1/*- 2 * Copyright (c) 2009 Yahoo! Inc. 3 * Copyright (c) 2011-2015 LSI Corp. 4 * Copyright (c) 2013-2016 Avago Technologies 5 * Copyright 2000-2020 Broadcom Inc. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * Broadcom Inc. (LSI) MPT-Fusion Host Adapter FreeBSD 30 * 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD$"); 35 36/* Communications core for Avago Technologies (LSI) MPT3 */ 37 38/* TODO Move headers to mprvar */ 39#include <sys/types.h> 40#include <sys/param.h> 41#include <sys/systm.h> 42#include <sys/kernel.h> 43#include <sys/selinfo.h> 44#include <sys/module.h> 45#include <sys/bus.h> 46#include <sys/conf.h> 47#include <sys/bio.h> 48#include <sys/malloc.h> 49#include <sys/uio.h> 50#include <sys/sysctl.h> 51#include <sys/endian.h> 52#include <sys/queue.h> 53#include <sys/kthread.h> 54#include <sys/taskqueue.h> 55#include <sys/sbuf.h> 56 57#include <machine/bus.h> 58#include <machine/resource.h> 59#include <sys/rman.h> 60 61#include <machine/stdarg.h> 62 63#include <cam/cam.h> 64#include <cam/cam_ccb.h> 65#include <cam/cam_debug.h> 66#include <cam/cam_sim.h> 67#include <cam/cam_xpt_sim.h> 68#include <cam/cam_xpt_periph.h> 69#include <cam/cam_periph.h> 70#include <cam/scsi/scsi_all.h> 71#include <cam/scsi/scsi_message.h> 72#include <cam/scsi/smp_all.h> 73 74#include <dev/nvme/nvme.h> 75 76#include <dev/mpr/mpi/mpi2_type.h> 77#include <dev/mpr/mpi/mpi2.h> 78#include <dev/mpr/mpi/mpi2_ioc.h> 79#include <dev/mpr/mpi/mpi2_sas.h> 80#include <dev/mpr/mpi/mpi2_pci.h> 81#include <dev/mpr/mpi/mpi2_cnfg.h> 82#include <dev/mpr/mpi/mpi2_init.h> 83#include <dev/mpr/mpi/mpi2_tool.h> 84#include <dev/mpr/mpr_ioctl.h> 85#include <dev/mpr/mprvar.h> 86#include <dev/mpr/mpr_table.h> 87#include <dev/mpr/mpr_sas.h> 88 89#define MPRSAS_DISCOVERY_TIMEOUT 20 90#define MPRSAS_MAX_DISCOVERY_TIMEOUTS 10 /* 200 seconds */ 91 92/* 93 * static array to check SCSI OpCode for EEDP protection bits 94 */ 95#define PRO_R MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP 96#define PRO_W MPI2_SCSIIO_EEDPFLAGS_INSERT_OP 97#define PRO_V MPI2_SCSIIO_EEDPFLAGS_INSERT_OP 98static uint8_t op_code_prot[256] = { 99 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V, 102 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 103 0, PRO_W, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104 0, 0, 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, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V, 108 0, 0, 0, PRO_W, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 109 0, 0, 0, 0, 0, 0, 0, 0, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V, 110 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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}; 116 117MALLOC_DEFINE(M_MPRSAS, "MPRSAS", "MPR SAS memory"); 118 119static void mprsas_remove_device(struct mpr_softc *, struct mpr_command *); 120static void mprsas_remove_complete(struct mpr_softc *, struct mpr_command *); 121static void mprsas_action(struct cam_sim *sim, union ccb *ccb); 122static void mprsas_poll(struct cam_sim *sim); 123static void mprsas_scsiio_timeout(void *data); 124static void mprsas_abort_complete(struct mpr_softc *sc, struct mpr_command *cm); 125static void mprsas_action_scsiio(struct mprsas_softc *, union ccb *); 126static void mprsas_scsiio_complete(struct mpr_softc *, struct mpr_command *); 127static void mprsas_action_resetdev(struct mprsas_softc *, union ccb *); 128static void mprsas_resetdev_complete(struct mpr_softc *, struct mpr_command *); 129static int mprsas_send_abort(struct mpr_softc *sc, struct mpr_command *tm, 130 struct mpr_command *cm); 131static void mprsas_async(void *callback_arg, uint32_t code, 132 struct cam_path *path, void *arg); 133static int mprsas_send_portenable(struct mpr_softc *sc); 134static void mprsas_portenable_complete(struct mpr_softc *sc, 135 struct mpr_command *cm); 136 137static void mprsas_smpio_complete(struct mpr_softc *sc, struct mpr_command *cm); 138static void mprsas_send_smpcmd(struct mprsas_softc *sassc, union ccb *ccb, 139 uint64_t sasaddr); 140static void mprsas_action_smpio(struct mprsas_softc *sassc, union ccb *ccb); 141 142struct mprsas_target * 143mprsas_find_target_by_handle(struct mprsas_softc *sassc, int start, 144 uint16_t handle) 145{ 146 struct mprsas_target *target; 147 int i; 148 149 for (i = start; i < sassc->maxtargets; i++) { 150 target = &sassc->targets[i]; 151 if (target->handle == handle) 152 return (target); 153 } 154 155 return (NULL); 156} 157 158/* we need to freeze the simq during attach and diag reset, to avoid failing 159 * commands before device handles have been found by discovery. Since 160 * discovery involves reading config pages and possibly sending commands, 161 * discovery actions may continue even after we receive the end of discovery 162 * event, so refcount discovery actions instead of assuming we can unfreeze 163 * the simq when we get the event. 164 */ 165void 166mprsas_startup_increment(struct mprsas_softc *sassc) 167{ 168 MPR_FUNCTRACE(sassc->sc); 169 170 if ((sassc->flags & MPRSAS_IN_STARTUP) != 0) { 171 if (sassc->startup_refcount++ == 0) { 172 /* just starting, freeze the simq */ 173 mpr_dprint(sassc->sc, MPR_INIT, 174 "%s freezing simq\n", __func__); 175 xpt_hold_boot(); 176 xpt_freeze_simq(sassc->sim, 1); 177 } 178 mpr_dprint(sassc->sc, MPR_INIT, "%s refcount %u\n", __func__, 179 sassc->startup_refcount); 180 } 181} 182 183void 184mprsas_release_simq_reinit(struct mprsas_softc *sassc) 185{ 186 if (sassc->flags & MPRSAS_QUEUE_FROZEN) { 187 sassc->flags &= ~MPRSAS_QUEUE_FROZEN; 188 xpt_release_simq(sassc->sim, 1); 189 mpr_dprint(sassc->sc, MPR_INFO, "Unfreezing SIM queue\n"); 190 } 191} 192 193void 194mprsas_startup_decrement(struct mprsas_softc *sassc) 195{ 196 MPR_FUNCTRACE(sassc->sc); 197 198 if ((sassc->flags & MPRSAS_IN_STARTUP) != 0) { 199 if (--sassc->startup_refcount == 0) { 200 /* finished all discovery-related actions, release 201 * the simq and rescan for the latest topology. 202 */ 203 mpr_dprint(sassc->sc, MPR_INIT, 204 "%s releasing simq\n", __func__); 205 sassc->flags &= ~MPRSAS_IN_STARTUP; 206 xpt_release_simq(sassc->sim, 1); 207 xpt_release_boot(); 208 } 209 mpr_dprint(sassc->sc, MPR_INIT, "%s refcount %u\n", __func__, 210 sassc->startup_refcount); 211 } 212} 213 214/* 215 * The firmware requires us to stop sending commands when we're doing task 216 * management. 217 * use. 218 * XXX The logic for serializing the device has been made lazy and moved to 219 * mprsas_prepare_for_tm(). 