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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
[deliverable/linux.git] / drivers / message / fusion / mptscsih.c
1 /*
2 * linux/drivers/message/fusion/mptscsih.c
3 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
5 *
6 * Copyright (c) 1999-2008 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
8 *
9 */
10 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
11 /*
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; version 2 of the License.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 NO WARRANTY
22 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
23 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
24 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
25 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
26 solely responsible for determining the appropriateness of using and
27 distributing the Program and assumes all risks associated with its
28 exercise of rights under this Agreement, including but not limited to
29 the risks and costs of program errors, damage to or loss of data,
30 programs or equipment, and unavailability or interruption of operations.
31
32 DISCLAIMER OF LIABILITY
33 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
34 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
36 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
37 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
38 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
39 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
40
41 You should have received a copy of the GNU General Public License
42 along with this program; if not, write to the Free Software
43 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
44 */
45 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
46
47 #include <linux/module.h>
48 #include <linux/kernel.h>
49 #include <linux/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> /* for mdelay */
55 #include <linux/interrupt.h> /* needed for in_interrupt() proto */
56 #include <linux/reboot.h> /* notifier code */
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
75 MODULE_AUTHOR(MODULEAUTHOR);
76 MODULE_DESCRIPTION(my_NAME);
77 MODULE_LICENSE("GPL");
78 MODULE_VERSION(my_VERSION);
79
80 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
81 /*
82 * Other private/forward protos...
83 */
84 struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
85 static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
86 static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
87 static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
88 int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
89 static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
90 int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
91
92 static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
93 SCSIIORequest_t *pReq, int req_idx);
94 static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
95 static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
96
97 int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
98 u64 lun, int ctx2abort, ulong timeout);
99
100 int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
101 int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
102
103 void
104 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
105 static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
106 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
107 int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
108 static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
109 static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
110
111 static int
112 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
113 SCSITaskMgmtReply_t *pScsiTmReply);
114 void mptscsih_remove(struct pci_dev *);
115 void mptscsih_shutdown(struct pci_dev *);
116 #ifdef CONFIG_PM
117 int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
118 int mptscsih_resume(struct pci_dev *pdev);
119 #endif
120
121 #define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE
122
123
124 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
125 /*
126 * mptscsih_getFreeChainBuffer - Function to get a free chain
127 * from the MPT_SCSI_HOST FreeChainQ.
128 * @ioc: Pointer to MPT_ADAPTER structure
129 * @req_idx: Index of the SCSI IO request frame. (output)
130 *
131 * return SUCCESS or FAILED
132 */
133 static inline int
134 mptscsih_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 } /* mptscsih_getFreeChainBuffer() */
167
168 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
169 /*
170 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
171 * SCSIIORequest_t Message Frame.
172 * @ioc: Pointer to MPT_ADAPTER structure
173 * @SCpnt: Pointer to scsi_cmnd structure
174 * @pReq: Pointer to SCSIIORequest_t structure
175 *
176 * Returns ...
177 */
178 static int
179 mptscsih_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 /* Map the data portion, if any.
208 * sges_left = 0 if no data transfer.
209 */
210 sges_left = scsi_dma_map(SCpnt);
211 if (sges_left < 0)
212 return FAILED;
213
214 /* Handle the SG case.
215 */
216 sg = scsi_sglist(SCpnt);
217 sg_done = 0;
218 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
219 chainSge = NULL;
220
221 /* Prior to entering this loop - the following must be set
222 * current MF: sgeOffset (bytes)
223 * chainSge (Null if original MF is not a chain buffer)
224 * sg_done (num SGE done for this MF)
225 */
226
227 nextSGEset:
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 /* Get first (num - 1) SG elements
234 * Skip any SG entries with a length of 0
235 * NOTE: at finish, sg and psge pointed to NEXT data/location positions
236 */
237 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
238 thisxfer = sg_dma_len(sg);
239 if (thisxfer == 0) {
240 /* Get next SG element from the OS */
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 /* Get next SG element from the OS */
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 /* Add last element, end of buffer and end of list flags.
258 */
259 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
260 MPT_SGE_FLAGS_END_OF_BUFFER |
261 MPT_SGE_FLAGS_END_OF_LIST;
262
263 /* Add last SGE and set termination flags.
264 * Note: Last SGE may have a length of 0 - which should be ok.
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 /* The current buffer is a chain buffer,
275 * but there is not another one.
276 * Update the chain element
277 * Offset and Length fields.
278 */
279 ioc->add_chain((char *)chainSge, 0, sgeOffset,
280 ioc->ChainBufferDMA + chain_dma_off);
281 } else {
282 /* The current buffer is the original MF
283 * and there is no Chain buffer.
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 /* At least one chain buffer is needed.
293 * Complete the first MF
294 * - last SGE element, set the LastElement bit
295 * - set ChainOffset (words) for orig MF
296 * (OR finish previous MF chain buffer)
297 * - update MFStructPtr ChainIndex
298 * - Populate chain element
299 * Also
300 * Loop until done.
301 */
302
303 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
304 ioc->name, sg_done));
305
306 /* Set LAST_ELEMENT flag for last non-chain element
307 * in the buffer. Since psge points at the NEXT
308 * SGE element, go back one SGE element, update the flags
309 * and reset the pointer. (Note: sgflags & thisxfer are already
310 * set properly).
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 /* The current buffer is a chain buffer.
321 * chainSge points to the previous Chain Element.
322 * Update its chain element Offset and Length (must
323 * include chain element size) fields.
324 * Old chain element is now complete.
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 /* The original MF buffer requires a chain buffer -
332 * set the offset.
333 * Last element in this MF is a chain element.
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 /* NOTE: psge points to the beginning of the chain element
345 * in current buffer. Get a chain buffer.
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 /* Update the tracking arrays.
355 * If chainSge == NULL, update ReqToChain, else ChainToChain
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 /* Populate the chainSGE for the current buffer.
366 * - Set chain buffer pointer to psge and fill
367 * out the Address and Flags fields.
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 /* Start the SGE for the next buffer
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 /* Start the SGE for the next buffer
383 */
384
385 goto nextSGEset;
386 }
387
388 return SUCCESS;
389 } /* mptscsih_AddSGE() */
390
391 static void
392 mptscsih_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 /* Not supported for hidden raid components
402 */
403 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
404 return;
405
406 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
407 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
408 ioc->name,__func__));
409 return;
410 }
411
412 SEPMsg = (SEPRequest_t *)mf;
413 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
414 SEPMsg->Bus = vtarget->channel;
415 SEPMsg->TargetID = vtarget->id;
416 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
417 SEPMsg->SlotStatus = SlotStatus;
418 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
419 "Sending SEP cmd=%x channel=%d id=%d\n",
420 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
421 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
422 }
423
424 #ifdef CONFIG_FUSION_LOGGING
425 /**
426 * mptscsih_info_scsiio - debug print info on reply frame
427 * @ioc: Pointer to MPT_ADAPTER structure
428 * @sc: original scsi cmnd pointer
429 * @pScsiReply: Pointer to MPT reply frame
430 *
431 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
432 *
433 * Refer to lsi/mpi.h.
434 **/
435 static void
436 mptscsih_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 = %llu\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 * Look for + dump FCP ResponseInfo[]!
564 */
565 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
566 pScsiReply->ResponseInfo)
567 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
568 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
569 }
570 #endif
571
572 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
573 /*
574 * mptscsih_io_done - Main SCSI IO callback routine registered to
575 * Fusion MPT (base) driver
576 * @ioc: Pointer to MPT_ADAPTER structure
577 * @mf: Pointer to original MPT request frame
578 * @r: Pointer to MPT reply frame (NULL if TurboReply)
579 *
580 * This routine is called from mpt.c::mpt_interrupt() at the completion
581 * of any SCSI IO request.
582 * This routine is registered with the Fusion MPT (base) driver at driver
583 * load/init time via the mpt_register() API call.
584 *
585 * Returns 1 indicating alloc'd request frame ptr should be freed.
586 */
587 int
588 mptscsih_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 /* Special case, where already freed message frame is received from
604 * Firmware. It happens with Resetting IOC.
605 * Return immediately. Do not care
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 /* Remark: writeSDP1 will use the ScsiDoneCtx
616 * If a SCSI I/O cmd, device disabled by OS and
617 * completion done. Cannot touch sc struct. Just free mem.
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; /* Set default reply as OK */
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 /* special context reply handling */
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 * if we get a data underrun indication, yet no data was
676 * transferred and the SCSI status indicates that the
677 * command was never started, change the data underrun
678 * to success
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 * Look for + dump FCP ResponseInfo[]!
692 */
693 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
694 pScsiReply->ResponseInfo) {
695 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%llu] "
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: /* 0x0002 */
704 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
705 /* CHECKME!
706 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
707 * But not: DID_BUS_BUSY lest one risk
708 * killing interrupt handler:-(
709 */
710 sc->result = SAM_STAT_BUSY;
711 break;
712
713 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
714 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
715 sc->result = DID_BAD_TARGET << 16;
716 break;
717
718 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
719 /* Spoof to SCSI Selection Timeout! */
720 if (ioc->bus_type != FC)
721 sc->result = DID_NO_CONNECT << 16;
722 /* else fibre, just stall until rescan event */
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: /* 0x004B */
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 /* flag the device as being in
753 * device removal delay so we can
754 * notify the midlayer to hold off
755 * on timeout eh */
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 * The FC IOC may kill a request for variety of
776 * reasons, some of which may be recovered by a
777 * retry, some which are unlikely to be
778 * recovered. Return DID_ERROR instead of
779 * DID_RESET to permit retry of the command,
780 * just not an infinite number of them
781 */
782 sc->result = DID_ERROR << 16;
783 break;
784 }
785
786 /*
787 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
788 */
789
790 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
791 /* Linux handles an unsolicited DID_RESET better
792 * than an unsolicited DID_ABORT.
