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Linux 2.6.33-rc6
[cris-mirror.git] / drivers / message / fusion / mptscsih.c
blob57752751712bb087127f8ab8ccbe1a38252d8bc5
1 /*
2 * linux/drivers/message/fusion/mptscsih.c
3 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
5 *
6 * Copyright (c) 1999-2008 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
8 *
9 */
10 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
11 /*
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; version 2 of the License.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 NO WARRANTY
22 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
23 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
24 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
25 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
26 solely responsible for determining the appropriateness of using and
27 distributing the Program and assumes all risks associated with its
28 exercise of rights under this Agreement, including but not limited to
29 the risks and costs of program errors, damage to or loss of data,
30 programs or equipment, and unavailability or interruption of operations.
31
32 DISCLAIMER OF LIABILITY
33 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
34 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
36 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
37 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
38 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
39 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
40
41 You should have received a copy of the GNU General Public License
42 along with this program; if not, write to the Free Software
43 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
44 */
45 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
46
47 #include <linux/module.h>
48 #include <linux/kernel.h>
49 #include <linux/init.h>
50 #include <linux/errno.h>
51 #include <linux/kdev_t.h>
52 #include <linux/blkdev.h>
53 #include <linux/delay.h> /* for mdelay */
54 #include <linux/interrupt.h> /* needed for in_interrupt() proto */
55 #include <linux/reboot.h> /* notifier code */
56 #include <linux/workqueue.h>
57
58 #include <scsi/scsi.h>
59 #include <scsi/scsi_cmnd.h>
60 #include <scsi/scsi_device.h>
61 #include <scsi/scsi_host.h>
62 #include <scsi/scsi_tcq.h>
63 #include <scsi/scsi_dbg.h>
64
65 #include "mptbase.h"
66 #include "mptscsih.h"
67 #include "lsi/mpi_log_sas.h"
68
69 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
70 #define my_NAME "Fusion MPT SCSI Host driver"
71 #define my_VERSION MPT_LINUX_VERSION_COMMON
72 #define MYNAM "mptscsih"
73
74 MODULE_AUTHOR(MODULEAUTHOR);
75 MODULE_DESCRIPTION(my_NAME);
76 MODULE_LICENSE("GPL");
77 MODULE_VERSION(my_VERSION);
78
79 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
80 /*
81 * Other private/forward protos...
82 */
83 struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
84 static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
85 static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
86 static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
87 int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
88 static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
89 int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
90
91 static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
92 SCSIIORequest_t *pReq, int req_idx);
93 static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
94 static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
95
96 int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
97 int lun, int ctx2abort, ulong timeout);
98
99 int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
100 int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
101
102 void
103 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
104 static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
105 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
106 int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
107 static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
108 static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
109
110 static int
111 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
112 SCSITaskMgmtReply_t *pScsiTmReply);
113 void mptscsih_remove(struct pci_dev *);
114 void mptscsih_shutdown(struct pci_dev *);
115 #ifdef CONFIG_PM
116 int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
117 int mptscsih_resume(struct pci_dev *pdev);
118 #endif
119
120 #define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE
121
122
123 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
124 /*
125 * mptscsih_getFreeChainBuffer - Function to get a free chain
126 * from the MPT_SCSI_HOST FreeChainQ.
127 * @ioc: Pointer to MPT_ADAPTER structure
128 * @req_idx: Index of the SCSI IO request frame. (output)
129 *
130 * return SUCCESS or FAILED
131 */
132 static inline int
133 mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
134 {
135 MPT_FRAME_HDR *chainBuf;
136 unsigned long flags;
137 int rc;
138 int chain_idx;
139
140 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
141 ioc->name));
142 spin_lock_irqsave(&ioc->FreeQlock, flags);
143 if (!list_empty(&ioc->FreeChainQ)) {
144 int offset;
145
146 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
147 u.frame.linkage.list);
148 list_del(&chainBuf->u.frame.linkage.list);
149 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
150 chain_idx = offset / ioc->req_sz;
151 rc = SUCCESS;
152 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
153 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
154 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
155 } else {
156 rc = FAILED;
157 chain_idx = MPT_HOST_NO_CHAIN;
158 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
159 ioc->name));
160 }
161 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
162
163 *retIndex = chain_idx;
164 return rc;
165 } /* mptscsih_getFreeChainBuffer() */
166
167 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
168 /*
169 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
170 * SCSIIORequest_t Message Frame.
171 * @ioc: Pointer to MPT_ADAPTER structure
172 * @SCpnt: Pointer to scsi_cmnd structure
173 * @pReq: Pointer to SCSIIORequest_t structure
174 *
175 * Returns ...
176 */
177 static int
178 mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
179 SCSIIORequest_t *pReq, int req_idx)
180 {
181 char *psge;
182 char *chainSge;
183 struct scatterlist *sg;
184 int frm_sz;
185 int sges_left, sg_done;
186 int chain_idx = MPT_HOST_NO_CHAIN;
187 int sgeOffset;
188 int numSgeSlots, numSgeThisFrame;
189 u32 sgflags, sgdir, thisxfer = 0;
190 int chain_dma_off = 0;
191 int newIndex;
192 int ii;
193 dma_addr_t v2;
194 u32 RequestNB;
195
196 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
197 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
198 sgdir = MPT_TRANSFER_HOST_TO_IOC;
199 } else {
200 sgdir = MPT_TRANSFER_IOC_TO_HOST;
201 }
202
203 psge = (char *) &pReq->SGL;
204 frm_sz = ioc->req_sz;
205
206 /* Map the data portion, if any.
207 * sges_left = 0 if no data transfer.
208 */
209 sges_left = scsi_dma_map(SCpnt);
210 if (sges_left < 0)
211 return FAILED;
212
213 /* Handle the SG case.
214 */
215 sg = scsi_sglist(SCpnt);
216 sg_done = 0;
217 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
218 chainSge = NULL;
219
220 /* Prior to entering this loop - the following must be set
221 * current MF: sgeOffset (bytes)
222 * chainSge (Null if original MF is not a chain buffer)
223 * sg_done (num SGE done for this MF)
224 */
225
226 nextSGEset:
227 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
228 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
229
230 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
231
232 /* Get first (num - 1) SG elements
233 * Skip any SG entries with a length of 0
234 * NOTE: at finish, sg and psge pointed to NEXT data/location positions
235 */
236 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
237 thisxfer = sg_dma_len(sg);
238 if (thisxfer == 0) {
239 /* Get next SG element from the OS */
240 sg = sg_next(sg);
241 sg_done++;
242 continue;
243 }
244
245 v2 = sg_dma_address(sg);
246 ioc->add_sge(psge, sgflags | thisxfer, v2);
247
248 /* Get next SG element from the OS */
249 sg = sg_next(sg);
250 psge += ioc->SGE_size;
251 sgeOffset += ioc->SGE_size;
252 sg_done++;
253 }
254
255 if (numSgeThisFrame == sges_left) {
256 /* Add last element, end of buffer and end of list flags.
257 */
258 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
259 MPT_SGE_FLAGS_END_OF_BUFFER |
260 MPT_SGE_FLAGS_END_OF_LIST;
261
262 /* Add last SGE and set termination flags.
263 * Note: Last SGE may have a length of 0 - which should be ok.
264 */
265 thisxfer = sg_dma_len(sg);
266
267 v2 = sg_dma_address(sg);
268 ioc->add_sge(psge, sgflags | thisxfer, v2);
269 sgeOffset += ioc->SGE_size;
270 sg_done++;
271
272 if (chainSge) {
273 /* The current buffer is a chain buffer,
274 * but there is not another one.
275 * Update the chain element
276 * Offset and Length fields.
277 */
278 ioc->add_chain((char *)chainSge, 0, sgeOffset,
279 ioc->ChainBufferDMA + chain_dma_off);
280 } else {
281 /* The current buffer is the original MF
282 * and there is no Chain buffer.
283 */
284 pReq->ChainOffset = 0;
285 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
286 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
287 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
288 ioc->RequestNB[req_idx] = RequestNB;
289 }
290 } else {
291 /* At least one chain buffer is needed.
292 * Complete the first MF
293 * - last SGE element, set the LastElement bit
294 * - set ChainOffset (words) for orig MF
295 * (OR finish previous MF chain buffer)
296 * - update MFStructPtr ChainIndex
297 * - Populate chain element
298 * Also
299 * Loop until done.
300 */
301
302 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
303 ioc->name, sg_done));
304
305 /* Set LAST_ELEMENT flag for last non-chain element
306 * in the buffer. Since psge points at the NEXT
307 * SGE element, go back one SGE element, update the flags
308 * and reset the pointer. (Note: sgflags & thisxfer are already
309 * set properly).
310 */
311 if (sg_done) {
312 u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
313 sgflags = le32_to_cpu(*ptmp);
314 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
315 *ptmp = cpu_to_le32(sgflags);
316 }
317
318 if (chainSge) {
319 /* The current buffer is a chain buffer.
320 * chainSge points to the previous Chain Element.
321 * Update its chain element Offset and Length (must
322 * include chain element size) fields.
323 * Old chain element is now complete.
324 */
325 u8 nextChain = (u8) (sgeOffset >> 2);
326 sgeOffset += ioc->SGE_size;
327 ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
328 ioc->ChainBufferDMA + chain_dma_off);
329 } else {
330 /* The original MF buffer requires a chain buffer -
331 * set the offset.
332 * Last element in this MF is a chain element.
333 */
334 pReq->ChainOffset = (u8) (sgeOffset >> 2);
335 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
336 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
337 ioc->RequestNB[req_idx] = RequestNB;
338 }
339
340 sges_left -= sg_done;
341
342
343 /* NOTE: psge points to the beginning of the chain element
344 * in current buffer. Get a chain buffer.
345 */
346 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
347 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
348 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
349 ioc->name, pReq->CDB[0], SCpnt));
350 return FAILED;
351 }
352
353 /* Update the tracking arrays.
354 * If chainSge == NULL, update ReqToChain, else ChainToChain
355 */
356 if (chainSge) {
357 ioc->ChainToChain[chain_idx] = newIndex;
358 } else {
359 ioc->ReqToChain[req_idx] = newIndex;
360 }
361 chain_idx = newIndex;
362 chain_dma_off = ioc->req_sz * chain_idx;
363
364 /* Populate the chainSGE for the current buffer.
365 * - Set chain buffer pointer to psge and fill
366 * out the Address and Flags fields.
367 */
368 chainSge = (char *) psge;
369 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
370 ioc->name, psge, req_idx));
371
372 /* Start the SGE for the next buffer
373 */
374 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
375 sgeOffset = 0;
376 sg_done = 0;
377
378 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
379 ioc->name, psge, chain_idx));
380
381 /* Start the SGE for the next buffer
382 */
383
384 goto nextSGEset;
385 }
386
387 return SUCCESS;
388 } /* mptscsih_AddSGE() */
389
390 static void
391 mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
392 U32 SlotStatus)
393 {
394 MPT_FRAME_HDR *mf;
395 SEPRequest_t *SEPMsg;
396
397 if (ioc->bus_type != SAS)
398 return;
399
400 /* Not supported for hidden raid components
401 */
402 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
403 return;
404
405 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
406 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
407 ioc->name,__func__));
408 return;
409 }
410
411 SEPMsg = (SEPRequest_t *)mf;
412 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
413 SEPMsg->Bus = vtarget->channel;
414 SEPMsg->TargetID = vtarget->id;
415 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
416 SEPMsg->SlotStatus = SlotStatus;
417 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
418 "Sending SEP cmd=%x channel=%d id=%d\n",
419 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
420 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
421 }
422
423 #ifdef CONFIG_FUSION_LOGGING
424 /**
425 * mptscsih_info_scsiio - debug print info on reply frame
426 * @ioc: Pointer to MPT_ADAPTER structure
427 * @sc: original scsi cmnd pointer
428 * @pScsiReply: Pointer to MPT reply frame
429 *
430 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
431 *
432 * Refer to lsi/mpi.h.
