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 break; 796 797 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ 798 if (ioc->bus_type == FC) 799 sc->result = DID_ERROR << 16; 800 else 801 sc->result = DID_RESET << 16; 802 break; 803 804 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */ 805 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt); 806 if((xfer_cnt==0)||(sc->underflow > xfer_cnt)) 807 sc->result=DID_SOFT_ERROR << 16; 808 else /* Sufficient data transfer occurred */ 809 sc->result = (DID_OK << 16) | scsi_status; 810 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 811 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n", 812 ioc->name, sc->result, sc->device->channel, sc->device->id)); 813 break; 814 815 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ 816 /* 817 * Do upfront check for valid SenseData and give it 818 * precedence! 819 */ 820 sc->result = (DID_OK << 16) | scsi_status; 821 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) { 822 823 /* 824 * For an Errata on LSI53C1030 825 * When the length of request data 826 * and transfer data are different 827 * with result of command (READ or VERIFY), 828 * DID_SOFT_ERROR is set. 829 */ 830 if (ioc->bus_type == SPI) { 831 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) || 832 pScsiReq->CDB[0] == READ_10 || 833 pScsiReq->CDB[0] == READ_12 || 834 (pScsiReq->CDB[0] == READ_16 && 835 ((pScsiReq->CDB[1] & 0x02) == 0)) || 836 pScsiReq->CDB[0] == VERIFY || 837 pScsiReq->CDB[0] == VERIFY_16) { 838 if (scsi_bufflen(sc) != 839 xfer_cnt) { 840 sc->result = 841 DID_SOFT_ERROR << 16; 842 printk(KERN_WARNING "Errata" 843 "on LSI53C1030 occurred." 844 "sc->req_bufflen=0x%02x," 845 "xfer_cnt=0x%02x\n", 846 scsi_bufflen(sc), 847 xfer_cnt); 848 } 849 } 850 } 851 852 if (xfer_cnt < sc->underflow) { 853 if (scsi_status == SAM_STAT_BUSY) 854 sc->result = SAM_STAT_BUSY; 855 else 856 sc->result = DID_SOFT_ERROR << 16; 857 } 858 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) { 859 /* What to do? 860 */ 861 sc->result = DID_SOFT_ERROR << 16; 862 } 863 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) { 864 /* Not real sure here either... */ 865 sc->result = DID_RESET << 16; 866 } 867 } 868 869 870 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 871 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n", 872 ioc->name, sc->underflow)); 873 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 874 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt)); 875 876 /* Report Queue Full 877 */ 878 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL) 879 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); 880 881 break; 882 883 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */ 884 scsi_set_resid(sc, 0); 885 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ 886 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ 887 sc->result = (DID_OK << 16) | scsi_status; 888 if (scsi_state == 0) { 889 ; 890 } else if (scsi_state & 891 MPI_SCSI_STATE_AUTOSENSE_VALID) { 892 893 /* 894 * For potential trouble on LSI53C1030. 895 * (date:2007.xx.) 896 * It is checked whether the length of 897 * request data is equal to 898 * the length of transfer and residual. 899 * MEDIUM_ERROR is set by incorrect data. 900 */ 901 if ((ioc->bus_type == SPI) && 902 (sc->sense_buffer[2] & 0x20)) { 903 u32 difftransfer; 904 difftransfer = 905 sc->sense_buffer[3] << 24 | 906 sc->sense_buffer[4] << 16 | 907 sc->sense_buffer[5] << 8 | 908 sc->sense_buffer[6]; 909 if (((sc->sense_buffer[3] & 0x80) == 910 0x80) && (scsi_bufflen(sc) 911 != xfer_cnt)) { 912 sc->sense_buffer[2] = 913 MEDIUM_ERROR; 914 sc->sense_buffer[12] = 0xff; 915 sc->sense_buffer[13] = 0xff; 916 printk(KERN_WARNING"Errata" 917 "on LSI53C1030 occurred." 918 "sc->req_bufflen=0x%02x," 919 "xfer_cnt=0x%02x\n" , 920 scsi_bufflen(sc), 921 xfer_cnt); 922 } 923 if (((sc->sense_buffer[3] & 0x80) 924 != 0x80) && 925 (scsi_bufflen(sc) != 926 xfer_cnt + difftransfer)) { 927 sc->sense_buffer[2] = 928 MEDIUM_ERROR; 929 sc->sense_buffer[12] = 0xff; 930 sc->sense_buffer[13] = 0xff; 931 printk(KERN_WARNING 932 "Errata on LSI53C1030 occurred" 933 "sc->req_bufflen=0x%02x," 934 " xfer_cnt=0x%02x," 935 "difftransfer=0x%02x\n", 936 scsi_bufflen(sc), 937 xfer_cnt, 938 difftransfer); 939 } 940 } 941 942 /* 943 * If running against circa 200003dd 909 MPT f/w, 944 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL 945 * (QUEUE_FULL) returned from device! --> get 0x0000?128 946 * and with SenseBytes set to 0. 947 */ 948 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL) 949 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); 950 951 } 952 else if (scsi_state & 953 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS) 954 ) { 955 /* 956 * What to do? 957 */ 958 sc->result = DID_SOFT_ERROR << 16; 959 } 960 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) { 961 /* Not real sure here either... */ 962 sc->result = DID_RESET << 16; 963 } 964 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) { 965 /* Device Inq. data indicates that it supports 966 * QTags, but rejects QTag messages. 967 * This command completed OK. 968 * 969 * Not real sure here either so do nothing... */ 970 } 971 972 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL) 973 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); 974 975 /* Add handling of: 976 * Reservation Conflict, Busy, 977 * Command Terminated, CHECK 978 */ 979 break; 980 981 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ 982 sc->result = DID_SOFT_ERROR << 16; 983 break; 984 985 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */ 986 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */ 987 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */ 988 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */ 989 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */ 990 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */ 991 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ 992 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */ 993 default: 994 /* 995 * What to do? 996 */ 997 sc->result = DID_SOFT_ERROR << 16; 998 break; 999 1000 } /* switch(status) */ 1001 1002 #ifdef CONFIG_FUSION_LOGGING 1003 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY)) 1004 mptscsih_info_scsiio(ioc, sc, pScsiReply); 1005 #endif 1006 1007 } /* end of address reply case */ 1008 out: 1009 /* Unmap the DMA buffers, if any. */ 1010 scsi_dma_unmap(sc); 1011 1012 sc->scsi_done(sc); /* Issue the command callback */ 1013 1014 /* Free Chain buffers */ 1015 mptscsih_freeChainBuffers(ioc, req_idx); 1016 return 1; 1017 } 1018 1019 /* 1020 * mptscsih_flush_running_cmds - For each command found, search 1021 * Scsi_Host instance taskQ and reply to OS. 1022 * Called only if recovering from a FW reload. 1023 * @hd: Pointer to a SCSI HOST structure 1024 * 1025 * Returns: None. 1026 * 1027 * Must be called while new I/Os are being queued. 1028 */ 1029 void 1030 mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd) 1031 { 1032 MPT_ADAPTER *ioc = hd->ioc; 1033 struct scsi_cmnd *sc; 1034 SCSIIORequest_t *mf = NULL; 1035 int ii; 1036 int channel, id; 1037 1038 for (ii= 0; ii < ioc->req_depth; ii++) { 1039 sc = mptscsih_getclear_scsi_lookup(ioc, ii); 1040 if (!sc) 1041 continue; 1042 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii); 1043 if (!mf) 1044 continue; 1045 channel = mf->Bus; 1046 id = mf->TargetID; 1047 mptscsih_freeChainBuffers(ioc, ii); 1048 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf); 1049 if ((unsigned char *)mf != sc->host_scribble) 1050 continue; 1051 scsi_dma_unmap(sc); 1052 sc->result = DID_RESET << 16; 1053 sc->host_scribble = NULL; 1054 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT 1055 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, " 1056 "idx=%x\n", ioc->name, channel, id, sc, mf, ii)); 1057 sc->scsi_done(sc); 1058 } 1059 } 1060 EXPORT_SYMBOL(mptscsih_flush_running_cmds); 1061 1062 /* 1063 * mptscsih_search_running_cmds - Delete any commands associated 1064 * with the specified target and lun. Function called only 1065 * when a lun is disable by mid-layer. 1066 * Do NOT access the referenced scsi_cmnd structure or 1067 * members. Will cause either a paging or NULL ptr error. 1068 * (BUT, BUT, BUT, the code does reference it! - mdr) 1069 * @hd: Pointer to a SCSI HOST structure 1070 * @vdevice: per device private data 1071 * 1072 * Returns: None. 1073 * 1074 * Called from slave_destroy. 1075 */ 1076 static void 1077 mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice) 1078 { 1079 SCSIIORequest_t *mf = NULL; 1080 int ii; 1081 struct scsi_cmnd *sc; 1082 struct scsi_lun lun; 1083 MPT_ADAPTER *ioc = hd->ioc; 1084 unsigned long flags; 1085 1086 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 1087 for (ii = 0; ii < ioc->req_depth; ii++) { 1088 if ((sc = ioc->ScsiLookup[ii]) != NULL) { 1089 1090 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii); 1091 if (mf == NULL) 1092 continue; 1093 /* If the device is a hidden raid component, then its 1094 * expected that the mf->function will be RAID_SCSI_IO 1095 */ 1096 if (vdevice->vtarget->tflags & 1097 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function != 1098 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) 1099 continue; 1100 1101 int_to_scsilun(vdevice->lun, &lun); 1102 if ((mf->Bus != vdevice->vtarget->channel) || 1103 (mf->TargetID != vdevice->vtarget->id) || 1104 memcmp(lun.scsi_lun, mf->LUN, 8)) 1105 continue; 1106 1107 if ((unsigned char *)mf != sc->host_scribble) 1108 continue; 1109 ioc->ScsiLookup[ii] = NULL; 1110 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1111 mptscsih_freeChainBuffers(ioc, ii); 1112 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf); 1113 scsi_dma_unmap(sc); 1114 sc->host_scribble = NULL; 1115 sc->result = DID_NO_CONNECT << 16; 1116 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, 1117 MYIOC_s_FMT "completing cmds: fw_channel %d, " 1118 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name, 1119 vdevice->vtarget->channel, vdevice->vtarget->id, 1120 sc, mf, ii)); 1121 sc->scsi_done(sc); 1122 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 1123 } 1124 } 1125 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 1126 return; 1127 } 1128 1129 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1130 1131 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1132 /* 1133 * mptscsih_report_queue_full - Report QUEUE_FULL status returned 1134 * from a SCSI target device. 