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.
6 * Copyright (c) 1999-2008 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
10 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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.
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.
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.
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
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
45 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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>
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>
67 #include "lsi/mpi_log_sas.h"
69 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
70 #define my_NAME "Fusion MPT SCSI Host driver"
71 #define my_VERSION MPT_LINUX_VERSION_COMMON
72 #define MYNAM "mptscsih"
74 MODULE_AUTHOR(MODULEAUTHOR);
75 MODULE_DESCRIPTION(my_NAME);
76 MODULE_LICENSE("GPL");
77 MODULE_VERSION(my_VERSION);
79 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
81 * Other private/forward protos...
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);
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 );
98 static int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int ctx2abort, ulong timeout);
100 int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
101 int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
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);
107 void mptscsih_remove(struct pci_dev *);
108 void mptscsih_shutdown(struct pci_dev *);
110 int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
111 int mptscsih_resume(struct pci_dev *pdev);
114 #define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE
116 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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
123 * This routine places a MPT request frame back on the MPT adapter's
127 mptscsih_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr)
129 if (sizeof(dma_addr_t) == sizeof(u64)) {
130 SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
131 u32 tmp = dma_addr & 0xFFFFFFFF;
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);
139 SGESimple32_t *pSge = (SGESimple32_t *) pAddr;
140 pSge->FlagsLength = cpu_to_le32(flagslength);
141 pSge->Address = cpu_to_le32(dma_addr);
143 } /* mptscsih_add_sge() */
145 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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
153 * This routine places a MPT request frame back on the MPT adapter's
157 mptscsih_add_chain(char *pAddr, u8 next, u16 length, dma_addr_t dma_addr)
159 if (sizeof(dma_addr_t) == sizeof(u64)) {
160 SGEChain64_t *pChain = (SGEChain64_t *) pAddr;
161 u32 tmp = dma_addr & 0xFFFFFFFF;
163 pChain->Length = cpu_to_le16(length);
164 pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | mpt_addr_size();
166 pChain->NextChainOffset = next;
168 pChain->Address.Low = cpu_to_le32(tmp);
169 tmp = (u32) ((u64)dma_addr >> 32);
170 pChain->Address.High = cpu_to_le32(tmp);
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);
178 } /* mptscsih_add_chain() */
180 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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)
187 * return SUCCESS or FAILED
190 mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
192 MPT_FRAME_HDR *chainBuf;
197 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
199 spin_lock_irqsave(&ioc->FreeQlock, flags);
200 if (!list_empty(&ioc->FreeChainQ)) {
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;
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));
214 chain_idx = MPT_HOST_NO_CHAIN;
215 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
218 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
220 *retIndex = chain_idx;
222 } /* mptscsih_getFreeChainBuffer() */
224 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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
235 mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
236 SCSIIORequest_t *pReq, int req_idx)
240 struct scatterlist *sg;
242 int sges_left, sg_done;
243 int chain_idx = MPT_HOST_NO_CHAIN;
245 int numSgeSlots, numSgeThisFrame;
246 u32 sgflags, sgdir, thisxfer = 0;
247 int chain_dma_off = 0;
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;
257 sgdir = MPT_TRANSFER_IOC_TO_HOST;
260 psge = (char *) &pReq->SGL;
261 frm_sz = ioc->req_sz;
263 /* Map the data portion, if any.
264 * sges_left = 0 if no data transfer.
266 sges_left = scsi_dma_map(SCpnt);
270 /* Handle the SG case.
272 sg = scsi_sglist(SCpnt);
274 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
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)
284 numSgeSlots = ((frm_sz - sgeOffset) / (sizeof(u32) + sizeof(dma_addr_t)) );
285 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
287 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | MPT_SGE_FLAGS_ADDRESSING | sgdir;
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
293 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
294 thisxfer = sg_dma_len(sg);
296 sg = sg_next(sg); /* Get next SG element from the OS */
301 v2 = sg_dma_address(sg);
302 mptscsih_add_sge(psge, sgflags | thisxfer, v2);
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));
310 if (numSgeThisFrame == sges_left) {
311 /* Add last element, end of buffer and end of list flags.
313 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
314 MPT_SGE_FLAGS_END_OF_BUFFER |
315 MPT_SGE_FLAGS_END_OF_LIST;
317 /* Add last SGE and set termination flags.
318 * Note: Last SGE may have a length of 0 - which should be ok.
320 thisxfer = sg_dma_len(sg);
322 v2 = sg_dma_address(sg);
323 mptscsih_add_sge(psge, sgflags | thisxfer, v2);
326 psge += (sizeof(u32) + sizeof(dma_addr_t));
328 sgeOffset += (sizeof(u32) + sizeof(dma_addr_t));
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.
337 mptscsih_add_chain((char *)chainSge, 0, sgeOffset, ioc->ChainBufferDMA + chain_dma_off);
339 /* The current buffer is the original MF
340 * and there is no Chain buffer.
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;
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
360 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
361 ioc->name, sg_done));
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
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);
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.
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);
387 /* The original MF buffer requires a chain buffer -
389 * Last element in this MF is a chain element.
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;
397 sges_left -= sg_done;
400 /* NOTE: psge points to the beginning of the chain element
401 * in current buffer. Get a chain buffer.
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));
410 /* Update the tracking arrays.
411 * If chainSge == NULL, update ReqToChain, else ChainToChain
414 ioc->ChainToChain[chain_idx] = newIndex;
416 ioc->ReqToChain[req_idx] = newIndex;
418 chain_idx = newIndex;
419 chain_dma_off = ioc->req_sz * chain_idx;
421 /* Populate the chainSGE for the current buffer.
422 * - Set chain buffer pointer to psge and fill
423 * out the Address and Flags fields.
425 chainSge = (char *) psge;
426 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
427 ioc->name, psge, req_idx));
429 /* Start the SGE for the next buffer
431 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
435 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
436 ioc->name, psge, chain_idx));
438 /* Start the SGE for the next buffer
445 } /* mptscsih_AddSGE() */
448 mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
452 SEPRequest_t *SEPMsg;
454 if (ioc->bus_type != SAS)
457 /* Not supported for hidden raid components
459 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
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__));
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);
480 #ifdef CONFIG_FUSION_LOGGING
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
487 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
489 * Refer to lsi/mpi.h.
492 mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
499 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
501 switch (ioc_status) {
503 case MPI_IOCSTATUS_SUCCESS:
506 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
507 desc = "invalid bus";
509 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
510 desc = "invalid target_id";
512 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
513 desc = "device not there";
515 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
516 desc = "data overrun";
518 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
519 desc = "data underrun";
521 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
522 desc = "I/O data error";
524 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
525 desc = "protocol error";
527 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
528 desc = "task terminated";
530 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
531 desc = "residual mismatch";
533 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
534 desc = "task management failed";
536 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
537 desc = "IOC terminated";
539 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
540 desc = "ext terminated";
547 switch (pScsiReply->SCSIStatus)
550 case MPI_SCSI_STATUS_SUCCESS:
553 case MPI_SCSI_STATUS_CHECK_CONDITION:
554 desc1 = "check condition";
556 case MPI_SCSI_STATUS_CONDITION_MET:
557 desc1 = "condition met";
559 case MPI_SCSI_STATUS_BUSY:
562 case MPI_SCSI_STATUS_INTERMEDIATE:
563 desc1 = "intermediate";
565 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
566 desc1 = "intermediate condmet";
568 case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
569 desc1 = "reservation conflict";
571 case MPI_SCSI_STATUS_COMMAND_TERMINATED:
572 desc1 = "command terminated";
574 case MPI_SCSI_STATUS_TASK_SET_FULL:
575 desc1 = "task set full";
577 case MPI_SCSI_STATUS_ACA_ACTIVE:
578 desc1 = "aca active";
580 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
581 desc1 = "fcpext device logged out";
583 case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
584 desc1 = "fcpext no link";
586 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
587 desc1 = "fcpext unassigned";
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,
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);
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];
613 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
614 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
618 * Look for + dump FCP ResponseInfo[]!
