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IPVS: fix netns if reading ip_vs_* procfs entries
[linux-2.6/linux-mips.git] / drivers / message / fusion / mptscsih.c
blob0d9b82a44540172e986263eaf3593cef943157ce
1 /*
2 * linux/drivers/message/fusion/mptscsih.c
3 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
5 *
6 * Copyright (c) 1999-2008 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
8 *
9 */
10 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
11 /*
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; version 2 of the License.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 NO WARRANTY
22 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
23 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
24 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
25 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
26 solely responsible for determining the appropriateness of using and
27 distributing the Program and assumes all risks associated with its
28 exercise of rights under this Agreement, including but not limited to
29 the risks and costs of program errors, damage to or loss of data,
30 programs or equipment, and unavailability or interruption of operations.
31
32 DISCLAIMER OF LIABILITY
33 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
34 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
36 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
37 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
38 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
39 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
40
41 You should have received a copy of the GNU General Public License
42 along with this program; if not, write to the Free Software
43 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
44 */
45 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
46
47 #include <linux/module.h>
48 #include <linux/kernel.h>
49 #include <linux/slab.h>
50 #include <linux/init.h>
51 #include <linux/errno.h>
52 #include <linux/kdev_t.h>
53 #include <linux/blkdev.h>
54 #include <linux/delay.h> /* for mdelay */
55 #include <linux/interrupt.h> /* needed for in_interrupt() proto */
56 #include <linux/reboot.h> /* notifier code */
57 #include <linux/workqueue.h>
58
59 #include <scsi/scsi.h>
60 #include <scsi/scsi_cmnd.h>
61 #include <scsi/scsi_device.h>
62 #include <scsi/scsi_host.h>
63 #include <scsi/scsi_tcq.h>
64 #include <scsi/scsi_dbg.h>
65
66 #include "mptbase.h"
67 #include "mptscsih.h"
68 #include "lsi/mpi_log_sas.h"
69
70 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
71 #define my_NAME "Fusion MPT SCSI Host driver"
72 #define my_VERSION MPT_LINUX_VERSION_COMMON
73 #define MYNAM "mptscsih"
74
75 MODULE_AUTHOR(MODULEAUTHOR);
76 MODULE_DESCRIPTION(my_NAME);
77 MODULE_LICENSE("GPL");
78 MODULE_VERSION(my_VERSION);
79
80 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
81 /*
82 * Other private/forward protos...
83 */
84 struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
85 static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
86 static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
87 static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
88 int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
89 static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
90 int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
91
92 static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
93 SCSIIORequest_t *pReq, int req_idx);
94 static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
95 static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
96
97 int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
98 int lun, int ctx2abort, ulong timeout);
99
100 int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
101 int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
102
103 void
104 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
105 static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
106 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
107 int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
108 static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
109 static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
110
111 static int
112 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
113 SCSITaskMgmtReply_t *pScsiTmReply);
114 void mptscsih_remove(struct pci_dev *);
115 void mptscsih_shutdown(struct pci_dev *);
116 #ifdef CONFIG_PM
117 int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
118 int mptscsih_resume(struct pci_dev *pdev);
119 #endif
120
121 #define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE
122
123
124 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
125 /*
126 * mptscsih_getFreeChainBuffer - Function to get a free chain
127 * from the MPT_SCSI_HOST FreeChainQ.
128 * @ioc: Pointer to MPT_ADAPTER structure
129 * @req_idx: Index of the SCSI IO request frame. (output)
130 *
131 * return SUCCESS or FAILED
132 */
133 static inline int
134 mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
135 {
136 MPT_FRAME_HDR *chainBuf;
137 unsigned long flags;
138 int rc;
139 int chain_idx;
140
141 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
142 ioc->name));
143 spin_lock_irqsave(&ioc->FreeQlock, flags);
144 if (!list_empty(&ioc->FreeChainQ)) {
145 int offset;
146
147 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
148 u.frame.linkage.list);
149 list_del(&chainBuf->u.frame.linkage.list);
150 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
151 chain_idx = offset / ioc->req_sz;
152 rc = SUCCESS;
153 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
154 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
155 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
156 } else {
157 rc = FAILED;
158 chain_idx = MPT_HOST_NO_CHAIN;
159 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
160 ioc->name));
161 }
162 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
163
164 *retIndex = chain_idx;
165 return rc;
166 } /* mptscsih_getFreeChainBuffer() */
167
168 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
169 /*
170 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
171 * SCSIIORequest_t Message Frame.
172 * @ioc: Pointer to MPT_ADAPTER structure
173 * @SCpnt: Pointer to scsi_cmnd structure
174 * @pReq: Pointer to SCSIIORequest_t structure
175 *
176 * Returns ...
177 */
178 static int
179 mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
180 SCSIIORequest_t *pReq, int req_idx)
181 {
182 char *psge;
183 char *chainSge;
184 struct scatterlist *sg;
185 int frm_sz;
186 int sges_left, sg_done;
187 int chain_idx = MPT_HOST_NO_CHAIN;
188 int sgeOffset;
189 int numSgeSlots, numSgeThisFrame;
190 u32 sgflags, sgdir, thisxfer = 0;
191 int chain_dma_off = 0;
192 int newIndex;
193 int ii;
194 dma_addr_t v2;
195 u32 RequestNB;
196
197 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
198 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
199 sgdir = MPT_TRANSFER_HOST_TO_IOC;
200 } else {
201 sgdir = MPT_TRANSFER_IOC_TO_HOST;
202 }
203
204 psge = (char *) &pReq->SGL;
205 frm_sz = ioc->req_sz;
206
207 /* Map the data portion, if any.
208 * sges_left = 0 if no data transfer.
209 */
210 sges_left = scsi_dma_map(SCpnt);
211 if (sges_left < 0)
212 return FAILED;
213
214 /* Handle the SG case.
215 */
216 sg = scsi_sglist(SCpnt);
217 sg_done = 0;
218 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
219 chainSge = NULL;
220
221 /* Prior to entering this loop - the following must be set
222 * current MF: sgeOffset (bytes)
223 * chainSge (Null if original MF is not a chain buffer)
224 * sg_done (num SGE done for this MF)
225 */
226
227 nextSGEset:
228 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
229 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
230
231 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
232
233 /* Get first (num - 1) SG elements
234 * Skip any SG entries with a length of 0
235 * NOTE: at finish, sg and psge pointed to NEXT data/location positions
236 */
237 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
238 thisxfer = sg_dma_len(sg);
239 if (thisxfer == 0) {
240 /* Get next SG element from the OS */
241 sg = sg_next(sg);
242 sg_done++;
243 continue;
244 }
245
246 v2 = sg_dma_address(sg);
247 ioc->add_sge(psge, sgflags | thisxfer, v2);
248
249 /* Get next SG element from the OS */
250 sg = sg_next(sg);
251 psge += ioc->SGE_size;
252 sgeOffset += ioc->SGE_size;
253 sg_done++;
254 }
255
256 if (numSgeThisFrame == sges_left) {
257 /* Add last element, end of buffer and end of list flags.
258 */
259 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
260 MPT_SGE_FLAGS_END_OF_BUFFER |
261 MPT_SGE_FLAGS_END_OF_LIST;
262
263 /* Add last SGE and set termination flags.
264 * Note: Last SGE may have a length of 0 - which should be ok.
265 */
266 thisxfer = sg_dma_len(sg);
267
268 v2 = sg_dma_address(sg);
269 ioc->add_sge(psge, sgflags | thisxfer, v2);
270 sgeOffset += ioc->SGE_size;
271 sg_done++;
272
273 if (chainSge) {
274 /* The current buffer is a chain buffer,
275 * but there is not another one.
276 * Update the chain element
277 * Offset and Length fields.
278 */
279 ioc->add_chain((char *)chainSge, 0, sgeOffset,
280 ioc->ChainBufferDMA + chain_dma_off);
281 } else {
282 /* The current buffer is the original MF
283 * and there is no Chain buffer.
284 */
285 pReq->ChainOffset = 0;
286 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
287 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
288 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
289 ioc->RequestNB[req_idx] = RequestNB;
290 }
291 } else {
292 /* At least one chain buffer is needed.
293 * Complete the first MF
294 * - last SGE element, set the LastElement bit
295 * - set ChainOffset (words) for orig MF
296 * (OR finish previous MF chain buffer)
297 * - update MFStructPtr ChainIndex
298 * - Populate chain element
299 * Also
300 * Loop until done.
301 */
302
303 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
304 ioc->name, sg_done));
305
306 /* Set LAST_ELEMENT flag for last non-chain element
307 * in the buffer. Since psge points at the NEXT
308 * SGE element, go back one SGE element, update the flags
309 * and reset the pointer. (Note: sgflags & thisxfer are already
310 * set properly).
311 */
312 if (sg_done) {
313 u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
314 sgflags = le32_to_cpu(*ptmp);
315 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
316 *ptmp = cpu_to_le32(sgflags);
317 }
318
319 if (chainSge) {
320 /* The current buffer is a chain buffer.
321 * chainSge points to the previous Chain Element.
322 * Update its chain element Offset and Length (must
323 * include chain element size) fields.
324 * Old chain element is now complete.
325 */
326 u8 nextChain = (u8) (sgeOffset >> 2);
327 sgeOffset += ioc->SGE_size;
328 ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
329 ioc->ChainBufferDMA + chain_dma_off);
330 } else {
331 /* The original MF buffer requires a chain buffer -
332 * set the offset.
333 * Last element in this MF is a chain element.
334 */
335 pReq->ChainOffset = (u8) (sgeOffset >> 2);
336 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
337 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
338 ioc->RequestNB[req_idx] = RequestNB;
339 }
340
341 sges_left -= sg_done;
342
343
344 /* NOTE: psge points to the beginning of the chain element
345 * in current buffer. Get a chain buffer.
346 */
347 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
348 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
349 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
350 ioc->name, pReq->CDB[0], SCpnt));
351 return FAILED;
352 }
353
354 /* Update the tracking arrays.
355 * If chainSge == NULL, update ReqToChain, else ChainToChain
356 */
357 if (chainSge) {
358 ioc->ChainToChain[chain_idx] = newIndex;
359 } else {
360 ioc->ReqToChain[req_idx] = newIndex;
361 }
362 chain_idx = newIndex;
363 chain_dma_off = ioc->req_sz * chain_idx;
364
365 /* Populate the chainSGE for the current buffer.
366 * - Set chain buffer pointer to psge and fill
367 * out the Address and Flags fields.
368 */
369 chainSge = (char *) psge;
370 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
371 ioc->name, psge, req_idx));
372
373 /* Start the SGE for the next buffer
374 */
375 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
376 sgeOffset = 0;
377 sg_done = 0;
378
379 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
380 ioc->name, psge, chain_idx));
381
382 /* Start the SGE for the next buffer
383 */
384
385 goto nextSGEset;
386 }
387
388 return SUCCESS;
389 } /* mptscsih_AddSGE() */
390
391 static void
392 mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
393 U32 SlotStatus)
394 {
395 MPT_FRAME_HDR *mf;
396 SEPRequest_t *SEPMsg;
397
398 if (ioc->bus_type != SAS)
399 return;
400
401 /* Not supported for hidden raid components
402 */
403 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
404 return;
405
406 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
407 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
408 ioc->name,__func__));
409 return;
410 }
411
412 SEPMsg = (SEPRequest_t *)mf;
413 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
414 SEPMsg->Bus = vtarget->channel;
415 SEPMsg->TargetID = vtarget->id;
416 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
417 SEPMsg->SlotStatus = SlotStatus;
418 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
419 "Sending SEP cmd=%x channel=%d id=%d\n",
420 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
421 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
422 }
423
424 #ifdef CONFIG_FUSION_LOGGING
425 /**
426 * mptscsih_info_scsiio - debug print info on reply frame
427 * @ioc: Pointer to MPT_ADAPTER structure
428 * @sc: original scsi cmnd pointer
429 * @pScsiReply: Pointer to MPT reply frame
430 *
431 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
432 *
433 * Refer to lsi/mpi.h.