1135 * @sc: Pointer to scsi_cmnd structure 1136 * @pScsiReply: Pointer to SCSIIOReply_t 1137 * @pScsiReq: Pointer to original SCSI request 1138 * 1139 * This routine periodically reports QUEUE_FULL status returned from a 1140 * SCSI target device. It reports this to the console via kernel 1141 * printk() API call, not more than once every 10 seconds. 1142 */ 1143 static void 1144 mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq) 1145 { 1146 long time = jiffies; 1147 MPT_SCSI_HOST *hd; 1148 MPT_ADAPTER *ioc; 1149 1150 if (sc->device == NULL) 1151 return; 1152 if (sc->device->host == NULL) 1153 return; 1154 if ((hd = shost_priv(sc->device->host)) == NULL) 1155 return; 1156 ioc = hd->ioc; 1157 if (time - hd->last_queue_full > 10 * HZ) { 1158 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n", 1159 ioc->name, 0, sc->device->id, sc->device->lun)); 1160 hd->last_queue_full = time; 1161 } 1162 } 1163 1164 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1165 /* 1166 * mptscsih_remove - Removed scsi devices 1167 * @pdev: Pointer to pci_dev structure 1168 * 1169 * 1170 */ 1171 void 1172 mptscsih_remove(struct pci_dev *pdev) 1173 { 1174 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1175 struct Scsi_Host *host = ioc->sh; 1176 MPT_SCSI_HOST *hd; 1177 int sz1; 1178 1179 scsi_remove_host(host); 1180 1181 if((hd = shost_priv(host)) == NULL) 1182 return; 1183 1184 mptscsih_shutdown(pdev); 1185 1186 sz1=0; 1187 1188 if (ioc->ScsiLookup != NULL) { 1189 sz1 = ioc->req_depth * sizeof(void *); 1190 kfree(ioc->ScsiLookup); 1191 ioc->ScsiLookup = NULL; 1192 } 1193 1194 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1195 "Free'd ScsiLookup (%d) memory\n", 1196 ioc->name, sz1)); 1197 1198 kfree(hd->info_kbuf); 1199 1200 /* NULL the Scsi_Host pointer 1201 */ 1202 ioc->sh = NULL; 1203 1204 scsi_host_put(host); 1205 1206 mpt_detach(pdev); 1207 1208 } 1209 1210 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1211 /* 1212 * mptscsih_shutdown - reboot notifier 1213 * 1214 */ 1215 void 1216 mptscsih_shutdown(struct pci_dev *pdev) 1217 { 1218 } 1219 1220 #ifdef CONFIG_PM 1221 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1222 /* 1223 * mptscsih_suspend - Fusion MPT scsi driver suspend routine. 1224 * 1225 * 1226 */ 1227 int 1228 mptscsih_suspend(struct pci_dev *pdev, pm_message_t state) 1229 { 1230 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1231 1232 scsi_block_requests(ioc->sh); 1233 flush_scheduled_work(); 1234 mptscsih_shutdown(pdev); 1235 return mpt_suspend(pdev,state); 1236 } 1237 1238 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1239 /* 1240 * mptscsih_resume - Fusion MPT scsi driver resume routine. 1241 * 1242 * 1243 */ 1244 int 1245 mptscsih_resume(struct pci_dev *pdev) 1246 { 1247 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1248 int rc; 1249 1250 rc = mpt_resume(pdev); 1251 scsi_unblock_requests(ioc->sh); 1252 return rc; 1253 } 1254 1255 #endif 1256 1257 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1258 /** 1259 * mptscsih_info - Return information about MPT adapter 1260 * @SChost: Pointer to Scsi_Host structure 1261 * 1262 * (linux scsi_host_template.info routine) 1263 * 1264 * Returns pointer to buffer where information was written. 1265 */ 1266 const char * 1267 mptscsih_info(struct Scsi_Host *SChost) 1268 { 1269 MPT_SCSI_HOST *h; 1270 int size = 0; 1271 1272 h = shost_priv(SChost); 1273 1274 if (h) { 1275 if (h->info_kbuf == NULL) 1276 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL) 1277 return h->info_kbuf; 1278 h->info_kbuf[0] = '\0'; 1279 1280 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0); 1281 h->info_kbuf[size-1] = '\0'; 1282 } 1283 1284 return h->info_kbuf; 1285 } 1286 1287 struct info_str { 1288 char *buffer; 1289 int length; 1290 int offset; 1291 int pos; 1292 }; 1293 1294 static void 1295 mptscsih_copy_mem_info(struct info_str *info, char *data, int len) 1296 { 1297 if (info->pos + len > info->length) 1298 len = info->length - info->pos; 1299 1300 if (info->pos + len < info->offset) { 1301 info->pos += len; 1302 return; 1303 } 1304 1305 if (info->pos < info->offset) { 1306 data += (info->offset - info->pos); 1307 len -= (info->offset - info->pos); 1308 } 1309 1310 if (len > 0) { 1311 memcpy(info->buffer + info->pos, data, len); 1312 info->pos += len; 1313 } 1314 } 1315 1316 static int 1317 mptscsih_copy_info(struct info_str *info, char *fmt, ...) 1318 { 1319 va_list args; 1320 char buf[81]; 1321 int len; 1322 1323 va_start(args, fmt); 1324 len = vsprintf(buf, fmt, args); 1325 va_end(args); 1326 1327 mptscsih_copy_mem_info(info, buf, len); 1328 return len; 1329 } 1330 1331 static int 1332 mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len) 1333 { 1334 struct info_str info; 1335 1336 info.buffer = pbuf; 1337 info.length = len; 1338 info.offset = offset; 1339 info.pos = 0; 1340 1341 mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name); 1342 mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word); 1343 mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts); 1344 mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth); 1345 1346 return ((info.pos > info.offset) ? info.pos - info.offset : 0); 1347 } 1348 1349 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1350 /** 1351 * mptscsih_proc_info - Return information about MPT adapter 1352 * @host: scsi host struct 1353 * @buffer: if write, user data; if read, buffer for user 1354 * @start: returns the buffer address 1355 * @offset: if write, 0; if read, the current offset into the buffer from 1356 * the previous read. 1357 * @length: if write, return length; 1358 * @func: write = 1; read = 0 1359 * 1360 * (linux scsi_host_template.info routine) 1361 */ 1362 int 1363 mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset, 1364 int length, int func) 1365 { 1366 MPT_SCSI_HOST *hd = shost_priv(host); 1367 MPT_ADAPTER *ioc = hd->ioc; 1368 int size = 0; 1369 1370 if (func) { 1371 /* 1372 * write is not supported 1373 */ 1374 } else { 1375 if (start) 1376 *start = buffer; 1377 1378 size = mptscsih_host_info(ioc, buffer, offset, length); 1379 } 1380 1381 return size; 1382 } 1383 1384 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1385 #define ADD_INDEX_LOG(req_ent) do { } while(0) 1386 1387 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1388 /** 1389 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine. 1390 * @SCpnt: Pointer to scsi_cmnd structure 1391 * @done: Pointer SCSI mid-layer IO completion function 1392 * 1393 * (linux scsi_host_template.queuecommand routine) 1394 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest 1395 * from a linux scsi_cmnd request and send it to the IOC. 1396 * 1397 * Returns 0. (rtn value discarded by linux scsi mid-layer) 1398 */ 1399 int 1400 mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) 1401 { 1402 MPT_SCSI_HOST *hd; 1403 MPT_FRAME_HDR *mf; 1404 SCSIIORequest_t *pScsiReq; 1405 VirtDevice *vdevice = SCpnt->device->hostdata; 1406 u32 datalen; 1407 u32 scsictl; 1408 u32 scsidir; 1409 u32 cmd_len; 1410 int my_idx; 1411 int ii; 1412 MPT_ADAPTER *ioc; 1413 1414 hd = shost_priv(SCpnt->device->host); 1415 ioc = hd->ioc; 1416 SCpnt->scsi_done = done; 1417 1418 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n", 1419 ioc->name, SCpnt, done)); 1420 1421 if (ioc->taskmgmt_quiesce_io) 1422 return SCSI_MLQUEUE_HOST_BUSY; 1423 1424 /* 1425 * Put together a MPT SCSI request... 1426 */ 1427 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) { 1428 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n", 1429 ioc->name)); 1430 return SCSI_MLQUEUE_HOST_BUSY; 1431 } 1432 1433 pScsiReq = (SCSIIORequest_t *) mf; 1434 1435 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 1436 1437 ADD_INDEX_LOG(my_idx); 1438 1439 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)! 1440 * Seems we may receive a buffer (datalen>0) even when there 1441 * will be no data transfer! GRRRRR... 1442 */ 1443 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) { 1444 datalen = scsi_bufflen(SCpnt); 1445 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */ 1446 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) { 1447 datalen = scsi_bufflen(SCpnt); 1448 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */ 1449 } else { 1450 datalen = 0; 1451 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER; 1452 } 1453 1454 /* Default to untagged. Once a target structure has been allocated, 1455 * use the Inquiry data to determine if device supports tagged. 1456 */ 1457 if (vdevice 1458 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) 1459 && (SCpnt->device->tagged_supported)) { 1460 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ; 1461 if (SCpnt->request && SCpnt->request->ioprio) { 1462 if (((SCpnt->request->ioprio & 0x7) == 1) || 1463 !