1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47#include <linux/module.h>
48#include <linux/kernel.h>
49#include <linux/slab.h>
50#include <linux/init.h>
51#include <linux/errno.h>
52#include <linux/kdev_t.h>
53#include <linux/blkdev.h>
54#include <linux/delay.h>
55#include <linux/interrupt.h>
56#include <linux/reboot.h>
57#include <linux/workqueue.h>
58
59#include <scsi/scsi.h>
60#include <scsi/scsi_cmnd.h>
61#include <scsi/scsi_device.h>
62#include <scsi/scsi_host.h>
63#include <scsi/scsi_tcq.h>
64#include <scsi/scsi_dbg.h>
65
66#include "mptbase.h"
67#include "mptscsih.h"
68#include "lsi/mpi_log_sas.h"
69
70
71#define my_NAME "Fusion MPT SCSI Host driver"
72#define my_VERSION MPT_LINUX_VERSION_COMMON
73#define MYNAM "mptscsih"
74
75MODULE_AUTHOR(MODULEAUTHOR);
76MODULE_DESCRIPTION(my_NAME);
77MODULE_LICENSE("GPL");
78MODULE_VERSION(my_VERSION);
79
80
81
82
83
84struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
85static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
86static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
87static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
88int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
89static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
90int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
91
92static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
93 SCSIIORequest_t *pReq, int req_idx);
94static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
95static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
96
97int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
98 int lun, int ctx2abort, ulong timeout);
99
100int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
101int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
102
103void
104mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
105static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
106 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
107int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
108static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
109static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
110
111static int
112mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
113 SCSITaskMgmtReply_t *pScsiTmReply);
114void mptscsih_remove(struct pci_dev *);
115void mptscsih_shutdown(struct pci_dev *);
116#ifdef CONFIG_PM
117int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
118int mptscsih_resume(struct pci_dev *pdev);
119#endif
120
121#define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE
122
123
124
125
126
127
128
129
130
131
132
133static inline int
134mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
135{
136 MPT_FRAME_HDR *chainBuf;
137 unsigned long flags;
138 int rc;
139 int chain_idx;
140
141 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
142 ioc->name));
143 spin_lock_irqsave(&ioc->FreeQlock, flags);
144 if (!list_empty(&ioc->FreeChainQ)) {
145 int offset;
146
147 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
148 u.frame.linkage.list);
149 list_del(&chainBuf->u.frame.linkage.list);
150 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
151 chain_idx = offset / ioc->req_sz;
152 rc = SUCCESS;
153 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
154 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
155 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
156 } else {
157 rc = FAILED;
158 chain_idx = MPT_HOST_NO_CHAIN;
159 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
160 ioc->name));
161 }
162 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
163
164 *retIndex = chain_idx;
165 return rc;
166}
167
168
169
170
171
172
173
174
175
176
177
178static int
179mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
180 SCSIIORequest_t *pReq, int req_idx)
181{
182 char *psge;
183 char *chainSge;
184 struct scatterlist *sg;
185 int frm_sz;
186 int sges_left, sg_done;
187 int chain_idx = MPT_HOST_NO_CHAIN;
188 int sgeOffset;
189 int numSgeSlots, numSgeThisFrame;
190 u32 sgflags, sgdir, thisxfer = 0;
191 int chain_dma_off = 0;
192 int newIndex;
193 int ii;
194 dma_addr_t v2;
195 u32 RequestNB;
196
197 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
198 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
199 sgdir = MPT_TRANSFER_HOST_TO_IOC;
200 } else {
201 sgdir = MPT_TRANSFER_IOC_TO_HOST;
202 }
203
204 psge = (char *) &pReq->SGL;
205 frm_sz = ioc->req_sz;
206
207
208
209
210 sges_left = scsi_dma_map(SCpnt);
211 if (sges_left < 0)
212 return FAILED;
213
214
215
216 sg = scsi_sglist(SCpnt);
217 sg_done = 0;
218 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
219 chainSge = NULL;
220
221
222
223
224
225
226
227nextSGEset:
228 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
229 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
230
231 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
232
233
234
235
236
237 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
238 thisxfer = sg_dma_len(sg);
239 if (thisxfer == 0) {
240
241 sg = sg_next(sg);
242 sg_done++;
243 continue;
244 }
245
246 v2 = sg_dma_address(sg);
247 ioc->add_sge(psge, sgflags | thisxfer, v2);
248
249
250 sg = sg_next(sg);
251 psge += ioc->SGE_size;
252 sgeOffset += ioc->SGE_size;
253 sg_done++;
254 }
255
256 if (numSgeThisFrame == sges_left) {
257
258
259 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
260 MPT_SGE_FLAGS_END_OF_BUFFER |
261 MPT_SGE_FLAGS_END_OF_LIST;
262
263
264
265
266 thisxfer = sg_dma_len(sg);
267
268 v2 = sg_dma_address(sg);
269 ioc->add_sge(psge, sgflags | thisxfer, v2);
270 sgeOffset += ioc->SGE_size;
271 sg_done++;
272
273 if (chainSge) {
274
275
276
277
278
279 ioc->add_chain((char *)chainSge, 0, sgeOffset,
280 ioc->ChainBufferDMA + chain_dma_off);
281 } else {
282
283
284
285 pReq->ChainOffset = 0;
286 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
287 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
288 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
289 ioc->RequestNB[req_idx] = RequestNB;
290 }
291 } else {
292
293
294
295
296
297
298
299
300
301
302
303 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
304 ioc->name, sg_done));
305
306
307
308
309
310
311
312 if (sg_done) {
313 u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
314 sgflags = le32_to_cpu(*ptmp);
315 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
316 *ptmp = cpu_to_le32(sgflags);
317 }
318
319 if (chainSge) {
320
321
322
323
324
325
326 u8 nextChain = (u8) (sgeOffset >> 2);
327 sgeOffset += ioc->SGE_size;
328 ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
329 ioc->ChainBufferDMA + chain_dma_off);
330 } else {
331
332
333
334
335 pReq->ChainOffset = (u8) (sgeOffset >> 2);
336 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
337 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
338 ioc->RequestNB[req_idx] = RequestNB;
339 }
340
341 sges_left -= sg_done;
342
343
344
345
346
347 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
348 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
349 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
350 ioc->name, pReq->CDB[0], SCpnt));
351 return FAILED;
352 }
353
354
355
356
357 if (chainSge) {
358 ioc->ChainToChain[chain_idx] = newIndex;
359 } else {
360 ioc->ReqToChain[req_idx] = newIndex;
361 }
362 chain_idx = newIndex;
363 chain_dma_off = ioc->req_sz * chain_idx;
364
365
366
367
368
369 chainSge = (char *) psge;
370 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
371 ioc->name, psge, req_idx));
372
373
374
375 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
376 sgeOffset = 0;
377 sg_done = 0;
378
379 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
380 ioc->name, psge, chain_idx));
381
382
383
384
385 goto nextSGEset;
386 }
387
388 return SUCCESS;
389}
390
391static void
392mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
393 U32 SlotStatus)
394{
395 MPT_FRAME_HDR *mf;
396 SEPRequest_t *SEPMsg;
397
398 if (ioc->bus_type != SAS)
399 return;
400
401
402
403 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
404 return;
405
406 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
407 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
408 ioc->name,__func__));
409 return;
410 }
411
412 SEPMsg = (SEPRequest_t *)mf;
413 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
414 SEPMsg->Bus = vtarget->channel;
415 SEPMsg->TargetID = vtarget->id;
416 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
417 SEPMsg->SlotStatus = SlotStatus;
418 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
419 "Sending SEP cmd=%x channel=%d id=%d\n",
420 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
421 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
422}
423
424#ifdef CONFIG_FUSION_LOGGING
425
426
427
428
429
430
431
432
433
434
435static void
436mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
437{
438 char *desc = NULL;
439 char *desc1 = NULL;
440 u16 ioc_status;
441 u8 skey, asc, ascq;
442
443 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
444
445 switch (ioc_status) {
446
447 case MPI_IOCSTATUS_SUCCESS:
448 desc = "success";
449 break;
450 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
451 desc = "invalid bus";
452 break;
453 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
454 desc = "invalid target_id";
455 break;
456 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
457 desc = "device not there";
458 break;
459 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
460 desc = "data overrun";
461 break;
462 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
463 desc = "data underrun";
464 break;
465 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
466 desc = "I/O data error";
467 break;
468 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
469 desc = "protocol error";
470 break;
471 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
472 desc = "task terminated";
473 break;
474 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
475 desc = "residual mismatch";
476 break;
477 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
478 desc = "task management failed";
479 break;
480 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
481 desc = "IOC terminated";
482 break;
483 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
484 desc = "ext terminated";
485 break;
486 default:
487 desc = "";
488 break;
489 }
490
491 switch (pScsiReply->SCSIStatus)
492 {
493
494 case MPI_SCSI_STATUS_SUCCESS:
495 desc1 = "success";
496 break;
497 case MPI_SCSI_STATUS_CHECK_CONDITION:
498 desc1 = "check condition";
499 break;
500 case MPI_SCSI_STATUS_CONDITION_MET:
501 desc1 = "condition met";
502 break;
503 case MPI_SCSI_STATUS_BUSY:
504 desc1 = "busy";
505 break;
506 case MPI_SCSI_STATUS_INTERMEDIATE:
507 desc1 = "intermediate";
508 break;
509 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
510 desc1 = "intermediate condmet";
511 break;
512 case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
513 desc1 = "reservation conflict";
514 break;
515 case MPI_SCSI_STATUS_COMMAND_TERMINATED:
516 desc1 = "command terminated";
517 break;
518 case MPI_SCSI_STATUS_TASK_SET_FULL:
519 desc1 = "task set full";
520 break;
521 case MPI_SCSI_STATUS_ACA_ACTIVE:
522 desc1 = "aca active";
523 break;
524 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
525 desc1 = "fcpext device logged out";
526 break;
527 case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
528 desc1 = "fcpext no link";
529 break;
530 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
531 desc1 = "fcpext unassigned";
532 break;
533 default:
534 desc1 = "";
535 break;
536 }
537
538 scsi_print_command(sc);
539 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %d\n",
540 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
541 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
542 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
543 scsi_get_resid(sc));
544 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
545 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
546 le32_to_cpu(pScsiReply->TransferCount), sc->result);
547
548 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
549 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
550 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
551 pScsiReply->SCSIState);
552
553 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
554 skey = sc->sense_buffer[2] & 0x0F;
555 asc = sc->sense_buffer[12];
556 ascq = sc->sense_buffer[13];
557
558 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
559 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
560 }
561
562
563
564
565 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
566 pScsiReply->ResponseInfo)
567 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
568 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
569}
570#endif
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587int
588mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
589{
590 struct scsi_cmnd *sc;
591 MPT_SCSI_HOST *hd;
592 SCSIIORequest_t *pScsiReq;
593 SCSIIOReply_t *pScsiReply;
594 u16 req_idx, req_idx_MR;
595 VirtDevice *vdevice;
596 VirtTarget *vtarget;
597
598 hd = shost_priv(ioc->sh);
599 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
600 req_idx_MR = (mr != NULL) ?
