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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso...
[mirror_ubuntu-artful-kernel.git] / drivers / message / fusion / mptscsih.c
CommitLineData
1da177e4
LT		 1/*
2 * linux/drivers/message/fusion/mptscsih.c
f36789e2
PS		 3 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
1da177e4 5 *
cddc0ab7 6 * Copyright (c) 1999-2008 LSI Corporation
16d20101 7 * (mailto:DL-MPTFusionLinux@lsi.com)
1da177e4 8 *
1da177e4
LT		 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
1da177e4
LT		 47#include <linux/module.h>
48#include <linux/kernel.h>
5a0e3ad6 49#include <linux/slab.h>
1da177e4
LT		 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 */
1da177e4
LT		 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>
e0fc15be 64#include <scsi/scsi_dbg.h>
1da177e4
LT		 65
66#include "mptbase.h"
67#include "mptscsih.h"
bf451522 68#include "lsi/mpi_log_sas.h"
1da177e4
LT		 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");
9f4203b3 78MODULE_VERSION(my_VERSION);
1da177e4 79
1da177e4 80/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1da177e4
LT		 81/*
82 * Other private/forward protos...
83 */
db7051b2 84struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
e8206381
EM		 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);
0d0c7974 88int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
1da177e4 89static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
0d0c7974 90int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
1da177e4
LT		 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);
0d0c7974 95static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
1da177e4 96
1ba9ab2e 97int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
9cb78c16 98 u64 lun, int ctx2abort, ulong timeout);
1da177e4 99
0d0c7974
MED		 100int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
101int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
1da177e4 102
e7deff33 103void
1ba9ab2e 104mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
37c60f37
KD		 105static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
106 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
0d0c7974 107int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
1da177e4 108static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
c7c82987 109static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
1da177e4 110
1ba9ab2e
KD		 111static int
112mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
113 SCSITaskMgmtReply_t *pScsiTmReply);
0d0c7974 114void mptscsih_remove(struct pci_dev *);
d18c3db5 115void mptscsih_shutdown(struct pci_dev *);
1da177e4 116#ifdef CONFIG_PM
0d0c7974
MED		 117int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
118int mptscsih_resume(struct pci_dev *pdev);
1da177e4
LT		 119#endif
120
b80ca4f7 121#define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE
1da177e4 122
1da177e4
LT		 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
6757d6b4 141 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
29dd3609 142 ioc->name));
1da177e4
LT		 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;
29dd3609
EM		 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));
1da177e4
LT		 156 } else {
157 rc = FAILED;
158 chain_idx = MPT_HOST_NO_CHAIN;
29dd3609
EM		 159 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
160 ioc->name));
1da177e4
LT		 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 */
1928d73f
FT		 210 sges_left = scsi_dma_map(SCpnt);
211 if (sges_left < 0)
212 return FAILED;
1da177e4
LT		 213
214 /* Handle the SG case.
215 */
1928d73f 216 sg = scsi_sglist(SCpnt);
1da177e4
LT		 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:
14d0f0b0 228 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
1da177e4
LT		 229 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
230
14d0f0b0 231 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
1da177e4
LT		 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) {
2f187862
KD		 240 /* Get next SG element from the OS */
241 sg = sg_next(sg);
1da177e4
LT		 242 sg_done++;
243 continue;
244 }
245
246 v2 = sg_dma_address(sg);
14d0f0b0 247 ioc->add_sge(psge, sgflags | thisxfer, v2);
1da177e4 248
2f187862
KD		 249 /* Get next SG element from the OS */
250 sg = sg_next(sg);
14d0f0b0
KD		 251 psge += ioc->SGE_size;
252 sgeOffset += ioc->SGE_size;
1da177e4
LT		 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);
14d0f0b0
KD		 269 ioc->add_sge(psge, sgflags | thisxfer, v2);
270 sgeOffset += ioc->SGE_size;
1da177e4
LT		 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 */
14d0f0b0
KD		 279 ioc->add_chain((char *)chainSge, 0, sgeOffset,
280 ioc->ChainBufferDMA + chain_dma_off);
1da177e4
LT		 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;
6757d6b4 287 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1da177e4
LT		 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
6757d6b4 303 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
1da177e4
LT		 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) {
14d0f0b0 313 u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
1da177e4
LT		 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);
14d0f0b0
KD		 327 sgeOffset += ioc->SGE_size;
328 ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
329 ioc->ChainBufferDMA + chain_dma_off);
1da177e4
LT		 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;
6757d6b4 337 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
1da177e4
LT		 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 */
c6678e0c 347 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
6757d6b4 348 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
c6678e0c
CH		 349 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
350 ioc->name, pReq->CDB[0], SCpnt));
1da177e4 351 return FAILED;
c6678e0c 352 }
1da177e4
LT		 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;
29dd3609
EM		 370 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
371 ioc->name, psge, req_idx));
1da177e4
LT		 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
29dd3609
EM		 379 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
380 ioc->name, psge, chain_idx));
1da177e4
LT		 381
382 /* Start the SGE for the next buffer
383 */
384
385 goto nextSGEset;
386 }
387
388 return SUCCESS;
389} /* mptscsih_AddSGE() */
390
786899b0
EM		 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
cc78d30a
EM		 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)
786899b0
EM		 404 return;
405
406 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
6757d6b4 407 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
cadbd4a5 408 ioc->name,__func__));
786899b0
EM		 409 return;
410 }
411
412 SEPMsg = (SEPRequest_t *)mf;
413 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
793955f5
EM		 414 SEPMsg->Bus = vtarget->channel;
415 SEPMsg->TargetID = vtarget->id;
786899b0
EM		 416 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
417 SEPMsg->SlotStatus = SlotStatus;
6757d6b4 418 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
793955f5
EM		 419 "Sending SEP cmd=%x channel=%d id=%d\n",
420 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
786899b0
EM		 421 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
422}
423
6757d6b4 424#ifdef CONFIG_FUSION_LOGGING
c6c727a1 425/**
6757d6b4 426 * mptscsih_info_scsiio - debug print info on reply frame
c6c727a1 427 * @ioc: Pointer to MPT_ADAPTER structure
c6c727a1 428 * @sc: original scsi cmnd pointer
6757d6b4
PS		 429 * @pScsiReply: Pointer to MPT reply frame
430 *
431 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
c6c727a1
EM		 432 *
433 * Refer to lsi/mpi.h.
434 **/
435static void
6757d6b4 436mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
c6c727a1 437{
6757d6b4
PS		 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;
c6c727a1
EM		 444
445 switch (ioc_status) {
446
6757d6b4
PS		 447 case MPI_IOCSTATUS_SUCCESS:
448 desc = "success";
c6c727a1 449 break;
6757d6b4
PS		 450 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
451 desc = "invalid bus";
c6c727a1 452 break;
6757d6b4
PS		 453 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
454 desc = "invalid target_id";
c6c727a1 455 break;
6757d6b4
PS		 456 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
457 desc = "device not there";
c6c727a1 458 break;
6757d6b4
PS		 459 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
460 desc = "data overrun";
c6c727a1 461 break;
6757d6b4
PS		 462 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
463 desc = "data underrun";
c6c727a1 464 break;
6757d6b4
PS		 465 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
466 desc = "I/O data error";
c6c727a1 467 break;
6757d6b4
PS		 468 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
469 desc = "protocol error";
c6c727a1 470 break;
6757d6b4
PS		 471 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
472 desc = "task terminated";
c6c727a1 473 break;
6757d6b4
PS		 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";
c6c727a1 485 break;
6757d6b4
PS		 486 default:
487 desc = "";
488 break;
489 }
490
491 switch (pScsiReply->SCSIStatus)
492 {
c6c727a1 493
6757d6b4
PS		 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 = "";
c6c727a1
EM		 535 break;
536 }
537
6757d6b4 538 scsi_print_command(sc);
9cb78c16 539 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %llu\n",
2f187862 540 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
29dd3609
EM		 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),
6757d6b4 546 le32_to_cpu(pScsiReply->TransferCount), sc->result);
2f187862 547
29dd3609 548 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
6757d6b4 549 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
29dd3609 550 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
6757d6b4 551 pScsiReply->SCSIState);
c6c727a1 552
6757d6b4
PS		 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
29dd3609
EM		 558 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
559 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
6757d6b4
PS		 560 }
561
562 /*
563 * Look for + dump FCP ResponseInfo[]!
564 */
565 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
566 pScsiReply->ResponseInfo)
29dd3609
EM		 567 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
568 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
c6c727a1
EM		 569}
570#endif
571
1da177e4
LT		 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 */
0d0c7974 587int
1da177e4
LT		 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;
2254c86d 594 u16 req_idx, req_idx_MR;
a69de507 595 VirtDevice *vdevice;
786899b0 596 VirtTarget *vtarget;
1da177e4 597
e7eae9f6 598 hd = shost_priv(ioc->sh);
1da177e4 599 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2254c86d
ME		 600 req_idx_MR = (mr != NULL) ?
601 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
2f187862
KD		 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 */
2254c86d 607 if ((req_idx != req_idx_MR) ||
2f187862 608 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
2254c86d 609 return 0;
2254c86d 610
e8206381 611 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
1da177e4
LT		 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
3dc0b03f
EM		 627 if ((unsigned char *)mf != sc->host_scribble) {
628 mptscsih_freeChainBuffers(ioc, req_idx);
629 return 1;
630 }
631
fea98403
KD		 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
3dc0b03f 642 sc->host_scribble = NULL;
1da177e4
LT		 643 sc->result = DID_OK << 16; /* Set default reply as OK */
644 pScsiReq = (SCSIIORequest_t *) mf;
645 pScsiReply = (SCSIIOReply_t *) mr;
646
c6678e0c 647 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
6757d6b4 648 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
c6678e0c
CH		 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{
6757d6b4 652 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
c6678e0c
CH		 653 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
654 ioc->name, mf, mr, sc, req_idx));
655 }
656
1da177e4
LT		 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;
c6c727a1 664 u32 log_info;
1da177e4
LT		 665
666 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
c9de7dc4 667
1da177e4
LT		 668 scsi_state = pScsiReply->SCSIState;
669 scsi_status = pScsiReply->SCSIStatus;
670 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
1928d73f 671 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
c6c727a1 672 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
1da177e4 673
466544d8
MED		 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
1da177e4 687 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
0d0c7974
MED		 688 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
689
1da177e4
LT		 690 /*
691 * Look for + dump FCP ResponseInfo[]!
692 */
466544d8
MED		 693 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
694 pScsiReply->ResponseInfo) {
9cb78c16 695 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%llu] "
29dd3609 696 "FCP_ResponseInfo=%08xh\n", ioc->name,
c6c727a1
EM		 697 sc->device->host->host_no, sc->device->channel,
698 sc->device->id, sc->device->lun,
1da177e4
LT		 699 le32_to_cpu(pScsiReply->ResponseInfo));
700 }
701
702 switch(status) {
703 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
d23321b4 704 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
1da177e4
LT		 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! */
65207fed
ME		 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;
1da177e4
LT		 725
726 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
727 hd->sel_timeout[pScsiReq->TargetID]++;
786899b0 728
a69de507
EM		 729 vdevice = sc->device->hostdata;
730 if (!vdevice)
786899b0 731 break;
a69de507 732 vtarget = vdevice->vtarget;
786899b0
EM		 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 }
1da177e4
LT		 738 break;
739
1da177e4 740 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
bf451522 741 if ( ioc->bus_type == SAS ) {
c9de7dc4
KD		 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;
bf451522 772 }
86dd4242
EM		 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;
bf451522
EM		 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 */
1da177e4
LT		 791 /* Linux handles an unsolicited DID_RESET better
792 * than an unsolicited DID_ABORT.