(SCpnt->request->ioprio & 0x7)) 1464 scsictl |= MPI_SCSIIO_CONTROL_HEADOFQ; 1465 } 1466 } else 1467 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED; 1468 1469 1470 /* Use the above information to set up the message frame 1471 */ 1472 pScsiReq->TargetID = (u8) vdevice->vtarget->id; 1473 pScsiReq->Bus = vdevice->vtarget->channel; 1474 pScsiReq->ChainOffset = 0; 1475 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 1476 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 1477 else 1478 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 1479 pScsiReq->CDBLength = SCpnt->cmd_len; 1480 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 1481 pScsiReq->Reserved = 0; 1482 pScsiReq->MsgFlags = mpt_msg_flags(ioc); 1483 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN); 1484 pScsiReq->Control = cpu_to_le32(scsictl); 1485 1486 /* 1487 * Write SCSI CDB into the message 1488 */ 1489 cmd_len = SCpnt->cmd_len; 1490 for (ii=0; ii < cmd_len; ii++) 1491 pScsiReq->CDB[ii] = SCpnt->cmnd[ii]; 1492 1493 for (ii=cmd_len; ii < 16; ii++) 1494 pScsiReq->CDB[ii] = 0; 1495 1496 /* DataLength */ 1497 pScsiReq->DataLength = cpu_to_le32(datalen); 1498 1499 /* SenseBuffer low address */ 1500 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma 1501 + (my_idx * MPT_SENSE_BUFFER_ALLOC)); 1502 1503 /* Now add the SG list 1504 * Always have a SGE even if null length. 1505 */ 1506 if (datalen == 0) { 1507 /* Add a NULL SGE */ 1508 ioc->add_sge((char *)&pScsiReq->SGL, 1509 MPT_SGE_FLAGS_SSIMPLE_READ | 0, 1510 (dma_addr_t) -1); 1511 } else { 1512 /* Add a 32 or 64 bit SGE */ 1513 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS) 1514 goto fail; 1515 } 1516 1517 SCpnt->host_scribble = (unsigned char *)mf; 1518 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt); 1519 1520 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); 1521 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n", 1522 ioc->name, SCpnt, mf, my_idx)); 1523 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf); 1524 return 0; 1525 1526 fail: 1527 mptscsih_freeChainBuffers(ioc, my_idx); 1528 mpt_free_msg_frame(ioc, mf); 1529 return SCSI_MLQUEUE_HOST_BUSY; 1530 } 1531 1532 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1533 /* 1534 * mptscsih_freeChainBuffers - Function to free chain buffers associated 1535 * with a SCSI IO request 1536 * @hd: Pointer to the MPT_SCSI_HOST instance 1537 * @req_idx: Index of the SCSI IO request frame. 1538 * 1539 * Called if SG chain buffer allocation fails and mptscsih callbacks. 1540 * No return. 1541 */ 1542 static void 1543 mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx) 1544 { 1545 MPT_FRAME_HDR *chain; 1546 unsigned long flags; 1547 int chain_idx; 1548 int next; 1549 1550 /* Get the first chain index and reset 1551 * tracker state. 1552 */ 1553 chain_idx = ioc->ReqToChain[req_idx]; 1554 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN; 1555 1556 while (chain_idx != MPT_HOST_NO_CHAIN) { 1557 1558 /* Save the next chain buffer index */ 1559 next = ioc->ChainToChain[chain_idx]; 1560 1561 /* Free this chain buffer and reset 1562 * tracker 1563 */ 1564 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN; 1565 1566 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer 1567 + (chain_idx * ioc->req_sz)); 1568 1569 spin_lock_irqsave(&ioc->FreeQlock, flags); 1570 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ); 1571 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 1572 1573 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n", 1574 ioc->name, chain_idx)); 1575 1576 /* handle next */ 1577 chain_idx = next; 1578 } 1579 return; 1580 } 1581 1582 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1583 /* 1584 * Reset Handling 1585 */ 1586 1587 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1588 /** 1589 * mptscsih_IssueTaskMgmt - Generic send Task Management function. 1590 * @hd: Pointer to MPT_SCSI_HOST structure 1591 * @type: Task Management type 1592 * @channel: channel number for task management 1593 * @id: Logical Target ID for reset (if appropriate) 1594 * @lun: Logical Unit for reset (if appropriate) 1595 * @ctx2abort: Context for the task to be aborted (if appropriate) 1596 * @timeout: timeout for task management control 1597 * 1598 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer) 1599 * or a non-interrupt thread. In the former, must not call schedule(). 1600 * 1601 * Not all fields are meaningfull for all task types. 1602 * 1603 * Returns 0 for SUCCESS, or FAILED. 1604 * 1605 **/ 1606 int 1607 mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, 1608 int ctx2abort, ulong timeout) 1609 { 1610 MPT_FRAME_HDR *mf; 1611 SCSITaskMgmt_t *pScsiTm; 1612 int ii; 1613 int retval; 1614 MPT_ADAPTER *ioc = hd->ioc; 1615 unsigned long timeleft; 1616 u8 issue_hard_reset; 1617 u32 ioc_raw_state; 1618 unsigned long time_count; 1619 1620 issue_hard_reset = 0; 1621 ioc_raw_state = mpt_GetIocState(ioc, 0); 1622 1623 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) { 1624 printk(MYIOC_s_WARN_FMT 1625 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n", 1626 ioc->name, type, ioc_raw_state); 1627 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n", 1628 ioc->name, __func__); 1629 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0) 1630 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset " 1631 "FAILED!!\n", ioc->name); 1632 return 0; 1633 } 1634 1635 /* DOORBELL ACTIVE check is not required if 1636 * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported. 1637 */ 1638 1639 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) 1640 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) && 1641 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) { 1642 printk(MYIOC_s_WARN_FMT 1643 "TaskMgmt type=%x: ioc_state: " 1644 "DOORBELL_ACTIVE (0x%x)!\n", 1645 ioc->name, type, ioc_raw_state); 1646 return FAILED; 1647 } 1648 1649 mutex_lock(&ioc->taskmgmt_cmds.mutex); 1650 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) { 1651 mf = NULL; 1652 retval = FAILED; 1653 goto out; 1654 } 1655 1656 /* Return Fail to calling function if no message frames available. 1657 */ 1658 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) { 1659 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1660 "TaskMgmt no msg frames!!\n", ioc->name)); 1661 retval = FAILED; 1662 mpt_clear_taskmgmt_in_progress_flag(ioc); 1663 goto out; 1664 } 1665 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n", 1666 ioc->name, mf)); 1667 1668 /* Format the Request 1669 */ 1670 pScsiTm = (SCSITaskMgmt_t *) mf; 1671 pScsiTm->TargetID = id; 1672 pScsiTm->Bus = channel; 1673 pScsiTm->ChainOffset = 0; 1674 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 1675 1676 pScsiTm->Reserved = 0; 1677 pScsiTm->TaskType = type; 1678 pScsiTm->Reserved1 = 0; 1679 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) 1680 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0; 1681 1682 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN); 1683 1684 for (ii=0; ii < 7; ii++) 1685 pScsiTm->Reserved2[ii] = 0; 1686 1687 pScsiTm->TaskMsgContext = ctx2abort; 1688 1689 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) " 1690 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort, 1691 type, timeout)); 1692 1693 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm); 1694 1695 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status) 1696 time_count = jiffies; 1697 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && 1698 (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) 1699 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf); 1700 else { 1701 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc, 1702 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP); 1703 if (retval) { 1704 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1705 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n", 1706 ioc->name, mf, retval)); 1707 mpt_free_msg_frame(ioc, mf); 1708 mpt_clear_taskmgmt_in_progress_flag(ioc); 1709 goto out; 1710 } 1711 } 1712 1713 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done, 1714 timeout*HZ); 1715 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 1716 retval = FAILED; 1717 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT 1718 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf)); 1719 mpt_clear_taskmgmt_in_progress_flag(ioc); 1720 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) 1721 goto out; 1722 issue_hard_reset = 1; 1723 goto out; 1724 } 1725 1726 retval = mptscsih_taskmgmt_reply(ioc, type, 1727 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply); 1728 1729 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1730 "TaskMgmt completed (%d seconds)\n", 1731 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000)); 1732 1733 out: 1734 1735 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status) 1736 if (issue_hard_reset) { 1737 printk(MYIOC_s_WARN_FMT 1738 "Issuing Reset from %s!! doorbell=0x%08x\n", 1739 ioc->name, __func__, mpt_GetIocState(ioc, 0)); 1740 retval = (ioc->bus_type == SAS) ? 1741 mpt_HardResetHandler(ioc, CAN_SLEEP) : 1742 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 1743 mpt_free_msg_frame(ioc, mf); 1744 } 1745 1746 retval = (retval == 0) ? 0 : FAILED; 1747 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 1748 return retval; 1749 } 1750 EXPORT_SYMBOL(mptscsih_IssueTaskMgmt); 1751 1752 static int 1753 mptscsih_get_tm_timeout(MPT_ADAPTER *ioc) 1754 { 1755 switch (ioc->bus_type) { 1756 case FC: 1757 return 40; 1758 case SAS: 1759 return 30; 1760 case SPI: 1761 default: 1762 return 10; 1763 } 1764 } 1765 1766 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1767 /** 1768 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant 1769 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted 1770 * 1771 * (linux scsi_host_template.eh_abort_handler routine) 1772 * 1773 * Returns SUCCESS or FAILED. 