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MERGE-master-patchset-edits
[linux-2.6/openmoko-kernel.git] / drivers / message / fusion / mptscsih.c
blobe62c6bc4ad33ec83407a002a1549a5edd49cdc90
1 /*
2 * linux/drivers/message/fusion/mptscsih.c
3 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
5 *
6 * Copyright (c) 1999-2008 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
8 *
9 */
10 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
11 /*
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; version 2 of the License.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 NO WARRANTY
22 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
23 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
24 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
25 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
26 solely responsible for determining the appropriateness of using and
27 distributing the Program and assumes all risks associated with its
28 exercise of rights under this Agreement, including but not limited to
29 the risks and costs of program errors, damage to or loss of data,
30 programs or equipment, and unavailability or interruption of operations.
31
32 DISCLAIMER OF LIABILITY
33 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
34 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
36 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
37 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
38 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
39 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
40
41 You should have received a copy of the GNU General Public License
42 along with this program; if not, write to the Free Software
43 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
44 */
45 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
46
47 #include <linux/module.h>
48 #include <linux/kernel.h>
49 #include <linux/init.h>
50 #include <linux/errno.h>
51 #include <linux/kdev_t.h>
52 #include <linux/blkdev.h>
53 #include <linux/delay.h> /* for mdelay */
54 #include <linux/interrupt.h> /* needed for in_interrupt() proto */
55 #include <linux/reboot.h> /* notifier code */
56 #include <linux/workqueue.h>
57
58 #include <scsi/scsi.h>
59 #include <scsi/scsi_cmnd.h>
60 #include <scsi/scsi_device.h>
61 #include <scsi/scsi_host.h>
62 #include <scsi/scsi_tcq.h>
63 #include <scsi/scsi_dbg.h>
64
65 #include "mptbase.h"
66 #include "mptscsih.h"
67 #include "lsi/mpi_log_sas.h"
68
69 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
70 #define my_NAME "Fusion MPT SCSI Host driver"
71 #define my_VERSION MPT_LINUX_VERSION_COMMON
72 #define MYNAM "mptscsih"
73
74 MODULE_AUTHOR(MODULEAUTHOR);
75 MODULE_DESCRIPTION(my_NAME);
76 MODULE_LICENSE("GPL");
77 MODULE_VERSION(my_VERSION);
78
79 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
80 /*
81 * Other private/forward protos...
82 */
83 static struct scsi_cmnd * mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
84 static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
85 static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
86 static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
87 int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
88 static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
89 int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
90
91 static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
92 SCSIIORequest_t *pReq, int req_idx);
93 static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
94 static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
95 static int mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd);
96 static int mptscsih_tm_wait_for_completion(MPT_SCSI_HOST * hd, ulong timeout );
97
98 static int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int ctx2abort, ulong timeout);
99
100 int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
101 int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
102
103 int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
104 static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
105 static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
106
107 void mptscsih_remove(struct pci_dev *);
108 void mptscsih_shutdown(struct pci_dev *);
109 #ifdef CONFIG_PM
110 int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
111 int mptscsih_resume(struct pci_dev *pdev);
112 #endif
113
114 #define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE
115
116 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
117 /**
118 * mptscsih_add_sge - Place a simple SGE at address pAddr.
119 * @pAddr: virtual address for SGE
120 * @flagslength: SGE flags and data transfer length
121 * @dma_addr: Physical address
122 *
123 * This routine places a MPT request frame back on the MPT adapter's
124 * FreeQ.
125 */
126 static inline void
127 mptscsih_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr)
128 {
129 if (sizeof(dma_addr_t) == sizeof(u64)) {
130 SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
131 u32 tmp = dma_addr & 0xFFFFFFFF;
132
133 pSge->FlagsLength = cpu_to_le32(flagslength);
134 pSge->Address.Low = cpu_to_le32(tmp);
135 tmp = (u32) ((u64)dma_addr >> 32);
136 pSge->Address.High = cpu_to_le32(tmp);
137
138 } else {
139 SGESimple32_t *pSge = (SGESimple32_t *) pAddr;
140 pSge->FlagsLength = cpu_to_le32(flagslength);
141 pSge->Address = cpu_to_le32(dma_addr);
142 }
143 } /* mptscsih_add_sge() */
144
145 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
146 /**
147 * mptscsih_add_chain - Place a chain SGE at address pAddr.
148 * @pAddr: virtual address for SGE
149 * @next: nextChainOffset value (u32's)
150 * @length: length of next SGL segment
151 * @dma_addr: Physical address
152 *
153 * This routine places a MPT request frame back on the MPT adapter's
154 * FreeQ.
155 */
156 static inline void
157 mptscsih_add_chain(char *pAddr, u8 next, u16 length, dma_addr_t dma_addr)
158 {
159 if (sizeof(dma_addr_t) == sizeof(u64)) {
160 SGEChain64_t *pChain = (SGEChain64_t *) pAddr;
161 u32 tmp = dma_addr & 0xFFFFFFFF;
162
163 pChain->Length = cpu_to_le16(length);
164 pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | mpt_addr_size();
165
166 pChain->NextChainOffset = next;
167
168 pChain->Address.Low = cpu_to_le32(tmp);
169 tmp = (u32) ((u64)dma_addr >> 32);
170 pChain->Address.High = cpu_to_le32(tmp);
171 } else {
172 SGEChain32_t *pChain = (SGEChain32_t *) pAddr;
173 pChain->Length = cpu_to_le16(length);
174 pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | mpt_addr_size();
175 pChain->NextChainOffset = next;
176 pChain->Address = cpu_to_le32(dma_addr);
177 }
178 } /* mptscsih_add_chain() */
179
180 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
181 /*
182 * mptscsih_getFreeChainBuffer - Function to get a free chain
183 * from the MPT_SCSI_HOST FreeChainQ.
184 * @ioc: Pointer to MPT_ADAPTER structure
185 * @req_idx: Index of the SCSI IO request frame. (output)
186 *
187 * return SUCCESS or FAILED
188 */
189 static inline int
190 mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
191 {
192 MPT_FRAME_HDR *chainBuf;
193 unsigned long flags;
194 int rc;
195 int chain_idx;
196
197 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
198 ioc->name));
199 spin_lock_irqsave(&ioc->FreeQlock, flags);
200 if (!list_empty(&ioc->FreeChainQ)) {
201 int offset;
202
203 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
204 u.frame.linkage.list);
205 list_del(&chainBuf->u.frame.linkage.list);
206 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
207 chain_idx = offset / ioc->req_sz;
208 rc = SUCCESS;
209 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
210 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
211 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
212 } else {
213 rc = FAILED;
214 chain_idx = MPT_HOST_NO_CHAIN;
215 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
216 ioc->name));
217 }
218 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
219
220 *retIndex = chain_idx;
221 return rc;
222 } /* mptscsih_getFreeChainBuffer() */
223
224 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
225 /*
226 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
227 * SCSIIORequest_t Message Frame.
228 * @ioc: Pointer to MPT_ADAPTER structure
229 * @SCpnt: Pointer to scsi_cmnd structure
230 * @pReq: Pointer to SCSIIORequest_t structure
231 *
232 * Returns ...
233 */
234 static int
235 mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
236 SCSIIORequest_t *pReq, int req_idx)
237 {
238 char *psge;
239 char *chainSge;
240 struct scatterlist *sg;
241 int frm_sz;
242 int sges_left, sg_done;
243 int chain_idx = MPT_HOST_NO_CHAIN;
244 int sgeOffset;
245 int numSgeSlots, numSgeThisFrame;
246 u32 sgflags, sgdir, thisxfer = 0;
247 int chain_dma_off = 0;
248 int newIndex;
249 int ii;
250 dma_addr_t v2;
251 u32 RequestNB;
252
253 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
254 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
255 sgdir = MPT_TRANSFER_HOST_TO_IOC;
256 } else {
257 sgdir = MPT_TRANSFER_IOC_TO_HOST;
258 }
259
260 psge = (char *) &pReq->SGL;
261 frm_sz = ioc->req_sz;
262
263 /* Map the data portion, if any.
264 * sges_left = 0 if no data transfer.
265 */
266 sges_left = scsi_dma_map(SCpnt);
267 if (sges_left < 0)
268 return FAILED;
269
270 /* Handle the SG case.
271 */
272 sg = scsi_sglist(SCpnt);
273 sg_done = 0;
274 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
275 chainSge = NULL;
276
277 /* Prior to entering this loop - the following must be set
278 * current MF: sgeOffset (bytes)
279 * chainSge (Null if original MF is not a chain buffer)
280 * sg_done (num SGE done for this MF)
281 */
282
283 nextSGEset:
284 numSgeSlots = ((frm_sz - sgeOffset) / (sizeof(u32) + sizeof(dma_addr_t)) );
285 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
286
287 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | MPT_SGE_FLAGS_ADDRESSING | sgdir;
288
289 /* Get first (num - 1) SG elements
290 * Skip any SG entries with a length of 0
291 * NOTE: at finish, sg and psge pointed to NEXT data/location positions
292 */
293 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
294 thisxfer = sg_dma_len(sg);
295 if (thisxfer == 0) {
296 sg = sg_next(sg); /* Get next SG element from the OS */
297 sg_done++;
298 continue;
299 }
300
301 v2 = sg_dma_address(sg);
302 mptscsih_add_sge(psge, sgflags | thisxfer, v2);
303
304 sg = sg_next(sg); /* Get next SG element from the OS */
305 psge += (sizeof(u32) + sizeof(dma_addr_t));
306 sgeOffset += (sizeof(u32) + sizeof(dma_addr_t));
307 sg_done++;
308 }
309
310 if (numSgeThisFrame == sges_left) {
311 /* Add last element, end of buffer and end of list flags.
312 */
313 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
314 MPT_SGE_FLAGS_END_OF_BUFFER |
315 MPT_SGE_FLAGS_END_OF_LIST;
316
317 /* Add last SGE and set termination flags.
318 * Note: Last SGE may have a length of 0 - which should be ok.
319 */
320 thisxfer = sg_dma_len(sg);
321
322 v2 = sg_dma_address(sg);
323 mptscsih_add_sge(psge, sgflags | thisxfer, v2);
324 /*
325 sg = sg_next(sg);
326 psge += (sizeof(u32) + sizeof(dma_addr_t));
327 */
328 sgeOffset += (sizeof(u32) + sizeof(dma_addr_t));
329 sg_done++;
330
331 if (chainSge) {
332 /* The current buffer is a chain buffer,
333 * but there is not another one.
334 * Update the chain element
335 * Offset and Length fields.
336 */
337 mptscsih_add_chain((char *)chainSge, 0, sgeOffset, ioc->ChainBufferDMA + chain_dma_off);
338 } else {
339 /* The current buffer is the original MF
340 * and there is no Chain buffer.
341 */
342 pReq->ChainOffset = 0;
343 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
344 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
345 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
346 ioc->RequestNB[req_idx] = RequestNB;
347 }
348 } else {
349 /* At least one chain buffer is needed.
350 * Complete the first MF
351 * - last SGE element, set the LastElement bit
352 * - set ChainOffset (words) for orig MF
353 * (OR finish previous MF chain buffer)
354 * - update MFStructPtr ChainIndex
355 * - Populate chain element
356 * Also
357 * Loop until done.
358 */
359
360 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
361 ioc->name, sg_done));
362
363 /* Set LAST_ELEMENT flag for last non-chain element
364 * in the buffer. Since psge points at the NEXT
365 * SGE element, go back one SGE element, update the flags
366 * and reset the pointer. (Note: sgflags & thisxfer are already
367 * set properly).
368 */
369 if (sg_done) {
370 u32 *ptmp = (u32 *) (psge - (sizeof(u32) + sizeof(dma_addr_t)));
371 sgflags = le32_to_cpu(*ptmp);
372 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
373 *ptmp = cpu_to_le32(sgflags);
374 }
375
376 if (chainSge) {
377 /* The current buffer is a chain buffer.
378 * chainSge points to the previous Chain Element.
379 * Update its chain element Offset and Length (must
380 * include chain element size) fields.
381 * Old chain element is now complete.
382 */
383 u8 nextChain = (u8) (sgeOffset >> 2);
384 sgeOffset += (sizeof(u32) + sizeof(dma_addr_t));
385 mptscsih_add_chain((char *)chainSge, nextChain, sgeOffset, ioc->ChainBufferDMA + chain_dma_off);
386 } else {
387 /* The original MF buffer requires a chain buffer -
388 * set the offset.
389 * Last element in this MF is a chain element.
390 */
391 pReq->ChainOffset = (u8) (sgeOffset >> 2);
392 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
393 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
394 ioc->RequestNB[req_idx] = RequestNB;
395 }
396
397 sges_left -= sg_done;
398
399
400 /* NOTE: psge points to the beginning of the chain element
401 * in current buffer. Get a chain buffer.
402 */
403 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
404 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
405 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
406 ioc->name, pReq->CDB[0], SCpnt));
407 return FAILED;
408 }
409
410 /* Update the tracking arrays.
