1 /* 2 * linux/drivers/message/fusion/mptscsih.c 3 * For use with LSI PCI chip/adapter(s) 4 * running LSI Fusion MPT (Message Passing Technology) firmware. 5 * 6 * Copyright (c) 1999-2008 LSI Corporation 7 * (mailto:DL-MPTFusionLinux@lsi.com) 8 * 9 */ 10 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 11 /* 12 This program is free software; you can redistribute it and/or modify 13 it under the terms of the GNU General Public License as published by 14 the Free Software Foundation; version 2 of the License. 15 16 This program is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 GNU General Public License for more details. 20 21 NO WARRANTY 22 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR 23 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT 24 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, 25 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is 26 solely responsible for determining the appropriateness of using and 27 distributing the Program and assumes all risks associated with its 28 exercise of rights under this Agreement, including but not limited to 29 the risks and costs of program errors, damage to or loss of data, 30 programs or equipment, and unavailability or interruption of operations. 31 32 DISCLAIMER OF LIABILITY 33 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY 34 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 35 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND 36 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 37 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 38 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED 39 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES 40 41 You should have received a copy of the GNU General Public License 42 along with this program; if not, write to the Free Software 43 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 44 */ 45 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 46 47 #include <linux/module.h> 48 #include <linux/kernel.h> 49 #include <linux/slab.h> 50 #include <linux/init.h> 51 #include <linux/errno.h> 52 #include <linux/kdev_t.h> 53 #include <linux/blkdev.h> 54 #include <linux/delay.h> /* for mdelay */ 55 #include <linux/interrupt.h> /* needed for in_interrupt() proto */ 56 #include <linux/reboot.h> /* notifier code */ 57 #include <linux/workqueue.h> 58 59 #include <scsi/scsi.h> 60 #include <scsi/scsi_cmnd.h> 61 #include <scsi/scsi_device.h> 62 #include <scsi/scsi_host.h> 63 #include <scsi/scsi_tcq.h> 64 #include <scsi/scsi_dbg.h> 65 66 #include "mptbase.h" 67 #include "mptscsih.h" 68 #include "lsi/mpi_log_sas.h" 69 70 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 71 #define my_NAME "Fusion MPT SCSI Host driver" 72 #define my_VERSION MPT_LINUX_VERSION_COMMON 73 #define MYNAM "mptscsih" 74 75 MODULE_AUTHOR(MODULEAUTHOR); 76 MODULE_DESCRIPTION(my_NAME); 77 MODULE_LICENSE("GPL"); 78 MODULE_VERSION(my_VERSION); 79 80 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 81 /* 82 * Other private/forward protos... 83 */ 84 struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i); 85 static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i); 86 static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd); 87 static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd); 88 int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); 89 static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq); 90 int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); 91 92 static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt, 93 SCSIIORequest_t *pReq, int req_idx); 94 static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx); 95 static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply); 96 97 int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, 98 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 void 104 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code); 105 static int mptscsih_get_completion_code(MPT_ADAPTER *ioc, 106 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply); 107 int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); 108 static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd); 109 static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice); 110 111 static int 112 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type, 113 SCSITaskMgmtReply_t *pScsiTmReply); 114 void mptscsih_remove(struct pci_dev *); 115 void mptscsih_shutdown(struct pci_dev *); 116 #ifdef CONFIG_PM 117 int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state); 118 int mptscsih_resume(struct pci_dev *pdev); 119 #endif 120 121 #define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE 122 123 124 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 125 /* 126 * mptscsih_getFreeChainBuffer - Function to get a free chain 127 * from the MPT_SCSI_HOST FreeChainQ. 128 * @ioc: Pointer to MPT_ADAPTER structure 129 * @req_idx: Index of the SCSI IO request frame. (output) 130 * 131 * return SUCCESS or FAILED 132 */ 133 static inline int 134 mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex) 135 { 136 MPT_FRAME_HDR *chainBuf; 137 unsigned long flags; 138 int rc; 139 int chain_idx; 140 141 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n", 142 ioc->name)); 143 spin_lock_irqsave(&ioc->FreeQlock, flags); 144 if (!list_empty(&ioc->FreeChainQ)) { 145 int offset; 146 147 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR, 148 u.frame.linkage.list); 149 list_del(&chainBuf->u.frame.linkage.list); 150 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer; 151 chain_idx = offset / ioc->req_sz; 152 rc = SUCCESS; 153 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT 154 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n", 155 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx)); 156 } else { 157 rc = FAILED; 158 chain_idx = MPT_HOST_NO_CHAIN; 159 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n", 160 ioc->name)); 161 } 162 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 163 164 *retIndex = chain_idx; 165 return rc; 166 } /* mptscsih_getFreeChainBuffer() */ 167 168 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 169 /* 170 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the 171 * SCSIIORequest_t Message Frame. 172 * @ioc: Pointer to MPT_ADAPTER structure 173 * @SCpnt: Pointer to scsi_cmnd structure 174 * @pReq: Pointer to SCSIIORequest_t structure 175 * 176 * Returns ... 177 */ 178 static int 179 mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt, 180 SCSIIORequest_t *pReq, int req_idx) 181 { 182 char *psge; 183 char *chainSge; 184 struct scatterlist *sg; 185 int frm_sz; 186 int sges_left, sg_done; 187 int chain_idx = MPT_HOST_NO_CHAIN; 188 int sgeOffset; 189 int numSgeSlots, numSgeThisFrame; 190 u32 sgflags, sgdir, thisxfer = 0; 191 int chain_dma_off = 0; 192 int newIndex; 193 int ii; 194 dma_addr_t v2; 195 u32 RequestNB; 196 197 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK; 198 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) { 199 sgdir = MPT_TRANSFER_HOST_TO_IOC; 200 } else { 201 sgdir = MPT_TRANSFER_IOC_TO_HOST; 202 } 203 204 psge = (char *) &pReq->SGL; 205 frm_sz = ioc->req_sz; 206 207 /* Map the data portion, if any. 208 * sges_left = 0 if no data transfer. 209 */ 210 sges_left = scsi_dma_map(SCpnt); 211 if (sges_left < 0) 212 return FAILED; 213 214 /* Handle the SG case. 215 */ 216 sg = scsi_sglist(SCpnt); 217 sg_done = 0; 218 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION); 219 chainSge = NULL; 220 221 /* Prior to entering this loop - the following must be set 222 * current MF: sgeOffset (bytes) 223 * chainSge (Null if original MF is not a chain buffer) 224 * sg_done (num SGE done for this MF) 225 */ 226 227 nextSGEset: 228 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size); 229 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots; 230 231 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir; 232 233 /* Get first (num - 1) SG elements 234 * Skip any SG entries with a length of 0 235 * NOTE: at finish, sg and psge pointed to NEXT data/location positions 236 */ 237 for (ii=0; ii < (numSgeThisFrame-1); ii++) { 238 thisxfer = sg_dma_len(sg); 239 if (thisxfer == 0) { 240 /* Get next SG element from the OS */ 241 sg = sg_next(sg); 242 sg_done++; 243 continue; 244 } 245 246 v2 = sg_dma_address(sg); 247 ioc->add_sge(psge, sgflags | thisxfer, v2); 248 249 /* Get next SG element from the OS */ 250 sg = sg_next(sg); 251 psge += ioc->SGE_size; 252 sgeOffset += ioc->SGE_size; 253 sg_done++; 254 } 255 256 if (numSgeThisFrame == sges_left) { 257 /* Add last element, end of buffer and end of list flags. 258 */ 259 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT | 260 MPT_SGE_FLAGS_END_OF_BUFFER | 261 MPT_SGE_FLAGS_END_OF_LIST; 262 263 /* Add last SGE and set termination flags. 264 * Note: Last SGE may have a length of 0 - which should be ok. 265 */ 266 thisxfer = sg_dma_len(sg); 267 268 v2 = sg_dma_address(sg); 269 ioc->add_sge(psge, sgflags | thisxfer, v2); 270 sgeOffset += ioc->SGE_size; 271 sg_done++; 272 273 if (chainSge) { 274 /* The current buffer is a chain buffer, 275 * but there is not another one. 276 * Update the chain element 277 * Offset and Length fields. 278 */ 279 ioc->add_chain((char *)chainSge, 0, sgeOffset, 280 ioc->ChainBufferDMA + chain_dma_off); 281 } else { 282 /* The current buffer is the original MF 283 * and there is no Chain buffer. 284 */ 285 pReq->ChainOffset = 0; 286 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03; 287 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT 288 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset)); 289 ioc->RequestNB[req_idx] = RequestNB; 290 } 291 } else { 292 /* At least one chain buffer is needed. 293 * Complete the first MF 294 * - last SGE element, set the LastElement bit 295 * - set ChainOffset (words) for orig MF 296 * (OR finish previous MF chain buffer) 297 * - update MFStructPtr ChainIndex 298 * - Populate chain element 299 * Also 300 * Loop until done. 301 */ 302 303 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n", 304 ioc->name, sg_done)); 305 306 /* Set LAST_ELEMENT flag for last non-chain element 307 * in the buffer. Since psge points at the NEXT 308 * SGE element, go back one SGE element, update the flags 309 * and reset the pointer. (Note: sgflags & thisxfer are already 310 * set properly). 311 */ 312 if (sg_done) { 313 u32 *ptmp = (u32 *) (psge - ioc->SGE_size); 314 sgflags = le32_to_cpu(*ptmp); 315 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT; 316 *ptmp = cpu_to_le32(sgflags); 317 } 318 319 if (chainSge) { 320 /* The current buffer is a chain buffer. 321 * chainSge points to the previous Chain Element. 322 * Update its chain element Offset and Length (must 323 * include chain element size) fields. 324 * Old chain element is now complete. 325 */ 326 u8 nextChain = (u8) (sgeOffset >> 2); 327 sgeOffset += ioc->SGE_size; 328 ioc->add_chain((char *)chainSge, nextChain, sgeOffset, 329 ioc->ChainBufferDMA + chain_dma_off); 330 } else { 331 /* The original MF buffer requires a chain buffer - 332 * set the offset. 333 * Last element in this MF is a chain element. 334 */ 335 pReq->ChainOffset = (u8) (sgeOffset >> 2); 336 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03; 337 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset)); 338 ioc->RequestNB[req_idx] = RequestNB; 339 } 340 341 sges_left -= sg_done; 342 343 344 /* NOTE: psge points to the beginning of the chain element 345 * in current buffer. Get a chain buffer. 346 */ 347 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) { 348 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 349 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n", 350 ioc->name, pReq->CDB[0], SCpnt)); 351 return FAILED; 352 } 353 354 /* Update the tracking arrays. 355 * If chainSge == NULL, update ReqToChain, else ChainToChain 356 */ 357 if (chainSge) { 358 ioc->ChainToChain[chain_idx] = newIndex; 359 } else { 360 ioc->ReqToChain[req_idx] = newIndex; 361 } 362 chain_idx = newIndex; 363 chain_dma_off = ioc->req_sz * chain_idx; 364 365 /* Populate the chainSGE for the current buffer. 366 * - Set chain buffer pointer to psge and fill 367 * out the Address and Flags fields. 