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; 667 668 scsi_state = pScsiReply->SCSIState; 669 scsi_status = pScsiReply->SCSIStatus; 670 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount); 671 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt); 672 log_info = le32_to_cpu(pScsiReply->IOCLogInfo); 673 674 /* 675 * if we get a data underrun indication, yet no data was 676 * transferred and the SCSI status indicates that the 677 * command was never started, change the data underrun 678 * to success 679 */ 680 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && 681 (scsi_status == MPI_SCSI_STATUS_BUSY || 682 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT || 683 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) { 684 status = MPI_IOCSTATUS_SUCCESS; 685 } 686 687 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) 688 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply); 689 690 /* 691 * Look for + dump FCP ResponseInfo[]! 692 */ 693 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID && 694 pScsiReply->ResponseInfo) { 695 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%d] " 696 "FCP_ResponseInfo=%08xh\n", ioc->name, 697 sc->device->host->host_no, sc->device->channel, 698 sc->device->id, sc->device->lun, 699 le32_to_cpu(pScsiReply->ResponseInfo)); 700 } 701 702 switch(status) { 703 case MPI_IOCSTATUS_BUSY: /* 0x0002 */ 704 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */ 705 /* CHECKME! 706 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry) 707 * But not: DID_BUS_BUSY lest one risk 708 * killing interrupt handler:-( 709 */ 710 sc->result = SAM_STAT_BUSY; 711 break; 712 713 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */ 714 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */ 715 sc->result = DID_BAD_TARGET << 16; 716 break; 717 718 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ 719 /* Spoof to SCSI Selection Timeout! */ 720 if (ioc->bus_type != FC) 721 sc->result = DID_NO_CONNECT << 16; 722 /* else fibre, just stall until rescan event */ 723 else 724 sc->result = DID_REQUEUE << 16; 725 726 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF) 727 hd->sel_timeout[pScsiReq->TargetID]++; 728 729 vdevice = sc->device->hostdata; 730 if (!vdevice) 731 break; 732 vtarget = vdevice->vtarget; 733 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) { 734 mptscsih_issue_sep_command(ioc, vtarget, 735 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED); 736 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON; 737 } 738 break; 739 740 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ 741 if ( ioc->bus_type == SAS ) { 742 u16 ioc_status = 743 le16_to_cpu(pScsiReply->IOCStatus); 744 if ((ioc_status & 745 MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) 746 && 747 ((log_info & SAS_LOGINFO_MASK) == 748 SAS_LOGINFO_NEXUS_LOSS)) { 749 VirtDevice *vdevice = 750 sc->device->hostdata; 751 752 /* flag the device as being in 753 * device removal delay so we can 754 * notify the midlayer to hold off 755 * on timeout eh */ 756 if (vdevice && vdevice-> 757 vtarget && 758 vdevice->vtarget-> 759 raidVolume) 760 printk(KERN_INFO 761 "Skipping Raid Volume" 762 "for inDMD\n"); 763 else if (vdevice && 764 vdevice->vtarget) 765 vdevice->vtarget-> 766 inDMD = 1; 767 768 sc->result = 769 (DID_TRANSPORT_DISRUPTED 770 << 16); 771 break; 772 } 773 } else if (ioc->bus_type == FC) { 774 /* 775 * The FC IOC may kill a request for variety of 776 * reasons, some of which may be recovered by a 777 * retry, some which are unlikely to be 778 * recovered. Return DID_ERROR instead of 779 * DID_RESET to permit retry of the command, 780 * just not an infinite number of them 781 */ 782 sc->result = DID_ERROR << 16; 783 break; 784 } 785 786 /* 787 * Allow non-SAS & non-NEXUS_LOSS to drop into below code 788 */ 789 790 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ 791 /* Linux handles an unsolicited DID_RESET better 792 * than an unsolicited DID_ABORT. 793 */ 794 sc->result = DID_RESET << 16; 795 796 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ 797 if (ioc->bus_type == FC) 798 sc->result = DID_ERROR << 16; 799 else 800 sc->result = DID_RESET << 16; 801 break; 802 803 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */ 804 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt); 805 if((xfer_cnt==0)||(sc->underflow > xfer_cnt)) 806 sc->result=DID_SOFT_ERROR << 16; 807 else /* Sufficient data transfer occurred */ 808 sc->result = (DID_OK << 16) | scsi_status; 809 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 810 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n", 811 ioc->name, sc->result, sc->device->channel, sc->device->id)); 812 break; 813 814 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ 815 /* 816 * Do upfront check for valid SenseData and give it 817 * precedence! 818 */ 819 sc->result = (DID_OK << 16) | scsi_status; 820 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) { 821 822 /* 823 * For an Errata on LSI53C1030 824 * When the length of request data 825 * and transfer data are different 826 * with result of command (READ or VERIFY), 827 * DID_SOFT_ERROR is set. 828 */ 829 if (ioc->bus_type == SPI) { 830 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) || 831 pScsiReq->CDB[0] == READ_10 || 832 pScsiReq->CDB[0] == READ_12 || 833 pScsiReq->CDB[0] == READ_16 || 834 pScsiReq->CDB[0] == VERIFY || 835 pScsiReq->CDB[0] == VERIFY_16) { 836 if (scsi_bufflen(sc) != 837 xfer_cnt) { 838 sc->result = 839 DID_SOFT_ERROR << 16; 840 printk(KERN_WARNING "Errata" 841 "on LSI53C1030 occurred." 842 "sc->req_bufflen=0x%02x," 843 "xfer_cnt=0x%02x\n", 844 scsi_bufflen(sc), 845 xfer_cnt); 846 } 847 } 848 } 849 850 if (xfer_cnt < sc->underflow) { 851 if (scsi_status == SAM_STAT_BUSY) 852 sc->result = SAM_STAT_BUSY; 853 else 854 sc->result = DID_SOFT_ERROR << 16; 855 } 856 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) { 857 /* What to do? 858 */ 859 sc->result = DID_SOFT_ERROR << 16; 860 } 861 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) { 862 /* Not real sure here either... */ 863 sc->result = DID_RESET << 16; 864 } 865 } 866 867 868 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 869 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n", 870 ioc->name, sc->underflow)); 871 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 872 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt)); 873 874 /* Report Queue Full 875 */ 876 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL) 877 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); 878 879 break; 880 881 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */ 882 scsi_set_resid(sc, 0); 883 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ 884 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ 885 sc->result = (DID_OK << 16) | scsi_status; 886 if (scsi_state == 0) { 887 ; 888 } else if (scsi_state & 889 MPI_SCSI_STATE_AUTOSENSE_VALID) { 890 891 /* 892 * For potential trouble on LSI53C1030. 893 * (date:2007.xx.) 894 * It is checked whether the length of 895 * request data is equal to 896 * the length of transfer and residual. 897 * MEDIUM_ERROR is set by incorrect data. 898 */ 899 if ((ioc->bus_type == SPI) && 900 (sc->sense_buffer[2] & 0x20)) { 901 u32 difftransfer; 902 difftransfer = 903 sc->sense_buffer[3] << 24 | 904 sc->sense_buffer[4] << 16 | 905 sc->sense_buffer[5] << 8 | 906 sc->sense_buffer[6]; 907 if (((sc->sense_buffer[3] & 0x80) == 908 0x80) && (scsi_bufflen(sc) 909 != xfer_cnt)) { 910 sc->sense_buffer[2] = 911 MEDIUM_ERROR; 912 sc->sense_buffer[12] = 0xff; 913 sc->sense_buffer[13] = 0xff; 914 printk(KERN_WARNING"Errata" 915 "on LSI53C1030 occurred." 916 "sc->req_bufflen=0x%02x," 917 "xfer_cnt=0x%02x\n" , 918 scsi_bufflen(sc), 919 xfer_cnt); 920 } 921 if (((sc->sense_buffer[3] & 0x80) 922 != 0x80) && 923 (scsi_bufflen(sc) != 924 xfer_cnt + difftransfer)) { 925 sc->sense_buffer[2] = 926 MEDIUM_ERROR; 927 sc->sense_buffer[12] = 0xff; 928 sc->sense_buffer[13] = 0xff; 929 printk(KERN_WARNING 930 "Errata on LSI53C1030 occurred" 931 "sc->req_bufflen=0x%02x," 932 " xfer_cnt=0x%02x," 933 "difftransfer=0x%02x\n", 934 scsi_bufflen(sc), 935 xfer_cnt, 936 difftransfer); 937 } 938 } 939 940 /* 941 * If running against circa 200003dd 909 MPT f/w, 942 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL 943 * (QUEUE_FULL) returned from device! --> get 0x0000?128 944 * and with SenseBytes set to 0. 945 */ 946 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL) 947 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); 948 949 } 950 else if (scsi_state & 951 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS) 952 ) { 953 /* 954 * What to do? 955 */ 956 sc->result = DID_SOFT_ERROR << 16; 957 } 958 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) { 959 /* Not real sure here either... */ 960 sc->result = DID_RESET << 16; 961 } 962 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) { 963 /* Device Inq. data indicates that it supports 964 * QTags, but rejects QTag messages. 965 * This command completed OK. 966 * 967 * Not real sure here either so do nothing... */ 968 } 969 970 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL) 971 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); 972 973 /* Add handling of: 974 * Reservation Conflict, Busy, 975 * Command Terminated, CHECK 976 */ 977 break; 978 979 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ 980 sc->result = DID_SOFT_ERROR << 16; 981 break; 982 983 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */ 984 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */ 985 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */ 986 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */ 987 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */ 988 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */ 989 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ 990 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */ 991 default: 992 /* 993 * What to do? 994 */ 995 sc->result = DID_SOFT_ERROR << 16; 996 break; 997 998 } /* switch(status) */ 999 1000 #ifdef CONFIG_FUSION_LOGGING 1001 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY)) 1002 mptscsih_info_scsiio(ioc, sc, pScsiReply); 1003 #endif 1004 1005 } /* end of address reply case */ 1006 out: 1007 /* Unmap the DMA buffers, if any. */ 1008 scsi_dma_unmap(sc); 1009 1010 sc->scsi_done(sc); /* Issue the command callback */ 1011 1012 /* Free Chain buffers */ 1013 mptscsih_freeChainBuffers(ioc, req_idx); 1014 return 1; 1015 } 1016 1017 /* 1018 * mptscsih_flush_running_cmds - For each command found, search 1019 * Scsi_Host instance taskQ and reply to OS. 1020 * Called only if recovering from a FW reload. 