601 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
602
603
604
605
606
607 if ((req_idx != req_idx_MR) ||
608 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
609 return 0;
610
611 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
612 if (sc == NULL) {
613 MPIHeader_t *hdr = (MPIHeader_t *)mf;
614
615
616
617
618
619 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
620 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
621 ioc->name);
622
623 mptscsih_freeChainBuffers(ioc, req_idx);
624 return 1;
625 }
626
627 if ((unsigned char *)mf != sc->host_scribble) {
628 mptscsih_freeChainBuffers(ioc, req_idx);
629 return 1;
630 }
631
632 if (ioc->bus_type == SAS) {
633 VirtDevice *vdevice = sc->device->hostdata;
634
635 if (!vdevice || !vdevice->vtarget ||
636 vdevice->vtarget->deleted) {
637 sc->result = DID_NO_CONNECT << 16;
638 goto out;
639 }
640 }
641
642 sc->host_scribble = NULL;
643 sc->result = DID_OK << 16;
644 pScsiReq = (SCSIIORequest_t *) mf;
645 pScsiReply = (SCSIIOReply_t *) mr;
646
647 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
648 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
649 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
650 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
651 }else{
652 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
653 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
654 ioc->name, mf, mr, sc, req_idx));
655 }
656
657 if (pScsiReply == NULL) {
658
659 ;
660 } else {
661 u32 xfer_cnt;
662 u16 status;
663 u8 scsi_state, scsi_status;
664 u32 log_info;
665
666 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
667
668 scsi_state = pScsiReply->SCSIState;
669 scsi_status = pScsiReply->SCSIStatus;
670 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
671 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
672 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
673
674
675
676
677
678
679
680 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
681 (scsi_status == MPI_SCSI_STATUS_BUSY ||
682 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
683 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
684 status = MPI_IOCSTATUS_SUCCESS;
685 }
686
687 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
688 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
689
690
691
692
693 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
694 pScsiReply->ResponseInfo) {
695 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%d] "
696 "FCP_ResponseInfo=%08xh\n", ioc->name,
697 sc->device->host->host_no, sc->device->channel,
698 sc->device->id, sc->device->lun,
699 le32_to_cpu(pScsiReply->ResponseInfo));
700 }
701
702 switch(status) {
703 case MPI_IOCSTATUS_BUSY:
704 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
705
706
707
708
709
710 sc->result = SAM_STAT_BUSY;
711 break;
712
713 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
714 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
715 sc->result = DID_BAD_TARGET << 16;
716 break;
717
718 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
719
720 if (ioc->bus_type != FC)
721 sc->result = DID_NO_CONNECT << 16;
722
723 else
724 sc->result = DID_REQUEUE << 16;
725
726 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
727 hd->sel_timeout[pScsiReq->TargetID]++;
728
729 vdevice = sc->device->hostdata;
730 if (!vdevice)
731 break;
732 vtarget = vdevice->vtarget;
733 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
734 mptscsih_issue_sep_command(ioc, vtarget,
735 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
736 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
737 }
738 break;
739
740 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
741 if ( ioc->bus_type == SAS ) {
742 u16 ioc_status =
743 le16_to_cpu(pScsiReply->IOCStatus);
744 if ((ioc_status &
745 MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
746 &&
747 ((log_info & SAS_LOGINFO_MASK) ==
748 SAS_LOGINFO_NEXUS_LOSS)) {
749 VirtDevice *vdevice =
750 sc->device->hostdata;
751
752
753
754
755
756 if (vdevice && vdevice->
757 vtarget &&
758 vdevice->vtarget->
759 raidVolume)
760 printk(KERN_INFO
761 "Skipping Raid Volume"
762 "for inDMD\n");
763 else if (vdevice &&
764 vdevice->vtarget)
765 vdevice->vtarget->
766 inDMD = 1;
767
768 sc->result =
769 (DID_TRANSPORT_DISRUPTED
770 << 16);
771 break;
772 }
773 } else if (ioc->bus_type == FC) {
774
775
776
777
778
779
780
781
782 sc->result = DID_ERROR << 16;
783 break;
784 }
785
786
787
788
789
790 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
791
792
793
794 sc->result = DID_RESET << 16;
795 break;
796
797 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
798 if (ioc->bus_type == FC)
799 sc->result = DID_ERROR << 16;
800 else
801 sc->result = DID_RESET << 16;
802 break;
803
804 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
805 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
806 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
807 sc->result=DID_SOFT_ERROR << 16;
808 else
809 sc->result = (DID_OK << 16) | scsi_status;
810 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
811 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
812 ioc->name, sc->result, sc->device->channel, sc->device->id));
813 break;
814
815 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
816
817
818
819
820 sc->result = (DID_OK << 16) | scsi_status;
821 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
822
823
824
825
826
827
828
829
830 if (ioc->bus_type == SPI) {
831 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
832 pScsiReq->CDB[0] == READ_10 ||
833 pScsiReq->CDB[0] == READ_12 ||
834 (pScsiReq->CDB[0] == READ_16 &&
835 ((pScsiReq->CDB[1] & 0x02) == 0)) ||
836 pScsiReq->CDB[0] == VERIFY ||
837 pScsiReq->CDB[0] == VERIFY_16) {
838 if (scsi_bufflen(sc) !=
839 xfer_cnt) {
840 sc->result =
841 DID_SOFT_ERROR << 16;
842 printk(KERN_WARNING "Errata"
843 "on LSI53C1030 occurred."
844 "sc->req_bufflen=0x%02x,"
845 "xfer_cnt=0x%02x\n",
846 scsi_bufflen(sc),
847 xfer_cnt);
848 }
849 }
850 }
851
852 if (xfer_cnt < sc->underflow) {
853 if (scsi_status == SAM_STAT_BUSY)
854 sc->result = SAM_STAT_BUSY;
855 else
856 sc->result = DID_SOFT_ERROR << 16;
857 }
858 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
859
860
861 sc->result = DID_SOFT_ERROR << 16;
862 }
863 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
864
865 sc->result = DID_RESET << 16;
866 }
867 }
868
869
870 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
871 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
872 ioc->name, sc->underflow));
873 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
874 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
875
876
877
878 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
879 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
880
881 break;
882
883 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
884 scsi_set_resid(sc, 0);
885 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR:
886 case MPI_IOCSTATUS_SUCCESS:
887 sc->result = (DID_OK << 16) | scsi_status;
888 if (scsi_state == 0) {
889 ;
890 } else if (scsi_state &
891 MPI_SCSI_STATE_AUTOSENSE_VALID) {
892
893
894
895
896
897
898
899
900
901 if ((ioc->bus_type == SPI) &&
902 (sc->sense_buffer[2] & 0x20)) {
903 u32 difftransfer;
904 difftransfer =
905 sc->sense_buffer[3] << 24 |
906 sc->sense_buffer[4] << 16 |
907 sc->sense_buffer[5] << 8 |
908 sc->sense_buffer[6];
909 if (((sc->sense_buffer[3] & 0x80) ==
910 0x80) && (scsi_bufflen(sc)
911 != xfer_cnt)) {
912 sc->sense_buffer[2] =
913 MEDIUM_ERROR;
914 sc->sense_buffer[12] = 0xff;
915 sc->sense_buffer[13] = 0xff;
916 printk(KERN_WARNING"Errata"
917 "on LSI53C1030 occurred."
