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mptscsih.c
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linux-6.19.14/drivers/message/fusion/mptscsih.c
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> 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 75MODULE_AUTHOR(MODULEAUTHOR); 76MODULE_DESCRIPTION(my_NAME); 77MODULE_LICENSE("GPL"); 78MODULE_VERSION(my_VERSION); 79 80/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 81/* 82 * Other private/forward protos... 83 */ 84struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i); 85static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i); 86static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd); 87static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd); 88int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); 89static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq); 90int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); 91 92static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt, 93 SCSIIORequest_t *pReq, int req_idx); 94static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx); 95static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply); 96 97int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, 98 u64 lun, int ctx2abort, ulong timeout); 99 100int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset); 101int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply); 102 103void 104mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code); 105static int mptscsih_get_completion_code(MPT_ADAPTER *ioc, 106 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply); 107int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); 108static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd); 109static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice); 110 111static int 112mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type, 113 SCSITaskMgmtReply_t *pScsiTmReply); 114void mptscsih_remove(struct pci_dev *); 115void mptscsih_shutdown(struct pci_dev *); 116#ifdef CONFIG_PM 117int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state); 118int mptscsih_resume(struct pci_dev *pdev); 119#endif 120 121 122/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 123/* 124 * mptscsih_getFreeChainBuffer - Function to get a free chain 125 * from the MPT_SCSI_HOST FreeChainQ. 126 * @ioc: Pointer to MPT_ADAPTER structure 127 * @req_idx: Index of the SCSI IO request frame. (output) 128 * 129 * return SUCCESS or FAILED 130 */ 131static inline int 132mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex) 133{ 134 MPT_FRAME_HDR *chainBuf; 135 unsigned long flags; 136 int rc; 137 int chain_idx; 138 139 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n", 140 ioc->name)); 141 spin_lock_irqsave(&ioc->FreeQlock, flags); 142 if (!list_empty(&ioc->FreeChainQ)) { 143 int offset; 144 145 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR, 146 u.frame.linkage.list); 147 list_del(&chainBuf->u.frame.linkage.list); 148 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer; 149 chain_idx = offset / ioc->req_sz; 150 rc = SUCCESS; 151 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT 152 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n", 153 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx)); 154 } else { 155 rc = FAILED; 156 chain_idx = MPT_HOST_NO_CHAIN; 157 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n", 158 ioc->name)); 159 } 160 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 161 162 *retIndex = chain_idx; 163 return rc; 164} /* mptscsih_getFreeChainBuffer() */ 165 166/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 167/* 168 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the 169 * SCSIIORequest_t Message Frame. 170 * @ioc: Pointer to MPT_ADAPTER structure 171 * @SCpnt: Pointer to scsi_cmnd structure 172 * @pReq: Pointer to SCSIIORequest_t structure 173 * 174 * Returns ... 175 */ 176static int 177mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt, 178 SCSIIORequest_t *pReq, int req_idx) 179{ 180 char *psge; 181 char *chainSge; 182 struct scatterlist *sg; 183 int frm_sz; 184 int sges_left, sg_done; 185 int chain_idx = MPT_HOST_NO_CHAIN; 186 int sgeOffset; 187 int numSgeSlots, numSgeThisFrame; 188 u32 sgflags, sgdir, thisxfer = 0; 189 int chain_dma_off = 0; 190 int newIndex; 191 int ii; 192 dma_addr_t v2; 193 u32 RequestNB; 194 195 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK; 196 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) { 197 sgdir = MPT_TRANSFER_HOST_TO_IOC; 198 } else { 199 sgdir = MPT_TRANSFER_IOC_TO_HOST; 200 } 201 202 psge = (char *) &pReq->SGL; 203 frm_sz = ioc->req_sz; 204 205 /* Map the data portion, if any. 206 * sges_left = 0 if no data transfer. 207 */ 208 sges_left = scsi_dma_map(SCpnt); 209 if (sges_left < 0) 210 return FAILED; 211 212 /* Handle the SG case. 213 */ 214 sg = scsi_sglist(SCpnt); 215 sg_done = 0; 216 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION); 217 chainSge = NULL; 218 219 /* Prior to entering this loop - the following must be set 220 * current MF: sgeOffset (bytes) 221 * chainSge (Null if original MF is not a chain buffer) 222 * sg_done (num SGE done for this MF) 223 */ 224 225nextSGEset: 226 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size); 227 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots; 228 229 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir; 230 231 /* Get first (num - 1) SG elements 232 * Skip any SG entries with a length of 0 233 * NOTE: at finish, sg and psge pointed to NEXT data/location positions 234 */ 235 for (ii=0; ii < (numSgeThisFrame-1); ii++) { 236 thisxfer = sg_dma_len(sg); 237 if (thisxfer == 0) { 238 /* Get next SG element from the OS */ 239 sg = sg_next(sg); 240 sg_done++; 241 continue; 242 } 243 244 v2 = sg_dma_address(sg); 245 ioc->add_sge(psge, sgflags | thisxfer, v2); 246 247 /* Get next SG element from the OS */ 248 sg = sg_next(sg); 249 psge += ioc->SGE_size; 250 sgeOffset += ioc->SGE_size; 251 sg_done++; 252 } 253 254 if (numSgeThisFrame == sges_left) { 255 /* Add last element, end of buffer and end of list flags. 256 */ 257 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT | 258 MPT_SGE_FLAGS_END_OF_BUFFER | 259 MPT_SGE_FLAGS_END_OF_LIST; 260 261 /* Add last SGE and set termination flags. 262 * Note: Last SGE may have a length of 0 - which should be ok. 263 */ 264 thisxfer = sg_dma_len(sg); 265 266 v2 = sg_dma_address(sg); 267 ioc->add_sge(psge, sgflags | thisxfer, v2); 268 sgeOffset += ioc->SGE_size; 269 sg_done++; 270 271 if (chainSge) { 272 /* The current buffer is a chain buffer, 273 * but there is not another one. 274 * Update the chain element 275 * Offset and Length fields. 276 */ 277 ioc->add_chain((char *)chainSge, 0, sgeOffset, 278 ioc->ChainBufferDMA + chain_dma_off); 279 } else { 280 /* The current buffer is the original MF 281 * and there is no Chain buffer. 282 */ 283 pReq->ChainOffset = 0; 284 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03; 285 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT 286 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset)); 287 ioc->RequestNB[req_idx] = RequestNB; 288 } 289 } else { 290 /* At least one chain buffer is needed. 291 * Complete the first MF 292 * - last SGE element, set the LastElement bit 293 * - set ChainOffset (words) for orig MF 294 * (OR finish previous MF chain buffer) 295 * - update MFStructPtr ChainIndex 296 * - Populate chain element 297 * Also 298 * Loop until done. 299 */ 300 301 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n", 302 ioc->name, sg_done)); 303 304 /* Set LAST_ELEMENT flag for last non-chain element 305 * in the buffer. Since psge points at the NEXT 306 * SGE element, go back one SGE element, update the flags 307 * and reset the pointer. (Note: sgflags & thisxfer are already 308 * set properly). 309 */ 310 if (sg_done) { 311 u32 *ptmp = (u32 *) (psge - ioc->SGE_size); 312 sgflags = le32_to_cpu(*ptmp); 313 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT; 314 *ptmp = cpu_to_le32(sgflags); 315 } 316 317 if (chainSge) { 318 /* The current buffer is a chain buffer. 319 * chainSge points to the previous Chain Element. 320 * Update its chain element Offset and Length (must 321 * include chain element size) fields. 322 * Old chain element is now complete. 323 */ 324 u8 nextChain = (u8) (sgeOffset >> 2); 325 sgeOffset += ioc->SGE_size; 326 ioc->add_chain((char *)chainSge, nextChain, sgeOffset, 327 ioc->ChainBufferDMA + chain_dma_off); 328 } else { 329 /* The original MF buffer requires a chain buffer - 330 * set the offset. 331 * Last element in this MF is a chain element. 332 */ 333 pReq->ChainOffset = (u8) (sgeOffset >> 2); 334 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03; 335 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset)); 336 ioc->RequestNB[req_idx] = RequestNB; 337 } 338 339 sges_left -= sg_done; 340 341 342 /* NOTE: psge points to the beginning of the chain element 343 * in current buffer. Get a chain buffer. 344 */ 345 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) { 346 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 347 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n", 348 ioc->name, pReq->CDB[0], SCpnt)); 349 return FAILED; 350 } 351 352 /* Update the tracking arrays. 353 * If chainSge == NULL, update ReqToChain, else ChainToChain 354 */ 355 if (chainSge) { 356 ioc->ChainToChain[chain_idx] = newIndex; 357 } else { 358 ioc->ReqToChain[req_idx] = newIndex; 359 } 360 chain_idx = newIndex; 361 chain_dma_off = ioc->req_sz * chain_idx; 362 363 /* Populate the chainSGE for the current buffer. 364 * - Set chain buffer pointer to psge and fill 365 * out the Address and Flags fields. 