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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
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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
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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
796 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
797 if (ioc->bus_type == FC)
798 sc->result = DID_ERROR << 16;
799 else
800 sc->result = DID_RESET << 16;
801 break;
802
803 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
804 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
805 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
806 sc->result=DID_SOFT_ERROR << 16;
807 else
808 sc->result = (DID_OK << 16) | scsi_status;
809 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
810 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
811 ioc->name, sc->result, sc->device->channel, sc->device->id));
812 break;
813
814 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
815
816
817
818
819 sc->result = (DID_OK << 16) | scsi_status;
820 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
821
822
823
824
825
826
827
828
829 if (ioc->bus_type == SPI) {
830 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
831 pScsiReq->CDB[0] == READ_10 ||
832 pScsiReq->CDB[0] == READ_12 ||
833 (pScsiReq->CDB[0] == READ_16 &&
834 ((pScsiReq->CDB[1] & 0x02) == 0)) ||
835 pScsiReq->CDB[0] == VERIFY ||
836 pScsiReq->CDB[0] == VERIFY_16) {
837 if (scsi_bufflen(sc) !=
838 xfer_cnt) {
839 sc->result =
840 DID_SOFT_ERROR << 16;
841 printk(KERN_WARNING "Errata"
842 "on LSI53C1030 occurred."
843 "sc->req_bufflen=0x%02x,"
844 "xfer_cnt=0x%02x\n",
845 scsi_bufflen(sc),
846 xfer_cnt);
847 }
848 }
849 }
850
851 if (xfer_cnt < sc->underflow) {
852 if (scsi_status == SAM_STAT_BUSY)
853 sc->result = SAM_STAT_BUSY;
854 else
855 sc->result = DID_SOFT_ERROR << 16;
856 }
857 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
858
859
860 sc->result = DID_SOFT_ERROR << 16;
861 }
862 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
863
864 sc->result = DID_RESET << 16;
865 }
866 }
867
868
869 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
870 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
871 ioc->name, sc->underflow));
872 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
873 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
874
875
876
877 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
878 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
879
880 break;
881
882 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
883 scsi_set_resid(sc, 0);
884 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR:
885 case MPI_IOCSTATUS_SUCCESS:
886 sc->result = (DID_OK << 16) | scsi_status;
887 if (scsi_state == 0) {
888 ;
889 } else if (scsi_state &
890 MPI_SCSI_STATE_AUTOSENSE_VALID) {
891
892
893
894
895
896
897
898
899
900 if ((ioc->bus_type == SPI) &&
901 (sc->sense_buffer[2] & 0x20)) {
902 u32 difftransfer;
903 difftransfer =
904 sc->sense_buffer[3] << 24 |
905 sc->sense_buffer[4] << 16 |
906 sc->sense_buffer[5] << 8 |
907 sc->sense_buffer[6];
908 if (((sc->sense_buffer[3] & 0x80) ==
909 0x80) && (scsi_bufflen(sc)
910 != xfer_cnt)) {
911 sc->sense_buffer[2] =
912 MEDIUM_ERROR;
913 sc->sense_buffer[12] = 0xff;
914 sc->sense_buffer[13] = 0xff;
915 printk(KERN_WARNING"Errata"
916 "on LSI53C1030 occurred."
917 "sc->req_bufflen=0x%02x,"
918 "xfer_cnt=0x%02x\n" ,
919 scsi_bufflen(sc),
920 xfer_cnt);
921 }
922 if (((sc->sense_buffer[3] & 0x80)
923 != 0x80) &&
924 (scsi_bufflen(sc) !=
925 xfer_cnt + difftransfer)) {
926 sc->sense_buffer[2] =
927 MEDIUM_ERROR;
928 sc->sense_buffer[12] = 0xff;
929 sc->sense_buffer[13] = 0xff;
930 printk(KERN_WARNING
931 "Errata on LSI53C1030 occurred"
932 "sc->req_bufflen=0x%02x,"
933 " xfer_cnt=0x%02x,"
934 "difftransfer=0x%02x\n",
935 scsi_bufflen(sc),
936 xfer_cnt,
937 difftransfer);
938 }
939 }
940
941
942
943
944
945
946
947 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
948 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
949
950 }
951 else if (scsi_state &
952 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
953 ) {
954
955
956
957 sc->result = DID_SOFT_ERROR << 16;
958 }
959 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
960
961 sc->result = DID_RESET << 16;
962 }
963 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
964
965
966
967
968
969 }
970
971 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
972 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
973
974
975
976
977
978 break;
979
980 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
981 sc->result = DID_SOFT_ERROR << 16;
982 break;
983
984 case MPI_IOCSTATUS_INVALID_FUNCTION:
985 case MPI_IOCSTATUS_INVALID_SGL:
986 case MPI_IOCSTATUS_INTERNAL_ERROR:
987 case MPI_IOCSTATUS_RESERVED:
988 case MPI_IOCSTATUS_INVALID_FIELD:
989 case MPI_IOCSTATUS_INVALID_STATE:
990 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
991 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
992 default:
993
994
995
996 sc->result = DID_SOFT_ERROR << 16;
997 break;
998
999 }
1000
1001#ifdef CONFIG_FUSION_LOGGING
1002 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
1003 mptscsih_info_scsiio(ioc, sc, pScsiReply);
1004#endif
1005
1006 }
1007out:
1008
1009 scsi_dma_unmap(sc);
1010
1011 sc->scsi_done(sc);
1012
1013
1014 mptscsih_freeChainBuffers(ioc, req_idx);
1015 return 1;
1016}
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028void
1029mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1030{
1031 MPT_ADAPTER *ioc = hd->ioc;
1032 struct scsi_cmnd *sc;
1033 SCSIIORequest_t *mf = NULL;
1034 int ii;
1035 int channel, id;
1036
1037 for (ii= 0; ii < ioc->req_depth; ii++) {
1038 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1039 if (!sc)
1040 continue;
1041 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1042 if (!mf)
1043 continue;
1044 channel = mf->Bus;
1045 id = mf->TargetID;
1046 mptscsih_freeChainBuffers(ioc, ii);
1047 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1048 if ((unsigned char *)mf != sc->host_scribble)
1049 continue;
1050 scsi_dma_unmap(sc);
1051 sc->result = DID_RESET << 16;
1052 sc->host_scribble = NULL;
1053 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1054 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1055 "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
1056 sc->scsi_done(sc);
1057 }
1058}
1059EXPORT_SYMBOL(mptscsih_flush_running_cmds);
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075static void
1076mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1077{
1078 SCSIIORequest_t *mf = NULL;
1079 int ii;
1080 struct scsi_cmnd *sc;
1081 struct scsi_lun lun;
1082 MPT_ADAPTER *ioc = hd->ioc;
1083 unsigned long flags;
1084
1085 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1086 for (ii = 0; ii < ioc->req_depth; ii++) {
1087 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
1088
1089 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1090 if (mf == NULL)
1091 continue;
1092
1093
1094
1095 if (vdevice->vtarget->tflags &
1096 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1097 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1098 continue;
