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initial commit with v2.6.32.60
[linux-2.6.32.60-moxart.git] / drivers / message / fusion / mptscsih.c
blobbd096ca5474d69dd4cea40a145786584fad868e9
1 /*
2 * linux/drivers/message/fusion/mptscsih.c
3 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
5 *
6 * Copyright (c) 1999-2008 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
8 *
9 */
10 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
11 /*
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; version 2 of the License.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 NO WARRANTY
22 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
23 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
24 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
25 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
26 solely responsible for determining the appropriateness of using and
27 distributing the Program and assumes all risks associated with its
28 exercise of rights under this Agreement, including but not limited to
29 the risks and costs of program errors, damage to or loss of data,
30 programs or equipment, and unavailability or interruption of operations.
31
32 DISCLAIMER OF LIABILITY
33 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
34 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
36 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
37 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
38 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
39 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
40
41 You should have received a copy of the GNU General Public License
42 along with this program; if not, write to the Free Software
43 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
44 */
45 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
46
47 #include <linux/module.h>
48 #include <linux/kernel.h>
49 #include <linux/init.h>
50 #include <linux/errno.h>
51 #include <linux/kdev_t.h>
52 #include <linux/blkdev.h>
53 #include <linux/delay.h> /* for mdelay */
54 #include <linux/interrupt.h> /* needed for in_interrupt() proto */
55 #include <linux/reboot.h> /* notifier code */
56 #include <linux/workqueue.h>
57
58 #include <scsi/scsi.h>
59 #include <scsi/scsi_cmnd.h>
60 #include <scsi/scsi_device.h>
61 #include <scsi/scsi_host.h>
62 #include <scsi/scsi_tcq.h>
63 #include <scsi/scsi_dbg.h>
64
65 #include "mptbase.h"
66 #include "mptscsih.h"
67 #include "lsi/mpi_log_sas.h"
68
69 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
70 #define my_NAME "Fusion MPT SCSI Host driver"
71 #define my_VERSION MPT_LINUX_VERSION_COMMON
72 #define MYNAM "mptscsih"
73
74 MODULE_AUTHOR(MODULEAUTHOR);
75 MODULE_DESCRIPTION(my_NAME);
76 MODULE_LICENSE("GPL");
77 MODULE_VERSION(my_VERSION);
78
79 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
80 /*
81 * Other private/forward protos...
82 */
83 struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
84 static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
85 static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
86 static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
87 int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
88 static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
89 int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
90
91 static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
92 SCSIIORequest_t *pReq, int req_idx);
93 static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
94 static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
95
96 int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
97 int lun, int ctx2abort, ulong timeout);
98
99 int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
100 int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
101
102 void
103 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
104 static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
105 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
106 int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
107 static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
108 static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
109
110 static int
111 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
112 SCSITaskMgmtReply_t *pScsiTmReply);
113 void mptscsih_remove(struct pci_dev *);
114 void mptscsih_shutdown(struct pci_dev *);
115 #ifdef CONFIG_PM
116 int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
117 int mptscsih_resume(struct pci_dev *pdev);
118 #endif
119
120 #define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE
121
122
123 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
124 /*
125 * mptscsih_getFreeChainBuffer - Function to get a free chain
126 * from the MPT_SCSI_HOST FreeChainQ.
127 * @ioc: Pointer to MPT_ADAPTER structure
128 * @req_idx: Index of the SCSI IO request frame. (output)
129 *
130 * return SUCCESS or FAILED
131 */
132 static inline int
133 mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
134 {
135 MPT_FRAME_HDR *chainBuf;
136 unsigned long flags;
137 int rc;
138 int chain_idx;
139
140 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
141 ioc->name));
142 spin_lock_irqsave(&ioc->FreeQlock, flags);
143 if (!list_empty(&ioc->FreeChainQ)) {
144 int offset;
145
146 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
147 u.frame.linkage.list);
148 list_del(&chainBuf->u.frame.linkage.list);
149 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
150 chain_idx = offset / ioc->req_sz;
151 rc = SUCCESS;
152 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
153 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
154 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
155 } else {
156 rc = FAILED;
157 chain_idx = MPT_HOST_NO_CHAIN;
158 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
159 ioc->name));
160 }
161 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
162
163 *retIndex = chain_idx;
164 return rc;
165 } /* mptscsih_getFreeChainBuffer() */
166
167 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
168 /*
169 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
170 * SCSIIORequest_t Message Frame.
171 * @ioc: Pointer to MPT_ADAPTER structure
172 * @SCpnt: Pointer to scsi_cmnd structure
173 * @pReq: Pointer to SCSIIORequest_t structure
174 *
175 * Returns ...
176 */
177 static int
178 mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
179 SCSIIORequest_t *pReq, int req_idx)
180 {
181 char *psge;
182 char *chainSge;
183 struct scatterlist *sg;
184 int frm_sz;
185 int sges_left, sg_done;
186 int chain_idx = MPT_HOST_NO_CHAIN;
187 int sgeOffset;
188 int numSgeSlots, numSgeThisFrame;
189 u32 sgflags, sgdir, thisxfer = 0;
190 int chain_dma_off = 0;
191 int newIndex;
192 int ii;
193 dma_addr_t v2;
194 u32 RequestNB;
195
196 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
197 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
198 sgdir = MPT_TRANSFER_HOST_TO_IOC;
199 } else {
200 sgdir = MPT_TRANSFER_IOC_TO_HOST;
201 }
202
203 psge = (char *) &pReq->SGL;
204 frm_sz = ioc->req_sz;
205
206 /* Map the data portion, if any.
207 * sges_left = 0 if no data transfer.
208 */
209 sges_left = scsi_dma_map(SCpnt);
210 if (sges_left < 0)
211 return FAILED;
212
213 /* Handle the SG case.
214 */
215 sg = scsi_sglist(SCpnt);
216 sg_done = 0;
217 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
218 chainSge = NULL;
219
220 /* Prior to entering this loop - the following must be set
221 * current MF: sgeOffset (bytes)
222 * chainSge (Null if original MF is not a chain buffer)
223 * sg_done (num SGE done for this MF)
224 */
225
226 nextSGEset:
227 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
228 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
229
230 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
231
232 /* Get first (num - 1) SG elements
233 * Skip any SG entries with a length of 0
234 * NOTE: at finish, sg and psge pointed to NEXT data/location positions
235 */
236 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
237 thisxfer = sg_dma_len(sg);
238 if (thisxfer == 0) {
239 /* Get next SG element from the OS */
240 sg = sg_next(sg);
241 sg_done++;
242 continue;
243 }
244
245 v2 = sg_dma_address(sg);
246 ioc->add_sge(psge, sgflags | thisxfer, v2);
247
248 /* Get next SG element from the OS */
249 sg = sg_next(sg);
250 psge += ioc->SGE_size;
251 sgeOffset += ioc->SGE_size;
252 sg_done++;
253 }
254
255 if (numSgeThisFrame == sges_left) {
256 /* Add last element, end of buffer and end of list flags.
257 */
258 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
259 MPT_SGE_FLAGS_END_OF_BUFFER |
260 MPT_SGE_FLAGS_END_OF_LIST;
261
262 /* Add last SGE and set termination flags.
263 * Note: Last SGE may have a length of 0 - which should be ok.
264 */
265 thisxfer = sg_dma_len(sg);
266
267 v2 = sg_dma_address(sg);
268 ioc->add_sge(psge, sgflags | thisxfer, v2);
269 sgeOffset += ioc->SGE_size;
270 sg_done++;
271
272 if (chainSge) {
273 /* The current buffer is a chain buffer,
274 * but there is not another one.
275 * Update the chain element
276 * Offset and Length fields.
277 */
278 ioc->add_chain((char *)chainSge, 0, sgeOffset,
279 ioc->ChainBufferDMA + chain_dma_off);
280 } else {
281 /* The current buffer is the original MF
282 * and there is no Chain buffer.
283 */
284 pReq->ChainOffset = 0;
285 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
286 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
287 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
288 ioc->RequestNB[req_idx] = RequestNB;
289 }
290 } else {
291 /* At least one chain buffer is needed.
292 * Complete the first MF
293 * - last SGE element, set the LastElement bit
294 * - set ChainOffset (words) for orig MF
295 * (OR finish previous MF chain buffer)
296 * - update MFStructPtr ChainIndex
297 * - Populate chain element
298 * Also
299 * Loop until done.
300 */
301
302 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
303 ioc->name, sg_done));
304
305 /* Set LAST_ELEMENT flag for last non-chain element
306 * in the buffer. Since psge points at the NEXT
307 * SGE element, go back one SGE element, update the flags
308 * and reset the pointer. (Note: sgflags & thisxfer are already
309 * set properly).
310 */
311 if (sg_done) {
312 u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
313 sgflags = le32_to_cpu(*ptmp);
314 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
315 *ptmp = cpu_to_le32(sgflags);
316 }
317
318 if (chainSge) {
319 /* The current buffer is a chain buffer.
320 * chainSge points to the previous Chain Element.
321 * Update its chain element Offset and Length (must
322 * include chain element size) fields.
323 * Old chain element is now complete.
324 */
325 u8 nextChain = (u8) (sgeOffset >> 2);
326 sgeOffset += ioc->SGE_size;
327 ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
328 ioc->ChainBufferDMA + chain_dma_off);
329 } else {
330 /* The original MF buffer requires a chain buffer -
331 * set the offset.
332 * Last element in this MF is a chain element.
333 */
334 pReq->ChainOffset = (u8) (sgeOffset >> 2);
335 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
336 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
337 ioc->RequestNB[req_idx] = RequestNB;
338 }
339
340 sges_left -= sg_done;
341
342
343 /* NOTE: psge points to the beginning of the chain element
344 * in current buffer. Get a chain buffer.
345 */
346 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
347 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
348 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
349 ioc->name, pReq->CDB[0], SCpnt));
350 return FAILED;
351 }
352
353 /* Update the tracking arrays.
354 * If chainSge == NULL, update ReqToChain, else ChainToChain
355 */
356 if (chainSge) {
357 ioc->ChainToChain[chain_idx] = newIndex;
358 } else {
359 ioc->ReqToChain[req_idx] = newIndex;
360 }
361 chain_idx = newIndex;
362 chain_dma_off = ioc->req_sz * chain_idx;
363
364 /* Populate the chainSGE for the current buffer.
365 * - Set chain buffer pointer to psge and fill
366 * out the Address and Flags fields.
367 */
368 chainSge = (char *) psge;
369 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
370 ioc->name, psge, req_idx));
371
372 /* Start the SGE for the next buffer
373 */
374 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
375 sgeOffset = 0;
376 sg_done = 0;
377
378 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
379 ioc->name, psge, chain_idx));
380
381 /* Start the SGE for the next buffer
382 */
383
384 goto nextSGEset;
385 }
386
387 return SUCCESS;
388 } /* mptscsih_AddSGE() */
389
390 static void
391 mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
392 U32 SlotStatus)
393 {
394 MPT_FRAME_HDR *mf;
395 SEPRequest_t *SEPMsg;
396
397 if (ioc->bus_type != SAS)
398 return;
399
400 /* Not supported for hidden raid components
401 */
402 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
403 return;
404
405 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
406 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
407 ioc->name,__func__));
408 return;
409 }
410
411 SEPMsg = (SEPRequest_t *)mf;
412 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
413 SEPMsg->Bus = vtarget->channel;
414 SEPMsg->TargetID = vtarget->id;
415 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
416 SEPMsg->SlotStatus = SlotStatus;
417 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
418 "Sending SEP cmd=%x channel=%d id=%d\n",
419 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
420 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
421 }
422
423 #ifdef CONFIG_FUSION_LOGGING
424 /**
425 * mptscsih_info_scsiio - debug print info on reply frame
426 * @ioc: Pointer to MPT_ADAPTER structure
427 * @sc: original scsi cmnd pointer
428 * @pScsiReply: Pointer to MPT reply frame
429 *
430 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
431 *
432 * Refer to lsi/mpi.h.
