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1/*
2 * linux/drivers/message/fusion/mptctl.c
3 * mpt Ioctl driver.
4 * For use with LSI PCI chip/adapters
5 * running LSI Fusion MPT (Message Passing Technology) firmware.
6 *
7 * Copyright (c) 1999-2008 LSI Corporation
8 * (mailto:DL-MPTFusionLinux@lsi.com)
9 *
10 */
11/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
12/*
13 This program is free software; you can redistribute it and/or modify
14 it under the terms of the GNU General Public License as published by
15 the Free Software Foundation; version 2 of the License.
16
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
21
22 NO WARRANTY
23 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
24 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
25 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
26 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
27 solely responsible for determining the appropriateness of using and
28 distributing the Program and assumes all risks associated with its
29 exercise of rights under this Agreement, including but not limited to
30 the risks and costs of program errors, damage to or loss of data,
31 programs or equipment, and unavailability or interruption of operations.
32
33 DISCLAIMER OF LIABILITY
34 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
35 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
37 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
38 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
39 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
40 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
41
42 You should have received a copy of the GNU General Public License
43 along with this program; if not, write to the Free Software
44 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
45*/
46/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
47
48#include <linux/kernel.h>
49#include <linux/module.h>
50#include <linux/errno.h>
51#include <linux/init.h>
52#include <linux/slab.h>
53#include <linux/types.h>
54#include <linux/pci.h>
55#include <linux/delay.h> /* for mdelay */
56#include <linux/miscdevice.h>
57#include <linux/mutex.h>
58#include <linux/compat.h>
59
60#include <asm/io.h>
61#include <linux/uaccess.h>
62
63#include <scsi/scsi.h>
64#include <scsi/scsi_cmnd.h>
65#include <scsi/scsi_device.h>
66#include <scsi/scsi_host.h>
67#include <scsi/scsi_tcq.h>
68
69#define COPYRIGHT "Copyright (c) 1999-2008 LSI Corporation"
70#define MODULEAUTHOR "LSI Corporation"
71#include "mptbase.h"
72#include "mptctl.h"
73
74/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
75#define my_NAME "Fusion MPT misc device (ioctl) driver"
76#define my_VERSION MPT_LINUX_VERSION_COMMON
77#define MYNAM "mptctl"
78
79MODULE_AUTHOR(MODULEAUTHOR);
80MODULE_DESCRIPTION(my_NAME);
81MODULE_LICENSE("GPL");
82MODULE_VERSION(my_VERSION);
83
84/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
85
86static DEFINE_MUTEX(mpctl_mutex);
87static u8 mptctl_id = MPT_MAX_PROTOCOL_DRIVERS;
88static u8 mptctl_taskmgmt_id = MPT_MAX_PROTOCOL_DRIVERS;
89
90static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait );
91
92/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
93
94struct buflist {
95 u8 *kptr;
96 int len;
97};
98
99/*
100 * Function prototypes. Called from OS entry point mptctl_ioctl.
101 * arg contents specific to function.
102 */
103static int mptctl_fw_download(MPT_ADAPTER *iocp, unsigned long arg);
104static int mptctl_getiocinfo(MPT_ADAPTER *iocp, unsigned long arg, unsigned int cmd);
105static int mptctl_gettargetinfo(MPT_ADAPTER *iocp, unsigned long arg);
106static int mptctl_readtest(MPT_ADAPTER *iocp, unsigned long arg);
107static int mptctl_mpt_command(MPT_ADAPTER *iocp, unsigned long arg);
108static int mptctl_eventquery(MPT_ADAPTER *iocp, unsigned long arg);
109static int mptctl_eventenable(MPT_ADAPTER *iocp, unsigned long arg);
110static int mptctl_eventreport(MPT_ADAPTER *iocp, unsigned long arg);
111static int mptctl_replace_fw(MPT_ADAPTER *iocp, unsigned long arg);
112
113static int mptctl_do_reset(MPT_ADAPTER *iocp, unsigned long arg);
114static int mptctl_hp_hostinfo(MPT_ADAPTER *iocp, unsigned long arg, unsigned int cmd);
115static int mptctl_hp_targetinfo(MPT_ADAPTER *iocp, unsigned long arg);
116
117static int mptctl_probe(struct pci_dev *, const struct pci_device_id *);
118static void mptctl_remove(struct pci_dev *);
119
120#ifdef CONFIG_COMPAT
121static long compat_mpctl_ioctl(struct file *f, unsigned cmd, unsigned long arg);
122#endif
123/*
124 * Private function calls.
125 */
126static int mptctl_do_mpt_command(MPT_ADAPTER *iocp, struct mpt_ioctl_command karg, void __user *mfPtr);
127static int mptctl_do_fw_download(MPT_ADAPTER *iocp, char __user *ufwbuf, size_t fwlen);
128static MptSge_t *kbuf_alloc_2_sgl(int bytes, u32 dir, int sge_offset, int *frags,
129 struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc);
130static void kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma,
131 struct buflist *buflist, MPT_ADAPTER *ioc);
132
133/*
134 * Reset Handler cleanup function
135 */
136static int mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase);
137
138/*
139 * Event Handler function
140 */
141static int mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
142static struct fasync_struct *async_queue=NULL;
143
144/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
145/*
146 * Scatter gather list (SGL) sizes and limits...
147 */
148//#define MAX_SCSI_FRAGS 9
149#define MAX_FRAGS_SPILL1 9
150#define MAX_FRAGS_SPILL2 15
151#define FRAGS_PER_BUCKET (MAX_FRAGS_SPILL2 + 1)
152
153//#define MAX_CHAIN_FRAGS 64
154//#define MAX_CHAIN_FRAGS (15+15+15+16)
155#define MAX_CHAIN_FRAGS (4 * MAX_FRAGS_SPILL2 + 1)
156
157// Define max sg LIST bytes ( == (#frags + #chains) * 8 bytes each)
158// Works out to: 592d bytes! (9+1)*8 + 4*(15+1)*8
159// ^----------------- 80 + 512
160#define MAX_SGL_BYTES ((MAX_FRAGS_SPILL1 + 1 + (4 * FRAGS_PER_BUCKET)) * 8)
161
162/* linux only seems to ever give 128kB MAX contiguous (GFP_USER) mem bytes */
163#define MAX_KMALLOC_SZ (128*1024)
164
165#define MPT_IOCTL_DEFAULT_TIMEOUT 10 /* Default timeout value (seconds) */
166
167/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
168/**
169 * mptctl_syscall_down - Down the MPT adapter syscall semaphore.
170 * @ioc: Pointer to MPT adapter
171 * @nonblock: boolean, non-zero if O_NONBLOCK is set
172 *
173 * All of the ioctl commands can potentially sleep, which is illegal
174 * with a spinlock held, thus we perform mutual exclusion here.
175 *
176 * Returns negative errno on error, or zero for success.
177 */
178static inline int
179mptctl_syscall_down(MPT_ADAPTER *ioc, int nonblock)
180{
181 int rc = 0;
182
183 if (nonblock) {
184 if (!mutex_trylock(&ioc->ioctl_cmds.mutex))
185 rc = -EAGAIN;
186 } else {
187 if (mutex_lock_interruptible(&ioc->ioctl_cmds.mutex))
188 rc = -ERESTARTSYS;
189 }
190 return rc;
191}
192
193/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
194/*
195 * This is the callback for any message we have posted. The message itself
196 * will be returned to the message pool when we return from the IRQ
197 *
198 * This runs in irq context so be short and sweet.
199 */
200static int
201mptctl_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply)
202{
203 char *sense_data;
204 int req_index;
205 int sz;
206
207 if (!req)
208 return 0;
209
210 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "completing mpi function "
211 "(0x%02X), req=%p, reply=%p\n", ioc->name, req->u.hdr.Function,
212 req, reply));
213
214 /*
215 * Handling continuation of the same reply. Processing the first
216 * reply, and eating the other replys that come later.
217 */
218 if (ioc->ioctl_cmds.msg_context != req->u.hdr.MsgContext)
219 goto out_continuation;
220
221 ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
222
223 if (!reply)
224 goto out;
225
226 ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
227 sz = min(ioc->reply_sz, 4*reply->u.reply.MsgLength);
228 memcpy(ioc->ioctl_cmds.reply, reply, sz);
229
230 if (reply->u.reply.IOCStatus || reply->u.reply.IOCLogInfo)
231 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
232 "iocstatus (0x%04X), loginfo (0x%08X)\n", ioc->name,
233 le16_to_cpu(reply->u.reply.IOCStatus),
234 le32_to_cpu(reply->u.reply.IOCLogInfo)));
235
236 if ((req->u.hdr.Function == MPI_FUNCTION_SCSI_IO_REQUEST) ||
237 (req->u.hdr.Function ==
238 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) {
239
240 if (reply->u.sreply.SCSIStatus || reply->u.sreply.SCSIState)
241 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
242 "scsi_status (0x%02x), scsi_state (0x%02x), "
243 "tag = (0x%04x), transfer_count (0x%08x)\n", ioc->name,
244 reply->u.sreply.SCSIStatus,
245 reply->u.sreply.SCSIState,
246 le16_to_cpu(reply->u.sreply.TaskTag),
247 le32_to_cpu(reply->u.sreply.TransferCount)));
248
249 if (reply->u.sreply.SCSIState &
250 MPI_SCSI_STATE_AUTOSENSE_VALID) {
251 sz = req->u.scsireq.SenseBufferLength;
252 req_index =
253 le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
254 sense_data = ((u8 *)ioc->sense_buf_pool +
255 (req_index * MPT_SENSE_BUFFER_ALLOC));
256 memcpy(ioc->ioctl_cmds.sense, sense_data, sz);
257 ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_SENSE_VALID;
258 }
259 }
260
261 out:
262 /* We are done, issue wake up
263 */
264 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_PENDING) {
265 if (req->u.hdr.Function == MPI_FUNCTION_SCSI_TASK_MGMT) {
266 mpt_clear_taskmgmt_in_progress_flag(ioc);
267 ioc->ioctl_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
268 complete(&ioc->ioctl_cmds.done);
269 if (ioc->bus_type == SAS)
270 ioc->schedule_target_reset(ioc);
271 } else {
272 ioc->ioctl_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
273 complete(&ioc->ioctl_cmds.done);
274 }
275 }
276
277 out_continuation:
278 if (reply && (reply->u.reply.MsgFlags &
279 MPI_MSGFLAGS_CONTINUATION_REPLY))
280 return 0;
281 return 1;
282}
283
284
285static int
286mptctl_taskmgmt_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
287{
288 if (!mf)
289 return 0;
290
291 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
292 "TaskMgmt completed (mf=%p, mr=%p)\n",
293 ioc->name, mf, mr));
294
295 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
296
297 if (!mr)
298 goto out;
299
300 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
301 memcpy(ioc->taskmgmt_cmds.reply, mr,
302 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
303 out:
304 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
305 mpt_clear_taskmgmt_in_progress_flag(ioc);
306 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
307 complete(&ioc->taskmgmt_cmds.done);
308 if (ioc->bus_type == SAS)
309 ioc->schedule_target_reset(ioc);
310 return 1;
311 }
312 return 0;
313}
314
315static int
316mptctl_do_taskmgmt(MPT_ADAPTER *ioc, u8 tm_type, u8 bus_id, u8 target_id)
317{
318 MPT_FRAME_HDR *mf;
319 SCSITaskMgmt_t *pScsiTm;
320 SCSITaskMgmtReply_t *pScsiTmReply;
321 int ii;
322 int retval;
323 unsigned long timeout;
324 unsigned long time_count;
325 u16 iocstatus;
326
327
328 mutex_lock(&ioc->taskmgmt_cmds.mutex);
329 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
330 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
331 return -EPERM;
332 }
333
334 retval = 0;
335
336 mf = mpt_get_msg_frame(mptctl_taskmgmt_id, ioc);
337 if (mf == NULL) {
338 dtmprintk(ioc,
339 printk(MYIOC_s_WARN_FMT "TaskMgmt, no msg frames!!\n",
340 ioc->name));
341 mpt_clear_taskmgmt_in_progress_flag(ioc);
342 retval = -ENOMEM;
343 goto tm_done;
344 }
345
346 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
347 ioc->name, mf));
348
349 pScsiTm = (SCSITaskMgmt_t *) mf;
350 memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t));
351 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
352 pScsiTm->TaskType = tm_type;
353 if ((tm_type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) &&
354 (ioc->bus_type == FC))
355 pScsiTm->MsgFlags =
356 MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION;
357 pScsiTm->TargetID = target_id;
358 pScsiTm->Bus = bus_id;
359 pScsiTm->ChainOffset = 0;
360 pScsiTm->Reserved = 0;
361 pScsiTm->Reserved1 = 0;
362 pScsiTm->TaskMsgContext = 0;
363 for (ii= 0; ii < 8; ii++)
364 pScsiTm->LUN[ii] = 0;
365 for (ii=0; ii < 7; ii++)
366 pScsiTm->Reserved2[ii] = 0;
367
368 switch (ioc->bus_type) {
369 case FC:
370 timeout = 40;
371 break;
372 case SAS:
373 timeout = 30;
374 break;
375 case SPI:
376 default:
377 timeout = 10;
378 break;
379 }
380
381 dtmprintk(ioc,
382 printk(MYIOC_s_DEBUG_FMT "TaskMgmt type=%d timeout=%ld\n",
383 ioc->name, tm_type, timeout));
384
385 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
386 time_count = jiffies;
387 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
388 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
389 mpt_put_msg_frame_hi_pri(mptctl_taskmgmt_id, ioc, mf);
390 else {
391 retval = mpt_send_handshake_request(mptctl_taskmgmt_id, ioc,
392 sizeof(SCSITaskMgmt_t), (u32 *)pScsiTm, CAN_SLEEP);
393 if (retval != 0) {
394 dfailprintk(ioc,
395 printk(MYIOC_s_ERR_FMT
396 "TaskMgmt send_handshake FAILED!"
397 " (ioc %p, mf %p, rc=%d) \n", ioc->name,
398 ioc, mf, retval));
399 mpt_free_msg_frame(ioc, mf);
400 mpt_clear_taskmgmt_in_progress_flag(ioc);
401 goto tm_done;
402 }
403 }
404
405 /* Now wait for the command to complete */
406 ii = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done, timeout*HZ);
407
408 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
409 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
410 "TaskMgmt failed\n", ioc->name));
411 mpt_free_msg_frame(ioc, mf);
412 mpt_clear_taskmgmt_in_progress_flag(ioc);
413 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
414 retval = 0;
415 else
416 retval = -1; /* return failure */
417 goto tm_done;
418 }
419
420 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
421 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
422 "TaskMgmt failed\n", ioc->name));
423 retval = -1; /* return failure */
424 goto tm_done;
425 }
426
427 pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply;
428 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
429 "TaskMgmt fw_channel = %d, fw_id = %d, task_type=0x%02X, "
430 "iocstatus=0x%04X\n\tloginfo=0x%08X, response_code=0x%02X, "
431 "term_cmnds=%d\n", ioc->name, pScsiTmReply->Bus,
432 pScsiTmReply->TargetID, tm_type,
433 le16_to_cpu(pScsiTmReply->IOCStatus),
434 le32_to_cpu(pScsiTmReply->IOCLogInfo),
435 pScsiTmReply->ResponseCode,
436 le32_to_cpu(pScsiTmReply->TerminationCount)));
437
438 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
439
440 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
441 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED ||
442 iocstatus == MPI_IOCSTATUS_SUCCESS)
443 retval = 0;
444 else {
445 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
446 "TaskMgmt failed\n", ioc->name));
447 retval = -1; /* return failure */
448 }
449
450 tm_done:
451 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
452 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
453 return retval;
454}
455
456/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
457/* mptctl_timeout_expired
458 *
459 * Expecting an interrupt, however timed out.
460 *
461 */
462static void
463mptctl_timeout_expired(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
464{
465 unsigned long flags;
466 int ret_val = -1;
467 SCSIIORequest_t *scsi_req = (SCSIIORequest_t *) mf;
468 u8 function = mf->u.hdr.Function;
469
470 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": %s\n",
471 ioc->name, __func__));
472
473 if (mpt_fwfault_debug)
474 mpt_halt_firmware(ioc);
475
476 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
477 if (ioc->ioc_reset_in_progress) {
478 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
479 CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status)
480 mpt_free_msg_frame(ioc, mf);
481 return;
482 }
483 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
484
485
486 CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status)
487
488 if (ioc->bus_type == SAS) {
489 if (function == MPI_FUNCTION_SCSI_IO_REQUEST)
490 ret_val = mptctl_do_taskmgmt(ioc,
491 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
492 scsi_req->Bus, scsi_req->TargetID);
493 else if (function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
494 ret_val = mptctl_do_taskmgmt(ioc,
495 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
496 scsi_req->Bus, 0);
497 if (!ret_val)
498 return;
499 } else {
500 if ((function == MPI_FUNCTION_SCSI_IO_REQUEST) ||
501 (function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH))
502 ret_val = mptctl_do_taskmgmt(ioc,
503 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
504 scsi_req->Bus, 0);
505 if (!ret_val)
506 return;
507 }
508
509 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling Reset! \n",
510 ioc->name));
511 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
512 mpt_free_msg_frame(ioc, mf);
513}
514
515
516/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
517/* mptctl_ioc_reset
518 *
519 * Clean-up functionality. Used only if there has been a
520 * reload of the FW due.
521 *
522 */
523static int
524mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
525{
526 switch(reset_phase) {
527 case MPT_IOC_SETUP_RESET:
528 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
529 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
530 break;
531 case MPT_IOC_PRE_RESET:
532 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
533 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
534 break;
535 case MPT_IOC_POST_RESET:
536 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
537 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
538 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_PENDING) {
539 ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_DID_IOCRESET;
540 complete(&ioc->ioctl_cmds.done);
541 }
542 break;
543 default:
544 break;
545 }
546
547 return 1;
548}
549
550/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
551/* ASYNC Event Notification Support */
552static int
553mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
554{
555 u8 event;
556
557 event = le32_to_cpu(pEvReply->Event) & 0xFF;
558
559 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s() called\n",
560 ioc->name, __func__));
561 if(async_queue == NULL)
562 return 1;
563
564 /* Raise SIGIO for persistent events.
565 * TODO - this define is not in MPI spec yet,
566 * but they plan to set it to 0x21
567 */
568 if (event == 0x21) {
569 ioc->aen_event_read_flag=1;
570 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Raised SIGIO to application\n",
571 ioc->name));
572 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
573 "Raised SIGIO to application\n", ioc->name));
574 kill_fasync(&async_queue, SIGIO, POLL_IN);
575 return 1;
576 }
577
578 /* This flag is set after SIGIO was raised, and
579 * remains set until the application has read
580 * the event log via ioctl=MPTEVENTREPORT
581 */
582 if(ioc->aen_event_read_flag)
583 return 1;
584
585 /* Signal only for the events that are
586 * requested for by the application
587 */
588 if (ioc->events && (ioc->eventTypes & ( 1 << event))) {
589 ioc->aen_event_read_flag=1;
590 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
591 "Raised SIGIO to application\n", ioc->name));
592 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
593 "Raised SIGIO to application\n", ioc->name));
594 kill_fasync(&async_queue, SIGIO, POLL_IN);
595 }
596 return 1;
597}
598
599static int
600mptctl_fasync(int fd, struct file *filep, int mode)
601{
602 MPT_ADAPTER *ioc;
603 int ret;
604
605 mutex_lock(&mpctl_mutex);
606 list_for_each_entry(ioc, &ioc_list, list)
607 ioc->aen_event_read_flag=0;
608
609 ret = fasync_helper(fd, filep, mode, &async_queue);
610 mutex_unlock(&mpctl_mutex);
611 return ret;
612}
613
614/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
615/*
616 * MPT ioctl handler
617 * cmd - specify the particular IOCTL command to be issued
618 * arg - data specific to the command. Must not be null.
619 */
620static long
621__mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
622{
623 mpt_ioctl_header __user *uhdr = (void __user *) arg;
624 mpt_ioctl_header khdr;
625 int iocnum;
626 unsigned iocnumX;
627 int nonblock = (file->f_flags & O_NONBLOCK);
628 int ret;
629 MPT_ADAPTER *iocp = NULL;
630
631 if (copy_from_user(&khdr, uhdr, sizeof(khdr))) {
632 printk(KERN_ERR MYNAM "%s::mptctl_ioctl() @%d - "
633 "Unable to copy mpt_ioctl_header data @ %p\n",
634 __FILE__, __LINE__, uhdr);
635 return -EFAULT;
636 }
637 ret = -ENXIO; /* (-6) No such device or address */
638
639 /* Verify intended MPT adapter - set iocnum and the adapter
640 * pointer (iocp)
641 */
642 iocnumX = khdr.iocnum & 0xFF;
643 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
644 (iocp == NULL))
645 return -ENODEV;
646
647 if (!iocp->active) {
648 printk(KERN_DEBUG MYNAM "%s::mptctl_ioctl() @%d - Controller disabled.\n",
649 __FILE__, __LINE__);
650 return -EFAULT;
651 }
652
653 /* Handle those commands that are just returning
654 * information stored in the driver.
655 * These commands should never time out and are unaffected
656 * by TM and FW reloads.
657 */
658 if ((cmd & ~IOCSIZE_MASK) == (MPTIOCINFO & ~IOCSIZE_MASK)) {
659 return mptctl_getiocinfo(iocp, arg, _IOC_SIZE(cmd));
660 } else if (cmd == MPTTARGETINFO) {
661 return mptctl_gettargetinfo(iocp, arg);
662 } else if (cmd == MPTTEST) {
663 return mptctl_readtest(iocp, arg);
664 } else if (cmd == MPTEVENTQUERY) {
665 return mptctl_eventquery(iocp, arg);
666 } else if (cmd == MPTEVENTENABLE) {
667 return mptctl_eventenable(iocp, arg);
668 } else if (cmd == MPTEVENTREPORT) {
669 return mptctl_eventreport(iocp, arg);
670 } else if (cmd == MPTFWREPLACE) {
671 return mptctl_replace_fw(iocp, arg);
672 }
673
674 /* All of these commands require an interrupt or
675 * are unknown/illegal.
676 */
677 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
678 return ret;
679
680 if (cmd == MPTFWDOWNLOAD)
681 ret = mptctl_fw_download(iocp, arg);
682 else if (cmd == MPTCOMMAND)
683 ret = mptctl_mpt_command(iocp, arg);
684 else if (cmd == MPTHARDRESET)
685 ret = mptctl_do_reset(iocp, arg);
686 else if ((cmd & ~IOCSIZE_MASK) == (HP_GETHOSTINFO & ~IOCSIZE_MASK))
687 ret = mptctl_hp_hostinfo(iocp, arg, _IOC_SIZE(cmd));
688 else if (cmd == HP_GETTARGETINFO)
689 ret = mptctl_hp_targetinfo(iocp, arg);
690 else
691 ret = -EINVAL;
692
693 mutex_unlock(&iocp->ioctl_cmds.mutex);
694
695 return ret;
696}
697
698static long
699mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
700{
701 long ret;
702 mutex_lock(&mpctl_mutex);
703 ret = __mptctl_ioctl(file, cmd, arg);
704 mutex_unlock(&mpctl_mutex);
705 return ret;
706}
707
708static int mptctl_do_reset(MPT_ADAPTER *iocp, unsigned long arg)
709{
710 struct mpt_ioctl_diag_reset __user *urinfo = (void __user *) arg;
711 struct mpt_ioctl_diag_reset krinfo;
712
713 if (copy_from_user(&krinfo, urinfo, sizeof(struct mpt_ioctl_diag_reset))) {
714 printk(KERN_ERR MYNAM "%s@%d::mptctl_do_reset - "
715 "Unable to copy mpt_ioctl_diag_reset struct @ %p\n",
716 __FILE__, __LINE__, urinfo);
717 return -EFAULT;
718 }
719
720 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "mptctl_do_reset called.\n",
721 iocp->name));
722
723 if (mpt_HardResetHandler(iocp, CAN_SLEEP) != 0) {
724 printk (MYIOC_s_ERR_FMT "%s@%d::mptctl_do_reset - reset failed.\n",
725 iocp->name, __FILE__, __LINE__);
726 return -1;
727 }
728
729 return 0;
730}
731
732/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
733/*
734 * MPT FW download function. Cast the arg into the mpt_fw_xfer structure.
735 * This structure contains: iocnum, firmware length (bytes),
736 * pointer to user space memory where the fw image is stored.
737 *
738 * Outputs: None.
739 * Return: 0 if successful
740 * -EFAULT if data unavailable
741 * -ENXIO if no such device
742 * -EAGAIN if resource problem
743 * -ENOMEM if no memory for SGE
744 * -EMLINK if too many chain buffers required
745 * -EBADRQC if adapter does not support FW download
746 * -EBUSY if adapter is busy
747 * -ENOMSG if FW upload returned bad status
748 */
749static int
750mptctl_fw_download(MPT_ADAPTER *iocp, unsigned long arg)
751{
752 struct mpt_fw_xfer __user *ufwdl = (void __user *) arg;
753 struct mpt_fw_xfer kfwdl;
754
755 if (copy_from_user(&kfwdl, ufwdl, sizeof(struct mpt_fw_xfer))) {
756 printk(KERN_ERR MYNAM "%s@%d::_ioctl_fwdl - "
757 "Unable to copy mpt_fw_xfer struct @ %p\n",
758 __FILE__, __LINE__, ufwdl);
759 return -EFAULT;
760 }
761
762 return mptctl_do_fw_download(iocp, kfwdl.bufp, kfwdl.fwlen);
763}
764
765/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
766/*
767 * FW Download engine.
768 * Outputs: None.
769 * Return: 0 if successful
770 * -EFAULT if data unavailable
771 * -ENXIO if no such device
772 * -EAGAIN if resource problem
773 * -ENOMEM if no memory for SGE
774 * -EMLINK if too many chain buffers required
775 * -EBADRQC if adapter does not support FW download
776 * -EBUSY if adapter is busy
777 * -ENOMSG if FW upload returned bad status
778 */
779static int
780mptctl_do_fw_download(MPT_ADAPTER *iocp, char __user *ufwbuf, size_t fwlen)
781{
782 FWDownload_t *dlmsg;
783 MPT_FRAME_HDR *mf;
784 FWDownloadTCSGE_t *ptsge;
785 MptSge_t *sgl, *sgIn;
786 char *sgOut;
787 struct buflist *buflist;
788 struct buflist *bl;
789 dma_addr_t sgl_dma;
790 int ret;
791 int numfrags = 0;
792 int maxfrags;
793 int n = 0;
794 u32 sgdir;
795 u32 nib;
796 int fw_bytes_copied = 0;
797 int i;
798 int sge_offset = 0;
799 u16 iocstat;
800 pFWDownloadReply_t ReplyMsg = NULL;
801 unsigned long timeleft;
802
803 /* Valid device. Get a message frame and construct the FW download message.
