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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 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 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 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 mptscsih_shutdown(pdev);
1235 return mpt_suspend(pdev,state);
1236}
1237
1238/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1239/*
1240 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1241 *
1242 *
1243 */
1244int
1245mptscsih_resume(struct pci_dev *pdev)
1246{
1247 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1248 int rc;
1249
1250 rc = mpt_resume(pdev);
1251 scsi_unblock_requests(ioc->sh);
1252 return rc;
1253}
1254
1255#endif
1256
1257/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1258/**
1259 * mptscsih_info - Return information about MPT adapter
1260 * @SChost: Pointer to Scsi_Host structure
1261 *
1262 * (linux scsi_host_template.info routine)
1263 *
1264 * Returns pointer to buffer where information was written.
1265 */
1266const char *
1267mptscsih_info(struct Scsi_Host *SChost)
1268{
1269 MPT_SCSI_HOST *h;
1270 int size = 0;
1271
1272 h = shost_priv(SChost);
1273
1274 if (h->info_kbuf == NULL)
1275 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1276 return h->info_kbuf;
1277 h->info_kbuf[0] = '\0';
1278
1279 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1280 h->info_kbuf[size-1] = '\0';
1281
1282 return h->info_kbuf;
1283}
1284
1285int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host)
1286{
1287 MPT_SCSI_HOST *hd = shost_priv(host);
1288 MPT_ADAPTER *ioc = hd->ioc;
1289
1290 seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name);
1291 seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1292 seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts);
1293 seq_printf(m, "MaxQ=%d\n", ioc->req_depth);
1294
1295 return 0;
1296}
1297
1298/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1299#define ADD_INDEX_LOG(req_ent) do { } while(0)
1300
1301/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1302/**
1303 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1304 * @SCpnt: Pointer to scsi_cmnd structure
1305 *
1306 * (linux scsi_host_template.queuecommand routine)
1307 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1308 * from a linux scsi_cmnd request and send it to the IOC.
1309 *
1310 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1311 */
1312int
1313mptscsih_qcmd(struct scsi_cmnd *SCpnt)
1314{
1315 MPT_SCSI_HOST *hd;
1316 MPT_FRAME_HDR *mf;
1317 SCSIIORequest_t *pScsiReq;
1318 VirtDevice *vdevice = SCpnt->device->hostdata;
1319 u32 datalen;
1320 u32 scsictl;
1321 u32 scsidir;
1322 u32 cmd_len;
1323 int my_idx;
1324 int ii;
1325 MPT_ADAPTER *ioc;
1326
1327 hd = shost_priv(SCpnt->device->host);
1328 ioc = hd->ioc;
1329
1330 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p\n",
1331 ioc->name, SCpnt));
1332
1333 if (ioc->taskmgmt_quiesce_io)
1334 return SCSI_MLQUEUE_HOST_BUSY;
1335
1336 /*
1337 * Put together a MPT SCSI request...
1338 */
1339 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1340 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1341 ioc->name));
1342 return SCSI_MLQUEUE_HOST_BUSY;
1343 }
1344
1345 pScsiReq = (SCSIIORequest_t *) mf;
1346
1347 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1348
1349 ADD_INDEX_LOG(my_idx);
1350
1351 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1352 * Seems we may receive a buffer (datalen>0) even when there
1353 * will be no data transfer! GRRRRR...
1354 */
1355 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1356 datalen = scsi_bufflen(SCpnt);
1357 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1358 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1359 datalen = scsi_bufflen(SCpnt);
1360 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1361 } else {
1362 datalen = 0;
1363 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1364 }
1365
1366 /* Default to untagged. Once a target structure has been allocated,
1367 * use the Inquiry data to determine if device supports tagged.
1368 */
1369 if ((vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) &&
1370 SCpnt->device->tagged_supported)
1371 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1372 else
1373 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1374
1375
1376 /* Use the above information to set up the message frame
1377 */
1378 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1379 pScsiReq->Bus = vdevice->vtarget->channel;
1380 pScsiReq->ChainOffset = 0;
1381 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1382 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1383 else
1384 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1385 pScsiReq->CDBLength = SCpnt->cmd_len;
1386 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1387 pScsiReq->Reserved = 0;
1388 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1389 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1390 pScsiReq->Control = cpu_to_le32(scsictl);
1391
1392 /*
1393 * Write SCSI CDB into the message
1394 */
1395 cmd_len = SCpnt->cmd_len;
1396 for (ii=0; ii < cmd_len; ii++)
1397 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1398
1399 for (ii=cmd_len; ii < 16; ii++)
1400 pScsiReq->CDB[ii] = 0;
1401
1402 /* DataLength */
1403 pScsiReq->DataLength = cpu_to_le32(datalen);
1404
1405 /* SenseBuffer low address */
1406 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1407 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1408
1409 /* Now add the SG list
1410 * Always have a SGE even if null length.
1411 */
1412 if (datalen == 0) {
1413 /* Add a NULL SGE */
1414 ioc->add_sge((char *)&pScsiReq->SGL,
1415 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1416 (dma_addr_t) -1);
1417 } else {
1418 /* Add a 32 or 64 bit SGE */
1419 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1420 goto fail;
1421 }
1422
1423 SCpnt->host_scribble = (unsigned char *)mf;
1424 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1425
1426 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1427 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1428 ioc->name, SCpnt, mf, my_idx));
1429 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1430 return 0;
1431
1432 fail:
1433 mptscsih_freeChainBuffers(ioc, my_idx);
1434 mpt_free_msg_frame(ioc, mf);
1435 return SCSI_MLQUEUE_HOST_BUSY;
1436}
1437
1438/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1439/*
1440 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1441 * with a SCSI IO request
1442 * @hd: Pointer to the MPT_SCSI_HOST instance
1443 * @req_idx: Index of the SCSI IO request frame.
1444 *
1445 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1446 * No return.
1447 */
1448static void
1449mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1450{
1451 MPT_FRAME_HDR *chain;
1452 unsigned long flags;
1453 int chain_idx;
1454 int next;
1455
1456 /* Get the first chain index and reset
1457 * tracker state.
1458 */
1459 chain_idx = ioc->ReqToChain[req_idx];
1460 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1461
1462 while (chain_idx != MPT_HOST_NO_CHAIN) {
1463
1464 /* Save the next chain buffer index */
1465 next = ioc->ChainToChain[chain_idx];
1466
1467 /* Free this chain buffer and reset
1468 * tracker
1469 */
1470 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1471
1472 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1473 + (chain_idx * ioc->req_sz));
1474
1475 spin_lock_irqsave(&ioc->FreeQlock, flags);
1476 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1477 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1478
1479 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1480 ioc->name, chain_idx));
1481
1482 /* handle next */
1483 chain_idx = next;
1484 }
1485 return;
1486}
1487
1488/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1489/*
1490 * Reset Handling
1491 */
1492
1493/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1494/**
1495 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1496 * @hd: Pointer to MPT_SCSI_HOST structure
1497 * @type: Task Management type
1498 * @channel: channel number for task management
1499 * @id: Logical Target ID for reset (if appropriate)
1500 * @lun: Logical Unit for reset (if appropriate)
1501 * @ctx2abort: Context for the task to be aborted (if appropriate)
1502 * @timeout: timeout for task management control
1503 *
1504 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1505 * or a non-interrupt thread. In the former, must not call schedule().