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));
627 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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)
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.
640 * Returns 1 indicating alloc'd request frame ptr should be freed.
643 mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
645 struct scsi_cmnd *sc;
647 SCSIIORequest_t *pScsiReq;
648 SCSIIOReply_t *pScsiReply;
649 u16 req_idx, req_idx_MR;
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",
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));
668 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
670 MPIHeader_t *hdr = (MPIHeader_t *)mf;
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.
676 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
677 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
680 mptscsih_freeChainBuffers(ioc, req_idx);
684 if ((unsigned char *)mf != sc->host_scribble) {
685 mptscsih_freeChainBuffers(ioc, req_idx);
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;
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));
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));
704 if (pScsiReply == NULL) {
705 /* special context reply handling */
710 u8 scsi_state, scsi_status;
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);
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
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;
733 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
734 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
737 * Look for + dump FCP ResponseInfo[]!
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));
749 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
751 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
752 * But not: DID_BUS_BUSY lest one risk
753 * killing interrupt handler:-(
755 sc->result = SAM_STAT_BUSY;
758 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
759 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
760 sc->result = DID_BAD_TARGET << 16;
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 */
769 sc->result = DID_REQUEUE << 16;
771 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
772 hd->sel_timeout[pScsiReq->TargetID]++;
774 vdevice = sc->device->hostdata;
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;
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);
795 } else if (ioc->bus_type == FC) {
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
804 sc->result = DID_ERROR << 16;
809 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
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.
817 sc->result = DID_RESET << 16;
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));
832 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
834 * Do upfront check for valid SenseData and give it
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
843 if (xfer_cnt < sc->underflow) {
844 if (scsi_status == SAM_STAT_BUSY)
845 sc->result = SAM_STAT_BUSY;
847 sc->result = DID_SOFT_ERROR << 16;
849 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
852 sc->result = DID_SOFT_ERROR << 16;
854 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
855 /* Not real sure here either... */
856 sc->result = DID_RESET << 16;
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));
869 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
870 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
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) {
881 } else if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) {
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.
888 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
889 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
892 else if (scsi_state &
893 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
898 sc->result = DID_SOFT_ERROR << 16;
900 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
901 /* Not real sure here either... */
902 sc->result = DID_RESET << 16;
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.
909 * Not real sure here either so do nothing... */
912 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
913 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
916 * Reservation Conflict, Busy,
917 * Command Terminated, CHECK
921 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
922 sc->result = DID_SOFT_ERROR << 16;
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 */
938 sc->result = DID_SOFT_ERROR << 16;
941 } /* switch(status) */
943 #ifdef CONFIG_FUSION_LOGGING
944 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
945 mptscsih_info_scsiio(ioc, sc, pScsiReply);
948 } /* end of address reply case */
950 /* Unmap the DMA buffers, if any. */
953 sc->scsi_done(sc); /* Issue the command callback */
955 /* Free Chain buffers */
956 mptscsih_freeChainBuffers(ioc, req_idx);
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
968 * Must be called while new I/Os are being queued.
971 mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
973 MPT_ADAPTER *ioc = hd->ioc;
974 struct scsi_cmnd *sc;
975 SCSIIORequest_t *mf = NULL;
979 for (ii= 0; ii < ioc->req_depth; ii++) {
980 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
983 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
988 mptscsih_freeChainBuffers(ioc, ii);
989 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
990 if ((unsigned char *)mf != sc->host_scribble)
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);
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
1014 * Called from slave_destroy.
1017 mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
1019 SCSIIORequest_t *mf = NULL;
1021 struct scsi_cmnd *sc;
1022 struct scsi_lun lun;
1023 MPT_ADAPTER *ioc = hd->ioc;
1024 unsigned long flags;
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) {
1030 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1033 /* If the device is a hidden raid component, then its
1034 * expected that the mf->function will be RAID_SCSI_IO
1036 if (vdevice->vtarget->tflags &
1037 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1038 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
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))
1047 if ((unsigned char *)mf != sc->host_scribble)
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);
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);
1060 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1063 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1067 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1069 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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
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.
1082 mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1084 long time = jiffies;
1088 if (sc->device == NULL)
1090 if (sc->device->host == NULL)
1092 if ((hd = shost_priv(sc->device->host)) == NULL)
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;
1102 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1104 * mptscsih_remove - Removed scsi devices
1105 * @pdev: Pointer to pci_dev structure
1110 mptscsih_remove(struct pci_dev *pdev)
1112 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1113 struct Scsi_Host *host = ioc->sh;
1122 scsi_remove_host(host);
1124 if((hd = shost_priv(host)) == NULL)
1127 mptscsih_shutdown(pdev);
1131 if (ioc->ScsiLookup != NULL) {
1132 sz1 = ioc->req_depth * sizeof(void *);
1133 kfree(ioc->ScsiLookup);
1134 ioc->ScsiLookup = NULL;
1137 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1138 "Free'd ScsiLookup (%d) memory\n",
1141 kfree(hd->info_kbuf);
1143 /* NULL the Scsi_Host pointer
1147 scsi_host_put(host);
1153 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1155 * mptscsih_shutdown - reboot notifier
1159 mptscsih_shutdown(struct pci_dev *pdev)
1164 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1166 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
1171 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
1173 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1175 scsi_block_requests(ioc->sh);
1176 flush_scheduled_work();
1177 mptscsih_shutdown(pdev);
1178 return mpt_suspend(pdev,state);
1181 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1183 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1188 mptscsih_resume(struct pci_dev *pdev)
1190 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1193 rc = mpt_resume(pdev);
1194 scsi_unblock_requests(ioc->sh);
1200 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1202 * mptscsih_info - Return information about MPT adapter
1203 * @SChost: Pointer to Scsi_Host structure
1205 * (linux scsi_host_template.info routine)
1207 * Returns pointer to buffer where information was written.
1210 mptscsih_info(struct Scsi_Host *SChost)
1215 h = shost_priv(SChost);
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';
1223 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1224 h->info_kbuf[size-1] = '\0';
1227 return h->info_kbuf;
1238 mptscsih_copy_mem_info(struct info_str *info, char *data, int len)
1240 if (info->pos + len > info->length)
1241 len = info->length - info->pos;
1243 if (info->pos + len < info->offset) {
1248 if (info->pos < info->offset) {
1249 data += (info->offset - info->pos);
1250 len -= (info->offset - info->pos);
1254 memcpy(info->buffer + info->pos, data, len);
1260 mptscsih_copy_info(struct info_str *info, char *fmt, ...)
1266 va_start(args, fmt);
1267 len = vsprintf(buf, fmt, args);
1270 mptscsih_copy_mem_info(info, buf, len);
1275 mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len)
1277 struct info_str info;
1281 info.offset = offset;
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);
1289 return ((info.pos > info.offset) ? info.pos - info.offset : 0);
1292 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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
1303 * (linux scsi_host_template.info routine)
1306 mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
1307 int length, int func)
1309 MPT_SCSI_HOST *hd = shost_priv(host);
1310 MPT_ADAPTER *ioc = hd->ioc;
1315 * write is not supported
1321 size = mptscsih_host_info(ioc, buffer, offset, length);
1327 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1328 #define ADD_INDEX_LOG(req_ent) do { } while(0)
1330 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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
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.
