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>
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 fallthrough;
788
789 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
790 /* Linux handles an unsolicited DID_RESET better
791 * than an unsolicited DID_ABORT.
792 */
793 sc->result = DID_RESET << 16;
794 break;
795
796 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
797 if (ioc->bus_type == FC)
798 sc->result = DID_ERROR << 16;
799 else
800 sc->result = DID_RESET << 16;
801 break;
802
803 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
804 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
805 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
806 sc->result=DID_SOFT_ERROR << 16;
807 else /* Sufficient data transfer occurred */
808 sc->result = (DID_OK << 16) | scsi_status;
809 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
810 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
811 ioc->name, sc->result, sc->device->channel, sc->device->id));
812 break;
813
814 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
815 /*
816 * Do upfront check for valid SenseData and give it
817 * precedence!
818 */
819 sc->result = (DID_OK << 16) | scsi_status;
820 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
821
822 /*
823 * For an Errata on LSI53C1030
824 * When the length of request data
825 * and transfer data are different
826 * with result of command (READ or VERIFY),
827 * DID_SOFT_ERROR is set.
828 */
829 if (ioc->bus_type == SPI) {
830 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
831 pScsiReq->CDB[0] == READ_10 ||
832 pScsiReq->CDB[0] == READ_12 ||
833 (pScsiReq->CDB[0] == READ_16 &&
834 ((pScsiReq->CDB[1] & 0x02) == 0)) ||
835 pScsiReq->CDB[0] == VERIFY ||
836 pScsiReq->CDB[0] == VERIFY_16) {
837 if (scsi_bufflen(sc) !=
838 xfer_cnt) {
839 sc->result =
840 DID_SOFT_ERROR << 16;
841 printk(KERN_WARNING "Errata"
842 "on LSI53C1030 occurred."
843 "sc->req_bufflen=0x%02x,"
844 "xfer_cnt=0x%02x\n",
845 scsi_bufflen(sc),
846 xfer_cnt);
847 }
848 }
849 }
850
851 if (xfer_cnt < sc->underflow) {
852 if (scsi_status == SAM_STAT_BUSY)
853 sc->result = SAM_STAT_BUSY;
854 else
855 sc->result = DID_SOFT_ERROR << 16;
856 }
857 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
858 /* What to do?
859 */
860 sc->result = DID_SOFT_ERROR << 16;
861 }
862 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
863 /* Not real sure here either... */
864 sc->result = DID_RESET << 16;
865 }
866 }
867
868
869 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
870 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
871 ioc->name, sc->underflow));
872 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
873 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
874
875 /* Report Queue Full
876 */
877 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
878 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
879
880 break;
881
882 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
883 scsi_set_resid(sc, 0);
884 fallthrough;
885 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
886 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
887 sc->result = (DID_OK << 16) | scsi_status;
888 if (scsi_state == 0) {
889 ;
890 } else if (scsi_state &
891 MPI_SCSI_STATE_AUTOSENSE_VALID) {
892
893 /*
894 * For potential trouble on LSI53C1030.
895 * (date:2007.xx.)
896 * It is checked whether the length of
897 * request data is equal to
898 * the length of transfer and residual.
899 * MEDIUM_ERROR is set by incorrect data.
900 */
901 if ((ioc->bus_type == SPI) &&
902 (sc->sense_buffer[2] & 0x20)) {
903 u32 difftransfer;
904 difftransfer =
905 sc->sense_buffer[3] << 24 |
906 sc->sense_buffer[4] << 16 |
907 sc->sense_buffer[5] << 8 |
908 sc->sense_buffer[6];
909 if (((sc->sense_buffer[3] & 0x80) ==
910 0x80) && (scsi_bufflen(sc)
911 != xfer_cnt)) {
912 sc->sense_buffer[2] =
913 MEDIUM_ERROR;
914 sc->sense_buffer[12] = 0xff;
915 sc->sense_buffer[13] = 0xff;
916 printk(KERN_WARNING"Errata"
917 "on LSI53C1030 occurred."
918 "sc->req_bufflen=0x%02x,"
919 "xfer_cnt=0x%02x\n" ,
920 scsi_bufflen(sc),
921 xfer_cnt);
922 }
923 if (((sc->sense_buffer[3] & 0x80)
924 != 0x80) &&
925 (scsi_bufflen(sc) !=
926 xfer_cnt + difftransfer)) {
927 sc->sense_buffer[2] =
928 MEDIUM_ERROR;
929 sc->sense_buffer[12] = 0xff;
930 sc->sense_buffer[13] = 0xff;
931 printk(KERN_WARNING
932 "Errata on LSI53C1030 occurred"
933 "sc->req_bufflen=0x%02x,"
934 " xfer_cnt=0x%02x,"
935 "difftransfer=0x%02x\n",
936 scsi_bufflen(sc),
937 xfer_cnt,
938 difftransfer);
939 }
940 }
941
942 /*
943 * If running against circa 200003dd 909 MPT f/w,
944 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
945 * (QUEUE_FULL) returned from device! --> get 0x0000?128
946 * and with SenseBytes set to 0.
947 */
948 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
949 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
950
951 }
952 else if (scsi_state &
953 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
954 ) {
955 /*
956 * What to do?
957 */
958 sc->result = DID_SOFT_ERROR << 16;
959 }
960 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
961 /* Not real sure here either... */
962 sc->result = DID_RESET << 16;
963 }
964 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
965 /* Device Inq. data indicates that it supports
966 * QTags, but rejects QTag messages.
967 * This command completed OK.
968 *
969 * Not real sure here either so do nothing... */
970 }
971
972 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
973 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
974
975 /* Add handling of:
976 * Reservation Conflict, Busy,
977 * Command Terminated, CHECK
978 */
979 break;
980
981 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
982 sc->result = DID_SOFT_ERROR << 16;
983 break;
984
985 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
986 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
987 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
988 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
989 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
990 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
991 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
992 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
993 default:
994 /*
995 * What to do?
996 */
997 sc->result = DID_SOFT_ERROR << 16;
998 break;
999
1000 } /* switch(status) */
1001
1002 #ifdef CONFIG_FUSION_LOGGING
1003 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
1004 mptscsih_info_scsiio(ioc, sc, pScsiReply);
1005 #endif
1006
1007 } /* end of address reply case */
1008 out:
1009 /* Unmap the DMA buffers, if any. */
1010 scsi_dma_unmap(sc);
1011
1012 scsi_done(sc); /* Issue the command callback */
1013
1014 /* Free Chain buffers */
1015 mptscsih_freeChainBuffers(ioc, req_idx);
1016 return 1;
1017 }
1018
1019 /*
1020 * mptscsih_flush_running_cmds - For each command found, search
1021 * Scsi_Host instance taskQ and reply to OS.
1022 * Called only if recovering from a FW reload.
1023 * @hd: Pointer to a SCSI HOST structure
1024 *
1025 * Returns: None.
1026 *
1027 * Must be called while new I/Os are being queued.
1028 */
1029 void
mptscsih_flush_running_cmds(MPT_SCSI_HOST * hd)1030 mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1031 {
1032 MPT_ADAPTER *ioc = hd->ioc;
1033 struct scsi_cmnd *sc;
1034 SCSIIORequest_t *mf = NULL;
1035 int ii;
1036 int channel, id;
1037
1038 for (ii= 0; ii < ioc->req_depth; ii++) {
1039 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1040 if (!sc)
1041 continue;
1042 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1043 if (!mf)
1044 continue;
1045 channel = mf->Bus;
1046 id = mf->TargetID;
1047 mptscsih_freeChainBuffers(ioc, ii);
1048 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1049 if ((unsigned char *)mf != sc->host_scribble)
1050 continue;
1051 scsi_dma_unmap(sc);
1052 sc->result = DID_RESET << 16;
1053 sc->host_scribble = NULL;
1054 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1055 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1056 "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
1057 scsi_done(sc);
1058 }
1059 }
1060 EXPORT_SYMBOL(mptscsih_flush_running_cmds);
1061
1062 /*
1063 * mptscsih_search_running_cmds - Delete any commands associated
1064 * with the specified target and lun. Function called only
1065 * when a lun is disable by mid-layer.
1066 * Do NOT access the referenced scsi_cmnd structure or
1067 * members. Will cause either a paging or NULL ptr error.
1068 * (BUT, BUT, BUT, the code does reference it! - mdr)
1069 * @hd: Pointer to a SCSI HOST structure
1070 * @vdevice: per device private data
1071 *
1072 * Returns: None.
1073 *
1074 * Called from sdev_destroy.