368 */ 369 chainSge = (char *) psge; 370 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)", 371 ioc->name, psge, req_idx)); 372 373 /* Start the SGE for the next buffer 374 */ 375 psge = (char *) (ioc->ChainBuffer + chain_dma_off); 376 sgeOffset = 0; 377 sg_done = 0; 378 379 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n", 380 ioc->name, psge, chain_idx)); 381 382 /* Start the SGE for the next buffer 383 */ 384 385 goto nextSGEset; 386 } 387 388 return SUCCESS; 389 } /* mptscsih_AddSGE() */ 390 391 static void 392 mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget, 393 U32 SlotStatus) 394 { 395 MPT_FRAME_HDR *mf; 396 SEPRequest_t *SEPMsg; 397 398 if (ioc->bus_type != SAS) 399 return; 400 401 /* Not supported for hidden raid components 402 */ 403 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 404 return; 405 406 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) { 407 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n", 408 ioc->name,__func__)); 409 return; 410 } 411 412 SEPMsg = (SEPRequest_t *)mf; 413 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; 414 SEPMsg->Bus = vtarget->channel; 415 SEPMsg->TargetID = vtarget->id; 416 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS; 417 SEPMsg->SlotStatus = SlotStatus; 418 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 419 "Sending SEP cmd=%x channel=%d id=%d\n", 420 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID)); 421 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); 422 } 423 424 #ifdef CONFIG_FUSION_LOGGING 425 /** 426 * mptscsih_info_scsiio - debug print info on reply frame 427 * @ioc: Pointer to MPT_ADAPTER structure 428 * @sc: original scsi cmnd pointer 429 * @pScsiReply: Pointer to MPT reply frame 430 * 431 * MPT_DEBUG_REPLY needs to be enabled to obtain this info 432 * 433 * Refer to lsi/mpi.h. 434 **/ 435 static void 436 mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply) 437 { 438 char *desc = NULL; 439 char *desc1 = NULL; 440 u16 ioc_status; 441 u8 skey, asc, ascq; 442 443 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK; 444 445 switch (ioc_status) { 446 447 case MPI_IOCSTATUS_SUCCESS: 448 desc = "success"; 449 break; 450 case MPI_IOCSTATUS_SCSI_INVALID_BUS: 451 desc = "invalid bus"; 452 break; 453 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: 454 desc = "invalid target_id"; 455 break; 456 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 457 desc = "device not there"; 458 break; 459 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: 460 desc = "data overrun"; 461 break; 462 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: 463 desc = "data underrun"; 464 break; 465 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: 466 desc = "I/O data error"; 467 break; 468 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: 469 desc = "protocol error"; 470 break; 471 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: 472 desc = "task terminated"; 473 break; 474 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 475 desc = "residual mismatch"; 476 break; 477 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 478 desc = "task management failed"; 479 break; 480 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: 481 desc = "IOC terminated"; 482 break; 483 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: 484 desc = "ext terminated"; 485 break; 486 default: 487 desc = ""; 488 break; 489 } 490 491 switch (pScsiReply->SCSIStatus) 492 { 493 494 case MPI_SCSI_STATUS_SUCCESS: 495 desc1 = "success"; 496 break; 497 case MPI_SCSI_STATUS_CHECK_CONDITION: 498 desc1 = "check condition"; 499 break; 500 case MPI_SCSI_STATUS_CONDITION_MET: 501 desc1 = "condition met"; 502 break; 503 case MPI_SCSI_STATUS_BUSY: 504 desc1 = "busy"; 505 break; 506 case MPI_SCSI_STATUS_INTERMEDIATE: 507 desc1 = "intermediate"; 508 break; 509 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET: 510 desc1 = "intermediate condmet"; 511 break; 512 case MPI_SCSI_STATUS_RESERVATION_CONFLICT: 513 desc1 = "reservation conflict"; 514 break; 515 case MPI_SCSI_STATUS_COMMAND_TERMINATED: 516 desc1 = "command terminated"; 517 break; 518 case MPI_SCSI_STATUS_TASK_SET_FULL: 519 desc1 = "task set full"; 520 break; 521 case MPI_SCSI_STATUS_ACA_ACTIVE: 522 desc1 = "aca active"; 523 break; 524 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT: 525 desc1 = "fcpext device logged out"; 526 break; 527 case MPI_SCSI_STATUS_FCPEXT_NO_LINK: 528 desc1 = "fcpext no link"; 529 break; 530 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED: 531 desc1 = "fcpext unassigned"; 532 break; 533 default: 534 desc1 = ""; 535 break; 536 } 537 538 scsi_print_command(sc); 539 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %d\n", 540 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun); 541 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, " 542 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow, 543 scsi_get_resid(sc)); 544 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, " 545 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag), 546 le32_to_cpu(pScsiReply->TransferCount), sc->result); 547 548 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), " 549 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n", 550 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus, 551 pScsiReply->SCSIState); 552 553 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) { 554 skey = sc->sense_buffer[2] & 0x0F; 555 asc = sc->sense_buffer[12]; 556 ascq = sc->sense_buffer[13]; 557 558 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: " 559 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq); 560 } 561 562 /* 563 * Look for + dump FCP ResponseInfo[]! 564 */ 565 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID && 566 pScsiReply->ResponseInfo) 567 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n", 568 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo)); 569 } 570 #endif 571 572 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 573 /* 574 * mptscsih_io_done - Main SCSI IO callback routine registered to 575 * Fusion MPT (base) driver 576 * @ioc: Pointer to MPT_ADAPTER structure 577 * @mf: Pointer to original MPT request frame 578 * @r: Pointer to MPT reply frame (NULL if TurboReply) 579 * 580 * This routine is called from mpt.c::mpt_interrupt() at the completion 581 * of any SCSI IO request. 582 * This routine is registered with the Fusion MPT (base) driver at driver 583 * load/init time via the mpt_register() API call. 584 * 585 * Returns 1 indicating alloc'd request frame ptr should be freed. 586 */ 587 int 588 mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) 589 { 590 struct scsi_cmnd *sc; 591 MPT_SCSI_HOST *hd; 592 SCSIIORequest_t *pScsiReq; 593 SCSIIOReply_t *pScsiReply; 594 u16 req_idx, req_idx_MR; 595 VirtDevice *vdevice; 596 VirtTarget *vtarget; 597 598 hd = shost_priv(ioc->sh); 599 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 600 req_idx_MR = (mr != NULL) ? 601 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx; 602 603 /* Special case, where already freed message frame is received from 604 * Firmware. It happens with Resetting IOC. 605 * Return immediately. Do not care 606 */ 607 if ((req_idx != req_idx_MR) || 608 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf)) 609 return 0; 610 611 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx); 612 if (sc == NULL) { 613 MPIHeader_t *hdr = (MPIHeader_t *)mf; 614 615 /* Remark: writeSDP1 will use the ScsiDoneCtx 616 * If a SCSI I/O cmd, device disabled by OS and 617 * completion done. Cannot touch sc struct. Just free mem. 618 */ 619 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST) 620 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n", 621 ioc->name); 622 623 mptscsih_freeChainBuffers(ioc, req_idx); 624 return 1; 625 } 626 627 if ((unsigned char *)mf != sc->host_scribble) { 628 mptscsih_freeChainBuffers(ioc, req_idx); 629 return 1; 630 } 631 632 if (ioc->bus_type == SAS) { 633 VirtDevice *vdevice = sc->device->hostdata; 634 635 if (!vdevice || !vdevice->vtarget || 636 vdevice->vtarget->deleted) { 637 sc->result = DID_NO_CONNECT << 16; 638 goto out; 639 } 640 } 641 642 sc->host_scribble = NULL; 643 sc->result = DID_OK << 16; /* Set default reply as OK */ 644 pScsiReq = (SCSIIORequest_t *) mf; 645 pScsiReply = (SCSIIOReply_t *) mr; 646 647 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){ 648 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT 649 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n", 650 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag)); 651 }else{ 652 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT 653 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n", 654 ioc->name, mf, mr, sc, req_idx)); 655 } 656 657 if (pScsiReply == NULL) { 658 /* special context reply handling */ 659 ; 660 } else { 661 u32 xfer_cnt; 662 u16 status; 663 u8 scsi_state, scsi_status; 664 u32 log_info; 665 666 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK; 667 scsi_state = pScsiReply->SCSIState; 668 scsi_status = pScsiReply->SCSIStatus; 669 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount); 670 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt); 671 log_info = le32_to_cpu(pScsiReply->IOCLogInfo); 672 673 /* 674 * if we get a data underrun indication, yet no data was 675 * transferred and the SCSI status indicates that the 676 * command was never started, change the data underrun 677 * to success 678 */ 679 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && 680 (scsi_status == MPI_SCSI_STATUS_BUSY || 681 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT || 682 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) { 683 status = MPI_IOCSTATUS_SUCCESS; 684 } 685 686 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) 687 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply); 688 689 /* 690 * Look for + dump FCP ResponseInfo[]! 691 */ 692 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID && 693 pScsiReply->ResponseInfo) { 694 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%d] " 695 "FCP_ResponseInfo=%08xh\n", ioc->name, 696 sc->device->host->host_no, sc->device->channel, 697 sc->device->id, sc->device->lun, 698 le32_to_cpu(pScsiReply->ResponseInfo)); 699 } 700 701 switch(status) { 702 case MPI_IOCSTATUS_BUSY: /* 0x0002 */ 703 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */ 704 /* CHECKME! 705 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry) 706 * But not: DID_BUS_BUSY lest one risk 707 * killing interrupt handler:-( 708 */ 709 sc->result = SAM_STAT_BUSY; 710 break; 711 712 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */ 713 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */ 714 sc->result = DID_BAD_TARGET << 16; 715 break; 716 717 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ 718 /* Spoof to SCSI Selection Timeout! */ 719 if (ioc->bus_type != FC) 720 sc->result = DID_NO_CONNECT << 16; 721 /* else fibre, just stall until rescan event */ 722 else 723 sc->result = DID_REQUEUE << 16; 724 725 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF) 726 hd->sel_timeout[pScsiReq->TargetID]++; 727 728 vdevice = sc->device->hostdata; 729 if (!vdevice) 730 break; 731 vtarget = vdevice->vtarget; 732 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) { 733 mptscsih_issue_sep_command(ioc, vtarget, 734 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED); 735 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON; 736 } 737 break; 738 739 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ 740 if ( ioc->bus_type == SAS ) { 741 u16 ioc_status = le16_to_cpu(pScsiReply->IOCStatus); 742 if (ioc_status & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) { 743 if ((log_info & SAS_LOGINFO_MASK) 744 == SAS_LOGINFO_NEXUS_LOSS) { 745 sc->result = (DID_BUS_BUSY << 16); 746 break; 747 } 748 } 749 } else if (ioc->bus_type == FC) { 750 /* 751 * The FC IOC may kill a request for variety of 752 * reasons, some of which may be recovered by a 753 * retry, some which are unlikely to be 754 * recovered. Return DID_ERROR instead of 755 * DID_RESET to permit retry of the command, 756 * just not an infinite number of them 757 */ 758 sc->result = DID_ERROR << 16; 759 break; 760 } 761 762 /* 763 * Allow non-SAS & non-NEXUS_LOSS to drop into below code 764 */ 765 766 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ 767 /* Linux handles an unsolicited DID_RESET better 768 * than an unsolicited DID_ABORT. 769 */ 770 sc->result = DID_RESET << 16; 771 772 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ 773 if (ioc->bus_type == FC) 774 sc->result = DID_ERROR << 16; 775 else 776 sc->result = DID_RESET << 16; 777 break; 778 779 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */ 780 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt); 781 if((xfer_cnt==0)||(sc->underflow > xfer_cnt)) 782 sc->result=DID_SOFT_ERROR << 16; 783 else /* Sufficient data transfer occurred */ 784 sc->result = (DID_OK << 16) | scsi_status; 785 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 786 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n", 787 ioc->name, sc->result, sc->device->channel, sc->device->id)); 788 break; 789 790 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ 791 /* 792 * Do upfront check for valid SenseData and give it 793 * precedence! 