434 **/
435 static void
436 mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
437 {
438 char *desc = NULL;
439 char *desc1 = NULL;
440 u16 ioc_status;
441 u8 skey, asc, ascq;
442
443 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
444
445 switch (ioc_status) {
446
447 case MPI_IOCSTATUS_SUCCESS:
448 desc = "success";
449 break;
450 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
451 desc = "invalid bus";
452 break;
453 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
454 desc = "invalid target_id";
455 break;
456 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
457 desc = "device not there";
458 break;
459 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
460 desc = "data overrun";
461 break;
462 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
463 desc = "data underrun";
464 break;
465 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
466 desc = "I/O data error";
467 break;
468 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
469 desc = "protocol error";
470 break;
471 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
472 desc = "task terminated";
473 break;
474 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
475 desc = "residual mismatch";
476 break;
477 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
478 desc = "task management failed";
479 break;
480 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
481 desc = "IOC terminated";
482 break;
483 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
484 desc = "ext terminated";
485 break;
486 default:
487 desc = "";
488 break;
489 }
490
491 switch (pScsiReply->SCSIStatus)
492 {
493
494 case MPI_SCSI_STATUS_SUCCESS:
495 desc1 = "success";
496 break;
497 case MPI_SCSI_STATUS_CHECK_CONDITION:
498 desc1 = "check condition";
499 break;
500 case MPI_SCSI_STATUS_CONDITION_MET:
501 desc1 = "condition met";
502 break;
503 case MPI_SCSI_STATUS_BUSY:
504 desc1 = "busy";
505 break;
506 case MPI_SCSI_STATUS_INTERMEDIATE:
507 desc1 = "intermediate";
508 break;
509 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
510 desc1 = "intermediate condmet";
511 break;
512 case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
513 desc1 = "reservation conflict";
514 break;
515 case MPI_SCSI_STATUS_COMMAND_TERMINATED:
516 desc1 = "command terminated";
517 break;
518 case MPI_SCSI_STATUS_TASK_SET_FULL:
519 desc1 = "task set full";
520 break;
521 case MPI_SCSI_STATUS_ACA_ACTIVE:
522 desc1 = "aca active";
523 break;
524 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
525 desc1 = "fcpext device logged out";
526 break;
527 case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
528 desc1 = "fcpext no link";
529 break;
530 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
531 desc1 = "fcpext unassigned";
532 break;
533 default:
534 desc1 = "";
535 break;
536 }
537
538 scsi_print_command(sc);
539 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %d\n",
540 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
541 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
542 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
543 scsi_get_resid(sc));
544 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
545 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
546 le32_to_cpu(pScsiReply->TransferCount), sc->result);
547
548 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
549 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
550 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
551 pScsiReply->SCSIState);
552
553 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
554 skey = sc->sense_buffer[2] & 0x0F;
555 asc = sc->sense_buffer[12];
556 ascq = sc->sense_buffer[13];
557
558 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
559 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
560 }
561
562 /*
563 * Look for + dump FCP ResponseInfo[]!
564 */
565 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
566 pScsiReply->ResponseInfo)
567 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
568 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
569 }
570 #endif
571
572 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
573 /*
574 * mptscsih_io_done - Main SCSI IO callback routine registered to
575 * Fusion MPT (base) driver
576 * @ioc: Pointer to MPT_ADAPTER structure
577 * @mf: Pointer to original MPT request frame
578 * @r: Pointer to MPT reply frame (NULL if TurboReply)
579 *
580 * This routine is called from mpt.c::mpt_interrupt() at the completion
581 * of any SCSI IO request.
582 * This routine is registered with the Fusion MPT (base) driver at driver
583 * load/init time via the mpt_register() API call.
584 *
585 * Returns 1 indicating alloc'd request frame ptr should be freed.
586 */
587 int
588 mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
589 {
590 struct scsi_cmnd *sc;
591 MPT_SCSI_HOST *hd;
592 SCSIIORequest_t *pScsiReq;
593 SCSIIOReply_t *pScsiReply;
594 u16 req_idx, req_idx_MR;
595 VirtDevice *vdevice;
596 VirtTarget *vtarget;
597
598 hd = shost_priv(ioc->sh);
599 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
600 req_idx_MR = (mr != NULL) ?
601 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
602
603 /* Special case, where already freed message frame is received from
604 * Firmware. It happens with Resetting IOC.
605 * Return immediately. Do not care
606 */
607 if ((req_idx != req_idx_MR) ||
608 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
609 return 0;
610
611 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
612 if (sc == NULL) {
613 MPIHeader_t *hdr = (MPIHeader_t *)mf;
614
615 /* Remark: writeSDP1 will use the ScsiDoneCtx
616 * If a SCSI I/O cmd, device disabled by OS and
617 * completion done. Cannot touch sc struct. Just free mem.
618 */
619 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
620 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
621 ioc->name);
622
623 mptscsih_freeChainBuffers(ioc, req_idx);
624 return 1;
625 }
626
627 if ((unsigned char *)mf != sc->host_scribble) {
628 mptscsih_freeChainBuffers(ioc, req_idx);
629 return 1;
630 }
631
632 if (ioc->bus_type == SAS) {
633 VirtDevice *vdevice = sc->device->hostdata;
634
635 if (!vdevice || !vdevice->vtarget ||
636 vdevice->vtarget->deleted) {
637 sc->result = DID_NO_CONNECT << 16;
638 goto out;
639 }
640 }
641
642 sc->host_scribble = NULL;
643 sc->result = DID_OK << 16; /* Set default reply as OK */
644 pScsiReq = (SCSIIORequest_t *) mf;
645 pScsiReply = (SCSIIOReply_t *) mr;
646
647 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
648 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
649 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
650 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
651 }else{
652 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
653 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
654 ioc->name, mf, mr, sc, req_idx));
655 }
656
657 if (pScsiReply == NULL) {
658 /* special context reply handling */
659 ;
660 } else {
661 u32 xfer_cnt;
662 u16 status;
663 u8 scsi_state, scsi_status;
664 u32 log_info;
665
666 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
667
668 scsi_state = pScsiReply->SCSIState;
669 scsi_status = pScsiReply->SCSIStatus;
670 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
671 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
672 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
673
674 /*
675 * if we get a data underrun indication, yet no data was
676 * transferred and the SCSI status indicates that the
677 * command was never started, change the data underrun
678 * to success
679 */
680 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
681 (scsi_status == MPI_SCSI_STATUS_BUSY ||
682 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
683 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
684 status = MPI_IOCSTATUS_SUCCESS;
685 }
686
687 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
688 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
689
690 /*
691 * Look for + dump FCP ResponseInfo[]!
692 */
693 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
694 pScsiReply->ResponseInfo) {
695 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%d] "
696 "FCP_ResponseInfo=%08xh\n", ioc->name,
697 sc->device->host->host_no, sc->device->channel,
698 sc->device->id, sc->device->lun,
699 le32_to_cpu(pScsiReply->ResponseInfo));
700 }
701
702 switch(status) {
703 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
704 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
705 /* CHECKME!
706 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
707 * But not: DID_BUS_BUSY lest one risk
708 * killing interrupt handler:-(
709 */
710 sc->result = SAM_STAT_BUSY;
711 break;
712
713 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
714 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
715 sc->result = DID_BAD_TARGET << 16;
716 break;
717
718 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
719 /* Spoof to SCSI Selection Timeout! */
720 if (ioc->bus_type != FC)
721 sc->result = DID_NO_CONNECT << 16;
722 /* else fibre, just stall until rescan event */
723 else
724 sc->result = DID_REQUEUE << 16;
725
726 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
727 hd->sel_timeout[pScsiReq->TargetID]++;
728
729 vdevice = sc->device->hostdata;
730 if (!vdevice)
731 break;
732 vtarget = vdevice->vtarget;
733 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
734 mptscsih_issue_sep_command(ioc, vtarget,
735 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
736 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
737 }
738 break;
739
740 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
741 if ( ioc->bus_type == SAS ) {
742 u16 ioc_status =
743 le16_to_cpu(pScsiReply->IOCStatus);
744 if ((ioc_status &
745 MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
746 &&
747 ((log_info & SAS_LOGINFO_MASK) ==
748 SAS_LOGINFO_NEXUS_LOSS)) {
749 VirtDevice *vdevice =
750 sc->device->hostdata;
751
752 /* flag the device as being in
753 * device removal delay so we can
754 * notify the midlayer to hold off
755 * on timeout eh */
756 if (vdevice && vdevice->
757 vtarget &&
758 vdevice->vtarget->
759 raidVolume)
760 printk(KERN_INFO
761 "Skipping Raid Volume"
762 "for inDMD\n");
763 else if (vdevice &&
764 vdevice->vtarget)
765 vdevice->vtarget->
766 inDMD = 1;
767
768 sc->result =
769 (DID_TRANSPORT_DISRUPTED
770 << 16);
771 break;
772 }
773 } else if (ioc->bus_type == FC) {
774 /*
775 * The FC IOC may kill a request for variety of
776 * reasons, some of which may be recovered by a
777 * retry, some which are unlikely to be
778 * recovered. Return DID_ERROR instead of
779 * DID_RESET to permit retry of the command,
780 * just not an infinite number of them
781 */
782 sc->result = DID_ERROR << 16;
783 break;
784 }
785
786 /*
787 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
788 */
789
790 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
791 /* Linux handles an unsolicited DID_RESET better
792 * than an unsolicited DID_ABORT.
793 */
794 sc->result = DID_RESET << 16;
795
796 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
797 if (ioc->bus_type == FC)
798 sc->result = DID_ERROR << 16;
799 else
800 sc->result = DID_RESET << 16;
801 break;
802
803 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
804 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
805 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
806 sc->result=DID_SOFT_ERROR << 16;
807 else /* Sufficient data transfer occurred */
808 sc->result = (DID_OK << 16) | scsi_status;
809 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
810 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
811 ioc->name, sc->result, sc->device->channel, sc->device->id));
812 break;
813
814 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
815 /*
816 * Do upfront check for valid SenseData and give it
817 * precedence!
818 */
819 sc->result = (DID_OK << 16) | scsi_status;
820 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
821
822 /*
823 * For an Errata on LSI53C1030
824 * When the length of request data
825 * and transfer data are different
826 * with result of command (READ or VERIFY),
827 * DID_SOFT_ERROR is set.
828 */
829 if (ioc->bus_type == SPI) {
830 if (pScsiReq->CDB[0] == READ_6 ||
831 pScsiReq->CDB[0] == READ_10 ||
832 pScsiReq->CDB[0] == READ_12 ||
833 pScsiReq->CDB[0] == READ_16 ||
834 pScsiReq->CDB[0] == VERIFY ||
835 pScsiReq->CDB[0] == VERIFY_16) {
836 if (scsi_bufflen(sc) !=
837 xfer_cnt) {
838 sc->result =
839 DID_SOFT_ERROR << 16;
840 printk(KERN_WARNING "Errata"
841 "on LSI53C1030 occurred."
842 "sc->req_bufflen=0x%02x,"
843 "xfer_cnt=0x%02x\n",
844 scsi_bufflen(sc),
845 xfer_cnt);
846 }
847 }
848 }
849
850 if (xfer_cnt < sc->underflow) {
851 if (scsi_status == SAM_STAT_BUSY)
852 sc->result = SAM_STAT_BUSY;
853 else
854 sc->result = DID_SOFT_ERROR << 16;
855 }
856 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
857 /* What to do?