366 */ 367 chainSge = (char *) psge; 368 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)", 369 ioc->name, psge, req_idx)); 370 371 /* Start the SGE for the next buffer 372 */ 373 psge = (char *) (ioc->ChainBuffer + chain_dma_off); 374 sgeOffset = 0; 375 sg_done = 0; 376 377 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n", 378 ioc->name, psge, chain_idx)); 379 380 /* Start the SGE for the next buffer 381 */ 382 383 goto nextSGEset; 384 } 385 386 return SUCCESS; 387} /* mptscsih_AddSGE() */ 388 389static void 390mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget, 391 U32 SlotStatus) 392{ 393 MPT_FRAME_HDR *mf; 394 SEPRequest_t *SEPMsg; 395 396 if (ioc->bus_type != SAS) 397 return; 398 399 /* Not supported for hidden raid components 400 */ 401 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 402 return; 403 404 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) { 405 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n", 406 ioc->name,__func__)); 407 return; 408 } 409 410 SEPMsg = (SEPRequest_t *)mf; 411 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; 412 SEPMsg->Bus = vtarget->channel; 413 SEPMsg->TargetID = vtarget->id; 414 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS; 415 SEPMsg->SlotStatus = SlotStatus; 416 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 417 "Sending SEP cmd=%x channel=%d id=%d\n", 418 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID)); 419 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); 420} 421 422#ifdef CONFIG_FUSION_LOGGING 423/** 424 * mptscsih_info_scsiio - debug print info on reply frame 425 * @ioc: Pointer to MPT_ADAPTER structure 426 * @sc: original scsi cmnd pointer 427 * @pScsiReply: Pointer to MPT reply frame 428 * 429 * MPT_DEBUG_REPLY needs to be enabled to obtain this info 430 * 431 * Refer to lsi/mpi.h. 432 **/ 433static void 434mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply) 435{ 436 char *desc = NULL; 437 char *desc1 = NULL; 438 u16 ioc_status; 439 u8 skey, asc, ascq; 440 441 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK; 442 443 switch (ioc_status) { 444 445 case MPI_IOCSTATUS_SUCCESS: 446 desc = "success"; 447 break; 448 case MPI_IOCSTATUS_SCSI_INVALID_BUS: 449 desc = "invalid bus"; 450 break; 451 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: 452 desc = "invalid target_id"; 453 break; 454 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 455 desc = "device not there"; 456 break; 457 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: 458 desc = "data overrun"; 459 break; 460 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: 461 desc = "data underrun"; 462 break; 463 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: 464 desc = "I/O data error"; 465 break; 466 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: 467 desc = "protocol error"; 468 break; 469 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: 470 desc = "task terminated"; 471 break; 472 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 473 desc = "residual mismatch"; 474 break; 475 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 476 desc = "task management failed"; 477 break; 478 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: 479 desc = "IOC terminated"; 480 break; 481 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: 482 desc = "ext terminated"; 483 break; 484 default: 485 desc = ""; 486 break; 487 } 488 489 switch (pScsiReply->SCSIStatus) 490 { 491 492 case MPI_SCSI_STATUS_SUCCESS: 493 desc1 = "success"; 494 break; 495 case MPI_SCSI_STATUS_CHECK_CONDITION: 496 desc1 = "check condition"; 497 break; 498 case MPI_SCSI_STATUS_CONDITION_MET: 499 desc1 = "condition met"; 500 break; 501 case MPI_SCSI_STATUS_BUSY: 502 desc1 = "busy"; 503 break; 504 case MPI_SCSI_STATUS_INTERMEDIATE: 505 desc1 = "intermediate"; 506 break; 507 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET: 508 desc1 = "intermediate condmet"; 509 break; 510 case MPI_SCSI_STATUS_RESERVATION_CONFLICT: 511 desc1 = "reservation conflict"; 512 break; 513 case MPI_SCSI_STATUS_COMMAND_TERMINATED: 514 desc1 = "command terminated"; 515 break; 516 case MPI_SCSI_STATUS_TASK_SET_FULL: 517 desc1 = "task set full"; 518 break; 519 case MPI_SCSI_STATUS_ACA_ACTIVE: 520 desc1 = "aca active"; 521 break; 522 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT: 523 desc1 = "fcpext device logged out"; 524 break; 525 case MPI_SCSI_STATUS_FCPEXT_NO_LINK: 526 desc1 = "fcpext no link"; 527 break; 528 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED: 529 desc1 = "fcpext unassigned"; 530 break; 531 default: 532 desc1 = ""; 533 break; 534 } 535 536 scsi_print_command(sc); 537 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %llu\n", 538 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun); 539 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, " 540 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow, 541 scsi_get_resid(sc)); 542 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, " 543 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag), 544 le32_to_cpu(pScsiReply->TransferCount), sc->result); 545 546 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), " 547 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n", 548 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus, 549 pScsiReply->SCSIState); 550 551 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) { 552 skey = sc->sense_buffer[2] & 0x0F; 553 asc = sc->sense_buffer[12]; 554 ascq = sc->sense_buffer[13]; 555 556 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: " 557 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq); 558 } 559 560 /* 561 * Look for + dump FCP ResponseInfo[]! 562 */ 563 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID && 564 pScsiReply->ResponseInfo) 565 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n", 566 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo)); 567} 568#endif 569 570/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 571/* 572 * mptscsih_io_done - Main SCSI IO callback routine registered to 573 * Fusion MPT (base) driver 574 * @ioc: Pointer to MPT_ADAPTER structure 575 * @mf: Pointer to original MPT request frame 576 * @r: Pointer to MPT reply frame (NULL if TurboReply) 577 * 578 * This routine is called from mpt.c::mpt_interrupt() at the completion 579 * of any SCSI IO request. 580 * This routine is registered with the Fusion MPT (base) driver at driver 581 * load/init time via the mpt_register() API call. 582 * 583 * Returns 1 indicating alloc'd request frame ptr should be freed. 584 */ 585int 586mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) 587{ 588 struct scsi_cmnd *sc; 589 MPT_SCSI_HOST *hd; 590 SCSIIORequest_t *pScsiReq; 591 SCSIIOReply_t *pScsiReply; 592 u16 req_idx, req_idx_MR; 593 VirtDevice *vdevice; 594 VirtTarget *vtarget; 595 596 hd = shost_priv(ioc->sh); 597 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 598 req_idx_MR = (mr != NULL) ? 599 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx; 600 601 /* Special case, where already freed message frame is received from 602 * Firmware. It happens with Resetting IOC. 603 * Return immediately. Do not care 604 */ 605 if ((req_idx != req_idx_MR) || 606 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf)) 607 return 0; 608 609 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx); 610 if (sc == NULL) { 611 MPIHeader_t *hdr = (MPIHeader_t *)mf; 612 613 /* Remark: writeSDP1 will use the ScsiDoneCtx 614 * If a SCSI I/O cmd, device disabled by OS and 615 * completion done. Cannot touch sc struct. Just free mem. 616 */ 617 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST) 618 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n", 619 ioc->name); 620 621 mptscsih_freeChainBuffers(ioc, req_idx); 622 return 1; 623 } 624 625 if ((unsigned char *)mf != sc->host_scribble) { 626 mptscsih_freeChainBuffers(ioc, req_idx); 627 return 1; 628 } 629 630 if (ioc->bus_type == SAS) { 631 VirtDevice *vdevice = sc->device->hostdata; 632 633 if (!vdevice || !vdevice->vtarget || 634 vdevice->vtarget->deleted) { 635 sc->result = DID_NO_CONNECT << 16; 636 goto out; 637 } 638 } 639 640 sc->host_scribble = NULL; 641 sc->result = DID_OK << 16; /* Set default reply as OK */ 642 pScsiReq = (SCSIIORequest_t *) mf; 643 pScsiReply = (SCSIIOReply_t *) mr; 644 645 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){ 646 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT 647 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n", 648 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag)); 649 }else{ 650 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT 651 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n", 652 ioc->name, mf, mr, sc, req_idx)); 653 } 654 655 if (pScsiReply == NULL) { 656 /* special context reply handling */ 657 ; 658 } else { 659 u32 xfer_cnt; 660 u16 status; 661 u8 scsi_state, scsi_status; 662 u32 log_info; 663 664 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK; 665 666 scsi_state = pScsiReply->SCSIState; 667 scsi_status = pScsiReply->SCSIStatus; 668 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount); 669 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt); 670 log_info = le32_to_cpu(pScsiReply->IOCLogInfo); 671 672 /* 673 * if we get a data underrun indication, yet no data was 674 * transferred and the SCSI status indicates that the 675 * command was never started, change the data underrun 676 * to success 677 */ 678 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && 679 (scsi_status == MPI_SCSI_STATUS_BUSY || 680 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT || 681 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) { 682 status = MPI_IOCSTATUS_SUCCESS; 683 } 684 685 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) 686 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply); 687 688 /* 689 * Look for + dump FCP ResponseInfo[]! 690 */ 691 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID && 692 pScsiReply->ResponseInfo) { 693 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%llu] " 694 "FCP_ResponseInfo=%08xh\n", ioc->name, 695 sc->device->host->host_no, sc->device->channel, 696 sc->device->id, sc->device->lun, 697 le32_to_cpu(pScsiReply->ResponseInfo)); 698 } 699 700 switch(status) { 701 case MPI_IOCSTATUS_BUSY: /* 0x0002 */ 702 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */ 703 /* CHECKME! 704 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry) 705 * But not: DID_BUS_BUSY lest one risk 706 * killing interrupt handler:-( 707 */ 708 sc->result = SAM_STAT_BUSY; 709 break; 710 711 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */ 712 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */ 713 sc->result = DID_BAD_TARGET << 16; 714 break; 715 716 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ 717 /* Spoof to SCSI Selection Timeout! */ 718 if (ioc->bus_type != FC) 719 sc->result = DID_NO_CONNECT << 16; 720 /* else fibre, just stall until rescan event */ 721 else 722 sc->result = DID_REQUEUE << 16; 723 724 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF) 725 hd->sel_timeout[pScsiReq->TargetID]++; 726 727 vdevice = sc->device->hostdata; 728 if (!vdevice) 729 break; 730 vtarget = vdevice->vtarget; 731 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) { 732 mptscsih_issue_sep_command(ioc, vtarget, 733 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED); 734 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON; 735 } 736 break; 737 738 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ 739 if ( ioc->bus_type == SAS ) { 740 u16 ioc_status = 741 le16_to_cpu(pScsiReply->IOCStatus); 742 if ((ioc_status & 743 MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) 744 && 745 ((log_info & SAS_LOGINFO_MASK) == 746 SAS_LOGINFO_NEXUS_LOSS)) { 747 VirtDevice *vdevice = 748 sc->device->hostdata; 749 750 /* flag the device as being in 751 * device removal delay so we can 752 * notify the midlayer to hold off 753 * on timeout eh */ 754 if (vdevice && vdevice-> 755 vtarget && 756 vdevice->vtarget-> 757 raidVolume) 758 printk(KERN_INFO 759 "Skipping Raid Volume" 760 "for inDMD\n"); 761 else if (vdevice && 762 vdevice->vtarget) 763 vdevice->vtarget-> 764 inDMD = 1; 765 766 sc->result = 767 (DID_TRANSPORT_DISRUPTED 768 << 16); 769 break; 770 } 771 } else if (ioc->bus_type == FC) { 772 /* 773 * The FC IOC may kill a request for variety of 774 * reasons, some of which may be recovered by a 775 * retry, some which are unlikely to be 776 * recovered. Return DID_ERROR instead of 777 * DID_RESET to permit retry of the command, 778 * just not an infinite number of them 779 */ 780 sc->result = DID_ERROR << 16; 781 break; 782 } 783 784 /* 785 * Allow non-SAS & non-NEXUS_LOSS to drop into below code 786 */ 787 fallthrough; 788 789 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ 790 /* Linux handles an unsolicited DID_RESET better 791 * than an unsolicited DID_ABORT. 