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Add linux-next specific files for 20110831
[linux-2.6/next.git] / drivers / message / fusion / mptscsih.c
blobced6e4dc0847a1dc76fa2d677f4e5962506322f0
1 /*
2 * linux/drivers/message/fusion/mptscsih.c
3 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
5 *
6 * Copyright (c) 1999-2008 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
8 *
9 */
10 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
11 /*
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; version 2 of the License.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 NO WARRANTY
22 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
23 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
24 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
25 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
26 solely responsible for determining the appropriateness of using and
27 distributing the Program and assumes all risks associated with its
28 exercise of rights under this Agreement, including but not limited to
29 the risks and costs of program errors, damage to or loss of data,
30 programs or equipment, and unavailability or interruption of operations.
31
32 DISCLAIMER OF LIABILITY
33 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
34 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
36 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
37 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
38 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
39 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
40
41 You should have received a copy of the GNU General Public License
42 along with this program; if not, write to the Free Software
43 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
44 */
45 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
46
47 #include <linux/module.h>
48 #include <linux/kernel.h>
49 #include <linux/slab.h>
50 #include <linux/init.h>
51 #include <linux/errno.h>
52 #include <linux/kdev_t.h>
53 #include <linux/blkdev.h>
54 #include <linux/delay.h> /* for mdelay */
55 #include <linux/interrupt.h> /* needed for in_interrupt() proto */
56 #include <linux/reboot.h> /* notifier code */
57 #include <linux/workqueue.h>
58
59 #include <scsi/scsi.h>
60 #include <scsi/scsi_cmnd.h>
61 #include <scsi/scsi_device.h>
62 #include <scsi/scsi_host.h>
63 #include <scsi/scsi_tcq.h>
64 #include <scsi/scsi_dbg.h>
65
66 #include "mptbase.h"
67 #include "mptscsih.h"
68 #include "lsi/mpi_log_sas.h"
69
70 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
71 #define my_NAME "Fusion MPT SCSI Host driver"
72 #define my_VERSION MPT_LINUX_VERSION_COMMON
73 #define MYNAM "mptscsih"
74
75 MODULE_AUTHOR(MODULEAUTHOR);
76 MODULE_DESCRIPTION(my_NAME);
77 MODULE_LICENSE("GPL");
78 MODULE_VERSION(my_VERSION);
79
80 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
81 /*
82 * Other private/forward protos...
83 */
84 struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
85 static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
86 static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
87 static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
88 int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
89 static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
90 int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
91
92 static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
93 SCSIIORequest_t *pReq, int req_idx);
94 static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
95 static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
96
97 int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
98 int lun, int ctx2abort, ulong timeout);
99
100 int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
101 int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
102
103 void
104 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
105 static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
106 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
107 int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
108 static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
109 static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
110
111 static int
112 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
113 SCSITaskMgmtReply_t *pScsiTmReply);
114 void mptscsih_remove(struct pci_dev *);
115 void mptscsih_shutdown(struct pci_dev *);
116 #ifdef CONFIG_PM
117 int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
118 int mptscsih_resume(struct pci_dev *pdev);
119 #endif
120
121 #define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE
122
123
124 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
125 /*
126 * mptscsih_getFreeChainBuffer - Function to get a free chain
127 * from the MPT_SCSI_HOST FreeChainQ.
128 * @ioc: Pointer to MPT_ADAPTER structure
129 * @req_idx: Index of the SCSI IO request frame. (output)
130 *
131 * return SUCCESS or FAILED
132 */
133 static inline int
134 mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
135 {
136 MPT_FRAME_HDR *chainBuf;
137 unsigned long flags;
138 int rc;
139 int chain_idx;
140
141 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
142 ioc->name));
143 spin_lock_irqsave(&ioc->FreeQlock, flags);
144 if (!list_empty(&ioc->FreeChainQ)) {
145 int offset;
146
147 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
148 u.frame.linkage.list);
149 list_del(&chainBuf->u.frame.linkage.list);
150 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
151 chain_idx = offset / ioc->req_sz;
152 rc = SUCCESS;
153 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
154 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
155 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
156 } else {
157 rc = FAILED;
158 chain_idx = MPT_HOST_NO_CHAIN;
159 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
160 ioc->name));
161 }
162 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
163
164 *retIndex = chain_idx;
165 return rc;
166 } /* mptscsih_getFreeChainBuffer() */
167
168 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
169 /*
170 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
171 * SCSIIORequest_t Message Frame.
172 * @ioc: Pointer to MPT_ADAPTER structure
173 * @SCpnt: Pointer to scsi_cmnd structure
174 * @pReq: Pointer to SCSIIORequest_t structure
175 *
176 * Returns ...
177 */
178 static int
179 mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
180 SCSIIORequest_t *pReq, int req_idx)
181 {
182 char *psge;
183 char *chainSge;
184 struct scatterlist *sg;
185 int frm_sz;
186 int sges_left, sg_done;
187 int chain_idx = MPT_HOST_NO_CHAIN;
188 int sgeOffset;
189 int numSgeSlots, numSgeThisFrame;
190 u32 sgflags, sgdir, thisxfer = 0;
191 int chain_dma_off = 0;
192 int newIndex;
193 int ii;
194 dma_addr_t v2;
195 u32 RequestNB;
196
197 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
198 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
199 sgdir = MPT_TRANSFER_HOST_TO_IOC;
200 } else {
201 sgdir = MPT_TRANSFER_IOC_TO_HOST;
202 }
203
204 psge = (char *) &pReq->SGL;
205 frm_sz = ioc->req_sz;
206
207 /* Map the data portion, if any.
208 * sges_left = 0 if no data transfer.
209 */
210 sges_left = scsi_dma_map(SCpnt);
211 if (sges_left < 0)
212 return FAILED;
213
214 /* Handle the SG case.
215 */
216 sg = scsi_sglist(SCpnt);
217 sg_done = 0;
218 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
219 chainSge = NULL;
220
221 /* Prior to entering this loop - the following must be set
222 * current MF: sgeOffset (bytes)
223 * chainSge (Null if original MF is not a chain buffer)
224 * sg_done (num SGE done for this MF)
225 */
226
227 nextSGEset:
228 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
229 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
230
231 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
232
233 /* Get first (num - 1) SG elements
234 * Skip any SG entries with a length of 0
235 * NOTE: at finish, sg and psge pointed to NEXT data/location positions
236 */
237 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
238 thisxfer = sg_dma_len(sg);
239 if (thisxfer == 0) {
240 /* Get next SG element from the OS */
241 sg = sg_next(sg);
242 sg_done++;
243 continue;
244 }
245
246 v2 = sg_dma_address(sg);
247 ioc->add_sge(psge, sgflags | thisxfer, v2);
248
249 /* Get next SG element from the OS */
250 sg = sg_next(sg);
251 psge += ioc->SGE_size;
252 sgeOffset += ioc->SGE_size;
253 sg_done++;
254 }
255
256 if (numSgeThisFrame == sges_left) {
257 /* Add last element, end of buffer and end of list flags.
258 */
259 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
260 MPT_SGE_FLAGS_END_OF_BUFFER |
261 MPT_SGE_FLAGS_END_OF_LIST;
262
263 /* Add last SGE and set termination flags.
264 * Note: Last SGE may have a length of 0 - which should be ok.
265 */
266 thisxfer = sg_dma_len(sg);
267
268 v2 = sg_dma_address(sg);
269 ioc->add_sge(psge, sgflags | thisxfer, v2);
270 sgeOffset += ioc->SGE_size;
271 sg_done++;
272
273 if (chainSge) {
274 /* The current buffer is a chain buffer,
275 * but there is not another one.
276 * Update the chain element
277 * Offset and Length fields.
278 */
279 ioc->add_chain((char *)chainSge, 0, sgeOffset,
280 ioc->ChainBufferDMA + chain_dma_off);
281 } else {
282 /* The current buffer is the original MF
283 * and there is no Chain buffer.
284 */
285 pReq->ChainOffset = 0;
286 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
287 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
288 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
289 ioc->RequestNB[req_idx] = RequestNB;
290 }
291 } else {
292 /* At least one chain buffer is needed.
293 * Complete the first MF
294 * - last SGE element, set the LastElement bit
295 * - set ChainOffset (words) for orig MF
296 * (OR finish previous MF chain buffer)
297 * - update MFStructPtr ChainIndex
298 * - Populate chain element
299 * Also
300 * Loop until done.
301 */
302
303 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
304 ioc->name, sg_done));
305
306 /* Set LAST_ELEMENT flag for last non-chain element
307 * in the buffer. Since psge points at the NEXT
308 * SGE element, go back one SGE element, update the flags
309 * and reset the pointer. (Note: sgflags & thisxfer are already
310 * set properly).
311 */
312 if (sg_done) {
313 u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
314 sgflags = le32_to_cpu(*ptmp);
315 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
316 *ptmp = cpu_to_le32(sgflags);
317 }
318
319 if (chainSge) {
320 /* The current buffer is a chain buffer.
321 * chainSge points to the previous Chain Element.
322 * Update its chain element Offset and Length (must
323 * include chain element size) fields.
324 * Old chain element is now complete.
325 */
326 u8 nextChain = (u8) (sgeOffset >> 2);
327 sgeOffset += ioc->SGE_size;
328 ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
329 ioc->ChainBufferDMA + chain_dma_off);
330 } else {
331 /* The original MF buffer requires a chain buffer -
332 * set the offset.
333 * Last element in this MF is a chain element.
334 */
335 pReq->ChainOffset = (u8) (sgeOffset >> 2);
336 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
337 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
338 ioc->RequestNB[req_idx] = RequestNB;
339 }
340
341 sges_left -= sg_done;
342
343
344 /* NOTE: psge points to the beginning of the chain element
345 * in current buffer. Get a chain buffer.
346 */
347 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
348 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
349 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
350 ioc->name, pReq->CDB[0], SCpnt));
351 return FAILED;
352 }
353
354 /* Update the tracking arrays.
355 * If chainSge == NULL, update ReqToChain, else ChainToChain
356 */
357 if (chainSge) {
358 ioc->ChainToChain[chain_idx] = newIndex;
359 } else {
360 ioc->ReqToChain[req_idx] = newIndex;
361 }
362 chain_idx = newIndex;
363 chain_dma_off = ioc->req_sz * chain_idx;
364
365 /* Populate the chainSGE for the current buffer.
366 * - Set chain buffer pointer to psge and fill
367 * out the Address and Flags fields.
368 */
369 chainSge = (char *) psge;
370 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
371 ioc->name, psge, req_idx));
372
373 /* Start the SGE for the next buffer
374 */
375 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
376 sgeOffset = 0;
377 sg_done = 0;
378
379 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
380 ioc->name, psge, chain_idx));
381
382 /* Start the SGE for the next buffer
383 */
384
385 goto nextSGEset;
386 }
387
388 return SUCCESS;
389 } /* mptscsih_AddSGE() */
390
391 static void
392 mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
393 U32 SlotStatus)
394 {
395 MPT_FRAME_HDR *mf;
396 SEPRequest_t *SEPMsg;
397
398 if (ioc->bus_type != SAS)
399 return;
400
401 /* Not supported for hidden raid components
402 */
403 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
404 return;
405
406 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
407 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
408 ioc->name,__func__));
409 return;
410 }
411
412 SEPMsg = (SEPRequest_t *)mf;
413 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
414 SEPMsg->Bus = vtarget->channel;
415 SEPMsg->TargetID = vtarget->id;
416 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
417 SEPMsg->SlotStatus = SlotStatus;
418 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
419 "Sending SEP cmd=%x channel=%d id=%d\n",
420 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
421 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
422 }
423
424 #ifdef CONFIG_FUSION_LOGGING
425 /**
426 * mptscsih_info_scsiio - debug print info on reply frame
427 * @ioc: Pointer to MPT_ADAPTER structure
428 * @sc: original scsi cmnd pointer
429 * @pScsiReply: Pointer to MPT reply frame
430 *
431 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
432 *
433 * Refer to lsi/mpi.h.