1021 * @hd: Pointer to a SCSI HOST structure 1022 * 1023 * Returns: None. 1024 * 1025 * Must be called while new I/Os are being queued. 1026 */ 1027 static void 1028 mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd) 1029 { 1030 MPT_ADAPTER *ioc = hd->ioc; 1031 struct scsi_cmnd *sc; 1032 SCSIIORequest_t *mf = NULL; 1033 int ii; 1034 int channel, id; 1035 1036 for (ii= 0; ii < ioc->req_depth; ii++) { 1037 sc = mptscsih_getclear_scsi_lookup(ioc, ii); 1038 if (!sc) 1039 continue; 1040 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii); 1041 if (!mf) 1042 continue; 1043 channel = mf->Bus; 1044 id = mf->TargetID; 1045 mptscsih_freeChainBuffers(ioc, ii); 1046 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf); 1047 if ((unsigned char *)mf != sc->host_scribble) 1048 continue; 1049 scsi_dma_unmap(sc); 1050 sc->result = DID_RESET << 16; 1051 sc->host_scribble = NULL; 1052 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT 1053 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, " 1054 "idx=%x\n", ioc->name, channel, id, sc, mf, ii)); 1055 sc->scsi_done(sc); 1056 } 1057 } 1058 1059 /* 1060 * mptscsih_search_running_cmds - Delete any commands associated 1061 * with the specified target and lun. Function called only 1062 * when a lun is disable by mid-layer. 1063 * Do NOT access the referenced scsi_cmnd structure or 1064 * members. Will cause either a paging or NULL ptr error. 1065 * (BUT, BUT, BUT, the code does reference it! - mdr) 1066 * @hd: Pointer to a SCSI HOST structure 1067 * @vdevice: per device private data 1068 * 1069 * Returns: None. 1070 * 1071 * Called from slave_destroy. 1072 */ 1073 static void 1074 mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice) 1075 { 1076 SCSIIORequest_t *mf = NULL; 1077 int ii; 1078 struct scsi_cmnd *sc; 1079 struct scsi_lun lun; 1080 MPT_ADAPTER *ioc = hd->ioc; 1081 unsigned long flags; 1082 1083 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 1084 for (ii = 0; ii < ioc->req_depth; ii++) { 1085 if ((sc = ioc->ScsiLookup[ii]) != NULL) { 1086 1087 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii); 1088 if (mf == NULL) 1089 continue; 1090 /* If the device is a hidden raid component, then its 1091 * expected that the mf->function will be RAID_SCSI_IO 1092 */ 1093 if (vdevice->vtarget->tflags & 1094 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function != 1095 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) 1096 continue; 1097 1098 int_to_scsilun(vdevice->lun, &lun); 1099 if ((mf->Bus != vdevice->vtarget->channel) || 1100 (mf->TargetID != vdevice->vtarget->id) || 1101 memcmp(lun.scsi_lun, mf->LUN, 8)) 1102 continue; 1103 1104 if ((unsigned char *)mf != sc->host_scribble) 1105 continue; 1106 ioc->ScsiLookup[ii] = NULL; 1107 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1108 mptscsih_freeChainBuffers(ioc, ii); 1109 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf); 1110 scsi_dma_unmap(sc); 1111 sc->host_scribble = NULL; 1112 sc->result = DID_NO_CONNECT << 16; 1113 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, 1114 MYIOC_s_FMT "completing cmds: fw_channel %d, " 1115 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name, 1116 vdevice->vtarget->channel, vdevice->vtarget->id, 1117 sc, mf, ii)); 1118 sc->scsi_done(sc); 1119 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 1120 } 1121 } 1122 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1123 return; 1124 } 1125 1126 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1127 1128 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1129 /* 1130 * mptscsih_report_queue_full - Report QUEUE_FULL status returned 1131 * from a SCSI target device. 1132 * @sc: Pointer to scsi_cmnd structure 1133 * @pScsiReply: Pointer to SCSIIOReply_t 1134 * @pScsiReq: Pointer to original SCSI request 1135 * 1136 * This routine periodically reports QUEUE_FULL status returned from a 1137 * SCSI target device. It reports this to the console via kernel 1138 * printk() API call, not more than once every 10 seconds. 1139 */ 1140 static void 1141 mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq) 1142 { 1143 long time = jiffies; 1144 MPT_SCSI_HOST *hd; 1145 MPT_ADAPTER *ioc; 1146 1147 if (sc->device == NULL) 1148 return; 1149 if (sc->device->host == NULL) 1150 return; 1151 if ((hd = shost_priv(sc->device->host)) == NULL) 1152 return; 1153 ioc = hd->ioc; 1154 if (time - hd->last_queue_full > 10 * HZ) { 1155 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n", 1156 ioc->name, 0, sc->device->id, sc->device->lun)); 1157 hd->last_queue_full = time; 1158 } 1159 } 1160 1161 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1162 /* 1163 * mptscsih_remove - Removed scsi devices 1164 * @pdev: Pointer to pci_dev structure 1165 * 1166 * 1167 */ 1168 void 1169 mptscsih_remove(struct pci_dev *pdev) 1170 { 1171 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1172 struct Scsi_Host *host = ioc->sh; 1173 MPT_SCSI_HOST *hd; 1174 int sz1; 1175 1176 scsi_remove_host(host); 1177 1178 if((hd = shost_priv(host)) == NULL) 1179 return; 1180 1181 mptscsih_shutdown(pdev); 1182 1183 sz1=0; 1184 1185 if (ioc->ScsiLookup != NULL) { 1186 sz1 = ioc->req_depth * sizeof(void *); 1187 kfree(ioc->ScsiLookup); 1188 ioc->ScsiLookup = NULL; 1189 } 1190 1191 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1192 "Free'd ScsiLookup (%d) memory\n", 1193 ioc->name, sz1)); 1194 1195 kfree(hd->info_kbuf); 1196 1197 /* NULL the Scsi_Host pointer 1198 */ 1199 ioc->sh = NULL; 1200 1201 scsi_host_put(host); 1202 1203 mpt_detach(pdev); 1204 1205 } 1206 1207 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1208 /* 1209 * mptscsih_shutdown - reboot notifier 1210 * 1211 */ 1212 void 1213 mptscsih_shutdown(struct pci_dev *pdev) 1214 { 1215 } 1216 1217 #ifdef CONFIG_PM 1218 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1219 /* 1220 * mptscsih_suspend - Fusion MPT scsi driver suspend routine. 1221 * 1222 * 1223 */ 1224 int 1225 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state) 1226 { 1227 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1228 1229 scsi_block_requests(ioc->sh); 1230 flush_scheduled_work(); 1231 mptscsih_shutdown(pdev); 1232 return mpt_suspend(pdev,state); 1233 } 1234 1235 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1236 /* 1237 * mptscsih_resume - Fusion MPT scsi driver resume routine. 1238 * 1239 * 1240 */ 1241 int 1242 mptscsih_resume(struct pci_dev *pdev) 1243 { 1244 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1245 int rc; 1246 1247 rc = mpt_resume(pdev); 1248 scsi_unblock_requests(ioc->sh); 1249 return rc; 1250 } 1251 1252 #endif 1253 1254 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1255 /** 1256 * mptscsih_info - Return information about MPT adapter 1257 * @SChost: Pointer to Scsi_Host structure 1258 * 1259 * (linux scsi_host_template.info routine) 1260 * 1261 * Returns pointer to buffer where information was written. 1262 */ 1263 const char * 1264 mptscsih_info(struct Scsi_Host *SChost) 1265 { 1266 MPT_SCSI_HOST *h; 1267 int size = 0; 1268 1269 h = shost_priv(SChost); 1270 1271 if (h) { 1272 if (h->info_kbuf == NULL) 1273 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL) 1274 return h->info_kbuf; 1275 h->info_kbuf[0] = '\0'; 1276 1277 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0); 1278 h->info_kbuf[size-1] = '\0'; 1279 } 1280 1281 return h->info_kbuf; 1282 } 1283 1284 struct info_str { 1285 char *buffer; 1286 int length; 1287 int offset; 1288 int pos; 1289 }; 1290 1291 static void 1292 mptscsih_copy_mem_info(struct info_str *info, char *data, int len) 1293 { 1294 if (info->pos + len > info->length) 1295 len = info->length - info->pos; 1296 1297 if (info->pos + len < info->offset) { 1298 info->pos += len; 1299 return; 1300 } 1301 1302 if (info->pos < info->offset) { 1303 data += (info->offset - info->pos); 1304 len -= (info->offset - info->pos); 1305 } 1306 1307 if (len > 0) { 1308 memcpy(info->buffer + info->pos, data, len); 1309 info->pos += len; 1310 } 1311 } 1312 1313 static int 1314 mptscsih_copy_info(struct info_str *info, char *fmt, ...) 