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[net-next-2.6.git] / drivers / message / fusion / mptscsih.c
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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
KD		 97int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
98 int 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);
2f187862
KD		 539 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %d\n",
540 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
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;
667 scsi_state = pScsiReply->SCSIState;
668 scsi_status = pScsiReply->SCSIStatus;
669 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
1928d73f 670 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
c6c727a1 671 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
1da177e4 672
466544d8
MED		 673 /*
674 * if we get a data underrun indication, yet no data was
675 * transferred and the SCSI status indicates that the
676 * command was never started, change the data underrun
677 * to success
678 */
679 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
680 (scsi_status == MPI_SCSI_STATUS_BUSY ||
681 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
682 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
683 status = MPI_IOCSTATUS_SUCCESS;
684 }
685
1da177e4 686 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
0d0c7974
MED		 687 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
688
1da177e4
LT		 689 /*
690 * Look for + dump FCP ResponseInfo[]!
691 */
466544d8
MED		 692 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
693 pScsiReply->ResponseInfo) {
29dd3609
EM		 694 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%d] "
695 "FCP_ResponseInfo=%08xh\n", ioc->name,
c6c727a1
EM		 696 sc->device->host->host_no, sc->device->channel,
697 sc->device->id, sc->device->lun,
1da177e4
LT		 698 le32_to_cpu(pScsiReply->ResponseInfo));
699 }
700
701 switch(status) {
702 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
d23321b4 703 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
1da177e4
LT		 704 /* CHECKME!
705 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
706 * But not: DID_BUS_BUSY lest one risk
707 * killing interrupt handler:-(
708 */
709 sc->result = SAM_STAT_BUSY;
710 break;
711
712 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
713 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
714 sc->result = DID_BAD_TARGET << 16;
715 break;
716
717 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
718 /* Spoof to SCSI Selection Timeout! */
65207fed
ME		 719 if (ioc->bus_type != FC)
720 sc->result = DID_NO_CONNECT << 16;
721 /* else fibre, just stall until rescan event */
722 else
723 sc->result = DID_REQUEUE << 16;
1da177e4
LT		 724
725 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
726 hd->sel_timeout[pScsiReq->TargetID]++;
786899b0 727
a69de507
EM		 728 vdevice = sc->device->hostdata;
729 if (!vdevice)
786899b0 730 break;
a69de507 731 vtarget = vdevice->vtarget;
786899b0
EM		 732 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
733 mptscsih_issue_sep_command(ioc, vtarget,
734 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
735 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
736 }
1da177e4
LT		 737 break;
738
1da177e4 739 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
bf451522
EM		 740 if ( ioc->bus_type == SAS ) {
741 u16 ioc_status = le16_to_cpu(pScsiReply->IOCStatus);
742 if (ioc_status & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
c6c727a1
EM		 743 if ((log_info & SAS_LOGINFO_MASK)
744 == SAS_LOGINFO_NEXUS_LOSS) {
bf451522
EM		 745 sc->result = (DID_BUS_BUSY << 16);
746 break;
747 }
748 }
86dd4242
EM		 749 } else if (ioc->bus_type == FC) {
750 /*
751 * The FC IOC may kill a request for variety of
752 * reasons, some of which may be recovered by a
753 * retry, some which are unlikely to be
754 * recovered. Return DID_ERROR instead of
755 * DID_RESET to permit retry of the command,
756 * just not an infinite number of them
757 */
758 sc->result = DID_ERROR << 16;
759 break;
bf451522
EM		 760 }
761
762 /*
763 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
764 */
765
766 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
1da177e4
LT		 767 /* Linux handles an unsolicited DID_RESET better
768 * than an unsolicited DID_ABORT.
769 */
770 sc->result = DID_RESET << 16;
771
2f187862
KD		 772 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
773 if (ioc->bus_type == FC)
774 sc->result = DID_ERROR << 16;
775 else
776 sc->result = DID_RESET << 16;
1da177e4
LT		 777 break;
778
779 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
1928d73f 780 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
466544d8
MED		 781 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
782 sc->result=DID_SOFT_ERROR << 16;
783 else /* Sufficient data transfer occurred */
1da177e4 784 sc->result = (DID_OK << 16) | scsi_status;
29dd3609 785 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
c6c727a1 786 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
29dd3609 787 ioc->name, sc->result, sc->device->channel, sc->device->id));
1da177e4 788 break;
0d0c7974 789
1da177e4
LT		 790 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
791 /*
792 * Do upfront check for valid SenseData and give it
793 * precedence!
794 */
795 sc->result = (DID_OK << 16) | scsi_status;
9b53b392
KD		 796 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
797
798 /*
799 * For an Errata on LSI53C1030
800 * When the length of request data
801 * and transfer data are different
802 * with result of command (READ or VERIFY),
803 * DID_SOFT_ERROR is set.
1da177e4 804 */
9b53b392
KD		 805 if (ioc->bus_type == SPI) {
806 if (pScsiReq->CDB[0] == READ_6 ||
807 pScsiReq->CDB[0] == READ_10 ||
808 pScsiReq->CDB[0] == READ_12 ||
809 pScsiReq->CDB[0] == READ_16 ||
810 pScsiReq->CDB[0] == VERIFY ||
811 pScsiReq->CDB[0] == VERIFY_16) {
812 if (scsi_bufflen(sc) !=
813 xfer_cnt) {
814 sc->result =
815 DID_SOFT_ERROR << 16;
816 printk(KERN_WARNING "Errata"
817 "on LSI53C1030 occurred."
818 "sc->req_bufflen=0x%02x,"
819 "xfer_cnt=0x%02x\n",
820 scsi_bufflen(sc),
821 xfer_cnt);
822 }
823 }
824 }
825
1da177e4 826 if (xfer_cnt < sc->underflow) {
466544d8
MED		 827 if (scsi_status == SAM_STAT_BUSY)
828 sc->result = SAM_STAT_BUSY;
829 else
830 sc->result = DID_SOFT_ERROR << 16;
1da177e4
LT		 831 }
832 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
833 /* What to do?
834 */
835 sc->result = DID_SOFT_ERROR << 16;
836 }
837 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
838 /* Not real sure here either... */
839 sc->result = DID_RESET << 16;
840 }
841 }
842
6757d6b4 843
29dd3609
EM		 844 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
845 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
846 ioc->name, sc->underflow));
847 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
848 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
6757d6b4 849
1da177e4
LT		 850 /* Report Queue Full
851 */
852 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
853 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
0d0c7974 854
1da177e4
LT		 855 break;
856
7e55147f 857 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
1928d73f 858 scsi_set_resid(sc, 0);
1da177e4
LT		 859 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
860 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
ad8c31bb 861 sc->result = (DID_OK << 16) | scsi_status;
1da177e4
LT		 862 if (scsi_state == 0) {
863 ;
9b53b392
KD		 864 } else if (scsi_state &
865 MPI_SCSI_STATE_AUTOSENSE_VALID) {
866
867 /*
868 * For potential trouble on LSI53C1030.
869 * (date:2007.xx.)
870 * It is checked whether the length of
871 * request data is equal to
872 * the length of transfer and residual.
873 * MEDIUM_ERROR is set by incorrect data.
874 */
875 if ((ioc->bus_type == SPI) &&
876 (sc->sense_buffer[2] & 0x20)) {
877 u32 difftransfer;
878 difftransfer =
879 sc->sense_buffer[3] << 24 |
880 sc->sense_buffer[4] << 16 |
881 sc->sense_buffer[5] << 8 |
882 sc->sense_buffer[6];
883 if (((sc->sense_buffer[3] & 0x80) ==
884 0x80) && (scsi_bufflen(sc)
885 != xfer_cnt)) {
886 sc->sense_buffer[2] =
887 MEDIUM_ERROR;
888 sc->sense_buffer[12] = 0xff;
889 sc->sense_buffer[13] = 0xff;
890 printk(KERN_WARNING"Errata"
891 "on LSI53C1030 occurred."
892 "sc->req_bufflen=0x%02x,"
893 "xfer_cnt=0x%02x\n" ,
894 scsi_bufflen(sc),
895 xfer_cnt);
896 }
897 if (((sc->sense_buffer[3] & 0x80)
898 != 0x80) &&
899 (scsi_bufflen(sc) !=
900 xfer_cnt + difftransfer)) {
901 sc->sense_buffer[2] =
902 MEDIUM_ERROR;
903 sc->sense_buffer[12] = 0xff;
904 sc->sense_buffer[13] = 0xff;
905 printk(KERN_WARNING
906 "Errata on LSI53C1030 occurred"
907 "sc->req_bufflen=0x%02x,"
908 " xfer_cnt=0x%02x,"
909 "difftransfer=0x%02x\n",
910 scsi_bufflen(sc),
911 xfer_cnt,
912 difftransfer);
913 }
914 }
915
1da177e4
LT		 916 /*
917 * If running against circa 200003dd 909 MPT f/w,
918 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
919 * (QUEUE_FULL) returned from device! --> get 0x0000?128
920 * and with SenseBytes set to 0.
921 */
922 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
923 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
924
925 }
926 else if (scsi_state &
927 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
928 ) {
929 /*
930 * What to do?
931 */
932 sc->result = DID_SOFT_ERROR << 16;
933 }
934 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
935 /* Not real sure here either... */
936 sc->result = DID_RESET << 16;
937 }
938 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
939 /* Device Inq. data indicates that it supports
940 * QTags, but rejects QTag messages.
941 * This command completed OK.
942 *
943 * Not real sure here either so do nothing... */
944 }
945
946 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
947 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
948
949 /* Add handling of:
950 * Reservation Conflict, Busy,
951 * Command Terminated, CHECK
952 */
953 break;
954
955 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
956 sc->result = DID_SOFT_ERROR << 16;
957 break;
958
959 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
960 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
961 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
962 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
1da177e4
LT		 963 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
964 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
1da177e4
LT		 965 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
966 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
967 default:
968 /*
969 * What to do?
970 */
971 sc->result = DID_SOFT_ERROR << 16;
972 break;
973
974 } /* switch(status) */
975
6757d6b4
PS		 976#ifdef CONFIG_FUSION_LOGGING
977 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
978 mptscsih_info_scsiio(ioc, sc, pScsiReply);
c6c727a1
EM		 979#endif
980
1da177e4 981 } /* end of address reply case */
fea98403 982out:
1da177e4 983 /* Unmap the DMA buffers, if any. */
1928d73f 984 scsi_dma_unmap(sc);
1da177e4 985
1da177e4
LT		 986 sc->scsi_done(sc); /* Issue the command callback */
987
988 /* Free Chain buffers */
989 mptscsih_freeChainBuffers(ioc, req_idx);
990 return 1;
991}
992
1da177e4
LT		 993/*
994 * mptscsih_flush_running_cmds - For each command found, search
995 * Scsi_Host instance taskQ and reply to OS.
996 * Called only if recovering from a FW reload.
997 * @hd: Pointer to a SCSI HOST structure
998 *
999 * Returns: None.
1000 *
1001 * Must be called while new I/Os are being queued.
