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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
67#include "mptbase.h"
68#include "lsi/mpi_log_fc.h"
69
70/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
71#define my_NAME "Fusion MPT base driver"
72#define my_VERSION MPT_LINUX_VERSION_COMMON
73#define MYNAM "mptbase"
74
75MODULE_AUTHOR(MODULEAUTHOR);
76MODULE_DESCRIPTION(my_NAME);
77MODULE_LICENSE("GPL");
78MODULE_VERSION(my_VERSION);
79
80/*
81 * cmd line parameters
82 */
83
84static int mpt_msi_enable_spi;
85module_param(mpt_msi_enable_spi, int, 0);
86MODULE_PARM_DESC(mpt_msi_enable_spi,
87 " Enable MSI Support for SPI controllers (default=0)");
88
89static int mpt_msi_enable_fc;
90module_param(mpt_msi_enable_fc, int, 0);
91MODULE_PARM_DESC(mpt_msi_enable_fc,
92 " Enable MSI Support for FC controllers (default=0)");
93
94static int mpt_msi_enable_sas;
95module_param(mpt_msi_enable_sas, int, 0);
96MODULE_PARM_DESC(mpt_msi_enable_sas,
97 " Enable MSI Support for SAS controllers (default=0)");
98
99static int mpt_channel_mapping;
100module_param(mpt_channel_mapping, int, 0);
101MODULE_PARM_DESC(mpt_channel_mapping, " Mapping id's to channels (default=0)");
102
103static int mpt_debug_level;
104static int mpt_set_debug_level(const char *val, struct kernel_param *kp);
105module_param_call(mpt_debug_level, mpt_set_debug_level, param_get_int,
106 &mpt_debug_level, 0600);
107MODULE_PARM_DESC(mpt_debug_level,
108 " debug level - refer to mptdebug.h - (default=0)");
109
110int mpt_fwfault_debug;
111EXPORT_SYMBOL(mpt_fwfault_debug);
112module_param(mpt_fwfault_debug, int, 0600);
113MODULE_PARM_DESC(mpt_fwfault_debug,
114 "Enable detection of Firmware fault and halt Firmware on fault - (default=0)");
115
116static char MptCallbacksName[MPT_MAX_PROTOCOL_DRIVERS][50];
117
118#ifdef MFCNT
119static int mfcounter = 0;
120#define PRINT_MF_COUNT 20000
121#endif
122
123/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
124/*
125 * Public data...
126 */
127
128#define WHOINIT_UNKNOWN 0xAA
129
130/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
131/*
132 * Private data...
133 */
134 /* Adapter link list */
135LIST_HEAD(ioc_list);
136 /* Callback lookup table */
137static MPT_CALLBACK MptCallbacks[MPT_MAX_PROTOCOL_DRIVERS];
138 /* Protocol driver class lookup table */
139static int MptDriverClass[MPT_MAX_PROTOCOL_DRIVERS];
140 /* Event handler lookup table */
141static MPT_EVHANDLER MptEvHandlers[MPT_MAX_PROTOCOL_DRIVERS];
142 /* Reset handler lookup table */
143static MPT_RESETHANDLER MptResetHandlers[MPT_MAX_PROTOCOL_DRIVERS];
144static struct mpt_pci_driver *MptDeviceDriverHandlers[MPT_MAX_PROTOCOL_DRIVERS];
145
146#ifdef CONFIG_PROC_FS
147static struct proc_dir_entry *mpt_proc_root_dir;
148#endif
149
150/*
151 * Driver Callback Index's
152 */
153static u8 mpt_base_index = MPT_MAX_PROTOCOL_DRIVERS;
154static u8 last_drv_idx;
155
156/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
157/*
158 * Forward protos...
159 */
160static irqreturn_t mpt_interrupt(int irq, void *bus_id);
161static int mptbase_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
162 MPT_FRAME_HDR *reply);
163static int mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes,
164 u32 *req, int replyBytes, u16 *u16reply, int maxwait,
165 int sleepFlag);
166static int mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag);
167static void mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev);
168static void mpt_adapter_disable(MPT_ADAPTER *ioc);
169static void mpt_adapter_dispose(MPT_ADAPTER *ioc);
170
171static void MptDisplayIocCapabilities(MPT_ADAPTER *ioc);
172static int MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag);
173static int GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason);
174static int GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag);
175static int SendIocInit(MPT_ADAPTER *ioc, int sleepFlag);
176static int SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag);
177static int mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag);
178static int mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag);
179static int mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag);
180static int KickStart(MPT_ADAPTER *ioc, int ignore, int sleepFlag);
181static int SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag);
182static int PrimeIocFifos(MPT_ADAPTER *ioc);
183static int WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
184static int WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
185static int WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
186static int GetLanConfigPages(MPT_ADAPTER *ioc);
187static int GetIoUnitPage2(MPT_ADAPTER *ioc);
188int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
189static int mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum);
190static int mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum);
191static void mpt_read_ioc_pg_1(MPT_ADAPTER *ioc);
192static void mpt_read_ioc_pg_4(MPT_ADAPTER *ioc);
193static void mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc);
194static int SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch,
195 int sleepFlag);
196static int SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp);
197static int mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag);
198static int mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init);
199
200#ifdef CONFIG_PROC_FS
201static const struct file_operations mpt_summary_proc_fops;
202static const struct file_operations mpt_version_proc_fops;
203static const struct file_operations mpt_iocinfo_proc_fops;
204#endif
205static void mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc);
206
207static int ProcessEventNotification(MPT_ADAPTER *ioc,
208 EventNotificationReply_t *evReply, int *evHandlers);
209static void mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf);
210static void mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info);
211static void mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info);
212static void mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info , u8 cb_idx);
213static int mpt_read_ioc_pg_3(MPT_ADAPTER *ioc);
214static void mpt_inactive_raid_list_free(MPT_ADAPTER *ioc);
215
216/* module entry point */
217static int __init fusion_init (void);
218static void __exit fusion_exit (void);
219
220#define CHIPREG_READ32(addr) readl_relaxed(addr)
221#define CHIPREG_READ32_dmasync(addr) readl(addr)
222#define CHIPREG_WRITE32(addr,val) writel(val, addr)
223#define CHIPREG_PIO_WRITE32(addr,val) outl(val, (unsigned long)addr)
224#define CHIPREG_PIO_READ32(addr) inl((unsigned long)addr)
225
226static void
227pci_disable_io_access(struct pci_dev *pdev)
228{
229 u16 command_reg;
230
231 pci_read_config_word(pdev, PCI_COMMAND, &command_reg);
232 command_reg &= ~1;
233 pci_write_config_word(pdev, PCI_COMMAND, command_reg);
234}
235
236static void
237pci_enable_io_access(struct pci_dev *pdev)
238{
239 u16 command_reg;
240
241 pci_read_config_word(pdev, PCI_COMMAND, &command_reg);
242 command_reg |= 1;
243 pci_write_config_word(pdev, PCI_COMMAND, command_reg);
244}
245
246static int mpt_set_debug_level(const char *val, struct kernel_param *kp)
247{
248 int ret = param_set_int(val, kp);
249 MPT_ADAPTER *ioc;
250
251 if (ret)
252 return ret;
253
254 list_for_each_entry(ioc, &ioc_list, list)
255 ioc->debug_level = mpt_debug_level;
256 return 0;
257}
258
259/**
260 * mpt_get_cb_idx - obtain cb_idx for registered driver
261 * @dclass: class driver enum
262 *
263 * Returns cb_idx, or zero means it wasn't found
264 **/
265static u8
266mpt_get_cb_idx(MPT_DRIVER_CLASS dclass)
267{
268 u8 cb_idx;
269
270 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--)
271 if (MptDriverClass[cb_idx] == dclass)
272 return cb_idx;
273 return 0;
274}
275
276/**
277 * mpt_is_discovery_complete - determine if discovery has completed
278 * @ioc: per adatper instance
279 *
280 * Returns 1 when discovery completed, else zero.
281 */
282static int
283mpt_is_discovery_complete(MPT_ADAPTER *ioc)
284{
285 ConfigExtendedPageHeader_t hdr;
286 CONFIGPARMS cfg;
287 SasIOUnitPage0_t *buffer;
288 dma_addr_t dma_handle;
289 int rc = 0;
290
291 memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t));
292 memset(&cfg, 0, sizeof(CONFIGPARMS));
293 hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION;
294 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
295 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
296 cfg.cfghdr.ehdr = &hdr;
297 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
298
299 if ((mpt_config(ioc, &cfg)))
300 goto out;
301 if (!hdr.ExtPageLength)
302 goto out;
303
304 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
305 &dma_handle);
306 if (!buffer)
307 goto out;
308
309 cfg.physAddr = dma_handle;
310 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
311
312 if ((mpt_config(ioc, &cfg)))
313 goto out_free_consistent;
314
315 if (!(buffer->PhyData[0].PortFlags &
316 MPI_SAS_IOUNIT0_PORT_FLAGS_DISCOVERY_IN_PROGRESS))
317 rc = 1;
318
319 out_free_consistent:
320 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
321 buffer, dma_handle);
322 out:
323 return rc;
324}
325
326/**
327 * mpt_fault_reset_work - work performed on workq after ioc fault
328 * @work: input argument, used to derive ioc
329 *
330**/
331static void
332mpt_fault_reset_work(struct work_struct *work)
333{
334 MPT_ADAPTER *ioc =
335 container_of(work, MPT_ADAPTER, fault_reset_work.work);
336 u32 ioc_raw_state;
337 int rc;
338 unsigned long flags;
339
340 if (ioc->ioc_reset_in_progress || !ioc->active)
341 goto out;
342
343 ioc_raw_state = mpt_GetIocState(ioc, 0);
344 if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) {
345 printk(MYIOC_s_WARN_FMT "IOC is in FAULT state (%04xh)!!!\n",
346 ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK);
347 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
348 ioc->name, __func__);
349 rc = mpt_HardResetHandler(ioc, CAN_SLEEP);
350 printk(MYIOC_s_WARN_FMT "%s: HardReset: %s\n", ioc->name,
351 __func__, (rc == 0) ? "success" : "failed");
352 ioc_raw_state = mpt_GetIocState(ioc, 0);
353 if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT)
354 printk(MYIOC_s_WARN_FMT "IOC is in FAULT state after "
355 "reset (%04xh)\n", ioc->name, ioc_raw_state &
356 MPI_DOORBELL_DATA_MASK);
357 } else if (ioc->bus_type == SAS && ioc->sas_discovery_quiesce_io) {
358 if ((mpt_is_discovery_complete(ioc))) {
359 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "clearing "
360 "discovery_quiesce_io flag\n", ioc->name));
361 ioc->sas_discovery_quiesce_io = 0;
362 }
363 }
364
365 out:
366 /*
367 * Take turns polling alternate controller
368 */
369 if (ioc->alt_ioc)
370 ioc = ioc->alt_ioc;
371
372 /* rearm the timer */
373 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
374 if (ioc->reset_work_q)
375 queue_delayed_work(ioc->reset_work_q, &ioc->fault_reset_work,
376 msecs_to_jiffies(MPT_POLLING_INTERVAL));
377 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
378}
379
380
381/*
382 * Process turbo (context) reply...
383 */
384static void
385mpt_turbo_reply(MPT_ADAPTER *ioc, u32 pa)
386{
387 MPT_FRAME_HDR *mf = NULL;
388 MPT_FRAME_HDR *mr = NULL;
389 u16 req_idx = 0;
390 u8 cb_idx;
391
392 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got TURBO reply req_idx=%08x\n",
393 ioc->name, pa));
394
395 switch (pa >> MPI_CONTEXT_REPLY_TYPE_SHIFT) {
396 case MPI_CONTEXT_REPLY_TYPE_SCSI_INIT:
397 req_idx = pa & 0x0000FFFF;
398 cb_idx = (pa & 0x00FF0000) >> 16;
399 mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
400 break;
401 case MPI_CONTEXT_REPLY_TYPE_LAN:
402 cb_idx = mpt_get_cb_idx(MPTLAN_DRIVER);
403 /*
404 * Blind set of mf to NULL here was fatal
405 * after lan_reply says "freeme"
406 * Fix sort of combined with an optimization here;
407 * added explicit check for case where lan_reply
408 * was just returning 1 and doing nothing else.
409 * For this case skip the callback, but set up
410 * proper mf value first here:-)
411 */
412 if ((pa & 0x58000000) == 0x58000000) {
413 req_idx = pa & 0x0000FFFF;
414 mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
415 mpt_free_msg_frame(ioc, mf);
416 mb();
417 return;
418 break;
419 }
420 mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa);
421 break;
422 case MPI_CONTEXT_REPLY_TYPE_SCSI_TARGET:
423 cb_idx = mpt_get_cb_idx(MPTSTM_DRIVER);
424 mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa);
425 break;
426 default:
427 cb_idx = 0;
428 BUG();
429 }
430
431 /* Check for (valid) IO callback! */
432 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
433 MptCallbacks[cb_idx] == NULL) {
434 printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n",
435 __func__, ioc->name, cb_idx);
436 goto out;
437 }
438
439 if (MptCallbacks[cb_idx](ioc, mf, mr))
440 mpt_free_msg_frame(ioc, mf);
441 out:
442 mb();
443}
444
445static void
446mpt_reply(MPT_ADAPTER *ioc, u32 pa)
447{
448 MPT_FRAME_HDR *mf;
449 MPT_FRAME_HDR *mr;
450 u16 req_idx;
451 u8 cb_idx;
452 int freeme;
453
454 u32 reply_dma_low;
455 u16 ioc_stat;
456
457 /* non-TURBO reply! Hmmm, something may be up...
458 * Newest turbo reply mechanism; get address
459 * via left shift 1 (get rid of MPI_ADDRESS_REPLY_A_BIT)!
460 */
461
462 /* Map DMA address of reply header to cpu address.
463 * pa is 32 bits - but the dma address may be 32 or 64 bits
464 * get offset based only only the low addresses
465 */
466
467 reply_dma_low = (pa <<= 1);
468 mr = (MPT_FRAME_HDR *)((u8 *)ioc->reply_frames +
469 (reply_dma_low - ioc->reply_frames_low_dma));
470
471 req_idx = le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx);
472 cb_idx = mr->u.frame.hwhdr.msgctxu.fld.cb_idx;
473 mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
474
475 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got non-TURBO reply=%p req_idx=%x cb_idx=%x Function=%x\n",
476 ioc->name, mr, req_idx, cb_idx, mr->u.hdr.Function));
477 DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mr);
478
479 /* Check/log IOC log info
480 */
481 ioc_stat = le16_to_cpu(mr->u.reply.IOCStatus);
482 if (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
483 u32 log_info = le32_to_cpu(mr->u.reply.IOCLogInfo);
484 if (ioc->bus_type == FC)
485 mpt_fc_log_info(ioc, log_info);
486 else if (ioc->bus_type == SPI)
487 mpt_spi_log_info(ioc, log_info);
488 else if (ioc->bus_type == SAS)
489 mpt_sas_log_info(ioc, log_info, cb_idx);
490 }
491
492 if (ioc_stat & MPI_IOCSTATUS_MASK)
493 mpt_iocstatus_info(ioc, (u32)ioc_stat, mf);
494
495 /* Check for (valid) IO callback! */
496 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
497 MptCallbacks[cb_idx] == NULL) {
498 printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n",
499 __func__, ioc->name, cb_idx);
500 freeme = 0;
501 goto out;
502 }
503
504 freeme = MptCallbacks[cb_idx](ioc, mf, mr);
505
506 out:
507 /* Flush (non-TURBO) reply with a WRITE! */
508 CHIPREG_WRITE32(&ioc->chip->ReplyFifo, pa);
509
510 if (freeme)
511 mpt_free_msg_frame(ioc, mf);
512 mb();
513}
514
515/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
516/**
517 * mpt_interrupt - MPT adapter (IOC) specific interrupt handler.
518 * @irq: irq number (not used)
519 * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure
520 *
521 * This routine is registered via the request_irq() kernel API call,
522 * and handles all interrupts generated from a specific MPT adapter
523 * (also referred to as a IO Controller or IOC).
524 * This routine must clear the interrupt from the adapter and does
525 * so by reading the reply FIFO. Multiple replies may be processed
526 * per single call to this routine.
527 *
528 * This routine handles register-level access of the adapter but
529 * dispatches (calls) a protocol-specific callback routine to handle
530 * the protocol-specific details of the MPT request completion.
531 */
532static irqreturn_t
533mpt_interrupt(int irq, void *bus_id)
534{
535 MPT_ADAPTER *ioc = bus_id;
536 u32 pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo);
537
538 if (pa == 0xFFFFFFFF)
539 return IRQ_NONE;
540
541 /*
542 * Drain the reply FIFO!
543 */
544 do {
545 if (pa & MPI_ADDRESS_REPLY_A_BIT)
546 mpt_reply(ioc, pa);
547 else
548 mpt_turbo_reply(ioc, pa);
549 pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo);
550 } while (pa != 0xFFFFFFFF);
551
552 return IRQ_HANDLED;
553}
554
555/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
556/**
557 * mptbase_reply - MPT base driver's callback routine
558 * @ioc: Pointer to MPT_ADAPTER structure
559 * @req: Pointer to original MPT request frame
560 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
561 *
562 * MPT base driver's callback routine; all base driver
563 * "internal" request/reply processing is routed here.
564 * Currently used for EventNotification and EventAck handling.
565 *
566 * Returns 1 indicating original alloc'd request frame ptr
567 * should be freed, or 0 if it shouldn't.
568 */
569static int
570mptbase_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply)
571{
572 EventNotificationReply_t *pEventReply;
573 u8 event;
574 int evHandlers;
575 int freereq = 1;
576
577 switch (reply->u.hdr.Function) {
578 case MPI_FUNCTION_EVENT_NOTIFICATION:
579 pEventReply = (EventNotificationReply_t *)reply;
580 evHandlers = 0;
581 ProcessEventNotification(ioc, pEventReply, &evHandlers);
582 event = le32_to_cpu(pEventReply->Event) & 0xFF;
583 if (pEventReply->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY)
584 freereq = 0;
585 if (event != MPI_EVENT_EVENT_CHANGE)
586 break;
587 case MPI_FUNCTION_CONFIG:
588 case MPI_FUNCTION_SAS_IO_UNIT_CONTROL:
589 ioc->mptbase_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
590 if (reply) {
591 ioc->mptbase_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
592 memcpy(ioc->mptbase_cmds.reply, reply,
593 min(MPT_DEFAULT_FRAME_SIZE,
594 4 * reply->u.reply.MsgLength));
595 }
596 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) {
597 ioc->mptbase_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
598 complete(&ioc->mptbase_cmds.done);
599 } else
600 freereq = 0;
601 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_FREE_MF)
602 freereq = 1;
603 break;
604 case MPI_FUNCTION_EVENT_ACK:
605 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
606 "EventAck reply received\n", ioc->name));
607 break;
608 default:
609 printk(MYIOC_s_ERR_FMT
610 "Unexpected msg function (=%02Xh) reply received!\n",
611 ioc->name, reply->u.hdr.Function);
612 break;
613 }
614
615 /*
616 * Conditionally tell caller to free the original
617 * EventNotification/EventAck/unexpected request frame!
618 */
619 return freereq;
620}
621
622/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
623/**
624 * mpt_register - Register protocol-specific main callback handler.
625 * @cbfunc: callback function pointer
626 * @dclass: Protocol driver's class (%MPT_DRIVER_CLASS enum value)
627 * @func_name: call function's name
628 *
629 * This routine is called by a protocol-specific driver (SCSI host,
630 * LAN, SCSI target) to register its reply callback routine. Each
631 * protocol-specific driver must do this before it will be able to
632 * use any IOC resources, such as obtaining request frames.
633 *
634 * NOTES: The SCSI protocol driver currently calls this routine thrice
635 * in order to register separate callbacks; one for "normal" SCSI IO;
636 * one for MptScsiTaskMgmt requests; one for Scan/DV requests.
637 *
638 * Returns u8 valued "handle" in the range (and S.O.D. order)
639 * {N,...,7,6,5,...,1} if successful.
640 * A return value of MPT_MAX_PROTOCOL_DRIVERS (including zero!) should be
641 * considered an error by the caller.
642 */
643u8
644mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass, char *func_name)
645{
646 u8 cb_idx;
647 last_drv_idx = MPT_MAX_PROTOCOL_DRIVERS;
648
649 /*
650 * Search for empty callback slot in this order: {N,...,7,6,5,...,1}
651 * (slot/handle 0 is reserved!)
652 */
653 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
654 if (MptCallbacks[cb_idx] == NULL) {
655 MptCallbacks[cb_idx] = cbfunc;
656 MptDriverClass[cb_idx] = dclass;
657 MptEvHandlers[cb_idx] = NULL;
658 last_drv_idx = cb_idx;
659 memcpy(MptCallbacksName[cb_idx], func_name,
660 strlen(func_name) > 50 ? 50 : strlen(func_name));
661 break;
662 }
663 }
664
665 return last_drv_idx;
666}
667
668/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
669/**
670 * mpt_deregister - Deregister a protocol drivers resources.
671 * @cb_idx: previously registered callback handle
672 *
673 * Each protocol-specific driver should call this routine when its
674 * module is unloaded.
675 */
676void
677mpt_deregister(u8 cb_idx)
678{
679 if (cb_idx && (cb_idx < MPT_MAX_PROTOCOL_DRIVERS)) {
680 MptCallbacks[cb_idx] = NULL;
681 MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER;
682 MptEvHandlers[cb_idx] = NULL;
683
684 last_drv_idx++;
685 }
686}
687
688/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
689/**
690 * mpt_event_register - Register protocol-specific event callback handler.
691 * @cb_idx: previously registered (via mpt_register) callback handle
692 * @ev_cbfunc: callback function
693 *
694 * This routine can be called by one or more protocol-specific drivers
695 * if/when they choose to be notified of MPT events.
696 *
697 * Returns 0 for success.
698 */
699int
700mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc)
701{
702 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
703 return -1;
704
705 MptEvHandlers[cb_idx] = ev_cbfunc;
706 return 0;
707}
708
709/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
710/**
711 * mpt_event_deregister - Deregister protocol-specific event callback handler
712 * @cb_idx: previously registered callback handle
713 *
714 * Each protocol-specific driver should call this routine
715 * when it does not (or can no longer) handle events,
716 * or when its module is unloaded.
717 */
718void
719mpt_event_deregister(u8 cb_idx)
720{
721 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
722 return;
723
724 MptEvHandlers[cb_idx] = NULL;
725}
726
727/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
728/**
729 * mpt_reset_register - Register protocol-specific IOC reset handler.
730 * @cb_idx: previously registered (via mpt_register) callback handle
731 * @reset_func: reset function
732 *
733 * This routine can be called by one or more protocol-specific drivers
734 * if/when they choose to be notified of IOC resets.
735 *
736 * Returns 0 for success.
737 */
738int
739mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func)
740{
741 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
742 return -1;
743
744 MptResetHandlers[cb_idx] = reset_func;
745 return 0;
746}
747
748/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
749/**
750 * mpt_reset_deregister - Deregister protocol-specific IOC reset handler.
751 * @cb_idx: previously registered callback handle
752 *
753 * Each protocol-specific driver should call this routine
754 * when it does not (or can no longer) handle IOC reset handling,
755 * or when its module is unloaded.
756 */
757void
758mpt_reset_deregister(u8 cb_idx)
759{
760 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
761 return;
762
763 MptResetHandlers[cb_idx] = NULL;
764}
765
766/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
767/**
768 * mpt_device_driver_register - Register device driver hooks
769 * @dd_cbfunc: driver callbacks struct
770 * @cb_idx: MPT protocol driver index
771 */
772int
773mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx)
774{
775 MPT_ADAPTER *ioc;
776 const struct pci_device_id *id;
777
778 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
779 return -EINVAL;
780
781 MptDeviceDriverHandlers[cb_idx] = dd_cbfunc;
782
783 /* call per pci device probe entry point */
784 list_for_each_entry(ioc, &ioc_list, list) {
785 id = ioc->pcidev->driver ?
786 ioc->pcidev->driver->id_table : NULL;
787 if (dd_cbfunc->probe)
788 dd_cbfunc->probe(ioc->pcidev, id);
789 }
790
791 return 0;
792}
793
794/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
795/**
796 * mpt_device_driver_deregister - DeRegister device driver hooks
797 * @cb_idx: MPT protocol driver index
798 */
799void
800mpt_device_driver_deregister(u8 cb_idx)
801{
802 struct mpt_pci_driver *dd_cbfunc;
803 MPT_ADAPTER *ioc;
804
805 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
806 return;
807
808 dd_cbfunc = MptDeviceDriverHandlers[cb_idx];
809
810 list_for_each_entry(ioc, &ioc_list, list) {
811 if (dd_cbfunc->remove)
812 dd_cbfunc->remove(ioc->pcidev);
813 }
814
815 MptDeviceDriverHandlers[cb_idx] = NULL;
816}
817
818
819/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
820/**
821 * mpt_get_msg_frame - Obtain an MPT request frame from the pool
822 * @cb_idx: Handle of registered MPT protocol driver
823 * @ioc: Pointer to MPT adapter structure
824 *
825 * Obtain an MPT request frame from the pool (of 1024) that are
826 * allocated per MPT adapter.
827 *
828 * Returns pointer to a MPT request frame or %NULL if none are available
829 * or IOC is not active.
830 */
831MPT_FRAME_HDR*
832mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc)
833{
834 MPT_FRAME_HDR *mf;
835 unsigned long flags;
836 u16 req_idx; /* Request index */
837
838 /* validate handle and ioc identifier */
839
840#ifdef MFCNT
841 if (!ioc->active)
842 printk(MYIOC_s_WARN_FMT "IOC Not Active! mpt_get_msg_frame "
843 "returning NULL!\n", ioc->name);
844#endif
845
846 /* If interrupts are not attached, do not return a request frame */
847 if (!ioc->active)
848 return NULL;
849
850 spin_lock_irqsave(&ioc->FreeQlock, flags);
851 if (!list_empty(&ioc->FreeQ)) {
852 int req_offset;
853
854 mf = list_entry(ioc->FreeQ.next, MPT_FRAME_HDR,
855 u.frame.linkage.list);
856 list_del(&mf->u.frame.linkage.list);
857 mf->u.frame.linkage.arg1 = 0;
858 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; /* byte */
859 req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
860 /* u16! */
861 req_idx = req_offset / ioc->req_sz;
862 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
863 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
864 /* Default, will be changed if necessary in SG generation */
865 ioc->RequestNB[req_idx] = ioc->NB_for_64_byte_frame;
866#ifdef MFCNT
867 ioc->mfcnt++;
868#endif
869 }
870 else
871 mf = NULL;
872 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
873
874#ifdef MFCNT
875 if (mf == NULL)
876 printk(MYIOC_s_WARN_FMT "IOC Active. No free Msg Frames! "
877 "Count 0x%x Max 0x%x\n", ioc->name, ioc->mfcnt,
878 ioc->req_depth);
879 mfcounter++;
880 if (mfcounter == PRINT_MF_COUNT)
881 printk(MYIOC_s_INFO_FMT "MF Count 0x%x Max 0x%x \n", ioc->name,
882 ioc->mfcnt, ioc->req_depth);
883#endif
884
885 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_get_msg_frame(%d,%d), got mf=%p\n",
886 ioc->name, cb_idx, ioc->id, mf));
887 return mf;
888}
889
890/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
891/**
892 * mpt_put_msg_frame - Send a protocol-specific MPT request frame to an IOC
893 * @cb_idx: Handle of registered MPT protocol driver
894 * @ioc: Pointer to MPT adapter structure
895 * @mf: Pointer to MPT request frame
896 *
897 * This routine posts an MPT request frame to the request post FIFO of a
898 * specific MPT adapter.
899 */
900void
901mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
902{
903 u32 mf_dma_addr;
904 int req_offset;
905 u16 req_idx; /* Request index */
906
907 /* ensure values are reset properly! */
908 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; /* byte */
909 req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
910 /* u16! */
911 req_idx = req_offset / ioc->req_sz;
912 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
913 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
914
915 DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf);
916
917 mf_dma_addr = (ioc->req_frames_low_dma + req_offset) | ioc->RequestNB[req_idx];
918 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d "
919 "RequestNB=%x\n", ioc->name, mf_dma_addr, req_idx,
920 ioc->RequestNB[req_idx]));
921 CHIPREG_WRITE32(&ioc->chip->RequestFifo, mf_dma_addr);
922}
923
924/**
925 * mpt_put_msg_frame_hi_pri - Send a hi-pri protocol-specific MPT request frame
926 * @cb_idx: Handle of registered MPT protocol driver
927 * @ioc: Pointer to MPT adapter structure
928 * @mf: Pointer to MPT request frame
929 *
930 * Send a protocol-specific MPT request frame to an IOC using
931 * hi-priority request queue.
932 *
933 * This routine posts an MPT request frame to the request post FIFO of a
934 * specific MPT adapter.
935 **/
936void
937mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
938{
939 u32 mf_dma_addr;
940 int req_offset;
941 u16 req_idx; /* Request index */
942
943 /* ensure values are reset properly! */
944 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;
945 req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
946 req_idx = req_offset / ioc->req_sz;
947 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
948 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
949
950 DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf);
951
952 mf_dma_addr = (ioc->req_frames_low_dma + req_offset);
953 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d\n",
954 ioc->name, mf_dma_addr, req_idx));
955 CHIPREG_WRITE32(&ioc->chip->RequestHiPriFifo, mf_dma_addr);
956}
957
958/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
959/**
960 * mpt_free_msg_frame - Place MPT request frame back on FreeQ.
961 * @ioc: Pointer to MPT adapter structure
962 * @mf: Pointer to MPT request frame
963 *
964 * This routine places a MPT request frame back on the MPT adapter's
965 * FreeQ.
966 */
967void
968mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
969{
970 unsigned long flags;
971
972 /* Put Request back on FreeQ! */
973 spin_lock_irqsave(&ioc->FreeQlock, flags);
974 if (cpu_to_le32(mf->u.frame.linkage.arg1) == 0xdeadbeaf)
975 goto out;
976 /* signature to know if this mf is freed */
977 mf->u.frame.linkage.arg1 = cpu_to_le32(0xdeadbeaf);
978 list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeQ);
979#ifdef MFCNT
980 ioc->mfcnt--;
981#endif
982 out:
983 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
984}
985
986/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
987/**
988 * mpt_add_sge - Place a simple 32 bit SGE at address pAddr.
989 * @pAddr: virtual address for SGE
990 * @flagslength: SGE flags and data transfer length
991 * @dma_addr: Physical address
992 *
993 * This routine places a MPT request frame back on the MPT adapter's
994 * FreeQ.
995 */
996static void
997mpt_add_sge(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
998{
999 SGESimple32_t *pSge = (SGESimple32_t *) pAddr;
1000 pSge->FlagsLength = cpu_to_le32(flagslength);
1001 pSge->Address = cpu_to_le32(dma_addr);
1002}
1003
1004/**
1005 * mpt_add_sge_64bit - Place a simple 64 bit SGE at address pAddr.
1006 * @pAddr: virtual address for SGE
1007 * @flagslength: SGE flags and data transfer length
1008 * @dma_addr: Physical address
1009 *
1010 * This routine places a MPT request frame back on the MPT adapter's
1011 * FreeQ.
1012 **/
1013static void
1014mpt_add_sge_64bit(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
1015{
1016 SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
1017 pSge->Address.Low = cpu_to_le32
1018 (lower_32_bits(dma_addr));
1019 pSge->Address.High = cpu_to_le32
1020 (upper_32_bits(dma_addr));
1021 pSge->FlagsLength = cpu_to_le32
1022 ((flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING));
1023}
1024
1025/**
1026 * mpt_add_sge_64bit_1078 - Place a simple 64 bit SGE at address pAddr (1078 workaround).
1027 * @pAddr: virtual address for SGE
1028 * @flagslength: SGE flags and data transfer length
1029 * @dma_addr: Physical address
1030 *
1031 * This routine places a MPT request frame back on the MPT adapter's
1032 * FreeQ.
1033 **/
1034static void
1035mpt_add_sge_64bit_1078(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
1036{
1037 SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
1038 u32 tmp;
1039
1040 pSge->Address.Low = cpu_to_le32
1041 (lower_32_bits(dma_addr));
1042 tmp = (u32)(upper_32_bits(dma_addr));
1043
1044 /*
1045 * 1078 errata workaround for the 36GB limitation
1046 */
1047 if ((((u64)dma_addr + MPI_SGE_LENGTH(flagslength)) >> 32) == 9) {
1048 flagslength |=
1049 MPI_SGE_SET_FLAGS(MPI_SGE_FLAGS_LOCAL_ADDRESS);
1050 tmp |= (1<<31);
1051 if (mpt_debug_level & MPT_DEBUG_36GB_MEM)
1052 printk(KERN_DEBUG "1078 P0M2 addressing for "
1053 "addr = 0x%llx len = %d\n",
1054 (unsigned long long)dma_addr,
1055 MPI_SGE_LENGTH(flagslength));
1056 }
1057
1058 pSge->Address.High = cpu_to_le32(tmp);
1059 pSge->FlagsLength = cpu_to_le32(
1060 (flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING));
1061}
1062
1063/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1064/**
1065 * mpt_add_chain - Place a 32 bit chain SGE at address pAddr.
1066 * @pAddr: virtual address for SGE
1067 * @next: nextChainOffset value (u32's)
1068 * @length: length of next SGL segment
1069 * @dma_addr: Physical address
1070 *
1071 */
1072static void
1073mpt_add_chain(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr)
1074{
1075 SGEChain32_t *pChain = (SGEChain32_t *) pAddr;
1076 pChain->Length = cpu_to_le16(length);
1077 pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT;
1078 pChain->NextChainOffset = next;
1079 pChain->Address = cpu_to_le32(dma_addr);
1080}
1081
1082/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1083/**
1084 * mpt_add_chain_64bit - Place a 64 bit chain SGE at address pAddr.
1085 * @pAddr: virtual address for SGE
1086 * @next: nextChainOffset value (u32's)
1087 * @length: length of next SGL segment
1088 * @dma_addr: Physical address
1089 *
1090 */
1091static void
1092mpt_add_chain_64bit(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr)
1093{
1094 SGEChain64_t *pChain = (SGEChain64_t *) pAddr;
1095 u32 tmp = dma_addr & 0xFFFFFFFF;
1096
1097 pChain->Length = cpu_to_le16(length);
1098 pChain->Flags = (MPI_SGE_FLAGS_CHAIN_ELEMENT |
1099 MPI_SGE_FLAGS_64_BIT_ADDRESSING);
1100
1101 pChain->NextChainOffset = next;
1102
1103 pChain->Address.Low = cpu_to_le32(tmp);
1104 tmp = (u32)(upper_32_bits(dma_addr));
1105 pChain->Address.High = cpu_to_le32(tmp);
1106}
1107
1108/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1109/**
1110 * mpt_send_handshake_request - Send MPT request via doorbell handshake method.
1111 * @cb_idx: Handle of registered MPT protocol driver
1112 * @ioc: Pointer to MPT adapter structure
1113 * @reqBytes: Size of the request in bytes
1114 * @req: Pointer to MPT request frame
1115 * @sleepFlag: Use schedule if CAN_SLEEP else use udelay.
1116 *
1117 * This routine is used exclusively to send MptScsiTaskMgmt
1118 * requests since they are required to be sent via doorbell handshake.
1119 *
1120 * NOTE: It is the callers responsibility to byte-swap fields in the
1121 * request which are greater than 1 byte in size.
1122 *
1123 * Returns 0 for success, non-zero for failure.
1124 */
1125int
1126mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag)
1127{
1128 int r = 0;
1129 u8 *req_as_bytes;
1130 int ii;
1131
1132 /* State is known to be good upon entering
1133 * this function so issue the bus reset
1134 * request.
1135 */
1136
1137 /*
1138 * Emulate what mpt_put_msg_frame() does /wrt to sanity
1139 * setting cb_idx/req_idx. But ONLY if this request
1140 * is in proper (pre-alloc'd) request buffer range...
1141 */
1142 ii = MFPTR_2_MPT_INDEX(ioc,(MPT_FRAME_HDR*)req);
1143 if (reqBytes >= 12 && ii >= 0 && ii < ioc->req_depth) {
1144 MPT_FRAME_HDR *mf = (MPT_FRAME_HDR*)req;
1145 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(ii);
1146 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;
1147 }
1148
1149 /* Make sure there are no doorbells */
1150 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1151
1152 CHIPREG_WRITE32(&ioc->chip->Doorbell,
1153 ((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) |
1154 ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT)));
1155
1156 /* Wait for IOC doorbell int */
1157 if ((ii = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) {
1158 return ii;
1159 }
1160
1161 /* Read doorbell and check for active bit */
1162 if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE))
1163 return -5;
1164
1165 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_send_handshake_request start, WaitCnt=%d\n",
1166 ioc->name, ii));
1167
1168 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1169
1170 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
1171 return -2;
1172 }
1173
1174 /* Send request via doorbell handshake */
1175 req_as_bytes = (u8 *) req;
1176 for (ii = 0; ii < reqBytes/4; ii++) {
1177 u32 word;
1178
1179 word = ((req_as_bytes[(ii*4) + 0] << 0) |
1180 (req_as_bytes[(ii*4) + 1] << 8) |
1181 (req_as_bytes[(ii*4) + 2] << 16) |
1182 (req_as_bytes[(ii*4) + 3] << 24));
1183 CHIPREG_WRITE32(&ioc->chip->Doorbell, word);
1184 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
1185 r = -3;
1186 break;
1187 }
1188 }
1189
1190 if (r >= 0 && WaitForDoorbellInt(ioc, 10, sleepFlag) >= 0)
1191 r = 0;
1192 else
1193 r = -4;
1194
1195 /* Make sure there are no doorbells */
1196 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1197
1198 return r;
1199}
1200
1201/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1202/**
1203 * mpt_host_page_access_control - control the IOC's Host Page Buffer access
1204 * @ioc: Pointer to MPT adapter structure
1205 * @access_control_value: define bits below
1206 * @sleepFlag: Specifies whether the process can sleep
1207 *
1208 * Provides mechanism for the host driver to control the IOC's
1209 * Host Page Buffer access.
1210 *
1211 * Access Control Value - bits[15:12]
1212 * 0h Reserved
1213 * 1h Enable Access { MPI_DB_HPBAC_ENABLE_ACCESS }
1214 * 2h Disable Access { MPI_DB_HPBAC_DISABLE_ACCESS }
1215 * 3h Free Buffer { MPI_DB_HPBAC_FREE_BUFFER }
1216 *
1217 * Returns 0 for success, non-zero for failure.
1218 */
1219
1220static int
1221mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag)
1222{
1223 int r = 0;
1224
1225 /* return if in use */
1226 if (CHIPREG_READ32(&ioc->chip->Doorbell)
1227 & MPI_DOORBELL_ACTIVE)
1228 return -1;
1229
1230 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1231
1232 CHIPREG_WRITE32(&ioc->chip->Doorbell,
1233 ((MPI_FUNCTION_HOST_PAGEBUF_ACCESS_CONTROL
1234 <<MPI_DOORBELL_FUNCTION_SHIFT) |
1235 (access_control_value<<12)));
1236
1237 /* Wait for IOC to clear Doorbell Status bit */
1238 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
1239 return -2;
1240 }else
1241 return 0;
1242}
1243
1244/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1245/**
1246 * mpt_host_page_alloc - allocate system memory for the fw
1247 * @ioc: Pointer to pointer to IOC adapter
1248 * @ioc_init: Pointer to ioc init config page
1249 *
1250 * If we already allocated memory in past, then resend the same pointer.
1251 * Returns 0 for success, non-zero for failure.
1252 */
1253static int
1254mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init)
1255{
1256 char *psge;
1257 int flags_length;
1258 u32 host_page_buffer_sz=0;
1259
1260 if(!ioc->HostPageBuffer) {
1261
1262 host_page_buffer_sz =
1263 le32_to_cpu(ioc->facts.HostPageBufferSGE.FlagsLength) & 0xFFFFFF;
1264
1265 if(!host_page_buffer_sz)
1266 return 0; /* fw doesn't need any host buffers */
1267
1268 /* spin till we get enough memory */
1269 while(host_page_buffer_sz > 0) {
1270
1271 if((ioc->HostPageBuffer = pci_alloc_consistent(
1272 ioc->pcidev,
1273 host_page_buffer_sz,
1274 &ioc->HostPageBuffer_dma)) != NULL) {
1275
1276 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1277 "host_page_buffer @ %p, dma @ %x, sz=%d bytes\n",
1278 ioc->name, ioc->HostPageBuffer,
1279 (u32)ioc->HostPageBuffer_dma,
1280 host_page_buffer_sz));
1281 ioc->alloc_total += host_page_buffer_sz;
1282 ioc->HostPageBuffer_sz = host_page_buffer_sz;
1283 break;
1284 }
1285
1286 host_page_buffer_sz -= (4*1024);
1287 }
1288 }
1289
1290 if(!ioc->HostPageBuffer) {
1291 printk(MYIOC_s_ERR_FMT
1292 "Failed to alloc memory for host_page_buffer!\n",
1293 ioc->name);
1294 return -999;
1295 }
1296
1297 psge = (char *)&ioc_init->HostPageBufferSGE;
1298 flags_length = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
1299 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
1300 MPI_SGE_FLAGS_HOST_TO_IOC |
1301 MPI_SGE_FLAGS_END_OF_BUFFER;
1302 flags_length = flags_length << MPI_SGE_FLAGS_SHIFT;
1303 flags_length |= ioc->HostPageBuffer_sz;
1304 ioc->add_sge(psge, flags_length, ioc->HostPageBuffer_dma);
1305 ioc->facts.HostPageBufferSGE = ioc_init->HostPageBufferSGE;
1306
1307return 0;
1308}
1309
1310/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1311/**
1312 * mpt_verify_adapter - Given IOC identifier, set pointer to its adapter structure.
1313 * @iocid: IOC unique identifier (integer)
1314 * @iocpp: Pointer to pointer to IOC adapter
1315 *
1316 * Given a unique IOC identifier, set pointer to the associated MPT
1317 * adapter structure.
1318 *
1319 * Returns iocid and sets iocpp if iocid is found.
1320 * Returns -1 if iocid is not found.
1321 */
1322int
1323mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp)
1324{
1325 MPT_ADAPTER *ioc;
1326
1327 list_for_each_entry(ioc,&ioc_list,list) {
1328 if (ioc->id == iocid) {
1329 *iocpp =ioc;
1330 return iocid;
1331 }
1332 }
1333
1334 *iocpp = NULL;
1335 return -1;
1336}
1337
1338/**
1339 * mpt_get_product_name - returns product string
1340 * @vendor: pci vendor id
1341 * @device: pci device id
1342 * @revision: pci revision id
1343 * @prod_name: string returned
1344 *
1345 * Returns product string displayed when driver loads,
1346 * in /proc/mpt/summary and /sysfs/class/scsi_host/host<X>/version_product
1347 *
1348 **/
1349static void
1350mpt_get_product_name(u16 vendor, u16 device, u8 revision, char *prod_name)
1351{
1352 char *product_str = NULL;
1353
1354 if (vendor == PCI_VENDOR_ID_BROCADE) {
1355 switch (device)
1356 {
1357 case MPI_MANUFACTPAGE_DEVICEID_FC949E:
1358 switch (revision)
1359 {
1360 case 0x00:
1361 product_str = "BRE040 A0";
1362 break;
1363 case 0x01:
1364 product_str = "BRE040 A1";
1365 break;
1366 default:
1367 product_str = "BRE040";
1368 break;
1369 }
1370 break;
1371 }
1372 goto out;
1373 }
1374
1375 switch (device)
1376 {
1377 case MPI_MANUFACTPAGE_DEVICEID_FC909:
1378 product_str = "LSIFC909 B1";
1379 break;
1380 case MPI_MANUFACTPAGE_DEVICEID_FC919:
1381 product_str = "LSIFC919 B0";
1382 break;
1383 case MPI_MANUFACTPAGE_DEVICEID_FC929:
1384 product_str = "LSIFC929 B0";
1385 break;
1386 case MPI_MANUFACTPAGE_DEVICEID_FC919X:
1387 if (revision < 0x80)
1388 product_str = "LSIFC919X A0";
1389 else
1390 product_str = "LSIFC919XL A1";
1391 break;
1392 case MPI_MANUFACTPAGE_DEVICEID_FC929X:
1393 if (revision < 0x80)
1394 product_str = "LSIFC929X A0";
1395 else
1396 product_str = "LSIFC929XL A1";
1397 break;
1398 case MPI_MANUFACTPAGE_DEVICEID_FC939X:
1399 product_str = "LSIFC939X A1";
1400 break;
1401 case MPI_MANUFACTPAGE_DEVICEID_FC949X:
1402 product_str = "LSIFC949X A1";
1403 break;
1404 case MPI_MANUFACTPAGE_DEVICEID_FC949E:
1405 switch (revision)
1406 {
1407 case 0x00:
1408 product_str = "LSIFC949E A0";
1409 break;
1410 case 0x01:
1411 product_str = "LSIFC949E A1";
1412 break;
1413 default:
1414 product_str = "LSIFC949E";
1415 break;
1416 }
1417 break;
1418 case MPI_MANUFACTPAGE_DEVID_53C1030:
1419 switch (revision)
1420 {
1421 case 0x00:
1422 product_str = "LSI53C1030 A0";
1423 break;
1424 case 0x01:
1425 product_str = "LSI53C1030 B0";
1426 break;
1427 case 0x03:
1428 product_str = "LSI53C1030 B1";
1429 break;
1430 case 0x07:
1431 product_str = "LSI53C1030 B2";
1432 break;
1433 case 0x08:
1434 product_str = "LSI53C1030 C0";
1435 break;
1436 case 0x80:
1437 product_str = "LSI53C1030T A0";
1438 break;
1439 case 0x83:
1440 product_str = "LSI53C1030T A2";
1441 break;
1442 case 0x87:
1443 product_str = "LSI53C1030T A3";
1444 break;
1445 case 0xc1:
1446 product_str = "LSI53C1020A A1";
1447 break;
1448 default:
1449 product_str = "LSI53C1030";
1450 break;
1451 }
1452 break;
1453 case MPI_MANUFACTPAGE_DEVID_1030_53C1035:
1454 switch (revision)
1455 {
1456 case 0x03:
1457 product_str = "LSI53C1035 A2";
1458 break;
1459 case 0x04:
1460 product_str = "LSI53C1035 B0";
1461 break;
1462 default:
1463 product_str = "LSI53C1035";
1464 break;
1465 }
1466 break;
1467 case MPI_MANUFACTPAGE_DEVID_SAS1064:
1468 switch (revision)
1469 {
1470 case 0x00:
1471 product_str = "LSISAS1064 A1";
1472 break;
1473 case 0x01:
1474 product_str = "LSISAS1064 A2";
1475 break;
1476 case 0x02:
1477 product_str = "LSISAS1064 A3";
1478 break;
1479 case 0x03:
1480 product_str = "LSISAS1064 A4";
1481 break;
1482 default:
1483 product_str = "LSISAS1064";
1484 break;
1485 }
1486 break;
1487 case MPI_MANUFACTPAGE_DEVID_SAS1064E:
1488 switch (revision)
1489 {
1490 case 0x00:
1491 product_str = "LSISAS1064E A0";
1492 break;
1493 case 0x01:
1494 product_str = "LSISAS1064E B0";
1495 break;
1496 case 0x02:
1497 product_str = "LSISAS1064E B1";
1498 break;
1499 case 0x04:
1500 product_str = "LSISAS1064E B2";
1501 break;
1502 case 0x08:
1503 product_str = "LSISAS1064E B3";
1504 break;
1505 default:
1506 product_str = "LSISAS1064E";
1507 break;
1508 }
1509 break;
1510 case MPI_MANUFACTPAGE_DEVID_SAS1068:
1511 switch (revision)
1512 {
1513 case 0x00:
1514 product_str = "LSISAS1068 A0";
1515 break;
1516 case 0x01:
1517 product_str = "LSISAS1068 B0";
1518 break;
1519 case 0x02:
1520 product_str = "LSISAS1068 B1";
1521 break;
1522 default:
1523 product_str = "LSISAS1068";
1524 break;
1525 }
1526 break;
1527 case MPI_MANUFACTPAGE_DEVID_SAS1068E:
1528 switch (revision)
1529 {
1530 case 0x00:
1531 product_str = "LSISAS1068E A0";
1532 break;
1533 case 0x01:
1534 product_str = "LSISAS1068E B0";
1535 break;
1536 case 0x02:
1537 product_str = "LSISAS1068E B1";
1538 break;
1539 case 0x04:
1540 product_str = "LSISAS1068E B2";
1541 break;
1542 case 0x08:
1543 product_str = "LSISAS1068E B3";
1544 break;
1545 default:
1546 product_str = "LSISAS1068E";
1547 break;
1548 }
1549 break;
1550 case MPI_MANUFACTPAGE_DEVID_SAS1078:
1551 switch (revision)
1552 {
1553 case 0x00:
1554 product_str = "LSISAS1078 A0";
1555 break;
1556 case 0x01:
1557 product_str = "LSISAS1078 B0";
1558 break;
1559 case 0x02:
1560 product_str = "LSISAS1078 C0";
1561 break;
1562 case 0x03:
1563 product_str = "LSISAS1078 C1";
1564 break;
1565 case 0x04:
1566 product_str = "LSISAS1078 C2";
1567 break;
1568 default:
1569 product_str = "LSISAS1078";
1570 break;
1571 }
1572 break;
1573 }
1574
1575 out:
1576 if (product_str)
1577 sprintf(prod_name, "%s", product_str);
1578}
1579
1580/**
1581 * mpt_mapresources - map in memory mapped io
1582 * @ioc: Pointer to pointer to IOC adapter
1583 *
1584 **/
1585static int
1586mpt_mapresources(MPT_ADAPTER *ioc)
1587{
1588 u8 __iomem *mem;
1589 int ii;
1590 resource_size_t mem_phys;
1591 unsigned long port;
1592 u32 msize;
1593 u32 psize;
1594 u8 revision;
1595 int r = -ENODEV;
1596 struct pci_dev *pdev;
1597
1598 pdev = ioc->pcidev;
1599 ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
1600 if (pci_enable_device_mem(pdev)) {
1601 printk(MYIOC_s_ERR_FMT "pci_enable_device_mem() "
1602 "failed\n", ioc->name);
1603 return r;
1604 }
1605 if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) {
1606 printk(MYIOC_s_ERR_FMT "pci_request_selected_regions() with "
1607 "MEM failed\n", ioc->name);
1608 return r;
1609 }
1610
1611 pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision);
1612
1613 if (sizeof(dma_addr_t) > 4) {
1614 const uint64_t required_mask = dma_get_required_mask
1615 (&pdev->dev);
1616 if (required_mask > DMA_BIT_MASK(32)
1617 && !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))
1618 && !pci_set_consistent_dma_mask(pdev,
1619 DMA_BIT_MASK(64))) {
1620 ioc->dma_mask = DMA_BIT_MASK(64);
1621 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
1622 ": 64 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
1623 ioc->name));
1624 } else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
1625 && !pci_set_consistent_dma_mask(pdev,
1626 DMA_BIT_MASK(32))) {
1627 ioc->dma_mask = DMA_BIT_MASK(32);
1628 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
1629 ": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
1630 ioc->name));
1631 } else {
1632 printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n",
1633 ioc->name, pci_name(pdev));
1634 pci_release_selected_regions(pdev, ioc->bars);
1635 return r;
1636 }
1637 } else {
1638 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
1639 && !pci_set_consistent_dma_mask(pdev,
1640 DMA_BIT_MASK(32))) {
1641 ioc->dma_mask = DMA_BIT_MASK(32);
1642 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
1643 ": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
1644 ioc->name));
1645 } else {
1646 printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n",
1647 ioc->name, pci_name(pdev));
1648 pci_release_selected_regions(pdev, ioc->bars);
1649 return r;
1650 }
1651 }
1652
1653 mem_phys = msize = 0;
1654 port = psize = 0;
1655 for (ii = 0; ii < DEVICE_COUNT_RESOURCE; ii++) {
1656 if (pci_resource_flags(pdev, ii) & PCI_BASE_ADDRESS_SPACE_IO) {
1657 if (psize)
1658 continue;
1659 /* Get I/O space! */
1660 port = pci_resource_start(pdev, ii);
1661 psize = pci_resource_len(pdev, ii);
1662 } else {
1663 if (msize)
1664 continue;
1665 /* Get memmap */
1666 mem_phys = pci_resource_start(pdev, ii);
1667 msize = pci_resource_len(pdev, ii);
1668 }
1669 }
1670 ioc->mem_size = msize;
1671
1672 mem = NULL;
1673 /* Get logical ptr for PciMem0 space */
1674 /*mem = ioremap(mem_phys, msize);*/
1675 mem = ioremap(mem_phys, msize);
1676 if (mem == NULL) {
1677 printk(MYIOC_s_ERR_FMT ": ERROR - Unable to map adapter"
1678 " memory!\n", ioc->name);
1679 pci_release_selected_regions(pdev, ioc->bars);
1680 return -EINVAL;
1681 }
1682 ioc->memmap = mem;
1683 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %llx\n",
1684 ioc->name, mem, (unsigned long long)mem_phys));
1685
1686 ioc->mem_phys = mem_phys;
1687 ioc->chip = (SYSIF_REGS __iomem *)mem;
1688
1689 /* Save Port IO values in case we need to do downloadboot */
1690 ioc->pio_mem_phys = port;
1691 ioc->pio_chip = (SYSIF_REGS __iomem *)port;
1692
1693 return 0;
1694}
1695
1696/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1697/**
1698 * mpt_attach - Install a PCI intelligent MPT adapter.
1699 * @pdev: Pointer to pci_dev structure
1700 * @id: PCI device ID information
1701 *
1702 * This routine performs all the steps necessary to bring the IOC of
1703 * a MPT adapter to a OPERATIONAL state. This includes registering
1704 * memory regions, registering the interrupt, and allocating request
1705 * and reply memory pools.
1706 *
1707 * This routine also pre-fetches the LAN MAC address of a Fibre Channel
1708 * MPT adapter.
1709 *
1710 * Returns 0 for success, non-zero for failure.
1711 *
1712 * TODO: Add support for polled controllers
1713 */
1714int
1715mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
1716{
1717 MPT_ADAPTER *ioc;
1718 u8 cb_idx;
1719 int r = -ENODEV;
1720 u8 revision;
1721 u8 pcixcmd;
1722 static int mpt_ids = 0;
1723#ifdef CONFIG_PROC_FS
1724 struct proc_dir_entry *dent;
1725#endif
1726
1727 ioc = kzalloc(sizeof(MPT_ADAPTER), GFP_ATOMIC);
1728 if (ioc == NULL) {
1729 printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n");
1730 return -ENOMEM;
1731 }
1732
1733 ioc->id = mpt_ids++;
1734 sprintf(ioc->name, "ioc%d", ioc->id);
1735 dinitprintk(ioc, printk(KERN_WARNING MYNAM ": mpt_adapter_install\n"));
1736
1737 /*
1738 * set initial debug level
1739 * (refer to mptdebug.h)
1740 *
1741 */
1742 ioc->debug_level = mpt_debug_level;
1743 if (mpt_debug_level)
1744 printk(KERN_INFO "mpt_debug_level=%xh\n", mpt_debug_level);
1745
1746 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": mpt_adapter_install\n", ioc->name));
1747
1748 ioc->pcidev = pdev;
1749 if (mpt_mapresources(ioc)) {
1750 kfree(ioc);
1751 return r;
1752 }
1753
1754 /*
1755 * Setting up proper handlers for scatter gather handling
1756 */
1757 if (ioc->dma_mask == DMA_BIT_MASK(64)) {
1758 if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078)
1759 ioc->add_sge = &mpt_add_sge_64bit_1078;
1760 else
1761 ioc->add_sge = &mpt_add_sge_64bit;
1762 ioc->add_chain = &mpt_add_chain_64bit;
1763 ioc->sg_addr_size = 8;
1764 } else {
1765 ioc->add_sge = &mpt_add_sge;
1766 ioc->add_chain = &mpt_add_chain;
1767 ioc->sg_addr_size = 4;
1768 }
1769 ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size;
1770
1771 ioc->alloc_total = sizeof(MPT_ADAPTER);
1772 ioc->req_sz = MPT_DEFAULT_FRAME_SIZE; /* avoid div by zero! */
1773 ioc->reply_sz = MPT_REPLY_FRAME_SIZE;
1774
1775
1776 spin_lock_init(&ioc->taskmgmt_lock);
1777 mutex_init(&ioc->internal_cmds.mutex);
1778 init_completion(&ioc->internal_cmds.done);
1779 mutex_init(&ioc->mptbase_cmds.mutex);
1780 init_completion(&ioc->mptbase_cmds.done);
1781 mutex_init(&ioc->taskmgmt_cmds.mutex);
1782 init_completion(&ioc->taskmgmt_cmds.done);
1783
1784 /* Initialize the event logging.
1785 */
1786 ioc->eventTypes = 0; /* None */
1787 ioc->eventContext = 0;
1788 ioc->eventLogSize = 0;
1789 ioc->events = NULL;
1790
1791#ifdef MFCNT
1792 ioc->mfcnt = 0;
1793#endif
1794
1795 ioc->sh = NULL;
1796 ioc->cached_fw = NULL;
1797
1798 /* Initialize SCSI Config Data structure
1799 */
1800 memset(&ioc->spi_data, 0, sizeof(SpiCfgData));
1801
1802 /* Initialize the fc rport list head.
1803 */
1804 INIT_LIST_HEAD(&ioc->fc_rports);
1805
1806 /* Find lookup slot. */
1807 INIT_LIST_HEAD(&ioc->list);
1808
1809
1810 /* Initialize workqueue */
1811 INIT_DELAYED_WORK(&ioc->fault_reset_work, mpt_fault_reset_work);
1812
1813 snprintf(ioc->reset_work_q_name, MPT_KOBJ_NAME_LEN,
1814 "mpt_poll_%d", ioc->id);
1815 ioc->reset_work_q =
1816 create_singlethread_workqueue(ioc->reset_work_q_name);
1817 if (!ioc->reset_work_q) {
1818 printk(MYIOC_s_ERR_FMT "Insufficient memory to add adapter!\n",
1819 ioc->name);
1820 pci_release_selected_regions(pdev, ioc->bars);
1821 kfree(ioc);
1822 return -ENOMEM;
1823 }
1824
1825 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "facts @ %p, pfacts[0] @ %p\n",
1826 ioc->name, &ioc->facts, &ioc->pfacts[0]));
1827
1828 pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision);
1829 mpt_get_product_name(pdev->vendor, pdev->device, revision, ioc->prod_name);
1830
1831 switch (pdev->device)
1832 {
1833 case MPI_MANUFACTPAGE_DEVICEID_FC939X:
1834 case MPI_MANUFACTPAGE_DEVICEID_FC949X:
1835 ioc->errata_flag_1064 = 1;
1836 case MPI_MANUFACTPAGE_DEVICEID_FC909:
1837 case MPI_MANUFACTPAGE_DEVICEID_FC929:
1838 case MPI_MANUFACTPAGE_DEVICEID_FC919:
1839 case MPI_MANUFACTPAGE_DEVICEID_FC949E:
1840 ioc->bus_type = FC;
1841 break;
1842
1843 case MPI_MANUFACTPAGE_DEVICEID_FC929X:
1844 if (revision < XL_929) {
1845 /* 929X Chip Fix. Set Split transactions level
1846 * for PCIX. Set MOST bits to zero.
1847 */
1848 pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1849 pcixcmd &= 0x8F;
1850 pci_write_config_byte(pdev, 0x6a, pcixcmd);
1851 } else {
1852 /* 929XL Chip Fix. Set MMRBC to 0x08.
1853 */
1854 pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1855 pcixcmd |= 0x08;
1856 pci_write_config_byte(pdev, 0x6a, pcixcmd);
1857 }
1858 ioc->bus_type = FC;
1859 break;
1860
1861 case MPI_MANUFACTPAGE_DEVICEID_FC919X:
1862 /* 919X Chip Fix. Set Split transactions level
1863 * for PCIX. Set MOST bits to zero.
1864 */
1865 pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1866 pcixcmd &= 0x8F;
1867 pci_write_config_byte(pdev, 0x6a, pcixcmd);
1868 ioc->bus_type = FC;
1869 break;
1870
1871 case MPI_MANUFACTPAGE_DEVID_53C1030:
1872 /* 1030 Chip Fix. Disable Split transactions
1873 * for PCIX. Set MOST bits to zero if Rev < C0( = 8).
1874 */
1875 if (revision < C0_1030) {
1876 pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1877 pcixcmd &= 0x8F;
1878 pci_write_config_byte(pdev, 0x6a, pcixcmd);
1879 }
1880
1881 case MPI_MANUFACTPAGE_DEVID_1030_53C1035:
1882 ioc->bus_type = SPI;
1883 break;
1884
1885 case MPI_MANUFACTPAGE_DEVID_SAS1064:
1886 case MPI_MANUFACTPAGE_DEVID_SAS1068:
1887 ioc->errata_flag_1064 = 1;
1888 ioc->bus_type = SAS;
1889 break;
1890
1891 case MPI_MANUFACTPAGE_DEVID_SAS1064E:
1892 case MPI_MANUFACTPAGE_DEVID_SAS1068E:
1893 case MPI_MANUFACTPAGE_DEVID_SAS1078:
1894 ioc->bus_type = SAS;
1895 break;
1896 }
1897
1898
1899 switch (ioc->bus_type) {
1900
1901 case SAS:
1902 ioc->msi_enable = mpt_msi_enable_sas;
1903 break;
1904
1905 case SPI:
1906 ioc->msi_enable = mpt_msi_enable_spi;
1907 break;
1908
1909 case FC:
1910 ioc->msi_enable = mpt_msi_enable_fc;
1911 break;
1912
1913 default:
1914 ioc->msi_enable = 0;
1915 break;
1916 }
1917
1918 ioc->fw_events_off = 1;
1919
1920 if (ioc->errata_flag_1064)
1921 pci_disable_io_access(pdev);
1922
1923 spin_lock_init(&ioc->FreeQlock);
1924
1925 /* Disable all! */
1926 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
1927 ioc->active = 0;
1928 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1929
1930 /* Set IOC ptr in the pcidev's driver data. */
1931 pci_set_drvdata(ioc->pcidev, ioc);
1932
1933 /* Set lookup ptr. */
1934 list_add_tail(&ioc->list, &ioc_list);
1935
1936 /* Check for "bound ports" (929, 929X, 1030, 1035) to reduce redundant resets.
1937 */
1938 mpt_detect_bound_ports(ioc, pdev);
1939
1940 INIT_LIST_HEAD(&ioc->fw_event_list);
1941 spin_lock_init(&ioc->fw_event_lock);
1942 snprintf(ioc->fw_event_q_name, MPT_KOBJ_NAME_LEN, "mpt/%d", ioc->id);
1943 ioc->fw_event_q = create_singlethread_workqueue(ioc->fw_event_q_name);
1944
1945 if ((r = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP,
1946 CAN_SLEEP)) != 0){
1947 printk(MYIOC_s_ERR_FMT "didn't initialize properly! (%d)\n",
1948 ioc->name, r);
1949
1950 list_del(&ioc->list);
1951 if (ioc->alt_ioc)
1952 ioc->alt_ioc->alt_ioc = NULL;
1953 iounmap(ioc->memmap);
1954 if (r != -5)
1955 pci_release_selected_regions(pdev, ioc->bars);
1956
1957 destroy_workqueue(ioc->reset_work_q);
1958 ioc->reset_work_q = NULL;
1959
1960 kfree(ioc);
1961 pci_set_drvdata(pdev, NULL);
1962 return r;
1963 }
1964
1965 /* call per device driver probe entry point */
1966 for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
1967 if(MptDeviceDriverHandlers[cb_idx] &&
1968 MptDeviceDriverHandlers[cb_idx]->probe) {
1969 MptDeviceDriverHandlers[cb_idx]->probe(pdev,id);
1970 }
1971 }
1972
1973#ifdef CONFIG_PROC_FS
1974 /*
1975 * Create "/proc/mpt/iocN" subdirectory entry for each MPT adapter.
1976 */
1977 dent = proc_mkdir(ioc->name, mpt_proc_root_dir);
1978 if (dent) {
1979 proc_create_data("info", S_IRUGO, dent, &mpt_iocinfo_proc_fops, ioc);
1980 proc_create_data("summary", S_IRUGO, dent, &mpt_summary_proc_fops, ioc);
1981 }
1982#endif
1983
1984 if (!ioc->alt_ioc)
1985 queue_delayed_work(ioc->reset_work_q, &ioc->fault_reset_work,
1986 msecs_to_jiffies(MPT_POLLING_INTERVAL));
1987
1988 return 0;
1989}
1990
1991/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1992/**
1993 * mpt_detach - Remove a PCI intelligent MPT adapter.
1994 * @pdev: Pointer to pci_dev structure
1995 */
1996
1997void
1998mpt_detach(struct pci_dev *pdev)
1999{
2000 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2001 char pname[32];
2002 u8 cb_idx;
2003 unsigned long flags;
2004 struct workqueue_struct *wq;
2005
2006 /*
2007 * Stop polling ioc for fault condition
2008 */
2009 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2010 wq = ioc->reset_work_q;
2011 ioc->reset_work_q = NULL;
2012 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2013 cancel_delayed_work(&ioc->fault_reset_work);
2014 destroy_workqueue(wq);
2015
2016 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2017 wq = ioc->fw_event_q;
2018 ioc->fw_event_q = NULL;
2019 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2020 destroy_workqueue(wq);
2021
2022 sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name);
2023 remove_proc_entry(pname, NULL);
2024 sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/info", ioc->name);
2025 remove_proc_entry(pname, NULL);
2026 sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s", ioc->name);
2027 remove_proc_entry(pname, NULL);
2028
2029 /* call per device driver remove entry point */
2030 for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
2031 if(MptDeviceDriverHandlers[cb_idx] &&
2032 MptDeviceDriverHandlers[cb_idx]->remove) {
2033 MptDeviceDriverHandlers[cb_idx]->remove(pdev);
2034 }
2035 }
2036
2037 /* Disable interrupts! */
2038 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
2039
2040 ioc->active = 0;
2041 synchronize_irq(pdev->irq);
2042
2043 /* Clear any lingering interrupt */
2044 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
2045
2046 CHIPREG_READ32(&ioc->chip->IntStatus);
2047
2048 mpt_adapter_dispose(ioc);
2049
2050}
2051
2052/**************************************************************************
2053 * Power Management
2054 */
2055#ifdef CONFIG_PM
2056/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2057/**
2058 * mpt_suspend - Fusion MPT base driver suspend routine.
2059 * @pdev: Pointer to pci_dev structure
2060 * @state: new state to enter
2061 */
2062int
2063mpt_suspend(struct pci_dev *pdev, pm_message_t state)
2064{
2065 u32 device_state;
2066 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2067
2068 device_state = pci_choose_state(pdev, state);
2069 printk(MYIOC_s_INFO_FMT "pci-suspend: pdev=0x%p, slot=%s, Entering "
2070 "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev),
2071 device_state);
2072
2073 /* put ioc into READY_STATE */
2074 if(SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, CAN_SLEEP)) {
2075 printk(MYIOC_s_ERR_FMT
2076 "pci-suspend: IOC msg unit reset failed!\n", ioc->name);
2077 }
2078
2079 /* disable interrupts */
2080 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
2081 ioc->active = 0;
2082
2083 /* Clear any lingering interrupt */
2084 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
2085
2086 free_irq(ioc->pci_irq, ioc);
2087 if (ioc->msi_enable)
2088 pci_disable_msi(ioc->pcidev);
2089 ioc->pci_irq = -1;
2090 pci_save_state(pdev);
2091 pci_disable_device(pdev);
2092 pci_release_selected_regions(pdev, ioc->bars);
2093 pci_set_power_state(pdev, device_state);
2094 return 0;
2095}
2096
2097/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2098/**
2099 * mpt_resume - Fusion MPT base driver resume routine.
2100 * @pdev: Pointer to pci_dev structure
2101 */
2102int
2103mpt_resume(struct pci_dev *pdev)
2104{
2105 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2106 u32 device_state = pdev->current_state;
2107 int recovery_state;
2108 int err;
2109
2110 printk(MYIOC_s_INFO_FMT "pci-resume: pdev=0x%p, slot=%s, Previous "
2111 "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev),
2112 device_state);
2113
2114 pci_set_power_state(pdev, PCI_D0);
2115 pci_enable_wake(pdev, PCI_D0, 0);
2116 pci_restore_state(pdev);
2117 ioc->pcidev = pdev;
2118 err = mpt_mapresources(ioc);
2119 if (err)
2120 return err;
2121
2122 if (ioc->dma_mask == DMA_BIT_MASK(64)) {
2123 if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078)
2124 ioc->add_sge = &mpt_add_sge_64bit_1078;
2125 else
2126 ioc->add_sge = &mpt_add_sge_64bit;
2127 ioc->add_chain = &mpt_add_chain_64bit;
2128 ioc->sg_addr_size = 8;
2129 } else {
2130
2131 ioc->add_sge = &mpt_add_sge;
2132 ioc->add_chain = &mpt_add_chain;
2133 ioc->sg_addr_size = 4;
2134 }
2135 ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size;
2136
2137 printk(MYIOC_s_INFO_FMT "pci-resume: ioc-state=0x%x,doorbell=0x%x\n",
2138 ioc->name, (mpt_GetIocState(ioc, 1) >> MPI_IOC_STATE_SHIFT),
2139 CHIPREG_READ32(&ioc->chip->Doorbell));
2140
2141 /*
2142 * Errata workaround for SAS pci express:
2143 * Upon returning to the D0 state, the contents of the doorbell will be
2144 * stale data, and this will incorrectly signal to the host driver that
2145 * the firmware is ready to process mpt commands. The workaround is
2146 * to issue a diagnostic reset.
2147 */
2148 if (ioc->bus_type == SAS && (pdev->device ==
2149 MPI_MANUFACTPAGE_DEVID_SAS1068E || pdev->device ==
2150 MPI_MANUFACTPAGE_DEVID_SAS1064E)) {
2151 if (KickStart(ioc, 1, CAN_SLEEP) < 0) {
2152 printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover\n",
2153 ioc->name);
2154 goto out;
2155 }
2156 }
2157
2158 /* bring ioc to operational state */
2159 printk(MYIOC_s_INFO_FMT "Sending mpt_do_ioc_recovery\n", ioc->name);
2160 recovery_state = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP,
2161 CAN_SLEEP);
2162 if (recovery_state != 0)
2163 printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover, "
2164 "error:[%x]\n", ioc->name, recovery_state);
2165 else
2166 printk(MYIOC_s_INFO_FMT
2167 "pci-resume: success\n", ioc->name);
2168 out:
2169 return 0;
2170
2171}
2172#endif
2173
2174static int
2175mpt_signal_reset(u8 index, MPT_ADAPTER *ioc, int reset_phase)
2176{
2177 if ((MptDriverClass[index] == MPTSPI_DRIVER &&
2178 ioc->bus_type != SPI) ||
2179 (MptDriverClass[index] == MPTFC_DRIVER &&
2180 ioc->bus_type != FC) ||
2181 (MptDriverClass[index] == MPTSAS_DRIVER &&
2182 ioc->bus_type != SAS))
2183 /* make sure we only call the relevant reset handler
2184 * for the bus */
2185 return 0;
2186 return (MptResetHandlers[index])(ioc, reset_phase);
2187}
2188
2189/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2190/**
2191 * mpt_do_ioc_recovery - Initialize or recover MPT adapter.
2192 * @ioc: Pointer to MPT adapter structure
2193 * @reason: Event word / reason
2194 * @sleepFlag: Use schedule if CAN_SLEEP else use udelay.
2195 *
2196 * This routine performs all the steps necessary to bring the IOC
2197 * to a OPERATIONAL state.
2198 *
2199 * This routine also pre-fetches the LAN MAC address of a Fibre Channel
2200 * MPT adapter.
2201 *
2202 * Returns:
2203 * 0 for success
2204 * -1 if failed to get board READY
2205 * -2 if READY but IOCFacts Failed
2206 * -3 if READY but PrimeIOCFifos Failed
2207 * -4 if READY but IOCInit Failed
2208 * -5 if failed to enable_device and/or request_selected_regions
2209 * -6 if failed to upload firmware
2210 */
2211static int
2212mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
2213{
2214 int hard_reset_done = 0;
2215 int alt_ioc_ready = 0;
2216 int hard;
2217 int rc=0;
2218 int ii;
2219 int ret = 0;
2220 int reset_alt_ioc_active = 0;
2221 int irq_allocated = 0;
2222 u8 *a;
2223
2224 printk(MYIOC_s_INFO_FMT "Initiating %s\n", ioc->name,
2225 reason == MPT_HOSTEVENT_IOC_BRINGUP ? "bringup" : "recovery");
2226
2227 /* Disable reply interrupts (also blocks FreeQ) */
2228 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
2229 ioc->active = 0;
2230
2231 if (ioc->alt_ioc) {
2232 if (ioc->alt_ioc->active ||
2233 reason == MPT_HOSTEVENT_IOC_RECOVER) {
2234 reset_alt_ioc_active = 1;
2235 /* Disable alt-IOC's reply interrupts
2236 * (and FreeQ) for a bit
2237 **/
2238 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask,
2239 0xFFFFFFFF);
2240 ioc->alt_ioc->active = 0;
2241 }
2242 }
2243
2244 hard = 1;
2245 if (reason == MPT_HOSTEVENT_IOC_BRINGUP)
2246 hard = 0;
2247
2248 if ((hard_reset_done = MakeIocReady(ioc, hard, sleepFlag)) < 0) {
2249 if (hard_reset_done == -4) {
2250 printk(MYIOC_s_WARN_FMT "Owned by PEER..skipping!\n",
2251 ioc->name);
2252
2253 if (reset_alt_ioc_active && ioc->alt_ioc) {
2254 /* (re)Enable alt-IOC! (reply interrupt, FreeQ) */
2255 dprintk(ioc, printk(MYIOC_s_INFO_FMT
2256 "alt_ioc reply irq re-enabled\n", ioc->alt_ioc->name));
2257 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, MPI_HIM_DIM);
2258 ioc->alt_ioc->active = 1;
2259 }
2260
2261 } else {
2262 printk(MYIOC_s_WARN_FMT
2263 "NOT READY WARNING!\n", ioc->name);
2264 }
2265 ret = -1;
2266 goto out;
2267 }
2268
2269 /* hard_reset_done = 0 if a soft reset was performed
2270 * and 1 if a hard reset was performed.
