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1/*
2 * linux/drivers/message/fusion/mptbase.c
3 * This is the Fusion MPT base driver which supports multiple
4 * (SCSI + LAN) specialized protocol drivers.
5 * For use with LSI PCI chip/adapter(s)
6 * running LSI Fusion MPT (Message Passing Technology) firmware.
7 *
8 * Copyright (c) 1999-2008 LSI Corporation
9 * (mailto:DL-MPTFusionLinux@lsi.com)
10 *
11 */
12/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
13/*
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; version 2 of the License.
17
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
22
23 NO WARRANTY
24 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
25 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
26 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
27 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
28 solely responsible for determining the appropriateness of using and
29 distributing the Program and assumes all risks associated with its
30 exercise of rights under this Agreement, including but not limited to
31 the risks and costs of program errors, damage to or loss of data,
32 programs or equipment, and unavailability or interruption of operations.
33
34 DISCLAIMER OF LIABILITY
35 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
36 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
38 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
39 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
40 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
41 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
42
43 You should have received a copy of the GNU General Public License
44 along with this program; if not, write to the Free Software
45 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
46*/
47/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
48
49#include <linux/kernel.h>
50#include <linux/module.h>
51#include <linux/errno.h>
52#include <linux/init.h>
53#include <linux/seq_file.h>
54#include <linux/slab.h>
55#include <linux/types.h>
56#include <linux/pci.h>
57#include <linux/kdev_t.h>
58#include <linux/blkdev.h>
59#include <linux/delay.h>
60#include <linux/interrupt.h> /* needed for in_interrupt() proto */
61#include <linux/dma-mapping.h>
62#include <asm/io.h>
63#ifdef CONFIG_MTRR
64#include <asm/mtrr.h>
65#endif
66#include <linux/kthread.h>
67#include <scsi/scsi_host.h>
68
69#include "mptbase.h"
70#include "lsi/mpi_log_fc.h"
71
72/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
73#define my_NAME "Fusion MPT base driver"
74#define my_VERSION MPT_LINUX_VERSION_COMMON
75#define MYNAM "mptbase"
76
77MODULE_AUTHOR(MODULEAUTHOR);
78MODULE_DESCRIPTION(my_NAME);
79MODULE_LICENSE("GPL");
80MODULE_VERSION(my_VERSION);
81
82/*
83 * cmd line parameters
84 */
85
86static int mpt_msi_enable_spi;
87module_param(mpt_msi_enable_spi, int, 0);
88MODULE_PARM_DESC(mpt_msi_enable_spi,
89 " Enable MSI Support for SPI controllers (default=0)");
90
91static int mpt_msi_enable_fc;
92module_param(mpt_msi_enable_fc, int, 0);
93MODULE_PARM_DESC(mpt_msi_enable_fc,
94 " Enable MSI Support for FC controllers (default=0)");
95
96static int mpt_msi_enable_sas;
97module_param(mpt_msi_enable_sas, int, 0);
98MODULE_PARM_DESC(mpt_msi_enable_sas,
99 " Enable MSI Support for SAS controllers (default=0)");
100
101static int mpt_channel_mapping;
102module_param(mpt_channel_mapping, int, 0);
103MODULE_PARM_DESC(mpt_channel_mapping, " Mapping id's to channels (default=0)");
104
105static int mpt_debug_level;
106static int mpt_set_debug_level(const char *val, struct kernel_param *kp);
107module_param_call(mpt_debug_level, mpt_set_debug_level, param_get_int,
108 &mpt_debug_level, 0600);
109MODULE_PARM_DESC(mpt_debug_level,
110 " debug level - refer to mptdebug.h - (default=0)");
111
112int mpt_fwfault_debug;
113EXPORT_SYMBOL(mpt_fwfault_debug);
114module_param(mpt_fwfault_debug, int, 0600);
115MODULE_PARM_DESC(mpt_fwfault_debug,
116 "Enable detection of Firmware fault and halt Firmware on fault - (default=0)");
117
118static char MptCallbacksName[MPT_MAX_PROTOCOL_DRIVERS]
119 [MPT_MAX_CALLBACKNAME_LEN+1];
120
121#ifdef MFCNT
122static int mfcounter = 0;
123#define PRINT_MF_COUNT 20000
124#endif
125
126/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
127/*
128 * Public data...
129 */
130
131#define WHOINIT_UNKNOWN 0xAA
132
133/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
134/*
135 * Private data...
136 */
137 /* Adapter link list */
138LIST_HEAD(ioc_list);
139 /* Callback lookup table */
140static MPT_CALLBACK MptCallbacks[MPT_MAX_PROTOCOL_DRIVERS];
141 /* Protocol driver class lookup table */
142static int MptDriverClass[MPT_MAX_PROTOCOL_DRIVERS];
143 /* Event handler lookup table */
144static MPT_EVHANDLER MptEvHandlers[MPT_MAX_PROTOCOL_DRIVERS];
145 /* Reset handler lookup table */
146static MPT_RESETHANDLER MptResetHandlers[MPT_MAX_PROTOCOL_DRIVERS];
147static struct mpt_pci_driver *MptDeviceDriverHandlers[MPT_MAX_PROTOCOL_DRIVERS];
148
149#ifdef CONFIG_PROC_FS
150static struct proc_dir_entry *mpt_proc_root_dir;
151#endif
152
153/*
154 * Driver Callback Index's
155 */
156static u8 mpt_base_index = MPT_MAX_PROTOCOL_DRIVERS;
157static u8 last_drv_idx;
158
159/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
160/*
161 * Forward protos...
162 */
163static irqreturn_t mpt_interrupt(int irq, void *bus_id);
164static int mptbase_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
165 MPT_FRAME_HDR *reply);
166static int mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes,
167 u32 *req, int replyBytes, u16 *u16reply, int maxwait,
168 int sleepFlag);
169static int mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag);
170static void mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev);
171static void mpt_adapter_disable(MPT_ADAPTER *ioc);
172static void mpt_adapter_dispose(MPT_ADAPTER *ioc);
173
174static void MptDisplayIocCapabilities(MPT_ADAPTER *ioc);
175static int MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag);
176static int GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason);
177static int GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag);
178static int SendIocInit(MPT_ADAPTER *ioc, int sleepFlag);
179static int SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag);
180static int mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag);
181static int mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag);
182static int mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag);
183static int KickStart(MPT_ADAPTER *ioc, int ignore, int sleepFlag);
184static int SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag);
185static int PrimeIocFifos(MPT_ADAPTER *ioc);
186static int WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
187static int WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
188static int WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
189static int GetLanConfigPages(MPT_ADAPTER *ioc);
190static int GetIoUnitPage2(MPT_ADAPTER *ioc);
191int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
192static int mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum);
193static int mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum);
194static void mpt_read_ioc_pg_1(MPT_ADAPTER *ioc);
195static void mpt_read_ioc_pg_4(MPT_ADAPTER *ioc);
196static void mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc);
197static int SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch,
198 int sleepFlag);
199static int SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp);
200static int mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag);
201static int mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init);
202
203#ifdef CONFIG_PROC_FS
204static const struct file_operations mpt_summary_proc_fops;
205static const struct file_operations mpt_version_proc_fops;
206static const struct file_operations mpt_iocinfo_proc_fops;
207#endif
208static void mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc);
209
210static int ProcessEventNotification(MPT_ADAPTER *ioc,
211 EventNotificationReply_t *evReply, int *evHandlers);
212static void mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf);
213static void mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info);
214static void mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info);
215static void mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info , u8 cb_idx);
216static int mpt_read_ioc_pg_3(MPT_ADAPTER *ioc);
217static void mpt_inactive_raid_list_free(MPT_ADAPTER *ioc);
218
219/* module entry point */
220static int __init fusion_init (void);
221static void __exit fusion_exit (void);
222
223#define CHIPREG_READ32(addr) readl_relaxed(addr)
224#define CHIPREG_READ32_dmasync(addr) readl(addr)
225#define CHIPREG_WRITE32(addr,val) writel(val, addr)
226#define CHIPREG_PIO_WRITE32(addr,val) outl(val, (unsigned long)addr)
227#define CHIPREG_PIO_READ32(addr) inl((unsigned long)addr)
228
229static void
230pci_disable_io_access(struct pci_dev *pdev)
231{
232 u16 command_reg;
233
234 pci_read_config_word(pdev, PCI_COMMAND, &command_reg);
235 command_reg &= ~1;
236 pci_write_config_word(pdev, PCI_COMMAND, command_reg);
237}
238
239static void
240pci_enable_io_access(struct pci_dev *pdev)
241{
242 u16 command_reg;
243
244 pci_read_config_word(pdev, PCI_COMMAND, &command_reg);
245 command_reg |= 1;
246 pci_write_config_word(pdev, PCI_COMMAND, command_reg);
247}
248
249static int mpt_set_debug_level(const char *val, struct kernel_param *kp)
250{
251 int ret = param_set_int(val, kp);
252 MPT_ADAPTER *ioc;
253
254 if (ret)
255 return ret;
256
257 list_for_each_entry(ioc, &ioc_list, list)
258 ioc->debug_level = mpt_debug_level;
259 return 0;
260}
261
262/**
263 * mpt_get_cb_idx - obtain cb_idx for registered driver
264 * @dclass: class driver enum
265 *
266 * Returns cb_idx, or zero means it wasn't found
267 **/
268static u8
269mpt_get_cb_idx(MPT_DRIVER_CLASS dclass)
270{
271 u8 cb_idx;
272
273 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--)
274 if (MptDriverClass[cb_idx] == dclass)
275 return cb_idx;
276 return 0;
277}
278
279/**
280 * mpt_is_discovery_complete - determine if discovery has completed
281 * @ioc: per adatper instance
282 *
283 * Returns 1 when discovery completed, else zero.
284 */
285static int
286mpt_is_discovery_complete(MPT_ADAPTER *ioc)
287{
288 ConfigExtendedPageHeader_t hdr;
289 CONFIGPARMS cfg;
290 SasIOUnitPage0_t *buffer;
291 dma_addr_t dma_handle;
292 int rc = 0;
293
294 memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t));
295 memset(&cfg, 0, sizeof(CONFIGPARMS));
296 hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION;
297 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
298 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
299 cfg.cfghdr.ehdr = &hdr;
300 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
301
302 if ((mpt_config(ioc, &cfg)))
303 goto out;
304 if (!hdr.ExtPageLength)
305 goto out;
306
307 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
308 &dma_handle);
309 if (!buffer)
310 goto out;
311
312 cfg.physAddr = dma_handle;
313 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
314
315 if ((mpt_config(ioc, &cfg)))
316 goto out_free_consistent;
317
318 if (!(buffer->PhyData[0].PortFlags &
319 MPI_SAS_IOUNIT0_PORT_FLAGS_DISCOVERY_IN_PROGRESS))
320 rc = 1;
321
322 out_free_consistent:
323 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
324 buffer, dma_handle);
325 out:
326 return rc;
327}
328
329
330/**
331 * mpt_remove_dead_ioc_func - kthread context to remove dead ioc
332 * @arg: input argument, used to derive ioc
333 *
334 * Return 0 if controller is removed from pci subsystem.
335 * Return -1 for other case.
336 */
337static int mpt_remove_dead_ioc_func(void *arg)
338{
339 MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg;
340 struct pci_dev *pdev;
341
342 if ((ioc == NULL))
343 return -1;
344
345 pdev = ioc->pcidev;
346 if ((pdev == NULL))
347 return -1;
348
349 pci_stop_and_remove_bus_device_locked(pdev);
350 return 0;
351}
352
353
354
355/**
356 * mpt_fault_reset_work - work performed on workq after ioc fault
357 * @work: input argument, used to derive ioc
358 *
359**/
360static void
361mpt_fault_reset_work(struct work_struct *work)
362{
363 MPT_ADAPTER *ioc =
364 container_of(work, MPT_ADAPTER, fault_reset_work.work);
365 u32 ioc_raw_state;
366 int rc;
367 unsigned long flags;
368 MPT_SCSI_HOST *hd;
369 struct task_struct *p;
370
371 if (ioc->ioc_reset_in_progress || !ioc->active)
372 goto out;
373
374
375 ioc_raw_state = mpt_GetIocState(ioc, 0);
376 if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_MASK) {
377 printk(MYIOC_s_INFO_FMT "%s: IOC is non-operational !!!!\n",
378 ioc->name, __func__);
379
380 /*
381 * Call mptscsih_flush_pending_cmds callback so that we
382 * flush all pending commands back to OS.
383 * This call is required to aovid deadlock at block layer.
384 * Dead IOC will fail to do diag reset,and this call is safe
385 * since dead ioc will never return any command back from HW.
386 */
387 hd = shost_priv(ioc->sh);
388 ioc->schedule_dead_ioc_flush_running_cmds(hd);
389
390 /*Remove the Dead Host */
391 p = kthread_run(mpt_remove_dead_ioc_func, ioc,
392 "mpt_dead_ioc_%d", ioc->id);
393 if (IS_ERR(p)) {
394 printk(MYIOC_s_ERR_FMT
395 "%s: Running mpt_dead_ioc thread failed !\n",
396 ioc->name, __func__);
397 } else {
398 printk(MYIOC_s_WARN_FMT
399 "%s: Running mpt_dead_ioc thread success !\n",
400 ioc->name, __func__);
401 }
402 return; /* don't rearm timer */
403 }
404
405 if ((ioc_raw_state & MPI_IOC_STATE_MASK)
406 == MPI_IOC_STATE_FAULT) {
407 printk(MYIOC_s_WARN_FMT "IOC is in FAULT state (%04xh)!!!\n",
408 ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK);
409 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
410 ioc->name, __func__);
411 rc = mpt_HardResetHandler(ioc, CAN_SLEEP);
412 printk(MYIOC_s_WARN_FMT "%s: HardReset: %s\n", ioc->name,
413 __func__, (rc == 0) ? "success" : "failed");
414 ioc_raw_state = mpt_GetIocState(ioc, 0);
415 if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT)
416 printk(MYIOC_s_WARN_FMT "IOC is in FAULT state after "
417 "reset (%04xh)\n", ioc->name, ioc_raw_state &
418 MPI_DOORBELL_DATA_MASK);
419 } else if (ioc->bus_type == SAS && ioc->sas_discovery_quiesce_io) {
420 if ((mpt_is_discovery_complete(ioc))) {
421 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "clearing "
422 "discovery_quiesce_io flag\n", ioc->name));
423 ioc->sas_discovery_quiesce_io = 0;
424 }
425 }
426
427 out:
428 /*
429 * Take turns polling alternate controller
430 */
431 if (ioc->alt_ioc)
432 ioc = ioc->alt_ioc;
433
434 /* rearm the timer */
435 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
436 if (ioc->reset_work_q)
437 queue_delayed_work(ioc->reset_work_q, &ioc->fault_reset_work,
438 msecs_to_jiffies(MPT_POLLING_INTERVAL));
439 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
440}
441
442
443/*
444 * Process turbo (context) reply...
445 */
446static void
447mpt_turbo_reply(MPT_ADAPTER *ioc, u32 pa)
448{
449 MPT_FRAME_HDR *mf = NULL;
450 MPT_FRAME_HDR *mr = NULL;
451 u16 req_idx = 0;
452 u8 cb_idx;
453
454 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got TURBO reply req_idx=%08x\n",
455 ioc->name, pa));
456
457 switch (pa >> MPI_CONTEXT_REPLY_TYPE_SHIFT) {
458 case MPI_CONTEXT_REPLY_TYPE_SCSI_INIT:
459 req_idx = pa & 0x0000FFFF;
460 cb_idx = (pa & 0x00FF0000) >> 16;
461 mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
462 break;
463 case MPI_CONTEXT_REPLY_TYPE_LAN:
464 cb_idx = mpt_get_cb_idx(MPTLAN_DRIVER);
465 /*
466 * Blind set of mf to NULL here was fatal
467 * after lan_reply says "freeme"
468 * Fix sort of combined with an optimization here;
469 * added explicit check for case where lan_reply
470 * was just returning 1 and doing nothing else.
471 * For this case skip the callback, but set up
472 * proper mf value first here:-)
473 */
474 if ((pa & 0x58000000) == 0x58000000) {
475 req_idx = pa & 0x0000FFFF;
476 mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
477 mpt_free_msg_frame(ioc, mf);
478 mb();
479 return;
480 break;
481 }
482 mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa);
483 break;
484 case MPI_CONTEXT_REPLY_TYPE_SCSI_TARGET:
485 cb_idx = mpt_get_cb_idx(MPTSTM_DRIVER);
486 mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa);
487 break;
488 default:
489 cb_idx = 0;
490 BUG();
491 }
492
493 /* Check for (valid) IO callback! */
494 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
495 MptCallbacks[cb_idx] == NULL) {
496 printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n",
497 __func__, ioc->name, cb_idx);
498 goto out;
499 }
500
501 if (MptCallbacks[cb_idx](ioc, mf, mr))
502 mpt_free_msg_frame(ioc, mf);
503 out:
504 mb();
505}
506
507static void
508mpt_reply(MPT_ADAPTER *ioc, u32 pa)
509{
510 MPT_FRAME_HDR *mf;
511 MPT_FRAME_HDR *mr;
512 u16 req_idx;
513 u8 cb_idx;
514 int freeme;
515
516 u32 reply_dma_low;
517 u16 ioc_stat;
518
519 /* non-TURBO reply! Hmmm, something may be up...
520 * Newest turbo reply mechanism; get address
521 * via left shift 1 (get rid of MPI_ADDRESS_REPLY_A_BIT)!
522 */
523
524 /* Map DMA address of reply header to cpu address.
525 * pa is 32 bits - but the dma address may be 32 or 64 bits
526 * get offset based only only the low addresses
527 */
528
529 reply_dma_low = (pa <<= 1);
530 mr = (MPT_FRAME_HDR *)((u8 *)ioc->reply_frames +
531 (reply_dma_low - ioc->reply_frames_low_dma));
532
533 req_idx = le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx);
534 cb_idx = mr->u.frame.hwhdr.msgctxu.fld.cb_idx;
535 mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
536
537 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got non-TURBO reply=%p req_idx=%x cb_idx=%x Function=%x\n",
538 ioc->name, mr, req_idx, cb_idx, mr->u.hdr.Function));
539 DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mr);
540
541 /* Check/log IOC log info
542 */
543 ioc_stat = le16_to_cpu(mr->u.reply.IOCStatus);
544 if (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
545 u32 log_info = le32_to_cpu(mr->u.reply.IOCLogInfo);
546 if (ioc->bus_type == FC)
547 mpt_fc_log_info(ioc, log_info);
548 else if (ioc->bus_type == SPI)
549 mpt_spi_log_info(ioc, log_info);
550 else if (ioc->bus_type == SAS)
551 mpt_sas_log_info(ioc, log_info, cb_idx);
552 }
553
554 if (ioc_stat & MPI_IOCSTATUS_MASK)
555 mpt_iocstatus_info(ioc, (u32)ioc_stat, mf);
556
557 /* Check for (valid) IO callback! */
558 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
559 MptCallbacks[cb_idx] == NULL) {
560 printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n",
561 __func__, ioc->name, cb_idx);
562 freeme = 0;
563 goto out;
564 }
565
566 freeme = MptCallbacks[cb_idx](ioc, mf, mr);
567
568 out:
569 /* Flush (non-TURBO) reply with a WRITE! */
570 CHIPREG_WRITE32(&ioc->chip->ReplyFifo, pa);
571
572 if (freeme)
573 mpt_free_msg_frame(ioc, mf);
574 mb();
575}
576
577/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
578/**
579 * mpt_interrupt - MPT adapter (IOC) specific interrupt handler.
580 * @irq: irq number (not used)
581 * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure
582 *
583 * This routine is registered via the request_irq() kernel API call,
584 * and handles all interrupts generated from a specific MPT adapter
585 * (also referred to as a IO Controller or IOC).
586 * This routine must clear the interrupt from the adapter and does
587 * so by reading the reply FIFO. Multiple replies may be processed
588 * per single call to this routine.
589 *
590 * This routine handles register-level access of the adapter but
591 * dispatches (calls) a protocol-specific callback routine to handle
592 * the protocol-specific details of the MPT request completion.
593 */
594static irqreturn_t
595mpt_interrupt(int irq, void *bus_id)
596{
597 MPT_ADAPTER *ioc = bus_id;
598 u32 pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo);
599
600 if (pa == 0xFFFFFFFF)
601 return IRQ_NONE;
602
603 /*
604 * Drain the reply FIFO!
605 */
606 do {
607 if (pa & MPI_ADDRESS_REPLY_A_BIT)
608 mpt_reply(ioc, pa);
609 else
610 mpt_turbo_reply(ioc, pa);
611 pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo);
612 } while (pa != 0xFFFFFFFF);
613
614 return IRQ_HANDLED;
615}
616
617/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
618/**
619 * mptbase_reply - MPT base driver's callback routine
620 * @ioc: Pointer to MPT_ADAPTER structure
621 * @req: Pointer to original MPT request frame
622 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
623 *
624 * MPT base driver's callback routine; all base driver
625 * "internal" request/reply processing is routed here.
626 * Currently used for EventNotification and EventAck handling.
627 *
628 * Returns 1 indicating original alloc'd request frame ptr
629 * should be freed, or 0 if it shouldn't.
630 */
631static int
632mptbase_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply)
633{
634 EventNotificationReply_t *pEventReply;
635 u8 event;
636 int evHandlers;
637 int freereq = 1;
638
639 switch (reply->u.hdr.Function) {
640 case MPI_FUNCTION_EVENT_NOTIFICATION:
641 pEventReply = (EventNotificationReply_t *)reply;
642 evHandlers = 0;
643 ProcessEventNotification(ioc, pEventReply, &evHandlers);
644 event = le32_to_cpu(pEventReply->Event) & 0xFF;
645 if (pEventReply->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY)
646 freereq = 0;
647 if (event != MPI_EVENT_EVENT_CHANGE)
648 break;
649 case MPI_FUNCTION_CONFIG:
650 case MPI_FUNCTION_SAS_IO_UNIT_CONTROL:
651 ioc->mptbase_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
652 if (reply) {
653 ioc->mptbase_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
654 memcpy(ioc->mptbase_cmds.reply, reply,
655 min(MPT_DEFAULT_FRAME_SIZE,
656 4 * reply->u.reply.MsgLength));
657 }
658 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) {
659 ioc->mptbase_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
660 complete(&ioc->mptbase_cmds.done);
661 } else
662 freereq = 0;
663 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_FREE_MF)
664 freereq = 1;
665 break;
666 case MPI_FUNCTION_EVENT_ACK:
667 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
668 "EventAck reply received\n", ioc->name));
669 break;
670 default:
671 printk(MYIOC_s_ERR_FMT
672 "Unexpected msg function (=%02Xh) reply received!\n",
673 ioc->name, reply->u.hdr.Function);
674 break;
675 }
676
677 /*
678 * Conditionally tell caller to free the original
679 * EventNotification/EventAck/unexpected request frame!
680 */
681 return freereq;
682}
683
684/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
685/**
686 * mpt_register - Register protocol-specific main callback handler.
687 * @cbfunc: callback function pointer
688 * @dclass: Protocol driver's class (%MPT_DRIVER_CLASS enum value)
689 * @func_name: call function's name
690 *
691 * This routine is called by a protocol-specific driver (SCSI host,
692 * LAN, SCSI target) to register its reply callback routine. Each
693 * protocol-specific driver must do this before it will be able to
694 * use any IOC resources, such as obtaining request frames.
695 *
696 * NOTES: The SCSI protocol driver currently calls this routine thrice
697 * in order to register separate callbacks; one for "normal" SCSI IO;
698 * one for MptScsiTaskMgmt requests; one for Scan/DV requests.
699 *
700 * Returns u8 valued "handle" in the range (and S.O.D. order)
701 * {N,...,7,6,5,...,1} if successful.
702 * A return value of MPT_MAX_PROTOCOL_DRIVERS (including zero!) should be
703 * considered an error by the caller.
704 */
705u8
706mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass, char *func_name)
707{
708 u8 cb_idx;
709 last_drv_idx = MPT_MAX_PROTOCOL_DRIVERS;
710
711 /*
712 * Search for empty callback slot in this order: {N,...,7,6,5,...,1}
713 * (slot/handle 0 is reserved!)
714 */
715 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
716 if (MptCallbacks[cb_idx] == NULL) {
717 MptCallbacks[cb_idx] = cbfunc;
718 MptDriverClass[cb_idx] = dclass;
719 MptEvHandlers[cb_idx] = NULL;
720 last_drv_idx = cb_idx;
721 strlcpy(MptCallbacksName[cb_idx], func_name,
722 MPT_MAX_CALLBACKNAME_LEN+1);
723 break;
724 }
725 }
726
727 return last_drv_idx;
728}
729
730/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
731/**
732 * mpt_deregister - Deregister a protocol drivers resources.
733 * @cb_idx: previously registered callback handle
734 *
735 * Each protocol-specific driver should call this routine when its
736 * module is unloaded.
737 */
738void
739mpt_deregister(u8 cb_idx)
740{
741 if (cb_idx && (cb_idx < MPT_MAX_PROTOCOL_DRIVERS)) {
742 MptCallbacks[cb_idx] = NULL;
743 MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER;
744 MptEvHandlers[cb_idx] = NULL;
745
746 last_drv_idx++;
747 }
748}
749
750/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
751/**
752 * mpt_event_register - Register protocol-specific event callback handler.
753 * @cb_idx: previously registered (via mpt_register) callback handle
754 * @ev_cbfunc: callback function
755 *
756 * This routine can be called by one or more protocol-specific drivers
757 * if/when they choose to be notified of MPT events.
758 *
759 * Returns 0 for success.
760 */
761int
762mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc)
763{
764 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
765 return -1;
766
767 MptEvHandlers[cb_idx] = ev_cbfunc;
768 return 0;
769}
770
771/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
772/**
773 * mpt_event_deregister - Deregister protocol-specific event callback handler
774 * @cb_idx: previously registered callback handle
775 *
776 * Each protocol-specific driver should call this routine
777 * when it does not (or can no longer) handle events,
778 * or when its module is unloaded.
779 */
780void
781mpt_event_deregister(u8 cb_idx)
782{
783 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
784 return;
785
786 MptEvHandlers[cb_idx] = NULL;
787}
788
789/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
790/**
791 * mpt_reset_register - Register protocol-specific IOC reset handler.
792 * @cb_idx: previously registered (via mpt_register) callback handle
793 * @reset_func: reset function
794 *
795 * This routine can be called by one or more protocol-specific drivers
796 * if/when they choose to be notified of IOC resets.
797 *
798 * Returns 0 for success.
799 */
800int
801mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func)
802{
803 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
804 return -1;
805
806 MptResetHandlers[cb_idx] = reset_func;
807 return 0;
808}
809
810/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
811/**
812 * mpt_reset_deregister - Deregister protocol-specific IOC reset handler.
813 * @cb_idx: previously registered callback handle
814 *
815 * Each protocol-specific driver should call this routine
816 * when it does not (or can no longer) handle IOC reset handling,
817 * or when its module is unloaded.
818 */
819void
820mpt_reset_deregister(u8 cb_idx)
821{
822 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
823 return;
824
825 MptResetHandlers[cb_idx] = NULL;
826}
827
828/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
829/**
830 * mpt_device_driver_register - Register device driver hooks
831 * @dd_cbfunc: driver callbacks struct
832 * @cb_idx: MPT protocol driver index
833 */
834int
835mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx)
836{
837 MPT_ADAPTER *ioc;
838 const struct pci_device_id *id;
839
840 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
841 return -EINVAL;
842
843 MptDeviceDriverHandlers[cb_idx] = dd_cbfunc;
844
845 /* call per pci device probe entry point */
846 list_for_each_entry(ioc, &ioc_list, list) {
847 id = ioc->pcidev->driver ?
848 ioc->pcidev->driver->id_table : NULL;
849 if (dd_cbfunc->probe)
850 dd_cbfunc->probe(ioc->pcidev, id);
851 }
852
853 return 0;
854}
855
856/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
857/**
858 * mpt_device_driver_deregister - DeRegister device driver hooks
859 * @cb_idx: MPT protocol driver index
860 */
861void
862mpt_device_driver_deregister(u8 cb_idx)
863{
864 struct mpt_pci_driver *dd_cbfunc;
865 MPT_ADAPTER *ioc;
866
867 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
868 return;
869
870 dd_cbfunc = MptDeviceDriverHandlers[cb_idx];
871
872 list_for_each_entry(ioc, &ioc_list, list) {
873 if (dd_cbfunc->remove)
874 dd_cbfunc->remove(ioc->pcidev);
875 }
876
877 MptDeviceDriverHandlers[cb_idx] = NULL;
878}
879
880
881/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
882/**
883 * mpt_get_msg_frame - Obtain an MPT request frame from the pool
884 * @cb_idx: Handle of registered MPT protocol driver
885 * @ioc: Pointer to MPT adapter structure
886 *
887 * Obtain an MPT request frame from the pool (of 1024) that are
888 * allocated per MPT adapter.
889 *
890 * Returns pointer to a MPT request frame or %NULL if none are available
891 * or IOC is not active.
892 */
893MPT_FRAME_HDR*
894mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc)
895{
896 MPT_FRAME_HDR *mf;
897 unsigned long flags;
898 u16 req_idx; /* Request index */
899
900 /* validate handle and ioc identifier */
901
902#ifdef MFCNT
903 if (!ioc->active)
904 printk(MYIOC_s_WARN_FMT "IOC Not Active! mpt_get_msg_frame "
905 "returning NULL!\n", ioc->name);
906#endif
907
908 /* If interrupts are not attached, do not return a request frame */
909 if (!ioc->active)
910 return NULL;
911
912 spin_lock_irqsave(&ioc->FreeQlock, flags);
913 if (!list_empty(&ioc->FreeQ)) {
914 int req_offset;
915
916 mf = list_entry(ioc->FreeQ.next, MPT_FRAME_HDR,
917 u.frame.linkage.list);
918 list_del(&mf->u.frame.linkage.list);
919 mf->u.frame.linkage.arg1 = 0;
920 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; /* byte */
921 req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
922 /* u16! */
923 req_idx = req_offset / ioc->req_sz;
924 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
925 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
926 /* Default, will be changed if necessary in SG generation */
927 ioc->RequestNB[req_idx] = ioc->NB_for_64_byte_frame;
928#ifdef MFCNT
929 ioc->mfcnt++;
930#endif
931 }
932 else
933 mf = NULL;
934 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
935
936#ifdef MFCNT
937 if (mf == NULL)
938 printk(MYIOC_s_WARN_FMT "IOC Active. No free Msg Frames! "
939 "Count 0x%x Max 0x%x\n", ioc->name, ioc->mfcnt,
940 ioc->req_depth);
941 mfcounter++;
942 if (mfcounter == PRINT_MF_COUNT)
943 printk(MYIOC_s_INFO_FMT "MF Count 0x%x Max 0x%x \n", ioc->name,
944 ioc->mfcnt, ioc->req_depth);
945#endif
946
947 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_get_msg_frame(%d,%d), got mf=%p\n",
948 ioc->name, cb_idx, ioc->id, mf));
949 return mf;
950}
951
952/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
953/**
954 * mpt_put_msg_frame - Send a protocol-specific MPT request frame to an IOC
955 * @cb_idx: Handle of registered MPT protocol driver
956 * @ioc: Pointer to MPT adapter structure
957 * @mf: Pointer to MPT request frame
958 *
959 * This routine posts an MPT request frame to the request post FIFO of a
960 * specific MPT adapter.
961 */
962void
963mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
964{
965 u32 mf_dma_addr;
966 int req_offset;
967 u16 req_idx; /* Request index */
968
969 /* ensure values are reset properly! */
970 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; /* byte */
971 req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
972 /* u16! */
973 req_idx = req_offset / ioc->req_sz;
974 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
975 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
976
977 DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf);
978
979 mf_dma_addr = (ioc->req_frames_low_dma + req_offset) | ioc->RequestNB[req_idx];
980 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d "
981 "RequestNB=%x\n", ioc->name, mf_dma_addr, req_idx,
982 ioc->RequestNB[req_idx]));
983 CHIPREG_WRITE32(&ioc->chip->RequestFifo, mf_dma_addr);
984}
985
986/**
987 * mpt_put_msg_frame_hi_pri - Send a hi-pri protocol-specific MPT request frame
988 * @cb_idx: Handle of registered MPT protocol driver
989 * @ioc: Pointer to MPT adapter structure
990 * @mf: Pointer to MPT request frame
991 *
992 * Send a protocol-specific MPT request frame to an IOC using
993 * hi-priority request queue.
994 *
995 * This routine posts an MPT request frame to the request post FIFO of a
996 * specific MPT adapter.
997 **/
998void
999mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
1000{
1001 u32 mf_dma_addr;
1002 int req_offset;
1003 u16 req_idx; /* Request index */
1004
1005 /* ensure values are reset properly! */
1006 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;
1007 req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
1008 req_idx = req_offset / ioc->req_sz;
1009 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
1010 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
1011
1012 DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf);
1013
1014 mf_dma_addr = (ioc->req_frames_low_dma + req_offset);
1015 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d\n",
1016 ioc->name, mf_dma_addr, req_idx));
1017 CHIPREG_WRITE32(&ioc->chip->RequestHiPriFifo, mf_dma_addr);
1018}
1019
1020/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1021/**
1022 * mpt_free_msg_frame - Place MPT request frame back on FreeQ.
1023 * @ioc: Pointer to MPT adapter structure
1024 * @mf: Pointer to MPT request frame
1025 *
1026 * This routine places a MPT request frame back on the MPT adapter's
1027 * FreeQ.
1028 */
1029void
1030mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
1031{
1032 unsigned long flags;
1033
1034 /* Put Request back on FreeQ! */
1035 spin_lock_irqsave(&ioc->FreeQlock, flags);
1036 if (cpu_to_le32(mf->u.frame.linkage.arg1) == 0xdeadbeaf)
1037 goto out;
1038 /* signature to know if this mf is freed */
1039 mf->u.frame.linkage.arg1 = cpu_to_le32(0xdeadbeaf);
1040 list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeQ);
1041#ifdef MFCNT
1042 ioc->mfcnt--;
1043#endif
1044 out:
1045 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1046}
1047
1048/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1049/**
1050 * mpt_add_sge - Place a simple 32 bit SGE at address pAddr.
1051 * @pAddr: virtual address for SGE
1052 * @flagslength: SGE flags and data transfer length
1053 * @dma_addr: Physical address
1054 *
1055 * This routine places a MPT request frame back on the MPT adapter's
1056 * FreeQ.
1057 */
1058static void
1059mpt_add_sge(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
1060{
1061 SGESimple32_t *pSge = (SGESimple32_t *) pAddr;
1062 pSge->FlagsLength = cpu_to_le32(flagslength);
1063 pSge->Address = cpu_to_le32(dma_addr);
1064}
1065
1066/**
1067 * mpt_add_sge_64bit - Place a simple 64 bit SGE at address pAddr.
1068 * @pAddr: virtual address for SGE
1069 * @flagslength: SGE flags and data transfer length
1070 * @dma_addr: Physical address
1071 *
1072 * This routine places a MPT request frame back on the MPT adapter's
1073 * FreeQ.
1074 **/
1075static void
1076mpt_add_sge_64bit(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
1077{
1078 SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
1079 pSge->Address.Low = cpu_to_le32
1080 (lower_32_bits(dma_addr));
1081 pSge->Address.High = cpu_to_le32
1082 (upper_32_bits(dma_addr));
1083 pSge->FlagsLength = cpu_to_le32
1084 ((flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING));
1085}
1086
1087/**
1088 * mpt_add_sge_64bit_1078 - Place a simple 64 bit SGE at address pAddr (1078 workaround).
1089 * @pAddr: virtual address for SGE
1090 * @flagslength: SGE flags and data transfer length
1091 * @dma_addr: Physical address
1092 *
1093 * This routine places a MPT request frame back on the MPT adapter's
1094 * FreeQ.
1095 **/
1096static void
1097mpt_add_sge_64bit_1078(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
1098{
1099 SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
1100 u32 tmp;
1101
1102 pSge->Address.Low = cpu_to_le32
1103 (lower_32_bits(dma_addr));
1104 tmp = (u32)(upper_32_bits(dma_addr));
1105
1106 /*
1107 * 1078 errata workaround for the 36GB limitation
1108 */
1109 if ((((u64)dma_addr + MPI_SGE_LENGTH(flagslength)) >> 32) == 9) {
1110 flagslength |=
1111 MPI_SGE_SET_FLAGS(MPI_SGE_FLAGS_LOCAL_ADDRESS);
1112 tmp |= (1<<31);
1113 if (mpt_debug_level & MPT_DEBUG_36GB_MEM)
1114 printk(KERN_DEBUG "1078 P0M2 addressing for "
1115 "addr = 0x%llx len = %d\n",
1116 (unsigned long long)dma_addr,
1117 MPI_SGE_LENGTH(flagslength));
1118 }
1119
1120 pSge->Address.High = cpu_to_le32(tmp);
1121 pSge->FlagsLength = cpu_to_le32(
1122 (flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING));
1123}
1124
1125/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1126/**
1127 * mpt_add_chain - Place a 32 bit chain SGE at address pAddr.
1128 * @pAddr: virtual address for SGE
1129 * @next: nextChainOffset value (u32's)
1130 * @length: length of next SGL segment
1131 * @dma_addr: Physical address
1132 *
1133 */
1134static void
1135mpt_add_chain(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr)
1136{
1137 SGEChain32_t *pChain = (SGEChain32_t *) pAddr;
1138 pChain->Length = cpu_to_le16(length);
1139 pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT;
1140 pChain->NextChainOffset = next;
1141 pChain->Address = cpu_to_le32(dma_addr);
1142}
1143
1144/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1145/**
1146 * mpt_add_chain_64bit - Place a 64 bit chain SGE at address pAddr.
1147 * @pAddr: virtual address for SGE
1148 * @next: nextChainOffset value (u32's)
1149 * @length: length of next SGL segment
1150 * @dma_addr: Physical address
1151 *
1152 */
1153static void
1154mpt_add_chain_64bit(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr)
1155{
1156 SGEChain64_t *pChain = (SGEChain64_t *) pAddr;
1157 u32 tmp = dma_addr & 0xFFFFFFFF;
1158
1159 pChain->Length = cpu_to_le16(length);
1160 pChain->Flags = (MPI_SGE_FLAGS_CHAIN_ELEMENT |
1161 MPI_SGE_FLAGS_64_BIT_ADDRESSING);
1162
1163 pChain->NextChainOffset = next;
1164
1165 pChain->Address.Low = cpu_to_le32(tmp);
1166 tmp = (u32)(upper_32_bits(dma_addr));
1167 pChain->Address.High = cpu_to_le32(tmp);
1168}
1169
1170/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1171/**
1172 * mpt_send_handshake_request - Send MPT request via doorbell handshake method.
1173 * @cb_idx: Handle of registered MPT protocol driver
1174 * @ioc: Pointer to MPT adapter structure
1175 * @reqBytes: Size of the request in bytes
1176 * @req: Pointer to MPT request frame
1177 * @sleepFlag: Use schedule if CAN_SLEEP else use udelay.
1178 *
1179 * This routine is used exclusively to send MptScsiTaskMgmt
1180 * requests since they are required to be sent via doorbell handshake.
1181 *
1182 * NOTE: It is the callers responsibility to byte-swap fields in the
1183 * request which are greater than 1 byte in size.
1184 *
1185 * Returns 0 for success, non-zero for failure.
1186 */
1187int
1188mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag)
1189{
1190 int r = 0;
1191 u8 *req_as_bytes;
1192 int ii;
1193
1194 /* State is known to be good upon entering
1195 * this function so issue the bus reset
1196 * request.
1197 */
1198
1199 /*
1200 * Emulate what mpt_put_msg_frame() does /wrt to sanity
1201 * setting cb_idx/req_idx. But ONLY if this request
1202 * is in proper (pre-alloc'd) request buffer range...
1203 */
1204 ii = MFPTR_2_MPT_INDEX(ioc,(MPT_FRAME_HDR*)req);
1205 if (reqBytes >= 12 && ii >= 0 && ii < ioc->req_depth) {
1206 MPT_FRAME_HDR *mf = (MPT_FRAME_HDR*)req;
1207 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(ii);
1208 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;
1209 }
1210
1211 /* Make sure there are no doorbells */
1212 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1213
1214 CHIPREG_WRITE32(&ioc->chip->Doorbell,
1215 ((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) |
1216 ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT)));
1217
1218 /* Wait for IOC doorbell int */
1219 if ((ii = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) {
1220 return ii;
1221 }
1222
1223 /* Read doorbell and check for active bit */
1224 if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE))
1225 return -5;
1226
1227 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_send_handshake_request start, WaitCnt=%d\n",
1228 ioc->name, ii));
1229
1230 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1231
1232 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
1233 return -2;
1234 }
1235
1236 /* Send request via doorbell handshake */
1237 req_as_bytes = (u8 *) req;
1238 for (ii = 0; ii < reqBytes/4; ii++) {
1239 u32 word;
1240
1241 word = ((req_as_bytes[(ii*4) + 0] << 0) |
1242 (req_as_bytes[(ii*4) + 1] << 8) |
1243 (req_as_bytes[(ii*4) + 2] << 16) |
1244 (req_as_bytes[(ii*4) + 3] << 24));
1245 CHIPREG_WRITE32(&ioc->chip->Doorbell, word);
1246 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
1247 r = -3;
1248 break;
1249 }
1250 }
1251
1252 if (r >= 0 && WaitForDoorbellInt(ioc, 10, sleepFlag) >= 0)
1253 r = 0;
1254 else
1255 r = -4;
1256
1257 /* Make sure there are no doorbells */
1258 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1259
1260 return r;
1261}
1262
1263/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1264/**
1265 * mpt_host_page_access_control - control the IOC's Host Page Buffer access
1266 * @ioc: Pointer to MPT adapter structure
1267 * @access_control_value: define bits below
1268 * @sleepFlag: Specifies whether the process can sleep
1269 *
1270 * Provides mechanism for the host driver to control the IOC's
1271 * Host Page Buffer access.
1272 *
1273 * Access Control Value - bits[15:12]
1274 * 0h Reserved
1275 * 1h Enable Access { MPI_DB_HPBAC_ENABLE_ACCESS }
1276 * 2h Disable Access { MPI_DB_HPBAC_DISABLE_ACCESS }
1277 * 3h Free Buffer { MPI_DB_HPBAC_FREE_BUFFER }
1278 *
1279 * Returns 0 for success, non-zero for failure.
1280 */
1281
1282static int
1283mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag)
1284{
1285 int r = 0;
1286
1287 /* return if in use */
1288 if (CHIPREG_READ32(&ioc->chip->Doorbell)
1289 & MPI_DOORBELL_ACTIVE)
1290 return -1;
1291
1292 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1293
1294 CHIPREG_WRITE32(&ioc->chip->Doorbell,
1295 ((MPI_FUNCTION_HOST_PAGEBUF_ACCESS_CONTROL
1296 <<MPI_DOORBELL_FUNCTION_SHIFT) |
1297 (access_control_value<<12)));
1298
1299 /* Wait for IOC to clear Doorbell Status bit */
1300 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
1301 return -2;
1302 }else
1303 return 0;
1304}
1305
1306/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1307/**
1308 * mpt_host_page_alloc - allocate system memory for the fw
1309 * @ioc: Pointer to pointer to IOC adapter
1310 * @ioc_init: Pointer to ioc init config page
1311 *
1312 * If we already allocated memory in past, then resend the same pointer.
1313 * Returns 0 for success, non-zero for failure.
1314 */
1315static int
1316mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init)
1317{
1318 char *psge;
1319 int flags_length;
1320 u32 host_page_buffer_sz=0;
1321
1322 if(!ioc->HostPageBuffer) {
1323
1324 host_page_buffer_sz =
1325 le32_to_cpu(ioc->facts.HostPageBufferSGE.FlagsLength) & 0xFFFFFF;
1326
1327 if(!host_page_buffer_sz)
1328 return 0; /* fw doesn't need any host buffers */
1329
1330 /* spin till we get enough memory */
1331 while(host_page_buffer_sz > 0) {
1332
1333 if((ioc->HostPageBuffer = pci_alloc_consistent(
1334 ioc->pcidev,
1335 host_page_buffer_sz,
1336 &ioc->HostPageBuffer_dma)) != NULL) {
1337
1338 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1339 "host_page_buffer @ %p, dma @ %x, sz=%d bytes\n",
1340 ioc->name, ioc->HostPageBuffer,
1341 (u32)ioc->HostPageBuffer_dma,
1342 host_page_buffer_sz));
1343 ioc->alloc_total += host_page_buffer_sz;
1344 ioc->HostPageBuffer_sz = host_page_buffer_sz;
1345 break;
1346 }
1347
1348 host_page_buffer_sz -= (4*1024);
1349 }
1350 }
1351
1352 if(!ioc->HostPageBuffer) {
1353 printk(MYIOC_s_ERR_FMT
1354 "Failed to alloc memory for host_page_buffer!\n",
1355 ioc->name);
1356 return -999;
1357 }
1358
1359 psge = (char *)&ioc_init->HostPageBufferSGE;
1360 flags_length = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
1361 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
1362 MPI_SGE_FLAGS_HOST_TO_IOC |
1363 MPI_SGE_FLAGS_END_OF_BUFFER;
1364 flags_length = flags_length << MPI_SGE_FLAGS_SHIFT;
1365 flags_length |= ioc->HostPageBuffer_sz;
1366 ioc->add_sge(psge, flags_length, ioc->HostPageBuffer_dma);
1367 ioc->facts.HostPageBufferSGE = ioc_init->HostPageBufferSGE;
1368
1369return 0;
1370}
1371
1372/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1373/**
1374 * mpt_verify_adapter - Given IOC identifier, set pointer to its adapter structure.
1375 * @iocid: IOC unique identifier (integer)
1376 * @iocpp: Pointer to pointer to IOC adapter
1377 *
1378 * Given a unique IOC identifier, set pointer to the associated MPT
1379 * adapter structure.
1380 *
1381 * Returns iocid and sets iocpp if iocid is found.
1382 * Returns -1 if iocid is not found.
1383 */
1384int
1385mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp)
1386{
1387 MPT_ADAPTER *ioc;
1388
1389 list_for_each_entry(ioc,&ioc_list,list) {
1390 if (ioc->id == iocid) {
1391 *iocpp =ioc;
1392 return iocid;
1393 }
1394 }
1395
1396 *iocpp = NULL;
1397 return -1;
1398}
1399
1400/**
1401 * mpt_get_product_name - returns product string
1402 * @vendor: pci vendor id
1403 * @device: pci device id
1404 * @revision: pci revision id
1405 * @prod_name: string returned
1406 *
1407 * Returns product string displayed when driver loads,
1408 * in /proc/mpt/summary and /sysfs/class/scsi_host/host<X>/version_product
1409 *
1410 **/
1411static void
1412mpt_get_product_name(u16 vendor, u16 device, u8 revision, char *prod_name)
1413{
1414 char *product_str = NULL;
1415
1416 if (vendor == PCI_VENDOR_ID_BROCADE) {
1417 switch (device)
1418 {
1419 case MPI_MANUFACTPAGE_DEVICEID_FC949E:
1420 switch (revision)
1421 {
1422 case 0x00:
1423 product_str = "BRE040 A0";
1424 break;
1425 case 0x01:
1426 product_str = "BRE040 A1";
1427 break;
1428 default:
1429 product_str = "BRE040";
1430 break;
1431 }
1432 break;
1433 }
1434 goto out;
1435 }
1436
1437 switch (device)
1438 {
1439 case MPI_MANUFACTPAGE_DEVICEID_FC909:
1440 product_str = "LSIFC909 B1";
1441 break;
1442 case MPI_MANUFACTPAGE_DEVICEID_FC919:
1443 product_str = "LSIFC919 B0";
1444 break;
1445 case MPI_MANUFACTPAGE_DEVICEID_FC929:
1446 product_str = "LSIFC929 B0";
1447 break;
1448 case MPI_MANUFACTPAGE_DEVICEID_FC919X:
1449 if (revision < 0x80)
1450 product_str = "LSIFC919X A0";
1451 else
1452 product_str = "LSIFC919XL A1";
1453 break;
1454 case MPI_MANUFACTPAGE_DEVICEID_FC929X:
1455 if (revision < 0x80)
1456 product_str = "LSIFC929X A0";
1457 else
1458 product_str = "LSIFC929XL A1";
1459 break;
1460 case MPI_MANUFACTPAGE_DEVICEID_FC939X:
1461 product_str = "LSIFC939X A1";
1462 break;
1463 case MPI_MANUFACTPAGE_DEVICEID_FC949X:
1464 product_str = "LSIFC949X A1";
1465 break;
1466 case MPI_MANUFACTPAGE_DEVICEID_FC949E:
1467 switch (revision)
1468 {
1469 case 0x00:
1470 product_str = "LSIFC949E A0";
1471 break;
1472 case 0x01:
1473 product_str = "LSIFC949E A1";
1474 break;
1475 default:
1476 product_str = "LSIFC949E";
1477 break;
1478 }
1479 break;
1480 case MPI_MANUFACTPAGE_DEVID_53C1030:
1481 switch (revision)
1482 {
1483 case 0x00:
1484 product_str = "LSI53C1030 A0";
1485 break;
1486 case 0x01:
1487 product_str = "LSI53C1030 B0";
1488 break;
1489 case 0x03:
1490 product_str = "LSI53C1030 B1";
1491 break;
1492 case 0x07:
1493 product_str = "LSI53C1030 B2";
1494 break;
1495 case 0x08:
1496 product_str = "LSI53C1030 C0";
1497 break;
1498 case 0x80:
1499 product_str = "LSI53C1030T A0";
1500 break;
1501 case 0x83:
1502 product_str = "LSI53C1030T A2";
1503 break;
1504 case 0x87:
1505 product_str = "LSI53C1030T A3";
1506 break;
1507 case 0xc1:
1508 product_str = "LSI53C1020A A1";
1509 break;
1510 default:
1511 product_str = "LSI53C1030";
1512 break;
1513 }
1514 break;
1515 case MPI_MANUFACTPAGE_DEVID_1030_53C1035:
1516 switch (revision)
1517 {
1518 case 0x03:
1519 product_str = "LSI53C1035 A2";
1520 break;
1521 case 0x04:
1522 product_str = "LSI53C1035 B0";
1523 break;
1524 default:
1525 product_str = "LSI53C1035";
1526 break;
1527 }
1528 break;
1529 case MPI_MANUFACTPAGE_DEVID_SAS1064:
1530 switch (revision)
1531 {
1532 case 0x00:
1533 product_str = "LSISAS1064 A1";
1534 break;
1535 case 0x01:
1536 product_str = "LSISAS1064 A2";
1537 break;
1538 case 0x02:
1539 product_str = "LSISAS1064 A3";
1540 break;
1541 case 0x03:
1542 product_str = "LSISAS1064 A4";
1543 break;
1544 default:
1545 product_str = "LSISAS1064";
1546 break;
1547 }
1548 break;
1549 case MPI_MANUFACTPAGE_DEVID_SAS1064E:
1550 switch (revision)
1551 {
1552 case 0x00:
1553 product_str = "LSISAS1064E A0";
1554 break;
1555 case 0x01:
1556 product_str = "LSISAS1064E B0";
1557 break;
1558 case 0x02:
1559 product_str = "LSISAS1064E B1";
1560 break;
1561 case 0x04:
1562 product_str = "LSISAS1064E B2";
1563 break;
1564 case 0x08:
1565 product_str = "LSISAS1064E B3";
1566 break;
1567 default:
1568 product_str = "LSISAS1064E";
1569 break;
1570 }
1571 break;
1572 case MPI_MANUFACTPAGE_DEVID_SAS1068:
1573 switch (revision)
1574 {
1575 case 0x00:
1576 product_str = "LSISAS1068 A0";
1577 break;
1578 case 0x01:
1579 product_str = "LSISAS1068 B0";
1580 break;
1581 case 0x02:
1582 product_str = "LSISAS1068 B1";
1583 break;
1584 default:
1585 product_str = "LSISAS1068";
1586 break;
1587 }
1588 break;
1589 case MPI_MANUFACTPAGE_DEVID_SAS1068E:
1590 switch (revision)
1591 {
1592 case 0x00:
1593 product_str = "LSISAS1068E A0";
1594 break;
1595 case 0x01:
1596 product_str = "LSISAS1068E B0";
1597 break;
1598 case 0x02:
1599 product_str = "LSISAS1068E B1";
1600 break;
1601 case 0x04:
1602 product_str = "LSISAS1068E B2";
1603 break;
1604 case 0x08:
1605 product_str = "LSISAS1068E B3";
1606 break;
1607 default:
1608 product_str = "LSISAS1068E";
1609 break;
1610 }
1611 break;
1612 case MPI_MANUFACTPAGE_DEVID_SAS1078:
1613 switch (revision)
1614 {
1615 case 0x00:
1616 product_str = "LSISAS1078 A0";
1617 break;
1618 case 0x01:
1619 product_str = "LSISAS1078 B0";
1620 break;
1621 case 0x02:
1622 product_str = "LSISAS1078 C0";
1623 break;
1624 case 0x03:
1625 product_str = "LSISAS1078 C1";
1626 break;
1627 case 0x04:
1628 product_str = "LSISAS1078 C2";
1629 break;
1630 default:
1631 product_str = "LSISAS1078";
1632 break;
1633 }
1634 break;
1635 }
1636
1637 out:
1638 if (product_str)
1639 sprintf(prod_name, "%s", product_str);
1640}
1641
1642/**
1643 * mpt_mapresources - map in memory mapped io
1644 * @ioc: Pointer to pointer to IOC adapter
1645 *
1646 **/
1647static int
1648mpt_mapresources(MPT_ADAPTER *ioc)
1649{
1650 u8 __iomem *mem;
1651 int ii;
1652 resource_size_t mem_phys;
1653 unsigned long port;
1654 u32 msize;
1655 u32 psize;
1656 int r = -ENODEV;
1657 struct pci_dev *pdev;
1658
1659 pdev = ioc->pcidev;
1660 ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
1661 if (pci_enable_device_mem(pdev)) {
1662 printk(MYIOC_s_ERR_FMT "pci_enable_device_mem() "
1663 "failed\n", ioc->name);
1664 return r;
1665 }
1666 if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) {
1667 printk(MYIOC_s_ERR_FMT "pci_request_selected_regions() with "
1668 "MEM failed\n", ioc->name);
1669 goto out_pci_disable_device;
1670 }
1671
1672 if (sizeof(dma_addr_t) > 4) {
1673 const uint64_t required_mask = dma_get_required_mask
1674 (&pdev->dev);
1675 if (required_mask > DMA_BIT_MASK(32)
1676 && !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))
1677 && !pci_set_consistent_dma_mask(pdev,
1678 DMA_BIT_MASK(64))) {
1679 ioc->dma_mask = DMA_BIT_MASK(64);
1680 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
1681 ": 64 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
1682 ioc->name));
1683 } else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
1684 && !pci_set_consistent_dma_mask(pdev,
1685 DMA_BIT_MASK(32))) {
1686 ioc->dma_mask = DMA_BIT_MASK(32);
1687 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
1688 ": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
1689 ioc->name));
1690 } else {
1691 printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n",
1692 ioc->name, pci_name(pdev));
1693 goto out_pci_release_region;
1694 }
1695 } else {
1696 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
1697 && !pci_set_consistent_dma_mask(pdev,
1698 DMA_BIT_MASK(32))) {
1699 ioc->dma_mask = DMA_BIT_MASK(32);
1700 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
1701 ": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
1702 ioc->name));
1703 } else {
1704 printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n",
1705 ioc->name, pci_name(pdev));
1706 goto out_pci_release_region;
1707 }
1708 }
1709
1710 mem_phys = msize = 0;
1711 port = psize = 0;
1712 for (ii = 0; ii < DEVICE_COUNT_RESOURCE; ii++) {
1713 if (pci_resource_flags(pdev, ii) & PCI_BASE_ADDRESS_SPACE_IO) {
1714 if (psize)
1715 continue;
1716 /* Get I/O space! */
1717 port = pci_resource_start(pdev, ii);
1718 psize = pci_resource_len(pdev, ii);
1719 } else {
1720 if (msize)
1721 continue;
1722 /* Get memmap */
1723 mem_phys = pci_resource_start(pdev, ii);
1724 msize = pci_resource_len(pdev, ii);
1725 }
1726 }
1727 ioc->mem_size = msize;
1728
1729 mem = NULL;
1730 /* Get logical ptr for PciMem0 space */
1731 /*mem = ioremap(mem_phys, msize);*/
1732 mem = ioremap(mem_phys, msize);
1733 if (mem == NULL) {
1734 printk(MYIOC_s_ERR_FMT ": ERROR - Unable to map adapter"
1735 " memory!\n", ioc->name);
1736 r = -EINVAL;
1737 goto out_pci_release_region;
1738 }
1739 ioc->memmap = mem;
1740 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %llx\n",
1741 ioc->name, mem, (unsigned long long)mem_phys));
1742
1743 ioc->mem_phys = mem_phys;
1744 ioc->chip = (SYSIF_REGS __iomem *)mem;
1745
1746 /* Save Port IO values in case we need to do downloadboot */
1747 ioc->pio_mem_phys = port;
1748 ioc->pio_chip = (SYSIF_REGS __iomem *)port;
1749
1750 return 0;
1751
1752out_pci_release_region:
1753 pci_release_selected_regions(pdev, ioc->bars);
1754out_pci_disable_device:
1755 pci_disable_device(pdev);
1756 return r;
1757}
1758
1759/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1760/**
1761 * mpt_attach - Install a PCI intelligent MPT adapter.
1762 * @pdev: Pointer to pci_dev structure
1763 * @id: PCI device ID information
1764 *
1765 * This routine performs all the steps necessary to bring the IOC of
1766 * a MPT adapter to a OPERATIONAL state. This includes registering
1767 * memory regions, registering the interrupt, and allocating request
1768 * and reply memory pools.
1769 *
1770 * This routine also pre-fetches the LAN MAC address of a Fibre Channel
1771 * MPT adapter.
1772 *
1773 * Returns 0 for success, non-zero for failure.
1774 *
1775 * TODO: Add support for polled controllers
1776 */
1777int
1778mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
1779{
1780 MPT_ADAPTER *ioc;
1781 u8 cb_idx;
1782 int r = -ENODEV;
1783 u8 pcixcmd;
1784 static int mpt_ids = 0;
1785#ifdef CONFIG_PROC_FS
1786 struct proc_dir_entry *dent;
1787#endif
1788
1789 ioc = kzalloc(sizeof(MPT_ADAPTER), GFP_ATOMIC);
1790 if (ioc == NULL) {
1791 printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n");
1792 return -ENOMEM;
1793 }
1794
1795 ioc->id = mpt_ids++;
1796 sprintf(ioc->name, "ioc%d", ioc->id);
1797 dinitprintk(ioc, printk(KERN_WARNING MYNAM ": mpt_adapter_install\n"));
1798
1799 /*
1800 * set initial debug level
1801 * (refer to mptdebug.h)
1802 *
1803 */
1804 ioc->debug_level = mpt_debug_level;
1805 if (mpt_debug_level)
1806 printk(KERN_INFO "mpt_debug_level=%xh\n", mpt_debug_level);
1807
1808 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": mpt_adapter_install\n", ioc->name));
1809
1810 ioc->pcidev = pdev;
1811 if (mpt_mapresources(ioc)) {
1812 kfree(ioc);
1813 return r;
1814 }
1815
1816 /*
1817 * Setting up proper handlers for scatter gather handling
1818 */
1819 if (ioc->dma_mask == DMA_BIT_MASK(64)) {
1820 if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078)
1821 ioc->add_sge = &mpt_add_sge_64bit_1078;
1822 else
1823 ioc->add_sge = &mpt_add_sge_64bit;
1824 ioc->add_chain = &mpt_add_chain_64bit;
1825 ioc->sg_addr_size = 8;
1826 } else {
1827 ioc->add_sge = &mpt_add_sge;
1828 ioc->add_chain = &mpt_add_chain;
1829 ioc->sg_addr_size = 4;
1830 }
1831 ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size;
1832
1833 ioc->alloc_total = sizeof(MPT_ADAPTER);
1834 ioc->req_sz = MPT_DEFAULT_FRAME_SIZE; /* avoid div by zero! */
1835 ioc->reply_sz = MPT_REPLY_FRAME_SIZE;
1836
1837
1838 spin_lock_init(&ioc->taskmgmt_lock);
1839 mutex_init(&ioc->internal_cmds.mutex);
1840 init_completion(&ioc->internal_cmds.done);
1841 mutex_init(&ioc->mptbase_cmds.mutex);
1842 init_completion(&ioc->mptbase_cmds.done);
1843 mutex_init(&ioc->taskmgmt_cmds.mutex);
1844 init_completion(&ioc->taskmgmt_cmds.done);
1845
1846 /* Initialize the event logging.
1847 */
1848 ioc->eventTypes = 0; /* None */
1849 ioc->eventContext = 0;
1850 ioc->eventLogSize = 0;
1851 ioc->events = NULL;
1852
1853#ifdef MFCNT
1854 ioc->mfcnt = 0;
1855#endif
1856
1857 ioc->sh = NULL;
1858 ioc->cached_fw = NULL;
1859
1860 /* Initialize SCSI Config Data structure
1861 */
1862 memset(&ioc->spi_data, 0, sizeof(SpiCfgData));
1863
1864 /* Initialize the fc rport list head.
1865 */
1866 INIT_LIST_HEAD(&ioc->fc_rports);
1867
1868 /* Find lookup slot. */
1869 INIT_LIST_HEAD(&ioc->list);
1870
1871
1872 /* Initialize workqueue */
1873 INIT_DELAYED_WORK(&ioc->fault_reset_work, mpt_fault_reset_work);
1874
1875 snprintf(ioc->reset_work_q_name, MPT_KOBJ_NAME_LEN,
1876 "mpt_poll_%d", ioc->id);
1877 ioc->reset_work_q =
1878 create_singlethread_workqueue(ioc->reset_work_q_name);
1879 if (!ioc->reset_work_q) {
1880 printk(MYIOC_s_ERR_FMT "Insufficient memory to add adapter!\n",
1881 ioc->name);
1882 pci_release_selected_regions(pdev, ioc->bars);
1883 kfree(ioc);
1884 return -ENOMEM;
1885 }
1886
1887 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "facts @ %p, pfacts[0] @ %p\n",
1888 ioc->name, &ioc->facts, &ioc->pfacts[0]));
1889
1890 mpt_get_product_name(pdev->vendor, pdev->device, pdev->revision,
1891 ioc->prod_name);
1892
1893 switch (pdev->device)
1894 {
1895 case MPI_MANUFACTPAGE_DEVICEID_FC939X:
1896 case MPI_MANUFACTPAGE_DEVICEID_FC949X:
1897 ioc->errata_flag_1064 = 1;
1898 case MPI_MANUFACTPAGE_DEVICEID_FC909:
1899 case MPI_MANUFACTPAGE_DEVICEID_FC929:
1900 case MPI_MANUFACTPAGE_DEVICEID_FC919:
1901 case MPI_MANUFACTPAGE_DEVICEID_FC949E:
1902 ioc->bus_type = FC;
1903 break;
1904
1905 case MPI_MANUFACTPAGE_DEVICEID_FC929X:
1906 if (pdev->revision < XL_929) {
1907 /* 929X Chip Fix. Set Split transactions level
1908 * for PCIX. Set MOST bits to zero.
1909 */
1910 pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1911 pcixcmd &= 0x8F;
1912 pci_write_config_byte(pdev, 0x6a, pcixcmd);
1913 } else {
1914 /* 929XL Chip Fix. Set MMRBC to 0x08.
1915 */
1916 pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1917 pcixcmd |= 0x08;
1918 pci_write_config_byte(pdev, 0x6a, pcixcmd);
1919 }
1920 ioc->bus_type = FC;
1921 break;
1922
1923 case MPI_MANUFACTPAGE_DEVICEID_FC919X:
1924 /* 919X Chip Fix. Set Split transactions level
1925 * for PCIX. Set MOST bits to zero.
1926 */
1927 pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1928 pcixcmd &= 0x8F;
1929 pci_write_config_byte(pdev, 0x6a, pcixcmd);
1930 ioc->bus_type = FC;
1931 break;
1932
1933 case MPI_MANUFACTPAGE_DEVID_53C1030:
1934 /* 1030 Chip Fix. Disable Split transactions
1935 * for PCIX. Set MOST bits to zero if Rev < C0( = 8).
1936 */
1937 if (pdev->revision < C0_1030) {
1938 pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1939 pcixcmd &= 0x8F;
1940 pci_write_config_byte(pdev, 0x6a, pcixcmd);
1941 }
1942
1943 case MPI_MANUFACTPAGE_DEVID_1030_53C1035:
1944 ioc->bus_type = SPI;
1945 break;
1946
1947 case MPI_MANUFACTPAGE_DEVID_SAS1064:
1948 case MPI_MANUFACTPAGE_DEVID_SAS1068:
1949 ioc->errata_flag_1064 = 1;
1950 ioc->bus_type = SAS;
1951 break;
1952
1953 case MPI_MANUFACTPAGE_DEVID_SAS1064E:
1954 case MPI_MANUFACTPAGE_DEVID_SAS1068E:
1955 case MPI_MANUFACTPAGE_DEVID_SAS1078:
1956 ioc->bus_type = SAS;
1957 break;
1958 }
1959
1960
1961 switch (ioc->bus_type) {
1962
1963 case SAS:
1964 ioc->msi_enable = mpt_msi_enable_sas;
1965 break;
1966
1967 case SPI:
1968 ioc->msi_enable = mpt_msi_enable_spi;
1969 break;
1970
1971 case FC:
1972 ioc->msi_enable = mpt_msi_enable_fc;
1973 break;
1974
1975 default:
1976 ioc->msi_enable = 0;
1977 break;
1978 }
1979
1980 ioc->fw_events_off = 1;
1981
1982 if (ioc->errata_flag_1064)
1983 pci_disable_io_access(pdev);
1984
1985 spin_lock_init(&ioc->FreeQlock);
1986
1987 /* Disable all! */
1988 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
1989 ioc->active = 0;
1990 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1991
1992 /* Set IOC ptr in the pcidev's driver data. */
1993 pci_set_drvdata(ioc->pcidev, ioc);
1994
1995 /* Set lookup ptr. */
1996 list_add_tail(&ioc->list, &ioc_list);
1997
1998 /* Check for "bound ports" (929, 929X, 1030, 1035) to reduce redundant resets.
1999 */
2000 mpt_detect_bound_ports(ioc, pdev);
2001
2002 INIT_LIST_HEAD(&ioc->fw_event_list);
2003 spin_lock_init(&ioc->fw_event_lock);
2004 snprintf(ioc->fw_event_q_name, MPT_KOBJ_NAME_LEN, "mpt/%d", ioc->id);
2005 ioc->fw_event_q = create_singlethread_workqueue(ioc->fw_event_q_name);
2006
2007 if ((r = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP,
2008 CAN_SLEEP)) != 0){
2009 printk(MYIOC_s_ERR_FMT "didn't initialize properly! (%d)\n",
2010 ioc->name, r);
2011
2012 list_del(&ioc->list);
2013 if (ioc->alt_ioc)
2014 ioc->alt_ioc->alt_ioc = NULL;
2015 iounmap(ioc->memmap);
2016 if (r != -5)
2017 pci_release_selected_regions(pdev, ioc->bars);
2018
2019 destroy_workqueue(ioc->reset_work_q);
2020 ioc->reset_work_q = NULL;
2021
2022 kfree(ioc);
2023 pci_set_drvdata(pdev, NULL);
2024 return r;
2025 }
2026
2027 /* call per device driver probe entry point */
2028 for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
2029 if(MptDeviceDriverHandlers[cb_idx] &&
2030 MptDeviceDriverHandlers[cb_idx]->probe) {
2031 MptDeviceDriverHandlers[cb_idx]->probe(pdev,id);
2032 }
2033 }
2034
2035#ifdef CONFIG_PROC_FS
2036 /*
2037 * Create "/proc/mpt/iocN" subdirectory entry for each MPT adapter.
2038 */
2039 dent = proc_mkdir(ioc->name, mpt_proc_root_dir);
2040 if (dent) {
2041 proc_create_data("info", S_IRUGO, dent, &mpt_iocinfo_proc_fops, ioc);
2042 proc_create_data("summary", S_IRUGO, dent, &mpt_summary_proc_fops, ioc);
2043 }
2044#endif
2045
2046 if (!ioc->alt_ioc)
2047 queue_delayed_work(ioc->reset_work_q, &ioc->fault_reset_work,
2048 msecs_to_jiffies(MPT_POLLING_INTERVAL));
2049
2050 return 0;
2051}
2052
2053/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2054/**
2055 * mpt_detach - Remove a PCI intelligent MPT adapter.
2056 * @pdev: Pointer to pci_dev structure
2057 */
2058
2059void
2060mpt_detach(struct pci_dev *pdev)
2061{
2062 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2063 char pname[32];
2064 u8 cb_idx;
2065 unsigned long flags;
2066 struct workqueue_struct *wq;
2067
2068 /*
2069 * Stop polling ioc for fault condition
2070 */
2071 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2072 wq = ioc->reset_work_q;
2073 ioc->reset_work_q = NULL;
2074 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2075 cancel_delayed_work(&ioc->fault_reset_work);
2076 destroy_workqueue(wq);
2077
2078 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2079 wq = ioc->fw_event_q;
2080 ioc->fw_event_q = NULL;
2081 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2082 destroy_workqueue(wq);
2083
2084 sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name);
2085 remove_proc_entry(pname, NULL);
2086 sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/info", ioc->name);
2087 remove_proc_entry(pname, NULL);
2088 sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s", ioc->name);
2089 remove_proc_entry(pname, NULL);
2090
2091 /* call per device driver remove entry point */
2092 for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
2093 if(MptDeviceDriverHandlers[cb_idx] &&
2094 MptDeviceDriverHandlers[cb_idx]->remove) {
2095 MptDeviceDriverHandlers[cb_idx]->remove(pdev);
2096 }
2097 }
2098
2099 /* Disable interrupts! */
2100 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
2101
2102 ioc->active = 0;
2103 synchronize_irq(pdev->irq);
2104
2105 /* Clear any lingering interrupt */
2106 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
2107
2108 CHIPREG_READ32(&ioc->chip->IntStatus);
2109
2110 mpt_adapter_dispose(ioc);
2111
2112}
2113
2114/**************************************************************************
2115 * Power Management
2116 */
2117#ifdef CONFIG_PM
2118/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2119/**
2120 * mpt_suspend - Fusion MPT base driver suspend routine.
2121 * @pdev: Pointer to pci_dev structure
2122 * @state: new state to enter
2123 */
2124int
2125mpt_suspend(struct pci_dev *pdev, pm_message_t state)
2126{
2127 u32 device_state;
2128 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2129
2130 device_state = pci_choose_state(pdev, state);
2131 printk(MYIOC_s_INFO_FMT "pci-suspend: pdev=0x%p, slot=%s, Entering "
2132 "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev),
2133 device_state);
2134
2135 /* put ioc into READY_STATE */
2136 if(SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, CAN_SLEEP)) {
2137 printk(MYIOC_s_ERR_FMT
2138 "pci-suspend: IOC msg unit reset failed!\n", ioc->name);
2139 }
2140
2141 /* disable interrupts */
2142 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
2143 ioc->active = 0;
2144
2145 /* Clear any lingering interrupt */
2146 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
2147
2148 free_irq(ioc->pci_irq, ioc);
2149 if (ioc->msi_enable)
2150 pci_disable_msi(ioc->pcidev);
2151 ioc->pci_irq = -1;
2152 pci_save_state(pdev);
2153 pci_disable_device(pdev);
2154 pci_release_selected_regions(pdev, ioc->bars);
2155 pci_set_power_state(pdev, device_state);
2156 return 0;
2157}
2158
2159/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2160/**
2161 * mpt_resume - Fusion MPT base driver resume routine.
2162 * @pdev: Pointer to pci_dev structure
2163 */
2164int
2165mpt_resume(struct pci_dev *pdev)
2166{
2167 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2168 u32 device_state = pdev->current_state;
2169 int recovery_state;
2170 int err;
2171
2172 printk(MYIOC_s_INFO_FMT "pci-resume: pdev=0x%p, slot=%s, Previous "
2173 "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev),
2174 device_state);
2175
2176 pci_set_power_state(pdev, PCI_D0);
2177 pci_enable_wake(pdev, PCI_D0, 0);
2178 pci_restore_state(pdev);
2179 ioc->pcidev = pdev;
2180 err = mpt_mapresources(ioc);
2181 if (err)
2182 return err;
2183
2184 if (ioc->dma_mask == DMA_BIT_MASK(64)) {
2185 if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078)
2186 ioc->add_sge = &mpt_add_sge_64bit_1078;
2187 else
2188 ioc->add_sge = &mpt_add_sge_64bit;
2189 ioc->add_chain = &mpt_add_chain_64bit;
2190 ioc->sg_addr_size = 8;
2191 } else {
2192
2193 ioc->add_sge = &mpt_add_sge;
2194 ioc->add_chain = &mpt_add_chain;
2195 ioc->sg_addr_size = 4;
2196 }
2197 ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size;
2198
2199 printk(MYIOC_s_INFO_FMT "pci-resume: ioc-state=0x%x,doorbell=0x%x\n",
2200 ioc->name, (mpt_GetIocState(ioc, 1) >> MPI_IOC_STATE_SHIFT),
2201 CHIPREG_READ32(&ioc->chip->Doorbell));
2202
2203 /*
2204 * Errata workaround for SAS pci express:
2205 * Upon returning to the D0 state, the contents of the doorbell will be
2206 * stale data, and this will incorrectly signal to the host driver that
2207 * the firmware is ready to process mpt commands. The workaround is
2208 * to issue a diagnostic reset.
2209 */
2210 if (ioc->bus_type == SAS && (pdev->device ==
2211 MPI_MANUFACTPAGE_DEVID_SAS1068E || pdev->device ==
2212 MPI_MANUFACTPAGE_DEVID_SAS1064E)) {
2213 if (KickStart(ioc, 1, CAN_SLEEP) < 0) {
2214 printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover\n",
2215 ioc->name);
2216 goto out;
2217 }
2218 }
2219
2220 /* bring ioc to operational state */
2221 printk(MYIOC_s_INFO_FMT "Sending mpt_do_ioc_recovery\n", ioc->name);
2222 recovery_state = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP,
2223 CAN_SLEEP);
2224 if (recovery_state != 0)
2225 printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover, "
2226 "error:[%x]\n", ioc->name, recovery_state);
2227 else
2228 printk(MYIOC_s_INFO_FMT
2229 "pci-resume: success\n", ioc->name);
2230 out:
2231 return 0;
2232
2233}
2234#endif
2235
2236static int
2237mpt_signal_reset(u8 index, MPT_ADAPTER *ioc, int reset_phase)
2238{
2239 if ((MptDriverClass[index] == MPTSPI_DRIVER &&
2240 ioc->bus_type != SPI) ||
2241 (MptDriverClass[index] == MPTFC_DRIVER &&
2242 ioc->bus_type != FC) ||
2243 (MptDriverClass[index] == MPTSAS_DRIVER &&
2244 ioc->bus_type != SAS))
2245 /* make sure we only call the relevant reset handler
2246 * for the bus */
2247 return 0;
2248 return (MptResetHandlers[index])(ioc, reset_phase);
2249}
2250
2251/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2252/**
2253 * mpt_do_ioc_recovery - Initialize or recover MPT adapter.
2254 * @ioc: Pointer to MPT adapter structure
2255 * @reason: Event word / reason
2256 * @sleepFlag: Use schedule if CAN_SLEEP else use udelay.
2257 *
2258 * This routine performs all the steps necessary to bring the IOC
2259 * to a OPERATIONAL state.
2260 *
2261 * This routine also pre-fetches the LAN MAC address of a Fibre Channel
2262 * MPT adapter.