1099
1100 int_to_scsilun(vdevice->lun, &lun);
1101 if ((mf->Bus != vdevice->vtarget->channel) ||
1102 (mf->TargetID != vdevice->vtarget->id) ||
1103 memcmp(lun.scsi_lun, mf->LUN, 8))
1104 continue;
1105
1106 if ((unsigned char *)mf != sc->host_scribble)
1107 continue;
1108 ioc->ScsiLookup[ii] = NULL;
1109 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1110 mptscsih_freeChainBuffers(ioc, ii);
1111 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1112 scsi_dma_unmap(sc);
1113 sc->host_scribble = NULL;
1114 sc->result = DID_NO_CONNECT << 16;
1115 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1116 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1117 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1118 vdevice->vtarget->channel, vdevice->vtarget->id,
1119 sc, mf, ii));
1120 sc->scsi_done(sc);
1121 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1122 }
1123 }
1124 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1125 return;
1126}
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142static void
1143mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1144{
1145 long time = jiffies;
1146 MPT_SCSI_HOST *hd;
1147 MPT_ADAPTER *ioc;
1148
1149 if (sc->device == NULL)
1150 return;
1151 if (sc->device->host == NULL)
1152 return;
1153 if ((hd = shost_priv(sc->device->host)) == NULL)
1154 return;
1155 ioc = hd->ioc;
1156 if (time - hd->last_queue_full > 10 * HZ) {
1157 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n",
1158 ioc->name, 0, sc->device->id, sc->device->lun));
1159 hd->last_queue_full = time;
1160 }
1161}
1162
1163
1164
1165
1166
1167
1168
1169
1170void
1171mptscsih_remove(struct pci_dev *pdev)
1172{
1173 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1174 struct Scsi_Host *host = ioc->sh;
1175 MPT_SCSI_HOST *hd;
1176 int sz1;
1177
1178 scsi_remove_host(host);
1179
1180 if((hd = shost_priv(host)) == NULL)
1181 return;
1182
1183 mptscsih_shutdown(pdev);
1184
1185 sz1=0;
1186
1187 if (ioc->ScsiLookup != NULL) {
1188 sz1 = ioc->req_depth * sizeof(void *);
1189 kfree(ioc->ScsiLookup);
1190 ioc->ScsiLookup = NULL;
1191 }
1192
1193 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1194 "Free'd ScsiLookup (%d) memory\n",
1195 ioc->name, sz1));
1196
1197 kfree(hd->info_kbuf);
1198
1199
1200
1201 ioc->sh = NULL;
1202
1203 scsi_host_put(host);
1204
1205 mpt_detach(pdev);
1206
1207}
1208
1209
1210
1211
1212
1213
1214void
1215mptscsih_shutdown(struct pci_dev *pdev)
1216{
1217}
1218
1219#ifdef CONFIG_PM
1220
1221
1222
1223
1224
1225
1226int
1227mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1228{
1229 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1230
1231 scsi_block_requests(ioc->sh);
1232 flush_scheduled_work();
1233 mptscsih_shutdown(pdev);
1234 return mpt_suspend(pdev,state);
1235}
1236
1237
1238
1239
1240
1241
1242
1243int
1244mptscsih_resume(struct pci_dev *pdev)
1245{
1246 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1247 int rc;
1248
1249 rc = mpt_resume(pdev);
1250 scsi_unblock_requests(ioc->sh);
1251 return rc;
1252}
1253
1254#endif
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265const char *
1266mptscsih_info(struct Scsi_Host *SChost)
1267{
1268 MPT_SCSI_HOST *h;
1269 int size = 0;
1270
1271 h = shost_priv(SChost);
1272
1273 if (h) {
1274 if (h->info_kbuf == NULL)
1275 if ((h->info_kbuf = kmalloc(0x1000 , GFP_KERNEL)) == NULL)
1276 return h->info_kbuf;
1277 h->info_kbuf[0] = '\0';
1278
1279 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1280 h->info_kbuf[size-1] = '\0';
1281 }
1282
1283 return h->info_kbuf;
1284}
1285
1286struct info_str {
1287 char *buffer;
1288 int length;
1289 int offset;
1290 int pos;
1291};
1292
1293static void
1294mptscsih_copy_mem_info(struct info_str *info, char *data, int len)
1295{
1296 if (info->pos + len > info->length)
1297 len = info->length - info->pos;
1298
1299 if (info->pos + len < info->offset) {
1300 info->pos += len;
1301 return;
1302 }
1303
1304 if (info->pos < info->offset) {
1305 data += (info->offset - info->pos);
1306 len -= (info->offset - info->pos);
1307 }
1308
1309 if (len > 0) {
1310 memcpy(info->buffer + info->pos, data, len);
1311 info->pos += len;
1312 }
1313}
1314
1315static int
1316mptscsih_copy_info(struct info_str *info, char *fmt, ...)
1317{
1318 va_list args;
1319 char buf[81];
1320 int len;
1321
1322 va_start(args, fmt);
1323 len = vsprintf(buf, fmt, args);
1324 va_end(args);
1325
1326 mptscsih_copy_mem_info(info, buf, len);
1327 return len;
1328}
1329
1330static int
1331mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len)
1332{
1333 struct info_str info;
1334
1335 info.buffer = pbuf;
1336 info.length = len;
1337 info.offset = offset;
1338 info.pos = 0;
1339
1340 mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name);
1341 mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1342 mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts);
1343 mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth);
1344
1345 return ((info.pos > info.offset) ? info.pos - info.offset : 0);
1346}
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361int
1362mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
1363 int length, int func)
1364{
1365 MPT_SCSI_HOST *hd = shost_priv(host);
1366 MPT_ADAPTER *ioc = hd->ioc;
1367 int size = 0;
1368
1369 if (func) {
1370
1371
1372
1373 } else {
1374 if (start)
1375 *start = buffer;
1376
1377 size = mptscsih_host_info(ioc, buffer, offset, length);
1378 }
1379
1380 return size;
1381}
1382
1383
1384#define ADD_INDEX_LOG(req_ent) do { } while(0)
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398int
1399mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1400{
1401 MPT_SCSI_HOST *hd;
1402 MPT_FRAME_HDR *mf;
1403 SCSIIORequest_t *pScsiReq;
1404 VirtDevice *vdevice = SCpnt->device->hostdata;
1405 u32 datalen;
1406 u32 scsictl;
1407 u32 scsidir;
1408 u32 cmd_len;
1409 int my_idx;
1410 int ii;
1411 MPT_ADAPTER *ioc;
1412
1413 hd = shost_priv(SCpnt->device->host);
1414 ioc = hd->ioc;
1415 SCpnt->scsi_done = done;
1416
1417 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n",
1418 ioc->name, SCpnt, done));
1419
1420 if (ioc->taskmgmt_quiesce_io)
1421 return SCSI_MLQUEUE_HOST_BUSY;
1422
1423
1424
1425
1426 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1427 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1428 ioc->name));
1429 return SCSI_MLQUEUE_HOST_BUSY;
1430 }
1431
1432 pScsiReq = (SCSIIORequest_t *) mf;
1433
1434 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1435
1436 ADD_INDEX_LOG(my_idx);
1437
1438
1439
1440
1441
1442 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1443 datalen = scsi_bufflen(SCpnt);
1444 scsidir = MPI_SCSIIO_CONTROL_READ;
1445 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1446 datalen = scsi_bufflen(SCpnt);
1447 scsidir = MPI_SCSIIO_CONTROL_WRITE;
1448 } else {
1449 datalen = 0;
1450 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1451 }
1452
1453
1454
1455
1456 if (vdevice
1457 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
1458 && (SCpnt->device->tagged_supported)) {
1459 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1460 if (SCpnt->request && SCpnt->request->ioprio) {