1075 */
1076 static void
mptscsih_search_running_cmds(MPT_SCSI_HOST * hd,VirtDevice * vdevice)1077 mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1078 {
1079 SCSIIORequest_t *mf = NULL;
1080 int ii;
1081 struct scsi_cmnd *sc;
1082 struct scsi_lun lun;
1083 MPT_ADAPTER *ioc = hd->ioc;
1084 unsigned long flags;
1085
1086 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1087 for (ii = 0; ii < ioc->req_depth; ii++) {
1088 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
1089
1090 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1091 if (mf == NULL)
1092 continue;
1093 /* If the device is a hidden raid component, then its
1094 * expected that the mf->function will be RAID_SCSI_IO
1095 */
1096 if (vdevice->vtarget->tflags &
1097 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1098 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1099 continue;
1100
1101 int_to_scsilun(vdevice->lun, &lun);
1102 if ((mf->Bus != vdevice->vtarget->channel) ||
1103 (mf->TargetID != vdevice->vtarget->id) ||
1104 memcmp(lun.scsi_lun, mf->LUN, 8))
1105 continue;
1106
1107 if ((unsigned char *)mf != sc->host_scribble)
1108 continue;
1109 ioc->ScsiLookup[ii] = NULL;
1110 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1111 mptscsih_freeChainBuffers(ioc, ii);
1112 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1113 scsi_dma_unmap(sc);
1114 sc->host_scribble = NULL;
1115 sc->result = DID_NO_CONNECT << 16;
1116 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1117 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1118 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1119 vdevice->vtarget->channel, vdevice->vtarget->id,
1120 sc, mf, ii));
1121 scsi_done(sc);
1122 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1123 }
1124 }
1125 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1126 return;
1127 }
1128
1129 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1130
1131 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1132 /*
1133 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
1134 * from a SCSI target device.
1135 * @sc: Pointer to scsi_cmnd structure
1136 * @pScsiReply: Pointer to SCSIIOReply_t
1137 * @pScsiReq: Pointer to original SCSI request
1138 *
1139 * This routine periodically reports QUEUE_FULL status returned from a
1140 * SCSI target device. It reports this to the console via kernel
1141 * printk() API call, not more than once every 10 seconds.
1142 */
1143 static void
mptscsih_report_queue_full(struct scsi_cmnd * sc,SCSIIOReply_t * pScsiReply,SCSIIORequest_t * pScsiReq)1144 mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1145 {
1146 long time = jiffies;
1147 MPT_SCSI_HOST *hd;
1148 MPT_ADAPTER *ioc;
1149
1150 if (sc->device == NULL)
1151 return;
1152 if (sc->device->host == NULL)
1153 return;
1154 if ((hd = shost_priv(sc->device->host)) == NULL)
1155 return;
1156 ioc = hd->ioc;
1157 if (time - hd->last_queue_full > 10 * HZ) {
1158 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%llu) reported QUEUE_FULL!\n",
1159 ioc->name, 0, sc->device->id, sc->device->lun));
1160 hd->last_queue_full = time;
1161 }
1162 }
1163
1164 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1165 /*
1166 * mptscsih_remove - Removed scsi devices
1167 * @pdev: Pointer to pci_dev structure
1168 *
1169 *
1170 */
1171 void
mptscsih_remove(struct pci_dev * pdev)1172 mptscsih_remove(struct pci_dev *pdev)
1173 {
1174 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1175 struct Scsi_Host *host = ioc->sh;
1176 MPT_SCSI_HOST *hd;
1177 int sz1;
1178
1179 if (host == NULL)
1180 hd = NULL;
1181 else
1182 hd = shost_priv(host);
1183
1184 mptscsih_shutdown(pdev);
1185
1186 sz1=0;
1187
1188 if (ioc->ScsiLookup != NULL) {
1189 sz1 = ioc->req_depth * sizeof(void *);
1190 kfree(ioc->ScsiLookup);
1191 ioc->ScsiLookup = NULL;
1192 }
1193
1194 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1195 "Free'd ScsiLookup (%d) memory\n",
1196 ioc->name, sz1));
1197
1198 if (hd)
1199 kfree(hd->info_kbuf);
1200
1201 /* NULL the Scsi_Host pointer
1202 */
1203 ioc->sh = NULL;
1204
1205 if (host)
1206 scsi_host_put(host);
1207 mpt_detach(pdev);
1208
1209 }
1210
1211 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1212 /*
1213 * mptscsih_shutdown - reboot notifier
1214 *
1215 */
1216 void
mptscsih_shutdown(struct pci_dev * pdev)1217 mptscsih_shutdown(struct pci_dev *pdev)
1218 {
1219 }
1220
1221 #ifdef CONFIG_PM
1222 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1223 /*
1224 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1225 *
1226 *
1227 */
1228 int
mptscsih_suspend(struct pci_dev * pdev,pm_message_t state)1229 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1230 {
1231 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1232
1233 scsi_block_requests(ioc->sh);
1234 mptscsih_shutdown(pdev);
1235 return mpt_suspend(pdev,state);
1236 }
1237
1238 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1239 /*
1240 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1241 *
1242 *
1243 */
1244 int
mptscsih_resume(struct pci_dev * pdev)1245 mptscsih_resume(struct pci_dev *pdev)
1246 {
1247 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1248 int rc;
1249
1250 rc = mpt_resume(pdev);
1251 scsi_unblock_requests(ioc->sh);
1252 return rc;
1253 }
1254
1255 #endif
1256
1257 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1258 /**
1259 * mptscsih_info - Return information about MPT adapter
1260 * @SChost: Pointer to Scsi_Host structure
1261 *
1262 * (linux scsi_host_template.info routine)
1263 *
1264 * Returns pointer to buffer where information was written.
1265 */
1266 const char *
mptscsih_info(struct Scsi_Host * SChost)1267 mptscsih_info(struct Scsi_Host *SChost)
1268 {
1269 MPT_SCSI_HOST *h;
1270 int size = 0;
1271
1272 h = shost_priv(SChost);
1273
1274 if (h->info_kbuf == NULL)
1275 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1276 return h->info_kbuf;
1277 h->info_kbuf[0] = '\0';
1278
1279 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1280 h->info_kbuf[size-1] = '\0';
1281
1282 return h->info_kbuf;
1283 }
1284
mptscsih_show_info(struct seq_file * m,struct Scsi_Host * host)1285 int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host)
1286 {
1287 MPT_SCSI_HOST *hd = shost_priv(host);
1288 MPT_ADAPTER *ioc = hd->ioc;
1289
1290 seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name);
1291 seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1292 seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts);
1293 seq_printf(m, "MaxQ=%d\n", ioc->req_depth);
1294
1295 return 0;
1296 }
1297
1298 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1299 #define ADD_INDEX_LOG(req_ent) do { } while(0)
1300
1301 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1302 /**
1303 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1304 * @SCpnt: Pointer to scsi_cmnd structure
1305 *
1306 * (linux scsi_host_template.queuecommand routine)
1307 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1308 * from a linux scsi_cmnd request and send it to the IOC.
1309 *
1310 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1311 */
mptscsih_qcmd(struct scsi_cmnd * SCpnt)1312 enum scsi_qc_status 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 u8 issue_hard_reset;
1521 u32 ioc_raw_state;
1522 unsigned long time_count;
1523
1524 issue_hard_reset = 0;
1525 ioc_raw_state = mpt_GetIocState(ioc, 0);
1526
1527 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1528 printk(MYIOC_s_WARN_FMT
1529 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1530 ioc->name, type, ioc_raw_state);
1531 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1532 ioc->name, __func__);
1533 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1534 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1535 "FAILED!!\n", ioc->name);
1536 return 0;
1537 }
1538
1539 /* DOORBELL ACTIVE check is not required if
1540 * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported.
1541 */
1542
1543 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
1544 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
1545 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
1546 printk(MYIOC_s_WARN_FMT
1547 "TaskMgmt type=%x: ioc_state: "
1548 "DOORBELL_ACTIVE (0x%x)!\n",
1549 ioc->name, type, ioc_raw_state);
1550 return FAILED;
1551 }
1552
1553 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1554 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1555 mf = NULL;
1556 retval = FAILED;
1557 goto out;
1558 }
1559
1560 /* Return Fail to calling function if no message frames available.