793 */
794 sc->result = DID_RESET << 16;
795 break;
796
797 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
798 if (ioc->bus_type == FC)
799 sc->result = DID_ERROR << 16;
800 else
801 sc->result = DID_RESET << 16;
802 break;
803
804 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
805 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
806 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
807 sc->result=DID_SOFT_ERROR << 16;
808 else /* Sufficient data transfer occurred */
809 sc->result = (DID_OK << 16) | scsi_status;
810 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
811 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
812 ioc->name, sc->result, sc->device->channel, sc->device->id));
813 break;
814
815 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
816 /*
817 * Do upfront check for valid SenseData and give it
818 * precedence!
819 */
820 sc->result = (DID_OK << 16) | scsi_status;
821 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
822
823 /*
824 * For an Errata on LSI53C1030
825 * When the length of request data
826 * and transfer data are different
827 * with result of command (READ or VERIFY),
828 * DID_SOFT_ERROR is set.
829 */
830 if (ioc->bus_type == SPI) {
831 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
832 pScsiReq->CDB[0] == READ_10 ||
833 pScsiReq->CDB[0] == READ_12 ||
834 (pScsiReq->CDB[0] == READ_16 &&
835 ((pScsiReq->CDB[1] & 0x02) == 0)) ||
836 pScsiReq->CDB[0] == VERIFY ||
837 pScsiReq->CDB[0] == VERIFY_16) {
838 if (scsi_bufflen(sc) !=
839 xfer_cnt) {
840 sc->result =
841 DID_SOFT_ERROR << 16;
842 printk(KERN_WARNING "Errata"
843 "on LSI53C1030 occurred."
844 "sc->req_bufflen=0x%02x,"
845 "xfer_cnt=0x%02x\n",
846 scsi_bufflen(sc),
847 xfer_cnt);
848 }
849 }
850 }
851
852 if (xfer_cnt < sc->underflow) {
853 if (scsi_status == SAM_STAT_BUSY)
854 sc->result = SAM_STAT_BUSY;
855 else
856 sc->result = DID_SOFT_ERROR << 16;
857 }
858 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
859 /* What to do?
860 */
861 sc->result = DID_SOFT_ERROR << 16;
862 }
863 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
864 /* Not real sure here either... */
865 sc->result = DID_RESET << 16;
866 }
867 }
868
869
870 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
871 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
872 ioc->name, sc->underflow));
873 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
874 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
875
876 /* Report Queue Full
877 */
878 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
879 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
880
881 break;
882
883 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
884 scsi_set_resid(sc, 0);
885 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
886 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
887 sc->result = (DID_OK << 16) | scsi_status;
888 if (scsi_state == 0) {
889 ;
890 } else if (scsi_state &
891 MPI_SCSI_STATE_AUTOSENSE_VALID) {
892
893 /*
894 * For potential trouble on LSI53C1030.
895 * (date:2007.xx.)
896 * It is checked whether the length of
897 * request data is equal to
898 * the length of transfer and residual.
899 * MEDIUM_ERROR is set by incorrect data.
900 */
901 if ((ioc->bus_type == SPI) &&
902 (sc->sense_buffer[2] & 0x20)) {
903 u32 difftransfer;
904 difftransfer =
905 sc->sense_buffer[3] << 24 |
906 sc->sense_buffer[4] << 16 |
907 sc->sense_buffer[5] << 8 |
908 sc->sense_buffer[6];
909 if (((sc->sense_buffer[3] & 0x80) ==
910 0x80) && (scsi_bufflen(sc)
911 != xfer_cnt)) {
912 sc->sense_buffer[2] =
913 MEDIUM_ERROR;
914 sc->sense_buffer[12] = 0xff;
915 sc->sense_buffer[13] = 0xff;
916 printk(KERN_WARNING"Errata"
917 "on LSI53C1030 occurred."
918 "sc->req_bufflen=0x%02x,"
919 "xfer_cnt=0x%02x\n" ,
920 scsi_bufflen(sc),
921 xfer_cnt);
922 }
923 if (((sc->sense_buffer[3] & 0x80)
924 != 0x80) &&
925 (scsi_bufflen(sc) !=
926 xfer_cnt + difftransfer)) {
927 sc->sense_buffer[2] =
928 MEDIUM_ERROR;
929 sc->sense_buffer[12] = 0xff;
930 sc->sense_buffer[13] = 0xff;
931 printk(KERN_WARNING
932 "Errata on LSI53C1030 occurred"
933 "sc->req_bufflen=0x%02x,"
934 " xfer_cnt=0x%02x,"
935 "difftransfer=0x%02x\n",
936 scsi_bufflen(sc),
937 xfer_cnt,
938 difftransfer);
939 }
940 }
941
942 /*
943 * If running against circa 200003dd 909 MPT f/w,
944 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
945 * (QUEUE_FULL) returned from device! --> get 0x0000?128
946 * and with SenseBytes set to 0.
947 */
948 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
949 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
950
951 }
952 else if (scsi_state &
953 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
954 ) {
955 /*
956 * What to do?
957 */
958 sc->result = DID_SOFT_ERROR << 16;
959 }
960 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
961 /* Not real sure here either... */
962 sc->result = DID_RESET << 16;
963 }
964 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
965 /* Device Inq. data indicates that it supports
966 * QTags, but rejects QTag messages.
967 * This command completed OK.
968 *
969 * Not real sure here either so do nothing... */
970 }
971
972 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
973 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
974
975 /* Add handling of:
976 * Reservation Conflict, Busy,
977 * Command Terminated, CHECK
978 */
979 break;
980
981 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
982 sc->result = DID_SOFT_ERROR << 16;
983 break;
984
985 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
986 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
987 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
988 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
989 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
990 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
991 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
992 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
993 default:
994 /*
995 * What to do?
996 */
997 sc->result = DID_SOFT_ERROR << 16;
998 break;
999
1000 } /* switch(status) */
1001
1002 #ifdef CONFIG_FUSION_LOGGING
1003 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
1004 mptscsih_info_scsiio(ioc, sc, pScsiReply);
1005 #endif
1006
1007 } /* end of address reply case */
1008 out:
1009 /* Unmap the DMA buffers, if any. */
1010 scsi_dma_unmap(sc);
1011
1012 sc->scsi_done(sc); /* Issue the command callback */
1013
1014 /* Free Chain buffers */
1015 mptscsih_freeChainBuffers(ioc, req_idx);
1016 return 1;
1017 }
1018
1019 /*
1020 * mptscsih_flush_running_cmds - For each command found, search
1021 * Scsi_Host instance taskQ and reply to OS.
1022 * Called only if recovering from a FW reload.
1023 * @hd: Pointer to a SCSI HOST structure
1024 *
1025 * Returns: None.
1026 *
1027 * Must be called while new I/Os are being queued.
1028 */
1029 void
1030 mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1031 {
1032 MPT_ADAPTER *ioc = hd->ioc;
1033 struct scsi_cmnd *sc;
1034 SCSIIORequest_t *mf = NULL;
1035 int ii;
1036 int channel, id;
1037
1038 for (ii= 0; ii < ioc->req_depth; ii++) {
1039 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1040 if (!sc)
1041 continue;
1042 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1043 if (!mf)
1044 continue;
1045 channel = mf->Bus;
1046 id = mf->TargetID;
1047 mptscsih_freeChainBuffers(ioc, ii);
1048 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1049 if ((unsigned char *)mf != sc->host_scribble)
1050 continue;
1051 scsi_dma_unmap(sc);
1052 sc->result = DID_RESET << 16;
1053 sc->host_scribble = NULL;
1054 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1055 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1056 "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
1057 sc->scsi_done(sc);
1058 }
1059 }
1060 EXPORT_SYMBOL(mptscsih_flush_running_cmds);
1061
1062 /*
1063 * mptscsih_search_running_cmds - Delete any commands associated
1064 * with the specified target and lun. Function called only
1065 * when a lun is disable by mid-layer.
1066 * Do NOT access the referenced scsi_cmnd structure or
1067 * members. Will cause either a paging or NULL ptr error.
1068 * (BUT, BUT, BUT, the code does reference it! - mdr)
1069 * @hd: Pointer to a SCSI HOST structure
1070 * @vdevice: per device private data
1071 *
1072 * Returns: None.
1073 *
1074 * Called from slave_destroy.
1075 */
1076 static void
1077 mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1078 {
1079 SCSIIORequest_t *mf = NULL;
1080 int ii;
1081 struct scsi_cmnd *sc;
1082 struct scsi_lun lun;
1083 MPT_ADAPTER *ioc = hd->ioc;
1084 unsigned long flags;
1085
1086 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1087 for (ii = 0; ii < ioc->req_depth; ii++) {
1088 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
1089
1090 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1091 if (mf == NULL)
1092 continue;
1093 /* If the device is a hidden raid component, then its
1094 * expected that the mf->function will be RAID_SCSI_IO
1095 */
1096 if (vdevice->vtarget->tflags &
1097 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1098 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1099 continue;
1100
1101 int_to_scsilun(vdevice->lun, &lun);
1102 if ((mf->Bus != vdevice->vtarget->channel) ||
1103 (mf->TargetID != vdevice->vtarget->id) ||
1104 memcmp(lun.scsi_lun, mf->LUN, 8))
1105 continue;
1106
1107 if ((unsigned char *)mf != sc->host_scribble)
1108 continue;
1109 ioc->ScsiLookup[ii] = NULL;
1110 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1111 mptscsih_freeChainBuffers(ioc, ii);
1112 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1113 scsi_dma_unmap(sc);
1114 sc->host_scribble = NULL;
1115 sc->result = DID_NO_CONNECT << 16;
1116 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1117 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1118 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1119 vdevice->vtarget->channel, vdevice->vtarget->id,
1120 sc, mf, ii));
1121 sc->scsi_done(sc);
1122 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1123 }
1124 }
1125 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1126 return;
1127 }
1128
1129 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1130
1131 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1132 /*
1133 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
1134 * from a SCSI target device.