792 */ 793 sc->result = DID_RESET << 16; 794 break; 795 796 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ 797 if (ioc->bus_type == FC) 798 sc->result = DID_ERROR << 16; 799 else 800 sc->result = DID_RESET << 16; 801 break; 802 803 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */ 804 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt); 805 if((xfer_cnt==0)||(sc->underflow > xfer_cnt)) 806 sc->result=DID_SOFT_ERROR << 16; 807 else /* Sufficient data transfer occurred */ 808 sc->result = (DID_OK << 16) | scsi_status; 809 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 810 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n", 811 ioc->name, sc->result, sc->device->channel, sc->device->id)); 812 break; 813 814 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ 815 /* 816 * Do upfront check for valid SenseData and give it 817 * precedence! 818 */ 819 sc->result = (DID_OK << 16) | scsi_status; 820 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) { 821 822 /* 823 * For an Errata on LSI53C1030 824 * When the length of request data 825 * and transfer data are different 826 * with result of command (READ or VERIFY), 827 * DID_SOFT_ERROR is set. 828 */ 829 if (ioc->bus_type == SPI) { 830 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) || 831 pScsiReq->CDB[0] == READ_10 || 832 pScsiReq->CDB[0] == READ_12 || 833 (pScsiReq->CDB[0] == READ_16 && 834 ((pScsiReq->CDB[1] & 0x02) == 0)) || 835 pScsiReq->CDB[0] == VERIFY || 836 pScsiReq->CDB[0] == VERIFY_16) { 837 if (scsi_bufflen(sc) != 838 xfer_cnt) { 839 sc->result = 840 DID_SOFT_ERROR << 16; 841 printk(KERN_WARNING "Errata" 842 "on LSI53C1030 occurred." 843 "sc->req_bufflen=0x%02x," 844 "xfer_cnt=0x%02x\n", 845 scsi_bufflen(sc), 846 xfer_cnt); 847 } 848 } 849 } 850 851 if (xfer_cnt < sc->underflow) { 852 if (scsi_status == SAM_STAT_BUSY) 853 sc->result = SAM_STAT_BUSY; 854 else 855 sc->result = DID_SOFT_ERROR << 16; 856 } 857 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) { 858 /* What to do? 859 */ 860 sc->result = DID_SOFT_ERROR << 16; 861 } 862 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) { 863 /* Not real sure here either... */ 864 sc->result = DID_RESET << 16; 865 } 866 } 867 868 869 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 870 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n", 871 ioc->name, sc->underflow)); 872 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT 873 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt)); 874 875 /* Report Queue Full 876 */ 877 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL) 878 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); 879 880 break; 881 882 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */ 883 scsi_set_resid(sc, 0); 884 fallthrough; 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 */ 1008out: 1009 /* Unmap the DMA buffers, if any. */ 1010 scsi_dma_unmap(sc); 1011 1012 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 */ 1029void 1030mptscsih_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 scsi_done(sc); 1058 } 1059} 1060EXPORT_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 sdev_destroy. 1075 */ 1076static void 1077mptscsih_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 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 */ 1143static void 1144mptscsih_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:%llu) 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 */ 1171void 1172mptscsih_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 if (host == NULL) 1180 hd = NULL; 1181 else 1182 hd = shost_priv(host); 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 if (hd) 1199 kfree(hd->info_kbuf); 1200 1201 /* NULL the Scsi_Host pointer 1202 */ 1203 ioc->sh = NULL; 1204 1205 if (host) 1206 scsi_host_put(host); 1207 mpt_detach(pdev); 1208 1209} 1210 1211/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1212/* 1213 * mptscsih_shutdown - reboot notifier 1214 * 1215 */ 1216void 1217mptscsih_shutdown(struct pci_dev *pdev) 1218{ 1219} 1220 1221#ifdef CONFIG_PM 1222/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1223/* 1224 * mptscsih_suspend - Fusion MPT scsi driver suspend routine. 1225 * 1226 * 1227 */ 1228int 1229mptscsih_suspend(struct pci_dev *pdev, pm_message_t state) 1230{ 1231 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1232 1233 scsi_block_requests(ioc->sh); 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 */ 1244int 1245mptscsih_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 */ 1266const char * 1267mptscsih_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->info_kbuf == NULL) 1275 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL) 1276 return h->info_kbuf; 1277 h->info_kbuf[0] = '\0'; 1278 1279 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0); 1280 h->info_kbuf[size-1] = '\0'; 1281 1282 return h->info_kbuf; 1283} 1284 1285int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host) 1286{ 1287 MPT_SCSI_HOST *hd = shost_priv(host); 1288 MPT_ADAPTER *ioc = hd->ioc; 1289 1290 seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name); 1291 seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word); 1292 seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts); 1293 seq_printf(m, "MaxQ=%d\n", ioc->req_depth); 1294 1295 return 0; 1296} 1297 1298/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1299#define ADD_INDEX_LOG(req_ent) do { } while(0) 1300 1301/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1302/** 1303 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine. 1304 * @SCpnt: Pointer to scsi_cmnd structure 1305 * 1306 * (linux scsi_host_template.queuecommand routine) 1307 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest 1308 * from a linux scsi_cmnd request and send it to the IOC. 1309 * 1310 * Returns 0. (rtn value discarded by linux scsi mid-layer) 1311 */ 1312int 1313mptscsih_qcmd(struct scsi_cmnd *SCpnt) 1314{ 1315 MPT_SCSI_HOST *hd; 1316 MPT_FRAME_HDR *mf; 1317 SCSIIORequest_t *pScsiReq; 1318 VirtDevice *vdevice = SCpnt->device->hostdata; 1319 u32 datalen; 1320 u32 scsictl; 1321 u32 scsidir; 1322 u32 cmd_len; 1323 int my_idx; 1324 int ii; 1325 MPT_ADAPTER *ioc; 1326 1327 hd = shost_priv(SCpnt->device->host); 1328 ioc = hd->ioc; 1329 1330 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p\n", 1331 ioc->name, SCpnt)); 1332 1333 if (ioc->taskmgmt_quiesce_io) 1334 return SCSI_MLQUEUE_HOST_BUSY; 1335 1336 /* 1337 * Put together a MPT SCSI request... 1338 */ 1339 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) { 1340 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n", 1341 ioc->name)); 1342 return SCSI_MLQUEUE_HOST_BUSY; 1343 } 1344 1345 pScsiReq = (SCSIIORequest_t *) mf; 1346 1347 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 1348 1349 ADD_INDEX_LOG(my_idx); 1350 1351 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)! 1352 * Seems we may receive a buffer (datalen>0) even when there 1353 * will be no data transfer! GRRRRR... 1354 */ 1355 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) { 1356 datalen = scsi_bufflen(SCpnt); 1357 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */ 1358 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) { 1359 datalen = scsi_bufflen(SCpnt); 1360 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */ 1361 } else { 1362 datalen = 0; 1363 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER; 1364 } 1365 1366 /* Default to untagged. Once a target structure has been allocated, 1367 * use the Inquiry data to determine if device supports tagged. 1368 */ 1369 if ((vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) && 1370 SCpnt->device->tagged_supported) 1371 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ; 1372 else 1373 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED; 1374 1375 1376 /* Use the above information to set up the message frame 1377 */ 1378 pScsiReq->TargetID = (u8) vdevice->vtarget->id; 1379 pScsiReq->Bus = vdevice->vtarget->channel; 1380 pScsiReq->ChainOffset = 0; 1381 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 1382 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 1383 else 1384 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 1385 pScsiReq->CDBLength = SCpnt->cmd_len; 1386 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 1387 pScsiReq->Reserved = 0; 1388 pScsiReq->MsgFlags = mpt_msg_flags(ioc); 1389 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN); 1390 pScsiReq->Control = cpu_to_le32(scsictl); 1391 1392 /* 1393 * Write SCSI CDB into the message 1394 */ 1395 cmd_len = SCpnt->cmd_len; 1396 for (ii=0; ii < cmd_len; ii++) 1397 pScsiReq->CDB[ii] = SCpnt->cmnd[ii]; 1398 1399 for (ii=cmd_len; ii < 16; ii++) 1400 pScsiReq->CDB[ii] = 0; 1401 1402 /* DataLength */ 1403 pScsiReq->DataLength = cpu_to_le32(datalen); 1404 1405 /* SenseBuffer low address */ 1406 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma 1407 + (my_idx * MPT_SENSE_BUFFER_ALLOC)); 1408 1409 /* Now add the SG list 1410 * Always have a SGE even if null length. 1411 */ 1412 if (datalen == 0) { 1413 /* Add a NULL SGE */ 1414 ioc->add_sge((char *)&pScsiReq->SGL, 1415 MPT_SGE_FLAGS_SSIMPLE_READ | 0, 1416 (dma_addr_t) -1); 1417 } else { 1418 /* Add a 32 or 64 bit SGE */ 1419 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS) 1420 goto fail; 1421 } 1422 1423 SCpnt->host_scribble = (unsigned char *)mf; 1424 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt); 1425 1426 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); 1427 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n", 1428 ioc->name, SCpnt, mf, my_idx)); 1429 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf); 1430 return 0; 1431 1432 fail: 1433 mptscsih_freeChainBuffers(ioc, my_idx); 1434 mpt_free_msg_frame(ioc, mf); 1435 return SCSI_MLQUEUE_HOST_BUSY; 1436} 1437 1438/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1439/* 1440 * mptscsih_freeChainBuffers - Function to free chain buffers associated 1441 * with a SCSI IO request 1442 * @hd: Pointer to the MPT_SCSI_HOST instance 1443 * @req_idx: Index of the SCSI IO request frame. 1444 * 1445 * Called if SG chain buffer allocation fails and mptscsih callbacks. 1446 * No return. 1447 */ 1448static void 1449mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx) 1450{ 1451 MPT_FRAME_HDR *chain; 1452 unsigned long flags; 1453 int chain_idx; 1454 int next; 1455 1456 /* Get the first chain index and reset 1457 * tracker state. 