804 */
805 if ((mf = mpt_get_msg_frame(mptctl_id, iocp)) == NULL)
806 return -EAGAIN;
807
808 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT
809 "mptctl_do_fwdl called. mptctl_id = %xh.\n", iocp->name, mptctl_id));
810 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.bufp = %p\n",
811 iocp->name, ufwbuf));
812 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.fwlen = %d\n",
813 iocp->name, (int)fwlen));
814
815 dlmsg = (FWDownload_t*) mf;
816 ptsge = (FWDownloadTCSGE_t *) &dlmsg->SGL;
817 sgOut = (char *) (ptsge + 1);
818
819 /*
820 * Construct f/w download request
821 */
822 dlmsg->ImageType = MPI_FW_DOWNLOAD_ITYPE_FW;
823 dlmsg->Reserved = 0;
824 dlmsg->ChainOffset = 0;
825 dlmsg->Function = MPI_FUNCTION_FW_DOWNLOAD;
826 dlmsg->Reserved1[0] = dlmsg->Reserved1[1] = dlmsg->Reserved1[2] = 0;
827 if (iocp->facts.MsgVersion >= MPI_VERSION_01_05)
828 dlmsg->MsgFlags = MPI_FW_DOWNLOAD_MSGFLGS_LAST_SEGMENT;
829 else
830 dlmsg->MsgFlags = 0;
831
832
833 /* Set up the Transaction SGE.
834 */
835 ptsge->Reserved = 0;
836 ptsge->ContextSize = 0;
837 ptsge->DetailsLength = 12;
838 ptsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT;
839 ptsge->Reserved_0100_Checksum = 0;
840 ptsge->ImageOffset = 0;
841 ptsge->ImageSize = cpu_to_le32(fwlen);
842
843 /* Add the SGL
844 */
845
846 /*
847 * Need to kmalloc area(s) for holding firmware image bytes.
848 * But we need to do it piece meal, using a proper
849 * scatter gather list (with 128kB MAX hunks).
850 *
851 * A practical limit here might be # of sg hunks that fit into
852 * a single IOC request frame; 12 or 8 (see below), so:
853 * For FC9xx: 12 x 128kB == 1.5 mB (max)
854 * For C1030: 8 x 128kB == 1 mB (max)
855 * We could support chaining, but things get ugly(ier:)
856 *
857 * Set the sge_offset to the start of the sgl (bytes).
858 */
859 sgdir = 0x04000000; /* IOC will READ from sys mem */
860 sge_offset = sizeof(MPIHeader_t) + sizeof(FWDownloadTCSGE_t);
861 if ((sgl = kbuf_alloc_2_sgl(fwlen, sgdir, sge_offset,
862 &numfrags, &buflist, &sgl_dma, iocp)) == NULL)
863 return -ENOMEM;
864
865 /*
866 * We should only need SGL with 2 simple_32bit entries (up to 256 kB)
867 * for FC9xx f/w image, but calculate max number of sge hunks
868 * we can fit into a request frame, and limit ourselves to that.
869 * (currently no chain support)
870 * maxfrags = (Request Size - FWdownload Size ) / Size of 32 bit SGE
871 * Request maxfrags
872 * 128 12
873 * 96 8
874 * 64 4
875 */
876 maxfrags = (iocp->req_sz - sizeof(MPIHeader_t) -
877 sizeof(FWDownloadTCSGE_t))
878 / iocp->SGE_size;
879 if (numfrags > maxfrags) {
880 ret = -EMLINK;
881 goto fwdl_out;
882 }
883
884 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: sgl buffer = %p, sgfrags = %d\n",
885 iocp->name, sgl, numfrags));
886
887 /*
888 * Parse SG list, copying sgl itself,
889 * plus f/w image hunks from user space as we go...
890 */
891 ret = -EFAULT;
892 sgIn = sgl;
893 bl = buflist;
894 for (i=0; i < numfrags; i++) {
895
896 /* Get the SGE type: 0 - TCSGE, 3 - Chain, 1 - Simple SGE
897 * Skip everything but Simple. If simple, copy from
898 * user space into kernel space.
899 * Note: we should not have anything but Simple as
900 * Chain SGE are illegal.
901 */
902 nib = (sgIn->FlagsLength & 0x30000000) >> 28;
903 if (nib == 0 || nib == 3) {
904 ;
905 } else if (sgIn->Address) {
906 iocp->add_sge(sgOut, sgIn->FlagsLength, sgIn->Address);
907 n++;
908 if (copy_from_user(bl->kptr, ufwbuf+fw_bytes_copied, bl->len)) {
909 printk(MYIOC_s_ERR_FMT "%s@%d::_ioctl_fwdl - "
910 "Unable to copy f/w buffer hunk#%d @ %p\n",
911 iocp->name, __FILE__, __LINE__, n, ufwbuf);
912 goto fwdl_out;
913 }
914 fw_bytes_copied += bl->len;
915 }
916 sgIn++;
917 bl++;
918 sgOut += iocp->SGE_size;
919 }
920
921 DBG_DUMP_FW_DOWNLOAD(iocp, (u32 *)mf, numfrags);
922
923 /*
924 * Finally, perform firmware download.
925 */
926 ReplyMsg = NULL;
927 SET_MGMT_MSG_CONTEXT(iocp->ioctl_cmds.msg_context, dlmsg->MsgContext);
928 INITIALIZE_MGMT_STATUS(iocp->ioctl_cmds.status)
929 mpt_put_msg_frame(mptctl_id, iocp, mf);
930
931 /* Now wait for the command to complete */
932retry_wait:
933 timeleft = wait_for_completion_timeout(&iocp->ioctl_cmds.done, HZ*60);
934 if (!(iocp->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
935 ret = -ETIME;
936 printk(MYIOC_s_WARN_FMT "%s: failed\n", iocp->name, __func__);
937 if (iocp->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
938 mpt_free_msg_frame(iocp, mf);
939 goto fwdl_out;
940 }
941 if (!timeleft) {
942 printk(MYIOC_s_WARN_FMT
943 "FW download timeout, doorbell=0x%08x\n",
944 iocp->name, mpt_GetIocState(iocp, 0));
945 mptctl_timeout_expired(iocp, mf);
946 } else
947 goto retry_wait;
948 goto fwdl_out;
949 }
950
951 if (!(iocp->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
952 printk(MYIOC_s_WARN_FMT "%s: failed\n", iocp->name, __func__);
953 mpt_free_msg_frame(iocp, mf);
954 ret = -ENODATA;
955 goto fwdl_out;
956 }
957
958 if (sgl)
959 kfree_sgl(sgl, sgl_dma, buflist, iocp);
960
961 ReplyMsg = (pFWDownloadReply_t)iocp->ioctl_cmds.reply;
962 iocstat = le16_to_cpu(ReplyMsg->IOCStatus) & MPI_IOCSTATUS_MASK;
963 if (iocstat == MPI_IOCSTATUS_SUCCESS) {
964 printk(MYIOC_s_INFO_FMT "F/W update successful!\n", iocp->name);
965 return 0;
966 } else if (iocstat == MPI_IOCSTATUS_INVALID_FUNCTION) {
967 printk(MYIOC_s_WARN_FMT "Hmmm... F/W download not supported!?!\n",
968 iocp->name);
969 printk(MYIOC_s_WARN_FMT "(time to go bang on somebodies door)\n",
970 iocp->name);
971 return -EBADRQC;
972 } else if (iocstat == MPI_IOCSTATUS_BUSY) {
973 printk(MYIOC_s_WARN_FMT "IOC_BUSY!\n", iocp->name);
974 printk(MYIOC_s_WARN_FMT "(try again later?)\n", iocp->name);
975 return -EBUSY;
976 } else {
977 printk(MYIOC_s_WARN_FMT "ioctl_fwdl() returned [bad] status = %04xh\n",
978 iocp->name, iocstat);
979 printk(MYIOC_s_WARN_FMT "(bad VooDoo)\n", iocp->name);
980 return -ENOMSG;
981 }
982 return 0;
983
984fwdl_out:
985
986 CLEAR_MGMT_STATUS(iocp->ioctl_cmds.status);
987 SET_MGMT_MSG_CONTEXT(iocp->ioctl_cmds.msg_context, 0);
988 kfree_sgl(sgl, sgl_dma, buflist, iocp);
989 return ret;
990}
991
992/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
993/*
994 * SGE Allocation routine
995 *
996 * Inputs: bytes - number of bytes to be transferred
997 * sgdir - data direction
998 * sge_offset - offset (in bytes) from the start of the request
999 * frame to the first SGE
1000 * ioc - pointer to the mptadapter
1001 * Outputs: frags - number of scatter gather elements
1002 * blp - point to the buflist pointer
1003 * sglbuf_dma - pointer to the (dma) sgl
1004 * Returns: Null if failes
1005 * pointer to the (virtual) sgl if successful.
1006 */
1007static MptSge_t *
1008kbuf_alloc_2_sgl(int bytes, u32 sgdir, int sge_offset, int *frags,
1009 struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc)
1010{
1011 MptSge_t *sglbuf = NULL; /* pointer to array of SGE */
1012 /* and chain buffers */
1013 struct buflist *buflist = NULL; /* kernel routine */
1014 MptSge_t *sgl;
1015 int numfrags = 0;
1016 int fragcnt = 0;
1017 int alloc_sz = min(bytes,MAX_KMALLOC_SZ); // avoid kernel warning msg!
1018 int bytes_allocd = 0;
1019 int this_alloc;
1020 dma_addr_t pa; // phys addr
1021 int i, buflist_ent;
1022 int sg_spill = MAX_FRAGS_SPILL1;
1023 int dir;
1024
1025 if (bytes < 0)
1026 return NULL;
1027
1028 /* initialization */
1029 *frags = 0;
1030 *blp = NULL;
1031
1032 /* Allocate and initialize an array of kernel
1033 * structures for the SG elements.
1034 */
1035 i = MAX_SGL_BYTES / 8;
1036 buflist = kzalloc(i, GFP_USER);
1037 if (!buflist)
1038 return NULL;
1039 buflist_ent = 0;
1040
1041 /* Allocate a single block of memory to store the sg elements and
1042 * the chain buffers. The calling routine is responsible for
1043 * copying the data in this array into the correct place in the
1044 * request and chain buffers.
1045 */
1046 sglbuf = pci_alloc_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf_dma);
1047 if (sglbuf == NULL)
1048 goto free_and_fail;
1049
1050 if (sgdir & 0x04000000)
1051 dir = PCI_DMA_TODEVICE;
1052 else
1053 dir = PCI_DMA_FROMDEVICE;
1054
1055 /* At start:
1056 * sgl = sglbuf = point to beginning of sg buffer
1057 * buflist_ent = 0 = first kernel structure
1058 * sg_spill = number of SGE that can be written before the first
1059 * chain element.
1060 *
1061 */
1062 sgl = sglbuf;
1063 sg_spill = ((ioc->req_sz - sge_offset)/ioc->SGE_size) - 1;
1064 while (bytes_allocd < bytes) {
1065 this_alloc = min(alloc_sz, bytes-bytes_allocd);
1066 buflist[buflist_ent].len = this_alloc;
1067 buflist[buflist_ent].kptr = pci_alloc_consistent(ioc->pcidev,
1068 this_alloc,
1069 &pa);
1070 if (buflist[buflist_ent].kptr == NULL) {
1071 alloc_sz = alloc_sz / 2;
1072 if (alloc_sz == 0) {
1073 printk(MYIOC_s_WARN_FMT "-SG: No can do - "
1074 "not enough memory! :-(\n", ioc->name);
1075 printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n",
1076 ioc->name, numfrags);
1077 goto free_and_fail;
1078 }
1079 continue;
1080 } else {
1081 dma_addr_t dma_addr;
1082
1083 bytes_allocd += this_alloc;
1084 sgl->FlagsLength = (0x10000000|sgdir|this_alloc);
1085 dma_addr = pci_map_single(ioc->pcidev,
1086 buflist[buflist_ent].kptr, this_alloc, dir);
1087 sgl->Address = dma_addr;
1088
1089 fragcnt++;
1090 numfrags++;
1091 sgl++;
1092 buflist_ent++;
1093 }
1094
1095 if (bytes_allocd >= bytes)
1096 break;
1097
1098 /* Need to chain? */
1099 if (fragcnt == sg_spill) {
1100 printk(MYIOC_s_WARN_FMT
1101 "-SG: No can do - " "Chain required! :-(\n", ioc->name);
1102 printk(MYIOC_s_WARN_FMT "(freeing %d frags)\n", ioc->name, numfrags);
1103 goto free_and_fail;
1104 }
1105
1106 /* overflow check... */
1107 if (numfrags*8 > MAX_SGL_BYTES){
1108 /* GRRRRR... */
1109 printk(MYIOC_s_WARN_FMT "-SG: No can do - "
1110 "too many SG frags! :-(\n", ioc->name);
1111 printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n",
1112 ioc->name, numfrags);
1113 goto free_and_fail;
1114 }
1115 }
1116
1117 /* Last sge fixup: set LE+eol+eob bits */
1118 sgl[-1].FlagsLength |= 0xC1000000;
1119
1120 *frags = numfrags;
1121 *blp = buflist;
1122
1123 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - "
1124 "%d SG frags generated!\n", ioc->name, numfrags));
1125
1126 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - "
1127 "last (big) alloc_sz=%d\n", ioc->name, alloc_sz));
1128
1129 return sglbuf;
1130
1131free_and_fail:
1132 if (sglbuf != NULL) {
1133 for (i = 0; i < numfrags; i++) {
1134 dma_addr_t dma_addr;
1135 u8 *kptr;
1136 int len;
1137
1138 if ((sglbuf[i].FlagsLength >> 24) == 0x30)
1139 continue;
1140
1141 dma_addr = sglbuf[i].Address;
1142 kptr = buflist[i].kptr;
1143 len = buflist[i].len;
1144
1145 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
1146 }
1147 pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf, *sglbuf_dma);
1148 }
1149 kfree(buflist);
1150 return NULL;
1151}
1152
1153/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1154/*
1155 * Routine to free the SGL elements.
1156 */
1157static void
1158kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, struct buflist *buflist, MPT_ADAPTER *ioc)
1159{
1160 MptSge_t *sg = sgl;
1161 struct buflist *bl = buflist;
1162 u32 nib;
1163 int dir;
1164 int n = 0;
1165
1166 if (sg->FlagsLength & 0x04000000)
1167 dir = PCI_DMA_TODEVICE;
1168 else
1169 dir = PCI_DMA_FROMDEVICE;
1170
1171 nib = (sg->FlagsLength & 0xF0000000) >> 28;
1172 while (! (nib & 0x4)) { /* eob */
1173 /* skip ignore/chain. */
1174 if (nib == 0 || nib == 3) {
1175 ;
1176 } else if (sg->Address) {
1177 dma_addr_t dma_addr;
1178 void *kptr;
1179 int len;
1180
1181 dma_addr = sg->Address;
1182 kptr = bl->kptr;
1183 len = bl->len;
1184 pci_unmap_single(ioc->pcidev, dma_addr, len, dir);
1185 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
1186 n++;
1187 }
1188 sg++;
1189 bl++;
1190 nib = (le32_to_cpu(sg->FlagsLength) & 0xF0000000) >> 28;
1191 }
1192
1193 /* we're at eob! */
1194 if (sg->Address) {
1195 dma_addr_t dma_addr;
1196 void *kptr;
1197 int len;
1198
1199 dma_addr = sg->Address;
1200 kptr = bl->kptr;
1201 len = bl->len;
1202 pci_unmap_single(ioc->pcidev, dma_addr, len, dir);
1203 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
1204 n++;
1205 }
1206
1207 pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sgl, sgl_dma);
1208 kfree(buflist);
1209 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: Free'd 1 SGL buf + %d kbufs!\n",
1210 ioc->name, n));
1211}
1212
1213/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1214/*
1215 * mptctl_getiocinfo - Query the host adapter for IOC information.
1216 * @arg: User space argument
1217 *
1218 * Outputs: None.
1219 * Return: 0 if successful
1220 * -EFAULT if data unavailable
1221 * -ENODEV if no such device/adapter
1222 */
1223static int
1224mptctl_getiocinfo (MPT_ADAPTER *ioc, unsigned long arg, unsigned int data_size)
1225{
1226 struct mpt_ioctl_iocinfo __user *uarg = (void __user *) arg;
1227 struct mpt_ioctl_iocinfo *karg;
1228 struct pci_dev *pdev;
1229 unsigned int port;
1230 int cim_rev;
1231 struct scsi_device *sdev;
1232 VirtDevice *vdevice;
1233
1234 /* Add of PCI INFO results in unaligned access for
1235 * IA64 and Sparc. Reset long to int. Return no PCI
1236 * data for obsolete format.
1237 */
1238 if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev0))
1239 cim_rev = 0;
1240 else if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev1))
1241 cim_rev = 1;
1242 else if (data_size == sizeof(struct mpt_ioctl_iocinfo))
1243 cim_rev = 2;
1244 else if (data_size == (sizeof(struct mpt_ioctl_iocinfo_rev0)+12))
1245 cim_rev = 0; /* obsolete */
1246 else
1247 return -EFAULT;
1248
1249 karg = memdup_user(uarg, data_size);
1250 if (IS_ERR(karg)) {
1251 printk(KERN_ERR MYNAM "%s@%d::mpt_ioctl_iocinfo() - memdup_user returned error [%ld]\n",
1252 __FILE__, __LINE__, PTR_ERR(karg));
1253 return PTR_ERR(karg);
1254 }
1255
1256 /* Verify the data transfer size is correct. */
1257 if (karg->hdr.maxDataSize != data_size) {
1258 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - "
1259 "Structure size mismatch. Command not completed.\n",
1260 ioc->name, __FILE__, __LINE__);
1261 kfree(karg);
1262 return -EFAULT;
1263 }
1264
1265 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_getiocinfo called.\n",
1266 ioc->name));
1267
1268 /* Fill in the data and return the structure to the calling
1269 * program
1270 */
1271 if (ioc->bus_type == SAS)
1272 karg->adapterType = MPT_IOCTL_INTERFACE_SAS;
1273 else if (ioc->bus_type == FC)
1274 karg->adapterType = MPT_IOCTL_INTERFACE_FC;
1275 else
1276 karg->adapterType = MPT_IOCTL_INTERFACE_SCSI;
1277
1278 if (karg->hdr.port > 1) {
1279 kfree(karg);
1280 return -EINVAL;
1281 }
1282 port = karg->hdr.port;
1283
1284 karg->port = port;
1285 pdev = (struct pci_dev *) ioc->pcidev;
1286
1287 karg->pciId = pdev->device;
1288 karg->hwRev = pdev->revision;
1289 karg->subSystemDevice = pdev->subsystem_device;
1290 karg->subSystemVendor = pdev->subsystem_vendor;
1291
1292 if (cim_rev == 1) {
1293 /* Get the PCI bus, device, and function numbers for the IOC
1294 */
1295 karg->pciInfo.u.bits.busNumber = pdev->bus->number;
1296 karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn );
1297 karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn );
1298 } else if (cim_rev == 2) {
1299 /* Get the PCI bus, device, function and segment ID numbers
1300 for the IOC */
1301 karg->pciInfo.u.bits.busNumber = pdev->bus->number;
1302 karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn );
1303 karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn );
1304 karg->pciInfo.segmentID = pci_domain_nr(pdev->bus);
1305 }
1306
1307 /* Get number of devices
1308 */
1309 karg->numDevices = 0;
1310 if (ioc->sh) {
1311 shost_for_each_device(sdev, ioc->sh) {
1312 vdevice = sdev->hostdata;
1313 if (vdevice == NULL || vdevice->vtarget == NULL)
1314 continue;
1315 if (vdevice->vtarget->tflags &
1316 MPT_TARGET_FLAGS_RAID_COMPONENT)
1317 continue;
1318 karg->numDevices++;
1319 }
1320 }
1321
1322 /* Set the BIOS and FW Version
1323 */
1324 karg->FWVersion = ioc->facts.FWVersion.Word;
1325 karg->BIOSVersion = ioc->biosVersion;
1326
1327 /* Set the Version Strings.
1328 */
1329 strncpy (karg->driverVersion, MPT_LINUX_PACKAGE_NAME, MPT_IOCTL_VERSION_LENGTH);
1330 karg->driverVersion[MPT_IOCTL_VERSION_LENGTH-1]='\0';
1331
1332 karg->busChangeEvent = 0;
1333 karg->hostId = ioc->pfacts[port].PortSCSIID;
1334 karg->rsvd[0] = karg->rsvd[1] = 0;
1335
1336 /* Copy the data from kernel memory to user memory
1337 */
1338 if (copy_to_user((char __user *)arg, karg, data_size)) {
1339 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - "
1340 "Unable to write out mpt_ioctl_iocinfo struct @ %p\n",
1341 ioc->name, __FILE__, __LINE__, uarg);
1342 kfree(karg);
1343 return -EFAULT;
1344 }
1345
1346 kfree(karg);
1347 return 0;
1348}
1349
1350/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1351/*
1352 * mptctl_gettargetinfo - Query the host adapter for target information.
1353 * @arg: User space argument
1354 *
1355 * Outputs: None.
1356 * Return: 0 if successful
1357 * -EFAULT if data unavailable
1358 * -ENODEV if no such device/adapter
1359 */
1360static int
1361mptctl_gettargetinfo (MPT_ADAPTER *ioc, unsigned long arg)
1362{
1363 struct mpt_ioctl_targetinfo __user *uarg = (void __user *) arg;
1364 struct mpt_ioctl_targetinfo karg;
1365 VirtDevice *vdevice;
1366 char *pmem;
1367 int *pdata;
1368 int numDevices = 0;
1369 int lun;
1370 int maxWordsLeft;
1371 int numBytes;
1372 u8 port;
1373 struct scsi_device *sdev;
1374
1375 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_targetinfo))) {
1376 printk(KERN_ERR MYNAM "%s@%d::mptctl_gettargetinfo - "
1377 "Unable to read in mpt_ioctl_targetinfo struct @ %p\n",
1378 __FILE__, __LINE__, uarg);
1379 return -EFAULT;
1380 }
1381
1382 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_gettargetinfo called.\n",
1383 ioc->name));
1384 /* Get the port number and set the maximum number of bytes
1385 * in the returned structure.
1386 * Ignore the port setting.
1387 */
1388 numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header);
1389 maxWordsLeft = numBytes/sizeof(int);
1390 port = karg.hdr.port;
1391
1392 if (maxWordsLeft <= 0) {
1393 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n",
1394 ioc->name, __FILE__, __LINE__);
1395 return -ENOMEM;
1396 }
1397
1398 /* Fill in the data and return the structure to the calling
1399 * program
1400 */
1401
1402 /* struct mpt_ioctl_targetinfo does not contain sufficient space
1403 * for the target structures so when the IOCTL is called, there is
1404 * not sufficient stack space for the structure. Allocate memory,
1405 * populate the memory, copy back to the user, then free memory.
1406 * targetInfo format:
1407 * bits 31-24: reserved
1408 * 23-16: LUN
1409 * 15- 8: Bus Number
1410 * 7- 0: Target ID
1411 */
1412 pmem = kzalloc(numBytes, GFP_KERNEL);
1413 if (!pmem) {
1414 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n",
1415 ioc->name, __FILE__, __LINE__);
1416 return -ENOMEM;
1417 }
1418 pdata = (int *) pmem;
1419
1420 /* Get number of devices
1421 */
1422 if (ioc->sh){
1423 shost_for_each_device(sdev, ioc->sh) {
1424 if (!maxWordsLeft)
1425 continue;
1426 vdevice = sdev->hostdata;
1427 if (vdevice == NULL || vdevice->vtarget == NULL)
1428 continue;
1429 if (vdevice->vtarget->tflags &
1430 MPT_TARGET_FLAGS_RAID_COMPONENT)
1431 continue;
1432 lun = (vdevice->vtarget->raidVolume) ? 0x80 : vdevice->lun;
1433 *pdata = (((u8)lun << 16) + (vdevice->vtarget->channel << 8) +
1434 (vdevice->vtarget->id ));
1435 pdata++;
1436 numDevices++;
1437 --maxWordsLeft;
1438 }
1439 }
1440 karg.numDevices = numDevices;
1441
1442 /* Copy part of the data from kernel memory to user memory
1443 */
1444 if (copy_to_user((char __user *)arg, &karg,
1445 sizeof(struct mpt_ioctl_targetinfo))) {
1446 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - "
1447 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
1448 ioc->name, __FILE__, __LINE__, uarg);
1449 kfree(pmem);
1450 return -EFAULT;
1451 }
1452
1453 /* Copy the remaining data from kernel memory to user memory
1454 */
1455 if (copy_to_user(uarg->targetInfo, pmem, numBytes)) {
1456 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - "
1457 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
1458 ioc->name, __FILE__, __LINE__, pdata);
1459 kfree(pmem);
1460 return -EFAULT;
1461 }
1462
1463 kfree(pmem);
1464
1465 return 0;
1466}
1467
1468/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1469/* MPT IOCTL Test function.
1470 *
1471 * Outputs: None.
1472 * Return: 0 if successful
1473 * -EFAULT if data unavailable
1474 * -ENODEV if no such device/adapter
1475 */
1476static int
1477mptctl_readtest (MPT_ADAPTER *ioc, unsigned long arg)
1478{
1479 struct mpt_ioctl_test __user *uarg = (void __user *) arg;
1480 struct mpt_ioctl_test karg;
1481
1482 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_test))) {
1483 printk(KERN_ERR MYNAM "%s@%d::mptctl_readtest - "
1484 "Unable to read in mpt_ioctl_test struct @ %p\n",
1485 __FILE__, __LINE__, uarg);
1486 return -EFAULT;
1487 }
1488
1489 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_readtest called.\n",
1490 ioc->name));
1491 /* Fill in the data and return the structure to the calling
1492 * program
1493 */
1494
1495#ifdef MFCNT
1496 karg.chip_type = ioc->mfcnt;
1497#else
1498 karg.chip_type = ioc->pcidev->device;
1499#endif
1500 strncpy (karg.name, ioc->name, MPT_MAX_NAME);
1501 karg.name[MPT_MAX_NAME-1]='\0';
1502 strncpy (karg.product, ioc->prod_name, MPT_PRODUCT_LENGTH);
1503 karg.product[MPT_PRODUCT_LENGTH-1]='\0';
1504
1505 /* Copy the data from kernel memory to user memory
1506 */
1507 if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_test))) {
1508 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_readtest - "
1509 "Unable to write out mpt_ioctl_test struct @ %p\n",
1510 ioc->name, __FILE__, __LINE__, uarg);
1511 return -EFAULT;
1512 }
1513
1514 return 0;
1515}
1516
1517/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1518/*
1519 * mptctl_eventquery - Query the host adapter for the event types
1520 * that are being logged.