1340 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1343 mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1347 SCSIIORequest_t *pScsiReq;
1348 VirtDevice *vdevice = SCpnt->device->hostdata;
1358 hd = shost_priv(SCpnt->device->host);
1360 lun = SCpnt->device->lun;
1361 SCpnt->scsi_done = done;
1363 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n",
1364 ioc->name, SCpnt, done));
1366 if (hd->resetPending) {
1367 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "qcmd: SCpnt=%p timeout + 60HZ\n",
1369 return SCSI_MLQUEUE_HOST_BUSY;
1373 * Put together a MPT SCSI request...
1375 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
1376 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1378 return SCSI_MLQUEUE_HOST_BUSY;
1381 pScsiReq = (SCSIIORequest_t *) mf;
1383 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1385 ADD_INDEX_LOG(my_idx);
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...
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) */
1399 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1402 /* Default to untagged. Once a target structure has been allocated,
1403 * use the Inquiry data to determine if device supports tagged.
1406 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
1407 && (SCpnt->device->tagged_supported)) {
1408 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
1410 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
1413 /* Use the above information to set up the message frame
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;
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);
1430 * Write SCSI CDB into the message
1432 cmd_len = SCpnt->cmd_len;
1433 for (ii=0; ii < cmd_len; ii++)
1434 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1436 for (ii=cmd_len; ii < 16; ii++)
1437 pScsiReq->CDB[ii] = 0;
1440 pScsiReq->DataLength = cpu_to_le32(datalen);
1442 /* SenseBuffer low address */
1443 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
1444 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1446 /* Now add the SG list
1447 * Always have a SGE even if null length.
1450 /* Add a NULL SGE */
1451 mptscsih_add_sge((char *)&pScsiReq->SGL, MPT_SGE_FLAGS_SSIMPLE_READ | 0,
1454 /* Add a 32 or 64 bit SGE */
1455 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
1459 SCpnt->host_scribble = (unsigned char *)mf;
1460 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
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);
1469 mptscsih_freeChainBuffers(ioc, my_idx);
1470 mpt_free_msg_frame(ioc, mf);
1471 return SCSI_MLQUEUE_HOST_BUSY;
1474 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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.
1481 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1485 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1487 MPT_FRAME_HDR *chain;
1488 unsigned long flags;
1492 /* Get the first chain index and reset
1495 chain_idx = ioc->ReqToChain[req_idx];
1496 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1498 while (chain_idx != MPT_HOST_NO_CHAIN) {
1500 /* Save the next chain buffer index */
1501 next = ioc->ChainToChain[chain_idx];
1503 /* Free this chain buffer and reset
1506 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1508 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1509 + (chain_idx * ioc->req_sz));
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);
1515 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
1516 ioc->name, chain_idx));
1524 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1529 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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
1540 * Fall through to mpt_HardResetHandler if: not operational, too many
1541 * failed TM requests or handshake failure.
1543 * Remark: Currently invoked from a non-interrupt thread (_bh).
1545 * Note: With old EH code, at most 1 SCSI TaskMgmt function per IOC
1548 * Returns 0 for SUCCESS, or %FAILED.
1551 mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int ctx2abort, ulong timeout)
1556 unsigned long flags;
1559 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TMHandler Entered!\n", ioc->name));
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);
1568 spin_unlock_irqrestore(&ioc->diagLock, flags);
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
1573 * The call to mptscsih_tm_pending_wait() will set the pending flag
1575 * successful. Otherwise, reload the FW.
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));
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,
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));
1596 spin_lock_irqsave(&ioc->FreeQlock, flags);
1597 hd->tmPending |= (1 << type);
1598 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1601 ioc_raw_state = mpt_GetIocState(ioc, 0);
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);
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);
1622 /* Isse the Task Mgmt request.
1624 if (hd->hard_resets < -1)
1627 rc = mptscsih_IssueTaskMgmt(hd, type, channel, id, lun,
1628 ctx2abort, timeout);
1630 printk(MYIOC_s_INFO_FMT "Issue of TaskMgmt failed!\n",
1633 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issue of TaskMgmt Successful!\n",
1636 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1637 "TMHandler rc = %d!\n", ioc->name, rc));
1643 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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
1654 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1655 * or a non-interrupt thread. In the former, must not call schedule().
1657 * Not all fields are meaningfull for all task types.
1659 * Returns 0 for SUCCESS, or FAILED.
1663 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int ctx2abort, ulong timeout)
1666 SCSITaskMgmt_t *pScsiTm;
1669 MPT_ADAPTER *ioc = hd->ioc;
1671 /* Return Fail to calling function if no message frames available.
1673 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
1674 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "IssueTaskMgmt, no msg frames!!\n",
1678 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IssueTaskMgmt request @ %p\n",
1681 /* Format the Request
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;
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;
1695 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
1697 for (ii=0; ii < 7; ii++)
1698 pScsiTm->Reserved2[ii] = 0;
1700 pScsiTm->TaskMsgContext = ctx2abort;
1702 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IssueTaskMgmt: ctx2abort (0x%08x) "
1703 "type=%d\n", ioc->name, ctx2abort, type));
1705 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
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);
1711 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
1712 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1714 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "send_handshake FAILED!"
1715 " (hd %p, ioc %p, mf %p, rc=%d) \n", ioc->name, hd,
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,
1725 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling HardReset! \n",
1727 retval = mpt_HardResetHandler(ioc, CAN_SLEEP);
1728 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rc=%d \n",
1729 ioc->name, retval));
1734 * Handle success case, see if theres a non-zero ioc_status.
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)
1748 * Free task management mf, and corresponding tm flags
1750 mpt_free_msg_frame(ioc, mf);
1752 hd->tmState = TM_STATE_NONE;
1757 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1759 switch (ioc->bus_type) {
1769 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1771 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1772 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1774 * (linux scsi_host_template.eh_abort_handler routine)
1776 * Returns SUCCESS or FAILED.
1779 mptscsih_abort(struct scsi_cmnd * SCpnt)
1786 VirtDevice *vdevice;
1787 ulong sn = SCpnt->serial_number;
1790 /* If we can't locate our host adapter structure, return FAILED status.
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);
1801 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1803 scsi_print_command(SCpnt);
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",
1810 SCpnt->result = DID_NO_CONNECT << 16;
1811 SCpnt->scsi_done(SCpnt);
1816 /* Task aborts are not supported for hidden raid components.
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",
1822 SCpnt->result = DID_RESET << 16;
1827 /* Find this command
1829 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
1830 /* Cmd not found in ScsiLookup.
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,
1841 if (hd->resetPending) {
1846 if (hd->timeouts < -1)
1849 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1850 * (the IO to be ABORT'd)
1852 * NOTE: Since we do not byteswap MsgContext, we do not
1853 * swap it here either. It is an opaque cookie to
1854 * the controller, so it does not matter. -DaveM
1856 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
1857 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
1859 hd->abortSCpnt = SCpnt;
1861 retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1862 vdevice->vtarget->channel, vdevice->vtarget->id, vdevice->lun,
1863 ctx2abort, mptscsih_get_tm_timeout(ioc));
1865 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx &&
1866 SCpnt->serial_number == sn)
1870 printk(MYIOC_s_INFO_FMT "task abort: %s (sc=%p)\n",
1871 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1879 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1881 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1882 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1884 * (linux scsi_host_template.eh_dev_reset_handler routine)
1886 * Returns SUCCESS or FAILED.