1461 if (((SCpnt->request->ioprio & 0x7) == 1) ||
1462 !(SCpnt->request->ioprio & 0x7))
1463 scsictl |= MPI_SCSIIO_CONTROL_HEADOFQ;
1464 }
1465 } else
1466 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1467
1468
1469
1470
1471 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1472 pScsiReq->Bus = vdevice->vtarget->channel;
1473 pScsiReq->ChainOffset = 0;
1474 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1475 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1476 else
1477 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1478 pScsiReq->CDBLength = SCpnt->cmd_len;
1479 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1480 pScsiReq->Reserved = 0;
1481 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1482 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1483 pScsiReq->Control = cpu_to_le32(scsictl);
1484
1485
1486
1487
1488 cmd_len = SCpnt->cmd_len;
1489 for (ii=0; ii < cmd_len; ii++)
1490 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1491
1492 for (ii=cmd_len; ii < 16; ii++)
1493 pScsiReq->CDB[ii] = 0;
1494
1495
1496 pScsiReq->DataLength = cpu_to_le32(datalen);
1497
1498
1499 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1500 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1501
1502
1503
1504
1505 if (datalen == 0) {
1506
1507 ioc->add_sge((char *)&pScsiReq->SGL,
1508 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1509 (dma_addr_t) -1);
1510 } else {
1511
1512 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1513 goto fail;
1514 }
1515
1516 SCpnt->host_scribble = (unsigned char *)mf;
1517 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1518
1519 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1520 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1521 ioc->name, SCpnt, mf, my_idx));
1522 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1523 return 0;
1524
1525 fail:
1526 mptscsih_freeChainBuffers(ioc, my_idx);
1527 mpt_free_msg_frame(ioc, mf);
1528 return SCSI_MLQUEUE_HOST_BUSY;
1529}
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541static void
1542mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1543{
1544 MPT_FRAME_HDR *chain;
1545 unsigned long flags;
1546 int chain_idx;
1547 int next;
1548
1549
1550
1551
1552 chain_idx = ioc->ReqToChain[req_idx];
1553 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1554
1555 while (chain_idx != MPT_HOST_NO_CHAIN) {
1556
1557
1558 next = ioc->ChainToChain[chain_idx];
1559
1560
1561
1562
1563 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1564
1565 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1566 + (chain_idx * ioc->req_sz));
1567
1568 spin_lock_irqsave(&ioc->FreeQlock, flags);
1569 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1570 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1571
1572 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1573 ioc->name, chain_idx));
1574
1575
1576 chain_idx = next;
1577 }
1578 return;
1579}
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605int
1606mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun,
1607 int ctx2abort, ulong timeout)
1608{
1609 MPT_FRAME_HDR *mf;
1610 SCSITaskMgmt_t *pScsiTm;
1611 int ii;
1612 int retval;
1613 MPT_ADAPTER *ioc = hd->ioc;
1614 unsigned long timeleft;
1615 u8 issue_hard_reset;
1616 u32 ioc_raw_state;
1617 unsigned long time_count;
1618
1619 issue_hard_reset = 0;
1620 ioc_raw_state = mpt_GetIocState(ioc, 0);
1621
1622 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1623 printk(MYIOC_s_WARN_FMT
1624 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1625 ioc->name, type, ioc_raw_state);
1626 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1627 ioc->name, __func__);
1628 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1629 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1630 "FAILED!!\n", ioc->name);
1631 return 0;
1632 }
1633
1634
1635
1636
1637
1638 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
1639 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
1640 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
1641 printk(MYIOC_s_WARN_FMT
1642 "TaskMgmt type=%x: ioc_state: "
1643 "DOORBELL_ACTIVE (0x%x)!\n",
1644 ioc->name, type, ioc_raw_state);
1645 return FAILED;
1646 }
1647
1648 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1649 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1650 mf = NULL;
1651 retval = FAILED;
1652 goto out;
1653 }
1654
1655
1656
1657 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1658 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1659 "TaskMgmt no msg frames!!\n", ioc->name));
1660 retval = FAILED;
1661 mpt_clear_taskmgmt_in_progress_flag(ioc);
1662 goto out;
1663 }
1664 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1665 ioc->name, mf));
1666
1667
1668
1669 pScsiTm = (SCSITaskMgmt_t *) mf;
1670 pScsiTm->TargetID = id;
1671 pScsiTm->Bus = channel;
1672 pScsiTm->ChainOffset = 0;
1673 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1674
1675 pScsiTm->Reserved = 0;
1676 pScsiTm->TaskType = type;
1677 pScsiTm->Reserved1 = 0;
1678 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1679 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1680
1681 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1682
1683 for (ii=0; ii < 7; ii++)
1684 pScsiTm->Reserved2[ii] = 0;
1685
1686 pScsiTm->TaskMsgContext = ctx2abort;
1687
1688 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1689 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1690 type, timeout));
1691
1692 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1693
1694 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1695 time_count = jiffies;
1696 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1697 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1698 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1699 else {
1700 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1701 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1702 if (retval) {
1703 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1704 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1705 ioc->name, mf, retval));
1706 mpt_free_msg_frame(ioc, mf);
1707 mpt_clear_taskmgmt_in_progress_flag(ioc);
1708 goto out;
1709 }
1710 }
1711
1712 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1713 timeout*HZ);
1714 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1715 retval = FAILED;
1716 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1717 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1718 mpt_clear_taskmgmt_in_progress_flag(ioc);
1719 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1720 goto out;
1721 issue_hard_reset = 1;
1722 goto out;
1723 }
1724
1725 retval = mptscsih_taskmgmt_reply(ioc, type,
1726 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1727
1728 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1729 "TaskMgmt completed (%d seconds)\n",
1730 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1731
1732 out:
1733
1734 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1735 if (issue_hard_reset) {
1736 printk(MYIOC_s_WARN_FMT
1737 "Issuing Reset from %s!! doorbell=0x%08x\n",
1738 ioc->name, __func__, mpt_GetIocState(ioc, 0));
1739 retval = (ioc->bus_type == SAS) ?