1315 { 1316 va_list args; 1317 char buf[81]; 1318 int len; 1319 1320 va_start(args, fmt); 1321 len = vsprintf(buf, fmt, args); 1322 va_end(args); 1323 1324 mptscsih_copy_mem_info(info, buf, len); 1325 return len; 1326 } 1327 1328 static int 1329 mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len) 1330 { 1331 struct info_str info; 1332 1333 info.buffer = pbuf; 1334 info.length = len; 1335 info.offset = offset; 1336 info.pos = 0; 1337 1338 mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name); 1339 mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word); 1340 mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts); 1341 mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth); 1342 1343 return ((info.pos > info.offset) ? info.pos - info.offset : 0); 1344 } 1345 1346 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1347 /** 1348 * mptscsih_proc_info - Return information about MPT adapter 1349 * @host: scsi host struct 1350 * @buffer: if write, user data; if read, buffer for user 1351 * @start: returns the buffer address 1352 * @offset: if write, 0; if read, the current offset into the buffer from 1353 * the previous read. 1354 * @length: if write, return length; 1355 * @func: write = 1; read = 0 1356 * 1357 * (linux scsi_host_template.info routine) 1358 */ 1359 int 1360 mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset, 1361 int length, int func) 1362 { 1363 MPT_SCSI_HOST *hd = shost_priv(host); 1364 MPT_ADAPTER *ioc = hd->ioc; 1365 int size = 0; 1366 1367 if (func) { 1368 /* 1369 * write is not supported 1370 */ 1371 } else { 1372 if (start) 1373 *start = buffer; 1374 1375 size = mptscsih_host_info(ioc, buffer, offset, length); 1376 } 1377 1378 return size; 1379 } 1380 1381 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1382 #define ADD_INDEX_LOG(req_ent) do { } while(0) 1383 1384 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1385 /** 1386 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine. 1387 * @SCpnt: Pointer to scsi_cmnd structure 1388 * @done: Pointer SCSI mid-layer IO completion function 1389 * 1390 * (linux scsi_host_template.queuecommand routine) 1391 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest 1392 * from a linux scsi_cmnd request and send it to the IOC. 1393 * 1394 * Returns 0. (rtn value discarded by linux scsi mid-layer) 1395 */ 1396 int 1397 mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) 1398 { 1399 MPT_SCSI_HOST *hd; 1400 MPT_FRAME_HDR *mf; 1401 SCSIIORequest_t *pScsiReq; 1402 VirtDevice *vdevice = SCpnt->device->hostdata; 1403 u32 datalen; 1404 u32 scsictl; 1405 u32 scsidir; 1406 u32 cmd_len; 1407 int my_idx; 1408 int ii; 1409 MPT_ADAPTER *ioc; 1410 1411 hd = shost_priv(SCpnt->device->host); 1412 ioc = hd->ioc; 1413 SCpnt->scsi_done = done; 1414 1415 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n", 1416 ioc->name, SCpnt, done)); 1417 1418 if (ioc->taskmgmt_quiesce_io) 1419 return SCSI_MLQUEUE_HOST_BUSY; 1420 1421 /* 1422 * Put together a MPT SCSI request... 1423 */ 1424 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) { 1425 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n", 1426 ioc->name)); 1427 return SCSI_MLQUEUE_HOST_BUSY; 1428 } 1429 1430 pScsiReq = (SCSIIORequest_t *) mf; 1431 1432 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 1433 1434 ADD_INDEX_LOG(my_idx); 1435 1436 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)! 1437 * Seems we may receive a buffer (datalen>0) even when there 1438 * will be no data transfer! GRRRRR... 1439 */ 1440 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) { 1441 datalen = scsi_bufflen(SCpnt); 1442 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */ 1443 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) { 1444 datalen = scsi_bufflen(SCpnt); 1445 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */ 1446 } else { 1447 datalen = 0; 1448 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER; 1449 } 1450 1451 /* Default to untagged. Once a target structure has been allocated, 1452 * use the Inquiry data to determine if device supports tagged. 1453 */ 1454 if (vdevice 1455 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) 1456 && (SCpnt->device->tagged_supported)) { 1457 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ; 1458 if (SCpnt->request && SCpnt->request->ioprio) { 1459 if (((SCpnt->request->ioprio & 0x7) == 1) || 1460 !(SCpnt->request->ioprio & 0x7)) 1461 scsictl |= MPI_SCSIIO_CONTROL_HEADOFQ; 1462 } 1463 } else 1464 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED; 1465 1466 1467 /* Use the above information to set up the message frame 1468 */ 1469 pScsiReq->TargetID = (u8) vdevice->vtarget->id; 1470 pScsiReq->Bus = vdevice->vtarget->channel; 1471 pScsiReq->ChainOffset = 0; 1472 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 1473 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 1474 else 1475 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 1476 pScsiReq->CDBLength = SCpnt->cmd_len; 1477 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 1478 pScsiReq->Reserved = 0; 1479 pScsiReq->MsgFlags = mpt_msg_flags(ioc); 1480 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN); 1481 pScsiReq->Control = cpu_to_le32(scsictl); 1482 1483 /* 1484 * Write SCSI CDB into the message 1485 */ 1486 cmd_len = SCpnt->cmd_len; 1487 for (ii=0; ii < cmd_len; ii++) 1488 pScsiReq->CDB[ii] = SCpnt->cmnd[ii]; 1489 1490 for (ii=cmd_len; ii < 16; ii++) 1491 pScsiReq->CDB[ii] = 0; 1492 1493 /* DataLength */ 1494 pScsiReq->DataLength = cpu_to_le32(datalen); 1495 1496 /* SenseBuffer low address */ 1497 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma 1498 + (my_idx * MPT_SENSE_BUFFER_ALLOC)); 1499 1500 /* Now add the SG list 1501 * Always have a SGE even if null length. 1502 */ 1503 if (datalen == 0) { 1504 /* Add a NULL SGE */ 1505 ioc->add_sge((char *)&pScsiReq->SGL, 1506 MPT_SGE_FLAGS_SSIMPLE_READ | 0, 1507 (dma_addr_t) -1); 1508 } else { 1509 /* Add a 32 or 64 bit SGE */ 1510 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS) 1511 goto fail; 1512 } 1513 1514 SCpnt->host_scribble = (unsigned char *)mf; 1515 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt); 1516 1517 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); 1518 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n", 1519 ioc->name, SCpnt, mf, my_idx)); 1520 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf); 1521 return 0; 1522 1523 fail: 1524 mptscsih_freeChainBuffers(ioc, my_idx); 1525 mpt_free_msg_frame(ioc, mf); 1526 return SCSI_MLQUEUE_HOST_BUSY; 1527 } 1528 1529 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1530 /* 1531 * mptscsih_freeChainBuffers - Function to free chain buffers associated 1532 * with a SCSI IO request 1533 * @hd: Pointer to the MPT_SCSI_HOST instance 1534 * @req_idx: Index of the SCSI IO request frame. 1535 * 1536 * Called if SG chain buffer allocation fails and mptscsih callbacks. 1537 * No return. 1538 */ 1539 static void 1540 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx) 1541 { 1542 MPT_FRAME_HDR *chain; 1543 unsigned long flags; 1544 int chain_idx; 1545 int next; 1546 1547 /* Get the first chain index and reset 1548 * tracker state. 1549 */ 1550 chain_idx = ioc->ReqToChain[req_idx]; 1551 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN; 1552 1553 while (chain_idx != MPT_HOST_NO_CHAIN) { 1554 1555 /* Save the next chain buffer index */ 1556 next = ioc->ChainToChain[chain_idx]; 1557 1558 /* Free this chain buffer and reset 1559 * tracker 1560 */ 1561 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN; 1562 1563 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer 1564 + (chain_idx * ioc->req_sz)); 1565 1566 spin_lock_irqsave(&ioc->FreeQlock, flags); 1567 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ); 1568 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 1569 1570 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n", 1571 ioc->name, chain_idx)); 1572 1573 /* handle next */ 1574 chain_idx = next; 1575 } 1576 return; 1577 } 1578 1579 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1580 /* 1581 * Reset Handling 1582 */ 1583 1584 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1585 /** 1586 * mptscsih_IssueTaskMgmt - Generic send Task Management function. 1587 * @hd: Pointer to MPT_SCSI_HOST structure 1588 * @type: Task Management type 1589 * @channel: channel number for task management 1590 * @id: Logical Target ID for reset (if appropriate) 1591 * @lun: Logical Unit for reset (if appropriate) 1592 * @ctx2abort: Context for the task to be aborted (if appropriate) 1593 * @timeout: timeout for task management control 1594 * 1595 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer) 1596 * or a non-interrupt thread. In the former, must not call schedule(). 1597 * 1598 * Not all fields are meaningfull for all task types. 1599 * 1600 * Returns 0 for SUCCESS, or FAILED. 1601 * 1602 **/ 1603 int 1604 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, 1605 int ctx2abort, ulong timeout) 1606 { 1607 MPT_FRAME_HDR *mf; 1608 SCSITaskMgmt_t *pScsiTm; 1609 int ii; 1610 int retval; 1611 MPT_ADAPTER *ioc = hd->ioc; 1612 unsigned long timeleft; 1613 u8 issue_hard_reset; 1614 u32 ioc_raw_state; 1615 unsigned long time_count; 1616 1617 issue_hard_reset = 0; 1618 ioc_raw_state = mpt_GetIocState(ioc, 0); 1619 1620 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) { 1621 printk(MYIOC_s_WARN_FMT 1622 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n", 1623 ioc->name, type, ioc_raw_state); 1624 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n", 1625 ioc->name, __func__); 1626 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0) 1627 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset " 1628 "FAILED!!\n", ioc->name); 1629 return 0; 1630 } 1631 1632 if (ioc_raw_state & MPI_DOORBELL_ACTIVE) { 1633 printk(MYIOC_s_WARN_FMT 1634 "TaskMgmt type=%x: ioc_state: " 1635 "DOORBELL_ACTIVE (0x%x)!\n", 1636 ioc->name, type, ioc_raw_state); 1637 return FAILED; 1638 } 1639 1640 mutex_lock(&ioc->taskmgmt_cmds.mutex); 1641 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) { 1642 mf = NULL; 1643 retval = FAILED; 1644 goto out; 1645 } 1646 1647 /* Return Fail to calling function if no message frames available. 1648 */ 1649 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) { 1650 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1651 "TaskMgmt no msg frames!!