793 */
794 sc->result = DID_RESET << 16;
3012d60b 795 break;
1da177e4 796
2f187862
KD		 797 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
798 if (ioc->bus_type == FC)
799 sc->result = DID_ERROR << 16;
800 else
801 sc->result = DID_RESET << 16;
1da177e4
LT		 802 break;
803
804 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
1928d73f 805 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
466544d8
MED		 806 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
807 sc->result=DID_SOFT_ERROR << 16;
808 else /* Sufficient data transfer occurred */
1da177e4 809 sc->result = (DID_OK << 16) | scsi_status;
29dd3609 810 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
c6c727a1 811 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
29dd3609 812 ioc->name, sc->result, sc->device->channel, sc->device->id));
1da177e4 813 break;
0d0c7974 814
1da177e4
LT		 815 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
816 /*
817 * Do upfront check for valid SenseData and give it
818 * precedence!
819 */
820 sc->result = (DID_OK << 16) | scsi_status;
9b53b392
KD		 821 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
822
823 /*
824 * For an Errata on LSI53C1030
825 * When the length of request data
826 * and transfer data are different
827 * with result of command (READ or VERIFY),
828 * DID_SOFT_ERROR is set.
1da177e4 829 */
9b53b392 830 if (ioc->bus_type == SPI) {
e466e1c6 831 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
9b53b392
KD		 832 pScsiReq->CDB[0] == READ_10 ||
833 pScsiReq->CDB[0] == READ_12 ||
513382c9 834 (pScsiReq->CDB[0] == READ_16 &&
835 ((pScsiReq->CDB[1] & 0x02) == 0)) ||
9b53b392
KD		 836 pScsiReq->CDB[0] == VERIFY ||
837 pScsiReq->CDB[0] == VERIFY_16) {
838 if (scsi_bufflen(sc) !=
839 xfer_cnt) {
840 sc->result =
841 DID_SOFT_ERROR << 16;
842 printk(KERN_WARNING "Errata"
843 "on LSI53C1030 occurred."
844 "sc->req_bufflen=0x%02x,"
845 "xfer_cnt=0x%02x\n",
846 scsi_bufflen(sc),
847 xfer_cnt);
848 }
849 }
850 }
851
1da177e4 852 if (xfer_cnt < sc->underflow) {
466544d8
MED		 853 if (scsi_status == SAM_STAT_BUSY)
854 sc->result = SAM_STAT_BUSY;
855 else
856 sc->result = DID_SOFT_ERROR << 16;
1da177e4
LT		 857 }
858 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
859 /* What to do?
860 */
861 sc->result = DID_SOFT_ERROR << 16;
862 }
863 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
864 /* Not real sure here either... */
865 sc->result = DID_RESET << 16;
866 }
867 }
868
6757d6b4 869
29dd3609
EM		 870 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
871 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
872 ioc->name, sc->underflow));
873 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
874 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
6757d6b4 875
1da177e4
LT		 876 /* Report Queue Full
877 */
878 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
879 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
0d0c7974 880
1da177e4
LT		 881 break;
882
7e55147f 883 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
1928d73f 884 scsi_set_resid(sc, 0);
1da177e4
LT		 885 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
886 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
ad8c31bb 887 sc->result = (DID_OK << 16) | scsi_status;
1da177e4
LT		 888 if (scsi_state == 0) {
889 ;
9b53b392
KD		 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
1da177e4
LT		 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 */
1da177e4
LT		 989 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
990 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
1da177e4
LT		 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
6757d6b4
PS		 1002#ifdef CONFIG_FUSION_LOGGING
1003 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
1004 mptscsih_info_scsiio(ioc, sc, pScsiReply);
c6c727a1
EM		 1005#endif
1006
1da177e4 1007 } /* end of address reply case */
fea98403 1008out:
1da177e4 1009 /* Unmap the DMA buffers, if any. */
1928d73f 1010 scsi_dma_unmap(sc);
1da177e4 1011
1da177e4
LT		 1012 sc->scsi_done(sc); /* Issue the command callback */
1013
1014 /* Free Chain buffers */
1015 mptscsih_freeChainBuffers(ioc, req_idx);
1016 return 1;
1017}
1018
1da177e4
LT		 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 */
e62cca19 1029void
1da177e4
LT		 1030mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1031{
1032 MPT_ADAPTER *ioc = hd->ioc;
e8206381
EM		 1033 struct scsi_cmnd *sc;
1034 SCSIIORequest_t *mf = NULL;
1da177e4 1035 int ii;
e8206381 1036 int channel, id;
1da177e4 1037
e8206381
EM		 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;
2f187862
KD		 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));
e8206381 1057 sc->scsi_done(sc);
1da177e4 1058 }
1da177e4 1059}
e62cca19 1060EXPORT_SYMBOL(mptscsih_flush_running_cmds);
1da177e4
LT		 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.
05e8ec17 1068 * (BUT, BUT, BUT, the code does reference it! - mdr)
c7c82987
MED		 1069 * @hd: Pointer to a SCSI HOST structure
1070 * @vdevice: per device private data
1da177e4
LT		 1071 *
1072 * Returns: None.
1073 *
1074 * Called from slave_destroy.
1075 */
1076static void
c7c82987 1077mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1da177e4
LT		 1078{
1079 SCSIIORequest_t *mf = NULL;
1080 int ii;
466544d8 1081 struct scsi_cmnd *sc;
793955f5 1082 struct scsi_lun lun;
e80b002b 1083 MPT_ADAPTER *ioc = hd->ioc;
e8206381 1084 unsigned long flags;
1da177e4 1085
e8206381
EM		 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) {
1da177e4 1089
e80b002b 1090 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
3dc0b03f
EM		 1091 if (mf == NULL)
1092 continue;
cc78d30a
EM		 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
793955f5
EM		 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))
1da177e4
LT		 1105 continue;
1106
3dc0b03f
EM		 1107 if ((unsigned char *)mf != sc->host_scribble)
1108 continue;
e8206381
EM		 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);
1928d73f 1113 scsi_dma_unmap(sc);
466544d8
MED		 1114 sc->host_scribble = NULL;
1115 sc->result = DID_NO_CONNECT << 16;
2f187862
KD		 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));
466544d8 1121 sc->scsi_done(sc);
e8206381 1122 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1da177e4
LT		 1123 }
1124 }
e8206381 1125 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1da177e4
LT		 1126 return;
1127}
1128
1129/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1da177e4
LT		 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;
1da177e4 1147 MPT_SCSI_HOST *hd;
e80b002b 1148 MPT_ADAPTER *ioc;
1da177e4 1149
0d0c7974
MED		 1150 if (sc->device == NULL)
1151 return;
1152 if (sc->device->host == NULL)
1153 return;
e7eae9f6 1154 if ((hd = shost_priv(sc->device->host)) == NULL)
0d0c7974 1155 return;
e80b002b 1156 ioc = hd->ioc;
0d0c7974 1157 if (time - hd->last_queue_full > 10 * HZ) {
9cb78c16 1158 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%llu) reported QUEUE_FULL!\n",
e80b002b 1159 ioc->name, 0, sc->device->id, sc->device->lun));
0d0c7974 1160 hd->last_queue_full = time;
1da177e4 1161 }
1da177e4
LT		 1162}
1163
1164/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1165/*
1166 * mptscsih_remove - Removed scsi devices
1167 * @pdev: Pointer to pci_dev structure
1168 *
1169 *
1170 */
0d0c7974 1171void
1da177e4
LT		 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;
0d0c7974 1177 int sz1;
1da177e4 1178
e7eae9f6 1179 if((hd = shost_priv(host)) == NULL)
0d0c7974
MED		 1180 return;
1181
d18c3db5 1182 mptscsih_shutdown(pdev);
1da177e4 1183
0d0c7974 1184 sz1=0;
1da177e4 1185
e8206381 1186 if (ioc->ScsiLookup != NULL) {
e80b002b 1187 sz1 = ioc->req_depth * sizeof(void *);
e8206381
EM		 1188 kfree(ioc->ScsiLookup);
1189 ioc->ScsiLookup = NULL;
0d0c7974 1190 }
1da177e4 1191
e80b002b 1192 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
0d0c7974 1193 "Free'd ScsiLookup (%d) memory\n",
e80b002b 1194 ioc->name, sz1));
1da177e4 1195
d485eb83 1196 kfree(hd->info_kbuf);
1da177e4 1197
0d0c7974
MED		 1198 /* NULL the Scsi_Host pointer
1199 */
e80b002b 1200 ioc->sh = NULL;
1da177e4
LT		 1201
1202 scsi_host_put(host);
1da177e4 1203
0d0c7974 1204 mpt_detach(pdev);
c6678e0c 1205
1da177e4
LT		 1206}
1207
1208/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1209/*
1210 * mptscsih_shutdown - reboot notifier
1211 *
1212 */
0d0c7974 1213void
d18c3db5 1214mptscsih_shutdown(struct pci_dev *pdev)
1da177e4 1215{
1da177e4
LT		 1216}
1217
1218#ifdef CONFIG_PM
1219/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1220/*
0d0c7974 1221 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1da177e4
LT		 1222 *
1223 *
1224 */
0d0c7974 1225int
8d189f72 1226mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1da177e4 1227{
4d4109d0
PS		 1228 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1229
1230 scsi_block_requests(ioc->sh);
1231 flush_scheduled_work();
d18c3db5 1232 mptscsih_shutdown(pdev);
0d0c7974 1233 return mpt_suspend(pdev,state);
1da177e4
LT		 1234}
1235
1236/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1237/*
1238 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1239 *
1240 *
1241 */
0d0c7974 1242int
1da177e4
LT		 1243mptscsih_resume(struct pci_dev *pdev)
1244{
4d4109d0
PS		 1245 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1246 int rc;
1247
1248 rc = mpt_resume(pdev);
1249 scsi_unblock_requests(ioc->sh);
1250 return rc;
1da177e4
LT		 1251}
1252
1253#endif
1254
1da177e4
LT		 1255/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1256/**
1257 * mptscsih_info - Return information about MPT adapter
1258 * @SChost: Pointer to Scsi_Host structure
1259 *
1260 * (linux scsi_host_template.info routine)
1261 *
1262 * Returns pointer to buffer where information was written.