220 */ 221struct mpr_command * 222mprsas_alloc_tm(struct mpr_softc *sc) 223{ 224 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 225 struct mpr_command *tm; 226 227 MPR_FUNCTRACE(sc); 228 tm = mpr_alloc_high_priority_command(sc); 229 if (tm == NULL) 230 return (NULL); 231 232 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; 233 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; 234 return tm; 235} 236 237void 238mprsas_free_tm(struct mpr_softc *sc, struct mpr_command *tm) 239{ 240 int target_id = 0xFFFFFFFF; 241 242 MPR_FUNCTRACE(sc); 243 if (tm == NULL) 244 return; 245 246 /* 247 * For TM's the devq is frozen for the device. Unfreeze it here and 248 * free the resources used for freezing the devq. Must clear the 249 * INRESET flag as well or scsi I/O will not work. 250 */ 251 if (tm->cm_targ != NULL) { 252 tm->cm_targ->flags &= ~MPRSAS_TARGET_INRESET; 253 target_id = tm->cm_targ->tid; 254 } 255 if (tm->cm_ccb) { 256 mpr_dprint(sc, MPR_INFO, "Unfreezing devq for target ID %d\n", 257 target_id); 258 xpt_release_devq(tm->cm_ccb->ccb_h.path, 1, TRUE); 259 xpt_free_path(tm->cm_ccb->ccb_h.path); 260 xpt_free_ccb(tm->cm_ccb); 261 } 262 263 mpr_free_high_priority_command(sc, tm); 264} 265 266void 267mprsas_rescan_target(struct mpr_softc *sc, struct mprsas_target *targ) 268{ 269 struct mprsas_softc *sassc = sc->sassc; 270 path_id_t pathid; 271 target_id_t targetid; 272 union ccb *ccb; 273 274 MPR_FUNCTRACE(sc); 275 pathid = cam_sim_path(sassc->sim); 276 if (targ == NULL) 277 targetid = CAM_TARGET_WILDCARD; 278 else 279 targetid = targ - sassc->targets; 280 281 /* 282 * Allocate a CCB and schedule a rescan. 283 */ 284 ccb = xpt_alloc_ccb_nowait(); 285 if (ccb == NULL) { 286 mpr_dprint(sc, MPR_ERROR, "unable to alloc CCB for rescan\n"); 287 return; 288 } 289 290 if (xpt_create_path(&ccb->ccb_h.path, NULL, pathid, targetid, 291 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 292 mpr_dprint(sc, MPR_ERROR, "unable to create path for rescan\n"); 293 xpt_free_ccb(ccb); 294 return; 295 } 296 297 if (targetid == CAM_TARGET_WILDCARD) 298 ccb->ccb_h.func_code = XPT_SCAN_BUS; 299 else 300 ccb->ccb_h.func_code = XPT_SCAN_TGT; 301 302 mpr_dprint(sc, MPR_TRACE, "%s targetid %u\n", __func__, targetid); 303 xpt_rescan(ccb); 304} 305 306static void 307mprsas_log_command(struct mpr_command *cm, u_int level, const char *fmt, ...) 308{ 309 struct sbuf sb; 310 va_list ap; 311 char str[224]; 312 char path_str[64]; 313 314 if (cm == NULL) 315 return; 316 317 /* No need to be in here if debugging isn't enabled */ 318 if ((cm->cm_sc->mpr_debug & level) == 0) 319 return; 320 321 sbuf_new(&sb, str, sizeof(str), 0); 322 323 va_start(ap, fmt); 324 325 if (cm->cm_ccb != NULL) { 326 xpt_path_string(cm->cm_ccb->csio.ccb_h.path, path_str, 327 sizeof(path_str)); 328 sbuf_cat(&sb, path_str); 329 if (cm->cm_ccb->ccb_h.func_code == XPT_SCSI_IO) { 330 scsi_command_string(&cm->cm_ccb->csio, &sb); 331 sbuf_printf(&sb, "length %d ", 332 cm->cm_ccb->csio.dxfer_len); 333 } 334 } else { 335 sbuf_printf(&sb, "(noperiph:%s%d:%u:%u:%u): ", 336 cam_sim_name(cm->cm_sc->sassc->sim), 337 cam_sim_unit(cm->cm_sc->sassc->sim), 338 cam_sim_bus(cm->cm_sc->sassc->sim), 339 cm->cm_targ ? cm->cm_targ->tid : 0xFFFFFFFF, 340 cm->cm_lun); 341 } 342 343 sbuf_printf(&sb, "SMID %u ", cm->cm_desc.Default.SMID); 344 sbuf_vprintf(&sb, fmt, ap); 345 sbuf_finish(&sb); 346 mpr_print_field(cm->cm_sc, "%s", sbuf_data(&sb)); 347 348 va_end(ap); 349} 350 351static void 352mprsas_remove_volume(struct mpr_softc *sc, struct mpr_command *tm) 353{ 354 MPI2_SCSI_TASK_MANAGE_REPLY *reply; 355 struct mprsas_target *targ; 356 uint16_t handle; 357 358 MPR_FUNCTRACE(sc); 359 360 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; 361 handle = (uint16_t)(uintptr_t)tm->cm_complete_data; 362 targ = tm->cm_targ; 363 364 if (reply == NULL) { 365 /* XXX retry the remove after the diag reset completes? */ 366 mpr_dprint(sc, MPR_FAULT, "%s NULL reply resetting device " 367 "0x%04x\n", __func__, handle); 368 mprsas_free_tm(sc, tm); 369 return; 370 } 371 372 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != 373 MPI2_IOCSTATUS_SUCCESS) { 374 mpr_dprint(sc, MPR_ERROR, "IOCStatus = 0x%x while resetting " 375 "device 0x%x\n", le16toh(reply->IOCStatus), handle); 376 } 377 378 mpr_dprint(sc, MPR_XINFO, "Reset aborted %u commands\n", 379 le32toh(reply->TerminationCount)); 380 mpr_free_reply(sc, tm->cm_reply_data); 381 tm->cm_reply = NULL; /* Ensures the reply won't get re-freed */ 382 383 mpr_dprint(sc, MPR_XINFO, "clearing target %u handle 0x%04x\n", 384 targ->tid, handle); 385 386 /* 387 * Don't clear target if remove fails because things will get confusing. 388 * Leave the devname and sasaddr intact so that we know to avoid reusing 389 * this target id if possible, and so we can assign the same target id 390 * to this device if it comes back in the future. 391 */ 392 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) == 393 MPI2_IOCSTATUS_SUCCESS) { 394 targ = tm->cm_targ; 395 targ->handle = 0x0; 396 targ->encl_handle = 0x0; 397 targ->encl_level_valid = 0x0; 398 targ->encl_level = 0x0; 399 targ->connector_name[0] = ' '; 400 targ->connector_name[1] = ' '; 401 targ->connector_name[2] = ' '; 402 targ->connector_name[3] = ' '; 403 targ->encl_slot = 0x0; 404 targ->exp_dev_handle = 0x0; 405 targ->phy_num = 0x0; 406 targ->linkrate = 0x0; 407 targ->devinfo = 0x0; 408 targ->flags = 0x0; 409 targ->scsi_req_desc_type = 0; 410 } 411 412 mprsas_free_tm(sc, tm); 413} 414 415/* 416 * No Need to call "MPI2_SAS_OP_REMOVE_DEVICE" For Volume removal. 417 * Otherwise Volume Delete is same as Bare Drive Removal. 