1458 */ 1459 chain_idx = ioc->ReqToChain[req_idx]; 1460 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN; 1461 1462 while (chain_idx != MPT_HOST_NO_CHAIN) { 1463 1464 /* Save the next chain buffer index */ 1465 next = ioc->ChainToChain[chain_idx]; 1466 1467 /* Free this chain buffer and reset 1468 * tracker 1469 */ 1470 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN; 1471 1472 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer 1473 + (chain_idx * ioc->req_sz)); 1474 1475 spin_lock_irqsave(&ioc->FreeQlock, flags); 1476 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ); 1477 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 1478 1479 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n", 1480 ioc->name, chain_idx)); 1481 1482 /* handle next */ 1483 chain_idx = next; 1484 } 1485 return; 1486} 1487 1488/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1489/* 1490 * Reset Handling 1491 */ 1492 1493/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1494/** 1495 * mptscsih_IssueTaskMgmt - Generic send Task Management function. 1496 * @hd: Pointer to MPT_SCSI_HOST structure 1497 * @type: Task Management type 1498 * @channel: channel number for task management 1499 * @id: Logical Target ID for reset (if appropriate) 1500 * @lun: Logical Unit for reset (if appropriate) 1501 * @ctx2abort: Context for the task to be aborted (if appropriate) 1502 * @timeout: timeout for task management control 1503 * 1504 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer) 1505 * or a non-interrupt thread. In the former, must not call schedule(). 1506 * 1507 * Not all fields are meaningfull for all task types. 1508 * 1509 * Returns 0 for SUCCESS, or FAILED. 1510 * 1511 **/ 1512int 1513mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, u64 lun, 1514 int ctx2abort, ulong timeout) 1515{ 1516 MPT_FRAME_HDR *mf; 1517 SCSITaskMgmt_t *pScsiTm; 1518 int ii; 1519 int retval; 1520 MPT_ADAPTER *ioc = hd->ioc; 1521 u8 issue_hard_reset; 1522 u32 ioc_raw_state; 1523 unsigned long time_count; 1524 1525 issue_hard_reset = 0; 1526 ioc_raw_state = mpt_GetIocState(ioc, 0); 1527 1528 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) { 1529 printk(MYIOC_s_WARN_FMT 1530 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n", 1531 ioc->name, type, ioc_raw_state); 1532 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n", 1533 ioc->name, __func__); 1534 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0) 1535 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset " 1536 "FAILED!!\n", ioc->name); 1537 return 0; 1538 } 1539 1540 /* DOORBELL ACTIVE check is not required if 1541 * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported. 1542 */ 1543 1544 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) 1545 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) && 1546 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) { 1547 printk(MYIOC_s_WARN_FMT 1548 "TaskMgmt type=%x: ioc_state: " 1549 "DOORBELL_ACTIVE (0x%x)!\n", 1550 ioc->name, type, ioc_raw_state); 1551 return FAILED; 1552 } 1553 1554 mutex_lock(&ioc->taskmgmt_cmds.mutex); 1555 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) { 1556 mf = NULL; 1557 retval = FAILED; 1558 goto out; 1559 } 1560 1561 /* Return Fail to calling function if no message frames available. 1562 */ 1563 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) { 1564 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1565 "TaskMgmt no msg frames!!\n", ioc->name)); 1566 retval = FAILED; 1567 mpt_clear_taskmgmt_in_progress_flag(ioc); 1568 goto out; 1569 } 1570 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n", 1571 ioc->name, mf)); 1572 1573 /* Format the Request 1574 */ 1575 pScsiTm = (SCSITaskMgmt_t *) mf; 1576 pScsiTm->TargetID = id; 1577 pScsiTm->Bus = channel; 1578 pScsiTm->ChainOffset = 0; 1579 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 1580 1581 pScsiTm->Reserved = 0; 1582 pScsiTm->TaskType = type; 1583 pScsiTm->Reserved1 = 0; 1584 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) 1585 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0; 1586 1587 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN); 1588 1589 for (ii=0; ii < 7; ii++) 1590 pScsiTm->Reserved2[ii] = 0; 1591 1592 pScsiTm->TaskMsgContext = ctx2abort; 1593 1594 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) " 1595 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort, 1596 type, timeout)); 1597 1598 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm); 1599 1600 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status) 1601 time_count = jiffies; 1602 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && 1603 (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) 1604 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf); 1605 else { 1606 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc, 1607 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP); 1608 if (retval) { 1609 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1610 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n", 1611 ioc->name, mf, retval)); 1612 mpt_free_msg_frame(ioc, mf); 1613 mpt_clear_taskmgmt_in_progress_flag(ioc); 1614 goto out; 1615 } 1616 } 1617 1618 wait_for_completion_timeout(&ioc->taskmgmt_cmds.done, 1619 timeout*HZ); 1620 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 1621 retval = FAILED; 1622 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT 1623 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf)); 1624 mpt_clear_taskmgmt_in_progress_flag(ioc); 1625 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) 1626 goto out; 1627 issue_hard_reset = 1; 1628 goto out; 1629 } 1630 1631 retval = mptscsih_taskmgmt_reply(ioc, type, 1632 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply); 1633 1634 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1635 "TaskMgmt completed (%d seconds)\n", 1636 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000)); 1637 1638 out: 1639 1640 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status) 1641 if (issue_hard_reset) { 1642 printk(MYIOC_s_WARN_FMT 1643 "Issuing Reset from %s!! doorbell=0x%08x\n", 1644 ioc->name, __func__, mpt_GetIocState(ioc, 0)); 1645 retval = (ioc->bus_type == SAS) ? 1646 mpt_HardResetHandler(ioc, CAN_SLEEP) : 1647 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 1648 mpt_free_msg_frame(ioc, mf); 1649 } 1650 1651 retval = (retval == 0) ? 0 : FAILED; 1652 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 1653 return retval; 1654} 1655EXPORT_SYMBOL(mptscsih_IssueTaskMgmt); 1656 1657static int 1658mptscsih_get_tm_timeout(MPT_ADAPTER *ioc) 1659{ 1660 switch (ioc->bus_type) { 1661 case FC: 1662 return 40; 1663 case SAS: 1664 return 30; 1665 case SPI: 1666 default: 1667 return 10; 1668 } 1669} 1670 1671/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1672/** 1673 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant 1674 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted 1675 * 1676 * (linux scsi_host_template.eh_abort_handler routine) 1677 * 1678 * Returns SUCCESS or FAILED. 1679 **/ 1680int 1681mptscsih_abort(struct scsi_cmnd * SCpnt) 1682{ 1683 MPT_SCSI_HOST *hd; 1684 MPT_FRAME_HDR *mf; 1685 u32 ctx2abort; 1686 int scpnt_idx; 1687 int retval; 1688 VirtDevice *vdevice; 1689 MPT_ADAPTER *ioc; 1690 1691 /* If we can't locate our host adapter structure, return FAILED status. 1692 */ 1693 if ((hd = shost_priv(SCpnt->device->host)) == NULL) { 1694 SCpnt->result = DID_RESET << 16; 1695 scsi_done(SCpnt); 1696 printk(KERN_ERR MYNAM ": task abort: " 1697 "can't locate host! (sc=%p)\n", SCpnt); 1698 return FAILED; 1699 } 1700 1701 ioc = hd->ioc; 1702 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n", 1703 ioc->name, SCpnt); 1704 scsi_print_command(SCpnt); 1705 1706 vdevice = SCpnt->device->hostdata; 1707 if (!vdevice || !vdevice->vtarget) { 1708 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1709 "task abort: device has been deleted (sc=%p)\n", 1710 ioc->name, SCpnt)); 1711 SCpnt->result = DID_NO_CONNECT << 16; 1712 scsi_done(SCpnt); 1713 retval = SUCCESS; 1714 goto out; 1715 } 1716 1717 /* Task aborts are not supported for hidden raid components. 1718 */ 1719 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) { 1720 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1721 "task abort: hidden raid component (sc=%p)\n", 1722 ioc->name, SCpnt)); 1723 SCpnt->result = DID_RESET << 16; 1724 retval = FAILED; 1725 goto out; 1726 } 1727 1728 /* Task aborts are not supported for volumes. 1729 */ 1730 if (vdevice->vtarget->raidVolume) { 1731 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1732 "task abort: raid volume (sc=%p)\n", 1733 ioc->name, SCpnt)); 1734 SCpnt->result = DID_RESET << 16; 1735 retval = FAILED; 1736 goto out; 1737 } 1738 1739 /* Find this command 1740 */ 1741 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) { 1742 /* Cmd not found in ScsiLookup. 1743 * Do OS callback. 1744 */ 1745 SCpnt->result = DID_RESET << 16; 1746 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: " 1747 "Command not in the active list! (sc=%p)\n", ioc->name, 1748 SCpnt)); 1749 retval = SUCCESS; 1750 goto out; 1751 } 1752 1753 if (ioc->timeouts < -1) 1754 ioc->timeouts++; 1755 1756 if (mpt_fwfault_debug) 1757 mpt_halt_firmware(ioc); 1758 1759 /* Most important! Set TaskMsgContext to SCpnt's MsgContext! 1760 * (the IO to be ABORT'd) 1761 * 1762 * NOTE: Since we do not byteswap MsgContext, we do not 1763 * swap it here either. It is an opaque cookie to 1764 * the controller, so it does not matter. -DaveM 1765 */ 1766 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx); 1767 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext; 1768 retval = mptscsih_IssueTaskMgmt(hd, 1769 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, 1770 vdevice->vtarget->channel, 1771 vdevice->vtarget->id, vdevice->lun, 1772 ctx2abort, mptscsih_get_tm_timeout(ioc)); 1773 1774 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) { 1775 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1776 "task abort: command still in active list! (sc=%p)\n", 1777 ioc->name, SCpnt)); 1778 retval = FAILED; 1779 } else { 1780 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1781 "task abort: command cleared from active list! (sc=%p)\n", 1782 ioc->name, SCpnt)); 1783 retval = SUCCESS; 1784 } 1785 1786 out: 1787 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n", 1788 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval, 1789 SCpnt); 1790 1791 return retval; 1792} 1793 1794/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1795/** 1796 * mptscsih_dev_reset - Perform a SCSI LOGICAL_UNIT_RESET! 1797 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1798 * 1799 * (linux scsi_host_template.eh_dev_reset_handler routine) 1800 * 1801 * Returns SUCCESS or FAILED. 1802 **/ 1803int 1804mptscsih_dev_reset(struct scsi_cmnd * SCpnt) 1805{ 1806 MPT_SCSI_HOST *hd; 1807 int retval; 1808 VirtDevice *vdevice; 1809 MPT_ADAPTER *ioc; 1810 1811 /* If we can't locate our host adapter structure, return FAILED status. 