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sys/dev/mpr/mpr_sas.c
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1 /*- 2 * Copyright (c) 2009 Yahoo! Inc. 3 * Copyright (c) 2011-2015 LSI Corp. 4 * Copyright (c) 2013-2016 Avago Technologies 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD 29 * 30 */ 31 32 #include <sys/cdefs.h> 33 __FBSDID("$FreeBSD$"); 34 35 /* Communications core for Avago Technologies (LSI) MPT3 */ 36 37 /* TODO Move headers to mprvar */ 38 #include <sys/types.h> 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/selinfo.h> 43 #include <sys/module.h> 44 #include <sys/bus.h> 45 #include <sys/conf.h> 46 #include <sys/bio.h> 47 #include <sys/malloc.h> 48 #include <sys/uio.h> 49 #include <sys/sysctl.h> 50 #include <sys/endian.h> 51 #include <sys/queue.h> 52 #include <sys/kthread.h> 53 #include <sys/taskqueue.h> 54 #include <sys/sbuf.h> 55 56 #include <machine/bus.h> 57 #include <machine/resource.h> 58 #include <sys/rman.h> 59 60 #include <machine/stdarg.h> 61 62 #include <cam/cam.h> 63 #include <cam/cam_ccb.h> 64 #include <cam/cam_debug.h> 65 #include <cam/cam_sim.h> 66 #include <cam/cam_xpt_sim.h> 67 #include <cam/cam_xpt_periph.h> 68 #include <cam/cam_periph.h> 69 #include <cam/scsi/scsi_all.h> 70 #include <cam/scsi/scsi_message.h> 71 #if __FreeBSD_version >= 900026 72 #include <cam/scsi/smp_all.h> 73 #endif 74 75 #include <dev/nvme/nvme.h> 76 77 #include <dev/mpr/mpi/mpi2_type.h> 78 #include <dev/mpr/mpi/mpi2.h> 79 #include <dev/mpr/mpi/mpi2_ioc.h> 80 #include <dev/mpr/mpi/mpi2_sas.h> 81 #include <dev/mpr/mpi/mpi2_pci.h> 82 #include <dev/mpr/mpi/mpi2_cnfg.h> 83 #include <dev/mpr/mpi/mpi2_init.h> 84 #include <dev/mpr/mpi/mpi2_tool.h> 85 #include <dev/mpr/mpr_ioctl.h> 86 #include <dev/mpr/mprvar.h> 87 #include <dev/mpr/mpr_table.h> 88 #include <dev/mpr/mpr_sas.h> 89 90 #define MPRSAS_DISCOVERY_TIMEOUT 20 91 #define MPRSAS_MAX_DISCOVERY_TIMEOUTS 10 /* 200 seconds */ 92 93 /* 94 * static array to check SCSI OpCode for EEDP protection bits 95 */ 96 #define PRO_R MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP 97 #define PRO_W MPI2_SCSIIO_EEDPFLAGS_INSERT_OP 98 #define PRO_V MPI2_SCSIIO_EEDPFLAGS_INSERT_OP 99 static uint8_t op_code_prot[256] = { 100 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 101 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 102 0, 0, 0, 0, 0, 0, 0, 0, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V, 103 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104 0, PRO_W, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 105 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 106 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 107 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 108 0, 0, 0, 0, 0, 0, 0, 0, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V, 109 0, 0, 0, PRO_W, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 110 0, 0, 0, 0, 0, 0, 0, 0, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V, 111 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 112 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 113 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 114 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 115 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 116 }; 117 118 MALLOC_DEFINE(M_MPRSAS, "MPRSAS", "MPR SAS memory"); 119 120 static void mprsas_remove_device(struct mpr_softc *, struct mpr_command *); 121 static void mprsas_remove_complete(struct mpr_softc *, struct mpr_command *); 122 static void mprsas_action(struct cam_sim *sim, union ccb *ccb); 123 static void mprsas_poll(struct cam_sim *sim); 124 static void mprsas_scsiio_timeout(void *data); 125 static void mprsas_abort_complete(struct mpr_softc *sc, struct mpr_command *cm); 126 static void mprsas_action_scsiio(struct mprsas_softc *, union ccb *); 127 static void mprsas_scsiio_complete(struct mpr_softc *, struct mpr_command *); 128 static void mprsas_action_resetdev(struct mprsas_softc *, union ccb *); 129 static void mprsas_resetdev_complete(struct mpr_softc *, struct mpr_command *); 130 static int mprsas_send_abort(struct mpr_softc *sc, struct mpr_command *tm, 131 struct mpr_command *cm); 132 static void mprsas_async(void *callback_arg, uint32_t code, 133 struct cam_path *path, void *arg); 134 #if (__FreeBSD_version < 901503) || \ 135 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006)) 136 static void mprsas_check_eedp(struct mpr_softc *sc, struct cam_path *path, 137 struct ccb_getdev *cgd); 138 static void mprsas_read_cap_done(struct cam_periph *periph, 139 union ccb *done_ccb); 140 #endif 141 static int mprsas_send_portenable(struct mpr_softc *sc); 142 static void mprsas_portenable_complete(struct mpr_softc *sc, 143 struct mpr_command *cm); 144 145 #if __FreeBSD_version >= 900026 146 static void mprsas_smpio_complete(struct mpr_softc *sc, struct mpr_command *cm); 147 static void mprsas_send_smpcmd(struct mprsas_softc *sassc, union ccb *ccb, 148 uint64_t sasaddr); 149 static void mprsas_action_smpio(struct mprsas_softc *sassc, union ccb *ccb); 150 #endif //FreeBSD_version >= 900026 151 152 struct mprsas_target * 153 mprsas_find_target_by_handle(struct mprsas_softc *sassc, int start, 154 uint16_t handle) 155 { 156 struct mprsas_target *target; 157 int i; 158 159 for (i = start; i < sassc->maxtargets; i++) { 160 target = &sassc->targets[i]; 161 if (target->handle == handle) 162 return (target); 163 } 164 165 return (NULL); 166 } 167 168 /* we need to freeze the simq during attach and diag reset, to avoid failing 169 * commands before device handles have been found by discovery. Since 170 * discovery involves reading config pages and possibly sending commands, 171 * discovery actions may continue even after we receive the end of discovery 172 * event, so refcount discovery actions instead of assuming we can unfreeze 173 * the simq when we get the event. 174 */ 175 void 176 mprsas_startup_increment(struct mprsas_softc *sassc) 177 { 178 MPR_FUNCTRACE(sassc->sc); 179 180 if ((sassc->flags & MPRSAS_IN_STARTUP) != 0) { 181 if (sassc->startup_refcount++ == 0) { 182 /* just starting, freeze the simq */ 183 mpr_dprint(sassc->sc, MPR_INIT, 184 "%s freezing simq\n", __func__); 185 #if (__FreeBSD_version >= 1000039) || \ 186 ((__FreeBSD_version < 1000000) && (__FreeBSD_version >= 902502)) 187 xpt_hold_boot(); 188 #endif 189 xpt_freeze_simq(sassc->sim, 1); 190 } 191 mpr_dprint(sassc->sc, MPR_INIT, "%s refcount %u\n", __func__, 192 sassc->startup_refcount); 193 } 194 } 195 196 void 197 mprsas_release_simq_reinit(struct mprsas_softc *sassc) 198 { 199 if (sassc->flags & MPRSAS_QUEUE_FROZEN) { 200 sassc->flags &= ~MPRSAS_QUEUE_FROZEN; 201 xpt_release_simq(sassc->sim, 1); 202 mpr_dprint(sassc->sc, MPR_INFO, "Unfreezing SIM queue\n"); 203 } 204 } 205 206 void 207 mprsas_startup_decrement(struct mprsas_softc *sassc) 208 { 209 MPR_FUNCTRACE(sassc->sc); 210 211 if ((sassc->flags & MPRSAS_IN_STARTUP) != 0) { 212 if (--sassc->startup_refcount == 0) { 213 /* finished all discovery-related actions, release 214 * the simq and rescan for the latest topology. 215 */ 216 mpr_dprint(sassc->sc, MPR_INIT, 217 "%s releasing simq\n", __func__); 218 sassc->flags &= ~MPRSAS_IN_STARTUP; 219 xpt_release_simq(sassc->sim, 1); 220 #if (__FreeBSD_version >= 1000039) || \ 221 ((__FreeBSD_version < 1000000) && (__FreeBSD_version >= 902502)) 222 xpt_release_boot(); 223 #else 224 mprsas_rescan_target(sassc->sc, NULL); 225 #endif 226 } 227 mpr_dprint(sassc->sc, MPR_INIT, "%s refcount %u\n", __func__, 228 sassc->startup_refcount); 229 } 230 } 231 232 /* The firmware requires us to stop sending commands when we're doing task 233 * management, so refcount the TMs and keep the simq frozen when any are in 234 * use. 235 */ 236 struct mpr_command * 237 mprsas_alloc_tm(struct mpr_softc *sc) 238 { 239 struct mpr_command *tm; 240 241 MPR_FUNCTRACE(sc); 242 tm = mpr_alloc_high_priority_command(sc); 243 return tm; 244 } 245 246 void 247 mprsas_free_tm(struct mpr_softc *sc, struct mpr_command *tm) 248 { 249 int target_id = 0xFFFFFFFF; 250 251 MPR_FUNCTRACE(sc); 252 if (tm == NULL) 253 return; 254 255 /* 256 * For TM's the devq is frozen for the device. Unfreeze it here and 257 * free the resources used for freezing the devq. Must clear the 258 * INRESET flag as well or scsi I/O will not work. 259 */ 260 if (tm->cm_targ != NULL) { 261 tm->cm_targ->flags &= ~MPRSAS_TARGET_INRESET; 262 target_id = tm->cm_targ->tid; 263 } 264 if (tm->cm_ccb) { 265 mpr_dprint(sc, MPR_INFO, "Unfreezing devq for target ID %d\n", 266 target_id); 267 xpt_release_devq(tm->cm_ccb->ccb_h.path, 1, TRUE); 268 xpt_free_path(tm->cm_ccb->ccb_h.path); 269 xpt_free_ccb(tm->cm_ccb); 270 } 271 272 mpr_free_high_priority_command(sc, tm); 273 } 274 275 void 276 mprsas_rescan_target(struct mpr_softc *sc, struct mprsas_target *targ) 277 { 278 struct mprsas_softc *sassc = sc->sassc; 279 path_id_t pathid; 280 target_id_t targetid; 281 union ccb *ccb; 282 283 MPR_FUNCTRACE(sc); 284 pathid = cam_sim_path(sassc->sim); 285 if (targ == NULL) 286 targetid = CAM_TARGET_WILDCARD; 287 else 288 targetid = targ - sassc->targets; 289 290 /* 291 * Allocate a CCB and schedule a rescan. 292 */ 293 ccb = xpt_alloc_ccb_nowait(); 294 if (ccb == NULL) { 295 mpr_dprint(sc, MPR_ERROR, "unable to alloc CCB for rescan\n"); 296 return; 297 } 298 299 if (xpt_create_path(&ccb->ccb_h.path, NULL, pathid, targetid, 300 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 301 mpr_dprint(sc, MPR_ERROR, "unable to create path for rescan\n"); 302 xpt_free_ccb(ccb); 303 return; 304 } 305 306 if (targetid == CAM_TARGET_WILDCARD) 307 ccb->ccb_h.func_code = XPT_SCAN_BUS; 308 else 309 ccb->ccb_h.func_code = XPT_SCAN_TGT; 310 311 mpr_dprint(sc, MPR_TRACE, "%s targetid %u\n", __func__, targetid); 312 xpt_rescan(ccb); 313 } 314 315 static void 316 mprsas_log_command(struct mpr_command *cm, u_int level, const char *fmt, ...) 317 { 318 struct sbuf sb; 319 va_list ap; 320 char str[224]; 321 char path_str[64]; 322 323 if (cm == NULL) 324 return; 325 326 /* No need to be in here if debugging isn't enabled */ 327 if ((cm->cm_sc->mpr_debug & level) == 0) 328 return; 329 330 sbuf_new(&sb, str, sizeof(str), 0); 331 332 va_start(ap, fmt); 333 334 if (cm->cm_ccb != NULL) { 335 xpt_path_string(cm->cm_ccb->csio.ccb_h.path, path_str, 336 sizeof(path_str)); 337 sbuf_cat(&sb, path_str); 338 if (cm->cm_ccb->ccb_h.func_code == XPT_SCSI_IO) { 339 scsi_command_string(&cm->cm_ccb->csio, &sb); 340 sbuf_printf(&sb, "length %d ", 341 cm->cm_ccb->csio.dxfer_len); 342 } 343 } else { 344 sbuf_printf(&sb, "(noperiph:%s%d:%u:%u:%u): ", 345 cam_sim_name(cm->cm_sc->sassc->sim), 346 cam_sim_unit(cm->cm_sc->sassc->sim), 347 cam_sim_bus(cm->cm_sc->sassc->sim), 348 cm->cm_targ ? cm->cm_targ->tid : 0xFFFFFFFF, 349 cm->cm_lun); 350 } 351 352 sbuf_printf(&sb, "SMID %u ", cm->cm_desc.Default.SMID); 353 sbuf_vprintf(&sb, fmt, ap); 354 sbuf_finish(&sb); 355 mpr_print_field(cm->cm_sc, "%s", sbuf_data(&sb)); 356 357 va_end(ap); 358 } 359 360 static void 361 mprsas_remove_volume(struct mpr_softc *sc, struct mpr_command *tm) 362 { 363 MPI2_SCSI_TASK_MANAGE_REPLY *reply; 364 struct mprsas_target *targ; 365 uint16_t handle; 366 367 MPR_FUNCTRACE(sc); 368 369 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; 370 handle = (uint16_t)(uintptr_t)tm->cm_complete_data; 371 targ = tm->cm_targ; 372 373 if (reply == NULL) { 374 /* XXX retry the remove after the diag reset completes? */ 375 mpr_dprint(sc, MPR_FAULT, "%s NULL reply resetting device " 376 "0x%04x\n", __func__, handle); 377 mprsas_free_tm(sc, tm); 378 return; 379 } 380 381 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != 382 MPI2_IOCSTATUS_SUCCESS) { 383 mpr_dprint(sc, MPR_ERROR, "IOCStatus = 0x%x while resetting " 384 "device 0x%x\n", le16toh(reply->IOCStatus), handle); 385 } 386 387 mpr_dprint(sc, MPR_XINFO, "Reset aborted %u commands\n", 388 le32toh(reply->TerminationCount)); 389 mpr_free_reply(sc, tm->cm_reply_data); 390 tm->cm_reply = NULL; /* Ensures the reply won't get re-freed */ 391 392 mpr_dprint(sc, MPR_XINFO, "clearing target %u handle 0x%04x\n", 393 targ->tid, handle); 394 395 /* 396 * Don't clear target if remove fails because things will get confusing. 397 * Leave the devname and sasaddr intact so that we know to avoid reusing 398 * this target id if possible, and so we can assign the same target id 399 * to this device if it comes back in the future. 400 */ 401 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) == 402 MPI2_IOCSTATUS_SUCCESS) { 403 targ = tm->cm_targ; 404 targ->handle = 0x0; 405 targ->encl_handle = 0x0; 406 targ->encl_level_valid = 0x0; 407 targ->encl_level = 0x0; 408 targ->connector_name[0] = ' '; 409 targ->connector_name[1] = ' '; 410 targ->connector_name[2] = ' '; 411 targ->connector_name[3] = ' '; 412 targ->encl_slot = 0x0; 413 targ->exp_dev_handle = 0x0; 414 targ->phy_num = 0x0; 415 targ->linkrate = 0x0; 416 targ->devinfo = 0x0; 417 targ->flags = 0x0; 418 targ->scsi_req_desc_type = 0; 419 } 420 421 mprsas_free_tm(sc, tm); 422 } 423 424 425 /* 426 * No Need to call "MPI2_SAS_OP_REMOVE_DEVICE" For Volume removal. 427 * Otherwise Volume Delete is same as Bare Drive Removal. 428 */ 429 void 430 mprsas_prepare_volume_remove(struct mprsas_softc *sassc, uint16_t handle) 431 { 432 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 433 struct mpr_softc *sc; 434 struct mpr_command *cm; 435 struct mprsas_target *targ = NULL; 436 437 MPR_FUNCTRACE(sassc->sc); 438 sc = sassc->sc; 439 440 targ = mprsas_find_target_by_handle(sassc, 0, handle); 441 if (targ == NULL) { 442 /* FIXME: what is the action? */ 443 /* We don't know about this device? */ 444 mpr_dprint(sc, MPR_ERROR, 445 "%s %d : invalid handle 0x%x \n", __func__,__LINE__, handle); 446 return; 447 } 448 449 targ->flags |= MPRSAS_TARGET_INREMOVAL; 450 451 cm = mprsas_alloc_tm(sc); 452 if (cm == NULL) { 453 mpr_dprint(sc, MPR_ERROR, 454 "%s: command alloc failure\n", __func__); 455 return; 456 } 457 458 mprsas_rescan_target(sc, targ); 459 460 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req; 461 req->DevHandle = targ->handle; 462 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; 463 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; 464 465 /* SAS Hard Link Reset / SATA Link Reset */ 466 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET; 467 468 cm->cm_targ = targ; 469 cm->cm_data = NULL; 470 cm->cm_desc.HighPriority.RequestFlags = 471 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; 472 cm->cm_complete = mprsas_remove_volume; 473 cm->cm_complete_data = (void *)(uintptr_t)handle; 474 475 mpr_dprint(sc, MPR_INFO, "%s: Sending reset for target ID %d\n", 476 __func__, targ->tid); 477 mprsas_prepare_for_tm(sc, cm, targ, CAM_LUN_WILDCARD); 478 479 mpr_map_command(sc, cm); 480 } 481 482 /* 483 * The firmware performs debounce on the link to avoid transient link errors 484 * and false removals. When it does decide that link has been lost and a 485 * device needs to go away, it expects that the host will perform a target reset 486 * and then an op remove. The reset has the side-effect of aborting any 487 * outstanding requests for the device, which is required for the op-remove to 488 * succeed. It's not clear if the host should check for the device coming back 489 * alive after the reset. 490 */ 491 void 492 mprsas_prepare_remove(struct mprsas_softc *sassc, uint16_t handle) 493 { 494 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 495 struct mpr_softc *sc; 496 struct mpr_command *cm; 497 struct mprsas_target *targ = NULL; 498 499 MPR_FUNCTRACE(sassc->sc); 500 501 sc = sassc->sc; 502 503 targ = mprsas_find_target_by_handle(sassc, 0, handle); 504 if (targ == NULL) { 505 /* FIXME: what is the action? */ 506 /* We don't know about this device? */ 507 mpr_dprint(sc, MPR_ERROR, "%s : invalid handle 0x%x \n", 508 __func__, handle); 509 return; 510 } 511 512 targ->flags |= MPRSAS_TARGET_INREMOVAL; 513 514 cm = mprsas_alloc_tm(sc); 515 if (cm == NULL) { 516 mpr_dprint(sc, MPR_ERROR, "%s: command alloc failure\n", 517 __func__); 518 return; 519 } 520 521 mprsas_rescan_target(sc, targ); 522 523 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req; 524 memset(req, 0, sizeof(*req)); 525 req->DevHandle = htole16(targ->handle); 526 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; 527 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; 528 529 /* SAS Hard Link Reset / SATA Link Reset */ 530 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET; 531 532 cm->cm_targ = targ; 533 cm->cm_data = NULL; 534 cm->cm_desc.HighPriority.RequestFlags = 535 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; 536 cm->cm_complete = mprsas_remove_device; 537 cm->cm_complete_data = (void *)(uintptr_t)handle; 538 539 mpr_dprint(sc, MPR_INFO, "%s: Sending reset for target ID %d\n", 540 __func__, targ->tid); 541 mprsas_prepare_for_tm(sc, cm, targ, CAM_LUN_WILDCARD); 542 543 mpr_map_command(sc, cm); 544 } 545 546 static void 547 mprsas_remove_device(struct mpr_softc *sc, struct mpr_command *tm) 548 { 549 MPI2_SCSI_TASK_MANAGE_REPLY *reply; 550 MPI2_SAS_IOUNIT_CONTROL_REQUEST *req; 551 struct mprsas_target *targ; 552 struct mpr_command *next_cm; 553 uint16_t handle; 554 555 MPR_FUNCTRACE(sc); 556 557 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; 558 handle = (uint16_t)(uintptr_t)tm->cm_complete_data; 559 targ = tm->cm_targ; 560 561 /* 562 * Currently there should be no way we can hit this case. It only 563 * happens when we have a failure to allocate chain frames, and 564 * task management commands don't have S/G lists. 