858 */
859 sc->result = DID_SOFT_ERROR << 16;
860 }
861 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
862 /* Not real sure here either... */
863 sc->result = DID_RESET << 16;
864 }
865 }
866
867
868 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
869 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
870 ioc->name, sc->underflow));
871 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
872 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
873
874 /* Report Queue Full
875 */
876 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
877 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
878
879 break;
880
881 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
882 scsi_set_resid(sc, 0);
883 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
884 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
885 sc->result = (DID_OK << 16) | scsi_status;
886 if (scsi_state == 0) {
887 ;
888 } else if (scsi_state &
889 MPI_SCSI_STATE_AUTOSENSE_VALID) {
890
891 /*
892 * For potential trouble on LSI53C1030.
893 * (date:2007.xx.)
894 * It is checked whether the length of
895 * request data is equal to
896 * the length of transfer and residual.
897 * MEDIUM_ERROR is set by incorrect data.
898 */
899 if ((ioc->bus_type == SPI) &&
900 (sc->sense_buffer[2] & 0x20)) {
901 u32 difftransfer;
902 difftransfer =
903 sc->sense_buffer[3] << 24 |
904 sc->sense_buffer[4] << 16 |
905 sc->sense_buffer[5] << 8 |
906 sc->sense_buffer[6];
907 if (((sc->sense_buffer[3] & 0x80) ==
908 0x80) && (scsi_bufflen(sc)
909 != xfer_cnt)) {
910 sc->sense_buffer[2] =
911 MEDIUM_ERROR;
912 sc->sense_buffer[12] = 0xff;
913 sc->sense_buffer[13] = 0xff;
914 printk(KERN_WARNING"Errata"
915 "on LSI53C1030 occurred."
916 "sc->req_bufflen=0x%02x,"
917 "xfer_cnt=0x%02x\n" ,
918 scsi_bufflen(sc),
919 xfer_cnt);
920 }
921 if (((sc->sense_buffer[3] & 0x80)
922 != 0x80) &&
923 (scsi_bufflen(sc) !=
924 xfer_cnt + difftransfer)) {
925 sc->sense_buffer[2] =
926 MEDIUM_ERROR;
927 sc->sense_buffer[12] = 0xff;
928 sc->sense_buffer[13] = 0xff;
929 printk(KERN_WARNING
930 "Errata on LSI53C1030 occurred"
931 "sc->req_bufflen=0x%02x,"
932 " xfer_cnt=0x%02x,"
933 "difftransfer=0x%02x\n",
934 scsi_bufflen(sc),
935 xfer_cnt,
936 difftransfer);
937 }
938 }
939
940 /*
941 * If running against circa 200003dd 909 MPT f/w,
942 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
943 * (QUEUE_FULL) returned from device! --> get 0x0000?128
944 * and with SenseBytes set to 0.
945 */
946 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
947 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
948
949 }
950 else if (scsi_state &
951 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
952 ) {
953 /*
954 * What to do?
955 */
956 sc->result = DID_SOFT_ERROR << 16;
957 }
958 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
959 /* Not real sure here either... */
960 sc->result = DID_RESET << 16;
961 }
962 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
963 /* Device Inq. data indicates that it supports
964 * QTags, but rejects QTag messages.
965 * This command completed OK.
966 *
967 * Not real sure here either so do nothing... */
968 }
969
970 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
971 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
972
973 /* Add handling of:
974 * Reservation Conflict, Busy,
975 * Command Terminated, CHECK
976 */
977 break;
978
979 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
980 sc->result = DID_SOFT_ERROR << 16;
981 break;
982
983 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
984 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
985 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
986 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
987 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
988 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
989 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
990 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
991 default:
992 /*
993 * What to do?
994 */
995 sc->result = DID_SOFT_ERROR << 16;
996 break;
997
998 } /* switch(status) */
999
1000 #ifdef CONFIG_FUSION_LOGGING
1001 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
1002 mptscsih_info_scsiio(ioc, sc, pScsiReply);
1003 #endif
1004
1005 } /* end of address reply case */
1006 out:
1007 /* Unmap the DMA buffers, if any. */
1008 scsi_dma_unmap(sc);
1009
1010 sc->scsi_done(sc); /* Issue the command callback */
1011
1012 /* Free Chain buffers */
1013 mptscsih_freeChainBuffers(ioc, req_idx);
1014 return 1;
1015 }
1016
1017 /*
1018 * mptscsih_flush_running_cmds - For each command found, search
1019 * Scsi_Host instance taskQ and reply to OS.
1020 * Called only if recovering from a FW reload.
1021 * @hd: Pointer to a SCSI HOST structure
1022 *
1023 * Returns: None.
1024 *
1025 * Must be called while new I/Os are being queued.
1026 */
1027 static void
1028 mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1029 {
1030 MPT_ADAPTER *ioc = hd->ioc;
1031 struct scsi_cmnd *sc;
1032 SCSIIORequest_t *mf = NULL;
1033 int ii;
1034 int channel, id;
1035
1036 for (ii= 0; ii < ioc->req_depth; ii++) {
1037 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1038 if (!sc)
1039 continue;
1040 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1041 if (!mf)
1042 continue;
1043 channel = mf->Bus;
1044 id = mf->TargetID;
1045 mptscsih_freeChainBuffers(ioc, ii);
1046 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1047 if ((unsigned char *)mf != sc->host_scribble)
1048 continue;
1049 scsi_dma_unmap(sc);
1050 sc->result = DID_RESET << 16;
1051 sc->host_scribble = NULL;
1052 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1053 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1054 "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
1055 sc->scsi_done(sc);
1056 }
1057 }
1058
1059 /*
1060 * mptscsih_search_running_cmds - Delete any commands associated
1061 * with the specified target and lun. Function called only
1062 * when a lun is disable by mid-layer.
1063 * Do NOT access the referenced scsi_cmnd structure or
1064 * members. Will cause either a paging or NULL ptr error.
1065 * (BUT, BUT, BUT, the code does reference it! - mdr)
1066 * @hd: Pointer to a SCSI HOST structure
1067 * @vdevice: per device private data
1068 *
1069 * Returns: None.
1070 *
1071 * Called from slave_destroy.
1072 */
1073 static void
1074 mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1075 {
1076 SCSIIORequest_t *mf = NULL;
1077 int ii;
1078 struct scsi_cmnd *sc;
1079 struct scsi_lun lun;
1080 MPT_ADAPTER *ioc = hd->ioc;
1081 unsigned long flags;
1082
1083 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1084 for (ii = 0; ii < ioc->req_depth; ii++) {
1085 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
1086
1087 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1088 if (mf == NULL)
1089 continue;
1090 /* If the device is a hidden raid component, then its
1091 * expected that the mf->function will be RAID_SCSI_IO
1092 */
1093 if (vdevice->vtarget->tflags &
1094 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1095 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1096 continue;
1097
1098 int_to_scsilun(vdevice->lun, &lun);
1099 if ((mf->Bus != vdevice->vtarget->channel) ||
1100 (mf->TargetID != vdevice->vtarget->id) ||
1101 memcmp(lun.scsi_lun, mf->LUN, 8))
1102 continue;
1103
1104 if ((unsigned char *)mf != sc->host_scribble)
1105 continue;
1106 ioc->ScsiLookup[ii] = NULL;
1107 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1108 mptscsih_freeChainBuffers(ioc, ii);
1109 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1110 scsi_dma_unmap(sc);
1111 sc->host_scribble = NULL;
1112 sc->result = DID_NO_CONNECT << 16;
1113 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1114 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1115 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1116 vdevice->vtarget->channel, vdevice->vtarget->id,
1117 sc, mf, ii));
1118 sc->scsi_done(sc);
1119 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1120 }
1121 }
1122 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1123 return;
1124 }
1125
1126 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1127
1128 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1129 /*
1130 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
1131 * from a SCSI target device.
1132 * @sc: Pointer to scsi_cmnd structure
1133 * @pScsiReply: Pointer to SCSIIOReply_t
1134 * @pScsiReq: Pointer to original SCSI request
1135 *
1136 * This routine periodically reports QUEUE_FULL status returned from a
1137 * SCSI target device. It reports this to the console via kernel
1138 * printk() API call, not more than once every 10 seconds.
1139 */
1140 static void
1141 mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1142 {
1143 long time = jiffies;
1144 MPT_SCSI_HOST *hd;
1145 MPT_ADAPTER *ioc;
1146
1147 if (sc->device == NULL)
1148 return;
1149 if (sc->device->host == NULL)
1150 return;
1151 if ((hd = shost_priv(sc->device->host)) == NULL)
1152 return;
1153 ioc = hd->ioc;
1154 if (time - hd->last_queue_full > 10 * HZ) {
1155 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n",
1156 ioc->name, 0, sc->device->id, sc->device->lun));
1157 hd->last_queue_full = time;
1158 }
1159 }
1160
1161 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1162 /*
1163 * mptscsih_remove - Removed scsi devices
1164 * @pdev: Pointer to pci_dev structure
1165 *
1166 *
1167 */
1168 void
1169 mptscsih_remove(struct pci_dev *pdev)
1170 {
1171 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1172 struct Scsi_Host *host = ioc->sh;
1173 MPT_SCSI_HOST *hd;
1174 int sz1;
1175
1176 scsi_remove_host(host);
1177
1178 if((hd = shost_priv(host)) == NULL)
1179 return;
1180
1181 mptscsih_shutdown(pdev);
1182
1183 sz1=0;
1184
1185 if (ioc->ScsiLookup != NULL) {
1186 sz1 = ioc->req_depth * sizeof(void *);
1187 kfree(ioc->ScsiLookup);
1188 ioc->ScsiLookup = NULL;
1189 }
1190
1191 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1192 "Free'd ScsiLookup (%d) memory\n",
1193 ioc->name, sz1));
1194
1195 kfree(hd->info_kbuf);
1196
1197 /* NULL the Scsi_Host pointer
1198 */
1199 ioc->sh = NULL;
1200
1201 scsi_host_put(host);
1202
1203 mpt_detach(pdev);
1204
1205 }
1206
1207 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1208 /*
1209 * mptscsih_shutdown - reboot notifier
1210 *
1211 */
1212 void
1213 mptscsih_shutdown(struct pci_dev *pdev)
1214 {
1215 }
1216
1217 #ifdef CONFIG_PM
1218 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1219 /*
1220 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1221 *
1222 *
1223 */
1224 int
1225 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1226 {
1227 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1228
1229 scsi_block_requests(ioc->sh);
1230 flush_scheduled_work();
1231 mptscsih_shutdown(pdev);
1232 return mpt_suspend(pdev,state);
1233 }
1234
1235 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1236 /*
1237 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1238 *
1239 *
1240 */
1241 int
1242 mptscsih_resume(struct pci_dev *pdev)
1243 {
1244 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1245 int rc;
1246
1247 rc = mpt_resume(pdev);
1248 scsi_unblock_requests(ioc->sh);
1249 return rc;
1250 }
1251
1252 #endif
1253
1254 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1255 /**
1256 * mptscsih_info - Return information about MPT adapter
1257 * @SChost: Pointer to Scsi_Host structure
1258 *
1259 * (linux scsi_host_template.info routine)
1260 *
1261 * Returns pointer to buffer where information was written.