794 */ 795 sc->result = (DID_OK << 16) | scsi_status; 796 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) { 797 798 /* 799 * For an Errata on LSI53C1030 800 * When the length of request data 801 * and transfer data are different 802 * with result of command (READ or VERIFY), 803 * DID_SOFT_ERROR is set. 804 */ 805 if (ioc->bus_type == SPI) { 806 if (pScsiReq->CDB[0] == READ_6 || 807 pScsiReq->CDB[0] == READ_10 || 808 pScsiReq->CDB[0] == READ_12 || 809 pScsiReq->CDB[0] == READ_16 || 810 pScsiReq->CDB[0] == VERIFY || 811 pScsiReq->CDB[0] == VERIFY_16) { 812 if (scsi_bufflen(sc) != 813 xfer_cnt) { 814 sc->result = 815 DID_SOFT_ERROR << 16; 816 printk(KERN_WARNING "Errata" 817 "on LSI53C1030 occurred." 818 "sc->req_bufflen=0x%02x," 819 "xfer_cnt=0x%02x\n", 820 scsi_bufflen(sc), 821 xfer_cnt); 822 } 823 } 824 } 825 826 if (xfer_cnt < sc->underflow) { 827 if (scsi_status == SAM_STAT_BUSY) 828 sc->result = SAM_STAT_BUSY; 829 else 830 sc->result = DID_SOFT_ERROR << 16; 831 } 832 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) { 833 /* What to do? 834 */ 835 sc->result = DID_SOFT_ERROR << 16; 836 } 837 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) { 838 /* Not real sure here either... */ 839 sc->result = DID_RESET << 16; 840 } 841 } 842 843 844 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 845 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n", 846 ioc->name, sc->underflow)); 847 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 848 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt)); 849 850 /* Report Queue Full 851 */ 852 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL) 853 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); 854 855 break; 856 857 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */ 858 scsi_set_resid(sc, 0); 859 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ 860 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ 861 sc->result = (DID_OK << 16) | scsi_status; 862 if (scsi_state == 0) { 863 ; 864 } else if (scsi_state & 865 MPI_SCSI_STATE_AUTOSENSE_VALID) { 866 867 /* 868 * For potential trouble on LSI53C1030. 869 * (date:2007.xx.) 870 * It is checked whether the length of 871 * request data is equal to 872 * the length of transfer and residual. 873 * MEDIUM_ERROR is set by incorrect data. 874 */ 875 if ((ioc->bus_type == SPI) && 876 (sc->sense_buffer[2] & 0x20)) { 877 u32 difftransfer; 878 difftransfer = 879 sc->sense_buffer[3] << 24 | 880 sc->sense_buffer[4] << 16 | 881 sc->sense_buffer[5] << 8 | 882 sc->sense_buffer[6]; 883 if (((sc->sense_buffer[3] & 0x80) == 884 0x80) && (scsi_bufflen(sc) 885 != xfer_cnt)) { 886 sc->sense_buffer[2] = 887 MEDIUM_ERROR; 888 sc->sense_buffer[12] = 0xff; 889 sc->sense_buffer[13] = 0xff; 890 printk(KERN_WARNING"Errata" 891 "on LSI53C1030 occurred." 892 "sc->req_bufflen=0x%02x," 893 "xfer_cnt=0x%02x\n" , 894 scsi_bufflen(sc), 895 xfer_cnt); 896 } 897 if (((sc->sense_buffer[3] & 0x80) 898 != 0x80) && 899 (scsi_bufflen(sc) != 900 xfer_cnt + difftransfer)) { 901 sc->sense_buffer[2] = 902 MEDIUM_ERROR; 903 sc->sense_buffer[12] = 0xff; 904 sc->sense_buffer[13] = 0xff; 905 printk(KERN_WARNING 906 "Errata on LSI53C1030 occurred" 907 "sc->req_bufflen=0x%02x," 908 " xfer_cnt=0x%02x," 909 "difftransfer=0x%02x\n", 910 scsi_bufflen(sc), 911 xfer_cnt, 912 difftransfer); 913 } 914 } 915 916 /* 917 * If running against circa 200003dd 909 MPT f/w, 918 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL 919 * (QUEUE_FULL) returned from device! --> get 0x0000?128 920 * and with SenseBytes set to 0. 921 */ 922 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL) 923 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); 924 925 } 926 else if (scsi_state & 927 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS) 928 ) { 929 /* 930 * What to do? 931 */ 932 sc->result = DID_SOFT_ERROR << 16; 933 } 934 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) { 935 /* Not real sure here either... */ 936 sc->result = DID_RESET << 16; 937 } 938 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) { 939 /* Device Inq. data indicates that it supports 940 * QTags, but rejects QTag messages. 941 * This command completed OK. 942 * 943 * Not real sure here either so do nothing... */ 944 } 945 946 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL) 947 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); 948 949 /* Add handling of: 950 * Reservation Conflict, Busy, 951 * Command Terminated, CHECK 952 */ 953 break; 954 955 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ 956 sc->result = DID_SOFT_ERROR << 16; 957 break; 958 959 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */ 960 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */ 961 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */ 962 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */ 963 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */ 964 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */ 965 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ 966 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */ 967 default: 968 /* 969 * What to do? 970 */ 971 sc->result = DID_SOFT_ERROR << 16; 972 break; 973 974 } /* switch(status) */ 975 976 #ifdef CONFIG_FUSION_LOGGING 977 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY)) 978 mptscsih_info_scsiio(ioc, sc, pScsiReply); 979 #endif 980 981 } /* end of address reply case */ 982 out: 983 /* Unmap the DMA buffers, if any. */ 984 scsi_dma_unmap(sc); 985 986 sc->scsi_done(sc); /* Issue the command callback */ 987 988 /* Free Chain buffers */ 989 mptscsih_freeChainBuffers(ioc, req_idx); 990 return 1; 991 } 992 993 /* 994 * mptscsih_flush_running_cmds - For each command found, search 995 * Scsi_Host instance taskQ and reply to OS. 996 * Called only if recovering from a FW reload. 997 * @hd: Pointer to a SCSI HOST structure 998 * 999 * Returns: None. 1000 * 1001 * Must be called while new I/Os are being queued. 1002 */ 1003 static void 1004 mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd) 1005 { 1006 MPT_ADAPTER *ioc = hd->ioc; 1007 struct scsi_cmnd *sc; 1008 SCSIIORequest_t *mf = NULL; 1009 int ii; 1010 int channel, id; 1011 1012 for (ii= 0; ii < ioc->req_depth; ii++) { 1013 sc = mptscsih_getclear_scsi_lookup(ioc, ii); 1014 if (!sc) 1015 continue; 1016 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii); 1017 if (!mf) 1018 continue; 1019 channel = mf->Bus; 1020 id = mf->TargetID; 1021 mptscsih_freeChainBuffers(ioc, ii); 1022 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf); 1023 if ((unsigned char *)mf != sc->host_scribble) 1024 continue; 1025 scsi_dma_unmap(sc); 1026 sc->result = DID_RESET << 16; 1027 sc->host_scribble = NULL; 1028 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT 1029 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, " 1030 "idx=%x\n", ioc->name, channel, id, sc, mf, ii)); 1031 sc->scsi_done(sc); 1032 } 1033 } 1034 1035 /* 1036 * mptscsih_search_running_cmds - Delete any commands associated 1037 * with the specified target and lun. Function called only 1038 * when a lun is disable by mid-layer. 1039 * Do NOT access the referenced scsi_cmnd structure or 1040 * members. Will cause either a paging or NULL ptr error. 1041 * (BUT, BUT, BUT, the code does reference it! - mdr) 1042 * @hd: Pointer to a SCSI HOST structure 1043 * @vdevice: per device private data 1044 * 1045 * Returns: None. 1046 * 1047 * Called from slave_destroy. 1048 */ 1049 static void 1050 mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice) 1051 { 1052 SCSIIORequest_t *mf = NULL; 1053 int ii; 1054 struct scsi_cmnd *sc; 1055 struct scsi_lun lun; 1056 MPT_ADAPTER *ioc = hd->ioc; 1057 unsigned long flags; 1058 1059 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 1060 for (ii = 0; ii < ioc->req_depth; ii++) { 1061 if ((sc = ioc->ScsiLookup[ii]) != NULL) { 1062 1063 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii); 1064 if (mf == NULL) 1065 continue; 1066 /* If the device is a hidden raid component, then its 1067 * expected that the mf->function will be RAID_SCSI_IO 1068 */ 1069 if (vdevice->vtarget->tflags & 1070 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function != 1071 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) 1072 continue; 1073 1074 int_to_scsilun(vdevice->lun, &lun); 1075 if ((mf->Bus != vdevice->vtarget->channel) || 1076 (mf->TargetID != vdevice->vtarget->id) || 1077 memcmp(lun.scsi_lun, mf->LUN, 8)) 1078 continue; 1079 1080 if ((unsigned char *)mf != sc->host_scribble) 1081 continue; 1082 ioc->ScsiLookup[ii] = NULL; 1083 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1084 mptscsih_freeChainBuffers(ioc, ii); 1085 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf); 1086 scsi_dma_unmap(sc); 1087 sc->host_scribble = NULL; 1088 sc->result = DID_NO_CONNECT << 16; 1089 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, 1090 MYIOC_s_FMT "completing cmds: fw_channel %d, " 1091 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name, 1092 vdevice->vtarget->channel, vdevice->vtarget->id, 1093 sc, mf, ii)); 1094 sc->scsi_done(sc); 1095 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 1096 } 1097 } 1098 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1099 return; 1100 } 1101 1102 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1103 1104 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1105 /* 1106 * mptscsih_report_queue_full - Report QUEUE_FULL status returned 1107 * from a SCSI target device. 1108 * @sc: Pointer to scsi_cmnd structure 1109 * @pScsiReply: Pointer to SCSIIOReply_t 1110 * @pScsiReq: Pointer to original SCSI request 1111 * 1112 * This routine periodically reports QUEUE_FULL status returned from a 1113 * SCSI target device. It reports this to the console via kernel 1114 * printk() API call, not more than once every 10 seconds. 1115 */ 1116 static void 1117 mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq) 1118 { 1119 long time = jiffies; 1120 MPT_SCSI_HOST *hd; 1121 MPT_ADAPTER *ioc; 1122 1123 if (sc->device == NULL) 1124 return; 1125 if (sc->device->host == NULL) 1126 return; 1127 if ((hd = shost_priv(sc->device->host)) == NULL) 1128 return; 1129 ioc = hd->ioc; 1130 if (time - hd->last_queue_full > 10 * HZ) { 1131 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n", 1132 ioc->name, 0, sc->device->id, sc->device->lun)); 1133 hd->last_queue_full = time; 1134 } 1135 } 1136 1137 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1138 /* 1139 * mptscsih_remove - Removed scsi devices 1140 * @pdev: Pointer to pci_dev structure 1141 * 1142 * 1143 */ 1144 void 1145 mptscsih_remove(struct pci_dev *pdev) 1146 { 1147 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1148 struct Scsi_Host *host = ioc->sh; 1149 MPT_SCSI_HOST *hd; 1150 int sz1; 1151 1152 scsi_remove_host(host); 1153 1154 if((hd = shost_priv(host)) == NULL) 1155 return; 1156 1157 mptscsih_shutdown(pdev); 1158 1159 sz1=0; 1160 1161 if (ioc->ScsiLookup != NULL) { 1162 sz1 = ioc->req_depth * sizeof(void *); 1163 kfree(ioc->ScsiLookup); 1164 ioc->ScsiLookup = NULL; 1165 } 1166 1167 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1168 "Free'd ScsiLookup (%d) memory\n", 1169 ioc->name, sz1)); 1170 1171 kfree(hd->info_kbuf); 1172 1173 /* NULL the Scsi_Host pointer 1174 */ 1175 ioc->sh = NULL; 1176 1177 scsi_host_put(host); 1178 1179 mpt_detach(pdev); 1180 1181 } 1182 1183 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1184 /* 1185 * mptscsih_shutdown - reboot notifier 1186 * 1187 */ 1188 void 1189 mptscsih_shutdown(struct pci_dev *pdev) 1190 { 1191 } 1192 1193 #ifdef CONFIG_PM 1194 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1195 /* 1196 * mptscsih_suspend - Fusion MPT scsi driver suspend routine. 1197 * 1198 * 1199 */ 1200 int 1201 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state) 1202 { 1203 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1204 1205 scsi_block_requests(ioc->sh); 1206 flush_scheduled_work(); 1207 mptscsih_shutdown(pdev); 1208 return mpt_suspend(pdev,state); 1209 } 1210 1211 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1212 /* 1213 * mptscsih_resume - Fusion MPT scsi driver resume routine. 1214 * 1215 * 1216 */ 1217 int 1218 mptscsih_resume(struct pci_dev *pdev) 1219 { 1220 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1221 int rc; 1222 1223 rc = mpt_resume(pdev); 1224 scsi_unblock_requests(ioc->sh); 1225 return rc; 1226 } 1227 1228 #endif 1229 1230 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1231 /** 1232 * mptscsih_info - Return information about MPT adapter 1233 * @SChost: Pointer to Scsi_Host structure 1234 * 1235 * (linux scsi_host_template.info routine) 1236 * 1237 * Returns pointer to buffer where information was written. 