565 */ 566 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { 567 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for remove of " 568 "handle %#04x! This should not happen!\n", __func__, 569 tm->cm_flags, handle); 570 } 571 572 if (reply == NULL) { 573 /* XXX retry the remove after the diag reset completes? */ 574 mpr_dprint(sc, MPR_FAULT, "%s NULL reply resetting device " 575 "0x%04x\n", __func__, handle); 576 mprsas_free_tm(sc, tm); 577 return; 578 } 579 580 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != 581 MPI2_IOCSTATUS_SUCCESS) { 582 mpr_dprint(sc, MPR_ERROR, "IOCStatus = 0x%x while resetting " 583 "device 0x%x\n", le16toh(reply->IOCStatus), handle); 584 } 585 586 mpr_dprint(sc, MPR_XINFO, "Reset aborted %u commands\n", 587 le32toh(reply->TerminationCount)); 588 mpr_free_reply(sc, tm->cm_reply_data); 589 tm->cm_reply = NULL; /* Ensures the reply won't get re-freed */ 590 591 /* Reuse the existing command */ 592 req = (MPI2_SAS_IOUNIT_CONTROL_REQUEST *)tm->cm_req; 593 memset(req, 0, sizeof(*req)); 594 req->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; 595 req->Operation = MPI2_SAS_OP_REMOVE_DEVICE; 596 req->DevHandle = htole16(handle); 597 tm->cm_data = NULL; 598 tm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 599 tm->cm_complete = mprsas_remove_complete; 600 tm->cm_complete_data = (void *)(uintptr_t)handle; 601 602 mpr_map_command(sc, tm); 603 604 mpr_dprint(sc, MPR_INFO, "clearing target %u handle 0x%04x\n", 605 targ->tid, handle); 606 if (targ->encl_level_valid) { 607 mpr_dprint(sc, MPR_INFO, "At enclosure level %d, slot %d, " 608 "connector name (%4s)\n", targ->encl_level, targ->encl_slot, 609 targ->connector_name); 610 } 611 TAILQ_FOREACH_SAFE(tm, &targ->commands, cm_link, next_cm) { 612 union ccb *ccb; 613 614 mpr_dprint(sc, MPR_XINFO, "Completing missed command %p\n", tm); 615 ccb = tm->cm_complete_data; 616 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 617 mprsas_scsiio_complete(sc, tm); 618 } 619 } 620 621 static void 622 mprsas_remove_complete(struct mpr_softc *sc, struct mpr_command *tm) 623 { 624 MPI2_SAS_IOUNIT_CONTROL_REPLY *reply; 625 uint16_t handle; 626 struct mprsas_target *targ; 627 struct mprsas_lun *lun; 628 629 MPR_FUNCTRACE(sc); 630 631 reply = (MPI2_SAS_IOUNIT_CONTROL_REPLY *)tm->cm_reply; 632 handle = (uint16_t)(uintptr_t)tm->cm_complete_data; 633 634 /* 635 * Currently there should be no way we can hit this case. It only 636 * happens when we have a failure to allocate chain frames, and 637 * task management commands don't have S/G lists. 638 */ 639 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { 640 mpr_dprint(sc, MPR_XINFO, "%s: cm_flags = %#x for remove of " 641 "handle %#04x! This should not happen!\n", __func__, 642 tm->cm_flags, handle); 643 mprsas_free_tm(sc, tm); 644 return; 645 } 646 647 if (reply == NULL) { 648 /* most likely a chip reset */ 649 mpr_dprint(sc, MPR_FAULT, "%s NULL reply removing device " 650 "0x%04x\n", __func__, handle); 651 mprsas_free_tm(sc, tm); 652 return; 653 } 654 655 mpr_dprint(sc, MPR_XINFO, "%s on handle 0x%04x, IOCStatus= 0x%x\n", 656 __func__, handle, le16toh(reply->IOCStatus)); 657 658 /* 659 * Don't clear target if remove fails because things will get confusing. 660 * Leave the devname and sasaddr intact so that we know to avoid reusing 661 * this target id if possible, and so we can assign the same target id 662 * to this device if it comes back in the future. 663 */ 664 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) == 665 MPI2_IOCSTATUS_SUCCESS) { 666 targ = tm->cm_targ; 667 targ->handle = 0x0; 668 targ->encl_handle = 0x0; 669 targ->encl_level_valid = 0x0; 670 targ->encl_level = 0x0; 671 targ->connector_name[0] = ' '; 672 targ->connector_name[1] = ' '; 673 targ->connector_name[2] = ' '; 674 targ->connector_name[3] = ' '; 675 targ->encl_slot = 0x0; 676 targ->exp_dev_handle = 0x0; 677 targ->phy_num = 0x0; 678 targ->linkrate = 0x0; 679 targ->devinfo = 0x0; 680 targ->flags = 0x0; 681 targ->scsi_req_desc_type = 0; 682 683 while (!SLIST_EMPTY(&targ->luns)) { 684 lun = SLIST_FIRST(&targ->luns); 685 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 686 free(lun, M_MPR); 687 } 688 } 689 690 mprsas_free_tm(sc, tm); 691 } 692 693 static int 694 mprsas_register_events(struct mpr_softc *sc) 695 { 696 uint8_t events[16]; 697 698 bzero(events, 16); 699 setbit(events, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); 700 setbit(events, MPI2_EVENT_SAS_DISCOVERY); 701 setbit(events, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE); 702 setbit(events, MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE); 703 setbit(events, MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW); 704 setbit(events, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST); 705 setbit(events, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE); 706 setbit(events, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST); 707 setbit(events, MPI2_EVENT_IR_VOLUME); 708 setbit(events, MPI2_EVENT_IR_PHYSICAL_DISK); 709 setbit(events, MPI2_EVENT_IR_OPERATION_STATUS); 710 setbit(events, MPI2_EVENT_TEMP_THRESHOLD); 711 setbit(events, MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR); 712 if (sc->facts->MsgVersion >= MPI2_VERSION_02_06) { 713 setbit(events, MPI2_EVENT_ACTIVE_CABLE_EXCEPTION); 714 if (sc->mpr_flags & MPR_FLAGS_GEN35_IOC) { 715 setbit(events, MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE); 716 setbit(events, MPI2_EVENT_PCIE_ENUMERATION); 717 setbit(events, MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST); 718 } 719 } 720 721 mpr_register_events(sc, events, mprsas_evt_handler, NULL, 722 &sc->sassc->mprsas_eh); 723 724 return (0); 725 } 726 727 int 728 mpr_attach_sas(struct mpr_softc *sc) 729 { 730 struct mprsas_softc *sassc; 731 cam_status status; 732 int unit, error = 0, reqs; 733 734 MPR_FUNCTRACE(sc); 735 736 sassc = malloc(sizeof(struct mprsas_softc), M_MPR, M_WAITOK|M_ZERO); 737 if (!sassc) { 738 device_printf(sc->mpr_dev, "Cannot allocate memory %s %d\n", 739 __func__, __LINE__); 740 return (ENOMEM); 741 } 742 743 /* 744 * XXX MaxTargets could change during a reinit. Since we don't 745 * resize the targets[] array during such an event, cache the value 746 * of MaxTargets here so that we don't get into trouble later. This 747 * should move into the reinit logic. 748 */ 749 sassc->maxtargets = sc->facts->MaxTargets + sc->facts->MaxVolumes; 750 sassc->targets = malloc(sizeof(struct mprsas_target) * 751 sassc->maxtargets, M_MPR, M_WAITOK|M_ZERO); 752 if (!sassc->targets) { 753 device_printf(sc->mpr_dev, "Cannot allocate memory %s %d\n", 754 __func__, __LINE__); 755 free(sassc, M_MPR); 756 return (ENOMEM); 757 } 758 sc->sassc = sassc; 759 sassc->sc = sc; 760 761 reqs = sc->num_reqs - sc->num_prireqs - 1; 762 if ((sassc->devq = cam_simq_alloc(reqs)) == NULL) { 763 mpr_dprint(sc, MPR_ERROR, "Cannot allocate SIMQ\n"); 764 error = ENOMEM; 765 goto out; 766 } 767 768 unit = device_get_unit(sc->mpr_dev); 769 sassc->sim = cam_sim_alloc(mprsas_action, mprsas_poll, "mpr", sassc, 770 unit, &sc->mpr_mtx, reqs, reqs, sassc->devq); 771 if (sassc->sim == NULL) { 772 mpr_dprint(sc, MPR_ERROR, "Cannot allocate SIM\n"); 773 error = EINVAL; 774 goto out; 775 } 776 777 TAILQ_INIT(&sassc->ev_queue); 778 779 /* Initialize taskqueue for Event Handling */ 780 TASK_INIT(&sassc->ev_task, 0, mprsas_firmware_event_work, sc); 781 sassc->ev_tq = taskqueue_create("mpr_taskq", M_NOWAIT | M_ZERO, 782 taskqueue_thread_enqueue, &sassc->ev_tq); 783 taskqueue_start_threads(&sassc->ev_tq, 1, PRIBIO, "%s taskq", 784 device_get_nameunit(sc->mpr_dev)); 785 786 mpr_lock(sc); 787 788 /* 789 * XXX There should be a bus for every port on the adapter, but since 790 * we're just going to fake the topology for now, we'll pretend that 791 * everything is just a target on a single bus. 792 */ 793 if ((error = xpt_bus_register(sassc->sim, sc->mpr_dev, 0)) != 0) { 794 mpr_dprint(sc, MPR_ERROR, "Error %d registering SCSI bus\n", 795 error); 796 mpr_unlock(sc); 797 goto out; 798 } 799 800 /* 801 * Assume that discovery events will start right away. 802 * 803 * Hold off boot until discovery is complete. 804 */ 805 sassc->flags |= MPRSAS_IN_STARTUP | MPRSAS_IN_DISCOVERY; 806 sc->sassc->startup_refcount = 0; 807 mprsas_startup_increment(sassc); 808 809 callout_init(&sassc->discovery_callout, 1 /*mpsafe*/); 810 811 /* 812 * Register for async events so we can determine the EEDP 813 * capabilities of devices. 814 */ 815 status = xpt_create_path(&sassc->path, /*periph*/NULL, 816 cam_sim_path(sc->sassc->sim), CAM_TARGET_WILDCARD, 817 CAM_LUN_WILDCARD); 818 if (status != CAM_REQ_CMP) { 819 mpr_printf(sc, "Error %#x creating sim path\n", status); 820 sassc->path = NULL; 821 } else { 822 int event; 823 824 #if (__FreeBSD_version >= 1000006) || \ 825 ((__FreeBSD_version >= 901503) && (__FreeBSD_version < 1000000)) 826 event = AC_ADVINFO_CHANGED | AC_FOUND_DEVICE; 827 #else 828 event = AC_FOUND_DEVICE; 829 #endif 830 831 /* 832 * Prior to the CAM locking improvements, we can't call 833 * xpt_register_async() with a particular path specified. 834 * 835 * If a path isn't specified, xpt_register_async() will 836 * generate a wildcard path and acquire the XPT lock while 837 * it calls xpt_action() to execute the XPT_SASYNC_CB CCB. 838 * It will then drop the XPT lock once that is done. 839 * 840 * If a path is specified for xpt_register_async(), it will 841 * not acquire and drop the XPT lock around the call to 842 * xpt_action(). xpt_action() asserts that the caller 843 * holds the SIM lock, so the SIM lock has to be held when 844 * calling xpt_register_async() when the path is specified. 845 * 846 * But xpt_register_async calls xpt_for_all_devices(), 847 * which calls xptbustraverse(), which will acquire each 848 * SIM lock. When it traverses our particular bus, it will 849 * necessarily acquire the SIM lock, which will lead to a 850 * recursive lock acquisition. 851 * 852 * The CAM locking changes fix this problem by acquiring 853 * the XPT topology lock around bus traversal in 854 * xptbustraverse(), so the caller can hold the SIM lock 855 * and it does not cause a recursive lock acquisition. 856 * 857 * These __FreeBSD_version values are approximate, especially 858 * for stable/10, which is two months later than the actual 859 * change. 860 */ 861 862 #if (__FreeBSD_version < 1000703) || \ 863 ((__FreeBSD_version >= 1100000) && (__FreeBSD_version < 1100002)) 864 mpr_unlock(sc); 865 status = xpt_register_async(event, mprsas_async, sc, 866 NULL); 867 mpr_lock(sc); 868 #else 869 status = xpt_register_async(event, mprsas_async, sc, 870 sassc->path); 871 #endif 872 873 if (status != CAM_REQ_CMP) { 874 mpr_dprint(sc, MPR_ERROR, 875 "Error %#x registering async handler for " 876 "AC_ADVINFO_CHANGED events\n", status); 877 xpt_free_path(sassc->path); 878 sassc->path = NULL; 879 } 880 } 881 if (status != CAM_REQ_CMP) { 882 /* 883 * EEDP use is the exception, not the rule. 884 * Warn the user, but do not fail to attach. 885 */ 886 mpr_printf(sc, "EEDP capabilities disabled.\n"); 887 } 888 889 mpr_unlock(sc); 890 891 mprsas_register_events(sc); 892 out: 893 if (error) 894 mpr_detach_sas(sc); 895 return (error); 896 } 897 898 int 899 mpr_detach_sas(struct mpr_softc *sc) 900 { 901 struct mprsas_softc *sassc; 902 struct mprsas_lun *lun, *lun_tmp; 903 struct mprsas_target *targ; 904 int i; 905 906 MPR_FUNCTRACE(sc); 907 908 if (sc->sassc == NULL) 909 return (0); 910 911 sassc = sc->sassc; 912 mpr_deregister_events(sc, sassc->mprsas_eh); 913 914 /* 915 * Drain and free the event handling taskqueue with the lock 916 * unheld so that any parallel processing tasks drain properly 917 * without deadlocking. 918 */ 919 if (sassc->ev_tq != NULL) 920 taskqueue_free(sassc->ev_tq); 921 922 /* Make sure CAM doesn't wedge if we had to bail out early. */ 923 mpr_lock(sc); 924 925 /* Deregister our async handler */ 926 if (sassc->path != NULL) { 927 xpt_register_async(0, mprsas_async, sc, sassc->path); 928 xpt_free_path(sassc->path); 929 sassc->path = NULL; 930 } 931 932 if (sassc->flags & MPRSAS_IN_STARTUP) 933 xpt_release_simq(sassc->sim, 1); 934 935 if (sassc->sim != NULL) { 936 xpt_bus_deregister(cam_sim_path(sassc->sim)); 937 cam_sim_free(sassc->sim, FALSE); 938 } 939 940 mpr_unlock(sc); 941 942 if (sassc->devq != NULL) 943 cam_simq_free(sassc->devq); 944 945 for (i = 0; i < sassc->maxtargets; i++) { 946 targ = &sassc->targets[i]; 947 SLIST_FOREACH_SAFE(lun, &targ->luns, lun_link, lun_tmp) { 948 free(lun, M_MPR); 949 } 950 } 951 free(sassc->targets, M_MPR); 952 free(sassc, M_MPR); 953 sc->sassc = NULL; 954 955 return (0); 956 } 957 958 void 959 mprsas_discovery_end(struct mprsas_softc *sassc) 960 { 961 struct mpr_softc *sc = sassc->sc; 962 963 MPR_FUNCTRACE(sc); 964 965 if (sassc->flags & MPRSAS_DISCOVERY_TIMEOUT_PENDING) 966 callout_stop(&sassc->discovery_callout); 967 968 /* 969 * After discovery has completed, check the mapping table for any 970 * missing devices and update their missing counts. Only do this once 971 * whenever the driver is initialized so that missing counts aren't 972 * updated unnecessarily. Note that just because discovery has 973 * completed doesn't mean that events have been processed yet. The 974 * check_devices function is a callout timer that checks if ALL devices 975 * are missing. If so, it will wait a little longer for events to 976 * complete and keep resetting itself until some device in the mapping 977 * table is not missing, meaning that event processing has started. 978 */ 979 if (sc->track_mapping_events) { 980 mpr_dprint(sc, MPR_XINFO | MPR_MAPPING, "Discovery has " 981 "completed. Check for missing devices in the mapping " 982 "table.\n"); 983 callout_reset(&sc->device_check_callout, 984 MPR_MISSING_CHECK_DELAY * hz, mpr_mapping_check_devices, 985 sc); 986 } 987 } 988 989 static void 990 mprsas_action(struct cam_sim *sim, union ccb *ccb) 991 { 992 struct mprsas_softc *sassc; 993 994 sassc = cam_sim_softc(sim); 995 996 MPR_FUNCTRACE(sassc->sc); 997 mpr_dprint(sassc->sc, MPR_TRACE, "ccb func_code 0x%x\n", 998 ccb->ccb_h.func_code); 999 mtx_assert(&sassc->sc->mpr_mtx, MA_OWNED); 1000 1001 switch (ccb->ccb_h.func_code) { 1002 case XPT_PATH_INQ: 1003 { 1004 struct ccb_pathinq *cpi = &ccb->cpi; 1005 struct mpr_softc *sc = sassc->sc; 1006 uint8_t sges_per_frame; 1007 1008 cpi->version_num = 1; 1009 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 1010 cpi->target_sprt = 0; 1011 #if (__FreeBSD_version >= 1000039) || \ 1012 ((__FreeBSD_version < 1000000) && (__FreeBSD_version >= 902502)) 1013 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED | PIM_NOSCAN; 1014 #else 1015 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; 1016 #endif 1017 cpi->hba_eng_cnt = 0; 1018 cpi->max_target = sassc->maxtargets - 1; 1019 cpi->max_lun = 255; 1020 1021 /* 1022 * initiator_id is set here to an ID outside the set of valid 1023 * target IDs (including volumes). 1024 */ 1025 cpi->initiator_id = sassc->maxtargets; 1026 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1027 strlcpy(cpi->hba_vid, "Avago Tech", HBA_IDLEN); 1028 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 1029 cpi->unit_number = cam_sim_unit(sim); 1030 cpi->bus_id = cam_sim_bus(sim); 1031 /* 1032 * XXXSLM-I think this needs to change based on config page or 1033 * something instead of hardcoded to 150000. 1034 */ 1035 cpi->base_transfer_speed = 150000; 1036 cpi->transport = XPORT_SAS; 1037 cpi->transport_version = 0; 1038 cpi->protocol = PROTO_SCSI; 1039 cpi->protocol_version = SCSI_REV_SPC; 1040 1041 /* 1042 * Max IO Size is Page Size * the following: 1043 * ((SGEs per frame - 1 for chain element) * 1044 * Max Chain Depth) + 1 for no chain needed in last frame 1045 * 1046 * If user suggests a Max IO size to use, use the smaller of the 1047 * user's value and the calculated value as long as the user's 1048 * value is larger than 0. The user's value is in pages. 