1774 **/ 1775 int 1776 mptscsih_abort(struct scsi_cmnd * SCpnt) 1777 { 1778 MPT_SCSI_HOST *hd; 1779 MPT_FRAME_HDR *mf; 1780 u32 ctx2abort; 1781 int scpnt_idx; 1782 int retval; 1783 VirtDevice *vdevice; 1784 MPT_ADAPTER *ioc; 1785 1786 /* If we can't locate our host adapter structure, return FAILED status. 1787 */ 1788 if ((hd = shost_priv(SCpnt->device->host)) == NULL) { 1789 SCpnt->result = DID_RESET << 16; 1790 SCpnt->scsi_done(SCpnt); 1791 printk(KERN_ERR MYNAM ": task abort: " 1792 "can't locate host! (sc=%p)\n", SCpnt); 1793 return FAILED; 1794 } 1795 1796 ioc = hd->ioc; 1797 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n", 1798 ioc->name, SCpnt); 1799 scsi_print_command(SCpnt); 1800 1801 vdevice = SCpnt->device->hostdata; 1802 if (!vdevice || !vdevice->vtarget) { 1803 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1804 "task abort: device has been deleted (sc=%p)\n", 1805 ioc->name, SCpnt)); 1806 SCpnt->result = DID_NO_CONNECT << 16; 1807 SCpnt->scsi_done(SCpnt); 1808 retval = SUCCESS; 1809 goto out; 1810 } 1811 1812 /* Task aborts are not supported for hidden raid components. 1813 */ 1814 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) { 1815 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1816 "task abort: hidden raid component (sc=%p)\n", 1817 ioc->name, SCpnt)); 1818 SCpnt->result = DID_RESET << 16; 1819 retval = FAILED; 1820 goto out; 1821 } 1822 1823 /* Task aborts are not supported for volumes. 1824 */ 1825 if (vdevice->vtarget->raidVolume) { 1826 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1827 "task abort: raid volume (sc=%p)\n", 1828 ioc->name, SCpnt)); 1829 SCpnt->result = DID_RESET << 16; 1830 retval = FAILED; 1831 goto out; 1832 } 1833 1834 /* Find this command 1835 */ 1836 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) { 1837 /* Cmd not found in ScsiLookup. 1838 * Do OS callback. 1839 */ 1840 SCpnt->result = DID_RESET << 16; 1841 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: " 1842 "Command not in the active list! (sc=%p)\n", ioc->name, 1843 SCpnt)); 1844 retval = SUCCESS; 1845 goto out; 1846 } 1847 1848 if (ioc->timeouts < -1) 1849 ioc->timeouts++; 1850 1851 if (mpt_fwfault_debug) 1852 mpt_halt_firmware(ioc); 1853 1854 /* Most important! Set TaskMsgContext to SCpnt's MsgContext! 1855 * (the IO to be ABORT'd) 1856 * 1857 * NOTE: Since we do not byteswap MsgContext, we do not 1858 * swap it here either. It is an opaque cookie to 1859 * the controller, so it does not matter. -DaveM 1860 */ 1861 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx); 1862 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext; 1863 retval = mptscsih_IssueTaskMgmt(hd, 1864 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, 1865 vdevice->vtarget->channel, 1866 vdevice->vtarget->id, vdevice->lun, 1867 ctx2abort, mptscsih_get_tm_timeout(ioc)); 1868 1869 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) { 1870 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1871 "task abort: command still in active list! (sc=%p)\n", 1872 ioc->name, SCpnt)); 1873 retval = FAILED; 1874 } else { 1875 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1876 "task abort: command cleared from active list! (sc=%p)\n", 1877 ioc->name, SCpnt)); 1878 retval = SUCCESS; 1879 } 1880 1881 out: 1882 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n", 1883 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval, 1884 SCpnt); 1885 1886 return retval; 1887 } 1888 1889 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1890 /** 1891 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant 1892 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1893 * 1894 * (linux scsi_host_template.eh_dev_reset_handler routine) 1895 * 1896 * Returns SUCCESS or FAILED. 1897 **/ 1898 int 1899 mptscsih_dev_reset(struct scsi_cmnd * SCpnt) 1900 { 1901 MPT_SCSI_HOST *hd; 1902 int retval; 1903 VirtDevice *vdevice; 1904 MPT_ADAPTER *ioc; 1905 1906 /* If we can't locate our host adapter structure, return FAILED status. 1907 */ 1908 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1909 printk(KERN_ERR MYNAM ": target reset: " 1910 "Can't locate host! (sc=%p)\n", SCpnt); 1911 return FAILED; 1912 } 1913 1914 ioc = hd->ioc; 1915 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n", 1916 ioc->name, SCpnt); 1917 scsi_print_command(SCpnt); 1918 1919 vdevice = SCpnt->device->hostdata; 1920 if (!vdevice || !vdevice->vtarget) { 1921 retval = 0; 1922 goto out; 1923 } 1924 1925 /* Target reset to hidden raid component is not supported 1926 */ 1927 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) { 1928 retval = FAILED; 1929 goto out; 1930 } 1931 1932 retval = mptscsih_IssueTaskMgmt(hd, 1933 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 1934 vdevice->vtarget->channel, 1935 vdevice->vtarget->id, 0, 0, 1936 mptscsih_get_tm_timeout(ioc)); 1937 1938 out: 1939 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n", 1940 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1941 1942 if (retval == 0) 1943 return SUCCESS; 1944 else 1945 return FAILED; 1946 } 1947 1948 1949 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1950 /** 1951 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant 1952 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1953 * 1954 * (linux scsi_host_template.eh_bus_reset_handler routine) 1955 * 1956 * Returns SUCCESS or FAILED. 1957 **/ 1958 int 1959 mptscsih_bus_reset(struct scsi_cmnd * SCpnt) 1960 { 1961 MPT_SCSI_HOST *hd; 1962 int retval; 1963 VirtDevice *vdevice; 1964 MPT_ADAPTER *ioc; 1965 1966 /* If we can't locate our host adapter structure, return FAILED status. 1967 */ 1968 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1969 printk(KERN_ERR MYNAM ": bus reset: " 1970 "Can't locate host! (sc=%p)\n", SCpnt); 1971 return FAILED; 1972 } 1973 1974 ioc = hd->ioc; 1975 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n", 1976 ioc->name, SCpnt); 1977 scsi_print_command(SCpnt); 1978 1979 if (ioc->timeouts < -1) 1980 ioc->timeouts++; 1981 1982 vdevice = SCpnt->device->hostdata; 1983 if (!vdevice || !vdevice->vtarget) 1984 return SUCCESS; 1985 retval = mptscsih_IssueTaskMgmt(hd, 1986 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, 1987 vdevice->vtarget->channel, 0, 0, 0, 1988 mptscsih_get_tm_timeout(ioc)); 1989 1990 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n", 1991 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1992 1993 if (retval == 0) 1994 return SUCCESS; 1995 else 1996 return FAILED; 1997 } 1998 1999 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2000 /** 2001 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant) 2002 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 2003 * 2004 * (linux scsi_host_template.eh_host_reset_handler routine) 2005 * 2006 * Returns SUCCESS or FAILED. 2007 */ 2008 int 2009 mptscsih_host_reset(struct scsi_cmnd *SCpnt) 2010 { 2011 MPT_SCSI_HOST * hd; 2012 int status = SUCCESS; 2013 MPT_ADAPTER *ioc; 2014 int retval; 2015 2016 /* If we can't locate the host to reset, then we failed. */ 2017 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 2018 printk(KERN_ERR MYNAM ": host reset: " 2019 "Can't locate host! (sc=%p)\n", SCpnt); 2020 return FAILED; 2021 } 2022 2023 /* make sure we have no outstanding commands at this stage */ 2024 mptscsih_flush_running_cmds(hd); 2025 2026 ioc = hd->ioc; 2027 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n", 2028 ioc->name, SCpnt); 2029 2030 /* If our attempts to reset the host failed, then return a failed 2031 * status. The host will be taken off line by the SCSI mid-layer. 2032 */ 2033 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 2034 if (retval < 0) 2035 status = FAILED; 2036 else 2037 status = SUCCESS; 2038 2039 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n", 2040 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 2041 2042 return status; 2043 } 2044 2045 static int 2046 mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type, 2047 SCSITaskMgmtReply_t *pScsiTmReply) 2048 { 2049 u16 iocstatus; 2050 u32 termination_count; 2051 int retval; 2052 2053 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { 2054 retval = FAILED; 2055 goto out; 2056 } 2057 2058 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply); 2059 2060 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK; 2061 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount); 2062 2063 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2064 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n" 2065 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n" 2066 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus, 2067 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus), 2068 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode, 2069 termination_count)); 2070 2071 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 && 2072 pScsiTmReply->ResponseCode) 2073 mptscsih_taskmgmt_response_code(ioc, 2074 pScsiTmReply->ResponseCode); 2075 2076 if (iocstatus == MPI_IOCSTATUS_SUCCESS) { 2077 retval = 0; 2078 goto out; 2079 } 2080 2081 retval = FAILED; 2082 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) { 2083 if (termination_count == 1) 2084 retval = 0; 2085 goto out; 2086 } 2087 2088 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED || 2089 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED) 2090 retval = 0; 2091 2092 out: 2093 return retval; 2094 } 2095 2096 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2097 void 2098 mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code) 