1521 * @arg: User space argument
1522 *
1523 * Outputs: None.
1524 * Return: 0 if successful
1525 * -EFAULT if data unavailable
1526 * -ENODEV if no such device/adapter
1527 */
1528static int
1529mptctl_eventquery (MPT_ADAPTER *ioc, unsigned long arg)
1530{
1531 struct mpt_ioctl_eventquery __user *uarg = (void __user *) arg;
1532 struct mpt_ioctl_eventquery karg;
1533
1534 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventquery))) {
1535 printk(KERN_ERR MYNAM "%s@%d::mptctl_eventquery - "
1536 "Unable to read in mpt_ioctl_eventquery struct @ %p\n",
1537 __FILE__, __LINE__, uarg);
1538 return -EFAULT;
1539 }
1540
1541 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventquery called.\n",
1542 ioc->name));
1543 karg.eventEntries = MPTCTL_EVENT_LOG_SIZE;
1544 karg.eventTypes = ioc->eventTypes;
1545
1546 /* Copy the data from kernel memory to user memory
1547 */
1548 if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_eventquery))) {
1549 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventquery - "
1550 "Unable to write out mpt_ioctl_eventquery struct @ %p\n",
1551 ioc->name, __FILE__, __LINE__, uarg);
1552 return -EFAULT;
1553 }
1554 return 0;
1555}
1556
1557/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1558static int
1559mptctl_eventenable (MPT_ADAPTER *ioc, unsigned long arg)
1560{
1561 struct mpt_ioctl_eventenable __user *uarg = (void __user *) arg;
1562 struct mpt_ioctl_eventenable karg;
1563
1564 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventenable))) {
1565 printk(KERN_ERR MYNAM "%s@%d::mptctl_eventenable - "
1566 "Unable to read in mpt_ioctl_eventenable struct @ %p\n",
1567 __FILE__, __LINE__, uarg);
1568 return -EFAULT;
1569 }
1570
1571 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventenable called.\n",
1572 ioc->name));
1573 if (ioc->events == NULL) {
1574 /* Have not yet allocated memory - do so now.
1575 */
1576 int sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS);
1577 ioc->events = kzalloc(sz, GFP_KERNEL);
1578 if (!ioc->events) {
1579 printk(MYIOC_s_ERR_FMT
1580 ": ERROR - Insufficient memory to add adapter!\n",
1581 ioc->name);
1582 return -ENOMEM;
1583 }
1584 ioc->alloc_total += sz;
1585
1586 ioc->eventContext = 0;
1587 }
1588
1589 /* Update the IOC event logging flag.
1590 */
1591 ioc->eventTypes = karg.eventTypes;
1592
1593 return 0;
1594}
1595
1596/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1597static int
1598mptctl_eventreport (MPT_ADAPTER *ioc, unsigned long arg)
1599{
1600 struct mpt_ioctl_eventreport __user *uarg = (void __user *) arg;
1601 struct mpt_ioctl_eventreport karg;
1602 int numBytes, maxEvents, max;
1603
1604 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventreport))) {
1605 printk(KERN_ERR MYNAM "%s@%d::mptctl_eventreport - "
1606 "Unable to read in mpt_ioctl_eventreport struct @ %p\n",
1607 __FILE__, __LINE__, uarg);
1608 return -EFAULT;
1609 }
1610
1611 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventreport called.\n",
1612 ioc->name));
1613
1614 numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header);
1615 maxEvents = numBytes/sizeof(MPT_IOCTL_EVENTS);
1616
1617
1618 max = MPTCTL_EVENT_LOG_SIZE < maxEvents ? MPTCTL_EVENT_LOG_SIZE : maxEvents;
1619
1620 /* If fewer than 1 event is requested, there must have
1621 * been some type of error.
1622 */
1623 if ((max < 1) || !ioc->events)
1624 return -ENODATA;
1625
1626 /* reset this flag so SIGIO can restart */
1627 ioc->aen_event_read_flag=0;
1628
1629 /* Copy the data from kernel memory to user memory
1630 */
1631 numBytes = max * sizeof(MPT_IOCTL_EVENTS);
1632 if (copy_to_user(uarg->eventData, ioc->events, numBytes)) {
1633 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventreport - "
1634 "Unable to write out mpt_ioctl_eventreport struct @ %p\n",
1635 ioc->name, __FILE__, __LINE__, ioc->events);
1636 return -EFAULT;
1637 }
1638
1639 return 0;
1640}
1641
1642/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1643static int
1644mptctl_replace_fw (MPT_ADAPTER *ioc, unsigned long arg)
1645{
1646 struct mpt_ioctl_replace_fw __user *uarg = (void __user *) arg;
1647 struct mpt_ioctl_replace_fw karg;
1648 int newFwSize;
1649
1650 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_replace_fw))) {
1651 printk(KERN_ERR MYNAM "%s@%d::mptctl_replace_fw - "
1652 "Unable to read in mpt_ioctl_replace_fw struct @ %p\n",
1653 __FILE__, __LINE__, uarg);
1654 return -EFAULT;
1655 }
1656
1657 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_replace_fw called.\n",
1658 ioc->name));
1659 /* If caching FW, Free the old FW image
1660 */
1661 if (ioc->cached_fw == NULL)
1662 return 0;
1663
1664 mpt_free_fw_memory(ioc);
1665
1666 /* Allocate memory for the new FW image
1667 */
1668 newFwSize = ALIGN(karg.newImageSize, 4);
1669
1670 mpt_alloc_fw_memory(ioc, newFwSize);
1671 if (ioc->cached_fw == NULL)
1672 return -ENOMEM;
1673
1674 /* Copy the data from user memory to kernel space
1675 */
1676 if (copy_from_user(ioc->cached_fw, uarg->newImage, newFwSize)) {
1677 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_replace_fw - "
1678 "Unable to read in mpt_ioctl_replace_fw image "
1679 "@ %p\n", ioc->name, __FILE__, __LINE__, uarg);
1680 mpt_free_fw_memory(ioc);
1681 return -EFAULT;
1682 }
1683
1684 /* Update IOCFactsReply
1685 */
1686 ioc->facts.FWImageSize = newFwSize;
1687 return 0;
1688}
1689
1690/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1691/* MPT IOCTL MPTCOMMAND function.
1692 * Cast the arg into the mpt_ioctl_mpt_command structure.
1693 *
1694 * Outputs: None.
1695 * Return: 0 if successful
1696 * -EBUSY if previous command timeout and IOC reset is not complete.
1697 * -EFAULT if data unavailable
1698 * -ENODEV if no such device/adapter
1699 * -ETIME if timer expires
1700 * -ENOMEM if memory allocation error
1701 */
1702static int
1703mptctl_mpt_command (MPT_ADAPTER *ioc, unsigned long arg)
1704{
1705 struct mpt_ioctl_command __user *uarg = (void __user *) arg;
1706 struct mpt_ioctl_command karg;
1707 int rc;
1708
1709
1710 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_command))) {
1711 printk(KERN_ERR MYNAM "%s@%d::mptctl_mpt_command - "
1712 "Unable to read in mpt_ioctl_command struct @ %p\n",
1713 __FILE__, __LINE__, uarg);
1714 return -EFAULT;
1715 }
1716
1717 rc = mptctl_do_mpt_command (ioc, karg, &uarg->MF);
1718
1719 return rc;
1720}
1721
1722/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1723/* Worker routine for the IOCTL MPTCOMMAND and MPTCOMMAND32 (sparc) commands.
1724 *
1725 * Outputs: None.
1726 * Return: 0 if successful
1727 * -EBUSY if previous command timeout and IOC reset is not complete.
1728 * -EFAULT if data unavailable
1729 * -ENODEV if no such device/adapter
1730 * -ETIME if timer expires
1731 * -ENOMEM if memory allocation error
1732 * -EPERM if SCSI I/O and target is untagged
1733 */
1734static int
1735mptctl_do_mpt_command (MPT_ADAPTER *ioc, struct mpt_ioctl_command karg, void __user *mfPtr)
1736{
1737 MPT_FRAME_HDR *mf = NULL;
1738 MPIHeader_t *hdr;
1739 char *psge;
1740 struct buflist bufIn; /* data In buffer */
1741 struct buflist bufOut; /* data Out buffer */
1742 dma_addr_t dma_addr_in;
1743 dma_addr_t dma_addr_out;
1744 int sgSize = 0; /* Num SG elements */
1745 int flagsLength;
1746 int sz, rc = 0;
1747 int msgContext;
1748 u16 req_idx;
1749 ulong timeout;
1750 unsigned long timeleft;
1751 struct scsi_device *sdev;
1752 unsigned long flags;
1753 u8 function;
1754
1755 /* bufIn and bufOut are used for user to kernel space transfers
1756 */
1757 bufIn.kptr = bufOut.kptr = NULL;
1758 bufIn.len = bufOut.len = 0;
1759
1760 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
1761 if (ioc->ioc_reset_in_progress) {
1762 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
1763 printk(KERN_ERR MYNAM "%s@%d::mptctl_do_mpt_command - "
1764 "Busy with diagnostic reset\n", __FILE__, __LINE__);
1765 return -EBUSY;
1766 }
1767 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
1768
1769 /* Basic sanity checks to prevent underflows or integer overflows */
1770 if (karg.maxReplyBytes < 0 ||
1771 karg.dataInSize < 0 ||
1772 karg.dataOutSize < 0 ||
1773 karg.dataSgeOffset < 0 ||
1774 karg.maxSenseBytes < 0 ||
1775 karg.dataSgeOffset > ioc->req_sz / 4)
1776 return -EINVAL;
1777
1778 /* Verify that the final request frame will not be too large.
1779 */
1780 sz = karg.dataSgeOffset * 4;
1781 if (karg.dataInSize > 0)
1782 sz += ioc->SGE_size;
1783 if (karg.dataOutSize > 0)
1784 sz += ioc->SGE_size;
1785
1786 if (sz > ioc->req_sz) {
1787 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1788 "Request frame too large (%d) maximum (%d)\n",
1789 ioc->name, __FILE__, __LINE__, sz, ioc->req_sz);
1790 return -EFAULT;
1791 }
1792
1793 /* Get a free request frame and save the message context.
1794 */
1795 if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL)
1796 return -EAGAIN;
1797
1798 hdr = (MPIHeader_t *) mf;
1799 msgContext = le32_to_cpu(hdr->MsgContext);
1800 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1801
1802 /* Copy the request frame
1803 * Reset the saved message context.
1804 * Request frame in user space
1805 */
1806 if (copy_from_user(mf, mfPtr, karg.dataSgeOffset * 4)) {
1807 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1808 "Unable to read MF from mpt_ioctl_command struct @ %p\n",
1809 ioc->name, __FILE__, __LINE__, mfPtr);
1810 function = -1;
1811 rc = -EFAULT;
1812 goto done_free_mem;
1813 }
1814 hdr->MsgContext = cpu_to_le32(msgContext);
1815 function = hdr->Function;
1816
1817
1818 /* Verify that this request is allowed.
1819 */
1820 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sending mpi function (0x%02X), req=%p\n",
1821 ioc->name, hdr->Function, mf));
1822
1823 switch (function) {
1824 case MPI_FUNCTION_IOC_FACTS:
1825 case MPI_FUNCTION_PORT_FACTS:
1826 karg.dataOutSize = karg.dataInSize = 0;
1827 break;
1828
1829 case MPI_FUNCTION_CONFIG:
1830 {
1831 Config_t *config_frame;
1832 config_frame = (Config_t *)mf;
1833 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\ttype=0x%02x ext_type=0x%02x "
1834 "number=0x%02x action=0x%02x\n", ioc->name,
1835 config_frame->Header.PageType,
1836 config_frame->ExtPageType,
1837 config_frame->Header.PageNumber,
1838 config_frame->Action));
1839 break;
1840 }
1841
1842 case MPI_FUNCTION_FC_COMMON_TRANSPORT_SEND:
1843 case MPI_FUNCTION_FC_EX_LINK_SRVC_SEND:
1844 case MPI_FUNCTION_FW_UPLOAD:
1845 case MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR:
1846 case MPI_FUNCTION_FW_DOWNLOAD:
1847 case MPI_FUNCTION_FC_PRIMITIVE_SEND:
1848 case MPI_FUNCTION_TOOLBOX:
1849 case MPI_FUNCTION_SAS_IO_UNIT_CONTROL:
1850 break;
1851
1852 case MPI_FUNCTION_SCSI_IO_REQUEST:
1853 if (ioc->sh) {
1854 SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf;
1855 int qtag = MPI_SCSIIO_CONTROL_UNTAGGED;
1856 int scsidir = 0;
1857 int dataSize;
1858 u32 id;
1859
1860 id = (ioc->devices_per_bus == 0) ? 256 : ioc->devices_per_bus;
1861 if (pScsiReq->TargetID > id) {
1862 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1863 "Target ID out of bounds. \n",
1864 ioc->name, __FILE__, __LINE__);
1865 rc = -ENODEV;
1866 goto done_free_mem;
1867 }
1868
1869 if (pScsiReq->Bus >= ioc->number_of_buses) {
1870 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1871 "Target Bus out of bounds. \n",
1872 ioc->name, __FILE__, __LINE__);
1873 rc = -ENODEV;
1874 goto done_free_mem;
1875 }
1876
1877 pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH;
1878 pScsiReq->MsgFlags |= mpt_msg_flags(ioc);
1879
1880
1881 /* verify that app has not requested
1882 * more sense data than driver
1883 * can provide, if so, reset this parameter
1884 * set the sense buffer pointer low address
1885 * update the control field to specify Q type
1886 */
1887 if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE)
1888 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1889 else
1890 pScsiReq->SenseBufferLength = karg.maxSenseBytes;
1891
1892 pScsiReq->SenseBufferLowAddr =
1893 cpu_to_le32(ioc->sense_buf_low_dma
1894 + (req_idx * MPT_SENSE_BUFFER_ALLOC));
1895
1896 shost_for_each_device(sdev, ioc->sh) {
1897 struct scsi_target *starget = scsi_target(sdev);
1898 VirtTarget *vtarget = starget->hostdata;
1899
1900 if (vtarget == NULL)
1901 continue;
1902
1903 if ((pScsiReq->TargetID == vtarget->id) &&
1904 (pScsiReq->Bus == vtarget->channel) &&
1905 (vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
1906 qtag = MPI_SCSIIO_CONTROL_SIMPLEQ;
1907 }
1908
1909 /* Have the IOCTL driver set the direction based
1910 * on the dataOutSize (ordering issue with Sparc).
1911 */
1912 if (karg.dataOutSize > 0) {
1913 scsidir = MPI_SCSIIO_CONTROL_WRITE;
1914 dataSize = karg.dataOutSize;
1915 } else {
1916 scsidir = MPI_SCSIIO_CONTROL_READ;
1917 dataSize = karg.dataInSize;
1918 }
1919
1920 pScsiReq->Control = cpu_to_le32(scsidir | qtag);
1921 pScsiReq->DataLength = cpu_to_le32(dataSize);
1922
1923
1924 } else {
1925 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1926 "SCSI driver is not loaded. \n",
1927 ioc->name, __FILE__, __LINE__);
1928 rc = -EFAULT;
1929 goto done_free_mem;
1930 }
1931 break;
1932
1933 case MPI_FUNCTION_SMP_PASSTHROUGH:
1934 /* Check mf->PassthruFlags to determine if
1935 * transfer is ImmediateMode or not.
1936 * Immediate mode returns data in the ReplyFrame.
1937 * Else, we are sending request and response data
1938 * in two SGLs at the end of the mf.
1939 */
1940 break;
1941
1942 case MPI_FUNCTION_SATA_PASSTHROUGH:
1943 if (!ioc->sh) {
1944 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1945 "SCSI driver is not loaded. \n",
1946 ioc->name, __FILE__, __LINE__);
1947 rc = -EFAULT;
1948 goto done_free_mem;
1949 }
1950 break;
1951
1952 case MPI_FUNCTION_RAID_ACTION:
1953 /* Just add a SGE
1954 */
1955 break;
1956
1957 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
1958 if (ioc->sh) {
1959 SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf;
1960 int qtag = MPI_SCSIIO_CONTROL_SIMPLEQ;
1961 int scsidir = MPI_SCSIIO_CONTROL_READ;
1962 int dataSize;
1963
1964 pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH;
1965 pScsiReq->MsgFlags |= mpt_msg_flags(ioc);
1966
1967
1968 /* verify that app has not requested
1969 * more sense data than driver
1970 * can provide, if so, reset this parameter
1971 * set the sense buffer pointer low address
1972 * update the control field to specify Q type
1973 */
1974 if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE)
1975 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1976 else
1977 pScsiReq->SenseBufferLength = karg.maxSenseBytes;
1978
1979 pScsiReq->SenseBufferLowAddr =
1980 cpu_to_le32(ioc->sense_buf_low_dma
1981 + (req_idx * MPT_SENSE_BUFFER_ALLOC));
1982
1983 /* All commands to physical devices are tagged
1984 */
1985
1986 /* Have the IOCTL driver set the direction based
1987 * on the dataOutSize (ordering issue with Sparc).
1988 */
1989 if (karg.dataOutSize > 0) {
1990 scsidir = MPI_SCSIIO_CONTROL_WRITE;
1991 dataSize = karg.dataOutSize;
1992 } else {
1993 scsidir = MPI_SCSIIO_CONTROL_READ;
1994 dataSize = karg.dataInSize;
1995 }
1996
1997 pScsiReq->Control = cpu_to_le32(scsidir | qtag);
1998 pScsiReq->DataLength = cpu_to_le32(dataSize);
1999
2000 } else {
2001 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
2002 "SCSI driver is not loaded. \n",
2003 ioc->name, __FILE__, __LINE__);
2004 rc = -EFAULT;
2005 goto done_free_mem;
2006 }
2007 break;
2008
2009 case MPI_FUNCTION_SCSI_TASK_MGMT:
2010 {
2011 SCSITaskMgmt_t *pScsiTm;
2012 pScsiTm = (SCSITaskMgmt_t *)mf;
2013 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2014 "\tTaskType=0x%x MsgFlags=0x%x "
2015 "TaskMsgContext=0x%x id=%d channel=%d\n",
2016 ioc->name, pScsiTm->TaskType, le32_to_cpu
2017 (pScsiTm->TaskMsgContext), pScsiTm->MsgFlags,
2018 pScsiTm->TargetID, pScsiTm->Bus));
2019 break;
2020 }
2021
2022 case MPI_FUNCTION_IOC_INIT:
2023 {
2024 IOCInit_t *pInit = (IOCInit_t *) mf;
2025 u32 high_addr, sense_high;
2026
2027 /* Verify that all entries in the IOC INIT match
2028 * existing setup (and in LE format).
2029 */
2030 if (sizeof(dma_addr_t) == sizeof(u64)) {
2031 high_addr = cpu_to_le32((u32)((u64)ioc->req_frames_dma >> 32));
2032 sense_high= cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32));
2033 } else {
2034 high_addr = 0;
2035 sense_high= 0;
2036 }
2037
2038 if ((pInit->Flags != 0) || (pInit->MaxDevices != ioc->facts.MaxDevices) ||
2039 (pInit->MaxBuses != ioc->facts.MaxBuses) ||
2040 (pInit->ReplyFrameSize != cpu_to_le16(ioc->reply_sz)) ||
2041 (pInit->HostMfaHighAddr != high_addr) ||
2042 (pInit->SenseBufferHighAddr != sense_high)) {
2043 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
2044 "IOC_INIT issued with 1 or more incorrect parameters. Rejected.\n",
2045 ioc->name, __FILE__, __LINE__);
2046 rc = -EFAULT;
2047 goto done_free_mem;
2048 }
2049 }
2050 break;
2051 default:
2052 /*
2053 * MPI_FUNCTION_PORT_ENABLE
2054 * MPI_FUNCTION_TARGET_CMD_BUFFER_POST
2055 * MPI_FUNCTION_TARGET_ASSIST
2056 * MPI_FUNCTION_TARGET_STATUS_SEND
2057 * MPI_FUNCTION_TARGET_MODE_ABORT
2058 * MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET
2059 * MPI_FUNCTION_IO_UNIT_RESET
2060 * MPI_FUNCTION_HANDSHAKE
2061 * MPI_FUNCTION_REPLY_FRAME_REMOVAL
2062 * MPI_FUNCTION_EVENT_NOTIFICATION
2063 * (driver handles event notification)
2064 * MPI_FUNCTION_EVENT_ACK
2065 */
2066
2067 /* What to do with these??? CHECK ME!!!
2068 MPI_FUNCTION_FC_LINK_SRVC_BUF_POST
2069 MPI_FUNCTION_FC_LINK_SRVC_RSP
2070 MPI_FUNCTION_FC_ABORT
2071 MPI_FUNCTION_LAN_SEND
2072 MPI_FUNCTION_LAN_RECEIVE
2073 MPI_FUNCTION_LAN_RESET
2074 */
2075
2076 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
2077 "Illegal request (function 0x%x) \n",
2078 ioc->name, __FILE__, __LINE__, hdr->Function);
2079 rc = -EFAULT;
2080 goto done_free_mem;
2081 }
2082
2083 /* Add the SGL ( at most one data in SGE and one data out SGE )
2084 * In the case of two SGE's - the data out (write) will always
2085 * preceede the data in (read) SGE. psgList is used to free the
2086 * allocated memory.
2087 */
2088 psge = (char *) (((int *) mf) + karg.dataSgeOffset);
2089 flagsLength = 0;
2090
2091 if (karg.dataOutSize > 0)
2092 sgSize ++;
2093
2094 if (karg.dataInSize > 0)
2095 sgSize ++;
2096
2097 if (sgSize > 0) {
2098
2099 /* Set up the dataOut memory allocation */
2100 if (karg.dataOutSize > 0) {
2101 if (karg.dataInSize > 0) {
2102 flagsLength = ( MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2103 MPI_SGE_FLAGS_END_OF_BUFFER |
2104 MPI_SGE_FLAGS_DIRECTION)
2105 << MPI_SGE_FLAGS_SHIFT;
2106 } else {
2107 flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE;
2108 }
2109 flagsLength |= karg.dataOutSize;
2110 bufOut.len = karg.dataOutSize;
2111 bufOut.kptr = pci_alloc_consistent(
2112 ioc->pcidev, bufOut.len, &dma_addr_out);
2113
2114 if (bufOut.kptr == NULL) {
2115 rc = -ENOMEM;
2116 goto done_free_mem;
2117 } else {
2118 /* Set up this SGE.
2119 * Copy to MF and to sglbuf
2120 */
2121 ioc->add_sge(psge, flagsLength, dma_addr_out);
2122 psge += ioc->SGE_size;
2123
2124 /* Copy user data to kernel space.
2125 */
2126 if (copy_from_user(bufOut.kptr,
2127 karg.dataOutBufPtr,
2128 bufOut.len)) {
2129 printk(MYIOC_s_ERR_FMT
2130 "%s@%d::mptctl_do_mpt_command - Unable "
2131 "to read user data "
2132 "struct @ %p\n",
2133 ioc->name, __FILE__, __LINE__,karg.dataOutBufPtr);
2134 rc = -EFAULT;
2135 goto done_free_mem;
2136 }
2137 }
2138 }
2139
2140 if (karg.dataInSize > 0) {
2141 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ;
2142 flagsLength |= karg.dataInSize;
2143
2144 bufIn.len = karg.dataInSize;
2145 bufIn.kptr = pci_alloc_consistent(ioc->pcidev,
2146 bufIn.len, &dma_addr_in);
2147
2148 if (bufIn.kptr == NULL) {
2149 rc = -ENOMEM;
2150 goto done_free_mem;
2151 } else {
2152 /* Set up this SGE
2153 * Copy to MF and to sglbuf
2154 */
2155 ioc->add_sge(psge, flagsLength, dma_addr_in);
2156 }
2157 }
2158 } else {
2159 /* Add a NULL SGE
2160 */
2161 ioc->add_sge(psge, flagsLength, (dma_addr_t) -1);
2162 }
2163
2164 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, hdr->MsgContext);
2165 INITIALIZE_MGMT_STATUS(ioc->ioctl_cmds.status)
2166 if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) {
2167
2168 mutex_lock(&ioc->taskmgmt_cmds.mutex);
2169 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
2170 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
2171 goto done_free_mem;
2172 }
2173
2174 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf);
2175
2176 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
2177 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
2178 mpt_put_msg_frame_hi_pri(mptctl_id, ioc, mf);
2179 else {
2180 rc =mpt_send_handshake_request(mptctl_id, ioc,
2181 sizeof(SCSITaskMgmt_t), (u32*)mf, CAN_SLEEP);
2182 if (rc != 0) {
2183 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
2184 "send_handshake FAILED! (ioc %p, mf %p)\n",
2185 ioc->name, ioc, mf));
2186 mpt_clear_taskmgmt_in_progress_flag(ioc);
2187 rc = -ENODATA;
2188 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
2189 goto done_free_mem;
2190 }
2191 }
2192
2193 } else
2194 mpt_put_msg_frame(mptctl_id, ioc, mf);
2195
2196 /* Now wait for the command to complete */
2197 timeout = (karg.timeout > 0) ? karg.timeout : MPT_IOCTL_DEFAULT_TIMEOUT;
2198retry_wait:
2199 timeleft = wait_for_completion_timeout(&ioc->ioctl_cmds.done,
2200 HZ*timeout);
2201 if (!(ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2202 rc = -ETIME;
2203 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "%s: TIMED OUT!\n",
2204 ioc->name, __func__));
2205 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
2206 if (function == MPI_FUNCTION_SCSI_TASK_MGMT)
2207 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
2208 goto done_free_mem;
2209 }
2210 if (!timeleft) {
2211 printk(MYIOC_s_WARN_FMT
2212 "mpt cmd timeout, doorbell=0x%08x"
2213 " function=0x%x\n",
2214 ioc->name, mpt_GetIocState(ioc, 0), function);
2215 if (function == MPI_FUNCTION_SCSI_TASK_MGMT)
2216 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
2217 mptctl_timeout_expired(ioc, mf);
2218 mf = NULL;
2219 } else
2220 goto retry_wait;
2221 goto done_free_mem;
2222 }
2223
2224 if (function == MPI_FUNCTION_SCSI_TASK_MGMT)
2225 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
2226
2227
2228 mf = NULL;
2229
2230 /* If a valid reply frame, copy to the user.