1506 *
1507 * Not all fields are meaningfull for all task types.
1508 *
1509 * Returns 0 for SUCCESS, or FAILED.
1510 *
1511 **/
1512int
1513mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, u64 lun,
1514 int ctx2abort, ulong timeout)
1515{
1516 MPT_FRAME_HDR *mf;
1517 SCSITaskMgmt_t *pScsiTm;
1518 int ii;
1519 int retval;
1520 MPT_ADAPTER *ioc = hd->ioc;
1521 u8 issue_hard_reset;
1522 u32 ioc_raw_state;
1523 unsigned long time_count;
1524
1525 issue_hard_reset = 0;
1526 ioc_raw_state = mpt_GetIocState(ioc, 0);
1527
1528 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1529 printk(MYIOC_s_WARN_FMT
1530 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1531 ioc->name, type, ioc_raw_state);
1532 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1533 ioc->name, __func__);
1534 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1535 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1536 "FAILED!!\n", ioc->name);
1537 return 0;
1538 }
1539
1540 /* DOORBELL ACTIVE check is not required if
1541 * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported.
1542 */
1543
1544 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
1545 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
1546 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
1547 printk(MYIOC_s_WARN_FMT
1548 "TaskMgmt type=%x: ioc_state: "
1549 "DOORBELL_ACTIVE (0x%x)!\n",
1550 ioc->name, type, ioc_raw_state);
1551 return FAILED;
1552 }
1553
1554 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1555 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1556 mf = NULL;
1557 retval = FAILED;
1558 goto out;
1559 }
1560
1561 /* Return Fail to calling function if no message frames available.
1562 */
1563 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1564 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1565 "TaskMgmt no msg frames!!\n", ioc->name));
1566 retval = FAILED;
1567 mpt_clear_taskmgmt_in_progress_flag(ioc);
1568 goto out;
1569 }
1570 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
1571 ioc->name, mf));
1572
1573 /* Format the Request
1574 */
1575 pScsiTm = (SCSITaskMgmt_t *) mf;
1576 pScsiTm->TargetID = id;
1577 pScsiTm->Bus = channel;
1578 pScsiTm->ChainOffset = 0;
1579 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1580
1581 pScsiTm->Reserved = 0;
1582 pScsiTm->TaskType = type;
1583 pScsiTm->Reserved1 = 0;
1584 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1585 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1586
1587 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1588
1589 for (ii=0; ii < 7; ii++)
1590 pScsiTm->Reserved2[ii] = 0;
1591
1592 pScsiTm->TaskMsgContext = ctx2abort;
1593
1594 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1595 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1596 type, timeout));
1597
1598 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1599
1600 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1601 time_count = jiffies;
1602 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1603 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1604 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1605 else {
1606 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1607 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1608 if (retval) {
1609 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1610 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1611 ioc->name, mf, retval));
1612 mpt_free_msg_frame(ioc, mf);
1613 mpt_clear_taskmgmt_in_progress_flag(ioc);
1614 goto out;
1615 }
1616 }
1617
1618 wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1619 timeout*HZ);
1620 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1621 retval = FAILED;
1622 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1623 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1624 mpt_clear_taskmgmt_in_progress_flag(ioc);
1625 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1626 goto out;
1627 issue_hard_reset = 1;
1628 goto out;
1629 }
1630
1631 retval = mptscsih_taskmgmt_reply(ioc, type,
1632 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
1633
1634 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1635 "TaskMgmt completed (%d seconds)\n",
1636 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1637
1638 out:
1639
1640 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1641 if (issue_hard_reset) {
1642 printk(MYIOC_s_WARN_FMT
1643 "Issuing Reset from %s!! doorbell=0x%08x\n",
1644 ioc->name, __func__, mpt_GetIocState(ioc, 0));
1645 retval = (ioc->bus_type == SAS) ?
1646 mpt_HardResetHandler(ioc, CAN_SLEEP) :
1647 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1648 mpt_free_msg_frame(ioc, mf);
1649 }
1650
1651 retval = (retval == 0) ? 0 : FAILED;
1652 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1653 return retval;
1654}
1655EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1656
1657static int
1658mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1659{
1660 switch (ioc->bus_type) {
1661 case FC:
1662 return 40;
1663 case SAS:
1664 return 30;
1665 case SPI:
1666 default:
1667 return 10;
1668 }
1669}
1670
1671/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1672/**
1673 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1674 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1675 *
1676 * (linux scsi_host_template.eh_abort_handler routine)
1677 *
1678 * Returns SUCCESS or FAILED.
1679 **/
1680int
1681mptscsih_abort(struct scsi_cmnd * SCpnt)
1682{
1683 MPT_SCSI_HOST *hd;
1684 MPT_FRAME_HDR *mf;
1685 u32 ctx2abort;
1686 int scpnt_idx;
1687 int retval;
1688 VirtDevice *vdevice;
1689 MPT_ADAPTER *ioc;
1690
1691 /* If we can't locate our host adapter structure, return FAILED status.
1692 */
1693 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1694 SCpnt->result = DID_RESET << 16;
1695 scsi_done(SCpnt);
1696 printk(KERN_ERR MYNAM ": task abort: "
1697 "can't locate host! (sc=%p)\n", SCpnt);
1698 return FAILED;
1699 }
1700
1701 ioc = hd->ioc;
1702 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1703 ioc->name, SCpnt);
1704 scsi_print_command(SCpnt);
1705
1706 vdevice = SCpnt->device->hostdata;
1707 if (!vdevice || !vdevice->vtarget) {
1708 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1709 "task abort: device has been deleted (sc=%p)\n",
1710 ioc->name, SCpnt));
1711 SCpnt->result = DID_NO_CONNECT << 16;
1712 scsi_done(SCpnt);
1713 retval = SUCCESS;
1714 goto out;
1715 }
1716
1717 /* Task aborts are not supported for hidden raid components.
1718 */
1719 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1720 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1721 "task abort: hidden raid component (sc=%p)\n",
1722 ioc->name, SCpnt));
1723 SCpnt->result = DID_RESET << 16;
1724 retval = FAILED;
1725 goto out;
1726 }
1727
1728 /* Task aborts are not supported for volumes.
1729 */
1730 if (vdevice->vtarget->raidVolume) {
1731 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1732 "task abort: raid volume (sc=%p)\n",
1733 ioc->name, SCpnt));
1734 SCpnt->result = DID_RESET << 16;
1735 retval = FAILED;
1736 goto out;
1737 }
1738
1739 /* Find this command
1740 */
1741 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1742 /* Cmd not found in ScsiLookup.
1743 * Do OS callback.