1561 */
1562 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1563 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1564 "TaskMgmt no msg frames!!\n", ioc->name));
1565 retval = FAILED;
1566 mpt_clear_taskmgmt_in_progress_flag(ioc);
1567 goto out;
1568 }
1569 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1570 ioc->name, mf));
1571
1572 /* Format the Request
1573 */
1574 pScsiTm = (SCSITaskMgmt_t *) mf;
1575 pScsiTm->TargetID = id;
1576 pScsiTm->Bus = channel;
1577 pScsiTm->ChainOffset = 0;
1578 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1579
1580 pScsiTm->Reserved = 0;
1581 pScsiTm->TaskType = type;
1582 pScsiTm->Reserved1 = 0;
1583 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1584 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1585
1586 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1587
1588 for (ii=0; ii < 7; ii++)
1589 pScsiTm->Reserved2[ii] = 0;
1590
1591 pScsiTm->TaskMsgContext = ctx2abort;
1592
1593 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1594 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1595 type, timeout));
1596
1597 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1598
1599 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1600 time_count = jiffies;
1601 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1602 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1603 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1604 else {
1605 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1606 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1607 if (retval) {
1608 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1609 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1610 ioc->name, mf, retval));
1611 mpt_free_msg_frame(ioc, mf);
1612 mpt_clear_taskmgmt_in_progress_flag(ioc);
1613 goto out;
1614 }
1615 }
1616
1617 wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1618 timeout*HZ);
1619 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1620 retval = FAILED;
1621 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1622 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1623 mpt_clear_taskmgmt_in_progress_flag(ioc);
1624 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1625 goto out;
1626 issue_hard_reset = 1;
1627 goto out;
1628 }
1629
1630 retval = mptscsih_taskmgmt_reply(ioc, type,
1631 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1632
1633 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1634 "TaskMgmt completed (%d seconds)\n",
1635 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1636
1637 out:
1638
1639 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1640 if (issue_hard_reset) {
1641 printk(MYIOC_s_WARN_FMT
1642 "Issuing Reset from %s!! doorbell=0x%08x\n",
1643 ioc->name, __func__, mpt_GetIocState(ioc, 0));
1644 retval = (ioc->bus_type == SAS) ?
1645 mpt_HardResetHandler(ioc, CAN_SLEEP) :
1646 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1647 mpt_free_msg_frame(ioc, mf);
1648 }
1649
1650 retval = (retval == 0) ? 0 : FAILED;
1651 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1652 return retval;
1653 }
1654 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1655
1656 static int
mptscsih_get_tm_timeout(MPT_ADAPTER * ioc)1657 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1658 {
1659 switch (ioc->bus_type) {
1660 case FC:
1661 return 40;
1662 case SAS:
1663 return 30;
1664 case SPI:
1665 default:
1666 return 10;
1667 }
1668 }
1669
1670 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1671 /**
1672 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1673 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1674 *
1675 * (linux scsi_host_template.eh_abort_handler routine)
1676 *
1677 * Returns SUCCESS or FAILED.
1678 **/
1679 int
mptscsih_abort(struct scsi_cmnd * SCpnt)1680 mptscsih_abort(struct scsi_cmnd * SCpnt)
1681 {
1682 MPT_SCSI_HOST *hd;
1683 MPT_FRAME_HDR *mf;
1684 u32 ctx2abort;
1685 int scpnt_idx;
1686 int retval;
1687 VirtDevice *vdevice;
1688 MPT_ADAPTER *ioc;
1689
1690 /* If we can't locate our host adapter structure, return FAILED status.
1691 */
1692 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1693 SCpnt->result = DID_RESET << 16;
1694 scsi_done(SCpnt);
1695 printk(KERN_ERR MYNAM ": task abort: "
1696 "can't locate host! (sc=%p)\n", SCpnt);
1697 return FAILED;
1698 }
1699
1700 ioc = hd->ioc;
1701 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1702 ioc->name, SCpnt);
1703 scsi_print_command(SCpnt);
1704
1705 vdevice = SCpnt->device->hostdata;
1706 if (!vdevice || !vdevice->vtarget) {
1707 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1708 "task abort: device has been deleted (sc=%p)\n",
1709 ioc->name, SCpnt));
1710 SCpnt->result = DID_NO_CONNECT << 16;
1711 scsi_done(SCpnt);
1712 retval = SUCCESS;
1713 goto out;
1714 }
1715
1716 /* Task aborts are not supported for hidden raid components.
1717 */
1718 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1719 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1720 "task abort: hidden raid component (sc=%p)\n",
1721 ioc->name, SCpnt));
1722 SCpnt->result = DID_RESET << 16;
1723 retval = FAILED;
1724 goto out;
1725 }
1726
1727 /* Task aborts are not supported for volumes.
1728 */
1729 if (vdevice->vtarget->raidVolume) {
1730 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1731 "task abort: raid volume (sc=%p)\n",
1732 ioc->name, SCpnt));
1733 SCpnt->result = DID_RESET << 16;
1734 retval = FAILED;
1735 goto out;
1736 }
1737
1738 /* Find this command
1739 */
1740 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1741 /* Cmd not found in ScsiLookup.
1742 * Do OS callback.
1743 */
1744 SCpnt->result = DID_RESET << 16;
1745 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1746 "Command not in the active list! (sc=%p)\n", ioc->name,
1747 SCpnt));
1748 retval = SUCCESS;
1749 goto out;
1750 }
1751
1752 if (ioc->timeouts < -1)
1753 ioc->timeouts++;
1754
1755 if (mpt_fwfault_debug)
1756 mpt_halt_firmware(ioc);
1757
1758 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1759 * (the IO to be ABORT'd)
1760 *
1761 * NOTE: Since we do not byteswap MsgContext, we do not
1762 * swap it here either. It is an opaque cookie to
1763 * the controller, so it does not matter. -DaveM
1764 */
1765 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1766 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1767 retval = mptscsih_IssueTaskMgmt(hd,
1768 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1769 vdevice->vtarget->channel,
1770 vdevice->vtarget->id, vdevice->lun,
1771 ctx2abort, mptscsih_get_tm_timeout(ioc));
1772
1773 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
1774 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1775 "task abort: command still in active list! (sc=%p)\n",
1776 ioc->name, SCpnt));
1777 retval = FAILED;
1778 } else {
1779 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1780 "task abort: command cleared from active list! (sc=%p)\n",
1781 ioc->name, SCpnt));
1782 retval = SUCCESS;
1783 }
1784
1785 out:
1786 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
1787 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1788 SCpnt);
1789
1790 return retval;
1791 }
1792
1793 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1794 /**
1795 * mptscsih_dev_reset - Perform a SCSI LOGICAL_UNIT_RESET!
1796 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1797 *
1798 * (linux scsi_host_template.eh_dev_reset_handler routine)
1799 *
1800 * Returns SUCCESS or FAILED.
1801 **/
1802 int
mptscsih_dev_reset(struct scsi_cmnd * SCpnt)1803 mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1804 {
1805 MPT_SCSI_HOST *hd;
1806 int retval;
1807 VirtDevice *vdevice;
1808 MPT_ADAPTER *ioc;
1809
1810 /* If we can't locate our host adapter structure, return FAILED status.
1811 */
1812 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1813 printk(KERN_ERR MYNAM ": lun reset: "
1814 "Can't locate host! (sc=%p)\n", SCpnt);
1815 return FAILED;
1816 }
1817
1818 ioc = hd->ioc;
1819 printk(MYIOC_s_INFO_FMT "attempting lun reset! (sc=%p)\n",
1820 ioc->name, SCpnt);
1821 scsi_print_command(SCpnt);
1822
1823 vdevice = SCpnt->device->hostdata;
1824 if (!vdevice || !vdevice->vtarget) {
1825 retval = 0;
1826 goto out;
1827 }
1828
1829 retval = mptscsih_IssueTaskMgmt(hd,
1830 MPI_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET,
1831 vdevice->vtarget->channel,
1832 vdevice->vtarget->id, vdevice->lun, 0,
1833 mptscsih_get_tm_timeout(ioc));
1834
1835 out:
1836 printk (MYIOC_s_INFO_FMT "lun reset: %s (sc=%p)\n",
1837 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1838
1839 if (retval == 0)
1840 return SUCCESS;
1841 else
1842 return FAILED;
1843 }
1844
1845
1846 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1847 /**
1848 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1849 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1850 *
1851 * (linux scsi_host_template.eh_bus_reset_handler routine)
1852 *
1853 * Returns SUCCESS or FAILED.
1854 **/
1855 int
mptscsih_bus_reset(struct scsi_cmnd * SCpnt)1856 mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1857 {
1858 MPT_SCSI_HOST *hd;
1859 int retval;
1860 VirtDevice *vdevice;
1861 MPT_ADAPTER *ioc;
1862
1863 /* If we can't locate our host adapter structure, return FAILED status.
