Loading...
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
75MODULE_AUTHOR(MODULEAUTHOR);
76MODULE_DESCRIPTION(my_NAME);
77MODULE_LICENSE("GPL");
78MODULE_VERSION(my_VERSION);
79
80/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
81/*
82 * Other private/forward protos...
83 */
84struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
85static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
86static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
87static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
88int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
89static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
90int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
91
92static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
93 SCSIIORequest_t *pReq, int req_idx);
94static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
95static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
96
97int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
98 int lun, int ctx2abort, ulong timeout);
99
100int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
101int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
102
103void
104mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
105static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
106 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
107int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
108static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
109static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
110
111static int
112mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
113 SCSITaskMgmtReply_t *pScsiTmReply);
114void mptscsih_remove(struct pci_dev *);
115void mptscsih_shutdown(struct pci_dev *);
116#ifdef CONFIG_PM
117int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
118int 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 */
133static inline int
134mptscsih_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 */
178static int
179mptscsih_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
227nextSGEset:
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
391static void
392mptscsih_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 **/
435static void
436mptscsih_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 */
587int
588mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
589{
590 struct scsi_cmnd *sc;
591 MPT_SCSI_HOST *hd;
592 SCSIIORequest_t *pScsiReq;
593 SCSIIOReply_t *pScsiReply;
594 u16 req_idx, req_idx_MR;
595 VirtDevice *vdevice;
596 VirtTarget *vtarget;
597
598 hd = shost_priv(ioc->sh);
599 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
600 req_idx_MR = (mr != NULL) ?
601 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
602
603 /* Special case, where already freed message frame is received from
604 * Firmware. It happens with Resetting IOC.
605 * Return immediately. Do not care
606 */
607 if ((req_idx != req_idx_MR) ||
608 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
609 return 0;
610
611 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
612 if (sc == NULL) {
613 MPIHeader_t *hdr = (MPIHeader_t *)mf;
614
615 /* Remark: writeSDP1 will use the ScsiDoneCtx
616 * If a SCSI I/O cmd, device disabled by OS and
617 * completion done. Cannot touch sc struct. Just free mem.
618 */
619 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
620 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
621 ioc->name);
622
623 mptscsih_freeChainBuffers(ioc, req_idx);
624 return 1;
625 }
626
627 if ((unsigned char *)mf != sc->host_scribble) {
628 mptscsih_freeChainBuffers(ioc, req_idx);
629 return 1;
630 }
631
632 if (ioc->bus_type == SAS) {
633 VirtDevice *vdevice = sc->device->hostdata;
634
635 if (!vdevice || !vdevice->vtarget ||
636 vdevice->vtarget->deleted) {
637 sc->result = DID_NO_CONNECT << 16;
638 goto out;
639 }
640 }
641
642 sc->host_scribble = NULL;
643 sc->result = DID_OK << 16; /* Set default reply as OK */
644 pScsiReq = (SCSIIORequest_t *) mf;
645 pScsiReply = (SCSIIOReply_t *) mr;
646
647 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
648 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
649 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
650 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
651 }else{
652 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
653 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
654 ioc->name, mf, mr, sc, req_idx));
655 }
656
657 if (pScsiReply == NULL) {
658 /* special context reply handling */
659 ;
660 } else {
661 u32 xfer_cnt;
662 u16 status;
663 u8 scsi_state, scsi_status;
664 u32 log_info;
665
666 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
667
668 scsi_state = pScsiReply->SCSIState;
669 scsi_status = pScsiReply->SCSIStatus;
670 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
671 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
672 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
673
674 /*
675 * if we get a data underrun indication, yet no data was
676 * transferred and the SCSI status indicates that the
677 * command was never started, change the data underrun
678 * to success
679 */
680 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
681 (scsi_status == MPI_SCSI_STATUS_BUSY ||
682 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
683 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
684 status = MPI_IOCSTATUS_SUCCESS;
685 }
686
687 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
688 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
689
690 /*
691 * Look for + dump FCP ResponseInfo[]!
692 */
693 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
694 pScsiReply->ResponseInfo) {
695 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%d] "
696 "FCP_ResponseInfo=%08xh\n", ioc->name,
697 sc->device->host->host_no, sc->device->channel,
698 sc->device->id, sc->device->lun,
699 le32_to_cpu(pScsiReply->ResponseInfo));
700 }
701
702 switch(status) {
703 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
704 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
705 /* CHECKME!
706 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
707 * But not: DID_BUS_BUSY lest one risk
708 * killing interrupt handler:-(
709 */
710 sc->result = SAM_STAT_BUSY;
711 break;
712
713 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
714 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
715 sc->result = DID_BAD_TARGET << 16;
716 break;
717
718 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
719 /* Spoof to SCSI Selection Timeout! */
720 if (ioc->bus_type != FC)
721 sc->result = DID_NO_CONNECT << 16;
722 /* else fibre, just stall until rescan event */
723 else
724 sc->result = DID_REQUEUE << 16;
725
726 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
727 hd->sel_timeout[pScsiReq->TargetID]++;
728
729 vdevice = sc->device->hostdata;
730 if (!vdevice)
731 break;
732 vtarget = vdevice->vtarget;
733 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
734 mptscsih_issue_sep_command(ioc, vtarget,
735 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
736 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
737 }
738 break;
739
740 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
741 if ( ioc->bus_type == SAS ) {
742 u16 ioc_status =
743 le16_to_cpu(pScsiReply->IOCStatus);
744 if ((ioc_status &
745 MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
746 &&
747 ((log_info & SAS_LOGINFO_MASK) ==
748 SAS_LOGINFO_NEXUS_LOSS)) {
749 VirtDevice *vdevice =
750 sc->device->hostdata;
751
752 /* flag the device as being in
753 * device removal delay so we can
754 * notify the midlayer to hold off
755 * on timeout eh */
756 if (vdevice && vdevice->
757 vtarget &&
758 vdevice->vtarget->
759 raidVolume)
760 printk(KERN_INFO
761 "Skipping Raid Volume"
762 "for inDMD\n");
763 else if (vdevice &&
764 vdevice->vtarget)
765 vdevice->vtarget->
766 inDMD = 1;
767
768 sc->result =
769 (DID_TRANSPORT_DISRUPTED
770 << 16);
771 break;
772 }
773 } else if (ioc->bus_type == FC) {
774 /*
775 * The FC IOC may kill a request for variety of
776 * reasons, some of which may be recovered by a
777 * retry, some which are unlikely to be
778 * recovered. Return DID_ERROR instead of
779 * DID_RESET to permit retry of the command,
780 * just not an infinite number of them
781 */
782 sc->result = DID_ERROR << 16;
783 break;
784 }
785
786 /*
787 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
788 */
789
790 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
791 /* Linux handles an unsolicited DID_RESET better
792 * than an unsolicited DID_ABORT.
793 */
794 sc->result = DID_RESET << 16;
795
796 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
797 if (ioc->bus_type == FC)
798 sc->result = DID_ERROR << 16;
799 else
800 sc->result = DID_RESET << 16;
801 break;
802
803 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
804 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
805 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
806 sc->result=DID_SOFT_ERROR << 16;
807 else /* Sufficient data transfer occurred */
808 sc->result = (DID_OK << 16) | scsi_status;
809 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
810 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
811 ioc->name, sc->result, sc->device->channel, sc->device->id));
812 break;
813
814 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
815 /*
816 * Do upfront check for valid SenseData and give it
817 * precedence!
818 */
819 sc->result = (DID_OK << 16) | scsi_status;
820 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
821
822 /*
823 * For an Errata on LSI53C1030
824 * When the length of request data
825 * and transfer data are different
826 * with result of command (READ or VERIFY),
827 * DID_SOFT_ERROR is set.
828 */
829 if (ioc->bus_type == SPI) {
830 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
831 pScsiReq->CDB[0] == READ_10 ||
832 pScsiReq->CDB[0] == READ_12 ||
833 pScsiReq->CDB[0] == READ_16 ||
834 pScsiReq->CDB[0] == VERIFY ||
835 pScsiReq->CDB[0] == VERIFY_16) {
836 if (scsi_bufflen(sc) !=
837 xfer_cnt) {
838 sc->result =
839 DID_SOFT_ERROR << 16;
840 printk(KERN_WARNING "Errata"
841 "on LSI53C1030 occurred."
842 "sc->req_bufflen=0x%02x,"
843 "xfer_cnt=0x%02x\n",
844 scsi_bufflen(sc),
845 xfer_cnt);
846 }
847 }
848 }
849
850 if (xfer_cnt < sc->underflow) {
851 if (scsi_status == SAM_STAT_BUSY)
852 sc->result = SAM_STAT_BUSY;
853 else
854 sc->result = DID_SOFT_ERROR << 16;
855 }
856 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
857 /* What to do?
858 */
859 sc->result = DID_SOFT_ERROR << 16;
860 }
861 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
862 /* Not real sure here either... */
863 sc->result = DID_RESET << 16;
864 }
865 }
866
867
868 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
869 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
870 ioc->name, sc->underflow));
871 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
872 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
873
874 /* Report Queue Full
875 */
876 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
877 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
878
879 break;
880
881 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
882 scsi_set_resid(sc, 0);
883 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
884 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
885 sc->result = (DID_OK << 16) | scsi_status;
886 if (scsi_state == 0) {
887 ;
888 } else if (scsi_state &
889 MPI_SCSI_STATE_AUTOSENSE_VALID) {
890
891 /*
892 * For potential trouble on LSI53C1030.
893 * (date:2007.xx.)
894 * It is checked whether the length of
895 * request data is equal to
896 * the length of transfer and residual.
897 * MEDIUM_ERROR is set by incorrect data.
898 */
899 if ((ioc->bus_type == SPI) &&
900 (sc->sense_buffer[2] & 0x20)) {
901 u32 difftransfer;
902 difftransfer =
903 sc->sense_buffer[3] << 24 |
904 sc->sense_buffer[4] << 16 |
905 sc->sense_buffer[5] << 8 |
906 sc->sense_buffer[6];
907 if (((sc->sense_buffer[3] & 0x80) ==
908 0x80) && (scsi_bufflen(sc)
909 != xfer_cnt)) {
910 sc->sense_buffer[2] =
911 MEDIUM_ERROR;
912 sc->sense_buffer[12] = 0xff;
913 sc->sense_buffer[13] = 0xff;
914 printk(KERN_WARNING"Errata"
915 "on LSI53C1030 occurred."
916 "sc->req_bufflen=0x%02x,"
917 "xfer_cnt=0x%02x\n" ,
918 scsi_bufflen(sc),
919 xfer_cnt);
920 }
921 if (((sc->sense_buffer[3] & 0x80)
922 != 0x80) &&
923 (scsi_bufflen(sc) !=
924 xfer_cnt + difftransfer)) {
925 sc->sense_buffer[2] =
926 MEDIUM_ERROR;
927 sc->sense_buffer[12] = 0xff;
928 sc->sense_buffer[13] = 0xff;
929 printk(KERN_WARNING
930 "Errata on LSI53C1030 occurred"
931 "sc->req_bufflen=0x%02x,"
932 " xfer_cnt=0x%02x,"
933 "difftransfer=0x%02x\n",
934 scsi_bufflen(sc),
935 xfer_cnt,
936 difftransfer);
937 }
938 }
939
940 /*
941 * If running against circa 200003dd 909 MPT f/w,
942 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
943 * (QUEUE_FULL) returned from device! --> get 0x0000?128
944 * and with SenseBytes set to 0.
945 */
946 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
947 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
948
949 }
950 else if (scsi_state &
951 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
952 ) {
953 /*
954 * What to do?
955 */
956 sc->result = DID_SOFT_ERROR << 16;
957 }
958 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
959 /* Not real sure here either... */
960 sc->result = DID_RESET << 16;
961 }
962 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
963 /* Device Inq. data indicates that it supports
964 * QTags, but rejects QTag messages.
965 * This command completed OK.
966 *
967 * Not real sure here either so do nothing... */
968 }
969
970 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
971 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
972
973 /* Add handling of:
974 * Reservation Conflict, Busy,
975 * Command Terminated, CHECK
976 */
977 break;
978
979 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
980 sc->result = DID_SOFT_ERROR << 16;
981 break;
982
983 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
984 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
985 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
986 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
987 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
988 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
989 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
990 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
991 default:
992 /*
993 * What to do?
994 */
995 sc->result = DID_SOFT_ERROR << 16;
996 break;
997
998 } /* switch(status) */
999
1000#ifdef CONFIG_FUSION_LOGGING
1001 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
1002 mptscsih_info_scsiio(ioc, sc, pScsiReply);
1003#endif
1004
1005 } /* end of address reply case */
1006out:
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 */
1027static void
1028mptscsih_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 */
1073static void
1074mptscsih_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 */
1140static void
1141mptscsih_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 */
1168void
1169mptscsih_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 */
1212void
1213mptscsih_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 */
1224int
1225mptscsih_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 */
1241int
1242mptscsih_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 */
1263const char *
1264mptscsih_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
1284struct info_str {
1285 char *buffer;
1286 int length;
1287 int offset;
1288 int pos;
1289};
1290
1291static void
1292mptscsih_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
1313static int
1314mptscsih_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
1328static int
1329mptscsih_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 */
1359int
1360mptscsih_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 */
1396int
1397mptscsih_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 return SCSI_MLQUEUE_HOST_BUSY;
1420
1421 /*
1422 * Put together a MPT SCSI request...
1423 */
1424 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1425 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1426 ioc->name));
1427 return SCSI_MLQUEUE_HOST_BUSY;
1428 }
1429
1430 pScsiReq = (SCSIIORequest_t *) mf;
1431
1432 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1433
1434 ADD_INDEX_LOG(my_idx);
1435
1436 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1437 * Seems we may receive a buffer (datalen>0) even when there
1438 * will be no data transfer! GRRRRR...
1439 */
1440 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1441 datalen = scsi_bufflen(SCpnt);
1442 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1443 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1444 datalen = scsi_bufflen(SCpnt);
1445 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1446 } else {
1447 datalen = 0;
1448 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1449 }
1450
1451 /* Default to untagged. Once a target structure has been allocated,
1452 * use the Inquiry data to determine if device supports tagged.
1453 */
1454 if (vdevice
1455 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
1456 && (SCpnt->device->tagged_supported)) {
1457 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1458 if (SCpnt->request && SCpnt->request->ioprio) {
1459 if (((SCpnt->request->ioprio & 0x7) == 1) ||
1460 !(SCpnt->request->ioprio & 0x7))
1461 scsictl |= MPI_SCSIIO_CONTROL_HEADOFQ;
1462 }
1463 } else
1464 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1465
1466
1467 /* Use the above information to set up the message frame
1468 */
1469 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1470 pScsiReq->Bus = vdevice->vtarget->channel;
1471 pScsiReq->ChainOffset = 0;
1472 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1473 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1474 else
1475 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1476 pScsiReq->CDBLength = SCpnt->cmd_len;
1477 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1478 pScsiReq->Reserved = 0;
1479 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1480 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1481 pScsiReq->Control = cpu_to_le32(scsictl);
1482
1483 /*
1484 * Write SCSI CDB into the message
1485 */
1486 cmd_len = SCpnt->cmd_len;
1487 for (ii=0; ii < cmd_len; ii++)
1488 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1489
1490 for (ii=cmd_len; ii < 16; ii++)
1491 pScsiReq->CDB[ii] = 0;
1492
1493 /* DataLength */
1494 pScsiReq->DataLength = cpu_to_le32(datalen);
1495
1496 /* SenseBuffer low address */
1497 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1498 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1499
1500 /* Now add the SG list
1501 * Always have a SGE even if null length.
1502 */
1503 if (datalen == 0) {
1504 /* Add a NULL SGE */
1505 ioc->add_sge((char *)&pScsiReq->SGL,
1506 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1507 (dma_addr_t) -1);
1508 } else {
1509 /* Add a 32 or 64 bit SGE */
1510 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1511 goto fail;
1512 }
1513
1514 SCpnt->host_scribble = (unsigned char *)mf;
1515 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1516
1517 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1518 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1519 ioc->name, SCpnt, mf, my_idx));
1520 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1521 return 0;
1522
1523 fail:
1524 mptscsih_freeChainBuffers(ioc, my_idx);
1525 mpt_free_msg_frame(ioc, mf);
1526 return SCSI_MLQUEUE_HOST_BUSY;
1527}
1528
1529/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1530/*
1531 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1532 * with a SCSI IO request
1533 * @hd: Pointer to the MPT_SCSI_HOST instance
1534 * @req_idx: Index of the SCSI IO request frame.
1535 *
1536 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1537 * No return.
1538 */
1539static void
1540mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1541{
1542 MPT_FRAME_HDR *chain;
1543 unsigned long flags;
1544 int chain_idx;
1545 int next;
1546
1547 /* Get the first chain index and reset
1548 * tracker state.
1549 */
1550 chain_idx = ioc->ReqToChain[req_idx];
1551 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1552
1553 while (chain_idx != MPT_HOST_NO_CHAIN) {
1554
1555 /* Save the next chain buffer index */
1556 next = ioc->ChainToChain[chain_idx];
1557
1558 /* Free this chain buffer and reset
1559 * tracker
1560 */
1561 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1562
1563 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1564 + (chain_idx * ioc->req_sz));
1565
1566 spin_lock_irqsave(&ioc->FreeQlock, flags);
1567 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1568 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1569
1570 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1571 ioc->name, chain_idx));
1572
1573 /* handle next */
1574 chain_idx = next;
1575 }
1576 return;
1577}
1578
1579/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1580/*
1581 * Reset Handling
1582 */
1583
1584/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1585/**
1586 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1587 * @hd: Pointer to MPT_SCSI_HOST structure
1588 * @type: Task Management type
1589 * @channel: channel number for task management
1590 * @id: Logical Target ID for reset (if appropriate)
1591 * @lun: Logical Unit for reset (if appropriate)
1592 * @ctx2abort: Context for the task to be aborted (if appropriate)
1593 * @timeout: timeout for task management control
1594 *
1595 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1596 * or a non-interrupt thread. In the former, must not call schedule().
1597 *
1598 * Not all fields are meaningfull for all task types.
1599 *
1600 * Returns 0 for SUCCESS, or FAILED.
1601 *
1602 **/
1603int
1604mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun,
1605 int ctx2abort, ulong timeout)
1606{
1607 MPT_FRAME_HDR *mf;
1608 SCSITaskMgmt_t *pScsiTm;
1609 int ii;
1610 int retval;
1611 MPT_ADAPTER *ioc = hd->ioc;
1612 unsigned long timeleft;
1613 u8 issue_hard_reset;
1614 u32 ioc_raw_state;
1615 unsigned long time_count;
1616
1617 issue_hard_reset = 0;
1618 ioc_raw_state = mpt_GetIocState(ioc, 0);
1619
1620 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1621 printk(MYIOC_s_WARN_FMT
1622 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1623 ioc->name, type, ioc_raw_state);
1624 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1625 ioc->name, __func__);
1626 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1627 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1628 "FAILED!!\n", ioc->name);
1629 return 0;
1630 }
1631
1632 if (ioc_raw_state & MPI_DOORBELL_ACTIVE) {
1633 printk(MYIOC_s_WARN_FMT
1634 "TaskMgmt type=%x: ioc_state: "
1635 "DOORBELL_ACTIVE (0x%x)!\n",
1636 ioc->name, type, ioc_raw_state);
1637 return FAILED;
1638 }
1639
1640 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1641 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1642 mf = NULL;
1643 retval = FAILED;
1644 goto out;
1645 }
1646
1647 /* Return Fail to calling function if no message frames available.