\n", ioc->name)); 1652 retval = FAILED; 1653 mpt_clear_taskmgmt_in_progress_flag(ioc); 1654 goto out; 1655 } 1656 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n", 1657 ioc->name, mf)); 1658 1659 /* Format the Request 1660 */ 1661 pScsiTm = (SCSITaskMgmt_t *) mf; 1662 pScsiTm->TargetID = id; 1663 pScsiTm->Bus = channel; 1664 pScsiTm->ChainOffset = 0; 1665 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 1666 1667 pScsiTm->Reserved = 0; 1668 pScsiTm->TaskType = type; 1669 pScsiTm->Reserved1 = 0; 1670 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) 1671 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0; 1672 1673 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN); 1674 1675 for (ii=0; ii < 7; ii++) 1676 pScsiTm->Reserved2[ii] = 0; 1677 1678 pScsiTm->TaskMsgContext = ctx2abort; 1679 1680 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) " 1681 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort, 1682 type, timeout)); 1683 1684 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm); 1685 1686 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status) 1687 time_count = jiffies; 1688 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && 1689 (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) 1690 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf); 1691 else { 1692 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc, 1693 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP); 1694 if (retval) { 1695 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1696 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n", 1697 ioc->name, mf, retval)); 1698 mpt_free_msg_frame(ioc, mf); 1699 mpt_clear_taskmgmt_in_progress_flag(ioc); 1700 goto out; 1701 } 1702 } 1703 1704 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done, 1705 timeout*HZ); 1706 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 1707 retval = FAILED; 1708 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT 1709 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf)); 1710 mpt_clear_taskmgmt_in_progress_flag(ioc); 1711 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) 1712 goto out; 1713 issue_hard_reset = 1; 1714 goto out; 1715 } 1716 1717 retval = mptscsih_taskmgmt_reply(ioc, type, 1718 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply); 1719 1720 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1721 "TaskMgmt completed (%d seconds)\n", 1722 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000)); 1723 1724 out: 1725 1726 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status) 1727 if (issue_hard_reset) { 1728 printk(MYIOC_s_WARN_FMT 1729 "Issuing Reset from %s!! doorbell=0x%08x\n", 1730 ioc->name, __func__, mpt_GetIocState(ioc, 0)); 1731 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 1732 mpt_free_msg_frame(ioc, mf); 1733 } 1734 1735 retval = (retval == 0) ? 0 : FAILED; 1736 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 1737 return retval; 1738 } 1739 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt); 1740 1741 static int 1742 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc) 1743 { 1744 switch (ioc->bus_type) { 1745 case FC: 1746 return 40; 1747 case SAS: 1748 return 30; 1749 case SPI: 1750 default: 1751 return 10; 1752 } 1753 } 1754 1755 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1756 /** 1757 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant 1758 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted 1759 * 1760 * (linux scsi_host_template.eh_abort_handler routine) 1761 * 1762 * Returns SUCCESS or FAILED. 1763 **/ 1764 int 1765 mptscsih_abort(struct scsi_cmnd * SCpnt) 1766 { 1767 MPT_SCSI_HOST *hd; 1768 MPT_FRAME_HDR *mf; 1769 u32 ctx2abort; 1770 int scpnt_idx; 1771 int retval; 1772 VirtDevice *vdevice; 1773 MPT_ADAPTER *ioc; 1774 1775 /* If we can't locate our host adapter structure, return FAILED status. 1776 */ 1777 if ((hd = shost_priv(SCpnt->device->host)) == NULL) { 1778 SCpnt->result = DID_RESET << 16; 1779 SCpnt->scsi_done(SCpnt); 1780 printk(KERN_ERR MYNAM ": task abort: " 1781 "can't locate host! (sc=%p)\n", SCpnt); 1782 return FAILED; 1783 } 1784 1785 ioc = hd->ioc; 1786 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n", 1787 ioc->name, SCpnt); 1788 scsi_print_command(SCpnt); 1789 1790 vdevice = SCpnt->device->hostdata; 1791 if (!vdevice || !vdevice->vtarget) { 1792 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1793 "task abort: device has been deleted (sc=%p)\n", 1794 ioc->name, SCpnt)); 1795 SCpnt->result = DID_NO_CONNECT << 16; 1796 SCpnt->scsi_done(SCpnt); 1797 retval = SUCCESS; 1798 goto out; 1799 } 1800 1801 /* Task aborts are not supported for hidden raid components. 1802 */ 1803 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) { 1804 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1805 "task abort: hidden raid component (sc=%p)\n", 1806 ioc->name, SCpnt)); 1807 SCpnt->result = DID_RESET << 16; 1808 retval = FAILED; 1809 goto out; 1810 } 1811 1812 /* Task aborts are not supported for volumes. 1813 */ 1814 if (vdevice->vtarget->raidVolume) { 1815 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1816 "task abort: raid volume (sc=%p)\n", 1817 ioc->name, SCpnt)); 1818 SCpnt->result = DID_RESET << 16; 1819 retval = FAILED; 1820 goto out; 1821 } 1822 1823 /* Find this command 1824 */ 1825 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) { 1826 /* Cmd not found in ScsiLookup. 1827 * Do OS callback. 1828 */ 1829 SCpnt->result = DID_RESET << 16; 1830 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: " 1831 "Command not in the active list! (sc=%p)\n", ioc->name, 1832 SCpnt)); 1833 retval = SUCCESS; 1834 goto out; 1835 } 1836 1837 if (ioc->timeouts < -1) 1838 ioc->timeouts++; 1839 1840 if (mpt_fwfault_debug) 1841 mpt_halt_firmware(ioc); 1842 1843 /* Most important! Set TaskMsgContext to SCpnt's MsgContext! 1844 * (the IO to be ABORT'd) 1845 * 1846 * NOTE: Since we do not byteswap MsgContext, we do not 1847 * swap it here either. It is an opaque cookie to 1848 * the controller, so it does not matter. -DaveM 1849 */ 1850 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx); 1851 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext; 1852 retval = mptscsih_IssueTaskMgmt(hd, 1853 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, 1854 vdevice->vtarget->channel, 1855 vdevice->vtarget->id, vdevice->lun, 1856 ctx2abort, mptscsih_get_tm_timeout(ioc)); 1857 1858 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) { 1859 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1860 "task abort: command still in active list! (sc=%p)\n", 1861 ioc->name, SCpnt)); 1862 retval = FAILED; 1863 } else { 1864 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1865 "task abort: command cleared from active list! (sc=%p)\n", 1866 ioc->name, SCpnt)); 1867 retval = SUCCESS; 1868 } 1869 1870 out: 1871 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n", 1872 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval, 1873 SCpnt); 1874 1875 return retval; 1876 } 1877 1878 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1879 /** 1880 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant 1881 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1882 * 1883 * (linux scsi_host_template.eh_dev_reset_handler routine) 1884 * 1885 * Returns SUCCESS or FAILED. 1886 **/ 1887 int 1888 mptscsih_dev_reset(struct scsi_cmnd * SCpnt) 1889 { 1890 MPT_SCSI_HOST *hd; 1891 int retval; 1892 VirtDevice *vdevice; 1893 MPT_ADAPTER *ioc; 1894 1895 /* If we can't locate our host adapter structure, return FAILED status. 1896 */ 1897 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1898 printk(KERN_ERR MYNAM ": target reset: " 1899 "Can't locate host! (sc=%p)\n", SCpnt); 1900 return FAILED; 1901 } 1902 1903 ioc = hd->ioc; 1904 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n", 1905 ioc->name, SCpnt); 1906 scsi_print_command(SCpnt); 1907 1908 vdevice = SCpnt->device->hostdata; 1909 if (!vdevice || !vdevice->vtarget) { 1910 retval = 0; 1911 goto out; 1912 } 1913 1914 /* Target reset to hidden raid component is not supported 1915 */ 1916 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) { 1917 retval = FAILED; 1918 goto out; 1919 } 1920 1921 retval = mptscsih_IssueTaskMgmt(hd, 1922 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 1923 vdevice->vtarget->channel, 1924 vdevice->vtarget->id, 0, 0, 1925 mptscsih_get_tm_timeout(ioc)); 1926 1927 out: 1928 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n", 1929 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1930 1931 if (retval == 0) 1932 return SUCCESS; 1933 else 1934 return FAILED; 1935 } 1936 1937 1938 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1939 /** 1940 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant 1941 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1942 * 1943 * (linux scsi_host_template.eh_bus_reset_handler routine) 1944 * 1945 * Returns SUCCESS or FAILED. 1946 **/ 1947 int 1948 mptscsih_bus_reset(struct scsi_cmnd * SCpnt) 1949 { 1950 MPT_SCSI_HOST *hd; 1951 int retval; 1952 VirtDevice *vdevice; 1953 MPT_ADAPTER *ioc; 1954 1955 /* If we can't locate our host adapter structure, return FAILED status. 1956 */ 1957 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1958 printk(KERN_ERR MYNAM ": bus reset: " 1959 "Can't locate host! (sc=%p)\n", SCpnt); 1960 return FAILED; 1961 } 1962 1963 ioc = hd->ioc; 1964 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n", 1965 ioc->name, SCpnt); 1966 scsi_print_command(SCpnt); 1967 1968 if (ioc->timeouts < -1) 1969 ioc->timeouts++; 1970 1971 vdevice = SCpnt->device->hostdata; 1972 if (!vdevice || !vdevice->vtarget) 1973 return SUCCESS; 1974 retval = mptscsih_IssueTaskMgmt(hd, 1975 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, 1976 vdevice->vtarget->channel, 0, 0, 0, 1977 mptscsih_get_tm_timeout(ioc)); 1978 1979 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n", 1980 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1981 1982 if (retval == 0) 1983 return SUCCESS; 1984 else 1985 return FAILED; 1986 } 1987 1988 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1989 /** 1990 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant) 1991 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1992 * 1993 * (linux scsi_host_template.eh_host_reset_handler routine) 1994 * 1995 * Returns SUCCESS or FAILED. 1996 */ 1997 int 1998 mptscsih_host_reset(struct scsi_cmnd *SCpnt) 1999 { 2000 MPT_SCSI_HOST * hd; 2001 int status = SUCCESS; 2002 MPT_ADAPTER *ioc; 2003 int retval; 2004 2005 /* If we can't locate the host to reset, then we failed. */ 2006 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 2007 printk(KERN_ERR MYNAM ": host reset: " 2008 "Can't locate host! (sc=%p)\n", SCpnt); 2009 return FAILED; 2010 } 2011 2012 /* make sure we have no outstanding commands at this stage */ 2013 mptscsih_flush_running_cmds(hd); 2014 2015 ioc = hd->ioc; 2016 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n", 2017 ioc->name, SCpnt); 2018 2019 /* If our attempts to reset the host failed, then return a failed 2020 * status. The host will be taken off line by the SCSI mid-layer. 