918 "sc->req_bufflen=0x%02x,"
919 "xfer_cnt=0x%02x\n" ,
920 scsi_bufflen(sc),
921 xfer_cnt);
922 }
923 if (((sc->sense_buffer[3] & 0x80)
924 != 0x80) &&
925 (scsi_bufflen(sc) !=
926 xfer_cnt + difftransfer)) {
927 sc->sense_buffer[2] =
928 MEDIUM_ERROR;
929 sc->sense_buffer[12] = 0xff;
930 sc->sense_buffer[13] = 0xff;
931 printk(KERN_WARNING
932 "Errata on LSI53C1030 occurred"
933 "sc->req_bufflen=0x%02x,"
934 " xfer_cnt=0x%02x,"
935 "difftransfer=0x%02x\n",
936 scsi_bufflen(sc),
937 xfer_cnt,
938 difftransfer);
939 }
940 }
941
942
943
944
945
946
947
948 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
949 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
950
951 }
952 else if (scsi_state &
953 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
954 ) {
955
956
957
958 sc->result = DID_SOFT_ERROR << 16;
959 }
960 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
961
962 sc->result = DID_RESET << 16;
963 }
964 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
965
966
967
968
969
970 }
971
972 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
973 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
974
975
976
977
978
979 break;
980
981 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
982 sc->result = DID_SOFT_ERROR << 16;
983 break;
984
985 case MPI_IOCSTATUS_INVALID_FUNCTION:
986 case MPI_IOCSTATUS_INVALID_SGL:
987 case MPI_IOCSTATUS_INTERNAL_ERROR:
988 case MPI_IOCSTATUS_RESERVED:
989 case MPI_IOCSTATUS_INVALID_FIELD:
990 case MPI_IOCSTATUS_INVALID_STATE:
991 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
992 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
993 default:
994
995
996
997 sc->result = DID_SOFT_ERROR << 16;
998 break;
999
1000 }
1001
1002#ifdef CONFIG_FUSION_LOGGING
1003 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
1004 mptscsih_info_scsiio(ioc, sc, pScsiReply);
1005#endif
1006
1007 }
1008out:
1009
1010 scsi_dma_unmap(sc);
1011
1012 sc->scsi_done(sc);
1013
1014
1015 mptscsih_freeChainBuffers(ioc, req_idx);
1016 return 1;
1017}
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029void
1030mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1031{
1032 MPT_ADAPTER *ioc = hd->ioc;
1033 struct scsi_cmnd *sc;
1034 SCSIIORequest_t *mf = NULL;
1035 int ii;
1036 int channel, id;
1037
1038 for (ii= 0; ii < ioc->req_depth; ii++) {
1039 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1040 if (!sc)
1041 continue;
1042 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1043 if (!mf)
1044 continue;
1045 channel = mf->Bus;
1046 id = mf->TargetID;
1047 mptscsih_freeChainBuffers(ioc, ii);
1048 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1049 if ((unsigned char *)mf != sc->host_scribble)
1050 continue;
1051 scsi_dma_unmap(sc);
1052 sc->result = DID_RESET << 16;
1053 sc->host_scribble = NULL;
1054 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1055 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1056 "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
1057 sc->scsi_done(sc);
1058 }
1059}
1060EXPORT_SYMBOL(mptscsih_flush_running_cmds);
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076static void
1077mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1078{
1079 SCSIIORequest_t *mf = NULL;
1080 int ii;
1081 struct scsi_cmnd *sc;
1082 struct scsi_lun lun;
1083 MPT_ADAPTER *ioc = hd->ioc;
1084 unsigned long flags;
1085
1086 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1087 for (ii = 0; ii < ioc->req_depth; ii++) {
1088 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
1089
1090 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1091 if (mf == NULL)
1092 continue;
1093
1094
1095
1096 if (vdevice->vtarget->tflags &
1097 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1098 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1099 continue;
1100
1101 int_to_scsilun(vdevice->lun, &lun);
1102 if ((mf->Bus != vdevice->vtarget->channel) ||
1103 (mf->TargetID != vdevice->vtarget->id) ||
1104 memcmp(lun.scsi_lun, mf->LUN, 8))
1105 continue;
1106
1107 if ((unsigned char *)mf != sc->host_scribble)
1108 continue;
1109 ioc->ScsiLookup[ii] = NULL;
1110 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1111 mptscsih_freeChainBuffers(ioc, ii);
1112 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1113 scsi_dma_unmap(sc);
1114 sc->host_scribble = NULL;
1115 sc->result = DID_NO_CONNECT << 16;
1116 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1117 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1118 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1119 vdevice->vtarget->channel, vdevice->vtarget->id,
1120 sc, mf, ii));
1121 sc->scsi_done(sc);
1122 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1123 }
1124 }
1125 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1126 return;
1127}
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143static void
1144mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1145{
1146 long time = jiffies;
1147 MPT_SCSI_HOST *hd;
1148 MPT_ADAPTER *ioc;
1149
1150 if (sc->device == NULL)
1151 return;
1152 if (sc->device->host == NULL)
1153 return;
1154 if ((hd = shost_priv(sc->device->host)) == NULL)
1155 return;
1156 ioc = hd->ioc;
1157 if (time - hd->last_queue_full > 10 * HZ) {
1158 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n",
1159 ioc->name, 0, sc->device->id, sc->device->lun));
1160 hd->last_queue_full = time;
1161 }
1162}
1163
1164
1165
1166
1167
1168
1169
1170
1171void
1172mptscsih_remove(struct pci_dev *pdev)
1173{
1174 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1175 struct Scsi_Host *host = ioc->sh;
1176 MPT_SCSI_HOST *hd;
1177 int sz1;
1178
1179 scsi_remove_host(host);
1180
1181 if((hd = shost_priv(host)) == NULL)
1182 return;
1183
1184 mptscsih_shutdown(pdev);
1185
1186 sz1=0;
1187
1188 if (ioc->ScsiLookup != NULL) {
1189 sz1 = ioc->req_depth * sizeof(void *);
1190 kfree(ioc->ScsiLookup);
1191 ioc->ScsiLookup = NULL;
1192 }
1193
1194 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1195 "Free'd ScsiLookup (%d) memory\n",
1196 ioc->name, sz1));
1197
1198 kfree(hd->info_kbuf);
1199
1200
1201
1202 ioc->sh = NULL;
1203
1204 scsi_host_put(host);
1205
1206 mpt_detach(pdev);
1207
1208}
1209
1210
1211
1212
1213
1214
1215void
1216mptscsih_shutdown(struct pci_dev *pdev)
1217{
1218}
1219
1220#ifdef CONFIG_PM
1221
1222
1223
1224
1225
1226
1227int
1228mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1229{
1230 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1231
1232 scsi_block_requests(ioc->sh);
1233 flush_scheduled_work();
1234 mptscsih_shutdown(pdev);
1235 return mpt_suspend(pdev,state);
1236}
1237
1238
1239
1240
1241
1242
1243
1244int
1245mptscsih_resume(struct pci_dev *pdev)
1246{
1247 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1248 int rc;
1249
1250 rc = mpt_resume(pdev);
1251 scsi_unblock_requests(ioc->sh);
1252 return rc;
1253}
1254
1255#endif
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266const char *
1267mptscsih_info(struct Scsi_Host *SChost)
1268{
1269 MPT_SCSI_HOST *h;
1270 int size = 0;
1271
1272 h = shost_priv(SChost);
1273
1274 if (h) {
1275 if (h->info_kbuf == NULL)
1276 if ((h->info_kbuf = kmalloc(0x1000 , GFP_KERNEL)) == NULL)
1277 return h->info_kbuf;
1278 h->info_kbuf[0] = '\0';
1279
1280 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1281 h->info_kbuf[size-1] = '\0';
1282 }
1283
1284 return h->info_kbuf;
1285}
1286
1287int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host)
1288{
1289 MPT_SCSI_HOST *hd = shost_priv(host);
1290 MPT_ADAPTER *ioc = hd->ioc;
1291
1292 seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name);
1293 seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1294 seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts);
1295 seq_printf(m, "MaxQ=%d\n", ioc->req_depth);
1296
1297 return 0;
1298}
1299
1300
1301#define ADD_INDEX_LOG(req_ent) do { } while(0)
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315int
1316mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1317{
1318 MPT_SCSI_HOST *hd;
1319 MPT_FRAME_HDR *mf;
1320 SCSIIORequest_t *pScsiReq;
1321 VirtDevice *vdevice = SCpnt->device->hostdata;
1322 u32 datalen;
1323 u32 scsictl;
1324 u32 scsidir;
1325 u32 cmd_len;
1326 int my_idx;
1327 int ii;
1328 MPT_ADAPTER *ioc;
1329
1330 hd = shost_priv(SCpnt->device->host);
1331 ioc = hd->ioc;
1332 SCpnt->scsi_done = done;
1333