1744 */
1745 SCpnt->result = DID_RESET << 16;
1746 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1747 "Command not in the active list! (sc=%p)\n", ioc->name,
1748 SCpnt));
1749 retval = SUCCESS;
1750 goto out;
1751 }
1752
1753 if (ioc->timeouts < -1)
1754 ioc->timeouts++;
1755
1756 if (mpt_fwfault_debug)
1757 mpt_halt_firmware(ioc);
1758
1759 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1760 * (the IO to be ABORT'd)
1761 *
1762 * NOTE: Since we do not byteswap MsgContext, we do not
1763 * swap it here either. It is an opaque cookie to
1764 * the controller, so it does not matter. -DaveM
1765 */
1766 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1767 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1768 retval = mptscsih_IssueTaskMgmt(hd,
1769 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1770 vdevice->vtarget->channel,
1771 vdevice->vtarget->id, vdevice->lun,
1772 ctx2abort, mptscsih_get_tm_timeout(ioc));
1773
1774 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
1775 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1776 "task abort: command still in active list! (sc=%p)\n",
1777 ioc->name, SCpnt));
1778 retval = FAILED;
1779 } else {
1780 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1781 "task abort: command cleared from active list! (sc=%p)\n",
1782 ioc->name, SCpnt));
1783 retval = SUCCESS;
1784 }
1785
1786 out:
1787 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
1788 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
1789 SCpnt);
1790
1791 return retval;
1792}
1793
1794/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1795/**
1796 * mptscsih_dev_reset - Perform a SCSI LOGICAL_UNIT_RESET!
1797 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1798 *
1799 * (linux scsi_host_template.eh_dev_reset_handler routine)
1800 *
1801 * Returns SUCCESS or FAILED.
1802 **/
1803int
1804mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1805{
1806 MPT_SCSI_HOST *hd;
1807 int retval;
1808 VirtDevice *vdevice;
1809 MPT_ADAPTER *ioc;
1810
1811 /* If we can't locate our host adapter structure, return FAILED status.
1812 */
1813 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1814 printk(KERN_ERR MYNAM ": lun reset: "
1815 "Can't locate host! (sc=%p)\n", SCpnt);
1816 return FAILED;
1817 }
1818
1819 ioc = hd->ioc;
1820 printk(MYIOC_s_INFO_FMT "attempting lun reset! (sc=%p)\n",
1821 ioc->name, SCpnt);
1822 scsi_print_command(SCpnt);
1823
1824 vdevice = SCpnt->device->hostdata;
1825 if (!vdevice || !vdevice->vtarget) {
1826 retval = 0;
1827 goto out;
1828 }
1829
1830 retval = mptscsih_IssueTaskMgmt(hd,
1831 MPI_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET,
1832 vdevice->vtarget->channel,
1833 vdevice->vtarget->id, vdevice->lun, 0,
1834 mptscsih_get_tm_timeout(ioc));
1835
1836 out:
1837 printk (MYIOC_s_INFO_FMT "lun reset: %s (sc=%p)\n",
1838 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1839
1840 if (retval == 0)
1841 return SUCCESS;
1842 else
1843 return FAILED;
1844}
1845
1846/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1847/**
1848 * mptscsih_target_reset - Perform a SCSI TARGET_RESET!
1849 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1850 *
1851 * (linux scsi_host_template.eh_target_reset_handler routine)
1852 *
1853 * Returns SUCCESS or FAILED.
1854 **/
1855int
1856mptscsih_target_reset(struct scsi_cmnd * SCpnt)
1857{
1858 MPT_SCSI_HOST *hd;
1859 int retval;
1860 VirtDevice *vdevice;
1861 MPT_ADAPTER *ioc;
1862
1863 /* If we can't locate our host adapter structure, return FAILED status.
1864 */
1865 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1866 printk(KERN_ERR MYNAM ": target reset: "
1867 "Can't locate host! (sc=%p)\n", SCpnt);
1868 return FAILED;
1869 }
1870
1871 ioc = hd->ioc;
1872 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1873 ioc->name, SCpnt);
1874 scsi_print_command(SCpnt);
1875
1876 vdevice = SCpnt->device->hostdata;
1877 if (!vdevice || !vdevice->vtarget) {
1878 retval = 0;
1879 goto out;
1880 }
1881
1882 /* Target reset to hidden raid component is not supported
1883 */
1884 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1885 retval = FAILED;
1886 goto out;
1887 }
1888
1889 retval = mptscsih_IssueTaskMgmt(hd,
1890 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1891 vdevice->vtarget->channel,
1892 vdevice->vtarget->id, 0, 0,
1893 mptscsih_get_tm_timeout(ioc));
1894
1895 out:
1896 printk (MYIOC_s_INFO_FMT "target 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/**
1908 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1909 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1910 *
1911 * (linux scsi_host_template.eh_bus_reset_handler routine)
1912 *
1913 * Returns SUCCESS or FAILED.
1914 **/
1915int
1916mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1917{
1918 MPT_SCSI_HOST *hd;
1919 int retval;
1920 VirtDevice *vdevice;
1921 MPT_ADAPTER *ioc;
1922
1923 /* If we can't locate our host adapter structure, return FAILED status.
1924 */
1925 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1926 printk(KERN_ERR MYNAM ": bus reset: "
1927 "Can't locate host! (sc=%p)\n", SCpnt);
1928 return FAILED;
1929 }
1930
1931 ioc = hd->ioc;
1932 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1933 ioc->name, SCpnt);
1934 scsi_print_command(SCpnt);
1935
1936 if (ioc->timeouts < -1)
1937 ioc->timeouts++;
1938
1939 vdevice = SCpnt->device->hostdata;
1940 if (!vdevice || !vdevice->vtarget)
1941 return SUCCESS;
1942 retval = mptscsih_IssueTaskMgmt(hd,
1943 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1944 vdevice->vtarget->channel, 0, 0, 0,
1945 mptscsih_get_tm_timeout(ioc));
1946
1947 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1948 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1949
1950 if (retval == 0)
1951 return SUCCESS;
1952 else
1953 return FAILED;
1954}
1955
1956/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1957/**
1958 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1959 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1960 *
1961 * (linux scsi_host_template.eh_host_reset_handler routine)
1962 *
1963 * Returns SUCCESS or FAILED.
1964 */
1965int
1966mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1967{
1968 MPT_SCSI_HOST * hd;
1969 int status = SUCCESS;
1970 MPT_ADAPTER *ioc;
1971 int retval;
1972
1973 /* If we can't locate the host to reset, then we failed. */
1974 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1975 printk(KERN_ERR MYNAM ": host reset: "
1976 "Can't locate host! (sc=%p)\n", SCpnt);
1977 return FAILED;
1978 }
1979
1980 /* make sure we have no outstanding commands at this stage */
1981 mptscsih_flush_running_cmds(hd);
1982
1983 ioc = hd->ioc;
1984 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1985 ioc->name, SCpnt);
1986
1987 /* If our attempts to reset the host failed, then return a failed
1988 * status. The host will be taken off line by the SCSI mid-layer.