2021 */ 2022 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 2023 if (retval < 0) 2024 status = FAILED; 2025 else 2026 status = SUCCESS; 2027 2028 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n", 2029 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 2030 2031 return status; 2032 } 2033 2034 static int 2035 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type, 2036 SCSITaskMgmtReply_t *pScsiTmReply) 2037 { 2038 u16 iocstatus; 2039 u32 termination_count; 2040 int retval; 2041 2042 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { 2043 retval = FAILED; 2044 goto out; 2045 } 2046 2047 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply); 2048 2049 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK; 2050 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount); 2051 2052 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2053 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n" 2054 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n" 2055 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus, 2056 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus), 2057 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode, 2058 termination_count)); 2059 2060 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 && 2061 pScsiTmReply->ResponseCode) 2062 mptscsih_taskmgmt_response_code(ioc, 2063 pScsiTmReply->ResponseCode); 2064 2065 if (iocstatus == MPI_IOCSTATUS_SUCCESS) { 2066 retval = 0; 2067 goto out; 2068 } 2069 2070 retval = FAILED; 2071 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) { 2072 if (termination_count == 1) 2073 retval = 0; 2074 goto out; 2075 } 2076 2077 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED || 2078 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED) 2079 retval = 0; 2080 2081 out: 2082 return retval; 2083 } 2084 2085 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2086 void 2087 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code) 2088 { 2089 char *desc; 2090 2091 switch (response_code) { 2092 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE: 2093 desc = "The task completed."; 2094 break; 2095 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME: 2096 desc = "The IOC received an invalid frame status."; 2097 break; 2098 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: 2099 desc = "The task type is not supported."; 2100 break; 2101 case MPI_SCSITASKMGMT_RSP_TM_FAILED: 2102 desc = "The requested task failed."; 2103 break; 2104 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED: 2105 desc = "The task completed successfully."; 2106 break; 2107 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN: 2108 desc = "The LUN request is invalid."; 2109 break; 2110 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: 2111 desc = "The task is in the IOC queue and has not been sent to target."; 2112 break; 2113 default: 2114 desc = "unknown"; 2115 break; 2116 } 2117 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n", 2118 ioc->name, response_code, desc); 2119 } 2120 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code); 2121 2122 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2123 /** 2124 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver 2125 * @ioc: Pointer to MPT_ADAPTER structure 2126 * @mf: Pointer to SCSI task mgmt request frame 2127 * @mr: Pointer to SCSI task mgmt reply frame 2128 * 2129 * This routine is called from mptbase.c::mpt_interrupt() at the completion 2130 * of any SCSI task management request. 2131 * This routine is registered with the MPT (base) driver at driver 2132 * load/init time via the mpt_register() API call. 2133 * 2134 * Returns 1 indicating alloc'd request frame ptr should be freed. 2135 **/ 2136 int 2137 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, 2138 MPT_FRAME_HDR *mr) 2139 { 2140 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2141 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr)); 2142 2143 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 2144 2145 if (!mr) 2146 goto out; 2147 2148 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID; 2149 memcpy(ioc->taskmgmt_cmds.reply, mr, 2150 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength)); 2151 out: 2152 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) { 2153 mpt_clear_taskmgmt_in_progress_flag(ioc); 2154 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 2155 complete(&ioc->taskmgmt_cmds.done); 2156 if (ioc->bus_type == SAS) 2157 ioc->schedule_target_reset(ioc); 2158 return 1; 2159 } 2160 return 0; 2161 } 2162 2163 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2164 /* 2165 * This is anyones guess quite frankly. 2166 */ 2167 int 2168 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev, 2169 sector_t capacity, int geom[]) 2170 { 2171 int heads; 2172 int sectors; 2173 sector_t cylinders; 2174 ulong dummy; 2175 2176 heads = 64; 2177 sectors = 32; 2178 2179 dummy = heads * sectors; 2180 cylinders = capacity; 2181 sector_div(cylinders,dummy); 2182 2183 /* 2184 * Handle extended translation size for logical drives 2185 * > 1Gb 2186 */ 2187 if ((ulong)capacity >= 0x200000) { 2188 heads = 255; 2189 sectors = 63; 2190 dummy = heads * sectors; 2191 cylinders = capacity; 2192 sector_div(cylinders,dummy); 2193 } 2194 2195 /* return result */ 2196 geom[0] = heads; 2197 geom[1] = sectors; 2198 geom[2] = cylinders; 2199 2200 return 0; 2201 } 2202 2203 /* Search IOC page 3 to determine if this is hidden physical disk 2204 * 2205 */ 2206 int 2207 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id) 2208 { 2209 struct inactive_raid_component_info *component_info; 2210 int i, j; 2211 RaidPhysDiskPage1_t *phys_disk; 2212 int rc = 0; 2213 int num_paths; 2214 2215 if (!ioc->raid_data.pIocPg3) 2216 goto out; 2217 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2218 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) && 2219 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) { 2220 rc = 1; 2221 goto out; 2222 } 2223 } 2224 2225 if (ioc->bus_type != SAS) 2226 goto out; 2227 2228 /* 2229 * Check if dual path 2230 */ 2231 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2232 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, 2233 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum); 2234 if (num_paths < 2) 2235 continue; 2236 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) + 2237 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL); 2238 if (!phys_disk) 2239 continue; 2240 if ((mpt_raid_phys_disk_pg1(ioc, 2241 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum, 2242 phys_disk))) { 2243 kfree(phys_disk); 2244 continue; 2245 } 2246 for (j = 0; j < num_paths; j++) { 2247 if ((phys_disk->Path[j].Flags & 2248 MPI_RAID_PHYSDISK1_FLAG_INVALID)) 2249 continue; 2250 if ((phys_disk->Path[j].Flags & 2251 MPI_RAID_PHYSDISK1_FLAG_BROKEN)) 2252 continue; 2253 if ((id == phys_disk->Path[j].PhysDiskID) && 2254 (channel == phys_disk->Path[j].PhysDiskBus)) { 2255 rc = 1; 2256 kfree(phys_disk); 2257 goto out; 2258 } 2259 } 2260 kfree(phys_disk); 2261 } 2262 2263 2264 /* 2265 * Check inactive list for matching phys disks 2266 */ 2267 if (list_empty(&ioc->raid_data.inactive_list)) 2268 goto out; 2269 2270 mutex_lock(&ioc->raid_data.inactive_list_mutex); 2271 list_for_each_entry(component_info, &ioc->raid_data.inactive_list, 2272 list) { 2273 if ((component_info->d.PhysDiskID == id) && 2274 (component_info->d.PhysDiskBus == channel)) 2275 rc = 1; 2276 } 2277 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 2278 2279 out: 2280 return rc; 2281 } 2282 EXPORT_SYMBOL(mptscsih_is_phys_disk); 2283 2284 u8 2285 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id) 2286 { 2287 struct inactive_raid_component_info *component_info; 2288 int i, j; 2289 RaidPhysDiskPage1_t *phys_disk; 2290 int rc = -ENXIO; 2291 int num_paths; 2292 2293 if (!ioc->raid_data.pIocPg3) 2294 goto out; 2295 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2296 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) && 2297 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) { 2298 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum; 2299 goto out; 2300 } 2301 } 2302 2303 if (ioc->bus_type != SAS) 2304 goto out; 2305 2306 /* 2307 * Check if dual path 2308 */ 2309 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2310 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, 2311 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum); 2312 if (num_paths < 2) 2313 continue; 2314 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) + 2315 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL); 2316 if (!phys_disk) 2317 continue; 2318 if ((mpt_raid_phys_disk_pg1(ioc, 2319 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum, 2320 phys_disk))) { 2321 kfree(phys_disk); 2322 continue; 2323 } 2324 for (j = 0; j < num_paths; j++) { 2325 if ((phys_disk->Path[j].Flags & 2326 MPI_RAID_PHYSDISK1_FLAG_INVALID)) 2327 continue; 2328 if ((phys_disk->Path[j].Flags & 2329 MPI_RAID_PHYSDISK1_FLAG_BROKEN)) 2330 continue; 2331 if ((id == phys_disk->Path[j].PhysDiskID) && 2332 (channel == phys_disk->Path[j].PhysDiskBus)) { 2333 rc = phys_disk->PhysDiskNum; 2334 kfree(phys_disk); 2335 goto out; 2336 } 2337 } 2338 kfree(phys_disk); 2339 } 2340 2341 /* 2342 * Check inactive list for matching phys disks 2343 */ 2344 if (list_empty(&ioc->raid_data.inactive_list)) 2345 goto out; 2346 2347 mutex_lock(&ioc->raid_data.inactive_list_mutex); 2348 list_for_each_entry(component_info, &ioc->raid_data.inactive_list, 2349 list) { 2350 if ((component_info->d.PhysDiskID == id) && 2351 (component_info->d.PhysDiskBus == channel)) 2352 rc = component_info->d.PhysDiskNum; 2353 } 2354 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 2355 2356 out: 2357 return rc; 2358 } 2359 EXPORT_SYMBOL(mptscsih_raid_id_to_num); 2360 2361 /* 2362 * OS entry point to allow for host driver to free allocated memory 2363 * Called if no device present or device being unloaded 