1135 * @sc: Pointer to scsi_cmnd structure
1136 * @pScsiReply: Pointer to SCSIIOReply_t
1137 * @pScsiReq: Pointer to original SCSI request
1138 *
1139 * This routine periodically reports QUEUE_FULL status returned from a
1140 * SCSI target device. It reports this to the console via kernel
1141 * printk() API call, not more than once every 10 seconds.
1142 */
1143 static void
1144 mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1145 {
1146 long time = jiffies;
1147 MPT_SCSI_HOST *hd;
1148 MPT_ADAPTER *ioc;
1149
1150 if (sc->device == NULL)
1151 return;
1152 if (sc->device->host == NULL)
1153 return;
1154 if ((hd = shost_priv(sc->device->host)) == NULL)
1155 return;
1156 ioc = hd->ioc;
1157 if (time - hd->last_queue_full > 10 * HZ) {
1158 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%llu) reported QUEUE_FULL!\n",
1159 ioc->name, 0, sc->device->id, sc->device->lun));
1160 hd->last_queue_full = time;
1161 }
1162 }
1163
1164 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1165 /*
1166 * mptscsih_remove - Removed scsi devices
1167 * @pdev: Pointer to pci_dev structure
1168 *
1169 *
1170 */
1171 void
1172 mptscsih_remove(struct pci_dev *pdev)
1173 {
1174 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1175 struct Scsi_Host *host = ioc->sh;
1176 MPT_SCSI_HOST *hd;
1177 int sz1;
1178
1179 scsi_remove_host(host);
1180
1181 if((hd = shost_priv(host)) == NULL)
1182 return;
1183
1184 mptscsih_shutdown(pdev);
1185
1186 sz1=0;
1187
1188 if (ioc->ScsiLookup != NULL) {
1189 sz1 = ioc->req_depth * sizeof(void *);
1190 kfree(ioc->ScsiLookup);
1191 ioc->ScsiLookup = NULL;
1192 }
1193
1194 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1195 "Free'd ScsiLookup (%d) memory\n",
1196 ioc->name, sz1));
1197
1198 kfree(hd->info_kbuf);
1199
1200 /* NULL the Scsi_Host pointer
1201 */
1202 ioc->sh = NULL;
1203
1204 scsi_host_put(host);
1205
1206 mpt_detach(pdev);
1207
1208 }
1209
1210 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1211 /*
1212 * mptscsih_shutdown - reboot notifier
1213 *
1214 */
1215 void
1216 mptscsih_shutdown(struct pci_dev *pdev)
1217 {
1218 }
1219
1220 #ifdef CONFIG_PM
1221 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1222 /*
1223 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1224 *
1225 *
1226 */
1227 int
1228 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1229 {
1230 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1231
1232 scsi_block_requests(ioc->sh);
1233 flush_scheduled_work();
1234 mptscsih_shutdown(pdev);
1235 return mpt_suspend(pdev,state);
1236 }
1237
1238 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1239 /*
1240 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1241 *
1242 *
1243 */
1244 int
1245 mptscsih_resume(struct pci_dev *pdev)
1246 {
1247 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1248 int rc;
1249
1250 rc = mpt_resume(pdev);
1251 scsi_unblock_requests(ioc->sh);
1252 return rc;
1253 }
1254
1255 #endif
1256
1257 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1258 /**
1259 * mptscsih_info - Return information about MPT adapter
1260 * @SChost: Pointer to Scsi_Host structure
1261 *
1262 * (linux scsi_host_template.info routine)
1263 *
1264 * Returns pointer to buffer where information was written.
1265 */
1266 const char *
1267 mptscsih_info(struct Scsi_Host *SChost)
1268 {
1269 MPT_SCSI_HOST *h;
1270 int size = 0;
1271
1272 h = shost_priv(SChost);
1273
1274 if (h->info_kbuf == NULL)
1275 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, 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 return h->info_kbuf;
1283 }
1284
1285 int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host)
1286 {
1287 MPT_SCSI_HOST *hd = shost_priv(host);
1288 MPT_ADAPTER *ioc = hd->ioc;
1289
1290 seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name);
1291 seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1292 seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts);
1293 seq_printf(m, "MaxQ=%d\n", ioc->req_depth);
1294
1295 return 0;
1296 }
1297
1298 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1299 #define ADD_INDEX_LOG(req_ent) do { } while(0)
1300
1301 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1302 /**
1303 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1304 * @SCpnt: Pointer to scsi_cmnd structure
1305 *
1306 * (linux scsi_host_template.queuecommand routine)
1307 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1308 * from a linux scsi_cmnd request and send it to the IOC.
1309 *
1310 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1311 */
1312 int
1313 mptscsih_qcmd(struct scsi_cmnd *SCpnt)
1314 {
1315 MPT_SCSI_HOST *hd;
1316 MPT_FRAME_HDR *mf;
1317 SCSIIORequest_t *pScsiReq;
1318 VirtDevice *vdevice = SCpnt->device->hostdata;
1319 u32 datalen;
1320 u32 scsictl;
1321 u32 scsidir;
1322 u32 cmd_len;
1323 int my_idx;
1324 int ii;
1325 MPT_ADAPTER *ioc;
1326
1327 hd = shost_priv(SCpnt->device->host);
1328 ioc = hd->ioc;
1329
1330 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p\n",
1331 ioc->name, SCpnt));
1332
1333 if (ioc->taskmgmt_quiesce_io)
1334 return SCSI_MLQUEUE_HOST_BUSY;
1335
1336 /*
1337 * Put together a MPT SCSI request...
1338 */
1339 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1340 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1341 ioc->name));
1342 return SCSI_MLQUEUE_HOST_BUSY;
1343 }
1344
1345 pScsiReq = (SCSIIORequest_t *) mf;
1346
1347 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1348
1349 ADD_INDEX_LOG(my_idx);
1350
1351 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1352 * Seems we may receive a buffer (datalen>0) even when there
1353 * will be no data transfer! GRRRRR...
1354 */
1355 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1356 datalen = scsi_bufflen(SCpnt);
1357 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1358 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1359 datalen = scsi_bufflen(SCpnt);
1360 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1361 } else {
1362 datalen = 0;
1363 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1364 }
1365
1366 /* Default to untagged. Once a target structure has been allocated,
1367 * use the Inquiry data to determine if device supports tagged.
1368 */
1369 if ((vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
1370 && (SCpnt->device->tagged_supported)) {
1371 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1372 if (SCpnt->request && SCpnt->request->ioprio) {
1373 if (((SCpnt->request->ioprio & 0x7) == 1) ||
1374 !(SCpnt->request->ioprio & 0x7))
1375 scsictl |= MPI_SCSIIO_CONTROL_HEADOFQ;
1376 }
1377 } else
1378 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1379
1380
1381 /* Use the above information to set up the message frame
1382 */
1383 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1384 pScsiReq->Bus = vdevice->vtarget->channel;
1385 pScsiReq->ChainOffset = 0;
1386 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1387 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1388 else
1389 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1390 pScsiReq->CDBLength = SCpnt->cmd_len;
1391 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1392 pScsiReq->Reserved = 0;
1393 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1394 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1395 pScsiReq->Control = cpu_to_le32(scsictl);
1396
1397 /*
1398 * Write SCSI CDB into the message
1399 */
1400 cmd_len = SCpnt->cmd_len;
1401 for (ii=0; ii < cmd_len; ii++)
1402 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1403
1404 for (ii=cmd_len; ii < 16; ii++)
1405 pScsiReq->CDB[ii] = 0;
1406
1407 /* DataLength */
1408 pScsiReq->DataLength = cpu_to_le32(datalen);
1409
1410 /* SenseBuffer low address */
1411 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1412 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1413
1414 /* Now add the SG list
1415 * Always have a SGE even if null length.
1416 */
1417 if (datalen == 0) {
1418 /* Add a NULL SGE */
1419 ioc->add_sge((char *)&pScsiReq->SGL,
1420 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1421 (dma_addr_t) -1);
1422 } else {
1423 /* Add a 32 or 64 bit SGE */
1424 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1425 goto fail;
1426 }
1427
1428 SCpnt->host_scribble = (unsigned char *)mf;
1429 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1430
1431 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1432 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1433 ioc->name, SCpnt, mf, my_idx));
1434 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1435 return 0;
1436
1437 fail:
1438 mptscsih_freeChainBuffers(ioc, my_idx);
1439 mpt_free_msg_frame(ioc, mf);
1440 return SCSI_MLQUEUE_HOST_BUSY;
1441 }
1442
1443 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1444 /*
1445 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1446 * with a SCSI IO request
1447 * @hd: Pointer to the MPT_SCSI_HOST instance
1448 * @req_idx: Index of the SCSI IO request frame.
1449 *
1450 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1451 * No return.
1452 */
1453 static void
1454 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1455 {
1456 MPT_FRAME_HDR *chain;
1457 unsigned long flags;
1458 int chain_idx;
1459 int next;
1460
1461 /* Get the first chain index and reset
1462 * tracker state.
1463 */
1464 chain_idx = ioc->ReqToChain[req_idx];
1465 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1466
1467 while (chain_idx != MPT_HOST_NO_CHAIN) {
1468
1469 /* Save the next chain buffer index */
1470 next = ioc->ChainToChain[chain_idx];
1471
1472 /* Free this chain buffer and reset
1473 * tracker
1474 */
1475 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1476
1477 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1478 + (chain_idx * ioc->req_sz));
1479
1480 spin_lock_irqsave(&ioc->FreeQlock, flags);
1481 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1482 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1483
1484 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1485 ioc->name, chain_idx));
1486
1487 /* handle next */
1488 chain_idx = next;
1489 }
1490 return;
1491 }
1492
1493 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1494 /*
1495 * Reset Handling
1496 */
1497
1498 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1499 /**
1500 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1501 * @hd: Pointer to MPT_SCSI_HOST structure
1502 * @type: Task Management type
1503 * @channel: channel number for task management
1504 * @id: Logical Target ID for reset (if appropriate)
1505 * @lun: Logical Unit for reset (if appropriate)
1506 * @ctx2abort: Context for the task to be aborted (if appropriate)
1507 * @timeout: timeout for task management control
1508 *
1509 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1510 * or a non-interrupt thread. In the former, must not call schedule().