1889 mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1893 VirtDevice *vdevice;
1896 /* If we can't locate our host adapter structure, return FAILED status.
1898 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1899 printk(KERN_ERR MYNAM ": target reset: "
1900 "Can't locate host! (sc=%p)\n", SCpnt);
1905 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1907 scsi_print_command(SCpnt);
1909 if (hd->resetPending) {
1914 vdevice = SCpnt->device->hostdata;
1915 if (!vdevice || !vdevice->vtarget) {
1920 /* Target reset to hidden raid component is not supported
1922 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1927 retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1928 vdevice->vtarget->channel, vdevice->vtarget->id, 0, 0,
1929 mptscsih_get_tm_timeout(ioc));
1932 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1933 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1942 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1944 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1945 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1947 * (linux scsi_host_template.eh_bus_reset_handler routine)
1949 * Returns SUCCESS or FAILED.
1952 mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1956 VirtDevice *vdevice;
1959 /* If we can't locate our host adapter structure, return FAILED status.
1961 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
1962 printk(KERN_ERR MYNAM ": bus reset: "
1963 "Can't locate host! (sc=%p)\n", SCpnt);
1968 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1970 scsi_print_command(SCpnt);
1972 if (hd->timeouts < -1)
1975 vdevice = SCpnt->device->hostdata;
1976 retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1977 vdevice->vtarget->channel, 0, 0, 0, mptscsih_get_tm_timeout(ioc));
1979 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1980 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
1988 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1990 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
1991 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1993 * (linux scsi_host_template.eh_host_reset_handler routine)
1995 * Returns SUCCESS or FAILED.
1998 mptscsih_host_reset(struct scsi_cmnd *SCpnt)
2004 /* If we can't locate the host to reset, then we failed. */
2005 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
2006 printk(KERN_ERR MYNAM ": host reset: "
2007 "Can't locate host! (sc=%p)\n", SCpnt);
2012 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
2015 /* If our attempts to reset the host failed, then return a failed
2016 * status. The host will be taken off line by the SCSI mid-layer.
2018 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0) {
2021 /* Make sure TM pending is cleared and TM state is set to
2026 hd->tmState = TM_STATE_NONE;
2029 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
2030 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
2035 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2037 * mptscsih_tm_pending_wait - wait for pending task management request to complete
2038 * @hd: Pointer to MPT host structure.
2040 * Returns {SUCCESS,FAILED}.
2043 mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd)
2045 unsigned long flags;
2046 int loop_count = 4 * 10; /* Wait 10 seconds */
2047 int status = FAILED;
2048 MPT_ADAPTER *ioc = hd->ioc;
2051 spin_lock_irqsave(&ioc->FreeQlock, flags);
2052 if (hd->tmState == TM_STATE_NONE) {
2053 hd->tmState = TM_STATE_IN_PROGRESS;
2055 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
2059 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
2061 } while (--loop_count);
2066 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2068 * mptscsih_tm_wait_for_completion - wait for completion of TM task
2069 * @hd: Pointer to MPT host structure.
2070 * @timeout: timeout value
2072 * Returns {SUCCESS,FAILED}.
2075 mptscsih_tm_wait_for_completion(MPT_SCSI_HOST * hd, ulong timeout )
2077 unsigned long flags;
2078 int loop_count = 4 * timeout;
2079 int status = FAILED;
2080 MPT_ADAPTER *ioc = hd->ioc;
2083 spin_lock_irqsave(&ioc->FreeQlock, flags);
2084 if(hd->tmPending == 0) {
2086 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
2089 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
2091 } while (--loop_count);
2096 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2098 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2102 switch (response_code) {
2103 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2104 desc = "The task completed.";
2106 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2107 desc = "The IOC received an invalid frame status.";
2109 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2110 desc = "The task type is not supported.";
2112 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2113 desc = "The requested task failed.";
2115 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2116 desc = "The task completed successfully.";
2118 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2119 desc = "The LUN request is invalid.";
2121 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2122 desc = "The task is in the IOC queue and has not been sent to target.";
2128 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2129 ioc->name, response_code, desc);
2132 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2134 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2135 * @ioc: Pointer to MPT_ADAPTER structure
2136 * @mf: Pointer to SCSI task mgmt request frame
2137 * @mr: Pointer to SCSI task mgmt reply frame
2139 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2140 * of any SCSI task management request.
2141 * This routine is registered with the MPT (base) driver at driver
2142 * load/init time via the mpt_register() API call.
2144 * Returns 1 indicating alloc'd request frame ptr should be freed.
2147 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
2149 SCSITaskMgmtReply_t *pScsiTmReply;
2150 SCSITaskMgmt_t *pScsiTmReq;
2152 unsigned long flags;
2155 u32 termination_count;
2157 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt completed (mf=%p,mr=%p)\n",
2158 ioc->name, mf, mr));
2160 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT
2161 "TaskMgmt Complete: NULL Scsi Host Ptr\n", ioc->name));
2166 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT
2167 "ERROR! TaskMgmt Reply: NULL Request %p\n", ioc->name, mf));
2171 hd = shost_priv(ioc->sh);
2172 pScsiTmReply = (SCSITaskMgmtReply_t*)mr;
2173 pScsiTmReq = (SCSITaskMgmt_t*)mf;
2174 tmType = pScsiTmReq->TaskType;
2175 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2176 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
2178 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
2179 pScsiTmReply->ResponseCode)
2180 mptscsih_taskmgmt_response_code(ioc,
2181 pScsiTmReply->ResponseCode);
2182 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
2184 #ifdef CONFIG_FUSION_LOGGING
2185 if ((ioc->debug_level & MPT_DEBUG_REPLY) ||
2186 (ioc->debug_level & MPT_DEBUG_TM ))
2187 printk("%s: ha=%d [%d:%d:0] task_type=0x%02X "
2188 "iocstatus=0x%04X\n\tloginfo=0x%08X response_code=0x%02X "
2189 "term_cmnds=%d\n", __func__, ioc->id, pScsiTmReply->Bus,
2190 pScsiTmReply->TargetID, pScsiTmReq->TaskType,
2191 le16_to_cpu(pScsiTmReply->IOCStatus),
2192 le32_to_cpu(pScsiTmReply->IOCLogInfo),pScsiTmReply->ResponseCode,
2193 le32_to_cpu(pScsiTmReply->TerminationCount));
2196 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT " TaskMgmt SUCCESS\n", ioc->name));
2197 hd->abortSCpnt = NULL;
2201 /* Error? (anything non-zero?) */
2203 /* clear flags and continue.
2207 case MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
2208 if (termination_count == 1)
2209 iocstatus = MPI_IOCSTATUS_SCSI_TASK_TERMINATED;
2210 hd->abortSCpnt = NULL;
2213 case MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS:
2215 /* If an internal command is present
2216 * or the TM failed - reload the FW.
2217 * FC FW may respond FAILED to an ABORT
2219 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED ||
2221 if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0)
2222 printk(MYIOC_s_WARN_FMT " Firmware Reload FAILED!!\n", ioc->name);
2225 case MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
2231 spin_lock_irqsave(&ioc->FreeQlock, flags);
2233 hd->tmState = TM_STATE_NONE;
2234 hd->tm_iocstatus = iocstatus;
2235 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
2240 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2242 * This is anyones guess quite frankly.