1263 */
0d0c7974 1264const char *
1da177e4
LT		 1265mptscsih_info(struct Scsi_Host *SChost)
1266{
1267 MPT_SCSI_HOST *h;
1268 int size = 0;
1269
e7eae9f6 1270 h = shost_priv(SChost);
0d0c7974 1271
9f21316f
JL		 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';
1da177e4 1279
0d0c7974 1280 return h->info_kbuf;
1da177e4
LT		 1281}
1282
cac19703 1283int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host)
1da177e4 1284{
e7eae9f6 1285 MPT_SCSI_HOST *hd = shost_priv(host);
1da177e4 1286 MPT_ADAPTER *ioc = hd->ioc;
1da177e4 1287
cac19703
AV		 1288 seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name);
1289 seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1290 seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts);
1291 seq_printf(m, "MaxQ=%d\n", ioc->req_depth);
1da177e4 1292
cac19703 1293 return 0;
1da177e4
LT		 1294}
1295
1296/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1297#define ADD_INDEX_LOG(req_ent) do { } while(0)
1298
1299/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1300/**
1301 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1302 * @SCpnt: Pointer to scsi_cmnd structure
1da177e4
LT		 1303 *
1304 * (linux scsi_host_template.queuecommand routine)
1305 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1306 * from a linux scsi_cmnd request and send it to the IOC.
1307 *
1308 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1309 */
0d0c7974 1310int
a48ac9e5 1311mptscsih_qcmd(struct scsi_cmnd *SCpnt)
1da177e4
LT		 1312{
1313 MPT_SCSI_HOST *hd;
1314 MPT_FRAME_HDR *mf;
1315 SCSIIORequest_t *pScsiReq;
a69de507 1316 VirtDevice *vdevice = SCpnt->device->hostdata;
1da177e4
LT		 1317 u32 datalen;
1318 u32 scsictl;
1319 u32 scsidir;
1320 u32 cmd_len;
1321 int my_idx;
1322 int ii;
6757d6b4 1323 MPT_ADAPTER *ioc;
1da177e4 1324
e7eae9f6 1325 hd = shost_priv(SCpnt->device->host);
6757d6b4 1326 ioc = hd->ioc;
1da177e4 1327
a48ac9e5
MW		 1328 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p\n",
1329 ioc->name, SCpnt));
1da177e4 1330
56cee8d5 1331 if (ioc->taskmgmt_quiesce_io)
1da177e4 1332 return SCSI_MLQUEUE_HOST_BUSY;
1da177e4
LT		 1333
1334 /*
1335 * Put together a MPT SCSI request...
1336 */
e80b002b 1337 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
6757d6b4
PS		 1338 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1339 ioc->name));
1da177e4
LT		 1340 return SCSI_MLQUEUE_HOST_BUSY;
1341 }
1342
1343 pScsiReq = (SCSIIORequest_t *) mf;
1344
1345 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1346
1347 ADD_INDEX_LOG(my_idx);
1348
0d0c7974 1349 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1da177e4
LT		 1350 * Seems we may receive a buffer (datalen>0) even when there
1351 * will be no data transfer! GRRRRR...
1352 */
1353 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1928d73f 1354 datalen = scsi_bufflen(SCpnt);
1da177e4
LT		 1355 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1356 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1928d73f 1357 datalen = scsi_bufflen(SCpnt);
1da177e4
LT		 1358 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1359 } else {
1360 datalen = 0;
1361 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1362 }
1363
1364 /* Default to untagged. Once a target structure has been allocated,
1365 * use the Inquiry data to determine if device supports tagged.
1366 */
4e6f767d
CH		 1367 if ((vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) &&
1368 SCpnt->device->tagged_supported)
1da177e4 1369 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
4e6f767d 1370 else
1da177e4 1371 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
65f89c23 1372
1da177e4
LT		 1373
1374 /* Use the above information to set up the message frame
1375 */
a69de507
EM		 1376 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1377 pScsiReq->Bus = vdevice->vtarget->channel;
1da177e4 1378 pScsiReq->ChainOffset = 0;
a69de507 1379 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
c92f222e
JB		 1380 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1381 else
1382 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1da177e4
LT		 1383 pScsiReq->CDBLength = SCpnt->cmd_len;
1384 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1385 pScsiReq->Reserved = 0;
14d0f0b0 1386 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
793955f5 1387 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1da177e4
LT		 1388 pScsiReq->Control = cpu_to_le32(scsictl);
1389
1390 /*
1391 * Write SCSI CDB into the message
1392 */
1393 cmd_len = SCpnt->cmd_len;
1394 for (ii=0; ii < cmd_len; ii++)
1395 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1396
1397 for (ii=cmd_len; ii < 16; ii++)
1398 pScsiReq->CDB[ii] = 0;
1399
1400 /* DataLength */
1401 pScsiReq->DataLength = cpu_to_le32(datalen);
1402
1403 /* SenseBuffer low address */
e80b002b 1404 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1da177e4
LT		 1405 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1406
1407 /* Now add the SG list
1408 * Always have a SGE even if null length.
1409 */
1410 if (datalen == 0) {
1411 /* Add a NULL SGE */
14d0f0b0
KD		 1412 ioc->add_sge((char *)&pScsiReq->SGL,
1413 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1da177e4
LT		 1414 (dma_addr_t) -1);
1415 } else {
1416 /* Add a 32 or 64 bit SGE */
e80b002b 1417 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1da177e4
LT		 1418 goto fail;
1419 }
1420
3dc0b03f 1421 SCpnt->host_scribble = (unsigned char *)mf;
e8206381 1422 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1da177e4 1423
e80b002b 1424 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
6757d6b4
PS		 1425 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1426 ioc->name, SCpnt, mf, my_idx));
29dd3609 1427 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1da177e4
LT		 1428 return 0;
1429
1430 fail:
e80b002b
EM		 1431 mptscsih_freeChainBuffers(ioc, my_idx);
1432 mpt_free_msg_frame(ioc, mf);
1da177e4
LT		 1433 return SCSI_MLQUEUE_HOST_BUSY;
1434}
1435
1436/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1437/*
1438 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1439 * with a SCSI IO request
1440 * @hd: Pointer to the MPT_SCSI_HOST instance
1441 * @req_idx: Index of the SCSI IO request frame.
1442 *
1443 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1444 * No return.
1445 */
1446static void
1447mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1448{
1449 MPT_FRAME_HDR *chain;
1450 unsigned long flags;
1451 int chain_idx;
1452 int next;
1453
1454 /* Get the first chain index and reset
1455 * tracker state.
1456 */
1457 chain_idx = ioc->ReqToChain[req_idx];
1458 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1459
1460 while (chain_idx != MPT_HOST_NO_CHAIN) {
1461
1462 /* Save the next chain buffer index */
1463 next = ioc->ChainToChain[chain_idx];
1464
1465 /* Free this chain buffer and reset
1466 * tracker
1467 */
1468 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1469
1470 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1471 + (chain_idx * ioc->req_sz));
1472
1473 spin_lock_irqsave(&ioc->FreeQlock, flags);
1474 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1475 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1476
6757d6b4 1477 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1da177e4
LT		 1478 ioc->name, chain_idx));
1479
1480 /* handle next */
1481 chain_idx = next;
1482 }
1483 return;
1484}
1485
1486/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1487/*
1488 * Reset Handling
1489 */
1490
1491/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
cd2c6191 1492/**
1ba9ab2e
KD		 1493 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1494 * @hd: Pointer to MPT_SCSI_HOST structure
1da177e4 1495 * @type: Task Management type
1544d677 1496 * @channel: channel number for task management
793955f5 1497 * @id: Logical Target ID for reset (if appropriate)
1da177e4
LT		 1498 * @lun: Logical Unit for reset (if appropriate)
1499 * @ctx2abort: Context for the task to be aborted (if appropriate)
1544d677
RD		 1500 * @timeout: timeout for task management control
1501 *
1ba9ab2e
KD		 1502 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1503 * or a non-interrupt thread. In the former, must not call schedule().
1da177e4 1504 *
1ba9ab2e 1505 * Not all fields are meaningfull for all task types.
1da177e4 1506 *
1ba9ab2e 1507 * Returns 0 for SUCCESS, or FAILED.
1da177e4 1508 *
cd2c6191 1509 **/
663e1aa1 1510int
9cb78c16 1511mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, u64 lun,
1ba9ab2e 1512 int ctx2abort, ulong timeout)
1da177e4 1513{
1ba9ab2e
KD		 1514 MPT_FRAME_HDR *mf;
1515 SCSITaskMgmt_t *pScsiTm;
1516 int ii;
1517 int retval;
1518 MPT_ADAPTER *ioc = hd->ioc;
1519 unsigned long timeleft;
1520 u8 issue_hard_reset;
1da177e4 1521 u32 ioc_raw_state;
1ba9ab2e 1522 unsigned long time_count;
1da177e4 1523
1ba9ab2e 1524 issue_hard_reset = 0;
e80b002b 1525 ioc_raw_state = mpt_GetIocState(ioc, 0);
1da177e4 1526
1da177e4
LT		 1527 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1528 printk(MYIOC_s_WARN_FMT
1ba9ab2e 1529 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
cd2c6191 1530 ioc->name, type, ioc_raw_state);
1ba9ab2e
KD		 1531 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1532 ioc->name, __func__);
cd2c6191 1533 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1ba9ab2e 1534 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
29dd3609 1535 "FAILED!!\n", ioc->name);
1ba9ab2e 1536 return 0;
1da177e4
LT		 1537 }
1538
98cbe371 1539 /* DOORBELL ACTIVE check is not required if
1540 * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported.
1541 */
1542
1543 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
1544 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
1545 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
cd2c6191 1546 printk(MYIOC_s_WARN_FMT
1ba9ab2e 1547 "TaskMgmt type=%x: ioc_state: "
cd2c6191
EM		 1548 "DOORBELL_ACTIVE (0x%x)!\n",
1549 ioc->name, type, ioc_raw_state);
1550 return FAILED;
1da177e4
LT		 1551 }
1552
1ba9ab2e
KD		 1553 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1554 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1555 mf = NULL;
1556 retval = FAILED;
1557 goto out;
1558 }
1da177e4
LT		 1559
1560 /* Return Fail to calling function if no message frames available.