1864 */
1865 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1866 printk(KERN_ERR MYNAM ": bus reset: "
1867 "Can't locate host! (sc=%p)\n", SCpnt);
1868 return FAILED;
1869 }
1870
1871 ioc = hd->ioc;
1872 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1873 ioc->name, SCpnt);
1874 scsi_print_command(SCpnt);
1875
1876 if (ioc->timeouts < -1)
1877 ioc->timeouts++;
1878
1879 vdevice = SCpnt->device->hostdata;
1880 if (!vdevice || !vdevice->vtarget)
1881 return SUCCESS;
1882 retval = mptscsih_IssueTaskMgmt(hd,
1883 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1884 vdevice->vtarget->channel, 0, 0, 0,
1885 mptscsih_get_tm_timeout(ioc));
1886
1887 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1888 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1889
1890 if (retval == 0)
1891 return SUCCESS;
1892 else
1893 return FAILED;
1894 }
1895
1896 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1897 /**
1898 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1899 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1900 *
1901 * (linux scsi_host_template.eh_host_reset_handler routine)
1902 *
1903 * Returns SUCCESS or FAILED.
1904 */
1905 int
mptscsih_host_reset(struct scsi_cmnd * SCpnt)1906 mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1907 {
1908 MPT_SCSI_HOST * hd;
1909 int status = SUCCESS;
1910 MPT_ADAPTER *ioc;
1911 int retval;
1912
1913 /* If we can't locate the host to reset, then we failed. */
1914 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1915 printk(KERN_ERR MYNAM ": host reset: "
1916 "Can't locate host! (sc=%p)\n", SCpnt);
1917 return FAILED;
1918 }
1919
1920 /* make sure we have no outstanding commands at this stage */
1921 mptscsih_flush_running_cmds(hd);
1922
1923 ioc = hd->ioc;
1924 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1925 ioc->name, SCpnt);
1926
1927 /* If our attempts to reset the host failed, then return a failed
1928 * status. The host will be taken off line by the SCSI mid-layer.
1929 */
1930 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1931 if (retval < 0)
1932 status = FAILED;
1933 else
1934 status = SUCCESS;
1935
1936 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1937 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1938
1939 return status;
1940 }
1941
1942 static int
mptscsih_taskmgmt_reply(MPT_ADAPTER * ioc,u8 type,SCSITaskMgmtReply_t * pScsiTmReply)1943 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
1944 SCSITaskMgmtReply_t *pScsiTmReply)
1945 {
1946 u16 iocstatus;
1947 u32 termination_count;
1948 int retval;
1949
1950 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
1951 retval = FAILED;
1952 goto out;
1953 }
1954
1955 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
1956
1957 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
1958 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
1959
1960 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1961 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
1962 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
1963 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
1964 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
1965 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
1966 termination_count));
1967
1968 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
1969 pScsiTmReply->ResponseCode)
1970 mptscsih_taskmgmt_response_code(ioc,
1971 pScsiTmReply->ResponseCode);
1972
1973 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
1974 retval = 0;
1975 goto out;
1976 }
1977
1978 retval = FAILED;
1979 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
1980 if (termination_count == 1)
1981 retval = 0;
1982 goto out;
1983 }
1984
1985 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
1986 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
1987 retval = 0;
1988
1989 out:
1990 return retval;
1991 }
1992
1993 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1994 void
mptscsih_taskmgmt_response_code(MPT_ADAPTER * ioc,u8 response_code)1995 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
1996 {
1997 char *desc;
1998
1999 switch (response_code) {
2000 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2001 desc = "The task completed.";
2002 break;
2003 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2004 desc = "The IOC received an invalid frame status.";
2005 break;
2006 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2007 desc = "The task type is not supported.";
2008 break;
2009 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2010 desc = "The requested task failed.";
2011 break;
2012 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2013 desc = "The task completed successfully.";
2014 break;
2015 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2016 desc = "The LUN request is invalid.";
2017 break;
2018 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2019 desc = "The task is in the IOC queue and has not been sent to target.";
2020 break;
2021 default:
2022 desc = "unknown";
2023 break;
2024 }
2025 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2026 ioc->name, response_code, desc);
2027 }
2028 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2029
2030 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2031 /**
2032 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2033 * @ioc: Pointer to MPT_ADAPTER structure
2034 * @mf: Pointer to SCSI task mgmt request frame
2035 * @mr: Pointer to SCSI task mgmt reply frame
2036 *
2037 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2038 * of any SCSI task management request.
2039 * This routine is registered with the MPT (base) driver at driver
2040 * load/init time via the mpt_register() API call.
2041 *
2042 * Returns 1 indicating alloc'd request frame ptr should be freed.
2043 **/
2044 int
mptscsih_taskmgmt_complete(MPT_ADAPTER * ioc,MPT_FRAME_HDR * mf,MPT_FRAME_HDR * mr)2045 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2046 MPT_FRAME_HDR *mr)
2047 {
2048 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2049 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2050
2051 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2052
2053 if (!mr)
2054 goto out;
2055
2056 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2057 memcpy(ioc->taskmgmt_cmds.reply, mr,
2058 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2059 out:
2060 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2061 mpt_clear_taskmgmt_in_progress_flag(ioc);
2062 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2063 complete(&ioc->taskmgmt_cmds.done);
2064 if (ioc->bus_type == SAS)
2065 ioc->schedule_target_reset(ioc);
2066 return 1;
2067 }
2068 return 0;
2069 }
2070
2071 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2072 /*
2073 * This is anyones guess quite frankly.
2074 */
2075 int
mptscsih_bios_param(struct scsi_device * sdev,struct gendisk * unused,sector_t capacity,int geom[])2076 mptscsih_bios_param(struct scsi_device * sdev, struct gendisk *unused,
2077 sector_t capacity, int geom[])
2078 {
2079 int heads;
2080 int sectors;
2081 sector_t cylinders;
2082 ulong dummy;
2083
2084 heads = 64;
2085 sectors = 32;
2086
2087 dummy = heads * sectors;
2088 cylinders = capacity;
2089 sector_div(cylinders,dummy);
2090
2091 /*
2092 * Handle extended translation size for logical drives
2093 * > 1Gb
2094 */
2095 if ((ulong)capacity >= 0x200000) {
2096 heads = 255;
2097 sectors = 63;
2098 dummy = heads * sectors;
2099 cylinders = capacity;
2100 sector_div(cylinders,dummy);
2101 }
2102
2103 /* return result */
2104 geom[0] = heads;
2105 geom[1] = sectors;
2106 geom[2] = cylinders;
2107
2108 return 0;
2109 }
2110
2111 /* Search IOC page 3 to determine if this is hidden physical disk
2112 *
2113 */
2114 int
mptscsih_is_phys_disk(MPT_ADAPTER * ioc,u8 channel,u8 id)2115 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2116 {
2117 struct inactive_raid_component_info *component_info;
2118 int i, j;
2119 RaidPhysDiskPage1_t *phys_disk;
2120 int rc = 0;
2121 int num_paths;
2122
2123 if (!ioc->raid_data.pIocPg3)
2124 goto out;