411 * If chainSge == NULL, update ReqToChain, else ChainToChain
412 */
413 if (chainSge) {
414 ioc->ChainToChain[chain_idx] = newIndex;
415 } else {
416 ioc->ReqToChain[req_idx] = newIndex;
417 }
418 chain_idx = newIndex;
419 chain_dma_off = ioc->req_sz * chain_idx;
420
421 /* Populate the chainSGE for the current buffer.
422 * - Set chain buffer pointer to psge and fill
423 * out the Address and Flags fields.
424 */
425 chainSge = (char *) psge;
426 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
427 ioc->name, psge, req_idx));
428
429 /* Start the SGE for the next buffer
430 */
431 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
432 sgeOffset = 0;
433 sg_done = 0;
434
435 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
436 ioc->name, psge, chain_idx));
437
438 /* Start the SGE for the next buffer
439 */
440
441 goto nextSGEset;
442 }
443
444 return SUCCESS;
445 } /* mptscsih_AddSGE() */
446
447 static void
448 mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
449 U32 SlotStatus)
450 {
451 MPT_FRAME_HDR *mf;
452 SEPRequest_t *SEPMsg;
453
454 if (ioc->bus_type != SAS)
455 return;
456
457 /* Not supported for hidden raid components
458 */
459 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
460 return;
461
462 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
463 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
464 ioc->name,__func__));
465 return;
466 }
467
468 SEPMsg = (SEPRequest_t *)mf;
469 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
470 SEPMsg->Bus = vtarget->channel;
471 SEPMsg->TargetID = vtarget->id;
472 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
473 SEPMsg->SlotStatus = SlotStatus;
474 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
475 "Sending SEP cmd=%x channel=%d id=%d\n",
476 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
477 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
478 }
479
480 #ifdef CONFIG_FUSION_LOGGING
481 /**
482 * mptscsih_info_scsiio - debug print info on reply frame
483 * @ioc: Pointer to MPT_ADAPTER structure
484 * @sc: original scsi cmnd pointer
485 * @pScsiReply: Pointer to MPT reply frame
486 *
487 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
488 *
489 * Refer to lsi/mpi.h.
490 **/
491 static void
492 mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
493 {
494 char *desc = NULL;
495 char *desc1 = NULL;
496 u16 ioc_status;
497 u8 skey, asc, ascq;
498
499 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
500
501 switch (ioc_status) {
502
503 case MPI_IOCSTATUS_SUCCESS:
504 desc = "success";
505 break;
506 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
507 desc = "invalid bus";
508 break;
509 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
510 desc = "invalid target_id";
511 break;
512 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
513 desc = "device not there";
514 break;
515 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
516 desc = "data overrun";
517 break;
518 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
519 desc = "data underrun";
520 break;
521 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
522 desc = "I/O data error";
523 break;
524 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
525 desc = "protocol error";
526 break;
527 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
528 desc = "task terminated";
529 break;
530 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
531 desc = "residual mismatch";
532 break;
533 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
534 desc = "task management failed";
535 break;
536 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
537 desc = "IOC terminated";
538 break;
539 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
540 desc = "ext terminated";
541 break;
542 default:
543 desc = "";
544 break;
545 }
546
547 switch (pScsiReply->SCSIStatus)
548 {
549
550 case MPI_SCSI_STATUS_SUCCESS:
551 desc1 = "success";
552 break;
553 case MPI_SCSI_STATUS_CHECK_CONDITION:
554 desc1 = "check condition";
555 break;
556 case MPI_SCSI_STATUS_CONDITION_MET:
557 desc1 = "condition met";
558 break;
559 case MPI_SCSI_STATUS_BUSY:
560 desc1 = "busy";
561 break;
562 case MPI_SCSI_STATUS_INTERMEDIATE:
563 desc1 = "intermediate";
564 break;
565 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
566 desc1 = "intermediate condmet";
567 break;
568 case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
569 desc1 = "reservation conflict";
570 break;
571 case MPI_SCSI_STATUS_COMMAND_TERMINATED:
572 desc1 = "command terminated";
573 break;
574 case MPI_SCSI_STATUS_TASK_SET_FULL:
575 desc1 = "task set full";
576 break;
577 case MPI_SCSI_STATUS_ACA_ACTIVE:
578 desc1 = "aca active";
579 break;
580 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
581 desc1 = "fcpext device logged out";
582 break;
583 case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
584 desc1 = "fcpext no link";
585 break;
586 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
587 desc1 = "fcpext unassigned";
588 break;
589 default:
590 desc1 = "";
591 break;
592 }
593
594 scsi_print_command(sc);
595 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d\n",
596 ioc->name, pScsiReply->Bus, pScsiReply->TargetID);
597 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
598 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
599 scsi_get_resid(sc));
600 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
601 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
602 le32_to_cpu(pScsiReply->TransferCount), sc->result);
603 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
604 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
605 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
606 pScsiReply->SCSIState);
607
608 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
609 skey = sc->sense_buffer[2] & 0x0F;
610 asc = sc->sense_buffer[12];
611 ascq = sc->sense_buffer[13];
612
613 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
614 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
615 }
616
617 /*
618 * Look for + dump FCP ResponseInfo[]!
619 */
620 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
621 pScsiReply->ResponseInfo)
622 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
623 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
624 }
625 #endif
626
627 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
628 /*
629 * mptscsih_io_done - Main SCSI IO callback routine registered to
630 * Fusion MPT (base) driver
631 * @ioc: Pointer to MPT_ADAPTER structure
632 * @mf: Pointer to original MPT request frame
633 * @r: Pointer to MPT reply frame (NULL if TurboReply)
634 *
635 * This routine is called from mpt.c::mpt_interrupt() at the completion
636 * of any SCSI IO request.
637 * This routine is registered with the Fusion MPT (base) driver at driver
638 * load/init time via the mpt_register() API call.
639 *
640 * Returns 1 indicating alloc'd request frame ptr should be freed.
641 */
642 int
643 mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
644 {
645 struct scsi_cmnd *sc;
646 MPT_SCSI_HOST *hd;
647 SCSIIORequest_t *pScsiReq;
648 SCSIIOReply_t *pScsiReply;
649 u16 req_idx, req_idx_MR;
650 VirtDevice *vdevice;
651 VirtTarget *vtarget;
652
653 hd = shost_priv(ioc->sh);
654 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
655 req_idx_MR = (mr != NULL) ?
656 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
657 if ((req_idx != req_idx_MR) ||
658 (mf->u.frame.linkage.arg1 == 0xdeadbeaf)) {
659 printk(MYIOC_s_ERR_FMT "Received a mf that was already freed\n",
660 ioc->name);
661 printk (MYIOC_s_ERR_FMT
662 "req_idx=%x req_idx_MR=%x mf=%p mr=%p sc=%p\n",
663 ioc->name, req_idx, req_idx_MR, mf, mr,
664 mptscsih_get_scsi_lookup(ioc, req_idx_MR));
665 return 0;
666 }
667
668 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
669 if (sc == NULL) {
670 MPIHeader_t *hdr = (MPIHeader_t *)mf;
671
672 /* Remark: writeSDP1 will use the ScsiDoneCtx
673 * If a SCSI I/O cmd, device disabled by OS and
674 * completion done. Cannot touch sc struct. Just free mem.
675 */
676 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
677 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
678 ioc->name);
679
680 mptscsih_freeChainBuffers(ioc, req_idx);
681 return 1;
682 }
683
684 if ((unsigned char *)mf != sc->host_scribble) {
685 mptscsih_freeChainBuffers(ioc, req_idx);
686 return 1;
687 }
688
689 sc->host_scribble = NULL;
690 sc->result = DID_OK << 16; /* Set default reply as OK */
691 pScsiReq = (SCSIIORequest_t *) mf;
692 pScsiReply = (SCSIIOReply_t *) mr;
693
694 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
695 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
696 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
697 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
698 }else{
699 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
700 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
701 ioc->name, mf, mr, sc, req_idx));
702 }
703
704 if (pScsiReply == NULL) {
705 /* special context reply handling */
706 ;
707 } else {
708 u32 xfer_cnt;
709 u16 status;
710 u8 scsi_state, scsi_status;
711 u32 log_info;
712
713 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
714 scsi_state = pScsiReply->SCSIState;
715 scsi_status = pScsiReply->SCSIStatus;
716 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
717 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
718 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
719
720 /*
721 * if we get a data underrun indication, yet no data was
722 * transferred and the SCSI status indicates that the
723 * command was never started, change the data underrun
724 * to success
725 */
726 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
727 (scsi_status == MPI_SCSI_STATUS_BUSY ||
728 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
729 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
730 status = MPI_IOCSTATUS_SUCCESS;
731 }
732
733 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
734 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
735
736 /*
737 * Look for + dump FCP ResponseInfo[]!
738 */
739 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
740 pScsiReply->ResponseInfo) {
741 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%d] "
742 "FCP_ResponseInfo=%08xh\n", ioc->name,
743 sc->device->host->host_no, sc->device->channel,
744 sc->device->id, sc->device->lun,
745 le32_to_cpu(pScsiReply->ResponseInfo));
746 }
747
748 switch(status) {
749 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
750 /* CHECKME!
751 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
752 * But not: DID_BUS_BUSY lest one risk
753 * killing interrupt handler:-(
754 */
755 sc->result = SAM_STAT_BUSY;
756 break;
757
758 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
759 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
760 sc->result = DID_BAD_TARGET << 16;
761 break;
762
763 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
764 /* Spoof to SCSI Selection Timeout! */
765 if (ioc->bus_type != FC)
766 sc->result = DID_NO_CONNECT << 16;
767 /* else fibre, just stall until rescan event */
768 else
769 sc->result = DID_REQUEUE << 16;
770
771 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
772 hd->sel_timeout[pScsiReq->TargetID]++;
773
774 vdevice = sc->device->hostdata;
775 if (!vdevice)
776 break;
777 vtarget = vdevice->vtarget;
778 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
779 mptscsih_issue_sep_command(ioc, vtarget,
780 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
781 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
782 }
783 break;
784
785 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
786 if ( ioc->bus_type == SAS ) {
787 u16 ioc_status = le16_to_cpu(pScsiReply->IOCStatus);
788 if (ioc_status & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
789 if ((log_info & SAS_LOGINFO_MASK)
790 == SAS_LOGINFO_NEXUS_LOSS) {
791 sc->result = (DID_BUS_BUSY << 16);
792 break;
793 }
794 }
795 } else if (ioc->bus_type == FC) {
796 /*
797 * The FC IOC may kill a request for variety of
798 * reasons, some of which may be recovered by a
799 * retry, some which are unlikely to be
800 * recovered. Return DID_ERROR instead of
801 * DID_RESET to permit retry of the command,
802 * just not an infinite number of them
803 */
804 sc->result = DID_ERROR << 16;
805 break;
806 }
807
808 /*
809 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
810 */
811
812 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
813 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
814 /* Linux handles an unsolicited DID_RESET better
815 * than an unsolicited DID_ABORT.
816 */
817 sc->result = DID_RESET << 16;
818
819 break;
820
821 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
822 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
823 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
824 sc->result=DID_SOFT_ERROR << 16;
825 else /* Sufficient data transfer occurred */
826 sc->result = (DID_OK << 16) | scsi_status;
827 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
828 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
829 ioc->name, sc->result, sc->device->channel, sc->device->id));
830 break;
831
832 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
833 /*
834 * Do upfront check for valid SenseData and give it
835 * precedence!
836 */
837 sc->result = (DID_OK << 16) | scsi_status;
838 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) {
839 /* Have already saved the status and sense data
840 */
841 ;
842 } else {
843 if (xfer_cnt < sc->underflow) {
844 if (scsi_status == SAM_STAT_BUSY)
845 sc->result = SAM_STAT_BUSY;
846 else
847 sc->result = DID_SOFT_ERROR << 16;
848 }
849 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
850 /* What to do?
851 */
852 sc->result = DID_SOFT_ERROR << 16;
853 }
854 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
855 /* Not real sure here either... */
856 sc->result = DID_RESET << 16;
857 }
858 }
859
860
861 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
862 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
863 ioc->name, sc->underflow));
864 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
865 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
866
867 /* Report Queue Full
868 */
869 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
870 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
871
872 break;
873
874 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
875 scsi_set_resid(sc, 0);
876 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
877 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
878 sc->result = (DID_OK << 16) | scsi_status;
879 if (scsi_state == 0) {
880 ;
881 } else if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) {
882 /*
883 * If running against circa 200003dd 909 MPT f/w,
884 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
885 * (QUEUE_FULL) returned from device! --> get 0x0000?128
886 * and with SenseBytes set to 0.
887 */
888 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
889 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
890
891 }
892 else if (scsi_state &
893 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
894 ) {
895 /*
896 * What to do?
897 */
898 sc->result = DID_SOFT_ERROR << 16;
899 }
900 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
901 /* Not real sure here either... */
902 sc->result = DID_RESET << 16;
903 }
904 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
905 /* Device Inq. data indicates that it supports
906 * QTags, but rejects QTag messages.
907 * This command completed OK.
908 *
909 * Not real sure here either so do nothing... */
910 }
911
912 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
913 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
914
915 /* Add handling of:
916 * Reservation Conflict, Busy,
917 * Command Terminated, CHECK
918 */
919 break;
920
921 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
922 sc->result = DID_SOFT_ERROR << 16;
923 break;
924
925 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
926 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
927 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
928 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
929 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
930 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
931 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
932 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
933 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
934 default:
935 /*
936 * What to do?
