1 /*
2 * linux/drivers/message/fusion/mptscsih.c
3 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
5 *
6 * Copyright (c) 1999-2008 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
8 *
9 */
10 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
11 /*
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; version 2 of the License.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 NO WARRANTY
22 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
23 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
24 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
25 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
26 solely responsible for determining the appropriateness of using and
27 distributing the Program and assumes all risks associated with its
28 exercise of rights under this Agreement, including but not limited to
29 the risks and costs of program errors, damage to or loss of data,
30 programs or equipment, and unavailability or interruption of operations.
31
32 DISCLAIMER OF LIABILITY
33 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
34 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
36 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
37 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
38 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
39 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
40
41 You should have received a copy of the GNU General Public License
42 along with this program; if not, write to the Free Software
43 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
44 */
45 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
46
47 #include <linux/module.h>
48 #include <linux/kernel.h>
49 #include <linux/slab.h>
50 #include <linux/init.h>
51 #include <linux/errno.h>
52 #include <linux/kdev_t.h>
53 #include <linux/blkdev.h>
54 #include <linux/delay.h> /* for mdelay */
55 #include <linux/interrupt.h> /* needed for in_interrupt() proto */
56 #include <linux/reboot.h> /* notifier code */
57 #include <linux/workqueue.h>
58
59 #include <scsi/scsi.h>
60 #include <scsi/scsi_cmnd.h>
61 #include <scsi/scsi_device.h>
62 #include <scsi/scsi_host.h>
63 #include <scsi/scsi_tcq.h>
64 #include <scsi/scsi_dbg.h>
65
66 #include "mptbase.h"
67 #include "mptscsih.h"
68 #include "lsi/mpi_log_sas.h"
69
70 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
71 #define my_NAME "Fusion MPT SCSI Host driver"
72 #define my_VERSION MPT_LINUX_VERSION_COMMON
73 #define MYNAM "mptscsih"
74
75 MODULE_AUTHOR(MODULEAUTHOR);
76 MODULE_DESCRIPTION(my_NAME);
77 MODULE_LICENSE("GPL");
78 MODULE_VERSION(my_VERSION);
79
80 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
81 /*
82 * Other private/forward protos...
83 */
84 struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
85 static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
86 static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
87 static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
88 int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
89 static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
90 int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
91
92 static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
93 SCSIIORequest_t *pReq, int req_idx);
94 static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
95 static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
96
97 int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
98 u64 lun, int ctx2abort, ulong timeout);
99
100 int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
101 int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
102
103 void
104 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
105 static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
106 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
107 int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
108 static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
109 static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
110
111 static int
112 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
113 SCSITaskMgmtReply_t *pScsiTmReply);
114 void mptscsih_remove(struct pci_dev *);
115 void mptscsih_shutdown(struct pci_dev *);
116 #ifdef CONFIG_PM
117 int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
118 int mptscsih_resume(struct pci_dev *pdev);
119 #endif
120
121
122 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
123 /*
124 * mptscsih_getFreeChainBuffer - Function to get a free chain
125 * from the MPT_SCSI_HOST FreeChainQ.
126 * @ioc: Pointer to MPT_ADAPTER structure
127 * @req_idx: Index of the SCSI IO request frame. (output)
128 *
129 * return SUCCESS or FAILED
130 */
131 static inline int
mptscsih_getFreeChainBuffer(MPT_ADAPTER * ioc,int * retIndex)132 mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
133 {
134 MPT_FRAME_HDR *chainBuf;
135 unsigned long flags;
136 int rc;
137 int chain_idx;
138
139 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
140 ioc->name));
141 spin_lock_irqsave(&ioc->FreeQlock, flags);
142 if (!list_empty(&ioc->FreeChainQ)) {
143 int offset;
144
145 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
146 u.frame.linkage.list);
147 list_del(&chainBuf->u.frame.linkage.list);
148 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
149 chain_idx = offset / ioc->req_sz;
150 rc = SUCCESS;
151 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
152 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
153 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
154 } else {
155 rc = FAILED;
156 chain_idx = MPT_HOST_NO_CHAIN;
157 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
158 ioc->name));
159 }
160 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
161
162 *retIndex = chain_idx;
163 return rc;
164 } /* mptscsih_getFreeChainBuffer() */
165
166 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
167 /*
168 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
169 * SCSIIORequest_t Message Frame.
170 * @ioc: Pointer to MPT_ADAPTER structure
171 * @SCpnt: Pointer to scsi_cmnd structure
172 * @pReq: Pointer to SCSIIORequest_t structure
173 *
174 * Returns ...
175 */
176 static int
mptscsih_AddSGE(MPT_ADAPTER * ioc,struct scsi_cmnd * SCpnt,SCSIIORequest_t * pReq,int req_idx)177 mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
178 SCSIIORequest_t *pReq, int req_idx)
179 {
180 char *psge;
181 char *chainSge;
182 struct scatterlist *sg;
183 int frm_sz;
184 int sges_left, sg_done;
185 int chain_idx = MPT_HOST_NO_CHAIN;
186 int sgeOffset;
187 int numSgeSlots, numSgeThisFrame;
188 u32 sgflags, sgdir, thisxfer = 0;
189 int chain_dma_off = 0;
190 int newIndex;
191 int ii;
192 dma_addr_t v2;
193 u32 RequestNB;
194
195 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
196 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
197 sgdir = MPT_TRANSFER_HOST_TO_IOC;
198 } else {
199 sgdir = MPT_TRANSFER_IOC_TO_HOST;
200 }
201
202 psge = (char *) &pReq->SGL;
203 frm_sz = ioc->req_sz;
204
205 /* Map the data portion, if any.
206 * sges_left = 0 if no data transfer.
207 */
208 sges_left = scsi_dma_map(SCpnt);
209 if (sges_left < 0)
210 return FAILED;
211
212 /* Handle the SG case.
213 */
214 sg = scsi_sglist(SCpnt);
215 sg_done = 0;
216 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
217 chainSge = NULL;
218
219 /* Prior to entering this loop - the following must be set
220 * current MF: sgeOffset (bytes)
221 * chainSge (Null if original MF is not a chain buffer)
222 * sg_done (num SGE done for this MF)
223 */
224
225 nextSGEset:
226 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
227 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
228
229 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
230
231 /* Get first (num - 1) SG elements
232 * Skip any SG entries with a length of 0
233 * NOTE: at finish, sg and psge pointed to NEXT data/location positions
234 */
235 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
236 thisxfer = sg_dma_len(sg);
237 if (thisxfer == 0) {
238 /* Get next SG element from the OS */
239 sg = sg_next(sg);
240 sg_done++;
241 continue;
242 }
243
244 v2 = sg_dma_address(sg);
245 ioc->add_sge(psge, sgflags | thisxfer, v2);
246
247 /* Get next SG element from the OS */
248 sg = sg_next(sg);
249 psge += ioc->SGE_size;
250 sgeOffset += ioc->SGE_size;
251 sg_done++;
252 }
253
254 if (numSgeThisFrame == sges_left) {
255 /* Add last element, end of buffer and end of list flags.
256 */
257 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
258 MPT_SGE_FLAGS_END_OF_BUFFER |
259 MPT_SGE_FLAGS_END_OF_LIST;
260
261 /* Add last SGE and set termination flags.
262 * Note: Last SGE may have a length of 0 - which should be ok.
263 */
264 thisxfer = sg_dma_len(sg);
265
266 v2 = sg_dma_address(sg);
267 ioc->add_sge(psge, sgflags | thisxfer, v2);
268 sgeOffset += ioc->SGE_size;
269 sg_done++;
270
271 if (chainSge) {
272 /* The current buffer is a chain buffer,
273 * but there is not another one.
274 * Update the chain element
275 * Offset and Length fields.
276 */
277 ioc->add_chain((char *)chainSge, 0, sgeOffset,
278 ioc->ChainBufferDMA + chain_dma_off);
279 } else {
280 /* The current buffer is the original MF
281 * and there is no Chain buffer.
282 */
283 pReq->ChainOffset = 0;
284 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
285 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
286 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
287 ioc->RequestNB[req_idx] = RequestNB;
288 }
289 } else {
290 /* At least one chain buffer is needed.
291 * Complete the first MF
292 * - last SGE element, set the LastElement bit
293 * - set ChainOffset (words) for orig MF
294 * (OR finish previous MF chain buffer)
295 * - update MFStructPtr ChainIndex
296 * - Populate chain element
297 * Also
298 * Loop until done.
299 */
300
301 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
302 ioc->name, sg_done));
303
304 /* Set LAST_ELEMENT flag for last non-chain element
305 * in the buffer. Since psge points at the NEXT
306 * SGE element, go back one SGE element, update the flags
307 * and reset the pointer. (Note: sgflags & thisxfer are already
308 * set properly).
309 */
310 if (sg_done) {
311 u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
312 sgflags = le32_to_cpu(*ptmp);
313 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
314 *ptmp = cpu_to_le32(sgflags);
315 }
316
317 if (chainSge) {
318 /* The current buffer is a chain buffer.
319 * chainSge points to the previous Chain Element.
320 * Update its chain element Offset and Length (must
321 * include chain element size) fields.
322 * Old chain element is now complete.
323 */
324 u8 nextChain = (u8) (sgeOffset >> 2);
325 sgeOffset += ioc->SGE_size;
326 ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
327 ioc->ChainBufferDMA + chain_dma_off);
328 } else {
329 /* The original MF buffer requires a chain buffer -
330 * set the offset.
331 * Last element in this MF is a chain element.
332 */
333 pReq->ChainOffset = (u8) (sgeOffset >> 2);
334 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
335 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
336 ioc->RequestNB[req_idx] = RequestNB;
337 }
338
339 sges_left -= sg_done;
340
341
342 /* NOTE: psge points to the beginning of the chain element
343 * in current buffer. Get a chain buffer.
344 */
345 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
346 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
347 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
348 ioc->name, pReq->CDB[0], SCpnt));
349 return FAILED;
350 }
351
352 /* Update the tracking arrays.
353 * If chainSge == NULL, update ReqToChain, else ChainToChain
354 */
355 if (chainSge) {
356 ioc->ChainToChain[chain_idx] = newIndex;
357 } else {
358 ioc->ReqToChain[req_idx] = newIndex;
359 }
360 chain_idx = newIndex;
361 chain_dma_off = ioc->req_sz * chain_idx;
362
363 /* Populate the chainSGE for the current buffer.
364 * - Set chain buffer pointer to psge and fill
365 * out the Address and Flags fields.