1989 */
1990 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1991 if (retval < 0)
1992 status = FAILED;
1993 else
1994 status = SUCCESS;
1995
1996 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1997 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1998
1999 return status;
2000}
2001
2002static int
2003mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
2004 SCSITaskMgmtReply_t *pScsiTmReply)
2005{
2006 u16 iocstatus;
2007 u32 termination_count;
2008 int retval;
2009
2010 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
2011 retval = FAILED;
2012 goto out;
2013 }
2014
2015 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
2016
2017 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2018 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
2019
2020 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2021 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
2022 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
2023 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
2024 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
2025 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
2026 termination_count));
2027
2028 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
2029 pScsiTmReply->ResponseCode)
2030 mptscsih_taskmgmt_response_code(ioc,
2031 pScsiTmReply->ResponseCode);
2032
2033 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
2034 retval = 0;
2035 goto out;
2036 }
2037
2038 retval = FAILED;
2039 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
2040 if (termination_count == 1)
2041 retval = 0;
2042 goto out;
2043 }
2044
2045 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
2046 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2047 retval = 0;
2048
2049 out:
2050 return retval;
2051}
2052
2053/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2054void
2055mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2056{
2057 char *desc;
2058
2059 switch (response_code) {
2060 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2061 desc = "The task completed.";
2062 break;
2063 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2064 desc = "The IOC received an invalid frame status.";
2065 break;
2066 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2067 desc = "The task type is not supported.";
2068 break;
2069 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2070 desc = "The requested task failed.";
2071 break;
2072 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2073 desc = "The task completed successfully.";
2074 break;
2075 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2076 desc = "The LUN request is invalid.";
2077 break;
2078 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2079 desc = "The task is in the IOC queue and has not been sent to target.";
2080 break;
2081 default:
2082 desc = "unknown";
2083 break;
2084 }
2085 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2086 ioc->name, response_code, desc);
2087}
2088EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
2089
2090/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2091/**
2092 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2093 * @ioc: Pointer to MPT_ADAPTER structure
2094 * @mf: Pointer to SCSI task mgmt request frame
2095 * @mr: Pointer to SCSI task mgmt reply frame
2096 *
2097 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2098 * of any SCSI task management request.
2099 * This routine is registered with the MPT (base) driver at driver
2100 * load/init time via the mpt_register() API call.
2101 *
2102 * Returns 1 indicating alloc'd request frame ptr should be freed.
2103 **/
2104int
2105mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2106 MPT_FRAME_HDR *mr)
2107{
2108 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2109 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
2110
2111 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2112
2113 if (!mr)
2114 goto out;
2115
2116 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2117 memcpy(ioc->taskmgmt_cmds.reply, mr,
2118 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
2119 out:
2120 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2121 mpt_clear_taskmgmt_in_progress_flag(ioc);
2122 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2123 complete(&ioc->taskmgmt_cmds.done);
2124 if (ioc->bus_type == SAS)
2125 ioc->schedule_target_reset(ioc);
2126 return 1;
2127 }
2128 return 0;
2129}
2130
2131/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2132/*
2133 * This is anyones guess quite frankly.
2134 */
2135int
2136mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2137 sector_t capacity, int geom[])
2138{
2139 int heads;
2140 int sectors;
2141 sector_t cylinders;
2142 ulong dummy;
2143
2144 heads = 64;
2145 sectors = 32;
2146
2147 dummy = heads * sectors;
2148 cylinders = capacity;
2149 sector_div(cylinders,dummy);
2150
2151 /*
2152 * Handle extended translation size for logical drives
2153 * > 1Gb
2154 */
2155 if ((ulong)capacity >= 0x200000) {
2156 heads = 255;
2157 sectors = 63;
2158 dummy = heads * sectors;
2159 cylinders = capacity;
2160 sector_div(cylinders,dummy);
2161 }
2162
2163 /* return result */
2164 geom[0] = heads;
2165 geom[1] = sectors;
2166 geom[2] = cylinders;
2167
2168 return 0;
2169}
2170
2171/* Search IOC page 3 to determine if this is hidden physical disk
2172 *
2173 */
2174int
2175mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2176{
2177 struct inactive_raid_component_info *component_info;
2178 int i, j;
2179 RaidPhysDiskPage1_t *phys_disk;
2180 int rc = 0;
2181 int num_paths;
2182
2183 if (!ioc->raid_data.pIocPg3)
2184 goto out;
2185 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2186 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2187 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2188 rc = 1;
2189 goto out;
2190 }
2191 }
2192
2193 if (ioc->bus_type != SAS)
2194 goto out;
2195
2196 /*
2197 * Check if dual path
2198 */
2199 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2200 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2201 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2202 if (num_paths < 2)
2203 continue;
2204 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2205 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2206 if (!phys_disk)
2207 continue;
2208 if ((mpt_raid_phys_disk_pg1(ioc,
2209 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2210 phys_disk))) {
2211 kfree(phys_disk);
2212 continue;
2213 }
2214 for (j = 0; j < num_paths; j++) {
2215 if ((phys_disk->Path[j].Flags &
2216 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2217 continue;
2218 if ((phys_disk->Path[j].Flags &
2219 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2220 continue;
2221 if ((id == phys_disk->Path[j].PhysDiskID) &&
2222 (channel == phys_disk->Path[j].PhysDiskBus)) {
2223 rc = 1;
2224 kfree(phys_disk);
2225 goto out;
2226 }
2227 }
2228 kfree(phys_disk);
2229 }
2230
2231
2232 /*
2233 * Check inactive list for matching phys disks
2234 */
2235 if (list_empty(&ioc->raid_data.inactive_list))
2236 goto out;
2237
2238 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2239 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2240 list) {
2241 if ((component_info->d.PhysDiskID == id) &&
2242 (component_info->d.PhysDiskBus == channel))
2243 rc = 1;
2244 }
2245 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2246
2247 out:
2248 return rc;
2249}
2250EXPORT_SYMBOL(mptscsih_is_phys_disk);
2251
2252u8
2253mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2254{
2255 struct inactive_raid_component_info *component_info;
2256 int i, j;
2257 RaidPhysDiskPage1_t *phys_disk;
2258 int rc = -ENXIO;
2259 int num_paths;
2260
2261 if (!ioc->raid_data.pIocPg3)
2262 goto out;
2263 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2264 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2265 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2266 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2267 goto out;
2268 }
2269 }
2270
2271 if (ioc->bus_type != SAS)
2272 goto out;
2273
2274 /*
2275 * Check if dual path
2276 */
2277 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2278 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2279 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2280 if (num_paths < 2)
2281 continue;
2282 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2283 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2284 if (!phys_disk)
2285 continue;
2286 if ((mpt_raid_phys_disk_pg1(ioc,
2287 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2288 phys_disk))) {
2289 kfree(phys_disk);
2290 continue;
2291 }
2292 for (j = 0; j < num_paths; j++) {
2293 if ((phys_disk->Path[j].Flags &
2294 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2295 continue;
2296 if ((phys_disk->Path[j].Flags &
2297 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2298 continue;
2299 if ((id == phys_disk->Path[j].PhysDiskID) &&
2300 (channel == phys_disk->Path[j].PhysDiskBus)) {
2301 rc = phys_disk->PhysDiskNum;
2302 kfree(phys_disk);
2303 goto out;
2304 }
2305 }
2306 kfree(phys_disk);
2307 }
2308
2309 /*
2310 * Check inactive list for matching phys disks
2311 */
2312 if (list_empty(&ioc->raid_data.inactive_list))
2313 goto out;
2314
2315 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2316 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2317 list) {
2318 if ((component_info->d.PhysDiskID == id) &&
2319 (component_info->d.PhysDiskBus == channel))
2320 rc = component_info->d.PhysDiskNum;
2321 }
2322 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2323
2324 out:
2325 return rc;
2326}
2327EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2328
2329/*
2330 * OS entry point to allow for host driver to free allocated memory
2331 * Called if no device present or device being unloaded
2332 */
2333void
2334mptscsih_slave_destroy(struct scsi_device *sdev)
2335{
2336 struct Scsi_Host *host = sdev->host;
2337 MPT_SCSI_HOST *hd = shost_priv(host);
2338 VirtTarget *vtarget;
2339 VirtDevice *vdevice;
2340 struct scsi_target *starget;
2341
2342 starget = scsi_target(sdev);
2343 vtarget = starget->hostdata;
2344 vdevice = sdev->hostdata;
2345 if (!vdevice)
2346 return;
2347
2348 mptscsih_search_running_cmds(hd, vdevice);
2349 vtarget->num_luns--;
2350 mptscsih_synchronize_cache(hd, vdevice);
2351 kfree(vdevice);
2352 sdev->hostdata = NULL;
2353}
2354
2355/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2356/*
2357 * mptscsih_change_queue_depth - This function will set a devices queue depth
2358 * @sdev: per scsi_device pointer
2359 * @qdepth: requested queue depth
2360 *
2361 * Adding support for new 'change_queue_depth' api.