2125 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2126 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2127 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2128 rc = 1;
2129 goto out;
2130 }
2131 }
2132
2133 if (ioc->bus_type != SAS)
2134 goto out;
2135
2136 /*
2137 * Check if dual path
2138 */
2139 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2140 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2141 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2142 if (num_paths < 2)
2143 continue;
2144 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2145 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2146 if (!phys_disk)
2147 continue;
2148 if ((mpt_raid_phys_disk_pg1(ioc,
2149 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2150 phys_disk))) {
2151 kfree(phys_disk);
2152 continue;
2153 }
2154 for (j = 0; j < num_paths; j++) {
2155 if ((phys_disk->Path[j].Flags &
2156 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2157 continue;
2158 if ((phys_disk->Path[j].Flags &
2159 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2160 continue;
2161 if ((id == phys_disk->Path[j].PhysDiskID) &&
2162 (channel == phys_disk->Path[j].PhysDiskBus)) {
2163 rc = 1;
2164 kfree(phys_disk);
2165 goto out;
2166 }
2167 }
2168 kfree(phys_disk);
2169 }
2170
2171
2172 /*
2173 * Check inactive list for matching phys disks
2174 */
2175 if (list_empty(&ioc->raid_data.inactive_list))
2176 goto out;
2177
2178 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2179 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2180 list) {
2181 if ((component_info->d.PhysDiskID == id) &&
2182 (component_info->d.PhysDiskBus == channel))
2183 rc = 1;
2184 }
2185 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2186
2187 out:
2188 return rc;
2189 }
2190 EXPORT_SYMBOL(mptscsih_is_phys_disk);
2191
2192 u8
mptscsih_raid_id_to_num(MPT_ADAPTER * ioc,u8 channel,u8 id)2193 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2194 {
2195 struct inactive_raid_component_info *component_info;
2196 int i, j;
2197 RaidPhysDiskPage1_t *phys_disk;
2198 int rc = -ENXIO;
2199 int num_paths;
2200
2201 if (!ioc->raid_data.pIocPg3)
2202 goto out;
2203 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2204 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2205 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2206 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2207 goto out;
2208 }
2209 }
2210
2211 if (ioc->bus_type != SAS)
2212 goto out;
2213
2214 /*
2215 * Check if dual path
2216 */
2217 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2218 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2219 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2220 if (num_paths < 2)
2221 continue;
2222 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2223 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2224 if (!phys_disk)
2225 continue;
2226 if ((mpt_raid_phys_disk_pg1(ioc,
2227 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2228 phys_disk))) {
2229 kfree(phys_disk);
2230 continue;
2231 }
2232 for (j = 0; j < num_paths; j++) {
2233 if ((phys_disk->Path[j].Flags &
2234 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2235 continue;
2236 if ((phys_disk->Path[j].Flags &
2237 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2238 continue;
2239 if ((id == phys_disk->Path[j].PhysDiskID) &&
2240 (channel == phys_disk->Path[j].PhysDiskBus)) {
2241 rc = phys_disk->PhysDiskNum;
2242 kfree(phys_disk);
2243 goto out;
2244 }
2245 }
2246 kfree(phys_disk);
2247 }
2248
2249 /*
2250 * Check inactive list for matching phys disks
2251 */
2252 if (list_empty(&ioc->raid_data.inactive_list))
2253 goto out;
2254
2255 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2256 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2257 list) {
2258 if ((component_info->d.PhysDiskID == id) &&
2259 (component_info->d.PhysDiskBus == channel))
2260 rc = component_info->d.PhysDiskNum;
2261 }
2262 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2263
2264 out:
2265 return rc;
2266 }
2267 EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2268
2269 /*
2270 * OS entry point to allow for host driver to free allocated memory
2271 * Called if no device present or device being unloaded
2272 */
2273 void
mptscsih_sdev_destroy(struct scsi_device * sdev)2274 mptscsih_sdev_destroy(struct scsi_device *sdev)
2275 {
2276 struct Scsi_Host *host = sdev->host;
2277 MPT_SCSI_HOST *hd = shost_priv(host);
2278 VirtTarget *vtarget;
2279 VirtDevice *vdevice;
2280 struct scsi_target *starget;
2281
2282 starget = scsi_target(sdev);
2283 vtarget = starget->hostdata;
2284 vdevice = sdev->hostdata;
2285 if (!vdevice)
2286 return;
2287
2288 mptscsih_search_running_cmds(hd, vdevice);
2289 vtarget->num_luns--;
2290 mptscsih_synchronize_cache(hd, vdevice);
2291 kfree(vdevice);
2292 sdev->hostdata = NULL;
2293 }
2294
2295 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2296 /*
2297 * mptscsih_change_queue_depth - This function will set a devices queue depth
2298 * @sdev: per scsi_device pointer
2299 * @qdepth: requested queue depth
2300 *
2301 * Adding support for new 'change_queue_depth' api.
2302 */
2303 int
mptscsih_change_queue_depth(struct scsi_device * sdev,int qdepth)2304 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
2305 {
2306 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2307 VirtTarget *vtarget;
2308 struct scsi_target *starget;
2309 int max_depth;
2310 MPT_ADAPTER *ioc = hd->ioc;
2311
2312 starget = scsi_target(sdev);
2313 vtarget = starget->hostdata;
2314
2315 if (ioc->bus_type == SPI) {
2316 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2317 max_depth = 1;
2318 else if (sdev->type == TYPE_DISK &&
2319 vtarget->minSyncFactor <= MPT_ULTRA160)
2320 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2321 else
2322 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2323 } else
2324 max_depth = ioc->sh->can_queue;
2325
2326 if (!sdev->tagged_supported)
2327 max_depth = 1;
2328
2329 if (qdepth > max_depth)
2330 qdepth = max_depth;
2331
2332 return scsi_change_queue_depth(sdev, qdepth);
2333 }
2334
2335 /*
2336 * OS entry point to adjust the queue_depths on a per-device basis.
2337 * Called once per device the bus scan. Use it to force the queue_depth
2338 * member to 1 if a device does not support Q tags.
2339 * Return non-zero if fails.
2340 */
2341 int
mptscsih_sdev_configure(struct scsi_device * sdev,struct queue_limits * lim)2342 mptscsih_sdev_configure(struct scsi_device *sdev, struct queue_limits *lim)
2343 {
2344 struct Scsi_Host *sh = sdev->host;
2345 VirtTarget *vtarget;
2346 VirtDevice *vdevice;
2347 struct scsi_target *starget;
2348 MPT_SCSI_HOST *hd = shost_priv(sh);
2349 MPT_ADAPTER *ioc = hd->ioc;
2350
2351 starget = scsi_target(sdev);
2352 vtarget = starget->hostdata;
2353 vdevice = sdev->hostdata;
2354
2355 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2356 "device @ %p, channel=%d, id=%d, lun=%llu\n",
2357 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2358 if (ioc->bus_type == SPI)
2359 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2360 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2361 ioc->name, sdev->sdtr, sdev->wdtr,
2362 sdev->ppr, sdev->inquiry_len));
2363
2364 vdevice->configured_lun = 1;
2365
2366 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2367 "Queue depth=%d, tflags=%x\n",
2368 ioc->name, sdev->queue_depth, vtarget->tflags));
2369
2370 if (ioc->bus_type == SPI)
2371 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2372 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2373 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2374 vtarget->minSyncFactor));
2375
2376 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
2377 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2378 "tagged %d, simple %d\n",
2379 ioc->name,sdev->tagged_supported, sdev->simple_tags));
2380
2381 return 0;
2382 }
2383
2384 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2385 /*
2386 * Private routines...
2387 */
2388
2389 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2390 /* Utility function to copy sense data from the scsi_cmnd buffer
2391 * to the FC and SCSI target structures.