1334 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n",
1335 ioc->name, SCpnt, done));
1336
1337 if (ioc->taskmgmt_quiesce_io)
1338 return SCSI_MLQUEUE_HOST_BUSY;
1339
1340
1341
1342
1343 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1344 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1345 ioc->name));
1346 return SCSI_MLQUEUE_HOST_BUSY;
1347 }
1348
1349 pScsiReq = (SCSIIORequest_t *) mf;
1350
1351 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1352
1353 ADD_INDEX_LOG(my_idx);
1354
1355
1356
1357
1358
1359 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1360 datalen = scsi_bufflen(SCpnt);
1361 scsidir = MPI_SCSIIO_CONTROL_READ;
1362 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1363 datalen = scsi_bufflen(SCpnt);
1364 scsidir = MPI_SCSIIO_CONTROL_WRITE;
1365 } else {
1366 datalen = 0;
1367 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1368 }
1369
1370
1371
1372
1373 if (vdevice
1374 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
1375 && (SCpnt->device->tagged_supported)) {
1376 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1377 if (SCpnt->request && SCpnt->request->ioprio) {
1378 if (((SCpnt->request->ioprio & 0x7) == 1) ||
1379 !(SCpnt->request->ioprio & 0x7))
1380 scsictl |= MPI_SCSIIO_CONTROL_HEADOFQ;
1381 }
1382 } else
1383 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1384
1385
1386
1387
1388 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1389 pScsiReq->Bus = vdevice->vtarget->channel;
1390 pScsiReq->ChainOffset = 0;
1391 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1392 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1393 else
1394 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1395 pScsiReq->CDBLength = SCpnt->cmd_len;
1396 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1397 pScsiReq->Reserved = 0;
1398 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1399 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1400 pScsiReq->Control = cpu_to_le32(scsictl);
1401
1402
1403
1404
1405 cmd_len = SCpnt->cmd_len;
1406 for (ii=0; ii < cmd_len; ii++)
1407 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1408
1409 for (ii=cmd_len; ii < 16; ii++)
1410 pScsiReq->CDB[ii] = 0;
1411
1412
1413 pScsiReq->DataLength = cpu_to_le32(datalen);
1414
1415
1416 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1417 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1418
1419
1420
1421
1422 if (datalen == 0) {
1423
1424 ioc->add_sge((char *)&pScsiReq->SGL,
1425 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1426 (dma_addr_t) -1);
1427 } else {
1428
1429 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1430 goto fail;
1431 }
1432
1433 SCpnt->host_scribble = (unsigned char *)mf;
1434 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1435
1436 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1437 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1438 ioc->name, SCpnt, mf, my_idx));
1439 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1440 return 0;
1441
1442 fail:
1443 mptscsih_freeChainBuffers(ioc, my_idx);
1444 mpt_free_msg_frame(ioc, mf);
1445 return SCSI_MLQUEUE_HOST_BUSY;
1446}
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458static void
1459mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1460{
1461 MPT_FRAME_HDR *chain;
1462 unsigned long flags;
1463 int chain_idx;
1464 int next;
1465
1466
1467
1468
1469 chain_idx = ioc->ReqToChain[req_idx];
1470 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1471
1472 while (chain_idx != MPT_HOST_NO_CHAIN) {
1473
1474
1475 next = ioc->ChainToChain[chain_idx];
1476
1477
1478
1479
1480 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1481
1482 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1483 + (chain_idx * ioc->req_sz));
1484
1485 spin_lock_irqsave(&ioc->FreeQlock, flags);
1486 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1487 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1488
1489 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1490 ioc->name, chain_idx));
1491
1492
1493 chain_idx = next;
1494 }
1495 return;
1496}
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522int
1523mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun,
1524 int ctx2abort, ulong timeout)
1525{
1526 MPT_FRAME_HDR *mf;
1527 SCSITaskMgmt_t *pScsiTm;
1528 int ii;
1529 int retval;
1530 MPT_ADAPTER *ioc = hd->ioc;
1531 unsigned long timeleft;
1532 u8 issue_hard_reset;
1533 u32 ioc_raw_state;
1534 unsigned long time_count;
1535
1536 issue_hard_reset = 0;
1537 ioc_raw_state = mpt_GetIocState(ioc, 0);
1538
1539 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1540 printk(MYIOC_s_WARN_FMT
1541 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1542 ioc->name, type, ioc_raw_state);
1543 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1544 ioc->name, __func__);
1545 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1546 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1547 "FAILED!!\n", ioc->name);
1548 return 0;
1549 }
1550
1551
1552
1553
1554
1555 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
1556 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
1557 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
1558 printk(MYIOC_s_WARN_FMT
1559 "TaskMgmt type=%x: ioc_state: "
1560 "DOORBELL_ACTIVE (0x%x)!\n",
1561 ioc->name, type, ioc_raw_state);
1562 return FAILED;
1563 }
1564
1565 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1566 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1567 mf = NULL;
1568 retval = FAILED;
1569 goto out;
1570 }
1571
1572
1573
1574 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1575 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1576 "TaskMgmt no msg frames!!\n", ioc->name));
1577 retval = FAILED;
1578 mpt_clear_taskmgmt_in_progress_flag(ioc);
1579 goto out;
1580 }
1581 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1582 ioc->name, mf));
1583
1584
1585
1586 pScsiTm = (SCSITaskMgmt_t *) mf;
1587 pScsiTm->TargetID = id;
1588 pScsiTm->Bus = channel;
1589 pScsiTm->ChainOffset = 0;
1590 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1591
1592 pScsiTm->Reserved = 0;
1593 pScsiTm->TaskType = type;
1594 pScsiTm->Reserved1 = 0;
1595 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1596 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1597
1598 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1599
1600 for (ii=0; ii < 7; ii++)
1601 pScsiTm->Reserved2[ii] = 0;
1602
1603 pScsiTm->TaskMsgContext = ctx2abort;
1604
1605 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1606 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1607 type, timeout));
1608
1609 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1610
1611 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1612 time_count = jiffies;
1613 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1614 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1615 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1616 else {
1617 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1618 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1619 if (retval) {
1620 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1621 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1622 ioc->name, mf, retval));
1623 mpt_free_msg_frame(ioc, mf);
1624 mpt_clear_taskmgmt_in_progress_flag(ioc);
1625 goto out;
1626 }
1627 }
1628
1629 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1630 timeout*HZ);
1631 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1632 retval = FAILED;
1633 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1634 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1635 mpt_clear_taskmgmt_in_progress_flag(ioc);
1636 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1637 goto out;
1638 issue_hard_reset = 1;
1639 goto out;
1640 }
1641
1642 retval = mptscsih_taskmgmt_reply(ioc, type,
1643 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1644
1645 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1646 "TaskMgmt completed (%d seconds)\n",
1647 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1648
1649 out:
1650
1651 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1652 if (issue_hard_reset) {
1653 printk(MYIOC_s_WARN_FMT
1654 "Issuing Reset from %s!! doorbell=0x%08x\n",
1655 ioc->name, __func__, mpt_GetIocState(ioc, 0));
1656 retval = (ioc->bus_type == SAS) ?