2271 */
2272 if (hard_reset_done && reset_alt_ioc_active && ioc->alt_ioc) {
2273 if ((rc = MakeIocReady(ioc->alt_ioc, 0, sleepFlag)) == 0)
2274 alt_ioc_ready = 1;
2275 else
2276 printk(MYIOC_s_WARN_FMT
2277 ": alt-ioc Not ready WARNING!\n",
2278 ioc->alt_ioc->name);
2279 }
2280
2281 for (ii=0; ii<5; ii++) {
2282 /* Get IOC facts! Allow 5 retries */
2283 if ((rc = GetIocFacts(ioc, sleepFlag, reason)) == 0)
2284 break;
2285 }
2286
2287
2288 if (ii == 5) {
2289 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2290 "Retry IocFacts failed rc=%x\n", ioc->name, rc));
2291 ret = -2;
2292 } else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
2293 MptDisplayIocCapabilities(ioc);
2294 }
2295
2296 if (alt_ioc_ready) {
2297 if ((rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason)) != 0) {
2298 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2299 "Initial Alt IocFacts failed rc=%x\n",
2300 ioc->name, rc));
2301 /* Retry - alt IOC was initialized once
2302 */
2303 rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason);
2304 }
2305 if (rc) {
2306 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2307 "Retry Alt IocFacts failed rc=%x\n", ioc->name, rc));
2308 alt_ioc_ready = 0;
2309 reset_alt_ioc_active = 0;
2310 } else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
2311 MptDisplayIocCapabilities(ioc->alt_ioc);
2312 }
2313 }
2314
2315 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP) &&
2316 (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)) {
2317 pci_release_selected_regions(ioc->pcidev, ioc->bars);
2318 ioc->bars = pci_select_bars(ioc->pcidev, IORESOURCE_MEM |
2319 IORESOURCE_IO);
2320 if (pci_enable_device(ioc->pcidev))
2321 return -5;
2322 if (pci_request_selected_regions(ioc->pcidev, ioc->bars,
2323 "mpt"))
2324 return -5;
2325 }
2326
2327 /*
2328 * Device is reset now. It must have de-asserted the interrupt line
2329 * (if it was asserted) and it should be safe to register for the
2330 * interrupt now.
2331 */
2332 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) {
2333 ioc->pci_irq = -1;
2334 if (ioc->pcidev->irq) {
2335 if (ioc->msi_enable && !pci_enable_msi(ioc->pcidev))
2336 printk(MYIOC_s_INFO_FMT "PCI-MSI enabled\n",
2337 ioc->name);
2338 else
2339 ioc->msi_enable = 0;
2340 rc = request_irq(ioc->pcidev->irq, mpt_interrupt,
2341 IRQF_SHARED, ioc->name, ioc);
2342 if (rc < 0) {
2343 printk(MYIOC_s_ERR_FMT "Unable to allocate "
2344 "interrupt %d!\n",
2345 ioc->name, ioc->pcidev->irq);
2346 if (ioc->msi_enable)
2347 pci_disable_msi(ioc->pcidev);
2348 ret = -EBUSY;
2349 goto out;
2350 }
2351 irq_allocated = 1;
2352 ioc->pci_irq = ioc->pcidev->irq;
2353 pci_set_master(ioc->pcidev); /* ?? */
2354 pci_set_drvdata(ioc->pcidev, ioc);
2355 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
2356 "installed at interrupt %d\n", ioc->name,
2357 ioc->pcidev->irq));
2358 }
2359 }
2360
2361 /* Prime reply & request queues!
2362 * (mucho alloc's) Must be done prior to
2363 * init as upper addresses are needed for init.
2364 * If fails, continue with alt-ioc processing
2365 */
2366 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "PrimeIocFifos\n",
2367 ioc->name));
2368 if ((ret == 0) && ((rc = PrimeIocFifos(ioc)) != 0))
2369 ret = -3;
2370
2371 /* May need to check/upload firmware & data here!
2372 * If fails, continue with alt-ioc processing
2373 */
2374 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "SendIocInit\n",
2375 ioc->name));
2376 if ((ret == 0) && ((rc = SendIocInit(ioc, sleepFlag)) != 0))
2377 ret = -4;
2378// NEW!
2379 if (alt_ioc_ready && ((rc = PrimeIocFifos(ioc->alt_ioc)) != 0)) {
2380 printk(MYIOC_s_WARN_FMT
2381 ": alt-ioc (%d) FIFO mgmt alloc WARNING!\n",
2382 ioc->alt_ioc->name, rc);
2383 alt_ioc_ready = 0;
2384 reset_alt_ioc_active = 0;
2385 }
2386
2387 if (alt_ioc_ready) {
2388 if ((rc = SendIocInit(ioc->alt_ioc, sleepFlag)) != 0) {
2389 alt_ioc_ready = 0;
2390 reset_alt_ioc_active = 0;
2391 printk(MYIOC_s_WARN_FMT
2392 ": alt-ioc: (%d) init failure WARNING!\n",
2393 ioc->alt_ioc->name, rc);
2394 }
2395 }
2396
2397 if (reason == MPT_HOSTEVENT_IOC_BRINGUP){
2398 if (ioc->upload_fw) {
2399 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2400 "firmware upload required!\n", ioc->name));
2401
2402 /* Controller is not operational, cannot do upload
2403 */
2404 if (ret == 0) {
2405 rc = mpt_do_upload(ioc, sleepFlag);
2406 if (rc == 0) {
2407 if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) {
2408 /*
2409 * Maintain only one pointer to FW memory
2410 * so there will not be two attempt to
2411 * downloadboot onboard dual function
2412 * chips (mpt_adapter_disable,
2413 * mpt_diag_reset)
2414 */
2415 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2416 "mpt_upload: alt_%s has cached_fw=%p \n",
2417 ioc->name, ioc->alt_ioc->name, ioc->alt_ioc->cached_fw));
2418 ioc->cached_fw = NULL;
2419 }
2420 } else {
2421 printk(MYIOC_s_WARN_FMT
2422 "firmware upload failure!\n", ioc->name);
2423 ret = -6;
2424 }
2425 }
2426 }
2427 }
2428
2429 /* Enable MPT base driver management of EventNotification
2430 * and EventAck handling.
2431 */
2432 if ((ret == 0) && (!ioc->facts.EventState)) {
2433 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
2434 "SendEventNotification\n",
2435 ioc->name));
2436 ret = SendEventNotification(ioc, 1, sleepFlag); /* 1=Enable */
2437 }
2438
2439 if (ioc->alt_ioc && alt_ioc_ready && !ioc->alt_ioc->facts.EventState)
2440 rc = SendEventNotification(ioc->alt_ioc, 1, sleepFlag);
2441
2442 if (ret == 0) {
2443 /* Enable! (reply interrupt) */
2444 CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
2445 ioc->active = 1;
2446 }
2447 if (rc == 0) { /* alt ioc */
2448 if (reset_alt_ioc_active && ioc->alt_ioc) {
2449 /* (re)Enable alt-IOC! (reply interrupt) */
2450 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "alt-ioc"
2451 "reply irq re-enabled\n",
2452 ioc->alt_ioc->name));
2453 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask,
2454 MPI_HIM_DIM);
2455 ioc->alt_ioc->active = 1;
2456 }
2457 }
2458
2459
2460 /* Add additional "reason" check before call to GetLanConfigPages
2461 * (combined with GetIoUnitPage2 call). This prevents a somewhat
2462 * recursive scenario; GetLanConfigPages times out, timer expired
2463 * routine calls HardResetHandler, which calls into here again,
2464 * and we try GetLanConfigPages again...
2465 */
2466 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) {
2467
2468 /*
2469 * Initialize link list for inactive raid volumes.
2470 */
2471 mutex_init(&ioc->raid_data.inactive_list_mutex);
2472 INIT_LIST_HEAD(&ioc->raid_data.inactive_list);
2473
2474 switch (ioc->bus_type) {
2475
2476 case SAS:
2477 /* clear persistency table */
2478 if(ioc->facts.IOCExceptions &
2479 MPI_IOCFACTS_EXCEPT_PERSISTENT_TABLE_FULL) {
2480 ret = mptbase_sas_persist_operation(ioc,
2481 MPI_SAS_OP_CLEAR_NOT_PRESENT);
2482 if(ret != 0)
2483 goto out;
2484 }
2485
2486 /* Find IM volumes
2487 */
2488 mpt_findImVolumes(ioc);
2489
2490 /* Check, and possibly reset, the coalescing value
2491 */
2492 mpt_read_ioc_pg_1(ioc);
2493
2494 break;
2495
2496 case FC:
2497 if ((ioc->pfacts[0].ProtocolFlags &
2498 MPI_PORTFACTS_PROTOCOL_LAN) &&
2499 (ioc->lan_cnfg_page0.Header.PageLength == 0)) {
2500 /*
2501 * Pre-fetch the ports LAN MAC address!
2502 * (LANPage1_t stuff)
2503 */
2504 (void) GetLanConfigPages(ioc);
2505 a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
2506 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2507 "LanAddr = %02X:%02X:%02X"
2508 ":%02X:%02X:%02X\n",
2509 ioc->name, a[5], a[4],
2510 a[3], a[2], a[1], a[0]));
2511 }
2512 break;
2513
2514 case SPI:
2515 /* Get NVRAM and adapter maximums from SPP 0 and 2
2516 */
2517 mpt_GetScsiPortSettings(ioc, 0);
2518
2519 /* Get version and length of SDP 1
2520 */
2521 mpt_readScsiDevicePageHeaders(ioc, 0);
2522
2523 /* Find IM volumes
2524 */
2525 if (ioc->facts.MsgVersion >= MPI_VERSION_01_02)
2526 mpt_findImVolumes(ioc);
2527
2528 /* Check, and possibly reset, the coalescing value
2529 */
2530 mpt_read_ioc_pg_1(ioc);
2531
2532 mpt_read_ioc_pg_4(ioc);
2533
2534 break;
2535 }
2536
2537 GetIoUnitPage2(ioc);
2538 mpt_get_manufacturing_pg_0(ioc);
2539 }
2540
2541 out:
2542 if ((ret != 0) && irq_allocated) {
2543 free_irq(ioc->pci_irq, ioc);
2544 if (ioc->msi_enable)
2545 pci_disable_msi(ioc->pcidev);
2546 }
2547 return ret;
2548}
2549
2550/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2551/**
2552 * mpt_detect_bound_ports - Search for matching PCI bus/dev_function
2553 * @ioc: Pointer to MPT adapter structure
2554 * @pdev: Pointer to (struct pci_dev) structure
2555 *
2556 * Search for PCI bus/dev_function which matches
2557 * PCI bus/dev_function (+/-1) for newly discovered 929,
2558 * 929X, 1030 or 1035.
2559 *
2560 * If match on PCI dev_function +/-1 is found, bind the two MPT adapters
2561 * using alt_ioc pointer fields in their %MPT_ADAPTER structures.
2562 */
2563static void
2564mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev)
2565{
2566 struct pci_dev *peer=NULL;
2567 unsigned int slot = PCI_SLOT(pdev->devfn);
2568 unsigned int func = PCI_FUNC(pdev->devfn);
2569 MPT_ADAPTER *ioc_srch;
2570
2571 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PCI device %s devfn=%x/%x,"
2572 " searching for devfn match on %x or %x\n",
2573 ioc->name, pci_name(pdev), pdev->bus->number,
2574 pdev->devfn, func-1, func+1));
2575
2576 peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func-1));
2577 if (!peer) {
2578 peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func+1));
2579 if (!peer)
2580 return;
2581 }
2582
2583 list_for_each_entry(ioc_srch, &ioc_list, list) {
2584 struct pci_dev *_pcidev = ioc_srch->pcidev;
2585 if (_pcidev == peer) {
2586 /* Paranoia checks */
2587 if (ioc->alt_ioc != NULL) {
2588 printk(MYIOC_s_WARN_FMT
2589 "Oops, already bound (%s <==> %s)!\n",
2590 ioc->name, ioc->name, ioc->alt_ioc->name);
2591 break;
2592 } else if (ioc_srch->alt_ioc != NULL) {
2593 printk(MYIOC_s_WARN_FMT
2594 "Oops, already bound (%s <==> %s)!\n",
2595 ioc_srch->name, ioc_srch->name,
2596 ioc_srch->alt_ioc->name);
2597 break;
2598 }
2599 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2600 "FOUND! binding %s <==> %s\n",
2601 ioc->name, ioc->name, ioc_srch->name));
2602 ioc_srch->alt_ioc = ioc;
2603 ioc->alt_ioc = ioc_srch;
2604 }
2605 }
2606 pci_dev_put(peer);
2607}
2608
2609/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2610/**
2611 * mpt_adapter_disable - Disable misbehaving MPT adapter.
2612 * @ioc: Pointer to MPT adapter structure
2613 */
2614static void
2615mpt_adapter_disable(MPT_ADAPTER *ioc)
2616{
2617 int sz;
2618 int ret;
2619
2620 if (ioc->cached_fw != NULL) {
2621 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2622 "%s: Pushing FW onto adapter\n", __func__, ioc->name));
2623 if ((ret = mpt_downloadboot(ioc, (MpiFwHeader_t *)
2624 ioc->cached_fw, CAN_SLEEP)) < 0) {
2625 printk(MYIOC_s_WARN_FMT
2626 ": firmware downloadboot failure (%d)!\n",
2627 ioc->name, ret);
2628 }
2629 }
2630
2631 /*
2632 * Put the controller into ready state (if its not already)
2633 */
2634 if (mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_READY) {
2635 if (!SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET,
2636 CAN_SLEEP)) {
2637 if (mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_READY)
2638 printk(MYIOC_s_ERR_FMT "%s: IOC msg unit "
2639 "reset failed to put ioc in ready state!\n",
2640 ioc->name, __func__);
2641 } else
2642 printk(MYIOC_s_ERR_FMT "%s: IOC msg unit reset "
2643 "failed!\n", ioc->name, __func__);
2644 }
2645
2646
2647 /* Disable adapter interrupts! */
2648 synchronize_irq(ioc->pcidev->irq);
2649 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
2650 ioc->active = 0;
2651
2652 /* Clear any lingering interrupt */
2653 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
2654 CHIPREG_READ32(&ioc->chip->IntStatus);
2655
2656 if (ioc->alloc != NULL) {
2657 sz = ioc->alloc_sz;
2658 dexitprintk(ioc, printk(MYIOC_s_INFO_FMT "free @ %p, sz=%d bytes\n",
2659 ioc->name, ioc->alloc, ioc->alloc_sz));
2660 pci_free_consistent(ioc->pcidev, sz,
2661 ioc->alloc, ioc->alloc_dma);
2662 ioc->reply_frames = NULL;
2663 ioc->req_frames = NULL;
2664 ioc->alloc = NULL;
2665 ioc->alloc_total -= sz;
2666 }
2667
2668 if (ioc->sense_buf_pool != NULL) {
2669 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
2670 pci_free_consistent(ioc->pcidev, sz,
2671 ioc->sense_buf_pool, ioc->sense_buf_pool_dma);
2672 ioc->sense_buf_pool = NULL;
2673 ioc->alloc_total -= sz;
2674 }
2675
2676 if (ioc->events != NULL){
2677 sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS);
2678 kfree(ioc->events);
2679 ioc->events = NULL;
2680 ioc->alloc_total -= sz;
2681 }
2682
2683 mpt_free_fw_memory(ioc);
2684
2685 kfree(ioc->spi_data.nvram);
2686 mpt_inactive_raid_list_free(ioc);
2687 kfree(ioc->raid_data.pIocPg2);
2688 kfree(ioc->raid_data.pIocPg3);
2689 ioc->spi_data.nvram = NULL;
2690 ioc->raid_data.pIocPg3 = NULL;
2691
2692 if (ioc->spi_data.pIocPg4 != NULL) {
2693 sz = ioc->spi_data.IocPg4Sz;
2694 pci_free_consistent(ioc->pcidev, sz,
2695 ioc->spi_data.pIocPg4,
2696 ioc->spi_data.IocPg4_dma);
2697 ioc->spi_data.pIocPg4 = NULL;
2698 ioc->alloc_total -= sz;
2699 }
2700
2701 if (ioc->ReqToChain != NULL) {
2702 kfree(ioc->ReqToChain);
2703 kfree(ioc->RequestNB);
2704 ioc->ReqToChain = NULL;
2705 }
2706
2707 kfree(ioc->ChainToChain);
2708 ioc->ChainToChain = NULL;
2709
2710 if (ioc->HostPageBuffer != NULL) {
2711 if((ret = mpt_host_page_access_control(ioc,
2712 MPI_DB_HPBAC_FREE_BUFFER, NO_SLEEP)) != 0) {
2713 printk(MYIOC_s_ERR_FMT
2714 ": %s: host page buffers free failed (%d)!\n",
2715 ioc->name, __func__, ret);
2716 }
2717 dexitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2718 "HostPageBuffer free @ %p, sz=%d bytes\n",
2719 ioc->name, ioc->HostPageBuffer,
2720 ioc->HostPageBuffer_sz));
2721 pci_free_consistent(ioc->pcidev, ioc->HostPageBuffer_sz,
2722 ioc->HostPageBuffer, ioc->HostPageBuffer_dma);
2723 ioc->HostPageBuffer = NULL;
2724 ioc->HostPageBuffer_sz = 0;
2725 ioc->alloc_total -= ioc->HostPageBuffer_sz;
2726 }
2727
2728 pci_set_drvdata(ioc->pcidev, NULL);
2729}
2730/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2731/**
2732 * mpt_adapter_dispose - Free all resources associated with an MPT adapter
2733 * @ioc: Pointer to MPT adapter structure
2734 *
2735 * This routine unregisters h/w resources and frees all alloc'd memory
2736 * associated with a MPT adapter structure.
2737 */
2738static void
2739mpt_adapter_dispose(MPT_ADAPTER *ioc)
2740{
2741 int sz_first, sz_last;
2742
2743 if (ioc == NULL)
2744 return;
2745
2746 sz_first = ioc->alloc_total;
2747
2748 mpt_adapter_disable(ioc);
2749
2750 if (ioc->pci_irq != -1) {
2751 free_irq(ioc->pci_irq, ioc);
2752 if (ioc->msi_enable)
2753 pci_disable_msi(ioc->pcidev);
2754 ioc->pci_irq = -1;
2755 }
2756
2757 if (ioc->memmap != NULL) {
2758 iounmap(ioc->memmap);
2759 ioc->memmap = NULL;
2760 }
2761
2762 pci_disable_device(ioc->pcidev);
2763 pci_release_selected_regions(ioc->pcidev, ioc->bars);
2764
2765#if defined(CONFIG_MTRR) && 0
2766 if (ioc->mtrr_reg > 0) {
2767 mtrr_del(ioc->mtrr_reg, 0, 0);
2768 dprintk(ioc, printk(MYIOC_s_INFO_FMT "MTRR region de-registered\n", ioc->name));
2769 }
2770#endif
2771
2772 /* Zap the adapter lookup ptr! */
2773 list_del(&ioc->list);
2774
2775 sz_last = ioc->alloc_total;
2776 dprintk(ioc, printk(MYIOC_s_INFO_FMT "free'd %d of %d bytes\n",
2777 ioc->name, sz_first-sz_last+(int)sizeof(*ioc), sz_first));
2778
2779 if (ioc->alt_ioc)
2780 ioc->alt_ioc->alt_ioc = NULL;
2781
2782 kfree(ioc);
2783}
2784
2785/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2786/**
2787 * MptDisplayIocCapabilities - Disply IOC's capabilities.
2788 * @ioc: Pointer to MPT adapter structure
2789 */
2790static void
2791MptDisplayIocCapabilities(MPT_ADAPTER *ioc)
2792{
2793 int i = 0;
2794
2795 printk(KERN_INFO "%s: ", ioc->name);
2796 if (ioc->prod_name)
2797 printk("%s: ", ioc->prod_name);
2798 printk("Capabilities={");
2799
2800 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_INITIATOR) {
2801 printk("Initiator");
2802 i++;
2803 }
2804
2805 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) {
2806 printk("%sTarget", i ? "," : "");
2807 i++;
2808 }
2809
2810 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) {
2811 printk("%sLAN", i ? "," : "");
2812 i++;
2813 }
2814
2815#if 0
2816 /*
2817 * This would probably evoke more questions than it's worth
2818 */
2819 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) {
2820 printk("%sLogBusAddr", i ? "," : "");
2821 i++;
2822 }
2823#endif
2824
2825 printk("}\n");
2826}
2827
2828/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2829/**
2830 * MakeIocReady - Get IOC to a READY state, using KickStart if needed.
2831 * @ioc: Pointer to MPT_ADAPTER structure
2832 * @force: Force hard KickStart of IOC
2833 * @sleepFlag: Specifies whether the process can sleep
2834 *
2835 * Returns:
2836 * 1 - DIAG reset and READY
2837 * 0 - READY initially OR soft reset and READY
2838 * -1 - Any failure on KickStart
2839 * -2 - Msg Unit Reset Failed
2840 * -3 - IO Unit Reset Failed
2841 * -4 - IOC owned by a PEER
2842 */
2843static int
2844MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag)
2845{
2846 u32 ioc_state;
2847 int statefault = 0;
2848 int cntdn;
2849 int hard_reset_done = 0;
2850 int r;
2851 int ii;
2852 int whoinit;
2853
2854 /* Get current [raw] IOC state */
2855 ioc_state = mpt_GetIocState(ioc, 0);
2856 dhsprintk(ioc, printk(MYIOC_s_INFO_FMT "MakeIocReady [raw] state=%08x\n", ioc->name, ioc_state));
2857
2858 /*
2859 * Check to see if IOC got left/stuck in doorbell handshake
2860 * grip of death. If so, hard reset the IOC.
2861 */
2862 if (ioc_state & MPI_DOORBELL_ACTIVE) {
2863 statefault = 1;
2864 printk(MYIOC_s_WARN_FMT "Unexpected doorbell active!\n",
2865 ioc->name);
2866 }
2867
2868 /* Is it already READY? */
2869 if (!statefault &&
2870 ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_READY)) {
2871 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
2872 "IOC is in READY state\n", ioc->name));
2873 return 0;
2874 }
2875
2876 /*
2877 * Check to see if IOC is in FAULT state.
2878 */
2879 if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) {
2880 statefault = 2;
2881 printk(MYIOC_s_WARN_FMT "IOC is in FAULT state!!!\n",
2882 ioc->name);
2883 printk(MYIOC_s_WARN_FMT " FAULT code = %04xh\n",
2884 ioc->name, ioc_state & MPI_DOORBELL_DATA_MASK);
2885 }
2886
2887 /*
2888 * Hmmm... Did it get left operational?
2889 */
2890 if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_OPERATIONAL) {
2891 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOC operational unexpected\n",
2892 ioc->name));
2893
2894 /* Check WhoInit.
2895 * If PCI Peer, exit.
2896 * Else, if no fault conditions are present, issue a MessageUnitReset
2897 * Else, fall through to KickStart case
2898 */
2899 whoinit = (ioc_state & MPI_DOORBELL_WHO_INIT_MASK) >> MPI_DOORBELL_WHO_INIT_SHIFT;
2900 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
2901 "whoinit 0x%x statefault %d force %d\n",
2902 ioc->name, whoinit, statefault, force));
2903 if (whoinit == MPI_WHOINIT_PCI_PEER)
2904 return -4;
2905 else {
2906 if ((statefault == 0 ) && (force == 0)) {
2907 if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) == 0)
2908 return 0;
2909 }
2910 statefault = 3;
2911 }
2912 }
2913
2914 hard_reset_done = KickStart(ioc, statefault||force, sleepFlag);
2915 if (hard_reset_done < 0)
2916 return -1;
2917
2918 /*
2919 * Loop here waiting for IOC to come READY.
2920 */
2921 ii = 0;
2922 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 5; /* 5 seconds */
2923
2924 while ((ioc_state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) {
2925 if (ioc_state == MPI_IOC_STATE_OPERATIONAL) {
2926 /*
2927 * BIOS or previous driver load left IOC in OP state.
2928 * Reset messaging FIFOs.
2929 */
2930 if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) != 0) {
2931 printk(MYIOC_s_ERR_FMT "IOC msg unit reset failed!\n", ioc->name);
2932 return -2;
2933 }
2934 } else if (ioc_state == MPI_IOC_STATE_RESET) {
2935 /*
2936 * Something is wrong. Try to get IOC back
2937 * to a known state.
2938 */
2939 if ((r = SendIocReset(ioc, MPI_FUNCTION_IO_UNIT_RESET, sleepFlag)) != 0) {
2940 printk(MYIOC_s_ERR_FMT "IO unit reset failed!\n", ioc->name);
2941 return -3;
2942 }
2943 }
2944
2945 ii++; cntdn--;
2946 if (!cntdn) {
2947 printk(MYIOC_s_ERR_FMT
2948 "Wait IOC_READY state (0x%x) timeout(%d)!\n",
2949 ioc->name, ioc_state, (int)((ii+5)/HZ));
2950 return -ETIME;
2951 }
2952
2953 if (sleepFlag == CAN_SLEEP) {
2954 msleep(1);
2955 } else {
2956 mdelay (1); /* 1 msec delay */
2957 }
2958
2959 }
2960
2961 if (statefault < 3) {
2962 printk(MYIOC_s_INFO_FMT "Recovered from %s\n", ioc->name,
2963 statefault == 1 ? "stuck handshake" : "IOC FAULT");
2964 }
2965
2966 return hard_reset_done;
2967}
2968
2969/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2970/**
2971 * mpt_GetIocState - Get the current state of a MPT adapter.
2972 * @ioc: Pointer to MPT_ADAPTER structure
2973 * @cooked: Request raw or cooked IOC state
2974 *
2975 * Returns all IOC Doorbell register bits if cooked==0, else just the
2976 * Doorbell bits in MPI_IOC_STATE_MASK.
2977 */
2978u32
2979mpt_GetIocState(MPT_ADAPTER *ioc, int cooked)
2980{
2981 u32 s, sc;
2982
2983 /* Get! */
2984 s = CHIPREG_READ32(&ioc->chip->Doorbell);
2985 sc = s & MPI_IOC_STATE_MASK;
2986
2987 /* Save! */
2988 ioc->last_state = sc;
2989
2990 return cooked ? sc : s;
2991}
2992
2993/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2994/**
2995 * GetIocFacts - Send IOCFacts request to MPT adapter.
2996 * @ioc: Pointer to MPT_ADAPTER structure
2997 * @sleepFlag: Specifies whether the process can sleep
2998 * @reason: If recovery, only update facts.
2999 *
3000 * Returns 0 for success, non-zero for failure.
3001 */
3002static int
3003GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason)
3004{
3005 IOCFacts_t get_facts;
3006 IOCFactsReply_t *facts;
3007 int r;
3008 int req_sz;
3009 int reply_sz;
3010 int sz;
3011 u32 status, vv;
3012 u8 shiftFactor=1;
3013
3014 /* IOC *must* NOT be in RESET state! */
3015 if (ioc->last_state == MPI_IOC_STATE_RESET) {
3016 printk(KERN_ERR MYNAM
3017 ": ERROR - Can't get IOCFacts, %s NOT READY! (%08x)\n",
3018 ioc->name, ioc->last_state);
3019 return -44;
3020 }
3021
3022 facts = &ioc->facts;
3023
3024 /* Destination (reply area)... */
3025 reply_sz = sizeof(*facts);
3026 memset(facts, 0, reply_sz);
3027
3028 /* Request area (get_facts on the stack right now!) */
3029 req_sz = sizeof(get_facts);
3030 memset(&get_facts, 0, req_sz);
3031
3032 get_facts.Function = MPI_FUNCTION_IOC_FACTS;
3033 /* Assert: All other get_facts fields are zero! */
3034
3035 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3036 "Sending get IocFacts request req_sz=%d reply_sz=%d\n",
3037 ioc->name, req_sz, reply_sz));
3038
3039 /* No non-zero fields in the get_facts request are greater than
3040 * 1 byte in size, so we can just fire it off as is.
3041 */
3042 r = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_facts,
3043 reply_sz, (u16*)facts, 5 /*seconds*/, sleepFlag);
3044 if (r != 0)
3045 return r;
3046
3047 /*
3048 * Now byte swap (GRRR) the necessary fields before any further
3049 * inspection of reply contents.
3050 *
3051 * But need to do some sanity checks on MsgLength (byte) field
3052 * to make sure we don't zero IOC's req_sz!
3053 */
3054 /* Did we get a valid reply? */
3055 if (facts->MsgLength > offsetof(IOCFactsReply_t, RequestFrameSize)/sizeof(u32)) {
3056 if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
3057 /*
3058 * If not been here, done that, save off first WhoInit value
3059 */
3060 if (ioc->FirstWhoInit == WHOINIT_UNKNOWN)
3061 ioc->FirstWhoInit = facts->WhoInit;
3062 }
3063
3064 facts->MsgVersion = le16_to_cpu(facts->MsgVersion);
3065 facts->MsgContext = le32_to_cpu(facts->MsgContext);
3066 facts->IOCExceptions = le16_to_cpu(facts->IOCExceptions);
3067 facts->IOCStatus = le16_to_cpu(facts->IOCStatus);
3068 facts->IOCLogInfo = le32_to_cpu(facts->IOCLogInfo);
3069 status = le16_to_cpu(facts->IOCStatus) & MPI_IOCSTATUS_MASK;
3070 /* CHECKME! IOCStatus, IOCLogInfo */
3071
3072 facts->ReplyQueueDepth = le16_to_cpu(facts->ReplyQueueDepth);
3073 facts->RequestFrameSize = le16_to_cpu(facts->RequestFrameSize);
3074
3075 /*
3076 * FC f/w version changed between 1.1 and 1.2
3077 * Old: u16{Major(4),Minor(4),SubMinor(8)}
3078 * New: u32{Major(8),Minor(8),Unit(8),Dev(8)}
3079 */
3080 if (facts->MsgVersion < MPI_VERSION_01_02) {
3081 /*
3082 * Handle old FC f/w style, convert to new...
3083 */
3084 u16 oldv = le16_to_cpu(facts->Reserved_0101_FWVersion);
3085 facts->FWVersion.Word =
3086 ((oldv<<12) & 0xFF000000) |
3087 ((oldv<<8) & 0x000FFF00);
3088 } else
3089 facts->FWVersion.Word = le32_to_cpu(facts->FWVersion.Word);
3090
3091 facts->ProductID = le16_to_cpu(facts->ProductID);
3092
3093 if ((ioc->facts.ProductID & MPI_FW_HEADER_PID_PROD_MASK)
3094 > MPI_FW_HEADER_PID_PROD_TARGET_SCSI)
3095 ioc->ir_firmware = 1;
3096
3097 facts->CurrentHostMfaHighAddr =
3098 le32_to_cpu(facts->CurrentHostMfaHighAddr);
3099 facts->GlobalCredits = le16_to_cpu(facts->GlobalCredits);
3100 facts->CurrentSenseBufferHighAddr =
3101 le32_to_cpu(facts->CurrentSenseBufferHighAddr);
3102 facts->CurReplyFrameSize =
3103 le16_to_cpu(facts->CurReplyFrameSize);
3104 facts->IOCCapabilities = le32_to_cpu(facts->IOCCapabilities);
3105
3106 /*
3107 * Handle NEW (!) IOCFactsReply fields in MPI-1.01.xx
3108 * Older MPI-1.00.xx struct had 13 dwords, and enlarged
3109 * to 14 in MPI-1.01.0x.
3110 */
3111 if (facts->MsgLength >= (offsetof(IOCFactsReply_t,FWImageSize) + 7)/4 &&
3112 facts->MsgVersion > MPI_VERSION_01_00) {
3113 facts->FWImageSize = le32_to_cpu(facts->FWImageSize);
3114 }
3115
3116 sz = facts->FWImageSize;
3117 if ( sz & 0x01 )
3118 sz += 1;
3119 if ( sz & 0x02 )
3120 sz += 2;
3121 facts->FWImageSize = sz;
3122
3123 if (!facts->RequestFrameSize) {
3124 /* Something is wrong! */
3125 printk(MYIOC_s_ERR_FMT "IOC reported invalid 0 request size!\n",
3126 ioc->name);
3127 return -55;
3128 }
3129
3130 r = sz = facts->BlockSize;
3131 vv = ((63 / (sz * 4)) + 1) & 0x03;
3132 ioc->NB_for_64_byte_frame = vv;
3133 while ( sz )
3134 {
3135 shiftFactor++;
3136 sz = sz >> 1;
3137 }
3138 ioc->NBShiftFactor = shiftFactor;
3139 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3140 "NB_for_64_byte_frame=%x NBShiftFactor=%x BlockSize=%x\n",
3141 ioc->name, vv, shiftFactor, r));
3142
3143 if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
3144 /*
3145 * Set values for this IOC's request & reply frame sizes,
3146 * and request & reply queue depths...
3147 */
3148 ioc->req_sz = min(MPT_DEFAULT_FRAME_SIZE, facts->RequestFrameSize * 4);
3149 ioc->req_depth = min_t(int, MPT_MAX_REQ_DEPTH, facts->GlobalCredits);
3150 ioc->reply_sz = MPT_REPLY_FRAME_SIZE;
3151 ioc->reply_depth = min_t(int, MPT_DEFAULT_REPLY_DEPTH, facts->ReplyQueueDepth);
3152
3153 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "reply_sz=%3d, reply_depth=%4d\n",
3154 ioc->name, ioc->reply_sz, ioc->reply_depth));
3155 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "req_sz =%3d, req_depth =%4d\n",
3156 ioc->name, ioc->req_sz, ioc->req_depth));
3157
3158 /* Get port facts! */
3159 if ( (r = GetPortFacts(ioc, 0, sleepFlag)) != 0 )
3160 return r;
3161 }
3162 } else {
3163 printk(MYIOC_s_ERR_FMT
3164 "Invalid IOC facts reply, msgLength=%d offsetof=%zd!\n",
3165 ioc->name, facts->MsgLength, (offsetof(IOCFactsReply_t,
3166 RequestFrameSize)/sizeof(u32)));
3167 return -66;
3168 }
3169
3170 return 0;
3171}
3172
3173/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3174/**
3175 * GetPortFacts - Send PortFacts request to MPT adapter.
3176 * @ioc: Pointer to MPT_ADAPTER structure
3177 * @portnum: Port number
3178 * @sleepFlag: Specifies whether the process can sleep
3179 *
3180 * Returns 0 for success, non-zero for failure.
3181 */
3182static int
3183GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag)
3184{
3185 PortFacts_t get_pfacts;
3186 PortFactsReply_t *pfacts;
3187 int ii;
3188 int req_sz;
3189 int reply_sz;
3190 int max_id;
3191
3192 /* IOC *must* NOT be in RESET state! */
3193 if (ioc->last_state == MPI_IOC_STATE_RESET) {
3194 printk(MYIOC_s_ERR_FMT "Can't get PortFacts NOT READY! (%08x)\n",
3195 ioc->name, ioc->last_state );
3196 return -4;
3197 }
3198
3199 pfacts = &ioc->pfacts[portnum];
3200
3201 /* Destination (reply area)... */
3202 reply_sz = sizeof(*pfacts);
3203 memset(pfacts, 0, reply_sz);
3204
3205 /* Request area (get_pfacts on the stack right now!) */
3206 req_sz = sizeof(get_pfacts);
3207 memset(&get_pfacts, 0, req_sz);
3208
3209 get_pfacts.Function = MPI_FUNCTION_PORT_FACTS;
3210 get_pfacts.PortNumber = portnum;
3211 /* Assert: All other get_pfacts fields are zero! */
3212
3213 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending get PortFacts(%d) request\n",
3214 ioc->name, portnum));
3215
3216 /* No non-zero fields in the get_pfacts request are greater than
3217 * 1 byte in size, so we can just fire it off as is.
3218 */
3219 ii = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_pfacts,
3220 reply_sz, (u16*)pfacts, 5 /*seconds*/, sleepFlag);
3221 if (ii != 0)
3222 return ii;
3223
3224 /* Did we get a valid reply? */
3225
3226 /* Now byte swap the necessary fields in the response. */
3227 pfacts->MsgContext = le32_to_cpu(pfacts->MsgContext);
3228 pfacts->IOCStatus = le16_to_cpu(pfacts->IOCStatus);
3229 pfacts->IOCLogInfo = le32_to_cpu(pfacts->IOCLogInfo);
3230 pfacts->MaxDevices = le16_to_cpu(pfacts->MaxDevices);
3231 pfacts->PortSCSIID = le16_to_cpu(pfacts->PortSCSIID);
3232 pfacts->ProtocolFlags = le16_to_cpu(pfacts->ProtocolFlags);
3233 pfacts->MaxPostedCmdBuffers = le16_to_cpu(pfacts->MaxPostedCmdBuffers);
3234 pfacts->MaxPersistentIDs = le16_to_cpu(pfacts->MaxPersistentIDs);
3235 pfacts->MaxLanBuckets = le16_to_cpu(pfacts->MaxLanBuckets);
3236
3237 max_id = (ioc->bus_type == SAS) ? pfacts->PortSCSIID :
3238 pfacts->MaxDevices;
3239 ioc->devices_per_bus = (max_id > 255) ? 256 : max_id;
3240 ioc->number_of_buses = (ioc->devices_per_bus < 256) ? 1 : max_id/256;
3241
3242 /*
3243 * Place all the devices on channels
3244 *
3245 * (for debuging)
3246 */
3247 if (mpt_channel_mapping) {
3248 ioc->devices_per_bus = 1;
3249 ioc->number_of_buses = (max_id > 255) ? 255 : max_id;
3250 }
3251
3252 return 0;
3253}
3254
3255/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3256/**
3257 * SendIocInit - Send IOCInit request to MPT adapter.
3258 * @ioc: Pointer to MPT_ADAPTER structure
3259 * @sleepFlag: Specifies whether the process can sleep
3260 *
3261 * Send IOCInit followed by PortEnable to bring IOC to OPERATIONAL state.
3262 *
3263 * Returns 0 for success, non-zero for failure.
3264 */
3265static int
3266SendIocInit(MPT_ADAPTER *ioc, int sleepFlag)
3267{
3268 IOCInit_t ioc_init;
3269 MPIDefaultReply_t init_reply;
3270 u32 state;
3271 int r;
3272 int count;
3273 int cntdn;
3274
3275 memset(&ioc_init, 0, sizeof(ioc_init));
3276 memset(&init_reply, 0, sizeof(init_reply));
3277
3278 ioc_init.WhoInit = MPI_WHOINIT_HOST_DRIVER;
3279 ioc_init.Function = MPI_FUNCTION_IOC_INIT;
3280
3281 /* If we are in a recovery mode and we uploaded the FW image,
3282 * then this pointer is not NULL. Skip the upload a second time.
3283 * Set this flag if cached_fw set for either IOC.
3284 */
3285 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)
3286 ioc->upload_fw = 1;
3287 else
3288 ioc->upload_fw = 0;
3289 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "upload_fw %d facts.Flags=%x\n",
3290 ioc->name, ioc->upload_fw, ioc->facts.Flags));
3291
3292 ioc_init.MaxDevices = (U8)ioc->devices_per_bus;
3293 ioc_init.MaxBuses = (U8)ioc->number_of_buses;
3294
3295 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "facts.MsgVersion=%x\n",
3296 ioc->name, ioc->facts.MsgVersion));
3297 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05) {
3298 // set MsgVersion and HeaderVersion host driver was built with
3299 ioc_init.MsgVersion = cpu_to_le16(MPI_VERSION);
3300 ioc_init.HeaderVersion = cpu_to_le16(MPI_HEADER_VERSION);
3301
3302 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_HOST_PAGE_BUFFER_PERSISTENT) {
3303 ioc_init.HostPageBufferSGE = ioc->facts.HostPageBufferSGE;
3304 } else if(mpt_host_page_alloc(ioc, &ioc_init))
3305 return -99;
3306 }
3307 ioc_init.ReplyFrameSize = cpu_to_le16(ioc->reply_sz); /* in BYTES */
3308
3309 if (ioc->sg_addr_size == sizeof(u64)) {
3310 /* Save the upper 32-bits of the request
3311 * (reply) and sense buffers.
3312 */
3313 ioc_init.HostMfaHighAddr = cpu_to_le32((u32)((u64)ioc->alloc_dma >> 32));
3314 ioc_init.SenseBufferHighAddr = cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32));
3315 } else {
3316 /* Force 32-bit addressing */
3317 ioc_init.HostMfaHighAddr = cpu_to_le32(0);
3318 ioc_init.SenseBufferHighAddr = cpu_to_le32(0);
3319 }
3320
3321 ioc->facts.CurrentHostMfaHighAddr = ioc_init.HostMfaHighAddr;
3322 ioc->facts.CurrentSenseBufferHighAddr = ioc_init.SenseBufferHighAddr;
3323 ioc->facts.MaxDevices = ioc_init.MaxDevices;
3324 ioc->facts.MaxBuses = ioc_init.MaxBuses;
3325
3326 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOCInit (req @ %p)\n",
3327 ioc->name, &ioc_init));
3328
3329 r = mpt_handshake_req_reply_wait(ioc, sizeof(IOCInit_t), (u32*)&ioc_init,
3330 sizeof(MPIDefaultReply_t), (u16*)&init_reply, 10 /*seconds*/, sleepFlag);
3331 if (r != 0) {
3332 printk(MYIOC_s_ERR_FMT "Sending IOCInit failed(%d)!\n",ioc->name, r);
3333 return r;
3334 }
3335
3336 /* No need to byte swap the multibyte fields in the reply
3337 * since we don't even look at its contents.
3338 */
3339
3340 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending PortEnable (req @ %p)\n",
3341 ioc->name, &ioc_init));
3342
3343 if ((r = SendPortEnable(ioc, 0, sleepFlag)) != 0) {
3344 printk(MYIOC_s_ERR_FMT "Sending PortEnable failed(%d)!\n",ioc->name, r);
3345 return r;
3346 }
3347
3348 /* YIKES! SUPER IMPORTANT!!!
3349 * Poll IocState until _OPERATIONAL while IOC is doing
3350 * LoopInit and TargetDiscovery!
3351 */
3352 count = 0;
3353 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 60; /* 60 seconds */
3354 state = mpt_GetIocState(ioc, 1);
3355 while (state != MPI_IOC_STATE_OPERATIONAL && --cntdn) {
3356 if (sleepFlag == CAN_SLEEP) {
3357 msleep(1);
3358 } else {
3359 mdelay(1);
3360 }
3361
3362 if (!cntdn) {
3363 printk(MYIOC_s_ERR_FMT "Wait IOC_OP state timeout(%d)!\n",
3364 ioc->name, (int)((count+5)/HZ));
3365 return -9;
3366 }
3367
3368 state = mpt_GetIocState(ioc, 1);
3369 count++;
3370 }
3371 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wait IOC_OPERATIONAL state (cnt=%d)\n",
3372 ioc->name, count));
3373
3374 ioc->aen_event_read_flag=0;
3375 return r;
3376}
3377
3378/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3379/**
3380 * SendPortEnable - Send PortEnable request to MPT adapter port.
3381 * @ioc: Pointer to MPT_ADAPTER structure
3382 * @portnum: Port number to enable
3383 * @sleepFlag: Specifies whether the process can sleep
3384 *
3385 * Send PortEnable to bring IOC to OPERATIONAL state.
3386 *
3387 * Returns 0 for success, non-zero for failure.
3388 */
3389static int
3390SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag)
3391{
3392 PortEnable_t port_enable;
3393 MPIDefaultReply_t reply_buf;
3394 int rc;
3395 int req_sz;
3396 int reply_sz;
3397
3398 /* Destination... */
3399 reply_sz = sizeof(MPIDefaultReply_t);
3400 memset(&reply_buf, 0, reply_sz);
3401
3402 req_sz = sizeof(PortEnable_t);
3403 memset(&port_enable, 0, req_sz);
3404
3405 port_enable.Function = MPI_FUNCTION_PORT_ENABLE;
3406 port_enable.PortNumber = portnum;
3407/* port_enable.ChainOffset = 0; */
3408/* port_enable.MsgFlags = 0; */
3409/* port_enable.MsgContext = 0; */
3410
3411 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Port(%d)Enable (req @ %p)\n",
3412 ioc->name, portnum, &port_enable));
3413
3414 /* RAID FW may take a long time to enable
3415 */
3416 if (ioc->ir_firmware || ioc->bus_type == SAS) {
3417 rc = mpt_handshake_req_reply_wait(ioc, req_sz,
3418 (u32*)&port_enable, reply_sz, (u16*)&reply_buf,
3419 300 /*seconds*/, sleepFlag);
3420 } else {
3421 rc = mpt_handshake_req_reply_wait(ioc, req_sz,
3422 (u32*)&port_enable, reply_sz, (u16*)&reply_buf,
3423 30 /*seconds*/, sleepFlag);
3424 }
3425 return rc;
3426}
3427
3428/**
3429 * mpt_alloc_fw_memory - allocate firmware memory
3430 * @ioc: Pointer to MPT_ADAPTER structure
3431 * @size: total FW bytes
3432 *
3433 * If memory has already been allocated, the same (cached) value
3434 * is returned.
3435 *
3436 * Return 0 if successful, or non-zero for failure
3437 **/
3438int
3439mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size)
3440{
3441 int rc;
3442
3443 if (ioc->cached_fw) {
3444 rc = 0; /* use already allocated memory */
3445 goto out;
3446 }
3447 else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) {
3448 ioc->cached_fw = ioc->alt_ioc->cached_fw; /* use alt_ioc's memory */
3449 ioc->cached_fw_dma = ioc->alt_ioc->cached_fw_dma;
3450 rc = 0;
3451 goto out;
3452 }
3453 ioc->cached_fw = pci_alloc_consistent(ioc->pcidev, size, &ioc->cached_fw_dma);
3454 if (!ioc->cached_fw) {
3455 printk(MYIOC_s_ERR_FMT "Unable to allocate memory for the cached firmware image!\n",
3456 ioc->name);
3457 rc = -1;
3458 } else {
3459 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FW Image @ %p[%p], sz=%d[%x] bytes\n",
3460 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, size, size));
3461 ioc->alloc_total += size;
3462 rc = 0;
3463 }
3464 out:
3465 return rc;
3466}
3467
3468/**
3469 * mpt_free_fw_memory - free firmware memory
3470 * @ioc: Pointer to MPT_ADAPTER structure
3471 *
3472 * If alt_img is NULL, delete from ioc structure.
3473 * Else, delete a secondary image in same format.
3474 **/
3475void
3476mpt_free_fw_memory(MPT_ADAPTER *ioc)
3477{
3478 int sz;
3479
3480 if (!ioc->cached_fw)
3481 return;
3482
3483 sz = ioc->facts.FWImageSize;
3484 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "free_fw_memory: FW Image @ %p[%p], sz=%d[%x] bytes\n",
3485 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz));
3486 pci_free_consistent(ioc->pcidev, sz, ioc->cached_fw, ioc->cached_fw_dma);
3487 ioc->alloc_total -= sz;
3488 ioc->cached_fw = NULL;
3489}
3490
3491/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3492/**
3493 * mpt_do_upload - Construct and Send FWUpload request to MPT adapter port.
3494 * @ioc: Pointer to MPT_ADAPTER structure
3495 * @sleepFlag: Specifies whether the process can sleep
3496 *
3497 * Returns 0 for success, >0 for handshake failure
3498 * <0 for fw upload failure.
3499 *
3500 * Remark: If bound IOC and a successful FWUpload was performed
3501 * on the bound IOC, the second image is discarded
3502 * and memory is free'd. Both channels must upload to prevent
3503 * IOC from running in degraded mode.
3504 */
3505static int
3506mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag)
3507{
3508 u8 reply[sizeof(FWUploadReply_t)];
3509 FWUpload_t *prequest;
3510 FWUploadReply_t *preply;
3511 FWUploadTCSGE_t *ptcsge;
3512 u32 flagsLength;
3513 int ii, sz, reply_sz;
3514 int cmdStatus;
3515 int request_size;
3516 /* If the image size is 0, we are done.
3517 */
3518 if ((sz = ioc->facts.FWImageSize) == 0)
3519 return 0;
3520
3521 if (mpt_alloc_fw_memory(ioc, ioc->facts.FWImageSize) != 0)
3522 return -ENOMEM;
3523
3524 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": FW Image @ %p[%p], sz=%d[%x] bytes\n",
3525 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz));
3526
3527 prequest = (sleepFlag == NO_SLEEP) ? kzalloc(ioc->req_sz, GFP_ATOMIC) :
3528 kzalloc(ioc->req_sz, GFP_KERNEL);
3529 if (!prequest) {
3530 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "fw upload failed "
3531 "while allocating memory \n", ioc->name));
3532 mpt_free_fw_memory(ioc);
3533 return -ENOMEM;
3534 }
3535
3536 preply = (FWUploadReply_t *)&reply;
3537
3538 reply_sz = sizeof(reply);
3539 memset(preply, 0, reply_sz);
3540
3541 prequest->ImageType = MPI_FW_UPLOAD_ITYPE_FW_IOC_MEM;
3542 prequest->Function = MPI_FUNCTION_FW_UPLOAD;
3543
3544 ptcsge = (FWUploadTCSGE_t *) &prequest->SGL;
3545 ptcsge->DetailsLength = 12;
3546 ptcsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT;
3547 ptcsge->ImageSize = cpu_to_le32(sz);
3548 ptcsge++;
3549
3550 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ | sz;
3551 ioc->add_sge((char *)ptcsge, flagsLength, ioc->cached_fw_dma);
3552 request_size = offsetof(FWUpload_t, SGL) + sizeof(FWUploadTCSGE_t) +
3553 ioc->SGE_size;
3554 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending FW Upload "
3555 " (req @ %p) fw_size=%d mf_request_size=%d\n", ioc->name, prequest,
3556 ioc->facts.FWImageSize, request_size));
3557 DBG_DUMP_FW_REQUEST_FRAME(ioc, (u32 *)prequest);
3558
3559 ii = mpt_handshake_req_reply_wait(ioc, request_size, (u32 *)prequest,
3560 reply_sz, (u16 *)preply, 65 /*seconds*/, sleepFlag);
3561
3562 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FW Upload completed "
3563 "rc=%x \n", ioc->name, ii));
3564
3565 cmdStatus = -EFAULT;
3566 if (ii == 0) {
3567 /* Handshake transfer was complete and successful.
3568 * Check the Reply Frame.
3569 */
3570 int status;
3571 status = le16_to_cpu(preply->IOCStatus) &
3572 MPI_IOCSTATUS_MASK;
3573 if (status == MPI_IOCSTATUS_SUCCESS &&
3574 ioc->facts.FWImageSize ==
3575 le32_to_cpu(preply->ActualImageSize))
3576 cmdStatus = 0;
3577 }
3578 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": do_upload cmdStatus=%d \n",
3579 ioc->name, cmdStatus));
3580
3581
3582 if (cmdStatus) {
3583 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "fw upload failed, "
3584 "freeing image \n", ioc->name));
3585 mpt_free_fw_memory(ioc);
3586 }
3587 kfree(prequest);
3588
3589 return cmdStatus;
3590}
3591
3592/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3593/**
3594 * mpt_downloadboot - DownloadBoot code
3595 * @ioc: Pointer to MPT_ADAPTER structure
3596 * @pFwHeader: Pointer to firmware header info
3597 * @sleepFlag: Specifies whether the process can sleep
3598 *
3599 * FwDownloadBoot requires Programmed IO access.
3600 *
3601 * Returns 0 for success
3602 * -1 FW Image size is 0
3603 * -2 No valid cached_fw Pointer
3604 * <0 for fw upload failure.
3605 */
3606static int
3607mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag)
3608{
3609 MpiExtImageHeader_t *pExtImage;
3610 u32 fwSize;
3611 u32 diag0val;
3612 int count;
3613 u32 *ptrFw;
3614 u32 diagRwData;
3615 u32 nextImage;
3616 u32 load_addr;
3617 u32 ioc_state=0;
3618
3619 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot: fw size 0x%x (%d), FW Ptr %p\n",
3620 ioc->name, pFwHeader->ImageSize, pFwHeader->ImageSize, pFwHeader));
3621
3622 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3623 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
3624 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
3625 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
3626 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
3627 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
3628
3629 CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM));
3630
3631 /* wait 1 msec */
3632 if (sleepFlag == CAN_SLEEP) {
3633 msleep(1);
3634 } else {
3635 mdelay (1);
3636 }
3637
3638 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3639 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER);
3640
3641 for (count = 0; count < 30; count ++) {
3642 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3643 if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) {
3644 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RESET_ADAPTER cleared, count=%d\n",
3645 ioc->name, count));
3646 break;
3647 }
3648 /* wait .1 sec */
3649 if (sleepFlag == CAN_SLEEP) {
3650 msleep (100);
3651 } else {
3652 mdelay (100);
3653 }
3654 }
3655
3656 if ( count == 30 ) {
3657 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot failed! "
3658 "Unable to get MPI_DIAG_DRWE mode, diag0val=%x\n",
3659 ioc->name, diag0val));
3660 return -3;
3661 }
3662
3663 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3664 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
3665 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
3666 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
3667 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
3668 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
3669
3670 /* Set the DiagRwEn and Disable ARM bits */
3671 CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_RW_ENABLE | MPI_DIAG_DISABLE_ARM));
3672
3673 fwSize = (pFwHeader->ImageSize + 3)/4;
3674 ptrFw = (u32 *) pFwHeader;
3675
3676 /* Write the LoadStartAddress to the DiagRw Address Register
3677 * using Programmed IO
3678 */
3679 if (ioc->errata_flag_1064)
3680 pci_enable_io_access(ioc->pcidev);
3681
3682 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->LoadStartAddress);
3683 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "LoadStart addr written 0x%x \n",
3684 ioc->name, pFwHeader->LoadStartAddress));
3685
3686 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write FW Image: 0x%x bytes @ %p\n",
3687 ioc->name, fwSize*4, ptrFw));
3688 while (fwSize--) {
3689 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++);
3690 }
3691
3692 nextImage = pFwHeader->NextImageHeaderOffset;
3693 while (nextImage) {
3694 pExtImage = (MpiExtImageHeader_t *) ((char *)pFwHeader + nextImage);
3695
3696 load_addr = pExtImage->LoadStartAddress;
3697
3698 fwSize = (pExtImage->ImageSize + 3) >> 2;
3699 ptrFw = (u32 *)pExtImage;
3700
3701 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write Ext Image: 0x%x (%d) bytes @ %p load_addr=%x\n",
3702 ioc->name, fwSize*4, fwSize*4, ptrFw, load_addr));
3703 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, load_addr);
3704
3705 while (fwSize--) {
3706 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++);
3707 }
3708 nextImage = pExtImage->NextImageHeaderOffset;
3709 }
3710
3711 /* Write the IopResetVectorRegAddr */
3712 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Addr=%x! \n", ioc->name, pFwHeader->IopResetRegAddr));
3713 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->IopResetRegAddr);
3714
3715 /* Write the IopResetVectorValue */
3716 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Value=%x! \n", ioc->name, pFwHeader->IopResetVectorValue));
3717 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, pFwHeader->IopResetVectorValue);
3718
3719 /* Clear the internal flash bad bit - autoincrementing register,
3720 * so must do two writes.
3721 */
3722 if (ioc->bus_type == SPI) {
3723 /*
3724 * 1030 and 1035 H/W errata, workaround to access
3725 * the ClearFlashBadSignatureBit
3726 */
3727 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000);
3728 diagRwData = CHIPREG_PIO_READ32(&ioc->pio_chip->DiagRwData);
3729 diagRwData |= 0x40000000;
3730 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000);
3731 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, diagRwData);
3732
3733 } else /* if((ioc->bus_type == SAS) || (ioc->bus_type == FC)) */ {
3734 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3735 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val |
3736 MPI_DIAG_CLEAR_FLASH_BAD_SIG);
3737
3738 /* wait 1 msec */
3739 if (sleepFlag == CAN_SLEEP) {
3740 msleep (1);
3741 } else {
3742 mdelay (1);
3743 }
3744 }
3745
3746 if (ioc->errata_flag_1064)
3747 pci_disable_io_access(ioc->pcidev);
3748
3749 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3750 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot diag0val=%x, "
3751 "turning off PREVENT_IOC_BOOT, DISABLE_ARM, RW_ENABLE\n",
3752 ioc->name, diag0val));
3753 diag0val &= ~(MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM | MPI_DIAG_RW_ENABLE);
3754 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot now diag0val=%x\n",
3755 ioc->name, diag0val));
3756 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val);
3757
3758 /* Write 0xFF to reset the sequencer */
3759 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3760
3761 if (ioc->bus_type == SAS) {
3762 ioc_state = mpt_GetIocState(ioc, 0);
3763 if ( (GetIocFacts(ioc, sleepFlag,
3764 MPT_HOSTEVENT_IOC_BRINGUP)) != 0 ) {
3765 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "GetIocFacts failed: IocState=%x\n",
3766 ioc->name, ioc_state));
3767 return -EFAULT;
3768 }
3769 }
3770
3771 for (count=0; count<HZ*20; count++) {
3772 if ((ioc_state = mpt_GetIocState(ioc, 0)) & MPI_IOC_STATE_READY) {
3773 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3774 "downloadboot successful! (count=%d) IocState=%x\n",
3775 ioc->name, count, ioc_state));
3776 if (ioc->bus_type == SAS) {
3777 return 0;
3778 }
3779 if ((SendIocInit(ioc, sleepFlag)) != 0) {
3780 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3781 "downloadboot: SendIocInit failed\n",
3782 ioc->name));
3783 return -EFAULT;
3784 }
3785 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3786 "downloadboot: SendIocInit successful\n",
3787 ioc->name));
3788 return 0;
3789 }
3790 if (sleepFlag == CAN_SLEEP) {
3791 msleep (10);
3792 } else {
3793 mdelay (10);
3794 }
3795 }
3796 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3797 "downloadboot failed! IocState=%x\n",ioc->name, ioc_state));
3798 return -EFAULT;
3799}
3800
3801/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3802/**
3803 * KickStart - Perform hard reset of MPT adapter.
3804 * @ioc: Pointer to MPT_ADAPTER structure
3805 * @force: Force hard reset
3806 * @sleepFlag: Specifies whether the process can sleep
3807 *
3808 * This routine places MPT adapter in diagnostic mode via the
3809 * WriteSequence register, and then performs a hard reset of adapter
3810 * via the Diagnostic register.
3811 *
3812 * Inputs: sleepflag - CAN_SLEEP (non-interrupt thread)
3813 * or NO_SLEEP (interrupt thread, use mdelay)
3814 * force - 1 if doorbell active, board fault state
3815 * board operational, IOC_RECOVERY or
3816 * IOC_BRINGUP and there is an alt_ioc.
3817 * 0 else
3818 *
3819 * Returns:
3820 * 1 - hard reset, READY
3821 * 0 - no reset due to History bit, READY
3822 * -1 - no reset due to History bit but not READY
3823 * OR reset but failed to come READY
3824 * -2 - no reset, could not enter DIAG mode
3825 * -3 - reset but bad FW bit
3826 */
3827static int
3828KickStart(MPT_ADAPTER *ioc, int force, int sleepFlag)
3829{
3830 int hard_reset_done = 0;
3831 u32 ioc_state=0;
3832 int cnt,cntdn;
3833
3834 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStarting!\n", ioc->name));
3835 if (ioc->bus_type == SPI) {
3836 /* Always issue a Msg Unit Reset first. This will clear some
3837 * SCSI bus hang conditions.
3838 */
3839 SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag);
3840
3841 if (sleepFlag == CAN_SLEEP) {
3842 msleep (1000);
3843 } else {
3844 mdelay (1000);
3845 }
3846 }
3847
3848 hard_reset_done = mpt_diag_reset(ioc, force, sleepFlag);
3849 if (hard_reset_done < 0)
3850 return hard_reset_done;
3851
3852 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset successful!\n",
3853 ioc->name));
3854
3855 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 2; /* 2 seconds */
3856 for (cnt=0; cnt<cntdn; cnt++) {
3857 ioc_state = mpt_GetIocState(ioc, 1);
3858 if ((ioc_state == MPI_IOC_STATE_READY) || (ioc_state == MPI_IOC_STATE_OPERATIONAL)) {
3859 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStart successful! (cnt=%d)\n",
3860 ioc->name, cnt));
3861 return hard_reset_done;
3862 }
3863 if (sleepFlag == CAN_SLEEP) {
3864 msleep (10);
3865 } else {
3866 mdelay (10);
3867 }
3868 }
3869
3870 dinitprintk(ioc, printk(MYIOC_s_ERR_FMT "Failed to come READY after reset! IocState=%x\n",
3871 ioc->name, mpt_GetIocState(ioc, 0)));
3872 return -1;
3873}
3874
3875/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3876/**
3877 * mpt_diag_reset - Perform hard reset of the adapter.
3878 * @ioc: Pointer to MPT_ADAPTER structure
3879 * @ignore: Set if to honor and clear to ignore
3880 * the reset history bit
3881 * @sleepFlag: CAN_SLEEP if called in a non-interrupt thread,
3882 * else set to NO_SLEEP (use mdelay instead)
3883 *
3884 * This routine places the adapter in diagnostic mode via the
3885 * WriteSequence register and then performs a hard reset of adapter
3886 * via the Diagnostic register. Adapter should be in ready state
3887 * upon successful completion.
3888 *
3889 * Returns: 1 hard reset successful
3890 * 0 no reset performed because reset history bit set
3891 * -2 enabling diagnostic mode failed
3892 * -3 diagnostic reset failed
3893 */
3894static int
3895mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
3896{
3897 u32 diag0val;
3898 u32 doorbell;
3899 int hard_reset_done = 0;
3900 int count = 0;
3901 u32 diag1val = 0;
3902 MpiFwHeader_t *cached_fw; /* Pointer to FW */
3903 u8 cb_idx;
3904
3905 /* Clear any existing interrupts */
3906 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
3907
3908 if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) {
3909
3910 if (!ignore)
3911 return 0;
3912
3913 drsprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: Doorbell=%p; 1078 reset "
3914 "address=%p\n", ioc->name, __func__,
3915 &ioc->chip->Doorbell, &ioc->chip->Reset_1078));
3916 CHIPREG_WRITE32(&ioc->chip->Reset_1078, 0x07);
3917 if (sleepFlag == CAN_SLEEP)
3918 msleep(1);
3919 else
3920 mdelay(1);
3921
3922 /*
3923 * Call each currently registered protocol IOC reset handler
3924 * with pre-reset indication.
3925 * NOTE: If we're doing _IOC_BRINGUP, there can be no
3926 * MptResetHandlers[] registered yet.
3927 */
3928 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
3929 if (MptResetHandlers[cb_idx])
3930 (*(MptResetHandlers[cb_idx]))(ioc,
3931 MPT_IOC_PRE_RESET);
3932 }
3933
3934 for (count = 0; count < 60; count ++) {
3935 doorbell = CHIPREG_READ32(&ioc->chip->Doorbell);
3936 doorbell &= MPI_IOC_STATE_MASK;
3937
3938 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3939 "looking for READY STATE: doorbell=%x"
3940 " count=%d\n",
3941 ioc->name, doorbell, count));
3942
3943 if (doorbell == MPI_IOC_STATE_READY) {
3944 return 1;
3945 }
3946
3947 /* wait 1 sec */
3948 if (sleepFlag == CAN_SLEEP)
3949 msleep(1000);
3950 else
3951 mdelay(1000);
3952 }
3953 return -1;
3954 }
3955
3956 /* Use "Diagnostic reset" method! (only thing available!) */
3957 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3958
3959 if (ioc->debug_level & MPT_DEBUG) {
3960 if (ioc->alt_ioc)
3961 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
3962 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG1: diag0=%08x, diag1=%08x\n",
3963 ioc->name, diag0val, diag1val));
3964 }
3965
3966 /* Do the reset if we are told to ignore the reset history
3967 * or if the reset history is 0
3968 */
3969 if (ignore || !(diag0val & MPI_DIAG_RESET_HISTORY)) {
3970 while ((diag0val & MPI_DIAG_DRWE) == 0) {
3971 /* Write magic sequence to WriteSequence register
3972 * Loop until in diagnostic mode
3973 */
3974 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3975 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
3976 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
3977 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
3978 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
3979 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
3980
3981 /* wait 100 msec */
3982 if (sleepFlag == CAN_SLEEP) {
3983 msleep (100);
3984 } else {
3985 mdelay (100);
3986 }
3987
3988 count++;
3989 if (count > 20) {
3990 printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n",
3991 ioc->name, diag0val);
3992 return -2;
3993
3994 }
3995
3996 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3997
3998 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wrote magic DiagWriteEn sequence (%x)\n",
3999 ioc->name, diag0val));
4000 }
4001
4002 if (ioc->debug_level & MPT_DEBUG) {
4003 if (ioc->alt_ioc)
4004 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
4005 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG2: diag0=%08x, diag1=%08x\n",
4006 ioc->name, diag0val, diag1val));
4007 }
4008 /*
4009 * Disable the ARM (Bug fix)
4010 *
4011 */
4012 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_DISABLE_ARM);
4013 mdelay(1);
4014
4015 /*
4016 * Now hit the reset bit in the Diagnostic register
4017 * (THE BIG HAMMER!) (Clears DRWE bit).
4018 */
4019 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER);
4020 hard_reset_done = 1;
4021 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset performed\n",
4022 ioc->name));
4023
4024 /*
4025 * Call each currently registered protocol IOC reset handler
4026 * with pre-reset indication.
4027 * NOTE: If we're doing _IOC_BRINGUP, there can be no
4028 * MptResetHandlers[] registered yet.
4029 */
4030 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
4031 if (MptResetHandlers[cb_idx]) {
4032 mpt_signal_reset(cb_idx,
4033 ioc, MPT_IOC_PRE_RESET);
4034 if (ioc->alt_ioc) {
4035 mpt_signal_reset(cb_idx,
4036 ioc->alt_ioc, MPT_IOC_PRE_RESET);
4037 }
4038 }
4039 }
4040
4041 if (ioc->cached_fw)
4042 cached_fw = (MpiFwHeader_t *)ioc->cached_fw;
4043 else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw)
4044 cached_fw = (MpiFwHeader_t *)ioc->alt_ioc->cached_fw;
4045 else
4046 cached_fw = NULL;
4047 if (cached_fw) {
4048 /* If the DownloadBoot operation fails, the
4049 * IOC will be left unusable. This is a fatal error
4050 * case. _diag_reset will return < 0
4051 */
4052 for (count = 0; count < 30; count ++) {
4053 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4054 if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) {
4055 break;
4056 }
4057
4058 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "cached_fw: diag0val=%x count=%d\n",
4059 ioc->name, diag0val, count));
4060 /* wait 1 sec */
4061 if (sleepFlag == CAN_SLEEP) {
4062 msleep (1000);
4063 } else {
4064 mdelay (1000);
4065 }
4066 }
4067 if ((count = mpt_downloadboot(ioc, cached_fw, sleepFlag)) < 0) {
4068 printk(MYIOC_s_WARN_FMT
4069 "firmware downloadboot failure (%d)!\n", ioc->name, count);
4070 }
4071
4072 } else {
4073 /* Wait for FW to reload and for board
4074 * to go to the READY state.
4075 * Maximum wait is 60 seconds.
4076 * If fail, no error will check again
4077 * with calling program.
4078 */
4079 for (count = 0; count < 60; count ++) {
4080 doorbell = CHIPREG_READ32(&ioc->chip->Doorbell);
4081 doorbell &= MPI_IOC_STATE_MASK;
4082
4083 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4084 "looking for READY STATE: doorbell=%x"
4085 " count=%d\n", ioc->name, doorbell, count));
4086
4087 if (doorbell == MPI_IOC_STATE_READY) {
4088 break;
4089 }
4090
4091 /* wait 1 sec */
4092 if (sleepFlag == CAN_SLEEP) {
4093 msleep (1000);
4094 } else {
4095 mdelay (1000);
4096 }
4097 }
4098
4099 if (doorbell != MPI_IOC_STATE_READY)
4100 printk(MYIOC_s_ERR_FMT "Failed to come READY "
4101 "after reset! IocState=%x", ioc->name,
4102 doorbell);
4103 }
4104 }
4105
4106 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4107 if (ioc->debug_level & MPT_DEBUG) {
4108 if (ioc->alt_ioc)
4109 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
4110 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG3: diag0=%08x, diag1=%08x\n",
4111 ioc->name, diag0val, diag1val));
4112 }
4113
4114 /* Clear RESET_HISTORY bit! Place board in the
4115 * diagnostic mode to update the diag register.
4116 */
4117 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4118 count = 0;
4119 while ((diag0val & MPI_DIAG_DRWE) == 0) {
4120 /* Write magic sequence to WriteSequence register
4121 * Loop until in diagnostic mode
4122 */
4123 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
4124 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
4125 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
4126 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
4127 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
4128 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
4129
4130 /* wait 100 msec */
4131 if (sleepFlag == CAN_SLEEP) {
4132 msleep (100);
4133 } else {
4134 mdelay (100);
4135 }
4136
4137 count++;
4138 if (count > 20) {
4139 printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n",
4140 ioc->name, diag0val);
4141 break;
4142 }
4143 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4144 }
4145 diag0val &= ~MPI_DIAG_RESET_HISTORY;
4146 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val);
4147 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4148 if (diag0val & MPI_DIAG_RESET_HISTORY) {
4149 printk(MYIOC_s_WARN_FMT "ResetHistory bit failed to clear!\n",
4150 ioc->name);
4151 }
4152
4153 /* Disable Diagnostic Mode
4154 */
4155 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFFFFFFFF);
4156
4157 /* Check FW reload status flags.
4158 */
4159 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4160 if (diag0val & (MPI_DIAG_FLASH_BAD_SIG | MPI_DIAG_RESET_ADAPTER | MPI_DIAG_DISABLE_ARM)) {
4161 printk(MYIOC_s_ERR_FMT "Diagnostic reset FAILED! (%02xh)\n",
4162 ioc->name, diag0val);
4163 return -3;
4164 }
4165
4166 if (ioc->debug_level & MPT_DEBUG) {
4167 if (ioc->alt_ioc)
4168 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
4169 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG4: diag0=%08x, diag1=%08x\n",
4170 ioc->name, diag0val, diag1val));
4171 }
4172
4173 /*
4174 * Reset flag that says we've enabled event notification
4175 */
4176 ioc->facts.EventState = 0;
4177
4178 if (ioc->alt_ioc)
4179 ioc->alt_ioc->facts.EventState = 0;
4180
4181 return hard_reset_done;
4182}
4183
4184/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4185/**
4186 * SendIocReset - Send IOCReset request to MPT adapter.
4187 * @ioc: Pointer to MPT_ADAPTER structure
4188 * @reset_type: reset type, expected values are
4189 * %MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET or %MPI_FUNCTION_IO_UNIT_RESET
4190 * @sleepFlag: Specifies whether the process can sleep
4191 *
4192 * Send IOCReset request to the MPT adapter.
4193 *
4194 * Returns 0 for success, non-zero for failure.
4195 */
4196static int
4197SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag)
4198{
4199 int r;
4200 u32 state;
4201 int cntdn, count;
4202
4203 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOC reset(0x%02x)!\n",
4204 ioc->name, reset_type));
4205 CHIPREG_WRITE32(&ioc->chip->Doorbell, reset_type<<MPI_DOORBELL_FUNCTION_SHIFT);
4206 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
4207 return r;
4208
4209 /* FW ACK'd request, wait for READY state
4210 */
4211 count = 0;
4212 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 15; /* 15 seconds */
4213
4214 while ((state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) {
4215 cntdn--;
4216 count++;
4217 if (!cntdn) {
4218 if (sleepFlag != CAN_SLEEP)
4219 count *= 10;
4220
4221 printk(MYIOC_s_ERR_FMT
4222 "Wait IOC_READY state (0x%x) timeout(%d)!\n",
4223 ioc->name, state, (int)((count+5)/HZ));
4224 return -ETIME;
4225 }
4226
4227 if (sleepFlag == CAN_SLEEP) {
4228 msleep(1);
4229 } else {
4230 mdelay (1); /* 1 msec delay */
4231 }
4232 }
4233
4234 /* TODO!
4235 * Cleanup all event stuff for this IOC; re-issue EventNotification
4236 * request if needed.
4237 */
4238 if (ioc->facts.Function)
4239 ioc->facts.EventState = 0;
4240
4241 return 0;
4242}
4243
4244/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4245/**
4246 * initChainBuffers - Allocate memory for and initialize chain buffers
4247 * @ioc: Pointer to MPT_ADAPTER structure
4248 *
4249 * Allocates memory for and initializes chain buffers,
4250 * chain buffer control arrays and spinlock.
4251 */
4252static int
4253initChainBuffers(MPT_ADAPTER *ioc)
4254{
4255 u8 *mem;
4256 int sz, ii, num_chain;
4257 int scale, num_sge, numSGE;
4258
4259 /* ReqToChain size must equal the req_depth
4260 * index = req_idx
4261 */
4262 if (ioc->ReqToChain == NULL) {
4263 sz = ioc->req_depth * sizeof(int);
4264 mem = kmalloc(sz, GFP_ATOMIC);
4265 if (mem == NULL)
4266 return -1;
4267
4268 ioc->ReqToChain = (int *) mem;
4269 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReqToChain alloc @ %p, sz=%d bytes\n",
4270 ioc->name, mem, sz));
4271 mem = kmalloc(sz, GFP_ATOMIC);
4272 if (mem == NULL)
4273 return -1;
4274
4275 ioc->RequestNB = (int *) mem;
4276 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestNB alloc @ %p, sz=%d bytes\n",
4277 ioc->name, mem, sz));
4278 }
4279 for (ii = 0; ii < ioc->req_depth; ii++) {
4280 ioc->ReqToChain[ii] = MPT_HOST_NO_CHAIN;
4281 }
4282
4283 /* ChainToChain size must equal the total number
4284 * of chain buffers to be allocated.