2231 * Offset 2: reply length in U32's
2232 */
2233 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID) {
2234 if (karg.maxReplyBytes < ioc->reply_sz) {
2235 sz = min(karg.maxReplyBytes,
2236 4*ioc->ioctl_cmds.reply[2]);
2237 } else {
2238 sz = min(ioc->reply_sz, 4*ioc->ioctl_cmds.reply[2]);
2239 }
2240 if (sz > 0) {
2241 if (copy_to_user(karg.replyFrameBufPtr,
2242 ioc->ioctl_cmds.reply, sz)){
2243 printk(MYIOC_s_ERR_FMT
2244 "%s@%d::mptctl_do_mpt_command - "
2245 "Unable to write out reply frame %p\n",
2246 ioc->name, __FILE__, __LINE__, karg.replyFrameBufPtr);
2247 rc = -ENODATA;
2248 goto done_free_mem;
2249 }
2250 }
2251 }
2252
2253 /* If valid sense data, copy to user.
2254 */
2255 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_SENSE_VALID) {
2256 sz = min(karg.maxSenseBytes, MPT_SENSE_BUFFER_SIZE);
2257 if (sz > 0) {
2258 if (copy_to_user(karg.senseDataPtr,
2259 ioc->ioctl_cmds.sense, sz)) {
2260 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
2261 "Unable to write sense data to user %p\n",
2262 ioc->name, __FILE__, __LINE__,
2263 karg.senseDataPtr);
2264 rc = -ENODATA;
2265 goto done_free_mem;
2266 }
2267 }
2268 }
2269
2270 /* If the overall status is _GOOD and data in, copy data
2271 * to user.
2272 */
2273 if ((ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD) &&
2274 (karg.dataInSize > 0) && (bufIn.kptr)) {
2275
2276 if (copy_to_user(karg.dataInBufPtr,
2277 bufIn.kptr, karg.dataInSize)) {
2278 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
2279 "Unable to write data to user %p\n",
2280 ioc->name, __FILE__, __LINE__,
2281 karg.dataInBufPtr);
2282 rc = -ENODATA;
2283 }
2284 }
2285
2286done_free_mem:
2287
2288 CLEAR_MGMT_STATUS(ioc->ioctl_cmds.status)
2289 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 0);
2290
2291 /* Free the allocated memory.
2292 */
2293 if (bufOut.kptr != NULL) {
2294 pci_free_consistent(ioc->pcidev,
2295 bufOut.len, (void *) bufOut.kptr, dma_addr_out);
2296 }
2297
2298 if (bufIn.kptr != NULL) {
2299 pci_free_consistent(ioc->pcidev,
2300 bufIn.len, (void *) bufIn.kptr, dma_addr_in);
2301 }
2302
2303 /* mf is null if command issued successfully
2304 * otherwise, failure occurred after mf acquired.
2305 */
2306 if (mf)
2307 mpt_free_msg_frame(ioc, mf);
2308
2309 return rc;
2310}
2311
2312/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2313/* Prototype Routine for the HOST INFO command.
2314 *
2315 * Outputs: None.
2316 * Return: 0 if successful
2317 * -EFAULT if data unavailable
2318 * -EBUSY if previous command timeout and IOC reset is not complete.
2319 * -ENODEV if no such device/adapter
2320 * -ETIME if timer expires
2321 * -ENOMEM if memory allocation error
2322 */
2323static int
2324mptctl_hp_hostinfo(MPT_ADAPTER *ioc, unsigned long arg, unsigned int data_size)
2325{
2326 hp_host_info_t __user *uarg = (void __user *) arg;
2327 struct pci_dev *pdev;
2328 char *pbuf=NULL;
2329 dma_addr_t buf_dma;
2330 hp_host_info_t karg;
2331 CONFIGPARMS cfg;
2332 ConfigPageHeader_t hdr;
2333 int rc, cim_rev;
2334 ToolboxIstwiReadWriteRequest_t *IstwiRWRequest;
2335 MPT_FRAME_HDR *mf = NULL;
2336 unsigned long timeleft;
2337 int retval;
2338 u32 msgcontext;
2339
2340 /* Reset long to int. Should affect IA64 and SPARC only
2341 */
2342 if (data_size == sizeof(hp_host_info_t))
2343 cim_rev = 1;
2344 else if (data_size == sizeof(hp_host_info_rev0_t))
2345 cim_rev = 0; /* obsolete */
2346 else
2347 return -EFAULT;
2348
2349 if (copy_from_user(&karg, uarg, sizeof(hp_host_info_t))) {
2350 printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_host_info - "
2351 "Unable to read in hp_host_info struct @ %p\n",
2352 __FILE__, __LINE__, uarg);
2353 return -EFAULT;
2354 }
2355
2356 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": mptctl_hp_hostinfo called.\n",
2357 ioc->name));
2358
2359 /* Fill in the data and return the structure to the calling
2360 * program
2361 */
2362 pdev = (struct pci_dev *) ioc->pcidev;
2363
2364 karg.vendor = pdev->vendor;
2365 karg.device = pdev->device;
2366 karg.subsystem_id = pdev->subsystem_device;
2367 karg.subsystem_vendor = pdev->subsystem_vendor;
2368 karg.devfn = pdev->devfn;
2369 karg.bus = pdev->bus->number;
2370
2371 /* Save the SCSI host no. if
2372 * SCSI driver loaded
2373 */
2374 if (ioc->sh != NULL)
2375 karg.host_no = ioc->sh->host_no;
2376 else
2377 karg.host_no = -1;
2378
2379 /* Reformat the fw_version into a string */
2380 snprintf(karg.fw_version, sizeof(karg.fw_version),
2381 "%.2hhu.%.2hhu.%.2hhu.%.2hhu",
2382 ioc->facts.FWVersion.Struct.Major,
2383 ioc->facts.FWVersion.Struct.Minor,
2384 ioc->facts.FWVersion.Struct.Unit,
2385 ioc->facts.FWVersion.Struct.Dev);
2386
2387 /* Issue a config request to get the device serial number
2388 */
2389 hdr.PageVersion = 0;
2390 hdr.PageLength = 0;
2391 hdr.PageNumber = 0;
2392 hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING;
2393 cfg.cfghdr.hdr = &hdr;
2394 cfg.physAddr = -1;
2395 cfg.pageAddr = 0;
2396 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2397 cfg.dir = 0; /* read */
2398 cfg.timeout = 10;
2399
2400 strncpy(karg.serial_number, " ", 24);
2401 if (mpt_config(ioc, &cfg) == 0) {
2402 if (cfg.cfghdr.hdr->PageLength > 0) {
2403 /* Issue the second config page request */
2404 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2405
2406 pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma);
2407 if (pbuf) {
2408 cfg.physAddr = buf_dma;
2409 if (mpt_config(ioc, &cfg) == 0) {
2410 ManufacturingPage0_t *pdata = (ManufacturingPage0_t *) pbuf;
2411 if (strlen(pdata->BoardTracerNumber) > 1) {
2412 strlcpy(karg.serial_number,
2413 pdata->BoardTracerNumber, 24);
2414 }
2415 }
2416 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma);
2417 pbuf = NULL;
2418 }
2419 }
2420 }
2421 rc = mpt_GetIocState(ioc, 1);
2422 switch (rc) {
2423 case MPI_IOC_STATE_OPERATIONAL:
2424 karg.ioc_status = HP_STATUS_OK;
2425 break;
2426
2427 case MPI_IOC_STATE_FAULT:
2428 karg.ioc_status = HP_STATUS_FAILED;
2429 break;
2430
2431 case MPI_IOC_STATE_RESET:
2432 case MPI_IOC_STATE_READY:
2433 default:
2434 karg.ioc_status = HP_STATUS_OTHER;
2435 break;
2436 }
2437
2438 karg.base_io_addr = pci_resource_start(pdev, 0);
2439
2440 if ((ioc->bus_type == SAS) || (ioc->bus_type == FC))
2441 karg.bus_phys_width = HP_BUS_WIDTH_UNK;
2442 else
2443 karg.bus_phys_width = HP_BUS_WIDTH_16;
2444
2445 karg.hard_resets = 0;
2446 karg.soft_resets = 0;
2447 karg.timeouts = 0;
2448 if (ioc->sh != NULL) {
2449 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
2450
2451 if (hd && (cim_rev == 1)) {
2452 karg.hard_resets = ioc->hard_resets;
2453 karg.soft_resets = ioc->soft_resets;
2454 karg.timeouts = ioc->timeouts;
2455 }
2456 }
2457
2458 /*
2459 * Gather ISTWI(Industry Standard Two Wire Interface) Data
2460 */
2461 if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) {
2462 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
2463 "%s, no msg frames!!\n", ioc->name, __func__));
2464 goto out;
2465 }
2466
2467 IstwiRWRequest = (ToolboxIstwiReadWriteRequest_t *)mf;
2468 msgcontext = IstwiRWRequest->MsgContext;
2469 memset(IstwiRWRequest,0,sizeof(ToolboxIstwiReadWriteRequest_t));
2470 IstwiRWRequest->MsgContext = msgcontext;
2471 IstwiRWRequest->Function = MPI_FUNCTION_TOOLBOX;
2472 IstwiRWRequest->Tool = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL;
2473 IstwiRWRequest->Flags = MPI_TB_ISTWI_FLAGS_READ;
2474 IstwiRWRequest->NumAddressBytes = 0x01;
2475 IstwiRWRequest->DataLength = cpu_to_le16(0x04);
2476 if (pdev->devfn & 1)
2477 IstwiRWRequest->DeviceAddr = 0xB2;
2478 else
2479 IstwiRWRequest->DeviceAddr = 0xB0;
2480
2481 pbuf = pci_alloc_consistent(ioc->pcidev, 4, &buf_dma);
2482 if (!pbuf)
2483 goto out;
2484 ioc->add_sge((char *)&IstwiRWRequest->SGL,
2485 (MPT_SGE_FLAGS_SSIMPLE_READ|4), buf_dma);
2486
2487 retval = 0;
2488 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context,
2489 IstwiRWRequest->MsgContext);
2490 INITIALIZE_MGMT_STATUS(ioc->ioctl_cmds.status)
2491 mpt_put_msg_frame(mptctl_id, ioc, mf);
2492
2493retry_wait:
2494 timeleft = wait_for_completion_timeout(&ioc->ioctl_cmds.done,
2495 HZ*MPT_IOCTL_DEFAULT_TIMEOUT);
2496 if (!(ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2497 retval = -ETIME;
2498 printk(MYIOC_s_WARN_FMT "%s: failed\n", ioc->name, __func__);
2499 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
2500 mpt_free_msg_frame(ioc, mf);
2501 goto out;
2502 }
2503 if (!timeleft) {
2504 printk(MYIOC_s_WARN_FMT
2505 "HOST INFO command timeout, doorbell=0x%08x\n",
2506 ioc->name, mpt_GetIocState(ioc, 0));
2507 mptctl_timeout_expired(ioc, mf);
2508 } else
2509 goto retry_wait;
2510 goto out;
2511 }
2512
2513 /*
2514 *ISTWI Data Definition
2515 * pbuf[0] = FW_VERSION = 0x4
2516 * pbuf[1] = Bay Count = 6 or 4 or 2, depending on
2517 * the config, you should be seeing one out of these three values
2518 * pbuf[2] = Drive Installed Map = bit pattern depend on which
2519 * bays have drives in them
2520 * pbuf[3] = Checksum (0x100 = (byte0 + byte2 + byte3)
2521 */
2522 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID)
2523 karg.rsvd = *(u32 *)pbuf;
2524
2525 out:
2526 CLEAR_MGMT_STATUS(ioc->ioctl_cmds.status)
2527 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 0);
2528
2529 if (pbuf)
2530 pci_free_consistent(ioc->pcidev, 4, pbuf, buf_dma);
2531
2532 /* Copy the data from kernel memory to user memory
2533 */
2534 if (copy_to_user((char __user *)arg, &karg, sizeof(hp_host_info_t))) {
2535 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hpgethostinfo - "
2536 "Unable to write out hp_host_info @ %p\n",
2537 ioc->name, __FILE__, __LINE__, uarg);
2538 return -EFAULT;
2539 }
2540
2541 return 0;
2542
2543}
2544
2545/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2546/* Prototype Routine for the TARGET INFO command.
2547 *
2548 * Outputs: None.
2549 * Return: 0 if successful
2550 * -EFAULT if data unavailable
2551 * -EBUSY if previous command timeout and IOC reset is not complete.
2552 * -ENODEV if no such device/adapter
2553 * -ETIME if timer expires
2554 * -ENOMEM if memory allocation error
2555 */
2556static int
2557mptctl_hp_targetinfo(MPT_ADAPTER *ioc, unsigned long arg)
2558{
2559 hp_target_info_t __user *uarg = (void __user *) arg;
2560 SCSIDevicePage0_t *pg0_alloc;
2561 SCSIDevicePage3_t *pg3_alloc;
2562 MPT_SCSI_HOST *hd = NULL;
2563 hp_target_info_t karg;
2564 int data_sz;
2565 dma_addr_t page_dma;
2566 CONFIGPARMS cfg;
2567 ConfigPageHeader_t hdr;
2568 int tmp, np, rc = 0;
2569
2570 if (copy_from_user(&karg, uarg, sizeof(hp_target_info_t))) {
2571 printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_targetinfo - "
2572 "Unable to read in hp_host_targetinfo struct @ %p\n",
2573 __FILE__, __LINE__, uarg);
2574 return -EFAULT;
2575 }
2576
2577 if (karg.hdr.id >= MPT_MAX_FC_DEVICES)
2578 return -EINVAL;
2579 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_hp_targetinfo called.\n",
2580 ioc->name));
2581
2582 /* There is nothing to do for FCP parts.
2583 */
2584 if ((ioc->bus_type == SAS) || (ioc->bus_type == FC))
2585 return 0;
2586
2587 if ((ioc->spi_data.sdp0length == 0) || (ioc->sh == NULL))
2588 return 0;
2589
2590 if (ioc->sh->host_no != karg.hdr.host)
2591 return -ENODEV;
2592
2593 /* Get the data transfer speeds
2594 */
2595 data_sz = ioc->spi_data.sdp0length * 4;
2596 pg0_alloc = (SCSIDevicePage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma);
2597 if (pg0_alloc) {
2598 hdr.PageVersion = ioc->spi_data.sdp0version;
2599 hdr.PageLength = data_sz;
2600 hdr.PageNumber = 0;
2601 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
2602
2603 cfg.cfghdr.hdr = &hdr;
2604 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2605 cfg.dir = 0;
2606 cfg.timeout = 0;
2607 cfg.physAddr = page_dma;
2608
2609 cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id;
2610
2611 if ((rc = mpt_config(ioc, &cfg)) == 0) {
2612 np = le32_to_cpu(pg0_alloc->NegotiatedParameters);
2613 karg.negotiated_width = np & MPI_SCSIDEVPAGE0_NP_WIDE ?
2614 HP_BUS_WIDTH_16 : HP_BUS_WIDTH_8;
2615
2616 if (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) {
2617 tmp = (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> 8;
2618 if (tmp < 0x09)
2619 karg.negotiated_speed = HP_DEV_SPEED_ULTRA320;
2620 else if (tmp <= 0x09)
2621 karg.negotiated_speed = HP_DEV_SPEED_ULTRA160;
2622 else if (tmp <= 0x0A)
2623 karg.negotiated_speed = HP_DEV_SPEED_ULTRA2;
2624 else if (tmp <= 0x0C)
2625 karg.negotiated_speed = HP_DEV_SPEED_ULTRA;
2626 else if (tmp <= 0x25)
2627 karg.negotiated_speed = HP_DEV_SPEED_FAST;
2628 else
2629 karg.negotiated_speed = HP_DEV_SPEED_ASYNC;
2630 } else
2631 karg.negotiated_speed = HP_DEV_SPEED_ASYNC;
2632 }
2633
2634 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg0_alloc, page_dma);
2635 }
2636
2637 /* Set defaults
2638 */
2639 karg.message_rejects = -1;
2640 karg.phase_errors = -1;
2641 karg.parity_errors = -1;
2642 karg.select_timeouts = -1;
2643
2644 /* Get the target error parameters
2645 */
2646 hdr.PageVersion = 0;
2647 hdr.PageLength = 0;
2648 hdr.PageNumber = 3;
2649 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
2650
2651 cfg.cfghdr.hdr = &hdr;
2652 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2653 cfg.dir = 0;
2654 cfg.timeout = 0;
2655 cfg.physAddr = -1;
2656 if ((mpt_config(ioc, &cfg) == 0) && (cfg.cfghdr.hdr->PageLength > 0)) {
2657 /* Issue the second config page request */
2658 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2659 data_sz = (int) cfg.cfghdr.hdr->PageLength * 4;
2660 pg3_alloc = (SCSIDevicePage3_t *) pci_alloc_consistent(
2661 ioc->pcidev, data_sz, &page_dma);
2662 if (pg3_alloc) {
2663 cfg.physAddr = page_dma;
2664 cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id;
2665 if ((rc = mpt_config(ioc, &cfg)) == 0) {
2666 karg.message_rejects = (u32) le16_to_cpu(pg3_alloc->MsgRejectCount);
2667 karg.phase_errors = (u32) le16_to_cpu(pg3_alloc->PhaseErrorCount);
2668 karg.parity_errors = (u32) le16_to_cpu(pg3_alloc->ParityErrorCount);
2669 }
2670 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg3_alloc, page_dma);
2671 }
2672 }
2673 hd = shost_priv(ioc->sh);
2674 if (hd != NULL)
2675 karg.select_timeouts = hd->sel_timeout[karg.hdr.id];
2676
2677 /* Copy the data from kernel memory to user memory
2678 */
2679 if (copy_to_user((char __user *)arg, &karg, sizeof(hp_target_info_t))) {
2680 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hp_target_info - "
2681 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
2682 ioc->name, __FILE__, __LINE__, uarg);
2683 return -EFAULT;
2684 }
2685
2686 return 0;
2687}
2688
2689/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2690
2691static const struct file_operations mptctl_fops = {
2692 .owner = THIS_MODULE,
2693 .llseek = no_llseek,
2694 .fasync = mptctl_fasync,
2695 .unlocked_ioctl = mptctl_ioctl,
2696#ifdef CONFIG_COMPAT
2697 .compat_ioctl = compat_mpctl_ioctl,
2698#endif
2699};
2700
2701static struct miscdevice mptctl_miscdev = {
2702 MPT_MINOR,
2703 MYNAM,
2704 &mptctl_fops
2705};
2706
2707/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2708
2709#ifdef CONFIG_COMPAT
2710
2711static int
2712compat_mptfwxfer_ioctl(struct file *filp, unsigned int cmd,
2713 unsigned long arg)
2714{
2715 struct mpt_fw_xfer32 kfw32;
2716 struct mpt_fw_xfer kfw;
2717 MPT_ADAPTER *iocp = NULL;
2718 int iocnum, iocnumX;
2719 int nonblock = (filp->f_flags & O_NONBLOCK);
2720 int ret;
2721
2722
2723 if (copy_from_user(&kfw32, (char __user *)arg, sizeof(kfw32)))
2724 return -EFAULT;
2725
2726 /* Verify intended MPT adapter */
2727 iocnumX = kfw32.iocnum & 0xFF;
2728 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
2729 (iocp == NULL)) {
2730 printk(KERN_DEBUG MYNAM "::compat_mptfwxfer_ioctl @%d - ioc%d not found!\n",
2731 __LINE__, iocnumX);
2732 return -ENODEV;
2733 }
2734
2735 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
2736 return ret;
2737
2738 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mptfwxfer_ioctl() called\n",
2739 iocp->name));
2740 kfw.iocnum = iocnum;
2741 kfw.fwlen = kfw32.fwlen;
2742 kfw.bufp = compat_ptr(kfw32.bufp);
2743
2744 ret = mptctl_do_fw_download(iocp, kfw.bufp, kfw.fwlen);
2745
2746 mutex_unlock(&iocp->ioctl_cmds.mutex);
2747
2748 return ret;
2749}
2750
2751static int
2752compat_mpt_command(struct file *filp, unsigned int cmd,
2753 unsigned long arg)
2754{
2755 struct mpt_ioctl_command32 karg32;
2756 struct mpt_ioctl_command32 __user *uarg = (struct mpt_ioctl_command32 __user *) arg;
2757 struct mpt_ioctl_command karg;
2758 MPT_ADAPTER *iocp = NULL;
2759 int iocnum, iocnumX;
2760 int nonblock = (filp->f_flags & O_NONBLOCK);
2761 int ret;
2762
2763 if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32)))
2764 return -EFAULT;
2765
2766 /* Verify intended MPT adapter */
2767 iocnumX = karg32.hdr.iocnum & 0xFF;
2768 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
2769 (iocp == NULL)) {
2770 printk(KERN_DEBUG MYNAM "::compat_mpt_command @%d - ioc%d not found!\n",
2771 __LINE__, iocnumX);
2772 return -ENODEV;
2773 }
2774
2775 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
2776 return ret;
2777
2778 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mpt_command() called\n",
2779 iocp->name));
2780 /* Copy data to karg */
2781 karg.hdr.iocnum = karg32.hdr.iocnum;
2782 karg.hdr.port = karg32.hdr.port;
2783 karg.timeout = karg32.timeout;
2784 karg.maxReplyBytes = karg32.maxReplyBytes;
2785
2786 karg.dataInSize = karg32.dataInSize;
2787 karg.dataOutSize = karg32.dataOutSize;
2788 karg.maxSenseBytes = karg32.maxSenseBytes;
2789 karg.dataSgeOffset = karg32.dataSgeOffset;
2790
2791 karg.replyFrameBufPtr = (char __user *)(unsigned long)karg32.replyFrameBufPtr;
2792 karg.dataInBufPtr = (char __user *)(unsigned long)karg32.dataInBufPtr;
2793 karg.dataOutBufPtr = (char __user *)(unsigned long)karg32.dataOutBufPtr;
2794 karg.senseDataPtr = (char __user *)(unsigned long)karg32.senseDataPtr;
2795
2796 /* Pass new structure to do_mpt_command
2797 */
2798 ret = mptctl_do_mpt_command (iocp, karg, &uarg->MF);
2799
2800 mutex_unlock(&iocp->ioctl_cmds.mutex);
2801
2802 return ret;
2803}
2804
2805static long compat_mpctl_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
2806{
2807 long ret;
2808 mutex_lock(&mpctl_mutex);
2809 switch (cmd) {
2810 case MPTIOCINFO:
2811 case MPTIOCINFO1:
2812 case MPTIOCINFO2:
2813 case MPTTARGETINFO:
2814 case MPTEVENTQUERY:
2815 case MPTEVENTENABLE:
2816 case MPTEVENTREPORT:
2817 case MPTHARDRESET:
2818 case HP_GETHOSTINFO:
2819 case HP_GETTARGETINFO:
2820 case MPTTEST:
2821 ret = __mptctl_ioctl(f, cmd, arg);
2822 break;
2823 case MPTCOMMAND32:
2824 ret = compat_mpt_command(f, cmd, arg);
2825 break;
2826 case MPTFWDOWNLOAD32:
2827 ret = compat_mptfwxfer_ioctl(f, cmd, arg);
2828 break;
2829 default:
2830 ret = -ENOIOCTLCMD;
2831 break;
2832 }
2833 mutex_unlock(&mpctl_mutex);
2834 return ret;
2835}
2836
2837#endif
2838
2839
2840/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2841/*
2842 * mptctl_probe - Installs ioctl devices per bus.
2843 * @pdev: Pointer to pci_dev structure
2844 *
2845 * Returns 0 for success, non-zero for failure.
2846 *
2847 */
2848
2849static int
2850mptctl_probe(struct pci_dev *pdev, const struct pci_device_id *id)
2851{
2852 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2853
2854 mutex_init(&ioc->ioctl_cmds.mutex);
2855 init_completion(&ioc->ioctl_cmds.done);
2856 return 0;
2857}
2858
2859/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2860/*
2861 * mptctl_remove - Removed ioctl devices
2862 * @pdev: Pointer to pci_dev structure
2863 *
2864 *
2865 */
2866static void
2867mptctl_remove(struct pci_dev *pdev)
2868{
2869}
2870
2871static struct mpt_pci_driver mptctl_driver = {
2872 .probe = mptctl_probe,
2873 .remove = mptctl_remove,
2874};
2875
2876/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2877static int __init mptctl_init(void)
2878{
2879 int err;
2880 int where = 1;
2881
2882 show_mptmod_ver(my_NAME, my_VERSION);
2883
2884 mpt_device_driver_register(&mptctl_driver, MPTCTL_DRIVER);
2885
2886 /* Register this device */
2887 err = misc_register(&mptctl_miscdev);
2888 if (err < 0) {
2889 printk(KERN_ERR MYNAM ": Can't register misc device [minor=%d].\n", MPT_MINOR);
2890 goto out_fail;
2891 }
2892 printk(KERN_INFO MYNAM ": Registered with Fusion MPT base driver\n");
2893 printk(KERN_INFO MYNAM ": /dev/%s @ (major,minor=%d,%d)\n",
2894 mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor);
2895
2896 /*
2897 * Install our handler
2898 */
2899 ++where;
2900 mptctl_id = mpt_register(mptctl_reply, MPTCTL_DRIVER,
2901 "mptctl_reply");
2902 if (!mptctl_id || mptctl_id >= MPT_MAX_PROTOCOL_DRIVERS) {
2903 printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n");
2904 misc_deregister(&mptctl_miscdev);
2905 err = -EBUSY;
2906 goto out_fail;
2907 }
2908
2909 mptctl_taskmgmt_id = mpt_register(mptctl_taskmgmt_reply, MPTCTL_DRIVER,
2910 "mptctl_taskmgmt_reply");
2911 if (!mptctl_taskmgmt_id || mptctl_taskmgmt_id >= MPT_MAX_PROTOCOL_DRIVERS) {
2912 printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n");
2913 mpt_deregister(mptctl_id);
2914 misc_deregister(&mptctl_miscdev);
2915 err = -EBUSY;
2916 goto out_fail;
2917 }
2918
2919 mpt_reset_register(mptctl_id, mptctl_ioc_reset);
2920 mpt_event_register(mptctl_id, mptctl_event_process);
2921
2922 return 0;
2923
2924out_fail:
2925
2926 mpt_device_driver_deregister(MPTCTL_DRIVER);
2927
2928 return err;
2929}
2930
2931/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2932static void mptctl_exit(void)
2933{
2934 misc_deregister(&mptctl_miscdev);
2935 printk(KERN_INFO MYNAM ": Deregistered /dev/%s @ (major,minor=%d,%d)\n",
2936 mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor);
2937
2938 /* De-register event handler from base module */
2939 mpt_event_deregister(mptctl_id);
2940
2941 /* De-register reset handler from base module */
2942 mpt_reset_deregister(mptctl_id);
2943
2944 /* De-register callback handler from base module */
2945 mpt_deregister(mptctl_taskmgmt_id);
2946 mpt_deregister(mptctl_id);
2947
2948 mpt_device_driver_deregister(MPTCTL_DRIVER);
2949
2950}
2951
2952/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2953
2954module_init(mptctl_init);
2955module_exit(mptctl_exit);
1/*
2 * linux/drivers/message/fusion/mptctl.c
3 * mpt Ioctl driver.
