forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathmptscsih.c
3260 lines (2857 loc) · 90.6 KB
/
mptscsih.c
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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* linux/drivers/message/fusion/mptscsih.c
* For use with LSI PCI chip/adapter(s)
* running LSI Fusion MPT (Message Passing Technology) firmware.
*
* Copyright (c) 1999-2008 LSI Corporation
* (mailto:[email protected])
*
*/
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
NO WARRANTY
THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
solely responsible for determining the appropriateness of using and
distributing the Program and assumes all risks associated with its
exercise of rights under this Agreement, including but not limited to
the risks and costs of program errors, damage to or loss of data,
programs or equipment, and unavailability or interruption of operations.
DISCLAIMER OF LIABILITY
NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/kdev_t.h>
#include <linux/blkdev.h>
#include <linux/delay.h> /* for mdelay */
#include <linux/interrupt.h> /* needed for in_interrupt() proto */
#include <linux/reboot.h> /* notifier code */
#include <linux/workqueue.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_dbg.h>
#include "mptbase.h"
#include "mptscsih.h"
#include "lsi/mpi_log_sas.h"
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
#define my_NAME "Fusion MPT SCSI Host driver"
#define my_VERSION MPT_LINUX_VERSION_COMMON
#define MYNAM "mptscsih"
MODULE_AUTHOR(MODULEAUTHOR);
MODULE_DESCRIPTION(my_NAME);
MODULE_LICENSE("GPL");
MODULE_VERSION(my_VERSION);
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
* Other private/forward protos...
*/
struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
SCSIIORequest_t *pReq, int req_idx);
static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
u64 lun, int ctx2abort, ulong timeout);
int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
void
mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
static int
mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
SCSITaskMgmtReply_t *pScsiTmReply);
void mptscsih_remove(struct pci_dev *);
void mptscsih_shutdown(struct pci_dev *);
#ifdef CONFIG_PM
int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
int mptscsih_resume(struct pci_dev *pdev);
#endif
#define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
* mptscsih_getFreeChainBuffer - Function to get a free chain
* from the MPT_SCSI_HOST FreeChainQ.
* @ioc: Pointer to MPT_ADAPTER structure
* @req_idx: Index of the SCSI IO request frame. (output)
*
* return SUCCESS or FAILED
*/
static inline int
mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
{
MPT_FRAME_HDR *chainBuf;
unsigned long flags;
int rc;
int chain_idx;
dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
ioc->name));
spin_lock_irqsave(&ioc->FreeQlock, flags);
if (!list_empty(&ioc->FreeChainQ)) {
int offset;
chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
u.frame.linkage.list);
list_del(&chainBuf->u.frame.linkage.list);
offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
chain_idx = offset / ioc->req_sz;
rc = SUCCESS;
dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
} else {
rc = FAILED;
chain_idx = MPT_HOST_NO_CHAIN;
dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
ioc->name));
}
spin_unlock_irqrestore(&ioc->FreeQlock, flags);
*retIndex = chain_idx;
return rc;
} /* mptscsih_getFreeChainBuffer() */
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
* mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
* SCSIIORequest_t Message Frame.
* @ioc: Pointer to MPT_ADAPTER structure
* @SCpnt: Pointer to scsi_cmnd structure
* @pReq: Pointer to SCSIIORequest_t structure
*
* Returns ...
*/
static int
mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
SCSIIORequest_t *pReq, int req_idx)
{
char *psge;
char *chainSge;
struct scatterlist *sg;
int frm_sz;
int sges_left, sg_done;
int chain_idx = MPT_HOST_NO_CHAIN;
int sgeOffset;
int numSgeSlots, numSgeThisFrame;
u32 sgflags, sgdir, thisxfer = 0;
int chain_dma_off = 0;
int newIndex;
int ii;
dma_addr_t v2;
u32 RequestNB;
sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
sgdir = MPT_TRANSFER_HOST_TO_IOC;
} else {
sgdir = MPT_TRANSFER_IOC_TO_HOST;
}
psge = (char *) &pReq->SGL;
frm_sz = ioc->req_sz;
/* Map the data portion, if any.
* sges_left = 0 if no data transfer.
*/
sges_left = scsi_dma_map(SCpnt);
if (sges_left < 0)
return FAILED;
/* Handle the SG case.