433 **/
434 static void
435 mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
436 {
437 char *desc = NULL;
438 char *desc1 = NULL;
439 u16 ioc_status;
440 u8 skey, asc, ascq;
441
442 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
443
444 switch (ioc_status) {
445
446 case MPI_IOCSTATUS_SUCCESS:
447 desc = "success";
448 break;
449 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
450 desc = "invalid bus";
451 break;
452 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
453 desc = "invalid target_id";
454 break;
455 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
456 desc = "device not there";
457 break;
458 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
459 desc = "data overrun";
460 break;
461 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
462 desc = "data underrun";
463 break;
464 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
465 desc = "I/O data error";
466 break;
467 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
468 desc = "protocol error";
469 break;
470 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
471 desc = "task terminated";
472 break;
473 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
474 desc = "residual mismatch";
475 break;
476 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
477 desc = "task management failed";
478 break;
479 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
480 desc = "IOC terminated";
481 break;
482 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
483 desc = "ext terminated";
484 break;
485 default:
486 desc = "";
487 break;
488 }
489
490 switch (pScsiReply->SCSIStatus)
491 {
492
493 case MPI_SCSI_STATUS_SUCCESS:
494 desc1 = "success";
495 break;
496 case MPI_SCSI_STATUS_CHECK_CONDITION:
497 desc1 = "check condition";
498 break;
499 case MPI_SCSI_STATUS_CONDITION_MET:
500 desc1 = "condition met";
501 break;
502 case MPI_SCSI_STATUS_BUSY:
503 desc1 = "busy";
504 break;
505 case MPI_SCSI_STATUS_INTERMEDIATE:
506 desc1 = "intermediate";
507 break;
508 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
509 desc1 = "intermediate condmet";
510 break;
511 case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
512 desc1 = "reservation conflict";
513 break;
514 case MPI_SCSI_STATUS_COMMAND_TERMINATED:
515 desc1 = "command terminated";
516 break;
517 case MPI_SCSI_STATUS_TASK_SET_FULL:
518 desc1 = "task set full";
519 break;
520 case MPI_SCSI_STATUS_ACA_ACTIVE:
521 desc1 = "aca active";
522 break;
523 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
524 desc1 = "fcpext device logged out";
525 break;
526 case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
527 desc1 = "fcpext no link";
528 break;
529 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
530 desc1 = "fcpext unassigned";
531 break;
532 default:
533 desc1 = "";
534 break;
535 }
536
537 scsi_print_command(sc);
538 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %d\n",
539 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
540 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
541 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
542 scsi_get_resid(sc));
543 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
544 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
545 le32_to_cpu(pScsiReply->TransferCount), sc->result);
546
547 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
548 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
549 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
550 pScsiReply->SCSIState);
551
552 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
553 skey = sc->sense_buffer[2] & 0x0F;
554 asc = sc->sense_buffer[12];
555 ascq = sc->sense_buffer[13];
556
557 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
558 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
559 }
560
561 /*
562 * Look for + dump FCP ResponseInfo[]!
563 */
564 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
565 pScsiReply->ResponseInfo)
566 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
567 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
568 }
569 #endif
570
571 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
572 /*
573 * mptscsih_io_done - Main SCSI IO callback routine registered to
574 * Fusion MPT (base) driver
575 * @ioc: Pointer to MPT_ADAPTER structure
576 * @mf: Pointer to original MPT request frame
577 * @r: Pointer to MPT reply frame (NULL if TurboReply)
578 *
579 * This routine is called from mpt.c::mpt_interrupt() at the completion
580 * of any SCSI IO request.
581 * This routine is registered with the Fusion MPT (base) driver at driver
582 * load/init time via the mpt_register() API call.
583 *
584 * Returns 1 indicating alloc'd request frame ptr should be freed.
585 */
586 int
587 mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
588 {
589 struct scsi_cmnd *sc;
590 MPT_SCSI_HOST *hd;
591 SCSIIORequest_t *pScsiReq;
592 SCSIIOReply_t *pScsiReply;
593 u16 req_idx, req_idx_MR;
594 VirtDevice *vdevice;
595 VirtTarget *vtarget;
596
597 hd = shost_priv(ioc->sh);
598 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
599 req_idx_MR = (mr != NULL) ?
600 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
601
602 /* Special case, where already freed message frame is received from
603 * Firmware. It happens with Resetting IOC.
604 * Return immediately. Do not care
605 */
606 if ((req_idx != req_idx_MR) ||
607 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
608 return 0;
609
610 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
611 if (sc == NULL) {
612 MPIHeader_t *hdr = (MPIHeader_t *)mf;
613
614 /* Remark: writeSDP1 will use the ScsiDoneCtx
615 * If a SCSI I/O cmd, device disabled by OS and
616 * completion done. Cannot touch sc struct. Just free mem.
617 */
618 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
619 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
620 ioc->name);
621
622 mptscsih_freeChainBuffers(ioc, req_idx);
623 return 1;
624 }
625
626 if ((unsigned char *)mf != sc->host_scribble) {
627 mptscsih_freeChainBuffers(ioc, req_idx);
628 return 1;
629 }
630
631 if (ioc->bus_type == SAS) {
632 VirtDevice *vdevice = sc->device->hostdata;
633
634 if (!vdevice || !vdevice->vtarget ||
635 vdevice->vtarget->deleted) {
636 sc->result = DID_NO_CONNECT << 16;
637 goto out;
638 }
639 }
640
641 sc->host_scribble = NULL;
642 sc->result = DID_OK << 16; /* Set default reply as OK */
643 pScsiReq = (SCSIIORequest_t *) mf;
644 pScsiReply = (SCSIIOReply_t *) mr;
645
646 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
647 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
648 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
649 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
650 }else{
651 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
652 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
653 ioc->name, mf, mr, sc, req_idx));
654 }
655
656 if (pScsiReply == NULL) {
657 /* special context reply handling */
658 ;
659 } else {
660 u32 xfer_cnt;
661 u16 status;
662 u8 scsi_state, scsi_status;
663 u32 log_info;
664
665 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
666 scsi_state = pScsiReply->SCSIState;
667 scsi_status = pScsiReply->SCSIStatus;
668 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
669 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
670 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
671
672 /*
673 * if we get a data underrun indication, yet no data was
674 * transferred and the SCSI status indicates that the
675 * command was never started, change the data underrun
676 * to success
677 */
678 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
679 (scsi_status == MPI_SCSI_STATUS_BUSY ||
680 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
681 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
682 status = MPI_IOCSTATUS_SUCCESS;
683 }
684
685 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
686 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
687
688 /*
689 * Look for + dump FCP ResponseInfo[]!
690 */
691 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
692 pScsiReply->ResponseInfo) {
693 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%d] "
694 "FCP_ResponseInfo=%08xh\n", ioc->name,
695 sc->device->host->host_no, sc->device->channel,
696 sc->device->id, sc->device->lun,
697 le32_to_cpu(pScsiReply->ResponseInfo));
698 }
699
700 switch(status) {
701 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
702 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
703 /* CHECKME!
704 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
705 * But not: DID_BUS_BUSY lest one risk
706 * killing interrupt handler:-(
707 */
708 sc->result = SAM_STAT_BUSY;
709 break;
710
711 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
712 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
713 sc->result = DID_BAD_TARGET << 16;
714 break;
715
716 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
717 /* Spoof to SCSI Selection Timeout! */
718 if (ioc->bus_type != FC)
719 sc->result = DID_NO_CONNECT << 16;
720 /* else fibre, just stall until rescan event */
721 else
722 sc->result = DID_REQUEUE << 16;
723
724 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
725 hd->sel_timeout[pScsiReq->TargetID]++;
726
727 vdevice = sc->device->hostdata;
728 if (!vdevice)
729 break;
730 vtarget = vdevice->vtarget;
731 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
732 mptscsih_issue_sep_command(ioc, vtarget,
733 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
734 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
735 }
736 break;
737
738 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
739 if ( ioc->bus_type == SAS ) {
740 u16 ioc_status = le16_to_cpu(pScsiReply->IOCStatus);
741 if (ioc_status & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
742 if ((log_info & SAS_LOGINFO_MASK)
743 == SAS_LOGINFO_NEXUS_LOSS) {
744 sc->result = (DID_BUS_BUSY << 16);
745 break;
746 }
747 }
748 } else if (ioc->bus_type == FC) {
749 /*
750 * The FC IOC may kill a request for variety of
751 * reasons, some of which may be recovered by a
752 * retry, some which are unlikely to be
753 * recovered. Return DID_ERROR instead of
754 * DID_RESET to permit retry of the command,
755 * just not an infinite number of them
756 */
757 sc->result = DID_ERROR << 16;
758 break;
759 }
760
761 /*
762 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
763 */
764
765 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
766 /* Linux handles an unsolicited DID_RESET better
767 * than an unsolicited DID_ABORT.
768 */
769 sc->result = DID_RESET << 16;
770
771 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
772 if (ioc->bus_type == FC)
773 sc->result = DID_ERROR << 16;
774 else
775 sc->result = DID_RESET << 16;
776 break;
777
778 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
779 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
780 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
781 sc->result=DID_SOFT_ERROR << 16;
782 else /* Sufficient data transfer occurred */
783 sc->result = (DID_OK << 16) | scsi_status;
784 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
785 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
786 ioc->name, sc->result, sc->device->channel, sc->device->id));
787 break;
788
789 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
790 /*
791 * Do upfront check for valid SenseData and give it
792 * precedence!
793 */
794 sc->result = (DID_OK << 16) | scsi_status;
795 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
796
797 /*
798 * For an Errata on LSI53C1030
799 * When the length of request data
800 * and transfer data are different
801 * with result of command (READ or VERIFY),
802 * DID_SOFT_ERROR is set.
803 */
804 if (ioc->bus_type == SPI) {
805 if (pScsiReq->CDB[0] == READ_6 ||
806 pScsiReq->CDB[0] == READ_10 ||
807 pScsiReq->CDB[0] == READ_12 ||
808 pScsiReq->CDB[0] == READ_16 ||
809 pScsiReq->CDB[0] == VERIFY ||
810 pScsiReq->CDB[0] == VERIFY_16) {
811 if (scsi_bufflen(sc) !=
812 xfer_cnt) {
813 sc->result =
814 DID_SOFT_ERROR << 16;
815 printk(KERN_WARNING "Errata"
816 "on LSI53C1030 occurred."
817 "sc->req_bufflen=0x%02x,"
818 "xfer_cnt=0x%02x\n",
819 scsi_bufflen(sc),
820 xfer_cnt);
821 }
822 }
823 }
824
825 if (xfer_cnt < sc->underflow) {
826 if (scsi_status == SAM_STAT_BUSY)
827 sc->result = SAM_STAT_BUSY;
828 else
829 sc->result = DID_SOFT_ERROR << 16;
830 }
831 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
832 /* What to do?