1002 */
1003static void
1004mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1005{
1006 MPT_ADAPTER *ioc = hd->ioc;
e8206381
EM		 1007 struct scsi_cmnd *sc;
1008 SCSIIORequest_t *mf = NULL;
1da177e4 1009 int ii;
e8206381 1010 int channel, id;
1da177e4 1011
e8206381
EM		 1012 for (ii= 0; ii < ioc->req_depth; ii++) {
1013 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1014 if (!sc)
1015 continue;
1016 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1017 if (!mf)
1018 continue;
1019 channel = mf->Bus;
1020 id = mf->TargetID;
1021 mptscsih_freeChainBuffers(ioc, ii);
1022 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1023 if ((unsigned char *)mf != sc->host_scribble)
1024 continue;
1025 scsi_dma_unmap(sc);
1026 sc->result = DID_RESET << 16;
1027 sc->host_scribble = NULL;
2f187862
KD		 1028 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1029 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1030 "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
e8206381 1031 sc->scsi_done(sc);
1da177e4 1032 }
1da177e4
LT		 1033}
1034
1035/*
1036 * mptscsih_search_running_cmds - Delete any commands associated
1037 * with the specified target and lun. Function called only
1038 * when a lun is disable by mid-layer.
1039 * Do NOT access the referenced scsi_cmnd structure or
1040 * members. Will cause either a paging or NULL ptr error.
05e8ec17 1041 * (BUT, BUT, BUT, the code does reference it! - mdr)
c7c82987
MED		 1042 * @hd: Pointer to a SCSI HOST structure
1043 * @vdevice: per device private data
1da177e4
LT		 1044 *
1045 * Returns: None.
1046 *
1047 * Called from slave_destroy.
1048 */
1049static void
c7c82987 1050mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1da177e4
LT		 1051{
1052 SCSIIORequest_t *mf = NULL;
1053 int ii;
466544d8 1054 struct scsi_cmnd *sc;
793955f5 1055 struct scsi_lun lun;
e80b002b 1056 MPT_ADAPTER *ioc = hd->ioc;
e8206381 1057 unsigned long flags;
1da177e4 1058
e8206381
EM		 1059 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1060 for (ii = 0; ii < ioc->req_depth; ii++) {
1061 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
1da177e4 1062
e80b002b 1063 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
3dc0b03f
EM		 1064 if (mf == NULL)
1065 continue;
cc78d30a
EM		 1066 /* If the device is a hidden raid component, then its
1067 * expected that the mf->function will be RAID_SCSI_IO
1068 */
1069 if (vdevice->vtarget->tflags &
1070 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1071 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1072 continue;
1073
793955f5
EM		 1074 int_to_scsilun(vdevice->lun, &lun);
1075 if ((mf->Bus != vdevice->vtarget->channel) ||
1076 (mf->TargetID != vdevice->vtarget->id) ||
1077 memcmp(lun.scsi_lun, mf->LUN, 8))
1da177e4
LT		 1078 continue;
1079
3dc0b03f
EM		 1080 if ((unsigned char *)mf != sc->host_scribble)
1081 continue;
e8206381
EM		 1082 ioc->ScsiLookup[ii] = NULL;
1083 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1084 mptscsih_freeChainBuffers(ioc, ii);
1085 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1928d73f 1086 scsi_dma_unmap(sc);
466544d8
MED		 1087 sc->host_scribble = NULL;
1088 sc->result = DID_NO_CONNECT << 16;
2f187862
KD		 1089 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1090 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1091 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1092 vdevice->vtarget->channel, vdevice->vtarget->id,
1093 sc, mf, ii));
466544d8 1094 sc->scsi_done(sc);
e8206381 1095 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1da177e4
LT		 1096 }
1097 }
e8206381 1098 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1da177e4
LT		 1099 return;
1100}
1101
1102/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1da177e4
LT		 1103
1104/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1105/*
1106 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
1107 * from a SCSI target device.
1108 * @sc: Pointer to scsi_cmnd structure
1109 * @pScsiReply: Pointer to SCSIIOReply_t
1110 * @pScsiReq: Pointer to original SCSI request
1111 *
1112 * This routine periodically reports QUEUE_FULL status returned from a
1113 * SCSI target device. It reports this to the console via kernel
1114 * printk() API call, not more than once every 10 seconds.
1115 */
1116static void
1117mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1118{
1119 long time = jiffies;
1da177e4 1120 MPT_SCSI_HOST *hd;
e80b002b 1121 MPT_ADAPTER *ioc;
1da177e4 1122
0d0c7974
MED		 1123 if (sc->device == NULL)
1124 return;
1125 if (sc->device->host == NULL)
1126 return;
e7eae9f6 1127 if ((hd = shost_priv(sc->device->host)) == NULL)
0d0c7974 1128 return;
e80b002b 1129 ioc = hd->ioc;
0d0c7974 1130 if (time - hd->last_queue_full > 10 * HZ) {
e80b002b
EM		 1131 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n",
1132 ioc->name, 0, sc->device->id, sc->device->lun));
0d0c7974 1133 hd->last_queue_full = time;
1da177e4 1134 }
1da177e4
LT		 1135}
1136
1137/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1138/*
1139 * mptscsih_remove - Removed scsi devices
1140 * @pdev: Pointer to pci_dev structure
1141 *
1142 *
1143 */
0d0c7974 1144void
1da177e4
LT		 1145mptscsih_remove(struct pci_dev *pdev)
1146{
1147 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1148 struct Scsi_Host *host = ioc->sh;
1149 MPT_SCSI_HOST *hd;
0d0c7974 1150 int sz1;
1da177e4 1151
1da177e4
LT		 1152 scsi_remove_host(host);
1153
e7eae9f6 1154 if((hd = shost_priv(host)) == NULL)
0d0c7974
MED		 1155 return;
1156
d18c3db5 1157 mptscsih_shutdown(pdev);
1da177e4 1158
0d0c7974 1159 sz1=0;
1da177e4 1160
e8206381 1161 if (ioc->ScsiLookup != NULL) {
e80b002b 1162 sz1 = ioc->req_depth * sizeof(void *);
e8206381
EM		 1163 kfree(ioc->ScsiLookup);
1164 ioc->ScsiLookup = NULL;
0d0c7974 1165 }
1da177e4 1166
e80b002b 1167 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
0d0c7974 1168 "Free'd ScsiLookup (%d) memory\n",
e80b002b 1169 ioc->name, sz1));
1da177e4 1170
d485eb83 1171 kfree(hd->info_kbuf);
1da177e4 1172
0d0c7974
MED		 1173 /* NULL the Scsi_Host pointer
1174 */
e80b002b 1175 ioc->sh = NULL;
1da177e4
LT		 1176
1177 scsi_host_put(host);
1da177e4 1178
0d0c7974 1179 mpt_detach(pdev);
c6678e0c 1180
1da177e4
LT		 1181}
1182
1183/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1184/*
1185 * mptscsih_shutdown - reboot notifier
1186 *
1187 */
0d0c7974 1188void
d18c3db5 1189mptscsih_shutdown(struct pci_dev *pdev)
1da177e4 1190{
1da177e4
LT		 1191}
1192
1193#ifdef CONFIG_PM
1194/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1195/*
0d0c7974 1196 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1da177e4
LT		 1197 *
1198 *
1199 */
0d0c7974 1200int
8d189f72 1201mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1da177e4 1202{
4d4109d0
PS		 1203 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1204
1205 scsi_block_requests(ioc->sh);
1206 flush_scheduled_work();
d18c3db5 1207 mptscsih_shutdown(pdev);
0d0c7974 1208 return mpt_suspend(pdev,state);
1da177e4
LT		 1209}
1210
1211/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1212/*
1213 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1214 *
1215 *
1216 */
0d0c7974 1217int
1da177e4
LT		 1218mptscsih_resume(struct pci_dev *pdev)
1219{
4d4109d0
PS		 1220 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1221 int rc;
1222
1223 rc = mpt_resume(pdev);
1224 scsi_unblock_requests(ioc->sh);
1225 return rc;
1da177e4
LT		 1226}
1227
1228#endif
1229
1da177e4
LT		 1230/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1231/**
1232 * mptscsih_info - Return information about MPT adapter
1233 * @SChost: Pointer to Scsi_Host structure
1234 *
1235 * (linux scsi_host_template.info routine)
1236 *
1237 * Returns pointer to buffer where information was written.
1238 */
0d0c7974 1239const char *
1da177e4
LT		 1240mptscsih_info(struct Scsi_Host *SChost)
1241{
1242 MPT_SCSI_HOST *h;
1243 int size = 0;
1244
e7eae9f6 1245 h = shost_priv(SChost);
0d0c7974 1246
1da177e4 1247 if (h) {
0d0c7974
MED		 1248 if (h->info_kbuf == NULL)
1249 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1250 return h->info_kbuf;
1251 h->info_kbuf[0] = '\0';
1252
1253 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1254 h->info_kbuf[size-1] = '\0';
1da177e4
LT		 1255 }
1256
0d0c7974 1257 return h->info_kbuf;
1da177e4
LT		 1258}
1259
1260struct info_str {
1261 char *buffer;
1262 int length;
1263 int offset;
1264 int pos;
1265};
1266
0d0c7974
MED		 1267static void
1268mptscsih_copy_mem_info(struct info_str *info, char *data, int len)
1da177e4
LT		 1269{
1270 if (info->pos + len > info->length)
1271 len = info->length - info->pos;
1272
1273 if (info->pos + len < info->offset) {
1274 info->pos += len;
1275 return;
1276 }
1277
1278 if (info->pos < info->offset) {
1279 data += (info->offset - info->pos);
1280 len -= (info->offset - info->pos);
1281 }
1282
1283 if (len > 0) {
1284 memcpy(info->buffer + info->pos, data, len);
1285 info->pos += len;
1286 }
1287}
1288
0d0c7974
MED		 1289static int
1290mptscsih_copy_info(struct info_str *info, char *fmt, ...)
1da177e4
LT		 1291{
1292 va_list args;
1293 char buf[81];
1294 int len;
1295
1296 va_start(args, fmt);
1297 len = vsprintf(buf, fmt, args);
1298 va_end(args);
1299
0d0c7974 1300 mptscsih_copy_mem_info(info, buf, len);
1da177e4
LT		 1301 return len;
1302}
1303
0d0c7974
MED		 1304static int
1305mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len)
1da177e4
LT		 1306{
1307 struct info_str info;
1308
1309 info.buffer = pbuf;
1310 info.length = len;
1311 info.offset = offset;
1312 info.pos = 0;
1313
0d0c7974
MED		 1314 mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name);
1315 mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1316 mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts);
1317 mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth);
1da177e4
LT		 1318
1319 return ((info.pos > info.offset) ? info.pos - info.offset : 0);
1320}
1321
1322/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1323/**
1324 * mptscsih_proc_info - Return information about MPT adapter
d9489fb6
RD		 1325 * @host: scsi host struct
1326 * @buffer: if write, user data; if read, buffer for user
1327 * @start: returns the buffer address
1328 * @offset: if write, 0; if read, the current offset into the buffer from
1329 * the previous read.