2362*/
2363int
2364mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
2365{
2366 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2367 VirtTarget *vtarget;
2368 struct scsi_target *starget;
2369 int max_depth;
2370 MPT_ADAPTER *ioc = hd->ioc;
2371
2372 starget = scsi_target(sdev);
2373 vtarget = starget->hostdata;
2374
2375 if (ioc->bus_type == SPI) {
2376 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2377 max_depth = 1;
2378 else if (sdev->type == TYPE_DISK &&
2379 vtarget->minSyncFactor <= MPT_ULTRA160)
2380 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2381 else
2382 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2383 } else
2384 max_depth = ioc->sh->can_queue;
2385
2386 if (!sdev->tagged_supported)
2387 max_depth = 1;
2388
2389 if (qdepth > max_depth)
2390 qdepth = max_depth;
2391
2392 return scsi_change_queue_depth(sdev, qdepth);
2393}
2394
2395/*
2396 * OS entry point to adjust the queue_depths on a per-device basis.
2397 * Called once per device the bus scan. Use it to force the queue_depth
2398 * member to 1 if a device does not support Q tags.
2399 * Return non-zero if fails.
2400 */
2401int
2402mptscsih_slave_configure(struct scsi_device *sdev)
2403{
2404 struct Scsi_Host *sh = sdev->host;
2405 VirtTarget *vtarget;
2406 VirtDevice *vdevice;
2407 struct scsi_target *starget;
2408 MPT_SCSI_HOST *hd = shost_priv(sh);
2409 MPT_ADAPTER *ioc = hd->ioc;
2410
2411 starget = scsi_target(sdev);
2412 vtarget = starget->hostdata;
2413 vdevice = sdev->hostdata;
2414
2415 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2416 "device @ %p, channel=%d, id=%d, lun=%llu\n",
2417 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2418 if (ioc->bus_type == SPI)
2419 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2420 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2421 ioc->name, sdev->sdtr, sdev->wdtr,
2422 sdev->ppr, sdev->inquiry_len));
2423
2424 vdevice->configured_lun = 1;
2425
2426 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2427 "Queue depth=%d, tflags=%x\n",
2428 ioc->name, sdev->queue_depth, vtarget->tflags));
2429
2430 if (ioc->bus_type == SPI)
2431 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2432 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2433 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2434 vtarget->minSyncFactor));
2435
2436 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
2437 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2438 "tagged %d, simple %d\n",
2439 ioc->name,sdev->tagged_supported, sdev->simple_tags));
2440
2441 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2442
2443 return 0;
2444}
2445
2446/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2447/*
2448 * Private routines...
2449 */
2450
2451/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2452/* Utility function to copy sense data from the scsi_cmnd buffer
2453 * to the FC and SCSI target structures.
2454 *
2455 */
2456static void
2457mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2458{
2459 VirtDevice *vdevice;
2460 SCSIIORequest_t *pReq;
2461 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2462 MPT_ADAPTER *ioc = hd->ioc;
2463
2464 /* Get target structure
2465 */
2466 pReq = (SCSIIORequest_t *) mf;
2467 vdevice = sc->device->hostdata;
2468
2469 if (sense_count) {
2470 u8 *sense_data;
2471 int req_index;
2472
2473 /* Copy the sense received into the scsi command block. */
2474 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2475 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2476 memcpy(sc->sense_buffer, sense_data, MPT_SENSE_BUFFER_ALLOC);
2477
2478 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2479 */
2480 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2481 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2482 int idx;
2483
2484 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2485 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2486 ioc->events[idx].eventContext = ioc->eventContext;
2487
2488 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2489 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2490 (sc->device->channel << 8) | sc->device->id;
2491
2492 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2493
2494 ioc->eventContext++;
2495 if (ioc->pcidev->vendor ==
2496 PCI_VENDOR_ID_IBM) {
2497 mptscsih_issue_sep_command(ioc,
2498 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2499 vdevice->vtarget->tflags |=
2500 MPT_TARGET_FLAGS_LED_ON;
2501 }
2502 }
2503 }
2504 } else {
2505 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2506 ioc->name));
2507 }
2508}
2509
2510/**
2511 * mptscsih_get_scsi_lookup - retrieves scmd entry
2512 * @ioc: Pointer to MPT_ADAPTER structure
2513 * @i: index into the array
2514 *
2515 * Returns the scsi_cmd pointer
2516 */
2517struct scsi_cmnd *
2518mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2519{
2520 unsigned long flags;
2521 struct scsi_cmnd *scmd;
2522
2523 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2524 scmd = ioc->ScsiLookup[i];
2525 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2526
2527 return scmd;
2528}
2529EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
2530
2531/**
2532 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2533 * @ioc: Pointer to MPT_ADAPTER structure
2534 * @i: index into the array
2535 *
2536 * Returns the scsi_cmd pointer
2537 *
2538 **/
2539static struct scsi_cmnd *
2540mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2541{
2542 unsigned long flags;
2543 struct scsi_cmnd *scmd;
2544
2545 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2546 scmd = ioc->ScsiLookup[i];
2547 ioc->ScsiLookup[i] = NULL;
2548 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2549
2550 return scmd;
2551}
2552
2553/**
2554 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
2555 *
2556 * @ioc: Pointer to MPT_ADAPTER structure
2557 * @i: index into the array
2558 * @scmd: scsi_cmnd pointer
2559 *
2560 **/
2561static void
2562mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2563{
2564 unsigned long flags;
2565
2566 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2567 ioc->ScsiLookup[i] = scmd;
2568 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2569}
2570
2571/**
2572 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2573 * @ioc: Pointer to MPT_ADAPTER structure
2574 * @sc: scsi_cmnd pointer
2575 */
2576static int
2577SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2578{
2579 unsigned long flags;
2580 int i, index=-1;
2581
2582 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2583 for (i = 0; i < ioc->req_depth; i++) {
2584 if (ioc->ScsiLookup[i] == sc) {
2585 index = i;
2586 goto out;
2587 }
2588 }
2589
2590 out:
2591 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2592 return index;
2593}
2594
2595/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2596int
2597mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2598{
2599 MPT_SCSI_HOST *hd;
2600
2601 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2602 return 0;
2603
2604 hd = shost_priv(ioc->sh);
2605 switch (reset_phase) {
2606 case MPT_IOC_SETUP_RESET:
2607 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2608 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
2609 break;
2610 case MPT_IOC_PRE_RESET:
2611 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2612 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
2613 mptscsih_flush_running_cmds(hd);
2614 break;
2615 case MPT_IOC_POST_RESET:
2616 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2617 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2618 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2619 ioc->internal_cmds.status |=
2620 MPT_MGMT_STATUS_DID_IOCRESET;
2621 complete(&ioc->internal_cmds.done);
2622 }
2623 break;
2624 default:
2625 break;
2626 }
2627 return 1; /* currently means nothing really */
2628}
2629
2630/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2631int
2632mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2633{
2634 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2635
2636 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2637 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2638 ioc->name, event));
2639
2640 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2641 event == MPI_EVENT_EXT_BUS_RESET) &&
2642 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2643 ioc->soft_resets++;
2644
2645 return 1; /* currently means nothing really */
2646}
2647
2648/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2649/*
2650 * Bus Scan and Domain Validation functionality ...