2099 { 2100 char *desc; 2101 2102 switch (response_code) { 2103 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE: 2104 desc = "The task completed."; 2105 break; 2106 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME: 2107 desc = "The IOC received an invalid frame status."; 2108 break; 2109 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: 2110 desc = "The task type is not supported."; 2111 break; 2112 case MPI_SCSITASKMGMT_RSP_TM_FAILED: 2113 desc = "The requested task failed."; 2114 break; 2115 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED: 2116 desc = "The task completed successfully."; 2117 break; 2118 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN: 2119 desc = "The LUN request is invalid."; 2120 break; 2121 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: 2122 desc = "The task is in the IOC queue and has not been sent to target."; 2123 break; 2124 default: 2125 desc = "unknown"; 2126 break; 2127 } 2128 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n", 2129 ioc->name, response_code, desc); 2130 } 2131 EXPORT_SYMBOL(mptscsih_taskmgmt_response_code); 2132 2133 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2134 /** 2135 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver 2136 * @ioc: Pointer to MPT_ADAPTER structure 2137 * @mf: Pointer to SCSI task mgmt request frame 2138 * @mr: Pointer to SCSI task mgmt reply frame 2139 * 2140 * This routine is called from mptbase.c::mpt_interrupt() at the completion 2141 * of any SCSI task management request. 2142 * This routine is registered with the MPT (base) driver at driver 2143 * load/init time via the mpt_register() API call. 2144 * 2145 * Returns 1 indicating alloc'd request frame ptr should be freed. 2146 **/ 2147 int 2148 mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, 2149 MPT_FRAME_HDR *mr) 2150 { 2151 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2152 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr)); 2153 2154 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 2155 2156 if (!mr) 2157 goto out; 2158 2159 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID; 2160 memcpy(ioc->taskmgmt_cmds.reply, mr, 2161 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength)); 2162 out: 2163 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) { 2164 mpt_clear_taskmgmt_in_progress_flag(ioc); 2165 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 2166 complete(&ioc->taskmgmt_cmds.done); 2167 if (ioc->bus_type == SAS) 2168 ioc->schedule_target_reset(ioc); 2169 return 1; 2170 } 2171 return 0; 2172 } 2173 2174 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2175 /* 2176 * This is anyones guess quite frankly. 2177 */ 2178 int 2179 mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev, 2180 sector_t capacity, int geom[]) 2181 { 2182 int heads; 2183 int sectors; 2184 sector_t cylinders; 2185 ulong dummy; 2186 2187 heads = 64; 2188 sectors = 32; 2189 2190 dummy = heads * sectors; 2191 cylinders = capacity; 2192 sector_div(cylinders,dummy); 2193 2194 /* 2195 * Handle extended translation size for logical drives 2196 * > 1Gb 2197 */ 2198 if ((ulong)capacity >= 0x200000) { 2199 heads = 255; 2200 sectors = 63; 2201 dummy = heads * sectors; 2202 cylinders = capacity; 2203 sector_div(cylinders,dummy); 2204 } 2205 2206 /* return result */ 2207 geom[0] = heads; 2208 geom[1] = sectors; 2209 geom[2] = cylinders; 2210 2211 return 0; 2212 } 2213 2214 /* Search IOC page 3 to determine if this is hidden physical disk 2215 * 2216 */ 2217 int 2218 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id) 2219 { 2220 struct inactive_raid_component_info *component_info; 2221 int i, j; 2222 RaidPhysDiskPage1_t *phys_disk; 2223 int rc = 0; 2224 int num_paths; 2225 2226 if (!ioc->raid_data.pIocPg3) 2227 goto out; 2228 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2229 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) && 2230 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) { 2231 rc = 1; 2232 goto out; 2233 } 2234 } 2235 2236 if (ioc->bus_type != SAS) 2237 goto out; 2238 2239 /* 2240 * Check if dual path 2241 */ 2242 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2243 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, 2244 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum); 2245 if (num_paths < 2) 2246 continue; 2247 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) + 2248 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL); 2249 if (!phys_disk) 2250 continue; 2251 if ((mpt_raid_phys_disk_pg1(ioc, 2252 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum, 2253 phys_disk))) { 2254 kfree(phys_disk); 2255 continue; 2256 } 2257 for (j = 0; j < num_paths; j++) { 2258 if ((phys_disk->Path[j].Flags & 2259 MPI_RAID_PHYSDISK1_FLAG_INVALID)) 2260 continue; 2261 if ((phys_disk->Path[j].Flags & 2262 MPI_RAID_PHYSDISK1_FLAG_BROKEN)) 2263 continue; 2264 if ((id == phys_disk->Path[j].PhysDiskID) && 2265 (channel == phys_disk->Path[j].PhysDiskBus)) { 2266 rc = 1; 2267 kfree(phys_disk); 2268 goto out; 2269 } 2270 } 2271 kfree(phys_disk); 2272 } 2273 2274 2275 /* 2276 * Check inactive list for matching phys disks 2277 */ 2278 if (list_empty(&ioc->raid_data.inactive_list)) 2279 goto out; 2280 2281 mutex_lock(&ioc->raid_data.inactive_list_mutex); 2282 list_for_each_entry(component_info, &ioc->raid_data.inactive_list, 2283 list) { 2284 if ((component_info->d.PhysDiskID == id) && 2285 (component_info->d.PhysDiskBus == channel)) 2286 rc = 1; 2287 } 2288 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 2289 2290 out: 2291 return rc; 2292 } 2293 EXPORT_SYMBOL(mptscsih_is_phys_disk); 2294 2295 u8 2296 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id) 2297 { 2298 struct inactive_raid_component_info *component_info; 2299 int i, j; 2300 RaidPhysDiskPage1_t *phys_disk; 2301 int rc = -ENXIO; 2302 int num_paths; 2303 2304 if (!ioc->raid_data.pIocPg3) 2305 goto out; 2306 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2307 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) && 2308 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) { 2309 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum; 2310 goto out; 2311 } 2312 } 2313 2314 if (ioc->bus_type != SAS) 2315 goto out; 2316 2317 /* 2318 * Check if dual path 2319 */ 2320 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2321 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, 2322 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum); 2323 if (num_paths < 2) 2324 continue; 2325 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) + 2326 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL); 2327 if (!phys_disk) 2328 continue; 2329 if ((mpt_raid_phys_disk_pg1(ioc, 2330 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum, 2331 phys_disk))) { 2332 kfree(phys_disk); 2333 continue; 2334 } 2335 for (j = 0; j < num_paths; j++) { 2336 if ((phys_disk->Path[j].Flags & 2337 MPI_RAID_PHYSDISK1_FLAG_INVALID)) 2338 continue; 2339 if ((phys_disk->Path[j].Flags & 2340 MPI_RAID_PHYSDISK1_FLAG_BROKEN)) 2341 continue; 2342 if ((id == phys_disk->Path[j].PhysDiskID) && 2343 (channel == phys_disk->Path[j].PhysDiskBus)) { 2344 rc = phys_disk->PhysDiskNum; 2345 kfree(phys_disk); 2346 goto out; 2347 } 2348 } 2349 kfree(phys_disk); 2350 } 2351 2352 /* 2353 * Check inactive list for matching phys disks 2354 */ 2355 if (list_empty(&ioc->raid_data.inactive_list)) 2356 goto out; 2357 2358 mutex_lock(&ioc->raid_data.inactive_list_mutex); 2359 list_for_each_entry(component_info, &ioc->raid_data.inactive_list, 2360 list) { 2361 if ((component_info->d.PhysDiskID == id) && 2362 (component_info->d.PhysDiskBus == channel)) 2363 rc = component_info->d.PhysDiskNum; 2364 } 2365 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 2366 2367 out: 2368 return rc; 2369 } 2370 EXPORT_SYMBOL(mptscsih_raid_id_to_num); 2371 2372 /* 2373 * OS entry point to allow for host driver to free allocated memory 2374 * Called if no device present or device being unloaded 2375 */ 2376 void 2377 mptscsih_slave_destroy(struct scsi_device *sdev) 2378 { 2379 struct Scsi_Host *host = sdev->host; 2380 MPT_SCSI_HOST *hd = shost_priv(host); 2381 VirtTarget *vtarget; 2382 VirtDevice *vdevice; 2383 struct scsi_target *starget; 2384 2385 starget = scsi_target(sdev); 2386 vtarget = starget->hostdata; 2387 vdevice = sdev->hostdata; 2388 if (!vdevice) 2389 return; 2390 2391 mptscsih_search_running_cmds(hd, vdevice); 2392 vtarget->num_luns--; 2393 mptscsih_synchronize_cache(hd, vdevice); 2394 kfree(vdevice); 2395 sdev->hostdata = NULL; 2396 } 2397 2398 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2399 /* 2400 * mptscsih_change_queue_depth - This function will set a devices queue depth 2401 * @sdev: per scsi_device pointer 2402 * @qdepth: requested queue depth 2403 * @reason: calling context 2404 * 2405 * Adding support for new 'change_queue_depth' api. 2406 */ 2407 int 2408 mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) 2409 { 2410 MPT_SCSI_HOST *hd = shost_priv(sdev->host); 2411 VirtTarget *vtarget; 2412 struct scsi_target *starget; 2413 int max_depth; 2414 int tagged; 2415 MPT_ADAPTER *ioc = hd->ioc; 2416 2417 starget = scsi_target(sdev); 2418 vtarget = starget->hostdata; 2419 2420 if (reason != SCSI_QDEPTH_DEFAULT) 2421 return -EOPNOTSUPP; 2422 2423 if (ioc->bus_type == SPI) { 2424 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)) 2425 max_depth = 1; 2426 else if (sdev->type == TYPE_DISK && 2427 vtarget->minSyncFactor <= MPT_ULTRA160) 2428 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH; 2429 else 2430 max_depth = MPT_SCSI_CMD_PER_DEV_LOW; 2431 } else 2432 max_depth = ioc->sh->can_queue; 2433 2434 if (!sdev->tagged_supported) 2435 max_depth = 1; 2436 2437 if (qdepth > max_depth) 2438 qdepth = max_depth; 2439 if (qdepth == 1) 2440 tagged = 0; 2441 else 2442 tagged = MSG_SIMPLE_TAG; 2443 2444 scsi_adjust_queue_depth(sdev, tagged, qdepth); 2445 return sdev->queue_depth; 2446 } 2447 2448 /* 2449 * OS entry point to adjust the queue_depths on a per-device basis. 