1330 * @length: if write, return length;
1331 * @func: write = 1; read = 0
1da177e4
LT		 1332 *
1333 * (linux scsi_host_template.info routine)
1da177e4 1334 */
0d0c7974 1335int
1da177e4
LT		 1336mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
1337 int length, int func)
1338{
e7eae9f6 1339 MPT_SCSI_HOST *hd = shost_priv(host);
1da177e4
LT		 1340 MPT_ADAPTER *ioc = hd->ioc;
1341 int size = 0;
1342
1343 if (func) {
c6678e0c
CH		 1344 /*
1345 * write is not supported
1da177e4
LT		 1346 */
1347 } else {
1348 if (start)
1349 *start = buffer;
1350
1351 size = mptscsih_host_info(ioc, buffer, offset, length);
1352 }
1353
1354 return size;
1355}
1356
1357/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1358#define ADD_INDEX_LOG(req_ent) do { } while(0)
1359
1360/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1361/**
1362 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1363 * @SCpnt: Pointer to scsi_cmnd structure
1364 * @done: Pointer SCSI mid-layer IO completion function
1365 *
1366 * (linux scsi_host_template.queuecommand routine)
1367 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1368 * from a linux scsi_cmnd request and send it to the IOC.
1369 *
1370 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1371 */
0d0c7974 1372int
1da177e4
LT		 1373mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1374{
1375 MPT_SCSI_HOST *hd;
1376 MPT_FRAME_HDR *mf;
1377 SCSIIORequest_t *pScsiReq;
a69de507 1378 VirtDevice *vdevice = SCpnt->device->hostdata;
1da177e4
LT		 1379 u32 datalen;
1380 u32 scsictl;
1381 u32 scsidir;
1382 u32 cmd_len;
1383 int my_idx;
1384 int ii;
6757d6b4 1385 MPT_ADAPTER *ioc;
1da177e4 1386
e7eae9f6 1387 hd = shost_priv(SCpnt->device->host);
6757d6b4 1388 ioc = hd->ioc;
1da177e4
LT		 1389 SCpnt->scsi_done = done;
1390
6757d6b4
PS		 1391 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n",
1392 ioc->name, SCpnt, done));
1da177e4 1393
e7deff33 1394 if (ioc->taskmgmt_quiesce_io) {
6757d6b4
PS		 1395 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "qcmd: SCpnt=%p timeout + 60HZ\n",
1396 ioc->name, SCpnt));
1da177e4
LT		 1397 return SCSI_MLQUEUE_HOST_BUSY;
1398 }
1399
1400 /*
1401 * Put together a MPT SCSI request...
1402 */
e80b002b 1403 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
6757d6b4
PS		 1404 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1405 ioc->name));
1da177e4
LT		 1406 return SCSI_MLQUEUE_HOST_BUSY;
1407 }
1408
1409 pScsiReq = (SCSIIORequest_t *) mf;
1410
1411 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1412
1413 ADD_INDEX_LOG(my_idx);
1414
0d0c7974 1415 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1da177e4
LT		 1416 * Seems we may receive a buffer (datalen>0) even when there
1417 * will be no data transfer! GRRRRR...
1418 */
1419 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1928d73f 1420 datalen = scsi_bufflen(SCpnt);
1da177e4
LT		 1421 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1422 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1928d73f 1423 datalen = scsi_bufflen(SCpnt);
1da177e4
LT		 1424 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1425 } else {
1426 datalen = 0;
1427 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1428 }
1429
1430 /* Default to untagged. Once a target structure has been allocated,
1431 * use the Inquiry data to determine if device supports tagged.
1432 */
a69de507
EM		 1433 if (vdevice
1434 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
1da177e4
LT		 1435 && (SCpnt->device->tagged_supported)) {
1436 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
65f89c23
KD		 1437 if (SCpnt->request && SCpnt->request->ioprio) {
1438 if (((SCpnt->request->ioprio & 0x7) == 1) ||
1439 !(SCpnt->request->ioprio & 0x7))
1440 scsictl |= MPI_SCSIIO_CONTROL_HEADOFQ;
1441 }
1442 } else
1da177e4 1443 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
65f89c23 1444
1da177e4
LT		 1445
1446 /* Use the above information to set up the message frame
1447 */
a69de507
EM		 1448 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1449 pScsiReq->Bus = vdevice->vtarget->channel;
1da177e4 1450 pScsiReq->ChainOffset = 0;
a69de507 1451 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
c92f222e
JB		 1452 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1453 else
1454 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1da177e4
LT		 1455 pScsiReq->CDBLength = SCpnt->cmd_len;
1456 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1457 pScsiReq->Reserved = 0;
14d0f0b0 1458 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
793955f5 1459 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1da177e4
LT		 1460 pScsiReq->Control = cpu_to_le32(scsictl);
1461
1462 /*
1463 * Write SCSI CDB into the message
1464 */
1465 cmd_len = SCpnt->cmd_len;
1466 for (ii=0; ii < cmd_len; ii++)
1467 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1468
1469 for (ii=cmd_len; ii < 16; ii++)
1470 pScsiReq->CDB[ii] = 0;
1471
1472 /* DataLength */
1473 pScsiReq->DataLength = cpu_to_le32(datalen);
1474
1475 /* SenseBuffer low address */
e80b002b 1476 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1da177e4
LT		 1477 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1478
1479 /* Now add the SG list
1480 * Always have a SGE even if null length.
1481 */
1482 if (datalen == 0) {
1483 /* Add a NULL SGE */
14d0f0b0
KD		 1484 ioc->add_sge((char *)&pScsiReq->SGL,
1485 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1da177e4
LT		 1486 (dma_addr_t) -1);
1487 } else {
1488 /* Add a 32 or 64 bit SGE */
e80b002b 1489 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1da177e4
LT		 1490 goto fail;
1491 }
1492
3dc0b03f 1493 SCpnt->host_scribble = (unsigned char *)mf;
e8206381 1494 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1da177e4 1495
e80b002b 1496 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
6757d6b4
PS		 1497 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1498 ioc->name, SCpnt, mf, my_idx));
29dd3609 1499 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1da177e4
LT		 1500 return 0;
1501
1502 fail:
e80b002b
EM		 1503 mptscsih_freeChainBuffers(ioc, my_idx);
1504 mpt_free_msg_frame(ioc, mf);
1da177e4
LT		 1505 return SCSI_MLQUEUE_HOST_BUSY;
1506}
1507
1508/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1509/*
1510 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1511 * with a SCSI IO request
1512 * @hd: Pointer to the MPT_SCSI_HOST instance
1513 * @req_idx: Index of the SCSI IO request frame.
1514 *
1515 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1516 * No return.
1517 */
1518static void
1519mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1520{
1521 MPT_FRAME_HDR *chain;
1522 unsigned long flags;
1523 int chain_idx;
1524 int next;
1525
1526 /* Get the first chain index and reset
1527 * tracker state.
1528 */
1529 chain_idx = ioc->ReqToChain[req_idx];
1530 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1531
1532 while (chain_idx != MPT_HOST_NO_CHAIN) {
1533
1534 /* Save the next chain buffer index */
1535 next = ioc->ChainToChain[chain_idx];
1536
1537 /* Free this chain buffer and reset
1538 * tracker
1539 */
1540 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1541
1542 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1543 + (chain_idx * ioc->req_sz));
1544
1545 spin_lock_irqsave(&ioc->FreeQlock, flags);
1546 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1547 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1548
6757d6b4 1549 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1da177e4
LT		 1550 ioc->name, chain_idx));
1551
1552 /* handle next */
1553 chain_idx = next;
1554 }
1555 return;
1556}
1557
1558/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1559/*
1560 * Reset Handling
1561 */
1562
1563/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
cd2c6191 1564/**
1ba9ab2e
KD		 1565 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1566 * @hd: Pointer to MPT_SCSI_HOST structure
1da177e4 1567 * @type: Task Management type
1544d677 1568 * @channel: channel number for task management
793955f5 1569 * @id: Logical Target ID for reset (if appropriate)
1da177e4
LT		 1570 * @lun: Logical Unit for reset (if appropriate)
1571 * @ctx2abort: Context for the task to be aborted (if appropriate)
1544d677
RD		 1572 * @timeout: timeout for task management control
1573 *
1ba9ab2e
KD		 1574 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1575 * or a non-interrupt thread. In the former, must not call schedule().
1da177e4 1576 *
1ba9ab2e 1577 * Not all fields are meaningfull for all task types.
1da177e4 1578 *
1ba9ab2e 1579 * Returns 0 for SUCCESS, or FAILED.
1da177e4 1580 *
cd2c6191 1581 **/
663e1aa1 1582int
1ba9ab2e
KD		 1583mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun,
1584 int ctx2abort, ulong timeout)
1da177e4 1585{
1ba9ab2e
KD		 1586 MPT_FRAME_HDR *mf;
1587 SCSITaskMgmt_t *pScsiTm;
1588 int ii;
1589 int retval;
1590 MPT_ADAPTER *ioc = hd->ioc;
1591 unsigned long timeleft;
1592 u8 issue_hard_reset;
1da177e4 1593 u32 ioc_raw_state;
1ba9ab2e 1594 unsigned long time_count;
1da177e4 1595
1ba9ab2e 1596 issue_hard_reset = 0;
e80b002b 1597 ioc_raw_state = mpt_GetIocState(ioc, 0);
1da177e4 1598
1da177e4
LT		 1599 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1600 printk(MYIOC_s_WARN_FMT
1ba9ab2e 1601 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
cd2c6191 1602 ioc->name, type, ioc_raw_state);
1ba9ab2e
KD		 1603 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1604 ioc->name, __func__);
cd2c6191 1605 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1ba9ab2e 1606 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
29dd3609 1607 "FAILED!!\n", ioc->name);
1ba9ab2e 1608 return 0;
1da177e4
LT		 1609 }
1610
cd2c6191
EM		 1611 if (ioc_raw_state & MPI_DOORBELL_ACTIVE) {
1612 printk(MYIOC_s_WARN_FMT
1ba9ab2e 1613 "TaskMgmt type=%x: ioc_state: "
cd2c6191
EM		 1614 "DOORBELL_ACTIVE (0x%x)!\n",
1615 ioc->name, type, ioc_raw_state);
1616 return FAILED;
1da177e4
LT		 1617 }
1618
1ba9ab2e
KD		 1619 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1620 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1621 mf = NULL;
1622 retval = FAILED;
1623 goto out;
1624 }
1da177e4
LT		 1625
1626 /* Return Fail to calling function if no message frames available.