433 **/
434 static void
435 mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
436 {
437 char *desc = NULL;
438 char *desc1 = NULL;
439 u16 ioc_status;
440 u8 skey, asc, ascq;
441
442 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
443
444 switch (ioc_status) {
445
446 case MPI_IOCSTATUS_SUCCESS:
447 desc = "success";
448 break;
449 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
450 desc = "invalid bus";
451 break;
452 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
453 desc = "invalid target_id";
454 break;
455 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
456 desc = "device not there";
457 break;
458 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
459 desc = "data overrun";
460 break;
461 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
462 desc = "data underrun";
463 break;
464 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
465 desc = "I/O data error";
466 break;
467 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
468 desc = "protocol error";
469 break;
470 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
471 desc = "task terminated";
472 break;
473 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
474 desc = "residual mismatch";
475 break;
476 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
477 desc = "task management failed";
478 break;
479 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
480 desc = "IOC terminated";
481 break;
482 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
483 desc = "ext terminated";
484 break;
485 default:
486 desc = "";
487 break;
488 }
489
490 switch (pScsiReply->SCSIStatus)
491 {
492
493 case MPI_SCSI_STATUS_SUCCESS:
494 desc1 = "success";
495 break;
496 case MPI_SCSI_STATUS_CHECK_CONDITION:
497 desc1 = "check condition";
498 break;
499 case MPI_SCSI_STATUS_CONDITION_MET:
500 desc1 = "condition met";
501 break;
502 case MPI_SCSI_STATUS_BUSY:
503 desc1 = "busy";
504 break;
505 case MPI_SCSI_STATUS_INTERMEDIATE:
506 desc1 = "intermediate";
507 break;
508 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
509 desc1 = "intermediate condmet";
510 break;
511 case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
512 desc1 = "reservation conflict";
513 break;
514 case MPI_SCSI_STATUS_COMMAND_TERMINATED:
515 desc1 = "command terminated";
516 break;
517 case MPI_SCSI_STATUS_TASK_SET_FULL:
518 desc1 = "task set full";
519 break;
520 case MPI_SCSI_STATUS_ACA_ACTIVE:
521 desc1 = "aca active";
522 break;
523 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
524 desc1 = "fcpext device logged out";
525 break;
526 case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
527 desc1 = "fcpext no link";
528 break;
529 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
530 desc1 = "fcpext unassigned";
531 break;
532 default:
533 desc1 = "";
534 break;
535 }
536
537 scsi_print_command(sc);
538 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %d\n",
539 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
540 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
541 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
542 scsi_get_resid(sc));
543 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
544 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
545 le32_to_cpu(pScsiReply->TransferCount), sc->result);
546
547 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
548 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
549 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
550 pScsiReply->SCSIState);
551
552 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
553 skey = sc->sense_buffer[2] & 0x0F;
554 asc = sc->sense_buffer[12];
555 ascq = sc->sense_buffer[13];
556
557 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
558 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
559 }
560
561 /*
562 * Look for + dump FCP ResponseInfo[]!
563 */
564 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
565 pScsiReply->ResponseInfo)
566 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
567 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
568 }
569 #endif
570
571 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
572 /*
573 * mptscsih_io_done - Main SCSI IO callback routine registered to
574 * Fusion MPT (base) driver
575 * @ioc: Pointer to MPT_ADAPTER structure
576 * @mf: Pointer to original MPT request frame
577 * @r: Pointer to MPT reply frame (NULL if TurboReply)
578 *
579 * This routine is called from mpt.c::mpt_interrupt() at the completion
580 * of any SCSI IO request.
581 * This routine is registered with the Fusion MPT (base) driver at driver
582 * load/init time via the mpt_register() API call.
583 *
584 * Returns 1 indicating alloc'd request frame ptr should be freed.
585 */
586 int
587 mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
588 {
589 struct scsi_cmnd *sc;
590 MPT_SCSI_HOST *hd;
591 SCSIIORequest_t *pScsiReq;
592 SCSIIOReply_t *pScsiReply;
593 u16 req_idx, req_idx_MR;
594 VirtDevice *vdevice;
595 VirtTarget *vtarget;
596
597 hd = shost_priv(ioc->sh);
598 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
599 req_idx_MR = (mr != NULL) ?
600 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
601
602 /* Special case, where already freed message frame is received from
603 * Firmware. It happens with Resetting IOC.
604 * Return immediately. Do not care
605 */
606 if ((req_idx != req_idx_MR) ||
607 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
608 return 0;
609
610 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
611 if (sc == NULL) {
612 MPIHeader_t *hdr = (MPIHeader_t *)mf;
613
614 /* Remark: writeSDP1 will use the ScsiDoneCtx
615 * If a SCSI I/O cmd, device disabled by OS and
616 * completion done. Cannot touch sc struct. Just free mem.
617 */
618 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
619 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
620 ioc->name);
621
622 mptscsih_freeChainBuffers(ioc, req_idx);
623 return 1;
624 }
625
626 if ((unsigned char *)mf != sc->host_scribble) {
627 mptscsih_freeChainBuffers(ioc, req_idx);
628 return 1;
629 }
630
631 if (ioc->bus_type == SAS) {
632 VirtDevice *vdevice = sc->device->hostdata;
633
634 if (!vdevice || !vdevice->vtarget ||
635 vdevice->vtarget->deleted) {
636 sc->result = DID_NO_CONNECT << 16;
637 goto out;
638 }
639 }
640
641 sc->host_scribble = NULL;
642 sc->result = DID_OK << 16; /* Set default reply as OK */
643 pScsiReq = (SCSIIORequest_t *) mf;
644 pScsiReply = (SCSIIOReply_t *) mr;
645
646 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
647 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
648 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
649 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
650 }else{
651 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
652 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
653 ioc->name, mf, mr, sc, req_idx));
654 }
655
656 if (pScsiReply == NULL) {
657 /* special context reply handling */
658 ;
659 } else {
660 u32 xfer_cnt;
661 u16 status;
662 u8 scsi_state, scsi_status;
663 u32 log_info;
664
665 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
666 scsi_state = pScsiReply->SCSIState;
667 scsi_status = pScsiReply->SCSIStatus;
668 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
669 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
670 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
671
672 /*
673 * if we get a data underrun indication, yet no data was
674 * transferred and the SCSI status indicates that the
675 * command was never started, change the data underrun
676 * to success
677 */
678 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
679 (scsi_status == MPI_SCSI_STATUS_BUSY ||
680 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
681 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
682 status = MPI_IOCSTATUS_SUCCESS;
683 }
684
685 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
686 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
687
688 /*
689 * Look for + dump FCP ResponseInfo[]!
690 */
691 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
692 pScsiReply->ResponseInfo) {
693 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%d] "
694 "FCP_ResponseInfo=%08xh\n", ioc->name,
695 sc->device->host->host_no, sc->device->channel,
696 sc->device->id, sc->device->lun,
697 le32_to_cpu(pScsiReply->ResponseInfo));
698 }
699
700 switch(status) {
701 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
702 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
703 /* CHECKME!
704 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
705 * But not: DID_BUS_BUSY lest one risk
706 * killing interrupt handler:-(
707 */
708 sc->result = SAM_STAT_BUSY;
709 break;
710
711 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
712 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
713 sc->result = DID_BAD_TARGET << 16;
714 break;
715
716 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
717 /* Spoof to SCSI Selection Timeout! */
718 if (ioc->bus_type != FC)
719 sc->result = DID_NO_CONNECT << 16;
720 /* else fibre, just stall until rescan event */
721 else
722 sc->result = DID_REQUEUE << 16;
723
724 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
725 hd->sel_timeout[pScsiReq->TargetID]++;
726
727 vdevice = sc->device->hostdata;
728 if (!vdevice)
729 break;
730 vtarget = vdevice->vtarget;
731 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
732 mptscsih_issue_sep_command(ioc, vtarget,
733 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
734 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
735 }
736 break;
737
738 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
739 if ( ioc->bus_type == SAS ) {
740 u16 ioc_status = le16_to_cpu(pScsiReply->IOCStatus);
741 if (ioc_status & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
742 if ((log_info & SAS_LOGINFO_MASK)
743 == SAS_LOGINFO_NEXUS_LOSS) {
744 sc->result = (DID_BUS_BUSY << 16);
745 break;
746 }
747 }
748 } else if (ioc->bus_type == FC) {
749 /*
750 * The FC IOC may kill a request for variety of
751 * reasons, some of which may be recovered by a
752 * retry, some which are unlikely to be
753 * recovered. Return DID_ERROR instead of
754 * DID_RESET to permit retry of the command,
755 * just not an infinite number of them
756 */
757 sc->result = DID_ERROR << 16;
758 break;
759 }
760
761 /*
762 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
763 */
764
765 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
766 /* Linux handles an unsolicited DID_RESET better
767 * than an unsolicited DID_ABORT.
768 */
769 sc->result = DID_RESET << 16;
770
771 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
772 if (ioc->bus_type == FC)
773 sc->result = DID_ERROR << 16;
774 else
775 sc->result = DID_RESET << 16;
776 break;
777
778 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
779 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
780 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
781 sc->result=DID_SOFT_ERROR << 16;
782 else /* Sufficient data transfer occurred */
783 sc->result = (DID_OK << 16) | scsi_status;
784 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
785 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
786 ioc->name, sc->result, sc->device->channel, sc->device->id));
787 break;
788
789 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
790 /*
791 * Do upfront check for valid SenseData and give it
792 * precedence!
793 */
794 sc->result = (DID_OK << 16) | scsi_status;
795 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
796
797 /*
798 * For an Errata on LSI53C1030
799 * When the length of request data
800 * and transfer data are different
801 * with result of command (READ or VERIFY),
802 * DID_SOFT_ERROR is set.
803 */
804 if (ioc->bus_type == SPI) {
805 if (pScsiReq->CDB[0] == READ_6 ||
806 pScsiReq->CDB[0] == READ_10 ||
807 pScsiReq->CDB[0] == READ_12 ||
808 pScsiReq->CDB[0] == READ_16 ||
809 pScsiReq->CDB[0] == VERIFY ||
810 pScsiReq->CDB[0] == VERIFY_16) {
811 if (scsi_bufflen(sc) !=
812 xfer_cnt) {
813 sc->result =
814 DID_SOFT_ERROR << 16;
815 printk(KERN_WARNING "Errata"
816 "on LSI53C1030 occurred."
817 "sc->req_bufflen=0x%02x,"
818 "xfer_cnt=0x%02x\n",
819 scsi_bufflen(sc),
820 xfer_cnt);
821 }
822 }
823 }
824
825 if (xfer_cnt < sc->underflow) {
826 if (scsi_status == SAM_STAT_BUSY)
827 sc->result = SAM_STAT_BUSY;
828 else
829 sc->result = DID_SOFT_ERROR << 16;
830 }
831 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
832 /* What to do?