1812 */ 1813 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1814 printk(KERN_ERR MYNAM ": lun reset: " 1815 "Can't locate host! (sc=%p)\n", SCpnt); 1816 return FAILED; 1817 } 1818 1819 ioc = hd->ioc; 1820 printk(MYIOC_s_INFO_FMT "attempting lun reset! (sc=%p)\n", 1821 ioc->name, SCpnt); 1822 scsi_print_command(SCpnt); 1823 1824 vdevice = SCpnt->device->hostdata; 1825 if (!vdevice || !vdevice->vtarget) { 1826 retval = 0; 1827 goto out; 1828 } 1829 1830 retval = mptscsih_IssueTaskMgmt(hd, 1831 MPI_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 1832 vdevice->vtarget->channel, 1833 vdevice->vtarget->id, vdevice->lun, 0, 1834 mptscsih_get_tm_timeout(ioc)); 1835 1836 out: 1837 printk (MYIOC_s_INFO_FMT "lun reset: %s (sc=%p)\n", 1838 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1839 1840 if (retval == 0) 1841 return SUCCESS; 1842 else 1843 return FAILED; 1844} 1845 1846 1847/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1848/** 1849 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant 1850 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1851 * 1852 * (linux scsi_host_template.eh_bus_reset_handler routine) 1853 * 1854 * Returns SUCCESS or FAILED. 1855 **/ 1856int 1857mptscsih_bus_reset(struct scsi_cmnd * SCpnt) 1858{ 1859 MPT_SCSI_HOST *hd; 1860 int retval; 1861 VirtDevice *vdevice; 1862 MPT_ADAPTER *ioc; 1863 1864 /* If we can't locate our host adapter structure, return FAILED status. 1865 */ 1866 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1867 printk(KERN_ERR MYNAM ": bus reset: " 1868 "Can't locate host! (sc=%p)\n", SCpnt); 1869 return FAILED; 1870 } 1871 1872 ioc = hd->ioc; 1873 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n", 1874 ioc->name, SCpnt); 1875 scsi_print_command(SCpnt); 1876 1877 if (ioc->timeouts < -1) 1878 ioc->timeouts++; 1879 1880 vdevice = SCpnt->device->hostdata; 1881 if (!vdevice || !vdevice->vtarget) 1882 return SUCCESS; 1883 retval = mptscsih_IssueTaskMgmt(hd, 1884 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, 1885 vdevice->vtarget->channel, 0, 0, 0, 1886 mptscsih_get_tm_timeout(ioc)); 1887 1888 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n", 1889 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1890 1891 if (retval == 0) 1892 return SUCCESS; 1893 else 1894 return FAILED; 1895} 1896 1897/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1898/** 1899 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant) 1900 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to 1901 * 1902 * (linux scsi_host_template.eh_host_reset_handler routine) 1903 * 1904 * Returns SUCCESS or FAILED. 1905 */ 1906int 1907mptscsih_host_reset(struct scsi_cmnd *SCpnt) 1908{ 1909 MPT_SCSI_HOST * hd; 1910 int status = SUCCESS; 1911 MPT_ADAPTER *ioc; 1912 int retval; 1913 1914 /* If we can't locate the host to reset, then we failed. */ 1915 if ((hd = shost_priv(SCpnt->device->host)) == NULL){ 1916 printk(KERN_ERR MYNAM ": host reset: " 1917 "Can't locate host! (sc=%p)\n", SCpnt); 1918 return FAILED; 1919 } 1920 1921 /* make sure we have no outstanding commands at this stage */ 1922 mptscsih_flush_running_cmds(hd); 1923 1924 ioc = hd->ioc; 1925 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n", 1926 ioc->name, SCpnt); 1927 1928 /* If our attempts to reset the host failed, then return a failed 1929 * status. The host will be taken off line by the SCSI mid-layer. 1930 */ 1931 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 1932 if (retval < 0) 1933 status = FAILED; 1934 else 1935 status = SUCCESS; 1936 1937 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n", 1938 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); 1939 1940 return status; 1941} 1942 1943static int 1944mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type, 1945 SCSITaskMgmtReply_t *pScsiTmReply) 1946{ 1947 u16 iocstatus; 1948 u32 termination_count; 1949 int retval; 1950 1951 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { 1952 retval = FAILED; 1953 goto out; 1954 } 1955 1956 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply); 1957 1958 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK; 1959 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount); 1960 1961 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1962 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n" 1963 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n" 1964 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus, 1965 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus), 1966 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode, 1967 termination_count)); 1968 1969 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 && 1970 pScsiTmReply->ResponseCode) 1971 mptscsih_taskmgmt_response_code(ioc, 1972 pScsiTmReply->ResponseCode); 1973 1974 if (iocstatus == MPI_IOCSTATUS_SUCCESS) { 1975 retval = 0; 1976 goto out; 1977 } 1978 1979 retval = FAILED; 1980 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) { 1981 if (termination_count == 1) 1982 retval = 0; 1983 goto out; 1984 } 1985 1986 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED || 1987 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED) 1988 retval = 0; 1989 1990 out: 1991 return retval; 1992} 1993 1994/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1995void 1996mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code) 1997{ 1998 char *desc; 1999 2000 switch (response_code) { 2001 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE: 2002 desc = "The task completed."; 2003 break; 2004 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME: 2005 desc = "The IOC received an invalid frame status."; 2006 break; 2007 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: 2008 desc = "The task type is not supported."; 2009 break; 2010 case MPI_SCSITASKMGMT_RSP_TM_FAILED: 2011 desc = "The requested task failed."; 2012 break; 2013 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED: 2014 desc = "The task completed successfully."; 2015 break; 2016 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN: 2017 desc = "The LUN request is invalid."; 2018 break; 2019 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: 2020 desc = "The task is in the IOC queue and has not been sent to target."; 2021 break; 2022 default: 2023 desc = "unknown"; 2024 break; 2025 } 2026 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n", 2027 ioc->name, response_code, desc); 2028} 2029EXPORT_SYMBOL(mptscsih_taskmgmt_response_code); 2030 2031/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2032/** 2033 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver 2034 * @ioc: Pointer to MPT_ADAPTER structure 2035 * @mf: Pointer to SCSI task mgmt request frame 2036 * @mr: Pointer to SCSI task mgmt reply frame 2037 * 2038 * This routine is called from mptbase.c::mpt_interrupt() at the completion 2039 * of any SCSI task management request. 2040 * This routine is registered with the MPT (base) driver at driver 2041 * load/init time via the mpt_register() API call. 2042 * 2043 * Returns 1 indicating alloc'd request frame ptr should be freed. 2044 **/ 2045int 2046mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, 2047 MPT_FRAME_HDR *mr) 2048{ 2049 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2050 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr)); 2051 2052 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 2053 2054 if (!mr) 2055 goto out; 2056 2057 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID; 2058 memcpy(ioc->taskmgmt_cmds.reply, mr, 2059 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength)); 2060 out: 2061 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) { 2062 mpt_clear_taskmgmt_in_progress_flag(ioc); 2063 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 2064 complete(&ioc->taskmgmt_cmds.done); 2065 if (ioc->bus_type == SAS) 2066 ioc->schedule_target_reset(ioc); 2067 return 1; 2068 } 2069 return 0; 2070} 2071 2072/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2073/* 2074 * This is anyones guess quite frankly. 2075 */ 2076int 2077mptscsih_bios_param(struct scsi_device * sdev, struct gendisk *unused, 2078 sector_t capacity, int geom[]) 2079{ 2080 int heads; 2081 int sectors; 2082 sector_t cylinders; 2083 ulong dummy; 2084 2085 heads = 64; 2086 sectors = 32; 2087 2088 dummy = heads * sectors; 2089 cylinders = capacity; 2090 sector_div(cylinders,dummy); 2091 2092 /* 2093 * Handle extended translation size for logical drives 2094 * > 1Gb 2095 */ 2096 if ((ulong)capacity >= 0x200000) { 2097 heads = 255; 2098 sectors = 63; 2099 dummy = heads * sectors; 2100 cylinders = capacity; 2101 sector_div(cylinders,dummy); 2102 } 2103 2104 /* return result */ 2105 geom[0] = heads; 2106 geom[1] = sectors; 2107 geom[2] = cylinders; 2108 2109 return 0; 2110} 2111 2112/* Search IOC page 3 to determine if this is hidden physical disk 2113 * 2114 */ 2115int 2116mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id) 2117{ 2118 struct inactive_raid_component_info *component_info; 2119 int i, j; 2120 RaidPhysDiskPage1_t *phys_disk; 2121 int rc = 0; 2122 int num_paths; 2123 2124 if (!ioc->raid_data.pIocPg3) 2125 goto out; 2126 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2127 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) && 2128 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) { 2129 rc = 1; 2130 goto out; 2131 } 2132 } 2133 2134 if (ioc->bus_type != SAS) 2135 goto out; 2136 2137 /* 2138 * Check if dual path 2139 */ 2140 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2141 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, 2142 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum); 2143 if (num_paths < 2) 2144 continue; 2145 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) + 2146 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL); 2147 if (!phys_disk) 2148 continue; 2149 if ((mpt_raid_phys_disk_pg1(ioc, 2150 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum, 2151 phys_disk))) { 2152 kfree(phys_disk); 2153 continue; 2154 } 2155 for (j = 0; j < num_paths; j++) { 2156 if ((phys_disk->Path[j].Flags & 2157 MPI_RAID_PHYSDISK1_FLAG_INVALID)) 2158 continue; 2159 if ((phys_disk->Path[j].Flags & 2160 MPI_RAID_PHYSDISK1_FLAG_BROKEN)) 2161 continue; 2162 if ((id == phys_disk->Path[j].PhysDiskID) && 2163 (channel == phys_disk->Path[j].PhysDiskBus)) { 2164 rc = 1; 2165 kfree(phys_disk); 2166 goto out; 2167 } 2168 } 2169 kfree(phys_disk); 2170 } 2171 2172 2173 /* 2174 * Check inactive list for matching phys disks 2175 */ 2176 if (list_empty(&ioc->raid_data.inactive_list)) 2177 goto out; 2178 2179 mutex_lock(&ioc->raid_data.inactive_list_mutex); 2180 list_for_each_entry(component_info, &ioc->raid_data.inactive_list, 2181 list) { 2182 if ((component_info->d.PhysDiskID == id) && 2183 (component_info->d.PhysDiskBus == channel)) 2184 rc = 1; 2185 } 2186 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 2187 