1627 */
e80b002b 1628 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1ba9ab2e
KD		 1629 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1630 "TaskMgmt no msg frames!!\n", ioc->name));
1631 retval = FAILED;
1632 mpt_clear_taskmgmt_in_progress_flag(ioc);
1633 goto out;
1da177e4 1634 }
1ba9ab2e 1635 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
e80b002b 1636 ioc->name, mf));
1da177e4
LT		 1637
1638 /* Format the Request
1639 */
1640 pScsiTm = (SCSITaskMgmt_t *) mf;
793955f5 1641 pScsiTm->TargetID = id;
1da177e4
LT		 1642 pScsiTm->Bus = channel;
1643 pScsiTm->ChainOffset = 0;
1644 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1645
1646 pScsiTm->Reserved = 0;
1647 pScsiTm->TaskType = type;
1648 pScsiTm->Reserved1 = 0;
1649 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1650 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1651
793955f5 1652 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1da177e4
LT		 1653
1654 for (ii=0; ii < 7; ii++)
1655 pScsiTm->Reserved2[ii] = 0;
1656
1657 pScsiTm->TaskMsgContext = ctx2abort;
1658
1ba9ab2e
KD		 1659 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1660 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1661 type, timeout));
1da177e4 1662
6757d6b4 1663 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1da177e4 1664
1ba9ab2e
KD		 1665 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1666 time_count = jiffies;
e80b002b
EM		 1667 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1668 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1669 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
7a195f46 1670 else {
e80b002b 1671 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
7a195f46
PS		 1672 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1673 if (retval) {
1ba9ab2e
KD		 1674 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1675 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1676 ioc->name, mf, retval));
1677 mpt_free_msg_frame(ioc, mf);
1678 mpt_clear_taskmgmt_in_progress_flag(ioc);
1679 goto out;
7a195f46 1680 }
1da177e4
LT		 1681 }
1682
1ba9ab2e
KD		 1683 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1684 timeout*HZ);
1685 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1686 retval = FAILED;
1687 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1688 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1689 mpt_clear_taskmgmt_in_progress_flag(ioc);
1690 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1691 goto out;
1692 issue_hard_reset = 1;
1693 goto out;
1da177e4
LT		 1694 }
1695
1ba9ab2e
KD		 1696 retval = mptscsih_taskmgmt_reply(ioc, type,
1697 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
cd2c6191 1698
1ba9ab2e
KD		 1699 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1700 "TaskMgmt completed (%d seconds)\n",
1701 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
cd2c6191 1702
1ba9ab2e 1703 out:
cd2c6191 1704
1ba9ab2e
KD		 1705 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1706 if (issue_hard_reset) {
1707 printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
1708 ioc->name, __func__);
d0f698c4 1709 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
1ba9ab2e
KD		 1710 mpt_free_msg_frame(ioc, mf);
1711 }
1712
1713 retval = (retval == 0) ? 0 : FAILED;
1714 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
1715 return retval;
1da177e4 1716}
1ba9ab2e 1717EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
1da177e4 1718
d66c7a0f
CH		 1719static int
1720mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1721{
1722 switch (ioc->bus_type) {
1723 case FC:
1724 return 40;
1725 case SAS:
69b2e9b4 1726 return 30;
d66c7a0f
CH		 1727 case SPI:
1728 default:
22ab019b 1729 return 10;
d66c7a0f
CH		 1730 }
1731}
1732
1da177e4
LT		 1733/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1734/**
1735 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1736 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1737 *
1738 * (linux scsi_host_template.eh_abort_handler routine)
1739 *
1740 * Returns SUCCESS or FAILED.
cd2c6191 1741 **/
0d0c7974 1742int
1da177e4
LT		 1743mptscsih_abort(struct scsi_cmnd * SCpnt)
1744{
1745 MPT_SCSI_HOST *hd;
1da177e4
LT		 1746 MPT_FRAME_HDR *mf;
1747 u32 ctx2abort;
1748 int scpnt_idx;
466544d8 1749 int retval;
958d4a32 1750 VirtDevice *vdevice;
3dc0b03f 1751 ulong sn = SCpnt->serial_number;
958d4a32 1752 MPT_ADAPTER *ioc;
1da177e4
LT		 1753
1754 /* If we can't locate our host adapter structure, return FAILED status.
1755 */
e7eae9f6 1756 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1da177e4
LT		 1757 SCpnt->result = DID_RESET << 16;
1758 SCpnt->scsi_done(SCpnt);
29dd3609
EM		 1759 printk(KERN_ERR MYNAM ": task abort: "
1760 "can't locate host! (sc=%p)\n", SCpnt);
1da177e4
LT		 1761 return FAILED;
1762 }
1763
958d4a32
EM		 1764 ioc = hd->ioc;
1765 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1766 ioc->name, SCpnt);
1767 scsi_print_command(SCpnt);
1768
1769 vdevice = SCpnt->device->hostdata;
1770 if (!vdevice || !vdevice->vtarget) {
29dd3609
EM		 1771 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1772 "task abort: device has been deleted (sc=%p)\n",
1773 ioc->name, SCpnt));
958d4a32
EM		 1774 SCpnt->result = DID_NO_CONNECT << 16;
1775 SCpnt->scsi_done(SCpnt);
69b2e9b4 1776 retval = SUCCESS;
958d4a32
EM		 1777 goto out;
1778 }
1779
cc78d30a
EM		 1780 /* Task aborts are not supported for hidden raid components.
1781 */
1782 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
29dd3609
EM		 1783 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1784 "task abort: hidden raid component (sc=%p)\n",
1785 ioc->name, SCpnt));
cc78d30a
EM		 1786 SCpnt->result = DID_RESET << 16;
1787 retval = FAILED;
1788 goto out;
1789 }
1790
69b2e9b4
KD		 1791 /* Task aborts are not supported for volumes.
1792 */
1793 if (vdevice->vtarget->raidVolume) {
1794 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1795 "task abort: raid volume (sc=%p)\n",
1796 ioc->name, SCpnt));
1797 SCpnt->result = DID_RESET << 16;
1798 retval = FAILED;
1799 goto out;
1800 }
1801
1da177e4
LT		 1802 /* Find this command
1803 */
e8206381 1804 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
466544d8 1805 /* Cmd not found in ScsiLookup.
1da177e4
LT		 1806 * Do OS callback.
1807 */
1808 SCpnt->result = DID_RESET << 16;
29dd3609 1809 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
958d4a32
EM		 1810 "Command not in the active list! (sc=%p)\n", ioc->name,
1811 SCpnt));
9858ae38 1812 retval = SUCCESS;
958d4a32 1813 goto out;
1da177e4
LT		 1814 }
1815
2f187862
KD		 1816 if (ioc->timeouts < -1)
1817 ioc->timeouts++;
65207fed 1818
2f4c782c
KD		 1819 if (mpt_fwfault_debug)
1820 mpt_halt_firmware(ioc);
1821
1da177e4
LT		 1822 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1823 * (the IO to be ABORT'd)
1824 *
1825 * NOTE: Since we do not byteswap MsgContext, we do not
1826 * swap it here either. It is an opaque cookie to
1827 * the controller, so it does not matter. -DaveM
1828 */
e80b002b 1829 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1da177e4 1830 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1ba9ab2e
KD		 1831 retval = mptscsih_IssueTaskMgmt(hd,
1832 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1833 vdevice->vtarget->channel,
1834 vdevice->vtarget->id, vdevice->lun,
1835 ctx2abort, mptscsih_get_tm_timeout(ioc));
1da177e4 1836
e8206381 1837 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx &&
2f187862
KD		 1838 SCpnt->serial_number == sn) {
1839 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1840 "task abort: command still in active list! (sc=%p)\n",
1841 ioc->name, SCpnt));
3dc0b03f 1842 retval = FAILED;
2f187862
KD		 1843 } else {
1844 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1845 "task abort: command cleared from active list! (sc=%p)\n",
1846 ioc->name, SCpnt));
1847 retval = SUCCESS;
1848 }
3dc0b03f 1849
958d4a32
EM		 1850 out:
1851 printk(MYIOC_s_INFO_FMT "task abort: %s (sc=%p)\n",
2f187862 1852 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), SCpnt);
1da177e4 1853
2f187862 1854 return retval;
1da177e4
LT		 1855}
1856
1857/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1858/**
1859 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1860 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1861 *
1862 * (linux scsi_host_template.eh_dev_reset_handler routine)
1863 *
1864 * Returns SUCCESS or FAILED.
cd2c6191 1865 **/
0d0c7974 1866int
1da177e4
LT		 1867mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1868{
1869 MPT_SCSI_HOST *hd;
466544d8 1870 int retval;
958d4a32
EM		 1871 VirtDevice *vdevice;
1872 MPT_ADAPTER *ioc;
1da177e4
LT		 1873
1874 /* If we can't locate our host adapter structure, return FAILED status.
1875 */
e7eae9f6 1876 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
29dd3609
EM		 1877 printk(KERN_ERR MYNAM ": target reset: "
1878 "Can't locate host! (sc=%p)\n", SCpnt);
1da177e4
LT		 1879 return FAILED;
1880 }
1881
958d4a32
EM		 1882 ioc = hd->ioc;
1883 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1884 ioc->name, SCpnt);
466544d8 1885 scsi_print_command(SCpnt);
1da177e4 1886
958d4a32
EM		 1887 vdevice = SCpnt->device->hostdata;
1888 if (!vdevice || !vdevice->vtarget) {
2f187862 1889 retval = SUCCESS;
958d4a32
EM		 1890 goto out;
1891 }
1892
cc78d30a
EM		 1893 /* Target reset to hidden raid component is not supported
1894 */
1895 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1896 retval = FAILED;
1897 goto out;
1898 }
1899
1ba9ab2e
KD		 1900 retval = mptscsih_IssueTaskMgmt(hd,
1901 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1902 vdevice->vtarget->channel,
1903 vdevice->vtarget->id, 0, 0,
1904 mptscsih_get_tm_timeout(ioc));
466544d8 1905
958d4a32
EM		 1906 out:
1907 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1908 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
466544d8
MED		 1909
1910 if (retval == 0)
1911 return SUCCESS;
cd2c6191
EM		 1912 else
1913 return FAILED;
1da177e4
LT		 1914}
1915
cd2c6191 1916
1da177e4
LT		 1917/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1918/**
1919 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1920 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1921 *
1922 * (linux scsi_host_template.eh_bus_reset_handler routine)
1923 *
1924 * Returns SUCCESS or FAILED.
cd2c6191 1925 **/
0d0c7974 1926int
1da177e4
LT		 1927mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1928{
1929 MPT_SCSI_HOST *hd;
466544d8 1930 int retval;
a69de507 1931 VirtDevice *vdevice;
958d4a32 1932 MPT_ADAPTER *ioc;
1da177e4
LT		 1933
1934 /* If we can't locate our host adapter structure, return FAILED status.
1935 */
e7eae9f6 1936 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
29dd3609
EM		 1937 printk(KERN_ERR MYNAM ": bus reset: "
1938 "Can't locate host! (sc=%p)\n", SCpnt);
1da177e4
LT		 1939 return FAILED;
1940 }
1941
958d4a32
EM		 1942 ioc = hd->ioc;
1943 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1944 ioc->name, SCpnt);
466544d8 1945 scsi_print_command(SCpnt);
1da177e4 1946
2f187862
KD		 1947 if (ioc->timeouts < -1)
1948 ioc->timeouts++;
1da177e4 1949
a69de507 1950 vdevice = SCpnt->device->hostdata;
2f187862
KD		 1951 if (!vdevice || !vdevice->vtarget)
1952 return SUCCESS;
1ba9ab2e
KD		 1953 retval = mptscsih_IssueTaskMgmt(hd,
1954 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1955 vdevice->vtarget->channel, 0, 0, 0,
1956 mptscsih_get_tm_timeout(ioc));
1da177e4 1957
958d4a32
EM		 1958 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1959 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
466544d8
MED		 1960
1961 if (retval == 0)
1962 return SUCCESS;
cd2c6191
EM		 1963 else
1964 return FAILED;
1da177e4
LT		 1965}
1966
1967/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1968/**
d9489fb6 1969 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1da177e4
LT		 1970 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1971 *
1972 * (linux scsi_host_template.eh_host_reset_handler routine)
1973 *
1974 * Returns SUCCESS or FAILED.