1657 mpt_HardResetHandler(ioc, CAN_SLEEP) :
1658 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1659 mpt_free_msg_frame(ioc, mf);
1660 }
1661
1662 retval = (retval == 0) ? 0 : FAILED;
1663 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1664 return retval;
1665}
1666EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1667
1668static int
1669mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1670{
1671 switch (ioc->bus_type) {
1672 case FC:
1673 return 40;
1674 case SAS:
1675 return 30;
1676 case SPI:
1677 default:
1678 return 10;
1679 }
1680}
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691int
1692mptscsih_abort(struct scsi_cmnd * SCpnt)
1693{
1694 MPT_SCSI_HOST *hd;
1695 MPT_FRAME_HDR *mf;
1696 u32 ctx2abort;
1697 int scpnt_idx;
1698 int retval;
1699 VirtDevice *vdevice;
1700 MPT_ADAPTER *ioc;
1701
1702
1703
1704 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1705 SCpnt->result = DID_RESET << 16;
1706 SCpnt->scsi_done(SCpnt);
1707 printk(KERN_ERR MYNAM ": task abort: "
1708 "can't locate host! (sc=%p)\n", SCpnt);
1709 return FAILED;
1710 }
1711
1712 ioc = hd->ioc;
1713 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1714 ioc->name, SCpnt);
1715 scsi_print_command(SCpnt);
1716
1717 vdevice = SCpnt->device->hostdata;
1718 if (!vdevice || !vdevice->vtarget) {
1719 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1720 "task abort: device has been deleted (sc=%p)\n",
1721 ioc->name, SCpnt));
1722 SCpnt->result = DID_NO_CONNECT << 16;
1723 SCpnt->scsi_done(SCpnt);
1724 retval = SUCCESS;
1725 goto out;
1726 }
1727
1728
1729
1730 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1731 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1732 "task abort: hidden raid component (sc=%p)\n",
1733 ioc->name, SCpnt));
1734 SCpnt->result = DID_RESET << 16;
1735 retval = FAILED;
1736 goto out;
1737 }
1738
1739
1740
1741 if (vdevice->vtarget->raidVolume) {
1742 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1743 "task abort: raid volume (sc=%p)\n",
1744 ioc->name, SCpnt));
1745 SCpnt->result = DID_RESET << 16;
1746 retval = FAILED;
1747 goto out;
1748 }
1749
1750
1751
1752 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1753
1754
1755
1756 SCpnt->result = DID_RESET << 16;
1757 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1758 "Command not in the active list! (sc=%p)\n", ioc->name,
1759 SCpnt));
1760 retval = SUCCESS;
1761 goto out;
1762 }
1763
1764 if (ioc->timeouts < -1)
1765 ioc->timeouts++;
1766
1767 if (mpt_fwfault_debug)
1768 mpt_halt_firmware(ioc);
1769
1770
1771
1772
1773
1774
1775
1776
1777 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1778 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1779 retval = mptscsih_IssueTaskMgmt(hd,
1780 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1781 vdevice->vtarget->channel,
1782 vdevice->vtarget->id, vdevice->lun,
1783 ctx2abort, mptscsih_get_tm_timeout(ioc));
1784
1785 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
1786 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1787 "task abort: command still in active list! (sc=%p)\n",
1788 ioc->name, SCpnt));
1789 retval = FAILED;
1790 } else {
1791 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1792 "task abort: command cleared from active list! (sc=%p)\n",
1793 ioc->name, SCpnt));
1794 retval = SUCCESS;
1795 }
1796
1797 out:
1798 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
1799 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1800 SCpnt);
1801
1802 return retval;
1803}
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814int
1815mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1816{
1817 MPT_SCSI_HOST *hd;
1818 int retval;
1819 VirtDevice *vdevice;
1820 MPT_ADAPTER *ioc;
1821
1822
1823
1824 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1825 printk(KERN_ERR MYNAM ": target reset: "
1826 "Can't locate host! (sc=%p)\n", SCpnt);
1827 return FAILED;
1828 }
1829
1830 ioc = hd->ioc;
1831 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1832 ioc->name, SCpnt);
1833 scsi_print_command(SCpnt);
1834
1835 vdevice = SCpnt->device->hostdata;
1836 if (!vdevice || !vdevice->vtarget) {
1837 retval = 0;
1838 goto out;
1839 }
1840
1841
1842
1843 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1844 retval = FAILED;
1845 goto out;
1846 }
1847
1848 retval = mptscsih_IssueTaskMgmt(hd,
1849 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1850 vdevice->vtarget->channel,
1851 vdevice->vtarget->id, 0, 0,
1852 mptscsih_get_tm_timeout(ioc));
1853
1854 out:
1855 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1856 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1857
1858 if (retval == 0)
1859 return SUCCESS;
1860 else
1861 return FAILED;
1862}
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874int
1875mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1876{
1877 MPT_SCSI_HOST *hd;
1878 int retval;
1879 VirtDevice *vdevice;
1880 MPT_ADAPTER *ioc;
1881
1882
1883
1884 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1885 printk(KERN_ERR MYNAM ": bus reset: "
1886 "Can't locate host! (sc=%p)\n", SCpnt);
1887 return FAILED;
1888 }
1889
1890 ioc = hd->ioc;
1891 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1892 ioc->name, SCpnt);
1893 scsi_print_command(SCpnt);
1894
1895 if (ioc->timeouts < -1)
1896 ioc->timeouts++;
1897
1898 vdevice = SCpnt->device->hostdata;
1899 if (!vdevice || !vdevice->vtarget)
1900 return SUCCESS;
1901 retval = mptscsih_IssueTaskMgmt(hd,
1902 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1903 vdevice->vtarget->channel, 0, 0, 0,
1904 mptscsih_get_tm_timeout(ioc));
1905
1906 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1907 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1908
1909 if (retval == 0)
1910 return SUCCESS;
1911 else
1912 return FAILED;
1913}
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924int
1925mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1926{
1927 MPT_SCSI_HOST * hd;
1928 int status = SUCCESS;
1929 MPT_ADAPTER *ioc;
1930 int retval;
1931
1932
1933 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1934 printk(KERN_ERR MYNAM ": host reset: "
1935 "Can't locate host! (sc=%p)\n", SCpnt);
1936 return FAILED;
1937 }
1938
1939
1940 mptscsih_flush_running_cmds(hd);
1941
1942 ioc = hd->ioc;
1943 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1944 ioc->name, SCpnt);
1945
1946
1947
1948
1949 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1950 if (retval < 0)
1951 status = FAILED;
1952 else
1953 status = SUCCESS;
1954
1955 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1956 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1957
1958 return status;
1959}
1960
1961static int
1962mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
1963 SCSITaskMgmtReply_t *pScsiTmReply)
1964{
1965 u16 iocstatus;
1966 u32 termination_count;
1967 int retval;
1968
1969 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
1970 retval = FAILED;
1971 goto out;
1972 }
1973
1974 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
1975
1976 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
1977 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
1978
1979 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1980 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
1981 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
1982 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
1983 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
1984 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
1985 termination_count));
1986
1987 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
1988 pScsiTmReply->ResponseCode)
1989 mptscsih_taskmgmt_response_code(ioc,
1990 pScsiTmReply->ResponseCode);
1991
1992 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
1993 retval = 0;
1994 goto out;
1995 }
1996
1997 retval = FAILED;
1998 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
1999 if (termination_count == 1)
2000 retval = 0;
2001 goto out;
2002 }
2003
2004 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
2005 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2006 retval = 0;
2007
2008 out:
2009 return retval;
2010}
2011
2012
2013void
2014mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2015{
2016 char *desc;
2017
2018 switch (response_code) {
2019 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2020 desc = "The task completed.";
2021 break;
2022 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2023 desc = "The IOC received an invalid frame status.";
2024 break;
2025 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2026 desc = "The task type is not supported.";
2027 break;
2028 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2029 desc = "The requested task failed.";
2030 break;
2031 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2032 desc = "The task completed successfully.";
2033 break;
2034 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2035 desc = "The LUN request is invalid.";
2036 break;
2037 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2038 desc = "The task is in the IOC queue and has not been sent to target.";
2039 break;
2040 default:
2041 desc = "unknown";
2042 break;
2043 }
2044 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2045 ioc->name, response_code, desc);
2046}
2047EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063int
2064mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2065 MPT_FRAME_HDR *mr)
2066{
2067 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2068 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2069
2070 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2071
2072 if (!mr)
2073 goto out;
2074
2075 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2076 memcpy(ioc->taskmgmt_cmds.reply, mr,
2077 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2078 out:
2079 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2080 mpt_clear_taskmgmt_in_progress_flag(ioc);
2081 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2082 complete(&ioc->taskmgmt_cmds.done);
2083 if (ioc->bus_type == SAS)
2084 ioc->schedule_target_reset(ioc);
2085 return 1;
2086 }
2087 return 0;
2088}
2089
2090
2091
2092
2093
2094int