418 */ 419void 420mprsas_prepare_volume_remove(struct mprsas_softc *sassc, uint16_t handle) 421{ 422 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 423 struct mpr_softc *sc; 424 struct mpr_command *cm; 425 struct mprsas_target *targ = NULL; 426 427 MPR_FUNCTRACE(sassc->sc); 428 sc = sassc->sc; 429 430 targ = mprsas_find_target_by_handle(sassc, 0, handle); 431 if (targ == NULL) { 432 /* FIXME: what is the action? */ 433 /* We don't know about this device? */ 434 mpr_dprint(sc, MPR_ERROR, 435 "%s %d : invalid handle 0x%x \n", __func__,__LINE__, handle); 436 return; 437 } 438 439 targ->flags |= MPRSAS_TARGET_INREMOVAL; 440 441 cm = mprsas_alloc_tm(sc); 442 if (cm == NULL) { 443 mpr_dprint(sc, MPR_ERROR, 444 "%s: command alloc failure\n", __func__); 445 return; 446 } 447 448 mprsas_rescan_target(sc, targ); 449 450 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req; 451 req->DevHandle = targ->handle; 452 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; 453 454 if (!targ->is_nvme || sc->custom_nvme_tm_handling) { 455 /* SAS Hard Link Reset / SATA Link Reset */ 456 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET; 457 } else { 458 /* PCIe Protocol Level Reset*/ 459 req->MsgFlags = 460 MPI26_SCSITASKMGMT_MSGFLAGS_PROTOCOL_LVL_RST_PCIE; 461 } 462 463 cm->cm_targ = targ; 464 cm->cm_data = NULL; 465 cm->cm_complete = mprsas_remove_volume; 466 cm->cm_complete_data = (void *)(uintptr_t)handle; 467 468 mpr_dprint(sc, MPR_INFO, "%s: Sending reset for target ID %d\n", 469 __func__, targ->tid); 470 mprsas_prepare_for_tm(sc, cm, targ, CAM_LUN_WILDCARD); 471 472 mpr_map_command(sc, cm); 473} 474 475/* 476 * The firmware performs debounce on the link to avoid transient link errors 477 * and false removals. When it does decide that link has been lost and a 478 * device needs to go away, it expects that the host will perform a target reset 479 * and then an op remove. The reset has the side-effect of aborting any 480 * outstanding requests for the device, which is required for the op-remove to 481 * succeed. It's not clear if the host should check for the device coming back 482 * alive after the reset. 483 */ 484void 485mprsas_prepare_remove(struct mprsas_softc *sassc, uint16_t handle) 486{ 487 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 488 struct mpr_softc *sc; 489 struct mpr_command *tm; 490 struct mprsas_target *targ = NULL; 491 492 MPR_FUNCTRACE(sassc->sc); 493 494 sc = sassc->sc; 495 496 targ = mprsas_find_target_by_handle(sassc, 0, handle); 497 if (targ == NULL) { 498 /* FIXME: what is the action? */ 499 /* We don't know about this device? */ 500 mpr_dprint(sc, MPR_ERROR, "%s : invalid handle 0x%x \n", 501 __func__, handle); 502 return; 503 } 504 505 targ->flags |= MPRSAS_TARGET_INREMOVAL; 506 507 tm = mprsas_alloc_tm(sc); 508 if (tm == NULL) { 509 mpr_dprint(sc, MPR_ERROR, "%s: command alloc failure\n", 510 __func__); 511 return; 512 } 513 514 mprsas_rescan_target(sc, targ); 515 516 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; 517 req->DevHandle = htole16(targ->handle); 518 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; 519 520 /* SAS Hard Link Reset / SATA Link Reset */ 521 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET; 522 523 tm->cm_targ = targ; 524 tm->cm_data = NULL; 525 tm->cm_complete = mprsas_remove_device; 526 tm->cm_complete_data = (void *)(uintptr_t)handle; 527 528 mpr_dprint(sc, MPR_INFO, "%s: Sending reset for target ID %d\n", 529 __func__, targ->tid); 530 mprsas_prepare_for_tm(sc, tm, targ, CAM_LUN_WILDCARD); 531 532 mpr_map_command(sc, tm); 533} 534 535static void 536mprsas_remove_device(struct mpr_softc *sc, struct mpr_command *tm) 537{ 538 MPI2_SCSI_TASK_MANAGE_REPLY *reply; 539 MPI2_SAS_IOUNIT_CONTROL_REQUEST *req; 540 struct mprsas_target *targ; 541 uint16_t handle; 542 543 MPR_FUNCTRACE(sc); 544 545 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; 546 handle = (uint16_t)(uintptr_t)tm->cm_complete_data; 547 targ = tm->cm_targ; 548 549 /* 550 * Currently there should be no way we can hit this case. It only 551 * happens when we have a failure to allocate chain frames, and 552 * task management commands don't have S/G lists. 553 */ 554 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { 555 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for remove of " 556 "handle %#04x! This should not happen!\n", __func__, 557 tm->cm_flags, handle); 558 } 559 560 if (reply == NULL) { 561 /* XXX retry the remove after the diag reset completes? */ 562 mpr_dprint(sc, MPR_FAULT, "%s NULL reply resetting device " 563 "0x%04x\n", __func__, handle); 564 mprsas_free_tm(sc, tm); 565 return; 566 } 567 568 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != 569 MPI2_IOCSTATUS_SUCCESS) { 570 mpr_dprint(sc, MPR_ERROR, "IOCStatus = 0x%x while resetting " 571 "device 0x%x\n", le16toh(reply->IOCStatus), handle); 572 } 573 574 mpr_dprint(sc, MPR_XINFO, "Reset aborted %u commands\n", 575 le32toh(reply->TerminationCount)); 576 mpr_free_reply(sc, tm->cm_reply_data); 577 tm->cm_reply = NULL; /* Ensures the reply won't get re-freed */ 578 579 /* Reuse the existing command */ 580 req = (MPI2_SAS_IOUNIT_CONTROL_REQUEST *)tm->cm_req; 581 memset(req, 0, sizeof(*req)); 582 req->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; 583 req->Operation = MPI2_SAS_OP_REMOVE_DEVICE; 584 req->DevHandle = htole16(handle); 585 tm->cm_data = NULL; 586 tm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 587 tm->cm_complete = mprsas_remove_complete; 588 tm->cm_complete_data = (void *)(uintptr_t)handle; 589 590 /* 591 * Wait to send the REMOVE_DEVICE until all the commands have cleared. 592 * They should be aborted or time out and we'll kick thus off there 593 * if so. 594 */ 595 if (TAILQ_FIRST(&targ->commands) == NULL) { 596 mpr_dprint(sc, MPR_INFO, "No pending commands: starting remove_device\n"); 597 mpr_map_command(sc, tm); 598 targ->pending_remove_tm = NULL; 599 } else { 600 targ->pending_remove_tm = tm; 601 } 602 603 mpr_dprint(sc, MPR_INFO, "clearing target %u handle 0x%04x\n", 604 targ->tid, handle); 605 if (targ->encl_level_valid) { 606 mpr_dprint(sc, MPR_INFO, "At enclosure level %d, slot %d, " 607 "connector name (%4s)\n", targ->encl_level, targ->encl_slot, 608 targ->connector_name); 609 } 610} 611 612static void 613mprsas_remove_complete(struct mpr_softc *sc, struct mpr_command *tm) 614{ 615 MPI2_SAS_IOUNIT_CONTROL_REPLY *reply; 616 uint16_t handle; 617 struct mprsas_target *targ; 618 struct mprsas_lun *lun; 619 620 MPR_FUNCTRACE(sc); 621 622 reply = (MPI2_SAS_IOUNIT_CONTROL_REPLY *)tm->cm_reply; 623 handle = (uint16_t)(uintptr_t)tm->cm_complete_data; 624 625 targ = tm->cm_targ; 626 627 /* 628 * At this point, we should have no pending commands for the target. 629 * The remove target has just completed. 