1648 */
1649 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1650 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1651 "TaskMgmt no msg frames!!\n", ioc->name));
1652 retval = FAILED;
1653 mpt_clear_taskmgmt_in_progress_flag(ioc);
1654 goto out;
1655 }
1656 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1657 ioc->name, mf));
1658
1659 /* Format the Request
1660 */
1661 pScsiTm = (SCSITaskMgmt_t *) mf;
1662 pScsiTm->TargetID = id;
1663 pScsiTm->Bus = channel;
1664 pScsiTm->ChainOffset = 0;
1665 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1666
1667 pScsiTm->Reserved = 0;
1668 pScsiTm->TaskType = type;
1669 pScsiTm->Reserved1 = 0;
1670 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1671 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1672
1673 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1674
1675 for (ii=0; ii < 7; ii++)
1676 pScsiTm->Reserved2[ii] = 0;
1677
1678 pScsiTm->TaskMsgContext = ctx2abort;
1679
1680 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1681 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1682 type, timeout));
1683
1684 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1685
1686 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1687 time_count = jiffies;
1688 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1689 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1690 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1691 else {
1692 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1693 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1694 if (retval) {
1695 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1696 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1697 ioc->name, mf, retval));
1698 mpt_free_msg_frame(ioc, mf);
1699 mpt_clear_taskmgmt_in_progress_flag(ioc);
1700 goto out;
1701 }
1702 }
1703
1704 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1705 timeout*HZ);
1706 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1707 retval = FAILED;
1708 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1709 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1710 mpt_clear_taskmgmt_in_progress_flag(ioc);
1711 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1712 goto out;
1713 issue_hard_reset = 1;
1714 goto out;
1715 }
1716
1717 retval = mptscsih_taskmgmt_reply(ioc, type,
1718 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1719
1720 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1721 "TaskMgmt completed (%d seconds)\n",
1722 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1723
1724 out:
1725
1726 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1727 if (issue_hard_reset) {
1728 printk(MYIOC_s_WARN_FMT
1729 "Issuing Reset from %s!! doorbell=0x%08x\n",
1730 ioc->name, __func__, mpt_GetIocState(ioc, 0));
1731 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1732 mpt_free_msg_frame(ioc, mf);
1733 }
1734
1735 retval = (retval == 0) ? 0 : FAILED;
1736 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1737 return retval;
1738}
1739EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1740
1741static int
1742mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1743{
1744 switch (ioc->bus_type) {
1745 case FC:
1746 return 40;
1747 case SAS:
1748 return 30;
1749 case SPI:
1750 default:
1751 return 10;
1752 }
1753}
1754
1755/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1756/**
1757 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1758 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1759 *
1760 * (linux scsi_host_template.eh_abort_handler routine)
1761 *
1762 * Returns SUCCESS or FAILED.
1763 **/
1764int
1765mptscsih_abort(struct scsi_cmnd * SCpnt)
1766{
1767 MPT_SCSI_HOST *hd;
1768 MPT_FRAME_HDR *mf;
1769 u32 ctx2abort;
1770 int scpnt_idx;
1771 int retval;
1772 VirtDevice *vdevice;
1773 MPT_ADAPTER *ioc;
1774
1775 /* If we can't locate our host adapter structure, return FAILED status.
1776 */
1777 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1778 SCpnt->result = DID_RESET << 16;
1779 SCpnt->scsi_done(SCpnt);
1780 printk(KERN_ERR MYNAM ": task abort: "
1781 "can't locate host! (sc=%p)\n", SCpnt);
1782 return FAILED;
1783 }
1784
1785 ioc = hd->ioc;
1786 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1787 ioc->name, SCpnt);
1788 scsi_print_command(SCpnt);
1789
1790 vdevice = SCpnt->device->hostdata;
1791 if (!vdevice || !vdevice->vtarget) {
1792 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1793 "task abort: device has been deleted (sc=%p)\n",
1794 ioc->name, SCpnt));
1795 SCpnt->result = DID_NO_CONNECT << 16;
1796 SCpnt->scsi_done(SCpnt);
1797 retval = SUCCESS;
1798 goto out;
1799 }
1800
1801 /* Task aborts are not supported for hidden raid components.
1802 */
1803 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1804 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1805 "task abort: hidden raid component (sc=%p)\n",
1806 ioc->name, SCpnt));
1807 SCpnt->result = DID_RESET << 16;
1808 retval = FAILED;
1809 goto out;
1810 }
1811
1812 /* Task aborts are not supported for volumes.
1813 */
1814 if (vdevice->vtarget->raidVolume) {
1815 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1816 "task abort: raid volume (sc=%p)\n",
1817 ioc->name, SCpnt));
1818 SCpnt->result = DID_RESET << 16;
1819 retval = FAILED;
1820 goto out;
1821 }
1822
1823 /* Find this command
1824 */
1825 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1826 /* Cmd not found in ScsiLookup.
1827 * Do OS callback.
1828 */
1829 SCpnt->result = DID_RESET << 16;
1830 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1831 "Command not in the active list! (sc=%p)\n", ioc->name,
1832 SCpnt));
1833 retval = SUCCESS;
1834 goto out;
1835 }
1836
1837 if (ioc->timeouts < -1)
1838 ioc->timeouts++;
1839
1840 if (mpt_fwfault_debug)
1841 mpt_halt_firmware(ioc);
1842
1843 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1844 * (the IO to be ABORT'd)
1845 *
1846 * NOTE: Since we do not byteswap MsgContext, we do not
1847 * swap it here either. It is an opaque cookie to
1848 * the controller, so it does not matter. -DaveM
1849 */
1850 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1851 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1852 retval = mptscsih_IssueTaskMgmt(hd,
1853 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1854 vdevice->vtarget->channel,
1855 vdevice->vtarget->id, vdevice->lun,
1856 ctx2abort, mptscsih_get_tm_timeout(ioc));
1857
1858 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
1859 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1860 "task abort: command still in active list! (sc=%p)\n",
1861 ioc->name, SCpnt));
1862 retval = FAILED;
1863 } else {
1864 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1865 "task abort: command cleared from active list! (sc=%p)\n",
1866 ioc->name, SCpnt));
1867 retval = SUCCESS;
1868 }
1869
1870 out:
1871 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
1872 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1873 SCpnt);
1874
1875 return retval;
1876}
1877
1878/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1879/**
1880 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1881 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1882 *
1883 * (linux scsi_host_template.eh_dev_reset_handler routine)
1884 *
1885 * Returns SUCCESS or FAILED.
1886 **/
1887int
1888mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1889{
1890 MPT_SCSI_HOST *hd;
1891 int retval;
1892 VirtDevice *vdevice;
1893 MPT_ADAPTER *ioc;
1894
1895 /* If we can't locate our host adapter structure, return FAILED status.
1896 */
1897 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1898 printk(KERN_ERR MYNAM ": target reset: "
1899 "Can't locate host! (sc=%p)\n", SCpnt);
1900 return FAILED;
1901 }
1902
1903 ioc = hd->ioc;
1904 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1905 ioc->name, SCpnt);
1906 scsi_print_command(SCpnt);
1907
1908 vdevice = SCpnt->device->hostdata;
1909 if (!vdevice || !vdevice->vtarget) {
1910 retval = 0;
1911 goto out;
1912 }
1913
1914 /* Target reset to hidden raid component is not supported
1915 */
1916 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1917 retval = FAILED;
1918 goto out;
1919 }
1920
1921 retval = mptscsih_IssueTaskMgmt(hd,
1922 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1923 vdevice->vtarget->channel,
1924 vdevice->vtarget->id, 0, 0,
1925 mptscsih_get_tm_timeout(ioc));
1926
1927 out:
1928 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1929 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1930
1931 if (retval == 0)
1932 return SUCCESS;
1933 else
1934 return FAILED;
1935}
1936
1937
1938/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1939/**
1940 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1941 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1942 *
1943 * (linux scsi_host_template.eh_bus_reset_handler routine)
1944 *
1945 * Returns SUCCESS or FAILED.
1946 **/
1947int
1948mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1949{
1950 MPT_SCSI_HOST *hd;
1951 int retval;
1952 VirtDevice *vdevice;
1953 MPT_ADAPTER *ioc;
1954
1955 /* If we can't locate our host adapter structure, return FAILED status.
1956 */
1957 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1958 printk(KERN_ERR MYNAM ": bus reset: "
1959 "Can't locate host! (sc=%p)\n", SCpnt);
1960 return FAILED;
1961 }
1962
1963 ioc = hd->ioc;
1964 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1965 ioc->name, SCpnt);
1966 scsi_print_command(SCpnt);
1967
1968 if (ioc->timeouts < -1)
1969 ioc->timeouts++;
1970
1971 vdevice = SCpnt->device->hostdata;
1972 if (!vdevice || !vdevice->vtarget)
1973 return SUCCESS;
1974 retval = mptscsih_IssueTaskMgmt(hd,
1975 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1976 vdevice->vtarget->channel, 0, 0, 0,
1977 mptscsih_get_tm_timeout(ioc));
1978
1979 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1980 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1981
1982 if (retval == 0)
1983 return SUCCESS;
1984 else
1985 return FAILED;
1986}
1987
1988/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1989/**
1990 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1991 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1992 *
1993 * (linux scsi_host_template.eh_host_reset_handler routine)
1994 *
1995 * Returns SUCCESS or FAILED.
1996 */
1997int
1998mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1999{
2000 MPT_SCSI_HOST * hd;
2001 int status = SUCCESS;
2002 MPT_ADAPTER *ioc;
2003 int retval;
2004
2005 /* If we can't locate the host to reset, then we failed. */
2006 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
2007 printk(KERN_ERR MYNAM ": host reset: "
2008 "Can't locate host! (sc=%p)\n", SCpnt);
2009 return FAILED;
2010 }
2011
2012 /* make sure we have no outstanding commands at this stage */
2013 mptscsih_flush_running_cmds(hd);
2014
2015 ioc = hd->ioc;
2016 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
2017 ioc->name, SCpnt);
2018
2019 /* If our attempts to reset the host failed, then return a failed
2020 * status. The host will be taken off line by the SCSI mid-layer.
2021 */
2022 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2023 if (retval < 0)
2024 status = FAILED;
2025 else
2026 status = SUCCESS;
2027
2028 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
2029 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
2030
2031 return status;
2032}
2033
2034static int
2035mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
2036 SCSITaskMgmtReply_t *pScsiTmReply)
2037{
2038 u16 iocstatus;
2039 u32 termination_count;
2040 int retval;
2041
2042 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
2043 retval = FAILED;
2044 goto out;
2045 }
2046
2047 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
2048
2049 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2050 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
2051
2052 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2053 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
2054 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
2055 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
2056 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
2057 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
2058 termination_count));
2059
2060 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
2061 pScsiTmReply->ResponseCode)
2062 mptscsih_taskmgmt_response_code(ioc,
2063 pScsiTmReply->ResponseCode);
2064
2065 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
2066 retval = 0;
2067 goto out;
2068 }
2069
2070 retval = FAILED;
2071 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
2072 if (termination_count == 1)
2073 retval = 0;
2074 goto out;
2075 }
2076
2077 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
2078 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2079 retval = 0;
2080
2081 out:
2082 return retval;
2083}
2084
2085/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2086void
2087mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2088{
2089 char *desc;
2090
2091 switch (response_code) {
2092 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2093 desc = "The task completed.";
2094 break;
2095 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2096 desc = "The IOC received an invalid frame status.";
2097 break;
2098 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2099 desc = "The task type is not supported.";
2100 break;
2101 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2102 desc = "The requested task failed.";
2103 break;
2104 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2105 desc = "The task completed successfully.";
2106 break;
2107 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2108 desc = "The LUN request is invalid.";
2109 break;
2110 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2111 desc = "The task is in the IOC queue and has not been sent to target.";
2112 break;
2113 default:
2114 desc = "unknown";
2115 break;
2116 }
2117 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2118 ioc->name, response_code, desc);
2119}
2120EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2121
2122/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2123/**
2124 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2125 * @ioc: Pointer to MPT_ADAPTER structure
2126 * @mf: Pointer to SCSI task mgmt request frame
2127 * @mr: Pointer to SCSI task mgmt reply frame
2128 *
2129 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2130 * of any SCSI task management request.
2131 * This routine is registered with the MPT (base) driver at driver
2132 * load/init time via the mpt_register() API call.
2133 *
2134 * Returns 1 indicating alloc'd request frame ptr should be freed.
2135 **/
2136int
2137mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2138 MPT_FRAME_HDR *mr)
2139{
2140 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2141 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2142
2143 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2144
2145 if (!mr)
2146 goto out;
2147
2148 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2149 memcpy(ioc->taskmgmt_cmds.reply, mr,
2150 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2151 out:
2152 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2153 mpt_clear_taskmgmt_in_progress_flag(ioc);
2154 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2155 complete(&ioc->taskmgmt_cmds.done);
2156 if (ioc->bus_type == SAS)
2157 ioc->schedule_target_reset(ioc);
2158 return 1;
2159 }
2160 return 0;
2161}
2162
2163/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2164/*
2165 * This is anyones guess quite frankly.
2166 */
2167int
2168mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2169 sector_t capacity, int geom[])
2170{
2171 int heads;
2172 int sectors;
2173 sector_t cylinders;
2174 ulong dummy;
2175
2176 heads = 64;
2177 sectors = 32;
2178
2179 dummy = heads * sectors;
2180 cylinders = capacity;
2181 sector_div(cylinders,dummy);
2182
2183 /*
2184 * Handle extended translation size for logical drives
2185 * > 1Gb
2186 */
2187 if ((ulong)capacity >= 0x200000) {
2188 heads = 255;
2189 sectors = 63;
2190 dummy = heads * sectors;
2191 cylinders = capacity;
2192 sector_div(cylinders,dummy);
2193 }
2194
2195 /* return result */
2196 geom[0] = heads;
2197 geom[1] = sectors;
2198 geom[2] = cylinders;
2199
2200 return 0;
2201}
2202
2203/* Search IOC page 3 to determine if this is hidden physical disk
2204 *
2205 */
2206int
2207mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2208{
2209 struct inactive_raid_component_info *component_info;
2210 int i, j;
2211 RaidPhysDiskPage1_t *phys_disk;
2212 int rc = 0;
2213 int num_paths;
2214
2215 if (!ioc->raid_data.pIocPg3)
2216 goto out;
2217 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2218 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2219 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2220 rc = 1;
2221 goto out;
2222 }
2223 }
2224
2225 if (ioc->bus_type != SAS)
2226 goto out;
2227
2228 /*
2229 * Check if dual path
2230 */
2231 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2232 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2233 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2234 if (num_paths < 2)
2235 continue;
2236 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2237 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2238 if (!phys_disk)
2239 continue;
2240 if ((mpt_raid_phys_disk_pg1(ioc,
2241 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2242 phys_disk))) {
2243 kfree(phys_disk);
2244 continue;
2245 }
2246 for (j = 0; j < num_paths; j++) {
2247 if ((phys_disk->Path[j].Flags &
2248 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2249 continue;
2250 if ((phys_disk->Path[j].Flags &
2251 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2252 continue;
2253 if ((id == phys_disk->Path[j].PhysDiskID) &&
2254 (channel == phys_disk->Path[j].PhysDiskBus)) {
2255 rc = 1;
2256 kfree(phys_disk);
2257 goto out;
2258 }
2259 }
2260 kfree(phys_disk);
2261 }
2262
2263
2264 /*
2265 * Check inactive list for matching phys disks
2266 */
2267 if (list_empty(&ioc->raid_data.inactive_list))
2268 goto out;
2269
2270 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2271 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2272 list) {
2273 if ((component_info->d.PhysDiskID == id) &&
2274 (component_info->d.PhysDiskBus == channel))
2275 rc = 1;
2276 }
2277 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2278
2279 out:
2280 return rc;
2281}
2282EXPORT_SYMBOL(mptscsih_is_phys_disk);
2283
2284u8
2285mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2286{
2287 struct inactive_raid_component_info *component_info;
2288 int i, j;
2289 RaidPhysDiskPage1_t *phys_disk;
2290 int rc = -ENXIO;
2291 int num_paths;
2292
2293 if (!ioc->raid_data.pIocPg3)
2294 goto out;
2295 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2296 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2297 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2298 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2299 goto out;
2300 }
2301 }
2302
2303 if (ioc->bus_type != SAS)
2304 goto out;
2305
2306 /*
2307 * Check if dual path
2308 */
2309 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2310 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2311 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2312 if (num_paths < 2)
2313 continue;
2314 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2315 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2316 if (!phys_disk)
2317 continue;
2318 if ((mpt_raid_phys_disk_pg1(ioc,
2319 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2320 phys_disk))) {
2321 kfree(phys_disk);
2322 continue;
2323 }
2324 for (j = 0; j < num_paths; j++) {
2325 if ((phys_disk->Path[j].Flags &
2326 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2327 continue;
2328 if ((phys_disk->Path[j].Flags &
2329 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2330 continue;
2331 if ((id == phys_disk->Path[j].PhysDiskID) &&
2332 (channel == phys_disk->Path[j].PhysDiskBus)) {
2333 rc = phys_disk->PhysDiskNum;
2334 kfree(phys_disk);
2335 goto out;
2336 }
2337 }
2338 kfree(phys_disk);
2339 }
2340
2341 /*
2342 * Check inactive list for matching phys disks
2343 */
2344 if (list_empty(&ioc->raid_data.inactive_list))
2345 goto out;
2346
2347 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2348 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2349 list) {
2350 if ((component_info->d.PhysDiskID == id) &&
2351 (component_info->d.PhysDiskBus == channel))
2352 rc = component_info->d.PhysDiskNum;
2353 }
2354 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2355
2356 out:
2357 return rc;
2358}
2359EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2360
2361/*
2362 * OS entry point to allow for host driver to free allocated memory
2363 * Called if no device present or device being unloaded
2364 */
2365void
2366mptscsih_slave_destroy(struct scsi_device *sdev)
2367{
2368 struct Scsi_Host *host = sdev->host;
2369 MPT_SCSI_HOST *hd = shost_priv(host);
2370 VirtTarget *vtarget;
2371 VirtDevice *vdevice;
2372 struct scsi_target *starget;
2373
2374 starget = scsi_target(sdev);
2375 vtarget = starget->hostdata;
2376 vdevice = sdev->hostdata;
2377 if (!vdevice)
2378 return;
2379
2380 mptscsih_search_running_cmds(hd, vdevice);
2381 vtarget->num_luns--;
2382 mptscsih_synchronize_cache(hd, vdevice);
2383 kfree(vdevice);
2384 sdev->hostdata = NULL;
2385}
2386
2387/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2388/*
2389 * mptscsih_change_queue_depth - This function will set a devices queue depth
2390 * @sdev: per scsi_device pointer
2391 * @qdepth: requested queue depth
2392 * @reason: calling context
2393 *
2394 * Adding support for new 'change_queue_depth' api.