1262 */
1263 const char *
1264 mptscsih_info(struct Scsi_Host *SChost)
1265 {
1266 MPT_SCSI_HOST *h;
1267 int size = 0;
1268
1269 h = shost_priv(SChost);
1270
1271 if (h) {
1272 if (h->info_kbuf == NULL)
1273 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1274 return h->info_kbuf;
1275 h->info_kbuf[0] = '\0';
1276
1277 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1278 h->info_kbuf[size-1] = '\0';
1279 }
1280
1281 return h->info_kbuf;
1282 }
1283
1284 struct info_str {
1285 char *buffer;
1286 int length;
1287 int offset;
1288 int pos;
1289 };
1290
1291 static void
1292 mptscsih_copy_mem_info(struct info_str *info, char *data, int len)
1293 {
1294 if (info->pos + len > info->length)
1295 len = info->length - info->pos;
1296
1297 if (info->pos + len < info->offset) {
1298 info->pos += len;
1299 return;
1300 }
1301
1302 if (info->pos < info->offset) {
1303 data += (info->offset - info->pos);
1304 len -= (info->offset - info->pos);
1305 }
1306
1307 if (len > 0) {
1308 memcpy(info->buffer + info->pos, data, len);
1309 info->pos += len;
1310 }
1311 }
1312
1313 static int
1314 mptscsih_copy_info(struct info_str *info, char *fmt, ...)
1315 {
1316 va_list args;
1317 char buf[81];
1318 int len;
1319
1320 va_start(args, fmt);
1321 len = vsprintf(buf, fmt, args);
1322 va_end(args);
1323
1324 mptscsih_copy_mem_info(info, buf, len);
1325 return len;
1326 }
1327
1328 static int
1329 mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len)
1330 {
1331 struct info_str info;
1332
1333 info.buffer = pbuf;
1334 info.length = len;
1335 info.offset = offset;
1336 info.pos = 0;
1337
1338 mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name);
1339 mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1340 mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts);
1341 mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth);
1342
1343 return ((info.pos > info.offset) ? info.pos - info.offset : 0);
1344 }
1345
1346 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1347 /**
1348 * mptscsih_proc_info - Return information about MPT adapter
1349 * @host: scsi host struct
1350 * @buffer: if write, user data; if read, buffer for user
1351 * @start: returns the buffer address
1352 * @offset: if write, 0; if read, the current offset into the buffer from
1353 * the previous read.
1354 * @length: if write, return length;
1355 * @func: write = 1; read = 0
1356 *
1357 * (linux scsi_host_template.info routine)
1358 */
1359 int
1360 mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
1361 int length, int func)
1362 {
1363 MPT_SCSI_HOST *hd = shost_priv(host);
1364 MPT_ADAPTER *ioc = hd->ioc;
1365 int size = 0;
1366
1367 if (func) {
1368 /*
1369 * write is not supported
1370 */
1371 } else {
1372 if (start)
1373 *start = buffer;
1374
1375 size = mptscsih_host_info(ioc, buffer, offset, length);
1376 }
1377
1378 return size;
1379 }
1380
1381 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1382 #define ADD_INDEX_LOG(req_ent) do { } while(0)
1383
1384 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1385 /**
1386 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1387 * @SCpnt: Pointer to scsi_cmnd structure
1388 * @done: Pointer SCSI mid-layer IO completion function
1389 *
1390 * (linux scsi_host_template.queuecommand routine)
1391 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1392 * from a linux scsi_cmnd request and send it to the IOC.
1393 *
1394 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1395 */
1396 int
1397 mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1398 {
1399 MPT_SCSI_HOST *hd;
1400 MPT_FRAME_HDR *mf;
1401 SCSIIORequest_t *pScsiReq;
1402 VirtDevice *vdevice = SCpnt->device->hostdata;
1403 u32 datalen;
1404 u32 scsictl;
1405 u32 scsidir;
1406 u32 cmd_len;
1407 int my_idx;
1408 int ii;
1409 MPT_ADAPTER *ioc;
1410
1411 hd = shost_priv(SCpnt->device->host);
1412 ioc = hd->ioc;
1413 SCpnt->scsi_done = done;
1414
1415 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n",
1416 ioc->name, SCpnt, done));
1417
1418 if (ioc->taskmgmt_quiesce_io) {
1419 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "qcmd: SCpnt=%p timeout + 60HZ\n",
1420 ioc->name, SCpnt));
1421 return SCSI_MLQUEUE_HOST_BUSY;
1422 }
1423
1424 /*
1425 * Put together a MPT SCSI request...
1426 */
1427 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1428 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1429 ioc->name));
1430 return SCSI_MLQUEUE_HOST_BUSY;
1431 }
1432
1433 pScsiReq = (SCSIIORequest_t *) mf;
1434
1435 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1436
1437 ADD_INDEX_LOG(my_idx);
1438
1439 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1440 * Seems we may receive a buffer (datalen>0) even when there
1441 * will be no data transfer! GRRRRR...
1442 */
1443 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1444 datalen = scsi_bufflen(SCpnt);
1445 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1446 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1447 datalen = scsi_bufflen(SCpnt);
1448 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1449 } else {
1450 datalen = 0;
1451 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1452 }
1453
1454 /* Default to untagged. Once a target structure has been allocated,
1455 * use the Inquiry data to determine if device supports tagged.
1456 */
1457 if (vdevice
1458 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
1459 && (SCpnt->device->tagged_supported)) {
1460 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1461 if (SCpnt->request && SCpnt->request->ioprio) {
1462 if (((SCpnt->request->ioprio & 0x7) == 1) ||
1463 !(SCpnt->request->ioprio & 0x7))
1464 scsictl |= MPI_SCSIIO_CONTROL_HEADOFQ;
1465 }
1466 } else
1467 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1468
1469
1470 /* Use the above information to set up the message frame
1471 */
1472 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1473 pScsiReq->Bus = vdevice->vtarget->channel;
1474 pScsiReq->ChainOffset = 0;
1475 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1476 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1477 else
1478 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1479 pScsiReq->CDBLength = SCpnt->cmd_len;
1480 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1481 pScsiReq->Reserved = 0;
1482 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1483 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1484 pScsiReq->Control = cpu_to_le32(scsictl);
1485
1486 /*
1487 * Write SCSI CDB into the message
1488 */
1489 cmd_len = SCpnt->cmd_len;
1490 for (ii=0; ii < cmd_len; ii++)
1491 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1492
1493 for (ii=cmd_len; ii < 16; ii++)
1494 pScsiReq->CDB[ii] = 0;
1495
1496 /* DataLength */
1497 pScsiReq->DataLength = cpu_to_le32(datalen);
1498
1499 /* SenseBuffer low address */
1500 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1501 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1502
1503 /* Now add the SG list
1504 * Always have a SGE even if null length.
1505 */
1506 if (datalen == 0) {
1507 /* Add a NULL SGE */
1508 ioc->add_sge((char *)&pScsiReq->SGL,
1509 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1510 (dma_addr_t) -1);
1511 } else {
1512 /* Add a 32 or 64 bit SGE */
1513 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1514 goto fail;
1515 }
1516
1517 SCpnt->host_scribble = (unsigned char *)mf;
1518 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1519
1520 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1521 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1522 ioc->name, SCpnt, mf, my_idx));
1523 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1524 return 0;
1525
1526 fail:
1527 mptscsih_freeChainBuffers(ioc, my_idx);
1528 mpt_free_msg_frame(ioc, mf);
1529 return SCSI_MLQUEUE_HOST_BUSY;
1530 }
1531
1532 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1533 /*
1534 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1535 * with a SCSI IO request
1536 * @hd: Pointer to the MPT_SCSI_HOST instance
1537 * @req_idx: Index of the SCSI IO request frame.
1538 *
1539 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1540 * No return.
1541 */
1542 static void
1543 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1544 {
1545 MPT_FRAME_HDR *chain;
1546 unsigned long flags;
1547 int chain_idx;
1548 int next;
1549
1550 /* Get the first chain index and reset
1551 * tracker state.
1552 */
1553 chain_idx = ioc->ReqToChain[req_idx];
1554 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1555
1556 while (chain_idx != MPT_HOST_NO_CHAIN) {
1557
1558 /* Save the next chain buffer index */
1559 next = ioc->ChainToChain[chain_idx];
1560
1561 /* Free this chain buffer and reset
1562 * tracker
1563 */
1564 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1565
1566 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1567 + (chain_idx * ioc->req_sz));
1568
1569 spin_lock_irqsave(&ioc->FreeQlock, flags);
1570 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1571 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1572
1573 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1574 ioc->name, chain_idx));
1575
1576 /* handle next */
1577 chain_idx = next;
1578 }
1579 return;
1580 }
1581
1582 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1583 /*
1584 * Reset Handling
1585 */
1586
1587 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1588 /**
1589 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1590 * @hd: Pointer to MPT_SCSI_HOST structure
1591 * @type: Task Management type
1592 * @channel: channel number for task management
1593 * @id: Logical Target ID for reset (if appropriate)
1594 * @lun: Logical Unit for reset (if appropriate)
1595 * @ctx2abort: Context for the task to be aborted (if appropriate)
1596 * @timeout: timeout for task management control
1597 *
1598 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1599 * or a non-interrupt thread. In the former, must not call schedule().
1600 *
1601 * Not all fields are meaningfull for all task types.
1602 *
1603 * Returns 0 for SUCCESS, or FAILED.
1604 *
1605 **/
1606 int
1607 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun,
1608 int ctx2abort, ulong timeout)
1609 {
1610 MPT_FRAME_HDR *mf;
1611 SCSITaskMgmt_t *pScsiTm;
1612 int ii;
1613 int retval;
1614 MPT_ADAPTER *ioc = hd->ioc;
1615 unsigned long timeleft;
1616 u8 issue_hard_reset;
1617 u32 ioc_raw_state;
1618 unsigned long time_count;
1619
1620 issue_hard_reset = 0;
1621 ioc_raw_state = mpt_GetIocState(ioc, 0);
1622
1623 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1624 printk(MYIOC_s_WARN_FMT
1625 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1626 ioc->name, type, ioc_raw_state);
1627 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1628 ioc->name, __func__);
1629 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1630 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1631 "FAILED!!\n", ioc->name);
1632 return 0;
1633 }
1634
1635 if (ioc_raw_state & MPI_DOORBELL_ACTIVE) {
1636 printk(MYIOC_s_WARN_FMT
1637 "TaskMgmt type=%x: ioc_state: "
1638 "DOORBELL_ACTIVE (0x%x)!\n",
1639 ioc->name, type, ioc_raw_state);
1640 return FAILED;
1641 }
1642
1643 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1644 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1645 mf = NULL;
1646 retval = FAILED;
1647 goto out;
1648 }
1649
1650 /* Return Fail to calling function if no message frames available.