2263 *
2264 * Returns:
2265 * 0 for success
2266 * -1 if failed to get board READY
2267 * -2 if READY but IOCFacts Failed
2268 * -3 if READY but PrimeIOCFifos Failed
2269 * -4 if READY but IOCInit Failed
2270 * -5 if failed to enable_device and/or request_selected_regions
2271 * -6 if failed to upload firmware
2272 */
2273static int
2274mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
2275{
2276 int hard_reset_done = 0;
2277 int alt_ioc_ready = 0;
2278 int hard;
2279 int rc=0;
2280 int ii;
2281 int ret = 0;
2282 int reset_alt_ioc_active = 0;
2283 int irq_allocated = 0;
2284 u8 *a;
2285
2286 printk(MYIOC_s_INFO_FMT "Initiating %s\n", ioc->name,
2287 reason == MPT_HOSTEVENT_IOC_BRINGUP ? "bringup" : "recovery");
2288
2289 /* Disable reply interrupts (also blocks FreeQ) */
2290 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
2291 ioc->active = 0;
2292
2293 if (ioc->alt_ioc) {
2294 if (ioc->alt_ioc->active ||
2295 reason == MPT_HOSTEVENT_IOC_RECOVER) {
2296 reset_alt_ioc_active = 1;
2297 /* Disable alt-IOC's reply interrupts
2298 * (and FreeQ) for a bit
2299 **/
2300 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask,
2301 0xFFFFFFFF);
2302 ioc->alt_ioc->active = 0;
2303 }
2304 }
2305
2306 hard = 1;
2307 if (reason == MPT_HOSTEVENT_IOC_BRINGUP)
2308 hard = 0;
2309
2310 if ((hard_reset_done = MakeIocReady(ioc, hard, sleepFlag)) < 0) {
2311 if (hard_reset_done == -4) {
2312 printk(MYIOC_s_WARN_FMT "Owned by PEER..skipping!\n",
2313 ioc->name);
2314
2315 if (reset_alt_ioc_active && ioc->alt_ioc) {
2316 /* (re)Enable alt-IOC! (reply interrupt, FreeQ) */
2317 dprintk(ioc, printk(MYIOC_s_INFO_FMT
2318 "alt_ioc reply irq re-enabled\n", ioc->alt_ioc->name));
2319 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, MPI_HIM_DIM);
2320 ioc->alt_ioc->active = 1;
2321 }
2322
2323 } else {
2324 printk(MYIOC_s_WARN_FMT
2325 "NOT READY WARNING!\n", ioc->name);
2326 }
2327 ret = -1;
2328 goto out;
2329 }
2330
2331 /* hard_reset_done = 0 if a soft reset was performed
2332 * and 1 if a hard reset was performed.
2333 */
2334 if (hard_reset_done && reset_alt_ioc_active && ioc->alt_ioc) {
2335 if ((rc = MakeIocReady(ioc->alt_ioc, 0, sleepFlag)) == 0)
2336 alt_ioc_ready = 1;
2337 else
2338 printk(MYIOC_s_WARN_FMT
2339 ": alt-ioc Not ready WARNING!\n",
2340 ioc->alt_ioc->name);
2341 }
2342
2343 for (ii=0; ii<5; ii++) {
2344 /* Get IOC facts! Allow 5 retries */
2345 if ((rc = GetIocFacts(ioc, sleepFlag, reason)) == 0)
2346 break;
2347 }
2348
2349
2350 if (ii == 5) {
2351 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2352 "Retry IocFacts failed rc=%x\n", ioc->name, rc));
2353 ret = -2;
2354 } else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
2355 MptDisplayIocCapabilities(ioc);
2356 }
2357
2358 if (alt_ioc_ready) {
2359 if ((rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason)) != 0) {
2360 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2361 "Initial Alt IocFacts failed rc=%x\n",
2362 ioc->name, rc));
2363 /* Retry - alt IOC was initialized once
2364 */
2365 rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason);
2366 }
2367 if (rc) {
2368 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2369 "Retry Alt IocFacts failed rc=%x\n", ioc->name, rc));
2370 alt_ioc_ready = 0;
2371 reset_alt_ioc_active = 0;
2372 } else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
2373 MptDisplayIocCapabilities(ioc->alt_ioc);
2374 }
2375 }
2376
2377 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP) &&
2378 (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)) {
2379 pci_release_selected_regions(ioc->pcidev, ioc->bars);
2380 ioc->bars = pci_select_bars(ioc->pcidev, IORESOURCE_MEM |
2381 IORESOURCE_IO);
2382 if (pci_enable_device(ioc->pcidev))
2383 return -5;
2384 if (pci_request_selected_regions(ioc->pcidev, ioc->bars,
2385 "mpt"))
2386 return -5;
2387 }
2388
2389 /*
2390 * Device is reset now. It must have de-asserted the interrupt line
2391 * (if it was asserted) and it should be safe to register for the
2392 * interrupt now.
2393 */
2394 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) {
2395 ioc->pci_irq = -1;
2396 if (ioc->pcidev->irq) {
2397 if (ioc->msi_enable && !pci_enable_msi(ioc->pcidev))
2398 printk(MYIOC_s_INFO_FMT "PCI-MSI enabled\n",
2399 ioc->name);
2400 else
2401 ioc->msi_enable = 0;
2402 rc = request_irq(ioc->pcidev->irq, mpt_interrupt,
2403 IRQF_SHARED, ioc->name, ioc);
2404 if (rc < 0) {
2405 printk(MYIOC_s_ERR_FMT "Unable to allocate "
2406 "interrupt %d!\n",
2407 ioc->name, ioc->pcidev->irq);
2408 if (ioc->msi_enable)
2409 pci_disable_msi(ioc->pcidev);
2410 ret = -EBUSY;
2411 goto out;
2412 }
2413 irq_allocated = 1;
2414 ioc->pci_irq = ioc->pcidev->irq;
2415 pci_set_master(ioc->pcidev); /* ?? */
2416 pci_set_drvdata(ioc->pcidev, ioc);
2417 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
2418 "installed at interrupt %d\n", ioc->name,
2419 ioc->pcidev->irq));
2420 }
2421 }
2422
2423 /* Prime reply & request queues!
2424 * (mucho alloc's) Must be done prior to
2425 * init as upper addresses are needed for init.
2426 * If fails, continue with alt-ioc processing
2427 */
2428 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "PrimeIocFifos\n",
2429 ioc->name));
2430 if ((ret == 0) && ((rc = PrimeIocFifos(ioc)) != 0))
2431 ret = -3;
2432
2433 /* May need to check/upload firmware & data here!
2434 * If fails, continue with alt-ioc processing
2435 */
2436 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "SendIocInit\n",
2437 ioc->name));
2438 if ((ret == 0) && ((rc = SendIocInit(ioc, sleepFlag)) != 0))
2439 ret = -4;
2440// NEW!
2441 if (alt_ioc_ready && ((rc = PrimeIocFifos(ioc->alt_ioc)) != 0)) {
2442 printk(MYIOC_s_WARN_FMT
2443 ": alt-ioc (%d) FIFO mgmt alloc WARNING!\n",
2444 ioc->alt_ioc->name, rc);
2445 alt_ioc_ready = 0;
2446 reset_alt_ioc_active = 0;
2447 }
2448
2449 if (alt_ioc_ready) {
2450 if ((rc = SendIocInit(ioc->alt_ioc, sleepFlag)) != 0) {
2451 alt_ioc_ready = 0;
2452 reset_alt_ioc_active = 0;
2453 printk(MYIOC_s_WARN_FMT
2454 ": alt-ioc: (%d) init failure WARNING!\n",
2455 ioc->alt_ioc->name, rc);
2456 }
2457 }
2458
2459 if (reason == MPT_HOSTEVENT_IOC_BRINGUP){
2460 if (ioc->upload_fw) {
2461 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2462 "firmware upload required!\n", ioc->name));
2463
2464 /* Controller is not operational, cannot do upload
2465 */
2466 if (ret == 0) {
2467 rc = mpt_do_upload(ioc, sleepFlag);
2468 if (rc == 0) {
2469 if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) {
2470 /*
2471 * Maintain only one pointer to FW memory
2472 * so there will not be two attempt to
2473 * downloadboot onboard dual function
2474 * chips (mpt_adapter_disable,
2475 * mpt_diag_reset)
2476 */
2477 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2478 "mpt_upload: alt_%s has cached_fw=%p \n",
2479 ioc->name, ioc->alt_ioc->name, ioc->alt_ioc->cached_fw));
2480 ioc->cached_fw = NULL;
2481 }
2482 } else {
2483 printk(MYIOC_s_WARN_FMT
2484 "firmware upload failure!\n", ioc->name);
2485 ret = -6;
2486 }
2487 }
2488 }
2489 }
2490
2491 /* Enable MPT base driver management of EventNotification
2492 * and EventAck handling.
2493 */
2494 if ((ret == 0) && (!ioc->facts.EventState)) {
2495 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
2496 "SendEventNotification\n",
2497 ioc->name));
2498 ret = SendEventNotification(ioc, 1, sleepFlag); /* 1=Enable */
2499 }
2500
2501 if (ioc->alt_ioc && alt_ioc_ready && !ioc->alt_ioc->facts.EventState)
2502 rc = SendEventNotification(ioc->alt_ioc, 1, sleepFlag);
2503
2504 if (ret == 0) {
2505 /* Enable! (reply interrupt) */
2506 CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
2507 ioc->active = 1;
2508 }
2509 if (rc == 0) { /* alt ioc */
2510 if (reset_alt_ioc_active && ioc->alt_ioc) {
2511 /* (re)Enable alt-IOC! (reply interrupt) */
2512 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "alt-ioc"
2513 "reply irq re-enabled\n",
2514 ioc->alt_ioc->name));
2515 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask,
2516 MPI_HIM_DIM);
2517 ioc->alt_ioc->active = 1;
2518 }
2519 }
2520
2521
2522 /* Add additional "reason" check before call to GetLanConfigPages
2523 * (combined with GetIoUnitPage2 call). This prevents a somewhat
2524 * recursive scenario; GetLanConfigPages times out, timer expired
2525 * routine calls HardResetHandler, which calls into here again,
2526 * and we try GetLanConfigPages again...
2527 */
2528 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) {
2529
2530 /*
2531 * Initialize link list for inactive raid volumes.
2532 */
2533 mutex_init(&ioc->raid_data.inactive_list_mutex);
2534 INIT_LIST_HEAD(&ioc->raid_data.inactive_list);
2535
2536 switch (ioc->bus_type) {
2537
2538 case SAS:
2539 /* clear persistency table */
2540 if(ioc->facts.IOCExceptions &
2541 MPI_IOCFACTS_EXCEPT_PERSISTENT_TABLE_FULL) {
2542 ret = mptbase_sas_persist_operation(ioc,
2543 MPI_SAS_OP_CLEAR_NOT_PRESENT);
2544 if(ret != 0)
2545 goto out;
2546 }
2547
2548 /* Find IM volumes
2549 */
2550 mpt_findImVolumes(ioc);
2551
2552 /* Check, and possibly reset, the coalescing value
2553 */
2554 mpt_read_ioc_pg_1(ioc);
2555
2556 break;
2557
2558 case FC:
2559 if ((ioc->pfacts[0].ProtocolFlags &
2560 MPI_PORTFACTS_PROTOCOL_LAN) &&
2561 (ioc->lan_cnfg_page0.Header.PageLength == 0)) {
2562 /*
2563 * Pre-fetch the ports LAN MAC address!
2564 * (LANPage1_t stuff)
2565 */
2566 (void) GetLanConfigPages(ioc);
2567 a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
2568 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2569 "LanAddr = %02X:%02X:%02X"
2570 ":%02X:%02X:%02X\n",
2571 ioc->name, a[5], a[4],
2572 a[3], a[2], a[1], a[0]));
2573 }
2574 break;
2575
2576 case SPI:
2577 /* Get NVRAM and adapter maximums from SPP 0 and 2
2578 */
2579 mpt_GetScsiPortSettings(ioc, 0);
2580
2581 /* Get version and length of SDP 1
2582 */
2583 mpt_readScsiDevicePageHeaders(ioc, 0);
2584
2585 /* Find IM volumes
2586 */
2587 if (ioc->facts.MsgVersion >= MPI_VERSION_01_02)
2588 mpt_findImVolumes(ioc);
2589
2590 /* Check, and possibly reset, the coalescing value
2591 */
2592 mpt_read_ioc_pg_1(ioc);
2593
2594 mpt_read_ioc_pg_4(ioc);
2595
2596 break;
2597 }
2598
2599 GetIoUnitPage2(ioc);
2600 mpt_get_manufacturing_pg_0(ioc);
2601 }
2602
2603 out:
2604 if ((ret != 0) && irq_allocated) {
2605 free_irq(ioc->pci_irq, ioc);
2606 if (ioc->msi_enable)
2607 pci_disable_msi(ioc->pcidev);
2608 }
2609 return ret;
2610}
2611
2612/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2613/**
2614 * mpt_detect_bound_ports - Search for matching PCI bus/dev_function
2615 * @ioc: Pointer to MPT adapter structure
2616 * @pdev: Pointer to (struct pci_dev) structure
2617 *
2618 * Search for PCI bus/dev_function which matches
2619 * PCI bus/dev_function (+/-1) for newly discovered 929,
2620 * 929X, 1030 or 1035.
2621 *
2622 * If match on PCI dev_function +/-1 is found, bind the two MPT adapters
2623 * using alt_ioc pointer fields in their %MPT_ADAPTER structures.
2624 */
2625static void
2626mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev)
2627{
2628 struct pci_dev *peer=NULL;
2629 unsigned int slot = PCI_SLOT(pdev->devfn);
2630 unsigned int func = PCI_FUNC(pdev->devfn);
2631 MPT_ADAPTER *ioc_srch;
2632
2633 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PCI device %s devfn=%x/%x,"
2634 " searching for devfn match on %x or %x\n",
2635 ioc->name, pci_name(pdev), pdev->bus->number,
2636 pdev->devfn, func-1, func+1));
2637
2638 peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func-1));
2639 if (!peer) {
2640 peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func+1));
2641 if (!peer)
2642 return;
2643 }
2644
2645 list_for_each_entry(ioc_srch, &ioc_list, list) {
2646 struct pci_dev *_pcidev = ioc_srch->pcidev;
2647 if (_pcidev == peer) {
2648 /* Paranoia checks */
2649 if (ioc->alt_ioc != NULL) {
2650 printk(MYIOC_s_WARN_FMT
2651 "Oops, already bound (%s <==> %s)!\n",
2652 ioc->name, ioc->name, ioc->alt_ioc->name);
2653 break;
2654 } else if (ioc_srch->alt_ioc != NULL) {
2655 printk(MYIOC_s_WARN_FMT
2656 "Oops, already bound (%s <==> %s)!\n",
2657 ioc_srch->name, ioc_srch->name,
2658 ioc_srch->alt_ioc->name);
2659 break;
2660 }
2661 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2662 "FOUND! binding %s <==> %s\n",
2663 ioc->name, ioc->name, ioc_srch->name));
2664 ioc_srch->alt_ioc = ioc;
2665 ioc->alt_ioc = ioc_srch;
2666 }
2667 }
2668 pci_dev_put(peer);
2669}
2670
2671/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2672/**
2673 * mpt_adapter_disable - Disable misbehaving MPT adapter.
2674 * @ioc: Pointer to MPT adapter structure
2675 */
2676static void
2677mpt_adapter_disable(MPT_ADAPTER *ioc)
2678{
2679 int sz;
2680 int ret;
2681
2682 if (ioc->cached_fw != NULL) {
2683 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2684 "%s: Pushing FW onto adapter\n", __func__, ioc->name));
2685 if ((ret = mpt_downloadboot(ioc, (MpiFwHeader_t *)
2686 ioc->cached_fw, CAN_SLEEP)) < 0) {
2687 printk(MYIOC_s_WARN_FMT
2688 ": firmware downloadboot failure (%d)!\n",
2689 ioc->name, ret);
2690 }
2691 }
2692
2693 /*
2694 * Put the controller into ready state (if its not already)
2695 */
2696 if (mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_READY) {
2697 if (!SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET,
2698 CAN_SLEEP)) {
2699 if (mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_READY)
2700 printk(MYIOC_s_ERR_FMT "%s: IOC msg unit "
2701 "reset failed to put ioc in ready state!\n",
2702 ioc->name, __func__);
2703 } else
2704 printk(MYIOC_s_ERR_FMT "%s: IOC msg unit reset "
2705 "failed!\n", ioc->name, __func__);
2706 }
2707
2708
2709 /* Disable adapter interrupts! */
2710 synchronize_irq(ioc->pcidev->irq);
2711 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
2712 ioc->active = 0;
2713
2714 /* Clear any lingering interrupt */
2715 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
2716 CHIPREG_READ32(&ioc->chip->IntStatus);
2717
2718 if (ioc->alloc != NULL) {
2719 sz = ioc->alloc_sz;
2720 dexitprintk(ioc, printk(MYIOC_s_INFO_FMT "free @ %p, sz=%d bytes\n",
2721 ioc->name, ioc->alloc, ioc->alloc_sz));
2722 pci_free_consistent(ioc->pcidev, sz,
2723 ioc->alloc, ioc->alloc_dma);
2724 ioc->reply_frames = NULL;
2725 ioc->req_frames = NULL;
2726 ioc->alloc = NULL;
2727 ioc->alloc_total -= sz;
2728 }
2729
2730 if (ioc->sense_buf_pool != NULL) {
2731 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
2732 pci_free_consistent(ioc->pcidev, sz,
2733 ioc->sense_buf_pool, ioc->sense_buf_pool_dma);
2734 ioc->sense_buf_pool = NULL;
2735 ioc->alloc_total -= sz;
2736 }
2737
2738 if (ioc->events != NULL){
2739 sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS);
2740 kfree(ioc->events);
2741 ioc->events = NULL;
2742 ioc->alloc_total -= sz;
2743 }
2744
2745 mpt_free_fw_memory(ioc);
2746
2747 kfree(ioc->spi_data.nvram);
2748 mpt_inactive_raid_list_free(ioc);
2749 kfree(ioc->raid_data.pIocPg2);
2750 kfree(ioc->raid_data.pIocPg3);
2751 ioc->spi_data.nvram = NULL;
2752 ioc->raid_data.pIocPg3 = NULL;
2753
2754 if (ioc->spi_data.pIocPg4 != NULL) {
2755 sz = ioc->spi_data.IocPg4Sz;
2756 pci_free_consistent(ioc->pcidev, sz,
2757 ioc->spi_data.pIocPg4,
2758 ioc->spi_data.IocPg4_dma);
2759 ioc->spi_data.pIocPg4 = NULL;
2760 ioc->alloc_total -= sz;
2761 }
2762
2763 if (ioc->ReqToChain != NULL) {
2764 kfree(ioc->ReqToChain);
2765 kfree(ioc->RequestNB);
2766 ioc->ReqToChain = NULL;
2767 }
2768
2769 kfree(ioc->ChainToChain);
2770 ioc->ChainToChain = NULL;
2771
2772 if (ioc->HostPageBuffer != NULL) {
2773 if((ret = mpt_host_page_access_control(ioc,
2774 MPI_DB_HPBAC_FREE_BUFFER, NO_SLEEP)) != 0) {
2775 printk(MYIOC_s_ERR_FMT
2776 ": %s: host page buffers free failed (%d)!\n",
2777 ioc->name, __func__, ret);
2778 }
2779 dexitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2780 "HostPageBuffer free @ %p, sz=%d bytes\n",
2781 ioc->name, ioc->HostPageBuffer,
2782 ioc->HostPageBuffer_sz));
2783 pci_free_consistent(ioc->pcidev, ioc->HostPageBuffer_sz,
2784 ioc->HostPageBuffer, ioc->HostPageBuffer_dma);
2785 ioc->HostPageBuffer = NULL;
2786 ioc->HostPageBuffer_sz = 0;
2787 ioc->alloc_total -= ioc->HostPageBuffer_sz;
2788 }
2789
2790 pci_set_drvdata(ioc->pcidev, NULL);
2791}
2792/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2793/**
2794 * mpt_adapter_dispose - Free all resources associated with an MPT adapter
2795 * @ioc: Pointer to MPT adapter structure
2796 *
2797 * This routine unregisters h/w resources and frees all alloc'd memory
2798 * associated with a MPT adapter structure.
2799 */
2800static void
2801mpt_adapter_dispose(MPT_ADAPTER *ioc)
2802{
2803 int sz_first, sz_last;
2804
2805 if (ioc == NULL)
2806 return;
2807
2808 sz_first = ioc->alloc_total;
2809
2810 mpt_adapter_disable(ioc);
2811
2812 if (ioc->pci_irq != -1) {
2813 free_irq(ioc->pci_irq, ioc);
2814 if (ioc->msi_enable)
2815 pci_disable_msi(ioc->pcidev);
2816 ioc->pci_irq = -1;
2817 }
2818
2819 if (ioc->memmap != NULL) {
2820 iounmap(ioc->memmap);
2821 ioc->memmap = NULL;
2822 }
2823
2824 pci_disable_device(ioc->pcidev);
2825 pci_release_selected_regions(ioc->pcidev, ioc->bars);
2826
2827#if defined(CONFIG_MTRR) && 0
2828 if (ioc->mtrr_reg > 0) {
2829 mtrr_del(ioc->mtrr_reg, 0, 0);
2830 dprintk(ioc, printk(MYIOC_s_INFO_FMT "MTRR region de-registered\n", ioc->name));
2831 }
2832#endif
2833
2834 /* Zap the adapter lookup ptr! */
2835 list_del(&ioc->list);
2836
2837 sz_last = ioc->alloc_total;
2838 dprintk(ioc, printk(MYIOC_s_INFO_FMT "free'd %d of %d bytes\n",
2839 ioc->name, sz_first-sz_last+(int)sizeof(*ioc), sz_first));
2840
2841 if (ioc->alt_ioc)
2842 ioc->alt_ioc->alt_ioc = NULL;
2843
2844 kfree(ioc);
2845}
2846
2847/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2848/**
2849 * MptDisplayIocCapabilities - Disply IOC's capabilities.
2850 * @ioc: Pointer to MPT adapter structure
2851 */
2852static void
2853MptDisplayIocCapabilities(MPT_ADAPTER *ioc)
2854{
2855 int i = 0;
2856
2857 printk(KERN_INFO "%s: ", ioc->name);
2858 if (ioc->prod_name)
2859 printk("%s: ", ioc->prod_name);
2860 printk("Capabilities={");
2861
2862 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_INITIATOR) {
2863 printk("Initiator");
2864 i++;
2865 }
2866
2867 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) {
2868 printk("%sTarget", i ? "," : "");
2869 i++;
2870 }
2871
2872 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) {
2873 printk("%sLAN", i ? "," : "");
2874 i++;
2875 }
2876
2877#if 0
2878 /*
2879 * This would probably evoke more questions than it's worth
2880 */
2881 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) {
2882 printk("%sLogBusAddr", i ? "," : "");
2883 i++;
2884 }
2885#endif
2886
2887 printk("}\n");
2888}
2889
2890/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2891/**
2892 * MakeIocReady - Get IOC to a READY state, using KickStart if needed.
2893 * @ioc: Pointer to MPT_ADAPTER structure
2894 * @force: Force hard KickStart of IOC
2895 * @sleepFlag: Specifies whether the process can sleep
2896 *
2897 * Returns:
2898 * 1 - DIAG reset and READY
2899 * 0 - READY initially OR soft reset and READY
2900 * -1 - Any failure on KickStart
2901 * -2 - Msg Unit Reset Failed
2902 * -3 - IO Unit Reset Failed
2903 * -4 - IOC owned by a PEER
2904 */
2905static int
2906MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag)
2907{
2908 u32 ioc_state;
2909 int statefault = 0;
2910 int cntdn;
2911 int hard_reset_done = 0;
2912 int r;
2913 int ii;
2914 int whoinit;
2915
2916 /* Get current [raw] IOC state */
2917 ioc_state = mpt_GetIocState(ioc, 0);
2918 dhsprintk(ioc, printk(MYIOC_s_INFO_FMT "MakeIocReady [raw] state=%08x\n", ioc->name, ioc_state));
2919
2920 /*
2921 * Check to see if IOC got left/stuck in doorbell handshake
2922 * grip of death. If so, hard reset the IOC.
2923 */
2924 if (ioc_state & MPI_DOORBELL_ACTIVE) {
2925 statefault = 1;
2926 printk(MYIOC_s_WARN_FMT "Unexpected doorbell active!\n",
2927 ioc->name);
2928 }
2929
2930 /* Is it already READY? */
2931 if (!statefault &&
2932 ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_READY)) {
2933 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
2934 "IOC is in READY state\n", ioc->name));
2935 return 0;
2936 }
2937
2938 /*
2939 * Check to see if IOC is in FAULT state.
2940 */
2941 if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) {
2942 statefault = 2;
2943 printk(MYIOC_s_WARN_FMT "IOC is in FAULT state!!!\n",
2944 ioc->name);
2945 printk(MYIOC_s_WARN_FMT " FAULT code = %04xh\n",
2946 ioc->name, ioc_state & MPI_DOORBELL_DATA_MASK);
2947 }
2948
2949 /*
2950 * Hmmm... Did it get left operational?
2951 */
2952 if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_OPERATIONAL) {
2953 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOC operational unexpected\n",
2954 ioc->name));
2955
2956 /* Check WhoInit.
2957 * If PCI Peer, exit.
2958 * Else, if no fault conditions are present, issue a MessageUnitReset
2959 * Else, fall through to KickStart case
2960 */
2961 whoinit = (ioc_state & MPI_DOORBELL_WHO_INIT_MASK) >> MPI_DOORBELL_WHO_INIT_SHIFT;
2962 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
2963 "whoinit 0x%x statefault %d force %d\n",
2964 ioc->name, whoinit, statefault, force));
2965 if (whoinit == MPI_WHOINIT_PCI_PEER)
2966 return -4;
2967 else {
2968 if ((statefault == 0 ) && (force == 0)) {
2969 if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) == 0)
2970 return 0;
2971 }
2972 statefault = 3;
2973 }
2974 }
2975
2976 hard_reset_done = KickStart(ioc, statefault||force, sleepFlag);
2977 if (hard_reset_done < 0)
2978 return -1;
2979
2980 /*
2981 * Loop here waiting for IOC to come READY.
2982 */
2983 ii = 0;
2984 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 5; /* 5 seconds */
2985
2986 while ((ioc_state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) {
2987 if (ioc_state == MPI_IOC_STATE_OPERATIONAL) {
2988 /*
2989 * BIOS or previous driver load left IOC in OP state.
2990 * Reset messaging FIFOs.
2991 */
2992 if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) != 0) {
2993 printk(MYIOC_s_ERR_FMT "IOC msg unit reset failed!\n", ioc->name);
2994 return -2;
2995 }
2996 } else if (ioc_state == MPI_IOC_STATE_RESET) {
2997 /*
2998 * Something is wrong. Try to get IOC back
2999 * to a known state.
3000 */
3001 if ((r = SendIocReset(ioc, MPI_FUNCTION_IO_UNIT_RESET, sleepFlag)) != 0) {
3002 printk(MYIOC_s_ERR_FMT "IO unit reset failed!\n", ioc->name);
3003 return -3;
3004 }
3005 }
3006
3007 ii++; cntdn--;
3008 if (!cntdn) {
3009 printk(MYIOC_s_ERR_FMT
3010 "Wait IOC_READY state (0x%x) timeout(%d)!\n",
3011 ioc->name, ioc_state, (int)((ii+5)/HZ));
3012 return -ETIME;
3013 }
3014
3015 if (sleepFlag == CAN_SLEEP) {
3016 msleep(1);
3017 } else {
3018 mdelay (1); /* 1 msec delay */
3019 }
3020
3021 }
3022
3023 if (statefault < 3) {
3024 printk(MYIOC_s_INFO_FMT "Recovered from %s\n", ioc->name,
3025 statefault == 1 ? "stuck handshake" : "IOC FAULT");
3026 }
3027
3028 return hard_reset_done;
3029}
3030
3031/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3032/**
3033 * mpt_GetIocState - Get the current state of a MPT adapter.
3034 * @ioc: Pointer to MPT_ADAPTER structure
3035 * @cooked: Request raw or cooked IOC state
3036 *
3037 * Returns all IOC Doorbell register bits if cooked==0, else just the
3038 * Doorbell bits in MPI_IOC_STATE_MASK.
3039 */
3040u32
3041mpt_GetIocState(MPT_ADAPTER *ioc, int cooked)
3042{
3043 u32 s, sc;
3044
3045 /* Get! */
3046 s = CHIPREG_READ32(&ioc->chip->Doorbell);
3047 sc = s & MPI_IOC_STATE_MASK;
3048
3049 /* Save! */
3050 ioc->last_state = sc;
3051
3052 return cooked ? sc : s;
3053}
3054
3055/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3056/**
3057 * GetIocFacts - Send IOCFacts request to MPT adapter.
3058 * @ioc: Pointer to MPT_ADAPTER structure
3059 * @sleepFlag: Specifies whether the process can sleep
3060 * @reason: If recovery, only update facts.
3061 *
3062 * Returns 0 for success, non-zero for failure.
3063 */
3064static int
3065GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason)
3066{
3067 IOCFacts_t get_facts;
3068 IOCFactsReply_t *facts;
3069 int r;
3070 int req_sz;
3071 int reply_sz;
3072 int sz;
3073 u32 status, vv;
3074 u8 shiftFactor=1;
3075
3076 /* IOC *must* NOT be in RESET state! */
3077 if (ioc->last_state == MPI_IOC_STATE_RESET) {
3078 printk(KERN_ERR MYNAM
3079 ": ERROR - Can't get IOCFacts, %s NOT READY! (%08x)\n",
3080 ioc->name, ioc->last_state);
3081 return -44;
3082 }
3083
3084 facts = &ioc->facts;
3085
3086 /* Destination (reply area)... */
3087 reply_sz = sizeof(*facts);
3088 memset(facts, 0, reply_sz);
3089
3090 /* Request area (get_facts on the stack right now!) */
3091 req_sz = sizeof(get_facts);
3092 memset(&get_facts, 0, req_sz);
3093
3094 get_facts.Function = MPI_FUNCTION_IOC_FACTS;
3095 /* Assert: All other get_facts fields are zero! */
3096
3097 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3098 "Sending get IocFacts request req_sz=%d reply_sz=%d\n",
3099 ioc->name, req_sz, reply_sz));
3100
3101 /* No non-zero fields in the get_facts request are greater than
3102 * 1 byte in size, so we can just fire it off as is.
3103 */
3104 r = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_facts,
3105 reply_sz, (u16*)facts, 5 /*seconds*/, sleepFlag);
3106 if (r != 0)
3107 return r;
3108
3109 /*
3110 * Now byte swap (GRRR) the necessary fields before any further
3111 * inspection of reply contents.
3112 *
3113 * But need to do some sanity checks on MsgLength (byte) field
3114 * to make sure we don't zero IOC's req_sz!
3115 */
3116 /* Did we get a valid reply? */
3117 if (facts->MsgLength > offsetof(IOCFactsReply_t, RequestFrameSize)/sizeof(u32)) {
3118 if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
3119 /*
3120 * If not been here, done that, save off first WhoInit value
3121 */
3122 if (ioc->FirstWhoInit == WHOINIT_UNKNOWN)
3123 ioc->FirstWhoInit = facts->WhoInit;
3124 }
3125
3126 facts->MsgVersion = le16_to_cpu(facts->MsgVersion);
3127 facts->MsgContext = le32_to_cpu(facts->MsgContext);
3128 facts->IOCExceptions = le16_to_cpu(facts->IOCExceptions);
3129 facts->IOCStatus = le16_to_cpu(facts->IOCStatus);
3130 facts->IOCLogInfo = le32_to_cpu(facts->IOCLogInfo);
3131 status = le16_to_cpu(facts->IOCStatus) & MPI_IOCSTATUS_MASK;
3132 /* CHECKME! IOCStatus, IOCLogInfo */
3133
3134 facts->ReplyQueueDepth = le16_to_cpu(facts->ReplyQueueDepth);
3135 facts->RequestFrameSize = le16_to_cpu(facts->RequestFrameSize);
3136
3137 /*
3138 * FC f/w version changed between 1.1 and 1.2
3139 * Old: u16{Major(4),Minor(4),SubMinor(8)}
3140 * New: u32{Major(8),Minor(8),Unit(8),Dev(8)}
3141 */
3142 if (facts->MsgVersion < MPI_VERSION_01_02) {
3143 /*
3144 * Handle old FC f/w style, convert to new...
3145 */
3146 u16 oldv = le16_to_cpu(facts->Reserved_0101_FWVersion);
3147 facts->FWVersion.Word =
3148 ((oldv<<12) & 0xFF000000) |
3149 ((oldv<<8) & 0x000FFF00);
3150 } else
3151 facts->FWVersion.Word = le32_to_cpu(facts->FWVersion.Word);
3152
3153 facts->ProductID = le16_to_cpu(facts->ProductID);
3154
3155 if ((ioc->facts.ProductID & MPI_FW_HEADER_PID_PROD_MASK)
3156 > MPI_FW_HEADER_PID_PROD_TARGET_SCSI)
3157 ioc->ir_firmware = 1;
3158
3159 facts->CurrentHostMfaHighAddr =
3160 le32_to_cpu(facts->CurrentHostMfaHighAddr);
3161 facts->GlobalCredits = le16_to_cpu(facts->GlobalCredits);
3162 facts->CurrentSenseBufferHighAddr =
3163 le32_to_cpu(facts->CurrentSenseBufferHighAddr);
3164 facts->CurReplyFrameSize =
3165 le16_to_cpu(facts->CurReplyFrameSize);
3166 facts->IOCCapabilities = le32_to_cpu(facts->IOCCapabilities);
3167
3168 /*
3169 * Handle NEW (!) IOCFactsReply fields in MPI-1.01.xx
3170 * Older MPI-1.00.xx struct had 13 dwords, and enlarged
3171 * to 14 in MPI-1.01.0x.
3172 */
3173 if (facts->MsgLength >= (offsetof(IOCFactsReply_t,FWImageSize) + 7)/4 &&
3174 facts->MsgVersion > MPI_VERSION_01_00) {
3175 facts->FWImageSize = le32_to_cpu(facts->FWImageSize);
3176 }
3177
3178 sz = facts->FWImageSize;
3179 if ( sz & 0x01 )
3180 sz += 1;
3181 if ( sz & 0x02 )
3182 sz += 2;
3183 facts->FWImageSize = sz;
3184
3185 if (!facts->RequestFrameSize) {
3186 /* Something is wrong! */
3187 printk(MYIOC_s_ERR_FMT "IOC reported invalid 0 request size!\n",
3188 ioc->name);
3189 return -55;
3190 }
3191
3192 r = sz = facts->BlockSize;
3193 vv = ((63 / (sz * 4)) + 1) & 0x03;
3194 ioc->NB_for_64_byte_frame = vv;
3195 while ( sz )
3196 {
3197 shiftFactor++;
3198 sz = sz >> 1;
3199 }
3200 ioc->NBShiftFactor = shiftFactor;
3201 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3202 "NB_for_64_byte_frame=%x NBShiftFactor=%x BlockSize=%x\n",
3203 ioc->name, vv, shiftFactor, r));
3204
3205 if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
3206 /*
3207 * Set values for this IOC's request & reply frame sizes,
3208 * and request & reply queue depths...
3209 */
3210 ioc->req_sz = min(MPT_DEFAULT_FRAME_SIZE, facts->RequestFrameSize * 4);
3211 ioc->req_depth = min_t(int, MPT_MAX_REQ_DEPTH, facts->GlobalCredits);
3212 ioc->reply_sz = MPT_REPLY_FRAME_SIZE;
3213 ioc->reply_depth = min_t(int, MPT_DEFAULT_REPLY_DEPTH, facts->ReplyQueueDepth);
3214
3215 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "reply_sz=%3d, reply_depth=%4d\n",
3216 ioc->name, ioc->reply_sz, ioc->reply_depth));
3217 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "req_sz =%3d, req_depth =%4d\n",
3218 ioc->name, ioc->req_sz, ioc->req_depth));
3219
3220 /* Get port facts! */
3221 if ( (r = GetPortFacts(ioc, 0, sleepFlag)) != 0 )
3222 return r;
3223 }
3224 } else {
3225 printk(MYIOC_s_ERR_FMT
3226 "Invalid IOC facts reply, msgLength=%d offsetof=%zd!\n",
3227 ioc->name, facts->MsgLength, (offsetof(IOCFactsReply_t,
3228 RequestFrameSize)/sizeof(u32)));
3229 return -66;
3230 }
3231
3232 return 0;
3233}
3234
3235/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3236/**
3237 * GetPortFacts - Send PortFacts request to MPT adapter.
3238 * @ioc: Pointer to MPT_ADAPTER structure
3239 * @portnum: Port number
3240 * @sleepFlag: Specifies whether the process can sleep
3241 *
3242 * Returns 0 for success, non-zero for failure.
3243 */
3244static int
3245GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag)
3246{
3247 PortFacts_t get_pfacts;
3248 PortFactsReply_t *pfacts;
3249 int ii;
3250 int req_sz;
3251 int reply_sz;
3252 int max_id;
3253
3254 /* IOC *must* NOT be in RESET state! */
3255 if (ioc->last_state == MPI_IOC_STATE_RESET) {
3256 printk(MYIOC_s_ERR_FMT "Can't get PortFacts NOT READY! (%08x)\n",
3257 ioc->name, ioc->last_state );
3258 return -4;
3259 }
3260
3261 pfacts = &ioc->pfacts[portnum];
3262
3263 /* Destination (reply area)... */
3264 reply_sz = sizeof(*pfacts);
3265 memset(pfacts, 0, reply_sz);
3266
3267 /* Request area (get_pfacts on the stack right now!) */
3268 req_sz = sizeof(get_pfacts);
3269 memset(&get_pfacts, 0, req_sz);
3270
3271 get_pfacts.Function = MPI_FUNCTION_PORT_FACTS;
3272 get_pfacts.PortNumber = portnum;
3273 /* Assert: All other get_pfacts fields are zero! */
3274
3275 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending get PortFacts(%d) request\n",
3276 ioc->name, portnum));
3277
3278 /* No non-zero fields in the get_pfacts request are greater than
3279 * 1 byte in size, so we can just fire it off as is.
3280 */
3281 ii = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_pfacts,
3282 reply_sz, (u16*)pfacts, 5 /*seconds*/, sleepFlag);
3283 if (ii != 0)
3284 return ii;
3285
3286 /* Did we get a valid reply? */
3287
3288 /* Now byte swap the necessary fields in the response. */
3289 pfacts->MsgContext = le32_to_cpu(pfacts->MsgContext);
3290 pfacts->IOCStatus = le16_to_cpu(pfacts->IOCStatus);
3291 pfacts->IOCLogInfo = le32_to_cpu(pfacts->IOCLogInfo);
3292 pfacts->MaxDevices = le16_to_cpu(pfacts->MaxDevices);
3293 pfacts->PortSCSIID = le16_to_cpu(pfacts->PortSCSIID);
3294 pfacts->ProtocolFlags = le16_to_cpu(pfacts->ProtocolFlags);
3295 pfacts->MaxPostedCmdBuffers = le16_to_cpu(pfacts->MaxPostedCmdBuffers);
3296 pfacts->MaxPersistentIDs = le16_to_cpu(pfacts->MaxPersistentIDs);
3297 pfacts->MaxLanBuckets = le16_to_cpu(pfacts->MaxLanBuckets);
3298
3299 max_id = (ioc->bus_type == SAS) ? pfacts->PortSCSIID :
3300 pfacts->MaxDevices;
3301 ioc->devices_per_bus = (max_id > 255) ? 256 : max_id;
3302 ioc->number_of_buses = (ioc->devices_per_bus < 256) ? 1 : max_id/256;
3303
3304 /*
3305 * Place all the devices on channels
3306 *
3307 * (for debuging)
3308 */
3309 if (mpt_channel_mapping) {
3310 ioc->devices_per_bus = 1;
3311 ioc->number_of_buses = (max_id > 255) ? 255 : max_id;
3312 }
3313
3314 return 0;
3315}
3316
3317/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3318/**
3319 * SendIocInit - Send IOCInit request to MPT adapter.
3320 * @ioc: Pointer to MPT_ADAPTER structure
3321 * @sleepFlag: Specifies whether the process can sleep
3322 *
3323 * Send IOCInit followed by PortEnable to bring IOC to OPERATIONAL state.
3324 *
3325 * Returns 0 for success, non-zero for failure.
3326 */
3327static int
3328SendIocInit(MPT_ADAPTER *ioc, int sleepFlag)
3329{
3330 IOCInit_t ioc_init;
3331 MPIDefaultReply_t init_reply;
3332 u32 state;
3333 int r;
3334 int count;
3335 int cntdn;
3336
3337 memset(&ioc_init, 0, sizeof(ioc_init));
3338 memset(&init_reply, 0, sizeof(init_reply));
3339
3340 ioc_init.WhoInit = MPI_WHOINIT_HOST_DRIVER;
3341 ioc_init.Function = MPI_FUNCTION_IOC_INIT;
3342
3343 /* If we are in a recovery mode and we uploaded the FW image,
3344 * then this pointer is not NULL. Skip the upload a second time.
3345 * Set this flag if cached_fw set for either IOC.
3346 */
3347 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)
3348 ioc->upload_fw = 1;
3349 else
3350 ioc->upload_fw = 0;
3351 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "upload_fw %d facts.Flags=%x\n",
3352 ioc->name, ioc->upload_fw, ioc->facts.Flags));
3353
3354 ioc_init.MaxDevices = (U8)ioc->devices_per_bus;
3355 ioc_init.MaxBuses = (U8)ioc->number_of_buses;
3356
3357 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "facts.MsgVersion=%x\n",
3358 ioc->name, ioc->facts.MsgVersion));
3359 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05) {
3360 // set MsgVersion and HeaderVersion host driver was built with
3361 ioc_init.MsgVersion = cpu_to_le16(MPI_VERSION);
3362 ioc_init.HeaderVersion = cpu_to_le16(MPI_HEADER_VERSION);
3363
3364 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_HOST_PAGE_BUFFER_PERSISTENT) {
3365 ioc_init.HostPageBufferSGE = ioc->facts.HostPageBufferSGE;
3366 } else if(mpt_host_page_alloc(ioc, &ioc_init))
3367 return -99;
3368 }
3369 ioc_init.ReplyFrameSize = cpu_to_le16(ioc->reply_sz); /* in BYTES */
3370
3371 if (ioc->sg_addr_size == sizeof(u64)) {
3372 /* Save the upper 32-bits of the request
3373 * (reply) and sense buffers.
3374 */
3375 ioc_init.HostMfaHighAddr = cpu_to_le32((u32)((u64)ioc->alloc_dma >> 32));
3376 ioc_init.SenseBufferHighAddr = cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32));
3377 } else {
3378 /* Force 32-bit addressing */
3379 ioc_init.HostMfaHighAddr = cpu_to_le32(0);
3380 ioc_init.SenseBufferHighAddr = cpu_to_le32(0);
3381 }
3382
3383 ioc->facts.CurrentHostMfaHighAddr = ioc_init.HostMfaHighAddr;
3384 ioc->facts.CurrentSenseBufferHighAddr = ioc_init.SenseBufferHighAddr;
3385 ioc->facts.MaxDevices = ioc_init.MaxDevices;
3386 ioc->facts.MaxBuses = ioc_init.MaxBuses;
3387
3388 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOCInit (req @ %p)\n",
3389 ioc->name, &ioc_init));
3390
3391 r = mpt_handshake_req_reply_wait(ioc, sizeof(IOCInit_t), (u32*)&ioc_init,
3392 sizeof(MPIDefaultReply_t), (u16*)&init_reply, 10 /*seconds*/, sleepFlag);
3393 if (r != 0) {
3394 printk(MYIOC_s_ERR_FMT "Sending IOCInit failed(%d)!\n",ioc->name, r);
3395 return r;
3396 }
3397
3398 /* No need to byte swap the multibyte fields in the reply
3399 * since we don't even look at its contents.
3400 */
3401
3402 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending PortEnable (req @ %p)\n",
3403 ioc->name, &ioc_init));
3404
3405 if ((r = SendPortEnable(ioc, 0, sleepFlag)) != 0) {
3406 printk(MYIOC_s_ERR_FMT "Sending PortEnable failed(%d)!\n",ioc->name, r);
3407 return r;
3408 }
3409
3410 /* YIKES! SUPER IMPORTANT!!!
3411 * Poll IocState until _OPERATIONAL while IOC is doing
3412 * LoopInit and TargetDiscovery!
3413 */
3414 count = 0;
3415 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 60; /* 60 seconds */
3416 state = mpt_GetIocState(ioc, 1);
3417 while (state != MPI_IOC_STATE_OPERATIONAL && --cntdn) {
3418 if (sleepFlag == CAN_SLEEP) {
3419 msleep(1);
3420 } else {
3421 mdelay(1);
3422 }
3423
3424 if (!cntdn) {
3425 printk(MYIOC_s_ERR_FMT "Wait IOC_OP state timeout(%d)!\n",
3426 ioc->name, (int)((count+5)/HZ));
3427 return -9;
3428 }
3429
3430 state = mpt_GetIocState(ioc, 1);
3431 count++;
3432 }
3433 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wait IOC_OPERATIONAL state (cnt=%d)\n",
3434 ioc->name, count));
3435
3436 ioc->aen_event_read_flag=0;
3437 return r;
3438}
3439
3440/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3441/**
3442 * SendPortEnable - Send PortEnable request to MPT adapter port.
3443 * @ioc: Pointer to MPT_ADAPTER structure
3444 * @portnum: Port number to enable
3445 * @sleepFlag: Specifies whether the process can sleep
3446 *
3447 * Send PortEnable to bring IOC to OPERATIONAL state.
3448 *
3449 * Returns 0 for success, non-zero for failure.
3450 */
3451static int
3452SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag)
3453{
3454 PortEnable_t port_enable;
3455 MPIDefaultReply_t reply_buf;
3456 int rc;
3457 int req_sz;
3458 int reply_sz;
3459
3460 /* Destination... */
3461 reply_sz = sizeof(MPIDefaultReply_t);
3462 memset(&reply_buf, 0, reply_sz);
3463
3464 req_sz = sizeof(PortEnable_t);
3465 memset(&port_enable, 0, req_sz);
3466
3467 port_enable.Function = MPI_FUNCTION_PORT_ENABLE;
3468 port_enable.PortNumber = portnum;
3469/* port_enable.ChainOffset = 0; */
3470/* port_enable.MsgFlags = 0; */
3471/* port_enable.MsgContext = 0; */
3472
3473 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Port(%d)Enable (req @ %p)\n",
3474 ioc->name, portnum, &port_enable));
3475
3476 /* RAID FW may take a long time to enable
3477 */
3478 if (ioc->ir_firmware || ioc->bus_type == SAS) {
3479 rc = mpt_handshake_req_reply_wait(ioc, req_sz,
3480 (u32*)&port_enable, reply_sz, (u16*)&reply_buf,
3481 300 /*seconds*/, sleepFlag);
3482 } else {
3483 rc = mpt_handshake_req_reply_wait(ioc, req_sz,
3484 (u32*)&port_enable, reply_sz, (u16*)&reply_buf,
3485 30 /*seconds*/, sleepFlag);
3486 }
3487 return rc;
3488}
3489
3490/**
3491 * mpt_alloc_fw_memory - allocate firmware memory
3492 * @ioc: Pointer to MPT_ADAPTER structure
3493 * @size: total FW bytes
3494 *
3495 * If memory has already been allocated, the same (cached) value
3496 * is returned.
3497 *
3498 * Return 0 if successful, or non-zero for failure
3499 **/
3500int
3501mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size)
3502{
3503 int rc;
3504
3505 if (ioc->cached_fw) {
3506 rc = 0; /* use already allocated memory */
3507 goto out;
3508 }
3509 else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) {
3510 ioc->cached_fw = ioc->alt_ioc->cached_fw; /* use alt_ioc's memory */
3511 ioc->cached_fw_dma = ioc->alt_ioc->cached_fw_dma;
3512 rc = 0;
3513 goto out;
3514 }
3515 ioc->cached_fw = pci_alloc_consistent(ioc->pcidev, size, &ioc->cached_fw_dma);
3516 if (!ioc->cached_fw) {
3517 printk(MYIOC_s_ERR_FMT "Unable to allocate memory for the cached firmware image!\n",
3518 ioc->name);
3519 rc = -1;
3520 } else {
3521 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FW Image @ %p[%p], sz=%d[%x] bytes\n",
3522 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, size, size));
3523 ioc->alloc_total += size;
3524 rc = 0;
3525 }
3526 out:
3527 return rc;
3528}
3529
3530/**
3531 * mpt_free_fw_memory - free firmware memory
3532 * @ioc: Pointer to MPT_ADAPTER structure
3533 *
3534 * If alt_img is NULL, delete from ioc structure.
3535 * Else, delete a secondary image in same format.
3536 **/
3537void
3538mpt_free_fw_memory(MPT_ADAPTER *ioc)
3539{
3540 int sz;
3541
3542 if (!ioc->cached_fw)
3543 return;
3544
3545 sz = ioc->facts.FWImageSize;
3546 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "free_fw_memory: FW Image @ %p[%p], sz=%d[%x] bytes\n",
3547 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz));
3548 pci_free_consistent(ioc->pcidev, sz, ioc->cached_fw, ioc->cached_fw_dma);
3549 ioc->alloc_total -= sz;
3550 ioc->cached_fw = NULL;
3551}
3552
3553/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3554/**
3555 * mpt_do_upload - Construct and Send FWUpload request to MPT adapter port.
3556 * @ioc: Pointer to MPT_ADAPTER structure
3557 * @sleepFlag: Specifies whether the process can sleep
3558 *
3559 * Returns 0 for success, >0 for handshake failure
3560 * <0 for fw upload failure.
3561 *
3562 * Remark: If bound IOC and a successful FWUpload was performed
3563 * on the bound IOC, the second image is discarded
3564 * and memory is free'd. Both channels must upload to prevent
3565 * IOC from running in degraded mode.
3566 */
3567static int
3568mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag)
3569{
3570 u8 reply[sizeof(FWUploadReply_t)];
3571 FWUpload_t *prequest;
3572 FWUploadReply_t *preply;
3573 FWUploadTCSGE_t *ptcsge;
3574 u32 flagsLength;
3575 int ii, sz, reply_sz;
3576 int cmdStatus;
3577 int request_size;
3578 /* If the image size is 0, we are done.
3579 */
3580 if ((sz = ioc->facts.FWImageSize) == 0)
3581 return 0;
3582
3583 if (mpt_alloc_fw_memory(ioc, ioc->facts.FWImageSize) != 0)
3584 return -ENOMEM;
3585
3586 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": FW Image @ %p[%p], sz=%d[%x] bytes\n",
3587 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz));
3588
3589 prequest = (sleepFlag == NO_SLEEP) ? kzalloc(ioc->req_sz, GFP_ATOMIC) :
3590 kzalloc(ioc->req_sz, GFP_KERNEL);
3591 if (!prequest) {
3592 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "fw upload failed "
3593 "while allocating memory \n", ioc->name));
3594 mpt_free_fw_memory(ioc);
3595 return -ENOMEM;
3596 }
3597
3598 preply = (FWUploadReply_t *)&reply;
3599
3600 reply_sz = sizeof(reply);
3601 memset(preply, 0, reply_sz);
3602
3603 prequest->ImageType = MPI_FW_UPLOAD_ITYPE_FW_IOC_MEM;
3604 prequest->Function = MPI_FUNCTION_FW_UPLOAD;
3605
3606 ptcsge = (FWUploadTCSGE_t *) &prequest->SGL;
3607 ptcsge->DetailsLength = 12;
3608 ptcsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT;
3609 ptcsge->ImageSize = cpu_to_le32(sz);
3610 ptcsge++;
3611
3612 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ | sz;
3613 ioc->add_sge((char *)ptcsge, flagsLength, ioc->cached_fw_dma);
3614 request_size = offsetof(FWUpload_t, SGL) + sizeof(FWUploadTCSGE_t) +
3615 ioc->SGE_size;
3616 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending FW Upload "
3617 " (req @ %p) fw_size=%d mf_request_size=%d\n", ioc->name, prequest,
3618 ioc->facts.FWImageSize, request_size));
3619 DBG_DUMP_FW_REQUEST_FRAME(ioc, (u32 *)prequest);
3620
3621 ii = mpt_handshake_req_reply_wait(ioc, request_size, (u32 *)prequest,
3622 reply_sz, (u16 *)preply, 65 /*seconds*/, sleepFlag);
3623
3624 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FW Upload completed "
3625 "rc=%x \n", ioc->name, ii));
3626
3627 cmdStatus = -EFAULT;
3628 if (ii == 0) {
3629 /* Handshake transfer was complete and successful.
3630 * Check the Reply Frame.
3631 */
3632 int status;
3633 status = le16_to_cpu(preply->IOCStatus) &
3634 MPI_IOCSTATUS_MASK;
3635 if (status == MPI_IOCSTATUS_SUCCESS &&
3636 ioc->facts.FWImageSize ==
3637 le32_to_cpu(preply->ActualImageSize))
3638 cmdStatus = 0;
3639 }
3640 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": do_upload cmdStatus=%d \n",
3641 ioc->name, cmdStatus));
3642
3643
3644 if (cmdStatus) {
3645 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "fw upload failed, "
3646 "freeing image \n", ioc->name));
3647 mpt_free_fw_memory(ioc);
3648 }
3649 kfree(prequest);
3650
3651 return cmdStatus;
3652}
3653
3654/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3655/**
3656 * mpt_downloadboot - DownloadBoot code
3657 * @ioc: Pointer to MPT_ADAPTER structure
3658 * @pFwHeader: Pointer to firmware header info
3659 * @sleepFlag: Specifies whether the process can sleep
3660 *
3661 * FwDownloadBoot requires Programmed IO access.
3662 *
3663 * Returns 0 for success
3664 * -1 FW Image size is 0
3665 * -2 No valid cached_fw Pointer
3666 * <0 for fw upload failure.
3667 */
3668static int
3669mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag)
3670{
3671 MpiExtImageHeader_t *pExtImage;
3672 u32 fwSize;
3673 u32 diag0val;
3674 int count;
3675 u32 *ptrFw;
3676 u32 diagRwData;
3677 u32 nextImage;
3678 u32 load_addr;
3679 u32 ioc_state=0;
3680
3681 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot: fw size 0x%x (%d), FW Ptr %p\n",
3682 ioc->name, pFwHeader->ImageSize, pFwHeader->ImageSize, pFwHeader));
3683
3684 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3685 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
3686 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
3687 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
3688 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
3689 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
3690
3691 CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM));
3692
3693 /* wait 1 msec */
3694 if (sleepFlag == CAN_SLEEP) {
3695 msleep(1);
3696 } else {
3697 mdelay (1);
3698 }
3699
3700 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3701 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER);
3702
3703 for (count = 0; count < 30; count ++) {
3704 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3705 if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) {
3706 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RESET_ADAPTER cleared, count=%d\n",
3707 ioc->name, count));
3708 break;
3709 }
3710 /* wait .1 sec */
3711 if (sleepFlag == CAN_SLEEP) {
3712 msleep (100);
3713 } else {
3714 mdelay (100);
3715 }
3716 }
3717
3718 if ( count == 30 ) {
3719 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot failed! "
3720 "Unable to get MPI_DIAG_DRWE mode, diag0val=%x\n",
3721 ioc->name, diag0val));
3722 return -3;
3723 }
3724
3725 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3726 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
3727 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
3728 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
3729 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
3730 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
3731
3732 /* Set the DiagRwEn and Disable ARM bits */
3733 CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_RW_ENABLE | MPI_DIAG_DISABLE_ARM));
3734
3735 fwSize = (pFwHeader->ImageSize + 3)/4;
3736 ptrFw = (u32 *) pFwHeader;
3737
3738 /* Write the LoadStartAddress to the DiagRw Address Register
3739 * using Programmed IO
3740 */
3741 if (ioc->errata_flag_1064)
3742 pci_enable_io_access(ioc->pcidev);
3743
3744 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->LoadStartAddress);
3745 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "LoadStart addr written 0x%x \n",
3746 ioc->name, pFwHeader->LoadStartAddress));
3747
3748 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write FW Image: 0x%x bytes @ %p\n",
3749 ioc->name, fwSize*4, ptrFw));
3750 while (fwSize--) {
3751 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++);
3752 }
3753
3754 nextImage = pFwHeader->NextImageHeaderOffset;
3755 while (nextImage) {
3756 pExtImage = (MpiExtImageHeader_t *) ((char *)pFwHeader + nextImage);
3757
3758 load_addr = pExtImage->LoadStartAddress;
3759
3760 fwSize = (pExtImage->ImageSize + 3) >> 2;
3761 ptrFw = (u32 *)pExtImage;
3762
3763 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write Ext Image: 0x%x (%d) bytes @ %p load_addr=%x\n",
3764 ioc->name, fwSize*4, fwSize*4, ptrFw, load_addr));
3765 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, load_addr);
3766
3767 while (fwSize--) {
3768 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++);
3769 }
3770 nextImage = pExtImage->NextImageHeaderOffset;
3771 }
3772
3773 /* Write the IopResetVectorRegAddr */
3774 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Addr=%x! \n", ioc->name, pFwHeader->IopResetRegAddr));
3775 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->IopResetRegAddr);
3776
3777 /* Write the IopResetVectorValue */
3778 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Value=%x! \n", ioc->name, pFwHeader->IopResetVectorValue));
3779 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, pFwHeader->IopResetVectorValue);
3780
3781 /* Clear the internal flash bad bit - autoincrementing register,
3782 * so must do two writes.
3783 */
3784 if (ioc->bus_type == SPI) {
3785 /*
3786 * 1030 and 1035 H/W errata, workaround to access
3787 * the ClearFlashBadSignatureBit
3788 */
3789 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000);
3790 diagRwData = CHIPREG_PIO_READ32(&ioc->pio_chip->DiagRwData);
3791 diagRwData |= 0x40000000;
3792 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000);
3793 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, diagRwData);
3794
3795 } else /* if((ioc->bus_type == SAS) || (ioc->bus_type == FC)) */ {
3796 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3797 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val |
3798 MPI_DIAG_CLEAR_FLASH_BAD_SIG);
3799
3800 /* wait 1 msec */
3801 if (sleepFlag == CAN_SLEEP) {
3802 msleep (1);
3803 } else {
3804 mdelay (1);
3805 }
3806 }
3807
3808 if (ioc->errata_flag_1064)
3809 pci_disable_io_access(ioc->pcidev);
3810
3811 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3812 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot diag0val=%x, "
3813 "turning off PREVENT_IOC_BOOT, DISABLE_ARM, RW_ENABLE\n",
3814 ioc->name, diag0val));
3815 diag0val &= ~(MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM | MPI_DIAG_RW_ENABLE);
3816 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot now diag0val=%x\n",
3817 ioc->name, diag0val));
3818 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val);
3819
3820 /* Write 0xFF to reset the sequencer */
3821 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3822
3823 if (ioc->bus_type == SAS) {
3824 ioc_state = mpt_GetIocState(ioc, 0);
3825 if ( (GetIocFacts(ioc, sleepFlag,
3826 MPT_HOSTEVENT_IOC_BRINGUP)) != 0 ) {
3827 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "GetIocFacts failed: IocState=%x\n",
3828 ioc->name, ioc_state));
3829 return -EFAULT;
3830 }
3831 }
3832
3833 for (count=0; count<HZ*20; count++) {
3834 if ((ioc_state = mpt_GetIocState(ioc, 0)) & MPI_IOC_STATE_READY) {
3835 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3836 "downloadboot successful! (count=%d) IocState=%x\n",
3837 ioc->name, count, ioc_state));
3838 if (ioc->bus_type == SAS) {
3839 return 0;
3840 }
3841 if ((SendIocInit(ioc, sleepFlag)) != 0) {
3842 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3843 "downloadboot: SendIocInit failed\n",
3844 ioc->name));
3845 return -EFAULT;
3846 }
3847 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3848 "downloadboot: SendIocInit successful\n",
3849 ioc->name));
3850 return 0;
3851 }
3852 if (sleepFlag == CAN_SLEEP) {
3853 msleep (10);
3854 } else {
3855 mdelay (10);
3856 }
3857 }
3858 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3859 "downloadboot failed! IocState=%x\n",ioc->name, ioc_state));
3860 return -EFAULT;
3861}
3862
3863/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3864/**
3865 * KickStart - Perform hard reset of MPT adapter.
3866 * @ioc: Pointer to MPT_ADAPTER structure
3867 * @force: Force hard reset
3868 * @sleepFlag: Specifies whether the process can sleep
3869 *
3870 * This routine places MPT adapter in diagnostic mode via the
3871 * WriteSequence register, and then performs a hard reset of adapter
3872 * via the Diagnostic register.
3873 *
3874 * Inputs: sleepflag - CAN_SLEEP (non-interrupt thread)
3875 * or NO_SLEEP (interrupt thread, use mdelay)
3876 * force - 1 if doorbell active, board fault state
3877 * board operational, IOC_RECOVERY or
3878 * IOC_BRINGUP and there is an alt_ioc.
3879 * 0 else
3880 *
3881 * Returns:
3882 * 1 - hard reset, READY
3883 * 0 - no reset due to History bit, READY
3884 * -1 - no reset due to History bit but not READY
3885 * OR reset but failed to come READY
3886 * -2 - no reset, could not enter DIAG mode
3887 * -3 - reset but bad FW bit
3888 */
3889static int
3890KickStart(MPT_ADAPTER *ioc, int force, int sleepFlag)
3891{
3892 int hard_reset_done = 0;
3893 u32 ioc_state=0;
3894 int cnt,cntdn;
3895
3896 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStarting!\n", ioc->name));
3897 if (ioc->bus_type == SPI) {
3898 /* Always issue a Msg Unit Reset first. This will clear some
3899 * SCSI bus hang conditions.
3900 */
3901 SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag);
3902
3903 if (sleepFlag == CAN_SLEEP) {
3904 msleep (1000);
3905 } else {
3906 mdelay (1000);
3907 }
3908 }
3909
3910 hard_reset_done = mpt_diag_reset(ioc, force, sleepFlag);
3911 if (hard_reset_done < 0)
3912 return hard_reset_done;
3913
3914 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset successful!\n",
3915 ioc->name));
3916
3917 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 2; /* 2 seconds */
3918 for (cnt=0; cnt<cntdn; cnt++) {
3919 ioc_state = mpt_GetIocState(ioc, 1);
3920 if ((ioc_state == MPI_IOC_STATE_READY) || (ioc_state == MPI_IOC_STATE_OPERATIONAL)) {
3921 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStart successful! (cnt=%d)\n",
3922 ioc->name, cnt));
3923 return hard_reset_done;
3924 }
3925 if (sleepFlag == CAN_SLEEP) {
3926 msleep (10);
3927 } else {
3928 mdelay (10);
3929 }
3930 }
3931
3932 dinitprintk(ioc, printk(MYIOC_s_ERR_FMT "Failed to come READY after reset! IocState=%x\n",
3933 ioc->name, mpt_GetIocState(ioc, 0)));
3934 return -1;
3935}
3936
3937/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3938/**
3939 * mpt_diag_reset - Perform hard reset of the adapter.
3940 * @ioc: Pointer to MPT_ADAPTER structure
3941 * @ignore: Set if to honor and clear to ignore
3942 * the reset history bit
3943 * @sleepFlag: CAN_SLEEP if called in a non-interrupt thread,
3944 * else set to NO_SLEEP (use mdelay instead)
3945 *
3946 * This routine places the adapter in diagnostic mode via the
3947 * WriteSequence register and then performs a hard reset of adapter
3948 * via the Diagnostic register. Adapter should be in ready state
3949 * upon successful completion.
3950 *
3951 * Returns: 1 hard reset successful
3952 * 0 no reset performed because reset history bit set
3953 * -2 enabling diagnostic mode failed
3954 * -3 diagnostic reset failed
3955 */
3956static int
3957mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
3958{
3959 u32 diag0val;
3960 u32 doorbell;
3961 int hard_reset_done = 0;
3962 int count = 0;
3963 u32 diag1val = 0;
3964 MpiFwHeader_t *cached_fw; /* Pointer to FW */
3965 u8 cb_idx;
3966
3967 /* Clear any existing interrupts */
3968 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
3969
3970 if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) {
3971
3972 if (!ignore)
3973 return 0;
3974
3975 drsprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: Doorbell=%p; 1078 reset "
3976 "address=%p\n", ioc->name, __func__,
3977 &ioc->chip->Doorbell, &ioc->chip->Reset_1078));
3978 CHIPREG_WRITE32(&ioc->chip->Reset_1078, 0x07);
3979 if (sleepFlag == CAN_SLEEP)
3980 msleep(1);
3981 else
3982 mdelay(1);
3983
3984 /*
3985 * Call each currently registered protocol IOC reset handler
3986 * with pre-reset indication.
3987 * NOTE: If we're doing _IOC_BRINGUP, there can be no
3988 * MptResetHandlers[] registered yet.
3989 */
3990 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
3991 if (MptResetHandlers[cb_idx])
3992 (*(MptResetHandlers[cb_idx]))(ioc,
3993 MPT_IOC_PRE_RESET);
3994 }
3995
3996 for (count = 0; count < 60; count ++) {
3997 doorbell = CHIPREG_READ32(&ioc->chip->Doorbell);
3998 doorbell &= MPI_IOC_STATE_MASK;
3999
4000 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4001 "looking for READY STATE: doorbell=%x"
4002 " count=%d\n",
4003 ioc->name, doorbell, count));
4004
4005 if (doorbell == MPI_IOC_STATE_READY) {
4006 return 1;
4007 }
4008
4009 /* wait 1 sec */
4010 if (sleepFlag == CAN_SLEEP)
4011 msleep(1000);
4012 else
4013 mdelay(1000);
4014 }
4015 return -1;
4016 }
4017
4018 /* Use "Diagnostic reset" method! (only thing available!) */
4019 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4020
4021 if (ioc->debug_level & MPT_DEBUG) {
4022 if (ioc->alt_ioc)
4023 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
4024 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG1: diag0=%08x, diag1=%08x\n",
4025 ioc->name, diag0val, diag1val));
4026 }
4027
4028 /* Do the reset if we are told to ignore the reset history
4029 * or if the reset history is 0
4030 */
4031 if (ignore || !(diag0val & MPI_DIAG_RESET_HISTORY)) {
4032 while ((diag0val & MPI_DIAG_DRWE) == 0) {
4033 /* Write magic sequence to WriteSequence register
4034 * Loop until in diagnostic mode
4035 */
4036 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
4037 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
4038 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
4039 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
4040 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
4041 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
4042
4043 /* wait 100 msec */
4044 if (sleepFlag == CAN_SLEEP) {
4045 msleep (100);
4046 } else {
4047 mdelay (100);
4048 }
4049
4050 count++;
4051 if (count > 20) {
4052 printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n",
4053 ioc->name, diag0val);
4054 return -2;
4055
4056 }
4057
4058 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4059
4060 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wrote magic DiagWriteEn sequence (%x)\n",
4061 ioc->name, diag0val));
4062 }
4063
4064 if (ioc->debug_level & MPT_DEBUG) {
4065 if (ioc->alt_ioc)
4066 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
4067 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG2: diag0=%08x, diag1=%08x\n",
4068 ioc->name, diag0val, diag1val));
4069 }
4070 /*
4071 * Disable the ARM (Bug fix)
4072 *
4073 */
4074 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_DISABLE_ARM);
4075 mdelay(1);
4076
4077 /*
4078 * Now hit the reset bit in the Diagnostic register
4079 * (THE BIG HAMMER!) (Clears DRWE bit).
4080 */
4081 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER);
4082 hard_reset_done = 1;
4083 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset performed\n",
4084 ioc->name));
4085
4086 /*
4087 * Call each currently registered protocol IOC reset handler
4088 * with pre-reset indication.
4089 * NOTE: If we're doing _IOC_BRINGUP, there can be no
4090 * MptResetHandlers[] registered yet.
4091 */
4092 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
4093 if (MptResetHandlers[cb_idx]) {
4094 mpt_signal_reset(cb_idx,
4095 ioc, MPT_IOC_PRE_RESET);
4096 if (ioc->alt_ioc) {
4097 mpt_signal_reset(cb_idx,
4098 ioc->alt_ioc, MPT_IOC_PRE_RESET);
4099 }
4100 }
4101 }
4102
4103 if (ioc->cached_fw)
4104 cached_fw = (MpiFwHeader_t *)ioc->cached_fw;
4105 else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw)
4106 cached_fw = (MpiFwHeader_t *)ioc->alt_ioc->cached_fw;
4107 else
4108 cached_fw = NULL;
4109 if (cached_fw) {
4110 /* If the DownloadBoot operation fails, the
4111 * IOC will be left unusable. This is a fatal error
4112 * case. _diag_reset will return < 0
4113 */
4114 for (count = 0; count < 30; count ++) {
4115 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4116 if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) {
4117 break;
4118 }
4119
4120 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "cached_fw: diag0val=%x count=%d\n",
4121 ioc->name, diag0val, count));
4122 /* wait 1 sec */
4123 if (sleepFlag == CAN_SLEEP) {
4124 msleep (1000);
4125 } else {
4126 mdelay (1000);
4127 }
4128 }
4129 if ((count = mpt_downloadboot(ioc, cached_fw, sleepFlag)) < 0) {
4130 printk(MYIOC_s_WARN_FMT
4131 "firmware downloadboot failure (%d)!\n", ioc->name, count);
4132 }
4133
4134 } else {
4135 /* Wait for FW to reload and for board
4136 * to go to the READY state.
4137 * Maximum wait is 60 seconds.
4138 * If fail, no error will check again
4139 * with calling program.
4140 */
4141 for (count = 0; count < 60; count ++) {
4142 doorbell = CHIPREG_READ32(&ioc->chip->Doorbell);
4143 doorbell &= MPI_IOC_STATE_MASK;
4144
4145 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4146 "looking for READY STATE: doorbell=%x"
4147 " count=%d\n", ioc->name, doorbell, count));
4148
4149 if (doorbell == MPI_IOC_STATE_READY) {
4150 break;
4151 }
4152
4153 /* wait 1 sec */
4154 if (sleepFlag == CAN_SLEEP) {
4155 msleep (1000);
4156 } else {
4157 mdelay (1000);
4158 }
4159 }
4160
4161 if (doorbell != MPI_IOC_STATE_READY)
4162 printk(MYIOC_s_ERR_FMT "Failed to come READY "
4163 "after reset! IocState=%x", ioc->name,
4164 doorbell);
4165 }
4166 }
4167
4168 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4169 if (ioc->debug_level & MPT_DEBUG) {
4170 if (ioc->alt_ioc)
4171 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
4172 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG3: diag0=%08x, diag1=%08x\n",
4173 ioc->name, diag0val, diag1val));
4174 }
4175
4176 /* Clear RESET_HISTORY bit! Place board in the
4177 * diagnostic mode to update the diag register.
4178 */
4179 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4180 count = 0;
4181 while ((diag0val & MPI_DIAG_DRWE) == 0) {
4182 /* Write magic sequence to WriteSequence register
4183 * Loop until in diagnostic mode
4184 */
4185 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
4186 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
4187 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
4188 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
4189 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
4190 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
4191
4192 /* wait 100 msec */
4193 if (sleepFlag == CAN_SLEEP) {
4194 msleep (100);
4195 } else {
4196 mdelay (100);
4197 }
4198
4199 count++;
4200 if (count > 20) {
4201 printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n",
4202 ioc->name, diag0val);
4203 break;
4204 }
4205 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4206 }
4207 diag0val &= ~MPI_DIAG_RESET_HISTORY;
4208 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val);
4209 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4210 if (diag0val & MPI_DIAG_RESET_HISTORY) {
4211 printk(MYIOC_s_WARN_FMT "ResetHistory bit failed to clear!\n",
4212 ioc->name);
4213 }
4214
4215 /* Disable Diagnostic Mode
4216 */
4217 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFFFFFFFF);
4218
4219 /* Check FW reload status flags.
4220 */
4221 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4222 if (diag0val & (MPI_DIAG_FLASH_BAD_SIG | MPI_DIAG_RESET_ADAPTER | MPI_DIAG_DISABLE_ARM)) {
4223 printk(MYIOC_s_ERR_FMT "Diagnostic reset FAILED! (%02xh)\n",
4224 ioc->name, diag0val);
4225 return -3;
4226 }
4227
4228 if (ioc->debug_level & MPT_DEBUG) {
4229 if (ioc->alt_ioc)
4230 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
4231 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG4: diag0=%08x, diag1=%08x\n",
4232 ioc->name, diag0val, diag1val));
4233 }
4234
4235 /*
4236 * Reset flag that says we've enabled event notification
4237 */
4238 ioc->facts.EventState = 0;
4239
4240 if (ioc->alt_ioc)
4241 ioc->alt_ioc->facts.EventState = 0;
4242
4243 return hard_reset_done;
4244}
4245
4246/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4247/**
4248 * SendIocReset - Send IOCReset request to MPT adapter.
4249 * @ioc: Pointer to MPT_ADAPTER structure
4250 * @reset_type: reset type, expected values are
4251 * %MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET or %MPI_FUNCTION_IO_UNIT_RESET
4252 * @sleepFlag: Specifies whether the process can sleep
4253 *
4254 * Send IOCReset request to the MPT adapter.
4255 *
4256 * Returns 0 for success, non-zero for failure.
4257 */
4258static int
4259SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag)
4260{
4261 int r;
4262 u32 state;
4263 int cntdn, count;
4264
4265 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOC reset(0x%02x)!\n",
4266 ioc->name, reset_type));
4267 CHIPREG_WRITE32(&ioc->chip->Doorbell, reset_type<<MPI_DOORBELL_FUNCTION_SHIFT);
4268 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
4269 return r;
4270
4271 /* FW ACK'd request, wait for READY state
4272 */
4273 count = 0;
4274 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 15; /* 15 seconds */
4275
4276 while ((state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) {
4277 cntdn--;
4278 count++;
4279 if (!cntdn) {
4280 if (sleepFlag != CAN_SLEEP)
4281 count *= 10;
4282
4283 printk(MYIOC_s_ERR_FMT
4284 "Wait IOC_READY state (0x%x) timeout(%d)!\n",
4285 ioc->name, state, (int)((count+5)/HZ));
4286 return -ETIME;
4287 }
4288
4289 if (sleepFlag == CAN_SLEEP) {
4290 msleep(1);
4291 } else {
4292 mdelay (1); /* 1 msec delay */
4293 }
4294 }
4295
4296 /* TODO!
4297 * Cleanup all event stuff for this IOC; re-issue EventNotification
4298 * request if needed.
4299 */
4300 if (ioc->facts.Function)
4301 ioc->facts.EventState = 0;
4302
4303 return 0;
4304}
4305
4306/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4307/**
4308 * initChainBuffers - Allocate memory for and initialize chain buffers
4309 * @ioc: Pointer to MPT_ADAPTER structure
4310 *
4311 * Allocates memory for and initializes chain buffers,
4312 * chain buffer control arrays and spinlock.
4313 */
4314static int
4315initChainBuffers(MPT_ADAPTER *ioc)
4316{
4317 u8 *mem;
4318 int sz, ii, num_chain;
4319 int scale, num_sge, numSGE;
4320
4321 /* ReqToChain size must equal the req_depth
4322 * index = req_idx
4323 */
4324 if (ioc->ReqToChain == NULL) {
4325 sz = ioc->req_depth * sizeof(int);
4326 mem = kmalloc(sz, GFP_ATOMIC);
4327 if (mem == NULL)
4328 return -1;
4329
4330 ioc->ReqToChain = (int *) mem;
4331 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReqToChain alloc @ %p, sz=%d bytes\n",
4332 ioc->name, mem, sz));
4333 mem = kmalloc(sz, GFP_ATOMIC);
4334 if (mem == NULL)
4335 return -1;
4336
4337 ioc->RequestNB = (int *) mem;
4338 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestNB alloc @ %p, sz=%d bytes\n",
4339 ioc->name, mem, sz));
4340 }
4341 for (ii = 0; ii < ioc->req_depth; ii++) {
4342 ioc->ReqToChain[ii] = MPT_HOST_NO_CHAIN;
4343 }
4344
4345 /* ChainToChain size must equal the total number
4346 * of chain buffers to be allocated.