833 */
834 sc->result = DID_SOFT_ERROR << 16;
835 }
836 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
837 /* Not real sure here either... */
838 sc->result = DID_RESET << 16;
839 }
840 }
841
842
843 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
844 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
845 ioc->name, sc->underflow));
846 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
847 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
848
849 /* Report Queue Full
850 */
851 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
852 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
853
854 break;
855
856 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
857 scsi_set_resid(sc, 0);
858 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
859 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
860 sc->result = (DID_OK << 16) | scsi_status;
861 if (scsi_state == 0) {
862 ;
863 } else if (scsi_state &
864 MPI_SCSI_STATE_AUTOSENSE_VALID) {
865
866 /*
867 * For potential trouble on LSI53C1030.
868 * (date:2007.xx.)
869 * It is checked whether the length of
870 * request data is equal to
871 * the length of transfer and residual.
872 * MEDIUM_ERROR is set by incorrect data.
873 */
874 if ((ioc->bus_type == SPI) &&
875 (sc->sense_buffer[2] & 0x20)) {
876 u32 difftransfer;
877 difftransfer =
878 sc->sense_buffer[3] << 24 |
879 sc->sense_buffer[4] << 16 |
880 sc->sense_buffer[5] << 8 |
881 sc->sense_buffer[6];
882 if (((sc->sense_buffer[3] & 0x80) ==
883 0x80) && (scsi_bufflen(sc)
884 != xfer_cnt)) {
885 sc->sense_buffer[2] =
886 MEDIUM_ERROR;
887 sc->sense_buffer[12] = 0xff;
888 sc->sense_buffer[13] = 0xff;
889 printk(KERN_WARNING"Errata"
890 "on LSI53C1030 occurred."
891 "sc->req_bufflen=0x%02x,"
892 "xfer_cnt=0x%02x\n" ,
893 scsi_bufflen(sc),
894 xfer_cnt);
895 }
896 if (((sc->sense_buffer[3] & 0x80)
897 != 0x80) &&
898 (scsi_bufflen(sc) !=
899 xfer_cnt + difftransfer)) {
900 sc->sense_buffer[2] =
901 MEDIUM_ERROR;
902 sc->sense_buffer[12] = 0xff;
903 sc->sense_buffer[13] = 0xff;
904 printk(KERN_WARNING
905 "Errata on LSI53C1030 occurred"
906 "sc->req_bufflen=0x%02x,"
907 " xfer_cnt=0x%02x,"
908 "difftransfer=0x%02x\n",
909 scsi_bufflen(sc),
910 xfer_cnt,
911 difftransfer);
912 }
913 }
914
915 /*
916 * If running against circa 200003dd 909 MPT f/w,
917 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
918 * (QUEUE_FULL) returned from device! --> get 0x0000?128
919 * and with SenseBytes set to 0.
920 */
921 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
922 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
923
924 }
925 else if (scsi_state &
926 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
927 ) {
928 /*
929 * What to do?
930 */
931 sc->result = DID_SOFT_ERROR << 16;
932 }
933 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
934 /* Not real sure here either... */
935 sc->result = DID_RESET << 16;
936 }
937 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
938 /* Device Inq. data indicates that it supports
939 * QTags, but rejects QTag messages.
940 * This command completed OK.
941 *
942 * Not real sure here either so do nothing... */
943 }
944
945 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
946 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
947
948 /* Add handling of:
949 * Reservation Conflict, Busy,
950 * Command Terminated, CHECK
951 */
952 break;
953
954 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
955 sc->result = DID_SOFT_ERROR << 16;
956 break;
957
958 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
959 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
960 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
961 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
962 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
963 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
964 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
965 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
966 default:
967 /*
968 * What to do?
969 */
970 sc->result = DID_SOFT_ERROR << 16;
971 break;
972
973 } /* switch(status) */
974
975 #ifdef CONFIG_FUSION_LOGGING
976 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
977 mptscsih_info_scsiio(ioc, sc, pScsiReply);
978 #endif
979
980 } /* end of address reply case */
981 out:
982 /* Unmap the DMA buffers, if any. */
983 scsi_dma_unmap(sc);
984
985 sc->scsi_done(sc); /* Issue the command callback */
986
987 /* Free Chain buffers */
988 mptscsih_freeChainBuffers(ioc, req_idx);
989 return 1;
990 }
991
992 /*
993 * mptscsih_flush_running_cmds - For each command found, search
994 * Scsi_Host instance taskQ and reply to OS.
995 * Called only if recovering from a FW reload.
996 * @hd: Pointer to a SCSI HOST structure
997 *
998 * Returns: None.
999 *
1000 * Must be called while new I/Os are being queued.
1001 */
1002 static void
1003 mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1004 {
1005 MPT_ADAPTER *ioc = hd->ioc;
1006 struct scsi_cmnd *sc;
1007 SCSIIORequest_t *mf = NULL;
1008 int ii;
1009 int channel, id;
1010
1011 for (ii= 0; ii < ioc->req_depth; ii++) {
1012 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1013 if (!sc)
1014 continue;
1015 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1016 if (!mf)
1017 continue;
1018 channel = mf->Bus;
1019 id = mf->TargetID;
1020 mptscsih_freeChainBuffers(ioc, ii);
1021 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1022 if ((unsigned char *)mf != sc->host_scribble)
1023 continue;
1024 scsi_dma_unmap(sc);
1025 sc->result = DID_RESET << 16;
1026 sc->host_scribble = NULL;
1027 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1028 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1029 "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
1030 sc->scsi_done(sc);
1031 }
1032 }
1033
1034 /*
1035 * mptscsih_search_running_cmds - Delete any commands associated
1036 * with the specified target and lun. Function called only
1037 * when a lun is disable by mid-layer.
1038 * Do NOT access the referenced scsi_cmnd structure or
1039 * members. Will cause either a paging or NULL ptr error.
1040 * (BUT, BUT, BUT, the code does reference it! - mdr)
1041 * @hd: Pointer to a SCSI HOST structure
1042 * @vdevice: per device private data
1043 *
1044 * Returns: None.
1045 *
1046 * Called from slave_destroy.
1047 */
1048 static void
1049 mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1050 {
1051 SCSIIORequest_t *mf = NULL;
1052 int ii;
1053 struct scsi_cmnd *sc;
1054 struct scsi_lun lun;
1055 MPT_ADAPTER *ioc = hd->ioc;
1056 unsigned long flags;
1057
1058 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1059 for (ii = 0; ii < ioc->req_depth; ii++) {
1060 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
1061
1062 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1063 if (mf == NULL)
1064 continue;
1065 /* If the device is a hidden raid component, then its
1066 * expected that the mf->function will be RAID_SCSI_IO
1067 */
1068 if (vdevice->vtarget->tflags &
1069 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1070 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1071 continue;
1072
1073 int_to_scsilun(vdevice->lun, &lun);
1074 if ((mf->Bus != vdevice->vtarget->channel) ||
1075 (mf->TargetID != vdevice->vtarget->id) ||
1076 memcmp(lun.scsi_lun, mf->LUN, 8))
1077 continue;
1078
1079 if ((unsigned char *)mf != sc->host_scribble)
1080 continue;
1081 ioc->ScsiLookup[ii] = NULL;
1082 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1083 mptscsih_freeChainBuffers(ioc, ii);
1084 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1085 scsi_dma_unmap(sc);
1086 sc->host_scribble = NULL;
1087 sc->result = DID_NO_CONNECT << 16;
1088 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1089 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1090 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1091 vdevice->vtarget->channel, vdevice->vtarget->id,
1092 sc, mf, ii));
1093 sc->scsi_done(sc);
1094 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1095 }
1096 }
1097 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1098 return;
1099 }
1100
1101 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1102
1103 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1104 /*
1105 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
1106 * from a SCSI target device.
1107 * @sc: Pointer to scsi_cmnd structure
1108 * @pScsiReply: Pointer to SCSIIOReply_t
1109 * @pScsiReq: Pointer to original SCSI request
1110 *
1111 * This routine periodically reports QUEUE_FULL status returned from a
1112 * SCSI target device. It reports this to the console via kernel
1113 * printk() API call, not more than once every 10 seconds.
1114 */
1115 static void
1116 mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1117 {
1118 long time = jiffies;
1119 MPT_SCSI_HOST *hd;
1120 MPT_ADAPTER *ioc;
1121
1122 if (sc->device == NULL)
1123 return;
1124 if (sc->device->host == NULL)
1125 return;
1126 if ((hd = shost_priv(sc->device->host)) == NULL)
1127 return;
1128 ioc = hd->ioc;
1129 if (time - hd->last_queue_full > 10 * HZ) {
1130 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n",
1131 ioc->name, 0, sc->device->id, sc->device->lun));
1132 hd->last_queue_full = time;
1133 }
1134 }
1135
1136 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1137 /*
1138 * mptscsih_remove - Removed scsi devices
1139 * @pdev: Pointer to pci_dev structure
1140 *
1141 *
1142 */
1143 void
1144 mptscsih_remove(struct pci_dev *pdev)
1145 {
1146 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1147 struct Scsi_Host *host = ioc->sh;
1148 MPT_SCSI_HOST *hd;
1149 int sz1;
1150
1151 if(!host) {
1152 mpt_detach(pdev);
1153 return;
1154 }
1155
1156 scsi_remove_host(host);
1157
1158 if((hd = shost_priv(host)) == NULL)
1159 return;
1160
1161 mptscsih_shutdown(pdev);
1162
1163 sz1=0;
1164
1165 if (ioc->ScsiLookup != NULL) {
1166 sz1 = ioc->req_depth * sizeof(void *);
1167 kfree(ioc->ScsiLookup);
1168 ioc->ScsiLookup = NULL;
1169 }
1170
1171 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1172 "Free'd ScsiLookup (%d) memory\n",
1173 ioc->name, sz1));
1174
1175 kfree(hd->info_kbuf);
1176
1177 /* NULL the Scsi_Host pointer
1178 */
1179 ioc->sh = NULL;
1180
1181 scsi_host_put(host);
1182
1183 mpt_detach(pdev);
1184
1185 }
1186
1187 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1188 /*
1189 * mptscsih_shutdown - reboot notifier
1190 *
1191 */
1192 void
1193 mptscsih_shutdown(struct pci_dev *pdev)
1194 {
1195 }
1196
1197 #ifdef CONFIG_PM
1198 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1199 /*
1200 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1201 *
1202 *
1203 */
1204 int
1205 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1206 {
1207 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1208
1209 scsi_block_requests(ioc->sh);
1210 flush_scheduled_work();
1211 mptscsih_shutdown(pdev);
1212 return mpt_suspend(pdev,state);
1213 }
1214
1215 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1216 /*
1217 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1218 *
1219 *
1220 */
1221 int
1222 mptscsih_resume(struct pci_dev *pdev)
1223 {
1224 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1225 int rc;
1226
1227 rc = mpt_resume(pdev);
1228 scsi_unblock_requests(ioc->sh);
1229 return rc;
1230 }
1231
1232 #endif
1233
1234 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1235 /**
1236 * mptscsih_info - Return information about MPT adapter
1237 * @SChost: Pointer to Scsi_Host structure
1238 *
1239 * (linux scsi_host_template.info routine)
1240 *
1241 * Returns pointer to buffer where information was written.