1651 */
1652 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1653 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1654 "TaskMgmt no msg frames!!\n", ioc->name));
1655 retval = FAILED;
1656 mpt_clear_taskmgmt_in_progress_flag(ioc);
1657 goto out;
1658 }
1659 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1660 ioc->name, mf));
1661
1662 /* Format the Request
1663 */
1664 pScsiTm = (SCSITaskMgmt_t *) mf;
1665 pScsiTm->TargetID = id;
1666 pScsiTm->Bus = channel;
1667 pScsiTm->ChainOffset = 0;
1668 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1669
1670 pScsiTm->Reserved = 0;
1671 pScsiTm->TaskType = type;
1672 pScsiTm->Reserved1 = 0;
1673 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1674 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1675
1676 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1677
1678 for (ii=0; ii < 7; ii++)
1679 pScsiTm->Reserved2[ii] = 0;
1680
1681 pScsiTm->TaskMsgContext = ctx2abort;
1682
1683 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1684 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1685 type, timeout));
1686
1687 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1688
1689 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1690 time_count = jiffies;
1691 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1692 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1693 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1694 else {
1695 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1696 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1697 if (retval) {
1698 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1699 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1700 ioc->name, mf, retval));
1701 mpt_free_msg_frame(ioc, mf);
1702 mpt_clear_taskmgmt_in_progress_flag(ioc);
1703 goto out;
1704 }
1705 }
1706
1707 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1708 timeout*HZ);
1709 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1710 retval = FAILED;
1711 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1712 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1713 mpt_clear_taskmgmt_in_progress_flag(ioc);
1714 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1715 goto out;
1716 issue_hard_reset = 1;
1717 goto out;
1718 }
1719
1720 retval = mptscsih_taskmgmt_reply(ioc, type,
1721 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1722
1723 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1724 "TaskMgmt completed (%d seconds)\n",
1725 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1726
1727 out:
1728
1729 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1730 if (issue_hard_reset) {
1731 printk(MYIOC_s_WARN_FMT
1732 "Issuing Reset from %s!! doorbell=0x%08x\n",
1733 ioc->name, __func__, mpt_GetIocState(ioc, 0));
1734 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1735 mpt_free_msg_frame(ioc, mf);
1736 }
1737
1738 retval = (retval == 0) ? 0 : FAILED;
1739 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1740 return retval;
1741 }
1742 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1743
1744 static int
1745 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1746 {
1747 switch (ioc->bus_type) {
1748 case FC:
1749 return 40;
1750 case SAS:
1751 return 30;
1752 case SPI:
1753 default:
1754 return 10;
1755 }
1756 }
1757
1758 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1759 /**
1760 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1761 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1762 *
1763 * (linux scsi_host_template.eh_abort_handler routine)
1764 *
1765 * Returns SUCCESS or FAILED.
1766 **/
1767 int
1768 mptscsih_abort(struct scsi_cmnd * SCpnt)
1769 {
1770 MPT_SCSI_HOST *hd;
1771 MPT_FRAME_HDR *mf;
1772 u32 ctx2abort;
1773 int scpnt_idx;
1774 int retval;
1775 VirtDevice *vdevice;
1776 ulong sn = SCpnt->serial_number;
1777 MPT_ADAPTER *ioc;
1778
1779 /* If we can't locate our host adapter structure, return FAILED status.
1780 */
1781 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1782 SCpnt->result = DID_RESET << 16;
1783 SCpnt->scsi_done(SCpnt);
1784 printk(KERN_ERR MYNAM ": task abort: "
1785 "can't locate host! (sc=%p)\n", SCpnt);
1786 return FAILED;
1787 }
1788
1789 ioc = hd->ioc;
1790 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1791 ioc->name, SCpnt);
1792 scsi_print_command(SCpnt);
1793
1794 vdevice = SCpnt->device->hostdata;
1795 if (!vdevice || !vdevice->vtarget) {
1796 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1797 "task abort: device has been deleted (sc=%p)\n",
1798 ioc->name, SCpnt));
1799 SCpnt->result = DID_NO_CONNECT << 16;
1800 SCpnt->scsi_done(SCpnt);
1801 retval = SUCCESS;
1802 goto out;
1803 }
1804
1805 /* Task aborts are not supported for hidden raid components.
1806 */
1807 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1808 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1809 "task abort: hidden raid component (sc=%p)\n",
1810 ioc->name, SCpnt));
1811 SCpnt->result = DID_RESET << 16;
1812 retval = FAILED;
1813 goto out;
1814 }
1815
1816 /* Task aborts are not supported for volumes.
1817 */
1818 if (vdevice->vtarget->raidVolume) {
1819 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1820 "task abort: raid volume (sc=%p)\n",
1821 ioc->name, SCpnt));
1822 SCpnt->result = DID_RESET << 16;
1823 retval = FAILED;
1824 goto out;
1825 }
1826
1827 /* Find this command
1828 */
1829 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1830 /* Cmd not found in ScsiLookup.
1831 * Do OS callback.
1832 */
1833 SCpnt->result = DID_RESET << 16;
1834 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1835 "Command not in the active list! (sc=%p)\n", ioc->name,
1836 SCpnt));
1837 retval = SUCCESS;
1838 goto out;
1839 }
1840
1841 if (ioc->timeouts < -1)
1842 ioc->timeouts++;
1843
1844 if (mpt_fwfault_debug)
1845 mpt_halt_firmware(ioc);
1846
1847 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1848 * (the IO to be ABORT'd)
1849 *
1850 * NOTE: Since we do not byteswap MsgContext, we do not
1851 * swap it here either. It is an opaque cookie to
1852 * the controller, so it does not matter. -DaveM
1853 */
1854 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1855 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1856 retval = mptscsih_IssueTaskMgmt(hd,
1857 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1858 vdevice->vtarget->channel,
1859 vdevice->vtarget->id, vdevice->lun,
1860 ctx2abort, mptscsih_get_tm_timeout(ioc));
1861
1862 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx &&
1863 SCpnt->serial_number == sn) {
1864 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1865 "task abort: command still in active list! (sc=%p)\n",
1866 ioc->name, SCpnt));
1867 retval = FAILED;
1868 } else {
1869 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1870 "task abort: command cleared from active list! (sc=%p)\n",
1871 ioc->name, SCpnt));
1872 retval = SUCCESS;
1873 }
1874
1875 out:
1876 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p) (sn=%ld)\n",
1877 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1878 SCpnt, SCpnt->serial_number);
1879
1880 return retval;
1881 }
1882
1883 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1884 /**
1885 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1886 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1887 *
1888 * (linux scsi_host_template.eh_dev_reset_handler routine)
1889 *
1890 * Returns SUCCESS or FAILED.
1891 **/
1892 int
1893 mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1894 {
1895 MPT_SCSI_HOST *hd;
1896 int retval;
1897 VirtDevice *vdevice;
1898 MPT_ADAPTER *ioc;
1899
1900 /* If we can't locate our host adapter structure, return FAILED status.
1901 */
1902 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1903 printk(KERN_ERR MYNAM ": target reset: "
1904 "Can't locate host! (sc=%p)\n", SCpnt);
1905 return FAILED;
1906 }
1907
1908 ioc = hd->ioc;
1909 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1910 ioc->name, SCpnt);
1911 scsi_print_command(SCpnt);
1912
1913 vdevice = SCpnt->device->hostdata;
1914 if (!vdevice || !vdevice->vtarget) {
1915 retval = 0;
1916 goto out;
1917 }
1918
1919 /* Target reset to hidden raid component is not supported
1920 */
1921 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1922 retval = FAILED;
1923 goto out;
1924 }
1925
1926 retval = mptscsih_IssueTaskMgmt(hd,
1927 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1928 vdevice->vtarget->channel,
1929 vdevice->vtarget->id, 0, 0,
1930 mptscsih_get_tm_timeout(ioc));
1931
1932 out:
1933 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1934 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1935
1936 if (retval == 0)
1937 return SUCCESS;
1938 else
1939 return FAILED;
1940 }
1941
1942
1943 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1944 /**
1945 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1946 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1947 *
1948 * (linux scsi_host_template.eh_bus_reset_handler routine)
1949 *
1950 * Returns SUCCESS or FAILED.
1951 **/
1952 int
1953 mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1954 {
1955 MPT_SCSI_HOST *hd;
1956 int retval;
1957 VirtDevice *vdevice;
1958 MPT_ADAPTER *ioc;
1959
1960 /* If we can't locate our host adapter structure, return FAILED status.
1961 */
1962 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1963 printk(KERN_ERR MYNAM ": bus reset: "
1964 "Can't locate host! (sc=%p)\n", SCpnt);
1965 return FAILED;
1966 }
1967
1968 ioc = hd->ioc;
1969 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1970 ioc->name, SCpnt);
1971 scsi_print_command(SCpnt);
1972
1973 if (ioc->timeouts < -1)
1974 ioc->timeouts++;
1975
1976 vdevice = SCpnt->device->hostdata;
1977 if (!vdevice || !vdevice->vtarget)
1978 return SUCCESS;
1979 retval = mptscsih_IssueTaskMgmt(hd,
1980 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1981 vdevice->vtarget->channel, 0, 0, 0,
1982 mptscsih_get_tm_timeout(ioc));
1983
1984 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1985 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1986
1987 if (retval == 0)
1988 return SUCCESS;
1989 else
1990 return FAILED;
1991 }
1992
1993 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1994 /**
1995 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1996 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1997 *
1998 * (linux scsi_host_template.eh_host_reset_handler routine)
1999 *
2000 * Returns SUCCESS or FAILED.
2001 */
2002 int
2003 mptscsih_host_reset(struct scsi_cmnd *SCpnt)
2004 {
2005 MPT_SCSI_HOST * hd;
2006 int status = SUCCESS;
2007 MPT_ADAPTER *ioc;
2008 int retval;
2009
2010 /* If we can't locate the host to reset, then we failed. */
2011 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
2012 printk(KERN_ERR MYNAM ": host reset: "
2013 "Can't locate host! (sc=%p)\n", SCpnt);
2014 return FAILED;
2015 }
2016
2017 /* make sure we have no outstanding commands at this stage */
2018 mptscsih_flush_running_cmds(hd);
2019
2020 ioc = hd->ioc;
2021 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
2022 ioc->name, SCpnt);
2023
2024 /* If our attempts to reset the host failed, then return a failed
2025 * status. The host will be taken off line by the SCSI mid-layer.
2026 */
2027 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2028 if (retval < 0)
2029 status = FAILED;
2030 else
2031 status = SUCCESS;
2032
2033 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
2034 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
2035
2036 return status;
2037 }
2038
2039 static int
2040 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
2041 SCSITaskMgmtReply_t *pScsiTmReply)
2042 {
2043 u16 iocstatus;
2044 u32 termination_count;
2045 int retval;
2046
2047 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
2048 retval = FAILED;
2049 goto out;
2050 }
2051
2052 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
2053
2054 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2055 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
2056
2057 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2058 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
2059 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
2060 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
2061 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
2062 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
2063 termination_count));
2064
2065 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
2066 pScsiTmReply->ResponseCode)
2067 mptscsih_taskmgmt_response_code(ioc,
2068 pScsiTmReply->ResponseCode);
2069
2070 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
2071 retval = 0;
2072 goto out;
2073 }
2074
2075 retval = FAILED;
2076 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
2077 if (termination_count == 1)
2078 retval = 0;
2079 goto out;
2080 }
2081
2082 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
2083 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2084 retval = 0;
2085
2086 out:
2087 return retval;
2088 }
2089
2090 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2091 void
2092 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2093 {
2094 char *desc;
2095
2096 switch (response_code) {
2097 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2098 desc = "The task completed.";
2099 break;
2100 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2101 desc = "The IOC received an invalid frame status.";
2102 break;
2103 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2104 desc = "The task type is not supported.";
2105 break;
2106 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2107 desc = "The requested task failed.";
2108 break;
2109 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2110 desc = "The task completed successfully.";
2111 break;
2112 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2113 desc = "The LUN request is invalid.";
2114 break;
2115 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2116 desc = "The task is in the IOC queue and has not been sent to target.";
2117 break;
2118 default:
2119 desc = "unknown";
2120 break;
2121 }
2122 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2123 ioc->name, response_code, desc);
2124 }
2125 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2126
2127 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2128 /**
2129 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2130 * @ioc: Pointer to MPT_ADAPTER structure
2131 * @mf: Pointer to SCSI task mgmt request frame
2132 * @mr: Pointer to SCSI task mgmt reply frame
2133 *
2134 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2135 * of any SCSI task management request.
2136 * This routine is registered with the MPT (base) driver at driver
2137 * load/init time via the mpt_register() API call.
2138 *
2139 * Returns 1 indicating alloc'd request frame ptr should be freed.