1238 */ 1239 const char * 1240 mptscsih_info(struct Scsi_Host *SChost) 1241 { 1242 MPT_SCSI_HOST *h; 1243 int size = 0; 1244 1245 h = shost_priv(SChost); 1246 1247 if (h) { 1248 if (h->info_kbuf == NULL) 1249 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL) 1250 return h->info_kbuf; 1251 h->info_kbuf[0] = '\0'; 1252 1253 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0); 1254 h->info_kbuf[size-1] = '\0'; 1255 } 1256 1257 return h->info_kbuf; 1258 } 1259 1260 struct info_str { 1261 char *buffer; 1262 int length; 1263 int offset; 1264 int pos; 1265 }; 1266 1267 static void 1268 mptscsih_copy_mem_info(struct info_str *info, char *data, int len) 1269 { 1270 if (info->pos + len > info->length) 1271 len = info->length - info->pos; 1272 1273 if (info->pos + len < info->offset) { 1274 info->pos += len; 1275 return; 1276 } 1277 1278 if (info->pos < info->offset) { 1279 data += (info->offset - info->pos); 1280 len -= (info->offset - info->pos); 1281 } 1282 1283 if (len > 0) { 1284 memcpy(info->buffer + info->pos, data, len); 1285 info->pos += len; 1286 } 1287 } 1288 1289 static int 1290 mptscsih_copy_info(struct info_str *info, char *fmt, ...) 1291 { 1292 va_list args; 1293 char buf[81]; 1294 int len; 1295 1296 va_start(args, fmt); 1297 len = vsprintf(buf, fmt, args); 1298 va_end(args); 1299 1300 mptscsih_copy_mem_info(info, buf, len); 1301 return len; 1302 } 1303 1304 static int 1305 mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len) 1306 { 1307 struct info_str info; 1308 1309 info.buffer = pbuf; 1310 info.length = len; 1311 info.offset = offset; 1312 info.pos = 0; 1313 1314 mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name); 1315 mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word); 1316 mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts); 1317 mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth); 1318 1319 return ((info.pos > info.offset) ? info.pos - info.offset : 0); 1320 } 1321 1322 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1323 /** 1324 * mptscsih_proc_info - Return information about MPT adapter 1325 * @host: scsi host struct 1326 * @buffer: if write, user data; if read, buffer for user 1327 * @start: returns the buffer address 1328 * @offset: if write, 0; if read, the current offset into the buffer from 1329 * the previous read. 1330 * @length: if write, return length; 1331 * @func: write = 1; read = 0 1332 * 1333 * (linux scsi_host_template.info routine) 1334 */ 1335 int 1336 mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset, 1337 int length, int func) 1338 { 1339 MPT_SCSI_HOST *hd = shost_priv(host); 1340 MPT_ADAPTER *ioc = hd->ioc; 1341 int size = 0; 1342 1343 if (func) { 1344 /* 1345 * write is not supported 1346 */ 1347 } else { 1348 if (start) 1349 *start = buffer; 1350 1351 size = mptscsih_host_info(ioc, buffer, offset, length); 1352 } 1353 1354 return size; 1355 } 1356 1357 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1358 #define ADD_INDEX_LOG(req_ent) do { } while(0) 1359 1360 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1361 /** 1362 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine. 1363 * @SCpnt: Pointer to scsi_cmnd structure 1364 * @done: Pointer SCSI mid-layer IO completion function 1365 * 1366 * (linux scsi_host_template.queuecommand routine) 1367 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest 1368 * from a linux scsi_cmnd request and send it to the IOC. 1369 * 1370 * Returns 0. (rtn value discarded by linux scsi mid-layer) 1371 */ 1372 int 1373 mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) 1374 { 1375 MPT_SCSI_HOST *hd; 1376 MPT_FRAME_HDR *mf; 1377 SCSIIORequest_t *pScsiReq; 1378 VirtDevice *vdevice = SCpnt->device->hostdata; 1379 u32 datalen; 1380 u32 scsictl; 1381 u32 scsidir; 1382 u32 cmd_len; 1383 int my_idx; 1384 int ii; 1385 MPT_ADAPTER *ioc; 1386 1387 hd = shost_priv(SCpnt->device->host); 1388 ioc = hd->ioc; 1389 SCpnt->scsi_done = done; 1390 1391 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n", 1392 ioc->name, SCpnt, done)); 1393 1394 if (ioc->taskmgmt_quiesce_io) { 1395 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "qcmd: SCpnt=%p timeout + 60HZ\n", 1396 ioc->name, SCpnt)); 1397 return SCSI_MLQUEUE_HOST_BUSY; 1398 } 1399 1400 /* 1401 * Put together a MPT SCSI request... 1402 */ 1403 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) { 1404 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n", 1405 ioc->name)); 1406 return SCSI_MLQUEUE_HOST_BUSY; 1407 } 1408 1409 pScsiReq = (SCSIIORequest_t *) mf; 1410 1411 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 1412 1413 ADD_INDEX_LOG(my_idx); 1414 1415 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)! 1416 * Seems we may receive a buffer (datalen>0) even when there 1417 * will be no data transfer! GRRRRR... 1418 */ 1419 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) { 1420 datalen = scsi_bufflen(SCpnt); 1421 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */ 1422 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) { 1423 datalen = scsi_bufflen(SCpnt); 1424 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */ 1425 } else { 1426 datalen = 0; 1427 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER; 1428 } 1429 1430 /* Default to untagged. Once a target structure has been allocated, 1431 * use the Inquiry data to determine if device supports tagged. 1432 */ 1433 if (vdevice 1434 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) 1435 && (SCpnt->device->tagged_supported)) { 1436 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ; 1437 if (SCpnt->request && SCpnt->request->ioprio) { 1438 if (((SCpnt->request->ioprio & 0x7) == 1) || 1439 !(SCpnt->request->ioprio & 0x7)) 1440 scsictl |= MPI_SCSIIO_CONTROL_HEADOFQ; 1441 } 1442 } else 1443 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED; 1444 1445 1446 /* Use the above information to set up the message frame 1447 */ 1448 pScsiReq->TargetID = (u8) vdevice->vtarget->id; 1449 pScsiReq->Bus = vdevice->vtarget->channel; 1450 pScsiReq->ChainOffset = 0; 1451 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 1452 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 1453 else 1454 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 1455 pScsiReq->CDBLength = SCpnt->cmd_len; 1456 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 1457 pScsiReq->Reserved = 0; 1458 pScsiReq->MsgFlags = mpt_msg_flags(ioc); 1459 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN); 1460 pScsiReq->Control = cpu_to_le32(scsictl); 1461 1462 /* 1463 * Write SCSI CDB into the message 1464 */ 1465 cmd_len = SCpnt->cmd_len; 1466 for (ii=0; ii < cmd_len; ii++) 1467 pScsiReq->CDB[ii] = SCpnt->cmnd[ii]; 1468 1469 for (ii=cmd_len; ii < 16; ii++) 1470 pScsiReq->CDB[ii] = 0; 1471 1472 /* DataLength */ 1473 pScsiReq->DataLength = cpu_to_le32(datalen); 1474 1475 /* SenseBuffer low address */ 1476 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma 1477 + (my_idx * MPT_SENSE_BUFFER_ALLOC)); 1478 1479 /* Now add the SG list 1480 * Always have a SGE even if null length. 1481 */ 1482 if (datalen == 0) { 1483 /* Add a NULL SGE */ 1484 ioc->add_sge((char *)&pScsiReq->SGL, 1485 MPT_SGE_FLAGS_SSIMPLE_READ | 0, 1486 (dma_addr_t) -1); 1487 } else { 1488 /* Add a 32 or 64 bit SGE */ 1489 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS) 1490 goto fail; 1491 } 1492 1493 SCpnt->host_scribble = (unsigned char *)mf; 1494 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt); 1495 1496 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); 1497 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n", 1498 ioc->name, SCpnt, mf, my_idx)); 1499 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf); 1500 return 0; 1501 1502 fail: 1503 mptscsih_freeChainBuffers(ioc, my_idx); 1504 mpt_free_msg_frame(ioc, mf); 1505 return SCSI_MLQUEUE_HOST_BUSY; 1506 } 1507 1508 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1509 /* 1510 * mptscsih_freeChainBuffers - Function to free chain buffers associated 1511 * with a SCSI IO request 1512 * @hd: Pointer to the MPT_SCSI_HOST instance 1513 * @req_idx: Index of the SCSI IO request frame. 1514 * 1515 * Called if SG chain buffer allocation fails and mptscsih callbacks. 1516 * No return. 1517 */ 1518 static void 1519 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx) 1520 { 1521 MPT_FRAME_HDR *chain; 1522 unsigned long flags; 1523 int chain_idx; 1524 int next; 1525 1526 /* Get the first chain index and reset 1527 * tracker state. 1528 */ 1529 chain_idx = ioc->ReqToChain[req_idx]; 1530 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN; 1531 1532 while (chain_idx != MPT_HOST_NO_CHAIN) { 1533 1534 /* Save the next chain buffer index */ 1535 next = ioc->ChainToChain[chain_idx]; 1536 1537 /* Free this chain buffer and reset 1538 * tracker 1539 */ 1540 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN; 1541 1542 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer 1543 + (chain_idx * ioc->req_sz)); 1544 1545 spin_lock_irqsave(&ioc->FreeQlock, flags); 1546 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ); 1547 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 1548 1549 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n", 1550 ioc->name, chain_idx)); 1551 1552 /* handle next */ 1553 chain_idx = next; 1554 } 1555 return; 1556 } 1557 1558 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1559 /* 1560 * Reset Handling 1561 */ 1562 1563 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1564 /** 1565 * mptscsih_IssueTaskMgmt - Generic send Task Management function. 1566 * @hd: Pointer to MPT_SCSI_HOST structure 1567 * @type: Task Management type 1568 * @channel: channel number for task management 1569 * @id: Logical Target ID for reset (if appropriate) 1570 * @lun: Logical Unit for reset (if appropriate) 1571 * @ctx2abort: Context for the task to be aborted (if appropriate) 1572 * @timeout: timeout for task management control 1573 * 1574 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer) 1575 * or a non-interrupt thread. In the former, must not call schedule(). 1576 * 1577 * Not all fields are meaningfull for all task types. 1578 * 1579 * Returns 0 for SUCCESS, or FAILED. 1580 * 1581 **/ 1582 int 1583 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, 1584 int ctx2abort, ulong timeout) 1585 { 1586 MPT_FRAME_HDR *mf; 1587 SCSITaskMgmt_t *pScsiTm; 1588 int ii; 1589 int retval; 1590 MPT_ADAPTER *ioc = hd->ioc; 1591 unsigned long timeleft; 1592 u8 issue_hard_reset; 1593 u32 ioc_raw_state; 1594 unsigned long time_count; 1595 1596 issue_hard_reset = 0; 1597 ioc_raw_state = mpt_GetIocState(ioc, 0); 1598 1599 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) { 1600 printk(MYIOC_s_WARN_FMT 1601 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n", 1602 ioc->name, type, ioc_raw_state); 1603 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n", 1604 ioc->name, __func__); 1605 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0) 1606 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset " 1607 "FAILED!!\n", ioc->name); 1608 return 0; 1609 } 1610 1611 if (ioc_raw_state & MPI_DOORBELL_ACTIVE) { 1612 printk(MYIOC_s_WARN_FMT 1613 "TaskMgmt type=%x: ioc_state: " 1614 "DOORBELL_ACTIVE (0x%x)!\n", 1615 ioc->name, type, ioc_raw_state); 1616 return FAILED; 1617 } 1618 1619 mutex_lock(&ioc->taskmgmt_cmds.mutex); 1620 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) { 1621 mf = NULL; 1622 retval = FAILED; 1623 goto out; 1624 } 1625 1626 /* Return Fail to calling function if no message frames available. 1627 */ 1628 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) { 1629 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1630 "TaskMgmt no msg frames!!