1049 */ 1050 sges_per_frame = (sc->chain_frame_size / 1051 sizeof(MPI2_IEEE_SGE_SIMPLE64)) - 1; 1052 cpi->maxio = (sges_per_frame * sc->facts->MaxChainDepth) + 1; 1053 cpi->maxio *= PAGE_SIZE; 1054 if ((sc->max_io_pages > 0) && (sc->max_io_pages * PAGE_SIZE < 1055 cpi->maxio)) 1056 cpi->maxio = sc->max_io_pages * PAGE_SIZE; 1057 sc->maxio = cpi->maxio; 1058 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 1059 break; 1060 } 1061 case XPT_GET_TRAN_SETTINGS: 1062 { 1063 struct ccb_trans_settings *cts; 1064 struct ccb_trans_settings_sas *sas; 1065 struct ccb_trans_settings_scsi *scsi; 1066 struct mprsas_target *targ; 1067 1068 cts = &ccb->cts; 1069 sas = &cts->xport_specific.sas; 1070 scsi = &cts->proto_specific.scsi; 1071 1072 KASSERT(cts->ccb_h.target_id < sassc->maxtargets, 1073 ("Target %d out of bounds in XPT_GET_TRAN_SETTINGS\n", 1074 cts->ccb_h.target_id)); 1075 targ = &sassc->targets[cts->ccb_h.target_id]; 1076 if (targ->handle == 0x0) { 1077 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 1078 break; 1079 } 1080 1081 cts->protocol_version = SCSI_REV_SPC2; 1082 cts->transport = XPORT_SAS; 1083 cts->transport_version = 0; 1084 1085 sas->valid = CTS_SAS_VALID_SPEED; 1086 switch (targ->linkrate) { 1087 case 0x08: 1088 sas->bitrate = 150000; 1089 break; 1090 case 0x09: 1091 sas->bitrate = 300000; 1092 break; 1093 case 0x0a: 1094 sas->bitrate = 600000; 1095 break; 1096 case 0x0b: 1097 sas->bitrate = 1200000; 1098 break; 1099 default: 1100 sas->valid = 0; 1101 } 1102 1103 cts->protocol = PROTO_SCSI; 1104 scsi->valid = CTS_SCSI_VALID_TQ; 1105 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 1106 1107 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 1108 break; 1109 } 1110 case XPT_CALC_GEOMETRY: 1111 cam_calc_geometry(&ccb->ccg, /*extended*/1); 1112 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 1113 break; 1114 case XPT_RESET_DEV: 1115 mpr_dprint(sassc->sc, MPR_XINFO, "mprsas_action " 1116 "XPT_RESET_DEV\n"); 1117 mprsas_action_resetdev(sassc, ccb); 1118 return; 1119 case XPT_RESET_BUS: 1120 case XPT_ABORT: 1121 case XPT_TERM_IO: 1122 mpr_dprint(sassc->sc, MPR_XINFO, "mprsas_action faking success " 1123 "for abort or reset\n"); 1124 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 1125 break; 1126 case XPT_SCSI_IO: 1127 mprsas_action_scsiio(sassc, ccb); 1128 return; 1129 #if __FreeBSD_version >= 900026 1130 case XPT_SMP_IO: 1131 mprsas_action_smpio(sassc, ccb); 1132 return; 1133 #endif 1134 default: 1135 mprsas_set_ccbstatus(ccb, CAM_FUNC_NOTAVAIL); 1136 break; 1137 } 1138 xpt_done(ccb); 1139 1140 } 1141 1142 static void 1143 mprsas_announce_reset(struct mpr_softc *sc, uint32_t ac_code, 1144 target_id_t target_id, lun_id_t lun_id) 1145 { 1146 path_id_t path_id = cam_sim_path(sc->sassc->sim); 1147 struct cam_path *path; 1148 1149 mpr_dprint(sc, MPR_XINFO, "%s code %x target %d lun %jx\n", __func__, 1150 ac_code, target_id, (uintmax_t)lun_id); 1151 1152 if (xpt_create_path(&path, NULL, 1153 path_id, target_id, lun_id) != CAM_REQ_CMP) { 1154 mpr_dprint(sc, MPR_ERROR, "unable to create path for reset " 1155 "notification\n"); 1156 return; 1157 } 1158 1159 xpt_async(ac_code, path, NULL); 1160 xpt_free_path(path); 1161 } 1162 1163 static void 1164 mprsas_complete_all_commands(struct mpr_softc *sc) 1165 { 1166 struct mpr_command *cm; 1167 int i; 1168 int completed; 1169 1170 MPR_FUNCTRACE(sc); 1171 mtx_assert(&sc->mpr_mtx, MA_OWNED); 1172 1173 /* complete all commands with a NULL reply */ 1174 for (i = 1; i < sc->num_reqs; i++) { 1175 cm = &sc->commands[i]; 1176 cm->cm_reply = NULL; 1177 completed = 0; 1178 1179 if (cm->cm_flags & MPR_CM_FLAGS_POLLED) 1180 cm->cm_flags |= MPR_CM_FLAGS_COMPLETE; 1181 1182 if (cm->cm_complete != NULL) { 1183 mprsas_log_command(cm, MPR_RECOVERY, 1184 "completing cm %p state %x ccb %p for diag reset\n", 1185 cm, cm->cm_state, cm->cm_ccb); 1186 cm->cm_complete(sc, cm); 1187 completed = 1; 1188 } 1189 1190 if (cm->cm_flags & MPR_CM_FLAGS_WAKEUP) { 1191 mprsas_log_command(cm, MPR_RECOVERY, 1192 "waking up cm %p state %x ccb %p for diag reset\n", 1193 cm, cm->cm_state, cm->cm_ccb); 1194 wakeup(cm); 1195 completed = 1; 1196 } 1197 1198 if (cm->cm_sc->io_cmds_active != 0) 1199 cm->cm_sc->io_cmds_active--; 1200 1201 if ((completed == 0) && (cm->cm_state != MPR_CM_STATE_FREE)) { 1202 /* this should never happen, but if it does, log */ 1203 mprsas_log_command(cm, MPR_RECOVERY, 1204 "cm %p state %x flags 0x%x ccb %p during diag " 1205 "reset\n", cm, cm->cm_state, cm->cm_flags, 1206 cm->cm_ccb); 1207 } 1208 } 1209 } 1210 1211 void 1212 mprsas_handle_reinit(struct mpr_softc *sc) 1213 { 1214 int i; 1215 1216 /* Go back into startup mode and freeze the simq, so that CAM 1217 * doesn't send any commands until after we've rediscovered all 1218 * targets and found the proper device handles for them. 1219 * 1220 * After the reset, portenable will trigger discovery, and after all 1221 * discovery-related activities have finished, the simq will be 1222 * released. 1223 */ 1224 mpr_dprint(sc, MPR_INIT, "%s startup\n", __func__); 1225 sc->sassc->flags |= MPRSAS_IN_STARTUP; 1226 sc->sassc->flags |= MPRSAS_IN_DISCOVERY; 1227 mprsas_startup_increment(sc->sassc); 1228 1229 /* notify CAM of a bus reset */ 1230 mprsas_announce_reset(sc, AC_BUS_RESET, CAM_TARGET_WILDCARD, 1231 CAM_LUN_WILDCARD); 1232 1233 /* complete and cleanup after all outstanding commands */ 1234 mprsas_complete_all_commands(sc); 1235 1236 mpr_dprint(sc, MPR_INIT, "%s startup %u after command completion\n", 1237 __func__, sc->sassc->startup_refcount); 1238 1239 /* zero all the target handles, since they may change after the 1240 * reset, and we have to rediscover all the targets and use the new 1241 * handles. 1242 */ 1243 for (i = 0; i < sc->sassc->maxtargets; i++) { 1244 if (sc->sassc->targets[i].outstanding != 0) 1245 mpr_dprint(sc, MPR_INIT, "target %u outstanding %u\n", 1246 i, sc->sassc->targets[i].outstanding); 1247 sc->sassc->targets[i].handle = 0x0; 1248 sc->sassc->targets[i].exp_dev_handle = 0x0; 1249 sc->sassc->targets[i].outstanding = 0; 1250 sc->sassc->targets[i].flags = MPRSAS_TARGET_INDIAGRESET; 1251 } 1252 } 1253 static void 1254 mprsas_tm_timeout(void *data) 1255 { 1256 struct mpr_command *tm = data; 1257 struct mpr_softc *sc = tm->cm_sc; 1258 1259 mtx_assert(&sc->mpr_mtx, MA_OWNED); 1260 1261 mprsas_log_command(tm, MPR_INFO|MPR_RECOVERY, "task mgmt %p timed " 1262 "out\n", tm); 1263 mpr_reinit(sc); 1264 } 1265 1266 static void 1267 mprsas_logical_unit_reset_complete(struct mpr_softc *sc, struct mpr_command *tm) 1268 { 1269 MPI2_SCSI_TASK_MANAGE_REPLY *reply; 1270 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 1271 unsigned int cm_count = 0; 1272 struct mpr_command *cm; 1273 struct mprsas_target *targ; 1274 1275 callout_stop(&tm->cm_callout); 1276 1277 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; 1278 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; 1279 targ = tm->cm_targ; 1280 1281 /* 1282 * Currently there should be no way we can hit this case. It only 1283 * happens when we have a failure to allocate chain frames, and 1284 * task management commands don't have S/G lists. 1285 */ 1286 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { 1287 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for LUN reset! " 1288 "This should not happen!\n", __func__, tm->cm_flags); 1289 mprsas_free_tm(sc, tm); 1290 return; 1291 } 1292 1293 if (reply == NULL) { 1294 mprsas_log_command(tm, MPR_RECOVERY, "NULL reset reply for tm " 1295 "%p\n", tm); 1296 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) { 1297 /* this completion was due to a reset, just cleanup */ 1298 targ->tm = NULL; 1299 mprsas_free_tm(sc, tm); 1300 } 1301 else { 1302 /* we should have gotten a reply. */ 1303 mpr_reinit(sc); 1304 } 1305 return; 1306 } 1307 1308 mprsas_log_command(tm, MPR_RECOVERY, 1309 "logical unit reset status 0x%x code 0x%x count %u\n", 1310 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode), 1311 le32toh(reply->TerminationCount)); 1312 1313 /* See if there are any outstanding commands for this LUN. 1314 * This could be made more efficient by using a per-LU data 1315 * structure of some sort. 1316 */ 1317 TAILQ_FOREACH(cm, &targ->commands, cm_link) { 1318 if (cm->cm_lun == tm->cm_lun) 1319 cm_count++; 1320 } 1321 1322 if (cm_count == 0) { 1323 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO, 1324 "logical unit %u finished recovery after reset\n", 1325 tm->cm_lun, tm); 1326 1327 mprsas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid, 1328 tm->cm_lun); 1329 1330 /* we've finished recovery for this logical unit. check and 1331 * see if some other logical unit has a timedout command 1332 * that needs to be processed. 1333 */ 1334 cm = TAILQ_FIRST(&targ->timedout_commands); 1335 if (cm) { 1336 mprsas_send_abort(sc, tm, cm); 1337 } 1338 else { 1339 targ->tm = NULL; 1340 mprsas_free_tm(sc, tm); 1341 } 1342 } 1343 else { 1344 /* if we still have commands for this LUN, the reset 1345 * effectively failed, regardless of the status reported. 1346 * Escalate to a target reset. 1347 */ 1348 mprsas_log_command(tm, MPR_RECOVERY, 1349 "logical unit reset complete for tm %p, but still have %u " 1350 "command(s)\n", tm, cm_count); 1351 mprsas_send_reset(sc, tm, 1352 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET); 1353 } 1354 } 1355 1356 static void 1357 mprsas_target_reset_complete(struct mpr_softc *sc, struct mpr_command *tm) 1358 { 1359 MPI2_SCSI_TASK_MANAGE_REPLY *reply; 1360 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 1361 struct mprsas_target *targ; 1362 1363 callout_stop(&tm->cm_callout); 1364 1365 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; 1366 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; 1367 targ = tm->cm_targ; 1368 1369 /* 1370 * Currently there should be no way we can hit this case. It only 1371 * happens when we have a failure to allocate chain frames, and 1372 * task management commands don't have S/G lists. 1373 */ 1374 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { 1375 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for target " 1376 "reset! This should not happen!\n", __func__, tm->cm_flags); 1377 mprsas_free_tm(sc, tm); 1378 return; 1379 } 1380 1381 if (reply == NULL) { 1382 mprsas_log_command(tm, MPR_RECOVERY, "NULL reset reply for tm " 1383 "%p\n", tm); 1384 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) { 1385 /* this completion was due to a reset, just cleanup */ 1386 targ->tm = NULL; 1387 mprsas_free_tm(sc, tm); 1388 } 1389 else { 1390 /* we should have gotten a reply. */ 1391 mpr_reinit(sc); 1392 } 1393 return; 1394 } 1395 1396 mprsas_log_command(tm, MPR_RECOVERY, 1397 "target reset status 0x%x code 0x%x count %u\n", 1398 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode), 1399 le32toh(reply->TerminationCount)); 1400 1401 if (targ->outstanding == 0) { 1402 /* we've finished recovery for this target and all 1403 * of its logical units. 1404 */ 1405 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO, 1406 "recovery finished after target reset\n"); 1407 1408 mprsas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid, 1409 CAM_LUN_WILDCARD); 1410 1411 targ->tm = NULL; 1412 mprsas_free_tm(sc, tm); 1413 } 1414 else { 1415 /* after a target reset, if this target still has 1416 * outstanding commands, the reset effectively failed, 1417 * regardless of the status reported. escalate. 1418 */ 1419 mprsas_log_command(tm, MPR_RECOVERY, 1420 "target reset complete for tm %p, but still have %u " 1421 "command(s)\n", tm, targ->outstanding); 1422 mpr_reinit(sc); 1423 } 1424 } 1425 1426 #define MPR_RESET_TIMEOUT 30 1427 1428 int 1429 mprsas_send_reset(struct mpr_softc *sc, struct mpr_command *tm, uint8_t type) 1430 { 1431 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 1432 struct mprsas_target *target; 1433 int err; 1434 1435 target = tm->cm_targ; 1436 if (target->handle == 0) { 1437 mpr_dprint(sc, MPR_ERROR, "%s null devhandle for target_id " 1438 "%d\n", __func__, target->tid); 1439 return -1; 1440 } 1441 1442 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; 1443 req->DevHandle = htole16(target->handle); 1444 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; 1445 req->TaskType = type; 1446 1447 if (type == MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET) { 1448 /* XXX Need to handle invalid LUNs */ 1449 MPR_SET_LUN(req->LUN, tm->cm_lun); 1450 tm->cm_targ->logical_unit_resets++; 1451 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO, 1452 "sending logical unit reset\n"); 1453 tm->cm_complete = mprsas_logical_unit_reset_complete; 1454 mprsas_prepare_for_tm(sc, tm, target, tm->cm_lun); 1455 } 1456 else if (type == MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET) { 1457 /* 1458 * Target reset method = 1459 * SAS Hard Link Reset / SATA Link Reset 1460 */ 1461 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET; 1462 tm->cm_targ->target_resets++; 1463 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO, 1464 "sending target reset\n"); 1465 tm->cm_complete = mprsas_target_reset_complete; 1466 mprsas_prepare_for_tm(sc, tm, target, CAM_LUN_WILDCARD); 1467 } 1468 else { 1469 mpr_dprint(sc, MPR_ERROR, "unexpected reset type 0x%x\n", type); 1470 return -1; 1471 } 1472 1473 mpr_dprint(sc, MPR_INFO, "to target %u handle 0x%04x\n", target->tid, 1474 target->handle); 1475 if (target->encl_level_valid) { 1476 mpr_dprint(sc, MPR_INFO, "At enclosure level %d, slot %d, " 1477 "connector name (%4s)\n", target->encl_level, 1478 target->encl_slot, target->connector_name); 1479 } 1480 1481 tm->cm_data = NULL; 1482 tm->cm_desc.HighPriority.RequestFlags = 1483 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; 1484 tm->cm_complete_data = (void *)tm; 1485 1486 callout_reset(&tm->cm_callout, MPR_RESET_TIMEOUT * hz, 1487 mprsas_tm_timeout, tm); 1488 1489 err = mpr_map_command(sc, tm); 1490 if (err) 1491 mprsas_log_command(tm, MPR_RECOVERY, 1492 "error %d sending reset type %u\n", err, type); 1493 1494 return err; 1495 } 1496 1497 1498 static void 1499 mprsas_abort_complete(struct mpr_softc *sc, struct mpr_command *tm) 1500 { 1501 struct mpr_command *cm; 1502 MPI2_SCSI_TASK_MANAGE_REPLY *reply; 1503 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 1504 struct mprsas_target *targ; 1505 1506 callout_stop(&tm->cm_callout); 1507 1508 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; 1509 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; 1510 targ = tm->cm_targ; 1511 1512 /* 1513 * Currently there should be no way we can hit this case. It only 1514 * happens when we have a failure to allocate chain frames, and 1515 * task management commands don't have S/G lists. 1516 */ 1517 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { 1518 mprsas_log_command(tm, MPR_RECOVERY, 1519 "cm_flags = %#x for abort %p TaskMID %u!\n", 1520 tm->cm_flags, tm, le16toh(req->TaskMID)); 1521 mprsas_free_tm(sc, tm); 1522 return; 1523 } 1524 1525 if (reply == NULL) { 1526 mprsas_log_command(tm, MPR_RECOVERY, 1527 "NULL abort reply for tm %p TaskMID %u\n", 1528 tm, le16toh(req->TaskMID)); 1529 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) { 1530 /* this completion was due to a reset, just cleanup */ 1531 targ->tm = NULL; 1532 mprsas_free_tm(sc, tm); 1533 } 1534 else { 1535 /* we should have gotten a reply. */ 1536 mpr_reinit(sc); 1537 } 1538 return; 1539 } 1540 1541 mprsas_log_command(tm, MPR_RECOVERY, 1542 "abort TaskMID %u status 0x%x code 0x%x count %u\n", 1543 le16toh(req->TaskMID), 1544 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode), 1545 le32toh(reply->TerminationCount)); 1546 1547 cm = TAILQ_FIRST(&tm->cm_targ->timedout_commands); 1548 if (cm == NULL) { 1549 /* if there are no more timedout commands, we're done with 1550 * error recovery for this target. 1551 */ 1552 mprsas_log_command(tm, MPR_RECOVERY, 1553 "finished recovery after aborting TaskMID %u\n", 1554 le16toh(req->TaskMID)); 1555 1556 targ->tm = NULL; 1557 mprsas_free_tm(sc, tm); 1558 } 1559 else if (le16toh(req->TaskMID) != cm->cm_desc.Default.SMID) { 1560 /* abort success, but we have more timedout commands to abort */ 1561 mprsas_log_command(tm, MPR_RECOVERY, 1562 "continuing recovery after aborting TaskMID %u\n", 1563 le16toh(req->TaskMID)); 1564 1565 mprsas_send_abort(sc, tm, cm); 1566 } 1567 else { 1568 /* we didn't get a command completion, so the abort 1569 * failed as far as we're concerned. escalate. 