4347 * index = chain_idx
4348 *
4349 * Calculate the number of chain buffers needed(plus 1) per I/O
4350 * then multiply the maximum number of simultaneous cmds
4351 *
4352 * num_sge = num sge in request frame + last chain buffer
4353 * scale = num sge per chain buffer if no chain element
4354 */
4355 scale = ioc->req_sz / ioc->SGE_size;
4356 if (ioc->sg_addr_size == sizeof(u64))
4357 num_sge = scale + (ioc->req_sz - 60) / ioc->SGE_size;
4358 else
4359 num_sge = 1 + scale + (ioc->req_sz - 64) / ioc->SGE_size;
4360
4361 if (ioc->sg_addr_size == sizeof(u64)) {
4362 numSGE = (scale - 1) * (ioc->facts.MaxChainDepth-1) + scale +
4363 (ioc->req_sz - 60) / ioc->SGE_size;
4364 } else {
4365 numSGE = 1 + (scale - 1) * (ioc->facts.MaxChainDepth-1) +
4366 scale + (ioc->req_sz - 64) / ioc->SGE_size;
4367 }
4368 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "num_sge=%d numSGE=%d\n",
4369 ioc->name, num_sge, numSGE));
4370
4371 if (ioc->bus_type == FC) {
4372 if (numSGE > MPT_SCSI_FC_SG_DEPTH)
4373 numSGE = MPT_SCSI_FC_SG_DEPTH;
4374 } else {
4375 if (numSGE > MPT_SCSI_SG_DEPTH)
4376 numSGE = MPT_SCSI_SG_DEPTH;
4377 }
4378
4379 num_chain = 1;
4380 while (numSGE - num_sge > 0) {
4381 num_chain++;
4382 num_sge += (scale - 1);
4383 }
4384 num_chain++;
4385
4386 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Now numSGE=%d num_sge=%d num_chain=%d\n",
4387 ioc->name, numSGE, num_sge, num_chain));
4388
4389 if (ioc->bus_type == SPI)
4390 num_chain *= MPT_SCSI_CAN_QUEUE;
4391 else if (ioc->bus_type == SAS)
4392 num_chain *= MPT_SAS_CAN_QUEUE;
4393 else
4394 num_chain *= MPT_FC_CAN_QUEUE;
4395
4396 ioc->num_chain = num_chain;
4397
4398 sz = num_chain * sizeof(int);
4399 if (ioc->ChainToChain == NULL) {
4400 mem = kmalloc(sz, GFP_ATOMIC);
4401 if (mem == NULL)
4402 return -1;
4403
4404 ioc->ChainToChain = (int *) mem;
4405 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainToChain alloc @ %p, sz=%d bytes\n",
4406 ioc->name, mem, sz));
4407 } else {
4408 mem = (u8 *) ioc->ChainToChain;
4409 }
4410 memset(mem, 0xFF, sz);
4411 return num_chain;
4412}
4413
4414/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4415/**
4416 * PrimeIocFifos - Initialize IOC request and reply FIFOs.
4417 * @ioc: Pointer to MPT_ADAPTER structure
4418 *
4419 * This routine allocates memory for the MPT reply and request frame
4420 * pools (if necessary), and primes the IOC reply FIFO with
4421 * reply frames.
4422 *
4423 * Returns 0 for success, non-zero for failure.
4424 */
4425static int
4426PrimeIocFifos(MPT_ADAPTER *ioc)
4427{
4428 MPT_FRAME_HDR *mf;
4429 unsigned long flags;
4430 dma_addr_t alloc_dma;
4431 u8 *mem;
4432 int i, reply_sz, sz, total_size, num_chain;
4433 u64 dma_mask;
4434
4435 dma_mask = 0;
4436
4437 /* Prime reply FIFO... */
4438
4439 if (ioc->reply_frames == NULL) {
4440 if ( (num_chain = initChainBuffers(ioc)) < 0)
4441 return -1;
4442 /*
4443 * 1078 errata workaround for the 36GB limitation
4444 */
4445 if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078 &&
4446 ioc->dma_mask > DMA_BIT_MASK(35)) {
4447 if (!pci_set_dma_mask(ioc->pcidev, DMA_BIT_MASK(32))
4448 && !pci_set_consistent_dma_mask(ioc->pcidev,
4449 DMA_BIT_MASK(32))) {
4450 dma_mask = DMA_BIT_MASK(35);
4451 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4452 "setting 35 bit addressing for "
4453 "Request/Reply/Chain and Sense Buffers\n",
4454 ioc->name));
4455 } else {
4456 /*Reseting DMA mask to 64 bit*/
4457 pci_set_dma_mask(ioc->pcidev,
4458 DMA_BIT_MASK(64));
4459 pci_set_consistent_dma_mask(ioc->pcidev,
4460 DMA_BIT_MASK(64));
4461
4462 printk(MYIOC_s_ERR_FMT
4463 "failed setting 35 bit addressing for "
4464 "Request/Reply/Chain and Sense Buffers\n",
4465 ioc->name);
4466 return -1;
4467 }
4468 }
4469
4470 total_size = reply_sz = (ioc->reply_sz * ioc->reply_depth);
4471 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d bytes, ReplyDepth=%d\n",
4472 ioc->name, ioc->reply_sz, ioc->reply_depth));
4473 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d[%x] bytes\n",
4474 ioc->name, reply_sz, reply_sz));
4475
4476 sz = (ioc->req_sz * ioc->req_depth);
4477 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d bytes, RequestDepth=%d\n",
4478 ioc->name, ioc->req_sz, ioc->req_depth));
4479 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d[%x] bytes\n",
4480 ioc->name, sz, sz));
4481 total_size += sz;
4482
4483 sz = num_chain * ioc->req_sz; /* chain buffer pool size */
4484 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d bytes, ChainDepth=%d\n",
4485 ioc->name, ioc->req_sz, num_chain));
4486 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d[%x] bytes num_chain=%d\n",
4487 ioc->name, sz, sz, num_chain));
4488
4489 total_size += sz;
4490 mem = pci_alloc_consistent(ioc->pcidev, total_size, &alloc_dma);
4491 if (mem == NULL) {
4492 printk(MYIOC_s_ERR_FMT "Unable to allocate Reply, Request, Chain Buffers!\n",
4493 ioc->name);
4494 goto out_fail;
4495 }
4496
4497 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Total alloc @ %p[%p], sz=%d[%x] bytes\n",
4498 ioc->name, mem, (void *)(ulong)alloc_dma, total_size, total_size));
4499
4500 memset(mem, 0, total_size);
4501 ioc->alloc_total += total_size;
4502 ioc->alloc = mem;
4503 ioc->alloc_dma = alloc_dma;
4504 ioc->alloc_sz = total_size;
4505 ioc->reply_frames = (MPT_FRAME_HDR *) mem;
4506 ioc->reply_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF);
4507
4508 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n",
4509 ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma));
4510
4511 alloc_dma += reply_sz;
4512 mem += reply_sz;
4513
4514 /* Request FIFO - WE manage this! */
4515
4516 ioc->req_frames = (MPT_FRAME_HDR *) mem;
4517 ioc->req_frames_dma = alloc_dma;
4518
4519 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffers @ %p[%p]\n",
4520 ioc->name, mem, (void *)(ulong)alloc_dma));
4521
4522 ioc->req_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF);
4523
4524#if defined(CONFIG_MTRR) && 0
4525 /*
4526 * Enable Write Combining MTRR for IOC's memory region.
4527 * (at least as much as we can; "size and base must be
4528 * multiples of 4 kiB"
4529 */
4530 ioc->mtrr_reg = mtrr_add(ioc->req_frames_dma,
4531 sz,
4532 MTRR_TYPE_WRCOMB, 1);
4533 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MTRR region registered (base:size=%08x:%x)\n",
4534 ioc->name, ioc->req_frames_dma, sz));
4535#endif
4536
4537 for (i = 0; i < ioc->req_depth; i++) {
4538 alloc_dma += ioc->req_sz;
4539 mem += ioc->req_sz;
4540 }
4541
4542 ioc->ChainBuffer = mem;
4543 ioc->ChainBufferDMA = alloc_dma;
4544
4545 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffers @ %p(%p)\n",
4546 ioc->name, ioc->ChainBuffer, (void *)(ulong)ioc->ChainBufferDMA));
4547
4548 /* Initialize the free chain Q.
4549 */
4550
4551 INIT_LIST_HEAD(&ioc->FreeChainQ);
4552
4553 /* Post the chain buffers to the FreeChainQ.
4554 */
4555 mem = (u8 *)ioc->ChainBuffer;
4556 for (i=0; i < num_chain; i++) {
4557 mf = (MPT_FRAME_HDR *) mem;
4558 list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeChainQ);
4559 mem += ioc->req_sz;
4560 }
4561
4562 /* Initialize Request frames linked list
4563 */
4564 alloc_dma = ioc->req_frames_dma;
4565 mem = (u8 *) ioc->req_frames;
4566
4567 spin_lock_irqsave(&ioc->FreeQlock, flags);
4568 INIT_LIST_HEAD(&ioc->FreeQ);
4569 for (i = 0; i < ioc->req_depth; i++) {
4570 mf = (MPT_FRAME_HDR *) mem;
4571
4572 /* Queue REQUESTs *internally*! */
4573 list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeQ);
4574
4575 mem += ioc->req_sz;
4576 }
4577 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
4578
4579 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
4580 ioc->sense_buf_pool =
4581 pci_alloc_consistent(ioc->pcidev, sz, &ioc->sense_buf_pool_dma);
4582 if (ioc->sense_buf_pool == NULL) {
4583 printk(MYIOC_s_ERR_FMT "Unable to allocate Sense Buffers!\n",
4584 ioc->name);
4585 goto out_fail;
4586 }
4587
4588 ioc->sense_buf_low_dma = (u32) (ioc->sense_buf_pool_dma & 0xFFFFFFFF);
4589 ioc->alloc_total += sz;
4590 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SenseBuffers @ %p[%p]\n",
4591 ioc->name, ioc->sense_buf_pool, (void *)(ulong)ioc->sense_buf_pool_dma));
4592
4593 }
4594
4595 /* Post Reply frames to FIFO
4596 */
4597 alloc_dma = ioc->alloc_dma;
4598 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n",
4599 ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma));
4600
4601 for (i = 0; i < ioc->reply_depth; i++) {
4602 /* Write each address to the IOC! */
4603 CHIPREG_WRITE32(&ioc->chip->ReplyFifo, alloc_dma);
4604 alloc_dma += ioc->reply_sz;
4605 }
4606
4607 if (dma_mask == DMA_BIT_MASK(35) && !pci_set_dma_mask(ioc->pcidev,
4608 ioc->dma_mask) && !pci_set_consistent_dma_mask(ioc->pcidev,
4609 ioc->dma_mask))
4610 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4611 "restoring 64 bit addressing\n", ioc->name));
4612
4613 return 0;
4614
4615out_fail:
4616
4617 if (ioc->alloc != NULL) {
4618 sz = ioc->alloc_sz;
4619 pci_free_consistent(ioc->pcidev,
4620 sz,
4621 ioc->alloc, ioc->alloc_dma);
4622 ioc->reply_frames = NULL;
4623 ioc->req_frames = NULL;
4624 ioc->alloc_total -= sz;
4625 }
4626 if (ioc->sense_buf_pool != NULL) {
4627 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
4628 pci_free_consistent(ioc->pcidev,
4629 sz,
4630 ioc->sense_buf_pool, ioc->sense_buf_pool_dma);
4631 ioc->sense_buf_pool = NULL;
4632 }
4633
4634 if (dma_mask == DMA_BIT_MASK(35) && !pci_set_dma_mask(ioc->pcidev,
4635 DMA_BIT_MASK(64)) && !pci_set_consistent_dma_mask(ioc->pcidev,
4636 DMA_BIT_MASK(64)))
4637 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4638 "restoring 64 bit addressing\n", ioc->name));
4639
4640 return -1;
4641}
4642
4643/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4644/**
4645 * mpt_handshake_req_reply_wait - Send MPT request to and receive reply
4646 * from IOC via doorbell handshake method.
4647 * @ioc: Pointer to MPT_ADAPTER structure
4648 * @reqBytes: Size of the request in bytes
4649 * @req: Pointer to MPT request frame
4650 * @replyBytes: Expected size of the reply in bytes
4651 * @u16reply: Pointer to area where reply should be written
4652 * @maxwait: Max wait time for a reply (in seconds)
4653 * @sleepFlag: Specifies whether the process can sleep
4654 *
4655 * NOTES: It is the callers responsibility to byte-swap fields in the
4656 * request which are greater than 1 byte in size. It is also the
4657 * callers responsibility to byte-swap response fields which are
4658 * greater than 1 byte in size.
4659 *
4660 * Returns 0 for success, non-zero for failure.
4661 */
4662static int
4663mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes, u32 *req,
4664 int replyBytes, u16 *u16reply, int maxwait, int sleepFlag)
4665{
4666 MPIDefaultReply_t *mptReply;
4667 int failcnt = 0;
4668 int t;
4669
4670 /*
4671 * Get ready to cache a handshake reply
4672 */
4673 ioc->hs_reply_idx = 0;
4674 mptReply = (MPIDefaultReply_t *) ioc->hs_reply;
4675 mptReply->MsgLength = 0;
4676
4677 /*
4678 * Make sure there are no doorbells (WRITE 0 to IntStatus reg),
4679 * then tell IOC that we want to handshake a request of N words.
4680 * (WRITE u32val to Doorbell reg).
4681 */
4682 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4683 CHIPREG_WRITE32(&ioc->chip->Doorbell,
4684 ((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) |
4685 ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT)));
4686
4687 /*
4688 * Wait for IOC's doorbell handshake int
4689 */
4690 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4691 failcnt++;
4692
4693 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request start reqBytes=%d, WaitCnt=%d%s\n",
4694 ioc->name, reqBytes, t, failcnt ? " - MISSING DOORBELL HANDSHAKE!" : ""));
4695
4696 /* Read doorbell and check for active bit */
4697 if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE))
4698 return -1;
4699
4700 /*
4701 * Clear doorbell int (WRITE 0 to IntStatus reg),
4702 * then wait for IOC to ACKnowledge that it's ready for
4703 * our handshake request.
4704 */
4705 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4706 if (!failcnt && (t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
4707 failcnt++;
4708
4709 if (!failcnt) {
4710 int ii;
4711 u8 *req_as_bytes = (u8 *) req;
4712
4713 /*
4714 * Stuff request words via doorbell handshake,
4715 * with ACK from IOC for each.
4716 */
4717 for (ii = 0; !failcnt && ii < reqBytes/4; ii++) {
4718 u32 word = ((req_as_bytes[(ii*4) + 0] << 0) |
4719 (req_as_bytes[(ii*4) + 1] << 8) |
4720 (req_as_bytes[(ii*4) + 2] << 16) |
4721 (req_as_bytes[(ii*4) + 3] << 24));
4722
4723 CHIPREG_WRITE32(&ioc->chip->Doorbell, word);
4724 if ((t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
4725 failcnt++;
4726 }
4727
4728 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handshake request frame (@%p) header\n", ioc->name, req));
4729 DBG_DUMP_REQUEST_FRAME_HDR(ioc, (u32 *)req);
4730
4731 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request post done, WaitCnt=%d%s\n",
4732 ioc->name, t, failcnt ? " - MISSING DOORBELL ACK!" : ""));
4733
4734 /*
4735 * Wait for completion of doorbell handshake reply from the IOC
4736 */
4737 if (!failcnt && (t = WaitForDoorbellReply(ioc, maxwait, sleepFlag)) < 0)
4738 failcnt++;
4739
4740 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake reply count=%d%s\n",
4741 ioc->name, t, failcnt ? " - MISSING DOORBELL REPLY!" : ""));
4742
4743 /*
4744 * Copy out the cached reply...
4745 */
4746 for (ii=0; ii < min(replyBytes/2,mptReply->MsgLength*2); ii++)
4747 u16reply[ii] = ioc->hs_reply[ii];
4748 } else {
4749 return -99;
4750 }
4751
4752 return -failcnt;
4753}
4754
4755/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4756/**
4757 * WaitForDoorbellAck - Wait for IOC doorbell handshake acknowledge
4758 * @ioc: Pointer to MPT_ADAPTER structure
4759 * @howlong: How long to wait (in seconds)
4760 * @sleepFlag: Specifies whether the process can sleep
4761 *
4762 * This routine waits (up to ~2 seconds max) for IOC doorbell
4763 * handshake ACKnowledge, indicated by the IOP_DOORBELL_STATUS
4764 * bit in its IntStatus register being clear.
4765 *
4766 * Returns a negative value on failure, else wait loop count.
4767 */
4768static int
4769WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
4770{
4771 int cntdn;
4772 int count = 0;
4773 u32 intstat=0;
4774
4775 cntdn = 1000 * howlong;
4776
4777 if (sleepFlag == CAN_SLEEP) {
4778 while (--cntdn) {
4779 msleep (1);
4780 intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4781 if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
4782 break;
4783 count++;
4784 }
4785 } else {
4786 while (--cntdn) {
4787 udelay (1000);
4788 intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4789 if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
4790 break;
4791 count++;
4792 }
4793 }
4794
4795 if (cntdn) {
4796 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell ACK (count=%d)\n",
4797 ioc->name, count));
4798 return count;
4799 }
4800
4801 printk(MYIOC_s_ERR_FMT "Doorbell ACK timeout (count=%d), IntStatus=%x!\n",
4802 ioc->name, count, intstat);
4803 return -1;
4804}
4805
4806/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4807/**
4808 * WaitForDoorbellInt - Wait for IOC to set its doorbell interrupt bit
4809 * @ioc: Pointer to MPT_ADAPTER structure
4810 * @howlong: How long to wait (in seconds)
4811 * @sleepFlag: Specifies whether the process can sleep
4812 *
4813 * This routine waits (up to ~2 seconds max) for IOC doorbell interrupt
4814 * (MPI_HIS_DOORBELL_INTERRUPT) to be set in the IntStatus register.
4815 *
4816 * Returns a negative value on failure, else wait loop count.
4817 */
4818static int
4819WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
4820{
4821 int cntdn;
4822 int count = 0;
4823 u32 intstat=0;
4824
4825 cntdn = 1000 * howlong;
4826 if (sleepFlag == CAN_SLEEP) {
4827 while (--cntdn) {
4828 intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4829 if (intstat & MPI_HIS_DOORBELL_INTERRUPT)
4830 break;
4831 msleep(1);
4832 count++;
4833 }
4834 } else {
4835 while (--cntdn) {
4836 intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4837 if (intstat & MPI_HIS_DOORBELL_INTERRUPT)
4838 break;
4839 udelay (1000);
4840 count++;
4841 }
4842 }
4843
4844 if (cntdn) {
4845 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell INT (cnt=%d) howlong=%d\n",
4846 ioc->name, count, howlong));
4847 return count;
4848 }
4849
4850 printk(MYIOC_s_ERR_FMT "Doorbell INT timeout (count=%d), IntStatus=%x!\n",
4851 ioc->name, count, intstat);
4852 return -1;
4853}
4854
4855/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4856/**
4857 * WaitForDoorbellReply - Wait for and capture an IOC handshake reply.
4858 * @ioc: Pointer to MPT_ADAPTER structure
4859 * @howlong: How long to wait (in seconds)
4860 * @sleepFlag: Specifies whether the process can sleep
4861 *
4862 * This routine polls the IOC for a handshake reply, 16 bits at a time.
4863 * Reply is cached to IOC private area large enough to hold a maximum
4864 * of 128 bytes of reply data.
4865 *
4866 * Returns a negative value on failure, else size of reply in WORDS.
4867 */
4868static int
4869WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
4870{
4871 int u16cnt = 0;
4872 int failcnt = 0;
4873 int t;
4874 u16 *hs_reply = ioc->hs_reply;
4875 volatile MPIDefaultReply_t *mptReply = (MPIDefaultReply_t *) ioc->hs_reply;
4876 u16 hword;
4877
4878 hs_reply[0] = hs_reply[1] = hs_reply[7] = 0;
4879
4880 /*
4881 * Get first two u16's so we can look at IOC's intended reply MsgLength
4882 */
4883 u16cnt=0;
4884 if ((t = WaitForDoorbellInt(ioc, howlong, sleepFlag)) < 0) {
4885 failcnt++;
4886 } else {
4887 hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
4888 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4889 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4890 failcnt++;
4891 else {
4892 hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
4893 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4894 }
4895 }
4896
4897 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitCnt=%d First handshake reply word=%08x%s\n",
4898 ioc->name, t, le32_to_cpu(*(u32 *)hs_reply),
4899 failcnt ? " - MISSING DOORBELL HANDSHAKE!" : ""));
4900
4901 /*
4902 * If no error (and IOC said MsgLength is > 0), piece together
4903 * reply 16 bits at a time.
4904 */
4905 for (u16cnt=2; !failcnt && u16cnt < (2 * mptReply->MsgLength); u16cnt++) {
4906 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4907 failcnt++;
4908 hword = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
4909 /* don't overflow our IOC hs_reply[] buffer! */
4910 if (u16cnt < ARRAY_SIZE(ioc->hs_reply))
4911 hs_reply[u16cnt] = hword;
4912 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4913 }
4914
4915 if (!failcnt && (t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4916 failcnt++;
4917 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4918
4919 if (failcnt) {
4920 printk(MYIOC_s_ERR_FMT "Handshake reply failure!\n",
4921 ioc->name);
4922 return -failcnt;
4923 }
4924#if 0
4925 else if (u16cnt != (2 * mptReply->MsgLength)) {
4926 return -101;
4927 }
4928 else if ((mptReply->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
4929 return -102;
4930 }
4931#endif
4932
4933 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got Handshake reply:\n", ioc->name));
4934 DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mptReply);
4935
4936 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell REPLY WaitCnt=%d (sz=%d)\n",
4937 ioc->name, t, u16cnt/2));
4938 return u16cnt/2;
4939}
4940
4941/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4942/**
4943 * GetLanConfigPages - Fetch LANConfig pages.
4944 * @ioc: Pointer to MPT_ADAPTER structure
4945 *
4946 * Return: 0 for success
4947 * -ENOMEM if no memory available
4948 * -EPERM if not allowed due to ISR context
4949 * -EAGAIN if no msg frames currently available
4950 * -EFAULT for non-successful reply or no reply (timeout)
4951 */
4952static int
4953GetLanConfigPages(MPT_ADAPTER *ioc)
4954{
4955 ConfigPageHeader_t hdr;
4956 CONFIGPARMS cfg;
4957 LANPage0_t *ppage0_alloc;
4958 dma_addr_t page0_dma;
4959 LANPage1_t *ppage1_alloc;
4960 dma_addr_t page1_dma;
4961 int rc = 0;
4962 int data_sz;
4963 int copy_sz;
4964
4965 /* Get LAN Page 0 header */
4966 hdr.PageVersion = 0;
4967 hdr.PageLength = 0;
4968 hdr.PageNumber = 0;
4969 hdr.PageType = MPI_CONFIG_PAGETYPE_LAN;
4970 cfg.cfghdr.hdr = &hdr;
4971 cfg.physAddr = -1;
4972 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4973 cfg.dir = 0;
4974 cfg.pageAddr = 0;
4975 cfg.timeout = 0;
4976
4977 if ((rc = mpt_config(ioc, &cfg)) != 0)
4978 return rc;
4979
4980 if (hdr.PageLength > 0) {
4981 data_sz = hdr.PageLength * 4;
4982 ppage0_alloc = (LANPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
4983 rc = -ENOMEM;
4984 if (ppage0_alloc) {
4985 memset((u8 *)ppage0_alloc, 0, data_sz);
4986 cfg.physAddr = page0_dma;
4987 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4988
4989 if ((rc = mpt_config(ioc, &cfg)) == 0) {
4990 /* save the data */
4991 copy_sz = min_t(int, sizeof(LANPage0_t), data_sz);
4992 memcpy(&ioc->lan_cnfg_page0, ppage0_alloc, copy_sz);
4993
4994 }
4995
4996 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
4997
4998 /* FIXME!
4999 * Normalize endianness of structure data,
5000 * by byte-swapping all > 1 byte fields!
5001 */
5002
5003 }
5004
5005 if (rc)
5006 return rc;
5007 }
5008
5009 /* Get LAN Page 1 header */
5010 hdr.PageVersion = 0;
5011 hdr.PageLength = 0;
5012 hdr.PageNumber = 1;
5013 hdr.PageType = MPI_CONFIG_PAGETYPE_LAN;
5014 cfg.cfghdr.hdr = &hdr;
5015 cfg.physAddr = -1;
5016 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5017 cfg.dir = 0;
5018 cfg.pageAddr = 0;
5019
5020 if ((rc = mpt_config(ioc, &cfg)) != 0)
5021 return rc;
5022
5023 if (hdr.PageLength == 0)
5024 return 0;
5025
5026 data_sz = hdr.PageLength * 4;
5027 rc = -ENOMEM;
5028 ppage1_alloc = (LANPage1_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page1_dma);
5029 if (ppage1_alloc) {
5030 memset((u8 *)ppage1_alloc, 0, data_sz);
5031 cfg.physAddr = page1_dma;
5032 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5033
5034 if ((rc = mpt_config(ioc, &cfg)) == 0) {
5035 /* save the data */
5036 copy_sz = min_t(int, sizeof(LANPage1_t), data_sz);
5037 memcpy(&ioc->lan_cnfg_page1, ppage1_alloc, copy_sz);
5038 }
5039
5040 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage1_alloc, page1_dma);
5041
5042 /* FIXME!
5043 * Normalize endianness of structure data,
5044 * by byte-swapping all > 1 byte fields!
5045 */
5046
5047 }
5048
5049 return rc;
5050}
5051
5052/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5053/**
5054 * mptbase_sas_persist_operation - Perform operation on SAS Persistent Table
5055 * @ioc: Pointer to MPT_ADAPTER structure
5056 * @persist_opcode: see below
5057 *
5058 * MPI_SAS_OP_CLEAR_NOT_PRESENT - Free all persist TargetID mappings for
5059 * devices not currently present.
5060 * MPI_SAS_OP_CLEAR_ALL_PERSISTENT - Clear al persist TargetID mappings
5061 *
5062 * NOTE: Don't use not this function during interrupt time.
5063 *
5064 * Returns 0 for success, non-zero error
5065 */
5066
5067/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5068int
5069mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode)
5070{
5071 SasIoUnitControlRequest_t *sasIoUnitCntrReq;
5072 SasIoUnitControlReply_t *sasIoUnitCntrReply;
5073 MPT_FRAME_HDR *mf = NULL;
5074 MPIHeader_t *mpi_hdr;
5075 int ret = 0;
5076 unsigned long timeleft;
5077
5078 mutex_lock(&ioc->mptbase_cmds.mutex);
5079
5080 /* init the internal cmd struct */
5081 memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE);
5082 INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status)
5083
5084 /* insure garbage is not sent to fw */
5085 switch(persist_opcode) {
5086
5087 case MPI_SAS_OP_CLEAR_NOT_PRESENT:
5088 case MPI_SAS_OP_CLEAR_ALL_PERSISTENT:
5089 break;
5090
5091 default:
5092 ret = -1;
5093 goto out;
5094 }
5095
5096 printk(KERN_DEBUG "%s: persist_opcode=%x\n",
5097 __func__, persist_opcode);
5098
5099 /* Get a MF for this command.
5100 */
5101 if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
5102 printk(KERN_DEBUG "%s: no msg frames!\n", __func__);
5103 ret = -1;
5104 goto out;
5105 }
5106
5107 mpi_hdr = (MPIHeader_t *) mf;
5108 sasIoUnitCntrReq = (SasIoUnitControlRequest_t *)mf;
5109 memset(sasIoUnitCntrReq,0,sizeof(SasIoUnitControlRequest_t));
5110 sasIoUnitCntrReq->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
5111 sasIoUnitCntrReq->MsgContext = mpi_hdr->MsgContext;
5112 sasIoUnitCntrReq->Operation = persist_opcode;
5113
5114 mpt_put_msg_frame(mpt_base_index, ioc, mf);
5115 timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done, 10*HZ);
5116 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
5117 ret = -ETIME;
5118 printk(KERN_DEBUG "%s: failed\n", __func__);
5119 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
5120 goto out;
5121 if (!timeleft) {
5122 printk(MYIOC_s_WARN_FMT
5123 "Issuing Reset from %s!!, doorbell=0x%08x\n",
5124 ioc->name, __func__, mpt_GetIocState(ioc, 0));
5125 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
5126 mpt_free_msg_frame(ioc, mf);
5127 }
5128 goto out;
5129 }
5130
5131 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
5132 ret = -1;
5133 goto out;
5134 }
5135
5136 sasIoUnitCntrReply =
5137 (SasIoUnitControlReply_t *)ioc->mptbase_cmds.reply;
5138 if (le16_to_cpu(sasIoUnitCntrReply->IOCStatus) != MPI_IOCSTATUS_SUCCESS) {
5139 printk(KERN_DEBUG "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
5140 __func__, sasIoUnitCntrReply->IOCStatus,
5141 sasIoUnitCntrReply->IOCLogInfo);
5142 printk(KERN_DEBUG "%s: failed\n", __func__);
5143 ret = -1;
5144 } else
5145 printk(KERN_DEBUG "%s: success\n", __func__);
5146 out:
5147
5148 CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status)
5149 mutex_unlock(&ioc->mptbase_cmds.mutex);
5150 return ret;
5151}
5152
5153/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5154
5155static void
5156mptbase_raid_process_event_data(MPT_ADAPTER *ioc,
5157 MpiEventDataRaid_t * pRaidEventData)
5158{
5159 int volume;
5160 int reason;
5161 int disk;
5162 int status;
5163 int flags;
5164 int state;
5165
5166 volume = pRaidEventData->VolumeID;
5167 reason = pRaidEventData->ReasonCode;
5168 disk = pRaidEventData->PhysDiskNum;
5169 status = le32_to_cpu(pRaidEventData->SettingsStatus);
5170 flags = (status >> 0) & 0xff;
5171 state = (status >> 8) & 0xff;
5172
5173 if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) {
5174 return;
5175 }
5176
5177 if ((reason >= MPI_EVENT_RAID_RC_PHYSDISK_CREATED &&
5178 reason <= MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED) ||
5179 (reason == MPI_EVENT_RAID_RC_SMART_DATA)) {
5180 printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for PhysDisk %d id=%d\n",
5181 ioc->name, disk, volume);
5182 } else {
5183 printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for VolumeID %d\n",
5184 ioc->name, volume);
5185 }
5186
5187 switch(reason) {
5188 case MPI_EVENT_RAID_RC_VOLUME_CREATED:
5189 printk(MYIOC_s_INFO_FMT " volume has been created\n",
5190 ioc->name);
5191 break;
5192
5193 case MPI_EVENT_RAID_RC_VOLUME_DELETED:
5194
5195 printk(MYIOC_s_INFO_FMT " volume has been deleted\n",
5196 ioc->name);
5197 break;
5198
5199 case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED:
5200 printk(MYIOC_s_INFO_FMT " volume settings have been changed\n",
5201 ioc->name);
5202 break;
5203
5204 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
5205 printk(MYIOC_s_INFO_FMT " volume is now %s%s%s%s\n",
5206 ioc->name,
5207 state == MPI_RAIDVOL0_STATUS_STATE_OPTIMAL
5208 ? "optimal"
5209 : state == MPI_RAIDVOL0_STATUS_STATE_DEGRADED
5210 ? "degraded"
5211 : state == MPI_RAIDVOL0_STATUS_STATE_FAILED
5212 ? "failed"
5213 : "state unknown",
5214 flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED
5215 ? ", enabled" : "",
5216 flags & MPI_RAIDVOL0_STATUS_FLAG_QUIESCED
5217 ? ", quiesced" : "",
5218 flags & MPI_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
5219 ? ", resync in progress" : "" );
5220 break;
5221
5222 case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED:
5223 printk(MYIOC_s_INFO_FMT " volume membership of PhysDisk %d has changed\n",
5224 ioc->name, disk);
5225 break;
5226
5227 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
5228 printk(MYIOC_s_INFO_FMT " PhysDisk has been created\n",
5229 ioc->name);
5230 break;
5231
5232 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
5233 printk(MYIOC_s_INFO_FMT " PhysDisk has been deleted\n",
5234 ioc->name);
5235 break;
5236
5237 case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED:
5238 printk(MYIOC_s_INFO_FMT " PhysDisk settings have been changed\n",
5239 ioc->name);
5240 break;
5241
5242 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
5243 printk(MYIOC_s_INFO_FMT " PhysDisk is now %s%s%s\n",
5244 ioc->name,
5245 state == MPI_PHYSDISK0_STATUS_ONLINE
5246 ? "online"
5247 : state == MPI_PHYSDISK0_STATUS_MISSING
5248 ? "missing"
5249 : state == MPI_PHYSDISK0_STATUS_NOT_COMPATIBLE
5250 ? "not compatible"
5251 : state == MPI_PHYSDISK0_STATUS_FAILED
5252 ? "failed"
5253 : state == MPI_PHYSDISK0_STATUS_INITIALIZING
5254 ? "initializing"
5255 : state == MPI_PHYSDISK0_STATUS_OFFLINE_REQUESTED
5256 ? "offline requested"
5257 : state == MPI_PHYSDISK0_STATUS_FAILED_REQUESTED
5258 ? "failed requested"
5259 : state == MPI_PHYSDISK0_STATUS_OTHER_OFFLINE
5260 ? "offline"
5261 : "state unknown",
5262 flags & MPI_PHYSDISK0_STATUS_FLAG_OUT_OF_SYNC
5263 ? ", out of sync" : "",
5264 flags & MPI_PHYSDISK0_STATUS_FLAG_QUIESCED
5265 ? ", quiesced" : "" );
5266 break;
5267
5268 case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED:
5269 printk(MYIOC_s_INFO_FMT " Domain Validation needed for PhysDisk %d\n",
5270 ioc->name, disk);
5271 break;
5272
5273 case MPI_EVENT_RAID_RC_SMART_DATA:
5274 printk(MYIOC_s_INFO_FMT " SMART data received, ASC/ASCQ = %02xh/%02xh\n",
5275 ioc->name, pRaidEventData->ASC, pRaidEventData->ASCQ);
5276 break;
5277
5278 case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED:
5279 printk(MYIOC_s_INFO_FMT " replacement of PhysDisk %d has started\n",
5280 ioc->name, disk);
5281 break;
5282 }
5283}
5284
5285/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5286/**
5287 * GetIoUnitPage2 - Retrieve BIOS version and boot order information.
5288 * @ioc: Pointer to MPT_ADAPTER structure
5289 *
5290 * Returns: 0 for success
5291 * -ENOMEM if no memory available
5292 * -EPERM if not allowed due to ISR context
5293 * -EAGAIN if no msg frames currently available
5294 * -EFAULT for non-successful reply or no reply (timeout)
5295 */
5296static int
5297GetIoUnitPage2(MPT_ADAPTER *ioc)
5298{
5299 ConfigPageHeader_t hdr;
5300 CONFIGPARMS cfg;
5301 IOUnitPage2_t *ppage_alloc;
5302 dma_addr_t page_dma;
5303 int data_sz;
5304 int rc;
5305
5306 /* Get the page header */
5307 hdr.PageVersion = 0;
5308 hdr.PageLength = 0;
5309 hdr.PageNumber = 2;
5310 hdr.PageType = MPI_CONFIG_PAGETYPE_IO_UNIT;
5311 cfg.cfghdr.hdr = &hdr;
5312 cfg.physAddr = -1;
5313 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5314 cfg.dir = 0;
5315 cfg.pageAddr = 0;
5316 cfg.timeout = 0;
5317
5318 if ((rc = mpt_config(ioc, &cfg)) != 0)
5319 return rc;
5320
5321 if (hdr.PageLength == 0)
5322 return 0;
5323
5324 /* Read the config page */
5325 data_sz = hdr.PageLength * 4;
5326 rc = -ENOMEM;
5327 ppage_alloc = (IOUnitPage2_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma);
5328 if (ppage_alloc) {
5329 memset((u8 *)ppage_alloc, 0, data_sz);
5330 cfg.physAddr = page_dma;
5331 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5332
5333 /* If Good, save data */
5334 if ((rc = mpt_config(ioc, &cfg)) == 0)
5335 ioc->biosVersion = le32_to_cpu(ppage_alloc->BiosVersion);
5336
5337 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage_alloc, page_dma);
5338 }
5339
5340 return rc;
5341}
5342
5343/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5344/**
5345 * mpt_GetScsiPortSettings - read SCSI Port Page 0 and 2
5346 * @ioc: Pointer to a Adapter Strucutre
5347 * @portnum: IOC port number
5348 *
5349 * Return: -EFAULT if read of config page header fails
5350 * or if no nvram
5351 * If read of SCSI Port Page 0 fails,
5352 * NVRAM = MPT_HOST_NVRAM_INVALID (0xFFFFFFFF)
5353 * Adapter settings: async, narrow
5354 * Return 1
5355 * If read of SCSI Port Page 2 fails,
5356 * Adapter settings valid
5357 * NVRAM = MPT_HOST_NVRAM_INVALID (0xFFFFFFFF)
5358 * Return 1
5359 * Else
5360 * Both valid
5361 * Return 0
5362 * CHECK - what type of locking mechanisms should be used????
5363 */
5364static int
5365mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum)
5366{
5367 u8 *pbuf;
5368 dma_addr_t buf_dma;
5369 CONFIGPARMS cfg;
5370 ConfigPageHeader_t header;
5371 int ii;
5372 int data, rc = 0;
5373
5374 /* Allocate memory
5375 */
5376 if (!ioc->spi_data.nvram) {
5377 int sz;
5378 u8 *mem;
5379 sz = MPT_MAX_SCSI_DEVICES * sizeof(int);
5380 mem = kmalloc(sz, GFP_ATOMIC);
5381 if (mem == NULL)
5382 return -EFAULT;
5383
5384 ioc->spi_data.nvram = (int *) mem;
5385
5386 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SCSI device NVRAM settings @ %p, sz=%d\n",
5387 ioc->name, ioc->spi_data.nvram, sz));
5388 }
5389
5390 /* Invalidate NVRAM information
5391 */
5392 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
5393 ioc->spi_data.nvram[ii] = MPT_HOST_NVRAM_INVALID;
5394 }
5395
5396 /* Read SPP0 header, allocate memory, then read page.
5397 */
5398 header.PageVersion = 0;
5399 header.PageLength = 0;
5400 header.PageNumber = 0;
5401 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT;
5402 cfg.cfghdr.hdr = &header;
5403 cfg.physAddr = -1;
5404 cfg.pageAddr = portnum;
5405 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5406 cfg.dir = 0;
5407 cfg.timeout = 0; /* use default */
5408 if (mpt_config(ioc, &cfg) != 0)
5409 return -EFAULT;
5410
5411 if (header.PageLength > 0) {
5412 pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma);
5413 if (pbuf) {
5414 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5415 cfg.physAddr = buf_dma;
5416 if (mpt_config(ioc, &cfg) != 0) {
5417 ioc->spi_data.maxBusWidth = MPT_NARROW;
5418 ioc->spi_data.maxSyncOffset = 0;
5419 ioc->spi_data.minSyncFactor = MPT_ASYNC;
5420 ioc->spi_data.busType = MPT_HOST_BUS_UNKNOWN;
5421 rc = 1;
5422 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5423 "Unable to read PortPage0 minSyncFactor=%x\n",
5424 ioc->name, ioc->spi_data.minSyncFactor));
5425 } else {
5426 /* Save the Port Page 0 data
5427 */
5428 SCSIPortPage0_t *pPP0 = (SCSIPortPage0_t *) pbuf;
5429 pPP0->Capabilities = le32_to_cpu(pPP0->Capabilities);
5430 pPP0->PhysicalInterface = le32_to_cpu(pPP0->PhysicalInterface);
5431
5432 if ( (pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_QAS) == 0 ) {
5433 ioc->spi_data.noQas |= MPT_TARGET_NO_NEGO_QAS;
5434 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5435 "noQas due to Capabilities=%x\n",
5436 ioc->name, pPP0->Capabilities));
5437 }
5438 ioc->spi_data.maxBusWidth = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_WIDE ? 1 : 0;
5439 data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MAX_SYNC_OFFSET_MASK;
5440 if (data) {
5441 ioc->spi_data.maxSyncOffset = (u8) (data >> 16);
5442 data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MIN_SYNC_PERIOD_MASK;
5443 ioc->spi_data.minSyncFactor = (u8) (data >> 8);
5444 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5445 "PortPage0 minSyncFactor=%x\n",
5446 ioc->name, ioc->spi_data.minSyncFactor));
5447 } else {
5448 ioc->spi_data.maxSyncOffset = 0;
5449 ioc->spi_data.minSyncFactor = MPT_ASYNC;
5450 }
5451
5452 ioc->spi_data.busType = pPP0->PhysicalInterface & MPI_SCSIPORTPAGE0_PHY_SIGNAL_TYPE_MASK;
5453
5454 /* Update the minSyncFactor based on bus type.
5455 */
5456 if ((ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_HVD) ||
5457 (ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_SE)) {
5458
5459 if (ioc->spi_data.minSyncFactor < MPT_ULTRA) {
5460 ioc->spi_data.minSyncFactor = MPT_ULTRA;
5461 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5462 "HVD or SE detected, minSyncFactor=%x\n",
5463 ioc->name, ioc->spi_data.minSyncFactor));
5464 }
5465 }
5466 }
5467 if (pbuf) {
5468 pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma);
5469 }
5470 }
5471 }
5472
5473 /* SCSI Port Page 2 - Read the header then the page.
5474 */
5475 header.PageVersion = 0;
5476 header.PageLength = 0;
5477 header.PageNumber = 2;
5478 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT;
5479 cfg.cfghdr.hdr = &header;
5480 cfg.physAddr = -1;
5481 cfg.pageAddr = portnum;
5482 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5483 cfg.dir = 0;
5484 if (mpt_config(ioc, &cfg) != 0)
5485 return -EFAULT;
5486
5487 if (header.PageLength > 0) {
5488 /* Allocate memory and read SCSI Port Page 2
5489 */
5490 pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma);
5491 if (pbuf) {
5492 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_NVRAM;
5493 cfg.physAddr = buf_dma;
5494 if (mpt_config(ioc, &cfg) != 0) {
5495 /* Nvram data is left with INVALID mark
5496 */
5497 rc = 1;
5498 } else if (ioc->pcidev->vendor == PCI_VENDOR_ID_ATTO) {
5499
5500 /* This is an ATTO adapter, read Page2 accordingly
5501 */
5502 ATTO_SCSIPortPage2_t *pPP2 = (ATTO_SCSIPortPage2_t *) pbuf;
5503 ATTODeviceInfo_t *pdevice = NULL;
5504 u16 ATTOFlags;
5505
5506 /* Save the Port Page 2 data
5507 * (reformat into a 32bit quantity)
5508 */
5509 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
5510 pdevice = &pPP2->DeviceSettings[ii];
5511 ATTOFlags = le16_to_cpu(pdevice->ATTOFlags);
5512 data = 0;
5513
5514 /* Translate ATTO device flags to LSI format
5515 */
5516 if (ATTOFlags & ATTOFLAG_DISC)
5517 data |= (MPI_SCSIPORTPAGE2_DEVICE_DISCONNECT_ENABLE);
5518 if (ATTOFlags & ATTOFLAG_ID_ENB)
5519 data |= (MPI_SCSIPORTPAGE2_DEVICE_ID_SCAN_ENABLE);
5520 if (ATTOFlags & ATTOFLAG_LUN_ENB)
5521 data |= (MPI_SCSIPORTPAGE2_DEVICE_LUN_SCAN_ENABLE);
5522 if (ATTOFlags & ATTOFLAG_TAGGED)
5523 data |= (MPI_SCSIPORTPAGE2_DEVICE_TAG_QUEUE_ENABLE);
5524 if (!(ATTOFlags & ATTOFLAG_WIDE_ENB))
5525 data |= (MPI_SCSIPORTPAGE2_DEVICE_WIDE_DISABLE);
5526
5527 data = (data << 16) | (pdevice->Period << 8) | 10;
5528 ioc->spi_data.nvram[ii] = data;
5529 }
5530 } else {
5531 SCSIPortPage2_t *pPP2 = (SCSIPortPage2_t *) pbuf;
5532 MpiDeviceInfo_t *pdevice = NULL;
5533
5534 /*
5535 * Save "Set to Avoid SCSI Bus Resets" flag
5536 */
5537 ioc->spi_data.bus_reset =
5538 (le32_to_cpu(pPP2->PortFlags) &
5539 MPI_SCSIPORTPAGE2_PORT_FLAGS_AVOID_SCSI_RESET) ?
5540 0 : 1 ;
5541
5542 /* Save the Port Page 2 data
5543 * (reformat into a 32bit quantity)
5544 */
5545 data = le32_to_cpu(pPP2->PortFlags) & MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK;
5546 ioc->spi_data.PortFlags = data;
5547 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
5548 pdevice = &pPP2->DeviceSettings[ii];
5549 data = (le16_to_cpu(pdevice->DeviceFlags) << 16) |
5550 (pdevice->SyncFactor << 8) | pdevice->Timeout;
5551 ioc->spi_data.nvram[ii] = data;
5552 }
5553 }
5554
5555 pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma);
5556 }
5557 }
5558
5559 /* Update Adapter limits with those from NVRAM
5560 * Comment: Don't need to do this. Target performance
5561 * parameters will never exceed the adapters limits.
5562 */
5563
5564 return rc;
5565}
5566
5567/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5568/**
5569 * mpt_readScsiDevicePageHeaders - save version and length of SDP1
5570 * @ioc: Pointer to a Adapter Strucutre
5571 * @portnum: IOC port number
5572 *
5573 * Return: -EFAULT if read of config page header fails
5574 * or 0 if success.
5575 */
5576static int
5577mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum)
5578{
5579 CONFIGPARMS cfg;
5580 ConfigPageHeader_t header;
5581
5582 /* Read the SCSI Device Page 1 header
5583 */
5584 header.PageVersion = 0;
5585 header.PageLength = 0;
5586 header.PageNumber = 1;
5587 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
5588 cfg.cfghdr.hdr = &header;
5589 cfg.physAddr = -1;
5590 cfg.pageAddr = portnum;
5591 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5592 cfg.dir = 0;
5593 cfg.timeout = 0;
5594 if (mpt_config(ioc, &cfg) != 0)
5595 return -EFAULT;
5596
5597 ioc->spi_data.sdp1version = cfg.cfghdr.hdr->PageVersion;
5598 ioc->spi_data.sdp1length = cfg.cfghdr.hdr->PageLength;
5599
5600 header.PageVersion = 0;
5601 header.PageLength = 0;
5602 header.PageNumber = 0;
5603 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
5604 if (mpt_config(ioc, &cfg) != 0)
5605 return -EFAULT;
5606
5607 ioc->spi_data.sdp0version = cfg.cfghdr.hdr->PageVersion;
5608 ioc->spi_data.sdp0length = cfg.cfghdr.hdr->PageLength;
5609
5610 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 0: version %d length %d\n",
5611 ioc->name, ioc->spi_data.sdp0version, ioc->spi_data.sdp0length));
5612
5613 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 1: version %d length %d\n",
5614 ioc->name, ioc->spi_data.sdp1version, ioc->spi_data.sdp1length));
5615 return 0;
5616}
5617
5618/**
5619 * mpt_inactive_raid_list_free - This clears this link list.
5620 * @ioc : pointer to per adapter structure
5621 **/
5622static void
5623mpt_inactive_raid_list_free(MPT_ADAPTER *ioc)
5624{
5625 struct inactive_raid_component_info *component_info, *pNext;
5626
5627 if (list_empty(&ioc->raid_data.inactive_list))
5628 return;
5629
5630 mutex_lock(&ioc->raid_data.inactive_list_mutex);
5631 list_for_each_entry_safe(component_info, pNext,
5632 &ioc->raid_data.inactive_list, list) {
5633 list_del(&component_info->list);
5634 kfree(component_info);
5635 }
5636 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
5637}
5638
5639/**
5640 * mpt_inactive_raid_volumes - sets up link list of phy_disk_nums for devices belonging in an inactive volume
5641 *
5642 * @ioc : pointer to per adapter structure
5643 * @channel : volume channel
5644 * @id : volume target id
5645 **/
5646static void
5647mpt_inactive_raid_volumes(MPT_ADAPTER *ioc, u8 channel, u8 id)
5648{
5649 CONFIGPARMS cfg;
5650 ConfigPageHeader_t hdr;
5651 dma_addr_t dma_handle;
5652 pRaidVolumePage0_t buffer = NULL;
5653 int i;
5654 RaidPhysDiskPage0_t phys_disk;
5655 struct inactive_raid_component_info *component_info;
5656 int handle_inactive_volumes;
5657
5658 memset(&cfg, 0 , sizeof(CONFIGPARMS));
5659 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5660 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
5661 cfg.pageAddr = (channel << 8) + id;
5662 cfg.cfghdr.hdr = &hdr;
5663 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5664
5665 if (mpt_config(ioc, &cfg) != 0)
5666 goto out;
5667
5668 if (!hdr.PageLength)
5669 goto out;
5670
5671 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5672 &dma_handle);
5673
5674 if (!buffer)
5675 goto out;
5676
5677 cfg.physAddr = dma_handle;
5678 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5679
5680 if (mpt_config(ioc, &cfg) != 0)
5681 goto out;
5682
5683 if (!buffer->NumPhysDisks)
5684 goto out;
5685
5686 handle_inactive_volumes =
5687 (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE ||
5688 (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED) == 0 ||
5689 buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_FAILED ||
5690 buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_MISSING) ? 1 : 0;
5691
5692 if (!handle_inactive_volumes)
5693 goto out;
5694
5695 mutex_lock(&ioc->raid_data.inactive_list_mutex);
5696 for (i = 0; i < buffer->NumPhysDisks; i++) {
5697 if(mpt_raid_phys_disk_pg0(ioc,
5698 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
5699 continue;
5700
5701 if ((component_info = kmalloc(sizeof (*component_info),
5702 GFP_KERNEL)) == NULL)
5703 continue;
5704
5705 component_info->volumeID = id;
5706 component_info->volumeBus = channel;
5707 component_info->d.PhysDiskNum = phys_disk.PhysDiskNum;
5708 component_info->d.PhysDiskBus = phys_disk.PhysDiskBus;
5709 component_info->d.PhysDiskID = phys_disk.PhysDiskID;
5710 component_info->d.PhysDiskIOC = phys_disk.PhysDiskIOC;
5711
5712 list_add_tail(&component_info->list,
5713 &ioc->raid_data.inactive_list);
5714 }
5715 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
5716
5717 out:
5718 if (buffer)
5719 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5720 dma_handle);
5721}
5722
5723/**
5724 * mpt_raid_phys_disk_pg0 - returns phys disk page zero
5725 * @ioc: Pointer to a Adapter Structure
5726 * @phys_disk_num: io unit unique phys disk num generated by the ioc
5727 * @phys_disk: requested payload data returned
5728 *
5729 * Return:
5730 * 0 on success
5731 * -EFAULT if read of config page header fails or data pointer not NULL
5732 * -ENOMEM if pci_alloc failed
5733 **/
5734int
5735mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num,
5736 RaidPhysDiskPage0_t *phys_disk)
5737{
5738 CONFIGPARMS cfg;
5739 ConfigPageHeader_t hdr;
5740 dma_addr_t dma_handle;
5741 pRaidPhysDiskPage0_t buffer = NULL;
5742 int rc;
5743
5744 memset(&cfg, 0 , sizeof(CONFIGPARMS));
5745 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5746 memset(phys_disk, 0, sizeof(RaidPhysDiskPage0_t));
5747
5748 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE0_PAGEVERSION;
5749 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
5750 cfg.cfghdr.hdr = &hdr;
5751 cfg.physAddr = -1;
5752 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5753
5754 if (mpt_config(ioc, &cfg) != 0) {
5755 rc = -EFAULT;
5756 goto out;
5757 }
5758
5759 if (!hdr.PageLength) {
5760 rc = -EFAULT;
5761 goto out;
5762 }
5763
5764 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5765 &dma_handle);
5766
5767 if (!buffer) {
5768 rc = -ENOMEM;
5769 goto out;
5770 }
5771
5772 cfg.physAddr = dma_handle;
5773 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5774 cfg.pageAddr = phys_disk_num;
5775
5776 if (mpt_config(ioc, &cfg) != 0) {
5777 rc = -EFAULT;
5778 goto out;
5779 }
5780
5781 rc = 0;
5782 memcpy(phys_disk, buffer, sizeof(*buffer));
5783 phys_disk->MaxLBA = le32_to_cpu(buffer->MaxLBA);
5784
5785 out:
5786
5787 if (buffer)
5788 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5789 dma_handle);
5790
5791 return rc;
5792}
5793
5794/**
5795 * mpt_raid_phys_disk_get_num_paths - returns number paths associated to this phys_num
5796 * @ioc: Pointer to a Adapter Structure
5797 * @phys_disk_num: io unit unique phys disk num generated by the ioc
5798 *
5799 * Return:
5800 * returns number paths
5801 **/
5802int
5803mpt_raid_phys_disk_get_num_paths(MPT_ADAPTER *ioc, u8 phys_disk_num)
5804{
5805 CONFIGPARMS cfg;
5806 ConfigPageHeader_t hdr;
5807 dma_addr_t dma_handle;
5808 pRaidPhysDiskPage1_t buffer = NULL;
5809 int rc;
5810
5811 memset(&cfg, 0 , sizeof(CONFIGPARMS));
5812 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5813
5814 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE1_PAGEVERSION;
5815 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
5816 hdr.PageNumber = 1;
5817 cfg.cfghdr.hdr = &hdr;
5818 cfg.physAddr = -1;
5819 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5820
5821 if (mpt_config(ioc, &cfg) != 0) {
5822 rc = 0;
5823 goto out;
5824 }
5825
5826 if (!hdr.PageLength) {
5827 rc = 0;
5828 goto out;
5829 }
5830
5831 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5832 &dma_handle);
5833
5834 if (!buffer) {
5835 rc = 0;
5836 goto out;
5837 }
5838
5839 cfg.physAddr = dma_handle;
5840 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5841 cfg.pageAddr = phys_disk_num;
5842
5843 if (mpt_config(ioc, &cfg) != 0) {
5844 rc = 0;
5845 goto out;
5846 }
5847
5848 rc = buffer->NumPhysDiskPaths;
5849 out:
5850
5851 if (buffer)
5852 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5853 dma_handle);
5854
5855 return rc;
5856}
5857EXPORT_SYMBOL(mpt_raid_phys_disk_get_num_paths);
5858
5859/**
5860 * mpt_raid_phys_disk_pg1 - returns phys disk page 1
5861 * @ioc: Pointer to a Adapter Structure
5862 * @phys_disk_num: io unit unique phys disk num generated by the ioc
5863 * @phys_disk: requested payload data returned
5864 *
5865 * Return:
5866 * 0 on success
5867 * -EFAULT if read of config page header fails or data pointer not NULL
5868 * -ENOMEM if pci_alloc failed
5869 **/
5870int
5871mpt_raid_phys_disk_pg1(MPT_ADAPTER *ioc, u8 phys_disk_num,
5872 RaidPhysDiskPage1_t *phys_disk)
5873{
5874 CONFIGPARMS cfg;
5875 ConfigPageHeader_t hdr;
5876 dma_addr_t dma_handle;
5877 pRaidPhysDiskPage1_t buffer = NULL;
5878 int rc;
5879 int i;
5880 __le64 sas_address;
5881
5882 memset(&cfg, 0 , sizeof(CONFIGPARMS));
5883 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5884 rc = 0;
5885
5886 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE1_PAGEVERSION;
5887 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
5888 hdr.PageNumber = 1;
5889 cfg.cfghdr.hdr = &hdr;
5890 cfg.physAddr = -1;
5891 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5892
5893 if (mpt_config(ioc, &cfg) != 0) {
5894 rc = -EFAULT;
5895 goto out;
5896 }
5897
5898 if (!hdr.PageLength) {
5899 rc = -EFAULT;
5900 goto out;
5901 }
5902
5903 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5904 &dma_handle);
5905
5906 if (!buffer) {
5907 rc = -ENOMEM;
5908 goto out;
5909 }
5910
5911 cfg.physAddr = dma_handle;
5912 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5913 cfg.pageAddr = phys_disk_num;
5914
5915 if (mpt_config(ioc, &cfg) != 0) {
5916 rc = -EFAULT;
5917 goto out;
5918 }
5919
5920 phys_disk->NumPhysDiskPaths = buffer->NumPhysDiskPaths;
5921 phys_disk->PhysDiskNum = phys_disk_num;
5922 for (i = 0; i < phys_disk->NumPhysDiskPaths; i++) {
5923 phys_disk->Path[i].PhysDiskID = buffer->Path[i].PhysDiskID;
5924 phys_disk->Path[i].PhysDiskBus = buffer->Path[i].PhysDiskBus;
5925 phys_disk->Path[i].OwnerIdentifier =
5926 buffer->Path[i].OwnerIdentifier;
5927 phys_disk->Path[i].Flags = le16_to_cpu(buffer->Path[i].Flags);
5928 memcpy(&sas_address, &buffer->Path[i].WWID, sizeof(__le64));
5929 sas_address = le64_to_cpu(sas_address);
5930 memcpy(&phys_disk->Path[i].WWID, &sas_address, sizeof(__le64));
5931 memcpy(&sas_address,
5932 &buffer->Path[i].OwnerWWID, sizeof(__le64));
5933 sas_address = le64_to_cpu(sas_address);
5934 memcpy(&phys_disk->Path[i].OwnerWWID,
5935 &sas_address, sizeof(__le64));
5936 }
5937
5938 out:
5939
5940 if (buffer)
5941 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5942 dma_handle);
5943
5944 return rc;
5945}
5946EXPORT_SYMBOL(mpt_raid_phys_disk_pg1);
5947
5948
5949/**
5950 * mpt_findImVolumes - Identify IDs of hidden disks and RAID Volumes
5951 * @ioc: Pointer to a Adapter Strucutre
5952 *
5953 * Return:
5954 * 0 on success
5955 * -EFAULT if read of config page header fails or data pointer not NULL
5956 * -ENOMEM if pci_alloc failed
5957 **/
5958int
5959mpt_findImVolumes(MPT_ADAPTER *ioc)
5960{
5961 IOCPage2_t *pIoc2;
5962 u8 *mem;
5963 dma_addr_t ioc2_dma;
5964 CONFIGPARMS cfg;
5965 ConfigPageHeader_t header;
5966 int rc = 0;
5967 int iocpage2sz;
5968 int i;
5969
5970 if (!ioc->ir_firmware)
5971 return 0;
5972
5973 /* Free the old page
5974 */
5975 kfree(ioc->raid_data.pIocPg2);
5976 ioc->raid_data.pIocPg2 = NULL;
5977 mpt_inactive_raid_list_free(ioc);
5978
5979 /* Read IOCP2 header then the page.
5980 */
5981 header.PageVersion = 0;
5982 header.PageLength = 0;
5983 header.PageNumber = 2;
5984 header.PageType = MPI_CONFIG_PAGETYPE_IOC;
5985 cfg.cfghdr.hdr = &header;
5986 cfg.physAddr = -1;
5987 cfg.pageAddr = 0;
5988 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5989 cfg.dir = 0;
5990 cfg.timeout = 0;
5991 if (mpt_config(ioc, &cfg) != 0)
5992 return -EFAULT;
5993
5994 if (header.PageLength == 0)
5995 return -EFAULT;
5996
5997 iocpage2sz = header.PageLength * 4;
5998 pIoc2 = pci_alloc_consistent(ioc->pcidev, iocpage2sz, &ioc2_dma);
5999 if (!pIoc2)
6000 return -ENOMEM;
6001
6002 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6003 cfg.physAddr = ioc2_dma;
6004 if (mpt_config(ioc, &cfg) != 0)
6005 goto out;
6006
6007 mem = kmalloc(iocpage2sz, GFP_KERNEL);
6008 if (!mem) {
6009 rc = -ENOMEM;
6010 goto out;
6011 }
6012
6013 memcpy(mem, (u8 *)pIoc2, iocpage2sz);
6014 ioc->raid_data.pIocPg2 = (IOCPage2_t *) mem;
6015
6016 mpt_read_ioc_pg_3(ioc);
6017
6018 for (i = 0; i < pIoc2->NumActiveVolumes ; i++)
6019 mpt_inactive_raid_volumes(ioc,
6020 pIoc2->RaidVolume[i].VolumeBus,
6021 pIoc2->RaidVolume[i].VolumeID);
6022
6023 out:
6024 pci_free_consistent(ioc->pcidev, iocpage2sz, pIoc2, ioc2_dma);
6025
6026 return rc;
6027}
6028
6029static int
6030mpt_read_ioc_pg_3(MPT_ADAPTER *ioc)
6031{
6032 IOCPage3_t *pIoc3;
6033 u8 *mem;
6034 CONFIGPARMS cfg;
6035 ConfigPageHeader_t header;
6036 dma_addr_t ioc3_dma;
6037 int iocpage3sz = 0;
6038
6039 /* Free the old page
6040 */
6041 kfree(ioc->raid_data.pIocPg3);
6042 ioc->raid_data.pIocPg3 = NULL;
6043
6044 /* There is at least one physical disk.
6045 * Read and save IOC Page 3
6046 */
6047 header.PageVersion = 0;
6048 header.PageLength = 0;
6049 header.PageNumber = 3;
6050 header.PageType = MPI_CONFIG_PAGETYPE_IOC;
6051 cfg.cfghdr.hdr = &header;
6052 cfg.physAddr = -1;
6053 cfg.pageAddr = 0;
6054 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
6055 cfg.dir = 0;
6056 cfg.timeout = 0;
6057 if (mpt_config(ioc, &cfg) != 0)
6058 return 0;
6059
6060 if (header.PageLength == 0)
6061 return 0;
6062
6063 /* Read Header good, alloc memory
6064 */
6065 iocpage3sz = header.PageLength * 4;
6066 pIoc3 = pci_alloc_consistent(ioc->pcidev, iocpage3sz, &ioc3_dma);
6067 if (!pIoc3)
6068 return 0;
6069
6070 /* Read the Page and save the data
6071 * into malloc'd memory.
6072 */
6073 cfg.physAddr = ioc3_dma;
6074 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6075 if (mpt_config(ioc, &cfg) == 0) {
6076 mem = kmalloc(iocpage3sz, GFP_KERNEL);
6077 if (mem) {
6078 memcpy(mem, (u8 *)pIoc3, iocpage3sz);
6079 ioc->raid_data.pIocPg3 = (IOCPage3_t *) mem;
6080 }
6081 }
6082
6083 pci_free_consistent(ioc->pcidev, iocpage3sz, pIoc3, ioc3_dma);
6084
6085 return 0;
6086}
6087
6088static void
6089mpt_read_ioc_pg_4(MPT_ADAPTER *ioc)
6090{
6091 IOCPage4_t *pIoc4;
6092 CONFIGPARMS cfg;
6093 ConfigPageHeader_t header;
6094 dma_addr_t ioc4_dma;
6095 int iocpage4sz;
6096
6097 /* Read and save IOC Page 4
6098 */
6099 header.PageVersion = 0;
6100 header.PageLength = 0;
6101 header.PageNumber = 4;
6102 header.PageType = MPI_CONFIG_PAGETYPE_IOC;
6103 cfg.cfghdr.hdr = &header;
6104 cfg.physAddr = -1;
6105 cfg.pageAddr = 0;
6106 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
6107 cfg.dir = 0;
6108 cfg.timeout = 0;
6109 if (mpt_config(ioc, &cfg) != 0)
6110 return;
6111
6112 if (header.PageLength == 0)
6113 return;
6114
6115 if ( (pIoc4 = ioc->spi_data.pIocPg4) == NULL ) {
6116 iocpage4sz = (header.PageLength + 4) * 4; /* Allow 4 additional SEP's */
6117 pIoc4 = pci_alloc_consistent(ioc->pcidev, iocpage4sz, &ioc4_dma);
6118 if (!pIoc4)
6119 return;
6120 ioc->alloc_total += iocpage4sz;
6121 } else {
6122 ioc4_dma = ioc->spi_data.IocPg4_dma;
6123 iocpage4sz = ioc->spi_data.IocPg4Sz;
6124 }
6125
6126 /* Read the Page into dma memory.
6127 */
6128 cfg.physAddr = ioc4_dma;
6129 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6130 if (mpt_config(ioc, &cfg) == 0) {
6131 ioc->spi_data.pIocPg4 = (IOCPage4_t *) pIoc4;
6132 ioc->spi_data.IocPg4_dma = ioc4_dma;
6133 ioc->spi_data.IocPg4Sz = iocpage4sz;
6134 } else {
6135 pci_free_consistent(ioc->pcidev, iocpage4sz, pIoc4, ioc4_dma);
6136 ioc->spi_data.pIocPg4 = NULL;
6137 ioc->alloc_total -= iocpage4sz;
6138 }
6139}
6140
6141static void
6142mpt_read_ioc_pg_1(MPT_ADAPTER *ioc)
6143{
6144 IOCPage1_t *pIoc1;
6145 CONFIGPARMS cfg;
6146 ConfigPageHeader_t header;
6147 dma_addr_t ioc1_dma;
6148 int iocpage1sz = 0;
6149 u32 tmp;
6150
6151 /* Check the Coalescing Timeout in IOC Page 1
6152 */
6153 header.PageVersion = 0;
6154 header.PageLength = 0;
6155 header.PageNumber = 1;
6156 header.PageType = MPI_CONFIG_PAGETYPE_IOC;
6157 cfg.cfghdr.hdr = &header;
6158 cfg.physAddr = -1;
6159 cfg.pageAddr = 0;
6160 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
6161 cfg.dir = 0;
6162 cfg.timeout = 0;
6163 if (mpt_config(ioc, &cfg) != 0)
6164 return;
6165
6166 if (header.PageLength == 0)
6167 return;
6168
6169 /* Read Header good, alloc memory
6170 */
6171 iocpage1sz = header.PageLength * 4;
6172 pIoc1 = pci_alloc_consistent(ioc->pcidev, iocpage1sz, &ioc1_dma);
6173 if (!pIoc1)
6174 return;
6175
6176 /* Read the Page and check coalescing timeout
6177 */
6178 cfg.physAddr = ioc1_dma;
6179 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6180 if (mpt_config(ioc, &cfg) == 0) {
6181
6182 tmp = le32_to_cpu(pIoc1->Flags) & MPI_IOCPAGE1_REPLY_COALESCING;
6183 if (tmp == MPI_IOCPAGE1_REPLY_COALESCING) {
6184 tmp = le32_to_cpu(pIoc1->CoalescingTimeout);
6185
6186 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Coalescing Enabled Timeout = %d\n",
6187 ioc->name, tmp));
6188
6189 if (tmp > MPT_COALESCING_TIMEOUT) {
6190 pIoc1->CoalescingTimeout = cpu_to_le32(MPT_COALESCING_TIMEOUT);
6191
6192 /* Write NVRAM and current
6193 */
6194 cfg.dir = 1;
6195 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
6196 if (mpt_config(ioc, &cfg) == 0) {
6197 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Reset Current Coalescing Timeout to = %d\n",
6198 ioc->name, MPT_COALESCING_TIMEOUT));
6199
6200 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM;
6201 if (mpt_config(ioc, &cfg) == 0) {
6202 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6203 "Reset NVRAM Coalescing Timeout to = %d\n",
6204 ioc->name, MPT_COALESCING_TIMEOUT));
6205 } else {
6206 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6207 "Reset NVRAM Coalescing Timeout Failed\n",
6208 ioc->name));
6209 }
6210
6211 } else {
6212 dprintk(ioc, printk(MYIOC_s_WARN_FMT
6213 "Reset of Current Coalescing Timeout Failed!\n",
6214 ioc->name));
6215 }
6216 }
6217
6218 } else {
6219 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Coalescing Disabled\n", ioc->name));
6220 }
6221 }
6222
6223 pci_free_consistent(ioc->pcidev, iocpage1sz, pIoc1, ioc1_dma);
6224
6225 return;
6226}
6227
6228static void
6229mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc)
6230{
6231 CONFIGPARMS cfg;
6232 ConfigPageHeader_t hdr;
6233 dma_addr_t buf_dma;
6234 ManufacturingPage0_t *pbuf = NULL;
6235
6236 memset(&cfg, 0 , sizeof(CONFIGPARMS));
6237 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
6238
6239 hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING;
6240 cfg.cfghdr.hdr = &hdr;
6241 cfg.physAddr = -1;
6242 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
6243 cfg.timeout = 10;
6244
6245 if (mpt_config(ioc, &cfg) != 0)
6246 goto out;
6247
6248 if (!cfg.cfghdr.hdr->PageLength)
6249 goto out;
6250
6251 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6252 pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma);
6253 if (!pbuf)
6254 goto out;
6255
6256 cfg.physAddr = buf_dma;
6257
6258 if (mpt_config(ioc, &cfg) != 0)
6259 goto out;
6260
6261 memcpy(ioc->board_name, pbuf->BoardName, sizeof(ioc->board_name));
6262 memcpy(ioc->board_assembly, pbuf->BoardAssembly, sizeof(ioc->board_assembly));
6263 memcpy(ioc->board_tracer, pbuf->BoardTracerNumber, sizeof(ioc->board_tracer));
6264
6265 out:
6266
6267 if (pbuf)
6268 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma);
6269}
6270
6271/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6272/**
6273 * SendEventNotification - Send EventNotification (on or off) request to adapter
6274 * @ioc: Pointer to MPT_ADAPTER structure
6275 * @EvSwitch: Event switch flags
6276 * @sleepFlag: Specifies whether the process can sleep
6277 */
6278static int
6279SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch, int sleepFlag)
6280{
6281 EventNotification_t evn;
6282 MPIDefaultReply_t reply_buf;
6283
6284 memset(&evn, 0, sizeof(EventNotification_t));
6285 memset(&reply_buf, 0, sizeof(MPIDefaultReply_t));
6286
6287 evn.Function = MPI_FUNCTION_EVENT_NOTIFICATION;
6288 evn.Switch = EvSwitch;
6289 evn.MsgContext = cpu_to_le32(mpt_base_index << 16);
6290
6291 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6292 "Sending EventNotification (%d) request %p\n",
6293 ioc->name, EvSwitch, &evn));
6294
6295 return mpt_handshake_req_reply_wait(ioc, sizeof(EventNotification_t),
6296 (u32 *)&evn, sizeof(MPIDefaultReply_t), (u16 *)&reply_buf, 30,
6297 sleepFlag);
6298}
6299
6300/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6301/**
6302 * SendEventAck - Send EventAck request to MPT adapter.
6303 * @ioc: Pointer to MPT_ADAPTER structure
6304 * @evnp: Pointer to original EventNotification request
6305 */
6306static int
6307SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp)
6308{
6309 EventAck_t *pAck;
6310
6311 if ((pAck = (EventAck_t *) mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
6312 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s, no msg frames!!\n",
6313 ioc->name, __func__));
6314 return -1;
6315 }
6316
6317 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending EventAck\n", ioc->name));
6318
6319 pAck->Function = MPI_FUNCTION_EVENT_ACK;
6320 pAck->ChainOffset = 0;
6321 pAck->Reserved[0] = pAck->Reserved[1] = 0;
6322 pAck->MsgFlags = 0;
6323 pAck->Reserved1[0] = pAck->Reserved1[1] = pAck->Reserved1[2] = 0;
6324 pAck->Event = evnp->Event;
6325 pAck->EventContext = evnp->EventContext;
6326
6327 mpt_put_msg_frame(mpt_base_index, ioc, (MPT_FRAME_HDR *)pAck);
6328
6329 return 0;
6330}
6331
6332/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6333/**
6334 * mpt_config - Generic function to issue config message
6335 * @ioc: Pointer to an adapter structure
6336 * @pCfg: Pointer to a configuration structure. Struct contains
6337 * action, page address, direction, physical address
6338 * and pointer to a configuration page header
6339 * Page header is updated.
6340 *
6341 * Returns 0 for success
6342 * -EPERM if not allowed due to ISR context
6343 * -EAGAIN if no msg frames currently available
6344 * -EFAULT for non-successful reply or no reply (timeout)
6345 */
6346int
6347mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
6348{
6349 Config_t *pReq;
6350 ConfigReply_t *pReply;
6351 ConfigExtendedPageHeader_t *pExtHdr = NULL;
6352 MPT_FRAME_HDR *mf;
6353 int ii;
6354 int flagsLength;
6355 long timeout;
6356 int ret;
6357 u8 page_type = 0, extend_page;
6358 unsigned long timeleft;
6359 unsigned long flags;
6360 int in_isr;
6361 u8 issue_hard_reset = 0;
6362 u8 retry_count = 0;
6363
6364 /* Prevent calling wait_event() (below), if caller happens
6365 * to be in ISR context, because that is fatal!
6366 */
6367 in_isr = in_interrupt();
6368 if (in_isr) {
6369 dcprintk(ioc, printk(MYIOC_s_WARN_FMT "Config request not allowed in ISR context!\n",
6370 ioc->name));
6371 return -EPERM;
6372 }
6373
6374 /* don't send a config page during diag reset */
6375 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6376 if (ioc->ioc_reset_in_progress) {
6377 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6378 "%s: busy with host reset\n", ioc->name, __func__));
6379 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6380 return -EBUSY;
6381 }
6382 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6383
6384 /* don't send if no chance of success */
6385 if (!ioc->active ||
6386 mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_OPERATIONAL) {
6387 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6388 "%s: ioc not operational, %d, %xh\n",
6389 ioc->name, __func__, ioc->active,
6390 mpt_GetIocState(ioc, 0)));
6391 return -EFAULT;
6392 }
6393
6394 retry_config:
6395 mutex_lock(&ioc->mptbase_cmds.mutex);
6396 /* init the internal cmd struct */
6397 memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE);
6398 INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status)
6399
6400 /* Get and Populate a free Frame
6401 */
6402 if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
6403 dcprintk(ioc, printk(MYIOC_s_WARN_FMT
6404 "mpt_config: no msg frames!\n", ioc->name));
6405 ret = -EAGAIN;
6406 goto out;
6407 }
6408
6409 pReq = (Config_t *)mf;
6410 pReq->Action = pCfg->action;
6411 pReq->Reserved = 0;
6412 pReq->ChainOffset = 0;
6413 pReq->Function = MPI_FUNCTION_CONFIG;
6414
6415 /* Assume page type is not extended and clear "reserved" fields. */
6416 pReq->ExtPageLength = 0;
6417 pReq->ExtPageType = 0;
6418 pReq->MsgFlags = 0;
6419
6420 for (ii=0; ii < 8; ii++)
6421 pReq->Reserved2[ii] = 0;
6422
6423 pReq->Header.PageVersion = pCfg->cfghdr.hdr->PageVersion;
6424 pReq->Header.PageLength = pCfg->cfghdr.hdr->PageLength;
6425 pReq->Header.PageNumber = pCfg->cfghdr.hdr->PageNumber;
6426 pReq->Header.PageType = (pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK);
6427
6428 if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) == MPI_CONFIG_PAGETYPE_EXTENDED) {
6429 pExtHdr = (ConfigExtendedPageHeader_t *)pCfg->cfghdr.ehdr;
6430 pReq->ExtPageLength = cpu_to_le16(pExtHdr->ExtPageLength);
6431 pReq->ExtPageType = pExtHdr->ExtPageType;
6432 pReq->Header.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
6433
6434 /* Page Length must be treated as a reserved field for the
6435 * extended header.
6436 */
6437 pReq->Header.PageLength = 0;
6438 }
6439
6440 pReq->PageAddress = cpu_to_le32(pCfg->pageAddr);
6441
6442 /* Add a SGE to the config request.