2188 out: 2189 return rc; 2190} 2191EXPORT_SYMBOL(mptscsih_is_phys_disk); 2192 2193u8 2194mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id) 2195{ 2196 struct inactive_raid_component_info *component_info; 2197 int i, j; 2198 RaidPhysDiskPage1_t *phys_disk; 2199 int rc = -ENXIO; 2200 int num_paths; 2201 2202 if (!ioc->raid_data.pIocPg3) 2203 goto out; 2204 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2205 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) && 2206 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) { 2207 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum; 2208 goto out; 2209 } 2210 } 2211 2212 if (ioc->bus_type != SAS) 2213 goto out; 2214 2215 /* 2216 * Check if dual path 2217 */ 2218 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { 2219 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, 2220 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum); 2221 if (num_paths < 2) 2222 continue; 2223 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) + 2224 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL); 2225 if (!phys_disk) 2226 continue; 2227 if ((mpt_raid_phys_disk_pg1(ioc, 2228 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum, 2229 phys_disk))) { 2230 kfree(phys_disk); 2231 continue; 2232 } 2233 for (j = 0; j < num_paths; j++) { 2234 if ((phys_disk->Path[j].Flags & 2235 MPI_RAID_PHYSDISK1_FLAG_INVALID)) 2236 continue; 2237 if ((phys_disk->Path[j].Flags & 2238 MPI_RAID_PHYSDISK1_FLAG_BROKEN)) 2239 continue; 2240 if ((id == phys_disk->Path[j].PhysDiskID) && 2241 (channel == phys_disk->Path[j].PhysDiskBus)) { 2242 rc = phys_disk->PhysDiskNum; 2243 kfree(phys_disk); 2244 goto out; 2245 } 2246 } 2247 kfree(phys_disk); 2248 } 2249 2250 /* 2251 * Check inactive list for matching phys disks 2252 */ 2253 if (list_empty(&ioc->raid_data.inactive_list)) 2254 goto out; 2255 2256 mutex_lock(&ioc->raid_data.inactive_list_mutex); 2257 list_for_each_entry(component_info, &ioc->raid_data.inactive_list, 2258 list) { 2259 if ((component_info->d.PhysDiskID == id) && 2260 (component_info->d.PhysDiskBus == channel)) 2261 rc = component_info->d.PhysDiskNum; 2262 } 2263 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 2264 2265 out: 2266 return rc; 2267} 2268EXPORT_SYMBOL(mptscsih_raid_id_to_num); 2269 2270/* 2271 * OS entry point to allow for host driver to free allocated memory 2272 * Called if no device present or device being unloaded 2273 */ 2274void 2275mptscsih_sdev_destroy(struct scsi_device *sdev) 2276{ 2277 struct Scsi_Host *host = sdev->host; 2278 MPT_SCSI_HOST *hd = shost_priv(host); 2279 VirtTarget *vtarget; 2280 VirtDevice *vdevice; 2281 struct scsi_target *starget; 2282 2283 starget = scsi_target(sdev); 2284 vtarget = starget->hostdata; 2285 vdevice = sdev->hostdata; 2286 if (!vdevice) 2287 return; 2288 2289 mptscsih_search_running_cmds(hd, vdevice); 2290 vtarget->num_luns--; 2291 mptscsih_synchronize_cache(hd, vdevice); 2292 kfree(vdevice); 2293 sdev->hostdata = NULL; 2294} 2295 2296/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2297/* 2298 * mptscsih_change_queue_depth - This function will set a devices queue depth 2299 * @sdev: per scsi_device pointer 2300 * @qdepth: requested queue depth 2301 * 2302 * Adding support for new 'change_queue_depth' api. 2303*/ 2304int 2305mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth) 2306{ 2307 MPT_SCSI_HOST *hd = shost_priv(sdev->host); 2308 VirtTarget *vtarget; 2309 struct scsi_target *starget; 2310 int max_depth; 2311 MPT_ADAPTER *ioc = hd->ioc; 2312 2313 starget = scsi_target(sdev); 2314 vtarget = starget->hostdata; 2315 2316 if (ioc->bus_type == SPI) { 2317 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)) 2318 max_depth = 1; 2319 else if (sdev->type == TYPE_DISK && 2320 vtarget->minSyncFactor <= MPT_ULTRA160) 2321 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH; 2322 else 2323 max_depth = MPT_SCSI_CMD_PER_DEV_LOW; 2324 } else 2325 max_depth = ioc->sh->can_queue; 2326 2327 if (!sdev->tagged_supported) 2328 max_depth = 1; 2329 2330 if (qdepth > max_depth) 2331 qdepth = max_depth; 2332 2333 return scsi_change_queue_depth(sdev, qdepth); 2334} 2335 2336/* 2337 * OS entry point to adjust the queue_depths on a per-device basis. 2338 * Called once per device the bus scan. Use it to force the queue_depth 2339 * member to 1 if a device does not support Q tags. 2340 * Return non-zero if fails. 2341 */ 2342int 2343mptscsih_sdev_configure(struct scsi_device *sdev, struct queue_limits *lim) 2344{ 2345 struct Scsi_Host *sh = sdev->host; 2346 VirtTarget *vtarget; 2347 VirtDevice *vdevice; 2348 struct scsi_target *starget; 2349 MPT_SCSI_HOST *hd = shost_priv(sh); 2350 MPT_ADAPTER *ioc = hd->ioc; 2351 2352 starget = scsi_target(sdev); 2353 vtarget = starget->hostdata; 2354 vdevice = sdev->hostdata; 2355 2356 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2357 "device @ %p, channel=%d, id=%d, lun=%llu\n", 2358 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun)); 2359 if (ioc->bus_type == SPI) 2360 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2361 "sdtr %d wdtr %d ppr %d inq length=%d\n", 2362 ioc->name, sdev->sdtr, sdev->wdtr, 2363 sdev->ppr, sdev->inquiry_len)); 2364 2365 vdevice->configured_lun = 1; 2366 2367 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2368 "Queue depth=%d, tflags=%x\n", 2369 ioc->name, sdev->queue_depth, vtarget->tflags)); 2370 2371 if (ioc->bus_type == SPI) 2372 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2373 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n", 2374 ioc->name, vtarget->negoFlags, vtarget->maxOffset, 2375 vtarget->minSyncFactor)); 2376 2377 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH); 2378 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2379 "tagged %d, simple %d\n", 2380 ioc->name,sdev->tagged_supported, sdev->simple_tags)); 2381 2382 return 0; 2383} 2384 2385/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2386/* 2387 * Private routines... 2388 */ 2389 2390/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2391/* Utility function to copy sense data from the scsi_cmnd buffer 2392 * to the FC and SCSI target structures. 2393 * 2394 */ 2395static void 2396mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply) 2397{ 2398 VirtDevice *vdevice; 2399 SCSIIORequest_t *pReq; 2400 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount); 2401 MPT_ADAPTER *ioc = hd->ioc; 2402 2403 /* Get target structure 2404 */ 2405 pReq = (SCSIIORequest_t *) mf; 2406 vdevice = sc->device->hostdata; 2407 2408 if (sense_count) { 2409 u8 *sense_data; 2410 int req_index; 2411 2412 /* Copy the sense received into the scsi command block. */ 2413 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 2414 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC)); 2415 memcpy(sc->sense_buffer, sense_data, MPT_SENSE_BUFFER_ALLOC); 2416 2417 /* Log SMART data (asc = 0x5D, non-IM case only) if required. 2418 */ 2419 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) { 2420 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) { 2421 int idx; 2422 2423 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE; 2424 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE; 2425 ioc->events[idx].eventContext = ioc->eventContext; 2426 2427 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) | 2428 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) | 2429 (sc->device->channel << 8) | sc->device->id; 2430 2431 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12]; 2432 2433 ioc->eventContext++; 2434 if (ioc->pcidev->vendor == 2435 PCI_VENDOR_ID_IBM) { 2436 mptscsih_issue_sep_command(ioc, 2437 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); 2438 vdevice->vtarget->tflags |= 2439 MPT_TARGET_FLAGS_LED_ON; 2440 } 2441 } 2442 } 2443 } else { 2444 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n", 2445 ioc->name)); 2446 } 2447} 2448 2449/** 2450 * mptscsih_get_scsi_lookup - retrieves scmd entry 2451 * @ioc: Pointer to MPT_ADAPTER structure 2452 * @i: index into the array 2453 * 2454 * Returns the scsi_cmd pointer 2455 */ 2456struct scsi_cmnd * 2457mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i) 2458{ 2459 unsigned long flags; 2460 struct scsi_cmnd *scmd; 2461 2462 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2463 scmd = ioc->ScsiLookup[i]; 2464 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2465 2466 return scmd; 2467} 2468EXPORT_SYMBOL(mptscsih_get_scsi_lookup); 2469 2470/** 2471 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list 2472 * @ioc: Pointer to MPT_ADAPTER structure 2473 * @i: index into the array 2474 * 2475 * Returns the scsi_cmd pointer 2476 * 2477 **/ 2478static struct scsi_cmnd * 2479mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i) 2480{ 2481 unsigned long flags; 2482 struct scsi_cmnd *scmd; 2483 2484 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2485 scmd = ioc->ScsiLookup[i]; 2486 ioc->ScsiLookup[i] = NULL; 2487 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2488 2489 return scmd; 2490} 2491 2492/** 2493 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list 2494 * 2495 * @ioc: Pointer to MPT_ADAPTER structure 2496 * @i: index into the array 2497 * @scmd: scsi_cmnd pointer 2498 * 2499 **/ 2500static void 2501mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd) 2502{ 2503 unsigned long flags; 2504 2505 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2506 ioc->ScsiLookup[i] = scmd; 2507 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2508} 2509 2510/** 2511 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list 2512 * @ioc: Pointer to MPT_ADAPTER structure 2513 * @sc: scsi_cmnd pointer 2514 */ 2515static int 2516SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc) 2517{ 2518 unsigned long flags; 2519 int i, index=-1; 2520 2521 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); 2522 for (i = 0; i < ioc->req_depth; i++) { 2523 if (ioc->ScsiLookup[i] == sc) { 2524 index = i; 2525 goto out; 2526 } 2527 } 2528 2529 out: 2530 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); 2531 return index; 2532} 2533 2534/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2535int 2536mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) 2537{ 2538 MPT_SCSI_HOST *hd; 2539 2540 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL) 2541 return 0; 2542 2543 hd = shost_priv(ioc->sh); 2544 switch (reset_phase) { 2545 case MPT_IOC_SETUP_RESET: 2546 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2547 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__)); 2548 break; 2549 case MPT_IOC_PRE_RESET: 2550 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2551 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__)); 2552 mptscsih_flush_running_cmds(hd); 2553 break; 2554 case MPT_IOC_POST_RESET: 2555 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2556 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__)); 2557 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) { 2558 ioc->internal_cmds.status |= 2559 MPT_MGMT_STATUS_DID_IOCRESET; 2560 complete(&ioc->internal_cmds.done); 2561 } 2562 break; 2563 default: 2564 break; 2565 } 2566 return 1; /* currently means nothing really */ 2567} 2568 2569/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2570int 2571mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) 2572{ 2573 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; 2574 2575 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2576 "MPT event (=%02Xh) routed to SCSI host driver!