1570 */ 1571 mprsas_log_command(tm, MPR_RECOVERY, 1572 "abort failed for TaskMID %u tm %p\n", 1573 le16toh(req->TaskMID), tm); 1574 1575 mprsas_send_reset(sc, tm, 1576 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET); 1577 } 1578 } 1579 1580 #define MPR_ABORT_TIMEOUT 5 1581 1582 static int 1583 mprsas_send_abort(struct mpr_softc *sc, struct mpr_command *tm, 1584 struct mpr_command *cm) 1585 { 1586 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 1587 struct mprsas_target *targ; 1588 int err; 1589 1590 targ = cm->cm_targ; 1591 if (targ->handle == 0) { 1592 mpr_dprint(sc, MPR_ERROR,"%s null devhandle for target_id %d\n", 1593 __func__, cm->cm_ccb->ccb_h.target_id); 1594 return -1; 1595 } 1596 1597 mprsas_log_command(cm, MPR_RECOVERY|MPR_INFO, 1598 "Aborting command %p\n", cm); 1599 1600 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; 1601 req->DevHandle = htole16(targ->handle); 1602 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; 1603 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK; 1604 1605 /* XXX Need to handle invalid LUNs */ 1606 MPR_SET_LUN(req->LUN, cm->cm_ccb->ccb_h.target_lun); 1607 1608 req->TaskMID = htole16(cm->cm_desc.Default.SMID); 1609 1610 tm->cm_data = NULL; 1611 tm->cm_desc.HighPriority.RequestFlags = 1612 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; 1613 tm->cm_complete = mprsas_abort_complete; 1614 tm->cm_complete_data = (void *)tm; 1615 tm->cm_targ = cm->cm_targ; 1616 tm->cm_lun = cm->cm_lun; 1617 1618 callout_reset(&tm->cm_callout, MPR_ABORT_TIMEOUT * hz, 1619 mprsas_tm_timeout, tm); 1620 1621 targ->aborts++; 1622 1623 mpr_dprint(sc, MPR_INFO, "Sending reset from %s for target ID %d\n", 1624 __func__, targ->tid); 1625 mprsas_prepare_for_tm(sc, tm, targ, tm->cm_lun); 1626 1627 err = mpr_map_command(sc, tm); 1628 if (err) 1629 mpr_dprint(sc, MPR_RECOVERY, 1630 "error %d sending abort for cm %p SMID %u\n", 1631 err, cm, req->TaskMID); 1632 return err; 1633 } 1634 1635 static void 1636 mprsas_scsiio_timeout(void *data) 1637 { 1638 struct mpr_softc *sc; 1639 struct mpr_command *cm; 1640 struct mprsas_target *targ; 1641 1642 cm = (struct mpr_command *)data; 1643 sc = cm->cm_sc; 1644 1645 MPR_FUNCTRACE(sc); 1646 mtx_assert(&sc->mpr_mtx, MA_OWNED); 1647 1648 mpr_dprint(sc, MPR_XINFO, "Timeout checking cm %p\n", cm); 1649 1650 /* 1651 * Run the interrupt handler to make sure it's not pending. This 1652 * isn't perfect because the command could have already completed 1653 * and been re-used, though this is unlikely. 1654 */ 1655 mpr_intr_locked(sc); 1656 if (cm->cm_state == MPR_CM_STATE_FREE) { 1657 mprsas_log_command(cm, MPR_XINFO, 1658 "SCSI command %p almost timed out\n", cm); 1659 return; 1660 } 1661 1662 if (cm->cm_ccb == NULL) { 1663 mpr_dprint(sc, MPR_ERROR, "command timeout with NULL ccb\n"); 1664 return; 1665 } 1666 1667 targ = cm->cm_targ; 1668 targ->timeouts++; 1669 1670 mprsas_log_command(cm, MPR_ERROR, "command timeout %d cm %p target " 1671 "%u, handle(0x%04x)\n", cm->cm_ccb->ccb_h.timeout, cm, targ->tid, 1672 targ->handle); 1673 if (targ->encl_level_valid) { 1674 mpr_dprint(sc, MPR_ERROR, "At enclosure level %d, slot %d, " 1675 "connector name (%4s)\n", targ->encl_level, targ->encl_slot, 1676 targ->connector_name); 1677 } 1678 1679 /* XXX first, check the firmware state, to see if it's still 1680 * operational. if not, do a diag reset. 1681 */ 1682 mprsas_set_ccbstatus(cm->cm_ccb, CAM_CMD_TIMEOUT); 1683 cm->cm_state = MPR_CM_STATE_TIMEDOUT; 1684 TAILQ_INSERT_TAIL(&targ->timedout_commands, cm, cm_recovery); 1685 1686 if (targ->tm != NULL) { 1687 /* target already in recovery, just queue up another 1688 * timedout command to be processed later. 1689 */ 1690 mpr_dprint(sc, MPR_RECOVERY, "queued timedout cm %p for " 1691 "processing by tm %p\n", cm, targ->tm); 1692 } 1693 else if ((targ->tm = mprsas_alloc_tm(sc)) != NULL) { 1694 mpr_dprint(sc, MPR_RECOVERY, "timedout cm %p allocated tm %p\n", 1695 cm, targ->tm); 1696 1697 /* start recovery by aborting the first timedout command */ 1698 mprsas_send_abort(sc, targ->tm, cm); 1699 } 1700 else { 1701 /* XXX queue this target up for recovery once a TM becomes 1702 * available. The firmware only has a limited number of 1703 * HighPriority credits for the high priority requests used 1704 * for task management, and we ran out. 1705 * 1706 * Isilon: don't worry about this for now, since we have 1707 * more credits than disks in an enclosure, and limit 1708 * ourselves to one TM per target for recovery. 1709 */ 1710 mpr_dprint(sc, MPR_RECOVERY, "timedout cm %p failed to " 1711 "allocate a tm\n", cm); 1712 } 1713 } 1714 1715 /** 1716 * mprsas_build_nvme_unmap - Build Native NVMe DSM command equivalent 1717 * to SCSI Unmap. 1718 * Return 0 - for success, 1719 * 1 - to immediately return back the command with success status to CAM 1720 * negative value - to fallback to firmware path i.e. issue scsi unmap 1721 * to FW without any translation. 1722 */ 1723 static int 1724 mprsas_build_nvme_unmap(struct mpr_softc *sc, struct mpr_command *cm, 1725 union ccb *ccb, struct mprsas_target *targ) 1726 { 1727 Mpi26NVMeEncapsulatedRequest_t *req = NULL; 1728 struct ccb_scsiio *csio; 1729 struct unmap_parm_list *plist; 1730 struct nvme_dsm_range *nvme_dsm_ranges = NULL; 1731 struct nvme_command *c; 1732 int i, res; 1733 uint16_t ndesc, list_len, data_length; 1734 struct mpr_prp_page *prp_page_info; 1735 uint64_t nvme_dsm_ranges_dma_handle; 1736 1737 csio = &ccb->csio; 1738 #if __FreeBSD_version >= 1100103 1739 list_len = (scsiio_cdb_ptr(csio)[7] << 8 | scsiio_cdb_ptr(csio)[8]); 1740 #else 1741 if (csio->ccb_h.flags & CAM_CDB_POINTER) { 1742 list_len = (ccb->csio.cdb_io.cdb_ptr[7] << 8 | 1743 ccb->csio.cdb_io.cdb_ptr[8]); 1744 } else { 1745 list_len = (ccb->csio.cdb_io.cdb_bytes[7] << 8 | 1746 ccb->csio.cdb_io.cdb_bytes[8]); 1747 } 1748 #endif 1749 if (!list_len) { 1750 mpr_dprint(sc, MPR_ERROR, "Parameter list length is Zero\n"); 1751 return -EINVAL; 1752 } 1753 1754 plist = malloc(csio->dxfer_len, M_MPR, M_ZERO|M_NOWAIT); 1755 if (!plist) { 1756 mpr_dprint(sc, MPR_ERROR, "Unable to allocate memory to " 1757 "save UNMAP data\n"); 1758 return -ENOMEM; 1759 } 1760 1761 /* Copy SCSI unmap data to a local buffer */ 1762 bcopy(csio->data_ptr, plist, csio->dxfer_len); 1763 1764 /* return back the unmap command to CAM with success status, 1765 * if number of descripts is zero. 1766 */ 1767 ndesc = be16toh(plist->unmap_blk_desc_data_len) >> 4; 1768 if (!ndesc) { 1769 mpr_dprint(sc, MPR_XINFO, "Number of descriptors in " 1770 "UNMAP cmd is Zero\n"); 1771 res = 1; 1772 goto out; 1773 } 1774 1775 data_length = ndesc * sizeof(struct nvme_dsm_range); 1776 if (data_length > targ->MDTS) { 1777 mpr_dprint(sc, MPR_ERROR, "data length: %d is greater than " 1778 "Device's MDTS: %d\n", data_length, targ->MDTS); 1779 res = -EINVAL; 1780 goto out; 1781 } 1782 1783 prp_page_info = mpr_alloc_prp_page(sc); 1784 KASSERT(prp_page_info != NULL, ("%s: There is no PRP Page for " 1785 "UNMAP command.\n", __func__)); 1786 1787 /* 1788 * Insert the allocated PRP page into the command's PRP page list. This 1789 * will be freed when the command is freed. 1790 */ 1791 TAILQ_INSERT_TAIL(&cm->cm_prp_page_list, prp_page_info, prp_page_link); 1792 1793 nvme_dsm_ranges = (struct nvme_dsm_range *)prp_page_info->prp_page; 1794 nvme_dsm_ranges_dma_handle = prp_page_info->prp_page_busaddr; 1795 1796 bzero(nvme_dsm_ranges, data_length); 1797 1798 /* Convert SCSI unmap's descriptor data to NVMe DSM specific Range data 1799 * for each descriptors contained in SCSI UNMAP data. 1800 */ 1801 for (i = 0; i < ndesc; i++) { 1802 nvme_dsm_ranges[i].length = 1803 htole32(be32toh(plist->desc[i].nlb)); 1804 nvme_dsm_ranges[i].starting_lba = 1805 htole64(be64toh(plist->desc[i].slba)); 1806 nvme_dsm_ranges[i].attributes = 0; 1807 } 1808 1809 /* Build MPI2.6's NVMe Encapsulated Request Message */ 1810 req = (Mpi26NVMeEncapsulatedRequest_t *)cm->cm_req; 1811 bzero(req, sizeof(*req)); 1812 req->DevHandle = htole16(targ->handle); 1813 req->Function = MPI2_FUNCTION_NVME_ENCAPSULATED; 1814 req->Flags = MPI26_NVME_FLAGS_WRITE; 1815 req->ErrorResponseBaseAddress.High = 1816 htole32((uint32_t)((uint64_t)cm->cm_sense_busaddr >> 32)); 1817 req->ErrorResponseBaseAddress.Low = 1818 htole32(cm->cm_sense_busaddr); 1819 req->ErrorResponseAllocationLength = 1820 htole16(sizeof(struct nvme_completion)); 1821 req->EncapsulatedCommandLength = 1822 htole16(sizeof(struct nvme_command)); 1823 req->DataLength = htole32(data_length); 1824 1825 /* Build NVMe DSM command */ 1826 c = (struct nvme_command *) req->NVMe_Command; 1827 c->opc = NVME_OPC_DATASET_MANAGEMENT; 1828 c->nsid = htole32(csio->ccb_h.target_lun + 1); 1829 c->cdw10 = htole32(ndesc - 1); 1830 c->cdw11 = htole32(NVME_DSM_ATTR_DEALLOCATE); 1831 1832 cm->cm_length = data_length; 1833 cm->cm_data = NULL; 1834 1835 cm->cm_complete = mprsas_scsiio_complete; 1836 cm->cm_complete_data = ccb; 1837 cm->cm_targ = targ; 1838 cm->cm_lun = csio->ccb_h.target_lun; 1839 cm->cm_ccb = ccb; 1840 1841 cm->cm_desc.Default.RequestFlags = 1842 MPI26_REQ_DESCRIPT_FLAGS_PCIE_ENCAPSULATED; 1843 1844 #if __FreeBSD_version >= 1000029 1845 callout_reset_sbt(&cm->cm_callout, SBT_1MS * ccb->ccb_h.timeout, 0, 1846 mprsas_scsiio_timeout, cm, 0); 1847 #else //__FreeBSD_version < 1000029 1848 callout_reset(&cm->cm_callout, (ccb->ccb_h.timeout * hz) / 1000, 1849 mprsas_scsiio_timeout, cm); 1850 #endif //__FreeBSD_version >= 1000029 1851 1852 targ->issued++; 1853 targ->outstanding++; 1854 TAILQ_INSERT_TAIL(&targ->commands, cm, cm_link); 1855 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1856 1857 mprsas_log_command(cm, MPR_XINFO, "%s cm %p ccb %p outstanding %u\n", 1858 __func__, cm, ccb, targ->outstanding); 1859 1860 mpr_build_nvme_prp(sc, cm, req, 1861 (void *)(uintptr_t)nvme_dsm_ranges_dma_handle, 0, data_length); 1862 mpr_map_command(sc, cm); 1863 1864 out: 1865 free(plist, M_MPR); 1866 return 0; 1867 } 1868 1869 static void 1870 mprsas_action_scsiio(struct mprsas_softc *sassc, union ccb *ccb) 1871 { 1872 MPI2_SCSI_IO_REQUEST *req; 1873 struct ccb_scsiio *csio; 1874 struct mpr_softc *sc; 1875 struct mprsas_target *targ; 1876 struct mprsas_lun *lun; 1877 struct mpr_command *cm; 1878 uint8_t i, lba_byte, *ref_tag_addr, scsi_opcode; 1879 uint16_t eedp_flags; 1880 uint32_t mpi_control; 1881 int rc; 1882 1883 sc = sassc->sc; 1884 MPR_FUNCTRACE(sc); 1885 mtx_assert(&sc->mpr_mtx, MA_OWNED); 1886 1887 csio = &ccb->csio; 1888 KASSERT(csio->ccb_h.target_id < sassc->maxtargets, 1889 ("Target %d out of bounds in XPT_SCSI_IO\n", 1890 csio->ccb_h.target_id)); 1891 targ = &sassc->targets[csio->ccb_h.target_id]; 1892 mpr_dprint(sc, MPR_TRACE, "ccb %p target flag %x\n", ccb, targ->flags); 1893 if (targ->handle == 0x0) { 1894 mpr_dprint(sc, MPR_ERROR, "%s NULL handle for target %u\n", 1895 __func__, csio->ccb_h.target_id); 1896 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 1897 xpt_done(ccb); 1898 return; 1899 } 1900 if (targ->flags & MPR_TARGET_FLAGS_RAID_COMPONENT) { 1901 mpr_dprint(sc, MPR_ERROR, "%s Raid component no SCSI IO " 1902 "supported %u\n", __func__, csio->ccb_h.target_id); 1903 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 1904 xpt_done(ccb); 1905 return; 1906 } 1907 /* 1908 * Sometimes, it is possible to get a command that is not "In 1909 * Progress" and was actually aborted by the upper layer. Check for 1910 * this here and complete the command without error. 1911 */ 1912 if (mprsas_get_ccbstatus(ccb) != CAM_REQ_INPROG) { 1913 mpr_dprint(sc, MPR_TRACE, "%s Command is not in progress for " 1914 "target %u\n", __func__, csio->ccb_h.target_id); 1915 xpt_done(ccb); 1916 return; 1917 } 1918 /* 1919 * If devinfo is 0 this will be a volume. In that case don't tell CAM 1920 * that the volume has timed out. We want volumes to be enumerated 1921 * until they are deleted/removed, not just failed. 1922 */ 1923 if (targ->flags & MPRSAS_TARGET_INREMOVAL) { 1924 if (targ->devinfo == 0) 1925 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 1926 else 1927 mprsas_set_ccbstatus(ccb, CAM_SEL_TIMEOUT); 1928 xpt_done(ccb); 1929 return; 1930 } 1931 1932 if ((sc->mpr_flags & MPR_FLAGS_SHUTDOWN) != 0) { 1933 mpr_dprint(sc, MPR_INFO, "%s shutting down\n", __func__); 1934 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 1935 xpt_done(ccb); 1936 return; 1937 } 1938 1939 /* 1940 * If target has a reset in progress, freeze the devq and return. The 1941 * devq will be released when the TM reset is finished. 1942 */ 1943 if (targ->flags & MPRSAS_TARGET_INRESET) { 1944 ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN; 1945 mpr_dprint(sc, MPR_INFO, "%s: Freezing devq for target ID %d\n", 1946 __func__, targ->tid); 1947 xpt_freeze_devq(ccb->ccb_h.path, 1); 1948 xpt_done(ccb); 1949 return; 1950 } 1951 1952 cm = mpr_alloc_command(sc); 1953 if (cm == NULL || (sc->mpr_flags & MPR_FLAGS_DIAGRESET)) { 1954 if (cm != NULL) { 1955 mpr_free_command(sc, cm); 1956 } 1957 if ((sassc->flags & MPRSAS_QUEUE_FROZEN) == 0) { 1958 xpt_freeze_simq(sassc->sim, 1); 1959 sassc->flags |= MPRSAS_QUEUE_FROZEN; 1960 } 1961 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1962 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1963 xpt_done(ccb); 1964 return; 1965 } 1966 1967 /* For NVME device's issue UNMAP command directly to NVME drives by 1968 * constructing equivalent native NVMe DataSetManagement command. 1969 */ 1970 #if __FreeBSD_version >= 1100103 1971 scsi_opcode = scsiio_cdb_ptr(csio)[0]; 1972 #else 1973 if (csio->ccb_h.flags & CAM_CDB_POINTER) 1974 scsi_opcode = csio->cdb_io.cdb_ptr[0]; 1975 else 1976 scsi_opcode = csio->cdb_io.cdb_bytes[0]; 1977 #endif 1978 if (scsi_opcode == UNMAP && 1979 targ->is_nvme && 1980 (csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) { 1981 rc = mprsas_build_nvme_unmap(sc, cm, ccb, targ); 1982 if (rc == 1) { /* return command to CAM with success status */ 1983 mpr_free_command(sc, cm); 1984 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 1985 xpt_done(ccb); 1986 return; 1987 } else if (!rc) /* Issued NVMe Encapsulated Request Message */ 1988 return; 1989 } 1990 1991 req = (MPI2_SCSI_IO_REQUEST *)cm->cm_req; 1992 bzero(req, sizeof(*req)); 1993 req->DevHandle = htole16(targ->handle); 1994 req->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; 1995 req->MsgFlags = 0; 1996 req->SenseBufferLowAddress = htole32(cm->cm_sense_busaddr); 1997 req->SenseBufferLength = MPR_SENSE_LEN; 1998 req->SGLFlags = 0; 1999 req->ChainOffset = 0; 2000 req->SGLOffset0 = 24; /* 32bit word offset to the SGL */ 2001 req->SGLOffset1= 0; 2002 req->SGLOffset2= 0; 2003 req->SGLOffset3= 0; 2004 req->SkipCount = 0; 2005 req->DataLength = htole32(csio->dxfer_len); 2006 req->BidirectionalDataLength = 0; 2007 req->IoFlags = htole16(csio->cdb_len); 2008 req->EEDPFlags = 0; 2009 2010 /* Note: BiDirectional transfers are not supported */ 2011 switch (csio->ccb_h.flags & CAM_DIR_MASK) { 2012 case CAM_DIR_IN: 2013 mpi_control = MPI2_SCSIIO_CONTROL_READ; 2014 cm->cm_flags |= MPR_CM_FLAGS_DATAIN; 2015 break; 2016 case CAM_DIR_OUT: 2017 mpi_control = MPI2_SCSIIO_CONTROL_WRITE; 2018 cm->cm_flags |= MPR_CM_FLAGS_DATAOUT; 2019 break; 2020 case CAM_DIR_NONE: 2021 default: 2022 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER; 2023 break; 2024 } 2025 2026 if (csio->cdb_len == 32) 2027 mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT; 2028 /* 2029 * It looks like the hardware doesn't require an explicit tag 2030 * number for each transaction. SAM Task Management not supported 2031 * at the moment. 2032 */ 2033 switch (csio->tag_action) { 2034 case MSG_HEAD_OF_Q_TAG: 2035 mpi_control |= MPI2_SCSIIO_CONTROL_HEADOFQ; 2036 break; 2037 case MSG_ORDERED_Q_TAG: 2038 mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ; 2039 break; 2040 case MSG_ACA_TASK: 2041 mpi_control |= MPI2_SCSIIO_CONTROL_ACAQ; 2042 break; 2043 case CAM_TAG_ACTION_NONE: 2044 case MSG_SIMPLE_Q_TAG: 2045 default: 2046 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; 2047 break; 2048 } 2049 mpi_control |= sc->mapping_table[csio->ccb_h.target_id].TLR_bits; 2050 req->Control = htole32(mpi_control); 2051 2052 if (MPR_SET_LUN(req->LUN, csio->ccb_h.target_lun) != 0) { 2053 mpr_free_command(sc, cm); 2054 mprsas_set_ccbstatus(ccb, CAM_LUN_INVALID); 2055 xpt_done(ccb); 2056 return; 2057 } 2058 2059 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2060 bcopy(csio->cdb_io.cdb_ptr, &req->CDB.CDB32[0], csio->cdb_len); 2061 else { 2062 KASSERT(csio->cdb_len <= IOCDBLEN, 2063 ("cdb_len %d is greater than IOCDBLEN but CAM_CDB_POINTER " 2064 "is not set", csio->cdb_len)); 2065 bcopy(csio->cdb_io.cdb_bytes, &req->CDB.CDB32[0],csio->cdb_len); 2066 } 2067 req->IoFlags = htole16(csio->cdb_len); 2068 2069 /* 2070 * Check if EEDP is supported and enabled. If it is then check if the 2071 * SCSI opcode could be using EEDP. If so, make sure the LUN exists and 2072 * is formatted for EEDP support. If all of this is true, set CDB up 2073 * for EEDP transfer. 