630 */ 631 KASSERT(TAILQ_FIRST(&targ->commands) == NULL, 632 ("%s: no commands should be pending\n", __func__)); 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->handle = 0x0; 667 targ->encl_handle = 0x0; 668 targ->encl_level_valid = 0x0; 669 targ->encl_level = 0x0; 670 targ->connector_name[0] = ' '; 671 targ->connector_name[1] = ' '; 672 targ->connector_name[2] = ' '; 673 targ->connector_name[3] = ' '; 674 targ->encl_slot = 0x0; 675 targ->exp_dev_handle = 0x0; 676 targ->phy_num = 0x0; 677 targ->linkrate = 0x0; 678 targ->devinfo = 0x0; 679 targ->flags = 0x0; 680 targ->scsi_req_desc_type = 0; 681 682 while (!SLIST_EMPTY(&targ->luns)) { 683 lun = SLIST_FIRST(&targ->luns); 684 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 685 free(lun, M_MPR); 686 } 687 } 688 689 mprsas_free_tm(sc, tm); 690} 691 692static int 693mprsas_register_events(struct mpr_softc *sc) 694{ 695 uint8_t events[16]; 696 697 bzero(events, 16); 698 setbit(events, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); 699 setbit(events, MPI2_EVENT_SAS_DISCOVERY); 700 setbit(events, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE); 701 setbit(events, MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE); 702 setbit(events, MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW); 703 setbit(events, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST); 704 setbit(events, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE); 705 setbit(events, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST); 706 setbit(events, MPI2_EVENT_IR_VOLUME); 707 setbit(events, MPI2_EVENT_IR_PHYSICAL_DISK); 708 setbit(events, MPI2_EVENT_IR_OPERATION_STATUS); 709 setbit(events, MPI2_EVENT_TEMP_THRESHOLD); 710 setbit(events, MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR); 711 if (sc->facts->MsgVersion >= MPI2_VERSION_02_06) { 712 setbit(events, MPI2_EVENT_ACTIVE_CABLE_EXCEPTION); 713 if (sc->mpr_flags & MPR_FLAGS_GEN35_IOC) { 714 setbit(events, MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE); 715 setbit(events, MPI2_EVENT_PCIE_ENUMERATION); 716 setbit(events, MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST); 717 } 718 } 719 720 mpr_register_events(sc, events, mprsas_evt_handler, NULL, 721 &sc->sassc->mprsas_eh); 722 723 return (0); 724} 725 726int 727mpr_attach_sas(struct mpr_softc *sc) 728{ 729 struct mprsas_softc *sassc; 730 cam_status status; 731 int unit, error = 0, reqs; 732 733 MPR_FUNCTRACE(sc); 734 mpr_dprint(sc, MPR_INIT, "%s entered\n", __func__); 735 736 sassc = malloc(sizeof(struct mprsas_softc), M_MPR, M_WAITOK|M_ZERO); 737 738 /* 739 * XXX MaxTargets could change during a reinit. Since we don't 740 * resize the targets[] array during such an event, cache the value 741 * of MaxTargets here so that we don't get into trouble later. This 742 * should move into the reinit logic. 743 */ 744 sassc->maxtargets = sc->facts->MaxTargets + sc->facts->MaxVolumes; 745 sassc->targets = malloc(sizeof(struct mprsas_target) * 746 sassc->maxtargets, M_MPR, M_WAITOK|M_ZERO); 747 sc->sassc = sassc; 748 sassc->sc = sc; 749 750 reqs = sc->num_reqs - sc->num_prireqs - 1; 751 if ((sassc->devq = cam_simq_alloc(reqs)) == NULL) { 752 mpr_dprint(sc, MPR_INIT|MPR_ERROR, "Cannot allocate SIMQ\n"); 753 error = ENOMEM; 754 goto out; 755 } 756 757 unit = device_get_unit(sc->mpr_dev); 758 sassc->sim = cam_sim_alloc(mprsas_action, mprsas_poll, "mpr", sassc, 759 unit, &sc->mpr_mtx, reqs, reqs, sassc->devq); 760 if (sassc->sim == NULL) { 761 mpr_dprint(sc, MPR_INIT|MPR_ERROR, "Cannot allocate SIM\n"); 762 error = EINVAL; 763 goto out; 764 } 765 766 TAILQ_INIT(&sassc->ev_queue); 767 768 /* Initialize taskqueue for Event Handling */ 769 TASK_INIT(&sassc->ev_task, 0, mprsas_firmware_event_work, sc); 770 sassc->ev_tq = taskqueue_create("mpr_taskq", M_NOWAIT | M_ZERO, 771 taskqueue_thread_enqueue, &sassc->ev_tq); 772 taskqueue_start_threads(&sassc->ev_tq, 1, PRIBIO, "%s taskq", 773 device_get_nameunit(sc->mpr_dev)); 774 775 mpr_lock(sc); 776 777 /* 778 * XXX There should be a bus for every port on the adapter, but since 779 * we're just going to fake the topology for now, we'll pretend that 780 * everything is just a target on a single bus. 781 */ 782 if ((error = xpt_bus_register(sassc->sim, sc->mpr_dev, 0)) != 0) { 783 mpr_dprint(sc, MPR_INIT|MPR_ERROR, 784 "Error %d registering SCSI bus\n", error); 785 mpr_unlock(sc); 786 goto out; 787 } 788 789 /* 790 * Assume that discovery events will start right away. 791 * 792 * Hold off boot until discovery is complete. 793 */ 794 sassc->flags |= MPRSAS_IN_STARTUP | MPRSAS_IN_DISCOVERY; 795 sc->sassc->startup_refcount = 0; 796 mprsas_startup_increment(sassc); 797 798 callout_init(&sassc->discovery_callout, 1 /*mpsafe*/); 799 800 /* 801 * Register for async events so we can determine the EEDP 802 * capabilities of devices. 803 */ 804 status = xpt_create_path(&sassc->path, /*periph*/NULL, 805 cam_sim_path(sc->sassc->sim), CAM_TARGET_WILDCARD, 806 CAM_LUN_WILDCARD); 807 if (status != CAM_REQ_CMP) { 808 mpr_dprint(sc, MPR_INIT|MPR_ERROR, 809 "Error %#x creating sim path\n", status); 810 sassc->path = NULL; 811 } else { 812 int event; 813 814 event = AC_ADVINFO_CHANGED | AC_FOUND_DEVICE; 815 status = xpt_register_async(event, mprsas_async, sc, 816 sassc->path); 817 818 if (status != CAM_REQ_CMP) { 819 mpr_dprint(sc, MPR_ERROR, 820 "Error %#x registering async handler for " 821 "AC_ADVINFO_CHANGED events\n", status); 822 xpt_free_path(sassc->path); 823 sassc->path = NULL; 824 } 825 } 826 if (status != CAM_REQ_CMP) { 827 /* 828 * EEDP use is the exception, not the rule. 829 * Warn the user, but do not fail to attach. 830 */ 831 mpr_printf(sc, "EEDP capabilities disabled.\n"); 832 } 833 834 mpr_unlock(sc); 835 836 mprsas_register_events(sc); 837out: 838 if (error) 839 mpr_detach_sas(sc); 840 841 mpr_dprint(sc, MPR_INIT, "%s exit, error= %d\n", __func__, error); 842 return (error); 843} 844 845int 846mpr_detach_sas(struct mpr_softc *sc) 847{ 848 struct mprsas_softc *sassc; 849 struct mprsas_lun *lun, *lun_tmp; 850 struct mprsas_target *targ; 851 int i; 852 853 MPR_FUNCTRACE(sc); 854 855 if (sc->sassc == NULL) 856 return (0); 857 858 sassc = sc->sassc; 859 mpr_deregister_events(sc, sassc->mprsas_eh); 860 861 /* 862 * Drain and free the event handling taskqueue with the lock 863 * unheld so that any parallel processing tasks drain properly 864 * without deadlocking. 