2395*/
2396int
2397mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
2398{
2399 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2400 VirtTarget *vtarget;
2401 struct scsi_target *starget;
2402 int max_depth;
2403 int tagged;
2404 MPT_ADAPTER *ioc = hd->ioc;
2405
2406 starget = scsi_target(sdev);
2407 vtarget = starget->hostdata;
2408
2409 if (reason != SCSI_QDEPTH_DEFAULT)
2410 return -EOPNOTSUPP;
2411
2412 if (ioc->bus_type == SPI) {
2413 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2414 max_depth = 1;
2415 else if (sdev->type == TYPE_DISK &&
2416 vtarget->minSyncFactor <= MPT_ULTRA160)
2417 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2418 else
2419 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2420 } else
2421 max_depth = ioc->sh->can_queue;
2422
2423 if (!sdev->tagged_supported)
2424 max_depth = 1;
2425
2426 if (qdepth > max_depth)
2427 qdepth = max_depth;
2428 if (qdepth == 1)
2429 tagged = 0;
2430 else
2431 tagged = MSG_SIMPLE_TAG;
2432
2433 scsi_adjust_queue_depth(sdev, tagged, qdepth);
2434 return sdev->queue_depth;
2435}
2436
2437/*
2438 * OS entry point to adjust the queue_depths on a per-device basis.
2439 * Called once per device the bus scan. Use it to force the queue_depth
2440 * member to 1 if a device does not support Q tags.
2441 * Return non-zero if fails.
2442 */
2443int
2444mptscsih_slave_configure(struct scsi_device *sdev)
2445{
2446 struct Scsi_Host *sh = sdev->host;
2447 VirtTarget *vtarget;
2448 VirtDevice *vdevice;
2449 struct scsi_target *starget;
2450 MPT_SCSI_HOST *hd = shost_priv(sh);
2451 MPT_ADAPTER *ioc = hd->ioc;
2452
2453 starget = scsi_target(sdev);
2454 vtarget = starget->hostdata;
2455 vdevice = sdev->hostdata;
2456
2457 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2458 "device @ %p, channel=%d, id=%d, lun=%d\n",
2459 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2460 if (ioc->bus_type == SPI)
2461 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2462 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2463 ioc->name, sdev->sdtr, sdev->wdtr,
2464 sdev->ppr, sdev->inquiry_len));
2465
2466 vdevice->configured_lun = 1;
2467
2468 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2469 "Queue depth=%d, tflags=%x\n",
2470 ioc->name, sdev->queue_depth, vtarget->tflags));
2471
2472 if (ioc->bus_type == SPI)
2473 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2474 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2475 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2476 vtarget->minSyncFactor));
2477
2478 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH,
2479 SCSI_QDEPTH_DEFAULT);
2480 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2481 "tagged %d, simple %d, ordered %d\n",
2482 ioc->name,sdev->tagged_supported, sdev->simple_tags,
2483 sdev->ordered_tags));
2484
2485 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2486
2487 return 0;
2488}
2489
2490/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2491/*
2492 * Private routines...
2493 */
2494
2495/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2496/* Utility function to copy sense data from the scsi_cmnd buffer
2497 * to the FC and SCSI target structures.
2498 *
2499 */
2500static void
2501mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2502{
2503 VirtDevice *vdevice;
2504 SCSIIORequest_t *pReq;
2505 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2506 MPT_ADAPTER *ioc = hd->ioc;
2507
2508 /* Get target structure
2509 */
2510 pReq = (SCSIIORequest_t *) mf;
2511 vdevice = sc->device->hostdata;
2512
2513 if (sense_count) {
2514 u8 *sense_data;
2515 int req_index;
2516
2517 /* Copy the sense received into the scsi command block. */
2518 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2519 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2520 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2521
2522 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2523 */
2524 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2525 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2526 int idx;
2527
2528 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2529 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2530 ioc->events[idx].eventContext = ioc->eventContext;
2531
2532 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2533 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2534 (sc->device->channel << 8) | sc->device->id;
2535
2536 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2537
2538 ioc->eventContext++;
2539 if (ioc->pcidev->vendor ==
2540 PCI_VENDOR_ID_IBM) {
2541 mptscsih_issue_sep_command(ioc,
2542 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2543 vdevice->vtarget->tflags |=
2544 MPT_TARGET_FLAGS_LED_ON;
2545 }
2546 }
2547 }
2548 } else {
2549 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2550 ioc->name));
2551 }
2552}
2553
2554/**
2555 * mptscsih_get_scsi_lookup - retrieves scmd entry
2556 * @ioc: Pointer to MPT_ADAPTER structure
2557 * @i: index into the array
2558 *
2559 * Returns the scsi_cmd pointer
2560 */
2561struct scsi_cmnd *
2562mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2563{
2564 unsigned long flags;
2565 struct scsi_cmnd *scmd;
2566
2567 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2568 scmd = ioc->ScsiLookup[i];
2569 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2570
2571 return scmd;
2572}
2573EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2574
2575/**
2576 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2577 * @ioc: Pointer to MPT_ADAPTER structure
2578 * @i: index into the array
2579 *
2580 * Returns the scsi_cmd pointer
2581 *
2582 **/
2583static struct scsi_cmnd *
2584mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2585{
2586 unsigned long flags;
2587 struct scsi_cmnd *scmd;
2588
2589 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2590 scmd = ioc->ScsiLookup[i];
2591 ioc->ScsiLookup[i] = NULL;
2592 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2593
2594 return scmd;
2595}
2596
2597/**
2598 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
2599 *
2600 * @ioc: Pointer to MPT_ADAPTER structure
2601 * @i: index into the array
2602 * @scmd: scsi_cmnd pointer
2603 *
2604 **/
2605static void
2606mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2607{
2608 unsigned long flags;
2609
2610 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2611 ioc->ScsiLookup[i] = scmd;
2612 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2613}
2614
2615/**
2616 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2617 * @ioc: Pointer to MPT_ADAPTER structure
2618 * @sc: scsi_cmnd pointer
2619 */
2620static int
2621SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2622{
2623 unsigned long flags;
2624 int i, index=-1;
2625
2626 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2627 for (i = 0; i < ioc->req_depth; i++) {
2628 if (ioc->ScsiLookup[i] == sc) {
2629 index = i;
2630 goto out;
2631 }
2632 }
2633
2634 out:
2635 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2636 return index;
2637}
2638
2639/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2640int
2641mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2642{
2643 MPT_SCSI_HOST *hd;
2644
2645 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2646 return 0;
2647
2648 hd = shost_priv(ioc->sh);
2649 switch (reset_phase) {
2650 case MPT_IOC_SETUP_RESET:
2651 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2652 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2653 break;
2654 case MPT_IOC_PRE_RESET:
2655 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2656 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2657 mptscsih_flush_running_cmds(hd);
2658 break;
2659 case MPT_IOC_POST_RESET:
2660 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2661 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2662 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2663 ioc->internal_cmds.status |=
2664 MPT_MGMT_STATUS_DID_IOCRESET;
2665 complete(&ioc->internal_cmds.done);
2666 }
2667 break;
2668 default:
2669 break;
2670 }
2671 return 1; /* currently means nothing really */
2672}
2673
2674/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2675int
2676mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2677{
2678 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2679
2680 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2681 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2682 ioc->name, event));
2683
2684 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2685 event == MPI_EVENT_EXT_BUS_RESET) &&
2686 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2687 ioc->soft_resets++;
2688
2689 return 1; /* currently means nothing really */
2690}
2691
2692/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2693/*
2694 * Bus Scan and Domain Validation functionality ...
2695 */
2696
2697/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2698/*
2699 * mptscsih_scandv_complete - Scan and DV callback routine registered
2700 * to Fustion MPT (base) driver.
2701 *
2702 * @ioc: Pointer to MPT_ADAPTER structure
2703 * @mf: Pointer to original MPT request frame
2704 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2705 *
2706 * This routine is called from mpt.c::mpt_interrupt() at the completion
2707 * of any SCSI IO request.
2708 * This routine is registered with the Fusion MPT (base) driver at driver
2709 * load/init time via the mpt_register() API call.
2710 *
2711 * Returns 1 indicating alloc'd request frame ptr should be freed.
2712 *
2713 * Remark: Sets a completion code and (possibly) saves sense data
2714 * in the IOC member localReply structure.
2715 * Used ONLY for DV and other internal commands.
2716 */
2717int
2718mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2719 MPT_FRAME_HDR *reply)
2720{
2721 SCSIIORequest_t *pReq;
2722 SCSIIOReply_t *pReply;
2723 u8 cmd;
2724 u16 req_idx;
2725 u8 *sense_data;
2726 int sz;
2727
2728 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2729 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2730 if (!reply)
2731 goto out;
2732
2733 pReply = (SCSIIOReply_t *) reply;
2734 pReq = (SCSIIORequest_t *) req;
2735 ioc->internal_cmds.completion_code =
2736 mptscsih_get_completion_code(ioc, req, reply);
2737 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2738 memcpy(ioc->internal_cmds.reply, reply,
2739 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2740 cmd = reply->u.hdr.Function;
2741 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2742 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2743 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2744 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2745 sense_data = ((u8 *)ioc->sense_buf_pool +
2746 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2747 sz = min_t(int, pReq->SenseBufferLength,
2748 MPT_SENSE_BUFFER_ALLOC);
2749 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2750 }
2751 out:
2752 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2753 return 0;
2754 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2755 complete(&ioc->internal_cmds.done);
2756 return 1;
2757}
2758
2759
2760/**
2761 * mptscsih_get_completion_code - get completion code from MPT request
2762 * @ioc: Pointer to MPT_ADAPTER structure
2763 * @req: Pointer to original MPT request frame
2764 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
2765 *
2766 **/
2767static int
2768mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2769 MPT_FRAME_HDR *reply)
2770{
2771 SCSIIOReply_t *pReply;
2772 MpiRaidActionReply_t *pr;
2773 u8 scsi_status;
2774 u16 status;
2775 int completion_code;
2776
2777 pReply = (SCSIIOReply_t *)reply;
2778 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2779 scsi_status = pReply->SCSIStatus;
2780
2781 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2782 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2783 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2784 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2785
2786 switch (status) {
2787
2788 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2789 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2790 break;
2791
2792 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2793 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2794 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2795 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2796 completion_code = MPT_SCANDV_DID_RESET;
2797 break;
2798
2799 case MPI_IOCSTATUS_BUSY:
2800 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2801 completion_code = MPT_SCANDV_BUSY;
2802 break;
2803
2804 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2805 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2806 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2807 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2808 completion_code = MPT_SCANDV_GOOD;
2809 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2810 pr = (MpiRaidActionReply_t *)reply;
2811 if (le16_to_cpu(pr->ActionStatus) ==
2812 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2813 completion_code = MPT_SCANDV_GOOD;
2814 else
2815 completion_code = MPT_SCANDV_SOME_ERROR;
2816 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2817 completion_code = MPT_SCANDV_SENSE;
2818 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2819 if (req->u.scsireq.CDB[0] == INQUIRY)
2820 completion_code = MPT_SCANDV_ISSUE_SENSE;
2821 else
2822 completion_code = MPT_SCANDV_DID_RESET;
2823 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2824 completion_code = MPT_SCANDV_DID_RESET;
2825 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2826 completion_code = MPT_SCANDV_DID_RESET;
2827 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2828 completion_code = MPT_SCANDV_BUSY;
2829 else
2830 completion_code = MPT_SCANDV_GOOD;
2831 break;
2832
2833 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2834 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2835 completion_code = MPT_SCANDV_DID_RESET;
2836 else
2837 completion_code = MPT_SCANDV_SOME_ERROR;
2838 break;
2839 default:
2840 completion_code = MPT_SCANDV_SOME_ERROR;
2841 break;
2842
2843 } /* switch(status) */
2844
2845 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2846 " completionCode set to %08xh\n", ioc->name, completion_code));
2847 return completion_code;
2848}
2849
2850/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2851/**
2852 * mptscsih_do_cmd - Do internal command.
2853 * @hd: MPT_SCSI_HOST pointer
2854 * @io: INTERNAL_CMD pointer.
2855 *
2856 * Issue the specified internally generated command and do command
2857 * specific cleanup. For bus scan / DV only.
2858 * NOTES: If command is Inquiry and status is good,
2859 * initialize a target structure, save the data
2860 *
2861 * Remark: Single threaded access only.
2862 *
2863 * Return:
2864 * < 0 if an illegal command or no resources
2865 *
2866 * 0 if good
2867 *
2868 * > 0 if command complete but some type of completion error.
2869 */
2870static int
2871mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2872{
2873 MPT_FRAME_HDR *mf;
2874 SCSIIORequest_t *pScsiReq;
2875 int my_idx, ii, dir;
2876 int timeout;
2877 char cmdLen;
2878 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2879 u8 cmd = io->cmd;
2880 MPT_ADAPTER *ioc = hd->ioc;
2881 int ret = 0;
2882 unsigned long timeleft;
2883 unsigned long flags;
2884
2885 /* don't send internal command during diag reset */
2886 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2887 if (ioc->ioc_reset_in_progress) {
2888 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2889 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2890 "%s: busy with host reset\n", ioc->name, __func__));
2891 return MPT_SCANDV_BUSY;
2892 }
2893 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2894
2895 mutex_lock(&ioc->internal_cmds.mutex);
2896
2897 /* Set command specific information
2898 */
2899 switch (cmd) {
2900 case INQUIRY:
2901 cmdLen = 6;
2902 dir = MPI_SCSIIO_CONTROL_READ;
2903 CDB[0] = cmd;
2904 CDB[4] = io->size;
2905 timeout = 10;
2906 break;
2907
2908 case TEST_UNIT_READY:
2909 cmdLen = 6;
2910 dir = MPI_SCSIIO_CONTROL_READ;
2911 timeout = 10;
2912 break;
2913
2914 case START_STOP:
2915 cmdLen = 6;
2916 dir = MPI_SCSIIO_CONTROL_READ;
2917 CDB[0] = cmd;
2918 CDB[4] = 1; /*Spin up the disk */
2919 timeout = 15;
2920 break;
2921
2922 case REQUEST_SENSE:
2923 cmdLen = 6;
2924 CDB[0] = cmd;
2925 CDB[4] = io->size;
2926 dir = MPI_SCSIIO_CONTROL_READ;
2927 timeout = 10;
2928 break;
2929
2930 case READ_BUFFER:
2931 cmdLen = 10;
2932 dir = MPI_SCSIIO_CONTROL_READ;
2933 CDB[0] = cmd;
2934 if (io->flags & MPT_ICFLAG_ECHO) {
2935 CDB[1] = 0x0A;
2936 } else {
2937 CDB[1] = 0x02;
2938 }
2939
2940 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2941 CDB[1] |= 0x01;
2942 }
2943 CDB[6] = (io->size >> 16) & 0xFF;
2944 CDB[7] = (io->size >> 8) & 0xFF;
2945 CDB[8] = io->size & 0xFF;
2946 timeout = 10;
2947 break;
2948
2949 case WRITE_BUFFER:
2950 cmdLen = 10;
2951 dir = MPI_SCSIIO_CONTROL_WRITE;
2952 CDB[0] = cmd;
2953 if (io->flags & MPT_ICFLAG_ECHO) {
2954 CDB[1] = 0x0A;
2955 } else {
2956 CDB[1] = 0x02;
2957 }
2958 CDB[6] = (io->size >> 16) & 0xFF;
2959 CDB[7] = (io->size >> 8) & 0xFF;
2960 CDB[8] = io->size & 0xFF;
2961 timeout = 10;
2962 break;
2963
2964 case RESERVE:
2965 cmdLen = 6;
2966 dir = MPI_SCSIIO_CONTROL_READ;
2967 CDB[0] = cmd;
2968 timeout = 10;
2969 break;
2970
2971 case RELEASE:
2972 cmdLen = 6;
2973 dir = MPI_SCSIIO_CONTROL_READ;
2974 CDB[0] = cmd;
2975 timeout = 10;
2976 break;
2977
2978 case SYNCHRONIZE_CACHE:
2979 cmdLen = 10;
2980 dir = MPI_SCSIIO_CONTROL_READ;
2981 CDB[0] = cmd;
2982// CDB[1] = 0x02; /* set immediate bit */
2983 timeout = 10;
2984 break;
2985
2986 default:
2987 /* Error Case */
2988 ret = -EFAULT;
2989 goto out;
2990 }
2991
2992 /* Get and Populate a free Frame
2993 * MsgContext set in mpt_get_msg_frame call
2994 */
2995 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
2996 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2997 ioc->name, __func__));
2998 ret = MPT_SCANDV_BUSY;
2999 goto out;
3000 }
3001
3002 pScsiReq = (SCSIIORequest_t *) mf;
3003
3004 /* Get the request index */
3005 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
3006 ADD_INDEX_LOG(my_idx); /* for debug */
3007
3008 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
3009 pScsiReq->TargetID = io->physDiskNum;
3010 pScsiReq->Bus = 0;
3011 pScsiReq->ChainOffset = 0;
3012 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
3013 } else {
3014 pScsiReq->TargetID = io->id;
3015 pScsiReq->Bus = io->channel;
3016 pScsiReq->ChainOffset = 0;
3017 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
3018 }
3019
3020 pScsiReq->CDBLength = cmdLen;
3021 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
3022
3023 pScsiReq->Reserved = 0;
3024
3025 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
3026 /* MsgContext set in mpt_get_msg_fram call */
3027
3028 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
3029
3030 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
3031 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
3032 else
3033 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3034
3035 if (cmd == REQUEST_SENSE) {
3036 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3037 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3038 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
3039 }
3040
3041 for (ii = 0; ii < 16; ii++)
3042 pScsiReq->CDB[ii] = CDB[ii];
3043
3044 pScsiReq->DataLength = cpu_to_le32(io->size);
3045 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
3046 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
3047
3048 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3049 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n",
3050 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
3051
3052 if (dir == MPI_SCSIIO_CONTROL_READ)
3053 ioc->add_sge((char *) &pScsiReq->SGL,
3054 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
3055 else
3056 ioc->add_sge((char *) &pScsiReq->SGL,
3057 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
3058
3059 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
3060 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
3061 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
3062 timeout*HZ);
3063 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
3064 ret = MPT_SCANDV_DID_RESET;
3065 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3066 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
3067 cmd));
3068 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
3069 mpt_free_msg_frame(ioc, mf);
3070 goto out;
3071 }
3072 if (!timeleft) {
3073 printk(MYIOC_s_WARN_FMT
3074 "Issuing Reset from %s!! doorbell=0x%08xh"
3075 " cmd=0x%02x\n",
3076 ioc->name, __func__, mpt_GetIocState(ioc, 0),
3077 cmd);
3078 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
3079 mpt_free_msg_frame(ioc, mf);
3080 }
3081 goto out;
3082 }
3083
3084 ret = ioc->internal_cmds.completion_code;
3085 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
3086 ioc->name, __func__, ret));
3087
3088 out:
3089 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
3090 mutex_unlock(&ioc->internal_cmds.mutex);
3091 return ret;
3092}
3093
3094/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3095/**
3096 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3097 * @hd: Pointer to a SCSI HOST structure
3098 * @vdevice: virtual target device
3099 *
3100 * Uses the ISR, but with special processing.
3101 * MUST be single-threaded.
3102 *
3103 */
3104static void
3105mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3106{
3107 INTERNAL_CMD iocmd;
3108
3109 /* Ignore hidden raid components, this is handled when the command
3110 * is sent to the volume
3111 */
3112 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3113 return;
3114
3115 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3116 !vdevice->configured_lun)
3117 return;
3118
3119 /* Following parameters will not change
3120 * in this routine.