2095mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2096 sector_t capacity, int geom[])
2097{
2098 int heads;
2099 int sectors;
2100 sector_t cylinders;
2101 ulong dummy;
2102
2103 heads = 64;
2104 sectors = 32;
2105
2106 dummy = heads * sectors;
2107 cylinders = capacity;
2108 sector_div(cylinders,dummy);
2109
2110
2111
2112
2113
2114 if ((ulong)capacity >= 0x200000) {
2115 heads = 255;
2116 sectors = 63;
2117 dummy = heads * sectors;
2118 cylinders = capacity;
2119 sector_div(cylinders,dummy);
2120 }
2121
2122
2123 geom[0] = heads;
2124 geom[1] = sectors;
2125 geom[2] = cylinders;
2126
2127 return 0;
2128}
2129
2130
2131
2132
2133int
2134mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2135{
2136 struct inactive_raid_component_info *component_info;
2137 int i, j;
2138 RaidPhysDiskPage1_t *phys_disk;
2139 int rc = 0;
2140 int num_paths;
2141
2142 if (!ioc->raid_data.pIocPg3)
2143 goto out;
2144 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2145 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2146 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2147 rc = 1;
2148 goto out;
2149 }
2150 }
2151
2152 if (ioc->bus_type != SAS)
2153 goto out;
2154
2155
2156
2157
2158 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2159 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2160 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2161 if (num_paths < 2)
2162 continue;
2163 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2164 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2165 if (!phys_disk)
2166 continue;
2167 if ((mpt_raid_phys_disk_pg1(ioc,
2168 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2169 phys_disk))) {
2170 kfree(phys_disk);
2171 continue;
2172 }
2173 for (j = 0; j < num_paths; j++) {
2174 if ((phys_disk->Path[j].Flags &
2175 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2176 continue;
2177 if ((phys_disk->Path[j].Flags &
2178 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2179 continue;
2180 if ((id == phys_disk->Path[j].PhysDiskID) &&
2181 (channel == phys_disk->Path[j].PhysDiskBus)) {
2182 rc = 1;
2183 kfree(phys_disk);
2184 goto out;
2185 }
2186 }
2187 kfree(phys_disk);
2188 }
2189
2190
2191
2192
2193
2194 if (list_empty(&ioc->raid_data.inactive_list))
2195 goto out;
2196
2197 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2198 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2199 list) {
2200 if ((component_info->d.PhysDiskID == id) &&
2201 (component_info->d.PhysDiskBus == channel))
2202 rc = 1;
2203 }
2204 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2205
2206 out:
2207 return rc;
2208}
2209EXPORT_SYMBOL(mptscsih_is_phys_disk);
2210
2211u8
2212mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2213{
2214 struct inactive_raid_component_info *component_info;
2215 int i, j;
2216 RaidPhysDiskPage1_t *phys_disk;
2217 int rc = -ENXIO;
2218 int num_paths;
2219
2220 if (!ioc->raid_data.pIocPg3)
2221 goto out;
2222 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2223 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2224 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2225 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2226 goto out;
2227 }
2228 }
2229
2230 if (ioc->bus_type != SAS)
2231 goto out;
2232
2233
2234
2235
2236 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2237 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2238 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2239 if (num_paths < 2)
2240 continue;
2241 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2242 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2243 if (!phys_disk)
2244 continue;
2245 if ((mpt_raid_phys_disk_pg1(ioc,
2246 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2247 phys_disk))) {
2248 kfree(phys_disk);
2249 continue;
2250 }
2251 for (j = 0; j < num_paths; j++) {
2252 if ((phys_disk->Path[j].Flags &
2253 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2254 continue;
2255 if ((phys_disk->Path[j].Flags &
2256 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2257 continue;
2258 if ((id == phys_disk->Path[j].PhysDiskID) &&
2259 (channel == phys_disk->Path[j].PhysDiskBus)) {
2260 rc = phys_disk->PhysDiskNum;
2261 kfree(phys_disk);
2262 goto out;
2263 }
2264 }
2265 kfree(phys_disk);
2266 }
2267
2268
2269
2270
2271 if (list_empty(&ioc->raid_data.inactive_list))
2272 goto out;
2273
2274 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2275 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2276 list) {
2277 if ((component_info->d.PhysDiskID == id) &&
2278 (component_info->d.PhysDiskBus == channel))
2279 rc = component_info->d.PhysDiskNum;
2280 }
2281 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2282
2283 out:
2284 return rc;
2285}
2286EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2287
2288
2289
2290
2291
2292void
2293mptscsih_slave_destroy(struct scsi_device *sdev)
2294{
2295 struct Scsi_Host *host = sdev->host;
2296 MPT_SCSI_HOST *hd = shost_priv(host);
2297 VirtTarget *vtarget;
2298 VirtDevice *vdevice;
2299 struct scsi_target *starget;
2300
2301 starget = scsi_target(sdev);
2302 vtarget = starget->hostdata;
2303 vdevice = sdev->hostdata;
2304 if (!vdevice)
2305 return;
2306
2307 mptscsih_search_running_cmds(hd, vdevice);
2308 vtarget->num_luns--;
2309 mptscsih_synchronize_cache(hd, vdevice);
2310 kfree(vdevice);
2311 sdev->hostdata = NULL;
2312}
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323int
2324mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
2325{
2326 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2327 VirtTarget *vtarget;
2328 struct scsi_target *starget;
2329 int max_depth;
2330 int tagged;
2331 MPT_ADAPTER *ioc = hd->ioc;
2332
2333 starget = scsi_target(sdev);
2334 vtarget = starget->hostdata;
2335
2336 if (reason != SCSI_QDEPTH_DEFAULT)
2337 return -EOPNOTSUPP;
2338
2339 if (ioc->bus_type == SPI) {
2340 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2341 max_depth = 1;
2342 else if (sdev->type == TYPE_DISK &&
2343 vtarget->minSyncFactor <= MPT_ULTRA160)
2344 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2345 else
2346 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2347 } else
2348 max_depth = ioc->sh->can_queue;
2349
2350 if (!sdev->tagged_supported)
2351 max_depth = 1;
2352
2353 if (qdepth > max_depth)
2354 qdepth = max_depth;
2355 if (qdepth == 1)
2356 tagged = 0;
2357 else
2358 tagged = MSG_SIMPLE_TAG;
2359
2360 scsi_adjust_queue_depth(sdev, tagged, qdepth);
2361 return sdev->queue_depth;
2362}
2363
2364
2365
2366
2367
2368
2369
2370int
2371mptscsih_slave_configure(struct scsi_device *sdev)
2372{
2373 struct Scsi_Host *sh = sdev->host;
2374 VirtTarget *vtarget;
2375 VirtDevice *vdevice;
2376 struct scsi_target *starget;
2377 MPT_SCSI_HOST *hd = shost_priv(sh);
2378 MPT_ADAPTER *ioc = hd->ioc;
2379
2380 starget = scsi_target(sdev);
2381 vtarget = starget->hostdata;
2382 vdevice = sdev->hostdata;
2383
2384 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2385 "device @ %p, channel=%d, id=%d, lun=%d\n",
2386 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2387 if (ioc->bus_type == SPI)
2388 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2389 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2390 ioc->name, sdev->sdtr, sdev->wdtr,
2391 sdev->ppr, sdev->inquiry_len));
2392
2393 vdevice->configured_lun = 1;
2394
2395 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2396 "Queue depth=%d, tflags=%x\n",
2397 ioc->name, sdev->queue_depth, vtarget->tflags));
2398
2399 if (ioc->bus_type == SPI)
2400 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2401 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2402 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2403 vtarget->minSyncFactor));
2404
2405 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH,
2406 SCSI_QDEPTH_DEFAULT);
2407 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2408 "tagged %d, simple %d, ordered %d\n",
2409 ioc->name,sdev->tagged_supported, sdev->simple_tags,
2410 sdev->ordered_tags));
2411
2412 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2413
2414 return 0;
2415}
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427static void
2428mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2429{
2430 VirtDevice *vdevice;
2431 SCSIIORequest_t *pReq;
2432 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2433 MPT_ADAPTER *ioc = hd->ioc;
2434
2435
2436
2437 pReq = (SCSIIORequest_t *) mf;
2438 vdevice = sc->device->hostdata;
2439
2440 if (sense_count) {
2441 u8 *sense_data;
2442 int req_index;
2443
2444
2445 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2446 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2447 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2448
2449
2450
2451 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2452 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2453 int idx;
2454
2455 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2456 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2457 ioc->events[idx].eventContext = ioc->eventContext;
2458
2459 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2460 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2461 (sc->device->channel << 8) | sc->device->id;
2462
2463 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2464
2465 ioc->eventContext++;
2466 if (ioc->pcidev->vendor ==
2467 PCI_VENDOR_ID_IBM) {
2468 mptscsih_issue_sep_command(ioc,
2469 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2470 vdevice->vtarget->tflags |=
2471 MPT_TARGET_FLAGS_LED_ON;
2472 }
2473 }
2474 }
2475 } else {
2476 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2477 ioc->name));
2478 }
2479}
2480
2481
2482
2483
2484
2485
2486
2487
2488struct scsi_cmnd *
2489mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2490{
2491 unsigned long flags;
2492 struct scsi_cmnd *scmd;
2493
2494 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2495 scmd = ioc->ScsiLookup[i];
2496 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2497
2498 return scmd;
2499}
2500EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510static struct scsi_cmnd *
2511mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2512{
2513 unsigned long flags;
2514 struct scsi_cmnd *scmd;
2515