2074 */ 2075 eedp_flags = op_code_prot[req->CDB.CDB32[0]]; 2076 if (sc->eedp_enabled && eedp_flags) { 2077 SLIST_FOREACH(lun, &targ->luns, lun_link) { 2078 if (lun->lun_id == csio->ccb_h.target_lun) { 2079 break; 2080 } 2081 } 2082 2083 if ((lun != NULL) && (lun->eedp_formatted)) { 2084 req->EEDPBlockSize = htole16(lun->eedp_block_size); 2085 eedp_flags |= (MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | 2086 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | 2087 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD); 2088 if (sc->mpr_flags & MPR_FLAGS_GEN35_IOC) { 2089 eedp_flags |= 2090 MPI25_SCSIIO_EEDPFLAGS_APPTAG_DISABLE_MODE; 2091 } 2092 req->EEDPFlags = htole16(eedp_flags); 2093 2094 /* 2095 * If CDB less than 32, fill in Primary Ref Tag with 2096 * low 4 bytes of LBA. If CDB is 32, tag stuff is 2097 * already there. Also, set protection bit. FreeBSD 2098 * currently does not support CDBs bigger than 16, but 2099 * the code doesn't hurt, and will be here for the 2100 * future. 2101 */ 2102 if (csio->cdb_len != 32) { 2103 lba_byte = (csio->cdb_len == 16) ? 6 : 2; 2104 ref_tag_addr = (uint8_t *)&req->CDB.EEDP32. 2105 PrimaryReferenceTag; 2106 for (i = 0; i < 4; i++) { 2107 *ref_tag_addr = 2108 req->CDB.CDB32[lba_byte + i]; 2109 ref_tag_addr++; 2110 } 2111 req->CDB.EEDP32.PrimaryReferenceTag = 2112 htole32(req-> 2113 CDB.EEDP32.PrimaryReferenceTag); 2114 req->CDB.EEDP32.PrimaryApplicationTagMask = 2115 0xFFFF; 2116 req->CDB.CDB32[1] = 2117 (req->CDB.CDB32[1] & 0x1F) | 0x20; 2118 } else { 2119 eedp_flags |= 2120 MPI2_SCSIIO_EEDPFLAGS_INC_PRI_APPTAG; 2121 req->EEDPFlags = htole16(eedp_flags); 2122 req->CDB.CDB32[10] = (req->CDB.CDB32[10] & 2123 0x1F) | 0x20; 2124 } 2125 } 2126 } 2127 2128 cm->cm_length = csio->dxfer_len; 2129 if (cm->cm_length != 0) { 2130 cm->cm_data = ccb; 2131 cm->cm_flags |= MPR_CM_FLAGS_USE_CCB; 2132 } else { 2133 cm->cm_data = NULL; 2134 } 2135 cm->cm_sge = &req->SGL; 2136 cm->cm_sglsize = (32 - 24) * 4; 2137 cm->cm_complete = mprsas_scsiio_complete; 2138 cm->cm_complete_data = ccb; 2139 cm->cm_targ = targ; 2140 cm->cm_lun = csio->ccb_h.target_lun; 2141 cm->cm_ccb = ccb; 2142 /* 2143 * If using FP desc type, need to set a bit in IoFlags (SCSI IO is 0) 2144 * and set descriptor type. 2145 */ 2146 if (targ->scsi_req_desc_type == 2147 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO) { 2148 req->IoFlags |= MPI25_SCSIIO_IOFLAGS_FAST_PATH; 2149 cm->cm_desc.FastPathSCSIIO.RequestFlags = 2150 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO; 2151 if (!sc->atomic_desc_capable) { 2152 cm->cm_desc.FastPathSCSIIO.DevHandle = 2153 htole16(targ->handle); 2154 } 2155 } else { 2156 cm->cm_desc.SCSIIO.RequestFlags = 2157 MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO; 2158 if (!sc->atomic_desc_capable) 2159 cm->cm_desc.SCSIIO.DevHandle = htole16(targ->handle); 2160 } 2161 2162 #if __FreeBSD_version >= 1000029 2163 callout_reset_sbt(&cm->cm_callout, SBT_1MS * ccb->ccb_h.timeout, 0, 2164 mprsas_scsiio_timeout, cm, 0); 2165 #else //__FreeBSD_version < 1000029 2166 callout_reset(&cm->cm_callout, (ccb->ccb_h.timeout * hz) / 1000, 2167 mprsas_scsiio_timeout, cm); 2168 #endif //__FreeBSD_version >= 1000029 2169 2170 targ->issued++; 2171 targ->outstanding++; 2172 TAILQ_INSERT_TAIL(&targ->commands, cm, cm_link); 2173 ccb->ccb_h.status |= CAM_SIM_QUEUED; 2174 2175 mprsas_log_command(cm, MPR_XINFO, "%s cm %p ccb %p outstanding %u\n", 2176 __func__, cm, ccb, targ->outstanding); 2177 2178 mpr_map_command(sc, cm); 2179 return; 2180 } 2181 2182 static void 2183 mpr_response_code(struct mpr_softc *sc, u8 response_code) 2184 { 2185 char *desc; 2186 2187 switch (response_code) { 2188 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: 2189 desc = "task management request completed"; 2190 break; 2191 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: 2192 desc = "invalid frame"; 2193 break; 2194 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: 2195 desc = "task management request not supported"; 2196 break; 2197 case MPI2_SCSITASKMGMT_RSP_TM_FAILED: 2198 desc = "task management request failed"; 2199 break; 2200 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: 2201 desc = "task management request succeeded"; 2202 break; 2203 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: 2204 desc = "invalid lun"; 2205 break; 2206 case 0xA: 2207 desc = "overlapped tag attempted"; 2208 break; 2209 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: 2210 desc = "task queued, however not sent to target"; 2211 break; 2212 default: 2213 desc = "unknown"; 2214 break; 2215 } 2216 mpr_dprint(sc, MPR_XINFO, "response_code(0x%01x): %s\n", response_code, 2217 desc); 2218 } 2219 2220 /** 2221 * mpr_sc_failed_io_info - translated non-succesfull SCSI_IO request 2222 */ 2223 static void 2224 mpr_sc_failed_io_info(struct mpr_softc *sc, struct ccb_scsiio *csio, 2225 Mpi2SCSIIOReply_t *mpi_reply, struct mprsas_target *targ) 2226 { 2227 u32 response_info; 2228 u8 *response_bytes; 2229 u16 ioc_status = le16toh(mpi_reply->IOCStatus) & 2230 MPI2_IOCSTATUS_MASK; 2231 u8 scsi_state = mpi_reply->SCSIState; 2232 u8 scsi_status = mpi_reply->SCSIStatus; 2233 char *desc_ioc_state = NULL; 2234 char *desc_scsi_status = NULL; 2235 char *desc_scsi_state = sc->tmp_string; 2236 u32 log_info = le32toh(mpi_reply->IOCLogInfo); 2237 2238 if (log_info == 0x31170000) 2239 return; 2240 2241 switch (ioc_status) { 2242 case MPI2_IOCSTATUS_SUCCESS: 2243 desc_ioc_state = "success"; 2244 break; 2245 case MPI2_IOCSTATUS_INVALID_FUNCTION: 2246 desc_ioc_state = "invalid function"; 2247 break; 2248 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: 2249 desc_ioc_state = "scsi recovered error"; 2250 break; 2251 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: 2252 desc_ioc_state = "scsi invalid dev handle"; 2253 break; 2254 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 2255 desc_ioc_state = "scsi device not there"; 2256 break; 2257 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: 2258 desc_ioc_state = "scsi data overrun"; 2259 break; 2260 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: 2261 desc_ioc_state = "scsi data underrun"; 2262 break; 2263 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: 2264 desc_ioc_state = "scsi io data error"; 2265 break; 2266 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: 2267 desc_ioc_state = "scsi protocol error"; 2268 break; 2269 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: 2270 desc_ioc_state = "scsi task terminated"; 2271 break; 2272 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 2273 desc_ioc_state = "scsi residual mismatch"; 2274 break; 2275 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 2276 desc_ioc_state = "scsi task mgmt failed"; 2277 break; 2278 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: 2279 desc_ioc_state = "scsi ioc terminated"; 2280 break; 2281 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: 2282 desc_ioc_state = "scsi ext terminated"; 2283 break; 2284 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: 2285 desc_ioc_state = "eedp guard error"; 2286 break; 2287 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: 2288 desc_ioc_state = "eedp ref tag error"; 2289 break; 2290 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: 2291 desc_ioc_state = "eedp app tag error"; 2292 break; 2293 case MPI2_IOCSTATUS_INSUFFICIENT_POWER: 2294 desc_ioc_state = "insufficient power"; 2295 break; 2296 default: 2297 desc_ioc_state = "unknown"; 2298 break; 2299 } 2300 2301 switch (scsi_status) { 2302 case MPI2_SCSI_STATUS_GOOD: 2303 desc_scsi_status = "good"; 2304 break; 2305 case MPI2_SCSI_STATUS_CHECK_CONDITION: 2306 desc_scsi_status = "check condition"; 2307 break; 2308 case MPI2_SCSI_STATUS_CONDITION_MET: 2309 desc_scsi_status = "condition met"; 2310 break; 2311 case MPI2_SCSI_STATUS_BUSY: 2312 desc_scsi_status = "busy"; 2313 break; 2314 case MPI2_SCSI_STATUS_INTERMEDIATE: 2315 desc_scsi_status = "intermediate"; 2316 break; 2317 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET: 2318 desc_scsi_status = "intermediate condmet"; 2319 break; 2320 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT: 2321 desc_scsi_status = "reservation conflict"; 2322 break; 2323 case MPI2_SCSI_STATUS_COMMAND_TERMINATED: 2324 desc_scsi_status = "command terminated"; 2325 break; 2326 case MPI2_SCSI_STATUS_TASK_SET_FULL: 2327 desc_scsi_status = "task set full"; 2328 break; 2329 case MPI2_SCSI_STATUS_ACA_ACTIVE: 2330 desc_scsi_status = "aca active"; 2331 break; 2332 case MPI2_SCSI_STATUS_TASK_ABORTED: 2333 desc_scsi_status = "task aborted"; 2334 break; 2335 default: 2336 desc_scsi_status = "unknown"; 2337 break; 2338 } 2339 2340 desc_scsi_state[0] = '\0'; 2341 if (!scsi_state) 2342 desc_scsi_state = " "; 2343 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) 2344 strcat(desc_scsi_state, "response info "); 2345 if (scsi_state & MPI2_SCSI_STATE_TERMINATED) 2346 strcat(desc_scsi_state, "state terminated "); 2347 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS) 2348 strcat(desc_scsi_state, "no status "); 2349 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED) 2350 strcat(desc_scsi_state, "autosense failed "); 2351 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) 2352 strcat(desc_scsi_state, "autosense valid "); 2353 2354 mpr_dprint(sc, MPR_XINFO, "\thandle(0x%04x), ioc_status(%s)(0x%04x)\n", 2355 le16toh(mpi_reply->DevHandle), desc_ioc_state, ioc_status); 2356 if (targ->encl_level_valid) { 2357 mpr_dprint(sc, MPR_XINFO, "At enclosure level %d, slot %d, " 2358 "connector name (%4s)\n", targ->encl_level, targ->encl_slot, 2359 targ->connector_name); 2360 } 2361 /* We can add more detail about underflow data here 2362 * TO-DO 2363 * */ 2364 mpr_dprint(sc, MPR_XINFO, "\tscsi_status(%s)(0x%02x), " 2365 "scsi_state(%s)(0x%02x)\n", desc_scsi_status, scsi_status, 2366 desc_scsi_state, scsi_state); 2367 2368 if (sc->mpr_debug & MPR_XINFO && 2369 scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { 2370 mpr_dprint(sc, MPR_XINFO, "-> Sense Buffer Data : Start :\n"); 2371 scsi_sense_print(csio); 2372 mpr_dprint(sc, MPR_XINFO, "-> Sense Buffer Data : End :\n"); 2373 } 2374 2375 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) { 2376 response_info = le32toh(mpi_reply->ResponseInfo); 2377 response_bytes = (u8 *)&response_info; 2378 mpr_response_code(sc,response_bytes[0]); 2379 } 2380 } 2381 2382 /** mprsas_nvme_trans_status_code 2383 * 2384 * Convert Native NVMe command error status to 2385 * equivalent SCSI error status. 2386 * 2387 * Returns appropriate scsi_status 2388 */ 2389 static u8 2390 mprsas_nvme_trans_status_code(struct nvme_status nvme_status, 2391 struct mpr_command *cm) 2392 { 2393 u8 status = MPI2_SCSI_STATUS_GOOD; 2394 int skey, asc, ascq; 2395 union ccb *ccb = cm->cm_complete_data; 2396 int returned_sense_len; 2397 2398 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2399 skey = SSD_KEY_ILLEGAL_REQUEST; 2400 asc = SCSI_ASC_NO_SENSE; 2401 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2402 2403 switch (nvme_status.sct) { 2404 case NVME_SCT_GENERIC: 2405 switch (nvme_status.sc) { 2406 case NVME_SC_SUCCESS: 2407 status = MPI2_SCSI_STATUS_GOOD; 2408 skey = SSD_KEY_NO_SENSE; 2409 asc = SCSI_ASC_NO_SENSE; 2410 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2411 break; 2412 case NVME_SC_INVALID_OPCODE: 2413 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2414 skey = SSD_KEY_ILLEGAL_REQUEST; 2415 asc = SCSI_ASC_ILLEGAL_COMMAND; 2416 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2417 break; 2418 case NVME_SC_INVALID_FIELD: 2419 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2420 skey = SSD_KEY_ILLEGAL_REQUEST; 2421 asc = SCSI_ASC_INVALID_CDB; 2422 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2423 break; 2424 case NVME_SC_DATA_TRANSFER_ERROR: 2425 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2426 skey = SSD_KEY_MEDIUM_ERROR; 2427 asc = SCSI_ASC_NO_SENSE; 2428 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2429 break; 2430 case NVME_SC_ABORTED_POWER_LOSS: 2431 status = MPI2_SCSI_STATUS_TASK_ABORTED; 2432 skey = SSD_KEY_ABORTED_COMMAND; 2433 asc = SCSI_ASC_WARNING; 2434 ascq = SCSI_ASCQ_POWER_LOSS_EXPECTED; 2435 break; 2436 case NVME_SC_INTERNAL_DEVICE_ERROR: 2437 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2438 skey = SSD_KEY_HARDWARE_ERROR; 2439 asc = SCSI_ASC_INTERNAL_TARGET_FAILURE; 2440 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2441 break; 2442 case NVME_SC_ABORTED_BY_REQUEST: 2443 case NVME_SC_ABORTED_SQ_DELETION: 2444 case NVME_SC_ABORTED_FAILED_FUSED: 2445 case NVME_SC_ABORTED_MISSING_FUSED: 2446 status = MPI2_SCSI_STATUS_TASK_ABORTED; 2447 skey = SSD_KEY_ABORTED_COMMAND; 2448 asc = SCSI_ASC_NO_SENSE; 2449 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2450 break; 2451 case NVME_SC_INVALID_NAMESPACE_OR_FORMAT: 2452 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2453 skey = SSD_KEY_ILLEGAL_REQUEST; 2454 asc = SCSI_ASC_ACCESS_DENIED_INVALID_LUN_ID; 2455 ascq = SCSI_ASCQ_INVALID_LUN_ID; 2456 break; 2457 case NVME_SC_LBA_OUT_OF_RANGE: 2458 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2459 skey = SSD_KEY_ILLEGAL_REQUEST; 2460 asc = SCSI_ASC_ILLEGAL_BLOCK; 2461 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2462 break; 2463 case NVME_SC_CAPACITY_EXCEEDED: 2464 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2465 skey = SSD_KEY_MEDIUM_ERROR; 2466 asc = SCSI_ASC_NO_SENSE; 2467 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2468 break; 2469 case NVME_SC_NAMESPACE_NOT_READY: 2470 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2471 skey = SSD_KEY_NOT_READY; 2472 asc = SCSI_ASC_LUN_NOT_READY; 2473 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2474 break; 2475 } 2476 break; 2477 case NVME_SCT_COMMAND_SPECIFIC: 2478 switch (nvme_status.sc) { 2479 case NVME_SC_INVALID_FORMAT: 2480 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2481 skey = SSD_KEY_ILLEGAL_REQUEST; 2482 asc = SCSI_ASC_FORMAT_COMMAND_FAILED; 2483 ascq = SCSI_ASCQ_FORMAT_COMMAND_FAILED; 2484 break; 2485 case NVME_SC_CONFLICTING_ATTRIBUTES: 2486 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2487 skey = SSD_KEY_ILLEGAL_REQUEST; 2488 asc = SCSI_ASC_INVALID_CDB; 2489 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2490 break; 2491 } 2492 break; 2493 case NVME_SCT_MEDIA_ERROR: 2494 switch (nvme_status.sc) { 2495 case NVME_SC_WRITE_FAULTS: 2496 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2497 skey = SSD_KEY_MEDIUM_ERROR; 2498 asc = SCSI_ASC_PERIPHERAL_DEV_WRITE_FAULT; 2499 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2500 break; 2501 case NVME_SC_UNRECOVERED_READ_ERROR: 2502 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2503 skey = SSD_KEY_MEDIUM_ERROR; 2504 asc = SCSI_ASC_UNRECOVERED_READ_ERROR; 2505 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2506 break; 2507 case NVME_SC_GUARD_CHECK_ERROR: 2508 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2509 skey = SSD_KEY_MEDIUM_ERROR; 2510 asc = SCSI_ASC_LOG_BLOCK_GUARD_CHECK_FAILED; 2511 ascq = SCSI_ASCQ_LOG_BLOCK_GUARD_CHECK_FAILED; 2512 break; 2513 case NVME_SC_APPLICATION_TAG_CHECK_ERROR: 2514 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2515 skey = SSD_KEY_MEDIUM_ERROR; 2516 asc = SCSI_ASC_LOG_BLOCK_APPTAG_CHECK_FAILED; 2517 ascq = SCSI_ASCQ_LOG_BLOCK_APPTAG_CHECK_FAILED; 2518 break; 2519 case NVME_SC_REFERENCE_TAG_CHECK_ERROR: 2520 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2521 skey = SSD_KEY_MEDIUM_ERROR; 2522 asc = SCSI_ASC_LOG_BLOCK_REFTAG_CHECK_FAILED; 2523 ascq = SCSI_ASCQ_LOG_BLOCK_REFTAG_CHECK_FAILED; 2524 break; 2525 case NVME_SC_COMPARE_FAILURE: 2526 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2527 skey = SSD_KEY_MISCOMPARE; 2528 asc = SCSI_ASC_MISCOMPARE_DURING_VERIFY; 2529 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2530 break; 2531 case NVME_SC_ACCESS_DENIED: 2532 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2533 skey = SSD_KEY_ILLEGAL_REQUEST; 2534 asc = SCSI_ASC_ACCESS_DENIED_INVALID_LUN_ID; 2535 ascq = SCSI_ASCQ_INVALID_LUN_ID; 2536 break; 2537 } 2538 break; 2539 } 2540 2541 returned_sense_len = sizeof(struct scsi_sense_data); 2542 if (returned_sense_len < ccb->csio.sense_len) 2543 ccb->csio.sense_resid = ccb->csio.sense_len - 2544 returned_sense_len; 2545 else 2546 ccb->csio.sense_resid = 0; 2547 2548 scsi_set_sense_data(&ccb->csio.sense_data, SSD_TYPE_FIXED, 2549 1, skey, asc, ascq, SSD_ELEM_NONE); 2550 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 2551 2552 return status; 2553 } 2554 2555 /** mprsas_complete_nvme_unmap 2556 * 2557 * Complete native NVMe command issued using NVMe Encapsulated 2558 * Request Message. 