937 */
938 sc->result = DID_SOFT_ERROR << 16;
939 break;
940
941 } /* switch(status) */
942
943 #ifdef CONFIG_FUSION_LOGGING
944 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
945 mptscsih_info_scsiio(ioc, sc, pScsiReply);
946 #endif
947
948 } /* end of address reply case */
949
950 /* Unmap the DMA buffers, if any. */
951 scsi_dma_unmap(sc);
952
953 sc->scsi_done(sc); /* Issue the command callback */
954
955 /* Free Chain buffers */
956 mptscsih_freeChainBuffers(ioc, req_idx);
957 return 1;
958 }
959
960 /*
961 * mptscsih_flush_running_cmds - For each command found, search
962 * Scsi_Host instance taskQ and reply to OS.
963 * Called only if recovering from a FW reload.
964 * @hd: Pointer to a SCSI HOST structure
965 *
966 * Returns: None.
967 *
968 * Must be called while new I/Os are being queued.
969 */
970 static void
971 mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
972 {
973 MPT_ADAPTER *ioc = hd->ioc;
974 struct scsi_cmnd *sc;
975 SCSIIORequest_t *mf = NULL;
976 int ii;
977 int channel, id;
978
979 for (ii= 0; ii < ioc->req_depth; ii++) {
980 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
981 if (!sc)
982 continue;
983 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
984 if (!mf)
985 continue;
986 channel = mf->Bus;
987 id = mf->TargetID;
988 mptscsih_freeChainBuffers(ioc, ii);
989 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
990 if ((unsigned char *)mf != sc->host_scribble)
991 continue;
992 scsi_dma_unmap(sc);
993 sc->result = DID_RESET << 16;
994 sc->host_scribble = NULL;
995 sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
996 "completing cmds: fw_channel %d, fw_id %d, sc=%p,"
997 " mf = %p, idx=%x\n", ioc->name, channel, id, sc, mf, ii);
998 sc->scsi_done(sc);
999 }
1000 }
1001
1002 /*
1003 * mptscsih_search_running_cmds - Delete any commands associated
1004 * with the specified target and lun. Function called only
1005 * when a lun is disable by mid-layer.
1006 * Do NOT access the referenced scsi_cmnd structure or
1007 * members. Will cause either a paging or NULL ptr error.
1008 * (BUT, BUT, BUT, the code does reference it! - mdr)
1009 * @hd: Pointer to a SCSI HOST structure
1010 * @vdevice: per device private data
1011 *
1012 * Returns: None.
1013 *
1014 * Called from slave_destroy.
1015 */
1016 static void
1017 mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1018 {
1019 SCSIIORequest_t *mf = NULL;
1020 int ii;
1021 struct scsi_cmnd *sc;
1022 struct scsi_lun lun;
1023 MPT_ADAPTER *ioc = hd->ioc;
1024 unsigned long flags;
1025
1026 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1027 for (ii = 0; ii < ioc->req_depth; ii++) {
1028 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
1029
1030 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1031 if (mf == NULL)
1032 continue;
1033 /* If the device is a hidden raid component, then its
1034 * expected that the mf->function will be RAID_SCSI_IO
1035 */
1036 if (vdevice->vtarget->tflags &
1037 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1038 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1039 continue;
1040
1041 int_to_scsilun(vdevice->lun, &lun);
1042 if ((mf->Bus != vdevice->vtarget->channel) ||
1043 (mf->TargetID != vdevice->vtarget->id) ||
1044 memcmp(lun.scsi_lun, mf->LUN, 8))
1045 continue;
1046
1047 if ((unsigned char *)mf != sc->host_scribble)
1048 continue;
1049 ioc->ScsiLookup[ii] = NULL;
1050 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1051 mptscsih_freeChainBuffers(ioc, ii);
1052 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1053 scsi_dma_unmap(sc);
1054 sc->host_scribble = NULL;
1055 sc->result = DID_NO_CONNECT << 16;
1056 sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT "completing cmds: fw_channel %d,"
1057 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name, vdevice->vtarget->channel,
1058 vdevice->vtarget->id, sc, mf, ii);
1059 sc->scsi_done(sc);
1060 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1061 }
1062 }
1063 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1064 return;
1065 }
1066
1067 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1068
1069 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1070 /*
1071 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
1072 * from a SCSI target device.
1073 * @sc: Pointer to scsi_cmnd structure
1074 * @pScsiReply: Pointer to SCSIIOReply_t
1075 * @pScsiReq: Pointer to original SCSI request
1076 *
1077 * This routine periodically reports QUEUE_FULL status returned from a
1078 * SCSI target device. It reports this to the console via kernel
1079 * printk() API call, not more than once every 10 seconds.
1080 */
1081 static void
1082 mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1083 {
1084 long time = jiffies;
1085 MPT_SCSI_HOST *hd;
1086 MPT_ADAPTER *ioc;
1087
1088 if (sc->device == NULL)
1089 return;
1090 if (sc->device->host == NULL)
1091 return;
1092 if ((hd = shost_priv(sc->device->host)) == NULL)
1093 return;
1094 ioc = hd->ioc;
1095 if (time - hd->last_queue_full > 10 * HZ) {
1096 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n",
1097 ioc->name, 0, sc->device->id, sc->device->lun));
1098 hd->last_queue_full = time;
1099 }
1100 }
1101
1102 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1103 /*
1104 * mptscsih_remove - Removed scsi devices
1105 * @pdev: Pointer to pci_dev structure
1106 *
1107 *
1108 */
1109 void
1110 mptscsih_remove(struct pci_dev *pdev)
1111 {
1112 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1113 struct Scsi_Host *host = ioc->sh;
1114 MPT_SCSI_HOST *hd;
1115 int sz1;
1116
1117 if(!host) {
1118 mpt_detach(pdev);
1119 return;
1120 }
1121
1122 scsi_remove_host(host);
1123
1124 if((hd = shost_priv(host)) == NULL)
1125 return;
1126
1127 mptscsih_shutdown(pdev);
1128
1129 sz1=0;
1130
1131 if (ioc->ScsiLookup != NULL) {
1132 sz1 = ioc->req_depth * sizeof(void *);
1133 kfree(ioc->ScsiLookup);
1134 ioc->ScsiLookup = NULL;
1135 }
1136
1137 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1138 "Free'd ScsiLookup (%d) memory\n",
1139 ioc->name, sz1));
1140
1141 kfree(hd->info_kbuf);
1142
1143 /* NULL the Scsi_Host pointer
1144 */
1145 ioc->sh = NULL;
1146
1147 scsi_host_put(host);
1148
1149 mpt_detach(pdev);
1150
1151 }
1152
1153 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1154 /*
1155 * mptscsih_shutdown - reboot notifier
1156 *
1157 */
1158 void
1159 mptscsih_shutdown(struct pci_dev *pdev)
1160 {
1161 }
1162
1163 #ifdef CONFIG_PM
1164 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1165 /*
1166 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1167 *
1168 *
1169 */
1170 int
1171 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1172 {
1173 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1174
1175 scsi_block_requests(ioc->sh);
1176 flush_scheduled_work();
1177 mptscsih_shutdown(pdev);
1178 return mpt_suspend(pdev,state);
1179 }
1180
1181 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1182 /*
1183 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1184 *
1185 *
1186 */
1187 int
1188 mptscsih_resume(struct pci_dev *pdev)
1189 {
1190 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1191 int rc;
1192
1193 rc = mpt_resume(pdev);
1194 scsi_unblock_requests(ioc->sh);
1195 return rc;
1196 }
1197
1198 #endif
1199
1200 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1201 /**
1202 * mptscsih_info - Return information about MPT adapter
1203 * @SChost: Pointer to Scsi_Host structure
1204 *
1205 * (linux scsi_host_template.info routine)
1206 *
1207 * Returns pointer to buffer where information was written.
1208 */
1209 const char *
1210 mptscsih_info(struct Scsi_Host *SChost)
1211 {
1212 MPT_SCSI_HOST *h;
1213 int size = 0;
1214
1215 h = shost_priv(SChost);
1216
1217 if (h) {
1218 if (h->info_kbuf == NULL)
1219 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1220 return h->info_kbuf;
1221 h->info_kbuf[0] = '\0';
1222
1223 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1224 h->info_kbuf[size-1] = '\0';
1225 }
1226
1227 return h->info_kbuf;
1228 }
1229
1230 struct info_str {
1231 char *buffer;
1232 int length;
1233 int offset;
1234 int pos;
1235 };
1236
1237 static void
1238 mptscsih_copy_mem_info(struct info_str *info, char *data, int len)
1239 {
1240 if (info->pos + len > info->length)
1241 len = info->length - info->pos;
1242
1243 if (info->pos + len < info->offset) {
1244 info->pos += len;
1245 return;
1246 }
1247
1248 if (info->pos < info->offset) {
1249 data += (info->offset - info->pos);
1250 len -= (info->offset - info->pos);
1251 }
1252
1253 if (len > 0) {
1254 memcpy(info->buffer + info->pos, data, len);
1255 info->pos += len;
1256 }
1257 }
1258
1259 static int
1260 mptscsih_copy_info(struct info_str *info, char *fmt, ...)
1261 {
1262 va_list args;
1263 char buf[81];
1264 int len;
1265
1266 va_start(args, fmt);
1267 len = vsprintf(buf, fmt, args);
1268 va_end(args);
1269
1270 mptscsih_copy_mem_info(info, buf, len);
1271 return len;
1272 }
1273
1274 static int
1275 mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len)
1276 {
1277 struct info_str info;
1278
1279 info.buffer = pbuf;
1280 info.length = len;
1281 info.offset = offset;
1282 info.pos = 0;
1283
1284 mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name);
1285 mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1286 mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts);
1287 mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth);
1288
1289 return ((info.pos > info.offset) ? info.pos - info.offset : 0);
1290 }
1291
1292 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1293 /**
1294 * mptscsih_proc_info - Return information about MPT adapter
1295 * @host: scsi host struct
1296 * @buffer: if write, user data; if read, buffer for user
1297 * @start: returns the buffer address
1298 * @offset: if write, 0; if read, the current offset into the buffer from
1299 * the previous read.
1300 * @length: if write, return length;
1301 * @func: write = 1; read = 0
1302 *
1303 * (linux scsi_host_template.info routine)
1304 */
1305 int
1306 mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
1307 int length, int func)
1308 {
1309 MPT_SCSI_HOST *hd = shost_priv(host);
1310 MPT_ADAPTER *ioc = hd->ioc;
1311 int size = 0;
1312
1313 if (func) {
1314 /*
1315 * write is not supported
1316 */
1317 } else {
1318 if (start)
1319 *start = buffer;
1320
1321 size = mptscsih_host_info(ioc, buffer, offset, length);
1322 }
1323
1324 return size;
1325 }
1326
1327 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1328 #define ADD_INDEX_LOG(req_ent) do { } while(0)
1329
1330 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1331 /**
1332 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1333 * @SCpnt: Pointer to scsi_cmnd structure
1334 * @done: Pointer SCSI mid-layer IO completion function
1335 *
1336 * (linux scsi_host_template.queuecommand routine)
1337 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1338 * from a linux scsi_cmnd request and send it to the IOC.
1339 *
1340 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1341 */
1342 int
1343 mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1344 {
1345 MPT_SCSI_HOST *hd;
1346 MPT_FRAME_HDR *mf;
1347 SCSIIORequest_t *pScsiReq;
1348 VirtDevice *vdevice = SCpnt->device->hostdata;
1349 int lun;
1350 u32 datalen;
1351 u32 scsictl;
1352 u32 scsidir;
1353 u32 cmd_len;
1354 int my_idx;
1355 int ii;
1356 MPT_ADAPTER *ioc;
1357
1358 hd = shost_priv(SCpnt->device->host);
1359 ioc = hd->ioc;
1360 lun = SCpnt->device->lun;
1361 SCpnt->scsi_done = done;
1362
1363 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n",
1364 ioc->name, SCpnt, done));
1365
1366 if (hd->resetPending) {
1367 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "qcmd: SCpnt=%p timeout + 60HZ\n",
1368 ioc->name, SCpnt));
1369 return SCSI_MLQUEUE_HOST_BUSY;
1370 }
1371
1372 /*
1373 * Put together a MPT SCSI request...
1374 */
1375 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1376 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1377 ioc->name));
1378 return SCSI_MLQUEUE_HOST_BUSY;
1379 }
1380
1381 pScsiReq = (SCSIIORequest_t *) mf;
1382
1383 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1384
1385 ADD_INDEX_LOG(my_idx);
1386
1387 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
1388 * Seems we may receive a buffer (datalen>0) even when there
1389 * will be no data transfer! GRRRRR...
1390 */
1391 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
1392 datalen = scsi_bufflen(SCpnt);
1393 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1394 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
1395 datalen = scsi_bufflen(SCpnt);
1396 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1397 } else {
1398 datalen = 0;
1399 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1400 }
1401
1402 /* Default to untagged. Once a target structure has been allocated,
1403 * use the Inquiry data to determine if device supports tagged.