833 */
834 sc->result = DID_SOFT_ERROR << 16;
835 }
836 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
837 /* Not real sure here either... */
838 sc->result = DID_RESET << 16;
839 }
840 }
841
842
843 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
844 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
845 ioc->name, sc->underflow));
846 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
847 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
848
849 /* Report Queue Full
850 */
851 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
852 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
853
854 break;
855
856 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
857 scsi_set_resid(sc, 0);
858 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
859 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
860 sc->result = (DID_OK << 16) | scsi_status;
861 if (scsi_state == 0) {
862 ;
863 } else if (scsi_state &
864 MPI_SCSI_STATE_AUTOSENSE_VALID) {
865
866 /*
867 * For potential trouble on LSI53C1030.
868 * (date:2007.xx.)
869 * It is checked whether the length of
870 * request data is equal to
871 * the length of transfer and residual.
872 * MEDIUM_ERROR is set by incorrect data.
873 */
874 if ((ioc->bus_type == SPI) &&
875 (sc->sense_buffer[2] & 0x20)) {
876 u32 difftransfer;
877 difftransfer =
878 sc->sense_buffer[3] << 24 |
879 sc->sense_buffer[4] << 16 |
880 sc->sense_buffer[5] << 8 |
881 sc->sense_buffer[6];
882 if (((sc->sense_buffer[3] & 0x80) ==
883 0x80) && (scsi_bufflen(sc)
884 != xfer_cnt)) {
885 sc->sense_buffer[2] =
886 MEDIUM_ERROR;
887 sc->sense_buffer[12] = 0xff;
888 sc->sense_buffer[13] = 0xff;
889 printk(KERN_WARNING"Errata"
890 "on LSI53C1030 occurred."
891 "sc->req_bufflen=0x%02x,"
892 "xfer_cnt=0x%02x\n" ,
893 scsi_bufflen(sc),
894 xfer_cnt);
895 }
896 if (((sc->sense_buffer[3] & 0x80)
897 != 0x80) &&
898 (scsi_bufflen(sc) !=
899 xfer_cnt + difftransfer)) {
900 sc->sense_buffer[2] =
901 MEDIUM_ERROR;
902 sc->sense_buffer[12] = 0xff;
903 sc->sense_buffer[13] = 0xff;
904 printk(KERN_WARNING
905 "Errata on LSI53C1030 occurred"
906 "sc->req_bufflen=0x%02x,"
907 " xfer_cnt=0x%02x,"
908 "difftransfer=0x%02x\n",
909 scsi_bufflen(sc),
910 xfer_cnt,
911 difftransfer);
912 }
913 }
914
915 /*
916 * If running against circa 200003dd 909 MPT f/w,
917 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
918 * (QUEUE_FULL) returned from device! --> get 0x0000?128
919 * and with SenseBytes set to 0.
920 */
921 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
922 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
923
924 }
925 else if (scsi_state &
926 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
927 ) {
928 /*
929 * What to do?
930 */
931 sc->result = DID_SOFT_ERROR << 16;
932 }
933 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
934 /* Not real sure here either... */
935 sc->result = DID_RESET << 16;
936 }
937 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
938 /* Device Inq. data indicates that it supports
939 * QTags, but rejects QTag messages.
940 * This command completed OK.
941 *
942 * Not real sure here either so do nothing... */
943 }
944
945 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
946 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
947
948 /* Add handling of:
949 * Reservation Conflict, Busy,
950 * Command Terminated, CHECK
951 */
952 break;
953
954 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
955 sc->result = DID_SOFT_ERROR << 16;
956 break;
957
958 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
959 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
960 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
961 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
962 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
963 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
964 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
965 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
966 default:
967 /*
968 * What to do?
969 */
970 sc->result = DID_SOFT_ERROR << 16;
971 break;
972
973 } /* switch(status) */
974
975 #ifdef CONFIG_FUSION_LOGGING
976 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
977 mptscsih_info_scsiio(ioc, sc, pScsiReply);
978 #endif
979
980 } /* end of address reply case */
981 out:
982 /* Unmap the DMA buffers, if any. */
983 scsi_dma_unmap(sc);
984
985 sc->scsi_done(sc); /* Issue the command callback */
986
987 /* Free Chain buffers */
988 mptscsih_freeChainBuffers(ioc, req_idx);
989 return 1;
990 }
991
992 /*
993 * mptscsih_flush_running_cmds - For each command found, search
994 * Scsi_Host instance taskQ and reply to OS.
995 * Called only if recovering from a FW reload.
996 * @hd: Pointer to a SCSI HOST structure
997 *
998 * Returns: None.
999 *
1000 * Must be called while new I/Os are being queued.
1001 */
1002 static void
1003 mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1004 {
1005 MPT_ADAPTER *ioc = hd->ioc;
1006 struct scsi_cmnd *sc;
1007 SCSIIORequest_t *mf = NULL;
1008 int ii;
1009 int channel, id;
1010
1011 for (ii= 0; ii < ioc->req_depth; ii++) {
1012 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1013 if (!sc)
1014 continue;
1015 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1016 if (!mf)
1017 continue;
1018 channel = mf->Bus;
1019 id = mf->TargetID;
1020 mptscsih_freeChainBuffers(ioc, ii);
1021 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1022 if ((unsigned char *)mf != sc->host_scribble)
1023 continue;
1024 scsi_dma_unmap(sc);
1025 sc->result = DID_RESET << 16;
1026 sc->host_scribble = NULL;
1027 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1028 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1029 "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
1030 sc->scsi_done(sc);
1031 }
1032 }
1033
1034 /*
1035 * mptscsih_search_running_cmds - Delete any commands associated
1036 * with the specified target and lun. Function called only
1037 * when a lun is disable by mid-layer.
1038 * Do NOT access the referenced scsi_cmnd structure or
1039 * members. Will cause either a paging or NULL ptr error.
1040 * (BUT, BUT, BUT, the code does reference it! - mdr)
1041 * @hd: Pointer to a SCSI HOST structure
1042 * @vdevice: per device private data
1043 *
1044 * Returns: None.
1045 *
1046 * Called from slave_destroy.
1047 */
1048 static void
1049 mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1050 {
1051 SCSIIORequest_t *mf = NULL;
1052 int ii;
1053 struct scsi_cmnd *sc;
1054 struct scsi_lun lun;
1055 MPT_ADAPTER *ioc = hd->ioc;
1056 unsigned long flags;
1057
1058 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1059 for (ii = 0; ii < ioc->req_depth; ii++) {
1060 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
1061
1062 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1063 if (mf == NULL)
1064 continue;
1065 /* If the device is a hidden raid component, then its
1066 * expected that the mf->function will be RAID_SCSI_IO
1067 */
1068 if (vdevice->vtarget->tflags &
1069 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1070 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1071 continue;
1072
1073 int_to_scsilun(vdevice->lun, &lun);
1074 if ((mf->Bus != vdevice->vtarget->channel) ||
1075 (mf->TargetID != vdevice->vtarget->id) ||
1076 memcmp(lun.scsi_lun, mf->LUN, 8))
1077 continue;
1078
1079 if ((unsigned char *)mf != sc->host_scribble)
1080 continue;
1081 ioc->ScsiLookup[ii] = NULL;
1082 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1083 mptscsih_freeChainBuffers(ioc, ii);
1084 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1085 scsi_dma_unmap(sc);
1086 sc->host_scribble = NULL;
1087 sc->result = DID_NO_CONNECT << 16;
1088 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1089 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1090 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1091 vdevice->vtarget->channel, vdevice->vtarget->id,
1092 sc, mf, ii));
1093 sc->scsi_done(sc);
1094 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1095 }
1096 }
1097 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1098 return;
1099 }
1100
1101 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1102
1103 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1104 /*
1105 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
1106 * from a SCSI target device.
1107 * @sc: Pointer to scsi_cmnd structure
1108 * @pScsiReply: Pointer to SCSIIOReply_t
1109 * @pScsiReq: Pointer to original SCSI request
1110 *
1111 * This routine periodically reports QUEUE_FULL status returned from a
1112 * SCSI target device. It reports this to the console via kernel
1113 * printk() API call, not more than once every 10 seconds.
1114 */
1115 static void
1116 mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1117 {
1118 long time = jiffies;
1119 MPT_SCSI_HOST *hd;
1120 MPT_ADAPTER *ioc;
1121
1122 if (sc->device == NULL)
1123 return;
1124 if (sc->device->host == NULL)
1125 return;
1126 if ((hd = shost_priv(sc->device->host)) == NULL)
1127 return;
1128 ioc = hd->ioc;
1129 if (time - hd->last_queue_full > 10 * HZ) {
1130 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n",
1131 ioc->name, 0, sc->device->id, sc->device->lun));
1132 hd->last_queue_full = time;
1133 }
1134 }
1135
1136 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1137 /*
1138 * mptscsih_remove - Removed scsi devices
1139 * @pdev: Pointer to pci_dev structure
1140 *
1141 *
1142 */
1143 void
1144 mptscsih_remove(struct pci_dev *pdev)
1145 {
1146 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1147 struct Scsi_Host *host = ioc->sh;
1148 MPT_SCSI_HOST *hd;
1149 int sz1;
1150
1151 if(!host) {
1152 mpt_detach(pdev);
1153 return;
1154 }
1155
1156 scsi_remove_host(host);
1157
1158 if((hd = shost_priv(host)) == NULL)
1159 return;
1160
1161 mptscsih_shutdown(pdev);
1162
1163 sz1=0;
1164
1165 if (ioc->ScsiLookup != NULL) {
1166 sz1 = ioc->req_depth * sizeof(void *);
1167 kfree(ioc->ScsiLookup);
1168 ioc->ScsiLookup = NULL;
1169 }
1170
1171 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1172 "Free'd ScsiLookup (%d) memory\n",
1173 ioc->name, sz1));
1174
1175 kfree(hd->info_kbuf);
1176
1177 /* NULL the Scsi_Host pointer
1178 */
1179 ioc->sh = NULL;
1180
1181 scsi_host_put(host);
1182
1183 mpt_detach(pdev);
1184
1185 }
1186
1187 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1188 /*
1189 * mptscsih_shutdown - reboot notifier
1190 *
1191 */
1192 void
1193 mptscsih_shutdown(struct pci_dev *pdev)
1194 {
1195 }
1196
1197 #ifdef CONFIG_PM
1198 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1199 /*
1200 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1201 *
1202 *
1203 */
1204 int
1205 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1206 {
1207 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1208
1209 scsi_block_requests(ioc->sh);
1210 flush_scheduled_work();
1211 mptscsih_shutdown(pdev);
1212 return mpt_suspend(pdev,state);
1213 }
1214
1215 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1216 /*
1217 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1218 *
1219 *
1220 */
1221 int
1222 mptscsih_resume(struct pci_dev *pdev)
1223 {
1224 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1225 int rc;
1226
1227 rc = mpt_resume(pdev);
1228 scsi_unblock_requests(ioc->sh);
1229 return rc;
1230 }
1231
1232 #endif
1233
1234 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1235 /**
1236 * mptscsih_info - Return information about MPT adapter
1237 * @SChost: Pointer to Scsi_Host structure
1238 *
1239 * (linux scsi_host_template.info routine)
1240 *
1241 * Returns pointer to buffer where information was written.