2450 * Called once per device the bus scan. Use it to force the queue_depth 2451 * member to 1 if a device does not support Q tags. 2452 * Return non-zero if fails. 2453 */ 2454 int 2455 mptscsih_slave_configure(struct scsi_device *sdev) 2456 { 2457 struct Scsi_Host *sh = sdev->host; 2458 VirtTarget *vtarget; 2459 VirtDevice *vdevice; 2460 struct scsi_target *starget; 2461 MPT_SCSI_HOST *hd = shost_priv(sh); 2462 MPT_ADAPTER *ioc = hd->ioc; 2463 2464 starget = scsi_target(sdev); 2465 vtarget = starget->hostdata; 2466 vdevice = sdev->hostdata; 2467 2468 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2469 "device @ %p, channel=%d, id=%d, lun=%d\n", 2470 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun)); 2471 if (ioc->bus_type == SPI) 2472 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2473 "sdtr %d wdtr %d ppr %d inq length=%d\n", 2474 ioc->name, sdev->sdtr, sdev->wdtr, 2475 sdev->ppr, sdev->inquiry_len)); 2476 2477 vdevice->configured_lun = 1; 2478 2479 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2480 "Queue depth=%d, tflags=%x\n", 2481 ioc->name, sdev->queue_depth, vtarget->tflags)); 2482 2483 if (ioc->bus_type == SPI) 2484 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2485 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n", 2486 ioc->name, vtarget->negoFlags, vtarget->maxOffset, 2487 vtarget->minSyncFactor)); 2488 2489 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH, 2490 SCSI_QDEPTH_DEFAULT); 2491 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2492 "tagged %d, simple %d, ordered %d\n", 2493 ioc->name,sdev->tagged_supported, sdev->simple_tags, 2494 sdev->ordered_tags)); 2495 2496 blk_queue_dma_alignment (sdev->request_queue, 512 - 1); 2497 2498 return 0; 2499 } 2500 2501 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2502 /* 2503 * Private routines... 2504 */ 2505 2506 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2507 /* Utility function to copy sense data from the scsi_cmnd buffer 2508 * to the FC and SCSI target structures. 2509 * 2510 */ 2511 static void 2512 mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply) 2513 { 2514 VirtDevice *vdevice; 2515 SCSIIORequest_t *pReq; 2516 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount); 2517 MPT_ADAPTER *ioc = hd->ioc; 2518 2519 /* Get target structure 2520 */ 2521 pReq = (SCSIIORequest_t *) mf; 2522 vdevice = sc->device->hostdata; 2523 2524 if (sense_count) { 2525 u8 *sense_data; 2526 int req_index; 2527 2528 /* Copy the sense received into the scsi command block. */ 2529 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 2530 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC)); 2531 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc)); 2532 2533 /* Log SMART data (asc = 0x5D, non-IM case only) if required. 2534 */ 2535 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) { 2536 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) { 2537 int idx; 2538 2539 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE; 2540 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE; 2541 ioc->events[idx].eventContext = ioc->eventContext; 2542 2543 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) | 2544 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) | 2545 (sc->device->channel << 8) | sc->device->id; 2546 2547 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12]; 2548 2549 ioc->eventContext++; 2550 if (ioc->pcidev->vendor == 2551 PCI_VENDOR_ID_IBM) { 2552 mptscsih_issue_sep_command(ioc, 2553 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); 2554 vdevice->vtarget->tflags |= 2555 MPT_TARGET_FLAGS_LED_ON; 2556 } 2557 } 2558 } 2559 } else { 2560 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n", 2561 ioc->name)); 2562 } 2563 } 2564 2565 /** 2566 * mptscsih_get_scsi_lookup - retrieves scmd entry 2567 * @ioc: Pointer to MPT_ADAPTER structure 2568 * @i: index into the array 2569 * 2570 * Returns the scsi_cmd pointer 2571 */ 2572 struct scsi_cmnd * 2573 mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i) 2574 { 2575 unsigned long flags; 2576 struct scsi_cmnd *scmd; 2577 2578 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2579 scmd = ioc->ScsiLookup[i]; 2580 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2581 2582 return scmd; 2583 } 2584 EXPORT_SYMBOL(mptscsih_get_scsi_lookup); 2585 2586 /** 2587 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list 2588 * @ioc: Pointer to MPT_ADAPTER structure 2589 * @i: index into the array 2590 * 2591 * Returns the scsi_cmd pointer 2592 * 2593 **/ 2594 static struct scsi_cmnd * 2595 mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i) 2596 { 2597 unsigned long flags; 2598 struct scsi_cmnd *scmd; 2599 2600 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2601 scmd = ioc->ScsiLookup[i]; 2602 ioc->ScsiLookup[i] = NULL; 2603 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2604 2605 return scmd; 2606 } 2607 2608 /** 2609 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list 2610 * 2611 * @ioc: Pointer to MPT_ADAPTER structure 2612 * @i: index into the array 2613 * @scmd: scsi_cmnd pointer 2614 * 2615 **/ 2616 static void 2617 mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd) 2618 { 2619 unsigned long flags; 2620 2621 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2622 ioc->ScsiLookup[i] = scmd; 2623 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2624 } 2625 2626 /** 2627 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list 2628 * @ioc: Pointer to MPT_ADAPTER structure 2629 * @sc: scsi_cmnd pointer 2630 */ 2631 static int 2632 SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc) 2633 { 2634 unsigned long flags; 2635 int i, index=-1; 2636 2637 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2638 for (i = 0; i < ioc->req_depth; i++) { 2639 if (ioc->ScsiLookup[i] == sc) { 2640 index = i; 2641 goto out; 2642 } 2643 } 2644 2645 out: 2646 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2647 return index; 2648 } 2649 2650 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2651 int 2652 mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) 2653 { 2654 MPT_SCSI_HOST *hd; 2655 2656 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL) 2657 return 0; 2658 2659 hd = shost_priv(ioc->sh); 2660 switch (reset_phase) { 2661 case MPT_IOC_SETUP_RESET: 2662 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2663 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__)); 2664 break; 2665 case MPT_IOC_PRE_RESET: 2666 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2667 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__)); 2668 mptscsih_flush_running_cmds(hd); 2669 break; 2670 case MPT_IOC_POST_RESET: 2671 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2672 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__)); 2673 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) { 2674 ioc->internal_cmds.status |= 2675 MPT_MGMT_STATUS_DID_IOCRESET; 2676 complete(&ioc->internal_cmds.done); 2677 } 2678 break; 2679 default: 2680 break; 2681 } 2682 return 1; /* currently means nothing really */ 2683 } 2684 2685 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2686 int 2687 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) 2688 { 2689 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; 2690 2691 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2692 "MPT event (=%02Xh) routed to SCSI host driver!\n", 2693 ioc->name, event)); 2694 2695 if ((event == MPI_EVENT_IOC_BUS_RESET || 2696 event == MPI_EVENT_EXT_BUS_RESET) && 2697 (ioc->bus_type == SPI) && (ioc->soft_resets < -1)) 2698 ioc->soft_resets++; 2699 2700 return 1; /* currently means nothing really */ 2701 } 2702 2703 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2704 /* 2705 * Bus Scan and Domain Validation functionality ... 2706 */ 2707 2708 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2709 /* 2710 * mptscsih_scandv_complete - Scan and DV callback routine registered 2711 * to Fustion MPT (base) driver. 2712 * 2713 * @ioc: Pointer to MPT_ADAPTER structure 2714 * @mf: Pointer to original MPT request frame 2715 * @mr: Pointer to MPT reply frame (NULL if TurboReply) 2716 * 2717 * This routine is called from mpt.c::mpt_interrupt() at the completion 2718 * of any SCSI IO request. 2719 * This routine is registered with the Fusion MPT (base) driver at driver 2720 * load/init time via the mpt_register() API call. 2721 * 2722 * Returns 1 indicating alloc'd request frame ptr should be freed. 2723 * 2724 * Remark: Sets a completion code and (possibly) saves sense data 2725 * in the IOC member localReply structure. 2726 * Used ONLY for DV and other internal commands. 