1404 */
1405 if (vdevice
1406 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
1407 && (SCpnt->device->tagged_supported)) {
1408 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1409 } else {
1410 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1411 }
1412
1413 /* Use the above information to set up the message frame
1414 */
1415 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1416 pScsiReq->Bus = vdevice->vtarget->channel;
1417 pScsiReq->ChainOffset = 0;
1418 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
1419 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1420 else
1421 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
1422 pScsiReq->CDBLength = SCpnt->cmd_len;
1423 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1424 pScsiReq->Reserved = 0;
1425 pScsiReq->MsgFlags = mpt_msg_flags();
1426 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
1427 pScsiReq->Control = cpu_to_le32(scsictl);
1428
1429 /*
1430 * Write SCSI CDB into the message
1431 */
1432 cmd_len = SCpnt->cmd_len;
1433 for (ii=0; ii < cmd_len; ii++)
1434 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1435
1436 for (ii=cmd_len; ii < 16; ii++)
1437 pScsiReq->CDB[ii] = 0;
1438
1439 /* DataLength */
1440 pScsiReq->DataLength = cpu_to_le32(datalen);
1441
1442 /* SenseBuffer low address */
1443 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1444 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1445
1446 /* Now add the SG list
1447 * Always have a SGE even if null length.
1448 */
1449 if (datalen == 0) {
1450 /* Add a NULL SGE */
1451 mptscsih_add_sge((char *)&pScsiReq->SGL, MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1452 (dma_addr_t) -1);
1453 } else {
1454 /* Add a 32 or 64 bit SGE */
1455 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1456 goto fail;
1457 }
1458
1459 SCpnt->host_scribble = (unsigned char *)mf;
1460 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
1461
1462 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
1463 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1464 ioc->name, SCpnt, mf, my_idx));
1465 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
1466 return 0;
1467
1468 fail:
1469 mptscsih_freeChainBuffers(ioc, my_idx);
1470 mpt_free_msg_frame(ioc, mf);
1471 return SCSI_MLQUEUE_HOST_BUSY;
1472 }
1473
1474 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1475 /*
1476 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1477 * with a SCSI IO request
1478 * @hd: Pointer to the MPT_SCSI_HOST instance
1479 * @req_idx: Index of the SCSI IO request frame.
1480 *
1481 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1482 * No return.
1483 */
1484 static void
1485 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1486 {
1487 MPT_FRAME_HDR *chain;
1488 unsigned long flags;
1489 int chain_idx;
1490 int next;
1491
1492 /* Get the first chain index and reset
1493 * tracker state.
1494 */
1495 chain_idx = ioc->ReqToChain[req_idx];
1496 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1497
1498 while (chain_idx != MPT_HOST_NO_CHAIN) {
1499
1500 /* Save the next chain buffer index */
1501 next = ioc->ChainToChain[chain_idx];
1502
1503 /* Free this chain buffer and reset
1504 * tracker
1505 */
1506 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1507
1508 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1509 + (chain_idx * ioc->req_sz));
1510
1511 spin_lock_irqsave(&ioc->FreeQlock, flags);
1512 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1513 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1514
1515 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1516 ioc->name, chain_idx));
1517
1518 /* handle next */
1519 chain_idx = next;
1520 }
1521 return;
1522 }
1523
1524 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1525 /*
1526 * Reset Handling
1527 */
1528
1529 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1530 /**
1531 * mptscsih_TMHandler - Generic handler for SCSI Task Management.
1532 * @hd: Pointer to MPT SCSI HOST structure
1533 * @type: Task Management type
1534 * @channel: channel number for task management
1535 * @id: Logical Target ID for reset (if appropriate)
1536 * @lun: Logical Unit for reset (if appropriate)
1537 * @ctx2abort: Context for the task to be aborted (if appropriate)
1538 * @timeout: timeout for task management control
1539 *
1540 * Fall through to mpt_HardResetHandler if: not operational, too many
1541 * failed TM requests or handshake failure.
1542 *
1543 * Remark: Currently invoked from a non-interrupt thread (_bh).
1544 *
1545 * Note: With old EH code, at most 1 SCSI TaskMgmt function per IOC
1546 * will be active.
1547 *
1548 * Returns 0 for SUCCESS, or %FAILED.
1549 **/
1550 int
1551 mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int ctx2abort, ulong timeout)
1552 {
1553 MPT_ADAPTER *ioc;
1554 int rc = -1;
1555 u32 ioc_raw_state;
1556 unsigned long flags;
1557
1558 ioc = hd->ioc;
1559 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TMHandler Entered!\n", ioc->name));
1560
1561 // SJR - CHECKME - Can we avoid this here?
1562 // (mpt_HardResetHandler has this check...)
1563 spin_lock_irqsave(&ioc->diagLock, flags);
1564 if ((ioc->diagPending) || (ioc->alt_ioc && ioc->alt_ioc->diagPending)) {
1565 spin_unlock_irqrestore(&ioc->diagLock, flags);
1566 return FAILED;
1567 }
1568 spin_unlock_irqrestore(&ioc->diagLock, flags);
1569
1570 /* Wait a fixed amount of time for the TM pending flag to be cleared.
1571 * If we time out and not bus reset, then we return a FAILED status
1572 * to the caller.
1573 * The call to mptscsih_tm_pending_wait() will set the pending flag
1574 * if we are
1575 * successful. Otherwise, reload the FW.
1576 */
1577 if (mptscsih_tm_pending_wait(hd) == FAILED) {
1578 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
1579 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TMHandler abort: "
1580 "Timed out waiting for last TM (%d) to complete! \n",
1581 ioc->name, hd->tmPending));
1582 return FAILED;
1583 } else if (type == MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET) {
1584 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TMHandler target "
1585 "reset: Timed out waiting for last TM (%d) "
1586 "to complete! \n", ioc->name,
1587 hd->tmPending));
1588 return FAILED;
1589 } else if (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) {
1590 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TMHandler bus reset: "
1591 "Timed out waiting for last TM (%d) to complete! \n",
1592 ioc->name, hd->tmPending));
1593 return FAILED;
1594 }
1595 } else {
1596 spin_lock_irqsave(&ioc->FreeQlock, flags);
1597 hd->tmPending |= (1 << type);
1598 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1599 }
1600
1601 ioc_raw_state = mpt_GetIocState(ioc, 0);
1602
1603 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1604 printk(MYIOC_s_WARN_FMT
1605 "TM Handler for type=%x: IOC Not operational (0x%x)!\n",
1606 ioc->name, type, ioc_raw_state);
1607 printk(MYIOC_s_WARN_FMT " Issuing HardReset!!\n", ioc->name);
1608 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1609 printk(MYIOC_s_WARN_FMT "TMHandler: HardReset "
1610 "FAILED!!\n", ioc->name);
1611 return FAILED;
1612 }
1613
1614 if (ioc_raw_state & MPI_DOORBELL_ACTIVE) {
1615 printk(MYIOC_s_WARN_FMT
1616 "TM Handler for type=%x: ioc_state: "
1617 "DOORBELL_ACTIVE (0x%x)!\n",
1618 ioc->name, type, ioc_raw_state);
1619 return FAILED;
1620 }
1621
1622 /* Isse the Task Mgmt request.
1623 */
1624 if (hd->hard_resets < -1)
1625 hd->hard_resets++;
1626
1627 rc = mptscsih_IssueTaskMgmt(hd, type, channel, id, lun,
1628 ctx2abort, timeout);
1629 if (rc)
1630 printk(MYIOC_s_INFO_FMT "Issue of TaskMgmt failed!\n",
1631 ioc->name);
1632 else
1633 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issue of TaskMgmt Successful!\n",
1634 ioc->name));
1635
1636 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1637 "TMHandler rc = %d!\n", ioc->name, rc));
1638
1639 return rc;
1640 }
1641
1642
1643 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1644 /**
1645 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1646 * @hd: Pointer to MPT_SCSI_HOST structure
1647 * @type: Task Management type
1648 * @channel: channel number for task management
1649 * @id: Logical Target ID for reset (if appropriate)
1650 * @lun: Logical Unit for reset (if appropriate)
1651 * @ctx2abort: Context for the task to be aborted (if appropriate)
1652 * @timeout: timeout for task management control
1653 *
1654 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1655 * or a non-interrupt thread. In the former, must not call schedule().
1656 *
1657 * Not all fields are meaningfull for all task types.
1658 *
1659 * Returns 0 for SUCCESS, or FAILED.
1660 *
1661 **/
1662 static int
1663 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int ctx2abort, ulong timeout)
1664 {
1665 MPT_FRAME_HDR *mf;
1666 SCSITaskMgmt_t *pScsiTm;
1667 int ii;
1668 int retval;
1669 MPT_ADAPTER *ioc = hd->ioc;
1670
1671 /* Return Fail to calling function if no message frames available.
1672 */
1673 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1674 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "IssueTaskMgmt, no msg frames!!\n",
1675 ioc->name));
1676 return FAILED;
1677 }
1678 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IssueTaskMgmt request @ %p\n",
1679 ioc->name, mf));
1680
1681 /* Format the Request
1682 */
1683 pScsiTm = (SCSITaskMgmt_t *) mf;
1684 pScsiTm->TargetID = id;
1685 pScsiTm->Bus = channel;
1686 pScsiTm->ChainOffset = 0;
1687 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1688
1689 pScsiTm->Reserved = 0;
1690 pScsiTm->TaskType = type;
1691 pScsiTm->Reserved1 = 0;
1692 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1693 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1694
1695 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1696
1697 for (ii=0; ii < 7; ii++)
1698 pScsiTm->Reserved2[ii] = 0;
1699
1700 pScsiTm->TaskMsgContext = ctx2abort;
1701
1702 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IssueTaskMgmt: ctx2abort (0x%08x) "
1703 "type=%d\n", ioc->name, ctx2abort, type));
1704
1705 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
1706
1707 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1708 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1709 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
1710 else {
1711 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1712 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1713 if (retval) {
1714 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "send_handshake FAILED!"
1715 " (hd %p, ioc %p, mf %p, rc=%d) \n", ioc->name, hd,
1716 ioc, mf, retval));
1717 goto fail_out;
1718 }
1719 }
1720
1721 if(mptscsih_tm_wait_for_completion(hd, timeout) == FAILED) {
1722 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "task management request TIMED OUT!"
1723 " (hd %p, ioc %p, mf %p) \n", ioc->name, hd,
1724 ioc, mf));
1725 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling HardReset! \n",
1726 ioc->name));
1727 retval = mpt_HardResetHandler(ioc, CAN_SLEEP);
1728 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rc=%d \n",
1729 ioc->name, retval));
1730 goto fail_out;
1731 }
1732
1733 /*
1734 * Handle success case, see if theres a non-zero ioc_status.
1735 */
1736 if (hd->tm_iocstatus == MPI_IOCSTATUS_SUCCESS ||
1737 hd->tm_iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
1738 hd->tm_iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
1739 retval = 0;
1740 else
1741 retval = FAILED;
1742
1743 return retval;
1744
1745 fail_out:
1746
1747 /*
1748 * Free task management mf, and corresponding tm flags
1749 */
1750 mpt_free_msg_frame(ioc, mf);
1751 hd->tmPending = 0;
1752 hd->tmState = TM_STATE_NONE;
1753 return FAILED;
1754 }
1755
1756 static int
1757 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1758 {
1759 switch (ioc->bus_type) {
1760 case FC:
1761 return 40;
1762 case SAS:
1763 case SPI:
1764 default:
1765 return 10;
1766 }
1767 }
1768
1769 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1770 /**
1771 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1772 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1773 *
1774 * (linux scsi_host_template.eh_abort_handler routine)
1775 *
1776 * Returns SUCCESS or FAILED.
1777 **/
1778 int
1779 mptscsih_abort(struct scsi_cmnd * SCpnt)
1780 {
1781 MPT_SCSI_HOST *hd;
1782 MPT_FRAME_HDR *mf;
1783 u32 ctx2abort;
1784 int scpnt_idx;
1785 int retval;
1786 VirtDevice *vdevice;
1787 ulong sn = SCpnt->serial_number;
1788 MPT_ADAPTER *ioc;
1789
1790 /* If we can't locate our host adapter structure, return FAILED status.
1791 */
1792 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
1793 SCpnt->result = DID_RESET << 16;
1794 SCpnt->scsi_done(SCpnt);
1795 printk(KERN_ERR MYNAM ": task abort: "
1796 "can't locate host! (sc=%p)\n", SCpnt);
1797 return FAILED;
1798 }
1799
1800 ioc = hd->ioc;
1801 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1802 ioc->name, SCpnt);
1803 scsi_print_command(SCpnt);
1804
1805 vdevice = SCpnt->device->hostdata;
1806 if (!vdevice || !vdevice->vtarget) {
1807 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1808 "task abort: device has been deleted (sc=%p)\n",
1809 ioc->name, SCpnt));
1810 SCpnt->result = DID_NO_CONNECT << 16;
1811 SCpnt->scsi_done(SCpnt);
1812 retval = 0;
1813 goto out;
1814 }
1815
1816 /* Task aborts are not supported for hidden raid components.