1242 */
1243 const char *
1244 mptscsih_info(struct Scsi_Host *SChost)
1245 {
1246 MPT_SCSI_HOST *h;
1247 int size = 0;
1248
1249 h = shost_priv(SChost);
1250
1251 if (h) {
1252 if (h->info_kbuf == NULL)
1253 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1254 return h->info_kbuf;
1255 h->info_kbuf[0] = '\0';
1256
1257 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1258 h->info_kbuf[size-1] = '\0';
1259 }
1260
1261 return h->info_kbuf;
1262 }
1263
1264 struct info_str {
1265 char *buffer;
1266 int length;
1267 int offset;
1268 int pos;
1269 };
1270
1271 static void
1272 mptscsih_copy_mem_info(struct info_str *info, char *data, int len)
1273 {
1274 if (info->pos + len > info->length)
1275 len = info->length - info->pos;
1276
1277 if (info->pos + len < info->offset) {
1278 info->pos += len;
1279 return;
1280 }
1281
1282 if (info->pos < info->offset) {
1283 data += (info->offset - info->pos);
1284 len -= (info->offset - info->pos);
1285 }
1286
1287 if (len > 0) {
1288 memcpy(info->buffer + info->pos, data, len);
1289 info->pos += len;
1290 }
1291 }
1292
1293 static int
1294 mptscsih_copy_info(struct info_str *info, char *fmt, ...)
1295 {
1296 va_list args;
1297 char buf[81];
1298 int len;
1299
1300 va_start(args, fmt);
1301 len = vsprintf(buf, fmt, args);
1302 va_end(args);
1303
1304 mptscsih_copy_mem_info(info, buf, len);
1305 return len;
1306 }
1307
1308 static int
1309 mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len)
1310 {
1311 struct info_str info;
1312
1313 info.buffer = pbuf;
1314 info.length = len;
1315 info.offset = offset;
1316 info.pos = 0;
1317
1318 mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name);
1319 mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1320 mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts);
1321 mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth);
1322
1323 return ((info.pos > info.offset) ? info.pos - info.offset : 0);
1324 }
1325
1326 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1327 /**
1328 * mptscsih_proc_info - Return information about MPT adapter
1329 * @host: scsi host struct
1330 * @buffer: if write, user data; if read, buffer for user
1331 * @start: returns the buffer address
1332 * @offset: if write, 0; if read, the current offset into the buffer from
1333 * the previous read.
1334 * @length: if write, return length;
1335 * @func: write = 1; read = 0
1336 *
1337 * (linux scsi_host_template.info routine)
1338 */
1339 int
1340 mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
1341 int length, int func)
1342 {
1343 MPT_SCSI_HOST *hd = shost_priv(host);
1344 MPT_ADAPTER *ioc = hd->ioc;
1345 int size = 0;
1346
1347 if (func) {
1348 /*
1349 * write is not supported
1350 */
1351 } else {
1352 if (start)
1353 *start = buffer;
1354
1355 size = mptscsih_host_info(ioc, buffer, offset, length);
1356 }
1357
1358 return size;
1359 }
1360
1361 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1362 #define ADD_INDEX_LOG(req_ent) do { } while(0)
1363
1364 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1365 /**
1366 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1367 * @SCpnt: Pointer to scsi_cmnd structure
1368 * @done: Pointer SCSI mid-layer IO completion function
1369 *
1370 * (linux scsi_host_template.queuecommand routine)
1371 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1372 * from a linux scsi_cmnd request and send it to the IOC.
1373 *
1374 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1375 */
1376 int
1377 mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1378 {
1379 MPT_SCSI_HOST *hd;
1380 MPT_FRAME_HDR *mf;
1381 SCSIIORequest_t *pScsiReq;
1382 VirtDevice *vdevice = SCpnt->device->hostdata;
1383 u32 datalen;
1384 u32 scsictl;
1385 u32 scsidir;
1386 u32 cmd_len;
1387 int my_idx;
1388 int ii;
1389 MPT_ADAPTER *ioc;
1390
1391 hd = shost_priv(SCpnt->device->host);
1392 ioc = hd->ioc;
1393 SCpnt->scsi_done = done;
1394
1395 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n",
1396 ioc->name, SCpnt, done));
1397
1398 if (ioc->taskmgmt_quiesce_io) {
1399 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "qcmd: SCpnt=%p timeout + 60HZ\n",
1400 ioc->name, SCpnt));
1401 return SCSI_MLQUEUE_HOST_BUSY;
1402 }
1403
1404 /*
1405 * Put together a MPT SCSI request...
1406 */
1407 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1408 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1409 ioc->name));
1410 return SCSI_MLQUEUE_HOST_BUSY;
1411 }
1412
1413 pScsiReq = (SCSIIORequest_t *) mf;
1414
1415 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1416
1417 ADD_INDEX_LOG(my_idx);
1418
1419 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1420 * Seems we may receive a buffer (datalen>0) even when there
1421 * will be no data transfer! GRRRRR...
1422 */
1423 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1424 datalen = scsi_bufflen(SCpnt);
1425 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1426 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1427 datalen = scsi_bufflen(SCpnt);
1428 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1429 } else {
1430 datalen = 0;
1431 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1432 }
1433
1434 /* Default to untagged. Once a target structure has been allocated,
1435 * use the Inquiry data to determine if device supports tagged.
1436 */
1437 if (vdevice
1438 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
1439 && (SCpnt->device->tagged_supported)) {
1440 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1441 } else {
1442 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1443 }
1444
1445 /* Use the above information to set up the message frame
1446 */
1447 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1448 pScsiReq->Bus = vdevice->vtarget->channel;
1449 pScsiReq->ChainOffset = 0;
1450 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1451 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1452 else
1453 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1454 pScsiReq->CDBLength = SCpnt->cmd_len;
1455 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1456 pScsiReq->Reserved = 0;
1457 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1458 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1459 pScsiReq->Control = cpu_to_le32(scsictl);
1460
1461 /*
1462 * Write SCSI CDB into the message
1463 */
1464 cmd_len = SCpnt->cmd_len;
1465 for (ii=0; ii < cmd_len; ii++)
1466 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1467
1468 for (ii=cmd_len; ii < 16; ii++)
1469 pScsiReq->CDB[ii] = 0;
1470
1471 /* DataLength */
1472 pScsiReq->DataLength = cpu_to_le32(datalen);
1473
1474 /* SenseBuffer low address */
1475 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1476 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1477
1478 /* Now add the SG list
1479 * Always have a SGE even if null length.
1480 */
1481 if (datalen == 0) {
1482 /* Add a NULL SGE */
1483 ioc->add_sge((char *)&pScsiReq->SGL,
1484 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1485 (dma_addr_t) -1);
1486 } else {
1487 /* Add a 32 or 64 bit SGE */
1488 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1489 goto fail;
1490 }
1491
1492 SCpnt->host_scribble = (unsigned char *)mf;
1493 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1494
1495 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1496 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1497 ioc->name, SCpnt, mf, my_idx));
1498 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1499 return 0;
1500
1501 fail:
1502 mptscsih_freeChainBuffers(ioc, my_idx);
1503 mpt_free_msg_frame(ioc, mf);
1504 return SCSI_MLQUEUE_HOST_BUSY;
1505 }
1506
1507 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1508 /*
1509 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1510 * with a SCSI IO request
1511 * @hd: Pointer to the MPT_SCSI_HOST instance
1512 * @req_idx: Index of the SCSI IO request frame.
1513 *
1514 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1515 * No return.
1516 */
1517 static void
1518 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1519 {
1520 MPT_FRAME_HDR *chain;
1521 unsigned long flags;
1522 int chain_idx;
1523 int next;
1524
1525 /* Get the first chain index and reset
1526 * tracker state.
1527 */
1528 chain_idx = ioc->ReqToChain[req_idx];
1529 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1530
1531 while (chain_idx != MPT_HOST_NO_CHAIN) {
1532
1533 /* Save the next chain buffer index */
1534 next = ioc->ChainToChain[chain_idx];
1535
1536 /* Free this chain buffer and reset
1537 * tracker
1538 */
1539 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1540
1541 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1542 + (chain_idx * ioc->req_sz));
1543
1544 spin_lock_irqsave(&ioc->FreeQlock, flags);
1545 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1546 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1547
1548 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1549 ioc->name, chain_idx));
1550
1551 /* handle next */
1552 chain_idx = next;
1553 }
1554 return;
1555 }
1556
1557 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1558 /*
1559 * Reset Handling
1560 */
1561
1562 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1563 /**
1564 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1565 * @hd: Pointer to MPT_SCSI_HOST structure
1566 * @type: Task Management type
1567 * @channel: channel number for task management
1568 * @id: Logical Target ID for reset (if appropriate)
1569 * @lun: Logical Unit for reset (if appropriate)
1570 * @ctx2abort: Context for the task to be aborted (if appropriate)
1571 * @timeout: timeout for task management control
1572 *
1573 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1574 * or a non-interrupt thread. In the former, must not call schedule().
1575 *
1576 * Not all fields are meaningfull for all task types.
1577 *
1578 * Returns 0 for SUCCESS, or FAILED.
1579 *
1580 **/
1581 int
1582 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun,
1583 int ctx2abort, ulong timeout)
1584 {
1585 MPT_FRAME_HDR *mf;
1586 SCSITaskMgmt_t *pScsiTm;
1587 int ii;
1588 int retval;
1589 MPT_ADAPTER *ioc = hd->ioc;
1590 unsigned long timeleft;
1591 u8 issue_hard_reset;
1592 u32 ioc_raw_state;
1593 unsigned long time_count;
1594
1595 issue_hard_reset = 0;
1596 ioc_raw_state = mpt_GetIocState(ioc, 0);
1597
1598 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1599 printk(MYIOC_s_WARN_FMT
1600 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1601 ioc->name, type, ioc_raw_state);
1602 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1603 ioc->name, __func__);
1604 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1605 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1606 "FAILED!!\n", ioc->name);
1607 return 0;
1608 }
1609
1610 if (ioc_raw_state & MPI_DOORBELL_ACTIVE) {
1611 printk(MYIOC_s_WARN_FMT
1612 "TaskMgmt type=%x: ioc_state: "
1613 "DOORBELL_ACTIVE (0x%x)!\n",
1614 ioc->name, type, ioc_raw_state);
1615 return FAILED;
1616 }
1617
1618 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1619 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1620 mf = NULL;
1621 retval = FAILED;
1622 goto out;
1623 }
1624
1625 /* Return Fail to calling function if no message frames available.