*/
sg = scsi_sglist(SCpnt);
sg_done = 0;
sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
chainSge = NULL;
/* Prior to entering this loop - the following must be set
* current MF: sgeOffset (bytes)
* chainSge (Null if original MF is not a chain buffer)
* sg_done (num SGE done for this MF)
*/
nextSGEset:
numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
/* Get first (num - 1) SG elements
* Skip any SG entries with a length of 0
* NOTE: at finish, sg and psge pointed to NEXT data/location positions
*/
for (ii=0; ii < (numSgeThisFrame-1); ii++) {
thisxfer = sg_dma_len(sg);
if (thisxfer == 0) {
/* Get next SG element from the OS */
sg = sg_next(sg);
sg_done++;
continue;
}
v2 = sg_dma_address(sg);
ioc->add_sge(psge, sgflags | thisxfer, v2);
/* Get next SG element from the OS */
sg = sg_next(sg);
psge += ioc->SGE_size;
sgeOffset += ioc->SGE_size;
sg_done++;
}
if (numSgeThisFrame == sges_left) {
/* Add last element, end of buffer and end of list flags.
*/
sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
MPT_SGE_FLAGS_END_OF_BUFFER |
MPT_SGE_FLAGS_END_OF_LIST;
/* Add last SGE and set termination flags.
* Note: Last SGE may have a length of 0 - which should be ok.
*/
thisxfer = sg_dma_len(sg);
v2 = sg_dma_address(sg);
ioc->add_sge(psge, sgflags | thisxfer, v2);
sgeOffset += ioc->SGE_size;
sg_done++;
if (chainSge) {
/* The current buffer is a chain buffer,
* but there is not another one.
* Update the chain element
* Offset and Length fields.
*/
ioc->add_chain((char *)chainSge, 0, sgeOffset,
ioc->ChainBufferDMA + chain_dma_off);
} else {
/* The current buffer is the original MF
* and there is no Chain buffer.
*/
pReq->ChainOffset = 0;
RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
ioc->RequestNB[req_idx] = RequestNB;
}
} else {
/* At least one chain buffer is needed.
* Complete the first MF
* - last SGE element, set the LastElement bit
* - set ChainOffset (words) for orig MF
* (OR finish previous MF chain buffer)
* - update MFStructPtr ChainIndex
* - Populate chain element
* Also
* Loop until done.
*/
dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
ioc->name, sg_done));
/* Set LAST_ELEMENT flag for last non-chain element
* in the buffer. Since psge points at the NEXT
* SGE element, go back one SGE element, update the flags
* and reset the pointer. (Note: sgflags & thisxfer are already
* set properly).
*/
if (sg_done) {
u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
sgflags = le32_to_cpu(*ptmp);
sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
*ptmp = cpu_to_le32(sgflags);
}
if (chainSge) {
/* The current buffer is a chain buffer.
* chainSge points to the previous Chain Element.
* Update its chain element Offset and Length (must
* include chain element size) fields.
* Old chain element is now complete.
*/
u8 nextChain = (u8) (sgeOffset >> 2);
sgeOffset += ioc->SGE_size;
ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
ioc->ChainBufferDMA + chain_dma_off);
} else {
/* The original MF buffer requires a chain buffer -
* set the offset.
* Last element in this MF is a chain element.
*/
pReq->ChainOffset = (u8) (sgeOffset >> 2);
RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
ioc->RequestNB[req_idx] = RequestNB;
}
sges_left -= sg_done;
/* NOTE: psge points to the beginning of the chain element
* in current buffer. Get a chain buffer.
*/
if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
ioc->name, pReq->CDB[0], SCpnt));
return FAILED;
}
/* Update the tracking arrays.
* If chainSge == NULL, update ReqToChain, else ChainToChain
*/
if (chainSge) {
ioc->ChainToChain[chain_idx] = newIndex;
} else {
ioc->ReqToChain[req_idx] = newIndex;
}
chain_idx = newIndex;
chain_dma_off = ioc->req_sz * chain_idx;
/* Populate the chainSGE for the current buffer.
* - Set chain buffer pointer to psge and fill
* out the Address and Flags fields.
*/
chainSge = (char *) psge;
dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
ioc->name, psge, req_idx));
/* Start the SGE for the next buffer
*/
psge = (char *) (ioc->ChainBuffer + chain_dma_off);
sgeOffset = 0;
sg_done = 0;
dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
ioc->name, psge, chain_idx));
/* Start the SGE for the next buffer
*/
goto nextSGEset;
}
return SUCCESS;
} /* mptscsih_AddSGE() */
static void
mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
U32 SlotStatus)
{
MPT_FRAME_HDR *mf;
SEPRequest_t *SEPMsg;
if (ioc->bus_type != SAS)
return;
/* Not supported for hidden raid components
*/
if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
return;
if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
ioc->name,__func__));
return;
}
SEPMsg = (SEPRequest_t *)mf;
SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
SEPMsg->Bus = vtarget->channel;
SEPMsg->TargetID = vtarget->id;
SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
SEPMsg->SlotStatus = SlotStatus;
devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"Sending SEP cmd=%x channel=%d id=%d\n",
ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
}
#ifdef CONFIG_FUSION_LOGGING
/**
* mptscsih_info_scsiio - debug print info on reply frame
* @ioc: Pointer to MPT_ADAPTER structure
* @sc: original scsi cmnd pointer
* @pScsiReply: Pointer to MPT reply frame
*
* MPT_DEBUG_REPLY needs to be enabled to obtain this info
*
* Refer to lsi/mpi.h.