1511 *
1512 * Not all fields are meaningfull for all task types.
1513 *
1514 * Returns 0 for SUCCESS, or FAILED.
1515 *
1516 **/
1517 int
1518 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, u64 lun,
1519 int ctx2abort, ulong timeout)
1520 {
1521 MPT_FRAME_HDR *mf;
1522 SCSITaskMgmt_t *pScsiTm;
1523 int ii;
1524 int retval;
1525 MPT_ADAPTER *ioc = hd->ioc;
1526 unsigned long timeleft;
1527 u8 issue_hard_reset;
1528 u32 ioc_raw_state;
1529 unsigned long time_count;
1530
1531 issue_hard_reset = 0;
1532 ioc_raw_state = mpt_GetIocState(ioc, 0);
1533
1534 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1535 printk(MYIOC_s_WARN_FMT
1536 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1537 ioc->name, type, ioc_raw_state);
1538 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1539 ioc->name, __func__);
1540 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1541 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1542 "FAILED!!\n", ioc->name);
1543 return 0;
1544 }
1545
1546 /* DOORBELL ACTIVE check is not required if
1547 * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported.
1548 */
1549
1550 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
1551 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
1552 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
1553 printk(MYIOC_s_WARN_FMT
1554 "TaskMgmt type=%x: ioc_state: "
1555 "DOORBELL_ACTIVE (0x%x)!\n",
1556 ioc->name, type, ioc_raw_state);
1557 return FAILED;
1558 }
1559
1560 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1561 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1562 mf = NULL;
1563 retval = FAILED;
1564 goto out;
1565 }
1566
1567 /* Return Fail to calling function if no message frames available.
1568 */
1569 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1570 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1571 "TaskMgmt no msg frames!!\n", ioc->name));
1572 retval = FAILED;
1573 mpt_clear_taskmgmt_in_progress_flag(ioc);
1574 goto out;
1575 }
1576 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1577 ioc->name, mf));
1578
1579 /* Format the Request
1580 */
1581 pScsiTm = (SCSITaskMgmt_t *) mf;
1582 pScsiTm->TargetID = id;
1583 pScsiTm->Bus = channel;
1584 pScsiTm->ChainOffset = 0;
1585 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1586
1587 pScsiTm->Reserved = 0;
1588 pScsiTm->TaskType = type;
1589 pScsiTm->Reserved1 = 0;
1590 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1591 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1592
1593 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1594
1595 for (ii=0; ii < 7; ii++)
1596 pScsiTm->Reserved2[ii] = 0;
1597
1598 pScsiTm->TaskMsgContext = ctx2abort;
1599
1600 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1601 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1602 type, timeout));
1603
1604 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1605
1606 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1607 time_count = jiffies;
1608 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1609 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1610 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1611 else {
1612 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1613 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1614 if (retval) {
1615 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1616 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1617 ioc->name, mf, retval));
1618 mpt_free_msg_frame(ioc, mf);
1619 mpt_clear_taskmgmt_in_progress_flag(ioc);
1620 goto out;
1621 }
1622 }
1623
1624 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1625 timeout*HZ);
1626 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1627 retval = FAILED;
1628 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1629 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1630 mpt_clear_taskmgmt_in_progress_flag(ioc);
1631 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1632 goto out;
1633 issue_hard_reset = 1;
1634 goto out;
1635 }
1636
1637 retval = mptscsih_taskmgmt_reply(ioc, type,
1638 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1639
1640 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1641 "TaskMgmt completed (%d seconds)\n",
1642 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1643
1644 out:
1645
1646 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1647 if (issue_hard_reset) {
1648 printk(MYIOC_s_WARN_FMT
1649 "Issuing Reset from %s!! doorbell=0x%08x\n",
1650 ioc->name, __func__, mpt_GetIocState(ioc, 0));
1651 retval = (ioc->bus_type == SAS) ?
1652 mpt_HardResetHandler(ioc, CAN_SLEEP) :
1653 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1654 mpt_free_msg_frame(ioc, mf);
1655 }
1656
1657 retval = (retval == 0) ? 0 : FAILED;
1658 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1659 return retval;
1660 }
1661 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1662
1663 static int
1664 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1665 {
1666 switch (ioc->bus_type) {
1667 case FC:
1668 return 40;
1669 case SAS:
1670 return 30;
1671 case SPI:
1672 default:
1673 return 10;
1674 }
1675 }
1676
1677 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1678 /**
1679 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1680 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1681 *
1682 * (linux scsi_host_template.eh_abort_handler routine)
1683 *
1684 * Returns SUCCESS or FAILED.
1685 **/
1686 int
1687 mptscsih_abort(struct scsi_cmnd * SCpnt)
1688 {
1689 MPT_SCSI_HOST *hd;
1690 MPT_FRAME_HDR *mf;
1691 u32 ctx2abort;
1692 int scpnt_idx;
1693 int retval;
1694 VirtDevice *vdevice;
1695 MPT_ADAPTER *ioc;
1696
1697 /* If we can't locate our host adapter structure, return FAILED status.
1698 */
1699 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1700 SCpnt->result = DID_RESET << 16;
1701 SCpnt->scsi_done(SCpnt);
1702 printk(KERN_ERR MYNAM ": task abort: "
1703 "can't locate host! (sc=%p)\n", SCpnt);
1704 return FAILED;
1705 }
1706
1707 ioc = hd->ioc;
1708 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1709 ioc->name, SCpnt);
1710 scsi_print_command(SCpnt);
1711
1712 vdevice = SCpnt->device->hostdata;
1713 if (!vdevice || !vdevice->vtarget) {
1714 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1715 "task abort: device has been deleted (sc=%p)\n",
1716 ioc->name, SCpnt));
1717 SCpnt->result = DID_NO_CONNECT << 16;
1718 SCpnt->scsi_done(SCpnt);
1719 retval = SUCCESS;
1720 goto out;
1721 }
1722
1723 /* Task aborts are not supported for hidden raid components.
1724 */
1725 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1726 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1727 "task abort: hidden raid component (sc=%p)\n",
1728 ioc->name, SCpnt));
1729 SCpnt->result = DID_RESET << 16;
1730 retval = FAILED;
1731 goto out;
1732 }
1733
1734 /* Task aborts are not supported for volumes.
1735 */
1736 if (vdevice->vtarget->raidVolume) {
1737 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1738 "task abort: raid volume (sc=%p)\n",
1739 ioc->name, SCpnt));
1740 SCpnt->result = DID_RESET << 16;
1741 retval = FAILED;
1742 goto out;
1743 }
1744
1745 /* Find this command
1746 */
1747 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1748 /* Cmd not found in ScsiLookup.
1749 * Do OS callback.
1750 */
1751 SCpnt->result = DID_RESET << 16;
1752 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1753 "Command not in the active list! (sc=%p)\n", ioc->name,
1754 SCpnt));
1755 retval = SUCCESS;
1756 goto out;
1757 }
1758
1759 if (ioc->timeouts < -1)
1760 ioc->timeouts++;
1761
1762 if (mpt_fwfault_debug)
1763 mpt_halt_firmware(ioc);
1764
1765 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1766 * (the IO to be ABORT'd)
1767 *
1768 * NOTE: Since we do not byteswap MsgContext, we do not
1769 * swap it here either. It is an opaque cookie to
1770 * the controller, so it does not matter. -DaveM
1771 */
1772 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1773 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1774 retval = mptscsih_IssueTaskMgmt(hd,
1775 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1776 vdevice->vtarget->channel,
1777 vdevice->vtarget->id, vdevice->lun,
1778 ctx2abort, mptscsih_get_tm_timeout(ioc));
1779
1780 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
1781 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1782 "task abort: command still in active list! (sc=%p)\n",
1783 ioc->name, SCpnt));
1784 retval = FAILED;
1785 } else {
1786 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1787 "task abort: command cleared from active list! (sc=%p)\n",
1788 ioc->name, SCpnt));
1789 retval = SUCCESS;
1790 }
1791
1792 out:
1793 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
1794 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1795 SCpnt);
1796
1797 return retval;
1798 }
1799
1800 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1801 /**
1802 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1803 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1804 *
1805 * (linux scsi_host_template.eh_dev_reset_handler routine)
1806 *
1807 * Returns SUCCESS or FAILED.
1808 **/
1809 int
1810 mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1811 {
1812 MPT_SCSI_HOST *hd;
1813 int retval;
1814 VirtDevice *vdevice;
1815 MPT_ADAPTER *ioc;
1816
1817 /* If we can't locate our host adapter structure, return FAILED status.
1818 */
1819 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1820 printk(KERN_ERR MYNAM ": target reset: "
1821 "Can't locate host! (sc=%p)\n", SCpnt);
1822 return FAILED;
1823 }
1824
1825 ioc = hd->ioc;
1826 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1827 ioc->name, SCpnt);
1828 scsi_print_command(SCpnt);
1829
1830 vdevice = SCpnt->device->hostdata;
1831 if (!vdevice || !vdevice->vtarget) {
1832 retval = 0;
1833 goto out;
1834 }
1835
1836 /* Target reset to hidden raid component is not supported
1837 */
1838 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1839 retval = FAILED;
1840 goto out;
1841 }
1842
1843 retval = mptscsih_IssueTaskMgmt(hd,
1844 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1845 vdevice->vtarget->channel,
1846 vdevice->vtarget->id, 0, 0,
1847 mptscsih_get_tm_timeout(ioc));
1848
1849 out:
1850 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1851 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1852
1853 if (retval == 0)
1854 return SUCCESS;
1855 else
1856 return FAILED;
1857 }
1858
1859
1860 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1861 /**
1862 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1863 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1864 *
1865 * (linux scsi_host_template.eh_bus_reset_handler routine)
1866 *
1867 * Returns SUCCESS or FAILED.