2392 *
2393 */
2394 static void
mptscsih_copy_sense_data(struct scsi_cmnd * sc,MPT_SCSI_HOST * hd,MPT_FRAME_HDR * mf,SCSIIOReply_t * pScsiReply)2395 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2396 {
2397 VirtDevice *vdevice;
2398 SCSIIORequest_t *pReq;
2399 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2400 MPT_ADAPTER *ioc = hd->ioc;
2401
2402 /* Get target structure
2403 */
2404 pReq = (SCSIIORequest_t *) mf;
2405 vdevice = sc->device->hostdata;
2406
2407 if (sense_count) {
2408 u8 *sense_data;
2409 int req_index;
2410
2411 /* Copy the sense received into the scsi command block. */
2412 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2413 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2414 memcpy(sc->sense_buffer, sense_data, MPT_SENSE_BUFFER_ALLOC);
2415
2416 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2417 */
2418 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2419 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2420 int idx;
2421
2422 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2423 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2424 ioc->events[idx].eventContext = ioc->eventContext;
2425
2426 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2427 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2428 (sc->device->channel << 8) | sc->device->id;
2429
2430 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2431
2432 ioc->eventContext++;
2433 if (ioc->pcidev->vendor ==
2434 PCI_VENDOR_ID_IBM) {
2435 mptscsih_issue_sep_command(ioc,
2436 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2437 vdevice->vtarget->tflags |=
2438 MPT_TARGET_FLAGS_LED_ON;
2439 }
2440 }
2441 }
2442 } else {
2443 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2444 ioc->name));
2445 }
2446 }
2447
2448 /**
2449 * mptscsih_get_scsi_lookup - retrieves scmd entry
2450 * @ioc: Pointer to MPT_ADAPTER structure
2451 * @i: index into the array
2452 *
2453 * Returns the scsi_cmd pointer
2454 */
2455 struct scsi_cmnd *
mptscsih_get_scsi_lookup(MPT_ADAPTER * ioc,int i)2456 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2457 {
2458 unsigned long flags;
2459 struct scsi_cmnd *scmd;
2460
2461 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2462 scmd = ioc->ScsiLookup[i];
2463 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2464
2465 return scmd;
2466 }
2467 EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2468
2469 /**
2470 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2471 * @ioc: Pointer to MPT_ADAPTER structure
2472 * @i: index into the array
2473 *
2474 * Returns the scsi_cmd pointer
2475 *
2476 **/
2477 static struct scsi_cmnd *
mptscsih_getclear_scsi_lookup(MPT_ADAPTER * ioc,int i)2478 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2479 {
2480 unsigned long flags;
2481 struct scsi_cmnd *scmd;
2482
2483 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2484 scmd = ioc->ScsiLookup[i];
2485 ioc->ScsiLookup[i] = NULL;
2486 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2487
2488 return scmd;
2489 }
2490
2491 /**
2492 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
2493 *
2494 * @ioc: Pointer to MPT_ADAPTER structure
2495 * @i: index into the array
2496 * @scmd: scsi_cmnd pointer
2497 *
2498 **/
2499 static void
mptscsih_set_scsi_lookup(MPT_ADAPTER * ioc,int i,struct scsi_cmnd * scmd)2500 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2501 {
2502 unsigned long flags;
2503
2504 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2505 ioc->ScsiLookup[i] = scmd;
2506 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2507 }
2508
2509 /**
2510 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2511 * @ioc: Pointer to MPT_ADAPTER structure
2512 * @sc: scsi_cmnd pointer
2513 */
2514 static int
SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER * ioc,struct scsi_cmnd * sc)2515 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2516 {
2517 unsigned long flags;
2518 int i, index=-1;
2519
2520 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2521 for (i = 0; i < ioc->req_depth; i++) {
2522 if (ioc->ScsiLookup[i] == sc) {
2523 index = i;
2524 goto out;
2525 }
2526 }
2527
2528 out:
2529 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2530 return index;
2531 }
2532
2533 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2534 int
mptscsih_ioc_reset(MPT_ADAPTER * ioc,int reset_phase)2535 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2536 {
2537 MPT_SCSI_HOST *hd;
2538
2539 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2540 return 0;
2541
2542 hd = shost_priv(ioc->sh);
2543 switch (reset_phase) {
2544 case MPT_IOC_SETUP_RESET:
2545 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2546 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2547 break;
2548 case MPT_IOC_PRE_RESET:
2549 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2550 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2551 mptscsih_flush_running_cmds(hd);
2552 break;
2553 case MPT_IOC_POST_RESET:
2554 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2555 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2556 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2557 ioc->internal_cmds.status |=
2558 MPT_MGMT_STATUS_DID_IOCRESET;
2559 complete(&ioc->internal_cmds.done);
2560 }
2561 break;
2562 default:
2563 break;
2564 }
2565 return 1; /* currently means nothing really */
2566 }
2567
2568 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2569 int
mptscsih_event_process(MPT_ADAPTER * ioc,EventNotificationReply_t * pEvReply)2570 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2571 {
2572 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2573
2574 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2575 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2576 ioc->name, event));
2577
2578 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2579 event == MPI_EVENT_EXT_BUS_RESET) &&
2580 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2581 ioc->soft_resets++;
2582
2583 return 1; /* currently means nothing really */
2584 }
2585
2586 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2587 /*
2588 * Bus Scan and Domain Validation functionality ...
2589 */
2590
2591 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2592 /*
2593 * mptscsih_scandv_complete - Scan and DV callback routine registered
2594 * to Fustion MPT (base) driver.
2595 *
2596 * @ioc: Pointer to MPT_ADAPTER structure
2597 * @mf: Pointer to original MPT request frame
2598 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2599 *
2600 * This routine is called from mpt.c::mpt_interrupt() at the completion
2601 * of any SCSI IO request.
2602 * This routine is registered with the Fusion MPT (base) driver at driver
2603 * load/init time via the mpt_register() API call.
2604 *
2605 * Returns 1 indicating alloc'd request frame ptr should be freed.
2606 *
2607 * Remark: Sets a completion code and (possibly) saves sense data
2608 * in the IOC member localReply structure.
2609 * Used ONLY for DV and other internal commands.
2610 */
2611 int
mptscsih_scandv_complete(MPT_ADAPTER * ioc,MPT_FRAME_HDR * req,MPT_FRAME_HDR * reply)2612 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2613 MPT_FRAME_HDR *reply)
2614 {
2615 SCSIIORequest_t *pReq;
2616 SCSIIOReply_t *pReply;
2617 u8 cmd;
2618 u16 req_idx;
2619 u8 *sense_data;
2620 int sz;
2621
2622 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2623 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2624 if (!reply)
2625 goto out;
2626
2627 pReply = (SCSIIOReply_t *) reply;
2628 pReq = (SCSIIORequest_t *) req;
2629 ioc->internal_cmds.completion_code =
2630 mptscsih_get_completion_code(ioc, req, reply);
2631 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2632 memcpy(ioc->internal_cmds.reply, reply,
2633 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2634 cmd = reply->u.hdr.Function;
2635 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2636 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2637 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2638 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2639 sense_data = ((u8 *)ioc->sense_buf_pool +
2640 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2641 sz = min_t(int, pReq->SenseBufferLength,
2642 MPT_SENSE_BUFFER_ALLOC);
2643 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2644 }
2645 out:
2646 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2647 return 0;
2648 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2649 complete(&ioc->internal_cmds.done);
2650 return 1;
2651 }
2652
2653
2654 /**
2655 * mptscsih_get_completion_code - get completion code from MPT request
2656 * @ioc: Pointer to MPT_ADAPTER structure
2657 * @req: Pointer to original MPT request frame
2658 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
2659 *
2660 **/
2661 static int
mptscsih_get_completion_code(MPT_ADAPTER * ioc,MPT_FRAME_HDR * req,MPT_FRAME_HDR * reply)2662 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2663 MPT_FRAME_HDR *reply)
2664 {
2665 SCSIIOReply_t *pReply;
2666 MpiRaidActionReply_t *pr;
2667 u8 scsi_status;
2668 u16 status;
2669 int completion_code;
2670
2671 pReply = (SCSIIOReply_t *)reply;
2672 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2673 scsi_status = pReply->SCSIStatus;
2674
2675 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2676 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2677 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2678 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2679
2680 switch (status) {
2681
2682 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2683 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2684 break;
2685
2686 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2687 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2688 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2689 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2690 completion_code = MPT_SCANDV_DID_RESET;
2691 break;
2692
2693 case MPI_IOCSTATUS_BUSY:
2694 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2695 completion_code = MPT_SCANDV_BUSY;
2696 break;
2697
2698 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2699 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2700 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2701 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2702 completion_code = MPT_SCANDV_GOOD;
2703 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2704 pr = (MpiRaidActionReply_t *)reply;
2705 if (le16_to_cpu(pr->ActionStatus) ==
2706 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2707 completion_code = MPT_SCANDV_GOOD;
2708 else
2709 completion_code = MPT_SCANDV_SOME_ERROR;
2710 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2711 completion_code = MPT_SCANDV_SENSE;
2712 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2713 if (req->u.scsireq.CDB[0] == INQUIRY)
2714 completion_code = MPT_SCANDV_ISSUE_SENSE;
2715 else
2716 completion_code = MPT_SCANDV_DID_RESET;
2717 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2718 completion_code = MPT_SCANDV_DID_RESET;
2719 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2720 completion_code = MPT_SCANDV_DID_RESET;
2721 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2722 completion_code = MPT_SCANDV_BUSY;
2723 else
2724 completion_code = MPT_SCANDV_GOOD;
2725 break;
2726
2727 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2728 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2729 completion_code = MPT_SCANDV_DID_RESET;
2730 else
2731 completion_code = MPT_SCANDV_SOME_ERROR;
2732 break;
2733 default:
2734 completion_code = MPT_SCANDV_SOME_ERROR;
2735 break;
2736
2737 } /* switch(status) */
2738
2739 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2740 " completionCode set to %08xh\n", ioc->name, completion_code));
2741 return completion_code;
2742 }
2743
2744 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2745 /**
2746 * mptscsih_do_cmd - Do internal command.
2747 * @hd: MPT_SCSI_HOST pointer
2748 * @io: INTERNAL_CMD pointer.
2749 *
2750 * Issue the specified internally generated command and do command
2751 * specific cleanup. For bus scan / DV only.
2752 * NOTES: If command is Inquiry and status is good,
2753 * initialize a target structure, save the data
2754 *
2755 * Remark: Single threaded access only.
2756 *
2757 * Return:
2758 * < 0 if an illegal command or no resources
2759 *
2760 * 0 if good
2761 *
2762 * > 0 if command complete but some type of completion error.