865 */ 866 if (sassc->ev_tq != NULL) 867 taskqueue_free(sassc->ev_tq); 868 869 /* Make sure CAM doesn't wedge if we had to bail out early. */ 870 mpr_lock(sc); 871 872 while (sassc->startup_refcount != 0) 873 mprsas_startup_decrement(sassc); 874 875 /* Deregister our async handler */ 876 if (sassc->path != NULL) { 877 xpt_register_async(0, mprsas_async, sc, sassc->path); 878 xpt_free_path(sassc->path); 879 sassc->path = NULL; 880 } 881 882 if (sassc->flags & MPRSAS_IN_STARTUP) 883 xpt_release_simq(sassc->sim, 1); 884 885 if (sassc->sim != NULL) { 886 xpt_bus_deregister(cam_sim_path(sassc->sim)); 887 cam_sim_free(sassc->sim, FALSE); 888 } 889 890 mpr_unlock(sc); 891 892 if (sassc->devq != NULL) 893 cam_simq_free(sassc->devq); 894 895 for (i = 0; i < sassc->maxtargets; i++) { 896 targ = &sassc->targets[i]; 897 SLIST_FOREACH_SAFE(lun, &targ->luns, lun_link, lun_tmp) { 898 free(lun, M_MPR); 899 } 900 } 901 free(sassc->targets, M_MPR); 902 free(sassc, M_MPR); 903 sc->sassc = NULL; 904 905 return (0); 906} 907 908void 909mprsas_discovery_end(struct mprsas_softc *sassc) 910{ 911 struct mpr_softc *sc = sassc->sc; 912 913 MPR_FUNCTRACE(sc); 914 915 if (sassc->flags & MPRSAS_DISCOVERY_TIMEOUT_PENDING) 916 callout_stop(&sassc->discovery_callout); 917 918 /* 919 * After discovery has completed, check the mapping table for any 920 * missing devices and update their missing counts. Only do this once 921 * whenever the driver is initialized so that missing counts aren't 922 * updated unnecessarily. Note that just because discovery has 923 * completed doesn't mean that events have been processed yet. The 924 * check_devices function is a callout timer that checks if ALL devices 925 * are missing. If so, it will wait a little longer for events to 926 * complete and keep resetting itself until some device in the mapping 927 * table is not missing, meaning that event processing has started. 928 */ 929 if (sc->track_mapping_events) { 930 mpr_dprint(sc, MPR_XINFO | MPR_MAPPING, "Discovery has " 931 "completed. Check for missing devices in the mapping " 932 "table.\n"); 933 callout_reset(&sc->device_check_callout, 934 MPR_MISSING_CHECK_DELAY * hz, mpr_mapping_check_devices, 935 sc); 936 } 937} 938 939static void 940mprsas_action(struct cam_sim *sim, union ccb *ccb) 941{ 942 struct mprsas_softc *sassc; 943 944 sassc = cam_sim_softc(sim); 945 946 MPR_FUNCTRACE(sassc->sc); 947 mpr_dprint(sassc->sc, MPR_TRACE, "ccb func_code 0x%x\n", 948 ccb->ccb_h.func_code); 949 mtx_assert(&sassc->sc->mpr_mtx, MA_OWNED); 950 951 switch (ccb->ccb_h.func_code) { 952 case XPT_PATH_INQ: 953 { 954 struct ccb_pathinq *cpi = &ccb->cpi; 955 struct mpr_softc *sc = sassc->sc; 956 957 cpi->version_num = 1; 958 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 959 cpi->target_sprt = 0; 960 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED | PIM_NOSCAN; 961 cpi->hba_eng_cnt = 0; 962 cpi->max_target = sassc->maxtargets - 1; 963 cpi->max_lun = 255; 964 965 /* 966 * initiator_id is set here to an ID outside the set of valid 967 * target IDs (including volumes). 968 */ 969 cpi->initiator_id = sassc->maxtargets; 970 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 971 strlcpy(cpi->hba_vid, "Avago Tech", HBA_IDLEN); 972 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 973 cpi->unit_number = cam_sim_unit(sim); 974 cpi->bus_id = cam_sim_bus(sim); 975 /* 976 * XXXSLM-I think this needs to change based on config page or 977 * something instead of hardcoded to 150000. 978 */ 979 cpi->base_transfer_speed = 150000; 980 cpi->transport = XPORT_SAS; 981 cpi->transport_version = 0; 982 cpi->protocol = PROTO_SCSI; 983 cpi->protocol_version = SCSI_REV_SPC; 984 cpi->maxio = sc->maxio; 985 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 986 break; 987 } 988 case XPT_GET_TRAN_SETTINGS: 989 { 990 struct ccb_trans_settings *cts; 991 struct ccb_trans_settings_sas *sas; 992 struct ccb_trans_settings_scsi *scsi; 993 struct mprsas_target *targ; 994 995 cts = &ccb->cts; 996 sas = &cts->xport_specific.sas; 997 scsi = &cts->proto_specific.scsi; 998 999 KASSERT(cts->ccb_h.target_id < sassc->maxtargets, 1000 ("Target %d out of bounds in XPT_GET_TRAN_SETTINGS\n", 1001 cts->ccb_h.target_id)); 1002 targ = &sassc->targets[cts->ccb_h.target_id]; 1003 if (targ->handle == 0x0) { 1004 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 1005 break; 1006 } 1007 1008 cts->protocol_version = SCSI_REV_SPC2; 1009 cts->transport = XPORT_SAS; 1010 cts->transport_version = 0; 1011 1012 sas->valid = CTS_SAS_VALID_SPEED; 1013 switch (targ->linkrate) { 1014 case 0x08: 1015 sas->bitrate = 150000; 1016 break; 1017 case 0x09: 1018 sas->bitrate = 300000; 1019 break; 1020 case 0x0a: 1021 sas->bitrate = 600000; 1022 break; 1023 case 0x0b: 1024 sas->bitrate = 1200000; 1025 break; 1026 default: 1027 sas->valid = 0; 1028 } 1029 1030 cts->protocol = PROTO_SCSI; 1031 scsi->valid = CTS_SCSI_VALID_TQ; 1032 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 1033 1034 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 1035 break; 1036 } 1037 case XPT_CALC_GEOMETRY: 1038 cam_calc_geometry(&ccb->ccg, /*extended*/1); 1039 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 1040 break; 1041 case XPT_RESET_DEV: 1042 mpr_dprint(sassc->sc, MPR_XINFO, "mprsas_action " 1043 "XPT_RESET_DEV\n"); 1044 mprsas_action_resetdev(sassc, ccb); 1045 return; 1046 case XPT_RESET_BUS: 1047 case XPT_ABORT: 1048 case XPT_TERM_IO: 1049 mpr_dprint(sassc->sc, MPR_XINFO, "mprsas_action faking success " 1050 "for abort or reset\n"); 1051 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 1052 break; 1053 case XPT_SCSI_IO: 1054 mprsas_action_scsiio(sassc, ccb); 1055 return; 1056 case XPT_SMP_IO: 1057 mprsas_action_smpio(sassc, ccb); 1058 return; 1059 default: 1060 mprsas_set_ccbstatus(ccb, CAM_FUNC_NOTAVAIL); 1061 break; 1062 } 1063 xpt_done(ccb); 1064 1065} 1066 1067static void 1068mprsas_announce_reset(struct mpr_softc *sc, uint32_t ac_code, 1069 target_id_t target_id, lun_id_t lun_id) 1070{ 1071 path_id_t path_id = cam_sim_path(sc->sassc->sim); 1072 struct cam_path *path; 1073 1074 mpr_dprint(sc, MPR_XINFO, "%s code %x target %d lun %jx\n", __func__, 1075 ac_code, target_id, (uintmax_t)lun_id); 1076 1077 if (xpt_create_path(&path, NULL, 1078 path_id, target_id, lun_id) != CAM_REQ_CMP) { 1079 mpr_dprint(sc, MPR_ERROR, "unable to create path for reset " 1080 "notification\n"); 1081 return; 1082 } 1083 1084 xpt_async(ac_code, path, NULL); 1085 xpt_free_path(path); 1086} 1087 1088static void 1089mprsas_complete_all_commands(struct mpr_softc *sc) 1090{ 1091 struct mpr_command *cm; 1092 int i; 1093 int completed; 1094 1095 MPR_FUNCTRACE(sc); 1096 mtx_assert(&sc->mpr_mtx, MA_OWNED); 1097 1098 /* complete all commands with a NULL reply */ 1099 for (i = 1; i < sc->num_reqs; i++) { 1100 cm = &sc->commands[i]; 1101 if (cm->cm_state == MPR_CM_STATE_FREE) 1102 continue; 1103 1104 cm->cm_state = MPR_CM_STATE_BUSY; 1105 cm->cm_reply = NULL; 1106 completed = 0; 1107 1108 if (cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) { 1109 MPASS(cm->cm_data); 1110 free(cm->cm_data, M_MPR); 1111 cm->cm_data = NULL; 1112 } 1113 1114 if (cm->cm_flags & MPR_CM_FLAGS_POLLED) 1115 cm->cm_flags |= MPR_CM_FLAGS_COMPLETE; 1116 