6443 */
6444 if (pCfg->dir)
6445 flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE;
6446 else
6447 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ;
6448
6449 if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) ==
6450 MPI_CONFIG_PAGETYPE_EXTENDED) {
6451 flagsLength |= pExtHdr->ExtPageLength * 4;
6452 page_type = pReq->ExtPageType;
6453 extend_page = 1;
6454 } else {
6455 flagsLength |= pCfg->cfghdr.hdr->PageLength * 4;
6456 page_type = pReq->Header.PageType;
6457 extend_page = 0;
6458 }
6459
6460 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6461 "Sending Config request type 0x%x, page 0x%x and action %d\n",
6462 ioc->name, page_type, pReq->Header.PageNumber, pReq->Action));
6463
6464 ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, pCfg->physAddr);
6465 timeout = (pCfg->timeout < 15) ? HZ*15 : HZ*pCfg->timeout;
6466 mpt_put_msg_frame(mpt_base_index, ioc, mf);
6467 timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done,
6468 timeout);
6469 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
6470 ret = -ETIME;
6471 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6472 "Failed Sending Config request type 0x%x, page 0x%x,"
6473 " action %d, status %xh, time left %ld\n\n",
6474 ioc->name, page_type, pReq->Header.PageNumber,
6475 pReq->Action, ioc->mptbase_cmds.status, timeleft));
6476 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
6477 goto out;
6478 if (!timeleft) {
6479 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6480 if (ioc->ioc_reset_in_progress) {
6481 spin_unlock_irqrestore(&ioc->taskmgmt_lock,
6482 flags);
6483 printk(MYIOC_s_INFO_FMT "%s: host reset in"
6484 " progress mpt_config timed out.!!\n",
6485 __func__, ioc->name);
6486 mutex_unlock(&ioc->mptbase_cmds.mutex);
6487 return -EFAULT;
6488 }
6489 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6490 issue_hard_reset = 1;
6491 }
6492 goto out;
6493 }
6494
6495 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
6496 ret = -1;
6497 goto out;
6498 }
6499 pReply = (ConfigReply_t *)ioc->mptbase_cmds.reply;
6500 ret = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
6501 if (ret == MPI_IOCSTATUS_SUCCESS) {
6502 if (extend_page) {
6503 pCfg->cfghdr.ehdr->ExtPageLength =
6504 le16_to_cpu(pReply->ExtPageLength);
6505 pCfg->cfghdr.ehdr->ExtPageType =
6506 pReply->ExtPageType;
6507 }
6508 pCfg->cfghdr.hdr->PageVersion = pReply->Header.PageVersion;
6509 pCfg->cfghdr.hdr->PageLength = pReply->Header.PageLength;
6510 pCfg->cfghdr.hdr->PageNumber = pReply->Header.PageNumber;
6511 pCfg->cfghdr.hdr->PageType = pReply->Header.PageType;
6512
6513 }
6514
6515 if (retry_count)
6516 printk(MYIOC_s_INFO_FMT "Retry completed "
6517 "ret=0x%x timeleft=%ld\n",
6518 ioc->name, ret, timeleft);
6519
6520 dcprintk(ioc, printk(KERN_DEBUG "IOCStatus=%04xh, IOCLogInfo=%08xh\n",
6521 ret, le32_to_cpu(pReply->IOCLogInfo)));
6522
6523out:
6524
6525 CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status)
6526 mutex_unlock(&ioc->mptbase_cmds.mutex);
6527 if (issue_hard_reset) {
6528 issue_hard_reset = 0;
6529 printk(MYIOC_s_WARN_FMT
6530 "Issuing Reset from %s!!, doorbell=0x%08x\n",
6531 ioc->name, __func__, mpt_GetIocState(ioc, 0));
6532 if (retry_count == 0) {
6533 if (mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP) != 0)
6534 retry_count++;
6535 } else
6536 mpt_HardResetHandler(ioc, CAN_SLEEP);
6537
6538 mpt_free_msg_frame(ioc, mf);
6539 /* attempt one retry for a timed out command */
6540 if (retry_count < 2) {
6541 printk(MYIOC_s_INFO_FMT
6542 "Attempting Retry Config request"
6543 " type 0x%x, page 0x%x,"
6544 " action %d\n", ioc->name, page_type,
6545 pCfg->cfghdr.hdr->PageNumber, pCfg->action);
6546 retry_count++;
6547 goto retry_config;
6548 }
6549 }
6550 return ret;
6551
6552}
6553
6554/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6555/**
6556 * mpt_ioc_reset - Base cleanup for hard reset
6557 * @ioc: Pointer to the adapter structure
6558 * @reset_phase: Indicates pre- or post-reset functionality
6559 *
6560 * Remark: Frees resources with internally generated commands.
6561 */
6562static int
6563mpt_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
6564{
6565 switch (reset_phase) {
6566 case MPT_IOC_SETUP_RESET:
6567 ioc->taskmgmt_quiesce_io = 1;
6568 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6569 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
6570 break;
6571 case MPT_IOC_PRE_RESET:
6572 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6573 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
6574 break;
6575 case MPT_IOC_POST_RESET:
6576 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6577 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
6578/* wake up mptbase_cmds */
6579 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) {
6580 ioc->mptbase_cmds.status |=
6581 MPT_MGMT_STATUS_DID_IOCRESET;
6582 complete(&ioc->mptbase_cmds.done);
6583 }
6584/* wake up taskmgmt_cmds */
6585 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
6586 ioc->taskmgmt_cmds.status |=
6587 MPT_MGMT_STATUS_DID_IOCRESET;
6588 complete(&ioc->taskmgmt_cmds.done);
6589 }
6590 break;
6591 default:
6592 break;
6593 }
6594
6595 return 1; /* currently means nothing really */
6596}
6597
6598
6599#ifdef CONFIG_PROC_FS /* { */
6600/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6601/*
6602 * procfs (%MPT_PROCFS_MPTBASEDIR/...) support stuff...
6603 */
6604/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6605/**
6606 * procmpt_create - Create %MPT_PROCFS_MPTBASEDIR entries.
6607 *
6608 * Returns 0 for success, non-zero for failure.
6609 */
6610static int
6611procmpt_create(void)
6612{
6613 mpt_proc_root_dir = proc_mkdir(MPT_PROCFS_MPTBASEDIR, NULL);
6614 if (mpt_proc_root_dir == NULL)
6615 return -ENOTDIR;
6616
6617 proc_create("summary", S_IRUGO, mpt_proc_root_dir, &mpt_summary_proc_fops);
6618 proc_create("version", S_IRUGO, mpt_proc_root_dir, &mpt_version_proc_fops);
6619 return 0;
6620}
6621
6622/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6623/**
6624 * procmpt_destroy - Tear down %MPT_PROCFS_MPTBASEDIR entries.
6625 *
6626 * Returns 0 for success, non-zero for failure.
6627 */
6628static void
6629procmpt_destroy(void)
6630{
6631 remove_proc_entry("version", mpt_proc_root_dir);
6632 remove_proc_entry("summary", mpt_proc_root_dir);
6633 remove_proc_entry(MPT_PROCFS_MPTBASEDIR, NULL);
6634}
6635
6636/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6637/*
6638 * Handles read request from /proc/mpt/summary or /proc/mpt/iocN/summary.
6639 */
6640static void seq_mpt_print_ioc_summary(MPT_ADAPTER *ioc, struct seq_file *m, int showlan);
6641
6642static int mpt_summary_proc_show(struct seq_file *m, void *v)
6643{
6644 MPT_ADAPTER *ioc = m->private;
6645
6646 if (ioc) {
6647 seq_mpt_print_ioc_summary(ioc, m, 1);
6648 } else {
6649 list_for_each_entry(ioc, &ioc_list, list) {
6650 seq_mpt_print_ioc_summary(ioc, m, 1);
6651 }
6652 }
6653
6654 return 0;
6655}
6656
6657static int mpt_summary_proc_open(struct inode *inode, struct file *file)
6658{
6659 return single_open(file, mpt_summary_proc_show, PDE_DATA(inode));
6660}
6661
6662static const struct file_operations mpt_summary_proc_fops = {
6663 .owner = THIS_MODULE,
6664 .open = mpt_summary_proc_open,
6665 .read = seq_read,
6666 .llseek = seq_lseek,
6667 .release = single_release,
6668};
6669
6670static int mpt_version_proc_show(struct seq_file *m, void *v)
6671{
6672 u8 cb_idx;
6673 int scsi, fc, sas, lan, ctl, targ, dmp;
6674 char *drvname;
6675
6676 seq_printf(m, "%s-%s\n", "mptlinux", MPT_LINUX_VERSION_COMMON);
6677 seq_printf(m, " Fusion MPT base driver\n");
6678
6679 scsi = fc = sas = lan = ctl = targ = dmp = 0;
6680 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
6681 drvname = NULL;
6682 if (MptCallbacks[cb_idx]) {
6683 switch (MptDriverClass[cb_idx]) {
6684 case MPTSPI_DRIVER:
6685 if (!scsi++) drvname = "SPI host";
6686 break;
6687 case MPTFC_DRIVER:
6688 if (!fc++) drvname = "FC host";
6689 break;
6690 case MPTSAS_DRIVER:
6691 if (!sas++) drvname = "SAS host";
6692 break;
6693 case MPTLAN_DRIVER:
6694 if (!lan++) drvname = "LAN";
6695 break;
6696 case MPTSTM_DRIVER:
6697 if (!targ++) drvname = "SCSI target";
6698 break;
6699 case MPTCTL_DRIVER:
6700 if (!ctl++) drvname = "ioctl";
6701 break;
6702 }
6703
6704 if (drvname)
6705 seq_printf(m, " Fusion MPT %s driver\n", drvname);
6706 }
6707 }
6708
6709 return 0;
6710}
6711
6712static int mpt_version_proc_open(struct inode *inode, struct file *file)
6713{
6714 return single_open(file, mpt_version_proc_show, NULL);
6715}
6716
6717static const struct file_operations mpt_version_proc_fops = {
6718 .owner = THIS_MODULE,
6719 .open = mpt_version_proc_open,
6720 .read = seq_read,
6721 .llseek = seq_lseek,
6722 .release = single_release,
6723};
6724
6725static int mpt_iocinfo_proc_show(struct seq_file *m, void *v)
6726{
6727 MPT_ADAPTER *ioc = m->private;
6728 char expVer[32];
6729 int sz;
6730 int p;
6731
6732 mpt_get_fw_exp_ver(expVer, ioc);
6733
6734 seq_printf(m, "%s:", ioc->name);
6735 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)
6736 seq_printf(m, " (f/w download boot flag set)");
6737// if (ioc->facts.IOCExceptions & MPI_IOCFACTS_EXCEPT_CONFIG_CHECKSUM_FAIL)
6738// seq_printf(m, " CONFIG_CHECKSUM_FAIL!");
6739
6740 seq_printf(m, "\n ProductID = 0x%04x (%s)\n",
6741 ioc->facts.ProductID,
6742 ioc->prod_name);
6743 seq_printf(m, " FWVersion = 0x%08x%s", ioc->facts.FWVersion.Word, expVer);
6744 if (ioc->facts.FWImageSize)
6745 seq_printf(m, " (fw_size=%d)", ioc->facts.FWImageSize);
6746 seq_printf(m, "\n MsgVersion = 0x%04x\n", ioc->facts.MsgVersion);
6747 seq_printf(m, " FirstWhoInit = 0x%02x\n", ioc->FirstWhoInit);
6748 seq_printf(m, " EventState = 0x%02x\n", ioc->facts.EventState);
6749
6750 seq_printf(m, " CurrentHostMfaHighAddr = 0x%08x\n",
6751 ioc->facts.CurrentHostMfaHighAddr);
6752 seq_printf(m, " CurrentSenseBufferHighAddr = 0x%08x\n",
6753 ioc->facts.CurrentSenseBufferHighAddr);
6754
6755 seq_printf(m, " MaxChainDepth = 0x%02x frames\n", ioc->facts.MaxChainDepth);
6756 seq_printf(m, " MinBlockSize = 0x%02x bytes\n", 4*ioc->facts.BlockSize);
6757
6758 seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n",
6759 (void *)ioc->req_frames, (void *)(ulong)ioc->req_frames_dma);
6760 /*
6761 * Rounding UP to nearest 4-kB boundary here...
6762 */
6763 sz = (ioc->req_sz * ioc->req_depth) + 128;
6764 sz = ((sz + 0x1000UL - 1UL) / 0x1000) * 0x1000;
6765 seq_printf(m, " {CurReqSz=%d} x {CurReqDepth=%d} = %d bytes ^= 0x%x\n",
6766 ioc->req_sz, ioc->req_depth, ioc->req_sz*ioc->req_depth, sz);
6767 seq_printf(m, " {MaxReqSz=%d} {MaxReqDepth=%d}\n",
6768 4*ioc->facts.RequestFrameSize,
6769 ioc->facts.GlobalCredits);
6770
6771 seq_printf(m, " Frames @ 0x%p (Dma @ 0x%p)\n",
6772 (void *)ioc->alloc, (void *)(ulong)ioc->alloc_dma);
6773 sz = (ioc->reply_sz * ioc->reply_depth) + 128;
6774 seq_printf(m, " {CurRepSz=%d} x {CurRepDepth=%d} = %d bytes ^= 0x%x\n",
6775 ioc->reply_sz, ioc->reply_depth, ioc->reply_sz*ioc->reply_depth, sz);
6776 seq_printf(m, " {MaxRepSz=%d} {MaxRepDepth=%d}\n",
6777 ioc->facts.CurReplyFrameSize,
6778 ioc->facts.ReplyQueueDepth);
6779
6780 seq_printf(m, " MaxDevices = %d\n",
6781 (ioc->facts.MaxDevices==0) ? 255 : ioc->facts.MaxDevices);
6782 seq_printf(m, " MaxBuses = %d\n", ioc->facts.MaxBuses);
6783
6784 /* per-port info */
6785 for (p=0; p < ioc->facts.NumberOfPorts; p++) {
6786 seq_printf(m, " PortNumber = %d (of %d)\n",
6787 p+1,
6788 ioc->facts.NumberOfPorts);
6789 if (ioc->bus_type == FC) {
6790 if (ioc->pfacts[p].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) {
6791 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
6792 seq_printf(m, " LanAddr = %02X:%02X:%02X:%02X:%02X:%02X\n",
6793 a[5], a[4], a[3], a[2], a[1], a[0]);
6794 }
6795 seq_printf(m, " WWN = %08X%08X:%08X%08X\n",
6796 ioc->fc_port_page0[p].WWNN.High,
6797 ioc->fc_port_page0[p].WWNN.Low,
6798 ioc->fc_port_page0[p].WWPN.High,
6799 ioc->fc_port_page0[p].WWPN.Low);
6800 }
6801 }
6802
6803 return 0;
6804}
6805
6806static int mpt_iocinfo_proc_open(struct inode *inode, struct file *file)
6807{
6808 return single_open(file, mpt_iocinfo_proc_show, PDE_DATA(inode));
6809}
6810
6811static const struct file_operations mpt_iocinfo_proc_fops = {
6812 .owner = THIS_MODULE,
6813 .open = mpt_iocinfo_proc_open,
6814 .read = seq_read,
6815 .llseek = seq_lseek,
6816 .release = single_release,
6817};
6818#endif /* CONFIG_PROC_FS } */
6819
6820/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6821static void
6822mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc)
6823{
6824 buf[0] ='\0';
6825 if ((ioc->facts.FWVersion.Word >> 24) == 0x0E) {
6826 sprintf(buf, " (Exp %02d%02d)",
6827 (ioc->facts.FWVersion.Word >> 16) & 0x00FF, /* Month */
6828 (ioc->facts.FWVersion.Word >> 8) & 0x1F); /* Day */
6829
6830 /* insider hack! */
6831 if ((ioc->facts.FWVersion.Word >> 8) & 0x80)
6832 strcat(buf, " [MDBG]");
6833 }
6834}
6835
6836/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6837/**
6838 * mpt_print_ioc_summary - Write ASCII summary of IOC to a buffer.
6839 * @ioc: Pointer to MPT_ADAPTER structure
6840 * @buffer: Pointer to buffer where IOC summary info should be written
6841 * @size: Pointer to number of bytes we wrote (set by this routine)
6842 * @len: Offset at which to start writing in buffer
6843 * @showlan: Display LAN stuff?
6844 *
6845 * This routine writes (english readable) ASCII text, which represents
6846 * a summary of IOC information, to a buffer.
6847 */
6848void
6849mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buffer, int *size, int len, int showlan)
6850{
6851 char expVer[32];
6852 int y;
6853
6854 mpt_get_fw_exp_ver(expVer, ioc);
6855
6856 /*
6857 * Shorter summary of attached ioc's...
6858 */
6859 y = sprintf(buffer+len, "%s: %s, %s%08xh%s, Ports=%d, MaxQ=%d",
6860 ioc->name,
6861 ioc->prod_name,
6862 MPT_FW_REV_MAGIC_ID_STRING, /* "FwRev=" or somesuch */
6863 ioc->facts.FWVersion.Word,
6864 expVer,
6865 ioc->facts.NumberOfPorts,
6866 ioc->req_depth);
6867
6868 if (showlan && (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) {
6869 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
6870 y += sprintf(buffer+len+y, ", LanAddr=%02X:%02X:%02X:%02X:%02X:%02X",
6871 a[5], a[4], a[3], a[2], a[1], a[0]);
6872 }
6873
6874 y += sprintf(buffer+len+y, ", IRQ=%d", ioc->pci_irq);
6875
6876 if (!ioc->active)
6877 y += sprintf(buffer+len+y, " (disabled)");
6878
6879 y += sprintf(buffer+len+y, "\n");
6880
6881 *size = y;
6882}
6883
6884static void seq_mpt_print_ioc_summary(MPT_ADAPTER *ioc, struct seq_file *m, int showlan)
6885{
6886 char expVer[32];
6887
6888 mpt_get_fw_exp_ver(expVer, ioc);
6889
6890 /*
6891 * Shorter summary of attached ioc's...
6892 */
6893 seq_printf(m, "%s: %s, %s%08xh%s, Ports=%d, MaxQ=%d",
6894 ioc->name,
6895 ioc->prod_name,
6896 MPT_FW_REV_MAGIC_ID_STRING, /* "FwRev=" or somesuch */
6897 ioc->facts.FWVersion.Word,
6898 expVer,
6899 ioc->facts.NumberOfPorts,
6900 ioc->req_depth);
6901
6902 if (showlan && (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) {
6903 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
6904 seq_printf(m, ", LanAddr=%02X:%02X:%02X:%02X:%02X:%02X",
6905 a[5], a[4], a[3], a[2], a[1], a[0]);
6906 }
6907
6908 seq_printf(m, ", IRQ=%d", ioc->pci_irq);
6909
6910 if (!ioc->active)
6911 seq_printf(m, " (disabled)");
6912
6913 seq_putc(m, '\n');
6914}
6915
6916/**
6917 * mpt_set_taskmgmt_in_progress_flag - set flags associated with task management
6918 * @ioc: Pointer to MPT_ADAPTER structure
6919 *
6920 * Returns 0 for SUCCESS or -1 if FAILED.
6921 *
6922 * If -1 is return, then it was not possible to set the flags
6923 **/
6924int
6925mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc)
6926{
6927 unsigned long flags;
6928 int retval;
6929
6930 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6931 if (ioc->ioc_reset_in_progress || ioc->taskmgmt_in_progress ||
6932 (ioc->alt_ioc && ioc->alt_ioc->taskmgmt_in_progress)) {
6933 retval = -1;
6934 goto out;
6935 }
6936 retval = 0;
6937 ioc->taskmgmt_in_progress = 1;
6938 ioc->taskmgmt_quiesce_io = 1;
6939 if (ioc->alt_ioc) {
6940 ioc->alt_ioc->taskmgmt_in_progress = 1;
6941 ioc->alt_ioc->taskmgmt_quiesce_io = 1;
6942 }
6943 out:
6944 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6945 return retval;
6946}
6947EXPORT_SYMBOL(mpt_set_taskmgmt_in_progress_flag);
6948
6949/**
6950 * mpt_clear_taskmgmt_in_progress_flag - clear flags associated with task management
6951 * @ioc: Pointer to MPT_ADAPTER structure
6952 *
6953 **/
6954void
6955mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc)
6956{
6957 unsigned long flags;
6958
6959 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6960 ioc->taskmgmt_in_progress = 0;
6961 ioc->taskmgmt_quiesce_io = 0;
6962 if (ioc->alt_ioc) {
6963 ioc->alt_ioc->taskmgmt_in_progress = 0;
6964 ioc->alt_ioc->taskmgmt_quiesce_io = 0;
6965 }
6966 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6967}
6968EXPORT_SYMBOL(mpt_clear_taskmgmt_in_progress_flag);
6969
6970
6971/**
6972 * mpt_halt_firmware - Halts the firmware if it is operational and panic
6973 * the kernel
6974 * @ioc: Pointer to MPT_ADAPTER structure
6975 *
6976 **/
6977void
6978mpt_halt_firmware(MPT_ADAPTER *ioc)
6979{
6980 u32 ioc_raw_state;
6981
6982 ioc_raw_state = mpt_GetIocState(ioc, 0);
6983
6984 if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) {
6985 printk(MYIOC_s_ERR_FMT "IOC is in FAULT state (%04xh)!!!\n",
6986 ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK);
6987 panic("%s: IOC Fault (%04xh)!!!\n", ioc->name,
6988 ioc_raw_state & MPI_DOORBELL_DATA_MASK);
6989 } else {
6990 CHIPREG_WRITE32(&ioc->chip->Doorbell, 0xC0FFEE00);
6991 panic("%s: Firmware is halted due to command timeout\n",
6992 ioc->name);
6993 }
6994}
6995EXPORT_SYMBOL(mpt_halt_firmware);
6996
6997/**
6998 * mpt_SoftResetHandler - Issues a less expensive reset
6999 * @ioc: Pointer to MPT_ADAPTER structure
7000 * @sleepFlag: Indicates if sleep or schedule must be called.
7001 *
7002 * Returns 0 for SUCCESS or -1 if FAILED.
7003 *
7004 * Message Unit Reset - instructs the IOC to reset the Reply Post and
7005 * Free FIFO's. All the Message Frames on Reply Free FIFO are discarded.
7006 * All posted buffers are freed, and event notification is turned off.
7007 * IOC doesn't reply to any outstanding request. This will transfer IOC
7008 * to READY state.
7009 **/
7010int
7011mpt_SoftResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
7012{
7013 int rc;
7014 int ii;
7015 u8 cb_idx;
7016 unsigned long flags;
7017 u32 ioc_state;
7018 unsigned long time_count;
7019
7020 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SoftResetHandler Entered!\n",
7021 ioc->name));
7022
7023 ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK;
7024
7025 if (mpt_fwfault_debug)
7026 mpt_halt_firmware(ioc);
7027
7028 if (ioc_state == MPI_IOC_STATE_FAULT ||
7029 ioc_state == MPI_IOC_STATE_RESET) {
7030 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7031 "skipping, either in FAULT or RESET state!\n", ioc->name));
7032 return -1;
7033 }
7034
7035 if (ioc->bus_type == FC) {
7036 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7037 "skipping, because the bus type is FC!\n", ioc->name));
7038 return -1;
7039 }
7040
7041 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
7042 if (ioc->ioc_reset_in_progress) {
7043 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7044 return -1;
7045 }
7046 ioc->ioc_reset_in_progress = 1;
7047 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7048
7049 rc = -1;
7050
7051 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7052 if (MptResetHandlers[cb_idx])
7053 mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET);
7054 }
7055
7056 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
7057 if (ioc->taskmgmt_in_progress) {
7058 ioc->ioc_reset_in_progress = 0;
7059 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7060 return -1;
7061 }
7062 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7063 /* Disable reply interrupts (also blocks FreeQ) */
7064 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
7065 ioc->active = 0;
7066 time_count = jiffies;
7067
7068 rc = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag);
7069
7070 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7071 if (MptResetHandlers[cb_idx])
7072 mpt_signal_reset(cb_idx, ioc, MPT_IOC_PRE_RESET);
7073 }
7074
7075 if (rc)
7076 goto out;
7077
7078 ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK;
7079 if (ioc_state != MPI_IOC_STATE_READY)
7080 goto out;
7081
7082 for (ii = 0; ii < 5; ii++) {
7083 /* Get IOC facts! Allow 5 retries */
7084 rc = GetIocFacts(ioc, sleepFlag,
7085 MPT_HOSTEVENT_IOC_RECOVER);
7086 if (rc == 0)
7087 break;
7088 if (sleepFlag == CAN_SLEEP)
7089 msleep(100);
7090 else
7091 mdelay(100);
7092 }
7093 if (ii == 5)
7094 goto out;
7095
7096 rc = PrimeIocFifos(ioc);
7097 if (rc != 0)
7098 goto out;
7099
7100 rc = SendIocInit(ioc, sleepFlag);
7101 if (rc != 0)
7102 goto out;
7103
7104 rc = SendEventNotification(ioc, 1, sleepFlag);
7105 if (rc != 0)
7106 goto out;
7107
7108 if (ioc->hard_resets < -1)
7109 ioc->hard_resets++;
7110
7111 /*
7112 * At this point, we know soft reset succeeded.
7113 */
7114
7115 ioc->active = 1;
7116 CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
7117
7118 out:
7119 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
7120 ioc->ioc_reset_in_progress = 0;
7121 ioc->taskmgmt_quiesce_io = 0;
7122 ioc->taskmgmt_in_progress = 0;
7123 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7124
7125 if (ioc->active) { /* otherwise, hard reset coming */
7126 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7127 if (MptResetHandlers[cb_idx])
7128 mpt_signal_reset(cb_idx, ioc,
7129 MPT_IOC_POST_RESET);
7130 }
7131 }
7132
7133 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7134 "SoftResetHandler: completed (%d seconds): %s\n",
7135 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000,
7136 ((rc == 0) ? "SUCCESS" : "FAILED")));
7137
7138 return rc;
7139}
7140
7141/**
7142 * mpt_Soft_Hard_ResetHandler - Try less expensive reset
7143 * @ioc: Pointer to MPT_ADAPTER structure
7144 * @sleepFlag: Indicates if sleep or schedule must be called.
7145 *
7146 * Returns 0 for SUCCESS or -1 if FAILED.
7147 * Try for softreset first, only if it fails go for expensive
7148 * HardReset.
7149 **/
7150int
7151mpt_Soft_Hard_ResetHandler(MPT_ADAPTER *ioc, int sleepFlag) {
7152 int ret = -1;
7153
7154 ret = mpt_SoftResetHandler(ioc, sleepFlag);
7155 if (ret == 0)
7156 return ret;
7157 ret = mpt_HardResetHandler(ioc, sleepFlag);
7158 return ret;
7159}
7160EXPORT_SYMBOL(mpt_Soft_Hard_ResetHandler);
7161
7162/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7163/*
7164 * Reset Handling
7165 */
7166/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7167/**
7168 * mpt_HardResetHandler - Generic reset handler
7169 * @ioc: Pointer to MPT_ADAPTER structure
7170 * @sleepFlag: Indicates if sleep or schedule must be called.
7171 *
7172 * Issues SCSI Task Management call based on input arg values.
7173 * If TaskMgmt fails, returns associated SCSI request.
7174 *
7175 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
7176 * or a non-interrupt thread. In the former, must not call schedule().
7177 *
7178 * Note: A return of -1 is a FATAL error case, as it means a
7179 * FW reload/initialization failed.
7180 *
7181 * Returns 0 for SUCCESS or -1 if FAILED.
7182 */
7183int
7184mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
7185{
7186 int rc;
7187 u8 cb_idx;
7188 unsigned long flags;
7189 unsigned long time_count;
7190
7191 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HardResetHandler Entered!\n", ioc->name));
7192#ifdef MFCNT
7193 printk(MYIOC_s_INFO_FMT "HardResetHandler Entered!\n", ioc->name);
7194 printk("MF count 0x%x !\n", ioc->mfcnt);
7195#endif
7196 if (mpt_fwfault_debug)
7197 mpt_halt_firmware(ioc);
7198
7199 /* Reset the adapter. Prevent more than 1 call to
7200 * mpt_do_ioc_recovery at any instant in time.
7201 */
7202 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
7203 if (ioc->ioc_reset_in_progress) {
7204 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7205 ioc->wait_on_reset_completion = 1;
7206 do {
7207 ssleep(1);
7208 } while (ioc->ioc_reset_in_progress == 1);
7209 ioc->wait_on_reset_completion = 0;
7210 return ioc->reset_status;
7211 }
7212 if (ioc->wait_on_reset_completion) {
7213 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7214 rc = 0;
7215 time_count = jiffies;
7216 goto exit;
7217 }
7218 ioc->ioc_reset_in_progress = 1;
7219 if (ioc->alt_ioc)
7220 ioc->alt_ioc->ioc_reset_in_progress = 1;
7221 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7222
7223
7224 /* The SCSI driver needs to adjust timeouts on all current
7225 * commands prior to the diagnostic reset being issued.
7226 * Prevents timeouts occurring during a diagnostic reset...very bad.
7227 * For all other protocol drivers, this is a no-op.
7228 */
7229 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7230 if (MptResetHandlers[cb_idx]) {
7231 mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET);
7232 if (ioc->alt_ioc)
7233 mpt_signal_reset(cb_idx, ioc->alt_ioc,
7234 MPT_IOC_SETUP_RESET);
7235 }
7236 }
7237
7238 time_count = jiffies;
7239 rc = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_RECOVER, sleepFlag);
7240 if (rc != 0) {
7241 printk(KERN_WARNING MYNAM
7242 ": WARNING - (%d) Cannot recover %s, doorbell=0x%08x\n",
7243 rc, ioc->name, mpt_GetIocState(ioc, 0));
7244 } else {
7245 if (ioc->hard_resets < -1)
7246 ioc->hard_resets++;
7247 }
7248
7249 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
7250 ioc->ioc_reset_in_progress = 0;
7251 ioc->taskmgmt_quiesce_io = 0;
7252 ioc->taskmgmt_in_progress = 0;
7253 ioc->reset_status = rc;
7254 if (ioc->alt_ioc) {
7255 ioc->alt_ioc->ioc_reset_in_progress = 0;
7256 ioc->alt_ioc->taskmgmt_quiesce_io = 0;
7257 ioc->alt_ioc->taskmgmt_in_progress = 0;
7258 }
7259 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7260
7261 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7262 if (MptResetHandlers[cb_idx]) {
7263 mpt_signal_reset(cb_idx, ioc, MPT_IOC_POST_RESET);
7264 if (ioc->alt_ioc)
7265 mpt_signal_reset(cb_idx,
7266 ioc->alt_ioc, MPT_IOC_POST_RESET);
7267 }
7268 }
7269exit:
7270 dtmprintk(ioc,
7271 printk(MYIOC_s_DEBUG_FMT
7272 "HardResetHandler: completed (%d seconds): %s\n", ioc->name,
7273 jiffies_to_msecs(jiffies - time_count)/1000, ((rc == 0) ?
7274 "SUCCESS" : "FAILED")));
7275
7276 return rc;
7277}
7278
7279#ifdef CONFIG_FUSION_LOGGING
7280static void
7281mpt_display_event_info(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply)
7282{
7283 char *ds = NULL;
7284 u32 evData0;
7285 int ii;
7286 u8 event;
7287 char *evStr = ioc->evStr;
7288
7289 event = le32_to_cpu(pEventReply->Event) & 0xFF;
7290 evData0 = le32_to_cpu(pEventReply->Data[0]);
7291
7292 switch(event) {
7293 case MPI_EVENT_NONE:
7294 ds = "None";
7295 break;
7296 case MPI_EVENT_LOG_DATA:
7297 ds = "Log Data";
7298 break;
7299 case MPI_EVENT_STATE_CHANGE:
7300 ds = "State Change";
7301 break;
7302 case MPI_EVENT_UNIT_ATTENTION:
7303 ds = "Unit Attention";
7304 break;
7305 case MPI_EVENT_IOC_BUS_RESET:
7306 ds = "IOC Bus Reset";
7307 break;
7308 case MPI_EVENT_EXT_BUS_RESET:
7309 ds = "External Bus Reset";
7310 break;
7311 case MPI_EVENT_RESCAN:
7312 ds = "Bus Rescan Event";
7313 break;
7314 case MPI_EVENT_LINK_STATUS_CHANGE:
7315 if (evData0 == MPI_EVENT_LINK_STATUS_FAILURE)
7316 ds = "Link Status(FAILURE) Change";
7317 else
7318 ds = "Link Status(ACTIVE) Change";
7319 break;
7320 case MPI_EVENT_LOOP_STATE_CHANGE:
7321 if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LIP)
7322 ds = "Loop State(LIP) Change";
7323 else if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LPE)
7324 ds = "Loop State(LPE) Change";
7325 else
7326 ds = "Loop State(LPB) Change";
7327 break;
7328 case MPI_EVENT_LOGOUT:
7329 ds = "Logout";
7330 break;
7331 case MPI_EVENT_EVENT_CHANGE:
7332 if (evData0)
7333 ds = "Events ON";
7334 else
7335 ds = "Events OFF";
7336 break;
7337 case MPI_EVENT_INTEGRATED_RAID:
7338 {
7339 u8 ReasonCode = (u8)(evData0 >> 16);
7340 switch (ReasonCode) {
7341 case MPI_EVENT_RAID_RC_VOLUME_CREATED :
7342 ds = "Integrated Raid: Volume Created";
7343 break;
7344 case MPI_EVENT_RAID_RC_VOLUME_DELETED :
7345 ds = "Integrated Raid: Volume Deleted";
7346 break;
7347 case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED :
7348 ds = "Integrated Raid: Volume Settings Changed";
7349 break;
7350 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED :
7351 ds = "Integrated Raid: Volume Status Changed";
7352 break;
7353 case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED :
7354 ds = "Integrated Raid: Volume Physdisk Changed";
7355 break;
7356 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED :
7357 ds = "Integrated Raid: Physdisk Created";
7358 break;
7359 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED :
7360 ds = "Integrated Raid: Physdisk Deleted";
7361 break;
7362 case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED :
7363 ds = "Integrated Raid: Physdisk Settings Changed";
7364 break;
7365 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED :
7366 ds = "Integrated Raid: Physdisk Status Changed";
7367 break;
7368 case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED :
7369 ds = "Integrated Raid: Domain Validation Needed";
7370 break;
7371 case MPI_EVENT_RAID_RC_SMART_DATA :
7372 ds = "Integrated Raid; Smart Data";
7373 break;
7374 case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED :
7375 ds = "Integrated Raid: Replace Action Started";
7376 break;
7377 default:
7378 ds = "Integrated Raid";
7379 break;
7380 }
7381 break;
7382 }
7383 case MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE:
7384 ds = "SCSI Device Status Change";
7385 break;
7386 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
7387 {
7388 u8 id = (u8)(evData0);
7389 u8 channel = (u8)(evData0 >> 8);
7390 u8 ReasonCode = (u8)(evData0 >> 16);
7391 switch (ReasonCode) {
7392 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
7393 snprintf(evStr, EVENT_DESCR_STR_SZ,
7394 "SAS Device Status Change: Added: "
7395 "id=%d channel=%d", id, channel);
7396 break;
7397 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
7398 snprintf(evStr, EVENT_DESCR_STR_SZ,
7399 "SAS Device Status Change: Deleted: "
7400 "id=%d channel=%d", id, channel);
7401 break;
7402 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
7403 snprintf(evStr, EVENT_DESCR_STR_SZ,
7404 "SAS Device Status Change: SMART Data: "
7405 "id=%d channel=%d", id, channel);
7406 break;
7407 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
7408 snprintf(evStr, EVENT_DESCR_STR_SZ,
7409 "SAS Device Status Change: No Persistancy: "
7410 "id=%d channel=%d", id, channel);
7411 break;
7412 case MPI_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
7413 snprintf(evStr, EVENT_DESCR_STR_SZ,
7414 "SAS Device Status Change: Unsupported Device "
7415 "Discovered : id=%d channel=%d", id, channel);
7416 break;
7417 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
7418 snprintf(evStr, EVENT_DESCR_STR_SZ,
7419 "SAS Device Status Change: Internal Device "
7420 "Reset : id=%d channel=%d", id, channel);
7421 break;
7422 case MPI_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
7423 snprintf(evStr, EVENT_DESCR_STR_SZ,
7424 "SAS Device Status Change: Internal Task "
7425 "Abort : id=%d channel=%d", id, channel);
7426 break;
7427 case MPI_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
7428 snprintf(evStr, EVENT_DESCR_STR_SZ,
7429 "SAS Device Status Change: Internal Abort "
7430 "Task Set : id=%d channel=%d", id, channel);
7431 break;
7432 case MPI_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
7433 snprintf(evStr, EVENT_DESCR_STR_SZ,
7434 "SAS Device Status Change: Internal Clear "
7435 "Task Set : id=%d channel=%d", id, channel);
7436 break;
7437 case MPI_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
7438 snprintf(evStr, EVENT_DESCR_STR_SZ,
7439 "SAS Device Status Change: Internal Query "
7440 "Task : id=%d channel=%d", id, channel);
7441 break;
7442 default:
7443 snprintf(evStr, EVENT_DESCR_STR_SZ,
7444 "SAS Device Status Change: Unknown: "
7445 "id=%d channel=%d", id, channel);
7446 break;
7447 }
7448 break;
7449 }
7450 case MPI_EVENT_ON_BUS_TIMER_EXPIRED:
7451 ds = "Bus Timer Expired";
7452 break;
7453 case MPI_EVENT_QUEUE_FULL:
7454 {
7455 u16 curr_depth = (u16)(evData0 >> 16);
7456 u8 channel = (u8)(evData0 >> 8);
7457 u8 id = (u8)(evData0);
7458
7459 snprintf(evStr, EVENT_DESCR_STR_SZ,
7460 "Queue Full: channel=%d id=%d depth=%d",
7461 channel, id, curr_depth);
7462 break;
7463 }
7464 case MPI_EVENT_SAS_SES:
7465 ds = "SAS SES Event";
7466 break;
7467 case MPI_EVENT_PERSISTENT_TABLE_FULL:
7468 ds = "Persistent Table Full";
7469 break;
7470 case MPI_EVENT_SAS_PHY_LINK_STATUS:
7471 {
7472 u8 LinkRates = (u8)(evData0 >> 8);
7473 u8 PhyNumber = (u8)(evData0);
7474 LinkRates = (LinkRates & MPI_EVENT_SAS_PLS_LR_CURRENT_MASK) >>
7475 MPI_EVENT_SAS_PLS_LR_CURRENT_SHIFT;
7476 switch (LinkRates) {
7477 case MPI_EVENT_SAS_PLS_LR_RATE_UNKNOWN:
7478 snprintf(evStr, EVENT_DESCR_STR_SZ,
7479 "SAS PHY Link Status: Phy=%d:"
7480 " Rate Unknown",PhyNumber);
7481 break;
7482 case MPI_EVENT_SAS_PLS_LR_RATE_PHY_DISABLED:
7483 snprintf(evStr, EVENT_DESCR_STR_SZ,
7484 "SAS PHY Link Status: Phy=%d:"
7485 " Phy Disabled",PhyNumber);
7486 break;
7487 case MPI_EVENT_SAS_PLS_LR_RATE_FAILED_SPEED_NEGOTIATION:
7488 snprintf(evStr, EVENT_DESCR_STR_SZ,
7489 "SAS PHY Link Status: Phy=%d:"
7490 " Failed Speed Nego",PhyNumber);
7491 break;
7492 case MPI_EVENT_SAS_PLS_LR_RATE_SATA_OOB_COMPLETE:
7493 snprintf(evStr, EVENT_DESCR_STR_SZ,
7494 "SAS PHY Link Status: Phy=%d:"
7495 " Sata OOB Completed",PhyNumber);
7496 break;
7497 case MPI_EVENT_SAS_PLS_LR_RATE_1_5:
7498 snprintf(evStr, EVENT_DESCR_STR_SZ,
7499 "SAS PHY Link Status: Phy=%d:"
7500 " Rate 1.5 Gbps",PhyNumber);
7501 break;
7502 case MPI_EVENT_SAS_PLS_LR_RATE_3_0:
7503 snprintf(evStr, EVENT_DESCR_STR_SZ,
7504 "SAS PHY Link Status: Phy=%d:"
7505 " Rate 3.0 Gbps", PhyNumber);
7506 break;
7507 case MPI_EVENT_SAS_PLS_LR_RATE_6_0:
7508 snprintf(evStr, EVENT_DESCR_STR_SZ,
7509 "SAS PHY Link Status: Phy=%d:"
7510 " Rate 6.0 Gbps", PhyNumber);
7511 break;
7512 default:
7513 snprintf(evStr, EVENT_DESCR_STR_SZ,
7514 "SAS PHY Link Status: Phy=%d", PhyNumber);
7515 break;
7516 }
7517 break;
7518 }
7519 case MPI_EVENT_SAS_DISCOVERY_ERROR:
7520 ds = "SAS Discovery Error";
7521 break;
7522 case MPI_EVENT_IR_RESYNC_UPDATE:
7523 {
7524 u8 resync_complete = (u8)(evData0 >> 16);
7525 snprintf(evStr, EVENT_DESCR_STR_SZ,
7526 "IR Resync Update: Complete = %d:",resync_complete);
7527 break;
7528 }
7529 case MPI_EVENT_IR2:
7530 {
7531 u8 id = (u8)(evData0);
7532 u8 channel = (u8)(evData0 >> 8);
7533 u8 phys_num = (u8)(evData0 >> 24);
7534 u8 ReasonCode = (u8)(evData0 >> 16);
7535
7536 switch (ReasonCode) {
7537 case MPI_EVENT_IR2_RC_LD_STATE_CHANGED:
7538 snprintf(evStr, EVENT_DESCR_STR_SZ,
7539 "IR2: LD State Changed: "
7540 "id=%d channel=%d phys_num=%d",
7541 id, channel, phys_num);
7542 break;
7543 case MPI_EVENT_IR2_RC_PD_STATE_CHANGED:
7544 snprintf(evStr, EVENT_DESCR_STR_SZ,
7545 "IR2: PD State Changed "
7546 "id=%d channel=%d phys_num=%d",
7547 id, channel, phys_num);
7548 break;
7549 case MPI_EVENT_IR2_RC_BAD_BLOCK_TABLE_FULL:
7550 snprintf(evStr, EVENT_DESCR_STR_SZ,
7551 "IR2: Bad Block Table Full: "
7552 "id=%d channel=%d phys_num=%d",
7553 id, channel, phys_num);
7554 break;
7555 case MPI_EVENT_IR2_RC_PD_INSERTED:
7556 snprintf(evStr, EVENT_DESCR_STR_SZ,
7557 "IR2: PD Inserted: "
7558 "id=%d channel=%d phys_num=%d",
7559 id, channel, phys_num);
7560 break;
7561 case MPI_EVENT_IR2_RC_PD_REMOVED:
7562 snprintf(evStr, EVENT_DESCR_STR_SZ,
7563 "IR2: PD Removed: "
7564 "id=%d channel=%d phys_num=%d",
7565 id, channel, phys_num);
7566 break;
7567 case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED:
7568 snprintf(evStr, EVENT_DESCR_STR_SZ,
7569 "IR2: Foreign CFG Detected: "
7570 "id=%d channel=%d phys_num=%d",
7571 id, channel, phys_num);
7572 break;
7573 case MPI_EVENT_IR2_RC_REBUILD_MEDIUM_ERROR:
7574 snprintf(evStr, EVENT_DESCR_STR_SZ,
7575 "IR2: Rebuild Medium Error: "
7576 "id=%d channel=%d phys_num=%d",
7577 id, channel, phys_num);
7578 break;
7579 case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED:
7580 snprintf(evStr, EVENT_DESCR_STR_SZ,
7581 "IR2: Dual Port Added: "
7582 "id=%d channel=%d phys_num=%d",
7583 id, channel, phys_num);
7584 break;
7585 case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED:
7586 snprintf(evStr, EVENT_DESCR_STR_SZ,
7587 "IR2: Dual Port Removed: "
7588 "id=%d channel=%d phys_num=%d",
7589 id, channel, phys_num);
7590 break;
7591 default:
7592 ds = "IR2";
7593 break;
7594 }
7595 break;
7596 }
7597 case MPI_EVENT_SAS_DISCOVERY:
7598 {
7599 if (evData0)
7600 ds = "SAS Discovery: Start";
7601 else
7602 ds = "SAS Discovery: Stop";
7603 break;
7604 }
7605 case MPI_EVENT_LOG_ENTRY_ADDED:
7606 ds = "SAS Log Entry Added";
7607 break;
7608
7609 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
7610 {
7611 u8 phy_num = (u8)(evData0);
7612 u8 port_num = (u8)(evData0 >> 8);
7613 u8 port_width = (u8)(evData0 >> 16);
7614 u8 primative = (u8)(evData0 >> 24);
7615 snprintf(evStr, EVENT_DESCR_STR_SZ,
7616 "SAS Broadcase Primative: phy=%d port=%d "
7617 "width=%d primative=0x%02x",
7618 phy_num, port_num, port_width, primative);
7619 break;
7620 }
7621
7622 case MPI_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE:
7623 {
7624 u8 reason = (u8)(evData0);
7625
7626 switch (reason) {
7627 case MPI_EVENT_SAS_INIT_RC_ADDED:
7628 ds = "SAS Initiator Status Change: Added";
7629 break;
7630 case MPI_EVENT_SAS_INIT_RC_REMOVED:
7631 ds = "SAS Initiator Status Change: Deleted";
7632 break;
7633 default:
7634 ds = "SAS Initiator Status Change";
7635 break;
7636 }
7637 break;
7638 }
7639
7640 case MPI_EVENT_SAS_INIT_TABLE_OVERFLOW:
7641 {
7642 u8 max_init = (u8)(evData0);
7643 u8 current_init = (u8)(evData0 >> 8);
7644
7645 snprintf(evStr, EVENT_DESCR_STR_SZ,
7646 "SAS Initiator Device Table Overflow: max initiators=%02d "
7647 "current initators=%02d",
7648 max_init, current_init);
7649 break;
7650 }
7651 case MPI_EVENT_SAS_SMP_ERROR:
7652 {
7653 u8 status = (u8)(evData0);
7654 u8 port_num = (u8)(evData0 >> 8);
7655 u8 result = (u8)(evData0 >> 16);
7656
7657 if (status == MPI_EVENT_SAS_SMP_FUNCTION_RESULT_VALID)
7658 snprintf(evStr, EVENT_DESCR_STR_SZ,
7659 "SAS SMP Error: port=%d result=0x%02x",
7660 port_num, result);
7661 else if (status == MPI_EVENT_SAS_SMP_CRC_ERROR)
7662 snprintf(evStr, EVENT_DESCR_STR_SZ,
7663 "SAS SMP Error: port=%d : CRC Error",
7664 port_num);
7665 else if (status == MPI_EVENT_SAS_SMP_TIMEOUT)
7666 snprintf(evStr, EVENT_DESCR_STR_SZ,
7667 "SAS SMP Error: port=%d : Timeout",
7668 port_num);
7669 else if (status == MPI_EVENT_SAS_SMP_NO_DESTINATION)
7670 snprintf(evStr, EVENT_DESCR_STR_SZ,
7671 "SAS SMP Error: port=%d : No Destination",
7672 port_num);
7673 else if (status == MPI_EVENT_SAS_SMP_BAD_DESTINATION)
7674 snprintf(evStr, EVENT_DESCR_STR_SZ,
7675 "SAS SMP Error: port=%d : Bad Destination",
7676 port_num);
7677 else
7678 snprintf(evStr, EVENT_DESCR_STR_SZ,
7679 "SAS SMP Error: port=%d : status=0x%02x",
7680 port_num, status);
7681 break;
7682 }
7683
7684 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
7685 {
7686 u8 reason = (u8)(evData0);
7687
7688 switch (reason) {
7689 case MPI_EVENT_SAS_EXP_RC_ADDED:
7690 ds = "Expander Status Change: Added";
7691 break;
7692 case MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING:
7693 ds = "Expander Status Change: Deleted";
7694 break;
7695 default:
7696 ds = "Expander Status Change";
7697 break;
7698 }
7699 break;
7700 }
7701
7702 /*
7703 * MPT base "custom" events may be added here...
7704 */
7705 default:
7706 ds = "Unknown";
7707 break;
7708 }
7709 if (ds)
7710 strncpy(evStr, ds, EVENT_DESCR_STR_SZ);
7711
7712
7713 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7714 "MPT event:(%02Xh) : %s\n",
7715 ioc->name, event, evStr));
7716
7717 devtverboseprintk(ioc, printk(KERN_DEBUG MYNAM
7718 ": Event data:\n"));
7719 for (ii = 0; ii < le16_to_cpu(pEventReply->EventDataLength); ii++)
7720 devtverboseprintk(ioc, printk(" %08x",
7721 le32_to_cpu(pEventReply->Data[ii])));
7722 devtverboseprintk(ioc, printk(KERN_DEBUG "\n"));
7723}
7724#endif
7725/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7726/**
7727 * ProcessEventNotification - Route EventNotificationReply to all event handlers
7728 * @ioc: Pointer to MPT_ADAPTER structure
7729 * @pEventReply: Pointer to EventNotification reply frame
7730 * @evHandlers: Pointer to integer, number of event handlers
7731 *
7732 * Routes a received EventNotificationReply to all currently registered
7733 * event handlers.
7734 * Returns sum of event handlers return values.
7735 */
7736static int
7737ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply, int *evHandlers)
7738{
7739 u16 evDataLen;
7740 u32 evData0 = 0;
7741 int ii;
7742 u8 cb_idx;
7743 int r = 0;
7744 int handlers = 0;
7745 u8 event;
7746
7747 /*
7748 * Do platform normalization of values
7749 */
7750 event = le32_to_cpu(pEventReply->Event) & 0xFF;
7751 evDataLen = le16_to_cpu(pEventReply->EventDataLength);
7752 if (evDataLen) {
7753 evData0 = le32_to_cpu(pEventReply->Data[0]);
7754 }
7755
7756#ifdef CONFIG_FUSION_LOGGING
7757 if (evDataLen)
7758 mpt_display_event_info(ioc, pEventReply);
7759#endif
7760
7761 /*
7762 * Do general / base driver event processing
7763 */
7764 switch(event) {
7765 case MPI_EVENT_EVENT_CHANGE: /* 0A */
7766 if (evDataLen) {
7767 u8 evState = evData0 & 0xFF;
7768
7769 /* CHECKME! What if evState unexpectedly says OFF (0)? */
7770
7771 /* Update EventState field in cached IocFacts */
7772 if (ioc->facts.Function) {
7773 ioc->facts.EventState = evState;
7774 }
7775 }
7776 break;
7777 case MPI_EVENT_INTEGRATED_RAID:
7778 mptbase_raid_process_event_data(ioc,
7779 (MpiEventDataRaid_t *)pEventReply->Data);
7780 break;
7781 default:
7782 break;
7783 }
7784
7785 /*
7786 * Should this event be logged? Events are written sequentially.
7787 * When buffer is full, start again at the top.
7788 */
7789 if (ioc->events && (ioc->eventTypes & ( 1 << event))) {
7790 int idx;
7791
7792 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
7793
7794 ioc->events[idx].event = event;
7795 ioc->events[idx].eventContext = ioc->eventContext;
7796
7797 for (ii = 0; ii < 2; ii++) {
7798 if (ii < evDataLen)
7799 ioc->events[idx].data[ii] = le32_to_cpu(pEventReply->Data[ii]);
7800 else
7801 ioc->events[idx].data[ii] = 0;
7802 }
7803
7804 ioc->eventContext++;
7805 }
7806
7807
7808 /*
7809 * Call each currently registered protocol event handler.
7810 */
7811 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7812 if (MptEvHandlers[cb_idx]) {
7813 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7814 "Routing Event to event handler #%d\n",
7815 ioc->name, cb_idx));
7816 r += (*(MptEvHandlers[cb_idx]))(ioc, pEventReply);
7817 handlers++;
7818 }
7819 }
7820 /* FIXME? Examine results here? */
7821
7822 /*
7823 * If needed, send (a single) EventAck.
7824 */
7825 if (pEventReply->AckRequired == MPI_EVENT_NOTIFICATION_ACK_REQUIRED) {
7826 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7827 "EventAck required\n",ioc->name));
7828 if ((ii = SendEventAck(ioc, pEventReply)) != 0) {
7829 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SendEventAck returned %d\n",
7830 ioc->name, ii));
7831 }
7832 }
7833
7834 *evHandlers = handlers;
7835 return r;
7836}
7837
7838/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7839/**
7840 * mpt_fc_log_info - Log information returned from Fibre Channel IOC.
7841 * @ioc: Pointer to MPT_ADAPTER structure
7842 * @log_info: U32 LogInfo reply word from the IOC
7843 *
7844 * Refer to lsi/mpi_log_fc.h.
7845 */
7846static void
7847mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info)
7848{
7849 char *desc = "unknown";
7850
7851 switch (log_info & 0xFF000000) {
7852 case MPI_IOCLOGINFO_FC_INIT_BASE:
7853 desc = "FCP Initiator";
7854 break;
7855 case MPI_IOCLOGINFO_FC_TARGET_BASE:
7856 desc = "FCP Target";
7857 break;
7858 case MPI_IOCLOGINFO_FC_LAN_BASE:
7859 desc = "LAN";
7860 break;
7861 case MPI_IOCLOGINFO_FC_MSG_BASE:
7862 desc = "MPI Message Layer";
7863 break;
7864 case MPI_IOCLOGINFO_FC_LINK_BASE:
7865 desc = "FC Link";
7866 break;
7867 case MPI_IOCLOGINFO_FC_CTX_BASE:
7868 desc = "Context Manager";
7869 break;
7870 case MPI_IOCLOGINFO_FC_INVALID_FIELD_BYTE_OFFSET:
7871 desc = "Invalid Field Offset";
7872 break;
7873 case MPI_IOCLOGINFO_FC_STATE_CHANGE:
7874 desc = "State Change Info";
7875 break;
7876 }
7877
7878 printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): SubClass={%s}, Value=(0x%06x)\n",
7879 ioc->name, log_info, desc, (log_info & 0xFFFFFF));
7880}
7881
7882/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7883/**
7884 * mpt_spi_log_info - Log information returned from SCSI Parallel IOC.
7885 * @ioc: Pointer to MPT_ADAPTER structure
7886 * @log_info: U32 LogInfo word from the IOC
7887 *
7888 * Refer to lsi/sp_log.h.
7889 */
7890static void
7891mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info)
7892{
7893 u32 info = log_info & 0x00FF0000;
7894 char *desc = "unknown";
7895
7896 switch (info) {
7897 case 0x00010000:
7898 desc = "bug! MID not found";
7899 break;
7900
7901 case 0x00020000:
7902 desc = "Parity Error";
7903 break;
7904
7905 case 0x00030000:
7906 desc = "ASYNC Outbound Overrun";
7907 break;
7908
7909 case 0x00040000:
7910 desc = "SYNC Offset Error";
7911 break;
7912
7913 case 0x00050000:
7914 desc = "BM Change";
7915 break;
7916
7917 case 0x00060000:
7918 desc = "Msg In Overflow";
7919 break;
7920
7921 case 0x00070000:
7922 desc = "DMA Error";
7923 break;
7924
7925 case 0x00080000:
7926 desc = "Outbound DMA Overrun";
7927 break;
7928
7929 case 0x00090000:
7930 desc = "Task Management";
7931 break;
7932
7933 case 0x000A0000:
7934 desc = "Device Problem";
7935 break;
7936
7937 case 0x000B0000:
7938 desc = "Invalid Phase Change";
7939 break;
7940
7941 case 0x000C0000:
7942 desc = "Untagged Table Size";
7943 break;
7944
7945 }
7946
7947 printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): F/W: %s\n", ioc->name, log_info, desc);
7948}
7949
7950/* strings for sas loginfo */
7951 static char *originator_str[] = {
7952 "IOP", /* 00h */
7953 "PL", /* 01h */
7954 "IR" /* 02h */
7955 };
7956 static char *iop_code_str[] = {
7957 NULL, /* 00h */
7958 "Invalid SAS Address", /* 01h */
7959 NULL, /* 02h */
7960 "Invalid Page", /* 03h */
7961 "Diag Message Error", /* 04h */
7962 "Task Terminated", /* 05h */
7963 "Enclosure Management", /* 06h */
7964 "Target Mode" /* 07h */
7965 };
7966 static char *pl_code_str[] = {
7967 NULL, /* 00h */
7968 "Open Failure", /* 01h */
7969 "Invalid Scatter Gather List", /* 02h */
7970 "Wrong Relative Offset or Frame Length", /* 03h */
7971 "Frame Transfer Error", /* 04h */
7972 "Transmit Frame Connected Low", /* 05h */
7973 "SATA Non-NCQ RW Error Bit Set", /* 06h */
7974 "SATA Read Log Receive Data Error", /* 07h */
7975 "SATA NCQ Fail All Commands After Error", /* 08h */
7976 "SATA Error in Receive Set Device Bit FIS", /* 09h */
7977 "Receive Frame Invalid Message", /* 0Ah */
7978 "Receive Context Message Valid Error", /* 0Bh */
7979 "Receive Frame Current Frame Error", /* 0Ch */
7980 "SATA Link Down", /* 0Dh */
7981 "Discovery SATA Init W IOS", /* 0Eh */
7982 "Config Invalid Page", /* 0Fh */
7983 "Discovery SATA Init Timeout", /* 10h */
7984 "Reset", /* 11h */
7985 "Abort", /* 12h */
7986 "IO Not Yet Executed", /* 13h */
7987 "IO Executed", /* 14h */
7988 "Persistent Reservation Out Not Affiliation "
7989 "Owner", /* 15h */
7990 "Open Transmit DMA Abort", /* 16h */
7991 "IO Device Missing Delay Retry", /* 17h */
7992 "IO Cancelled Due to Receive Error", /* 18h */
7993 NULL, /* 19h */
7994 NULL, /* 1Ah */
7995 NULL, /* 1Bh */
7996 NULL, /* 1Ch */
7997 NULL, /* 1Dh */
7998 NULL, /* 1Eh */
7999 NULL, /* 1Fh */
8000 "Enclosure Management" /* 20h */
8001 };
8002 static char *ir_code_str[] = {
8003 "Raid Action Error", /* 00h */
8004 NULL, /* 00h */
8005 NULL, /* 01h */
8006 NULL, /* 02h */
8007 NULL, /* 03h */
8008 NULL, /* 04h */
8009 NULL, /* 05h */
8010 NULL, /* 06h */
8011 NULL /* 07h */
8012 };
8013 static char *raid_sub_code_str[] = {
8014 NULL, /* 00h */
8015 "Volume Creation Failed: Data Passed too "
8016 "Large", /* 01h */
8017 "Volume Creation Failed: Duplicate Volumes "
8018 "Attempted", /* 02h */
8019 "Volume Creation Failed: Max Number "
8020 "Supported Volumes Exceeded", /* 03h */
8021 "Volume Creation Failed: DMA Error", /* 04h */
8022 "Volume Creation Failed: Invalid Volume Type", /* 05h */
8023 "Volume Creation Failed: Error Reading "
8024 "MFG Page 4", /* 06h */
8025 "Volume Creation Failed: Creating Internal "
8026 "Structures", /* 07h */
8027 NULL, /* 08h */
8028 NULL, /* 09h */
8029 NULL, /* 0Ah */
8030 NULL, /* 0Bh */
8031 NULL, /* 0Ch */
8032 NULL, /* 0Dh */
8033 NULL, /* 0Eh */
8034 NULL, /* 0Fh */
8035 "Activation failed: Already Active Volume", /* 10h */
8036 "Activation failed: Unsupported Volume Type", /* 11h */
8037 "Activation failed: Too Many Active Volumes", /* 12h */
8038 "Activation failed: Volume ID in Use", /* 13h */
8039 "Activation failed: Reported Failure", /* 14h */
8040 "Activation failed: Importing a Volume", /* 15h */
8041 NULL, /* 16h */
8042 NULL, /* 17h */
8043 NULL, /* 18h */
8044 NULL, /* 19h */
8045 NULL, /* 1Ah */
8046 NULL, /* 1Bh */
8047 NULL, /* 1Ch */
8048 NULL, /* 1Dh */
8049 NULL, /* 1Eh */
8050 NULL, /* 1Fh */
8051 "Phys Disk failed: Too Many Phys Disks", /* 20h */
8052 "Phys Disk failed: Data Passed too Large", /* 21h */
8053 "Phys Disk failed: DMA Error", /* 22h */
8054 "Phys Disk failed: Invalid <channel:id>", /* 23h */
8055 "Phys Disk failed: Creating Phys Disk Config "
8056 "Page", /* 24h */
8057 NULL, /* 25h */
8058 NULL, /* 26h */
8059 NULL, /* 27h */
8060 NULL, /* 28h */
8061 NULL, /* 29h */
8062 NULL, /* 2Ah */
8063 NULL, /* 2Bh */
8064 NULL, /* 2Ch */
8065 NULL, /* 2Dh */
8066 NULL, /* 2Eh */
8067 NULL, /* 2Fh */
8068 "Compatibility Error: IR Disabled", /* 30h */
8069 "Compatibility Error: Inquiry Command Failed", /* 31h */
8070 "Compatibility Error: Device not Direct Access "
8071 "Device ", /* 32h */
8072 "Compatibility Error: Removable Device Found", /* 33h */
8073 "Compatibility Error: Device SCSI Version not "
8074 "2 or Higher", /* 34h */
8075 "Compatibility Error: SATA Device, 48 BIT LBA "
8076 "not Supported", /* 35h */
8077 "Compatibility Error: Device doesn't have "
8078 "512 Byte Block Sizes", /* 36h */
8079 "Compatibility Error: Volume Type Check Failed", /* 37h */
8080 "Compatibility Error: Volume Type is "
8081 "Unsupported by FW", /* 38h */
8082 "Compatibility Error: Disk Drive too Small for "
8083 "use in Volume", /* 39h */
8084 "Compatibility Error: Phys Disk for Create "
8085 "Volume not Found", /* 3Ah */
8086 "Compatibility Error: Too Many or too Few "
8087 "Disks for Volume Type", /* 3Bh */
8088 "Compatibility Error: Disk stripe Sizes "
8089 "Must be 64KB", /* 3Ch */
8090 "Compatibility Error: IME Size Limited to < 2TB", /* 3Dh */
8091 };
8092
8093/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8094/**
8095 * mpt_sas_log_info - Log information returned from SAS IOC.
8096 * @ioc: Pointer to MPT_ADAPTER structure
8097 * @log_info: U32 LogInfo reply word from the IOC
8098 * @cb_idx: callback function's handle
8099 *
8100 * Refer to lsi/mpi_log_sas.h.
8101 **/
8102static void
8103mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info, u8 cb_idx)
8104{
8105union loginfo_type {
8106 u32 loginfo;
8107 struct {
8108 u32 subcode:16;
8109 u32 code:8;
8110 u32 originator:4;
8111 u32 bus_type:4;
8112 }dw;
8113};
8114 union loginfo_type sas_loginfo;
8115 char *originator_desc = NULL;
8116 char *code_desc = NULL;
8117 char *sub_code_desc = NULL;
8118
8119 sas_loginfo.loginfo = log_info;
8120 if ((sas_loginfo.dw.bus_type != 3 /*SAS*/) &&
8121 (sas_loginfo.dw.originator < ARRAY_SIZE(originator_str)))
8122 return;
8123
8124 originator_desc = originator_str[sas_loginfo.dw.originator];
8125
8126 switch (sas_loginfo.dw.originator) {
8127
8128 case 0: /* IOP */
8129 if (sas_loginfo.dw.code <
8130 ARRAY_SIZE(iop_code_str))
8131 code_desc = iop_code_str[sas_loginfo.dw.code];
8132 break;
8133 case 1: /* PL */
8134 if (sas_loginfo.dw.code <
8135 ARRAY_SIZE(pl_code_str))
8136 code_desc = pl_code_str[sas_loginfo.dw.code];
8137 break;
8138 case 2: /* IR */
8139 if (sas_loginfo.dw.code >=
8140 ARRAY_SIZE(ir_code_str))
8141 break;
8142 code_desc = ir_code_str[sas_loginfo.dw.code];
8143 if (sas_loginfo.dw.subcode >=
8144 ARRAY_SIZE(raid_sub_code_str))
8145 break;
8146 if (sas_loginfo.dw.code == 0)
8147 sub_code_desc =
8148 raid_sub_code_str[sas_loginfo.dw.subcode];
8149 break;
8150 default:
8151 return;
8152 }
8153
8154 if (sub_code_desc != NULL)
8155 printk(MYIOC_s_INFO_FMT
8156 "LogInfo(0x%08x): Originator={%s}, Code={%s},"
8157 " SubCode={%s} cb_idx %s\n",
8158 ioc->name, log_info, originator_desc, code_desc,
8159 sub_code_desc, MptCallbacksName[cb_idx]);
8160 else if (code_desc != NULL)
8161 printk(MYIOC_s_INFO_FMT
8162 "LogInfo(0x%08x): Originator={%s}, Code={%s},"
8163 " SubCode(0x%04x) cb_idx %s\n",
8164 ioc->name, log_info, originator_desc, code_desc,
8165 sas_loginfo.dw.subcode, MptCallbacksName[cb_idx]);
8166 else
8167 printk(MYIOC_s_INFO_FMT
8168 "LogInfo(0x%08x): Originator={%s}, Code=(0x%02x),"
8169 " SubCode(0x%04x) cb_idx %s\n",
8170 ioc->name, log_info, originator_desc,
8171 sas_loginfo.dw.code, sas_loginfo.dw.subcode,
8172 MptCallbacksName[cb_idx]);
8173}
8174
8175/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8176/**
8177 * mpt_iocstatus_info_config - IOCSTATUS information for config pages
8178 * @ioc: Pointer to MPT_ADAPTER structure
8179 * @ioc_status: U32 IOCStatus word from IOC
8180 * @mf: Pointer to MPT request frame
8181 *
8182 * Refer to lsi/mpi.h.
8183 **/
8184static void
8185mpt_iocstatus_info_config(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf)
8186{
8187 Config_t *pReq = (Config_t *)mf;
8188 char extend_desc[EVENT_DESCR_STR_SZ];
8189 char *desc = NULL;
8190 u32 form;
8191 u8 page_type;
8192
8193 if (pReq->Header.PageType == MPI_CONFIG_PAGETYPE_EXTENDED)
8194 page_type = pReq->ExtPageType;
8195 else
8196 page_type = pReq->Header.PageType;
8197
8198 /*
8199 * ignore invalid page messages for GET_NEXT_HANDLE
8200 */
8201 form = le32_to_cpu(pReq->PageAddress);
8202 if (ioc_status == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
8203 if (page_type == MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE ||
8204 page_type == MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER ||
8205 page_type == MPI_CONFIG_EXTPAGETYPE_ENCLOSURE) {
8206 if ((form >> MPI_SAS_DEVICE_PGAD_FORM_SHIFT) ==
8207 MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE)
8208 return;
8209 }
8210 if (page_type == MPI_CONFIG_PAGETYPE_FC_DEVICE)
8211 if ((form & MPI_FC_DEVICE_PGAD_FORM_MASK) ==
8212 MPI_FC_DEVICE_PGAD_FORM_NEXT_DID)
8213 return;
8214 }
8215
8216 snprintf(extend_desc, EVENT_DESCR_STR_SZ,
8217 "type=%02Xh, page=%02Xh, action=%02Xh, form=%08Xh",
8218 page_type, pReq->Header.PageNumber, pReq->Action, form);
8219
8220 switch (ioc_status) {
8221
8222 case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */
8223 desc = "Config Page Invalid Action";
8224 break;
8225
8226 case MPI_IOCSTATUS_CONFIG_INVALID_TYPE: /* 0x0021 */
8227 desc = "Config Page Invalid Type";
8228 break;
8229
8230 case MPI_IOCSTATUS_CONFIG_INVALID_PAGE: /* 0x0022 */
8231 desc = "Config Page Invalid Page";
8232 break;
8233
8234 case MPI_IOCSTATUS_CONFIG_INVALID_DATA: /* 0x0023 */
8235 desc = "Config Page Invalid Data";
8236 break;
8237
8238 case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS: /* 0x0024 */
8239 desc = "Config Page No Defaults";
8240 break;
8241
8242 case MPI_IOCSTATUS_CONFIG_CANT_COMMIT: /* 0x0025 */
8243 desc = "Config Page Can't Commit";
8244 break;
8245 }
8246
8247 if (!desc)
8248 return;
8249
8250 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s: %s\n",
8251 ioc->name, ioc_status, desc, extend_desc));
8252}
8253
8254/**
8255 * mpt_iocstatus_info - IOCSTATUS information returned from IOC.
8256 * @ioc: Pointer to MPT_ADAPTER structure
8257 * @ioc_status: U32 IOCStatus word from IOC
8258 * @mf: Pointer to MPT request frame
8259 *
8260 * Refer to lsi/mpi.h.
8261 **/
8262static void
8263mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf)
8264{
8265 u32 status = ioc_status & MPI_IOCSTATUS_MASK;
8266 char *desc = NULL;
8267
8268 switch (status) {
8269
8270/****************************************************************************/
8271/* Common IOCStatus values for all replies */
8272/****************************************************************************/
8273
8274 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
8275 desc = "Invalid Function";
8276 break;
8277
8278 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
8279 desc = "Busy";
8280 break;
8281
8282 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
8283 desc = "Invalid SGL";
8284 break;
8285
8286 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
8287 desc = "Internal Error";
8288 break;
8289
8290 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
8291 desc = "Reserved";
8292 break;
8293
8294 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
8295 desc = "Insufficient Resources";
8296 break;
8297
8298 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
8299 desc = "Invalid Field";
8300 break;
8301
8302 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
8303 desc = "Invalid State";
8304 break;
8305
8306/****************************************************************************/
8307/* Config IOCStatus values */
8308/****************************************************************************/
8309
8310 case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */
8311 case MPI_IOCSTATUS_CONFIG_INVALID_TYPE: /* 0x0021 */
8312 case MPI_IOCSTATUS_CONFIG_INVALID_PAGE: /* 0x0022 */
8313 case MPI_IOCSTATUS_CONFIG_INVALID_DATA: /* 0x0023 */
8314 case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS: /* 0x0024 */
8315 case MPI_IOCSTATUS_CONFIG_CANT_COMMIT: /* 0x0025 */
8316 mpt_iocstatus_info_config(ioc, status, mf);
8317 break;
8318
8319/****************************************************************************/
8320/* SCSIIO Reply (SPI, FCP, SAS) initiator values */
8321/* */
8322/* Look at mptscsih_iocstatus_info_scsiio in mptscsih.c */
8323/* */
8324/****************************************************************************/
8325
8326 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
8327 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
8328 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
8329 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
8330 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
8331 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
8332 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
8333 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
8334 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
8335 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
8336 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
8337 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
8338 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
8339 break;
8340
8341/****************************************************************************/
8342/* SCSI Target values */
8343/****************************************************************************/
8344
8345 case MPI_IOCSTATUS_TARGET_PRIORITY_IO: /* 0x0060 */
8346 desc = "Target: Priority IO";
8347 break;
8348
8349 case MPI_IOCSTATUS_TARGET_INVALID_PORT: /* 0x0061 */
8350 desc = "Target: Invalid Port";
8351 break;
8352
8353 case MPI_IOCSTATUS_TARGET_INVALID_IO_INDEX: /* 0x0062 */
8354 desc = "Target Invalid IO Index:";
8355 break;
8356
8357 case MPI_IOCSTATUS_TARGET_ABORTED: /* 0x0063 */
8358 desc = "Target: Aborted";
8359 break;
8360
8361 case MPI_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: /* 0x0064 */
8362 desc = "Target: No Conn Retryable";
8363 break;
8364
8365 case MPI_IOCSTATUS_TARGET_NO_CONNECTION: /* 0x0065 */
8366 desc = "Target: No Connection";
8367 break;
8368
8369 case MPI_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: /* 0x006A */
8370 desc = "Target: Transfer Count Mismatch";
8371 break;
8372
8373 case MPI_IOCSTATUS_TARGET_STS_DATA_NOT_SENT: /* 0x006B */
8374 desc = "Target: STS Data not Sent";
8375 break;
8376
8377 case MPI_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: /* 0x006D */
8378 desc = "Target: Data Offset Error";
8379 break;
8380
8381 case MPI_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: /* 0x006E */
8382 desc = "Target: Too Much Write Data";
8383 break;
8384
8385 case MPI_IOCSTATUS_TARGET_IU_TOO_SHORT: /* 0x006F */
8386 desc = "Target: IU Too Short";
8387 break;
8388
8389 case MPI_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: /* 0x0070 */
8390 desc = "Target: ACK NAK Timeout";
8391 break;
8392
8393 case MPI_IOCSTATUS_TARGET_NAK_RECEIVED: /* 0x0071 */
8394 desc = "Target: Nak Received";
8395 break;
8396
8397/****************************************************************************/
8398/* Fibre Channel Direct Access values */
8399/****************************************************************************/
8400
8401 case MPI_IOCSTATUS_FC_ABORTED: /* 0x0066 */
8402 desc = "FC: Aborted";
8403 break;
8404
8405 case MPI_IOCSTATUS_FC_RX_ID_INVALID: /* 0x0067 */
8406 desc = "FC: RX ID Invalid";
8407 break;
8408
8409 case MPI_IOCSTATUS_FC_DID_INVALID: /* 0x0068 */
8410 desc = "FC: DID Invalid";
8411 break;
8412
8413 case MPI_IOCSTATUS_FC_NODE_LOGGED_OUT: /* 0x0069 */
8414 desc = "FC: Node Logged Out";
8415 break;
8416
8417 case MPI_IOCSTATUS_FC_EXCHANGE_CANCELED: /* 0x006C */
8418 desc = "FC: Exchange Canceled";
8419 break;
8420
8421/****************************************************************************/
8422/* LAN values */
8423/****************************************************************************/
8424
8425 case MPI_IOCSTATUS_LAN_DEVICE_NOT_FOUND: /* 0x0080 */
8426 desc = "LAN: Device not Found";
8427 break;
8428
8429 case MPI_IOCSTATUS_LAN_DEVICE_FAILURE: /* 0x0081 */
8430 desc = "LAN: Device Failure";
8431 break;
8432
8433 case MPI_IOCSTATUS_LAN_TRANSMIT_ERROR: /* 0x0082 */
8434 desc = "LAN: Transmit Error";
8435 break;
8436
8437 case MPI_IOCSTATUS_LAN_TRANSMIT_ABORTED: /* 0x0083 */
8438 desc = "LAN: Transmit Aborted";
8439 break;
8440
8441 case MPI_IOCSTATUS_LAN_RECEIVE_ERROR: /* 0x0084 */
8442 desc = "LAN: Receive Error";
8443 break;
8444
8445 case MPI_IOCSTATUS_LAN_RECEIVE_ABORTED: /* 0x0085 */
8446 desc = "LAN: Receive Aborted";
8447 break;
8448
8449 case MPI_IOCSTATUS_LAN_PARTIAL_PACKET: /* 0x0086 */
8450 desc = "LAN: Partial Packet";
8451 break;
8452
8453 case MPI_IOCSTATUS_LAN_CANCELED: /* 0x0087 */
8454 desc = "LAN: Canceled";
8455 break;
8456
8457/****************************************************************************/
8458/* Serial Attached SCSI values */
8459/****************************************************************************/
8460
8461 case MPI_IOCSTATUS_SAS_SMP_REQUEST_FAILED: /* 0x0090 */
8462 desc = "SAS: SMP Request Failed";
8463 break;
8464
8465 case MPI_IOCSTATUS_SAS_SMP_DATA_OVERRUN: /* 0x0090 */
8466 desc = "SAS: SMP Data Overrun";
8467 break;
8468
8469 default:
8470 desc = "Others";
8471 break;
8472 }
8473
8474 if (!desc)
8475 return;
8476
8477 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s\n",
8478 ioc->name, status, desc));
8479}
8480
8481/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8482EXPORT_SYMBOL(mpt_attach);
8483EXPORT_SYMBOL(mpt_detach);
8484#ifdef CONFIG_PM
8485EXPORT_SYMBOL(mpt_resume);
8486EXPORT_SYMBOL(mpt_suspend);
8487#endif
8488EXPORT_SYMBOL(ioc_list);
8489EXPORT_SYMBOL(mpt_register);
8490EXPORT_SYMBOL(mpt_deregister);
8491EXPORT_SYMBOL(mpt_event_register);
8492EXPORT_SYMBOL(mpt_event_deregister);
8493EXPORT_SYMBOL(mpt_reset_register);
8494EXPORT_SYMBOL(mpt_reset_deregister);
8495EXPORT_SYMBOL(mpt_device_driver_register);
8496EXPORT_SYMBOL(mpt_device_driver_deregister);
8497EXPORT_SYMBOL(mpt_get_msg_frame);
8498EXPORT_SYMBOL(mpt_put_msg_frame);
8499EXPORT_SYMBOL(mpt_put_msg_frame_hi_pri);
8500EXPORT_SYMBOL(mpt_free_msg_frame);
8501EXPORT_SYMBOL(mpt_send_handshake_request);
8502EXPORT_SYMBOL(mpt_verify_adapter);
8503EXPORT_SYMBOL(mpt_GetIocState);
8504EXPORT_SYMBOL(mpt_print_ioc_summary);
8505EXPORT_SYMBOL(mpt_HardResetHandler);
8506EXPORT_SYMBOL(mpt_config);
8507EXPORT_SYMBOL(mpt_findImVolumes);
8508EXPORT_SYMBOL(mpt_alloc_fw_memory);
8509EXPORT_SYMBOL(mpt_free_fw_memory);
8510EXPORT_SYMBOL(mptbase_sas_persist_operation);
8511EXPORT_SYMBOL(mpt_raid_phys_disk_pg0);
8512
8513/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8514/**
8515 * fusion_init - Fusion MPT base driver initialization routine.
8516 *
8517 * Returns 0 for success, non-zero for failure.
8518 */
8519static int __init
8520fusion_init(void)
8521{
8522 u8 cb_idx;
8523
8524 show_mptmod_ver(my_NAME, my_VERSION);
8525 printk(KERN_INFO COPYRIGHT "\n");
8526
8527 for (cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
8528 MptCallbacks[cb_idx] = NULL;
8529 MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER;
8530 MptEvHandlers[cb_idx] = NULL;
8531 MptResetHandlers[cb_idx] = NULL;
8532 }
8533
8534 /* Register ourselves (mptbase) in order to facilitate
8535 * EventNotification handling.