4285 * index = chain_idx
4286 *
4287 * Calculate the number of chain buffers needed(plus 1) per I/O
4288 * then multiply the maximum number of simultaneous cmds
4289 *
4290 * num_sge = num sge in request frame + last chain buffer
4291 * scale = num sge per chain buffer if no chain element
4292 */
4293 scale = ioc->req_sz / ioc->SGE_size;
4294 if (ioc->sg_addr_size == sizeof(u64))
4295 num_sge = scale + (ioc->req_sz - 60) / ioc->SGE_size;
4296 else
4297 num_sge = 1 + scale + (ioc->req_sz - 64) / ioc->SGE_size;
4298
4299 if (ioc->sg_addr_size == sizeof(u64)) {
4300 numSGE = (scale - 1) * (ioc->facts.MaxChainDepth-1) + scale +
4301 (ioc->req_sz - 60) / ioc->SGE_size;
4302 } else {
4303 numSGE = 1 + (scale - 1) * (ioc->facts.MaxChainDepth-1) +
4304 scale + (ioc->req_sz - 64) / ioc->SGE_size;
4305 }
4306 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "num_sge=%d numSGE=%d\n",
4307 ioc->name, num_sge, numSGE));
4308
4309 if (ioc->bus_type == FC) {
4310 if (numSGE > MPT_SCSI_FC_SG_DEPTH)
4311 numSGE = MPT_SCSI_FC_SG_DEPTH;
4312 } else {
4313 if (numSGE > MPT_SCSI_SG_DEPTH)
4314 numSGE = MPT_SCSI_SG_DEPTH;
4315 }
4316
4317 num_chain = 1;
4318 while (numSGE - num_sge > 0) {
4319 num_chain++;
4320 num_sge += (scale - 1);
4321 }
4322 num_chain++;
4323
4324 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Now numSGE=%d num_sge=%d num_chain=%d\n",
4325 ioc->name, numSGE, num_sge, num_chain));
4326
4327 if (ioc->bus_type == SPI)
4328 num_chain *= MPT_SCSI_CAN_QUEUE;
4329 else if (ioc->bus_type == SAS)
4330 num_chain *= MPT_SAS_CAN_QUEUE;
4331 else
4332 num_chain *= MPT_FC_CAN_QUEUE;
4333
4334 ioc->num_chain = num_chain;
4335
4336 sz = num_chain * sizeof(int);
4337 if (ioc->ChainToChain == NULL) {
4338 mem = kmalloc(sz, GFP_ATOMIC);
4339 if (mem == NULL)
4340 return -1;
4341
4342 ioc->ChainToChain = (int *) mem;
4343 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainToChain alloc @ %p, sz=%d bytes\n",
4344 ioc->name, mem, sz));
4345 } else {
4346 mem = (u8 *) ioc->ChainToChain;
4347 }
4348 memset(mem, 0xFF, sz);
4349 return num_chain;
4350}
4351
4352/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4353/**
4354 * PrimeIocFifos - Initialize IOC request and reply FIFOs.
4355 * @ioc: Pointer to MPT_ADAPTER structure
4356 *
4357 * This routine allocates memory for the MPT reply and request frame
4358 * pools (if necessary), and primes the IOC reply FIFO with
4359 * reply frames.
4360 *
4361 * Returns 0 for success, non-zero for failure.
4362 */
4363static int
4364PrimeIocFifos(MPT_ADAPTER *ioc)
4365{
4366 MPT_FRAME_HDR *mf;
4367 unsigned long flags;
4368 dma_addr_t alloc_dma;
4369 u8 *mem;
4370 int i, reply_sz, sz, total_size, num_chain;
4371 u64 dma_mask;
4372
4373 dma_mask = 0;
4374
4375 /* Prime reply FIFO... */
4376
4377 if (ioc->reply_frames == NULL) {
4378 if ( (num_chain = initChainBuffers(ioc)) < 0)
4379 return -1;
4380 /*
4381 * 1078 errata workaround for the 36GB limitation
4382 */
4383 if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078 &&
4384 ioc->dma_mask > DMA_BIT_MASK(35)) {
4385 if (!pci_set_dma_mask(ioc->pcidev, DMA_BIT_MASK(32))
4386 && !pci_set_consistent_dma_mask(ioc->pcidev,
4387 DMA_BIT_MASK(32))) {
4388 dma_mask = DMA_BIT_MASK(35);
4389 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4390 "setting 35 bit addressing for "
4391 "Request/Reply/Chain and Sense Buffers\n",
4392 ioc->name));
4393 } else {
4394 /*Reseting DMA mask to 64 bit*/
4395 pci_set_dma_mask(ioc->pcidev,
4396 DMA_BIT_MASK(64));
4397 pci_set_consistent_dma_mask(ioc->pcidev,
4398 DMA_BIT_MASK(64));
4399
4400 printk(MYIOC_s_ERR_FMT
4401 "failed setting 35 bit addressing for "
4402 "Request/Reply/Chain and Sense Buffers\n",
4403 ioc->name);
4404 return -1;
4405 }
4406 }
4407
4408 total_size = reply_sz = (ioc->reply_sz * ioc->reply_depth);
4409 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d bytes, ReplyDepth=%d\n",
4410 ioc->name, ioc->reply_sz, ioc->reply_depth));
4411 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d[%x] bytes\n",
4412 ioc->name, reply_sz, reply_sz));
4413
4414 sz = (ioc->req_sz * ioc->req_depth);
4415 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d bytes, RequestDepth=%d\n",
4416 ioc->name, ioc->req_sz, ioc->req_depth));
4417 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d[%x] bytes\n",
4418 ioc->name, sz, sz));
4419 total_size += sz;
4420
4421 sz = num_chain * ioc->req_sz; /* chain buffer pool size */
4422 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d bytes, ChainDepth=%d\n",
4423 ioc->name, ioc->req_sz, num_chain));
4424 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d[%x] bytes num_chain=%d\n",
4425 ioc->name, sz, sz, num_chain));
4426
4427 total_size += sz;
4428 mem = pci_alloc_consistent(ioc->pcidev, total_size, &alloc_dma);
4429 if (mem == NULL) {
4430 printk(MYIOC_s_ERR_FMT "Unable to allocate Reply, Request, Chain Buffers!\n",
4431 ioc->name);
4432 goto out_fail;
4433 }
4434
4435 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Total alloc @ %p[%p], sz=%d[%x] bytes\n",
4436 ioc->name, mem, (void *)(ulong)alloc_dma, total_size, total_size));
4437
4438 memset(mem, 0, total_size);
4439 ioc->alloc_total += total_size;
4440 ioc->alloc = mem;
4441 ioc->alloc_dma = alloc_dma;
4442 ioc->alloc_sz = total_size;
4443 ioc->reply_frames = (MPT_FRAME_HDR *) mem;
4444 ioc->reply_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF);
4445
4446 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n",
4447 ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma));
4448
4449 alloc_dma += reply_sz;
4450 mem += reply_sz;
4451
4452 /* Request FIFO - WE manage this! */
4453
4454 ioc->req_frames = (MPT_FRAME_HDR *) mem;
4455 ioc->req_frames_dma = alloc_dma;
4456
4457 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffers @ %p[%p]\n",
4458 ioc->name, mem, (void *)(ulong)alloc_dma));
4459
4460 ioc->req_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF);
4461
4462#if defined(CONFIG_MTRR) && 0
4463 /*
4464 * Enable Write Combining MTRR for IOC's memory region.
4465 * (at least as much as we can; "size and base must be
4466 * multiples of 4 kiB"
4467 */
4468 ioc->mtrr_reg = mtrr_add(ioc->req_frames_dma,
4469 sz,
4470 MTRR_TYPE_WRCOMB, 1);
4471 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MTRR region registered (base:size=%08x:%x)\n",
4472 ioc->name, ioc->req_frames_dma, sz));
4473#endif
4474
4475 for (i = 0; i < ioc->req_depth; i++) {
4476 alloc_dma += ioc->req_sz;
4477 mem += ioc->req_sz;
4478 }
4479
4480 ioc->ChainBuffer = mem;
4481 ioc->ChainBufferDMA = alloc_dma;
4482
4483 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffers @ %p(%p)\n",
4484 ioc->name, ioc->ChainBuffer, (void *)(ulong)ioc->ChainBufferDMA));
4485
4486 /* Initialize the free chain Q.
4487 */
4488
4489 INIT_LIST_HEAD(&ioc->FreeChainQ);
4490
4491 /* Post the chain buffers to the FreeChainQ.
4492 */
4493 mem = (u8 *)ioc->ChainBuffer;
4494 for (i=0; i < num_chain; i++) {
4495 mf = (MPT_FRAME_HDR *) mem;
4496 list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeChainQ);
4497 mem += ioc->req_sz;
4498 }
4499
4500 /* Initialize Request frames linked list
4501 */
4502 alloc_dma = ioc->req_frames_dma;
4503 mem = (u8 *) ioc->req_frames;
4504
4505 spin_lock_irqsave(&ioc->FreeQlock, flags);
4506 INIT_LIST_HEAD(&ioc->FreeQ);
4507 for (i = 0; i < ioc->req_depth; i++) {
4508 mf = (MPT_FRAME_HDR *) mem;
4509
4510 /* Queue REQUESTs *internally*! */
4511 list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeQ);
4512
4513 mem += ioc->req_sz;
4514 }
4515 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
4516
4517 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
4518 ioc->sense_buf_pool =
4519 pci_alloc_consistent(ioc->pcidev, sz, &ioc->sense_buf_pool_dma);
4520 if (ioc->sense_buf_pool == NULL) {
4521 printk(MYIOC_s_ERR_FMT "Unable to allocate Sense Buffers!\n",
4522 ioc->name);
4523 goto out_fail;
4524 }
4525
4526 ioc->sense_buf_low_dma = (u32) (ioc->sense_buf_pool_dma & 0xFFFFFFFF);
4527 ioc->alloc_total += sz;
4528 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SenseBuffers @ %p[%p]\n",
4529 ioc->name, ioc->sense_buf_pool, (void *)(ulong)ioc->sense_buf_pool_dma));
4530
4531 }
4532
4533 /* Post Reply frames to FIFO
4534 */
4535 alloc_dma = ioc->alloc_dma;
4536 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n",
4537 ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma));
4538
4539 for (i = 0; i < ioc->reply_depth; i++) {
4540 /* Write each address to the IOC! */
4541 CHIPREG_WRITE32(&ioc->chip->ReplyFifo, alloc_dma);
4542 alloc_dma += ioc->reply_sz;
4543 }
4544
4545 if (dma_mask == DMA_BIT_MASK(35) && !pci_set_dma_mask(ioc->pcidev,
4546 ioc->dma_mask) && !pci_set_consistent_dma_mask(ioc->pcidev,
4547 ioc->dma_mask))
4548 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4549 "restoring 64 bit addressing\n", ioc->name));
4550
4551 return 0;
4552
4553out_fail:
4554
4555 if (ioc->alloc != NULL) {
4556 sz = ioc->alloc_sz;
4557 pci_free_consistent(ioc->pcidev,
4558 sz,
4559 ioc->alloc, ioc->alloc_dma);
4560 ioc->reply_frames = NULL;
4561 ioc->req_frames = NULL;
4562 ioc->alloc_total -= sz;
4563 }
4564 if (ioc->sense_buf_pool != NULL) {
4565 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
4566 pci_free_consistent(ioc->pcidev,
4567 sz,
4568 ioc->sense_buf_pool, ioc->sense_buf_pool_dma);
4569 ioc->sense_buf_pool = NULL;
4570 }
4571
4572 if (dma_mask == DMA_BIT_MASK(35) && !pci_set_dma_mask(ioc->pcidev,
4573 DMA_BIT_MASK(64)) && !pci_set_consistent_dma_mask(ioc->pcidev,
4574 DMA_BIT_MASK(64)))
4575 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4576 "restoring 64 bit addressing\n", ioc->name));
4577
4578 return -1;
4579}
4580
4581/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4582/**
4583 * mpt_handshake_req_reply_wait - Send MPT request to and receive reply
4584 * from IOC via doorbell handshake method.
4585 * @ioc: Pointer to MPT_ADAPTER structure
4586 * @reqBytes: Size of the request in bytes
4587 * @req: Pointer to MPT request frame
4588 * @replyBytes: Expected size of the reply in bytes
4589 * @u16reply: Pointer to area where reply should be written
4590 * @maxwait: Max wait time for a reply (in seconds)
4591 * @sleepFlag: Specifies whether the process can sleep
4592 *
4593 * NOTES: It is the callers responsibility to byte-swap fields in the
4594 * request which are greater than 1 byte in size. It is also the
4595 * callers responsibility to byte-swap response fields which are
4596 * greater than 1 byte in size.
4597 *
4598 * Returns 0 for success, non-zero for failure.
4599 */
4600static int
4601mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes, u32 *req,
4602 int replyBytes, u16 *u16reply, int maxwait, int sleepFlag)
4603{
4604 MPIDefaultReply_t *mptReply;
4605 int failcnt = 0;
4606 int t;
4607
4608 /*
4609 * Get ready to cache a handshake reply
4610 */
4611 ioc->hs_reply_idx = 0;
4612 mptReply = (MPIDefaultReply_t *) ioc->hs_reply;
4613 mptReply->MsgLength = 0;
4614
4615 /*
4616 * Make sure there are no doorbells (WRITE 0 to IntStatus reg),
4617 * then tell IOC that we want to handshake a request of N words.
4618 * (WRITE u32val to Doorbell reg).
4619 */
4620 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4621 CHIPREG_WRITE32(&ioc->chip->Doorbell,
4622 ((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) |
4623 ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT)));
4624
4625 /*
4626 * Wait for IOC's doorbell handshake int
4627 */
4628 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4629 failcnt++;
4630
4631 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request start reqBytes=%d, WaitCnt=%d%s\n",
4632 ioc->name, reqBytes, t, failcnt ? " - MISSING DOORBELL HANDSHAKE!" : ""));
4633
4634 /* Read doorbell and check for active bit */
4635 if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE))
4636 return -1;
4637
4638 /*
4639 * Clear doorbell int (WRITE 0 to IntStatus reg),
4640 * then wait for IOC to ACKnowledge that it's ready for
4641 * our handshake request.
4642 */
4643 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4644 if (!failcnt && (t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
4645 failcnt++;
4646
4647 if (!failcnt) {
4648 int ii;
4649 u8 *req_as_bytes = (u8 *) req;
4650
4651 /*
4652 * Stuff request words via doorbell handshake,
4653 * with ACK from IOC for each.
4654 */
4655 for (ii = 0; !failcnt && ii < reqBytes/4; ii++) {
4656 u32 word = ((req_as_bytes[(ii*4) + 0] << 0) |
4657 (req_as_bytes[(ii*4) + 1] << 8) |
4658 (req_as_bytes[(ii*4) + 2] << 16) |
4659 (req_as_bytes[(ii*4) + 3] << 24));
4660
4661 CHIPREG_WRITE32(&ioc->chip->Doorbell, word);
4662 if ((t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
4663 failcnt++;
4664 }
4665
4666 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handshake request frame (@%p) header\n", ioc->name, req));
4667 DBG_DUMP_REQUEST_FRAME_HDR(ioc, (u32 *)req);
4668
4669 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request post done, WaitCnt=%d%s\n",
4670 ioc->name, t, failcnt ? " - MISSING DOORBELL ACK!" : ""));
4671
4672 /*
4673 * Wait for completion of doorbell handshake reply from the IOC
4674 */
4675 if (!failcnt && (t = WaitForDoorbellReply(ioc, maxwait, sleepFlag)) < 0)
4676 failcnt++;
4677
4678 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake reply count=%d%s\n",
4679 ioc->name, t, failcnt ? " - MISSING DOORBELL REPLY!" : ""));
4680
4681 /*
4682 * Copy out the cached reply...
4683 */
4684 for (ii=0; ii < min(replyBytes/2,mptReply->MsgLength*2); ii++)
4685 u16reply[ii] = ioc->hs_reply[ii];
4686 } else {
4687 return -99;
4688 }
4689
4690 return -failcnt;
4691}
4692
4693/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4694/**
4695 * WaitForDoorbellAck - Wait for IOC doorbell handshake acknowledge
4696 * @ioc: Pointer to MPT_ADAPTER structure
4697 * @howlong: How long to wait (in seconds)
4698 * @sleepFlag: Specifies whether the process can sleep
4699 *
4700 * This routine waits (up to ~2 seconds max) for IOC doorbell
4701 * handshake ACKnowledge, indicated by the IOP_DOORBELL_STATUS
4702 * bit in its IntStatus register being clear.
4703 *
4704 * Returns a negative value on failure, else wait loop count.
4705 */
4706static int
4707WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
4708{
4709 int cntdn;
4710 int count = 0;
4711 u32 intstat=0;
4712
4713 cntdn = 1000 * howlong;
4714
4715 if (sleepFlag == CAN_SLEEP) {
4716 while (--cntdn) {
4717 msleep (1);
4718 intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4719 if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
4720 break;
4721 count++;
4722 }
4723 } else {
4724 while (--cntdn) {
4725 udelay (1000);
4726 intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4727 if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
4728 break;
4729 count++;
4730 }
4731 }
4732
4733 if (cntdn) {
4734 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell ACK (count=%d)\n",
4735 ioc->name, count));
4736 return count;
4737 }
4738
4739 printk(MYIOC_s_ERR_FMT "Doorbell ACK timeout (count=%d), IntStatus=%x!\n",
4740 ioc->name, count, intstat);
4741 return -1;
4742}
4743
4744/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4745/**
4746 * WaitForDoorbellInt - Wait for IOC to set its doorbell interrupt bit
4747 * @ioc: Pointer to MPT_ADAPTER structure
4748 * @howlong: How long to wait (in seconds)
4749 * @sleepFlag: Specifies whether the process can sleep
4750 *
4751 * This routine waits (up to ~2 seconds max) for IOC doorbell interrupt
4752 * (MPI_HIS_DOORBELL_INTERRUPT) to be set in the IntStatus register.
4753 *
4754 * Returns a negative value on failure, else wait loop count.
4755 */
4756static int
4757WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
4758{
4759 int cntdn;
4760 int count = 0;
4761 u32 intstat=0;
4762
4763 cntdn = 1000 * howlong;
4764 if (sleepFlag == CAN_SLEEP) {
4765 while (--cntdn) {
4766 intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4767 if (intstat & MPI_HIS_DOORBELL_INTERRUPT)
4768 break;
4769 msleep(1);
4770 count++;
4771 }
4772 } else {
4773 while (--cntdn) {
4774 intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4775 if (intstat & MPI_HIS_DOORBELL_INTERRUPT)
4776 break;
4777 udelay (1000);
4778 count++;
4779 }
4780 }
4781
4782 if (cntdn) {
4783 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell INT (cnt=%d) howlong=%d\n",
4784 ioc->name, count, howlong));
4785 return count;
4786 }
4787
4788 printk(MYIOC_s_ERR_FMT "Doorbell INT timeout (count=%d), IntStatus=%x!\n",
4789 ioc->name, count, intstat);
4790 return -1;
4791}
4792
4793/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4794/**
4795 * WaitForDoorbellReply - Wait for and capture an IOC handshake reply.
4796 * @ioc: Pointer to MPT_ADAPTER structure
4797 * @howlong: How long to wait (in seconds)
4798 * @sleepFlag: Specifies whether the process can sleep
4799 *
4800 * This routine polls the IOC for a handshake reply, 16 bits at a time.
4801 * Reply is cached to IOC private area large enough to hold a maximum
4802 * of 128 bytes of reply data.
4803 *
4804 * Returns a negative value on failure, else size of reply in WORDS.
4805 */
4806static int
4807WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
4808{
4809 int u16cnt = 0;
4810 int failcnt = 0;
4811 int t;
4812 u16 *hs_reply = ioc->hs_reply;
4813 volatile MPIDefaultReply_t *mptReply = (MPIDefaultReply_t *) ioc->hs_reply;
4814 u16 hword;
4815
4816 hs_reply[0] = hs_reply[1] = hs_reply[7] = 0;
4817
4818 /*
4819 * Get first two u16's so we can look at IOC's intended reply MsgLength
4820 */
4821 u16cnt=0;
4822 if ((t = WaitForDoorbellInt(ioc, howlong, sleepFlag)) < 0) {
4823 failcnt++;
4824 } else {
4825 hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
4826 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4827 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4828 failcnt++;
4829 else {
4830 hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
4831 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4832 }
4833 }
4834
4835 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitCnt=%d First handshake reply word=%08x%s\n",
4836 ioc->name, t, le32_to_cpu(*(u32 *)hs_reply),
4837 failcnt ? " - MISSING DOORBELL HANDSHAKE!" : ""));
4838
4839 /*
4840 * If no error (and IOC said MsgLength is > 0), piece together
4841 * reply 16 bits at a time.
4842 */
4843 for (u16cnt=2; !failcnt && u16cnt < (2 * mptReply->MsgLength); u16cnt++) {
4844 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4845 failcnt++;
4846 hword = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
4847 /* don't overflow our IOC hs_reply[] buffer! */
4848 if (u16cnt < ARRAY_SIZE(ioc->hs_reply))
4849 hs_reply[u16cnt] = hword;
4850 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4851 }
4852
4853 if (!failcnt && (t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4854 failcnt++;
4855 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4856
4857 if (failcnt) {
4858 printk(MYIOC_s_ERR_FMT "Handshake reply failure!\n",
4859 ioc->name);
4860 return -failcnt;
4861 }
4862#if 0
4863 else if (u16cnt != (2 * mptReply->MsgLength)) {
4864 return -101;
4865 }
4866 else if ((mptReply->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
4867 return -102;
4868 }
4869#endif
4870
4871 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got Handshake reply:\n", ioc->name));
4872 DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mptReply);
4873
4874 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell REPLY WaitCnt=%d (sz=%d)\n",
4875 ioc->name, t, u16cnt/2));
4876 return u16cnt/2;
4877}
4878
4879/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4880/**
4881 * GetLanConfigPages - Fetch LANConfig pages.
4882 * @ioc: Pointer to MPT_ADAPTER structure
4883 *
4884 * Return: 0 for success
4885 * -ENOMEM if no memory available
4886 * -EPERM if not allowed due to ISR context
4887 * -EAGAIN if no msg frames currently available
4888 * -EFAULT for non-successful reply or no reply (timeout)
4889 */
4890static int
4891GetLanConfigPages(MPT_ADAPTER *ioc)
4892{
4893 ConfigPageHeader_t hdr;
4894 CONFIGPARMS cfg;
4895 LANPage0_t *ppage0_alloc;
4896 dma_addr_t page0_dma;
4897 LANPage1_t *ppage1_alloc;
4898 dma_addr_t page1_dma;
4899 int rc = 0;
4900 int data_sz;
4901 int copy_sz;
4902
4903 /* Get LAN Page 0 header */
4904 hdr.PageVersion = 0;
4905 hdr.PageLength = 0;
4906 hdr.PageNumber = 0;
4907 hdr.PageType = MPI_CONFIG_PAGETYPE_LAN;
4908 cfg.cfghdr.hdr = &hdr;
4909 cfg.physAddr = -1;
4910 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4911 cfg.dir = 0;
4912 cfg.pageAddr = 0;
4913 cfg.timeout = 0;
4914
4915 if ((rc = mpt_config(ioc, &cfg)) != 0)
4916 return rc;
4917
4918 if (hdr.PageLength > 0) {
4919 data_sz = hdr.PageLength * 4;
4920 ppage0_alloc = (LANPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
4921 rc = -ENOMEM;
4922 if (ppage0_alloc) {
4923 memset((u8 *)ppage0_alloc, 0, data_sz);
4924 cfg.physAddr = page0_dma;
4925 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4926
4927 if ((rc = mpt_config(ioc, &cfg)) == 0) {
4928 /* save the data */
4929 copy_sz = min_t(int, sizeof(LANPage0_t), data_sz);
4930 memcpy(&ioc->lan_cnfg_page0, ppage0_alloc, copy_sz);
4931
4932 }
4933
4934 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
4935
4936 /* FIXME!
4937 * Normalize endianness of structure data,
4938 * by byte-swapping all > 1 byte fields!
4939 */
4940
4941 }
4942
4943 if (rc)
4944 return rc;
4945 }
4946
4947 /* Get LAN Page 1 header */
4948 hdr.PageVersion = 0;
4949 hdr.PageLength = 0;
4950 hdr.PageNumber = 1;
4951 hdr.PageType = MPI_CONFIG_PAGETYPE_LAN;
4952 cfg.cfghdr.hdr = &hdr;
4953 cfg.physAddr = -1;
4954 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4955 cfg.dir = 0;
4956 cfg.pageAddr = 0;
4957
4958 if ((rc = mpt_config(ioc, &cfg)) != 0)
4959 return rc;
4960
4961 if (hdr.PageLength == 0)
4962 return 0;
4963
4964 data_sz = hdr.PageLength * 4;
4965 rc = -ENOMEM;
4966 ppage1_alloc = (LANPage1_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page1_dma);
4967 if (ppage1_alloc) {
4968 memset((u8 *)ppage1_alloc, 0, data_sz);
4969 cfg.physAddr = page1_dma;
4970 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4971
4972 if ((rc = mpt_config(ioc, &cfg)) == 0) {
4973 /* save the data */
4974 copy_sz = min_t(int, sizeof(LANPage1_t), data_sz);
4975 memcpy(&ioc->lan_cnfg_page1, ppage1_alloc, copy_sz);
4976 }
4977
4978 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage1_alloc, page1_dma);
4979
4980 /* FIXME!
4981 * Normalize endianness of structure data,
4982 * by byte-swapping all > 1 byte fields!
4983 */
4984
4985 }
4986
4987 return rc;
4988}
4989
4990/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4991/**
4992 * mptbase_sas_persist_operation - Perform operation on SAS Persistent Table
4993 * @ioc: Pointer to MPT_ADAPTER structure
4994 * @persist_opcode: see below
4995 *
4996 * MPI_SAS_OP_CLEAR_NOT_PRESENT - Free all persist TargetID mappings for
4997 * devices not currently present.
4998 * MPI_SAS_OP_CLEAR_ALL_PERSISTENT - Clear al persist TargetID mappings
4999 *
5000 * NOTE: Don't use not this function during interrupt time.
5001 *
5002 * Returns 0 for success, non-zero error
5003 */
5004
5005/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5006int
5007mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode)
5008{
5009 SasIoUnitControlRequest_t *sasIoUnitCntrReq;
5010 SasIoUnitControlReply_t *sasIoUnitCntrReply;
5011 MPT_FRAME_HDR *mf = NULL;
5012 MPIHeader_t *mpi_hdr;
5013 int ret = 0;
5014 unsigned long timeleft;
5015
5016 mutex_lock(&ioc->mptbase_cmds.mutex);
5017
5018 /* init the internal cmd struct */
5019 memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE);
5020 INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status)
5021
5022 /* insure garbage is not sent to fw */
5023 switch(persist_opcode) {
5024
5025 case MPI_SAS_OP_CLEAR_NOT_PRESENT:
5026 case MPI_SAS_OP_CLEAR_ALL_PERSISTENT:
5027 break;
5028
5029 default:
5030 ret = -1;
5031 goto out;
5032 }
5033
5034 printk(KERN_DEBUG "%s: persist_opcode=%x\n",
5035 __func__, persist_opcode);
5036
5037 /* Get a MF for this command.
5038 */
5039 if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
5040 printk(KERN_DEBUG "%s: no msg frames!\n", __func__);
5041 ret = -1;
5042 goto out;
5043 }
5044
5045 mpi_hdr = (MPIHeader_t *) mf;
5046 sasIoUnitCntrReq = (SasIoUnitControlRequest_t *)mf;
5047 memset(sasIoUnitCntrReq,0,sizeof(SasIoUnitControlRequest_t));
5048 sasIoUnitCntrReq->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
5049 sasIoUnitCntrReq->MsgContext = mpi_hdr->MsgContext;
5050 sasIoUnitCntrReq->Operation = persist_opcode;
5051
5052 mpt_put_msg_frame(mpt_base_index, ioc, mf);
5053 timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done, 10*HZ);
5054 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
5055 ret = -ETIME;
5056 printk(KERN_DEBUG "%s: failed\n", __func__);
5057 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
5058 goto out;
5059 if (!timeleft) {
5060 printk(MYIOC_s_WARN_FMT
5061 "Issuing Reset from %s!!, doorbell=0x%08x\n",
5062 ioc->name, __func__, mpt_GetIocState(ioc, 0));
5063 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
5064 mpt_free_msg_frame(ioc, mf);
5065 }
5066 goto out;
5067 }
5068
5069 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
5070 ret = -1;
5071 goto out;
5072 }
5073
5074 sasIoUnitCntrReply =
5075 (SasIoUnitControlReply_t *)ioc->mptbase_cmds.reply;
5076 if (le16_to_cpu(sasIoUnitCntrReply->IOCStatus) != MPI_IOCSTATUS_SUCCESS) {
5077 printk(KERN_DEBUG "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
5078 __func__, sasIoUnitCntrReply->IOCStatus,
5079 sasIoUnitCntrReply->IOCLogInfo);
5080 printk(KERN_DEBUG "%s: failed\n", __func__);
5081 ret = -1;
5082 } else
5083 printk(KERN_DEBUG "%s: success\n", __func__);
5084 out:
5085
5086 CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status)
5087 mutex_unlock(&ioc->mptbase_cmds.mutex);
5088 return ret;
5089}
5090
5091/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5092
5093static void
5094mptbase_raid_process_event_data(MPT_ADAPTER *ioc,
5095 MpiEventDataRaid_t * pRaidEventData)
5096{
5097 int volume;
5098 int reason;
5099 int disk;
5100 int status;
5101 int flags;
5102 int state;
5103
5104 volume = pRaidEventData->VolumeID;
5105 reason = pRaidEventData->ReasonCode;
5106 disk = pRaidEventData->PhysDiskNum;
5107 status = le32_to_cpu(pRaidEventData->SettingsStatus);
5108 flags = (status >> 0) & 0xff;
5109 state = (status >> 8) & 0xff;
5110
5111 if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) {
5112 return;
5113 }
5114
5115 if ((reason >= MPI_EVENT_RAID_RC_PHYSDISK_CREATED &&
5116 reason <= MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED) ||
5117 (reason == MPI_EVENT_RAID_RC_SMART_DATA)) {
5118 printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for PhysDisk %d id=%d\n",
5119 ioc->name, disk, volume);
5120 } else {
5121 printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for VolumeID %d\n",
5122 ioc->name, volume);
5123 }
5124
5125 switch(reason) {
5126 case MPI_EVENT_RAID_RC_VOLUME_CREATED:
5127 printk(MYIOC_s_INFO_FMT " volume has been created\n",
5128 ioc->name);
5129 break;
5130
5131 case MPI_EVENT_RAID_RC_VOLUME_DELETED:
5132
5133 printk(MYIOC_s_INFO_FMT " volume has been deleted\n",
5134 ioc->name);
5135 break;
5136
5137 case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED:
5138 printk(MYIOC_s_INFO_FMT " volume settings have been changed\n",
5139 ioc->name);
5140 break;
5141
5142 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
5143 printk(MYIOC_s_INFO_FMT " volume is now %s%s%s%s\n",
5144 ioc->name,
5145 state == MPI_RAIDVOL0_STATUS_STATE_OPTIMAL
5146 ? "optimal"
5147 : state == MPI_RAIDVOL0_STATUS_STATE_DEGRADED
5148 ? "degraded"
5149 : state == MPI_RAIDVOL0_STATUS_STATE_FAILED
5150 ? "failed"
5151 : "state unknown",
5152 flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED
5153 ? ", enabled" : "",
5154 flags & MPI_RAIDVOL0_STATUS_FLAG_QUIESCED
5155 ? ", quiesced" : "",
5156 flags & MPI_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
5157 ? ", resync in progress" : "" );
5158 break;
5159
5160 case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED:
5161 printk(MYIOC_s_INFO_FMT " volume membership of PhysDisk %d has changed\n",
5162 ioc->name, disk);
5163 break;
5164
5165 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
5166 printk(MYIOC_s_INFO_FMT " PhysDisk has been created\n",
5167 ioc->name);
5168 break;
5169
5170 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
5171 printk(MYIOC_s_INFO_FMT " PhysDisk has been deleted\n",
5172 ioc->name);
5173 break;
5174
5175 case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED:
5176 printk(MYIOC_s_INFO_FMT " PhysDisk settings have been changed\n",
5177 ioc->name);
5178 break;
5179
5180 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
5181 printk(MYIOC_s_INFO_FMT " PhysDisk is now %s%s%s\n",
5182 ioc->name,
5183 state == MPI_PHYSDISK0_STATUS_ONLINE
5184 ? "online"
5185 : state == MPI_PHYSDISK0_STATUS_MISSING
5186 ? "missing"
5187 : state == MPI_PHYSDISK0_STATUS_NOT_COMPATIBLE
5188 ? "not compatible"
5189 : state == MPI_PHYSDISK0_STATUS_FAILED
5190 ? "failed"
5191 : state == MPI_PHYSDISK0_STATUS_INITIALIZING
5192 ? "initializing"
5193 : state == MPI_PHYSDISK0_STATUS_OFFLINE_REQUESTED
5194 ? "offline requested"
5195 : state == MPI_PHYSDISK0_STATUS_FAILED_REQUESTED
5196 ? "failed requested"
5197 : state == MPI_PHYSDISK0_STATUS_OTHER_OFFLINE
5198 ? "offline"
5199 : "state unknown",
5200 flags & MPI_PHYSDISK0_STATUS_FLAG_OUT_OF_SYNC
5201 ? ", out of sync" : "",
5202 flags & MPI_PHYSDISK0_STATUS_FLAG_QUIESCED
5203 ? ", quiesced" : "" );
5204 break;
5205
5206 case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED:
5207 printk(MYIOC_s_INFO_FMT " Domain Validation needed for PhysDisk %d\n",
5208 ioc->name, disk);
5209 break;
5210
5211 case MPI_EVENT_RAID_RC_SMART_DATA:
5212 printk(MYIOC_s_INFO_FMT " SMART data received, ASC/ASCQ = %02xh/%02xh\n",
5213 ioc->name, pRaidEventData->ASC, pRaidEventData->ASCQ);
5214 break;
5215
5216 case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED:
5217 printk(MYIOC_s_INFO_FMT " replacement of PhysDisk %d has started\n",
5218 ioc->name, disk);
5219 break;
5220 }
5221}
5222
5223/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5224/**
5225 * GetIoUnitPage2 - Retrieve BIOS version and boot order information.
5226 * @ioc: Pointer to MPT_ADAPTER structure
5227 *
5228 * Returns: 0 for success
5229 * -ENOMEM if no memory available
5230 * -EPERM if not allowed due to ISR context
5231 * -EAGAIN if no msg frames currently available
5232 * -EFAULT for non-successful reply or no reply (timeout)
5233 */
5234static int
5235GetIoUnitPage2(MPT_ADAPTER *ioc)
5236{
5237 ConfigPageHeader_t hdr;
5238 CONFIGPARMS cfg;
5239 IOUnitPage2_t *ppage_alloc;
5240 dma_addr_t page_dma;
5241 int data_sz;
5242 int rc;
5243
5244 /* Get the page header */
5245 hdr.PageVersion = 0;
5246 hdr.PageLength = 0;
5247 hdr.PageNumber = 2;
5248 hdr.PageType = MPI_CONFIG_PAGETYPE_IO_UNIT;
5249 cfg.cfghdr.hdr = &hdr;
5250 cfg.physAddr = -1;
5251 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5252 cfg.dir = 0;
5253 cfg.pageAddr = 0;
5254 cfg.timeout = 0;
5255
5256 if ((rc = mpt_config(ioc, &cfg)) != 0)
5257 return rc;
5258
5259 if (hdr.PageLength == 0)
5260 return 0;
5261
5262 /* Read the config page */
5263 data_sz = hdr.PageLength * 4;
5264 rc = -ENOMEM;
5265 ppage_alloc = (IOUnitPage2_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma);
5266 if (ppage_alloc) {
5267 memset((u8 *)ppage_alloc, 0, data_sz);
5268 cfg.physAddr = page_dma;
5269 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5270
5271 /* If Good, save data */
5272 if ((rc = mpt_config(ioc, &cfg)) == 0)
5273 ioc->biosVersion = le32_to_cpu(ppage_alloc->BiosVersion);
5274
5275 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage_alloc, page_dma);
5276 }
5277
5278 return rc;
5279}
5280
5281/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5282/**
5283 * mpt_GetScsiPortSettings - read SCSI Port Page 0 and 2
5284 * @ioc: Pointer to a Adapter Strucutre
5285 * @portnum: IOC port number
5286 *
5287 * Return: -EFAULT if read of config page header fails
5288 * or if no nvram
5289 * If read of SCSI Port Page 0 fails,
5290 * NVRAM = MPT_HOST_NVRAM_INVALID (0xFFFFFFFF)
5291 * Adapter settings: async, narrow
5292 * Return 1
5293 * If read of SCSI Port Page 2 fails,
5294 * Adapter settings valid
5295 * NVRAM = MPT_HOST_NVRAM_INVALID (0xFFFFFFFF)
5296 * Return 1
5297 * Else
5298 * Both valid
5299 * Return 0
5300 * CHECK - what type of locking mechanisms should be used????
5301 */
5302static int
5303mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum)
5304{
5305 u8 *pbuf;
5306 dma_addr_t buf_dma;
5307 CONFIGPARMS cfg;
5308 ConfigPageHeader_t header;
5309 int ii;
5310 int data, rc = 0;
5311
5312 /* Allocate memory
5313 */
5314 if (!ioc->spi_data.nvram) {
5315 int sz;
5316 u8 *mem;
5317 sz = MPT_MAX_SCSI_DEVICES * sizeof(int);
5318 mem = kmalloc(sz, GFP_ATOMIC);
5319 if (mem == NULL)
5320 return -EFAULT;
5321
5322 ioc->spi_data.nvram = (int *) mem;
5323
5324 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SCSI device NVRAM settings @ %p, sz=%d\n",
5325 ioc->name, ioc->spi_data.nvram, sz));
5326 }
5327
5328 /* Invalidate NVRAM information
5329 */
5330 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
5331 ioc->spi_data.nvram[ii] = MPT_HOST_NVRAM_INVALID;
5332 }
5333
5334 /* Read SPP0 header, allocate memory, then read page.
5335 */
5336 header.PageVersion = 0;
5337 header.PageLength = 0;
5338 header.PageNumber = 0;
5339 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT;
5340 cfg.cfghdr.hdr = &header;
5341 cfg.physAddr = -1;
5342 cfg.pageAddr = portnum;
5343 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5344 cfg.dir = 0;
5345 cfg.timeout = 0; /* use default */
5346 if (mpt_config(ioc, &cfg) != 0)
5347 return -EFAULT;
5348
5349 if (header.PageLength > 0) {
5350 pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma);
5351 if (pbuf) {
5352 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5353 cfg.physAddr = buf_dma;
5354 if (mpt_config(ioc, &cfg) != 0) {
5355 ioc->spi_data.maxBusWidth = MPT_NARROW;
5356 ioc->spi_data.maxSyncOffset = 0;
5357 ioc->spi_data.minSyncFactor = MPT_ASYNC;
5358 ioc->spi_data.busType = MPT_HOST_BUS_UNKNOWN;
5359 rc = 1;
5360 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5361 "Unable to read PortPage0 minSyncFactor=%x\n",
5362 ioc->name, ioc->spi_data.minSyncFactor));
5363 } else {
5364 /* Save the Port Page 0 data
5365 */
5366 SCSIPortPage0_t *pPP0 = (SCSIPortPage0_t *) pbuf;
5367 pPP0->Capabilities = le32_to_cpu(pPP0->Capabilities);
5368 pPP0->PhysicalInterface = le32_to_cpu(pPP0->PhysicalInterface);
5369
5370 if ( (pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_QAS) == 0 ) {
5371 ioc->spi_data.noQas |= MPT_TARGET_NO_NEGO_QAS;
5372 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5373 "noQas due to Capabilities=%x\n",
5374 ioc->name, pPP0->Capabilities));
5375 }
5376 ioc->spi_data.maxBusWidth = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_WIDE ? 1 : 0;
5377 data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MAX_SYNC_OFFSET_MASK;
5378 if (data) {
5379 ioc->spi_data.maxSyncOffset = (u8) (data >> 16);
5380 data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MIN_SYNC_PERIOD_MASK;
5381 ioc->spi_data.minSyncFactor = (u8) (data >> 8);
5382 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5383 "PortPage0 minSyncFactor=%x\n",
5384 ioc->name, ioc->spi_data.minSyncFactor));
5385 } else {
5386 ioc->spi_data.maxSyncOffset = 0;
5387 ioc->spi_data.minSyncFactor = MPT_ASYNC;
5388 }
5389
5390 ioc->spi_data.busType = pPP0->PhysicalInterface & MPI_SCSIPORTPAGE0_PHY_SIGNAL_TYPE_MASK;
5391
5392 /* Update the minSyncFactor based on bus type.
5393 */
5394 if ((ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_HVD) ||
5395 (ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_SE)) {
5396
5397 if (ioc->spi_data.minSyncFactor < MPT_ULTRA) {
5398 ioc->spi_data.minSyncFactor = MPT_ULTRA;
5399 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5400 "HVD or SE detected, minSyncFactor=%x\n",
5401 ioc->name, ioc->spi_data.minSyncFactor));
5402 }
5403 }
5404 }
5405 if (pbuf) {
5406 pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma);
5407 }
5408 }
5409 }
5410
5411 /* SCSI Port Page 2 - Read the header then the page.
5412 */
5413 header.PageVersion = 0;
5414 header.PageLength = 0;
5415 header.PageNumber = 2;
5416 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT;
5417 cfg.cfghdr.hdr = &header;
5418 cfg.physAddr = -1;
5419 cfg.pageAddr = portnum;
5420 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5421 cfg.dir = 0;
5422 if (mpt_config(ioc, &cfg) != 0)
5423 return -EFAULT;
5424
5425 if (header.PageLength > 0) {
5426 /* Allocate memory and read SCSI Port Page 2
5427 */
5428 pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma);
5429 if (pbuf) {
5430 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_NVRAM;
5431 cfg.physAddr = buf_dma;
5432 if (mpt_config(ioc, &cfg) != 0) {
5433 /* Nvram data is left with INVALID mark
5434 */
5435 rc = 1;
5436 } else if (ioc->pcidev->vendor == PCI_VENDOR_ID_ATTO) {
5437
5438 /* This is an ATTO adapter, read Page2 accordingly
5439 */
5440 ATTO_SCSIPortPage2_t *pPP2 = (ATTO_SCSIPortPage2_t *) pbuf;
5441 ATTODeviceInfo_t *pdevice = NULL;
5442 u16 ATTOFlags;
5443
5444 /* Save the Port Page 2 data
5445 * (reformat into a 32bit quantity)
5446 */
5447 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
5448 pdevice = &pPP2->DeviceSettings[ii];
5449 ATTOFlags = le16_to_cpu(pdevice->ATTOFlags);
5450 data = 0;
5451
5452 /* Translate ATTO device flags to LSI format
5453 */
5454 if (ATTOFlags & ATTOFLAG_DISC)
5455 data |= (MPI_SCSIPORTPAGE2_DEVICE_DISCONNECT_ENABLE);
5456 if (ATTOFlags & ATTOFLAG_ID_ENB)
5457 data |= (MPI_SCSIPORTPAGE2_DEVICE_ID_SCAN_ENABLE);
5458 if (ATTOFlags & ATTOFLAG_LUN_ENB)
5459 data |= (MPI_SCSIPORTPAGE2_DEVICE_LUN_SCAN_ENABLE);
5460 if (ATTOFlags & ATTOFLAG_TAGGED)
5461 data |= (MPI_SCSIPORTPAGE2_DEVICE_TAG_QUEUE_ENABLE);
5462 if (!(ATTOFlags & ATTOFLAG_WIDE_ENB))
5463 data |= (MPI_SCSIPORTPAGE2_DEVICE_WIDE_DISABLE);
5464
5465 data = (data << 16) | (pdevice->Period << 8) | 10;
5466 ioc->spi_data.nvram[ii] = data;
5467 }
5468 } else {
5469 SCSIPortPage2_t *pPP2 = (SCSIPortPage2_t *) pbuf;
5470 MpiDeviceInfo_t *pdevice = NULL;
5471
5472 /*
5473 * Save "Set to Avoid SCSI Bus Resets" flag
5474 */
5475 ioc->spi_data.bus_reset =
5476 (le32_to_cpu(pPP2->PortFlags) &
5477 MPI_SCSIPORTPAGE2_PORT_FLAGS_AVOID_SCSI_RESET) ?
5478 0 : 1 ;
5479
5480 /* Save the Port Page 2 data
5481 * (reformat into a 32bit quantity)
5482 */
5483 data = le32_to_cpu(pPP2->PortFlags) & MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK;
5484 ioc->spi_data.PortFlags = data;
5485 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
5486 pdevice = &pPP2->DeviceSettings[ii];
5487 data = (le16_to_cpu(pdevice->DeviceFlags) << 16) |
5488 (pdevice->SyncFactor << 8) | pdevice->Timeout;
5489 ioc->spi_data.nvram[ii] = data;
5490 }
5491 }
5492
5493 pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma);
5494 }
5495 }
5496
5497 /* Update Adapter limits with those from NVRAM
5498 * Comment: Don't need to do this. Target performance
5499 * parameters will never exceed the adapters limits.
5500 */
5501
5502 return rc;
5503}
5504
5505/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5506/**
5507 * mpt_readScsiDevicePageHeaders - save version and length of SDP1
5508 * @ioc: Pointer to a Adapter Strucutre
5509 * @portnum: IOC port number
5510 *
5511 * Return: -EFAULT if read of config page header fails
5512 * or 0 if success.
5513 */
5514static int
5515mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum)
5516{
5517 CONFIGPARMS cfg;
5518 ConfigPageHeader_t header;
5519
5520 /* Read the SCSI Device Page 1 header
5521 */
5522 header.PageVersion = 0;
5523 header.PageLength = 0;
5524 header.PageNumber = 1;
5525 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
5526 cfg.cfghdr.hdr = &header;
5527 cfg.physAddr = -1;
5528 cfg.pageAddr = portnum;
5529 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5530 cfg.dir = 0;
5531 cfg.timeout = 0;
5532 if (mpt_config(ioc, &cfg) != 0)
5533 return -EFAULT;
5534
5535 ioc->spi_data.sdp1version = cfg.cfghdr.hdr->PageVersion;
5536 ioc->spi_data.sdp1length = cfg.cfghdr.hdr->PageLength;
5537
5538 header.PageVersion = 0;
5539 header.PageLength = 0;
5540 header.PageNumber = 0;
5541 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
5542 if (mpt_config(ioc, &cfg) != 0)
5543 return -EFAULT;
5544
5545 ioc->spi_data.sdp0version = cfg.cfghdr.hdr->PageVersion;
5546 ioc->spi_data.sdp0length = cfg.cfghdr.hdr->PageLength;
5547
5548 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 0: version %d length %d\n",
5549 ioc->name, ioc->spi_data.sdp0version, ioc->spi_data.sdp0length));
5550
5551 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 1: version %d length %d\n",
5552 ioc->name, ioc->spi_data.sdp1version, ioc->spi_data.sdp1length));
5553 return 0;
5554}
5555
5556/**
5557 * mpt_inactive_raid_list_free - This clears this link list.
5558 * @ioc : pointer to per adapter structure
5559 **/
5560static void
5561mpt_inactive_raid_list_free(MPT_ADAPTER *ioc)
5562{
5563 struct inactive_raid_component_info *component_info, *pNext;
5564
5565 if (list_empty(&ioc->raid_data.inactive_list))
5566 return;
5567
5568 mutex_lock(&ioc->raid_data.inactive_list_mutex);
5569 list_for_each_entry_safe(component_info, pNext,
5570 &ioc->raid_data.inactive_list, list) {
5571 list_del(&component_info->list);
5572 kfree(component_info);
5573 }
5574 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
5575}
5576
5577/**
5578 * mpt_inactive_raid_volumes - sets up link list of phy_disk_nums for devices belonging in an inactive volume
5579 *
5580 * @ioc : pointer to per adapter structure
5581 * @channel : volume channel
5582 * @id : volume target id
5583 **/
5584static void
5585mpt_inactive_raid_volumes(MPT_ADAPTER *ioc, u8 channel, u8 id)
5586{
5587 CONFIGPARMS cfg;
5588 ConfigPageHeader_t hdr;
5589 dma_addr_t dma_handle;
5590 pRaidVolumePage0_t buffer = NULL;
5591 int i;
5592 RaidPhysDiskPage0_t phys_disk;
5593 struct inactive_raid_component_info *component_info;
5594 int handle_inactive_volumes;
5595
5596 memset(&cfg, 0 , sizeof(CONFIGPARMS));
5597 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5598 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
5599 cfg.pageAddr = (channel << 8) + id;
5600 cfg.cfghdr.hdr = &hdr;
5601 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5602
5603 if (mpt_config(ioc, &cfg) != 0)
5604 goto out;
5605
5606 if (!hdr.PageLength)
5607 goto out;
5608
5609 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5610 &dma_handle);
5611
5612 if (!buffer)
5613 goto out;
5614
5615 cfg.physAddr = dma_handle;
5616 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5617
5618 if (mpt_config(ioc, &cfg) != 0)
5619 goto out;
5620
5621 if (!buffer->NumPhysDisks)
5622 goto out;
5623
5624 handle_inactive_volumes =
5625 (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE ||
5626 (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED) == 0 ||
5627 buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_FAILED ||
5628 buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_MISSING) ? 1 : 0;
5629
5630 if (!handle_inactive_volumes)
5631 goto out;
5632
5633 mutex_lock(&ioc->raid_data.inactive_list_mutex);
5634 for (i = 0; i < buffer->NumPhysDisks; i++) {
5635 if(mpt_raid_phys_disk_pg0(ioc,
5636 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
5637 continue;
5638
5639 if ((component_info = kmalloc(sizeof (*component_info),
5640 GFP_KERNEL)) == NULL)
5641 continue;
5642
5643 component_info->volumeID = id;
5644 component_info->volumeBus = channel;
5645 component_info->d.PhysDiskNum = phys_disk.PhysDiskNum;
5646 component_info->d.PhysDiskBus = phys_disk.PhysDiskBus;
5647 component_info->d.PhysDiskID = phys_disk.PhysDiskID;
5648 component_info->d.PhysDiskIOC = phys_disk.PhysDiskIOC;
5649
5650 list_add_tail(&component_info->list,
5651 &ioc->raid_data.inactive_list);
5652 }
5653 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
5654
5655 out:
5656 if (buffer)
5657 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5658 dma_handle);
5659}
5660
5661/**
5662 * mpt_raid_phys_disk_pg0 - returns phys disk page zero
5663 * @ioc: Pointer to a Adapter Structure
5664 * @phys_disk_num: io unit unique phys disk num generated by the ioc
5665 * @phys_disk: requested payload data returned
5666 *
5667 * Return:
5668 * 0 on success
5669 * -EFAULT if read of config page header fails or data pointer not NULL
5670 * -ENOMEM if pci_alloc failed
5671 **/
5672int
5673mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num,
5674 RaidPhysDiskPage0_t *phys_disk)
5675{
5676 CONFIGPARMS cfg;
5677 ConfigPageHeader_t hdr;
5678 dma_addr_t dma_handle;
5679 pRaidPhysDiskPage0_t buffer = NULL;
5680 int rc;
5681
5682 memset(&cfg, 0 , sizeof(CONFIGPARMS));
5683 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5684 memset(phys_disk, 0, sizeof(RaidPhysDiskPage0_t));
5685
5686 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE0_PAGEVERSION;
5687 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
5688 cfg.cfghdr.hdr = &hdr;
5689 cfg.physAddr = -1;
5690 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5691
5692 if (mpt_config(ioc, &cfg) != 0) {
5693 rc = -EFAULT;
5694 goto out;
5695 }
5696
5697 if (!hdr.PageLength) {
5698 rc = -EFAULT;
5699 goto out;
5700 }
5701
5702 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5703 &dma_handle);
5704
5705 if (!buffer) {
5706 rc = -ENOMEM;
5707 goto out;
5708 }
5709
5710 cfg.physAddr = dma_handle;
5711 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5712 cfg.pageAddr = phys_disk_num;
5713
5714 if (mpt_config(ioc, &cfg) != 0) {
5715 rc = -EFAULT;
5716 goto out;
5717 }
5718
5719 rc = 0;
5720 memcpy(phys_disk, buffer, sizeof(*buffer));
5721 phys_disk->MaxLBA = le32_to_cpu(buffer->MaxLBA);
5722
5723 out:
5724
5725 if (buffer)
5726 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5727 dma_handle);
5728
5729 return rc;
5730}
5731
5732/**
5733 * mpt_raid_phys_disk_get_num_paths - returns number paths associated to this phys_num
5734 * @ioc: Pointer to a Adapter Structure
5735 * @phys_disk_num: io unit unique phys disk num generated by the ioc
5736 *
5737 * Return:
5738 * returns number paths
5739 **/
5740int
5741mpt_raid_phys_disk_get_num_paths(MPT_ADAPTER *ioc, u8 phys_disk_num)
5742{
5743 CONFIGPARMS cfg;
5744 ConfigPageHeader_t hdr;
5745 dma_addr_t dma_handle;
5746 pRaidPhysDiskPage1_t buffer = NULL;
5747 int rc;
5748
5749 memset(&cfg, 0 , sizeof(CONFIGPARMS));
5750 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5751
5752 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE1_PAGEVERSION;
5753 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
5754 hdr.PageNumber = 1;
5755 cfg.cfghdr.hdr = &hdr;
5756 cfg.physAddr = -1;
5757 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5758
5759 if (mpt_config(ioc, &cfg) != 0) {
5760 rc = 0;
5761 goto out;
5762 }
5763
5764 if (!hdr.PageLength) {
5765 rc = 0;
5766 goto out;
5767 }
5768
5769 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5770 &dma_handle);
5771
5772 if (!buffer) {
5773 rc = 0;
5774 goto out;
5775 }
5776
5777 cfg.physAddr = dma_handle;
5778 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5779 cfg.pageAddr = phys_disk_num;
5780
5781 if (mpt_config(ioc, &cfg) != 0) {
5782 rc = 0;
5783 goto out;
5784 }
5785
5786 rc = buffer->NumPhysDiskPaths;
5787 out:
5788
5789 if (buffer)
5790 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5791 dma_handle);
5792
5793 return rc;
5794}
5795EXPORT_SYMBOL(mpt_raid_phys_disk_get_num_paths);
5796
5797/**
5798 * mpt_raid_phys_disk_pg1 - returns phys disk page 1
5799 * @ioc: Pointer to a Adapter Structure
5800 * @phys_disk_num: io unit unique phys disk num generated by the ioc
5801 * @phys_disk: requested payload data returned
5802 *
5803 * Return:
5804 * 0 on success
5805 * -EFAULT if read of config page header fails or data pointer not NULL
5806 * -ENOMEM if pci_alloc failed
5807 **/
5808int
5809mpt_raid_phys_disk_pg1(MPT_ADAPTER *ioc, u8 phys_disk_num,
5810 RaidPhysDiskPage1_t *phys_disk)
5811{
5812 CONFIGPARMS cfg;
5813 ConfigPageHeader_t hdr;
5814 dma_addr_t dma_handle;
5815 pRaidPhysDiskPage1_t buffer = NULL;
5816 int rc;
5817 int i;
5818 __le64 sas_address;
5819
5820 memset(&cfg, 0 , sizeof(CONFIGPARMS));
5821 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5822 rc = 0;
5823
5824 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE1_PAGEVERSION;
5825 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
5826 hdr.PageNumber = 1;
5827 cfg.cfghdr.hdr = &hdr;
5828 cfg.physAddr = -1;
5829 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5830
5831 if (mpt_config(ioc, &cfg) != 0) {
5832 rc = -EFAULT;
5833 goto out;
5834 }
5835
5836 if (!hdr.PageLength) {
5837 rc = -EFAULT;
5838 goto out;
5839 }
5840
5841 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5842 &dma_handle);
5843
5844 if (!buffer) {
5845 rc = -ENOMEM;
5846 goto out;
5847 }
5848
5849 cfg.physAddr = dma_handle;
5850 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5851 cfg.pageAddr = phys_disk_num;
5852
5853 if (mpt_config(ioc, &cfg) != 0) {
5854 rc = -EFAULT;
5855 goto out;
5856 }
5857
5858 phys_disk->NumPhysDiskPaths = buffer->NumPhysDiskPaths;
5859 phys_disk->PhysDiskNum = phys_disk_num;
5860 for (i = 0; i < phys_disk->NumPhysDiskPaths; i++) {
5861 phys_disk->Path[i].PhysDiskID = buffer->Path[i].PhysDiskID;
5862 phys_disk->Path[i].PhysDiskBus = buffer->Path[i].PhysDiskBus;
5863 phys_disk->Path[i].OwnerIdentifier =
5864 buffer->Path[i].OwnerIdentifier;
5865 phys_disk->Path[i].Flags = le16_to_cpu(buffer->Path[i].Flags);
5866 memcpy(&sas_address, &buffer->Path[i].WWID, sizeof(__le64));
5867 sas_address = le64_to_cpu(sas_address);
5868 memcpy(&phys_disk->Path[i].WWID, &sas_address, sizeof(__le64));
5869 memcpy(&sas_address,
5870 &buffer->Path[i].OwnerWWID, sizeof(__le64));
5871 sas_address = le64_to_cpu(sas_address);
5872 memcpy(&phys_disk->Path[i].OwnerWWID,
5873 &sas_address, sizeof(__le64));
5874 }
5875
5876 out:
5877
5878 if (buffer)
5879 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5880 dma_handle);
5881
5882 return rc;
5883}
5884EXPORT_SYMBOL(mpt_raid_phys_disk_pg1);
5885
5886
5887/**
5888 * mpt_findImVolumes - Identify IDs of hidden disks and RAID Volumes
5889 * @ioc: Pointer to a Adapter Strucutre
5890 *
5891 * Return:
5892 * 0 on success
5893 * -EFAULT if read of config page header fails or data pointer not NULL
5894 * -ENOMEM if pci_alloc failed
5895 **/
5896int
5897mpt_findImVolumes(MPT_ADAPTER *ioc)
5898{
5899 IOCPage2_t *pIoc2;
5900 u8 *mem;
5901 dma_addr_t ioc2_dma;
5902 CONFIGPARMS cfg;
5903 ConfigPageHeader_t header;
5904 int rc = 0;
5905 int iocpage2sz;
5906 int i;
5907
5908 if (!ioc->ir_firmware)
5909 return 0;
5910
5911 /* Free the old page
5912 */
5913 kfree(ioc->raid_data.pIocPg2);
5914 ioc->raid_data.pIocPg2 = NULL;
5915 mpt_inactive_raid_list_free(ioc);
5916
5917 /* Read IOCP2 header then the page.
5918 */
5919 header.PageVersion = 0;
5920 header.PageLength = 0;
5921 header.PageNumber = 2;
5922 header.PageType = MPI_CONFIG_PAGETYPE_IOC;
5923 cfg.cfghdr.hdr = &header;
5924 cfg.physAddr = -1;
5925 cfg.pageAddr = 0;
5926 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5927 cfg.dir = 0;
5928 cfg.timeout = 0;
5929 if (mpt_config(ioc, &cfg) != 0)
5930 return -EFAULT;
5931
5932 if (header.PageLength == 0)
5933 return -EFAULT;
5934
5935 iocpage2sz = header.PageLength * 4;
5936 pIoc2 = pci_alloc_consistent(ioc->pcidev, iocpage2sz, &ioc2_dma);
5937 if (!pIoc2)
5938 return -ENOMEM;
5939
5940 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5941 cfg.physAddr = ioc2_dma;
5942 if (mpt_config(ioc, &cfg) != 0)
5943 goto out;
5944
5945 mem = kmalloc(iocpage2sz, GFP_KERNEL);
5946 if (!mem) {
5947 rc = -ENOMEM;
5948 goto out;
5949 }
5950
5951 memcpy(mem, (u8 *)pIoc2, iocpage2sz);
5952 ioc->raid_data.pIocPg2 = (IOCPage2_t *) mem;
5953
5954 mpt_read_ioc_pg_3(ioc);
5955
5956 for (i = 0; i < pIoc2->NumActiveVolumes ; i++)
5957 mpt_inactive_raid_volumes(ioc,
5958 pIoc2->RaidVolume[i].VolumeBus,
5959 pIoc2->RaidVolume[i].VolumeID);
5960
5961 out:
5962 pci_free_consistent(ioc->pcidev, iocpage2sz, pIoc2, ioc2_dma);
5963
5964 return rc;
5965}
5966
5967static int
5968mpt_read_ioc_pg_3(MPT_ADAPTER *ioc)
5969{
5970 IOCPage3_t *pIoc3;
5971 u8 *mem;
5972 CONFIGPARMS cfg;
5973 ConfigPageHeader_t header;
5974 dma_addr_t ioc3_dma;
5975 int iocpage3sz = 0;
5976
5977 /* Free the old page
5978 */
5979 kfree(ioc->raid_data.pIocPg3);
5980 ioc->raid_data.pIocPg3 = NULL;
5981
5982 /* There is at least one physical disk.
5983 * Read and save IOC Page 3
5984 */
5985 header.PageVersion = 0;
5986 header.PageLength = 0;
5987 header.PageNumber = 3;
5988 header.PageType = MPI_CONFIG_PAGETYPE_IOC;
5989 cfg.cfghdr.hdr = &header;
5990 cfg.physAddr = -1;
5991 cfg.pageAddr = 0;
5992 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5993 cfg.dir = 0;
5994 cfg.timeout = 0;
5995 if (mpt_config(ioc, &cfg) != 0)
5996 return 0;
5997
5998 if (header.PageLength == 0)
5999 return 0;
6000
6001 /* Read Header good, alloc memory
6002 */
6003 iocpage3sz = header.PageLength * 4;
6004 pIoc3 = pci_alloc_consistent(ioc->pcidev, iocpage3sz, &ioc3_dma);
6005 if (!pIoc3)
6006 return 0;
6007
6008 /* Read the Page and save the data
6009 * into malloc'd memory.
6010 */
6011 cfg.physAddr = ioc3_dma;
6012 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6013 if (mpt_config(ioc, &cfg) == 0) {
6014 mem = kmalloc(iocpage3sz, GFP_KERNEL);
6015 if (mem) {
6016 memcpy(mem, (u8 *)pIoc3, iocpage3sz);
6017 ioc->raid_data.pIocPg3 = (IOCPage3_t *) mem;
6018 }
6019 }
6020
6021 pci_free_consistent(ioc->pcidev, iocpage3sz, pIoc3, ioc3_dma);
6022
6023 return 0;
6024}
6025
6026static void
6027mpt_read_ioc_pg_4(MPT_ADAPTER *ioc)
6028{
6029 IOCPage4_t *pIoc4;
6030 CONFIGPARMS cfg;
6031 ConfigPageHeader_t header;
6032 dma_addr_t ioc4_dma;
6033 int iocpage4sz;
6034
6035 /* Read and save IOC Page 4
6036 */
6037 header.PageVersion = 0;
6038 header.PageLength = 0;
6039 header.PageNumber = 4;
6040 header.PageType = MPI_CONFIG_PAGETYPE_IOC;
6041 cfg.cfghdr.hdr = &header;
6042 cfg.physAddr = -1;
6043 cfg.pageAddr = 0;
6044 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
6045 cfg.dir = 0;
6046 cfg.timeout = 0;
6047 if (mpt_config(ioc, &cfg) != 0)
6048 return;
6049
6050 if (header.PageLength == 0)
6051 return;
6052
6053 if ( (pIoc4 = ioc->spi_data.pIocPg4) == NULL ) {
6054 iocpage4sz = (header.PageLength + 4) * 4; /* Allow 4 additional SEP's */
6055 pIoc4 = pci_alloc_consistent(ioc->pcidev, iocpage4sz, &ioc4_dma);
6056 if (!pIoc4)
6057 return;
6058 ioc->alloc_total += iocpage4sz;
6059 } else {
6060 ioc4_dma = ioc->spi_data.IocPg4_dma;
6061 iocpage4sz = ioc->spi_data.IocPg4Sz;
6062 }
6063
6064 /* Read the Page into dma memory.
6065 */
6066 cfg.physAddr = ioc4_dma;
6067 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6068 if (mpt_config(ioc, &cfg) == 0) {
6069 ioc->spi_data.pIocPg4 = (IOCPage4_t *) pIoc4;
6070 ioc->spi_data.IocPg4_dma = ioc4_dma;
6071 ioc->spi_data.IocPg4Sz = iocpage4sz;
6072 } else {
6073 pci_free_consistent(ioc->pcidev, iocpage4sz, pIoc4, ioc4_dma);
6074 ioc->spi_data.pIocPg4 = NULL;
6075 ioc->alloc_total -= iocpage4sz;
6076 }
6077}
6078
6079static void
6080mpt_read_ioc_pg_1(MPT_ADAPTER *ioc)
6081{
6082 IOCPage1_t *pIoc1;
6083 CONFIGPARMS cfg;
6084 ConfigPageHeader_t header;
6085 dma_addr_t ioc1_dma;
6086 int iocpage1sz = 0;
6087 u32 tmp;
6088
6089 /* Check the Coalescing Timeout in IOC Page 1
6090 */
6091 header.PageVersion = 0;
6092 header.PageLength = 0;
6093 header.PageNumber = 1;
6094 header.PageType = MPI_CONFIG_PAGETYPE_IOC;
6095 cfg.cfghdr.hdr = &header;
6096 cfg.physAddr = -1;
6097 cfg.pageAddr = 0;
6098 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
6099 cfg.dir = 0;
6100 cfg.timeout = 0;
6101 if (mpt_config(ioc, &cfg) != 0)
6102 return;
6103
6104 if (header.PageLength == 0)
6105 return;
6106
6107 /* Read Header good, alloc memory
6108 */
6109 iocpage1sz = header.PageLength * 4;
6110 pIoc1 = pci_alloc_consistent(ioc->pcidev, iocpage1sz, &ioc1_dma);
6111 if (!pIoc1)
6112 return;
6113
6114 /* Read the Page and check coalescing timeout
6115 */
6116 cfg.physAddr = ioc1_dma;
6117 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6118 if (mpt_config(ioc, &cfg) == 0) {
6119
6120 tmp = le32_to_cpu(pIoc1->Flags) & MPI_IOCPAGE1_REPLY_COALESCING;
6121 if (tmp == MPI_IOCPAGE1_REPLY_COALESCING) {
6122 tmp = le32_to_cpu(pIoc1->CoalescingTimeout);
6123
6124 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Coalescing Enabled Timeout = %d\n",
6125 ioc->name, tmp));
6126
6127 if (tmp > MPT_COALESCING_TIMEOUT) {
6128 pIoc1->CoalescingTimeout = cpu_to_le32(MPT_COALESCING_TIMEOUT);
6129
6130 /* Write NVRAM and current
6131 */
6132 cfg.dir = 1;
6133 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
6134 if (mpt_config(ioc, &cfg) == 0) {
6135 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Reset Current Coalescing Timeout to = %d\n",
6136 ioc->name, MPT_COALESCING_TIMEOUT));
6137
6138 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM;
6139 if (mpt_config(ioc, &cfg) == 0) {
6140 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6141 "Reset NVRAM Coalescing Timeout to = %d\n",
6142 ioc->name, MPT_COALESCING_TIMEOUT));
6143 } else {
6144 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6145 "Reset NVRAM Coalescing Timeout Failed\n",
6146 ioc->name));
6147 }
6148
6149 } else {
6150 dprintk(ioc, printk(MYIOC_s_WARN_FMT
6151 "Reset of Current Coalescing Timeout Failed!\n",
6152 ioc->name));
6153 }
6154 }
6155
6156 } else {
6157 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Coalescing Disabled\n", ioc->name));
6158 }
6159 }
6160
6161 pci_free_consistent(ioc->pcidev, iocpage1sz, pIoc1, ioc1_dma);
6162
6163 return;
6164}
6165
6166static void
6167mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc)
6168{
6169 CONFIGPARMS cfg;
6170 ConfigPageHeader_t hdr;
6171 dma_addr_t buf_dma;
6172 ManufacturingPage0_t *pbuf = NULL;
6173
6174 memset(&cfg, 0 , sizeof(CONFIGPARMS));
6175 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
6176
6177 hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING;
6178 cfg.cfghdr.hdr = &hdr;
6179 cfg.physAddr = -1;
6180 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
6181 cfg.timeout = 10;
6182
6183 if (mpt_config(ioc, &cfg) != 0)
6184 goto out;
6185
6186 if (!cfg.cfghdr.hdr->PageLength)
6187 goto out;
6188
6189 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6190 pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma);
6191 if (!pbuf)
6192 goto out;
6193
6194 cfg.physAddr = buf_dma;
6195
6196 if (mpt_config(ioc, &cfg) != 0)
6197 goto out;
6198
6199 memcpy(ioc->board_name, pbuf->BoardName, sizeof(ioc->board_name));
6200 memcpy(ioc->board_assembly, pbuf->BoardAssembly, sizeof(ioc->board_assembly));
6201 memcpy(ioc->board_tracer, pbuf->BoardTracerNumber, sizeof(ioc->board_tracer));
6202
6203 out:
6204
6205 if (pbuf)
6206 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma);
6207}
6208
6209/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6210/**
6211 * SendEventNotification - Send EventNotification (on or off) request to adapter
6212 * @ioc: Pointer to MPT_ADAPTER structure
6213 * @EvSwitch: Event switch flags
6214 * @sleepFlag: Specifies whether the process can sleep
6215 */
6216static int
6217SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch, int sleepFlag)
6218{
6219 EventNotification_t evn;
6220 MPIDefaultReply_t reply_buf;
6221
6222 memset(&evn, 0, sizeof(EventNotification_t));
6223 memset(&reply_buf, 0, sizeof(MPIDefaultReply_t));
6224
6225 evn.Function = MPI_FUNCTION_EVENT_NOTIFICATION;
6226 evn.Switch = EvSwitch;
6227 evn.MsgContext = cpu_to_le32(mpt_base_index << 16);
6228
6229 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6230 "Sending EventNotification (%d) request %p\n",
6231 ioc->name, EvSwitch, &evn));
6232
6233 return mpt_handshake_req_reply_wait(ioc, sizeof(EventNotification_t),
6234 (u32 *)&evn, sizeof(MPIDefaultReply_t), (u16 *)&reply_buf, 30,
6235 sleepFlag);
6236}
6237
6238/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6239/**
6240 * SendEventAck - Send EventAck request to MPT adapter.
6241 * @ioc: Pointer to MPT_ADAPTER structure
6242 * @evnp: Pointer to original EventNotification request
6243 */
6244static int
6245SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp)
6246{
6247 EventAck_t *pAck;
6248
6249 if ((pAck = (EventAck_t *) mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
6250 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s, no msg frames!!\n",
6251 ioc->name, __func__));
6252 return -1;
6253 }
6254
6255 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending EventAck\n", ioc->name));
6256
6257 pAck->Function = MPI_FUNCTION_EVENT_ACK;
6258 pAck->ChainOffset = 0;
6259 pAck->Reserved[0] = pAck->Reserved[1] = 0;
6260 pAck->MsgFlags = 0;
6261 pAck->Reserved1[0] = pAck->Reserved1[1] = pAck->Reserved1[2] = 0;
6262 pAck->Event = evnp->Event;
6263 pAck->EventContext = evnp->EventContext;
6264
6265 mpt_put_msg_frame(mpt_base_index, ioc, (MPT_FRAME_HDR *)pAck);
6266
6267 return 0;
6268}
6269
6270/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6271/**
6272 * mpt_config - Generic function to issue config message
6273 * @ioc: Pointer to an adapter structure
6274 * @pCfg: Pointer to a configuration structure. Struct contains
6275 * action, page address, direction, physical address
6276 * and pointer to a configuration page header
6277 * Page header is updated.
6278 *
6279 * Returns 0 for success
6280 * -EPERM if not allowed due to ISR context
6281 * -EAGAIN if no msg frames currently available
6282 * -EFAULT for non-successful reply or no reply (timeout)
6283 */
6284int
6285mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
6286{
6287 Config_t *pReq;
6288 ConfigReply_t *pReply;
6289 ConfigExtendedPageHeader_t *pExtHdr = NULL;
6290 MPT_FRAME_HDR *mf;
6291 int ii;
6292 int flagsLength;
6293 long timeout;
6294 int ret;
6295 u8 page_type = 0, extend_page;
6296 unsigned long timeleft;
6297 unsigned long flags;
6298 int in_isr;
6299 u8 issue_hard_reset = 0;
6300 u8 retry_count = 0;
6301
6302 /* Prevent calling wait_event() (below), if caller happens
6303 * to be in ISR context, because that is fatal!