1868 **/
1869 int
1870 mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1871 {
1872 MPT_SCSI_HOST *hd;
1873 int retval;
1874 VirtDevice *vdevice;
1875 MPT_ADAPTER *ioc;
1876
1877 /* If we can't locate our host adapter structure, return FAILED status.
1878 */
1879 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1880 printk(KERN_ERR MYNAM ": bus reset: "
1881 "Can't locate host! (sc=%p)\n", SCpnt);
1882 return FAILED;
1883 }
1884
1885 ioc = hd->ioc;
1886 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1887 ioc->name, SCpnt);
1888 scsi_print_command(SCpnt);
1889
1890 if (ioc->timeouts < -1)
1891 ioc->timeouts++;
1892
1893 vdevice = SCpnt->device->hostdata;
1894 if (!vdevice || !vdevice->vtarget)
1895 return SUCCESS;
1896 retval = mptscsih_IssueTaskMgmt(hd,
1897 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1898 vdevice->vtarget->channel, 0, 0, 0,
1899 mptscsih_get_tm_timeout(ioc));
1900
1901 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1902 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1903
1904 if (retval == 0)
1905 return SUCCESS;
1906 else
1907 return FAILED;
1908 }
1909
1910 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1911 /**
1912 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1913 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1914 *
1915 * (linux scsi_host_template.eh_host_reset_handler routine)
1916 *
1917 * Returns SUCCESS or FAILED.
1918 */
1919 int
1920 mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1921 {
1922 MPT_SCSI_HOST * hd;
1923 int status = SUCCESS;
1924 MPT_ADAPTER *ioc;
1925 int retval;
1926
1927 /* If we can't locate the host to reset, then we failed. */
1928 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1929 printk(KERN_ERR MYNAM ": host reset: "
1930 "Can't locate host! (sc=%p)\n", SCpnt);
1931 return FAILED;
1932 }
1933
1934 /* make sure we have no outstanding commands at this stage */
1935 mptscsih_flush_running_cmds(hd);
1936
1937 ioc = hd->ioc;
1938 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1939 ioc->name, SCpnt);
1940
1941 /* If our attempts to reset the host failed, then return a failed
1942 * status. The host will be taken off line by the SCSI mid-layer.
1943 */
1944 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1945 if (retval < 0)
1946 status = FAILED;
1947 else
1948 status = SUCCESS;
1949
1950 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1951 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1952
1953 return status;
1954 }
1955
1956 static int
1957 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
1958 SCSITaskMgmtReply_t *pScsiTmReply)
1959 {
1960 u16 iocstatus;
1961 u32 termination_count;
1962 int retval;
1963
1964 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
1965 retval = FAILED;
1966 goto out;
1967 }
1968
1969 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
1970
1971 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
1972 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
1973
1974 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1975 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
1976 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
1977 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
1978 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
1979 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
1980 termination_count));
1981
1982 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
1983 pScsiTmReply->ResponseCode)
1984 mptscsih_taskmgmt_response_code(ioc,
1985 pScsiTmReply->ResponseCode);
1986
1987 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
1988 retval = 0;
1989 goto out;
1990 }
1991
1992 retval = FAILED;
1993 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
1994 if (termination_count == 1)
1995 retval = 0;
1996 goto out;
1997 }
1998
1999 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
2000 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2001 retval = 0;
2002
2003 out:
2004 return retval;
2005 }
2006
2007 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2008 void
2009 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2010 {
2011 char *desc;
2012
2013 switch (response_code) {
2014 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2015 desc = "The task completed.";
2016 break;
2017 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2018 desc = "The IOC received an invalid frame status.";
2019 break;
2020 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2021 desc = "The task type is not supported.";
2022 break;
2023 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2024 desc = "The requested task failed.";
2025 break;
2026 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2027 desc = "The task completed successfully.";
2028 break;
2029 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2030 desc = "The LUN request is invalid.";
2031 break;
2032 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2033 desc = "The task is in the IOC queue and has not been sent to target.";
2034 break;
2035 default:
2036 desc = "unknown";
2037 break;
2038 }
2039 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2040 ioc->name, response_code, desc);
2041 }
2042 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2043
2044 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2045 /**
2046 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2047 * @ioc: Pointer to MPT_ADAPTER structure
2048 * @mf: Pointer to SCSI task mgmt request frame
2049 * @mr: Pointer to SCSI task mgmt reply frame
2050 *
2051 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2052 * of any SCSI task management request.
2053 * This routine is registered with the MPT (base) driver at driver
2054 * load/init time via the mpt_register() API call.
2055 *
2056 * Returns 1 indicating alloc'd request frame ptr should be freed.
2057 **/
2058 int
2059 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2060 MPT_FRAME_HDR *mr)
2061 {
2062 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2063 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2064
2065 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2066
2067 if (!mr)
2068 goto out;
2069
2070 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2071 memcpy(ioc->taskmgmt_cmds.reply, mr,
2072 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2073 out:
2074 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2075 mpt_clear_taskmgmt_in_progress_flag(ioc);
2076 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2077 complete(&ioc->taskmgmt_cmds.done);
2078 if (ioc->bus_type == SAS)
2079 ioc->schedule_target_reset(ioc);
2080 return 1;
2081 }
2082 return 0;
2083 }
2084
2085 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2086 /*
2087 * This is anyones guess quite frankly.
2088 */
2089 int
2090 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2091 sector_t capacity, int geom[])
2092 {
2093 int heads;
2094 int sectors;
2095 sector_t cylinders;
2096 ulong dummy;
2097
2098 heads = 64;
2099 sectors = 32;
2100
2101 dummy = heads * sectors;
2102 cylinders = capacity;
2103 sector_div(cylinders,dummy);
2104
2105 /*
2106 * Handle extended translation size for logical drives
2107 * > 1Gb
2108 */
2109 if ((ulong)capacity >= 0x200000) {
2110 heads = 255;
2111 sectors = 63;
2112 dummy = heads * sectors;
2113 cylinders = capacity;
2114 sector_div(cylinders,dummy);
2115 }
2116
2117 /* return result */
2118 geom[0] = heads;
2119 geom[1] = sectors;
2120 geom[2] = cylinders;
2121
2122 return 0;
2123 }
2124
2125 /* Search IOC page 3 to determine if this is hidden physical disk
2126 *
2127 */
2128 int
2129 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2130 {
2131 struct inactive_raid_component_info *component_info;
2132 int i, j;
2133 RaidPhysDiskPage1_t *phys_disk;
2134 int rc = 0;
2135 int num_paths;
2136
2137 if (!ioc->raid_data.pIocPg3)
2138 goto out;
2139 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2140 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2141 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2142 rc = 1;
2143 goto out;
2144 }
2145 }
2146
2147 if (ioc->bus_type != SAS)
2148 goto out;
2149
2150 /*
2151 * Check if dual path
2152 */
2153 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2154 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2155 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2156 if (num_paths < 2)
2157 continue;
2158 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2159 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2160 if (!phys_disk)
2161 continue;
2162 if ((mpt_raid_phys_disk_pg1(ioc,
2163 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2164 phys_disk))) {
2165 kfree(phys_disk);
2166 continue;
2167 }
2168 for (j = 0; j < num_paths; j++) {
2169 if ((phys_disk->Path[j].Flags &
2170 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2171 continue;
2172 if ((phys_disk->Path[j].Flags &
2173 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2174 continue;
2175 if ((id == phys_disk->Path[j].PhysDiskID) &&
2176 (channel == phys_disk->Path[j].PhysDiskBus)) {
2177 rc = 1;
2178 kfree(phys_disk);
2179 goto out;
2180 }
2181 }
2182 kfree(phys_disk);
2183 }
2184
2185
2186 /*
2187 * Check inactive list for matching phys disks
2188 */
2189 if (list_empty(&ioc->raid_data.inactive_list))
2190 goto out;
2191
2192 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2193 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2194 list) {
2195 if ((component_info->d.PhysDiskID == id) &&
2196 (component_info->d.PhysDiskBus == channel))
2197 rc = 1;
2198 }
2199 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2200
2201 out:
2202 return rc;
2203 }
2204 EXPORT_SYMBOL(mptscsih_is_phys_disk);
2205
2206 u8
2207 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2208 {
2209 struct inactive_raid_component_info *component_info;
2210 int i, j;
2211 RaidPhysDiskPage1_t *phys_disk;
2212 int rc = -ENXIO;
2213 int num_paths;
2214
2215 if (!ioc->raid_data.pIocPg3)
2216 goto out;
2217 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2218 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2219 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2220 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2221 goto out;
2222 }
2223 }
2224
2225 if (ioc->bus_type != SAS)
2226 goto out;
2227
2228 /*
2229 * Check if dual path
2230 */
2231 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2232 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2233 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2234 if (num_paths < 2)
2235 continue;
2236 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2237 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2238 if (!phys_disk)
2239 continue;
2240 if ((mpt_raid_phys_disk_pg1(ioc,
2241 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2242 phys_disk))) {
2243 kfree(phys_disk);
2244 continue;
2245 }
2246 for (j = 0; j < num_paths; j++) {
2247 if ((phys_disk->Path[j].Flags &
2248 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2249 continue;
2250 if ((phys_disk->Path[j].Flags &
2251 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2252 continue;
2253 if ((id == phys_disk->Path[j].PhysDiskID) &&
2254 (channel == phys_disk->Path[j].PhysDiskBus)) {
2255 rc = phys_disk->PhysDiskNum;
2256 kfree(phys_disk);
2257 goto out;
2258 }
2259 }
2260 kfree(phys_disk);
2261 }
2262
2263 /*
2264 * Check inactive list for matching phys disks
2265 */
2266 if (list_empty(&ioc->raid_data.inactive_list))
2267 goto out;
2268
2269 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2270 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2271 list) {
2272 if ((component_info->d.PhysDiskID == id) &&
2273 (component_info->d.PhysDiskBus == channel))
2274 rc = component_info->d.PhysDiskNum;
2275 }
2276 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2277
2278 out:
2279 return rc;
2280 }
2281 EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2282
2283 /*
2284 * OS entry point to allow for host driver to free allocated memory
2285 * Called if no device present or device being unloaded
2286 */
2287 void
2288 mptscsih_slave_destroy(struct scsi_device *sdev)
2289 {
2290 struct Scsi_Host *host = sdev->host;
2291 MPT_SCSI_HOST *hd = shost_priv(host);
2292 VirtTarget *vtarget;
2293 VirtDevice *vdevice;
2294 struct scsi_target *starget;
2295
2296 starget = scsi_target(sdev);
2297 vtarget = starget->hostdata;
2298 vdevice = sdev->hostdata;
2299 if (!vdevice)
2300 return;
2301
2302 mptscsih_search_running_cmds(hd, vdevice);
2303 vtarget->num_luns--;
2304 mptscsih_synchronize_cache(hd, vdevice);
2305 kfree(vdevice);
2306 sdev->hostdata = NULL;
2307 }
2308
2309 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2310 /*
2311 * mptscsih_change_queue_depth - This function will set a devices queue depth
2312 * @sdev: per scsi_device pointer
2313 * @qdepth: requested queue depth
2314 *
2315 * Adding support for new 'change_queue_depth' api.