434 **/
435 static void
436 mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
437 {
438 char *desc = NULL;
439 char *desc1 = NULL;
440 u16 ioc_status;
441 u8 skey, asc, ascq;
442
443 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
444
445 switch (ioc_status) {
446
447 case MPI_IOCSTATUS_SUCCESS:
448 desc = "success";
449 break;
450 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
451 desc = "invalid bus";
452 break;
453 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
454 desc = "invalid target_id";
455 break;
456 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
457 desc = "device not there";
458 break;
459 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
460 desc = "data overrun";
461 break;
462 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
463 desc = "data underrun";
464 break;
465 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
466 desc = "I/O data error";
467 break;
468 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
469 desc = "protocol error";
470 break;
471 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
472 desc = "task terminated";
473 break;
474 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
475 desc = "residual mismatch";
476 break;
477 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
478 desc = "task management failed";
479 break;
480 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
481 desc = "IOC terminated";
482 break;
483 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
484 desc = "ext terminated";
485 break;
486 default:
487 desc = "";
488 break;
489 }
490
491 switch (pScsiReply->SCSIStatus)
492 {
493
494 case MPI_SCSI_STATUS_SUCCESS:
495 desc1 = "success";
496 break;
497 case MPI_SCSI_STATUS_CHECK_CONDITION:
498 desc1 = "check condition";
499 break;
500 case MPI_SCSI_STATUS_CONDITION_MET:
501 desc1 = "condition met";
502 break;
503 case MPI_SCSI_STATUS_BUSY:
504 desc1 = "busy";
505 break;
506 case MPI_SCSI_STATUS_INTERMEDIATE:
507 desc1 = "intermediate";
508 break;
509 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
510 desc1 = "intermediate condmet";
511 break;
512 case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
513 desc1 = "reservation conflict";
514 break;
515 case MPI_SCSI_STATUS_COMMAND_TERMINATED:
516 desc1 = "command terminated";
517 break;
518 case MPI_SCSI_STATUS_TASK_SET_FULL:
519 desc1 = "task set full";
520 break;
521 case MPI_SCSI_STATUS_ACA_ACTIVE:
522 desc1 = "aca active";
523 break;
524 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
525 desc1 = "fcpext device logged out";
526 break;
527 case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
528 desc1 = "fcpext no link";
529 break;
530 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
531 desc1 = "fcpext unassigned";
532 break;
533 default:
534 desc1 = "";
535 break;
536 }
537
538 scsi_print_command(sc);
539 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %d\n",
540 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
541 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
542 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
543 scsi_get_resid(sc));
544 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
545 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
546 le32_to_cpu(pScsiReply->TransferCount), sc->result);
547
548 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
549 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
550 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
551 pScsiReply->SCSIState);
552
553 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
554 skey = sc->sense_buffer[2] & 0x0F;
555 asc = sc->sense_buffer[12];
556 ascq = sc->sense_buffer[13];
557
558 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
559 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
560 }
561
562 /*
563 * Look for + dump FCP ResponseInfo[]!
564 */
565 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
566 pScsiReply->ResponseInfo)
567 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
568 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
569 }
570 #endif
571
572 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
573 /*
574 * mptscsih_io_done - Main SCSI IO callback routine registered to
575 * Fusion MPT (base) driver
576 * @ioc: Pointer to MPT_ADAPTER structure
577 * @mf: Pointer to original MPT request frame
578 * @r: Pointer to MPT reply frame (NULL if TurboReply)
579 *
580 * This routine is called from mpt.c::mpt_interrupt() at the completion
581 * of any SCSI IO request.
582 * This routine is registered with the Fusion MPT (base) driver at driver
583 * load/init time via the mpt_register() API call.
584 *
585 * Returns 1 indicating alloc'd request frame ptr should be freed.
586 */
587 int
588 mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
589 {
590 struct scsi_cmnd *sc;
591 MPT_SCSI_HOST *hd;
592 SCSIIORequest_t *pScsiReq;
593 SCSIIOReply_t *pScsiReply;
594 u16 req_idx, req_idx_MR;
595 VirtDevice *vdevice;
596 VirtTarget *vtarget;
597
598 hd = shost_priv(ioc->sh);
599 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
600 req_idx_MR = (mr != NULL) ?
601 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
602
603 /* Special case, where already freed message frame is received from
604 * Firmware. It happens with Resetting IOC.
605 * Return immediately. Do not care
606 */
607 if ((req_idx != req_idx_MR) ||
608 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
609 return 0;
610
611 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
612 if (sc == NULL) {
613 MPIHeader_t *hdr = (MPIHeader_t *)mf;
614
615 /* Remark: writeSDP1 will use the ScsiDoneCtx
616 * If a SCSI I/O cmd, device disabled by OS and
617 * completion done. Cannot touch sc struct. Just free mem.
618 */
619 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
620 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
621 ioc->name);
622
623 mptscsih_freeChainBuffers(ioc, req_idx);
624 return 1;
625 }
626
627 if ((unsigned char *)mf != sc->host_scribble) {
628 mptscsih_freeChainBuffers(ioc, req_idx);
629 return 1;
630 }
631
632 if (ioc->bus_type == SAS) {
633 VirtDevice *vdevice = sc->device->hostdata;
634
635 if (!vdevice || !vdevice->vtarget ||
636 vdevice->vtarget->deleted) {
637 sc->result = DID_NO_CONNECT << 16;
638 goto out;
639 }
640 }
641
642 sc->host_scribble = NULL;
643 sc->result = DID_OK << 16; /* Set default reply as OK */
644 pScsiReq = (SCSIIORequest_t *) mf;
645 pScsiReply = (SCSIIOReply_t *) mr;
646
647 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
648 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
649 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
650 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
651 }else{
652 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
653 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
654 ioc->name, mf, mr, sc, req_idx));
655 }
656
657 if (pScsiReply == NULL) {
658 /* special context reply handling */
659 ;
660 } else {
661 u32 xfer_cnt;
662 u16 status;
663 u8 scsi_state, scsi_status;
664 u32 log_info;
665
666 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
667
668 scsi_state = pScsiReply->SCSIState;
669 scsi_status = pScsiReply->SCSIStatus;
670 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
671 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
672 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
673
674 /*
675 * if we get a data underrun indication, yet no data was
676 * transferred and the SCSI status indicates that the
677 * command was never started, change the data underrun
678 * to success
679 */
680 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
681 (scsi_status == MPI_SCSI_STATUS_BUSY ||
682 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
683 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
684 status = MPI_IOCSTATUS_SUCCESS;
685 }
686
687 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
688 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
689
690 /*
691 * Look for + dump FCP ResponseInfo[]!
692 */
693 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
694 pScsiReply->ResponseInfo) {
695 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%d] "
696 "FCP_ResponseInfo=%08xh\n", ioc->name,
697 sc->device->host->host_no, sc->device->channel,
698 sc->device->id, sc->device->lun,
699 le32_to_cpu(pScsiReply->ResponseInfo));
700 }
701
702 switch(status) {
703 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
704 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
705 /* CHECKME!
706 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
707 * But not: DID_BUS_BUSY lest one risk
708 * killing interrupt handler:-(
709 */
710 sc->result = SAM_STAT_BUSY;
711 break;
712
713 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
714 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
715 sc->result = DID_BAD_TARGET << 16;
716 break;
717
718 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
719 /* Spoof to SCSI Selection Timeout! */
720 if (ioc->bus_type != FC)
721 sc->result = DID_NO_CONNECT << 16;
722 /* else fibre, just stall until rescan event */
723 else
724 sc->result = DID_REQUEUE << 16;
725
726 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
727 hd->sel_timeout[pScsiReq->TargetID]++;
728
729 vdevice = sc->device->hostdata;
730 if (!vdevice)
731 break;
732 vtarget = vdevice->vtarget;
733 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
734 mptscsih_issue_sep_command(ioc, vtarget,
735 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
736 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
737 }
738 break;
739
740 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
741 if ( ioc->bus_type == SAS ) {
742 u16 ioc_status =
743 le16_to_cpu(pScsiReply->IOCStatus);
744 if ((ioc_status &
745 MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
746 &&
747 ((log_info & SAS_LOGINFO_MASK) ==
748 SAS_LOGINFO_NEXUS_LOSS)) {
749 VirtDevice *vdevice =
750 sc->device->hostdata;
751
752 /* flag the device as being in
753 * device removal delay so we can
754 * notify the midlayer to hold off
755 * on timeout eh */
756 if (vdevice && vdevice->
757 vtarget &&
758 vdevice->vtarget->
759 raidVolume)
760 printk(KERN_INFO
761 "Skipping Raid Volume"
762 "for inDMD\n");
763 else if (vdevice &&
764 vdevice->vtarget)
765 vdevice->vtarget->
766 inDMD = 1;
767
768 sc->result =
769 (DID_TRANSPORT_DISRUPTED
770 << 16);
771 break;
772 }
773 } else if (ioc->bus_type == FC) {
774 /*
775 * The FC IOC may kill a request for variety of
776 * reasons, some of which may be recovered by a
777 * retry, some which are unlikely to be
778 * recovered. Return DID_ERROR instead of
779 * DID_RESET to permit retry of the command,
780 * just not an infinite number of them
781 */
782 sc->result = DID_ERROR << 16;
783 break;
784 }
785
786 /*
787 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
788 */
789
790 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
791 /* Linux handles an unsolicited DID_RESET better
792 * than an unsolicited DID_ABORT.
793 */
794 sc->result = DID_RESET << 16;
795
796 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
797 if (ioc->bus_type == FC)
798 sc->result = DID_ERROR << 16;
799 else
800 sc->result = DID_RESET << 16;
801 break;
802
803 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
804 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
805 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
806 sc->result=DID_SOFT_ERROR << 16;
807 else /* Sufficient data transfer occurred */
808 sc->result = (DID_OK << 16) | scsi_status;
809 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
810 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
811 ioc->name, sc->result, sc->device->channel, sc->device->id));
812 break;
813
814 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
815 /*
816 * Do upfront check for valid SenseData and give it
817 * precedence!
818 */
819 sc->result = (DID_OK << 16) | scsi_status;
820 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
821
822 /*
823 * For an Errata on LSI53C1030
824 * When the length of request data
825 * and transfer data are different
826 * with result of command (READ or VERIFY),
827 * DID_SOFT_ERROR is set.
828 */
829 if (ioc->bus_type == SPI) {
830 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
831 pScsiReq->CDB[0] == READ_10 ||
832 pScsiReq->CDB[0] == READ_12 ||
833 pScsiReq->CDB[0] == READ_16 ||
834 pScsiReq->CDB[0] == VERIFY ||
835 pScsiReq->CDB[0] == VERIFY_16) {
836 if (scsi_bufflen(sc) !=
837 xfer_cnt) {
838 sc->result =
839 DID_SOFT_ERROR << 16;
840 printk(KERN_WARNING "Errata"
841 "on LSI53C1030 occurred."
842 "sc->req_bufflen=0x%02x,"
843 "xfer_cnt=0x%02x\n",
844 scsi_bufflen(sc),
845 xfer_cnt);
846 }
847 }
848 }
849
850 if (xfer_cnt < sc->underflow) {
851 if (scsi_status == SAM_STAT_BUSY)
852 sc->result = SAM_STAT_BUSY;
853 else
854 sc->result = DID_SOFT_ERROR << 16;
855 }
856 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
857 /* What to do?