2763 */
2764 static int
mptscsih_do_cmd(MPT_SCSI_HOST * hd,INTERNAL_CMD * io)2765 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2766 {
2767 MPT_FRAME_HDR *mf;
2768 SCSIIORequest_t *pScsiReq;
2769 int my_idx, ii, dir;
2770 int timeout;
2771 char cmdLen;
2772 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2773 u8 cmd = io->cmd;
2774 MPT_ADAPTER *ioc = hd->ioc;
2775 int ret = 0;
2776 unsigned long timeleft;
2777 unsigned long flags;
2778
2779 /* don't send internal command during diag reset */
2780 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2781 if (ioc->ioc_reset_in_progress) {
2782 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2783 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2784 "%s: busy with host reset\n", ioc->name, __func__));
2785 return MPT_SCANDV_BUSY;
2786 }
2787 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2788
2789 mutex_lock(&ioc->internal_cmds.mutex);
2790
2791 /* Set command specific information
2792 */
2793 switch (cmd) {
2794 case INQUIRY:
2795 cmdLen = 6;
2796 dir = MPI_SCSIIO_CONTROL_READ;
2797 CDB[0] = cmd;
2798 CDB[4] = io->size;
2799 timeout = 10;
2800 break;
2801
2802 case TEST_UNIT_READY:
2803 cmdLen = 6;
2804 dir = MPI_SCSIIO_CONTROL_READ;
2805 timeout = 10;
2806 break;
2807
2808 case START_STOP:
2809 cmdLen = 6;
2810 dir = MPI_SCSIIO_CONTROL_READ;
2811 CDB[0] = cmd;
2812 CDB[4] = 1; /*Spin up the disk */
2813 timeout = 15;
2814 break;
2815
2816 case REQUEST_SENSE:
2817 cmdLen = 6;
2818 CDB[0] = cmd;
2819 CDB[4] = io->size;
2820 dir = MPI_SCSIIO_CONTROL_READ;
2821 timeout = 10;
2822 break;
2823
2824 case READ_BUFFER:
2825 cmdLen = 10;
2826 dir = MPI_SCSIIO_CONTROL_READ;
2827 CDB[0] = cmd;
2828 if (io->flags & MPT_ICFLAG_ECHO) {
2829 CDB[1] = 0x0A;
2830 } else {
2831 CDB[1] = 0x02;
2832 }
2833
2834 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2835 CDB[1] |= 0x01;
2836 }
2837 CDB[6] = (io->size >> 16) & 0xFF;
2838 CDB[7] = (io->size >> 8) & 0xFF;
2839 CDB[8] = io->size & 0xFF;
2840 timeout = 10;
2841 break;
2842
2843 case WRITE_BUFFER:
2844 cmdLen = 10;
2845 dir = MPI_SCSIIO_CONTROL_WRITE;
2846 CDB[0] = cmd;
2847 if (io->flags & MPT_ICFLAG_ECHO) {
2848 CDB[1] = 0x0A;
2849 } else {
2850 CDB[1] = 0x02;
2851 }
2852 CDB[6] = (io->size >> 16) & 0xFF;
2853 CDB[7] = (io->size >> 8) & 0xFF;
2854 CDB[8] = io->size & 0xFF;
2855 timeout = 10;
2856 break;
2857
2858 case RESERVE_6:
2859 cmdLen = 6;
2860 dir = MPI_SCSIIO_CONTROL_READ;
2861 CDB[0] = cmd;
2862 timeout = 10;
2863 break;
2864
2865 case RELEASE_6:
2866 cmdLen = 6;
2867 dir = MPI_SCSIIO_CONTROL_READ;
2868 CDB[0] = cmd;
2869 timeout = 10;
2870 break;
2871
2872 case SYNCHRONIZE_CACHE:
2873 cmdLen = 10;
2874 dir = MPI_SCSIIO_CONTROL_READ;
2875 CDB[0] = cmd;
2876 // CDB[1] = 0x02; /* set immediate bit */
2877 timeout = 10;
2878 break;
2879
2880 default:
2881 /* Error Case */
2882 ret = -EFAULT;
2883 goto out;
2884 }
2885
2886 /* Get and Populate a free Frame
2887 * MsgContext set in mpt_get_msg_frame call
2888 */
2889 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
2890 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2891 ioc->name, __func__));
2892 ret = MPT_SCANDV_BUSY;
2893 goto out;
2894 }
2895
2896 pScsiReq = (SCSIIORequest_t *) mf;
2897
2898 /* Get the request index */
2899 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2900 ADD_INDEX_LOG(my_idx); /* for debug */
2901
2902 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2903 pScsiReq->TargetID = io->physDiskNum;
2904 pScsiReq->Bus = 0;
2905 pScsiReq->ChainOffset = 0;
2906 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2907 } else {
2908 pScsiReq->TargetID = io->id;
2909 pScsiReq->Bus = io->channel;
2910 pScsiReq->ChainOffset = 0;
2911 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2912 }
2913
2914 pScsiReq->CDBLength = cmdLen;
2915 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2916
2917 pScsiReq->Reserved = 0;
2918
2919 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
2920 /* MsgContext set in mpt_get_msg_fram call */
2921
2922 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
2923
2924 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2925 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
2926 else
2927 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2928
2929 if (cmd == REQUEST_SENSE) {
2930 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2931 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2932 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
2933 }
2934
2935 for (ii = 0; ii < 16; ii++)
2936 pScsiReq->CDB[ii] = CDB[ii];
2937
2938 pScsiReq->DataLength = cpu_to_le32(io->size);
2939 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
2940 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
2941
2942 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2943 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n",
2944 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
2945
2946 if (dir == MPI_SCSIIO_CONTROL_READ)
2947 ioc->add_sge((char *) &pScsiReq->SGL,
2948 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
2949 else
2950 ioc->add_sge((char *) &pScsiReq->SGL,
2951 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
2952
2953 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
2954 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
2955 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
2956 timeout*HZ);
2957 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2958 ret = MPT_SCANDV_DID_RESET;
2959 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2960 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
2961 cmd));
2962 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
2963 mpt_free_msg_frame(ioc, mf);
2964 goto out;
2965 }
2966 if (!timeleft) {
2967 printk(MYIOC_s_WARN_FMT
2968 "Issuing Reset from %s!! doorbell=0x%08xh"
2969 " cmd=0x%02x\n",
2970 ioc->name, __func__, mpt_GetIocState(ioc, 0),
2971 cmd);
2972 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2973 mpt_free_msg_frame(ioc, mf);
2974 }
2975 goto out;
2976 }
2977
2978 ret = ioc->internal_cmds.completion_code;
2979 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
2980 ioc->name, __func__, ret));
2981
2982 out:
2983 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
2984 mutex_unlock(&ioc->internal_cmds.mutex);
2985 return ret;
2986 }
2987
2988 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2989 /**
2990 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
2991 * @hd: Pointer to a SCSI HOST structure
2992 * @vdevice: virtual target device
2993 *
2994 * Uses the ISR, but with special processing.
2995 * MUST be single-threaded.
2996 *
2997 */
2998 static void
mptscsih_synchronize_cache(MPT_SCSI_HOST * hd,VirtDevice * vdevice)2999 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3000 {
3001 INTERNAL_CMD iocmd;
3002
3003 /* Ignore hidden raid components, this is handled when the command
3004 * is sent to the volume
3005 */
3006 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3007 return;
3008
3009 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3010 !vdevice->configured_lun)
3011 return;
3012
3013 /* Following parameters will not change
3014 * in this routine.