1740 mpt_HardResetHandler(ioc, CAN_SLEEP) :
1741 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1742 mpt_free_msg_frame(ioc, mf);
1743 }
1744
1745 retval = (retval == 0) ? 0 : FAILED;
1746 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1747 return retval;
1748}
1749EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1750
1751static int
1752mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1753{
1754 switch (ioc->bus_type) {
1755 case FC:
1756 return 40;
1757 case SAS:
1758 return 30;
1759 case SPI:
1760 default:
1761 return 10;
1762 }
1763}
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774int
1775mptscsih_abort(struct scsi_cmnd * SCpnt)
1776{
1777 MPT_SCSI_HOST *hd;
1778 MPT_FRAME_HDR *mf;
1779 u32 ctx2abort;
1780 int scpnt_idx;
1781 int retval;
1782 VirtDevice *vdevice;
1783 MPT_ADAPTER *ioc;
1784
1785
1786
1787 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1788 SCpnt->result = DID_RESET << 16;
1789 SCpnt->scsi_done(SCpnt);
1790 printk(KERN_ERR MYNAM ": task abort: "
1791 "can't locate host! (sc=%p)\n", SCpnt);
1792 return FAILED;
1793 }
1794
1795 ioc = hd->ioc;
1796 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1797 ioc->name, SCpnt);
1798 scsi_print_command(SCpnt);
1799
1800 vdevice = SCpnt->device->hostdata;
1801 if (!vdevice || !vdevice->vtarget) {
1802 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1803 "task abort: device has been deleted (sc=%p)\n",
1804 ioc->name, SCpnt));
1805 SCpnt->result = DID_NO_CONNECT << 16;
1806 SCpnt->scsi_done(SCpnt);
1807 retval = SUCCESS;
1808 goto out;
1809 }
1810
1811
1812
1813 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1814 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1815 "task abort: hidden raid component (sc=%p)\n",
1816 ioc->name, SCpnt));
1817 SCpnt->result = DID_RESET << 16;
1818 retval = FAILED;
1819 goto out;
1820 }
1821
1822
1823
1824 if (vdevice->vtarget->raidVolume) {
1825 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1826 "task abort: raid volume (sc=%p)\n",
1827 ioc->name, SCpnt));
1828 SCpnt->result = DID_RESET << 16;
1829 retval = FAILED;
1830 goto out;
1831 }
1832
1833
1834
1835 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1836
1837
1838
1839 SCpnt->result = DID_RESET << 16;
1840 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1841 "Command not in the active list! (sc=%p)\n", ioc->name,
1842 SCpnt));
1843 retval = SUCCESS;
1844 goto out;
1845 }
1846
1847 if (ioc->timeouts < -1)
1848 ioc->timeouts++;
1849
1850 if (mpt_fwfault_debug)
1851 mpt_halt_firmware(ioc);
1852
1853
1854
1855
1856
1857
1858
1859
1860 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1861 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1862 retval = mptscsih_IssueTaskMgmt(hd,
1863 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1864 vdevice->vtarget->channel,
1865 vdevice->vtarget->id, vdevice->lun,
1866 ctx2abort, mptscsih_get_tm_timeout(ioc));
1867
1868 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
1869 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1870 "task abort: command still in active list! (sc=%p)\n",
1871 ioc->name, SCpnt));
1872 retval = FAILED;
1873 } else {
1874 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1875 "task abort: command cleared from active list! (sc=%p)\n",
1876 ioc->name, SCpnt));
1877 retval = SUCCESS;
1878 }
1879
1880 out:
1881 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
1882 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1883 SCpnt);
1884
1885 return retval;
1886}
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897int
1898mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1899{
1900 MPT_SCSI_HOST *hd;
1901 int retval;
1902 VirtDevice *vdevice;
1903 MPT_ADAPTER *ioc;
1904
1905
1906
1907 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1908 printk(KERN_ERR MYNAM ": target reset: "
1909 "Can't locate host! (sc=%p)\n", SCpnt);
1910 return FAILED;
1911 }
1912
1913 ioc = hd->ioc;
1914 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1915 ioc->name, SCpnt);
1916 scsi_print_command(SCpnt);
1917
1918 vdevice = SCpnt->device->hostdata;
1919 if (!vdevice || !vdevice->vtarget) {
1920 retval = 0;
1921 goto out;
1922 }
1923
1924
1925
1926 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1927 retval = FAILED;
1928 goto out;
1929 }
1930
1931 retval = mptscsih_IssueTaskMgmt(hd,
1932 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1933 vdevice->vtarget->channel,
1934 vdevice->vtarget->id, 0, 0,
1935 mptscsih_get_tm_timeout(ioc));
1936
1937 out:
1938 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1939 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1940
1941 if (retval == 0)
1942 return SUCCESS;
1943 else
1944 return FAILED;
1945}
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957int
1958mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1959{
1960 MPT_SCSI_HOST *hd;
1961 int retval;
1962 VirtDevice *vdevice;
1963 MPT_ADAPTER *ioc;
1964
1965
1966
1967 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1968 printk(KERN_ERR MYNAM ": bus reset: "
1969 "Can't locate host! (sc=%p)\n", SCpnt);
1970 return FAILED;
1971 }
1972
1973 ioc = hd->ioc;
1974 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1975 ioc->name, SCpnt);
1976 scsi_print_command(SCpnt);
1977
1978 if (ioc->timeouts < -1)
1979 ioc->timeouts++;
1980
1981 vdevice = SCpnt->device->hostdata;
1982 if (!vdevice || !vdevice->vtarget)
1983 return SUCCESS;
1984 retval = mptscsih_IssueTaskMgmt(hd,
1985 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1986 vdevice->vtarget->channel, 0, 0, 0,
1987 mptscsih_get_tm_timeout(ioc));
1988
1989 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1990 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1991
1992 if (retval == 0)
1993 return SUCCESS;
1994 else
1995 return FAILED;
1996}
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007int
2008mptscsih_host_reset(struct scsi_cmnd *SCpnt)
2009{
2010 MPT_SCSI_HOST * hd;
2011 int status = SUCCESS;
2012 MPT_ADAPTER *ioc;
2013 int retval;
2014
2015
2016 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
2017 printk(KERN_ERR MYNAM ": host reset: "
2018 "Can't locate host! (sc=%p)\n", SCpnt);
2019 return FAILED;
2020 }
2021
2022
2023 mptscsih_flush_running_cmds(hd);
2024
2025 ioc = hd->ioc;
2026 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
2027 ioc->name, SCpnt);
2028
2029
2030
2031
2032 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2033 if (retval < 0)
2034 status = FAILED;
2035 else
2036 status = SUCCESS;
2037
2038 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
2039 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
2040
2041 return status;
2042}
2043
2044static int
2045mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
2046 SCSITaskMgmtReply_t *pScsiTmReply)
2047{
2048 u16 iocstatus;
2049 u32 termination_count;
2050 int retval;
2051
2052 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
2053 retval = FAILED;
2054 goto out;
2055 }
2056
2057 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
2058
2059 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2060 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
2061
2062 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2063 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
2064 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
2065 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
2066 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
2067 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
2068 termination_count));
2069
2070 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
2071 pScsiTmReply->ResponseCode)
2072 mptscsih_taskmgmt_response_code(ioc,
2073 pScsiTmReply->ResponseCode);
2074
2075 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
2076 retval = 0;
2077 goto out;
2078 }
2079
2080 retval = FAILED;
2081 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
2082 if (termination_count == 1)
2083 retval = 0;
2084 goto out;
2085 }
2086
2087 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
2088 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2089 retval = 0;
2090
2091 out:
2092 return retval;
2093}
2094