**/
static void
mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
{
char *desc = NULL;
char *desc1 = NULL;
u16 ioc_status;
u8 skey, asc, ascq;
ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
switch (ioc_status) {
case MPI_IOCSTATUS_SUCCESS:
desc = "success";
break;
case MPI_IOCSTATUS_SCSI_INVALID_BUS:
desc = "invalid bus";
break;
case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
desc = "invalid target_id";
break;
case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
desc = "device not there";
break;
case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
desc = "data overrun";
break;
case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
desc = "data underrun";
break;
case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
desc = "I/O data error";
break;
case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
desc = "protocol error";
break;
case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
desc = "task terminated";
break;
case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
desc = "residual mismatch";
break;
case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
desc = "task management failed";
break;
case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
desc = "IOC terminated";
break;
case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
desc = "ext terminated";
break;
default:
desc = "";
break;
}
switch (pScsiReply->SCSIStatus)
{
case MPI_SCSI_STATUS_SUCCESS:
desc1 = "success";
break;
case MPI_SCSI_STATUS_CHECK_CONDITION:
desc1 = "check condition";
break;
case MPI_SCSI_STATUS_CONDITION_MET:
desc1 = "condition met";
break;
case MPI_SCSI_STATUS_BUSY:
desc1 = "busy";
break;
case MPI_SCSI_STATUS_INTERMEDIATE:
desc1 = "intermediate";
break;
case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
desc1 = "intermediate condmet";
break;
case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
desc1 = "reservation conflict";
break;
case MPI_SCSI_STATUS_COMMAND_TERMINATED:
desc1 = "command terminated";
break;
case MPI_SCSI_STATUS_TASK_SET_FULL:
desc1 = "task set full";
break;
case MPI_SCSI_STATUS_ACA_ACTIVE:
desc1 = "aca active";
break;
case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
desc1 = "fcpext device logged out";
break;
case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
desc1 = "fcpext no link";
break;
case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
desc1 = "fcpext unassigned";
break;
default:
desc1 = "";
break;
}
scsi_print_command(sc);
printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %llu\n",
ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
"resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
scsi_get_resid(sc));
printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
"sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
le32_to_cpu(pScsiReply->TransferCount), sc->result);
printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
"scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
pScsiReply->SCSIState);
if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
skey = sc->sense_buffer[2] & 0x0F;
asc = sc->sense_buffer[12];
ascq = sc->sense_buffer[13];
printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
"[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
}
/*
* Look for + dump FCP ResponseInfo[]!
*/
if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
pScsiReply->ResponseInfo)
printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
}
#endif
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
* mptscsih_io_done - Main SCSI IO callback routine registered to
* Fusion MPT (base) driver
* @ioc: Pointer to MPT_ADAPTER structure
* @mf: Pointer to original MPT request frame
* @r: Pointer to MPT reply frame (NULL if TurboReply)
*
* This routine is called from mpt.c::mpt_interrupt() at the completion
* of any SCSI IO request.
* This routine is registered with the Fusion MPT (base) driver at driver
* load/init time via the mpt_register() API call.
*
* Returns 1 indicating alloc'd request frame ptr should be freed.
*/
int
mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
{
struct scsi_cmnd *sc;
MPT_SCSI_HOST *hd;
SCSIIORequest_t *pScsiReq;
SCSIIOReply_t *pScsiReply;
u16 req_idx, req_idx_MR;
VirtDevice *vdevice;
VirtTarget *vtarget;
hd = shost_priv(ioc->sh);
req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
req_idx_MR = (mr != NULL) ?
le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
/* Special case, where already freed message frame is received from
* Firmware. It happens with Resetting IOC.
* Return immediately. Do not care
*/
if ((req_idx != req_idx_MR) ||
(le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
return 0;
sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
if (sc == NULL) {
MPIHeader_t *hdr = (MPIHeader_t *)mf;
/* Remark: writeSDP1 will use the ScsiDoneCtx
* If a SCSI I/O cmd, device disabled by OS and
* completion done. Cannot touch sc struct. Just free mem.