366 */
367 chainSge = (char *) psge;
368 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
369 ioc->name, psge, req_idx));
370
371 /* Start the SGE for the next buffer
372 */
373 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
374 sgeOffset = 0;
375 sg_done = 0;
376
377 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
378 ioc->name, psge, chain_idx));
379
380 /* Start the SGE for the next buffer
381 */
382
383 goto nextSGEset;
384 }
385
386 return SUCCESS;
387 } /* mptscsih_AddSGE() */
388
389 static void
mptscsih_issue_sep_command(MPT_ADAPTER * ioc,VirtTarget * vtarget,U32 SlotStatus)390 mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
391 U32 SlotStatus)
392 {
393 MPT_FRAME_HDR *mf;
394 SEPRequest_t *SEPMsg;
395
396 if (ioc->bus_type != SAS)
397 return;
398
399 /* Not supported for hidden raid components
400 */
401 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
402 return;
403
404 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
405 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
406 ioc->name,__func__));
407 return;
408 }
409
410 SEPMsg = (SEPRequest_t *)mf;
411 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
412 SEPMsg->Bus = vtarget->channel;
413 SEPMsg->TargetID = vtarget->id;
414 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
415 SEPMsg->SlotStatus = SlotStatus;
416 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
417 "Sending SEP cmd=%x channel=%d id=%d\n",
418 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
419 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
420 }
421
422 #ifdef CONFIG_FUSION_LOGGING
423 /**
424 * mptscsih_info_scsiio - debug print info on reply frame
425 * @ioc: Pointer to MPT_ADAPTER structure
426 * @sc: original scsi cmnd pointer
427 * @pScsiReply: Pointer to MPT reply frame
428 *
429 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
430 *
431 * Refer to lsi/mpi.h.
432 **/
433 static void
mptscsih_info_scsiio(MPT_ADAPTER * ioc,struct scsi_cmnd * sc,SCSIIOReply_t * pScsiReply)434 mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
435 {
436 char *desc = NULL;
437 char *desc1 = NULL;
438 u16 ioc_status;
439 u8 skey, asc, ascq;
440
441 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
442
443 switch (ioc_status) {
444
445 case MPI_IOCSTATUS_SUCCESS:
446 desc = "success";
447 break;
448 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
449 desc = "invalid bus";
450 break;
451 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
452 desc = "invalid target_id";
453 break;
454 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
455 desc = "device not there";
456 break;
457 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
458 desc = "data overrun";
459 break;
460 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
461 desc = "data underrun";
462 break;
463 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
464 desc = "I/O data error";
465 break;
466 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
467 desc = "protocol error";
468 break;
469 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
470 desc = "task terminated";
471 break;
472 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
473 desc = "residual mismatch";
474 break;
475 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
476 desc = "task management failed";
477 break;
478 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
479 desc = "IOC terminated";
480 break;
481 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
482 desc = "ext terminated";
483 break;
484 default:
485 desc = "";
486 break;
487 }
488
489 switch (pScsiReply->SCSIStatus)
490 {
491
492 case MPI_SCSI_STATUS_SUCCESS:
493 desc1 = "success";
494 break;
495 case MPI_SCSI_STATUS_CHECK_CONDITION:
496 desc1 = "check condition";
497 break;
498 case MPI_SCSI_STATUS_CONDITION_MET:
499 desc1 = "condition met";
500 break;
501 case MPI_SCSI_STATUS_BUSY:
502 desc1 = "busy";
503 break;
504 case MPI_SCSI_STATUS_INTERMEDIATE:
505 desc1 = "intermediate";
506 break;
507 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
508 desc1 = "intermediate condmet";
509 break;
510 case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
511 desc1 = "reservation conflict";
512 break;
513 case MPI_SCSI_STATUS_COMMAND_TERMINATED:
514 desc1 = "command terminated";
515 break;
516 case MPI_SCSI_STATUS_TASK_SET_FULL:
517 desc1 = "task set full";
518 break;
519 case MPI_SCSI_STATUS_ACA_ACTIVE:
520 desc1 = "aca active";
521 break;
522 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
523 desc1 = "fcpext device logged out";
524 break;
525 case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
526 desc1 = "fcpext no link";
527 break;
528 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
529 desc1 = "fcpext unassigned";
530 break;
531 default:
532 desc1 = "";
533 break;
534 }
535
536 scsi_print_command(sc);
537 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %llu\n",
538 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
539 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
540 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
541 scsi_get_resid(sc));
542 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
543 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
544 le32_to_cpu(pScsiReply->TransferCount), sc->result);
545
546 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
547 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
548 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
549 pScsiReply->SCSIState);
550
551 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
552 skey = sc->sense_buffer[2] & 0x0F;
553 asc = sc->sense_buffer[12];
554 ascq = sc->sense_buffer[13];
555
556 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
557 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
558 }
559
560 /*
561 * Look for + dump FCP ResponseInfo[]!
562 */
563 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
564 pScsiReply->ResponseInfo)
565 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
566 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
567 }
568 #endif
569
570 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
571 /*
572 * mptscsih_io_done - Main SCSI IO callback routine registered to
573 * Fusion MPT (base) driver
574 * @ioc: Pointer to MPT_ADAPTER structure
575 * @mf: Pointer to original MPT request frame
576 * @r: Pointer to MPT reply frame (NULL if TurboReply)
577 *
578 * This routine is called from mpt.c::mpt_interrupt() at the completion
579 * of any SCSI IO request.
580 * This routine is registered with the Fusion MPT (base) driver at driver
581 * load/init time via the mpt_register() API call.
582 *
583 * Returns 1 indicating alloc'd request frame ptr should be freed.
584 */
585 int
mptscsih_io_done(MPT_ADAPTER * ioc,MPT_FRAME_HDR * mf,MPT_FRAME_HDR * mr)586 mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
587 {
588 struct scsi_cmnd *sc;
589 MPT_SCSI_HOST *hd;
590 SCSIIORequest_t *pScsiReq;
591 SCSIIOReply_t *pScsiReply;
592 u16 req_idx, req_idx_MR;
593 VirtDevice *vdevice;
594 VirtTarget *vtarget;
595
596 hd = shost_priv(ioc->sh);
597 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
598 req_idx_MR = (mr != NULL) ?
599 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
600
601 /* Special case, where already freed message frame is received from
602 * Firmware. It happens with Resetting IOC.
603 * Return immediately. Do not care
604 */
605 if ((req_idx != req_idx_MR) ||
606 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
607 return 0;
608
609 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
610 if (sc == NULL) {
611 MPIHeader_t *hdr = (MPIHeader_t *)mf;
612
613 /* Remark: writeSDP1 will use the ScsiDoneCtx
614 * If a SCSI I/O cmd, device disabled by OS and
615 * completion done. Cannot touch sc struct. Just free mem.
616 */
617 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
618 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
619 ioc->name);
620
621 mptscsih_freeChainBuffers(ioc, req_idx);
622 return 1;
623 }
624
625 if ((unsigned char *)mf != sc->host_scribble) {
626 mptscsih_freeChainBuffers(ioc, req_idx);
627 return 1;
628 }
629
630 if (ioc->bus_type == SAS) {
631 VirtDevice *vdevice = sc->device->hostdata;
632
633 if (!vdevice || !vdevice->vtarget ||
634 vdevice->vtarget->deleted) {
635 sc->result = DID_NO_CONNECT << 16;
636 goto out;
637 }
638 }
639
640 sc->host_scribble = NULL;
641 sc->result = DID_OK << 16; /* Set default reply as OK */
642 pScsiReq = (SCSIIORequest_t *) mf;
643 pScsiReply = (SCSIIOReply_t *) mr;
644
645 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
646 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
647 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
648 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
649 }else{
650 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
651 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
652 ioc->name, mf, mr, sc, req_idx));
653 }
654
655 if (pScsiReply == NULL) {
656 /* special context reply handling */
657 ;
658 } else {
659 u32 xfer_cnt;
660 u16 status;
661 u8 scsi_state, scsi_status;
662 u32 log_info;
663
664 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
665
666 scsi_state = pScsiReply->SCSIState;
667 scsi_status = pScsiReply->SCSIStatus;
668 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
669 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
670 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
671
672 /*
673 * if we get a data underrun indication, yet no data was
674 * transferred and the SCSI status indicates that the
675 * command was never started, change the data underrun
676 * to success
677 */
678 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
679 (scsi_status == MPI_SCSI_STATUS_BUSY ||
680 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
681 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
682 status = MPI_IOCSTATUS_SUCCESS;
683 }
684
685 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
686 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
687
688 /*
689 * Look for + dump FCP ResponseInfo[]!
690 */
691 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
692 pScsiReply->ResponseInfo) {
693 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%llu] "
694 "FCP_ResponseInfo=%08xh\n", ioc->name,
695 sc->device->host->host_no, sc->device->channel,
696 sc->device->id, sc->device->lun,
697 le32_to_cpu(pScsiReply->ResponseInfo));
698 }
699
700 switch(status) {
701 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
702 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
703 /* CHECKME!
704 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
705 * But not: DID_BUS_BUSY lest one risk
706 * killing interrupt handler:-(
707 */
708 sc->result = SAM_STAT_BUSY;
709 break;
710
711 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
712 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
713 sc->result = DID_BAD_TARGET << 16;
714 break;
715
716 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
717 /* Spoof to SCSI Selection Timeout! */
718 if (ioc->bus_type != FC)
719 sc->result = DID_NO_CONNECT << 16;
720 /* else fibre, just stall until rescan event */
721 else
722 sc->result = DID_REQUEUE << 16;
723
724 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
725 hd->sel_timeout[pScsiReq->TargetID]++;
726
727 vdevice = sc->device->hostdata;
728 if (!vdevice)
729 break;
730 vtarget = vdevice->vtarget;
731 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
732 mptscsih_issue_sep_command(ioc, vtarget,
733 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
734 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
735 }
736 break;
737
738 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
739 if ( ioc->bus_type == SAS ) {
740 u16 ioc_status =
741 le16_to_cpu(pScsiReply->IOCStatus);
742 if ((ioc_status &
743 MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
744 &&
745 ((log_info & SAS_LOGINFO_MASK) ==
746 SAS_LOGINFO_NEXUS_LOSS)) {
747 VirtDevice *vdevice =
748 sc->device->hostdata;
749
750 /* flag the device as being in
751 * device removal delay so we can
752 * notify the midlayer to hold off
753 * on timeout eh */
754 if (vdevice && vdevice->
755 vtarget &&
756 vdevice->vtarget->
757 raidVolume)
758 printk(KERN_INFO
759 "Skipping Raid Volume"
760 "for inDMD\n");
761 else if (vdevice &&
762 vdevice->vtarget)
763 vdevice->vtarget->
764 inDMD = 1;
765
766 sc->result =
767 (DID_TRANSPORT_DISRUPTED
768 << 16);
769 break;
770 }
771 } else if (ioc->bus_type == FC) {
772 /*
773 * The FC IOC may kill a request for variety of
774 * reasons, some of which may be recovered by a
775 * retry, some which are unlikely to be
776 * recovered. Return DID_ERROR instead of
777 * DID_RESET to permit retry of the command,
778 * just not an infinite number of them
779 */
780 sc->result = DID_ERROR << 16;
781 break;
782 }
783
784 /*
785 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
786 */
787
788 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
789 /* Linux handles an unsolicited DID_RESET better
790 * than an unsolicited DID_ABORT.