2095
2096void
2097mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2098{
2099 char *desc;
2100
2101 switch (response_code) {
2102 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2103 desc = "The task completed.";
2104 break;
2105 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2106 desc = "The IOC received an invalid frame status.";
2107 break;
2108 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2109 desc = "The task type is not supported.";
2110 break;
2111 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2112 desc = "The requested task failed.";
2113 break;
2114 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2115 desc = "The task completed successfully.";
2116 break;
2117 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2118 desc = "The LUN request is invalid.";
2119 break;
2120 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2121 desc = "The task is in the IOC queue and has not been sent to target.";
2122 break;
2123 default:
2124 desc = "unknown";
2125 break;
2126 }
2127 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2128 ioc->name, response_code, desc);
2129}
2130EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146int
2147mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2148 MPT_FRAME_HDR *mr)
2149{
2150 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2151 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2152
2153 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2154
2155 if (!mr)
2156 goto out;
2157
2158 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2159 memcpy(ioc->taskmgmt_cmds.reply, mr,
2160 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2161 out:
2162 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2163 mpt_clear_taskmgmt_in_progress_flag(ioc);
2164 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2165 complete(&ioc->taskmgmt_cmds.done);
2166 if (ioc->bus_type == SAS)
2167 ioc->schedule_target_reset(ioc);
2168 return 1;
2169 }
2170 return 0;
2171}
2172
2173
2174
2175
2176
2177int
2178mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2179 sector_t capacity, int geom[])
2180{
2181 int heads;
2182 int sectors;
2183 sector_t cylinders;
2184 ulong dummy;
2185
2186 heads = 64;
2187 sectors = 32;
2188
2189 dummy = heads * sectors;
2190 cylinders = capacity;
2191 sector_div(cylinders,dummy);
2192
2193
2194
2195
2196
2197 if ((ulong)capacity >= 0x200000) {
2198 heads = 255;
2199 sectors = 63;
2200 dummy = heads * sectors;
2201 cylinders = capacity;
2202 sector_div(cylinders,dummy);
2203 }
2204
2205
2206 geom[0] = heads;
2207 geom[1] = sectors;
2208 geom[2] = cylinders;
2209
2210 return 0;
2211}
2212
2213
2214
2215
2216int
2217mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2218{
2219 struct inactive_raid_component_info *component_info;
2220 int i, j;
2221 RaidPhysDiskPage1_t *phys_disk;
2222 int rc = 0;
2223 int num_paths;
2224
2225 if (!ioc->raid_data.pIocPg3)
2226 goto out;
2227 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2228 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2229 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2230 rc = 1;
2231 goto out;
2232 }
2233 }
2234
2235 if (ioc->bus_type != SAS)
2236 goto out;
2237
2238
2239
2240
2241 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2242 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2243 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2244 if (num_paths < 2)
2245 continue;
2246 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2247 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2248 if (!phys_disk)
2249 continue;
2250 if ((mpt_raid_phys_disk_pg1(ioc,
2251 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2252 phys_disk))) {
2253 kfree(phys_disk);
2254 continue;
2255 }
2256 for (j = 0; j < num_paths; j++) {
2257 if ((phys_disk->Path[j].Flags &
2258 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2259 continue;
2260 if ((phys_disk->Path[j].Flags &
2261 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2262 continue;
2263 if ((id == phys_disk->Path[j].PhysDiskID) &&
2264 (channel == phys_disk->Path[j].PhysDiskBus)) {
2265 rc = 1;
2266 kfree(phys_disk);
2267 goto out;
2268 }
2269 }
2270 kfree(phys_disk);
2271 }
2272
2273
2274
2275
2276
2277 if (list_empty(&ioc->raid_data.inactive_list))
2278 goto out;
2279
2280 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2281 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2282 list) {
2283 if ((component_info->d.PhysDiskID == id) &&
2284 (component_info->d.PhysDiskBus == channel))
2285 rc = 1;
2286 }
2287 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2288
2289 out:
2290 return rc;
2291}
2292EXPORT_SYMBOL(mptscsih_is_phys_disk);
2293
2294u8
2295mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2296{
2297 struct inactive_raid_component_info *component_info;
2298 int i, j;
2299 RaidPhysDiskPage1_t *phys_disk;
2300 int rc = -ENXIO;
2301 int num_paths;
2302
2303 if (!ioc->raid_data.pIocPg3)
2304 goto out;
2305 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2306 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2307 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2308 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2309 goto out;
2310 }
2311 }
2312
2313 if (ioc->bus_type != SAS)
2314 goto out;
2315
2316
2317
2318
2319 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2320 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2321 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2322 if (num_paths < 2)
2323 continue;
2324 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2325 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2326 if (!phys_disk)
2327 continue;
2328 if ((mpt_raid_phys_disk_pg1(ioc,
2329 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2330 phys_disk))) {
2331 kfree(phys_disk);
2332 continue;
2333 }
2334 for (j = 0; j < num_paths; j++) {
2335 if ((phys_disk->Path[j].Flags &
2336 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2337 continue;
2338 if ((phys_disk->Path[j].Flags &
2339 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2340 continue;
2341 if ((id == phys_disk->Path[j].PhysDiskID) &&
2342 (channel == phys_disk->Path[j].PhysDiskBus)) {
2343 rc = phys_disk->PhysDiskNum;
2344 kfree(phys_disk);
2345 goto out;
2346 }
2347 }
2348 kfree(phys_disk);
2349 }
2350
2351
2352
2353
2354 if (list_empty(&ioc->raid_data.inactive_list))
2355 goto out;
2356
2357 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2358 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2359 list) {
2360 if ((component_info->d.PhysDiskID == id) &&
2361 (component_info->d.PhysDiskBus == channel))
2362 rc = component_info->d.PhysDiskNum;
2363 }
2364 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2365
2366 out:
2367 return rc;
2368}
2369EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2370
2371
2372
2373
2374
2375void
2376mptscsih_slave_destroy(struct scsi_device *sdev)
2377{
2378 struct Scsi_Host *host = sdev->host;
2379 MPT_SCSI_HOST *hd = shost_priv(host);
2380 VirtTarget *vtarget;
2381 VirtDevice *vdevice;
2382 struct scsi_target *starget;
2383
2384 starget = scsi_target(sdev);
2385 vtarget = starget->hostdata;
2386 vdevice = sdev->hostdata;
2387 if (!vdevice)
2388 return;
2389
2390 mptscsih_search_running_cmds(hd, vdevice);
2391 vtarget->num_luns--;
2392 mptscsih_synchronize_cache(hd, vdevice);
2393 kfree(vdevice);
2394 sdev->hostdata = NULL;
2395}
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406int
2407mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
2408{
2409 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2410 VirtTarget *vtarget;
2411 struct scsi_target *starget;
2412 int max_depth;
2413 int tagged;
2414 MPT_ADAPTER *ioc = hd->ioc;
2415
2416 starget = scsi_target(sdev);
2417 vtarget = starget->hostdata;
2418
2419 if (reason != SCSI_QDEPTH_DEFAULT)
2420 return -EOPNOTSUPP;
2421
2422 if (ioc->bus_type == SPI) {
2423 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2424 max_depth = 1;
2425 else if (sdev->type == TYPE_DISK &&
2426 vtarget->minSyncFactor <= MPT_ULTRA160)
2427 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2428 else