*/
if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
ioc->name);
mptscsih_freeChainBuffers(ioc, req_idx);
return 1;
}
if ((unsigned char *)mf != sc->host_scribble) {
mptscsih_freeChainBuffers(ioc, req_idx);
return 1;
}
if (ioc->bus_type == SAS) {
VirtDevice *vdevice = sc->device->hostdata;
if (!vdevice || !vdevice->vtarget ||
vdevice->vtarget->deleted) {
sc->result = DID_NO_CONNECT << 16;
goto out;
}
}
sc->host_scribble = NULL;
sc->result = DID_OK << 16; /* Set default reply as OK */
pScsiReq = (SCSIIORequest_t *) mf;
pScsiReply = (SCSIIOReply_t *) mr;
if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
}else{
dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
ioc->name, mf, mr, sc, req_idx));
}
if (pScsiReply == NULL) {
/* special context reply handling */
;
} else {
u32 xfer_cnt;
u16 status;
u8 scsi_state, scsi_status;
u32 log_info;
status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
scsi_state = pScsiReply->SCSIState;
scsi_status = pScsiReply->SCSIStatus;
xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
/*
* if we get a data underrun indication, yet no data was
* transferred and the SCSI status indicates that the
* command was never started, change the data underrun
* to success
*/
if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
(scsi_status == MPI_SCSI_STATUS_BUSY ||
scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
status = MPI_IOCSTATUS_SUCCESS;
}
if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
/*
* Look for + dump FCP ResponseInfo[]!
*/
if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
pScsiReply->ResponseInfo) {
printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%llu] "
"FCP_ResponseInfo=%08xh\n", ioc->name,
sc->device->host->host_no, sc->device->channel,
sc->device->id, sc->device->lun,
le32_to_cpu(pScsiReply->ResponseInfo));
}
switch(status) {
case MPI_IOCSTATUS_BUSY: /* 0x0002 */
case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
/* CHECKME!
* Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
* But not: DID_BUS_BUSY lest one risk
* killing interrupt handler:-(
*/
sc->result = SAM_STAT_BUSY;
break;
case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
sc->result = DID_BAD_TARGET << 16;
break;
case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
/* Spoof to SCSI Selection Timeout! */
if (ioc->bus_type != FC)
sc->result = DID_NO_CONNECT << 16;
/* else fibre, just stall until rescan event */
else
sc->result = DID_REQUEUE << 16;
if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
hd->sel_timeout[pScsiReq->TargetID]++;
vdevice = sc->device->hostdata;
if (!vdevice)
break;
vtarget = vdevice->vtarget;
if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
mptscsih_issue_sep_command(ioc, vtarget,
MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
}
break;
case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
if ( ioc->bus_type == SAS ) {
u16 ioc_status =
le16_to_cpu(pScsiReply->IOCStatus);
if ((ioc_status &
MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
&&
((log_info & SAS_LOGINFO_MASK) ==
SAS_LOGINFO_NEXUS_LOSS)) {
VirtDevice *vdevice =
sc->device->hostdata;
/* flag the device as being in
* device removal delay so we can
* notify the midlayer to hold off
* on timeout eh */
if (vdevice && vdevice->
vtarget &&
vdevice->vtarget->
raidVolume)
printk(KERN_INFO
"Skipping Raid Volume"
"for inDMD\n");
else if (vdevice &&
vdevice->vtarget)
vdevice->vtarget->
inDMD = 1;
sc->result =
(DID_TRANSPORT_DISRUPTED
<< 16);
break;
}
} else if (ioc->bus_type == FC) {
/*
* The FC IOC may kill a request for variety of
* reasons, some of which may be recovered by a
* retry, some which are unlikely to be
* recovered. Return DID_ERROR instead of
* DID_RESET to permit retry of the command,
* just not an infinite number of them
*/
sc->result = DID_ERROR << 16;
break;
}
/*
* Allow non-SAS & non-NEXUS_LOSS to drop into below code
*/
case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
/* Linux handles an unsolicited DID_RESET better
* than an unsolicited DID_ABORT.
*/
sc->result = DID_RESET << 16;
break;
case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
if (ioc->bus_type == FC)
sc->result = DID_ERROR << 16;
else
sc->result = DID_RESET << 16;
break;
case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
sc->result=DID_SOFT_ERROR << 16;
else /* Sufficient data transfer occurred */
sc->result = (DID_OK << 16) | scsi_status;
dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
ioc->name, sc->result, sc->device->channel, sc->device->id));
break;
case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
/*
* Do upfront check for valid SenseData and give it
* precedence!