1626 */
1627 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1628 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1629 "TaskMgmt no msg frames!!\n", ioc->name));
1630 retval = FAILED;
1631 mpt_clear_taskmgmt_in_progress_flag(ioc);
1632 goto out;
1633 }
1634 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1635 ioc->name, mf));
1636
1637 /* Format the Request
1638 */
1639 pScsiTm = (SCSITaskMgmt_t *) mf;
1640 pScsiTm->TargetID = id;
1641 pScsiTm->Bus = channel;
1642 pScsiTm->ChainOffset = 0;
1643 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1644
1645 pScsiTm->Reserved = 0;
1646 pScsiTm->TaskType = type;
1647 pScsiTm->Reserved1 = 0;
1648 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1649 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1650
1651 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1652
1653 for (ii=0; ii < 7; ii++)
1654 pScsiTm->Reserved2[ii] = 0;
1655
1656 pScsiTm->TaskMsgContext = ctx2abort;
1657
1658 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1659 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1660 type, timeout));
1661
1662 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1663
1664 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1665 time_count = jiffies;
1666 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1667 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1668 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1669 else {
1670 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1671 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1672 if (retval) {
1673 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1674 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1675 ioc->name, mf, retval));
1676 mpt_free_msg_frame(ioc, mf);
1677 mpt_clear_taskmgmt_in_progress_flag(ioc);
1678 goto out;
1679 }
1680 }
1681
1682 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1683 timeout*HZ);
1684 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1685 retval = FAILED;
1686 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1687 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1688 mpt_clear_taskmgmt_in_progress_flag(ioc);
1689 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1690 goto out;
1691 issue_hard_reset = 1;
1692 goto out;
1693 }
1694
1695 retval = mptscsih_taskmgmt_reply(ioc, type,
1696 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1697
1698 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1699 "TaskMgmt completed (%d seconds)\n",
1700 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1701
1702 out:
1703
1704 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1705 if (issue_hard_reset) {
1706 printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
1707 ioc->name, __func__);
1708 retval = mpt_HardResetHandler(ioc, CAN_SLEEP);
1709 mpt_free_msg_frame(ioc, mf);
1710 }
1711
1712 retval = (retval == 0) ? 0 : FAILED;
1713 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1714 return retval;
1715 }
1716 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1717
1718 static int
1719 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1720 {
1721 switch (ioc->bus_type) {
1722 case FC:
1723 return 40;
1724 case SAS:
1725 case SPI:
1726 default:
1727 return 10;
1728 }
1729 }
1730
1731 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1732 /**
1733 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1734 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1735 *
1736 * (linux scsi_host_template.eh_abort_handler routine)
1737 *
1738 * Returns SUCCESS or FAILED.
1739 **/
1740 int
1741 mptscsih_abort(struct scsi_cmnd * SCpnt)
1742 {
1743 MPT_SCSI_HOST *hd;
1744 MPT_FRAME_HDR *mf;
1745 u32 ctx2abort;
1746 int scpnt_idx;
1747 int retval;
1748 VirtDevice *vdevice;
1749 ulong sn = SCpnt->serial_number;
1750 MPT_ADAPTER *ioc;
1751
1752 /* If we can't locate our host adapter structure, return FAILED status.
1753 */
1754 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1755 SCpnt->result = DID_RESET << 16;
1756 SCpnt->scsi_done(SCpnt);
1757 printk(KERN_ERR MYNAM ": task abort: "
1758 "can't locate host! (sc=%p)\n", SCpnt);
1759 return FAILED;
1760 }
1761
1762 ioc = hd->ioc;
1763 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1764 ioc->name, SCpnt);
1765 scsi_print_command(SCpnt);
1766
1767 vdevice = SCpnt->device->hostdata;
1768 if (!vdevice || !vdevice->vtarget) {
1769 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1770 "task abort: device has been deleted (sc=%p)\n",
1771 ioc->name, SCpnt));
1772 SCpnt->result = DID_NO_CONNECT << 16;
1773 SCpnt->scsi_done(SCpnt);
1774 retval = 0;
1775 goto out;
1776 }
1777
1778 /* Task aborts are not supported for hidden raid components.
1779 */
1780 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1781 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1782 "task abort: hidden raid component (sc=%p)\n",
1783 ioc->name, SCpnt));
1784 SCpnt->result = DID_RESET << 16;
1785 retval = FAILED;
1786 goto out;
1787 }
1788
1789 /* Find this command
1790 */
1791 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1792 /* Cmd not found in ScsiLookup.
1793 * Do OS callback.
1794 */
1795 SCpnt->result = DID_RESET << 16;
1796 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1797 "Command not in the active list! (sc=%p)\n", ioc->name,
1798 SCpnt));
1799 retval = SUCCESS;
1800 goto out;
1801 }
1802
1803 if (ioc->timeouts < -1)
1804 ioc->timeouts++;
1805
1806 if (mpt_fwfault_debug)
1807 mpt_halt_firmware(ioc);
1808
1809 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1810 * (the IO to be ABORT'd)
1811 *
1812 * NOTE: Since we do not byteswap MsgContext, we do not
1813 * swap it here either. It is an opaque cookie to
1814 * the controller, so it does not matter. -DaveM
1815 */
1816 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1817 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1818 retval = mptscsih_IssueTaskMgmt(hd,
1819 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1820 vdevice->vtarget->channel,
1821 vdevice->vtarget->id, vdevice->lun,
1822 ctx2abort, mptscsih_get_tm_timeout(ioc));
1823
1824 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx &&
1825 SCpnt->serial_number == sn) {
1826 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1827 "task abort: command still in active list! (sc=%p)\n",
1828 ioc->name, SCpnt));
1829 retval = FAILED;
1830 } else {
1831 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1832 "task abort: command cleared from active list! (sc=%p)\n",
1833 ioc->name, SCpnt));
1834 retval = SUCCESS;
1835 }
1836
1837 out:
1838 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p) (sn=%ld)\n",
1839 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1840 SCpnt, SCpnt->serial_number);
1841
1842 return retval;
1843 }
1844
1845 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1846 /**
1847 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1848 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1849 *
1850 * (linux scsi_host_template.eh_dev_reset_handler routine)
1851 *
1852 * Returns SUCCESS or FAILED.
1853 **/
1854 int
1855 mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1856 {
1857 MPT_SCSI_HOST *hd;
1858 int retval;
1859 VirtDevice *vdevice;
1860 MPT_ADAPTER *ioc;
1861
1862 /* If we can't locate our host adapter structure, return FAILED status.
1863 */
1864 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1865 printk(KERN_ERR MYNAM ": target reset: "
1866 "Can't locate host! (sc=%p)\n", SCpnt);
1867 return FAILED;
1868 }
1869
1870 ioc = hd->ioc;
1871 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1872 ioc->name, SCpnt);
1873 scsi_print_command(SCpnt);
1874
1875 vdevice = SCpnt->device->hostdata;
1876 if (!vdevice || !vdevice->vtarget) {
1877 retval = 0;
1878 goto out;
1879 }
1880
1881 /* Target reset to hidden raid component is not supported
1882 */
1883 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1884 retval = FAILED;
1885 goto out;
1886 }
1887
1888 retval = mptscsih_IssueTaskMgmt(hd,
1889 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1890 vdevice->vtarget->channel,
1891 vdevice->vtarget->id, 0, 0,
1892 mptscsih_get_tm_timeout(ioc));
1893
1894 out:
1895 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1896 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1897
1898 if (retval == 0)
1899 return SUCCESS;
1900 else
1901 return FAILED;
1902 }
1903
1904
1905 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1906 /**
1907 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1908 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1909 *
1910 * (linux scsi_host_template.eh_bus_reset_handler routine)
1911 *
1912 * Returns SUCCESS or FAILED.
1913 **/
1914 int
1915 mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1916 {
1917 MPT_SCSI_HOST *hd;
1918 int retval;
1919 VirtDevice *vdevice;
1920 MPT_ADAPTER *ioc;
1921
1922 /* If we can't locate our host adapter structure, return FAILED status.
1923 */
1924 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1925 printk(KERN_ERR MYNAM ": bus reset: "
1926 "Can't locate host! (sc=%p)\n", SCpnt);
1927 return FAILED;
1928 }
1929
1930 ioc = hd->ioc;
1931 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1932 ioc->name, SCpnt);
1933 scsi_print_command(SCpnt);
1934
1935 if (ioc->timeouts < -1)
1936 ioc->timeouts++;
1937
1938 vdevice = SCpnt->device->hostdata;
1939 if (!vdevice || !vdevice->vtarget)
1940 return SUCCESS;
1941 retval = mptscsih_IssueTaskMgmt(hd,
1942 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1943 vdevice->vtarget->channel, 0, 0, 0,
1944 mptscsih_get_tm_timeout(ioc));
1945
1946 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1947 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1948
1949 if (retval == 0)
1950 return SUCCESS;
1951 else
1952 return FAILED;
1953 }
1954
1955 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1956 /**
1957 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1958 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1959 *
1960 * (linux scsi_host_template.eh_host_reset_handler routine)
1961 *
1962 * Returns SUCCESS or FAILED.
1963 */
1964 int
1965 mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1966 {
1967 MPT_SCSI_HOST * hd;
1968 int status = SUCCESS;
1969 MPT_ADAPTER *ioc;
1970 int retval;
1971
1972 /* If we can't locate the host to reset, then we failed. */
1973 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1974 printk(KERN_ERR MYNAM ": host reset: "
1975 "Can't locate host! (sc=%p)\n", SCpnt);
1976 return FAILED;
1977 }
1978
1979 /* make sure we have no outstanding commands at this stage */
1980 mptscsih_flush_running_cmds(hd);
1981
1982 ioc = hd->ioc;
1983 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1984 ioc->name, SCpnt);
1985
1986 /* If our attempts to reset the host failed, then return a failed
1987 * status. The host will be taken off line by the SCSI mid-layer.
1988 */
1989 retval = mpt_HardResetHandler(ioc, CAN_SLEEP);
1990 if (retval < 0)
1991 status = FAILED;
1992 else
1993 status = SUCCESS;
1994
1995 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1996 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1997
1998 return status;
1999 }
2000
2001 static int
2002 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
2003 SCSITaskMgmtReply_t *pScsiTmReply)
2004 {
2005 u16 iocstatus;
2006 u32 termination_count;
2007 int retval;
2008
2009 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
2010 retval = FAILED;
2011 goto out;
2012 }
2013
2014 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
2015
2016 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2017 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
2018
2019 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2020 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
2021 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
2022 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
2023 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
2024 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
2025 termination_count));
2026
2027 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
2028 pScsiTmReply->ResponseCode)
2029 mptscsih_taskmgmt_response_code(ioc,
2030 pScsiTmReply->ResponseCode);
2031
2032 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
2033 retval = 0;
2034 goto out;
2035 }
2036
2037 retval = FAILED;
2038 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
2039 if (termination_count == 1)
2040 retval = 0;
2041 goto out;
2042 }
2043
2044 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
2045 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2046 retval = 0;
2047
2048 out:
2049 return retval;
2050 }
2051
2052 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2053 void
2054 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2055 {
2056 char *desc;
2057
2058 switch (response_code) {
2059 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2060 desc = "The task completed.";
2061 break;
2062 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2063 desc = "The IOC received an invalid frame status.";
2064 break;
2065 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2066 desc = "The task type is not supported.";
2067 break;
2068 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2069 desc = "The requested task failed.";
2070 break;
2071 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2072 desc = "The task completed successfully.";
2073 break;
2074 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2075 desc = "The LUN request is invalid.";
2076 break;
2077 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2078 desc = "The task is in the IOC queue and has not been sent to target.";
2079 break;
2080 default:
2081 desc = "unknown";
2082 break;
2083 }
2084 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2085 ioc->name, response_code, desc);
2086 }
2087 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2088
2089 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2090 /**
2091 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2092 * @ioc: Pointer to MPT_ADAPTER structure
2093 * @mf: Pointer to SCSI task mgmt request frame
2094 * @mr: Pointer to SCSI task mgmt reply frame
2095 *
2096 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2097 * of any SCSI task management request.
2098 * This routine is registered with the MPT (base) driver at driver
2099 * load/init time via the mpt_register() API call.
2100 *
2101 * Returns 1 indicating alloc'd request frame ptr should be freed.
2102 **/
2103 int
2104 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2105 MPT_FRAME_HDR *mr)
2106 {
2107 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2108 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2109
2110 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2111
2112 if (!mr)
2113 goto out;
2114
2115 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2116 memcpy(ioc->taskmgmt_cmds.reply, mr,
2117 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2118 out:
2119 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2120 mpt_clear_taskmgmt_in_progress_flag(ioc);
2121 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2122 complete(&ioc->taskmgmt_cmds.done);
2123 return 1;
2124 }
2125 return 0;
2126 }
2127
2128 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2129 /*
2130 * This is anyones guess quite frankly.