2429 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2430 } else
2431 max_depth = ioc->sh->can_queue;
2432
2433 if (!sdev->tagged_supported)
2434 max_depth = 1;
2435
2436 if (qdepth > max_depth)
2437 qdepth = max_depth;
2438 if (qdepth == 1)
2439 tagged = 0;
2440 else
2441 tagged = MSG_SIMPLE_TAG;
2442
2443 scsi_adjust_queue_depth(sdev, tagged, qdepth);
2444 return sdev->queue_depth;
2445}
2446
2447
2448
2449
2450
2451
2452
2453int
2454mptscsih_slave_configure(struct scsi_device *sdev)
2455{
2456 struct Scsi_Host *sh = sdev->host;
2457 VirtTarget *vtarget;
2458 VirtDevice *vdevice;
2459 struct scsi_target *starget;
2460 MPT_SCSI_HOST *hd = shost_priv(sh);
2461 MPT_ADAPTER *ioc = hd->ioc;
2462
2463 starget = scsi_target(sdev);
2464 vtarget = starget->hostdata;
2465 vdevice = sdev->hostdata;
2466
2467 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2468 "device @ %p, channel=%d, id=%d, lun=%d\n",
2469 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2470 if (ioc->bus_type == SPI)
2471 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2472 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2473 ioc->name, sdev->sdtr, sdev->wdtr,
2474 sdev->ppr, sdev->inquiry_len));
2475
2476 vdevice->configured_lun = 1;
2477
2478 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2479 "Queue depth=%d, tflags=%x\n",
2480 ioc->name, sdev->queue_depth, vtarget->tflags));
2481
2482 if (ioc->bus_type == SPI)
2483 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2484 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2485 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2486 vtarget->minSyncFactor));
2487
2488 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH,
2489 SCSI_QDEPTH_DEFAULT);
2490 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2491 "tagged %d, simple %d, ordered %d\n",
2492 ioc->name,sdev->tagged_supported, sdev->simple_tags,
2493 sdev->ordered_tags));
2494
2495 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2496
2497 return 0;
2498}
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510static void
2511mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2512{
2513 VirtDevice *vdevice;
2514 SCSIIORequest_t *pReq;
2515 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2516 MPT_ADAPTER *ioc = hd->ioc;
2517
2518
2519
2520 pReq = (SCSIIORequest_t *) mf;
2521 vdevice = sc->device->hostdata;
2522
2523 if (sense_count) {
2524 u8 *sense_data;
2525 int req_index;
2526
2527
2528 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2529 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2530 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2531
2532
2533
2534 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2535 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2536 int idx;
2537
2538 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2539 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2540 ioc->events[idx].eventContext = ioc->eventContext;
2541
2542 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2543 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2544 (sc->device->channel << 8) | sc->device->id;
2545
2546 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2547
2548 ioc->eventContext++;
2549 if (ioc->pcidev->vendor ==
2550 PCI_VENDOR_ID_IBM) {
2551 mptscsih_issue_sep_command(ioc,
2552 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2553 vdevice->vtarget->tflags |=
2554 MPT_TARGET_FLAGS_LED_ON;
2555 }
2556 }
2557 }
2558 } else {
2559 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2560 ioc->name));
2561 }
2562}
2563
2564
2565
2566
2567
2568
2569
2570
2571struct scsi_cmnd *
2572mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2573{
2574 unsigned long flags;
2575 struct scsi_cmnd *scmd;
2576
2577 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2578 scmd = ioc->ScsiLookup[i];
2579 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2580
2581 return scmd;
2582}
2583EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593static struct scsi_cmnd *
2594mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2595{
2596 unsigned long flags;
2597 struct scsi_cmnd *scmd;
2598
2599 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2600 scmd = ioc->ScsiLookup[i];
2601 ioc->ScsiLookup[i] = NULL;
2602 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2603
2604 return scmd;
2605}
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615static void
2616mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2617{
2618 unsigned long flags;
2619
2620 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2621 ioc->ScsiLookup[i] = scmd;
2622 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2623}
2624
2625
2626
2627
2628
2629
2630static int
2631SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2632{
2633 unsigned long flags;
2634 int i, index=-1;
2635
2636 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2637 for (i = 0; i < ioc->req_depth; i++) {
2638 if (ioc->ScsiLookup[i] == sc) {
2639 index = i;
2640 goto out;
2641 }
2642 }
2643
2644 out:
2645 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2646 return index;
2647}
2648
2649
2650int
2651mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2652{
2653 MPT_SCSI_HOST *hd;
2654
2655 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2656 return 0;
2657
2658 hd = shost_priv(ioc->sh);
2659 switch (reset_phase) {
2660 case MPT_IOC_SETUP_RESET:
2661 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2662 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2663 break;
2664 case MPT_IOC_PRE_RESET:
2665 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2666 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2667 mptscsih_flush_running_cmds(hd);
2668 break;
2669 case MPT_IOC_POST_RESET:
2670 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2671 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2672 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2673 ioc->internal_cmds.status |=
2674 MPT_MGMT_STATUS_DID_IOCRESET;
2675 complete(&ioc->internal_cmds.done);
2676 }
2677 break;
2678 default:
2679 break;
2680 }
2681 return 1;
2682}
2683
2684
2685int
2686mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2687{
2688 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2689
2690 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2691 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2692 ioc->name, event));
2693
2694 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2695 event == MPI_EVENT_EXT_BUS_RESET) &&
2696 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2697 ioc->soft_resets++;
2698
2699 return 1;
2700}
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727int
2728mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2729 MPT_FRAME_HDR *reply)
2730{
2731 SCSIIORequest_t *pReq;
2732 SCSIIOReply_t *pReply;
2733 u8 cmd;
2734 u16 req_idx;
2735 u8 *sense_data;
2736 int sz;
2737
2738 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2739 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2740 if (!reply)
2741 goto out;
2742
2743 pReply = (SCSIIOReply_t *) reply;
2744 pReq = (SCSIIORequest_t *) req;
2745 ioc->internal_cmds.completion_code =
2746 mptscsih_get_completion_code(ioc, req, reply);
2747 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2748 memcpy(ioc->internal_cmds.reply, reply,
2749 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2750 cmd = reply->u.hdr.Function;
2751 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2752 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2753 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2754 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2755 sense_data = ((u8 *)ioc->sense_buf_pool +
2756 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2757 sz = min_t(int, pReq->SenseBufferLength,
2758 MPT_SENSE_BUFFER_ALLOC);
2759 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2760 }
2761 out:
2762 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2763 return 0;
2764 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2765 complete(&ioc->internal_cmds.done);
2766 return 1;
2767}
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777static int
2778mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2779 MPT_FRAME_HDR *reply)