2364 */ 2365 void 2366 mptscsih_slave_destroy(struct scsi_device *sdev) 2367 { 2368 struct Scsi_Host *host = sdev->host; 2369 MPT_SCSI_HOST *hd = shost_priv(host); 2370 VirtTarget *vtarget; 2371 VirtDevice *vdevice; 2372 struct scsi_target *starget; 2373 2374 starget = scsi_target(sdev); 2375 vtarget = starget->hostdata; 2376 vdevice = sdev->hostdata; 2377 if (!vdevice) 2378 return; 2379 2380 mptscsih_search_running_cmds(hd, vdevice); 2381 vtarget->num_luns--; 2382 mptscsih_synchronize_cache(hd, vdevice); 2383 kfree(vdevice); 2384 sdev->hostdata = NULL; 2385 } 2386 2387 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2388 /* 2389 * mptscsih_change_queue_depth - This function will set a devices queue depth 2390 * @sdev: per scsi_device pointer 2391 * @qdepth: requested queue depth 2392 * @reason: calling context 2393 * 2394 * Adding support for new 'change_queue_depth' api. 2395 */ 2396 int 2397 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) 2398 { 2399 MPT_SCSI_HOST *hd = shost_priv(sdev->host); 2400 VirtTarget *vtarget; 2401 struct scsi_target *starget; 2402 int max_depth; 2403 int tagged; 2404 MPT_ADAPTER *ioc = hd->ioc; 2405 2406 starget = scsi_target(sdev); 2407 vtarget = starget->hostdata; 2408 2409 if (reason != SCSI_QDEPTH_DEFAULT) 2410 return -EOPNOTSUPP; 2411 2412 if (ioc->bus_type == SPI) { 2413 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)) 2414 max_depth = 1; 2415 else if (sdev->type == TYPE_DISK && 2416 vtarget->minSyncFactor <= MPT_ULTRA160) 2417 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH; 2418 else 2419 max_depth = MPT_SCSI_CMD_PER_DEV_LOW; 2420 } else 2421 max_depth = ioc->sh->can_queue; 2422 2423 if (!sdev->tagged_supported) 2424 max_depth = 1; 2425 2426 if (qdepth > max_depth) 2427 qdepth = max_depth; 2428 if (qdepth == 1) 2429 tagged = 0; 2430 else 2431 tagged = MSG_SIMPLE_TAG; 2432 2433 scsi_adjust_queue_depth(sdev, tagged, qdepth); 2434 return sdev->queue_depth; 2435 } 2436 2437 /* 2438 * OS entry point to adjust the queue_depths on a per-device basis. 2439 * Called once per device the bus scan. Use it to force the queue_depth 2440 * member to 1 if a device does not support Q tags. 2441 * Return non-zero if fails. 2442 */ 2443 int 2444 mptscsih_slave_configure(struct scsi_device *sdev) 2445 { 2446 struct Scsi_Host *sh = sdev->host; 2447 VirtTarget *vtarget; 2448 VirtDevice *vdevice; 2449 struct scsi_target *starget; 2450 MPT_SCSI_HOST *hd = shost_priv(sh); 2451 MPT_ADAPTER *ioc = hd->ioc; 2452 2453 starget = scsi_target(sdev); 2454 vtarget = starget->hostdata; 2455 vdevice = sdev->hostdata; 2456 2457 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2458 "device @ %p, channel=%d, id=%d, lun=%d\n", 2459 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun)); 2460 if (ioc->bus_type == SPI) 2461 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2462 "sdtr %d wdtr %d ppr %d inq length=%d\n", 2463 ioc->name, sdev->sdtr, sdev->wdtr, 2464 sdev->ppr, sdev->inquiry_len)); 2465 2466 vdevice->configured_lun = 1; 2467 2468 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2469 "Queue depth=%d, tflags=%x\n", 2470 ioc->name, sdev->queue_depth, vtarget->tflags)); 2471 2472 if (ioc->bus_type == SPI) 2473 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2474 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n", 2475 ioc->name, vtarget->negoFlags, vtarget->maxOffset, 2476 vtarget->minSyncFactor)); 2477 2478 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH, 2479 SCSI_QDEPTH_DEFAULT); 2480 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2481 "tagged %d, simple %d, ordered %d\n", 2482 ioc->name,sdev->tagged_supported, sdev->simple_tags, 2483 sdev->ordered_tags)); 2484 2485 blk_queue_dma_alignment (sdev->request_queue, 512 - 1); 2486 2487 return 0; 2488 } 2489 2490 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2491 /* 2492 * Private routines... 2493 */ 2494 2495 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2496 /* Utility function to copy sense data from the scsi_cmnd buffer 2497 * to the FC and SCSI target structures. 2498 * 2499 */ 2500 static void 2501 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply) 2502 { 2503 VirtDevice *vdevice; 2504 SCSIIORequest_t *pReq; 2505 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount); 2506 MPT_ADAPTER *ioc = hd->ioc; 2507 2508 /* Get target structure 2509 */ 2510 pReq = (SCSIIORequest_t *) mf; 2511 vdevice = sc->device->hostdata; 2512 2513 if (sense_count) { 2514 u8 *sense_data; 2515 int req_index; 2516 2517 /* Copy the sense received into the scsi command block. */ 2518 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 2519 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC)); 2520 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc)); 2521 2522 /* Log SMART data (asc = 0x5D, non-IM case only) if required. 2523 */ 2524 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) { 2525 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) { 2526 int idx; 2527 2528 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE; 2529 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE; 2530 ioc->events[idx].eventContext = ioc->eventContext; 2531 2532 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) | 2533 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) | 2534 (sc->device->channel << 8) | sc->device->id; 2535 2536 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12]; 2537 2538 ioc->eventContext++; 2539 if (ioc->pcidev->vendor == 2540 PCI_VENDOR_ID_IBM) { 2541 mptscsih_issue_sep_command(ioc, 2542 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); 2543 vdevice->vtarget->tflags |= 2544 MPT_TARGET_FLAGS_LED_ON; 2545 } 2546 } 2547 } 2548 } else { 2549 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n", 2550 ioc->name)); 2551 } 2552 } 2553 2554 /** 2555 * mptscsih_get_scsi_lookup - retrieves scmd entry 2556 * @ioc: Pointer to MPT_ADAPTER structure 2557 * @i: index into the array 2558 * 2559 * Returns the scsi_cmd pointer 2560 */ 2561 struct scsi_cmnd * 2562 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i) 2563 { 2564 unsigned long flags; 2565 struct scsi_cmnd *scmd; 2566 2567 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2568 scmd = ioc->ScsiLookup[i]; 2569 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2570 2571 return scmd; 2572 } 2573 EXPORT_SYMBOL(mptscsih_get_scsi_lookup); 2574 2575 /** 2576 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list 2577 * @ioc: Pointer to MPT_ADAPTER structure 2578 * @i: index into the array 2579 * 2580 * Returns the scsi_cmd pointer 2581 * 2582 **/ 2583 static struct scsi_cmnd * 2584 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i) 2585 { 2586 unsigned long flags; 2587 struct scsi_cmnd *scmd; 2588 2589 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2590 scmd = ioc->ScsiLookup[i]; 2591 ioc->ScsiLookup[i] = NULL; 2592 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2593 2594 return scmd; 2595 } 2596 2597 /** 2598 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list 2599 * 2600 * @ioc: Pointer to MPT_ADAPTER structure 2601 * @i: index into the array 2602 * @scmd: scsi_cmnd pointer 2603 * 2604 **/ 2605 static void 2606 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd) 2607 { 2608 unsigned long flags; 2609 2610 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2611 ioc->ScsiLookup[i] = scmd; 2612 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2613 } 2614 2615 /** 2616 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list 2617 * @ioc: Pointer to MPT_ADAPTER structure 2618 * @sc: scsi_cmnd pointer 2619 */ 2620 static int 2621 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc) 2622 { 2623 unsigned long flags; 2624 int i, index=-1; 2625 2626 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2627 for (i = 0; i < ioc->req_depth; i++) { 2628 if (ioc->ScsiLookup[i] == sc) { 2629 index = i; 2630 goto out; 2631 } 2632 } 2633 2634 out: 2635 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2636 return index; 2637 } 2638 2639 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2640 int 2641 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) 2642 { 2643 MPT_SCSI_HOST *hd; 2644 2645 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL) 2646 return 0; 2647 2648 hd = shost_priv(ioc->sh); 2649 switch (reset_phase) { 2650 case MPT_IOC_SETUP_RESET: 2651 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2652 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__)); 2653 break; 2654 case MPT_IOC_PRE_RESET: 2655 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2656 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__)); 2657 mptscsih_flush_running_cmds(hd); 2658 break; 2659 case MPT_IOC_POST_RESET: 2660 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2661 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__)); 2662 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) { 2663 ioc->internal_cmds.status |= 2664 MPT_MGMT_STATUS_DID_IOCRESET; 2665 complete(&ioc->internal_cmds.done); 2666 } 2667 break; 2668 default: 2669 break; 2670 } 2671 return 1; /* currently means nothing really */ 2672 } 2673 2674 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2675 int 2676 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) 2677 { 2678 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; 2679 2680 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2681 "MPT event (=%02Xh) routed to SCSI host driver!\n", 2682 ioc->name, event)); 2683 2684 if ((event == MPI_EVENT_IOC_BUS_RESET || 2685 event == MPI_EVENT_EXT_BUS_RESET) && 2686 (ioc->bus_type == SPI) && (ioc->soft_resets < -1)) 2687 ioc->soft_resets++; 2688 2689 return 1; /* currently means nothing really */ 2690 } 2691 2692 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2693 /* 2694 * Bus Scan and Domain Validation functionality ... 2695 */ 2696 2697 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2698 /* 2699 * mptscsih_scandv_complete - Scan and DV callback routine registered 2700 * to Fustion MPT (base) driver. 