2559 */ 2560 static u8 2561 mprsas_complete_nvme_unmap(struct mpr_softc *sc, struct mpr_command *cm) 2562 { 2563 Mpi26NVMeEncapsulatedErrorReply_t *mpi_reply; 2564 struct nvme_completion *nvme_completion = NULL; 2565 u8 scsi_status = MPI2_SCSI_STATUS_GOOD; 2566 2567 mpi_reply =(Mpi26NVMeEncapsulatedErrorReply_t *)cm->cm_reply; 2568 if (le16toh(mpi_reply->ErrorResponseCount)){ 2569 nvme_completion = (struct nvme_completion *)cm->cm_sense; 2570 scsi_status = mprsas_nvme_trans_status_code( 2571 nvme_completion->status, cm); 2572 } 2573 return scsi_status; 2574 } 2575 2576 static void 2577 mprsas_scsiio_complete(struct mpr_softc *sc, struct mpr_command *cm) 2578 { 2579 MPI2_SCSI_IO_REPLY *rep; 2580 union ccb *ccb; 2581 struct ccb_scsiio *csio; 2582 struct mprsas_softc *sassc; 2583 struct scsi_vpd_supported_page_list *vpd_list = NULL; 2584 u8 *TLR_bits, TLR_on, *scsi_cdb; 2585 int dir = 0, i; 2586 u16 alloc_len; 2587 struct mprsas_target *target; 2588 target_id_t target_id; 2589 2590 MPR_FUNCTRACE(sc); 2591 mpr_dprint(sc, MPR_TRACE, 2592 "cm %p SMID %u ccb %p reply %p outstanding %u\n", cm, 2593 cm->cm_desc.Default.SMID, cm->cm_ccb, cm->cm_reply, 2594 cm->cm_targ->outstanding); 2595 2596 callout_stop(&cm->cm_callout); 2597 mtx_assert(&sc->mpr_mtx, MA_OWNED); 2598 2599 sassc = sc->sassc; 2600 ccb = cm->cm_complete_data; 2601 csio = &ccb->csio; 2602 target_id = csio->ccb_h.target_id; 2603 rep = (MPI2_SCSI_IO_REPLY *)cm->cm_reply; 2604 /* 2605 * XXX KDM if the chain allocation fails, does it matter if we do 2606 * the sync and unload here? It is simpler to do it in every case, 2607 * assuming it doesn't cause problems. 2608 */ 2609 if (cm->cm_data != NULL) { 2610 if (cm->cm_flags & MPR_CM_FLAGS_DATAIN) 2611 dir = BUS_DMASYNC_POSTREAD; 2612 else if (cm->cm_flags & MPR_CM_FLAGS_DATAOUT) 2613 dir = BUS_DMASYNC_POSTWRITE; 2614 bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap, dir); 2615 bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap); 2616 } 2617 2618 cm->cm_targ->completed++; 2619 cm->cm_targ->outstanding--; 2620 TAILQ_REMOVE(&cm->cm_targ->commands, cm, cm_link); 2621 ccb->ccb_h.status &= ~(CAM_STATUS_MASK | CAM_SIM_QUEUED); 2622 2623 if (cm->cm_state == MPR_CM_STATE_TIMEDOUT) { 2624 TAILQ_REMOVE(&cm->cm_targ->timedout_commands, cm, cm_recovery); 2625 if (cm->cm_reply != NULL) 2626 mprsas_log_command(cm, MPR_RECOVERY, 2627 "completed timedout cm %p ccb %p during recovery " 2628 "ioc %x scsi %x state %x xfer %u\n", cm, cm->cm_ccb, 2629 le16toh(rep->IOCStatus), rep->SCSIStatus, 2630 rep->SCSIState, le32toh(rep->TransferCount)); 2631 else 2632 mprsas_log_command(cm, MPR_RECOVERY, 2633 "completed timedout cm %p ccb %p during recovery\n", 2634 cm, cm->cm_ccb); 2635 } else if (cm->cm_targ->tm != NULL) { 2636 if (cm->cm_reply != NULL) 2637 mprsas_log_command(cm, MPR_RECOVERY, 2638 "completed cm %p ccb %p during recovery " 2639 "ioc %x scsi %x state %x xfer %u\n", 2640 cm, cm->cm_ccb, le16toh(rep->IOCStatus), 2641 rep->SCSIStatus, rep->SCSIState, 2642 le32toh(rep->TransferCount)); 2643 else 2644 mprsas_log_command(cm, MPR_RECOVERY, 2645 "completed cm %p ccb %p during recovery\n", 2646 cm, cm->cm_ccb); 2647 } else if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) { 2648 mprsas_log_command(cm, MPR_RECOVERY, 2649 "reset completed cm %p ccb %p\n", cm, cm->cm_ccb); 2650 } 2651 2652 if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { 2653 /* 2654 * We ran into an error after we tried to map the command, 2655 * so we're getting a callback without queueing the command 2656 * to the hardware. So we set the status here, and it will 2657 * be retained below. We'll go through the "fast path", 2658 * because there can be no reply when we haven't actually 2659 * gone out to the hardware. 2660 */ 2661 mprsas_set_ccbstatus(ccb, CAM_REQUEUE_REQ); 2662 2663 /* 2664 * Currently the only error included in the mask is 2665 * MPR_CM_FLAGS_CHAIN_FAILED, which means we're out of 2666 * chain frames. We need to freeze the queue until we get 2667 * a command that completed without this error, which will 2668 * hopefully have some chain frames attached that we can 2669 * use. If we wanted to get smarter about it, we would 2670 * only unfreeze the queue in this condition when we're 2671 * sure that we're getting some chain frames back. That's 2672 * probably unnecessary. 2673 */ 2674 if ((sassc->flags & MPRSAS_QUEUE_FROZEN) == 0) { 2675 xpt_freeze_simq(sassc->sim, 1); 2676 sassc->flags |= MPRSAS_QUEUE_FROZEN; 2677 mpr_dprint(sc, MPR_XINFO, "Error sending command, " 2678 "freezing SIM queue\n"); 2679 } 2680 } 2681 2682 /* 2683 * Point to the SCSI CDB, which is dependent on the CAM_CDB_POINTER 2684 * flag, and use it in a few places in the rest of this function for 2685 * convenience. Use the macro if available. 2686 */ 2687 #if __FreeBSD_version >= 1100103 2688 scsi_cdb = scsiio_cdb_ptr(csio); 2689 #else 2690 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2691 scsi_cdb = csio->cdb_io.cdb_ptr; 2692 else 2693 scsi_cdb = csio->cdb_io.cdb_bytes; 2694 #endif 2695 2696 /* 2697 * If this is a Start Stop Unit command and it was issued by the driver 2698 * during shutdown, decrement the refcount to account for all of the 2699 * commands that were sent. All SSU commands should be completed before 2700 * shutdown completes, meaning SSU_refcount will be 0 after SSU_started 2701 * is TRUE. 2702 */ 2703 if (sc->SSU_started && (scsi_cdb[0] == START_STOP_UNIT)) { 2704 mpr_dprint(sc, MPR_INFO, "Decrementing SSU count.\n"); 2705 sc->SSU_refcount--; 2706 } 2707 2708 /* Take the fast path to completion */ 2709 if (cm->cm_reply == NULL) { 2710 if (mprsas_get_ccbstatus(ccb) == CAM_REQ_INPROG) { 2711 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) 2712 mprsas_set_ccbstatus(ccb, CAM_SCSI_BUS_RESET); 2713 else { 2714 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 2715 csio->scsi_status = SCSI_STATUS_OK; 2716 } 2717 if (sassc->flags & MPRSAS_QUEUE_FROZEN) { 2718 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2719 sassc->flags &= ~MPRSAS_QUEUE_FROZEN; 2720 mpr_dprint(sc, MPR_XINFO, 2721 "Unfreezing SIM queue\n"); 2722 } 2723 } 2724 2725 /* 2726 * There are two scenarios where the status won't be 2727 * CAM_REQ_CMP. The first is if MPR_CM_FLAGS_ERROR_MASK is 2728 * set, the second is in the MPR_FLAGS_DIAGRESET above. 2729 */ 2730 if (mprsas_get_ccbstatus(ccb) != CAM_REQ_CMP) { 2731 /* 2732 * Freeze the dev queue so that commands are 2733 * executed in the correct order after error 2734 * recovery. 2735 */ 2736 ccb->ccb_h.status |= CAM_DEV_QFRZN; 2737 xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1); 2738 } 2739 mpr_free_command(sc, cm); 2740 xpt_done(ccb); 2741 return; 2742 } 2743 2744 target = &sassc->targets[target_id]; 2745 if (scsi_cdb[0] == UNMAP && 2746 target->is_nvme && 2747 (csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) { 2748 rep->SCSIStatus = mprsas_complete_nvme_unmap(sc, cm); 2749 csio->scsi_status = rep->SCSIStatus; 2750 } 2751 2752 mprsas_log_command(cm, MPR_XINFO, 2753 "ioc %x scsi %x state %x xfer %u\n", 2754 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState, 2755 le32toh(rep->TransferCount)); 2756 2757 switch (le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK) { 2758 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: 2759 csio->resid = cm->cm_length - le32toh(rep->TransferCount); 2760 /* FALLTHROUGH */ 2761 case MPI2_IOCSTATUS_SUCCESS: 2762 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: 2763 if ((le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK) == 2764 MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR) 2765 mprsas_log_command(cm, MPR_XINFO, "recovered error\n"); 2766 2767 /* Completion failed at the transport level. */ 2768 if (rep->SCSIState & (MPI2_SCSI_STATE_NO_SCSI_STATUS | 2769 MPI2_SCSI_STATE_TERMINATED)) { 2770 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); 2771 break; 2772 } 2773 2774 /* In a modern packetized environment, an autosense failure 2775 * implies that there's not much else that can be done to 2776 * recover the command. 2777 */ 2778 if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_FAILED) { 2779 mprsas_set_ccbstatus(ccb, CAM_AUTOSENSE_FAIL); 2780 break; 2781 } 2782 2783 /* 2784 * CAM doesn't care about SAS Response Info data, but if this is 2785 * the state check if TLR should be done. If not, clear the 2786 * TLR_bits for the target. 2787 */ 2788 if ((rep->SCSIState & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) && 2789 ((le32toh(rep->ResponseInfo) & MPI2_SCSI_RI_MASK_REASONCODE) 2790 == MPR_SCSI_RI_INVALID_FRAME)) { 2791 sc->mapping_table[target_id].TLR_bits = 2792 (u8)MPI2_SCSIIO_CONTROL_NO_TLR; 2793 } 2794 2795 /* 2796 * Intentionally override the normal SCSI status reporting 2797 * for these two cases. These are likely to happen in a 2798 * multi-initiator environment, and we want to make sure that 2799 * CAM retries these commands rather than fail them. 2800 */ 2801 if ((rep->SCSIStatus == MPI2_SCSI_STATUS_COMMAND_TERMINATED) || 2802 (rep->SCSIStatus == MPI2_SCSI_STATUS_TASK_ABORTED)) { 2803 mprsas_set_ccbstatus(ccb, CAM_REQ_ABORTED); 2804 break; 2805 } 2806 2807 /* Handle normal status and sense */ 2808 csio->scsi_status = rep->SCSIStatus; 2809 if (rep->SCSIStatus == MPI2_SCSI_STATUS_GOOD) 2810 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 2811 else 2812 mprsas_set_ccbstatus(ccb, CAM_SCSI_STATUS_ERROR); 2813 2814 if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_VALID) { 2815 int sense_len, returned_sense_len; 2816 2817 returned_sense_len = min(le32toh(rep->SenseCount), 2818 sizeof(struct scsi_sense_data)); 2819 if (returned_sense_len < csio->sense_len) 2820 csio->sense_resid = csio->sense_len - 2821 returned_sense_len; 2822 else 2823 csio->sense_resid = 0; 2824 2825 sense_len = min(returned_sense_len, 2826 csio->sense_len - csio->sense_resid); 2827 bzero(&csio->sense_data, sizeof(csio->sense_data)); 2828 bcopy(cm->cm_sense, &csio->sense_data, sense_len); 2829 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 2830 } 2831 2832 /* 2833 * Check if this is an INQUIRY command. If it's a VPD inquiry, 2834 * and it's page code 0 (Supported Page List), and there is 2835 * inquiry data, and this is for a sequential access device, and 2836 * the device is an SSP target, and TLR is supported by the 2837 * controller, turn the TLR_bits value ON if page 0x90 is 2838 * supported. 2839 */ 2840 if ((scsi_cdb[0] == INQUIRY) && 2841 (scsi_cdb[1] & SI_EVPD) && 2842 (scsi_cdb[2] == SVPD_SUPPORTED_PAGE_LIST) && 2843 ((csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) && 2844 (csio->data_ptr != NULL) && 2845 ((csio->data_ptr[0] & 0x1f) == T_SEQUENTIAL) && 2846 (sc->control_TLR) && 2847 (sc->mapping_table[target_id].device_info & 2848 MPI2_SAS_DEVICE_INFO_SSP_TARGET)) { 2849 vpd_list = (struct scsi_vpd_supported_page_list *) 2850 csio->data_ptr; 2851 TLR_bits = &sc->mapping_table[target_id].TLR_bits; 2852 *TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR; 2853 TLR_on = (u8)MPI2_SCSIIO_CONTROL_TLR_ON; 2854 alloc_len = ((u16)scsi_cdb[3] << 8) + scsi_cdb[4]; 2855 alloc_len -= csio->resid; 2856 for (i = 0; i < MIN(vpd_list->length, alloc_len); i++) { 2857 if (vpd_list->list[i] == 0x90) { 2858 *TLR_bits = TLR_on; 2859 break; 2860 } 2861 } 2862 } 2863 2864 /* 2865 * If this is a SATA direct-access end device, mark it so that 2866 * a SCSI StartStopUnit command will be sent to it when the 2867 * driver is being shutdown. 2868 */ 2869 if ((scsi_cdb[0] == INQUIRY) && 2870 (csio->data_ptr != NULL) && 2871 ((csio->data_ptr[0] & 0x1f) == T_DIRECT) && 2872 (sc->mapping_table[target_id].device_info & 2873 MPI2_SAS_DEVICE_INFO_SATA_DEVICE) && 2874 ((sc->mapping_table[target_id].device_info & 2875 MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) == 2876 MPI2_SAS_DEVICE_INFO_END_DEVICE)) { 2877 target = &sassc->targets[target_id]; 2878 target->supports_SSU = TRUE; 2879 mpr_dprint(sc, MPR_XINFO, "Target %d supports SSU\n", 2880 target_id); 2881 } 2882 break; 2883 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: 2884 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 2885 /* 2886 * If devinfo is 0 this will be a volume. In that case don't 2887 * tell CAM that the volume is not there. We want volumes to 2888 * be enumerated until they are deleted/removed, not just 2889 * failed. 2890 */ 2891 if (cm->cm_targ->devinfo == 0) 2892 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 2893 else 2894 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 2895 break; 2896 case MPI2_IOCSTATUS_INVALID_SGL: 2897 mpr_print_scsiio_cmd(sc, cm); 2898 mprsas_set_ccbstatus(ccb, CAM_UNREC_HBA_ERROR); 2899 break; 2900 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: 2901 /* 2902 * This is one of the responses that comes back when an I/O 2903 * has been aborted. If it is because of a timeout that we 2904 * initiated, just set the status to CAM_CMD_TIMEOUT. 2905 * Otherwise set it to CAM_REQ_ABORTED. The effect on the 2906 * command is the same (it gets retried, subject to the 2907 * retry counter), the only difference is what gets printed 2908 * on the console. 2909 */ 2910 if (cm->cm_state == MPR_CM_STATE_TIMEDOUT) 2911 mprsas_set_ccbstatus(ccb, CAM_CMD_TIMEOUT); 2912 else 2913 mprsas_set_ccbstatus(ccb, CAM_REQ_ABORTED); 2914 break; 2915 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: 2916 /* resid is ignored for this condition */ 2917 csio->resid = 0; 2918 mprsas_set_ccbstatus(ccb, CAM_DATA_RUN_ERR); 2919 break; 2920 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: 2921 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: 2922 /* 2923 * These can sometimes be transient transport-related 2924 * errors, and sometimes persistent drive-related errors. 2925 * We used to retry these without decrementing the retry 2926 * count by returning CAM_REQUEUE_REQ. Unfortunately, if 2927 * we hit a persistent drive problem that returns one of 2928 * these error codes, we would retry indefinitely. So, 2929 * return CAM_REQ_CMP_ERROR so that we decrement the retry 2930 * count and avoid infinite retries. We're taking the 2931 * potential risk of flagging false failures in the event 2932 * of a topology-related error (e.g. a SAS expander problem 2933 * causes a command addressed to a drive to fail), but 2934 * avoiding getting into an infinite retry loop. 2935 */ 2936 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); 2937 mprsas_log_command(cm, MPR_INFO, 2938 "terminated ioc %x loginfo %x scsi %x state %x xfer %u\n", 2939 le16toh(rep->IOCStatus), le32toh(rep->IOCLogInfo), 2940 rep->SCSIStatus, rep->SCSIState, 2941 le32toh(rep->TransferCount)); 2942 break; 2943 case MPI2_IOCSTATUS_INVALID_FUNCTION: 2944 case MPI2_IOCSTATUS_INTERNAL_ERROR: 2945 case MPI2_IOCSTATUS_INVALID_VPID: 2946 case MPI2_IOCSTATUS_INVALID_FIELD: 2947 case MPI2_IOCSTATUS_INVALID_STATE: 2948 case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED: 2949 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: 2950 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: 2951 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 2952 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 2953 default: 2954 mprsas_log_command(cm, MPR_XINFO, 2955 "completed ioc %x loginfo %x scsi %x state %x xfer %u\n", 2956 le16toh(rep->IOCStatus), le32toh(rep->IOCLogInfo), 2957 rep->SCSIStatus, rep->SCSIState, 2958 le32toh(rep->TransferCount)); 2959 csio->resid = cm->cm_length; 2960 2961 if (scsi_cdb[0] == UNMAP && 2962 target->is_nvme && 2963 (csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) 2964 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 2965 else 2966 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); 2967 2968 break; 2969 } 2970 2971 mpr_sc_failed_io_info(sc, csio, rep, cm->cm_targ); 2972 2973 if (sassc->flags & MPRSAS_QUEUE_FROZEN) { 2974 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2975 sassc->flags &= ~MPRSAS_QUEUE_FROZEN; 2976 mpr_dprint(sc, MPR_XINFO, "Command completed, unfreezing SIM " 2977 "queue\n"); 2978 } 2979 2980 if (mprsas_get_ccbstatus(ccb) != CAM_REQ_CMP) { 2981 ccb->ccb_h.status |= CAM_DEV_QFRZN; 2982 xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1); 2983 } 2984 2985 mpr_free_command(sc, cm); 2986 xpt_done(ccb); 2987 } 2988 2989 #if __FreeBSD_version >= 900026 2990 static void 2991 mprsas_smpio_complete(struct mpr_softc *sc, struct mpr_command *cm) 2992 { 2993 MPI2_SMP_PASSTHROUGH_REPLY *rpl; 2994 MPI2_SMP_PASSTHROUGH_REQUEST *req; 2995 uint64_t sasaddr; 2996 union ccb *ccb; 2997 2998 ccb = cm->cm_complete_data; 2999 3000 /* 3001 * Currently there should be no way we can hit this case. It only 3002 * happens when we have a failure to allocate chain frames, and SMP 3003 * commands require two S/G elements only. That should be handled 3004 * in the standard request size. 3005 */ 3006 if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { 3007 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x on SMP " 3008 "request!