2780{
2781 SCSIIOReply_t *pReply;
2782 MpiRaidActionReply_t *pr;
2783 u8 scsi_status;
2784 u16 status;
2785 int completion_code;
2786
2787 pReply = (SCSIIOReply_t *)reply;
2788 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2789 scsi_status = pReply->SCSIStatus;
2790
2791 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2792 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2793 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2794 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2795
2796 switch (status) {
2797
2798 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
2799 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2800 break;
2801
2802 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
2803 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
2804 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
2805 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
2806 completion_code = MPT_SCANDV_DID_RESET;
2807 break;
2808
2809 case MPI_IOCSTATUS_BUSY:
2810 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2811 completion_code = MPT_SCANDV_BUSY;
2812 break;
2813
2814 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
2815 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR:
2816 case MPI_IOCSTATUS_SUCCESS:
2817 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2818 completion_code = MPT_SCANDV_GOOD;
2819 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2820 pr = (MpiRaidActionReply_t *)reply;
2821 if (le16_to_cpu(pr->ActionStatus) ==
2822 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2823 completion_code = MPT_SCANDV_GOOD;
2824 else
2825 completion_code = MPT_SCANDV_SOME_ERROR;
2826 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2827 completion_code = MPT_SCANDV_SENSE;
2828 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2829 if (req->u.scsireq.CDB[0] == INQUIRY)
2830 completion_code = MPT_SCANDV_ISSUE_SENSE;
2831 else
2832 completion_code = MPT_SCANDV_DID_RESET;
2833 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2834 completion_code = MPT_SCANDV_DID_RESET;
2835 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2836 completion_code = MPT_SCANDV_DID_RESET;
2837 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2838 completion_code = MPT_SCANDV_BUSY;
2839 else
2840 completion_code = MPT_SCANDV_GOOD;
2841 break;
2842
2843 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
2844 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2845 completion_code = MPT_SCANDV_DID_RESET;
2846 else
2847 completion_code = MPT_SCANDV_SOME_ERROR;
2848 break;
2849 default:
2850 completion_code = MPT_SCANDV_SOME_ERROR;
2851 break;
2852
2853 }
2854
2855 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2856 " completionCode set to %08xh\n", ioc->name, completion_code));
2857 return completion_code;
2858}
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880static int
2881mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2882{
2883 MPT_FRAME_HDR *mf;
2884 SCSIIORequest_t *pScsiReq;
2885 int my_idx, ii, dir;
2886 int timeout;
2887 char cmdLen;
2888 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2889 u8 cmd = io->cmd;
2890 MPT_ADAPTER *ioc = hd->ioc;
2891 int ret = 0;
2892 unsigned long timeleft;
2893 unsigned long flags;
2894
2895
2896 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2897 if (ioc->ioc_reset_in_progress) {
2898 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2899 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2900 "%s: busy with host reset\n", ioc->name, __func__));
2901 return MPT_SCANDV_BUSY;
2902 }
2903 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2904
2905 mutex_lock(&ioc->internal_cmds.mutex);
2906
2907
2908
2909 switch (cmd) {
2910 case INQUIRY:
2911 cmdLen = 6;
2912 dir = MPI_SCSIIO_CONTROL_READ;
2913 CDB[0] = cmd;
2914 CDB[4] = io->size;
2915 timeout = 10;
2916 break;
2917
2918 case TEST_UNIT_READY:
2919 cmdLen = 6;
2920 dir = MPI_SCSIIO_CONTROL_READ;
2921 timeout = 10;
2922 break;
2923
2924 case START_STOP:
2925 cmdLen = 6;
2926 dir = MPI_SCSIIO_CONTROL_READ;
2927 CDB[0] = cmd;
2928 CDB[4] = 1;
2929 timeout = 15;
2930 break;
2931
2932 case REQUEST_SENSE:
2933 cmdLen = 6;
2934 CDB[0] = cmd;
2935 CDB[4] = io->size;
2936 dir = MPI_SCSIIO_CONTROL_READ;
2937 timeout = 10;
2938 break;
2939
2940 case READ_BUFFER:
2941 cmdLen = 10;
2942 dir = MPI_SCSIIO_CONTROL_READ;
2943 CDB[0] = cmd;
2944 if (io->flags & MPT_ICFLAG_ECHO) {
2945 CDB[1] = 0x0A;
2946 } else {
2947 CDB[1] = 0x02;
2948 }
2949
2950 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2951 CDB[1] |= 0x01;
2952 }
2953 CDB[6] = (io->size >> 16) & 0xFF;
2954 CDB[7] = (io->size >> 8) & 0xFF;
2955 CDB[8] = io->size & 0xFF;
2956 timeout = 10;
2957 break;
2958
2959 case WRITE_BUFFER:
2960 cmdLen = 10;
2961 dir = MPI_SCSIIO_CONTROL_WRITE;
2962 CDB[0] = cmd;
2963 if (io->flags & MPT_ICFLAG_ECHO) {
2964 CDB[1] = 0x0A;
2965 } else {
2966 CDB[1] = 0x02;
2967 }
2968 CDB[6] = (io->size >> 16) & 0xFF;
2969 CDB[7] = (io->size >> 8) & 0xFF;
2970 CDB[8] = io->size & 0xFF;
2971 timeout = 10;
2972 break;
2973
2974 case RESERVE:
2975 cmdLen = 6;
2976 dir = MPI_SCSIIO_CONTROL_READ;
2977 CDB[0] = cmd;
2978 timeout = 10;
2979 break;
2980
2981 case RELEASE:
2982 cmdLen = 6;
2983 dir = MPI_SCSIIO_CONTROL_READ;
2984 CDB[0] = cmd;
2985 timeout = 10;
2986 break;
2987
2988 case SYNCHRONIZE_CACHE:
2989 cmdLen = 10;
2990 dir = MPI_SCSIIO_CONTROL_READ;
2991 CDB[0] = cmd;
2992
2993 timeout = 10;
2994 break;
2995
2996 default:
2997
2998 ret = -EFAULT;
2999 goto out;
3000 }
3001
3002
3003
3004
3005 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
3006 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
3007 ioc->name, __func__));
3008 ret = MPT_SCANDV_BUSY;
3009 goto out;
3010 }
3011
3012 pScsiReq = (SCSIIORequest_t *) mf;
3013
3014
3015 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
3016 ADD_INDEX_LOG(my_idx);
3017
3018 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
3019 pScsiReq->TargetID = io->physDiskNum;
3020 pScsiReq->Bus = 0;
3021 pScsiReq->ChainOffset = 0;
3022 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
3023 } else {
3024 pScsiReq->TargetID = io->id;
3025 pScsiReq->Bus = io->channel;
3026 pScsiReq->ChainOffset = 0;
3027 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
3028 }
3029
3030 pScsiReq->CDBLength = cmdLen;
3031 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
3032
3033 pScsiReq->Reserved = 0;
3034
3035 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
3036
3037
3038 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
3039
3040 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
3041 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
3042 else
3043 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3044
3045 if (cmd == REQUEST_SENSE) {
3046 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3047 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3048 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
3049 }
3050
3051 for (ii = 0; ii < 16; ii++)
3052 pScsiReq->CDB[ii] = CDB[ii];
3053
3054 pScsiReq->DataLength = cpu_to_le32(io->size);
3055 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
3056 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
3057
3058 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3059 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n",
3060 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
3061
3062 if (dir == MPI_SCSIIO_CONTROL_READ)
3063 ioc->add_sge((char *) &pScsiReq->SGL,
3064 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
3065 else
3066 ioc->add_sge((char *) &pScsiReq->SGL,
3067 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
3068
3069 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
3070 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
3071 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
3072 timeout*HZ);
3073 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
3074 ret = MPT_SCANDV_DID_RESET;
3075 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3076 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
3077 cmd));
3078 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