858 */
859 sc->result = DID_SOFT_ERROR << 16;
860 }
861 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
862 /* Not real sure here either... */
863 sc->result = DID_RESET << 16;
864 }
865 }
866
867
868 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
869 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
870 ioc->name, sc->underflow));
871 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
872 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
873
874 /* Report Queue Full
875 */
876 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
877 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
878
879 break;
880
881 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
882 scsi_set_resid(sc, 0);
883 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
884 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
885 sc->result = (DID_OK << 16) | scsi_status;
886 if (scsi_state == 0) {
887 ;
888 } else if (scsi_state &
889 MPI_SCSI_STATE_AUTOSENSE_VALID) {
890
891 /*
892 * For potential trouble on LSI53C1030.
893 * (date:2007.xx.)
894 * It is checked whether the length of
895 * request data is equal to
896 * the length of transfer and residual.
897 * MEDIUM_ERROR is set by incorrect data.
898 */
899 if ((ioc->bus_type == SPI) &&
900 (sc->sense_buffer[2] & 0x20)) {
901 u32 difftransfer;
902 difftransfer =
903 sc->sense_buffer[3] << 24 |
904 sc->sense_buffer[4] << 16 |
905 sc->sense_buffer[5] << 8 |
906 sc->sense_buffer[6];
907 if (((sc->sense_buffer[3] & 0x80) ==
908 0x80) && (scsi_bufflen(sc)
909 != xfer_cnt)) {
910 sc->sense_buffer[2] =
911 MEDIUM_ERROR;
912 sc->sense_buffer[12] = 0xff;
913 sc->sense_buffer[13] = 0xff;
914 printk(KERN_WARNING"Errata"
915 "on LSI53C1030 occurred."
916 "sc->req_bufflen=0x%02x,"
917 "xfer_cnt=0x%02x\n" ,
918 scsi_bufflen(sc),
919 xfer_cnt);
920 }
921 if (((sc->sense_buffer[3] & 0x80)
922 != 0x80) &&
923 (scsi_bufflen(sc) !=
924 xfer_cnt + difftransfer)) {
925 sc->sense_buffer[2] =
926 MEDIUM_ERROR;
927 sc->sense_buffer[12] = 0xff;
928 sc->sense_buffer[13] = 0xff;
929 printk(KERN_WARNING
930 "Errata on LSI53C1030 occurred"
931 "sc->req_bufflen=0x%02x,"
932 " xfer_cnt=0x%02x,"
933 "difftransfer=0x%02x\n",
934 scsi_bufflen(sc),
935 xfer_cnt,
936 difftransfer);
937 }
938 }
939
940 /*
941 * If running against circa 200003dd 909 MPT f/w,
942 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
943 * (QUEUE_FULL) returned from device! --> get 0x0000?128
944 * and with SenseBytes set to 0.
945 */
946 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
947 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
948
949 }
950 else if (scsi_state &
951 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
952 ) {
953 /*
954 * What to do?
955 */
956 sc->result = DID_SOFT_ERROR << 16;
957 }
958 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
959 /* Not real sure here either... */
960 sc->result = DID_RESET << 16;
961 }
962 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
963 /* Device Inq. data indicates that it supports
964 * QTags, but rejects QTag messages.
965 * This command completed OK.
966 *
967 * Not real sure here either so do nothing... */
968 }
969
970 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
971 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
972
973 /* Add handling of:
974 * Reservation Conflict, Busy,
975 * Command Terminated, CHECK
976 */
977 break;
978
979 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
980 sc->result = DID_SOFT_ERROR << 16;
981 break;
982
983 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
984 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
985 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
986 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
987 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
988 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
989 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
990 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
991 default:
992 /*
993 * What to do?
994 */
995 sc->result = DID_SOFT_ERROR << 16;
996 break;
997
998 } /* switch(status) */
999
1000 #ifdef CONFIG_FUSION_LOGGING
1001 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
1002 mptscsih_info_scsiio(ioc, sc, pScsiReply);
1003 #endif
1004
1005 } /* end of address reply case */
1006 out:
1007 /* Unmap the DMA buffers, if any. */
1008 scsi_dma_unmap(sc);
1009
1010 sc->scsi_done(sc); /* Issue the command callback */
1011
1012 /* Free Chain buffers */
1013 mptscsih_freeChainBuffers(ioc, req_idx);
1014 return 1;
1015 }
1016
1017 /*
1018 * mptscsih_flush_running_cmds - For each command found, search
1019 * Scsi_Host instance taskQ and reply to OS.
1020 * Called only if recovering from a FW reload.
1021 * @hd: Pointer to a SCSI HOST structure
1022 *
1023 * Returns: None.
1024 *
1025 * Must be called while new I/Os are being queued.
1026 */
1027 void
1028 mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1029 {
1030 MPT_ADAPTER *ioc = hd->ioc;
1031 struct scsi_cmnd *sc;
1032 SCSIIORequest_t *mf = NULL;
1033 int ii;
1034 int channel, id;
1035
1036 for (ii= 0; ii < ioc->req_depth; ii++) {
1037 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1038 if (!sc)
1039 continue;
1040 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1041 if (!mf)
1042 continue;
1043 channel = mf->Bus;
1044 id = mf->TargetID;
1045 mptscsih_freeChainBuffers(ioc, ii);
1046 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1047 if ((unsigned char *)mf != sc->host_scribble)
1048 continue;
1049 scsi_dma_unmap(sc);
1050 sc->result = DID_RESET << 16;
1051 sc->host_scribble = NULL;
1052 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1053 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1054 "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
1055 sc->scsi_done(sc);
1056 }
1057 }
1058 EXPORT_SYMBOL(mptscsih_flush_running_cmds);
1059
1060 /*
1061 * mptscsih_search_running_cmds - Delete any commands associated
1062 * with the specified target and lun. Function called only
1063 * when a lun is disable by mid-layer.
1064 * Do NOT access the referenced scsi_cmnd structure or
1065 * members. Will cause either a paging or NULL ptr error.
1066 * (BUT, BUT, BUT, the code does reference it! - mdr)
1067 * @hd: Pointer to a SCSI HOST structure
1068 * @vdevice: per device private data
1069 *
1070 * Returns: None.
1071 *
1072 * Called from slave_destroy.
1073 */
1074 static void
1075 mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1076 {
1077 SCSIIORequest_t *mf = NULL;
1078 int ii;
1079 struct scsi_cmnd *sc;
1080 struct scsi_lun lun;
1081 MPT_ADAPTER *ioc = hd->ioc;
1082 unsigned long flags;
1083
1084 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1085 for (ii = 0; ii < ioc->req_depth; ii++) {
1086 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
1087
1088 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1089 if (mf == NULL)
1090 continue;
1091 /* If the device is a hidden raid component, then its
1092 * expected that the mf->function will be RAID_SCSI_IO
1093 */
1094 if (vdevice->vtarget->tflags &
1095 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1096 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1097 continue;
1098
1099 int_to_scsilun(vdevice->lun, &lun);
1100 if ((mf->Bus != vdevice->vtarget->channel) ||
1101 (mf->TargetID != vdevice->vtarget->id) ||
1102 memcmp(lun.scsi_lun, mf->LUN, 8))
1103 continue;
1104
1105 if ((unsigned char *)mf != sc->host_scribble)
1106 continue;
1107 ioc->ScsiLookup[ii] = NULL;
1108 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1109 mptscsih_freeChainBuffers(ioc, ii);
1110 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1111 scsi_dma_unmap(sc);
1112 sc->host_scribble = NULL;
1113 sc->result = DID_NO_CONNECT << 16;
1114 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1115 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1116 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1117 vdevice->vtarget->channel, vdevice->vtarget->id,
1118 sc, mf, ii));
1119 sc->scsi_done(sc);
1120 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1121 }
1122 }
1123 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1124 return;
1125 }
1126
1127 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1128
1129 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1130 /*
1131 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
1132 * from a SCSI target device.
1133 * @sc: Pointer to scsi_cmnd structure
1134 * @pScsiReply: Pointer to SCSIIOReply_t
1135 * @pScsiReq: Pointer to original SCSI request
1136 *
1137 * This routine periodically reports QUEUE_FULL status returned from a
1138 * SCSI target device. It reports this to the console via kernel
1139 * printk() API call, not more than once every 10 seconds.
1140 */
1141 static void
1142 mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1143 {
1144 long time = jiffies;
1145 MPT_SCSI_HOST *hd;
1146 MPT_ADAPTER *ioc;
1147
1148 if (sc->device == NULL)
1149 return;
1150 if (sc->device->host == NULL)
1151 return;
1152 if ((hd = shost_priv(sc->device->host)) == NULL)
1153 return;
1154 ioc = hd->ioc;
1155 if (time - hd->last_queue_full > 10 * HZ) {
1156 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n",
1157 ioc->name, 0, sc->device->id, sc->device->lun));
1158 hd->last_queue_full = time;
1159 }
1160 }
1161
1162 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1163 /*
1164 * mptscsih_remove - Removed scsi devices
1165 * @pdev: Pointer to pci_dev structure
1166 *
1167 *
1168 */
1169 void
1170 mptscsih_remove(struct pci_dev *pdev)
1171 {
1172 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1173 struct Scsi_Host *host = ioc->sh;
1174 MPT_SCSI_HOST *hd;
1175 int sz1;
1176
1177 scsi_remove_host(host);
1178
1179 if((hd = shost_priv(host)) == NULL)
1180 return;
1181
1182 mptscsih_shutdown(pdev);
1183
1184 sz1=0;
1185
1186 if (ioc->ScsiLookup != NULL) {
1187 sz1 = ioc->req_depth * sizeof(void *);
1188 kfree(ioc->ScsiLookup);
1189 ioc->ScsiLookup = NULL;
1190 }
1191
1192 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1193 "Free'd ScsiLookup (%d) memory\n",
1194 ioc->name, sz1));
1195
1196 kfree(hd->info_kbuf);
1197
1198 /* NULL the Scsi_Host pointer
1199 */
1200 ioc->sh = NULL;
1201
1202 scsi_host_put(host);
1203
1204 mpt_detach(pdev);
1205
1206 }
1207
1208 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1209 /*
1210 * mptscsih_shutdown - reboot notifier
1211 *
1212 */
1213 void
1214 mptscsih_shutdown(struct pci_dev *pdev)
1215 {
1216 }
1217
1218 #ifdef CONFIG_PM
1219 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1220 /*
1221 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1222 *
1223 *
1224 */
1225 int
1226 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1227 {
1228 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1229
1230 scsi_block_requests(ioc->sh);
1231 flush_scheduled_work();
1232 mptscsih_shutdown(pdev);
1233 return mpt_suspend(pdev,state);
1234 }
1235
1236 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1237 /*
1238 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1239 *
1240 *
1241 */
1242 int
1243 mptscsih_resume(struct pci_dev *pdev)
1244 {
1245 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1246 int rc;
1247
1248 rc = mpt_resume(pdev);
1249 scsi_unblock_requests(ioc->sh);
1250 return rc;
1251 }
1252
1253 #endif
1254
1255 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1256 /**
1257 * mptscsih_info - Return information about MPT adapter
1258 * @SChost: Pointer to Scsi_Host structure
1259 *
1260 * (linux scsi_host_template.info routine)
1261 *
1262 * Returns pointer to buffer where information was written.