8536 */
8537 mpt_base_index = mpt_register(mptbase_reply, MPTBASE_DRIVER,
8538 "mptbase_reply");
8539
8540 /* Register for hard reset handling callbacks.
8541 */
8542 mpt_reset_register(mpt_base_index, mpt_ioc_reset);
8543
8544#ifdef CONFIG_PROC_FS
8545 (void) procmpt_create();
8546#endif
8547 return 0;
8548}
8549
8550/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8551/**
8552 * fusion_exit - Perform driver unload cleanup.
8553 *
8554 * This routine frees all resources associated with each MPT adapter
8555 * and removes all %MPT_PROCFS_MPTBASEDIR entries.
8556 */
8557static void __exit
8558fusion_exit(void)
8559{
8560
8561 mpt_reset_deregister(mpt_base_index);
8562
8563#ifdef CONFIG_PROC_FS
8564 procmpt_destroy();
8565#endif
8566}
8567
8568module_init(fusion_init);
8569module_exit(fusion_exit);
1/*
2 * linux/drivers/message/fusion/mptbase.c
3 * This is the Fusion MPT base driver which supports multiple
4 * (SCSI + LAN) specialized protocol drivers.
5 * For use with LSI PCI chip/adapter(s)
6 * running LSI Fusion MPT (Message Passing Technology) firmware.
7 *
8 * Copyright (c) 1999-2008 LSI Corporation
9 * (mailto:DL-MPTFusionLinux@lsi.com)
10 *
11 */
12/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
13/*
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; version 2 of the License.
17
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
22
23 NO WARRANTY
24 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
25 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
26 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
27 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
28 solely responsible for determining the appropriateness of using and
29 distributing the Program and assumes all risks associated with its
30 exercise of rights under this Agreement, including but not limited to
31 the risks and costs of program errors, damage to or loss of data,
32 programs or equipment, and unavailability or interruption of operations.
33
34 DISCLAIMER OF LIABILITY
35 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
36 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
38 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
39 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
40 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
41 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
42
43 You should have received a copy of the GNU General Public License
44 along with this program; if not, write to the Free Software
45 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
46*/
47/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
48
49#include <linux/kernel.h>
50#include <linux/module.h>
51#include <linux/errno.h>
52#include <linux/init.h>
53#include <linux/seq_file.h>
54#include <linux/slab.h>
55#include <linux/types.h>
56#include <linux/pci.h>
57#include <linux/kdev_t.h>
58#include <linux/blkdev.h>
59#include <linux/delay.h>
60#include <linux/interrupt.h>
61#include <linux/dma-mapping.h>
62#include <linux/kthread.h>
63#include <scsi/scsi_host.h>
64
65#include "mptbase.h"
66#include "lsi/mpi_log_fc.h"
67
68/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
69#define my_NAME "Fusion MPT base driver"
70#define my_VERSION MPT_LINUX_VERSION_COMMON
71#define MYNAM "mptbase"
72
73MODULE_AUTHOR(MODULEAUTHOR);
74MODULE_DESCRIPTION(my_NAME);
75MODULE_LICENSE("GPL");
76MODULE_VERSION(my_VERSION);
77
78/*
79 * cmd line parameters
80 */
81
82static int mpt_msi_enable_spi;
83module_param(mpt_msi_enable_spi, int, 0);
84MODULE_PARM_DESC(mpt_msi_enable_spi,
85 " Enable MSI Support for SPI controllers (default=0)");
86
87static int mpt_msi_enable_fc;
88module_param(mpt_msi_enable_fc, int, 0);
89MODULE_PARM_DESC(mpt_msi_enable_fc,
90 " Enable MSI Support for FC controllers (default=0)");
91
92static int mpt_msi_enable_sas;
93module_param(mpt_msi_enable_sas, int, 0);
94MODULE_PARM_DESC(mpt_msi_enable_sas,
95 " Enable MSI Support for SAS controllers (default=0)");
96
97static int mpt_channel_mapping;
98module_param(mpt_channel_mapping, int, 0);
99MODULE_PARM_DESC(mpt_channel_mapping, " Mapping id's to channels (default=0)");
100
101static int mpt_debug_level;
102static int mpt_set_debug_level(const char *val, const struct kernel_param *kp);
103module_param_call(mpt_debug_level, mpt_set_debug_level, param_get_int,
104 &mpt_debug_level, 0600);
105MODULE_PARM_DESC(mpt_debug_level,
106 " debug level - refer to mptdebug.h - (default=0)");
107
108int mpt_fwfault_debug;
109EXPORT_SYMBOL(mpt_fwfault_debug);
110module_param(mpt_fwfault_debug, int, 0600);
111MODULE_PARM_DESC(mpt_fwfault_debug,
112 "Enable detection of Firmware fault and halt Firmware on fault - (default=0)");
113
114static char MptCallbacksName[MPT_MAX_PROTOCOL_DRIVERS]
115 [MPT_MAX_CALLBACKNAME_LEN+1];
116
117#ifdef MFCNT
118static int mfcounter = 0;
119#define PRINT_MF_COUNT 20000
120#endif
121
122/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
123/*
124 * Public data...
125 */
126
127#define WHOINIT_UNKNOWN 0xAA
128
129/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
130/*
131 * Private data...
132 */
133 /* Adapter link list */
134LIST_HEAD(ioc_list);
135 /* Callback lookup table */
136static MPT_CALLBACK MptCallbacks[MPT_MAX_PROTOCOL_DRIVERS];
137 /* Protocol driver class lookup table */
138static int MptDriverClass[MPT_MAX_PROTOCOL_DRIVERS];
139 /* Event handler lookup table */
140static MPT_EVHANDLER MptEvHandlers[MPT_MAX_PROTOCOL_DRIVERS];
141 /* Reset handler lookup table */
142static MPT_RESETHANDLER MptResetHandlers[MPT_MAX_PROTOCOL_DRIVERS];
143static struct mpt_pci_driver *MptDeviceDriverHandlers[MPT_MAX_PROTOCOL_DRIVERS];
144
145#ifdef CONFIG_PROC_FS
146static struct proc_dir_entry *mpt_proc_root_dir;
147#endif
148
149/*
150 * Driver Callback Index's
151 */
152static u8 mpt_base_index = MPT_MAX_PROTOCOL_DRIVERS;
153static u8 last_drv_idx;
154
155/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
156/*
157 * Forward protos...
158 */
159static irqreturn_t mpt_interrupt(int irq, void *bus_id);
160static int mptbase_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
161 MPT_FRAME_HDR *reply);
162static int mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes,
163 u32 *req, int replyBytes, u16 *u16reply, int maxwait,
164 int sleepFlag);
165static int mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag);
166static void mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev);
167static void mpt_adapter_disable(MPT_ADAPTER *ioc);
168static void mpt_adapter_dispose(MPT_ADAPTER *ioc);
169
170static void MptDisplayIocCapabilities(MPT_ADAPTER *ioc);
171static int MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag);
172static int GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason);
173static int GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag);
174static int SendIocInit(MPT_ADAPTER *ioc, int sleepFlag);
175static int SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag);
176static int mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag);
177static int mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag);
178static int mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag);
179static int KickStart(MPT_ADAPTER *ioc, int ignore, int sleepFlag);
180static int SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag);
181static int PrimeIocFifos(MPT_ADAPTER *ioc);
182static int WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
183static int WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
184static int WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
185static int GetLanConfigPages(MPT_ADAPTER *ioc);
186static int GetIoUnitPage2(MPT_ADAPTER *ioc);
187int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
188static int mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum);
189static int mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum);
190static void mpt_read_ioc_pg_1(MPT_ADAPTER *ioc);
191static void mpt_read_ioc_pg_4(MPT_ADAPTER *ioc);
192static void mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc);
193static int SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch,
194 int sleepFlag);
195static int SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp);
196static int mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag);
197static int mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init);
198
199#ifdef CONFIG_PROC_FS
200static int mpt_summary_proc_show(struct seq_file *m, void *v);
201static int mpt_version_proc_show(struct seq_file *m, void *v);
202static int mpt_iocinfo_proc_show(struct seq_file *m, void *v);
203#endif
204static void mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc);
205
206static int ProcessEventNotification(MPT_ADAPTER *ioc,
207 EventNotificationReply_t *evReply, int *evHandlers);
208static void mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf);
209static void mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info);
210static void mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info);
211static void mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info , u8 cb_idx);
212static int mpt_read_ioc_pg_3(MPT_ADAPTER *ioc);
213static void mpt_inactive_raid_list_free(MPT_ADAPTER *ioc);
214
215/* module entry point */
216static int __init fusion_init (void);
217static void __exit fusion_exit (void);
218
219#define CHIPREG_READ32(addr) readl_relaxed(addr)
220#define CHIPREG_READ32_dmasync(addr) readl(addr)
221#define CHIPREG_WRITE32(addr,val) writel(val, addr)
222#define CHIPREG_PIO_WRITE32(addr,val) outl(val, (unsigned long)addr)
223#define CHIPREG_PIO_READ32(addr) inl((unsigned long)addr)
224
225static void
226pci_disable_io_access(struct pci_dev *pdev)
227{
228 u16 command_reg;
229
230 pci_read_config_word(pdev, PCI_COMMAND, &command_reg);
231 command_reg &= ~1;
232 pci_write_config_word(pdev, PCI_COMMAND, command_reg);
233}
234
235static void
236pci_enable_io_access(struct pci_dev *pdev)
237{
238 u16 command_reg;
239
240 pci_read_config_word(pdev, PCI_COMMAND, &command_reg);
241 command_reg |= 1;
242 pci_write_config_word(pdev, PCI_COMMAND, command_reg);
243}
244
245static int mpt_set_debug_level(const char *val, const struct kernel_param *kp)
246{
247 int ret = param_set_int(val, kp);
248 MPT_ADAPTER *ioc;
249
250 if (ret)
251 return ret;
252
253 list_for_each_entry(ioc, &ioc_list, list)
254 ioc->debug_level = mpt_debug_level;
255 return 0;
256}
257
258/**
259 * mpt_get_cb_idx - obtain cb_idx for registered driver
260 * @dclass: class driver enum
261 *
262 * Returns cb_idx, or zero means it wasn't found
263 **/
264static u8
265mpt_get_cb_idx(MPT_DRIVER_CLASS dclass)
266{
267 u8 cb_idx;
268
269 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--)
270 if (MptDriverClass[cb_idx] == dclass)
271 return cb_idx;
272 return 0;
273}
274
275/**
276 * mpt_is_discovery_complete - determine if discovery has completed
277 * @ioc: per adatper instance
278 *
279 * Returns 1 when discovery completed, else zero.
280 */
281static int
282mpt_is_discovery_complete(MPT_ADAPTER *ioc)
283{
284 ConfigExtendedPageHeader_t hdr;
285 CONFIGPARMS cfg;
286 SasIOUnitPage0_t *buffer;
287 dma_addr_t dma_handle;
288 int rc = 0;
289
290 memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t));
291 memset(&cfg, 0, sizeof(CONFIGPARMS));
292 hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION;
293 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
294 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
295 cfg.cfghdr.ehdr = &hdr;
296 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
297
298 if ((mpt_config(ioc, &cfg)))
299 goto out;
300 if (!hdr.ExtPageLength)
301 goto out;
302
303 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
304 &dma_handle);
305 if (!buffer)
306 goto out;
307
308 cfg.physAddr = dma_handle;
309 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
310
311 if ((mpt_config(ioc, &cfg)))
312 goto out_free_consistent;
313
314 if (!(buffer->PhyData[0].PortFlags &
315 MPI_SAS_IOUNIT0_PORT_FLAGS_DISCOVERY_IN_PROGRESS))
316 rc = 1;
317
318 out_free_consistent:
319 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
320 buffer, dma_handle);
321 out:
322 return rc;
323}
324
325
326/**
327 * mpt_remove_dead_ioc_func - kthread context to remove dead ioc
328 * @arg: input argument, used to derive ioc
329 *
330 * Return 0 if controller is removed from pci subsystem.
331 * Return -1 for other case.
332 */
333static int mpt_remove_dead_ioc_func(void *arg)
334{
335 MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg;
336 struct pci_dev *pdev;
337
338 if (!ioc)
339 return -1;
340
341 pdev = ioc->pcidev;
342 if (!pdev)
343 return -1;
344
345 pci_stop_and_remove_bus_device_locked(pdev);
346 return 0;
347}
348
349
350
351/**
352 * mpt_fault_reset_work - work performed on workq after ioc fault
353 * @work: input argument, used to derive ioc
354 *
355**/
356static void
357mpt_fault_reset_work(struct work_struct *work)
358{
359 MPT_ADAPTER *ioc =
360 container_of(work, MPT_ADAPTER, fault_reset_work.work);
361 u32 ioc_raw_state;
362 int rc;
363 unsigned long flags;
364 MPT_SCSI_HOST *hd;
365 struct task_struct *p;
366
367 if (ioc->ioc_reset_in_progress || !ioc->active)
368 goto out;
369
370
371 ioc_raw_state = mpt_GetIocState(ioc, 0);
372 if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_MASK) {
373 printk(MYIOC_s_INFO_FMT "%s: IOC is non-operational !!!!\n",
374 ioc->name, __func__);
375
376 /*
377 * Call mptscsih_flush_pending_cmds callback so that we
378 * flush all pending commands back to OS.
379 * This call is required to aovid deadlock at block layer.
380 * Dead IOC will fail to do diag reset,and this call is safe
381 * since dead ioc will never return any command back from HW.
382 */
383 hd = shost_priv(ioc->sh);
384 ioc->schedule_dead_ioc_flush_running_cmds(hd);
385
386 /*Remove the Dead Host */
387 p = kthread_run(mpt_remove_dead_ioc_func, ioc,
388 "mpt_dead_ioc_%d", ioc->id);
389 if (IS_ERR(p)) {
390 printk(MYIOC_s_ERR_FMT
391 "%s: Running mpt_dead_ioc thread failed !\n",
392 ioc->name, __func__);
393 } else {
394 printk(MYIOC_s_WARN_FMT
395 "%s: Running mpt_dead_ioc thread success !\n",
396 ioc->name, __func__);
397 }
398 return; /* don't rearm timer */
399 }
400
401 if ((ioc_raw_state & MPI_IOC_STATE_MASK)
402 == MPI_IOC_STATE_FAULT) {
403 printk(MYIOC_s_WARN_FMT "IOC is in FAULT state (%04xh)!!!\n",
404 ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK);
405 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
406 ioc->name, __func__);
407 rc = mpt_HardResetHandler(ioc, CAN_SLEEP);
408 printk(MYIOC_s_WARN_FMT "%s: HardReset: %s\n", ioc->name,
409 __func__, (rc == 0) ? "success" : "failed");
410 ioc_raw_state = mpt_GetIocState(ioc, 0);
411 if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT)
412 printk(MYIOC_s_WARN_FMT "IOC is in FAULT state after "
413 "reset (%04xh)\n", ioc->name, ioc_raw_state &
414 MPI_DOORBELL_DATA_MASK);
415 } else if (ioc->bus_type == SAS && ioc->sas_discovery_quiesce_io) {
416 if ((mpt_is_discovery_complete(ioc))) {
417 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "clearing "
418 "discovery_quiesce_io flag\n", ioc->name));
419 ioc->sas_discovery_quiesce_io = 0;
420 }
421 }
422
423 out:
424 /*
425 * Take turns polling alternate controller
426 */
427 if (ioc->alt_ioc)
428 ioc = ioc->alt_ioc;
429
430 /* rearm the timer */
431 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
432 if (ioc->reset_work_q)
433 queue_delayed_work(ioc->reset_work_q, &ioc->fault_reset_work,
434 msecs_to_jiffies(MPT_POLLING_INTERVAL));
435 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
436}
437
438
439/*
440 * Process turbo (context) reply...
441 */
442static void
443mpt_turbo_reply(MPT_ADAPTER *ioc, u32 pa)
444{
445 MPT_FRAME_HDR *mf = NULL;
446 MPT_FRAME_HDR *mr = NULL;
447 u16 req_idx = 0;
448 u8 cb_idx;
449
450 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got TURBO reply req_idx=%08x\n",
451 ioc->name, pa));
452
453 switch (pa >> MPI_CONTEXT_REPLY_TYPE_SHIFT) {
454 case MPI_CONTEXT_REPLY_TYPE_SCSI_INIT:
455 req_idx = pa & 0x0000FFFF;
456 cb_idx = (pa & 0x00FF0000) >> 16;
457 mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
458 break;
459 case MPI_CONTEXT_REPLY_TYPE_LAN:
460 cb_idx = mpt_get_cb_idx(MPTLAN_DRIVER);
461 /*
462 * Blind set of mf to NULL here was fatal
463 * after lan_reply says "freeme"
464 * Fix sort of combined with an optimization here;
465 * added explicit check for case where lan_reply
466 * was just returning 1 and doing nothing else.
467 * For this case skip the callback, but set up
468 * proper mf value first here:-)
469 */
470 if ((pa & 0x58000000) == 0x58000000) {
471 req_idx = pa & 0x0000FFFF;
472 mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
473 mpt_free_msg_frame(ioc, mf);
474 mb();
475 return;
476 }
477 mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa);
478 break;
479 case MPI_CONTEXT_REPLY_TYPE_SCSI_TARGET:
480 cb_idx = mpt_get_cb_idx(MPTSTM_DRIVER);
481 mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa);
482 break;
483 default:
484 cb_idx = 0;
485 BUG();
486 }
487
488 /* Check for (valid) IO callback! */
489 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
490 MptCallbacks[cb_idx] == NULL) {
491 printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n",
492 __func__, ioc->name, cb_idx);
493 goto out;
494 }
495
496 if (MptCallbacks[cb_idx](ioc, mf, mr))
497 mpt_free_msg_frame(ioc, mf);
498 out:
499 mb();
500}
501
502static void
503mpt_reply(MPT_ADAPTER *ioc, u32 pa)
504{
505 MPT_FRAME_HDR *mf;
506 MPT_FRAME_HDR *mr;
507 u16 req_idx;
508 u8 cb_idx;
509 int freeme;
510
511 u32 reply_dma_low;
512 u16 ioc_stat;
513
514 /* non-TURBO reply! Hmmm, something may be up...
515 * Newest turbo reply mechanism; get address
516 * via left shift 1 (get rid of MPI_ADDRESS_REPLY_A_BIT)!
517 */
518
519 /* Map DMA address of reply header to cpu address.
520 * pa is 32 bits - but the dma address may be 32 or 64 bits
521 * get offset based only only the low addresses
522 */
523
524 reply_dma_low = (pa <<= 1);
525 mr = (MPT_FRAME_HDR *)((u8 *)ioc->reply_frames +
526 (reply_dma_low - ioc->reply_frames_low_dma));
527
528 req_idx = le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx);
529 cb_idx = mr->u.frame.hwhdr.msgctxu.fld.cb_idx;
530 mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
531
532 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got non-TURBO reply=%p req_idx=%x cb_idx=%x Function=%x\n",
533 ioc->name, mr, req_idx, cb_idx, mr->u.hdr.Function));
534 DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mr);
535
536 /* Check/log IOC log info
537 */
538 ioc_stat = le16_to_cpu(mr->u.reply.IOCStatus);
539 if (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
540 u32 log_info = le32_to_cpu(mr->u.reply.IOCLogInfo);
541 if (ioc->bus_type == FC)
542 mpt_fc_log_info(ioc, log_info);
543 else if (ioc->bus_type == SPI)
544 mpt_spi_log_info(ioc, log_info);
545 else if (ioc->bus_type == SAS)
546 mpt_sas_log_info(ioc, log_info, cb_idx);
547 }
548
549 if (ioc_stat & MPI_IOCSTATUS_MASK)
550 mpt_iocstatus_info(ioc, (u32)ioc_stat, mf);
551
552 /* Check for (valid) IO callback! */
553 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
554 MptCallbacks[cb_idx] == NULL) {
555 printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n",
556 __func__, ioc->name, cb_idx);
557 freeme = 0;
558 goto out;
559 }
560
561 freeme = MptCallbacks[cb_idx](ioc, mf, mr);
562
563 out:
564 /* Flush (non-TURBO) reply with a WRITE! */
565 CHIPREG_WRITE32(&ioc->chip->ReplyFifo, pa);
566
567 if (freeme)
568 mpt_free_msg_frame(ioc, mf);
569 mb();
570}
571
572/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
573/**
574 * mpt_interrupt - MPT adapter (IOC) specific interrupt handler.
575 * @irq: irq number (not used)
576 * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure
577 *
578 * This routine is registered via the request_irq() kernel API call,
579 * and handles all interrupts generated from a specific MPT adapter
580 * (also referred to as a IO Controller or IOC).
581 * This routine must clear the interrupt from the adapter and does
582 * so by reading the reply FIFO. Multiple replies may be processed
583 * per single call to this routine.
584 *
585 * This routine handles register-level access of the adapter but
586 * dispatches (calls) a protocol-specific callback routine to handle
587 * the protocol-specific details of the MPT request completion.
588 */
589static irqreturn_t
590mpt_interrupt(int irq, void *bus_id)
591{
592 MPT_ADAPTER *ioc = bus_id;
593 u32 pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo);
594
595 if (pa == 0xFFFFFFFF)
596 return IRQ_NONE;
597
598 /*
599 * Drain the reply FIFO!
600 */
601 do {
602 if (pa & MPI_ADDRESS_REPLY_A_BIT)
603 mpt_reply(ioc, pa);
604 else
605 mpt_turbo_reply(ioc, pa);
606 pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo);
607 } while (pa != 0xFFFFFFFF);
608
609 return IRQ_HANDLED;
610}
611
612/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
613/**
614 * mptbase_reply - MPT base driver's callback routine
615 * @ioc: Pointer to MPT_ADAPTER structure
616 * @req: Pointer to original MPT request frame
617 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
618 *
619 * MPT base driver's callback routine; all base driver
620 * "internal" request/reply processing is routed here.
621 * Currently used for EventNotification and EventAck handling.
622 *
623 * Returns 1 indicating original alloc'd request frame ptr
624 * should be freed, or 0 if it shouldn't.
625 */
626static int
627mptbase_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply)
628{
629 EventNotificationReply_t *pEventReply;
630 u8 event;
631 int evHandlers;
632 int freereq = 1;
633
634 switch (reply->u.hdr.Function) {
635 case MPI_FUNCTION_EVENT_NOTIFICATION:
636 pEventReply = (EventNotificationReply_t *)reply;
637 evHandlers = 0;
638 ProcessEventNotification(ioc, pEventReply, &evHandlers);
639 event = le32_to_cpu(pEventReply->Event) & 0xFF;
640 if (pEventReply->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY)
641 freereq = 0;
642 if (event != MPI_EVENT_EVENT_CHANGE)
643 break;
644 fallthrough;
645 case MPI_FUNCTION_CONFIG:
646 case MPI_FUNCTION_SAS_IO_UNIT_CONTROL:
647 ioc->mptbase_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
648 ioc->mptbase_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
649 memcpy(ioc->mptbase_cmds.reply, reply,
650 min(MPT_DEFAULT_FRAME_SIZE,
651 4 * reply->u.reply.MsgLength));
652 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) {
653 ioc->mptbase_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
654 complete(&ioc->mptbase_cmds.done);
655 } else
656 freereq = 0;
657 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_FREE_MF)
658 freereq = 1;
659 break;
660 case MPI_FUNCTION_EVENT_ACK:
661 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
662 "EventAck reply received\n", ioc->name));
663 break;
664 default:
665 printk(MYIOC_s_ERR_FMT
666 "Unexpected msg function (=%02Xh) reply received!\n",
667 ioc->name, reply->u.hdr.Function);
668 break;
669 }
670
671 /*
672 * Conditionally tell caller to free the original
673 * EventNotification/EventAck/unexpected request frame!
674 */
675 return freereq;
676}
677
678/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
679/**
680 * mpt_register - Register protocol-specific main callback handler.
681 * @cbfunc: callback function pointer
682 * @dclass: Protocol driver's class (%MPT_DRIVER_CLASS enum value)
683 * @func_name: call function's name
684 *
685 * This routine is called by a protocol-specific driver (SCSI host,
686 * LAN, SCSI target) to register its reply callback routine. Each
687 * protocol-specific driver must do this before it will be able to
688 * use any IOC resources, such as obtaining request frames.
689 *
690 * NOTES: The SCSI protocol driver currently calls this routine thrice
691 * in order to register separate callbacks; one for "normal" SCSI IO;
692 * one for MptScsiTaskMgmt requests; one for Scan/DV requests.
693 *
694 * Returns u8 valued "handle" in the range (and S.O.D. order)
695 * {N,...,7,6,5,...,1} if successful.
696 * A return value of MPT_MAX_PROTOCOL_DRIVERS (including zero!) should be
697 * considered an error by the caller.
698 */
699u8
700mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass, char *func_name)
701{
702 u8 cb_idx;
703 last_drv_idx = MPT_MAX_PROTOCOL_DRIVERS;
704
705 /*
706 * Search for empty callback slot in this order: {N,...,7,6,5,...,1}
707 * (slot/handle 0 is reserved!)
708 */
709 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
710 if (MptCallbacks[cb_idx] == NULL) {
711 MptCallbacks[cb_idx] = cbfunc;
712 MptDriverClass[cb_idx] = dclass;
713 MptEvHandlers[cb_idx] = NULL;
714 last_drv_idx = cb_idx;
715 strlcpy(MptCallbacksName[cb_idx], func_name,
716 MPT_MAX_CALLBACKNAME_LEN+1);
717 break;
718 }
719 }
720
721 return last_drv_idx;
722}
723
724/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
725/**
726 * mpt_deregister - Deregister a protocol drivers resources.
727 * @cb_idx: previously registered callback handle
728 *
729 * Each protocol-specific driver should call this routine when its
730 * module is unloaded.
731 */
732void
733mpt_deregister(u8 cb_idx)
734{
735 if (cb_idx && (cb_idx < MPT_MAX_PROTOCOL_DRIVERS)) {
736 MptCallbacks[cb_idx] = NULL;
737 MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER;
738 MptEvHandlers[cb_idx] = NULL;
739
740 last_drv_idx++;
741 }
742}
743
744/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
745/**
746 * mpt_event_register - Register protocol-specific event callback handler.
747 * @cb_idx: previously registered (via mpt_register) callback handle
748 * @ev_cbfunc: callback function
749 *
750 * This routine can be called by one or more protocol-specific drivers
751 * if/when they choose to be notified of MPT events.
752 *
753 * Returns 0 for success.
754 */
755int
756mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc)
757{
758 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
759 return -1;
760
761 MptEvHandlers[cb_idx] = ev_cbfunc;
762 return 0;
763}
764
765/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
766/**
767 * mpt_event_deregister - Deregister protocol-specific event callback handler
768 * @cb_idx: previously registered callback handle
769 *
770 * Each protocol-specific driver should call this routine
771 * when it does not (or can no longer) handle events,
772 * or when its module is unloaded.
773 */
774void
775mpt_event_deregister(u8 cb_idx)
776{
777 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
778 return;
779
780 MptEvHandlers[cb_idx] = NULL;
781}
782
783/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
784/**
785 * mpt_reset_register - Register protocol-specific IOC reset handler.
786 * @cb_idx: previously registered (via mpt_register) callback handle
787 * @reset_func: reset function
788 *
789 * This routine can be called by one or more protocol-specific drivers
790 * if/when they choose to be notified of IOC resets.
791 *
792 * Returns 0 for success.
793 */
794int
795mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func)
796{
797 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
798 return -1;
799
800 MptResetHandlers[cb_idx] = reset_func;
801 return 0;
802}
803
804/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
805/**
806 * mpt_reset_deregister - Deregister protocol-specific IOC reset handler.
807 * @cb_idx: previously registered callback handle
808 *
809 * Each protocol-specific driver should call this routine
810 * when it does not (or can no longer) handle IOC reset handling,
811 * or when its module is unloaded.
812 */
813void
814mpt_reset_deregister(u8 cb_idx)
815{
816 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
817 return;
818
819 MptResetHandlers[cb_idx] = NULL;
820}
821
822/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
823/**
824 * mpt_device_driver_register - Register device driver hooks
825 * @dd_cbfunc: driver callbacks struct
826 * @cb_idx: MPT protocol driver index
827 */
828int
829mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx)
830{
831 MPT_ADAPTER *ioc;
832 const struct pci_device_id *id;
833
834 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
835 return -EINVAL;
836
837 MptDeviceDriverHandlers[cb_idx] = dd_cbfunc;
838
839 /* call per pci device probe entry point */
840 list_for_each_entry(ioc, &ioc_list, list) {
841 id = ioc->pcidev->driver ?
842 ioc->pcidev->driver->id_table : NULL;
843 if (dd_cbfunc->probe)
844 dd_cbfunc->probe(ioc->pcidev, id);
845 }
846
847 return 0;
848}
849
850/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
851/**
852 * mpt_device_driver_deregister - DeRegister device driver hooks
853 * @cb_idx: MPT protocol driver index
854 */
855void
856mpt_device_driver_deregister(u8 cb_idx)
857{
858 struct mpt_pci_driver *dd_cbfunc;
859 MPT_ADAPTER *ioc;
860
861 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
862 return;
863
864 dd_cbfunc = MptDeviceDriverHandlers[cb_idx];
865
866 list_for_each_entry(ioc, &ioc_list, list) {
867 if (dd_cbfunc->remove)
868 dd_cbfunc->remove(ioc->pcidev);
869 }
870
871 MptDeviceDriverHandlers[cb_idx] = NULL;
872}
873
874
875/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
876/**
877 * mpt_get_msg_frame - Obtain an MPT request frame from the pool
878 * @cb_idx: Handle of registered MPT protocol driver
879 * @ioc: Pointer to MPT adapter structure
880 *
881 * Obtain an MPT request frame from the pool (of 1024) that are
882 * allocated per MPT adapter.
883 *
884 * Returns pointer to a MPT request frame or %NULL if none are available
885 * or IOC is not active.
886 */
887MPT_FRAME_HDR*
888mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc)
889{
890 MPT_FRAME_HDR *mf;
891 unsigned long flags;
892 u16 req_idx; /* Request index */
893
894 /* validate handle and ioc identifier */
895
896#ifdef MFCNT
897 if (!ioc->active)
898 printk(MYIOC_s_WARN_FMT "IOC Not Active! mpt_get_msg_frame "
899 "returning NULL!\n", ioc->name);
900#endif
901
902 /* If interrupts are not attached, do not return a request frame */
903 if (!ioc->active)
904 return NULL;
905
906 spin_lock_irqsave(&ioc->FreeQlock, flags);
907 if (!list_empty(&ioc->FreeQ)) {
908 int req_offset;
909
910 mf = list_entry(ioc->FreeQ.next, MPT_FRAME_HDR,
911 u.frame.linkage.list);
912 list_del(&mf->u.frame.linkage.list);
913 mf->u.frame.linkage.arg1 = 0;
914 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; /* byte */
915 req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
916 /* u16! */
917 req_idx = req_offset / ioc->req_sz;
918 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
919 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
920 /* Default, will be changed if necessary in SG generation */
921 ioc->RequestNB[req_idx] = ioc->NB_for_64_byte_frame;
922#ifdef MFCNT
923 ioc->mfcnt++;
924#endif
925 }
926 else
927 mf = NULL;
928 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
929
930#ifdef MFCNT
931 if (mf == NULL)
932 printk(MYIOC_s_WARN_FMT "IOC Active. No free Msg Frames! "
933 "Count 0x%x Max 0x%x\n", ioc->name, ioc->mfcnt,
934 ioc->req_depth);
935 mfcounter++;
936 if (mfcounter == PRINT_MF_COUNT)
937 printk(MYIOC_s_INFO_FMT "MF Count 0x%x Max 0x%x \n", ioc->name,
938 ioc->mfcnt, ioc->req_depth);
939#endif
940
941 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_get_msg_frame(%d,%d), got mf=%p\n",
942 ioc->name, cb_idx, ioc->id, mf));
943 return mf;
944}
945
946/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
947/**
948 * mpt_put_msg_frame - Send a protocol-specific MPT request frame to an IOC
949 * @cb_idx: Handle of registered MPT protocol driver
950 * @ioc: Pointer to MPT adapter structure
951 * @mf: Pointer to MPT request frame
952 *
953 * This routine posts an MPT request frame to the request post FIFO of a
954 * specific MPT adapter.
955 */
956void
957mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
958{
959 u32 mf_dma_addr;
960 int req_offset;
961 u16 req_idx; /* Request index */
962
963 /* ensure values are reset properly! */
964 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; /* byte */
965 req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
966 /* u16! */
967 req_idx = req_offset / ioc->req_sz;
968 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
969 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
970
971 DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf);
972
973 mf_dma_addr = (ioc->req_frames_low_dma + req_offset) | ioc->RequestNB[req_idx];
974 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d "
975 "RequestNB=%x\n", ioc->name, mf_dma_addr, req_idx,
976 ioc->RequestNB[req_idx]));
977 CHIPREG_WRITE32(&ioc->chip->RequestFifo, mf_dma_addr);
978}
979
980/**
981 * mpt_put_msg_frame_hi_pri - Send a hi-pri protocol-specific MPT request frame
982 * @cb_idx: Handle of registered MPT protocol driver
983 * @ioc: Pointer to MPT adapter structure
984 * @mf: Pointer to MPT request frame
985 *
986 * Send a protocol-specific MPT request frame to an IOC using
987 * hi-priority request queue.
988 *
989 * This routine posts an MPT request frame to the request post FIFO of a
990 * specific MPT adapter.
991 **/
992void
993mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
994{
995 u32 mf_dma_addr;
996 int req_offset;
997 u16 req_idx; /* Request index */
998
999 /* ensure values are reset properly! */
1000 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;
1001 req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
1002 req_idx = req_offset / ioc->req_sz;
1003 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
1004 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
1005
1006 DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf);
1007
1008 mf_dma_addr = (ioc->req_frames_low_dma + req_offset);
1009 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d\n",
1010 ioc->name, mf_dma_addr, req_idx));
1011 CHIPREG_WRITE32(&ioc->chip->RequestHiPriFifo, mf_dma_addr);
1012}
1013
1014/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1015/**
1016 * mpt_free_msg_frame - Place MPT request frame back on FreeQ.
1017 * @ioc: Pointer to MPT adapter structure
1018 * @mf: Pointer to MPT request frame
1019 *
1020 * This routine places a MPT request frame back on the MPT adapter's
1021 * FreeQ.
1022 */
1023void
1024mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
1025{
1026 unsigned long flags;
1027
1028 /* Put Request back on FreeQ! */
1029 spin_lock_irqsave(&ioc->FreeQlock, flags);
1030 if (cpu_to_le32(mf->u.frame.linkage.arg1) == 0xdeadbeaf)
1031 goto out;
1032 /* signature to know if this mf is freed */
1033 mf->u.frame.linkage.arg1 = cpu_to_le32(0xdeadbeaf);
1034 list_add(&mf->u.frame.linkage.list, &ioc->FreeQ);
1035#ifdef MFCNT
1036 ioc->mfcnt--;
1037#endif
1038 out:
1039 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1040}
1041
1042/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1043/**
1044 * mpt_add_sge - Place a simple 32 bit SGE at address pAddr.
1045 * @pAddr: virtual address for SGE
1046 * @flagslength: SGE flags and data transfer length
1047 * @dma_addr: Physical address
1048 *
1049 * This routine places a MPT request frame back on the MPT adapter's
1050 * FreeQ.
1051 */
1052static void
1053mpt_add_sge(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
1054{
1055 SGESimple32_t *pSge = (SGESimple32_t *) pAddr;
1056 pSge->FlagsLength = cpu_to_le32(flagslength);
1057 pSge->Address = cpu_to_le32(dma_addr);
1058}
1059
1060/**
1061 * mpt_add_sge_64bit - Place a simple 64 bit SGE at address pAddr.
1062 * @pAddr: virtual address for SGE
1063 * @flagslength: SGE flags and data transfer length
1064 * @dma_addr: Physical address
1065 *
1066 * This routine places a MPT request frame back on the MPT adapter's
1067 * FreeQ.
1068 **/
1069static void
1070mpt_add_sge_64bit(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
1071{
1072 SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
1073 pSge->Address.Low = cpu_to_le32
1074 (lower_32_bits(dma_addr));
1075 pSge->Address.High = cpu_to_le32
1076 (upper_32_bits(dma_addr));
1077 pSge->FlagsLength = cpu_to_le32
1078 ((flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING));
1079}
1080
1081/**
1082 * mpt_add_sge_64bit_1078 - Place a simple 64 bit SGE at address pAddr (1078 workaround).
1083 * @pAddr: virtual address for SGE
1084 * @flagslength: SGE flags and data transfer length
1085 * @dma_addr: Physical address
1086 *
1087 * This routine places a MPT request frame back on the MPT adapter's
1088 * FreeQ.
1089 **/
1090static void
1091mpt_add_sge_64bit_1078(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
1092{
1093 SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
1094 u32 tmp;
1095
1096 pSge->Address.Low = cpu_to_le32
1097 (lower_32_bits(dma_addr));
1098 tmp = (u32)(upper_32_bits(dma_addr));
1099
1100 /*
1101 * 1078 errata workaround for the 36GB limitation
1102 */
1103 if ((((u64)dma_addr + MPI_SGE_LENGTH(flagslength)) >> 32) == 9) {
1104 flagslength |=
1105 MPI_SGE_SET_FLAGS(MPI_SGE_FLAGS_LOCAL_ADDRESS);
1106 tmp |= (1<<31);
1107 if (mpt_debug_level & MPT_DEBUG_36GB_MEM)
1108 printk(KERN_DEBUG "1078 P0M2 addressing for "
1109 "addr = 0x%llx len = %d\n",
1110 (unsigned long long)dma_addr,
1111 MPI_SGE_LENGTH(flagslength));
1112 }
1113
1114 pSge->Address.High = cpu_to_le32(tmp);
1115 pSge->FlagsLength = cpu_to_le32(
1116 (flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING));
1117}
1118
1119/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1120/**
1121 * mpt_add_chain - Place a 32 bit chain SGE at address pAddr.
1122 * @pAddr: virtual address for SGE
1123 * @next: nextChainOffset value (u32's)
1124 * @length: length of next SGL segment
1125 * @dma_addr: Physical address
1126 *
1127 */
1128static void
1129mpt_add_chain(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr)
1130{
1131 SGEChain32_t *pChain = (SGEChain32_t *) pAddr;
1132
1133 pChain->Length = cpu_to_le16(length);
1134 pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT;
1135 pChain->NextChainOffset = next;
1136 pChain->Address = cpu_to_le32(dma_addr);
1137}
1138
1139/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1140/**
1141 * mpt_add_chain_64bit - Place a 64 bit chain SGE at address pAddr.
1142 * @pAddr: virtual address for SGE
1143 * @next: nextChainOffset value (u32's)
1144 * @length: length of next SGL segment
1145 * @dma_addr: Physical address
1146 *
1147 */
1148static void
1149mpt_add_chain_64bit(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr)
1150{
1151 SGEChain64_t *pChain = (SGEChain64_t *) pAddr;
1152 u32 tmp = dma_addr & 0xFFFFFFFF;
1153
1154 pChain->Length = cpu_to_le16(length);
1155 pChain->Flags = (MPI_SGE_FLAGS_CHAIN_ELEMENT |
1156 MPI_SGE_FLAGS_64_BIT_ADDRESSING);
1157
1158 pChain->NextChainOffset = next;
1159
1160 pChain->Address.Low = cpu_to_le32(tmp);
1161 tmp = (u32)(upper_32_bits(dma_addr));
1162 pChain->Address.High = cpu_to_le32(tmp);
1163}
1164
1165/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1166/**
1167 * mpt_send_handshake_request - Send MPT request via doorbell handshake method.
1168 * @cb_idx: Handle of registered MPT protocol driver
1169 * @ioc: Pointer to MPT adapter structure
1170 * @reqBytes: Size of the request in bytes
1171 * @req: Pointer to MPT request frame
1172 * @sleepFlag: Use schedule if CAN_SLEEP else use udelay.
1173 *
1174 * This routine is used exclusively to send MptScsiTaskMgmt
1175 * requests since they are required to be sent via doorbell handshake.
1176 *
1177 * NOTE: It is the callers responsibility to byte-swap fields in the
1178 * request which are greater than 1 byte in size.
1179 *
1180 * Returns 0 for success, non-zero for failure.
1181 */
1182int
1183mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag)
1184{
1185 int r = 0;
1186 u8 *req_as_bytes;
1187 int ii;
1188
1189 /* State is known to be good upon entering
1190 * this function so issue the bus reset
1191 * request.
1192 */
1193
1194 /*
1195 * Emulate what mpt_put_msg_frame() does /wrt to sanity
1196 * setting cb_idx/req_idx. But ONLY if this request
1197 * is in proper (pre-alloc'd) request buffer range...
1198 */
1199 ii = MFPTR_2_MPT_INDEX(ioc,(MPT_FRAME_HDR*)req);
1200 if (reqBytes >= 12 && ii >= 0 && ii < ioc->req_depth) {
1201 MPT_FRAME_HDR *mf = (MPT_FRAME_HDR*)req;
1202 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(ii);
1203 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;
1204 }
1205
1206 /* Make sure there are no doorbells */
1207 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1208
1209 CHIPREG_WRITE32(&ioc->chip->Doorbell,
1210 ((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) |
1211 ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT)));
1212
1213 /* Wait for IOC doorbell int */
1214 if ((ii = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) {
1215 return ii;
1216 }
1217
1218 /* Read doorbell and check for active bit */
1219 if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE))
1220 return -5;
1221
1222 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_send_handshake_request start, WaitCnt=%d\n",
1223 ioc->name, ii));
1224
1225 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1226
1227 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
1228 return -2;
1229 }
1230
1231 /* Send request via doorbell handshake */
1232 req_as_bytes = (u8 *) req;
1233 for (ii = 0; ii < reqBytes/4; ii++) {
1234 u32 word;
1235
1236 word = ((req_as_bytes[(ii*4) + 0] << 0) |
1237 (req_as_bytes[(ii*4) + 1] << 8) |
1238 (req_as_bytes[(ii*4) + 2] << 16) |
1239 (req_as_bytes[(ii*4) + 3] << 24));
1240 CHIPREG_WRITE32(&ioc->chip->Doorbell, word);
1241 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
1242 r = -3;
1243 break;
1244 }
1245 }
1246
1247 if (r >= 0 && WaitForDoorbellInt(ioc, 10, sleepFlag) >= 0)
1248 r = 0;
1249 else
1250 r = -4;
1251
1252 /* Make sure there are no doorbells */
1253 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1254
1255 return r;
1256}
1257
1258/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1259/**
1260 * mpt_host_page_access_control - control the IOC's Host Page Buffer access
1261 * @ioc: Pointer to MPT adapter structure
1262 * @access_control_value: define bits below
1263 * @sleepFlag: Specifies whether the process can sleep
1264 *
1265 * Provides mechanism for the host driver to control the IOC's
1266 * Host Page Buffer access.
1267 *
1268 * Access Control Value - bits[15:12]
1269 * 0h Reserved
1270 * 1h Enable Access { MPI_DB_HPBAC_ENABLE_ACCESS }
1271 * 2h Disable Access { MPI_DB_HPBAC_DISABLE_ACCESS }
1272 * 3h Free Buffer { MPI_DB_HPBAC_FREE_BUFFER }
1273 *
1274 * Returns 0 for success, non-zero for failure.
1275 */
1276
1277static int
1278mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag)
1279{
1280 int r = 0;
1281
1282 /* return if in use */
1283 if (CHIPREG_READ32(&ioc->chip->Doorbell)
1284 & MPI_DOORBELL_ACTIVE)
1285 return -1;
1286
1287 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1288
1289 CHIPREG_WRITE32(&ioc->chip->Doorbell,
1290 ((MPI_FUNCTION_HOST_PAGEBUF_ACCESS_CONTROL
1291 <<MPI_DOORBELL_FUNCTION_SHIFT) |
1292 (access_control_value<<12)));
1293
1294 /* Wait for IOC to clear Doorbell Status bit */
1295 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
1296 return -2;
1297 }else
1298 return 0;
1299}
1300
1301/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1302/**
1303 * mpt_host_page_alloc - allocate system memory for the fw
1304 * @ioc: Pointer to pointer to IOC adapter
1305 * @ioc_init: Pointer to ioc init config page
1306 *
1307 * If we already allocated memory in past, then resend the same pointer.
1308 * Returns 0 for success, non-zero for failure.
1309 */
1310static int
1311mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init)
1312{
1313 char *psge;
1314 int flags_length;
1315 u32 host_page_buffer_sz=0;
1316
1317 if(!ioc->HostPageBuffer) {
1318
1319 host_page_buffer_sz =
1320 le32_to_cpu(ioc->facts.HostPageBufferSGE.FlagsLength) & 0xFFFFFF;
1321
1322 if(!host_page_buffer_sz)
1323 return 0; /* fw doesn't need any host buffers */
1324
1325 /* spin till we get enough memory */
1326 while (host_page_buffer_sz > 0) {
1327 ioc->HostPageBuffer =
1328 dma_alloc_coherent(&ioc->pcidev->dev,
1329 host_page_buffer_sz,
1330 &ioc->HostPageBuffer_dma,
1331 GFP_KERNEL);
1332 if (ioc->HostPageBuffer) {
1333 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1334 "host_page_buffer @ %p, dma @ %x, sz=%d bytes\n",
1335 ioc->name, ioc->HostPageBuffer,
1336 (u32)ioc->HostPageBuffer_dma,
1337 host_page_buffer_sz));
1338 ioc->alloc_total += host_page_buffer_sz;
1339 ioc->HostPageBuffer_sz = host_page_buffer_sz;
1340 break;
1341 }
1342
1343 host_page_buffer_sz -= (4*1024);
1344 }
1345 }
1346
1347 if(!ioc->HostPageBuffer) {
1348 printk(MYIOC_s_ERR_FMT
1349 "Failed to alloc memory for host_page_buffer!\n",
1350 ioc->name);
1351 return -999;
1352 }
1353
1354 psge = (char *)&ioc_init->HostPageBufferSGE;
1355 flags_length = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
1356 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
1357 MPI_SGE_FLAGS_HOST_TO_IOC |
1358 MPI_SGE_FLAGS_END_OF_BUFFER;
1359 flags_length = flags_length << MPI_SGE_FLAGS_SHIFT;
1360 flags_length |= ioc->HostPageBuffer_sz;
1361 ioc->add_sge(psge, flags_length, ioc->HostPageBuffer_dma);
1362 ioc->facts.HostPageBufferSGE = ioc_init->HostPageBufferSGE;
1363
1364 return 0;
1365}
1366
1367/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1368/**
1369 * mpt_verify_adapter - Given IOC identifier, set pointer to its adapter structure.
1370 * @iocid: IOC unique identifier (integer)
1371 * @iocpp: Pointer to pointer to IOC adapter
1372 *
1373 * Given a unique IOC identifier, set pointer to the associated MPT
1374 * adapter structure.
1375 *
1376 * Returns iocid and sets iocpp if iocid is found.
1377 * Returns -1 if iocid is not found.
1378 */
1379int
1380mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp)
1381{
1382 MPT_ADAPTER *ioc;
1383
1384 list_for_each_entry(ioc,&ioc_list,list) {
1385 if (ioc->id == iocid) {
1386 *iocpp =ioc;
1387 return iocid;
1388 }
1389 }
1390
1391 *iocpp = NULL;
1392 return -1;
1393}
1394
1395/**
1396 * mpt_get_product_name - returns product string
1397 * @vendor: pci vendor id
1398 * @device: pci device id
1399 * @revision: pci revision id
1400 *
1401 * Returns product string displayed when driver loads,
1402 * in /proc/mpt/summary and /sysfs/class/scsi_host/host<X>/version_product
1403 *
1404 **/
1405static const char*
1406mpt_get_product_name(u16 vendor, u16 device, u8 revision)
1407{
1408 char *product_str = NULL;
1409
1410 if (vendor == PCI_VENDOR_ID_BROCADE) {
1411 switch (device)
1412 {
1413 case MPI_MANUFACTPAGE_DEVICEID_FC949E:
1414 switch (revision)
1415 {
1416 case 0x00:
1417 product_str = "BRE040 A0";
1418 break;
1419 case 0x01:
1420 product_str = "BRE040 A1";
1421 break;
1422 default:
1423 product_str = "BRE040";
1424 break;
1425 }
1426 break;
1427 }
1428 goto out;
1429 }
1430
1431 switch (device)
1432 {
1433 case MPI_MANUFACTPAGE_DEVICEID_FC909:
1434 product_str = "LSIFC909 B1";
1435 break;
1436 case MPI_MANUFACTPAGE_DEVICEID_FC919:
1437 product_str = "LSIFC919 B0";
1438 break;
1439 case MPI_MANUFACTPAGE_DEVICEID_FC929:
1440 product_str = "LSIFC929 B0";
1441 break;
1442 case MPI_MANUFACTPAGE_DEVICEID_FC919X:
1443 if (revision < 0x80)
1444 product_str = "LSIFC919X A0";
1445 else
1446 product_str = "LSIFC919XL A1";
1447 break;
1448 case MPI_MANUFACTPAGE_DEVICEID_FC929X:
1449 if (revision < 0x80)
1450 product_str = "LSIFC929X A0";
1451 else
1452 product_str = "LSIFC929XL A1";
1453 break;
1454 case MPI_MANUFACTPAGE_DEVICEID_FC939X:
1455 product_str = "LSIFC939X A1";
1456 break;
1457 case MPI_MANUFACTPAGE_DEVICEID_FC949X:
1458 product_str = "LSIFC949X A1";
1459 break;
1460 case MPI_MANUFACTPAGE_DEVICEID_FC949E:
1461 switch (revision)
1462 {
1463 case 0x00:
1464 product_str = "LSIFC949E A0";
1465 break;
1466 case 0x01:
1467 product_str = "LSIFC949E A1";
1468 break;
1469 default:
1470 product_str = "LSIFC949E";
1471 break;
1472 }
1473 break;
1474 case MPI_MANUFACTPAGE_DEVID_53C1030:
1475 switch (revision)
1476 {
1477 case 0x00:
1478 product_str = "LSI53C1030 A0";
1479 break;
1480 case 0x01:
1481 product_str = "LSI53C1030 B0";
1482 break;
1483 case 0x03:
1484 product_str = "LSI53C1030 B1";
1485 break;
1486 case 0x07:
1487 product_str = "LSI53C1030 B2";
1488 break;
1489 case 0x08:
1490 product_str = "LSI53C1030 C0";
1491 break;
1492 case 0x80:
1493 product_str = "LSI53C1030T A0";
1494 break;
1495 case 0x83:
1496 product_str = "LSI53C1030T A2";
1497 break;
1498 case 0x87:
1499 product_str = "LSI53C1030T A3";
1500 break;
1501 case 0xc1:
1502 product_str = "LSI53C1020A A1";
1503 break;
1504 default:
1505 product_str = "LSI53C1030";
1506 break;
1507 }
1508 break;
1509 case MPI_MANUFACTPAGE_DEVID_1030_53C1035:
1510 switch (revision)
1511 {
1512 case 0x03:
1513 product_str = "LSI53C1035 A2";
1514 break;
1515 case 0x04:
1516 product_str = "LSI53C1035 B0";
1517 break;
1518 default:
1519 product_str = "LSI53C1035";
1520 break;
1521 }
1522 break;
1523 case MPI_MANUFACTPAGE_DEVID_SAS1064:
1524 switch (revision)
1525 {
1526 case 0x00:
1527 product_str = "LSISAS1064 A1";
1528 break;
1529 case 0x01:
1530 product_str = "LSISAS1064 A2";
1531 break;
1532 case 0x02:
1533 product_str = "LSISAS1064 A3";
1534 break;
1535 case 0x03:
1536 product_str = "LSISAS1064 A4";
1537 break;
1538 default:
1539 product_str = "LSISAS1064";
1540 break;
1541 }
1542 break;
1543 case MPI_MANUFACTPAGE_DEVID_SAS1064E:
1544 switch (revision)
1545 {
1546 case 0x00:
1547 product_str = "LSISAS1064E A0";
1548 break;
1549 case 0x01:
1550 product_str = "LSISAS1064E B0";
1551 break;
1552 case 0x02:
1553 product_str = "LSISAS1064E B1";
1554 break;
1555 case 0x04:
1556 product_str = "LSISAS1064E B2";
1557 break;
1558 case 0x08:
1559 product_str = "LSISAS1064E B3";
1560 break;
1561 default:
1562 product_str = "LSISAS1064E";
1563 break;
1564 }
1565 break;
1566 case MPI_MANUFACTPAGE_DEVID_SAS1068:
1567 switch (revision)
1568 {
1569 case 0x00:
1570 product_str = "LSISAS1068 A0";
1571 break;
1572 case 0x01:
1573 product_str = "LSISAS1068 B0";
1574 break;
1575 case 0x02:
1576 product_str = "LSISAS1068 B1";
1577 break;
1578 default:
1579 product_str = "LSISAS1068";
1580 break;
1581 }
1582 break;
1583 case MPI_MANUFACTPAGE_DEVID_SAS1068E:
1584 switch (revision)
1585 {
1586 case 0x00:
1587 product_str = "LSISAS1068E A0";
1588 break;
1589 case 0x01:
1590 product_str = "LSISAS1068E B0";
1591 break;
1592 case 0x02:
1593 product_str = "LSISAS1068E B1";
1594 break;
1595 case 0x04:
1596 product_str = "LSISAS1068E B2";
1597 break;
1598 case 0x08:
1599 product_str = "LSISAS1068E B3";
1600 break;
1601 default:
1602 product_str = "LSISAS1068E";
1603 break;
1604 }
1605 break;
1606 case MPI_MANUFACTPAGE_DEVID_SAS1078:
1607 switch (revision)
1608 {
1609 case 0x00:
1610 product_str = "LSISAS1078 A0";
1611 break;
1612 case 0x01:
1613 product_str = "LSISAS1078 B0";
1614 break;
1615 case 0x02:
1616 product_str = "LSISAS1078 C0";
1617 break;
1618 case 0x03:
1619 product_str = "LSISAS1078 C1";
1620 break;
1621 case 0x04:
1622 product_str = "LSISAS1078 C2";
1623 break;
1624 default:
1625 product_str = "LSISAS1078";
1626 break;
1627 }
1628 break;
1629 }
1630
1631 out:
1632 return product_str;
1633}
1634
1635/**
1636 * mpt_mapresources - map in memory mapped io
1637 * @ioc: Pointer to pointer to IOC adapter
1638 *
1639 **/
1640static int
1641mpt_mapresources(MPT_ADAPTER *ioc)
1642{
1643 u8 __iomem *mem;
1644 int ii;
1645 resource_size_t mem_phys;
1646 unsigned long port;
1647 u32 msize;
1648 u32 psize;
1649 int r = -ENODEV;
1650 struct pci_dev *pdev;
1651
1652 pdev = ioc->pcidev;
1653 ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
1654 if (pci_enable_device_mem(pdev)) {
1655 printk(MYIOC_s_ERR_FMT "pci_enable_device_mem() "
1656 "failed\n", ioc->name);
1657 return r;
1658 }
1659 if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) {
1660 printk(MYIOC_s_ERR_FMT "pci_request_selected_regions() with "
1661 "MEM failed\n", ioc->name);
1662 goto out_pci_disable_device;
1663 }
1664
1665 if (sizeof(dma_addr_t) > 4) {
1666 const uint64_t required_mask = dma_get_required_mask
1667 (&pdev->dev);
1668 if (required_mask > DMA_BIT_MASK(32)
1669 && !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))
1670 && !pci_set_consistent_dma_mask(pdev,
1671 DMA_BIT_MASK(64))) {
1672 ioc->dma_mask = DMA_BIT_MASK(64);
1673 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
1674 ": 64 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
1675 ioc->name));
1676 } else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
1677 && !pci_set_consistent_dma_mask(pdev,
1678 DMA_BIT_MASK(32))) {
1679 ioc->dma_mask = DMA_BIT_MASK(32);
1680 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
1681 ": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
1682 ioc->name));
1683 } else {
1684 printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n",
1685 ioc->name, pci_name(pdev));
1686 goto out_pci_release_region;
1687 }
1688 } else {
1689 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
1690 && !pci_set_consistent_dma_mask(pdev,
1691 DMA_BIT_MASK(32))) {
1692 ioc->dma_mask = DMA_BIT_MASK(32);
1693 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
1694 ": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
1695 ioc->name));
1696 } else {
1697 printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n",
1698 ioc->name, pci_name(pdev));
1699 goto out_pci_release_region;
1700 }
1701 }
1702
1703 mem_phys = msize = 0;
1704 port = psize = 0;
1705 for (ii = 0; ii < DEVICE_COUNT_RESOURCE; ii++) {
1706 if (pci_resource_flags(pdev, ii) & PCI_BASE_ADDRESS_SPACE_IO) {
1707 if (psize)
1708 continue;
1709 /* Get I/O space! */
1710 port = pci_resource_start(pdev, ii);
1711 psize = pci_resource_len(pdev, ii);
1712 } else {
1713 if (msize)
1714 continue;
1715 /* Get memmap */
1716 mem_phys = pci_resource_start(pdev, ii);
1717 msize = pci_resource_len(pdev, ii);
1718 }
1719 }
1720 ioc->mem_size = msize;
1721
1722 mem = NULL;
1723 /* Get logical ptr for PciMem0 space */
1724 /*mem = ioremap(mem_phys, msize);*/
1725 mem = ioremap(mem_phys, msize);
1726 if (mem == NULL) {
1727 printk(MYIOC_s_ERR_FMT ": ERROR - Unable to map adapter"
1728 " memory!\n", ioc->name);
1729 r = -EINVAL;
1730 goto out_pci_release_region;
1731 }
1732 ioc->memmap = mem;
1733 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %llx\n",
1734 ioc->name, mem, (unsigned long long)mem_phys));
1735
1736 ioc->mem_phys = mem_phys;
1737 ioc->chip = (SYSIF_REGS __iomem *)mem;
1738
1739 /* Save Port IO values in case we need to do downloadboot */
1740 ioc->pio_mem_phys = port;
1741 ioc->pio_chip = (SYSIF_REGS __iomem *)port;
1742
1743 return 0;
1744
1745out_pci_release_region:
1746 pci_release_selected_regions(pdev, ioc->bars);
1747out_pci_disable_device:
1748 pci_disable_device(pdev);
1749 return r;
1750}
1751
1752/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1753/**
1754 * mpt_attach - Install a PCI intelligent MPT adapter.
1755 * @pdev: Pointer to pci_dev structure
1756 * @id: PCI device ID information
1757 *
1758 * This routine performs all the steps necessary to bring the IOC of
1759 * a MPT adapter to a OPERATIONAL state. This includes registering
1760 * memory regions, registering the interrupt, and allocating request
1761 * and reply memory pools.
1762 *
1763 * This routine also pre-fetches the LAN MAC address of a Fibre Channel
1764 * MPT adapter.
1765 *
1766 * Returns 0 for success, non-zero for failure.
1767 *
1768 * TODO: Add support for polled controllers
1769 */
1770int
1771mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
1772{
1773 MPT_ADAPTER *ioc;
1774 u8 cb_idx;
1775 int r = -ENODEV;
1776 u8 pcixcmd;
1777 static int mpt_ids = 0;
1778#ifdef CONFIG_PROC_FS
1779 struct proc_dir_entry *dent;
1780#endif
1781
1782 ioc = kzalloc(sizeof(MPT_ADAPTER), GFP_KERNEL);
1783 if (ioc == NULL) {
1784 printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n");
1785 return -ENOMEM;
1786 }
1787
1788 ioc->id = mpt_ids++;
1789 sprintf(ioc->name, "ioc%d", ioc->id);
1790 dinitprintk(ioc, printk(KERN_WARNING MYNAM ": mpt_adapter_install\n"));
1791
1792 /*
1793 * set initial debug level
1794 * (refer to mptdebug.h)
1795 *
1796 */
1797 ioc->debug_level = mpt_debug_level;
1798 if (mpt_debug_level)
1799 printk(KERN_INFO "mpt_debug_level=%xh\n", mpt_debug_level);
1800
1801 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": mpt_adapter_install\n", ioc->name));
1802
1803 ioc->pcidev = pdev;
1804 if (mpt_mapresources(ioc)) {
1805 goto out_free_ioc;
1806 }
1807
1808 /*
1809 * Setting up proper handlers for scatter gather handling
1810 */
1811 if (ioc->dma_mask == DMA_BIT_MASK(64)) {
1812 if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078)
1813 ioc->add_sge = &mpt_add_sge_64bit_1078;
1814 else
1815 ioc->add_sge = &mpt_add_sge_64bit;
1816 ioc->add_chain = &mpt_add_chain_64bit;
1817 ioc->sg_addr_size = 8;
1818 } else {
1819 ioc->add_sge = &mpt_add_sge;
1820 ioc->add_chain = &mpt_add_chain;
1821 ioc->sg_addr_size = 4;
1822 }
1823 ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size;
1824
1825 ioc->alloc_total = sizeof(MPT_ADAPTER);
1826 ioc->req_sz = MPT_DEFAULT_FRAME_SIZE; /* avoid div by zero! */
1827 ioc->reply_sz = MPT_REPLY_FRAME_SIZE;
1828
1829
1830 spin_lock_init(&ioc->taskmgmt_lock);
1831 mutex_init(&ioc->internal_cmds.mutex);
1832 init_completion(&ioc->internal_cmds.done);
1833 mutex_init(&ioc->mptbase_cmds.mutex);
1834 init_completion(&ioc->mptbase_cmds.done);
1835 mutex_init(&ioc->taskmgmt_cmds.mutex);
1836 init_completion(&ioc->taskmgmt_cmds.done);
1837
1838 /* Initialize the event logging.
1839 */
1840 ioc->eventTypes = 0; /* None */
1841 ioc->eventContext = 0;
1842 ioc->eventLogSize = 0;
1843 ioc->events = NULL;
1844
1845#ifdef MFCNT
1846 ioc->mfcnt = 0;
1847#endif
1848
1849 ioc->sh = NULL;
1850 ioc->cached_fw = NULL;
1851
1852 /* Initialize SCSI Config Data structure
1853 */
1854 memset(&ioc->spi_data, 0, sizeof(SpiCfgData));
1855
1856 /* Initialize the fc rport list head.
1857 */
1858 INIT_LIST_HEAD(&ioc->fc_rports);
1859
1860 /* Find lookup slot. */
1861 INIT_LIST_HEAD(&ioc->list);
1862
1863
1864 /* Initialize workqueue */
1865 INIT_DELAYED_WORK(&ioc->fault_reset_work, mpt_fault_reset_work);
1866
1867 snprintf(ioc->reset_work_q_name, MPT_KOBJ_NAME_LEN,
1868 "mpt_poll_%d", ioc->id);
1869 ioc->reset_work_q = alloc_workqueue(ioc->reset_work_q_name,
1870 WQ_MEM_RECLAIM, 0);
1871 if (!ioc->reset_work_q) {
1872 printk(MYIOC_s_ERR_FMT "Insufficient memory to add adapter!\n",
1873 ioc->name);
1874 r = -ENOMEM;
1875 goto out_unmap_resources;
1876 }
1877
1878 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "facts @ %p, pfacts[0] @ %p\n",
1879 ioc->name, &ioc->facts, &ioc->pfacts[0]));
1880
1881 ioc->prod_name = mpt_get_product_name(pdev->vendor, pdev->device,
1882 pdev->revision);
1883
1884 switch (pdev->device)
1885 {
1886 case MPI_MANUFACTPAGE_DEVICEID_FC939X:
1887 case MPI_MANUFACTPAGE_DEVICEID_FC949X:
1888 ioc->errata_flag_1064 = 1;
1889 fallthrough;
1890 case MPI_MANUFACTPAGE_DEVICEID_FC909:
1891 case MPI_MANUFACTPAGE_DEVICEID_FC929:
1892 case MPI_MANUFACTPAGE_DEVICEID_FC919:
1893 case MPI_MANUFACTPAGE_DEVICEID_FC949E:
1894 ioc->bus_type = FC;
1895 break;
1896
1897 case MPI_MANUFACTPAGE_DEVICEID_FC929X:
1898 if (pdev->revision < XL_929) {
1899 /* 929X Chip Fix. Set Split transactions level
1900 * for PCIX. Set MOST bits to zero.
1901 */
1902 pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1903 pcixcmd &= 0x8F;
1904 pci_write_config_byte(pdev, 0x6a, pcixcmd);
1905 } else {
1906 /* 929XL Chip Fix. Set MMRBC to 0x08.
1907 */
1908 pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1909 pcixcmd |= 0x08;
1910 pci_write_config_byte(pdev, 0x6a, pcixcmd);
1911 }
1912 ioc->bus_type = FC;
1913 break;
1914
1915 case MPI_MANUFACTPAGE_DEVICEID_FC919X:
1916 /* 919X Chip Fix. Set Split transactions level
1917 * for PCIX. Set MOST bits to zero.
1918 */
1919 pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1920 pcixcmd &= 0x8F;
1921 pci_write_config_byte(pdev, 0x6a, pcixcmd);
1922 ioc->bus_type = FC;
1923 break;
1924
1925 case MPI_MANUFACTPAGE_DEVID_53C1030:
1926 /* 1030 Chip Fix. Disable Split transactions
1927 * for PCIX. Set MOST bits to zero if Rev < C0( = 8).
1928 */
1929 if (pdev->revision < C0_1030) {
1930 pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1931 pcixcmd &= 0x8F;
1932 pci_write_config_byte(pdev, 0x6a, pcixcmd);
1933 }
1934 fallthrough;
1935
1936 case MPI_MANUFACTPAGE_DEVID_1030_53C1035:
1937 ioc->bus_type = SPI;
1938 break;
1939
1940 case MPI_MANUFACTPAGE_DEVID_SAS1064:
1941 case MPI_MANUFACTPAGE_DEVID_SAS1068:
1942 ioc->errata_flag_1064 = 1;
1943 ioc->bus_type = SAS;
1944 break;
1945
1946 case MPI_MANUFACTPAGE_DEVID_SAS1064E:
1947 case MPI_MANUFACTPAGE_DEVID_SAS1068E:
1948 case MPI_MANUFACTPAGE_DEVID_SAS1078:
1949 ioc->bus_type = SAS;
1950 break;
1951 }
1952
1953
1954 switch (ioc->bus_type) {
1955
1956 case SAS:
1957 ioc->msi_enable = mpt_msi_enable_sas;
1958 break;
1959
1960 case SPI:
1961 ioc->msi_enable = mpt_msi_enable_spi;
1962 break;
1963
1964 case FC:
1965 ioc->msi_enable = mpt_msi_enable_fc;
1966 break;
1967
1968 default:
1969 ioc->msi_enable = 0;
1970 break;
1971 }
1972
1973 ioc->fw_events_off = 1;
1974
1975 if (ioc->errata_flag_1064)
1976 pci_disable_io_access(pdev);
1977
1978 spin_lock_init(&ioc->FreeQlock);
1979
1980 /* Disable all! */
1981 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
1982 ioc->active = 0;
1983 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1984
1985 /* Set IOC ptr in the pcidev's driver data. */
1986 pci_set_drvdata(ioc->pcidev, ioc);
1987
1988 /* Set lookup ptr. */
1989 list_add_tail(&ioc->list, &ioc_list);
1990
1991 /* Check for "bound ports" (929, 929X, 1030, 1035) to reduce redundant resets.
1992 */
1993 mpt_detect_bound_ports(ioc, pdev);
1994
1995 INIT_LIST_HEAD(&ioc->fw_event_list);
1996 spin_lock_init(&ioc->fw_event_lock);
1997 snprintf(ioc->fw_event_q_name, MPT_KOBJ_NAME_LEN, "mpt/%d", ioc->id);
1998 ioc->fw_event_q = alloc_workqueue(ioc->fw_event_q_name,
1999 WQ_MEM_RECLAIM, 0);
2000 if (!ioc->fw_event_q) {
2001 printk(MYIOC_s_ERR_FMT "Insufficient memory to add adapter!\n",
2002 ioc->name);
2003 r = -ENOMEM;
2004 goto out_remove_ioc;
2005 }
2006
2007 if ((r = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP,
2008 CAN_SLEEP)) != 0){
2009 printk(MYIOC_s_ERR_FMT "didn't initialize properly! (%d)\n",
2010 ioc->name, r);
2011
2012 destroy_workqueue(ioc->fw_event_q);
2013 ioc->fw_event_q = NULL;
2014
2015 list_del(&ioc->list);
2016 if (ioc->alt_ioc)
2017 ioc->alt_ioc->alt_ioc = NULL;
2018 iounmap(ioc->memmap);
2019 if (pci_is_enabled(pdev))
2020 pci_disable_device(pdev);
2021 if (r != -5)
2022 pci_release_selected_regions(pdev, ioc->bars);
2023
2024 destroy_workqueue(ioc->reset_work_q);
2025 ioc->reset_work_q = NULL;
2026
2027 kfree(ioc);
2028 return r;
2029 }
2030
2031 /* call per device driver probe entry point */
2032 for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
2033 if(MptDeviceDriverHandlers[cb_idx] &&
2034 MptDeviceDriverHandlers[cb_idx]->probe) {
2035 MptDeviceDriverHandlers[cb_idx]->probe(pdev,id);
2036 }
2037 }
2038
2039#ifdef CONFIG_PROC_FS
2040 /*
2041 * Create "/proc/mpt/iocN" subdirectory entry for each MPT adapter.
2042 */
2043 dent = proc_mkdir(ioc->name, mpt_proc_root_dir);
2044 if (dent) {
2045 proc_create_single_data("info", S_IRUGO, dent,
2046 mpt_iocinfo_proc_show, ioc);
2047 proc_create_single_data("summary", S_IRUGO, dent,
2048 mpt_summary_proc_show, ioc);
2049 }
2050#endif
2051
2052 if (!ioc->alt_ioc)
2053 queue_delayed_work(ioc->reset_work_q, &ioc->fault_reset_work,
2054 msecs_to_jiffies(MPT_POLLING_INTERVAL));
2055
2056 return 0;
2057
2058out_remove_ioc:
2059 list_del(&ioc->list);
2060 if (ioc->alt_ioc)
2061 ioc->alt_ioc->alt_ioc = NULL;
2062
2063 destroy_workqueue(ioc->reset_work_q);
2064 ioc->reset_work_q = NULL;
2065
2066out_unmap_resources:
2067 iounmap(ioc->memmap);
2068 pci_disable_device(pdev);
2069 pci_release_selected_regions(pdev, ioc->bars);
2070
2071out_free_ioc:
2072 kfree(ioc);
2073
2074 return r;
2075}
2076
2077/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2078/**
2079 * mpt_detach - Remove a PCI intelligent MPT adapter.
2080 * @pdev: Pointer to pci_dev structure
2081 */
2082
2083void
2084mpt_detach(struct pci_dev *pdev)
2085{
2086 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2087 char pname[64];
2088 u8 cb_idx;
2089 unsigned long flags;
2090 struct workqueue_struct *wq;
2091
2092 /*
2093 * Stop polling ioc for fault condition
2094 */
2095 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2096 wq = ioc->reset_work_q;
2097 ioc->reset_work_q = NULL;
2098 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2099 cancel_delayed_work(&ioc->fault_reset_work);
2100 destroy_workqueue(wq);
2101
2102 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2103 wq = ioc->fw_event_q;
2104 ioc->fw_event_q = NULL;
2105 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2106 destroy_workqueue(wq);
2107
2108 snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name);
2109 remove_proc_entry(pname, NULL);
2110 snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s/info", ioc->name);
2111 remove_proc_entry(pname, NULL);
2112 snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s", ioc->name);
2113 remove_proc_entry(pname, NULL);
2114
2115 /* call per device driver remove entry point */
2116 for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
2117 if(MptDeviceDriverHandlers[cb_idx] &&
2118 MptDeviceDriverHandlers[cb_idx]->remove) {
2119 MptDeviceDriverHandlers[cb_idx]->remove(pdev);
2120 }
2121 }
2122
2123 /* Disable interrupts! */
2124 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
2125
2126 ioc->active = 0;
2127 synchronize_irq(pdev->irq);
2128
2129 /* Clear any lingering interrupt */
2130 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
2131
2132 CHIPREG_READ32(&ioc->chip->IntStatus);
2133
2134 mpt_adapter_dispose(ioc);
2135
2136}
2137
2138/**************************************************************************
2139 * Power Management
2140 */
2141#ifdef CONFIG_PM
2142/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2143/**
2144 * mpt_suspend - Fusion MPT base driver suspend routine.
2145 * @pdev: Pointer to pci_dev structure
2146 * @state: new state to enter
2147 */
2148int
2149mpt_suspend(struct pci_dev *pdev, pm_message_t state)
2150{
2151 u32 device_state;
2152 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2153
2154 device_state = pci_choose_state(pdev, state);
2155 printk(MYIOC_s_INFO_FMT "pci-suspend: pdev=0x%p, slot=%s, Entering "
2156 "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev),
2157 device_state);
2158
2159 /* put ioc into READY_STATE */
2160 if (SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, CAN_SLEEP)) {
2161 printk(MYIOC_s_ERR_FMT
2162 "pci-suspend: IOC msg unit reset failed!\n", ioc->name);
2163 }
2164
2165 /* disable interrupts */
2166 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
2167 ioc->active = 0;
2168
2169 /* Clear any lingering interrupt */
2170 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
2171
2172 free_irq(ioc->pci_irq, ioc);
2173 if (ioc->msi_enable)
2174 pci_disable_msi(ioc->pcidev);
2175 ioc->pci_irq = -1;
2176 pci_save_state(pdev);
2177 pci_disable_device(pdev);
2178 pci_release_selected_regions(pdev, ioc->bars);
2179 pci_set_power_state(pdev, device_state);
2180 return 0;
2181}
2182
2183/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2184/**
2185 * mpt_resume - Fusion MPT base driver resume routine.
2186 * @pdev: Pointer to pci_dev structure
2187 */
2188int
2189mpt_resume(struct pci_dev *pdev)
2190{
2191 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2192 u32 device_state = pdev->current_state;
2193 int recovery_state;
2194 int err;
2195
2196 printk(MYIOC_s_INFO_FMT "pci-resume: pdev=0x%p, slot=%s, Previous "
2197 "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev),
2198 device_state);
2199
2200 pci_set_power_state(pdev, PCI_D0);
2201 pci_enable_wake(pdev, PCI_D0, 0);
2202 pci_restore_state(pdev);
2203 ioc->pcidev = pdev;
2204 err = mpt_mapresources(ioc);
2205 if (err)
2206 return err;
2207
2208 if (ioc->dma_mask == DMA_BIT_MASK(64)) {
2209 if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078)
2210 ioc->add_sge = &mpt_add_sge_64bit_1078;
2211 else
2212 ioc->add_sge = &mpt_add_sge_64bit;
2213 ioc->add_chain = &mpt_add_chain_64bit;
2214 ioc->sg_addr_size = 8;
2215 } else {
2216
2217 ioc->add_sge = &mpt_add_sge;
2218 ioc->add_chain = &mpt_add_chain;
2219 ioc->sg_addr_size = 4;
2220 }
2221 ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size;
2222
2223 printk(MYIOC_s_INFO_FMT "pci-resume: ioc-state=0x%x,doorbell=0x%x\n",
2224 ioc->name, (mpt_GetIocState(ioc, 1) >> MPI_IOC_STATE_SHIFT),
2225 CHIPREG_READ32(&ioc->chip->Doorbell));
2226
2227 /*
2228 * Errata workaround for SAS pci express:
2229 * Upon returning to the D0 state, the contents of the doorbell will be
2230 * stale data, and this will incorrectly signal to the host driver that
2231 * the firmware is ready to process mpt commands. The workaround is
2232 * to issue a diagnostic reset.