4 * For use with LSI PCI chip/adapters
5 * running LSI Fusion MPT (Message Passing Technology) firmware.
6 *
7 * Copyright (c) 1999-2008 LSI Corporation
8 * (mailto:DL-MPTFusionLinux@lsi.com)
9 *
10 */
11/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
12/*
13 This program is free software; you can redistribute it and/or modify
14 it under the terms of the GNU General Public License as published by
15 the Free Software Foundation; version 2 of the License.
16
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
21
22 NO WARRANTY
23 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
24 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
25 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
26 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
27 solely responsible for determining the appropriateness of using and
28 distributing the Program and assumes all risks associated with its
29 exercise of rights under this Agreement, including but not limited to
30 the risks and costs of program errors, damage to or loss of data,
31 programs or equipment, and unavailability or interruption of operations.
32
33 DISCLAIMER OF LIABILITY
34 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
35 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
37 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
38 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
39 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
40 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
41
42 You should have received a copy of the GNU General Public License
43 along with this program; if not, write to the Free Software
44 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
45*/
46/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
47
48#include <linux/kernel.h>
49#include <linux/module.h>
50#include <linux/errno.h>
51#include <linux/init.h>
52#include <linux/slab.h>
53#include <linux/types.h>
54#include <linux/pci.h>
55#include <linux/delay.h> /* for mdelay */
56#include <linux/miscdevice.h>
57#include <linux/mutex.h>
58#include <linux/compat.h>
59
60#include <asm/io.h>
61#include <linux/uaccess.h>
62
63#include <scsi/scsi.h>
64#include <scsi/scsi_cmnd.h>
65#include <scsi/scsi_device.h>
66#include <scsi/scsi_host.h>
67#include <scsi/scsi_tcq.h>
68
69#define COPYRIGHT "Copyright (c) 1999-2008 LSI Corporation"
70#define MODULEAUTHOR "LSI Corporation"
71#include "mptbase.h"
72#include "mptctl.h"
73
74/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
75#define my_NAME "Fusion MPT misc device (ioctl) driver"
76#define my_VERSION MPT_LINUX_VERSION_COMMON
77#define MYNAM "mptctl"
78
79MODULE_AUTHOR(MODULEAUTHOR);
80MODULE_DESCRIPTION(my_NAME);
81MODULE_LICENSE("GPL");
82MODULE_VERSION(my_VERSION);
83
84/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
85
86static DEFINE_MUTEX(mpctl_mutex);
87static u8 mptctl_id = MPT_MAX_PROTOCOL_DRIVERS;
88static u8 mptctl_taskmgmt_id = MPT_MAX_PROTOCOL_DRIVERS;
89
90static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait );
91
92/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
93
94struct buflist {
95 u8 *kptr;
96 int len;
97};
98
99/*
100 * Function prototypes. Called from OS entry point mptctl_ioctl.
101 * arg contents specific to function.
102 */
103static int mptctl_fw_download(MPT_ADAPTER *iocp, unsigned long arg);
104static int mptctl_getiocinfo(MPT_ADAPTER *iocp, unsigned long arg, unsigned int cmd);
105static int mptctl_gettargetinfo(MPT_ADAPTER *iocp, unsigned long arg);
106static int mptctl_readtest(MPT_ADAPTER *iocp, unsigned long arg);
107static int mptctl_mpt_command(MPT_ADAPTER *iocp, unsigned long arg);
108static int mptctl_eventquery(MPT_ADAPTER *iocp, unsigned long arg);
109static int mptctl_eventenable(MPT_ADAPTER *iocp, unsigned long arg);
110static int mptctl_eventreport(MPT_ADAPTER *iocp, unsigned long arg);
111static int mptctl_replace_fw(MPT_ADAPTER *iocp, unsigned long arg);
112
113static int mptctl_do_reset(MPT_ADAPTER *iocp, unsigned long arg);
114static int mptctl_hp_hostinfo(MPT_ADAPTER *iocp, unsigned long arg, unsigned int cmd);
115static int mptctl_hp_targetinfo(MPT_ADAPTER *iocp, unsigned long arg);
116
117static int mptctl_probe(struct pci_dev *, const struct pci_device_id *);
118static void mptctl_remove(struct pci_dev *);
119
120#ifdef CONFIG_COMPAT
121static long compat_mpctl_ioctl(struct file *f, unsigned cmd, unsigned long arg);
122#endif
123/*
124 * Private function calls.
125 */
126static int mptctl_do_mpt_command(MPT_ADAPTER *iocp, struct mpt_ioctl_command karg, void __user *mfPtr);
127static int mptctl_do_fw_download(MPT_ADAPTER *iocp, char __user *ufwbuf, size_t fwlen);
128static MptSge_t *kbuf_alloc_2_sgl(int bytes, u32 dir, int sge_offset, int *frags,
129 struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc);
130static void kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma,
131 struct buflist *buflist, MPT_ADAPTER *ioc);
132
133/*
134 * Reset Handler cleanup function
135 */
136static int mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase);
137
138/*
139 * Event Handler function
140 */
141static int mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
142static struct fasync_struct *async_queue=NULL;
143
144/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
145/*
146 * Scatter gather list (SGL) sizes and limits...
147 */
148//#define MAX_SCSI_FRAGS 9
149#define MAX_FRAGS_SPILL1 9
150#define MAX_FRAGS_SPILL2 15
151#define FRAGS_PER_BUCKET (MAX_FRAGS_SPILL2 + 1)
152
153//#define MAX_CHAIN_FRAGS 64
154//#define MAX_CHAIN_FRAGS (15+15+15+16)
155#define MAX_CHAIN_FRAGS (4 * MAX_FRAGS_SPILL2 + 1)
156
157// Define max sg LIST bytes ( == (#frags + #chains) * 8 bytes each)
158// Works out to: 592d bytes! (9+1)*8 + 4*(15+1)*8
159// ^----------------- 80 + 512
160#define MAX_SGL_BYTES ((MAX_FRAGS_SPILL1 + 1 + (4 * FRAGS_PER_BUCKET)) * 8)
161
162/* linux only seems to ever give 128kB MAX contiguous (GFP_USER) mem bytes */
163#define MAX_KMALLOC_SZ (128*1024)
164
165#define MPT_IOCTL_DEFAULT_TIMEOUT 10 /* Default timeout value (seconds) */
166
167/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
168/**
169 * mptctl_syscall_down - Down the MPT adapter syscall semaphore.
170 * @ioc: Pointer to MPT adapter
171 * @nonblock: boolean, non-zero if O_NONBLOCK is set
172 *
173 * All of the ioctl commands can potentially sleep, which is illegal
174 * with a spinlock held, thus we perform mutual exclusion here.
175 *
176 * Returns negative errno on error, or zero for success.
177 */
178static inline int
179mptctl_syscall_down(MPT_ADAPTER *ioc, int nonblock)
180{
181 int rc = 0;
182
183 if (nonblock) {
184 if (!mutex_trylock(&ioc->ioctl_cmds.mutex))
185 rc = -EAGAIN;
186 } else {
187 if (mutex_lock_interruptible(&ioc->ioctl_cmds.mutex))
188 rc = -ERESTARTSYS;
189 }
190 return rc;
191}
192
193/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
194/*
195 * This is the callback for any message we have posted. The message itself
196 * will be returned to the message pool when we return from the IRQ
197 *
198 * This runs in irq context so be short and sweet.
199 */
200static int
201mptctl_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply)
202{
203 char *sense_data;
204 int req_index;
205 int sz;
206
207 if (!req)
208 return 0;
209
210 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "completing mpi function "
211 "(0x%02X), req=%p, reply=%p\n", ioc->name, req->u.hdr.Function,
212 req, reply));
213
214 /*
215 * Handling continuation of the same reply. Processing the first
216 * reply, and eating the other replys that come later.
217 */
218 if (ioc->ioctl_cmds.msg_context != req->u.hdr.MsgContext)
219 goto out_continuation;
220
221 ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
222
223 if (!reply)
224 goto out;
225
226 ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
227 sz = min(ioc->reply_sz, 4*reply->u.reply.MsgLength);
228 memcpy(ioc->ioctl_cmds.reply, reply, sz);
229
230 if (reply->u.reply.IOCStatus || reply->u.reply.IOCLogInfo)
231 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
232 "iocstatus (0x%04X), loginfo (0x%08X)\n", ioc->name,
233 le16_to_cpu(reply->u.reply.IOCStatus),
234 le32_to_cpu(reply->u.reply.IOCLogInfo)));
235
236 if ((req->u.hdr.Function == MPI_FUNCTION_SCSI_IO_REQUEST) ||
237 (req->u.hdr.Function ==
238 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) {
239
240 if (reply->u.sreply.SCSIStatus || reply->u.sreply.SCSIState)
241 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
242 "scsi_status (0x%02x), scsi_state (0x%02x), "
243 "tag = (0x%04x), transfer_count (0x%08x)\n", ioc->name,
244 reply->u.sreply.SCSIStatus,
245 reply->u.sreply.SCSIState,
246 le16_to_cpu(reply->u.sreply.TaskTag),
247 le32_to_cpu(reply->u.sreply.TransferCount)));
248
249 if (reply->u.sreply.SCSIState &
250 MPI_SCSI_STATE_AUTOSENSE_VALID) {
251 sz = req->u.scsireq.SenseBufferLength;
252 req_index =
253 le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
254 sense_data = ((u8 *)ioc->sense_buf_pool +
255 (req_index * MPT_SENSE_BUFFER_ALLOC));
256 memcpy(ioc->ioctl_cmds.sense, sense_data, sz);
257 ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_SENSE_VALID;
258 }
259 }
260
261 out:
262 /* We are done, issue wake up
263 */
264 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_PENDING) {
265 if (req->u.hdr.Function == MPI_FUNCTION_SCSI_TASK_MGMT) {
266 mpt_clear_taskmgmt_in_progress_flag(ioc);
267 ioc->ioctl_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
268 complete(&ioc->ioctl_cmds.done);
269 if (ioc->bus_type == SAS)
270 ioc->schedule_target_reset(ioc);
271 } else {
272 ioc->ioctl_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
273 complete(&ioc->ioctl_cmds.done);
274 }
275 }
276
277 out_continuation:
278 if (reply && (reply->u.reply.MsgFlags &
279 MPI_MSGFLAGS_CONTINUATION_REPLY))
280 return 0;
281 return 1;
282}
283
284
285static int
286mptctl_taskmgmt_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
287{
288 if (!mf)
289 return 0;
290
291 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
292 "TaskMgmt completed (mf=%p, mr=%p)\n",
293 ioc->name, mf, mr));
294
295 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
296
297 if (!mr)
298 goto out;
299
300 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
301 memcpy(ioc->taskmgmt_cmds.reply, mr,
302 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
303 out:
304 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
305 mpt_clear_taskmgmt_in_progress_flag(ioc);
306 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
307 complete(&ioc->taskmgmt_cmds.done);
308 if (ioc->bus_type == SAS)
309 ioc->schedule_target_reset(ioc);
310 return 1;
311 }
312 return 0;
313}
314
315static int
316mptctl_do_taskmgmt(MPT_ADAPTER *ioc, u8 tm_type, u8 bus_id, u8 target_id)
317{
318 MPT_FRAME_HDR *mf;
319 SCSITaskMgmt_t *pScsiTm;
320 SCSITaskMgmtReply_t *pScsiTmReply;
321 int ii;
322 int retval;
323 unsigned long timeout;
324 u16 iocstatus;
325
326
327 mutex_lock(&ioc->taskmgmt_cmds.mutex);
328 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
329 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
330 return -EPERM;
331 }
332
333 retval = 0;
334
335 mf = mpt_get_msg_frame(mptctl_taskmgmt_id, ioc);
336 if (mf == NULL) {
337 dtmprintk(ioc,
338 printk(MYIOC_s_WARN_FMT "TaskMgmt, no msg frames!!\n",
339 ioc->name));
340 mpt_clear_taskmgmt_in_progress_flag(ioc);
341 retval = -ENOMEM;
342 goto tm_done;
343 }
344
345 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
346 ioc->name, mf));
347
348 pScsiTm = (SCSITaskMgmt_t *) mf;
349 memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t));
350 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
351 pScsiTm->TaskType = tm_type;
352 if ((tm_type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) &&
353 (ioc->bus_type == FC))
354 pScsiTm->MsgFlags =
355 MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION;
356 pScsiTm->TargetID = target_id;
357 pScsiTm->Bus = bus_id;
358 pScsiTm->ChainOffset = 0;
359 pScsiTm->Reserved = 0;
360 pScsiTm->Reserved1 = 0;
361 pScsiTm->TaskMsgContext = 0;
362 for (ii= 0; ii < 8; ii++)
363 pScsiTm->LUN[ii] = 0;
364 for (ii=0; ii < 7; ii++)
365 pScsiTm->Reserved2[ii] = 0;
366
367 switch (ioc->bus_type) {
368 case FC:
369 timeout = 40;
370 break;
371 case SAS:
372 timeout = 30;
373 break;
374 case SPI:
375 default:
376 timeout = 10;
377 break;
378 }
379
380 dtmprintk(ioc,
381 printk(MYIOC_s_DEBUG_FMT "TaskMgmt type=%d timeout=%ld\n",
382 ioc->name, tm_type, timeout));
383
384 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
385 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
386 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
387 mpt_put_msg_frame_hi_pri(mptctl_taskmgmt_id, ioc, mf);
388 else {
389 retval = mpt_send_handshake_request(mptctl_taskmgmt_id, ioc,
390 sizeof(SCSITaskMgmt_t), (u32 *)pScsiTm, CAN_SLEEP);
391 if (retval != 0) {
392 dfailprintk(ioc,
393 printk(MYIOC_s_ERR_FMT
394 "TaskMgmt send_handshake FAILED!"
395 " (ioc %p, mf %p, rc=%d) \n", ioc->name,
396 ioc, mf, retval));
397 mpt_free_msg_frame(ioc, mf);
398 mpt_clear_taskmgmt_in_progress_flag(ioc);
399 goto tm_done;
400 }
401 }
402
403 /* Now wait for the command to complete */
404 ii = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done, timeout*HZ);
405
406 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
407 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
408 "TaskMgmt failed\n", ioc->name));
409 mpt_free_msg_frame(ioc, mf);
410 mpt_clear_taskmgmt_in_progress_flag(ioc);
411 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
412 retval = 0;
413 else
414 retval = -1; /* return failure */
415 goto tm_done;
416 }
417
418 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
419 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
420 "TaskMgmt failed\n", ioc->name));
421 retval = -1; /* return failure */
422 goto tm_done;
423 }
424
425 pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply;
426 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
427 "TaskMgmt fw_channel = %d, fw_id = %d, task_type=0x%02X, "
428 "iocstatus=0x%04X\n\tloginfo=0x%08X, response_code=0x%02X, "
429 "term_cmnds=%d\n", ioc->name, pScsiTmReply->Bus,
430 pScsiTmReply->TargetID, tm_type,
431 le16_to_cpu(pScsiTmReply->IOCStatus),
432 le32_to_cpu(pScsiTmReply->IOCLogInfo),
433 pScsiTmReply->ResponseCode,
434 le32_to_cpu(pScsiTmReply->TerminationCount)));
435
436 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
437
438 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
439 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED ||
440 iocstatus == MPI_IOCSTATUS_SUCCESS)
441 retval = 0;
442 else {
443 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
444 "TaskMgmt failed\n", ioc->name));
445 retval = -1; /* return failure */
446 }
447
448 tm_done:
449 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
450 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
451 return retval;
452}
453
454/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
455/* mptctl_timeout_expired
456 *
457 * Expecting an interrupt, however timed out.
458 *
459 */
460static void
461mptctl_timeout_expired(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
462{
463 unsigned long flags;
464 int ret_val = -1;
465 SCSIIORequest_t *scsi_req = (SCSIIORequest_t *) mf;
466 u8 function = mf->u.hdr.Function;
467
468 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": %s\n",
469 ioc->name, __func__));
470
471 if (mpt_fwfault_debug)
472 mpt_halt_firmware(ioc);
473
474 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
475 if (ioc->ioc_reset_in_progress) {
476 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
477 CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status)
478 mpt_free_msg_frame(ioc, mf);
479 return;
480 }
481 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
482
483
484 CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status)
485
486 if (ioc->bus_type == SAS) {
487 if (function == MPI_FUNCTION_SCSI_IO_REQUEST)
488 ret_val = mptctl_do_taskmgmt(ioc,
489 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
490 scsi_req->Bus, scsi_req->TargetID);
491 else if (function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
492 ret_val = mptctl_do_taskmgmt(ioc,
493 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
494 scsi_req->Bus, 0);
495 if (!ret_val)
496 return;
497 } else {
498 if ((function == MPI_FUNCTION_SCSI_IO_REQUEST) ||
499 (function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH))
500 ret_val = mptctl_do_taskmgmt(ioc,
501 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
502 scsi_req->Bus, 0);
503 if (!ret_val)
504 return;
505 }
506
507 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling Reset! \n",
508 ioc->name));
509 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
510 mpt_free_msg_frame(ioc, mf);
511}
512
513
514/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
515/* mptctl_ioc_reset
516 *
517 * Clean-up functionality. Used only if there has been a
518 * reload of the FW due.
519 *
520 */
521static int
522mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
523{
524 switch(reset_phase) {
525 case MPT_IOC_SETUP_RESET:
526 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
527 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
528 break;
529 case MPT_IOC_PRE_RESET:
530 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
531 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
532 break;
533 case MPT_IOC_POST_RESET:
534 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
535 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
536 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_PENDING) {
537 ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_DID_IOCRESET;
538 complete(&ioc->ioctl_cmds.done);
539 }
540 break;
541 default:
542 break;
543 }
544
545 return 1;
546}
547
548/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
549/* ASYNC Event Notification Support */
550static int
551mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
552{
553 u8 event;
554
555 event = le32_to_cpu(pEvReply->Event) & 0xFF;
556
557 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s() called\n",
558 ioc->name, __func__));
559 if(async_queue == NULL)
560 return 1;
561
562 /* Raise SIGIO for persistent events.
563 * TODO - this define is not in MPI spec yet,
564 * but they plan to set it to 0x21
565 */
566 if (event == 0x21) {
567 ioc->aen_event_read_flag=1;
568 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Raised SIGIO to application\n",
569 ioc->name));
570 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
571 "Raised SIGIO to application\n", ioc->name));
572 kill_fasync(&async_queue, SIGIO, POLL_IN);
573 return 1;
574 }
575
576 /* This flag is set after SIGIO was raised, and
577 * remains set until the application has read
578 * the event log via ioctl=MPTEVENTREPORT
579 */
580 if(ioc->aen_event_read_flag)
581 return 1;
582
583 /* Signal only for the events that are
584 * requested for by the application
585 */
586 if (ioc->events && (ioc->eventTypes & ( 1 << event))) {
587 ioc->aen_event_read_flag=1;
588 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
589 "Raised SIGIO to application\n", ioc->name));
590 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
591 "Raised SIGIO to application\n", ioc->name));
592 kill_fasync(&async_queue, SIGIO, POLL_IN);
593 }
594 return 1;
595}
596
597static int
598mptctl_fasync(int fd, struct file *filep, int mode)
599{
600 MPT_ADAPTER *ioc;
601 int ret;
602
603 mutex_lock(&mpctl_mutex);
604 list_for_each_entry(ioc, &ioc_list, list)
605 ioc->aen_event_read_flag=0;
606
607 ret = fasync_helper(fd, filep, mode, &async_queue);
608 mutex_unlock(&mpctl_mutex);
609 return ret;
610}
611
612/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
613/*
614 * MPT ioctl handler
615 * cmd - specify the particular IOCTL command to be issued
616 * arg - data specific to the command. Must not be null.
617 */
618static long
619__mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
620{
621 mpt_ioctl_header __user *uhdr = (void __user *) arg;
622 mpt_ioctl_header khdr;
623 int iocnum;
624 unsigned iocnumX;
625 int nonblock = (file->f_flags & O_NONBLOCK);
626 int ret;
627 MPT_ADAPTER *iocp = NULL;
628
629 if (copy_from_user(&khdr, uhdr, sizeof(khdr))) {
630 printk(KERN_ERR MYNAM "%s::mptctl_ioctl() @%d - "
631 "Unable to copy mpt_ioctl_header data @ %p\n",
632 __FILE__, __LINE__, uhdr);
633 return -EFAULT;
634 }
635 ret = -ENXIO; /* (-6) No such device or address */
636
637 /* Verify intended MPT adapter - set iocnum and the adapter
638 * pointer (iocp)
639 */
640 iocnumX = khdr.iocnum & 0xFF;
641 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
642 (iocp == NULL))
643 return -ENODEV;
644
645 if (!iocp->active) {
646 printk(KERN_DEBUG MYNAM "%s::mptctl_ioctl() @%d - Controller disabled.\n",
647 __FILE__, __LINE__);
648 return -EFAULT;
649 }
650
651 /* Handle those commands that are just returning
652 * information stored in the driver.
653 * These commands should never time out and are unaffected
654 * by TM and FW reloads.
655 */
656 if ((cmd & ~IOCSIZE_MASK) == (MPTIOCINFO & ~IOCSIZE_MASK)) {
657 return mptctl_getiocinfo(iocp, arg, _IOC_SIZE(cmd));
658 } else if (cmd == MPTTARGETINFO) {
659 return mptctl_gettargetinfo(iocp, arg);
660 } else if (cmd == MPTTEST) {
661 return mptctl_readtest(iocp, arg);
662 } else if (cmd == MPTEVENTQUERY) {
663 return mptctl_eventquery(iocp, arg);
664 } else if (cmd == MPTEVENTENABLE) {
665 return mptctl_eventenable(iocp, arg);
666 } else if (cmd == MPTEVENTREPORT) {
667 return mptctl_eventreport(iocp, arg);
668 } else if (cmd == MPTFWREPLACE) {
669 return mptctl_replace_fw(iocp, arg);
670 }
671
672 /* All of these commands require an interrupt or
673 * are unknown/illegal.
674 */
675 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
676 return ret;
677
678 if (cmd == MPTFWDOWNLOAD)
679 ret = mptctl_fw_download(iocp, arg);
680 else if (cmd == MPTCOMMAND)
681 ret = mptctl_mpt_command(iocp, arg);
682 else if (cmd == MPTHARDRESET)
683 ret = mptctl_do_reset(iocp, arg);
684 else if ((cmd & ~IOCSIZE_MASK) == (HP_GETHOSTINFO & ~IOCSIZE_MASK))
685 ret = mptctl_hp_hostinfo(iocp, arg, _IOC_SIZE(cmd));
686 else if (cmd == HP_GETTARGETINFO)
687 ret = mptctl_hp_targetinfo(iocp, arg);
688 else
689 ret = -EINVAL;
690
691 mutex_unlock(&iocp->ioctl_cmds.mutex);
692
693 return ret;
694}
695
696static long
697mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
698{
699 long ret;
700 mutex_lock(&mpctl_mutex);
701 ret = __mptctl_ioctl(file, cmd, arg);
702 mutex_unlock(&mpctl_mutex);
703 return ret;
704}
705
706static int mptctl_do_reset(MPT_ADAPTER *iocp, unsigned long arg)
707{
708 struct mpt_ioctl_diag_reset __user *urinfo = (void __user *) arg;
709 struct mpt_ioctl_diag_reset krinfo;
710
711 if (copy_from_user(&krinfo, urinfo, sizeof(struct mpt_ioctl_diag_reset))) {
712 printk(KERN_ERR MYNAM "%s@%d::mptctl_do_reset - "
713 "Unable to copy mpt_ioctl_diag_reset struct @ %p\n",
714 __FILE__, __LINE__, urinfo);
715 return -EFAULT;
716 }
717
718 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "mptctl_do_reset called.\n",
719 iocp->name));
720
721 if (mpt_HardResetHandler(iocp, CAN_SLEEP) != 0) {
722 printk (MYIOC_s_ERR_FMT "%s@%d::mptctl_do_reset - reset failed.\n",
723 iocp->name, __FILE__, __LINE__);
724 return -1;
725 }
726
727 return 0;
728}
729
730/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
731/*
732 * MPT FW download function. Cast the arg into the mpt_fw_xfer structure.
733 * This structure contains: iocnum, firmware length (bytes),
734 * pointer to user space memory where the fw image is stored.
735 *
736 * Outputs: None.
737 * Return: 0 if successful
738 * -EFAULT if data unavailable
739 * -ENXIO if no such device
740 * -EAGAIN if resource problem
741 * -ENOMEM if no memory for SGE
742 * -EMLINK if too many chain buffers required
743 * -EBADRQC if adapter does not support FW download
744 * -EBUSY if adapter is busy
745 * -ENOMSG if FW upload returned bad status
746 */
747static int
748mptctl_fw_download(MPT_ADAPTER *iocp, unsigned long arg)
749{
750 struct mpt_fw_xfer __user *ufwdl = (void __user *) arg;
751 struct mpt_fw_xfer kfwdl;
752
753 if (copy_from_user(&kfwdl, ufwdl, sizeof(struct mpt_fw_xfer))) {
754 printk(KERN_ERR MYNAM "%s@%d::_ioctl_fwdl - "
755 "Unable to copy mpt_fw_xfer struct @ %p\n",
756 __FILE__, __LINE__, ufwdl);
757 return -EFAULT;
758 }
759
760 return mptctl_do_fw_download(iocp, kfwdl.bufp, kfwdl.fwlen);
761}
762
763/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
764/*
765 * FW Download engine.
766 * Outputs: None.
767 * Return: 0 if successful
768 * -EFAULT if data unavailable
769 * -ENXIO if no such device
770 * -EAGAIN if resource problem
771 * -ENOMEM if no memory for SGE
772 * -EMLINK if too many chain buffers required
773 * -EBADRQC if adapter does not support FW download
774 * -EBUSY if adapter is busy
775 * -ENOMSG if FW upload returned bad status
776 */
777static int
778mptctl_do_fw_download(MPT_ADAPTER *iocp, char __user *ufwbuf, size_t fwlen)
779{
780 FWDownload_t *dlmsg;
781 MPT_FRAME_HDR *mf;
782 FWDownloadTCSGE_t *ptsge;
783 MptSge_t *sgl, *sgIn;
784 char *sgOut;
785 struct buflist *buflist;
786 struct buflist *bl;
787 dma_addr_t sgl_dma;
788 int ret;
789 int numfrags = 0;
790 int maxfrags;
791 int n = 0;
792 u32 sgdir;
793 u32 nib;
794 int fw_bytes_copied = 0;
795 int i;
796 int sge_offset = 0;
797 u16 iocstat;
798 pFWDownloadReply_t ReplyMsg = NULL;
799 unsigned long timeleft;
800
801 /* Valid device. Get a message frame and construct the FW download message.