2140 **/
2141 int
2142 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2143 MPT_FRAME_HDR *mr)
2144 {
2145 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2146 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2147
2148 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2149
2150 if (!mr)
2151 goto out;
2152
2153 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2154 memcpy(ioc->taskmgmt_cmds.reply, mr,
2155 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2156 out:
2157 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2158 mpt_clear_taskmgmt_in_progress_flag(ioc);
2159 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2160 complete(&ioc->taskmgmt_cmds.done);
2161 if (ioc->bus_type == SAS)
2162 ioc->schedule_target_reset(ioc);
2163 return 1;
2164 }
2165 return 0;
2166 }
2167
2168 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2169 /*
2170 * This is anyones guess quite frankly.
2171 */
2172 int
2173 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2174 sector_t capacity, int geom[])
2175 {
2176 int heads;
2177 int sectors;
2178 sector_t cylinders;
2179 ulong dummy;
2180
2181 heads = 64;
2182 sectors = 32;
2183
2184 dummy = heads * sectors;
2185 cylinders = capacity;
2186 sector_div(cylinders,dummy);
2187
2188 /*
2189 * Handle extended translation size for logical drives
2190 * > 1Gb
2191 */
2192 if ((ulong)capacity >= 0x200000) {
2193 heads = 255;
2194 sectors = 63;
2195 dummy = heads * sectors;
2196 cylinders = capacity;
2197 sector_div(cylinders,dummy);
2198 }
2199
2200 /* return result */
2201 geom[0] = heads;
2202 geom[1] = sectors;
2203 geom[2] = cylinders;
2204
2205 return 0;
2206 }
2207
2208 /* Search IOC page 3 to determine if this is hidden physical disk
2209 *
2210 */
2211 int
2212 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2213 {
2214 struct inactive_raid_component_info *component_info;
2215 int i, j;
2216 RaidPhysDiskPage1_t *phys_disk;
2217 int rc = 0;
2218 int num_paths;
2219
2220 if (!ioc->raid_data.pIocPg3)
2221 goto out;
2222 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2223 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2224 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2225 rc = 1;
2226 goto out;
2227 }
2228 }
2229
2230 if (ioc->bus_type != SAS)
2231 goto out;
2232
2233 /*
2234 * Check if dual path
2235 */
2236 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2237 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2238 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2239 if (num_paths < 2)
2240 continue;
2241 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2242 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2243 if (!phys_disk)
2244 continue;
2245 if ((mpt_raid_phys_disk_pg1(ioc,
2246 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2247 phys_disk))) {
2248 kfree(phys_disk);
2249 continue;
2250 }
2251 for (j = 0; j < num_paths; j++) {
2252 if ((phys_disk->Path[j].Flags &
2253 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2254 continue;
2255 if ((phys_disk->Path[j].Flags &
2256 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2257 continue;
2258 if ((id == phys_disk->Path[j].PhysDiskID) &&
2259 (channel == phys_disk->Path[j].PhysDiskBus)) {
2260 rc = 1;
2261 kfree(phys_disk);
2262 goto out;
2263 }
2264 }
2265 kfree(phys_disk);
2266 }
2267
2268
2269 /*
2270 * Check inactive list for matching phys disks
2271 */
2272 if (list_empty(&ioc->raid_data.inactive_list))
2273 goto out;
2274
2275 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2276 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2277 list) {
2278 if ((component_info->d.PhysDiskID == id) &&
2279 (component_info->d.PhysDiskBus == channel))
2280 rc = 1;
2281 }
2282 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2283
2284 out:
2285 return rc;
2286 }
2287 EXPORT_SYMBOL(mptscsih_is_phys_disk);
2288
2289 u8
2290 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2291 {
2292 struct inactive_raid_component_info *component_info;
2293 int i, j;
2294 RaidPhysDiskPage1_t *phys_disk;
2295 int rc = -ENXIO;
2296 int num_paths;
2297
2298 if (!ioc->raid_data.pIocPg3)
2299 goto out;
2300 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2301 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2302 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2303 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2304 goto out;
2305 }
2306 }
2307
2308 if (ioc->bus_type != SAS)
2309 goto out;
2310
2311 /*
2312 * Check if dual path
2313 */
2314 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2315 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2316 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2317 if (num_paths < 2)
2318 continue;
2319 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2320 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2321 if (!phys_disk)
2322 continue;
2323 if ((mpt_raid_phys_disk_pg1(ioc,
2324 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2325 phys_disk))) {
2326 kfree(phys_disk);
2327 continue;
2328 }
2329 for (j = 0; j < num_paths; j++) {
2330 if ((phys_disk->Path[j].Flags &
2331 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2332 continue;
2333 if ((phys_disk->Path[j].Flags &
2334 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2335 continue;
2336 if ((id == phys_disk->Path[j].PhysDiskID) &&
2337 (channel == phys_disk->Path[j].PhysDiskBus)) {
2338 rc = phys_disk->PhysDiskNum;
2339 kfree(phys_disk);
2340 goto out;
2341 }
2342 }
2343 kfree(phys_disk);
2344 }
2345
2346 /*
2347 * Check inactive list for matching phys disks
2348 */
2349 if (list_empty(&ioc->raid_data.inactive_list))
2350 goto out;
2351
2352 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2353 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2354 list) {
2355 if ((component_info->d.PhysDiskID == id) &&
2356 (component_info->d.PhysDiskBus == channel))
2357 rc = component_info->d.PhysDiskNum;
2358 }
2359 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2360
2361 out:
2362 return rc;
2363 }
2364 EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2365
2366 /*
2367 * OS entry point to allow for host driver to free allocated memory
2368 * Called if no device present or device being unloaded
2369 */
2370 void
2371 mptscsih_slave_destroy(struct scsi_device *sdev)
2372 {
2373 struct Scsi_Host *host = sdev->host;
2374 MPT_SCSI_HOST *hd = shost_priv(host);
2375 VirtTarget *vtarget;
2376 VirtDevice *vdevice;
2377 struct scsi_target *starget;
2378
2379 starget = scsi_target(sdev);
2380 vtarget = starget->hostdata;
2381 vdevice = sdev->hostdata;
2382 if (!vdevice)
2383 return;
2384
2385 mptscsih_search_running_cmds(hd, vdevice);
2386 vtarget->num_luns--;
2387 mptscsih_synchronize_cache(hd, vdevice);
2388 kfree(vdevice);
2389 sdev->hostdata = NULL;
2390 }
2391
2392 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2393 /*
2394 * mptscsih_change_queue_depth - This function will set a devices queue depth
2395 * @sdev: per scsi_device pointer
2396 * @qdepth: requested queue depth
2397 * @reason: calling context
2398 *
2399 * Adding support for new 'change_queue_depth' api.
2400 */
2401 int
2402 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
2403 {
2404 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2405 VirtTarget *vtarget;
2406 struct scsi_target *starget;
2407 int max_depth;
2408 int tagged;
2409 MPT_ADAPTER *ioc = hd->ioc;
2410
2411 starget = scsi_target(sdev);
2412 vtarget = starget->hostdata;
2413
2414 if (reason != SCSI_QDEPTH_DEFAULT)
2415 return -EOPNOTSUPP;
2416
2417 if (ioc->bus_type == SPI) {
2418 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2419 max_depth = 1;
2420 else if (sdev->type == TYPE_DISK &&
2421 vtarget->minSyncFactor <= MPT_ULTRA160)
2422 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2423 else
2424 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2425 } else
2426 max_depth = ioc->sh->can_queue;
2427
2428 if (!sdev->tagged_supported)
2429 max_depth = 1;
2430
2431 if (qdepth > max_depth)
2432 qdepth = max_depth;
2433 if (qdepth == 1)
2434 tagged = 0;
2435 else
2436 tagged = MSG_SIMPLE_TAG;
2437
2438 scsi_adjust_queue_depth(sdev, tagged, qdepth);
2439 return sdev->queue_depth;
2440 }
2441
2442 /*
2443 * OS entry point to adjust the queue_depths on a per-device basis.
2444 * Called once per device the bus scan. Use it to force the queue_depth
2445 * member to 1 if a device does not support Q tags.
2446 * Return non-zero if fails.
2447 */
2448 int
2449 mptscsih_slave_configure(struct scsi_device *sdev)
2450 {
2451 struct Scsi_Host *sh = sdev->host;
2452 VirtTarget *vtarget;
2453 VirtDevice *vdevice;
2454 struct scsi_target *starget;
2455 MPT_SCSI_HOST *hd = shost_priv(sh);
2456 MPT_ADAPTER *ioc = hd->ioc;
2457
2458 starget = scsi_target(sdev);
2459 vtarget = starget->hostdata;
2460 vdevice = sdev->hostdata;
2461
2462 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2463 "device @ %p, channel=%d, id=%d, lun=%d\n",
2464 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2465 if (ioc->bus_type == SPI)
2466 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2467 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2468 ioc->name, sdev->sdtr, sdev->wdtr,
2469 sdev->ppr, sdev->inquiry_len));
2470
2471 vdevice->configured_lun = 1;
2472
2473 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2474 "Queue depth=%d, tflags=%x\n",
2475 ioc->name, sdev->queue_depth, vtarget->tflags));
2476
2477 if (ioc->bus_type == SPI)
2478 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2479 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2480 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2481 vtarget->minSyncFactor));
2482
2483 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH,
2484 SCSI_QDEPTH_DEFAULT);
2485 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2486 "tagged %d, simple %d, ordered %d\n",
2487 ioc->name,sdev->tagged_supported, sdev->simple_tags,
2488 sdev->ordered_tags));
2489
2490 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2491
2492 return 0;
2493 }
2494
2495 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2496 /*
2497 * Private routines...
2498 */
2499
2500 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2501 /* Utility function to copy sense data from the scsi_cmnd buffer
2502 * to the FC and SCSI target structures.