2245 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2246 sector_t capacity, int geom[])
2256 dummy = heads * sectors;
2257 cylinders = capacity;
2258 sector_div(cylinders,dummy);
2261 * Handle extended translation size for logical drives
2264 if ((ulong)capacity >= 0x200000) {
2267 dummy = heads * sectors;
2268 cylinders = capacity;
2269 sector_div(cylinders,dummy);
2275 geom[2] = cylinders;
2280 /* Search IOC page 3 to determine if this is hidden physical disk
2284 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
2286 struct inactive_raid_component_info *component_info;
2290 if (!ioc->raid_data.pIocPg3)
2292 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2293 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2294 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2301 * Check inactive list for matching phys disks
2303 if (list_empty(&ioc->raid_data.inactive_list))
2306 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2307 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2309 if ((component_info->d.PhysDiskID == id) &&
2310 (component_info->d.PhysDiskBus == channel))
2313 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2318 EXPORT_SYMBOL(mptscsih_is_phys_disk);
2321 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
2323 struct inactive_raid_component_info *component_info;
2327 if (!ioc->raid_data.pIocPg3)
2329 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2330 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2331 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2332 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2338 * Check inactive list for matching phys disks
2340 if (list_empty(&ioc->raid_data.inactive_list))
2343 mutex_lock(&ioc->raid_data.inactive_list_mutex);
2344 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2346 if ((component_info->d.PhysDiskID == id) &&
2347 (component_info->d.PhysDiskBus == channel))
2348 rc = component_info->d.PhysDiskNum;
2350 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
2355 EXPORT_SYMBOL(mptscsih_raid_id_to_num);
2358 * OS entry point to allow for host driver to free allocated memory
2359 * Called if no device present or device being unloaded
2362 mptscsih_slave_destroy(struct scsi_device *sdev)
2364 struct Scsi_Host *host = sdev->host;
2365 MPT_SCSI_HOST *hd = shost_priv(host);
2366 VirtTarget *vtarget;
2367 VirtDevice *vdevice;
2368 struct scsi_target *starget;
2370 starget = scsi_target(sdev);
2371 vtarget = starget->hostdata;
2372 vdevice = sdev->hostdata;
2374 mptscsih_search_running_cmds(hd, vdevice);
2375 vtarget->num_luns--;
2376 mptscsih_synchronize_cache(hd, vdevice);
2378 sdev->hostdata = NULL;
2381 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2383 * mptscsih_change_queue_depth - This function will set a devices queue depth
2384 * @sdev: per scsi_device pointer
2385 * @qdepth: requested queue depth
2387 * Adding support for new 'change_queue_depth' api.
2390 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
2392 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
2393 VirtTarget *vtarget;
2394 struct scsi_target *starget;
2397 MPT_ADAPTER *ioc = hd->ioc;
2399 starget = scsi_target(sdev);
2400 vtarget = starget->hostdata;
2402 if (ioc->bus_type == SPI) {
2403 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
2405 else if (sdev->type == TYPE_DISK &&
2406 vtarget->minSyncFactor <= MPT_ULTRA160)
2407 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2409 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
2411 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2413 if (qdepth > max_depth)
2418 tagged = MSG_SIMPLE_TAG;
2420 scsi_adjust_queue_depth(sdev, tagged, qdepth);
2421 return sdev->queue_depth;
2425 * OS entry point to adjust the queue_depths on a per-device basis.
2426 * Called once per device the bus scan. Use it to force the queue_depth
2427 * member to 1 if a device does not support Q tags.
2428 * Return non-zero if fails.
2431 mptscsih_slave_configure(struct scsi_device *sdev)
2433 struct Scsi_Host *sh = sdev->host;
2434 VirtTarget *vtarget;
2435 VirtDevice *vdevice;
2436 struct scsi_target *starget;
2437 MPT_SCSI_HOST *hd = shost_priv(sh);
2438 MPT_ADAPTER *ioc = hd->ioc;
2440 starget = scsi_target(sdev);
2441 vtarget = starget->hostdata;
2442 vdevice = sdev->hostdata;
2444 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2445 "device @ %p, channel=%d, id=%d, lun=%d\n",
2446 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2447 if (ioc->bus_type == SPI)
2448 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2449 "sdtr %d wdtr %d ppr %d inq length=%d\n",
2450 ioc->name, sdev->sdtr, sdev->wdtr,
2451 sdev->ppr, sdev->inquiry_len));
2453 vdevice->configured_lun = 1;
2454 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
2456 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2457 "Queue depth=%d, tflags=%x\n",
2458 ioc->name, sdev->queue_depth, vtarget->tflags));
2460 if (ioc->bus_type == SPI)
2461 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2462 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
2463 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
2464 vtarget->minSyncFactor));
2466 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2467 "tagged %d, simple %d, ordered %d\n",
2468 ioc->name,sdev->tagged_supported, sdev->simple_tags,
2469 sdev->ordered_tags));
2474 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2476 * Private routines...
2479 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2480 /* Utility function to copy sense data from the scsi_cmnd buffer
2481 * to the FC and SCSI target structures.
2485 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
2487 VirtDevice *vdevice;
2488 SCSIIORequest_t *pReq;
2489 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
2490 MPT_ADAPTER *ioc = hd->ioc;
2492 /* Get target structure
2494 pReq = (SCSIIORequest_t *) mf;
2495 vdevice = sc->device->hostdata;
2501 /* Copy the sense received into the scsi command block. */
2502 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2503 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
2504 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2506 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2508 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
2509 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
2512 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
2513 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2514 ioc->events[idx].eventContext = ioc->eventContext;
2516 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2517 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2518 (sc->device->channel << 8) | sc->device->id;
2520 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
2522 ioc->eventContext++;
2523 if (ioc->pcidev->vendor ==
2524 PCI_VENDOR_ID_IBM) {
2525 mptscsih_issue_sep_command(ioc,
2526 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2527 vdevice->vtarget->tflags |=
2528 MPT_TARGET_FLAGS_LED_ON;
2533 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2539 * mptscsih_get_scsi_lookup
2540 * @ioc: Pointer to MPT_ADAPTER structure
2541 * @i: index into the array
2543 * retrieves scmd entry from ScsiLookup[] array list
2545 * Returns the scsi_cmd pointer
2547 static struct scsi_cmnd *
2548 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2550 unsigned long flags;
2551 struct scsi_cmnd *scmd;
2553 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2554 scmd = ioc->ScsiLookup[i];
2555 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2561 * mptscsih_getclear_scsi_lookup
2562 * @ioc: Pointer to MPT_ADAPTER structure
2563 * @i: index into the array
2565 * retrieves and clears scmd entry from ScsiLookup[] array list
2567 * Returns the scsi_cmd pointer
2569 static struct scsi_cmnd *
2570 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2572 unsigned long flags;
2573 struct scsi_cmnd *scmd;
2575 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2576 scmd = ioc->ScsiLookup[i];
2577 ioc->ScsiLookup[i] = NULL;
2578 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2584 * mptscsih_set_scsi_lookup
2586 * writes a scmd entry into the ScsiLookup[] array list
2588 * @ioc: Pointer to MPT_ADAPTER structure
2589 * @i: index into the array
2590 * @scmd: scsi_cmnd pointer
2594 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2596 unsigned long flags;
2598 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2599 ioc->ScsiLookup[i] = scmd;
2600 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2604 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
2605 * @ioc: Pointer to MPT_ADAPTER structure
2606 * @sc: scsi_cmnd pointer
2609 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2611 unsigned long flags;
2614 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2615 for (i = 0; i < ioc->req_depth; i++) {
2616 if (ioc->ScsiLookup[i] == sc) {
2623 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2627 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2629 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2632 unsigned long flags;
2634 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2635 ": IOC %s_reset routed to SCSI host driver!\n",
2636 ioc->name, reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
2637 reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
2639 /* If a FW reload request arrives after base installed but
2640 * before all scsi hosts have been attached, then an alt_ioc
2641 * may have a NULL sh pointer.