2727 */ 2728 int 2729 mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, 2730 MPT_FRAME_HDR *reply) 2731 { 2732 SCSIIORequest_t *pReq; 2733 SCSIIOReply_t *pReply; 2734 u8 cmd; 2735 u16 req_idx; 2736 u8 *sense_data; 2737 int sz; 2738 2739 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 2740 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD; 2741 if (!reply) 2742 goto out; 2743 2744 pReply = (SCSIIOReply_t *) reply; 2745 pReq = (SCSIIORequest_t *) req; 2746 ioc->internal_cmds.completion_code = 2747 mptscsih_get_completion_code(ioc, req, reply); 2748 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID; 2749 memcpy(ioc->internal_cmds.reply, reply, 2750 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength)); 2751 cmd = reply->u.hdr.Function; 2752 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) || 2753 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) && 2754 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) { 2755 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx); 2756 sense_data = ((u8 *)ioc->sense_buf_pool + 2757 (req_idx * MPT_SENSE_BUFFER_ALLOC)); 2758 sz = min_t(int, pReq->SenseBufferLength, 2759 MPT_SENSE_BUFFER_ALLOC); 2760 memcpy(ioc->internal_cmds.sense, sense_data, sz); 2761 } 2762 out: 2763 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING)) 2764 return 0; 2765 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 2766 complete(&ioc->internal_cmds.done); 2767 return 1; 2768 } 2769 2770 2771 /** 2772 * mptscsih_get_completion_code - get completion code from MPT request 2773 * @ioc: Pointer to MPT_ADAPTER structure 2774 * @req: Pointer to original MPT request frame 2775 * @reply: Pointer to MPT reply frame (NULL if TurboReply) 2776 * 2777 **/ 2778 static int 2779 mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, 2780 MPT_FRAME_HDR *reply) 2781 { 2782 SCSIIOReply_t *pReply; 2783 MpiRaidActionReply_t *pr; 2784 u8 scsi_status; 2785 u16 status; 2786 int completion_code; 2787 2788 pReply = (SCSIIOReply_t *)reply; 2789 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK; 2790 scsi_status = pReply->SCSIStatus; 2791 2792 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2793 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh," 2794 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState, 2795 scsi_status, le32_to_cpu(pReply->IOCLogInfo))); 2796 2797 switch (status) { 2798 2799 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ 2800 completion_code = MPT_SCANDV_SELECTION_TIMEOUT; 2801 break; 2802 2803 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ 2804 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ 2805 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ 2806 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ 2807 completion_code = MPT_SCANDV_DID_RESET; 2808 break; 2809 2810 case MPI_IOCSTATUS_BUSY: 2811 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: 2812 completion_code = MPT_SCANDV_BUSY; 2813 break; 2814 2815 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ 2816 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ 2817 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ 2818 if (pReply->Function == MPI_FUNCTION_CONFIG) { 2819 completion_code = MPT_SCANDV_GOOD; 2820 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) { 2821 pr = (MpiRaidActionReply_t *)reply; 2822 if (le16_to_cpu(pr->ActionStatus) == 2823 MPI_RAID_ACTION_ASTATUS_SUCCESS) 2824 completion_code = MPT_SCANDV_GOOD; 2825 else 2826 completion_code = MPT_SCANDV_SOME_ERROR; 2827 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) 2828 completion_code = MPT_SCANDV_SENSE; 2829 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) { 2830 if (req->u.scsireq.CDB[0] == INQUIRY) 2831 completion_code = MPT_SCANDV_ISSUE_SENSE; 2832 else 2833 completion_code = MPT_SCANDV_DID_RESET; 2834 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS) 2835 completion_code = MPT_SCANDV_DID_RESET; 2836 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) 2837 completion_code = MPT_SCANDV_DID_RESET; 2838 else if (scsi_status == MPI_SCSI_STATUS_BUSY) 2839 completion_code = MPT_SCANDV_BUSY; 2840 else 2841 completion_code = MPT_SCANDV_GOOD; 2842 break; 2843 2844 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ 2845 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) 2846 completion_code = MPT_SCANDV_DID_RESET; 2847 else 2848 completion_code = MPT_SCANDV_SOME_ERROR; 2849 break; 2850 default: 2851 completion_code = MPT_SCANDV_SOME_ERROR; 2852 break; 2853 2854 } /* switch(status) */ 2855 2856 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2857 " completionCode set to %08xh\n", ioc->name, completion_code)); 2858 return completion_code; 2859 } 2860 2861 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2862 /** 2863 * mptscsih_do_cmd - Do internal command. 2864 * @hd: MPT_SCSI_HOST pointer 2865 * @io: INTERNAL_CMD pointer. 2866 * 2867 * Issue the specified internally generated command and do command 2868 * specific cleanup. For bus scan / DV only. 2869 * NOTES: If command is Inquiry and status is good, 2870 * initialize a target structure, save the data 2871 * 2872 * Remark: Single threaded access only. 2873 * 2874 * Return: 2875 * < 0 if an illegal command or no resources 2876 * 2877 * 0 if good 2878 * 2879 * > 0 if command complete but some type of completion error. 2880 */ 2881 static int 2882 mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io) 2883 { 2884 MPT_FRAME_HDR *mf; 2885 SCSIIORequest_t *pScsiReq; 2886 int my_idx, ii, dir; 2887 int timeout; 2888 char cmdLen; 2889 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; 2890 u8 cmd = io->cmd; 2891 MPT_ADAPTER *ioc = hd->ioc; 2892 int ret = 0; 2893 unsigned long timeleft; 2894 unsigned long flags; 2895 2896 /* don't send internal command during diag reset */ 2897 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 2898 if (ioc->ioc_reset_in_progress) { 2899 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 2900 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2901 "%s: busy with host reset\n", ioc->name, __func__)); 2902 return MPT_SCANDV_BUSY; 2903 } 2904 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 2905 2906 mutex_lock(&ioc->internal_cmds.mutex); 2907 2908 /* Set command specific information 2909 */ 2910 switch (cmd) { 2911 case INQUIRY: 2912 cmdLen = 6; 2913 dir = MPI_SCSIIO_CONTROL_READ; 2914 CDB[0] = cmd; 2915 CDB[4] = io->size; 2916 timeout = 10; 2917 break; 2918 2919 case TEST_UNIT_READY: 2920 cmdLen = 6; 2921 dir = MPI_SCSIIO_CONTROL_READ; 2922 timeout = 10; 2923 break; 2924 2925 case START_STOP: 2926 cmdLen = 6; 2927 dir = MPI_SCSIIO_CONTROL_READ; 2928 CDB[0] = cmd; 2929 CDB[4] = 1; /*Spin up the disk */ 2930 timeout = 15; 2931 break; 2932 2933 case REQUEST_SENSE: 2934 cmdLen = 6; 2935 CDB[0] = cmd; 2936 CDB[4] = io->size; 2937 dir = MPI_SCSIIO_CONTROL_READ; 2938 timeout = 10; 2939 break; 2940 2941 case READ_BUFFER: 2942 cmdLen = 10; 2943 dir = MPI_SCSIIO_CONTROL_READ; 2944 CDB[0] = cmd; 2945 if (io->flags & MPT_ICFLAG_ECHO) { 2946 CDB[1] = 0x0A; 2947 } else { 2948 CDB[1] = 0x02; 2949 } 2950 2951 if (io->flags & MPT_ICFLAG_BUF_CAP) { 2952 CDB[1] |= 0x01; 2953 } 2954 CDB[6] = (io->size >> 16) & 0xFF; 2955 CDB[7] = (io->size >> 8) & 0xFF; 2956 CDB[8] = io->size & 0xFF; 2957 timeout = 10; 2958 break; 2959 2960 case WRITE_BUFFER: 2961 cmdLen = 10; 2962 dir = MPI_SCSIIO_CONTROL_WRITE; 2963 CDB[0] = cmd; 2964 if (io->flags & MPT_ICFLAG_ECHO) { 2965 CDB[1] = 0x0A; 2966 } else { 2967 CDB[1] = 0x02; 2968 } 2969 CDB[6] = (io->size >> 16) & 0xFF; 2970 CDB[7] = (io->size >> 8) & 0xFF; 2971 CDB[8] = io->size & 0xFF; 2972 timeout = 10; 2973 break; 2974 2975 case RESERVE: 2976 cmdLen = 6; 2977 dir = MPI_SCSIIO_CONTROL_READ; 2978 CDB[0] = cmd; 2979 timeout = 10; 2980 break; 2981 2982 case RELEASE: 2983 cmdLen = 6; 2984 dir = MPI_SCSIIO_CONTROL_READ; 2985 CDB[0] = cmd; 2986 timeout = 10; 2987 break; 2988 2989 case SYNCHRONIZE_CACHE: 2990 cmdLen = 10; 2991 dir = MPI_SCSIIO_CONTROL_READ; 2992 CDB[0] = cmd; 2993 // CDB[1] = 0x02; /* set immediate bit */ 2994 timeout = 10; 2995 break; 2996 2997 default: 2998 /* Error Case */ 2999 ret = -EFAULT; 3000 goto out; 3001 } 3002 3003 /* Get and Populate a free Frame 3004 * MsgContext set in mpt_get_msg_frame call 3005 */ 3006 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) { 3007 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n", 3008 ioc->name, __func__)); 3009 ret = MPT_SCANDV_BUSY; 3010 goto out; 3011 } 3012 3013 pScsiReq = (SCSIIORequest_t *) mf; 3014 3015 /* Get the request index */ 3016 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 3017 ADD_INDEX_LOG(my_idx); /* for debug */ 3018 3019 if (io->flags & MPT_ICFLAG_PHYS_DISK) { 3020 pScsiReq->TargetID = io->physDiskNum; 3021 pScsiReq->Bus = 0; 3022 pScsiReq->ChainOffset = 0; 3023 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 3024 } else { 3025 pScsiReq->TargetID = io->id; 3026 pScsiReq->Bus = io->channel; 3027 pScsiReq->ChainOffset = 0; 3028 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 3029 } 3030 3031 pScsiReq->CDBLength = cmdLen; 3032 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 3033 3034 pScsiReq->Reserved = 0; 3035 3036 pScsiReq->MsgFlags = mpt_msg_flags(ioc); 3037 /* MsgContext set in mpt_get_msg_fram call */ 3038 3039 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN); 3040 3041 if (io->flags & MPT_ICFLAG_TAGGED_CMD) 3042 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ); 3043 else 3044 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); 3045 3046 if (cmd == REQUEST_SENSE) { 3047 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); 3048 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3049 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd)); 3050 } 3051 3052 for (ii = 0; ii < 16; ii++) 3053 pScsiReq->CDB[ii] = CDB[ii]; 3054 3055 pScsiReq->DataLength = cpu_to_le32(io->size); 3056 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma 3057 + (my_idx * MPT_SENSE_BUFFER_ALLOC)); 3058 3059 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3060 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n", 3061 ioc->name, __func__, cmd, io->channel, io->id, io->lun)); 3062 3063 if (dir == MPI_SCSIIO_CONTROL_READ) 3064 ioc->add_sge((char *) &pScsiReq->SGL, 3065 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma); 3066 else 3067 ioc->add_sge((char *) &pScsiReq->SGL, 3068 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma); 3069 3070 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status) 3071 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf); 3072 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done, 3073 timeout*HZ); 3074 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 3075 ret = MPT_SCANDV_DID_RESET; 3076 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3077 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__, 3078 cmd)); 3079 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { 3080 mpt_free_msg_frame(ioc, mf); 3081 goto out; 3082 } 3083 if (!timeleft) { 3084 printk(MYIOC_s_WARN_FMT 3085 "Issuing Reset from %s!! doorbell=0x%08xh" 3086 " cmd=0x%02x\n", 3087 ioc->name, __func__, mpt_GetIocState(ioc, 0), 3088 cmd); 3089 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 3090 mpt_free_msg_frame(ioc, mf); 3091 } 3092 goto out; 3093 } 3094 3095 ret = ioc->internal_cmds.completion_code; 3096 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n", 3097 ioc->name, __func__, ret)); 3098 3099 out: 3100 CLEAR_MGMT_STATUS(ioc->internal_cmds.status) 3101 mutex_unlock(&ioc->internal_cmds.mutex); 3102 return ret; 3103 } 3104 3105 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3106 /** 3107 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks. 3108 * @hd: Pointer to a SCSI HOST structure 3109 * @vdevice: virtual target device 3110 * 3111 * Uses the ISR, but with special processing. 3112 * MUST be single-threaded. 3113 * 3114 */ 3115 static void 3116 mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice) 3117 { 3118 INTERNAL_CMD iocmd; 3119 3120 /* Ignore hidden raid components, this is handled when the command 3121 * is sent to the volume 3122 */ 3123 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 3124 return; 3125 3126 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted || 3127 !vdevice->configured_lun) 3128 return; 3129 3130 /* Following parameters will not change 3131 * in this routine. 3132 */ 3133 iocmd.cmd = SYNCHRONIZE_CACHE; 3134 iocmd.flags = 0; 3135 iocmd.physDiskNum = -1; 3136 iocmd.data = NULL; 3137 iocmd.data_dma = -1; 3138 iocmd.size = 0; 3139 iocmd.rsvd = iocmd.rsvd2 = 0; 3140 iocmd.channel = vdevice->vtarget->channel; 3141 iocmd.id = vdevice->vtarget->id; 3142 iocmd.lun = vdevice->lun; 3143 3144 mptscsih_do_cmd(hd, &iocmd); 3145 } 3146 3147 static ssize_t 3148 mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr, 3149 char *buf) 3150 { 3151 struct Scsi_Host *host = class_to_shost(dev); 3152 MPT_SCSI_HOST *hd = shost_priv(host); 3153 MPT_ADAPTER *ioc = hd->ioc; 3154 3155 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", 3156 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, 3157 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, 3158 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, 3159 ioc->facts.FWVersion.Word & 0x000000FF); 3160 } 3161 static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL); 3162 3163 static ssize_t 3164 mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr, 3165 char *buf) 3166 { 3167 struct Scsi_Host *host = class_to_shost(dev); 3168 MPT_SCSI_HOST *hd = shost_priv(host); 3169 MPT_ADAPTER *ioc = hd->ioc; 3170 3171 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 3172 (ioc->biosVersion & 0xFF000000) >> 24, 3173 (ioc->biosVersion & 0x00FF0000) >> 16, 3174 (ioc->biosVersion & 0x0000FF00) >> 8, 3175 ioc->biosVersion & 0x000000FF); 3176 } 3177 static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL); 3178 3179 static ssize_t 3180 mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr, 3181 char *buf) 3182 { 3183 struct Scsi_Host *host = class_to_shost(dev); 3184 MPT_SCSI_HOST *hd = shost_priv(host); 3185 MPT_ADAPTER *ioc = hd->ioc; 3186 3187 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion); 3188 } 3189 static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL); 3190 3191 static ssize_t 3192 mptscsih_version_product_show(struct device *dev, 3193 struct device_attribute *attr, 3194 char *buf) 3195 { 3196 struct Scsi_Host *host = class_to_shost(dev); 3197 MPT_SCSI_HOST *hd = shost_priv(host); 3198 MPT_ADAPTER *ioc = hd->ioc; 3199 3200 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name); 3201 } 3202 static DEVICE_ATTR(version_product, S_IRUGO, 3203 mptscsih_version_product_show, NULL); 3204 3205 static ssize_t 3206 mptscsih_version_nvdata_persistent_show(struct device *dev, 3207 struct device_attribute *attr, 3208 char *buf) 3209 { 3210 struct Scsi_Host *host = class_to_shost(dev); 3211 MPT_SCSI_HOST *hd = shost_priv(host); 3212 MPT_ADAPTER *ioc = hd->ioc; 3213 3214 return snprintf(buf, PAGE_SIZE, "%02xh\n", 3215 ioc->nvdata_version_persistent); 3216 } 3217 static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO, 3218 mptscsih_version_nvdata_persistent_show, NULL); 3219 3220 static ssize_t 3221 mptscsih_version_nvdata_default_show(struct device *dev, 3222 struct device_attribute *attr, char *buf) 3223 { 3224 struct Scsi_Host *host = class_to_shost(dev); 3225 MPT_SCSI_HOST *hd = shost_priv(host); 3226 MPT_ADAPTER *ioc = hd->ioc; 3227 3228 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default); 3229 } 3230 static DEVICE_ATTR(version_nvdata_default, S_IRUGO, 3231 mptscsih_version_nvdata_default_show, NULL); 3232 3233 static ssize_t 3234 mptscsih_board_name_show(struct device *dev, struct device_attribute *attr, 3235 char *buf) 3236 { 3237 struct Scsi_Host *host = class_to_shost(dev); 3238 MPT_SCSI_HOST *hd = shost_priv(host); 3239 MPT_ADAPTER *ioc = hd->ioc; 3240 3241 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name); 3242 } 3243 static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL); 3244 3245 static ssize_t 3246 mptscsih_board_assembly_show(struct device *dev, 3247 struct device_attribute *attr, char *buf) 3248 { 3249 struct Scsi_Host *host = class_to_shost(dev); 3250 MPT_SCSI_HOST *hd = shost_priv(host); 3251 MPT_ADAPTER *ioc = hd->ioc; 3252 3253 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly); 3254 } 3255 static DEVICE_ATTR(board_assembly, S_IRUGO, 3256 mptscsih_board_assembly_show, NULL); 3257 3258 static ssize_t 3259 mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr, 3260 char *buf) 3261 { 3262 struct Scsi_Host *host = class_to_shost(dev); 3263 MPT_SCSI_HOST *hd = shost_priv(host); 3264 MPT_ADAPTER *ioc = hd->ioc; 3265 3266 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer); 3267 } 3268 static DEVICE_ATTR(board_tracer, S_IRUGO, 3269 mptscsih_board_tracer_show, NULL); 3270 3271 static ssize_t 3272 mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr, 3273 char *buf) 3274 { 3275 struct Scsi_Host *host = class_to_shost(dev); 3276 MPT_SCSI_HOST *hd = shost_priv(host); 3277 MPT_ADAPTER *ioc = hd->ioc; 3278 3279 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay); 3280 } 3281 static DEVICE_ATTR(io_delay, S_IRUGO, 3282 mptscsih_io_delay_show, NULL); 3283 3284 static ssize_t 3285 mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr, 3286 char *buf) 3287 { 3288 struct Scsi_Host *host = class_to_shost(dev); 3289 MPT_SCSI_HOST *hd = shost_priv(host); 3290 MPT_ADAPTER *ioc = hd->ioc; 3291 3292 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay); 3293 } 3294 static DEVICE_ATTR(device_delay, S_IRUGO, 3295 mptscsih_device_delay_show, NULL); 3296 3297 static ssize_t 3298 mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr, 3299 char *buf) 3300 { 3301 struct Scsi_Host *host = class_to_shost(dev); 3302 MPT_SCSI_HOST *hd = shost_priv(host); 3303 MPT_ADAPTER *ioc = hd->ioc; 3304 3305 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level); 3306 } 3307 static ssize_t 3308 mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr, 3309 const char *buf, size_t count) 3310 { 3311 struct Scsi_Host *host = class_to_shost(dev); 3312 MPT_SCSI_HOST *hd = shost_priv(host); 3313 MPT_ADAPTER *ioc = hd->ioc; 3314 int val = 0; 3315 3316 if (sscanf(buf, "%x", &val) != 1) 3317 return -EINVAL; 3318 3319 ioc->debug_level = val; 3320 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n", 3321 ioc->name, ioc->debug_level); 3322 return strlen(buf); 3323 } 3324 static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR, 3325 mptscsih_debug_level_show, mptscsih_debug_level_store); 3326 3327 struct device_attribute *mptscsih_host_attrs[] = { 3328 &dev_attr_version_fw, 3329 &dev_attr_version_bios, 3330 &dev_attr_version_mpi, 3331 &dev_attr_version_product, 3332 &dev_attr_version_nvdata_persistent, 3333 &dev_attr_version_nvdata_default, 3334 &dev_attr_board_name, 3335 &dev_attr_board_assembly, 3336 &dev_attr_board_tracer, 3337 &dev_attr_io_delay, 3338 &dev_attr_device_delay, 3339 &dev_attr_debug_level, 3340 NULL, 3341 }; 3342 3343 EXPORT_SYMBOL(mptscsih_host_attrs); 3344 3345 EXPORT_SYMBOL(mptscsih_remove); 3346 EXPORT_SYMBOL(mptscsih_shutdown); 3347 #ifdef CONFIG_PM 3348 EXPORT_SYMBOL(mptscsih_suspend); 3349 EXPORT_SYMBOL(mptscsih_resume); 3350 #endif 3351 EXPORT_SYMBOL(mptscsih_proc_info); 3352 EXPORT_SYMBOL(mptscsih_info); 3353 EXPORT_SYMBOL(mptscsih_qcmd); 3354 EXPORT_SYMBOL(mptscsih_slave_destroy); 3355 EXPORT_SYMBOL(mptscsih_slave_configure); 3356 EXPORT_SYMBOL(mptscsih_abort); 3357 EXPORT_SYMBOL(mptscsih_dev_reset); 3358 EXPORT_SYMBOL(mptscsih_bus_reset); 3359 EXPORT_SYMBOL(mptscsih_host_reset); 3360 EXPORT_SYMBOL(mptscsih_bios_param); 3361 EXPORT_SYMBOL(mptscsih_io_done); 3362 EXPORT_SYMBOL(mptscsih_taskmgmt_complete); 3363 EXPORT_SYMBOL(mptscsih_scandv_complete); 3364 EXPORT_SYMBOL(mptscsih_event_process); 3365 EXPORT_SYMBOL(mptscsih_ioc_reset); 3366 EXPORT_SYMBOL(mptscsih_change_queue_depth); 3367 3368 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3369