802 */
803 if ((mf = mpt_get_msg_frame(mptctl_id, iocp)) == NULL)
804 return -EAGAIN;
805
806 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT
807 "mptctl_do_fwdl called. mptctl_id = %xh.\n", iocp->name, mptctl_id));
808 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.bufp = %p\n",
809 iocp->name, ufwbuf));
810 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.fwlen = %d\n",
811 iocp->name, (int)fwlen));
812
813 dlmsg = (FWDownload_t*) mf;
814 ptsge = (FWDownloadTCSGE_t *) &dlmsg->SGL;
815 sgOut = (char *) (ptsge + 1);
816
817 /*
818 * Construct f/w download request
819 */
820 dlmsg->ImageType = MPI_FW_DOWNLOAD_ITYPE_FW;
821 dlmsg->Reserved = 0;
822 dlmsg->ChainOffset = 0;
823 dlmsg->Function = MPI_FUNCTION_FW_DOWNLOAD;
824 dlmsg->Reserved1[0] = dlmsg->Reserved1[1] = dlmsg->Reserved1[2] = 0;
825 if (iocp->facts.MsgVersion >= MPI_VERSION_01_05)
826 dlmsg->MsgFlags = MPI_FW_DOWNLOAD_MSGFLGS_LAST_SEGMENT;
827 else
828 dlmsg->MsgFlags = 0;
829
830
831 /* Set up the Transaction SGE.
832 */
833 ptsge->Reserved = 0;
834 ptsge->ContextSize = 0;
835 ptsge->DetailsLength = 12;
836 ptsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT;
837 ptsge->Reserved_0100_Checksum = 0;
838 ptsge->ImageOffset = 0;
839 ptsge->ImageSize = cpu_to_le32(fwlen);
840
841 /* Add the SGL
842 */
843
844 /*
845 * Need to kmalloc area(s) for holding firmware image bytes.
846 * But we need to do it piece meal, using a proper
847 * scatter gather list (with 128kB MAX hunks).
848 *
849 * A practical limit here might be # of sg hunks that fit into
850 * a single IOC request frame; 12 or 8 (see below), so:
851 * For FC9xx: 12 x 128kB == 1.5 mB (max)
852 * For C1030: 8 x 128kB == 1 mB (max)
853 * We could support chaining, but things get ugly(ier:)
854 *
855 * Set the sge_offset to the start of the sgl (bytes).
856 */
857 sgdir = 0x04000000; /* IOC will READ from sys mem */
858 sge_offset = sizeof(MPIHeader_t) + sizeof(FWDownloadTCSGE_t);
859 if ((sgl = kbuf_alloc_2_sgl(fwlen, sgdir, sge_offset,
860 &numfrags, &buflist, &sgl_dma, iocp)) == NULL)
861 return -ENOMEM;
862
863 /*
864 * We should only need SGL with 2 simple_32bit entries (up to 256 kB)
865 * for FC9xx f/w image, but calculate max number of sge hunks
866 * we can fit into a request frame, and limit ourselves to that.
867 * (currently no chain support)
868 * maxfrags = (Request Size - FWdownload Size ) / Size of 32 bit SGE
869 * Request maxfrags
870 * 128 12
871 * 96 8
872 * 64 4
873 */
874 maxfrags = (iocp->req_sz - sizeof(MPIHeader_t) -
875 sizeof(FWDownloadTCSGE_t))
876 / iocp->SGE_size;
877 if (numfrags > maxfrags) {
878 ret = -EMLINK;
879 goto fwdl_out;
880 }
881
882 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: sgl buffer = %p, sgfrags = %d\n",
883 iocp->name, sgl, numfrags));
884
885 /*
886 * Parse SG list, copying sgl itself,
887 * plus f/w image hunks from user space as we go...
888 */
889 ret = -EFAULT;
890 sgIn = sgl;
891 bl = buflist;
892 for (i=0; i < numfrags; i++) {
893
894 /* Get the SGE type: 0 - TCSGE, 3 - Chain, 1 - Simple SGE
895 * Skip everything but Simple. If simple, copy from
896 * user space into kernel space.
897 * Note: we should not have anything but Simple as
898 * Chain SGE are illegal.
899 */
900 nib = (sgIn->FlagsLength & 0x30000000) >> 28;
901 if (nib == 0 || nib == 3) {
902 ;
903 } else if (sgIn->Address) {
904 iocp->add_sge(sgOut, sgIn->FlagsLength, sgIn->Address);
905 n++;
906 if (copy_from_user(bl->kptr, ufwbuf+fw_bytes_copied, bl->len)) {
907 printk(MYIOC_s_ERR_FMT "%s@%d::_ioctl_fwdl - "
908 "Unable to copy f/w buffer hunk#%d @ %p\n",
909 iocp->name, __FILE__, __LINE__, n, ufwbuf);
910 goto fwdl_out;
911 }
912 fw_bytes_copied += bl->len;
913 }
914 sgIn++;
915 bl++;
916 sgOut += iocp->SGE_size;
917 }
918
919 DBG_DUMP_FW_DOWNLOAD(iocp, (u32 *)mf, numfrags);
920
921 /*
922 * Finally, perform firmware download.
923 */
924 ReplyMsg = NULL;
925 SET_MGMT_MSG_CONTEXT(iocp->ioctl_cmds.msg_context, dlmsg->MsgContext);
926 INITIALIZE_MGMT_STATUS(iocp->ioctl_cmds.status)
927 mpt_put_msg_frame(mptctl_id, iocp, mf);
928
929 /* Now wait for the command to complete */
930retry_wait:
931 timeleft = wait_for_completion_timeout(&iocp->ioctl_cmds.done, HZ*60);
932 if (!(iocp->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
933 ret = -ETIME;
934 printk(MYIOC_s_WARN_FMT "%s: failed\n", iocp->name, __func__);
935 if (iocp->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
936 mpt_free_msg_frame(iocp, mf);
937 goto fwdl_out;
938 }
939 if (!timeleft) {
940 printk(MYIOC_s_WARN_FMT
941 "FW download timeout, doorbell=0x%08x\n",
942 iocp->name, mpt_GetIocState(iocp, 0));
943 mptctl_timeout_expired(iocp, mf);
944 } else
945 goto retry_wait;
946 goto fwdl_out;
947 }
948
949 if (!(iocp->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
950 printk(MYIOC_s_WARN_FMT "%s: failed\n", iocp->name, __func__);
951 mpt_free_msg_frame(iocp, mf);
952 ret = -ENODATA;
953 goto fwdl_out;
954 }
955
956 if (sgl)
957 kfree_sgl(sgl, sgl_dma, buflist, iocp);
958
959 ReplyMsg = (pFWDownloadReply_t)iocp->ioctl_cmds.reply;
960 iocstat = le16_to_cpu(ReplyMsg->IOCStatus) & MPI_IOCSTATUS_MASK;
961 if (iocstat == MPI_IOCSTATUS_SUCCESS) {
962 printk(MYIOC_s_INFO_FMT "F/W update successful!\n", iocp->name);
963 return 0;
964 } else if (iocstat == MPI_IOCSTATUS_INVALID_FUNCTION) {
965 printk(MYIOC_s_WARN_FMT "Hmmm... F/W download not supported!?!\n",
966 iocp->name);
967 printk(MYIOC_s_WARN_FMT "(time to go bang on somebodies door)\n",
968 iocp->name);
969 return -EBADRQC;
970 } else if (iocstat == MPI_IOCSTATUS_BUSY) {
971 printk(MYIOC_s_WARN_FMT "IOC_BUSY!\n", iocp->name);
972 printk(MYIOC_s_WARN_FMT "(try again later?)\n", iocp->name);
973 return -EBUSY;
974 } else {
975 printk(MYIOC_s_WARN_FMT "ioctl_fwdl() returned [bad] status = %04xh\n",
976 iocp->name, iocstat);
977 printk(MYIOC_s_WARN_FMT "(bad VooDoo)\n", iocp->name);
978 return -ENOMSG;
979 }
980 return 0;
981
982fwdl_out:
983
984 CLEAR_MGMT_STATUS(iocp->ioctl_cmds.status);
985 SET_MGMT_MSG_CONTEXT(iocp->ioctl_cmds.msg_context, 0);
986 kfree_sgl(sgl, sgl_dma, buflist, iocp);
987 return ret;
988}
989
990/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
991/*
992 * SGE Allocation routine
993 *
994 * Inputs: bytes - number of bytes to be transferred
995 * sgdir - data direction
996 * sge_offset - offset (in bytes) from the start of the request
997 * frame to the first SGE
998 * ioc - pointer to the mptadapter
999 * Outputs: frags - number of scatter gather elements
1000 * blp - point to the buflist pointer
1001 * sglbuf_dma - pointer to the (dma) sgl
1002 * Returns: Null if failes
1003 * pointer to the (virtual) sgl if successful.
1004 */
1005static MptSge_t *
1006kbuf_alloc_2_sgl(int bytes, u32 sgdir, int sge_offset, int *frags,
1007 struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc)
1008{
1009 MptSge_t *sglbuf = NULL; /* pointer to array of SGE */
1010 /* and chain buffers */
1011 struct buflist *buflist = NULL; /* kernel routine */
1012 MptSge_t *sgl;
1013 int numfrags = 0;
1014 int fragcnt = 0;
1015 int alloc_sz = min(bytes,MAX_KMALLOC_SZ); // avoid kernel warning msg!
1016 int bytes_allocd = 0;
1017 int this_alloc;
1018 dma_addr_t pa; // phys addr
1019 int i, buflist_ent;
1020 int sg_spill = MAX_FRAGS_SPILL1;
1021 int dir;
1022
1023 if (bytes < 0)
1024 return NULL;
1025
1026 /* initialization */
1027 *frags = 0;
1028 *blp = NULL;
1029
1030 /* Allocate and initialize an array of kernel
1031 * structures for the SG elements.
1032 */
1033 i = MAX_SGL_BYTES / 8;
1034 buflist = kzalloc(i, GFP_USER);
1035 if (!buflist)
1036 return NULL;
1037 buflist_ent = 0;
1038
1039 /* Allocate a single block of memory to store the sg elements and
1040 * the chain buffers. The calling routine is responsible for
1041 * copying the data in this array into the correct place in the
1042 * request and chain buffers.
1043 */
1044 sglbuf = pci_alloc_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf_dma);
1045 if (sglbuf == NULL)
1046 goto free_and_fail;
1047
1048 if (sgdir & 0x04000000)
1049 dir = PCI_DMA_TODEVICE;
1050 else
1051 dir = PCI_DMA_FROMDEVICE;
1052
1053 /* At start:
1054 * sgl = sglbuf = point to beginning of sg buffer
1055 * buflist_ent = 0 = first kernel structure
1056 * sg_spill = number of SGE that can be written before the first
1057 * chain element.
1058 *
1059 */
1060 sgl = sglbuf;
1061 sg_spill = ((ioc->req_sz - sge_offset)/ioc->SGE_size) - 1;
1062 while (bytes_allocd < bytes) {
1063 this_alloc = min(alloc_sz, bytes-bytes_allocd);
1064 buflist[buflist_ent].len = this_alloc;
1065 buflist[buflist_ent].kptr = pci_alloc_consistent(ioc->pcidev,
1066 this_alloc,
1067 &pa);
1068 if (buflist[buflist_ent].kptr == NULL) {
1069 alloc_sz = alloc_sz / 2;
1070 if (alloc_sz == 0) {
1071 printk(MYIOC_s_WARN_FMT "-SG: No can do - "
1072 "not enough memory! :-(\n", ioc->name);
1073 printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n",
1074 ioc->name, numfrags);
1075 goto free_and_fail;
1076 }
1077 continue;
1078 } else {
1079 dma_addr_t dma_addr;
1080
1081 bytes_allocd += this_alloc;
1082 sgl->FlagsLength = (0x10000000|sgdir|this_alloc);
1083 dma_addr = pci_map_single(ioc->pcidev,
1084 buflist[buflist_ent].kptr, this_alloc, dir);
1085 sgl->Address = dma_addr;
1086
1087 fragcnt++;
1088 numfrags++;
1089 sgl++;
1090 buflist_ent++;
1091 }
1092
1093 if (bytes_allocd >= bytes)
1094 break;
1095
1096 /* Need to chain? */
1097 if (fragcnt == sg_spill) {
1098 printk(MYIOC_s_WARN_FMT
1099 "-SG: No can do - " "Chain required! :-(\n", ioc->name);
1100 printk(MYIOC_s_WARN_FMT "(freeing %d frags)\n", ioc->name, numfrags);
1101 goto free_and_fail;
1102 }
1103
1104 /* overflow check... */
1105 if (numfrags*8 > MAX_SGL_BYTES){
1106 /* GRRRRR... */
1107 printk(MYIOC_s_WARN_FMT "-SG: No can do - "
1108 "too many SG frags! :-(\n", ioc->name);
1109 printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n",
1110 ioc->name, numfrags);
1111 goto free_and_fail;
1112 }
1113 }
1114
1115 /* Last sge fixup: set LE+eol+eob bits */
1116 sgl[-1].FlagsLength |= 0xC1000000;
1117
1118 *frags = numfrags;
1119 *blp = buflist;
1120
1121 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - "
1122 "%d SG frags generated!\n", ioc->name, numfrags));
1123
1124 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - "
1125 "last (big) alloc_sz=%d\n", ioc->name, alloc_sz));
1126
1127 return sglbuf;
1128
1129free_and_fail:
1130 if (sglbuf != NULL) {
1131 for (i = 0; i < numfrags; i++) {
1132 dma_addr_t dma_addr;
1133 u8 *kptr;
1134 int len;
1135
1136 if ((sglbuf[i].FlagsLength >> 24) == 0x30)
1137 continue;
1138
1139 dma_addr = sglbuf[i].Address;
1140 kptr = buflist[i].kptr;
1141 len = buflist[i].len;
1142
1143 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
1144 }
1145 pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf, *sglbuf_dma);
1146 }
1147 kfree(buflist);
1148 return NULL;
1149}
1150
1151/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1152/*
1153 * Routine to free the SGL elements.
1154 */
1155static void
1156kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, struct buflist *buflist, MPT_ADAPTER *ioc)
1157{
1158 MptSge_t *sg = sgl;
1159 struct buflist *bl = buflist;
1160 u32 nib;
1161 int dir;
1162 int n = 0;
1163
1164 if (sg->FlagsLength & 0x04000000)
1165 dir = PCI_DMA_TODEVICE;
1166 else
1167 dir = PCI_DMA_FROMDEVICE;
1168
1169 nib = (sg->FlagsLength & 0xF0000000) >> 28;
1170 while (! (nib & 0x4)) { /* eob */
1171 /* skip ignore/chain. */
1172 if (nib == 0 || nib == 3) {
1173 ;
1174 } else if (sg->Address) {
1175 dma_addr_t dma_addr;
1176 void *kptr;
1177 int len;
1178
1179 dma_addr = sg->Address;
1180 kptr = bl->kptr;
1181 len = bl->len;
1182 pci_unmap_single(ioc->pcidev, dma_addr, len, dir);
1183 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
1184 n++;
1185 }
1186 sg++;
1187 bl++;
1188 nib = (le32_to_cpu(sg->FlagsLength) & 0xF0000000) >> 28;
1189 }
1190
1191 /* we're at eob! */
1192 if (sg->Address) {
1193 dma_addr_t dma_addr;
1194 void *kptr;
1195 int len;
1196
1197 dma_addr = sg->Address;
1198 kptr = bl->kptr;
1199 len = bl->len;
1200 pci_unmap_single(ioc->pcidev, dma_addr, len, dir);
1201 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr);
1202 n++;
1203 }
1204
1205 pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sgl, sgl_dma);
1206 kfree(buflist);
1207 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: Free'd 1 SGL buf + %d kbufs!\n",
1208 ioc->name, n));
1209}
1210
1211/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1212/*
1213 * mptctl_getiocinfo - Query the host adapter for IOC information.
1214 * @arg: User space argument
1215 *
1216 * Outputs: None.
1217 * Return: 0 if successful
1218 * -EFAULT if data unavailable
1219 * -ENODEV if no such device/adapter
1220 */
1221static int
1222mptctl_getiocinfo (MPT_ADAPTER *ioc, unsigned long arg, unsigned int data_size)
1223{
1224 struct mpt_ioctl_iocinfo __user *uarg = (void __user *) arg;
1225 struct mpt_ioctl_iocinfo *karg;
1226 struct pci_dev *pdev;
1227 unsigned int port;
1228 int cim_rev;
1229 struct scsi_device *sdev;
1230 VirtDevice *vdevice;
1231
1232 /* Add of PCI INFO results in unaligned access for
1233 * IA64 and Sparc. Reset long to int. Return no PCI
1234 * data for obsolete format.
1235 */
1236 if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev0))
1237 cim_rev = 0;
1238 else if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev1))
1239 cim_rev = 1;
1240 else if (data_size == sizeof(struct mpt_ioctl_iocinfo))
1241 cim_rev = 2;
1242 else if (data_size == (sizeof(struct mpt_ioctl_iocinfo_rev0)+12))
1243 cim_rev = 0; /* obsolete */
1244 else
1245 return -EFAULT;
1246
1247 karg = memdup_user(uarg, data_size);
1248 if (IS_ERR(karg)) {
1249 printk(KERN_ERR MYNAM "%s@%d::mpt_ioctl_iocinfo() - memdup_user returned error [%ld]\n",
1250 __FILE__, __LINE__, PTR_ERR(karg));
1251 return PTR_ERR(karg);
1252 }
1253
1254 /* Verify the data transfer size is correct. */
1255 if (karg->hdr.maxDataSize != data_size) {
1256 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - "
1257 "Structure size mismatch. Command not completed.\n",
1258 ioc->name, __FILE__, __LINE__);
1259 kfree(karg);
1260 return -EFAULT;
1261 }
1262
1263 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_getiocinfo called.\n",
1264 ioc->name));
1265
1266 /* Fill in the data and return the structure to the calling
1267 * program
1268 */
1269 if (ioc->bus_type == SAS)
1270 karg->adapterType = MPT_IOCTL_INTERFACE_SAS;
1271 else if (ioc->bus_type == FC)
1272 karg->adapterType = MPT_IOCTL_INTERFACE_FC;
1273 else
1274 karg->adapterType = MPT_IOCTL_INTERFACE_SCSI;
1275
1276 if (karg->hdr.port > 1) {
1277 kfree(karg);
1278 return -EINVAL;
1279 }
1280 port = karg->hdr.port;
1281
1282 karg->port = port;
1283 pdev = (struct pci_dev *) ioc->pcidev;
1284
1285 karg->pciId = pdev->device;
1286 karg->hwRev = pdev->revision;
1287 karg->subSystemDevice = pdev->subsystem_device;
1288 karg->subSystemVendor = pdev->subsystem_vendor;
1289
1290 if (cim_rev == 1) {
1291 /* Get the PCI bus, device, and function numbers for the IOC
1292 */
1293 karg->pciInfo.u.bits.busNumber = pdev->bus->number;
1294 karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn );
1295 karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn );
1296 } else if (cim_rev == 2) {
1297 /* Get the PCI bus, device, function and segment ID numbers
1298 for the IOC */
1299 karg->pciInfo.u.bits.busNumber = pdev->bus->number;
1300 karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn );
1301 karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn );
1302 karg->pciInfo.segmentID = pci_domain_nr(pdev->bus);
1303 }
1304
1305 /* Get number of devices
1306 */
1307 karg->numDevices = 0;
1308 if (ioc->sh) {
1309 shost_for_each_device(sdev, ioc->sh) {
1310 vdevice = sdev->hostdata;
1311 if (vdevice == NULL || vdevice->vtarget == NULL)
1312 continue;
1313 if (vdevice->vtarget->tflags &
1314 MPT_TARGET_FLAGS_RAID_COMPONENT)
1315 continue;
1316 karg->numDevices++;
1317 }
1318 }
1319
1320 /* Set the BIOS and FW Version
1321 */
1322 karg->FWVersion = ioc->facts.FWVersion.Word;
1323 karg->BIOSVersion = ioc->biosVersion;
1324
1325 /* Set the Version Strings.
1326 */
1327 strncpy (karg->driverVersion, MPT_LINUX_PACKAGE_NAME, MPT_IOCTL_VERSION_LENGTH);
1328 karg->driverVersion[MPT_IOCTL_VERSION_LENGTH-1]='\0';
1329
1330 karg->busChangeEvent = 0;
1331 karg->hostId = ioc->pfacts[port].PortSCSIID;
1332 karg->rsvd[0] = karg->rsvd[1] = 0;
1333
1334 /* Copy the data from kernel memory to user memory
1335 */
1336 if (copy_to_user((char __user *)arg, karg, data_size)) {
1337 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - "
1338 "Unable to write out mpt_ioctl_iocinfo struct @ %p\n",
1339 ioc->name, __FILE__, __LINE__, uarg);
1340 kfree(karg);
1341 return -EFAULT;
1342 }
1343
1344 kfree(karg);
1345 return 0;
1346}
1347
1348/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1349/*
1350 * mptctl_gettargetinfo - Query the host adapter for target information.
1351 * @arg: User space argument
1352 *
1353 * Outputs: None.
1354 * Return: 0 if successful
1355 * -EFAULT if data unavailable
1356 * -ENODEV if no such device/adapter
1357 */
1358static int
1359mptctl_gettargetinfo (MPT_ADAPTER *ioc, unsigned long arg)
1360{
1361 struct mpt_ioctl_targetinfo __user *uarg = (void __user *) arg;
1362 struct mpt_ioctl_targetinfo karg;
1363 VirtDevice *vdevice;
1364 char *pmem;
1365 int *pdata;
1366 int numDevices = 0;
1367 int lun;
1368 int maxWordsLeft;
1369 int numBytes;
1370 struct scsi_device *sdev;
1371
1372 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_targetinfo))) {
1373 printk(KERN_ERR MYNAM "%s@%d::mptctl_gettargetinfo - "
1374 "Unable to read in mpt_ioctl_targetinfo struct @ %p\n",
1375 __FILE__, __LINE__, uarg);
1376 return -EFAULT;
1377 }
1378
1379 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_gettargetinfo called.\n",
1380 ioc->name));
1381 numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header);
1382 maxWordsLeft = numBytes/sizeof(int);
1383
1384 if (maxWordsLeft <= 0) {
1385 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n",
1386 ioc->name, __FILE__, __LINE__);
1387 return -ENOMEM;
1388 }
1389
1390 /* Fill in the data and return the structure to the calling
1391 * program
1392 */
1393
1394 /* struct mpt_ioctl_targetinfo does not contain sufficient space
1395 * for the target structures so when the IOCTL is called, there is
1396 * not sufficient stack space for the structure. Allocate memory,
1397 * populate the memory, copy back to the user, then free memory.
1398 * targetInfo format:
1399 * bits 31-24: reserved
1400 * 23-16: LUN
1401 * 15- 8: Bus Number
1402 * 7- 0: Target ID
1403 */
1404 pmem = kzalloc(numBytes, GFP_KERNEL);
1405 if (!pmem) {
1406 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n",
1407 ioc->name, __FILE__, __LINE__);
1408 return -ENOMEM;
1409 }
1410 pdata = (int *) pmem;
1411
1412 /* Get number of devices
1413 */
1414 if (ioc->sh){
1415 shost_for_each_device(sdev, ioc->sh) {
1416 if (!maxWordsLeft)
1417 continue;
1418 vdevice = sdev->hostdata;
1419 if (vdevice == NULL || vdevice->vtarget == NULL)
1420 continue;
1421 if (vdevice->vtarget->tflags &
1422 MPT_TARGET_FLAGS_RAID_COMPONENT)
1423 continue;
1424 lun = (vdevice->vtarget->raidVolume) ? 0x80 : vdevice->lun;
1425 *pdata = (((u8)lun << 16) + (vdevice->vtarget->channel << 8) +
1426 (vdevice->vtarget->id ));
1427 pdata++;
1428 numDevices++;
1429 --maxWordsLeft;
1430 }
1431 }
1432 karg.numDevices = numDevices;
1433
1434 /* Copy part of the data from kernel memory to user memory
1435 */
1436 if (copy_to_user((char __user *)arg, &karg,
1437 sizeof(struct mpt_ioctl_targetinfo))) {
1438 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - "
1439 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
1440 ioc->name, __FILE__, __LINE__, uarg);
1441 kfree(pmem);
1442 return -EFAULT;
1443 }
1444
1445 /* Copy the remaining data from kernel memory to user memory
1446 */
1447 if (copy_to_user(uarg->targetInfo, pmem, numBytes)) {
1448 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - "
1449 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
1450 ioc->name, __FILE__, __LINE__, pdata);
1451 kfree(pmem);
1452 return -EFAULT;
1453 }
1454
1455 kfree(pmem);
1456
1457 return 0;
1458}
1459
1460/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1461/* MPT IOCTL Test function.
1462 *
1463 * Outputs: None.
1464 * Return: 0 if successful
1465 * -EFAULT if data unavailable
1466 * -ENODEV if no such device/adapter
1467 */
1468static int
1469mptctl_readtest (MPT_ADAPTER *ioc, unsigned long arg)
1470{
1471 struct mpt_ioctl_test __user *uarg = (void __user *) arg;
1472 struct mpt_ioctl_test karg;
1473
1474 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_test))) {
1475 printk(KERN_ERR MYNAM "%s@%d::mptctl_readtest - "
1476 "Unable to read in mpt_ioctl_test struct @ %p\n",
1477 __FILE__, __LINE__, uarg);
1478 return -EFAULT;
1479 }
1480
1481 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_readtest called.\n",
1482 ioc->name));
1483 /* Fill in the data and return the structure to the calling
1484 * program
1485 */
1486
1487#ifdef MFCNT
1488 karg.chip_type = ioc->mfcnt;
1489#else
1490 karg.chip_type = ioc->pcidev->device;
1491#endif
1492 strncpy (karg.name, ioc->name, MPT_MAX_NAME);
1493 karg.name[MPT_MAX_NAME-1]='\0';
1494 strncpy (karg.product, ioc->prod_name, MPT_PRODUCT_LENGTH);
1495 karg.product[MPT_PRODUCT_LENGTH-1]='\0';
1496
1497 /* Copy the data from kernel memory to user memory
1498 */
1499 if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_test))) {
1500 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_readtest - "
1501 "Unable to write out mpt_ioctl_test struct @ %p\n",
1502 ioc->name, __FILE__, __LINE__, uarg);
1503 return -EFAULT;
1504 }
1505
1506 return 0;
1507}
1508
1509/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1510/*
1511 * mptctl_eventquery - Query the host adapter for the event types
1512 * that are being logged.