791 */
792 sc->result = DID_RESET << 16;
793 break;
794
795 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
796 if (ioc->bus_type == FC)
797 sc->result = DID_ERROR << 16;
798 else
799 sc->result = DID_RESET << 16;
800 break;
801
802 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
803 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
804 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
805 sc->result=DID_SOFT_ERROR << 16;
806 else /* Sufficient data transfer occurred */
807 sc->result = (DID_OK << 16) | scsi_status;
808 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
809 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
810 ioc->name, sc->result, sc->device->channel, sc->device->id));
811 break;
812
813 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
814 /*
815 * Do upfront check for valid SenseData and give it
816 * precedence!
817 */
818 sc->result = (DID_OK << 16) | scsi_status;
819 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
820
821 /*
822 * For an Errata on LSI53C1030
823 * When the length of request data
824 * and transfer data are different
825 * with result of command (READ or VERIFY),
826 * DID_SOFT_ERROR is set.
827 */
828 if (ioc->bus_type == SPI) {
829 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
830 pScsiReq->CDB[0] == READ_10 ||
831 pScsiReq->CDB[0] == READ_12 ||
832 (pScsiReq->CDB[0] == READ_16 &&
833 ((pScsiReq->CDB[1] & 0x02) == 0)) ||
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
mptscsih_flush_running_cmds(MPT_SCSI_HOST * hd)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
mptscsih_search_running_cmds(MPT_SCSI_HOST * hd,VirtDevice * vdevice)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
mptscsih_report_queue_full(struct scsi_cmnd * sc,SCSIIOReply_t * pScsiReply,SCSIIORequest_t * pScsiReq)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:%llu) 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
mptscsih_remove(struct pci_dev * pdev)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 if (host == NULL)
1178 hd = NULL;
1179 else
1180 hd = shost_priv(host);
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 if (hd)
1197 kfree(hd->info_kbuf);
1198
1199 /* NULL the Scsi_Host pointer
1200 */
1201 ioc->sh = NULL;
1202
1203 if (host)
1204 scsi_host_put(host);
1205 mpt_detach(pdev);
1206
1207 }
1208
1209 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1210 /*
1211 * mptscsih_shutdown - reboot notifier
1212 *
1213 */
1214 void
mptscsih_shutdown(struct pci_dev * pdev)1215 mptscsih_shutdown(struct pci_dev *pdev)
1216 {
1217 }
1218
1219 #ifdef CONFIG_PM
1220 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1221 /*
1222 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1223 *
1224 *
1225 */
1226 int
mptscsih_suspend(struct pci_dev * pdev,pm_message_t state)1227 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1228 {
1229 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1230
1231 scsi_block_requests(ioc->sh);
1232 flush_scheduled_work();
1233 mptscsih_shutdown(pdev);
1234 return mpt_suspend(pdev,state);
1235 }
1236
1237 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1238 /*
1239 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1240 *
1241 *
1242 */
1243 int
mptscsih_resume(struct pci_dev * pdev)1244 mptscsih_resume(struct pci_dev *pdev)
1245 {
1246 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1247 int rc;
1248
1249 rc = mpt_resume(pdev);
1250 scsi_unblock_requests(ioc->sh);
1251 return rc;
1252 }
1253
1254 #endif
1255
1256 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1257 /**
1258 * mptscsih_info - Return information about MPT adapter
1259 * @SChost: Pointer to Scsi_Host structure
1260 *
1261 * (linux scsi_host_template.info routine)
1262 *
1263 * Returns pointer to buffer where information was written.
1264 */
1265 const char *
mptscsih_info(struct Scsi_Host * SChost)1266 mptscsih_info(struct Scsi_Host *SChost)
1267 {
1268 MPT_SCSI_HOST *h;
1269 int size = 0;
1270
1271 h = shost_priv(SChost);
1272
1273 if (h->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 return h->info_kbuf;
1282 }
1283
mptscsih_show_info(struct seq_file * m,struct Scsi_Host * host)1284 int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host)
1285 {
1286 MPT_SCSI_HOST *hd = shost_priv(host);
1287 MPT_ADAPTER *ioc = hd->ioc;
1288
1289 seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name);
1290 seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1291 seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts);
1292 seq_printf(m, "MaxQ=%d\n", ioc->req_depth);
1293
1294 return 0;
1295 }
1296
1297 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1298 #define ADD_INDEX_LOG(req_ent) do { } while(0)
1299
1300 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1301 /**
1302 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1303 * @SCpnt: Pointer to scsi_cmnd structure
1304 *
1305 * (linux scsi_host_template.queuecommand routine)
1306 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1307 * from a linux scsi_cmnd request and send it to the IOC.
1308 *
1309 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1310 */
1311 int
mptscsih_qcmd(struct scsi_cmnd * SCpnt)1312 mptscsih_qcmd(struct scsi_cmnd *SCpnt)
1313 {
1314 MPT_SCSI_HOST *hd;
1315 MPT_FRAME_HDR *mf;
1316 SCSIIORequest_t *pScsiReq;
1317 VirtDevice *vdevice = SCpnt->device->hostdata;
1318 u32 datalen;
1319 u32 scsictl;
1320 u32 scsidir;
1321 u32 cmd_len;
1322 int my_idx;
1323 int ii;
1324 MPT_ADAPTER *ioc;
1325
1326 hd = shost_priv(SCpnt->device->host);
1327 ioc = hd->ioc;
1328
1329 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p\n",
1330 ioc->name, SCpnt));
1331
1332 if (ioc->taskmgmt_quiesce_io)
1333 return SCSI_MLQUEUE_HOST_BUSY;
1334
1335 /*
1336 * Put together a MPT SCSI request...
1337 */
1338 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1339 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1340 ioc->name));
1341 return SCSI_MLQUEUE_HOST_BUSY;
1342 }
1343
1344 pScsiReq = (SCSIIORequest_t *) mf;
1345
1346 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1347
1348 ADD_INDEX_LOG(my_idx);
1349
1350 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1351 * Seems we may receive a buffer (datalen>0) even when there
1352 * will be no data transfer! GRRRRR...
1353 */
1354 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1355 datalen = scsi_bufflen(SCpnt);
1356 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1357 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1358 datalen = scsi_bufflen(SCpnt);
1359 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1360 } else {
1361 datalen = 0;
1362 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1363 }
1364
1365 /* Default to untagged. Once a target structure has been allocated,
1366 * use the Inquiry data to determine if device supports tagged.
1367 */
1368 if ((vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) &&
1369 SCpnt->device->tagged_supported)
1370 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1371 else
1372 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1373
1374
1375 /* Use the above information to set up the message frame
1376 */
1377 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1378 pScsiReq->Bus = vdevice->vtarget->channel;
1379 pScsiReq->ChainOffset = 0;
1380 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1381 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1382 else
1383 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1384 pScsiReq->CDBLength = SCpnt->cmd_len;
1385 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1386 pScsiReq->Reserved = 0;
1387 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1388 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1389 pScsiReq->Control = cpu_to_le32(scsictl);
1390
1391 /*
1392 * Write SCSI CDB into the message
1393 */
1394 cmd_len = SCpnt->cmd_len;
1395 for (ii=0; ii < cmd_len; ii++)
1396 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1397
1398 for (ii=cmd_len; ii < 16; ii++)
1399 pScsiReq->CDB[ii] = 0;
1400
1401 /* DataLength */
1402 pScsiReq->DataLength = cpu_to_le32(datalen);
1403
1404 /* SenseBuffer low address */
1405 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1406 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1407
1408 /* Now add the SG list
1409 * Always have a SGE even if null length.
1410 */
1411 if (datalen == 0) {
1412 /* Add a NULL SGE */
1413 ioc->add_sge((char *)&pScsiReq->SGL,
1414 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1415 (dma_addr_t) -1);
1416 } else {
1417 /* Add a 32 or 64 bit SGE */
1418 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1419 goto fail;
1420 }
1421
1422 SCpnt->host_scribble = (unsigned char *)mf;
1423 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1424
1425 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1426 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1427 ioc->name, SCpnt, mf, my_idx));
1428 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1429 return 0;
1430
1431 fail:
1432 mptscsih_freeChainBuffers(ioc, my_idx);
1433 mpt_free_msg_frame(ioc, mf);
1434 return SCSI_MLQUEUE_HOST_BUSY;
1435 }
1436
1437 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1438 /*
1439 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1440 * with a SCSI IO request
1441 * @hd: Pointer to the MPT_SCSI_HOST instance
1442 * @req_idx: Index of the SCSI IO request frame.
1443 *
1444 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1445 * No return.
1446 */
1447 static void
mptscsih_freeChainBuffers(MPT_ADAPTER * ioc,int req_idx)1448 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1449 {
1450 MPT_FRAME_HDR *chain;
1451 unsigned long flags;
1452 int chain_idx;
1453 int next;
1454
1455 /* Get the first chain index and reset
1456 * tracker state.
1457 */
1458 chain_idx = ioc->ReqToChain[req_idx];
1459 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1460
1461 while (chain_idx != MPT_HOST_NO_CHAIN) {
1462
1463 /* Save the next chain buffer index */
1464 next = ioc->ChainToChain[chain_idx];
1465
1466 /* Free this chain buffer and reset
1467 * tracker
1468 */
1469 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1470
1471 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1472 + (chain_idx * ioc->req_sz));
1473
1474 spin_lock_irqsave(&ioc->FreeQlock, flags);
1475 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1476 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1477
1478 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1479 ioc->name, chain_idx));
1480
1481 /* handle next */
1482 chain_idx = next;
1483 }
1484 return;
1485 }
1486
1487 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1488 /*
1489 * Reset Handling
1490 */
1491
1492 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1493 /**
1494 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1495 * @hd: Pointer to MPT_SCSI_HOST structure
1496 * @type: Task Management type
1497 * @channel: channel number for task management
1498 * @id: Logical Target ID for reset (if appropriate)
1499 * @lun: Logical Unit for reset (if appropriate)
1500 * @ctx2abort: Context for the task to be aborted (if appropriate)
1501 * @timeout: timeout for task management control
1502 *
1503 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1504 * or a non-interrupt thread. In the former, must not call schedule().