2503 *
2504 */
2505 static void
2506 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2507 {
2508 VirtDevice *vdevice;
2509 SCSIIORequest_t *pReq;
2510 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2511 MPT_ADAPTER *ioc = hd->ioc;
2512
2513 /* Get target structure
2514 */
2515 pReq = (SCSIIORequest_t *) mf;
2516 vdevice = sc->device->hostdata;
2517
2518 if (sense_count) {
2519 u8 *sense_data;
2520 int req_index;
2521
2522 /* Copy the sense received into the scsi command block. */
2523 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2524 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2525 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2526
2527 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2528 */
2529 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2530 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2531 int idx;
2532
2533 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2534 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2535 ioc->events[idx].eventContext = ioc->eventContext;
2536
2537 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2538 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2539 (sc->device->channel << 8) | sc->device->id;
2540
2541 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2542
2543 ioc->eventContext++;
2544 if (ioc->pcidev->vendor ==
2545 PCI_VENDOR_ID_IBM) {
2546 mptscsih_issue_sep_command(ioc,
2547 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2548 vdevice->vtarget->tflags |=
2549 MPT_TARGET_FLAGS_LED_ON;
2550 }
2551 }
2552 }
2553 } else {
2554 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2555 ioc->name));
2556 }
2557 }
2558
2559 /**
2560 * mptscsih_get_scsi_lookup - retrieves scmd entry
2561 * @ioc: Pointer to MPT_ADAPTER structure
2562 * @i: index into the array
2563 *
2564 * Returns the scsi_cmd pointer
2565 */
2566 struct scsi_cmnd *
2567 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2568 {
2569 unsigned long flags;
2570 struct scsi_cmnd *scmd;
2571
2572 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2573 scmd = ioc->ScsiLookup[i];
2574 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2575
2576 return scmd;
2577 }
2578 EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2579
2580 /**
2581 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2582 * @ioc: Pointer to MPT_ADAPTER structure
2583 * @i: index into the array
2584 *
2585 * Returns the scsi_cmd pointer
2586 *
2587 **/
2588 static struct scsi_cmnd *
2589 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2590 {
2591 unsigned long flags;
2592 struct scsi_cmnd *scmd;
2593
2594 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2595 scmd = ioc->ScsiLookup[i];
2596 ioc->ScsiLookup[i] = NULL;
2597 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2598
2599 return scmd;
2600 }
2601
2602 /**
2603 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
2604 *
2605 * @ioc: Pointer to MPT_ADAPTER structure
2606 * @i: index into the array
2607 * @scmd: scsi_cmnd pointer
2608 *
2609 **/
2610 static void
2611 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2612 {
2613 unsigned long flags;
2614
2615 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2616 ioc->ScsiLookup[i] = scmd;
2617 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2618 }
2619
2620 /**
2621 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2622 * @ioc: Pointer to MPT_ADAPTER structure
2623 * @sc: scsi_cmnd pointer
2624 */
2625 static int
2626 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2627 {
2628 unsigned long flags;
2629 int i, index=-1;
2630
2631 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2632 for (i = 0; i < ioc->req_depth; i++) {
2633 if (ioc->ScsiLookup[i] == sc) {
2634 index = i;
2635 goto out;
2636 }
2637 }
2638
2639 out:
2640 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2641 return index;
2642 }
2643
2644 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2645 int
2646 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2647 {
2648 MPT_SCSI_HOST *hd;
2649
2650 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2651 return 0;
2652
2653 hd = shost_priv(ioc->sh);
2654 switch (reset_phase) {
2655 case MPT_IOC_SETUP_RESET:
2656 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2657 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2658 break;
2659 case MPT_IOC_PRE_RESET:
2660 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2661 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2662 mptscsih_flush_running_cmds(hd);
2663 break;
2664 case MPT_IOC_POST_RESET:
2665 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2666 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2667 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2668 ioc->internal_cmds.status |=
2669 MPT_MGMT_STATUS_DID_IOCRESET;
2670 complete(&ioc->internal_cmds.done);
2671 }
2672 break;
2673 default:
2674 break;
2675 }
2676 return 1; /* currently means nothing really */
2677 }
2678
2679 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2680 int
2681 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2682 {
2683 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2684
2685 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2686 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2687 ioc->name, event));
2688
2689 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2690 event == MPI_EVENT_EXT_BUS_RESET) &&
2691 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2692 ioc->soft_resets++;
2693
2694 return 1; /* currently means nothing really */
2695 }
2696
2697 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2698 /*
2699 * Bus Scan and Domain Validation functionality ...
2700 */
2701
2702 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2703 /*
2704 * mptscsih_scandv_complete - Scan and DV callback routine registered
2705 * to Fustion MPT (base) driver.
2706 *
2707 * @ioc: Pointer to MPT_ADAPTER structure
2708 * @mf: Pointer to original MPT request frame
2709 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2710 *
2711 * This routine is called from mpt.c::mpt_interrupt() at the completion
2712 * of any SCSI IO request.
2713 * This routine is registered with the Fusion MPT (base) driver at driver
2714 * load/init time via the mpt_register() API call.
2715 *
2716 * Returns 1 indicating alloc'd request frame ptr should be freed.
2717 *
2718 * Remark: Sets a completion code and (possibly) saves sense data
2719 * in the IOC member localReply structure.
2720 * Used ONLY for DV and other internal commands.
2721 */
2722 int
2723 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2724 MPT_FRAME_HDR *reply)
2725 {
2726 SCSIIORequest_t *pReq;
2727 SCSIIOReply_t *pReply;
2728 u8 cmd;
2729 u16 req_idx;
2730 u8 *sense_data;
2731 int sz;
2732
2733 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2734 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2735 if (!reply)
2736 goto out;
2737
2738 pReply = (SCSIIOReply_t *) reply;
2739 pReq = (SCSIIORequest_t *) req;
2740 ioc->internal_cmds.completion_code =
2741 mptscsih_get_completion_code(ioc, req, reply);
2742 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2743 memcpy(ioc->internal_cmds.reply, reply,
2744 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2745 cmd = reply->u.hdr.Function;
2746 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2747 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2748 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2749 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2750 sense_data = ((u8 *)ioc->sense_buf_pool +
2751 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2752 sz = min_t(int, pReq->SenseBufferLength,
2753 MPT_SENSE_BUFFER_ALLOC);
2754 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2755 }
2756 out:
2757 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2758 return 0;
2759 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2760 complete(&ioc->internal_cmds.done);
2761 return 1;
2762 }
2763
2764
2765 /**
2766 * mptscsih_get_completion_code - get completion code from MPT request
2767 * @ioc: Pointer to MPT_ADAPTER structure
2768 * @req: Pointer to original MPT request frame
2769 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
2770 *
2771 **/
2772 static int
2773 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2774 MPT_FRAME_HDR *reply)
2775 {
2776 SCSIIOReply_t *pReply;
2777 MpiRaidActionReply_t *pr;
2778 u8 scsi_status;
2779 u16 status;
2780 int completion_code;
2781
2782 pReply = (SCSIIOReply_t *)reply;
2783 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2784 scsi_status = pReply->SCSIStatus;
2785
2786 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2787 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2788 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2789 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2790
2791 switch (status) {
2792
2793 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2794 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2795 break;
2796
2797 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2798 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2799 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2800 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2801 completion_code = MPT_SCANDV_DID_RESET;
2802 break;
2803
2804 case MPI_IOCSTATUS_BUSY:
2805 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2806 completion_code = MPT_SCANDV_BUSY;
2807 break;
2808
2809 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2810 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2811 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2812 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2813 completion_code = MPT_SCANDV_GOOD;
2814 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2815 pr = (MpiRaidActionReply_t *)reply;
2816 if (le16_to_cpu(pr->ActionStatus) ==
2817 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2818 completion_code = MPT_SCANDV_GOOD;
2819 else
2820 completion_code = MPT_SCANDV_SOME_ERROR;
2821 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2822 completion_code = MPT_SCANDV_SENSE;
2823 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2824 if (req->u.scsireq.CDB[0] == INQUIRY)
2825 completion_code = MPT_SCANDV_ISSUE_SENSE;
2826 else
2827 completion_code = MPT_SCANDV_DID_RESET;
2828 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2829 completion_code = MPT_SCANDV_DID_RESET;
2830 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2831 completion_code = MPT_SCANDV_DID_RESET;
2832 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2833 completion_code = MPT_SCANDV_BUSY;
2834 else
2835 completion_code = MPT_SCANDV_GOOD;
2836 break;
2837
2838 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2839 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2840 completion_code = MPT_SCANDV_DID_RESET;
2841 else
2842 completion_code = MPT_SCANDV_SOME_ERROR;
2843 break;
2844 default:
2845 completion_code = MPT_SCANDV_SOME_ERROR;
2846 break;
2847
2848 } /* switch(status) */
2849
2850 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2851 " completionCode set to %08xh\n", ioc->name, completion_code));
2852 return completion_code;
2853 }
2854
2855 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2856 /**
2857 * mptscsih_do_cmd - Do internal command.
2858 * @hd: MPT_SCSI_HOST pointer
2859 * @io: INTERNAL_CMD pointer.
2860 *
2861 * Issue the specified internally generated command and do command
2862 * specific cleanup. For bus scan / DV only.
2863 * NOTES: If command is Inquiry and status is good,
2864 * initialize a target structure, save the data
2865 *
2866 * Remark: Single threaded access only.
2867 *
2868 * Return:
2869 * < 0 if an illegal command or no resources
2870 *
2871 * 0 if good
2872 *
2873 * > 0 if command complete but some type of completion error.
2874 */
2875 static int
2876 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2877 {
2878 MPT_FRAME_HDR *mf;
2879 SCSIIORequest_t *pScsiReq;
2880 int my_idx, ii, dir;
2881 int timeout;
2882 char cmdLen;
2883 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2884 u8 cmd = io->cmd;
2885 MPT_ADAPTER *ioc = hd->ioc;
2886 int ret = 0;
2887 unsigned long timeleft;
2888 unsigned long flags;
2889
2890 /* don't send internal command during diag reset */
2891 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2892 if (ioc->ioc_reset_in_progress) {
2893 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2894 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2895 "%s: busy with host reset\n", ioc->name, __func__));
2896 return MPT_SCANDV_BUSY;
2897 }
2898 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2899
2900 mutex_lock(&ioc->internal_cmds.mutex);
2901
2902 /* Set command specific information
2903 */
2904 switch (cmd) {
2905 case INQUIRY:
2906 cmdLen = 6;
2907 dir = MPI_SCSIIO_CONTROL_READ;
2908 CDB[0] = cmd;
2909 CDB[4] = io->size;
2910 timeout = 10;
2911 break;
2912
2913 case TEST_UNIT_READY:
2914 cmdLen = 6;
2915 dir = MPI_SCSIIO_CONTROL_READ;
2916 timeout = 10;
2917 break;
2918
2919 case START_STOP:
2920 cmdLen = 6;
2921 dir = MPI_SCSIIO_CONTROL_READ;
2922 CDB[0] = cmd;
2923 CDB[4] = 1; /*Spin up the disk */
2924 timeout = 15;
2925 break;
2926
2927 case REQUEST_SENSE:
2928 cmdLen = 6;
2929 CDB[0] = cmd;
2930 CDB[4] = io->size;
2931 dir = MPI_SCSIIO_CONTROL_READ;
2932 timeout = 10;
2933 break;
2934
2935 case READ_BUFFER:
2936 cmdLen = 10;
2937 dir = MPI_SCSIIO_CONTROL_READ;
2938 CDB[0] = cmd;
2939 if (io->flags & MPT_ICFLAG_ECHO) {
2940 CDB[1] = 0x0A;
2941 } else {
2942 CDB[1] = 0x02;
2943 }
2944
2945 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2946 CDB[1] |= 0x01;
2947 }
2948 CDB[6] = (io->size >> 16) & 0xFF;
2949 CDB[7] = (io->size >> 8) & 0xFF;
2950 CDB[8] = io->size & 0xFF;
2951 timeout = 10;
2952 break;
2953
2954 case WRITE_BUFFER:
2955 cmdLen = 10;
2956 dir = MPI_SCSIIO_CONTROL_WRITE;
2957 CDB[0] = cmd;
2958 if (io->flags & MPT_ICFLAG_ECHO) {
2959 CDB[1] = 0x0A;
2960 } else {
2961 CDB[1] = 0x02;
2962 }
2963 CDB[6] = (io->size >> 16) & 0xFF;
2964 CDB[7] = (io->size >> 8) & 0xFF;
2965 CDB[8] = io->size & 0xFF;
2966 timeout = 10;
2967 break;
2968
2969 case RESERVE:
2970 cmdLen = 6;
2971 dir = MPI_SCSIIO_CONTROL_READ;
2972 CDB[0] = cmd;
2973 timeout = 10;
2974 break;
2975
2976 case RELEASE:
2977 cmdLen = 6;
2978 dir = MPI_SCSIIO_CONTROL_READ;
2979 CDB[0] = cmd;
2980 timeout = 10;
2981 break;
2982
2983 case SYNCHRONIZE_CACHE:
2984 cmdLen = 10;
2985 dir = MPI_SCSIIO_CONTROL_READ;
2986 CDB[0] = cmd;
2987 // CDB[1] = 0x02; /* set immediate bit */
2988 timeout = 10;
2989 break;
2990
2991 default:
2992 /* Error Case */
2993 ret = -EFAULT;
2994 goto out;
2995 }
2996
2997 /* Get and Populate a free Frame
2998 * MsgContext set in mpt_get_msg_frame call
2999 */
3000 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
3001 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
3002 ioc->name, __func__));
3003 ret = MPT_SCANDV_BUSY;
3004 goto out;
3005 }
3006
3007 pScsiReq = (SCSIIORequest_t *) mf;
3008
3009 /* Get the request index */
3010 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
3011 ADD_INDEX_LOG(my_idx); /* for debug */
3012
3013 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
3014 pScsiReq->TargetID = io->physDiskNum;
3015 pScsiReq->Bus = 0;
3016 pScsiReq->ChainOffset = 0;
3017 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
3018 } else {
3019 pScsiReq->TargetID = io->id;
3020 pScsiReq->Bus = io->channel;
3021 pScsiReq->ChainOffset = 0;
3022 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
3023 }
3024
3025 pScsiReq->CDBLength = cmdLen;
3026 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
3027
3028 pScsiReq->Reserved = 0;
3029
3030 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
3031 /* MsgContext set in mpt_get_msg_fram call */
3032
3033 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
3034
3035 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
3036 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
3037 else
3038 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3039
3040 if (cmd == REQUEST_SENSE) {
3041 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3042 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3043 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
3044 }
3045
3046 for (ii = 0; ii < 16; ii++)
3047 pScsiReq->CDB[ii] = CDB[ii];
3048
3049 pScsiReq->DataLength = cpu_to_le32(io->size);
3050 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
3051 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
3052
3053 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3054 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n",
3055 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
3056
3057 if (dir == MPI_SCSIIO_CONTROL_READ)
3058 ioc->add_sge((char *) &pScsiReq->SGL,
3059 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
3060 else
3061 ioc->add_sge((char *) &pScsiReq->SGL,
3062 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
3063
3064 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
3065 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
3066 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
3067 timeout*HZ);
3068 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
3069 ret = MPT_SCANDV_DID_RESET;
3070 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3071 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
3072 cmd));
3073 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
3074 mpt_free_msg_frame(ioc, mf);
3075 goto out;
3076 }
3077 if (!timeleft) {
3078 printk(MYIOC_s_WARN_FMT
3079 "Issuing Reset from %s!! doorbell=0x%08xh"
3080 " cmd=0x%02x\n",
3081 ioc->name, __func__, mpt_GetIocState(ioc, 0),
3082 cmd);
3083 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
3084 mpt_free_msg_frame(ioc, mf);
3085 }
3086 goto out;
3087 }
3088
3089 ret = ioc->internal_cmds.completion_code;
3090 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
3091 ioc->name, __func__, ret));
3092
3093 out:
3094 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
3095 mutex_unlock(&ioc->internal_cmds.mutex);
3096 return ret;
3097 }
3098
3099 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3100 /**
3101 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3102 * @hd: Pointer to a SCSI HOST structure
3103 * @vdevice: virtual target device
3104 *
3105 * Uses the ISR, but with special processing.