1513 * @arg: User space argument
1514 *
1515 * Outputs: None.
1516 * Return: 0 if successful
1517 * -EFAULT if data unavailable
1518 * -ENODEV if no such device/adapter
1519 */
1520static int
1521mptctl_eventquery (MPT_ADAPTER *ioc, unsigned long arg)
1522{
1523 struct mpt_ioctl_eventquery __user *uarg = (void __user *) arg;
1524 struct mpt_ioctl_eventquery karg;
1525
1526 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventquery))) {
1527 printk(KERN_ERR MYNAM "%s@%d::mptctl_eventquery - "
1528 "Unable to read in mpt_ioctl_eventquery struct @ %p\n",
1529 __FILE__, __LINE__, uarg);
1530 return -EFAULT;
1531 }
1532
1533 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventquery called.\n",
1534 ioc->name));
1535 karg.eventEntries = MPTCTL_EVENT_LOG_SIZE;
1536 karg.eventTypes = ioc->eventTypes;
1537
1538 /* Copy the data from kernel memory to user memory
1539 */
1540 if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_eventquery))) {
1541 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventquery - "
1542 "Unable to write out mpt_ioctl_eventquery struct @ %p\n",
1543 ioc->name, __FILE__, __LINE__, uarg);
1544 return -EFAULT;
1545 }
1546 return 0;
1547}
1548
1549/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1550static int
1551mptctl_eventenable (MPT_ADAPTER *ioc, unsigned long arg)
1552{
1553 struct mpt_ioctl_eventenable __user *uarg = (void __user *) arg;
1554 struct mpt_ioctl_eventenable karg;
1555
1556 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventenable))) {
1557 printk(KERN_ERR MYNAM "%s@%d::mptctl_eventenable - "
1558 "Unable to read in mpt_ioctl_eventenable struct @ %p\n",
1559 __FILE__, __LINE__, uarg);
1560 return -EFAULT;
1561 }
1562
1563 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventenable called.\n",
1564 ioc->name));
1565 if (ioc->events == NULL) {
1566 /* Have not yet allocated memory - do so now.
1567 */
1568 int sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS);
1569 ioc->events = kzalloc(sz, GFP_KERNEL);
1570 if (!ioc->events) {
1571 printk(MYIOC_s_ERR_FMT
1572 ": ERROR - Insufficient memory to add adapter!\n",
1573 ioc->name);
1574 return -ENOMEM;
1575 }
1576 ioc->alloc_total += sz;
1577
1578 ioc->eventContext = 0;
1579 }
1580
1581 /* Update the IOC event logging flag.
1582 */
1583 ioc->eventTypes = karg.eventTypes;
1584
1585 return 0;
1586}
1587
1588/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1589static int
1590mptctl_eventreport (MPT_ADAPTER *ioc, unsigned long arg)
1591{
1592 struct mpt_ioctl_eventreport __user *uarg = (void __user *) arg;
1593 struct mpt_ioctl_eventreport karg;
1594 int numBytes, maxEvents, max;
1595
1596 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventreport))) {
1597 printk(KERN_ERR MYNAM "%s@%d::mptctl_eventreport - "
1598 "Unable to read in mpt_ioctl_eventreport struct @ %p\n",
1599 __FILE__, __LINE__, uarg);
1600 return -EFAULT;
1601 }
1602
1603 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventreport called.\n",
1604 ioc->name));
1605
1606 numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header);
1607 maxEvents = numBytes/sizeof(MPT_IOCTL_EVENTS);
1608
1609
1610 max = MPTCTL_EVENT_LOG_SIZE < maxEvents ? MPTCTL_EVENT_LOG_SIZE : maxEvents;
1611
1612 /* If fewer than 1 event is requested, there must have
1613 * been some type of error.
1614 */
1615 if ((max < 1) || !ioc->events)
1616 return -ENODATA;
1617
1618 /* reset this flag so SIGIO can restart */
1619 ioc->aen_event_read_flag=0;
1620
1621 /* Copy the data from kernel memory to user memory
1622 */
1623 numBytes = max * sizeof(MPT_IOCTL_EVENTS);
1624 if (copy_to_user(uarg->eventData, ioc->events, numBytes)) {
1625 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventreport - "
1626 "Unable to write out mpt_ioctl_eventreport struct @ %p\n",
1627 ioc->name, __FILE__, __LINE__, ioc->events);
1628 return -EFAULT;
1629 }
1630
1631 return 0;
1632}
1633
1634/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1635static int
1636mptctl_replace_fw (MPT_ADAPTER *ioc, unsigned long arg)
1637{
1638 struct mpt_ioctl_replace_fw __user *uarg = (void __user *) arg;
1639 struct mpt_ioctl_replace_fw karg;
1640 int newFwSize;
1641
1642 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_replace_fw))) {
1643 printk(KERN_ERR MYNAM "%s@%d::mptctl_replace_fw - "
1644 "Unable to read in mpt_ioctl_replace_fw struct @ %p\n",
1645 __FILE__, __LINE__, uarg);
1646 return -EFAULT;
1647 }
1648
1649 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_replace_fw called.\n",
1650 ioc->name));
1651 /* If caching FW, Free the old FW image
1652 */
1653 if (ioc->cached_fw == NULL)
1654 return 0;
1655
1656 mpt_free_fw_memory(ioc);
1657
1658 /* Allocate memory for the new FW image
1659 */
1660 newFwSize = ALIGN(karg.newImageSize, 4);
1661
1662 mpt_alloc_fw_memory(ioc, newFwSize);
1663 if (ioc->cached_fw == NULL)
1664 return -ENOMEM;
1665
1666 /* Copy the data from user memory to kernel space
1667 */
1668 if (copy_from_user(ioc->cached_fw, uarg->newImage, newFwSize)) {
1669 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_replace_fw - "
1670 "Unable to read in mpt_ioctl_replace_fw image "
1671 "@ %p\n", ioc->name, __FILE__, __LINE__, uarg);
1672 mpt_free_fw_memory(ioc);
1673 return -EFAULT;
1674 }
1675
1676 /* Update IOCFactsReply
1677 */
1678 ioc->facts.FWImageSize = newFwSize;
1679 return 0;
1680}
1681
1682/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1683/* MPT IOCTL MPTCOMMAND function.
1684 * Cast the arg into the mpt_ioctl_mpt_command structure.
1685 *
1686 * Outputs: None.
1687 * Return: 0 if successful
1688 * -EBUSY if previous command timeout and IOC reset is not complete.
1689 * -EFAULT if data unavailable
1690 * -ENODEV if no such device/adapter
1691 * -ETIME if timer expires
1692 * -ENOMEM if memory allocation error
1693 */
1694static int
1695mptctl_mpt_command (MPT_ADAPTER *ioc, unsigned long arg)
1696{
1697 struct mpt_ioctl_command __user *uarg = (void __user *) arg;
1698 struct mpt_ioctl_command karg;
1699 int rc;
1700
1701
1702 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_command))) {
1703 printk(KERN_ERR MYNAM "%s@%d::mptctl_mpt_command - "
1704 "Unable to read in mpt_ioctl_command struct @ %p\n",
1705 __FILE__, __LINE__, uarg);
1706 return -EFAULT;
1707 }
1708
1709 rc = mptctl_do_mpt_command (ioc, karg, &uarg->MF);
1710
1711 return rc;
1712}
1713
1714/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1715/* Worker routine for the IOCTL MPTCOMMAND and MPTCOMMAND32 (sparc) commands.
1716 *
1717 * Outputs: None.
1718 * Return: 0 if successful
1719 * -EBUSY if previous command timeout and IOC reset is not complete.
1720 * -EFAULT if data unavailable
1721 * -ENODEV if no such device/adapter
1722 * -ETIME if timer expires
1723 * -ENOMEM if memory allocation error
1724 * -EPERM if SCSI I/O and target is untagged
1725 */
1726static int
1727mptctl_do_mpt_command (MPT_ADAPTER *ioc, struct mpt_ioctl_command karg, void __user *mfPtr)
1728{
1729 MPT_FRAME_HDR *mf = NULL;
1730 MPIHeader_t *hdr;
1731 char *psge;
1732 struct buflist bufIn; /* data In buffer */
1733 struct buflist bufOut; /* data Out buffer */
1734 dma_addr_t dma_addr_in;
1735 dma_addr_t dma_addr_out;
1736 int sgSize = 0; /* Num SG elements */
1737 int flagsLength;
1738 int sz, rc = 0;
1739 int msgContext;
1740 u16 req_idx;
1741 ulong timeout;
1742 unsigned long timeleft;
1743 struct scsi_device *sdev;
1744 unsigned long flags;
1745 u8 function;
1746
1747 /* bufIn and bufOut are used for user to kernel space transfers
1748 */
1749 bufIn.kptr = bufOut.kptr = NULL;
1750 bufIn.len = bufOut.len = 0;
1751
1752 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
1753 if (ioc->ioc_reset_in_progress) {
1754 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
1755 printk(KERN_ERR MYNAM "%s@%d::mptctl_do_mpt_command - "
1756 "Busy with diagnostic reset\n", __FILE__, __LINE__);
1757 return -EBUSY;
1758 }
1759 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
1760
1761 /* Basic sanity checks to prevent underflows or integer overflows */
1762 if (karg.maxReplyBytes < 0 ||
1763 karg.dataInSize < 0 ||
1764 karg.dataOutSize < 0 ||
1765 karg.dataSgeOffset < 0 ||
1766 karg.maxSenseBytes < 0 ||
1767 karg.dataSgeOffset > ioc->req_sz / 4)
1768 return -EINVAL;
1769
1770 /* Verify that the final request frame will not be too large.
1771 */
1772 sz = karg.dataSgeOffset * 4;
1773 if (karg.dataInSize > 0)
1774 sz += ioc->SGE_size;
1775 if (karg.dataOutSize > 0)
1776 sz += ioc->SGE_size;
1777
1778 if (sz > ioc->req_sz) {
1779 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1780 "Request frame too large (%d) maximum (%d)\n",
1781 ioc->name, __FILE__, __LINE__, sz, ioc->req_sz);
1782 return -EFAULT;
1783 }
1784
1785 /* Get a free request frame and save the message context.
1786 */
1787 if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL)
1788 return -EAGAIN;
1789
1790 hdr = (MPIHeader_t *) mf;
1791 msgContext = le32_to_cpu(hdr->MsgContext);
1792 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1793
1794 /* Copy the request frame
1795 * Reset the saved message context.
1796 * Request frame in user space
1797 */
1798 if (copy_from_user(mf, mfPtr, karg.dataSgeOffset * 4)) {
1799 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1800 "Unable to read MF from mpt_ioctl_command struct @ %p\n",
1801 ioc->name, __FILE__, __LINE__, mfPtr);
1802 function = -1;
1803 rc = -EFAULT;
1804 goto done_free_mem;
1805 }
1806 hdr->MsgContext = cpu_to_le32(msgContext);
1807 function = hdr->Function;
1808
1809
1810 /* Verify that this request is allowed.
1811 */
1812 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sending mpi function (0x%02X), req=%p\n",
1813 ioc->name, hdr->Function, mf));
1814
1815 switch (function) {
1816 case MPI_FUNCTION_IOC_FACTS:
1817 case MPI_FUNCTION_PORT_FACTS:
1818 karg.dataOutSize = karg.dataInSize = 0;
1819 break;
1820
1821 case MPI_FUNCTION_CONFIG:
1822 {
1823 Config_t *config_frame;
1824 config_frame = (Config_t *)mf;
1825 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\ttype=0x%02x ext_type=0x%02x "
1826 "number=0x%02x action=0x%02x\n", ioc->name,
1827 config_frame->Header.PageType,
1828 config_frame->ExtPageType,
1829 config_frame->Header.PageNumber,
1830 config_frame->Action));
1831 break;
1832 }
1833
1834 case MPI_FUNCTION_FC_COMMON_TRANSPORT_SEND:
1835 case MPI_FUNCTION_FC_EX_LINK_SRVC_SEND:
1836 case MPI_FUNCTION_FW_UPLOAD:
1837 case MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR:
1838 case MPI_FUNCTION_FW_DOWNLOAD:
1839 case MPI_FUNCTION_FC_PRIMITIVE_SEND:
1840 case MPI_FUNCTION_TOOLBOX:
1841 case MPI_FUNCTION_SAS_IO_UNIT_CONTROL:
1842 break;
1843
1844 case MPI_FUNCTION_SCSI_IO_REQUEST:
1845 if (ioc->sh) {
1846 SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf;
1847 int qtag = MPI_SCSIIO_CONTROL_UNTAGGED;
1848 int scsidir = 0;
1849 int dataSize;
1850 u32 id;
1851
1852 id = (ioc->devices_per_bus == 0) ? 256 : ioc->devices_per_bus;
1853 if (pScsiReq->TargetID > id) {
1854 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1855 "Target ID out of bounds. \n",
1856 ioc->name, __FILE__, __LINE__);
1857 rc = -ENODEV;
1858 goto done_free_mem;
1859 }
1860
1861 if (pScsiReq->Bus >= ioc->number_of_buses) {
1862 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1863 "Target Bus out of bounds. \n",
1864 ioc->name, __FILE__, __LINE__);
1865 rc = -ENODEV;
1866 goto done_free_mem;
1867 }
1868
1869 pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH;
1870 pScsiReq->MsgFlags |= mpt_msg_flags(ioc);
1871
1872
1873 /* verify that app has not requested
1874 * more sense data than driver
1875 * can provide, if so, reset this parameter
1876 * set the sense buffer pointer low address
1877 * update the control field to specify Q type
1878 */
1879 if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE)
1880 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1881 else
1882 pScsiReq->SenseBufferLength = karg.maxSenseBytes;
1883
1884 pScsiReq->SenseBufferLowAddr =
1885 cpu_to_le32(ioc->sense_buf_low_dma
1886 + (req_idx * MPT_SENSE_BUFFER_ALLOC));
1887
1888 shost_for_each_device(sdev, ioc->sh) {
1889 struct scsi_target *starget = scsi_target(sdev);
1890 VirtTarget *vtarget = starget->hostdata;
1891
1892 if (vtarget == NULL)
1893 continue;
1894
1895 if ((pScsiReq->TargetID == vtarget->id) &&
1896 (pScsiReq->Bus == vtarget->channel) &&
1897 (vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
1898 qtag = MPI_SCSIIO_CONTROL_SIMPLEQ;
1899 }
1900
1901 /* Have the IOCTL driver set the direction based
1902 * on the dataOutSize (ordering issue with Sparc).
1903 */
1904 if (karg.dataOutSize > 0) {
1905 scsidir = MPI_SCSIIO_CONTROL_WRITE;
1906 dataSize = karg.dataOutSize;
1907 } else {
1908 scsidir = MPI_SCSIIO_CONTROL_READ;
1909 dataSize = karg.dataInSize;
1910 }
1911
1912 pScsiReq->Control = cpu_to_le32(scsidir | qtag);
1913 pScsiReq->DataLength = cpu_to_le32(dataSize);
1914
1915
1916 } else {
1917 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1918 "SCSI driver is not loaded. \n",
1919 ioc->name, __FILE__, __LINE__);
1920 rc = -EFAULT;
1921 goto done_free_mem;
1922 }
1923 break;
1924
1925 case MPI_FUNCTION_SMP_PASSTHROUGH:
1926 /* Check mf->PassthruFlags to determine if
1927 * transfer is ImmediateMode or not.
1928 * Immediate mode returns data in the ReplyFrame.
1929 * Else, we are sending request and response data
1930 * in two SGLs at the end of the mf.
1931 */
1932 break;
1933
1934 case MPI_FUNCTION_SATA_PASSTHROUGH:
1935 if (!ioc->sh) {
1936 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1937 "SCSI driver is not loaded. \n",
1938 ioc->name, __FILE__, __LINE__);
1939 rc = -EFAULT;
1940 goto done_free_mem;
1941 }
1942 break;
1943
1944 case MPI_FUNCTION_RAID_ACTION:
1945 /* Just add a SGE
1946 */
1947 break;
1948
1949 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
1950 if (ioc->sh) {
1951 SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf;
1952 int qtag = MPI_SCSIIO_CONTROL_SIMPLEQ;
1953 int scsidir = MPI_SCSIIO_CONTROL_READ;
1954 int dataSize;
1955
1956 pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH;
1957 pScsiReq->MsgFlags |= mpt_msg_flags(ioc);
1958
1959
1960 /* verify that app has not requested
1961 * more sense data than driver
1962 * can provide, if so, reset this parameter
1963 * set the sense buffer pointer low address
1964 * update the control field to specify Q type
1965 */
1966 if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE)
1967 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1968 else
1969 pScsiReq->SenseBufferLength = karg.maxSenseBytes;
1970
1971 pScsiReq->SenseBufferLowAddr =
1972 cpu_to_le32(ioc->sense_buf_low_dma
1973 + (req_idx * MPT_SENSE_BUFFER_ALLOC));
1974
1975 /* All commands to physical devices are tagged
1976 */
1977
1978 /* Have the IOCTL driver set the direction based
1979 * on the dataOutSize (ordering issue with Sparc).
1980 */
1981 if (karg.dataOutSize > 0) {
1982 scsidir = MPI_SCSIIO_CONTROL_WRITE;
1983 dataSize = karg.dataOutSize;
1984 } else {
1985 scsidir = MPI_SCSIIO_CONTROL_READ;
1986 dataSize = karg.dataInSize;
1987 }
1988
1989 pScsiReq->Control = cpu_to_le32(scsidir | qtag);
1990 pScsiReq->DataLength = cpu_to_le32(dataSize);
1991
1992 } else {
1993 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
1994 "SCSI driver is not loaded. \n",
1995 ioc->name, __FILE__, __LINE__);
1996 rc = -EFAULT;
1997 goto done_free_mem;
1998 }
1999 break;
2000
2001 case MPI_FUNCTION_SCSI_TASK_MGMT:
2002 {
2003 SCSITaskMgmt_t *pScsiTm;
2004 pScsiTm = (SCSITaskMgmt_t *)mf;
2005 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2006 "\tTaskType=0x%x MsgFlags=0x%x "
2007 "TaskMsgContext=0x%x id=%d channel=%d\n",
2008 ioc->name, pScsiTm->TaskType, le32_to_cpu
2009 (pScsiTm->TaskMsgContext), pScsiTm->MsgFlags,
2010 pScsiTm->TargetID, pScsiTm->Bus));
2011 break;
2012 }
2013
2014 case MPI_FUNCTION_IOC_INIT:
2015 {
2016 IOCInit_t *pInit = (IOCInit_t *) mf;
2017 u32 high_addr, sense_high;
2018
2019 /* Verify that all entries in the IOC INIT match
2020 * existing setup (and in LE format).
2021 */
2022 if (sizeof(dma_addr_t) == sizeof(u64)) {
2023 high_addr = cpu_to_le32((u32)((u64)ioc->req_frames_dma >> 32));
2024 sense_high= cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32));
2025 } else {
2026 high_addr = 0;
2027 sense_high= 0;
2028 }
2029
2030 if ((pInit->Flags != 0) || (pInit->MaxDevices != ioc->facts.MaxDevices) ||
2031 (pInit->MaxBuses != ioc->facts.MaxBuses) ||
2032 (pInit->ReplyFrameSize != cpu_to_le16(ioc->reply_sz)) ||
2033 (pInit->HostMfaHighAddr != high_addr) ||
2034 (pInit->SenseBufferHighAddr != sense_high)) {
2035 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
2036 "IOC_INIT issued with 1 or more incorrect parameters. Rejected.\n",
2037 ioc->name, __FILE__, __LINE__);
2038 rc = -EFAULT;
2039 goto done_free_mem;
2040 }
2041 }
2042 break;
2043 default:
2044 /*
2045 * MPI_FUNCTION_PORT_ENABLE
2046 * MPI_FUNCTION_TARGET_CMD_BUFFER_POST
2047 * MPI_FUNCTION_TARGET_ASSIST
2048 * MPI_FUNCTION_TARGET_STATUS_SEND
2049 * MPI_FUNCTION_TARGET_MODE_ABORT
2050 * MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET
2051 * MPI_FUNCTION_IO_UNIT_RESET
2052 * MPI_FUNCTION_HANDSHAKE
2053 * MPI_FUNCTION_REPLY_FRAME_REMOVAL
2054 * MPI_FUNCTION_EVENT_NOTIFICATION
2055 * (driver handles event notification)
2056 * MPI_FUNCTION_EVENT_ACK
2057 */
2058
2059 /* What to do with these??? CHECK ME!!!
2060 MPI_FUNCTION_FC_LINK_SRVC_BUF_POST
2061 MPI_FUNCTION_FC_LINK_SRVC_RSP
2062 MPI_FUNCTION_FC_ABORT
2063 MPI_FUNCTION_LAN_SEND
2064 MPI_FUNCTION_LAN_RECEIVE
2065 MPI_FUNCTION_LAN_RESET
2066 */
2067
2068 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
2069 "Illegal request (function 0x%x) \n",
2070 ioc->name, __FILE__, __LINE__, hdr->Function);
2071 rc = -EFAULT;
2072 goto done_free_mem;
2073 }
2074
2075 /* Add the SGL ( at most one data in SGE and one data out SGE )
2076 * In the case of two SGE's - the data out (write) will always
2077 * preceede the data in (read) SGE. psgList is used to free the
2078 * allocated memory.
2079 */
2080 psge = (char *) (((int *) mf) + karg.dataSgeOffset);
2081 flagsLength = 0;
2082
2083 if (karg.dataOutSize > 0)
2084 sgSize ++;
2085
2086 if (karg.dataInSize > 0)
2087 sgSize ++;
2088
2089 if (sgSize > 0) {
2090
2091 /* Set up the dataOut memory allocation */
2092 if (karg.dataOutSize > 0) {
2093 if (karg.dataInSize > 0) {
2094 flagsLength = ( MPI_SGE_FLAGS_SIMPLE_ELEMENT |
2095 MPI_SGE_FLAGS_END_OF_BUFFER |
2096 MPI_SGE_FLAGS_DIRECTION)
2097 << MPI_SGE_FLAGS_SHIFT;
2098 } else {
2099 flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE;
2100 }
2101 flagsLength |= karg.dataOutSize;
2102 bufOut.len = karg.dataOutSize;
2103 bufOut.kptr = pci_alloc_consistent(
2104 ioc->pcidev, bufOut.len, &dma_addr_out);
2105
2106 if (bufOut.kptr == NULL) {
2107 rc = -ENOMEM;
2108 goto done_free_mem;
2109 } else {
2110 /* Set up this SGE.
2111 * Copy to MF and to sglbuf
2112 */
2113 ioc->add_sge(psge, flagsLength, dma_addr_out);
2114 psge += ioc->SGE_size;
2115
2116 /* Copy user data to kernel space.
2117 */
2118 if (copy_from_user(bufOut.kptr,
2119 karg.dataOutBufPtr,
2120 bufOut.len)) {
2121 printk(MYIOC_s_ERR_FMT
2122 "%s@%d::mptctl_do_mpt_command - Unable "
2123 "to read user data "
2124 "struct @ %p\n",
2125 ioc->name, __FILE__, __LINE__,karg.dataOutBufPtr);
2126 rc = -EFAULT;
2127 goto done_free_mem;
2128 }
2129 }
2130 }
2131
2132 if (karg.dataInSize > 0) {
2133 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ;
2134 flagsLength |= karg.dataInSize;
2135
2136 bufIn.len = karg.dataInSize;
2137 bufIn.kptr = pci_alloc_consistent(ioc->pcidev,
2138 bufIn.len, &dma_addr_in);
2139
2140 if (bufIn.kptr == NULL) {
2141 rc = -ENOMEM;
2142 goto done_free_mem;
2143 } else {
2144 /* Set up this SGE
2145 * Copy to MF and to sglbuf
2146 */
2147 ioc->add_sge(psge, flagsLength, dma_addr_in);
2148 }
2149 }
2150 } else {
2151 /* Add a NULL SGE
2152 */
2153 ioc->add_sge(psge, flagsLength, (dma_addr_t) -1);
2154 }
2155
2156 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, hdr->MsgContext);
2157 INITIALIZE_MGMT_STATUS(ioc->ioctl_cmds.status)
2158 if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) {
2159
2160 mutex_lock(&ioc->taskmgmt_cmds.mutex);
2161 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
2162 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
2163 goto done_free_mem;
2164 }
2165
2166 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf);
2167
2168 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
2169 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
2170 mpt_put_msg_frame_hi_pri(mptctl_id, ioc, mf);
2171 else {
2172 rc =mpt_send_handshake_request(mptctl_id, ioc,
2173 sizeof(SCSITaskMgmt_t), (u32*)mf, CAN_SLEEP);
2174 if (rc != 0) {
2175 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
2176 "send_handshake FAILED! (ioc %p, mf %p)\n",
2177 ioc->name, ioc, mf));
2178 mpt_clear_taskmgmt_in_progress_flag(ioc);
2179 rc = -ENODATA;
2180 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
2181 goto done_free_mem;
2182 }
2183 }
2184
2185 } else
2186 mpt_put_msg_frame(mptctl_id, ioc, mf);
2187
2188 /* Now wait for the command to complete */
2189 timeout = (karg.timeout > 0) ? karg.timeout : MPT_IOCTL_DEFAULT_TIMEOUT;
2190retry_wait:
2191 timeleft = wait_for_completion_timeout(&ioc->ioctl_cmds.done,
2192 HZ*timeout);
2193 if (!(ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2194 rc = -ETIME;
2195 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "%s: TIMED OUT!\n",
2196 ioc->name, __func__));
2197 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
2198 if (function == MPI_FUNCTION_SCSI_TASK_MGMT)
2199 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
2200 goto done_free_mem;
2201 }
2202 if (!timeleft) {
2203 printk(MYIOC_s_WARN_FMT
2204 "mpt cmd timeout, doorbell=0x%08x"
2205 " function=0x%x\n",
2206 ioc->name, mpt_GetIocState(ioc, 0), function);
2207 if (function == MPI_FUNCTION_SCSI_TASK_MGMT)
2208 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
2209 mptctl_timeout_expired(ioc, mf);
2210 mf = NULL;
2211 } else
2212 goto retry_wait;
2213 goto done_free_mem;
2214 }
2215
2216 if (function == MPI_FUNCTION_SCSI_TASK_MGMT)
2217 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
2218
2219
2220 mf = NULL;
2221
2222 /* If a valid reply frame, copy to the user.