1117 if (cm->cm_complete != NULL) { 1118 mprsas_log_command(cm, MPR_RECOVERY, 1119 "completing cm %p state %x ccb %p for diag reset\n", 1120 cm, cm->cm_state, cm->cm_ccb); 1121 cm->cm_complete(sc, cm); 1122 completed = 1; 1123 } else if (cm->cm_flags & MPR_CM_FLAGS_WAKEUP) { 1124 mprsas_log_command(cm, MPR_RECOVERY, 1125 "waking up cm %p state %x ccb %p for diag reset\n", 1126 cm, cm->cm_state, cm->cm_ccb); 1127 wakeup(cm); 1128 completed = 1; 1129 } 1130 1131 if ((completed == 0) && (cm->cm_state != MPR_CM_STATE_FREE)) { 1132 /* this should never happen, but if it does, log */ 1133 mprsas_log_command(cm, MPR_RECOVERY, 1134 "cm %p state %x flags 0x%x ccb %p during diag " 1135 "reset\n", cm, cm->cm_state, cm->cm_flags, 1136 cm->cm_ccb); 1137 } 1138 } 1139 1140 sc->io_cmds_active = 0; 1141} 1142 1143void 1144mprsas_handle_reinit(struct mpr_softc *sc) 1145{ 1146 int i; 1147 1148 /* Go back into startup mode and freeze the simq, so that CAM 1149 * doesn't send any commands until after we've rediscovered all 1150 * targets and found the proper device handles for them. 1151 * 1152 * After the reset, portenable will trigger discovery, and after all 1153 * discovery-related activities have finished, the simq will be 1154 * released. 1155 */ 1156 mpr_dprint(sc, MPR_INIT, "%s startup\n", __func__); 1157 sc->sassc->flags |= MPRSAS_IN_STARTUP; 1158 sc->sassc->flags |= MPRSAS_IN_DISCOVERY; 1159 mprsas_startup_increment(sc->sassc); 1160 1161 /* notify CAM of a bus reset */ 1162 mprsas_announce_reset(sc, AC_BUS_RESET, CAM_TARGET_WILDCARD, 1163 CAM_LUN_WILDCARD); 1164 1165 /* complete and cleanup after all outstanding commands */ 1166 mprsas_complete_all_commands(sc); 1167 1168 mpr_dprint(sc, MPR_INIT, "%s startup %u after command completion\n", 1169 __func__, sc->sassc->startup_refcount); 1170 1171 /* zero all the target handles, since they may change after the 1172 * reset, and we have to rediscover all the targets and use the new 1173 * handles. 1174 */ 1175 for (i = 0; i < sc->sassc->maxtargets; i++) { 1176 if (sc->sassc->targets[i].outstanding != 0) 1177 mpr_dprint(sc, MPR_INIT, "target %u outstanding %u\n", 1178 i, sc->sassc->targets[i].outstanding); 1179 sc->sassc->targets[i].handle = 0x0; 1180 sc->sassc->targets[i].exp_dev_handle = 0x0; 1181 sc->sassc->targets[i].outstanding = 0; 1182 sc->sassc->targets[i].flags = MPRSAS_TARGET_INDIAGRESET; 1183 } 1184} 1185static void 1186mprsas_tm_timeout(void *data) 1187{ 1188 struct mpr_command *tm = data; 1189 struct mpr_softc *sc = tm->cm_sc; 1190 1191 mtx_assert(&sc->mpr_mtx, MA_OWNED); 1192 1193 mprsas_log_command(tm, MPR_INFO|MPR_RECOVERY, "task mgmt %p timed " 1194 "out\n", tm); 1195 1196 KASSERT(tm->cm_state == MPR_CM_STATE_INQUEUE, 1197 ("command not inqueue\n")); 1198 1199 tm->cm_state = MPR_CM_STATE_BUSY; 1200 mpr_reinit(sc); 1201} 1202 1203static void 1204mprsas_logical_unit_reset_complete(struct mpr_softc *sc, struct mpr_command *tm) 1205{ 1206 MPI2_SCSI_TASK_MANAGE_REPLY *reply; 1207 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 1208 unsigned int cm_count = 0; 1209 struct mpr_command *cm; 1210 struct mprsas_target *targ; 1211 1212 callout_stop(&tm->cm_callout); 1213 1214 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; 1215 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; 1216 targ = tm->cm_targ; 1217 1218 /* 1219 * Currently there should be no way we can hit this case. It only 1220 * happens when we have a failure to allocate chain frames, and 1221 * task management commands don't have S/G lists. 1222 */ 1223 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { 1224 mpr_dprint(sc, MPR_RECOVERY|MPR_ERROR, 1225 "%s: cm_flags = %#x for LUN reset! " 1226 "This should not happen!\n", __func__, tm->cm_flags); 1227 mprsas_free_tm(sc, tm); 1228 return; 1229 } 1230 1231 if (reply == NULL) { 1232 mpr_dprint(sc, MPR_RECOVERY, "NULL reset reply for tm %p\n", 1233 tm); 1234 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) { 1235 /* this completion was due to a reset, just cleanup */ 1236 mpr_dprint(sc, MPR_RECOVERY, "Hardware undergoing " 1237 "reset, ignoring NULL LUN reset reply\n"); 1238 targ->tm = NULL; 1239 mprsas_free_tm(sc, tm); 1240 } 1241 else { 1242 /* we should have gotten a reply. */ 1243 mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, "NULL reply on " 1244 "LUN reset attempt, resetting controller\n"); 1245 mpr_reinit(sc); 1246 } 1247 return; 1248 } 1249 1250 mpr_dprint(sc, MPR_RECOVERY, 1251 "logical unit reset status 0x%x code 0x%x count %u\n", 1252 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode), 1253 le32toh(reply->TerminationCount)); 1254 1255 /* 1256 * See if there are any outstanding commands for this LUN. 1257 * This could be made more efficient by using a per-LU data 1258 * structure of some sort. 1259 */ 1260 TAILQ_FOREACH(cm, &targ->commands, cm_link) { 1261 if (cm->cm_lun == tm->cm_lun) 1262 cm_count++; 1263 } 1264 1265 if (cm_count == 0) { 1266 mpr_dprint(sc, MPR_RECOVERY|MPR_INFO, 1267 "Finished recovery after LUN reset for target %u\n", 1268 targ->tid); 1269 1270 mprsas_announce_reset(sc, AC_SENT_BDR, targ->tid, 1271 tm->cm_lun); 1272 1273 /* 1274 * We've finished recovery for this logical unit. check and 1275 * see if some other logical unit has a timedout command 1276 * that needs to be processed. 1277 */ 1278 cm = TAILQ_FIRST(&targ->timedout_commands); 1279 if (cm) { 1280 mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, 1281 "More commands to abort for target %u\n", targ->tid); 1282 mprsas_send_abort(sc, tm, cm); 1283 } else { 1284 targ->tm = NULL; 1285 mprsas_free_tm(sc, tm); 1286 } 1287 } else { 1288 /* if we still have commands for this LUN, the reset 1289 * effectively failed, regardless of the status reported. 1290 * Escalate to a target reset. 1291 */ 1292 mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, 1293 "logical unit reset complete for target %u, but still " 1294 "have %u command(s), sending target reset\n", targ->tid, 1295 cm_count); 1296 if (!targ->is_nvme || sc->custom_nvme_tm_handling) 1297 mprsas_send_reset(sc, tm, 1298 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET); 1299 else 1300 mpr_reinit(sc); 1301 } 1302} 1303 1304static void 1305mprsas_target_reset_complete(struct mpr_softc *sc, struct mpr_command *tm) 1306{ 1307 MPI2_SCSI_TASK_MANAGE_REPLY *reply; 1308 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 1309 struct mprsas_target *targ; 1310 1311 callout_stop(&tm->cm_callout); 1312 1313 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; 1314 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; 1315 targ = tm->cm_targ; 1316 1317 /* 1318 * Currently there should be no way we can hit this case. It only 1319 * happens when we have a failure to allocate chain frames, and 1320 * task management commands don't have S/G lists. 