1505 *
1506 * Not all fields are meaningfull for all task types.
1507 *
1508 * Returns 0 for SUCCESS, or FAILED.
1509 *
1510 **/
1511 int
mptscsih_IssueTaskMgmt(MPT_SCSI_HOST * hd,u8 type,u8 channel,u8 id,u64 lun,int ctx2abort,ulong timeout)1512 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, u64 lun,
1513 int ctx2abort, ulong timeout)
1514 {
1515 MPT_FRAME_HDR *mf;
1516 SCSITaskMgmt_t *pScsiTm;
1517 int ii;
1518 int retval;
1519 MPT_ADAPTER *ioc = hd->ioc;
1520 unsigned long timeleft;
1521 u8 issue_hard_reset;
1522 u32 ioc_raw_state;
1523 unsigned long time_count;
1524
1525 issue_hard_reset = 0;
1526 ioc_raw_state = mpt_GetIocState(ioc, 0);
1527
1528 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1529 printk(MYIOC_s_WARN_FMT
1530 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1531 ioc->name, type, ioc_raw_state);
1532 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1533 ioc->name, __func__);
1534 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1535 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1536 "FAILED!!\n", ioc->name);
1537 return 0;
1538 }
1539
1540 /* DOORBELL ACTIVE check is not required if
1541 * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported.
1542 */
1543
1544 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
1545 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
1546 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
1547 printk(MYIOC_s_WARN_FMT
1548 "TaskMgmt type=%x: ioc_state: "
1549 "DOORBELL_ACTIVE (0x%x)!\n",
1550 ioc->name, type, ioc_raw_state);
1551 return FAILED;
1552 }
1553
1554 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1555 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1556 mf = NULL;
1557 retval = FAILED;
1558 goto out;
1559 }
1560
1561 /* Return Fail to calling function if no message frames available.
1562 */
1563 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1564 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1565 "TaskMgmt no msg frames!!\n", ioc->name));
1566 retval = FAILED;
1567 mpt_clear_taskmgmt_in_progress_flag(ioc);
1568 goto out;
1569 }
1570 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1571 ioc->name, mf));
1572
1573 /* Format the Request
1574 */
1575 pScsiTm = (SCSITaskMgmt_t *) mf;
1576 pScsiTm->TargetID = id;
1577 pScsiTm->Bus = channel;
1578 pScsiTm->ChainOffset = 0;
1579 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1580
1581 pScsiTm->Reserved = 0;
1582 pScsiTm->TaskType = type;
1583 pScsiTm->Reserved1 = 0;
1584 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1585 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1586
1587 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1588
1589 for (ii=0; ii < 7; ii++)
1590 pScsiTm->Reserved2[ii] = 0;
1591
1592 pScsiTm->TaskMsgContext = ctx2abort;
1593
1594 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1595 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1596 type, timeout));
1597
1598 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1599
1600 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1601 time_count = jiffies;
1602 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1603 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1604 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1605 else {
1606 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1607 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1608 if (retval) {
1609 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1610 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1611 ioc->name, mf, retval));
1612 mpt_free_msg_frame(ioc, mf);
1613 mpt_clear_taskmgmt_in_progress_flag(ioc);
1614 goto out;
1615 }
1616 }
1617
1618 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1619 timeout*HZ);
1620 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1621 retval = FAILED;
1622 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1623 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1624 mpt_clear_taskmgmt_in_progress_flag(ioc);
1625 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1626 goto out;
1627 issue_hard_reset = 1;
1628 goto out;
1629 }
1630
1631 retval = mptscsih_taskmgmt_reply(ioc, type,
1632 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1633
1634 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1635 "TaskMgmt completed (%d seconds)\n",
1636 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1637
1638 out:
1639
1640 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1641 if (issue_hard_reset) {
1642 printk(MYIOC_s_WARN_FMT
1643 "Issuing Reset from %s!! doorbell=0x%08x\n",
1644 ioc->name, __func__, mpt_GetIocState(ioc, 0));
1645 retval = (ioc->bus_type == SAS) ?
1646 mpt_HardResetHandler(ioc, CAN_SLEEP) :
1647 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1648 mpt_free_msg_frame(ioc, mf);
1649 }
1650
1651 retval = (retval == 0) ? 0 : FAILED;
1652 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1653 return retval;
1654 }
1655 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1656
1657 static int
mptscsih_get_tm_timeout(MPT_ADAPTER * ioc)1658 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1659 {
1660 switch (ioc->bus_type) {
1661 case FC:
1662 return 40;
1663 case SAS:
1664 return 30;
1665 case SPI:
1666 default:
1667 return 10;
1668 }
1669 }
1670
1671 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1672 /**
1673 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1674 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1675 *
1676 * (linux scsi_host_template.eh_abort_handler routine)
1677 *
1678 * Returns SUCCESS or FAILED.
1679 **/
1680 int
mptscsih_abort(struct scsi_cmnd * SCpnt)1681 mptscsih_abort(struct scsi_cmnd * SCpnt)
1682 {
1683 MPT_SCSI_HOST *hd;
1684 MPT_FRAME_HDR *mf;
1685 u32 ctx2abort;
1686 int scpnt_idx;
1687 int retval;
1688 VirtDevice *vdevice;
1689 MPT_ADAPTER *ioc;
1690
1691 /* If we can't locate our host adapter structure, return FAILED status.
1692 */
1693 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1694 SCpnt->result = DID_RESET << 16;
1695 SCpnt->scsi_done(SCpnt);
1696 printk(KERN_ERR MYNAM ": task abort: "
1697 "can't locate host! (sc=%p)\n", SCpnt);
1698 return FAILED;
1699 }
1700
1701 ioc = hd->ioc;
1702 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1703 ioc->name, SCpnt);
1704 scsi_print_command(SCpnt);
1705
1706 vdevice = SCpnt->device->hostdata;
1707 if (!vdevice || !vdevice->vtarget) {
1708 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1709 "task abort: device has been deleted (sc=%p)\n",
1710 ioc->name, SCpnt));
1711 SCpnt->result = DID_NO_CONNECT << 16;
1712 SCpnt->scsi_done(SCpnt);
1713 retval = SUCCESS;
1714 goto out;
1715 }
1716
1717 /* Task aborts are not supported for hidden raid components.
1718 */
1719 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1720 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1721 "task abort: hidden raid component (sc=%p)\n",
1722 ioc->name, SCpnt));
1723 SCpnt->result = DID_RESET << 16;
1724 retval = FAILED;
1725 goto out;
1726 }
1727
1728 /* Task aborts are not supported for volumes.
1729 */
1730 if (vdevice->vtarget->raidVolume) {
1731 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1732 "task abort: raid volume (sc=%p)\n",
1733 ioc->name, SCpnt));
1734 SCpnt->result = DID_RESET << 16;
1735 retval = FAILED;
1736 goto out;
1737 }
1738
1739 /* Find this command
1740 */
1741 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1742 /* Cmd not found in ScsiLookup.
1743 * Do OS callback.
1744 */
1745 SCpnt->result = DID_RESET << 16;
1746 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1747 "Command not in the active list! (sc=%p)\n", ioc->name,
1748 SCpnt));
1749 retval = SUCCESS;
1750 goto out;
1751 }
1752
1753 if (ioc->timeouts < -1)
1754 ioc->timeouts++;
1755
1756 if (mpt_fwfault_debug)
1757 mpt_halt_firmware(ioc);
1758
1759 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1760 * (the IO to be ABORT'd)
1761 *
1762 * NOTE: Since we do not byteswap MsgContext, we do not
1763 * swap it here either. It is an opaque cookie to
1764 * the controller, so it does not matter. -DaveM
1765 */
1766 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1767 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1768 retval = mptscsih_IssueTaskMgmt(hd,
1769 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1770 vdevice->vtarget->channel,
1771 vdevice->vtarget->id, vdevice->lun,
1772 ctx2abort, mptscsih_get_tm_timeout(ioc));
1773
1774 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
1775 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1776 "task abort: command still in active list! (sc=%p)\n",
1777 ioc->name, SCpnt));
1778 retval = FAILED;
1779 } else {
1780 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1781 "task abort: command cleared from active list! (sc=%p)\n",
1782 ioc->name, SCpnt));
1783 retval = SUCCESS;
1784 }
1785
1786 out:
1787 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
1788 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1789 SCpnt);
1790
1791 return retval;
1792 }
1793
1794 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1795 /**
1796 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1797 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1798 *
1799 * (linux scsi_host_template.eh_dev_reset_handler routine)
1800 *
1801 * Returns SUCCESS or FAILED.
1802 **/
1803 int
mptscsih_dev_reset(struct scsi_cmnd * SCpnt)1804 mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1805 {
1806 MPT_SCSI_HOST *hd;
1807 int retval;
1808 VirtDevice *vdevice;
1809 MPT_ADAPTER *ioc;
1810
1811 /* If we can't locate our host adapter structure, return FAILED status.
1812 */
1813 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1814 printk(KERN_ERR MYNAM ": target reset: "
1815 "Can't locate host! (sc=%p)\n", SCpnt);
1816 return FAILED;
1817 }
1818
1819 ioc = hd->ioc;
1820 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1821 ioc->name, SCpnt);
1822 scsi_print_command(SCpnt);
1823
1824 vdevice = SCpnt->device->hostdata;
1825 if (!vdevice || !vdevice->vtarget) {
1826 retval = 0;
1827 goto out;
1828 }
1829
1830 /* Target reset to hidden raid component is not supported
1831 */
1832 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1833 retval = FAILED;
1834 goto out;
1835 }
1836
1837 retval = mptscsih_IssueTaskMgmt(hd,
1838 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1839 vdevice->vtarget->channel,
1840 vdevice->vtarget->id, 0, 0,
1841 mptscsih_get_tm_timeout(ioc));
1842
1843 out:
1844 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1845 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1846
1847 if (retval == 0)
1848 return SUCCESS;
1849 else
1850 return FAILED;
1851 }
1852
1853
1854 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1855 /**
1856 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1857 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1858 *
1859 * (linux scsi_host_template.eh_bus_reset_handler routine)
1860 *
1861 * Returns SUCCESS or FAILED.