2701 * 2702 * @ioc: Pointer to MPT_ADAPTER structure 2703 * @mf: Pointer to original MPT request frame 2704 * @mr: Pointer to MPT reply frame (NULL if TurboReply) 2705 * 2706 * This routine is called from mpt.c::mpt_interrupt() at the completion 2707 * of any SCSI IO request. 2708 * This routine is registered with the Fusion MPT (base) driver at driver 2709 * load/init time via the mpt_register() API call. 2710 * 2711 * Returns 1 indicating alloc'd request frame ptr should be freed. 2712 * 2713 * Remark: Sets a completion code and (possibly) saves sense data 2714 * in the IOC member localReply structure. 2715 * Used ONLY for DV and other internal commands. 2716 */ 2717 int 2718 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, 2719 MPT_FRAME_HDR *reply) 2720 { 2721 SCSIIORequest_t *pReq; 2722 SCSIIOReply_t *pReply; 2723 u8 cmd; 2724 u16 req_idx; 2725 u8 *sense_data; 2726 int sz; 2727 2728 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 2729 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD; 2730 if (!reply) 2731 goto out; 2732 2733 pReply = (SCSIIOReply_t *) reply; 2734 pReq = (SCSIIORequest_t *) req; 2735 ioc->internal_cmds.completion_code = 2736 mptscsih_get_completion_code(ioc, req, reply); 2737 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID; 2738 memcpy(ioc->internal_cmds.reply, reply, 2739 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength)); 2740 cmd = reply->u.hdr.Function; 2741 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) || 2742 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) && 2743 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) { 2744 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx); 2745 sense_data = ((u8 *)ioc->sense_buf_pool + 2746 (req_idx * MPT_SENSE_BUFFER_ALLOC)); 2747 sz = min_t(int, pReq->SenseBufferLength, 2748 MPT_SENSE_BUFFER_ALLOC); 2749 memcpy(ioc->internal_cmds.sense, sense_data, sz); 2750 } 2751 out: 2752 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING)) 2753 return 0; 2754 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 2755 complete(&ioc->internal_cmds.done); 2756 return 1; 2757 } 2758 2759 2760 /** 2761 * mptscsih_get_completion_code - get completion code from MPT request 2762 * @ioc: Pointer to MPT_ADAPTER structure 2763 * @req: Pointer to original MPT request frame 2764 * @reply: Pointer to MPT reply frame (NULL if TurboReply) 2765 * 2766 **/ 2767 static int 2768 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, 2769 MPT_FRAME_HDR *reply) 2770 { 2771 SCSIIOReply_t *pReply; 2772 MpiRaidActionReply_t *pr; 2773 u8 scsi_status; 2774 u16 status; 2775 int completion_code; 2776 2777 pReply = (SCSIIOReply_t *)reply; 2778 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK; 2779 scsi_status = pReply->SCSIStatus; 2780 2781 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2782 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh," 2783 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState, 2784 scsi_status, le32_to_cpu(pReply->IOCLogInfo))); 2785 2786 switch (status) { 2787 2788 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ 2789 completion_code = MPT_SCANDV_SELECTION_TIMEOUT; 2790 break; 2791 2792 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ 2793 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ 2794 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ 2795 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ 2796 completion_code = MPT_SCANDV_DID_RESET; 2797 break; 2798 2799 case MPI_IOCSTATUS_BUSY: 2800 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: 2801 completion_code = MPT_SCANDV_BUSY; 2802 break; 2803 2804 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ 2805 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ 2806 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ 2807 if (pReply->Function == MPI_FUNCTION_CONFIG) { 2808 completion_code = MPT_SCANDV_GOOD; 2809 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) { 2810 pr = (MpiRaidActionReply_t *)reply; 2811 if (le16_to_cpu(pr->ActionStatus) == 2812 MPI_RAID_ACTION_ASTATUS_SUCCESS) 2813 completion_code = MPT_SCANDV_GOOD; 2814 else 2815 completion_code = MPT_SCANDV_SOME_ERROR; 2816 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) 2817 completion_code = MPT_SCANDV_SENSE; 2818 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) { 2819 if (req->u.scsireq.CDB[0] == INQUIRY) 2820 completion_code = MPT_SCANDV_ISSUE_SENSE; 2821 else 2822 completion_code = MPT_SCANDV_DID_RESET; 2823 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS) 2824 completion_code = MPT_SCANDV_DID_RESET; 2825 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) 2826 completion_code = MPT_SCANDV_DID_RESET; 2827 else if (scsi_status == MPI_SCSI_STATUS_BUSY) 2828 completion_code = MPT_SCANDV_BUSY; 2829 else 2830 completion_code = MPT_SCANDV_GOOD; 2831 break; 2832 2833 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ 2834 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) 2835 completion_code = MPT_SCANDV_DID_RESET; 2836 else 2837 completion_code = MPT_SCANDV_SOME_ERROR; 2838 break; 2839 default: 2840 completion_code = MPT_SCANDV_SOME_ERROR; 2841 break; 2842 2843 } /* switch(status) */ 2844 2845 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2846 " completionCode set to %08xh\n", ioc->name, completion_code)); 2847 return completion_code; 2848 } 2849 2850 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2851 /** 2852 * mptscsih_do_cmd - Do internal command. 2853 * @hd: MPT_SCSI_HOST pointer 2854 * @io: INTERNAL_CMD pointer. 2855 * 2856 * Issue the specified internally generated command and do command 2857 * specific cleanup. For bus scan / DV only. 2858 * NOTES: If command is Inquiry and status is good, 2859 * initialize a target structure, save the data 2860 * 2861 * Remark: Single threaded access only. 2862 * 2863 * Return: 2864 * < 0 if an illegal command or no resources 2865 * 2866 * 0 if good 2867 * 2868 * > 0 if command complete but some type of completion error. 2869 */ 2870 static int 2871 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io) 2872 { 2873 MPT_FRAME_HDR *mf; 2874 SCSIIORequest_t *pScsiReq; 2875 int my_idx, ii, dir; 2876 int timeout; 2877 char cmdLen; 2878 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; 2879 u8 cmd = io->cmd; 2880 MPT_ADAPTER *ioc = hd->ioc; 2881 int ret = 0; 2882 unsigned long timeleft; 2883 unsigned long flags; 2884 2885 /* don't send internal command during diag reset */ 2886 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 2887 if (ioc->ioc_reset_in_progress) { 2888 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 2889 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2890 "%s: busy with host reset\n", ioc->name, __func__)); 2891 return MPT_SCANDV_BUSY; 2892 } 2893 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 2894 2895 mutex_lock(&ioc->internal_cmds.mutex); 2896 2897 /* Set command specific information 2898 */ 2899 switch (cmd) { 2900 case INQUIRY: 2901 cmdLen = 6; 2902 dir = MPI_SCSIIO_CONTROL_READ; 2903 CDB[0] = cmd; 2904 CDB[4] = io->size; 2905 timeout = 10; 2906 break; 2907 2908 case TEST_UNIT_READY: 2909 cmdLen = 6; 2910 dir = MPI_SCSIIO_CONTROL_READ; 2911 timeout = 10; 2912 break; 2913 2914 case START_STOP: 2915 cmdLen = 6; 2916 dir = MPI_SCSIIO_CONTROL_READ; 2917 CDB[0] = cmd; 2918 CDB[4] = 1; /*Spin up the disk */ 2919 timeout = 15; 2920 break; 2921 2922 case REQUEST_SENSE: 2923 cmdLen = 6; 2924 CDB[0] = cmd; 2925 CDB[4] = io->size; 2926 dir = MPI_SCSIIO_CONTROL_READ; 2927 timeout = 10; 2928 break; 2929 2930 case READ_BUFFER: 2931 cmdLen = 10; 2932 dir = MPI_SCSIIO_CONTROL_READ; 2933 CDB[0] = cmd; 2934 if (io->flags & MPT_ICFLAG_ECHO) { 2935 CDB[1] = 0x0A; 2936 } else { 2937 CDB[1] = 0x02; 2938 } 2939 2940 if (io->flags & MPT_ICFLAG_BUF_CAP) { 2941 CDB[1] |= 0x01; 2942 } 2943 CDB[6] = (io->size >> 16) & 0xFF; 2944 CDB[7] = (io->size >> 8) & 0xFF; 2945 CDB[8] = io->size & 0xFF; 2946 timeout = 10; 2947 break; 2948 2949 case WRITE_BUFFER: 2950 cmdLen = 10; 2951 dir = MPI_SCSIIO_CONTROL_WRITE; 2952 CDB[0] = cmd; 2953 if (io->flags & MPT_ICFLAG_ECHO) { 2954 CDB[1] = 0x0A; 2955 } else { 2956 CDB[1] = 0x02; 2957 } 2958 CDB[6] = (io->size >> 16) & 0xFF; 2959 CDB[7] = (io->size >> 8) & 0xFF; 2960 CDB[8] = io->size & 0xFF; 2961 timeout = 10; 2962 break; 2963 2964 case RESERVE: 2965 cmdLen = 6; 2966 dir = MPI_SCSIIO_CONTROL_READ; 2967 CDB[0] = cmd; 2968 timeout = 10; 2969 break; 2970 2971 case RELEASE: 2972 cmdLen = 6; 2973 dir = MPI_SCSIIO_CONTROL_READ; 2974 CDB[0] = cmd; 2975 timeout = 10; 2976 break; 2977 2978 case SYNCHRONIZE_CACHE: 2979 cmdLen = 10; 2980 dir = MPI_SCSIIO_CONTROL_READ; 2981 CDB[0] = cmd; 2982 // CDB[1] = 0x02; /* set immediate bit */ 2983 timeout = 10; 2984 break; 2985 2986 default: 2987 /* Error Case */ 2988 ret = -EFAULT; 2989 goto out; 2990 } 2991 2992 /* Get and Populate a free Frame 2993 * MsgContext set in mpt_get_msg_frame call 2994 */ 2995 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) { 2996 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n", 2997 ioc->name, __func__)); 2998 ret = MPT_SCANDV_BUSY; 2999 goto out; 3000 } 3001 3002 pScsiReq = (SCSIIORequest_t *) mf; 3003 3004 /* Get the request index */ 3005 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 3006 ADD_INDEX_LOG(my_idx); /* for debug */ 3007 3008 if (io->flags & MPT_ICFLAG_PHYS_DISK) { 3009 pScsiReq->TargetID = io->physDiskNum; 3010 pScsiReq->Bus = 0; 3011 pScsiReq->ChainOffset = 0; 3012 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 3013 } else { 3014 pScsiReq->TargetID = io->id; 3015 pScsiReq->Bus = io->channel; 3016 pScsiReq->ChainOffset = 0; 3017 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 3018 } 3019 3020 pScsiReq->CDBLength = cmdLen; 3021 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 3022 3023 pScsiReq->Reserved = 0; 3024 3025 pScsiReq->MsgFlags = mpt_msg_flags(ioc); 3026 /* MsgContext set in mpt_get_msg_fram call */ 3027 3028 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN); 3029 3030 if (io->flags & MPT_ICFLAG_TAGGED_CMD) 3031 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ); 