1263 */
1264 const char *
1265 mptscsih_info(struct Scsi_Host *SChost)
1266 {
1267 MPT_SCSI_HOST *h;
1268 int size = 0;
1269
1270 h = shost_priv(SChost);
1271
1272 if (h) {
1273 if (h->info_kbuf == NULL)
1274 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1275 return h->info_kbuf;
1276 h->info_kbuf[0] = '\0';
1277
1278 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1279 h->info_kbuf[size-1] = '\0';
1280 }
1281
1282 return h->info_kbuf;
1283 }
1284
1285 struct info_str {
1286 char *buffer;
1287 int length;
1288 int offset;
1289 int pos;
1290 };
1291
1292 static void
1293 mptscsih_copy_mem_info(struct info_str *info, char *data, int len)
1294 {
1295 if (info->pos + len > info->length)
1296 len = info->length - info->pos;
1297
1298 if (info->pos + len < info->offset) {
1299 info->pos += len;
1300 return;
1301 }
1302
1303 if (info->pos < info->offset) {
1304 data += (info->offset - info->pos);
1305 len -= (info->offset - info->pos);
1306 }
1307
1308 if (len > 0) {
1309 memcpy(info->buffer + info->pos, data, len);
1310 info->pos += len;
1311 }
1312 }
1313
1314 static int
1315 mptscsih_copy_info(struct info_str *info, char *fmt, ...)
1316 {
1317 va_list args;
1318 char buf[81];
1319 int len;
1320
1321 va_start(args, fmt);
1322 len = vsprintf(buf, fmt, args);
1323 va_end(args);
1324
1325 mptscsih_copy_mem_info(info, buf, len);
1326 return len;
1327 }
1328
1329 static int
1330 mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len)
1331 {
1332 struct info_str info;
1333
1334 info.buffer = pbuf;
1335 info.length = len;
1336 info.offset = offset;
1337 info.pos = 0;
1338
1339 mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name);
1340 mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1341 mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts);
1342 mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth);
1343
1344 return ((info.pos > info.offset) ? info.pos - info.offset : 0);
1345 }
1346
1347 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1348 /**
1349 * mptscsih_proc_info - Return information about MPT adapter
1350 * @host: scsi host struct
1351 * @buffer: if write, user data; if read, buffer for user
1352 * @start: returns the buffer address
1353 * @offset: if write, 0; if read, the current offset into the buffer from
1354 * the previous read.
1355 * @length: if write, return length;
1356 * @func: write = 1; read = 0
1357 *
1358 * (linux scsi_host_template.info routine)
1359 */
1360 int
1361 mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
1362 int length, int func)
1363 {
1364 MPT_SCSI_HOST *hd = shost_priv(host);
1365 MPT_ADAPTER *ioc = hd->ioc;
1366 int size = 0;
1367
1368 if (func) {
1369 /*
1370 * write is not supported
1371 */
1372 } else {
1373 if (start)
1374 *start = buffer;
1375
1376 size = mptscsih_host_info(ioc, buffer, offset, length);
1377 }
1378
1379 return size;
1380 }
1381
1382 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1383 #define ADD_INDEX_LOG(req_ent) do { } while(0)
1384
1385 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1386 /**
1387 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1388 * @SCpnt: Pointer to scsi_cmnd structure
1389 * @done: Pointer SCSI mid-layer IO completion function
1390 *
1391 * (linux scsi_host_template.queuecommand routine)
1392 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1393 * from a linux scsi_cmnd request and send it to the IOC.
1394 *
1395 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1396 */
1397 int
1398 mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1399 {
1400 MPT_SCSI_HOST *hd;
1401 MPT_FRAME_HDR *mf;
1402 SCSIIORequest_t *pScsiReq;
1403 VirtDevice *vdevice = SCpnt->device->hostdata;
1404 u32 datalen;
1405 u32 scsictl;
1406 u32 scsidir;
1407 u32 cmd_len;
1408 int my_idx;
1409 int ii;
1410 MPT_ADAPTER *ioc;
1411
1412 hd = shost_priv(SCpnt->device->host);
1413 ioc = hd->ioc;
1414 SCpnt->scsi_done = done;
1415
1416 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n",
1417 ioc->name, SCpnt, done));
1418
1419 if (ioc->taskmgmt_quiesce_io)
1420 return SCSI_MLQUEUE_HOST_BUSY;
1421
1422 /*
1423 * Put together a MPT SCSI request...
1424 */
1425 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1426 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1427 ioc->name));
1428 return SCSI_MLQUEUE_HOST_BUSY;
1429 }
1430
1431 pScsiReq = (SCSIIORequest_t *) mf;
1432
1433 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1434
1435 ADD_INDEX_LOG(my_idx);
1436
1437 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1438 * Seems we may receive a buffer (datalen>0) even when there
1439 * will be no data transfer! GRRRRR...
1440 */
1441 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1442 datalen = scsi_bufflen(SCpnt);
1443 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1444 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1445 datalen = scsi_bufflen(SCpnt);
1446 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1447 } else {
1448 datalen = 0;
1449 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1450 }
1451
1452 /* Default to untagged. Once a target structure has been allocated,
1453 * use the Inquiry data to determine if device supports tagged.
1454 */
1455 if (vdevice
1456 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
1457 && (SCpnt->device->tagged_supported)) {
1458 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1459 if (SCpnt->request && SCpnt->request->ioprio) {
1460 if (((SCpnt->request->ioprio & 0x7) == 1) ||
1461 !(SCpnt->request->ioprio & 0x7))
1462 scsictl |= MPI_SCSIIO_CONTROL_HEADOFQ;
1463 }
1464 } else
1465 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1466
1467
1468 /* Use the above information to set up the message frame
1469 */
1470 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1471 pScsiReq->Bus = vdevice->vtarget->channel;
1472 pScsiReq->ChainOffset = 0;
1473 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1474 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1475 else
1476 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1477 pScsiReq->CDBLength = SCpnt->cmd_len;
1478 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1479 pScsiReq->Reserved = 0;
1480 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1481 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1482 pScsiReq->Control = cpu_to_le32(scsictl);
1483
1484 /*
1485 * Write SCSI CDB into the message
1486 */
1487 cmd_len = SCpnt->cmd_len;
1488 for (ii=0; ii < cmd_len; ii++)
1489 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1490
1491 for (ii=cmd_len; ii < 16; ii++)
1492 pScsiReq->CDB[ii] = 0;
1493
1494 /* DataLength */
1495 pScsiReq->DataLength = cpu_to_le32(datalen);
1496
1497 /* SenseBuffer low address */
1498 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1499 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1500
1501 /* Now add the SG list
1502 * Always have a SGE even if null length.
1503 */
1504 if (datalen == 0) {
1505 /* Add a NULL SGE */
1506 ioc->add_sge((char *)&pScsiReq->SGL,
1507 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1508 (dma_addr_t) -1);
1509 } else {
1510 /* Add a 32 or 64 bit SGE */
1511 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1512 goto fail;
1513 }
1514
1515 SCpnt->host_scribble = (unsigned char *)mf;
1516 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1517
1518 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1519 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1520 ioc->name, SCpnt, mf, my_idx));
1521 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1522 return 0;
1523
1524 fail:
1525 mptscsih_freeChainBuffers(ioc, my_idx);
1526 mpt_free_msg_frame(ioc, mf);
1527 return SCSI_MLQUEUE_HOST_BUSY;
1528 }
1529
1530 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1531 /*
1532 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1533 * with a SCSI IO request
1534 * @hd: Pointer to the MPT_SCSI_HOST instance
1535 * @req_idx: Index of the SCSI IO request frame.
1536 *
1537 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1538 * No return.
1539 */
1540 static void
1541 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1542 {
1543 MPT_FRAME_HDR *chain;
1544 unsigned long flags;
1545 int chain_idx;
1546 int next;
1547
1548 /* Get the first chain index and reset
1549 * tracker state.
1550 */
1551 chain_idx = ioc->ReqToChain[req_idx];
1552 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1553
1554 while (chain_idx != MPT_HOST_NO_CHAIN) {
1555
1556 /* Save the next chain buffer index */
1557 next = ioc->ChainToChain[chain_idx];
1558
1559 /* Free this chain buffer and reset
1560 * tracker
1561 */
1562 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1563
1564 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1565 + (chain_idx * ioc->req_sz));
1566
1567 spin_lock_irqsave(&ioc->FreeQlock, flags);
1568 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1569 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1570
1571 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1572 ioc->name, chain_idx));
1573
1574 /* handle next */
1575 chain_idx = next;
1576 }
1577 return;
1578 }
1579
1580 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1581 /*
1582 * Reset Handling
1583 */
1584
1585 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1586 /**
1587 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1588 * @hd: Pointer to MPT_SCSI_HOST structure
1589 * @type: Task Management type
1590 * @channel: channel number for task management
1591 * @id: Logical Target ID for reset (if appropriate)
1592 * @lun: Logical Unit for reset (if appropriate)
1593 * @ctx2abort: Context for the task to be aborted (if appropriate)
1594 * @timeout: timeout for task management control
1595 *
1596 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1597 * or a non-interrupt thread. In the former, must not call schedule().
1598 *
1599 * Not all fields are meaningfull for all task types.
1600 *
1601 * Returns 0 for SUCCESS, or FAILED.
1602 *
1603 **/
1604 int
1605 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun,
1606 int ctx2abort, ulong timeout)
1607 {
1608 MPT_FRAME_HDR *mf;
1609 SCSITaskMgmt_t *pScsiTm;
1610 int ii;
1611 int retval;
1612 MPT_ADAPTER *ioc = hd->ioc;
1613 unsigned long timeleft;
1614 u8 issue_hard_reset;
1615 u32 ioc_raw_state;
1616 unsigned long time_count;
1617
1618 issue_hard_reset = 0;
1619 ioc_raw_state = mpt_GetIocState(ioc, 0);
1620
1621 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1622 printk(MYIOC_s_WARN_FMT
1623 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1624 ioc->name, type, ioc_raw_state);
1625 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1626 ioc->name, __func__);
1627 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1628 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1629 "FAILED!!\n", ioc->name);
1630 return 0;
1631 }
1632
1633 /* DOORBELL ACTIVE check is not required if
1634 * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported.
1635 */
1636
1637 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
1638 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
1639 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
1640 printk(MYIOC_s_WARN_FMT
1641 "TaskMgmt type=%x: ioc_state: "
1642 "DOORBELL_ACTIVE (0x%x)!\n",
1643 ioc->name, type, ioc_raw_state);
1644 return FAILED;
1645 }
1646
1647 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1648 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1649 mf = NULL;
1650 retval = FAILED;
1651 goto out;
1652 }
1653
1654 /* Return Fail to calling function if no message frames available.