1862 **/
1863 int
mptscsih_bus_reset(struct scsi_cmnd * SCpnt)1864 mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1865 {
1866 MPT_SCSI_HOST *hd;
1867 int retval;
1868 VirtDevice *vdevice;
1869 MPT_ADAPTER *ioc;
1870
1871 /* If we can't locate our host adapter structure, return FAILED status.
1872 */
1873 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1874 printk(KERN_ERR MYNAM ": bus reset: "
1875 "Can't locate host! (sc=%p)\n", SCpnt);
1876 return FAILED;
1877 }
1878
1879 ioc = hd->ioc;
1880 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1881 ioc->name, SCpnt);
1882 scsi_print_command(SCpnt);
1883
1884 if (ioc->timeouts < -1)
1885 ioc->timeouts++;
1886
1887 vdevice = SCpnt->device->hostdata;
1888 if (!vdevice || !vdevice->vtarget)
1889 return SUCCESS;
1890 retval = mptscsih_IssueTaskMgmt(hd,
1891 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1892 vdevice->vtarget->channel, 0, 0, 0,
1893 mptscsih_get_tm_timeout(ioc));
1894
1895 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1896 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1897
1898 if (retval == 0)
1899 return SUCCESS;
1900 else
1901 return FAILED;
1902 }
1903
1904 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1905 /**
1906 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1907 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1908 *
1909 * (linux scsi_host_template.eh_host_reset_handler routine)
1910 *
1911 * Returns SUCCESS or FAILED.
1912 */
1913 int
mptscsih_host_reset(struct scsi_cmnd * SCpnt)1914 mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1915 {
1916 MPT_SCSI_HOST * hd;
1917 int status = SUCCESS;
1918 MPT_ADAPTER *ioc;
1919 int retval;
1920
1921 /* If we can't locate the host to reset, then we failed. */
1922 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1923 printk(KERN_ERR MYNAM ": host reset: "
1924 "Can't locate host! (sc=%p)\n", SCpnt);
1925 return FAILED;
1926 }
1927
1928 /* make sure we have no outstanding commands at this stage */
1929 mptscsih_flush_running_cmds(hd);
1930
1931 ioc = hd->ioc;
1932 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1933 ioc->name, SCpnt);
1934
1935 /* If our attempts to reset the host failed, then return a failed
1936 * status. The host will be taken off line by the SCSI mid-layer.
1937 */
1938 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1939 if (retval < 0)
1940 status = FAILED;
1941 else
1942 status = SUCCESS;
1943
1944 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1945 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1946
1947 return status;
1948 }
1949
1950 static int
mptscsih_taskmgmt_reply(MPT_ADAPTER * ioc,u8 type,SCSITaskMgmtReply_t * pScsiTmReply)1951 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
1952 SCSITaskMgmtReply_t *pScsiTmReply)
1953 {
1954 u16 iocstatus;
1955 u32 termination_count;
1956 int retval;
1957
1958 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
1959 retval = FAILED;
1960 goto out;
1961 }
1962
1963 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
1964
1965 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
1966 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
1967
1968 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1969 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
1970 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
1971 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
1972 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
1973 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
1974 termination_count));
1975
1976 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
1977 pScsiTmReply->ResponseCode)
1978 mptscsih_taskmgmt_response_code(ioc,
1979 pScsiTmReply->ResponseCode);
1980
1981 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
1982 retval = 0;
1983 goto out;
1984 }
1985
1986 retval = FAILED;
1987 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
1988 if (termination_count == 1)
1989 retval = 0;
1990 goto out;
1991 }
1992
1993 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
1994 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
1995 retval = 0;
1996
1997 out:
1998 return retval;
1999 }
2000
2001 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2002 void
mptscsih_taskmgmt_response_code(MPT_ADAPTER * ioc,u8 response_code)2003 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2004 {
2005 char *desc;
2006
2007 switch (response_code) {
2008 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2009 desc = "The task completed.";
2010 break;
2011 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2012 desc = "The IOC received an invalid frame status.";
2013 break;
2014 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2015 desc = "The task type is not supported.";
2016 break;
2017 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2018 desc = "The requested task failed.";
2019 break;
2020 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2021 desc = "The task completed successfully.";
2022 break;
2023 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2024 desc = "The LUN request is invalid.";
2025 break;
2026 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2027 desc = "The task is in the IOC queue and has not been sent to target.";
2028 break;
2029 default:
2030 desc = "unknown";
2031 break;
2032 }
2033 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2034 ioc->name, response_code, desc);
2035 }
2036 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2037
2038 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2039 /**
2040 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2041 * @ioc: Pointer to MPT_ADAPTER structure
2042 * @mf: Pointer to SCSI task mgmt request frame
2043 * @mr: Pointer to SCSI task mgmt reply frame
2044 *
2045 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2046 * of any SCSI task management request.
2047 * This routine is registered with the MPT (base) driver at driver
2048 * load/init time via the mpt_register() API call.
2049 *
2050 * Returns 1 indicating alloc'd request frame ptr should be freed.
2051 **/
2052 int
mptscsih_taskmgmt_complete(MPT_ADAPTER * ioc,MPT_FRAME_HDR * mf,MPT_FRAME_HDR * mr)2053 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2054 MPT_FRAME_HDR *mr)
2055 {
2056 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2057 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2058
2059 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2060
2061 if (!mr)
2062 goto out;
2063
2064 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2065 memcpy(ioc->taskmgmt_cmds.reply, mr,
2066 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2067 out:
2068 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2069 mpt_clear_taskmgmt_in_progress_flag(ioc);
2070 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2071 complete(&ioc->taskmgmt_cmds.done);
2072 if (ioc->bus_type == SAS)
2073 ioc->schedule_target_reset(ioc);
2074 return 1;
2075 }
2076 return 0;
2077 }
2078
2079 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2080 /*
2081 * This is anyones guess quite frankly.
2082 */
2083 int
mptscsih_bios_param(struct scsi_device * sdev,struct block_device * bdev,sector_t capacity,int geom[])2084 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2085 sector_t capacity, int geom[])
2086 {
2087 int heads;
2088 int sectors;
2089 sector_t cylinders;
2090 ulong dummy;
2091
2092 heads = 64;
2093 sectors = 32;
2094
2095 dummy = heads * sectors;
2096 cylinders = capacity;
2097 sector_div(cylinders,dummy);
2098
2099 /*
2100 * Handle extended translation size for logical drives
2101 * > 1Gb
2102 */
2103 if ((ulong)capacity >= 0x200000) {
2104 heads = 255;
2105 sectors = 63;
2106 dummy = heads * sectors;
2107 cylinders = capacity;
2108 sector_div(cylinders,dummy);
2109 }
2110
2111 /* return result */
2112 geom[0] = heads;
2113 geom[1] = sectors;
2114 geom[2] = cylinders;
2115
2116 return 0;
2117 }
2118
2119 /* Search IOC page 3 to determine if this is hidden physical disk
2120 *
2121 */
2122 int
mptscsih_is_phys_disk(MPT_ADAPTER * ioc,u8 channel,u8 id)2123 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2124 {
2125 struct inactive_raid_component_info *component_info;
2126 int i, j;
2127 RaidPhysDiskPage1_t *phys_disk;
2128 int rc = 0;
2129 int num_paths;
2130
2131 if (!ioc->raid_data.pIocPg3)
2132 goto out;
2133 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2134 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2135 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2136 rc = 1;
2137 goto out;
2138 }
2139 }
2140
2141 if (ioc->bus_type != SAS)
2142 goto out;
2143
2144 /*
2145 * Check if dual path
2146 */
2147 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2148 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2149 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2150 if (num_paths < 2)
2151 continue;
2152 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2153 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2154 if (!phys_disk)
2155 continue;
2156 if ((mpt_raid_phys_disk_pg1(ioc,
2157 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2158 phys_disk))) {
2159 kfree(phys_disk);
2160 continue;
2161 }
2162 for (j = 0; j < num_paths; j++) {
2163 if ((phys_disk->Path[j].Flags &
2164 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2165 continue;
2166 if ((phys_disk->Path[j].Flags &
2167 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2168 continue;
2169 if ((id == phys_disk->Path[j].PhysDiskID) &&
2170 (channel == phys_disk->Path[j].PhysDiskBus)) {
2171 rc = 1;
2172 kfree(phys_disk);
2173 goto out;
2174 }
2175 }
2176 kfree(phys_disk);
2177 }
2178
2179
2180 /*
2181 * Check inactive list for matching phys disks
2182 */
2183 if (list_empty(&ioc->raid_data.inactive_list))
2184 goto out;
2185
2186 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2187 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2188 list) {
2189 if ((component_info->d.PhysDiskID == id) &&
2190 (component_info->d.PhysDiskBus == channel))
2191 rc = 1;
2192 }
2193 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2194
2195 out:
2196 return rc;
2197 }
2198 EXPORT_SYMBOL(mptscsih_is_phys_disk);
2199
2200 u8
mptscsih_raid_id_to_num(MPT_ADAPTER * ioc,u8 channel,u8 id)2201 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2202 {
2203 struct inactive_raid_component_info *component_info;
2204 int i, j;
2205 RaidPhysDiskPage1_t *phys_disk;
2206 int rc = -ENXIO;
2207 int num_paths;
2208
2209 if (!ioc->raid_data.pIocPg3)
2210 goto out;
2211 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2212 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2213 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2214 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2215 goto out;
2216 }
2217 }
2218
2219 if (ioc->bus_type != SAS)
2220 goto out;
2221
2222 /*
2223 * Check if dual path
2224 */
2225 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2226 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2227 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2228 if (num_paths < 2)
2229 continue;
2230 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2231 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2232 if (!phys_disk)
2233 continue;
2234 if ((mpt_raid_phys_disk_pg1(ioc,
2235 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2236 phys_disk))) {
2237 kfree(phys_disk);
2238 continue;
2239 }
2240 for (j = 0; j < num_paths; j++) {
2241 if ((phys_disk->Path[j].Flags &
2242 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2243 continue;
2244 if ((phys_disk->Path[j].Flags &
2245 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2246 continue;
2247 if ((id == phys_disk->Path[j].PhysDiskID) &&
2248 (channel == phys_disk->Path[j].PhysDiskBus)) {
2249 rc = phys_disk->PhysDiskNum;
2250 kfree(phys_disk);
2251 goto out;
2252 }
2253 }
2254 kfree(phys_disk);
2255 }
2256
2257 /*
2258 * Check inactive list for matching phys disks
2259 */
2260 if (list_empty(&ioc->raid_data.inactive_list))
2261 goto out;
2262
2263 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2264 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2265 list) {
2266 if ((component_info->d.PhysDiskID == id) &&
2267 (component_info->d.PhysDiskBus == channel))
2268 rc = component_info->d.PhysDiskNum;
2269 }
2270 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2271
2272 out:
2273 return rc;
2274 }
2275 EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2276
2277 /*
2278 * OS entry point to allow for host driver to free allocated memory
2279 * Called if no device present or device being unloaded
2280 */
2281 void
mptscsih_slave_destroy(struct scsi_device * sdev)2282 mptscsih_slave_destroy(struct scsi_device *sdev)
2283 {
2284 struct Scsi_Host *host = sdev->host;
2285 MPT_SCSI_HOST *hd = shost_priv(host);
2286 VirtTarget *vtarget;
2287 VirtDevice *vdevice;
2288 struct scsi_target *starget;
2289
2290 starget = scsi_target(sdev);
2291 vtarget = starget->hostdata;
2292 vdevice = sdev->hostdata;
2293 if (!vdevice)
2294 return;
2295
2296 mptscsih_search_running_cmds(hd, vdevice);
2297 vtarget->num_luns--;
2298 mptscsih_synchronize_cache(hd, vdevice);
2299 kfree(vdevice);
2300 sdev->hostdata = NULL;
2301 }
2302
2303 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2304 /*
2305 * mptscsih_change_queue_depth - This function will set a devices queue depth
2306 * @sdev: per scsi_device pointer
2307 * @qdepth: requested queue depth
2308 *
2309 * Adding support for new 'change_queue_depth' api.