2316 */
2317 int
2318 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
2319 {
2320 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2321 VirtTarget *vtarget;
2322 struct scsi_target *starget;
2323 int max_depth;
2324 MPT_ADAPTER *ioc = hd->ioc;
2325
2326 starget = scsi_target(sdev);
2327 vtarget = starget->hostdata;
2328
2329 if (ioc->bus_type == SPI) {
2330 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2331 max_depth = 1;
2332 else if (sdev->type == TYPE_DISK &&
2333 vtarget->minSyncFactor <= MPT_ULTRA160)
2334 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2335 else
2336 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2337 } else
2338 max_depth = ioc->sh->can_queue;
2339
2340 if (!sdev->tagged_supported)
2341 max_depth = 1;
2342
2343 if (qdepth > max_depth)
2344 qdepth = max_depth;
2345
2346 return scsi_change_queue_depth(sdev, qdepth);
2347 }
2348
2349 /*
2350 * OS entry point to adjust the queue_depths on a per-device basis.
2351 * Called once per device the bus scan. Use it to force the queue_depth
2352 * member to 1 if a device does not support Q tags.
2353 * Return non-zero if fails.
2354 */
2355 int
2356 mptscsih_slave_configure(struct scsi_device *sdev)
2357 {
2358 struct Scsi_Host *sh = sdev->host;
2359 VirtTarget *vtarget;
2360 VirtDevice *vdevice;
2361 struct scsi_target *starget;
2362 MPT_SCSI_HOST *hd = shost_priv(sh);
2363 MPT_ADAPTER *ioc = hd->ioc;
2364
2365 starget = scsi_target(sdev);
2366 vtarget = starget->hostdata;
2367 vdevice = sdev->hostdata;
2368
2369 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2370 "device @ %p, channel=%d, id=%d, lun=%llu\n",
2371 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2372 if (ioc->bus_type == SPI)
2373 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2374 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2375 ioc->name, sdev->sdtr, sdev->wdtr,
2376 sdev->ppr, sdev->inquiry_len));
2377
2378 vdevice->configured_lun = 1;
2379
2380 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2381 "Queue depth=%d, tflags=%x\n",
2382 ioc->name, sdev->queue_depth, vtarget->tflags));
2383
2384 if (ioc->bus_type == SPI)
2385 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2386 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2387 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2388 vtarget->minSyncFactor));
2389
2390 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
2391 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2392 "tagged %d, simple %d\n",
2393 ioc->name,sdev->tagged_supported, sdev->simple_tags));
2394
2395 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2396
2397 return 0;
2398 }
2399
2400 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2401 /*
2402 * Private routines...
2403 */
2404
2405 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2406 /* Utility function to copy sense data from the scsi_cmnd buffer
2407 * to the FC and SCSI target structures.
2408 *
2409 */
2410 static void
2411 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2412 {
2413 VirtDevice *vdevice;
2414 SCSIIORequest_t *pReq;
2415 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2416 MPT_ADAPTER *ioc = hd->ioc;
2417
2418 /* Get target structure
2419 */
2420 pReq = (SCSIIORequest_t *) mf;
2421 vdevice = sc->device->hostdata;
2422
2423 if (sense_count) {
2424 u8 *sense_data;
2425 int req_index;
2426
2427 /* Copy the sense received into the scsi command block. */
2428 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2429 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2430 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2431
2432 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2433 */
2434 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2435 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2436 int idx;
2437
2438 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2439 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2440 ioc->events[idx].eventContext = ioc->eventContext;
2441
2442 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2443 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2444 (sc->device->channel << 8) | sc->device->id;
2445
2446 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2447
2448 ioc->eventContext++;
2449 if (ioc->pcidev->vendor ==
2450 PCI_VENDOR_ID_IBM) {
2451 mptscsih_issue_sep_command(ioc,
2452 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2453 vdevice->vtarget->tflags |=
2454 MPT_TARGET_FLAGS_LED_ON;
2455 }
2456 }
2457 }
2458 } else {
2459 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2460 ioc->name));
2461 }
2462 }
2463
2464 /**
2465 * mptscsih_get_scsi_lookup - retrieves scmd entry
2466 * @ioc: Pointer to MPT_ADAPTER structure
2467 * @i: index into the array
2468 *
2469 * Returns the scsi_cmd pointer
2470 */
2471 struct scsi_cmnd *
2472 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2473 {
2474 unsigned long flags;
2475 struct scsi_cmnd *scmd;
2476
2477 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2478 scmd = ioc->ScsiLookup[i];
2479 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2480
2481 return scmd;
2482 }
2483 EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2484
2485 /**
2486 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2487 * @ioc: Pointer to MPT_ADAPTER structure
2488 * @i: index into the array
2489 *
2490 * Returns the scsi_cmd pointer
2491 *
2492 **/
2493 static struct scsi_cmnd *
2494 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2495 {
2496 unsigned long flags;
2497 struct scsi_cmnd *scmd;
2498
2499 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2500 scmd = ioc->ScsiLookup[i];
2501 ioc->ScsiLookup[i] = NULL;
2502 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2503
2504 return scmd;
2505 }
2506
2507 /**
2508 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
2509 *
2510 * @ioc: Pointer to MPT_ADAPTER structure
2511 * @i: index into the array
2512 * @scmd: scsi_cmnd pointer
2513 *
2514 **/
2515 static void
2516 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2517 {
2518 unsigned long flags;
2519
2520 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2521 ioc->ScsiLookup[i] = scmd;
2522 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2523 }
2524
2525 /**
2526 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2527 * @ioc: Pointer to MPT_ADAPTER structure
2528 * @sc: scsi_cmnd pointer
2529 */
2530 static int
2531 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2532 {
2533 unsigned long flags;
2534 int i, index=-1;
2535
2536 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2537 for (i = 0; i < ioc->req_depth; i++) {
2538 if (ioc->ScsiLookup[i] == sc) {
2539 index = i;
2540 goto out;
2541 }
2542 }
2543
2544 out:
2545 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2546 return index;
2547 }
2548
2549 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2550 int
2551 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2552 {
2553 MPT_SCSI_HOST *hd;
2554
2555 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2556 return 0;
2557
2558 hd = shost_priv(ioc->sh);
2559 switch (reset_phase) {
2560 case MPT_IOC_SETUP_RESET:
2561 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2562 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2563 break;
2564 case MPT_IOC_PRE_RESET:
2565 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2566 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2567 mptscsih_flush_running_cmds(hd);
2568 break;
2569 case MPT_IOC_POST_RESET:
2570 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2571 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2572 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2573 ioc->internal_cmds.status |=
2574 MPT_MGMT_STATUS_DID_IOCRESET;
2575 complete(&ioc->internal_cmds.done);
2576 }
2577 break;
2578 default:
2579 break;
2580 }
2581 return 1; /* currently means nothing really */
2582 }
2583
2584 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2585 int
2586 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2587 {
2588 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2589
2590 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2591 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2592 ioc->name, event));
2593
2594 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2595 event == MPI_EVENT_EXT_BUS_RESET) &&
2596 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2597 ioc->soft_resets++;
2598
2599 return 1; /* currently means nothing really */
2600 }
2601
2602 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2603 /*
2604 * Bus Scan and Domain Validation functionality ...
2605 */
2606
2607 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2608 /*
2609 * mptscsih_scandv_complete - Scan and DV callback routine registered
2610 * to Fustion MPT (base) driver.
2611 *
2612 * @ioc: Pointer to MPT_ADAPTER structure
2613 * @mf: Pointer to original MPT request frame
2614 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2615 *
2616 * This routine is called from mpt.c::mpt_interrupt() at the completion
2617 * of any SCSI IO request.
2618 * This routine is registered with the Fusion MPT (base) driver at driver
2619 * load/init time via the mpt_register() API call.
2620 *
2621 * Returns 1 indicating alloc'd request frame ptr should be freed.
2622 *
2623 * Remark: Sets a completion code and (possibly) saves sense data
2624 * in the IOC member localReply structure.
2625 * Used ONLY for DV and other internal commands.