1655 */
1656 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1657 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1658 "TaskMgmt no msg frames!!\n", ioc->name));
1659 retval = FAILED;
1660 mpt_clear_taskmgmt_in_progress_flag(ioc);
1661 goto out;
1662 }
1663 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1664 ioc->name, mf));
1665
1666 /* Format the Request
1667 */
1668 pScsiTm = (SCSITaskMgmt_t *) mf;
1669 pScsiTm->TargetID = id;
1670 pScsiTm->Bus = channel;
1671 pScsiTm->ChainOffset = 0;
1672 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1673
1674 pScsiTm->Reserved = 0;
1675 pScsiTm->TaskType = type;
1676 pScsiTm->Reserved1 = 0;
1677 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1678 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1679
1680 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1681
1682 for (ii=0; ii < 7; ii++)
1683 pScsiTm->Reserved2[ii] = 0;
1684
1685 pScsiTm->TaskMsgContext = ctx2abort;
1686
1687 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1688 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1689 type, timeout));
1690
1691 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1692
1693 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1694 time_count = jiffies;
1695 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1696 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1697 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1698 else {
1699 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1700 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1701 if (retval) {
1702 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1703 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1704 ioc->name, mf, retval));
1705 mpt_free_msg_frame(ioc, mf);
1706 mpt_clear_taskmgmt_in_progress_flag(ioc);
1707 goto out;
1708 }
1709 }
1710
1711 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1712 timeout*HZ);
1713 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1714 retval = FAILED;
1715 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1716 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1717 mpt_clear_taskmgmt_in_progress_flag(ioc);
1718 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1719 goto out;
1720 issue_hard_reset = 1;
1721 goto out;
1722 }
1723
1724 retval = mptscsih_taskmgmt_reply(ioc, type,
1725 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1726
1727 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1728 "TaskMgmt completed (%d seconds)\n",
1729 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1730
1731 out:
1732
1733 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1734 if (issue_hard_reset) {
1735 printk(MYIOC_s_WARN_FMT
1736 "Issuing Reset from %s!! doorbell=0x%08x\n",
1737 ioc->name, __func__, mpt_GetIocState(ioc, 0));
1738 retval = (ioc->bus_type == SAS) ?
1739 mpt_HardResetHandler(ioc, CAN_SLEEP) :
1740 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1741 mpt_free_msg_frame(ioc, mf);
1742 }
1743
1744 retval = (retval == 0) ? 0 : FAILED;
1745 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1746 return retval;
1747 }
1748 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1749
1750 static int
1751 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1752 {
1753 switch (ioc->bus_type) {
1754 case FC:
1755 return 40;
1756 case SAS:
1757 return 30;
1758 case SPI:
1759 default:
1760 return 10;
1761 }
1762 }
1763
1764 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1765 /**
1766 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1767 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1768 *
1769 * (linux scsi_host_template.eh_abort_handler routine)
1770 *
1771 * Returns SUCCESS or FAILED.
1772 **/
1773 int
1774 mptscsih_abort(struct scsi_cmnd * SCpnt)
1775 {
1776 MPT_SCSI_HOST *hd;
1777 MPT_FRAME_HDR *mf;
1778 u32 ctx2abort;
1779 int scpnt_idx;
1780 int retval;
1781 VirtDevice *vdevice;
1782 MPT_ADAPTER *ioc;
1783
1784 /* If we can't locate our host adapter structure, return FAILED status.
1785 */
1786 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1787 SCpnt->result = DID_RESET << 16;
1788 SCpnt->scsi_done(SCpnt);
1789 printk(KERN_ERR MYNAM ": task abort: "
1790 "can't locate host! (sc=%p)\n", SCpnt);
1791 return FAILED;
1792 }
1793
1794 ioc = hd->ioc;
1795 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1796 ioc->name, SCpnt);
1797 scsi_print_command(SCpnt);
1798
1799 vdevice = SCpnt->device->hostdata;
1800 if (!vdevice || !vdevice->vtarget) {
1801 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1802 "task abort: device has been deleted (sc=%p)\n",
1803 ioc->name, SCpnt));
1804 SCpnt->result = DID_NO_CONNECT << 16;
1805 SCpnt->scsi_done(SCpnt);
1806 retval = SUCCESS;
1807 goto out;
1808 }
1809
1810 /* Task aborts are not supported for hidden raid components.
1811 */
1812 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1813 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1814 "task abort: hidden raid component (sc=%p)\n",
1815 ioc->name, SCpnt));
1816 SCpnt->result = DID_RESET << 16;
1817 retval = FAILED;
1818 goto out;
1819 }
1820
1821 /* Task aborts are not supported for volumes.
1822 */
1823 if (vdevice->vtarget->raidVolume) {
1824 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1825 "task abort: raid volume (sc=%p)\n",
1826 ioc->name, SCpnt));
1827 SCpnt->result = DID_RESET << 16;
1828 retval = FAILED;
1829 goto out;
1830 }
1831
1832 /* Find this command
1833 */
1834 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1835 /* Cmd not found in ScsiLookup.
1836 * Do OS callback.
1837 */
1838 SCpnt->result = DID_RESET << 16;
1839 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1840 "Command not in the active list! (sc=%p)\n", ioc->name,
1841 SCpnt));
1842 retval = SUCCESS;
1843 goto out;
1844 }
1845
1846 if (ioc->timeouts < -1)
1847 ioc->timeouts++;
1848
1849 if (mpt_fwfault_debug)
1850 mpt_halt_firmware(ioc);
1851
1852 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1853 * (the IO to be ABORT'd)
1854 *
1855 * NOTE: Since we do not byteswap MsgContext, we do not
1856 * swap it here either. It is an opaque cookie to
1857 * the controller, so it does not matter. -DaveM
1858 */
1859 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1860 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1861 retval = mptscsih_IssueTaskMgmt(hd,
1862 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1863 vdevice->vtarget->channel,
1864 vdevice->vtarget->id, vdevice->lun,
1865 ctx2abort, mptscsih_get_tm_timeout(ioc));
1866
1867 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
1868 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1869 "task abort: command still in active list! (sc=%p)\n",
1870 ioc->name, SCpnt));
1871 retval = FAILED;
1872 } else {
1873 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1874 "task abort: command cleared from active list! (sc=%p)\n",
1875 ioc->name, SCpnt));
1876 retval = SUCCESS;
1877 }
1878
1879 out:
1880 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
1881 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1882 SCpnt);
1883
1884 return retval;
1885 }
1886
1887 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1888 /**
1889 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1890 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1891 *
1892 * (linux scsi_host_template.eh_dev_reset_handler routine)
1893 *
1894 * Returns SUCCESS or FAILED.
1895 **/
1896 int
1897 mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1898 {
1899 MPT_SCSI_HOST *hd;
1900 int retval;
1901 VirtDevice *vdevice;
1902 MPT_ADAPTER *ioc;
1903
1904 /* If we can't locate our host adapter structure, return FAILED status.
1905 */
1906 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1907 printk(KERN_ERR MYNAM ": target reset: "
1908 "Can't locate host! (sc=%p)\n", SCpnt);
1909 return FAILED;
1910 }
1911
1912 ioc = hd->ioc;
1913 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1914 ioc->name, SCpnt);
1915 scsi_print_command(SCpnt);
1916
1917 vdevice = SCpnt->device->hostdata;
1918 if (!vdevice || !vdevice->vtarget) {
1919 retval = 0;
1920 goto out;
1921 }
1922
1923 /* Target reset to hidden raid component is not supported
1924 */
1925 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1926 retval = FAILED;
1927 goto out;
1928 }
1929
1930 retval = mptscsih_IssueTaskMgmt(hd,
1931 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1932 vdevice->vtarget->channel,
1933 vdevice->vtarget->id, 0, 0,
1934 mptscsih_get_tm_timeout(ioc));
1935
1936 out:
1937 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1938 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1939
1940 if (retval == 0)
1941 return SUCCESS;
1942 else
1943 return FAILED;
1944 }
1945
1946
1947 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1948 /**
1949 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1950 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1951 *
1952 * (linux scsi_host_template.eh_bus_reset_handler routine)
1953 *
1954 * Returns SUCCESS or FAILED.
1955 **/
1956 int
1957 mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1958 {
1959 MPT_SCSI_HOST *hd;
1960 int retval;
1961 VirtDevice *vdevice;
1962 MPT_ADAPTER *ioc;
1963
1964 /* If we can't locate our host adapter structure, return FAILED status.
1965 */
1966 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1967 printk(KERN_ERR MYNAM ": bus reset: "
1968 "Can't locate host! (sc=%p)\n", SCpnt);
1969 return FAILED;
1970 }
1971
1972 ioc = hd->ioc;
1973 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1974 ioc->name, SCpnt);
1975 scsi_print_command(SCpnt);
1976
1977 if (ioc->timeouts < -1)
1978 ioc->timeouts++;
1979
1980 vdevice = SCpnt->device->hostdata;
1981 if (!vdevice || !vdevice->vtarget)
1982 return SUCCESS;
1983 retval = mptscsih_IssueTaskMgmt(hd,
1984 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1985 vdevice->vtarget->channel, 0, 0, 0,
1986 mptscsih_get_tm_timeout(ioc));
1987
1988 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1989 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1990
1991 if (retval == 0)
1992 return SUCCESS;
1993 else
1994 return FAILED;
1995 }
1996
1997 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1998 /**
1999 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
2000 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
2001 *
2002 * (linux scsi_host_template.eh_host_reset_handler routine)
2003 *
2004 * Returns SUCCESS or FAILED.
2005 */
2006 int
2007 mptscsih_host_reset(struct scsi_cmnd *SCpnt)
2008 {
2009 MPT_SCSI_HOST * hd;
2010 int status = SUCCESS;
2011 MPT_ADAPTER *ioc;
2012 int retval;
2013
2014 /* If we can't locate the host to reset, then we failed. */
2015 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
2016 printk(KERN_ERR MYNAM ": host reset: "
2017 "Can't locate host! (sc=%p)\n", SCpnt);
2018 return FAILED;
2019 }
2020
2021 /* make sure we have no outstanding commands at this stage */
2022 mptscsih_flush_running_cmds(hd);
2023
2024 ioc = hd->ioc;
2025 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
2026 ioc->name, SCpnt);
2027
2028 /* If our attempts to reset the host failed, then return a failed
2029 * status. The host will be taken off line by the SCSI mid-layer.
2030 */
2031 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2032 if (retval < 0)
2033 status = FAILED;
2034 else
2035 status = SUCCESS;
2036
2037 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
2038 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
2039
2040 return status;
2041 }
2042
2043 static int
2044 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
2045 SCSITaskMgmtReply_t *pScsiTmReply)
2046 {
2047 u16 iocstatus;
2048 u32 termination_count;
2049 int retval;
2050
2051 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
2052 retval = FAILED;
2053 goto out;
2054 }
2055
2056 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
2057
2058 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2059 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
2060
2061 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2062 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
2063 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
2064 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
2065 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
2066 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
2067 termination_count));
2068
2069 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
2070 pScsiTmReply->ResponseCode)
2071 mptscsih_taskmgmt_response_code(ioc,
2072 pScsiTmReply->ResponseCode);
2073
2074 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
2075 retval = 0;
2076 goto out;
2077 }
2078
2079 retval = FAILED;
2080 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
2081 if (termination_count == 1)
2082 retval = 0;
2083 goto out;
2084 }
2085
2086 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
2087 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2088 retval = 0;
2089
2090 out:
2091 return retval;
2092 }
2093
2094 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2095 void
2096 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2097 {
2098 char *desc;
2099
2100 switch (response_code) {
2101 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2102 desc = "The task completed.";
2103 break;
2104 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2105 desc = "The IOC received an invalid frame status.";
2106 break;
2107 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2108 desc = "The task type is not supported.";
2109 break;
2110 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2111 desc = "The requested task failed.";
2112 break;
2113 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2114 desc = "The task completed successfully.";
2115 break;
2116 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2117 desc = "The LUN request is invalid.";
2118 break;
2119 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2120 desc = "The task is in the IOC queue and has not been sent to target.";
2121 break;
2122 default:
2123 desc = "unknown";
2124 break;
2125 }
2126 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2127 ioc->name, response_code, desc);
2128 }
2129 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2130
2131 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2132 /**
2133 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2134 * @ioc: Pointer to MPT_ADAPTER structure
2135 * @mf: Pointer to SCSI task mgmt request frame
2136 * @mr: Pointer to SCSI task mgmt reply frame
2137 *
2138 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2139 * of any SCSI task management request.
2140 * This routine is registered with the MPT (base) driver at driver
2141 * load/init time via the mpt_register() API call.