3121 */
3122 iocmd.cmd = SYNCHRONIZE_CACHE;
3123 iocmd.flags = 0;
3124 iocmd.physDiskNum = -1;
3125 iocmd.data = NULL;
3126 iocmd.data_dma = -1;
3127 iocmd.size = 0;
3128 iocmd.rsvd = iocmd.rsvd2 = 0;
3129 iocmd.channel = vdevice->vtarget->channel;
3130 iocmd.id = vdevice->vtarget->id;
3131 iocmd.lun = vdevice->lun;
3132
3133 mptscsih_do_cmd(hd, &iocmd);
3134}
3135
3136static ssize_t
3137mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3138 char *buf)
3139{
3140 struct Scsi_Host *host = class_to_shost(dev);
3141 MPT_SCSI_HOST *hd = shost_priv(host);
3142 MPT_ADAPTER *ioc = hd->ioc;
3143
3144 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3145 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3146 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3147 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3148 ioc->facts.FWVersion.Word & 0x000000FF);
3149}
3150static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3151
3152static ssize_t
3153mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3154 char *buf)
3155{
3156 struct Scsi_Host *host = class_to_shost(dev);
3157 MPT_SCSI_HOST *hd = shost_priv(host);
3158 MPT_ADAPTER *ioc = hd->ioc;
3159
3160 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3161 (ioc->biosVersion & 0xFF000000) >> 24,
3162 (ioc->biosVersion & 0x00FF0000) >> 16,
3163 (ioc->biosVersion & 0x0000FF00) >> 8,
3164 ioc->biosVersion & 0x000000FF);
3165}
3166static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3167
3168static ssize_t
3169mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3170 char *buf)
3171{
3172 struct Scsi_Host *host = class_to_shost(dev);
3173 MPT_SCSI_HOST *hd = shost_priv(host);
3174 MPT_ADAPTER *ioc = hd->ioc;
3175
3176 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3177}
3178static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3179
3180static ssize_t
3181mptscsih_version_product_show(struct device *dev,
3182 struct device_attribute *attr,
3183char *buf)
3184{
3185 struct Scsi_Host *host = class_to_shost(dev);
3186 MPT_SCSI_HOST *hd = shost_priv(host);
3187 MPT_ADAPTER *ioc = hd->ioc;
3188
3189 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3190}
3191static DEVICE_ATTR(version_product, S_IRUGO,
3192 mptscsih_version_product_show, NULL);
3193
3194static ssize_t
3195mptscsih_version_nvdata_persistent_show(struct device *dev,
3196 struct device_attribute *attr,
3197 char *buf)
3198{
3199 struct Scsi_Host *host = class_to_shost(dev);
3200 MPT_SCSI_HOST *hd = shost_priv(host);
3201 MPT_ADAPTER *ioc = hd->ioc;
3202
3203 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3204 ioc->nvdata_version_persistent);
3205}
3206static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3207 mptscsih_version_nvdata_persistent_show, NULL);
3208
3209static ssize_t
3210mptscsih_version_nvdata_default_show(struct device *dev,
3211 struct device_attribute *attr, char *buf)
3212{
3213 struct Scsi_Host *host = class_to_shost(dev);
3214 MPT_SCSI_HOST *hd = shost_priv(host);
3215 MPT_ADAPTER *ioc = hd->ioc;
3216
3217 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3218}
3219static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3220 mptscsih_version_nvdata_default_show, NULL);
3221
3222static ssize_t
3223mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3224 char *buf)
3225{
3226 struct Scsi_Host *host = class_to_shost(dev);
3227 MPT_SCSI_HOST *hd = shost_priv(host);
3228 MPT_ADAPTER *ioc = hd->ioc;
3229
3230 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3231}
3232static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3233
3234static ssize_t
3235mptscsih_board_assembly_show(struct device *dev,
3236 struct device_attribute *attr, char *buf)
3237{
3238 struct Scsi_Host *host = class_to_shost(dev);
3239 MPT_SCSI_HOST *hd = shost_priv(host);
3240 MPT_ADAPTER *ioc = hd->ioc;
3241
3242 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3243}
3244static DEVICE_ATTR(board_assembly, S_IRUGO,
3245 mptscsih_board_assembly_show, NULL);
3246
3247static ssize_t
3248mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3249 char *buf)
3250{
3251 struct Scsi_Host *host = class_to_shost(dev);
3252 MPT_SCSI_HOST *hd = shost_priv(host);
3253 MPT_ADAPTER *ioc = hd->ioc;
3254
3255 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3256}
3257static DEVICE_ATTR(board_tracer, S_IRUGO,
3258 mptscsih_board_tracer_show, NULL);
3259
3260static ssize_t
3261mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3262 char *buf)
3263{
3264 struct Scsi_Host *host = class_to_shost(dev);
3265 MPT_SCSI_HOST *hd = shost_priv(host);
3266 MPT_ADAPTER *ioc = hd->ioc;
3267
3268 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3269}
3270static DEVICE_ATTR(io_delay, S_IRUGO,
3271 mptscsih_io_delay_show, NULL);
3272
3273static ssize_t
3274mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3275 char *buf)
3276{
3277 struct Scsi_Host *host = class_to_shost(dev);
3278 MPT_SCSI_HOST *hd = shost_priv(host);
3279 MPT_ADAPTER *ioc = hd->ioc;
3280
3281 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3282}
3283static DEVICE_ATTR(device_delay, S_IRUGO,
3284 mptscsih_device_delay_show, NULL);
3285
3286static ssize_t
3287mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3288 char *buf)
3289{
3290 struct Scsi_Host *host = class_to_shost(dev);
3291 MPT_SCSI_HOST *hd = shost_priv(host);
3292 MPT_ADAPTER *ioc = hd->ioc;
3293
3294 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3295}
3296static ssize_t
3297mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3298 const char *buf, size_t count)
3299{
3300 struct Scsi_Host *host = class_to_shost(dev);
3301 MPT_SCSI_HOST *hd = shost_priv(host);
3302 MPT_ADAPTER *ioc = hd->ioc;
3303 int val = 0;
3304
3305 if (sscanf(buf, "%x", &val) != 1)
3306 return -EINVAL;
3307
3308 ioc->debug_level = val;
3309 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3310 ioc->name, ioc->debug_level);
3311 return strlen(buf);
3312}
3313static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3314 mptscsih_debug_level_show, mptscsih_debug_level_store);
3315
3316struct device_attribute *mptscsih_host_attrs[] = {
3317 &dev_attr_version_fw,
3318 &dev_attr_version_bios,
3319 &dev_attr_version_mpi,
3320 &dev_attr_version_product,
3321 &dev_attr_version_nvdata_persistent,
3322 &dev_attr_version_nvdata_default,
3323 &dev_attr_board_name,
3324 &dev_attr_board_assembly,
3325 &dev_attr_board_tracer,
3326 &dev_attr_io_delay,
3327 &dev_attr_device_delay,
3328 &dev_attr_debug_level,
3329 NULL,
3330};
3331
3332EXPORT_SYMBOL(mptscsih_host_attrs);
3333
3334EXPORT_SYMBOL(mptscsih_remove);
3335EXPORT_SYMBOL(mptscsih_shutdown);
3336#ifdef CONFIG_PM
3337EXPORT_SYMBOL(mptscsih_suspend);
3338EXPORT_SYMBOL(mptscsih_resume);
3339#endif
3340EXPORT_SYMBOL(mptscsih_proc_info);
3341EXPORT_SYMBOL(mptscsih_info);
3342EXPORT_SYMBOL(mptscsih_qcmd);
3343EXPORT_SYMBOL(mptscsih_slave_destroy);
3344EXPORT_SYMBOL(mptscsih_slave_configure);
3345EXPORT_SYMBOL(mptscsih_abort);
3346EXPORT_SYMBOL(mptscsih_dev_reset);
3347EXPORT_SYMBOL(mptscsih_bus_reset);
3348EXPORT_SYMBOL(mptscsih_host_reset);
3349EXPORT_SYMBOL(mptscsih_bios_param);
3350EXPORT_SYMBOL(mptscsih_io_done);
3351EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3352EXPORT_SYMBOL(mptscsih_scandv_complete);
3353EXPORT_SYMBOL(mptscsih_event_process);
3354EXPORT_SYMBOL(mptscsih_ioc_reset);
3355EXPORT_SYMBOL(mptscsih_change_queue_depth);
3356
3357/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1/*
2 * linux/drivers/message/fusion/mptscsih.c
3 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
5 *
6 * Copyright (c) 1999-2008 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
8 *
9 */
10/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
11/*
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; version 2 of the License.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 NO WARRANTY
22 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
23 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
24 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
25 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
26 solely responsible for determining the appropriateness of using and
27 distributing the Program and assumes all risks associated with its
28 exercise of rights under this Agreement, including but not limited to
29 the risks and costs of program errors, damage to or loss of data,
30 programs or equipment, and unavailability or interruption of operations.
31
32 DISCLAIMER OF LIABILITY
33 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
34 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
36 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
37 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
38 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
39 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
40
41 You should have received a copy of the GNU General Public License
42 along with this program; if not, write to the Free Software
43 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
44*/
45/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
46
47#include <linux/module.h>
48#include <linux/kernel.h>
49#include <linux/slab.h>
50#include <linux/init.h>
51#include <linux/errno.h>
52#include <linux/kdev_t.h>
53#include <linux/blkdev.h>
54#include <linux/delay.h> /* for mdelay */
55#include <linux/interrupt.h>
56#include <linux/reboot.h> /* notifier code */
57#include <linux/workqueue.h>
58
59#include <scsi/scsi.h>
60#include <scsi/scsi_cmnd.h>
61#include <scsi/scsi_device.h>
62#include <scsi/scsi_host.h>
63#include <scsi/scsi_tcq.h>
64#include <scsi/scsi_dbg.h>
65
66#include "mptbase.h"
67#include "mptscsih.h"
68#include "lsi/mpi_log_sas.h"
69
70/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
71#define my_NAME "Fusion MPT SCSI Host driver"
72#define my_VERSION MPT_LINUX_VERSION_COMMON
73#define MYNAM "mptscsih"
74
75MODULE_AUTHOR(MODULEAUTHOR);
76MODULE_DESCRIPTION(my_NAME);
77MODULE_LICENSE("GPL");
78MODULE_VERSION(my_VERSION);
79
80/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
81/*
82 * Other private/forward protos...
83 */
84struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
85static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
86static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
87static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
88int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
89static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
90int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
91
92static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
93 SCSIIORequest_t *pReq, int req_idx);
94static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
95static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
96
97int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
98 u64 lun, int ctx2abort, ulong timeout);
99
100int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
101int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
102
103void
104mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
105static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
106 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
107int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
108static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
109static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
110
111static int
112mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
113 SCSITaskMgmtReply_t *pScsiTmReply);
114void mptscsih_remove(struct pci_dev *);
115void mptscsih_shutdown(struct pci_dev *);
116#ifdef CONFIG_PM
117int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
118int mptscsih_resume(struct pci_dev *pdev);
119#endif
120
121
122/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
123/*
124 * mptscsih_getFreeChainBuffer - Function to get a free chain
125 * from the MPT_SCSI_HOST FreeChainQ.
126 * @ioc: Pointer to MPT_ADAPTER structure
127 * @req_idx: Index of the SCSI IO request frame. (output)
128 *
129 * return SUCCESS or FAILED
130 */
131static inline int
132mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
133{
134 MPT_FRAME_HDR *chainBuf;
135 unsigned long flags;
136 int rc;
137 int chain_idx;
138
139 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
140 ioc->name));
141 spin_lock_irqsave(&ioc->FreeQlock, flags);
142 if (!list_empty(&ioc->FreeChainQ)) {
143 int offset;
144
145 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
146 u.frame.linkage.list);
147 list_del(&chainBuf->u.frame.linkage.list);
148 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
149 chain_idx = offset / ioc->req_sz;
150 rc = SUCCESS;
151 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
152 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
153 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
154 } else {
155 rc = FAILED;
156 chain_idx = MPT_HOST_NO_CHAIN;
157 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
158 ioc->name));
159 }
160 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
161
162 *retIndex = chain_idx;
163 return rc;
164} /* mptscsih_getFreeChainBuffer() */
165
166/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
167/*
168 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
169 * SCSIIORequest_t Message Frame.
170 * @ioc: Pointer to MPT_ADAPTER structure
171 * @SCpnt: Pointer to scsi_cmnd structure
172 * @pReq: Pointer to SCSIIORequest_t structure
173 *
174 * Returns ...
175 */
176static int
177mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
178 SCSIIORequest_t *pReq, int req_idx)
179{
180 char *psge;
181 char *chainSge;
182 struct scatterlist *sg;
183 int frm_sz;
184 int sges_left, sg_done;
185 int chain_idx = MPT_HOST_NO_CHAIN;
186 int sgeOffset;
187 int numSgeSlots, numSgeThisFrame;
188 u32 sgflags, sgdir, thisxfer = 0;
189 int chain_dma_off = 0;
190 int newIndex;
191 int ii;
192 dma_addr_t v2;
193 u32 RequestNB;
194
195 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
196 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
197 sgdir = MPT_TRANSFER_HOST_TO_IOC;
198 } else {
199 sgdir = MPT_TRANSFER_IOC_TO_HOST;
200 }
201
202 psge = (char *) &pReq->SGL;
203 frm_sz = ioc->req_sz;
204
205 /* Map the data portion, if any.
206 * sges_left = 0 if no data transfer.
207 */
208 sges_left = scsi_dma_map(SCpnt);
209 if (sges_left < 0)
210 return FAILED;
211
212 /* Handle the SG case.
213 */
214 sg = scsi_sglist(SCpnt);
215 sg_done = 0;
216 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
217 chainSge = NULL;
218
219 /* Prior to entering this loop - the following must be set
220 * current MF: sgeOffset (bytes)
221 * chainSge (Null if original MF is not a chain buffer)
222 * sg_done (num SGE done for this MF)
223 */
224
225nextSGEset:
226 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
227 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
228
229 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
230
231 /* Get first (num - 1) SG elements
232 * Skip any SG entries with a length of 0
233 * NOTE: at finish, sg and psge pointed to NEXT data/location positions
234 */
235 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
236 thisxfer = sg_dma_len(sg);
237 if (thisxfer == 0) {
238 /* Get next SG element from the OS */
239 sg = sg_next(sg);
240 sg_done++;
241 continue;
242 }
243
244 v2 = sg_dma_address(sg);
245 ioc->add_sge(psge, sgflags | thisxfer, v2);
246
247 /* Get next SG element from the OS */
248 sg = sg_next(sg);
249 psge += ioc->SGE_size;
250 sgeOffset += ioc->SGE_size;
251 sg_done++;
252 }
253
254 if (numSgeThisFrame == sges_left) {
255 /* Add last element, end of buffer and end of list flags.
256 */
257 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
258 MPT_SGE_FLAGS_END_OF_BUFFER |
259 MPT_SGE_FLAGS_END_OF_LIST;
260
261 /* Add last SGE and set termination flags.
262 * Note: Last SGE may have a length of 0 - which should be ok.
263 */
264 thisxfer = sg_dma_len(sg);
265
266 v2 = sg_dma_address(sg);
267 ioc->add_sge(psge, sgflags | thisxfer, v2);
268 sgeOffset += ioc->SGE_size;
269 sg_done++;
270
271 if (chainSge) {
272 /* The current buffer is a chain buffer,
273 * but there is not another one.
274 * Update the chain element
275 * Offset and Length fields.
276 */
277 ioc->add_chain((char *)chainSge, 0, sgeOffset,
278 ioc->ChainBufferDMA + chain_dma_off);
279 } else {
280 /* The current buffer is the original MF
281 * and there is no Chain buffer.
282 */
283 pReq->ChainOffset = 0;
284 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
285 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
286 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
287 ioc->RequestNB[req_idx] = RequestNB;
288 }
289 } else {
290 /* At least one chain buffer is needed.
291 * Complete the first MF
292 * - last SGE element, set the LastElement bit
293 * - set ChainOffset (words) for orig MF
294 * (OR finish previous MF chain buffer)
295 * - update MFStructPtr ChainIndex
296 * - Populate chain element
297 * Also
298 * Loop until done.
299 */
300
301 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
302 ioc->name, sg_done));
303
304 /* Set LAST_ELEMENT flag for last non-chain element
305 * in the buffer. Since psge points at the NEXT
306 * SGE element, go back one SGE element, update the flags
307 * and reset the pointer. (Note: sgflags & thisxfer are already
308 * set properly).
309 */
310 if (sg_done) {
311 u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
312 sgflags = le32_to_cpu(*ptmp);
313 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
314 *ptmp = cpu_to_le32(sgflags);
315 }
316
317 if (chainSge) {
318 /* The current buffer is a chain buffer.
319 * chainSge points to the previous Chain Element.
320 * Update its chain element Offset and Length (must
321 * include chain element size) fields.
322 * Old chain element is now complete.
323 */
324 u8 nextChain = (u8) (sgeOffset >> 2);
325 sgeOffset += ioc->SGE_size;
326 ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
327 ioc->ChainBufferDMA + chain_dma_off);
328 } else {
329 /* The original MF buffer requires a chain buffer -
330 * set the offset.
331 * Last element in this MF is a chain element.
332 */
333 pReq->ChainOffset = (u8) (sgeOffset >> 2);
334 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
335 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
336 ioc->RequestNB[req_idx] = RequestNB;
337 }
338
339 sges_left -= sg_done;
340
341
342 /* NOTE: psge points to the beginning of the chain element
343 * in current buffer. Get a chain buffer.
344 */
345 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
346 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
347 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
348 ioc->name, pReq->CDB[0], SCpnt));
349 return FAILED;
350 }
351
352 /* Update the tracking arrays.
353 * If chainSge == NULL, update ReqToChain, else ChainToChain
354 */
355 if (chainSge) {
356 ioc->ChainToChain[chain_idx] = newIndex;
357 } else {
358 ioc->ReqToChain[req_idx] = newIndex;
359 }
360 chain_idx = newIndex;
361 chain_dma_off = ioc->req_sz * chain_idx;
362
363 /* Populate the chainSGE for the current buffer.
364 * - Set chain buffer pointer to psge and fill
365 * out the Address and Flags fields.
366 */
367 chainSge = (char *) psge;
368 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
369 ioc->name, psge, req_idx));
370
371 /* Start the SGE for the next buffer
372 */
373 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
374 sgeOffset = 0;
375 sg_done = 0;
376
377 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
378 ioc->name, psge, chain_idx));
379
380 /* Start the SGE for the next buffer
381 */
382
383 goto nextSGEset;
384 }
385
386 return SUCCESS;
387} /* mptscsih_AddSGE() */
388
389static void
390mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
391 U32 SlotStatus)
392{
393 MPT_FRAME_HDR *mf;
394 SEPRequest_t *SEPMsg;
395
396 if (ioc->bus_type != SAS)
397 return;
398
399 /* Not supported for hidden raid components
400 */
401 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
402 return;
403
404 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
405 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
406 ioc->name,__func__));
407 return;
408 }
409
410 SEPMsg = (SEPRequest_t *)mf;
411 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
412 SEPMsg->Bus = vtarget->channel;
413 SEPMsg->TargetID = vtarget->id;
414 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
415 SEPMsg->SlotStatus = SlotStatus;
416 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
417 "Sending SEP cmd=%x channel=%d id=%d\n",
418 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
419 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
420}
421
422#ifdef CONFIG_FUSION_LOGGING
423/**
424 * mptscsih_info_scsiio - debug print info on reply frame
425 * @ioc: Pointer to MPT_ADAPTER structure
426 * @sc: original scsi cmnd pointer
427 * @pScsiReply: Pointer to MPT reply frame
428 *
429 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
430 *
431 * Refer to lsi/mpi.h.