6304 */
6305 in_isr = in_interrupt();
6306 if (in_isr) {
6307 dcprintk(ioc, printk(MYIOC_s_WARN_FMT "Config request not allowed in ISR context!\n",
6308 ioc->name));
6309 return -EPERM;
6310 }
6311
6312 /* don't send a config page during diag reset */
6313 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6314 if (ioc->ioc_reset_in_progress) {
6315 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6316 "%s: busy with host reset\n", ioc->name, __func__));
6317 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6318 return -EBUSY;
6319 }
6320 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6321
6322 /* don't send if no chance of success */
6323 if (!ioc->active ||
6324 mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_OPERATIONAL) {
6325 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6326 "%s: ioc not operational, %d, %xh\n",
6327 ioc->name, __func__, ioc->active,
6328 mpt_GetIocState(ioc, 0)));
6329 return -EFAULT;
6330 }
6331
6332 retry_config:
6333 mutex_lock(&ioc->mptbase_cmds.mutex);
6334 /* init the internal cmd struct */
6335 memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE);
6336 INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status)
6337
6338 /* Get and Populate a free Frame
6339 */
6340 if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
6341 dcprintk(ioc, printk(MYIOC_s_WARN_FMT
6342 "mpt_config: no msg frames!\n", ioc->name));
6343 ret = -EAGAIN;
6344 goto out;
6345 }
6346
6347 pReq = (Config_t *)mf;
6348 pReq->Action = pCfg->action;
6349 pReq->Reserved = 0;
6350 pReq->ChainOffset = 0;
6351 pReq->Function = MPI_FUNCTION_CONFIG;
6352
6353 /* Assume page type is not extended and clear "reserved" fields. */
6354 pReq->ExtPageLength = 0;
6355 pReq->ExtPageType = 0;
6356 pReq->MsgFlags = 0;
6357
6358 for (ii=0; ii < 8; ii++)
6359 pReq->Reserved2[ii] = 0;
6360
6361 pReq->Header.PageVersion = pCfg->cfghdr.hdr->PageVersion;
6362 pReq->Header.PageLength = pCfg->cfghdr.hdr->PageLength;
6363 pReq->Header.PageNumber = pCfg->cfghdr.hdr->PageNumber;
6364 pReq->Header.PageType = (pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK);
6365
6366 if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) == MPI_CONFIG_PAGETYPE_EXTENDED) {
6367 pExtHdr = (ConfigExtendedPageHeader_t *)pCfg->cfghdr.ehdr;
6368 pReq->ExtPageLength = cpu_to_le16(pExtHdr->ExtPageLength);
6369 pReq->ExtPageType = pExtHdr->ExtPageType;
6370 pReq->Header.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
6371
6372 /* Page Length must be treated as a reserved field for the
6373 * extended header.
6374 */
6375 pReq->Header.PageLength = 0;
6376 }
6377
6378 pReq->PageAddress = cpu_to_le32(pCfg->pageAddr);
6379
6380 /* Add a SGE to the config request.
6381 */
6382 if (pCfg->dir)
6383 flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE;
6384 else
6385 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ;
6386
6387 if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) ==
6388 MPI_CONFIG_PAGETYPE_EXTENDED) {
6389 flagsLength |= pExtHdr->ExtPageLength * 4;
6390 page_type = pReq->ExtPageType;
6391 extend_page = 1;
6392 } else {
6393 flagsLength |= pCfg->cfghdr.hdr->PageLength * 4;
6394 page_type = pReq->Header.PageType;
6395 extend_page = 0;
6396 }
6397
6398 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6399 "Sending Config request type 0x%x, page 0x%x and action %d\n",
6400 ioc->name, page_type, pReq->Header.PageNumber, pReq->Action));
6401
6402 ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, pCfg->physAddr);
6403 timeout = (pCfg->timeout < 15) ? HZ*15 : HZ*pCfg->timeout;
6404 mpt_put_msg_frame(mpt_base_index, ioc, mf);
6405 timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done,
6406 timeout);
6407 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
6408 ret = -ETIME;
6409 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6410 "Failed Sending Config request type 0x%x, page 0x%x,"
6411 " action %d, status %xh, time left %ld\n\n",
6412 ioc->name, page_type, pReq->Header.PageNumber,
6413 pReq->Action, ioc->mptbase_cmds.status, timeleft));
6414 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
6415 goto out;
6416 if (!timeleft)
6417 issue_hard_reset = 1;
6418 goto out;
6419 }
6420
6421 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
6422 ret = -1;
6423 goto out;
6424 }
6425 pReply = (ConfigReply_t *)ioc->mptbase_cmds.reply;
6426 ret = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
6427 if (ret == MPI_IOCSTATUS_SUCCESS) {
6428 if (extend_page) {
6429 pCfg->cfghdr.ehdr->ExtPageLength =
6430 le16_to_cpu(pReply->ExtPageLength);
6431 pCfg->cfghdr.ehdr->ExtPageType =
6432 pReply->ExtPageType;
6433 }
6434 pCfg->cfghdr.hdr->PageVersion = pReply->Header.PageVersion;
6435 pCfg->cfghdr.hdr->PageLength = pReply->Header.PageLength;
6436 pCfg->cfghdr.hdr->PageNumber = pReply->Header.PageNumber;
6437 pCfg->cfghdr.hdr->PageType = pReply->Header.PageType;
6438
6439 }
6440
6441 if (retry_count)
6442 printk(MYIOC_s_INFO_FMT "Retry completed "
6443 "ret=0x%x timeleft=%ld\n",
6444 ioc->name, ret, timeleft);
6445
6446 dcprintk(ioc, printk(KERN_DEBUG "IOCStatus=%04xh, IOCLogInfo=%08xh\n",
6447 ret, le32_to_cpu(pReply->IOCLogInfo)));
6448
6449out:
6450
6451 CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status)
6452 mutex_unlock(&ioc->mptbase_cmds.mutex);
6453 if (issue_hard_reset) {
6454 issue_hard_reset = 0;
6455 printk(MYIOC_s_WARN_FMT
6456 "Issuing Reset from %s!!, doorbell=0x%08x\n",
6457 ioc->name, __func__, mpt_GetIocState(ioc, 0));
6458 if (retry_count == 0) {
6459 if (mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP) != 0)
6460 retry_count++;
6461 } else
6462 mpt_HardResetHandler(ioc, CAN_SLEEP);
6463
6464 mpt_free_msg_frame(ioc, mf);
6465 /* attempt one retry for a timed out command */
6466 if (retry_count < 2) {
6467 printk(MYIOC_s_INFO_FMT
6468 "Attempting Retry Config request"
6469 " type 0x%x, page 0x%x,"
6470 " action %d\n", ioc->name, page_type,
6471 pCfg->cfghdr.hdr->PageNumber, pCfg->action);
6472 retry_count++;
6473 goto retry_config;
6474 }
6475 }
6476 return ret;
6477
6478}
6479
6480/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6481/**
6482 * mpt_ioc_reset - Base cleanup for hard reset
6483 * @ioc: Pointer to the adapter structure
6484 * @reset_phase: Indicates pre- or post-reset functionality
6485 *
6486 * Remark: Frees resources with internally generated commands.
6487 */
6488static int
6489mpt_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
6490{
6491 switch (reset_phase) {
6492 case MPT_IOC_SETUP_RESET:
6493 ioc->taskmgmt_quiesce_io = 1;
6494 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6495 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
6496 break;
6497 case MPT_IOC_PRE_RESET:
6498 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6499 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
6500 break;
6501 case MPT_IOC_POST_RESET:
6502 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6503 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
6504/* wake up mptbase_cmds */
6505 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) {
6506 ioc->mptbase_cmds.status |=
6507 MPT_MGMT_STATUS_DID_IOCRESET;
6508 complete(&ioc->mptbase_cmds.done);
6509 }
6510/* wake up taskmgmt_cmds */
6511 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
6512 ioc->taskmgmt_cmds.status |=
6513 MPT_MGMT_STATUS_DID_IOCRESET;
6514 complete(&ioc->taskmgmt_cmds.done);
6515 }
6516 break;
6517 default:
6518 break;
6519 }
6520
6521 return 1; /* currently means nothing really */
6522}
6523
6524
6525#ifdef CONFIG_PROC_FS /* { */
6526/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6527/*
6528 * procfs (%MPT_PROCFS_MPTBASEDIR/...) support stuff...
6529 */
6530/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6531/**
6532 * procmpt_create - Create %MPT_PROCFS_MPTBASEDIR entries.
6533 *
6534 * Returns 0 for success, non-zero for failure.
6535 */
6536static int
6537procmpt_create(void)
6538{
6539 mpt_proc_root_dir = proc_mkdir(MPT_PROCFS_MPTBASEDIR, NULL);
6540 if (mpt_proc_root_dir == NULL)
6541 return -ENOTDIR;
6542
6543 proc_create("summary", S_IRUGO, mpt_proc_root_dir, &mpt_summary_proc_fops);
6544 proc_create("version", S_IRUGO, mpt_proc_root_dir, &mpt_version_proc_fops);
6545 return 0;
6546}
6547
6548/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6549/**
6550 * procmpt_destroy - Tear down %MPT_PROCFS_MPTBASEDIR entries.
6551 *
6552 * Returns 0 for success, non-zero for failure.
6553 */
6554static void
6555procmpt_destroy(void)
6556{
6557 remove_proc_entry("version", mpt_proc_root_dir);
6558 remove_proc_entry("summary", mpt_proc_root_dir);
6559 remove_proc_entry(MPT_PROCFS_MPTBASEDIR, NULL);
6560}
6561
6562/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6563/*
6564 * Handles read request from /proc/mpt/summary or /proc/mpt/iocN/summary.
6565 */
6566static void seq_mpt_print_ioc_summary(MPT_ADAPTER *ioc, struct seq_file *m, int showlan);
6567
6568static int mpt_summary_proc_show(struct seq_file *m, void *v)
6569{
6570 MPT_ADAPTER *ioc = m->private;
6571
6572 if (ioc) {
6573 seq_mpt_print_ioc_summary(ioc, m, 1);
6574 } else {
6575 list_for_each_entry(ioc, &ioc_list, list) {
6576 seq_mpt_print_ioc_summary(ioc, m, 1);
6577 }
6578 }
6579
6580 return 0;
6581}
6582
6583static int mpt_summary_proc_open(struct inode *inode, struct file *file)
6584{
6585 return single_open(file, mpt_summary_proc_show, PDE(inode)->data);
6586}
6587
6588static const struct file_operations mpt_summary_proc_fops = {
6589 .owner = THIS_MODULE,
6590 .open = mpt_summary_proc_open,
6591 .read = seq_read,
6592 .llseek = seq_lseek,
6593 .release = single_release,
6594};
6595
6596static int mpt_version_proc_show(struct seq_file *m, void *v)
6597{
6598 u8 cb_idx;
6599 int scsi, fc, sas, lan, ctl, targ, dmp;
6600 char *drvname;
6601
6602 seq_printf(m, "%s-%s\n", "mptlinux", MPT_LINUX_VERSION_COMMON);
6603 seq_printf(m, " Fusion MPT base driver\n");
6604
6605 scsi = fc = sas = lan = ctl = targ = dmp = 0;
6606 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
6607 drvname = NULL;
6608 if (MptCallbacks[cb_idx]) {
6609 switch (MptDriverClass[cb_idx]) {
6610 case MPTSPI_DRIVER:
6611 if (!scsi++) drvname = "SPI host";
6612 break;
6613 case MPTFC_DRIVER:
6614 if (!fc++) drvname = "FC host";
6615 break;
6616 case MPTSAS_DRIVER:
6617 if (!sas++) drvname = "SAS host";
6618 break;
6619 case MPTLAN_DRIVER:
6620 if (!lan++) drvname = "LAN";
6621 break;
6622 case MPTSTM_DRIVER:
6623 if (!targ++) drvname = "SCSI target";
6624 break;
6625 case MPTCTL_DRIVER:
6626 if (!ctl++) drvname = "ioctl";
6627 break;
6628 }
6629
6630 if (drvname)
6631 seq_printf(m, " Fusion MPT %s driver\n", drvname);
6632 }
6633 }
6634
6635 return 0;
6636}
6637
6638static int mpt_version_proc_open(struct inode *inode, struct file *file)
6639{
6640 return single_open(file, mpt_version_proc_show, NULL);
6641}
6642
6643static const struct file_operations mpt_version_proc_fops = {
6644 .owner = THIS_MODULE,
6645 .open = mpt_version_proc_open,
6646 .read = seq_read,
6647 .llseek = seq_lseek,
6648 .release = single_release,
6649};
6650
6651static int mpt_iocinfo_proc_show(struct seq_file *m, void *v)
6652{
6653 MPT_ADAPTER *ioc = m->private;
6654 char expVer[32];
6655 int sz;
6656 int p;
6657
6658 mpt_get_fw_exp_ver(expVer, ioc);
6659
6660 seq_printf(m, "%s:", ioc->name);
6661 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)
6662 seq_printf(m, " (f/w download boot flag set)");
6663// if (ioc->facts.IOCExceptions & MPI_IOCFACTS_EXCEPT_CONFIG_CHECKSUM_FAIL)
6664// seq_printf(m, " CONFIG_CHECKSUM_FAIL!");
6665
6666 seq_printf(m, "\n ProductID = 0x%04x (%s)\n",
6667 ioc->facts.ProductID,
6668 ioc->prod_name);
6669 seq_printf(m, " FWVersion = 0x%08x%s", ioc->facts.FWVersion.Word, expVer);
6670 if (ioc->facts.FWImageSize)
6671 seq_printf(m, " (fw_size=%d)", ioc->facts.FWImageSize);
6672 seq_printf(m, "\n MsgVersion = 0x%04x\n", ioc->facts.MsgVersion);
6673 seq_printf(m, " FirstWhoInit = 0x%02x\n", ioc->FirstWhoInit);
6674 seq_printf(m, " EventState = 0x%02x\n", ioc->facts.EventState);
6675
6676 seq_printf(m, " CurrentHostMfaHighAddr = 0x%08x\n",
6677 ioc->facts.CurrentHostMfaHighAddr);
6678 seq_printf(m, " CurrentSenseBufferHighAddr = 0x%08x\n",
6679 ioc->facts.CurrentSenseBufferHighAddr);
6680
6681 seq_printf(m, " MaxChainDepth = 0x%02x frames\n", ioc->facts.MaxChainDepth);
6682 seq_printf(m, " MinBlockSize = 0x%02x bytes\n", 4*ioc->facts.BlockSize);
6683
6684 seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n",
6685 (void *)ioc->req_frames, (void *)(ulong)ioc->req_frames_dma);
6686 /*
6687 * Rounding UP to nearest 4-kB boundary here...
6688 */
6689 sz = (ioc->req_sz * ioc->req_depth) + 128;
6690 sz = ((sz + 0x1000UL - 1UL) / 0x1000) * 0x1000;
6691 seq_printf(m, " {CurReqSz=%d} x {CurReqDepth=%d} = %d bytes ^= 0x%x\n",
6692 ioc->req_sz, ioc->req_depth, ioc->req_sz*ioc->req_depth, sz);
6693 seq_printf(m, " {MaxReqSz=%d} {MaxReqDepth=%d}\n",
6694 4*ioc->facts.RequestFrameSize,
6695 ioc->facts.GlobalCredits);
6696
6697 seq_printf(m, " Frames @ 0x%p (Dma @ 0x%p)\n",
6698 (void *)ioc->alloc, (void *)(ulong)ioc->alloc_dma);
6699 sz = (ioc->reply_sz * ioc->reply_depth) + 128;
6700 seq_printf(m, " {CurRepSz=%d} x {CurRepDepth=%d} = %d bytes ^= 0x%x\n",
6701 ioc->reply_sz, ioc->reply_depth, ioc->reply_sz*ioc->reply_depth, sz);
6702 seq_printf(m, " {MaxRepSz=%d} {MaxRepDepth=%d}\n",
6703 ioc->facts.CurReplyFrameSize,
6704 ioc->facts.ReplyQueueDepth);
6705
6706 seq_printf(m, " MaxDevices = %d\n",
6707 (ioc->facts.MaxDevices==0) ? 255 : ioc->facts.MaxDevices);
6708 seq_printf(m, " MaxBuses = %d\n", ioc->facts.MaxBuses);
6709
6710 /* per-port info */
6711 for (p=0; p < ioc->facts.NumberOfPorts; p++) {
6712 seq_printf(m, " PortNumber = %d (of %d)\n",
6713 p+1,
6714 ioc->facts.NumberOfPorts);
6715 if (ioc->bus_type == FC) {
6716 if (ioc->pfacts[p].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) {
6717 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
6718 seq_printf(m, " LanAddr = %02X:%02X:%02X:%02X:%02X:%02X\n",
6719 a[5], a[4], a[3], a[2], a[1], a[0]);
6720 }
6721 seq_printf(m, " WWN = %08X%08X:%08X%08X\n",
6722 ioc->fc_port_page0[p].WWNN.High,
6723 ioc->fc_port_page0[p].WWNN.Low,
6724 ioc->fc_port_page0[p].WWPN.High,
6725 ioc->fc_port_page0[p].WWPN.Low);
6726 }
6727 }
6728
6729 return 0;
6730}
6731
6732static int mpt_iocinfo_proc_open(struct inode *inode, struct file *file)
6733{
6734 return single_open(file, mpt_iocinfo_proc_show, PDE(inode)->data);
6735}
6736
6737static const struct file_operations mpt_iocinfo_proc_fops = {
6738 .owner = THIS_MODULE,
6739 .open = mpt_iocinfo_proc_open,
6740 .read = seq_read,
6741 .llseek = seq_lseek,
6742 .release = single_release,
6743};
6744#endif /* CONFIG_PROC_FS } */
6745
6746/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6747static void
6748mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc)
6749{
6750 buf[0] ='\0';
6751 if ((ioc->facts.FWVersion.Word >> 24) == 0x0E) {
6752 sprintf(buf, " (Exp %02d%02d)",
6753 (ioc->facts.FWVersion.Word >> 16) & 0x00FF, /* Month */
6754 (ioc->facts.FWVersion.Word >> 8) & 0x1F); /* Day */
6755
6756 /* insider hack! */
6757 if ((ioc->facts.FWVersion.Word >> 8) & 0x80)
6758 strcat(buf, " [MDBG]");
6759 }
6760}
6761
6762/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6763/**
6764 * mpt_print_ioc_summary - Write ASCII summary of IOC to a buffer.
6765 * @ioc: Pointer to MPT_ADAPTER structure
6766 * @buffer: Pointer to buffer where IOC summary info should be written
6767 * @size: Pointer to number of bytes we wrote (set by this routine)
6768 * @len: Offset at which to start writing in buffer
6769 * @showlan: Display LAN stuff?
6770 *
6771 * This routine writes (english readable) ASCII text, which represents
6772 * a summary of IOC information, to a buffer.
6773 */
6774void
6775mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buffer, int *size, int len, int showlan)
6776{
6777 char expVer[32];
6778 int y;
6779
6780 mpt_get_fw_exp_ver(expVer, ioc);
6781
6782 /*
6783 * Shorter summary of attached ioc's...
6784 */
6785 y = sprintf(buffer+len, "%s: %s, %s%08xh%s, Ports=%d, MaxQ=%d",
6786 ioc->name,
6787 ioc->prod_name,
6788 MPT_FW_REV_MAGIC_ID_STRING, /* "FwRev=" or somesuch */
6789 ioc->facts.FWVersion.Word,
6790 expVer,
6791 ioc->facts.NumberOfPorts,
6792 ioc->req_depth);
6793
6794 if (showlan && (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) {
6795 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
6796 y += sprintf(buffer+len+y, ", LanAddr=%02X:%02X:%02X:%02X:%02X:%02X",
6797 a[5], a[4], a[3], a[2], a[1], a[0]);
6798 }
6799
6800 y += sprintf(buffer+len+y, ", IRQ=%d", ioc->pci_irq);
6801
6802 if (!ioc->active)
6803 y += sprintf(buffer+len+y, " (disabled)");
6804
6805 y += sprintf(buffer+len+y, "\n");
6806
6807 *size = y;
6808}
6809
6810static void seq_mpt_print_ioc_summary(MPT_ADAPTER *ioc, struct seq_file *m, int showlan)
6811{
6812 char expVer[32];
6813
6814 mpt_get_fw_exp_ver(expVer, ioc);
6815
6816 /*
6817 * Shorter summary of attached ioc's...
6818 */
6819 seq_printf(m, "%s: %s, %s%08xh%s, Ports=%d, MaxQ=%d",
6820 ioc->name,
6821 ioc->prod_name,
6822 MPT_FW_REV_MAGIC_ID_STRING, /* "FwRev=" or somesuch */
6823 ioc->facts.FWVersion.Word,
6824 expVer,
6825 ioc->facts.NumberOfPorts,
6826 ioc->req_depth);
6827
6828 if (showlan && (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) {
6829 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
6830 seq_printf(m, ", LanAddr=%02X:%02X:%02X:%02X:%02X:%02X",
6831 a[5], a[4], a[3], a[2], a[1], a[0]);
6832 }
6833
6834 seq_printf(m, ", IRQ=%d", ioc->pci_irq);
6835
6836 if (!ioc->active)
6837 seq_printf(m, " (disabled)");
6838
6839 seq_putc(m, '\n');
6840}
6841
6842/**
6843 * mpt_set_taskmgmt_in_progress_flag - set flags associated with task management
6844 * @ioc: Pointer to MPT_ADAPTER structure
6845 *
6846 * Returns 0 for SUCCESS or -1 if FAILED.
6847 *
6848 * If -1 is return, then it was not possible to set the flags
6849 **/
6850int
6851mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc)
6852{
6853 unsigned long flags;
6854 int retval;
6855
6856 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6857 if (ioc->ioc_reset_in_progress || ioc->taskmgmt_in_progress ||
6858 (ioc->alt_ioc && ioc->alt_ioc->taskmgmt_in_progress)) {
6859 retval = -1;
6860 goto out;
6861 }
6862 retval = 0;
6863 ioc->taskmgmt_in_progress = 1;
6864 ioc->taskmgmt_quiesce_io = 1;
6865 if (ioc->alt_ioc) {
6866 ioc->alt_ioc->taskmgmt_in_progress = 1;
6867 ioc->alt_ioc->taskmgmt_quiesce_io = 1;
6868 }
6869 out:
6870 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6871 return retval;
6872}
6873EXPORT_SYMBOL(mpt_set_taskmgmt_in_progress_flag);
6874
6875/**
6876 * mpt_clear_taskmgmt_in_progress_flag - clear flags associated with task management
6877 * @ioc: Pointer to MPT_ADAPTER structure
6878 *
6879 **/
6880void
6881mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc)
6882{
6883 unsigned long flags;
6884
6885 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6886 ioc->taskmgmt_in_progress = 0;
6887 ioc->taskmgmt_quiesce_io = 0;
6888 if (ioc->alt_ioc) {
6889 ioc->alt_ioc->taskmgmt_in_progress = 0;
6890 ioc->alt_ioc->taskmgmt_quiesce_io = 0;
6891 }
6892 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6893}
6894EXPORT_SYMBOL(mpt_clear_taskmgmt_in_progress_flag);
6895
6896
6897/**
6898 * mpt_halt_firmware - Halts the firmware if it is operational and panic
6899 * the kernel
6900 * @ioc: Pointer to MPT_ADAPTER structure
6901 *
6902 **/
6903void
6904mpt_halt_firmware(MPT_ADAPTER *ioc)
6905{
6906 u32 ioc_raw_state;
6907
6908 ioc_raw_state = mpt_GetIocState(ioc, 0);
6909
6910 if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) {
6911 printk(MYIOC_s_ERR_FMT "IOC is in FAULT state (%04xh)!!!\n",
6912 ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK);
6913 panic("%s: IOC Fault (%04xh)!!!\n", ioc->name,
6914 ioc_raw_state & MPI_DOORBELL_DATA_MASK);
6915 } else {
6916 CHIPREG_WRITE32(&ioc->chip->Doorbell, 0xC0FFEE00);
6917 panic("%s: Firmware is halted due to command timeout\n",
6918 ioc->name);
6919 }
6920}
6921EXPORT_SYMBOL(mpt_halt_firmware);
6922
6923/**
6924 * mpt_SoftResetHandler - Issues a less expensive reset
6925 * @ioc: Pointer to MPT_ADAPTER structure
6926 * @sleepFlag: Indicates if sleep or schedule must be called.
6927 *
6928 * Returns 0 for SUCCESS or -1 if FAILED.
6929 *
6930 * Message Unit Reset - instructs the IOC to reset the Reply Post and
6931 * Free FIFO's. All the Message Frames on Reply Free FIFO are discarded.
6932 * All posted buffers are freed, and event notification is turned off.
6933 * IOC doesn't reply to any outstanding request. This will transfer IOC
6934 * to READY state.
6935 **/
6936int
6937mpt_SoftResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
6938{
6939 int rc;
6940 int ii;
6941 u8 cb_idx;
6942 unsigned long flags;
6943 u32 ioc_state;
6944 unsigned long time_count;
6945
6946 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SoftResetHandler Entered!\n",
6947 ioc->name));
6948
6949 ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK;
6950
6951 if (mpt_fwfault_debug)
6952 mpt_halt_firmware(ioc);
6953
6954 if (ioc_state == MPI_IOC_STATE_FAULT ||
6955 ioc_state == MPI_IOC_STATE_RESET) {
6956 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6957 "skipping, either in FAULT or RESET state!\n", ioc->name));
6958 return -1;
6959 }
6960
6961 if (ioc->bus_type == FC) {
6962 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6963 "skipping, because the bus type is FC!\n", ioc->name));
6964 return -1;
6965 }
6966
6967 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6968 if (ioc->ioc_reset_in_progress) {
6969 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6970 return -1;
6971 }
6972 ioc->ioc_reset_in_progress = 1;
6973 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6974
6975 rc = -1;
6976
6977 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
6978 if (MptResetHandlers[cb_idx])
6979 mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET);
6980 }
6981
6982 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6983 if (ioc->taskmgmt_in_progress) {
6984 ioc->ioc_reset_in_progress = 0;
6985 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6986 return -1;
6987 }
6988 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6989 /* Disable reply interrupts (also blocks FreeQ) */
6990 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
6991 ioc->active = 0;
6992 time_count = jiffies;
6993
6994 rc = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag);
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_PRE_RESET);
6999 }
7000
7001 if (rc)
7002 goto out;
7003
7004 ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK;
7005 if (ioc_state != MPI_IOC_STATE_READY)
7006 goto out;
7007
7008 for (ii = 0; ii < 5; ii++) {
7009 /* Get IOC facts! Allow 5 retries */
7010 rc = GetIocFacts(ioc, sleepFlag,
7011 MPT_HOSTEVENT_IOC_RECOVER);
7012 if (rc == 0)
7013 break;
7014 if (sleepFlag == CAN_SLEEP)
7015 msleep(100);
7016 else
7017 mdelay(100);
7018 }
7019 if (ii == 5)
7020 goto out;
7021
7022 rc = PrimeIocFifos(ioc);
7023 if (rc != 0)
7024 goto out;
7025
7026 rc = SendIocInit(ioc, sleepFlag);
7027 if (rc != 0)
7028 goto out;
7029
7030 rc = SendEventNotification(ioc, 1, sleepFlag);
7031 if (rc != 0)
7032 goto out;
7033
7034 if (ioc->hard_resets < -1)
7035 ioc->hard_resets++;
7036
7037 /*
7038 * At this point, we know soft reset succeeded.
7039 */
7040
7041 ioc->active = 1;
7042 CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
7043
7044 out:
7045 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
7046 ioc->ioc_reset_in_progress = 0;
7047 ioc->taskmgmt_quiesce_io = 0;
7048 ioc->taskmgmt_in_progress = 0;
7049 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7050
7051 if (ioc->active) { /* otherwise, hard reset coming */
7052 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7053 if (MptResetHandlers[cb_idx])
7054 mpt_signal_reset(cb_idx, ioc,
7055 MPT_IOC_POST_RESET);
7056 }
7057 }
7058
7059 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7060 "SoftResetHandler: completed (%d seconds): %s\n",
7061 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000,
7062 ((rc == 0) ? "SUCCESS" : "FAILED")));
7063
7064 return rc;
7065}
7066
7067/**
7068 * mpt_Soft_Hard_ResetHandler - Try less expensive reset
7069 * @ioc: Pointer to MPT_ADAPTER structure
7070 * @sleepFlag: Indicates if sleep or schedule must be called.
7071 *
7072 * Returns 0 for SUCCESS or -1 if FAILED.
7073 * Try for softreset first, only if it fails go for expensive
7074 * HardReset.
7075 **/
7076int
7077mpt_Soft_Hard_ResetHandler(MPT_ADAPTER *ioc, int sleepFlag) {
7078 int ret = -1;
7079
7080 ret = mpt_SoftResetHandler(ioc, sleepFlag);
7081 if (ret == 0)
7082 return ret;
7083 ret = mpt_HardResetHandler(ioc, sleepFlag);
7084 return ret;
7085}
7086EXPORT_SYMBOL(mpt_Soft_Hard_ResetHandler);
7087
7088/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7089/*
7090 * Reset Handling
7091 */
7092/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7093/**
7094 * mpt_HardResetHandler - Generic reset handler
7095 * @ioc: Pointer to MPT_ADAPTER structure
7096 * @sleepFlag: Indicates if sleep or schedule must be called.
7097 *
7098 * Issues SCSI Task Management call based on input arg values.
7099 * If TaskMgmt fails, returns associated SCSI request.
7100 *
7101 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
7102 * or a non-interrupt thread. In the former, must not call schedule().
7103 *
7104 * Note: A return of -1 is a FATAL error case, as it means a
7105 * FW reload/initialization failed.
7106 *
7107 * Returns 0 for SUCCESS or -1 if FAILED.
7108 */
7109int
7110mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
7111{
7112 int rc;
7113 u8 cb_idx;
7114 unsigned long flags;
7115 unsigned long time_count;
7116
7117 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HardResetHandler Entered!\n", ioc->name));
7118#ifdef MFCNT
7119 printk(MYIOC_s_INFO_FMT "HardResetHandler Entered!\n", ioc->name);
7120 printk("MF count 0x%x !\n", ioc->mfcnt);
7121#endif
7122 if (mpt_fwfault_debug)
7123 mpt_halt_firmware(ioc);
7124
7125 /* Reset the adapter. Prevent more than 1 call to
7126 * mpt_do_ioc_recovery at any instant in time.
7127 */
7128 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
7129 if (ioc->ioc_reset_in_progress) {
7130 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7131 return 0;
7132 }
7133 ioc->ioc_reset_in_progress = 1;
7134 if (ioc->alt_ioc)
7135 ioc->alt_ioc->ioc_reset_in_progress = 1;
7136 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7137
7138
7139 /* The SCSI driver needs to adjust timeouts on all current
7140 * commands prior to the diagnostic reset being issued.
7141 * Prevents timeouts occurring during a diagnostic reset...very bad.
7142 * For all other protocol drivers, this is a no-op.
7143 */
7144 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7145 if (MptResetHandlers[cb_idx]) {
7146 mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET);
7147 if (ioc->alt_ioc)
7148 mpt_signal_reset(cb_idx, ioc->alt_ioc,
7149 MPT_IOC_SETUP_RESET);
7150 }
7151 }
7152
7153 time_count = jiffies;
7154 rc = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_RECOVER, sleepFlag);
7155 if (rc != 0) {
7156 printk(KERN_WARNING MYNAM
7157 ": WARNING - (%d) Cannot recover %s, doorbell=0x%08x\n",
7158 rc, ioc->name, mpt_GetIocState(ioc, 0));
7159 } else {
7160 if (ioc->hard_resets < -1)
7161 ioc->hard_resets++;
7162 }
7163
7164 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
7165 ioc->ioc_reset_in_progress = 0;
7166 ioc->taskmgmt_quiesce_io = 0;
7167 ioc->taskmgmt_in_progress = 0;
7168 if (ioc->alt_ioc) {
7169 ioc->alt_ioc->ioc_reset_in_progress = 0;
7170 ioc->alt_ioc->taskmgmt_quiesce_io = 0;
7171 ioc->alt_ioc->taskmgmt_in_progress = 0;
7172 }
7173 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7174
7175 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7176 if (MptResetHandlers[cb_idx]) {
7177 mpt_signal_reset(cb_idx, ioc, MPT_IOC_POST_RESET);
7178 if (ioc->alt_ioc)
7179 mpt_signal_reset(cb_idx,
7180 ioc->alt_ioc, MPT_IOC_POST_RESET);
7181 }
7182 }
7183
7184 dtmprintk(ioc,
7185 printk(MYIOC_s_DEBUG_FMT
7186 "HardResetHandler: completed (%d seconds): %s\n", ioc->name,
7187 jiffies_to_msecs(jiffies - time_count)/1000, ((rc == 0) ?
7188 "SUCCESS" : "FAILED")));
7189
7190 return rc;
7191}
7192
7193#ifdef CONFIG_FUSION_LOGGING
7194static void
7195mpt_display_event_info(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply)
7196{
7197 char *ds = NULL;
7198 u32 evData0;
7199 int ii;
7200 u8 event;
7201 char *evStr = ioc->evStr;
7202
7203 event = le32_to_cpu(pEventReply->Event) & 0xFF;
7204 evData0 = le32_to_cpu(pEventReply->Data[0]);
7205
7206 switch(event) {
7207 case MPI_EVENT_NONE:
7208 ds = "None";
7209 break;
7210 case MPI_EVENT_LOG_DATA:
7211 ds = "Log Data";
7212 break;
7213 case MPI_EVENT_STATE_CHANGE:
7214 ds = "State Change";
7215 break;
7216 case MPI_EVENT_UNIT_ATTENTION:
7217 ds = "Unit Attention";
7218 break;
7219 case MPI_EVENT_IOC_BUS_RESET:
7220 ds = "IOC Bus Reset";
7221 break;
7222 case MPI_EVENT_EXT_BUS_RESET:
7223 ds = "External Bus Reset";
7224 break;
7225 case MPI_EVENT_RESCAN:
7226 ds = "Bus Rescan Event";
7227 break;
7228 case MPI_EVENT_LINK_STATUS_CHANGE:
7229 if (evData0 == MPI_EVENT_LINK_STATUS_FAILURE)
7230 ds = "Link Status(FAILURE) Change";
7231 else
7232 ds = "Link Status(ACTIVE) Change";
7233 break;
7234 case MPI_EVENT_LOOP_STATE_CHANGE:
7235 if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LIP)
7236 ds = "Loop State(LIP) Change";
7237 else if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LPE)
7238 ds = "Loop State(LPE) Change";
7239 else
7240 ds = "Loop State(LPB) Change";
7241 break;
7242 case MPI_EVENT_LOGOUT:
7243 ds = "Logout";
7244 break;
7245 case MPI_EVENT_EVENT_CHANGE:
7246 if (evData0)
7247 ds = "Events ON";
7248 else
7249 ds = "Events OFF";
7250 break;
7251 case MPI_EVENT_INTEGRATED_RAID:
7252 {
7253 u8 ReasonCode = (u8)(evData0 >> 16);
7254 switch (ReasonCode) {
7255 case MPI_EVENT_RAID_RC_VOLUME_CREATED :
7256 ds = "Integrated Raid: Volume Created";
7257 break;
7258 case MPI_EVENT_RAID_RC_VOLUME_DELETED :
7259 ds = "Integrated Raid: Volume Deleted";
7260 break;
7261 case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED :
7262 ds = "Integrated Raid: Volume Settings Changed";
7263 break;
7264 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED :
7265 ds = "Integrated Raid: Volume Status Changed";
7266 break;
7267 case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED :
7268 ds = "Integrated Raid: Volume Physdisk Changed";
7269 break;
7270 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED :
7271 ds = "Integrated Raid: Physdisk Created";
7272 break;
7273 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED :
7274 ds = "Integrated Raid: Physdisk Deleted";
7275 break;
7276 case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED :
7277 ds = "Integrated Raid: Physdisk Settings Changed";
7278 break;
7279 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED :
7280 ds = "Integrated Raid: Physdisk Status Changed";
7281 break;
7282 case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED :
7283 ds = "Integrated Raid: Domain Validation Needed";
7284 break;
7285 case MPI_EVENT_RAID_RC_SMART_DATA :
7286 ds = "Integrated Raid; Smart Data";
7287 break;
7288 case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED :
7289 ds = "Integrated Raid: Replace Action Started";
7290 break;
7291 default:
7292 ds = "Integrated Raid";
7293 break;
7294 }
7295 break;
7296 }
7297 case MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE:
7298 ds = "SCSI Device Status Change";
7299 break;
7300 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
7301 {
7302 u8 id = (u8)(evData0);
7303 u8 channel = (u8)(evData0 >> 8);
7304 u8 ReasonCode = (u8)(evData0 >> 16);
7305 switch (ReasonCode) {
7306 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
7307 snprintf(evStr, EVENT_DESCR_STR_SZ,
7308 "SAS Device Status Change: Added: "
7309 "id=%d channel=%d", id, channel);
7310 break;
7311 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
7312 snprintf(evStr, EVENT_DESCR_STR_SZ,
7313 "SAS Device Status Change: Deleted: "
7314 "id=%d channel=%d", id, channel);
7315 break;
7316 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
7317 snprintf(evStr, EVENT_DESCR_STR_SZ,
7318 "SAS Device Status Change: SMART Data: "
7319 "id=%d channel=%d", id, channel);
7320 break;
7321 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
7322 snprintf(evStr, EVENT_DESCR_STR_SZ,
7323 "SAS Device Status Change: No Persistancy: "
7324 "id=%d channel=%d", id, channel);
7325 break;
7326 case MPI_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
7327 snprintf(evStr, EVENT_DESCR_STR_SZ,
7328 "SAS Device Status Change: Unsupported Device "
7329 "Discovered : id=%d channel=%d", id, channel);
7330 break;
7331 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
7332 snprintf(evStr, EVENT_DESCR_STR_SZ,
7333 "SAS Device Status Change: Internal Device "
7334 "Reset : id=%d channel=%d", id, channel);
7335 break;
7336 case MPI_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
7337 snprintf(evStr, EVENT_DESCR_STR_SZ,
7338 "SAS Device Status Change: Internal Task "
7339 "Abort : id=%d channel=%d", id, channel);
7340 break;
7341 case MPI_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
7342 snprintf(evStr, EVENT_DESCR_STR_SZ,
7343 "SAS Device Status Change: Internal Abort "
7344 "Task Set : id=%d channel=%d", id, channel);
7345 break;
7346 case MPI_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
7347 snprintf(evStr, EVENT_DESCR_STR_SZ,
7348 "SAS Device Status Change: Internal Clear "
7349 "Task Set : id=%d channel=%d", id, channel);
7350 break;
7351 case MPI_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
7352 snprintf(evStr, EVENT_DESCR_STR_SZ,
7353 "SAS Device Status Change: Internal Query "
7354 "Task : id=%d channel=%d", id, channel);
7355 break;
7356 default:
7357 snprintf(evStr, EVENT_DESCR_STR_SZ,
7358 "SAS Device Status Change: Unknown: "
7359 "id=%d channel=%d", id, channel);
7360 break;
7361 }
7362 break;
7363 }
7364 case MPI_EVENT_ON_BUS_TIMER_EXPIRED:
7365 ds = "Bus Timer Expired";
7366 break;
7367 case MPI_EVENT_QUEUE_FULL:
7368 {
7369 u16 curr_depth = (u16)(evData0 >> 16);
7370 u8 channel = (u8)(evData0 >> 8);
7371 u8 id = (u8)(evData0);
7372
7373 snprintf(evStr, EVENT_DESCR_STR_SZ,
7374 "Queue Full: channel=%d id=%d depth=%d",
7375 channel, id, curr_depth);
7376 break;
7377 }
7378 case MPI_EVENT_SAS_SES:
7379 ds = "SAS SES Event";
7380 break;
7381 case MPI_EVENT_PERSISTENT_TABLE_FULL:
7382 ds = "Persistent Table Full";
7383 break;
7384 case MPI_EVENT_SAS_PHY_LINK_STATUS:
7385 {
7386 u8 LinkRates = (u8)(evData0 >> 8);
7387 u8 PhyNumber = (u8)(evData0);
7388 LinkRates = (LinkRates & MPI_EVENT_SAS_PLS_LR_CURRENT_MASK) >>
7389 MPI_EVENT_SAS_PLS_LR_CURRENT_SHIFT;
7390 switch (LinkRates) {
7391 case MPI_EVENT_SAS_PLS_LR_RATE_UNKNOWN:
7392 snprintf(evStr, EVENT_DESCR_STR_SZ,
7393 "SAS PHY Link Status: Phy=%d:"
7394 " Rate Unknown",PhyNumber);
7395 break;
7396 case MPI_EVENT_SAS_PLS_LR_RATE_PHY_DISABLED:
7397 snprintf(evStr, EVENT_DESCR_STR_SZ,
7398 "SAS PHY Link Status: Phy=%d:"
7399 " Phy Disabled",PhyNumber);
7400 break;
7401 case MPI_EVENT_SAS_PLS_LR_RATE_FAILED_SPEED_NEGOTIATION:
7402 snprintf(evStr, EVENT_DESCR_STR_SZ,
7403 "SAS PHY Link Status: Phy=%d:"
7404 " Failed Speed Nego",PhyNumber);
7405 break;
7406 case MPI_EVENT_SAS_PLS_LR_RATE_SATA_OOB_COMPLETE:
7407 snprintf(evStr, EVENT_DESCR_STR_SZ,
7408 "SAS PHY Link Status: Phy=%d:"
7409 " Sata OOB Completed",PhyNumber);
7410 break;
7411 case MPI_EVENT_SAS_PLS_LR_RATE_1_5:
7412 snprintf(evStr, EVENT_DESCR_STR_SZ,
7413 "SAS PHY Link Status: Phy=%d:"
7414 " Rate 1.5 Gbps",PhyNumber);
7415 break;
7416 case MPI_EVENT_SAS_PLS_LR_RATE_3_0:
7417 snprintf(evStr, EVENT_DESCR_STR_SZ,
7418 "SAS PHY Link Status: Phy=%d:"
7419 " Rate 3.0 Gbps", PhyNumber);
7420 break;
7421 case MPI_EVENT_SAS_PLS_LR_RATE_6_0:
7422 snprintf(evStr, EVENT_DESCR_STR_SZ,
7423 "SAS PHY Link Status: Phy=%d:"
7424 " Rate 6.0 Gbps", PhyNumber);
7425 break;
7426 default:
7427 snprintf(evStr, EVENT_DESCR_STR_SZ,
7428 "SAS PHY Link Status: Phy=%d", PhyNumber);
7429 break;
7430 }
7431 break;
7432 }
7433 case MPI_EVENT_SAS_DISCOVERY_ERROR:
7434 ds = "SAS Discovery Error";
7435 break;
7436 case MPI_EVENT_IR_RESYNC_UPDATE:
7437 {
7438 u8 resync_complete = (u8)(evData0 >> 16);
7439 snprintf(evStr, EVENT_DESCR_STR_SZ,
7440 "IR Resync Update: Complete = %d:",resync_complete);
7441 break;
7442 }
7443 case MPI_EVENT_IR2:
7444 {
7445 u8 id = (u8)(evData0);
7446 u8 channel = (u8)(evData0 >> 8);
7447 u8 phys_num = (u8)(evData0 >> 24);
7448 u8 ReasonCode = (u8)(evData0 >> 16);
7449
7450 switch (ReasonCode) {
7451 case MPI_EVENT_IR2_RC_LD_STATE_CHANGED:
7452 snprintf(evStr, EVENT_DESCR_STR_SZ,
7453 "IR2: LD State Changed: "
7454 "id=%d channel=%d phys_num=%d",
7455 id, channel, phys_num);
7456 break;
7457 case MPI_EVENT_IR2_RC_PD_STATE_CHANGED:
7458 snprintf(evStr, EVENT_DESCR_STR_SZ,
7459 "IR2: PD State Changed "
7460 "id=%d channel=%d phys_num=%d",
7461 id, channel, phys_num);
7462 break;
7463 case MPI_EVENT_IR2_RC_BAD_BLOCK_TABLE_FULL:
7464 snprintf(evStr, EVENT_DESCR_STR_SZ,
7465 "IR2: Bad Block Table Full: "
7466 "id=%d channel=%d phys_num=%d",
7467 id, channel, phys_num);
7468 break;
7469 case MPI_EVENT_IR2_RC_PD_INSERTED:
7470 snprintf(evStr, EVENT_DESCR_STR_SZ,
7471 "IR2: PD Inserted: "
7472 "id=%d channel=%d phys_num=%d",
7473 id, channel, phys_num);
7474 break;
7475 case MPI_EVENT_IR2_RC_PD_REMOVED:
7476 snprintf(evStr, EVENT_DESCR_STR_SZ,
7477 "IR2: PD Removed: "
7478 "id=%d channel=%d phys_num=%d",
7479 id, channel, phys_num);
7480 break;
7481 case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED:
7482 snprintf(evStr, EVENT_DESCR_STR_SZ,
7483 "IR2: Foreign CFG Detected: "
7484 "id=%d channel=%d phys_num=%d",
7485 id, channel, phys_num);
7486 break;
7487 case MPI_EVENT_IR2_RC_REBUILD_MEDIUM_ERROR:
7488 snprintf(evStr, EVENT_DESCR_STR_SZ,
7489 "IR2: Rebuild Medium Error: "
7490 "id=%d channel=%d phys_num=%d",
7491 id, channel, phys_num);
7492 break;
7493 case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED:
7494 snprintf(evStr, EVENT_DESCR_STR_SZ,
7495 "IR2: Dual Port Added: "
7496 "id=%d channel=%d phys_num=%d",
7497 id, channel, phys_num);
7498 break;
7499 case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED:
7500 snprintf(evStr, EVENT_DESCR_STR_SZ,
7501 "IR2: Dual Port Removed: "
7502 "id=%d channel=%d phys_num=%d",
7503 id, channel, phys_num);
7504 break;
7505 default:
7506 ds = "IR2";
7507 break;
7508 }
7509 break;
7510 }
7511 case MPI_EVENT_SAS_DISCOVERY:
7512 {
7513 if (evData0)
7514 ds = "SAS Discovery: Start";
7515 else
7516 ds = "SAS Discovery: Stop";
7517 break;
7518 }
7519 case MPI_EVENT_LOG_ENTRY_ADDED:
7520 ds = "SAS Log Entry Added";
7521 break;
7522
7523 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
7524 {
7525 u8 phy_num = (u8)(evData0);
7526 u8 port_num = (u8)(evData0 >> 8);
7527 u8 port_width = (u8)(evData0 >> 16);
7528 u8 primative = (u8)(evData0 >> 24);
7529 snprintf(evStr, EVENT_DESCR_STR_SZ,
7530 "SAS Broadcase Primative: phy=%d port=%d "
7531 "width=%d primative=0x%02x",
7532 phy_num, port_num, port_width, primative);
7533 break;
7534 }
7535
7536 case MPI_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE:
7537 {
7538 u8 reason = (u8)(evData0);
7539
7540 switch (reason) {
7541 case MPI_EVENT_SAS_INIT_RC_ADDED:
7542 ds = "SAS Initiator Status Change: Added";
7543 break;
7544 case MPI_EVENT_SAS_INIT_RC_REMOVED:
7545 ds = "SAS Initiator Status Change: Deleted";
7546 break;
7547 default:
7548 ds = "SAS Initiator Status Change";
7549 break;
7550 }
7551 break;
7552 }
7553
7554 case MPI_EVENT_SAS_INIT_TABLE_OVERFLOW:
7555 {
7556 u8 max_init = (u8)(evData0);
7557 u8 current_init = (u8)(evData0 >> 8);
7558
7559 snprintf(evStr, EVENT_DESCR_STR_SZ,
7560 "SAS Initiator Device Table Overflow: max initiators=%02d "
7561 "current initators=%02d",
7562 max_init, current_init);
7563 break;
7564 }
7565 case MPI_EVENT_SAS_SMP_ERROR:
7566 {
7567 u8 status = (u8)(evData0);
7568 u8 port_num = (u8)(evData0 >> 8);
7569 u8 result = (u8)(evData0 >> 16);
7570
7571 if (status == MPI_EVENT_SAS_SMP_FUNCTION_RESULT_VALID)
7572 snprintf(evStr, EVENT_DESCR_STR_SZ,
7573 "SAS SMP Error: port=%d result=0x%02x",
7574 port_num, result);
7575 else if (status == MPI_EVENT_SAS_SMP_CRC_ERROR)
7576 snprintf(evStr, EVENT_DESCR_STR_SZ,
7577 "SAS SMP Error: port=%d : CRC Error",
7578 port_num);
7579 else if (status == MPI_EVENT_SAS_SMP_TIMEOUT)
7580 snprintf(evStr, EVENT_DESCR_STR_SZ,
7581 "SAS SMP Error: port=%d : Timeout",
7582 port_num);
7583 else if (status == MPI_EVENT_SAS_SMP_NO_DESTINATION)
7584 snprintf(evStr, EVENT_DESCR_STR_SZ,
7585 "SAS SMP Error: port=%d : No Destination",
7586 port_num);
7587 else if (status == MPI_EVENT_SAS_SMP_BAD_DESTINATION)
7588 snprintf(evStr, EVENT_DESCR_STR_SZ,
7589 "SAS SMP Error: port=%d : Bad Destination",
7590 port_num);
7591 else
7592 snprintf(evStr, EVENT_DESCR_STR_SZ,
7593 "SAS SMP Error: port=%d : status=0x%02x",
7594 port_num, status);
7595 break;
7596 }
7597
7598 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
7599 {
7600 u8 reason = (u8)(evData0);
7601
7602 switch (reason) {
7603 case MPI_EVENT_SAS_EXP_RC_ADDED:
7604 ds = "Expander Status Change: Added";
7605 break;
7606 case MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING:
7607 ds = "Expander Status Change: Deleted";
7608 break;
7609 default:
7610 ds = "Expander Status Change";
7611 break;
7612 }
7613 break;
7614 }
7615
7616 /*
7617 * MPT base "custom" events may be added here...
7618 */
7619 default:
7620 ds = "Unknown";
7621 break;
7622 }
7623 if (ds)
7624 strncpy(evStr, ds, EVENT_DESCR_STR_SZ);
7625
7626
7627 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7628 "MPT event:(%02Xh) : %s\n",
7629 ioc->name, event, evStr));
7630
7631 devtverboseprintk(ioc, printk(KERN_DEBUG MYNAM
7632 ": Event data:\n"));
7633 for (ii = 0; ii < le16_to_cpu(pEventReply->EventDataLength); ii++)
7634 devtverboseprintk(ioc, printk(" %08x",
7635 le32_to_cpu(pEventReply->Data[ii])));
7636 devtverboseprintk(ioc, printk(KERN_DEBUG "\n"));
7637}
7638#endif
7639/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7640/**
7641 * ProcessEventNotification - Route EventNotificationReply to all event handlers
7642 * @ioc: Pointer to MPT_ADAPTER structure
7643 * @pEventReply: Pointer to EventNotification reply frame
7644 * @evHandlers: Pointer to integer, number of event handlers
7645 *
7646 * Routes a received EventNotificationReply to all currently registered
7647 * event handlers.
7648 * Returns sum of event handlers return values.
7649 */
7650static int
7651ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply, int *evHandlers)
7652{
7653 u16 evDataLen;
7654 u32 evData0 = 0;
7655 int ii;
7656 u8 cb_idx;
7657 int r = 0;
7658 int handlers = 0;
7659 u8 event;
7660
7661 /*
7662 * Do platform normalization of values
7663 */
7664 event = le32_to_cpu(pEventReply->Event) & 0xFF;
7665 evDataLen = le16_to_cpu(pEventReply->EventDataLength);
7666 if (evDataLen) {
7667 evData0 = le32_to_cpu(pEventReply->Data[0]);
7668 }
7669
7670#ifdef CONFIG_FUSION_LOGGING
7671 if (evDataLen)
7672 mpt_display_event_info(ioc, pEventReply);
7673#endif
7674
7675 /*
7676 * Do general / base driver event processing
7677 */
7678 switch(event) {
7679 case MPI_EVENT_EVENT_CHANGE: /* 0A */
7680 if (evDataLen) {
7681 u8 evState = evData0 & 0xFF;
7682
7683 /* CHECKME! What if evState unexpectedly says OFF (0)? */
7684
7685 /* Update EventState field in cached IocFacts */
7686 if (ioc->facts.Function) {
7687 ioc->facts.EventState = evState;
7688 }
7689 }
7690 break;
7691 case MPI_EVENT_INTEGRATED_RAID:
7692 mptbase_raid_process_event_data(ioc,
7693 (MpiEventDataRaid_t *)pEventReply->Data);
7694 break;
7695 default:
7696 break;
7697 }
7698
7699 /*
7700 * Should this event be logged? Events are written sequentially.
7701 * When buffer is full, start again at the top.
7702 */
7703 if (ioc->events && (ioc->eventTypes & ( 1 << event))) {
7704 int idx;
7705
7706 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
7707
7708 ioc->events[idx].event = event;
7709 ioc->events[idx].eventContext = ioc->eventContext;
7710
7711 for (ii = 0; ii < 2; ii++) {
7712 if (ii < evDataLen)
7713 ioc->events[idx].data[ii] = le32_to_cpu(pEventReply->Data[ii]);
7714 else
7715 ioc->events[idx].data[ii] = 0;
7716 }
7717
7718 ioc->eventContext++;
7719 }
7720
7721
7722 /*
7723 * Call each currently registered protocol event handler.
7724 */
7725 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7726 if (MptEvHandlers[cb_idx]) {
7727 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7728 "Routing Event to event handler #%d\n",
7729 ioc->name, cb_idx));
7730 r += (*(MptEvHandlers[cb_idx]))(ioc, pEventReply);
7731 handlers++;
7732 }
7733 }
7734 /* FIXME? Examine results here? */
7735
7736 /*
7737 * If needed, send (a single) EventAck.
7738 */
7739 if (pEventReply->AckRequired == MPI_EVENT_NOTIFICATION_ACK_REQUIRED) {
7740 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7741 "EventAck required\n",ioc->name));
7742 if ((ii = SendEventAck(ioc, pEventReply)) != 0) {
7743 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SendEventAck returned %d\n",
7744 ioc->name, ii));
7745 }
7746 }
7747
7748 *evHandlers = handlers;
7749 return r;
7750}
7751
7752/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7753/**
7754 * mpt_fc_log_info - Log information returned from Fibre Channel IOC.
7755 * @ioc: Pointer to MPT_ADAPTER structure
7756 * @log_info: U32 LogInfo reply word from the IOC
7757 *
7758 * Refer to lsi/mpi_log_fc.h.
7759 */
7760static void
7761mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info)
7762{
7763 char *desc = "unknown";
7764
7765 switch (log_info & 0xFF000000) {
7766 case MPI_IOCLOGINFO_FC_INIT_BASE:
7767 desc = "FCP Initiator";
7768 break;
7769 case MPI_IOCLOGINFO_FC_TARGET_BASE:
7770 desc = "FCP Target";
7771 break;
7772 case MPI_IOCLOGINFO_FC_LAN_BASE:
7773 desc = "LAN";
7774 break;
7775 case MPI_IOCLOGINFO_FC_MSG_BASE:
7776 desc = "MPI Message Layer";
7777 break;
7778 case MPI_IOCLOGINFO_FC_LINK_BASE:
7779 desc = "FC Link";
7780 break;
7781 case MPI_IOCLOGINFO_FC_CTX_BASE:
7782 desc = "Context Manager";
7783 break;
7784 case MPI_IOCLOGINFO_FC_INVALID_FIELD_BYTE_OFFSET:
7785 desc = "Invalid Field Offset";
7786 break;
7787 case MPI_IOCLOGINFO_FC_STATE_CHANGE:
7788 desc = "State Change Info";
7789 break;
7790 }
7791
7792 printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): SubClass={%s}, Value=(0x%06x)\n",
7793 ioc->name, log_info, desc, (log_info & 0xFFFFFF));
7794}
7795
7796/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7797/**
7798 * mpt_spi_log_info - Log information returned from SCSI Parallel IOC.
7799 * @ioc: Pointer to MPT_ADAPTER structure
7800 * @log_info: U32 LogInfo word from the IOC
7801 *
7802 * Refer to lsi/sp_log.h.
7803 */
7804static void
7805mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info)
7806{
7807 u32 info = log_info & 0x00FF0000;
7808 char *desc = "unknown";
7809
7810 switch (info) {
7811 case 0x00010000:
7812 desc = "bug! MID not found";
7813 break;
7814
7815 case 0x00020000:
7816 desc = "Parity Error";
7817 break;
7818
7819 case 0x00030000:
7820 desc = "ASYNC Outbound Overrun";
7821 break;
7822
7823 case 0x00040000:
7824 desc = "SYNC Offset Error";
7825 break;
7826
7827 case 0x00050000:
7828 desc = "BM Change";
7829 break;
7830
7831 case 0x00060000:
7832 desc = "Msg In Overflow";
7833 break;
7834
7835 case 0x00070000:
7836 desc = "DMA Error";
7837 break;
7838
7839 case 0x00080000:
7840 desc = "Outbound DMA Overrun";
7841 break;
7842
7843 case 0x00090000:
7844 desc = "Task Management";
7845 break;
7846
7847 case 0x000A0000:
7848 desc = "Device Problem";
7849 break;
7850
7851 case 0x000B0000:
7852 desc = "Invalid Phase Change";
7853 break;
7854
7855 case 0x000C0000:
7856 desc = "Untagged Table Size";
7857 break;
7858
7859 }
7860
7861 printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): F/W: %s\n", ioc->name, log_info, desc);
7862}
7863
7864/* strings for sas loginfo */
7865 static char *originator_str[] = {
7866 "IOP", /* 00h */
7867 "PL", /* 01h */
7868 "IR" /* 02h */
7869 };
7870 static char *iop_code_str[] = {
7871 NULL, /* 00h */
7872 "Invalid SAS Address", /* 01h */
7873 NULL, /* 02h */
7874 "Invalid Page", /* 03h */
7875 "Diag Message Error", /* 04h */
7876 "Task Terminated", /* 05h */
7877 "Enclosure Management", /* 06h */
7878 "Target Mode" /* 07h */
7879 };
7880 static char *pl_code_str[] = {
7881 NULL, /* 00h */
7882 "Open Failure", /* 01h */
7883 "Invalid Scatter Gather List", /* 02h */
7884 "Wrong Relative Offset or Frame Length", /* 03h */
7885 "Frame Transfer Error", /* 04h */
7886 "Transmit Frame Connected Low", /* 05h */
7887 "SATA Non-NCQ RW Error Bit Set", /* 06h */
7888 "SATA Read Log Receive Data Error", /* 07h */
7889 "SATA NCQ Fail All Commands After Error", /* 08h */
7890 "SATA Error in Receive Set Device Bit FIS", /* 09h */
7891 "Receive Frame Invalid Message", /* 0Ah */
7892 "Receive Context Message Valid Error", /* 0Bh */
7893 "Receive Frame Current Frame Error", /* 0Ch */
7894 "SATA Link Down", /* 0Dh */
7895 "Discovery SATA Init W IOS", /* 0Eh */
7896 "Config Invalid Page", /* 0Fh */
7897 "Discovery SATA Init Timeout", /* 10h */
7898 "Reset", /* 11h */
7899 "Abort", /* 12h */
7900 "IO Not Yet Executed", /* 13h */
7901 "IO Executed", /* 14h */
7902 "Persistent Reservation Out Not Affiliation "
7903 "Owner", /* 15h */
7904 "Open Transmit DMA Abort", /* 16h */
7905 "IO Device Missing Delay Retry", /* 17h */
7906 "IO Cancelled Due to Receive Error", /* 18h */
7907 NULL, /* 19h */
7908 NULL, /* 1Ah */
7909 NULL, /* 1Bh */
7910 NULL, /* 1Ch */
7911 NULL, /* 1Dh */
7912 NULL, /* 1Eh */
7913 NULL, /* 1Fh */
7914 "Enclosure Management" /* 20h */
7915 };
7916 static char *ir_code_str[] = {
7917 "Raid Action Error", /* 00h */
7918 NULL, /* 00h */
7919 NULL, /* 01h */
7920 NULL, /* 02h */
7921 NULL, /* 03h */
7922 NULL, /* 04h */
7923 NULL, /* 05h */
7924 NULL, /* 06h */
7925 NULL /* 07h */
7926 };
7927 static char *raid_sub_code_str[] = {
7928 NULL, /* 00h */
7929 "Volume Creation Failed: Data Passed too "
7930 "Large", /* 01h */
7931 "Volume Creation Failed: Duplicate Volumes "
7932 "Attempted", /* 02h */
7933 "Volume Creation Failed: Max Number "
7934 "Supported Volumes Exceeded", /* 03h */
7935 "Volume Creation Failed: DMA Error", /* 04h */
7936 "Volume Creation Failed: Invalid Volume Type", /* 05h */
7937 "Volume Creation Failed: Error Reading "
7938 "MFG Page 4", /* 06h */
7939 "Volume Creation Failed: Creating Internal "
7940 "Structures", /* 07h */
7941 NULL, /* 08h */
7942 NULL, /* 09h */
7943 NULL, /* 0Ah */
7944 NULL, /* 0Bh */
7945 NULL, /* 0Ch */
7946 NULL, /* 0Dh */
7947 NULL, /* 0Eh */
7948 NULL, /* 0Fh */
7949 "Activation failed: Already Active Volume", /* 10h */
7950 "Activation failed: Unsupported Volume Type", /* 11h */
7951 "Activation failed: Too Many Active Volumes", /* 12h */
7952 "Activation failed: Volume ID in Use", /* 13h */
7953 "Activation failed: Reported Failure", /* 14h */
7954 "Activation failed: Importing a Volume", /* 15h */
7955 NULL, /* 16h */
7956 NULL, /* 17h */
7957 NULL, /* 18h */
7958 NULL, /* 19h */
7959 NULL, /* 1Ah */
7960 NULL, /* 1Bh */
7961 NULL, /* 1Ch */
7962 NULL, /* 1Dh */
7963 NULL, /* 1Eh */
7964 NULL, /* 1Fh */
7965 "Phys Disk failed: Too Many Phys Disks", /* 20h */
7966 "Phys Disk failed: Data Passed too Large", /* 21h */
7967 "Phys Disk failed: DMA Error", /* 22h */
7968 "Phys Disk failed: Invalid <channel:id>", /* 23h */
7969 "Phys Disk failed: Creating Phys Disk Config "
7970 "Page", /* 24h */
7971 NULL, /* 25h */
7972 NULL, /* 26h */
7973 NULL, /* 27h */
7974 NULL, /* 28h */
7975 NULL, /* 29h */
7976 NULL, /* 2Ah */
7977 NULL, /* 2Bh */
7978 NULL, /* 2Ch */
7979 NULL, /* 2Dh */
7980 NULL, /* 2Eh */
7981 NULL, /* 2Fh */
7982 "Compatibility Error: IR Disabled", /* 30h */
7983 "Compatibility Error: Inquiry Command Failed", /* 31h */
7984 "Compatibility Error: Device not Direct Access "
7985 "Device ", /* 32h */
7986 "Compatibility Error: Removable Device Found", /* 33h */
7987 "Compatibility Error: Device SCSI Version not "
7988 "2 or Higher", /* 34h */
7989 "Compatibility Error: SATA Device, 48 BIT LBA "
7990 "not Supported", /* 35h */
7991 "Compatibility Error: Device doesn't have "
7992 "512 Byte Block Sizes", /* 36h */
7993 "Compatibility Error: Volume Type Check Failed", /* 37h */
7994 "Compatibility Error: Volume Type is "
7995 "Unsupported by FW", /* 38h */
7996 "Compatibility Error: Disk Drive too Small for "
7997 "use in Volume", /* 39h */
7998 "Compatibility Error: Phys Disk for Create "
7999 "Volume not Found", /* 3Ah */
8000 "Compatibility Error: Too Many or too Few "
8001 "Disks for Volume Type", /* 3Bh */
8002 "Compatibility Error: Disk stripe Sizes "
8003 "Must be 64KB", /* 3Ch */
8004 "Compatibility Error: IME Size Limited to < 2TB", /* 3Dh */
8005 };
8006
8007/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8008/**
8009 * mpt_sas_log_info - Log information returned from SAS IOC.
8010 * @ioc: Pointer to MPT_ADAPTER structure
8011 * @log_info: U32 LogInfo reply word from the IOC
8012 * @cb_idx: callback function's handle
8013 *
8014 * Refer to lsi/mpi_log_sas.h.
8015 **/
8016static void
8017mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info, u8 cb_idx)
8018{
8019union loginfo_type {
8020 u32 loginfo;
8021 struct {
8022 u32 subcode:16;
8023 u32 code:8;
8024 u32 originator:4;
8025 u32 bus_type:4;
8026 }dw;
8027};
8028 union loginfo_type sas_loginfo;
8029 char *originator_desc = NULL;
8030 char *code_desc = NULL;
8031 char *sub_code_desc = NULL;
8032
8033 sas_loginfo.loginfo = log_info;
8034 if ((sas_loginfo.dw.bus_type != 3 /*SAS*/) &&
8035 (sas_loginfo.dw.originator < ARRAY_SIZE(originator_str)))
8036 return;
8037
8038 originator_desc = originator_str[sas_loginfo.dw.originator];
8039
8040 switch (sas_loginfo.dw.originator) {
8041
8042 case 0: /* IOP */
8043 if (sas_loginfo.dw.code <
8044 ARRAY_SIZE(iop_code_str))
8045 code_desc = iop_code_str[sas_loginfo.dw.code];
8046 break;
8047 case 1: /* PL */
8048 if (sas_loginfo.dw.code <
8049 ARRAY_SIZE(pl_code_str))
8050 code_desc = pl_code_str[sas_loginfo.dw.code];
8051 break;
8052 case 2: /* IR */
8053 if (sas_loginfo.dw.code >=
8054 ARRAY_SIZE(ir_code_str))
8055 break;
8056 code_desc = ir_code_str[sas_loginfo.dw.code];
8057 if (sas_loginfo.dw.subcode >=
8058 ARRAY_SIZE(raid_sub_code_str))
8059 break;
8060 if (sas_loginfo.dw.code == 0)
8061 sub_code_desc =
8062 raid_sub_code_str[sas_loginfo.dw.subcode];
8063 break;
8064 default:
8065 return;
8066 }
8067
8068 if (sub_code_desc != NULL)
8069 printk(MYIOC_s_INFO_FMT
8070 "LogInfo(0x%08x): Originator={%s}, Code={%s},"
8071 " SubCode={%s} cb_idx %s\n",
8072 ioc->name, log_info, originator_desc, code_desc,
8073 sub_code_desc, MptCallbacksName[cb_idx]);
8074 else if (code_desc != NULL)
8075 printk(MYIOC_s_INFO_FMT
8076 "LogInfo(0x%08x): Originator={%s}, Code={%s},"
8077 " SubCode(0x%04x) cb_idx %s\n",
8078 ioc->name, log_info, originator_desc, code_desc,
8079 sas_loginfo.dw.subcode, MptCallbacksName[cb_idx]);
8080 else
8081 printk(MYIOC_s_INFO_FMT
8082 "LogInfo(0x%08x): Originator={%s}, Code=(0x%02x),"
8083 " SubCode(0x%04x) cb_idx %s\n",
8084 ioc->name, log_info, originator_desc,
8085 sas_loginfo.dw.code, sas_loginfo.dw.subcode,
8086 MptCallbacksName[cb_idx]);
8087}
8088
8089/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8090/**
8091 * mpt_iocstatus_info_config - IOCSTATUS information for config pages
8092 * @ioc: Pointer to MPT_ADAPTER structure
8093 * @ioc_status: U32 IOCStatus word from IOC
8094 * @mf: Pointer to MPT request frame
8095 *
8096 * Refer to lsi/mpi.h.
8097 **/
8098static void
8099mpt_iocstatus_info_config(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf)
8100{
8101 Config_t *pReq = (Config_t *)mf;
8102 char extend_desc[EVENT_DESCR_STR_SZ];
8103 char *desc = NULL;
8104 u32 form;
8105 u8 page_type;
8106
8107 if (pReq->Header.PageType == MPI_CONFIG_PAGETYPE_EXTENDED)
8108 page_type = pReq->ExtPageType;
8109 else
8110 page_type = pReq->Header.PageType;
8111
8112 /*
8113 * ignore invalid page messages for GET_NEXT_HANDLE
8114 */
8115 form = le32_to_cpu(pReq->PageAddress);
8116 if (ioc_status == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
8117 if (page_type == MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE ||
8118 page_type == MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER ||
8119 page_type == MPI_CONFIG_EXTPAGETYPE_ENCLOSURE) {
8120 if ((form >> MPI_SAS_DEVICE_PGAD_FORM_SHIFT) ==
8121 MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE)
8122 return;
8123 }
8124 if (page_type == MPI_CONFIG_PAGETYPE_FC_DEVICE)
8125 if ((form & MPI_FC_DEVICE_PGAD_FORM_MASK) ==
8126 MPI_FC_DEVICE_PGAD_FORM_NEXT_DID)
8127 return;
8128 }
8129
8130 snprintf(extend_desc, EVENT_DESCR_STR_SZ,
8131 "type=%02Xh, page=%02Xh, action=%02Xh, form=%08Xh",
8132 page_type, pReq->Header.PageNumber, pReq->Action, form);
8133
8134 switch (ioc_status) {
8135
8136 case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */
8137 desc = "Config Page Invalid Action";
8138 break;
8139
8140 case MPI_IOCSTATUS_CONFIG_INVALID_TYPE: /* 0x0021 */
8141 desc = "Config Page Invalid Type";
8142 break;
8143
8144 case MPI_IOCSTATUS_CONFIG_INVALID_PAGE: /* 0x0022 */
8145 desc = "Config Page Invalid Page";
8146 break;
8147
8148 case MPI_IOCSTATUS_CONFIG_INVALID_DATA: /* 0x0023 */
8149 desc = "Config Page Invalid Data";
8150 break;
8151
8152 case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS: /* 0x0024 */
8153 desc = "Config Page No Defaults";
8154 break;
8155
8156 case MPI_IOCSTATUS_CONFIG_CANT_COMMIT: /* 0x0025 */
8157 desc = "Config Page Can't Commit";
8158 break;
8159 }
8160
8161 if (!desc)
8162 return;
8163
8164 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s: %s\n",
8165 ioc->name, ioc_status, desc, extend_desc));
8166}
8167
8168/**
8169 * mpt_iocstatus_info - IOCSTATUS information returned from IOC.
8170 * @ioc: Pointer to MPT_ADAPTER structure
8171 * @ioc_status: U32 IOCStatus word from IOC
8172 * @mf: Pointer to MPT request frame
8173 *
8174 * Refer to lsi/mpi.h.