3032 else 3033 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); 3034 3035 if (cmd == REQUEST_SENSE) { 3036 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); 3037 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3038 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd)); 3039 } 3040 3041 for (ii = 0; ii < 16; ii++) 3042 pScsiReq->CDB[ii] = CDB[ii]; 3043 3044 pScsiReq->DataLength = cpu_to_le32(io->size); 3045 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma 3046 + (my_idx * MPT_SENSE_BUFFER_ALLOC)); 3047 3048 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3049 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n", 3050 ioc->name, __func__, cmd, io->channel, io->id, io->lun)); 3051 3052 if (dir == MPI_SCSIIO_CONTROL_READ) 3053 ioc->add_sge((char *) &pScsiReq->SGL, 3054 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma); 3055 else 3056 ioc->add_sge((char *) &pScsiReq->SGL, 3057 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma); 3058 3059 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status) 3060 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf); 3061 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done, 3062 timeout*HZ); 3063 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 3064 ret = MPT_SCANDV_DID_RESET; 3065 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3066 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__, 3067 cmd)); 3068 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { 3069 mpt_free_msg_frame(ioc, mf); 3070 goto out; 3071 } 3072 if (!timeleft) { 3073 printk(MYIOC_s_WARN_FMT 3074 "Issuing Reset from %s!! doorbell=0x%08xh" 3075 " cmd=0x%02x\n", 3076 ioc->name, __func__, mpt_GetIocState(ioc, 0), 3077 cmd); 3078 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 3079 mpt_free_msg_frame(ioc, mf); 3080 } 3081 goto out; 3082 } 3083 3084 ret = ioc->internal_cmds.completion_code; 3085 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n", 3086 ioc->name, __func__, ret)); 3087 3088 out: 3089 CLEAR_MGMT_STATUS(ioc->internal_cmds.status) 3090 mutex_unlock(&ioc->internal_cmds.mutex); 3091 return ret; 3092 } 3093 3094 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3095 /** 3096 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks. 3097 * @hd: Pointer to a SCSI HOST structure 3098 * @vdevice: virtual target device 3099 * 3100 * Uses the ISR, but with special processing. 3101 * MUST be single-threaded. 3102 * 3103 */ 3104 static void 3105 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice) 3106 { 3107 INTERNAL_CMD iocmd; 3108 3109 /* Ignore hidden raid components, this is handled when the command 3110 * is sent to the volume 3111 */ 3112 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 3113 return; 3114 3115 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted || 3116 !vdevice->configured_lun) 3117 return; 3118 3119 /* Following parameters will not change 3120 * in this routine. 3121 */ 3122 iocmd.cmd = SYNCHRONIZE_CACHE; 3123 iocmd.flags = 0; 3124 iocmd.physDiskNum = -1; 3125 iocmd.data = NULL; 3126 iocmd.data_dma = -1; 3127 iocmd.size = 0; 3128 iocmd.rsvd = iocmd.rsvd2 = 0; 3129 iocmd.channel = vdevice->vtarget->channel; 3130 iocmd.id = vdevice->vtarget->id; 3131 iocmd.lun = vdevice->lun; 3132 3133 mptscsih_do_cmd(hd, &iocmd); 3134 } 3135 3136 static ssize_t 3137 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr, 3138 char *buf) 3139 { 3140 struct Scsi_Host *host = class_to_shost(dev); 3141 MPT_SCSI_HOST *hd = shost_priv(host); 3142 MPT_ADAPTER *ioc = hd->ioc; 3143 3144 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", 3145 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, 3146 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, 3147 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, 3148 ioc->facts.FWVersion.Word & 0x000000FF); 3149 } 3150 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL); 3151 3152 static ssize_t 3153 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr, 3154 char *buf) 3155 { 3156 struct Scsi_Host *host = class_to_shost(dev); 3157 MPT_SCSI_HOST *hd = shost_priv(host); 3158 MPT_ADAPTER *ioc = hd->ioc; 3159 3160 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 3161 (ioc->biosVersion & 0xFF000000) >> 24, 3162 (ioc->biosVersion & 0x00FF0000) >> 16, 3163 (ioc->biosVersion & 0x0000FF00) >> 8, 3164 ioc->biosVersion & 0x000000FF); 3165 } 3166 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL); 3167 3168 static ssize_t 3169 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr, 3170 char *buf) 3171 { 3172 struct Scsi_Host *host = class_to_shost(dev); 3173 MPT_SCSI_HOST *hd = shost_priv(host); 3174 MPT_ADAPTER *ioc = hd->ioc; 3175 3176 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion); 3177 } 3178 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL); 3179 3180 static ssize_t 3181 mptscsih_version_product_show(struct device *dev, 3182 struct device_attribute *attr, 3183 char *buf) 3184 { 3185 struct Scsi_Host *host = class_to_shost(dev); 3186 MPT_SCSI_HOST *hd = shost_priv(host); 3187 MPT_ADAPTER *ioc = hd->ioc; 3188 3189 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name); 3190 } 3191 static DEVICE_ATTR(version_product, S_IRUGO, 3192 mptscsih_version_product_show, NULL); 3193 3194 static ssize_t 3195 mptscsih_version_nvdata_persistent_show(struct device *dev, 3196 struct device_attribute *attr, 3197 char *buf) 3198 { 3199 struct Scsi_Host *host = class_to_shost(dev); 3200 MPT_SCSI_HOST *hd = shost_priv(host); 3201 MPT_ADAPTER *ioc = hd->ioc; 3202 3203 return snprintf(buf, PAGE_SIZE, "%02xh\n", 3204 ioc->nvdata_version_persistent); 3205 } 3206 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO, 3207 mptscsih_version_nvdata_persistent_show, NULL); 3208 3209 static ssize_t 3210 mptscsih_version_nvdata_default_show(struct device *dev, 3211 struct device_attribute *attr, char *buf) 3212 { 3213 struct Scsi_Host *host = class_to_shost(dev); 3214 MPT_SCSI_HOST *hd = shost_priv(host); 3215 MPT_ADAPTER *ioc = hd->ioc; 3216 3217 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default); 3218 } 3219 static DEVICE_ATTR(version_nvdata_default, S_IRUGO, 3220 mptscsih_version_nvdata_default_show, NULL); 3221 3222 static ssize_t 3223 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr, 3224 char *buf) 3225 { 3226 struct Scsi_Host *host = class_to_shost(dev); 3227 MPT_SCSI_HOST *hd = shost_priv(host); 3228 MPT_ADAPTER *ioc = hd->ioc; 3229 3230 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name); 3231 } 3232 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL); 3233 3234 static ssize_t 3235 mptscsih_board_assembly_show(struct device *dev, 3236 struct device_attribute *attr, 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, "%s\n", ioc->board_assembly); 3243 } 3244 static DEVICE_ATTR(board_assembly, S_IRUGO, 3245 mptscsih_board_assembly_show, NULL); 3246 3247 static ssize_t 3248 mptscsih_board_tracer_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, "%s\n", ioc->board_tracer); 3256 } 3257 static DEVICE_ATTR(board_tracer, S_IRUGO, 3258 mptscsih_board_tracer_show, NULL); 3259 3260 static ssize_t 3261 mptscsih_io_delay_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, "%02d\n", ioc->io_missing_delay); 3269 } 3270 static DEVICE_ATTR(io_delay, S_IRUGO, 3271 mptscsih_io_delay_show, NULL); 3272 3273 static ssize_t 3274 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr, 3275 char *buf) 3276 { 3277 struct Scsi_Host *host = class_to_shost(dev); 3278 MPT_SCSI_HOST *hd = shost_priv(host); 3279 MPT_ADAPTER *ioc = hd->ioc; 3280 3281 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay); 3282 } 3283 static DEVICE_ATTR(device_delay, S_IRUGO, 3284 mptscsih_device_delay_show, NULL); 3285 3286 static ssize_t 3287 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr, 3288 char *buf) 3289 { 3290 struct Scsi_Host *host = class_to_shost(dev); 3291 MPT_SCSI_HOST *hd = shost_priv(host); 3292 MPT_ADAPTER *ioc = hd->ioc; 3293 3294 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level); 3295 } 3296 static ssize_t 3297 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr, 3298 const char *buf, size_t count) 3299 { 3300 struct Scsi_Host *host = class_to_shost(dev); 3301 MPT_SCSI_HOST *hd = shost_priv(host); 3302 MPT_ADAPTER *ioc = hd->ioc; 3303 int val = 0; 3304 3305 if (sscanf(buf, "%x", &val) != 1) 3306 return -EINVAL; 3307 3308 ioc->debug_level = val; 3309 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n", 3310 ioc->name, ioc->debug_level); 3311 return strlen(buf); 3312 } 3313 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR, 3314 mptscsih_debug_level_show, mptscsih_debug_level_store); 3315 3316 struct device_attribute *mptscsih_host_attrs[] = { 3317 &dev_attr_version_fw, 3318 &dev_attr_version_bios, 3319 &dev_attr_version_mpi, 3320 &dev_attr_version_product, 3321 &dev_attr_version_nvdata_persistent, 3322 &dev_attr_version_nvdata_default, 3323 &dev_attr_board_name, 3324 &dev_attr_board_assembly, 3325 &dev_attr_board_tracer, 3326 &dev_attr_io_delay, 3327 &dev_attr_device_delay, 3328 &dev_attr_debug_level, 3329 NULL, 3330 }; 3331 3332 EXPORT_SYMBOL(mptscsih_host_attrs); 3333 3334 EXPORT_SYMBOL(mptscsih_remove); 3335 EXPORT_SYMBOL(mptscsih_shutdown); 3336 #ifdef CONFIG_PM 3337 EXPORT_SYMBOL(mptscsih_suspend); 3338 EXPORT_SYMBOL(mptscsih_resume); 3339 #endif 3340 EXPORT_SYMBOL(mptscsih_proc_info); 3341 EXPORT_SYMBOL(mptscsih_info); 3342 EXPORT_SYMBOL(mptscsih_qcmd); 3343 EXPORT_SYMBOL(mptscsih_slave_destroy); 3344 EXPORT_SYMBOL(mptscsih_slave_configure); 3345 EXPORT_SYMBOL(mptscsih_abort); 3346 EXPORT_SYMBOL(mptscsih_dev_reset); 3347 EXPORT_SYMBOL(mptscsih_bus_reset); 3348 EXPORT_SYMBOL(mptscsih_host_reset); 3349 EXPORT_SYMBOL(mptscsih_bios_param); 3350 EXPORT_SYMBOL(mptscsih_io_done); 3351 EXPORT_SYMBOL(mptscsih_taskmgmt_complete); 3352 EXPORT_SYMBOL(mptscsih_scandv_complete); 3353 EXPORT_SYMBOL(mptscsih_event_process); 3354 EXPORT_SYMBOL(mptscsih_ioc_reset); 3355 EXPORT_SYMBOL(mptscsih_change_queue_depth); 3356 3357 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3358