1817 */
1818 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1819 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1820 "task abort: hidden raid component (sc=%p)\n",
1821 ioc->name, SCpnt));
1822 SCpnt->result = DID_RESET << 16;
1823 retval = FAILED;
1824 goto out;
1825 }
1826
1827 /* Find this command
1828 */
1829 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1830 /* Cmd not found in ScsiLookup.
1831 * Do OS callback.
1832 */
1833 SCpnt->result = DID_RESET << 16;
1834 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
1835 "Command not in the active list! (sc=%p)\n", ioc->name,
1836 SCpnt));
1837 retval = 0;
1838 goto out;
1839 }
1840
1841 if (hd->resetPending) {
1842 retval = FAILED;
1843 goto out;
1844 }
1845
1846 if (hd->timeouts < -1)
1847 hd->timeouts++;
1848
1849 if (mpt_fwfault_debug)
1850 mpt_halt_firmware(ioc);
1851
1852 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1853 * (the IO to be ABORT'd)
1854 *
1855 * NOTE: Since we do not byteswap MsgContext, we do not
1856 * swap it here either. It is an opaque cookie to
1857 * the controller, so it does not matter. -DaveM
1858 */
1859 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1860 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1861
1862 hd->abortSCpnt = SCpnt;
1863
1864 retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1865 vdevice->vtarget->channel, vdevice->vtarget->id, vdevice->lun,
1866 ctx2abort, mptscsih_get_tm_timeout(ioc));
1867
1868 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx &&
1869 SCpnt->serial_number == sn)
1870 retval = FAILED;
1871
1872 out:
1873 printk(MYIOC_s_INFO_FMT "task abort: %s (sc=%p)\n",
1874 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1875
1876 if (retval == 0)
1877 return SUCCESS;
1878 else
1879 return FAILED;
1880 }
1881
1882 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1883 /**
1884 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1885 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1886 *
1887 * (linux scsi_host_template.eh_dev_reset_handler routine)
1888 *
1889 * Returns SUCCESS or FAILED.
1890 **/
1891 int
1892 mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1893 {
1894 MPT_SCSI_HOST *hd;
1895 int retval;
1896 VirtDevice *vdevice;
1897 MPT_ADAPTER *ioc;
1898
1899 /* If we can't locate our host adapter structure, return FAILED status.
1900 */
1901 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1902 printk(KERN_ERR MYNAM ": target reset: "
1903 "Can't locate host! (sc=%p)\n", SCpnt);
1904 return FAILED;
1905 }
1906
1907 ioc = hd->ioc;
1908 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1909 ioc->name, SCpnt);
1910 scsi_print_command(SCpnt);
1911
1912 if (hd->resetPending) {
1913 retval = FAILED;
1914 goto out;
1915 }
1916
1917 vdevice = SCpnt->device->hostdata;
1918 if (!vdevice || !vdevice->vtarget) {
1919 retval = 0;
1920 goto out;
1921 }
1922
1923 /* Target reset to hidden raid component is not supported
1924 */
1925 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1926 retval = FAILED;
1927 goto out;
1928 }
1929
1930 retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1931 vdevice->vtarget->channel, vdevice->vtarget->id, 0, 0,
1932 mptscsih_get_tm_timeout(ioc));
1933
1934 out:
1935 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1936 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1937
1938 if (retval == 0)
1939 return SUCCESS;
1940 else
1941 return FAILED;
1942 }
1943
1944
1945 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1946 /**
1947 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1948 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1949 *
1950 * (linux scsi_host_template.eh_bus_reset_handler routine)
1951 *
1952 * Returns SUCCESS or FAILED.
1953 **/
1954 int
1955 mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1956 {
1957 MPT_SCSI_HOST *hd;
1958 int retval;
1959 VirtDevice *vdevice;
1960 MPT_ADAPTER *ioc;
1961
1962 /* If we can't locate our host adapter structure, return FAILED status.
1963 */
1964 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1965 printk(KERN_ERR MYNAM ": bus reset: "
1966 "Can't locate host! (sc=%p)\n", SCpnt);
1967 return FAILED;
1968 }
1969
1970 ioc = hd->ioc;
1971 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1972 ioc->name, SCpnt);
1973 scsi_print_command(SCpnt);
1974
1975 if (hd->timeouts < -1)
1976 hd->timeouts++;
1977
1978 vdevice = SCpnt->device->hostdata;
1979 retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1980 vdevice->vtarget->channel, 0, 0, 0, mptscsih_get_tm_timeout(ioc));
1981
1982 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1983 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1984
1985 if (retval == 0)
1986 return SUCCESS;
1987 else
1988 return FAILED;
1989 }
1990
1991 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1992 /**
1993 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1994 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1995 *
1996 * (linux scsi_host_template.eh_host_reset_handler routine)
1997 *
1998 * Returns SUCCESS or FAILED.
1999 */
2000 int
2001 mptscsih_host_reset(struct scsi_cmnd *SCpnt)
2002 {
2003 MPT_SCSI_HOST * hd;
2004 int retval;
2005 MPT_ADAPTER *ioc;
2006
2007 /* If we can't locate the host to reset, then we failed. */
2008 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
2009 printk(KERN_ERR MYNAM ": host reset: "
2010 "Can't locate host! (sc=%p)\n", SCpnt);
2011 return FAILED;
2012 }
2013
2014 /* make sure we have no outstanding commands at this stage */
2015 mptscsih_flush_running_cmds(hd);
2016
2017 ioc = hd->ioc;
2018 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
2019 ioc->name, SCpnt);
2020
2021 /* If our attempts to reset the host failed, then return a failed
2022 * status. The host will be taken off line by the SCSI mid-layer.
2023 */
2024 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0) {
2025 retval = FAILED;
2026 } else {
2027 /* Make sure TM pending is cleared and TM state is set to
2028 * NONE.
2029 */
2030 retval = 0;
2031 hd->tmPending = 0;
2032 hd->tmState = TM_STATE_NONE;
2033 }
2034
2035 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
2036 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
2037
2038 return retval;
2039 }
2040
2041 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2042 /**
2043 * mptscsih_tm_pending_wait - wait for pending task management request to complete
2044 * @hd: Pointer to MPT host structure.
2045 *
2046 * Returns {SUCCESS,FAILED}.
2047 */
2048 static int
2049 mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd)
2050 {
2051 unsigned long flags;
2052 int loop_count = 4 * 10; /* Wait 10 seconds */
2053 int status = FAILED;
2054 MPT_ADAPTER *ioc = hd->ioc;
2055
2056 do {
2057 spin_lock_irqsave(&ioc->FreeQlock, flags);
2058 if (hd->tmState == TM_STATE_NONE) {
2059 hd->tmState = TM_STATE_IN_PROGRESS;
2060 hd->tmPending = 1;
2061 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
2062 status = SUCCESS;
2063 break;
2064 }
2065 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
2066 msleep(250);
2067 } while (--loop_count);
2068
2069 return status;
2070 }
2071
2072 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2073 /**
2074 * mptscsih_tm_wait_for_completion - wait for completion of TM task
2075 * @hd: Pointer to MPT host structure.
2076 * @timeout: timeout value
2077 *
2078 * Returns {SUCCESS,FAILED}.
2079 */
2080 static int
2081 mptscsih_tm_wait_for_completion(MPT_SCSI_HOST * hd, ulong timeout )
2082 {
2083 unsigned long flags;
2084 int loop_count = 4 * timeout;
2085 int status = FAILED;
2086 MPT_ADAPTER *ioc = hd->ioc;
2087
2088 do {
2089 spin_lock_irqsave(&ioc->FreeQlock, flags);
2090 if(hd->tmPending == 0) {
2091 status = SUCCESS;
2092 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
2093 break;
2094 }
2095 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
2096 msleep(250);
2097 } while (--loop_count);
2098
2099 return status;
2100 }
2101
2102 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2103 static void
2104 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2105 {
2106 char *desc;
2107
2108 switch (response_code) {
2109 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2110 desc = "The task completed.";
2111 break;
2112 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2113 desc = "The IOC received an invalid frame status.";
2114 break;
2115 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2116 desc = "The task type is not supported.";
2117 break;
2118 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2119 desc = "The requested task failed.";
2120 break;
2121 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2122 desc = "The task completed successfully.";
2123 break;
2124 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2125 desc = "The LUN request is invalid.";
2126 break;
2127 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2128 desc = "The task is in the IOC queue and has not been sent to target.";
2129 break;
2130 default:
2131 desc = "unknown";
2132 break;
2133 }
2134 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2135 ioc->name, response_code, desc);
2136 }
2137
2138 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2139 /**
2140 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2141 * @ioc: Pointer to MPT_ADAPTER structure
2142 * @mf: Pointer to SCSI task mgmt request frame
2143 * @mr: Pointer to SCSI task mgmt reply frame
2144 *
2145 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2146 * of any SCSI task management request.
2147 * This routine is registered with the MPT (base) driver at driver
2148 * load/init time via the mpt_register() API call.
2149 *
2150 * Returns 1 indicating alloc'd request frame ptr should be freed.
2151 **/
2152 int
2153 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
2154 {
2155 SCSITaskMgmtReply_t *pScsiTmReply;
2156 SCSITaskMgmt_t *pScsiTmReq;
2157 MPT_SCSI_HOST *hd;
2158 unsigned long flags;
2159 u16 iocstatus;
2160 u8 tmType;
2161 u32 termination_count;
2162
2163 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt completed (mf=%p,mr=%p)\n",
2164 ioc->name, mf, mr));
2165 if (!ioc->sh) {
2166 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT
2167 "TaskMgmt Complete: NULL Scsi Host Ptr\n", ioc->name));
2168 return 1;
2169 }
2170
2171 if (mr == NULL) {
2172 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT
2173 "ERROR! TaskMgmt Reply: NULL Request %p\n", ioc->name, mf));
2174 return 1;
2175 }
2176
2177 hd = shost_priv(ioc->sh);
2178 pScsiTmReply = (SCSITaskMgmtReply_t*)mr;
2179 pScsiTmReq = (SCSITaskMgmt_t*)mf;
2180 tmType = pScsiTmReq->TaskType;
2181 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2182 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
2183
2184 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
2185 pScsiTmReply->ResponseCode)
2186 mptscsih_taskmgmt_response_code(ioc,
2187 pScsiTmReply->ResponseCode);
2188 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
2189
2190 #ifdef CONFIG_FUSION_LOGGING
2191 if ((ioc->debug_level & MPT_DEBUG_REPLY) ||
2192 (ioc->debug_level & MPT_DEBUG_TM ))
2193 printk("%s: ha=%d [%d:%d:0] task_type=0x%02X "
2194 "iocstatus=0x%04X\n\tloginfo=0x%08X response_code=0x%02X "
2195 "term_cmnds=%d\n", __func__, ioc->id, pScsiTmReply->Bus,
2196 pScsiTmReply->TargetID, pScsiTmReq->TaskType,
2197 le16_to_cpu(pScsiTmReply->IOCStatus),
2198 le32_to_cpu(pScsiTmReply->IOCLogInfo),pScsiTmReply->ResponseCode,
2199 le32_to_cpu(pScsiTmReply->TerminationCount));
2200 #endif
2201 if (!iocstatus) {
2202 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT " TaskMgmt SUCCESS\n", ioc->name));
2203 hd->abortSCpnt = NULL;
2204 goto out;
2205 }
2206
2207 /* Error? (anything non-zero?) */
2208
2209 /* clear flags and continue.
2210 */
2211 switch (tmType) {
2212
2213 case MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
2214 if (termination_count == 1)
2215 iocstatus = MPI_IOCSTATUS_SCSI_TASK_TERMINATED;
2216 hd->abortSCpnt = NULL;
2217 break;
2218
2219 case MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS:
2220
2221 /* If an internal command is present
2222 * or the TM failed - reload the FW.
2223 * FC FW may respond FAILED to an ABORT
2224 */
2225 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED ||
2226 hd->cmdPtr)
2227 if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0)
2228 printk(MYIOC_s_WARN_FMT " Firmware Reload FAILED!!\n", ioc->name);
2229 break;
2230
2231 case MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
2232 default:
2233 break;
2234 }
2235
2236 out:
2237 spin_lock_irqsave(&ioc->FreeQlock, flags);
2238 hd->tmPending = 0;
2239 hd->tmState = TM_STATE_NONE;
2240 hd->tm_iocstatus = iocstatus;
2241 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
2242
2243 return 1;
2244 }
2245
2246 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2247 /*
2248 * This is anyones guess quite frankly.