1975 */
0d0c7974 1976int
1da177e4
LT		 1977mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1978{
1979 MPT_SCSI_HOST * hd;
2f187862 1980 int status = SUCCESS;
958d4a32 1981 MPT_ADAPTER *ioc;
2f187862 1982 int retval;
1da177e4
LT		 1983
1984 /* If we can't locate the host to reset, then we failed. */
e7eae9f6 1985 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
29dd3609
EM		 1986 printk(KERN_ERR MYNAM ": host reset: "
1987 "Can't locate host! (sc=%p)\n", SCpnt);
1da177e4
LT		 1988 return FAILED;
1989 }
1990
a6da74cb
JB		 1991 /* make sure we have no outstanding commands at this stage */
1992 mptscsih_flush_running_cmds(hd);
1993
958d4a32
EM		 1994 ioc = hd->ioc;
1995 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1996 ioc->name, SCpnt);
1da177e4
LT		 1997
1998 /* If our attempts to reset the host failed, then return a failed
1999 * status. The host will be taken off line by the SCSI mid-layer.
2000 */
d0f698c4 2001 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
2f187862
KD		 2002 if (retval < 0)
2003 status = FAILED;
2004 else
2005 status = SUCCESS;
1da177e4 2006
958d4a32
EM		 2007 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
2008 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1da177e4 2009
2f187862 2010 return status;
1da177e4
LT		 2011}
2012
1da177e4 2013static int
1ba9ab2e
KD		 2014mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
2015 SCSITaskMgmtReply_t *pScsiTmReply)
1da177e4 2016{
1ba9ab2e
KD		 2017 u16 iocstatus;
2018 u32 termination_count;
2019 int retval;
1da177e4 2020
1ba9ab2e
KD		 2021 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
2022 retval = FAILED;
2023 goto out;
2024 }
1da177e4 2025
1ba9ab2e 2026 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
1da177e4 2027
1ba9ab2e
KD		 2028 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2029 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
1da177e4 2030
1ba9ab2e
KD		 2031 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2032 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
2033 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
2034 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
2035 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
2036 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
2037 termination_count));
2038
2039 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
2040 pScsiTmReply->ResponseCode)
2041 mptscsih_taskmgmt_response_code(ioc,
2042 pScsiTmReply->ResponseCode);
1da177e4 2043
1ba9ab2e
KD		 2044 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
2045 retval = 0;
2046 goto out;
2047 }
2048
2049 retval = FAILED;
2050 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
2051 if (termination_count == 1)
2052 retval = 0;
2053 goto out;
2054 }
2055
2056 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
2057 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2058 retval = 0;
2059
2060 out:
2061 return retval;
1da177e4
LT		 2062}
2063
9f63bb73 2064/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
e7deff33 2065void
9f63bb73
ME		 2066mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2067{
2068 char *desc;
2069
2070 switch (response_code) {
2071 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2072 desc = "The task completed.";
2073 break;
2074 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2075 desc = "The IOC received an invalid frame status.";
2076 break;
2077 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2078 desc = "The task type is not supported.";
2079 break;
2080 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2081 desc = "The requested task failed.";
2082 break;
2083 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2084 desc = "The task completed successfully.";
2085 break;
2086 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2087 desc = "The LUN request is invalid.";
2088 break;
2089 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2090 desc = "The task is in the IOC queue and has not been sent to target.";
2091 break;
2092 default:
2093 desc = "unknown";
2094 break;
2095 }
2096 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2097 ioc->name, response_code, desc);
2098}
e7deff33 2099EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
9f63bb73 2100
1da177e4
LT		 2101/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2102/**
2103 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2104 * @ioc: Pointer to MPT_ADAPTER structure
2105 * @mf: Pointer to SCSI task mgmt request frame
2106 * @mr: Pointer to SCSI task mgmt reply frame
2107 *
2108 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2109 * of any SCSI task management request.
2110 * This routine is registered with the MPT (base) driver at driver
2111 * load/init time via the mpt_register() API call.
2112 *
2113 * Returns 1 indicating alloc'd request frame ptr should be freed.
cd2c6191 2114 **/
0d0c7974 2115int
1ba9ab2e
KD		 2116mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2117 MPT_FRAME_HDR *mr)
1da177e4 2118{
1ba9ab2e
KD		 2119 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2120 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
cd2c6191 2121
1ba9ab2e 2122 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
6757d6b4 2123
1ba9ab2e 2124 if (!mr)
cd2c6191 2125 goto out;
1da177e4 2126
1ba9ab2e
KD		 2127 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2128 memcpy(ioc->taskmgmt_cmds.reply, mr,
2129 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
cd2c6191 2130 out:
1ba9ab2e
KD		 2131 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2132 mpt_clear_taskmgmt_in_progress_flag(ioc);
2133 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2134 complete(&ioc->taskmgmt_cmds.done);
2135 return 1;
2136 }
2137 return 0;
1da177e4
LT		 2138}
2139
2140/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2141/*
2142 * This is anyones guess quite frankly.
2143 */
0d0c7974 2144int
1da177e4
LT		 2145mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2146 sector_t capacity, int geom[])
2147{
2148 int heads;
2149 int sectors;
2150 sector_t cylinders;
2151 ulong dummy;
2152
2153 heads = 64;
2154 sectors = 32;
2155
2156 dummy = heads * sectors;
2157 cylinders = capacity;
2158 sector_div(cylinders,dummy);
2159
2160 /*
2161 * Handle extended translation size for logical drives
2162 * > 1Gb
2163 */
2164 if ((ulong)capacity >= 0x200000) {
2165 heads = 255;
2166 sectors = 63;
2167 dummy = heads * sectors;
2168 cylinders = capacity;
2169 sector_div(cylinders,dummy);
2170 }
2171
2172 /* return result */
2173 geom[0] = heads;
2174 geom[1] = sectors;
2175 geom[2] = cylinders;
2176
1da177e4
LT		 2177 return 0;
2178}
2179
f44e5461
ME		 2180/* Search IOC page 3 to determine if this is hidden physical disk
2181 *
2182 */
2183int
793955f5 2184mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
f44e5461 2185{
b506ade9 2186 struct inactive_raid_component_info *component_info;
a7938b0b
KD		 2187 int i, j;
2188 RaidPhysDiskPage1_t *phys_disk;
793955f5 2189 int rc = 0;
a7938b0b 2190 int num_paths;
f44e5461 2191
793955f5
EM		 2192 if (!ioc->raid_data.pIocPg3)
2193 goto out;
f44e5461 2194 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
793955f5
EM		 2195 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2196 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2197 rc = 1;
2198 goto out;
2199 }
c92f222e
JB		 2200 }
2201
a7938b0b
KD		 2202 if (ioc->bus_type != SAS)
2203 goto out;
2204
2205 /*
2206 * Check if dual path
2207 */
2208 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2209 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2210 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2211 if (num_paths < 2)
2212 continue;
2213 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2214 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2215 if (!phys_disk)
2216 continue;
2217 if ((mpt_raid_phys_disk_pg1(ioc,
2218 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2219 phys_disk))) {
2220 kfree(phys_disk);
2221 continue;
2222 }
2223 for (j = 0; j < num_paths; j++) {
2224 if ((phys_disk->Path[j].Flags &
2225 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2226 continue;
2227 if ((phys_disk->Path[j].Flags &
2228 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2229 continue;
2230 if ((id == phys_disk->Path[j].PhysDiskID) &&
2231 (channel == phys_disk->Path[j].PhysDiskBus)) {
2232 rc = 1;
2233 kfree(phys_disk);
2234 goto out;
2235 }
2236 }
2237 kfree(phys_disk);
2238 }
2239
2240
b506ade9
EM		 2241 /*
2242 * Check inactive list for matching phys disks
2243 */
2244 if (list_empty(&ioc->raid_data.inactive_list))
2245 goto out;
2246
ed5f606f 2247 mutex_lock(&ioc->raid_data.inactive_list_mutex);
b506ade9
EM		 2248 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2249 list) {
2250 if ((component_info->d.PhysDiskID == id) &&
2251 (component_info->d.PhysDiskBus == channel))
2252 rc = 1;
2253 }
ed5f606f 2254 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
b506ade9 2255
793955f5
EM		 2256 out:
2257 return rc;
c7c82987 2258}
793955f5 2259EXPORT_SYMBOL(mptscsih_is_phys_disk);
c7c82987 2260
793955f5
EM		 2261u8
2262mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
1da177e4 2263{
b506ade9 2264 struct inactive_raid_component_info *component_info;
a7938b0b
KD		 2265 int i, j;
2266 RaidPhysDiskPage1_t *phys_disk;
793955f5 2267 int rc = -ENXIO;
a7938b0b 2268 int num_paths;
c92f222e 2269
793955f5
EM		 2270 if (!ioc->raid_data.pIocPg3)
2271 goto out;
2272 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2273 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2274 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2275 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2276 goto out;
1da177e4 2277 }
1da177e4 2278 }
1da177e4 2279
a7938b0b
KD		 2280 if (ioc->bus_type != SAS)
2281 goto out;
2282
2283 /*
2284 * Check if dual path
2285 */
2286 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2287 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2288 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2289 if (num_paths < 2)
2290 continue;
2291 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2292 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2293 if (!phys_disk)
2294 continue;
2295 if ((mpt_raid_phys_disk_pg1(ioc,
2296 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2297 phys_disk))) {
2298 kfree(phys_disk);
2299 continue;
2300 }
2301 for (j = 0; j < num_paths; j++) {
2302 if ((phys_disk->Path[j].Flags &
2303 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2304 continue;
2305 if ((phys_disk->Path[j].Flags &
2306 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2307 continue;
2308 if ((id == phys_disk->Path[j].PhysDiskID) &&
2309 (channel == phys_disk->Path[j].PhysDiskBus)) {
2310 rc = phys_disk->PhysDiskNum;
2311 kfree(phys_disk);
2312 goto out;
2313 }
2314 }
2315 kfree(phys_disk);
2316 }
2317
b506ade9
EM		 2318 /*
2319 * Check inactive list for matching phys disks
2320 */
2321 if (list_empty(&ioc->raid_data.inactive_list))
2322 goto out;
2323
ed5f606f 2324 mutex_lock(&ioc->raid_data.inactive_list_mutex);
b506ade9
EM		 2325 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2326 list) {
2327 if ((component_info->d.PhysDiskID == id) &&
2328 (component_info->d.PhysDiskBus == channel))
2329 rc = component_info->d.PhysDiskNum;
2330 }
ed5f606f 2331 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
b506ade9 2332
793955f5
EM		 2333 out:
2334 return rc;
c7c82987 2335}
793955f5 2336EXPORT_SYMBOL(mptscsih_raid_id_to_num);
1da177e4 2337
c7c82987
MED		 2338/*
2339 * OS entry point to allow for host driver to free allocated memory
2340 * Called if no device present or device being unloaded
2341 */
2342void
2343mptscsih_slave_destroy(struct scsi_device *sdev)
2344{
2345 struct Scsi_Host *host = sdev->host;
e7eae9f6 2346 MPT_SCSI_HOST *hd = shost_priv(host);
c7c82987
MED		 2347 VirtTarget *vtarget;
2348 VirtDevice *vdevice;
2349 struct scsi_target *starget;
2350
2351 starget = scsi_target(sdev);
2352 vtarget = starget->hostdata;
2353 vdevice = sdev->hostdata;
08f5c5c2
KD		 2354 if (!vdevice)
2355 return;
c7c82987
MED		 2356
2357 mptscsih_search_running_cmds(hd, vdevice);
c7c82987 2358 vtarget->num_luns--;
c7c82987
MED		 2359 mptscsih_synchronize_cache(hd, vdevice);
2360 kfree(vdevice);
2361 sdev->hostdata = NULL;
1da177e4
LT		 2362}
2363
6e3815ba
MED		 2364/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2365/*
2366 * mptscsih_change_queue_depth - This function will set a devices queue depth
2367 * @sdev: per scsi_device pointer
2368 * @qdepth: requested queue depth
e881a172 2369 * @reason: calling context
6e3815ba
MED		 2370 *
2371 * Adding support for new 'change_queue_depth' api.