2131 */
2132 int
2133 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2134 sector_t capacity, int geom[])
2135 {
2136 int heads;
2137 int sectors;
2138 sector_t cylinders;
2139 ulong dummy;
2140
2141 heads = 64;
2142 sectors = 32;
2143
2144 dummy = heads * sectors;
2145 cylinders = capacity;
2146 sector_div(cylinders,dummy);
2147
2148 /*
2149 * Handle extended translation size for logical drives
2150 * > 1Gb
2151 */
2152 if ((ulong)capacity >= 0x200000) {
2153 heads = 255;
2154 sectors = 63;
2155 dummy = heads * sectors;
2156 cylinders = capacity;
2157 sector_div(cylinders,dummy);
2158 }
2159
2160 /* return result */
2161 geom[0] = heads;
2162 geom[1] = sectors;
2163 geom[2] = cylinders;
2164
2165 return 0;
2166 }
2167
2168 /* Search IOC page 3 to determine if this is hidden physical disk
2169 *
2170 */
2171 int
2172 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2173 {
2174 struct inactive_raid_component_info *component_info;
2175 int i, j;
2176 RaidPhysDiskPage1_t *phys_disk;
2177 int rc = 0;
2178 int num_paths;
2179
2180 if (!ioc->raid_data.pIocPg3)
2181 goto out;
2182 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2183 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2184 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2185 rc = 1;
2186 goto out;
2187 }
2188 }
2189
2190 if (ioc->bus_type != SAS)
2191 goto out;
2192
2193 /*
2194 * Check if dual path
2195 */
2196 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2197 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2198 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2199 if (num_paths < 2)
2200 continue;
2201 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2202 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2203 if (!phys_disk)
2204 continue;
2205 if ((mpt_raid_phys_disk_pg1(ioc,
2206 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2207 phys_disk))) {
2208 kfree(phys_disk);
2209 continue;
2210 }
2211 for (j = 0; j < num_paths; j++) {
2212 if ((phys_disk->Path[j].Flags &
2213 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2214 continue;
2215 if ((phys_disk->Path[j].Flags &
2216 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2217 continue;
2218 if ((id == phys_disk->Path[j].PhysDiskID) &&
2219 (channel == phys_disk->Path[j].PhysDiskBus)) {
2220 rc = 1;
2221 kfree(phys_disk);
2222 goto out;
2223 }
2224 }
2225 kfree(phys_disk);
2226 }
2227
2228
2229 /*
2230 * Check inactive list for matching phys disks
2231 */
2232 if (list_empty(&ioc->raid_data.inactive_list))
2233 goto out;
2234
2235 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2236 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2237 list) {
2238 if ((component_info->d.PhysDiskID == id) &&
2239 (component_info->d.PhysDiskBus == channel))
2240 rc = 1;
2241 }
2242 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2243
2244 out:
2245 return rc;
2246 }
2247 EXPORT_SYMBOL(mptscsih_is_phys_disk);
2248
2249 u8
2250 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2251 {
2252 struct inactive_raid_component_info *component_info;
2253 int i, j;
2254 RaidPhysDiskPage1_t *phys_disk;
2255 int rc = -ENXIO;
2256 int num_paths;
2257
2258 if (!ioc->raid_data.pIocPg3)
2259 goto out;
2260 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2261 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2262 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2263 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2264 goto out;
2265 }
2266 }
2267
2268 if (ioc->bus_type != SAS)
2269 goto out;
2270
2271 /*
2272 * Check if dual path
2273 */
2274 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2275 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2276 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2277 if (num_paths < 2)
2278 continue;
2279 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2280 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2281 if (!phys_disk)
2282 continue;
2283 if ((mpt_raid_phys_disk_pg1(ioc,
2284 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2285 phys_disk))) {
2286 kfree(phys_disk);
2287 continue;
2288 }
2289 for (j = 0; j < num_paths; j++) {
2290 if ((phys_disk->Path[j].Flags &
2291 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2292 continue;
2293 if ((phys_disk->Path[j].Flags &
2294 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2295 continue;
2296 if ((id == phys_disk->Path[j].PhysDiskID) &&
2297 (channel == phys_disk->Path[j].PhysDiskBus)) {
2298 rc = phys_disk->PhysDiskNum;
2299 kfree(phys_disk);
2300 goto out;
2301 }
2302 }
2303 kfree(phys_disk);
2304 }
2305
2306 /*
2307 * Check inactive list for matching phys disks
2308 */
2309 if (list_empty(&ioc->raid_data.inactive_list))
2310 goto out;
2311
2312 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2313 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2314 list) {
2315 if ((component_info->d.PhysDiskID == id) &&
2316 (component_info->d.PhysDiskBus == channel))
2317 rc = component_info->d.PhysDiskNum;
2318 }
2319 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2320
2321 out:
2322 return rc;
2323 }
2324 EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2325
2326 /*
2327 * OS entry point to allow for host driver to free allocated memory
2328 * Called if no device present or device being unloaded
2329 */
2330 void
2331 mptscsih_slave_destroy(struct scsi_device *sdev)
2332 {
2333 struct Scsi_Host *host = sdev->host;
2334 MPT_SCSI_HOST *hd = shost_priv(host);
2335 VirtTarget *vtarget;
2336 VirtDevice *vdevice;
2337 struct scsi_target *starget;
2338
2339 starget = scsi_target(sdev);
2340 vtarget = starget->hostdata;
2341 vdevice = sdev->hostdata;
2342
2343 mptscsih_search_running_cmds(hd, vdevice);
2344 vtarget->num_luns--;
2345 mptscsih_synchronize_cache(hd, vdevice);
2346 kfree(vdevice);
2347 sdev->hostdata = NULL;
2348 }
2349
2350 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2351 /*
2352 * mptscsih_change_queue_depth - This function will set a devices queue depth
2353 * @sdev: per scsi_device pointer
2354 * @qdepth: requested queue depth
2355 *
2356 * Adding support for new 'change_queue_depth' api.
2357 */
2358 int
2359 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
2360 {
2361 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2362 VirtTarget *vtarget;
2363 struct scsi_target *starget;
2364 int max_depth;
2365 int tagged;
2366 MPT_ADAPTER *ioc = hd->ioc;
2367
2368 starget = scsi_target(sdev);
2369 vtarget = starget->hostdata;
2370
2371 if (ioc->bus_type == SPI) {
2372 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2373 max_depth = 1;
2374 else if (sdev->type == TYPE_DISK &&
2375 vtarget->minSyncFactor <= MPT_ULTRA160)
2376 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2377 else
2378 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2379 } else
2380 max_depth = ioc->sh->can_queue;
2381
2382 if (!sdev->tagged_supported)
2383 max_depth = 1;
2384
2385 if (qdepth > max_depth)
2386 qdepth = max_depth;
2387 if (qdepth == 1)
2388 tagged = 0;
2389 else
2390 tagged = MSG_SIMPLE_TAG;
2391
2392 scsi_adjust_queue_depth(sdev, tagged, qdepth);
2393 return sdev->queue_depth;
2394 }
2395
2396 /*
2397 * OS entry point to adjust the queue_depths on a per-device basis.
2398 * Called once per device the bus scan. Use it to force the queue_depth
2399 * member to 1 if a device does not support Q tags.
2400 * Return non-zero if fails.
2401 */
2402 int
2403 mptscsih_slave_configure(struct scsi_device *sdev)
2404 {
2405 struct Scsi_Host *sh = sdev->host;
2406 VirtTarget *vtarget;
2407 VirtDevice *vdevice;
2408 struct scsi_target *starget;
2409 MPT_SCSI_HOST *hd = shost_priv(sh);
2410 MPT_ADAPTER *ioc = hd->ioc;
2411
2412 starget = scsi_target(sdev);
2413 vtarget = starget->hostdata;
2414 vdevice = sdev->hostdata;
2415
2416 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2417 "device @ %p, channel=%d, id=%d, lun=%d\n",
2418 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2419 if (ioc->bus_type == SPI)
2420 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2421 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2422 ioc->name, sdev->sdtr, sdev->wdtr,
2423 sdev->ppr, sdev->inquiry_len));
2424
2425 vdevice->configured_lun = 1;
2426
2427 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2428 "Queue depth=%d, tflags=%x\n",
2429 ioc->name, sdev->queue_depth, vtarget->tflags));
2430
2431 if (ioc->bus_type == SPI)
2432 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2433 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2434 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2435 vtarget->minSyncFactor));
2436
2437 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
2438 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2439 "tagged %d, simple %d, ordered %d\n",
2440 ioc->name,sdev->tagged_supported, sdev->simple_tags,
2441 sdev->ordered_tags));
2442
2443 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2444
2445 return 0;
2446 }
2447
2448 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2449 /*
2450 * Private routines...
2451 */
2452
2453 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2454 /* Utility function to copy sense data from the scsi_cmnd buffer
2455 * to the FC and SCSI target structures.
2456 *
2457 */
2458 static void
2459 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2460 {
2461 VirtDevice *vdevice;
2462 SCSIIORequest_t *pReq;
2463 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2464 MPT_ADAPTER *ioc = hd->ioc;
2465
2466 /* Get target structure
2467 */
2468 pReq = (SCSIIORequest_t *) mf;
2469 vdevice = sc->device->hostdata;
2470
2471 if (sense_count) {
2472 u8 *sense_data;
2473 int req_index;
2474
2475 /* Copy the sense received into the scsi command block. */
2476 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2477 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2478 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2479
2480 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2481 */
2482 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2483 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2484 int idx;
2485
2486 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2487 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2488 ioc->events[idx].eventContext = ioc->eventContext;
2489
2490 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2491 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2492 (sc->device->channel << 8) | sc->device->id;
2493
2494 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2495
2496 ioc->eventContext++;
2497 if (ioc->pcidev->vendor ==
2498 PCI_VENDOR_ID_IBM) {
2499 mptscsih_issue_sep_command(ioc,
2500 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2501 vdevice->vtarget->tflags |=
2502 MPT_TARGET_FLAGS_LED_ON;
2503 }
2504 }
2505 }
2506 } else {
2507 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2508 ioc->name));
2509 }
2510 }
2511
2512 /**
2513 * mptscsih_get_scsi_lookup - retrieves scmd entry
2514 * @ioc: Pointer to MPT_ADAPTER structure
2515 * @i: index into the array
2516 *
2517 * Returns the scsi_cmd pointer
2518 */
2519 struct scsi_cmnd *
2520 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2521 {
2522 unsigned long flags;
2523 struct scsi_cmnd *scmd;
2524
2525 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2526 scmd = ioc->ScsiLookup[i];
2527 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2528
2529 return scmd;
2530 }
2531 EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2532
2533 /**
2534 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2535 * @ioc: Pointer to MPT_ADAPTER structure
2536 * @i: index into the array
2537 *
2538 * Returns the scsi_cmd pointer
2539 *
2540 **/
2541 static struct scsi_cmnd *
2542 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2543 {
2544 unsigned long flags;
2545 struct scsi_cmnd *scmd;
2546
2547 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2548 scmd = ioc->ScsiLookup[i];
2549 ioc->ScsiLookup[i] = NULL;
2550 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2551
2552 return scmd;
2553 }
2554
2555 /**
2556 * mptscsih_set_scsi_lookup
2557 *
2558 * writes a scmd entry into the ScsiLookup[] array list
2559 *
2560 * @ioc: Pointer to MPT_ADAPTER structure
2561 * @i: index into the array
2562 * @scmd: scsi_cmnd pointer
2563 *
2564 **/
2565 static void
2566 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2567 {
2568 unsigned long flags;
2569
2570 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2571 ioc->ScsiLookup[i] = scmd;
2572 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2573 }
2574
2575 /**
2576 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2577 * @ioc: Pointer to MPT_ADAPTER structure
2578 * @sc: scsi_cmnd pointer
2579 */
2580 static int
2581 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2582 {
2583 unsigned long flags;
2584 int i, index=-1;
2585
2586 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2587 for (i = 0; i < ioc->req_depth; i++) {
2588 if (ioc->ScsiLookup[i] == sc) {
2589 index = i;
2590 goto out;
2591 }
2592 }
2593
2594 out:
2595 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2596 return index;
2597 }
2598
2599 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2600 int
2601 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2602 {
2603 MPT_SCSI_HOST *hd;
2604
2605 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2606 return 0;
2607
2608 hd = shost_priv(ioc->sh);
2609 switch (reset_phase) {
2610 case MPT_IOC_SETUP_RESET:
2611 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2612 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2613 break;
2614 case MPT_IOC_PRE_RESET:
2615 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2616 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2617 mptscsih_flush_running_cmds(hd);
2618 break;
2619 case MPT_IOC_POST_RESET:
2620 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2621 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2622 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2623 ioc->internal_cmds.status |=
2624 MPT_MGMT_STATUS_DID_IOCRESET;
2625 complete(&ioc->internal_cmds.done);
2626 }
2627 break;
2628 default:
2629 break;
2630 }
2631 return 1; /* currently means nothing really */
2632 }
2633
2634 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2635 int
2636 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2637 {
2638 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2639
2640 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2641 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2642 ioc->name, event));
2643
2644 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2645 event == MPI_EVENT_EXT_BUS_RESET) &&
2646 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2647 ioc->soft_resets++;
2648
2649 return 1; /* currently means nothing really */
2650 }
2651
2652 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2653 /*
2654 * Bus Scan and Domain Validation functionality ...