1561 */
e80b002b 1562 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1ba9ab2e
KD		 1563 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1564 "TaskMgmt no msg frames!!\n", ioc->name));
1565 retval = FAILED;
1566 mpt_clear_taskmgmt_in_progress_flag(ioc);
1567 goto out;
1da177e4 1568 }
1ba9ab2e 1569 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
e80b002b 1570 ioc->name, mf));
1da177e4
LT		 1571
1572 /* Format the Request
1573 */
1574 pScsiTm = (SCSITaskMgmt_t *) mf;
793955f5 1575 pScsiTm->TargetID = id;
1da177e4
LT		 1576 pScsiTm->Bus = channel;
1577 pScsiTm->ChainOffset = 0;
1578 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1579
1580 pScsiTm->Reserved = 0;
1581 pScsiTm->TaskType = type;
1582 pScsiTm->Reserved1 = 0;
1583 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1584 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1585
793955f5 1586 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1da177e4
LT		 1587
1588 for (ii=0; ii < 7; ii++)
1589 pScsiTm->Reserved2[ii] = 0;
1590
1591 pScsiTm->TaskMsgContext = ctx2abort;
1592
1ba9ab2e
KD		 1593 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1594 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1595 type, timeout));
1da177e4 1596
6757d6b4 1597 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1da177e4 1598
1ba9ab2e
KD		 1599 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1600 time_count = jiffies;
e80b002b
EM		 1601 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1602 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1603 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
7a195f46 1604 else {
e80b002b 1605 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
7a195f46
PS		 1606 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1607 if (retval) {
1ba9ab2e
KD		 1608 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1609 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1610 ioc->name, mf, retval));
1611 mpt_free_msg_frame(ioc, mf);
1612 mpt_clear_taskmgmt_in_progress_flag(ioc);
1613 goto out;
7a195f46 1614 }
1da177e4
LT		 1615 }
1616
1ba9ab2e
KD		 1617 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1618 timeout*HZ);
1619 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1620 retval = FAILED;
1621 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1622 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1623 mpt_clear_taskmgmt_in_progress_flag(ioc);
1624 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1625 goto out;
1626 issue_hard_reset = 1;
1627 goto out;
1da177e4
LT		 1628 }
1629
1ba9ab2e
KD		 1630 retval = mptscsih_taskmgmt_reply(ioc, type,
1631 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
cd2c6191 1632
1ba9ab2e
KD		 1633 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1634 "TaskMgmt completed (%d seconds)\n",
1635 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
cd2c6191 1636
1ba9ab2e 1637 out:
cd2c6191 1638
1ba9ab2e
KD		 1639 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1640 if (issue_hard_reset) {
97009a29
KT		 1641 printk(MYIOC_s_WARN_FMT
1642 "Issuing Reset from %s!! doorbell=0x%08x\n",
1643 ioc->name, __func__, mpt_GetIocState(ioc, 0));
98cbe371 1644 retval = (ioc->bus_type == SAS) ?
1645 mpt_HardResetHandler(ioc, CAN_SLEEP) :
1646 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1ba9ab2e
KD		 1647 mpt_free_msg_frame(ioc, mf);
1648 }
1649
1650 retval = (retval == 0) ? 0 : FAILED;
1651 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1652 return retval;
1da177e4 1653}
1ba9ab2e 1654EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1da177e4 1655
d66c7a0f
CH		 1656static int
1657mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1658{
1659 switch (ioc->bus_type) {
1660 case FC:
1661 return 40;
1662 case SAS:
69b2e9b4 1663 return 30;
d66c7a0f
CH		 1664 case SPI:
1665 default:
22ab019b 1666 return 10;
d66c7a0f
CH		 1667 }
1668}
1669
1da177e4
LT		 1670/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1671/**
1672 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1673 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1674 *
1675 * (linux scsi_host_template.eh_abort_handler routine)
1676 *
1677 * Returns SUCCESS or FAILED.
cd2c6191 1678 **/
0d0c7974 1679int
1da177e4
LT		 1680mptscsih_abort(struct scsi_cmnd * SCpnt)
1681{
1682 MPT_SCSI_HOST *hd;
1da177e4
LT		 1683 MPT_FRAME_HDR *mf;
1684 u32 ctx2abort;
1685 int scpnt_idx;
466544d8 1686 int retval;
958d4a32 1687 VirtDevice *vdevice;
958d4a32 1688 MPT_ADAPTER *ioc;
1da177e4
LT		 1689
1690 /* If we can't locate our host adapter structure, return FAILED status.
1691 */
e7eae9f6 1692 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1da177e4
LT		 1693 SCpnt->result = DID_RESET << 16;
1694 SCpnt->scsi_done(SCpnt);
29dd3609
EM		 1695 printk(KERN_ERR MYNAM ": task abort: "
1696 "can't locate host! (sc=%p)\n", SCpnt);
1da177e4
LT		 1697 return FAILED;
1698 }
1699
958d4a32
EM		 1700 ioc = hd->ioc;
1701 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1702 ioc->name, SCpnt);
1703 scsi_print_command(SCpnt);
1704
1705 vdevice = SCpnt->device->hostdata;
1706 if (!vdevice || !vdevice->vtarget) {
29dd3609
EM		 1707 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1708 "task abort: device has been deleted (sc=%p)\n",
1709 ioc->name, SCpnt));
958d4a32
EM		 1710 SCpnt->result = DID_NO_CONNECT << 16;
1711 SCpnt->scsi_done(SCpnt);
69b2e9b4 1712 retval = SUCCESS;
958d4a32
EM		 1713 goto out;
1714 }
1715
cc78d30a
EM		 1716 /* Task aborts are not supported for hidden raid components.
1717 */
1718 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
29dd3609
EM		 1719 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1720 "task abort: hidden raid component (sc=%p)\n",
1721 ioc->name, SCpnt));
cc78d30a
EM		 1722 SCpnt->result = DID_RESET << 16;
1723 retval = FAILED;
1724 goto out;
1725 }
1726
69b2e9b4
KD		 1727 /* Task aborts are not supported for volumes.
1728 */
1729 if (vdevice->vtarget->raidVolume) {
1730 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1731 "task abort: raid volume (sc=%p)\n",
1732 ioc->name, SCpnt));
1733 SCpnt->result = DID_RESET << 16;
1734 retval = FAILED;
1735 goto out;
1736 }
1737
1da177e4
LT		 1738 /* Find this command
1739 */
e8206381 1740 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
466544d8 1741 /* Cmd not found in ScsiLookup.
1da177e4
LT		 1742 * Do OS callback.
1743 */
1744 SCpnt->result = DID_RESET << 16;
29dd3609 1745 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
958d4a32
EM		 1746 "Command not in the active list! (sc=%p)\n", ioc->name,
1747 SCpnt));
9858ae38 1748 retval = SUCCESS;
958d4a32 1749 goto out;
1da177e4
LT		 1750 }
1751
2f187862
KD		 1752 if (ioc->timeouts < -1)
1753 ioc->timeouts++;
65207fed 1754
2f4c782c
KD		 1755 if (mpt_fwfault_debug)
1756 mpt_halt_firmware(ioc);
1757
1da177e4
LT		 1758 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1759 * (the IO to be ABORT'd)
1760 *
1761 * NOTE: Since we do not byteswap MsgContext, we do not
1762 * swap it here either. It is an opaque cookie to
1763 * the controller, so it does not matter. -DaveM
1764 */
e80b002b 1765 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1da177e4 1766 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1ba9ab2e
KD		 1767 retval = mptscsih_IssueTaskMgmt(hd,
1768 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1769 vdevice->vtarget->channel,
1770 vdevice->vtarget->id, vdevice->lun,
1771 ctx2abort, mptscsih_get_tm_timeout(ioc));
1da177e4 1772
aeaeb5ce 1773 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
2f187862
KD		 1774 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1775 "task abort: command still in active list! (sc=%p)\n",
1776 ioc->name, SCpnt));
3dc0b03f 1777 retval = FAILED;
2f187862
KD		 1778 } else {
1779 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1780 "task abort: command cleared from active list! (sc=%p)\n",
1781 ioc->name, SCpnt));
1782 retval = SUCCESS;
1783 }
3dc0b03f 1784
958d4a32 1785 out:
aeaeb5ce 1786 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
bcfe42e9 1787 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
aeaeb5ce 1788 SCpnt);
1da177e4 1789
2f187862 1790 return retval;
1da177e4
LT		 1791}
1792
1793/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1794/**
1795 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1796 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1797 *
1798 * (linux scsi_host_template.eh_dev_reset_handler routine)
1799 *
1800 * Returns SUCCESS or FAILED.
cd2c6191 1801 **/
0d0c7974 1802int
1da177e4
LT		 1803mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1804{
1805 MPT_SCSI_HOST *hd;
466544d8 1806 int retval;
958d4a32
EM		 1807 VirtDevice *vdevice;
1808 MPT_ADAPTER *ioc;
1da177e4
LT		 1809
1810 /* If we can't locate our host adapter structure, return FAILED status.
1811 */
e7eae9f6 1812 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
29dd3609
EM		 1813 printk(KERN_ERR MYNAM ": target reset: "
1814 "Can't locate host! (sc=%p)\n", SCpnt);
1da177e4
LT		 1815 return FAILED;
1816 }
1817
958d4a32
EM		 1818 ioc = hd->ioc;
1819 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1820 ioc->name, SCpnt);
466544d8 1821 scsi_print_command(SCpnt);
1da177e4 1822
958d4a32
EM		 1823 vdevice = SCpnt->device->hostdata;
1824 if (!vdevice || !vdevice->vtarget) {
bcfe42e9 1825 retval = 0;
958d4a32
EM		 1826 goto out;
1827 }
1828
cc78d30a
EM		 1829 /* Target reset to hidden raid component is not supported
1830 */
1831 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1832 retval = FAILED;
1833 goto out;
1834 }
1835
1ba9ab2e
KD		 1836 retval = mptscsih_IssueTaskMgmt(hd,
1837 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1838 vdevice->vtarget->channel,
1839 vdevice->vtarget->id, 0, 0,
1840 mptscsih_get_tm_timeout(ioc));
466544d8 1841
958d4a32
EM		 1842 out:
1843 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1844 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
466544d8
MED		 1845
1846 if (retval == 0)
1847 return SUCCESS;
cd2c6191
EM		 1848 else
1849 return FAILED;
1da177e4
LT		 1850}
1851
cd2c6191 1852
1da177e4
LT		 1853/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1854/**
1855 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1856 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1857 *
1858 * (linux scsi_host_template.eh_bus_reset_handler routine)
1859 *
1860 * Returns SUCCESS or FAILED.
cd2c6191 1861 **/
0d0c7974 1862int
1da177e4
LT		 1863mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1864{
1865 MPT_SCSI_HOST *hd;
466544d8 1866 int retval;
a69de507 1867 VirtDevice *vdevice;
958d4a32 1868 MPT_ADAPTER *ioc;
1da177e4
LT		 1869
1870 /* If we can't locate our host adapter structure, return FAILED status.
1871 */
e7eae9f6 1872 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
29dd3609
EM		 1873 printk(KERN_ERR MYNAM ": bus reset: "
1874 "Can't locate host! (sc=%p)\n", SCpnt);
1da177e4
LT		 1875 return FAILED;
1876 }
1877
958d4a32
EM		 1878 ioc = hd->ioc;
1879 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1880 ioc->name, SCpnt);
466544d8 1881 scsi_print_command(SCpnt);
1da177e4 1882
2f187862
KD		 1883 if (ioc->timeouts < -1)
1884 ioc->timeouts++;
1da177e4 1885
a69de507 1886 vdevice = SCpnt->device->hostdata;
2f187862
KD		 1887 if (!vdevice || !vdevice->vtarget)
1888 return SUCCESS;
1ba9ab2e
KD		 1889 retval = mptscsih_IssueTaskMgmt(hd,
1890 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1891 vdevice->vtarget->channel, 0, 0, 0,
1892 mptscsih_get_tm_timeout(ioc));
1da177e4 1893
958d4a32
EM		 1894 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1895 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
466544d8
MED		 1896
1897 if (retval == 0)
1898 return SUCCESS;
cd2c6191
EM		 1899 else
1900 return FAILED;
1da177e4
LT		 1901}
1902
1903/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1904/**
d9489fb6 1905 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1da177e4
LT		 1906 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1907 *
1908 * (linux scsi_host_template.eh_host_reset_handler routine)
1909 *
1910 * Returns SUCCESS or FAILED.