\n", ioc->name)); 1631 retval = FAILED; 1632 mpt_clear_taskmgmt_in_progress_flag(ioc); 1633 goto out; 1634 } 1635 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n", 1636 ioc->name, mf)); 1637 1638 /* Format the Request 1639 */ 1640 pScsiTm = (SCSITaskMgmt_t *) mf; 1641 pScsiTm->TargetID = id; 1642 pScsiTm->Bus = channel; 1643 pScsiTm->ChainOffset = 0; 1644 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 1645 1646 pScsiTm->Reserved = 0; 1647 pScsiTm->TaskType = type; 1648 pScsiTm->Reserved1 = 0; 1649 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) 1650 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0; 1651 1652 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN); 1653 1654 for (ii=0; ii < 7; ii++) 1655 pScsiTm->Reserved2[ii] = 0; 1656 1657 pScsiTm->TaskMsgContext = ctx2abort; 1658 1659 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) " 1660 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort, 1661 type, timeout)); 1662 1663 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm); 1664 1665 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status) 1666 time_count = jiffies; 1667 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && 1668 (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) 1669 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf); 1670 else { 1671 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc, 1672 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP); 1673 if (retval) { 1674 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1675 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n", 1676 ioc->name, mf, retval)); 1677 mpt_free_msg_frame(ioc, mf); 1678 mpt_clear_taskmgmt_in_progress_flag(ioc); 1679 goto out; 1680 } 1681 } 1682 1683 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done, 1684 timeout*HZ); 1685 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 1686 retval = FAILED; 1687 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT 1688 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf)); 1689 mpt_clear_taskmgmt_in_progress_flag(ioc); 1690 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) 1691 goto out; 1692 issue_hard_reset = 1; 1693 goto out; 1694 } 1695 1696 retval = mptscsih_taskmgmt_reply(ioc, type, 1697 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply); 1698 1699 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1700 "TaskMgmt completed (%d seconds)\n", 1701 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000)); 1702 1703 out: 1704 1705 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status) 1706 if (issue_hard_reset) { 1707 printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n", 1708 ioc->name, __func__); 1709 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 1710 mpt_free_msg_frame(ioc, mf); 1711 } 1712 1713 retval = (retval == 0) ? 0 : FAILED; 1714 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 1715 return retval; 1716 } 1717 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt); 1718 1719 static int 1720 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc) 1721 { 1722 switch (ioc->bus_type) { 1723 case FC: 1724 return 40; 1725 case SAS: 1726 return 30; 1727 case SPI: 1728 default: 1729 return 10; 1730 } 1731 } 1732 1733 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1734 /** 1735 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant 1736 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted 1737 * 1738 * (linux scsi_host_template.eh_abort_handler routine) 1739 * 1740 * Returns SUCCESS or FAILED. 1741 **/ 1742 int 1743 mptscsih_abort(struct scsi_cmnd * SCpnt) 1744 { 1745 MPT_SCSI_HOST *hd; 1746 MPT_FRAME_HDR *mf; 1747 u32 ctx2abort; 1748 int scpnt_idx; 1749 int retval; 1750 VirtDevice *vdevice; 1751 ulong sn = SCpnt->serial_number; 1752 MPT_ADAPTER *ioc; 1753 1754 /* If we can't locate our host adapter structure, return FAILED status. 1755 */ 1756 if ((hd = shost_priv(SCpnt->device->host)) == NULL) { 1757 SCpnt->result = DID_RESET << 16; 1758 SCpnt->scsi_done(SCpnt); 1759 printk(KERN_ERR MYNAM ": task abort: " 1760 "can't locate host! (sc=%p)\n", SCpnt); 1761 return FAILED; 1762 } 1763 1764 ioc = hd->ioc; 1765 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n", 1766 ioc->name, SCpnt); 1767 scsi_print_command(SCpnt); 1768 1769 vdevice = SCpnt->device->hostdata; 1770 if (!vdevice || !vdevice->vtarget) { 1771 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1772 "task abort: device has been deleted (sc=%p)\n", 1773 ioc->name, SCpnt)); 1774 SCpnt->result = DID_NO_CONNECT << 16; 1775 SCpnt->scsi_done(SCpnt); 1776 retval = SUCCESS; 1777 goto out; 1778 } 1779 1780 /* Task aborts are not supported for hidden raid components. 1781 */ 1782 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) { 1783 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1784 "task abort: hidden raid component (sc=%p)\n", 1785 ioc->name, SCpnt)); 1786 SCpnt->result = DID_RESET << 16; 1787 retval = FAILED; 1788 goto out; 1789 } 1790 1791 /* Task aborts are not supported for volumes. 1792 */ 1793 if (vdevice->vtarget->raidVolume) { 1794 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1795 "task abort: raid volume (sc=%p)\n", 1796 ioc->name, SCpnt)); 1797 SCpnt->result = DID_RESET << 16; 1798 retval = FAILED; 1799 goto out; 1800 } 1801 1802 /* Find this command 1803 */ 1804 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) { 1805 /* Cmd not found in ScsiLookup. 1806 * Do OS callback. 1807 */ 1808 SCpnt->result = DID_RESET << 16; 1809 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: " 1810 "Command not in the active list! (sc=%p)\n", ioc->name, 1811 SCpnt)); 1812 retval = SUCCESS; 1813 goto out; 1814 } 1815 1816 if (ioc->timeouts < -1) 1817 ioc->timeouts++; 1818 1819 if (mpt_fwfault_debug) 1820 mpt_halt_firmware(ioc); 1821 1822 /* Most important! Set TaskMsgContext to SCpnt's MsgContext! 1823 * (the IO to be ABORT'd) 1824 * 1825 * NOTE: Since we do not byteswap MsgContext, we do not 1826 * swap it here either. It is an opaque cookie to 1827 * the controller, so it does not matter. -DaveM 1828 */ 1829 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx); 1830 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext; 1831 retval = mptscsih_IssueTaskMgmt(hd, 1832 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, 1833 vdevice->vtarget->channel, 1834 vdevice->vtarget->id, vdevice->lun, 1835 ctx2abort, mptscsih_get_tm_timeout(ioc)); 1836 1837 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx && 1838 SCpnt->serial_number == sn) { 1839 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1840 "task abort: command still in active list! (sc=%p)\n", 1841 ioc->name, SCpnt)); 1842 retval = FAILED; 1843 } else { 1844 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1845 "task abort: command cleared from active list! (sc=%p)\n", 1846 ioc->name, SCpnt)); 1847 retval = SUCCESS; 1848 } 1849 1850 out: 1851 printk(MYIOC_s_INFO_FMT "task abort: %s (sc=%p)\n", 1852 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), SCpnt); 1853 1854 return retval; 1855 } 1856 1857 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1858 /** 1859 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant 1860 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1861 * 1862 * (linux scsi_host_template.eh_dev_reset_handler routine) 1863 * 1864 * Returns SUCCESS or FAILED. 1865 **/ 1866 int 1867 mptscsih_dev_reset(struct scsi_cmnd * SCpnt) 1868 { 1869 MPT_SCSI_HOST *hd; 1870 int retval; 1871 VirtDevice *vdevice; 1872 MPT_ADAPTER *ioc; 1873 1874 /* If we can't locate our host adapter structure, return FAILED status. 1875 */ 1876 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1877 printk(KERN_ERR MYNAM ": target reset: " 1878 "Can't locate host! (sc=%p)\n", SCpnt); 1879 return FAILED; 1880 } 1881 1882 ioc = hd->ioc; 1883 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n", 1884 ioc->name, SCpnt); 1885 scsi_print_command(SCpnt); 1886 1887 vdevice = SCpnt->device->hostdata; 1888 if (!vdevice || !vdevice->vtarget) { 1889 retval = SUCCESS; 1890 goto out; 1891 } 1892 1893 /* Target reset to hidden raid component is not supported 1894 */ 1895 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) { 1896 retval = FAILED; 1897 goto out; 1898 } 1899 1900 retval = mptscsih_IssueTaskMgmt(hd, 1901 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 1902 vdevice->vtarget->channel, 1903 vdevice->vtarget->id, 0, 0, 1904 mptscsih_get_tm_timeout(ioc)); 1905 1906 out: 1907 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n", 1908 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1909 1910 if (retval == 0) 1911 return SUCCESS; 1912 else 1913 return FAILED; 1914 } 1915 1916 1917 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1918 /** 1919 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant 1920 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1921 * 1922 * (linux scsi_host_template.eh_bus_reset_handler routine) 1923 * 1924 * Returns SUCCESS or FAILED. 1925 **/ 1926 int 1927 mptscsih_bus_reset(struct scsi_cmnd * SCpnt) 1928 { 1929 MPT_SCSI_HOST *hd; 1930 int retval; 1931 VirtDevice *vdevice; 1932 MPT_ADAPTER *ioc; 1933 1934 /* If we can't locate our host adapter structure, return FAILED status. 1935 */ 1936 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1937 printk(KERN_ERR MYNAM ": bus reset: " 1938 "Can't locate host! (sc=%p)\n", SCpnt); 1939 return FAILED; 1940 } 1941 1942 ioc = hd->ioc; 1943 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n", 1944 ioc->name, SCpnt); 1945 scsi_print_command(SCpnt); 1946 1947 if (ioc->timeouts < -1) 1948 ioc->timeouts++; 1949 1950 vdevice = SCpnt->device->hostdata; 1951 if (!vdevice || !vdevice->vtarget) 1952 return SUCCESS; 1953 retval = mptscsih_IssueTaskMgmt(hd, 1954 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, 1955 vdevice->vtarget->channel, 0, 0, 0, 1956 mptscsih_get_tm_timeout(ioc)); 1957 1958 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n", 1959 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1960 1961 if (retval == 0) 1962 return SUCCESS; 1963 else 1964 return FAILED; 1965 } 1966 1967 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1968 /** 1969 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant) 1970 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1971 * 1972 * (linux scsi_host_template.eh_host_reset_handler routine) 1973 * 1974 * Returns SUCCESS or FAILED. 1975 */ 1976 int 1977 mptscsih_host_reset(struct scsi_cmnd *SCpnt) 1978 { 1979 MPT_SCSI_HOST * hd; 1980 int status = SUCCESS; 1981 MPT_ADAPTER *ioc; 1982 int retval; 1983 1984 /* If we can't locate the host to reset, then we failed. */ 1985 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1986 printk(KERN_ERR MYNAM ": host reset: " 1987 "Can't locate host! (sc=%p)\n", SCpnt); 1988 return FAILED; 1989 } 1990 1991 /* make sure we have no outstanding commands at this stage */ 1992 mptscsih_flush_running_cmds(hd); 1993 1994 ioc = hd->ioc; 1995 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n", 1996 ioc->name, SCpnt); 1997 1998 /* If our attempts to reset the host failed, then return a failed 1999 * status. The host will be taken off line by the SCSI mid-layer. 2000 */ 2001 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 2002 if (retval < 0) 2003 status = FAILED; 2004 else 2005 status = SUCCESS; 2006 2007 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n", 2008 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 2009 2010 return status; 2011 } 2012 2013 static int 2014 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type, 2015 SCSITaskMgmtReply_t *pScsiTmReply) 2016 { 2017 u16 iocstatus; 2018 u32 termination_count; 2019 int retval; 2020 2021 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { 2022 retval = FAILED; 2023 goto out; 2024 } 2025 2026 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply); 2027 2028 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK; 2029 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount); 2030 2031 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2032 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n" 2033 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n" 2034 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus, 2035 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus), 2036 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode, 2037 termination_count)); 2038 2039 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 && 2040 pScsiTmReply->ResponseCode) 2041 mptscsih_taskmgmt_response_code(ioc, 2042 pScsiTmReply->ResponseCode); 2043 2044 if (iocstatus == MPI_IOCSTATUS_SUCCESS) { 2045 retval = 0; 2046 goto out; 2047 } 2048 2049 retval = FAILED; 2050 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) { 2051 if (termination_count == 1) 2052 retval = 0; 2053 goto out; 2054 } 2055 2056 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED || 2057 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED) 2058 retval = 0; 2059 2060 out: 2061 return retval; 2062 } 2063 2064 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2065 void 2066 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code) 2067 { 2068 char *desc; 2069 2070 switch (response_code) { 2071 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE: 2072 desc = "The task completed."; 2073 break; 2074 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME: 2075 desc = "The IOC received an invalid frame status."; 2076 break; 2077 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: 2078 desc = "The task type is not supported."; 2079 break; 2080 case MPI_SCSITASKMGMT_RSP_TM_FAILED: 2081 desc = "The requested task failed."; 2082 break; 2083 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED: 2084 desc = "The task completed successfully."; 2085 break; 2086 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN: 2087 desc = "The LUN request is invalid."; 2088 break; 2089 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: 2090 desc = "The task is in the IOC queue and has not been sent to target."; 2091 break; 2092 default: 2093 desc = "unknown"; 2094 break; 2095 } 2096 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n", 2097 ioc->name, response_code, desc); 2098 } 2099 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code); 2100 2101 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2102 /** 2103 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver 2104 * @ioc: Pointer to MPT_ADAPTER structure 2105 * @mf: Pointer to SCSI task mgmt request frame 2106 * @mr: Pointer to SCSI task mgmt reply frame 2107 * 2108 * This routine is called from mptbase.c::mpt_interrupt() at the completion 2109 * of any SCSI task management request. 