2310 */
2311 int
mptscsih_change_queue_depth(struct scsi_device * sdev,int qdepth)2312 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
2313 {
2314 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2315 VirtTarget *vtarget;
2316 struct scsi_target *starget;
2317 int max_depth;
2318 MPT_ADAPTER *ioc = hd->ioc;
2319
2320 starget = scsi_target(sdev);
2321 vtarget = starget->hostdata;
2322
2323 if (ioc->bus_type == SPI) {
2324 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2325 max_depth = 1;
2326 else if (sdev->type == TYPE_DISK &&
2327 vtarget->minSyncFactor <= MPT_ULTRA160)
2328 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2329 else
2330 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2331 } else
2332 max_depth = ioc->sh->can_queue;
2333
2334 if (!sdev->tagged_supported)
2335 max_depth = 1;
2336
2337 if (qdepth > max_depth)
2338 qdepth = max_depth;
2339
2340 return scsi_change_queue_depth(sdev, qdepth);
2341 }
2342
2343 /*
2344 * OS entry point to adjust the queue_depths on a per-device basis.
2345 * Called once per device the bus scan. Use it to force the queue_depth
2346 * member to 1 if a device does not support Q tags.
2347 * Return non-zero if fails.
2348 */
2349 int
mptscsih_slave_configure(struct scsi_device * sdev)2350 mptscsih_slave_configure(struct scsi_device *sdev)
2351 {
2352 struct Scsi_Host *sh = sdev->host;
2353 VirtTarget *vtarget;
2354 VirtDevice *vdevice;
2355 struct scsi_target *starget;
2356 MPT_SCSI_HOST *hd = shost_priv(sh);
2357 MPT_ADAPTER *ioc = hd->ioc;
2358
2359 starget = scsi_target(sdev);
2360 vtarget = starget->hostdata;
2361 vdevice = sdev->hostdata;
2362
2363 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2364 "device @ %p, channel=%d, id=%d, lun=%llu\n",
2365 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2366 if (ioc->bus_type == SPI)
2367 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2368 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2369 ioc->name, sdev->sdtr, sdev->wdtr,
2370 sdev->ppr, sdev->inquiry_len));
2371
2372 vdevice->configured_lun = 1;
2373
2374 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2375 "Queue depth=%d, tflags=%x\n",
2376 ioc->name, sdev->queue_depth, vtarget->tflags));
2377
2378 if (ioc->bus_type == SPI)
2379 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2380 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2381 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2382 vtarget->minSyncFactor));
2383
2384 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
2385 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2386 "tagged %d, simple %d\n",
2387 ioc->name,sdev->tagged_supported, sdev->simple_tags));
2388
2389 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2390
2391 return 0;
2392 }
2393
2394 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2395 /*
2396 * Private routines...
2397 */
2398
2399 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2400 /* Utility function to copy sense data from the scsi_cmnd buffer
2401 * to the FC and SCSI target structures.
2402 *
2403 */
2404 static void
mptscsih_copy_sense_data(struct scsi_cmnd * sc,MPT_SCSI_HOST * hd,MPT_FRAME_HDR * mf,SCSIIOReply_t * pScsiReply)2405 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2406 {
2407 VirtDevice *vdevice;
2408 SCSIIORequest_t *pReq;
2409 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2410 MPT_ADAPTER *ioc = hd->ioc;
2411
2412 /* Get target structure
2413 */
2414 pReq = (SCSIIORequest_t *) mf;
2415 vdevice = sc->device->hostdata;
2416
2417 if (sense_count) {
2418 u8 *sense_data;
2419 int req_index;
2420
2421 /* Copy the sense received into the scsi command block. */
2422 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2423 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2424 memcpy(sc->sense_buffer, sense_data, MPT_SENSE_BUFFER_ALLOC);
2425
2426 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2427 */
2428 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2429 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2430 int idx;
2431
2432 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2433 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2434 ioc->events[idx].eventContext = ioc->eventContext;
2435
2436 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2437 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2438 (sc->device->channel << 8) | sc->device->id;
2439
2440 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2441
2442 ioc->eventContext++;
2443 if (ioc->pcidev->vendor ==
2444 PCI_VENDOR_ID_IBM) {
2445 mptscsih_issue_sep_command(ioc,
2446 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2447 vdevice->vtarget->tflags |=
2448 MPT_TARGET_FLAGS_LED_ON;
2449 }
2450 }
2451 }
2452 } else {
2453 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2454 ioc->name));
2455 }
2456 }
2457
2458 /**
2459 * mptscsih_get_scsi_lookup - retrieves scmd entry
2460 * @ioc: Pointer to MPT_ADAPTER structure
2461 * @i: index into the array
2462 *
2463 * Returns the scsi_cmd pointer
2464 */
2465 struct scsi_cmnd *
mptscsih_get_scsi_lookup(MPT_ADAPTER * ioc,int i)2466 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2467 {
2468 unsigned long flags;
2469 struct scsi_cmnd *scmd;
2470
2471 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2472 scmd = ioc->ScsiLookup[i];
2473 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2474
2475 return scmd;
2476 }
2477 EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2478
2479 /**
2480 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2481 * @ioc: Pointer to MPT_ADAPTER structure
2482 * @i: index into the array
2483 *
2484 * Returns the scsi_cmd pointer
2485 *
2486 **/
2487 static struct scsi_cmnd *
mptscsih_getclear_scsi_lookup(MPT_ADAPTER * ioc,int i)2488 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2489 {
2490 unsigned long flags;
2491 struct scsi_cmnd *scmd;
2492
2493 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2494 scmd = ioc->ScsiLookup[i];
2495 ioc->ScsiLookup[i] = NULL;
2496 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2497
2498 return scmd;
2499 }
2500
2501 /**
2502 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
2503 *
2504 * @ioc: Pointer to MPT_ADAPTER structure
2505 * @i: index into the array
2506 * @scmd: scsi_cmnd pointer
2507 *
2508 **/
2509 static void
mptscsih_set_scsi_lookup(MPT_ADAPTER * ioc,int i,struct scsi_cmnd * scmd)2510 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2511 {
2512 unsigned long flags;
2513
2514 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2515 ioc->ScsiLookup[i] = scmd;
2516 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2517 }
2518
2519 /**
2520 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2521 * @ioc: Pointer to MPT_ADAPTER structure
2522 * @sc: scsi_cmnd pointer
2523 */
2524 static int
SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER * ioc,struct scsi_cmnd * sc)2525 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2526 {
2527 unsigned long flags;
2528 int i, index=-1;
2529
2530 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2531 for (i = 0; i < ioc->req_depth; i++) {
2532 if (ioc->ScsiLookup[i] == sc) {
2533 index = i;
2534 goto out;
2535 }
2536 }
2537
2538 out:
2539 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2540 return index;
2541 }
2542
2543 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2544 int
mptscsih_ioc_reset(MPT_ADAPTER * ioc,int reset_phase)2545 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2546 {
2547 MPT_SCSI_HOST *hd;
2548
2549 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2550 return 0;
2551
2552 hd = shost_priv(ioc->sh);
2553 switch (reset_phase) {
2554 case MPT_IOC_SETUP_RESET:
2555 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2556 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2557 break;
2558 case MPT_IOC_PRE_RESET:
2559 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2560 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2561 mptscsih_flush_running_cmds(hd);
2562 break;
2563 case MPT_IOC_POST_RESET:
2564 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2565 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2566 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2567 ioc->internal_cmds.status |=
2568 MPT_MGMT_STATUS_DID_IOCRESET;
2569 complete(&ioc->internal_cmds.done);
2570 }
2571 break;
2572 default:
2573 break;
2574 }
2575 return 1; /* currently means nothing really */
2576 }
2577
2578 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2579 int
mptscsih_event_process(MPT_ADAPTER * ioc,EventNotificationReply_t * pEvReply)2580 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2581 {
2582 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2583
2584 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2585 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2586 ioc->name, event));
2587
2588 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2589 event == MPI_EVENT_EXT_BUS_RESET) &&
2590 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2591 ioc->soft_resets++;
2592
2593 return 1; /* currently means nothing really */
2594 }
2595
2596 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2597 /*
2598 * Bus Scan and Domain Validation functionality ...
2599 */
2600
2601 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2602 /*
2603 * mptscsih_scandv_complete - Scan and DV callback routine registered
2604 * to Fustion MPT (base) driver.
2605 *
2606 * @ioc: Pointer to MPT_ADAPTER structure
2607 * @mf: Pointer to original MPT request frame
2608 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2609 *
2610 * This routine is called from mpt.c::mpt_interrupt() at the completion
2611 * of any SCSI IO request.
2612 * This routine is registered with the Fusion MPT (base) driver at driver
2613 * load/init time via the mpt_register() API call.
2614 *
2615 * Returns 1 indicating alloc'd request frame ptr should be freed.
2616 *
2617 * Remark: Sets a completion code and (possibly) saves sense data
2618 * in the IOC member localReply structure.
2619 * Used ONLY for DV and other internal commands.