1911 */
0d0c7974 1912int
1da177e4
LT		 1913mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1914{
1915 MPT_SCSI_HOST * hd;
2f187862 1916 int status = SUCCESS;
958d4a32 1917 MPT_ADAPTER *ioc;
2f187862 1918 int retval;
1da177e4
LT		 1919
1920 /* If we can't locate the host to reset, then we failed. */
e7eae9f6 1921 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
29dd3609
EM		 1922 printk(KERN_ERR MYNAM ": host reset: "
1923 "Can't locate host! (sc=%p)\n", SCpnt);
1da177e4
LT		 1924 return FAILED;
1925 }
1926
a6da74cb
JB		 1927 /* make sure we have no outstanding commands at this stage */
1928 mptscsih_flush_running_cmds(hd);
1929
958d4a32
EM		 1930 ioc = hd->ioc;
1931 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1932 ioc->name, SCpnt);
1da177e4
LT		 1933
1934 /* If our attempts to reset the host failed, then return a failed
1935 * status. The host will be taken off line by the SCSI mid-layer.
1936 */
d0f698c4 1937 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2f187862
KD		 1938 if (retval < 0)
1939 status = FAILED;
1940 else
1941 status = SUCCESS;
1da177e4 1942
958d4a32
EM		 1943 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1944 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1da177e4 1945
2f187862 1946 return status;
1da177e4
LT		 1947}
1948
1da177e4 1949static int
1ba9ab2e
KD		 1950mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
1951 SCSITaskMgmtReply_t *pScsiTmReply)
1da177e4 1952{
1ba9ab2e
KD		 1953 u16 iocstatus;
1954 u32 termination_count;
1955 int retval;
1da177e4 1956
1ba9ab2e
KD		 1957 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
1958 retval = FAILED;
1959 goto out;
1960 }
1da177e4 1961
1ba9ab2e 1962 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
1da177e4 1963
1ba9ab2e
KD		 1964 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
1965 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
1da177e4 1966
1ba9ab2e
KD		 1967 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1968 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
1969 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
1970 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
1971 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
1972 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
1973 termination_count));
1974
1975 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
1976 pScsiTmReply->ResponseCode)
1977 mptscsih_taskmgmt_response_code(ioc,
1978 pScsiTmReply->ResponseCode);
1da177e4 1979
1ba9ab2e
KD		 1980 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
1981 retval = 0;
1982 goto out;
1983 }
1984
1985 retval = FAILED;
1986 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
1987 if (termination_count == 1)
1988 retval = 0;
1989 goto out;
1990 }
1991
1992 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
1993 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
1994 retval = 0;
1995
1996 out:
1997 return retval;
1da177e4
LT		 1998}
1999
9f63bb73 2000/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
e7deff33 2001void
9f63bb73
ME		 2002mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2003{
2004 char *desc;
2005
2006 switch (response_code) {
2007 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2008 desc = "The task completed.";
2009 break;
2010 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2011 desc = "The IOC received an invalid frame status.";
2012 break;
2013 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2014 desc = "The task type is not supported.";
2015 break;
2016 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2017 desc = "The requested task failed.";
2018 break;
2019 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2020 desc = "The task completed successfully.";
2021 break;
2022 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2023 desc = "The LUN request is invalid.";
2024 break;
2025 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2026 desc = "The task is in the IOC queue and has not been sent to target.";
2027 break;
2028 default:
2029 desc = "unknown";
2030 break;
2031 }
2032 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2033 ioc->name, response_code, desc);
2034}
e7deff33 2035EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
9f63bb73 2036
1da177e4
LT		 2037/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2038/**
2039 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2040 * @ioc: Pointer to MPT_ADAPTER structure
2041 * @mf: Pointer to SCSI task mgmt request frame
2042 * @mr: Pointer to SCSI task mgmt reply frame
2043 *
2044 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2045 * of any SCSI task management request.
2046 * This routine is registered with the MPT (base) driver at driver
2047 * load/init time via the mpt_register() API call.
2048 *
2049 * Returns 1 indicating alloc'd request frame ptr should be freed.
cd2c6191 2050 **/
0d0c7974 2051int
1ba9ab2e
KD		 2052mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2053 MPT_FRAME_HDR *mr)
1da177e4 2054{
1ba9ab2e
KD		 2055 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2056 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
cd2c6191 2057
1ba9ab2e 2058 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
6757d6b4 2059
1ba9ab2e 2060 if (!mr)
cd2c6191 2061 goto out;
1da177e4 2062
1ba9ab2e
KD		 2063 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2064 memcpy(ioc->taskmgmt_cmds.reply, mr,
2065 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
cd2c6191 2066 out:
1ba9ab2e
KD		 2067 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2068 mpt_clear_taskmgmt_in_progress_flag(ioc);
2069 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2070 complete(&ioc->taskmgmt_cmds.done);
b68bf096
KD		 2071 if (ioc->bus_type == SAS)
2072 ioc->schedule_target_reset(ioc);
1ba9ab2e
KD		 2073 return 1;
2074 }
2075 return 0;
1da177e4
LT		 2076}
2077
2078/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2079/*
2080 * This is anyones guess quite frankly.
2081 */
0d0c7974 2082int
1da177e4
LT		 2083mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2084 sector_t capacity, int geom[])
2085{
2086 int heads;
2087 int sectors;
2088 sector_t cylinders;
2089 ulong dummy;
2090
2091 heads = 64;
2092 sectors = 32;
2093
2094 dummy = heads * sectors;
2095 cylinders = capacity;
2096 sector_div(cylinders,dummy);
2097
2098 /*
2099 * Handle extended translation size for logical drives
2100 * > 1Gb
2101 */
2102 if ((ulong)capacity >= 0x200000) {
2103 heads = 255;
2104 sectors = 63;
2105 dummy = heads * sectors;
2106 cylinders = capacity;
2107 sector_div(cylinders,dummy);
2108 }
2109
2110 /* return result */
2111 geom[0] = heads;
2112 geom[1] = sectors;
2113 geom[2] = cylinders;
2114
1da177e4
LT		 2115 return 0;
2116}
2117
f44e5461
ME		 2118/* Search IOC page 3 to determine if this is hidden physical disk
2119 *
2120 */
2121int
793955f5 2122mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
f44e5461 2123{
b506ade9 2124 struct inactive_raid_component_info *component_info;
a7938b0b
KD		 2125 int i, j;
2126 RaidPhysDiskPage1_t *phys_disk;
793955f5 2127 int rc = 0;
a7938b0b 2128 int num_paths;
f44e5461 2129
793955f5
EM		 2130 if (!ioc->raid_data.pIocPg3)
2131 goto out;
f44e5461 2132 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
793955f5
EM		 2133 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2134 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2135 rc = 1;
2136 goto out;
2137 }
c92f222e
JB		 2138 }
2139
a7938b0b
KD		 2140 if (ioc->bus_type != SAS)
2141 goto out;
2142
2143 /*
2144 * Check if dual path
2145 */
2146 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2147 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2148 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2149 if (num_paths < 2)
2150 continue;
2151 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2152 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2153 if (!phys_disk)
2154 continue;
2155 if ((mpt_raid_phys_disk_pg1(ioc,
2156 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2157 phys_disk))) {
2158 kfree(phys_disk);
2159 continue;
2160 }
2161 for (j = 0; j < num_paths; j++) {
2162 if ((phys_disk->Path[j].Flags &
2163 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2164 continue;
2165 if ((phys_disk->Path[j].Flags &
2166 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2167 continue;
2168 if ((id == phys_disk->Path[j].PhysDiskID) &&
2169 (channel == phys_disk->Path[j].PhysDiskBus)) {
2170 rc = 1;
2171 kfree(phys_disk);
2172 goto out;
2173 }
2174 }
2175 kfree(phys_disk);
2176 }
2177
2178
b506ade9
EM		 2179 /*
2180 * Check inactive list for matching phys disks
2181 */
2182 if (list_empty(&ioc->raid_data.inactive_list))
2183 goto out;
2184
ed5f606f 2185 mutex_lock(&ioc->raid_data.inactive_list_mutex);
b506ade9
EM		 2186 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2187 list) {
2188 if ((component_info->d.PhysDiskID == id) &&
2189 (component_info->d.PhysDiskBus == channel))
2190 rc = 1;
2191 }
ed5f606f 2192 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
b506ade9 2193
793955f5
EM		 2194 out:
2195 return rc;
c7c82987 2196}
793955f5 2197EXPORT_SYMBOL(mptscsih_is_phys_disk);
c7c82987 2198
793955f5
EM		 2199u8
2200mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
1da177e4 2201{
b506ade9 2202 struct inactive_raid_component_info *component_info;
a7938b0b
KD		 2203 int i, j;
2204 RaidPhysDiskPage1_t *phys_disk;
793955f5 2205 int rc = -ENXIO;
a7938b0b 2206 int num_paths;
c92f222e 2207
793955f5
EM		 2208 if (!ioc->raid_data.pIocPg3)
2209 goto out;
2210 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2211 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2212 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2213 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2214 goto out;
1da177e4 2215 }
1da177e4 2216 }
1da177e4 2217
a7938b0b
KD		 2218 if (ioc->bus_type != SAS)
2219 goto out;
2220
2221 /*
2222 * Check if dual path
2223 */
2224 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2225 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2226 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2227 if (num_paths < 2)
2228 continue;
2229 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2230 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2231 if (!phys_disk)
2232 continue;
2233 if ((mpt_raid_phys_disk_pg1(ioc,
2234 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2235 phys_disk))) {
2236 kfree(phys_disk);
2237 continue;
2238 }
2239 for (j = 0; j < num_paths; j++) {
2240 if ((phys_disk->Path[j].Flags &
2241 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2242 continue;
2243 if ((phys_disk->Path[j].Flags &
2244 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2245 continue;
2246 if ((id == phys_disk->Path[j].PhysDiskID) &&
2247 (channel == phys_disk->Path[j].PhysDiskBus)) {
2248 rc = phys_disk->PhysDiskNum;
2249 kfree(phys_disk);
2250 goto out;
2251 }
2252 }
2253 kfree(phys_disk);
2254 }
2255
b506ade9
EM		 2256 /*
2257 * Check inactive list for matching phys disks
2258 */
2259 if (list_empty(&ioc->raid_data.inactive_list))
2260 goto out;
2261
ed5f606f 2262 mutex_lock(&ioc->raid_data.inactive_list_mutex);
b506ade9
EM		 2263 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2264 list) {
2265 if ((component_info->d.PhysDiskID == id) &&
2266 (component_info->d.PhysDiskBus == channel))
2267 rc = component_info->d.PhysDiskNum;
2268 }
ed5f606f 2269 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
b506ade9 2270
793955f5
EM		 2271 out:
2272 return rc;
c7c82987 2273}
793955f5 2274EXPORT_SYMBOL(mptscsih_raid_id_to_num);
1da177e4 2275
c7c82987
MED		 2276/*
2277 * OS entry point to allow for host driver to free allocated memory
2278 * Called if no device present or device being unloaded
2279 */
2280void
2281mptscsih_slave_destroy(struct scsi_device *sdev)
2282{
2283 struct Scsi_Host *host = sdev->host;
e7eae9f6 2284 MPT_SCSI_HOST *hd = shost_priv(host);
c7c82987
MED		 2285 VirtTarget *vtarget;
2286 VirtDevice *vdevice;
2287 struct scsi_target *starget;
2288
2289 starget = scsi_target(sdev);
2290 vtarget = starget->hostdata;
2291 vdevice = sdev->hostdata;
08f5c5c2
KD		 2292 if (!vdevice)
2293 return;
c7c82987
MED		 2294
2295 mptscsih_search_running_cmds(hd, vdevice);
c7c82987 2296 vtarget->num_luns--;
c7c82987
MED		 2297 mptscsih_synchronize_cache(hd, vdevice);
2298 kfree(vdevice);
2299 sdev->hostdata = NULL;
1da177e4
LT		 2300}
2301
6e3815ba
MED		 2302/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2303/*
2304 * mptscsih_change_queue_depth - This function will set a devices queue depth
2305 * @sdev: per scsi_device pointer
2306 * @qdepth: requested queue depth
2307 *
2308 * Adding support for new 'change_queue_depth' api.