432 **/
433static void
434mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
435{
436 char *desc = NULL;
437 char *desc1 = NULL;
438 u16 ioc_status;
439 u8 skey, asc, ascq;
440
441 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
442
443 switch (ioc_status) {
444
445 case MPI_IOCSTATUS_SUCCESS:
446 desc = "success";
447 break;
448 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
449 desc = "invalid bus";
450 break;
451 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
452 desc = "invalid target_id";
453 break;
454 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
455 desc = "device not there";
456 break;
457 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
458 desc = "data overrun";
459 break;
460 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
461 desc = "data underrun";
462 break;
463 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
464 desc = "I/O data error";
465 break;
466 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
467 desc = "protocol error";
468 break;
469 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
470 desc = "task terminated";
471 break;
472 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
473 desc = "residual mismatch";
474 break;
475 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
476 desc = "task management failed";
477 break;
478 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
479 desc = "IOC terminated";
480 break;
481 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
482 desc = "ext terminated";
483 break;
484 default:
485 desc = "";
486 break;
487 }
488
489 switch (pScsiReply->SCSIStatus)
490 {
491
492 case MPI_SCSI_STATUS_SUCCESS:
493 desc1 = "success";
494 break;
495 case MPI_SCSI_STATUS_CHECK_CONDITION:
496 desc1 = "check condition";
497 break;
498 case MPI_SCSI_STATUS_CONDITION_MET:
499 desc1 = "condition met";
500 break;
501 case MPI_SCSI_STATUS_BUSY:
502 desc1 = "busy";
503 break;
504 case MPI_SCSI_STATUS_INTERMEDIATE:
505 desc1 = "intermediate";
506 break;
507 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
508 desc1 = "intermediate condmet";
509 break;
510 case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
511 desc1 = "reservation conflict";
512 break;
513 case MPI_SCSI_STATUS_COMMAND_TERMINATED:
514 desc1 = "command terminated";
515 break;
516 case MPI_SCSI_STATUS_TASK_SET_FULL:
517 desc1 = "task set full";
518 break;
519 case MPI_SCSI_STATUS_ACA_ACTIVE:
520 desc1 = "aca active";
521 break;
522 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
523 desc1 = "fcpext device logged out";
524 break;
525 case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
526 desc1 = "fcpext no link";
527 break;
528 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
529 desc1 = "fcpext unassigned";
530 break;
531 default:
532 desc1 = "";
533 break;
534 }
535
536 scsi_print_command(sc);
537 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %llu\n",
538 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
539 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
540 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
541 scsi_get_resid(sc));
542 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
543 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
544 le32_to_cpu(pScsiReply->TransferCount), sc->result);
545
546 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
547 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
548 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
549 pScsiReply->SCSIState);
550
551 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
552 skey = sc->sense_buffer[2] & 0x0F;
553 asc = sc->sense_buffer[12];
554 ascq = sc->sense_buffer[13];
555
556 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
557 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
558 }
559
560 /*
561 * Look for + dump FCP ResponseInfo[]!
562 */
563 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
564 pScsiReply->ResponseInfo)
565 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
566 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
567}
568#endif
569
570/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
571/*
572 * mptscsih_io_done - Main SCSI IO callback routine registered to
573 * Fusion MPT (base) driver
574 * @ioc: Pointer to MPT_ADAPTER structure
575 * @mf: Pointer to original MPT request frame
576 * @r: Pointer to MPT reply frame (NULL if TurboReply)
577 *
578 * This routine is called from mpt.c::mpt_interrupt() at the completion
579 * of any SCSI IO request.
580 * This routine is registered with the Fusion MPT (base) driver at driver
581 * load/init time via the mpt_register() API call.
582 *
583 * Returns 1 indicating alloc'd request frame ptr should be freed.
584 */
585int
586mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
587{
588 struct scsi_cmnd *sc;
589 MPT_SCSI_HOST *hd;
590 SCSIIORequest_t *pScsiReq;
591 SCSIIOReply_t *pScsiReply;
592 u16 req_idx, req_idx_MR;
593 VirtDevice *vdevice;
594 VirtTarget *vtarget;
595
596 hd = shost_priv(ioc->sh);
597 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
598 req_idx_MR = (mr != NULL) ?
599 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
600
601 /* Special case, where already freed message frame is received from
602 * Firmware. It happens with Resetting IOC.
603 * Return immediately. Do not care
604 */
605 if ((req_idx != req_idx_MR) ||
606 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
607 return 0;
608
609 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
610 if (sc == NULL) {
611 MPIHeader_t *hdr = (MPIHeader_t *)mf;
612
613 /* Remark: writeSDP1 will use the ScsiDoneCtx
614 * If a SCSI I/O cmd, device disabled by OS and
615 * completion done. Cannot touch sc struct. Just free mem.
616 */
617 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
618 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
619 ioc->name);
620
621 mptscsih_freeChainBuffers(ioc, req_idx);
622 return 1;
623 }
624
625 if ((unsigned char *)mf != sc->host_scribble) {
626 mptscsih_freeChainBuffers(ioc, req_idx);
627 return 1;
628 }
629
630 if (ioc->bus_type == SAS) {
631 VirtDevice *vdevice = sc->device->hostdata;
632
633 if (!vdevice || !vdevice->vtarget ||
634 vdevice->vtarget->deleted) {
635 sc->result = DID_NO_CONNECT << 16;
636 goto out;
637 }
638 }
639
640 sc->host_scribble = NULL;
641 sc->result = DID_OK << 16; /* Set default reply as OK */
642 pScsiReq = (SCSIIORequest_t *) mf;
643 pScsiReply = (SCSIIOReply_t *) mr;
644
645 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
646 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
647 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
648 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
649 }else{
650 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
651 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
652 ioc->name, mf, mr, sc, req_idx));
653 }
654
655 if (pScsiReply == NULL) {
656 /* special context reply handling */
657 ;
658 } else {
659 u32 xfer_cnt;
660 u16 status;
661 u8 scsi_state, scsi_status;
662 u32 log_info;
663
664 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
665
666 scsi_state = pScsiReply->SCSIState;
667 scsi_status = pScsiReply->SCSIStatus;
668 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
669 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
670 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
671
672 /*
673 * if we get a data underrun indication, yet no data was
674 * transferred and the SCSI status indicates that the
675 * command was never started, change the data underrun
676 * to success
677 */
678 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
679 (scsi_status == MPI_SCSI_STATUS_BUSY ||
680 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
681 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
682 status = MPI_IOCSTATUS_SUCCESS;
683 }
684
685 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
686 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
687
688 /*
689 * Look for + dump FCP ResponseInfo[]!
690 */
691 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
692 pScsiReply->ResponseInfo) {
693 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%llu] "
694 "FCP_ResponseInfo=%08xh\n", ioc->name,
695 sc->device->host->host_no, sc->device->channel,
696 sc->device->id, sc->device->lun,
697 le32_to_cpu(pScsiReply->ResponseInfo));
698 }
699
700 switch(status) {
701 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
702 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
703 /* CHECKME!
704 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
705 * But not: DID_BUS_BUSY lest one risk
706 * killing interrupt handler:-(
707 */
708 sc->result = SAM_STAT_BUSY;
709 break;
710
711 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
712 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
713 sc->result = DID_BAD_TARGET << 16;
714 break;
715
716 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
717 /* Spoof to SCSI Selection Timeout! */
718 if (ioc->bus_type != FC)
719 sc->result = DID_NO_CONNECT << 16;
720 /* else fibre, just stall until rescan event */
721 else
722 sc->result = DID_REQUEUE << 16;
723
724 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
725 hd->sel_timeout[pScsiReq->TargetID]++;
726
727 vdevice = sc->device->hostdata;
728 if (!vdevice)
729 break;
730 vtarget = vdevice->vtarget;
731 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
732 mptscsih_issue_sep_command(ioc, vtarget,
733 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
734 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
735 }
736 break;
737
738 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
739 if ( ioc->bus_type == SAS ) {
740 u16 ioc_status =
741 le16_to_cpu(pScsiReply->IOCStatus);
742 if ((ioc_status &
743 MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
744 &&
745 ((log_info & SAS_LOGINFO_MASK) ==
746 SAS_LOGINFO_NEXUS_LOSS)) {
747 VirtDevice *vdevice =
748 sc->device->hostdata;
749
750 /* flag the device as being in
751 * device removal delay so we can
752 * notify the midlayer to hold off
753 * on timeout eh */
754 if (vdevice && vdevice->
755 vtarget &&
756 vdevice->vtarget->
757 raidVolume)
758 printk(KERN_INFO
759 "Skipping Raid Volume"
760 "for inDMD\n");
761 else if (vdevice &&
762 vdevice->vtarget)
763 vdevice->vtarget->
764 inDMD = 1;
765
766 sc->result =
767 (DID_TRANSPORT_DISRUPTED
768 << 16);
769 break;
770 }
771 } else if (ioc->bus_type == FC) {
772 /*
773 * The FC IOC may kill a request for variety of
774 * reasons, some of which may be recovered by a
775 * retry, some which are unlikely to be
776 * recovered. Return DID_ERROR instead of
777 * DID_RESET to permit retry of the command,
778 * just not an infinite number of them
779 */
780 sc->result = DID_ERROR << 16;
781 break;
782 }
783
784 /*
785 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
786 */
787 fallthrough;
788
789 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
790 /* Linux handles an unsolicited DID_RESET better
791 * than an unsolicited DID_ABORT.
792 */
793 sc->result = DID_RESET << 16;
794 break;
795
796 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
797 if (ioc->bus_type == FC)
798 sc->result = DID_ERROR << 16;
799 else
800 sc->result = DID_RESET << 16;
801 break;
802
803 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
804 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
805 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
806 sc->result=DID_SOFT_ERROR << 16;
807 else /* Sufficient data transfer occurred */
808 sc->result = (DID_OK << 16) | scsi_status;
809 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
810 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
811 ioc->name, sc->result, sc->device->channel, sc->device->id));
812 break;
813
814 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
815 /*
816 * Do upfront check for valid SenseData and give it
817 * precedence!
818 */
819 sc->result = (DID_OK << 16) | scsi_status;
820 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
821
822 /*
823 * For an Errata on LSI53C1030
824 * When the length of request data
825 * and transfer data are different
826 * with result of command (READ or VERIFY),
827 * DID_SOFT_ERROR is set.
828 */
829 if (ioc->bus_type == SPI) {
830 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
831 pScsiReq->CDB[0] == READ_10 ||
832 pScsiReq->CDB[0] == READ_12 ||
833 (pScsiReq->CDB[0] == READ_16 &&
834 ((pScsiReq->CDB[1] & 0x02) == 0)) ||
835 pScsiReq->CDB[0] == VERIFY ||
836 pScsiReq->CDB[0] == VERIFY_16) {
837 if (scsi_bufflen(sc) !=
838 xfer_cnt) {
839 sc->result =
840 DID_SOFT_ERROR << 16;
841 printk(KERN_WARNING "Errata"
842 "on LSI53C1030 occurred."
843 "sc->req_bufflen=0x%02x,"
844 "xfer_cnt=0x%02x\n",
845 scsi_bufflen(sc),
846 xfer_cnt);
847 }
848 }
849 }
850
851 if (xfer_cnt < sc->underflow) {
852 if (scsi_status == SAM_STAT_BUSY)
853 sc->result = SAM_STAT_BUSY;
854 else
855 sc->result = DID_SOFT_ERROR << 16;
856 }
857 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
858 /* What to do?
859 */
860 sc->result = DID_SOFT_ERROR << 16;
861 }
862 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
863 /* Not real sure here either... */
864 sc->result = DID_RESET << 16;
865 }
866 }
867
868
869 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
870 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
871 ioc->name, sc->underflow));
872 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
873 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
874
875 /* Report Queue Full
876 */
877 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
878 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
879
880 break;
881
882 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
883 scsi_set_resid(sc, 0);
884 fallthrough;
885 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
886 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
887 sc->result = (DID_OK << 16) | scsi_status;
888 if (scsi_state == 0) {
889 ;
890 } else if (scsi_state &
891 MPI_SCSI_STATE_AUTOSENSE_VALID) {
892
893 /*
894 * For potential trouble on LSI53C1030.
895 * (date:2007.xx.)
896 * It is checked whether the length of
897 * request data is equal to
898 * the length of transfer and residual.
899 * MEDIUM_ERROR is set by incorrect data.
900 */
901 if ((ioc->bus_type == SPI) &&
902 (sc->sense_buffer[2] & 0x20)) {
903 u32 difftransfer;
904 difftransfer =
905 sc->sense_buffer[3] << 24 |
906 sc->sense_buffer[4] << 16 |
907 sc->sense_buffer[5] << 8 |
908 sc->sense_buffer[6];
909 if (((sc->sense_buffer[3] & 0x80) ==
910 0x80) && (scsi_bufflen(sc)
911 != xfer_cnt)) {
912 sc->sense_buffer[2] =
913 MEDIUM_ERROR;
914 sc->sense_buffer[12] = 0xff;
915 sc->sense_buffer[13] = 0xff;
916 printk(KERN_WARNING"Errata"
917 "on LSI53C1030 occurred."
918 "sc->req_bufflen=0x%02x,"
919 "xfer_cnt=0x%02x\n" ,
920 scsi_bufflen(sc),
921 xfer_cnt);
922 }
923 if (((sc->sense_buffer[3] & 0x80)
924 != 0x80) &&
925 (scsi_bufflen(sc) !=
926 xfer_cnt + difftransfer)) {
927 sc->sense_buffer[2] =
928 MEDIUM_ERROR;
929 sc->sense_buffer[12] = 0xff;
930 sc->sense_buffer[13] = 0xff;
931 printk(KERN_WARNING
932 "Errata on LSI53C1030 occurred"
933 "sc->req_bufflen=0x%02x,"
934 " xfer_cnt=0x%02x,"
935 "difftransfer=0x%02x\n",
936 scsi_bufflen(sc),
937 xfer_cnt,
938 difftransfer);
939 }
940 }
941
942 /*
943 * If running against circa 200003dd 909 MPT f/w,
944 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
945 * (QUEUE_FULL) returned from device! --> get 0x0000?128
946 * and with SenseBytes set to 0.
947 */
948 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
949 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
950
951 }
952 else if (scsi_state &
953 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
954 ) {
955 /*
956 * What to do?
957 */
958 sc->result = DID_SOFT_ERROR << 16;
959 }
960 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
961 /* Not real sure here either... */
962 sc->result = DID_RESET << 16;
963 }
964 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
965 /* Device Inq. data indicates that it supports
966 * QTags, but rejects QTag messages.
967 * This command completed OK.
968 *
969 * Not real sure here either so do nothing... */
970 }
971
972 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
973 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
974
975 /* Add handling of:
976 * Reservation Conflict, Busy,
977 * Command Terminated, CHECK
978 */
979 break;
980
981 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
982 sc->result = DID_SOFT_ERROR << 16;
983 break;
984
985 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
986 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
987 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
988 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
989 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
990 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
991 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
992 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
993 default:
994 /*
995 * What to do?
996 */
997 sc->result = DID_SOFT_ERROR << 16;
998 break;
999
1000 } /* switch(status) */
1001
1002#ifdef CONFIG_FUSION_LOGGING
1003 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
1004 mptscsih_info_scsiio(ioc, sc, pScsiReply);
1005#endif
1006
1007 } /* end of address reply case */
1008out:
1009 /* Unmap the DMA buffers, if any. */
1010 scsi_dma_unmap(sc);
1011
1012 sc->scsi_done(sc); /* Issue the command callback */
1013
1014 /* Free Chain buffers */
1015 mptscsih_freeChainBuffers(ioc, req_idx);
1016 return 1;
1017}
1018
1019/*
1020 * mptscsih_flush_running_cmds - For each command found, search
1021 * Scsi_Host instance taskQ and reply to OS.
1022 * Called only if recovering from a FW reload.
1023 * @hd: Pointer to a SCSI HOST structure
1024 *
1025 * Returns: None.
1026 *
1027 * Must be called while new I/Os are being queued.
1028 */
1029void
1030mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1031{
1032 MPT_ADAPTER *ioc = hd->ioc;
1033 struct scsi_cmnd *sc;
1034 SCSIIORequest_t *mf = NULL;
1035 int ii;
1036 int channel, id;
1037
1038 for (ii= 0; ii < ioc->req_depth; ii++) {
1039 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1040 if (!sc)
1041 continue;
1042 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1043 if (!mf)
1044 continue;
1045 channel = mf->Bus;
1046 id = mf->TargetID;
1047 mptscsih_freeChainBuffers(ioc, ii);
1048 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1049 if ((unsigned char *)mf != sc->host_scribble)
1050 continue;
1051 scsi_dma_unmap(sc);
1052 sc->result = DID_RESET << 16;
1053 sc->host_scribble = NULL;
1054 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1055 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1056 "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
1057 sc->scsi_done(sc);
1058 }
1059}
1060EXPORT_SYMBOL(mptscsih_flush_running_cmds);
1061
1062/*
1063 * mptscsih_search_running_cmds - Delete any commands associated
1064 * with the specified target and lun. Function called only
1065 * when a lun is disable by mid-layer.
1066 * Do NOT access the referenced scsi_cmnd structure or
1067 * members. Will cause either a paging or NULL ptr error.
1068 * (BUT, BUT, BUT, the code does reference it! - mdr)
1069 * @hd: Pointer to a SCSI HOST structure
1070 * @vdevice: per device private data
1071 *
1072 * Returns: None.
1073 *
1074 * Called from slave_destroy.
1075 */
1076static void
1077mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1078{
1079 SCSIIORequest_t *mf = NULL;
1080 int ii;
1081 struct scsi_cmnd *sc;
1082 struct scsi_lun lun;
1083 MPT_ADAPTER *ioc = hd->ioc;
1084 unsigned long flags;
1085
1086 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1087 for (ii = 0; ii < ioc->req_depth; ii++) {
1088 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
1089
1090 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1091 if (mf == NULL)
1092 continue;
1093 /* If the device is a hidden raid component, then its
1094 * expected that the mf->function will be RAID_SCSI_IO
1095 */
1096 if (vdevice->vtarget->tflags &
1097 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1098 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1099 continue;
1100
1101 int_to_scsilun(vdevice->lun, &lun);
1102 if ((mf->Bus != vdevice->vtarget->channel) ||
1103 (mf->TargetID != vdevice->vtarget->id) ||
1104 memcmp(lun.scsi_lun, mf->LUN, 8))
1105 continue;
1106
1107 if ((unsigned char *)mf != sc->host_scribble)
1108 continue;
1109 ioc->ScsiLookup[ii] = NULL;
1110 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1111 mptscsih_freeChainBuffers(ioc, ii);
1112 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1113 scsi_dma_unmap(sc);
1114 sc->host_scribble = NULL;
1115 sc->result = DID_NO_CONNECT << 16;
1116 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1117 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1118 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1119 vdevice->vtarget->channel, vdevice->vtarget->id,
1120 sc, mf, ii));
1121 sc->scsi_done(sc);
1122 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1123 }
1124 }
1125 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1126 return;
1127}
1128
1129/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1130
1131/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1132/*
1133 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
1134 * from a SCSI target device.