2643 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
2646 hd = shost_priv(ioc->sh);
2648 if (reset_phase == MPT_IOC_SETUP_RESET) {
2649 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Setup-Diag Reset\n", ioc->name));
2652 * 1. Set Hard Reset Pending Flag
2653 * All new commands go to doneQ
2655 hd->resetPending = 1;
2657 } else if (reset_phase == MPT_IOC_PRE_RESET) {
2658 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Pre-Diag Reset\n", ioc->name));
2660 /* 2. Flush running commands
2661 * Clean ScsiLookup (and associated memory)
2665 /* 2b. Reply to OS all known outstanding I/O commands.
2667 mptscsih_flush_running_cmds(hd);
2669 /* 2c. If there was an internal command that
2670 * has not completed, configuration or io request,
2671 * free these resources.
2674 del_timer(&hd->timer);
2675 mpt_free_msg_frame(ioc, hd->cmdPtr);
2678 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Pre-Reset complete.\n", ioc->name));
2681 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Post-Diag Reset\n", ioc->name));
2683 /* Once a FW reload begins, all new OS commands are
2684 * redirected to the doneQ w/ a reset status.
2685 * Init all control structures.
2688 /* 2. Chain Buffer initialization
2691 /* 4. Renegotiate to all devices, if SPI
2694 /* 5. Enable new commands to be posted
2696 spin_lock_irqsave(&ioc->FreeQlock, flags);
2698 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
2699 hd->resetPending = 0;
2700 hd->tmState = TM_STATE_NONE;
2702 /* 6. If there was an internal command,
2703 * wake this process up.
2707 * Wake up the original calling thread
2709 hd->pLocal = &hd->localReply;
2710 hd->pLocal->completion = MPT_SCANDV_DID_RESET;
2711 hd->scandv_wait_done = 1;
2712 wake_up(&hd->scandv_waitq);
2716 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Post-Reset complete.\n", ioc->name));
2720 return 1; /* currently means nothing really */
2723 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2725 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2728 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2730 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
2733 if (ioc->sh == NULL ||
2734 ((hd = shost_priv(ioc->sh)) == NULL))
2738 case MPI_EVENT_UNIT_ATTENTION: /* 03 */
2741 case MPI_EVENT_IOC_BUS_RESET: /* 04 */
2742 case MPI_EVENT_EXT_BUS_RESET: /* 05 */
2743 if (hd && (ioc->bus_type == SPI) && (hd->soft_resets < -1))
2746 case MPI_EVENT_LOGOUT: /* 09 */
2750 case MPI_EVENT_RESCAN: /* 06 */
2754 * CHECKME! Don't think we need to do
2755 * anything for these, but...
2757 case MPI_EVENT_LINK_STATUS_CHANGE: /* 07 */
2758 case MPI_EVENT_LOOP_STATE_CHANGE: /* 08 */
2760 * CHECKME! Falling thru...
2764 case MPI_EVENT_INTEGRATED_RAID: /* 0B */
2767 case MPI_EVENT_NONE: /* 00 */
2768 case MPI_EVENT_LOG_DATA: /* 01 */
2769 case MPI_EVENT_STATE_CHANGE: /* 02 */
2770 case MPI_EVENT_EVENT_CHANGE: /* 0A */
2772 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": Ignoring event (=%02Xh)\n",
2777 return 1; /* currently means nothing really */
2780 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2782 * Bus Scan and Domain Validation functionality ...
2785 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2787 * mptscsih_scandv_complete - Scan and DV callback routine registered
2788 * to Fustion MPT (base) driver.
2790 * @ioc: Pointer to MPT_ADAPTER structure
2791 * @mf: Pointer to original MPT request frame
2792 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2794 * This routine is called from mpt.c::mpt_interrupt() at the completion
2795 * of any SCSI IO request.
2796 * This routine is registered with the Fusion MPT (base) driver at driver
2797 * load/init time via the mpt_register() API call.
2799 * Returns 1 indicating alloc'd request frame ptr should be freed.
2801 * Remark: Sets a completion code and (possibly) saves sense data
2802 * in the IOC member localReply structure.
2803 * Used ONLY for DV and other internal commands.
2806 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
2809 SCSIIORequest_t *pReq;
2813 hd = shost_priv(ioc->sh);
2816 (mf >= MPT_INDEX_2_MFPTR(ioc, ioc->req_depth))) {
2817 printk(MYIOC_s_ERR_FMT
2818 "ScanDvComplete, %s req frame ptr! (=%p)\n",
2819 ioc->name, mf?"BAD":"NULL", (void *) mf);
2823 del_timer(&hd->timer);
2824 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2825 mptscsih_set_scsi_lookup(ioc, req_idx, NULL);
2826 pReq = (SCSIIORequest_t *) mf;
2828 if (mf != hd->cmdPtr) {
2829 printk(MYIOC_s_WARN_FMT "ScanDvComplete (mf=%p, cmdPtr=%p, idx=%d)\n",
2830 ioc->name, (void *)mf, (void *) hd->cmdPtr, req_idx);
2834 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScanDvComplete (mf=%p,mr=%p,idx=%d)\n",
2835 ioc->name, mf, mr, req_idx));
2837 hd->pLocal = &hd->localReply;
2838 hd->pLocal->scsiStatus = 0;
2840 /* If target struct exists, clear sense valid flag.
2843 completionCode = MPT_SCANDV_GOOD;
2845 SCSIIOReply_t *pReply;
2849 pReply = (SCSIIOReply_t *) mr;
2851 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2852 scsi_status = pReply->SCSIStatus;
2857 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2858 completionCode = MPT_SCANDV_SELECTION_TIMEOUT;
2861 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2862 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2863 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2864 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2865 completionCode = MPT_SCANDV_DID_RESET;
2868 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2869 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2870 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2871 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2872 ConfigReply_t *pr = (ConfigReply_t *)mr;
2873 completionCode = MPT_SCANDV_GOOD;
2874 hd->pLocal->header.PageVersion = pr->Header.PageVersion;
2875 hd->pLocal->header.PageLength = pr->Header.PageLength;
2876 hd->pLocal->header.PageNumber = pr->Header.PageNumber;
2877 hd->pLocal->header.PageType = pr->Header.PageType;
2879 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2880 /* If the RAID Volume request is successful,
2881 * return GOOD, else indicate that
2882 * some type of error occurred.
2884 MpiRaidActionReply_t *pr = (MpiRaidActionReply_t *)mr;
2885 if (le16_to_cpu(pr->ActionStatus) == MPI_RAID_ACTION_ASTATUS_SUCCESS)
2886 completionCode = MPT_SCANDV_GOOD;
2888 completionCode = MPT_SCANDV_SOME_ERROR;
2889 memcpy(hd->pLocal->sense, pr, sizeof(hd->pLocal->sense));
2891 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
2895 /* save sense data in global structure
2897 completionCode = MPT_SCANDV_SENSE;
2898 hd->pLocal->scsiStatus = scsi_status;
2899 sense_data = ((u8 *)ioc->sense_buf_pool +
2900 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2902 sz = min_t(int, pReq->SenseBufferLength,
2903 SCSI_STD_SENSE_BYTES);
2904 memcpy(hd->pLocal->sense, sense_data, sz);
2906 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Check Condition, sense ptr %p\n",
2907 ioc->name, sense_data));
2908 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2909 if (pReq->CDB[0] == INQUIRY)
2910 completionCode = MPT_SCANDV_ISSUE_SENSE;
2912 completionCode = MPT_SCANDV_DID_RESET;
2914 else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2915 completionCode = MPT_SCANDV_DID_RESET;
2916 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2917 completionCode = MPT_SCANDV_DID_RESET;
2919 completionCode = MPT_SCANDV_GOOD;
2920 hd->pLocal->scsiStatus = scsi_status;
2924 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2925 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2926 completionCode = MPT_SCANDV_DID_RESET;
2928 completionCode = MPT_SCANDV_SOME_ERROR;
2932 completionCode = MPT_SCANDV_SOME_ERROR;
2935 } /* switch(status) */
2937 } /* end of address reply case */
2939 hd->pLocal->completion = completionCode;
2941 /* MF and RF are freed in mpt_interrupt
2944 /* Free Chain buffers (will never chain) in scan or dv */
2945 //mptscsih_freeChainBuffers(ioc, req_idx);
2948 * Wake up the original calling thread
2950 hd->scandv_wait_done = 1;
2951 wake_up(&hd->scandv_waitq);
2956 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2957 /* mptscsih_timer_expired - Call back for timer process.