2249 */
2250 int
2251 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2252 sector_t capacity, int geom[])
2253 {
2254 int heads;
2255 int sectors;
2256 sector_t cylinders;
2257 ulong dummy;
2258
2259 heads = 64;
2260 sectors = 32;
2261
2262 dummy = heads * sectors;
2263 cylinders = capacity;
2264 sector_div(cylinders,dummy);
2265
2266 /*
2267 * Handle extended translation size for logical drives
2268 * > 1Gb
2269 */
2270 if ((ulong)capacity >= 0x200000) {
2271 heads = 255;
2272 sectors = 63;
2273 dummy = heads * sectors;
2274 cylinders = capacity;
2275 sector_div(cylinders,dummy);
2276 }
2277
2278 /* return result */
2279 geom[0] = heads;
2280 geom[1] = sectors;
2281 geom[2] = cylinders;
2282
2283 return 0;
2284 }
2285
2286 /* Search IOC page 3 to determine if this is hidden physical disk
2287 *
2288 */
2289 int
2290 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2291 {
2292 struct inactive_raid_component_info *component_info;
2293 int i;
2294 int rc = 0;
2295
2296 if (!ioc->raid_data.pIocPg3)
2297 goto out;
2298 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2299 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2300 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2301 rc = 1;
2302 goto out;
2303 }
2304 }
2305
2306 /*
2307 * Check inactive list for matching phys disks
2308 */
2309 if (list_empty(&ioc->raid_data.inactive_list))
2310 goto out;
2311
2312 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2313 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2314 list) {
2315 if ((component_info->d.PhysDiskID == id) &&
2316 (component_info->d.PhysDiskBus == channel))
2317 rc = 1;
2318 }
2319 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2320
2321 out:
2322 return rc;
2323 }
2324 EXPORT_SYMBOL(mptscsih_is_phys_disk);
2325
2326 u8
2327 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2328 {
2329 struct inactive_raid_component_info *component_info;
2330 int i;
2331 int rc = -ENXIO;
2332
2333 if (!ioc->raid_data.pIocPg3)
2334 goto out;
2335 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2336 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2337 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2338 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2339 goto out;
2340 }
2341 }
2342
2343 /*
2344 * Check inactive list for matching phys disks
2345 */
2346 if (list_empty(&ioc->raid_data.inactive_list))
2347 goto out;
2348
2349 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2350 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2351 list) {
2352 if ((component_info->d.PhysDiskID == id) &&
2353 (component_info->d.PhysDiskBus == channel))
2354 rc = component_info->d.PhysDiskNum;
2355 }
2356 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2357
2358 out:
2359 return rc;
2360 }
2361 EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2362
2363 /*
2364 * OS entry point to allow for host driver to free allocated memory
2365 * Called if no device present or device being unloaded
2366 */
2367 void
2368 mptscsih_slave_destroy(struct scsi_device *sdev)
2369 {
2370 struct Scsi_Host *host = sdev->host;
2371 MPT_SCSI_HOST *hd = shost_priv(host);
2372 VirtTarget *vtarget;
2373 VirtDevice *vdevice;
2374 struct scsi_target *starget;
2375
2376 starget = scsi_target(sdev);
2377 vtarget = starget->hostdata;
2378 vdevice = sdev->hostdata;
2379
2380 mptscsih_search_running_cmds(hd, vdevice);
2381 vtarget->num_luns--;
2382 mptscsih_synchronize_cache(hd, vdevice);
2383 kfree(vdevice);
2384 sdev->hostdata = NULL;
2385 }
2386
2387 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2388 /*
2389 * mptscsih_change_queue_depth - This function will set a devices queue depth
2390 * @sdev: per scsi_device pointer
2391 * @qdepth: requested queue depth
2392 *
2393 * Adding support for new 'change_queue_depth' api.
2394 */
2395 int
2396 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
2397 {
2398 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2399 VirtTarget *vtarget;
2400 struct scsi_target *starget;
2401 int max_depth;
2402 int tagged;
2403 MPT_ADAPTER *ioc = hd->ioc;
2404
2405 starget = scsi_target(sdev);
2406 vtarget = starget->hostdata;
2407
2408 if (ioc->bus_type == SPI) {
2409 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2410 max_depth = 1;
2411 else if (sdev->type == TYPE_DISK &&
2412 vtarget->minSyncFactor <= MPT_ULTRA160)
2413 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2414 else
2415 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2416 } else
2417 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2418
2419 if (qdepth > max_depth)
2420 qdepth = max_depth;
2421 if (qdepth == 1)
2422 tagged = 0;
2423 else
2424 tagged = MSG_SIMPLE_TAG;
2425
2426 scsi_adjust_queue_depth(sdev, tagged, qdepth);
2427 return sdev->queue_depth;
2428 }
2429
2430 /*
2431 * OS entry point to adjust the queue_depths on a per-device basis.
2432 * Called once per device the bus scan. Use it to force the queue_depth
2433 * member to 1 if a device does not support Q tags.
2434 * Return non-zero if fails.
2435 */
2436 int
2437 mptscsih_slave_configure(struct scsi_device *sdev)
2438 {
2439 struct Scsi_Host *sh = sdev->host;
2440 VirtTarget *vtarget;
2441 VirtDevice *vdevice;
2442 struct scsi_target *starget;
2443 MPT_SCSI_HOST *hd = shost_priv(sh);
2444 MPT_ADAPTER *ioc = hd->ioc;
2445
2446 starget = scsi_target(sdev);
2447 vtarget = starget->hostdata;
2448 vdevice = sdev->hostdata;
2449
2450 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2451 "device @ %p, channel=%d, id=%d, lun=%d\n",
2452 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2453 if (ioc->bus_type == SPI)
2454 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2455 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2456 ioc->name, sdev->sdtr, sdev->wdtr,
2457 sdev->ppr, sdev->inquiry_len));
2458
2459 vdevice->configured_lun = 1;
2460 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
2461
2462 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2463 "Queue depth=%d, tflags=%x\n",
2464 ioc->name, sdev->queue_depth, vtarget->tflags));
2465
2466 if (ioc->bus_type == SPI)
2467 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2468 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2469 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2470 vtarget->minSyncFactor));
2471
2472 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2473 "tagged %d, simple %d, ordered %d\n",
2474 ioc->name,sdev->tagged_supported, sdev->simple_tags,
2475 sdev->ordered_tags));
2476
2477 return 0;
2478 }
2479
2480 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2481 /*
2482 * Private routines...
2483 */
2484
2485 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2486 /* Utility function to copy sense data from the scsi_cmnd buffer
2487 * to the FC and SCSI target structures.
2488 *
2489 */
2490 static void
2491 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2492 {
2493 VirtDevice *vdevice;
2494 SCSIIORequest_t *pReq;
2495 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2496 MPT_ADAPTER *ioc = hd->ioc;
2497
2498 /* Get target structure
2499 */
2500 pReq = (SCSIIORequest_t *) mf;
2501 vdevice = sc->device->hostdata;
2502
2503 if (sense_count) {
2504 u8 *sense_data;
2505 int req_index;
2506
2507 /* Copy the sense received into the scsi command block. */
2508 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2509 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2510 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2511
2512 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2513 */
2514 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2515 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2516 int idx;
2517
2518 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2519 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2520 ioc->events[idx].eventContext = ioc->eventContext;
2521
2522 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2523 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2524 (sc->device->channel << 8) | sc->device->id;
2525
2526 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2527
2528 ioc->eventContext++;
2529 if (ioc->pcidev->vendor ==
2530 PCI_VENDOR_ID_IBM) {
2531 mptscsih_issue_sep_command(ioc,
2532 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2533 vdevice->vtarget->tflags |=
2534 MPT_TARGET_FLAGS_LED_ON;
2535 }
2536 }
2537 }
2538 } else {
2539 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2540 ioc->name));
2541 }
2542 }
2543
2544 /**
2545 * mptscsih_get_scsi_lookup
2546 * @ioc: Pointer to MPT_ADAPTER structure
2547 * @i: index into the array
2548 *
2549 * retrieves scmd entry from ScsiLookup[] array list
2550 *
2551 * Returns the scsi_cmd pointer
2552 **/
2553 static struct scsi_cmnd *
2554 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2555 {
2556 unsigned long flags;
2557 struct scsi_cmnd *scmd;
2558
2559 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2560 scmd = ioc->ScsiLookup[i];
2561 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2562
2563 return scmd;
2564 }
2565
2566 /**
2567 * mptscsih_getclear_scsi_lookup
2568 * @ioc: Pointer to MPT_ADAPTER structure
2569 * @i: index into the array
2570 *
2571 * retrieves and clears scmd entry from ScsiLookup[] array list
2572 *
2573 * Returns the scsi_cmd pointer
2574 **/
2575 static struct scsi_cmnd *
2576 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2577 {
2578 unsigned long flags;
2579 struct scsi_cmnd *scmd;
2580
2581 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2582 scmd = ioc->ScsiLookup[i];
2583 ioc->ScsiLookup[i] = NULL;
2584 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2585
2586 return scmd;
2587 }
2588
2589 /**
2590 * mptscsih_set_scsi_lookup
2591 *
2592 * writes a scmd entry into the ScsiLookup[] array list
2593 *
2594 * @ioc: Pointer to MPT_ADAPTER structure
2595 * @i: index into the array
2596 * @scmd: scsi_cmnd pointer
2597 *
2598 **/
2599 static void
2600 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2601 {
2602 unsigned long flags;
2603
2604 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2605 ioc->ScsiLookup[i] = scmd;
2606 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2607 }
2608
2609 /**
2610 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2611 * @ioc: Pointer to MPT_ADAPTER structure
2612 * @sc: scsi_cmnd pointer
2613 */
2614 static int
2615 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2616 {
2617 unsigned long flags;
2618 int i, index=-1;
2619
2620 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2621 for (i = 0; i < ioc->req_depth; i++) {
2622 if (ioc->ScsiLookup[i] == sc) {
2623 index = i;
2624 goto out;
2625 }
2626 }
2627
2628 out:
2629 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2630 return index;
2631 }
2632
2633 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2634 int
2635 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2636 {
2637 MPT_SCSI_HOST *hd;
2638 unsigned long flags;
2639
2640 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2641 ": IOC %s_reset routed to SCSI host driver!\n",
2642 ioc->name, reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
2643 reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
2644
2645 /* If a FW reload request arrives after base installed but
2646 * before all scsi hosts have been attached, then an alt_ioc
2647 * may have a NULL sh pointer.
2648 */
2649 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2650 return 0;
2651 else
2652 hd = shost_priv(ioc->sh);
2653
2654 if (reset_phase == MPT_IOC_SETUP_RESET) {
2655 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Setup-Diag Reset\n", ioc->name));
2656
2657 /* Clean Up:
2658 * 1. Set Hard Reset Pending Flag
2659 * All new commands go to doneQ
2660 */
2661 hd->resetPending = 1;
2662
2663 } else if (reset_phase == MPT_IOC_PRE_RESET) {
2664 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Pre-Diag Reset\n", ioc->name));
2665
2666 /* 2. Flush running commands
2667 * Clean ScsiLookup (and associated memory)
2668 * AND clean mytaskQ
2669 */
2670
2671 /* 2b. Reply to OS all known outstanding I/O commands.
2672 */
2673 mptscsih_flush_running_cmds(hd);
2674
2675 /* 2c. If there was an internal command that
2676 * has not completed, configuration or io request,
2677 * free these resources.
2678 */
2679 if (hd->cmdPtr) {
2680 del_timer(&hd->timer);
2681 mpt_free_msg_frame(ioc, hd->cmdPtr);
2682 }
2683
2684 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Pre-Reset complete.\n", ioc->name));
2685
2686 } else {
2687 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Post-Diag Reset\n", ioc->name));
2688
2689 /* Once a FW reload begins, all new OS commands are
2690 * redirected to the doneQ w/ a reset status.
2691 * Init all control structures.
2692 */
2693
2694 /* 2. Chain Buffer initialization
2695 */
2696
2697 /* 4. Renegotiate to all devices, if SPI
2698 */
2699
2700 /* 5. Enable new commands to be posted
2701 */
2702 spin_lock_irqsave(&ioc->FreeQlock, flags);
2703 hd->tmPending = 0;
2704 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
2705 hd->resetPending = 0;
2706 hd->tmState = TM_STATE_NONE;
2707
2708 /* 6. If there was an internal command,
2709 * wake this process up.
2710 */
2711 if (hd->cmdPtr) {
2712 /*
2713 * Wake up the original calling thread
2714 */
2715 hd->pLocal = &hd->localReply;
2716 hd->pLocal->completion = MPT_SCANDV_DID_RESET;
2717 hd->scandv_wait_done = 1;
2718 wake_up(&hd->scandv_waitq);
2719 hd->cmdPtr = NULL;
2720 }
2721
2722 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Post-Reset complete.\n", ioc->name));
2723
2724 }
2725
2726 return 1; /* currently means nothing really */
2727 }
2728
2729 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2730 int
2731 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2732 {
2733 MPT_SCSI_HOST *hd;
2734 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2735
2736 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
2737 ioc->name, event));
2738
2739 if (ioc->sh == NULL ||
2740 ((hd = shost_priv(ioc->sh)) == NULL))
2741 return 1;
2742
2743 switch (event) {
2744 case MPI_EVENT_UNIT_ATTENTION: /* 03 */
2745 /* FIXME! */
2746 break;
2747 case MPI_EVENT_IOC_BUS_RESET: /* 04 */
2748 case MPI_EVENT_EXT_BUS_RESET: /* 05 */
2749 if (hd && (ioc->bus_type == SPI) && (hd->soft_resets < -1))
2750 hd->soft_resets++;
2751 break;
2752 case MPI_EVENT_LOGOUT: /* 09 */
2753 /* FIXME! */
2754 break;
2755
2756 case MPI_EVENT_RESCAN: /* 06 */
2757 break;
2758
2759 /*
2760 * CHECKME! Don't think we need to do
2761 * anything for these, but...