1242 */
1243 const char *
1244 mptscsih_info(struct Scsi_Host *SChost)
1245 {
1246 MPT_SCSI_HOST *h;
1247 int size = 0;
1248
1249 h = shost_priv(SChost);
1250
1251 if (h) {
1252 if (h->info_kbuf == NULL)
1253 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1254 return h->info_kbuf;
1255 h->info_kbuf[0] = '\0';
1256
1257 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1258 h->info_kbuf[size-1] = '\0';
1259 }
1260
1261 return h->info_kbuf;
1262 }
1263
1264 struct info_str {
1265 char *buffer;
1266 int length;
1267 int offset;
1268 int pos;
1269 };
1270
1271 static void
1272 mptscsih_copy_mem_info(struct info_str *info, char *data, int len)
1273 {
1274 if (info->pos + len > info->length)
1275 len = info->length - info->pos;
1276
1277 if (info->pos + len < info->offset) {
1278 info->pos += len;
1279 return;
1280 }
1281
1282 if (info->pos < info->offset) {
1283 data += (info->offset - info->pos);
1284 len -= (info->offset - info->pos);
1285 }
1286
1287 if (len > 0) {
1288 memcpy(info->buffer + info->pos, data, len);
1289 info->pos += len;
1290 }
1291 }
1292
1293 static int
1294 mptscsih_copy_info(struct info_str *info, char *fmt, ...)
1295 {
1296 va_list args;
1297 char buf[81];
1298 int len;
1299
1300 va_start(args, fmt);
1301 len = vsprintf(buf, fmt, args);
1302 va_end(args);
1303
1304 mptscsih_copy_mem_info(info, buf, len);
1305 return len;
1306 }
1307
1308 static int
1309 mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len)
1310 {
1311 struct info_str info;
1312
1313 info.buffer = pbuf;
1314 info.length = len;
1315 info.offset = offset;
1316 info.pos = 0;
1317
1318 mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name);
1319 mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1320 mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts);
1321 mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth);
1322
1323 return ((info.pos > info.offset) ? info.pos - info.offset : 0);
1324 }
1325
1326 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1327 /**
1328 * mptscsih_proc_info - Return information about MPT adapter
1329 * @host: scsi host struct
1330 * @buffer: if write, user data; if read, buffer for user
1331 * @start: returns the buffer address
1332 * @offset: if write, 0; if read, the current offset into the buffer from
1333 * the previous read.
1334 * @length: if write, return length;
1335 * @func: write = 1; read = 0
1336 *
1337 * (linux scsi_host_template.info routine)
1338 */
1339 int
1340 mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
1341 int length, int func)
1342 {
1343 MPT_SCSI_HOST *hd = shost_priv(host);
1344 MPT_ADAPTER *ioc = hd->ioc;
1345 int size = 0;
1346
1347 if (func) {
1348 /*
1349 * write is not supported
1350 */
1351 } else {
1352 if (start)
1353 *start = buffer;
1354
1355 size = mptscsih_host_info(ioc, buffer, offset, length);
1356 }
1357
1358 return size;
1359 }
1360
1361 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1362 #define ADD_INDEX_LOG(req_ent) do { } while(0)
1363
1364 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1365 /**
1366 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1367 * @SCpnt: Pointer to scsi_cmnd structure
1368 * @done: Pointer SCSI mid-layer IO completion function
1369 *
1370 * (linux scsi_host_template.queuecommand routine)
1371 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1372 * from a linux scsi_cmnd request and send it to the IOC.
1373 *
1374 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1375 */
1376 int
1377 mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1378 {
1379 MPT_SCSI_HOST *hd;
1380 MPT_FRAME_HDR *mf;
1381 SCSIIORequest_t *pScsiReq;
1382 VirtDevice *vdevice = SCpnt->device->hostdata;
1383 u32 datalen;
1384 u32 scsictl;
1385 u32 scsidir;
1386 u32 cmd_len;
1387 int my_idx;
1388 int ii;
1389 MPT_ADAPTER *ioc;
1390
1391 hd = shost_priv(SCpnt->device->host);
1392 ioc = hd->ioc;
1393 SCpnt->scsi_done = done;
1394
1395 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n",
1396 ioc->name, SCpnt, done));
1397
1398 if (ioc->taskmgmt_quiesce_io) {
1399 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "qcmd: SCpnt=%p timeout + 60HZ\n",
1400 ioc->name, SCpnt));
1401 return SCSI_MLQUEUE_HOST_BUSY;
1402 }
1403
1404 /*
1405 * Put together a MPT SCSI request...
1406 */
1407 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1408 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1409 ioc->name));
1410 return SCSI_MLQUEUE_HOST_BUSY;
1411 }
1412
1413 pScsiReq = (SCSIIORequest_t *) mf;
1414
1415 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1416
1417 ADD_INDEX_LOG(my_idx);
1418
1419 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1420 * Seems we may receive a buffer (datalen>0) even when there
1421 * will be no data transfer! GRRRRR...
1422 */
1423 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1424 datalen = scsi_bufflen(SCpnt);
1425 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1426 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1427 datalen = scsi_bufflen(SCpnt);
1428 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1429 } else {
1430 datalen = 0;
1431 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1432 }
1433
1434 /* Default to untagged. Once a target structure has been allocated,
1435 * use the Inquiry data to determine if device supports tagged.
1436 */
1437 if (vdevice
1438 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
1439 && (SCpnt->device->tagged_supported)) {
1440 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1441 } else {
1442 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1443 }
1444
1445 /* Use the above information to set up the message frame
1446 */
1447 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1448 pScsiReq->Bus = vdevice->vtarget->channel;
1449 pScsiReq->ChainOffset = 0;
1450 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1451 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1452 else
1453 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1454 pScsiReq->CDBLength = SCpnt->cmd_len;
1455 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1456 pScsiReq->Reserved = 0;
1457 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1458 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1459 pScsiReq->Control = cpu_to_le32(scsictl);
1460
1461 /*
1462 * Write SCSI CDB into the message
1463 */
1464 cmd_len = SCpnt->cmd_len;
1465 for (ii=0; ii < cmd_len; ii++)
1466 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1467
1468 for (ii=cmd_len; ii < 16; ii++)
1469 pScsiReq->CDB[ii] = 0;
1470
1471 /* DataLength */
1472 pScsiReq->DataLength = cpu_to_le32(datalen);
1473
1474 /* SenseBuffer low address */
1475 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1476 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1477
1478 /* Now add the SG list
1479 * Always have a SGE even if null length.
1480 */
1481 if (datalen == 0) {
1482 /* Add a NULL SGE */
1483 ioc->add_sge((char *)&pScsiReq->SGL,
1484 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1485 (dma_addr_t) -1);
1486 } else {
1487 /* Add a 32 or 64 bit SGE */
1488 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1489 goto fail;
1490 }
1491
1492 SCpnt->host_scribble = (unsigned char *)mf;
1493 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1494
1495 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1496 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1497 ioc->name, SCpnt, mf, my_idx));
1498 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1499 return 0;
1500
1501 fail:
1502 mptscsih_freeChainBuffers(ioc, my_idx);
1503 mpt_free_msg_frame(ioc, mf);
1504 return SCSI_MLQUEUE_HOST_BUSY;
1505 }
1506
1507 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1508 /*
1509 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1510 * with a SCSI IO request
1511 * @hd: Pointer to the MPT_SCSI_HOST instance
1512 * @req_idx: Index of the SCSI IO request frame.
1513 *
1514 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1515 * No return.
1516 */
1517 static void
1518 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1519 {
1520 MPT_FRAME_HDR *chain;
1521 unsigned long flags;
1522 int chain_idx;
1523 int next;
1524
1525 /* Get the first chain index and reset
1526 * tracker state.
1527 */
1528 chain_idx = ioc->ReqToChain[req_idx];
1529 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1530
1531 while (chain_idx != MPT_HOST_NO_CHAIN) {
1532
1533 /* Save the next chain buffer index */
1534 next = ioc->ChainToChain[chain_idx];
1535
1536 /* Free this chain buffer and reset
1537 * tracker
1538 */
1539 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1540
1541 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1542 + (chain_idx * ioc->req_sz));
1543
1544 spin_lock_irqsave(&ioc->FreeQlock, flags);
1545 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1546 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1547
1548 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1549 ioc->name, chain_idx));
1550
1551 /* handle next */
1552 chain_idx = next;
1553 }
1554 return;
1555 }
1556
1557 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1558 /*
1559 * Reset Handling
1560 */
1561
1562 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1563 /**
1564 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1565 * @hd: Pointer to MPT_SCSI_HOST structure
1566 * @type: Task Management type
1567 * @channel: channel number for task management
1568 * @id: Logical Target ID for reset (if appropriate)
1569 * @lun: Logical Unit for reset (if appropriate)
1570 * @ctx2abort: Context for the task to be aborted (if appropriate)
1571 * @timeout: timeout for task management control
1572 *
1573 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1574 * or a non-interrupt thread. In the former, must not call schedule().
1575 *
1576 * Not all fields are meaningfull for all task types.
1577 *
1578 * Returns 0 for SUCCESS, or FAILED.
1579 *
1580 **/
1581 int
1582 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun,
1583 int ctx2abort, ulong timeout)
1584 {
1585 MPT_FRAME_HDR *mf;
1586 SCSITaskMgmt_t *pScsiTm;
1587 int ii;
1588 int retval;
1589 MPT_ADAPTER *ioc = hd->ioc;
1590 unsigned long timeleft;
1591 u8 issue_hard_reset;
1592 u32 ioc_raw_state;
1593 unsigned long time_count;
1594
1595 issue_hard_reset = 0;
1596 ioc_raw_state = mpt_GetIocState(ioc, 0);
1597
1598 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1599 printk(MYIOC_s_WARN_FMT
1600 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1601 ioc->name, type, ioc_raw_state);
1602 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1603 ioc->name, __func__);
1604 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1605 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1606 "FAILED!!\n", ioc->name);
1607 return 0;
1608 }
1609
1610 if (ioc_raw_state & MPI_DOORBELL_ACTIVE) {
1611 printk(MYIOC_s_WARN_FMT
1612 "TaskMgmt type=%x: ioc_state: "
1613 "DOORBELL_ACTIVE (0x%x)!\n",
1614 ioc->name, type, ioc_raw_state);
1615 return FAILED;
1616 }
1617
1618 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1619 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1620 mf = NULL;
1621 retval = FAILED;
1622 goto out;
1623 }
1624
1625 /* Return Fail to calling function if no message frames available.
1626 */
1627 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1628 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1629 "TaskMgmt no msg frames!!\n", ioc->name));
1630 retval = FAILED;
1631 mpt_clear_taskmgmt_in_progress_flag(ioc);
1632 goto out;
1633 }
1634 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1635 ioc->name, mf));
1636
1637 /* Format the Request
1638 */
1639 pScsiTm = (SCSITaskMgmt_t *) mf;
1640 pScsiTm->TargetID = id;
1641 pScsiTm->Bus = channel;
1642 pScsiTm->ChainOffset = 0;
1643 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1644
1645 pScsiTm->Reserved = 0;
1646 pScsiTm->TaskType = type;
1647 pScsiTm->Reserved1 = 0;
1648 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1649 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1650
1651 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1652
1653 for (ii=0; ii < 7; ii++)
1654 pScsiTm->Reserved2[ii] = 0;
1655
1656 pScsiTm->TaskMsgContext = ctx2abort;
1657
1658 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1659 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1660 type, timeout));
1661
1662 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1663
1664 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1665 time_count = jiffies;
1666 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1667 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1668 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1669 else {
1670 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1671 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1672 if (retval) {
1673 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1674 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1675 ioc->name, mf, retval));
1676 mpt_free_msg_frame(ioc, mf);
1677 mpt_clear_taskmgmt_in_progress_flag(ioc);
1678 goto out;
1679 }
1680 }
1681
1682 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1683 timeout*HZ);
1684 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1685 retval = FAILED;
1686 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1687 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1688 mpt_clear_taskmgmt_in_progress_flag(ioc);
1689 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1690 goto out;
1691 issue_hard_reset = 1;
1692 goto out;
1693 }
1694
1695 retval = mptscsih_taskmgmt_reply(ioc, type,
1696 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1697
1698 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1699 "TaskMgmt completed (%d seconds)\n",
1700 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1701
1702 out:
1703
1704 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1705 if (issue_hard_reset) {
1706 printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
1707 ioc->name, __func__);
1708 retval = mpt_HardResetHandler(ioc, CAN_SLEEP);
1709 mpt_free_msg_frame(ioc, mf);
1710 }
1711
1712 retval = (retval == 0) ? 0 : FAILED;
1713 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1714 return retval;
1715 }
1716 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1717
1718 static int
1719 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1720 {
1721 switch (ioc->bus_type) {
1722 case FC:
1723 return 40;
1724 case SAS:
1725 case SPI:
1726 default:
1727 return 10;
1728 }
1729 }
1730
1731 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1732 /**
1733 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1734 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1735 *
1736 * (linux scsi_host_template.eh_abort_handler routine)
1737 *
1738 * Returns SUCCESS or FAILED.