2651 */
2652
2653/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2654/*
2655 * mptscsih_scandv_complete - Scan and DV callback routine registered
2656 * to Fustion MPT (base) driver.
2657 *
2658 * @ioc: Pointer to MPT_ADAPTER structure
2659 * @mf: Pointer to original MPT request frame
2660 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2661 *
2662 * This routine is called from mpt.c::mpt_interrupt() at the completion
2663 * of any SCSI IO request.
2664 * This routine is registered with the Fusion MPT (base) driver at driver
2665 * load/init time via the mpt_register() API call.
2666 *
2667 * Returns 1 indicating alloc'd request frame ptr should be freed.
2668 *
2669 * Remark: Sets a completion code and (possibly) saves sense data
2670 * in the IOC member localReply structure.
2671 * Used ONLY for DV and other internal commands.
2672 */
2673int
2674mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2675 MPT_FRAME_HDR *reply)
2676{
2677 SCSIIORequest_t *pReq;
2678 SCSIIOReply_t *pReply;
2679 u8 cmd;
2680 u16 req_idx;
2681 u8 *sense_data;
2682 int sz;
2683
2684 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2685 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2686 if (!reply)
2687 goto out;
2688
2689 pReply = (SCSIIOReply_t *) reply;
2690 pReq = (SCSIIORequest_t *) req;
2691 ioc->internal_cmds.completion_code =
2692 mptscsih_get_completion_code(ioc, req, reply);
2693 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2694 memcpy(ioc->internal_cmds.reply, reply,
2695 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2696 cmd = reply->u.hdr.Function;
2697 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2698 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2699 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2700 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2701 sense_data = ((u8 *)ioc->sense_buf_pool +
2702 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2703 sz = min_t(int, pReq->SenseBufferLength,
2704 MPT_SENSE_BUFFER_ALLOC);
2705 memcpy(ioc->internal_cmds.sense, sense_data, sz);
2706 }
2707 out:
2708 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2709 return 0;
2710 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2711 complete(&ioc->internal_cmds.done);
2712 return 1;
2713}
2714
2715
2716/**
2717 * mptscsih_get_completion_code - get completion code from MPT request
2718 * @ioc: Pointer to MPT_ADAPTER structure
2719 * @req: Pointer to original MPT request frame
2720 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
2721 *
2722 **/
2723static int
2724mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2725 MPT_FRAME_HDR *reply)
2726{
2727 SCSIIOReply_t *pReply;
2728 MpiRaidActionReply_t *pr;
2729 u8 scsi_status;
2730 u16 status;
2731 int completion_code;
2732
2733 pReply = (SCSIIOReply_t *)reply;
2734 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2735 scsi_status = pReply->SCSIStatus;
2736
2737 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2738 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2739 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2740 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2741
2742 switch (status) {
2743
2744 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2745 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2746 break;
2747
2748 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2749 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2750 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2751 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2752 completion_code = MPT_SCANDV_DID_RESET;
2753 break;
2754
2755 case MPI_IOCSTATUS_BUSY:
2756 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2757 completion_code = MPT_SCANDV_BUSY;
2758 break;
2759
2760 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2761 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2762 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2763 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2764 completion_code = MPT_SCANDV_GOOD;
2765 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2766 pr = (MpiRaidActionReply_t *)reply;
2767 if (le16_to_cpu(pr->ActionStatus) ==
2768 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2769 completion_code = MPT_SCANDV_GOOD;
2770 else
2771 completion_code = MPT_SCANDV_SOME_ERROR;
2772 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2773 completion_code = MPT_SCANDV_SENSE;
2774 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2775 if (req->u.scsireq.CDB[0] == INQUIRY)
2776 completion_code = MPT_SCANDV_ISSUE_SENSE;
2777 else
2778 completion_code = MPT_SCANDV_DID_RESET;
2779 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2780 completion_code = MPT_SCANDV_DID_RESET;
2781 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2782 completion_code = MPT_SCANDV_DID_RESET;
2783 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2784 completion_code = MPT_SCANDV_BUSY;
2785 else
2786 completion_code = MPT_SCANDV_GOOD;
2787 break;
2788
2789 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2790 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2791 completion_code = MPT_SCANDV_DID_RESET;
2792 else
2793 completion_code = MPT_SCANDV_SOME_ERROR;
2794 break;
2795 default:
2796 completion_code = MPT_SCANDV_SOME_ERROR;
2797 break;
2798
2799 } /* switch(status) */
2800
2801 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2802 " completionCode set to %08xh\n", ioc->name, completion_code));
2803 return completion_code;
2804}
2805
2806/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2807/**
2808 * mptscsih_do_cmd - Do internal command.
2809 * @hd: MPT_SCSI_HOST pointer
2810 * @io: INTERNAL_CMD pointer.
2811 *
2812 * Issue the specified internally generated command and do command
2813 * specific cleanup. For bus scan / DV only.
2814 * NOTES: If command is Inquiry and status is good,
2815 * initialize a target structure, save the data
2816 *
2817 * Remark: Single threaded access only.
2818 *
2819 * Return:
2820 * < 0 if an illegal command or no resources
2821 *
2822 * 0 if good
2823 *
2824 * > 0 if command complete but some type of completion error.