2620 */
2621 int
mptscsih_scandv_complete(MPT_ADAPTER * ioc,MPT_FRAME_HDR * req,MPT_FRAME_HDR * reply)2622 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2623 MPT_FRAME_HDR *reply)
2624 {
2625 SCSIIORequest_t *pReq;
2626 SCSIIOReply_t *pReply;
2627 u8 cmd;
2628 u16 req_idx;
2629 u8 *sense_data;
2630 int sz;
2631
2632 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2633 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2634 if (!reply)
2635 goto out;
2636
2637 pReply = (SCSIIOReply_t *) reply;
2638 pReq = (SCSIIORequest_t *) req;
2639 ioc->internal_cmds.completion_code =
2640 mptscsih_get_completion_code(ioc, req, reply);
2641 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2642 memcpy(ioc->internal_cmds.reply, reply,
2643 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2644 cmd = reply->u.hdr.Function;
2645 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2646 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2647 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2648 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2649 sense_data = ((u8 *)ioc->sense_buf_pool +
2650 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2651 sz = min_t(int, pReq->SenseBufferLength,
2652 MPT_SENSE_BUFFER_ALLOC);
2653 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2654 }
2655 out:
2656 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2657 return 0;
2658 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2659 complete(&ioc->internal_cmds.done);
2660 return 1;
2661 }
2662
2663
2664 /**
2665 * mptscsih_get_completion_code - get completion code from MPT request
2666 * @ioc: Pointer to MPT_ADAPTER structure
2667 * @req: Pointer to original MPT request frame
2668 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
2669 *
2670 **/
2671 static int
mptscsih_get_completion_code(MPT_ADAPTER * ioc,MPT_FRAME_HDR * req,MPT_FRAME_HDR * reply)2672 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2673 MPT_FRAME_HDR *reply)
2674 {
2675 SCSIIOReply_t *pReply;
2676 MpiRaidActionReply_t *pr;
2677 u8 scsi_status;
2678 u16 status;
2679 int completion_code;
2680
2681 pReply = (SCSIIOReply_t *)reply;
2682 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2683 scsi_status = pReply->SCSIStatus;
2684
2685 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2686 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2687 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2688 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2689
2690 switch (status) {
2691
2692 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2693 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2694 break;
2695
2696 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2697 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2698 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2699 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2700 completion_code = MPT_SCANDV_DID_RESET;
2701 break;
2702
2703 case MPI_IOCSTATUS_BUSY:
2704 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2705 completion_code = MPT_SCANDV_BUSY;
2706 break;
2707
2708 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2709 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2710 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2711 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2712 completion_code = MPT_SCANDV_GOOD;
2713 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2714 pr = (MpiRaidActionReply_t *)reply;
2715 if (le16_to_cpu(pr->ActionStatus) ==
2716 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2717 completion_code = MPT_SCANDV_GOOD;
2718 else
2719 completion_code = MPT_SCANDV_SOME_ERROR;
2720 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2721 completion_code = MPT_SCANDV_SENSE;
2722 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2723 if (req->u.scsireq.CDB[0] == INQUIRY)
2724 completion_code = MPT_SCANDV_ISSUE_SENSE;
2725 else
2726 completion_code = MPT_SCANDV_DID_RESET;
2727 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2728 completion_code = MPT_SCANDV_DID_RESET;
2729 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2730 completion_code = MPT_SCANDV_DID_RESET;
2731 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2732 completion_code = MPT_SCANDV_BUSY;
2733 else
2734 completion_code = MPT_SCANDV_GOOD;
2735 break;
2736
2737 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2738 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2739 completion_code = MPT_SCANDV_DID_RESET;
2740 else
2741 completion_code = MPT_SCANDV_SOME_ERROR;
2742 break;
2743 default:
2744 completion_code = MPT_SCANDV_SOME_ERROR;
2745 break;
2746
2747 } /* switch(status) */
2748
2749 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2750 " completionCode set to %08xh\n", ioc->name, completion_code));
2751 return completion_code;
2752 }
2753
2754 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2755 /**
2756 * mptscsih_do_cmd - Do internal command.
2757 * @hd: MPT_SCSI_HOST pointer
2758 * @io: INTERNAL_CMD pointer.
2759 *
2760 * Issue the specified internally generated command and do command
2761 * specific cleanup. For bus scan / DV only.
2762 * NOTES: If command is Inquiry and status is good,
2763 * initialize a target structure, save the data
2764 *
2765 * Remark: Single threaded access only.
2766 *
2767 * Return:
2768 * < 0 if an illegal command or no resources
2769 *
2770 * 0 if good
2771 *
2772 * > 0 if command complete but some type of completion error.
2773 */
2774 static int
mptscsih_do_cmd(MPT_SCSI_HOST * hd,INTERNAL_CMD * io)2775 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2776 {
2777 MPT_FRAME_HDR *mf;
2778 SCSIIORequest_t *pScsiReq;
2779 int my_idx, ii, dir;
2780 int timeout;
2781 char cmdLen;
2782 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2783 u8 cmd = io->cmd;
2784 MPT_ADAPTER *ioc = hd->ioc;
2785 int ret = 0;
2786 unsigned long timeleft;
2787 unsigned long flags;
2788
2789 /* don't send internal command during diag reset */
2790 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2791 if (ioc->ioc_reset_in_progress) {
2792 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2793 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2794 "%s: busy with host reset\n", ioc->name, __func__));
2795 return MPT_SCANDV_BUSY;
2796 }
2797 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2798
2799 mutex_lock(&ioc->internal_cmds.mutex);
2800
2801 /* Set command specific information
2802 */
2803 switch (cmd) {
2804 case INQUIRY:
2805 cmdLen = 6;
2806 dir = MPI_SCSIIO_CONTROL_READ;
2807 CDB[0] = cmd;
2808 CDB[4] = io->size;
2809 timeout = 10;
2810 break;
2811
2812 case TEST_UNIT_READY:
2813 cmdLen = 6;
2814 dir = MPI_SCSIIO_CONTROL_READ;
2815 timeout = 10;
2816 break;
2817
2818 case START_STOP:
2819 cmdLen = 6;
2820 dir = MPI_SCSIIO_CONTROL_READ;
2821 CDB[0] = cmd;
2822 CDB[4] = 1; /*Spin up the disk */
2823 timeout = 15;
2824 break;
2825
2826 case REQUEST_SENSE:
2827 cmdLen = 6;
2828 CDB[0] = cmd;
2829 CDB[4] = io->size;
2830 dir = MPI_SCSIIO_CONTROL_READ;
2831 timeout = 10;
2832 break;
2833
2834 case READ_BUFFER:
2835 cmdLen = 10;
2836 dir = MPI_SCSIIO_CONTROL_READ;
2837 CDB[0] = cmd;
2838 if (io->flags & MPT_ICFLAG_ECHO) {
2839 CDB[1] = 0x0A;
2840 } else {
2841 CDB[1] = 0x02;
2842 }
2843
2844 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2845 CDB[1] |= 0x01;
2846 }
2847 CDB[6] = (io->size >> 16) & 0xFF;
2848 CDB[7] = (io->size >> 8) & 0xFF;
2849 CDB[8] = io->size & 0xFF;
2850 timeout = 10;
2851 break;
2852
2853 case WRITE_BUFFER:
2854 cmdLen = 10;
2855 dir = MPI_SCSIIO_CONTROL_WRITE;
2856 CDB[0] = cmd;
2857 if (io->flags & MPT_ICFLAG_ECHO) {
2858 CDB[1] = 0x0A;
2859 } else {
2860 CDB[1] = 0x02;
2861 }
2862 CDB[6] = (io->size >> 16) & 0xFF;
2863 CDB[7] = (io->size >> 8) & 0xFF;
2864 CDB[8] = io->size & 0xFF;
2865 timeout = 10;
2866 break;
2867
2868 case RESERVE:
2869 cmdLen = 6;
2870 dir = MPI_SCSIIO_CONTROL_READ;
2871 CDB[0] = cmd;
2872 timeout = 10;
2873 break;
2874
2875 case RELEASE:
2876 cmdLen = 6;
2877 dir = MPI_SCSIIO_CONTROL_READ;
2878 CDB[0] = cmd;
2879 timeout = 10;
2880 break;
2881
2882 case SYNCHRONIZE_CACHE:
2883 cmdLen = 10;
2884 dir = MPI_SCSIIO_CONTROL_READ;
2885 CDB[0] = cmd;
2886 // CDB[1] = 0x02; /* set immediate bit */
2887 timeout = 10;
2888 break;
2889
2890 default:
2891 /* Error Case */
2892 ret = -EFAULT;
2893 goto out;
2894 }
2895
2896 /* Get and Populate a free Frame
2897 * MsgContext set in mpt_get_msg_frame call
2898 */
2899 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
2900 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2901 ioc->name, __func__));
2902 ret = MPT_SCANDV_BUSY;
2903 goto out;
2904 }
2905
2906 pScsiReq = (SCSIIORequest_t *) mf;
2907
2908 /* Get the request index */
2909 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2910 ADD_INDEX_LOG(my_idx); /* for debug */
2911
2912 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2913 pScsiReq->TargetID = io->physDiskNum;
2914 pScsiReq->Bus = 0;
2915 pScsiReq->ChainOffset = 0;
2916 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2917 } else {
2918 pScsiReq->TargetID = io->id;
2919 pScsiReq->Bus = io->channel;
2920 pScsiReq->ChainOffset = 0;
2921 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2922 }
2923
2924 pScsiReq->CDBLength = cmdLen;
2925 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2926
2927 pScsiReq->Reserved = 0;
2928
2929 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
2930 /* MsgContext set in mpt_get_msg_fram call */
2931
2932 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
2933
2934 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2935 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
2936 else
2937 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2938
2939 if (cmd == REQUEST_SENSE) {
2940 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2941 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2942 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
2943 }
2944
2945 for (ii = 0; ii < 16; ii++)
2946 pScsiReq->CDB[ii] = CDB[ii];
2947
2948 pScsiReq->DataLength = cpu_to_le32(io->size);
2949 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
2950 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
2951
2952 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2953 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n",
2954 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
2955
2956 if (dir == MPI_SCSIIO_CONTROL_READ)
2957 ioc->add_sge((char *) &pScsiReq->SGL,
2958 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
2959 else
2960 ioc->add_sge((char *) &pScsiReq->SGL,
2961 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
2962
2963 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
2964 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
2965 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
2966 timeout*HZ);
2967 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2968 ret = MPT_SCANDV_DID_RESET;
2969 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2970 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
2971 cmd));
2972 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
2973 mpt_free_msg_frame(ioc, mf);
2974 goto out;
2975 }
2976 if (!timeleft) {
2977 printk(MYIOC_s_WARN_FMT
2978 "Issuing Reset from %s!! doorbell=0x%08xh"
2979 " cmd=0x%02x\n",
2980 ioc->name, __func__, mpt_GetIocState(ioc, 0),
2981 cmd);
2982 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2983 mpt_free_msg_frame(ioc, mf);
2984 }
2985 goto out;
2986 }
2987
2988 ret = ioc->internal_cmds.completion_code;
2989 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
2990 ioc->name, __func__, ret));
2991
2992 out:
2993 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
2994 mutex_unlock(&ioc->internal_cmds.mutex);
2995 return ret;
2996 }
2997
2998 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2999 /**
3000 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3001 * @hd: Pointer to a SCSI HOST structure
3002 * @vdevice: virtual target device
3003 *
3004 * Uses the ISR, but with special processing.