2516 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2517 scmd = ioc->ScsiLookup[i];
2518 ioc->ScsiLookup[i] = NULL;
2519 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2520
2521 return scmd;
2522}
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532static void
2533mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2534{
2535 unsigned long flags;
2536
2537 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2538 ioc->ScsiLookup[i] = scmd;
2539 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2540}
2541
2542
2543
2544
2545
2546
2547static int
2548SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2549{
2550 unsigned long flags;
2551 int i, index=-1;
2552
2553 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2554 for (i = 0; i < ioc->req_depth; i++) {
2555 if (ioc->ScsiLookup[i] == sc) {
2556 index = i;
2557 goto out;
2558 }
2559 }
2560
2561 out:
2562 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2563 return index;
2564}
2565
2566
2567int
2568mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2569{
2570 MPT_SCSI_HOST *hd;
2571
2572 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2573 return 0;
2574
2575 hd = shost_priv(ioc->sh);
2576 switch (reset_phase) {
2577 case MPT_IOC_SETUP_RESET:
2578 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2579 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2580 break;
2581 case MPT_IOC_PRE_RESET:
2582 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2583 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2584 mptscsih_flush_running_cmds(hd);
2585 break;
2586 case MPT_IOC_POST_RESET:
2587 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2588 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2589 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2590 ioc->internal_cmds.status |=
2591 MPT_MGMT_STATUS_DID_IOCRESET;
2592 complete(&ioc->internal_cmds.done);
2593 }
2594 break;
2595 default:
2596 break;
2597 }
2598 return 1;
2599}
2600
2601
2602int
2603mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2604{
2605 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2606
2607 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2608 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2609 ioc->name, event));
2610
2611 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2612 event == MPI_EVENT_EXT_BUS_RESET) &&
2613 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2614 ioc->soft_resets++;
2615
2616 return 1;
2617}
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644int
2645mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2646 MPT_FRAME_HDR *reply)
2647{
2648 SCSIIORequest_t *pReq;
2649 SCSIIOReply_t *pReply;
2650 u8 cmd;
2651 u16 req_idx;
2652 u8 *sense_data;
2653 int sz;
2654
2655 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2656 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2657 if (!reply)
2658 goto out;
2659
2660 pReply = (SCSIIOReply_t *) reply;
2661 pReq = (SCSIIORequest_t *) req;
2662 ioc->internal_cmds.completion_code =
2663 mptscsih_get_completion_code(ioc, req, reply);
2664 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2665 memcpy(ioc->internal_cmds.reply, reply,
2666 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2667 cmd = reply->u.hdr.Function;
2668 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2669 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2670 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2671 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2672 sense_data = ((u8 *)ioc->sense_buf_pool +
2673 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2674 sz = min_t(int, pReq->SenseBufferLength,
2675 MPT_SENSE_BUFFER_ALLOC);
2676 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2677 }
2678 out:
2679 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2680 return 0;
2681 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2682 complete(&ioc->internal_cmds.done);
2683 return 1;
2684}
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694static int
2695mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2696 MPT_FRAME_HDR *reply)
2697{
2698 SCSIIOReply_t *pReply;
2699 MpiRaidActionReply_t *pr;
2700 u8 scsi_status;
2701 u16 status;
2702 int completion_code;
2703
2704 pReply = (SCSIIOReply_t *)reply;
2705 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2706 scsi_status = pReply->SCSIStatus;
2707
2708 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2709 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2710 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2711 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2712
2713 switch (status) {
2714
2715 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
2716 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2717 break;
2718
2719 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
2720 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
2721 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
2722 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
2723 completion_code = MPT_SCANDV_DID_RESET;
2724 break;
2725
2726 case MPI_IOCSTATUS_BUSY:
2727 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2728 completion_code = MPT_SCANDV_BUSY;
2729 break;
2730
2731 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
2732 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR:
2733 case MPI_IOCSTATUS_SUCCESS:
2734 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2735 completion_code = MPT_SCANDV_GOOD;
2736 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2737 pr = (MpiRaidActionReply_t *)reply;
2738 if (le16_to_cpu(pr->ActionStatus) ==
2739 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2740 completion_code = MPT_SCANDV_GOOD;
2741 else
2742 completion_code = MPT_SCANDV_SOME_ERROR;
2743 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2744 completion_code = MPT_SCANDV_SENSE;
2745 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2746 if (req->u.scsireq.CDB[0] == INQUIRY)
2747 completion_code = MPT_SCANDV_ISSUE_SENSE;
2748 else
2749 completion_code = MPT_SCANDV_DID_RESET;
2750 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2751 completion_code = MPT_SCANDV_DID_RESET;
2752 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2753 completion_code = MPT_SCANDV_DID_RESET;
2754 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2755 completion_code = MPT_SCANDV_BUSY;
2756 else
2757 completion_code = MPT_SCANDV_GOOD;
2758 break;
2759
2760 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
2761 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2762 completion_code = MPT_SCANDV_DID_RESET;
2763 else
2764 completion_code = MPT_SCANDV_SOME_ERROR;
2765 break;
2766 default:
2767 completion_code = MPT_SCANDV_SOME_ERROR;
2768 break;
2769
2770 }
2771
2772 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2773 " completionCode set to %08xh\n", ioc->name, completion_code));
2774 return completion_code;
2775}
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797static int
2798mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2799{
2800 MPT_FRAME_HDR *mf;
2801 SCSIIORequest_t *pScsiReq;
2802 int my_idx, ii, dir;
2803 int timeout;
2804 char cmdLen;
2805 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2806 u8 cmd = io->cmd;
2807 MPT_ADAPTER *ioc = hd->ioc;
2808 int ret = 0;
2809 unsigned long timeleft;
2810 unsigned long flags;
2811
2812
2813 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2814 if (ioc->ioc_reset_in_progress) {
2815 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2816 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2817 "%s: busy with host reset\n", ioc->name, __func__));
2818 return MPT_SCANDV_BUSY;
2819 }
2820 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2821
2822 mutex_lock(&ioc->internal_cmds.mutex);
2823
2824
2825
2826 switch (cmd) {
2827 case INQUIRY:
2828 cmdLen = 6;
2829 dir = MPI_SCSIIO_CONTROL_READ;
2830 CDB[0] = cmd;
2831 CDB[4] = io->size;
2832 timeout = 10;
2833 break;
2834
2835 case TEST_UNIT_READY:
2836 cmdLen = 6;
2837 dir = MPI_SCSIIO_CONTROL_READ;
2838 timeout = 10;
2839 break;
2840
2841 case START_STOP:
2842 cmdLen = 6;
2843 dir = MPI_SCSIIO_CONTROL_READ;
2844 CDB[0] = cmd;
2845 CDB[4] = 1;
2846 timeout = 15;
2847 break;
2848
2849 case REQUEST_SENSE:
2850 cmdLen = 6;
2851 CDB[0] = cmd;
2852 CDB[4] = io->size;
2853 dir = MPI_SCSIIO_CONTROL_READ;
2854 timeout = 10;
2855 break;
2856
2857 case READ_BUFFER:
2858 cmdLen = 10;
2859 dir = MPI_SCSIIO_CONTROL_READ;
2860 CDB[0] = cmd;
2861 if (io->flags & MPT_ICFLAG_ECHO) {
2862 CDB[1] = 0x0A;
2863 } else {
2864 CDB[1] = 0x02;
2865 }
2866
2867 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2868 CDB[1] |= 0x01;
2869 }
2870 CDB[6] = (io->size >> 16) & 0xFF;
2871 CDB[7] = (io->size >> 8) & 0xFF;
2872 CDB[8] = io->size & 0xFF;
2873 timeout = 10;
2874 break;
2875
2876 case WRITE_BUFFER:
2877 cmdLen = 10;
2878 dir = MPI_SCSIIO_CONTROL_WRITE;
2879 CDB[0] = cmd;
2880 if (io->flags & MPT_ICFLAG_ECHO) {
2881 CDB[1] = 0x0A;
2882 } else {
2883 CDB[1] = 0x02;
2884 }
2885 CDB[6] = (io->size >> 16) & 0xFF;
2886 CDB[7] = (io->size >> 8) & 0xFF;
2887 CDB[8] = io->size & 0xFF;
2888 timeout = 10;
2889 break;
2890
2891 case RESERVE:
2892 cmdLen = 6;
2893 dir = MPI_SCSIIO_CONTROL_READ;
2894 CDB[0] = cmd;
2895 timeout = 10;
2896 break;
2897
2898 case RELEASE:
2899 cmdLen = 6;
2900 dir = MPI_SCSIIO_CONTROL_READ;
2901 CDB[0] = cmd;
2902 timeout = 10;
2903 break;
2904
2905 case SYNCHRONIZE_CACHE:
2906 cmdLen = 10;
2907 dir = MPI_SCSIIO_CONTROL_READ;
2908 CDB[0] = cmd;
2909
2910 timeout = 10;
2911 break;
2912
2913 default:
2914
2915 ret = -EFAULT;
2916 goto out;
2917 }
2918
2919
2920
2921
2922 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
2923 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2924 ioc->name, __func__));
2925 ret = MPT_SCANDV_BUSY;
2926 goto out;
2927 }
2928
2929 pScsiReq = (SCSIIORequest_t *) mf;
2930
2931
2932 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2933 ADD_INDEX_LOG(my_idx);
2934
2935 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2936 pScsiReq->TargetID = io->physDiskNum;
2937 pScsiReq->Bus = 0;
2938 pScsiReq->ChainOffset = 0;
2939 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2940 } else {
2941 pScsiReq->TargetID = io->id;