1135 * @sc: Pointer to scsi_cmnd structure
1136 * @pScsiReply: Pointer to SCSIIOReply_t
1137 * @pScsiReq: Pointer to original SCSI request
1138 *
1139 * This routine periodically reports QUEUE_FULL status returned from a
1140 * SCSI target device. It reports this to the console via kernel
1141 * printk() API call, not more than once every 10 seconds.
1142 */
1143static void
1144mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1145{
1146 long time = jiffies;
1147 MPT_SCSI_HOST *hd;
1148 MPT_ADAPTER *ioc;
1149
1150 if (sc->device == NULL)
1151 return;
1152 if (sc->device->host == NULL)
1153 return;
1154 if ((hd = shost_priv(sc->device->host)) == NULL)
1155 return;
1156 ioc = hd->ioc;
1157 if (time - hd->last_queue_full > 10 * HZ) {
1158 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%llu) reported QUEUE_FULL!\n",
1159 ioc->name, 0, sc->device->id, sc->device->lun));
1160 hd->last_queue_full = time;
1161 }
1162}
1163
1164/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1165/*
1166 * mptscsih_remove - Removed scsi devices
1167 * @pdev: Pointer to pci_dev structure
1168 *
1169 *
1170 */
1171void
1172mptscsih_remove(struct pci_dev *pdev)
1173{
1174 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1175 struct Scsi_Host *host = ioc->sh;
1176 MPT_SCSI_HOST *hd;
1177 int sz1;
1178
1179 if (host == NULL)
1180 hd = NULL;
1181 else
1182 hd = shost_priv(host);
1183
1184 mptscsih_shutdown(pdev);
1185
1186 sz1=0;
1187
1188 if (ioc->ScsiLookup != NULL) {
1189 sz1 = ioc->req_depth * sizeof(void *);
1190 kfree(ioc->ScsiLookup);
1191 ioc->ScsiLookup = NULL;
1192 }
1193
1194 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1195 "Free'd ScsiLookup (%d) memory\n",
1196 ioc->name, sz1));
1197
1198 if (hd)
1199 kfree(hd->info_kbuf);
1200
1201 /* NULL the Scsi_Host pointer
1202 */
1203 ioc->sh = NULL;
1204
1205 if (host)
1206 scsi_host_put(host);
1207 mpt_detach(pdev);
1208
1209}
1210
1211/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1212/*
1213 * mptscsih_shutdown - reboot notifier
1214 *
1215 */
1216void
1217mptscsih_shutdown(struct pci_dev *pdev)
1218{
1219}
1220
1221#ifdef CONFIG_PM
1222/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1223/*
1224 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1225 *
1226 *
1227 */
1228int
1229mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1230{
1231 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1232
1233 scsi_block_requests(ioc->sh);
1234 flush_scheduled_work();
1235 mptscsih_shutdown(pdev);
1236 return mpt_suspend(pdev,state);
1237}
1238
1239/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1240/*
1241 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1242 *
1243 *
1244 */
1245int
1246mptscsih_resume(struct pci_dev *pdev)
1247{
1248 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1249 int rc;
1250
1251 rc = mpt_resume(pdev);
1252 scsi_unblock_requests(ioc->sh);
1253 return rc;
1254}
1255
1256#endif
1257
1258/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1259/**
1260 * mptscsih_info - Return information about MPT adapter
1261 * @SChost: Pointer to Scsi_Host structure
1262 *
1263 * (linux scsi_host_template.info routine)
1264 *
1265 * Returns pointer to buffer where information was written.
1266 */
1267const char *
1268mptscsih_info(struct Scsi_Host *SChost)
1269{
1270 MPT_SCSI_HOST *h;
1271 int size = 0;
1272
1273 h = shost_priv(SChost);
1274
1275 if (h->info_kbuf == NULL)
1276 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1277 return h->info_kbuf;
1278 h->info_kbuf[0] = '\0';
1279
1280 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1281 h->info_kbuf[size-1] = '\0';
1282
1283 return h->info_kbuf;
1284}
1285
1286int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host)
1287{
1288 MPT_SCSI_HOST *hd = shost_priv(host);
1289 MPT_ADAPTER *ioc = hd->ioc;
1290
1291 seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name);
1292 seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1293 seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts);
1294 seq_printf(m, "MaxQ=%d\n", ioc->req_depth);
1295
1296 return 0;
1297}
1298
1299/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1300#define ADD_INDEX_LOG(req_ent) do { } while(0)
1301
1302/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1303/**
1304 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1305 * @SCpnt: Pointer to scsi_cmnd structure
1306 *
1307 * (linux scsi_host_template.queuecommand routine)
1308 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1309 * from a linux scsi_cmnd request and send it to the IOC.
1310 *
1311 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1312 */
1313int
1314mptscsih_qcmd(struct scsi_cmnd *SCpnt)
1315{
1316 MPT_SCSI_HOST *hd;
1317 MPT_FRAME_HDR *mf;
1318 SCSIIORequest_t *pScsiReq;
1319 VirtDevice *vdevice = SCpnt->device->hostdata;
1320 u32 datalen;
1321 u32 scsictl;
1322 u32 scsidir;
1323 u32 cmd_len;
1324 int my_idx;
1325 int ii;
1326 MPT_ADAPTER *ioc;
1327
1328 hd = shost_priv(SCpnt->device->host);
1329 ioc = hd->ioc;
1330
1331 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p\n",
1332 ioc->name, SCpnt));
1333
1334 if (ioc->taskmgmt_quiesce_io)
1335 return SCSI_MLQUEUE_HOST_BUSY;
1336
1337 /*
1338 * Put together a MPT SCSI request...
1339 */
1340 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1341 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1342 ioc->name));
1343 return SCSI_MLQUEUE_HOST_BUSY;
1344 }
1345
1346 pScsiReq = (SCSIIORequest_t *) mf;
1347
1348 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1349
1350 ADD_INDEX_LOG(my_idx);
1351
1352 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1353 * Seems we may receive a buffer (datalen>0) even when there
1354 * will be no data transfer! GRRRRR...
1355 */
1356 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1357 datalen = scsi_bufflen(SCpnt);
1358 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1359 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1360 datalen = scsi_bufflen(SCpnt);
1361 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1362 } else {
1363 datalen = 0;
1364 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1365 }
1366
1367 /* Default to untagged. Once a target structure has been allocated,
1368 * use the Inquiry data to determine if device supports tagged.
1369 */
1370 if ((vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) &&
1371 SCpnt->device->tagged_supported)
1372 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1373 else
1374 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1375
1376
1377 /* Use the above information to set up the message frame
1378 */
1379 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1380 pScsiReq->Bus = vdevice->vtarget->channel;
1381 pScsiReq->ChainOffset = 0;
1382 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1383 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1384 else
1385 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1386 pScsiReq->CDBLength = SCpnt->cmd_len;
1387 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1388 pScsiReq->Reserved = 0;
1389 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1390 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1391 pScsiReq->Control = cpu_to_le32(scsictl);
1392
1393 /*
1394 * Write SCSI CDB into the message
1395 */
1396 cmd_len = SCpnt->cmd_len;
1397 for (ii=0; ii < cmd_len; ii++)
1398 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1399
1400 for (ii=cmd_len; ii < 16; ii++)
1401 pScsiReq->CDB[ii] = 0;
1402
1403 /* DataLength */
1404 pScsiReq->DataLength = cpu_to_le32(datalen);
1405
1406 /* SenseBuffer low address */
1407 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1408 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1409
1410 /* Now add the SG list
1411 * Always have a SGE even if null length.
1412 */
1413 if (datalen == 0) {
1414 /* Add a NULL SGE */
1415 ioc->add_sge((char *)&pScsiReq->SGL,
1416 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1417 (dma_addr_t) -1);
1418 } else {
1419 /* Add a 32 or 64 bit SGE */
1420 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1421 goto fail;
1422 }
1423
1424 SCpnt->host_scribble = (unsigned char *)mf;
1425 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1426
1427 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1428 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1429 ioc->name, SCpnt, mf, my_idx));
1430 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1431 return 0;
1432
1433 fail:
1434 mptscsih_freeChainBuffers(ioc, my_idx);
1435 mpt_free_msg_frame(ioc, mf);
1436 return SCSI_MLQUEUE_HOST_BUSY;
1437}
1438
1439/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1440/*
1441 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1442 * with a SCSI IO request
1443 * @hd: Pointer to the MPT_SCSI_HOST instance
1444 * @req_idx: Index of the SCSI IO request frame.
1445 *
1446 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1447 * No return.
1448 */
1449static void
1450mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1451{
1452 MPT_FRAME_HDR *chain;
1453 unsigned long flags;
1454 int chain_idx;
1455 int next;
1456
1457 /* Get the first chain index and reset
1458 * tracker state.
1459 */
1460 chain_idx = ioc->ReqToChain[req_idx];
1461 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1462
1463 while (chain_idx != MPT_HOST_NO_CHAIN) {
1464
1465 /* Save the next chain buffer index */
1466 next = ioc->ChainToChain[chain_idx];
1467
1468 /* Free this chain buffer and reset
1469 * tracker
1470 */
1471 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1472
1473 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1474 + (chain_idx * ioc->req_sz));
1475
1476 spin_lock_irqsave(&ioc->FreeQlock, flags);
1477 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1478 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1479
1480 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1481 ioc->name, chain_idx));
1482
1483 /* handle next */
1484 chain_idx = next;
1485 }
1486 return;
1487}
1488
1489/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1490/*
1491 * Reset Handling
1492 */
1493
1494/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1495/**
1496 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1497 * @hd: Pointer to MPT_SCSI_HOST structure
1498 * @type: Task Management type
1499 * @channel: channel number for task management
1500 * @id: Logical Target ID for reset (if appropriate)
1501 * @lun: Logical Unit for reset (if appropriate)
1502 * @ctx2abort: Context for the task to be aborted (if appropriate)
1503 * @timeout: timeout for task management control
1504 *
1505 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1506 * or a non-interrupt thread. In the former, must not call schedule().
1507 *
1508 * Not all fields are meaningfull for all task types.
1509 *
1510 * Returns 0 for SUCCESS, or FAILED.
1511 *
1512 **/
1513int
1514mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, u64 lun,
1515 int ctx2abort, ulong timeout)
1516{
1517 MPT_FRAME_HDR *mf;
1518 SCSITaskMgmt_t *pScsiTm;
1519 int ii;
1520 int retval;
1521 MPT_ADAPTER *ioc = hd->ioc;
1522 u8 issue_hard_reset;
1523 u32 ioc_raw_state;
1524 unsigned long time_count;
1525
1526 issue_hard_reset = 0;
1527 ioc_raw_state = mpt_GetIocState(ioc, 0);
1528
1529 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1530 printk(MYIOC_s_WARN_FMT
1531 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1532 ioc->name, type, ioc_raw_state);
1533 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1534 ioc->name, __func__);
1535 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1536 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1537 "FAILED!!\n", ioc->name);
1538 return 0;
1539 }
1540
1541 /* DOORBELL ACTIVE check is not required if
1542 * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported.
1543 */
1544
1545 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
1546 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
1547 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
1548 printk(MYIOC_s_WARN_FMT
1549 "TaskMgmt type=%x: ioc_state: "
1550 "DOORBELL_ACTIVE (0x%x)!\n",
1551 ioc->name, type, ioc_raw_state);
1552 return FAILED;
1553 }
1554
1555 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1556 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1557 mf = NULL;
1558 retval = FAILED;
1559 goto out;
1560 }
1561
1562 /* Return Fail to calling function if no message frames available.
1563 */
1564 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1565 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1566 "TaskMgmt no msg frames!!\n", ioc->name));
1567 retval = FAILED;
1568 mpt_clear_taskmgmt_in_progress_flag(ioc);
1569 goto out;
1570 }
1571 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1572 ioc->name, mf));
1573
1574 /* Format the Request
1575 */
1576 pScsiTm = (SCSITaskMgmt_t *) mf;
1577 pScsiTm->TargetID = id;
1578 pScsiTm->Bus = channel;
1579 pScsiTm->ChainOffset = 0;
1580 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1581
1582 pScsiTm->Reserved = 0;
1583 pScsiTm->TaskType = type;
1584 pScsiTm->Reserved1 = 0;
1585 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1586 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1587
1588 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1589
1590 for (ii=0; ii < 7; ii++)
1591 pScsiTm->Reserved2[ii] = 0;
1592
1593 pScsiTm->TaskMsgContext = ctx2abort;
1594
1595 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1596 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1597 type, timeout));
1598
1599 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1600
1601 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1602 time_count = jiffies;
1603 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1604 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1605 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1606 else {
1607 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1608 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1609 if (retval) {
1610 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1611 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1612 ioc->name, mf, retval));
1613 mpt_free_msg_frame(ioc, mf);
1614 mpt_clear_taskmgmt_in_progress_flag(ioc);
1615 goto out;
1616 }
1617 }
1618
1619 wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1620 timeout*HZ);
1621 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1622 retval = FAILED;
1623 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1624 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1625 mpt_clear_taskmgmt_in_progress_flag(ioc);
1626 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1627 goto out;
1628 issue_hard_reset = 1;
1629 goto out;
1630 }
1631
1632 retval = mptscsih_taskmgmt_reply(ioc, type,
1633 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1634
1635 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1636 "TaskMgmt completed (%d seconds)\n",
1637 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1638
1639 out:
1640
1641 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1642 if (issue_hard_reset) {
1643 printk(MYIOC_s_WARN_FMT
1644 "Issuing Reset from %s!! doorbell=0x%08x\n",
1645 ioc->name, __func__, mpt_GetIocState(ioc, 0));
1646 retval = (ioc->bus_type == SAS) ?
1647 mpt_HardResetHandler(ioc, CAN_SLEEP) :
1648 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1649 mpt_free_msg_frame(ioc, mf);
1650 }
1651
1652 retval = (retval == 0) ? 0 : FAILED;
1653 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1654 return retval;
1655}
1656EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1657
1658static int
1659mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1660{
1661 switch (ioc->bus_type) {
1662 case FC:
1663 return 40;
1664 case SAS:
1665 return 30;
1666 case SPI:
1667 default:
1668 return 10;
1669 }
1670}
1671
1672/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1673/**
1674 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1675 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1676 *
1677 * (linux scsi_host_template.eh_abort_handler routine)
1678 *
1679 * Returns SUCCESS or FAILED.
1680 **/
1681int
1682mptscsih_abort(struct scsi_cmnd * SCpnt)
1683{
1684 MPT_SCSI_HOST *hd;
1685 MPT_FRAME_HDR *mf;
1686 u32 ctx2abort;
1687 int scpnt_idx;
1688 int retval;
1689 VirtDevice *vdevice;
1690 MPT_ADAPTER *ioc;
1691
1692 /* If we can't locate our host adapter structure, return FAILED status.
1693 */
1694 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1695 SCpnt->result = DID_RESET << 16;
1696 SCpnt->scsi_done(SCpnt);
1697 printk(KERN_ERR MYNAM ": task abort: "
1698 "can't locate host! (sc=%p)\n", SCpnt);
1699 return FAILED;
1700 }
1701
1702 ioc = hd->ioc;
1703 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1704 ioc->name, SCpnt);
1705 scsi_print_command(SCpnt);
1706
1707 vdevice = SCpnt->device->hostdata;
1708 if (!vdevice || !vdevice->vtarget) {
1709 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1710 "task abort: device has been deleted (sc=%p)\n",
1711 ioc->name, SCpnt));
1712 SCpnt->result = DID_NO_CONNECT << 16;
1713 SCpnt->scsi_done(SCpnt);
1714 retval = SUCCESS;
1715 goto out;
1716 }
1717
1718 /* Task aborts are not supported for hidden raid components.
1719 */
1720 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1721 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1722 "task abort: hidden raid component (sc=%p)\n",
1723 ioc->name, SCpnt));
1724 SCpnt->result = DID_RESET << 16;
1725 retval = FAILED;
1726 goto out;
1727 }
1728
1729 /* Task aborts are not supported for volumes.
1730 */
1731 if (vdevice->vtarget->raidVolume) {
1732 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1733 "task abort: raid volume (sc=%p)\n",
1734 ioc->name, SCpnt));
1735 SCpnt->result = DID_RESET << 16;
1736 retval = FAILED;
1737 goto out;
1738 }
1739
1740 /* Find this command
1741 */
1742 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1743 /* Cmd not found in ScsiLookup.
1744 * Do OS callback.
1745 */
1746 SCpnt->result = DID_RESET << 16;
1747 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1748 "Command not in the active list! (sc=%p)\n", ioc->name,
1749 SCpnt));
1750 retval = SUCCESS;
1751 goto out;
1752 }
1753
1754 if (ioc->timeouts < -1)
1755 ioc->timeouts++;
1756
1757 if (mpt_fwfault_debug)
1758 mpt_halt_firmware(ioc);
1759
1760 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1761 * (the IO to be ABORT'd)
1762 *
1763 * NOTE: Since we do not byteswap MsgContext, we do not
1764 * swap it here either. It is an opaque cookie to
1765 * the controller, so it does not matter. -DaveM
1766 */
1767 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1768 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1769 retval = mptscsih_IssueTaskMgmt(hd,
1770 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1771 vdevice->vtarget->channel,
1772 vdevice->vtarget->id, vdevice->lun,
1773 ctx2abort, mptscsih_get_tm_timeout(ioc));
1774
1775 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
1776 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1777 "task abort: command still in active list! (sc=%p)\n",
1778 ioc->name, SCpnt));
1779 retval = FAILED;
1780 } else {
1781 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1782 "task abort: command cleared from active list! (sc=%p)\n",
1783 ioc->name, SCpnt));
1784 retval = SUCCESS;
1785 }
1786
1787 out:
1788 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
1789 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1790 SCpnt);
1791
1792 return retval;
1793}
1794
1795/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1796/**
1797 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1798 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1799 *
1800 * (linux scsi_host_template.eh_dev_reset_handler routine)
1801 *
1802 * Returns SUCCESS or FAILED.
1803 **/
1804int
1805mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1806{
1807 MPT_SCSI_HOST *hd;
1808 int retval;
1809 VirtDevice *vdevice;
1810 MPT_ADAPTER *ioc;
1811
1812 /* If we can't locate our host adapter structure, return FAILED status.
1813 */
1814 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1815 printk(KERN_ERR MYNAM ": target reset: "
1816 "Can't locate host! (sc=%p)\n", SCpnt);
1817 return FAILED;
1818 }
1819
1820 ioc = hd->ioc;
1821 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1822 ioc->name, SCpnt);
1823 scsi_print_command(SCpnt);
1824
1825 vdevice = SCpnt->device->hostdata;
1826 if (!vdevice || !vdevice->vtarget) {
1827 retval = 0;
1828 goto out;
1829 }
1830
1831 /* Target reset to hidden raid component is not supported
1832 */
1833 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1834 retval = FAILED;
1835 goto out;
1836 }
1837
1838 retval = mptscsih_IssueTaskMgmt(hd,
1839 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1840 vdevice->vtarget->channel,
1841 vdevice->vtarget->id, 0, 0,
1842 mptscsih_get_tm_timeout(ioc));
1843
1844 out:
1845 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1846 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1847
1848 if (retval == 0)
1849 return SUCCESS;
1850 else
1851 return FAILED;
1852}
1853
1854
1855/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1856/**
1857 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1858 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1859 *
1860 * (linux scsi_host_template.eh_bus_reset_handler routine)
1861 *
1862 * Returns SUCCESS or FAILED.