\n", 2577 ioc->name, event)); 2578 2579 if ((event == MPI_EVENT_IOC_BUS_RESET || 2580 event == MPI_EVENT_EXT_BUS_RESET) && 2581 (ioc->bus_type == SPI) && (ioc->soft_resets < -1)) 2582 ioc->soft_resets++; 2583 2584 return 1; /* currently means nothing really */ 2585} 2586 2587/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2588/* 2589 * Bus Scan and Domain Validation functionality ... 2590 */ 2591 2592/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2593/* 2594 * mptscsih_scandv_complete - Scan and DV callback routine registered 2595 * to Fustion MPT (base) driver. 2596 * 2597 * @ioc: Pointer to MPT_ADAPTER structure 2598 * @mf: Pointer to original MPT request frame 2599 * @mr: Pointer to MPT reply frame (NULL if TurboReply) 2600 * 2601 * This routine is called from mpt.c::mpt_interrupt() at the completion 2602 * of any SCSI IO request. 2603 * This routine is registered with the Fusion MPT (base) driver at driver 2604 * load/init time via the mpt_register() API call. 2605 * 2606 * Returns 1 indicating alloc'd request frame ptr should be freed. 2607 * 2608 * Remark: Sets a completion code and (possibly) saves sense data 2609 * in the IOC member localReply structure. 2610 * Used ONLY for DV and other internal commands. 2611 */ 2612int 2613mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, 2614 MPT_FRAME_HDR *reply) 2615{ 2616 SCSIIORequest_t *pReq; 2617 SCSIIOReply_t *pReply; 2618 u8 cmd; 2619 u16 req_idx; 2620 u8 *sense_data; 2621 int sz; 2622 2623 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 2624 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD; 2625 if (!reply) 2626 goto out; 2627 2628 pReply = (SCSIIOReply_t *) reply; 2629 pReq = (SCSIIORequest_t *) req; 2630 ioc->internal_cmds.completion_code = 2631 mptscsih_get_completion_code(ioc, req, reply); 2632 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID; 2633 memcpy(ioc->internal_cmds.reply, reply, 2634 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength)); 2635 cmd = reply->u.hdr.Function; 2636 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) || 2637 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) && 2638 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) { 2639 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx); 2640 sense_data = ((u8 *)ioc->sense_buf_pool + 2641 (req_idx * MPT_SENSE_BUFFER_ALLOC)); 2642 sz = min_t(int, pReq->SenseBufferLength, 2643 MPT_SENSE_BUFFER_ALLOC); 2644 memcpy(ioc->internal_cmds.sense, sense_data, sz); 2645 } 2646 out: 2647 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING)) 2648 return 0; 2649 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 2650 complete(&ioc->internal_cmds.done); 2651 return 1; 2652} 2653 2654 2655/** 2656 * mptscsih_get_completion_code - get completion code from MPT request 2657 * @ioc: Pointer to MPT_ADAPTER structure 2658 * @req: Pointer to original MPT request frame 2659 * @reply: Pointer to MPT reply frame (NULL if TurboReply) 2660 * 2661 **/ 2662static int 2663mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, 2664 MPT_FRAME_HDR *reply) 2665{ 2666 SCSIIOReply_t *pReply; 2667 MpiRaidActionReply_t *pr; 2668 u8 scsi_status; 2669 u16 status; 2670 int completion_code; 2671 2672 pReply = (SCSIIOReply_t *)reply; 2673 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK; 2674 scsi_status = pReply->SCSIStatus; 2675 2676 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2677 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh," 2678 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState, 2679 scsi_status, le32_to_cpu(pReply->IOCLogInfo))); 2680 2681 switch (status) { 2682 2683 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ 2684 completion_code = MPT_SCANDV_SELECTION_TIMEOUT; 2685 break; 2686 2687 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ 2688 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ 2689 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ 2690 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ 2691 completion_code = MPT_SCANDV_DID_RESET; 2692 break; 2693 2694 case MPI_IOCSTATUS_BUSY: 2695 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: 2696 completion_code = MPT_SCANDV_BUSY; 2697 break; 2698 2699 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ 2700 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ 2701 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ 2702 if (pReply->Function == MPI_FUNCTION_CONFIG) { 2703 completion_code = MPT_SCANDV_GOOD; 2704 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) { 2705 pr = (MpiRaidActionReply_t *)reply; 2706 if (le16_to_cpu(pr->ActionStatus) == 2707 MPI_RAID_ACTION_ASTATUS_SUCCESS) 2708 completion_code = MPT_SCANDV_GOOD; 2709 else 2710 completion_code = MPT_SCANDV_SOME_ERROR; 2711 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) 2712 completion_code = MPT_SCANDV_SENSE; 2713 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) { 2714 if (req->u.scsireq.CDB[0] == INQUIRY) 2715 completion_code = MPT_SCANDV_ISSUE_SENSE; 2716 else 2717 completion_code = MPT_SCANDV_DID_RESET; 2718 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS) 2719 completion_code = MPT_SCANDV_DID_RESET; 2720 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) 2721 completion_code = MPT_SCANDV_DID_RESET; 2722 else if (scsi_status == MPI_SCSI_STATUS_BUSY) 2723 completion_code = MPT_SCANDV_BUSY; 2724 else 2725 completion_code = MPT_SCANDV_GOOD; 2726 break; 2727 2728 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ 2729 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) 2730 completion_code = MPT_SCANDV_DID_RESET; 2731 else 2732 completion_code = MPT_SCANDV_SOME_ERROR; 2733 break; 2734 default: 2735 completion_code = MPT_SCANDV_SOME_ERROR; 2736 break; 2737 2738 } /* switch(status) */ 2739 2740 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2741 " completionCode set to %08xh\n", ioc->name, completion_code)); 2742 return completion_code; 2743} 2744 2745/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2746/** 2747 * mptscsih_do_cmd - Do internal command. 2748 * @hd: MPT_SCSI_HOST pointer 2749 * @io: INTERNAL_CMD pointer. 2750 * 2751 * Issue the specified internally generated command and do command 2752 * specific cleanup. For bus scan / DV only. 2753 * NOTES: If command is Inquiry and status is good, 2754 * initialize a target structure, save the data 2755 * 2756 * Remark: Single threaded access only. 2757 * 2758 * Return: 2759 * < 0 if an illegal command or no resources 2760 * 2761 * 0 if good 2762 * 2763 * > 0 if command complete but some type of completion error. 2764 */ 2765static int 2766mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io) 2767{ 2768 MPT_FRAME_HDR *mf; 2769 SCSIIORequest_t *pScsiReq; 2770 int my_idx, ii, dir; 2771 int timeout; 2772 char cmdLen; 2773 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; 2774 u8 cmd = io->cmd; 2775 MPT_ADAPTER *ioc = hd->ioc; 2776 int ret = 0; 2777 unsigned long timeleft; 2778 unsigned long flags; 2779 2780 /* don't send internal command during diag reset */ 2781 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 2782 if (ioc->ioc_reset_in_progress) { 2783 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 2784 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2785 "%s: busy with host reset\n", ioc->name, __func__)); 2786 return MPT_SCANDV_BUSY; 2787 } 2788 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 2789 2790 mutex_lock(&ioc->internal_cmds.mutex); 2791 2792 /* Set command specific information 2793 */ 2794 switch (cmd) { 2795 case INQUIRY: 2796 cmdLen = 6; 2797 dir = MPI_SCSIIO_CONTROL_READ; 2798 CDB[0] = cmd; 2799 CDB[4] = io->size; 2800 timeout = 10; 2801 break; 2802 2803 case TEST_UNIT_READY: 2804 cmdLen = 6; 2805 dir = MPI_SCSIIO_CONTROL_READ; 2806 timeout = 10; 2807 break; 2808 2809 case START_STOP: 2810 cmdLen = 6; 2811 dir = MPI_SCSIIO_CONTROL_READ; 2812 CDB[0] = cmd; 2813 CDB[4] = 1; /*Spin up the disk */ 2814 timeout = 15; 2815 break; 2816 2817 case REQUEST_SENSE: 2818 cmdLen = 6; 2819 CDB[0] = cmd; 2820 CDB[4] = io->size; 2821 dir = MPI_SCSIIO_CONTROL_READ; 2822 timeout = 10; 2823 break; 2824 2825 case READ_BUFFER: 2826 cmdLen = 10; 2827 dir = MPI_SCSIIO_CONTROL_READ; 2828 CDB[0] = cmd; 2829 if (io->flags & MPT_ICFLAG_ECHO) { 2830 CDB[1] = 0x0A; 2831 } else { 2832 CDB[1] = 0x02; 2833 } 2834 2835 if (io->flags & MPT_ICFLAG_BUF_CAP) { 2836 CDB[1] |= 0x01; 2837 } 2838 CDB[6] = (io->size >> 16) & 0xFF; 2839 CDB[7] = (io->size >> 8) & 0xFF; 2840 CDB[8] = io->size & 0xFF; 2841 timeout = 10; 2842 break; 2843 2844 case WRITE_BUFFER: 2845 cmdLen = 10; 2846 dir = MPI_SCSIIO_CONTROL_WRITE; 2847 CDB[0] = cmd; 2848 if (io->flags & MPT_ICFLAG_ECHO) { 2849 CDB[1] = 0x0A; 2850 } else { 2851 CDB[1] = 0x02; 2852 } 2853 CDB[6] = (io->size >> 16) & 0xFF; 2854 CDB[7] = (io->size >> 8) & 0xFF; 2855 CDB[8] = io->size & 0xFF; 2856 timeout = 10; 2857 break; 2858 2859 case RESERVE_6: 2860 cmdLen = 6; 2861 dir = MPI_SCSIIO_CONTROL_READ; 2862 CDB[0] = cmd; 2863 timeout = 10; 2864 break; 2865 2866 case RELEASE_6: 2867 cmdLen = 6; 2868 dir = MPI_SCSIIO_CONTROL_READ; 2869 CDB[0] = cmd; 2870 timeout = 10; 2871 break; 2872 2873 case SYNCHRONIZE_CACHE: 2874 cmdLen = 10; 2875 dir = MPI_SCSIIO_CONTROL_READ; 2876 CDB[0] = cmd; 2877// CDB[1] = 0x02; /* set immediate bit */ 2878 timeout = 10; 2879 break; 2880 2881 default: 2882 /* Error Case */ 2883 ret = -EFAULT; 2884 goto out; 2885 } 2886 2887 /* Get and Populate a free Frame 2888 * MsgContext set in mpt_get_msg_frame call 2889 */ 2890 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) { 2891 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n", 2892 ioc->name, __func__)); 2893 ret = MPT_SCANDV_BUSY; 2894 goto out; 2895 } 2896 2897 pScsiReq = (SCSIIORequest_t *) mf; 2898 2899 /* Get the request index */ 2900 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 2901 ADD_INDEX_LOG(my_idx); /* for debug */ 2902 2903 if (io->flags & MPT_ICFLAG_PHYS_DISK) { 2904 pScsiReq->TargetID = io->physDiskNum; 2905 pScsiReq->Bus = 0; 2906 pScsiReq->ChainOffset = 0; 2907 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 2908 } else { 2909 pScsiReq->TargetID = io->id; 2910 pScsiReq->Bus = io->channel; 2911 pScsiReq->ChainOffset = 0; 2912 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 2913 } 2914 2915 pScsiReq->CDBLength = cmdLen; 2916 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 2917 2918 pScsiReq->Reserved = 0; 2919 2920 pScsiReq->MsgFlags = mpt_msg_flags(ioc); 2921 /* MsgContext set in mpt_get_msg_fram call */ 2922 2923 