2372*/
2373int
e881a172 2374mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1da177e4 2375{
e7eae9f6 2376 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
c7c82987
MED		 2377 VirtTarget *vtarget;
2378 struct scsi_target *starget;
2379 int max_depth;
2380 int tagged;
e80b002b 2381 MPT_ADAPTER *ioc = hd->ioc;
1da177e4 2382
c7c82987
MED		 2383 starget = scsi_target(sdev);
2384 vtarget = starget->hostdata;
6e3815ba 2385
e881a172
MC		 2386 if (reason != SCSI_QDEPTH_DEFAULT)
2387 return -EOPNOTSUPP;
2388
e80b002b 2389 if (ioc->bus_type == SPI) {
c92f222e 2390 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
1da177e4 2391 max_depth = 1;
c92f222e
JB		 2392 else if (sdev->type == TYPE_DISK &&
2393 vtarget->minSyncFactor <= MPT_ULTRA160)
2394 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2395 else
2396 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
1da177e4 2397 } else
79a3ec1a
KD		 2398 max_depth = ioc->sh->can_queue;
2399
2400 if (!sdev->tagged_supported)
2401 max_depth = 1;
1da177e4
LT		 2402
2403 if (qdepth > max_depth)
2404 qdepth = max_depth;
2405 if (qdepth == 1)
2406 tagged = 0;
2407 else
2408 tagged = MSG_SIMPLE_TAG;
2409
6e3815ba
MED		 2410 scsi_adjust_queue_depth(sdev, tagged, qdepth);
2411 return sdev->queue_depth;
1da177e4
LT		 2412}
2413
1da177e4
LT		 2414/*
2415 * OS entry point to adjust the queue_depths on a per-device basis.
2416 * Called once per device the bus scan. Use it to force the queue_depth
2417 * member to 1 if a device does not support Q tags.
2418 * Return non-zero if fails.
2419 */
0d0c7974 2420int
c7c82987 2421mptscsih_slave_configure(struct scsi_device *sdev)
1da177e4 2422{
c7c82987
MED		 2423 struct Scsi_Host *sh = sdev->host;
2424 VirtTarget *vtarget;
2425 VirtDevice *vdevice;
2426 struct scsi_target *starget;
e7eae9f6 2427 MPT_SCSI_HOST *hd = shost_priv(sh);
e80b002b 2428 MPT_ADAPTER *ioc = hd->ioc;
1da177e4 2429
c7c82987
MED		 2430 starget = scsi_target(sdev);
2431 vtarget = starget->hostdata;
2432 vdevice = sdev->hostdata;
1da177e4 2433
e80b002b 2434 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
793955f5 2435 "device @ %p, channel=%d, id=%d, lun=%d\n",
e80b002b
EM		 2436 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2437 if (ioc->bus_type == SPI)
2438 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
c7c82987 2439 "sdtr %d wdtr %d ppr %d inq length=%d\n",
e80b002b 2440 ioc->name, sdev->sdtr, sdev->wdtr,
c7c82987
MED		 2441 sdev->ppr, sdev->inquiry_len));
2442
793955f5 2443 vdevice->configured_lun = 1;
1da177e4 2444
e80b002b 2445 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1da177e4 2446 "Queue depth=%d, tflags=%x\n",
e80b002b 2447 ioc->name, sdev->queue_depth, vtarget->tflags));
1da177e4 2448
e80b002b
EM		 2449 if (ioc->bus_type == SPI)
2450 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
c7c82987 2451 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
e80b002b 2452 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
c7c82987 2453 vtarget->minSyncFactor));
1da177e4 2454
e881a172
MC		 2455 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH,
2456 SCSI_QDEPTH_DEFAULT);
e80b002b 2457 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1da177e4 2458 "tagged %d, simple %d, ordered %d\n",
e80b002b 2459 ioc->name,sdev->tagged_supported, sdev->simple_tags,
c7c82987 2460 sdev->ordered_tags));
1da177e4
LT		 2461
2462 return 0;
2463}
2464
1da177e4
LT		 2465/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2466/*
2467 * Private routines...
2468 */
2469
2470/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2471/* Utility function to copy sense data from the scsi_cmnd buffer
2472 * to the FC and SCSI target structures.
2473 *
2474 */
2475static void
0d0c7974 2476mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
1da177e4 2477{
a69de507 2478 VirtDevice *vdevice;
1da177e4
LT		 2479 SCSIIORequest_t *pReq;
2480 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
e80b002b 2481 MPT_ADAPTER *ioc = hd->ioc;
1da177e4
LT		 2482
2483 /* Get target structure
2484 */
2485 pReq = (SCSIIORequest_t *) mf;
a69de507 2486 vdevice = sc->device->hostdata;
1da177e4
LT		 2487
2488 if (sense_count) {
2489 u8 *sense_data;
2490 int req_index;
2491
2492 /* Copy the sense received into the scsi command block. */
2493 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
e80b002b 2494 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
1da177e4
LT		 2495 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2496
2497 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2498 */
e80b002b 2499 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
a69de507 2500 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
1da177e4 2501 int idx;
1da177e4 2502
5b5ef4f6 2503 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
1da177e4
LT		 2504 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2505 ioc->events[idx].eventContext = ioc->eventContext;
2506
3d9780b9
DJ		 2507 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2508 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2509 (sc->device->channel << 8) | sc->device->id;
1da177e4 2510
3d9780b9 2511 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
1da177e4
LT		 2512
2513 ioc->eventContext++;
e80b002b 2514 if (ioc->pcidev->vendor ==
786899b0 2515 PCI_VENDOR_ID_IBM) {
e80b002b 2516 mptscsih_issue_sep_command(ioc,
a69de507
EM		 2517 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2518 vdevice->vtarget->tflags |=
786899b0
EM		 2519 MPT_TARGET_FLAGS_LED_ON;
2520 }
1da177e4
LT		 2521 }
2522 }
2523 } else {
e80b002b
EM		 2524 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2525 ioc->name));
1da177e4
LT		 2526 }
2527}
2528
db7051b2
KD		 2529/**
2530 * mptscsih_get_scsi_lookup - retrieves scmd entry
2531 * @ioc: Pointer to MPT_ADAPTER structure
2532 * @i: index into the array
2533 *
2534 * Returns the scsi_cmd pointer
2535 */
2536struct scsi_cmnd *
2537mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2538{
2539 unsigned long flags;
2540 struct scsi_cmnd *scmd;
2541
2542 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2543 scmd = ioc->ScsiLookup[i];
2544 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2545
2546 return scmd;
2547}
2548EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
e8206381
EM		 2549
2550/**
fc847ab4 2551 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
2f187862
KD		 2552 * @ioc: Pointer to MPT_ADAPTER structure
2553 * @i: index into the array
2554 *
7105a387 2555 * Returns the scsi_cmd pointer
2f187862 2556 *
e8206381
EM		 2557 **/
2558static struct scsi_cmnd *
2559mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2560{
2561 unsigned long flags;
2562 struct scsi_cmnd *scmd;
2563
2564 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2565 scmd = ioc->ScsiLookup[i];
2566 ioc->ScsiLookup[i] = NULL;
2567 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2568
2569 return scmd;
2570}
2571
2572/**
9b8f77a1 2573 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
e8206381
EM		 2574 *
2575 * @ioc: Pointer to MPT_ADAPTER structure
2576 * @i: index into the array
2577 * @scmd: scsi_cmnd pointer
2578 *
2579 **/
2580static void
2581mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2582{
2583 unsigned long flags;
1da177e4 2584
e8206381
EM		 2585 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2586 ioc->ScsiLookup[i] = scmd;
2587 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2588}
2589
2590/**
23f9b75e 2591 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
e8206381 2592 * @ioc: Pointer to MPT_ADAPTER structure
23f9b75e
RD		 2593 * @sc: scsi_cmnd pointer
2594 */
e8206381
EM		 2595static int
2596SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2597{
2598 unsigned long flags;
2599 int i, index=-1;
1da177e4 2600
e8206381
EM		 2601 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2602 for (i = 0; i < ioc->req_depth; i++) {
2603 if (ioc->ScsiLookup[i] == sc) {
2604 index = i;
2605 goto out;
1da177e4
LT		 2606 }
2607 }
2608
e8206381
EM		 2609 out:
2610 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2611 return index;
1da177e4
LT		 2612}
2613
2614/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
0d0c7974 2615int
1da177e4
LT		 2616mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2617{
2618 MPT_SCSI_HOST *hd;
1da177e4 2619
e7eae9f6 2620 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
1da177e4 2621 return 0;
1da177e4 2622
37c60f37
KD		 2623 hd = shost_priv(ioc->sh);
2624 switch (reset_phase) {
2625 case MPT_IOC_SETUP_RESET:
2626 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2627 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
37c60f37
KD		 2628 break;
2629 case MPT_IOC_PRE_RESET:
2630 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2631 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
37c60f37
KD		 2632 mptscsih_flush_running_cmds(hd);
2633 break;
2634 case MPT_IOC_POST_RESET:
2635 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2636 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2637 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2638 ioc->internal_cmds.status |=
2639 MPT_MGMT_STATUS_DID_IOCRESET;
2640 complete(&ioc->internal_cmds.done);
1da177e4 2641 }
37c60f37
KD		 2642 break;
2643 default:
2644 break;
1da177e4 2645 }
1da177e4
LT		 2646 return 1; /* currently means nothing really */
2647}
2648
2649/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
0d0c7974 2650int
1da177e4
LT		 2651mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2652{
1da177e4
LT		 2653 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2654
37c60f37
KD		 2655 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2656 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2657 ioc->name, event));
1da177e4 2658
2f187862
KD		 2659 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2660 event == MPI_EVENT_EXT_BUS_RESET) &&
2661 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2662 ioc->soft_resets++;
1da177e4
LT		 2663
2664 return 1; /* currently means nothing really */
2665}
2666
1da177e4
LT		 2667/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2668/*
2669 * Bus Scan and Domain Validation functionality ...
2670 */
2671
2672/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2673/*
2674 * mptscsih_scandv_complete - Scan and DV callback routine registered
2675 * to Fustion MPT (base) driver.