1321 */ 1322 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { 1323 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for target " 1324 "reset! This should not happen!\n", __func__, tm->cm_flags); 1325 mprsas_free_tm(sc, tm); 1326 return; 1327 } 1328 1329 if (reply == NULL) { 1330 mpr_dprint(sc, MPR_RECOVERY, 1331 "NULL target reset reply for tm %p TaskMID %u\n", 1332 tm, le16toh(req->TaskMID)); 1333 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) { 1334 /* this completion was due to a reset, just cleanup */ 1335 mpr_dprint(sc, MPR_RECOVERY, "Hardware undergoing " 1336 "reset, ignoring NULL target reset reply\n"); 1337 targ->tm = NULL; 1338 mprsas_free_tm(sc, tm); 1339 } 1340 else { 1341 /* we should have gotten a reply. */ 1342 mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, "NULL reply on " 1343 "target reset attempt, resetting controller\n"); 1344 mpr_reinit(sc); 1345 } 1346 return; 1347 } 1348 1349 mpr_dprint(sc, MPR_RECOVERY, 1350 "target reset status 0x%x code 0x%x count %u\n", 1351 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode), 1352 le32toh(reply->TerminationCount)); 1353 1354 if (targ->outstanding == 0) { 1355 /* 1356 * We've finished recovery for this target and all 1357 * of its logical units. 1358 */ 1359 mpr_dprint(sc, MPR_RECOVERY|MPR_INFO, 1360 "Finished reset recovery for target %u\n", targ->tid); 1361 1362 mprsas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid, 1363 CAM_LUN_WILDCARD); 1364 1365 targ->tm = NULL; 1366 mprsas_free_tm(sc, tm); 1367 } else { 1368 /* 1369 * After a target reset, if this target still has 1370 * outstanding commands, the reset effectively failed, 1371 * regardless of the status reported. escalate. 1372 */ 1373 mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, 1374 "Target reset complete for target %u, but still have %u " 1375 "command(s), resetting controller\n", targ->tid, 1376 targ->outstanding); 1377 mpr_reinit(sc); 1378 } 1379} 1380 1381#define MPR_RESET_TIMEOUT 30 1382 1383int 1384mprsas_send_reset(struct mpr_softc *sc, struct mpr_command *tm, uint8_t type) 1385{ 1386 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 1387 struct mprsas_target *target; 1388 int err, timeout; 1389 1390 target = tm->cm_targ; 1391 if (target->handle == 0) { 1392 mpr_dprint(sc, MPR_ERROR, "%s null devhandle for target_id " 1393 "%d\n", __func__, target->tid); 1394 return -1; 1395 } 1396 1397 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; 1398 req->DevHandle = htole16(target->handle); 1399 req->TaskType = type; 1400 1401 if (!target->is_nvme || sc->custom_nvme_tm_handling) { 1402 timeout = MPR_RESET_TIMEOUT; 1403 /* 1404 * Target reset method = 1405 * SAS Hard Link Reset / SATA Link Reset 1406 */ 1407 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET; 1408 } else { 1409 timeout = (target->controller_reset_timeout) ? ( 1410 target->controller_reset_timeout) : (MPR_RESET_TIMEOUT); 1411 /* PCIe Protocol Level Reset*/ 1412 req->MsgFlags = 1413 MPI26_SCSITASKMGMT_MSGFLAGS_PROTOCOL_LVL_RST_PCIE; 1414 } 1415 1416 if (type == MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET) { 1417 /* XXX Need to handle invalid LUNs */ 1418 MPR_SET_LUN(req->LUN, tm->cm_lun); 1419 tm->cm_targ->logical_unit_resets++; 1420 mpr_dprint(sc, MPR_RECOVERY|MPR_INFO, 1421 "Sending logical unit reset to target %u lun %d\n", 1422 target->tid, tm->cm_lun); 1423 tm->cm_complete = mprsas_logical_unit_reset_complete; 1424 mprsas_prepare_for_tm(sc, tm, target, tm->cm_lun); 1425 } else if (type == MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET) { 1426 tm->cm_targ->target_resets++; 1427 mpr_dprint(sc, MPR_RECOVERY|MPR_INFO, 1428 "Sending target reset to target %u\n", target->tid); 1429 tm->cm_complete = mprsas_target_reset_complete; 1430 mprsas_prepare_for_tm(sc, tm, target, CAM_LUN_WILDCARD); 1431 } 1432 else { 1433 mpr_dprint(sc, MPR_ERROR, "unexpected reset type 0x%x\n", type); 1434 return -1; 1435 } 1436 1437 if (target->encl_level_valid) { 1438 mpr_dprint(sc, MPR_RECOVERY|MPR_INFO, 1439 "At enclosure level %d, slot %d, connector name (%4s)\n", 1440 target->encl_level, target->encl_slot, 1441 target->connector_name); 1442 } 1443 1444 tm->cm_data = NULL; 1445 tm->cm_complete_data = (void *)tm; 1446 1447 callout_reset(&tm->cm_callout, timeout * hz, 1448 mprsas_tm_timeout, tm); 1449 1450 err = mpr_map_command(sc, tm); 1451 if (err) 1452 mpr_dprint(sc, MPR_ERROR|MPR_RECOVERY, 1453 "error %d sending reset type %u\n", err, type); 1454 1455 return err; 1456} 1457 1458static void 1459mprsas_abort_complete(struct mpr_softc *sc, struct mpr_command *tm) 1460{ 1461 struct mpr_command *cm; 1462 MPI2_SCSI_TASK_MANAGE_REPLY *reply; 1463 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 1464 struct mprsas_target *targ; 1465 1466 callout_stop(&tm->cm_callout); 1467 1468 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; 1469 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; 1470 targ = tm->cm_targ; 1471 1472 /* 1473 * Currently there should be no way we can hit this case. It only 1474 * happens when we have a failure to allocate chain frames, and 1475 * task management commands don't have S/G lists. 1476 */ 1477 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { 1478 mpr_dprint(sc, MPR_RECOVERY|MPR_ERROR, 1479 "cm_flags = %#x for abort %p TaskMID %u!\n", 1480 tm->cm_flags, tm, le16toh(req->TaskMID)); 1481 mprsas_free_tm(sc, tm); 1482 return; 1483 } 1484 1485 if (reply == NULL) { 1486 mpr_dprint(sc, MPR_RECOVERY, 1487 "NULL abort reply for tm %p TaskMID %u\n", 1488 tm, le16toh(req->TaskMID)); 1489 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) { 1490 /* this completion was due to a reset, just cleanup */ 1491 mpr_dprint(sc, MPR_RECOVERY, "Hardware undergoing " 1492 "reset, ignoring NULL abort reply\n"); 1493 targ->tm = NULL; 1494 mprsas_free_tm(sc, tm); 1495 } else { 1496 /* we should have gotten a reply. */ 1497 mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, "NULL reply on " 1498 "abort attempt, resetting controller\n"); 1499 mpr_reinit(sc); 1500 } 1501 return; 1502 } 1503 1504 mpr_dprint(sc, MPR_RECOVERY, 1505 "abort TaskMID %u status 0x%x code 0x%x count %u\n", 1506 le16toh(req->TaskMID), 1507 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode), 1508 le32toh(reply->TerminationCount)); 1509 1510 cm = TAILQ_FIRST(&tm->cm_targ->timedout_commands); 1511 if (cm == NULL) { 1512 /* 1513 * if there are no more timedout commands, we're done with 1514 * error recovery for this target. 