2110 * This routine is registered with the MPT (base) driver at driver 2111 * load/init time via the mpt_register() API call. 2112 * 2113 * Returns 1 indicating alloc'd request frame ptr should be freed. 2114 **/ 2115 int 2116 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, 2117 MPT_FRAME_HDR *mr) 2118 { 2119 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2120 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr)); 2121 2122 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 2123 2124 if (!mr) 2125 goto out; 2126 2127 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID; 2128 memcpy(ioc->taskmgmt_cmds.reply, mr, 2129 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength)); 2130 out: 2131 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) { 2132 mpt_clear_taskmgmt_in_progress_flag(ioc); 2133 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 2134 complete(&ioc->taskmgmt_cmds.done); 2135 return 1; 2136 } 2137 return 0; 2138 } 2139 2140 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2141 /* 2142 * This is anyones guess quite frankly. 2143 */ 2144 int 2145 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev, 2146 sector_t capacity, int geom[]) 2147 { 2148 int heads; 2149 int sectors; 2150 sector_t cylinders; 2151 ulong dummy; 2152 2153 heads = 64; 2154 sectors = 32; 2155 2156 dummy = heads * sectors; 2157 cylinders = capacity; 2158 sector_div(cylinders,dummy); 2159 2160 /* 2161 * Handle extended translation size for logical drives 2162 * > 1Gb 2163 */ 2164 if ((ulong)capacity >= 0x200000) { 2165 heads = 255; 2166 sectors = 63; 2167 dummy = heads * sectors; 2168 cylinders = capacity; 2169 sector_div(cylinders,dummy); 2170 } 2171 2172 /* return result */ 2173 geom[0] = heads; 2174 geom[1] = sectors; 2175 geom[2] = cylinders; 2176 2177 return 0; 2178 } 2179 2180 /* Search IOC page 3 to determine if this is hidden physical disk 2181 * 2182 */ 2183 int 2184 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id) 2185 { 2186 struct inactive_raid_component_info *component_info; 2187 int i, j; 2188 RaidPhysDiskPage1_t *phys_disk; 2189 int rc = 0; 2190 int num_paths; 2191 2192 if (!ioc->raid_data.pIocPg3) 2193 goto out; 2194 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2195 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) && 2196 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) { 2197 rc = 1; 2198 goto out; 2199 } 2200 } 2201 2202 if (ioc->bus_type != SAS) 2203 goto out; 2204 2205 /* 2206 * Check if dual path 2207 */ 2208 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2209 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, 2210 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum); 2211 if (num_paths < 2) 2212 continue; 2213 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) + 2214 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL); 2215 if (!phys_disk) 2216 continue; 2217 if ((mpt_raid_phys_disk_pg1(ioc, 2218 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum, 2219 phys_disk))) { 2220 kfree(phys_disk); 2221 continue; 2222 } 2223 for (j = 0; j < num_paths; j++) { 2224 if ((phys_disk->Path[j].Flags & 2225 MPI_RAID_PHYSDISK1_FLAG_INVALID)) 2226 continue; 2227 if ((phys_disk->Path[j].Flags & 2228 MPI_RAID_PHYSDISK1_FLAG_BROKEN)) 2229 continue; 2230 if ((id == phys_disk->Path[j].PhysDiskID) && 2231 (channel == phys_disk->Path[j].PhysDiskBus)) { 2232 rc = 1; 2233 kfree(phys_disk); 2234 goto out; 2235 } 2236 } 2237 kfree(phys_disk); 2238 } 2239 2240 2241 /* 2242 * Check inactive list for matching phys disks 2243 */ 2244 if (list_empty(&ioc->raid_data.inactive_list)) 2245 goto out; 2246 2247 mutex_lock(&ioc->raid_data.inactive_list_mutex); 2248 list_for_each_entry(component_info, &ioc->raid_data.inactive_list, 2249 list) { 2250 if ((component_info->d.PhysDiskID == id) && 2251 (component_info->d.PhysDiskBus == channel)) 2252 rc = 1; 2253 } 2254 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 2255 2256 out: 2257 return rc; 2258 } 2259 EXPORT_SYMBOL(mptscsih_is_phys_disk); 2260 2261 u8 2262 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id) 2263 { 2264 struct inactive_raid_component_info *component_info; 2265 int i, j; 2266 RaidPhysDiskPage1_t *phys_disk; 2267 int rc = -ENXIO; 2268 int num_paths; 2269 2270 if (!ioc->raid_data.pIocPg3) 2271 goto out; 2272 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2273 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) && 2274 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) { 2275 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum; 2276 goto out; 2277 } 2278 } 2279 2280 if (ioc->bus_type != SAS) 2281 goto out; 2282 2283 /* 2284 * Check if dual path 2285 */ 2286 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2287 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, 2288 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum); 2289 if (num_paths < 2) 2290 continue; 2291 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) + 2292 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL); 2293 if (!phys_disk) 2294 continue; 2295 if ((mpt_raid_phys_disk_pg1(ioc, 2296 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum, 2297 phys_disk))) { 2298 kfree(phys_disk); 2299 continue; 2300 } 2301 for (j = 0; j < num_paths; j++) { 2302 if ((phys_disk->Path[j].Flags & 2303 MPI_RAID_PHYSDISK1_FLAG_INVALID)) 2304 continue; 2305 if ((phys_disk->Path[j].Flags & 2306 MPI_RAID_PHYSDISK1_FLAG_BROKEN)) 2307 continue; 2308 if ((id == phys_disk->Path[j].PhysDiskID) && 2309 (channel == phys_disk->Path[j].PhysDiskBus)) { 2310 rc = phys_disk->PhysDiskNum; 2311 kfree(phys_disk); 2312 goto out; 2313 } 2314 } 2315 kfree(phys_disk); 2316 } 2317 2318 /* 2319 * Check inactive list for matching phys disks 2320 */ 2321 if (list_empty(&ioc->raid_data.inactive_list)) 2322 goto out; 2323 2324 mutex_lock(&ioc->raid_data.inactive_list_mutex); 2325 list_for_each_entry(component_info, &ioc->raid_data.inactive_list, 2326 list) { 2327 if ((component_info->d.PhysDiskID == id) && 2328 (component_info->d.PhysDiskBus == channel)) 2329 rc = component_info->d.PhysDiskNum; 2330 } 2331 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 2332 2333 out: 2334 return rc; 2335 } 2336 EXPORT_SYMBOL(mptscsih_raid_id_to_num); 2337 2338 /* 2339 * OS entry point to allow for host driver to free allocated memory 2340 * Called if no device present or device being unloaded 2341 */ 2342 void 2343 mptscsih_slave_destroy(struct scsi_device *sdev) 2344 { 2345 struct Scsi_Host *host = sdev->host; 2346 MPT_SCSI_HOST *hd = shost_priv(host); 2347 VirtTarget *vtarget; 2348 VirtDevice *vdevice; 2349 struct scsi_target *starget; 2350 2351 starget = scsi_target(sdev); 2352 vtarget = starget->hostdata; 2353 vdevice = sdev->hostdata; 2354 if (!vdevice) 2355 return; 2356 2357 mptscsih_search_running_cmds(hd, vdevice); 2358 vtarget->num_luns--; 2359 mptscsih_synchronize_cache(hd, vdevice); 2360 kfree(vdevice); 2361 sdev->hostdata = NULL; 2362 } 2363 2364 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2365 /* 2366 * mptscsih_change_queue_depth - This function will set a devices queue depth 2367 * @sdev: per scsi_device pointer 2368 * @qdepth: requested queue depth 2369 * @reason: calling context 2370 * 2371 * Adding support for new 'change_queue_depth' api. 2372 */ 2373 int 2374 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) 2375 { 2376 MPT_SCSI_HOST *hd = shost_priv(sdev->host); 2377 VirtTarget *vtarget; 2378 struct scsi_target *starget; 2379 int max_depth; 2380 int tagged; 2381 MPT_ADAPTER *ioc = hd->ioc; 2382 2383 starget = scsi_target(sdev); 2384 vtarget = starget->hostdata; 2385 2386 if (reason != SCSI_QDEPTH_DEFAULT) 2387 return -EOPNOTSUPP; 2388 2389 if (ioc->bus_type == SPI) { 2390 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)) 2391 max_depth = 1; 2392 else if (sdev->type == TYPE_DISK && 2393 vtarget->minSyncFactor <= MPT_ULTRA160) 2394 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH; 2395 else 2396 max_depth = MPT_SCSI_CMD_PER_DEV_LOW; 2397 } else 2398 max_depth = ioc->sh->can_queue; 2399 2400 if (!sdev->tagged_supported) 2401 max_depth = 1; 2402 2403 if (qdepth > max_depth) 2404 qdepth = max_depth; 2405 if (qdepth == 1) 2406 tagged = 0; 2407 else 2408 tagged = MSG_SIMPLE_TAG; 2409 2410 scsi_adjust_queue_depth(sdev, tagged, qdepth); 2411 return sdev->queue_depth; 2412 } 2413 2414 /* 2415 * OS entry point to adjust the queue_depths on a per-device basis. 2416 * Called once per device the bus scan. Use it to force the queue_depth 2417 * member to 1 if a device does not support Q tags. 2418 * Return non-zero if fails. 2419 */ 2420 int 2421 mptscsih_slave_configure(struct scsi_device *sdev) 2422 { 2423 struct Scsi_Host *sh = sdev->host; 2424 VirtTarget *vtarget; 2425 VirtDevice *vdevice; 2426 struct scsi_target *starget; 2427 MPT_SCSI_HOST *hd = shost_priv(sh); 2428 MPT_ADAPTER *ioc = hd->ioc; 2429 2430 starget = scsi_target(sdev); 2431 vtarget = starget->hostdata; 2432 vdevice = sdev->hostdata; 2433 2434 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2435 "device @ %p, channel=%d, id=%d, lun=%d\n", 2436 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun)); 2437 if (ioc->bus_type == SPI) 2438 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2439 "sdtr %d wdtr %d ppr %d inq length=%d\n", 2440 ioc->name, sdev->sdtr, sdev->wdtr, 2441 sdev->ppr, sdev->inquiry_len)); 2442 2443 vdevice->configured_lun = 1; 2444 2445 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2446 "Queue depth=%d, tflags=%x\n", 2447 ioc->name, sdev->queue_depth, vtarget->tflags)); 2448 2449 if (ioc->bus_type == SPI) 2450 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2451 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n", 2452 ioc->name, vtarget->negoFlags, vtarget->maxOffset, 2453 vtarget->minSyncFactor)); 2454 2455 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH, 2456 SCSI_QDEPTH_DEFAULT); 2457 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2458 "tagged %d, simple %d, ordered %d\n", 2459 ioc->name,sdev->tagged_supported, sdev->simple_tags, 2460 sdev->ordered_tags)); 2461 2462 blk_queue_dma_alignment (sdev->request_queue, 512 - 1); 2463 2464 return 0; 2465 } 2466 2467 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2468 /* 2469 * Private routines... 2470 */ 2471 2472 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2473 /* Utility function to copy sense data from the scsi_cmnd buffer 2474 * to the FC and SCSI target structures. 2475 * 2476 */ 2477 static void 2478 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply) 2479 { 2480 VirtDevice *vdevice; 2481 SCSIIORequest_t *pReq; 2482 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount); 2483 MPT_ADAPTER *ioc = hd->ioc; 2484 2485 /* Get target structure 2486 */ 2487 pReq = (SCSIIORequest_t *) mf; 2488 vdevice = sc->device->hostdata; 2489 2490 if (sense_count) { 2491 u8 *sense_data; 2492 int req_index; 2493 2494 /* Copy the sense received into the scsi command block. */ 2495 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 2496 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC)); 2497 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc)); 2498 2499 /* Log SMART data (asc = 0x5D, non-IM case only) if required. 