3079 mpt_free_msg_frame(ioc, mf);
3080 goto out;
3081 }
3082 if (!timeleft) {
3083 printk(MYIOC_s_WARN_FMT
3084 "Issuing Reset from %s!! doorbell=0x%08xh"
3085 " cmd=0x%02x\n",
3086 ioc->name, __func__, mpt_GetIocState(ioc, 0),
3087 cmd);
3088 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
3089 mpt_free_msg_frame(ioc, mf);
3090 }
3091 goto out;
3092 }
3093
3094 ret = ioc->internal_cmds.completion_code;
3095 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
3096 ioc->name, __func__, ret));
3097
3098 out:
3099 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
3100 mutex_unlock(&ioc->internal_cmds.mutex);
3101 return ret;
3102}
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114static void
3115mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3116{
3117 INTERNAL_CMD iocmd;
3118
3119
3120
3121
3122 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3123 return;
3124
3125 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3126 !vdevice->configured_lun)
3127 return;
3128
3129
3130
3131
3132 iocmd.cmd = SYNCHRONIZE_CACHE;
3133 iocmd.flags = 0;
3134 iocmd.physDiskNum = -1;
3135 iocmd.data = NULL;
3136 iocmd.data_dma = -1;
3137 iocmd.size = 0;
3138 iocmd.rsvd = iocmd.rsvd2 = 0;
3139 iocmd.channel = vdevice->vtarget->channel;
3140 iocmd.id = vdevice->vtarget->id;
3141 iocmd.lun = vdevice->lun;
3142
3143 mptscsih_do_cmd(hd, &iocmd);
3144}
3145
3146static ssize_t
3147mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3148 char *buf)
3149{
3150 struct Scsi_Host *host = class_to_shost(dev);
3151 MPT_SCSI_HOST *hd = shost_priv(host);
3152 MPT_ADAPTER *ioc = hd->ioc;
3153
3154 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3155 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3156 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3157 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3158 ioc->facts.FWVersion.Word & 0x000000FF);
3159}
3160static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3161
3162static ssize_t
3163mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3164 char *buf)
3165{
3166 struct Scsi_Host *host = class_to_shost(dev);
3167 MPT_SCSI_HOST *hd = shost_priv(host);
3168 MPT_ADAPTER *ioc = hd->ioc;
3169
3170 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3171 (ioc->biosVersion & 0xFF000000) >> 24,
3172 (ioc->biosVersion & 0x00FF0000) >> 16,
3173 (ioc->biosVersion & 0x0000FF00) >> 8,
3174 ioc->biosVersion & 0x000000FF);
3175}
3176static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3177
3178static ssize_t
3179mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3180 char *buf)
3181{
3182 struct Scsi_Host *host = class_to_shost(dev);
3183 MPT_SCSI_HOST *hd = shost_priv(host);
3184 MPT_ADAPTER *ioc = hd->ioc;
3185
3186 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3187}
3188static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3189
3190static ssize_t
3191mptscsih_version_product_show(struct device *dev,
3192 struct device_attribute *attr,
3193char *buf)
3194{
3195 struct Scsi_Host *host = class_to_shost(dev);
3196 MPT_SCSI_HOST *hd = shost_priv(host);
3197 MPT_ADAPTER *ioc = hd->ioc;
3198
3199 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3200}
3201static DEVICE_ATTR(version_product, S_IRUGO,
3202 mptscsih_version_product_show, NULL);
3203
3204static ssize_t
3205mptscsih_version_nvdata_persistent_show(struct device *dev,
3206 struct device_attribute *attr,
3207 char *buf)
3208{
3209 struct Scsi_Host *host = class_to_shost(dev);
3210 MPT_SCSI_HOST *hd = shost_priv(host);
3211 MPT_ADAPTER *ioc = hd->ioc;
3212
3213 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3214 ioc->nvdata_version_persistent);
3215}
3216static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3217 mptscsih_version_nvdata_persistent_show, NULL);
3218
3219static ssize_t
3220mptscsih_version_nvdata_default_show(struct device *dev,
3221 struct device_attribute *attr, 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, "%02xh\n",ioc->nvdata_version_default);
3228}
3229static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3230 mptscsih_version_nvdata_default_show, NULL);
3231
3232static ssize_t
3233mptscsih_board_name_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, "%s\n", ioc->board_name);
3241}
3242static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3243
3244static ssize_t
3245mptscsih_board_assembly_show(struct device *dev,
3246 struct device_attribute *attr, char *buf)
3247{
3248 struct Scsi_Host *host = class_to_shost(dev);
3249 MPT_SCSI_HOST *hd = shost_priv(host);
3250 MPT_ADAPTER *ioc = hd->ioc;
3251
3252 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3253}
3254static DEVICE_ATTR(board_assembly, S_IRUGO,
3255 mptscsih_board_assembly_show, NULL);
3256
3257static ssize_t
3258mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3259 char *buf)
3260{
3261 struct Scsi_Host *host = class_to_shost(dev);
3262 MPT_SCSI_HOST *hd = shost_priv(host);
3263 MPT_ADAPTER *ioc = hd->ioc;
3264
3265 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3266}
3267static DEVICE_ATTR(board_tracer, S_IRUGO,
3268 mptscsih_board_tracer_show, NULL);
3269
3270static ssize_t
3271mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3272 char *buf)
3273{
3274 struct Scsi_Host *host = class_to_shost(dev);
3275 MPT_SCSI_HOST *hd = shost_priv(host);
3276 MPT_ADAPTER *ioc = hd->ioc;
3277
3278 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3279}
3280static DEVICE_ATTR(io_delay, S_IRUGO,
3281 mptscsih_io_delay_show, NULL);
3282
3283static ssize_t
3284mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3285 char *buf)
3286{
3287 struct Scsi_Host *host = class_to_shost(dev);
3288 MPT_SCSI_HOST *hd = shost_priv(host);
3289 MPT_ADAPTER *ioc = hd->ioc;
3290
3291 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3292}
3293static DEVICE_ATTR(device_delay, S_IRUGO,
3294 mptscsih_device_delay_show, NULL);
3295
3296static ssize_t
3297mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3298 char *buf)
3299{
3300 struct Scsi_Host *host = class_to_shost(dev);
3301 MPT_SCSI_HOST *hd = shost_priv(host);
3302 MPT_ADAPTER *ioc = hd->ioc;
3303
3304 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3305}
3306static ssize_t
3307mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3308 const char *buf, size_t count)
3309{
3310 struct Scsi_Host *host = class_to_shost(dev);
3311 MPT_SCSI_HOST *hd = shost_priv(host);
3312 MPT_ADAPTER *ioc = hd->ioc;
3313 int val = 0;
3314
3315 if (sscanf(buf, "%x", &val) != 1)
3316 return -EINVAL;
3317
3318 ioc->debug_level = val;
3319 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3320 ioc->name, ioc->debug_level);
3321 return strlen(buf);
3322}
3323static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3324 mptscsih_debug_level_show, mptscsih_debug_level_store);
3325
3326struct device_attribute *mptscsih_host_attrs[] = {
3327 &dev_attr_version_fw,
3328 &dev_attr_version_bios,
3329 &dev_attr_version_mpi,
3330 &dev_attr_version_product,
3331 &dev_attr_version_nvdata_persistent,
3332 &dev_attr_version_nvdata_default,
3333 &dev_attr_board_name,
3334 &dev_attr_board_assembly,
3335 &dev_attr_board_tracer,
3336 &dev_attr_io_delay,
3337 &dev_attr_device_delay,
3338 &dev_attr_debug_level,
3339 NULL,
3340};
3341
3342EXPORT_SYMBOL(mptscsih_host_attrs);
3343
3344EXPORT_SYMBOL(mptscsih_remove);
3345EXPORT_SYMBOL(mptscsih_shutdown);
3346#ifdef CONFIG_PM
3347EXPORT_SYMBOL(mptscsih_suspend);
3348EXPORT_SYMBOL(mptscsih_resume);
3349#endif
3350EXPORT_SYMBOL(mptscsih_proc_info);
3351EXPORT_SYMBOL(mptscsih_info);
3352EXPORT_SYMBOL(mptscsih_qcmd);
3353EXPORT_SYMBOL(mptscsih_slave_destroy);
3354EXPORT_SYMBOL(mptscsih_slave_configure);
3355EXPORT_SYMBOL(mptscsih_abort);
3356EXPORT_SYMBOL(mptscsih_dev_reset);
3357EXPORT_SYMBOL(mptscsih_bus_reset);
3358EXPORT_SYMBOL(mptscsih_host_reset);
3359EXPORT_SYMBOL(mptscsih_bios_param);
3360EXPORT_SYMBOL(mptscsih_io_done);
3361EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3362EXPORT_SYMBOL(mptscsih_scandv_complete);
3363EXPORT_SYMBOL(mptscsih_event_process);
3364EXPORT_SYMBOL(mptscsih_ioc_reset);
3365EXPORT_SYMBOL(mptscsih_change_queue_depth);
3366
3367
3368