1863 **/
1864int
1865mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1866{
1867 MPT_SCSI_HOST *hd;
1868 int retval;
1869 VirtDevice *vdevice;
1870 MPT_ADAPTER *ioc;
1871
1872 /* If we can't locate our host adapter structure, return FAILED status.
1873 */
1874 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1875 printk(KERN_ERR MYNAM ": bus reset: "
1876 "Can't locate host! (sc=%p)\n", SCpnt);
1877 return FAILED;
1878 }
1879
1880 ioc = hd->ioc;
1881 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1882 ioc->name, SCpnt);
1883 scsi_print_command(SCpnt);
1884
1885 if (ioc->timeouts < -1)
1886 ioc->timeouts++;
1887
1888 vdevice = SCpnt->device->hostdata;
1889 if (!vdevice || !vdevice->vtarget)
1890 return SUCCESS;
1891 retval = mptscsih_IssueTaskMgmt(hd,
1892 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1893 vdevice->vtarget->channel, 0, 0, 0,
1894 mptscsih_get_tm_timeout(ioc));
1895
1896 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1897 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1898
1899 if (retval == 0)
1900 return SUCCESS;
1901 else
1902 return FAILED;
1903}
1904
1905/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1906/**
1907 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1908 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1909 *
1910 * (linux scsi_host_template.eh_host_reset_handler routine)
1911 *
1912 * Returns SUCCESS or FAILED.
1913 */
1914int
1915mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1916{
1917 MPT_SCSI_HOST * hd;
1918 int status = SUCCESS;
1919 MPT_ADAPTER *ioc;
1920 int retval;
1921
1922 /* If we can't locate the host to reset, then we failed. */
1923 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1924 printk(KERN_ERR MYNAM ": host reset: "
1925 "Can't locate host! (sc=%p)\n", SCpnt);
1926 return FAILED;
1927 }
1928
1929 /* make sure we have no outstanding commands at this stage */
1930 mptscsih_flush_running_cmds(hd);
1931
1932 ioc = hd->ioc;
1933 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1934 ioc->name, SCpnt);
1935
1936 /* If our attempts to reset the host failed, then return a failed
1937 * status. The host will be taken off line by the SCSI mid-layer.
1938 */
1939 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1940 if (retval < 0)
1941 status = FAILED;
1942 else
1943 status = SUCCESS;
1944
1945 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1946 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1947
1948 return status;
1949}
1950
1951static int
1952mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
1953 SCSITaskMgmtReply_t *pScsiTmReply)
1954{
1955 u16 iocstatus;
1956 u32 termination_count;
1957 int retval;
1958
1959 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
1960 retval = FAILED;
1961 goto out;
1962 }
1963
1964 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
1965
1966 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
1967 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
1968
1969 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1970 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
1971 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
1972 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
1973 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
1974 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
1975 termination_count));
1976
1977 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
1978 pScsiTmReply->ResponseCode)
1979 mptscsih_taskmgmt_response_code(ioc,
1980 pScsiTmReply->ResponseCode);
1981
1982 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
1983 retval = 0;
1984 goto out;
1985 }
1986
1987 retval = FAILED;
1988 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
1989 if (termination_count == 1)
1990 retval = 0;
1991 goto out;
1992 }
1993
1994 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
1995 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
1996 retval = 0;
1997
1998 out:
1999 return retval;
2000}
2001
2002/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2003void
2004mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2005{
2006 char *desc;
2007
2008 switch (response_code) {
2009 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2010 desc = "The task completed.";
2011 break;
2012 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2013 desc = "The IOC received an invalid frame status.";
2014 break;
2015 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2016 desc = "The task type is not supported.";
2017 break;
2018 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2019 desc = "The requested task failed.";
2020 break;
2021 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2022 desc = "The task completed successfully.";
2023 break;
2024 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2025 desc = "The LUN request is invalid.";
2026 break;
2027 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2028 desc = "The task is in the IOC queue and has not been sent to target.";
2029 break;
2030 default:
2031 desc = "unknown";
2032 break;
2033 }
2034 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2035 ioc->name, response_code, desc);
2036}
2037EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2038
2039/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2040/**
2041 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2042 * @ioc: Pointer to MPT_ADAPTER structure
2043 * @mf: Pointer to SCSI task mgmt request frame
2044 * @mr: Pointer to SCSI task mgmt reply frame
2045 *
2046 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2047 * of any SCSI task management request.
2048 * This routine is registered with the MPT (base) driver at driver
2049 * load/init time via the mpt_register() API call.
2050 *
2051 * Returns 1 indicating alloc'd request frame ptr should be freed.
2052 **/
2053int
2054mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2055 MPT_FRAME_HDR *mr)
2056{
2057 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2058 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2059
2060 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2061
2062 if (!mr)
2063 goto out;
2064
2065 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2066 memcpy(ioc->taskmgmt_cmds.reply, mr,
2067 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2068 out:
2069 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2070 mpt_clear_taskmgmt_in_progress_flag(ioc);
2071 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2072 complete(&ioc->taskmgmt_cmds.done);
2073 if (ioc->bus_type == SAS)
2074 ioc->schedule_target_reset(ioc);
2075 return 1;
2076 }
2077 return 0;
2078}
2079
2080/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2081/*
2082 * This is anyones guess quite frankly.
2083 */
2084int
2085mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2086 sector_t capacity, int geom[])
2087{
2088 int heads;
2089 int sectors;
2090 sector_t cylinders;
2091 ulong dummy;
2092
2093 heads = 64;
2094 sectors = 32;
2095
2096 dummy = heads * sectors;
2097 cylinders = capacity;
2098 sector_div(cylinders,dummy);
2099
2100 /*
2101 * Handle extended translation size for logical drives
2102 * > 1Gb
2103 */
2104 if ((ulong)capacity >= 0x200000) {
2105 heads = 255;
2106 sectors = 63;
2107 dummy = heads * sectors;
2108 cylinders = capacity;
2109 sector_div(cylinders,dummy);
2110 }
2111
2112 /* return result */
2113 geom[0] = heads;
2114 geom[1] = sectors;
2115 geom[2] = cylinders;
2116
2117 return 0;
2118}
2119
2120/* Search IOC page 3 to determine if this is hidden physical disk
2121 *
2122 */
2123int
2124mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2125{
2126 struct inactive_raid_component_info *component_info;
2127 int i, j;
2128 RaidPhysDiskPage1_t *phys_disk;
2129 int rc = 0;
2130 int num_paths;
2131
2132 if (!ioc->raid_data.pIocPg3)
2133 goto out;
2134 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2135 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2136 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2137 rc = 1;
2138 goto out;
2139 }
2140 }
2141
2142 if (ioc->bus_type != SAS)
2143 goto out;
2144
2145 /*
2146 * Check if dual path
2147 */
2148 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2149 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2150 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2151 if (num_paths < 2)
2152 continue;
2153 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2154 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2155 if (!phys_disk)
2156 continue;
2157 if ((mpt_raid_phys_disk_pg1(ioc,
2158 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2159 phys_disk))) {
2160 kfree(phys_disk);
2161 continue;
2162 }
2163 for (j = 0; j < num_paths; j++) {
2164 if ((phys_disk->Path[j].Flags &
2165 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2166 continue;
2167 if ((phys_disk->Path[j].Flags &
2168 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2169 continue;
2170 if ((id == phys_disk->Path[j].PhysDiskID) &&
2171 (channel == phys_disk->Path[j].PhysDiskBus)) {
2172 rc = 1;
2173 kfree(phys_disk);
2174 goto out;
2175 }
2176 }
2177 kfree(phys_disk);
2178 }
2179
2180
2181 /*
2182 * Check inactive list for matching phys disks
2183 */
2184 if (list_empty(&ioc->raid_data.inactive_list))
2185 goto out;
2186
2187 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2188 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2189 list) {
2190 if ((component_info->d.PhysDiskID == id) &&
2191 (component_info->d.PhysDiskBus == channel))
2192 rc = 1;
2193 }
2194 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2195
2196 out:
2197 return rc;
2198}
2199EXPORT_SYMBOL(mptscsih_is_phys_disk);
2200
2201u8
2202mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2203{
2204 struct inactive_raid_component_info *component_info;
2205 int i, j;
2206 RaidPhysDiskPage1_t *phys_disk;
2207 int rc = -ENXIO;
2208 int num_paths;
2209
2210 if (!ioc->raid_data.pIocPg3)
2211 goto out;
2212 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2213 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2214 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2215 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2216 goto out;
2217 }
2218 }
2219
2220 if (ioc->bus_type != SAS)
2221 goto out;
2222
2223 /*
2224 * Check if dual path
2225 */
2226 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2227 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2228 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2229 if (num_paths < 2)
2230 continue;
2231 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2232 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2233 if (!phys_disk)
2234 continue;
2235 if ((mpt_raid_phys_disk_pg1(ioc,
2236 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2237 phys_disk))) {
2238 kfree(phys_disk);
2239 continue;
2240 }
2241 for (j = 0; j < num_paths; j++) {
2242 if ((phys_disk->Path[j].Flags &
2243 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2244 continue;
2245 if ((phys_disk->Path[j].Flags &
2246 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2247 continue;
2248 if ((id == phys_disk->Path[j].PhysDiskID) &&
2249 (channel == phys_disk->Path[j].PhysDiskBus)) {
2250 rc = phys_disk->PhysDiskNum;
2251 kfree(phys_disk);
2252 goto out;
2253 }
2254 }
2255 kfree(phys_disk);
2256 }
2257
2258 /*
2259 * Check inactive list for matching phys disks
2260 */
2261 if (list_empty(&ioc->raid_data.inactive_list))
2262 goto out;
2263
2264 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2265 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2266 list) {
2267 if ((component_info->d.PhysDiskID == id) &&
2268 (component_info->d.PhysDiskBus == channel))
2269 rc = component_info->d.PhysDiskNum;
2270 }
2271 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2272
2273 out:
2274 return rc;
2275}
2276EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2277
2278/*
2279 * OS entry point to allow for host driver to free allocated memory
2280 * Called if no device present or device being unloaded
2281 */
2282void
2283mptscsih_slave_destroy(struct scsi_device *sdev)
2284{
2285 struct Scsi_Host *host = sdev->host;
2286 MPT_SCSI_HOST *hd = shost_priv(host);
2287 VirtTarget *vtarget;
2288 VirtDevice *vdevice;
2289 struct scsi_target *starget;
2290
2291 starget = scsi_target(sdev);
2292 vtarget = starget->hostdata;
2293 vdevice = sdev->hostdata;
2294 if (!vdevice)
2295 return;
2296
2297 mptscsih_search_running_cmds(hd, vdevice);
2298 vtarget->num_luns--;
2299 mptscsih_synchronize_cache(hd, vdevice);
2300 kfree(vdevice);
2301 sdev->hostdata = NULL;
2302}
2303
2304/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2305/*
2306 * mptscsih_change_queue_depth - This function will set a devices queue depth
2307 * @sdev: per scsi_device pointer
2308 * @qdepth: requested queue depth
2309 *
2310 * Adding support for new 'change_queue_depth' api.
2311*/
2312int
2313mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
2314{
2315 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2316 VirtTarget *vtarget;
2317 struct scsi_target *starget;
2318 int max_depth;
2319 MPT_ADAPTER *ioc = hd->ioc;
2320
2321 starget = scsi_target(sdev);
2322 vtarget = starget->hostdata;
2323
2324 if (ioc->bus_type == SPI) {
2325 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2326 max_depth = 1;
2327 else if (sdev->type == TYPE_DISK &&
2328 vtarget->minSyncFactor <= MPT_ULTRA160)
2329 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2330 else
2331 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2332 } else
2333 max_depth = ioc->sh->can_queue;
2334
2335 if (!sdev->tagged_supported)
2336 max_depth = 1;
2337
2338 if (qdepth > max_depth)
2339 qdepth = max_depth;
2340
2341 return scsi_change_queue_depth(sdev, qdepth);
2342}
2343
2344/*
2345 * OS entry point to adjust the queue_depths on a per-device basis.
2346 * Called once per device the bus scan. Use it to force the queue_depth
2347 * member to 1 if a device does not support Q tags.
2348 * Return non-zero if fails.
2349 */
2350int
2351mptscsih_slave_configure(struct scsi_device *sdev)
2352{
2353 struct Scsi_Host *sh = sdev->host;
2354 VirtTarget *vtarget;
2355 VirtDevice *vdevice;
2356 struct scsi_target *starget;
2357 MPT_SCSI_HOST *hd = shost_priv(sh);
2358 MPT_ADAPTER *ioc = hd->ioc;
2359
2360 starget = scsi_target(sdev);
2361 vtarget = starget->hostdata;
2362 vdevice = sdev->hostdata;
2363
2364 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2365 "device @ %p, channel=%d, id=%d, lun=%llu\n",
2366 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2367 if (ioc->bus_type == SPI)
2368 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2369 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2370 ioc->name, sdev->sdtr, sdev->wdtr,
2371 sdev->ppr, sdev->inquiry_len));
2372
2373 vdevice->configured_lun = 1;
2374
2375 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2376 "Queue depth=%d, tflags=%x\n",
2377 ioc->name, sdev->queue_depth, vtarget->tflags));
2378
2379 if (ioc->bus_type == SPI)
2380 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2381 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2382 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2383 vtarget->minSyncFactor));
2384
2385 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
2386 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2387 "tagged %d, simple %d\n",
2388 ioc->name,sdev->tagged_supported, sdev->simple_tags));
2389
2390 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2391
2392 return 0;
2393}
2394
2395/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2396/*
2397 * Private routines...
2398 */
2399
2400/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2401/* Utility function to copy sense data from the scsi_cmnd buffer
2402 * to the FC and SCSI target structures.
2403 *
2404 */
2405static void
2406mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2407{
2408 VirtDevice *vdevice;
2409 SCSIIORequest_t *pReq;
2410 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2411 MPT_ADAPTER *ioc = hd->ioc;
2412
2413 /* Get target structure
2414 */
2415 pReq = (SCSIIORequest_t *) mf;
2416 vdevice = sc->device->hostdata;
2417
2418 if (sense_count) {
2419 u8 *sense_data;
2420 int req_index;
2421
2422 /* Copy the sense received into the scsi command block. */
2423 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2424 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2425 memcpy(sc->sense_buffer, sense_data, MPT_SENSE_BUFFER_ALLOC);
2426
2427 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2428 */
2429 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2430 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2431 int idx;
2432
2433 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2434 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2435 ioc->events[idx].eventContext = ioc->eventContext;
2436
2437 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2438 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2439 (sc->device->channel << 8) | sc->device->id;
2440
2441 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2442
2443 ioc->eventContext++;
2444 if (ioc->pcidev->vendor ==
2445 PCI_VENDOR_ID_IBM) {
2446 mptscsih_issue_sep_command(ioc,
2447 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2448 vdevice->vtarget->tflags |=
2449 MPT_TARGET_FLAGS_LED_ON;
2450 }
2451 }
2452 }
2453 } else {
2454 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2455 ioc->name));
2456 }
2457}
2458
2459/**
2460 * mptscsih_get_scsi_lookup - retrieves scmd entry
2461 * @ioc: Pointer to MPT_ADAPTER structure
2462 * @i: index into the array
2463 *
2464 * Returns the scsi_cmd pointer
2465 */
2466struct scsi_cmnd *
2467mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2468{
2469 unsigned long flags;
2470 struct scsi_cmnd *scmd;
2471
2472 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2473 scmd = ioc->ScsiLookup[i];
2474 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2475
2476 return scmd;
2477}
2478EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2479
2480/**
2481 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2482 * @ioc: Pointer to MPT_ADAPTER structure
2483 * @i: index into the array
2484 *
2485 * Returns the scsi_cmd pointer
2486 *
2487 **/
2488static struct scsi_cmnd *
2489mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2490{
2491 unsigned long flags;
2492 struct scsi_cmnd *scmd;
2493
2494 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2495 scmd = ioc->ScsiLookup[i];
2496 ioc->ScsiLookup[i] = NULL;
2497 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2498
2499 return scmd;
2500}
2501
2502/**
2503 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
2504 *
2505 * @ioc: Pointer to MPT_ADAPTER structure
2506 * @i: index into the array
2507 * @scmd: scsi_cmnd pointer
2508 *
2509 **/
2510static void
2511mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2512{
2513 unsigned long flags;
2514
2515 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2516 ioc->ScsiLookup[i] = scmd;
2517 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2518}
2519
2520/**
2521 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2522 * @ioc: Pointer to MPT_ADAPTER structure
2523 * @sc: scsi_cmnd pointer
2524 */
2525static int
2526SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2527{
2528 unsigned long flags;
2529 int i, index=-1;
2530
2531 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2532 for (i = 0; i < ioc->req_depth; i++) {
2533 if (ioc->ScsiLookup[i] == sc) {
2534 index = i;
2535 goto out;
2536 }
2537 }
2538
2539 out:
2540 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2541 return index;
2542}
2543
2544/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2545int
2546mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2547{
2548 MPT_SCSI_HOST *hd;
2549
2550 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2551 return 0;
2552
2553 hd = shost_priv(ioc->sh);
2554 switch (reset_phase) {
2555 case MPT_IOC_SETUP_RESET:
2556 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2557 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2558 break;
2559 case MPT_IOC_PRE_RESET:
2560 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2561 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2562 mptscsih_flush_running_cmds(hd);
2563 break;
2564 case MPT_IOC_POST_RESET:
2565 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2566 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2567 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2568 ioc->internal_cmds.status |=
2569 MPT_MGMT_STATUS_DID_IOCRESET;
2570 complete(&ioc->internal_cmds.done);
2571 }
2572 break;
2573 default:
2574 break;
2575 }
2576 return 1; /* currently means nothing really */
2577}
2578
2579/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2580int
2581mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2582{
2583 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2584
2585 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2586 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2587 ioc->name, event));
2588
2589 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2590 event == MPI_EVENT_EXT_BUS_RESET) &&
2591 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2592 ioc->soft_resets++;
2593
2594 return 1; /* currently means nothing really */
2595}
2596
2597/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2598/*
2599 * Bus Scan and Domain Validation functionality ...
2600 */
2601
2602/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2603/*
2604 * mptscsih_scandv_complete - Scan and DV callback routine registered
2605 * to Fustion MPT (base) driver.
2606 *
2607 * @ioc: Pointer to MPT_ADAPTER structure
2608 * @mf: Pointer to original MPT request frame
2609 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2610 *
2611 * This routine is called from mpt.c::mpt_interrupt() at the completion
2612 * of any SCSI IO request.
2613 * This routine is registered with the Fusion MPT (base) driver at driver
2614 * load/init time via the mpt_register() API call.
2615 *
2616 * Returns 1 indicating alloc'd request frame ptr should be freed.
2617 *
2618 * Remark: Sets a completion code and (possibly) saves sense data
2619 * in the IOC member localReply structure.
2620 * Used ONLY for DV and other internal commands.