2233 */
2234 if (ioc->bus_type == SAS && (pdev->device ==
2235 MPI_MANUFACTPAGE_DEVID_SAS1068E || pdev->device ==
2236 MPI_MANUFACTPAGE_DEVID_SAS1064E)) {
2237 if (KickStart(ioc, 1, CAN_SLEEP) < 0) {
2238 printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover\n",
2239 ioc->name);
2240 goto out;
2241 }
2242 }
2243
2244 /* bring ioc to operational state */
2245 printk(MYIOC_s_INFO_FMT "Sending mpt_do_ioc_recovery\n", ioc->name);
2246 recovery_state = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP,
2247 CAN_SLEEP);
2248 if (recovery_state != 0)
2249 printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover, "
2250 "error:[%x]\n", ioc->name, recovery_state);
2251 else
2252 printk(MYIOC_s_INFO_FMT
2253 "pci-resume: success\n", ioc->name);
2254 out:
2255 return 0;
2256
2257}
2258#endif
2259
2260static int
2261mpt_signal_reset(u8 index, MPT_ADAPTER *ioc, int reset_phase)
2262{
2263 if ((MptDriverClass[index] == MPTSPI_DRIVER &&
2264 ioc->bus_type != SPI) ||
2265 (MptDriverClass[index] == MPTFC_DRIVER &&
2266 ioc->bus_type != FC) ||
2267 (MptDriverClass[index] == MPTSAS_DRIVER &&
2268 ioc->bus_type != SAS))
2269 /* make sure we only call the relevant reset handler
2270 * for the bus */
2271 return 0;
2272 return (MptResetHandlers[index])(ioc, reset_phase);
2273}
2274
2275/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2276/**
2277 * mpt_do_ioc_recovery - Initialize or recover MPT adapter.
2278 * @ioc: Pointer to MPT adapter structure
2279 * @reason: Event word / reason
2280 * @sleepFlag: Use schedule if CAN_SLEEP else use udelay.
2281 *
2282 * This routine performs all the steps necessary to bring the IOC
2283 * to a OPERATIONAL state.
2284 *
2285 * This routine also pre-fetches the LAN MAC address of a Fibre Channel
2286 * MPT adapter.
2287 *
2288 * Returns:
2289 * 0 for success
2290 * -1 if failed to get board READY
2291 * -2 if READY but IOCFacts Failed
2292 * -3 if READY but PrimeIOCFifos Failed
2293 * -4 if READY but IOCInit Failed
2294 * -5 if failed to enable_device and/or request_selected_regions
2295 * -6 if failed to upload firmware
2296 */
2297static int
2298mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
2299{
2300 int hard_reset_done = 0;
2301 int alt_ioc_ready = 0;
2302 int hard;
2303 int rc=0;
2304 int ii;
2305 int ret = 0;
2306 int reset_alt_ioc_active = 0;
2307 int irq_allocated = 0;
2308 u8 *a;
2309
2310 printk(MYIOC_s_INFO_FMT "Initiating %s\n", ioc->name,
2311 reason == MPT_HOSTEVENT_IOC_BRINGUP ? "bringup" : "recovery");
2312
2313 /* Disable reply interrupts (also blocks FreeQ) */
2314 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
2315 ioc->active = 0;
2316
2317 if (ioc->alt_ioc) {
2318 if (ioc->alt_ioc->active ||
2319 reason == MPT_HOSTEVENT_IOC_RECOVER) {
2320 reset_alt_ioc_active = 1;
2321 /* Disable alt-IOC's reply interrupts
2322 * (and FreeQ) for a bit
2323 **/
2324 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask,
2325 0xFFFFFFFF);
2326 ioc->alt_ioc->active = 0;
2327 }
2328 }
2329
2330 hard = 1;
2331 if (reason == MPT_HOSTEVENT_IOC_BRINGUP)
2332 hard = 0;
2333
2334 if ((hard_reset_done = MakeIocReady(ioc, hard, sleepFlag)) < 0) {
2335 if (hard_reset_done == -4) {
2336 printk(MYIOC_s_WARN_FMT "Owned by PEER..skipping!\n",
2337 ioc->name);
2338
2339 if (reset_alt_ioc_active && ioc->alt_ioc) {
2340 /* (re)Enable alt-IOC! (reply interrupt, FreeQ) */
2341 dprintk(ioc, printk(MYIOC_s_INFO_FMT
2342 "alt_ioc reply irq re-enabled\n", ioc->alt_ioc->name));
2343 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, MPI_HIM_DIM);
2344 ioc->alt_ioc->active = 1;
2345 }
2346
2347 } else {
2348 printk(MYIOC_s_WARN_FMT
2349 "NOT READY WARNING!\n", ioc->name);
2350 }
2351 ret = -1;
2352 goto out;
2353 }
2354
2355 /* hard_reset_done = 0 if a soft reset was performed
2356 * and 1 if a hard reset was performed.
2357 */
2358 if (hard_reset_done && reset_alt_ioc_active && ioc->alt_ioc) {
2359 if ((rc = MakeIocReady(ioc->alt_ioc, 0, sleepFlag)) == 0)
2360 alt_ioc_ready = 1;
2361 else
2362 printk(MYIOC_s_WARN_FMT
2363 ": alt-ioc Not ready WARNING!\n",
2364 ioc->alt_ioc->name);
2365 }
2366
2367 for (ii=0; ii<5; ii++) {
2368 /* Get IOC facts! Allow 5 retries */
2369 if ((rc = GetIocFacts(ioc, sleepFlag, reason)) == 0)
2370 break;
2371 }
2372
2373
2374 if (ii == 5) {
2375 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2376 "Retry IocFacts failed rc=%x\n", ioc->name, rc));
2377 ret = -2;
2378 } else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
2379 MptDisplayIocCapabilities(ioc);
2380 }
2381
2382 if (alt_ioc_ready) {
2383 if ((rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason)) != 0) {
2384 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2385 "Initial Alt IocFacts failed rc=%x\n",
2386 ioc->name, rc));
2387 /* Retry - alt IOC was initialized once
2388 */
2389 rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason);
2390 }
2391 if (rc) {
2392 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2393 "Retry Alt IocFacts failed rc=%x\n", ioc->name, rc));
2394 alt_ioc_ready = 0;
2395 reset_alt_ioc_active = 0;
2396 } else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
2397 MptDisplayIocCapabilities(ioc->alt_ioc);
2398 }
2399 }
2400
2401 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP) &&
2402 (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)) {
2403 pci_release_selected_regions(ioc->pcidev, ioc->bars);
2404 ioc->bars = pci_select_bars(ioc->pcidev, IORESOURCE_MEM |
2405 IORESOURCE_IO);
2406 if (pci_enable_device(ioc->pcidev))
2407 return -5;
2408 if (pci_request_selected_regions(ioc->pcidev, ioc->bars,
2409 "mpt"))
2410 return -5;
2411 }
2412
2413 /*
2414 * Device is reset now. It must have de-asserted the interrupt line
2415 * (if it was asserted) and it should be safe to register for the
2416 * interrupt now.
2417 */
2418 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) {
2419 ioc->pci_irq = -1;
2420 if (ioc->pcidev->irq) {
2421 if (ioc->msi_enable && !pci_enable_msi(ioc->pcidev))
2422 printk(MYIOC_s_INFO_FMT "PCI-MSI enabled\n",
2423 ioc->name);
2424 else
2425 ioc->msi_enable = 0;
2426 rc = request_irq(ioc->pcidev->irq, mpt_interrupt,
2427 IRQF_SHARED, ioc->name, ioc);
2428 if (rc < 0) {
2429 printk(MYIOC_s_ERR_FMT "Unable to allocate "
2430 "interrupt %d!\n",
2431 ioc->name, ioc->pcidev->irq);
2432 if (ioc->msi_enable)
2433 pci_disable_msi(ioc->pcidev);
2434 ret = -EBUSY;
2435 goto out;
2436 }
2437 irq_allocated = 1;
2438 ioc->pci_irq = ioc->pcidev->irq;
2439 pci_set_master(ioc->pcidev); /* ?? */
2440 pci_set_drvdata(ioc->pcidev, ioc);
2441 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
2442 "installed at interrupt %d\n", ioc->name,
2443 ioc->pcidev->irq));
2444 }
2445 }
2446
2447 /* Prime reply & request queues!
2448 * (mucho alloc's) Must be done prior to
2449 * init as upper addresses are needed for init.
2450 * If fails, continue with alt-ioc processing
2451 */
2452 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "PrimeIocFifos\n",
2453 ioc->name));
2454 if ((ret == 0) && ((rc = PrimeIocFifos(ioc)) != 0))
2455 ret = -3;
2456
2457 /* May need to check/upload firmware & data here!
2458 * If fails, continue with alt-ioc processing
2459 */
2460 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "SendIocInit\n",
2461 ioc->name));
2462 if ((ret == 0) && ((rc = SendIocInit(ioc, sleepFlag)) != 0))
2463 ret = -4;
2464// NEW!
2465 if (alt_ioc_ready && ((rc = PrimeIocFifos(ioc->alt_ioc)) != 0)) {
2466 printk(MYIOC_s_WARN_FMT
2467 ": alt-ioc (%d) FIFO mgmt alloc WARNING!\n",
2468 ioc->alt_ioc->name, rc);
2469 alt_ioc_ready = 0;
2470 reset_alt_ioc_active = 0;
2471 }
2472
2473 if (alt_ioc_ready) {
2474 if ((rc = SendIocInit(ioc->alt_ioc, sleepFlag)) != 0) {
2475 alt_ioc_ready = 0;
2476 reset_alt_ioc_active = 0;
2477 printk(MYIOC_s_WARN_FMT
2478 ": alt-ioc: (%d) init failure WARNING!\n",
2479 ioc->alt_ioc->name, rc);
2480 }
2481 }
2482
2483 if (reason == MPT_HOSTEVENT_IOC_BRINGUP){
2484 if (ioc->upload_fw) {
2485 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2486 "firmware upload required!\n", ioc->name));
2487
2488 /* Controller is not operational, cannot do upload
2489 */
2490 if (ret == 0) {
2491 rc = mpt_do_upload(ioc, sleepFlag);
2492 if (rc == 0) {
2493 if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) {
2494 /*
2495 * Maintain only one pointer to FW memory
2496 * so there will not be two attempt to
2497 * downloadboot onboard dual function
2498 * chips (mpt_adapter_disable,
2499 * mpt_diag_reset)
2500 */
2501 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2502 "mpt_upload: alt_%s has cached_fw=%p \n",
2503 ioc->name, ioc->alt_ioc->name, ioc->alt_ioc->cached_fw));
2504 ioc->cached_fw = NULL;
2505 }
2506 } else {
2507 printk(MYIOC_s_WARN_FMT
2508 "firmware upload failure!\n", ioc->name);
2509 ret = -6;
2510 }
2511 }
2512 }
2513 }
2514
2515 /* Enable MPT base driver management of EventNotification
2516 * and EventAck handling.
2517 */
2518 if ((ret == 0) && (!ioc->facts.EventState)) {
2519 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
2520 "SendEventNotification\n",
2521 ioc->name));
2522 ret = SendEventNotification(ioc, 1, sleepFlag); /* 1=Enable */
2523 }
2524
2525 if (ioc->alt_ioc && alt_ioc_ready && !ioc->alt_ioc->facts.EventState)
2526 rc = SendEventNotification(ioc->alt_ioc, 1, sleepFlag);
2527
2528 if (ret == 0) {
2529 /* Enable! (reply interrupt) */
2530 CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
2531 ioc->active = 1;
2532 }
2533 if (rc == 0) { /* alt ioc */
2534 if (reset_alt_ioc_active && ioc->alt_ioc) {
2535 /* (re)Enable alt-IOC! (reply interrupt) */
2536 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "alt-ioc"
2537 "reply irq re-enabled\n",
2538 ioc->alt_ioc->name));
2539 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask,
2540 MPI_HIM_DIM);
2541 ioc->alt_ioc->active = 1;
2542 }
2543 }
2544
2545
2546 /* Add additional "reason" check before call to GetLanConfigPages
2547 * (combined with GetIoUnitPage2 call). This prevents a somewhat
2548 * recursive scenario; GetLanConfigPages times out, timer expired
2549 * routine calls HardResetHandler, which calls into here again,
2550 * and we try GetLanConfigPages again...
2551 */
2552 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) {
2553
2554 /*
2555 * Initialize link list for inactive raid volumes.
2556 */
2557 mutex_init(&ioc->raid_data.inactive_list_mutex);
2558 INIT_LIST_HEAD(&ioc->raid_data.inactive_list);
2559
2560 switch (ioc->bus_type) {
2561
2562 case SAS:
2563 /* clear persistency table */
2564 if(ioc->facts.IOCExceptions &
2565 MPI_IOCFACTS_EXCEPT_PERSISTENT_TABLE_FULL) {
2566 ret = mptbase_sas_persist_operation(ioc,
2567 MPI_SAS_OP_CLEAR_NOT_PRESENT);
2568 if(ret != 0)
2569 goto out;
2570 }
2571
2572 /* Find IM volumes
2573 */
2574 mpt_findImVolumes(ioc);
2575
2576 /* Check, and possibly reset, the coalescing value
2577 */
2578 mpt_read_ioc_pg_1(ioc);
2579
2580 break;
2581
2582 case FC:
2583 if ((ioc->pfacts[0].ProtocolFlags &
2584 MPI_PORTFACTS_PROTOCOL_LAN) &&
2585 (ioc->lan_cnfg_page0.Header.PageLength == 0)) {
2586 /*
2587 * Pre-fetch the ports LAN MAC address!
2588 * (LANPage1_t stuff)
2589 */
2590 (void) GetLanConfigPages(ioc);
2591 a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
2592 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2593 "LanAddr = %pMR\n", ioc->name, a));
2594 }
2595 break;
2596
2597 case SPI:
2598 /* Get NVRAM and adapter maximums from SPP 0 and 2
2599 */
2600 mpt_GetScsiPortSettings(ioc, 0);
2601
2602 /* Get version and length of SDP 1
2603 */
2604 mpt_readScsiDevicePageHeaders(ioc, 0);
2605
2606 /* Find IM volumes
2607 */
2608 if (ioc->facts.MsgVersion >= MPI_VERSION_01_02)
2609 mpt_findImVolumes(ioc);
2610
2611 /* Check, and possibly reset, the coalescing value
2612 */
2613 mpt_read_ioc_pg_1(ioc);
2614
2615 mpt_read_ioc_pg_4(ioc);
2616
2617 break;
2618 }
2619
2620 GetIoUnitPage2(ioc);
2621 mpt_get_manufacturing_pg_0(ioc);
2622 }
2623
2624 out:
2625 if ((ret != 0) && irq_allocated) {
2626 free_irq(ioc->pci_irq, ioc);
2627 if (ioc->msi_enable)
2628 pci_disable_msi(ioc->pcidev);
2629 }
2630 return ret;
2631}
2632
2633/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2634/**
2635 * mpt_detect_bound_ports - Search for matching PCI bus/dev_function
2636 * @ioc: Pointer to MPT adapter structure
2637 * @pdev: Pointer to (struct pci_dev) structure
2638 *
2639 * Search for PCI bus/dev_function which matches
2640 * PCI bus/dev_function (+/-1) for newly discovered 929,
2641 * 929X, 1030 or 1035.
2642 *
2643 * If match on PCI dev_function +/-1 is found, bind the two MPT adapters
2644 * using alt_ioc pointer fields in their %MPT_ADAPTER structures.
2645 */
2646static void
2647mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev)
2648{
2649 struct pci_dev *peer=NULL;
2650 unsigned int slot = PCI_SLOT(pdev->devfn);
2651 unsigned int func = PCI_FUNC(pdev->devfn);
2652 MPT_ADAPTER *ioc_srch;
2653
2654 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PCI device %s devfn=%x/%x,"
2655 " searching for devfn match on %x or %x\n",
2656 ioc->name, pci_name(pdev), pdev->bus->number,
2657 pdev->devfn, func-1, func+1));
2658
2659 peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func-1));
2660 if (!peer) {
2661 peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func+1));
2662 if (!peer)
2663 return;
2664 }
2665
2666 list_for_each_entry(ioc_srch, &ioc_list, list) {
2667 struct pci_dev *_pcidev = ioc_srch->pcidev;
2668 if (_pcidev == peer) {
2669 /* Paranoia checks */
2670 if (ioc->alt_ioc != NULL) {
2671 printk(MYIOC_s_WARN_FMT
2672 "Oops, already bound (%s <==> %s)!\n",
2673 ioc->name, ioc->name, ioc->alt_ioc->name);
2674 break;
2675 } else if (ioc_srch->alt_ioc != NULL) {
2676 printk(MYIOC_s_WARN_FMT
2677 "Oops, already bound (%s <==> %s)!\n",
2678 ioc_srch->name, ioc_srch->name,
2679 ioc_srch->alt_ioc->name);
2680 break;
2681 }
2682 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2683 "FOUND! binding %s <==> %s\n",
2684 ioc->name, ioc->name, ioc_srch->name));
2685 ioc_srch->alt_ioc = ioc;
2686 ioc->alt_ioc = ioc_srch;
2687 }
2688 }
2689 pci_dev_put(peer);
2690}
2691
2692/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2693/**
2694 * mpt_adapter_disable - Disable misbehaving MPT adapter.
2695 * @ioc: Pointer to MPT adapter structure
2696 */
2697static void
2698mpt_adapter_disable(MPT_ADAPTER *ioc)
2699{
2700 int sz;
2701 int ret;
2702
2703 if (ioc->cached_fw != NULL) {
2704 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2705 "%s: Pushing FW onto adapter\n", __func__, ioc->name));
2706 if ((ret = mpt_downloadboot(ioc, (MpiFwHeader_t *)
2707 ioc->cached_fw, CAN_SLEEP)) < 0) {
2708 printk(MYIOC_s_WARN_FMT
2709 ": firmware downloadboot failure (%d)!\n",
2710 ioc->name, ret);
2711 }
2712 }
2713
2714 /*
2715 * Put the controller into ready state (if its not already)
2716 */
2717 if (mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_READY) {
2718 if (!SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET,
2719 CAN_SLEEP)) {
2720 if (mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_READY)
2721 printk(MYIOC_s_ERR_FMT "%s: IOC msg unit "
2722 "reset failed to put ioc in ready state!\n",
2723 ioc->name, __func__);
2724 } else
2725 printk(MYIOC_s_ERR_FMT "%s: IOC msg unit reset "
2726 "failed!\n", ioc->name, __func__);
2727 }
2728
2729
2730 /* Disable adapter interrupts! */
2731 synchronize_irq(ioc->pcidev->irq);
2732 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
2733 ioc->active = 0;
2734
2735 /* Clear any lingering interrupt */
2736 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
2737 CHIPREG_READ32(&ioc->chip->IntStatus);
2738
2739 if (ioc->alloc != NULL) {
2740 sz = ioc->alloc_sz;
2741 dexitprintk(ioc, printk(MYIOC_s_INFO_FMT "free @ %p, sz=%d bytes\n",
2742 ioc->name, ioc->alloc, ioc->alloc_sz));
2743 dma_free_coherent(&ioc->pcidev->dev, sz, ioc->alloc,
2744 ioc->alloc_dma);
2745 ioc->reply_frames = NULL;
2746 ioc->req_frames = NULL;
2747 ioc->alloc = NULL;
2748 ioc->alloc_total -= sz;
2749 }
2750
2751 if (ioc->sense_buf_pool != NULL) {
2752 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
2753 dma_free_coherent(&ioc->pcidev->dev, sz, ioc->sense_buf_pool,
2754 ioc->sense_buf_pool_dma);
2755 ioc->sense_buf_pool = NULL;
2756 ioc->alloc_total -= sz;
2757 }
2758
2759 if (ioc->events != NULL){
2760 sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS);
2761 kfree(ioc->events);
2762 ioc->events = NULL;
2763 ioc->alloc_total -= sz;
2764 }
2765
2766 mpt_free_fw_memory(ioc);
2767
2768 kfree(ioc->spi_data.nvram);
2769 mpt_inactive_raid_list_free(ioc);
2770 kfree(ioc->raid_data.pIocPg2);
2771 kfree(ioc->raid_data.pIocPg3);
2772 ioc->spi_data.nvram = NULL;
2773 ioc->raid_data.pIocPg3 = NULL;
2774
2775 if (ioc->spi_data.pIocPg4 != NULL) {
2776 sz = ioc->spi_data.IocPg4Sz;
2777 pci_free_consistent(ioc->pcidev, sz,
2778 ioc->spi_data.pIocPg4,
2779 ioc->spi_data.IocPg4_dma);
2780 ioc->spi_data.pIocPg4 = NULL;
2781 ioc->alloc_total -= sz;
2782 }
2783
2784 if (ioc->ReqToChain != NULL) {
2785 kfree(ioc->ReqToChain);
2786 kfree(ioc->RequestNB);
2787 ioc->ReqToChain = NULL;
2788 }
2789
2790 kfree(ioc->ChainToChain);
2791 ioc->ChainToChain = NULL;
2792
2793 if (ioc->HostPageBuffer != NULL) {
2794 if((ret = mpt_host_page_access_control(ioc,
2795 MPI_DB_HPBAC_FREE_BUFFER, NO_SLEEP)) != 0) {
2796 printk(MYIOC_s_ERR_FMT
2797 ": %s: host page buffers free failed (%d)!\n",
2798 ioc->name, __func__, ret);
2799 }
2800 dexitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2801 "HostPageBuffer free @ %p, sz=%d bytes\n",
2802 ioc->name, ioc->HostPageBuffer,
2803 ioc->HostPageBuffer_sz));
2804 dma_free_coherent(&ioc->pcidev->dev, ioc->HostPageBuffer_sz,
2805 ioc->HostPageBuffer, ioc->HostPageBuffer_dma);
2806 ioc->HostPageBuffer = NULL;
2807 ioc->HostPageBuffer_sz = 0;
2808 ioc->alloc_total -= ioc->HostPageBuffer_sz;
2809 }
2810
2811 pci_set_drvdata(ioc->pcidev, NULL);
2812}
2813/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2814/**
2815 * mpt_adapter_dispose - Free all resources associated with an MPT adapter
2816 * @ioc: Pointer to MPT adapter structure
2817 *
2818 * This routine unregisters h/w resources and frees all alloc'd memory
2819 * associated with a MPT adapter structure.
2820 */
2821static void
2822mpt_adapter_dispose(MPT_ADAPTER *ioc)
2823{
2824 int sz_first, sz_last;
2825
2826 if (ioc == NULL)
2827 return;
2828
2829 sz_first = ioc->alloc_total;
2830
2831 mpt_adapter_disable(ioc);
2832
2833 if (ioc->pci_irq != -1) {
2834 free_irq(ioc->pci_irq, ioc);
2835 if (ioc->msi_enable)
2836 pci_disable_msi(ioc->pcidev);
2837 ioc->pci_irq = -1;
2838 }
2839
2840 if (ioc->memmap != NULL) {
2841 iounmap(ioc->memmap);
2842 ioc->memmap = NULL;
2843 }
2844
2845 pci_disable_device(ioc->pcidev);
2846 pci_release_selected_regions(ioc->pcidev, ioc->bars);
2847
2848 /* Zap the adapter lookup ptr! */
2849 list_del(&ioc->list);
2850
2851 sz_last = ioc->alloc_total;
2852 dprintk(ioc, printk(MYIOC_s_INFO_FMT "free'd %d of %d bytes\n",
2853 ioc->name, sz_first-sz_last+(int)sizeof(*ioc), sz_first));
2854
2855 if (ioc->alt_ioc)
2856 ioc->alt_ioc->alt_ioc = NULL;
2857
2858 kfree(ioc);
2859}
2860
2861/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2862/**
2863 * MptDisplayIocCapabilities - Disply IOC's capabilities.
2864 * @ioc: Pointer to MPT adapter structure
2865 */
2866static void
2867MptDisplayIocCapabilities(MPT_ADAPTER *ioc)
2868{
2869 int i = 0;
2870
2871 printk(KERN_INFO "%s: ", ioc->name);
2872 if (ioc->prod_name)
2873 pr_cont("%s: ", ioc->prod_name);
2874 pr_cont("Capabilities={");
2875
2876 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_INITIATOR) {
2877 pr_cont("Initiator");
2878 i++;
2879 }
2880
2881 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) {
2882 pr_cont("%sTarget", i ? "," : "");
2883 i++;
2884 }
2885
2886 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) {
2887 pr_cont("%sLAN", i ? "," : "");
2888 i++;
2889 }
2890
2891#if 0
2892 /*
2893 * This would probably evoke more questions than it's worth
2894 */
2895 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) {
2896 pr_cont("%sLogBusAddr", i ? "," : "");
2897 i++;
2898 }
2899#endif
2900
2901 pr_cont("}\n");
2902}
2903
2904/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2905/**
2906 * MakeIocReady - Get IOC to a READY state, using KickStart if needed.
2907 * @ioc: Pointer to MPT_ADAPTER structure
2908 * @force: Force hard KickStart of IOC
2909 * @sleepFlag: Specifies whether the process can sleep
2910 *
2911 * Returns:
2912 * 1 - DIAG reset and READY
2913 * 0 - READY initially OR soft reset and READY
2914 * -1 - Any failure on KickStart
2915 * -2 - Msg Unit Reset Failed
2916 * -3 - IO Unit Reset Failed
2917 * -4 - IOC owned by a PEER
2918 */
2919static int
2920MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag)
2921{
2922 u32 ioc_state;
2923 int statefault = 0;
2924 int cntdn;
2925 int hard_reset_done = 0;
2926 int r;
2927 int ii;
2928 int whoinit;
2929
2930 /* Get current [raw] IOC state */
2931 ioc_state = mpt_GetIocState(ioc, 0);
2932 dhsprintk(ioc, printk(MYIOC_s_INFO_FMT "MakeIocReady [raw] state=%08x\n", ioc->name, ioc_state));
2933
2934 /*
2935 * Check to see if IOC got left/stuck in doorbell handshake
2936 * grip of death. If so, hard reset the IOC.
2937 */
2938 if (ioc_state & MPI_DOORBELL_ACTIVE) {
2939 statefault = 1;
2940 printk(MYIOC_s_WARN_FMT "Unexpected doorbell active!\n",
2941 ioc->name);
2942 }
2943
2944 /* Is it already READY? */
2945 if (!statefault &&
2946 ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_READY)) {
2947 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
2948 "IOC is in READY state\n", ioc->name));
2949 return 0;
2950 }
2951
2952 /*
2953 * Check to see if IOC is in FAULT state.
2954 */
2955 if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) {
2956 statefault = 2;
2957 printk(MYIOC_s_WARN_FMT "IOC is in FAULT state!!!\n",
2958 ioc->name);
2959 printk(MYIOC_s_WARN_FMT " FAULT code = %04xh\n",
2960 ioc->name, ioc_state & MPI_DOORBELL_DATA_MASK);
2961 }
2962
2963 /*
2964 * Hmmm... Did it get left operational?
2965 */
2966 if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_OPERATIONAL) {
2967 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOC operational unexpected\n",
2968 ioc->name));
2969
2970 /* Check WhoInit.
2971 * If PCI Peer, exit.
2972 * Else, if no fault conditions are present, issue a MessageUnitReset
2973 * Else, fall through to KickStart case
2974 */
2975 whoinit = (ioc_state & MPI_DOORBELL_WHO_INIT_MASK) >> MPI_DOORBELL_WHO_INIT_SHIFT;
2976 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
2977 "whoinit 0x%x statefault %d force %d\n",
2978 ioc->name, whoinit, statefault, force));
2979 if (whoinit == MPI_WHOINIT_PCI_PEER)
2980 return -4;
2981 else {
2982 if ((statefault == 0 ) && (force == 0)) {
2983 if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) == 0)
2984 return 0;
2985 }
2986 statefault = 3;
2987 }
2988 }
2989
2990 hard_reset_done = KickStart(ioc, statefault||force, sleepFlag);
2991 if (hard_reset_done < 0)
2992 return -1;
2993
2994 /*
2995 * Loop here waiting for IOC to come READY.
2996 */
2997 ii = 0;
2998 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 5; /* 5 seconds */
2999
3000 while ((ioc_state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) {
3001 if (ioc_state == MPI_IOC_STATE_OPERATIONAL) {
3002 /*
3003 * BIOS or previous driver load left IOC in OP state.
3004 * Reset messaging FIFOs.
3005 */
3006 if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) != 0) {
3007 printk(MYIOC_s_ERR_FMT "IOC msg unit reset failed!\n", ioc->name);
3008 return -2;
3009 }
3010 } else if (ioc_state == MPI_IOC_STATE_RESET) {
3011 /*
3012 * Something is wrong. Try to get IOC back
3013 * to a known state.
3014 */
3015 if ((r = SendIocReset(ioc, MPI_FUNCTION_IO_UNIT_RESET, sleepFlag)) != 0) {
3016 printk(MYIOC_s_ERR_FMT "IO unit reset failed!\n", ioc->name);
3017 return -3;
3018 }
3019 }
3020
3021 ii++; cntdn--;
3022 if (!cntdn) {
3023 printk(MYIOC_s_ERR_FMT
3024 "Wait IOC_READY state (0x%x) timeout(%d)!\n",
3025 ioc->name, ioc_state, (int)((ii+5)/HZ));
3026 return -ETIME;
3027 }
3028
3029 if (sleepFlag == CAN_SLEEP) {
3030 msleep(1);
3031 } else {
3032 mdelay (1); /* 1 msec delay */
3033 }
3034
3035 }
3036
3037 if (statefault < 3) {
3038 printk(MYIOC_s_INFO_FMT "Recovered from %s\n", ioc->name,
3039 statefault == 1 ? "stuck handshake" : "IOC FAULT");
3040 }
3041
3042 return hard_reset_done;
3043}
3044
3045/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3046/**
3047 * mpt_GetIocState - Get the current state of a MPT adapter.
3048 * @ioc: Pointer to MPT_ADAPTER structure
3049 * @cooked: Request raw or cooked IOC state
3050 *
3051 * Returns all IOC Doorbell register bits if cooked==0, else just the
3052 * Doorbell bits in MPI_IOC_STATE_MASK.
3053 */
3054u32
3055mpt_GetIocState(MPT_ADAPTER *ioc, int cooked)
3056{
3057 u32 s, sc;
3058
3059 /* Get! */
3060 s = CHIPREG_READ32(&ioc->chip->Doorbell);
3061 sc = s & MPI_IOC_STATE_MASK;
3062
3063 /* Save! */
3064 ioc->last_state = sc;
3065
3066 return cooked ? sc : s;
3067}
3068
3069/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3070/**
3071 * GetIocFacts - Send IOCFacts request to MPT adapter.
3072 * @ioc: Pointer to MPT_ADAPTER structure
3073 * @sleepFlag: Specifies whether the process can sleep
3074 * @reason: If recovery, only update facts.
3075 *
3076 * Returns 0 for success, non-zero for failure.
3077 */
3078static int
3079GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason)
3080{
3081 IOCFacts_t get_facts;
3082 IOCFactsReply_t *facts;
3083 int r;
3084 int req_sz;
3085 int reply_sz;
3086 int sz;
3087 u32 vv;
3088 u8 shiftFactor=1;
3089
3090 /* IOC *must* NOT be in RESET state! */
3091 if (ioc->last_state == MPI_IOC_STATE_RESET) {
3092 printk(KERN_ERR MYNAM
3093 ": ERROR - Can't get IOCFacts, %s NOT READY! (%08x)\n",
3094 ioc->name, ioc->last_state);
3095 return -44;
3096 }
3097
3098 facts = &ioc->facts;
3099
3100 /* Destination (reply area)... */
3101 reply_sz = sizeof(*facts);
3102 memset(facts, 0, reply_sz);
3103
3104 /* Request area (get_facts on the stack right now!) */
3105 req_sz = sizeof(get_facts);
3106 memset(&get_facts, 0, req_sz);
3107
3108 get_facts.Function = MPI_FUNCTION_IOC_FACTS;
3109 /* Assert: All other get_facts fields are zero! */
3110
3111 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3112 "Sending get IocFacts request req_sz=%d reply_sz=%d\n",
3113 ioc->name, req_sz, reply_sz));
3114
3115 /* No non-zero fields in the get_facts request are greater than
3116 * 1 byte in size, so we can just fire it off as is.
3117 */
3118 r = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_facts,
3119 reply_sz, (u16*)facts, 5 /*seconds*/, sleepFlag);
3120 if (r != 0)
3121 return r;
3122
3123 /*
3124 * Now byte swap (GRRR) the necessary fields before any further
3125 * inspection of reply contents.
3126 *
3127 * But need to do some sanity checks on MsgLength (byte) field
3128 * to make sure we don't zero IOC's req_sz!
3129 */
3130 /* Did we get a valid reply? */
3131 if (facts->MsgLength > offsetof(IOCFactsReply_t, RequestFrameSize)/sizeof(u32)) {
3132 if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
3133 /*
3134 * If not been here, done that, save off first WhoInit value
3135 */
3136 if (ioc->FirstWhoInit == WHOINIT_UNKNOWN)
3137 ioc->FirstWhoInit = facts->WhoInit;
3138 }
3139
3140 facts->MsgVersion = le16_to_cpu(facts->MsgVersion);
3141 facts->MsgContext = le32_to_cpu(facts->MsgContext);
3142 facts->IOCExceptions = le16_to_cpu(facts->IOCExceptions);
3143 facts->IOCStatus = le16_to_cpu(facts->IOCStatus);
3144 facts->IOCLogInfo = le32_to_cpu(facts->IOCLogInfo);
3145 /* CHECKME! IOCStatus, IOCLogInfo */
3146
3147 facts->ReplyQueueDepth = le16_to_cpu(facts->ReplyQueueDepth);
3148 facts->RequestFrameSize = le16_to_cpu(facts->RequestFrameSize);
3149
3150 /*
3151 * FC f/w version changed between 1.1 and 1.2
3152 * Old: u16{Major(4),Minor(4),SubMinor(8)}
3153 * New: u32{Major(8),Minor(8),Unit(8),Dev(8)}
3154 */
3155 if (facts->MsgVersion < MPI_VERSION_01_02) {
3156 /*
3157 * Handle old FC f/w style, convert to new...
3158 */
3159 u16 oldv = le16_to_cpu(facts->Reserved_0101_FWVersion);
3160 facts->FWVersion.Word =
3161 ((oldv<<12) & 0xFF000000) |
3162 ((oldv<<8) & 0x000FFF00);
3163 } else
3164 facts->FWVersion.Word = le32_to_cpu(facts->FWVersion.Word);
3165
3166 facts->ProductID = le16_to_cpu(facts->ProductID);
3167
3168 if ((ioc->facts.ProductID & MPI_FW_HEADER_PID_PROD_MASK)
3169 > MPI_FW_HEADER_PID_PROD_TARGET_SCSI)
3170 ioc->ir_firmware = 1;
3171
3172 facts->CurrentHostMfaHighAddr =
3173 le32_to_cpu(facts->CurrentHostMfaHighAddr);
3174 facts->GlobalCredits = le16_to_cpu(facts->GlobalCredits);
3175 facts->CurrentSenseBufferHighAddr =
3176 le32_to_cpu(facts->CurrentSenseBufferHighAddr);
3177 facts->CurReplyFrameSize =
3178 le16_to_cpu(facts->CurReplyFrameSize);
3179 facts->IOCCapabilities = le32_to_cpu(facts->IOCCapabilities);
3180
3181 /*
3182 * Handle NEW (!) IOCFactsReply fields in MPI-1.01.xx
3183 * Older MPI-1.00.xx struct had 13 dwords, and enlarged
3184 * to 14 in MPI-1.01.0x.
3185 */
3186 if (facts->MsgLength >= (offsetof(IOCFactsReply_t,FWImageSize) + 7)/4 &&
3187 facts->MsgVersion > MPI_VERSION_01_00) {
3188 facts->FWImageSize = le32_to_cpu(facts->FWImageSize);
3189 }
3190
3191 facts->FWImageSize = ALIGN(facts->FWImageSize, 4);
3192
3193 if (!facts->RequestFrameSize) {
3194 /* Something is wrong! */
3195 printk(MYIOC_s_ERR_FMT "IOC reported invalid 0 request size!\n",
3196 ioc->name);
3197 return -55;
3198 }
3199
3200 r = sz = facts->BlockSize;
3201 vv = ((63 / (sz * 4)) + 1) & 0x03;
3202 ioc->NB_for_64_byte_frame = vv;
3203 while ( sz )
3204 {
3205 shiftFactor++;
3206 sz = sz >> 1;
3207 }
3208 ioc->NBShiftFactor = shiftFactor;
3209 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3210 "NB_for_64_byte_frame=%x NBShiftFactor=%x BlockSize=%x\n",
3211 ioc->name, vv, shiftFactor, r));
3212
3213 if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
3214 /*
3215 * Set values for this IOC's request & reply frame sizes,
3216 * and request & reply queue depths...
3217 */
3218 ioc->req_sz = min(MPT_DEFAULT_FRAME_SIZE, facts->RequestFrameSize * 4);
3219 ioc->req_depth = min_t(int, MPT_MAX_REQ_DEPTH, facts->GlobalCredits);
3220 ioc->reply_sz = MPT_REPLY_FRAME_SIZE;
3221 ioc->reply_depth = min_t(int, MPT_DEFAULT_REPLY_DEPTH, facts->ReplyQueueDepth);
3222
3223 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "reply_sz=%3d, reply_depth=%4d\n",
3224 ioc->name, ioc->reply_sz, ioc->reply_depth));
3225 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "req_sz =%3d, req_depth =%4d\n",
3226 ioc->name, ioc->req_sz, ioc->req_depth));
3227
3228 /* Get port facts! */
3229 if ( (r = GetPortFacts(ioc, 0, sleepFlag)) != 0 )
3230 return r;
3231 }
3232 } else {
3233 printk(MYIOC_s_ERR_FMT
3234 "Invalid IOC facts reply, msgLength=%d offsetof=%zd!\n",
3235 ioc->name, facts->MsgLength, (offsetof(IOCFactsReply_t,
3236 RequestFrameSize)/sizeof(u32)));
3237 return -66;
3238 }
3239
3240 return 0;
3241}
3242
3243/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3244/**
3245 * GetPortFacts - Send PortFacts request to MPT adapter.
3246 * @ioc: Pointer to MPT_ADAPTER structure
3247 * @portnum: Port number
3248 * @sleepFlag: Specifies whether the process can sleep
3249 *
3250 * Returns 0 for success, non-zero for failure.
3251 */
3252static int
3253GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag)
3254{
3255 PortFacts_t get_pfacts;
3256 PortFactsReply_t *pfacts;
3257 int ii;
3258 int req_sz;
3259 int reply_sz;
3260 int max_id;
3261
3262 /* IOC *must* NOT be in RESET state! */
3263 if (ioc->last_state == MPI_IOC_STATE_RESET) {
3264 printk(MYIOC_s_ERR_FMT "Can't get PortFacts NOT READY! (%08x)\n",
3265 ioc->name, ioc->last_state );
3266 return -4;
3267 }
3268
3269 pfacts = &ioc->pfacts[portnum];
3270
3271 /* Destination (reply area)... */
3272 reply_sz = sizeof(*pfacts);
3273 memset(pfacts, 0, reply_sz);
3274
3275 /* Request area (get_pfacts on the stack right now!) */
3276 req_sz = sizeof(get_pfacts);
3277 memset(&get_pfacts, 0, req_sz);
3278
3279 get_pfacts.Function = MPI_FUNCTION_PORT_FACTS;
3280 get_pfacts.PortNumber = portnum;
3281 /* Assert: All other get_pfacts fields are zero! */
3282
3283 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending get PortFacts(%d) request\n",
3284 ioc->name, portnum));
3285
3286 /* No non-zero fields in the get_pfacts request are greater than
3287 * 1 byte in size, so we can just fire it off as is.
3288 */
3289 ii = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_pfacts,
3290 reply_sz, (u16*)pfacts, 5 /*seconds*/, sleepFlag);
3291 if (ii != 0)
3292 return ii;
3293
3294 /* Did we get a valid reply? */
3295
3296 /* Now byte swap the necessary fields in the response. */
3297 pfacts->MsgContext = le32_to_cpu(pfacts->MsgContext);
3298 pfacts->IOCStatus = le16_to_cpu(pfacts->IOCStatus);
3299 pfacts->IOCLogInfo = le32_to_cpu(pfacts->IOCLogInfo);
3300 pfacts->MaxDevices = le16_to_cpu(pfacts->MaxDevices);
3301 pfacts->PortSCSIID = le16_to_cpu(pfacts->PortSCSIID);
3302 pfacts->ProtocolFlags = le16_to_cpu(pfacts->ProtocolFlags);
3303 pfacts->MaxPostedCmdBuffers = le16_to_cpu(pfacts->MaxPostedCmdBuffers);
3304 pfacts->MaxPersistentIDs = le16_to_cpu(pfacts->MaxPersistentIDs);
3305 pfacts->MaxLanBuckets = le16_to_cpu(pfacts->MaxLanBuckets);
3306
3307 max_id = (ioc->bus_type == SAS) ? pfacts->PortSCSIID :
3308 pfacts->MaxDevices;
3309 ioc->devices_per_bus = (max_id > 255) ? 256 : max_id;
3310 ioc->number_of_buses = (ioc->devices_per_bus < 256) ? 1 : max_id/256;
3311
3312 /*
3313 * Place all the devices on channels
3314 *
3315 * (for debuging)
3316 */
3317 if (mpt_channel_mapping) {
3318 ioc->devices_per_bus = 1;
3319 ioc->number_of_buses = (max_id > 255) ? 255 : max_id;
3320 }
3321
3322 return 0;
3323}
3324
3325/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3326/**
3327 * SendIocInit - Send IOCInit request to MPT adapter.
3328 * @ioc: Pointer to MPT_ADAPTER structure
3329 * @sleepFlag: Specifies whether the process can sleep
3330 *
3331 * Send IOCInit followed by PortEnable to bring IOC to OPERATIONAL state.
3332 *
3333 * Returns 0 for success, non-zero for failure.
3334 */
3335static int
3336SendIocInit(MPT_ADAPTER *ioc, int sleepFlag)
3337{
3338 IOCInit_t ioc_init;
3339 MPIDefaultReply_t init_reply;
3340 u32 state;
3341 int r;
3342 int count;
3343 int cntdn;
3344
3345 memset(&ioc_init, 0, sizeof(ioc_init));
3346 memset(&init_reply, 0, sizeof(init_reply));
3347
3348 ioc_init.WhoInit = MPI_WHOINIT_HOST_DRIVER;
3349 ioc_init.Function = MPI_FUNCTION_IOC_INIT;
3350
3351 /* If we are in a recovery mode and we uploaded the FW image,
3352 * then this pointer is not NULL. Skip the upload a second time.
3353 * Set this flag if cached_fw set for either IOC.
3354 */
3355 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)
3356 ioc->upload_fw = 1;
3357 else
3358 ioc->upload_fw = 0;
3359 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "upload_fw %d facts.Flags=%x\n",
3360 ioc->name, ioc->upload_fw, ioc->facts.Flags));
3361
3362 ioc_init.MaxDevices = (U8)ioc->devices_per_bus;
3363 ioc_init.MaxBuses = (U8)ioc->number_of_buses;
3364
3365 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "facts.MsgVersion=%x\n",
3366 ioc->name, ioc->facts.MsgVersion));
3367 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05) {
3368 // set MsgVersion and HeaderVersion host driver was built with
3369 ioc_init.MsgVersion = cpu_to_le16(MPI_VERSION);
3370 ioc_init.HeaderVersion = cpu_to_le16(MPI_HEADER_VERSION);
3371
3372 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_HOST_PAGE_BUFFER_PERSISTENT) {
3373 ioc_init.HostPageBufferSGE = ioc->facts.HostPageBufferSGE;
3374 } else if(mpt_host_page_alloc(ioc, &ioc_init))
3375 return -99;
3376 }
3377 ioc_init.ReplyFrameSize = cpu_to_le16(ioc->reply_sz); /* in BYTES */
3378
3379 if (ioc->sg_addr_size == sizeof(u64)) {
3380 /* Save the upper 32-bits of the request
3381 * (reply) and sense buffers.
3382 */
3383 ioc_init.HostMfaHighAddr = cpu_to_le32((u32)((u64)ioc->alloc_dma >> 32));
3384 ioc_init.SenseBufferHighAddr = cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32));
3385 } else {
3386 /* Force 32-bit addressing */
3387 ioc_init.HostMfaHighAddr = cpu_to_le32(0);
3388 ioc_init.SenseBufferHighAddr = cpu_to_le32(0);
3389 }
3390
3391 ioc->facts.CurrentHostMfaHighAddr = ioc_init.HostMfaHighAddr;
3392 ioc->facts.CurrentSenseBufferHighAddr = ioc_init.SenseBufferHighAddr;
3393 ioc->facts.MaxDevices = ioc_init.MaxDevices;
3394 ioc->facts.MaxBuses = ioc_init.MaxBuses;
3395
3396 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOCInit (req @ %p)\n",
3397 ioc->name, &ioc_init));
3398
3399 r = mpt_handshake_req_reply_wait(ioc, sizeof(IOCInit_t), (u32*)&ioc_init,
3400 sizeof(MPIDefaultReply_t), (u16*)&init_reply, 10 /*seconds*/, sleepFlag);
3401 if (r != 0) {
3402 printk(MYIOC_s_ERR_FMT "Sending IOCInit failed(%d)!\n",ioc->name, r);
3403 return r;
3404 }
3405
3406 /* No need to byte swap the multibyte fields in the reply
3407 * since we don't even look at its contents.
3408 */
3409
3410 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending PortEnable (req @ %p)\n",
3411 ioc->name, &ioc_init));
3412
3413 if ((r = SendPortEnable(ioc, 0, sleepFlag)) != 0) {
3414 printk(MYIOC_s_ERR_FMT "Sending PortEnable failed(%d)!\n",ioc->name, r);
3415 return r;
3416 }
3417
3418 /* YIKES! SUPER IMPORTANT!!!
3419 * Poll IocState until _OPERATIONAL while IOC is doing
3420 * LoopInit and TargetDiscovery!
3421 */
3422 count = 0;
3423 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 60; /* 60 seconds */
3424 state = mpt_GetIocState(ioc, 1);
3425 while (state != MPI_IOC_STATE_OPERATIONAL && --cntdn) {
3426 if (sleepFlag == CAN_SLEEP) {
3427 msleep(1);
3428 } else {
3429 mdelay(1);
3430 }
3431
3432 if (!cntdn) {
3433 printk(MYIOC_s_ERR_FMT "Wait IOC_OP state timeout(%d)!\n",
3434 ioc->name, (int)((count+5)/HZ));
3435 return -9;
3436 }
3437
3438 state = mpt_GetIocState(ioc, 1);
3439 count++;
3440 }
3441 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wait IOC_OPERATIONAL state (cnt=%d)\n",
3442 ioc->name, count));
3443
3444 ioc->aen_event_read_flag=0;
3445 return r;
3446}
3447
3448/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3449/**
3450 * SendPortEnable - Send PortEnable request to MPT adapter port.
3451 * @ioc: Pointer to MPT_ADAPTER structure
3452 * @portnum: Port number to enable
3453 * @sleepFlag: Specifies whether the process can sleep
3454 *
3455 * Send PortEnable to bring IOC to OPERATIONAL state.
3456 *
3457 * Returns 0 for success, non-zero for failure.
3458 */
3459static int
3460SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag)
3461{
3462 PortEnable_t port_enable;
3463 MPIDefaultReply_t reply_buf;
3464 int rc;
3465 int req_sz;
3466 int reply_sz;
3467
3468 /* Destination... */
3469 reply_sz = sizeof(MPIDefaultReply_t);
3470 memset(&reply_buf, 0, reply_sz);
3471
3472 req_sz = sizeof(PortEnable_t);
3473 memset(&port_enable, 0, req_sz);
3474
3475 port_enable.Function = MPI_FUNCTION_PORT_ENABLE;
3476 port_enable.PortNumber = portnum;
3477/* port_enable.ChainOffset = 0; */
3478/* port_enable.MsgFlags = 0; */
3479/* port_enable.MsgContext = 0; */
3480
3481 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Port(%d)Enable (req @ %p)\n",
3482 ioc->name, portnum, &port_enable));
3483
3484 /* RAID FW may take a long time to enable
3485 */
3486 if (ioc->ir_firmware || ioc->bus_type == SAS) {
3487 rc = mpt_handshake_req_reply_wait(ioc, req_sz,
3488 (u32*)&port_enable, reply_sz, (u16*)&reply_buf,
3489 300 /*seconds*/, sleepFlag);
3490 } else {
3491 rc = mpt_handshake_req_reply_wait(ioc, req_sz,
3492 (u32*)&port_enable, reply_sz, (u16*)&reply_buf,
3493 30 /*seconds*/, sleepFlag);
3494 }
3495 return rc;
3496}
3497
3498/**
3499 * mpt_alloc_fw_memory - allocate firmware memory
3500 * @ioc: Pointer to MPT_ADAPTER structure
3501 * @size: total FW bytes
3502 *
3503 * If memory has already been allocated, the same (cached) value
3504 * is returned.
3505 *
3506 * Return 0 if successful, or non-zero for failure
3507 **/
3508int
3509mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size)
3510{
3511 int rc;
3512
3513 if (ioc->cached_fw) {
3514 rc = 0; /* use already allocated memory */
3515 goto out;
3516 }
3517 else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) {
3518 ioc->cached_fw = ioc->alt_ioc->cached_fw; /* use alt_ioc's memory */
3519 ioc->cached_fw_dma = ioc->alt_ioc->cached_fw_dma;
3520 rc = 0;
3521 goto out;
3522 }
3523 ioc->cached_fw = pci_alloc_consistent(ioc->pcidev, size, &ioc->cached_fw_dma);
3524 if (!ioc->cached_fw) {
3525 printk(MYIOC_s_ERR_FMT "Unable to allocate memory for the cached firmware image!\n",
3526 ioc->name);
3527 rc = -1;
3528 } else {
3529 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FW Image @ %p[%p], sz=%d[%x] bytes\n",
3530 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, size, size));
3531 ioc->alloc_total += size;
3532 rc = 0;
3533 }
3534 out:
3535 return rc;
3536}
3537
3538/**
3539 * mpt_free_fw_memory - free firmware memory
3540 * @ioc: Pointer to MPT_ADAPTER structure
3541 *
3542 * If alt_img is NULL, delete from ioc structure.
3543 * Else, delete a secondary image in same format.
3544 **/
3545void
3546mpt_free_fw_memory(MPT_ADAPTER *ioc)
3547{
3548 int sz;
3549
3550 if (!ioc->cached_fw)
3551 return;
3552
3553 sz = ioc->facts.FWImageSize;
3554 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "free_fw_memory: FW Image @ %p[%p], sz=%d[%x] bytes\n",
3555 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz));
3556 pci_free_consistent(ioc->pcidev, sz, ioc->cached_fw, ioc->cached_fw_dma);
3557 ioc->alloc_total -= sz;
3558 ioc->cached_fw = NULL;
3559}
3560
3561/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3562/**
3563 * mpt_do_upload - Construct and Send FWUpload request to MPT adapter port.
3564 * @ioc: Pointer to MPT_ADAPTER structure
3565 * @sleepFlag: Specifies whether the process can sleep
3566 *
3567 * Returns 0 for success, >0 for handshake failure
3568 * <0 for fw upload failure.
3569 *
3570 * Remark: If bound IOC and a successful FWUpload was performed
3571 * on the bound IOC, the second image is discarded
3572 * and memory is free'd. Both channels must upload to prevent
3573 * IOC from running in degraded mode.
3574 */
3575static int
3576mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag)
3577{
3578 u8 reply[sizeof(FWUploadReply_t)];
3579 FWUpload_t *prequest;
3580 FWUploadReply_t *preply;
3581 FWUploadTCSGE_t *ptcsge;
3582 u32 flagsLength;
3583 int ii, sz, reply_sz;
3584 int cmdStatus;
3585 int request_size;
3586 /* If the image size is 0, we are done.
3587 */
3588 if ((sz = ioc->facts.FWImageSize) == 0)
3589 return 0;
3590
3591 if (mpt_alloc_fw_memory(ioc, ioc->facts.FWImageSize) != 0)
3592 return -ENOMEM;
3593
3594 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": FW Image @ %p[%p], sz=%d[%x] bytes\n",
3595 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz));
3596
3597 prequest = (sleepFlag == NO_SLEEP) ? kzalloc(ioc->req_sz, GFP_ATOMIC) :
3598 kzalloc(ioc->req_sz, GFP_KERNEL);
3599 if (!prequest) {
3600 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "fw upload failed "
3601 "while allocating memory \n", ioc->name));
3602 mpt_free_fw_memory(ioc);
3603 return -ENOMEM;
3604 }
3605
3606 preply = (FWUploadReply_t *)&reply;
3607
3608 reply_sz = sizeof(reply);
3609 memset(preply, 0, reply_sz);
3610
3611 prequest->ImageType = MPI_FW_UPLOAD_ITYPE_FW_IOC_MEM;
3612 prequest->Function = MPI_FUNCTION_FW_UPLOAD;
3613
3614 ptcsge = (FWUploadTCSGE_t *) &prequest->SGL;
3615 ptcsge->DetailsLength = 12;
3616 ptcsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT;
3617 ptcsge->ImageSize = cpu_to_le32(sz);
3618 ptcsge++;
3619
3620 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ | sz;
3621 ioc->add_sge((char *)ptcsge, flagsLength, ioc->cached_fw_dma);
3622 request_size = offsetof(FWUpload_t, SGL) + sizeof(FWUploadTCSGE_t) +
3623 ioc->SGE_size;
3624 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending FW Upload "
3625 " (req @ %p) fw_size=%d mf_request_size=%d\n", ioc->name, prequest,
3626 ioc->facts.FWImageSize, request_size));
3627 DBG_DUMP_FW_REQUEST_FRAME(ioc, (u32 *)prequest);
3628
3629 ii = mpt_handshake_req_reply_wait(ioc, request_size, (u32 *)prequest,
3630 reply_sz, (u16 *)preply, 65 /*seconds*/, sleepFlag);
3631
3632 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FW Upload completed "
3633 "rc=%x \n", ioc->name, ii));
3634
3635 cmdStatus = -EFAULT;
3636 if (ii == 0) {
3637 /* Handshake transfer was complete and successful.
3638 * Check the Reply Frame.
3639 */
3640 int status;
3641 status = le16_to_cpu(preply->IOCStatus) &
3642 MPI_IOCSTATUS_MASK;
3643 if (status == MPI_IOCSTATUS_SUCCESS &&
3644 ioc->facts.FWImageSize ==
3645 le32_to_cpu(preply->ActualImageSize))
3646 cmdStatus = 0;
3647 }
3648 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": do_upload cmdStatus=%d \n",
3649 ioc->name, cmdStatus));
3650
3651
3652 if (cmdStatus) {
3653 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "fw upload failed, "
3654 "freeing image \n", ioc->name));
3655 mpt_free_fw_memory(ioc);
3656 }
3657 kfree(prequest);
3658
3659 return cmdStatus;
3660}
3661
3662/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3663/**
3664 * mpt_downloadboot - DownloadBoot code
3665 * @ioc: Pointer to MPT_ADAPTER structure
3666 * @pFwHeader: Pointer to firmware header info
3667 * @sleepFlag: Specifies whether the process can sleep
3668 *
3669 * FwDownloadBoot requires Programmed IO access.
3670 *
3671 * Returns 0 for success
3672 * -1 FW Image size is 0
3673 * -2 No valid cached_fw Pointer
3674 * <0 for fw upload failure.
3675 */
3676static int
3677mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag)
3678{
3679 MpiExtImageHeader_t *pExtImage;
3680 u32 fwSize;
3681 u32 diag0val;
3682 int count;
3683 u32 *ptrFw;
3684 u32 diagRwData;
3685 u32 nextImage;
3686 u32 load_addr;
3687 u32 ioc_state=0;
3688
3689 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot: fw size 0x%x (%d), FW Ptr %p\n",
3690 ioc->name, pFwHeader->ImageSize, pFwHeader->ImageSize, pFwHeader));
3691
3692 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3693 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
3694 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
3695 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
3696 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
3697 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
3698
3699 CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM));
3700
3701 /* wait 1 msec */
3702 if (sleepFlag == CAN_SLEEP) {
3703 msleep(1);
3704 } else {
3705 mdelay (1);
3706 }
3707
3708 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3709 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER);
3710
3711 for (count = 0; count < 30; count ++) {
3712 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3713 if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) {
3714 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RESET_ADAPTER cleared, count=%d\n",
3715 ioc->name, count));
3716 break;
3717 }
3718 /* wait .1 sec */
3719 if (sleepFlag == CAN_SLEEP) {
3720 msleep (100);
3721 } else {
3722 mdelay (100);
3723 }
3724 }
3725
3726 if ( count == 30 ) {
3727 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot failed! "
3728 "Unable to get MPI_DIAG_DRWE mode, diag0val=%x\n",
3729 ioc->name, diag0val));
3730 return -3;
3731 }
3732
3733 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3734 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
3735 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
3736 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
3737 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
3738 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
3739
3740 /* Set the DiagRwEn and Disable ARM bits */
3741 CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_RW_ENABLE | MPI_DIAG_DISABLE_ARM));
3742
3743 fwSize = (pFwHeader->ImageSize + 3)/4;
3744 ptrFw = (u32 *) pFwHeader;
3745
3746 /* Write the LoadStartAddress to the DiagRw Address Register
3747 * using Programmed IO
3748 */
3749 if (ioc->errata_flag_1064)
3750 pci_enable_io_access(ioc->pcidev);
3751
3752 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->LoadStartAddress);
3753 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "LoadStart addr written 0x%x \n",
3754 ioc->name, pFwHeader->LoadStartAddress));
3755
3756 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write FW Image: 0x%x bytes @ %p\n",
3757 ioc->name, fwSize*4, ptrFw));
3758 while (fwSize--) {
3759 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++);
3760 }
3761
3762 nextImage = pFwHeader->NextImageHeaderOffset;
3763 while (nextImage) {
3764 pExtImage = (MpiExtImageHeader_t *) ((char *)pFwHeader + nextImage);
3765
3766 load_addr = pExtImage->LoadStartAddress;
3767
3768 fwSize = (pExtImage->ImageSize + 3) >> 2;
3769 ptrFw = (u32 *)pExtImage;
3770
3771 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write Ext Image: 0x%x (%d) bytes @ %p load_addr=%x\n",
3772 ioc->name, fwSize*4, fwSize*4, ptrFw, load_addr));
3773 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, load_addr);
3774
3775 while (fwSize--) {
3776 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++);
3777 }
3778 nextImage = pExtImage->NextImageHeaderOffset;
3779 }
3780
3781 /* Write the IopResetVectorRegAddr */
3782 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Addr=%x! \n", ioc->name, pFwHeader->IopResetRegAddr));
3783 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->IopResetRegAddr);
3784
3785 /* Write the IopResetVectorValue */
3786 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Value=%x! \n", ioc->name, pFwHeader->IopResetVectorValue));
3787 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, pFwHeader->IopResetVectorValue);
3788
3789 /* Clear the internal flash bad bit - autoincrementing register,
3790 * so must do two writes.
3791 */
3792 if (ioc->bus_type == SPI) {
3793 /*
3794 * 1030 and 1035 H/W errata, workaround to access
3795 * the ClearFlashBadSignatureBit
3796 */
3797 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000);
3798 diagRwData = CHIPREG_PIO_READ32(&ioc->pio_chip->DiagRwData);
3799 diagRwData |= 0x40000000;
3800 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000);
3801 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, diagRwData);
3802
3803 } else /* if((ioc->bus_type == SAS) || (ioc->bus_type == FC)) */ {
3804 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3805 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val |
3806 MPI_DIAG_CLEAR_FLASH_BAD_SIG);
3807
3808 /* wait 1 msec */
3809 if (sleepFlag == CAN_SLEEP) {
3810 msleep (1);
3811 } else {
3812 mdelay (1);
3813 }
3814 }
3815
3816 if (ioc->errata_flag_1064)
3817 pci_disable_io_access(ioc->pcidev);
3818
3819 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3820 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot diag0val=%x, "
3821 "turning off PREVENT_IOC_BOOT, DISABLE_ARM, RW_ENABLE\n",
3822 ioc->name, diag0val));
3823 diag0val &= ~(MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM | MPI_DIAG_RW_ENABLE);
3824 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot now diag0val=%x\n",
3825 ioc->name, diag0val));
3826 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val);
3827
3828 /* Write 0xFF to reset the sequencer */
3829 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3830
3831 if (ioc->bus_type == SAS) {
3832 ioc_state = mpt_GetIocState(ioc, 0);
3833 if ( (GetIocFacts(ioc, sleepFlag,
3834 MPT_HOSTEVENT_IOC_BRINGUP)) != 0 ) {
3835 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "GetIocFacts failed: IocState=%x\n",
3836 ioc->name, ioc_state));
3837 return -EFAULT;
3838 }
3839 }
3840
3841 for (count=0; count<HZ*20; count++) {
3842 if ((ioc_state = mpt_GetIocState(ioc, 0)) & MPI_IOC_STATE_READY) {
3843 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3844 "downloadboot successful! (count=%d) IocState=%x\n",
3845 ioc->name, count, ioc_state));
3846 if (ioc->bus_type == SAS) {
3847 return 0;
3848 }
3849 if ((SendIocInit(ioc, sleepFlag)) != 0) {
3850 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3851 "downloadboot: SendIocInit failed\n",
3852 ioc->name));
3853 return -EFAULT;
3854 }
3855 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3856 "downloadboot: SendIocInit successful\n",
3857 ioc->name));
3858 return 0;
3859 }
3860 if (sleepFlag == CAN_SLEEP) {
3861 msleep (10);
3862 } else {
3863 mdelay (10);
3864 }
3865 }
3866 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3867 "downloadboot failed! IocState=%x\n",ioc->name, ioc_state));
3868 return -EFAULT;
3869}
3870
3871/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3872/**
3873 * KickStart - Perform hard reset of MPT adapter.
3874 * @ioc: Pointer to MPT_ADAPTER structure
3875 * @force: Force hard reset
3876 * @sleepFlag: Specifies whether the process can sleep
3877 *
3878 * This routine places MPT adapter in diagnostic mode via the
3879 * WriteSequence register, and then performs a hard reset of adapter
3880 * via the Diagnostic register.
3881 *
3882 * Inputs: sleepflag - CAN_SLEEP (non-interrupt thread)
3883 * or NO_SLEEP (interrupt thread, use mdelay)
3884 * force - 1 if doorbell active, board fault state
3885 * board operational, IOC_RECOVERY or
3886 * IOC_BRINGUP and there is an alt_ioc.
3887 * 0 else
3888 *
3889 * Returns:
3890 * 1 - hard reset, READY
3891 * 0 - no reset due to History bit, READY
3892 * -1 - no reset due to History bit but not READY
3893 * OR reset but failed to come READY
3894 * -2 - no reset, could not enter DIAG mode
3895 * -3 - reset but bad FW bit
3896 */
3897static int
3898KickStart(MPT_ADAPTER *ioc, int force, int sleepFlag)
3899{
3900 int hard_reset_done = 0;
3901 u32 ioc_state=0;
3902 int cnt,cntdn;
3903
3904 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStarting!\n", ioc->name));
3905 if (ioc->bus_type == SPI) {
3906 /* Always issue a Msg Unit Reset first. This will clear some
3907 * SCSI bus hang conditions.
3908 */
3909 SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag);
3910
3911 if (sleepFlag == CAN_SLEEP) {
3912 msleep (1000);
3913 } else {
3914 mdelay (1000);
3915 }
3916 }
3917
3918 hard_reset_done = mpt_diag_reset(ioc, force, sleepFlag);
3919 if (hard_reset_done < 0)
3920 return hard_reset_done;
3921
3922 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset successful!\n",
3923 ioc->name));
3924
3925 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 2; /* 2 seconds */
3926 for (cnt=0; cnt<cntdn; cnt++) {
3927 ioc_state = mpt_GetIocState(ioc, 1);
3928 if ((ioc_state == MPI_IOC_STATE_READY) || (ioc_state == MPI_IOC_STATE_OPERATIONAL)) {
3929 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStart successful! (cnt=%d)\n",
3930 ioc->name, cnt));
3931 return hard_reset_done;
3932 }
3933 if (sleepFlag == CAN_SLEEP) {
3934 msleep (10);
3935 } else {
3936 mdelay (10);
3937 }
3938 }
3939
3940 dinitprintk(ioc, printk(MYIOC_s_ERR_FMT "Failed to come READY after reset! IocState=%x\n",
3941 ioc->name, mpt_GetIocState(ioc, 0)));
3942 return -1;
3943}
3944
3945/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3946/**
3947 * mpt_diag_reset - Perform hard reset of the adapter.
3948 * @ioc: Pointer to MPT_ADAPTER structure
3949 * @ignore: Set if to honor and clear to ignore
3950 * the reset history bit
3951 * @sleepFlag: CAN_SLEEP if called in a non-interrupt thread,
3952 * else set to NO_SLEEP (use mdelay instead)
3953 *
3954 * This routine places the adapter in diagnostic mode via the
3955 * WriteSequence register and then performs a hard reset of adapter
3956 * via the Diagnostic register. Adapter should be in ready state
3957 * upon successful completion.
3958 *
3959 * Returns: 1 hard reset successful
3960 * 0 no reset performed because reset history bit set
3961 * -2 enabling diagnostic mode failed
3962 * -3 diagnostic reset failed
3963 */
3964static int
3965mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
3966{
3967 u32 diag0val;
3968 u32 doorbell;
3969 int hard_reset_done = 0;
3970 int count = 0;
3971 u32 diag1val = 0;
3972 MpiFwHeader_t *cached_fw; /* Pointer to FW */
3973 u8 cb_idx;
3974
3975 /* Clear any existing interrupts */
3976 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
3977
3978 if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) {
3979
3980 if (!ignore)
3981 return 0;
3982
3983 drsprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: Doorbell=%p; 1078 reset "
3984 "address=%p\n", ioc->name, __func__,
3985 &ioc->chip->Doorbell, &ioc->chip->Reset_1078));
3986 CHIPREG_WRITE32(&ioc->chip->Reset_1078, 0x07);
3987 if (sleepFlag == CAN_SLEEP)
3988 msleep(1);
3989 else
3990 mdelay(1);
3991
3992 /*
3993 * Call each currently registered protocol IOC reset handler
3994 * with pre-reset indication.
3995 * NOTE: If we're doing _IOC_BRINGUP, there can be no
3996 * MptResetHandlers[] registered yet.
3997 */
3998 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
3999 if (MptResetHandlers[cb_idx])
4000 (*(MptResetHandlers[cb_idx]))(ioc,
4001 MPT_IOC_PRE_RESET);
4002 }
4003
4004 for (count = 0; count < 60; count ++) {
4005 doorbell = CHIPREG_READ32(&ioc->chip->Doorbell);
4006 doorbell &= MPI_IOC_STATE_MASK;
4007
4008 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4009 "looking for READY STATE: doorbell=%x"
4010 " count=%d\n",
4011 ioc->name, doorbell, count));
4012
4013 if (doorbell == MPI_IOC_STATE_READY) {
4014 return 1;
4015 }
4016
4017 /* wait 1 sec */
4018 if (sleepFlag == CAN_SLEEP)
4019 msleep(1000);
4020 else
4021 mdelay(1000);
4022 }
4023 return -1;
4024 }
4025
4026 /* Use "Diagnostic reset" method! (only thing available!) */
4027 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4028
4029 if (ioc->debug_level & MPT_DEBUG) {
4030 if (ioc->alt_ioc)
4031 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
4032 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG1: diag0=%08x, diag1=%08x\n",
4033 ioc->name, diag0val, diag1val));
4034 }
4035
4036 /* Do the reset if we are told to ignore the reset history
4037 * or if the reset history is 0
4038 */
4039 if (ignore || !(diag0val & MPI_DIAG_RESET_HISTORY)) {
4040 while ((diag0val & MPI_DIAG_DRWE) == 0) {
4041 /* Write magic sequence to WriteSequence register
4042 * Loop until in diagnostic mode
4043 */
4044 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
4045 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
4046 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
4047 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
4048 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
4049 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
4050
4051 /* wait 100 msec */
4052 if (sleepFlag == CAN_SLEEP) {
4053 msleep (100);
4054 } else {
4055 mdelay (100);
4056 }
4057
4058 count++;
4059 if (count > 20) {
4060 printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n",
4061 ioc->name, diag0val);
4062 return -2;
4063
4064 }
4065
4066 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4067
4068 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wrote magic DiagWriteEn sequence (%x)\n",
4069 ioc->name, diag0val));
4070 }
4071
4072 if (ioc->debug_level & MPT_DEBUG) {
4073 if (ioc->alt_ioc)
4074 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
4075 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG2: diag0=%08x, diag1=%08x\n",
4076 ioc->name, diag0val, diag1val));
4077 }
4078 /*
4079 * Disable the ARM (Bug fix)
4080 *
4081 */
4082 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_DISABLE_ARM);
4083 mdelay(1);
4084
4085 /*
4086 * Now hit the reset bit in the Diagnostic register
4087 * (THE BIG HAMMER!) (Clears DRWE bit).
4088 */
4089 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER);
4090 hard_reset_done = 1;
4091 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset performed\n",
4092 ioc->name));
4093
4094 /*
4095 * Call each currently registered protocol IOC reset handler
4096 * with pre-reset indication.
4097 * NOTE: If we're doing _IOC_BRINGUP, there can be no
4098 * MptResetHandlers[] registered yet.
4099 */
4100 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
4101 if (MptResetHandlers[cb_idx]) {
4102 mpt_signal_reset(cb_idx,
4103 ioc, MPT_IOC_PRE_RESET);
4104 if (ioc->alt_ioc) {
4105 mpt_signal_reset(cb_idx,
4106 ioc->alt_ioc, MPT_IOC_PRE_RESET);
4107 }
4108 }
4109 }
4110
4111 if (ioc->cached_fw)
4112 cached_fw = (MpiFwHeader_t *)ioc->cached_fw;
4113 else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw)
4114 cached_fw = (MpiFwHeader_t *)ioc->alt_ioc->cached_fw;
4115 else
4116 cached_fw = NULL;
4117 if (cached_fw) {
4118 /* If the DownloadBoot operation fails, the
4119 * IOC will be left unusable. This is a fatal error
4120 * case. _diag_reset will return < 0
4121 */
4122 for (count = 0; count < 30; count ++) {
4123 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4124 if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) {
4125 break;
4126 }
4127
4128 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "cached_fw: diag0val=%x count=%d\n",
4129 ioc->name, diag0val, count));
4130 /* wait 1 sec */
4131 if (sleepFlag == CAN_SLEEP) {
4132 msleep (1000);
4133 } else {
4134 mdelay (1000);
4135 }
4136 }
4137 if ((count = mpt_downloadboot(ioc, cached_fw, sleepFlag)) < 0) {
4138 printk(MYIOC_s_WARN_FMT
4139 "firmware downloadboot failure (%d)!\n", ioc->name, count);
4140 }
4141
4142 } else {
4143 /* Wait for FW to reload and for board
4144 * to go to the READY state.
4145 * Maximum wait is 60 seconds.
4146 * If fail, no error will check again
4147 * with calling program.
4148 */
4149 for (count = 0; count < 60; count ++) {
4150 doorbell = CHIPREG_READ32(&ioc->chip->Doorbell);
4151 doorbell &= MPI_IOC_STATE_MASK;
4152
4153 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4154 "looking for READY STATE: doorbell=%x"
4155 " count=%d\n", ioc->name, doorbell, count));
4156
4157 if (doorbell == MPI_IOC_STATE_READY) {
4158 break;
4159 }
4160
4161 /* wait 1 sec */
4162 if (sleepFlag == CAN_SLEEP) {
4163 msleep (1000);
4164 } else {
4165 mdelay (1000);
4166 }
4167 }
4168
4169 if (doorbell != MPI_IOC_STATE_READY)
4170 printk(MYIOC_s_ERR_FMT "Failed to come READY "
4171 "after reset! IocState=%x", ioc->name,
4172 doorbell);
4173 }
4174 }
4175
4176 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4177 if (ioc->debug_level & MPT_DEBUG) {
4178 if (ioc->alt_ioc)
4179 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
4180 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG3: diag0=%08x, diag1=%08x\n",
4181 ioc->name, diag0val, diag1val));
4182 }
4183
4184 /* Clear RESET_HISTORY bit! Place board in the
4185 * diagnostic mode to update the diag register.
4186 */
4187 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4188 count = 0;
4189 while ((diag0val & MPI_DIAG_DRWE) == 0) {
4190 /* Write magic sequence to WriteSequence register
4191 * Loop until in diagnostic mode
4192 */
4193 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
4194 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
4195 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
4196 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
4197 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
4198 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
4199
4200 /* wait 100 msec */
4201 if (sleepFlag == CAN_SLEEP) {
4202 msleep (100);
4203 } else {
4204 mdelay (100);
4205 }
4206
4207 count++;
4208 if (count > 20) {
4209 printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n",
4210 ioc->name, diag0val);
4211 break;
4212 }
4213 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4214 }
4215 diag0val &= ~MPI_DIAG_RESET_HISTORY;
4216 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val);
4217 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4218 if (diag0val & MPI_DIAG_RESET_HISTORY) {
4219 printk(MYIOC_s_WARN_FMT "ResetHistory bit failed to clear!\n",
4220 ioc->name);
4221 }
4222
4223 /* Disable Diagnostic Mode
4224 */
4225 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFFFFFFFF);
4226
4227 /* Check FW reload status flags.
4228 */
4229 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4230 if (diag0val & (MPI_DIAG_FLASH_BAD_SIG | MPI_DIAG_RESET_ADAPTER | MPI_DIAG_DISABLE_ARM)) {
4231 printk(MYIOC_s_ERR_FMT "Diagnostic reset FAILED! (%02xh)\n",
4232 ioc->name, diag0val);
4233 return -3;
4234 }
4235
4236 if (ioc->debug_level & MPT_DEBUG) {
4237 if (ioc->alt_ioc)
4238 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
4239 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG4: diag0=%08x, diag1=%08x\n",
4240 ioc->name, diag0val, diag1val));
4241 }
4242
4243 /*
4244 * Reset flag that says we've enabled event notification
4245 */
4246 ioc->facts.EventState = 0;
4247
4248 if (ioc->alt_ioc)
4249 ioc->alt_ioc->facts.EventState = 0;
4250
4251 return hard_reset_done;
4252}
4253
4254/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4255/**
4256 * SendIocReset - Send IOCReset request to MPT adapter.
4257 * @ioc: Pointer to MPT_ADAPTER structure
4258 * @reset_type: reset type, expected values are
4259 * %MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET or %MPI_FUNCTION_IO_UNIT_RESET
4260 * @sleepFlag: Specifies whether the process can sleep
4261 *
4262 * Send IOCReset request to the MPT adapter.
4263 *
4264 * Returns 0 for success, non-zero for failure.
4265 */
4266static int
4267SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag)
4268{
4269 int r;
4270 u32 state;
4271 int cntdn, count;
4272
4273 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOC reset(0x%02x)!\n",
4274 ioc->name, reset_type));
4275 CHIPREG_WRITE32(&ioc->chip->Doorbell, reset_type<<MPI_DOORBELL_FUNCTION_SHIFT);
4276 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
4277 return r;
4278
4279 /* FW ACK'd request, wait for READY state
4280 */
4281 count = 0;
4282 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 15; /* 15 seconds */
4283
4284 while ((state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) {
4285 cntdn--;
4286 count++;
4287 if (!cntdn) {
4288 if (sleepFlag != CAN_SLEEP)
4289 count *= 10;
4290
4291 printk(MYIOC_s_ERR_FMT
4292 "Wait IOC_READY state (0x%x) timeout(%d)!\n",
4293 ioc->name, state, (int)((count+5)/HZ));
4294 return -ETIME;
4295 }
4296
4297 if (sleepFlag == CAN_SLEEP) {
4298 msleep(1);
4299 } else {
4300 mdelay (1); /* 1 msec delay */
4301 }
4302 }
4303
4304 /* TODO!
4305 * Cleanup all event stuff for this IOC; re-issue EventNotification
4306 * request if needed.
4307 */
4308 if (ioc->facts.Function)
4309 ioc->facts.EventState = 0;
4310
4311 return 0;
4312}
4313
4314/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4315/**
4316 * initChainBuffers - Allocate memory for and initialize chain buffers
4317 * @ioc: Pointer to MPT_ADAPTER structure
4318 *
4319 * Allocates memory for and initializes chain buffers,
4320 * chain buffer control arrays and spinlock.
4321 */
4322static int
4323initChainBuffers(MPT_ADAPTER *ioc)
4324{
4325 u8 *mem;
4326 int sz, ii, num_chain;
4327 int scale, num_sge, numSGE;
4328
4329 /* ReqToChain size must equal the req_depth
4330 * index = req_idx
4331 */
4332 if (ioc->ReqToChain == NULL) {
4333 sz = ioc->req_depth * sizeof(int);
4334 mem = kmalloc(sz, GFP_ATOMIC);
4335 if (mem == NULL)
4336 return -1;
4337
4338 ioc->ReqToChain = (int *) mem;
4339 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReqToChain alloc @ %p, sz=%d bytes\n",
4340 ioc->name, mem, sz));
4341 mem = kmalloc(sz, GFP_ATOMIC);
4342 if (mem == NULL)
4343 return -1;
4344
4345 ioc->RequestNB = (int *) mem;
4346 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestNB alloc @ %p, sz=%d bytes\n",
4347 ioc->name, mem, sz));
4348 }
4349 for (ii = 0; ii < ioc->req_depth; ii++) {
4350 ioc->ReqToChain[ii] = MPT_HOST_NO_CHAIN;
4351 }
4352
4353 /* ChainToChain size must equal the total number
4354 * of chain buffers to be allocated.