8175 **/
8176static void
8177mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf)
8178{
8179 u32 status = ioc_status & MPI_IOCSTATUS_MASK;
8180 char *desc = NULL;
8181
8182 switch (status) {
8183
8184/****************************************************************************/
8185/* Common IOCStatus values for all replies */
8186/****************************************************************************/
8187
8188 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
8189 desc = "Invalid Function";
8190 break;
8191
8192 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
8193 desc = "Busy";
8194 break;
8195
8196 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
8197 desc = "Invalid SGL";
8198 break;
8199
8200 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
8201 desc = "Internal Error";
8202 break;
8203
8204 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
8205 desc = "Reserved";
8206 break;
8207
8208 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
8209 desc = "Insufficient Resources";
8210 break;
8211
8212 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
8213 desc = "Invalid Field";
8214 break;
8215
8216 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
8217 desc = "Invalid State";
8218 break;
8219
8220/****************************************************************************/
8221/* Config IOCStatus values */
8222/****************************************************************************/
8223
8224 case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */
8225 case MPI_IOCSTATUS_CONFIG_INVALID_TYPE: /* 0x0021 */
8226 case MPI_IOCSTATUS_CONFIG_INVALID_PAGE: /* 0x0022 */
8227 case MPI_IOCSTATUS_CONFIG_INVALID_DATA: /* 0x0023 */
8228 case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS: /* 0x0024 */
8229 case MPI_IOCSTATUS_CONFIG_CANT_COMMIT: /* 0x0025 */
8230 mpt_iocstatus_info_config(ioc, status, mf);
8231 break;
8232
8233/****************************************************************************/
8234/* SCSIIO Reply (SPI, FCP, SAS) initiator values */
8235/* */
8236/* Look at mptscsih_iocstatus_info_scsiio in mptscsih.c */
8237/* */
8238/****************************************************************************/
8239
8240 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
8241 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
8242 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
8243 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
8244 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
8245 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
8246 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
8247 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
8248 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
8249 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
8250 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
8251 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
8252 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
8253 break;
8254
8255/****************************************************************************/
8256/* SCSI Target values */
8257/****************************************************************************/
8258
8259 case MPI_IOCSTATUS_TARGET_PRIORITY_IO: /* 0x0060 */
8260 desc = "Target: Priority IO";
8261 break;
8262
8263 case MPI_IOCSTATUS_TARGET_INVALID_PORT: /* 0x0061 */
8264 desc = "Target: Invalid Port";
8265 break;
8266
8267 case MPI_IOCSTATUS_TARGET_INVALID_IO_INDEX: /* 0x0062 */
8268 desc = "Target Invalid IO Index:";
8269 break;
8270
8271 case MPI_IOCSTATUS_TARGET_ABORTED: /* 0x0063 */
8272 desc = "Target: Aborted";
8273 break;
8274
8275 case MPI_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: /* 0x0064 */
8276 desc = "Target: No Conn Retryable";
8277 break;
8278
8279 case MPI_IOCSTATUS_TARGET_NO_CONNECTION: /* 0x0065 */
8280 desc = "Target: No Connection";
8281 break;
8282
8283 case MPI_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: /* 0x006A */
8284 desc = "Target: Transfer Count Mismatch";
8285 break;
8286
8287 case MPI_IOCSTATUS_TARGET_STS_DATA_NOT_SENT: /* 0x006B */
8288 desc = "Target: STS Data not Sent";
8289 break;
8290
8291 case MPI_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: /* 0x006D */
8292 desc = "Target: Data Offset Error";
8293 break;
8294
8295 case MPI_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: /* 0x006E */
8296 desc = "Target: Too Much Write Data";
8297 break;
8298
8299 case MPI_IOCSTATUS_TARGET_IU_TOO_SHORT: /* 0x006F */
8300 desc = "Target: IU Too Short";
8301 break;
8302
8303 case MPI_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: /* 0x0070 */
8304 desc = "Target: ACK NAK Timeout";
8305 break;
8306
8307 case MPI_IOCSTATUS_TARGET_NAK_RECEIVED: /* 0x0071 */
8308 desc = "Target: Nak Received";
8309 break;
8310
8311/****************************************************************************/
8312/* Fibre Channel Direct Access values */
8313/****************************************************************************/
8314
8315 case MPI_IOCSTATUS_FC_ABORTED: /* 0x0066 */
8316 desc = "FC: Aborted";
8317 break;
8318
8319 case MPI_IOCSTATUS_FC_RX_ID_INVALID: /* 0x0067 */
8320 desc = "FC: RX ID Invalid";
8321 break;
8322
8323 case MPI_IOCSTATUS_FC_DID_INVALID: /* 0x0068 */
8324 desc = "FC: DID Invalid";
8325 break;
8326
8327 case MPI_IOCSTATUS_FC_NODE_LOGGED_OUT: /* 0x0069 */
8328 desc = "FC: Node Logged Out";
8329 break;
8330
8331 case MPI_IOCSTATUS_FC_EXCHANGE_CANCELED: /* 0x006C */
8332 desc = "FC: Exchange Canceled";
8333 break;
8334
8335/****************************************************************************/
8336/* LAN values */
8337/****************************************************************************/
8338
8339 case MPI_IOCSTATUS_LAN_DEVICE_NOT_FOUND: /* 0x0080 */
8340 desc = "LAN: Device not Found";
8341 break;
8342
8343 case MPI_IOCSTATUS_LAN_DEVICE_FAILURE: /* 0x0081 */
8344 desc = "LAN: Device Failure";
8345 break;
8346
8347 case MPI_IOCSTATUS_LAN_TRANSMIT_ERROR: /* 0x0082 */
8348 desc = "LAN: Transmit Error";
8349 break;
8350
8351 case MPI_IOCSTATUS_LAN_TRANSMIT_ABORTED: /* 0x0083 */
8352 desc = "LAN: Transmit Aborted";
8353 break;
8354
8355 case MPI_IOCSTATUS_LAN_RECEIVE_ERROR: /* 0x0084 */
8356 desc = "LAN: Receive Error";
8357 break;
8358
8359 case MPI_IOCSTATUS_LAN_RECEIVE_ABORTED: /* 0x0085 */
8360 desc = "LAN: Receive Aborted";
8361 break;
8362
8363 case MPI_IOCSTATUS_LAN_PARTIAL_PACKET: /* 0x0086 */
8364 desc = "LAN: Partial Packet";
8365 break;
8366
8367 case MPI_IOCSTATUS_LAN_CANCELED: /* 0x0087 */
8368 desc = "LAN: Canceled";
8369 break;
8370
8371/****************************************************************************/
8372/* Serial Attached SCSI values */
8373/****************************************************************************/
8374
8375 case MPI_IOCSTATUS_SAS_SMP_REQUEST_FAILED: /* 0x0090 */
8376 desc = "SAS: SMP Request Failed";
8377 break;
8378
8379 case MPI_IOCSTATUS_SAS_SMP_DATA_OVERRUN: /* 0x0090 */
8380 desc = "SAS: SMP Data Overrun";
8381 break;
8382
8383 default:
8384 desc = "Others";
8385 break;
8386 }
8387
8388 if (!desc)
8389 return;
8390
8391 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s\n",
8392 ioc->name, status, desc));
8393}
8394
8395/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8396EXPORT_SYMBOL(mpt_attach);
8397EXPORT_SYMBOL(mpt_detach);
8398#ifdef CONFIG_PM
8399EXPORT_SYMBOL(mpt_resume);
8400EXPORT_SYMBOL(mpt_suspend);
8401#endif
8402EXPORT_SYMBOL(ioc_list);
8403EXPORT_SYMBOL(mpt_register);
8404EXPORT_SYMBOL(mpt_deregister);
8405EXPORT_SYMBOL(mpt_event_register);
8406EXPORT_SYMBOL(mpt_event_deregister);
8407EXPORT_SYMBOL(mpt_reset_register);
8408EXPORT_SYMBOL(mpt_reset_deregister);
8409EXPORT_SYMBOL(mpt_device_driver_register);
8410EXPORT_SYMBOL(mpt_device_driver_deregister);
8411EXPORT_SYMBOL(mpt_get_msg_frame);
8412EXPORT_SYMBOL(mpt_put_msg_frame);
8413EXPORT_SYMBOL(mpt_put_msg_frame_hi_pri);
8414EXPORT_SYMBOL(mpt_free_msg_frame);
8415EXPORT_SYMBOL(mpt_send_handshake_request);
8416EXPORT_SYMBOL(mpt_verify_adapter);
8417EXPORT_SYMBOL(mpt_GetIocState);
8418EXPORT_SYMBOL(mpt_print_ioc_summary);
8419EXPORT_SYMBOL(mpt_HardResetHandler);
8420EXPORT_SYMBOL(mpt_config);
8421EXPORT_SYMBOL(mpt_findImVolumes);
8422EXPORT_SYMBOL(mpt_alloc_fw_memory);
8423EXPORT_SYMBOL(mpt_free_fw_memory);
8424EXPORT_SYMBOL(mptbase_sas_persist_operation);
8425EXPORT_SYMBOL(mpt_raid_phys_disk_pg0);
8426
8427/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8428/**
8429 * fusion_init - Fusion MPT base driver initialization routine.
8430 *
8431 * Returns 0 for success, non-zero for failure.
8432 */
8433static int __init
8434fusion_init(void)
8435{
8436 u8 cb_idx;
8437
8438 show_mptmod_ver(my_NAME, my_VERSION);
8439 printk(KERN_INFO COPYRIGHT "\n");
8440
8441 for (cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
8442 MptCallbacks[cb_idx] = NULL;
8443 MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER;
8444 MptEvHandlers[cb_idx] = NULL;
8445 MptResetHandlers[cb_idx] = NULL;
8446 }
8447
8448 /* Register ourselves (mptbase) in order to facilitate
8449 * EventNotification handling.
8450 */
8451 mpt_base_index = mpt_register(mptbase_reply, MPTBASE_DRIVER,
8452 "mptbase_reply");
8453
8454 /* Register for hard reset handling callbacks.
8455 */
8456 mpt_reset_register(mpt_base_index, mpt_ioc_reset);
8457
8458#ifdef CONFIG_PROC_FS
8459 (void) procmpt_create();
8460#endif
8461 return 0;
8462}
8463
8464/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8465/**
8466 * fusion_exit - Perform driver unload cleanup.
8467 *
8468 * This routine frees all resources associated with each MPT adapter
8469 * and removes all %MPT_PROCFS_MPTBASEDIR entries.
8470 */
8471static void __exit
8472fusion_exit(void)
8473{
8474
8475 mpt_reset_deregister(mpt_base_index);
8476
8477#ifdef CONFIG_PROC_FS
8478 procmpt_destroy();
8479#endif
8480}
8481
8482module_init(fusion_init);
8483module_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> /* needed for in_interrupt() proto */
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 break;
477 }
478 mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa);
479 break;
480 case MPI_CONTEXT_REPLY_TYPE_SCSI_TARGET:
481 cb_idx = mpt_get_cb_idx(MPTSTM_DRIVER);
482 mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa);
483 break;
484 default:
485 cb_idx = 0;
486 BUG();
487 }
488
489 /* Check for (valid) IO callback! */
490 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
491 MptCallbacks[cb_idx] == NULL) {
492 printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n",
493 __func__, ioc->name, cb_idx);
494 goto out;
495 }
496
497 if (MptCallbacks[cb_idx](ioc, mf, mr))
498 mpt_free_msg_frame(ioc, mf);
499 out:
500 mb();
501}
502
503static void
504mpt_reply(MPT_ADAPTER *ioc, u32 pa)
505{
506 MPT_FRAME_HDR *mf;
507 MPT_FRAME_HDR *mr;
508 u16 req_idx;
509 u8 cb_idx;
510 int freeme;
511
512 u32 reply_dma_low;
513 u16 ioc_stat;
514
515 /* non-TURBO reply! Hmmm, something may be up...
516 * Newest turbo reply mechanism; get address
517 * via left shift 1 (get rid of MPI_ADDRESS_REPLY_A_BIT)!
518 */
519
520 /* Map DMA address of reply header to cpu address.
521 * pa is 32 bits - but the dma address may be 32 or 64 bits
522 * get offset based only only the low addresses
523 */
524
525 reply_dma_low = (pa <<= 1);
526 mr = (MPT_FRAME_HDR *)((u8 *)ioc->reply_frames +
527 (reply_dma_low - ioc->reply_frames_low_dma));
528
529 req_idx = le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx);
530 cb_idx = mr->u.frame.hwhdr.msgctxu.fld.cb_idx;
531 mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
532
533 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got non-TURBO reply=%p req_idx=%x cb_idx=%x Function=%x\n",
534 ioc->name, mr, req_idx, cb_idx, mr->u.hdr.Function));
535 DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mr);
536
537 /* Check/log IOC log info
538 */
539 ioc_stat = le16_to_cpu(mr->u.reply.IOCStatus);
540 if (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
541 u32 log_info = le32_to_cpu(mr->u.reply.IOCLogInfo);
542 if (ioc->bus_type == FC)
543 mpt_fc_log_info(ioc, log_info);
544 else if (ioc->bus_type == SPI)
545 mpt_spi_log_info(ioc, log_info);
546 else if (ioc->bus_type == SAS)
547 mpt_sas_log_info(ioc, log_info, cb_idx);
548 }
549
550 if (ioc_stat & MPI_IOCSTATUS_MASK)
551 mpt_iocstatus_info(ioc, (u32)ioc_stat, mf);
552
553 /* Check for (valid) IO callback! */
554 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
555 MptCallbacks[cb_idx] == NULL) {
556 printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n",
557 __func__, ioc->name, cb_idx);
558 freeme = 0;
559 goto out;
560 }
561
562 freeme = MptCallbacks[cb_idx](ioc, mf, mr);
563
564 out:
565 /* Flush (non-TURBO) reply with a WRITE! */
566 CHIPREG_WRITE32(&ioc->chip->ReplyFifo, pa);
567
568 if (freeme)
569 mpt_free_msg_frame(ioc, mf);
570 mb();
571}
572
573/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
574/**
575 * mpt_interrupt - MPT adapter (IOC) specific interrupt handler.
576 * @irq: irq number (not used)
577 * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure
578 *
579 * This routine is registered via the request_irq() kernel API call,
580 * and handles all interrupts generated from a specific MPT adapter
581 * (also referred to as a IO Controller or IOC).
582 * This routine must clear the interrupt from the adapter and does
583 * so by reading the reply FIFO. Multiple replies may be processed
584 * per single call to this routine.
585 *
586 * This routine handles register-level access of the adapter but
587 * dispatches (calls) a protocol-specific callback routine to handle
588 * the protocol-specific details of the MPT request completion.
589 */
590static irqreturn_t
591mpt_interrupt(int irq, void *bus_id)
592{
593 MPT_ADAPTER *ioc = bus_id;
594 u32 pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo);
595
596 if (pa == 0xFFFFFFFF)
597 return IRQ_NONE;
598
599 /*
600 * Drain the reply FIFO!
601 */
602 do {
603 if (pa & MPI_ADDRESS_REPLY_A_BIT)
604 mpt_reply(ioc, pa);
605 else
606 mpt_turbo_reply(ioc, pa);
607 pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo);
608 } while (pa != 0xFFFFFFFF);
609
610 return IRQ_HANDLED;
611}
612
613/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
614/**
615 * mptbase_reply - MPT base driver's callback routine
616 * @ioc: Pointer to MPT_ADAPTER structure
617 * @req: Pointer to original MPT request frame
618 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
619 *
620 * MPT base driver's callback routine; all base driver
621 * "internal" request/reply processing is routed here.
622 * Currently used for EventNotification and EventAck handling.
623 *
624 * Returns 1 indicating original alloc'd request frame ptr
625 * should be freed, or 0 if it shouldn't.
626 */
627static int
628mptbase_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply)
629{
630 EventNotificationReply_t *pEventReply;
631 u8 event;
632 int evHandlers;
633 int freereq = 1;
634
635 switch (reply->u.hdr.Function) {
636 case MPI_FUNCTION_EVENT_NOTIFICATION:
637 pEventReply = (EventNotificationReply_t *)reply;
638 evHandlers = 0;
639 ProcessEventNotification(ioc, pEventReply, &evHandlers);
640 event = le32_to_cpu(pEventReply->Event) & 0xFF;
641 if (pEventReply->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY)
642 freereq = 0;
643 if (event != MPI_EVENT_EVENT_CHANGE)
644 break;
645 /* fall through */
646 case MPI_FUNCTION_CONFIG:
647 case MPI_FUNCTION_SAS_IO_UNIT_CONTROL:
648 ioc->mptbase_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
649 ioc->mptbase_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
650 memcpy(ioc->mptbase_cmds.reply, reply,
651 min(MPT_DEFAULT_FRAME_SIZE,
652 4 * reply->u.reply.MsgLength));
653 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) {
654 ioc->mptbase_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
655 complete(&ioc->mptbase_cmds.done);
656 } else
657 freereq = 0;
658 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_FREE_MF)
659 freereq = 1;
660 break;
661 case MPI_FUNCTION_EVENT_ACK:
662 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
663 "EventAck reply received\n", ioc->name));
664 break;
665 default:
666 printk(MYIOC_s_ERR_FMT
667 "Unexpected msg function (=%02Xh) reply received!\n",
668 ioc->name, reply->u.hdr.Function);
669 break;
670 }
671
672 /*
673 * Conditionally tell caller to free the original
674 * EventNotification/EventAck/unexpected request frame!
675 */
676 return freereq;
677}
678
679/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
680/**
681 * mpt_register - Register protocol-specific main callback handler.
682 * @cbfunc: callback function pointer
683 * @dclass: Protocol driver's class (%MPT_DRIVER_CLASS enum value)
684 * @func_name: call function's name
685 *
686 * This routine is called by a protocol-specific driver (SCSI host,
687 * LAN, SCSI target) to register its reply callback routine. Each
688 * protocol-specific driver must do this before it will be able to
689 * use any IOC resources, such as obtaining request frames.
690 *
691 * NOTES: The SCSI protocol driver currently calls this routine thrice
692 * in order to register separate callbacks; one for "normal" SCSI IO;
693 * one for MptScsiTaskMgmt requests; one for Scan/DV requests.
694 *
695 * Returns u8 valued "handle" in the range (and S.O.D. order)
696 * {N,...,7,6,5,...,1} if successful.
697 * A return value of MPT_MAX_PROTOCOL_DRIVERS (including zero!) should be
698 * considered an error by the caller.
699 */
700u8
701mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass, char *func_name)
702{
703 u8 cb_idx;
704 last_drv_idx = MPT_MAX_PROTOCOL_DRIVERS;
705
706 /*
707 * Search for empty callback slot in this order: {N,...,7,6,5,...,1}
708 * (slot/handle 0 is reserved!)
709 */
710 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
711 if (MptCallbacks[cb_idx] == NULL) {
712 MptCallbacks[cb_idx] = cbfunc;
713 MptDriverClass[cb_idx] = dclass;
714 MptEvHandlers[cb_idx] = NULL;
715 last_drv_idx = cb_idx;
716 strlcpy(MptCallbacksName[cb_idx], func_name,
717 MPT_MAX_CALLBACKNAME_LEN+1);
718 break;
719 }
720 }
721
722 return last_drv_idx;
723}
724
725/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
726/**
727 * mpt_deregister - Deregister a protocol drivers resources.
728 * @cb_idx: previously registered callback handle
729 *
730 * Each protocol-specific driver should call this routine when its
731 * module is unloaded.
732 */
733void
734mpt_deregister(u8 cb_idx)
735{
736 if (cb_idx && (cb_idx < MPT_MAX_PROTOCOL_DRIVERS)) {
737 MptCallbacks[cb_idx] = NULL;
738 MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER;
739 MptEvHandlers[cb_idx] = NULL;
740
741 last_drv_idx++;
742 }
743}
744
745/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
746/**
747 * mpt_event_register - Register protocol-specific event callback handler.
748 * @cb_idx: previously registered (via mpt_register) callback handle
749 * @ev_cbfunc: callback function
750 *
751 * This routine can be called by one or more protocol-specific drivers
752 * if/when they choose to be notified of MPT events.
753 *
754 * Returns 0 for success.
755 */
756int
757mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc)
758{
759 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
760 return -1;
761
762 MptEvHandlers[cb_idx] = ev_cbfunc;
763 return 0;
764}
765
766/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
767/**
768 * mpt_event_deregister - Deregister protocol-specific event callback handler
769 * @cb_idx: previously registered callback handle
770 *
771 * Each protocol-specific driver should call this routine
772 * when it does not (or can no longer) handle events,
773 * or when its module is unloaded.
774 */
775void
776mpt_event_deregister(u8 cb_idx)
777{
778 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
779 return;
780
781 MptEvHandlers[cb_idx] = NULL;
782}
783
784/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
785/**
786 * mpt_reset_register - Register protocol-specific IOC reset handler.
787 * @cb_idx: previously registered (via mpt_register) callback handle
788 * @reset_func: reset function
789 *
790 * This routine can be called by one or more protocol-specific drivers
791 * if/when they choose to be notified of IOC resets.
792 *
793 * Returns 0 for success.
794 */
795int
796mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func)
797{
798 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
799 return -1;
800
801 MptResetHandlers[cb_idx] = reset_func;
802 return 0;
803}
804
805/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
806/**
807 * mpt_reset_deregister - Deregister protocol-specific IOC reset handler.
808 * @cb_idx: previously registered callback handle
809 *
810 * Each protocol-specific driver should call this routine
811 * when it does not (or can no longer) handle IOC reset handling,
812 * or when its module is unloaded.
813 */
814void
815mpt_reset_deregister(u8 cb_idx)
816{
817 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
818 return;
819
820 MptResetHandlers[cb_idx] = NULL;
821}
822
823/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
824/**
825 * mpt_device_driver_register - Register device driver hooks
826 * @dd_cbfunc: driver callbacks struct
827 * @cb_idx: MPT protocol driver index
828 */
829int
830mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx)
831{
832 MPT_ADAPTER *ioc;
833 const struct pci_device_id *id;
834
835 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
836 return -EINVAL;
837
838 MptDeviceDriverHandlers[cb_idx] = dd_cbfunc;
839
840 /* call per pci device probe entry point */
841 list_for_each_entry(ioc, &ioc_list, list) {
842 id = ioc->pcidev->driver ?
843 ioc->pcidev->driver->id_table : NULL;
844 if (dd_cbfunc->probe)
845 dd_cbfunc->probe(ioc->pcidev, id);
846 }
847
848 return 0;
849}
850
851/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
852/**
853 * mpt_device_driver_deregister - DeRegister device driver hooks
854 * @cb_idx: MPT protocol driver index
855 */
856void
857mpt_device_driver_deregister(u8 cb_idx)
858{
859 struct mpt_pci_driver *dd_cbfunc;
860 MPT_ADAPTER *ioc;
861
862 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
863 return;
864
865 dd_cbfunc = MptDeviceDriverHandlers[cb_idx];
866
867 list_for_each_entry(ioc, &ioc_list, list) {
868 if (dd_cbfunc->remove)
869 dd_cbfunc->remove(ioc->pcidev);
870 }
871
872 MptDeviceDriverHandlers[cb_idx] = NULL;
873}
874
875
876/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
877/**
878 * mpt_get_msg_frame - Obtain an MPT request frame from the pool
879 * @cb_idx: Handle of registered MPT protocol driver
880 * @ioc: Pointer to MPT adapter structure
881 *
882 * Obtain an MPT request frame from the pool (of 1024) that are
883 * allocated per MPT adapter.
884 *
885 * Returns pointer to a MPT request frame or %NULL if none are available
886 * or IOC is not active.
887 */
888MPT_FRAME_HDR*
889mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc)
890{
891 MPT_FRAME_HDR *mf;
892 unsigned long flags;
893 u16 req_idx; /* Request index */
894
895 /* validate handle and ioc identifier */
896
897#ifdef MFCNT
898 if (!ioc->active)
899 printk(MYIOC_s_WARN_FMT "IOC Not Active! mpt_get_msg_frame "
900 "returning NULL!\n", ioc->name);
901#endif
902
903 /* If interrupts are not attached, do not return a request frame */
904 if (!ioc->active)
905 return NULL;
906
907 spin_lock_irqsave(&ioc->FreeQlock, flags);
908 if (!list_empty(&ioc->FreeQ)) {
909 int req_offset;
910
911 mf = list_entry(ioc->FreeQ.next, MPT_FRAME_HDR,
912 u.frame.linkage.list);
913 list_del(&mf->u.frame.linkage.list);
914 mf->u.frame.linkage.arg1 = 0;
915 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; /* byte */
916 req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
917 /* u16! */
918 req_idx = req_offset / ioc->req_sz;
919 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
920 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
921 /* Default, will be changed if necessary in SG generation */
922 ioc->RequestNB[req_idx] = ioc->NB_for_64_byte_frame;
923#ifdef MFCNT
924 ioc->mfcnt++;
925#endif
926 }
927 else
928 mf = NULL;
929 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
930
931#ifdef MFCNT
932 if (mf == NULL)
933 printk(MYIOC_s_WARN_FMT "IOC Active. No free Msg Frames! "
934 "Count 0x%x Max 0x%x\n", ioc->name, ioc->mfcnt,
935 ioc->req_depth);
936 mfcounter++;
937 if (mfcounter == PRINT_MF_COUNT)
938 printk(MYIOC_s_INFO_FMT "MF Count 0x%x Max 0x%x \n", ioc->name,
939 ioc->mfcnt, ioc->req_depth);
940#endif
941
942 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_get_msg_frame(%d,%d), got mf=%p\n",
943 ioc->name, cb_idx, ioc->id, mf));
944 return mf;
945}
946
947/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
948/**
949 * mpt_put_msg_frame - Send a protocol-specific MPT request frame to an IOC
950 * @cb_idx: Handle of registered MPT protocol driver
951 * @ioc: Pointer to MPT adapter structure
952 * @mf: Pointer to MPT request frame
953 *
954 * This routine posts an MPT request frame to the request post FIFO of a
955 * specific MPT adapter.
956 */
957void
958mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
959{
960 u32 mf_dma_addr;
961 int req_offset;
962 u16 req_idx; /* Request index */
963
964 /* ensure values are reset properly! */
965 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; /* byte */
966 req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
967 /* u16! */
968 req_idx = req_offset / ioc->req_sz;
969 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
970 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
971
972 DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf);
973
974 mf_dma_addr = (ioc->req_frames_low_dma + req_offset) | ioc->RequestNB[req_idx];
975 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d "
976 "RequestNB=%x\n", ioc->name, mf_dma_addr, req_idx,
977 ioc->RequestNB[req_idx]));
978 CHIPREG_WRITE32(&ioc->chip->RequestFifo, mf_dma_addr);
979}
980
981/**
982 * mpt_put_msg_frame_hi_pri - Send a hi-pri protocol-specific MPT request frame
983 * @cb_idx: Handle of registered MPT protocol driver
984 * @ioc: Pointer to MPT adapter structure
985 * @mf: Pointer to MPT request frame
986 *
987 * Send a protocol-specific MPT request frame to an IOC using
988 * hi-priority request queue.
989 *
990 * This routine posts an MPT request frame to the request post FIFO of a
991 * specific MPT adapter.
992 **/
993void
994mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
995{
996 u32 mf_dma_addr;
997 int req_offset;
998 u16 req_idx; /* Request index */
999
1000 /* ensure values are reset properly! */
1001 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;
1002 req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
1003 req_idx = req_offset / ioc->req_sz;
1004 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
1005 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
1006
1007 DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf);
1008
1009 mf_dma_addr = (ioc->req_frames_low_dma + req_offset);
1010 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d\n",
1011 ioc->name, mf_dma_addr, req_idx));
1012 CHIPREG_WRITE32(&ioc->chip->RequestHiPriFifo, mf_dma_addr);
1013}
1014
1015/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1016/**
1017 * mpt_free_msg_frame - Place MPT request frame back on FreeQ.
1018 * @ioc: Pointer to MPT adapter structure
1019 * @mf: Pointer to MPT request frame
1020 *
1021 * This routine places a MPT request frame back on the MPT adapter's
1022 * FreeQ.
1023 */
1024void
1025mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
1026{
1027 unsigned long flags;
1028
1029 /* Put Request back on FreeQ! */
1030 spin_lock_irqsave(&ioc->FreeQlock, flags);
1031 if (cpu_to_le32(mf->u.frame.linkage.arg1) == 0xdeadbeaf)
1032 goto out;
1033 /* signature to know if this mf is freed */
1034 mf->u.frame.linkage.arg1 = cpu_to_le32(0xdeadbeaf);
1035 list_add(&mf->u.frame.linkage.list, &ioc->FreeQ);
1036#ifdef MFCNT
1037 ioc->mfcnt--;
1038#endif
1039 out:
1040 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1041}
1042
1043/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1044/**
1045 * mpt_add_sge - Place a simple 32 bit SGE at address pAddr.
1046 * @pAddr: virtual address for SGE
1047 * @flagslength: SGE flags and data transfer length
1048 * @dma_addr: Physical address
1049 *
1050 * This routine places a MPT request frame back on the MPT adapter's
1051 * FreeQ.
1052 */
1053static void
1054mpt_add_sge(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
1055{
1056 SGESimple32_t *pSge = (SGESimple32_t *) pAddr;
1057 pSge->FlagsLength = cpu_to_le32(flagslength);
1058 pSge->Address = cpu_to_le32(dma_addr);
1059}
1060
1061/**
1062 * mpt_add_sge_64bit - Place a simple 64 bit SGE at address pAddr.
1063 * @pAddr: virtual address for SGE
1064 * @flagslength: SGE flags and data transfer length
1065 * @dma_addr: Physical address
1066 *
1067 * This routine places a MPT request frame back on the MPT adapter's
1068 * FreeQ.
1069 **/
1070static void
1071mpt_add_sge_64bit(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
1072{
1073 SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
1074 pSge->Address.Low = cpu_to_le32
1075 (lower_32_bits(dma_addr));
1076 pSge->Address.High = cpu_to_le32
1077 (upper_32_bits(dma_addr));
1078 pSge->FlagsLength = cpu_to_le32
1079 ((flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING));
1080}
1081
1082/**
1083 * mpt_add_sge_64bit_1078 - Place a simple 64 bit SGE at address pAddr (1078 workaround).
1084 * @pAddr: virtual address for SGE
1085 * @flagslength: SGE flags and data transfer length
1086 * @dma_addr: Physical address
1087 *
1088 * This routine places a MPT request frame back on the MPT adapter's
1089 * FreeQ.
1090 **/
1091static void
1092mpt_add_sge_64bit_1078(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
1093{
1094 SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
1095 u32 tmp;
1096
1097 pSge->Address.Low = cpu_to_le32
1098 (lower_32_bits(dma_addr));
1099 tmp = (u32)(upper_32_bits(dma_addr));
1100
1101 /*
1102 * 1078 errata workaround for the 36GB limitation
1103 */
1104 if ((((u64)dma_addr + MPI_SGE_LENGTH(flagslength)) >> 32) == 9) {
1105 flagslength |=
1106 MPI_SGE_SET_FLAGS(MPI_SGE_FLAGS_LOCAL_ADDRESS);
1107 tmp |= (1<<31);
1108 if (mpt_debug_level & MPT_DEBUG_36GB_MEM)
1109 printk(KERN_DEBUG "1078 P0M2 addressing for "
1110 "addr = 0x%llx len = %d\n",
1111 (unsigned long long)dma_addr,
1112 MPI_SGE_LENGTH(flagslength));
1113 }
1114
1115 pSge->Address.High = cpu_to_le32(tmp);
1116 pSge->FlagsLength = cpu_to_le32(
1117 (flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING));
1118}
1119
1120/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1121/**
1122 * mpt_add_chain - Place a 32 bit chain SGE at address pAddr.
1123 * @pAddr: virtual address for SGE
1124 * @next: nextChainOffset value (u32's)
1125 * @length: length of next SGL segment
1126 * @dma_addr: Physical address
1127 *
1128 */
1129static void
1130mpt_add_chain(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr)
1131{
1132 SGEChain32_t *pChain = (SGEChain32_t *) pAddr;
1133
1134 pChain->Length = cpu_to_le16(length);
1135 pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT;
1136 pChain->NextChainOffset = next;
1137 pChain->Address = cpu_to_le32(dma_addr);
1138}
1139
1140/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1141/**
1142 * mpt_add_chain_64bit - Place a 64 bit chain SGE at address pAddr.
1143 * @pAddr: virtual address for SGE
1144 * @next: nextChainOffset value (u32's)
1145 * @length: length of next SGL segment
1146 * @dma_addr: Physical address
1147 *
1148 */
1149static void
1150mpt_add_chain_64bit(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr)
1151{
1152 SGEChain64_t *pChain = (SGEChain64_t *) pAddr;
1153 u32 tmp = dma_addr & 0xFFFFFFFF;
1154
1155 pChain->Length = cpu_to_le16(length);
1156 pChain->Flags = (MPI_SGE_FLAGS_CHAIN_ELEMENT |
1157 MPI_SGE_FLAGS_64_BIT_ADDRESSING);
1158
1159 pChain->NextChainOffset = next;
1160
1161 pChain->Address.Low = cpu_to_le32(tmp);
1162 tmp = (u32)(upper_32_bits(dma_addr));
1163 pChain->Address.High = cpu_to_le32(tmp);
1164}
1165
1166/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1167/**
1168 * mpt_send_handshake_request - Send MPT request via doorbell handshake method.
1169 * @cb_idx: Handle of registered MPT protocol driver
1170 * @ioc: Pointer to MPT adapter structure
1171 * @reqBytes: Size of the request in bytes
1172 * @req: Pointer to MPT request frame
1173 * @sleepFlag: Use schedule if CAN_SLEEP else use udelay.
1174 *
1175 * This routine is used exclusively to send MptScsiTaskMgmt
1176 * requests since they are required to be sent via doorbell handshake.
1177 *
1178 * NOTE: It is the callers responsibility to byte-swap fields in the
1179 * request which are greater than 1 byte in size.
1180 *
1181 * Returns 0 for success, non-zero for failure.
1182 */
1183int
1184mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag)
1185{
1186 int r = 0;
1187 u8 *req_as_bytes;
1188 int ii;
1189
1190 /* State is known to be good upon entering
1191 * this function so issue the bus reset
1192 * request.
1193 */
1194
1195 /*
1196 * Emulate what mpt_put_msg_frame() does /wrt to sanity
1197 * setting cb_idx/req_idx. But ONLY if this request
1198 * is in proper (pre-alloc'd) request buffer range...
1199 */
1200 ii = MFPTR_2_MPT_INDEX(ioc,(MPT_FRAME_HDR*)req);
1201 if (reqBytes >= 12 && ii >= 0 && ii < ioc->req_depth) {
1202 MPT_FRAME_HDR *mf = (MPT_FRAME_HDR*)req;
1203 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(ii);
1204 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;
1205 }
1206
1207 /* Make sure there are no doorbells */
1208 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1209
1210 CHIPREG_WRITE32(&ioc->chip->Doorbell,
1211 ((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) |
1212 ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT)));
1213
1214 /* Wait for IOC doorbell int */
1215 if ((ii = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) {
1216 return ii;
1217 }
1218
1219 /* Read doorbell and check for active bit */
1220 if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE))
1221 return -5;
1222
1223 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_send_handshake_request start, WaitCnt=%d\n",
1224 ioc->name, ii));
1225
1226 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1227
1228 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
1229 return -2;
1230 }
1231
1232 /* Send request via doorbell handshake */
1233 req_as_bytes = (u8 *) req;
1234 for (ii = 0; ii < reqBytes/4; ii++) {
1235 u32 word;
1236
1237 word = ((req_as_bytes[(ii*4) + 0] << 0) |
1238 (req_as_bytes[(ii*4) + 1] << 8) |
1239 (req_as_bytes[(ii*4) + 2] << 16) |
1240 (req_as_bytes[(ii*4) + 3] << 24));
1241 CHIPREG_WRITE32(&ioc->chip->Doorbell, word);
1242 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
1243 r = -3;
1244 break;
1245 }
1246 }
1247
1248 if (r >= 0 && WaitForDoorbellInt(ioc, 10, sleepFlag) >= 0)
1249 r = 0;
1250 else
1251 r = -4;
1252
1253 /* Make sure there are no doorbells */
1254 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1255
1256 return r;
1257}
1258
1259/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1260/**
1261 * mpt_host_page_access_control - control the IOC's Host Page Buffer access
1262 * @ioc: Pointer to MPT adapter structure
1263 * @access_control_value: define bits below
1264 * @sleepFlag: Specifies whether the process can sleep
1265 *
1266 * Provides mechanism for the host driver to control the IOC's
1267 * Host Page Buffer access.
1268 *
1269 * Access Control Value - bits[15:12]
1270 * 0h Reserved
1271 * 1h Enable Access { MPI_DB_HPBAC_ENABLE_ACCESS }
1272 * 2h Disable Access { MPI_DB_HPBAC_DISABLE_ACCESS }
1273 * 3h Free Buffer { MPI_DB_HPBAC_FREE_BUFFER }
1274 *
1275 * Returns 0 for success, non-zero for failure.
1276 */
1277
1278static int
1279mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag)
1280{
1281 int r = 0;
1282
1283 /* return if in use */
1284 if (CHIPREG_READ32(&ioc->chip->Doorbell)
1285 & MPI_DOORBELL_ACTIVE)
1286 return -1;
1287
1288 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1289
1290 CHIPREG_WRITE32(&ioc->chip->Doorbell,
1291 ((MPI_FUNCTION_HOST_PAGEBUF_ACCESS_CONTROL
1292 <<MPI_DOORBELL_FUNCTION_SHIFT) |
1293 (access_control_value<<12)));
1294
1295 /* Wait for IOC to clear Doorbell Status bit */
1296 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
1297 return -2;
1298 }else
1299 return 0;
1300}
1301
1302/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1303/**
1304 * mpt_host_page_alloc - allocate system memory for the fw
1305 * @ioc: Pointer to pointer to IOC adapter
1306 * @ioc_init: Pointer to ioc init config page
1307 *
1308 * If we already allocated memory in past, then resend the same pointer.
1309 * Returns 0 for success, non-zero for failure.
1310 */
1311static int
1312mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init)
1313{
1314 char *psge;
1315 int flags_length;
1316 u32 host_page_buffer_sz=0;
1317
1318 if(!ioc->HostPageBuffer) {
1319
1320 host_page_buffer_sz =
1321 le32_to_cpu(ioc->facts.HostPageBufferSGE.FlagsLength) & 0xFFFFFF;
1322
1323 if(!host_page_buffer_sz)
1324 return 0; /* fw doesn't need any host buffers */
1325
1326 /* spin till we get enough memory */
1327 while(host_page_buffer_sz > 0) {
1328
1329 if((ioc->HostPageBuffer = pci_alloc_consistent(
1330 ioc->pcidev,
1331 host_page_buffer_sz,
1332 &ioc->HostPageBuffer_dma)) != NULL) {
1333
1334 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1335 "host_page_buffer @ %p, dma @ %x, sz=%d bytes\n",
1336 ioc->name, ioc->HostPageBuffer,
1337 (u32)ioc->HostPageBuffer_dma,
1338 host_page_buffer_sz));
1339 ioc->alloc_total += host_page_buffer_sz;
1340 ioc->HostPageBuffer_sz = host_page_buffer_sz;
1341 break;
1342 }
1343
1344 host_page_buffer_sz -= (4*1024);
1345 }
1346 }
1347
1348 if(!ioc->HostPageBuffer) {
1349 printk(MYIOC_s_ERR_FMT
1350 "Failed to alloc memory for host_page_buffer!\n",
1351 ioc->name);
1352 return -999;
1353 }
1354
1355 psge = (char *)&ioc_init->HostPageBufferSGE;
1356 flags_length = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
1357 MPI_SGE_FLAGS_SYSTEM_ADDRESS |
1358 MPI_SGE_FLAGS_HOST_TO_IOC |
1359 MPI_SGE_FLAGS_END_OF_BUFFER;
1360 flags_length = flags_length << MPI_SGE_FLAGS_SHIFT;
1361 flags_length |= ioc->HostPageBuffer_sz;
1362 ioc->add_sge(psge, flags_length, ioc->HostPageBuffer_dma);
1363 ioc->facts.HostPageBufferSGE = ioc_init->HostPageBufferSGE;
1364
1365 return 0;
1366}
1367
1368/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1369/**
1370 * mpt_verify_adapter - Given IOC identifier, set pointer to its adapter structure.
1371 * @iocid: IOC unique identifier (integer)
1372 * @iocpp: Pointer to pointer to IOC adapter
1373 *
1374 * Given a unique IOC identifier, set pointer to the associated MPT
1375 * adapter structure.
1376 *
1377 * Returns iocid and sets iocpp if iocid is found.
1378 * Returns -1 if iocid is not found.
1379 */
1380int
1381mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp)
1382{
1383 MPT_ADAPTER *ioc;
1384
1385 list_for_each_entry(ioc,&ioc_list,list) {
1386 if (ioc->id == iocid) {
1387 *iocpp =ioc;
1388 return iocid;
1389 }
1390 }
1391
1392 *iocpp = NULL;
1393 return -1;
1394}
1395
1396/**
1397 * mpt_get_product_name - returns product string
1398 * @vendor: pci vendor id
1399 * @device: pci device id
1400 * @revision: pci revision id
1401 *
1402 * Returns product string displayed when driver loads,
1403 * in /proc/mpt/summary and /sysfs/class/scsi_host/host<X>/version_product
1404 *
1405 **/
1406static const char*
1407mpt_get_product_name(u16 vendor, u16 device, u8 revision)
1408{
1409 char *product_str = NULL;
1410
1411 if (vendor == PCI_VENDOR_ID_BROCADE) {
1412 switch (device)
1413 {
1414 case MPI_MANUFACTPAGE_DEVICEID_FC949E:
1415 switch (revision)
1416 {
1417 case 0x00:
1418 product_str = "BRE040 A0";
1419 break;
1420 case 0x01:
1421 product_str = "BRE040 A1";
1422 break;
1423 default:
1424 product_str = "BRE040";
1425 break;
1426 }
1427 break;
1428 }
1429 goto out;
1430 }
1431
1432 switch (device)
1433 {
1434 case MPI_MANUFACTPAGE_DEVICEID_FC909:
1435 product_str = "LSIFC909 B1";
1436 break;
1437 case MPI_MANUFACTPAGE_DEVICEID_FC919:
1438 product_str = "LSIFC919 B0";
1439 break;
1440 case MPI_MANUFACTPAGE_DEVICEID_FC929:
1441 product_str = "LSIFC929 B0";
1442 break;
1443 case MPI_MANUFACTPAGE_DEVICEID_FC919X:
1444 if (revision < 0x80)
1445 product_str = "LSIFC919X A0";
1446 else
1447 product_str = "LSIFC919XL A1";
1448 break;
1449 case MPI_MANUFACTPAGE_DEVICEID_FC929X:
1450 if (revision < 0x80)
1451 product_str = "LSIFC929X A0";
1452 else
1453 product_str = "LSIFC929XL A1";
1454 break;
1455 case MPI_MANUFACTPAGE_DEVICEID_FC939X:
1456 product_str = "LSIFC939X A1";
1457 break;
1458 case MPI_MANUFACTPAGE_DEVICEID_FC949X:
1459 product_str = "LSIFC949X A1";
1460 break;
1461 case MPI_MANUFACTPAGE_DEVICEID_FC949E:
1462 switch (revision)
1463 {
1464 case 0x00:
1465 product_str = "LSIFC949E A0";
1466 break;
1467 case 0x01:
1468 product_str = "LSIFC949E A1";
1469 break;
1470 default:
1471 product_str = "LSIFC949E";
1472 break;
1473 }
1474 break;
1475 case MPI_MANUFACTPAGE_DEVID_53C1030:
1476 switch (revision)
1477 {
1478 case 0x00:
1479 product_str = "LSI53C1030 A0";
1480 break;
1481 case 0x01:
1482 product_str = "LSI53C1030 B0";
1483 break;
1484 case 0x03:
1485 product_str = "LSI53C1030 B1";
1486 break;
1487 case 0x07:
1488 product_str = "LSI53C1030 B2";
1489 break;
1490 case 0x08:
1491 product_str = "LSI53C1030 C0";
1492 break;
1493 case 0x80:
1494 product_str = "LSI53C1030T A0";
1495 break;
1496 case 0x83:
1497 product_str = "LSI53C1030T A2";
1498 break;
1499 case 0x87:
1500 product_str = "LSI53C1030T A3";
1501 break;
1502 case 0xc1:
1503 product_str = "LSI53C1020A A1";
1504 break;
1505 default:
1506 product_str = "LSI53C1030";
1507 break;
1508 }
1509 break;
1510 case MPI_MANUFACTPAGE_DEVID_1030_53C1035:
1511 switch (revision)
1512 {
1513 case 0x03:
1514 product_str = "LSI53C1035 A2";
1515 break;
1516 case 0x04:
1517 product_str = "LSI53C1035 B0";
1518 break;
1519 default:
1520 product_str = "LSI53C1035";
1521 break;
1522 }
1523 break;
1524 case MPI_MANUFACTPAGE_DEVID_SAS1064:
1525 switch (revision)
1526 {
1527 case 0x00:
1528 product_str = "LSISAS1064 A1";
1529 break;
1530 case 0x01:
1531 product_str = "LSISAS1064 A2";
1532 break;
1533 case 0x02:
1534 product_str = "LSISAS1064 A3";
1535 break;
1536 case 0x03:
1537 product_str = "LSISAS1064 A4";
1538 break;
1539 default:
1540 product_str = "LSISAS1064";
1541 break;
1542 }
1543 break;
1544 case MPI_MANUFACTPAGE_DEVID_SAS1064E:
1545 switch (revision)
1546 {
1547 case 0x00:
1548 product_str = "LSISAS1064E A0";
1549 break;
1550 case 0x01:
1551 product_str = "LSISAS1064E B0";
1552 break;
1553 case 0x02:
1554 product_str = "LSISAS1064E B1";
1555 break;
1556 case 0x04:
1557 product_str = "LSISAS1064E B2";
1558 break;
1559 case 0x08:
1560 product_str = "LSISAS1064E B3";
1561 break;
1562 default:
1563 product_str = "LSISAS1064E";
1564 break;
1565 }
1566 break;
1567 case MPI_MANUFACTPAGE_DEVID_SAS1068:
1568 switch (revision)
1569 {
1570 case 0x00:
1571 product_str = "LSISAS1068 A0";
1572 break;
1573 case 0x01:
1574 product_str = "LSISAS1068 B0";
1575 break;
1576 case 0x02:
1577 product_str = "LSISAS1068 B1";
1578 break;
1579 default:
1580 product_str = "LSISAS1068";
1581 break;
1582 }
1583 break;
1584 case MPI_MANUFACTPAGE_DEVID_SAS1068E:
1585 switch (revision)
1586 {
1587 case 0x00:
1588 product_str = "LSISAS1068E A0";
1589 break;
1590 case 0x01:
1591 product_str = "LSISAS1068E B0";
1592 break;
1593 case 0x02:
1594 product_str = "LSISAS1068E B1";
1595 break;
1596 case 0x04:
1597 product_str = "LSISAS1068E B2";
1598 break;
1599 case 0x08:
1600 product_str = "LSISAS1068E B3";
1601 break;
1602 default:
1603 product_str = "LSISAS1068E";
1604 break;
1605 }
1606 break;
1607 case MPI_MANUFACTPAGE_DEVID_SAS1078:
1608 switch (revision)
1609 {
1610 case 0x00:
1611 product_str = "LSISAS1078 A0";
1612 break;
1613 case 0x01:
1614 product_str = "LSISAS1078 B0";
1615 break;
1616 case 0x02:
1617 product_str = "LSISAS1078 C0";
1618 break;
1619 case 0x03:
1620 product_str = "LSISAS1078 C1";
1621 break;
1622 case 0x04:
1623 product_str = "LSISAS1078 C2";
1624 break;
1625 default:
1626 product_str = "LSISAS1078";
1627 break;
1628 }
1629 break;
1630 }
1631
1632 out:
1633 return product_str;
1634}
1635
1636/**
1637 * mpt_mapresources - map in memory mapped io
1638 * @ioc: Pointer to pointer to IOC adapter
1639 *
1640 **/
1641static int
1642mpt_mapresources(MPT_ADAPTER *ioc)
1643{
1644 u8 __iomem *mem;
1645 int ii;
1646 resource_size_t mem_phys;
1647 unsigned long port;
1648 u32 msize;
1649 u32 psize;
1650 int r = -ENODEV;
1651 struct pci_dev *pdev;
1652
1653 pdev = ioc->pcidev;
1654 ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
1655 if (pci_enable_device_mem(pdev)) {
1656 printk(MYIOC_s_ERR_FMT "pci_enable_device_mem() "
1657 "failed\n", ioc->name);
1658 return r;
1659 }
1660 if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) {
1661 printk(MYIOC_s_ERR_FMT "pci_request_selected_regions() with "
1662 "MEM failed\n", ioc->name);
1663 goto out_pci_disable_device;
1664 }
1665
1666 if (sizeof(dma_addr_t) > 4) {
1667 const uint64_t required_mask = dma_get_required_mask
1668 (&pdev->dev);
1669 if (required_mask > DMA_BIT_MASK(32)
1670 && !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))
1671 && !pci_set_consistent_dma_mask(pdev,
1672 DMA_BIT_MASK(64))) {
1673 ioc->dma_mask = DMA_BIT_MASK(64);
1674 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
1675 ": 64 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
1676 ioc->name));
1677 } else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
1678 && !pci_set_consistent_dma_mask(pdev,
1679 DMA_BIT_MASK(32))) {
1680 ioc->dma_mask = DMA_BIT_MASK(32);
1681 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
1682 ": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
1683 ioc->name));
1684 } else {
1685 printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n",
1686 ioc->name, pci_name(pdev));
1687 goto out_pci_release_region;
1688 }
1689 } else {
1690 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
1691 && !pci_set_consistent_dma_mask(pdev,
1692 DMA_BIT_MASK(32))) {
1693 ioc->dma_mask = DMA_BIT_MASK(32);
1694 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
1695 ": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
1696 ioc->name));
1697 } else {
1698 printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n",
1699 ioc->name, pci_name(pdev));
1700 goto out_pci_release_region;
1701 }
1702 }
1703
1704 mem_phys = msize = 0;
1705 port = psize = 0;
1706 for (ii = 0; ii < DEVICE_COUNT_RESOURCE; ii++) {
1707 if (pci_resource_flags(pdev, ii) & PCI_BASE_ADDRESS_SPACE_IO) {
1708 if (psize)
1709 continue;
1710 /* Get I/O space! */
1711 port = pci_resource_start(pdev, ii);
1712 psize = pci_resource_len(pdev, ii);
1713 } else {
1714 if (msize)
1715 continue;
1716 /* Get memmap */
1717 mem_phys = pci_resource_start(pdev, ii);
1718 msize = pci_resource_len(pdev, ii);
1719 }
1720 }
1721 ioc->mem_size = msize;
1722
1723 mem = NULL;
1724 /* Get logical ptr for PciMem0 space */
1725 /*mem = ioremap(mem_phys, msize);*/
1726 mem = ioremap(mem_phys, msize);
1727 if (mem == NULL) {
1728 printk(MYIOC_s_ERR_FMT ": ERROR - Unable to map adapter"
1729 " memory!\n", ioc->name);
1730 r = -EINVAL;
1731 goto out_pci_release_region;
1732 }
1733 ioc->memmap = mem;
1734 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %llx\n",
1735 ioc->name, mem, (unsigned long long)mem_phys));
1736
1737 ioc->mem_phys = mem_phys;
1738 ioc->chip = (SYSIF_REGS __iomem *)mem;
1739
1740 /* Save Port IO values in case we need to do downloadboot */
1741 ioc->pio_mem_phys = port;
1742 ioc->pio_chip = (SYSIF_REGS __iomem *)port;
1743
1744 return 0;
1745
1746out_pci_release_region:
1747 pci_release_selected_regions(pdev, ioc->bars);
1748out_pci_disable_device:
1749 pci_disable_device(pdev);
1750 return r;
1751}
1752
1753/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1754/**
1755 * mpt_attach - Install a PCI intelligent MPT adapter.
1756 * @pdev: Pointer to pci_dev structure
1757 * @id: PCI device ID information
1758 *
1759 * This routine performs all the steps necessary to bring the IOC of
1760 * a MPT adapter to a OPERATIONAL state. This includes registering
1761 * memory regions, registering the interrupt, and allocating request
1762 * and reply memory pools.
1763 *
1764 * This routine also pre-fetches the LAN MAC address of a Fibre Channel
1765 * MPT adapter.
1766 *
1767 * Returns 0 for success, non-zero for failure.
1768 *
1769 * TODO: Add support for polled controllers
1770 */
1771int
1772mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
1773{
1774 MPT_ADAPTER *ioc;
1775 u8 cb_idx;
1776 int r = -ENODEV;
1777 u8 pcixcmd;
1778 static int mpt_ids = 0;
1779#ifdef CONFIG_PROC_FS
1780 struct proc_dir_entry *dent;
1781#endif
1782
1783 ioc = kzalloc(sizeof(MPT_ADAPTER), GFP_KERNEL);
1784 if (ioc == NULL) {
1785 printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n");
1786 return -ENOMEM;
1787 }
1788
1789 ioc->id = mpt_ids++;
1790 sprintf(ioc->name, "ioc%d", ioc->id);
1791 dinitprintk(ioc, printk(KERN_WARNING MYNAM ": mpt_adapter_install\n"));
1792
1793 /*
1794 * set initial debug level
1795 * (refer to mptdebug.h)
1796 *
1797 */
1798 ioc->debug_level = mpt_debug_level;
1799 if (mpt_debug_level)
1800 printk(KERN_INFO "mpt_debug_level=%xh\n", mpt_debug_level);
1801
1802 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": mpt_adapter_install\n", ioc->name));
1803
1804 ioc->pcidev = pdev;
1805 if (mpt_mapresources(ioc)) {
1806 goto out_free_ioc;
1807 }
1808
1809 /*
1810 * Setting up proper handlers for scatter gather handling
1811 */
1812 if (ioc->dma_mask == DMA_BIT_MASK(64)) {
1813 if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078)
1814 ioc->add_sge = &mpt_add_sge_64bit_1078;
1815 else
1816 ioc->add_sge = &mpt_add_sge_64bit;
1817 ioc->add_chain = &mpt_add_chain_64bit;
1818 ioc->sg_addr_size = 8;
1819 } else {
1820 ioc->add_sge = &mpt_add_sge;
1821 ioc->add_chain = &mpt_add_chain;
1822 ioc->sg_addr_size = 4;
1823 }
1824 ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size;
1825
1826 ioc->alloc_total = sizeof(MPT_ADAPTER);
1827 ioc->req_sz = MPT_DEFAULT_FRAME_SIZE; /* avoid div by zero! */
1828 ioc->reply_sz = MPT_REPLY_FRAME_SIZE;
1829
1830
1831 spin_lock_init(&ioc->taskmgmt_lock);
1832 mutex_init(&ioc->internal_cmds.mutex);
1833 init_completion(&ioc->internal_cmds.done);
1834 mutex_init(&ioc->mptbase_cmds.mutex);
1835 init_completion(&ioc->mptbase_cmds.done);
1836 mutex_init(&ioc->taskmgmt_cmds.mutex);
1837 init_completion(&ioc->taskmgmt_cmds.done);
1838
1839 /* Initialize the event logging.
1840 */
1841 ioc->eventTypes = 0; /* None */
1842 ioc->eventContext = 0;
1843 ioc->eventLogSize = 0;
1844 ioc->events = NULL;
1845
1846#ifdef MFCNT
1847 ioc->mfcnt = 0;
1848#endif
1849
1850 ioc->sh = NULL;
1851 ioc->cached_fw = NULL;
1852
1853 /* Initialize SCSI Config Data structure
1854 */
1855 memset(&ioc->spi_data, 0, sizeof(SpiCfgData));
1856
1857 /* Initialize the fc rport list head.
1858 */
1859 INIT_LIST_HEAD(&ioc->fc_rports);
1860
1861 /* Find lookup slot. */
1862 INIT_LIST_HEAD(&ioc->list);
1863
1864
1865 /* Initialize workqueue */
1866 INIT_DELAYED_WORK(&ioc->fault_reset_work, mpt_fault_reset_work);
1867
1868 snprintf(ioc->reset_work_q_name, MPT_KOBJ_NAME_LEN,
1869 "mpt_poll_%d", ioc->id);
1870 ioc->reset_work_q = alloc_workqueue(ioc->reset_work_q_name,
1871 WQ_MEM_RECLAIM, 0);
1872 if (!ioc->reset_work_q) {
1873 printk(MYIOC_s_ERR_FMT "Insufficient memory to add adapter!\n",
1874 ioc->name);
1875 r = -ENOMEM;
1876 goto out_unmap_resources;
1877 }
1878
1879 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "facts @ %p, pfacts[0] @ %p\n",
1880 ioc->name, &ioc->facts, &ioc->pfacts[0]));
1881
1882 ioc->prod_name = mpt_get_product_name(pdev->vendor, pdev->device,
1883 pdev->revision);
1884
1885 switch (pdev->device)
1886 {
1887 case MPI_MANUFACTPAGE_DEVICEID_FC939X:
1888 case MPI_MANUFACTPAGE_DEVICEID_FC949X:
1889 ioc->errata_flag_1064 = 1;
1890 /* fall through */
1891 case MPI_MANUFACTPAGE_DEVICEID_FC909:
1892 case MPI_MANUFACTPAGE_DEVICEID_FC929:
1893 case MPI_MANUFACTPAGE_DEVICEID_FC919:
1894 case MPI_MANUFACTPAGE_DEVICEID_FC949E:
1895 ioc->bus_type = FC;
1896 break;
1897
1898 case MPI_MANUFACTPAGE_DEVICEID_FC929X:
1899 if (pdev->revision < XL_929) {
1900 /* 929X Chip Fix. Set Split transactions level
1901 * for PCIX. Set MOST bits to zero.
1902 */
1903 pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1904 pcixcmd &= 0x8F;
1905 pci_write_config_byte(pdev, 0x6a, pcixcmd);
1906 } else {
1907 /* 929XL Chip Fix. Set MMRBC to 0x08.
1908 */
1909 pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1910 pcixcmd |= 0x08;
1911 pci_write_config_byte(pdev, 0x6a, pcixcmd);
1912 }
1913 ioc->bus_type = FC;
1914 break;
1915
1916 case MPI_MANUFACTPAGE_DEVICEID_FC919X:
1917 /* 919X Chip Fix. Set Split transactions level
1918 * for PCIX. Set MOST bits to zero.
1919 */
1920 pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1921 pcixcmd &= 0x8F;
1922 pci_write_config_byte(pdev, 0x6a, pcixcmd);
1923 ioc->bus_type = FC;
1924 break;
1925
1926 case MPI_MANUFACTPAGE_DEVID_53C1030:
1927 /* 1030 Chip Fix. Disable Split transactions
1928 * for PCIX. Set MOST bits to zero if Rev < C0( = 8).
1929 */
1930 if (pdev->revision < C0_1030) {
1931 pci_read_config_byte(pdev, 0x6a, &pcixcmd);
1932 pcixcmd &= 0x8F;
1933 pci_write_config_byte(pdev, 0x6a, pcixcmd);
1934 }
1935 /* fall through */
1936
1937 case MPI_MANUFACTPAGE_DEVID_1030_53C1035:
1938 ioc->bus_type = SPI;
1939 break;
1940
1941 case MPI_MANUFACTPAGE_DEVID_SAS1064:
1942 case MPI_MANUFACTPAGE_DEVID_SAS1068:
1943 ioc->errata_flag_1064 = 1;
1944 ioc->bus_type = SAS;
1945 break;
1946
1947 case MPI_MANUFACTPAGE_DEVID_SAS1064E:
1948 case MPI_MANUFACTPAGE_DEVID_SAS1068E:
1949 case MPI_MANUFACTPAGE_DEVID_SAS1078:
1950 ioc->bus_type = SAS;
1951 break;
1952 }
1953
1954
1955 switch (ioc->bus_type) {
1956
1957 case SAS:
1958 ioc->msi_enable = mpt_msi_enable_sas;
1959 break;
1960
1961 case SPI:
1962 ioc->msi_enable = mpt_msi_enable_spi;
1963 break;
1964
1965 case FC:
1966 ioc->msi_enable = mpt_msi_enable_fc;
1967 break;
1968
1969 default:
1970 ioc->msi_enable = 0;
1971 break;
1972 }
1973
1974 ioc->fw_events_off = 1;
1975
1976 if (ioc->errata_flag_1064)
1977 pci_disable_io_access(pdev);
1978
1979 spin_lock_init(&ioc->FreeQlock);
1980
1981 /* Disable all! */
1982 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
1983 ioc->active = 0;
1984 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1985
1986 /* Set IOC ptr in the pcidev's driver data. */
1987 pci_set_drvdata(ioc->pcidev, ioc);
1988
1989 /* Set lookup ptr. */
1990 list_add_tail(&ioc->list, &ioc_list);
1991
1992 /* Check for "bound ports" (929, 929X, 1030, 1035) to reduce redundant resets.
1993 */
1994 mpt_detect_bound_ports(ioc, pdev);
1995
1996 INIT_LIST_HEAD(&ioc->fw_event_list);
1997 spin_lock_init(&ioc->fw_event_lock);
1998 snprintf(ioc->fw_event_q_name, MPT_KOBJ_NAME_LEN, "mpt/%d", ioc->id);
1999 ioc->fw_event_q = alloc_workqueue(ioc->fw_event_q_name,
2000 WQ_MEM_RECLAIM, 0);
2001 if (!ioc->fw_event_q) {
2002 printk(MYIOC_s_ERR_FMT "Insufficient memory to add adapter!\n",
2003 ioc->name);
2004 r = -ENOMEM;
2005 goto out_remove_ioc;
2006 }
2007
2008 if ((r = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP,
2009 CAN_SLEEP)) != 0){
2010 printk(MYIOC_s_ERR_FMT "didn't initialize properly! (%d)\n",
2011 ioc->name, r);
2012
2013 destroy_workqueue(ioc->fw_event_q);
2014 ioc->fw_event_q = NULL;
2015
2016 list_del(&ioc->list);
2017 if (ioc->alt_ioc)
2018 ioc->alt_ioc->alt_ioc = NULL;
2019 iounmap(ioc->memmap);
2020 if (pci_is_enabled(pdev))
2021 pci_disable_device(pdev);
2022 if (r != -5)
2023 pci_release_selected_regions(pdev, ioc->bars);
2024
2025 destroy_workqueue(ioc->reset_work_q);
2026 ioc->reset_work_q = NULL;
2027
2028 kfree(ioc);
2029 return r;
2030 }
2031
2032 /* call per device driver probe entry point */
2033 for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
2034 if(MptDeviceDriverHandlers[cb_idx] &&
2035 MptDeviceDriverHandlers[cb_idx]->probe) {
2036 MptDeviceDriverHandlers[cb_idx]->probe(pdev,id);
2037 }
2038 }
2039
2040#ifdef CONFIG_PROC_FS
2041 /*
2042 * Create "/proc/mpt/iocN" subdirectory entry for each MPT adapter.
2043 */
2044 dent = proc_mkdir(ioc->name, mpt_proc_root_dir);
2045 if (dent) {
2046 proc_create_single_data("info", S_IRUGO, dent,
2047 mpt_iocinfo_proc_show, ioc);
2048 proc_create_single_data("summary", S_IRUGO, dent,
2049 mpt_summary_proc_show, ioc);
2050 }
2051#endif
2052
2053 if (!ioc->alt_ioc)
2054 queue_delayed_work(ioc->reset_work_q, &ioc->fault_reset_work,
2055 msecs_to_jiffies(MPT_POLLING_INTERVAL));
2056
2057 return 0;
2058
2059out_remove_ioc:
2060 list_del(&ioc->list);
2061 if (ioc->alt_ioc)
2062 ioc->alt_ioc->alt_ioc = NULL;
2063
2064 destroy_workqueue(ioc->reset_work_q);
2065 ioc->reset_work_q = NULL;
2066
2067out_unmap_resources:
2068 iounmap(ioc->memmap);
2069 pci_disable_device(pdev);
2070 pci_release_selected_regions(pdev, ioc->bars);
2071
2072out_free_ioc:
2073 kfree(ioc);
2074
2075 return r;
2076}
2077
2078/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2079/**
2080 * mpt_detach - Remove a PCI intelligent MPT adapter.
2081 * @pdev: Pointer to pci_dev structure
2082 */
2083
2084void
2085mpt_detach(struct pci_dev *pdev)
2086{
2087 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2088 char pname[64];
2089 u8 cb_idx;
2090 unsigned long flags;
2091 struct workqueue_struct *wq;
2092
2093 /*
2094 * Stop polling ioc for fault condition
2095 */
2096 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2097 wq = ioc->reset_work_q;
2098 ioc->reset_work_q = NULL;
2099 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2100 cancel_delayed_work(&ioc->fault_reset_work);
2101 destroy_workqueue(wq);
2102
2103 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2104 wq = ioc->fw_event_q;
2105 ioc->fw_event_q = NULL;
2106 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2107 destroy_workqueue(wq);
2108
2109 snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name);
2110 remove_proc_entry(pname, NULL);
2111 snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s/info", ioc->name);
2112 remove_proc_entry(pname, NULL);
2113 snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s", ioc->name);
2114 remove_proc_entry(pname, NULL);
2115
2116 /* call per device driver remove entry point */
2117 for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
2118 if(MptDeviceDriverHandlers[cb_idx] &&
2119 MptDeviceDriverHandlers[cb_idx]->remove) {
2120 MptDeviceDriverHandlers[cb_idx]->remove(pdev);
2121 }
2122 }
2123
2124 /* Disable interrupts! */
2125 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
2126
2127 ioc->active = 0;
2128 synchronize_irq(pdev->irq);
2129
2130 /* Clear any lingering interrupt */
2131 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
2132
2133 CHIPREG_READ32(&ioc->chip->IntStatus);
2134
2135 mpt_adapter_dispose(ioc);
2136
2137}
2138
2139/**************************************************************************
2140 * Power Management
2141 */
2142#ifdef CONFIG_PM
2143/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2144/**
2145 * mpt_suspend - Fusion MPT base driver suspend routine.
2146 * @pdev: Pointer to pci_dev structure
2147 * @state: new state to enter
2148 */
2149int
2150mpt_suspend(struct pci_dev *pdev, pm_message_t state)
2151{
2152 u32 device_state;
2153 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2154
2155 device_state = pci_choose_state(pdev, state);
2156 printk(MYIOC_s_INFO_FMT "pci-suspend: pdev=0x%p, slot=%s, Entering "
2157 "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev),
2158 device_state);
2159
2160 /* put ioc into READY_STATE */
2161 if (SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, CAN_SLEEP)) {
2162 printk(MYIOC_s_ERR_FMT
2163 "pci-suspend: IOC msg unit reset failed!\n", ioc->name);
2164 }
2165
2166 /* disable interrupts */
2167 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
2168 ioc->active = 0;
2169
2170 /* Clear any lingering interrupt */
2171 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
2172
2173 free_irq(ioc->pci_irq, ioc);
2174 if (ioc->msi_enable)
2175 pci_disable_msi(ioc->pcidev);
2176 ioc->pci_irq = -1;
2177 pci_save_state(pdev);
2178 pci_disable_device(pdev);
2179 pci_release_selected_regions(pdev, ioc->bars);
2180 pci_set_power_state(pdev, device_state);
2181 return 0;
2182}
2183
2184/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2185/**
2186 * mpt_resume - Fusion MPT base driver resume routine.
2187 * @pdev: Pointer to pci_dev structure
2188 */
2189int
2190mpt_resume(struct pci_dev *pdev)
2191{
2192 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2193 u32 device_state = pdev->current_state;
2194 int recovery_state;
2195 int err;
2196
2197 printk(MYIOC_s_INFO_FMT "pci-resume: pdev=0x%p, slot=%s, Previous "
2198 "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev),
2199 device_state);
2200
2201 pci_set_power_state(pdev, PCI_D0);
2202 pci_enable_wake(pdev, PCI_D0, 0);
2203 pci_restore_state(pdev);
2204 ioc->pcidev = pdev;
2205 err = mpt_mapresources(ioc);
2206 if (err)
2207 return err;
2208
2209 if (ioc->dma_mask == DMA_BIT_MASK(64)) {
2210 if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078)
2211 ioc->add_sge = &mpt_add_sge_64bit_1078;
2212 else
2213 ioc->add_sge = &mpt_add_sge_64bit;
2214 ioc->add_chain = &mpt_add_chain_64bit;
2215 ioc->sg_addr_size = 8;
2216 } else {
2217
2218 ioc->add_sge = &mpt_add_sge;
2219 ioc->add_chain = &mpt_add_chain;
2220 ioc->sg_addr_size = 4;
2221 }
2222 ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size;
2223
2224 printk(MYIOC_s_INFO_FMT "pci-resume: ioc-state=0x%x,doorbell=0x%x\n",
2225 ioc->name, (mpt_GetIocState(ioc, 1) >> MPI_IOC_STATE_SHIFT),
2226 CHIPREG_READ32(&ioc->chip->Doorbell));
2227
2228 /*
2229 * Errata workaround for SAS pci express:
2230 * Upon returning to the D0 state, the contents of the doorbell will be
2231 * stale data, and this will incorrectly signal to the host driver that
2232 * the firmware is ready to process mpt commands. The workaround is
2233 * to issue a diagnostic reset.
2234 */
2235 if (ioc->bus_type == SAS && (pdev->device ==
2236 MPI_MANUFACTPAGE_DEVID_SAS1068E || pdev->device ==
2237 MPI_MANUFACTPAGE_DEVID_SAS1064E)) {
2238 if (KickStart(ioc, 1, CAN_SLEEP) < 0) {
2239 printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover\n",
2240 ioc->name);
2241 goto out;
2242 }
2243 }
2244
2245 /* bring ioc to operational state */
2246 printk(MYIOC_s_INFO_FMT "Sending mpt_do_ioc_recovery\n", ioc->name);
2247 recovery_state = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP,
2248 CAN_SLEEP);
2249 if (recovery_state != 0)
2250 printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover, "
2251 "error:[%x]\n", ioc->name, recovery_state);
2252 else
2253 printk(MYIOC_s_INFO_FMT
2254 "pci-resume: success\n", ioc->name);
2255 out:
2256 return 0;
2257
2258}
2259#endif
2260
2261static int
2262mpt_signal_reset(u8 index, MPT_ADAPTER *ioc, int reset_phase)
2263{
2264 if ((MptDriverClass[index] == MPTSPI_DRIVER &&
2265 ioc->bus_type != SPI) ||
2266 (MptDriverClass[index] == MPTFC_DRIVER &&
2267 ioc->bus_type != FC) ||
2268 (MptDriverClass[index] == MPTSAS_DRIVER &&
2269 ioc->bus_type != SAS))
2270 /* make sure we only call the relevant reset handler
2271 * for the bus */
2272 return 0;
2273 return (MptResetHandlers[index])(ioc, reset_phase);
2274}
2275
2276/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2277/**
2278 * mpt_do_ioc_recovery - Initialize or recover MPT adapter.
2279 * @ioc: Pointer to MPT adapter structure
2280 * @reason: Event word / reason
2281 * @sleepFlag: Use schedule if CAN_SLEEP else use udelay.
2282 *
2283 * This routine performs all the steps necessary to bring the IOC
2284 * to a OPERATIONAL state.
2285 *
2286 * This routine also pre-fetches the LAN MAC address of a Fibre Channel
2287 * MPT adapter.
2288 *
2289 * Returns:
2290 * 0 for success
2291 * -1 if failed to get board READY
2292 * -2 if READY but IOCFacts Failed
2293 * -3 if READY but PrimeIOCFifos Failed
2294 * -4 if READY but IOCInit Failed
2295 * -5 if failed to enable_device and/or request_selected_regions
2296 * -6 if failed to upload firmware
2297 */
2298static int
2299mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
2300{
2301 int hard_reset_done = 0;
2302 int alt_ioc_ready = 0;
2303 int hard;
2304 int rc=0;
2305 int ii;
2306 int ret = 0;
2307 int reset_alt_ioc_active = 0;
2308 int irq_allocated = 0;
2309 u8 *a;
2310
2311 printk(MYIOC_s_INFO_FMT "Initiating %s\n", ioc->name,
2312 reason == MPT_HOSTEVENT_IOC_BRINGUP ? "bringup" : "recovery");
2313
2314 /* Disable reply interrupts (also blocks FreeQ) */
2315 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
2316 ioc->active = 0;
2317
2318 if (ioc->alt_ioc) {
2319 if (ioc->alt_ioc->active ||
2320 reason == MPT_HOSTEVENT_IOC_RECOVER) {
2321 reset_alt_ioc_active = 1;
2322 /* Disable alt-IOC's reply interrupts
2323 * (and FreeQ) for a bit
2324 **/
2325 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask,
2326 0xFFFFFFFF);
2327 ioc->alt_ioc->active = 0;
2328 }
2329 }
2330
2331 hard = 1;
2332 if (reason == MPT_HOSTEVENT_IOC_BRINGUP)
2333 hard = 0;
2334
2335 if ((hard_reset_done = MakeIocReady(ioc, hard, sleepFlag)) < 0) {
2336 if (hard_reset_done == -4) {
2337 printk(MYIOC_s_WARN_FMT "Owned by PEER..skipping!\n",
2338 ioc->name);
2339
2340 if (reset_alt_ioc_active && ioc->alt_ioc) {
2341 /* (re)Enable alt-IOC! (reply interrupt, FreeQ) */
2342 dprintk(ioc, printk(MYIOC_s_INFO_FMT
2343 "alt_ioc reply irq re-enabled\n", ioc->alt_ioc->name));
2344 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, MPI_HIM_DIM);
2345 ioc->alt_ioc->active = 1;
2346 }
2347
2348 } else {
2349 printk(MYIOC_s_WARN_FMT
2350 "NOT READY WARNING!\n", ioc->name);
2351 }
2352 ret = -1;
2353 goto out;
2354 }
2355
2356 /* hard_reset_done = 0 if a soft reset was performed
2357 * and 1 if a hard reset was performed.
2358 */
2359 if (hard_reset_done && reset_alt_ioc_active && ioc->alt_ioc) {
2360 if ((rc = MakeIocReady(ioc->alt_ioc, 0, sleepFlag)) == 0)
2361 alt_ioc_ready = 1;
2362 else
2363 printk(MYIOC_s_WARN_FMT
2364 ": alt-ioc Not ready WARNING!\n",
2365 ioc->alt_ioc->name);
2366 }
2367
2368 for (ii=0; ii<5; ii++) {
2369 /* Get IOC facts! Allow 5 retries */
2370 if ((rc = GetIocFacts(ioc, sleepFlag, reason)) == 0)
2371 break;
2372 }
2373
2374
2375 if (ii == 5) {
2376 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2377 "Retry IocFacts failed rc=%x\n", ioc->name, rc));
2378 ret = -2;
2379 } else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
2380 MptDisplayIocCapabilities(ioc);
2381 }
2382
2383 if (alt_ioc_ready) {
2384 if ((rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason)) != 0) {
2385 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2386 "Initial Alt IocFacts failed rc=%x\n",
2387 ioc->name, rc));
2388 /* Retry - alt IOC was initialized once
2389 */
2390 rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason);
2391 }
2392 if (rc) {
2393 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2394 "Retry Alt IocFacts failed rc=%x\n", ioc->name, rc));
2395 alt_ioc_ready = 0;
2396 reset_alt_ioc_active = 0;
2397 } else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
2398 MptDisplayIocCapabilities(ioc->alt_ioc);
2399 }
2400 }
2401
2402 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP) &&
2403 (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)) {
2404 pci_release_selected_regions(ioc->pcidev, ioc->bars);
2405 ioc->bars = pci_select_bars(ioc->pcidev, IORESOURCE_MEM |
2406 IORESOURCE_IO);
2407 if (pci_enable_device(ioc->pcidev))
2408 return -5;
2409 if (pci_request_selected_regions(ioc->pcidev, ioc->bars,
2410 "mpt"))
2411 return -5;
2412 }
2413
2414 /*
2415 * Device is reset now. It must have de-asserted the interrupt line
2416 * (if it was asserted) and it should be safe to register for the
2417 * interrupt now.
2418 */
2419 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) {
2420 ioc->pci_irq = -1;
2421 if (ioc->pcidev->irq) {
2422 if (ioc->msi_enable && !pci_enable_msi(ioc->pcidev))
2423 printk(MYIOC_s_INFO_FMT "PCI-MSI enabled\n",
2424 ioc->name);
2425 else
2426 ioc->msi_enable = 0;
2427 rc = request_irq(ioc->pcidev->irq, mpt_interrupt,
2428 IRQF_SHARED, ioc->name, ioc);
2429 if (rc < 0) {
2430 printk(MYIOC_s_ERR_FMT "Unable to allocate "
2431 "interrupt %d!\n",
2432 ioc->name, ioc->pcidev->irq);
2433 if (ioc->msi_enable)
2434 pci_disable_msi(ioc->pcidev);
2435 ret = -EBUSY;
2436 goto out;
2437 }
2438 irq_allocated = 1;
2439 ioc->pci_irq = ioc->pcidev->irq;
2440 pci_set_master(ioc->pcidev); /* ?? */
2441 pci_set_drvdata(ioc->pcidev, ioc);
2442 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
2443 "installed at interrupt %d\n", ioc->name,
2444 ioc->pcidev->irq));
2445 }
2446 }
2447
2448 /* Prime reply & request queues!
2449 * (mucho alloc's) Must be done prior to
2450 * init as upper addresses are needed for init.
2451 * If fails, continue with alt-ioc processing
2452 */
2453 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "PrimeIocFifos\n",
2454 ioc->name));
2455 if ((ret == 0) && ((rc = PrimeIocFifos(ioc)) != 0))
2456 ret = -3;
2457
2458 /* May need to check/upload firmware & data here!
2459 * If fails, continue with alt-ioc processing
2460 */
2461 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "SendIocInit\n",
2462 ioc->name));
2463 if ((ret == 0) && ((rc = SendIocInit(ioc, sleepFlag)) != 0))
2464 ret = -4;
2465// NEW!