2676 *
2677 * @ioc: Pointer to MPT_ADAPTER structure
2678 * @mf: Pointer to original MPT request frame
2679 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2680 *
2681 * This routine is called from mpt.c::mpt_interrupt() at the completion
2682 * of any SCSI IO request.
2683 * This routine is registered with the Fusion MPT (base) driver at driver
2684 * load/init time via the mpt_register() API call.
2685 *
2686 * Returns 1 indicating alloc'd request frame ptr should be freed.
2687 *
2688 * Remark: Sets a completion code and (possibly) saves sense data
2689 * in the IOC member localReply structure.
2690 * Used ONLY for DV and other internal commands.
2691 */
0d0c7974 2692int
37c60f37
KD		 2693mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2694 MPT_FRAME_HDR *reply)
1da177e4 2695{
1da177e4 2696 SCSIIORequest_t *pReq;
37c60f37
KD		 2697 SCSIIOReply_t *pReply;
2698 u8 cmd;
1da177e4 2699 u16 req_idx;
37c60f37
KD		 2700 u8 *sense_data;
2701 int sz;
1da177e4 2702
37c60f37
KD		 2703 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2704 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2705 if (!reply)
2706 goto out;
1da177e4 2707
37c60f37
KD		 2708 pReply = (SCSIIOReply_t *) reply;
2709 pReq = (SCSIIORequest_t *) req;
2710 ioc->internal_cmds.completion_code =
2711 mptscsih_get_completion_code(ioc, req, reply);
2712 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2713 memcpy(ioc->internal_cmds.reply, reply,
2714 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2715 cmd = reply->u.hdr.Function;
2716 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2717 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2718 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2719 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2720 sense_data = ((u8 *)ioc->sense_buf_pool +
2721 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2722 sz = min_t(int, pReq->SenseBufferLength,
2723 MPT_SENSE_BUFFER_ALLOC);
2724 memcpy(ioc->internal_cmds.sense, sense_data, sz);
1da177e4 2725 }
37c60f37
KD		 2726 out:
2727 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2728 return 0;
2729 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2730 complete(&ioc->internal_cmds.done);
1da177e4
LT		 2731 return 1;
2732}
2733
1da177e4 2734
37c60f37 2735/**
9b8f77a1 2736 * mptscsih_get_completion_code - get completion code from MPT request
37c60f37 2737 * @ioc: Pointer to MPT_ADAPTER structure
9cf46a35
RD		 2738 * @req: Pointer to original MPT request frame
2739 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
37c60f37
KD		 2740 *
2741 **/
2742static int
2743mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2744 MPT_FRAME_HDR *reply)
2745{
2746 SCSIIOReply_t *pReply;
2747 MpiRaidActionReply_t *pr;
2748 u8 scsi_status;
2749 u16 status;
2750 int completion_code;
2751
2752 pReply = (SCSIIOReply_t *)reply;
2753 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2754 scsi_status = pReply->SCSIStatus;
2755
2756 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2757 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2758 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2759 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2760
2761 switch (status) {
2762
2763 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2764 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2765 break;
2766
2767 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2768 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2769 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2770 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2771 completion_code = MPT_SCANDV_DID_RESET;
2772 break;
2773
2774 case MPI_IOCSTATUS_BUSY:
2775 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2776 completion_code = MPT_SCANDV_BUSY;
2777 break;
2778
2779 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2780 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2781 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2782 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2783 completion_code = MPT_SCANDV_GOOD;
2784 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2785 pr = (MpiRaidActionReply_t *)reply;
2786 if (le16_to_cpu(pr->ActionStatus) ==
2787 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2788 completion_code = MPT_SCANDV_GOOD;
2789 else
2790 completion_code = MPT_SCANDV_SOME_ERROR;
2791 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2792 completion_code = MPT_SCANDV_SENSE;
2793 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2794 if (req->u.scsireq.CDB[0] == INQUIRY)
2795 completion_code = MPT_SCANDV_ISSUE_SENSE;
2796 else
2797 completion_code = MPT_SCANDV_DID_RESET;
2798 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2799 completion_code = MPT_SCANDV_DID_RESET;
2800 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2801 completion_code = MPT_SCANDV_DID_RESET;
2802 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2803 completion_code = MPT_SCANDV_BUSY;
2804 else
2805 completion_code = MPT_SCANDV_GOOD;
2806 break;
2807
2808 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2809 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2810 completion_code = MPT_SCANDV_DID_RESET;
2811 else
2812 completion_code = MPT_SCANDV_SOME_ERROR;
2813 break;
2814 default:
2815 completion_code = MPT_SCANDV_SOME_ERROR;
2816 break;
2817
2818 } /* switch(status) */
2819
2820 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2821 " completionCode set to %08xh\n", ioc->name, completion_code));
2822 return completion_code;
2823}
1da177e4
LT		 2824
2825/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2826/**
2827 * mptscsih_do_cmd - Do internal command.
2828 * @hd: MPT_SCSI_HOST pointer
2829 * @io: INTERNAL_CMD pointer.
2830 *
2831 * Issue the specified internally generated command and do command
2832 * specific cleanup. For bus scan / DV only.
2833 * NOTES: If command is Inquiry and status is good,
2834 * initialize a target structure, save the data
2835 *
2836 * Remark: Single threaded access only.
2837 *
2838 * Return:
2839 * < 0 if an illegal command or no resources
2840 *
2841 * 0 if good
2842 *
2843 * > 0 if command complete but some type of completion error.
2844 */
2845static int
2846mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2847{
2848 MPT_FRAME_HDR *mf;
2849 SCSIIORequest_t *pScsiReq;
1da177e4 2850 int my_idx, ii, dir;
37c60f37 2851 int timeout;
1da177e4
LT		 2852 char cmdLen;
2853 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
37c60f37
KD		 2854 u8 cmd = io->cmd;
2855 MPT_ADAPTER *ioc = hd->ioc;
2856 int ret = 0;
2857 unsigned long timeleft;
2858 unsigned long flags;
1da177e4 2859
1ba9ab2e
KD		 2860 /* don't send internal command during diag reset */
2861 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2862 if (ioc->ioc_reset_in_progress) {
2863 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2864 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2865 "%s: busy with host reset\n", ioc->name, __func__));
2866 return MPT_SCANDV_BUSY;
2867 }
2868 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2869
37c60f37 2870 mutex_lock(&ioc->internal_cmds.mutex);
1da177e4
LT		 2871
2872 /* Set command specific information
2873 */
2874 switch (cmd) {
2875 case INQUIRY:
2876 cmdLen = 6;
2877 dir = MPI_SCSIIO_CONTROL_READ;
2878 CDB[0] = cmd;
2879 CDB[4] = io->size;
37c60f37 2880 timeout = 10;
1da177e4
LT		 2881 break;
2882
2883 case TEST_UNIT_READY:
2884 cmdLen = 6;
2885 dir = MPI_SCSIIO_CONTROL_READ;
37c60f37 2886 timeout = 10;
1da177e4
LT		 2887 break;
2888
2889 case START_STOP:
2890 cmdLen = 6;
2891 dir = MPI_SCSIIO_CONTROL_READ;
2892 CDB[0] = cmd;
2893 CDB[4] = 1; /*Spin up the disk */
37c60f37 2894 timeout = 15;
1da177e4
LT		 2895 break;
2896
2897 case REQUEST_SENSE:
2898 cmdLen = 6;
2899 CDB[0] = cmd;
2900 CDB[4] = io->size;
2901 dir = MPI_SCSIIO_CONTROL_READ;
37c60f37 2902 timeout = 10;
1da177e4
LT		 2903 break;
2904
2905 case READ_BUFFER:
2906 cmdLen = 10;
2907 dir = MPI_SCSIIO_CONTROL_READ;
2908 CDB[0] = cmd;
2909 if (io->flags & MPT_ICFLAG_ECHO) {
2910 CDB[1] = 0x0A;
2911 } else {
2912 CDB[1] = 0x02;
2913 }
2914
2915 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2916 CDB[1] |= 0x01;
2917 }
2918 CDB[6] = (io->size >> 16) & 0xFF;
2919 CDB[7] = (io->size >> 8) & 0xFF;
2920 CDB[8] = io->size & 0xFF;
37c60f37 2921 timeout = 10;
1da177e4
LT		 2922 break;
2923
2924 case WRITE_BUFFER:
2925 cmdLen = 10;
2926 dir = MPI_SCSIIO_CONTROL_WRITE;
2927 CDB[0] = cmd;
2928 if (io->flags & MPT_ICFLAG_ECHO) {
2929 CDB[1] = 0x0A;
2930 } else {
2931 CDB[1] = 0x02;
2932 }
2933 CDB[6] = (io->size >> 16) & 0xFF;
2934 CDB[7] = (io->size >> 8) & 0xFF;
2935 CDB[8] = io->size & 0xFF;
37c60f37 2936 timeout = 10;
1da177e4
LT		 2937 break;
2938
2939 case RESERVE:
2940 cmdLen = 6;
2941 dir = MPI_SCSIIO_CONTROL_READ;
2942 CDB[0] = cmd;
37c60f37 2943 timeout = 10;
1da177e4
LT		 2944 break;
2945
2946 case RELEASE:
2947 cmdLen = 6;
2948 dir = MPI_SCSIIO_CONTROL_READ;
2949 CDB[0] = cmd;
37c60f37 2950 timeout = 10;
1da177e4
LT		 2951 break;
2952
2953 case SYNCHRONIZE_CACHE:
2954 cmdLen = 10;
2955 dir = MPI_SCSIIO_CONTROL_READ;
2956 CDB[0] = cmd;
2957// CDB[1] = 0x02; /* set immediate bit */
37c60f37 2958 timeout = 10;
1da177e4
LT		 2959 break;
2960
2961 default:
2962 /* Error Case */
37c60f37
KD		 2963 ret = -EFAULT;
2964 goto out;
1da177e4
LT		 2965 }
2966
2967 /* Get and Populate a free Frame
37c60f37 2968 * MsgContext set in mpt_get_msg_frame call
1da177e4 2969 */
e80b002b 2970 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
37c60f37
KD		 2971 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2972 ioc->name, __func__));
2973 ret = MPT_SCANDV_BUSY;
2974 goto out;
1da177e4
LT		 2975 }
2976
2977 pScsiReq = (SCSIIORequest_t *) mf;
2978
2979 /* Get the request index */
2980 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2981 ADD_INDEX_LOG(my_idx); /* for debug */
2982
2983 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2984 pScsiReq->TargetID = io->physDiskNum;
2985 pScsiReq->Bus = 0;
2986 pScsiReq->ChainOffset = 0;
2987 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2988 } else {
2989 pScsiReq->TargetID = io->id;
793955f5 2990 pScsiReq->Bus = io->channel;
1da177e4
LT		 2991 pScsiReq->ChainOffset = 0;
2992 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2993 }
2994
2995 pScsiReq->CDBLength = cmdLen;
2996 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2997
2998 pScsiReq->Reserved = 0;
2999
14d0f0b0 3000 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
1da177e4
LT		 3001 /* MsgContext set in mpt_get_msg_fram call */
3002
793955f5 3003 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
1da177e4
LT		 3004
3005 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
3006 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
3007 else
3008 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3009
3010 if (cmd == REQUEST_SENSE) {
3011 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
37c60f37
KD		 3012 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3013 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
1da177e4
LT		 3014 }
3015
37c60f37 3016 for (ii = 0; ii < 16; ii++)
1da177e4
LT		 3017 pScsiReq->CDB[ii] = CDB[ii];
3018
3019 pScsiReq->DataLength = cpu_to_le32(io->size);
e80b002b 3020 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1da177e4
LT		 3021 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
3022
37c60f37
KD		 3023 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3024 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n",
3025 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
1da177e4 3026
37c60f37 3027 if (dir == MPI_SCSIIO_CONTROL_READ)
14d0f0b0 3028 ioc->add_sge((char *) &pScsiReq->SGL,
37c60f37
KD		 3029 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
3030 else
14d0f0b0 3031 ioc->add_sge((char *) &pScsiReq->SGL,
37c60f37 3032 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
1da177e4 3033
37c60f37 3034 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
e80b002b 3035 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
37c60f37
KD		 3036 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
3037 timeout*HZ);
3038 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
3039 ret = MPT_SCANDV_DID_RESET;
3040 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3041 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
3042 cmd));
3043 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
3044 mpt_free_msg_frame(ioc, mf);
3045 goto out;
3046 }
3047 if (!timeleft) {
3048 printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
3049 ioc->name, __func__);
d0f698c4 3050 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
37c60f37
KD		 3051 mpt_free_msg_frame(ioc, mf);
3052 }
3053 goto out;
1da177e4
LT		 3054 }
3055
37c60f37
KD		 3056 ret = ioc->internal_cmds.completion_code;
3057 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
3058 ioc->name, __func__, ret));
3059
3060 out:
3061 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
3062 mutex_unlock(&ioc->internal_cmds.mutex);
3063 return ret;
1da177e4
LT		 3064}
3065
c7c82987
MED		 3066/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3067/**
3068 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3069 * @hd: Pointer to a SCSI HOST structure
d9489fb6 3070 * @vdevice: virtual target device
c7c82987
MED		 3071 *
3072 * Uses the ISR, but with special processing.