1739 **/
1740 int
1741 mptscsih_abort(struct scsi_cmnd * SCpnt)
1742 {
1743 MPT_SCSI_HOST *hd;
1744 MPT_FRAME_HDR *mf;
1745 u32 ctx2abort;
1746 int scpnt_idx;
1747 int retval;
1748 VirtDevice *vdevice;
1749 ulong sn = SCpnt->serial_number;
1750 MPT_ADAPTER *ioc;
1751
1752 /* If we can't locate our host adapter structure, return FAILED status.
1753 */
1754 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1755 SCpnt->result = DID_RESET << 16;
1756 SCpnt->scsi_done(SCpnt);
1757 printk(KERN_ERR MYNAM ": task abort: "
1758 "can't locate host! (sc=%p)\n", SCpnt);
1759 return FAILED;
1760 }
1761
1762 ioc = hd->ioc;
1763 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1764 ioc->name, SCpnt);
1765 scsi_print_command(SCpnt);
1766
1767 vdevice = SCpnt->device->hostdata;
1768 if (!vdevice || !vdevice->vtarget) {
1769 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1770 "task abort: device has been deleted (sc=%p)\n",
1771 ioc->name, SCpnt));
1772 SCpnt->result = DID_NO_CONNECT << 16;
1773 SCpnt->scsi_done(SCpnt);
1774 retval = 0;
1775 goto out;
1776 }
1777
1778 /* Task aborts are not supported for hidden raid components.
1779 */
1780 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1781 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1782 "task abort: hidden raid component (sc=%p)\n",
1783 ioc->name, SCpnt));
1784 SCpnt->result = DID_RESET << 16;
1785 retval = FAILED;
1786 goto out;
1787 }
1788
1789 /* Find this command
1790 */
1791 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1792 /* Cmd not found in ScsiLookup.
1793 * Do OS callback.
1794 */
1795 SCpnt->result = DID_RESET << 16;
1796 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1797 "Command not in the active list! (sc=%p)\n", ioc->name,
1798 SCpnt));
1799 retval = 0;
1800 goto out;
1801 }
1802
1803 if (ioc->timeouts < -1)
1804 ioc->timeouts++;
1805
1806 if (mpt_fwfault_debug)
1807 mpt_halt_firmware(ioc);
1808
1809 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1810 * (the IO to be ABORT'd)
1811 *
1812 * NOTE: Since we do not byteswap MsgContext, we do not
1813 * swap it here either. It is an opaque cookie to
1814 * the controller, so it does not matter. -DaveM
1815 */
1816 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1817 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1818 retval = mptscsih_IssueTaskMgmt(hd,
1819 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1820 vdevice->vtarget->channel,
1821 vdevice->vtarget->id, vdevice->lun,
1822 ctx2abort, mptscsih_get_tm_timeout(ioc));
1823
1824 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx &&
1825 SCpnt->serial_number == sn) {
1826 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1827 "task abort: command still in active list! (sc=%p)\n",
1828 ioc->name, SCpnt));
1829 retval = FAILED;
1830 } else {
1831 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1832 "task abort: command cleared from active list! (sc=%p)\n",
1833 ioc->name, SCpnt));
1834 retval = SUCCESS;
1835 }
1836
1837 out:
1838 printk(MYIOC_s_INFO_FMT "task abort: %s (sc=%p)\n",
1839 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), SCpnt);
1840
1841 return retval;
1842 }
1843
1844 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1845 /**
1846 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1847 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1848 *
1849 * (linux scsi_host_template.eh_dev_reset_handler routine)
1850 *
1851 * Returns SUCCESS or FAILED.
1852 **/
1853 int
1854 mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1855 {
1856 MPT_SCSI_HOST *hd;
1857 int retval;
1858 VirtDevice *vdevice;
1859 MPT_ADAPTER *ioc;
1860
1861 /* If we can't locate our host adapter structure, return FAILED status.
1862 */
1863 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1864 printk(KERN_ERR MYNAM ": target reset: "
1865 "Can't locate host! (sc=%p)\n", SCpnt);
1866 return FAILED;
1867 }
1868
1869 ioc = hd->ioc;
1870 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1871 ioc->name, SCpnt);
1872 scsi_print_command(SCpnt);
1873
1874 vdevice = SCpnt->device->hostdata;
1875 if (!vdevice || !vdevice->vtarget) {
1876 retval = SUCCESS;
1877 goto out;
1878 }
1879
1880 /* Target reset to hidden raid component is not supported
1881 */
1882 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1883 retval = FAILED;
1884 goto out;
1885 }
1886
1887 retval = mptscsih_IssueTaskMgmt(hd,
1888 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1889 vdevice->vtarget->channel,
1890 vdevice->vtarget->id, 0, 0,
1891 mptscsih_get_tm_timeout(ioc));
1892
1893 out:
1894 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1895 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1896
1897 if (retval == 0)
1898 return SUCCESS;
1899 else
1900 return FAILED;
1901 }
1902
1903
1904 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1905 /**
1906 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1907 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1908 *
1909 * (linux scsi_host_template.eh_bus_reset_handler routine)
1910 *
1911 * Returns SUCCESS or FAILED.
1912 **/
1913 int
1914 mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1915 {
1916 MPT_SCSI_HOST *hd;
1917 int retval;
1918 VirtDevice *vdevice;
1919 MPT_ADAPTER *ioc;
1920
1921 /* If we can't locate our host adapter structure, return FAILED status.
1922 */
1923 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1924 printk(KERN_ERR MYNAM ": bus reset: "
1925 "Can't locate host! (sc=%p)\n", SCpnt);
1926 return FAILED;
1927 }
1928
1929 ioc = hd->ioc;
1930 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1931 ioc->name, SCpnt);
1932 scsi_print_command(SCpnt);
1933
1934 if (ioc->timeouts < -1)
1935 ioc->timeouts++;
1936
1937 vdevice = SCpnt->device->hostdata;
1938 if (!vdevice || !vdevice->vtarget)
1939 return SUCCESS;
1940 retval = mptscsih_IssueTaskMgmt(hd,
1941 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1942 vdevice->vtarget->channel, 0, 0, 0,
1943 mptscsih_get_tm_timeout(ioc));
1944
1945 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1946 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1947
1948 if (retval == 0)
1949 return SUCCESS;
1950 else
1951 return FAILED;
1952 }
1953
1954 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1955 /**
1956 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1957 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1958 *
1959 * (linux scsi_host_template.eh_host_reset_handler routine)
1960 *
1961 * Returns SUCCESS or FAILED.
1962 */
1963 int
1964 mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1965 {
1966 MPT_SCSI_HOST * hd;
1967 int status = SUCCESS;
1968 MPT_ADAPTER *ioc;
1969 int retval;
1970
1971 /* If we can't locate the host to reset, then we failed. */
1972 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1973 printk(KERN_ERR MYNAM ": host reset: "
1974 "Can't locate host! (sc=%p)\n", SCpnt);
1975 return FAILED;
1976 }
1977
1978 /* make sure we have no outstanding commands at this stage */
1979 mptscsih_flush_running_cmds(hd);
1980
1981 ioc = hd->ioc;
1982 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1983 ioc->name, SCpnt);
1984
1985 /* If our attempts to reset the host failed, then return a failed
1986 * status. The host will be taken off line by the SCSI mid-layer.
1987 */
1988 retval = mpt_HardResetHandler(ioc, CAN_SLEEP);
1989 if (retval < 0)
1990 status = FAILED;
1991 else
1992 status = SUCCESS;
1993
1994 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1995 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1996
1997 return status;
1998 }
1999
2000 static int
2001 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
2002 SCSITaskMgmtReply_t *pScsiTmReply)
2003 {
2004 u16 iocstatus;
2005 u32 termination_count;
2006 int retval;
2007
2008 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
2009 retval = FAILED;
2010 goto out;
2011 }
2012
2013 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
2014
2015 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2016 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
2017
2018 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2019 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
2020 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
2021 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
2022 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
2023 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
2024 termination_count));
2025
2026 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
2027 pScsiTmReply->ResponseCode)
2028 mptscsih_taskmgmt_response_code(ioc,
2029 pScsiTmReply->ResponseCode);
2030
2031 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
2032 retval = 0;
2033 goto out;
2034 }
2035
2036 retval = FAILED;
2037 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
2038 if (termination_count == 1)
2039 retval = 0;
2040 goto out;
2041 }
2042
2043 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
2044 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2045 retval = 0;
2046
2047 out:
2048 return retval;
2049 }
2050
2051 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2052 void
2053 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2054 {
2055 char *desc;
2056
2057 switch (response_code) {
2058 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2059 desc = "The task completed.";
2060 break;
2061 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2062 desc = "The IOC received an invalid frame status.";
2063 break;
2064 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2065 desc = "The task type is not supported.";
2066 break;
2067 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2068 desc = "The requested task failed.";
2069 break;
2070 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2071 desc = "The task completed successfully.";
2072 break;
2073 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2074 desc = "The LUN request is invalid.";
2075 break;
2076 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2077 desc = "The task is in the IOC queue and has not been sent to target.";
2078 break;
2079 default:
2080 desc = "unknown";
2081 break;
2082 }
2083 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2084 ioc->name, response_code, desc);
2085 }
2086 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2087
2088 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2089 /**
2090 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2091 * @ioc: Pointer to MPT_ADAPTER structure
2092 * @mf: Pointer to SCSI task mgmt request frame
2093 * @mr: Pointer to SCSI task mgmt reply frame
2094 *
2095 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2096 * of any SCSI task management request.
2097 * This routine is registered with the MPT (base) driver at driver
2098 * load/init time via the mpt_register() API call.
2099 *
2100 * Returns 1 indicating alloc'd request frame ptr should be freed.
2101 **/
2102 int
2103 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2104 MPT_FRAME_HDR *mr)
2105 {
2106 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2107 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2108
2109 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2110
2111 if (!mr)
2112 goto out;
2113
2114 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2115 memcpy(ioc->taskmgmt_cmds.reply, mr,
2116 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2117 out:
2118 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2119 mpt_clear_taskmgmt_in_progress_flag(ioc);
2120 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2121 complete(&ioc->taskmgmt_cmds.done);
2122 return 1;
2123 }
2124 return 0;
2125 }
2126
2127 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2128 /*
2129 * This is anyones guess quite frankly.