2621 */
2622int
2623mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2624 MPT_FRAME_HDR *reply)
2625{
2626 SCSIIORequest_t *pReq;
2627 SCSIIOReply_t *pReply;
2628 u8 cmd;
2629 u16 req_idx;
2630 u8 *sense_data;
2631 int sz;
2632
2633 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2634 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2635 if (!reply)
2636 goto out;
2637
2638 pReply = (SCSIIOReply_t *) reply;
2639 pReq = (SCSIIORequest_t *) req;
2640 ioc->internal_cmds.completion_code =
2641 mptscsih_get_completion_code(ioc, req, reply);
2642 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2643 memcpy(ioc->internal_cmds.reply, reply,
2644 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2645 cmd = reply->u.hdr.Function;
2646 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2647 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2648 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2649 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2650 sense_data = ((u8 *)ioc->sense_buf_pool +
2651 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2652 sz = min_t(int, pReq->SenseBufferLength,
2653 MPT_SENSE_BUFFER_ALLOC);
2654 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2655 }
2656 out:
2657 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2658 return 0;
2659 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2660 complete(&ioc->internal_cmds.done);
2661 return 1;
2662}
2663
2664
2665/**
2666 * mptscsih_get_completion_code - get completion code from MPT request
2667 * @ioc: Pointer to MPT_ADAPTER structure
2668 * @req: Pointer to original MPT request frame
2669 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
2670 *
2671 **/
2672static int
2673mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2674 MPT_FRAME_HDR *reply)
2675{
2676 SCSIIOReply_t *pReply;
2677 MpiRaidActionReply_t *pr;
2678 u8 scsi_status;
2679 u16 status;
2680 int completion_code;
2681
2682 pReply = (SCSIIOReply_t *)reply;
2683 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2684 scsi_status = pReply->SCSIStatus;
2685
2686 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2687 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2688 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2689 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2690
2691 switch (status) {
2692
2693 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2694 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2695 break;
2696
2697 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2698 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2699 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2700 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2701 completion_code = MPT_SCANDV_DID_RESET;
2702 break;
2703
2704 case MPI_IOCSTATUS_BUSY:
2705 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2706 completion_code = MPT_SCANDV_BUSY;
2707 break;
2708
2709 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2710 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2711 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2712 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2713 completion_code = MPT_SCANDV_GOOD;
2714 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2715 pr = (MpiRaidActionReply_t *)reply;
2716 if (le16_to_cpu(pr->ActionStatus) ==
2717 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2718 completion_code = MPT_SCANDV_GOOD;
2719 else
2720 completion_code = MPT_SCANDV_SOME_ERROR;
2721 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2722 completion_code = MPT_SCANDV_SENSE;
2723 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2724 if (req->u.scsireq.CDB[0] == INQUIRY)
2725 completion_code = MPT_SCANDV_ISSUE_SENSE;
2726 else
2727 completion_code = MPT_SCANDV_DID_RESET;
2728 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2729 completion_code = MPT_SCANDV_DID_RESET;
2730 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2731 completion_code = MPT_SCANDV_DID_RESET;
2732 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2733 completion_code = MPT_SCANDV_BUSY;
2734 else
2735 completion_code = MPT_SCANDV_GOOD;
2736 break;
2737
2738 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2739 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2740 completion_code = MPT_SCANDV_DID_RESET;
2741 else
2742 completion_code = MPT_SCANDV_SOME_ERROR;
2743 break;
2744 default:
2745 completion_code = MPT_SCANDV_SOME_ERROR;
2746 break;
2747
2748 } /* switch(status) */
2749
2750 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2751 " completionCode set to %08xh\n", ioc->name, completion_code));
2752 return completion_code;
2753}
2754
2755/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2756/**
2757 * mptscsih_do_cmd - Do internal command.
2758 * @hd: MPT_SCSI_HOST pointer
2759 * @io: INTERNAL_CMD pointer.
2760 *
2761 * Issue the specified internally generated command and do command
2762 * specific cleanup. For bus scan / DV only.
2763 * NOTES: If command is Inquiry and status is good,
2764 * initialize a target structure, save the data
2765 *
2766 * Remark: Single threaded access only.
2767 *
2768 * Return:
2769 * < 0 if an illegal command or no resources
2770 *
2771 * 0 if good
2772 *
2773 * > 0 if command complete but some type of completion error.
2774 */
2775static int
2776mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2777{
2778 MPT_FRAME_HDR *mf;
2779 SCSIIORequest_t *pScsiReq;
2780 int my_idx, ii, dir;
2781 int timeout;
2782 char cmdLen;
2783 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2784 u8 cmd = io->cmd;
2785 MPT_ADAPTER *ioc = hd->ioc;
2786 int ret = 0;
2787 unsigned long timeleft;
2788 unsigned long flags;
2789
2790 /* don't send internal command during diag reset */
2791 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2792 if (ioc->ioc_reset_in_progress) {
2793 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2794 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2795 "%s: busy with host reset\n", ioc->name, __func__));
2796 return MPT_SCANDV_BUSY;
2797 }
2798 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2799
2800 mutex_lock(&ioc->internal_cmds.mutex);
2801
2802 /* Set command specific information
2803 */
2804 switch (cmd) {
2805 case INQUIRY:
2806 cmdLen = 6;
2807 dir = MPI_SCSIIO_CONTROL_READ;
2808 CDB[0] = cmd;
2809 CDB[4] = io->size;
2810 timeout = 10;
2811 break;
2812
2813 case TEST_UNIT_READY:
2814 cmdLen = 6;
2815 dir = MPI_SCSIIO_CONTROL_READ;
2816 timeout = 10;
2817 break;
2818
2819 case START_STOP:
2820 cmdLen = 6;
2821 dir = MPI_SCSIIO_CONTROL_READ;
2822 CDB[0] = cmd;
2823 CDB[4] = 1; /*Spin up the disk */
2824 timeout = 15;
2825 break;
2826
2827 case REQUEST_SENSE:
2828 cmdLen = 6;
2829 CDB[0] = cmd;
2830 CDB[4] = io->size;
2831 dir = MPI_SCSIIO_CONTROL_READ;
2832 timeout = 10;
2833 break;
2834
2835 case READ_BUFFER:
2836 cmdLen = 10;
2837 dir = MPI_SCSIIO_CONTROL_READ;
2838 CDB[0] = cmd;
2839 if (io->flags & MPT_ICFLAG_ECHO) {
2840 CDB[1] = 0x0A;
2841 } else {
2842 CDB[1] = 0x02;
2843 }
2844
2845 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2846 CDB[1] |= 0x01;
2847 }
2848 CDB[6] = (io->size >> 16) & 0xFF;
2849 CDB[7] = (io->size >> 8) & 0xFF;
2850 CDB[8] = io->size & 0xFF;
2851 timeout = 10;
2852 break;
2853
2854 case WRITE_BUFFER:
2855 cmdLen = 10;
2856 dir = MPI_SCSIIO_CONTROL_WRITE;
2857 CDB[0] = cmd;
2858 if (io->flags & MPT_ICFLAG_ECHO) {
2859 CDB[1] = 0x0A;
2860 } else {
2861 CDB[1] = 0x02;
2862 }
2863 CDB[6] = (io->size >> 16) & 0xFF;
2864 CDB[7] = (io->size >> 8) & 0xFF;
2865 CDB[8] = io->size & 0xFF;
2866 timeout = 10;
2867 break;
2868
2869 case RESERVE:
2870 cmdLen = 6;
2871 dir = MPI_SCSIIO_CONTROL_READ;
2872 CDB[0] = cmd;
2873 timeout = 10;
2874 break;
2875
2876 case RELEASE:
2877 cmdLen = 6;
2878 dir = MPI_SCSIIO_CONTROL_READ;
2879 CDB[0] = cmd;
2880 timeout = 10;
2881 break;
2882
2883 case SYNCHRONIZE_CACHE:
2884 cmdLen = 10;
2885 dir = MPI_SCSIIO_CONTROL_READ;
2886 CDB[0] = cmd;
2887// CDB[1] = 0x02; /* set immediate bit */
2888 timeout = 10;
2889 break;
2890
2891 default:
2892 /* Error Case */
2893 ret = -EFAULT;
2894 goto out;
2895 }
2896
2897 /* Get and Populate a free Frame
2898 * MsgContext set in mpt_get_msg_frame call
2899 */
2900 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
2901 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2902 ioc->name, __func__));
2903 ret = MPT_SCANDV_BUSY;
2904 goto out;
2905 }
2906
2907 pScsiReq = (SCSIIORequest_t *) mf;
2908
2909 /* Get the request index */
2910 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2911 ADD_INDEX_LOG(my_idx); /* for debug */
2912
2913 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2914 pScsiReq->TargetID = io->physDiskNum;
2915 pScsiReq->Bus = 0;
2916 pScsiReq->ChainOffset = 0;
2917 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2918 } else {
2919 pScsiReq->TargetID = io->id;
2920 pScsiReq->Bus = io->channel;
2921 pScsiReq->ChainOffset = 0;
2922 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2923 }
2924
2925 pScsiReq->CDBLength = cmdLen;
2926 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2927
2928 pScsiReq->Reserved = 0;
2929
2930 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
2931 /* MsgContext set in mpt_get_msg_fram call */
2932
2933 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
2934
2935 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2936 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
2937 else
2938 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2939
2940 if (cmd == REQUEST_SENSE) {
2941 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2942 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2943 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
2944 }
2945
2946 for (ii = 0; ii < 16; ii++)
2947 pScsiReq->CDB[ii] = CDB[ii];
2948
2949 pScsiReq->DataLength = cpu_to_le32(io->size);
2950 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
2951 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
2952
2953 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2954 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n",
2955 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
2956
2957 if (dir == MPI_SCSIIO_CONTROL_READ)
2958 ioc->add_sge((char *) &pScsiReq->SGL,
2959 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
2960 else
2961 ioc->add_sge((char *) &pScsiReq->SGL,
2962 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
2963
2964 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
2965 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
2966 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
2967 timeout*HZ);
2968 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2969 ret = MPT_SCANDV_DID_RESET;
2970 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2971 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
2972 cmd));
2973 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
2974 mpt_free_msg_frame(ioc, mf);
2975 goto out;
2976 }
2977 if (!timeleft) {
2978 printk(MYIOC_s_WARN_FMT
2979 "Issuing Reset from %s!! doorbell=0x%08xh"
2980 " cmd=0x%02x\n",
2981 ioc->name, __func__, mpt_GetIocState(ioc, 0),
2982 cmd);
2983 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2984 mpt_free_msg_frame(ioc, mf);
2985 }
2986 goto out;
2987 }
2988
2989 ret = ioc->internal_cmds.completion_code;
2990 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
2991 ioc->name, __func__, ret));
2992
2993 out:
2994 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
2995 mutex_unlock(&ioc->internal_cmds.mutex);
2996 return ret;
2997}
2998
2999/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3000/**
3001 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3002 * @hd: Pointer to a SCSI HOST structure
3003 * @vdevice: virtual target device
3004 *
3005 * Uses the ISR, but with special processing.
3006 * MUST be single-threaded.
3007 *
3008 */
3009static void
3010mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3011{
3012 INTERNAL_CMD iocmd;
3013
3014 /* Ignore hidden raid components, this is handled when the command
3015 * is sent to the volume
3016 */
3017 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3018 return;
3019
3020 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3021 !vdevice->configured_lun)
3022 return;
3023
3024 /* Following parameters will not change
3025 * in this routine.
3026 */
3027 iocmd.cmd = SYNCHRONIZE_CACHE;
3028 iocmd.flags = 0;
3029 iocmd.physDiskNum = -1;
3030 iocmd.data = NULL;
3031 iocmd.data_dma = -1;
3032 iocmd.size = 0;
3033 iocmd.rsvd = iocmd.rsvd2 = 0;
3034 iocmd.channel = vdevice->vtarget->channel;
3035 iocmd.id = vdevice->vtarget->id;
3036 iocmd.lun = vdevice->lun;
3037
3038 mptscsih_do_cmd(hd, &iocmd);
3039}
3040
3041static ssize_t
3042mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3043 char *buf)
3044{
3045 struct Scsi_Host *host = class_to_shost(dev);
3046 MPT_SCSI_HOST *hd = shost_priv(host);
3047 MPT_ADAPTER *ioc = hd->ioc;
3048
3049 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3050 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3051 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3052 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3053 ioc->facts.FWVersion.Word & 0x000000FF);
3054}
3055static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3056
3057static ssize_t
3058mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3059 char *buf)
3060{
3061 struct Scsi_Host *host = class_to_shost(dev);
3062 MPT_SCSI_HOST *hd = shost_priv(host);
3063 MPT_ADAPTER *ioc = hd->ioc;
3064
3065 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3066 (ioc->biosVersion & 0xFF000000) >> 24,
3067 (ioc->biosVersion & 0x00FF0000) >> 16,
3068 (ioc->biosVersion & 0x0000FF00) >> 8,
3069 ioc->biosVersion & 0x000000FF);
3070}
3071static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3072
3073static ssize_t
3074mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3075 char *buf)
3076{
3077 struct Scsi_Host *host = class_to_shost(dev);
3078 MPT_SCSI_HOST *hd = shost_priv(host);
3079 MPT_ADAPTER *ioc = hd->ioc;
3080
3081 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3082}
3083static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3084
3085static ssize_t
3086mptscsih_version_product_show(struct device *dev,
3087 struct device_attribute *attr,
3088char *buf)
3089{
3090 struct Scsi_Host *host = class_to_shost(dev);
3091 MPT_SCSI_HOST *hd = shost_priv(host);
3092 MPT_ADAPTER *ioc = hd->ioc;
3093
3094 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3095}
3096static DEVICE_ATTR(version_product, S_IRUGO,
3097 mptscsih_version_product_show, NULL);
3098
3099static ssize_t
3100mptscsih_version_nvdata_persistent_show(struct device *dev,
3101 struct device_attribute *attr,
3102 char *buf)
3103{
3104 struct Scsi_Host *host = class_to_shost(dev);
3105 MPT_SCSI_HOST *hd = shost_priv(host);
3106 MPT_ADAPTER *ioc = hd->ioc;
3107
3108 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3109 ioc->nvdata_version_persistent);
3110}
3111static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3112 mptscsih_version_nvdata_persistent_show, NULL);
3113
3114static ssize_t
3115mptscsih_version_nvdata_default_show(struct device *dev,
3116 struct device_attribute *attr, char *buf)
3117{
3118 struct Scsi_Host *host = class_to_shost(dev);
3119 MPT_SCSI_HOST *hd = shost_priv(host);
3120 MPT_ADAPTER *ioc = hd->ioc;
3121
3122 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3123}
3124static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3125 mptscsih_version_nvdata_default_show, NULL);
3126
3127static ssize_t
3128mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3129 char *buf)
3130{
3131 struct Scsi_Host *host = class_to_shost(dev);
3132 MPT_SCSI_HOST *hd = shost_priv(host);
3133 MPT_ADAPTER *ioc = hd->ioc;
3134
3135 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3136}
3137static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3138
3139static ssize_t
3140mptscsih_board_assembly_show(struct device *dev,
3141 struct device_attribute *attr, char *buf)
3142{
3143 struct Scsi_Host *host = class_to_shost(dev);
3144 MPT_SCSI_HOST *hd = shost_priv(host);
3145 MPT_ADAPTER *ioc = hd->ioc;
3146
3147 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3148}
3149static DEVICE_ATTR(board_assembly, S_IRUGO,
3150 mptscsih_board_assembly_show, NULL);
3151
3152static ssize_t
3153mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3154 char *buf)
3155{
3156 struct Scsi_Host *host = class_to_shost(dev);
3157 MPT_SCSI_HOST *hd = shost_priv(host);
3158 MPT_ADAPTER *ioc = hd->ioc;
3159
3160 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3161}
3162static DEVICE_ATTR(board_tracer, S_IRUGO,
3163 mptscsih_board_tracer_show, NULL);
3164
3165static ssize_t
3166mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3167 char *buf)
3168{
3169 struct Scsi_Host *host = class_to_shost(dev);
3170 MPT_SCSI_HOST *hd = shost_priv(host);
3171 MPT_ADAPTER *ioc = hd->ioc;
3172
3173 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3174}
3175static DEVICE_ATTR(io_delay, S_IRUGO,
3176 mptscsih_io_delay_show, NULL);
3177
3178static ssize_t
3179mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3180 char *buf)
3181{
3182 struct Scsi_Host *host = class_to_shost(dev);
3183 MPT_SCSI_HOST *hd = shost_priv(host);
3184 MPT_ADAPTER *ioc = hd->ioc;
3185
3186 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3187}
3188static DEVICE_ATTR(device_delay, S_IRUGO,
3189 mptscsih_device_delay_show, NULL);
3190
3191static ssize_t
3192mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3193 char *buf)
3194{
3195 struct Scsi_Host *host = class_to_shost(dev);
3196 MPT_SCSI_HOST *hd = shost_priv(host);
3197 MPT_ADAPTER *ioc = hd->ioc;
3198
3199 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3200}
3201static ssize_t
3202mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3203 const char *buf, size_t count)
3204{
3205 struct Scsi_Host *host = class_to_shost(dev);
3206 MPT_SCSI_HOST *hd = shost_priv(host);
3207 MPT_ADAPTER *ioc = hd->ioc;
3208 int val = 0;
3209
3210 if (sscanf(buf, "%x", &val) != 1)
3211 return -EINVAL;
3212
3213 ioc->debug_level = val;
3214 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3215 ioc->name, ioc->debug_level);
3216 return strlen(buf);
3217}
3218static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3219 mptscsih_debug_level_show, mptscsih_debug_level_store);
3220
3221struct device_attribute *mptscsih_host_attrs[] = {
3222 &dev_attr_version_fw,
3223 &dev_attr_version_bios,
3224 &dev_attr_version_mpi,
3225 &dev_attr_version_product,
3226 &dev_attr_version_nvdata_persistent,
3227 &dev_attr_version_nvdata_default,
3228 &dev_attr_board_name,
3229 &dev_attr_board_assembly,
3230 &dev_attr_board_tracer,
3231 &dev_attr_io_delay,
3232 &dev_attr_device_delay,
3233 &dev_attr_debug_level,
3234 NULL,
3235};
3236
3237EXPORT_SYMBOL(mptscsih_host_attrs);
3238
3239EXPORT_SYMBOL(mptscsih_remove);
3240EXPORT_SYMBOL(mptscsih_shutdown);
3241#ifdef CONFIG_PM
3242EXPORT_SYMBOL(mptscsih_suspend);
3243EXPORT_SYMBOL(mptscsih_resume);
3244#endif
3245EXPORT_SYMBOL(mptscsih_show_info);
3246EXPORT_SYMBOL(mptscsih_info);
3247EXPORT_SYMBOL(mptscsih_qcmd);
3248EXPORT_SYMBOL(mptscsih_slave_destroy);
3249EXPORT_SYMBOL(mptscsih_slave_configure);
3250EXPORT_SYMBOL(mptscsih_abort);
3251EXPORT_SYMBOL(mptscsih_dev_reset);
3252EXPORT_SYMBOL(mptscsih_bus_reset);
3253EXPORT_SYMBOL(mptscsih_host_reset);
3254EXPORT_SYMBOL(mptscsih_bios_param);
3255EXPORT_SYMBOL(mptscsih_io_done);
3256EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3257EXPORT_SYMBOL(mptscsih_scandv_complete);
3258EXPORT_SYMBOL(mptscsih_event_process);
3259EXPORT_SYMBOL(mptscsih_ioc_reset);
3260EXPORT_SYMBOL(mptscsih_change_queue_depth);
3261
3262/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/