3106 * MUST be single-threaded.
3107 *
3108 */
3109 static void
3110 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3111 {
3112 INTERNAL_CMD iocmd;
3113
3114 /* Ignore hidden raid components, this is handled when the command
3115 * is sent to the volume
3116 */
3117 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3118 return;
3119
3120 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3121 !vdevice->configured_lun)
3122 return;
3123
3124 /* Following parameters will not change
3125 * in this routine.
3126 */
3127 iocmd.cmd = SYNCHRONIZE_CACHE;
3128 iocmd.flags = 0;
3129 iocmd.physDiskNum = -1;
3130 iocmd.data = NULL;
3131 iocmd.data_dma = -1;
3132 iocmd.size = 0;
3133 iocmd.rsvd = iocmd.rsvd2 = 0;
3134 iocmd.channel = vdevice->vtarget->channel;
3135 iocmd.id = vdevice->vtarget->id;
3136 iocmd.lun = vdevice->lun;
3137
3138 mptscsih_do_cmd(hd, &iocmd);
3139 }
3140
3141 static ssize_t
3142 mptscsih_version_fw_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, "%02d.%02d.%02d.%02d\n",
3150 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3151 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3152 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3153 ioc->facts.FWVersion.Word & 0x000000FF);
3154 }
3155 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3156
3157 static ssize_t
3158 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3159 char *buf)
3160 {
3161 struct Scsi_Host *host = class_to_shost(dev);
3162 MPT_SCSI_HOST *hd = shost_priv(host);
3163 MPT_ADAPTER *ioc = hd->ioc;
3164
3165 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3166 (ioc->biosVersion & 0xFF000000) >> 24,
3167 (ioc->biosVersion & 0x00FF0000) >> 16,
3168 (ioc->biosVersion & 0x0000FF00) >> 8,
3169 ioc->biosVersion & 0x000000FF);
3170 }
3171 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3172
3173 static ssize_t
3174 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3175 char *buf)
3176 {
3177 struct Scsi_Host *host = class_to_shost(dev);
3178 MPT_SCSI_HOST *hd = shost_priv(host);
3179 MPT_ADAPTER *ioc = hd->ioc;
3180
3181 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3182 }
3183 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3184
3185 static ssize_t
3186 mptscsih_version_product_show(struct device *dev,
3187 struct device_attribute *attr,
3188 char *buf)
3189 {
3190 struct Scsi_Host *host = class_to_shost(dev);
3191 MPT_SCSI_HOST *hd = shost_priv(host);
3192 MPT_ADAPTER *ioc = hd->ioc;
3193
3194 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3195 }
3196 static DEVICE_ATTR(version_product, S_IRUGO,
3197 mptscsih_version_product_show, NULL);
3198
3199 static ssize_t
3200 mptscsih_version_nvdata_persistent_show(struct device *dev,
3201 struct device_attribute *attr,
3202 char *buf)
3203 {
3204 struct Scsi_Host *host = class_to_shost(dev);
3205 MPT_SCSI_HOST *hd = shost_priv(host);
3206 MPT_ADAPTER *ioc = hd->ioc;
3207
3208 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3209 ioc->nvdata_version_persistent);
3210 }
3211 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3212 mptscsih_version_nvdata_persistent_show, NULL);
3213
3214 static ssize_t
3215 mptscsih_version_nvdata_default_show(struct device *dev,
3216 struct device_attribute *attr, char *buf)
3217 {
3218 struct Scsi_Host *host = class_to_shost(dev);
3219 MPT_SCSI_HOST *hd = shost_priv(host);
3220 MPT_ADAPTER *ioc = hd->ioc;
3221
3222 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3223 }
3224 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3225 mptscsih_version_nvdata_default_show, NULL);
3226
3227 static ssize_t
3228 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3229 char *buf)
3230 {
3231 struct Scsi_Host *host = class_to_shost(dev);
3232 MPT_SCSI_HOST *hd = shost_priv(host);
3233 MPT_ADAPTER *ioc = hd->ioc;
3234
3235 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3236 }
3237 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3238
3239 static ssize_t
3240 mptscsih_board_assembly_show(struct device *dev,
3241 struct device_attribute *attr, char *buf)
3242 {
3243 struct Scsi_Host *host = class_to_shost(dev);
3244 MPT_SCSI_HOST *hd = shost_priv(host);
3245 MPT_ADAPTER *ioc = hd->ioc;
3246
3247 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3248 }
3249 static DEVICE_ATTR(board_assembly, S_IRUGO,
3250 mptscsih_board_assembly_show, NULL);
3251
3252 static ssize_t
3253 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3254 char *buf)
3255 {
3256 struct Scsi_Host *host = class_to_shost(dev);
3257 MPT_SCSI_HOST *hd = shost_priv(host);
3258 MPT_ADAPTER *ioc = hd->ioc;
3259
3260 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3261 }
3262 static DEVICE_ATTR(board_tracer, S_IRUGO,
3263 mptscsih_board_tracer_show, NULL);
3264
3265 static ssize_t
3266 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3267 char *buf)
3268 {
3269 struct Scsi_Host *host = class_to_shost(dev);
3270 MPT_SCSI_HOST *hd = shost_priv(host);
3271 MPT_ADAPTER *ioc = hd->ioc;
3272
3273 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3274 }
3275 static DEVICE_ATTR(io_delay, S_IRUGO,
3276 mptscsih_io_delay_show, NULL);
3277
3278 static ssize_t
3279 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3280 char *buf)
3281 {
3282 struct Scsi_Host *host = class_to_shost(dev);
3283 MPT_SCSI_HOST *hd = shost_priv(host);
3284 MPT_ADAPTER *ioc = hd->ioc;
3285
3286 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3287 }
3288 static DEVICE_ATTR(device_delay, S_IRUGO,
3289 mptscsih_device_delay_show, NULL);
3290
3291 static ssize_t
3292 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3293 char *buf)
3294 {
3295 struct Scsi_Host *host = class_to_shost(dev);
3296 MPT_SCSI_HOST *hd = shost_priv(host);
3297 MPT_ADAPTER *ioc = hd->ioc;
3298
3299 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3300 }
3301 static ssize_t
3302 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3303 const char *buf, size_t count)
3304 {
3305 struct Scsi_Host *host = class_to_shost(dev);
3306 MPT_SCSI_HOST *hd = shost_priv(host);
3307 MPT_ADAPTER *ioc = hd->ioc;
3308 int val = 0;
3309
3310 if (sscanf(buf, "%x", &val) != 1)
3311 return -EINVAL;
3312
3313 ioc->debug_level = val;
3314 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3315 ioc->name, ioc->debug_level);
3316 return strlen(buf);
3317 }
3318 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3319 mptscsih_debug_level_show, mptscsih_debug_level_store);
3320
3321 struct device_attribute *mptscsih_host_attrs[] = {
3322 &dev_attr_version_fw,
3323 &dev_attr_version_bios,
3324 &dev_attr_version_mpi,
3325 &dev_attr_version_product,
3326 &dev_attr_version_nvdata_persistent,
3327 &dev_attr_version_nvdata_default,
3328 &dev_attr_board_name,
3329 &dev_attr_board_assembly,
3330 &dev_attr_board_tracer,
3331 &dev_attr_io_delay,
3332 &dev_attr_device_delay,
3333 &dev_attr_debug_level,
3334 NULL,
3335 };
3336
3337 EXPORT_SYMBOL(mptscsih_host_attrs);
3338
3339 EXPORT_SYMBOL(mptscsih_remove);
3340 EXPORT_SYMBOL(mptscsih_shutdown);
3341 #ifdef CONFIG_PM
3342 EXPORT_SYMBOL(mptscsih_suspend);
3343 EXPORT_SYMBOL(mptscsih_resume);
3344 #endif
3345 EXPORT_SYMBOL(mptscsih_proc_info);
3346 EXPORT_SYMBOL(mptscsih_info);
3347 EXPORT_SYMBOL(mptscsih_qcmd);
3348 EXPORT_SYMBOL(mptscsih_slave_destroy);
3349 EXPORT_SYMBOL(mptscsih_slave_configure);
3350 EXPORT_SYMBOL(mptscsih_abort);
3351 EXPORT_SYMBOL(mptscsih_dev_reset);
3352 EXPORT_SYMBOL(mptscsih_bus_reset);
3353 EXPORT_SYMBOL(mptscsih_host_reset);
3354 EXPORT_SYMBOL(mptscsih_bios_param);
3355 EXPORT_SYMBOL(mptscsih_io_done);
3356 EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3357 EXPORT_SYMBOL(mptscsih_scandv_complete);
3358 EXPORT_SYMBOL(mptscsih_event_process);
3359 EXPORT_SYMBOL(mptscsih_ioc_reset);
3360 EXPORT_SYMBOL(mptscsih_change_queue_depth);
3361
3362 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Mirror of the linux-mips.org kernel tree