2500 */ 2501 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) { 2502 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) { 2503 int idx; 2504 2505 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE; 2506 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE; 2507 ioc->events[idx].eventContext = ioc->eventContext; 2508 2509 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) | 2510 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) | 2511 (sc->device->channel << 8) | sc->device->id; 2512 2513 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12]; 2514 2515 ioc->eventContext++; 2516 if (ioc->pcidev->vendor == 2517 PCI_VENDOR_ID_IBM) { 2518 mptscsih_issue_sep_command(ioc, 2519 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); 2520 vdevice->vtarget->tflags |= 2521 MPT_TARGET_FLAGS_LED_ON; 2522 } 2523 } 2524 } 2525 } else { 2526 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n", 2527 ioc->name)); 2528 } 2529 } 2530 2531 /** 2532 * mptscsih_get_scsi_lookup - retrieves scmd entry 2533 * @ioc: Pointer to MPT_ADAPTER structure 2534 * @i: index into the array 2535 * 2536 * Returns the scsi_cmd pointer 2537 */ 2538 struct scsi_cmnd * 2539 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i) 2540 { 2541 unsigned long flags; 2542 struct scsi_cmnd *scmd; 2543 2544 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2545 scmd = ioc->ScsiLookup[i]; 2546 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2547 2548 return scmd; 2549 } 2550 EXPORT_SYMBOL(mptscsih_get_scsi_lookup); 2551 2552 /** 2553 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list 2554 * @ioc: Pointer to MPT_ADAPTER structure 2555 * @i: index into the array 2556 * 2557 * Returns the scsi_cmd pointer 2558 * 2559 **/ 2560 static struct scsi_cmnd * 2561 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i) 2562 { 2563 unsigned long flags; 2564 struct scsi_cmnd *scmd; 2565 2566 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2567 scmd = ioc->ScsiLookup[i]; 2568 ioc->ScsiLookup[i] = NULL; 2569 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2570 2571 return scmd; 2572 } 2573 2574 /** 2575 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list 2576 * 2577 * @ioc: Pointer to MPT_ADAPTER structure 2578 * @i: index into the array 2579 * @scmd: scsi_cmnd pointer 2580 * 2581 **/ 2582 static void 2583 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd) 2584 { 2585 unsigned long flags; 2586 2587 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2588 ioc->ScsiLookup[i] = scmd; 2589 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2590 } 2591 2592 /** 2593 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list 2594 * @ioc: Pointer to MPT_ADAPTER structure 2595 * @sc: scsi_cmnd pointer 2596 */ 2597 static int 2598 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc) 2599 { 2600 unsigned long flags; 2601 int i, index=-1; 2602 2603 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2604 for (i = 0; i < ioc->req_depth; i++) { 2605 if (ioc->ScsiLookup[i] == sc) { 2606 index = i; 2607 goto out; 2608 } 2609 } 2610 2611 out: 2612 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2613 return index; 2614 } 2615 2616 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2617 int 2618 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) 2619 { 2620 MPT_SCSI_HOST *hd; 2621 2622 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL) 2623 return 0; 2624 2625 hd = shost_priv(ioc->sh); 2626 switch (reset_phase) { 2627 case MPT_IOC_SETUP_RESET: 2628 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2629 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__)); 2630 break; 2631 case MPT_IOC_PRE_RESET: 2632 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2633 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__)); 2634 mptscsih_flush_running_cmds(hd); 2635 break; 2636 case MPT_IOC_POST_RESET: 2637 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2638 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__)); 2639 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) { 2640 ioc->internal_cmds.status |= 2641 MPT_MGMT_STATUS_DID_IOCRESET; 2642 complete(&ioc->internal_cmds.done); 2643 } 2644 break; 2645 default: 2646 break; 2647 } 2648 return 1; /* currently means nothing really */ 2649 } 2650 2651 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2652 int 2653 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) 2654 { 2655 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; 2656 2657 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2658 "MPT event (=%02Xh) routed to SCSI host driver!\n", 2659 ioc->name, event)); 2660 2661 if ((event == MPI_EVENT_IOC_BUS_RESET || 2662 event == MPI_EVENT_EXT_BUS_RESET) && 2663 (ioc->bus_type == SPI) && (ioc->soft_resets < -1)) 2664 ioc->soft_resets++; 2665 2666 return 1; /* currently means nothing really */ 2667 } 2668 2669 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2670 /* 2671 * Bus Scan and Domain Validation functionality ... 2672 */ 2673 2674 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2675 /* 2676 * mptscsih_scandv_complete - Scan and DV callback routine registered 2677 * to Fustion MPT (base) driver. 2678 * 2679 * @ioc: Pointer to MPT_ADAPTER structure 2680 * @mf: Pointer to original MPT request frame 2681 * @mr: Pointer to MPT reply frame (NULL if TurboReply) 2682 * 2683 * This routine is called from mpt.c::mpt_interrupt() at the completion 2684 * of any SCSI IO request. 2685 * This routine is registered with the Fusion MPT (base) driver at driver 2686 * load/init time via the mpt_register() API call. 2687 * 2688 * Returns 1 indicating alloc'd request frame ptr should be freed. 2689 * 2690 * Remark: Sets a completion code and (possibly) saves sense data 2691 * in the IOC member localReply structure. 2692 * Used ONLY for DV and other internal commands. 2693 */ 2694 int 2695 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, 2696 MPT_FRAME_HDR *reply) 2697 { 2698 SCSIIORequest_t *pReq; 2699 SCSIIOReply_t *pReply; 2700 u8 cmd; 2701 u16 req_idx; 2702 u8 *sense_data; 2703 int sz; 2704 2705 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 2706 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD; 2707 if (!reply) 2708 goto out; 2709 2710 pReply = (SCSIIOReply_t *) reply; 2711 pReq = (SCSIIORequest_t *) req; 2712 ioc->internal_cmds.completion_code = 2713 mptscsih_get_completion_code(ioc, req, reply); 2714 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID; 2715 memcpy(ioc->internal_cmds.reply, reply, 2716 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength)); 2717 cmd = reply->u.hdr.Function; 2718 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) || 2719 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) && 2720 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) { 2721 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx); 2722 sense_data = ((u8 *)ioc->sense_buf_pool + 2723 (req_idx * MPT_SENSE_BUFFER_ALLOC)); 2724 sz = min_t(int, pReq->SenseBufferLength, 2725 MPT_SENSE_BUFFER_ALLOC); 2726 memcpy(ioc->internal_cmds.sense, sense_data, sz); 2727 } 2728 out: 2729 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING)) 2730 return 0; 2731 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 2732 complete(&ioc->internal_cmds.done); 2733 return 1; 2734 } 2735 2736 2737 /** 2738 * mptscsih_get_completion_code - get completion code from MPT request 2739 * @ioc: Pointer to MPT_ADAPTER structure 2740 * @req: Pointer to original MPT request frame 2741 * @reply: Pointer to MPT reply frame (NULL if TurboReply) 2742 * 2743 **/ 2744 static int 2745 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, 2746 MPT_FRAME_HDR *reply) 2747 { 2748 SCSIIOReply_t *pReply; 2749 MpiRaidActionReply_t *pr; 2750 u8 scsi_status; 2751 u16 status; 2752 int completion_code; 2753 2754 pReply = (SCSIIOReply_t *)reply; 2755 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK; 2756 scsi_status = pReply->SCSIStatus; 2757 2758 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2759 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh," 2760 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState, 2761 scsi_status, le32_to_cpu(pReply->IOCLogInfo))); 2762 2763 switch (status) { 2764 2765 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ 2766 completion_code = MPT_SCANDV_SELECTION_TIMEOUT; 2767 break; 2768 2769 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ 2770 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ 2771 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ 2772 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ 2773 completion_code = MPT_SCANDV_DID_RESET; 2774 break; 2775 2776 case MPI_IOCSTATUS_BUSY: 2777 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: 2778 completion_code = MPT_SCANDV_BUSY; 2779 break; 2780 2781 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ 2782 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ 2783 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ 2784 if (pReply->Function == MPI_FUNCTION_CONFIG) { 2785 completion_code = MPT_SCANDV_GOOD; 2786 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) { 2787 pr = (MpiRaidActionReply_t *)reply; 2788 if (le16_to_cpu(pr->ActionStatus) == 2789 MPI_RAID_ACTION_ASTATUS_SUCCESS) 2790 completion_code = MPT_SCANDV_GOOD; 2791 else 2792 completion_code = MPT_SCANDV_SOME_ERROR; 2793 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) 2794 completion_code = MPT_SCANDV_SENSE; 2795 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) { 2796 if (req->u.scsireq.CDB[0] == INQUIRY) 2797 completion_code = MPT_SCANDV_ISSUE_SENSE; 2798 else 2799 completion_code = MPT_SCANDV_DID_RESET; 2800 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS) 2801 completion_code = MPT_SCANDV_DID_RESET; 2802 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) 2803 completion_code = MPT_SCANDV_DID_RESET; 2804 else if (scsi_status == MPI_SCSI_STATUS_BUSY) 2805 completion_code = MPT_SCANDV_BUSY; 2806 else 2807 completion_code = MPT_SCANDV_GOOD; 2808 break; 2809 2810 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ 2811 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) 2812 completion_code = MPT_SCANDV_DID_RESET; 2813 else 2814 completion_code = MPT_SCANDV_SOME_ERROR; 2815 break; 2816 default: 2817 completion_code = MPT_SCANDV_SOME_ERROR; 2818 break; 2819 2820 } /* switch(status) */ 2821 2822 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2823 " completionCode set to %08xh\n", ioc->name, completion_code)); 2824 return completion_code; 2825 } 2826 2827 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2828 /** 2829 * mptscsih_do_cmd - Do internal command. 2830 * @hd: MPT_SCSI_HOST pointer 2831 * @io: INTERNAL_CMD pointer. 2832 * 2833 * Issue the specified internally generated command and do command 2834 * specific cleanup. For bus scan / DV only. 2835 * NOTES: If command is Inquiry and status is good, 2836 * initialize a target structure, save the data 2837 * 2838 * Remark: Single threaded access only. 2839 * 2840 * Return: 2841 * < 0 if an illegal command or no resources 2842 * 2843 * 0 if good 2844 * 2845 * > 0 if command complete but some type of completion error. 