2958 * Used only for dv functionality.
2959 * @data: Pointer to MPT_SCSI_HOST recast as an unsigned long
2963 mptscsih_timer_expired(unsigned long data)
2965 MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *) data;
2966 MPT_ADAPTER *ioc = hd->ioc;
2968 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Timer Expired! Cmd %p\n", ioc->name, hd->cmdPtr));
2971 MPIHeader_t *cmd = (MPIHeader_t *)hd->cmdPtr;
2973 if (cmd->Function == MPI_FUNCTION_SCSI_IO_REQUEST) {
2974 /* Desire to issue a task management request here.
2975 * TM requests MUST be single threaded.
2976 * If old eh code and no TM current, issue request.
2977 * If new eh code, do nothing. Wait for OS cmd timeout
2981 /* Perform a FW reload */
2982 if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0) {
2983 printk(MYIOC_s_WARN_FMT "Firmware Reload FAILED!\n", ioc->name);
2987 /* This should NEVER happen */
2988 printk(MYIOC_s_WARN_FMT "Null cmdPtr!!!!\n", ioc->name);
2991 /* No more processing.
2992 * TM call will generate an interrupt for SCSI TM Management.
2993 * The FW will reply to all outstanding commands, callback will finish cleanup.
2994 * Hard reset clean-up will free all resources.
2996 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Timer Expired Complete!\n", ioc->name));
3002 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3004 * mptscsih_do_cmd - Do internal command.
3005 * @hd: MPT_SCSI_HOST pointer
3006 * @io: INTERNAL_CMD pointer.
3008 * Issue the specified internally generated command and do command
3009 * specific cleanup. For bus scan / DV only.
3010 * NOTES: If command is Inquiry and status is good,
3011 * initialize a target structure, save the data
3013 * Remark: Single threaded access only.
3016 * < 0 if an illegal command or no resources
3020 * > 0 if command complete but some type of completion error.
3023 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
3026 SCSIIORequest_t *pScsiReq;
3027 SCSIIORequest_t ReqCopy;
3028 int my_idx, ii, dir;
3032 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
3034 MPT_ADAPTER *ioc = hd->ioc;
3036 in_isr = in_interrupt();
3038 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Internal SCSI IO request not allowed in ISR context!\n",
3044 /* Set command specific information
3049 dir = MPI_SCSIIO_CONTROL_READ;
3055 case TEST_UNIT_READY:
3057 dir = MPI_SCSIIO_CONTROL_READ;
3063 dir = MPI_SCSIIO_CONTROL_READ;
3065 CDB[4] = 1; /*Spin up the disk */
3073 dir = MPI_SCSIIO_CONTROL_READ;
3079 dir = MPI_SCSIIO_CONTROL_READ;
3081 if (io->flags & MPT_ICFLAG_ECHO) {
3087 if (io->flags & MPT_ICFLAG_BUF_CAP) {
3090 CDB[6] = (io->size >> 16) & 0xFF;
3091 CDB[7] = (io->size >> 8) & 0xFF;
3092 CDB[8] = io->size & 0xFF;
3098 dir = MPI_SCSIIO_CONTROL_WRITE;
3100 if (io->flags & MPT_ICFLAG_ECHO) {
3105 CDB[6] = (io->size >> 16) & 0xFF;
3106 CDB[7] = (io->size >> 8) & 0xFF;
3107 CDB[8] = io->size & 0xFF;
3113 dir = MPI_SCSIIO_CONTROL_READ;
3120 dir = MPI_SCSIIO_CONTROL_READ;
3125 case SYNCHRONIZE_CACHE:
3127 dir = MPI_SCSIIO_CONTROL_READ;
3129 // CDB[1] = 0x02; /* set immediate bit */
3138 /* Get and Populate a free Frame
3140 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
3141 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "No msg frames!\n",
3146 pScsiReq = (SCSIIORequest_t *) mf;
3148 /* Get the request index */
3149 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
3150 ADD_INDEX_LOG(my_idx); /* for debug */
3152 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
3153 pScsiReq->TargetID = io->physDiskNum;
3155 pScsiReq->ChainOffset = 0;
3156 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
3158 pScsiReq->TargetID = io->id;
3159 pScsiReq->Bus = io->channel;
3160 pScsiReq->ChainOffset = 0;
3161 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
3164 pScsiReq->CDBLength = cmdLen;
3165 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
3167 pScsiReq->Reserved = 0;
3169 pScsiReq->MsgFlags = mpt_msg_flags();
3170 /* MsgContext set in mpt_get_msg_fram call */
3172 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
3174 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
3175 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
3177 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3179 if (cmd == REQUEST_SENSE) {
3180 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3181 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Untagged! 0x%2x\n",
3185 for (ii=0; ii < 16; ii++)
3186 pScsiReq->CDB[ii] = CDB[ii];
3188 pScsiReq->DataLength = cpu_to_le32(io->size);
3189 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
3190 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
3192 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Command 0x%x for (%d:%d:%d)\n",
3193 ioc->name, cmd, io->channel, io->id, io->lun));
3195 if (dir == MPI_SCSIIO_CONTROL_READ) {
3196 mpt_add_sge((char *) &pScsiReq->SGL,
3197 MPT_SGE_FLAGS_SSIMPLE_READ | io->size,
3200 mpt_add_sge((char *) &pScsiReq->SGL,
3201 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size,
3205 /* The ISR will free the request frame, but we need
3206 * the information to initialize the target. Duplicate.
3208 memcpy(&ReqCopy, pScsiReq, sizeof(SCSIIORequest_t));
3210 /* Issue this command after:
3213 * Wait until the reply has been received
3214 * ScsiScanDvCtx callback function will
3216 * set scandv_wait_done and call wake_up
3219 hd->timer.expires = jiffies + HZ*cmdTimeout;
3220 hd->scandv_wait_done = 0;
3222 /* Save cmd pointer, for resource free if timeout or
3227 add_timer(&hd->timer);
3228 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
3229 wait_event(hd->scandv_waitq, hd->scandv_wait_done);
3232 rc = hd->pLocal->completion;
3233 hd->pLocal->skip = 0;
3235 /* Always set fatal error codes in some cases.
3237 if (rc == MPT_SCANDV_SELECTION_TIMEOUT)
3239 else if (rc == MPT_SCANDV_SOME_ERROR)
3243 /* This should never happen. */
3244 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "_do_cmd: Null pLocal!!!\n",
3251 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3253 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3254 * @hd: Pointer to a SCSI HOST structure
3255 * @vdevice: virtual target device
3257 * Uses the ISR, but with special processing.