\n", __func__, cm->cm_flags); 3009 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); 3010 goto bailout; 3011 } 3012 3013 rpl = (MPI2_SMP_PASSTHROUGH_REPLY *)cm->cm_reply; 3014 if (rpl == NULL) { 3015 mpr_dprint(sc, MPR_ERROR, "%s: NULL cm_reply!\n", __func__); 3016 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); 3017 goto bailout; 3018 } 3019 3020 req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req; 3021 sasaddr = le32toh(req->SASAddress.Low); 3022 sasaddr |= ((uint64_t)(le32toh(req->SASAddress.High))) << 32; 3023 3024 if ((le16toh(rpl->IOCStatus) & MPI2_IOCSTATUS_MASK) != 3025 MPI2_IOCSTATUS_SUCCESS || 3026 rpl->SASStatus != MPI2_SASSTATUS_SUCCESS) { 3027 mpr_dprint(sc, MPR_XINFO, "%s: IOCStatus %04x SASStatus %02x\n", 3028 __func__, le16toh(rpl->IOCStatus), rpl->SASStatus); 3029 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); 3030 goto bailout; 3031 } 3032 3033 mpr_dprint(sc, MPR_XINFO, "%s: SMP request to SAS address %#jx " 3034 "completed successfully\n", __func__, (uintmax_t)sasaddr); 3035 3036 if (ccb->smpio.smp_response[2] == SMP_FR_ACCEPTED) 3037 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 3038 else 3039 mprsas_set_ccbstatus(ccb, CAM_SMP_STATUS_ERROR); 3040 3041 bailout: 3042 /* 3043 * We sync in both directions because we had DMAs in the S/G list 3044 * in both directions. 3045 */ 3046 bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap, 3047 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 3048 bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap); 3049 mpr_free_command(sc, cm); 3050 xpt_done(ccb); 3051 } 3052 3053 static void 3054 mprsas_send_smpcmd(struct mprsas_softc *sassc, union ccb *ccb, uint64_t sasaddr) 3055 { 3056 struct mpr_command *cm; 3057 uint8_t *request, *response; 3058 MPI2_SMP_PASSTHROUGH_REQUEST *req; 3059 struct mpr_softc *sc; 3060 struct sglist *sg; 3061 int error; 3062 3063 sc = sassc->sc; 3064 sg = NULL; 3065 error = 0; 3066 3067 #if (__FreeBSD_version >= 1000028) || \ 3068 ((__FreeBSD_version >= 902001) && (__FreeBSD_version < 1000000)) 3069 switch (ccb->ccb_h.flags & CAM_DATA_MASK) { 3070 case CAM_DATA_PADDR: 3071 case CAM_DATA_SG_PADDR: 3072 /* 3073 * XXX We don't yet support physical addresses here. 3074 */ 3075 mpr_dprint(sc, MPR_ERROR, "%s: physical addresses not " 3076 "supported\n", __func__); 3077 mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID); 3078 xpt_done(ccb); 3079 return; 3080 case CAM_DATA_SG: 3081 /* 3082 * The chip does not support more than one buffer for the 3083 * request or response. 3084 */ 3085 if ((ccb->smpio.smp_request_sglist_cnt > 1) 3086 || (ccb->smpio.smp_response_sglist_cnt > 1)) { 3087 mpr_dprint(sc, MPR_ERROR, "%s: multiple request or " 3088 "response buffer segments not supported for SMP\n", 3089 __func__); 3090 mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID); 3091 xpt_done(ccb); 3092 return; 3093 } 3094 3095 /* 3096 * The CAM_SCATTER_VALID flag was originally implemented 3097 * for the XPT_SCSI_IO CCB, which only has one data pointer. 3098 * We have two. So, just take that flag to mean that we 3099 * might have S/G lists, and look at the S/G segment count 3100 * to figure out whether that is the case for each individual 3101 * buffer. 3102 */ 3103 if (ccb->smpio.smp_request_sglist_cnt != 0) { 3104 bus_dma_segment_t *req_sg; 3105 3106 req_sg = (bus_dma_segment_t *)ccb->smpio.smp_request; 3107 request = (uint8_t *)(uintptr_t)req_sg[0].ds_addr; 3108 } else 3109 request = ccb->smpio.smp_request; 3110 3111 if (ccb->smpio.smp_response_sglist_cnt != 0) { 3112 bus_dma_segment_t *rsp_sg; 3113 3114 rsp_sg = (bus_dma_segment_t *)ccb->smpio.smp_response; 3115 response = (uint8_t *)(uintptr_t)rsp_sg[0].ds_addr; 3116 } else 3117 response = ccb->smpio.smp_response; 3118 break; 3119 case CAM_DATA_VADDR: 3120 request = ccb->smpio.smp_request; 3121 response = ccb->smpio.smp_response; 3122 break; 3123 default: 3124 mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID); 3125 xpt_done(ccb); 3126 return; 3127 } 3128 #else /* __FreeBSD_version < 1000028 */ 3129 /* 3130 * XXX We don't yet support physical addresses here. 3131 */ 3132 if (ccb->ccb_h.flags & (CAM_DATA_PHYS|CAM_SG_LIST_PHYS)) { 3133 mpr_dprint(sc, MPR_ERROR, "%s: physical addresses not " 3134 "supported\n", __func__); 3135 mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID); 3136 xpt_done(ccb); 3137 return; 3138 } 3139 3140 /* 3141 * If the user wants to send an S/G list, check to make sure they 3142 * have single buffers. 3143 */ 3144 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) { 3145 /* 3146 * The chip does not support more than one buffer for the 3147 * request or response. 3148 */ 3149 if ((ccb->smpio.smp_request_sglist_cnt > 1) 3150 || (ccb->smpio.smp_response_sglist_cnt > 1)) { 3151 mpr_dprint(sc, MPR_ERROR, "%s: multiple request or " 3152 "response buffer segments not supported for SMP\n", 3153 __func__); 3154 mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID); 3155 xpt_done(ccb); 3156 return; 3157 } 3158 3159 /* 3160 * The CAM_SCATTER_VALID flag was originally implemented 3161 * for the XPT_SCSI_IO CCB, which only has one data pointer. 3162 * We have two. So, just take that flag to mean that we 3163 * might have S/G lists, and look at the S/G segment count 3164 * to figure out whether that is the case for each individual 3165 * buffer. 3166 */ 3167 if (ccb->smpio.smp_request_sglist_cnt != 0) { 3168 bus_dma_segment_t *req_sg; 3169 3170 req_sg = (bus_dma_segment_t *)ccb->smpio.smp_request; 3171 request = (uint8_t *)(uintptr_t)req_sg[0].ds_addr; 3172 } else 3173 request = ccb->smpio.smp_request; 3174 3175 if (ccb->smpio.smp_response_sglist_cnt != 0) { 3176 bus_dma_segment_t *rsp_sg; 3177 3178 rsp_sg = (bus_dma_segment_t *)ccb->smpio.smp_response; 3179 response = (uint8_t *)(uintptr_t)rsp_sg[0].ds_addr; 3180 } else 3181 response = ccb->smpio.smp_response; 3182 } else { 3183 request = ccb->smpio.smp_request; 3184 response = ccb->smpio.smp_response; 3185 } 3186 #endif /* __FreeBSD_version < 1000028 */ 3187 3188 cm = mpr_alloc_command(sc); 3189 if (cm == NULL) { 3190 mpr_dprint(sc, MPR_ERROR, "%s: cannot allocate command\n", 3191 __func__); 3192 mprsas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL); 3193 xpt_done(ccb); 3194 return; 3195 } 3196 3197 req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req; 3198 bzero(req, sizeof(*req)); 3199 req->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; 3200 3201 /* Allow the chip to use any route to this SAS address. */ 3202 req->PhysicalPort = 0xff; 3203 3204 req->RequestDataLength = htole16(ccb->smpio.smp_request_len); 3205 req->SGLFlags = 3206 MPI2_SGLFLAGS_SYSTEM_ADDRESS_SPACE | MPI2_SGLFLAGS_SGL_TYPE_MPI; 3207 3208 mpr_dprint(sc, MPR_XINFO, "%s: sending SMP request to SAS address " 3209 "%#jx\n", __func__, (uintmax_t)sasaddr); 3210 3211 mpr_init_sge(cm, req, &req->SGL); 3212 3213 /* 3214 * Set up a uio to pass into mpr_map_command(). This allows us to 3215 * do one map command, and one busdma call in there. 3216 */ 3217 cm->cm_uio.uio_iov = cm->cm_iovec; 3218 cm->cm_uio.uio_iovcnt = 2; 3219 cm->cm_uio.uio_segflg = UIO_SYSSPACE; 3220 3221 /* 3222 * The read/write flag isn't used by busdma, but set it just in 3223 * case. This isn't exactly accurate, either, since we're going in 3224 * both directions. 3225 */ 3226 cm->cm_uio.uio_rw = UIO_WRITE; 3227 3228 cm->cm_iovec[0].iov_base = request; 3229 cm->cm_iovec[0].iov_len = le16toh(req->RequestDataLength); 3230 cm->cm_iovec[1].iov_base = response; 3231 cm->cm_iovec[1].iov_len = ccb->smpio.smp_response_len; 3232 3233 cm->cm_uio.uio_resid = cm->cm_iovec[0].iov_len + 3234 cm->cm_iovec[1].iov_len; 3235 3236 /* 3237 * Trigger a warning message in mpr_data_cb() for the user if we 3238 * wind up exceeding two S/G segments. The chip expects one 3239 * segment for the request and another for the response. 3240 */ 3241 cm->cm_max_segs = 2; 3242 3243 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 3244 cm->cm_complete = mprsas_smpio_complete; 3245 cm->cm_complete_data = ccb; 3246 3247 /* 3248 * Tell the mapping code that we're using a uio, and that this is 3249 * an SMP passthrough request. There is a little special-case 3250 * logic there (in mpr_data_cb()) to handle the bidirectional 3251 * transfer. 3252 */ 3253 cm->cm_flags |= MPR_CM_FLAGS_USE_UIO | MPR_CM_FLAGS_SMP_PASS | 3254 MPR_CM_FLAGS_DATAIN | MPR_CM_FLAGS_DATAOUT; 3255 3256 /* The chip data format is little endian. */ 3257 req->SASAddress.High = htole32(sasaddr >> 32); 3258 req->SASAddress.Low = htole32(sasaddr); 3259 3260 /* 3261 * XXX Note that we don't have a timeout/abort mechanism here. 3262 * From the manual, it looks like task management requests only 3263 * work for SCSI IO and SATA passthrough requests. We may need to 3264 * have a mechanism to retry requests in the event of a chip reset 3265 * at least. Hopefully the chip will insure that any errors short 3266 * of that are relayed back to the driver. 3267 */ 3268 error = mpr_map_command(sc, cm); 3269 if ((error != 0) && (error != EINPROGRESS)) { 3270 mpr_dprint(sc, MPR_ERROR, "%s: error %d returned from " 3271 "mpr_map_command()\n", __func__, error); 3272 goto bailout_error; 3273 } 3274 3275 return; 3276 3277 bailout_error: 3278 mpr_free_command(sc, cm); 3279 mprsas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL); 3280 xpt_done(ccb); 3281 return; 3282 } 3283 3284 static void 3285 mprsas_action_smpio(struct mprsas_softc *sassc, union ccb *ccb) 3286 { 3287 struct mpr_softc *sc; 3288 struct mprsas_target *targ; 3289 uint64_t sasaddr = 0; 3290 3291 sc = sassc->sc; 3292 3293 /* 3294 * Make sure the target exists. 3295 */ 3296 KASSERT(ccb->ccb_h.target_id < sassc->maxtargets, 3297 ("Target %d out of bounds in XPT_SMP_IO\n", ccb->ccb_h.target_id)); 3298 targ = &sassc->targets[ccb->ccb_h.target_id]; 3299 if (targ->handle == 0x0) { 3300 mpr_dprint(sc, MPR_ERROR, "%s: target %d does not exist!\n", 3301 __func__, ccb->ccb_h.target_id); 3302 mprsas_set_ccbstatus(ccb, CAM_SEL_TIMEOUT); 3303 xpt_done(ccb); 3304 return; 3305 } 3306 3307 /* 3308 * If this device has an embedded SMP target, we'll talk to it 3309 * directly. 3310 * figure out what the expander's address is. 3311 */ 3312 if ((targ->devinfo & MPI2_SAS_DEVICE_INFO_SMP_TARGET) != 0) 3313 sasaddr = targ->sasaddr; 3314 3315 /* 3316 * If we don't have a SAS address for the expander yet, try 3317 * grabbing it from the page 0x83 information cached in the 3318 * transport layer for this target. LSI expanders report the 3319 * expander SAS address as the port-associated SAS address in 3320 * Inquiry VPD page 0x83. Maxim expanders don't report it in page 3321 * 0x83. 3322 * 3323 * XXX KDM disable this for now, but leave it commented out so that 3324 * it is obvious that this is another possible way to get the SAS 3325 * address. 3326 * 3327 * The parent handle method below is a little more reliable, and 3328 * the other benefit is that it works for devices other than SES 3329 * devices. So you can send a SMP request to a da(4) device and it 3330 * will get routed to the expander that device is attached to. 3331 * (Assuming the da(4) device doesn't contain an SMP target...) 3332 */ 3333 #if 0 3334 if (sasaddr == 0) 3335 sasaddr = xpt_path_sas_addr(ccb->ccb_h.path); 3336 #endif 3337 3338 /* 3339 * If we still don't have a SAS address for the expander, look for 3340 * the parent device of this device, which is probably the expander. 3341 */ 3342 if (sasaddr == 0) { 3343 #ifdef OLD_MPR_PROBE 3344 struct mprsas_target *parent_target; 3345 #endif 3346 3347 if (targ->parent_handle == 0x0) { 3348 mpr_dprint(sc, MPR_ERROR, "%s: handle %d does not have " 3349 "a valid parent handle!\n", __func__, targ->handle); 3350 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 3351 goto bailout; 3352 } 3353 #ifdef OLD_MPR_PROBE 3354 parent_target = mprsas_find_target_by_handle(sassc, 0, 3355 targ->parent_handle); 3356 3357 if (parent_target == NULL) { 3358 mpr_dprint(sc, MPR_ERROR, "%s: handle %d does not have " 3359 "a valid parent target!\n", __func__, targ->handle); 3360 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 3361 goto bailout; 3362 } 3363 3364 if ((parent_target->devinfo & 3365 MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) { 3366 mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent %d " 3367 "does not have an SMP target!\n", __func__, 3368 targ->handle, parent_target->handle); 3369 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 3370 goto bailout; 3371 } 3372 3373 sasaddr = parent_target->sasaddr; 3374 #else /* OLD_MPR_PROBE */ 3375 if ((targ->parent_devinfo & 3376 MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) { 3377 mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent %d " 3378 "does not have an SMP target!\n", __func__, 3379 targ->handle, targ->parent_handle); 3380 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 3381 goto bailout; 3382 3383 } 3384 if (targ->parent_sasaddr == 0x0) { 3385 mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent handle " 3386 "%d does not have a valid SAS address!\n", __func__, 3387 targ->handle, targ->parent_handle); 3388 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 3389 goto bailout; 3390 } 3391 3392 sasaddr = targ->parent_sasaddr; 3393 #endif /* OLD_MPR_PROBE */ 3394 3395 } 3396 3397 if (sasaddr == 0) { 3398 mpr_dprint(sc, MPR_INFO, "%s: unable to find SAS address for " 3399 "handle %d\n", __func__, targ->handle); 3400 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 3401 goto bailout; 3402 } 3403 mprsas_send_smpcmd(sassc, ccb, sasaddr); 3404 3405 return; 3406 3407 bailout: 3408 xpt_done(ccb); 3409 3410 } 3411 #endif //__FreeBSD_version >= 900026 3412 3413 static void 3414 mprsas_action_resetdev(struct mprsas_softc *sassc, union ccb *ccb) 3415 { 3416 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 3417 struct mpr_softc *sc; 3418 struct mpr_command *tm; 3419 struct mprsas_target *targ; 3420 3421 MPR_FUNCTRACE(sassc->sc); 3422 mtx_assert(&sassc->sc->mpr_mtx, MA_OWNED); 3423 3424 KASSERT(ccb->ccb_h.target_id < sassc->maxtargets, ("Target %d out of " 3425 "bounds in XPT_RESET_DEV\n", ccb->ccb_h.target_id)); 3426 sc = sassc->sc; 3427 tm = mpr_alloc_command(sc); 3428 if (tm == NULL) { 3429 mpr_dprint(sc, MPR_ERROR, "command alloc failure in " 3430 "mprsas_action_resetdev\n"); 3431 mprsas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL); 3432 xpt_done(ccb); 3433 return; 3434 } 3435 3436 targ = &sassc->targets[ccb->ccb_h.target_id]; 3437 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; 3438 req->DevHandle = htole16(targ->handle); 3439 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; 3440 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; 3441 3442 /* SAS Hard Link Reset / SATA Link Reset */ 3443 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET; 3444 3445 tm->cm_data = NULL; 3446 tm->cm_desc.HighPriority.RequestFlags = 3447 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; 3448 tm->cm_complete = mprsas_resetdev_complete; 3449 tm->cm_complete_data = ccb; 3450 3451 mpr_dprint(sc, MPR_INFO, "%s: Sending reset for target ID %d\n", 3452 __func__, targ->tid); 3453 tm->cm_targ = targ; 3454 targ->flags |= MPRSAS_TARGET_INRESET; 3455 3456 mpr_map_command(sc, tm); 3457 } 3458 3459 static void 3460 mprsas_resetdev_complete(struct mpr_softc *sc, struct mpr_command *tm) 3461 { 3462 MPI2_SCSI_TASK_MANAGE_REPLY *resp; 3463 union ccb *ccb; 3464 3465 MPR_FUNCTRACE(sc); 3466 mtx_assert(&sc->mpr_mtx, MA_OWNED); 3467 3468 resp = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; 3469 ccb = tm->cm_complete_data; 3470 3471 /* 3472 * Currently there should be no way we can hit this case. It only 3473 * happens when we have a failure to allocate chain frames, and 3474 * task management commands don't have S/G lists. 