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN); 2924 2925 if (io->flags & MPT_ICFLAG_TAGGED_CMD) 2926 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ); 2927 else 2928 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); 2929 2930 if (cmd == REQUEST_SENSE) { 2931 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); 2932 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2933 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd)); 2934 } 2935 2936 for (ii = 0; ii < 16; ii++) 2937 pScsiReq->CDB[ii] = CDB[ii]; 2938 2939 pScsiReq->DataLength = cpu_to_le32(io->size); 2940 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma 2941 + (my_idx * MPT_SENSE_BUFFER_ALLOC)); 2942 2943 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2944 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n", 2945 ioc->name, __func__, cmd, io->channel, io->id, io->lun)); 2946 2947 if (dir == MPI_SCSIIO_CONTROL_READ) 2948 ioc->add_sge((char *) &pScsiReq->SGL, 2949 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma); 2950 else 2951 ioc->add_sge((char *) &pScsiReq->SGL, 2952 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma); 2953 2954 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status) 2955 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf); 2956 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done, 2957 timeout*HZ); 2958 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 2959 ret = MPT_SCANDV_DID_RESET; 2960 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2961 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__, 2962 cmd)); 2963 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { 2964 mpt_free_msg_frame(ioc, mf); 2965 goto out; 2966 } 2967 if (!timeleft) { 2968 printk(MYIOC_s_WARN_FMT 2969 "Issuing Reset from %s!! doorbell=0x%08xh" 2970 " cmd=0x%02x\n", 2971 ioc->name, __func__, mpt_GetIocState(ioc, 0), 2972 cmd); 2973 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 2974 mpt_free_msg_frame(ioc, mf); 2975 } 2976 goto out; 2977 } 2978 2979 ret = ioc->internal_cmds.completion_code; 2980 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n", 2981 ioc->name, __func__, ret)); 2982 2983 out: 2984 CLEAR_MGMT_STATUS(ioc->internal_cmds.status) 2985 mutex_unlock(&ioc->internal_cmds.mutex); 2986 return ret; 2987} 2988 2989/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2990/** 2991 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks. 2992 * @hd: Pointer to a SCSI HOST structure 2993 * @vdevice: virtual target device 2994 * 2995 * Uses the ISR, but with special processing. 2996 * MUST be single-threaded. 2997 * 2998 */ 2999static void 3000mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice) 3001{ 3002 INTERNAL_CMD iocmd; 3003 3004 /* Ignore hidden raid components, this is handled when the command 3005 * is sent to the volume 3006 */ 3007 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 3008 return; 3009 3010 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted || 3011 !vdevice->configured_lun) 3012 return; 3013 3014 /* Following parameters will not change 3015 * in this routine. 3016 */ 3017 iocmd.cmd = SYNCHRONIZE_CACHE; 3018 iocmd.flags = 0; 3019 iocmd.physDiskNum = -1; 3020 iocmd.data = NULL; 3021 iocmd.data_dma = -1; 3022 iocmd.size = 0; 3023 iocmd.rsvd = iocmd.rsvd2 = 0; 3024 iocmd.channel = vdevice->vtarget->channel; 3025 iocmd.id = vdevice->vtarget->id; 3026 iocmd.lun = vdevice->lun; 3027 3028 mptscsih_do_cmd(hd, &iocmd); 3029} 3030 3031static ssize_t 3032mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr, 3033 char *buf) 3034{ 3035 struct Scsi_Host *host = class_to_shost(dev); 3036 MPT_SCSI_HOST *hd = shost_priv(host); 3037 MPT_ADAPTER *ioc = hd->ioc; 3038 3039 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n", 3040 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, 3041 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, 3042 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, 3043 ioc->facts.FWVersion.Word & 0x000000FF); 3044} 3045static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL); 3046 3047static ssize_t 3048mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr, 3049 char *buf) 3050{ 3051 struct Scsi_Host *host = class_to_shost(dev); 3052 MPT_SCSI_HOST *hd = shost_priv(host); 3053 MPT_ADAPTER *ioc = hd->ioc; 3054 3055 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n", 3056 (ioc->biosVersion & 0xFF000000) >> 24, 3057 (ioc->biosVersion & 0x00FF0000) >> 16, 3058 (ioc->biosVersion & 0x0000FF00) >> 8, 3059 ioc->biosVersion & 0x000000FF); 3060} 3061static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL); 3062 3063static ssize_t 3064mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr, 3065 char *buf) 3066{ 3067 struct Scsi_Host *host = class_to_shost(dev); 3068 MPT_SCSI_HOST *hd = shost_priv(host); 3069 MPT_ADAPTER *ioc = hd->ioc; 3070 3071 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion); 3072} 3073static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL); 3074 3075static ssize_t 3076mptscsih_version_product_show(struct device *dev, 3077 struct device_attribute *attr, 3078char *buf) 3079{ 3080 struct Scsi_Host *host = class_to_shost(dev); 3081 MPT_SCSI_HOST *hd = shost_priv(host); 3082 MPT_ADAPTER *ioc = hd->ioc; 3083 3084 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name); 3085} 3086static DEVICE_ATTR(version_product, S_IRUGO, 3087 mptscsih_version_product_show, NULL); 3088 3089static ssize_t 3090mptscsih_version_nvdata_persistent_show(struct device *dev, 3091 struct device_attribute *attr, 3092 char *buf) 3093{ 3094 struct Scsi_Host *host = class_to_shost(dev); 3095 MPT_SCSI_HOST *hd = shost_priv(host); 3096 MPT_ADAPTER *ioc = hd->ioc; 3097 3098 return snprintf(buf, PAGE_SIZE, "%02xh\n", 3099 ioc->nvdata_version_persistent); 3100} 3101static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO, 3102 mptscsih_version_nvdata_persistent_show, NULL); 3103 3104static ssize_t 3105mptscsih_version_nvdata_default_show(struct device *dev, 3106 struct device_attribute *attr, char *buf) 3107{ 3108 struct Scsi_Host *host = class_to_shost(dev); 3109 MPT_SCSI_HOST *hd = shost_priv(host); 3110 MPT_ADAPTER *ioc = hd->ioc; 3111 3112 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default); 3113} 3114static DEVICE_ATTR(version_nvdata_default, S_IRUGO, 3115 mptscsih_version_nvdata_default_show, NULL); 3116 3117static ssize_t 3118mptscsih_board_name_show(struct device *dev, struct device_attribute *attr, 3119 char *buf) 3120{ 3121 struct Scsi_Host *host = class_to_shost(dev); 3122 MPT_SCSI_HOST *hd = shost_priv(host); 3123 MPT_ADAPTER *ioc = hd->ioc; 3124 3125 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name); 3126} 3127static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL); 3128 3129static ssize_t 3130mptscsih_board_assembly_show(struct device *dev, 3131 struct device_attribute *attr, char *buf) 3132{ 3133 struct Scsi_Host *host = class_to_shost(dev); 3134 MPT_SCSI_HOST *hd = shost_priv(host); 3135 MPT_ADAPTER *ioc = hd->ioc; 3136 3137 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly); 3138} 3139static DEVICE_ATTR(board_assembly, S_IRUGO, 3140 mptscsih_board_assembly_show, NULL); 3141 3142static ssize_t 3143mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr, 3144 char *buf) 3145{ 3146 struct Scsi_Host *host = class_to_shost(dev); 3147 MPT_SCSI_HOST *hd = shost_priv(host); 3148 MPT_ADAPTER *ioc = hd->ioc; 3149 3150 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer); 3151} 3152static DEVICE_ATTR(board_tracer, S_IRUGO, 3153 mptscsih_board_tracer_show, NULL); 3154 3155static ssize_t 3156mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr, 3157 char *buf) 3158{ 3159 struct Scsi_Host *host = class_to_shost(dev); 3160 MPT_SCSI_HOST *hd = shost_priv(host); 3161 MPT_ADAPTER *ioc = hd->ioc; 3162 3163 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay); 3164} 3165static DEVICE_ATTR(io_delay, S_IRUGO, 3166 mptscsih_io_delay_show, NULL); 3167 3168static ssize_t 3169mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr, 3170 char *buf) 3171{ 3172 struct Scsi_Host *host = class_to_shost(dev); 3173 MPT_SCSI_HOST *hd = shost_priv(host); 3174 MPT_ADAPTER *ioc = hd->ioc; 3175 3176 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay); 3177} 3178static DEVICE_ATTR(device_delay, S_IRUGO, 3179 mptscsih_device_delay_show, NULL); 3180 3181static ssize_t 3182mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr, 3183 char *buf) 3184{ 3185 struct Scsi_Host *host = class_to_shost(dev); 3186 MPT_SCSI_HOST *hd = shost_priv(host); 3187 MPT_ADAPTER *ioc = hd->ioc; 3188 3189 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level); 3190} 3191static ssize_t 3192mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr, 3193 const char *buf, size_t count) 3194{ 3195 struct Scsi_Host *host = class_to_shost(dev); 3196 MPT_SCSI_HOST *hd = shost_priv(host); 3197 MPT_ADAPTER *ioc = hd->ioc; 3198 int val = 0; 3199 3200 if (sscanf(buf, "%x", &val) != 1) 3201 return -EINVAL; 3202 3203 ioc->debug_level = val; 3204 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n", 3205 ioc->name, ioc->debug_level); 3206 return strlen(buf); 3207} 3208static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR, 3209 mptscsih_debug_level_show, mptscsih_debug_level_store); 3210 3211static struct attribute *mptscsih_host_attrs[] = { 3212 &dev_attr_version_fw.attr, 3213 &dev_attr_version_bios.attr, 3214 &dev_attr_version_mpi.attr, 3215 &dev_attr_version_product.attr, 3216 &dev_attr_version_nvdata_persistent.attr, 3217 &dev_attr_version_nvdata_default.attr, 3218 &dev_attr_board_name.attr, 3219 &dev_attr_board_assembly.attr, 3220 &dev_attr_board_tracer.attr, 3221 &dev_attr_io_delay.attr, 3222 &dev_attr_device_delay.attr, 3223 &dev_attr_debug_level.attr, 3224 NULL, 3225}; 3226 3227static const struct attribute_group mptscsih_host_attr_group = { 3228 .attrs = mptscsih_host_attrs 3229}; 3230 3231const struct attribute_group *mptscsih_host_attr_groups[] = { 3232 &mptscsih_host_attr_group, 3233 NULL 3234}; 3235EXPORT_SYMBOL(mptscsih_host_attr_groups); 3236 3237EXPORT_SYMBOL(mptscsih_remove); 3238EXPORT_SYMBOL(mptscsih_shutdown); 3239#ifdef CONFIG_PM 3240EXPORT_SYMBOL(mptscsih_suspend); 3241EXPORT_SYMBOL(mptscsih_resume); 3242#endif 3243EXPORT_SYMBOL(mptscsih_show_info); 3244EXPORT_SYMBOL(mptscsih_info); 3245EXPORT_SYMBOL(mptscsih_qcmd); 3246EXPORT_SYMBOL(mptscsih_sdev_destroy); 3247EXPORT_SYMBOL(mptscsih_sdev_configure); 3248EXPORT_SYMBOL(mptscsih_abort); 3249EXPORT_SYMBOL(mptscsih_dev_reset); 3250EXPORT_SYMBOL(mptscsih_bus_reset); 3251EXPORT_SYMBOL(mptscsih_host_reset); 3252EXPORT_SYMBOL(mptscsih_bios_param); 3253EXPORT_SYMBOL(mptscsih_io_done); 3254EXPORT_SYMBOL(mptscsih_taskmgmt_complete); 3255EXPORT_SYMBOL(mptscsih_scandv_complete); 3256EXPORT_SYMBOL(mptscsih_event_process); 3257EXPORT_SYMBOL(mptscsih_ioc_reset); 3258EXPORT_SYMBOL(mptscsih_change_queue_depth); 3259 3260/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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