3073 * MUST be single-threaded.
3074 *
3075 */
3076static void
3077mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3078{
3079 INTERNAL_CMD iocmd;
1da177e4 3080
cc78d30a
EM		 3081 /* Ignore hidden raid components, this is handled when the command
3082 * is sent to the volume
3083 */
3084 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3085 return;
3086
3087 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3088 !vdevice->configured_lun)
3089 return;
3090
c7c82987
MED		 3091 /* Following parameters will not change
3092 * in this routine.
3093 */
3094 iocmd.cmd = SYNCHRONIZE_CACHE;
3095 iocmd.flags = 0;
3096 iocmd.physDiskNum = -1;
3097 iocmd.data = NULL;
3098 iocmd.data_dma = -1;
3099 iocmd.size = 0;
3100 iocmd.rsvd = iocmd.rsvd2 = 0;
793955f5
EM		 3101 iocmd.channel = vdevice->vtarget->channel;
3102 iocmd.id = vdevice->vtarget->id;
3103 iocmd.lun = vdevice->lun;
1da177e4 3104
cc78d30a 3105 mptscsih_do_cmd(hd, &iocmd);
1da177e4
LT		 3106}
3107
edb9068d 3108static ssize_t
ee959b00
TJ		 3109mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3110 char *buf)
edb9068d 3111{
ee959b00 3112 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3113 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3114 MPT_ADAPTER *ioc = hd->ioc;
3115
3116 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3117 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3118 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3119 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3120 ioc->facts.FWVersion.Word & 0x000000FF);
3121}
ee959b00 3122static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
edb9068d
PS		 3123
3124static ssize_t
ee959b00
TJ		 3125mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3126 char *buf)
edb9068d 3127{
ee959b00 3128 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3129 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3130 MPT_ADAPTER *ioc = hd->ioc;
3131
3132 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3133 (ioc->biosVersion & 0xFF000000) >> 24,
3134 (ioc->biosVersion & 0x00FF0000) >> 16,
3135 (ioc->biosVersion & 0x0000FF00) >> 8,
3136 ioc->biosVersion & 0x000000FF);
3137}
ee959b00 3138static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
edb9068d
PS		 3139
3140static ssize_t
ee959b00
TJ		 3141mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3142 char *buf)
edb9068d 3143{
ee959b00 3144 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3145 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3146 MPT_ADAPTER *ioc = hd->ioc;
3147
3148 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3149}
ee959b00 3150static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
edb9068d
PS		 3151
3152static ssize_t
ee959b00
TJ		 3153mptscsih_version_product_show(struct device *dev,
3154 struct device_attribute *attr,
3155char *buf)
edb9068d 3156{
ee959b00 3157 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3158 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3159 MPT_ADAPTER *ioc = hd->ioc;
3160
3161 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3162}
ee959b00 3163static DEVICE_ATTR(version_product, S_IRUGO,
edb9068d
PS		 3164 mptscsih_version_product_show, NULL);
3165
3166static ssize_t
ee959b00
TJ		 3167mptscsih_version_nvdata_persistent_show(struct device *dev,
3168 struct device_attribute *attr,
3169 char *buf)
edb9068d 3170{
ee959b00 3171 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3172 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3173 MPT_ADAPTER *ioc = hd->ioc;
3174
3175 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3176 ioc->nvdata_version_persistent);
3177}
ee959b00 3178static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
edb9068d
PS		 3179 mptscsih_version_nvdata_persistent_show, NULL);
3180
3181static ssize_t
ee959b00
TJ		 3182mptscsih_version_nvdata_default_show(struct device *dev,
3183 struct device_attribute *attr, char *buf)
edb9068d 3184{
ee959b00 3185 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3186 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3187 MPT_ADAPTER *ioc = hd->ioc;
3188
3189 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3190}
ee959b00 3191static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
edb9068d
PS		 3192 mptscsih_version_nvdata_default_show, NULL);
3193
3194static ssize_t
ee959b00
TJ		 3195mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3196 char *buf)
edb9068d 3197{
ee959b00 3198 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3199 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3200 MPT_ADAPTER *ioc = hd->ioc;
3201
3202 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3203}
ee959b00 3204static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
edb9068d
PS		 3205
3206static ssize_t
ee959b00
TJ		 3207mptscsih_board_assembly_show(struct device *dev,
3208 struct device_attribute *attr, char *buf)
edb9068d 3209{
ee959b00 3210 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3211 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3212 MPT_ADAPTER *ioc = hd->ioc;
3213
3214 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3215}
ee959b00 3216static DEVICE_ATTR(board_assembly, S_IRUGO,
edb9068d
PS		 3217 mptscsih_board_assembly_show, NULL);
3218
3219static ssize_t
ee959b00
TJ		 3220mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3221 char *buf)
edb9068d 3222{
ee959b00 3223 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3224 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3225 MPT_ADAPTER *ioc = hd->ioc;
3226
3227 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3228}
ee959b00 3229static DEVICE_ATTR(board_tracer, S_IRUGO,
edb9068d
PS		 3230 mptscsih_board_tracer_show, NULL);
3231
3232static ssize_t
ee959b00
TJ		 3233mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3234 char *buf)
edb9068d 3235{
ee959b00 3236 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3237 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3238 MPT_ADAPTER *ioc = hd->ioc;
3239
3240 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3241}
ee959b00 3242static DEVICE_ATTR(io_delay, S_IRUGO,
edb9068d
PS		 3243 mptscsih_io_delay_show, NULL);
3244
3245static ssize_t
ee959b00
TJ		 3246mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3247 char *buf)
edb9068d 3248{
ee959b00 3249 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3250 MPT_SCSI_HOST *hd = shost_priv(host);
edb9068d
PS		 3251 MPT_ADAPTER *ioc = hd->ioc;
3252
3253 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3254}
ee959b00 3255static DEVICE_ATTR(device_delay, S_IRUGO,
edb9068d
PS		 3256 mptscsih_device_delay_show, NULL);
3257
6757d6b4 3258static ssize_t
ee959b00
TJ		 3259mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3260 char *buf)
6757d6b4 3261{
ee959b00 3262 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3263 MPT_SCSI_HOST *hd = shost_priv(host);
6757d6b4
PS		 3264 MPT_ADAPTER *ioc = hd->ioc;
3265
3266 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3267}
3268static ssize_t
ee959b00
TJ		 3269mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3270 const char *buf, size_t count)
6757d6b4 3271{
ee959b00 3272 struct Scsi_Host *host = class_to_shost(dev);
e7eae9f6 3273 MPT_SCSI_HOST *hd = shost_priv(host);
6757d6b4
PS		 3274 MPT_ADAPTER *ioc = hd->ioc;
3275 int val = 0;
3276
3277 if (sscanf(buf, "%x", &val) != 1)
3278 return -EINVAL;
3279
3280 ioc->debug_level = val;
3281 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3282 ioc->name, ioc->debug_level);
3283 return strlen(buf);
3284}
ee959b00
TJ		 3285static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3286 mptscsih_debug_level_show, mptscsih_debug_level_store);
3287
3288struct device_attribute *mptscsih_host_attrs[] = {
3289 &dev_attr_version_fw,
3290 &dev_attr_version_bios,
3291 &dev_attr_version_mpi,
3292 &dev_attr_version_product,
3293 &dev_attr_version_nvdata_persistent,
3294 &dev_attr_version_nvdata_default,
3295 &dev_attr_board_name,
3296 &dev_attr_board_assembly,
3297 &dev_attr_board_tracer,
3298 &dev_attr_io_delay,
3299 &dev_attr_device_delay,
3300 &dev_attr_debug_level,
edb9068d
PS		 3301 NULL,
3302};
37c60f37 3303
edb9068d
PS		 3304EXPORT_SYMBOL(mptscsih_host_attrs);
3305
0d0c7974
MED		 3306EXPORT_SYMBOL(mptscsih_remove);
3307EXPORT_SYMBOL(mptscsih_shutdown);
3308#ifdef CONFIG_PM
3309EXPORT_SYMBOL(mptscsih_suspend);
3310EXPORT_SYMBOL(mptscsih_resume);
3311#endif
3312EXPORT_SYMBOL(mptscsih_proc_info);
3313EXPORT_SYMBOL(mptscsih_info);
3314EXPORT_SYMBOL(mptscsih_qcmd);
0d0c7974
MED		 3315EXPORT_SYMBOL(mptscsih_slave_destroy);
3316EXPORT_SYMBOL(mptscsih_slave_configure);
3317EXPORT_SYMBOL(mptscsih_abort);
3318EXPORT_SYMBOL(mptscsih_dev_reset);
3319EXPORT_SYMBOL(mptscsih_bus_reset);
3320EXPORT_SYMBOL(mptscsih_host_reset);
3321EXPORT_SYMBOL(mptscsih_bios_param);
3322EXPORT_SYMBOL(mptscsih_io_done);
3323EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3324EXPORT_SYMBOL(mptscsih_scandv_complete);
3325EXPORT_SYMBOL(mptscsih_event_process);
3326EXPORT_SYMBOL(mptscsih_ioc_reset);
6e3815ba 3327EXPORT_SYMBOL(mptscsih_change_queue_depth);
1da177e4 3328
0d0c7974 3329/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Clone of davem's net-next-2.6 tree