2309*/
2310int
db5ed4df 2311mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
1da177e4 2312{
e7eae9f6 2313 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
c7c82987
MED		 2314 VirtTarget *vtarget;
2315 struct scsi_target *starget;
2316 int max_depth;
e80b002b 2317 MPT_ADAPTER *ioc = hd->ioc;
1da177e4 2318
c7c82987
MED		 2319 starget = scsi_target(sdev);
2320 vtarget = starget->hostdata;
6e3815ba 2321
e80b002b 2322 if (ioc->bus_type == SPI) {
c92f222e 2323 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
1da177e4 2324 max_depth = 1;
c92f222e
JB		 2325 else if (sdev->type == TYPE_DISK &&
2326 vtarget->minSyncFactor <= MPT_ULTRA160)
2327 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2328 else
2329 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
1da177e4 2330 } else
79a3ec1a
KD		 2331 max_depth = ioc->sh->can_queue;
2332
2333 if (!sdev->tagged_supported)
2334 max_depth = 1;
1da177e4
LT		 2335
2336 if (qdepth > max_depth)
2337 qdepth = max_depth;
1da177e4 2338
db5ed4df 2339 return scsi_change_queue_depth(sdev, qdepth);
1da177e4
LT		 2340}
2341
1da177e4
LT		 2342/*
2343 * OS entry point to adjust the queue_depths on a per-device basis.
2344 * Called once per device the bus scan. Use it to force the queue_depth
2345 * member to 1 if a device does not support Q tags.
2346 * Return non-zero if fails.
2347 */
0d0c7974 2348int
c7c82987 2349mptscsih_slave_configure(struct scsi_device *sdev)
1da177e4 2350{
c7c82987
MED		 2351 struct Scsi_Host *sh = sdev->host;
2352 VirtTarget *vtarget;
2353 VirtDevice *vdevice;
2354 struct scsi_target *starget;
e7eae9f6 2355 MPT_SCSI_HOST *hd = shost_priv(sh);
e80b002b 2356 MPT_ADAPTER *ioc = hd->ioc;
1da177e4 2357
c7c82987
MED		 2358 starget = scsi_target(sdev);
2359 vtarget = starget->hostdata;
2360 vdevice = sdev->hostdata;
1da177e4 2361
e80b002b 2362 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
9cb78c16 2363 "device @ %p, channel=%d, id=%d, lun=%llu\n",
e80b002b
EM		 2364 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2365 if (ioc->bus_type == SPI)
2366 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
c7c82987 2367 "sdtr %d wdtr %d ppr %d inq length=%d\n",
e80b002b 2368 ioc->name, sdev->sdtr, sdev->wdtr,
c7c82987
MED		 2369 sdev->ppr, sdev->inquiry_len));
2370
793955f5 2371 vdevice->configured_lun = 1;
1da177e4 2372
e80b002b 2373 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1da177e4 2374 "Queue depth=%d, tflags=%x\n",
e80b002b 2375 ioc->name, sdev->queue_depth, vtarget->tflags));
1da177e4 2376
e80b002b
EM		 2377 if (ioc->bus_type == SPI)
2378 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
c7c82987 2379 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
e80b002b 2380 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
c7c82987 2381 vtarget->minSyncFactor));
1da177e4 2382
db5ed4df 2383 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
e80b002b 2384 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
609aa22f
CH		 2385 "tagged %d, simple %d\n",
2386 ioc->name,sdev->tagged_supported, sdev->simple_tags));
1da177e4 2387
2a1b7e57
RK		 2388 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2389
1da177e4
LT		 2390 return 0;
2391}
2392
1da177e4
LT		 2393/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2394/*
2395 * Private routines...
2396 */
2397
2398/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2399/* Utility function to copy sense data from the scsi_cmnd buffer
2400 * to the FC and SCSI target structures.
2401 *
2402 */
2403static void
0d0c7974 2404mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
1da177e4 2405{
a69de507 2406 VirtDevice *vdevice;
1da177e4
LT		 2407 SCSIIORequest_t *pReq;
2408 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
e80b002b 2409 MPT_ADAPTER *ioc = hd->ioc;
1da177e4
LT		 2410
2411 /* Get target structure
2412 */
2413 pReq = (SCSIIORequest_t *) mf;
a69de507 2414 vdevice = sc->device->hostdata;
1da177e4
LT		 2415
2416 if (sense_count) {
2417 u8 *sense_data;
2418 int req_index;
2419
2420 /* Copy the sense received into the scsi command block. */
2421 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
e80b002b 2422 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
1da177e4
LT		 2423 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2424
2425 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2426 */
e80b002b 2427 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
a69de507 2428 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
1da177e4 2429 int idx;
1da177e4 2430
5b5ef4f6 2431 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
1da177e4
LT		 2432 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2433 ioc->events[idx].eventContext = ioc->eventContext;
2434
3d9780b9
DJ		 2435 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2436 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2437 (sc->device->channel << 8) | sc->device->id;
1da177e4 2438
3d9780b9 2439 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
1da177e4
LT		 2440
2441 ioc->eventContext++;
e80b002b 2442 if (ioc->pcidev->vendor ==
786899b0 2443 PCI_VENDOR_ID_IBM) {
e80b002b 2444 mptscsih_issue_sep_command(ioc,
a69de507
EM		 2445 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2446 vdevice->vtarget->tflags |=
786899b0
EM		 2447 MPT_TARGET_FLAGS_LED_ON;
2448 }
1da177e4
LT		 2449 }
2450 }
2451 } else {
e80b002b
EM		 2452 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2453 ioc->name));
1da177e4
LT		 2454 }
2455}
2456
db7051b2
KD		 2457/**
2458 * mptscsih_get_scsi_lookup - retrieves scmd entry
2459 * @ioc: Pointer to MPT_ADAPTER structure
2460 * @i: index into the array
2461 *
2462 * Returns the scsi_cmd pointer
2463 */
2464struct scsi_cmnd *
2465mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2466{
2467 unsigned long flags;
2468 struct scsi_cmnd *scmd;
2469
2470 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2471 scmd = ioc->ScsiLookup[i];
2472 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2473
2474 return scmd;
2475}
2476EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
e8206381
EM		 2477
2478/**
fc847ab4 2479 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2f187862
KD		 2480 * @ioc: Pointer to MPT_ADAPTER structure
2481 * @i: index into the array
2482 *
7105a387 2483 * Returns the scsi_cmd pointer
2f187862 2484 *
e8206381
EM		 2485 **/
2486static struct scsi_cmnd *
2487mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2488{
2489 unsigned long flags;
2490 struct scsi_cmnd *scmd;
2491
2492 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2493 scmd = ioc->ScsiLookup[i];
2494 ioc->ScsiLookup[i] = NULL;
2495 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2496
2497 return scmd;
2498}
2499
2500/**
9b8f77a1 2501 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
e8206381
EM		 2502 *
2503 * @ioc: Pointer to MPT_ADAPTER structure
2504 * @i: index into the array
2505 * @scmd: scsi_cmnd pointer
2506 *
2507 **/
2508static void
2509mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2510{
2511 unsigned long flags;
1da177e4 2512
e8206381
EM		 2513 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2514 ioc->ScsiLookup[i] = scmd;
2515 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2516}
2517
2518/**
23f9b75e 2519 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
e8206381 2520 * @ioc: Pointer to MPT_ADAPTER structure
23f9b75e
RD		 2521 * @sc: scsi_cmnd pointer
2522 */
e8206381
EM		 2523static int
2524SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2525{
2526 unsigned long flags;
2527 int i, index=-1;
1da177e4 2528
e8206381
EM		 2529 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2530 for (i = 0; i < ioc->req_depth; i++) {
2531 if (ioc->ScsiLookup[i] == sc) {
2532 index = i;
2533 goto out;
1da177e4
LT		 2534 }
2535 }
2536
e8206381
EM		 2537 out:
2538 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2539 return index;
1da177e4
LT		 2540}
2541
2542/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
0d0c7974 2543int
1da177e4
LT		 2544mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2545{
2546 MPT_SCSI_HOST *hd;
1da177e4 2547
e7eae9f6 2548 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
1da177e4 2549 return 0;
1da177e4 2550
37c60f37
KD		 2551 hd = shost_priv(ioc->sh);
2552 switch (reset_phase) {
2553 case MPT_IOC_SETUP_RESET:
2554 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2555 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
37c60f37
KD		 2556 break;
2557 case MPT_IOC_PRE_RESET:
2558 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2559 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
37c60f37
KD		 2560 mptscsih_flush_running_cmds(hd);
2561 break;
2562 case MPT_IOC_POST_RESET:
2563 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2564 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2565 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2566 ioc->internal_cmds.status |=
2567 MPT_MGMT_STATUS_DID_IOCRESET;
2568 complete(&ioc->internal_cmds.done);
1da177e4 2569 }
37c60f37
KD		 2570 break;
2571 default:
2572 break;
1da177e4 2573 }
1da177e4
LT		 2574 return 1; /* currently means nothing really */
2575}
2576
2577/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
0d0c7974 2578int
1da177e4
LT		 2579mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2580{
1da177e4
LT		 2581 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2582
37c60f37
KD		 2583 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2584 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2585 ioc->name, event));
1da177e4 2586
2f187862
KD		 2587 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2588 event == MPI_EVENT_EXT_BUS_RESET) &&
2589 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2590 ioc->soft_resets++;
1da177e4
LT		 2591
2592 return 1; /* currently means nothing really */
2593}
2594
1da177e4
LT		 2595/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2596/*
2597 * Bus Scan and Domain Validation functionality ...
2598 */
2599
2600/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2601/*
2602 * mptscsih_scandv_complete - Scan and DV callback routine registered
2603 * to Fustion MPT (base) driver.
2604 *
2605 * @ioc: Pointer to MPT_ADAPTER structure
2606 * @mf: Pointer to original MPT request frame
2607 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2608 *
2609 * This routine is called from mpt.c::mpt_interrupt() at the completion
2610 * of any SCSI IO request.