2223 * Offset 2: reply length in U32's
2224 */
2225 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID) {
2226 if (karg.maxReplyBytes < ioc->reply_sz) {
2227 sz = min(karg.maxReplyBytes,
2228 4*ioc->ioctl_cmds.reply[2]);
2229 } else {
2230 sz = min(ioc->reply_sz, 4*ioc->ioctl_cmds.reply[2]);
2231 }
2232 if (sz > 0) {
2233 if (copy_to_user(karg.replyFrameBufPtr,
2234 ioc->ioctl_cmds.reply, sz)){
2235 printk(MYIOC_s_ERR_FMT
2236 "%s@%d::mptctl_do_mpt_command - "
2237 "Unable to write out reply frame %p\n",
2238 ioc->name, __FILE__, __LINE__, karg.replyFrameBufPtr);
2239 rc = -ENODATA;
2240 goto done_free_mem;
2241 }
2242 }
2243 }
2244
2245 /* If valid sense data, copy to user.
2246 */
2247 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_SENSE_VALID) {
2248 sz = min(karg.maxSenseBytes, MPT_SENSE_BUFFER_SIZE);
2249 if (sz > 0) {
2250 if (copy_to_user(karg.senseDataPtr,
2251 ioc->ioctl_cmds.sense, sz)) {
2252 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
2253 "Unable to write sense data to user %p\n",
2254 ioc->name, __FILE__, __LINE__,
2255 karg.senseDataPtr);
2256 rc = -ENODATA;
2257 goto done_free_mem;
2258 }
2259 }
2260 }
2261
2262 /* If the overall status is _GOOD and data in, copy data
2263 * to user.
2264 */
2265 if ((ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD) &&
2266 (karg.dataInSize > 0) && (bufIn.kptr)) {
2267
2268 if (copy_to_user(karg.dataInBufPtr,
2269 bufIn.kptr, karg.dataInSize)) {
2270 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - "
2271 "Unable to write data to user %p\n",
2272 ioc->name, __FILE__, __LINE__,
2273 karg.dataInBufPtr);
2274 rc = -ENODATA;
2275 }
2276 }
2277
2278done_free_mem:
2279
2280 CLEAR_MGMT_STATUS(ioc->ioctl_cmds.status)
2281 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 0);
2282
2283 /* Free the allocated memory.
2284 */
2285 if (bufOut.kptr != NULL) {
2286 pci_free_consistent(ioc->pcidev,
2287 bufOut.len, (void *) bufOut.kptr, dma_addr_out);
2288 }
2289
2290 if (bufIn.kptr != NULL) {
2291 pci_free_consistent(ioc->pcidev,
2292 bufIn.len, (void *) bufIn.kptr, dma_addr_in);
2293 }
2294
2295 /* mf is null if command issued successfully
2296 * otherwise, failure occurred after mf acquired.
2297 */
2298 if (mf)
2299 mpt_free_msg_frame(ioc, mf);
2300
2301 return rc;
2302}
2303
2304/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2305/* Prototype Routine for the HOST INFO command.
2306 *
2307 * Outputs: None.
2308 * Return: 0 if successful
2309 * -EFAULT if data unavailable
2310 * -EBUSY if previous command timeout and IOC reset is not complete.
2311 * -ENODEV if no such device/adapter
2312 * -ETIME if timer expires
2313 * -ENOMEM if memory allocation error
2314 */
2315static int
2316mptctl_hp_hostinfo(MPT_ADAPTER *ioc, unsigned long arg, unsigned int data_size)
2317{
2318 hp_host_info_t __user *uarg = (void __user *) arg;
2319 struct pci_dev *pdev;
2320 char *pbuf=NULL;
2321 dma_addr_t buf_dma;
2322 hp_host_info_t karg;
2323 CONFIGPARMS cfg;
2324 ConfigPageHeader_t hdr;
2325 int rc, cim_rev;
2326 ToolboxIstwiReadWriteRequest_t *IstwiRWRequest;
2327 MPT_FRAME_HDR *mf = NULL;
2328 unsigned long timeleft;
2329 int retval;
2330 u32 msgcontext;
2331
2332 /* Reset long to int. Should affect IA64 and SPARC only
2333 */
2334 if (data_size == sizeof(hp_host_info_t))
2335 cim_rev = 1;
2336 else if (data_size == sizeof(hp_host_info_rev0_t))
2337 cim_rev = 0; /* obsolete */
2338 else
2339 return -EFAULT;
2340
2341 if (copy_from_user(&karg, uarg, sizeof(hp_host_info_t))) {
2342 printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_host_info - "
2343 "Unable to read in hp_host_info struct @ %p\n",
2344 __FILE__, __LINE__, uarg);
2345 return -EFAULT;
2346 }
2347
2348 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": mptctl_hp_hostinfo called.\n",
2349 ioc->name));
2350
2351 /* Fill in the data and return the structure to the calling
2352 * program
2353 */
2354 pdev = (struct pci_dev *) ioc->pcidev;
2355
2356 karg.vendor = pdev->vendor;
2357 karg.device = pdev->device;
2358 karg.subsystem_id = pdev->subsystem_device;
2359 karg.subsystem_vendor = pdev->subsystem_vendor;
2360 karg.devfn = pdev->devfn;
2361 karg.bus = pdev->bus->number;
2362
2363 /* Save the SCSI host no. if
2364 * SCSI driver loaded
2365 */
2366 if (ioc->sh != NULL)
2367 karg.host_no = ioc->sh->host_no;
2368 else
2369 karg.host_no = -1;
2370
2371 /* Reformat the fw_version into a string */
2372 snprintf(karg.fw_version, sizeof(karg.fw_version),
2373 "%.2hhu.%.2hhu.%.2hhu.%.2hhu",
2374 ioc->facts.FWVersion.Struct.Major,
2375 ioc->facts.FWVersion.Struct.Minor,
2376 ioc->facts.FWVersion.Struct.Unit,
2377 ioc->facts.FWVersion.Struct.Dev);
2378
2379 /* Issue a config request to get the device serial number
2380 */
2381 hdr.PageVersion = 0;
2382 hdr.PageLength = 0;
2383 hdr.PageNumber = 0;
2384 hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING;
2385 cfg.cfghdr.hdr = &hdr;
2386 cfg.physAddr = -1;
2387 cfg.pageAddr = 0;
2388 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2389 cfg.dir = 0; /* read */
2390 cfg.timeout = 10;
2391
2392 strncpy(karg.serial_number, " ", 24);
2393 if (mpt_config(ioc, &cfg) == 0) {
2394 if (cfg.cfghdr.hdr->PageLength > 0) {
2395 /* Issue the second config page request */
2396 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2397
2398 pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma);
2399 if (pbuf) {
2400 cfg.physAddr = buf_dma;
2401 if (mpt_config(ioc, &cfg) == 0) {
2402 ManufacturingPage0_t *pdata = (ManufacturingPage0_t *) pbuf;
2403 if (strlen(pdata->BoardTracerNumber) > 1) {
2404 strlcpy(karg.serial_number,
2405 pdata->BoardTracerNumber, 24);
2406 }
2407 }
2408 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma);
2409 pbuf = NULL;
2410 }
2411 }
2412 }
2413 rc = mpt_GetIocState(ioc, 1);
2414 switch (rc) {
2415 case MPI_IOC_STATE_OPERATIONAL:
2416 karg.ioc_status = HP_STATUS_OK;
2417 break;
2418
2419 case MPI_IOC_STATE_FAULT:
2420 karg.ioc_status = HP_STATUS_FAILED;
2421 break;
2422
2423 case MPI_IOC_STATE_RESET:
2424 case MPI_IOC_STATE_READY:
2425 default:
2426 karg.ioc_status = HP_STATUS_OTHER;
2427 break;
2428 }
2429
2430 karg.base_io_addr = pci_resource_start(pdev, 0);
2431
2432 if ((ioc->bus_type == SAS) || (ioc->bus_type == FC))
2433 karg.bus_phys_width = HP_BUS_WIDTH_UNK;
2434 else
2435 karg.bus_phys_width = HP_BUS_WIDTH_16;
2436
2437 karg.hard_resets = 0;
2438 karg.soft_resets = 0;
2439 karg.timeouts = 0;
2440 if (ioc->sh != NULL) {
2441 MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
2442
2443 if (hd && (cim_rev == 1)) {
2444 karg.hard_resets = ioc->hard_resets;
2445 karg.soft_resets = ioc->soft_resets;
2446 karg.timeouts = ioc->timeouts;
2447 }
2448 }
2449
2450 /*
2451 * Gather ISTWI(Industry Standard Two Wire Interface) Data
2452 */
2453 if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) {
2454 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
2455 "%s, no msg frames!!\n", ioc->name, __func__));
2456 goto out;
2457 }
2458
2459 IstwiRWRequest = (ToolboxIstwiReadWriteRequest_t *)mf;
2460 msgcontext = IstwiRWRequest->MsgContext;
2461 memset(IstwiRWRequest,0,sizeof(ToolboxIstwiReadWriteRequest_t));
2462 IstwiRWRequest->MsgContext = msgcontext;
2463 IstwiRWRequest->Function = MPI_FUNCTION_TOOLBOX;
2464 IstwiRWRequest->Tool = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL;
2465 IstwiRWRequest->Flags = MPI_TB_ISTWI_FLAGS_READ;
2466 IstwiRWRequest->NumAddressBytes = 0x01;
2467 IstwiRWRequest->DataLength = cpu_to_le16(0x04);
2468 if (pdev->devfn & 1)
2469 IstwiRWRequest->DeviceAddr = 0xB2;
2470 else
2471 IstwiRWRequest->DeviceAddr = 0xB0;
2472
2473 pbuf = pci_alloc_consistent(ioc->pcidev, 4, &buf_dma);
2474 if (!pbuf)
2475 goto out;
2476 ioc->add_sge((char *)&IstwiRWRequest->SGL,
2477 (MPT_SGE_FLAGS_SSIMPLE_READ|4), buf_dma);
2478
2479 retval = 0;
2480 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context,
2481 IstwiRWRequest->MsgContext);
2482 INITIALIZE_MGMT_STATUS(ioc->ioctl_cmds.status)
2483 mpt_put_msg_frame(mptctl_id, ioc, mf);
2484
2485retry_wait:
2486 timeleft = wait_for_completion_timeout(&ioc->ioctl_cmds.done,
2487 HZ*MPT_IOCTL_DEFAULT_TIMEOUT);
2488 if (!(ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2489 retval = -ETIME;
2490 printk(MYIOC_s_WARN_FMT "%s: failed\n", ioc->name, __func__);
2491 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
2492 mpt_free_msg_frame(ioc, mf);
2493 goto out;
2494 }
2495 if (!timeleft) {
2496 printk(MYIOC_s_WARN_FMT
2497 "HOST INFO command timeout, doorbell=0x%08x\n",
2498 ioc->name, mpt_GetIocState(ioc, 0));
2499 mptctl_timeout_expired(ioc, mf);
2500 } else
2501 goto retry_wait;
2502 goto out;
2503 }
2504
2505 /*
2506 *ISTWI Data Definition
2507 * pbuf[0] = FW_VERSION = 0x4
2508 * pbuf[1] = Bay Count = 6 or 4 or 2, depending on
2509 * the config, you should be seeing one out of these three values
2510 * pbuf[2] = Drive Installed Map = bit pattern depend on which
2511 * bays have drives in them
2512 * pbuf[3] = Checksum (0x100 = (byte0 + byte2 + byte3)
2513 */
2514 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID)
2515 karg.rsvd = *(u32 *)pbuf;
2516
2517 out:
2518 CLEAR_MGMT_STATUS(ioc->ioctl_cmds.status)
2519 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 0);
2520
2521 if (pbuf)
2522 pci_free_consistent(ioc->pcidev, 4, pbuf, buf_dma);
2523
2524 /* Copy the data from kernel memory to user memory
2525 */
2526 if (copy_to_user((char __user *)arg, &karg, sizeof(hp_host_info_t))) {
2527 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hpgethostinfo - "
2528 "Unable to write out hp_host_info @ %p\n",
2529 ioc->name, __FILE__, __LINE__, uarg);
2530 return -EFAULT;
2531 }
2532
2533 return 0;
2534
2535}
2536
2537/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2538/* Prototype Routine for the TARGET INFO command.
2539 *
2540 * Outputs: None.
2541 * Return: 0 if successful
2542 * -EFAULT if data unavailable
2543 * -EBUSY if previous command timeout and IOC reset is not complete.
2544 * -ENODEV if no such device/adapter
2545 * -ETIME if timer expires
2546 * -ENOMEM if memory allocation error
2547 */
2548static int
2549mptctl_hp_targetinfo(MPT_ADAPTER *ioc, unsigned long arg)
2550{
2551 hp_target_info_t __user *uarg = (void __user *) arg;
2552 SCSIDevicePage0_t *pg0_alloc;
2553 SCSIDevicePage3_t *pg3_alloc;
2554 MPT_SCSI_HOST *hd = NULL;
2555 hp_target_info_t karg;
2556 int data_sz;
2557 dma_addr_t page_dma;
2558 CONFIGPARMS cfg;
2559 ConfigPageHeader_t hdr;
2560 int tmp, np, rc = 0;
2561
2562 if (copy_from_user(&karg, uarg, sizeof(hp_target_info_t))) {
2563 printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_targetinfo - "
2564 "Unable to read in hp_host_targetinfo struct @ %p\n",
2565 __FILE__, __LINE__, uarg);
2566 return -EFAULT;
2567 }
2568
2569 if (karg.hdr.id >= MPT_MAX_FC_DEVICES)
2570 return -EINVAL;
2571 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_hp_targetinfo called.\n",
2572 ioc->name));
2573
2574 /* There is nothing to do for FCP parts.
2575 */
2576 if ((ioc->bus_type == SAS) || (ioc->bus_type == FC))
2577 return 0;
2578
2579 if ((ioc->spi_data.sdp0length == 0) || (ioc->sh == NULL))
2580 return 0;
2581
2582 if (ioc->sh->host_no != karg.hdr.host)
2583 return -ENODEV;
2584
2585 /* Get the data transfer speeds
2586 */
2587 data_sz = ioc->spi_data.sdp0length * 4;
2588 pg0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma);
2589 if (pg0_alloc) {
2590 hdr.PageVersion = ioc->spi_data.sdp0version;
2591 hdr.PageLength = data_sz;
2592 hdr.PageNumber = 0;
2593 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
2594
2595 cfg.cfghdr.hdr = &hdr;
2596 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2597 cfg.dir = 0;
2598 cfg.timeout = 0;
2599 cfg.physAddr = page_dma;
2600
2601 cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id;
2602
2603 if ((rc = mpt_config(ioc, &cfg)) == 0) {
2604 np = le32_to_cpu(pg0_alloc->NegotiatedParameters);
2605 karg.negotiated_width = np & MPI_SCSIDEVPAGE0_NP_WIDE ?
2606 HP_BUS_WIDTH_16 : HP_BUS_WIDTH_8;
2607
2608 if (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) {
2609 tmp = (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> 8;
2610 if (tmp < 0x09)
2611 karg.negotiated_speed = HP_DEV_SPEED_ULTRA320;
2612 else if (tmp <= 0x09)
2613 karg.negotiated_speed = HP_DEV_SPEED_ULTRA160;
2614 else if (tmp <= 0x0A)
2615 karg.negotiated_speed = HP_DEV_SPEED_ULTRA2;
2616 else if (tmp <= 0x0C)
2617 karg.negotiated_speed = HP_DEV_SPEED_ULTRA;
2618 else if (tmp <= 0x25)
2619 karg.negotiated_speed = HP_DEV_SPEED_FAST;
2620 else
2621 karg.negotiated_speed = HP_DEV_SPEED_ASYNC;
2622 } else
2623 karg.negotiated_speed = HP_DEV_SPEED_ASYNC;
2624 }
2625
2626 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg0_alloc, page_dma);
2627 }
2628
2629 /* Set defaults
2630 */
2631 karg.message_rejects = -1;
2632 karg.phase_errors = -1;
2633 karg.parity_errors = -1;
2634 karg.select_timeouts = -1;
2635
2636 /* Get the target error parameters
2637 */
2638 hdr.PageVersion = 0;
2639 hdr.PageLength = 0;
2640 hdr.PageNumber = 3;
2641 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
2642
2643 cfg.cfghdr.hdr = &hdr;
2644 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
2645 cfg.dir = 0;
2646 cfg.timeout = 0;
2647 cfg.physAddr = -1;
2648 if ((mpt_config(ioc, &cfg) == 0) && (cfg.cfghdr.hdr->PageLength > 0)) {
2649 /* Issue the second config page request */
2650 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
2651 data_sz = (int) cfg.cfghdr.hdr->PageLength * 4;
2652 pg3_alloc = pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma);
2653 if (pg3_alloc) {
2654 cfg.physAddr = page_dma;
2655 cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id;
2656 if ((rc = mpt_config(ioc, &cfg)) == 0) {
2657 karg.message_rejects = (u32) le16_to_cpu(pg3_alloc->MsgRejectCount);
2658 karg.phase_errors = (u32) le16_to_cpu(pg3_alloc->PhaseErrorCount);
2659 karg.parity_errors = (u32) le16_to_cpu(pg3_alloc->ParityErrorCount);
2660 }
2661 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg3_alloc, page_dma);
2662 }
2663 }
2664 hd = shost_priv(ioc->sh);
2665 if (hd != NULL)
2666 karg.select_timeouts = hd->sel_timeout[karg.hdr.id];
2667
2668 /* Copy the data from kernel memory to user memory
2669 */
2670 if (copy_to_user((char __user *)arg, &karg, sizeof(hp_target_info_t))) {
2671 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hp_target_info - "
2672 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n",
2673 ioc->name, __FILE__, __LINE__, uarg);
2674 return -EFAULT;
2675 }
2676
2677 return 0;
2678}
2679
2680/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2681
2682static const struct file_operations mptctl_fops = {
2683 .owner = THIS_MODULE,
2684 .llseek = no_llseek,
2685 .fasync = mptctl_fasync,
2686 .unlocked_ioctl = mptctl_ioctl,
2687#ifdef CONFIG_COMPAT
2688 .compat_ioctl = compat_mpctl_ioctl,
2689#endif
2690};
2691
2692static struct miscdevice mptctl_miscdev = {
2693 MPT_MINOR,
2694 MYNAM,
2695 &mptctl_fops
2696};
2697
2698/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2699
2700#ifdef CONFIG_COMPAT
2701
2702static int
2703compat_mptfwxfer_ioctl(struct file *filp, unsigned int cmd,
2704 unsigned long arg)
2705{
2706 struct mpt_fw_xfer32 kfw32;
2707 struct mpt_fw_xfer kfw;
2708 MPT_ADAPTER *iocp = NULL;
2709 int iocnum, iocnumX;
2710 int nonblock = (filp->f_flags & O_NONBLOCK);
2711 int ret;
2712
2713
2714 if (copy_from_user(&kfw32, (char __user *)arg, sizeof(kfw32)))
2715 return -EFAULT;
2716
2717 /* Verify intended MPT adapter */
2718 iocnumX = kfw32.iocnum & 0xFF;
2719 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
2720 (iocp == NULL)) {
2721 printk(KERN_DEBUG MYNAM "::compat_mptfwxfer_ioctl @%d - ioc%d not found!\n",
2722 __LINE__, iocnumX);
2723 return -ENODEV;
2724 }
2725
2726 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
2727 return ret;
2728
2729 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mptfwxfer_ioctl() called\n",
2730 iocp->name));
2731 kfw.iocnum = iocnum;
2732 kfw.fwlen = kfw32.fwlen;
2733 kfw.bufp = compat_ptr(kfw32.bufp);
2734
2735 ret = mptctl_do_fw_download(iocp, kfw.bufp, kfw.fwlen);
2736
2737 mutex_unlock(&iocp->ioctl_cmds.mutex);
2738
2739 return ret;
2740}
2741
2742static int
2743compat_mpt_command(struct file *filp, unsigned int cmd,
2744 unsigned long arg)
2745{
2746 struct mpt_ioctl_command32 karg32;
2747 struct mpt_ioctl_command32 __user *uarg = (struct mpt_ioctl_command32 __user *) arg;
2748 struct mpt_ioctl_command karg;
2749 MPT_ADAPTER *iocp = NULL;
2750 int iocnum, iocnumX;
2751 int nonblock = (filp->f_flags & O_NONBLOCK);
2752 int ret;
2753
2754 if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32)))
2755 return -EFAULT;
2756
2757 /* Verify intended MPT adapter */
2758 iocnumX = karg32.hdr.iocnum & 0xFF;
2759 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) ||
2760 (iocp == NULL)) {
2761 printk(KERN_DEBUG MYNAM "::compat_mpt_command @%d - ioc%d not found!\n",
2762 __LINE__, iocnumX);
2763 return -ENODEV;
2764 }
2765
2766 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0)
2767 return ret;
2768
2769 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mpt_command() called\n",
2770 iocp->name));
2771 /* Copy data to karg */
2772 karg.hdr.iocnum = karg32.hdr.iocnum;
2773 karg.hdr.port = karg32.hdr.port;
2774 karg.timeout = karg32.timeout;
2775 karg.maxReplyBytes = karg32.maxReplyBytes;
2776
2777 karg.dataInSize = karg32.dataInSize;
2778 karg.dataOutSize = karg32.dataOutSize;
2779 karg.maxSenseBytes = karg32.maxSenseBytes;
2780 karg.dataSgeOffset = karg32.dataSgeOffset;
2781
2782 karg.replyFrameBufPtr = (char __user *)(unsigned long)karg32.replyFrameBufPtr;
2783 karg.dataInBufPtr = (char __user *)(unsigned long)karg32.dataInBufPtr;
2784 karg.dataOutBufPtr = (char __user *)(unsigned long)karg32.dataOutBufPtr;
2785 karg.senseDataPtr = (char __user *)(unsigned long)karg32.senseDataPtr;
2786
2787 /* Pass new structure to do_mpt_command
2788 */
2789 ret = mptctl_do_mpt_command (iocp, karg, &uarg->MF);
2790
2791 mutex_unlock(&iocp->ioctl_cmds.mutex);
2792
2793 return ret;
2794}
2795
2796static long compat_mpctl_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
2797{
2798 long ret;
2799 mutex_lock(&mpctl_mutex);
2800 switch (cmd) {
2801 case MPTIOCINFO:
2802 case MPTIOCINFO1:
2803 case MPTIOCINFO2:
2804 case MPTTARGETINFO:
2805 case MPTEVENTQUERY:
2806 case MPTEVENTENABLE:
2807 case MPTEVENTREPORT:
2808 case MPTHARDRESET:
2809 case HP_GETHOSTINFO:
2810 case HP_GETTARGETINFO:
2811 case MPTTEST:
2812 ret = __mptctl_ioctl(f, cmd, arg);
2813 break;
2814 case MPTCOMMAND32:
2815 ret = compat_mpt_command(f, cmd, arg);
2816 break;
2817 case MPTFWDOWNLOAD32:
2818 ret = compat_mptfwxfer_ioctl(f, cmd, arg);
2819 break;
2820 default:
2821 ret = -ENOIOCTLCMD;
2822 break;
2823 }
2824 mutex_unlock(&mpctl_mutex);
2825 return ret;
2826}
2827
2828#endif
2829
2830
2831/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2832/*
2833 * mptctl_probe - Installs ioctl devices per bus.
2834 * @pdev: Pointer to pci_dev structure
2835 *
2836 * Returns 0 for success, non-zero for failure.
2837 *
2838 */
2839
2840static int
2841mptctl_probe(struct pci_dev *pdev, const struct pci_device_id *id)
2842{
2843 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2844
2845 mutex_init(&ioc->ioctl_cmds.mutex);
2846 init_completion(&ioc->ioctl_cmds.done);
2847 return 0;
2848}
2849
2850/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2851/*
2852 * mptctl_remove - Removed ioctl devices
2853 * @pdev: Pointer to pci_dev structure
2854 *
2855 *
2856 */
2857static void
2858mptctl_remove(struct pci_dev *pdev)
2859{
2860}
2861
2862static struct mpt_pci_driver mptctl_driver = {
2863 .probe = mptctl_probe,
2864 .remove = mptctl_remove,
2865};
2866
2867/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2868static int __init mptctl_init(void)
2869{
2870 int err;
2871 int where = 1;
2872
2873 show_mptmod_ver(my_NAME, my_VERSION);
2874
2875 mpt_device_driver_register(&mptctl_driver, MPTCTL_DRIVER);
2876
2877 /* Register this device */
2878 err = misc_register(&mptctl_miscdev);
2879 if (err < 0) {
2880 printk(KERN_ERR MYNAM ": Can't register misc device [minor=%d].\n", MPT_MINOR);
2881 goto out_fail;
2882 }
2883 printk(KERN_INFO MYNAM ": Registered with Fusion MPT base driver\n");
2884 printk(KERN_INFO MYNAM ": /dev/%s @ (major,minor=%d,%d)\n",
2885 mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor);
2886
2887 /*
2888 * Install our handler
2889 */
2890 ++where;
2891 mptctl_id = mpt_register(mptctl_reply, MPTCTL_DRIVER,
2892 "mptctl_reply");
2893 if (!mptctl_id || mptctl_id >= MPT_MAX_PROTOCOL_DRIVERS) {
2894 printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n");
2895 misc_deregister(&mptctl_miscdev);
2896 err = -EBUSY;
2897 goto out_fail;
2898 }
2899
2900 mptctl_taskmgmt_id = mpt_register(mptctl_taskmgmt_reply, MPTCTL_DRIVER,
2901 "mptctl_taskmgmt_reply");
2902 if (!mptctl_taskmgmt_id || mptctl_taskmgmt_id >= MPT_MAX_PROTOCOL_DRIVERS) {
2903 printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n");
2904 mpt_deregister(mptctl_id);
2905 misc_deregister(&mptctl_miscdev);
2906 err = -EBUSY;
2907 goto out_fail;
2908 }
2909
2910 mpt_reset_register(mptctl_id, mptctl_ioc_reset);
2911 mpt_event_register(mptctl_id, mptctl_event_process);
2912
2913 return 0;
2914
2915out_fail:
2916
2917 mpt_device_driver_deregister(MPTCTL_DRIVER);
2918
2919 return err;
2920}
2921
2922/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2923static void mptctl_exit(void)
2924{
2925 misc_deregister(&mptctl_miscdev);
2926 printk(KERN_INFO MYNAM ": Deregistered /dev/%s @ (major,minor=%d,%d)\n",
2927 mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor);
2928
2929 /* De-register event handler from base module */
2930 mpt_event_deregister(mptctl_id);
2931
2932 /* De-register reset handler from base module */
2933 mpt_reset_deregister(mptctl_id);
2934
2935 /* De-register callback handler from base module */
2936 mpt_deregister(mptctl_taskmgmt_id);
2937 mpt_deregister(mptctl_id);
2938
2939 mpt_device_driver_deregister(MPTCTL_DRIVER);
2940
2941}
2942
2943/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2944
2945module_init(mptctl_init);
2946module_exit(mptctl_exit);