2762 */
2763 case MPI_EVENT_LINK_STATUS_CHANGE: /* 07 */
2764 case MPI_EVENT_LOOP_STATE_CHANGE: /* 08 */
2765 /*
2766 * CHECKME! Falling thru...
2767 */
2768 break;
2769
2770 case MPI_EVENT_INTEGRATED_RAID: /* 0B */
2771 break;
2772
2773 case MPI_EVENT_NONE: /* 00 */
2774 case MPI_EVENT_LOG_DATA: /* 01 */
2775 case MPI_EVENT_STATE_CHANGE: /* 02 */
2776 case MPI_EVENT_EVENT_CHANGE: /* 0A */
2777 default:
2778 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": Ignoring event (=%02Xh)\n",
2779 ioc->name, event));
2780 break;
2781 }
2782
2783 return 1; /* currently means nothing really */
2784 }
2785
2786 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2787 /*
2788 * Bus Scan and Domain Validation functionality ...
2789 */
2790
2791 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2792 /*
2793 * mptscsih_scandv_complete - Scan and DV callback routine registered
2794 * to Fustion MPT (base) driver.
2795 *
2796 * @ioc: Pointer to MPT_ADAPTER structure
2797 * @mf: Pointer to original MPT request frame
2798 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2799 *
2800 * This routine is called from mpt.c::mpt_interrupt() at the completion
2801 * of any SCSI IO request.
2802 * This routine is registered with the Fusion MPT (base) driver at driver
2803 * load/init time via the mpt_register() API call.
2804 *
2805 * Returns 1 indicating alloc'd request frame ptr should be freed.
2806 *
2807 * Remark: Sets a completion code and (possibly) saves sense data
2808 * in the IOC member localReply structure.
2809 * Used ONLY for DV and other internal commands.
2810 */
2811 int
2812 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
2813 {
2814 MPT_SCSI_HOST *hd;
2815 SCSIIORequest_t *pReq;
2816 int completionCode;
2817 u16 req_idx;
2818
2819 hd = shost_priv(ioc->sh);
2820
2821 if ((mf == NULL) ||
2822 (mf >= MPT_INDEX_2_MFPTR(ioc, ioc->req_depth))) {
2823 printk(MYIOC_s_ERR_FMT
2824 "ScanDvComplete, %s req frame ptr! (=%p)\n",
2825 ioc->name, mf?"BAD":"NULL", (void *) mf);
2826 goto wakeup;
2827 }
2828
2829 del_timer(&hd->timer);
2830 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2831 mptscsih_set_scsi_lookup(ioc, req_idx, NULL);
2832 pReq = (SCSIIORequest_t *) mf;
2833
2834 if (mf != hd->cmdPtr) {
2835 printk(MYIOC_s_WARN_FMT "ScanDvComplete (mf=%p, cmdPtr=%p, idx=%d)\n",
2836 ioc->name, (void *)mf, (void *) hd->cmdPtr, req_idx);
2837 }
2838 hd->cmdPtr = NULL;
2839
2840 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScanDvComplete (mf=%p,mr=%p,idx=%d)\n",
2841 ioc->name, mf, mr, req_idx));
2842
2843 hd->pLocal = &hd->localReply;
2844 hd->pLocal->scsiStatus = 0;
2845
2846 /* If target struct exists, clear sense valid flag.
2847 */
2848 if (mr == NULL) {
2849 completionCode = MPT_SCANDV_GOOD;
2850 } else {
2851 SCSIIOReply_t *pReply;
2852 u16 status;
2853 u8 scsi_status;
2854
2855 pReply = (SCSIIOReply_t *) mr;
2856
2857 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2858 scsi_status = pReply->SCSIStatus;
2859
2860
2861 switch(status) {
2862
2863 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2864 completionCode = MPT_SCANDV_SELECTION_TIMEOUT;
2865 break;
2866
2867 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2868 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2869 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2870 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2871 completionCode = MPT_SCANDV_DID_RESET;
2872 break;
2873
2874 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2875 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2876 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2877 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2878 ConfigReply_t *pr = (ConfigReply_t *)mr;
2879 completionCode = MPT_SCANDV_GOOD;
2880 hd->pLocal->header.PageVersion = pr->Header.PageVersion;
2881 hd->pLocal->header.PageLength = pr->Header.PageLength;
2882 hd->pLocal->header.PageNumber = pr->Header.PageNumber;
2883 hd->pLocal->header.PageType = pr->Header.PageType;
2884
2885 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2886 /* If the RAID Volume request is successful,
2887 * return GOOD, else indicate that
2888 * some type of error occurred.
2889 */
2890 MpiRaidActionReply_t *pr = (MpiRaidActionReply_t *)mr;
2891 if (le16_to_cpu(pr->ActionStatus) == MPI_RAID_ACTION_ASTATUS_SUCCESS)
2892 completionCode = MPT_SCANDV_GOOD;
2893 else
2894 completionCode = MPT_SCANDV_SOME_ERROR;
2895 memcpy(hd->pLocal->sense, pr, sizeof(hd->pLocal->sense));
2896
2897 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
2898 u8 *sense_data;
2899 int sz;
2900
2901 /* save sense data in global structure
2902 */
2903 completionCode = MPT_SCANDV_SENSE;
2904 hd->pLocal->scsiStatus = scsi_status;
2905 sense_data = ((u8 *)ioc->sense_buf_pool +
2906 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2907
2908 sz = min_t(int, pReq->SenseBufferLength,
2909 SCSI_STD_SENSE_BYTES);
2910 memcpy(hd->pLocal->sense, sense_data, sz);
2911
2912 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Check Condition, sense ptr %p\n",
2913 ioc->name, sense_data));
2914 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2915 if (pReq->CDB[0] == INQUIRY)
2916 completionCode = MPT_SCANDV_ISSUE_SENSE;
2917 else
2918 completionCode = MPT_SCANDV_DID_RESET;
2919 }
2920 else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2921 completionCode = MPT_SCANDV_DID_RESET;
2922 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2923 completionCode = MPT_SCANDV_DID_RESET;
2924 else {
2925 completionCode = MPT_SCANDV_GOOD;
2926 hd->pLocal->scsiStatus = scsi_status;
2927 }
2928 break;
2929
2930 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2931 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2932 completionCode = MPT_SCANDV_DID_RESET;
2933 else
2934 completionCode = MPT_SCANDV_SOME_ERROR;
2935 break;
2936
2937 default:
2938 completionCode = MPT_SCANDV_SOME_ERROR;
2939 break;
2940
2941 } /* switch(status) */
2942
2943 } /* end of address reply case */
2944
2945 hd->pLocal->completion = completionCode;
2946
2947 /* MF and RF are freed in mpt_interrupt
2948 */
2949 wakeup:
2950 /* Free Chain buffers (will never chain) in scan or dv */
2951 //mptscsih_freeChainBuffers(ioc, req_idx);
2952
2953 /*
2954 * Wake up the original calling thread
2955 */
2956 hd->scandv_wait_done = 1;
2957 wake_up(&hd->scandv_waitq);
2958
2959 return 1;
2960 }
2961
2962 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2963 /* mptscsih_timer_expired - Call back for timer process.
2964 * Used only for dv functionality.
2965 * @data: Pointer to MPT_SCSI_HOST recast as an unsigned long
2966 *
2967 */
2968 void
2969 mptscsih_timer_expired(unsigned long data)
2970 {
2971 MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *) data;
2972 MPT_ADAPTER *ioc = hd->ioc;
2973
2974 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Timer Expired! Cmd %p\n", ioc->name, hd->cmdPtr));
2975
2976 if (hd->cmdPtr) {
2977 MPIHeader_t *cmd = (MPIHeader_t *)hd->cmdPtr;
2978
2979 if (cmd->Function == MPI_FUNCTION_SCSI_IO_REQUEST) {
2980 /* Desire to issue a task management request here.
2981 * TM requests MUST be single threaded.
2982 * If old eh code and no TM current, issue request.
2983 * If new eh code, do nothing. Wait for OS cmd timeout
2984 * for bus reset.
2985 */
2986 } else {
2987 /* Perform a FW reload */
2988 if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0) {
2989 printk(MYIOC_s_WARN_FMT "Firmware Reload FAILED!\n", ioc->name);
2990 }
2991 }
2992 } else {
2993 /* This should NEVER happen */
2994 printk(MYIOC_s_WARN_FMT "Null cmdPtr!!!!\n", ioc->name);
2995 }
2996
2997 /* No more processing.
2998 * TM call will generate an interrupt for SCSI TM Management.
2999 * The FW will reply to all outstanding commands, callback will finish cleanup.
3000 * Hard reset clean-up will free all resources.
3001 */
3002 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Timer Expired Complete!\n", ioc->name));
3003
3004 return;
3005 }
3006
3007
3008 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3009 /**
3010 * mptscsih_do_cmd - Do internal command.
3011 * @hd: MPT_SCSI_HOST pointer
3012 * @io: INTERNAL_CMD pointer.
3013 *
3014 * Issue the specified internally generated command and do command
3015 * specific cleanup. For bus scan / DV only.
3016 * NOTES: If command is Inquiry and status is good,
3017 * initialize a target structure, save the data
3018 *
3019 * Remark: Single threaded access only.
3020 *
3021 * Return:
3022 * < 0 if an illegal command or no resources
3023 *
3024 * 0 if good
3025 *
3026 * > 0 if command complete but some type of completion error.
3027 */
3028 static int
3029 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
3030 {
3031 MPT_FRAME_HDR *mf;
3032 SCSIIORequest_t *pScsiReq;
3033 SCSIIORequest_t ReqCopy;
3034 int my_idx, ii, dir;
3035 int rc, cmdTimeout;
3036 int in_isr;
3037 char cmdLen;
3038 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
3039 char cmd = io->cmd;
3040 MPT_ADAPTER *ioc = hd->ioc;
3041
3042 in_isr = in_interrupt();
3043 if (in_isr) {
3044 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Internal SCSI IO request not allowed in ISR context!\n",
3045 ioc->name));
3046 return -EPERM;
3047 }
3048
3049
3050 /* Set command specific information
3051 */
3052 switch (cmd) {
3053 case INQUIRY:
3054 cmdLen = 6;
3055 dir = MPI_SCSIIO_CONTROL_READ;
3056 CDB[0] = cmd;
3057 CDB[4] = io->size;
3058 cmdTimeout = 10;
3059 break;
3060
3061 case TEST_UNIT_READY:
3062 cmdLen = 6;
3063 dir = MPI_SCSIIO_CONTROL_READ;
3064 cmdTimeout = 10;
3065 break;
3066
3067 case START_STOP:
3068 cmdLen = 6;
3069 dir = MPI_SCSIIO_CONTROL_READ;
3070 CDB[0] = cmd;
3071 CDB[4] = 1; /*Spin up the disk */
3072 cmdTimeout = 15;
3073 break;
3074
3075 case REQUEST_SENSE:
3076 cmdLen = 6;
3077 CDB[0] = cmd;
3078 CDB[4] = io->size;
3079 dir = MPI_SCSIIO_CONTROL_READ;
3080 cmdTimeout = 10;
3081 break;
3082
3083 case READ_BUFFER:
3084 cmdLen = 10;
3085 dir = MPI_SCSIIO_CONTROL_READ;
3086 CDB[0] = cmd;
3087 if (io->flags & MPT_ICFLAG_ECHO) {
3088 CDB[1] = 0x0A;
3089 } else {
3090 CDB[1] = 0x02;
3091 }
3092
3093 if (io->flags & MPT_ICFLAG_BUF_CAP) {
3094 CDB[1] |= 0x01;
3095 }
3096 CDB[6] = (io->size >> 16) & 0xFF;
3097 CDB[7] = (io->size >> 8) & 0xFF;
3098 CDB[8] = io->size & 0xFF;
3099 cmdTimeout = 10;
3100 break;
3101
3102 case WRITE_BUFFER:
3103 cmdLen = 10;
3104 dir = MPI_SCSIIO_CONTROL_WRITE;
3105 CDB[0] = cmd;
3106 if (io->flags & MPT_ICFLAG_ECHO) {
3107 CDB[1] = 0x0A;
3108 } else {
3109 CDB[1] = 0x02;
3110 }
3111 CDB[6] = (io->size >> 16) & 0xFF;
3112 CDB[7] = (io->size >> 8) & 0xFF;
3113 CDB[8] = io->size & 0xFF;
3114 cmdTimeout = 10;
3115 break;
3116
3117 case RESERVE:
3118 cmdLen = 6;
3119 dir = MPI_SCSIIO_CONTROL_READ;
3120 CDB[0] = cmd;
3121 cmdTimeout = 10;
3122 break;
3123
3124 case RELEASE:
3125 cmdLen = 6;
3126 dir = MPI_SCSIIO_CONTROL_READ;
3127 CDB[0] = cmd;
3128 cmdTimeout = 10;
3129 break;
3130
3131 case SYNCHRONIZE_CACHE:
3132 cmdLen = 10;
3133 dir = MPI_SCSIIO_CONTROL_READ;
3134 CDB[0] = cmd;
3135 // CDB[1] = 0x02; /* set immediate bit */
3136 cmdTimeout = 10;
3137 break;
3138
3139 default:
3140 /* Error Case */
3141 return -EFAULT;
3142 }
3143
3144 /* Get and Populate a free Frame
3145 */
3146 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
3147 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "No msg frames!\n",
3148 ioc->name));
3149 return -EBUSY;
3150 }
3151
3152 pScsiReq = (SCSIIORequest_t *) mf;
3153
3154 /* Get the request index */
3155 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
3156 ADD_INDEX_LOG(my_idx); /* for debug */
3157
3158 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
3159 pScsiReq->TargetID = io->physDiskNum;
3160 pScsiReq->Bus = 0;
3161 pScsiReq->ChainOffset = 0;
3162 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
3163 } else {
3164 pScsiReq->TargetID = io->id;
3165 pScsiReq->Bus = io->channel;
3166 pScsiReq->ChainOffset = 0;
3167 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
3168 }
3169
3170 pScsiReq->CDBLength = cmdLen;
3171 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
3172
3173 pScsiReq->Reserved = 0;
3174
3175 pScsiReq->MsgFlags = mpt_msg_flags();
3176 /* MsgContext set in mpt_get_msg_fram call */
3177
3178 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
3179
3180 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
3181 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
3182 else
3183 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3184
3185 if (cmd == REQUEST_SENSE) {
3186 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3187 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Untagged! 0x%2x\n",
3188 ioc->name, cmd));
3189 }
3190
3191 for (ii=0; ii < 16; ii++)
3192 pScsiReq->CDB[ii] = CDB[ii];
3193
3194 pScsiReq->DataLength = cpu_to_le32(io->size);
3195 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
3196 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
3197
3198 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Command 0x%x for (%d:%d:%d)\n",
3199 ioc->name, cmd, io->channel, io->id, io->lun));
3200
3201 if (dir == MPI_SCSIIO_CONTROL_READ) {
3202 mpt_add_sge((char *) &pScsiReq->SGL,
3203 MPT_SGE_FLAGS_SSIMPLE_READ | io->size,
3204 io->data_dma);
3205 } else {
3206 mpt_add_sge((char *) &pScsiReq->SGL,
3207 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size,
3208 io->data_dma);
3209 }
3210
3211 /* The ISR will free the request frame, but we need
3212 * the information to initialize the target. Duplicate.