2626 */
2627 int
2628 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2629 MPT_FRAME_HDR *reply)
2630 {
2631 SCSIIORequest_t *pReq;
2632 SCSIIOReply_t *pReply;
2633 u8 cmd;
2634 u16 req_idx;
2635 u8 *sense_data;
2636 int sz;
2637
2638 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2639 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2640 if (!reply)
2641 goto out;
2642
2643 pReply = (SCSIIOReply_t *) reply;
2644 pReq = (SCSIIORequest_t *) req;
2645 ioc->internal_cmds.completion_code =
2646 mptscsih_get_completion_code(ioc, req, reply);
2647 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2648 memcpy(ioc->internal_cmds.reply, reply,
2649 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2650 cmd = reply->u.hdr.Function;
2651 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2652 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2653 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2654 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2655 sense_data = ((u8 *)ioc->sense_buf_pool +
2656 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2657 sz = min_t(int, pReq->SenseBufferLength,
2658 MPT_SENSE_BUFFER_ALLOC);
2659 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2660 }
2661 out:
2662 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2663 return 0;
2664 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2665 complete(&ioc->internal_cmds.done);
2666 return 1;
2667 }
2668
2669
2670 /**
2671 * mptscsih_get_completion_code - get completion code from MPT request
2672 * @ioc: Pointer to MPT_ADAPTER structure
2673 * @req: Pointer to original MPT request frame
2674 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
2675 *
2676 **/
2677 static int
2678 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2679 MPT_FRAME_HDR *reply)
2680 {
2681 SCSIIOReply_t *pReply;
2682 MpiRaidActionReply_t *pr;
2683 u8 scsi_status;
2684 u16 status;
2685 int completion_code;
2686
2687 pReply = (SCSIIOReply_t *)reply;
2688 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2689 scsi_status = pReply->SCSIStatus;
2690
2691 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2692 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2693 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2694 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2695
2696 switch (status) {
2697
2698 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2699 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2700 break;
2701
2702 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2703 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2704 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2705 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2706 completion_code = MPT_SCANDV_DID_RESET;
2707 break;
2708
2709 case MPI_IOCSTATUS_BUSY:
2710 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2711 completion_code = MPT_SCANDV_BUSY;
2712 break;
2713
2714 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2715 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2716 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2717 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2718 completion_code = MPT_SCANDV_GOOD;
2719 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2720 pr = (MpiRaidActionReply_t *)reply;
2721 if (le16_to_cpu(pr->ActionStatus) ==
2722 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2723 completion_code = MPT_SCANDV_GOOD;
2724 else
2725 completion_code = MPT_SCANDV_SOME_ERROR;
2726 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2727 completion_code = MPT_SCANDV_SENSE;
2728 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2729 if (req->u.scsireq.CDB[0] == INQUIRY)
2730 completion_code = MPT_SCANDV_ISSUE_SENSE;
2731 else
2732 completion_code = MPT_SCANDV_DID_RESET;
2733 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2734 completion_code = MPT_SCANDV_DID_RESET;
2735 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2736 completion_code = MPT_SCANDV_DID_RESET;
2737 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2738 completion_code = MPT_SCANDV_BUSY;
2739 else
2740 completion_code = MPT_SCANDV_GOOD;
2741 break;
2742
2743 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2744 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2745 completion_code = MPT_SCANDV_DID_RESET;
2746 else
2747 completion_code = MPT_SCANDV_SOME_ERROR;
2748 break;
2749 default:
2750 completion_code = MPT_SCANDV_SOME_ERROR;
2751 break;
2752
2753 } /* switch(status) */
2754
2755 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2756 " completionCode set to %08xh\n", ioc->name, completion_code));
2757 return completion_code;
2758 }
2759
2760 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2761 /**
2762 * mptscsih_do_cmd - Do internal command.
2763 * @hd: MPT_SCSI_HOST pointer
2764 * @io: INTERNAL_CMD pointer.
2765 *
2766 * Issue the specified internally generated command and do command
2767 * specific cleanup. For bus scan / DV only.
2768 * NOTES: If command is Inquiry and status is good,
2769 * initialize a target structure, save the data
2770 *
2771 * Remark: Single threaded access only.
2772 *
2773 * Return:
2774 * < 0 if an illegal command or no resources
2775 *
2776 * 0 if good
2777 *
2778 * > 0 if command complete but some type of completion error.
2779 */
2780 static int
2781 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2782 {
2783 MPT_FRAME_HDR *mf;
2784 SCSIIORequest_t *pScsiReq;
2785 int my_idx, ii, dir;
2786 int timeout;
2787 char cmdLen;
2788 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2789 u8 cmd = io->cmd;
2790 MPT_ADAPTER *ioc = hd->ioc;
2791 int ret = 0;
2792 unsigned long timeleft;
2793 unsigned long flags;
2794
2795 /* don't send internal command during diag reset */
2796 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2797 if (ioc->ioc_reset_in_progress) {
2798 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2799 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2800 "%s: busy with host reset\n", ioc->name, __func__));
2801 return MPT_SCANDV_BUSY;
2802 }
2803 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2804
2805 mutex_lock(&ioc->internal_cmds.mutex);
2806
2807 /* Set command specific information
2808 */
2809 switch (cmd) {
2810 case INQUIRY:
2811 cmdLen = 6;
2812 dir = MPI_SCSIIO_CONTROL_READ;
2813 CDB[0] = cmd;
2814 CDB[4] = io->size;
2815 timeout = 10;
2816 break;
2817
2818 case TEST_UNIT_READY:
2819 cmdLen = 6;
2820 dir = MPI_SCSIIO_CONTROL_READ;
2821 timeout = 10;
2822 break;
2823
2824 case START_STOP:
2825 cmdLen = 6;
2826 dir = MPI_SCSIIO_CONTROL_READ;
2827 CDB[0] = cmd;
2828 CDB[4] = 1; /*Spin up the disk */
2829 timeout = 15;
2830 break;
2831
2832 case REQUEST_SENSE:
2833 cmdLen = 6;
2834 CDB[0] = cmd;
2835 CDB[4] = io->size;
2836 dir = MPI_SCSIIO_CONTROL_READ;
2837 timeout = 10;
2838 break;
2839
2840 case READ_BUFFER:
2841 cmdLen = 10;
2842 dir = MPI_SCSIIO_CONTROL_READ;
2843 CDB[0] = cmd;
2844 if (io->flags & MPT_ICFLAG_ECHO) {
2845 CDB[1] = 0x0A;
2846 } else {
2847 CDB[1] = 0x02;
2848 }
2849
2850 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2851 CDB[1] |= 0x01;
2852 }
2853 CDB[6] = (io->size >> 16) & 0xFF;
2854 CDB[7] = (io->size >> 8) & 0xFF;
2855 CDB[8] = io->size & 0xFF;
2856 timeout = 10;
2857 break;
2858
2859 case WRITE_BUFFER:
2860 cmdLen = 10;
2861 dir = MPI_SCSIIO_CONTROL_WRITE;
2862 CDB[0] = cmd;
2863 if (io->flags & MPT_ICFLAG_ECHO) {
2864 CDB[1] = 0x0A;
2865 } else {
2866 CDB[1] = 0x02;
2867 }
2868 CDB[6] = (io->size >> 16) & 0xFF;
2869 CDB[7] = (io->size >> 8) & 0xFF;
2870 CDB[8] = io->size & 0xFF;
2871 timeout = 10;
2872 break;
2873
2874 case RESERVE:
2875 cmdLen = 6;
2876 dir = MPI_SCSIIO_CONTROL_READ;
2877 CDB[0] = cmd;
2878 timeout = 10;
2879 break;
2880
2881 case RELEASE:
2882 cmdLen = 6;
2883 dir = MPI_SCSIIO_CONTROL_READ;
2884 CDB[0] = cmd;
2885 timeout = 10;
2886 break;
2887
2888 case SYNCHRONIZE_CACHE:
2889 cmdLen = 10;
2890 dir = MPI_SCSIIO_CONTROL_READ;
2891 CDB[0] = cmd;
2892 // CDB[1] = 0x02; /* set immediate bit */
2893 timeout = 10;
2894 break;
2895
2896 default:
2897 /* Error Case */
2898 ret = -EFAULT;
2899 goto out;
2900 }
2901
2902 /* Get and Populate a free Frame
2903 * MsgContext set in mpt_get_msg_frame call
2904 */
2905 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
2906 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2907 ioc->name, __func__));
2908 ret = MPT_SCANDV_BUSY;
2909 goto out;
2910 }
2911
2912 pScsiReq = (SCSIIORequest_t *) mf;
2913
2914 /* Get the request index */
2915 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2916 ADD_INDEX_LOG(my_idx); /* for debug */
2917
2918 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2919 pScsiReq->TargetID = io->physDiskNum;
2920 pScsiReq->Bus = 0;
2921 pScsiReq->ChainOffset = 0;
2922 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2923 } else {
2924 pScsiReq->TargetID = io->id;
2925 pScsiReq->Bus = io->channel;
2926 pScsiReq->ChainOffset = 0;
2927 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2928 }
2929
2930 pScsiReq->CDBLength = cmdLen;
2931 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2932
2933 pScsiReq->Reserved = 0;
2934
2935 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
2936 /* MsgContext set in mpt_get_msg_fram call */
2937
2938 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
2939
2940 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2941 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
2942 else
2943 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2944
2945 if (cmd == REQUEST_SENSE) {
2946 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2947 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2948 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
2949 }
2950
2951 for (ii = 0; ii < 16; ii++)
2952 pScsiReq->CDB[ii] = CDB[ii];
2953
2954 pScsiReq->DataLength = cpu_to_le32(io->size);
2955 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
2956 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
2957
2958 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2959 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n",
2960 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
2961
2962 if (dir == MPI_SCSIIO_CONTROL_READ)
2963 ioc->add_sge((char *) &pScsiReq->SGL,
2964 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
2965 else
2966 ioc->add_sge((char *) &pScsiReq->SGL,
2967 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
2968
2969 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
2970 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
2971 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
2972 timeout*HZ);
2973 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2974 ret = MPT_SCANDV_DID_RESET;
2975 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2976 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
2977 cmd));
2978 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
2979 mpt_free_msg_frame(ioc, mf);
2980 goto out;
2981 }
2982 if (!timeleft) {
2983 printk(MYIOC_s_WARN_FMT
2984 "Issuing Reset from %s!! doorbell=0x%08xh"
2985 " cmd=0x%02x\n",
2986 ioc->name, __func__, mpt_GetIocState(ioc, 0),
2987 cmd);
2988 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2989 mpt_free_msg_frame(ioc, mf);
2990 }
2991 goto out;
2992 }
2993
2994 ret = ioc->internal_cmds.completion_code;
2995 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
2996 ioc->name, __func__, ret));
2997
2998 out:
2999 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
3000 mutex_unlock(&ioc->internal_cmds.mutex);
3001 return ret;
3002 }
3003
3004 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3005 /**
3006 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3007 * @hd: Pointer to a SCSI HOST structure
3008 * @vdevice: virtual target device
3009 *
3010 * Uses the ISR, but with special processing.