2942 pScsiReq->Bus = io->channel;
2943 pScsiReq->ChainOffset = 0;
2944 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2945 }
2946
2947 pScsiReq->CDBLength = cmdLen;
2948 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2949
2950 pScsiReq->Reserved = 0;
2951
2952 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
2953
2954
2955 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
2956
2957 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2958 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
2959 else
2960 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2961
2962 if (cmd == REQUEST_SENSE) {
2963 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2964 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2965 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
2966 }
2967
2968 for (ii = 0; ii < 16; ii++)
2969 pScsiReq->CDB[ii] = CDB[ii];
2970
2971 pScsiReq->DataLength = cpu_to_le32(io->size);
2972 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
2973 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
2974
2975 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2976 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n",
2977 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
2978
2979 if (dir == MPI_SCSIIO_CONTROL_READ)
2980 ioc->add_sge((char *) &pScsiReq->SGL,
2981 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
2982 else
2983 ioc->add_sge((char *) &pScsiReq->SGL,
2984 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
2985
2986 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
2987 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
2988 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
2989 timeout*HZ);
2990 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2991 ret = MPT_SCANDV_DID_RESET;
2992 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2993 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
2994 cmd));
2995 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
2996 mpt_free_msg_frame(ioc, mf);
2997 goto out;
2998 }
2999 if (!timeleft) {
3000 printk(MYIOC_s_WARN_FMT
3001 "Issuing Reset from %s!! doorbell=0x%08xh"
3002 " cmd=0x%02x\n",
3003 ioc->name, __func__, mpt_GetIocState(ioc, 0),
3004 cmd);
3005 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
3006 mpt_free_msg_frame(ioc, mf);
3007 }
3008 goto out;
3009 }
3010
3011 ret = ioc->internal_cmds.completion_code;
3012 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
3013 ioc->name, __func__, ret));
3014
3015 out:
3016 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
3017 mutex_unlock(&ioc->internal_cmds.mutex);
3018 return ret;
3019}
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031static void
3032mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3033{
3034 INTERNAL_CMD iocmd;
3035
3036
3037
3038
3039 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3040 return;
3041
3042 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3043 !vdevice->configured_lun)
3044 return;
3045
3046
3047
3048
3049 iocmd.cmd = SYNCHRONIZE_CACHE;
3050 iocmd.flags = 0;
3051 iocmd.physDiskNum = -1;
3052 iocmd.data = NULL;
3053 iocmd.data_dma = -1;
3054 iocmd.size = 0;
3055 iocmd.rsvd = iocmd.rsvd2 = 0;
3056 iocmd.channel = vdevice->vtarget->channel;
3057 iocmd.id = vdevice->vtarget->id;
3058 iocmd.lun = vdevice->lun;
3059
3060 mptscsih_do_cmd(hd, &iocmd);
3061}
3062
3063static ssize_t
3064mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3065 char *buf)
3066{
3067 struct Scsi_Host *host = class_to_shost(dev);
3068 MPT_SCSI_HOST *hd = shost_priv(host);
3069 MPT_ADAPTER *ioc = hd->ioc;
3070
3071 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3072 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3073 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3074 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3075 ioc->facts.FWVersion.Word & 0x000000FF);
3076}
3077static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3078
3079static ssize_t
3080mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3081 char *buf)
3082{
3083 struct Scsi_Host *host = class_to_shost(dev);
3084 MPT_SCSI_HOST *hd = shost_priv(host);
3085 MPT_ADAPTER *ioc = hd->ioc;
3086
3087 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3088 (ioc->biosVersion & 0xFF000000) >> 24,
3089 (ioc->biosVersion & 0x00FF0000) >> 16,
3090 (ioc->biosVersion & 0x0000FF00) >> 8,
3091 ioc->biosVersion & 0x000000FF);
3092}
3093static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3094
3095static ssize_t
3096mptscsih_version_mpi_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, "%03x\n", ioc->facts.MsgVersion);
3104}
3105static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3106
3107static ssize_t
3108mptscsih_version_product_show(struct device *dev,
3109 struct device_attribute *attr,
3110char *buf)
3111{
3112 struct Scsi_Host *host = class_to_shost(dev);
3113 MPT_SCSI_HOST *hd = shost_priv(host);
3114 MPT_ADAPTER *ioc = hd->ioc;
3115
3116 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3117}
3118static DEVICE_ATTR(version_product, S_IRUGO,
3119 mptscsih_version_product_show, NULL);
3120
3121static ssize_t
3122mptscsih_version_nvdata_persistent_show(struct device *dev,
3123 struct device_attribute *attr,
3124 char *buf)
3125{
3126 struct Scsi_Host *host = class_to_shost(dev);
3127 MPT_SCSI_HOST *hd = shost_priv(host);
3128 MPT_ADAPTER *ioc = hd->ioc;
3129
3130 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3131 ioc->nvdata_version_persistent);
3132}
3133static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3134 mptscsih_version_nvdata_persistent_show, NULL);
3135
3136static ssize_t
3137mptscsih_version_nvdata_default_show(struct device *dev,
3138 struct device_attribute *attr, char *buf)
3139{
3140 struct Scsi_Host *host = class_to_shost(dev);
3141 MPT_SCSI_HOST *hd = shost_priv(host);
3142 MPT_ADAPTER *ioc = hd->ioc;
3143
3144 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3145}
3146static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3147 mptscsih_version_nvdata_default_show, NULL);
3148
3149static ssize_t
3150mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3151 char *buf)
3152{
3153 struct Scsi_Host *host = class_to_shost(dev);
3154 MPT_SCSI_HOST *hd = shost_priv(host);
3155 MPT_ADAPTER *ioc = hd->ioc;
3156
3157 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3158}
3159static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3160
3161static ssize_t
3162mptscsih_board_assembly_show(struct device *dev,
3163 struct device_attribute *attr, char *buf)
3164{
3165 struct Scsi_Host *host = class_to_shost(dev);
3166 MPT_SCSI_HOST *hd = shost_priv(host);
3167 MPT_ADAPTER *ioc = hd->ioc;
3168
3169 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3170}
3171static DEVICE_ATTR(board_assembly, S_IRUGO,
3172 mptscsih_board_assembly_show, NULL);
3173
3174static ssize_t
3175mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3176 char *buf)
3177{
3178 struct Scsi_Host *host = class_to_shost(dev);
3179 MPT_SCSI_HOST *hd = shost_priv(host);
3180 MPT_ADAPTER *ioc = hd->ioc;
3181
3182 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3183}
3184static DEVICE_ATTR(board_tracer, S_IRUGO,
3185 mptscsih_board_tracer_show, NULL);
3186
3187static ssize_t
3188mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3189 char *buf)
3190{
3191 struct Scsi_Host *host = class_to_shost(dev);
3192 MPT_SCSI_HOST *hd = shost_priv(host);
3193 MPT_ADAPTER *ioc = hd->ioc;
3194
3195 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3196}
3197static DEVICE_ATTR(io_delay, S_IRUGO,
3198 mptscsih_io_delay_show, NULL);
3199
3200static ssize_t
3201mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3202 char *buf)
3203{
3204 struct Scsi_Host *host = class_to_shost(dev);
3205 MPT_SCSI_HOST *hd = shost_priv(host);
3206 MPT_ADAPTER *ioc = hd->ioc;
3207
3208 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3209}
3210static DEVICE_ATTR(device_delay, S_IRUGO,
3211 mptscsih_device_delay_show, NULL);
3212
3213static ssize_t
3214mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3215 char *buf)
3216{
3217 struct Scsi_Host *host = class_to_shost(dev);
3218 MPT_SCSI_HOST *hd = shost_priv(host);
3219 MPT_ADAPTER *ioc = hd->ioc;
3220
3221 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3222}
3223static ssize_t
3224mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3225 const char *buf, size_t count)
3226{
3227 struct Scsi_Host *host = class_to_shost(dev);
3228 MPT_SCSI_HOST *hd = shost_priv(host);
3229 MPT_ADAPTER *ioc = hd->ioc;
3230 int val = 0;
3231
3232 if (sscanf(buf, "%x", &val) != 1)
3233 return -EINVAL;
3234
3235 ioc->debug_level = val;
3236 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3237 ioc->name, ioc->debug_level);
3238 return strlen(buf);
3239}
3240static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3241 mptscsih_debug_level_show, mptscsih_debug_level_store);
3242
3243struct device_attribute *mptscsih_host_attrs[] = {
3244 &dev_attr_version_fw,
3245 &dev_attr_version_bios,
3246 &dev_attr_version_mpi,
3247 &dev_attr_version_product,
3248 &dev_attr_version_nvdata_persistent,
3249 &dev_attr_version_nvdata_default,
3250 &dev_attr_board_name,
3251 &dev_attr_board_assembly,
3252 &dev_attr_board_tracer,
3253 &dev_attr_io_delay,
3254 &dev_attr_device_delay,
3255 &dev_attr_debug_level,
3256 NULL,
3257};
3258
3259EXPORT_SYMBOL(mptscsih_host_attrs);
3260
3261EXPORT_SYMBOL(mptscsih_remove);
3262EXPORT_SYMBOL(mptscsih_shutdown);
3263#ifdef CONFIG_PM
3264EXPORT_SYMBOL(mptscsih_suspend);
3265EXPORT_SYMBOL(mptscsih_resume);
3266#endif
3267EXPORT_SYMBOL(mptscsih_show_info);
3268EXPORT_SYMBOL(mptscsih_info);
3269EXPORT_SYMBOL(mptscsih_qcmd);
3270EXPORT_SYMBOL(mptscsih_slave_destroy);
3271EXPORT_SYMBOL(mptscsih_slave_configure);
3272EXPORT_SYMBOL(mptscsih_abort);
3273EXPORT_SYMBOL(mptscsih_dev_reset);
3274EXPORT_SYMBOL(mptscsih_bus_reset);
3275EXPORT_SYMBOL(mptscsih_host_reset);
3276EXPORT_SYMBOL(mptscsih_bios_param);
3277EXPORT_SYMBOL(mptscsih_io_done);
3278EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3279EXPORT_SYMBOL(mptscsih_scandv_complete);
3280EXPORT_SYMBOL(mptscsih_event_process);
3281EXPORT_SYMBOL(mptscsih_ioc_reset);
3282EXPORT_SYMBOL(mptscsih_change_queue_depth);
3283
3284
3285