2655 */
2656
2657 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2658 /*
2659 * mptscsih_scandv_complete - Scan and DV callback routine registered
2660 * to Fustion MPT (base) driver.
2661 *
2662 * @ioc: Pointer to MPT_ADAPTER structure
2663 * @mf: Pointer to original MPT request frame
2664 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2665 *
2666 * This routine is called from mpt.c::mpt_interrupt() at the completion
2667 * of any SCSI IO request.
2668 * This routine is registered with the Fusion MPT (base) driver at driver
2669 * load/init time via the mpt_register() API call.
2670 *
2671 * Returns 1 indicating alloc'd request frame ptr should be freed.
2672 *
2673 * Remark: Sets a completion code and (possibly) saves sense data
2674 * in the IOC member localReply structure.
2675 * Used ONLY for DV and other internal commands.
2676 */
2677 int
2678 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2679 MPT_FRAME_HDR *reply)
2680 {
2681 SCSIIORequest_t *pReq;
2682 SCSIIOReply_t *pReply;
2683 u8 cmd;
2684 u16 req_idx;
2685 u8 *sense_data;
2686 int sz;
2687
2688 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2689 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2690 if (!reply)
2691 goto out;
2692
2693 pReply = (SCSIIOReply_t *) reply;
2694 pReq = (SCSIIORequest_t *) req;
2695 ioc->internal_cmds.completion_code =
2696 mptscsih_get_completion_code(ioc, req, reply);
2697 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2698 memcpy(ioc->internal_cmds.reply, reply,
2699 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2700 cmd = reply->u.hdr.Function;
2701 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2702 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2703 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2704 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2705 sense_data = ((u8 *)ioc->sense_buf_pool +
2706 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2707 sz = min_t(int, pReq->SenseBufferLength,
2708 MPT_SENSE_BUFFER_ALLOC);
2709 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2710 }
2711 out:
2712 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2713 return 0;
2714 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2715 complete(&ioc->internal_cmds.done);
2716 return 1;
2717 }
2718
2719
2720 /**
2721 * mptscsih_get_completion_code -
2722 * @ioc: Pointer to MPT_ADAPTER structure
2723 * @req: Pointer to original MPT request frame
2724 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
2725 *
2726 **/
2727 static int
2728 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2729 MPT_FRAME_HDR *reply)
2730 {
2731 SCSIIOReply_t *pReply;
2732 MpiRaidActionReply_t *pr;
2733 u8 scsi_status;
2734 u16 status;
2735 int completion_code;
2736
2737 pReply = (SCSIIOReply_t *)reply;
2738 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2739 scsi_status = pReply->SCSIStatus;
2740
2741 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2742 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2743 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2744 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2745
2746 switch (status) {
2747
2748 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2749 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2750 break;
2751
2752 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2753 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2754 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2755 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2756 completion_code = MPT_SCANDV_DID_RESET;
2757 break;
2758
2759 case MPI_IOCSTATUS_BUSY:
2760 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2761 completion_code = MPT_SCANDV_BUSY;
2762 break;
2763
2764 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2765 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2766 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2767 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2768 completion_code = MPT_SCANDV_GOOD;
2769 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2770 pr = (MpiRaidActionReply_t *)reply;
2771 if (le16_to_cpu(pr->ActionStatus) ==
2772 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2773 completion_code = MPT_SCANDV_GOOD;
2774 else
2775 completion_code = MPT_SCANDV_SOME_ERROR;
2776 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2777 completion_code = MPT_SCANDV_SENSE;
2778 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2779 if (req->u.scsireq.CDB[0] == INQUIRY)
2780 completion_code = MPT_SCANDV_ISSUE_SENSE;
2781 else
2782 completion_code = MPT_SCANDV_DID_RESET;
2783 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2784 completion_code = MPT_SCANDV_DID_RESET;
2785 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2786 completion_code = MPT_SCANDV_DID_RESET;
2787 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2788 completion_code = MPT_SCANDV_BUSY;
2789 else
2790 completion_code = MPT_SCANDV_GOOD;
2791 break;
2792
2793 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2794 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2795 completion_code = MPT_SCANDV_DID_RESET;
2796 else
2797 completion_code = MPT_SCANDV_SOME_ERROR;
2798 break;
2799 default:
2800 completion_code = MPT_SCANDV_SOME_ERROR;
2801 break;
2802
2803 } /* switch(status) */
2804
2805 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2806 " completionCode set to %08xh\n", ioc->name, completion_code));
2807 return completion_code;
2808 }
2809
2810 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2811 /**
2812 * mptscsih_do_cmd - Do internal command.
2813 * @hd: MPT_SCSI_HOST pointer
2814 * @io: INTERNAL_CMD pointer.
2815 *
2816 * Issue the specified internally generated command and do command
2817 * specific cleanup. For bus scan / DV only.
2818 * NOTES: If command is Inquiry and status is good,
2819 * initialize a target structure, save the data
2820 *
2821 * Remark: Single threaded access only.
2822 *
2823 * Return:
2824 * < 0 if an illegal command or no resources
2825 *
2826 * 0 if good
2827 *
2828 * > 0 if command complete but some type of completion error.
2829 */
2830 static int
2831 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2832 {
2833 MPT_FRAME_HDR *mf;
2834 SCSIIORequest_t *pScsiReq;
2835 int my_idx, ii, dir;
2836 int timeout;
2837 char cmdLen;
2838 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2839 u8 cmd = io->cmd;
2840 MPT_ADAPTER *ioc = hd->ioc;
2841 int ret = 0;
2842 unsigned long timeleft;
2843 unsigned long flags;
2844
2845 /* don't send internal command during diag reset */
2846 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2847 if (ioc->ioc_reset_in_progress) {
2848 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2849 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2850 "%s: busy with host reset\n", ioc->name, __func__));
2851 return MPT_SCANDV_BUSY;
2852 }
2853 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2854
2855 mutex_lock(&ioc->internal_cmds.mutex);
2856
2857 /* Set command specific information
2858 */
2859 switch (cmd) {
2860 case INQUIRY:
2861 cmdLen = 6;
2862 dir = MPI_SCSIIO_CONTROL_READ;
2863 CDB[0] = cmd;
2864 CDB[4] = io->size;
2865 timeout = 10;
2866 break;
2867
2868 case TEST_UNIT_READY:
2869 cmdLen = 6;
2870 dir = MPI_SCSIIO_CONTROL_READ;
2871 timeout = 10;
2872 break;
2873
2874 case START_STOP:
2875 cmdLen = 6;
2876 dir = MPI_SCSIIO_CONTROL_READ;
2877 CDB[0] = cmd;
2878 CDB[4] = 1; /*Spin up the disk */
2879 timeout = 15;
2880 break;
2881
2882 case REQUEST_SENSE:
2883 cmdLen = 6;
2884 CDB[0] = cmd;
2885 CDB[4] = io->size;
2886 dir = MPI_SCSIIO_CONTROL_READ;
2887 timeout = 10;
2888 break;
2889
2890 case READ_BUFFER:
2891 cmdLen = 10;
2892 dir = MPI_SCSIIO_CONTROL_READ;
2893 CDB[0] = cmd;
2894 if (io->flags & MPT_ICFLAG_ECHO) {
2895 CDB[1] = 0x0A;
2896 } else {
2897 CDB[1] = 0x02;
2898 }
2899
2900 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2901 CDB[1] |= 0x01;
2902 }
2903 CDB[6] = (io->size >> 16) & 0xFF;
2904 CDB[7] = (io->size >> 8) & 0xFF;
2905 CDB[8] = io->size & 0xFF;
2906 timeout = 10;
2907 break;
2908
2909 case WRITE_BUFFER:
2910 cmdLen = 10;
2911 dir = MPI_SCSIIO_CONTROL_WRITE;
2912 CDB[0] = cmd;
2913 if (io->flags & MPT_ICFLAG_ECHO) {
2914 CDB[1] = 0x0A;
2915 } else {
2916 CDB[1] = 0x02;
2917 }
2918 CDB[6] = (io->size >> 16) & 0xFF;
2919 CDB[7] = (io->size >> 8) & 0xFF;
2920 CDB[8] = io->size & 0xFF;
2921 timeout = 10;
2922 break;
2923
2924 case RESERVE:
2925 cmdLen = 6;
2926 dir = MPI_SCSIIO_CONTROL_READ;
2927 CDB[0] = cmd;
2928 timeout = 10;
2929 break;
2930
2931 case RELEASE:
2932 cmdLen = 6;
2933 dir = MPI_SCSIIO_CONTROL_READ;
2934 CDB[0] = cmd;
2935 timeout = 10;
2936 break;
2937
2938 case SYNCHRONIZE_CACHE:
2939 cmdLen = 10;
2940 dir = MPI_SCSIIO_CONTROL_READ;
2941 CDB[0] = cmd;
2942 // CDB[1] = 0x02; /* set immediate bit */
2943 timeout = 10;
2944 break;
2945
2946 default:
2947 /* Error Case */
2948 ret = -EFAULT;
2949 goto out;
2950 }
2951
2952 /* Get and Populate a free Frame
2953 * MsgContext set in mpt_get_msg_frame call
2954 */
2955 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
2956 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2957 ioc->name, __func__));
2958 ret = MPT_SCANDV_BUSY;
2959 goto out;
2960 }
2961
2962 pScsiReq = (SCSIIORequest_t *) mf;
2963
2964 /* Get the request index */
2965 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2966 ADD_INDEX_LOG(my_idx); /* for debug */
2967
2968 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2969 pScsiReq->TargetID = io->physDiskNum;
2970 pScsiReq->Bus = 0;
2971 pScsiReq->ChainOffset = 0;
2972 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2973 } else {
2974 pScsiReq->TargetID = io->id;
2975 pScsiReq->Bus = io->channel;
2976 pScsiReq->ChainOffset = 0;
2977 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2978 }
2979
2980 pScsiReq->CDBLength = cmdLen;
2981 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2982
2983 pScsiReq->Reserved = 0;
2984
2985 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
2986 /* MsgContext set in mpt_get_msg_fram call */
2987
2988 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
2989
2990 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2991 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
2992 else
2993 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2994
2995 if (cmd == REQUEST_SENSE) {
2996 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2997 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2998 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
2999 }
3000
3001 for (ii = 0; ii < 16; ii++)
3002 pScsiReq->CDB[ii] = CDB[ii];
3003
3004 pScsiReq->DataLength = cpu_to_le32(io->size);
3005 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
3006 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
3007
3008 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3009 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n",
3010 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
3011
3012 if (dir == MPI_SCSIIO_CONTROL_READ)
3013 ioc->add_sge((char *) &pScsiReq->SGL,
3014 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
3015 else
3016 ioc->add_sge((char *) &pScsiReq->SGL,
3017 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
3018
3019 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
3020 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
3021 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
3022 timeout*HZ);
3023 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
3024 ret = MPT_SCANDV_DID_RESET;
3025 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3026 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
3027 cmd));
3028 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
3029 mpt_free_msg_frame(ioc, mf);
3030 goto out;
3031 }
3032 if (!timeleft) {
3033 printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
3034 ioc->name, __func__);
3035 mpt_HardResetHandler(ioc, CAN_SLEEP);
3036 mpt_free_msg_frame(ioc, mf);
3037 }
3038 goto out;
3039 }
3040
3041 ret = ioc->internal_cmds.completion_code;
3042 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
3043 ioc->name, __func__, ret));
3044
3045 out:
3046 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
3047 mutex_unlock(&ioc->internal_cmds.mutex);
3048 return ret;
3049 }
3050
3051 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3052 /**
3053 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3054 * @hd: Pointer to a SCSI HOST structure
3055 * @vdevice: virtual target device
3056 *
3057 * Uses the ISR, but with special processing.