2611 * This routine is registered with the Fusion MPT (base) driver at driver
2612 * load/init time via the mpt_register() API call.
2613 *
2614 * Returns 1 indicating alloc'd request frame ptr should be freed.
2615 *
2616 * Remark: Sets a completion code and (possibly) saves sense data
2617 * in the IOC member localReply structure.
2618 * Used ONLY for DV and other internal commands.
2619 */
0d0c7974 2620int
37c60f37
KD		 2621mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2622 MPT_FRAME_HDR *reply)
1da177e4 2623{
1da177e4 2624 SCSIIORequest_t *pReq;
37c60f37
KD		 2625 SCSIIOReply_t *pReply;
2626 u8 cmd;
1da177e4 2627 u16 req_idx;
37c60f37
KD		 2628 u8 *sense_data;
2629 int sz;
1da177e4 2630
37c60f37
KD		 2631 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2632 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2633 if (!reply)
2634 goto out;
1da177e4 2635
37c60f37
KD		 2636 pReply = (SCSIIOReply_t *) reply;
2637 pReq = (SCSIIORequest_t *) req;
2638 ioc->internal_cmds.completion_code =
2639 mptscsih_get_completion_code(ioc, req, reply);
2640 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2641 memcpy(ioc->internal_cmds.reply, reply,
2642 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2643 cmd = reply->u.hdr.Function;
2644 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2645 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2646 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2647 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2648 sense_data = ((u8 *)ioc->sense_buf_pool +
2649 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2650 sz = min_t(int, pReq->SenseBufferLength,
2651 MPT_SENSE_BUFFER_ALLOC);
2652 memcpy(ioc->internal_cmds.sense, sense_data, sz);
1da177e4 2653 }
37c60f37
KD		 2654 out:
2655 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2656 return 0;
2657 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2658 complete(&ioc->internal_cmds.done);
1da177e4
LT		 2659 return 1;
2660}
2661
1da177e4 2662
37c60f37 2663/**
9b8f77a1 2664 * mptscsih_get_completion_code - get completion code from MPT request
37c60f37 2665 * @ioc: Pointer to MPT_ADAPTER structure
9cf46a35
RD		 2666 * @req: Pointer to original MPT request frame
2667 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
37c60f37
KD		 2668 *
2669 **/
2670static int
2671mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2672 MPT_FRAME_HDR *reply)
2673{
2674 SCSIIOReply_t *pReply;
2675 MpiRaidActionReply_t *pr;
2676 u8 scsi_status;
2677 u16 status;
2678 int completion_code;
2679
2680 pReply = (SCSIIOReply_t *)reply;
2681 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2682 scsi_status = pReply->SCSIStatus;
2683
2684 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2685 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2686 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2687 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2688
2689 switch (status) {
2690
2691 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2692 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2693 break;
2694
2695 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2696 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2697 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2698 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2699 completion_code = MPT_SCANDV_DID_RESET;
2700 break;
2701
2702 case MPI_IOCSTATUS_BUSY:
2703 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2704 completion_code = MPT_SCANDV_BUSY;
2705 break;
2706
2707 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2708 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2709 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2710 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2711 completion_code = MPT_SCANDV_GOOD;
2712 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2713 pr = (MpiRaidActionReply_t *)reply;
2714 if (le16_to_cpu(pr->ActionStatus) ==
2715 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2716 completion_code = MPT_SCANDV_GOOD;
2717 else
2718 completion_code = MPT_SCANDV_SOME_ERROR;
2719 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2720 completion_code = MPT_SCANDV_SENSE;
2721 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2722 if (req->u.scsireq.CDB[0] == INQUIRY)
2723 completion_code = MPT_SCANDV_ISSUE_SENSE;
2724 else
2725 completion_code = MPT_SCANDV_DID_RESET;
2726 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2727 completion_code = MPT_SCANDV_DID_RESET;
2728 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2729 completion_code = MPT_SCANDV_DID_RESET;
2730 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2731 completion_code = MPT_SCANDV_BUSY;
2732 else
2733 completion_code = MPT_SCANDV_GOOD;
2734 break;
2735
2736 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2737 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2738 completion_code = MPT_SCANDV_DID_RESET;
2739 else
2740 completion_code = MPT_SCANDV_SOME_ERROR;
2741 break;
2742 default:
2743 completion_code = MPT_SCANDV_SOME_ERROR;
2744 break;
2745
2746 } /* switch(status) */
2747
2748 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2749 " completionCode set to %08xh\n", ioc->name, completion_code));
2750 return completion_code;
2751}
1da177e4
LT		 2752
2753/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2754/**
2755 * mptscsih_do_cmd - Do internal command.
2756 * @hd: MPT_SCSI_HOST pointer
2757 * @io: INTERNAL_CMD pointer.
2758 *
2759 * Issue the specified internally generated command and do command
2760 * specific cleanup. For bus scan / DV only.
2761 * NOTES: If command is Inquiry and status is good,
2762 * initialize a target structure, save the data
2763 *
2764 * Remark: Single threaded access only.
2765 *
2766 * Return:
2767 * < 0 if an illegal command or no resources
2768 *
2769 * 0 if good
2770 *
2771 * > 0 if command complete but some type of completion error.
2772 */
2773static int
2774mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2775{
2776 MPT_FRAME_HDR *mf;
2777 SCSIIORequest_t *pScsiReq;
1da177e4 2778 int my_idx, ii, dir;
37c60f37 2779 int timeout;
1da177e4
LT		 2780 char cmdLen;
2781 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
37c60f37
KD		 2782 u8 cmd = io->cmd;
2783 MPT_ADAPTER *ioc = hd->ioc;
2784 int ret = 0;
2785 unsigned long timeleft;
2786 unsigned long flags;
1da177e4 2787
1ba9ab2e
KD		 2788 /* don't send internal command during diag reset */
2789 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2790 if (ioc->ioc_reset_in_progress) {
2791 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2792 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2793 "%s: busy with host reset\n", ioc->name, __func__));
2794 return MPT_SCANDV_BUSY;
2795 }
2796 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2797
37c60f37 2798 mutex_lock(&ioc->internal_cmds.mutex);
1da177e4
LT		 2799
2800 /* Set command specific information
2801 */
2802 switch (cmd) {
2803 case INQUIRY:
2804 cmdLen = 6;
2805 dir = MPI_SCSIIO_CONTROL_READ;
2806 CDB[0] = cmd;
2807 CDB[4] = io->size;
37c60f37 2808 timeout = 10;
1da177e4
LT		 2809 break;
2810
2811 case TEST_UNIT_READY:
2812 cmdLen = 6;
2813 dir = MPI_SCSIIO_CONTROL_READ;
37c60f37 2814 timeout = 10;
1da177e4
LT		 2815 break;
2816
2817 case START_STOP:
2818 cmdLen = 6;
2819 dir = MPI_SCSIIO_CONTROL_READ;
2820 CDB[0] = cmd;
2821 CDB[4] = 1; /*Spin up the disk */
37c60f37 2822 timeout = 15;
1da177e4
LT		 2823 break;
2824
2825 case REQUEST_SENSE:
2826 cmdLen = 6;
2827 CDB[0] = cmd;
2828 CDB[4] = io->size;
2829 dir = MPI_SCSIIO_CONTROL_READ;
37c60f37 2830 timeout = 10;
1da177e4
LT		 2831 break;
2832
2833 case READ_BUFFER:
2834 cmdLen = 10;
2835 dir = MPI_SCSIIO_CONTROL_READ;
2836 CDB[0] = cmd;
2837 if (io->flags & MPT_ICFLAG_ECHO) {
2838 CDB[1] = 0x0A;
2839 } else {
2840 CDB[1] = 0x02;
2841 }
2842
2843 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2844 CDB[1] |= 0x01;
2845 }
2846 CDB[6] = (io->size >> 16) & 0xFF;
2847 CDB[7] = (io->size >> 8) & 0xFF;
2848 CDB[8] = io->size & 0xFF;
37c60f37 2849 timeout = 10;
1da177e4
LT		 2850 break;
2851
2852 case WRITE_BUFFER:
2853 cmdLen = 10;
2854 dir = MPI_SCSIIO_CONTROL_WRITE;
2855 CDB[0] = cmd;
2856 if (io->flags & MPT_ICFLAG_ECHO) {
2857 CDB[1] = 0x0A;
2858 } else {
2859 CDB[1] = 0x02;
2860 }
2861 CDB[6] = (io->size >> 16) & 0xFF;
2862 CDB[7] = (io->size >> 8) & 0xFF;
2863 CDB[8] = io->size & 0xFF;
37c60f37 2864 timeout = 10;
1da177e4
LT		 2865 break;
2866
2867 case RESERVE:
2868 cmdLen = 6;
2869 dir = MPI_SCSIIO_CONTROL_READ;
2870 CDB[0] = cmd;
37c60f37 2871 timeout = 10;
1da177e4
LT		 2872 break;
2873
2874 case RELEASE:
2875 cmdLen = 6;
2876 dir = MPI_SCSIIO_CONTROL_READ;
2877 CDB[0] = cmd;
37c60f37 2878 timeout = 10;
1da177e4
LT		 2879 break;
2880
2881 case SYNCHRONIZE_CACHE:
2882 cmdLen = 10;
2883 dir = MPI_SCSIIO_CONTROL_READ;
2884 CDB[0] = cmd;
2885// CDB[1] = 0x02; /* set immediate bit */
37c60f37 2886 timeout = 10;
1da177e4
LT		 2887 break;
2888
2889 default:
2890 /* Error Case */
37c60f37
KD		 2891 ret = -EFAULT;
2892 goto out;
1da177e4
LT		 2893 }
2894
2895 /* Get and Populate a free Frame
37c60f37 2896 * MsgContext set in mpt_get_msg_frame call
1da177e4 2897 */
e80b002b 2898 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
37c60f37
KD		 2899 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2900 ioc->name, __func__));
2901 ret = MPT_SCANDV_BUSY;
2902 goto out;
1da177e4
LT		 2903 }
2904
2905 pScsiReq = (SCSIIORequest_t *) mf;
2906
2907 /* Get the request index */
2908 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2909 ADD_INDEX_LOG(my_idx); /* for debug */
2910
2911 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2912 pScsiReq->TargetID = io->physDiskNum;
2913 pScsiReq->Bus = 0;
2914 pScsiReq->ChainOffset = 0;
2915 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2916 } else {
2917 pScsiReq->TargetID = io->id;
793955f5 2918 pScsiReq->Bus = io->channel;
1da177e4
LT		 2919 pScsiReq->ChainOffset = 0;
2920 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2921 }
2922
2923 pScsiReq->CDBLength = cmdLen;
2924 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2925
2926 pScsiReq->Reserved = 0;
2927
14d0f0b0 2928 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1da177e4
LT		 2929 /* MsgContext set in mpt_get_msg_fram call */
2930
793955f5 2931 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
1da177e4
LT		 2932
2933 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2934 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
2935 else
2936 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2937
2938 if (cmd == REQUEST_SENSE) {
2939 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
37c60f37
KD		 2940 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2941 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
1da177e4
LT		 2942 }
2943
37c60f37 2944 for (ii = 0; ii < 16; ii++)
1da177e4
LT		 2945 pScsiReq->CDB[ii] = CDB[ii];
2946
2947 pScsiReq->DataLength = cpu_to_le32(io->size);
e80b002b 2948 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1da177e4
LT		 2949 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
2950
37c60f37 2951 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
9cb78c16 2952 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n",
37c60f37 2953 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
1da177e4 2954
37c60f37 2955 if (dir == MPI_SCSIIO_CONTROL_READ)
14d0f0b0 2956 ioc->add_sge((char *) &pScsiReq->SGL,
37c60f37
KD		 2957 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
2958 else
14d0f0b0 2959 ioc->add_sge((char *) &pScsiReq->SGL,
37c60f37 2960 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
1da177e4 2961
37c60f37 2962 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
e80b002b 2963 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
37c60f37
KD		 2964 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
2965 timeout*HZ);
2966 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2967 ret = MPT_SCANDV_DID_RESET;
2968 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2969 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
2970 cmd));
2971 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
2972 mpt_free_msg_frame(ioc, mf);
2973 goto out;
2974 }
2975 if (!timeleft) {
97009a29
KT		 2976 printk(MYIOC_s_WARN_FMT
2977 "Issuing Reset from %s!! doorbell=0x%08xh"
2978 " cmd=0x%02x\n",
2979 ioc->name, __func__, mpt_GetIocState(ioc, 0),
2980 cmd);
d0f698c4 2981 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
37c60f37
KD		 2982 mpt_free_msg_frame(ioc, mf);
2983 }
2984 goto out;
1da177e4
LT		 2985 }
2986
37c60f37
KD		 2987 ret = ioc->internal_cmds.completion_code;
2988 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
2989 ioc->name, __func__, ret));
2990
2991 out:
2992 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
2993 mutex_unlock(&ioc->internal_cmds.mutex);
2994 return ret;
1da177e4
LT		 2995}
2996
c7c82987
MED		 2997/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2998/**
2999 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3000 * @hd: Pointer to a SCSI HOST structure
d9489fb6 3001 * @vdevice: virtual target device
c7c82987
MED		 3002 *
3003 * Uses the ISR, but with special processing.