2142 *
2143 * Returns 1 indicating alloc'd request frame ptr should be freed.
2144 **/
2145 int
2146 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2147 MPT_FRAME_HDR *mr)
2148 {
2149 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2150 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2151
2152 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2153
2154 if (!mr)
2155 goto out;
2156
2157 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2158 memcpy(ioc->taskmgmt_cmds.reply, mr,
2159 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2160 out:
2161 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2162 mpt_clear_taskmgmt_in_progress_flag(ioc);
2163 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2164 complete(&ioc->taskmgmt_cmds.done);
2165 if (ioc->bus_type == SAS)
2166 ioc->schedule_target_reset(ioc);
2167 return 1;
2168 }
2169 return 0;
2170 }
2171
2172 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2173 /*
2174 * This is anyones guess quite frankly.
2175 */
2176 int
2177 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2178 sector_t capacity, int geom[])
2179 {
2180 int heads;
2181 int sectors;
2182 sector_t cylinders;
2183 ulong dummy;
2184
2185 heads = 64;
2186 sectors = 32;
2187
2188 dummy = heads * sectors;
2189 cylinders = capacity;
2190 sector_div(cylinders,dummy);
2191
2192 /*
2193 * Handle extended translation size for logical drives
2194 * > 1Gb
2195 */
2196 if ((ulong)capacity >= 0x200000) {
2197 heads = 255;
2198 sectors = 63;
2199 dummy = heads * sectors;
2200 cylinders = capacity;
2201 sector_div(cylinders,dummy);
2202 }
2203
2204 /* return result */
2205 geom[0] = heads;
2206 geom[1] = sectors;
2207 geom[2] = cylinders;
2208
2209 return 0;
2210 }
2211
2212 /* Search IOC page 3 to determine if this is hidden physical disk
2213 *
2214 */
2215 int
2216 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2217 {
2218 struct inactive_raid_component_info *component_info;
2219 int i, j;
2220 RaidPhysDiskPage1_t *phys_disk;
2221 int rc = 0;
2222 int num_paths;
2223
2224 if (!ioc->raid_data.pIocPg3)
2225 goto out;
2226 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2227 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2228 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2229 rc = 1;
2230 goto out;
2231 }
2232 }
2233
2234 if (ioc->bus_type != SAS)
2235 goto out;
2236
2237 /*
2238 * Check if dual path
2239 */
2240 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2241 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2242 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2243 if (num_paths < 2)
2244 continue;
2245 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2246 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2247 if (!phys_disk)
2248 continue;
2249 if ((mpt_raid_phys_disk_pg1(ioc,
2250 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2251 phys_disk))) {
2252 kfree(phys_disk);
2253 continue;
2254 }
2255 for (j = 0; j < num_paths; j++) {
2256 if ((phys_disk->Path[j].Flags &
2257 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2258 continue;
2259 if ((phys_disk->Path[j].Flags &
2260 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2261 continue;
2262 if ((id == phys_disk->Path[j].PhysDiskID) &&
2263 (channel == phys_disk->Path[j].PhysDiskBus)) {
2264 rc = 1;
2265 kfree(phys_disk);
2266 goto out;
2267 }
2268 }
2269 kfree(phys_disk);
2270 }
2271
2272
2273 /*
2274 * Check inactive list for matching phys disks
2275 */
2276 if (list_empty(&ioc->raid_data.inactive_list))
2277 goto out;
2278
2279 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2280 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2281 list) {
2282 if ((component_info->d.PhysDiskID == id) &&
2283 (component_info->d.PhysDiskBus == channel))
2284 rc = 1;
2285 }
2286 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2287
2288 out:
2289 return rc;
2290 }
2291 EXPORT_SYMBOL(mptscsih_is_phys_disk);
2292
2293 u8
2294 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2295 {
2296 struct inactive_raid_component_info *component_info;
2297 int i, j;
2298 RaidPhysDiskPage1_t *phys_disk;
2299 int rc = -ENXIO;
2300 int num_paths;
2301
2302 if (!ioc->raid_data.pIocPg3)
2303 goto out;
2304 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2305 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2306 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2307 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2308 goto out;
2309 }
2310 }
2311
2312 if (ioc->bus_type != SAS)
2313 goto out;
2314
2315 /*
2316 * Check if dual path
2317 */
2318 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2319 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2320 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2321 if (num_paths < 2)
2322 continue;
2323 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2324 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2325 if (!phys_disk)
2326 continue;
2327 if ((mpt_raid_phys_disk_pg1(ioc,
2328 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2329 phys_disk))) {
2330 kfree(phys_disk);
2331 continue;
2332 }
2333 for (j = 0; j < num_paths; j++) {
2334 if ((phys_disk->Path[j].Flags &
2335 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2336 continue;
2337 if ((phys_disk->Path[j].Flags &
2338 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2339 continue;
2340 if ((id == phys_disk->Path[j].PhysDiskID) &&
2341 (channel == phys_disk->Path[j].PhysDiskBus)) {
2342 rc = phys_disk->PhysDiskNum;
2343 kfree(phys_disk);
2344 goto out;
2345 }
2346 }
2347 kfree(phys_disk);
2348 }
2349
2350 /*
2351 * Check inactive list for matching phys disks
2352 */
2353 if (list_empty(&ioc->raid_data.inactive_list))
2354 goto out;
2355
2356 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2357 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2358 list) {
2359 if ((component_info->d.PhysDiskID == id) &&
2360 (component_info->d.PhysDiskBus == channel))
2361 rc = component_info->d.PhysDiskNum;
2362 }
2363 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2364
2365 out:
2366 return rc;
2367 }
2368 EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2369
2370 /*
2371 * OS entry point to allow for host driver to free allocated memory
2372 * Called if no device present or device being unloaded
2373 */
2374 void
2375 mptscsih_slave_destroy(struct scsi_device *sdev)
2376 {
2377 struct Scsi_Host *host = sdev->host;
2378 MPT_SCSI_HOST *hd = shost_priv(host);
2379 VirtTarget *vtarget;
2380 VirtDevice *vdevice;
2381 struct scsi_target *starget;
2382
2383 starget = scsi_target(sdev);
2384 vtarget = starget->hostdata;
2385 vdevice = sdev->hostdata;
2386 if (!vdevice)
2387 return;
2388
2389 mptscsih_search_running_cmds(hd, vdevice);
2390 vtarget->num_luns--;
2391 mptscsih_synchronize_cache(hd, vdevice);
2392 kfree(vdevice);
2393 sdev->hostdata = NULL;
2394 }
2395
2396 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2397 /*
2398 * mptscsih_change_queue_depth - This function will set a devices queue depth
2399 * @sdev: per scsi_device pointer
2400 * @qdepth: requested queue depth
2401 * @reason: calling context
2402 *
2403 * Adding support for new 'change_queue_depth' api.
2404 */
2405 int
2406 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
2407 {
2408 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2409 VirtTarget *vtarget;
2410 struct scsi_target *starget;
2411 int max_depth;
2412 int tagged;
2413 MPT_ADAPTER *ioc = hd->ioc;
2414
2415 starget = scsi_target(sdev);
2416 vtarget = starget->hostdata;
2417
2418 if (reason != SCSI_QDEPTH_DEFAULT)
2419 return -EOPNOTSUPP;
2420
2421 if (ioc->bus_type == SPI) {
2422 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2423 max_depth = 1;
2424 else if (sdev->type == TYPE_DISK &&
2425 vtarget->minSyncFactor <= MPT_ULTRA160)
2426 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2427 else
2428 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2429 } else
2430 max_depth = ioc->sh->can_queue;
2431
2432 if (!sdev->tagged_supported)
2433 max_depth = 1;
2434
2435 if (qdepth > max_depth)
2436 qdepth = max_depth;
2437 if (qdepth == 1)
2438 tagged = 0;
2439 else
2440 tagged = MSG_SIMPLE_TAG;
2441
2442 scsi_adjust_queue_depth(sdev, tagged, qdepth);
2443 return sdev->queue_depth;
2444 }
2445
2446 /*
2447 * OS entry point to adjust the queue_depths on a per-device basis.
2448 * Called once per device the bus scan. Use it to force the queue_depth
2449 * member to 1 if a device does not support Q tags.
2450 * Return non-zero if fails.
2451 */
2452 int
2453 mptscsih_slave_configure(struct scsi_device *sdev)
2454 {
2455 struct Scsi_Host *sh = sdev->host;
2456 VirtTarget *vtarget;
2457 VirtDevice *vdevice;
2458 struct scsi_target *starget;
2459 MPT_SCSI_HOST *hd = shost_priv(sh);
2460 MPT_ADAPTER *ioc = hd->ioc;
2461
2462 starget = scsi_target(sdev);
2463 vtarget = starget->hostdata;
2464 vdevice = sdev->hostdata;
2465
2466 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2467 "device @ %p, channel=%d, id=%d, lun=%d\n",
2468 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2469 if (ioc->bus_type == SPI)
2470 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2471 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2472 ioc->name, sdev->sdtr, sdev->wdtr,
2473 sdev->ppr, sdev->inquiry_len));
2474
2475 vdevice->configured_lun = 1;
2476
2477 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2478 "Queue depth=%d, tflags=%x\n",
2479 ioc->name, sdev->queue_depth, vtarget->tflags));
2480
2481 if (ioc->bus_type == SPI)
2482 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2483 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2484 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2485 vtarget->minSyncFactor));
2486
2487 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH,
2488 SCSI_QDEPTH_DEFAULT);
2489 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2490 "tagged %d, simple %d, ordered %d\n",
2491 ioc->name,sdev->tagged_supported, sdev->simple_tags,
2492 sdev->ordered_tags));
2493
2494 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2495
2496 return 0;
2497 }
2498
2499 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2500 /*
2501 * Private routines...
2502 */
2503
2504 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2505 /* Utility function to copy sense data from the scsi_cmnd buffer
2506 * to the FC and SCSI target structures.