2466 if (alt_ioc_ready && ((rc = PrimeIocFifos(ioc->alt_ioc)) != 0)) {
2467 printk(MYIOC_s_WARN_FMT
2468 ": alt-ioc (%d) FIFO mgmt alloc WARNING!\n",
2469 ioc->alt_ioc->name, rc);
2470 alt_ioc_ready = 0;
2471 reset_alt_ioc_active = 0;
2472 }
2473
2474 if (alt_ioc_ready) {
2475 if ((rc = SendIocInit(ioc->alt_ioc, sleepFlag)) != 0) {
2476 alt_ioc_ready = 0;
2477 reset_alt_ioc_active = 0;
2478 printk(MYIOC_s_WARN_FMT
2479 ": alt-ioc: (%d) init failure WARNING!\n",
2480 ioc->alt_ioc->name, rc);
2481 }
2482 }
2483
2484 if (reason == MPT_HOSTEVENT_IOC_BRINGUP){
2485 if (ioc->upload_fw) {
2486 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2487 "firmware upload required!\n", ioc->name));
2488
2489 /* Controller is not operational, cannot do upload
2490 */
2491 if (ret == 0) {
2492 rc = mpt_do_upload(ioc, sleepFlag);
2493 if (rc == 0) {
2494 if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) {
2495 /*
2496 * Maintain only one pointer to FW memory
2497 * so there will not be two attempt to
2498 * downloadboot onboard dual function
2499 * chips (mpt_adapter_disable,
2500 * mpt_diag_reset)
2501 */
2502 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2503 "mpt_upload: alt_%s has cached_fw=%p \n",
2504 ioc->name, ioc->alt_ioc->name, ioc->alt_ioc->cached_fw));
2505 ioc->cached_fw = NULL;
2506 }
2507 } else {
2508 printk(MYIOC_s_WARN_FMT
2509 "firmware upload failure!\n", ioc->name);
2510 ret = -6;
2511 }
2512 }
2513 }
2514 }
2515
2516 /* Enable MPT base driver management of EventNotification
2517 * and EventAck handling.
2518 */
2519 if ((ret == 0) && (!ioc->facts.EventState)) {
2520 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
2521 "SendEventNotification\n",
2522 ioc->name));
2523 ret = SendEventNotification(ioc, 1, sleepFlag); /* 1=Enable */
2524 }
2525
2526 if (ioc->alt_ioc && alt_ioc_ready && !ioc->alt_ioc->facts.EventState)
2527 rc = SendEventNotification(ioc->alt_ioc, 1, sleepFlag);
2528
2529 if (ret == 0) {
2530 /* Enable! (reply interrupt) */
2531 CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
2532 ioc->active = 1;
2533 }
2534 if (rc == 0) { /* alt ioc */
2535 if (reset_alt_ioc_active && ioc->alt_ioc) {
2536 /* (re)Enable alt-IOC! (reply interrupt) */
2537 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "alt-ioc"
2538 "reply irq re-enabled\n",
2539 ioc->alt_ioc->name));
2540 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask,
2541 MPI_HIM_DIM);
2542 ioc->alt_ioc->active = 1;
2543 }
2544 }
2545
2546
2547 /* Add additional "reason" check before call to GetLanConfigPages
2548 * (combined with GetIoUnitPage2 call). This prevents a somewhat
2549 * recursive scenario; GetLanConfigPages times out, timer expired
2550 * routine calls HardResetHandler, which calls into here again,
2551 * and we try GetLanConfigPages again...
2552 */
2553 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) {
2554
2555 /*
2556 * Initialize link list for inactive raid volumes.
2557 */
2558 mutex_init(&ioc->raid_data.inactive_list_mutex);
2559 INIT_LIST_HEAD(&ioc->raid_data.inactive_list);
2560
2561 switch (ioc->bus_type) {
2562
2563 case SAS:
2564 /* clear persistency table */
2565 if(ioc->facts.IOCExceptions &
2566 MPI_IOCFACTS_EXCEPT_PERSISTENT_TABLE_FULL) {
2567 ret = mptbase_sas_persist_operation(ioc,
2568 MPI_SAS_OP_CLEAR_NOT_PRESENT);
2569 if(ret != 0)
2570 goto out;
2571 }
2572
2573 /* Find IM volumes
2574 */
2575 mpt_findImVolumes(ioc);
2576
2577 /* Check, and possibly reset, the coalescing value
2578 */
2579 mpt_read_ioc_pg_1(ioc);
2580
2581 break;
2582
2583 case FC:
2584 if ((ioc->pfacts[0].ProtocolFlags &
2585 MPI_PORTFACTS_PROTOCOL_LAN) &&
2586 (ioc->lan_cnfg_page0.Header.PageLength == 0)) {
2587 /*
2588 * Pre-fetch the ports LAN MAC address!
2589 * (LANPage1_t stuff)
2590 */
2591 (void) GetLanConfigPages(ioc);
2592 a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
2593 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2594 "LanAddr = %pMR\n", ioc->name, a));
2595 }
2596 break;
2597
2598 case SPI:
2599 /* Get NVRAM and adapter maximums from SPP 0 and 2
2600 */
2601 mpt_GetScsiPortSettings(ioc, 0);
2602
2603 /* Get version and length of SDP 1
2604 */
2605 mpt_readScsiDevicePageHeaders(ioc, 0);
2606
2607 /* Find IM volumes
2608 */
2609 if (ioc->facts.MsgVersion >= MPI_VERSION_01_02)
2610 mpt_findImVolumes(ioc);
2611
2612 /* Check, and possibly reset, the coalescing value
2613 */
2614 mpt_read_ioc_pg_1(ioc);
2615
2616 mpt_read_ioc_pg_4(ioc);
2617
2618 break;
2619 }
2620
2621 GetIoUnitPage2(ioc);
2622 mpt_get_manufacturing_pg_0(ioc);
2623 }
2624
2625 out:
2626 if ((ret != 0) && irq_allocated) {
2627 free_irq(ioc->pci_irq, ioc);
2628 if (ioc->msi_enable)
2629 pci_disable_msi(ioc->pcidev);
2630 }
2631 return ret;
2632}
2633
2634/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2635/**
2636 * mpt_detect_bound_ports - Search for matching PCI bus/dev_function
2637 * @ioc: Pointer to MPT adapter structure
2638 * @pdev: Pointer to (struct pci_dev) structure
2639 *
2640 * Search for PCI bus/dev_function which matches
2641 * PCI bus/dev_function (+/-1) for newly discovered 929,
2642 * 929X, 1030 or 1035.
2643 *
2644 * If match on PCI dev_function +/-1 is found, bind the two MPT adapters
2645 * using alt_ioc pointer fields in their %MPT_ADAPTER structures.
2646 */
2647static void
2648mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev)
2649{
2650 struct pci_dev *peer=NULL;
2651 unsigned int slot = PCI_SLOT(pdev->devfn);
2652 unsigned int func = PCI_FUNC(pdev->devfn);
2653 MPT_ADAPTER *ioc_srch;
2654
2655 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PCI device %s devfn=%x/%x,"
2656 " searching for devfn match on %x or %x\n",
2657 ioc->name, pci_name(pdev), pdev->bus->number,
2658 pdev->devfn, func-1, func+1));
2659
2660 peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func-1));
2661 if (!peer) {
2662 peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func+1));
2663 if (!peer)
2664 return;
2665 }
2666
2667 list_for_each_entry(ioc_srch, &ioc_list, list) {
2668 struct pci_dev *_pcidev = ioc_srch->pcidev;
2669 if (_pcidev == peer) {
2670 /* Paranoia checks */
2671 if (ioc->alt_ioc != NULL) {
2672 printk(MYIOC_s_WARN_FMT
2673 "Oops, already bound (%s <==> %s)!\n",
2674 ioc->name, ioc->name, ioc->alt_ioc->name);
2675 break;
2676 } else if (ioc_srch->alt_ioc != NULL) {
2677 printk(MYIOC_s_WARN_FMT
2678 "Oops, already bound (%s <==> %s)!\n",
2679 ioc_srch->name, ioc_srch->name,
2680 ioc_srch->alt_ioc->name);
2681 break;
2682 }
2683 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2684 "FOUND! binding %s <==> %s\n",
2685 ioc->name, ioc->name, ioc_srch->name));
2686 ioc_srch->alt_ioc = ioc;
2687 ioc->alt_ioc = ioc_srch;
2688 }
2689 }
2690 pci_dev_put(peer);
2691}
2692
2693/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2694/**
2695 * mpt_adapter_disable - Disable misbehaving MPT adapter.
2696 * @ioc: Pointer to MPT adapter structure
2697 */
2698static void
2699mpt_adapter_disable(MPT_ADAPTER *ioc)
2700{
2701 int sz;
2702 int ret;
2703
2704 if (ioc->cached_fw != NULL) {
2705 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2706 "%s: Pushing FW onto adapter\n", __func__, ioc->name));
2707 if ((ret = mpt_downloadboot(ioc, (MpiFwHeader_t *)
2708 ioc->cached_fw, CAN_SLEEP)) < 0) {
2709 printk(MYIOC_s_WARN_FMT
2710 ": firmware downloadboot failure (%d)!\n",
2711 ioc->name, ret);
2712 }
2713 }
2714
2715 /*
2716 * Put the controller into ready state (if its not already)
2717 */
2718 if (mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_READY) {
2719 if (!SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET,
2720 CAN_SLEEP)) {
2721 if (mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_READY)
2722 printk(MYIOC_s_ERR_FMT "%s: IOC msg unit "
2723 "reset failed to put ioc in ready state!\n",
2724 ioc->name, __func__);
2725 } else
2726 printk(MYIOC_s_ERR_FMT "%s: IOC msg unit reset "
2727 "failed!\n", ioc->name, __func__);
2728 }
2729
2730
2731 /* Disable adapter interrupts! */
2732 synchronize_irq(ioc->pcidev->irq);
2733 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
2734 ioc->active = 0;
2735
2736 /* Clear any lingering interrupt */
2737 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
2738 CHIPREG_READ32(&ioc->chip->IntStatus);
2739
2740 if (ioc->alloc != NULL) {
2741 sz = ioc->alloc_sz;
2742 dexitprintk(ioc, printk(MYIOC_s_INFO_FMT "free @ %p, sz=%d bytes\n",
2743 ioc->name, ioc->alloc, ioc->alloc_sz));
2744 pci_free_consistent(ioc->pcidev, sz,
2745 ioc->alloc, ioc->alloc_dma);
2746 ioc->reply_frames = NULL;
2747 ioc->req_frames = NULL;
2748 ioc->alloc = NULL;
2749 ioc->alloc_total -= sz;
2750 }
2751
2752 if (ioc->sense_buf_pool != NULL) {
2753 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
2754 pci_free_consistent(ioc->pcidev, sz,
2755 ioc->sense_buf_pool, ioc->sense_buf_pool_dma);
2756 ioc->sense_buf_pool = NULL;
2757 ioc->alloc_total -= sz;
2758 }
2759
2760 if (ioc->events != NULL){
2761 sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS);
2762 kfree(ioc->events);
2763 ioc->events = NULL;
2764 ioc->alloc_total -= sz;
2765 }
2766
2767 mpt_free_fw_memory(ioc);
2768
2769 kfree(ioc->spi_data.nvram);
2770 mpt_inactive_raid_list_free(ioc);
2771 kfree(ioc->raid_data.pIocPg2);
2772 kfree(ioc->raid_data.pIocPg3);
2773 ioc->spi_data.nvram = NULL;
2774 ioc->raid_data.pIocPg3 = NULL;
2775
2776 if (ioc->spi_data.pIocPg4 != NULL) {
2777 sz = ioc->spi_data.IocPg4Sz;
2778 pci_free_consistent(ioc->pcidev, sz,
2779 ioc->spi_data.pIocPg4,
2780 ioc->spi_data.IocPg4_dma);
2781 ioc->spi_data.pIocPg4 = NULL;
2782 ioc->alloc_total -= sz;
2783 }
2784
2785 if (ioc->ReqToChain != NULL) {
2786 kfree(ioc->ReqToChain);
2787 kfree(ioc->RequestNB);
2788 ioc->ReqToChain = NULL;
2789 }
2790
2791 kfree(ioc->ChainToChain);
2792 ioc->ChainToChain = NULL;
2793
2794 if (ioc->HostPageBuffer != NULL) {
2795 if((ret = mpt_host_page_access_control(ioc,
2796 MPI_DB_HPBAC_FREE_BUFFER, NO_SLEEP)) != 0) {
2797 printk(MYIOC_s_ERR_FMT
2798 ": %s: host page buffers free failed (%d)!\n",
2799 ioc->name, __func__, ret);
2800 }
2801 dexitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2802 "HostPageBuffer free @ %p, sz=%d bytes\n",
2803 ioc->name, ioc->HostPageBuffer,
2804 ioc->HostPageBuffer_sz));
2805 pci_free_consistent(ioc->pcidev, ioc->HostPageBuffer_sz,
2806 ioc->HostPageBuffer, ioc->HostPageBuffer_dma);
2807 ioc->HostPageBuffer = NULL;
2808 ioc->HostPageBuffer_sz = 0;
2809 ioc->alloc_total -= ioc->HostPageBuffer_sz;
2810 }
2811
2812 pci_set_drvdata(ioc->pcidev, NULL);
2813}
2814/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2815/**
2816 * mpt_adapter_dispose - Free all resources associated with an MPT adapter
2817 * @ioc: Pointer to MPT adapter structure
2818 *
2819 * This routine unregisters h/w resources and frees all alloc'd memory
2820 * associated with a MPT adapter structure.
2821 */
2822static void
2823mpt_adapter_dispose(MPT_ADAPTER *ioc)
2824{
2825 int sz_first, sz_last;
2826
2827 if (ioc == NULL)
2828 return;
2829
2830 sz_first = ioc->alloc_total;
2831
2832 mpt_adapter_disable(ioc);
2833
2834 if (ioc->pci_irq != -1) {
2835 free_irq(ioc->pci_irq, ioc);
2836 if (ioc->msi_enable)
2837 pci_disable_msi(ioc->pcidev);
2838 ioc->pci_irq = -1;
2839 }
2840
2841 if (ioc->memmap != NULL) {
2842 iounmap(ioc->memmap);
2843 ioc->memmap = NULL;
2844 }
2845
2846 pci_disable_device(ioc->pcidev);
2847 pci_release_selected_regions(ioc->pcidev, ioc->bars);
2848
2849 /* Zap the adapter lookup ptr! */
2850 list_del(&ioc->list);
2851
2852 sz_last = ioc->alloc_total;
2853 dprintk(ioc, printk(MYIOC_s_INFO_FMT "free'd %d of %d bytes\n",
2854 ioc->name, sz_first-sz_last+(int)sizeof(*ioc), sz_first));
2855
2856 if (ioc->alt_ioc)
2857 ioc->alt_ioc->alt_ioc = NULL;
2858
2859 kfree(ioc);
2860}
2861
2862/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2863/**
2864 * MptDisplayIocCapabilities - Disply IOC's capabilities.
2865 * @ioc: Pointer to MPT adapter structure
2866 */
2867static void
2868MptDisplayIocCapabilities(MPT_ADAPTER *ioc)
2869{
2870 int i = 0;
2871
2872 printk(KERN_INFO "%s: ", ioc->name);
2873 if (ioc->prod_name)
2874 pr_cont("%s: ", ioc->prod_name);
2875 pr_cont("Capabilities={");
2876
2877 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_INITIATOR) {
2878 pr_cont("Initiator");
2879 i++;
2880 }
2881
2882 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) {
2883 pr_cont("%sTarget", i ? "," : "");
2884 i++;
2885 }
2886
2887 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) {
2888 pr_cont("%sLAN", i ? "," : "");
2889 i++;
2890 }
2891
2892#if 0
2893 /*
2894 * This would probably evoke more questions than it's worth
2895 */
2896 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) {
2897 pr_cont("%sLogBusAddr", i ? "," : "");
2898 i++;
2899 }
2900#endif
2901
2902 pr_cont("}\n");
2903}
2904
2905/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2906/**
2907 * MakeIocReady - Get IOC to a READY state, using KickStart if needed.
2908 * @ioc: Pointer to MPT_ADAPTER structure
2909 * @force: Force hard KickStart of IOC
2910 * @sleepFlag: Specifies whether the process can sleep
2911 *
2912 * Returns:
2913 * 1 - DIAG reset and READY
2914 * 0 - READY initially OR soft reset and READY
2915 * -1 - Any failure on KickStart
2916 * -2 - Msg Unit Reset Failed
2917 * -3 - IO Unit Reset Failed
2918 * -4 - IOC owned by a PEER
2919 */
2920static int
2921MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag)
2922{
2923 u32 ioc_state;
2924 int statefault = 0;
2925 int cntdn;
2926 int hard_reset_done = 0;
2927 int r;
2928 int ii;
2929 int whoinit;
2930
2931 /* Get current [raw] IOC state */
2932 ioc_state = mpt_GetIocState(ioc, 0);
2933 dhsprintk(ioc, printk(MYIOC_s_INFO_FMT "MakeIocReady [raw] state=%08x\n", ioc->name, ioc_state));
2934
2935 /*
2936 * Check to see if IOC got left/stuck in doorbell handshake
2937 * grip of death. If so, hard reset the IOC.
2938 */
2939 if (ioc_state & MPI_DOORBELL_ACTIVE) {
2940 statefault = 1;
2941 printk(MYIOC_s_WARN_FMT "Unexpected doorbell active!\n",
2942 ioc->name);
2943 }
2944
2945 /* Is it already READY? */
2946 if (!statefault &&
2947 ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_READY)) {
2948 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
2949 "IOC is in READY state\n", ioc->name));
2950 return 0;
2951 }
2952
2953 /*
2954 * Check to see if IOC is in FAULT state.
2955 */
2956 if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) {
2957 statefault = 2;
2958 printk(MYIOC_s_WARN_FMT "IOC is in FAULT state!!!\n",
2959 ioc->name);
2960 printk(MYIOC_s_WARN_FMT " FAULT code = %04xh\n",
2961 ioc->name, ioc_state & MPI_DOORBELL_DATA_MASK);
2962 }
2963
2964 /*
2965 * Hmmm... Did it get left operational?
2966 */
2967 if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_OPERATIONAL) {
2968 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOC operational unexpected\n",
2969 ioc->name));
2970
2971 /* Check WhoInit.
2972 * If PCI Peer, exit.
2973 * Else, if no fault conditions are present, issue a MessageUnitReset
2974 * Else, fall through to KickStart case
2975 */
2976 whoinit = (ioc_state & MPI_DOORBELL_WHO_INIT_MASK) >> MPI_DOORBELL_WHO_INIT_SHIFT;
2977 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
2978 "whoinit 0x%x statefault %d force %d\n",
2979 ioc->name, whoinit, statefault, force));
2980 if (whoinit == MPI_WHOINIT_PCI_PEER)
2981 return -4;
2982 else {
2983 if ((statefault == 0 ) && (force == 0)) {
2984 if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) == 0)
2985 return 0;
2986 }
2987 statefault = 3;
2988 }
2989 }
2990
2991 hard_reset_done = KickStart(ioc, statefault||force, sleepFlag);
2992 if (hard_reset_done < 0)
2993 return -1;
2994
2995 /*
2996 * Loop here waiting for IOC to come READY.
2997 */
2998 ii = 0;
2999 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 5; /* 5 seconds */
3000
3001 while ((ioc_state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) {
3002 if (ioc_state == MPI_IOC_STATE_OPERATIONAL) {
3003 /*
3004 * BIOS or previous driver load left IOC in OP state.
3005 * Reset messaging FIFOs.
3006 */
3007 if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) != 0) {
3008 printk(MYIOC_s_ERR_FMT "IOC msg unit reset failed!\n", ioc->name);
3009 return -2;
3010 }
3011 } else if (ioc_state == MPI_IOC_STATE_RESET) {
3012 /*
3013 * Something is wrong. Try to get IOC back
3014 * to a known state.
3015 */
3016 if ((r = SendIocReset(ioc, MPI_FUNCTION_IO_UNIT_RESET, sleepFlag)) != 0) {
3017 printk(MYIOC_s_ERR_FMT "IO unit reset failed!\n", ioc->name);
3018 return -3;
3019 }
3020 }
3021
3022 ii++; cntdn--;
3023 if (!cntdn) {
3024 printk(MYIOC_s_ERR_FMT
3025 "Wait IOC_READY state (0x%x) timeout(%d)!\n",
3026 ioc->name, ioc_state, (int)((ii+5)/HZ));
3027 return -ETIME;
3028 }
3029
3030 if (sleepFlag == CAN_SLEEP) {
3031 msleep(1);
3032 } else {
3033 mdelay (1); /* 1 msec delay */
3034 }
3035
3036 }
3037
3038 if (statefault < 3) {
3039 printk(MYIOC_s_INFO_FMT "Recovered from %s\n", ioc->name,
3040 statefault == 1 ? "stuck handshake" : "IOC FAULT");
3041 }
3042
3043 return hard_reset_done;
3044}
3045
3046/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3047/**
3048 * mpt_GetIocState - Get the current state of a MPT adapter.
3049 * @ioc: Pointer to MPT_ADAPTER structure
3050 * @cooked: Request raw or cooked IOC state
3051 *
3052 * Returns all IOC Doorbell register bits if cooked==0, else just the
3053 * Doorbell bits in MPI_IOC_STATE_MASK.
3054 */
3055u32
3056mpt_GetIocState(MPT_ADAPTER *ioc, int cooked)
3057{
3058 u32 s, sc;
3059
3060 /* Get! */
3061 s = CHIPREG_READ32(&ioc->chip->Doorbell);
3062 sc = s & MPI_IOC_STATE_MASK;
3063
3064 /* Save! */
3065 ioc->last_state = sc;
3066
3067 return cooked ? sc : s;
3068}
3069
3070/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3071/**
3072 * GetIocFacts - Send IOCFacts request to MPT adapter.
3073 * @ioc: Pointer to MPT_ADAPTER structure
3074 * @sleepFlag: Specifies whether the process can sleep
3075 * @reason: If recovery, only update facts.
3076 *
3077 * Returns 0 for success, non-zero for failure.
3078 */
3079static int
3080GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason)
3081{
3082 IOCFacts_t get_facts;
3083 IOCFactsReply_t *facts;
3084 int r;
3085 int req_sz;
3086 int reply_sz;
3087 int sz;
3088 u32 status, vv;
3089 u8 shiftFactor=1;
3090
3091 /* IOC *must* NOT be in RESET state! */
3092 if (ioc->last_state == MPI_IOC_STATE_RESET) {
3093 printk(KERN_ERR MYNAM
3094 ": ERROR - Can't get IOCFacts, %s NOT READY! (%08x)\n",
3095 ioc->name, ioc->last_state);
3096 return -44;
3097 }
3098
3099 facts = &ioc->facts;
3100
3101 /* Destination (reply area)... */
3102 reply_sz = sizeof(*facts);
3103 memset(facts, 0, reply_sz);
3104
3105 /* Request area (get_facts on the stack right now!) */
3106 req_sz = sizeof(get_facts);
3107 memset(&get_facts, 0, req_sz);
3108
3109 get_facts.Function = MPI_FUNCTION_IOC_FACTS;
3110 /* Assert: All other get_facts fields are zero! */
3111
3112 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3113 "Sending get IocFacts request req_sz=%d reply_sz=%d\n",
3114 ioc->name, req_sz, reply_sz));
3115
3116 /* No non-zero fields in the get_facts request are greater than
3117 * 1 byte in size, so we can just fire it off as is.
3118 */
3119 r = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_facts,
3120 reply_sz, (u16*)facts, 5 /*seconds*/, sleepFlag);
3121 if (r != 0)
3122 return r;
3123
3124 /*
3125 * Now byte swap (GRRR) the necessary fields before any further
3126 * inspection of reply contents.
3127 *
3128 * But need to do some sanity checks on MsgLength (byte) field
3129 * to make sure we don't zero IOC's req_sz!
3130 */
3131 /* Did we get a valid reply? */
3132 if (facts->MsgLength > offsetof(IOCFactsReply_t, RequestFrameSize)/sizeof(u32)) {
3133 if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
3134 /*
3135 * If not been here, done that, save off first WhoInit value
3136 */
3137 if (ioc->FirstWhoInit == WHOINIT_UNKNOWN)
3138 ioc->FirstWhoInit = facts->WhoInit;
3139 }
3140
3141 facts->MsgVersion = le16_to_cpu(facts->MsgVersion);
3142 facts->MsgContext = le32_to_cpu(facts->MsgContext);
3143 facts->IOCExceptions = le16_to_cpu(facts->IOCExceptions);
3144 facts->IOCStatus = le16_to_cpu(facts->IOCStatus);
3145 facts->IOCLogInfo = le32_to_cpu(facts->IOCLogInfo);
3146 status = le16_to_cpu(facts->IOCStatus) & MPI_IOCSTATUS_MASK;
3147 /* CHECKME! IOCStatus, IOCLogInfo */
3148
3149 facts->ReplyQueueDepth = le16_to_cpu(facts->ReplyQueueDepth);
3150 facts->RequestFrameSize = le16_to_cpu(facts->RequestFrameSize);
3151
3152 /*
3153 * FC f/w version changed between 1.1 and 1.2
3154 * Old: u16{Major(4),Minor(4),SubMinor(8)}
3155 * New: u32{Major(8),Minor(8),Unit(8),Dev(8)}
3156 */
3157 if (facts->MsgVersion < MPI_VERSION_01_02) {
3158 /*
3159 * Handle old FC f/w style, convert to new...
3160 */
3161 u16 oldv = le16_to_cpu(facts->Reserved_0101_FWVersion);
3162 facts->FWVersion.Word =
3163 ((oldv<<12) & 0xFF000000) |
3164 ((oldv<<8) & 0x000FFF00);
3165 } else
3166 facts->FWVersion.Word = le32_to_cpu(facts->FWVersion.Word);
3167
3168 facts->ProductID = le16_to_cpu(facts->ProductID);
3169
3170 if ((ioc->facts.ProductID & MPI_FW_HEADER_PID_PROD_MASK)
3171 > MPI_FW_HEADER_PID_PROD_TARGET_SCSI)
3172 ioc->ir_firmware = 1;
3173
3174 facts->CurrentHostMfaHighAddr =
3175 le32_to_cpu(facts->CurrentHostMfaHighAddr);
3176 facts->GlobalCredits = le16_to_cpu(facts->GlobalCredits);
3177 facts->CurrentSenseBufferHighAddr =
3178 le32_to_cpu(facts->CurrentSenseBufferHighAddr);
3179 facts->CurReplyFrameSize =
3180 le16_to_cpu(facts->CurReplyFrameSize);
3181 facts->IOCCapabilities = le32_to_cpu(facts->IOCCapabilities);
3182
3183 /*
3184 * Handle NEW (!) IOCFactsReply fields in MPI-1.01.xx
3185 * Older MPI-1.00.xx struct had 13 dwords, and enlarged
3186 * to 14 in MPI-1.01.0x.
3187 */
3188 if (facts->MsgLength >= (offsetof(IOCFactsReply_t,FWImageSize) + 7)/4 &&
3189 facts->MsgVersion > MPI_VERSION_01_00) {
3190 facts->FWImageSize = le32_to_cpu(facts->FWImageSize);
3191 }
3192
3193 facts->FWImageSize = ALIGN(facts->FWImageSize, 4);
3194
3195 if (!facts->RequestFrameSize) {
3196 /* Something is wrong! */
3197 printk(MYIOC_s_ERR_FMT "IOC reported invalid 0 request size!\n",
3198 ioc->name);
3199 return -55;
3200 }
3201
3202 r = sz = facts->BlockSize;
3203 vv = ((63 / (sz * 4)) + 1) & 0x03;
3204 ioc->NB_for_64_byte_frame = vv;
3205 while ( sz )
3206 {
3207 shiftFactor++;
3208 sz = sz >> 1;
3209 }
3210 ioc->NBShiftFactor = shiftFactor;
3211 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3212 "NB_for_64_byte_frame=%x NBShiftFactor=%x BlockSize=%x\n",
3213 ioc->name, vv, shiftFactor, r));
3214
3215 if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
3216 /*
3217 * Set values for this IOC's request & reply frame sizes,
3218 * and request & reply queue depths...
3219 */
3220 ioc->req_sz = min(MPT_DEFAULT_FRAME_SIZE, facts->RequestFrameSize * 4);
3221 ioc->req_depth = min_t(int, MPT_MAX_REQ_DEPTH, facts->GlobalCredits);
3222 ioc->reply_sz = MPT_REPLY_FRAME_SIZE;
3223 ioc->reply_depth = min_t(int, MPT_DEFAULT_REPLY_DEPTH, facts->ReplyQueueDepth);
3224
3225 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "reply_sz=%3d, reply_depth=%4d\n",
3226 ioc->name, ioc->reply_sz, ioc->reply_depth));
3227 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "req_sz =%3d, req_depth =%4d\n",
3228 ioc->name, ioc->req_sz, ioc->req_depth));
3229
3230 /* Get port facts! */
3231 if ( (r = GetPortFacts(ioc, 0, sleepFlag)) != 0 )
3232 return r;
3233 }
3234 } else {
3235 printk(MYIOC_s_ERR_FMT
3236 "Invalid IOC facts reply, msgLength=%d offsetof=%zd!\n",
3237 ioc->name, facts->MsgLength, (offsetof(IOCFactsReply_t,
3238 RequestFrameSize)/sizeof(u32)));
3239 return -66;
3240 }
3241
3242 return 0;
3243}
3244
3245/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3246/**
3247 * GetPortFacts - Send PortFacts request to MPT adapter.
3248 * @ioc: Pointer to MPT_ADAPTER structure
3249 * @portnum: Port number
3250 * @sleepFlag: Specifies whether the process can sleep
3251 *
3252 * Returns 0 for success, non-zero for failure.
3253 */
3254static int
3255GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag)
3256{
3257 PortFacts_t get_pfacts;
3258 PortFactsReply_t *pfacts;
3259 int ii;
3260 int req_sz;
3261 int reply_sz;
3262 int max_id;
3263
3264 /* IOC *must* NOT be in RESET state! */
3265 if (ioc->last_state == MPI_IOC_STATE_RESET) {
3266 printk(MYIOC_s_ERR_FMT "Can't get PortFacts NOT READY! (%08x)\n",
3267 ioc->name, ioc->last_state );
3268 return -4;
3269 }
3270
3271 pfacts = &ioc->pfacts[portnum];
3272
3273 /* Destination (reply area)... */
3274 reply_sz = sizeof(*pfacts);
3275 memset(pfacts, 0, reply_sz);
3276
3277 /* Request area (get_pfacts on the stack right now!) */
3278 req_sz = sizeof(get_pfacts);
3279 memset(&get_pfacts, 0, req_sz);
3280
3281 get_pfacts.Function = MPI_FUNCTION_PORT_FACTS;
3282 get_pfacts.PortNumber = portnum;
3283 /* Assert: All other get_pfacts fields are zero! */
3284
3285 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending get PortFacts(%d) request\n",
3286 ioc->name, portnum));
3287
3288 /* No non-zero fields in the get_pfacts request are greater than
3289 * 1 byte in size, so we can just fire it off as is.
3290 */
3291 ii = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_pfacts,
3292 reply_sz, (u16*)pfacts, 5 /*seconds*/, sleepFlag);
3293 if (ii != 0)
3294 return ii;
3295
3296 /* Did we get a valid reply? */
3297
3298 /* Now byte swap the necessary fields in the response. */
3299 pfacts->MsgContext = le32_to_cpu(pfacts->MsgContext);
3300 pfacts->IOCStatus = le16_to_cpu(pfacts->IOCStatus);
3301 pfacts->IOCLogInfo = le32_to_cpu(pfacts->IOCLogInfo);
3302 pfacts->MaxDevices = le16_to_cpu(pfacts->MaxDevices);
3303 pfacts->PortSCSIID = le16_to_cpu(pfacts->PortSCSIID);
3304 pfacts->ProtocolFlags = le16_to_cpu(pfacts->ProtocolFlags);
3305 pfacts->MaxPostedCmdBuffers = le16_to_cpu(pfacts->MaxPostedCmdBuffers);
3306 pfacts->MaxPersistentIDs = le16_to_cpu(pfacts->MaxPersistentIDs);
3307 pfacts->MaxLanBuckets = le16_to_cpu(pfacts->MaxLanBuckets);
3308
3309 max_id = (ioc->bus_type == SAS) ? pfacts->PortSCSIID :
3310 pfacts->MaxDevices;
3311 ioc->devices_per_bus = (max_id > 255) ? 256 : max_id;
3312 ioc->number_of_buses = (ioc->devices_per_bus < 256) ? 1 : max_id/256;
3313
3314 /*
3315 * Place all the devices on channels
3316 *
3317 * (for debuging)
3318 */
3319 if (mpt_channel_mapping) {
3320 ioc->devices_per_bus = 1;
3321 ioc->number_of_buses = (max_id > 255) ? 255 : max_id;
3322 }
3323
3324 return 0;
3325}
3326
3327/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3328/**
3329 * SendIocInit - Send IOCInit request to MPT adapter.
3330 * @ioc: Pointer to MPT_ADAPTER structure
3331 * @sleepFlag: Specifies whether the process can sleep
3332 *
3333 * Send IOCInit followed by PortEnable to bring IOC to OPERATIONAL state.
3334 *
3335 * Returns 0 for success, non-zero for failure.
3336 */
3337static int
3338SendIocInit(MPT_ADAPTER *ioc, int sleepFlag)
3339{
3340 IOCInit_t ioc_init;
3341 MPIDefaultReply_t init_reply;
3342 u32 state;
3343 int r;
3344 int count;
3345 int cntdn;
3346
3347 memset(&ioc_init, 0, sizeof(ioc_init));
3348 memset(&init_reply, 0, sizeof(init_reply));
3349
3350 ioc_init.WhoInit = MPI_WHOINIT_HOST_DRIVER;
3351 ioc_init.Function = MPI_FUNCTION_IOC_INIT;
3352
3353 /* If we are in a recovery mode and we uploaded the FW image,
3354 * then this pointer is not NULL. Skip the upload a second time.
3355 * Set this flag if cached_fw set for either IOC.
3356 */
3357 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)
3358 ioc->upload_fw = 1;
3359 else
3360 ioc->upload_fw = 0;
3361 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "upload_fw %d facts.Flags=%x\n",
3362 ioc->name, ioc->upload_fw, ioc->facts.Flags));
3363
3364 ioc_init.MaxDevices = (U8)ioc->devices_per_bus;
3365 ioc_init.MaxBuses = (U8)ioc->number_of_buses;
3366
3367 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "facts.MsgVersion=%x\n",
3368 ioc->name, ioc->facts.MsgVersion));
3369 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05) {
3370 // set MsgVersion and HeaderVersion host driver was built with
3371 ioc_init.MsgVersion = cpu_to_le16(MPI_VERSION);
3372 ioc_init.HeaderVersion = cpu_to_le16(MPI_HEADER_VERSION);
3373
3374 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_HOST_PAGE_BUFFER_PERSISTENT) {
3375 ioc_init.HostPageBufferSGE = ioc->facts.HostPageBufferSGE;
3376 } else if(mpt_host_page_alloc(ioc, &ioc_init))
3377 return -99;
3378 }
3379 ioc_init.ReplyFrameSize = cpu_to_le16(ioc->reply_sz); /* in BYTES */
3380
3381 if (ioc->sg_addr_size == sizeof(u64)) {
3382 /* Save the upper 32-bits of the request
3383 * (reply) and sense buffers.
3384 */
3385 ioc_init.HostMfaHighAddr = cpu_to_le32((u32)((u64)ioc->alloc_dma >> 32));
3386 ioc_init.SenseBufferHighAddr = cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32));
3387 } else {
3388 /* Force 32-bit addressing */
3389 ioc_init.HostMfaHighAddr = cpu_to_le32(0);
3390 ioc_init.SenseBufferHighAddr = cpu_to_le32(0);
3391 }
3392
3393 ioc->facts.CurrentHostMfaHighAddr = ioc_init.HostMfaHighAddr;
3394 ioc->facts.CurrentSenseBufferHighAddr = ioc_init.SenseBufferHighAddr;
3395 ioc->facts.MaxDevices = ioc_init.MaxDevices;
3396 ioc->facts.MaxBuses = ioc_init.MaxBuses;
3397
3398 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOCInit (req @ %p)\n",
3399 ioc->name, &ioc_init));
3400
3401 r = mpt_handshake_req_reply_wait(ioc, sizeof(IOCInit_t), (u32*)&ioc_init,
3402 sizeof(MPIDefaultReply_t), (u16*)&init_reply, 10 /*seconds*/, sleepFlag);
3403 if (r != 0) {
3404 printk(MYIOC_s_ERR_FMT "Sending IOCInit failed(%d)!\n",ioc->name, r);
3405 return r;
3406 }
3407
3408 /* No need to byte swap the multibyte fields in the reply
3409 * since we don't even look at its contents.
3410 */
3411
3412 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending PortEnable (req @ %p)\n",
3413 ioc->name, &ioc_init));
3414
3415 if ((r = SendPortEnable(ioc, 0, sleepFlag)) != 0) {
3416 printk(MYIOC_s_ERR_FMT "Sending PortEnable failed(%d)!\n",ioc->name, r);
3417 return r;
3418 }
3419
3420 /* YIKES! SUPER IMPORTANT!!!
3421 * Poll IocState until _OPERATIONAL while IOC is doing
3422 * LoopInit and TargetDiscovery!
3423 */
3424 count = 0;
3425 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 60; /* 60 seconds */
3426 state = mpt_GetIocState(ioc, 1);
3427 while (state != MPI_IOC_STATE_OPERATIONAL && --cntdn) {
3428 if (sleepFlag == CAN_SLEEP) {
3429 msleep(1);
3430 } else {
3431 mdelay(1);
3432 }
3433
3434 if (!cntdn) {
3435 printk(MYIOC_s_ERR_FMT "Wait IOC_OP state timeout(%d)!\n",
3436 ioc->name, (int)((count+5)/HZ));
3437 return -9;
3438 }
3439
3440 state = mpt_GetIocState(ioc, 1);
3441 count++;
3442 }
3443 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wait IOC_OPERATIONAL state (cnt=%d)\n",
3444 ioc->name, count));
3445
3446 ioc->aen_event_read_flag=0;
3447 return r;
3448}
3449
3450/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3451/**
3452 * SendPortEnable - Send PortEnable request to MPT adapter port.
3453 * @ioc: Pointer to MPT_ADAPTER structure
3454 * @portnum: Port number to enable
3455 * @sleepFlag: Specifies whether the process can sleep
3456 *
3457 * Send PortEnable to bring IOC to OPERATIONAL state.
3458 *
3459 * Returns 0 for success, non-zero for failure.
3460 */
3461static int
3462SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag)
3463{
3464 PortEnable_t port_enable;
3465 MPIDefaultReply_t reply_buf;
3466 int rc;
3467 int req_sz;
3468 int reply_sz;
3469
3470 /* Destination... */
3471 reply_sz = sizeof(MPIDefaultReply_t);
3472 memset(&reply_buf, 0, reply_sz);
3473
3474 req_sz = sizeof(PortEnable_t);
3475 memset(&port_enable, 0, req_sz);
3476
3477 port_enable.Function = MPI_FUNCTION_PORT_ENABLE;
3478 port_enable.PortNumber = portnum;
3479/* port_enable.ChainOffset = 0; */
3480/* port_enable.MsgFlags = 0; */
3481/* port_enable.MsgContext = 0; */
3482
3483 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Port(%d)Enable (req @ %p)\n",
3484 ioc->name, portnum, &port_enable));
3485
3486 /* RAID FW may take a long time to enable
3487 */
3488 if (ioc->ir_firmware || ioc->bus_type == SAS) {
3489 rc = mpt_handshake_req_reply_wait(ioc, req_sz,
3490 (u32*)&port_enable, reply_sz, (u16*)&reply_buf,
3491 300 /*seconds*/, sleepFlag);
3492 } else {
3493 rc = mpt_handshake_req_reply_wait(ioc, req_sz,
3494 (u32*)&port_enable, reply_sz, (u16*)&reply_buf,
3495 30 /*seconds*/, sleepFlag);
3496 }
3497 return rc;
3498}
3499
3500/**
3501 * mpt_alloc_fw_memory - allocate firmware memory
3502 * @ioc: Pointer to MPT_ADAPTER structure
3503 * @size: total FW bytes
3504 *
3505 * If memory has already been allocated, the same (cached) value
3506 * is returned.
3507 *
3508 * Return 0 if successful, or non-zero for failure
3509 **/
3510int
3511mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size)
3512{
3513 int rc;
3514
3515 if (ioc->cached_fw) {
3516 rc = 0; /* use already allocated memory */
3517 goto out;
3518 }
3519 else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) {
3520 ioc->cached_fw = ioc->alt_ioc->cached_fw; /* use alt_ioc's memory */
3521 ioc->cached_fw_dma = ioc->alt_ioc->cached_fw_dma;
3522 rc = 0;
3523 goto out;
3524 }
3525 ioc->cached_fw = pci_alloc_consistent(ioc->pcidev, size, &ioc->cached_fw_dma);
3526 if (!ioc->cached_fw) {
3527 printk(MYIOC_s_ERR_FMT "Unable to allocate memory for the cached firmware image!\n",
3528 ioc->name);
3529 rc = -1;
3530 } else {
3531 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FW Image @ %p[%p], sz=%d[%x] bytes\n",
3532 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, size, size));
3533 ioc->alloc_total += size;
3534 rc = 0;
3535 }
3536 out:
3537 return rc;
3538}
3539
3540/**
3541 * mpt_free_fw_memory - free firmware memory
3542 * @ioc: Pointer to MPT_ADAPTER structure
3543 *
3544 * If alt_img is NULL, delete from ioc structure.
3545 * Else, delete a secondary image in same format.
3546 **/
3547void
3548mpt_free_fw_memory(MPT_ADAPTER *ioc)
3549{
3550 int sz;
3551
3552 if (!ioc->cached_fw)
3553 return;
3554
3555 sz = ioc->facts.FWImageSize;
3556 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "free_fw_memory: FW Image @ %p[%p], sz=%d[%x] bytes\n",
3557 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz));
3558 pci_free_consistent(ioc->pcidev, sz, ioc->cached_fw, ioc->cached_fw_dma);
3559 ioc->alloc_total -= sz;
3560 ioc->cached_fw = NULL;
3561}
3562
3563/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3564/**
3565 * mpt_do_upload - Construct and Send FWUpload request to MPT adapter port.
3566 * @ioc: Pointer to MPT_ADAPTER structure
3567 * @sleepFlag: Specifies whether the process can sleep
3568 *
3569 * Returns 0 for success, >0 for handshake failure
3570 * <0 for fw upload failure.
3571 *
3572 * Remark: If bound IOC and a successful FWUpload was performed
3573 * on the bound IOC, the second image is discarded
3574 * and memory is free'd. Both channels must upload to prevent
3575 * IOC from running in degraded mode.
3576 */
3577static int
3578mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag)
3579{
3580 u8 reply[sizeof(FWUploadReply_t)];
3581 FWUpload_t *prequest;
3582 FWUploadReply_t *preply;
3583 FWUploadTCSGE_t *ptcsge;
3584 u32 flagsLength;
3585 int ii, sz, reply_sz;
3586 int cmdStatus;
3587 int request_size;
3588 /* If the image size is 0, we are done.
3589 */
3590 if ((sz = ioc->facts.FWImageSize) == 0)
3591 return 0;
3592
3593 if (mpt_alloc_fw_memory(ioc, ioc->facts.FWImageSize) != 0)
3594 return -ENOMEM;
3595
3596 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": FW Image @ %p[%p], sz=%d[%x] bytes\n",
3597 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz));
3598
3599 prequest = (sleepFlag == NO_SLEEP) ? kzalloc(ioc->req_sz, GFP_ATOMIC) :
3600 kzalloc(ioc->req_sz, GFP_KERNEL);
3601 if (!prequest) {
3602 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "fw upload failed "
3603 "while allocating memory \n", ioc->name));
3604 mpt_free_fw_memory(ioc);
3605 return -ENOMEM;
3606 }
3607
3608 preply = (FWUploadReply_t *)&reply;
3609
3610 reply_sz = sizeof(reply);
3611 memset(preply, 0, reply_sz);
3612
3613 prequest->ImageType = MPI_FW_UPLOAD_ITYPE_FW_IOC_MEM;
3614 prequest->Function = MPI_FUNCTION_FW_UPLOAD;
3615
3616 ptcsge = (FWUploadTCSGE_t *) &prequest->SGL;
3617 ptcsge->DetailsLength = 12;
3618 ptcsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT;
3619 ptcsge->ImageSize = cpu_to_le32(sz);
3620 ptcsge++;
3621
3622 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ | sz;
3623 ioc->add_sge((char *)ptcsge, flagsLength, ioc->cached_fw_dma);
3624 request_size = offsetof(FWUpload_t, SGL) + sizeof(FWUploadTCSGE_t) +
3625 ioc->SGE_size;
3626 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending FW Upload "
3627 " (req @ %p) fw_size=%d mf_request_size=%d\n", ioc->name, prequest,
3628 ioc->facts.FWImageSize, request_size));
3629 DBG_DUMP_FW_REQUEST_FRAME(ioc, (u32 *)prequest);
3630
3631 ii = mpt_handshake_req_reply_wait(ioc, request_size, (u32 *)prequest,
3632 reply_sz, (u16 *)preply, 65 /*seconds*/, sleepFlag);
3633
3634 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FW Upload completed "
3635 "rc=%x \n", ioc->name, ii));
3636
3637 cmdStatus = -EFAULT;
3638 if (ii == 0) {
3639 /* Handshake transfer was complete and successful.
3640 * Check the Reply Frame.
3641 */
3642 int status;
3643 status = le16_to_cpu(preply->IOCStatus) &
3644 MPI_IOCSTATUS_MASK;
3645 if (status == MPI_IOCSTATUS_SUCCESS &&
3646 ioc->facts.FWImageSize ==
3647 le32_to_cpu(preply->ActualImageSize))
3648 cmdStatus = 0;
3649 }
3650 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": do_upload cmdStatus=%d \n",
3651 ioc->name, cmdStatus));
3652
3653
3654 if (cmdStatus) {
3655 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "fw upload failed, "
3656 "freeing image \n", ioc->name));
3657 mpt_free_fw_memory(ioc);
3658 }
3659 kfree(prequest);
3660
3661 return cmdStatus;
3662}
3663
3664/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3665/**
3666 * mpt_downloadboot - DownloadBoot code
3667 * @ioc: Pointer to MPT_ADAPTER structure
3668 * @pFwHeader: Pointer to firmware header info
3669 * @sleepFlag: Specifies whether the process can sleep
3670 *
3671 * FwDownloadBoot requires Programmed IO access.
3672 *
3673 * Returns 0 for success
3674 * -1 FW Image size is 0
3675 * -2 No valid cached_fw Pointer
3676 * <0 for fw upload failure.
3677 */
3678static int
3679mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag)
3680{
3681 MpiExtImageHeader_t *pExtImage;
3682 u32 fwSize;
3683 u32 diag0val;
3684 int count;
3685 u32 *ptrFw;
3686 u32 diagRwData;
3687 u32 nextImage;
3688 u32 load_addr;
3689 u32 ioc_state=0;
3690
3691 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot: fw size 0x%x (%d), FW Ptr %p\n",
3692 ioc->name, pFwHeader->ImageSize, pFwHeader->ImageSize, pFwHeader));
3693
3694 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3695 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
3696 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
3697 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
3698 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
3699 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
3700
3701 CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM));
3702
3703 /* wait 1 msec */
3704 if (sleepFlag == CAN_SLEEP) {
3705 msleep(1);
3706 } else {
3707 mdelay (1);
3708 }
3709
3710 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3711 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER);
3712
3713 for (count = 0; count < 30; count ++) {
3714 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3715 if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) {
3716 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RESET_ADAPTER cleared, count=%d\n",
3717 ioc->name, count));
3718 break;
3719 }
3720 /* wait .1 sec */
3721 if (sleepFlag == CAN_SLEEP) {
3722 msleep (100);
3723 } else {
3724 mdelay (100);
3725 }
3726 }
3727
3728 if ( count == 30 ) {
3729 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot failed! "
3730 "Unable to get MPI_DIAG_DRWE mode, diag0val=%x\n",
3731 ioc->name, diag0val));
3732 return -3;
3733 }
3734
3735 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3736 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
3737 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
3738 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
3739 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
3740 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
3741
3742 /* Set the DiagRwEn and Disable ARM bits */
3743 CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_RW_ENABLE | MPI_DIAG_DISABLE_ARM));
3744
3745 fwSize = (pFwHeader->ImageSize + 3)/4;
3746 ptrFw = (u32 *) pFwHeader;
3747
3748 /* Write the LoadStartAddress to the DiagRw Address Register
3749 * using Programmed IO
3750 */
3751 if (ioc->errata_flag_1064)
3752 pci_enable_io_access(ioc->pcidev);
3753
3754 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->LoadStartAddress);
3755 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "LoadStart addr written 0x%x \n",
3756 ioc->name, pFwHeader->LoadStartAddress));
3757
3758 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write FW Image: 0x%x bytes @ %p\n",
3759 ioc->name, fwSize*4, ptrFw));
3760 while (fwSize--) {
3761 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++);
3762 }
3763
3764 nextImage = pFwHeader->NextImageHeaderOffset;
3765 while (nextImage) {
3766 pExtImage = (MpiExtImageHeader_t *) ((char *)pFwHeader + nextImage);
3767
3768 load_addr = pExtImage->LoadStartAddress;
3769
3770 fwSize = (pExtImage->ImageSize + 3) >> 2;
3771 ptrFw = (u32 *)pExtImage;
3772
3773 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write Ext Image: 0x%x (%d) bytes @ %p load_addr=%x\n",
3774 ioc->name, fwSize*4, fwSize*4, ptrFw, load_addr));
3775 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, load_addr);
3776
3777 while (fwSize--) {
3778 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++);
3779 }
3780 nextImage = pExtImage->NextImageHeaderOffset;
3781 }
3782
3783 /* Write the IopResetVectorRegAddr */
3784 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Addr=%x! \n", ioc->name, pFwHeader->IopResetRegAddr));
3785 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->IopResetRegAddr);
3786
3787 /* Write the IopResetVectorValue */
3788 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Value=%x! \n", ioc->name, pFwHeader->IopResetVectorValue));
3789 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, pFwHeader->IopResetVectorValue);
3790
3791 /* Clear the internal flash bad bit - autoincrementing register,
3792 * so must do two writes.
3793 */
3794 if (ioc->bus_type == SPI) {
3795 /*
3796 * 1030 and 1035 H/W errata, workaround to access
3797 * the ClearFlashBadSignatureBit
3798 */
3799 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000);
3800 diagRwData = CHIPREG_PIO_READ32(&ioc->pio_chip->DiagRwData);
3801 diagRwData |= 0x40000000;
3802 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000);
3803 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, diagRwData);
3804
3805 } else /* if((ioc->bus_type == SAS) || (ioc->bus_type == FC)) */ {
3806 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3807 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val |
3808 MPI_DIAG_CLEAR_FLASH_BAD_SIG);
3809
3810 /* wait 1 msec */
3811 if (sleepFlag == CAN_SLEEP) {
3812 msleep (1);
3813 } else {
3814 mdelay (1);
3815 }
3816 }
3817
3818 if (ioc->errata_flag_1064)
3819 pci_disable_io_access(ioc->pcidev);
3820
3821 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3822 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot diag0val=%x, "
3823 "turning off PREVENT_IOC_BOOT, DISABLE_ARM, RW_ENABLE\n",
3824 ioc->name, diag0val));
3825 diag0val &= ~(MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM | MPI_DIAG_RW_ENABLE);
3826 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot now diag0val=%x\n",
3827 ioc->name, diag0val));
3828 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val);
3829
3830 /* Write 0xFF to reset the sequencer */
3831 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
3832
3833 if (ioc->bus_type == SAS) {
3834 ioc_state = mpt_GetIocState(ioc, 0);
3835 if ( (GetIocFacts(ioc, sleepFlag,
3836 MPT_HOSTEVENT_IOC_BRINGUP)) != 0 ) {
3837 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "GetIocFacts failed: IocState=%x\n",
3838 ioc->name, ioc_state));
3839 return -EFAULT;
3840 }
3841 }
3842
3843 for (count=0; count<HZ*20; count++) {
3844 if ((ioc_state = mpt_GetIocState(ioc, 0)) & MPI_IOC_STATE_READY) {
3845 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3846 "downloadboot successful! (count=%d) IocState=%x\n",
3847 ioc->name, count, ioc_state));
3848 if (ioc->bus_type == SAS) {
3849 return 0;
3850 }
3851 if ((SendIocInit(ioc, sleepFlag)) != 0) {
3852 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3853 "downloadboot: SendIocInit failed\n",
3854 ioc->name));
3855 return -EFAULT;
3856 }
3857 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3858 "downloadboot: SendIocInit successful\n",
3859 ioc->name));
3860 return 0;
3861 }
3862 if (sleepFlag == CAN_SLEEP) {
3863 msleep (10);
3864 } else {
3865 mdelay (10);
3866 }
3867 }
3868 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3869 "downloadboot failed! IocState=%x\n",ioc->name, ioc_state));
3870 return -EFAULT;
3871}
3872
3873/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3874/**
3875 * KickStart - Perform hard reset of MPT adapter.
3876 * @ioc: Pointer to MPT_ADAPTER structure
3877 * @force: Force hard reset
3878 * @sleepFlag: Specifies whether the process can sleep
3879 *
3880 * This routine places MPT adapter in diagnostic mode via the
3881 * WriteSequence register, and then performs a hard reset of adapter
3882 * via the Diagnostic register.
3883 *
3884 * Inputs: sleepflag - CAN_SLEEP (non-interrupt thread)
3885 * or NO_SLEEP (interrupt thread, use mdelay)
3886 * force - 1 if doorbell active, board fault state
3887 * board operational, IOC_RECOVERY or
3888 * IOC_BRINGUP and there is an alt_ioc.
3889 * 0 else
3890 *
3891 * Returns:
3892 * 1 - hard reset, READY
3893 * 0 - no reset due to History bit, READY
3894 * -1 - no reset due to History bit but not READY
3895 * OR reset but failed to come READY
3896 * -2 - no reset, could not enter DIAG mode
3897 * -3 - reset but bad FW bit
3898 */
3899static int
3900KickStart(MPT_ADAPTER *ioc, int force, int sleepFlag)
3901{
3902 int hard_reset_done = 0;
3903 u32 ioc_state=0;
3904 int cnt,cntdn;
3905
3906 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStarting!\n", ioc->name));
3907 if (ioc->bus_type == SPI) {
3908 /* Always issue a Msg Unit Reset first. This will clear some
3909 * SCSI bus hang conditions.
3910 */
3911 SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag);
3912
3913 if (sleepFlag == CAN_SLEEP) {
3914 msleep (1000);
3915 } else {
3916 mdelay (1000);
3917 }
3918 }
3919
3920 hard_reset_done = mpt_diag_reset(ioc, force, sleepFlag);
3921 if (hard_reset_done < 0)
3922 return hard_reset_done;
3923
3924 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset successful!\n",
3925 ioc->name));
3926
3927 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 2; /* 2 seconds */
3928 for (cnt=0; cnt<cntdn; cnt++) {
3929 ioc_state = mpt_GetIocState(ioc, 1);
3930 if ((ioc_state == MPI_IOC_STATE_READY) || (ioc_state == MPI_IOC_STATE_OPERATIONAL)) {
3931 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStart successful! (cnt=%d)\n",
3932 ioc->name, cnt));
3933 return hard_reset_done;
3934 }
3935 if (sleepFlag == CAN_SLEEP) {
3936 msleep (10);
3937 } else {
3938 mdelay (10);
3939 }
3940 }
3941
3942 dinitprintk(ioc, printk(MYIOC_s_ERR_FMT "Failed to come READY after reset! IocState=%x\n",
3943 ioc->name, mpt_GetIocState(ioc, 0)));
3944 return -1;
3945}
3946
3947/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3948/**
3949 * mpt_diag_reset - Perform hard reset of the adapter.
3950 * @ioc: Pointer to MPT_ADAPTER structure
3951 * @ignore: Set if to honor and clear to ignore
3952 * the reset history bit
3953 * @sleepFlag: CAN_SLEEP if called in a non-interrupt thread,
3954 * else set to NO_SLEEP (use mdelay instead)
3955 *
3956 * This routine places the adapter in diagnostic mode via the
3957 * WriteSequence register and then performs a hard reset of adapter
3958 * via the Diagnostic register. Adapter should be in ready state
3959 * upon successful completion.
3960 *
3961 * Returns: 1 hard reset successful
3962 * 0 no reset performed because reset history bit set
3963 * -2 enabling diagnostic mode failed
3964 * -3 diagnostic reset failed
3965 */
3966static int
3967mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
3968{
3969 u32 diag0val;
3970 u32 doorbell;
3971 int hard_reset_done = 0;
3972 int count = 0;
3973 u32 diag1val = 0;
3974 MpiFwHeader_t *cached_fw; /* Pointer to FW */
3975 u8 cb_idx;
3976
3977 /* Clear any existing interrupts */
3978 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
3979
3980 if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) {
3981
3982 if (!ignore)
3983 return 0;
3984
3985 drsprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: Doorbell=%p; 1078 reset "
3986 "address=%p\n", ioc->name, __func__,
3987 &ioc->chip->Doorbell, &ioc->chip->Reset_1078));
3988 CHIPREG_WRITE32(&ioc->chip->Reset_1078, 0x07);
3989 if (sleepFlag == CAN_SLEEP)
3990 msleep(1);
3991 else
3992 mdelay(1);
3993
3994 /*
3995 * Call each currently registered protocol IOC reset handler
3996 * with pre-reset indication.
3997 * NOTE: If we're doing _IOC_BRINGUP, there can be no
3998 * MptResetHandlers[] registered yet.
3999 */
4000 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
4001 if (MptResetHandlers[cb_idx])
4002 (*(MptResetHandlers[cb_idx]))(ioc,
4003 MPT_IOC_PRE_RESET);
4004 }
4005
4006 for (count = 0; count < 60; count ++) {
4007 doorbell = CHIPREG_READ32(&ioc->chip->Doorbell);
4008 doorbell &= MPI_IOC_STATE_MASK;
4009
4010 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4011 "looking for READY STATE: doorbell=%x"
4012 " count=%d\n",
4013 ioc->name, doorbell, count));
4014
4015 if (doorbell == MPI_IOC_STATE_READY) {
4016 return 1;
4017 }
4018
4019 /* wait 1 sec */
4020 if (sleepFlag == CAN_SLEEP)
4021 msleep(1000);
4022 else
4023 mdelay(1000);
4024 }
4025 return -1;
4026 }
4027
4028 /* Use "Diagnostic reset" method! (only thing available!) */
4029 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4030
4031 if (ioc->debug_level & MPT_DEBUG) {
4032 if (ioc->alt_ioc)
4033 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
4034 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG1: diag0=%08x, diag1=%08x\n",
4035 ioc->name, diag0val, diag1val));
4036 }
4037
4038 /* Do the reset if we are told to ignore the reset history
4039 * or if the reset history is 0
4040 */
4041 if (ignore || !(diag0val & MPI_DIAG_RESET_HISTORY)) {
4042 while ((diag0val & MPI_DIAG_DRWE) == 0) {
4043 /* Write magic sequence to WriteSequence register
4044 * Loop until in diagnostic mode
4045 */
4046 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
4047 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
4048 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
4049 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
4050 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
4051 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
4052
4053 /* wait 100 msec */
4054 if (sleepFlag == CAN_SLEEP) {
4055 msleep (100);
4056 } else {
4057 mdelay (100);
4058 }
4059
4060 count++;
4061 if (count > 20) {
4062 printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n",
4063 ioc->name, diag0val);
4064 return -2;
4065
4066 }
4067
4068 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4069
4070 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wrote magic DiagWriteEn sequence (%x)\n",
4071 ioc->name, diag0val));
4072 }
4073
4074 if (ioc->debug_level & MPT_DEBUG) {
4075 if (ioc->alt_ioc)
4076 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
4077 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG2: diag0=%08x, diag1=%08x\n",
4078 ioc->name, diag0val, diag1val));
4079 }
4080 /*
4081 * Disable the ARM (Bug fix)
4082 *
4083 */
4084 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_DISABLE_ARM);
4085 mdelay(1);
4086
4087 /*
4088 * Now hit the reset bit in the Diagnostic register
4089 * (THE BIG HAMMER!) (Clears DRWE bit).
4090 */
4091 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER);
4092 hard_reset_done = 1;
4093 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset performed\n",
4094 ioc->name));
4095
4096 /*
4097 * Call each currently registered protocol IOC reset handler
4098 * with pre-reset indication.
4099 * NOTE: If we're doing _IOC_BRINGUP, there can be no
4100 * MptResetHandlers[] registered yet.
4101 */
4102 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
4103 if (MptResetHandlers[cb_idx]) {
4104 mpt_signal_reset(cb_idx,
4105 ioc, MPT_IOC_PRE_RESET);
4106 if (ioc->alt_ioc) {
4107 mpt_signal_reset(cb_idx,
4108 ioc->alt_ioc, MPT_IOC_PRE_RESET);
4109 }
4110 }
4111 }
4112
4113 if (ioc->cached_fw)
4114 cached_fw = (MpiFwHeader_t *)ioc->cached_fw;
4115 else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw)
4116 cached_fw = (MpiFwHeader_t *)ioc->alt_ioc->cached_fw;
4117 else
4118 cached_fw = NULL;
4119 if (cached_fw) {
4120 /* If the DownloadBoot operation fails, the
4121 * IOC will be left unusable. This is a fatal error
4122 * case. _diag_reset will return < 0
4123 */
4124 for (count = 0; count < 30; count ++) {
4125 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4126 if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) {
4127 break;
4128 }
4129
4130 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "cached_fw: diag0val=%x count=%d\n",
4131 ioc->name, diag0val, count));
4132 /* wait 1 sec */
4133 if (sleepFlag == CAN_SLEEP) {
4134 msleep (1000);
4135 } else {
4136 mdelay (1000);
4137 }
4138 }
4139 if ((count = mpt_downloadboot(ioc, cached_fw, sleepFlag)) < 0) {
4140 printk(MYIOC_s_WARN_FMT
4141 "firmware downloadboot failure (%d)!\n", ioc->name, count);
4142 }
4143
4144 } else {
4145 /* Wait for FW to reload and for board
4146 * to go to the READY state.
4147 * Maximum wait is 60 seconds.
4148 * If fail, no error will check again
4149 * with calling program.
4150 */
4151 for (count = 0; count < 60; count ++) {
4152 doorbell = CHIPREG_READ32(&ioc->chip->Doorbell);
4153 doorbell &= MPI_IOC_STATE_MASK;
4154
4155 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4156 "looking for READY STATE: doorbell=%x"
4157 " count=%d\n", ioc->name, doorbell, count));
4158
4159 if (doorbell == MPI_IOC_STATE_READY) {
4160 break;
4161 }
4162
4163 /* wait 1 sec */
4164 if (sleepFlag == CAN_SLEEP) {
4165 msleep (1000);
4166 } else {
4167 mdelay (1000);
4168 }
4169 }
4170
4171 if (doorbell != MPI_IOC_STATE_READY)
4172 printk(MYIOC_s_ERR_FMT "Failed to come READY "
4173 "after reset! IocState=%x", ioc->name,
4174 doorbell);
4175 }
4176 }
4177
4178 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4179 if (ioc->debug_level & MPT_DEBUG) {
4180 if (ioc->alt_ioc)
4181 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
4182 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG3: diag0=%08x, diag1=%08x\n",
4183 ioc->name, diag0val, diag1val));
4184 }
4185
4186 /* Clear RESET_HISTORY bit! Place board in the
4187 * diagnostic mode to update the diag register.
4188 */
4189 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4190 count = 0;
4191 while ((diag0val & MPI_DIAG_DRWE) == 0) {
4192 /* Write magic sequence to WriteSequence register
4193 * Loop until in diagnostic mode
4194 */
4195 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
4196 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
4197 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
4198 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
4199 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
4200 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
4201
4202 /* wait 100 msec */
4203 if (sleepFlag == CAN_SLEEP) {
4204 msleep (100);
4205 } else {
4206 mdelay (100);
4207 }
4208
4209 count++;
4210 if (count > 20) {
4211 printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n",
4212 ioc->name, diag0val);
4213 break;
4214 }
4215 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4216 }
4217 diag0val &= ~MPI_DIAG_RESET_HISTORY;
4218 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val);
4219 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4220 if (diag0val & MPI_DIAG_RESET_HISTORY) {
4221 printk(MYIOC_s_WARN_FMT "ResetHistory bit failed to clear!\n",
4222 ioc->name);
4223 }
4224
4225 /* Disable Diagnostic Mode
4226 */
4227 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFFFFFFFF);
4228
4229 /* Check FW reload status flags.
4230 */
4231 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4232 if (diag0val & (MPI_DIAG_FLASH_BAD_SIG | MPI_DIAG_RESET_ADAPTER | MPI_DIAG_DISABLE_ARM)) {
4233 printk(MYIOC_s_ERR_FMT "Diagnostic reset FAILED! (%02xh)\n",
4234 ioc->name, diag0val);
4235 return -3;
4236 }
4237
4238 if (ioc->debug_level & MPT_DEBUG) {
4239 if (ioc->alt_ioc)
4240 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
4241 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG4: diag0=%08x, diag1=%08x\n",
4242 ioc->name, diag0val, diag1val));
4243 }
4244
4245 /*
4246 * Reset flag that says we've enabled event notification
4247 */
4248 ioc->facts.EventState = 0;
4249
4250 if (ioc->alt_ioc)
4251 ioc->alt_ioc->facts.EventState = 0;
4252
4253 return hard_reset_done;
4254}
4255
4256/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4257/**
4258 * SendIocReset - Send IOCReset request to MPT adapter.
4259 * @ioc: Pointer to MPT_ADAPTER structure
4260 * @reset_type: reset type, expected values are
4261 * %MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET or %MPI_FUNCTION_IO_UNIT_RESET
4262 * @sleepFlag: Specifies whether the process can sleep
4263 *
4264 * Send IOCReset request to the MPT adapter.
4265 *
4266 * Returns 0 for success, non-zero for failure.
4267 */
4268static int
4269SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag)
4270{
4271 int r;
4272 u32 state;
4273 int cntdn, count;
4274
4275 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOC reset(0x%02x)!\n",
4276 ioc->name, reset_type));
4277 CHIPREG_WRITE32(&ioc->chip->Doorbell, reset_type<<MPI_DOORBELL_FUNCTION_SHIFT);
4278 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
4279 return r;
4280
4281 /* FW ACK'd request, wait for READY state
4282 */
4283 count = 0;
4284 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 15; /* 15 seconds */
4285
4286 while ((state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) {
4287 cntdn--;
4288 count++;
4289 if (!cntdn) {
4290 if (sleepFlag != CAN_SLEEP)
4291 count *= 10;
4292
4293 printk(MYIOC_s_ERR_FMT
4294 "Wait IOC_READY state (0x%x) timeout(%d)!\n",
4295 ioc->name, state, (int)((count+5)/HZ));
4296 return -ETIME;
4297 }
4298
4299 if (sleepFlag == CAN_SLEEP) {
4300 msleep(1);
4301 } else {
4302 mdelay (1); /* 1 msec delay */
4303 }
4304 }
4305
4306 /* TODO!
4307 * Cleanup all event stuff for this IOC; re-issue EventNotification
4308 * request if needed.
4309 */
4310 if (ioc->facts.Function)
4311 ioc->facts.EventState = 0;
4312
4313 return 0;
4314}
4315
4316/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4317/**
4318 * initChainBuffers - Allocate memory for and initialize chain buffers
4319 * @ioc: Pointer to MPT_ADAPTER structure
4320 *
4321 * Allocates memory for and initializes chain buffers,
4322 * chain buffer control arrays and spinlock.
4323 */
4324static int
4325initChainBuffers(MPT_ADAPTER *ioc)
4326{
4327 u8 *mem;
4328 int sz, ii, num_chain;
4329 int scale, num_sge, numSGE;
4330
4331 /* ReqToChain size must equal the req_depth
4332 * index = req_idx
4333 */
4334 if (ioc->ReqToChain == NULL) {
4335 sz = ioc->req_depth * sizeof(int);
4336 mem = kmalloc(sz, GFP_ATOMIC);
4337 if (mem == NULL)
4338 return -1;
4339
4340 ioc->ReqToChain = (int *) mem;
4341 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReqToChain alloc @ %p, sz=%d bytes\n",
4342 ioc->name, mem, sz));
4343 mem = kmalloc(sz, GFP_ATOMIC);
4344 if (mem == NULL)
4345 return -1;
4346
4347 ioc->RequestNB = (int *) mem;
4348 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestNB alloc @ %p, sz=%d bytes\n",
4349 ioc->name, mem, sz));
4350 }
4351 for (ii = 0; ii < ioc->req_depth; ii++) {
4352 ioc->ReqToChain[ii] = MPT_HOST_NO_CHAIN;
4353 }
4354
4355 /* ChainToChain size must equal the total number
4356 * of chain buffers to be allocated.
4357 * index = chain_idx
4358 *
4359 * Calculate the number of chain buffers needed(plus 1) per I/O
4360 * then multiply the maximum number of simultaneous cmds
4361 *
4362 * num_sge = num sge in request frame + last chain buffer
4363 * scale = num sge per chain buffer if no chain element
4364 */
4365 scale = ioc->req_sz / ioc->SGE_size;
4366 if (ioc->sg_addr_size == sizeof(u64))
4367 num_sge = scale + (ioc->req_sz - 60) / ioc->SGE_size;
4368 else
4369 num_sge = 1 + scale + (ioc->req_sz - 64) / ioc->SGE_size;
4370
4371 if (ioc->sg_addr_size == sizeof(u64)) {
4372 numSGE = (scale - 1) * (ioc->facts.MaxChainDepth-1) + scale +
4373 (ioc->req_sz - 60) / ioc->SGE_size;
4374 } else {
4375 numSGE = 1 + (scale - 1) * (ioc->facts.MaxChainDepth-1) +
4376 scale + (ioc->req_sz - 64) / ioc->SGE_size;
4377 }
4378 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "num_sge=%d numSGE=%d\n",
4379 ioc->name, num_sge, numSGE));
4380
4381 if (ioc->bus_type == FC) {
4382 if (numSGE > MPT_SCSI_FC_SG_DEPTH)
4383 numSGE = MPT_SCSI_FC_SG_DEPTH;
4384 } else {
4385 if (numSGE > MPT_SCSI_SG_DEPTH)
4386 numSGE = MPT_SCSI_SG_DEPTH;
4387 }
4388
4389 num_chain = 1;
4390 while (numSGE - num_sge > 0) {
4391 num_chain++;
4392 num_sge += (scale - 1);
4393 }
4394 num_chain++;
4395
4396 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Now numSGE=%d num_sge=%d num_chain=%d\n",
4397 ioc->name, numSGE, num_sge, num_chain));
4398
4399 if (ioc->bus_type == SPI)
4400 num_chain *= MPT_SCSI_CAN_QUEUE;
4401 else if (ioc->bus_type == SAS)
4402 num_chain *= MPT_SAS_CAN_QUEUE;
4403 else
4404 num_chain *= MPT_FC_CAN_QUEUE;
4405
4406 ioc->num_chain = num_chain;
4407
4408 sz = num_chain * sizeof(int);
4409 if (ioc->ChainToChain == NULL) {
4410 mem = kmalloc(sz, GFP_ATOMIC);
4411 if (mem == NULL)
4412 return -1;
4413
4414 ioc->ChainToChain = (int *) mem;
4415 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainToChain alloc @ %p, sz=%d bytes\n",
4416 ioc->name, mem, sz));
4417 } else {
4418 mem = (u8 *) ioc->ChainToChain;
4419 }
4420 memset(mem, 0xFF, sz);
4421 return num_chain;
4422}
4423
4424/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4425/**
4426 * PrimeIocFifos - Initialize IOC request and reply FIFOs.
4427 * @ioc: Pointer to MPT_ADAPTER structure
4428 *
4429 * This routine allocates memory for the MPT reply and request frame
4430 * pools (if necessary), and primes the IOC reply FIFO with
4431 * reply frames.
4432 *
4433 * Returns 0 for success, non-zero for failure.