3011 * MUST be single-threaded.
3012 *
3013 */
3014 static void
3015 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3016 {
3017 INTERNAL_CMD iocmd;
3018
3019 /* Ignore hidden raid components, this is handled when the command
3020 * is sent to the volume
3021 */
3022 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3023 return;
3024
3025 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3026 !vdevice->configured_lun)
3027 return;
3028
3029 /* Following parameters will not change
3030 * in this routine.
3031 */
3032 iocmd.cmd = SYNCHRONIZE_CACHE;
3033 iocmd.flags = 0;
3034 iocmd.physDiskNum = -1;
3035 iocmd.data = NULL;
3036 iocmd.data_dma = -1;
3037 iocmd.size = 0;
3038 iocmd.rsvd = iocmd.rsvd2 = 0;
3039 iocmd.channel = vdevice->vtarget->channel;
3040 iocmd.id = vdevice->vtarget->id;
3041 iocmd.lun = vdevice->lun;
3042
3043 mptscsih_do_cmd(hd, &iocmd);
3044 }
3045
3046 static ssize_t
3047 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3048 char *buf)
3049 {
3050 struct Scsi_Host *host = class_to_shost(dev);
3051 MPT_SCSI_HOST *hd = shost_priv(host);
3052 MPT_ADAPTER *ioc = hd->ioc;
3053
3054 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3055 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3056 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3057 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3058 ioc->facts.FWVersion.Word & 0x000000FF);
3059 }
3060 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3061
3062 static ssize_t
3063 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3064 char *buf)
3065 {
3066 struct Scsi_Host *host = class_to_shost(dev);
3067 MPT_SCSI_HOST *hd = shost_priv(host);
3068 MPT_ADAPTER *ioc = hd->ioc;
3069
3070 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3071 (ioc->biosVersion & 0xFF000000) >> 24,
3072 (ioc->biosVersion & 0x00FF0000) >> 16,
3073 (ioc->biosVersion & 0x0000FF00) >> 8,
3074 ioc->biosVersion & 0x000000FF);
3075 }
3076 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3077
3078 static ssize_t
3079 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3080 char *buf)
3081 {
3082 struct Scsi_Host *host = class_to_shost(dev);
3083 MPT_SCSI_HOST *hd = shost_priv(host);
3084 MPT_ADAPTER *ioc = hd->ioc;
3085
3086 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3087 }
3088 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3089
3090 static ssize_t
3091 mptscsih_version_product_show(struct device *dev,
3092 struct device_attribute *attr,
3093 char *buf)
3094 {
3095 struct Scsi_Host *host = class_to_shost(dev);
3096 MPT_SCSI_HOST *hd = shost_priv(host);
3097 MPT_ADAPTER *ioc = hd->ioc;
3098
3099 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3100 }
3101 static DEVICE_ATTR(version_product, S_IRUGO,
3102 mptscsih_version_product_show, NULL);
3103
3104 static ssize_t
3105 mptscsih_version_nvdata_persistent_show(struct device *dev,
3106 struct device_attribute *attr,
3107 char *buf)
3108 {
3109 struct Scsi_Host *host = class_to_shost(dev);
3110 MPT_SCSI_HOST *hd = shost_priv(host);
3111 MPT_ADAPTER *ioc = hd->ioc;
3112
3113 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3114 ioc->nvdata_version_persistent);
3115 }
3116 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3117 mptscsih_version_nvdata_persistent_show, NULL);
3118
3119 static ssize_t
3120 mptscsih_version_nvdata_default_show(struct device *dev,
3121 struct device_attribute *attr, char *buf)
3122 {
3123 struct Scsi_Host *host = class_to_shost(dev);
3124 MPT_SCSI_HOST *hd = shost_priv(host);
3125 MPT_ADAPTER *ioc = hd->ioc;
3126
3127 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3128 }
3129 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3130 mptscsih_version_nvdata_default_show, NULL);
3131
3132 static ssize_t
3133 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3134 char *buf)
3135 {
3136 struct Scsi_Host *host = class_to_shost(dev);
3137 MPT_SCSI_HOST *hd = shost_priv(host);
3138 MPT_ADAPTER *ioc = hd->ioc;
3139
3140 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3141 }
3142 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3143
3144 static ssize_t
3145 mptscsih_board_assembly_show(struct device *dev,
3146 struct device_attribute *attr, char *buf)
3147 {
3148 struct Scsi_Host *host = class_to_shost(dev);
3149 MPT_SCSI_HOST *hd = shost_priv(host);
3150 MPT_ADAPTER *ioc = hd->ioc;
3151
3152 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3153 }
3154 static DEVICE_ATTR(board_assembly, S_IRUGO,
3155 mptscsih_board_assembly_show, NULL);
3156
3157 static ssize_t
3158 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3159 char *buf)
3160 {
3161 struct Scsi_Host *host = class_to_shost(dev);
3162 MPT_SCSI_HOST *hd = shost_priv(host);
3163 MPT_ADAPTER *ioc = hd->ioc;
3164
3165 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3166 }
3167 static DEVICE_ATTR(board_tracer, S_IRUGO,
3168 mptscsih_board_tracer_show, NULL);
3169
3170 static ssize_t
3171 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3172 char *buf)
3173 {
3174 struct Scsi_Host *host = class_to_shost(dev);
3175 MPT_SCSI_HOST *hd = shost_priv(host);
3176 MPT_ADAPTER *ioc = hd->ioc;
3177
3178 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3179 }
3180 static DEVICE_ATTR(io_delay, S_IRUGO,
3181 mptscsih_io_delay_show, NULL);
3182
3183 static ssize_t
3184 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3185 char *buf)
3186 {
3187 struct Scsi_Host *host = class_to_shost(dev);
3188 MPT_SCSI_HOST *hd = shost_priv(host);
3189 MPT_ADAPTER *ioc = hd->ioc;
3190
3191 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3192 }
3193 static DEVICE_ATTR(device_delay, S_IRUGO,
3194 mptscsih_device_delay_show, NULL);
3195
3196 static ssize_t
3197 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3198 char *buf)
3199 {
3200 struct Scsi_Host *host = class_to_shost(dev);
3201 MPT_SCSI_HOST *hd = shost_priv(host);
3202 MPT_ADAPTER *ioc = hd->ioc;
3203
3204 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3205 }
3206 static ssize_t
3207 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3208 const char *buf, size_t count)
3209 {
3210 struct Scsi_Host *host = class_to_shost(dev);
3211 MPT_SCSI_HOST *hd = shost_priv(host);
3212 MPT_ADAPTER *ioc = hd->ioc;
3213 int val = 0;
3214
3215 if (sscanf(buf, "%x", &val) != 1)
3216 return -EINVAL;
3217
3218 ioc->debug_level = val;
3219 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3220 ioc->name, ioc->debug_level);
3221 return strlen(buf);
3222 }
3223 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3224 mptscsih_debug_level_show, mptscsih_debug_level_store);
3225
3226 struct device_attribute *mptscsih_host_attrs[] = {
3227 &dev_attr_version_fw,
3228 &dev_attr_version_bios,
3229 &dev_attr_version_mpi,
3230 &dev_attr_version_product,
3231 &dev_attr_version_nvdata_persistent,
3232 &dev_attr_version_nvdata_default,
3233 &dev_attr_board_name,
3234 &dev_attr_board_assembly,
3235 &dev_attr_board_tracer,
3236 &dev_attr_io_delay,
3237 &dev_attr_device_delay,
3238 &dev_attr_debug_level,
3239 NULL,
3240 };
3241
3242 EXPORT_SYMBOL(mptscsih_host_attrs);
3243
3244 EXPORT_SYMBOL(mptscsih_remove);
3245 EXPORT_SYMBOL(mptscsih_shutdown);
3246 #ifdef CONFIG_PM
3247 EXPORT_SYMBOL(mptscsih_suspend);
3248 EXPORT_SYMBOL(mptscsih_resume);
3249 #endif
3250 EXPORT_SYMBOL(mptscsih_show_info);
3251 EXPORT_SYMBOL(mptscsih_info);
3252 EXPORT_SYMBOL(mptscsih_qcmd);
3253 EXPORT_SYMBOL(mptscsih_slave_destroy);
3254 EXPORT_SYMBOL(mptscsih_slave_configure);
3255 EXPORT_SYMBOL(mptscsih_abort);
3256 EXPORT_SYMBOL(mptscsih_dev_reset);
3257 EXPORT_SYMBOL(mptscsih_bus_reset);
3258 EXPORT_SYMBOL(mptscsih_host_reset);
3259 EXPORT_SYMBOL(mptscsih_bios_param);
3260 EXPORT_SYMBOL(mptscsih_io_done);
3261 EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3262 EXPORT_SYMBOL(mptscsih_scandv_complete);
3263 EXPORT_SYMBOL(mptscsih_event_process);
3264 EXPORT_SYMBOL(mptscsih_ioc_reset);
3265 EXPORT_SYMBOL(mptscsih_change_queue_depth);
3266
3267 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Linux kernel - Deliverables
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