2507 *
2508 */
2509 static void
2510 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2511 {
2512 VirtDevice *vdevice;
2513 SCSIIORequest_t *pReq;
2514 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2515 MPT_ADAPTER *ioc = hd->ioc;
2516
2517 /* Get target structure
2518 */
2519 pReq = (SCSIIORequest_t *) mf;
2520 vdevice = sc->device->hostdata;
2521
2522 if (sense_count) {
2523 u8 *sense_data;
2524 int req_index;
2525
2526 /* Copy the sense received into the scsi command block. */
2527 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2528 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2529 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2530
2531 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2532 */
2533 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2534 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2535 int idx;
2536
2537 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2538 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2539 ioc->events[idx].eventContext = ioc->eventContext;
2540
2541 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2542 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2543 (sc->device->channel << 8) | sc->device->id;
2544
2545 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2546
2547 ioc->eventContext++;
2548 if (ioc->pcidev->vendor ==
2549 PCI_VENDOR_ID_IBM) {
2550 mptscsih_issue_sep_command(ioc,
2551 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2552 vdevice->vtarget->tflags |=
2553 MPT_TARGET_FLAGS_LED_ON;
2554 }
2555 }
2556 }
2557 } else {
2558 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2559 ioc->name));
2560 }
2561 }
2562
2563 /**
2564 * mptscsih_get_scsi_lookup - retrieves scmd entry
2565 * @ioc: Pointer to MPT_ADAPTER structure
2566 * @i: index into the array
2567 *
2568 * Returns the scsi_cmd pointer
2569 */
2570 struct scsi_cmnd *
2571 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2572 {
2573 unsigned long flags;
2574 struct scsi_cmnd *scmd;
2575
2576 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2577 scmd = ioc->ScsiLookup[i];
2578 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2579
2580 return scmd;
2581 }
2582 EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2583
2584 /**
2585 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2586 * @ioc: Pointer to MPT_ADAPTER structure
2587 * @i: index into the array
2588 *
2589 * Returns the scsi_cmd pointer
2590 *
2591 **/
2592 static struct scsi_cmnd *
2593 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2594 {
2595 unsigned long flags;
2596 struct scsi_cmnd *scmd;
2597
2598 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2599 scmd = ioc->ScsiLookup[i];
2600 ioc->ScsiLookup[i] = NULL;
2601 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2602
2603 return scmd;
2604 }
2605
2606 /**
2607 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
2608 *
2609 * @ioc: Pointer to MPT_ADAPTER structure
2610 * @i: index into the array
2611 * @scmd: scsi_cmnd pointer
2612 *
2613 **/
2614 static void
2615 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2616 {
2617 unsigned long flags;
2618
2619 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2620 ioc->ScsiLookup[i] = scmd;
2621 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2622 }
2623
2624 /**
2625 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2626 * @ioc: Pointer to MPT_ADAPTER structure
2627 * @sc: scsi_cmnd pointer
2628 */
2629 static int
2630 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2631 {
2632 unsigned long flags;
2633 int i, index=-1;
2634
2635 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2636 for (i = 0; i < ioc->req_depth; i++) {
2637 if (ioc->ScsiLookup[i] == sc) {
2638 index = i;
2639 goto out;
2640 }
2641 }
2642
2643 out:
2644 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2645 return index;
2646 }
2647
2648 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2649 int
2650 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2651 {
2652 MPT_SCSI_HOST *hd;
2653
2654 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2655 return 0;
2656
2657 hd = shost_priv(ioc->sh);
2658 switch (reset_phase) {
2659 case MPT_IOC_SETUP_RESET:
2660 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2661 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2662 break;
2663 case MPT_IOC_PRE_RESET:
2664 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2665 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2666 mptscsih_flush_running_cmds(hd);
2667 break;
2668 case MPT_IOC_POST_RESET:
2669 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2670 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2671 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2672 ioc->internal_cmds.status |=
2673 MPT_MGMT_STATUS_DID_IOCRESET;
2674 complete(&ioc->internal_cmds.done);
2675 }
2676 break;
2677 default:
2678 break;
2679 }
2680 return 1; /* currently means nothing really */
2681 }
2682
2683 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2684 int
2685 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2686 {
2687 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2688
2689 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2690 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2691 ioc->name, event));
2692
2693 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2694 event == MPI_EVENT_EXT_BUS_RESET) &&
2695 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2696 ioc->soft_resets++;
2697
2698 return 1; /* currently means nothing really */
2699 }
2700
2701 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2702 /*
2703 * Bus Scan and Domain Validation functionality ...
2704 */
2705
2706 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2707 /*
2708 * mptscsih_scandv_complete - Scan and DV callback routine registered
2709 * to Fustion MPT (base) driver.
2710 *
2711 * @ioc: Pointer to MPT_ADAPTER structure
2712 * @mf: Pointer to original MPT request frame
2713 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2714 *
2715 * This routine is called from mpt.c::mpt_interrupt() at the completion
2716 * of any SCSI IO request.
2717 * This routine is registered with the Fusion MPT (base) driver at driver
2718 * load/init time via the mpt_register() API call.
2719 *
2720 * Returns 1 indicating alloc'd request frame ptr should be freed.
2721 *
2722 * Remark: Sets a completion code and (possibly) saves sense data
2723 * in the IOC member localReply structure.
2724 * Used ONLY for DV and other internal commands.
2725 */
2726 int
2727 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2728 MPT_FRAME_HDR *reply)
2729 {
2730 SCSIIORequest_t *pReq;
2731 SCSIIOReply_t *pReply;
2732 u8 cmd;
2733 u16 req_idx;
2734 u8 *sense_data;
2735 int sz;
2736
2737 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2738 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2739 if (!reply)
2740 goto out;
2741
2742 pReply = (SCSIIOReply_t *) reply;
2743 pReq = (SCSIIORequest_t *) req;
2744 ioc->internal_cmds.completion_code =
2745 mptscsih_get_completion_code(ioc, req, reply);
2746 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2747 memcpy(ioc->internal_cmds.reply, reply,
2748 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2749 cmd = reply->u.hdr.Function;
2750 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2751 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2752 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2753 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2754 sense_data = ((u8 *)ioc->sense_buf_pool +
2755 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2756 sz = min_t(int, pReq->SenseBufferLength,
2757 MPT_SENSE_BUFFER_ALLOC);
2758 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2759 }
2760 out:
2761 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2762 return 0;
2763 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2764 complete(&ioc->internal_cmds.done);
2765 return 1;
2766 }
2767
2768
2769 /**
2770 * mptscsih_get_completion_code - get completion code from MPT request
2771 * @ioc: Pointer to MPT_ADAPTER structure
2772 * @req: Pointer to original MPT request frame
2773 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
2774 *
2775 **/
2776 static int
2777 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2778 MPT_FRAME_HDR *reply)
2779 {
2780 SCSIIOReply_t *pReply;
2781 MpiRaidActionReply_t *pr;
2782 u8 scsi_status;
2783 u16 status;
2784 int completion_code;
2785
2786 pReply = (SCSIIOReply_t *)reply;
2787 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2788 scsi_status = pReply->SCSIStatus;
2789
2790 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2791 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2792 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2793 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2794
2795 switch (status) {
2796
2797 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2798 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2799 break;
2800
2801 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2802 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2803 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2804 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2805 completion_code = MPT_SCANDV_DID_RESET;
2806 break;
2807
2808 case MPI_IOCSTATUS_BUSY:
2809 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2810 completion_code = MPT_SCANDV_BUSY;
2811 break;
2812
2813 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2814 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2815 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2816 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2817 completion_code = MPT_SCANDV_GOOD;
2818 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2819 pr = (MpiRaidActionReply_t *)reply;
2820 if (le16_to_cpu(pr->ActionStatus) ==
2821 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2822 completion_code = MPT_SCANDV_GOOD;
2823 else
2824 completion_code = MPT_SCANDV_SOME_ERROR;
2825 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2826 completion_code = MPT_SCANDV_SENSE;
2827 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2828 if (req->u.scsireq.CDB[0] == INQUIRY)
2829 completion_code = MPT_SCANDV_ISSUE_SENSE;
2830 else
2831 completion_code = MPT_SCANDV_DID_RESET;
2832 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2833 completion_code = MPT_SCANDV_DID_RESET;
2834 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2835 completion_code = MPT_SCANDV_DID_RESET;
2836 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2837 completion_code = MPT_SCANDV_BUSY;
2838 else
2839 completion_code = MPT_SCANDV_GOOD;
2840 break;
2841
2842 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2843 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2844 completion_code = MPT_SCANDV_DID_RESET;
2845 else
2846 completion_code = MPT_SCANDV_SOME_ERROR;
2847 break;
2848 default:
2849 completion_code = MPT_SCANDV_SOME_ERROR;
2850 break;
2851
2852 } /* switch(status) */
2853
2854 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2855 " completionCode set to %08xh\n", ioc->name, completion_code));
2856 return completion_code;
2857 }
2858
2859 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2860 /**
2861 * mptscsih_do_cmd - Do internal command.
2862 * @hd: MPT_SCSI_HOST pointer
2863 * @io: INTERNAL_CMD pointer.
2864 *
2865 * Issue the specified internally generated command and do command
2866 * specific cleanup. For bus scan / DV only.
2867 * NOTES: If command is Inquiry and status is good,
2868 * initialize a target structure, save the data
2869 *
2870 * Remark: Single threaded access only.
2871 *
2872 * Return:
2873 * < 0 if an illegal command or no resources
2874 *
2875 * 0 if good
2876 *
2877 * > 0 if command complete but some type of completion error.
2878 */
2879 static int
2880 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2881 {
2882 MPT_FRAME_HDR *mf;
2883 SCSIIORequest_t *pScsiReq;
2884 int my_idx, ii, dir;
2885 int timeout;
2886 char cmdLen;
2887 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2888 u8 cmd = io->cmd;
2889 MPT_ADAPTER *ioc = hd->ioc;
2890 int ret = 0;
2891 unsigned long timeleft;
2892 unsigned long flags;
2893
2894 /* don't send internal command during diag reset */
2895 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2896 if (ioc->ioc_reset_in_progress) {
2897 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2898 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2899 "%s: busy with host reset\n", ioc->name, __func__));
2900 return MPT_SCANDV_BUSY;
2901 }
2902 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2903
2904 mutex_lock(&ioc->internal_cmds.mutex);
2905
2906 /* Set command specific information
2907 */
2908 switch (cmd) {
2909 case INQUIRY:
2910 cmdLen = 6;
2911 dir = MPI_SCSIIO_CONTROL_READ;
2912 CDB[0] = cmd;
2913 CDB[4] = io->size;
2914 timeout = 10;
2915 break;
2916
2917 case TEST_UNIT_READY:
2918 cmdLen = 6;
2919 dir = MPI_SCSIIO_CONTROL_READ;
2920 timeout = 10;
2921 break;
2922
2923 case START_STOP:
2924 cmdLen = 6;
2925 dir = MPI_SCSIIO_CONTROL_READ;
2926 CDB[0] = cmd;
2927 CDB[4] = 1; /*Spin up the disk */
2928 timeout = 15;
2929 break;
2930
2931 case REQUEST_SENSE:
2932 cmdLen = 6;
2933 CDB[0] = cmd;
2934 CDB[4] = io->size;
2935 dir = MPI_SCSIIO_CONTROL_READ;
2936 timeout = 10;
2937 break;
2938
2939 case READ_BUFFER:
2940 cmdLen = 10;
2941 dir = MPI_SCSIIO_CONTROL_READ;
2942 CDB[0] = cmd;
2943 if (io->flags & MPT_ICFLAG_ECHO) {
2944 CDB[1] = 0x0A;
2945 } else {
2946 CDB[1] = 0x02;
2947 }
2948
2949 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2950 CDB[1] |= 0x01;
2951 }
2952 CDB[6] = (io->size >> 16) & 0xFF;
2953 CDB[7] = (io->size >> 8) & 0xFF;
2954 CDB[8] = io->size & 0xFF;
2955 timeout = 10;
2956 break;
2957
2958 case WRITE_BUFFER:
2959 cmdLen = 10;
2960 dir = MPI_SCSIIO_CONTROL_WRITE;
2961 CDB[0] = cmd;
2962 if (io->flags & MPT_ICFLAG_ECHO) {
2963 CDB[1] = 0x0A;
2964 } else {
2965 CDB[1] = 0x02;
2966 }
2967 CDB[6] = (io->size >> 16) & 0xFF;
2968 CDB[7] = (io->size >> 8) & 0xFF;
2969 CDB[8] = io->size & 0xFF;
2970 timeout = 10;
2971 break;
2972
2973 case RESERVE:
2974 cmdLen = 6;
2975 dir = MPI_SCSIIO_CONTROL_READ;
2976 CDB[0] = cmd;
2977 timeout = 10;
2978 break;
2979
2980 case RELEASE:
2981 cmdLen = 6;
2982 dir = MPI_SCSIIO_CONTROL_READ;
2983 CDB[0] = cmd;
2984 timeout = 10;
2985 break;
2986
2987 case SYNCHRONIZE_CACHE:
2988 cmdLen = 10;
2989 dir = MPI_SCSIIO_CONTROL_READ;
2990 CDB[0] = cmd;
2991 // CDB[1] = 0x02; /* set immediate bit */
2992 timeout = 10;
2993 break;
2994
2995 default:
2996 /* Error Case */
2997 ret = -EFAULT;
2998 goto out;
2999 }
3000
3001 /* Get and Populate a free Frame
3002 * MsgContext set in mpt_get_msg_frame call
3003 */
3004 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
3005 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
3006 ioc->name, __func__));
3007 ret = MPT_SCANDV_BUSY;
3008 goto out;
3009 }
3010
3011 pScsiReq = (SCSIIORequest_t *) mf;
3012
3013 /* Get the request index */
3014 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
3015 ADD_INDEX_LOG(my_idx); /* for debug */
3016
3017 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
3018 pScsiReq->TargetID = io->physDiskNum;
3019 pScsiReq->Bus = 0;
3020 pScsiReq->ChainOffset = 0;
3021 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
3022 } else {
3023 pScsiReq->TargetID = io->id;
3024 pScsiReq->Bus = io->channel;
3025 pScsiReq->ChainOffset = 0;
3026 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
3027 }
3028
3029 pScsiReq->CDBLength = cmdLen;
3030 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
3031
3032 pScsiReq->Reserved = 0;
3033
3034 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
3035 /* MsgContext set in mpt_get_msg_fram call */
3036
3037 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
3038
3039 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
3040 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
3041 else
3042 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3043
3044 if (cmd == REQUEST_SENSE) {
3045 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3046 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3047 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
3048 }
3049
3050 for (ii = 0; ii < 16; ii++)
3051 pScsiReq->CDB[ii] = CDB[ii];
3052
3053 pScsiReq->DataLength = cpu_to_le32(io->size);
3054 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
3055 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
3056
3057 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3058 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n",
3059 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
3060
3061 if (dir == MPI_SCSIIO_CONTROL_READ)
3062 ioc->add_sge((char *) &pScsiReq->SGL,
3063 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
3064 else
3065 ioc->add_sge((char *) &pScsiReq->SGL,
3066 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
3067
3068 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
3069 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
3070 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
3071 timeout*HZ);
3072 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
3073 ret = MPT_SCANDV_DID_RESET;
3074 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3075 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
3076 cmd));
3077 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
3078 mpt_free_msg_frame(ioc, mf);
3079 goto out;
3080 }
3081 if (!timeleft) {
3082 printk(MYIOC_s_WARN_FMT
3083 "Issuing Reset from %s!! doorbell=0x%08xh"
3084 " cmd=0x%02x\n",
3085 ioc->name, __func__, mpt_GetIocState(ioc, 0),
3086 cmd);
3087 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
3088 mpt_free_msg_frame(ioc, mf);
3089 }
3090 goto out;
3091 }
3092
3093 ret = ioc->internal_cmds.completion_code;
3094 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
3095 ioc->name, __func__, ret));
3096
3097 out:
3098 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
3099 mutex_unlock(&ioc->internal_cmds.mutex);
3100 return ret;
3101 }
3102
3103 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3104 /**
3105 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3106 * @hd: Pointer to a SCSI HOST structure
3107 * @vdevice: virtual target device
3108 *
3109 * Uses the ISR, but with special processing.