3004 * MUST be single-threaded.
3005 *
3006 */
3007static void
3008mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3009{
3010 INTERNAL_CMD iocmd;
1da177e4 3011
cc78d30a
EM		 3012 /* Ignore hidden raid components, this is handled when the command
3013 * is sent to the volume
3014 */
3015 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3016 return;
3017
3018 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3019 !vdevice->configured_lun)
3020 return;
3021
c7c82987
MED		 3022 /* Following parameters will not change
3023 * in this routine.
3024 */
3025 iocmd.cmd = SYNCHRONIZE_CACHE;
3026 iocmd.flags = 0;
3027 iocmd.physDiskNum = -1;
3028 iocmd.data = NULL;
3029 iocmd.data_dma = -1;
3030 iocmd.size = 0;
3031 iocmd.rsvd = iocmd.rsvd2 = 0;
793955f5
EM		 3032 iocmd.channel = vdevice->vtarget->channel;
3033 iocmd.id = vdevice->vtarget->id;
3034 iocmd.lun = vdevice->lun;
1da177e4 3035
cc78d30a 3036 mptscsih_do_cmd(hd, &iocmd);
1da177e4
LT		 3037}
3038
edb9068d 3039static ssize_t
ee959b00
TJ		 3040mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3041 char *buf)
edb9068d 3042{
ee959b00 3043 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3044 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3045 MPT_ADAPTER *ioc = hd->ioc;
3046
3047 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3048 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3049 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3050 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3051 ioc->facts.FWVersion.Word & 0x000000FF);
3052}
ee959b00 3053static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
edb9068d
PS		 3054
3055static ssize_t
ee959b00
TJ		 3056mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3057 char *buf)
edb9068d 3058{
ee959b00 3059 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3060 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3061 MPT_ADAPTER *ioc = hd->ioc;
3062
3063 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3064 (ioc->biosVersion & 0xFF000000) >> 24,
3065 (ioc->biosVersion & 0x00FF0000) >> 16,
3066 (ioc->biosVersion & 0x0000FF00) >> 8,
3067 ioc->biosVersion & 0x000000FF);
3068}
ee959b00 3069static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
edb9068d
PS		 3070
3071static ssize_t
ee959b00
TJ		 3072mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3073 char *buf)
edb9068d 3074{
ee959b00 3075 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3076 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3077 MPT_ADAPTER *ioc = hd->ioc;
3078
3079 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3080}
ee959b00 3081static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
edb9068d
PS		 3082
3083static ssize_t
ee959b00
TJ		 3084mptscsih_version_product_show(struct device *dev,
3085 struct device_attribute *attr,
3086char *buf)
edb9068d 3087{
ee959b00 3088 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3089 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3090 MPT_ADAPTER *ioc = hd->ioc;
3091
3092 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3093}
ee959b00 3094static DEVICE_ATTR(version_product, S_IRUGO,
edb9068d
PS		 3095 mptscsih_version_product_show, NULL);
3096
3097static ssize_t
ee959b00
TJ		 3098mptscsih_version_nvdata_persistent_show(struct device *dev,
3099 struct device_attribute *attr,
3100 char *buf)
edb9068d 3101{
ee959b00 3102 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3103 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3104 MPT_ADAPTER *ioc = hd->ioc;
3105
3106 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3107 ioc->nvdata_version_persistent);
3108}
ee959b00 3109static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
edb9068d
PS		 3110 mptscsih_version_nvdata_persistent_show, NULL);
3111
3112static ssize_t
ee959b00
TJ		 3113mptscsih_version_nvdata_default_show(struct device *dev,
3114 struct device_attribute *attr, char *buf)
edb9068d 3115{
ee959b00 3116 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3117 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3118 MPT_ADAPTER *ioc = hd->ioc;
3119
3120 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3121}
ee959b00 3122static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
edb9068d
PS		 3123 mptscsih_version_nvdata_default_show, NULL);
3124
3125static ssize_t
ee959b00
TJ		 3126mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3127 char *buf)
edb9068d 3128{
ee959b00 3129 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3130 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3131 MPT_ADAPTER *ioc = hd->ioc;
3132
3133 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3134}
ee959b00 3135static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
edb9068d
PS		 3136
3137static ssize_t
ee959b00
TJ		 3138mptscsih_board_assembly_show(struct device *dev,
3139 struct device_attribute *attr, char *buf)
edb9068d 3140{
ee959b00 3141 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3142 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3143 MPT_ADAPTER *ioc = hd->ioc;
3144
3145 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3146}
ee959b00 3147static DEVICE_ATTR(board_assembly, S_IRUGO,
edb9068d
PS		 3148 mptscsih_board_assembly_show, NULL);
3149
3150static ssize_t
ee959b00
TJ		 3151mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3152 char *buf)
edb9068d 3153{
ee959b00 3154 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3155 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3156 MPT_ADAPTER *ioc = hd->ioc;
3157
3158 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3159}
ee959b00 3160static DEVICE_ATTR(board_tracer, S_IRUGO,
edb9068d
PS		 3161 mptscsih_board_tracer_show, NULL);
3162
3163static ssize_t
ee959b00
TJ		 3164mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3165 char *buf)
edb9068d 3166{
ee959b00 3167 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3168 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3169 MPT_ADAPTER *ioc = hd->ioc;
3170
3171 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3172}
ee959b00 3173static DEVICE_ATTR(io_delay, S_IRUGO,
edb9068d
PS		 3174 mptscsih_io_delay_show, NULL);
3175
3176static ssize_t
ee959b00
TJ		 3177mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3178 char *buf)
edb9068d 3179{
ee959b00 3180 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3181 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3182 MPT_ADAPTER *ioc = hd->ioc;
3183
3184 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3185}
ee959b00 3186static DEVICE_ATTR(device_delay, S_IRUGO,
edb9068d
PS		 3187 mptscsih_device_delay_show, NULL);
3188
6757d6b4 3189static ssize_t
ee959b00
TJ		 3190mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3191 char *buf)
6757d6b4 3192{
ee959b00 3193 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3194 MPT_SCSI_HOST *hd = shost_priv(host);
6757d6b4
PS		 3195 MPT_ADAPTER *ioc = hd->ioc;
3196
3197 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3198}
3199static ssize_t
ee959b00
TJ		 3200mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3201 const char *buf, size_t count)
6757d6b4 3202{
ee959b00 3203 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3204 MPT_SCSI_HOST *hd = shost_priv(host);
6757d6b4
PS		 3205 MPT_ADAPTER *ioc = hd->ioc;
3206 int val = 0;
3207
3208 if (sscanf(buf, "%x", &val) != 1)
3209 return -EINVAL;
3210
3211 ioc->debug_level = val;
3212 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3213 ioc->name, ioc->debug_level);
3214 return strlen(buf);
3215}
ee959b00
TJ		 3216static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3217 mptscsih_debug_level_show, mptscsih_debug_level_store);
3218
3219struct device_attribute *mptscsih_host_attrs[] = {
3220 &dev_attr_version_fw,
3221 &dev_attr_version_bios,
3222 &dev_attr_version_mpi,
3223 &dev_attr_version_product,
3224 &dev_attr_version_nvdata_persistent,
3225 &dev_attr_version_nvdata_default,
3226 &dev_attr_board_name,
3227 &dev_attr_board_assembly,
3228 &dev_attr_board_tracer,
3229 &dev_attr_io_delay,
3230 &dev_attr_device_delay,
3231 &dev_attr_debug_level,
edb9068d
PS		 3232 NULL,
3233};
37c60f37 3234
edb9068d
PS		 3235EXPORT_SYMBOL(mptscsih_host_attrs);
3236
0d0c7974
MED		 3237EXPORT_SYMBOL(mptscsih_remove);
3238EXPORT_SYMBOL(mptscsih_shutdown);
3239#ifdef CONFIG_PM
3240EXPORT_SYMBOL(mptscsih_suspend);
3241EXPORT_SYMBOL(mptscsih_resume);
3242#endif
cac19703 3243EXPORT_SYMBOL(mptscsih_show_info);
0d0c7974
MED		 3244EXPORT_SYMBOL(mptscsih_info);
3245EXPORT_SYMBOL(mptscsih_qcmd);
0d0c7974
MED		 3246EXPORT_SYMBOL(mptscsih_slave_destroy);
3247EXPORT_SYMBOL(mptscsih_slave_configure);
3248EXPORT_SYMBOL(mptscsih_abort);
3249EXPORT_SYMBOL(mptscsih_dev_reset);
3250EXPORT_SYMBOL(mptscsih_bus_reset);
3251EXPORT_SYMBOL(mptscsih_host_reset);
3252EXPORT_SYMBOL(mptscsih_bios_param);
3253EXPORT_SYMBOL(mptscsih_io_done);
3254EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3255EXPORT_SYMBOL(mptscsih_scandv_complete);
3256EXPORT_SYMBOL(mptscsih_event_process);
3257EXPORT_SYMBOL(mptscsih_ioc_reset);
6e3815ba 3258EXPORT_SYMBOL(mptscsih_change_queue_depth);
1da177e4 3259
0d0c7974 3260/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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