2130 */
2131 int
2132 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2133 sector_t capacity, int geom[])
2134 {
2135 int heads;
2136 int sectors;
2137 sector_t cylinders;
2138 ulong dummy;
2139
2140 heads = 64;
2141 sectors = 32;
2142
2143 dummy = heads * sectors;
2144 cylinders = capacity;
2145 sector_div(cylinders,dummy);
2146
2147 /*
2148 * Handle extended translation size for logical drives
2149 * > 1Gb
2150 */
2151 if ((ulong)capacity >= 0x200000) {
2152 heads = 255;
2153 sectors = 63;
2154 dummy = heads * sectors;
2155 cylinders = capacity;
2156 sector_div(cylinders,dummy);
2157 }
2158
2159 /* return result */
2160 geom[0] = heads;
2161 geom[1] = sectors;
2162 geom[2] = cylinders;
2163
2164 return 0;
2165 }
2166
2167 /* Search IOC page 3 to determine if this is hidden physical disk
2168 *
2169 */
2170 int
2171 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2172 {
2173 struct inactive_raid_component_info *component_info;
2174 int i, j;
2175 RaidPhysDiskPage1_t *phys_disk;
2176 int rc = 0;
2177 int num_paths;
2178
2179 if (!ioc->raid_data.pIocPg3)
2180 goto out;
2181 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2182 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2183 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2184 rc = 1;
2185 goto out;
2186 }
2187 }
2188
2189 if (ioc->bus_type != SAS)
2190 goto out;
2191
2192 /*
2193 * Check if dual path
2194 */
2195 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2196 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2197 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2198 if (num_paths < 2)
2199 continue;
2200 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2201 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2202 if (!phys_disk)
2203 continue;
2204 if ((mpt_raid_phys_disk_pg1(ioc,
2205 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2206 phys_disk))) {
2207 kfree(phys_disk);
2208 continue;
2209 }
2210 for (j = 0; j < num_paths; j++) {
2211 if ((phys_disk->Path[j].Flags &
2212 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2213 continue;
2214 if ((phys_disk->Path[j].Flags &
2215 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2216 continue;
2217 if ((id == phys_disk->Path[j].PhysDiskID) &&
2218 (channel == phys_disk->Path[j].PhysDiskBus)) {
2219 rc = 1;
2220 kfree(phys_disk);
2221 goto out;
2222 }
2223 }
2224 kfree(phys_disk);
2225 }
2226
2227
2228 /*
2229 * Check inactive list for matching phys disks
2230 */
2231 if (list_empty(&ioc->raid_data.inactive_list))
2232 goto out;
2233
2234 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2235 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2236 list) {
2237 if ((component_info->d.PhysDiskID == id) &&
2238 (component_info->d.PhysDiskBus == channel))
2239 rc = 1;
2240 }
2241 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2242
2243 out:
2244 return rc;
2245 }
2246 EXPORT_SYMBOL(mptscsih_is_phys_disk);
2247
2248 u8
2249 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2250 {
2251 struct inactive_raid_component_info *component_info;
2252 int i, j;
2253 RaidPhysDiskPage1_t *phys_disk;
2254 int rc = -ENXIO;
2255 int num_paths;
2256
2257 if (!ioc->raid_data.pIocPg3)
2258 goto out;
2259 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2260 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2261 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2262 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2263 goto out;
2264 }
2265 }
2266
2267 if (ioc->bus_type != SAS)
2268 goto out;
2269
2270 /*
2271 * Check if dual path
2272 */
2273 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2274 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2275 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2276 if (num_paths < 2)
2277 continue;
2278 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2279 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2280 if (!phys_disk)
2281 continue;
2282 if ((mpt_raid_phys_disk_pg1(ioc,
2283 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2284 phys_disk))) {
2285 kfree(phys_disk);
2286 continue;
2287 }
2288 for (j = 0; j < num_paths; j++) {
2289 if ((phys_disk->Path[j].Flags &
2290 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2291 continue;
2292 if ((phys_disk->Path[j].Flags &
2293 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2294 continue;
2295 if ((id == phys_disk->Path[j].PhysDiskID) &&
2296 (channel == phys_disk->Path[j].PhysDiskBus)) {
2297 rc = phys_disk->PhysDiskNum;
2298 kfree(phys_disk);
2299 goto out;
2300 }
2301 }
2302 kfree(phys_disk);
2303 }
2304
2305 /*
2306 * Check inactive list for matching phys disks
2307 */
2308 if (list_empty(&ioc->raid_data.inactive_list))
2309 goto out;
2310
2311 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2312 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2313 list) {
2314 if ((component_info->d.PhysDiskID == id) &&
2315 (component_info->d.PhysDiskBus == channel))
2316 rc = component_info->d.PhysDiskNum;
2317 }
2318 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2319
2320 out:
2321 return rc;
2322 }
2323 EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2324
2325 /*
2326 * OS entry point to allow for host driver to free allocated memory
2327 * Called if no device present or device being unloaded
2328 */
2329 void
2330 mptscsih_slave_destroy(struct scsi_device *sdev)
2331 {
2332 struct Scsi_Host *host = sdev->host;
2333 MPT_SCSI_HOST *hd = shost_priv(host);
2334 VirtTarget *vtarget;
2335 VirtDevice *vdevice;
2336 struct scsi_target *starget;
2337
2338 starget = scsi_target(sdev);
2339 vtarget = starget->hostdata;
2340 vdevice = sdev->hostdata;
2341
2342 mptscsih_search_running_cmds(hd, vdevice);
2343 vtarget->num_luns--;
2344 mptscsih_synchronize_cache(hd, vdevice);
2345 kfree(vdevice);
2346 sdev->hostdata = NULL;
2347 }
2348
2349 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2350 /*
2351 * mptscsih_change_queue_depth - This function will set a devices queue depth
2352 * @sdev: per scsi_device pointer
2353 * @qdepth: requested queue depth
2354 * @reason: calling context
2355 *
2356 * Adding support for new 'change_queue_depth' api.
2357 */
2358 int
2359 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
2360 {
2361 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2362 VirtTarget *vtarget;
2363 struct scsi_target *starget;
2364 int max_depth;
2365 int tagged;
2366 MPT_ADAPTER *ioc = hd->ioc;
2367
2368 starget = scsi_target(sdev);
2369 vtarget = starget->hostdata;
2370
2371 if (reason != SCSI_QDEPTH_DEFAULT)
2372 return -EOPNOTSUPP;
2373
2374 if (ioc->bus_type == SPI) {
2375 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2376 max_depth = 1;
2377 else if (sdev->type == TYPE_DISK &&
2378 vtarget->minSyncFactor <= MPT_ULTRA160)
2379 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2380 else
2381 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2382 } else
2383 max_depth = ioc->sh->can_queue;
2384
2385 if (!sdev->tagged_supported)
2386 max_depth = 1;
2387
2388 if (qdepth > max_depth)
2389 qdepth = max_depth;
2390 if (qdepth == 1)
2391 tagged = 0;
2392 else
2393 tagged = MSG_SIMPLE_TAG;
2394
2395 scsi_adjust_queue_depth(sdev, tagged, qdepth);
2396 return sdev->queue_depth;
2397 }
2398
2399 /*
2400 * OS entry point to adjust the queue_depths on a per-device basis.
2401 * Called once per device the bus scan. Use it to force the queue_depth
2402 * member to 1 if a device does not support Q tags.
2403 * Return non-zero if fails.
2404 */
2405 int
2406 mptscsih_slave_configure(struct scsi_device *sdev)
2407 {
2408 struct Scsi_Host *sh = sdev->host;
2409 VirtTarget *vtarget;
2410 VirtDevice *vdevice;
2411 struct scsi_target *starget;
2412 MPT_SCSI_HOST *hd = shost_priv(sh);
2413 MPT_ADAPTER *ioc = hd->ioc;
2414
2415 starget = scsi_target(sdev);
2416 vtarget = starget->hostdata;
2417 vdevice = sdev->hostdata;
2418
2419 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2420 "device @ %p, channel=%d, id=%d, lun=%d\n",
2421 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2422 if (ioc->bus_type == SPI)
2423 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2424 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2425 ioc->name, sdev->sdtr, sdev->wdtr,
2426 sdev->ppr, sdev->inquiry_len));
2427
2428 vdevice->configured_lun = 1;
2429
2430 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2431 "Queue depth=%d, tflags=%x\n",
2432 ioc->name, sdev->queue_depth, vtarget->tflags));
2433
2434 if (ioc->bus_type == SPI)
2435 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2436 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2437 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2438 vtarget->minSyncFactor));
2439
2440 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH,
2441 SCSI_QDEPTH_DEFAULT);
2442 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2443 "tagged %d, simple %d, ordered %d\n",
2444 ioc->name,sdev->tagged_supported, sdev->simple_tags,
2445 sdev->ordered_tags));
2446
2447 return 0;
2448 }
2449
2450 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2451 /*
2452 * Private routines...
2453 */
2454
2455 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2456 /* Utility function to copy sense data from the scsi_cmnd buffer
2457 * to the FC and SCSI target structures.
2458 *
2459 */
2460 static void
2461 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2462 {
2463 VirtDevice *vdevice;
2464 SCSIIORequest_t *pReq;
2465 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2466 MPT_ADAPTER *ioc = hd->ioc;
2467
2468 /* Get target structure
2469 */
2470 pReq = (SCSIIORequest_t *) mf;
2471 vdevice = sc->device->hostdata;
2472
2473 if (sense_count) {
2474 u8 *sense_data;
2475 int req_index;
2476
2477 /* Copy the sense received into the scsi command block. */
2478 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2479 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2480 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2481
2482 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2483 */
2484 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2485 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2486 int idx;
2487
2488 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2489 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2490 ioc->events[idx].eventContext = ioc->eventContext;
2491
2492 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2493 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2494 (sc->device->channel << 8) | sc->device->id;
2495
2496 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2497
2498 ioc->eventContext++;
2499 if (ioc->pcidev->vendor ==
2500 PCI_VENDOR_ID_IBM) {
2501 mptscsih_issue_sep_command(ioc,
2502 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2503 vdevice->vtarget->tflags |=
2504 MPT_TARGET_FLAGS_LED_ON;
2505 }
2506 }
2507 }
2508 } else {
2509 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2510 ioc->name));
2511 }
2512 }
2513
2514 /**
2515 * mptscsih_get_scsi_lookup - retrieves scmd entry
2516 * @ioc: Pointer to MPT_ADAPTER structure
2517 * @i: index into the array
2518 *
2519 * Returns the scsi_cmd pointer
2520 */
2521 struct scsi_cmnd *
2522 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2523 {
2524 unsigned long flags;
2525 struct scsi_cmnd *scmd;
2526
2527 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2528 scmd = ioc->ScsiLookup[i];
2529 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2530
2531 return scmd;
2532 }
2533 EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2534
2535 /**
2536 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2537 * @ioc: Pointer to MPT_ADAPTER structure
2538 * @i: index into the array
2539 *
2540 * Returns the scsi_cmd pointer
2541 *
2542 **/
2543 static struct scsi_cmnd *
2544 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2545 {
2546 unsigned long flags;
2547 struct scsi_cmnd *scmd;
2548
2549 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2550 scmd = ioc->ScsiLookup[i];
2551 ioc->ScsiLookup[i] = NULL;
2552 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2553
2554 return scmd;
2555 }
2556
2557 /**
2558 * mptscsih_set_scsi_lookup
2559 *
2560 * writes a scmd entry into the ScsiLookup[] array list
2561 *
2562 * @ioc: Pointer to MPT_ADAPTER structure
2563 * @i: index into the array
2564 * @scmd: scsi_cmnd pointer
2565 *
2566 **/
2567 static void
2568 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2569 {
2570 unsigned long flags;
2571
2572 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2573 ioc->ScsiLookup[i] = scmd;
2574 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2575 }
2576
2577 /**
2578 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2579 * @ioc: Pointer to MPT_ADAPTER structure
2580 * @sc: scsi_cmnd pointer
2581 */
2582 static int
2583 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2584 {
2585 unsigned long flags;
2586 int i, index=-1;
2587
2588 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2589 for (i = 0; i < ioc->req_depth; i++) {
2590 if (ioc->ScsiLookup[i] == sc) {
2591 index = i;
2592 goto out;
2593 }
2594 }
2595
2596 out:
2597 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2598 return index;
2599 }
2600
2601 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2602 int
2603 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2604 {
2605 MPT_SCSI_HOST *hd;
2606
2607 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2608 return 0;
2609
2610 hd = shost_priv(ioc->sh);
2611 switch (reset_phase) {
2612 case MPT_IOC_SETUP_RESET:
2613 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2614 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2615 break;
2616 case MPT_IOC_PRE_RESET:
2617 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2618 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2619 mptscsih_flush_running_cmds(hd);
2620 break;
2621 case MPT_IOC_POST_RESET:
2622 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2623 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2624 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2625 ioc->internal_cmds.status |=
2626 MPT_MGMT_STATUS_DID_IOCRESET;
2627 complete(&ioc->internal_cmds.done);
2628 }
2629 break;
2630 default:
2631 break;
2632 }
2633 return 1; /* currently means nothing really */
2634 }
2635
2636 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2637 int
2638 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2639 {
2640 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2641
2642 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2643 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2644 ioc->name, event));
2645
2646 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2647 event == MPI_EVENT_EXT_BUS_RESET) &&
2648 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2649 ioc->soft_resets++;
2650
2651 return 1; /* currently means nothing really */
2652 }
2653
2654 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2655 /*
2656 * Bus Scan and Domain Validation functionality ...