4434 */
4435static int
4436PrimeIocFifos(MPT_ADAPTER *ioc)
4437{
4438 MPT_FRAME_HDR *mf;
4439 unsigned long flags;
4440 dma_addr_t alloc_dma;
4441 u8 *mem;
4442 int i, reply_sz, sz, total_size, num_chain;
4443 u64 dma_mask;
4444
4445 dma_mask = 0;
4446
4447 /* Prime reply FIFO... */
4448
4449 if (ioc->reply_frames == NULL) {
4450 if ( (num_chain = initChainBuffers(ioc)) < 0)
4451 return -1;
4452 /*
4453 * 1078 errata workaround for the 36GB limitation
4454 */
4455 if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078 &&
4456 ioc->dma_mask > DMA_BIT_MASK(35)) {
4457 if (!pci_set_dma_mask(ioc->pcidev, DMA_BIT_MASK(32))
4458 && !pci_set_consistent_dma_mask(ioc->pcidev,
4459 DMA_BIT_MASK(32))) {
4460 dma_mask = DMA_BIT_MASK(35);
4461 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4462 "setting 35 bit addressing for "
4463 "Request/Reply/Chain and Sense Buffers\n",
4464 ioc->name));
4465 } else {
4466 /*Reseting DMA mask to 64 bit*/
4467 pci_set_dma_mask(ioc->pcidev,
4468 DMA_BIT_MASK(64));
4469 pci_set_consistent_dma_mask(ioc->pcidev,
4470 DMA_BIT_MASK(64));
4471
4472 printk(MYIOC_s_ERR_FMT
4473 "failed setting 35 bit addressing for "
4474 "Request/Reply/Chain and Sense Buffers\n",
4475 ioc->name);
4476 return -1;
4477 }
4478 }
4479
4480 total_size = reply_sz = (ioc->reply_sz * ioc->reply_depth);
4481 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d bytes, ReplyDepth=%d\n",
4482 ioc->name, ioc->reply_sz, ioc->reply_depth));
4483 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d[%x] bytes\n",
4484 ioc->name, reply_sz, reply_sz));
4485
4486 sz = (ioc->req_sz * ioc->req_depth);
4487 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d bytes, RequestDepth=%d\n",
4488 ioc->name, ioc->req_sz, ioc->req_depth));
4489 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d[%x] bytes\n",
4490 ioc->name, sz, sz));
4491 total_size += sz;
4492
4493 sz = num_chain * ioc->req_sz; /* chain buffer pool size */
4494 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d bytes, ChainDepth=%d\n",
4495 ioc->name, ioc->req_sz, num_chain));
4496 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d[%x] bytes num_chain=%d\n",
4497 ioc->name, sz, sz, num_chain));
4498
4499 total_size += sz;
4500 mem = pci_alloc_consistent(ioc->pcidev, total_size, &alloc_dma);
4501 if (mem == NULL) {
4502 printk(MYIOC_s_ERR_FMT "Unable to allocate Reply, Request, Chain Buffers!\n",
4503 ioc->name);
4504 goto out_fail;
4505 }
4506
4507 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Total alloc @ %p[%p], sz=%d[%x] bytes\n",
4508 ioc->name, mem, (void *)(ulong)alloc_dma, total_size, total_size));
4509
4510 memset(mem, 0, total_size);
4511 ioc->alloc_total += total_size;
4512 ioc->alloc = mem;
4513 ioc->alloc_dma = alloc_dma;
4514 ioc->alloc_sz = total_size;
4515 ioc->reply_frames = (MPT_FRAME_HDR *) mem;
4516 ioc->reply_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF);
4517
4518 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n",
4519 ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma));
4520
4521 alloc_dma += reply_sz;
4522 mem += reply_sz;
4523
4524 /* Request FIFO - WE manage this! */
4525
4526 ioc->req_frames = (MPT_FRAME_HDR *) mem;
4527 ioc->req_frames_dma = alloc_dma;
4528
4529 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffers @ %p[%p]\n",
4530 ioc->name, mem, (void *)(ulong)alloc_dma));
4531
4532 ioc->req_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF);
4533
4534 for (i = 0; i < ioc->req_depth; i++) {
4535 alloc_dma += ioc->req_sz;
4536 mem += ioc->req_sz;
4537 }
4538
4539 ioc->ChainBuffer = mem;
4540 ioc->ChainBufferDMA = alloc_dma;
4541
4542 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffers @ %p(%p)\n",
4543 ioc->name, ioc->ChainBuffer, (void *)(ulong)ioc->ChainBufferDMA));
4544
4545 /* Initialize the free chain Q.
4546 */
4547
4548 INIT_LIST_HEAD(&ioc->FreeChainQ);
4549
4550 /* Post the chain buffers to the FreeChainQ.
4551 */
4552 mem = (u8 *)ioc->ChainBuffer;
4553 for (i=0; i < num_chain; i++) {
4554 mf = (MPT_FRAME_HDR *) mem;
4555 list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeChainQ);
4556 mem += ioc->req_sz;
4557 }
4558
4559 /* Initialize Request frames linked list
4560 */
4561 alloc_dma = ioc->req_frames_dma;
4562 mem = (u8 *) ioc->req_frames;
4563
4564 spin_lock_irqsave(&ioc->FreeQlock, flags);
4565 INIT_LIST_HEAD(&ioc->FreeQ);
4566 for (i = 0; i < ioc->req_depth; i++) {
4567 mf = (MPT_FRAME_HDR *) mem;
4568
4569 /* Queue REQUESTs *internally*! */
4570 list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeQ);
4571
4572 mem += ioc->req_sz;
4573 }
4574 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
4575
4576 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
4577 ioc->sense_buf_pool =
4578 pci_alloc_consistent(ioc->pcidev, sz, &ioc->sense_buf_pool_dma);
4579 if (ioc->sense_buf_pool == NULL) {
4580 printk(MYIOC_s_ERR_FMT "Unable to allocate Sense Buffers!\n",
4581 ioc->name);
4582 goto out_fail;
4583 }
4584
4585 ioc->sense_buf_low_dma = (u32) (ioc->sense_buf_pool_dma & 0xFFFFFFFF);
4586 ioc->alloc_total += sz;
4587 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SenseBuffers @ %p[%p]\n",
4588 ioc->name, ioc->sense_buf_pool, (void *)(ulong)ioc->sense_buf_pool_dma));
4589
4590 }
4591
4592 /* Post Reply frames to FIFO
4593 */
4594 alloc_dma = ioc->alloc_dma;
4595 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n",
4596 ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma));
4597
4598 for (i = 0; i < ioc->reply_depth; i++) {
4599 /* Write each address to the IOC! */
4600 CHIPREG_WRITE32(&ioc->chip->ReplyFifo, alloc_dma);
4601 alloc_dma += ioc->reply_sz;
4602 }
4603
4604 if (dma_mask == DMA_BIT_MASK(35) && !pci_set_dma_mask(ioc->pcidev,
4605 ioc->dma_mask) && !pci_set_consistent_dma_mask(ioc->pcidev,
4606 ioc->dma_mask))
4607 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4608 "restoring 64 bit addressing\n", ioc->name));
4609
4610 return 0;
4611
4612out_fail:
4613
4614 if (ioc->alloc != NULL) {
4615 sz = ioc->alloc_sz;
4616 pci_free_consistent(ioc->pcidev,
4617 sz,
4618 ioc->alloc, ioc->alloc_dma);
4619 ioc->reply_frames = NULL;
4620 ioc->req_frames = NULL;
4621 ioc->alloc_total -= sz;
4622 }
4623 if (ioc->sense_buf_pool != NULL) {
4624 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
4625 pci_free_consistent(ioc->pcidev,
4626 sz,
4627 ioc->sense_buf_pool, ioc->sense_buf_pool_dma);
4628 ioc->sense_buf_pool = NULL;
4629 }
4630
4631 if (dma_mask == DMA_BIT_MASK(35) && !pci_set_dma_mask(ioc->pcidev,
4632 DMA_BIT_MASK(64)) && !pci_set_consistent_dma_mask(ioc->pcidev,
4633 DMA_BIT_MASK(64)))
4634 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
4635 "restoring 64 bit addressing\n", ioc->name));
4636
4637 return -1;
4638}
4639
4640/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4641/**
4642 * mpt_handshake_req_reply_wait - Send MPT request to and receive reply
4643 * from IOC via doorbell handshake method.
4644 * @ioc: Pointer to MPT_ADAPTER structure
4645 * @reqBytes: Size of the request in bytes
4646 * @req: Pointer to MPT request frame
4647 * @replyBytes: Expected size of the reply in bytes
4648 * @u16reply: Pointer to area where reply should be written
4649 * @maxwait: Max wait time for a reply (in seconds)
4650 * @sleepFlag: Specifies whether the process can sleep
4651 *
4652 * NOTES: It is the callers responsibility to byte-swap fields in the
4653 * request which are greater than 1 byte in size. It is also the
4654 * callers responsibility to byte-swap response fields which are
4655 * greater than 1 byte in size.
4656 *
4657 * Returns 0 for success, non-zero for failure.
4658 */
4659static int
4660mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes, u32 *req,
4661 int replyBytes, u16 *u16reply, int maxwait, int sleepFlag)
4662{
4663 MPIDefaultReply_t *mptReply;
4664 int failcnt = 0;
4665 int t;
4666
4667 /*
4668 * Get ready to cache a handshake reply
4669 */
4670 ioc->hs_reply_idx = 0;
4671 mptReply = (MPIDefaultReply_t *) ioc->hs_reply;
4672 mptReply->MsgLength = 0;
4673
4674 /*
4675 * Make sure there are no doorbells (WRITE 0 to IntStatus reg),
4676 * then tell IOC that we want to handshake a request of N words.
4677 * (WRITE u32val to Doorbell reg).
4678 */
4679 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4680 CHIPREG_WRITE32(&ioc->chip->Doorbell,
4681 ((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) |
4682 ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT)));
4683
4684 /*
4685 * Wait for IOC's doorbell handshake int
4686 */
4687 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4688 failcnt++;
4689
4690 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request start reqBytes=%d, WaitCnt=%d%s\n",
4691 ioc->name, reqBytes, t, failcnt ? " - MISSING DOORBELL HANDSHAKE!" : ""));
4692
4693 /* Read doorbell and check for active bit */
4694 if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE))
4695 return -1;
4696
4697 /*
4698 * Clear doorbell int (WRITE 0 to IntStatus reg),
4699 * then wait for IOC to ACKnowledge that it's ready for
4700 * our handshake request.
4701 */
4702 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4703 if (!failcnt && (t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
4704 failcnt++;
4705
4706 if (!failcnt) {
4707 int ii;
4708 u8 *req_as_bytes = (u8 *) req;
4709
4710 /*
4711 * Stuff request words via doorbell handshake,
4712 * with ACK from IOC for each.
4713 */
4714 for (ii = 0; !failcnt && ii < reqBytes/4; ii++) {
4715 u32 word = ((req_as_bytes[(ii*4) + 0] << 0) |
4716 (req_as_bytes[(ii*4) + 1] << 8) |
4717 (req_as_bytes[(ii*4) + 2] << 16) |
4718 (req_as_bytes[(ii*4) + 3] << 24));
4719
4720 CHIPREG_WRITE32(&ioc->chip->Doorbell, word);
4721 if ((t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
4722 failcnt++;
4723 }
4724
4725 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handshake request frame (@%p) header\n", ioc->name, req));
4726 DBG_DUMP_REQUEST_FRAME_HDR(ioc, (u32 *)req);
4727
4728 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request post done, WaitCnt=%d%s\n",
4729 ioc->name, t, failcnt ? " - MISSING DOORBELL ACK!" : ""));
4730
4731 /*
4732 * Wait for completion of doorbell handshake reply from the IOC
4733 */
4734 if (!failcnt && (t = WaitForDoorbellReply(ioc, maxwait, sleepFlag)) < 0)
4735 failcnt++;
4736
4737 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake reply count=%d%s\n",
4738 ioc->name, t, failcnt ? " - MISSING DOORBELL REPLY!" : ""));
4739
4740 /*
4741 * Copy out the cached reply...
4742 */
4743 for (ii=0; ii < min(replyBytes/2,mptReply->MsgLength*2); ii++)
4744 u16reply[ii] = ioc->hs_reply[ii];
4745 } else {
4746 return -99;
4747 }
4748
4749 return -failcnt;
4750}
4751
4752/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4753/**
4754 * WaitForDoorbellAck - Wait for IOC doorbell handshake acknowledge
4755 * @ioc: Pointer to MPT_ADAPTER structure
4756 * @howlong: How long to wait (in seconds)
4757 * @sleepFlag: Specifies whether the process can sleep
4758 *
4759 * This routine waits (up to ~2 seconds max) for IOC doorbell
4760 * handshake ACKnowledge, indicated by the IOP_DOORBELL_STATUS
4761 * bit in its IntStatus register being clear.
4762 *
4763 * Returns a negative value on failure, else wait loop count.
4764 */
4765static int
4766WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
4767{
4768 int cntdn;
4769 int count = 0;
4770 u32 intstat=0;
4771
4772 cntdn = 1000 * howlong;
4773
4774 if (sleepFlag == CAN_SLEEP) {
4775 while (--cntdn) {
4776 msleep (1);
4777 intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4778 if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
4779 break;
4780 count++;
4781 }
4782 } else {
4783 while (--cntdn) {
4784 udelay (1000);
4785 intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4786 if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
4787 break;
4788 count++;
4789 }
4790 }
4791
4792 if (cntdn) {
4793 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell ACK (count=%d)\n",
4794 ioc->name, count));
4795 return count;
4796 }
4797
4798 printk(MYIOC_s_ERR_FMT "Doorbell ACK timeout (count=%d), IntStatus=%x!\n",
4799 ioc->name, count, intstat);
4800 return -1;
4801}
4802
4803/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4804/**
4805 * WaitForDoorbellInt - Wait for IOC to set its doorbell interrupt bit
4806 * @ioc: Pointer to MPT_ADAPTER structure
4807 * @howlong: How long to wait (in seconds)
4808 * @sleepFlag: Specifies whether the process can sleep
4809 *
4810 * This routine waits (up to ~2 seconds max) for IOC doorbell interrupt
4811 * (MPI_HIS_DOORBELL_INTERRUPT) to be set in the IntStatus register.
4812 *
4813 * Returns a negative value on failure, else wait loop count.
4814 */
4815static int
4816WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
4817{
4818 int cntdn;
4819 int count = 0;
4820 u32 intstat=0;
4821
4822 cntdn = 1000 * howlong;
4823 if (sleepFlag == CAN_SLEEP) {
4824 while (--cntdn) {
4825 intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4826 if (intstat & MPI_HIS_DOORBELL_INTERRUPT)
4827 break;
4828 msleep(1);
4829 count++;
4830 }
4831 } else {
4832 while (--cntdn) {
4833 intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
4834 if (intstat & MPI_HIS_DOORBELL_INTERRUPT)
4835 break;
4836 udelay (1000);
4837 count++;
4838 }
4839 }
4840
4841 if (cntdn) {
4842 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell INT (cnt=%d) howlong=%d\n",
4843 ioc->name, count, howlong));
4844 return count;
4845 }
4846
4847 printk(MYIOC_s_ERR_FMT "Doorbell INT timeout (count=%d), IntStatus=%x!\n",
4848 ioc->name, count, intstat);
4849 return -1;
4850}
4851
4852/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4853/**
4854 * WaitForDoorbellReply - Wait for and capture an IOC handshake reply.
4855 * @ioc: Pointer to MPT_ADAPTER structure
4856 * @howlong: How long to wait (in seconds)
4857 * @sleepFlag: Specifies whether the process can sleep
4858 *
4859 * This routine polls the IOC for a handshake reply, 16 bits at a time.
4860 * Reply is cached to IOC private area large enough to hold a maximum
4861 * of 128 bytes of reply data.
4862 *
4863 * Returns a negative value on failure, else size of reply in WORDS.
4864 */
4865static int
4866WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
4867{
4868 int u16cnt = 0;
4869 int failcnt = 0;
4870 int t;
4871 u16 *hs_reply = ioc->hs_reply;
4872 volatile MPIDefaultReply_t *mptReply = (MPIDefaultReply_t *) ioc->hs_reply;
4873 u16 hword;
4874
4875 hs_reply[0] = hs_reply[1] = hs_reply[7] = 0;
4876
4877 /*
4878 * Get first two u16's so we can look at IOC's intended reply MsgLength
4879 */
4880 u16cnt=0;
4881 if ((t = WaitForDoorbellInt(ioc, howlong, sleepFlag)) < 0) {
4882 failcnt++;
4883 } else {
4884 hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
4885 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4886 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4887 failcnt++;
4888 else {
4889 hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
4890 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4891 }
4892 }
4893
4894 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitCnt=%d First handshake reply word=%08x%s\n",
4895 ioc->name, t, le32_to_cpu(*(u32 *)hs_reply),
4896 failcnt ? " - MISSING DOORBELL HANDSHAKE!" : ""));
4897
4898 /*
4899 * If no error (and IOC said MsgLength is > 0), piece together
4900 * reply 16 bits at a time.
4901 */
4902 for (u16cnt=2; !failcnt && u16cnt < (2 * mptReply->MsgLength); u16cnt++) {
4903 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4904 failcnt++;
4905 hword = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
4906 /* don't overflow our IOC hs_reply[] buffer! */
4907 if (u16cnt < ARRAY_SIZE(ioc->hs_reply))
4908 hs_reply[u16cnt] = hword;
4909 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4910 }
4911
4912 if (!failcnt && (t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
4913 failcnt++;
4914 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
4915
4916 if (failcnt) {
4917 printk(MYIOC_s_ERR_FMT "Handshake reply failure!\n",
4918 ioc->name);
4919 return -failcnt;
4920 }
4921#if 0
4922 else if (u16cnt != (2 * mptReply->MsgLength)) {
4923 return -101;
4924 }
4925 else if ((mptReply->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
4926 return -102;
4927 }
4928#endif
4929
4930 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got Handshake reply:\n", ioc->name));
4931 DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mptReply);
4932
4933 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell REPLY WaitCnt=%d (sz=%d)\n",
4934 ioc->name, t, u16cnt/2));
4935 return u16cnt/2;
4936}
4937
4938/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4939/**
4940 * GetLanConfigPages - Fetch LANConfig pages.
4941 * @ioc: Pointer to MPT_ADAPTER structure
4942 *
4943 * Return: 0 for success
4944 * -ENOMEM if no memory available
4945 * -EPERM if not allowed due to ISR context
4946 * -EAGAIN if no msg frames currently available
4947 * -EFAULT for non-successful reply or no reply (timeout)
4948 */
4949static int
4950GetLanConfigPages(MPT_ADAPTER *ioc)
4951{
4952 ConfigPageHeader_t hdr;
4953 CONFIGPARMS cfg;
4954 LANPage0_t *ppage0_alloc;
4955 dma_addr_t page0_dma;
4956 LANPage1_t *ppage1_alloc;
4957 dma_addr_t page1_dma;
4958 int rc = 0;
4959 int data_sz;
4960 int copy_sz;
4961
4962 /* Get LAN Page 0 header */
4963 hdr.PageVersion = 0;
4964 hdr.PageLength = 0;
4965 hdr.PageNumber = 0;
4966 hdr.PageType = MPI_CONFIG_PAGETYPE_LAN;
4967 cfg.cfghdr.hdr = &hdr;
4968 cfg.physAddr = -1;
4969 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
4970 cfg.dir = 0;
4971 cfg.pageAddr = 0;
4972 cfg.timeout = 0;
4973
4974 if ((rc = mpt_config(ioc, &cfg)) != 0)
4975 return rc;
4976
4977 if (hdr.PageLength > 0) {
4978 data_sz = hdr.PageLength * 4;
4979 ppage0_alloc = (LANPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
4980 rc = -ENOMEM;
4981 if (ppage0_alloc) {
4982 memset((u8 *)ppage0_alloc, 0, data_sz);
4983 cfg.physAddr = page0_dma;
4984 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
4985
4986 if ((rc = mpt_config(ioc, &cfg)) == 0) {
4987 /* save the data */
4988 copy_sz = min_t(int, sizeof(LANPage0_t), data_sz);
4989 memcpy(&ioc->lan_cnfg_page0, ppage0_alloc, copy_sz);
4990
4991 }
4992
4993 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
4994
4995 /* FIXME!
4996 * Normalize endianness of structure data,
4997 * by byte-swapping all > 1 byte fields!
4998 */
4999
5000 }
5001
5002 if (rc)
5003 return rc;
5004 }
5005
5006 /* Get LAN Page 1 header */
5007 hdr.PageVersion = 0;
5008 hdr.PageLength = 0;
5009 hdr.PageNumber = 1;
5010 hdr.PageType = MPI_CONFIG_PAGETYPE_LAN;
5011 cfg.cfghdr.hdr = &hdr;
5012 cfg.physAddr = -1;
5013 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5014 cfg.dir = 0;
5015 cfg.pageAddr = 0;
5016
5017 if ((rc = mpt_config(ioc, &cfg)) != 0)
5018 return rc;
5019
5020 if (hdr.PageLength == 0)
5021 return 0;
5022
5023 data_sz = hdr.PageLength * 4;
5024 rc = -ENOMEM;
5025 ppage1_alloc = (LANPage1_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page1_dma);
5026 if (ppage1_alloc) {
5027 memset((u8 *)ppage1_alloc, 0, data_sz);
5028 cfg.physAddr = page1_dma;
5029 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5030
5031 if ((rc = mpt_config(ioc, &cfg)) == 0) {
5032 /* save the data */
5033 copy_sz = min_t(int, sizeof(LANPage1_t), data_sz);
5034 memcpy(&ioc->lan_cnfg_page1, ppage1_alloc, copy_sz);
5035 }
5036
5037 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage1_alloc, page1_dma);
5038
5039 /* FIXME!
5040 * Normalize endianness of structure data,
5041 * by byte-swapping all > 1 byte fields!
5042 */
5043
5044 }
5045
5046 return rc;
5047}
5048
5049/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5050/**
5051 * mptbase_sas_persist_operation - Perform operation on SAS Persistent Table
5052 * @ioc: Pointer to MPT_ADAPTER structure
5053 * @persist_opcode: see below
5054 *
5055 * MPI_SAS_OP_CLEAR_NOT_PRESENT - Free all persist TargetID mappings for
5056 * devices not currently present.
5057 * MPI_SAS_OP_CLEAR_ALL_PERSISTENT - Clear al persist TargetID mappings
5058 *
5059 * NOTE: Don't use not this function during interrupt time.
5060 *
5061 * Returns 0 for success, non-zero error
5062 */
5063
5064/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5065int
5066mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode)
5067{
5068 SasIoUnitControlRequest_t *sasIoUnitCntrReq;
5069 SasIoUnitControlReply_t *sasIoUnitCntrReply;
5070 MPT_FRAME_HDR *mf = NULL;
5071 MPIHeader_t *mpi_hdr;
5072 int ret = 0;
5073 unsigned long timeleft;
5074
5075 mutex_lock(&ioc->mptbase_cmds.mutex);
5076
5077 /* init the internal cmd struct */
5078 memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE);
5079 INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status)
5080
5081 /* insure garbage is not sent to fw */
5082 switch(persist_opcode) {
5083
5084 case MPI_SAS_OP_CLEAR_NOT_PRESENT:
5085 case MPI_SAS_OP_CLEAR_ALL_PERSISTENT:
5086 break;
5087
5088 default:
5089 ret = -1;
5090 goto out;
5091 }
5092
5093 printk(KERN_DEBUG "%s: persist_opcode=%x\n",
5094 __func__, persist_opcode);
5095
5096 /* Get a MF for this command.
5097 */
5098 if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
5099 printk(KERN_DEBUG "%s: no msg frames!\n", __func__);
5100 ret = -1;
5101 goto out;
5102 }
5103
5104 mpi_hdr = (MPIHeader_t *) mf;
5105 sasIoUnitCntrReq = (SasIoUnitControlRequest_t *)mf;
5106 memset(sasIoUnitCntrReq,0,sizeof(SasIoUnitControlRequest_t));
5107 sasIoUnitCntrReq->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
5108 sasIoUnitCntrReq->MsgContext = mpi_hdr->MsgContext;
5109 sasIoUnitCntrReq->Operation = persist_opcode;
5110
5111 mpt_put_msg_frame(mpt_base_index, ioc, mf);
5112 timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done, 10*HZ);
5113 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
5114 ret = -ETIME;
5115 printk(KERN_DEBUG "%s: failed\n", __func__);
5116 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
5117 goto out;
5118 if (!timeleft) {
5119 printk(MYIOC_s_WARN_FMT
5120 "Issuing Reset from %s!!, doorbell=0x%08x\n",
5121 ioc->name, __func__, mpt_GetIocState(ioc, 0));
5122 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
5123 mpt_free_msg_frame(ioc, mf);
5124 }
5125 goto out;
5126 }
5127
5128 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
5129 ret = -1;
5130 goto out;
5131 }
5132
5133 sasIoUnitCntrReply =
5134 (SasIoUnitControlReply_t *)ioc->mptbase_cmds.reply;
5135 if (le16_to_cpu(sasIoUnitCntrReply->IOCStatus) != MPI_IOCSTATUS_SUCCESS) {
5136 printk(KERN_DEBUG "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
5137 __func__, sasIoUnitCntrReply->IOCStatus,
5138 sasIoUnitCntrReply->IOCLogInfo);
5139 printk(KERN_DEBUG "%s: failed\n", __func__);
5140 ret = -1;
5141 } else
5142 printk(KERN_DEBUG "%s: success\n", __func__);
5143 out:
5144
5145 CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status)
5146 mutex_unlock(&ioc->mptbase_cmds.mutex);
5147 return ret;
5148}
5149
5150/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5151
5152static void
5153mptbase_raid_process_event_data(MPT_ADAPTER *ioc,
5154 MpiEventDataRaid_t * pRaidEventData)
5155{
5156 int volume;
5157 int reason;
5158 int disk;
5159 int status;
5160 int flags;
5161 int state;
5162
5163 volume = pRaidEventData->VolumeID;
5164 reason = pRaidEventData->ReasonCode;
5165 disk = pRaidEventData->PhysDiskNum;
5166 status = le32_to_cpu(pRaidEventData->SettingsStatus);
5167 flags = (status >> 0) & 0xff;
5168 state = (status >> 8) & 0xff;
5169
5170 if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) {
5171 return;
5172 }
5173
5174 if ((reason >= MPI_EVENT_RAID_RC_PHYSDISK_CREATED &&
5175 reason <= MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED) ||
5176 (reason == MPI_EVENT_RAID_RC_SMART_DATA)) {
5177 printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for PhysDisk %d id=%d\n",
5178 ioc->name, disk, volume);
5179 } else {
5180 printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for VolumeID %d\n",
5181 ioc->name, volume);
5182 }
5183
5184 switch(reason) {
5185 case MPI_EVENT_RAID_RC_VOLUME_CREATED:
5186 printk(MYIOC_s_INFO_FMT " volume has been created\n",
5187 ioc->name);
5188 break;
5189
5190 case MPI_EVENT_RAID_RC_VOLUME_DELETED:
5191
5192 printk(MYIOC_s_INFO_FMT " volume has been deleted\n",
5193 ioc->name);
5194 break;
5195
5196 case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED:
5197 printk(MYIOC_s_INFO_FMT " volume settings have been changed\n",
5198 ioc->name);
5199 break;
5200
5201 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
5202 printk(MYIOC_s_INFO_FMT " volume is now %s%s%s%s\n",
5203 ioc->name,
5204 state == MPI_RAIDVOL0_STATUS_STATE_OPTIMAL
5205 ? "optimal"
5206 : state == MPI_RAIDVOL0_STATUS_STATE_DEGRADED
5207 ? "degraded"
5208 : state == MPI_RAIDVOL0_STATUS_STATE_FAILED
5209 ? "failed"
5210 : "state unknown",
5211 flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED
5212 ? ", enabled" : "",
5213 flags & MPI_RAIDVOL0_STATUS_FLAG_QUIESCED
5214 ? ", quiesced" : "",
5215 flags & MPI_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
5216 ? ", resync in progress" : "" );
5217 break;
5218
5219 case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED:
5220 printk(MYIOC_s_INFO_FMT " volume membership of PhysDisk %d has changed\n",
5221 ioc->name, disk);
5222 break;
5223
5224 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
5225 printk(MYIOC_s_INFO_FMT " PhysDisk has been created\n",
5226 ioc->name);
5227 break;
5228
5229 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
5230 printk(MYIOC_s_INFO_FMT " PhysDisk has been deleted\n",
5231 ioc->name);
5232 break;
5233
5234 case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED:
5235 printk(MYIOC_s_INFO_FMT " PhysDisk settings have been changed\n",
5236 ioc->name);
5237 break;
5238
5239 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
5240 printk(MYIOC_s_INFO_FMT " PhysDisk is now %s%s%s\n",
5241 ioc->name,
5242 state == MPI_PHYSDISK0_STATUS_ONLINE
5243 ? "online"
5244 : state == MPI_PHYSDISK0_STATUS_MISSING
5245 ? "missing"
5246 : state == MPI_PHYSDISK0_STATUS_NOT_COMPATIBLE
5247 ? "not compatible"
5248 : state == MPI_PHYSDISK0_STATUS_FAILED
5249 ? "failed"
5250 : state == MPI_PHYSDISK0_STATUS_INITIALIZING
5251 ? "initializing"
5252 : state == MPI_PHYSDISK0_STATUS_OFFLINE_REQUESTED
5253 ? "offline requested"
5254 : state == MPI_PHYSDISK0_STATUS_FAILED_REQUESTED
5255 ? "failed requested"
5256 : state == MPI_PHYSDISK0_STATUS_OTHER_OFFLINE
5257 ? "offline"
5258 : "state unknown",
5259 flags & MPI_PHYSDISK0_STATUS_FLAG_OUT_OF_SYNC
5260 ? ", out of sync" : "",
5261 flags & MPI_PHYSDISK0_STATUS_FLAG_QUIESCED
5262 ? ", quiesced" : "" );
5263 break;
5264
5265 case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED:
5266 printk(MYIOC_s_INFO_FMT " Domain Validation needed for PhysDisk %d\n",
5267 ioc->name, disk);
5268 break;
5269
5270 case MPI_EVENT_RAID_RC_SMART_DATA:
5271 printk(MYIOC_s_INFO_FMT " SMART data received, ASC/ASCQ = %02xh/%02xh\n",
5272 ioc->name, pRaidEventData->ASC, pRaidEventData->ASCQ);
5273 break;
5274
5275 case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED:
5276 printk(MYIOC_s_INFO_FMT " replacement of PhysDisk %d has started\n",
5277 ioc->name, disk);
5278 break;
5279 }
5280}
5281
5282/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5283/**
5284 * GetIoUnitPage2 - Retrieve BIOS version and boot order information.
5285 * @ioc: Pointer to MPT_ADAPTER structure
5286 *
5287 * Returns: 0 for success
5288 * -ENOMEM if no memory available
5289 * -EPERM if not allowed due to ISR context
5290 * -EAGAIN if no msg frames currently available
5291 * -EFAULT for non-successful reply or no reply (timeout)
5292 */
5293static int
5294GetIoUnitPage2(MPT_ADAPTER *ioc)
5295{
5296 ConfigPageHeader_t hdr;
5297 CONFIGPARMS cfg;
5298 IOUnitPage2_t *ppage_alloc;
5299 dma_addr_t page_dma;
5300 int data_sz;
5301 int rc;
5302
5303 /* Get the page header */
5304 hdr.PageVersion = 0;
5305 hdr.PageLength = 0;
5306 hdr.PageNumber = 2;
5307 hdr.PageType = MPI_CONFIG_PAGETYPE_IO_UNIT;
5308 cfg.cfghdr.hdr = &hdr;
5309 cfg.physAddr = -1;
5310 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5311 cfg.dir = 0;
5312 cfg.pageAddr = 0;
5313 cfg.timeout = 0;
5314
5315 if ((rc = mpt_config(ioc, &cfg)) != 0)
5316 return rc;
5317
5318 if (hdr.PageLength == 0)
5319 return 0;
5320
5321 /* Read the config page */
5322 data_sz = hdr.PageLength * 4;
5323 rc = -ENOMEM;
5324 ppage_alloc = (IOUnitPage2_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma);
5325 if (ppage_alloc) {
5326 memset((u8 *)ppage_alloc, 0, data_sz);
5327 cfg.physAddr = page_dma;
5328 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5329
5330 /* If Good, save data */
5331 if ((rc = mpt_config(ioc, &cfg)) == 0)
5332 ioc->biosVersion = le32_to_cpu(ppage_alloc->BiosVersion);
5333
5334 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage_alloc, page_dma);
5335 }
5336
5337 return rc;
5338}
5339
5340/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5341/**
5342 * mpt_GetScsiPortSettings - read SCSI Port Page 0 and 2
5343 * @ioc: Pointer to a Adapter Strucutre
5344 * @portnum: IOC port number
5345 *
5346 * Return: -EFAULT if read of config page header fails
5347 * or if no nvram
5348 * If read of SCSI Port Page 0 fails,
5349 * NVRAM = MPT_HOST_NVRAM_INVALID (0xFFFFFFFF)
5350 * Adapter settings: async, narrow
5351 * Return 1
5352 * If read of SCSI Port Page 2 fails,
5353 * Adapter settings valid
5354 * NVRAM = MPT_HOST_NVRAM_INVALID (0xFFFFFFFF)
5355 * Return 1
5356 * Else
5357 * Both valid
5358 * Return 0
5359 * CHECK - what type of locking mechanisms should be used????
5360 */
5361static int
5362mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum)
5363{
5364 u8 *pbuf;
5365 dma_addr_t buf_dma;
5366 CONFIGPARMS cfg;
5367 ConfigPageHeader_t header;
5368 int ii;
5369 int data, rc = 0;
5370
5371 /* Allocate memory
5372 */
5373 if (!ioc->spi_data.nvram) {
5374 int sz;
5375 u8 *mem;
5376 sz = MPT_MAX_SCSI_DEVICES * sizeof(int);
5377 mem = kmalloc(sz, GFP_ATOMIC);
5378 if (mem == NULL)
5379 return -EFAULT;
5380
5381 ioc->spi_data.nvram = (int *) mem;
5382
5383 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SCSI device NVRAM settings @ %p, sz=%d\n",
5384 ioc->name, ioc->spi_data.nvram, sz));
5385 }
5386
5387 /* Invalidate NVRAM information
5388 */
5389 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
5390 ioc->spi_data.nvram[ii] = MPT_HOST_NVRAM_INVALID;
5391 }
5392
5393 /* Read SPP0 header, allocate memory, then read page.
5394 */
5395 header.PageVersion = 0;
5396 header.PageLength = 0;
5397 header.PageNumber = 0;
5398 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT;
5399 cfg.cfghdr.hdr = &header;
5400 cfg.physAddr = -1;
5401 cfg.pageAddr = portnum;
5402 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5403 cfg.dir = 0;
5404 cfg.timeout = 0; /* use default */
5405 if (mpt_config(ioc, &cfg) != 0)
5406 return -EFAULT;
5407
5408 if (header.PageLength > 0) {
5409 pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma);
5410 if (pbuf) {
5411 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5412 cfg.physAddr = buf_dma;
5413 if (mpt_config(ioc, &cfg) != 0) {
5414 ioc->spi_data.maxBusWidth = MPT_NARROW;
5415 ioc->spi_data.maxSyncOffset = 0;
5416 ioc->spi_data.minSyncFactor = MPT_ASYNC;
5417 ioc->spi_data.busType = MPT_HOST_BUS_UNKNOWN;
5418 rc = 1;
5419 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5420 "Unable to read PortPage0 minSyncFactor=%x\n",
5421 ioc->name, ioc->spi_data.minSyncFactor));
5422 } else {
5423 /* Save the Port Page 0 data
5424 */
5425 SCSIPortPage0_t *pPP0 = (SCSIPortPage0_t *) pbuf;
5426 pPP0->Capabilities = le32_to_cpu(pPP0->Capabilities);
5427 pPP0->PhysicalInterface = le32_to_cpu(pPP0->PhysicalInterface);
5428
5429 if ( (pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_QAS) == 0 ) {
5430 ioc->spi_data.noQas |= MPT_TARGET_NO_NEGO_QAS;
5431 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5432 "noQas due to Capabilities=%x\n",
5433 ioc->name, pPP0->Capabilities));
5434 }
5435 ioc->spi_data.maxBusWidth = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_WIDE ? 1 : 0;
5436 data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MAX_SYNC_OFFSET_MASK;
5437 if (data) {
5438 ioc->spi_data.maxSyncOffset = (u8) (data >> 16);
5439 data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MIN_SYNC_PERIOD_MASK;
5440 ioc->spi_data.minSyncFactor = (u8) (data >> 8);
5441 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5442 "PortPage0 minSyncFactor=%x\n",
5443 ioc->name, ioc->spi_data.minSyncFactor));
5444 } else {
5445 ioc->spi_data.maxSyncOffset = 0;
5446 ioc->spi_data.minSyncFactor = MPT_ASYNC;
5447 }
5448
5449 ioc->spi_data.busType = pPP0->PhysicalInterface & MPI_SCSIPORTPAGE0_PHY_SIGNAL_TYPE_MASK;
5450
5451 /* Update the minSyncFactor based on bus type.
5452 */
5453 if ((ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_HVD) ||
5454 (ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_SE)) {
5455
5456 if (ioc->spi_data.minSyncFactor < MPT_ULTRA) {
5457 ioc->spi_data.minSyncFactor = MPT_ULTRA;
5458 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
5459 "HVD or SE detected, minSyncFactor=%x\n",
5460 ioc->name, ioc->spi_data.minSyncFactor));
5461 }
5462 }
5463 }
5464 if (pbuf) {
5465 pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma);
5466 }
5467 }
5468 }
5469
5470 /* SCSI Port Page 2 - Read the header then the page.
5471 */
5472 header.PageVersion = 0;
5473 header.PageLength = 0;
5474 header.PageNumber = 2;
5475 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT;
5476 cfg.cfghdr.hdr = &header;
5477 cfg.physAddr = -1;
5478 cfg.pageAddr = portnum;
5479 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5480 cfg.dir = 0;
5481 if (mpt_config(ioc, &cfg) != 0)
5482 return -EFAULT;
5483
5484 if (header.PageLength > 0) {
5485 /* Allocate memory and read SCSI Port Page 2
5486 */
5487 pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma);
5488 if (pbuf) {
5489 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_NVRAM;
5490 cfg.physAddr = buf_dma;
5491 if (mpt_config(ioc, &cfg) != 0) {
5492 /* Nvram data is left with INVALID mark
5493 */
5494 rc = 1;
5495 } else if (ioc->pcidev->vendor == PCI_VENDOR_ID_ATTO) {
5496
5497 /* This is an ATTO adapter, read Page2 accordingly
5498 */
5499 ATTO_SCSIPortPage2_t *pPP2 = (ATTO_SCSIPortPage2_t *) pbuf;
5500 ATTODeviceInfo_t *pdevice = NULL;
5501 u16 ATTOFlags;
5502
5503 /* Save the Port Page 2 data
5504 * (reformat into a 32bit quantity)
5505 */
5506 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
5507 pdevice = &pPP2->DeviceSettings[ii];
5508 ATTOFlags = le16_to_cpu(pdevice->ATTOFlags);
5509 data = 0;
5510
5511 /* Translate ATTO device flags to LSI format
5512 */
5513 if (ATTOFlags & ATTOFLAG_DISC)
5514 data |= (MPI_SCSIPORTPAGE2_DEVICE_DISCONNECT_ENABLE);
5515 if (ATTOFlags & ATTOFLAG_ID_ENB)
5516 data |= (MPI_SCSIPORTPAGE2_DEVICE_ID_SCAN_ENABLE);
5517 if (ATTOFlags & ATTOFLAG_LUN_ENB)
5518 data |= (MPI_SCSIPORTPAGE2_DEVICE_LUN_SCAN_ENABLE);
5519 if (ATTOFlags & ATTOFLAG_TAGGED)
5520 data |= (MPI_SCSIPORTPAGE2_DEVICE_TAG_QUEUE_ENABLE);
5521 if (!(ATTOFlags & ATTOFLAG_WIDE_ENB))
5522 data |= (MPI_SCSIPORTPAGE2_DEVICE_WIDE_DISABLE);
5523
5524 data = (data << 16) | (pdevice->Period << 8) | 10;
5525 ioc->spi_data.nvram[ii] = data;
5526 }
5527 } else {
5528 SCSIPortPage2_t *pPP2 = (SCSIPortPage2_t *) pbuf;
5529 MpiDeviceInfo_t *pdevice = NULL;
5530
5531 /*
5532 * Save "Set to Avoid SCSI Bus Resets" flag
5533 */
5534 ioc->spi_data.bus_reset =
5535 (le32_to_cpu(pPP2->PortFlags) &
5536 MPI_SCSIPORTPAGE2_PORT_FLAGS_AVOID_SCSI_RESET) ?
5537 0 : 1 ;
5538
5539 /* Save the Port Page 2 data
5540 * (reformat into a 32bit quantity)
5541 */
5542 data = le32_to_cpu(pPP2->PortFlags) & MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK;
5543 ioc->spi_data.PortFlags = data;
5544 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
5545 pdevice = &pPP2->DeviceSettings[ii];
5546 data = (le16_to_cpu(pdevice->DeviceFlags) << 16) |
5547 (pdevice->SyncFactor << 8) | pdevice->Timeout;
5548 ioc->spi_data.nvram[ii] = data;
5549 }
5550 }
5551
5552 pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma);
5553 }
5554 }
5555
5556 /* Update Adapter limits with those from NVRAM
5557 * Comment: Don't need to do this. Target performance
5558 * parameters will never exceed the adapters limits.
5559 */
5560
5561 return rc;
5562}
5563
5564/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5565/**
5566 * mpt_readScsiDevicePageHeaders - save version and length of SDP1
5567 * @ioc: Pointer to a Adapter Strucutre
5568 * @portnum: IOC port number
5569 *
5570 * Return: -EFAULT if read of config page header fails
5571 * or 0 if success.
5572 */
5573static int
5574mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum)
5575{
5576 CONFIGPARMS cfg;
5577 ConfigPageHeader_t header;
5578
5579 /* Read the SCSI Device Page 1 header
5580 */
5581 header.PageVersion = 0;
5582 header.PageLength = 0;
5583 header.PageNumber = 1;
5584 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
5585 cfg.cfghdr.hdr = &header;
5586 cfg.physAddr = -1;
5587 cfg.pageAddr = portnum;
5588 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5589 cfg.dir = 0;
5590 cfg.timeout = 0;
5591 if (mpt_config(ioc, &cfg) != 0)
5592 return -EFAULT;
5593
5594 ioc->spi_data.sdp1version = cfg.cfghdr.hdr->PageVersion;
5595 ioc->spi_data.sdp1length = cfg.cfghdr.hdr->PageLength;
5596
5597 header.PageVersion = 0;
5598 header.PageLength = 0;
5599 header.PageNumber = 0;
5600 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
5601 if (mpt_config(ioc, &cfg) != 0)
5602 return -EFAULT;
5603
5604 ioc->spi_data.sdp0version = cfg.cfghdr.hdr->PageVersion;
5605 ioc->spi_data.sdp0length = cfg.cfghdr.hdr->PageLength;
5606
5607 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 0: version %d length %d\n",
5608 ioc->name, ioc->spi_data.sdp0version, ioc->spi_data.sdp0length));
5609
5610 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 1: version %d length %d\n",
5611 ioc->name, ioc->spi_data.sdp1version, ioc->spi_data.sdp1length));
5612 return 0;
5613}
5614
5615/**
5616 * mpt_inactive_raid_list_free - This clears this link list.
5617 * @ioc : pointer to per adapter structure
5618 **/
5619static void
5620mpt_inactive_raid_list_free(MPT_ADAPTER *ioc)
5621{
5622 struct inactive_raid_component_info *component_info, *pNext;
5623
5624 if (list_empty(&ioc->raid_data.inactive_list))
5625 return;
5626
5627 mutex_lock(&ioc->raid_data.inactive_list_mutex);
5628 list_for_each_entry_safe(component_info, pNext,
5629 &ioc->raid_data.inactive_list, list) {
5630 list_del(&component_info->list);
5631 kfree(component_info);
5632 }
5633 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
5634}
5635
5636/**
5637 * mpt_inactive_raid_volumes - sets up link list of phy_disk_nums for devices belonging in an inactive volume
5638 *
5639 * @ioc : pointer to per adapter structure
5640 * @channel : volume channel
5641 * @id : volume target id
5642 **/
5643static void
5644mpt_inactive_raid_volumes(MPT_ADAPTER *ioc, u8 channel, u8 id)
5645{
5646 CONFIGPARMS cfg;
5647 ConfigPageHeader_t hdr;
5648 dma_addr_t dma_handle;
5649 pRaidVolumePage0_t buffer = NULL;
5650 int i;
5651 RaidPhysDiskPage0_t phys_disk;
5652 struct inactive_raid_component_info *component_info;
5653 int handle_inactive_volumes;
5654
5655 memset(&cfg, 0 , sizeof(CONFIGPARMS));
5656 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5657 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
5658 cfg.pageAddr = (channel << 8) + id;
5659 cfg.cfghdr.hdr = &hdr;
5660 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5661
5662 if (mpt_config(ioc, &cfg) != 0)
5663 goto out;
5664
5665 if (!hdr.PageLength)
5666 goto out;
5667
5668 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5669 &dma_handle);
5670
5671 if (!buffer)
5672 goto out;
5673
5674 cfg.physAddr = dma_handle;
5675 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5676
5677 if (mpt_config(ioc, &cfg) != 0)
5678 goto out;
5679
5680 if (!buffer->NumPhysDisks)
5681 goto out;
5682
5683 handle_inactive_volumes =
5684 (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE ||
5685 (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED) == 0 ||
5686 buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_FAILED ||
5687 buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_MISSING) ? 1 : 0;
5688
5689 if (!handle_inactive_volumes)
5690 goto out;
5691
5692 mutex_lock(&ioc->raid_data.inactive_list_mutex);
5693 for (i = 0; i < buffer->NumPhysDisks; i++) {
5694 if(mpt_raid_phys_disk_pg0(ioc,
5695 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
5696 continue;
5697
5698 if ((component_info = kmalloc(sizeof (*component_info),
5699 GFP_KERNEL)) == NULL)
5700 continue;
5701
5702 component_info->volumeID = id;
5703 component_info->volumeBus = channel;
5704 component_info->d.PhysDiskNum = phys_disk.PhysDiskNum;
5705 component_info->d.PhysDiskBus = phys_disk.PhysDiskBus;
5706 component_info->d.PhysDiskID = phys_disk.PhysDiskID;
5707 component_info->d.PhysDiskIOC = phys_disk.PhysDiskIOC;
5708
5709 list_add_tail(&component_info->list,
5710 &ioc->raid_data.inactive_list);
5711 }
5712 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
5713
5714 out:
5715 if (buffer)
5716 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5717 dma_handle);
5718}
5719
5720/**
5721 * mpt_raid_phys_disk_pg0 - returns phys disk page zero
5722 * @ioc: Pointer to a Adapter Structure
5723 * @phys_disk_num: io unit unique phys disk num generated by the ioc
5724 * @phys_disk: requested payload data returned
5725 *
5726 * Return:
5727 * 0 on success
5728 * -EFAULT if read of config page header fails or data pointer not NULL
5729 * -ENOMEM if pci_alloc failed
5730 **/
5731int
5732mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num,
5733 RaidPhysDiskPage0_t *phys_disk)
5734{
5735 CONFIGPARMS cfg;
5736 ConfigPageHeader_t hdr;
5737 dma_addr_t dma_handle;
5738 pRaidPhysDiskPage0_t buffer = NULL;
5739 int rc;
5740
5741 memset(&cfg, 0 , sizeof(CONFIGPARMS));
5742 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5743 memset(phys_disk, 0, sizeof(RaidPhysDiskPage0_t));
5744
5745 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE0_PAGEVERSION;
5746 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
5747 cfg.cfghdr.hdr = &hdr;
5748 cfg.physAddr = -1;
5749 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5750
5751 if (mpt_config(ioc, &cfg) != 0) {
5752 rc = -EFAULT;
5753 goto out;
5754 }
5755
5756 if (!hdr.PageLength) {
5757 rc = -EFAULT;
5758 goto out;
5759 }
5760
5761 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5762 &dma_handle);
5763
5764 if (!buffer) {
5765 rc = -ENOMEM;
5766 goto out;
5767 }
5768
5769 cfg.physAddr = dma_handle;
5770 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5771 cfg.pageAddr = phys_disk_num;
5772
5773 if (mpt_config(ioc, &cfg) != 0) {
5774 rc = -EFAULT;
5775 goto out;
5776 }
5777
5778 rc = 0;
5779 memcpy(phys_disk, buffer, sizeof(*buffer));
5780 phys_disk->MaxLBA = le32_to_cpu(buffer->MaxLBA);
5781
5782 out:
5783
5784 if (buffer)
5785 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5786 dma_handle);
5787
5788 return rc;
5789}
5790
5791/**
5792 * mpt_raid_phys_disk_get_num_paths - returns number paths associated to this phys_num
5793 * @ioc: Pointer to a Adapter Structure
5794 * @phys_disk_num: io unit unique phys disk num generated by the ioc
5795 *
5796 * Return:
5797 * returns number paths
5798 **/
5799int
5800mpt_raid_phys_disk_get_num_paths(MPT_ADAPTER *ioc, u8 phys_disk_num)
5801{
5802 CONFIGPARMS cfg;
5803 ConfigPageHeader_t hdr;
5804 dma_addr_t dma_handle;
5805 pRaidPhysDiskPage1_t buffer = NULL;
5806 int rc;
5807
5808 memset(&cfg, 0 , sizeof(CONFIGPARMS));
5809 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5810
5811 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE1_PAGEVERSION;
5812 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
5813 hdr.PageNumber = 1;
5814 cfg.cfghdr.hdr = &hdr;
5815 cfg.physAddr = -1;
5816 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5817
5818 if (mpt_config(ioc, &cfg) != 0) {
5819 rc = 0;
5820 goto out;
5821 }
5822
5823 if (!hdr.PageLength) {
5824 rc = 0;
5825 goto out;
5826 }
5827
5828 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5829 &dma_handle);
5830
5831 if (!buffer) {
5832 rc = 0;
5833 goto out;
5834 }
5835
5836 cfg.physAddr = dma_handle;
5837 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5838 cfg.pageAddr = phys_disk_num;
5839
5840 if (mpt_config(ioc, &cfg) != 0) {
5841 rc = 0;
5842 goto out;
5843 }
5844
5845 rc = buffer->NumPhysDiskPaths;
5846 out:
5847
5848 if (buffer)
5849 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5850 dma_handle);
5851
5852 return rc;
5853}
5854EXPORT_SYMBOL(mpt_raid_phys_disk_get_num_paths);
5855
5856/**
5857 * mpt_raid_phys_disk_pg1 - returns phys disk page 1
5858 * @ioc: Pointer to a Adapter Structure
5859 * @phys_disk_num: io unit unique phys disk num generated by the ioc
5860 * @phys_disk: requested payload data returned
5861 *
5862 * Return:
5863 * 0 on success
5864 * -EFAULT if read of config page header fails or data pointer not NULL
5865 * -ENOMEM if pci_alloc failed
5866 **/
5867int
5868mpt_raid_phys_disk_pg1(MPT_ADAPTER *ioc, u8 phys_disk_num,
5869 RaidPhysDiskPage1_t *phys_disk)
5870{
5871 CONFIGPARMS cfg;
5872 ConfigPageHeader_t hdr;
5873 dma_addr_t dma_handle;
5874 pRaidPhysDiskPage1_t buffer = NULL;
5875 int rc;
5876 int i;
5877 __le64 sas_address;
5878
5879 memset(&cfg, 0 , sizeof(CONFIGPARMS));
5880 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
5881 rc = 0;
5882
5883 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE1_PAGEVERSION;
5884 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
5885 hdr.PageNumber = 1;
5886 cfg.cfghdr.hdr = &hdr;
5887 cfg.physAddr = -1;
5888 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5889
5890 if (mpt_config(ioc, &cfg) != 0) {
5891 rc = -EFAULT;
5892 goto out;
5893 }
5894
5895 if (!hdr.PageLength) {
5896 rc = -EFAULT;
5897 goto out;
5898 }
5899
5900 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
5901 &dma_handle);
5902
5903 if (!buffer) {
5904 rc = -ENOMEM;
5905 goto out;
5906 }
5907
5908 cfg.physAddr = dma_handle;
5909 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
5910 cfg.pageAddr = phys_disk_num;
5911
5912 if (mpt_config(ioc, &cfg) != 0) {
5913 rc = -EFAULT;
5914 goto out;
5915 }
5916
5917 phys_disk->NumPhysDiskPaths = buffer->NumPhysDiskPaths;
5918 phys_disk->PhysDiskNum = phys_disk_num;
5919 for (i = 0; i < phys_disk->NumPhysDiskPaths; i++) {
5920 phys_disk->Path[i].PhysDiskID = buffer->Path[i].PhysDiskID;
5921 phys_disk->Path[i].PhysDiskBus = buffer->Path[i].PhysDiskBus;
5922 phys_disk->Path[i].OwnerIdentifier =
5923 buffer->Path[i].OwnerIdentifier;
5924 phys_disk->Path[i].Flags = le16_to_cpu(buffer->Path[i].Flags);
5925 memcpy(&sas_address, &buffer->Path[i].WWID, sizeof(__le64));
5926 sas_address = le64_to_cpu(sas_address);
5927 memcpy(&phys_disk->Path[i].WWID, &sas_address, sizeof(__le64));
5928 memcpy(&sas_address,
5929 &buffer->Path[i].OwnerWWID, sizeof(__le64));
5930 sas_address = le64_to_cpu(sas_address);
5931 memcpy(&phys_disk->Path[i].OwnerWWID,
5932 &sas_address, sizeof(__le64));
5933 }
5934
5935 out:
5936
5937 if (buffer)
5938 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
5939 dma_handle);
5940
5941 return rc;
5942}
5943EXPORT_SYMBOL(mpt_raid_phys_disk_pg1);
5944
5945
5946/**
5947 * mpt_findImVolumes - Identify IDs of hidden disks and RAID Volumes
5948 * @ioc: Pointer to a Adapter Strucutre
5949 *
5950 * Return:
5951 * 0 on success
5952 * -EFAULT if read of config page header fails or data pointer not NULL
5953 * -ENOMEM if pci_alloc failed
5954 **/
5955int
5956mpt_findImVolumes(MPT_ADAPTER *ioc)
5957{
5958 IOCPage2_t *pIoc2;
5959 u8 *mem;
5960 dma_addr_t ioc2_dma;
5961 CONFIGPARMS cfg;
5962 ConfigPageHeader_t header;
5963 int rc = 0;
5964 int iocpage2sz;
5965 int i;
5966
5967 if (!ioc->ir_firmware)
5968 return 0;
5969
5970 /* Free the old page
5971 */
5972 kfree(ioc->raid_data.pIocPg2);
5973 ioc->raid_data.pIocPg2 = NULL;
5974 mpt_inactive_raid_list_free(ioc);
5975
5976 /* Read IOCP2 header then the page.
5977 */
5978 header.PageVersion = 0;
5979 header.PageLength = 0;
5980 header.PageNumber = 2;
5981 header.PageType = MPI_CONFIG_PAGETYPE_IOC;
5982 cfg.cfghdr.hdr = &header;
5983 cfg.physAddr = -1;
5984 cfg.pageAddr = 0;
5985 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
5986 cfg.dir = 0;
5987 cfg.timeout = 0;
5988 if (mpt_config(ioc, &cfg) != 0)
5989 return -EFAULT;
5990
5991 if (header.PageLength == 0)
5992 return -EFAULT;
5993
5994 iocpage2sz = header.PageLength * 4;
5995 pIoc2 = pci_alloc_consistent(ioc->pcidev, iocpage2sz, &ioc2_dma);
5996 if (!pIoc2)
5997 return -ENOMEM;
5998
5999 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6000 cfg.physAddr = ioc2_dma;
6001 if (mpt_config(ioc, &cfg) != 0)
6002 goto out;
6003
6004 mem = kmemdup(pIoc2, iocpage2sz, GFP_KERNEL);
6005 if (!mem) {
6006 rc = -ENOMEM;
6007 goto out;
6008 }
6009
6010 ioc->raid_data.pIocPg2 = (IOCPage2_t *) mem;
6011
6012 mpt_read_ioc_pg_3(ioc);
6013
6014 for (i = 0; i < pIoc2->NumActiveVolumes ; i++)
6015 mpt_inactive_raid_volumes(ioc,
6016 pIoc2->RaidVolume[i].VolumeBus,
6017 pIoc2->RaidVolume[i].VolumeID);
6018
6019 out:
6020 pci_free_consistent(ioc->pcidev, iocpage2sz, pIoc2, ioc2_dma);
6021
6022 return rc;
6023}
6024
6025static int
6026mpt_read_ioc_pg_3(MPT_ADAPTER *ioc)
6027{
6028 IOCPage3_t *pIoc3;
6029 u8 *mem;
6030 CONFIGPARMS cfg;
6031 ConfigPageHeader_t header;
6032 dma_addr_t ioc3_dma;
6033 int iocpage3sz = 0;
6034
6035 /* Free the old page
6036 */
6037 kfree(ioc->raid_data.pIocPg3);
6038 ioc->raid_data.pIocPg3 = NULL;
6039
6040 /* There is at least one physical disk.
6041 * Read and save IOC Page 3
6042 */
6043 header.PageVersion = 0;
6044 header.PageLength = 0;
6045 header.PageNumber = 3;
6046 header.PageType = MPI_CONFIG_PAGETYPE_IOC;
6047 cfg.cfghdr.hdr = &header;
6048 cfg.physAddr = -1;
6049 cfg.pageAddr = 0;
6050 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
6051 cfg.dir = 0;
6052 cfg.timeout = 0;
6053 if (mpt_config(ioc, &cfg) != 0)
6054 return 0;
6055
6056 if (header.PageLength == 0)
6057 return 0;
6058
6059 /* Read Header good, alloc memory
6060 */
6061 iocpage3sz = header.PageLength * 4;
6062 pIoc3 = pci_alloc_consistent(ioc->pcidev, iocpage3sz, &ioc3_dma);
6063 if (!pIoc3)
6064 return 0;
6065
6066 /* Read the Page and save the data
6067 * into malloc'd memory.
6068 */
6069 cfg.physAddr = ioc3_dma;
6070 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6071 if (mpt_config(ioc, &cfg) == 0) {
6072 mem = kmalloc(iocpage3sz, GFP_KERNEL);
6073 if (mem) {
6074 memcpy(mem, (u8 *)pIoc3, iocpage3sz);
6075 ioc->raid_data.pIocPg3 = (IOCPage3_t *) mem;
6076 }
6077 }
6078
6079 pci_free_consistent(ioc->pcidev, iocpage3sz, pIoc3, ioc3_dma);
6080
6081 return 0;
6082}
6083
6084static void
6085mpt_read_ioc_pg_4(MPT_ADAPTER *ioc)
6086{
6087 IOCPage4_t *pIoc4;
6088 CONFIGPARMS cfg;
6089 ConfigPageHeader_t header;
6090 dma_addr_t ioc4_dma;
6091 int iocpage4sz;
6092
6093 /* Read and save IOC Page 4
6094 */
6095 header.PageVersion = 0;
6096 header.PageLength = 0;
6097 header.PageNumber = 4;
6098 header.PageType = MPI_CONFIG_PAGETYPE_IOC;
6099 cfg.cfghdr.hdr = &header;
6100 cfg.physAddr = -1;
6101 cfg.pageAddr = 0;
6102 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
6103 cfg.dir = 0;
6104 cfg.timeout = 0;
6105 if (mpt_config(ioc, &cfg) != 0)
6106 return;
6107
6108 if (header.PageLength == 0)
6109 return;
6110
6111 if ( (pIoc4 = ioc->spi_data.pIocPg4) == NULL ) {
6112 iocpage4sz = (header.PageLength + 4) * 4; /* Allow 4 additional SEP's */
6113 pIoc4 = pci_alloc_consistent(ioc->pcidev, iocpage4sz, &ioc4_dma);
6114 if (!pIoc4)
6115 return;
6116 ioc->alloc_total += iocpage4sz;
6117 } else {
6118 ioc4_dma = ioc->spi_data.IocPg4_dma;
6119 iocpage4sz = ioc->spi_data.IocPg4Sz;
6120 }
6121
6122 /* Read the Page into dma memory.
6123 */
6124 cfg.physAddr = ioc4_dma;
6125 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6126 if (mpt_config(ioc, &cfg) == 0) {
6127 ioc->spi_data.pIocPg4 = (IOCPage4_t *) pIoc4;
6128 ioc->spi_data.IocPg4_dma = ioc4_dma;
6129 ioc->spi_data.IocPg4Sz = iocpage4sz;
6130 } else {
6131 pci_free_consistent(ioc->pcidev, iocpage4sz, pIoc4, ioc4_dma);
6132 ioc->spi_data.pIocPg4 = NULL;
6133 ioc->alloc_total -= iocpage4sz;
6134 }
6135}
6136
6137static void
6138mpt_read_ioc_pg_1(MPT_ADAPTER *ioc)
6139{
6140 IOCPage1_t *pIoc1;
6141 CONFIGPARMS cfg;
6142 ConfigPageHeader_t header;
6143 dma_addr_t ioc1_dma;
6144 int iocpage1sz = 0;
6145 u32 tmp;
6146
6147 /* Check the Coalescing Timeout in IOC Page 1
6148 */
6149 header.PageVersion = 0;
6150 header.PageLength = 0;
6151 header.PageNumber = 1;
6152 header.PageType = MPI_CONFIG_PAGETYPE_IOC;
6153 cfg.cfghdr.hdr = &header;
6154 cfg.physAddr = -1;
6155 cfg.pageAddr = 0;
6156 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
6157 cfg.dir = 0;
6158 cfg.timeout = 0;
6159 if (mpt_config(ioc, &cfg) != 0)
6160 return;
6161
6162 if (header.PageLength == 0)
6163 return;
6164
6165 /* Read Header good, alloc memory
6166 */
6167 iocpage1sz = header.PageLength * 4;
6168 pIoc1 = pci_alloc_consistent(ioc->pcidev, iocpage1sz, &ioc1_dma);
6169 if (!pIoc1)
6170 return;
6171
6172 /* Read the Page and check coalescing timeout
6173 */
6174 cfg.physAddr = ioc1_dma;
6175 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6176 if (mpt_config(ioc, &cfg) == 0) {
6177
6178 tmp = le32_to_cpu(pIoc1->Flags) & MPI_IOCPAGE1_REPLY_COALESCING;
6179 if (tmp == MPI_IOCPAGE1_REPLY_COALESCING) {
6180 tmp = le32_to_cpu(pIoc1->CoalescingTimeout);
6181
6182 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Coalescing Enabled Timeout = %d\n",
6183 ioc->name, tmp));
6184
6185 if (tmp > MPT_COALESCING_TIMEOUT) {
6186 pIoc1->CoalescingTimeout = cpu_to_le32(MPT_COALESCING_TIMEOUT);
6187
6188 /* Write NVRAM and current
6189 */
6190 cfg.dir = 1;
6191 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
6192 if (mpt_config(ioc, &cfg) == 0) {
6193 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Reset Current Coalescing Timeout to = %d\n",
6194 ioc->name, MPT_COALESCING_TIMEOUT));
6195
6196 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM;
6197 if (mpt_config(ioc, &cfg) == 0) {
6198 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6199 "Reset NVRAM Coalescing Timeout to = %d\n",
6200 ioc->name, MPT_COALESCING_TIMEOUT));
6201 } else {
6202 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6203 "Reset NVRAM Coalescing Timeout Failed\n",
6204 ioc->name));
6205 }
6206
6207 } else {
6208 dprintk(ioc, printk(MYIOC_s_WARN_FMT
6209 "Reset of Current Coalescing Timeout Failed!\n",
6210 ioc->name));
6211 }
6212 }
6213
6214 } else {
6215 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Coalescing Disabled\n", ioc->name));
6216 }
6217 }
6218
6219 pci_free_consistent(ioc->pcidev, iocpage1sz, pIoc1, ioc1_dma);
6220
6221 return;
6222}
6223
6224static void
6225mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc)
6226{
6227 CONFIGPARMS cfg;
6228 ConfigPageHeader_t hdr;
6229 dma_addr_t buf_dma;
6230 ManufacturingPage0_t *pbuf = NULL;
6231
6232 memset(&cfg, 0 , sizeof(CONFIGPARMS));
6233 memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
6234
6235 hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING;
6236 cfg.cfghdr.hdr = &hdr;
6237 cfg.physAddr = -1;
6238 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
6239 cfg.timeout = 10;
6240
6241 if (mpt_config(ioc, &cfg) != 0)
6242 goto out;
6243
6244 if (!cfg.cfghdr.hdr->PageLength)
6245 goto out;
6246
6247 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
6248 pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma);
6249 if (!pbuf)
6250 goto out;
6251
6252 cfg.physAddr = buf_dma;
6253
6254 if (mpt_config(ioc, &cfg) != 0)
6255 goto out;
6256
6257 memcpy(ioc->board_name, pbuf->BoardName, sizeof(ioc->board_name));
6258 memcpy(ioc->board_assembly, pbuf->BoardAssembly, sizeof(ioc->board_assembly));
6259 memcpy(ioc->board_tracer, pbuf->BoardTracerNumber, sizeof(ioc->board_tracer));
6260
6261out:
6262
6263 if (pbuf)
6264 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma);
6265}
6266
6267/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6268/**
6269 * SendEventNotification - Send EventNotification (on or off) request to adapter
6270 * @ioc: Pointer to MPT_ADAPTER structure
6271 * @EvSwitch: Event switch flags
6272 * @sleepFlag: Specifies whether the process can sleep
6273 */
6274static int
6275SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch, int sleepFlag)
6276{
6277 EventNotification_t evn;
6278 MPIDefaultReply_t reply_buf;
6279
6280 memset(&evn, 0, sizeof(EventNotification_t));
6281 memset(&reply_buf, 0, sizeof(MPIDefaultReply_t));
6282
6283 evn.Function = MPI_FUNCTION_EVENT_NOTIFICATION;
6284 evn.Switch = EvSwitch;
6285 evn.MsgContext = cpu_to_le32(mpt_base_index << 16);
6286
6287 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6288 "Sending EventNotification (%d) request %p\n",
6289 ioc->name, EvSwitch, &evn));
6290
6291 return mpt_handshake_req_reply_wait(ioc, sizeof(EventNotification_t),
6292 (u32 *)&evn, sizeof(MPIDefaultReply_t), (u16 *)&reply_buf, 30,
6293 sleepFlag);
6294}
6295
6296/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6297/**
6298 * SendEventAck - Send EventAck request to MPT adapter.
6299 * @ioc: Pointer to MPT_ADAPTER structure
6300 * @evnp: Pointer to original EventNotification request
6301 */
6302static int
6303SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp)
6304{
6305 EventAck_t *pAck;
6306
6307 if ((pAck = (EventAck_t *) mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
6308 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s, no msg frames!!\n",
6309 ioc->name, __func__));
6310 return -1;
6311 }
6312
6313 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending EventAck\n", ioc->name));
6314
6315 pAck->Function = MPI_FUNCTION_EVENT_ACK;
6316 pAck->ChainOffset = 0;
6317 pAck->Reserved[0] = pAck->Reserved[1] = 0;
6318 pAck->MsgFlags = 0;
6319 pAck->Reserved1[0] = pAck->Reserved1[1] = pAck->Reserved1[2] = 0;
6320 pAck->Event = evnp->Event;
6321 pAck->EventContext = evnp->EventContext;
6322
6323 mpt_put_msg_frame(mpt_base_index, ioc, (MPT_FRAME_HDR *)pAck);
6324
6325 return 0;
6326}
6327
6328/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6329/**
6330 * mpt_config - Generic function to issue config message
6331 * @ioc: Pointer to an adapter structure
6332 * @pCfg: Pointer to a configuration structure. Struct contains
6333 * action, page address, direction, physical address
6334 * and pointer to a configuration page header
6335 * Page header is updated.
6336 *
6337 * Returns 0 for success
6338 * -EPERM if not allowed due to ISR context
6339 * -EAGAIN if no msg frames currently available
6340 * -EFAULT for non-successful reply or no reply (timeout)
6341 */
6342int
6343mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
6344{
6345 Config_t *pReq;
6346 ConfigReply_t *pReply;
6347 ConfigExtendedPageHeader_t *pExtHdr = NULL;
6348 MPT_FRAME_HDR *mf;
6349 int ii;
6350 int flagsLength;
6351 long timeout;
6352 int ret;
6353 u8 page_type = 0, extend_page;
6354 unsigned long timeleft;
6355 unsigned long flags;
6356 int in_isr;
6357 u8 issue_hard_reset = 0;
6358 u8 retry_count = 0;
6359
6360 /* Prevent calling wait_event() (below), if caller happens
6361 * to be in ISR context, because that is fatal!
6362 */
6363 in_isr = in_interrupt();
6364 if (in_isr) {
6365 dcprintk(ioc, printk(MYIOC_s_WARN_FMT "Config request not allowed in ISR context!\n",
6366 ioc->name));
6367 return -EPERM;
6368 }
6369
6370 /* don't send a config page during diag reset */
6371 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6372 if (ioc->ioc_reset_in_progress) {
6373 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6374 "%s: busy with host reset\n", ioc->name, __func__));
6375 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6376 return -EBUSY;
6377 }
6378 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6379
6380 /* don't send if no chance of success */
6381 if (!ioc->active ||
6382 mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_OPERATIONAL) {
6383 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6384 "%s: ioc not operational, %d, %xh\n",
6385 ioc->name, __func__, ioc->active,
6386 mpt_GetIocState(ioc, 0)));
6387 return -EFAULT;
6388 }
6389
6390 retry_config:
6391 mutex_lock(&ioc->mptbase_cmds.mutex);
6392 /* init the internal cmd struct */
6393 memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE);
6394 INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status)
6395
6396 /* Get and Populate a free Frame
6397 */
6398 if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
6399 dcprintk(ioc, printk(MYIOC_s_WARN_FMT
6400 "mpt_config: no msg frames!\n", ioc->name));
6401 ret = -EAGAIN;
6402 goto out;
6403 }
6404
6405 pReq = (Config_t *)mf;
6406 pReq->Action = pCfg->action;
6407 pReq->Reserved = 0;
6408 pReq->ChainOffset = 0;
6409 pReq->Function = MPI_FUNCTION_CONFIG;
6410
6411 /* Assume page type is not extended and clear "reserved" fields. */
6412 pReq->ExtPageLength = 0;
6413 pReq->ExtPageType = 0;
6414 pReq->MsgFlags = 0;
6415
6416 for (ii=0; ii < 8; ii++)
6417 pReq->Reserved2[ii] = 0;
6418
6419 pReq->Header.PageVersion = pCfg->cfghdr.hdr->PageVersion;
6420 pReq->Header.PageLength = pCfg->cfghdr.hdr->PageLength;
6421 pReq->Header.PageNumber = pCfg->cfghdr.hdr->PageNumber;
6422 pReq->Header.PageType = (pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK);
6423
6424 if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) == MPI_CONFIG_PAGETYPE_EXTENDED) {
6425 pExtHdr = (ConfigExtendedPageHeader_t *)pCfg->cfghdr.ehdr;
6426 pReq->ExtPageLength = cpu_to_le16(pExtHdr->ExtPageLength);
6427 pReq->ExtPageType = pExtHdr->ExtPageType;
6428 pReq->Header.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
6429
6430 /* Page Length must be treated as a reserved field for the
6431 * extended header.
6432 */
6433 pReq->Header.PageLength = 0;
6434 }
6435
6436 pReq->PageAddress = cpu_to_le32(pCfg->pageAddr);
6437
6438 /* Add a SGE to the config request.
6439 */
6440 if (pCfg->dir)
6441 flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE;
6442 else
6443 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ;
6444
6445 if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) ==
6446 MPI_CONFIG_PAGETYPE_EXTENDED) {
6447 flagsLength |= pExtHdr->ExtPageLength * 4;
6448 page_type = pReq->ExtPageType;
6449 extend_page = 1;
6450 } else {
6451 flagsLength |= pCfg->cfghdr.hdr->PageLength * 4;
6452 page_type = pReq->Header.PageType;
6453 extend_page = 0;
6454 }
6455
6456 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6457 "Sending Config request type 0x%x, page 0x%x and action %d\n",
6458 ioc->name, page_type, pReq->Header.PageNumber, pReq->Action));
6459
6460 ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, pCfg->physAddr);
6461 timeout = (pCfg->timeout < 15) ? HZ*15 : HZ*pCfg->timeout;
6462 mpt_put_msg_frame(mpt_base_index, ioc, mf);
6463 timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done,
6464 timeout);
6465 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
6466 ret = -ETIME;
6467 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6468 "Failed Sending Config request type 0x%x, page 0x%x,"
6469 " action %d, status %xh, time left %ld\n\n",
6470 ioc->name, page_type, pReq->Header.PageNumber,
6471 pReq->Action, ioc->mptbase_cmds.status, timeleft));
6472 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
6473 goto out;
6474 if (!timeleft) {
6475 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6476 if (ioc->ioc_reset_in_progress) {
6477 spin_unlock_irqrestore(&ioc->taskmgmt_lock,
6478 flags);
6479 printk(MYIOC_s_INFO_FMT "%s: host reset in"
6480 " progress mpt_config timed out.!!\n",
6481 __func__, ioc->name);
6482 mutex_unlock(&ioc->mptbase_cmds.mutex);
6483 return -EFAULT;
6484 }
6485 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6486 issue_hard_reset = 1;
6487 }
6488 goto out;
6489 }
6490
6491 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
6492 ret = -1;
6493 goto out;
6494 }
6495 pReply = (ConfigReply_t *)ioc->mptbase_cmds.reply;
6496 ret = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
6497 if (ret == MPI_IOCSTATUS_SUCCESS) {
6498 if (extend_page) {
6499 pCfg->cfghdr.ehdr->ExtPageLength =
6500 le16_to_cpu(pReply->ExtPageLength);
6501 pCfg->cfghdr.ehdr->ExtPageType =
6502 pReply->ExtPageType;
6503 }
6504 pCfg->cfghdr.hdr->PageVersion = pReply->Header.PageVersion;
6505 pCfg->cfghdr.hdr->PageLength = pReply->Header.PageLength;
6506 pCfg->cfghdr.hdr->PageNumber = pReply->Header.PageNumber;
6507 pCfg->cfghdr.hdr->PageType = pReply->Header.PageType;
6508
6509 }
6510
6511 if (retry_count)
6512 printk(MYIOC_s_INFO_FMT "Retry completed "
6513 "ret=0x%x timeleft=%ld\n",
6514 ioc->name, ret, timeleft);
6515
6516 dcprintk(ioc, printk(KERN_DEBUG "IOCStatus=%04xh, IOCLogInfo=%08xh\n",
6517 ret, le32_to_cpu(pReply->IOCLogInfo)));
6518
6519out:
6520
6521 CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status)
6522 mutex_unlock(&ioc->mptbase_cmds.mutex);
6523 if (issue_hard_reset) {
6524 issue_hard_reset = 0;
6525 printk(MYIOC_s_WARN_FMT
6526 "Issuing Reset from %s!!, doorbell=0x%08x\n",
6527 ioc->name, __func__, mpt_GetIocState(ioc, 0));
6528 if (retry_count == 0) {
6529 if (mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP) != 0)
6530 retry_count++;
6531 } else
6532 mpt_HardResetHandler(ioc, CAN_SLEEP);
6533
6534 mpt_free_msg_frame(ioc, mf);
6535 /* attempt one retry for a timed out command */
6536 if (retry_count < 2) {
6537 printk(MYIOC_s_INFO_FMT
6538 "Attempting Retry Config request"
6539 " type 0x%x, page 0x%x,"
6540 " action %d\n", ioc->name, page_type,
6541 pCfg->cfghdr.hdr->PageNumber, pCfg->action);
6542 retry_count++;
6543 goto retry_config;
6544 }
6545 }
6546 return ret;
6547
6548}
6549
6550/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6551/**
6552 * mpt_ioc_reset - Base cleanup for hard reset
6553 * @ioc: Pointer to the adapter structure
6554 * @reset_phase: Indicates pre- or post-reset functionality
6555 *
6556 * Remark: Frees resources with internally generated commands.