2846 */ 2847 static int 2848 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io) 2849 { 2850 MPT_FRAME_HDR *mf; 2851 SCSIIORequest_t *pScsiReq; 2852 int my_idx, ii, dir; 2853 int timeout; 2854 char cmdLen; 2855 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; 2856 u8 cmd = io->cmd; 2857 MPT_ADAPTER *ioc = hd->ioc; 2858 int ret = 0; 2859 unsigned long timeleft; 2860 unsigned long flags; 2861 2862 /* don't send internal command during diag reset */ 2863 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 2864 if (ioc->ioc_reset_in_progress) { 2865 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 2866 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2867 "%s: busy with host reset\n", ioc->name, __func__)); 2868 return MPT_SCANDV_BUSY; 2869 } 2870 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 2871 2872 mutex_lock(&ioc->internal_cmds.mutex); 2873 2874 /* Set command specific information 2875 */ 2876 switch (cmd) { 2877 case INQUIRY: 2878 cmdLen = 6; 2879 dir = MPI_SCSIIO_CONTROL_READ; 2880 CDB[0] = cmd; 2881 CDB[4] = io->size; 2882 timeout = 10; 2883 break; 2884 2885 case TEST_UNIT_READY: 2886 cmdLen = 6; 2887 dir = MPI_SCSIIO_CONTROL_READ; 2888 timeout = 10; 2889 break; 2890 2891 case START_STOP: 2892 cmdLen = 6; 2893 dir = MPI_SCSIIO_CONTROL_READ; 2894 CDB[0] = cmd; 2895 CDB[4] = 1; /*Spin up the disk */ 2896 timeout = 15; 2897 break; 2898 2899 case REQUEST_SENSE: 2900 cmdLen = 6; 2901 CDB[0] = cmd; 2902 CDB[4] = io->size; 2903 dir = MPI_SCSIIO_CONTROL_READ; 2904 timeout = 10; 2905 break; 2906 2907 case READ_BUFFER: 2908 cmdLen = 10; 2909 dir = MPI_SCSIIO_CONTROL_READ; 2910 CDB[0] = cmd; 2911 if (io->flags & MPT_ICFLAG_ECHO) { 2912 CDB[1] = 0x0A; 2913 } else { 2914 CDB[1] = 0x02; 2915 } 2916 2917 if (io->flags & MPT_ICFLAG_BUF_CAP) { 2918 CDB[1] |= 0x01; 2919 } 2920 CDB[6] = (io->size >> 16) & 0xFF; 2921 CDB[7] = (io->size >> 8) & 0xFF; 2922 CDB[8] = io->size & 0xFF; 2923 timeout = 10; 2924 break; 2925 2926 case WRITE_BUFFER: 2927 cmdLen = 10; 2928 dir = MPI_SCSIIO_CONTROL_WRITE; 2929 CDB[0] = cmd; 2930 if (io->flags & MPT_ICFLAG_ECHO) { 2931 CDB[1] = 0x0A; 2932 } else { 2933 CDB[1] = 0x02; 2934 } 2935 CDB[6] = (io->size >> 16) & 0xFF; 2936 CDB[7] = (io->size >> 8) & 0xFF; 2937 CDB[8] = io->size & 0xFF; 2938 timeout = 10; 2939 break; 2940 2941 case RESERVE: 2942 cmdLen = 6; 2943 dir = MPI_SCSIIO_CONTROL_READ; 2944 CDB[0] = cmd; 2945 timeout = 10; 2946 break; 2947 2948 case RELEASE: 2949 cmdLen = 6; 2950 dir = MPI_SCSIIO_CONTROL_READ; 2951 CDB[0] = cmd; 2952 timeout = 10; 2953 break; 2954 2955 case SYNCHRONIZE_CACHE: 2956 cmdLen = 10; 2957 dir = MPI_SCSIIO_CONTROL_READ; 2958 CDB[0] = cmd; 2959 // CDB[1] = 0x02; /* set immediate bit */ 2960 timeout = 10; 2961 break; 2962 2963 default: 2964 /* Error Case */ 2965 ret = -EFAULT; 2966 goto out; 2967 } 2968 2969 /* Get and Populate a free Frame 2970 * MsgContext set in mpt_get_msg_frame call 2971 */ 2972 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) { 2973 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n", 2974 ioc->name, __func__)); 2975 ret = MPT_SCANDV_BUSY; 2976 goto out; 2977 } 2978 2979 pScsiReq = (SCSIIORequest_t *) mf; 2980 2981 /* Get the request index */ 2982 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 2983 ADD_INDEX_LOG(my_idx); /* for debug */ 2984 2985 if (io->flags & MPT_ICFLAG_PHYS_DISK) { 2986 pScsiReq->TargetID = io->physDiskNum; 2987 pScsiReq->Bus = 0; 2988 pScsiReq->ChainOffset = 0; 2989 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 2990 } else { 2991 pScsiReq->TargetID = io->id; 2992 pScsiReq->Bus = io->channel; 2993 pScsiReq->ChainOffset = 0; 2994 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 2995 } 2996 2997 pScsiReq->CDBLength = cmdLen; 2998 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 2999 3000 pScsiReq->Reserved = 0; 3001 3002 pScsiReq->MsgFlags = mpt_msg_flags(ioc); 3003 /* MsgContext set in mpt_get_msg_fram call */ 3004 3005 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN); 3006 3007 if (io->flags & MPT_ICFLAG_TAGGED_CMD) 3008 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ); 3009 else 3010 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); 3011 3012 if (cmd == REQUEST_SENSE) { 3013 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); 3014 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3015 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd)); 3016 } 3017 3018 for (ii = 0; ii < 16; ii++) 3019 pScsiReq->CDB[ii] = CDB[ii]; 3020 3021 pScsiReq->DataLength = cpu_to_le32(io->size); 3022 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma 3023 + (my_idx * MPT_SENSE_BUFFER_ALLOC)); 3024 3025 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3026 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n", 3027 ioc->name, __func__, cmd, io->channel, io->id, io->lun)); 3028 3029 if (dir == MPI_SCSIIO_CONTROL_READ) 3030 ioc->add_sge((char *) &pScsiReq->SGL, 3031 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma); 3032 else 3033 ioc->add_sge((char *) &pScsiReq->SGL, 3034 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma); 3035 3036 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status) 3037 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf); 3038 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done, 3039 timeout*HZ); 3040 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 3041 ret = MPT_SCANDV_DID_RESET; 3042 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3043 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__, 3044 cmd)); 3045 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { 3046 mpt_free_msg_frame(ioc, mf); 3047 goto out; 3048 } 3049 if (!timeleft) { 3050 printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n", 3051 ioc->name, __func__); 3052 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 3053 mpt_free_msg_frame(ioc, mf); 3054 } 3055 goto out; 3056 } 3057 3058 ret = ioc->internal_cmds.completion_code; 3059 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n", 3060 ioc->name, __func__, ret)); 3061 3062 out: 3063 CLEAR_MGMT_STATUS(ioc->internal_cmds.status) 3064 mutex_unlock(&ioc->internal_cmds.mutex); 3065 return ret; 3066 } 3067 3068 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3069 /** 3070 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks. 3071 * @hd: Pointer to a SCSI HOST structure 3072 * @vdevice: virtual target device 3073 * 3074 * Uses the ISR, but with special processing. 3075 * MUST be single-threaded. 3076 * 3077 */ 3078 static void 3079 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice) 3080 { 3081 INTERNAL_CMD iocmd; 3082 3083 /* Ignore hidden raid components, this is handled when the command 3084 * is sent to the volume 3085 */ 3086 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 3087 return; 3088 3089 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted || 3090 !vdevice->configured_lun) 3091 return; 3092 3093 /* Following parameters will not change 3094 * in this routine. 3095 */ 3096 iocmd.cmd = SYNCHRONIZE_CACHE; 3097 iocmd.flags = 0; 3098 iocmd.physDiskNum = -1; 3099 iocmd.data = NULL; 3100 iocmd.data_dma = -1; 3101 iocmd.size = 0; 3102 iocmd.rsvd = iocmd.rsvd2 = 0; 3103 iocmd.channel = vdevice->vtarget->channel; 3104 iocmd.id = vdevice->vtarget->id; 3105 iocmd.lun = vdevice->lun; 3106 3107 mptscsih_do_cmd(hd, &iocmd); 3108 } 3109 3110 static ssize_t 3111 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr, 3112 char *buf) 3113 { 3114 struct Scsi_Host *host = class_to_shost(dev); 3115 MPT_SCSI_HOST *hd = shost_priv(host); 3116 MPT_ADAPTER *ioc = hd->ioc; 3117 3118 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", 3119 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, 3120 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, 3121 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, 3122 ioc->facts.FWVersion.Word & 0x000000FF); 3123 } 3124 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL); 3125 3126 static ssize_t 3127 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr, 3128 char *buf) 3129 { 3130 struct Scsi_Host *host = class_to_shost(dev); 3131 MPT_SCSI_HOST *hd = shost_priv(host); 3132 MPT_ADAPTER *ioc = hd->ioc; 3133 3134 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 3135 (ioc->biosVersion & 0xFF000000) >> 24, 3136 (ioc->biosVersion & 0x00FF0000) >> 16, 3137 (ioc->biosVersion & 0x0000FF00) >> 8, 3138 ioc->biosVersion & 0x000000FF); 3139 } 3140 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL); 3141 3142 static ssize_t 3143 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr, 3144 char *buf) 3145 { 3146 struct Scsi_Host *host = class_to_shost(dev); 3147 MPT_SCSI_HOST *hd = shost_priv(host); 3148 MPT_ADAPTER *ioc = hd->ioc; 3149 3150 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion); 3151 } 3152 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL); 3153 3154 static ssize_t 3155 mptscsih_version_product_show(struct device *dev, 3156 struct device_attribute *attr, 3157 char *buf) 3158 { 3159 struct Scsi_Host *host = class_to_shost(dev); 3160 MPT_SCSI_HOST *hd = shost_priv(host); 3161 MPT_ADAPTER *ioc = hd->ioc; 3162 3163 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name); 3164 } 3165 static DEVICE_ATTR(version_product, S_IRUGO, 3166 mptscsih_version_product_show, NULL); 3167 3168 static ssize_t 3169 mptscsih_version_nvdata_persistent_show(struct device *dev, 3170 struct device_attribute *attr, 3171 char *buf) 3172 { 3173 struct Scsi_Host *host = class_to_shost(dev); 3174 MPT_SCSI_HOST *hd = shost_priv(host); 3175 MPT_ADAPTER *ioc = hd->ioc; 3176 3177 return snprintf(buf, PAGE_SIZE, "%02xh\n", 3178 ioc->nvdata_version_persistent); 3179 } 3180 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO, 3181 mptscsih_version_nvdata_persistent_show, NULL); 3182 3183 static ssize_t 3184 mptscsih_version_nvdata_default_show(struct device *dev, 3185 struct device_attribute *attr, char *buf) 3186 { 3187 struct Scsi_Host *host = class_to_shost(dev); 3188 MPT_SCSI_HOST *hd = shost_priv(host); 3189 MPT_ADAPTER *ioc = hd->ioc; 3190 3191 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default); 3192 } 3193 static DEVICE_ATTR(version_nvdata_default, S_IRUGO, 3194 mptscsih_version_nvdata_default_show, NULL); 3195 3196 static ssize_t 3197 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr, 3198 char *buf) 3199 { 3200 struct Scsi_Host *host = class_to_shost(dev); 3201 MPT_SCSI_HOST *hd = shost_priv(host); 3202 MPT_ADAPTER *ioc = hd->ioc; 3203 3204 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name); 3205 } 3206 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL); 3207 3208 static ssize_t 3209 mptscsih_board_assembly_show(struct device *dev, 3210 struct device_attribute *attr, char *buf) 3211 { 3212 struct Scsi_Host *host = class_to_shost(dev); 3213 MPT_SCSI_HOST *hd = shost_priv(host); 3214 MPT_ADAPTER *ioc = hd->ioc; 3215 3216 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly); 3217 } 3218 static DEVICE_ATTR(board_assembly, S_IRUGO, 3219 mptscsih_board_assembly_show, NULL); 3220 3221 static ssize_t 3222 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr, 3223 char *buf) 3224 { 3225 struct Scsi_Host *host = class_to_shost(dev); 3226 MPT_SCSI_HOST *hd = shost_priv(host); 3227 MPT_ADAPTER *ioc = hd->ioc; 3228 3229 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer); 3230 } 3231 static DEVICE_ATTR(board_tracer, S_IRUGO, 3232 mptscsih_board_tracer_show, NULL); 3233 3234 static ssize_t 3235 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr, 3236 char *buf) 3237 { 3238 struct Scsi_Host *host = class_to_shost(dev); 3239 MPT_SCSI_HOST *hd = shost_priv(host); 3240 MPT_ADAPTER *ioc = hd->ioc; 3241 3242 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay); 3243 } 3244 static DEVICE_ATTR(io_delay, S_IRUGO, 3245 mptscsih_io_delay_show, NULL); 3246 3247 static ssize_t 3248 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr, 3249 char *buf) 3250 { 3251 struct Scsi_Host *host = class_to_shost(dev); 3252 MPT_SCSI_HOST *hd = shost_priv(host); 3253 MPT_ADAPTER *ioc = hd->ioc; 3254 3255 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay); 3256 } 3257 static DEVICE_ATTR(device_delay, S_IRUGO, 3258 mptscsih_device_delay_show, NULL); 3259 3260 static ssize_t 3261 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr, 3262 char *buf) 3263 { 3264 struct Scsi_Host *host = class_to_shost(dev); 3265 MPT_SCSI_HOST *hd = shost_priv(host); 3266 MPT_ADAPTER *ioc = hd->ioc; 3267 3268 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level); 3269 } 3270 static ssize_t 3271 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr, 3272 const char *buf, size_t count) 3273 { 3274 struct Scsi_Host *host = class_to_shost(dev); 3275 MPT_SCSI_HOST *hd = shost_priv(host); 3276 MPT_ADAPTER *ioc = hd->ioc; 3277 int val = 0; 3278 3279 if (sscanf(buf, "%x", &val) != 1) 3280 return -EINVAL; 3281 3282 ioc->debug_level = val; 3283 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n", 3284 ioc->name, ioc->debug_level); 3285 return strlen(buf); 3286 } 3287 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR, 3288 mptscsih_debug_level_show, mptscsih_debug_level_store); 3289 3290 struct device_attribute *mptscsih_host_attrs[] = { 3291 &dev_attr_version_fw, 3292 &dev_attr_version_bios, 3293 &dev_attr_version_mpi, 3294 &dev_attr_version_product, 3295 &dev_attr_version_nvdata_persistent, 3296 &dev_attr_version_nvdata_default, 3297 &dev_attr_board_name, 3298 &dev_attr_board_assembly, 3299 &dev_attr_board_tracer, 3300 &dev_attr_io_delay, 3301 &dev_attr_device_delay, 3302 &dev_attr_debug_level, 3303 NULL, 3304 }; 3305 3306 EXPORT_SYMBOL(mptscsih_host_attrs); 3307 3308 EXPORT_SYMBOL(mptscsih_remove); 3309 EXPORT_SYMBOL(mptscsih_shutdown); 3310 #ifdef CONFIG_PM 3311 EXPORT_SYMBOL(mptscsih_suspend); 3312 EXPORT_SYMBOL(mptscsih_resume); 3313 #endif 3314 EXPORT_SYMBOL(mptscsih_proc_info); 3315 EXPORT_SYMBOL(mptscsih_info); 3316 EXPORT_SYMBOL(mptscsih_qcmd); 3317 EXPORT_SYMBOL(mptscsih_slave_destroy); 3318 EXPORT_SYMBOL(mptscsih_slave_configure); 3319 EXPORT_SYMBOL(mptscsih_abort); 3320 EXPORT_SYMBOL(mptscsih_dev_reset); 3321 EXPORT_SYMBOL(mptscsih_bus_reset); 3322 EXPORT_SYMBOL(mptscsih_host_reset); 3323 EXPORT_SYMBOL(mptscsih_bios_param); 3324 EXPORT_SYMBOL(mptscsih_io_done); 3325 EXPORT_SYMBOL(mptscsih_taskmgmt_complete); 3326 EXPORT_SYMBOL(mptscsih_scandv_complete); 3327 EXPORT_SYMBOL(mptscsih_event_process); 3328 EXPORT_SYMBOL(mptscsih_ioc_reset); 3329 EXPORT_SYMBOL(mptscsih_change_queue_depth); 3330 3331 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3332