2657 */
2658
2659 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2660 /*
2661 * mptscsih_scandv_complete - Scan and DV callback routine registered
2662 * to Fustion MPT (base) driver.
2663 *
2664 * @ioc: Pointer to MPT_ADAPTER structure
2665 * @mf: Pointer to original MPT request frame
2666 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2667 *
2668 * This routine is called from mpt.c::mpt_interrupt() at the completion
2669 * of any SCSI IO request.
2670 * This routine is registered with the Fusion MPT (base) driver at driver
2671 * load/init time via the mpt_register() API call.
2672 *
2673 * Returns 1 indicating alloc'd request frame ptr should be freed.
2674 *
2675 * Remark: Sets a completion code and (possibly) saves sense data
2676 * in the IOC member localReply structure.
2677 * Used ONLY for DV and other internal commands.
2678 */
2679 int
2680 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2681 MPT_FRAME_HDR *reply)
2682 {
2683 SCSIIORequest_t *pReq;
2684 SCSIIOReply_t *pReply;
2685 u8 cmd;
2686 u16 req_idx;
2687 u8 *sense_data;
2688 int sz;
2689
2690 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2691 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2692 if (!reply)
2693 goto out;
2694
2695 pReply = (SCSIIOReply_t *) reply;
2696 pReq = (SCSIIORequest_t *) req;
2697 ioc->internal_cmds.completion_code =
2698 mptscsih_get_completion_code(ioc, req, reply);
2699 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2700 memcpy(ioc->internal_cmds.reply, reply,
2701 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2702 cmd = reply->u.hdr.Function;
2703 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2704 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2705 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2706 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2707 sense_data = ((u8 *)ioc->sense_buf_pool +
2708 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2709 sz = min_t(int, pReq->SenseBufferLength,
2710 MPT_SENSE_BUFFER_ALLOC);
2711 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2712 }
2713 out:
2714 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2715 return 0;
2716 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2717 complete(&ioc->internal_cmds.done);
2718 return 1;
2719 }
2720
2721
2722 /**
2723 * mptscsih_get_completion_code -
2724 * @ioc: Pointer to MPT_ADAPTER structure
2725 * @req: Pointer to original MPT request frame
2726 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
2727 *
2728 **/
2729 static int
2730 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2731 MPT_FRAME_HDR *reply)
2732 {
2733 SCSIIOReply_t *pReply;
2734 MpiRaidActionReply_t *pr;
2735 u8 scsi_status;
2736 u16 status;
2737 int completion_code;
2738
2739 pReply = (SCSIIOReply_t *)reply;
2740 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2741 scsi_status = pReply->SCSIStatus;
2742
2743 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2744 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2745 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2746 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2747
2748 switch (status) {
2749
2750 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2751 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2752 break;
2753
2754 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2755 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2756 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2757 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2758 completion_code = MPT_SCANDV_DID_RESET;
2759 break;
2760
2761 case MPI_IOCSTATUS_BUSY:
2762 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2763 completion_code = MPT_SCANDV_BUSY;
2764 break;
2765
2766 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2767 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2768 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2769 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2770 completion_code = MPT_SCANDV_GOOD;
2771 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2772 pr = (MpiRaidActionReply_t *)reply;
2773 if (le16_to_cpu(pr->ActionStatus) ==
2774 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2775 completion_code = MPT_SCANDV_GOOD;
2776 else
2777 completion_code = MPT_SCANDV_SOME_ERROR;
2778 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2779 completion_code = MPT_SCANDV_SENSE;
2780 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2781 if (req->u.scsireq.CDB[0] == INQUIRY)
2782 completion_code = MPT_SCANDV_ISSUE_SENSE;
2783 else
2784 completion_code = MPT_SCANDV_DID_RESET;
2785 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2786 completion_code = MPT_SCANDV_DID_RESET;
2787 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2788 completion_code = MPT_SCANDV_DID_RESET;
2789 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2790 completion_code = MPT_SCANDV_BUSY;
2791 else
2792 completion_code = MPT_SCANDV_GOOD;
2793 break;
2794
2795 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2796 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2797 completion_code = MPT_SCANDV_DID_RESET;
2798 else
2799 completion_code = MPT_SCANDV_SOME_ERROR;
2800 break;
2801 default:
2802 completion_code = MPT_SCANDV_SOME_ERROR;
2803 break;
2804
2805 } /* switch(status) */
2806
2807 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2808 " completionCode set to %08xh\n", ioc->name, completion_code));
2809 return completion_code;
2810 }
2811
2812 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2813 /**
2814 * mptscsih_do_cmd - Do internal command.
2815 * @hd: MPT_SCSI_HOST pointer
2816 * @io: INTERNAL_CMD pointer.
2817 *
2818 * Issue the specified internally generated command and do command
2819 * specific cleanup. For bus scan / DV only.
2820 * NOTES: If command is Inquiry and status is good,
2821 * initialize a target structure, save the data
2822 *
2823 * Remark: Single threaded access only.
2824 *
2825 * Return:
2826 * < 0 if an illegal command or no resources
2827 *
2828 * 0 if good
2829 *
2830 * > 0 if command complete but some type of completion error.
2831 */
2832 static int
2833 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2834 {
2835 MPT_FRAME_HDR *mf;
2836 SCSIIORequest_t *pScsiReq;
2837 int my_idx, ii, dir;
2838 int timeout;
2839 char cmdLen;
2840 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2841 u8 cmd = io->cmd;
2842 MPT_ADAPTER *ioc = hd->ioc;
2843 int ret = 0;
2844 unsigned long timeleft;
2845 unsigned long flags;
2846
2847 /* don't send internal command during diag reset */
2848 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2849 if (ioc->ioc_reset_in_progress) {
2850 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2851 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2852 "%s: busy with host reset\n", ioc->name, __func__));
2853 return MPT_SCANDV_BUSY;
2854 }
2855 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2856
2857 mutex_lock(&ioc->internal_cmds.mutex);
2858
2859 /* Set command specific information
2860 */
2861 switch (cmd) {
2862 case INQUIRY:
2863 cmdLen = 6;
2864 dir = MPI_SCSIIO_CONTROL_READ;
2865 CDB[0] = cmd;
2866 CDB[4] = io->size;
2867 timeout = 10;
2868 break;
2869
2870 case TEST_UNIT_READY:
2871 cmdLen = 6;
2872 dir = MPI_SCSIIO_CONTROL_READ;
2873 timeout = 10;
2874 break;
2875
2876 case START_STOP:
2877 cmdLen = 6;
2878 dir = MPI_SCSIIO_CONTROL_READ;
2879 CDB[0] = cmd;
2880 CDB[4] = 1; /*Spin up the disk */
2881 timeout = 15;
2882 break;
2883
2884 case REQUEST_SENSE:
2885 cmdLen = 6;
2886 CDB[0] = cmd;
2887 CDB[4] = io->size;
2888 dir = MPI_SCSIIO_CONTROL_READ;
2889 timeout = 10;
2890 break;
2891
2892 case READ_BUFFER:
2893 cmdLen = 10;
2894 dir = MPI_SCSIIO_CONTROL_READ;
2895 CDB[0] = cmd;
2896 if (io->flags & MPT_ICFLAG_ECHO) {
2897 CDB[1] = 0x0A;
2898 } else {
2899 CDB[1] = 0x02;
2900 }
2901
2902 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2903 CDB[1] |= 0x01;
2904 }
2905 CDB[6] = (io->size >> 16) & 0xFF;
2906 CDB[7] = (io->size >> 8) & 0xFF;
2907 CDB[8] = io->size & 0xFF;
2908 timeout = 10;
2909 break;
2910
2911 case WRITE_BUFFER:
2912 cmdLen = 10;
2913 dir = MPI_SCSIIO_CONTROL_WRITE;
2914 CDB[0] = cmd;
2915 if (io->flags & MPT_ICFLAG_ECHO) {
2916 CDB[1] = 0x0A;
2917 } else {
2918 CDB[1] = 0x02;
2919 }
2920 CDB[6] = (io->size >> 16) & 0xFF;
2921 CDB[7] = (io->size >> 8) & 0xFF;
2922 CDB[8] = io->size & 0xFF;
2923 timeout = 10;
2924 break;
2925
2926 case RESERVE:
2927 cmdLen = 6;
2928 dir = MPI_SCSIIO_CONTROL_READ;
2929 CDB[0] = cmd;
2930 timeout = 10;
2931 break;
2932
2933 case RELEASE:
2934 cmdLen = 6;
2935 dir = MPI_SCSIIO_CONTROL_READ;
2936 CDB[0] = cmd;
2937 timeout = 10;
2938 break;
2939
2940 case SYNCHRONIZE_CACHE:
2941 cmdLen = 10;
2942 dir = MPI_SCSIIO_CONTROL_READ;
2943 CDB[0] = cmd;
2944 // CDB[1] = 0x02; /* set immediate bit */
2945 timeout = 10;
2946 break;
2947
2948 default:
2949 /* Error Case */
2950 ret = -EFAULT;
2951 goto out;
2952 }
2953
2954 /* Get and Populate a free Frame
2955 * MsgContext set in mpt_get_msg_frame call
2956 */
2957 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
2958 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2959 ioc->name, __func__));
2960 ret = MPT_SCANDV_BUSY;
2961 goto out;
2962 }
2963
2964 pScsiReq = (SCSIIORequest_t *) mf;
2965
2966 /* Get the request index */
2967 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2968 ADD_INDEX_LOG(my_idx); /* for debug */
2969
2970 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2971 pScsiReq->TargetID = io->physDiskNum;
2972 pScsiReq->Bus = 0;
2973 pScsiReq->ChainOffset = 0;
2974 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2975 } else {
2976 pScsiReq->TargetID = io->id;
2977 pScsiReq->Bus = io->channel;
2978 pScsiReq->ChainOffset = 0;
2979 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2980 }
2981
2982 pScsiReq->CDBLength = cmdLen;
2983 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2984
2985 pScsiReq->Reserved = 0;
2986
2987 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
2988 /* MsgContext set in mpt_get_msg_fram call */
2989
2990 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
2991
2992 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2993 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
2994 else
2995 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2996
2997 if (cmd == REQUEST_SENSE) {
2998 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2999 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3000 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
3001 }
3002
3003 for (ii = 0; ii < 16; ii++)
3004 pScsiReq->CDB[ii] = CDB[ii];
3005
3006 pScsiReq->DataLength = cpu_to_le32(io->size);
3007 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
3008 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
3009
3010 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3011 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n",
3012 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
3013
3014 if (dir == MPI_SCSIIO_CONTROL_READ)
3015 ioc->add_sge((char *) &pScsiReq->SGL,
3016 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
3017 else
3018 ioc->add_sge((char *) &pScsiReq->SGL,
3019 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
3020
3021 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
3022 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
3023 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
3024 timeout*HZ);
3025 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
3026 ret = MPT_SCANDV_DID_RESET;
3027 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3028 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
3029 cmd));
3030 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
3031 mpt_free_msg_frame(ioc, mf);
3032 goto out;
3033 }
3034 if (!timeleft) {
3035 printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
3036 ioc->name, __func__);
3037 mpt_HardResetHandler(ioc, CAN_SLEEP);
3038 mpt_free_msg_frame(ioc, mf);
3039 }
3040 goto out;
3041 }
3042
3043 ret = ioc->internal_cmds.completion_code;
3044 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
3045 ioc->name, __func__, ret));
3046
3047 out:
3048 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
3049 mutex_unlock(&ioc->internal_cmds.mutex);
3050 return ret;
3051 }
3052
3053 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3054 /**
3055 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3056 * @hd: Pointer to a SCSI HOST structure
3057 * @vdevice: virtual target device
3058 *
3059 * Uses the ISR, but with special processing.