*/
sc->result = (DID_OK << 16) | scsi_status;
if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
/*
* For an Errata on LSI53C1030
* When the length of request data
* and transfer data are different
* with result of command (READ or VERIFY),
* DID_SOFT_ERROR is set.
*/
if (ioc->bus_type == SPI) {
if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
pScsiReq->CDB[0] == READ_10 ||
pScsiReq->CDB[0] == READ_12 ||
(pScsiReq->CDB[0] == READ_16 &&
((pScsiReq->CDB[1] & 0x02) == 0)) ||
pScsiReq->CDB[0] == VERIFY ||
pScsiReq->CDB[0] == VERIFY_16) {
if (scsi_bufflen(sc) !=
xfer_cnt) {
sc->result =
DID_SOFT_ERROR << 16;
printk(KERN_WARNING "Errata"
"on LSI53C1030 occurred."
"sc->req_bufflen=0x%02x,"
"xfer_cnt=0x%02x\n",
scsi_bufflen(sc),
xfer_cnt);
}
}
}
if (xfer_cnt < sc->underflow) {
if (scsi_status == SAM_STAT_BUSY)
sc->result = SAM_STAT_BUSY;
else
sc->result = DID_SOFT_ERROR << 16;
}
if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
/* What to do?
*/
sc->result = DID_SOFT_ERROR << 16;
}
else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
/* Not real sure here either... */
sc->result = DID_RESET << 16;
}
}
dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
" sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
ioc->name, sc->underflow));
dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
" ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
/* Report Queue Full
*/
if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
break;
case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
scsi_set_resid(sc, 0);
case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
sc->result = (DID_OK << 16) | scsi_status;
if (scsi_state == 0) {
;
} else if (scsi_state &
MPI_SCSI_STATE_AUTOSENSE_VALID) {
/*
* For potential trouble on LSI53C1030.
* (date:2007.xx.)
* It is checked whether the length of
* request data is equal to
* the length of transfer and residual.
* MEDIUM_ERROR is set by incorrect data.
*/
if ((ioc->bus_type == SPI) &&
(sc->sense_buffer[2] & 0x20)) {
u32 difftransfer;
difftransfer =
sc->sense_buffer[3] << 24 |
sc->sense_buffer[4] << 16 |
sc->sense_buffer[5] << 8 |
sc->sense_buffer[6];
if (((sc->sense_buffer[3] & 0x80) ==
0x80) && (scsi_bufflen(sc)
!= xfer_cnt)) {
sc->sense_buffer[2] =
MEDIUM_ERROR;
sc->sense_buffer[12] = 0xff;
sc->sense_buffer[13] = 0xff;
printk(KERN_WARNING"Errata"
"on LSI53C1030 occurred."
"sc->req_bufflen=0x%02x,"
"xfer_cnt=0x%02x\n" ,
scsi_bufflen(sc),
xfer_cnt);
}
if (((sc->sense_buffer[3] & 0x80)
!= 0x80) &&
(scsi_bufflen(sc) !=
xfer_cnt + difftransfer)) {
sc->sense_buffer[2] =
MEDIUM_ERROR;
sc->sense_buffer[12] = 0xff;
sc->sense_buffer[13] = 0xff;
printk(KERN_WARNING
"Errata on LSI53C1030 occurred"
"sc->req_bufflen=0x%02x,"
" xfer_cnt=0x%02x,"
"difftransfer=0x%02x\n",
scsi_bufflen(sc),
xfer_cnt,
difftransfer);
}
}
/*
* If running against circa 200003dd 909 MPT f/w,
* may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
* (QUEUE_FULL) returned from device! --> get 0x0000?128
* and with SenseBytes set to 0.
*/
if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
}
else if (scsi_state &
(MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
) {
/*
* What to do?
*/
sc->result = DID_SOFT_ERROR << 16;
}
else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
/* Not real sure here either... */
sc->result = DID_RESET << 16;
}
else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
/* Device Inq. data indicates that it supports
* QTags, but rejects QTag messages.
* This command completed OK.
*
* Not real sure here either so do nothing... */
}
if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
/* Add handling of:
* Reservation Conflict, Busy,
* Command Terminated, CHECK
*/
break;
case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
sc->result = DID_SOFT_ERROR << 16;
break;
case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
default:
/*
* What to do?
*/
sc->result = DID_SOFT_ERROR << 16;
break;
} /* switch(status) */