2825 */
2826static int
2827mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2828{
2829 MPT_FRAME_HDR *mf;
2830 SCSIIORequest_t *pScsiReq;
2831 int my_idx, ii, dir;
2832 int timeout;
2833 char cmdLen;
2834 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
2835 u8 cmd = io->cmd;
2836 MPT_ADAPTER *ioc = hd->ioc;
2837 int ret = 0;
2838 unsigned long timeleft;
2839 unsigned long flags;
2840
2841 /* don't send internal command during diag reset */
2842 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2843 if (ioc->ioc_reset_in_progress) {
2844 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2845 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2846 "%s: busy with host reset\n", ioc->name, __func__));
2847 return MPT_SCANDV_BUSY;
2848 }
2849 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2850
2851 mutex_lock(&ioc->internal_cmds.mutex);
2852
2853 /* Set command specific information
2854 */
2855 switch (cmd) {
2856 case INQUIRY:
2857 cmdLen = 6;
2858 dir = MPI_SCSIIO_CONTROL_READ;
2859 CDB[0] = cmd;
2860 CDB[4] = io->size;
2861 timeout = 10;
2862 break;
2863
2864 case TEST_UNIT_READY:
2865 cmdLen = 6;
2866 dir = MPI_SCSIIO_CONTROL_READ;
2867 timeout = 10;
2868 break;
2869
2870 case START_STOP:
2871 cmdLen = 6;
2872 dir = MPI_SCSIIO_CONTROL_READ;
2873 CDB[0] = cmd;
2874 CDB[4] = 1; /*Spin up the disk */
2875 timeout = 15;
2876 break;
2877
2878 case REQUEST_SENSE:
2879 cmdLen = 6;
2880 CDB[0] = cmd;
2881 CDB[4] = io->size;
2882 dir = MPI_SCSIIO_CONTROL_READ;
2883 timeout = 10;
2884 break;
2885
2886 case READ_BUFFER:
2887 cmdLen = 10;
2888 dir = MPI_SCSIIO_CONTROL_READ;
2889 CDB[0] = cmd;
2890 if (io->flags & MPT_ICFLAG_ECHO) {
2891 CDB[1] = 0x0A;
2892 } else {
2893 CDB[1] = 0x02;
2894 }
2895
2896 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2897 CDB[1] |= 0x01;
2898 }
2899 CDB[6] = (io->size >> 16) & 0xFF;
2900 CDB[7] = (io->size >> 8) & 0xFF;
2901 CDB[8] = io->size & 0xFF;
2902 timeout = 10;
2903 break;
2904
2905 case WRITE_BUFFER:
2906 cmdLen = 10;
2907 dir = MPI_SCSIIO_CONTROL_WRITE;
2908 CDB[0] = cmd;
2909 if (io->flags & MPT_ICFLAG_ECHO) {
2910 CDB[1] = 0x0A;
2911 } else {
2912 CDB[1] = 0x02;
2913 }
2914 CDB[6] = (io->size >> 16) & 0xFF;
2915 CDB[7] = (io->size >> 8) & 0xFF;
2916 CDB[8] = io->size & 0xFF;
2917 timeout = 10;
2918 break;
2919
2920 case RESERVE:
2921 cmdLen = 6;
2922 dir = MPI_SCSIIO_CONTROL_READ;
2923 CDB[0] = cmd;
2924 timeout = 10;
2925 break;
2926
2927 case RELEASE:
2928 cmdLen = 6;
2929 dir = MPI_SCSIIO_CONTROL_READ;
2930 CDB[0] = cmd;
2931 timeout = 10;
2932 break;
2933
2934 case SYNCHRONIZE_CACHE:
2935 cmdLen = 10;
2936 dir = MPI_SCSIIO_CONTROL_READ;
2937 CDB[0] = cmd;
2938// CDB[1] = 0x02; /* set immediate bit */
2939 timeout = 10;
2940 break;
2941
2942 default:
2943 /* Error Case */
2944 ret = -EFAULT;
2945 goto out;
2946 }
2947
2948 /* Get and Populate a free Frame
2949 * MsgContext set in mpt_get_msg_frame call
2950 */
2951 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
2952 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2953 ioc->name, __func__));
2954 ret = MPT_SCANDV_BUSY;
2955 goto out;
2956 }
2957
2958 pScsiReq = (SCSIIORequest_t *) mf;
2959
2960 /* Get the request index */
2961 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2962 ADD_INDEX_LOG(my_idx); /* for debug */
2963
2964 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2965 pScsiReq->TargetID = io->physDiskNum;
2966 pScsiReq->Bus = 0;
2967 pScsiReq->ChainOffset = 0;
2968 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2969 } else {
2970 pScsiReq->TargetID = io->id;
2971 pScsiReq->Bus = io->channel;
2972 pScsiReq->ChainOffset = 0;
2973 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2974 }
2975
2976 pScsiReq->CDBLength = cmdLen;
2977 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2978
2979 pScsiReq->Reserved = 0;
2980
2981 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
2982 /* MsgContext set in mpt_get_msg_fram call */
2983
2984 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
2985
2986 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2987 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
2988 else
2989 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2990
2991 if (cmd == REQUEST_SENSE) {
2992 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2993 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2994 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
2995 }
2996
2997 for (ii = 0; ii < 16; ii++)
2998 pScsiReq->CDB[ii] = CDB[ii];
2999
3000 pScsiReq->DataLength = cpu_to_le32(io->size);
3001 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
3002 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
3003
3004 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3005 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n",
3006 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
3007
3008 if (dir == MPI_SCSIIO_CONTROL_READ)
3009 ioc->add_sge((char *) &pScsiReq->SGL,
3010 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
3011 else
3012 ioc->add_sge((char *) &pScsiReq->SGL,
3013 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
3014
3015 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
3016 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
3017 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
3018 timeout*HZ);
3019 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
3020 ret = MPT_SCANDV_DID_RESET;
3021 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3022 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
3023 cmd));
3024 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
3025 mpt_free_msg_frame(ioc, mf);
3026 goto out;
3027 }
3028 if (!timeleft) {
3029 printk(MYIOC_s_WARN_FMT
3030 "Issuing Reset from %s!! doorbell=0x%08xh"
3031 " cmd=0x%02x\n",
3032 ioc->name, __func__, mpt_GetIocState(ioc, 0),
3033 cmd);
3034 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
3035 mpt_free_msg_frame(ioc, mf);
3036 }
3037 goto out;
3038 }
3039
3040 ret = ioc->internal_cmds.completion_code;
3041 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
3042 ioc->name, __func__, ret));
3043
3044 out:
3045 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
3046 mutex_unlock(&ioc->internal_cmds.mutex);
3047 return ret;
3048}
3049
3050/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3051/**
3052 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3053 * @hd: Pointer to a SCSI HOST structure
3054 * @vdevice: virtual target device
3055 *
3056 * Uses the ISR, but with special processing.
3057 * MUST be single-threaded.
3058 *
3059 */
3060static void
3061mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3062{
3063 INTERNAL_CMD iocmd;
3064
3065 /* Ignore hidden raid components, this is handled when the command
3066 * is sent to the volume
3067 */
3068 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3069 return;
3070
3071 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3072 !vdevice->configured_lun)
3073 return;
3074
3075 /* Following parameters will not change
3076 * in this routine.