3060 * MUST be single-threaded.
3061 *
3062 */
3063 static void
3064 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3065 {
3066 INTERNAL_CMD iocmd;
3067
3068 /* Ignore hidden raid components, this is handled when the command
3069 * is sent to the volume
3070 */
3071 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3072 return;
3073
3074 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3075 !vdevice->configured_lun)
3076 return;
3077
3078 /* Following parameters will not change
3079 * in this routine.
3080 */
3081 iocmd.cmd = SYNCHRONIZE_CACHE;
3082 iocmd.flags = 0;
3083 iocmd.physDiskNum = -1;
3084 iocmd.data = NULL;
3085 iocmd.data_dma = -1;
3086 iocmd.size = 0;
3087 iocmd.rsvd = iocmd.rsvd2 = 0;
3088 iocmd.channel = vdevice->vtarget->channel;
3089 iocmd.id = vdevice->vtarget->id;
3090 iocmd.lun = vdevice->lun;
3091
3092 mptscsih_do_cmd(hd, &iocmd);
3093 }
3094
3095 static ssize_t
3096 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3097 char *buf)
3098 {
3099 struct Scsi_Host *host = class_to_shost(dev);
3100 MPT_SCSI_HOST *hd = shost_priv(host);
3101 MPT_ADAPTER *ioc = hd->ioc;
3102
3103 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3104 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3105 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3106 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3107 ioc->facts.FWVersion.Word & 0x000000FF);
3108 }
3109 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3110
3111 static ssize_t
3112 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3113 char *buf)
3114 {
3115 struct Scsi_Host *host = class_to_shost(dev);
3116 MPT_SCSI_HOST *hd = shost_priv(host);
3117 MPT_ADAPTER *ioc = hd->ioc;
3118
3119 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3120 (ioc->biosVersion & 0xFF000000) >> 24,
3121 (ioc->biosVersion & 0x00FF0000) >> 16,
3122 (ioc->biosVersion & 0x0000FF00) >> 8,
3123 ioc->biosVersion & 0x000000FF);
3124 }
3125 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3126
3127 static ssize_t
3128 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3129 char *buf)
3130 {
3131 struct Scsi_Host *host = class_to_shost(dev);
3132 MPT_SCSI_HOST *hd = shost_priv(host);
3133 MPT_ADAPTER *ioc = hd->ioc;
3134
3135 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3136 }
3137 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3138
3139 static ssize_t
3140 mptscsih_version_product_show(struct device *dev,
3141 struct device_attribute *attr,
3142 char *buf)
3143 {
3144 struct Scsi_Host *host = class_to_shost(dev);
3145 MPT_SCSI_HOST *hd = shost_priv(host);
3146 MPT_ADAPTER *ioc = hd->ioc;
3147
3148 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3149 }
3150 static DEVICE_ATTR(version_product, S_IRUGO,
3151 mptscsih_version_product_show, NULL);
3152
3153 static ssize_t
3154 mptscsih_version_nvdata_persistent_show(struct device *dev,
3155 struct device_attribute *attr,
3156 char *buf)
3157 {
3158 struct Scsi_Host *host = class_to_shost(dev);
3159 MPT_SCSI_HOST *hd = shost_priv(host);
3160 MPT_ADAPTER *ioc = hd->ioc;
3161
3162 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3163 ioc->nvdata_version_persistent);
3164 }
3165 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3166 mptscsih_version_nvdata_persistent_show, NULL);
3167
3168 static ssize_t
3169 mptscsih_version_nvdata_default_show(struct device *dev,
3170 struct device_attribute *attr, char *buf)
3171 {
3172 struct Scsi_Host *host = class_to_shost(dev);
3173 MPT_SCSI_HOST *hd = shost_priv(host);
3174 MPT_ADAPTER *ioc = hd->ioc;
3175
3176 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3177 }
3178 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3179 mptscsih_version_nvdata_default_show, NULL);
3180
3181 static ssize_t
3182 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3183 char *buf)
3184 {
3185 struct Scsi_Host *host = class_to_shost(dev);
3186 MPT_SCSI_HOST *hd = shost_priv(host);
3187 MPT_ADAPTER *ioc = hd->ioc;
3188
3189 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3190 }
3191 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3192
3193 static ssize_t
3194 mptscsih_board_assembly_show(struct device *dev,
3195 struct device_attribute *attr, char *buf)
3196 {
3197 struct Scsi_Host *host = class_to_shost(dev);
3198 MPT_SCSI_HOST *hd = shost_priv(host);
3199 MPT_ADAPTER *ioc = hd->ioc;
3200
3201 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3202 }
3203 static DEVICE_ATTR(board_assembly, S_IRUGO,
3204 mptscsih_board_assembly_show, NULL);
3205
3206 static ssize_t
3207 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3208 char *buf)
3209 {
3210 struct Scsi_Host *host = class_to_shost(dev);
3211 MPT_SCSI_HOST *hd = shost_priv(host);
3212 MPT_ADAPTER *ioc = hd->ioc;
3213
3214 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3215 }
3216 static DEVICE_ATTR(board_tracer, S_IRUGO,
3217 mptscsih_board_tracer_show, NULL);
3218
3219 static ssize_t
3220 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3221 char *buf)
3222 {
3223 struct Scsi_Host *host = class_to_shost(dev);
3224 MPT_SCSI_HOST *hd = shost_priv(host);
3225 MPT_ADAPTER *ioc = hd->ioc;
3226
3227 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3228 }
3229 static DEVICE_ATTR(io_delay, S_IRUGO,
3230 mptscsih_io_delay_show, NULL);
3231
3232 static ssize_t
3233 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3234 char *buf)
3235 {
3236 struct Scsi_Host *host = class_to_shost(dev);
3237 MPT_SCSI_HOST *hd = shost_priv(host);
3238 MPT_ADAPTER *ioc = hd->ioc;
3239
3240 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3241 }
3242 static DEVICE_ATTR(device_delay, S_IRUGO,
3243 mptscsih_device_delay_show, NULL);
3244
3245 static ssize_t
3246 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3247 char *buf)
3248 {
3249 struct Scsi_Host *host = class_to_shost(dev);
3250 MPT_SCSI_HOST *hd = shost_priv(host);
3251 MPT_ADAPTER *ioc = hd->ioc;
3252
3253 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3254 }
3255 static ssize_t
3256 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3257 const char *buf, size_t count)
3258 {
3259 struct Scsi_Host *host = class_to_shost(dev);
3260 MPT_SCSI_HOST *hd = shost_priv(host);
3261 MPT_ADAPTER *ioc = hd->ioc;
3262 int val = 0;
3263
3264 if (sscanf(buf, "%x", &val) != 1)
3265 return -EINVAL;
3266
3267 ioc->debug_level = val;
3268 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3269 ioc->name, ioc->debug_level);
3270 return strlen(buf);
3271 }
3272 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3273 mptscsih_debug_level_show, mptscsih_debug_level_store);
3274
3275 struct device_attribute *mptscsih_host_attrs[] = {
3276 &dev_attr_version_fw,
3277 &dev_attr_version_bios,
3278 &dev_attr_version_mpi,
3279 &dev_attr_version_product,
3280 &dev_attr_version_nvdata_persistent,
3281 &dev_attr_version_nvdata_default,
3282 &dev_attr_board_name,
3283 &dev_attr_board_assembly,
3284 &dev_attr_board_tracer,
3285 &dev_attr_io_delay,
3286 &dev_attr_device_delay,
3287 &dev_attr_debug_level,
3288 NULL,
3289 };
3290
3291 EXPORT_SYMBOL(mptscsih_host_attrs);
3292
3293 EXPORT_SYMBOL(mptscsih_remove);
3294 EXPORT_SYMBOL(mptscsih_shutdown);
3295 #ifdef CONFIG_PM
3296 EXPORT_SYMBOL(mptscsih_suspend);
3297 EXPORT_SYMBOL(mptscsih_resume);
3298 #endif
3299 EXPORT_SYMBOL(mptscsih_proc_info);
3300 EXPORT_SYMBOL(mptscsih_info);
3301 EXPORT_SYMBOL(mptscsih_qcmd);
3302 EXPORT_SYMBOL(mptscsih_slave_destroy);
3303 EXPORT_SYMBOL(mptscsih_slave_configure);
3304 EXPORT_SYMBOL(mptscsih_abort);
3305 EXPORT_SYMBOL(mptscsih_dev_reset);
3306 EXPORT_SYMBOL(mptscsih_bus_reset);
3307 EXPORT_SYMBOL(mptscsih_host_reset);
3308 EXPORT_SYMBOL(mptscsih_bios_param);
3309 EXPORT_SYMBOL(mptscsih_io_done);
3310 EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3311 EXPORT_SYMBOL(mptscsih_scandv_complete);
3312 EXPORT_SYMBOL(mptscsih_event_process);
3313 EXPORT_SYMBOL(mptscsih_ioc_reset);
3314 EXPORT_SYMBOL(mptscsih_change_queue_depth);
3315
3316 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
CRIS linux kernel tree