3110 * MUST be single-threaded.
3111 *
3112 */
3113 static void
3114 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3115 {
3116 INTERNAL_CMD iocmd;
3117
3118 /* Ignore hidden raid components, this is handled when the command
3119 * is sent to the volume
3120 */
3121 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3122 return;
3123
3124 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3125 !vdevice->configured_lun)
3126 return;
3127
3128 /* Following parameters will not change
3129 * in this routine.
3130 */
3131 iocmd.cmd = SYNCHRONIZE_CACHE;
3132 iocmd.flags = 0;
3133 iocmd.physDiskNum = -1;
3134 iocmd.data = NULL;
3135 iocmd.data_dma = -1;
3136 iocmd.size = 0;
3137 iocmd.rsvd = iocmd.rsvd2 = 0;
3138 iocmd.channel = vdevice->vtarget->channel;
3139 iocmd.id = vdevice->vtarget->id;
3140 iocmd.lun = vdevice->lun;
3141
3142 mptscsih_do_cmd(hd, &iocmd);
3143 }
3144
3145 static ssize_t
3146 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3147 char *buf)
3148 {
3149 struct Scsi_Host *host = class_to_shost(dev);
3150 MPT_SCSI_HOST *hd = shost_priv(host);
3151 MPT_ADAPTER *ioc = hd->ioc;
3152
3153 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3154 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3155 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3156 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3157 ioc->facts.FWVersion.Word & 0x000000FF);
3158 }
3159 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3160
3161 static ssize_t
3162 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3163 char *buf)
3164 {
3165 struct Scsi_Host *host = class_to_shost(dev);
3166 MPT_SCSI_HOST *hd = shost_priv(host);
3167 MPT_ADAPTER *ioc = hd->ioc;
3168
3169 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3170 (ioc->biosVersion & 0xFF000000) >> 24,
3171 (ioc->biosVersion & 0x00FF0000) >> 16,
3172 (ioc->biosVersion & 0x0000FF00) >> 8,
3173 ioc->biosVersion & 0x000000FF);
3174 }
3175 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3176
3177 static ssize_t
3178 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3179 char *buf)
3180 {
3181 struct Scsi_Host *host = class_to_shost(dev);
3182 MPT_SCSI_HOST *hd = shost_priv(host);
3183 MPT_ADAPTER *ioc = hd->ioc;
3184
3185 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3186 }
3187 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3188
3189 static ssize_t
3190 mptscsih_version_product_show(struct device *dev,
3191 struct device_attribute *attr,
3192 char *buf)
3193 {
3194 struct Scsi_Host *host = class_to_shost(dev);
3195 MPT_SCSI_HOST *hd = shost_priv(host);
3196 MPT_ADAPTER *ioc = hd->ioc;
3197
3198 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3199 }
3200 static DEVICE_ATTR(version_product, S_IRUGO,
3201 mptscsih_version_product_show, NULL);
3202
3203 static ssize_t
3204 mptscsih_version_nvdata_persistent_show(struct device *dev,
3205 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, "%02xh\n",
3213 ioc->nvdata_version_persistent);
3214 }
3215 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3216 mptscsih_version_nvdata_persistent_show, NULL);
3217
3218 static ssize_t
3219 mptscsih_version_nvdata_default_show(struct device *dev,
3220 struct device_attribute *attr, char *buf)
3221 {
3222 struct Scsi_Host *host = class_to_shost(dev);
3223 MPT_SCSI_HOST *hd = shost_priv(host);
3224 MPT_ADAPTER *ioc = hd->ioc;
3225
3226 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3227 }
3228 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3229 mptscsih_version_nvdata_default_show, NULL);
3230
3231 static ssize_t
3232 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3233 char *buf)
3234 {
3235 struct Scsi_Host *host = class_to_shost(dev);
3236 MPT_SCSI_HOST *hd = shost_priv(host);
3237 MPT_ADAPTER *ioc = hd->ioc;
3238
3239 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3240 }
3241 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3242
3243 static ssize_t
3244 mptscsih_board_assembly_show(struct device *dev,
3245 struct device_attribute *attr, 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, "%s\n", ioc->board_assembly);
3252 }
3253 static DEVICE_ATTR(board_assembly, S_IRUGO,
3254 mptscsih_board_assembly_show, NULL);
3255
3256 static ssize_t
3257 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3258 char *buf)
3259 {
3260 struct Scsi_Host *host = class_to_shost(dev);
3261 MPT_SCSI_HOST *hd = shost_priv(host);
3262 MPT_ADAPTER *ioc = hd->ioc;
3263
3264 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3265 }
3266 static DEVICE_ATTR(board_tracer, S_IRUGO,
3267 mptscsih_board_tracer_show, NULL);
3268
3269 static ssize_t
3270 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3271 char *buf)
3272 {
3273 struct Scsi_Host *host = class_to_shost(dev);
3274 MPT_SCSI_HOST *hd = shost_priv(host);
3275 MPT_ADAPTER *ioc = hd->ioc;
3276
3277 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3278 }
3279 static DEVICE_ATTR(io_delay, S_IRUGO,
3280 mptscsih_io_delay_show, NULL);
3281
3282 static ssize_t
3283 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3284 char *buf)
3285 {
3286 struct Scsi_Host *host = class_to_shost(dev);
3287 MPT_SCSI_HOST *hd = shost_priv(host);
3288 MPT_ADAPTER *ioc = hd->ioc;
3289
3290 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3291 }
3292 static DEVICE_ATTR(device_delay, S_IRUGO,
3293 mptscsih_device_delay_show, NULL);
3294
3295 static ssize_t
3296 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3297 char *buf)
3298 {
3299 struct Scsi_Host *host = class_to_shost(dev);
3300 MPT_SCSI_HOST *hd = shost_priv(host);
3301 MPT_ADAPTER *ioc = hd->ioc;
3302
3303 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3304 }
3305 static ssize_t
3306 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3307 const char *buf, size_t count)
3308 {
3309 struct Scsi_Host *host = class_to_shost(dev);
3310 MPT_SCSI_HOST *hd = shost_priv(host);
3311 MPT_ADAPTER *ioc = hd->ioc;
3312 int val = 0;
3313
3314 if (sscanf(buf, "%x", &val) != 1)
3315 return -EINVAL;
3316
3317 ioc->debug_level = val;
3318 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3319 ioc->name, ioc->debug_level);
3320 return strlen(buf);
3321 }
3322 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3323 mptscsih_debug_level_show, mptscsih_debug_level_store);
3324
3325 struct device_attribute *mptscsih_host_attrs[] = {
3326 &dev_attr_version_fw,
3327 &dev_attr_version_bios,
3328 &dev_attr_version_mpi,
3329 &dev_attr_version_product,
3330 &dev_attr_version_nvdata_persistent,
3331 &dev_attr_version_nvdata_default,
3332 &dev_attr_board_name,
3333 &dev_attr_board_assembly,
3334 &dev_attr_board_tracer,
3335 &dev_attr_io_delay,
3336 &dev_attr_device_delay,
3337 &dev_attr_debug_level,
3338 NULL,
3339 };
3340
3341 EXPORT_SYMBOL(mptscsih_host_attrs);
3342
3343 EXPORT_SYMBOL(mptscsih_remove);
3344 EXPORT_SYMBOL(mptscsih_shutdown);
3345 #ifdef CONFIG_PM
3346 EXPORT_SYMBOL(mptscsih_suspend);
3347 EXPORT_SYMBOL(mptscsih_resume);
3348 #endif
3349 EXPORT_SYMBOL(mptscsih_proc_info);
3350 EXPORT_SYMBOL(mptscsih_info);
3351 EXPORT_SYMBOL(mptscsih_qcmd);
3352 EXPORT_SYMBOL(mptscsih_slave_destroy);
3353 EXPORT_SYMBOL(mptscsih_slave_configure);
3354 EXPORT_SYMBOL(mptscsih_abort);
3355 EXPORT_SYMBOL(mptscsih_dev_reset);
3356 EXPORT_SYMBOL(mptscsih_bus_reset);
3357 EXPORT_SYMBOL(mptscsih_host_reset);
3358 EXPORT_SYMBOL(mptscsih_bios_param);
3359 EXPORT_SYMBOL(mptscsih_io_done);
3360 EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3361 EXPORT_SYMBOL(mptscsih_scandv_complete);
3362 EXPORT_SYMBOL(mptscsih_event_process);
3363 EXPORT_SYMBOL(mptscsih_ioc_reset);
3364 EXPORT_SYMBOL(mptscsih_change_queue_depth);
3365
3366 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
linux-next