3213 */
3214 memcpy(&ReqCopy, pScsiReq, sizeof(SCSIIORequest_t));
3215
3216 /* Issue this command after:
3217 * finish init
3218 * add timer
3219 * Wait until the reply has been received
3220 * ScsiScanDvCtx callback function will
3221 * set hd->pLocal;
3222 * set scandv_wait_done and call wake_up
3223 */
3224 hd->pLocal = NULL;
3225 hd->timer.expires = jiffies + HZ*cmdTimeout;
3226 hd->scandv_wait_done = 0;
3227
3228 /* Save cmd pointer, for resource free if timeout or
3229 * FW reload occurs
3230 */
3231 hd->cmdPtr = mf;
3232
3233 add_timer(&hd->timer);
3234 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
3235 wait_event(hd->scandv_waitq, hd->scandv_wait_done);
3236
3237 if (hd->pLocal) {
3238 rc = hd->pLocal->completion;
3239 hd->pLocal->skip = 0;
3240
3241 /* Always set fatal error codes in some cases.
3242 */
3243 if (rc == MPT_SCANDV_SELECTION_TIMEOUT)
3244 rc = -ENXIO;
3245 else if (rc == MPT_SCANDV_SOME_ERROR)
3246 rc = -rc;
3247 } else {
3248 rc = -EFAULT;
3249 /* This should never happen. */
3250 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "_do_cmd: Null pLocal!!!\n",
3251 ioc->name));
3252 }
3253
3254 return rc;
3255 }
3256
3257 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3258 /**
3259 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3260 * @hd: Pointer to a SCSI HOST structure
3261 * @vdevice: virtual target device
3262 *
3263 * Uses the ISR, but with special processing.
3264 * MUST be single-threaded.
3265 *
3266 */
3267 static void
3268 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3269 {
3270 INTERNAL_CMD iocmd;
3271
3272 /* Ignore hidden raid components, this is handled when the command
3273 * is sent to the volume
3274 */
3275 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3276 return;
3277
3278 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3279 !vdevice->configured_lun)
3280 return;
3281
3282 /* Following parameters will not change
3283 * in this routine.
3284 */
3285 iocmd.cmd = SYNCHRONIZE_CACHE;
3286 iocmd.flags = 0;
3287 iocmd.physDiskNum = -1;
3288 iocmd.data = NULL;
3289 iocmd.data_dma = -1;
3290 iocmd.size = 0;
3291 iocmd.rsvd = iocmd.rsvd2 = 0;
3292 iocmd.channel = vdevice->vtarget->channel;
3293 iocmd.id = vdevice->vtarget->id;
3294 iocmd.lun = vdevice->lun;
3295
3296 mptscsih_do_cmd(hd, &iocmd);
3297 }
3298
3299 static ssize_t
3300 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3301 char *buf)
3302 {
3303 struct Scsi_Host *host = class_to_shost(dev);
3304 MPT_SCSI_HOST *hd = shost_priv(host);
3305 MPT_ADAPTER *ioc = hd->ioc;
3306
3307 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3308 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3309 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3310 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3311 ioc->facts.FWVersion.Word & 0x000000FF);
3312 }
3313 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3314
3315 static ssize_t
3316 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3317 char *buf)
3318 {
3319 struct Scsi_Host *host = class_to_shost(dev);
3320 MPT_SCSI_HOST *hd = shost_priv(host);
3321 MPT_ADAPTER *ioc = hd->ioc;
3322
3323 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3324 (ioc->biosVersion & 0xFF000000) >> 24,
3325 (ioc->biosVersion & 0x00FF0000) >> 16,
3326 (ioc->biosVersion & 0x0000FF00) >> 8,
3327 ioc->biosVersion & 0x000000FF);
3328 }
3329 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3330
3331 static ssize_t
3332 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3333 char *buf)
3334 {
3335 struct Scsi_Host *host = class_to_shost(dev);
3336 MPT_SCSI_HOST *hd = shost_priv(host);
3337 MPT_ADAPTER *ioc = hd->ioc;
3338
3339 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3340 }
3341 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3342
3343 static ssize_t
3344 mptscsih_version_product_show(struct device *dev,
3345 struct device_attribute *attr,
3346 char *buf)
3347 {
3348 struct Scsi_Host *host = class_to_shost(dev);
3349 MPT_SCSI_HOST *hd = shost_priv(host);
3350 MPT_ADAPTER *ioc = hd->ioc;
3351
3352 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3353 }
3354 static DEVICE_ATTR(version_product, S_IRUGO,
3355 mptscsih_version_product_show, NULL);
3356
3357 static ssize_t
3358 mptscsih_version_nvdata_persistent_show(struct device *dev,
3359 struct device_attribute *attr,
3360 char *buf)
3361 {
3362 struct Scsi_Host *host = class_to_shost(dev);
3363 MPT_SCSI_HOST *hd = shost_priv(host);
3364 MPT_ADAPTER *ioc = hd->ioc;
3365
3366 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3367 ioc->nvdata_version_persistent);
3368 }
3369 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3370 mptscsih_version_nvdata_persistent_show, NULL);
3371
3372 static ssize_t
3373 mptscsih_version_nvdata_default_show(struct device *dev,
3374 struct device_attribute *attr, char *buf)
3375 {
3376 struct Scsi_Host *host = class_to_shost(dev);
3377 MPT_SCSI_HOST *hd = shost_priv(host);
3378 MPT_ADAPTER *ioc = hd->ioc;
3379
3380 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3381 }
3382 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3383 mptscsih_version_nvdata_default_show, NULL);
3384
3385 static ssize_t
3386 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3387 char *buf)
3388 {
3389 struct Scsi_Host *host = class_to_shost(dev);
3390 MPT_SCSI_HOST *hd = shost_priv(host);
3391 MPT_ADAPTER *ioc = hd->ioc;
3392
3393 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3394 }
3395 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3396
3397 static ssize_t
3398 mptscsih_board_assembly_show(struct device *dev,
3399 struct device_attribute *attr, char *buf)
3400 {
3401 struct Scsi_Host *host = class_to_shost(dev);
3402 MPT_SCSI_HOST *hd = shost_priv(host);
3403 MPT_ADAPTER *ioc = hd->ioc;
3404
3405 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3406 }
3407 static DEVICE_ATTR(board_assembly, S_IRUGO,
3408 mptscsih_board_assembly_show, NULL);
3409
3410 static ssize_t
3411 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3412 char *buf)
3413 {
3414 struct Scsi_Host *host = class_to_shost(dev);
3415 MPT_SCSI_HOST *hd = shost_priv(host);
3416 MPT_ADAPTER *ioc = hd->ioc;
3417
3418 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3419 }
3420 static DEVICE_ATTR(board_tracer, S_IRUGO,
3421 mptscsih_board_tracer_show, NULL);
3422
3423 static ssize_t
3424 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3425 char *buf)
3426 {
3427 struct Scsi_Host *host = class_to_shost(dev);
3428 MPT_SCSI_HOST *hd = shost_priv(host);
3429 MPT_ADAPTER *ioc = hd->ioc;
3430
3431 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3432 }
3433 static DEVICE_ATTR(io_delay, S_IRUGO,
3434 mptscsih_io_delay_show, NULL);
3435
3436 static ssize_t
3437 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3438 char *buf)
3439 {
3440 struct Scsi_Host *host = class_to_shost(dev);
3441 MPT_SCSI_HOST *hd = shost_priv(host);
3442 MPT_ADAPTER *ioc = hd->ioc;
3443
3444 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3445 }
3446 static DEVICE_ATTR(device_delay, S_IRUGO,
3447 mptscsih_device_delay_show, NULL);
3448
3449 static ssize_t
3450 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3451 char *buf)
3452 {
3453 struct Scsi_Host *host = class_to_shost(dev);
3454 MPT_SCSI_HOST *hd = shost_priv(host);
3455 MPT_ADAPTER *ioc = hd->ioc;
3456
3457 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3458 }
3459 static ssize_t
3460 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3461 const char *buf, size_t count)
3462 {
3463 struct Scsi_Host *host = class_to_shost(dev);
3464 MPT_SCSI_HOST *hd = shost_priv(host);
3465 MPT_ADAPTER *ioc = hd->ioc;
3466 int val = 0;
3467
3468 if (sscanf(buf, "%x", &val) != 1)
3469 return -EINVAL;
3470
3471 ioc->debug_level = val;
3472 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3473 ioc->name, ioc->debug_level);
3474 return strlen(buf);
3475 }
3476 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3477 mptscsih_debug_level_show, mptscsih_debug_level_store);
3478
3479 struct device_attribute *mptscsih_host_attrs[] = {
3480 &dev_attr_version_fw,
3481 &dev_attr_version_bios,
3482 &dev_attr_version_mpi,
3483 &dev_attr_version_product,
3484 &dev_attr_version_nvdata_persistent,
3485 &dev_attr_version_nvdata_default,
3486 &dev_attr_board_name,
3487 &dev_attr_board_assembly,
3488 &dev_attr_board_tracer,
3489 &dev_attr_io_delay,
3490 &dev_attr_device_delay,
3491 &dev_attr_debug_level,
3492 NULL,
3493 };
3494 EXPORT_SYMBOL(mptscsih_host_attrs);
3495
3496 EXPORT_SYMBOL(mptscsih_remove);
3497 EXPORT_SYMBOL(mptscsih_shutdown);
3498 #ifdef CONFIG_PM
3499 EXPORT_SYMBOL(mptscsih_suspend);
3500 EXPORT_SYMBOL(mptscsih_resume);
3501 #endif
3502 EXPORT_SYMBOL(mptscsih_proc_info);
3503 EXPORT_SYMBOL(mptscsih_info);
3504 EXPORT_SYMBOL(mptscsih_qcmd);
3505 EXPORT_SYMBOL(mptscsih_slave_destroy);
3506 EXPORT_SYMBOL(mptscsih_slave_configure);
3507 EXPORT_SYMBOL(mptscsih_abort);
3508 EXPORT_SYMBOL(mptscsih_dev_reset);
3509 EXPORT_SYMBOL(mptscsih_bus_reset);
3510 EXPORT_SYMBOL(mptscsih_host_reset);
3511 EXPORT_SYMBOL(mptscsih_bios_param);
3512 EXPORT_SYMBOL(mptscsih_io_done);
3513 EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3514 EXPORT_SYMBOL(mptscsih_scandv_complete);
3515 EXPORT_SYMBOL(mptscsih_event_process);
3516 EXPORT_SYMBOL(mptscsih_ioc_reset);
3517 EXPORT_SYMBOL(mptscsih_change_queue_depth);
3518 EXPORT_SYMBOL(mptscsih_timer_expired);
3519 EXPORT_SYMBOL(mptscsih_TMHandler);
3520
3521 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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