3077 */
3078 iocmd.cmd = SYNCHRONIZE_CACHE;
3079 iocmd.flags = 0;
3080 iocmd.physDiskNum = -1;
3081 iocmd.data = NULL;
3082 iocmd.data_dma = -1;
3083 iocmd.size = 0;
3084 iocmd.rsvd = iocmd.rsvd2 = 0;
3085 iocmd.channel = vdevice->vtarget->channel;
3086 iocmd.id = vdevice->vtarget->id;
3087 iocmd.lun = vdevice->lun;
3088
3089 mptscsih_do_cmd(hd, &iocmd);
3090}
3091
3092static ssize_t
3093mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3094 char *buf)
3095{
3096 struct Scsi_Host *host = class_to_shost(dev);
3097 MPT_SCSI_HOST *hd = shost_priv(host);
3098 MPT_ADAPTER *ioc = hd->ioc;
3099
3100 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3101 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3102 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3103 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3104 ioc->facts.FWVersion.Word & 0x000000FF);
3105}
3106static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3107
3108static ssize_t
3109mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3110 char *buf)
3111{
3112 struct Scsi_Host *host = class_to_shost(dev);
3113 MPT_SCSI_HOST *hd = shost_priv(host);
3114 MPT_ADAPTER *ioc = hd->ioc;
3115
3116 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3117 (ioc->biosVersion & 0xFF000000) >> 24,
3118 (ioc->biosVersion & 0x00FF0000) >> 16,
3119 (ioc->biosVersion & 0x0000FF00) >> 8,
3120 ioc->biosVersion & 0x000000FF);
3121}
3122static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3123
3124static ssize_t
3125mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3126 char *buf)
3127{
3128 struct Scsi_Host *host = class_to_shost(dev);
3129 MPT_SCSI_HOST *hd = shost_priv(host);
3130 MPT_ADAPTER *ioc = hd->ioc;
3131
3132 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3133}
3134static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3135
3136static ssize_t
3137mptscsih_version_product_show(struct device *dev,
3138 struct device_attribute *attr,
3139char *buf)
3140{
3141 struct Scsi_Host *host = class_to_shost(dev);
3142 MPT_SCSI_HOST *hd = shost_priv(host);
3143 MPT_ADAPTER *ioc = hd->ioc;
3144
3145 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3146}
3147static DEVICE_ATTR(version_product, S_IRUGO,
3148 mptscsih_version_product_show, NULL);
3149
3150static ssize_t
3151mptscsih_version_nvdata_persistent_show(struct device *dev,
3152 struct device_attribute *attr,
3153 char *buf)
3154{
3155 struct Scsi_Host *host = class_to_shost(dev);
3156 MPT_SCSI_HOST *hd = shost_priv(host);
3157 MPT_ADAPTER *ioc = hd->ioc;
3158
3159 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3160 ioc->nvdata_version_persistent);
3161}
3162static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3163 mptscsih_version_nvdata_persistent_show, NULL);
3164
3165static ssize_t
3166mptscsih_version_nvdata_default_show(struct device *dev,
3167 struct device_attribute *attr, 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, "%02xh\n",ioc->nvdata_version_default);
3174}
3175static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3176 mptscsih_version_nvdata_default_show, NULL);
3177
3178static ssize_t
3179mptscsih_board_name_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, "%s\n", ioc->board_name);
3187}
3188static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3189
3190static ssize_t
3191mptscsih_board_assembly_show(struct device *dev,
3192 struct device_attribute *attr, char *buf)
3193{
3194 struct Scsi_Host *host = class_to_shost(dev);
3195 MPT_SCSI_HOST *hd = shost_priv(host);
3196 MPT_ADAPTER *ioc = hd->ioc;
3197
3198 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3199}
3200static DEVICE_ATTR(board_assembly, S_IRUGO,
3201 mptscsih_board_assembly_show, NULL);
3202
3203static ssize_t
3204mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3205 char *buf)
3206{
3207 struct Scsi_Host *host = class_to_shost(dev);
3208 MPT_SCSI_HOST *hd = shost_priv(host);
3209 MPT_ADAPTER *ioc = hd->ioc;
3210
3211 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3212}
3213static DEVICE_ATTR(board_tracer, S_IRUGO,
3214 mptscsih_board_tracer_show, NULL);
3215
3216static ssize_t
3217mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3218 char *buf)
3219{
3220 struct Scsi_Host *host = class_to_shost(dev);
3221 MPT_SCSI_HOST *hd = shost_priv(host);
3222 MPT_ADAPTER *ioc = hd->ioc;
3223
3224 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3225}
3226static DEVICE_ATTR(io_delay, S_IRUGO,
3227 mptscsih_io_delay_show, NULL);
3228
3229static ssize_t
3230mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3231 char *buf)
3232{
3233 struct Scsi_Host *host = class_to_shost(dev);
3234 MPT_SCSI_HOST *hd = shost_priv(host);
3235 MPT_ADAPTER *ioc = hd->ioc;
3236
3237 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3238}
3239static DEVICE_ATTR(device_delay, S_IRUGO,
3240 mptscsih_device_delay_show, NULL);
3241
3242static ssize_t
3243mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3244 char *buf)
3245{
3246 struct Scsi_Host *host = class_to_shost(dev);
3247 MPT_SCSI_HOST *hd = shost_priv(host);
3248 MPT_ADAPTER *ioc = hd->ioc;
3249
3250 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3251}
3252static ssize_t
3253mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3254 const char *buf, size_t count)
3255{
3256 struct Scsi_Host *host = class_to_shost(dev);
3257 MPT_SCSI_HOST *hd = shost_priv(host);
3258 MPT_ADAPTER *ioc = hd->ioc;
3259 int val = 0;
3260
3261 if (sscanf(buf, "%x", &val) != 1)
3262 return -EINVAL;
3263
3264 ioc->debug_level = val;
3265 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3266 ioc->name, ioc->debug_level);
3267 return strlen(buf);
3268}
3269static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3270 mptscsih_debug_level_show, mptscsih_debug_level_store);
3271
3272static struct attribute *mptscsih_host_attrs[] = {
3273 &dev_attr_version_fw.attr,
3274 &dev_attr_version_bios.attr,
3275 &dev_attr_version_mpi.attr,
3276 &dev_attr_version_product.attr,
3277 &dev_attr_version_nvdata_persistent.attr,
3278 &dev_attr_version_nvdata_default.attr,
3279 &dev_attr_board_name.attr,
3280 &dev_attr_board_assembly.attr,
3281 &dev_attr_board_tracer.attr,
3282 &dev_attr_io_delay.attr,
3283 &dev_attr_device_delay.attr,
3284 &dev_attr_debug_level.attr,
3285 NULL,
3286};
3287
3288static const struct attribute_group mptscsih_host_attr_group = {
3289 .attrs = mptscsih_host_attrs
3290};
3291
3292const struct attribute_group *mptscsih_host_attr_groups[] = {
3293 &mptscsih_host_attr_group,
3294 NULL
3295};
3296EXPORT_SYMBOL(mptscsih_host_attr_groups);
3297
3298EXPORT_SYMBOL(mptscsih_remove);
3299EXPORT_SYMBOL(mptscsih_shutdown);
3300#ifdef CONFIG_PM
3301EXPORT_SYMBOL(mptscsih_suspend);
3302EXPORT_SYMBOL(mptscsih_resume);
3303#endif
3304EXPORT_SYMBOL(mptscsih_show_info);
3305EXPORT_SYMBOL(mptscsih_info);
3306EXPORT_SYMBOL(mptscsih_qcmd);
3307EXPORT_SYMBOL(mptscsih_slave_destroy);
3308EXPORT_SYMBOL(mptscsih_slave_configure);
3309EXPORT_SYMBOL(mptscsih_abort);
3310EXPORT_SYMBOL(mptscsih_dev_reset);
3311EXPORT_SYMBOL(mptscsih_target_reset);
3312EXPORT_SYMBOL(mptscsih_bus_reset);
3313EXPORT_SYMBOL(mptscsih_host_reset);
3314EXPORT_SYMBOL(mptscsih_bios_param);
3315EXPORT_SYMBOL(mptscsih_io_done);
3316EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3317EXPORT_SYMBOL(mptscsih_scandv_complete);
3318EXPORT_SYMBOL(mptscsih_event_process);
3319EXPORT_SYMBOL(mptscsih_ioc_reset);
3320EXPORT_SYMBOL(mptscsih_change_queue_depth);
3321
3322/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/