3015 */
3016 iocmd.cmd = SYNCHRONIZE_CACHE;
3017 iocmd.flags = 0;
3018 iocmd.physDiskNum = -1;
3019 iocmd.data = NULL;
3020 iocmd.data_dma = -1;
3021 iocmd.size = 0;
3022 iocmd.rsvd = iocmd.rsvd2 = 0;
3023 iocmd.channel = vdevice->vtarget->channel;
3024 iocmd.id = vdevice->vtarget->id;
3025 iocmd.lun = vdevice->lun;
3026
3027 mptscsih_do_cmd(hd, &iocmd);
3028 }
3029
3030 static ssize_t
mptscsih_version_fw_show(struct device * dev,struct device_attribute * attr,char * buf)3031 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3032 char *buf)
3033 {
3034 struct Scsi_Host *host = class_to_shost(dev);
3035 MPT_SCSI_HOST *hd = shost_priv(host);
3036 MPT_ADAPTER *ioc = hd->ioc;
3037
3038 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3039 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3040 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3041 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3042 ioc->facts.FWVersion.Word & 0x000000FF);
3043 }
3044 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3045
3046 static ssize_t
mptscsih_version_bios_show(struct device * dev,struct device_attribute * attr,char * buf)3047 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3048 char *buf)
3049 {
3050 struct Scsi_Host *host = class_to_shost(dev);
3051 MPT_SCSI_HOST *hd = shost_priv(host);
3052 MPT_ADAPTER *ioc = hd->ioc;
3053
3054 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3055 (ioc->biosVersion & 0xFF000000) >> 24,
3056 (ioc->biosVersion & 0x00FF0000) >> 16,
3057 (ioc->biosVersion & 0x0000FF00) >> 8,
3058 ioc->biosVersion & 0x000000FF);
3059 }
3060 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3061
3062 static ssize_t
mptscsih_version_mpi_show(struct device * dev,struct device_attribute * attr,char * buf)3063 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3064 char *buf)
3065 {
3066 struct Scsi_Host *host = class_to_shost(dev);
3067 MPT_SCSI_HOST *hd = shost_priv(host);
3068 MPT_ADAPTER *ioc = hd->ioc;
3069
3070 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3071 }
3072 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3073
3074 static ssize_t
mptscsih_version_product_show(struct device * dev,struct device_attribute * attr,char * buf)3075 mptscsih_version_product_show(struct device *dev,
3076 struct device_attribute *attr,
3077 char *buf)
3078 {
3079 struct Scsi_Host *host = class_to_shost(dev);
3080 MPT_SCSI_HOST *hd = shost_priv(host);
3081 MPT_ADAPTER *ioc = hd->ioc;
3082
3083 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3084 }
3085 static DEVICE_ATTR(version_product, S_IRUGO,
3086 mptscsih_version_product_show, NULL);
3087
3088 static ssize_t
mptscsih_version_nvdata_persistent_show(struct device * dev,struct device_attribute * attr,char * buf)3089 mptscsih_version_nvdata_persistent_show(struct device *dev,
3090 struct device_attribute *attr,
3091 char *buf)
3092 {
3093 struct Scsi_Host *host = class_to_shost(dev);
3094 MPT_SCSI_HOST *hd = shost_priv(host);
3095 MPT_ADAPTER *ioc = hd->ioc;
3096
3097 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3098 ioc->nvdata_version_persistent);
3099 }
3100 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3101 mptscsih_version_nvdata_persistent_show, NULL);
3102
3103 static ssize_t
mptscsih_version_nvdata_default_show(struct device * dev,struct device_attribute * attr,char * buf)3104 mptscsih_version_nvdata_default_show(struct device *dev,
3105 struct device_attribute *attr, char *buf)
3106 {
3107 struct Scsi_Host *host = class_to_shost(dev);
3108 MPT_SCSI_HOST *hd = shost_priv(host);
3109 MPT_ADAPTER *ioc = hd->ioc;
3110
3111 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3112 }
3113 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3114 mptscsih_version_nvdata_default_show, NULL);
3115
3116 static ssize_t
mptscsih_board_name_show(struct device * dev,struct device_attribute * attr,char * buf)3117 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3118 char *buf)
3119 {
3120 struct Scsi_Host *host = class_to_shost(dev);
3121 MPT_SCSI_HOST *hd = shost_priv(host);
3122 MPT_ADAPTER *ioc = hd->ioc;
3123
3124 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3125 }
3126 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3127
3128 static ssize_t
mptscsih_board_assembly_show(struct device * dev,struct device_attribute * attr,char * buf)3129 mptscsih_board_assembly_show(struct device *dev,
3130 struct device_attribute *attr, char *buf)
3131 {
3132 struct Scsi_Host *host = class_to_shost(dev);
3133 MPT_SCSI_HOST *hd = shost_priv(host);
3134 MPT_ADAPTER *ioc = hd->ioc;
3135
3136 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3137 }
3138 static DEVICE_ATTR(board_assembly, S_IRUGO,
3139 mptscsih_board_assembly_show, NULL);
3140
3141 static ssize_t
mptscsih_board_tracer_show(struct device * dev,struct device_attribute * attr,char * buf)3142 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3143 char *buf)
3144 {
3145 struct Scsi_Host *host = class_to_shost(dev);
3146 MPT_SCSI_HOST *hd = shost_priv(host);
3147 MPT_ADAPTER *ioc = hd->ioc;
3148
3149 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3150 }
3151 static DEVICE_ATTR(board_tracer, S_IRUGO,
3152 mptscsih_board_tracer_show, NULL);
3153
3154 static ssize_t
mptscsih_io_delay_show(struct device * dev,struct device_attribute * attr,char * buf)3155 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3156 char *buf)
3157 {
3158 struct Scsi_Host *host = class_to_shost(dev);
3159 MPT_SCSI_HOST *hd = shost_priv(host);
3160 MPT_ADAPTER *ioc = hd->ioc;
3161
3162 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3163 }
3164 static DEVICE_ATTR(io_delay, S_IRUGO,
3165 mptscsih_io_delay_show, NULL);
3166
3167 static ssize_t
mptscsih_device_delay_show(struct device * dev,struct device_attribute * attr,char * buf)3168 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3169 char *buf)
3170 {
3171 struct Scsi_Host *host = class_to_shost(dev);
3172 MPT_SCSI_HOST *hd = shost_priv(host);
3173 MPT_ADAPTER *ioc = hd->ioc;
3174
3175 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3176 }
3177 static DEVICE_ATTR(device_delay, S_IRUGO,
3178 mptscsih_device_delay_show, NULL);
3179
3180 static ssize_t
mptscsih_debug_level_show(struct device * dev,struct device_attribute * attr,char * buf)3181 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3182 char *buf)
3183 {
3184 struct Scsi_Host *host = class_to_shost(dev);
3185 MPT_SCSI_HOST *hd = shost_priv(host);
3186 MPT_ADAPTER *ioc = hd->ioc;
3187
3188 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3189 }
3190 static ssize_t
mptscsih_debug_level_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)3191 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3192 const char *buf, size_t count)
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 int val = 0;
3198
3199 if (sscanf(buf, "%x", &val) != 1)
3200 return -EINVAL;
3201
3202 ioc->debug_level = val;
3203 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3204 ioc->name, ioc->debug_level);
3205 return strlen(buf);
3206 }
3207 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3208 mptscsih_debug_level_show, mptscsih_debug_level_store);
3209
3210 static struct attribute *mptscsih_host_attrs[] = {
3211 &dev_attr_version_fw.attr,
3212 &dev_attr_version_bios.attr,
3213 &dev_attr_version_mpi.attr,
3214 &dev_attr_version_product.attr,
3215 &dev_attr_version_nvdata_persistent.attr,
3216 &dev_attr_version_nvdata_default.attr,
3217 &dev_attr_board_name.attr,
3218 &dev_attr_board_assembly.attr,
3219 &dev_attr_board_tracer.attr,
3220 &dev_attr_io_delay.attr,
3221 &dev_attr_device_delay.attr,
3222 &dev_attr_debug_level.attr,
3223 NULL,
3224 };
3225
3226 static const struct attribute_group mptscsih_host_attr_group = {
3227 .attrs = mptscsih_host_attrs
3228 };
3229
3230 const struct attribute_group *mptscsih_host_attr_groups[] = {
3231 &mptscsih_host_attr_group,
3232 NULL
3233 };
3234 EXPORT_SYMBOL(mptscsih_host_attr_groups);
3235
3236 EXPORT_SYMBOL(mptscsih_remove);
3237 EXPORT_SYMBOL(mptscsih_shutdown);
3238 #ifdef CONFIG_PM
3239 EXPORT_SYMBOL(mptscsih_suspend);
3240 EXPORT_SYMBOL(mptscsih_resume);
3241 #endif
3242 EXPORT_SYMBOL(mptscsih_show_info);
3243 EXPORT_SYMBOL(mptscsih_info);
3244 EXPORT_SYMBOL(mptscsih_qcmd);
3245 EXPORT_SYMBOL(mptscsih_sdev_destroy);
3246 EXPORT_SYMBOL(mptscsih_sdev_configure);
3247 EXPORT_SYMBOL(mptscsih_abort);
3248 EXPORT_SYMBOL(mptscsih_dev_reset);
3249 EXPORT_SYMBOL(mptscsih_bus_reset);
3250 EXPORT_SYMBOL(mptscsih_host_reset);
3251 EXPORT_SYMBOL(mptscsih_bios_param);
3252 EXPORT_SYMBOL(mptscsih_io_done);
3253 EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3254 EXPORT_SYMBOL(mptscsih_scandv_complete);
3255 EXPORT_SYMBOL(mptscsih_event_process);
3256 EXPORT_SYMBOL(mptscsih_ioc_reset);
3257 EXPORT_SYMBOL(mptscsih_change_queue_depth);
3258
3259 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3260