6557 */
6558static int
6559mpt_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
6560{
6561 switch (reset_phase) {
6562 case MPT_IOC_SETUP_RESET:
6563 ioc->taskmgmt_quiesce_io = 1;
6564 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6565 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
6566 break;
6567 case MPT_IOC_PRE_RESET:
6568 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6569 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
6570 break;
6571 case MPT_IOC_POST_RESET:
6572 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6573 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
6574/* wake up mptbase_cmds */
6575 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) {
6576 ioc->mptbase_cmds.status |=
6577 MPT_MGMT_STATUS_DID_IOCRESET;
6578 complete(&ioc->mptbase_cmds.done);
6579 }
6580/* wake up taskmgmt_cmds */
6581 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
6582 ioc->taskmgmt_cmds.status |=
6583 MPT_MGMT_STATUS_DID_IOCRESET;
6584 complete(&ioc->taskmgmt_cmds.done);
6585 }
6586 break;
6587 default:
6588 break;
6589 }
6590
6591 return 1; /* currently means nothing really */
6592}
6593
6594
6595#ifdef CONFIG_PROC_FS /* { */
6596/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6597/*
6598 * procfs (%MPT_PROCFS_MPTBASEDIR/...) support stuff...
6599 */
6600/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6601/**
6602 * procmpt_create - Create %MPT_PROCFS_MPTBASEDIR entries.
6603 *
6604 * Returns 0 for success, non-zero for failure.
6605 */
6606static int
6607procmpt_create(void)
6608{
6609 mpt_proc_root_dir = proc_mkdir(MPT_PROCFS_MPTBASEDIR, NULL);
6610 if (mpt_proc_root_dir == NULL)
6611 return -ENOTDIR;
6612
6613 proc_create_single("summary", S_IRUGO, mpt_proc_root_dir,
6614 mpt_summary_proc_show);
6615 proc_create_single("version", S_IRUGO, mpt_proc_root_dir,
6616 mpt_version_proc_show);
6617 return 0;
6618}
6619
6620/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6621/**
6622 * procmpt_destroy - Tear down %MPT_PROCFS_MPTBASEDIR entries.
6623 *
6624 * Returns 0 for success, non-zero for failure.
6625 */
6626static void
6627procmpt_destroy(void)
6628{
6629 remove_proc_entry("version", mpt_proc_root_dir);
6630 remove_proc_entry("summary", mpt_proc_root_dir);
6631 remove_proc_entry(MPT_PROCFS_MPTBASEDIR, NULL);
6632}
6633
6634/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6635/*
6636 * Handles read request from /proc/mpt/summary or /proc/mpt/iocN/summary.
6637 */
6638static void seq_mpt_print_ioc_summary(MPT_ADAPTER *ioc, struct seq_file *m, int showlan);
6639
6640static int mpt_summary_proc_show(struct seq_file *m, void *v)
6641{
6642 MPT_ADAPTER *ioc = m->private;
6643
6644 if (ioc) {
6645 seq_mpt_print_ioc_summary(ioc, m, 1);
6646 } else {
6647 list_for_each_entry(ioc, &ioc_list, list) {
6648 seq_mpt_print_ioc_summary(ioc, m, 1);
6649 }
6650 }
6651
6652 return 0;
6653}
6654
6655static int mpt_version_proc_show(struct seq_file *m, void *v)
6656{
6657 u8 cb_idx;
6658 int scsi, fc, sas, lan, ctl, targ, dmp;
6659 char *drvname;
6660
6661 seq_printf(m, "%s-%s\n", "mptlinux", MPT_LINUX_VERSION_COMMON);
6662 seq_printf(m, " Fusion MPT base driver\n");
6663
6664 scsi = fc = sas = lan = ctl = targ = dmp = 0;
6665 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
6666 drvname = NULL;
6667 if (MptCallbacks[cb_idx]) {
6668 switch (MptDriverClass[cb_idx]) {
6669 case MPTSPI_DRIVER:
6670 if (!scsi++) drvname = "SPI host";
6671 break;
6672 case MPTFC_DRIVER:
6673 if (!fc++) drvname = "FC host";
6674 break;
6675 case MPTSAS_DRIVER:
6676 if (!sas++) drvname = "SAS host";
6677 break;
6678 case MPTLAN_DRIVER:
6679 if (!lan++) drvname = "LAN";
6680 break;
6681 case MPTSTM_DRIVER:
6682 if (!targ++) drvname = "SCSI target";
6683 break;
6684 case MPTCTL_DRIVER:
6685 if (!ctl++) drvname = "ioctl";
6686 break;
6687 }
6688
6689 if (drvname)
6690 seq_printf(m, " Fusion MPT %s driver\n", drvname);
6691 }
6692 }
6693
6694 return 0;
6695}
6696
6697static int mpt_iocinfo_proc_show(struct seq_file *m, void *v)
6698{
6699 MPT_ADAPTER *ioc = m->private;
6700 char expVer[32];
6701 int sz;
6702 int p;
6703
6704 mpt_get_fw_exp_ver(expVer, ioc);
6705
6706 seq_printf(m, "%s:", ioc->name);
6707 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)
6708 seq_printf(m, " (f/w download boot flag set)");
6709// if (ioc->facts.IOCExceptions & MPI_IOCFACTS_EXCEPT_CONFIG_CHECKSUM_FAIL)
6710// seq_printf(m, " CONFIG_CHECKSUM_FAIL!");
6711
6712 seq_printf(m, "\n ProductID = 0x%04x (%s)\n",
6713 ioc->facts.ProductID,
6714 ioc->prod_name);
6715 seq_printf(m, " FWVersion = 0x%08x%s", ioc->facts.FWVersion.Word, expVer);
6716 if (ioc->facts.FWImageSize)
6717 seq_printf(m, " (fw_size=%d)", ioc->facts.FWImageSize);
6718 seq_printf(m, "\n MsgVersion = 0x%04x\n", ioc->facts.MsgVersion);
6719 seq_printf(m, " FirstWhoInit = 0x%02x\n", ioc->FirstWhoInit);
6720 seq_printf(m, " EventState = 0x%02x\n", ioc->facts.EventState);
6721
6722 seq_printf(m, " CurrentHostMfaHighAddr = 0x%08x\n",
6723 ioc->facts.CurrentHostMfaHighAddr);
6724 seq_printf(m, " CurrentSenseBufferHighAddr = 0x%08x\n",
6725 ioc->facts.CurrentSenseBufferHighAddr);
6726
6727 seq_printf(m, " MaxChainDepth = 0x%02x frames\n", ioc->facts.MaxChainDepth);
6728 seq_printf(m, " MinBlockSize = 0x%02x bytes\n", 4*ioc->facts.BlockSize);
6729
6730 seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n",
6731 (void *)ioc->req_frames, (void *)(ulong)ioc->req_frames_dma);
6732 /*
6733 * Rounding UP to nearest 4-kB boundary here...
6734 */
6735 sz = (ioc->req_sz * ioc->req_depth) + 128;
6736 sz = ((sz + 0x1000UL - 1UL) / 0x1000) * 0x1000;
6737 seq_printf(m, " {CurReqSz=%d} x {CurReqDepth=%d} = %d bytes ^= 0x%x\n",
6738 ioc->req_sz, ioc->req_depth, ioc->req_sz*ioc->req_depth, sz);
6739 seq_printf(m, " {MaxReqSz=%d} {MaxReqDepth=%d}\n",
6740 4*ioc->facts.RequestFrameSize,
6741 ioc->facts.GlobalCredits);
6742
6743 seq_printf(m, " Frames @ 0x%p (Dma @ 0x%p)\n",
6744 (void *)ioc->alloc, (void *)(ulong)ioc->alloc_dma);
6745 sz = (ioc->reply_sz * ioc->reply_depth) + 128;
6746 seq_printf(m, " {CurRepSz=%d} x {CurRepDepth=%d} = %d bytes ^= 0x%x\n",
6747 ioc->reply_sz, ioc->reply_depth, ioc->reply_sz*ioc->reply_depth, sz);
6748 seq_printf(m, " {MaxRepSz=%d} {MaxRepDepth=%d}\n",
6749 ioc->facts.CurReplyFrameSize,
6750 ioc->facts.ReplyQueueDepth);
6751
6752 seq_printf(m, " MaxDevices = %d\n",
6753 (ioc->facts.MaxDevices==0) ? 255 : ioc->facts.MaxDevices);
6754 seq_printf(m, " MaxBuses = %d\n", ioc->facts.MaxBuses);
6755
6756 /* per-port info */
6757 for (p=0; p < ioc->facts.NumberOfPorts; p++) {
6758 seq_printf(m, " PortNumber = %d (of %d)\n",
6759 p+1,
6760 ioc->facts.NumberOfPorts);
6761 if (ioc->bus_type == FC) {
6762 if (ioc->pfacts[p].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) {
6763 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
6764 seq_printf(m, " LanAddr = %pMR\n", a);
6765 }
6766 seq_printf(m, " WWN = %08X%08X:%08X%08X\n",
6767 ioc->fc_port_page0[p].WWNN.High,
6768 ioc->fc_port_page0[p].WWNN.Low,
6769 ioc->fc_port_page0[p].WWPN.High,
6770 ioc->fc_port_page0[p].WWPN.Low);
6771 }
6772 }
6773
6774 return 0;
6775}
6776#endif /* CONFIG_PROC_FS } */
6777
6778/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6779static void
6780mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc)
6781{
6782 buf[0] ='\0';
6783 if ((ioc->facts.FWVersion.Word >> 24) == 0x0E) {
6784 sprintf(buf, " (Exp %02d%02d)",
6785 (ioc->facts.FWVersion.Word >> 16) & 0x00FF, /* Month */
6786 (ioc->facts.FWVersion.Word >> 8) & 0x1F); /* Day */
6787
6788 /* insider hack! */
6789 if ((ioc->facts.FWVersion.Word >> 8) & 0x80)
6790 strcat(buf, " [MDBG]");
6791 }
6792}
6793
6794/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6795/**
6796 * mpt_print_ioc_summary - Write ASCII summary of IOC to a buffer.
6797 * @ioc: Pointer to MPT_ADAPTER structure
6798 * @buffer: Pointer to buffer where IOC summary info should be written
6799 * @size: Pointer to number of bytes we wrote (set by this routine)
6800 * @len: Offset at which to start writing in buffer
6801 * @showlan: Display LAN stuff?
6802 *
6803 * This routine writes (english readable) ASCII text, which represents
6804 * a summary of IOC information, to a buffer.
6805 */
6806void
6807mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buffer, int *size, int len, int showlan)
6808{
6809 char expVer[32];
6810 int y;
6811
6812 mpt_get_fw_exp_ver(expVer, ioc);
6813
6814 /*
6815 * Shorter summary of attached ioc's...
6816 */
6817 y = sprintf(buffer+len, "%s: %s, %s%08xh%s, Ports=%d, MaxQ=%d",
6818 ioc->name,
6819 ioc->prod_name,
6820 MPT_FW_REV_MAGIC_ID_STRING, /* "FwRev=" or somesuch */
6821 ioc->facts.FWVersion.Word,
6822 expVer,
6823 ioc->facts.NumberOfPorts,
6824 ioc->req_depth);
6825
6826 if (showlan && (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) {
6827 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
6828 y += sprintf(buffer+len+y, ", LanAddr=%pMR", a);
6829 }
6830
6831 y += sprintf(buffer+len+y, ", IRQ=%d", ioc->pci_irq);
6832
6833 if (!ioc->active)
6834 y += sprintf(buffer+len+y, " (disabled)");
6835
6836 y += sprintf(buffer+len+y, "\n");
6837
6838 *size = y;
6839}
6840
6841#ifdef CONFIG_PROC_FS
6842static void seq_mpt_print_ioc_summary(MPT_ADAPTER *ioc, struct seq_file *m, int showlan)
6843{
6844 char expVer[32];
6845
6846 mpt_get_fw_exp_ver(expVer, ioc);
6847
6848 /*
6849 * Shorter summary of attached ioc's...
6850 */
6851 seq_printf(m, "%s: %s, %s%08xh%s, Ports=%d, MaxQ=%d",
6852 ioc->name,
6853 ioc->prod_name,
6854 MPT_FW_REV_MAGIC_ID_STRING, /* "FwRev=" or somesuch */
6855 ioc->facts.FWVersion.Word,
6856 expVer,
6857 ioc->facts.NumberOfPorts,
6858 ioc->req_depth);
6859
6860 if (showlan && (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) {
6861 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
6862 seq_printf(m, ", LanAddr=%pMR", a);
6863 }
6864
6865 seq_printf(m, ", IRQ=%d", ioc->pci_irq);
6866
6867 if (!ioc->active)
6868 seq_printf(m, " (disabled)");
6869
6870 seq_putc(m, '\n');
6871}
6872#endif
6873
6874/**
6875 * mpt_set_taskmgmt_in_progress_flag - set flags associated with task management
6876 * @ioc: Pointer to MPT_ADAPTER structure
6877 *
6878 * Returns 0 for SUCCESS or -1 if FAILED.
6879 *
6880 * If -1 is return, then it was not possible to set the flags
6881 **/
6882int
6883mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc)
6884{
6885 unsigned long flags;
6886 int retval;
6887
6888 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6889 if (ioc->ioc_reset_in_progress || ioc->taskmgmt_in_progress ||
6890 (ioc->alt_ioc && ioc->alt_ioc->taskmgmt_in_progress)) {
6891 retval = -1;
6892 goto out;
6893 }
6894 retval = 0;
6895 ioc->taskmgmt_in_progress = 1;
6896 ioc->taskmgmt_quiesce_io = 1;
6897 if (ioc->alt_ioc) {
6898 ioc->alt_ioc->taskmgmt_in_progress = 1;
6899 ioc->alt_ioc->taskmgmt_quiesce_io = 1;
6900 }
6901 out:
6902 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6903 return retval;
6904}
6905EXPORT_SYMBOL(mpt_set_taskmgmt_in_progress_flag);
6906
6907/**
6908 * mpt_clear_taskmgmt_in_progress_flag - clear flags associated with task management
6909 * @ioc: Pointer to MPT_ADAPTER structure
6910 *
6911 **/
6912void
6913mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc)
6914{
6915 unsigned long flags;
6916
6917 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
6918 ioc->taskmgmt_in_progress = 0;
6919 ioc->taskmgmt_quiesce_io = 0;
6920 if (ioc->alt_ioc) {
6921 ioc->alt_ioc->taskmgmt_in_progress = 0;
6922 ioc->alt_ioc->taskmgmt_quiesce_io = 0;
6923 }
6924 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
6925}
6926EXPORT_SYMBOL(mpt_clear_taskmgmt_in_progress_flag);
6927
6928
6929/**
6930 * mpt_halt_firmware - Halts the firmware if it is operational and panic
6931 * the kernel
6932 * @ioc: Pointer to MPT_ADAPTER structure
6933 *
6934 **/
6935void
6936mpt_halt_firmware(MPT_ADAPTER *ioc)
6937{
6938 u32 ioc_raw_state;
6939
6940 ioc_raw_state = mpt_GetIocState(ioc, 0);
6941
6942 if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) {
6943 printk(MYIOC_s_ERR_FMT "IOC is in FAULT state (%04xh)!!!\n",
6944 ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK);
6945 panic("%s: IOC Fault (%04xh)!!!\n", ioc->name,
6946 ioc_raw_state & MPI_DOORBELL_DATA_MASK);
6947 } else {
6948 CHIPREG_WRITE32(&ioc->chip->Doorbell, 0xC0FFEE00);
6949 panic("%s: Firmware is halted due to command timeout\n",
6950 ioc->name);
6951 }
6952}
6953EXPORT_SYMBOL(mpt_halt_firmware);
6954
6955/**
6956 * mpt_SoftResetHandler - Issues a less expensive reset
6957 * @ioc: Pointer to MPT_ADAPTER structure
6958 * @sleepFlag: Indicates if sleep or schedule must be called.
6959 *
6960 * Returns 0 for SUCCESS or -1 if FAILED.
6961 *
6962 * Message Unit Reset - instructs the IOC to reset the Reply Post and
6963 * Free FIFO's. All the Message Frames on Reply Free FIFO are discarded.
6964 * All posted buffers are freed, and event notification is turned off.
6965 * IOC doesn't reply to any outstanding request. This will transfer IOC
6966 * to READY state.
6967 **/
6968static int
6969mpt_SoftResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
6970{
6971 int rc;
6972 int ii;
6973 u8 cb_idx;
6974 unsigned long flags;
6975 u32 ioc_state;
6976 unsigned long time_count;
6977
6978 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SoftResetHandler Entered!\n",
6979 ioc->name));
6980
6981 ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK;
6982
6983 if (mpt_fwfault_debug)
6984 mpt_halt_firmware(ioc);
6985
6986 if (ioc_state == MPI_IOC_STATE_FAULT ||
6987 ioc_state == MPI_IOC_STATE_RESET) {
6988 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6989 "skipping, either in FAULT or RESET state!\n", ioc->name));
6990 return -1;
6991 }
6992
6993 if (ioc->bus_type == FC) {
6994 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6995 "skipping, because the bus type is FC!\n", ioc->name));
6996 return -1;
6997 }
6998
6999 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
7000 if (ioc->ioc_reset_in_progress) {
7001 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7002 return -1;
7003 }
7004 ioc->ioc_reset_in_progress = 1;
7005 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7006
7007 rc = -1;
7008
7009 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7010 if (MptResetHandlers[cb_idx])
7011 mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET);
7012 }
7013
7014 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
7015 if (ioc->taskmgmt_in_progress) {
7016 ioc->ioc_reset_in_progress = 0;
7017 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7018 return -1;
7019 }
7020 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7021 /* Disable reply interrupts (also blocks FreeQ) */
7022 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
7023 ioc->active = 0;
7024 time_count = jiffies;
7025
7026 rc = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag);
7027
7028 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7029 if (MptResetHandlers[cb_idx])
7030 mpt_signal_reset(cb_idx, ioc, MPT_IOC_PRE_RESET);
7031 }
7032
7033 if (rc)
7034 goto out;
7035
7036 ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK;
7037 if (ioc_state != MPI_IOC_STATE_READY)
7038 goto out;
7039
7040 for (ii = 0; ii < 5; ii++) {
7041 /* Get IOC facts! Allow 5 retries */
7042 rc = GetIocFacts(ioc, sleepFlag,
7043 MPT_HOSTEVENT_IOC_RECOVER);
7044 if (rc == 0)
7045 break;
7046 if (sleepFlag == CAN_SLEEP)
7047 msleep(100);
7048 else
7049 mdelay(100);
7050 }
7051 if (ii == 5)
7052 goto out;
7053
7054 rc = PrimeIocFifos(ioc);
7055 if (rc != 0)
7056 goto out;
7057
7058 rc = SendIocInit(ioc, sleepFlag);
7059 if (rc != 0)
7060 goto out;
7061
7062 rc = SendEventNotification(ioc, 1, sleepFlag);
7063 if (rc != 0)
7064 goto out;
7065
7066 if (ioc->hard_resets < -1)
7067 ioc->hard_resets++;
7068
7069 /*
7070 * At this point, we know soft reset succeeded.
7071 */
7072
7073 ioc->active = 1;
7074 CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
7075
7076 out:
7077 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
7078 ioc->ioc_reset_in_progress = 0;
7079 ioc->taskmgmt_quiesce_io = 0;
7080 ioc->taskmgmt_in_progress = 0;
7081 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7082
7083 if (ioc->active) { /* otherwise, hard reset coming */
7084 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7085 if (MptResetHandlers[cb_idx])
7086 mpt_signal_reset(cb_idx, ioc,
7087 MPT_IOC_POST_RESET);
7088 }
7089 }
7090
7091 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7092 "SoftResetHandler: completed (%d seconds): %s\n",
7093 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000,
7094 ((rc == 0) ? "SUCCESS" : "FAILED")));
7095
7096 return rc;
7097}
7098
7099/**
7100 * mpt_Soft_Hard_ResetHandler - Try less expensive reset
7101 * @ioc: Pointer to MPT_ADAPTER structure
7102 * @sleepFlag: Indicates if sleep or schedule must be called.
7103 *
7104 * Returns 0 for SUCCESS or -1 if FAILED.
7105 * Try for softreset first, only if it fails go for expensive
7106 * HardReset.
7107 **/
7108int
7109mpt_Soft_Hard_ResetHandler(MPT_ADAPTER *ioc, int sleepFlag) {
7110 int ret = -1;
7111
7112 ret = mpt_SoftResetHandler(ioc, sleepFlag);
7113 if (ret == 0)
7114 return ret;
7115 ret = mpt_HardResetHandler(ioc, sleepFlag);
7116 return ret;
7117}
7118EXPORT_SYMBOL(mpt_Soft_Hard_ResetHandler);
7119
7120/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7121/*
7122 * Reset Handling
7123 */
7124/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7125/**
7126 * mpt_HardResetHandler - Generic reset handler
7127 * @ioc: Pointer to MPT_ADAPTER structure
7128 * @sleepFlag: Indicates if sleep or schedule must be called.
7129 *
7130 * Issues SCSI Task Management call based on input arg values.
7131 * If TaskMgmt fails, returns associated SCSI request.
7132 *
7133 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
7134 * or a non-interrupt thread. In the former, must not call schedule().
7135 *
7136 * Note: A return of -1 is a FATAL error case, as it means a
7137 * FW reload/initialization failed.
7138 *
7139 * Returns 0 for SUCCESS or -1 if FAILED.
7140 */
7141int
7142mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
7143{
7144 int rc;
7145 u8 cb_idx;
7146 unsigned long flags;
7147 unsigned long time_count;
7148
7149 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HardResetHandler Entered!\n", ioc->name));
7150#ifdef MFCNT
7151 printk(MYIOC_s_INFO_FMT "HardResetHandler Entered!\n", ioc->name);
7152 printk("MF count 0x%x !\n", ioc->mfcnt);
7153#endif
7154 if (mpt_fwfault_debug)
7155 mpt_halt_firmware(ioc);
7156
7157 /* Reset the adapter. Prevent more than 1 call to
7158 * mpt_do_ioc_recovery at any instant in time.
7159 */
7160 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
7161 if (ioc->ioc_reset_in_progress) {
7162 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7163 ioc->wait_on_reset_completion = 1;
7164 do {
7165 ssleep(1);
7166 } while (ioc->ioc_reset_in_progress == 1);
7167 ioc->wait_on_reset_completion = 0;
7168 return ioc->reset_status;
7169 }
7170 if (ioc->wait_on_reset_completion) {
7171 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7172 rc = 0;
7173 time_count = jiffies;
7174 goto exit;
7175 }
7176 ioc->ioc_reset_in_progress = 1;
7177 if (ioc->alt_ioc)
7178 ioc->alt_ioc->ioc_reset_in_progress = 1;
7179 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7180
7181
7182 /* The SCSI driver needs to adjust timeouts on all current
7183 * commands prior to the diagnostic reset being issued.
7184 * Prevents timeouts occurring during a diagnostic reset...very bad.
7185 * For all other protocol drivers, this is a no-op.
7186 */
7187 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7188 if (MptResetHandlers[cb_idx]) {
7189 mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET);
7190 if (ioc->alt_ioc)
7191 mpt_signal_reset(cb_idx, ioc->alt_ioc,
7192 MPT_IOC_SETUP_RESET);
7193 }
7194 }
7195
7196 time_count = jiffies;
7197 rc = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_RECOVER, sleepFlag);
7198 if (rc != 0) {
7199 printk(KERN_WARNING MYNAM
7200 ": WARNING - (%d) Cannot recover %s, doorbell=0x%08x\n",
7201 rc, ioc->name, mpt_GetIocState(ioc, 0));
7202 } else {
7203 if (ioc->hard_resets < -1)
7204 ioc->hard_resets++;
7205 }
7206
7207 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
7208 ioc->ioc_reset_in_progress = 0;
7209 ioc->taskmgmt_quiesce_io = 0;
7210 ioc->taskmgmt_in_progress = 0;
7211 ioc->reset_status = rc;
7212 if (ioc->alt_ioc) {
7213 ioc->alt_ioc->ioc_reset_in_progress = 0;
7214 ioc->alt_ioc->taskmgmt_quiesce_io = 0;
7215 ioc->alt_ioc->taskmgmt_in_progress = 0;
7216 }
7217 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
7218
7219 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7220 if (MptResetHandlers[cb_idx]) {
7221 mpt_signal_reset(cb_idx, ioc, MPT_IOC_POST_RESET);
7222 if (ioc->alt_ioc)
7223 mpt_signal_reset(cb_idx,
7224 ioc->alt_ioc, MPT_IOC_POST_RESET);
7225 }
7226 }
7227exit:
7228 dtmprintk(ioc,
7229 printk(MYIOC_s_DEBUG_FMT
7230 "HardResetHandler: completed (%d seconds): %s\n", ioc->name,
7231 jiffies_to_msecs(jiffies - time_count)/1000, ((rc == 0) ?
7232 "SUCCESS" : "FAILED")));
7233
7234 return rc;
7235}
7236
7237#ifdef CONFIG_FUSION_LOGGING
7238static void
7239mpt_display_event_info(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply)
7240{
7241 char *ds = NULL;
7242 u32 evData0;
7243 int ii;
7244 u8 event;
7245 char *evStr = ioc->evStr;
7246
7247 event = le32_to_cpu(pEventReply->Event) & 0xFF;
7248 evData0 = le32_to_cpu(pEventReply->Data[0]);
7249
7250 switch(event) {
7251 case MPI_EVENT_NONE:
7252 ds = "None";
7253 break;
7254 case MPI_EVENT_LOG_DATA:
7255 ds = "Log Data";
7256 break;
7257 case MPI_EVENT_STATE_CHANGE:
7258 ds = "State Change";
7259 break;
7260 case MPI_EVENT_UNIT_ATTENTION:
7261 ds = "Unit Attention";
7262 break;
7263 case MPI_EVENT_IOC_BUS_RESET:
7264 ds = "IOC Bus Reset";
7265 break;
7266 case MPI_EVENT_EXT_BUS_RESET:
7267 ds = "External Bus Reset";
7268 break;
7269 case MPI_EVENT_RESCAN:
7270 ds = "Bus Rescan Event";
7271 break;
7272 case MPI_EVENT_LINK_STATUS_CHANGE:
7273 if (evData0 == MPI_EVENT_LINK_STATUS_FAILURE)
7274 ds = "Link Status(FAILURE) Change";
7275 else
7276 ds = "Link Status(ACTIVE) Change";
7277 break;
7278 case MPI_EVENT_LOOP_STATE_CHANGE:
7279 if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LIP)
7280 ds = "Loop State(LIP) Change";
7281 else if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LPE)
7282 ds = "Loop State(LPE) Change";
7283 else
7284 ds = "Loop State(LPB) Change";
7285 break;
7286 case MPI_EVENT_LOGOUT:
7287 ds = "Logout";
7288 break;
7289 case MPI_EVENT_EVENT_CHANGE:
7290 if (evData0)
7291 ds = "Events ON";
7292 else
7293 ds = "Events OFF";
7294 break;
7295 case MPI_EVENT_INTEGRATED_RAID:
7296 {
7297 u8 ReasonCode = (u8)(evData0 >> 16);
7298 switch (ReasonCode) {
7299 case MPI_EVENT_RAID_RC_VOLUME_CREATED :
7300 ds = "Integrated Raid: Volume Created";
7301 break;
7302 case MPI_EVENT_RAID_RC_VOLUME_DELETED :
7303 ds = "Integrated Raid: Volume Deleted";
7304 break;
7305 case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED :
7306 ds = "Integrated Raid: Volume Settings Changed";
7307 break;
7308 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED :
7309 ds = "Integrated Raid: Volume Status Changed";
7310 break;
7311 case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED :
7312 ds = "Integrated Raid: Volume Physdisk Changed";
7313 break;
7314 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED :
7315 ds = "Integrated Raid: Physdisk Created";
7316 break;
7317 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED :
7318 ds = "Integrated Raid: Physdisk Deleted";
7319 break;
7320 case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED :
7321 ds = "Integrated Raid: Physdisk Settings Changed";
7322 break;
7323 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED :
7324 ds = "Integrated Raid: Physdisk Status Changed";
7325 break;
7326 case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED :
7327 ds = "Integrated Raid: Domain Validation Needed";
7328 break;
7329 case MPI_EVENT_RAID_RC_SMART_DATA :
7330 ds = "Integrated Raid; Smart Data";
7331 break;
7332 case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED :
7333 ds = "Integrated Raid: Replace Action Started";
7334 break;
7335 default:
7336 ds = "Integrated Raid";
7337 break;
7338 }
7339 break;
7340 }
7341 case MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE:
7342 ds = "SCSI Device Status Change";
7343 break;
7344 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
7345 {
7346 u8 id = (u8)(evData0);
7347 u8 channel = (u8)(evData0 >> 8);
7348 u8 ReasonCode = (u8)(evData0 >> 16);
7349 switch (ReasonCode) {
7350 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
7351 snprintf(evStr, EVENT_DESCR_STR_SZ,
7352 "SAS Device Status Change: Added: "
7353 "id=%d channel=%d", id, channel);
7354 break;
7355 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
7356 snprintf(evStr, EVENT_DESCR_STR_SZ,
7357 "SAS Device Status Change: Deleted: "
7358 "id=%d channel=%d", id, channel);
7359 break;
7360 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
7361 snprintf(evStr, EVENT_DESCR_STR_SZ,
7362 "SAS Device Status Change: SMART Data: "
7363 "id=%d channel=%d", id, channel);
7364 break;
7365 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
7366 snprintf(evStr, EVENT_DESCR_STR_SZ,
7367 "SAS Device Status Change: No Persistency: "
7368 "id=%d channel=%d", id, channel);
7369 break;
7370 case MPI_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
7371 snprintf(evStr, EVENT_DESCR_STR_SZ,
7372 "SAS Device Status Change: Unsupported Device "
7373 "Discovered : id=%d channel=%d", id, channel);
7374 break;
7375 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
7376 snprintf(evStr, EVENT_DESCR_STR_SZ,
7377 "SAS Device Status Change: Internal Device "
7378 "Reset : id=%d channel=%d", id, channel);
7379 break;
7380 case MPI_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
7381 snprintf(evStr, EVENT_DESCR_STR_SZ,
7382 "SAS Device Status Change: Internal Task "
7383 "Abort : id=%d channel=%d", id, channel);
7384 break;
7385 case MPI_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
7386 snprintf(evStr, EVENT_DESCR_STR_SZ,
7387 "SAS Device Status Change: Internal Abort "
7388 "Task Set : id=%d channel=%d", id, channel);
7389 break;
7390 case MPI_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
7391 snprintf(evStr, EVENT_DESCR_STR_SZ,
7392 "SAS Device Status Change: Internal Clear "
7393 "Task Set : id=%d channel=%d", id, channel);
7394 break;
7395 case MPI_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
7396 snprintf(evStr, EVENT_DESCR_STR_SZ,
7397 "SAS Device Status Change: Internal Query "
7398 "Task : id=%d channel=%d", id, channel);
7399 break;
7400 default:
7401 snprintf(evStr, EVENT_DESCR_STR_SZ,
7402 "SAS Device Status Change: Unknown: "
7403 "id=%d channel=%d", id, channel);
7404 break;
7405 }
7406 break;
7407 }
7408 case MPI_EVENT_ON_BUS_TIMER_EXPIRED:
7409 ds = "Bus Timer Expired";
7410 break;
7411 case MPI_EVENT_QUEUE_FULL:
7412 {
7413 u16 curr_depth = (u16)(evData0 >> 16);
7414 u8 channel = (u8)(evData0 >> 8);
7415 u8 id = (u8)(evData0);
7416
7417 snprintf(evStr, EVENT_DESCR_STR_SZ,
7418 "Queue Full: channel=%d id=%d depth=%d",
7419 channel, id, curr_depth);
7420 break;
7421 }
7422 case MPI_EVENT_SAS_SES:
7423 ds = "SAS SES Event";
7424 break;
7425 case MPI_EVENT_PERSISTENT_TABLE_FULL:
7426 ds = "Persistent Table Full";
7427 break;
7428 case MPI_EVENT_SAS_PHY_LINK_STATUS:
7429 {
7430 u8 LinkRates = (u8)(evData0 >> 8);
7431 u8 PhyNumber = (u8)(evData0);
7432 LinkRates = (LinkRates & MPI_EVENT_SAS_PLS_LR_CURRENT_MASK) >>
7433 MPI_EVENT_SAS_PLS_LR_CURRENT_SHIFT;
7434 switch (LinkRates) {
7435 case MPI_EVENT_SAS_PLS_LR_RATE_UNKNOWN:
7436 snprintf(evStr, EVENT_DESCR_STR_SZ,
7437 "SAS PHY Link Status: Phy=%d:"
7438 " Rate Unknown",PhyNumber);
7439 break;
7440 case MPI_EVENT_SAS_PLS_LR_RATE_PHY_DISABLED:
7441 snprintf(evStr, EVENT_DESCR_STR_SZ,
7442 "SAS PHY Link Status: Phy=%d:"
7443 " Phy Disabled",PhyNumber);
7444 break;
7445 case MPI_EVENT_SAS_PLS_LR_RATE_FAILED_SPEED_NEGOTIATION:
7446 snprintf(evStr, EVENT_DESCR_STR_SZ,
7447 "SAS PHY Link Status: Phy=%d:"
7448 " Failed Speed Nego",PhyNumber);
7449 break;
7450 case MPI_EVENT_SAS_PLS_LR_RATE_SATA_OOB_COMPLETE:
7451 snprintf(evStr, EVENT_DESCR_STR_SZ,
7452 "SAS PHY Link Status: Phy=%d:"
7453 " Sata OOB Completed",PhyNumber);
7454 break;
7455 case MPI_EVENT_SAS_PLS_LR_RATE_1_5:
7456 snprintf(evStr, EVENT_DESCR_STR_SZ,
7457 "SAS PHY Link Status: Phy=%d:"
7458 " Rate 1.5 Gbps",PhyNumber);
7459 break;
7460 case MPI_EVENT_SAS_PLS_LR_RATE_3_0:
7461 snprintf(evStr, EVENT_DESCR_STR_SZ,
7462 "SAS PHY Link Status: Phy=%d:"
7463 " Rate 3.0 Gbps", PhyNumber);
7464 break;
7465 case MPI_EVENT_SAS_PLS_LR_RATE_6_0:
7466 snprintf(evStr, EVENT_DESCR_STR_SZ,
7467 "SAS PHY Link Status: Phy=%d:"
7468 " Rate 6.0 Gbps", PhyNumber);
7469 break;
7470 default:
7471 snprintf(evStr, EVENT_DESCR_STR_SZ,
7472 "SAS PHY Link Status: Phy=%d", PhyNumber);
7473 break;
7474 }
7475 break;
7476 }
7477 case MPI_EVENT_SAS_DISCOVERY_ERROR:
7478 ds = "SAS Discovery Error";
7479 break;
7480 case MPI_EVENT_IR_RESYNC_UPDATE:
7481 {
7482 u8 resync_complete = (u8)(evData0 >> 16);
7483 snprintf(evStr, EVENT_DESCR_STR_SZ,
7484 "IR Resync Update: Complete = %d:",resync_complete);
7485 break;
7486 }
7487 case MPI_EVENT_IR2:
7488 {
7489 u8 id = (u8)(evData0);
7490 u8 channel = (u8)(evData0 >> 8);
7491 u8 phys_num = (u8)(evData0 >> 24);
7492 u8 ReasonCode = (u8)(evData0 >> 16);
7493
7494 switch (ReasonCode) {
7495 case MPI_EVENT_IR2_RC_LD_STATE_CHANGED:
7496 snprintf(evStr, EVENT_DESCR_STR_SZ,
7497 "IR2: LD State Changed: "
7498 "id=%d channel=%d phys_num=%d",
7499 id, channel, phys_num);
7500 break;
7501 case MPI_EVENT_IR2_RC_PD_STATE_CHANGED:
7502 snprintf(evStr, EVENT_DESCR_STR_SZ,
7503 "IR2: PD State Changed "
7504 "id=%d channel=%d phys_num=%d",
7505 id, channel, phys_num);
7506 break;
7507 case MPI_EVENT_IR2_RC_BAD_BLOCK_TABLE_FULL:
7508 snprintf(evStr, EVENT_DESCR_STR_SZ,
7509 "IR2: Bad Block Table Full: "
7510 "id=%d channel=%d phys_num=%d",
7511 id, channel, phys_num);
7512 break;
7513 case MPI_EVENT_IR2_RC_PD_INSERTED:
7514 snprintf(evStr, EVENT_DESCR_STR_SZ,
7515 "IR2: PD Inserted: "
7516 "id=%d channel=%d phys_num=%d",
7517 id, channel, phys_num);
7518 break;
7519 case MPI_EVENT_IR2_RC_PD_REMOVED:
7520 snprintf(evStr, EVENT_DESCR_STR_SZ,
7521 "IR2: PD Removed: "
7522 "id=%d channel=%d phys_num=%d",
7523 id, channel, phys_num);
7524 break;
7525 case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED:
7526 snprintf(evStr, EVENT_DESCR_STR_SZ,
7527 "IR2: Foreign CFG Detected: "
7528 "id=%d channel=%d phys_num=%d",
7529 id, channel, phys_num);
7530 break;
7531 case MPI_EVENT_IR2_RC_REBUILD_MEDIUM_ERROR:
7532 snprintf(evStr, EVENT_DESCR_STR_SZ,
7533 "IR2: Rebuild Medium Error: "
7534 "id=%d channel=%d phys_num=%d",
7535 id, channel, phys_num);
7536 break;
7537 case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED:
7538 snprintf(evStr, EVENT_DESCR_STR_SZ,
7539 "IR2: Dual Port Added: "
7540 "id=%d channel=%d phys_num=%d",
7541 id, channel, phys_num);
7542 break;
7543 case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED:
7544 snprintf(evStr, EVENT_DESCR_STR_SZ,
7545 "IR2: Dual Port Removed: "
7546 "id=%d channel=%d phys_num=%d",
7547 id, channel, phys_num);
7548 break;
7549 default:
7550 ds = "IR2";
7551 break;
7552 }
7553 break;
7554 }
7555 case MPI_EVENT_SAS_DISCOVERY:
7556 {
7557 if (evData0)
7558 ds = "SAS Discovery: Start";
7559 else
7560 ds = "SAS Discovery: Stop";
7561 break;
7562 }
7563 case MPI_EVENT_LOG_ENTRY_ADDED:
7564 ds = "SAS Log Entry Added";
7565 break;
7566
7567 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
7568 {
7569 u8 phy_num = (u8)(evData0);
7570 u8 port_num = (u8)(evData0 >> 8);
7571 u8 port_width = (u8)(evData0 >> 16);
7572 u8 primitive = (u8)(evData0 >> 24);
7573 snprintf(evStr, EVENT_DESCR_STR_SZ,
7574 "SAS Broadcast Primitive: phy=%d port=%d "
7575 "width=%d primitive=0x%02x",
7576 phy_num, port_num, port_width, primitive);
7577 break;
7578 }
7579
7580 case MPI_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE:
7581 {
7582 u8 reason = (u8)(evData0);
7583
7584 switch (reason) {
7585 case MPI_EVENT_SAS_INIT_RC_ADDED:
7586 ds = "SAS Initiator Status Change: Added";
7587 break;
7588 case MPI_EVENT_SAS_INIT_RC_REMOVED:
7589 ds = "SAS Initiator Status Change: Deleted";
7590 break;
7591 default:
7592 ds = "SAS Initiator Status Change";
7593 break;
7594 }
7595 break;
7596 }
7597
7598 case MPI_EVENT_SAS_INIT_TABLE_OVERFLOW:
7599 {
7600 u8 max_init = (u8)(evData0);
7601 u8 current_init = (u8)(evData0 >> 8);
7602
7603 snprintf(evStr, EVENT_DESCR_STR_SZ,
7604 "SAS Initiator Device Table Overflow: max initiators=%02d "
7605 "current initiators=%02d",
7606 max_init, current_init);
7607 break;
7608 }
7609 case MPI_EVENT_SAS_SMP_ERROR:
7610 {
7611 u8 status = (u8)(evData0);
7612 u8 port_num = (u8)(evData0 >> 8);
7613 u8 result = (u8)(evData0 >> 16);
7614
7615 if (status == MPI_EVENT_SAS_SMP_FUNCTION_RESULT_VALID)
7616 snprintf(evStr, EVENT_DESCR_STR_SZ,
7617 "SAS SMP Error: port=%d result=0x%02x",
7618 port_num, result);
7619 else if (status == MPI_EVENT_SAS_SMP_CRC_ERROR)
7620 snprintf(evStr, EVENT_DESCR_STR_SZ,
7621 "SAS SMP Error: port=%d : CRC Error",
7622 port_num);
7623 else if (status == MPI_EVENT_SAS_SMP_TIMEOUT)
7624 snprintf(evStr, EVENT_DESCR_STR_SZ,
7625 "SAS SMP Error: port=%d : Timeout",
7626 port_num);
7627 else if (status == MPI_EVENT_SAS_SMP_NO_DESTINATION)
7628 snprintf(evStr, EVENT_DESCR_STR_SZ,
7629 "SAS SMP Error: port=%d : No Destination",
7630 port_num);
7631 else if (status == MPI_EVENT_SAS_SMP_BAD_DESTINATION)
7632 snprintf(evStr, EVENT_DESCR_STR_SZ,
7633 "SAS SMP Error: port=%d : Bad Destination",
7634 port_num);
7635 else
7636 snprintf(evStr, EVENT_DESCR_STR_SZ,
7637 "SAS SMP Error: port=%d : status=0x%02x",
7638 port_num, status);
7639 break;
7640 }
7641
7642 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
7643 {
7644 u8 reason = (u8)(evData0);
7645
7646 switch (reason) {
7647 case MPI_EVENT_SAS_EXP_RC_ADDED:
7648 ds = "Expander Status Change: Added";
7649 break;
7650 case MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING:
7651 ds = "Expander Status Change: Deleted";
7652 break;
7653 default:
7654 ds = "Expander Status Change";
7655 break;
7656 }
7657 break;
7658 }
7659
7660 /*
7661 * MPT base "custom" events may be added here...
7662 */
7663 default:
7664 ds = "Unknown";
7665 break;
7666 }
7667 if (ds)
7668 strlcpy(evStr, ds, EVENT_DESCR_STR_SZ);
7669
7670
7671 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7672 "MPT event:(%02Xh) : %s\n",
7673 ioc->name, event, evStr));
7674
7675 devtverboseprintk(ioc, printk(KERN_DEBUG MYNAM
7676 ": Event data:\n"));
7677 for (ii = 0; ii < le16_to_cpu(pEventReply->EventDataLength); ii++)
7678 devtverboseprintk(ioc, printk(" %08x",
7679 le32_to_cpu(pEventReply->Data[ii])));
7680 devtverboseprintk(ioc, printk(KERN_DEBUG "\n"));
7681}
7682#endif
7683/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7684/**
7685 * ProcessEventNotification - Route EventNotificationReply to all event handlers
7686 * @ioc: Pointer to MPT_ADAPTER structure
7687 * @pEventReply: Pointer to EventNotification reply frame
7688 * @evHandlers: Pointer to integer, number of event handlers
7689 *
7690 * Routes a received EventNotificationReply to all currently registered
7691 * event handlers.
7692 * Returns sum of event handlers return values.
7693 */
7694static int
7695ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply, int *evHandlers)
7696{
7697 u16 evDataLen;
7698 u32 evData0 = 0;
7699 int ii;
7700 u8 cb_idx;
7701 int r = 0;
7702 int handlers = 0;
7703 u8 event;
7704
7705 /*
7706 * Do platform normalization of values
7707 */
7708 event = le32_to_cpu(pEventReply->Event) & 0xFF;
7709 evDataLen = le16_to_cpu(pEventReply->EventDataLength);
7710 if (evDataLen) {
7711 evData0 = le32_to_cpu(pEventReply->Data[0]);
7712 }
7713
7714#ifdef CONFIG_FUSION_LOGGING
7715 if (evDataLen)
7716 mpt_display_event_info(ioc, pEventReply);
7717#endif
7718
7719 /*
7720 * Do general / base driver event processing
7721 */
7722 switch(event) {
7723 case MPI_EVENT_EVENT_CHANGE: /* 0A */
7724 if (evDataLen) {
7725 u8 evState = evData0 & 0xFF;
7726
7727 /* CHECKME! What if evState unexpectedly says OFF (0)? */
7728
7729 /* Update EventState field in cached IocFacts */
7730 if (ioc->facts.Function) {
7731 ioc->facts.EventState = evState;
7732 }
7733 }
7734 break;
7735 case MPI_EVENT_INTEGRATED_RAID:
7736 mptbase_raid_process_event_data(ioc,
7737 (MpiEventDataRaid_t *)pEventReply->Data);
7738 break;
7739 default:
7740 break;
7741 }
7742
7743 /*
7744 * Should this event be logged? Events are written sequentially.
7745 * When buffer is full, start again at the top.
7746 */
7747 if (ioc->events && (ioc->eventTypes & ( 1 << event))) {
7748 int idx;
7749
7750 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
7751
7752 ioc->events[idx].event = event;
7753 ioc->events[idx].eventContext = ioc->eventContext;
7754
7755 for (ii = 0; ii < 2; ii++) {
7756 if (ii < evDataLen)
7757 ioc->events[idx].data[ii] = le32_to_cpu(pEventReply->Data[ii]);
7758 else
7759 ioc->events[idx].data[ii] = 0;
7760 }
7761
7762 ioc->eventContext++;
7763 }
7764
7765
7766 /*
7767 * Call each currently registered protocol event handler.
7768 */
7769 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7770 if (MptEvHandlers[cb_idx]) {
7771 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7772 "Routing Event to event handler #%d\n",
7773 ioc->name, cb_idx));
7774 r += (*(MptEvHandlers[cb_idx]))(ioc, pEventReply);
7775 handlers++;
7776 }
7777 }
7778 /* FIXME? Examine results here? */
7779
7780 /*
7781 * If needed, send (a single) EventAck.
7782 */
7783 if (pEventReply->AckRequired == MPI_EVENT_NOTIFICATION_ACK_REQUIRED) {
7784 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7785 "EventAck required\n",ioc->name));
7786 if ((ii = SendEventAck(ioc, pEventReply)) != 0) {
7787 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SendEventAck returned %d\n",
7788 ioc->name, ii));
7789 }
7790 }
7791
7792 *evHandlers = handlers;
7793 return r;
7794}
7795
7796/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7797/**
7798 * mpt_fc_log_info - Log information returned from Fibre Channel IOC.
7799 * @ioc: Pointer to MPT_ADAPTER structure
7800 * @log_info: U32 LogInfo reply word from the IOC
7801 *
7802 * Refer to lsi/mpi_log_fc.h.
7803 */
7804static void
7805mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info)
7806{
7807 char *desc = "unknown";
7808
7809 switch (log_info & 0xFF000000) {
7810 case MPI_IOCLOGINFO_FC_INIT_BASE:
7811 desc = "FCP Initiator";
7812 break;
7813 case MPI_IOCLOGINFO_FC_TARGET_BASE:
7814 desc = "FCP Target";
7815 break;
7816 case MPI_IOCLOGINFO_FC_LAN_BASE:
7817 desc = "LAN";
7818 break;
7819 case MPI_IOCLOGINFO_FC_MSG_BASE:
7820 desc = "MPI Message Layer";
7821 break;
7822 case MPI_IOCLOGINFO_FC_LINK_BASE:
7823 desc = "FC Link";
7824 break;
7825 case MPI_IOCLOGINFO_FC_CTX_BASE:
7826 desc = "Context Manager";
7827 break;
7828 case MPI_IOCLOGINFO_FC_INVALID_FIELD_BYTE_OFFSET:
7829 desc = "Invalid Field Offset";
7830 break;
7831 case MPI_IOCLOGINFO_FC_STATE_CHANGE:
7832 desc = "State Change Info";
7833 break;
7834 }
7835
7836 printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): SubClass={%s}, Value=(0x%06x)\n",
7837 ioc->name, log_info, desc, (log_info & 0xFFFFFF));
7838}
7839
7840/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7841/**
7842 * mpt_spi_log_info - Log information returned from SCSI Parallel IOC.
7843 * @ioc: Pointer to MPT_ADAPTER structure
7844 * @log_info: U32 LogInfo word from the IOC
7845 *
7846 * Refer to lsi/sp_log.h.
7847 */
7848static void
7849mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info)
7850{
7851 u32 info = log_info & 0x00FF0000;
7852 char *desc = "unknown";
7853
7854 switch (info) {
7855 case 0x00010000:
7856 desc = "bug! MID not found";
7857 break;
7858
7859 case 0x00020000:
7860 desc = "Parity Error";
7861 break;
7862
7863 case 0x00030000:
7864 desc = "ASYNC Outbound Overrun";
7865 break;
7866
7867 case 0x00040000:
7868 desc = "SYNC Offset Error";
7869 break;
7870
7871 case 0x00050000:
7872 desc = "BM Change";
7873 break;
7874
7875 case 0x00060000:
7876 desc = "Msg In Overflow";
7877 break;
7878
7879 case 0x00070000:
7880 desc = "DMA Error";
7881 break;
7882
7883 case 0x00080000:
7884 desc = "Outbound DMA Overrun";
7885 break;
7886
7887 case 0x00090000:
7888 desc = "Task Management";
7889 break;
7890
7891 case 0x000A0000:
7892 desc = "Device Problem";
7893 break;
7894
7895 case 0x000B0000:
7896 desc = "Invalid Phase Change";
7897 break;
7898
7899 case 0x000C0000:
7900 desc = "Untagged Table Size";
7901 break;
7902
7903 }
7904
7905 printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): F/W: %s\n", ioc->name, log_info, desc);
7906}
7907
7908/* strings for sas loginfo */
7909 static char *originator_str[] = {
7910 "IOP", /* 00h */
7911 "PL", /* 01h */
7912 "IR" /* 02h */
7913 };
7914 static char *iop_code_str[] = {
7915 NULL, /* 00h */
7916 "Invalid SAS Address", /* 01h */
7917 NULL, /* 02h */
7918 "Invalid Page", /* 03h */
7919 "Diag Message Error", /* 04h */
7920 "Task Terminated", /* 05h */
7921 "Enclosure Management", /* 06h */
7922 "Target Mode" /* 07h */
7923 };
7924 static char *pl_code_str[] = {
7925 NULL, /* 00h */
7926 "Open Failure", /* 01h */
7927 "Invalid Scatter Gather List", /* 02h */
7928 "Wrong Relative Offset or Frame Length", /* 03h */
7929 "Frame Transfer Error", /* 04h */
7930 "Transmit Frame Connected Low", /* 05h */
7931 "SATA Non-NCQ RW Error Bit Set", /* 06h */
7932 "SATA Read Log Receive Data Error", /* 07h */
7933 "SATA NCQ Fail All Commands After Error", /* 08h */
7934 "SATA Error in Receive Set Device Bit FIS", /* 09h */
7935 "Receive Frame Invalid Message", /* 0Ah */
7936 "Receive Context Message Valid Error", /* 0Bh */
7937 "Receive Frame Current Frame Error", /* 0Ch */
7938 "SATA Link Down", /* 0Dh */
7939 "Discovery SATA Init W IOS", /* 0Eh */
7940 "Config Invalid Page", /* 0Fh */
7941 "Discovery SATA Init Timeout", /* 10h */
7942 "Reset", /* 11h */
7943 "Abort", /* 12h */
7944 "IO Not Yet Executed", /* 13h */
7945 "IO Executed", /* 14h */
7946 "Persistent Reservation Out Not Affiliation "
7947 "Owner", /* 15h */
7948 "Open Transmit DMA Abort", /* 16h */
7949 "IO Device Missing Delay Retry", /* 17h */
7950 "IO Cancelled Due to Receive Error", /* 18h */
7951 NULL, /* 19h */
7952 NULL, /* 1Ah */
7953 NULL, /* 1Bh */
7954 NULL, /* 1Ch */
7955 NULL, /* 1Dh */
7956 NULL, /* 1Eh */
7957 NULL, /* 1Fh */
7958 "Enclosure Management" /* 20h */
7959 };
7960 static char *ir_code_str[] = {
7961 "Raid Action Error", /* 00h */
7962 NULL, /* 00h */
7963 NULL, /* 01h */
7964 NULL, /* 02h */
7965 NULL, /* 03h */
7966 NULL, /* 04h */
7967 NULL, /* 05h */
7968 NULL, /* 06h */
7969 NULL /* 07h */
7970 };
7971 static char *raid_sub_code_str[] = {
7972 NULL, /* 00h */
7973 "Volume Creation Failed: Data Passed too "
7974 "Large", /* 01h */
7975 "Volume Creation Failed: Duplicate Volumes "
7976 "Attempted", /* 02h */
7977 "Volume Creation Failed: Max Number "
7978 "Supported Volumes Exceeded", /* 03h */
7979 "Volume Creation Failed: DMA Error", /* 04h */
7980 "Volume Creation Failed: Invalid Volume Type", /* 05h */
7981 "Volume Creation Failed: Error Reading "
7982 "MFG Page 4", /* 06h */
7983 "Volume Creation Failed: Creating Internal "
7984 "Structures", /* 07h */
7985 NULL, /* 08h */
7986 NULL, /* 09h */
7987 NULL, /* 0Ah */
7988 NULL, /* 0Bh */
7989 NULL, /* 0Ch */
7990 NULL, /* 0Dh */
7991 NULL, /* 0Eh */
7992 NULL, /* 0Fh */
7993 "Activation failed: Already Active Volume", /* 10h */
7994 "Activation failed: Unsupported Volume Type", /* 11h */
7995 "Activation failed: Too Many Active Volumes", /* 12h */
7996 "Activation failed: Volume ID in Use", /* 13h */
7997 "Activation failed: Reported Failure", /* 14h */
7998 "Activation failed: Importing a Volume", /* 15h */
7999 NULL, /* 16h */
8000 NULL, /* 17h */
8001 NULL, /* 18h */
8002 NULL, /* 19h */
8003 NULL, /* 1Ah */
8004 NULL, /* 1Bh */
8005 NULL, /* 1Ch */
8006 NULL, /* 1Dh */
8007 NULL, /* 1Eh */
8008 NULL, /* 1Fh */
8009 "Phys Disk failed: Too Many Phys Disks", /* 20h */
8010 "Phys Disk failed: Data Passed too Large", /* 21h */
8011 "Phys Disk failed: DMA Error", /* 22h */
8012 "Phys Disk failed: Invalid <channel:id>", /* 23h */
8013 "Phys Disk failed: Creating Phys Disk Config "
8014 "Page", /* 24h */
8015 NULL, /* 25h */
8016 NULL, /* 26h */
8017 NULL, /* 27h */
8018 NULL, /* 28h */
8019 NULL, /* 29h */
8020 NULL, /* 2Ah */
8021 NULL, /* 2Bh */
8022 NULL, /* 2Ch */
8023 NULL, /* 2Dh */
8024 NULL, /* 2Eh */
8025 NULL, /* 2Fh */
8026 "Compatibility Error: IR Disabled", /* 30h */
8027 "Compatibility Error: Inquiry Command Failed", /* 31h */
8028 "Compatibility Error: Device not Direct Access "
8029 "Device ", /* 32h */
8030 "Compatibility Error: Removable Device Found", /* 33h */
8031 "Compatibility Error: Device SCSI Version not "
8032 "2 or Higher", /* 34h */
8033 "Compatibility Error: SATA Device, 48 BIT LBA "
8034 "not Supported", /* 35h */
8035 "Compatibility Error: Device doesn't have "
8036 "512 Byte Block Sizes", /* 36h */
8037 "Compatibility Error: Volume Type Check Failed", /* 37h */
8038 "Compatibility Error: Volume Type is "
8039 "Unsupported by FW", /* 38h */
8040 "Compatibility Error: Disk Drive too Small for "
8041 "use in Volume", /* 39h */
8042 "Compatibility Error: Phys Disk for Create "
8043 "Volume not Found", /* 3Ah */
8044 "Compatibility Error: Too Many or too Few "
8045 "Disks for Volume Type", /* 3Bh */
8046 "Compatibility Error: Disk stripe Sizes "
8047 "Must be 64KB", /* 3Ch */
8048 "Compatibility Error: IME Size Limited to < 2TB", /* 3Dh */
8049 };
8050
8051/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8052/**
8053 * mpt_sas_log_info - Log information returned from SAS IOC.
8054 * @ioc: Pointer to MPT_ADAPTER structure
8055 * @log_info: U32 LogInfo reply word from the IOC
8056 * @cb_idx: callback function's handle
8057 *
8058 * Refer to lsi/mpi_log_sas.h.
8059 **/
8060static void
8061mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info, u8 cb_idx)
8062{
8063 union loginfo_type {
8064 u32 loginfo;
8065 struct {
8066 u32 subcode:16;
8067 u32 code:8;
8068 u32 originator:4;
8069 u32 bus_type:4;
8070 } dw;
8071 };
8072 union loginfo_type sas_loginfo;
8073 char *originator_desc = NULL;
8074 char *code_desc = NULL;
8075 char *sub_code_desc = NULL;
8076
8077 sas_loginfo.loginfo = log_info;
8078 if ((sas_loginfo.dw.bus_type != 3 /*SAS*/) &&
8079 (sas_loginfo.dw.originator < ARRAY_SIZE(originator_str)))
8080 return;
8081
8082 originator_desc = originator_str[sas_loginfo.dw.originator];
8083
8084 switch (sas_loginfo.dw.originator) {
8085
8086 case 0: /* IOP */
8087 if (sas_loginfo.dw.code <
8088 ARRAY_SIZE(iop_code_str))
8089 code_desc = iop_code_str[sas_loginfo.dw.code];
8090 break;
8091 case 1: /* PL */
8092 if (sas_loginfo.dw.code <
8093 ARRAY_SIZE(pl_code_str))
8094 code_desc = pl_code_str[sas_loginfo.dw.code];
8095 break;
8096 case 2: /* IR */
8097 if (sas_loginfo.dw.code >=
8098 ARRAY_SIZE(ir_code_str))
8099 break;
8100 code_desc = ir_code_str[sas_loginfo.dw.code];
8101 if (sas_loginfo.dw.subcode >=
8102 ARRAY_SIZE(raid_sub_code_str))
8103 break;
8104 if (sas_loginfo.dw.code == 0)
8105 sub_code_desc =
8106 raid_sub_code_str[sas_loginfo.dw.subcode];
8107 break;
8108 default:
8109 return;
8110 }
8111
8112 if (sub_code_desc != NULL)
8113 printk(MYIOC_s_INFO_FMT
8114 "LogInfo(0x%08x): Originator={%s}, Code={%s},"
8115 " SubCode={%s} cb_idx %s\n",
8116 ioc->name, log_info, originator_desc, code_desc,
8117 sub_code_desc, MptCallbacksName[cb_idx]);
8118 else if (code_desc != NULL)
8119 printk(MYIOC_s_INFO_FMT
8120 "LogInfo(0x%08x): Originator={%s}, Code={%s},"
8121 " SubCode(0x%04x) cb_idx %s\n",
8122 ioc->name, log_info, originator_desc, code_desc,
8123 sas_loginfo.dw.subcode, MptCallbacksName[cb_idx]);
8124 else
8125 printk(MYIOC_s_INFO_FMT
8126 "LogInfo(0x%08x): Originator={%s}, Code=(0x%02x),"
8127 " SubCode(0x%04x) cb_idx %s\n",
8128 ioc->name, log_info, originator_desc,
8129 sas_loginfo.dw.code, sas_loginfo.dw.subcode,
8130 MptCallbacksName[cb_idx]);
8131}
8132
8133/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8134/**
8135 * mpt_iocstatus_info_config - IOCSTATUS information for config pages
8136 * @ioc: Pointer to MPT_ADAPTER structure
8137 * @ioc_status: U32 IOCStatus word from IOC
8138 * @mf: Pointer to MPT request frame
8139 *
8140 * Refer to lsi/mpi.h.
8141 **/
8142static void
8143mpt_iocstatus_info_config(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf)
8144{
8145 Config_t *pReq = (Config_t *)mf;
8146 char extend_desc[EVENT_DESCR_STR_SZ];
8147 char *desc = NULL;
8148 u32 form;
8149 u8 page_type;
8150
8151 if (pReq->Header.PageType == MPI_CONFIG_PAGETYPE_EXTENDED)
8152 page_type = pReq->ExtPageType;
8153 else
8154 page_type = pReq->Header.PageType;
8155
8156 /*
8157 * ignore invalid page messages for GET_NEXT_HANDLE
8158 */
8159 form = le32_to_cpu(pReq->PageAddress);
8160 if (ioc_status == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
8161 if (page_type == MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE ||
8162 page_type == MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER ||
8163 page_type == MPI_CONFIG_EXTPAGETYPE_ENCLOSURE) {
8164 if ((form >> MPI_SAS_DEVICE_PGAD_FORM_SHIFT) ==
8165 MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE)
8166 return;
8167 }
8168 if (page_type == MPI_CONFIG_PAGETYPE_FC_DEVICE)
8169 if ((form & MPI_FC_DEVICE_PGAD_FORM_MASK) ==
8170 MPI_FC_DEVICE_PGAD_FORM_NEXT_DID)
8171 return;
8172 }
8173
8174 snprintf(extend_desc, EVENT_DESCR_STR_SZ,
8175 "type=%02Xh, page=%02Xh, action=%02Xh, form=%08Xh",
8176 page_type, pReq->Header.PageNumber, pReq->Action, form);
8177
8178 switch (ioc_status) {
8179
8180 case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */
8181 desc = "Config Page Invalid Action";
8182 break;
8183
8184 case MPI_IOCSTATUS_CONFIG_INVALID_TYPE: /* 0x0021 */
8185 desc = "Config Page Invalid Type";
8186 break;
8187
8188 case MPI_IOCSTATUS_CONFIG_INVALID_PAGE: /* 0x0022 */
8189 desc = "Config Page Invalid Page";
8190 break;
8191
8192 case MPI_IOCSTATUS_CONFIG_INVALID_DATA: /* 0x0023 */
8193 desc = "Config Page Invalid Data";
8194 break;
8195
8196 case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS: /* 0x0024 */
8197 desc = "Config Page No Defaults";
8198 break;
8199
8200 case MPI_IOCSTATUS_CONFIG_CANT_COMMIT: /* 0x0025 */
8201 desc = "Config Page Can't Commit";
8202 break;
8203 }
8204
8205 if (!desc)
8206 return;
8207
8208 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s: %s\n",
8209 ioc->name, ioc_status, desc, extend_desc));
8210}
8211
8212/**
8213 * mpt_iocstatus_info - IOCSTATUS information returned from IOC.
8214 * @ioc: Pointer to MPT_ADAPTER structure
8215 * @ioc_status: U32 IOCStatus word from IOC
8216 * @mf: Pointer to MPT request frame
8217 *
8218 * Refer to lsi/mpi.h.
8219 **/
8220static void
8221mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf)
8222{
8223 u32 status = ioc_status & MPI_IOCSTATUS_MASK;
8224 char *desc = NULL;
8225
8226 switch (status) {
8227
8228/****************************************************************************/
8229/* Common IOCStatus values for all replies */
8230/****************************************************************************/
8231
8232 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
8233 desc = "Invalid Function";
8234 break;
8235
8236 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
8237 desc = "Busy";
8238 break;
8239
8240 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
8241 desc = "Invalid SGL";
8242 break;
8243
8244 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
8245 desc = "Internal Error";
8246 break;
8247
8248 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
8249 desc = "Reserved";
8250 break;
8251
8252 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
8253 desc = "Insufficient Resources";
8254 break;
8255
8256 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
8257 desc = "Invalid Field";
8258 break;
8259
8260 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
8261 desc = "Invalid State";
8262 break;
8263
8264/****************************************************************************/
8265/* Config IOCStatus values */
8266/****************************************************************************/
8267
8268 case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */
8269 case MPI_IOCSTATUS_CONFIG_INVALID_TYPE: /* 0x0021 */
8270 case MPI_IOCSTATUS_CONFIG_INVALID_PAGE: /* 0x0022 */
8271 case MPI_IOCSTATUS_CONFIG_INVALID_DATA: /* 0x0023 */
8272 case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS: /* 0x0024 */
8273 case MPI_IOCSTATUS_CONFIG_CANT_COMMIT: /* 0x0025 */
8274 mpt_iocstatus_info_config(ioc, status, mf);
8275 break;
8276
8277/****************************************************************************/
8278/* SCSIIO Reply (SPI, FCP, SAS) initiator values */
8279/* */
8280/* Look at mptscsih_iocstatus_info_scsiio in mptscsih.c */
8281/* */
8282/****************************************************************************/
8283
8284 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
8285 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
8286 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
8287 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
8288 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
8289 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
8290 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
8291 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
8292 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
8293 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
8294 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
8295 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
8296 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
8297 break;
8298
8299/****************************************************************************/
8300/* SCSI Target values */
8301/****************************************************************************/
8302
8303 case MPI_IOCSTATUS_TARGET_PRIORITY_IO: /* 0x0060 */
8304 desc = "Target: Priority IO";
8305 break;
8306
8307 case MPI_IOCSTATUS_TARGET_INVALID_PORT: /* 0x0061 */
8308 desc = "Target: Invalid Port";
8309 break;
8310
8311 case MPI_IOCSTATUS_TARGET_INVALID_IO_INDEX: /* 0x0062 */
8312 desc = "Target Invalid IO Index:";
8313 break;
8314
8315 case MPI_IOCSTATUS_TARGET_ABORTED: /* 0x0063 */
8316 desc = "Target: Aborted";
8317 break;
8318
8319 case MPI_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: /* 0x0064 */
8320 desc = "Target: No Conn Retryable";
8321 break;
8322
8323 case MPI_IOCSTATUS_TARGET_NO_CONNECTION: /* 0x0065 */
8324 desc = "Target: No Connection";
8325 break;
8326
8327 case MPI_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: /* 0x006A */
8328 desc = "Target: Transfer Count Mismatch";
8329 break;
8330
8331 case MPI_IOCSTATUS_TARGET_STS_DATA_NOT_SENT: /* 0x006B */
8332 desc = "Target: STS Data not Sent";
8333 break;
8334
8335 case MPI_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: /* 0x006D */
8336 desc = "Target: Data Offset Error";
8337 break;
8338
8339 case MPI_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: /* 0x006E */
8340 desc = "Target: Too Much Write Data";
8341 break;
8342
8343 case MPI_IOCSTATUS_TARGET_IU_TOO_SHORT: /* 0x006F */
8344 desc = "Target: IU Too Short";
8345 break;
8346
8347 case MPI_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: /* 0x0070 */
8348 desc = "Target: ACK NAK Timeout";
8349 break;
8350
8351 case MPI_IOCSTATUS_TARGET_NAK_RECEIVED: /* 0x0071 */
8352 desc = "Target: Nak Received";
8353 break;
8354
8355/****************************************************************************/
8356/* Fibre Channel Direct Access values */
8357/****************************************************************************/
8358
8359 case MPI_IOCSTATUS_FC_ABORTED: /* 0x0066 */
8360 desc = "FC: Aborted";
8361 break;
8362
8363 case MPI_IOCSTATUS_FC_RX_ID_INVALID: /* 0x0067 */
8364 desc = "FC: RX ID Invalid";
8365 break;
8366
8367 case MPI_IOCSTATUS_FC_DID_INVALID: /* 0x0068 */
8368 desc = "FC: DID Invalid";
8369 break;
8370
8371 case MPI_IOCSTATUS_FC_NODE_LOGGED_OUT: /* 0x0069 */
8372 desc = "FC: Node Logged Out";
8373 break;
8374
8375 case MPI_IOCSTATUS_FC_EXCHANGE_CANCELED: /* 0x006C */
8376 desc = "FC: Exchange Canceled";
8377 break;
8378
8379/****************************************************************************/
8380/* LAN values */
8381/****************************************************************************/
8382
8383 case MPI_IOCSTATUS_LAN_DEVICE_NOT_FOUND: /* 0x0080 */
8384 desc = "LAN: Device not Found";
8385 break;
8386
8387 case MPI_IOCSTATUS_LAN_DEVICE_FAILURE: /* 0x0081 */
8388 desc = "LAN: Device Failure";
8389 break;
8390
8391 case MPI_IOCSTATUS_LAN_TRANSMIT_ERROR: /* 0x0082 */
8392 desc = "LAN: Transmit Error";
8393 break;
8394
8395 case MPI_IOCSTATUS_LAN_TRANSMIT_ABORTED: /* 0x0083 */
8396 desc = "LAN: Transmit Aborted";
8397 break;
8398
8399 case MPI_IOCSTATUS_LAN_RECEIVE_ERROR: /* 0x0084 */
8400 desc = "LAN: Receive Error";
8401 break;
8402
8403 case MPI_IOCSTATUS_LAN_RECEIVE_ABORTED: /* 0x0085 */
8404 desc = "LAN: Receive Aborted";
8405 break;
8406
8407 case MPI_IOCSTATUS_LAN_PARTIAL_PACKET: /* 0x0086 */
8408 desc = "LAN: Partial Packet";
8409 break;
8410
8411 case MPI_IOCSTATUS_LAN_CANCELED: /* 0x0087 */
8412 desc = "LAN: Canceled";
8413 break;
8414
8415/****************************************************************************/
8416/* Serial Attached SCSI values */
8417/****************************************************************************/
8418
8419 case MPI_IOCSTATUS_SAS_SMP_REQUEST_FAILED: /* 0x0090 */
8420 desc = "SAS: SMP Request Failed";
8421 break;
8422
8423 case MPI_IOCSTATUS_SAS_SMP_DATA_OVERRUN: /* 0x0090 */
8424 desc = "SAS: SMP Data Overrun";
8425 break;
8426
8427 default:
8428 desc = "Others";
8429 break;
8430 }
8431
8432 if (!desc)
8433 return;
8434
8435 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s\n",
8436 ioc->name, status, desc));
8437}
8438
8439/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8440EXPORT_SYMBOL(mpt_attach);
8441EXPORT_SYMBOL(mpt_detach);
8442#ifdef CONFIG_PM
8443EXPORT_SYMBOL(mpt_resume);
8444EXPORT_SYMBOL(mpt_suspend);
8445#endif
8446EXPORT_SYMBOL(ioc_list);
8447EXPORT_SYMBOL(mpt_register);
8448EXPORT_SYMBOL(mpt_deregister);
8449EXPORT_SYMBOL(mpt_event_register);
8450EXPORT_SYMBOL(mpt_event_deregister);
8451EXPORT_SYMBOL(mpt_reset_register);
8452EXPORT_SYMBOL(mpt_reset_deregister);
8453EXPORT_SYMBOL(mpt_device_driver_register);
8454EXPORT_SYMBOL(mpt_device_driver_deregister);
8455EXPORT_SYMBOL(mpt_get_msg_frame);
8456EXPORT_SYMBOL(mpt_put_msg_frame);
8457EXPORT_SYMBOL(mpt_put_msg_frame_hi_pri);
8458EXPORT_SYMBOL(mpt_free_msg_frame);
8459EXPORT_SYMBOL(mpt_send_handshake_request);
8460EXPORT_SYMBOL(mpt_verify_adapter);
8461EXPORT_SYMBOL(mpt_GetIocState);
8462EXPORT_SYMBOL(mpt_print_ioc_summary);
8463EXPORT_SYMBOL(mpt_HardResetHandler);
8464EXPORT_SYMBOL(mpt_config);
8465EXPORT_SYMBOL(mpt_findImVolumes);
8466EXPORT_SYMBOL(mpt_alloc_fw_memory);
8467EXPORT_SYMBOL(mpt_free_fw_memory);
8468EXPORT_SYMBOL(mptbase_sas_persist_operation);
8469EXPORT_SYMBOL(mpt_raid_phys_disk_pg0);
8470
8471/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8472/**
8473 * fusion_init - Fusion MPT base driver initialization routine.
8474 *
8475 * Returns 0 for success, non-zero for failure.
8476 */
8477static int __init
8478fusion_init(void)
8479{
8480 u8 cb_idx;
8481
8482 show_mptmod_ver(my_NAME, my_VERSION);
8483 printk(KERN_INFO COPYRIGHT "\n");
8484
8485 for (cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
8486 MptCallbacks[cb_idx] = NULL;
8487 MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER;
8488 MptEvHandlers[cb_idx] = NULL;
8489 MptResetHandlers[cb_idx] = NULL;
8490 }
8491
8492 /* Register ourselves (mptbase) in order to facilitate
8493 * EventNotification handling.
8494 */
8495 mpt_base_index = mpt_register(mptbase_reply, MPTBASE_DRIVER,
8496 "mptbase_reply");
8497
8498 /* Register for hard reset handling callbacks.
8499 */
8500 mpt_reset_register(mpt_base_index, mpt_ioc_reset);
8501
8502#ifdef CONFIG_PROC_FS
8503 (void) procmpt_create();
8504#endif
8505 return 0;
8506}
8507
8508/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
8509/**
8510 * fusion_exit - Perform driver unload cleanup.
8511 *
8512 * This routine frees all resources associated with each MPT adapter
8513 * and removes all %MPT_PROCFS_MPTBASEDIR entries.
8514 */
8515static void __exit
8516fusion_exit(void)
8517{
8518
8519 mpt_reset_deregister(mpt_base_index);
8520
8521#ifdef CONFIG_PROC_FS
8522 procmpt_destroy();
8523#endif
8524}
8525
8526module_init(fusion_init);
8527module_exit(fusion_exit);