3475 */ 3476 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { 3477 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 3478 3479 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; 3480 3481 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for reset of " 3482 "handle %#04x! This should not happen!\n", __func__, 3483 tm->cm_flags, req->DevHandle); 3484 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); 3485 goto bailout; 3486 } 3487 3488 mpr_dprint(sc, MPR_XINFO, "%s: IOCStatus = 0x%x ResponseCode = 0x%x\n", 3489 __func__, le16toh(resp->IOCStatus), le32toh(resp->ResponseCode)); 3490 3491 if (le32toh(resp->ResponseCode) == MPI2_SCSITASKMGMT_RSP_TM_COMPLETE) { 3492 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 3493 mprsas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid, 3494 CAM_LUN_WILDCARD); 3495 } 3496 else 3497 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); 3498 3499 bailout: 3500 3501 mprsas_free_tm(sc, tm); 3502 xpt_done(ccb); 3503 } 3504 3505 static void 3506 mprsas_poll(struct cam_sim *sim) 3507 { 3508 struct mprsas_softc *sassc; 3509 3510 sassc = cam_sim_softc(sim); 3511 3512 if (sassc->sc->mpr_debug & MPR_TRACE) { 3513 /* frequent debug messages during a panic just slow 3514 * everything down too much. 3515 */ 3516 mpr_dprint(sassc->sc, MPR_XINFO, "%s clearing MPR_TRACE\n", 3517 __func__); 3518 sassc->sc->mpr_debug &= ~MPR_TRACE; 3519 } 3520 3521 mpr_intr_locked(sassc->sc); 3522 } 3523 3524 static void 3525 mprsas_async(void *callback_arg, uint32_t code, struct cam_path *path, 3526 void *arg) 3527 { 3528 struct mpr_softc *sc; 3529 3530 sc = (struct mpr_softc *)callback_arg; 3531 3532 switch (code) { 3533 #if (__FreeBSD_version >= 1000006) || \ 3534 ((__FreeBSD_version >= 901503) && (__FreeBSD_version < 1000000)) 3535 case AC_ADVINFO_CHANGED: { 3536 struct mprsas_target *target; 3537 struct mprsas_softc *sassc; 3538 struct scsi_read_capacity_data_long rcap_buf; 3539 struct ccb_dev_advinfo cdai; 3540 struct mprsas_lun *lun; 3541 lun_id_t lunid; 3542 int found_lun; 3543 uintptr_t buftype; 3544 3545 buftype = (uintptr_t)arg; 3546 3547 found_lun = 0; 3548 sassc = sc->sassc; 3549 3550 /* 3551 * We're only interested in read capacity data changes. 3552 */ 3553 if (buftype != CDAI_TYPE_RCAPLONG) 3554 break; 3555 3556 /* 3557 * See the comment in mpr_attach_sas() for a detailed 3558 * explanation. In these versions of FreeBSD we register 3559 * for all events and filter out the events that don't 3560 * apply to us. 3561 */ 3562 #if (__FreeBSD_version < 1000703) || \ 3563 ((__FreeBSD_version >= 1100000) && (__FreeBSD_version < 1100002)) 3564 if (xpt_path_path_id(path) != sassc->sim->path_id) 3565 break; 3566 #endif 3567 3568 /* 3569 * We should have a handle for this, but check to make sure. 3570 */ 3571 KASSERT(xpt_path_target_id(path) < sassc->maxtargets, 3572 ("Target %d out of bounds in mprsas_async\n", 3573 xpt_path_target_id(path))); 3574 target = &sassc->targets[xpt_path_target_id(path)]; 3575 if (target->handle == 0) 3576 break; 3577 3578 lunid = xpt_path_lun_id(path); 3579 3580 SLIST_FOREACH(lun, &target->luns, lun_link) { 3581 if (lun->lun_id == lunid) { 3582 found_lun = 1; 3583 break; 3584 } 3585 } 3586 3587 if (found_lun == 0) { 3588 lun = malloc(sizeof(struct mprsas_lun), M_MPR, 3589 M_NOWAIT | M_ZERO); 3590 if (lun == NULL) { 3591 mpr_dprint(sc, MPR_ERROR, "Unable to alloc " 3592 "LUN for EEDP support.\n"); 3593 break; 3594 } 3595 lun->lun_id = lunid; 3596 SLIST_INSERT_HEAD(&target->luns, lun, lun_link); 3597 } 3598 3599 bzero(&rcap_buf, sizeof(rcap_buf)); 3600 xpt_setup_ccb(&cdai.ccb_h, path, CAM_PRIORITY_NORMAL); 3601 cdai.ccb_h.func_code = XPT_DEV_ADVINFO; 3602 cdai.ccb_h.flags = CAM_DIR_IN; 3603 cdai.buftype = CDAI_TYPE_RCAPLONG; 3604 #if (__FreeBSD_version >= 1100061) || \ 3605 ((__FreeBSD_version >= 1001510) && (__FreeBSD_version < 1100000)) 3606 cdai.flags = CDAI_FLAG_NONE; 3607 #else 3608 cdai.flags = 0; 3609 #endif 3610 cdai.bufsiz = sizeof(rcap_buf); 3611 cdai.buf = (uint8_t *)&rcap_buf; 3612 xpt_action((union ccb *)&cdai); 3613 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0) 3614 cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE); 3615 3616 if ((mprsas_get_ccbstatus((union ccb *)&cdai) == CAM_REQ_CMP) 3617 && (rcap_buf.prot & SRC16_PROT_EN)) { 3618 switch (rcap_buf.prot & SRC16_P_TYPE) { 3619 case SRC16_PTYPE_1: 3620 case SRC16_PTYPE_3: 3621 lun->eedp_formatted = TRUE; 3622 lun->eedp_block_size = 3623 scsi_4btoul(rcap_buf.length); 3624 break; 3625 case SRC16_PTYPE_2: 3626 default: 3627 lun->eedp_formatted = FALSE; 3628 lun->eedp_block_size = 0; 3629 break; 3630 } 3631 } else { 3632 lun->eedp_formatted = FALSE; 3633 lun->eedp_block_size = 0; 3634 } 3635 break; 3636 } 3637 #endif 3638 case AC_FOUND_DEVICE: { 3639 struct ccb_getdev *cgd; 3640 3641 /* 3642 * See the comment in mpr_attach_sas() for a detailed 3643 * explanation. In these versions of FreeBSD we register 3644 * for all events and filter out the events that don't 3645 * apply to us. 3646 */ 3647 #if (__FreeBSD_version < 1000703) || \ 3648 ((__FreeBSD_version >= 1100000) && (__FreeBSD_version < 1100002)) 3649 if (xpt_path_path_id(path) != sc->sassc->sim->path_id) 3650 break; 3651 #endif 3652 3653 cgd = arg; 3654 #if (__FreeBSD_version < 901503) || \ 3655 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006)) 3656 mprsas_check_eedp(sc, path, cgd); 3657 #endif 3658 break; 3659 } 3660 default: 3661 break; 3662 } 3663 } 3664 3665 #if (__FreeBSD_version < 901503) || \ 3666 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006)) 3667 static void 3668 mprsas_check_eedp(struct mpr_softc *sc, struct cam_path *path, 3669 struct ccb_getdev *cgd) 3670 { 3671 struct mprsas_softc *sassc = sc->sassc; 3672 struct ccb_scsiio *csio; 3673 struct scsi_read_capacity_16 *scsi_cmd; 3674 struct scsi_read_capacity_eedp *rcap_buf; 3675 path_id_t pathid; 3676 target_id_t targetid; 3677 lun_id_t lunid; 3678 union ccb *ccb; 3679 struct cam_path *local_path; 3680 struct mprsas_target *target; 3681 struct mprsas_lun *lun; 3682 uint8_t found_lun; 3683 char path_str[64]; 3684 3685 pathid = cam_sim_path(sassc->sim); 3686 targetid = xpt_path_target_id(path); 3687 lunid = xpt_path_lun_id(path); 3688 3689 KASSERT(targetid < sassc->maxtargets, ("Target %d out of bounds in " 3690 "mprsas_check_eedp\n", targetid)); 3691 target = &sassc->targets[targetid]; 3692 if (target->handle == 0x0) 3693 return; 3694 3695 /* 3696 * Determine if the device is EEDP capable. 3697 * 3698 * If this flag is set in the inquiry data, the device supports 3699 * protection information, and must support the 16 byte read capacity 3700 * command, otherwise continue without sending read cap 16. 3701 */ 3702 if ((cgd->inq_data.spc3_flags & SPC3_SID_PROTECT) == 0) 3703 return; 3704 3705 /* 3706 * Issue a READ CAPACITY 16 command. This info is used to determine if 3707 * the LUN is formatted for EEDP support. 3708 */ 3709 ccb = xpt_alloc_ccb_nowait(); 3710 if (ccb == NULL) { 3711 mpr_dprint(sc, MPR_ERROR, "Unable to alloc CCB for EEDP " 3712 "support.\n"); 3713 return; 3714 } 3715 3716 if (xpt_create_path(&local_path, xpt_periph, pathid, targetid, lunid) != 3717 CAM_REQ_CMP) { 3718 mpr_dprint(sc, MPR_ERROR, "Unable to create path for EEDP " 3719 "support.\n"); 3720 xpt_free_ccb(ccb); 3721 return; 3722 } 3723 3724 /* 3725 * If LUN is already in list, don't create a new one. 3726 */ 3727 found_lun = FALSE; 3728 SLIST_FOREACH(lun, &target->luns, lun_link) { 3729 if (lun->lun_id == lunid) { 3730 found_lun = TRUE; 3731 break; 3732 } 3733 } 3734 if (!found_lun) { 3735 lun = malloc(sizeof(struct mprsas_lun), M_MPR, 3736 M_NOWAIT | M_ZERO); 3737 if (lun == NULL) { 3738 mpr_dprint(sc, MPR_ERROR, "Unable to alloc LUN for " 3739 "EEDP support.\n"); 3740 xpt_free_path(local_path); 3741 xpt_free_ccb(ccb); 3742 return; 3743 } 3744 lun->lun_id = lunid; 3745 SLIST_INSERT_HEAD(&target->luns, lun, lun_link); 3746 } 3747 3748 xpt_path_string(local_path, path_str, sizeof(path_str)); 3749 mpr_dprint(sc, MPR_INFO, "Sending read cap: path %s handle %d\n", 3750 path_str, target->handle); 3751 3752 /* 3753 * Issue a READ CAPACITY 16 command for the LUN. The 3754 * mprsas_read_cap_done function will load the read cap info into the 3755 * LUN struct. 3756 */ 3757 rcap_buf = malloc(sizeof(struct scsi_read_capacity_eedp), M_MPR, 3758 M_NOWAIT | M_ZERO); 3759 if (rcap_buf == NULL) { 3760 mpr_dprint(sc, MPR_ERROR, "Unable to alloc read capacity " 3761 "buffer for EEDP support.\n"); 3762 xpt_free_path(ccb->ccb_h.path); 3763 xpt_free_ccb(ccb); 3764 return; 3765 } 3766 xpt_setup_ccb(&ccb->ccb_h, local_path, CAM_PRIORITY_XPT); 3767 csio = &ccb->csio; 3768 csio->ccb_h.func_code = XPT_SCSI_IO; 3769 csio->ccb_h.flags = CAM_DIR_IN; 3770 csio->ccb_h.retry_count = 4; 3771 csio->ccb_h.cbfcnp = mprsas_read_cap_done; 3772 csio->ccb_h.timeout = 60000; 3773 csio->data_ptr = (uint8_t *)rcap_buf; 3774 csio->dxfer_len = sizeof(struct scsi_read_capacity_eedp); 3775 csio->sense_len = MPR_SENSE_LEN; 3776 csio->cdb_len = sizeof(*scsi_cmd); 3777 csio->tag_action = MSG_SIMPLE_Q_TAG; 3778 3779 scsi_cmd = (struct scsi_read_capacity_16 *)&csio->cdb_io.cdb_bytes; 3780 bzero(scsi_cmd, sizeof(*scsi_cmd)); 3781 scsi_cmd->opcode = 0x9E; 3782 scsi_cmd->service_action = SRC16_SERVICE_ACTION; 3783 ((uint8_t *)scsi_cmd)[13] = sizeof(struct scsi_read_capacity_eedp); 3784 3785 ccb->ccb_h.ppriv_ptr1 = sassc; 3786 xpt_action(ccb); 3787 } 3788 3789 static void 3790 mprsas_read_cap_done(struct cam_periph *periph, union ccb *done_ccb) 3791 { 3792 struct mprsas_softc *sassc; 3793 struct mprsas_target *target; 3794 struct mprsas_lun *lun; 3795 struct scsi_read_capacity_eedp *rcap_buf; 3796 3797 if (done_ccb == NULL) 3798 return; 3799 3800 /* Driver need to release devq, it Scsi command is 3801 * generated by driver internally. 3802 * Currently there is a single place where driver 3803 * calls scsi command internally. In future if driver 3804 * calls more scsi command internally, it needs to release 3805 * devq internally, since those command will not go back to 3806 * cam_periph. 3807 */ 3808 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) ) { 3809 done_ccb->ccb_h.status &= ~CAM_DEV_QFRZN; 3810 xpt_release_devq(done_ccb->ccb_h.path, 3811 /*count*/ 1, /*run_queue*/TRUE); 3812 } 3813 3814 rcap_buf = (struct scsi_read_capacity_eedp *)done_ccb->csio.data_ptr; 3815 3816 /* 3817 * Get the LUN ID for the path and look it up in the LUN list for the 3818 * target. 3819 */ 3820 sassc = (struct mprsas_softc *)done_ccb->ccb_h.ppriv_ptr1; 3821 KASSERT(done_ccb->ccb_h.target_id < sassc->maxtargets, ("Target %d out " 3822 "of bounds in mprsas_read_cap_done\n", done_ccb->ccb_h.target_id)); 3823 target = &sassc->targets[done_ccb->ccb_h.target_id]; 3824 SLIST_FOREACH(lun, &target->luns, lun_link) { 3825 if (lun->lun_id != done_ccb->ccb_h.target_lun) 3826 continue; 3827 3828 /* 3829 * Got the LUN in the target's LUN list. Fill it in with EEDP 3830 * info. If the READ CAP 16 command had some SCSI error (common 3831 * if command is not supported), mark the lun as not supporting 3832 * EEDP and set the block size to 0. 3833 */ 3834 if ((mprsas_get_ccbstatus(done_ccb) != CAM_REQ_CMP) || 3835 (done_ccb->csio.scsi_status != SCSI_STATUS_OK)) { 3836 lun->eedp_formatted = FALSE; 3837 lun->eedp_block_size = 0; 3838 break; 3839 } 3840 3841 if (rcap_buf->protect & 0x01) { 3842 mpr_dprint(sassc->sc, MPR_INFO, "LUN %d for target ID " 3843 "%d is formatted for EEDP support.\n", 3844 done_ccb->ccb_h.target_lun, 3845 done_ccb->ccb_h.target_id); 3846 lun->eedp_formatted = TRUE; 3847 lun->eedp_block_size = scsi_4btoul(rcap_buf->length); 3848 } 3849 break; 3850 } 3851 3852 // Finished with this CCB and path. 3853 free(rcap_buf, M_MPR); 3854 xpt_free_path(done_ccb->ccb_h.path); 3855 xpt_free_ccb(done_ccb); 3856 } 3857 #endif /* (__FreeBSD_version < 901503) || \ 3858 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006)) */ 3859 3860 void 3861 mprsas_prepare_for_tm(struct mpr_softc *sc, struct mpr_command *tm, 3862 struct mprsas_target *target, lun_id_t lun_id) 3863 { 3864 union ccb *ccb; 3865 path_id_t path_id; 3866 3867 /* 3868 * Set the INRESET flag for this target so that no I/O will be sent to 3869 * the target until the reset has completed. If an I/O request does 3870 * happen, the devq will be frozen. The CCB holds the path which is 3871 * used to release the devq. The devq is released and the CCB is freed 3872 * when the TM completes. 3873 */ 3874 ccb = xpt_alloc_ccb_nowait(); 3875 if (ccb) { 3876 path_id = cam_sim_path(sc->sassc->sim); 3877 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, path_id, 3878 target->tid, lun_id) != CAM_REQ_CMP) { 3879 xpt_free_ccb(ccb); 3880 } else { 3881 tm->cm_ccb = ccb; 3882 tm->cm_targ = target; 3883 target->flags |= MPRSAS_TARGET_INRESET; 3884 } 3885 } 3886 } 3887 3888 int 3889 mprsas_startup(struct mpr_softc *sc) 3890 { 3891 /* 3892 * Send the port enable message and set the wait_for_port_enable flag. 3893 * This flag helps to keep the simq frozen until all discovery events 3894 * are processed. 3895 */ 3896 sc->wait_for_port_enable = 1; 3897 mprsas_send_portenable(sc); 3898 return (0); 3899 } 3900 3901 static int 3902 mprsas_send_portenable(struct mpr_softc *sc) 3903 { 3904 MPI2_PORT_ENABLE_REQUEST *request; 3905 struct mpr_command *cm; 3906 3907 MPR_FUNCTRACE(sc); 3908 3909 if ((cm = mpr_alloc_command(sc)) == NULL) 3910 return (EBUSY); 3911 request = (MPI2_PORT_ENABLE_REQUEST *)cm->cm_req; 3912 request->Function = MPI2_FUNCTION_PORT_ENABLE; 3913 request->MsgFlags = 0; 3914 request->VP_ID = 0; 3915 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 3916 cm->cm_complete = mprsas_portenable_complete; 3917 cm->cm_data = NULL; 3918 cm->cm_sge = NULL; 3919 3920 mpr_map_command(sc, cm); 3921 mpr_dprint(sc, MPR_XINFO, 3922 "mpr_send_portenable finished cm %p req %p complete %p\n", 3923 cm, cm->cm_req, cm->cm_complete); 3924 return (0); 3925 } 3926 3927 static void 3928 mprsas_portenable_complete(struct mpr_softc *sc, struct mpr_command *cm) 3929 { 3930 MPI2_PORT_ENABLE_REPLY *reply; 3931 struct mprsas_softc *sassc; 3932 3933 MPR_FUNCTRACE(sc); 3934 sassc = sc->sassc; 3935 3936 /* 3937 * Currently there should be no way we can hit this case. It only 3938 * happens when we have a failure to allocate chain frames, and 3939 * port enable commands don't have S/G lists. 3940 */ 3941 if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { 3942 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for port enable! " 3943 "This should not happen!\n", __func__, cm->cm_flags); 3944 } 3945 3946 reply = (MPI2_PORT_ENABLE_REPLY *)cm->cm_reply; 3947 if (reply == NULL) 3948 mpr_dprint(sc, MPR_FAULT, "Portenable NULL reply\n"); 3949 else if (le16toh(reply->IOCStatus & MPI2_IOCSTATUS_MASK) != 3950 MPI2_IOCSTATUS_SUCCESS) 3951 mpr_dprint(sc, MPR_FAULT, "Portenable failed\n"); 3952 3953 mpr_free_command(sc, cm); 3954 if (sc->mpr_ich.ich_arg != NULL) { 3955 mpr_dprint(sc, MPR_XINFO, "disestablish config intrhook\n"); 3956 config_intrhook_disestablish(&sc->mpr_ich); 3957 sc->mpr_ich.ich_arg = NULL; 3958 } 3959 3960 /* 3961 * Done waiting for port enable to complete. Decrement the refcount. 3962 * If refcount is 0, discovery is complete and a rescan of the bus can 3963 * take place. 3964 */ 3965 sc->wait_for_port_enable = 0; 3966 sc->port_enable_complete = 1; 3967 wakeup(&sc->port_enable_complete); 3968 mprsas_startup_decrement(sassc); 3969 } 3970 3971 int 3972 mprsas_check_id(struct mprsas_softc *sassc, int id) 3973 { 3974 struct mpr_softc *sc = sassc->sc; 3975 char *ids; 3976 char *name; 3977 3978 ids = &sc->exclude_ids[0]; 3979 while((name = strsep(&ids, ",")) != NULL) { 3980 if (name[0] == '\0') 3981 continue; 3982 if (strtol(name, NULL, 0) == (long)id) 3983 return (1); 3984 } 3985 3986 return (0); 3987 } 3988 3989 void 3990 mprsas_realloc_targets(struct mpr_softc *sc, int maxtargets) 3991 { 3992 struct mprsas_softc *sassc; 3993 struct mprsas_lun *lun, *lun_tmp; 3994 struct mprsas_target *targ; 3995 int i; 3996 3997 sassc = sc->sassc; 3998 /* 3999 * The number of targets is based on IOC Facts, so free all of 4000 * the allocated LUNs for each target and then the target buffer 4001 * itself. 4002 */ 4003 for (i=0; i< maxtargets; i++) { 4004 targ = &sassc->targets[i]; 4005 SLIST_FOREACH_SAFE(lun, &targ->luns, lun_link, lun_tmp) { 4006 free(lun, M_MPR); 4007 } 4008 } 4009 free(sassc->targets, M_MPR); 4010 4011 sassc->targets = malloc(sizeof(struct mprsas_target) * maxtargets, 4012 M_MPR, M_WAITOK|M_ZERO); 4013 if (!sassc->targets) { 4014 panic("%s failed to alloc targets with error %d\n", 4015 __func__, ENOMEM); 4016 } 4017 }
Cache object: fe1aa2e8cac656c699a78d6978e330ae
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