4355 * index = chain_idx
4356 *
4357 * Calculate the number of chain buffers needed(plus 1) per I/O
4358 * then multiply the maximum number of simultaneous cmds
4359 *
4360 * num_sge = num sge in request frame + last chain buffer
4361 * scale = num sge per chain buffer if no chain element
4362 */
4363 scale = ioc->req_sz / ioc->SGE_size;
4364 if (ioc->sg_addr_size == sizeof(u64))
4365 num_sge = scale + (ioc->req_sz - 60) / ioc->SGE_size;
4366 else
4367 num_sge = 1 + scale + (ioc->req_sz - 64) / ioc->SGE_size;
4368
4369 if (ioc->sg_addr_size == sizeof(u64)) {
4370 numSGE = (scale - 1) * (ioc->facts.MaxChainDepth-1) + scale +
4371 (ioc->req_sz - 60) / ioc->SGE_size;
4372 } else {
4373 numSGE = 1 + (scale - 1) * (ioc->facts.MaxChainDepth-1) +
4374 scale + (ioc->req_sz - 64) / ioc->SGE_size;
4375 }
4376 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "num_sge=%d numSGE=%d\n",
4377 ioc->name, num_sge, numSGE));
4378
4379 if (ioc->bus_type == FC) {
4380 if (numSGE > MPT_SCSI_FC_SG_DEPTH)
4381 numSGE = MPT_SCSI_FC_SG_DEPTH;
4382 } else {
4383 if (numSGE > MPT_SCSI_SG_DEPTH)
4384 numSGE = MPT_SCSI_SG_DEPTH;
4385 }
4386
4387 num_chain = 1;
4388 while (numSGE - num_sge > 0) {
4389 num_chain++;
4390 num_sge += (scale - 1);
4391 }
4392 num_chain++;
4393
4394 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Now numSGE=%d num_sge=%d num_chain=%d\n",
4395 ioc->name, numSGE, num_sge, num_chain));
4396
4397 if (ioc->bus_type == SPI)
4398 num_chain *= MPT_SCSI_CAN_QUEUE;
4399 else if (ioc->bus_type == SAS)
4400 num_chain *= MPT_SAS_CAN_QUEUE;
4401 else
4402 num_chain *= MPT_FC_CAN_QUEUE;
4403
4404 ioc->num_chain = num_chain;
4405
4406 sz = num_chain * sizeof(int);
4407 if (ioc->ChainToChain == NULL) {
4408 mem = kmalloc(sz, GFP_ATOMIC);
4409 if (mem == NULL)
4410 return -1;
4411
4412 ioc->ChainToChain = (int *) mem;
4413 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainToChain alloc @ %p, sz=%d bytes\n",
4414 ioc->name, mem, sz));
4415 } else {
4416 mem = (u8 *) ioc->ChainToChain;
4417 }
4418 memset(mem, 0xFF, sz);
4419 return num_chain;
4420}
4421
4422/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4423/**
4424 * PrimeIocFifos - Initialize IOC request and reply FIFOs.
4425 * @ioc: Pointer to MPT_ADAPTER structure
4426 *
4427 * This routine allocates memory for the MPT reply and request frame
4428 * pools (if necessary), and primes the IOC reply FIFO with
4429 * reply frames.
4430 *
4431 * Returns 0 for success, non-zero for failure.
4432 */
4433static int
4434PrimeIocFifos(MPT_ADAPTER *ioc)
4435{
4436 MPT_FRAME_HDR *mf;
4437 unsigned long flags;
4438 dma_addr_t alloc_dma;
4439 u8 *mem;
4440 int i, reply_sz, sz, total_size, num_chain;
4441 u64 dma_mask;
4442
4443 dma_mask = 0;
4444
4445 /* Prime reply FIFO... */
4446
4447 if (ioc->reply_frames == NULL) {
4448 if ( (num_chain = initChainBuffers(ioc)) < 0)
4449 return -1;
4450 /*
4451 * 1078 errata workaround for the 36GB limitation
4452 */
4453 if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078 &&
4454 ioc->dma_mask > DMA_BIT_MASK(35)) {
4455 if (!pci_set_dma_mask(ioc->pcidev, DMA_BIT_MASK(32))
4456 && !pci_set_consistent_dma_mask(ioc->pcidev,
4457 DMA_BIT_MASK(32))) {
4458 dma_mask = DMA_BIT_MASK(35);
4459 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4460 "setting 35 bit addressing for "
4461 "Request/Reply/Chain and Sense Buffers\n",
4462 ioc->name));
4463 } else {
4464 /*Reseting DMA mask to 64 bit*/
4465 pci_set_dma_mask(ioc->pcidev,
4466 DMA_BIT_MASK(64));
4467 pci_set_consistent_dma_mask(ioc->pcidev,
4468 DMA_BIT_MASK(64));
4469
4470 printk(MYIOC_s_ERR_FMT
4471 "failed setting 35 bit addressing for "
4472 "Request/Reply/Chain and Sense Buffers\n",
4473 ioc->name);
4474 return -1;
4475 }
4476 }
4477
4478 total_size = reply_sz = (ioc->reply_sz * ioc->reply_depth);
4479 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d bytes, ReplyDepth=%d\n",
4480 ioc->name, ioc->reply_sz, ioc->reply_depth));
4481 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d[%x] bytes\n",
4482 ioc->name, reply_sz, reply_sz));
4483
4484 sz = (ioc->req_sz * ioc->req_depth);
4485 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d bytes, RequestDepth=%d\n",
4486 ioc->name, ioc->req_sz, ioc->req_depth));
4487 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d[%x] bytes\n",
4488 ioc->name, sz, sz));
4489 total_size += sz;
4490
4491 sz = num_chain * ioc->req_sz; /* chain buffer pool size */
4492 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d bytes, ChainDepth=%d\n",
4493 ioc->name, ioc->req_sz, num_chain));
4494 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d[%x] bytes num_chain=%d\n",
4495 ioc->name, sz, sz, num_chain));
4496
4497 total_size += sz;
4498 mem = dma_alloc_coherent(&ioc->pcidev->dev, total_size,
4499 &alloc_dma, GFP_KERNEL);
4500 if (mem == NULL) {
4501 printk(MYIOC_s_ERR_FMT "Unable to allocate Reply, Request, Chain Buffers!\n",
4502 ioc->name);
4503 goto out_fail;
4504 }
4505
4506 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Total alloc @ %p[%p], sz=%d[%x] bytes\n",
4507 ioc->name, mem, (void *)(ulong)alloc_dma, total_size, total_size));
4508
4509 memset(mem, 0, total_size);
4510 ioc->alloc_total += total_size;
4511 ioc->alloc = mem;
4512 ioc->alloc_dma = alloc_dma;
4513 ioc->alloc_sz = total_size;
4514 ioc->reply_frames = (MPT_FRAME_HDR *) mem;
4515 ioc->reply_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF);
4516
4517 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n",
4518 ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma));
4519
4520 alloc_dma += reply_sz;
4521 mem += reply_sz;
4522
4523 /* Request FIFO - WE manage this! */
4524
4525 ioc->req_frames = (MPT_FRAME_HDR *) mem;
4526 ioc->req_frames_dma = alloc_dma;
4527
4528 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffers @ %p[%p]\n",
4529 ioc->name, mem, (void *)(ulong)alloc_dma));
4530
4531 ioc->req_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF);
4532
4533 for (i = 0; i < ioc->req_depth; i++) {
4534 alloc_dma += ioc->req_sz;
4535 mem += ioc->req_sz;
4536 }
4537
4538 ioc->ChainBuffer = mem;
4539 ioc->ChainBufferDMA = alloc_dma;
4540
4541 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffers @ %p(%p)\n",
4542 ioc->name, ioc->ChainBuffer, (void *)(ulong)ioc->ChainBufferDMA));
4543
4544 /* Initialize the free chain Q.
4545 */
4546
4547 INIT_LIST_HEAD(&ioc->FreeChainQ);
4548
4549 /* Post the chain buffers to the FreeChainQ.
4550 */
4551 mem = (u8 *)ioc->ChainBuffer;
4552 for (i=0; i < num_chain; i++) {
4553 mf = (MPT_FRAME_HDR *) mem;
4554 list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeChainQ);
4555 mem += ioc->req_sz;
4556 }
4557
4558 /* Initialize Request frames linked list
4559 */
4560 alloc_dma = ioc->req_frames_dma;
4561 mem = (u8 *) ioc->req_frames;
4562
4563 spin_lock_irqsave(&ioc->FreeQlock, flags);
4564 INIT_LIST_HEAD(&ioc->FreeQ);
4565 for (i = 0; i < ioc->req_depth; i++) {
4566 mf = (MPT_FRAME_HDR *) mem;
4567
4568 /* Queue REQUESTs *internally*! */
4569 list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeQ);
4570
4571 mem += ioc->req_sz;
4572 }
4573 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
4574
4575 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
4576 ioc->sense_buf_pool = dma_alloc_coherent(&ioc->pcidev->dev, sz,
4577 &ioc->sense_buf_pool_dma, GFP_KERNEL);
4578 if (ioc->sense_buf_pool == NULL) {
4579 printk(MYIOC_s_ERR_FMT "Unable to allocate Sense Buffers!\n",
4580 ioc->name);
4581 goto out_fail;
4582 }
4583
4584 ioc->sense_buf_low_dma = (u32) (ioc->sense_buf_pool_dma & 0xFFFFFFFF);
4585 ioc->alloc_total += sz;
4586 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SenseBuffers @ %p[%p]\n",
4587 ioc->name, ioc->sense_buf_pool, (void *)(ulong)ioc->sense_buf_pool_dma));
4588
4589 }
4590
4591 /* Post Reply frames to FIFO
4592 */
4593 alloc_dma = ioc->alloc_dma;
4594 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n",
4595 ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma));
4596
4597 for (i = 0; i < ioc->reply_depth; i++) {
4598 /* Write each address to the IOC! */
4599 CHIPREG_WRITE32(&ioc->chip->ReplyFifo, alloc_dma);
4600 alloc_dma += ioc->reply_sz;
4601 }
4602
4603 if (dma_mask == DMA_BIT_MASK(35) && !pci_set_dma_mask(ioc->pcidev,
4604 ioc->dma_mask) && !pci_set_consistent_dma_mask(ioc->pcidev,
4605 ioc->dma_mask))
4606 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4607 "restoring 64 bit addressing\n", ioc->name));
4608
4609 return 0;
4610
4611out_fail:
4612
4613 if (ioc->alloc != NULL) {
4614 sz = ioc->alloc_sz;
4615 dma_free_coherent(&ioc->pcidev->dev, sz, ioc->alloc,
4616 ioc->alloc_dma);
4617 ioc->reply_frames = NULL;
4618 ioc->req_frames = NULL;
4619 ioc->alloc_total -= sz;
4620 }
4621 if (ioc->sense_buf_pool != NULL) {
4622 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
4623 dma_free_coherent(&ioc->pcidev->dev, sz, ioc->sense_buf_pool,
4624 ioc->sense_buf_pool_dma);
4625 ioc->sense_buf_pool = NULL;
4626 }
4627
4628 if (dma_mask == DMA_BIT_MASK(35) && !pci_set_dma_mask(ioc->pcidev,
4629 DMA_BIT_MASK(64)) && !pci_set_consistent_dma_mask(ioc->pcidev,
4630 DMA_BIT_MASK(64)))
4631 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4632 "restoring 64 bit addressing\n", ioc->name));
4633
4634 return -1;
4635}
4636
4637/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4638/**
4639 * mpt_handshake_req_reply_wait - Send MPT request to and receive reply
4640 * from IOC via doorbell handshake method.
4641 * @ioc: Pointer to MPT_ADAPTER structure
4642 * @reqBytes: Size of the request in bytes
4643 * @req: Pointer to MPT request frame
4644 * @replyBytes: Expected size of the reply in bytes
4645 * @u16reply: Pointer to area where reply should be written
4646 * @maxwait: Max wait time for a reply (in seconds)
4647 * @sleepFlag: Specifies whether the process can sleep
4648 *
4649 * NOTES: It is the callers responsibility to byte-swap fields in the
4650 * request which are greater than 1 byte in size. It is also the
4651 * callers responsibility to byte-swap response fields which are
4652 * greater than 1 byte in size.
4653 *
4654 * Returns 0 for success, non-zero for failure.
4655 */
4656static int
4657mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes, u32 *req,
4658 int replyBytes, u16 *u16reply, int maxwait, int sleepFlag)
4659{
4660 MPIDefaultReply_t *mptReply;
4661 int failcnt = 0;
4662 int t;
4663
4664 /*
4665 * Get ready to cache a handshake reply
4666 */
4667 ioc->hs_reply_idx = 0;
4668 mptReply = (MPIDefaultReply_t *) ioc->hs_reply;
4669 mptReply->MsgLength = 0;
4670
4671 /*
4672 * Make sure there are no doorbells (WRITE 0 to IntStatus reg),
4673 * then tell IOC that we want to handshake a request of N words.
4674 * (WRITE u32val to Doorbell reg).
4675 */
4676 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4677 CHIPREG_WRITE32(&ioc->chip->Doorbell,
4678 ((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) |
4679 ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT)));
4680
4681 /*
4682 * Wait for IOC's doorbell handshake int
4683 */
4684 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4685 failcnt++;
4686
4687 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request start reqBytes=%d, WaitCnt=%d%s\n",
4688 ioc->name, reqBytes, t, failcnt ? " - MISSING DOORBELL HANDSHAKE!" : ""));
4689
4690 /* Read doorbell and check for active bit */
4691 if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE))
4692 return -1;
4693
4694 /*
4695 * Clear doorbell int (WRITE 0 to IntStatus reg),
4696 * then wait for IOC to ACKnowledge that it's ready for
4697 * our handshake request.
4698 */
4699 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4700 if (!failcnt && (t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
4701 failcnt++;
4702
4703 if (!failcnt) {
4704 int ii;
4705 u8 *req_as_bytes = (u8 *) req;
4706
4707 /*
4708 * Stuff request words via doorbell handshake,
4709 * with ACK from IOC for each.
4710 */
4711 for (ii = 0; !failcnt && ii < reqBytes/4; ii++) {
4712 u32 word = ((req_as_bytes[(ii*4) + 0] << 0) |
4713 (req_as_bytes[(ii*4) + 1] << 8) |
4714 (req_as_bytes[(ii*4) + 2] << 16) |
4715 (req_as_bytes[(ii*4) + 3] << 24));
4716
4717 CHIPREG_WRITE32(&ioc->chip->Doorbell, word);
4718 if ((t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
4719 failcnt++;
4720 }
4721
4722 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handshake request frame (@%p) header\n", ioc->name, req));
4723 DBG_DUMP_REQUEST_FRAME_HDR(ioc, (u32 *)req);
4724
4725 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request post done, WaitCnt=%d%s\n",
4726 ioc->name, t, failcnt ? " - MISSING DOORBELL ACK!" : ""));
4727
4728 /*
4729 * Wait for completion of doorbell handshake reply from the IOC
4730 */
4731 if (!failcnt && (t = WaitForDoorbellReply(ioc, maxwait, sleepFlag)) < 0)
4732 failcnt++;
4733
4734 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake reply count=%d%s\n",
4735 ioc->name, t, failcnt ? " - MISSING DOORBELL REPLY!" : ""));
4736
4737 /*
4738 * Copy out the cached reply...
4739 */
4740 for (ii=0; ii < min(replyBytes/2,mptReply->MsgLength*2); ii++)
4741 u16reply[ii] = ioc->hs_reply[ii];
4742 } else {
4743 return -99;
4744 }
4745
4746 return -failcnt;
4747}
4748
4749/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4750/**
4751 * WaitForDoorbellAck - Wait for IOC doorbell handshake acknowledge
4752 * @ioc: Pointer to MPT_ADAPTER structure
4753 * @howlong: How long to wait (in seconds)
4754 * @sleepFlag: Specifies whether the process can sleep
4755 *
4756 * This routine waits (up to ~2 seconds max) for IOC doorbell
4757 * handshake ACKnowledge, indicated by the IOP_DOORBELL_STATUS
4758 * bit in its IntStatus register being clear.
4759 *
4760 * Returns a negative value on failure, else wait loop count.
4761 */
4762static int
4763WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
4764{
4765 int cntdn;
4766 int count = 0;
4767 u32 intstat=0;
4768
4769 cntdn = 1000 * howlong;
4770
4771 if (sleepFlag == CAN_SLEEP) {
4772 while (--cntdn) {
4773 msleep (1);
4774 intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4775 if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
4776 break;
4777 count++;
4778 }
4779 } else {
4780 while (--cntdn) {
4781 udelay (1000);
4782 intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4783 if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
4784 break;
4785 count++;
4786 }
4787 }
4788
4789 if (cntdn) {
4790 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell ACK (count=%d)\n",
4791 ioc->name, count));
4792 return count;
4793 }
4794
4795 printk(MYIOC_s_ERR_FMT "Doorbell ACK timeout (count=%d), IntStatus=%x!\n",
4796 ioc->name, count, intstat);
4797 return -1;
4798}
4799
4800/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4801/**
4802 * WaitForDoorbellInt - Wait for IOC to set its doorbell interrupt bit
4803 * @ioc: Pointer to MPT_ADAPTER structure
4804 * @howlong: How long to wait (in seconds)
4805 * @sleepFlag: Specifies whether the process can sleep
4806 *
4807 * This routine waits (up to ~2 seconds max) for IOC doorbell interrupt
4808 * (MPI_HIS_DOORBELL_INTERRUPT) to be set in the IntStatus register.
4809 *
4810 * Returns a negative value on failure, else wait loop count.
4811 */
4812static int
4813WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
4814{
4815 int cntdn;
4816 int count = 0;
4817 u32 intstat=0;
4818
4819 cntdn = 1000 * howlong;
4820 if (sleepFlag == CAN_SLEEP) {
4821 while (--cntdn) {
4822 intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4823 if (intstat & MPI_HIS_DOORBELL_INTERRUPT)
4824 break;
4825 msleep(1);
4826 count++;
4827 }
4828 } else {
4829 while (--cntdn) {
4830 intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4831 if (intstat & MPI_HIS_DOORBELL_INTERRUPT)
4832 break;
4833 udelay (1000);
4834 count++;
4835 }
4836 }
4837
4838 if (cntdn) {
4839 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell INT (cnt=%d) howlong=%d\n",
4840 ioc->name, count, howlong));
4841 return count;
4842 }
4843
4844 printk(MYIOC_s_ERR_FMT "Doorbell INT timeout (count=%d), IntStatus=%x!\n",
4845 ioc->name, count, intstat);
4846 return -1;
4847}
4848
4849/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4850/**
4851 * WaitForDoorbellReply - Wait for and capture an IOC handshake reply.
4852 * @ioc: Pointer to MPT_ADAPTER structure
4853 * @howlong: How long to wait (in seconds)
4854 * @sleepFlag: Specifies whether the process can sleep
4855 *
4856 * This routine polls the IOC for a handshake reply, 16 bits at a time.
4857 * Reply is cached to IOC private area large enough to hold a maximum
4858 * of 128 bytes of reply data.
4859 *
4860 * Returns a negative value on failure, else size of reply in WORDS.
4861 */
4862static int
4863WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
4864{
4865 int u16cnt = 0;
4866 int failcnt = 0;
4867 int t;
4868 u16 *hs_reply = ioc->hs_reply;
4869 volatile MPIDefaultReply_t *mptReply = (MPIDefaultReply_t *) ioc->hs_reply;
4870 u16 hword;
4871
4872 hs_reply[0] = hs_reply[1] = hs_reply[7] = 0;
4873
4874 /*
4875 * Get first two u16's so we can look at IOC's intended reply MsgLength
4876 */
4877 u16cnt=0;
4878 if ((t = WaitForDoorbellInt(ioc, howlong, sleepFlag)) < 0) {
4879 failcnt++;
4880 } else {
4881 hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
4882 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4883 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4884 failcnt++;
4885 else {
4886 hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
4887 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4888 }
4889 }
4890
4891 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitCnt=%d First handshake reply word=%08x%s\n",
4892 ioc->name, t, le32_to_cpu(*(u32 *)hs_reply),
4893 failcnt ? " - MISSING DOORBELL HANDSHAKE!" : ""));
4894
4895 /*
4896 * If no error (and IOC said MsgLength is > 0), piece together
4897 * reply 16 bits at a time.
4898 */
4899 for (u16cnt=2; !failcnt && u16cnt < (2 * mptReply->MsgLength); u16cnt++) {
4900 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4901 failcnt++;
4902 hword = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
4903 /* don't overflow our IOC hs_reply[] buffer! */
4904 if (u16cnt < ARRAY_SIZE(ioc->hs_reply))
4905 hs_reply[u16cnt] = hword;
4906 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4907 }
4908
4909 if (!failcnt && (t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4910 failcnt++;
4911 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4912
4913 if (failcnt) {
4914 printk(MYIOC_s_ERR_FMT "Handshake reply failure!\n",
4915 ioc->name);
4916 return -failcnt;
4917 }
4918#if 0
4919 else if (u16cnt != (2 * mptReply->MsgLength)) {
4920 return -101;
4921 }
4922 else if ((mptReply->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
4923 return -102;
4924 }
4925#endif
4926
4927 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got Handshake reply:\n", ioc->name));
4928 DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mptReply);
4929
4930 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell REPLY WaitCnt=%d (sz=%d)\n",
4931 ioc->name, t, u16cnt/2));
4932 return u16cnt/2;
4933}
4934
4935/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4936/**
4937 * GetLanConfigPages - Fetch LANConfig pages.
4938 * @ioc: Pointer to MPT_ADAPTER structure
4939 *
4940 * Return: 0 for success
4941 * -ENOMEM if no memory available
4942 * -EPERM if not allowed due to ISR context
4943 * -EAGAIN if no msg frames currently available
4944 * -EFAULT for non-successful reply or no reply (timeout)
4945 */
4946static int
4947GetLanConfigPages(MPT_ADAPTER *ioc)
4948{
4949 ConfigPageHeader_t hdr;
4950 CONFIGPARMS cfg;
4951 LANPage0_t *ppage0_alloc;
4952 dma_addr_t page0_dma;
4953 LANPage1_t *ppage1_alloc;
4954 dma_addr_t page1_dma;
4955 int rc = 0;
4956 int data_sz;
4957 int copy_sz;
4958
4959 /* Get LAN Page 0 header */
4960 hdr.PageVersion = 0;
4961 hdr.PageLength = 0;
4962 hdr.PageNumber = 0;
4963 hdr.PageType = MPI_CONFIG_PAGETYPE_LAN;
4964 cfg.cfghdr.hdr = &hdr;
4965 cfg.physAddr = -1;
4966 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4967 cfg.dir = 0;
4968 cfg.pageAddr = 0;
4969 cfg.timeout = 0;
4970
4971 if ((rc = mpt_config(ioc, &cfg)) != 0)
4972 return rc;
4973
4974 if (hdr.PageLength > 0) {
4975 data_sz = hdr.PageLength * 4;
4976 ppage0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
4977 rc = -ENOMEM;
4978 if (ppage0_alloc) {
4979 memset((u8 *)ppage0_alloc, 0, data_sz);
4980 cfg.physAddr = page0_dma;
4981 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4982
4983 if ((rc = mpt_config(ioc, &cfg)) == 0) {
4984 /* save the data */
4985 copy_sz = min_t(int, sizeof(LANPage0_t), data_sz);
4986 memcpy(&ioc->lan_cnfg_page0, ppage0_alloc, copy_sz);
4987
4988 }
4989
4990 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
4991
4992 /* FIXME!
4993 * Normalize endianness of structure data,
4994 * by byte-swapping all > 1 byte fields!
4995 */
4996
4997 }
4998
4999 if (rc)
5000 return rc;
5001 }
5002
5003 /* Get LAN Page 1 header */
5004 hdr.PageVersion = 0;
5005 hdr.PageLength = 0;
5006 hdr.PageNumber = 1;
5007 hdr.PageType = MPI_CONFIG_PAGETYPE_LAN;
5008 cfg.cfghdr.hdr = &hdr;
5009 cfg.physAddr = -1;
5010 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5011 cfg.dir = 0;
5012 cfg.pageAddr = 0;
5013
5014 if ((rc = mpt_config(ioc, &cfg)) != 0)
5015 return rc;
5016
5017 if (hdr.PageLength == 0)
5018 return 0;
5019
5020 data_sz = hdr.PageLength * 4;
5021 rc = -ENOMEM;
5022 ppage1_alloc = pci_alloc_consistent(ioc->pcidev, data_sz, &page1_dma);
5023 if (ppage1_alloc) {
5024 memset((u8 *)ppage1_alloc, 0, data_sz);
5025 cfg.physAddr = page1_dma;
5026 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5027
5028 if ((rc = mpt_config(ioc, &cfg)) == 0) {
5029 /* save the data */
5030 copy_sz = min_t(int, sizeof(LANPage1_t), data_sz);
5031 memcpy(&ioc->lan_cnfg_page1, ppage1_alloc, copy_sz);
5032 }
5033
5034 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage1_alloc, page1_dma);
5035
5036 /* FIXME!
5037 * Normalize endianness of structure data,
5038 * by byte-swapping all > 1 byte fields!
5039 */
5040
5041 }
5042
5043 return rc;
5044}
5045
5046/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5047/**
5048 * mptbase_sas_persist_operation - Perform operation on SAS Persistent Table
5049 * @ioc: Pointer to MPT_ADAPTER structure
5050 * @persist_opcode: see below
5051 *
5052 * =============================== ======================================
5053 * MPI_SAS_OP_CLEAR_NOT_PRESENT Free all persist TargetID mappings for
5054 * devices not currently present.
5055 * MPI_SAS_OP_CLEAR_ALL_PERSISTENT Clear al persist TargetID mappings
5056 * =============================== ======================================
5057 *
5058 * NOTE: Don't use not this function during interrupt time.
5059 *
5060 * Returns 0 for success, non-zero error
5061 */
5062
5063/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5064int
5065mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode)
5066{
5067 SasIoUnitControlRequest_t *sasIoUnitCntrReq;
5068 SasIoUnitControlReply_t *sasIoUnitCntrReply;
5069 MPT_FRAME_HDR *mf = NULL;
5070 MPIHeader_t *mpi_hdr;
5071 int ret = 0;
5072 unsigned long timeleft;
5073
5074 mutex_lock(&ioc->mptbase_cmds.mutex);
5075
5076 /* init the internal cmd struct */
5077 memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE);
5078 INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status)
5079
5080 /* insure garbage is not sent to fw */
5081 switch(persist_opcode) {
5082
5083 case MPI_SAS_OP_CLEAR_NOT_PRESENT:
5084 case MPI_SAS_OP_CLEAR_ALL_PERSISTENT:
5085 break;
5086
5087 default:
5088 ret = -1;
5089 goto out;
5090 }
5091
5092 printk(KERN_DEBUG "%s: persist_opcode=%x\n",
5093 __func__, persist_opcode);
5094
5095 /* Get a MF for this command.
5096 */
5097 if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
5098 printk(KERN_DEBUG "%s: no msg frames!\n", __func__);
5099 ret = -1;
5100 goto out;
5101 }
5102
5103 mpi_hdr = (MPIHeader_t *) mf;
5104 sasIoUnitCntrReq = (SasIoUnitControlRequest_t *)mf;
5105 memset(sasIoUnitCntrReq,0,sizeof(SasIoUnitControlRequest_t));
5106 sasIoUnitCntrReq->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
5107 sasIoUnitCntrReq->MsgContext = mpi_hdr->MsgContext;
5108 sasIoUnitCntrReq->Operation = persist_opcode;
5109
5110 mpt_put_msg_frame(mpt_base_index, ioc, mf);
5111 timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done, 10*HZ);
5112 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
5113 ret = -ETIME;
5114 printk(KERN_DEBUG "%s: failed\n", __func__);
5115 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
5116 goto out;
5117 if (!timeleft) {
5118 printk(MYIOC_s_WARN_FMT
5119 "Issuing Reset from %s!!, doorbell=0x%08x\n",
5120 ioc->name, __func__, mpt_GetIocState(ioc, 0));
5121 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
5122 mpt_free_msg_frame(ioc, mf);
5123 }
5124 goto out;
5125 }
5126
5127 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
5128 ret = -1;
5129 goto out;
5130 }
5131
5132 sasIoUnitCntrReply =
5133 (SasIoUnitControlReply_t *)ioc->mptbase_cmds.reply;
5134 if (le16_to_cpu(sasIoUnitCntrReply->IOCStatus) != MPI_IOCSTATUS_SUCCESS) {
5135 printk(KERN_DEBUG "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
5136 __func__, sasIoUnitCntrReply->IOCStatus,
5137 sasIoUnitCntrReply->IOCLogInfo);
5138 printk(KERN_DEBUG "%s: failed\n", __func__);
5139 ret = -1;
5140 } else
5141 printk(KERN_DEBUG "%s: success\n", __func__);
5142 out:
5143
5144 CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status)
5145 mutex_unlock(&ioc->mptbase_cmds.mutex);
5146 return ret;
5147}
5148
5149/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5150
5151static void
5152mptbase_raid_process_event_data(MPT_ADAPTER *ioc,
5153 MpiEventDataRaid_t * pRaidEventData)
5154{
5155 int volume;
5156 int reason;
5157 int disk;
5158 int status;
5159 int flags;
5160 int state;
5161
5162 volume = pRaidEventData->VolumeID;
5163 reason = pRaidEventData->ReasonCode;
5164 disk = pRaidEventData->PhysDiskNum;
5165 status = le32_to_cpu(pRaidEventData->SettingsStatus);
5166 flags = (status >> 0) & 0xff;
5167 state = (status >> 8) & 0xff;
5168
5169 if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) {
5170 return;
5171 }
5172
5173 if ((reason >= MPI_EVENT_RAID_RC_PHYSDISK_CREATED &&
5174 reason <= MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED) ||
5175 (reason == MPI_EVENT_RAID_RC_SMART_DATA)) {
5176 printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for PhysDisk %d id=%d\n",
5177 ioc->name, disk, volume);
5178 } else {
5179 printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for VolumeID %d\n",
5180 ioc->name, volume);
5181 }
5182
5183 switch(reason) {
5184 case MPI_EVENT_RAID_RC_VOLUME_CREATED:
5185 printk(MYIOC_s_INFO_FMT " volume has been created\n",
5186 ioc->name);
5187 break;
5188
5189 case MPI_EVENT_RAID_RC_VOLUME_DELETED:
5190
5191 printk(MYIOC_s_INFO_FMT " volume has been deleted\n",
5192 ioc->name);
5193 break;
5194
5195 case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED:
5196 printk(MYIOC_s_INFO_FMT " volume settings have been changed\n",
5197 ioc->name);
5198 break;
5199
5200 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
5201 printk(MYIOC_s_INFO_FMT " volume is now %s%s%s%s\n",
5202 ioc->name,
5203 state == MPI_RAIDVOL0_STATUS_STATE_OPTIMAL
5204 ? "optimal"
5205 : state == MPI_RAIDVOL0_STATUS_STATE_DEGRADED
5206 ? "degraded"
5207 : state == MPI_RAIDVOL0_STATUS_STATE_FAILED
5208 ? "failed"
5209 : "state unknown",
5210 flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED
5211 ? ", enabled" : "",
5212 flags & MPI_RAIDVOL0_STATUS_FLAG_QUIESCED
5213 ? ", quiesced" : "",
5214 flags & MPI_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
5215 ? ", resync in progress" : "" );
5216 break;
5217
5218 case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED:
5219 printk(MYIOC_s_INFO_FMT " volume membership of PhysDisk %d has changed\n",
5220 ioc->name, disk);
5221 break;
5222
5223 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
5224 printk(MYIOC_s_INFO_FMT " PhysDisk has been created\n",
5225 ioc->name);
5226 break;
5227
5228 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
5229 printk(MYIOC_s_INFO_FMT " PhysDisk has been deleted\n",
5230 ioc->name);
5231 break;
5232
5233 case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED:
5234 printk(MYIOC_s_INFO_FMT " PhysDisk settings have been changed\n",
5235 ioc->name);
5236 break;
5237
5238 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
5239 printk(MYIOC_s_INFO_FMT " PhysDisk is now %s%s%s\n",
5240 ioc->name,
5241 state == MPI_PHYSDISK0_STATUS_ONLINE
5242 ? "online"
5243 : state == MPI_PHYSDISK0_STATUS_MISSING
5244 ? "missing"
5245 : state == MPI_PHYSDISK0_STATUS_NOT_COMPATIBLE
5246 ? "not compatible"
5247 : state == MPI_PHYSDISK0_STATUS_FAILED
5248 ? "failed"
5249 : state == MPI_PHYSDISK0_STATUS_INITIALIZING
5250 ? "initializing"
5251 : state == MPI_PHYSDISK0_STATUS_OFFLINE_REQUESTED
5252 ? "offline requested"
5253 : state == MPI_PHYSDISK0_STATUS_FAILED_REQUESTED
5254 ? "failed requested"
5255 : state == MPI_PHYSDISK0_STATUS_OTHER_OFFLINE
5256 ? "offline"
5257 : "state unknown",
5258 flags & MPI_PHYSDISK0_STATUS_FLAG_OUT_OF_SYNC
5259 ? ", out of sync" : "",
5260 flags & MPI_PHYSDISK0_STATUS_FLAG_QUIESCED
5261 ? ", quiesced" : "" );
5262 break;
5263
5264 case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED:
5265 printk(MYIOC_s_INFO_FMT " Domain Validation needed for PhysDisk %d\n",
5266 ioc->name, disk);
5267 break;
5268
5269 case MPI_EVENT_RAID_RC_SMART_DATA:
5270 printk(MYIOC_s_INFO_FMT " SMART data received, ASC/ASCQ = %02xh/%02xh\n",
5271 ioc->name, pRaidEventData->ASC, pRaidEventData->ASCQ);
5272 break;
5273
5274 case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED:
5275 printk(MYIOC_s_INFO_FMT " replacement of PhysDisk %d has started\n",
5276 ioc->name, disk);
5277 break;
5278 }
5279}
5280
5281/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5282/**
5283 * GetIoUnitPage2 - Retrieve BIOS version and boot order information.
5284 * @ioc: Pointer to MPT_ADAPTER structure
5285 *
5286 * Returns: 0 for success
5287 * -ENOMEM if no memory available
5288 * -EPERM if not allowed due to ISR context
5289 * -EAGAIN if no msg frames currently available
5290 * -EFAULT for non-successful reply or no reply (timeout)
5291 */
5292static int
5293GetIoUnitPage2(MPT_ADAPTER *ioc)
5294{
5295 ConfigPageHeader_t hdr;
5296 CONFIGPARMS cfg;
5297 IOUnitPage2_t *ppage_alloc;
5298 dma_addr_t page_dma;
5299 int data_sz;
5300 int rc;
5301
5302 /* Get the page header */
5303 hdr.PageVersion = 0;
5304 hdr.PageLength = 0;
5305 hdr.PageNumber = 2;
5306 hdr.PageType = MPI_CONFIG_PAGETYPE_IO_UNIT;
5307 cfg.cfghdr.hdr = &hdr;
5308 cfg.physAddr = -1;
5309 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5310 cfg.dir = 0;
5311 cfg.pageAddr = 0;
5312 cfg.timeout = 0;
5313
5314 if ((rc = mpt_config(ioc, &cfg)) != 0)
5315 return rc;
5316
5317 if (hdr.PageLength == 0)
5318 return 0;
5319
5320 /* Read the config page */
5321 data_sz = hdr.PageLength * 4;
5322 rc = -ENOMEM;
5323 ppage_alloc = pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma);
5324 if (ppage_alloc) {
5325 memset((u8 *)ppage_alloc, 0, data_sz);
5326 cfg.physAddr = page_dma;
5327 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5328
5329 /* If Good, save data */
5330 if ((rc = mpt_config(ioc, &cfg)) == 0)
5331 ioc->biosVersion = le32_to_cpu(ppage_alloc->BiosVersion);
5332
5333 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage_alloc, page_dma);
5334 }
5335
5336 return rc;
5337}
5338
5339/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5340/**
5341 * mpt_GetScsiPortSettings - read SCSI Port Page 0 and 2
5342 * @ioc: Pointer to a Adapter Strucutre
5343 * @portnum: IOC port number
5344 *
5345 * Return: -EFAULT if read of config page header fails
5346 * or if no nvram
5347 * If read of SCSI Port Page 0 fails,
5348 * NVRAM = MPT_HOST_NVRAM_INVALID (0xFFFFFFFF)
5349 * Adapter settings: async, narrow
5350 * Return 1
5351 * If read of SCSI Port Page 2 fails,
5352 * Adapter settings valid
5353 * NVRAM = MPT_HOST_NVRAM_INVALID (0xFFFFFFFF)
5354 * Return 1
5355 * Else
5356 * Both valid
5357 * Return 0
5358 * CHECK - what type of locking mechanisms should be used????
5359 */
5360static int
5361mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum)
5362{
5363 u8 *pbuf;
5364 dma_addr_t buf_dma;
5365 CONFIGPARMS cfg;
5366 ConfigPageHeader_t header;
5367 int ii;
5368 int data, rc = 0;
5369
5370 /* Allocate memory
5371 */
5372 if (!ioc->spi_data.nvram) {
5373 int sz;
5374 u8 *mem;
5375 sz = MPT_MAX_SCSI_DEVICES * sizeof(int);
5376 mem = kmalloc(sz, GFP_ATOMIC);
5377 if (mem == NULL)
5378 return -EFAULT;
5379
5380 ioc->spi_data.nvram = (int *) mem;
5381
5382 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SCSI device NVRAM settings @ %p, sz=%d\n",
5383 ioc->name, ioc->spi_data.nvram, sz));
5384 }
5385
5386 /* Invalidate NVRAM information
5387 */
5388 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
5389 ioc->spi_data.nvram[ii] = MPT_HOST_NVRAM_INVALID;
5390 }
5391
5392 /* Read SPP0 header, allocate memory, then read page.
5393 */
5394 header.PageVersion = 0;
5395 header.PageLength = 0;
5396 header.PageNumber = 0;
5397 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT;
5398 cfg.cfghdr.hdr = &header;
5399 cfg.physAddr = -1;
5400 cfg.pageAddr = portnum;
5401 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5402 cfg.dir = 0;
5403 cfg.timeout = 0; /* use default */
5404 if (mpt_config(ioc, &cfg) != 0)
5405 return -EFAULT;
5406
5407 if (header.PageLength > 0) {
5408 pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma);
5409 if (pbuf) {
5410 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5411 cfg.physAddr = buf_dma;
5412 if (mpt_config(ioc, &cfg) != 0) {
5413 ioc->spi_data.maxBusWidth = MPT_NARROW;
5414 ioc->spi_data.maxSyncOffset = 0;
5415 ioc->spi_data.minSyncFactor = MPT_ASYNC;
5416 ioc->spi_data.busType = MPT_HOST_BUS_UNKNOWN;
5417 rc = 1;
5418 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5419 "Unable to read PortPage0 minSyncFactor=%x\n",
5420 ioc->name, ioc->spi_data.minSyncFactor));
5421 } else {
5422 /* Save the Port Page 0 data
5423 */
5424 SCSIPortPage0_t *pPP0 = (SCSIPortPage0_t *) pbuf;
5425 pPP0->Capabilities = le32_to_cpu(pPP0->Capabilities);
5426 pPP0->PhysicalInterface = le32_to_cpu(pPP0->PhysicalInterface);
5427
5428 if ( (pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_QAS) == 0 ) {
5429 ioc->spi_data.noQas |= MPT_TARGET_NO_NEGO_QAS;
5430 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5431 "noQas due to Capabilities=%x\n",
5432 ioc->name, pPP0->Capabilities));
5433 }
5434 ioc->spi_data.maxBusWidth = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_WIDE ? 1 : 0;
5435 data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MAX_SYNC_OFFSET_MASK;
5436 if (data) {
5437 ioc->spi_data.maxSyncOffset = (u8) (data >> 16);
5438 data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MIN_SYNC_PERIOD_MASK;
5439 ioc->spi_data.minSyncFactor = (u8) (data >> 8);
5440 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5441 "PortPage0 minSyncFactor=%x\n",
5442 ioc->name, ioc->spi_data.minSyncFactor));
5443 } else {
5444 ioc->spi_data.maxSyncOffset = 0;
5445 ioc->spi_data.minSyncFactor = MPT_ASYNC;
5446 }
5447
5448 ioc->spi_data.busType = pPP0->PhysicalInterface & MPI_SCSIPORTPAGE0_PHY_SIGNAL_TYPE_MASK;
5449
5450 /* Update the minSyncFactor based on bus type.
5451 */
5452 if ((ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_HVD) ||
5453 (ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_SE)) {
5454
5455 if (ioc->spi_data.minSyncFactor < MPT_ULTRA) {
5456 ioc->spi_data.minSyncFactor = MPT_ULTRA;
5457 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5458 "HVD or SE detected, minSyncFactor=%x\n",
5459 ioc->name, ioc->spi_data.minSyncFactor));
5460 }
5461 }
5462 }
5463 if (pbuf) {
5464 pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma);
5465 }
5466 }
5467 }
5468
5469 /* SCSI Port Page 2 - Read the header then the page.
5470 */
5471 header.PageVersion = 0;
5472 header.PageLength = 0;
5473 header.PageNumber = 2;
5474 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT;
5475 cfg.cfghdr.hdr = &header;
5476 cfg.physAddr = -1;
5477 cfg.pageAddr = portnum;
5478 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5479 cfg.dir = 0;
5480 if (mpt_config(ioc, &cfg) != 0)
5481 return -EFAULT;
5482
5483 if (header.PageLength > 0) {
5484 /* Allocate memory and read SCSI Port Page 2
5485 */
5486 pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma);
5487 if (pbuf) {
5488 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_NVRAM;
5489 cfg.physAddr = buf_dma;
5490 if (mpt_config(ioc, &cfg) != 0) {
5491 /* Nvram data is left with INVALID mark
5492 */
5493 rc = 1;
5494 } else if (ioc->pcidev->vendor == PCI_VENDOR_ID_ATTO) {
5495
5496 /* This is an ATTO adapter, read Page2 accordingly
5497 */
5498 ATTO_SCSIPortPage2_t *pPP2 = (ATTO_SCSIPortPage2_t *) pbuf;
5499 ATTODeviceInfo_t *pdevice = NULL;
5500 u16 ATTOFlags;
5501
5502 /* Save the Port Page 2 data
5503 * (reformat into a 32bit quantity)
5504 */
5505 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
5506 pdevice = &pPP2->DeviceSettings[ii];
5507 ATTOFlags = le16_to_cpu(pdevice->ATTOFlags);
5508 data = 0;
5509
5510 /* Translate ATTO device flags to LSI format
5511 */
5512 if (ATTOFlags & ATTOFLAG_DISC)
5513 data |= (MPI_SCSIPORTPAGE2_DEVICE_DISCONNECT_ENABLE);
5514 if (ATTOFlags & ATTOFLAG_ID_ENB)
5515 data |= (MPI_SCSIPORTPAGE2_DEVICE_ID_SCAN_ENABLE);
5516 if (ATTOFlags & ATTOFLAG_LUN_ENB)
5517 data |= (MPI_SCSIPORTPAGE2_DEVICE_LUN_SCAN_ENABLE);
5518 if (ATTOFlags & ATTOFLAG_TAGGED)
5519 data |= (MPI_SCSIPORTPAGE2_DEVICE_TAG_QUEUE_ENABLE);
5520 if (!(ATTOFlags & ATTOFLAG_WIDE_ENB))
5521 data |= (MPI_SCSIPORTPAGE2_DEVICE_WIDE_DISABLE);
5522
5523 data = (data << 16) | (pdevice->Period << 8) | 10;
5524 ioc->spi_data.nvram[ii] = data;
5525 }
5526 } else {
5527 SCSIPortPage2_t *pPP2 = (SCSIPortPage2_t *) pbuf;
5528 MpiDeviceInfo_t *pdevice = NULL;
5529
5530 /*
5531 * Save "Set to Avoid SCSI Bus Resets" flag
5532 */
5533 ioc->spi_data.bus_reset =
5534 (le32_to_cpu(pPP2->PortFlags) &
5535 MPI_SCSIPORTPAGE2_PORT_FLAGS_AVOID_SCSI_RESET) ?
5536 0 : 1 ;
5537
5538 /* Save the Port Page 2 data
5539 * (reformat into a 32bit quantity)
5540 */
5541 data = le32_to_cpu(pPP2->PortFlags) & MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK;
5542 ioc->spi_data.PortFlags = data;
5543 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
5544 pdevice = &pPP2->DeviceSettings[ii];
5545 data = (le16_to_cpu(pdevice->DeviceFlags) << 16) |
5546 (pdevice->SyncFactor << 8) | pdevice->Timeout;
5547 ioc->spi_data.nvram[ii] = data;
5548 }
5549 }
5550
5551 pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma);
5552 }
5553 }
5554
5555 /* Update Adapter limits with those from NVRAM
5556 * Comment: Don't need to do this. Target performance
5557 * parameters will never exceed the adapters limits.
5558 */
5559
5560 return rc;
5561}
5562
5563/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5564/**
5565 * mpt_readScsiDevicePageHeaders - save version and length of SDP1
5566 * @ioc: Pointer to a Adapter Strucutre
5567 * @portnum: IOC port number
5568 *
5569 * Return: -EFAULT if read of config page header fails
5570 * or 0 if success.
5571 */
5572static int
5573mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum)
5574{
5575 CONFIGPARMS cfg;
5576 ConfigPageHeader_t header;
5577
5578 /* Read the SCSI Device Page 1 header
5579 */
5580 header.PageVersion = 0;
5581 header.PageLength = 0;
5582 header.PageNumber = 1;
5583 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
5584 cfg.cfghdr.hdr = &header;
5585 cfg.physAddr = -1;
5586 cfg.pageAddr = portnum;
5587 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5588 cfg.dir = 0;
5589 cfg.timeout = 0;
5590 if (mpt_config(ioc, &cfg) != 0)
5591 return -EFAULT;
5592
5593 ioc->spi_data.sdp1version = cfg.cfghdr.hdr->PageVersion;
5594 ioc->spi_data.sdp1length = cfg.cfghdr.hdr->PageLength;
5595
5596 header.PageVersion = 0;
5597 header.PageLength = 0;
5598 header.PageNumber = 0;
5599 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
5600 if (mpt_config(ioc, &cfg) != 0)
5601 return -EFAULT;
5602
5603 ioc->spi_data.sdp0version = cfg.cfghdr.hdr->PageVersion;
5604 ioc->spi_data.sdp0length = cfg.cfghdr.hdr->PageLength;
5605
5606 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 0: version %d length %d\n",
5607 ioc->name, ioc->spi_data.sdp0version, ioc->spi_data.sdp0length));
5608
5609 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 1: version %d length %d\n",
5610 ioc->name, ioc->spi_data.sdp1version, ioc->spi_data.sdp1length));
5611 return 0;
5612}
5613
5614/**
5615 * mpt_inactive_raid_list_free - This clears this link list.
5616 * @ioc : pointer to per adapter structure
5617 **/
5618static void
5619mpt_inactive_raid_list_free(MPT_ADAPTER *ioc)
5620{
5621 struct inactive_raid_component_info *component_info, *pNext;
5622
5623 if (list_empty(&ioc->raid_data.inactive_list))
5624 return;
5625
5626 mutex_lock(&ioc->raid_data.inactive_list_mutex);
5627 list_for_each_entry_safe(component_info, pNext,
5628 &ioc->raid_data.inactive_list, list) {
5629 list_del(&component_info->list);
5630 kfree(component_info);
5631 }
5632 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
5633}
5634
5635/**
5636 * mpt_inactive_raid_volumes - sets up link list of phy_disk_nums for devices belonging in an inactive volume
5637 *
5638 * @ioc : pointer to per adapter structure
5639 * @channel : volume channel
5640 * @id : volume target id
5641 **/
5642static void
5643mpt_inactive_raid_volumes(MPT_ADAPTER *ioc, u8 channel, u8 id)
5644{
5645 CONFIGPARMS cfg;
5646 ConfigPageHeader_t hdr;
5647 dma_addr_t dma_handle;
5648 pRaidVolumePage0_t buffer = NULL;
5649 int i;
5650 RaidPhysDiskPage0_t phys_disk;
5651 struct inactive_raid_component_info *component_info;
5652 int handle_inactive_volumes;
5653
5654 memset(&cfg, 0 , sizeof(CONFIGPARMS));
5655 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5656 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
5657 cfg.pageAddr = (channel << 8) + id;
5658 cfg.cfghdr.hdr = &hdr;
5659 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5660
5661 if (mpt_config(ioc, &cfg) != 0)
5662 goto out;
5663
5664 if (!hdr.PageLength)
5665 goto out;
5666
5667 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5668 &dma_handle);
5669
5670 if (!buffer)
5671 goto out;
5672
5673 cfg.physAddr = dma_handle;
5674 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5675
5676 if (mpt_config(ioc, &cfg) != 0)
5677 goto out;
5678
5679 if (!buffer->NumPhysDisks)
5680 goto out;
5681
5682 handle_inactive_volumes =
5683 (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE ||
5684 (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED) == 0 ||
5685 buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_FAILED ||
5686 buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_MISSING) ? 1 : 0;
5687
5688 if (!handle_inactive_volumes)
5689 goto out;
5690
5691 mutex_lock(&ioc->raid_data.inactive_list_mutex);
5692 for (i = 0; i < buffer->NumPhysDisks; i++) {
5693 if(mpt_raid_phys_disk_pg0(ioc,
5694 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
5695 continue;
5696
5697 if ((component_info = kmalloc(sizeof (*component_info),
5698 GFP_KERNEL)) == NULL)
5699 continue;
5700
5701 component_info->volumeID = id;
5702 component_info->volumeBus = channel;
5703 component_info->d.PhysDiskNum = phys_disk.PhysDiskNum;
5704 component_info->d.PhysDiskBus = phys_disk.PhysDiskBus;
5705 component_info->d.PhysDiskID = phys_disk.PhysDiskID;
5706 component_info->d.PhysDiskIOC = phys_disk.PhysDiskIOC;
5707
5708 list_add_tail(&component_info->list,
5709 &ioc->raid_data.inactive_list);
5710 }
5711 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
5712
5713 out:
5714 if (buffer)
5715 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5716 dma_handle);
5717}
5718
5719/**
5720 * mpt_raid_phys_disk_pg0 - returns phys disk page zero
5721 * @ioc: Pointer to a Adapter Structure
5722 * @phys_disk_num: io unit unique phys disk num generated by the ioc
5723 * @phys_disk: requested payload data returned
5724 *
5725 * Return:
5726 * 0 on success
5727 * -EFAULT if read of config page header fails or data pointer not NULL
5728 * -ENOMEM if pci_alloc failed
5729 **/
5730int
5731mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num,
5732 RaidPhysDiskPage0_t *phys_disk)
5733{
5734 CONFIGPARMS cfg;
5735 ConfigPageHeader_t hdr;
5736 dma_addr_t dma_handle;
5737 pRaidPhysDiskPage0_t buffer = NULL;
5738 int rc;
5739
5740 memset(&cfg, 0 , sizeof(CONFIGPARMS));
5741 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5742 memset(phys_disk, 0, sizeof(RaidPhysDiskPage0_t));
5743
5744 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE0_PAGEVERSION;
5745 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
5746 cfg.cfghdr.hdr = &hdr;
5747 cfg.physAddr = -1;
5748 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5749
5750 if (mpt_config(ioc, &cfg) != 0) {
5751 rc = -EFAULT;
5752 goto out;
5753 }
5754
5755 if (!hdr.PageLength) {
5756 rc = -EFAULT;
5757 goto out;
5758 }
5759
5760 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5761 &dma_handle);
5762
5763 if (!buffer) {
5764 rc = -ENOMEM;
5765 goto out;
5766 }
5767
5768 cfg.physAddr = dma_handle;
5769 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5770 cfg.pageAddr = phys_disk_num;
5771
5772 if (mpt_config(ioc, &cfg) != 0) {
5773 rc = -EFAULT;
5774 goto out;
5775 }
5776
5777 rc = 0;
5778 memcpy(phys_disk, buffer, sizeof(*buffer));
5779 phys_disk->MaxLBA = le32_to_cpu(buffer->MaxLBA);
5780
5781 out:
5782
5783 if (buffer)
5784 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5785 dma_handle);
5786
5787 return rc;
5788}
5789
5790/**
5791 * mpt_raid_phys_disk_get_num_paths - returns number paths associated to this phys_num
5792 * @ioc: Pointer to a Adapter Structure
5793 * @phys_disk_num: io unit unique phys disk num generated by the ioc
5794 *
5795 * Return:
5796 * returns number paths
5797 **/
5798int
5799mpt_raid_phys_disk_get_num_paths(MPT_ADAPTER *ioc, u8 phys_disk_num)
5800{
5801 CONFIGPARMS cfg;
5802 ConfigPageHeader_t hdr;
5803 dma_addr_t dma_handle;
5804 pRaidPhysDiskPage1_t buffer = NULL;
5805 int rc;
5806
5807 memset(&cfg, 0 , sizeof(CONFIGPARMS));
5808 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5809
5810 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE1_PAGEVERSION;
5811 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
5812 hdr.PageNumber = 1;
5813 cfg.cfghdr.hdr = &hdr;
5814 cfg.physAddr = -1;
5815 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5816
5817 if (mpt_config(ioc, &cfg) != 0) {
5818 rc = 0;
5819 goto out;
5820 }
5821
5822 if (!hdr.PageLength) {
5823 rc = 0;
5824 goto out;
5825 }
5826
5827 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5828 &dma_handle);
5829
5830 if (!buffer) {
5831 rc = 0;
5832 goto out;
5833 }
5834
5835 cfg.physAddr = dma_handle;
5836 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5837 cfg.pageAddr = phys_disk_num;
5838
5839 if (mpt_config(ioc, &cfg) != 0) {
5840 rc = 0;
5841 goto out;
5842 }
5843
5844 rc = buffer->NumPhysDiskPaths;
5845 out:
5846
5847 if (buffer)
5848 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5849 dma_handle);
5850
5851 return rc;
5852}
5853EXPORT_SYMBOL(mpt_raid_phys_disk_get_num_paths);
5854
5855/**
5856 * mpt_raid_phys_disk_pg1 - returns phys disk page 1
5857 * @ioc: Pointer to a Adapter Structure
5858 * @phys_disk_num: io unit unique phys disk num generated by the ioc
5859 * @phys_disk: requested payload data returned
5860 *
5861 * Return:
5862 * 0 on success
5863 * -EFAULT if read of config page header fails or data pointer not NULL
5864 * -ENOMEM if pci_alloc failed
5865 **/
5866int
5867mpt_raid_phys_disk_pg1(MPT_ADAPTER *ioc, u8 phys_disk_num,
5868 RaidPhysDiskPage1_t *phys_disk)
5869{
5870 CONFIGPARMS cfg;
5871 ConfigPageHeader_t hdr;
5872 dma_addr_t dma_handle;
5873 pRaidPhysDiskPage1_t buffer = NULL;
5874 int rc;
5875 int i;
5876 __le64 sas_address;
5877
5878 memset(&cfg, 0 , sizeof(CONFIGPARMS));
5879 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5880 rc = 0;
5881
5882 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE1_PAGEVERSION;
5883 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
5884 hdr.PageNumber = 1;
5885 cfg.cfghdr.hdr = &hdr;
5886 cfg.physAddr = -1;
5887 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5888
5889 if (mpt_config(ioc, &cfg) != 0) {
5890 rc = -EFAULT;
5891 goto out;
5892 }
5893
5894 if (!hdr.PageLength) {
5895 rc = -EFAULT;
5896 goto out;
5897 }
5898
5899 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5900 &dma_handle);
5901
5902 if (!buffer) {
5903 rc = -ENOMEM;
5904 goto out;
5905 }
5906
5907 cfg.physAddr = dma_handle;
5908 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5909 cfg.pageAddr = phys_disk_num;
5910
5911 if (mpt_config(ioc, &cfg) != 0) {
5912 rc = -EFAULT;
5913 goto out;
5914 }
5915
5916 phys_disk->NumPhysDiskPaths = buffer->NumPhysDiskPaths;
5917 phys_disk->PhysDiskNum = phys_disk_num;
5918 for (i = 0; i < phys_disk->NumPhysDiskPaths; i++) {
5919 phys_disk->Path[i].PhysDiskID = buffer->Path[i].PhysDiskID;
5920 phys_disk->Path[i].PhysDiskBus = buffer->Path[i].PhysDiskBus;
5921 phys_disk->Path[i].OwnerIdentifier =
5922 buffer->Path[i].OwnerIdentifier;
5923 phys_disk->Path[i].Flags = le16_to_cpu(buffer->Path[i].Flags);
5924 memcpy(&sas_address, &buffer->Path[i].WWID, sizeof(__le64));
5925 sas_address = le64_to_cpu(sas_address);
5926 memcpy(&phys_disk->Path[i].WWID, &sas_address, sizeof(__le64));
5927 memcpy(&sas_address,
5928 &buffer->Path[i].OwnerWWID, sizeof(__le64));
5929 sas_address = le64_to_cpu(sas_address);
5930 memcpy(&phys_disk->Path[i].OwnerWWID,
5931 &sas_address, sizeof(__le64));
5932 }
5933
5934 out:
5935
5936 if (buffer)
5937 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5938 dma_handle);
5939
5940 return rc;
5941}
5942EXPORT_SYMBOL(mpt_raid_phys_disk_pg1);
5943
5944
5945/**
5946 * mpt_findImVolumes - Identify IDs of hidden disks and RAID Volumes
5947 * @ioc: Pointer to a Adapter Strucutre
5948 *
5949 * Return:
5950 * 0 on success
5951 * -EFAULT if read of config page header fails or data pointer not NULL
5952 * -ENOMEM if pci_alloc failed
5953 **/
5954int
5955mpt_findImVolumes(MPT_ADAPTER *ioc)
5956{
5957 IOCPage2_t *pIoc2;
5958 u8 *mem;
5959 dma_addr_t ioc2_dma;
5960 CONFIGPARMS cfg;
5961 ConfigPageHeader_t header;
5962 int rc = 0;
5963 int iocpage2sz;
5964 int i;
5965
5966 if (!ioc->ir_firmware)
5967 return 0;
5968
5969 /* Free the old page
5970 */
5971 kfree(ioc->raid_data.pIocPg2);
5972 ioc->raid_data.pIocPg2 = NULL;
5973 mpt_inactive_raid_list_free(ioc);
5974
5975 /* Read IOCP2 header then the page.
5976 */
5977 header.PageVersion = 0;
5978 header.PageLength = 0;
5979 header.PageNumber = 2;
5980 header.PageType = MPI_CONFIG_PAGETYPE_IOC;
5981 cfg.cfghdr.hdr = &header;
5982 cfg.physAddr = -1;
5983 cfg.pageAddr = 0;
5984 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5985 cfg.dir = 0;
5986 cfg.timeout = 0;
5987 if (mpt_config(ioc, &cfg) != 0)
5988 return -EFAULT;
5989
5990 if (header.PageLength == 0)
5991 return -EFAULT;
5992
5993 iocpage2sz = header.PageLength * 4;
5994 pIoc2 = pci_alloc_consistent(ioc->pcidev, iocpage2sz, &ioc2_dma);
5995 if (!pIoc2)
5996 return -ENOMEM;
5997
5998 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5999 cfg.physAddr = ioc2_dma;
6000 if (mpt_config(ioc, &cfg) != 0)
6001 goto out;
6002
6003 mem = kmemdup(pIoc2, iocpage2sz, GFP_KERNEL);
6004 if (!mem) {
6005 rc = -ENOMEM;
6006 goto out;
6007 }
6008
6009 ioc->raid_data.pIocPg2 = (IOCPage2_t *) mem;
6010
6011 mpt_read_ioc_pg_3(ioc);
6012
6013 for (i = 0; i < pIoc2->NumActiveVolumes ; i++)
6014 mpt_inactive_raid_volumes(ioc,
6015 pIoc2->RaidVolume[i].VolumeBus,
6016 pIoc2->RaidVolume[i].VolumeID);
6017
6018 out:
6019 pci_free_consistent(ioc->pcidev, iocpage2sz, pIoc2, ioc2_dma);
6020
6021 return rc;
6022}
6023
6024static int
6025mpt_read_ioc_pg_3(MPT_ADAPTER *ioc)
6026{
6027 IOCPage3_t *pIoc3;
6028 u8 *mem;
6029 CONFIGPARMS cfg;
6030 ConfigPageHeader_t header;
6031 dma_addr_t ioc3_dma;
6032 int iocpage3sz = 0;
6033
6034 /* Free the old page
6035 */
6036 kfree(ioc->raid_data.pIocPg3);
6037 ioc->raid_data.pIocPg3 = NULL;
6038
6039 /* There is at least one physical disk.
6040 * Read and save IOC Page 3
6041 */
6042 header.PageVersion = 0;
6043 header.PageLength = 0;
6044 header.PageNumber = 3;
6045 header.PageType = MPI_CONFIG_PAGETYPE_IOC;
6046 cfg.cfghdr.hdr = &header;
6047 cfg.physAddr = -1;
6048 cfg.pageAddr = 0;
6049 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
6050 cfg.dir = 0;
6051 cfg.timeout = 0;
6052 if (mpt_config(ioc, &cfg) != 0)
6053 return 0;
6054
6055 if (header.PageLength == 0)
6056 return 0;
6057
6058 /* Read Header good, alloc memory
6059 */
6060 iocpage3sz = header.PageLength * 4;
6061 pIoc3 = pci_alloc_consistent(ioc->pcidev, iocpage3sz, &ioc3_dma);
6062 if (!pIoc3)
6063 return 0;
6064
6065 /* Read the Page and save the data
6066 * into malloc'd memory.
6067 */
6068 cfg.physAddr = ioc3_dma;
6069 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6070 if (mpt_config(ioc, &cfg) == 0) {
6071 mem = kmalloc(iocpage3sz, GFP_KERNEL);
6072 if (mem) {
6073 memcpy(mem, (u8 *)pIoc3, iocpage3sz);
6074 ioc->raid_data.pIocPg3 = (IOCPage3_t *) mem;
6075 }
6076 }
6077
6078 pci_free_consistent(ioc->pcidev, iocpage3sz, pIoc3, ioc3_dma);
6079
6080 return 0;
6081}
6082
6083static void
6084mpt_read_ioc_pg_4(MPT_ADAPTER *ioc)
6085{
6086 IOCPage4_t *pIoc4;
6087 CONFIGPARMS cfg;
6088 ConfigPageHeader_t header;
6089 dma_addr_t ioc4_dma;
6090 int iocpage4sz;
6091
6092 /* Read and save IOC Page 4
6093 */
6094 header.PageVersion = 0;
6095 header.PageLength = 0;
6096 header.PageNumber = 4;
6097 header.PageType = MPI_CONFIG_PAGETYPE_IOC;
6098 cfg.cfghdr.hdr = &header;
6099 cfg.physAddr = -1;
6100 cfg.pageAddr = 0;
6101 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
6102 cfg.dir = 0;
6103 cfg.timeout = 0;
6104 if (mpt_config(ioc, &cfg) != 0)
6105 return;
6106
6107 if (header.PageLength == 0)
6108 return;
6109
6110 if ( (pIoc4 = ioc->spi_data.pIocPg4) == NULL ) {
6111 iocpage4sz = (header.PageLength + 4) * 4; /* Allow 4 additional SEP's */
6112 pIoc4 = pci_alloc_consistent(ioc->pcidev, iocpage4sz, &ioc4_dma);
6113 if (!pIoc4)
6114 return;
6115 ioc->alloc_total += iocpage4sz;
6116 } else {
6117 ioc4_dma = ioc->spi_data.IocPg4_dma;
6118 iocpage4sz = ioc->spi_data.IocPg4Sz;
6119 }
6120
6121 /* Read the Page into dma memory.
6122 */
6123 cfg.physAddr = ioc4_dma;
6124 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6125 if (mpt_config(ioc, &cfg) == 0) {
6126 ioc->spi_data.pIocPg4 = (IOCPage4_t *) pIoc4;
6127 ioc->spi_data.IocPg4_dma = ioc4_dma;
6128 ioc->spi_data.IocPg4Sz = iocpage4sz;
6129 } else {
6130 pci_free_consistent(ioc->pcidev, iocpage4sz, pIoc4, ioc4_dma);
6131 ioc->spi_data.pIocPg4 = NULL;
6132 ioc->alloc_total -= iocpage4sz;
6133 }
6134}
6135
6136static void
6137mpt_read_ioc_pg_1(MPT_ADAPTER *ioc)
6138{
6139 IOCPage1_t *pIoc1;
6140 CONFIGPARMS cfg;
6141 ConfigPageHeader_t header;
6142 dma_addr_t ioc1_dma;
6143 int iocpage1sz = 0;
6144 u32 tmp;
6145
6146 /* Check the Coalescing Timeout in IOC Page 1
6147 */
6148 header.PageVersion = 0;
6149 header.PageLength = 0;
6150 header.PageNumber = 1;
6151 header.PageType = MPI_CONFIG_PAGETYPE_IOC;
6152 cfg.cfghdr.hdr = &header;
6153 cfg.physAddr = -1;
6154 cfg.pageAddr = 0;
6155 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
6156 cfg.dir = 0;
6157 cfg.timeout = 0;
6158 if (mpt_config(ioc, &cfg) != 0)
6159 return;
6160
6161 if (header.PageLength == 0)
6162 return;
6163
6164 /* Read Header good, alloc memory
6165 */
6166 iocpage1sz = header.PageLength * 4;
6167 pIoc1 = pci_alloc_consistent(ioc->pcidev, iocpage1sz, &ioc1_dma);
6168 if (!pIoc1)
6169 return;
6170
6171 /* Read the Page and check coalescing timeout
6172 */
6173 cfg.physAddr = ioc1_dma;
6174 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6175 if (mpt_config(ioc, &cfg) == 0) {
6176
6177 tmp = le32_to_cpu(pIoc1->Flags) & MPI_IOCPAGE1_REPLY_COALESCING;
6178 if (tmp == MPI_IOCPAGE1_REPLY_COALESCING) {
6179 tmp = le32_to_cpu(pIoc1->CoalescingTimeout);
6180
6181 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Coalescing Enabled Timeout = %d\n",
6182 ioc->name, tmp));
6183
6184 if (tmp > MPT_COALESCING_TIMEOUT) {
6185 pIoc1->CoalescingTimeout = cpu_to_le32(MPT_COALESCING_TIMEOUT);
6186
6187 /* Write NVRAM and current
6188 */
6189 cfg.dir = 1;
6190 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
6191 if (mpt_config(ioc, &cfg) == 0) {
6192 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Reset Current Coalescing Timeout to = %d\n",
6193 ioc->name, MPT_COALESCING_TIMEOUT));
6194
6195 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM;
6196 if (mpt_config(ioc, &cfg) == 0) {
6197 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6198 "Reset NVRAM Coalescing Timeout to = %d\n",
6199 ioc->name, MPT_COALESCING_TIMEOUT));
6200 } else {
6201 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6202 "Reset NVRAM Coalescing Timeout Failed\n",
6203 ioc->name));
6204 }
6205
6206 } else {
6207 dprintk(ioc, printk(MYIOC_s_WARN_FMT
6208 "Reset of Current Coalescing Timeout Failed!\n",
6209 ioc->name));
6210 }
6211 }
6212
6213 } else {
6214 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Coalescing Disabled\n", ioc->name));
6215 }
6216 }
6217
6218 pci_free_consistent(ioc->pcidev, iocpage1sz, pIoc1, ioc1_dma);
6219
6220 return;
6221}
6222
6223static void
6224mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc)
6225{
6226 CONFIGPARMS cfg;
6227 ConfigPageHeader_t hdr;
6228 dma_addr_t buf_dma;
6229 ManufacturingPage0_t *pbuf = NULL;
6230
6231 memset(&cfg, 0 , sizeof(CONFIGPARMS));
6232 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
6233
6234 hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING;
6235 cfg.cfghdr.hdr = &hdr;
6236 cfg.physAddr = -1;
6237 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
6238 cfg.timeout = 10;
6239
6240 if (mpt_config(ioc, &cfg) != 0)
6241 goto out;
6242
6243 if (!cfg.cfghdr.hdr->PageLength)
6244 goto out;
6245
6246 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6247 pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma);
6248 if (!pbuf)
6249 goto out;
6250
6251 cfg.physAddr = buf_dma;
6252
6253 if (mpt_config(ioc, &cfg) != 0)
6254 goto out;
6255
6256 memcpy(ioc->board_name, pbuf->BoardName, sizeof(ioc->board_name));
6257 memcpy(ioc->board_assembly, pbuf->BoardAssembly, sizeof(ioc->board_assembly));
6258 memcpy(ioc->board_tracer, pbuf->BoardTracerNumber, sizeof(ioc->board_tracer));
6259
6260out:
6261
6262 if (pbuf)
6263 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma);
6264}
6265
6266/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6267/**
6268 * SendEventNotification - Send EventNotification (on or off) request to adapter
6269 * @ioc: Pointer to MPT_ADAPTER structure
6270 * @EvSwitch: Event switch flags
6271 * @sleepFlag: Specifies whether the process can sleep
6272 */
6273static int
6274SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch, int sleepFlag)
6275{
6276 EventNotification_t evn;
6277 MPIDefaultReply_t reply_buf;
6278
6279 memset(&evn, 0, sizeof(EventNotification_t));
6280 memset(&reply_buf, 0, sizeof(MPIDefaultReply_t));
6281
6282 evn.Function = MPI_FUNCTION_EVENT_NOTIFICATION;
6283 evn.Switch = EvSwitch;
6284 evn.MsgContext = cpu_to_le32(mpt_base_index << 16);
6285
6286 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6287 "Sending EventNotification (%d) request %p\n",
6288 ioc->name, EvSwitch, &evn));
6289
6290 return mpt_handshake_req_reply_wait(ioc, sizeof(EventNotification_t),
6291 (u32 *)&evn, sizeof(MPIDefaultReply_t), (u16 *)&reply_buf, 30,
6292 sleepFlag);
6293}
6294
6295/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6296/**
6297 * SendEventAck - Send EventAck request to MPT adapter.
6298 * @ioc: Pointer to MPT_ADAPTER structure
6299 * @evnp: Pointer to original EventNotification request
6300 */
6301static int
6302SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp)
6303{
6304 EventAck_t *pAck;
6305
6306 if ((pAck = (EventAck_t *) mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
6307 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s, no msg frames!!\n",
6308 ioc->name, __func__));
6309 return -1;
6310 }
6311
6312 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending EventAck\n", ioc->name));
6313
6314 pAck->Function = MPI_FUNCTION_EVENT_ACK;
6315 pAck->ChainOffset = 0;
6316 pAck->Reserved[0] = pAck->Reserved[1] = 0;
6317 pAck->MsgFlags = 0;
6318 pAck->Reserved1[0] = pAck->Reserved1[1] = pAck->Reserved1[2] = 0;
6319 pAck->Event = evnp->Event;
6320 pAck->EventContext = evnp->EventContext;
6321
6322 mpt_put_msg_frame(mpt_base_index, ioc, (MPT_FRAME_HDR *)pAck);
6323
6324 return 0;
6325}
6326
6327/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6328/**
6329 * mpt_config - Generic function to issue config message
6330 * @ioc: Pointer to an adapter structure
6331 * @pCfg: Pointer to a configuration structure. Struct contains
6332 * action, page address, direction, physical address
6333 * and pointer to a configuration page header
6334 * Page header is updated.
6335 *
6336 * Returns 0 for success
6337 * -EAGAIN if no msg frames currently available
6338 * -EFAULT for non-successful reply or no reply (timeout)
6339 */
6340int
6341mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
6342{
6343 Config_t *pReq;
6344 ConfigReply_t *pReply;
6345 ConfigExtendedPageHeader_t *pExtHdr = NULL;
6346 MPT_FRAME_HDR *mf;
6347 int ii;
6348 int flagsLength;
6349 long timeout;
6350 int ret;
6351 u8 page_type = 0, extend_page;
6352 unsigned long timeleft;
6353 unsigned long flags;
6354 u8 issue_hard_reset = 0;
6355 u8 retry_count = 0;
6356
6357 might_sleep();
6358
6359 /* don't send a config page during diag reset */
6360 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6361 if (ioc->ioc_reset_in_progress) {
6362 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6363 "%s: busy with host reset\n", ioc->name, __func__));
6364 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6365 return -EBUSY;
6366 }
6367 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6368
6369 /* don't send if no chance of success */
6370 if (!ioc->active ||
6371 mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_OPERATIONAL) {
6372 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6373 "%s: ioc not operational, %d, %xh\n",
6374 ioc->name, __func__, ioc->active,
6375 mpt_GetIocState(ioc, 0)));
6376 return -EFAULT;
6377 }
6378
6379 retry_config:
6380 mutex_lock(&ioc->mptbase_cmds.mutex);
6381 /* init the internal cmd struct */
6382 memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE);
6383 INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status)
6384
6385 /* Get and Populate a free Frame
6386 */
6387 if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
6388 dcprintk(ioc, printk(MYIOC_s_WARN_FMT
6389 "mpt_config: no msg frames!\n", ioc->name));
6390 ret = -EAGAIN;
6391 goto out;
6392 }
6393
6394 pReq = (Config_t *)mf;
6395 pReq->Action = pCfg->action;
6396 pReq->Reserved = 0;
6397 pReq->ChainOffset = 0;
6398 pReq->Function = MPI_FUNCTION_CONFIG;
6399
6400 /* Assume page type is not extended and clear "reserved" fields. */
6401 pReq->ExtPageLength = 0;
6402 pReq->ExtPageType = 0;
6403 pReq->MsgFlags = 0;
6404
6405 for (ii=0; ii < 8; ii++)
6406 pReq->Reserved2[ii] = 0;
6407
6408 pReq->Header.PageVersion = pCfg->cfghdr.hdr->PageVersion;
6409 pReq->Header.PageLength = pCfg->cfghdr.hdr->PageLength;
6410 pReq->Header.PageNumber = pCfg->cfghdr.hdr->PageNumber;
6411 pReq->Header.PageType = (pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK);
6412
6413 if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) == MPI_CONFIG_PAGETYPE_EXTENDED) {
6414 pExtHdr = (ConfigExtendedPageHeader_t *)pCfg->cfghdr.ehdr;
6415 pReq->ExtPageLength = cpu_to_le16(pExtHdr->ExtPageLength);
6416 pReq->ExtPageType = pExtHdr->ExtPageType;
6417 pReq->Header.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
6418
6419 /* Page Length must be treated as a reserved field for the
6420 * extended header.
6421 */
6422 pReq->Header.PageLength = 0;
6423 }
6424
6425 pReq->PageAddress = cpu_to_le32(pCfg->pageAddr);
6426
6427 /* Add a SGE to the config request.