3058 * MUST be single-threaded.
3059 *
3060 */
3061 static void
3062 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3063 {
3064 INTERNAL_CMD iocmd;
3065
3066 /* Ignore hidden raid components, this is handled when the command
3067 * is sent to the volume
3068 */
3069 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3070 return;
3071
3072 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3073 !vdevice->configured_lun)
3074 return;
3075
3076 /* Following parameters will not change
3077 * in this routine.
3078 */
3079 iocmd.cmd = SYNCHRONIZE_CACHE;
3080 iocmd.flags = 0;
3081 iocmd.physDiskNum = -1;
3082 iocmd.data = NULL;
3083 iocmd.data_dma = -1;
3084 iocmd.size = 0;
3085 iocmd.rsvd = iocmd.rsvd2 = 0;
3086 iocmd.channel = vdevice->vtarget->channel;
3087 iocmd.id = vdevice->vtarget->id;
3088 iocmd.lun = vdevice->lun;
3089
3090 mptscsih_do_cmd(hd, &iocmd);
3091 }
3092
3093 static ssize_t
3094 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3095 char *buf)
3096 {
3097 struct Scsi_Host *host = class_to_shost(dev);
3098 MPT_SCSI_HOST *hd = shost_priv(host);
3099 MPT_ADAPTER *ioc = hd->ioc;
3100
3101 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3102 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3103 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3104 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3105 ioc->facts.FWVersion.Word & 0x000000FF);
3106 }
3107 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3108
3109 static ssize_t
3110 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3111 char *buf)
3112 {
3113 struct Scsi_Host *host = class_to_shost(dev);
3114 MPT_SCSI_HOST *hd = shost_priv(host);
3115 MPT_ADAPTER *ioc = hd->ioc;
3116
3117 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3118 (ioc->biosVersion & 0xFF000000) >> 24,
3119 (ioc->biosVersion & 0x00FF0000) >> 16,
3120 (ioc->biosVersion & 0x0000FF00) >> 8,
3121 ioc->biosVersion & 0x000000FF);
3122 }
3123 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3124
3125 static ssize_t
3126 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3127 char *buf)
3128 {
3129 struct Scsi_Host *host = class_to_shost(dev);
3130 MPT_SCSI_HOST *hd = shost_priv(host);
3131 MPT_ADAPTER *ioc = hd->ioc;
3132
3133 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3134 }
3135 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3136
3137 static ssize_t
3138 mptscsih_version_product_show(struct device *dev,
3139 struct device_attribute *attr,
3140 char *buf)
3141 {
3142 struct Scsi_Host *host = class_to_shost(dev);
3143 MPT_SCSI_HOST *hd = shost_priv(host);
3144 MPT_ADAPTER *ioc = hd->ioc;
3145
3146 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3147 }
3148 static DEVICE_ATTR(version_product, S_IRUGO,
3149 mptscsih_version_product_show, NULL);
3150
3151 static ssize_t
3152 mptscsih_version_nvdata_persistent_show(struct device *dev,
3153 struct device_attribute *attr,
3154 char *buf)
3155 {
3156 struct Scsi_Host *host = class_to_shost(dev);
3157 MPT_SCSI_HOST *hd = shost_priv(host);
3158 MPT_ADAPTER *ioc = hd->ioc;
3159
3160 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3161 ioc->nvdata_version_persistent);
3162 }
3163 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3164 mptscsih_version_nvdata_persistent_show, NULL);
3165
3166 static ssize_t
3167 mptscsih_version_nvdata_default_show(struct device *dev,
3168 struct device_attribute *attr, char *buf)
3169 {
3170 struct Scsi_Host *host = class_to_shost(dev);
3171 MPT_SCSI_HOST *hd = shost_priv(host);
3172 MPT_ADAPTER *ioc = hd->ioc;
3173
3174 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3175 }
3176 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3177 mptscsih_version_nvdata_default_show, NULL);
3178
3179 static ssize_t
3180 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3181 char *buf)
3182 {
3183 struct Scsi_Host *host = class_to_shost(dev);
3184 MPT_SCSI_HOST *hd = shost_priv(host);
3185 MPT_ADAPTER *ioc = hd->ioc;
3186
3187 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3188 }
3189 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3190
3191 static ssize_t
3192 mptscsih_board_assembly_show(struct device *dev,
3193 struct device_attribute *attr, char *buf)
3194 {
3195 struct Scsi_Host *host = class_to_shost(dev);
3196 MPT_SCSI_HOST *hd = shost_priv(host);
3197 MPT_ADAPTER *ioc = hd->ioc;
3198
3199 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3200 }
3201 static DEVICE_ATTR(board_assembly, S_IRUGO,
3202 mptscsih_board_assembly_show, NULL);
3203
3204 static ssize_t
3205 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3206 char *buf)
3207 {
3208 struct Scsi_Host *host = class_to_shost(dev);
3209 MPT_SCSI_HOST *hd = shost_priv(host);
3210 MPT_ADAPTER *ioc = hd->ioc;
3211
3212 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3213 }
3214 static DEVICE_ATTR(board_tracer, S_IRUGO,
3215 mptscsih_board_tracer_show, NULL);
3216
3217 static ssize_t
3218 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3219 char *buf)
3220 {
3221 struct Scsi_Host *host = class_to_shost(dev);
3222 MPT_SCSI_HOST *hd = shost_priv(host);
3223 MPT_ADAPTER *ioc = hd->ioc;
3224
3225 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3226 }
3227 static DEVICE_ATTR(io_delay, S_IRUGO,
3228 mptscsih_io_delay_show, NULL);
3229
3230 static ssize_t
3231 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3232 char *buf)
3233 {
3234 struct Scsi_Host *host = class_to_shost(dev);
3235 MPT_SCSI_HOST *hd = shost_priv(host);
3236 MPT_ADAPTER *ioc = hd->ioc;
3237
3238 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3239 }
3240 static DEVICE_ATTR(device_delay, S_IRUGO,
3241 mptscsih_device_delay_show, NULL);
3242
3243 static ssize_t
3244 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3245 char *buf)
3246 {
3247 struct Scsi_Host *host = class_to_shost(dev);
3248 MPT_SCSI_HOST *hd = shost_priv(host);
3249 MPT_ADAPTER *ioc = hd->ioc;
3250
3251 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3252 }
3253 static ssize_t
3254 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3255 const char *buf, size_t count)
3256 {
3257 struct Scsi_Host *host = class_to_shost(dev);
3258 MPT_SCSI_HOST *hd = shost_priv(host);
3259 MPT_ADAPTER *ioc = hd->ioc;
3260 int val = 0;
3261
3262 if (sscanf(buf, "%x", &val) != 1)
3263 return -EINVAL;
3264
3265 ioc->debug_level = val;
3266 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3267 ioc->name, ioc->debug_level);
3268 return strlen(buf);
3269 }
3270 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3271 mptscsih_debug_level_show, mptscsih_debug_level_store);
3272
3273 struct device_attribute *mptscsih_host_attrs[] = {
3274 &dev_attr_version_fw,
3275 &dev_attr_version_bios,
3276 &dev_attr_version_mpi,
3277 &dev_attr_version_product,
3278 &dev_attr_version_nvdata_persistent,
3279 &dev_attr_version_nvdata_default,
3280 &dev_attr_board_name,
3281 &dev_attr_board_assembly,
3282 &dev_attr_board_tracer,
3283 &dev_attr_io_delay,
3284 &dev_attr_device_delay,
3285 &dev_attr_debug_level,
3286 NULL,
3287 };
3288
3289 EXPORT_SYMBOL(mptscsih_host_attrs);
3290
3291 EXPORT_SYMBOL(mptscsih_remove);
3292 EXPORT_SYMBOL(mptscsih_shutdown);
3293 #ifdef CONFIG_PM
3294 EXPORT_SYMBOL(mptscsih_suspend);
3295 EXPORT_SYMBOL(mptscsih_resume);
3296 #endif
3297 EXPORT_SYMBOL(mptscsih_proc_info);
3298 EXPORT_SYMBOL(mptscsih_info);
3299 EXPORT_SYMBOL(mptscsih_qcmd);
3300 EXPORT_SYMBOL(mptscsih_slave_destroy);
3301 EXPORT_SYMBOL(mptscsih_slave_configure);
3302 EXPORT_SYMBOL(mptscsih_abort);
3303 EXPORT_SYMBOL(mptscsih_dev_reset);
3304 EXPORT_SYMBOL(mptscsih_bus_reset);
3305 EXPORT_SYMBOL(mptscsih_host_reset);
3306 EXPORT_SYMBOL(mptscsih_bios_param);
3307 EXPORT_SYMBOL(mptscsih_io_done);
3308 EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3309 EXPORT_SYMBOL(mptscsih_scandv_complete);
3310 EXPORT_SYMBOL(mptscsih_event_process);
3311 EXPORT_SYMBOL(mptscsih_ioc_reset);
3312 EXPORT_SYMBOL(mptscsih_change_queue_depth);
3313
3314 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Linux ARM platform port for MOXA ART SoC