3005 * MUST be single-threaded.
3006 *
3007 */
3008 static void
mptscsih_synchronize_cache(MPT_SCSI_HOST * hd,VirtDevice * vdevice)3009 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3010 {
3011 INTERNAL_CMD iocmd;
3012
3013 /* Ignore hidden raid components, this is handled when the command
3014 * is sent to the volume
3015 */
3016 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3017 return;
3018
3019 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3020 !vdevice->configured_lun)
3021 return;
3022
3023 /* Following parameters will not change
3024 * in this routine.
3025 */
3026 iocmd.cmd = SYNCHRONIZE_CACHE;
3027 iocmd.flags = 0;
3028 iocmd.physDiskNum = -1;
3029 iocmd.data = NULL;
3030 iocmd.data_dma = -1;
3031 iocmd.size = 0;
3032 iocmd.rsvd = iocmd.rsvd2 = 0;
3033 iocmd.channel = vdevice->vtarget->channel;
3034 iocmd.id = vdevice->vtarget->id;
3035 iocmd.lun = vdevice->lun;
3036
3037 mptscsih_do_cmd(hd, &iocmd);
3038 }
3039
3040 static ssize_t
mptscsih_version_fw_show(struct device * dev,struct device_attribute * attr,char * buf)3041 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3042 char *buf)
3043 {
3044 struct Scsi_Host *host = class_to_shost(dev);
3045 MPT_SCSI_HOST *hd = shost_priv(host);
3046 MPT_ADAPTER *ioc = hd->ioc;
3047
3048 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3049 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3050 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3051 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3052 ioc->facts.FWVersion.Word & 0x000000FF);
3053 }
3054 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3055
3056 static ssize_t
mptscsih_version_bios_show(struct device * dev,struct device_attribute * attr,char * buf)3057 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3058 char *buf)
3059 {
3060 struct Scsi_Host *host = class_to_shost(dev);
3061 MPT_SCSI_HOST *hd = shost_priv(host);
3062 MPT_ADAPTER *ioc = hd->ioc;
3063
3064 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3065 (ioc->biosVersion & 0xFF000000) >> 24,
3066 (ioc->biosVersion & 0x00FF0000) >> 16,
3067 (ioc->biosVersion & 0x0000FF00) >> 8,
3068 ioc->biosVersion & 0x000000FF);
3069 }
3070 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3071
3072 static ssize_t
mptscsih_version_mpi_show(struct device * dev,struct device_attribute * attr,char * buf)3073 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3074 char *buf)
3075 {
3076 struct Scsi_Host *host = class_to_shost(dev);
3077 MPT_SCSI_HOST *hd = shost_priv(host);
3078 MPT_ADAPTER *ioc = hd->ioc;
3079
3080 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3081 }
3082 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3083
3084 static ssize_t
mptscsih_version_product_show(struct device * dev,struct device_attribute * attr,char * buf)3085 mptscsih_version_product_show(struct device *dev,
3086 struct device_attribute *attr,
3087 char *buf)
3088 {
3089 struct Scsi_Host *host = class_to_shost(dev);
3090 MPT_SCSI_HOST *hd = shost_priv(host);
3091 MPT_ADAPTER *ioc = hd->ioc;
3092
3093 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3094 }
3095 static DEVICE_ATTR(version_product, S_IRUGO,
3096 mptscsih_version_product_show, NULL);
3097
3098 static ssize_t
mptscsih_version_nvdata_persistent_show(struct device * dev,struct device_attribute * attr,char * buf)3099 mptscsih_version_nvdata_persistent_show(struct device *dev,
3100 struct device_attribute *attr,
3101 char *buf)
3102 {
3103 struct Scsi_Host *host = class_to_shost(dev);
3104 MPT_SCSI_HOST *hd = shost_priv(host);
3105 MPT_ADAPTER *ioc = hd->ioc;
3106
3107 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3108 ioc->nvdata_version_persistent);
3109 }
3110 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3111 mptscsih_version_nvdata_persistent_show, NULL);
3112
3113 static ssize_t
mptscsih_version_nvdata_default_show(struct device * dev,struct device_attribute * attr,char * buf)3114 mptscsih_version_nvdata_default_show(struct device *dev,
3115 struct device_attribute *attr, char *buf)
3116 {
3117 struct Scsi_Host *host = class_to_shost(dev);
3118 MPT_SCSI_HOST *hd = shost_priv(host);
3119 MPT_ADAPTER *ioc = hd->ioc;
3120
3121 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3122 }
3123 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3124 mptscsih_version_nvdata_default_show, NULL);
3125
3126 static ssize_t
mptscsih_board_name_show(struct device * dev,struct device_attribute * attr,char * buf)3127 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3128 char *buf)
3129 {
3130 struct Scsi_Host *host = class_to_shost(dev);
3131 MPT_SCSI_HOST *hd = shost_priv(host);
3132 MPT_ADAPTER *ioc = hd->ioc;
3133
3134 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3135 }
3136 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3137
3138 static ssize_t
mptscsih_board_assembly_show(struct device * dev,struct device_attribute * attr,char * buf)3139 mptscsih_board_assembly_show(struct device *dev,
3140 struct device_attribute *attr, char *buf)
3141 {
3142 struct Scsi_Host *host = class_to_shost(dev);
3143 MPT_SCSI_HOST *hd = shost_priv(host);
3144 MPT_ADAPTER *ioc = hd->ioc;
3145
3146 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3147 }
3148 static DEVICE_ATTR(board_assembly, S_IRUGO,
3149 mptscsih_board_assembly_show, NULL);
3150
3151 static ssize_t
mptscsih_board_tracer_show(struct device * dev,struct device_attribute * attr,char * buf)3152 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3153 char *buf)
3154 {
3155 struct Scsi_Host *host = class_to_shost(dev);
3156 MPT_SCSI_HOST *hd = shost_priv(host);
3157 MPT_ADAPTER *ioc = hd->ioc;
3158
3159 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3160 }
3161 static DEVICE_ATTR(board_tracer, S_IRUGO,
3162 mptscsih_board_tracer_show, NULL);
3163
3164 static ssize_t
mptscsih_io_delay_show(struct device * dev,struct device_attribute * attr,char * buf)3165 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3166 char *buf)
3167 {
3168 struct Scsi_Host *host = class_to_shost(dev);
3169 MPT_SCSI_HOST *hd = shost_priv(host);
3170 MPT_ADAPTER *ioc = hd->ioc;
3171
3172 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3173 }
3174 static DEVICE_ATTR(io_delay, S_IRUGO,
3175 mptscsih_io_delay_show, NULL);
3176
3177 static ssize_t
mptscsih_device_delay_show(struct device * dev,struct device_attribute * attr,char * buf)3178 mptscsih_device_delay_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, "%02d\n", ioc->device_missing_delay);
3186 }
3187 static DEVICE_ATTR(device_delay, S_IRUGO,
3188 mptscsih_device_delay_show, NULL);
3189
3190 static ssize_t
mptscsih_debug_level_show(struct device * dev,struct device_attribute * attr,char * buf)3191 mptscsih_debug_level_show(struct device *dev, 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, "%08xh\n", ioc->debug_level);
3199 }
3200 static ssize_t
mptscsih_debug_level_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)3201 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3202 const char *buf, size_t count)
3203 {
3204 struct Scsi_Host *host = class_to_shost(dev);
3205 MPT_SCSI_HOST *hd = shost_priv(host);
3206 MPT_ADAPTER *ioc = hd->ioc;
3207 int val = 0;
3208
3209 if (sscanf(buf, "%x", &val) != 1)
3210 return -EINVAL;
3211
3212 ioc->debug_level = val;
3213 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3214 ioc->name, ioc->debug_level);
3215 return strlen(buf);
3216 }
3217 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3218 mptscsih_debug_level_show, mptscsih_debug_level_store);
3219
3220 struct device_attribute *mptscsih_host_attrs[] = {
3221 &dev_attr_version_fw,
3222 &dev_attr_version_bios,
3223 &dev_attr_version_mpi,
3224 &dev_attr_version_product,
3225 &dev_attr_version_nvdata_persistent,
3226 &dev_attr_version_nvdata_default,
3227 &dev_attr_board_name,
3228 &dev_attr_board_assembly,
3229 &dev_attr_board_tracer,
3230 &dev_attr_io_delay,
3231 &dev_attr_device_delay,
3232 &dev_attr_debug_level,
3233 NULL,
3234 };
3235
3236 EXPORT_SYMBOL(mptscsih_host_attrs);
3237
3238 EXPORT_SYMBOL(mptscsih_remove);
3239 EXPORT_SYMBOL(mptscsih_shutdown);
3240 #ifdef CONFIG_PM
3241 EXPORT_SYMBOL(mptscsih_suspend);
3242 EXPORT_SYMBOL(mptscsih_resume);
3243 #endif
3244 EXPORT_SYMBOL(mptscsih_show_info);
3245 EXPORT_SYMBOL(mptscsih_info);
3246 EXPORT_SYMBOL(mptscsih_qcmd);
3247 EXPORT_SYMBOL(mptscsih_slave_destroy);
3248 EXPORT_SYMBOL(mptscsih_slave_configure);
3249 EXPORT_SYMBOL(mptscsih_abort);
3250 EXPORT_SYMBOL(mptscsih_dev_reset);
3251 EXPORT_SYMBOL(mptscsih_bus_reset);
3252 EXPORT_SYMBOL(mptscsih_host_reset);
3253 EXPORT_SYMBOL(mptscsih_bios_param);
3254 EXPORT_SYMBOL(mptscsih_io_done);
3255 EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3256 EXPORT_SYMBOL(mptscsih_scandv_complete);
3257 EXPORT_SYMBOL(mptscsih_event_process);
3258 EXPORT_SYMBOL(mptscsih_ioc_reset);
3259 EXPORT_SYMBOL(mptscsih_change_queue_depth);
3260
3261 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3262