6428 */
6429 if (pCfg->dir)
6430 flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE;
6431 else
6432 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ;
6433
6434 if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) ==
6435 MPI_CONFIG_PAGETYPE_EXTENDED) {
6436 flagsLength |= pExtHdr->ExtPageLength * 4;
6437 page_type = pReq->ExtPageType;
6438 extend_page = 1;
6439 } else {
6440 flagsLength |= pCfg->cfghdr.hdr->PageLength * 4;
6441 page_type = pReq->Header.PageType;
6442 extend_page = 0;
6443 }
6444
6445 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6446 "Sending Config request type 0x%x, page 0x%x and action %d\n",
6447 ioc->name, page_type, pReq->Header.PageNumber, pReq->Action));
6448
6449 ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, pCfg->physAddr);
6450 timeout = (pCfg->timeout < 15) ? HZ*15 : HZ*pCfg->timeout;
6451 mpt_put_msg_frame(mpt_base_index, ioc, mf);
6452 timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done,
6453 timeout);
6454 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
6455 ret = -ETIME;
6456 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6457 "Failed Sending Config request type 0x%x, page 0x%x,"
6458 " action %d, status %xh, time left %ld\n\n",
6459 ioc->name, page_type, pReq->Header.PageNumber,
6460 pReq->Action, ioc->mptbase_cmds.status, timeleft));
6461 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
6462 goto out;
6463 if (!timeleft) {
6464 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6465 if (ioc->ioc_reset_in_progress) {
6466 spin_unlock_irqrestore(&ioc->taskmgmt_lock,
6467 flags);
6468 printk(MYIOC_s_INFO_FMT "%s: host reset in"
6469 " progress mpt_config timed out.!!\n",
6470 __func__, ioc->name);
6471 mutex_unlock(&ioc->mptbase_cmds.mutex);
6472 return -EFAULT;
6473 }
6474 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6475 issue_hard_reset = 1;
6476 }
6477 goto out;
6478 }
6479
6480 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
6481 ret = -1;
6482 goto out;
6483 }
6484 pReply = (ConfigReply_t *)ioc->mptbase_cmds.reply;
6485 ret = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
6486 if (ret == MPI_IOCSTATUS_SUCCESS) {
6487 if (extend_page) {
6488 pCfg->cfghdr.ehdr->ExtPageLength =
6489 le16_to_cpu(pReply->ExtPageLength);
6490 pCfg->cfghdr.ehdr->ExtPageType =
6491 pReply->ExtPageType;
6492 }
6493 pCfg->cfghdr.hdr->PageVersion = pReply->Header.PageVersion;
6494 pCfg->cfghdr.hdr->PageLength = pReply->Header.PageLength;
6495 pCfg->cfghdr.hdr->PageNumber = pReply->Header.PageNumber;
6496 pCfg->cfghdr.hdr->PageType = pReply->Header.PageType;
6497
6498 }
6499
6500 if (retry_count)
6501 printk(MYIOC_s_INFO_FMT "Retry completed "
6502 "ret=0x%x timeleft=%ld\n",
6503 ioc->name, ret, timeleft);
6504
6505 dcprintk(ioc, printk(KERN_DEBUG "IOCStatus=%04xh, IOCLogInfo=%08xh\n",
6506 ret, le32_to_cpu(pReply->IOCLogInfo)));
6507
6508out:
6509
6510 CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status)
6511 mutex_unlock(&ioc->mptbase_cmds.mutex);
6512 if (issue_hard_reset) {
6513 issue_hard_reset = 0;
6514 printk(MYIOC_s_WARN_FMT
6515 "Issuing Reset from %s!!, doorbell=0x%08x\n",
6516 ioc->name, __func__, mpt_GetIocState(ioc, 0));
6517 if (retry_count == 0) {
6518 if (mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP) != 0)
6519 retry_count++;
6520 } else
6521 mpt_HardResetHandler(ioc, CAN_SLEEP);
6522
6523 mpt_free_msg_frame(ioc, mf);
6524 /* attempt one retry for a timed out command */
6525 if (retry_count < 2) {
6526 printk(MYIOC_s_INFO_FMT
6527 "Attempting Retry Config request"
6528 " type 0x%x, page 0x%x,"
6529 " action %d\n", ioc->name, page_type,
6530 pCfg->cfghdr.hdr->PageNumber, pCfg->action);
6531 retry_count++;
6532 goto retry_config;
6533 }
6534 }
6535 return ret;
6536
6537}
6538
6539/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6540/**
6541 * mpt_ioc_reset - Base cleanup for hard reset
6542 * @ioc: Pointer to the adapter structure
6543 * @reset_phase: Indicates pre- or post-reset functionality
6544 *
6545 * Remark: Frees resources with internally generated commands.
6546 */
6547static int
6548mpt_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
6549{
6550 switch (reset_phase) {
6551 case MPT_IOC_SETUP_RESET:
6552 ioc->taskmgmt_quiesce_io = 1;
6553 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6554 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
6555 break;
6556 case MPT_IOC_PRE_RESET:
6557 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6558 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
6559 break;
6560 case MPT_IOC_POST_RESET:
6561 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6562 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
6563/* wake up mptbase_cmds */
6564 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) {
6565 ioc->mptbase_cmds.status |=
6566 MPT_MGMT_STATUS_DID_IOCRESET;
6567 complete(&ioc->mptbase_cmds.done);
6568 }
6569/* wake up taskmgmt_cmds */
6570 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
6571 ioc->taskmgmt_cmds.status |=
6572 MPT_MGMT_STATUS_DID_IOCRESET;
6573 complete(&ioc->taskmgmt_cmds.done);
6574 }
6575 break;
6576 default:
6577 break;
6578 }
6579
6580 return 1; /* currently means nothing really */
6581}
6582
6583
6584#ifdef CONFIG_PROC_FS /* { */
6585/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6586/*
6587 * procfs (%MPT_PROCFS_MPTBASEDIR/...) support stuff...
6588 */
6589/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6590/**
6591 * procmpt_create - Create %MPT_PROCFS_MPTBASEDIR entries.
6592 *
6593 * Returns 0 for success, non-zero for failure.
6594 */
6595static int
6596procmpt_create(void)
6597{
6598 mpt_proc_root_dir = proc_mkdir(MPT_PROCFS_MPTBASEDIR, NULL);
6599 if (mpt_proc_root_dir == NULL)
6600 return -ENOTDIR;
6601
6602 proc_create_single("summary", S_IRUGO, mpt_proc_root_dir,
6603 mpt_summary_proc_show);
6604 proc_create_single("version", S_IRUGO, mpt_proc_root_dir,
6605 mpt_version_proc_show);
6606 return 0;
6607}
6608
6609/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6610/**
6611 * procmpt_destroy - Tear down %MPT_PROCFS_MPTBASEDIR entries.
6612 *
6613 * Returns 0 for success, non-zero for failure.
6614 */
6615static void
6616procmpt_destroy(void)
6617{
6618 remove_proc_entry("version", mpt_proc_root_dir);
6619 remove_proc_entry("summary", mpt_proc_root_dir);
6620 remove_proc_entry(MPT_PROCFS_MPTBASEDIR, NULL);
6621}
6622
6623/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6624/*
6625 * Handles read request from /proc/mpt/summary or /proc/mpt/iocN/summary.
6626 */
6627static void seq_mpt_print_ioc_summary(MPT_ADAPTER *ioc, struct seq_file *m, int showlan);
6628
6629static int mpt_summary_proc_show(struct seq_file *m, void *v)
6630{
6631 MPT_ADAPTER *ioc = m->private;
6632
6633 if (ioc) {
6634 seq_mpt_print_ioc_summary(ioc, m, 1);
6635 } else {
6636 list_for_each_entry(ioc, &ioc_list, list) {
6637 seq_mpt_print_ioc_summary(ioc, m, 1);
6638 }
6639 }
6640
6641 return 0;
6642}
6643
6644static int mpt_version_proc_show(struct seq_file *m, void *v)
6645{
6646 u8 cb_idx;
6647 int scsi, fc, sas, lan, ctl, targ, dmp;
6648 char *drvname;
6649
6650 seq_printf(m, "%s-%s\n", "mptlinux", MPT_LINUX_VERSION_COMMON);
6651 seq_printf(m, " Fusion MPT base driver\n");
6652
6653 scsi = fc = sas = lan = ctl = targ = dmp = 0;
6654 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
6655 drvname = NULL;
6656 if (MptCallbacks[cb_idx]) {
6657 switch (MptDriverClass[cb_idx]) {
6658 case MPTSPI_DRIVER:
6659 if (!scsi++) drvname = "SPI host";
6660 break;
6661 case MPTFC_DRIVER:
6662 if (!fc++) drvname = "FC host";
6663 break;
6664 case MPTSAS_DRIVER:
6665 if (!sas++) drvname = "SAS host";
6666 break;
6667 case MPTLAN_DRIVER:
6668 if (!lan++) drvname = "LAN";
6669 break;
6670 case MPTSTM_DRIVER:
6671 if (!targ++) drvname = "SCSI target";
6672 break;
6673 case MPTCTL_DRIVER:
6674 if (!ctl++) drvname = "ioctl";
6675 break;
6676 }
6677
6678 if (drvname)
6679 seq_printf(m, " Fusion MPT %s driver\n", drvname);
6680 }
6681 }
6682
6683 return 0;
6684}
6685
6686static int mpt_iocinfo_proc_show(struct seq_file *m, void *v)
6687{
6688 MPT_ADAPTER *ioc = m->private;
6689 char expVer[32];
6690 int sz;
6691 int p;
6692
6693 mpt_get_fw_exp_ver(expVer, ioc);
6694
6695 seq_printf(m, "%s:", ioc->name);
6696 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)
6697 seq_printf(m, " (f/w download boot flag set)");
6698// if (ioc->facts.IOCExceptions & MPI_IOCFACTS_EXCEPT_CONFIG_CHECKSUM_FAIL)
6699// seq_printf(m, " CONFIG_CHECKSUM_FAIL!");
6700
6701 seq_printf(m, "\n ProductID = 0x%04x (%s)\n",
6702 ioc->facts.ProductID,
6703 ioc->prod_name);
6704 seq_printf(m, " FWVersion = 0x%08x%s", ioc->facts.FWVersion.Word, expVer);
6705 if (ioc->facts.FWImageSize)
6706 seq_printf(m, " (fw_size=%d)", ioc->facts.FWImageSize);
6707 seq_printf(m, "\n MsgVersion = 0x%04x\n", ioc->facts.MsgVersion);
6708 seq_printf(m, " FirstWhoInit = 0x%02x\n", ioc->FirstWhoInit);
6709 seq_printf(m, " EventState = 0x%02x\n", ioc->facts.EventState);
6710
6711 seq_printf(m, " CurrentHostMfaHighAddr = 0x%08x\n",
6712 ioc->facts.CurrentHostMfaHighAddr);
6713 seq_printf(m, " CurrentSenseBufferHighAddr = 0x%08x\n",
6714 ioc->facts.CurrentSenseBufferHighAddr);
6715
6716 seq_printf(m, " MaxChainDepth = 0x%02x frames\n", ioc->facts.MaxChainDepth);
6717 seq_printf(m, " MinBlockSize = 0x%02x bytes\n", 4*ioc->facts.BlockSize);
6718
6719 seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n",
6720 (void *)ioc->req_frames, (void *)(ulong)ioc->req_frames_dma);
6721 /*
6722 * Rounding UP to nearest 4-kB boundary here...
6723 */
6724 sz = (ioc->req_sz * ioc->req_depth) + 128;
6725 sz = ((sz + 0x1000UL - 1UL) / 0x1000) * 0x1000;
6726 seq_printf(m, " {CurReqSz=%d} x {CurReqDepth=%d} = %d bytes ^= 0x%x\n",
6727 ioc->req_sz, ioc->req_depth, ioc->req_sz*ioc->req_depth, sz);
6728 seq_printf(m, " {MaxReqSz=%d} {MaxReqDepth=%d}\n",
6729 4*ioc->facts.RequestFrameSize,
6730 ioc->facts.GlobalCredits);
6731
6732 seq_printf(m, " Frames @ 0x%p (Dma @ 0x%p)\n",
6733 (void *)ioc->alloc, (void *)(ulong)ioc->alloc_dma);
6734 sz = (ioc->reply_sz * ioc->reply_depth) + 128;
6735 seq_printf(m, " {CurRepSz=%d} x {CurRepDepth=%d} = %d bytes ^= 0x%x\n",
6736 ioc->reply_sz, ioc->reply_depth, ioc->reply_sz*ioc->reply_depth, sz);
6737 seq_printf(m, " {MaxRepSz=%d} {MaxRepDepth=%d}\n",
6738 ioc->facts.CurReplyFrameSize,
6739 ioc->facts.ReplyQueueDepth);
6740
6741 seq_printf(m, " MaxDevices = %d\n",
6742 (ioc->facts.MaxDevices==0) ? 255 : ioc->facts.MaxDevices);
6743 seq_printf(m, " MaxBuses = %d\n", ioc->facts.MaxBuses);
6744
6745 /* per-port info */
6746 for (p=0; p < ioc->facts.NumberOfPorts; p++) {
6747 seq_printf(m, " PortNumber = %d (of %d)\n",
6748 p+1,
6749 ioc->facts.NumberOfPorts);
6750 if (ioc->bus_type == FC) {
6751 if (ioc->pfacts[p].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) {
6752 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
6753 seq_printf(m, " LanAddr = %pMR\n", a);
6754 }
6755 seq_printf(m, " WWN = %08X%08X:%08X%08X\n",
6756 ioc->fc_port_page0[p].WWNN.High,
6757 ioc->fc_port_page0[p].WWNN.Low,
6758 ioc->fc_port_page0[p].WWPN.High,
6759 ioc->fc_port_page0[p].WWPN.Low);
6760 }
6761 }
6762
6763 return 0;
6764}
6765#endif /* CONFIG_PROC_FS } */
6766
6767/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6768static void
6769mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc)
6770{
6771 buf[0] ='\0';
6772 if ((ioc->facts.FWVersion.Word >> 24) == 0x0E) {
6773 sprintf(buf, " (Exp %02d%02d)",
6774 (ioc->facts.FWVersion.Word >> 16) & 0x00FF, /* Month */
6775 (ioc->facts.FWVersion.Word >> 8) & 0x1F); /* Day */
6776
6777 /* insider hack! */
6778 if ((ioc->facts.FWVersion.Word >> 8) & 0x80)
6779 strcat(buf, " [MDBG]");
6780 }
6781}
6782
6783/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6784/**
6785 * mpt_print_ioc_summary - Write ASCII summary of IOC to a buffer.
6786 * @ioc: Pointer to MPT_ADAPTER structure
6787 * @buffer: Pointer to buffer where IOC summary info should be written
6788 * @size: Pointer to number of bytes we wrote (set by this routine)
6789 * @len: Offset at which to start writing in buffer
6790 * @showlan: Display LAN stuff?
6791 *
6792 * This routine writes (english readable) ASCII text, which represents
6793 * a summary of IOC information, to a buffer.
6794 */
6795void
6796mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buffer, int *size, int len, int showlan)
6797{
6798 char expVer[32];
6799 int y;
6800
6801 mpt_get_fw_exp_ver(expVer, ioc);
6802
6803 /*
6804 * Shorter summary of attached ioc's...
6805 */
6806 y = sprintf(buffer+len, "%s: %s, %s%08xh%s, Ports=%d, MaxQ=%d",
6807 ioc->name,
6808 ioc->prod_name,
6809 MPT_FW_REV_MAGIC_ID_STRING, /* "FwRev=" or somesuch */
6810 ioc->facts.FWVersion.Word,
6811 expVer,
6812 ioc->facts.NumberOfPorts,
6813 ioc->req_depth);
6814
6815 if (showlan && (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) {
6816 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
6817 y += sprintf(buffer+len+y, ", LanAddr=%pMR", a);
6818 }
6819
6820 y += sprintf(buffer+len+y, ", IRQ=%d", ioc->pci_irq);
6821
6822 if (!ioc->active)
6823 y += sprintf(buffer+len+y, " (disabled)");
6824
6825 y += sprintf(buffer+len+y, "\n");
6826
6827 *size = y;
6828}
6829
6830#ifdef CONFIG_PROC_FS
6831static void seq_mpt_print_ioc_summary(MPT_ADAPTER *ioc, struct seq_file *m, int showlan)
6832{
6833 char expVer[32];
6834
6835 mpt_get_fw_exp_ver(expVer, ioc);
6836
6837 /*
6838 * Shorter summary of attached ioc's...
6839 */
6840 seq_printf(m, "%s: %s, %s%08xh%s, Ports=%d, MaxQ=%d",
6841 ioc->name,
6842 ioc->prod_name,
6843 MPT_FW_REV_MAGIC_ID_STRING, /* "FwRev=" or somesuch */
6844 ioc->facts.FWVersion.Word,
6845 expVer,
6846 ioc->facts.NumberOfPorts,
6847 ioc->req_depth);
6848
6849 if (showlan && (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) {
6850 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
6851 seq_printf(m, ", LanAddr=%pMR", a);
6852 }
6853
6854 seq_printf(m, ", IRQ=%d", ioc->pci_irq);
6855
6856 if (!ioc->active)
6857 seq_printf(m, " (disabled)");
6858
6859 seq_putc(m, '\n');
6860}
6861#endif
6862
6863/**
6864 * mpt_set_taskmgmt_in_progress_flag - set flags associated with task management
6865 * @ioc: Pointer to MPT_ADAPTER structure
6866 *
6867 * Returns 0 for SUCCESS or -1 if FAILED.
6868 *
6869 * If -1 is return, then it was not possible to set the flags
6870 **/
6871int
6872mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc)
6873{
6874 unsigned long flags;
6875 int retval;
6876
6877 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6878 if (ioc->ioc_reset_in_progress || ioc->taskmgmt_in_progress ||
6879 (ioc->alt_ioc && ioc->alt_ioc->taskmgmt_in_progress)) {
6880 retval = -1;
6881 goto out;
6882 }
6883 retval = 0;
6884 ioc->taskmgmt_in_progress = 1;
6885 ioc->taskmgmt_quiesce_io = 1;
6886 if (ioc->alt_ioc) {
6887 ioc->alt_ioc->taskmgmt_in_progress = 1;
6888 ioc->alt_ioc->taskmgmt_quiesce_io = 1;
6889 }
6890 out:
6891 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6892 return retval;
6893}
6894EXPORT_SYMBOL(mpt_set_taskmgmt_in_progress_flag);
6895
6896/**
6897 * mpt_clear_taskmgmt_in_progress_flag - clear flags associated with task management
6898 * @ioc: Pointer to MPT_ADAPTER structure
6899 *
6900 **/
6901void
6902mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc)
6903{
6904 unsigned long flags;
6905
6906 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6907 ioc->taskmgmt_in_progress = 0;
6908 ioc->taskmgmt_quiesce_io = 0;
6909 if (ioc->alt_ioc) {
6910 ioc->alt_ioc->taskmgmt_in_progress = 0;
6911 ioc->alt_ioc->taskmgmt_quiesce_io = 0;
6912 }
6913 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6914}
6915EXPORT_SYMBOL(mpt_clear_taskmgmt_in_progress_flag);
6916
6917
6918/**
6919 * mpt_halt_firmware - Halts the firmware if it is operational and panic
6920 * the kernel
6921 * @ioc: Pointer to MPT_ADAPTER structure
6922 *
6923 **/
6924void
6925mpt_halt_firmware(MPT_ADAPTER *ioc)
6926{
6927 u32 ioc_raw_state;
6928
6929 ioc_raw_state = mpt_GetIocState(ioc, 0);
6930
6931 if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) {
6932 printk(MYIOC_s_ERR_FMT "IOC is in FAULT state (%04xh)!!!\n",
6933 ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK);
6934 panic("%s: IOC Fault (%04xh)!!!\n", ioc->name,
6935 ioc_raw_state & MPI_DOORBELL_DATA_MASK);
6936 } else {
6937 CHIPREG_WRITE32(&ioc->chip->Doorbell, 0xC0FFEE00);
6938 panic("%s: Firmware is halted due to command timeout\n",
6939 ioc->name);
6940 }
6941}
6942EXPORT_SYMBOL(mpt_halt_firmware);
6943
6944/**
6945 * mpt_SoftResetHandler - Issues a less expensive reset
6946 * @ioc: Pointer to MPT_ADAPTER structure
6947 * @sleepFlag: Indicates if sleep or schedule must be called.
6948 *
6949 * Returns 0 for SUCCESS or -1 if FAILED.
6950 *
6951 * Message Unit Reset - instructs the IOC to reset the Reply Post and
6952 * Free FIFO's. All the Message Frames on Reply Free FIFO are discarded.
6953 * All posted buffers are freed, and event notification is turned off.
6954 * IOC doesn't reply to any outstanding request. This will transfer IOC
6955 * to READY state.
6956 **/
6957static int
6958mpt_SoftResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
6959{
6960 int rc;
6961 int ii;
6962 u8 cb_idx;
6963 unsigned long flags;
6964 u32 ioc_state;
6965 unsigned long time_count;
6966
6967 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SoftResetHandler Entered!\n",
6968 ioc->name));
6969
6970 ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK;
6971
6972 if (mpt_fwfault_debug)
6973 mpt_halt_firmware(ioc);
6974
6975 if (ioc_state == MPI_IOC_STATE_FAULT ||
6976 ioc_state == MPI_IOC_STATE_RESET) {
6977 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6978 "skipping, either in FAULT or RESET state!\n", ioc->name));
6979 return -1;
6980 }
6981
6982 if (ioc->bus_type == FC) {
6983 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6984 "skipping, because the bus type is FC!\n", ioc->name));
6985 return -1;
6986 }
6987
6988 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6989 if (ioc->ioc_reset_in_progress) {
6990 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6991 return -1;
6992 }
6993 ioc->ioc_reset_in_progress = 1;
6994 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6995
6996 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
6997 if (MptResetHandlers[cb_idx])
6998 mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET);
6999 }
7000
7001 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
7002 if (ioc->taskmgmt_in_progress) {
7003 ioc->ioc_reset_in_progress = 0;
7004 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7005 return -1;
7006 }
7007 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7008 /* Disable reply interrupts (also blocks FreeQ) */
7009 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
7010 ioc->active = 0;
7011 time_count = jiffies;
7012
7013 rc = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag);
7014
7015 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7016 if (MptResetHandlers[cb_idx])
7017 mpt_signal_reset(cb_idx, ioc, MPT_IOC_PRE_RESET);
7018 }
7019
7020 if (rc)
7021 goto out;
7022
7023 ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK;
7024 if (ioc_state != MPI_IOC_STATE_READY)
7025 goto out;
7026
7027 for (ii = 0; ii < 5; ii++) {
7028 /* Get IOC facts! Allow 5 retries */
7029 rc = GetIocFacts(ioc, sleepFlag,
7030 MPT_HOSTEVENT_IOC_RECOVER);
7031 if (rc == 0)
7032 break;
7033 if (sleepFlag == CAN_SLEEP)
7034 msleep(100);
7035 else
7036 mdelay(100);
7037 }
7038 if (ii == 5)
7039 goto out;
7040
7041 rc = PrimeIocFifos(ioc);
7042 if (rc != 0)
7043 goto out;
7044
7045 rc = SendIocInit(ioc, sleepFlag);
7046 if (rc != 0)
7047 goto out;
7048
7049 rc = SendEventNotification(ioc, 1, sleepFlag);
7050 if (rc != 0)
7051 goto out;
7052
7053 if (ioc->hard_resets < -1)
7054 ioc->hard_resets++;
7055
7056 /*
7057 * At this point, we know soft reset succeeded.
7058 */
7059
7060 ioc->active = 1;
7061 CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
7062
7063 out:
7064 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
7065 ioc->ioc_reset_in_progress = 0;
7066 ioc->taskmgmt_quiesce_io = 0;
7067 ioc->taskmgmt_in_progress = 0;
7068 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7069
7070 if (ioc->active) { /* otherwise, hard reset coming */
7071 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7072 if (MptResetHandlers[cb_idx])
7073 mpt_signal_reset(cb_idx, ioc,
7074 MPT_IOC_POST_RESET);
7075 }
7076 }
7077
7078 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7079 "SoftResetHandler: completed (%d seconds): %s\n",
7080 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000,
7081 ((rc == 0) ? "SUCCESS" : "FAILED")));
7082
7083 return rc;
7084}
7085
7086/**
7087 * mpt_Soft_Hard_ResetHandler - Try less expensive reset
7088 * @ioc: Pointer to MPT_ADAPTER structure
7089 * @sleepFlag: Indicates if sleep or schedule must be called.
7090 *
7091 * Returns 0 for SUCCESS or -1 if FAILED.
7092 * Try for softreset first, only if it fails go for expensive
7093 * HardReset.
7094 **/
7095int
7096mpt_Soft_Hard_ResetHandler(MPT_ADAPTER *ioc, int sleepFlag) {
7097 int ret = -1;
7098
7099 ret = mpt_SoftResetHandler(ioc, sleepFlag);
7100 if (ret == 0)
7101 return ret;
7102 ret = mpt_HardResetHandler(ioc, sleepFlag);
7103 return ret;
7104}
7105EXPORT_SYMBOL(mpt_Soft_Hard_ResetHandler);
7106
7107/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7108/*
7109 * Reset Handling
7110 */
7111/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7112/**
7113 * mpt_HardResetHandler - Generic reset handler
7114 * @ioc: Pointer to MPT_ADAPTER structure
7115 * @sleepFlag: Indicates if sleep or schedule must be called.
7116 *
7117 * Issues SCSI Task Management call based on input arg values.
7118 * If TaskMgmt fails, returns associated SCSI request.
7119 *
7120 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
7121 * or a non-interrupt thread. In the former, must not call schedule().
7122 *
7123 * Note: A return of -1 is a FATAL error case, as it means a
7124 * FW reload/initialization failed.
7125 *
7126 * Returns 0 for SUCCESS or -1 if FAILED.
7127 */
7128int
7129mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
7130{
7131 int rc;
7132 u8 cb_idx;
7133 unsigned long flags;
7134 unsigned long time_count;
7135
7136 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HardResetHandler Entered!\n", ioc->name));
7137#ifdef MFCNT
7138 printk(MYIOC_s_INFO_FMT "HardResetHandler Entered!\n", ioc->name);
7139 printk("MF count 0x%x !\n", ioc->mfcnt);
7140#endif
7141 if (mpt_fwfault_debug)
7142 mpt_halt_firmware(ioc);
7143
7144 /* Reset the adapter. Prevent more than 1 call to
7145 * mpt_do_ioc_recovery at any instant in time.
7146 */
7147 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
7148 if (ioc->ioc_reset_in_progress) {
7149 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7150 ioc->wait_on_reset_completion = 1;
7151 do {
7152 ssleep(1);
7153 } while (ioc->ioc_reset_in_progress == 1);
7154 ioc->wait_on_reset_completion = 0;
7155 return ioc->reset_status;
7156 }
7157 if (ioc->wait_on_reset_completion) {
7158 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7159 rc = 0;
7160 time_count = jiffies;
7161 goto exit;
7162 }
7163 ioc->ioc_reset_in_progress = 1;
7164 if (ioc->alt_ioc)
7165 ioc->alt_ioc->ioc_reset_in_progress = 1;
7166 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7167
7168
7169 /* The SCSI driver needs to adjust timeouts on all current
7170 * commands prior to the diagnostic reset being issued.
7171 * Prevents timeouts occurring during a diagnostic reset...very bad.
7172 * For all other protocol drivers, this is a no-op.
7173 */
7174 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7175 if (MptResetHandlers[cb_idx]) {
7176 mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET);
7177 if (ioc->alt_ioc)
7178 mpt_signal_reset(cb_idx, ioc->alt_ioc,
7179 MPT_IOC_SETUP_RESET);
7180 }
7181 }
7182
7183 time_count = jiffies;
7184 rc = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_RECOVER, sleepFlag);
7185 if (rc != 0) {
7186 printk(KERN_WARNING MYNAM
7187 ": WARNING - (%d) Cannot recover %s, doorbell=0x%08x\n",
7188 rc, ioc->name, mpt_GetIocState(ioc, 0));
7189 } else {
7190 if (ioc->hard_resets < -1)
7191 ioc->hard_resets++;
7192 }
7193
7194 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
7195 ioc->ioc_reset_in_progress = 0;
7196 ioc->taskmgmt_quiesce_io = 0;
7197 ioc->taskmgmt_in_progress = 0;
7198 ioc->reset_status = rc;
7199 if (ioc->alt_ioc) {
7200 ioc->alt_ioc->ioc_reset_in_progress = 0;
7201 ioc->alt_ioc->taskmgmt_quiesce_io = 0;
7202 ioc->alt_ioc->taskmgmt_in_progress = 0;
7203 }
7204 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7205
7206 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7207 if (MptResetHandlers[cb_idx]) {
7208 mpt_signal_reset(cb_idx, ioc, MPT_IOC_POST_RESET);
7209 if (ioc->alt_ioc)
7210 mpt_signal_reset(cb_idx,
7211 ioc->alt_ioc, MPT_IOC_POST_RESET);
7212 }
7213 }
7214exit:
7215 dtmprintk(ioc,
7216 printk(MYIOC_s_DEBUG_FMT
7217 "HardResetHandler: completed (%d seconds): %s\n", ioc->name,
7218 jiffies_to_msecs(jiffies - time_count)/1000, ((rc == 0) ?
7219 "SUCCESS" : "FAILED")));
7220
7221 return rc;
7222}
7223
7224#ifdef CONFIG_FUSION_LOGGING
7225static void
7226mpt_display_event_info(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply)
7227{
7228 char *ds = NULL;
7229 u32 evData0;
7230 int ii;
7231 u8 event;
7232 char *evStr = ioc->evStr;
7233
7234 event = le32_to_cpu(pEventReply->Event) & 0xFF;
7235 evData0 = le32_to_cpu(pEventReply->Data[0]);
7236
7237 switch(event) {
7238 case MPI_EVENT_NONE:
7239 ds = "None";
7240 break;
7241 case MPI_EVENT_LOG_DATA:
7242 ds = "Log Data";
7243 break;
7244 case MPI_EVENT_STATE_CHANGE:
7245 ds = "State Change";
7246 break;
7247 case MPI_EVENT_UNIT_ATTENTION:
7248 ds = "Unit Attention";
7249 break;
7250 case MPI_EVENT_IOC_BUS_RESET:
7251 ds = "IOC Bus Reset";
7252 break;
7253 case MPI_EVENT_EXT_BUS_RESET:
7254 ds = "External Bus Reset";
7255 break;
7256 case MPI_EVENT_RESCAN:
7257 ds = "Bus Rescan Event";
7258 break;
7259 case MPI_EVENT_LINK_STATUS_CHANGE:
7260 if (evData0 == MPI_EVENT_LINK_STATUS_FAILURE)
7261 ds = "Link Status(FAILURE) Change";
7262 else
7263 ds = "Link Status(ACTIVE) Change";
7264 break;
7265 case MPI_EVENT_LOOP_STATE_CHANGE:
7266 if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LIP)
7267 ds = "Loop State(LIP) Change";
7268 else if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LPE)
7269 ds = "Loop State(LPE) Change";
7270 else
7271 ds = "Loop State(LPB) Change";
7272 break;
7273 case MPI_EVENT_LOGOUT:
7274 ds = "Logout";
7275 break;
7276 case MPI_EVENT_EVENT_CHANGE:
7277 if (evData0)
7278 ds = "Events ON";
7279 else
7280 ds = "Events OFF";
7281 break;
7282 case MPI_EVENT_INTEGRATED_RAID:
7283 {
7284 u8 ReasonCode = (u8)(evData0 >> 16);
7285 switch (ReasonCode) {
7286 case MPI_EVENT_RAID_RC_VOLUME_CREATED :
7287 ds = "Integrated Raid: Volume Created";
7288 break;
7289 case MPI_EVENT_RAID_RC_VOLUME_DELETED :
7290 ds = "Integrated Raid: Volume Deleted";
7291 break;
7292 case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED :
7293 ds = "Integrated Raid: Volume Settings Changed";
7294 break;
7295 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED :
7296 ds = "Integrated Raid: Volume Status Changed";
7297 break;
7298 case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED :
7299 ds = "Integrated Raid: Volume Physdisk Changed";
7300 break;
7301 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED :
7302 ds = "Integrated Raid: Physdisk Created";
7303 break;
7304 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED :
7305 ds = "Integrated Raid: Physdisk Deleted";
7306 break;
7307 case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED :
7308 ds = "Integrated Raid: Physdisk Settings Changed";
7309 break;
7310 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED :
7311 ds = "Integrated Raid: Physdisk Status Changed";
7312 break;
7313 case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED :
7314 ds = "Integrated Raid: Domain Validation Needed";
7315 break;
7316 case MPI_EVENT_RAID_RC_SMART_DATA :
7317 ds = "Integrated Raid; Smart Data";
7318 break;
7319 case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED :
7320 ds = "Integrated Raid: Replace Action Started";
7321 break;
7322 default:
7323 ds = "Integrated Raid";
7324 break;
7325 }
7326 break;
7327 }
7328 case MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE:
7329 ds = "SCSI Device Status Change";
7330 break;
7331 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
7332 {
7333 u8 id = (u8)(evData0);
7334 u8 channel = (u8)(evData0 >> 8);
7335 u8 ReasonCode = (u8)(evData0 >> 16);
7336 switch (ReasonCode) {
7337 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
7338 snprintf(evStr, EVENT_DESCR_STR_SZ,
7339 "SAS Device Status Change: Added: "
7340 "id=%d channel=%d", id, channel);
7341 break;
7342 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
7343 snprintf(evStr, EVENT_DESCR_STR_SZ,
7344 "SAS Device Status Change: Deleted: "
7345 "id=%d channel=%d", id, channel);
7346 break;
7347 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
7348 snprintf(evStr, EVENT_DESCR_STR_SZ,
7349 "SAS Device Status Change: SMART Data: "
7350 "id=%d channel=%d", id, channel);
7351 break;
7352 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
7353 snprintf(evStr, EVENT_DESCR_STR_SZ,
7354 "SAS Device Status Change: No Persistency: "
7355 "id=%d channel=%d", id, channel);
7356 break;
7357 case MPI_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
7358 snprintf(evStr, EVENT_DESCR_STR_SZ,
7359 "SAS Device Status Change: Unsupported Device "
7360 "Discovered : id=%d channel=%d", id, channel);
7361 break;
7362 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
7363 snprintf(evStr, EVENT_DESCR_STR_SZ,
7364 "SAS Device Status Change: Internal Device "
7365 "Reset : id=%d channel=%d", id, channel);
7366 break;
7367 case MPI_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
7368 snprintf(evStr, EVENT_DESCR_STR_SZ,
7369 "SAS Device Status Change: Internal Task "
7370 "Abort : id=%d channel=%d", id, channel);
7371 break;
7372 case MPI_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
7373 snprintf(evStr, EVENT_DESCR_STR_SZ,
7374 "SAS Device Status Change: Internal Abort "
7375 "Task Set : id=%d channel=%d", id, channel);
7376 break;
7377 case MPI_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
7378 snprintf(evStr, EVENT_DESCR_STR_SZ,
7379 "SAS Device Status Change: Internal Clear "
7380 "Task Set : id=%d channel=%d", id, channel);
7381 break;
7382 case MPI_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
7383 snprintf(evStr, EVENT_DESCR_STR_SZ,
7384 "SAS Device Status Change: Internal Query "
7385 "Task : id=%d channel=%d", id, channel);
7386 break;
7387 default:
7388 snprintf(evStr, EVENT_DESCR_STR_SZ,
7389 "SAS Device Status Change: Unknown: "
7390 "id=%d channel=%d", id, channel);
7391 break;
7392 }
7393 break;
7394 }
7395 case MPI_EVENT_ON_BUS_TIMER_EXPIRED:
7396 ds = "Bus Timer Expired";
7397 break;
7398 case MPI_EVENT_QUEUE_FULL:
7399 {
7400 u16 curr_depth = (u16)(evData0 >> 16);
7401 u8 channel = (u8)(evData0 >> 8);
7402 u8 id = (u8)(evData0);
7403
7404 snprintf(evStr, EVENT_DESCR_STR_SZ,
7405 "Queue Full: channel=%d id=%d depth=%d",
7406 channel, id, curr_depth);
7407 break;
7408 }
7409 case MPI_EVENT_SAS_SES:
7410 ds = "SAS SES Event";
7411 break;
7412 case MPI_EVENT_PERSISTENT_TABLE_FULL:
7413 ds = "Persistent Table Full";
7414 break;
7415 case MPI_EVENT_SAS_PHY_LINK_STATUS:
7416 {
7417 u8 LinkRates = (u8)(evData0 >> 8);
7418 u8 PhyNumber = (u8)(evData0);
7419 LinkRates = (LinkRates & MPI_EVENT_SAS_PLS_LR_CURRENT_MASK) >>
7420 MPI_EVENT_SAS_PLS_LR_CURRENT_SHIFT;
7421 switch (LinkRates) {
7422 case MPI_EVENT_SAS_PLS_LR_RATE_UNKNOWN:
7423 snprintf(evStr, EVENT_DESCR_STR_SZ,
7424 "SAS PHY Link Status: Phy=%d:"
7425 " Rate Unknown",PhyNumber);
7426 break;
7427 case MPI_EVENT_SAS_PLS_LR_RATE_PHY_DISABLED:
7428 snprintf(evStr, EVENT_DESCR_STR_SZ,
7429 "SAS PHY Link Status: Phy=%d:"
7430 " Phy Disabled",PhyNumber);
7431 break;
7432 case MPI_EVENT_SAS_PLS_LR_RATE_FAILED_SPEED_NEGOTIATION:
7433 snprintf(evStr, EVENT_DESCR_STR_SZ,
7434 "SAS PHY Link Status: Phy=%d:"
7435 " Failed Speed Nego",PhyNumber);
7436 break;
7437 case MPI_EVENT_SAS_PLS_LR_RATE_SATA_OOB_COMPLETE:
7438 snprintf(evStr, EVENT_DESCR_STR_SZ,
7439 "SAS PHY Link Status: Phy=%d:"
7440 " Sata OOB Completed",PhyNumber);
7441 break;
7442 case MPI_EVENT_SAS_PLS_LR_RATE_1_5:
7443 snprintf(evStr, EVENT_DESCR_STR_SZ,
7444 "SAS PHY Link Status: Phy=%d:"
7445 " Rate 1.5 Gbps",PhyNumber);
7446 break;
7447 case MPI_EVENT_SAS_PLS_LR_RATE_3_0:
7448 snprintf(evStr, EVENT_DESCR_STR_SZ,
7449 "SAS PHY Link Status: Phy=%d:"
7450 " Rate 3.0 Gbps", PhyNumber);
7451 break;
7452 case MPI_EVENT_SAS_PLS_LR_RATE_6_0:
7453 snprintf(evStr, EVENT_DESCR_STR_SZ,
7454 "SAS PHY Link Status: Phy=%d:"
7455 " Rate 6.0 Gbps", PhyNumber);
7456 break;
7457 default:
7458 snprintf(evStr, EVENT_DESCR_STR_SZ,
7459 "SAS PHY Link Status: Phy=%d", PhyNumber);
7460 break;
7461 }
7462 break;
7463 }
7464 case MPI_EVENT_SAS_DISCOVERY_ERROR:
7465 ds = "SAS Discovery Error";
7466 break;
7467 case MPI_EVENT_IR_RESYNC_UPDATE:
7468 {
7469 u8 resync_complete = (u8)(evData0 >> 16);
7470 snprintf(evStr, EVENT_DESCR_STR_SZ,
7471 "IR Resync Update: Complete = %d:",resync_complete);
7472 break;
7473 }
7474 case MPI_EVENT_IR2:
7475 {
7476 u8 id = (u8)(evData0);
7477 u8 channel = (u8)(evData0 >> 8);
7478 u8 phys_num = (u8)(evData0 >> 24);
7479 u8 ReasonCode = (u8)(evData0 >> 16);
7480
7481 switch (ReasonCode) {
7482 case MPI_EVENT_IR2_RC_LD_STATE_CHANGED:
7483 snprintf(evStr, EVENT_DESCR_STR_SZ,
7484 "IR2: LD State Changed: "
7485 "id=%d channel=%d phys_num=%d",
7486 id, channel, phys_num);
7487 break;
7488 case MPI_EVENT_IR2_RC_PD_STATE_CHANGED:
7489 snprintf(evStr, EVENT_DESCR_STR_SZ,
7490 "IR2: PD State Changed "
7491 "id=%d channel=%d phys_num=%d",
7492 id, channel, phys_num);
7493 break;
7494 case MPI_EVENT_IR2_RC_BAD_BLOCK_TABLE_FULL:
7495 snprintf(evStr, EVENT_DESCR_STR_SZ,
7496 "IR2: Bad Block Table Full: "
7497 "id=%d channel=%d phys_num=%d",
7498 id, channel, phys_num);
7499 break;
7500 case MPI_EVENT_IR2_RC_PD_INSERTED:
7501 snprintf(evStr, EVENT_DESCR_STR_SZ,
7502 "IR2: PD Inserted: "
7503 "id=%d channel=%d phys_num=%d",
7504 id, channel, phys_num);
7505 break;
7506 case MPI_EVENT_IR2_RC_PD_REMOVED:
7507 snprintf(evStr, EVENT_DESCR_STR_SZ,
7508 "IR2: PD Removed: "
7509 "id=%d channel=%d phys_num=%d",
7510 id, channel, phys_num);
7511 break;
7512 case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED:
7513 snprintf(evStr, EVENT_DESCR_STR_SZ,
7514 "IR2: Foreign CFG Detected: "
7515 "id=%d channel=%d phys_num=%d",
7516 id, channel, phys_num);
7517 break;
7518 case MPI_EVENT_IR2_RC_REBUILD_MEDIUM_ERROR:
7519 snprintf(evStr, EVENT_DESCR_STR_SZ,
7520 "IR2: Rebuild Medium Error: "
7521 "id=%d channel=%d phys_num=%d",
7522 id, channel, phys_num);
7523 break;
7524 case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED:
7525 snprintf(evStr, EVENT_DESCR_STR_SZ,
7526 "IR2: Dual Port Added: "
7527 "id=%d channel=%d phys_num=%d",
7528 id, channel, phys_num);
7529 break;
7530 case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED:
7531 snprintf(evStr, EVENT_DESCR_STR_SZ,
7532 "IR2: Dual Port Removed: "
7533 "id=%d channel=%d phys_num=%d",
7534 id, channel, phys_num);
7535 break;
7536 default:
7537 ds = "IR2";
7538 break;
7539 }
7540 break;
7541 }
7542 case MPI_EVENT_SAS_DISCOVERY:
7543 {
7544 if (evData0)
7545 ds = "SAS Discovery: Start";
7546 else
7547 ds = "SAS Discovery: Stop";
7548 break;
7549 }
7550 case MPI_EVENT_LOG_ENTRY_ADDED:
7551 ds = "SAS Log Entry Added";
7552 break;
7553
7554 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
7555 {
7556 u8 phy_num = (u8)(evData0);
7557 u8 port_num = (u8)(evData0 >> 8);
7558 u8 port_width = (u8)(evData0 >> 16);
7559 u8 primitive = (u8)(evData0 >> 24);
7560 snprintf(evStr, EVENT_DESCR_STR_SZ,
7561 "SAS Broadcast Primitive: phy=%d port=%d "
7562 "width=%d primitive=0x%02x",
7563 phy_num, port_num, port_width, primitive);
7564 break;
7565 }
7566
7567 case MPI_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE:
7568 {
7569 u8 reason = (u8)(evData0);
7570
7571 switch (reason) {
7572 case MPI_EVENT_SAS_INIT_RC_ADDED:
7573 ds = "SAS Initiator Status Change: Added";
7574 break;
7575 case MPI_EVENT_SAS_INIT_RC_REMOVED:
7576 ds = "SAS Initiator Status Change: Deleted";
7577 break;
7578 default:
7579 ds = "SAS Initiator Status Change";
7580 break;
7581 }
7582 break;
7583 }
7584
7585 case MPI_EVENT_SAS_INIT_TABLE_OVERFLOW:
7586 {
7587 u8 max_init = (u8)(evData0);
7588 u8 current_init = (u8)(evData0 >> 8);
7589
7590 snprintf(evStr, EVENT_DESCR_STR_SZ,
7591 "SAS Initiator Device Table Overflow: max initiators=%02d "
7592 "current initiators=%02d",
7593 max_init, current_init);
7594 break;
7595 }
7596 case MPI_EVENT_SAS_SMP_ERROR:
7597 {
7598 u8 status = (u8)(evData0);
7599 u8 port_num = (u8)(evData0 >> 8);
7600 u8 result = (u8)(evData0 >> 16);
7601
7602 if (status == MPI_EVENT_SAS_SMP_FUNCTION_RESULT_VALID)
7603 snprintf(evStr, EVENT_DESCR_STR_SZ,
7604 "SAS SMP Error: port=%d result=0x%02x",
7605 port_num, result);
7606 else if (status == MPI_EVENT_SAS_SMP_CRC_ERROR)
7607 snprintf(evStr, EVENT_DESCR_STR_SZ,
7608 "SAS SMP Error: port=%d : CRC Error",
7609 port_num);
7610 else if (status == MPI_EVENT_SAS_SMP_TIMEOUT)
7611 snprintf(evStr, EVENT_DESCR_STR_SZ,
7612 "SAS SMP Error: port=%d : Timeout",
7613 port_num);
7614 else if (status == MPI_EVENT_SAS_SMP_NO_DESTINATION)
7615 snprintf(evStr, EVENT_DESCR_STR_SZ,
7616 "SAS SMP Error: port=%d : No Destination",
7617 port_num);
7618 else if (status == MPI_EVENT_SAS_SMP_BAD_DESTINATION)
7619 snprintf(evStr, EVENT_DESCR_STR_SZ,
7620 "SAS SMP Error: port=%d : Bad Destination",
7621 port_num);
7622 else
7623 snprintf(evStr, EVENT_DESCR_STR_SZ,
7624 "SAS SMP Error: port=%d : status=0x%02x",
7625 port_num, status);
7626 break;
7627 }
7628
7629 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
7630 {
7631 u8 reason = (u8)(evData0);
7632
7633 switch (reason) {
7634 case MPI_EVENT_SAS_EXP_RC_ADDED:
7635 ds = "Expander Status Change: Added";
7636 break;
7637 case MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING:
7638 ds = "Expander Status Change: Deleted";
7639 break;
7640 default:
7641 ds = "Expander Status Change";
7642 break;
7643 }
7644 break;
7645 }
7646
7647 /*
7648 * MPT base "custom" events may be added here...
7649 */
7650 default:
7651 ds = "Unknown";
7652 break;
7653 }
7654 if (ds)
7655 strlcpy(evStr, ds, EVENT_DESCR_STR_SZ);
7656
7657
7658 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7659 "MPT event:(%02Xh) : %s\n",
7660 ioc->name, event, evStr));
7661
7662 devtverboseprintk(ioc, printk(KERN_DEBUG MYNAM
7663 ": Event data:\n"));
7664 for (ii = 0; ii < le16_to_cpu(pEventReply->EventDataLength); ii++)
7665 devtverboseprintk(ioc, printk(" %08x",
7666 le32_to_cpu(pEventReply->Data[ii])));
7667 devtverboseprintk(ioc, printk(KERN_DEBUG "\n"));
7668}
7669#endif
7670/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7671/**
7672 * ProcessEventNotification - Route EventNotificationReply to all event handlers
7673 * @ioc: Pointer to MPT_ADAPTER structure
7674 * @pEventReply: Pointer to EventNotification reply frame
7675 * @evHandlers: Pointer to integer, number of event handlers
7676 *
7677 * Routes a received EventNotificationReply to all currently registered
7678 * event handlers.
7679 * Returns sum of event handlers return values.
7680 */
7681static int
7682ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply, int *evHandlers)
7683{
7684 u16 evDataLen;
7685 u32 evData0 = 0;
7686 int ii;
7687 u8 cb_idx;
7688 int r = 0;
7689 int handlers = 0;
7690 u8 event;
7691
7692 /*
7693 * Do platform normalization of values
7694 */
7695 event = le32_to_cpu(pEventReply->Event) & 0xFF;
7696 evDataLen = le16_to_cpu(pEventReply->EventDataLength);
7697 if (evDataLen) {
7698 evData0 = le32_to_cpu(pEventReply->Data[0]);
7699 }
7700
7701#ifdef CONFIG_FUSION_LOGGING
7702 if (evDataLen)
7703 mpt_display_event_info(ioc, pEventReply);
7704#endif
7705
7706 /*
7707 * Do general / base driver event processing
7708 */
7709 switch(event) {
7710 case MPI_EVENT_EVENT_CHANGE: /* 0A */
7711 if (evDataLen) {
7712 u8 evState = evData0 & 0xFF;
7713
7714 /* CHECKME! What if evState unexpectedly says OFF (0)? */
7715
7716 /* Update EventState field in cached IocFacts */
7717 if (ioc->facts.Function) {
7718 ioc->facts.EventState = evState;
7719 }
7720 }
7721 break;
7722 case MPI_EVENT_INTEGRATED_RAID:
7723 mptbase_raid_process_event_data(ioc,
7724 (MpiEventDataRaid_t *)pEventReply->Data);
7725 break;
7726 default:
7727 break;
7728 }
7729
7730 /*
7731 * Should this event be logged? Events are written sequentially.
7732 * When buffer is full, start again at the top.
7733 */
7734 if (ioc->events && (ioc->eventTypes & ( 1 << event))) {
7735 int idx;
7736
7737 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
7738
7739 ioc->events[idx].event = event;
7740 ioc->events[idx].eventContext = ioc->eventContext;
7741
7742 for (ii = 0; ii < 2; ii++) {
7743 if (ii < evDataLen)
7744 ioc->events[idx].data[ii] = le32_to_cpu(pEventReply->Data[ii]);
7745 else
7746 ioc->events[idx].data[ii] = 0;
7747 }
7748
7749 ioc->eventContext++;
7750 }
7751
7752
7753 /*
7754 * Call each currently registered protocol event handler.
7755 */
7756 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7757 if (MptEvHandlers[cb_idx]) {
7758 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7759 "Routing Event to event handler #%d\n",
7760 ioc->name, cb_idx));
7761 r += (*(MptEvHandlers[cb_idx]))(ioc, pEventReply);
7762 handlers++;
7763 }
7764 }
7765 /* FIXME? Examine results here? */
7766
7767 /*
7768 * If needed, send (a single) EventAck.
7769 */
7770 if (pEventReply->AckRequired == MPI_EVENT_NOTIFICATION_ACK_REQUIRED) {
7771 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7772 "EventAck required\n",ioc->name));
7773 if ((ii = SendEventAck(ioc, pEventReply)) != 0) {
7774 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SendEventAck returned %d\n",
7775 ioc->name, ii));
7776 }
7777 }
7778
7779 *evHandlers = handlers;
7780 return r;
7781}
7782
7783/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7784/**
7785 * mpt_fc_log_info - Log information returned from Fibre Channel IOC.
7786 * @ioc: Pointer to MPT_ADAPTER structure
7787 * @log_info: U32 LogInfo reply word from the IOC
7788 *
7789 * Refer to lsi/mpi_log_fc.h.
7790 */
7791static void
7792mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info)
7793{
7794 char *desc = "unknown";
7795
7796 switch (log_info & 0xFF000000) {
7797 case MPI_IOCLOGINFO_FC_INIT_BASE:
7798 desc = "FCP Initiator";
7799 break;
7800 case MPI_IOCLOGINFO_FC_TARGET_BASE:
7801 desc = "FCP Target";
7802 break;
7803 case MPI_IOCLOGINFO_FC_LAN_BASE:
7804 desc = "LAN";
7805 break;
7806 case MPI_IOCLOGINFO_FC_MSG_BASE:
7807 desc = "MPI Message Layer";
7808 break;
7809 case MPI_IOCLOGINFO_FC_LINK_BASE:
7810 desc = "FC Link";
7811 break;
7812 case MPI_IOCLOGINFO_FC_CTX_BASE:
7813 desc = "Context Manager";
7814 break;
7815 case MPI_IOCLOGINFO_FC_INVALID_FIELD_BYTE_OFFSET:
7816 desc = "Invalid Field Offset";
7817 break;
7818 case MPI_IOCLOGINFO_FC_STATE_CHANGE:
7819 desc = "State Change Info";
7820 break;
7821 }
7822
7823 printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): SubClass={%s}, Value=(0x%06x)\n",
7824 ioc->name, log_info, desc, (log_info & 0xFFFFFF));
7825}
7826
7827/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7828/**
7829 * mpt_spi_log_info - Log information returned from SCSI Parallel IOC.
7830 * @ioc: Pointer to MPT_ADAPTER structure
7831 * @log_info: U32 LogInfo word from the IOC
7832 *
7833 * Refer to lsi/sp_log.h.
7834 */
7835static void
7836mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info)
7837{
7838 u32 info = log_info & 0x00FF0000;
7839 char *desc = "unknown";
7840
7841 switch (info) {
7842 case 0x00010000:
7843 desc = "bug! MID not found";
7844 break;
7845
7846 case 0x00020000:
7847 desc = "Parity Error";
7848 break;
7849
7850 case 0x00030000:
7851 desc = "ASYNC Outbound Overrun";
7852 break;
7853
7854 case 0x00040000:
7855 desc = "SYNC Offset Error";
7856 break;
7857
7858 case 0x00050000:
7859 desc = "BM Change";
7860 break;
7861
7862 case 0x00060000:
7863 desc = "Msg In Overflow";
7864 break;
7865
7866 case 0x00070000:
7867 desc = "DMA Error";
7868 break;
7869
7870 case 0x00080000:
7871 desc = "Outbound DMA Overrun";
7872 break;
7873
7874 case 0x00090000:
7875 desc = "Task Management";
7876 break;
7877
7878 case 0x000A0000:
7879 desc = "Device Problem";
7880 break;
7881
7882 case 0x000B0000:
7883 desc = "Invalid Phase Change";
7884 break;
7885
7886 case 0x000C0000:
7887 desc = "Untagged Table Size";
7888 break;
7889
7890 }
7891
7892 printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): F/W: %s\n", ioc->name, log_info, desc);
7893}
7894
7895/* strings for sas loginfo */
7896 static char *originator_str[] = {
7897 "IOP", /* 00h */
7898 "PL", /* 01h */
7899 "IR" /* 02h */
7900 };
7901 static char *iop_code_str[] = {
7902 NULL, /* 00h */
7903 "Invalid SAS Address", /* 01h */
7904 NULL, /* 02h */
7905 "Invalid Page", /* 03h */
7906 "Diag Message Error", /* 04h */
7907 "Task Terminated", /* 05h */
7908 "Enclosure Management", /* 06h */
7909 "Target Mode" /* 07h */
7910 };
7911 static char *pl_code_str[] = {
7912 NULL, /* 00h */
7913 "Open Failure", /* 01h */
7914 "Invalid Scatter Gather List", /* 02h */
7915 "Wrong Relative Offset or Frame Length", /* 03h */
7916 "Frame Transfer Error", /* 04h */
7917 "Transmit Frame Connected Low", /* 05h */
7918 "SATA Non-NCQ RW Error Bit Set", /* 06h */
7919 "SATA Read Log Receive Data Error", /* 07h */
7920 "SATA NCQ Fail All Commands After Error", /* 08h */
7921 "SATA Error in Receive Set Device Bit FIS", /* 09h */
7922 "Receive Frame Invalid Message", /* 0Ah */
7923 "Receive Context Message Valid Error", /* 0Bh */
7924 "Receive Frame Current Frame Error", /* 0Ch */
7925 "SATA Link Down", /* 0Dh */
7926 "Discovery SATA Init W IOS", /* 0Eh */
7927 "Config Invalid Page", /* 0Fh */
7928 "Discovery SATA Init Timeout", /* 10h */
7929 "Reset", /* 11h */
7930 "Abort", /* 12h */
7931 "IO Not Yet Executed", /* 13h */
7932 "IO Executed", /* 14h */
7933 "Persistent Reservation Out Not Affiliation "
7934 "Owner", /* 15h */
7935 "Open Transmit DMA Abort", /* 16h */
7936 "IO Device Missing Delay Retry", /* 17h */
7937 "IO Cancelled Due to Receive Error", /* 18h */
7938 NULL, /* 19h */
7939 NULL, /* 1Ah */
7940 NULL, /* 1Bh */
7941 NULL, /* 1Ch */
7942 NULL, /* 1Dh */
7943 NULL, /* 1Eh */
7944 NULL, /* 1Fh */
7945 "Enclosure Management" /* 20h */
7946 };
7947 static char *ir_code_str[] = {
7948 "Raid Action Error", /* 00h */
7949 NULL, /* 00h */
7950 NULL, /* 01h */
7951 NULL, /* 02h */
7952 NULL, /* 03h */
7953 NULL, /* 04h */
7954 NULL, /* 05h */
7955 NULL, /* 06h */
7956 NULL /* 07h */
7957 };
7958 static char *raid_sub_code_str[] = {
7959 NULL, /* 00h */
7960 "Volume Creation Failed: Data Passed too "
7961 "Large", /* 01h */
7962 "Volume Creation Failed: Duplicate Volumes "
7963 "Attempted", /* 02h */
7964 "Volume Creation Failed: Max Number "
7965 "Supported Volumes Exceeded", /* 03h */
7966 "Volume Creation Failed: DMA Error", /* 04h */
7967 "Volume Creation Failed: Invalid Volume Type", /* 05h */
7968 "Volume Creation Failed: Error Reading "
7969 "MFG Page 4", /* 06h */
7970 "Volume Creation Failed: Creating Internal "
7971 "Structures", /* 07h */
7972 NULL, /* 08h */
7973 NULL, /* 09h */
7974 NULL, /* 0Ah */
7975 NULL, /* 0Bh */
7976 NULL, /* 0Ch */
7977 NULL, /* 0Dh */
7978 NULL, /* 0Eh */
7979 NULL, /* 0Fh */
7980 "Activation failed: Already Active Volume", /* 10h */
7981 "Activation failed: Unsupported Volume Type", /* 11h */
7982 "Activation failed: Too Many Active Volumes", /* 12h */
7983 "Activation failed: Volume ID in Use", /* 13h */
7984 "Activation failed: Reported Failure", /* 14h */
7985 "Activation failed: Importing a Volume", /* 15h */
7986 NULL, /* 16h */
7987 NULL, /* 17h */
7988 NULL, /* 18h */
7989 NULL, /* 19h */
7990 NULL, /* 1Ah */
7991 NULL, /* 1Bh */
7992 NULL, /* 1Ch */
7993 NULL, /* 1Dh */
7994 NULL, /* 1Eh */
7995 NULL, /* 1Fh */
7996 "Phys Disk failed: Too Many Phys Disks", /* 20h */
7997 "Phys Disk failed: Data Passed too Large", /* 21h */
7998 "Phys Disk failed: DMA Error", /* 22h */
7999 "Phys Disk failed: Invalid <channel:id>", /* 23h */
8000 "Phys Disk failed: Creating Phys Disk Config "
8001 "Page", /* 24h */
8002 NULL, /* 25h */
8003 NULL, /* 26h */
8004 NULL, /* 27h */
8005 NULL, /* 28h */
8006 NULL, /* 29h */
8007 NULL, /* 2Ah */
8008 NULL, /* 2Bh */
8009 NULL, /* 2Ch */
8010 NULL, /* 2Dh */
8011 NULL, /* 2Eh */
8012 NULL, /* 2Fh */
8013 "Compatibility Error: IR Disabled", /* 30h */
8014 "Compatibility Error: Inquiry Command Failed", /* 31h */
8015 "Compatibility Error: Device not Direct Access "
8016 "Device ", /* 32h */
8017 "Compatibility Error: Removable Device Found", /* 33h */
8018 "Compatibility Error: Device SCSI Version not "
8019 "2 or Higher", /* 34h */
8020 "Compatibility Error: SATA Device, 48 BIT LBA "
8021 "not Supported", /* 35h */
8022 "Compatibility Error: Device doesn't have "
8023 "512 Byte Block Sizes", /* 36h */
8024 "Compatibility Error: Volume Type Check Failed", /* 37h */
8025 "Compatibility Error: Volume Type is "
8026 "Unsupported by FW", /* 38h */
8027 "Compatibility Error: Disk Drive too Small for "
8028 "use in Volume", /* 39h */
8029 "Compatibility Error: Phys Disk for Create "
8030 "Volume not Found", /* 3Ah */
8031 "Compatibility Error: Too Many or too Few "
8032 "Disks for Volume Type", /* 3Bh */
8033 "Compatibility Error: Disk stripe Sizes "
8034 "Must be 64KB", /* 3Ch */
8035 "Compatibility Error: IME Size Limited to < 2TB", /* 3Dh */
8036 };
8037
8038/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8039/**
8040 * mpt_sas_log_info - Log information returned from SAS IOC.
8041 * @ioc: Pointer to MPT_ADAPTER structure
8042 * @log_info: U32 LogInfo reply word from the IOC
8043 * @cb_idx: callback function's handle
8044 *
8045 * Refer to lsi/mpi_log_sas.h.
8046 **/
8047static void
8048mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info, u8 cb_idx)
8049{
8050 union loginfo_type {
8051 u32 loginfo;
8052 struct {
8053 u32 subcode:16;
8054 u32 code:8;
8055 u32 originator:4;
8056 u32 bus_type:4;
8057 } dw;
8058 };
8059 union loginfo_type sas_loginfo;
8060 char *originator_desc = NULL;
8061 char *code_desc = NULL;
8062 char *sub_code_desc = NULL;
8063
8064 sas_loginfo.loginfo = log_info;
8065 if ((sas_loginfo.dw.bus_type != 3 /*SAS*/) &&
8066 (sas_loginfo.dw.originator < ARRAY_SIZE(originator_str)))
8067 return;
8068
8069 originator_desc = originator_str[sas_loginfo.dw.originator];
8070
8071 switch (sas_loginfo.dw.originator) {
8072
8073 case 0: /* IOP */
8074 if (sas_loginfo.dw.code <
8075 ARRAY_SIZE(iop_code_str))
8076 code_desc = iop_code_str[sas_loginfo.dw.code];
8077 break;
8078 case 1: /* PL */
8079 if (sas_loginfo.dw.code <
8080 ARRAY_SIZE(pl_code_str))
8081 code_desc = pl_code_str[sas_loginfo.dw.code];
8082 break;
8083 case 2: /* IR */
8084 if (sas_loginfo.dw.code >=
8085 ARRAY_SIZE(ir_code_str))
8086 break;
8087 code_desc = ir_code_str[sas_loginfo.dw.code];
8088 if (sas_loginfo.dw.subcode >=
8089 ARRAY_SIZE(raid_sub_code_str))
8090 break;
8091 if (sas_loginfo.dw.code == 0)
8092 sub_code_desc =
8093 raid_sub_code_str[sas_loginfo.dw.subcode];
8094 break;
8095 default:
8096 return;
8097 }
8098
8099 if (sub_code_desc != NULL)
8100 printk(MYIOC_s_INFO_FMT
8101 "LogInfo(0x%08x): Originator={%s}, Code={%s},"
8102 " SubCode={%s} cb_idx %s\n",
8103 ioc->name, log_info, originator_desc, code_desc,
8104 sub_code_desc, MptCallbacksName[cb_idx]);
8105 else if (code_desc != NULL)
8106 printk(MYIOC_s_INFO_FMT
8107 "LogInfo(0x%08x): Originator={%s}, Code={%s},"
8108 " SubCode(0x%04x) cb_idx %s\n",
8109 ioc->name, log_info, originator_desc, code_desc,
8110 sas_loginfo.dw.subcode, MptCallbacksName[cb_idx]);
8111 else
8112 printk(MYIOC_s_INFO_FMT
8113 "LogInfo(0x%08x): Originator={%s}, Code=(0x%02x),"
8114 " SubCode(0x%04x) cb_idx %s\n",
8115 ioc->name, log_info, originator_desc,
8116 sas_loginfo.dw.code, sas_loginfo.dw.subcode,
8117 MptCallbacksName[cb_idx]);
8118}
8119
8120/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8121/**
8122 * mpt_iocstatus_info_config - IOCSTATUS information for config pages
8123 * @ioc: Pointer to MPT_ADAPTER structure
8124 * @ioc_status: U32 IOCStatus word from IOC
8125 * @mf: Pointer to MPT request frame
8126 *
8127 * Refer to lsi/mpi.h.
8128 **/
8129static void
8130mpt_iocstatus_info_config(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf)
8131{
8132 Config_t *pReq = (Config_t *)mf;
8133 char extend_desc[EVENT_DESCR_STR_SZ];
8134 char *desc = NULL;
8135 u32 form;
8136 u8 page_type;
8137
8138 if (pReq->Header.PageType == MPI_CONFIG_PAGETYPE_EXTENDED)
8139 page_type = pReq->ExtPageType;
8140 else
8141 page_type = pReq->Header.PageType;
8142
8143 /*
8144 * ignore invalid page messages for GET_NEXT_HANDLE
8145 */
8146 form = le32_to_cpu(pReq->PageAddress);
8147 if (ioc_status == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
8148 if (page_type == MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE ||
8149 page_type == MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER ||
8150 page_type == MPI_CONFIG_EXTPAGETYPE_ENCLOSURE) {
8151 if ((form >> MPI_SAS_DEVICE_PGAD_FORM_SHIFT) ==
8152 MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE)
8153 return;
8154 }
8155 if (page_type == MPI_CONFIG_PAGETYPE_FC_DEVICE)
8156 if ((form & MPI_FC_DEVICE_PGAD_FORM_MASK) ==
8157 MPI_FC_DEVICE_PGAD_FORM_NEXT_DID)
8158 return;
8159 }
8160
8161 snprintf(extend_desc, EVENT_DESCR_STR_SZ,
8162 "type=%02Xh, page=%02Xh, action=%02Xh, form=%08Xh",
8163 page_type, pReq->Header.PageNumber, pReq->Action, form);
8164
8165 switch (ioc_status) {
8166
8167 case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */
8168 desc = "Config Page Invalid Action";
8169 break;
8170
8171 case MPI_IOCSTATUS_CONFIG_INVALID_TYPE: /* 0x0021 */
8172 desc = "Config Page Invalid Type";
8173 break;
8174
8175 case MPI_IOCSTATUS_CONFIG_INVALID_PAGE: /* 0x0022 */
8176 desc = "Config Page Invalid Page";
8177 break;
8178
8179 case MPI_IOCSTATUS_CONFIG_INVALID_DATA: /* 0x0023 */
8180 desc = "Config Page Invalid Data";
8181 break;
8182
8183 case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS: /* 0x0024 */
8184 desc = "Config Page No Defaults";
8185 break;
8186
8187 case MPI_IOCSTATUS_CONFIG_CANT_COMMIT: /* 0x0025 */
8188 desc = "Config Page Can't Commit";
8189 break;
8190 }
8191
8192 if (!desc)
8193 return;
8194
8195 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s: %s\n",
8196 ioc->name, ioc_status, desc, extend_desc));
8197}
8198
8199/**
8200 * mpt_iocstatus_info - IOCSTATUS information returned from IOC.
8201 * @ioc: Pointer to MPT_ADAPTER structure
8202 * @ioc_status: U32 IOCStatus word from IOC
8203 * @mf: Pointer to MPT request frame
8204 *
8205 * Refer to lsi/mpi.h.
8206 **/
8207static void
8208mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf)
8209{
8210 u32 status = ioc_status & MPI_IOCSTATUS_MASK;
8211 char *desc = NULL;
8212
8213 switch (status) {
8214
8215/****************************************************************************/
8216/* Common IOCStatus values for all replies */
8217/****************************************************************************/
8218
8219 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
8220 desc = "Invalid Function";
8221 break;
8222
8223 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
8224 desc = "Busy";
8225 break;
8226
8227 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
8228 desc = "Invalid SGL";
8229 break;
8230
8231 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
8232 desc = "Internal Error";
8233 break;
8234
8235 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
8236 desc = "Reserved";
8237 break;
8238
8239 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
8240 desc = "Insufficient Resources";
8241 break;
8242
8243 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
8244 desc = "Invalid Field";
8245 break;
8246
8247 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
8248 desc = "Invalid State";
8249 break;
8250
8251/****************************************************************************/
8252/* Config IOCStatus values */
8253/****************************************************************************/
8254
8255 case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */
8256 case MPI_IOCSTATUS_CONFIG_INVALID_TYPE: /* 0x0021 */
8257 case MPI_IOCSTATUS_CONFIG_INVALID_PAGE: /* 0x0022 */
8258 case MPI_IOCSTATUS_CONFIG_INVALID_DATA: /* 0x0023 */
8259 case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS: /* 0x0024 */
8260 case MPI_IOCSTATUS_CONFIG_CANT_COMMIT: /* 0x0025 */
8261 mpt_iocstatus_info_config(ioc, status, mf);
8262 break;
8263
8264/****************************************************************************/
8265/* SCSIIO Reply (SPI, FCP, SAS) initiator values */
8266/* */
8267/* Look at mptscsih_iocstatus_info_scsiio in mptscsih.c */
8268/* */
8269/****************************************************************************/
8270
8271 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
8272 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
8273 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
8274 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
8275 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
8276 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
8277 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
8278 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
8279 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
8280 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
8281 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
8282 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
8283 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
8284 break;
8285
8286/****************************************************************************/
8287/* SCSI Target values */
8288/****************************************************************************/
8289
8290 case MPI_IOCSTATUS_TARGET_PRIORITY_IO: /* 0x0060 */
8291 desc = "Target: Priority IO";
8292 break;
8293
8294 case MPI_IOCSTATUS_TARGET_INVALID_PORT: /* 0x0061 */
8295 desc = "Target: Invalid Port";
8296 break;
8297
8298 case MPI_IOCSTATUS_TARGET_INVALID_IO_INDEX: /* 0x0062 */
8299 desc = "Target Invalid IO Index:";
8300 break;
8301
8302 case MPI_IOCSTATUS_TARGET_ABORTED: /* 0x0063 */
8303 desc = "Target: Aborted";
8304 break;
8305
8306 case MPI_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: /* 0x0064 */
8307 desc = "Target: No Conn Retryable";
8308 break;
8309
8310 case MPI_IOCSTATUS_TARGET_NO_CONNECTION: /* 0x0065 */
8311 desc = "Target: No Connection";
8312 break;
8313
8314 case MPI_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: /* 0x006A */
8315 desc = "Target: Transfer Count Mismatch";
8316 break;
8317
8318 case MPI_IOCSTATUS_TARGET_STS_DATA_NOT_SENT: /* 0x006B */
8319 desc = "Target: STS Data not Sent";
8320 break;
8321
8322 case MPI_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: /* 0x006D */
8323 desc = "Target: Data Offset Error";
8324 break;
8325
8326 case MPI_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: /* 0x006E */
8327 desc = "Target: Too Much Write Data";
8328 break;
8329
8330 case MPI_IOCSTATUS_TARGET_IU_TOO_SHORT: /* 0x006F */
8331 desc = "Target: IU Too Short";
8332 break;
8333
8334 case MPI_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: /* 0x0070 */
8335 desc = "Target: ACK NAK Timeout";
8336 break;
8337
8338 case MPI_IOCSTATUS_TARGET_NAK_RECEIVED: /* 0x0071 */
8339 desc = "Target: Nak Received";
8340 break;
8341
8342/****************************************************************************/
8343/* Fibre Channel Direct Access values */
8344/****************************************************************************/
8345
8346 case MPI_IOCSTATUS_FC_ABORTED: /* 0x0066 */
8347 desc = "FC: Aborted";
8348 break;
8349
8350 case MPI_IOCSTATUS_FC_RX_ID_INVALID: /* 0x0067 */
8351 desc = "FC: RX ID Invalid";
8352 break;
8353
8354 case MPI_IOCSTATUS_FC_DID_INVALID: /* 0x0068 */
8355 desc = "FC: DID Invalid";
8356 break;
8357
8358 case MPI_IOCSTATUS_FC_NODE_LOGGED_OUT: /* 0x0069 */
8359 desc = "FC: Node Logged Out";
8360 break;
8361
8362 case MPI_IOCSTATUS_FC_EXCHANGE_CANCELED: /* 0x006C */
8363 desc = "FC: Exchange Canceled";
8364 break;
8365
8366/****************************************************************************/
8367/* LAN values */
8368/****************************************************************************/
8369
8370 case MPI_IOCSTATUS_LAN_DEVICE_NOT_FOUND: /* 0x0080 */
8371 desc = "LAN: Device not Found";
8372 break;
8373
8374 case MPI_IOCSTATUS_LAN_DEVICE_FAILURE: /* 0x0081 */
8375 desc = "LAN: Device Failure";
8376 break;
8377
8378 case MPI_IOCSTATUS_LAN_TRANSMIT_ERROR: /* 0x0082 */
8379 desc = "LAN: Transmit Error";
8380 break;
8381
8382 case MPI_IOCSTATUS_LAN_TRANSMIT_ABORTED: /* 0x0083 */
8383 desc = "LAN: Transmit Aborted";
8384 break;
8385
8386 case MPI_IOCSTATUS_LAN_RECEIVE_ERROR: /* 0x0084 */
8387 desc = "LAN: Receive Error";
8388 break;
8389
8390 case MPI_IOCSTATUS_LAN_RECEIVE_ABORTED: /* 0x0085 */
8391 desc = "LAN: Receive Aborted";
8392 break;
8393
8394 case MPI_IOCSTATUS_LAN_PARTIAL_PACKET: /* 0x0086 */
8395 desc = "LAN: Partial Packet";
8396 break;
8397
8398 case MPI_IOCSTATUS_LAN_CANCELED: /* 0x0087 */
8399 desc = "LAN: Canceled";
8400 break;
8401
8402/****************************************************************************/
8403/* Serial Attached SCSI values */
8404/****************************************************************************/
8405
8406 case MPI_IOCSTATUS_SAS_SMP_REQUEST_FAILED: /* 0x0090 */
8407 desc = "SAS: SMP Request Failed";
8408 break;
8409
8410 case MPI_IOCSTATUS_SAS_SMP_DATA_OVERRUN: /* 0x0090 */
8411 desc = "SAS: SMP Data Overrun";
8412 break;
8413
8414 default:
8415 desc = "Others";
8416 break;
8417 }
8418
8419 if (!desc)
8420 return;
8421
8422 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s\n",
8423 ioc->name, status, desc));
8424}
8425
8426/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8427EXPORT_SYMBOL(mpt_attach);
8428EXPORT_SYMBOL(mpt_detach);
8429#ifdef CONFIG_PM
8430EXPORT_SYMBOL(mpt_resume);
8431EXPORT_SYMBOL(mpt_suspend);
8432#endif
8433EXPORT_SYMBOL(ioc_list);
8434EXPORT_SYMBOL(mpt_register);
8435EXPORT_SYMBOL(mpt_deregister);
8436EXPORT_SYMBOL(mpt_event_register);
8437EXPORT_SYMBOL(mpt_event_deregister);
8438EXPORT_SYMBOL(mpt_reset_register);
8439EXPORT_SYMBOL(mpt_reset_deregister);
8440EXPORT_SYMBOL(mpt_device_driver_register);
8441EXPORT_SYMBOL(mpt_device_driver_deregister);
8442EXPORT_SYMBOL(mpt_get_msg_frame);
8443EXPORT_SYMBOL(mpt_put_msg_frame);
8444EXPORT_SYMBOL(mpt_put_msg_frame_hi_pri);
8445EXPORT_SYMBOL(mpt_free_msg_frame);
8446EXPORT_SYMBOL(mpt_send_handshake_request);
8447EXPORT_SYMBOL(mpt_verify_adapter);
8448EXPORT_SYMBOL(mpt_GetIocState);
8449EXPORT_SYMBOL(mpt_print_ioc_summary);
8450EXPORT_SYMBOL(mpt_HardResetHandler);
8451EXPORT_SYMBOL(mpt_config);
8452EXPORT_SYMBOL(mpt_findImVolumes);
8453EXPORT_SYMBOL(mpt_alloc_fw_memory);
8454EXPORT_SYMBOL(mpt_free_fw_memory);
8455EXPORT_SYMBOL(mptbase_sas_persist_operation);
8456EXPORT_SYMBOL(mpt_raid_phys_disk_pg0);
8457
8458/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8459/**
8460 * fusion_init - Fusion MPT base driver initialization routine.
8461 *
8462 * Returns 0 for success, non-zero for failure.
8463 */
8464static int __init
8465fusion_init(void)
8466{
8467 u8 cb_idx;
8468
8469 show_mptmod_ver(my_NAME, my_VERSION);
8470 printk(KERN_INFO COPYRIGHT "\n");
8471
8472 for (cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
8473 MptCallbacks[cb_idx] = NULL;
8474 MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER;
8475 MptEvHandlers[cb_idx] = NULL;
8476 MptResetHandlers[cb_idx] = NULL;
8477 }
8478
8479 /* Register ourselves (mptbase) in order to facilitate
8480 * EventNotification handling.
8481 */
8482 mpt_base_index = mpt_register(mptbase_reply, MPTBASE_DRIVER,
8483 "mptbase_reply");
8484
8485 /* Register for hard reset handling callbacks.
8486 */
8487 mpt_reset_register(mpt_base_index, mpt_ioc_reset);
8488
8489#ifdef CONFIG_PROC_FS
8490 (void) procmpt_create();
8491#endif
8492 return 0;
8493}
8494
8495/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8496/**
8497 * fusion_exit - Perform driver unload cleanup.
8498 *
8499 * This routine frees all resources associated with each MPT adapter
8500 * and removes all %MPT_PROCFS_MPTBASEDIR entries.
8501 */
8502static void __exit
8503fusion_exit(void)
8504{
8505
8506 mpt_reset_deregister(mpt_base_index);
8507
8508#ifdef CONFIG_PROC_FS
8509 procmpt_destroy();
8510#endif
8511}
8512
8513module_init(fusion_init);
8514module_exit(fusion_exit);