3258 * MUST be single-threaded.
3262 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3266 /* Ignore hidden raid components, this is handled when the command
3267 * is sent to the volume
3269 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3272 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3273 !vdevice->configured_lun)
3276 /* Following parameters will not change
3279 iocmd.cmd = SYNCHRONIZE_CACHE;
3281 iocmd.physDiskNum = -1;
3283 iocmd.data_dma = -1;
3285 iocmd.rsvd = iocmd.rsvd2 = 0;
3286 iocmd.channel = vdevice->vtarget->channel;
3287 iocmd.id = vdevice->vtarget->id;
3288 iocmd.lun = vdevice->lun;
3290 mptscsih_do_cmd(hd, &iocmd);
3294 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3297 struct Scsi_Host *host = class_to_shost(dev);
3298 MPT_SCSI_HOST *hd = shost_priv(host);
3299 MPT_ADAPTER *ioc = hd->ioc;
3301 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3302 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3303 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3304 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3305 ioc->facts.FWVersion.Word & 0x000000FF);
3307 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
3310 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3313 struct Scsi_Host *host = class_to_shost(dev);
3314 MPT_SCSI_HOST *hd = shost_priv(host);
3315 MPT_ADAPTER *ioc = hd->ioc;
3317 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3318 (ioc->biosVersion & 0xFF000000) >> 24,
3319 (ioc->biosVersion & 0x00FF0000) >> 16,
3320 (ioc->biosVersion & 0x0000FF00) >> 8,
3321 ioc->biosVersion & 0x000000FF);
3323 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
3326 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3329 struct Scsi_Host *host = class_to_shost(dev);
3330 MPT_SCSI_HOST *hd = shost_priv(host);
3331 MPT_ADAPTER *ioc = hd->ioc;
3333 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3335 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
3338 mptscsih_version_product_show(struct device *dev,
3339 struct device_attribute *attr,
3342 struct Scsi_Host *host = class_to_shost(dev);
3343 MPT_SCSI_HOST *hd = shost_priv(host);
3344 MPT_ADAPTER *ioc = hd->ioc;
3346 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3348 static DEVICE_ATTR(version_product, S_IRUGO,
3349 mptscsih_version_product_show, NULL);
3352 mptscsih_version_nvdata_persistent_show(struct device *dev,
3353 struct device_attribute *attr,
3356 struct Scsi_Host *host = class_to_shost(dev);
3357 MPT_SCSI_HOST *hd = shost_priv(host);
3358 MPT_ADAPTER *ioc = hd->ioc;
3360 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3361 ioc->nvdata_version_persistent);
3363 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
3364 mptscsih_version_nvdata_persistent_show, NULL);
3367 mptscsih_version_nvdata_default_show(struct device *dev,
3368 struct device_attribute *attr, char *buf)
3370 struct Scsi_Host *host = class_to_shost(dev);
3371 MPT_SCSI_HOST *hd = shost_priv(host);
3372 MPT_ADAPTER *ioc = hd->ioc;
3374 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3376 static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
3377 mptscsih_version_nvdata_default_show, NULL);
3380 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3383 struct Scsi_Host *host = class_to_shost(dev);
3384 MPT_SCSI_HOST *hd = shost_priv(host);
3385 MPT_ADAPTER *ioc = hd->ioc;
3387 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3389 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
3392 mptscsih_board_assembly_show(struct device *dev,
3393 struct device_attribute *attr, char *buf)
3395 struct Scsi_Host *host = class_to_shost(dev);
3396 MPT_SCSI_HOST *hd = shost_priv(host);
3397 MPT_ADAPTER *ioc = hd->ioc;
3399 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3401 static DEVICE_ATTR(board_assembly, S_IRUGO,
3402 mptscsih_board_assembly_show, NULL);
3405 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3408 struct Scsi_Host *host = class_to_shost(dev);
3409 MPT_SCSI_HOST *hd = shost_priv(host);
3410 MPT_ADAPTER *ioc = hd->ioc;
3412 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3414 static DEVICE_ATTR(board_tracer, S_IRUGO,
3415 mptscsih_board_tracer_show, NULL);
3418 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3421 struct Scsi_Host *host = class_to_shost(dev);
3422 MPT_SCSI_HOST *hd = shost_priv(host);
3423 MPT_ADAPTER *ioc = hd->ioc;
3425 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3427 static DEVICE_ATTR(io_delay, S_IRUGO,
3428 mptscsih_io_delay_show, NULL);
3431 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3434 struct Scsi_Host *host = class_to_shost(dev);
3435 MPT_SCSI_HOST *hd = shost_priv(host);
3436 MPT_ADAPTER *ioc = hd->ioc;
3438 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3440 static DEVICE_ATTR(device_delay, S_IRUGO,
3441 mptscsih_device_delay_show, NULL);
3444 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3447 struct Scsi_Host *host = class_to_shost(dev);
3448 MPT_SCSI_HOST *hd = shost_priv(host);
3449 MPT_ADAPTER *ioc = hd->ioc;
3451 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3454 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3455 const char *buf, size_t count)
3457 struct Scsi_Host *host = class_to_shost(dev);
3458 MPT_SCSI_HOST *hd = shost_priv(host);
3459 MPT_ADAPTER *ioc = hd->ioc;
3462 if (sscanf(buf, "%x", &val) != 1)
3465 ioc->debug_level = val;
3466 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3467 ioc->name, ioc->debug_level);
3470 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3471 mptscsih_debug_level_show, mptscsih_debug_level_store);
3473 struct device_attribute *mptscsih_host_attrs[] = {
3474 &dev_attr_version_fw,
3475 &dev_attr_version_bios,
3476 &dev_attr_version_mpi,
3477 &dev_attr_version_product,
3478 &dev_attr_version_nvdata_persistent,
3479 &dev_attr_version_nvdata_default,
3480 &dev_attr_board_name,
3481 &dev_attr_board_assembly,
3482 &dev_attr_board_tracer,
3484 &dev_attr_device_delay,
3485 &dev_attr_debug_level,
3488 EXPORT_SYMBOL(mptscsih_host_attrs);
3490 EXPORT_SYMBOL(mptscsih_remove);
3491 EXPORT_SYMBOL(mptscsih_shutdown);
3493 EXPORT_SYMBOL(mptscsih_suspend);
3494 EXPORT_SYMBOL(mptscsih_resume);
3496 EXPORT_SYMBOL(mptscsih_proc_info);
3497 EXPORT_SYMBOL(mptscsih_info);
3498 EXPORT_SYMBOL(mptscsih_qcmd);
3499 EXPORT_SYMBOL(mptscsih_slave_destroy);
3500 EXPORT_SYMBOL(mptscsih_slave_configure);
3501 EXPORT_SYMBOL(mptscsih_abort);
3502 EXPORT_SYMBOL(mptscsih_dev_reset);
3503 EXPORT_SYMBOL(mptscsih_bus_reset);
3504 EXPORT_SYMBOL(mptscsih_host_reset);
3505 EXPORT_SYMBOL(mptscsih_bios_param);
3506 EXPORT_SYMBOL(mptscsih_io_done);
3507 EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3508 EXPORT_SYMBOL(mptscsih_scandv_complete);
3509 EXPORT_SYMBOL(mptscsih_event_process);
3510 EXPORT_SYMBOL(mptscsih_ioc_reset);
3511 EXPORT_SYMBOL(mptscsih_change_queue_depth);
3512 EXPORT_SYMBOL(mptscsih_timer_expired);
3513 EXPORT_SYMBOL(mptscsih_TMHandler);
3515 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/