1515 */ 1516 mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, 1517 "Finished abort recovery for target %u\n", targ->tid); 1518 targ->tm = NULL; 1519 mprsas_free_tm(sc, tm); 1520 } else if (le16toh(req->TaskMID) != cm->cm_desc.Default.SMID) { 1521 /* abort success, but we have more timedout commands to abort */ 1522 mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, 1523 "Continuing abort recovery for target %u\n", targ->tid); 1524 mprsas_send_abort(sc, tm, cm); 1525 } else { 1526 /* 1527 * we didn't get a command completion, so the abort 1528 * failed as far as we're concerned. escalate. 1529 */ 1530 mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, 1531 "Abort failed for target %u, sending logical unit reset\n", 1532 targ->tid); 1533 1534 mprsas_send_reset(sc, tm, 1535 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET); 1536 } 1537} 1538 1539#define MPR_ABORT_TIMEOUT 5 1540 1541static int 1542mprsas_send_abort(struct mpr_softc *sc, struct mpr_command *tm, 1543 struct mpr_command *cm) 1544{ 1545 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 1546 struct mprsas_target *targ; 1547 int err, timeout; 1548 1549 targ = cm->cm_targ; 1550 if (targ->handle == 0) { 1551 mpr_dprint(sc, MPR_ERROR|MPR_RECOVERY, 1552 "%s null devhandle for target_id %d\n", 1553 __func__, cm->cm_ccb->ccb_h.target_id); 1554 return -1; 1555 } 1556 1557 mprsas_log_command(cm, MPR_RECOVERY|MPR_INFO, 1558 "Aborting command %p\n", cm); 1559 1560 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; 1561 req->DevHandle = htole16(targ->handle); 1562 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK; 1563 1564 /* XXX Need to handle invalid LUNs */ 1565 MPR_SET_LUN(req->LUN, cm->cm_ccb->ccb_h.target_lun); 1566 1567 req->TaskMID = htole16(cm->cm_desc.Default.SMID); 1568 1569 tm->cm_data = NULL; 1570 tm->cm_complete = mprsas_abort_complete; 1571 tm->cm_complete_data = (void *)tm; 1572 tm->cm_targ = cm->cm_targ; 1573 tm->cm_lun = cm->cm_lun; 1574 1575 if (!targ->is_nvme || sc->custom_nvme_tm_handling) 1576 timeout = MPR_ABORT_TIMEOUT; 1577 else 1578 timeout = sc->nvme_abort_timeout; 1579 1580 callout_reset(&tm->cm_callout, timeout * hz, 1581 mprsas_tm_timeout, tm); 1582 1583 targ->aborts++; 1584 1585 mprsas_prepare_for_tm(sc, tm, targ, tm->cm_lun); 1586 1587 err = mpr_map_command(sc, tm); 1588 if (err) 1589 mpr_dprint(sc, MPR_ERROR|MPR_RECOVERY, 1590 "error %d sending abort for cm %p SMID %u\n", 1591 err, cm, req->TaskMID); 1592 return err; 1593} 1594 1595static void 1596mprsas_scsiio_timeout(void *data) 1597{ 1598 sbintime_t elapsed, now; 1599 union ccb *ccb; 1600 struct mpr_softc *sc; 1601 struct mpr_command *cm; 1602 struct mprsas_target *targ; 1603 1604 cm = (struct mpr_command *)data; 1605 sc = cm->cm_sc; 1606 ccb = cm->cm_ccb; 1607 now = sbinuptime(); 1608 1609 MPR_FUNCTRACE(sc); 1610 mtx_assert(&sc->mpr_mtx, MA_OWNED); 1611 1612 mpr_dprint(sc, MPR_XINFO|MPR_RECOVERY, "Timeout checking cm %p\n", cm); 1613 1614 /* 1615 * Run the interrupt handler to make sure it's not pending. This 1616 * isn't perfect because the command could have already completed 1617 * and been re-used, though this is unlikely. 1618 */ 1619 mpr_intr_locked(sc); 1620 if (cm->cm_flags & MPR_CM_FLAGS_ON_RECOVERY) { 1621 mprsas_log_command(cm, MPR_XINFO, 1622 "SCSI command %p almost timed out\n", cm); 1623 return; 1624 } 1625 1626 if (cm->cm_ccb == NULL) { 1627 mpr_dprint(sc, MPR_ERROR, "command timeout with NULL ccb\n"); 1628 return; 1629 } 1630 1631 targ = cm->cm_targ; 1632 targ->timeouts++; 1633 1634 elapsed = now - ccb->ccb_h.qos.sim_data; 1635 mprsas_log_command(cm, MPR_INFO|MPR_RECOVERY, 1636 "Command timeout on target %u(0x%04x), %d set, %d.%d elapsed\n", 1637 targ->tid, targ->handle, ccb->ccb_h.timeout, 1638 sbintime_getsec(elapsed), elapsed & 0xffffffff); 1639 if (targ->encl_level_valid) { 1640 mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, 1641 "At enclosure level %d, slot %d, connector name (%4s)\n", 1642 targ->encl_level, targ->encl_slot, targ->connector_name); 1643 } 1644 1645 /* XXX first, check the firmware state, to see if it's still 1646 * operational. if not, do a diag reset. 1647 */ 1648 mprsas_set_ccbstatus(cm->cm_ccb, CAM_CMD_TIMEOUT); 1649 cm->cm_flags |= MPR_CM_FLAGS_ON_RECOVERY | MPR_CM_FLAGS_TIMEDOUT; 1650 TAILQ_INSERT_TAIL(&targ->timedout_commands, cm, cm_recovery); 1651 1652 if (targ->tm != NULL) { 1653 /* target already in recovery, just queue up another 1654 * timedout command to be processed later. 1655 */ 1656 mpr_dprint(sc, MPR_RECOVERY, "queued timedout cm %p for " 1657 "processing by tm %p\n", cm, targ->tm); 1658 } 1659 else if ((targ->tm = mprsas_alloc_tm(sc)) != NULL) { 1660 /* start recovery by aborting the first timedout command */ 1661 mpr_dprint(sc, MPR_RECOVERY|MPR_INFO, 1662 "Sending abort to target %u for SMID %d\n", targ->tid, 1663 cm->cm_desc.Default.SMID); 1664 mpr_dprint(sc, MPR_RECOVERY, "timedout cm %p allocated tm %p\n", 1665 cm, targ->tm); 1666 mprsas_send_abort(sc, targ->tm, cm); 1667 } 1668 else { 1669 /* XXX queue this target up for recovery once a TM becomes 1670 * available. The firmware only has a limited number of 1671 * HighPriority credits for the high priority requests used 1672 * for task management, and we ran out. 1673 * 1674 * Isilon: don't worry about this for now, since we have 1675 * more credits than disks in an enclosure, and limit 1676 * ourselves to one TM per target for recovery. 1677 */ 1678 mpr_dprint(sc, MPR_ERROR|MPR_RECOVERY, 1679 "timedout cm %p failed to allocate a tm\n", cm); 1680 } 1681} 1682 1683/** 1684 * mprsas_build_nvme_unmap - Build Native NVMe DSM command equivalent 1685 * to SCSI Unmap. 1686 * Return 0 - for success, 1687 * 1 - to immediately return back the command with success status to CAM 1688 * negative value - to fallback to firmware path i.e. issue scsi unmap 1689 * to FW without any translation. 1690 */ 1691static int 1692mprsas_build_nvme_unmap(struct mpr_softc *sc, struct mpr_command *cm, 1693 union ccb *ccb, struct mprsas_target *targ) 1694{ 1695 Mpi26NVMeEncapsulatedRequest_t *req = NULL; 1696 struct ccb_scsiio *csio; 1697 struct unmap_parm_list *plist; 1698 struct nvme_dsm_range *nvme_dsm_ranges = NULL; 1699 struct nvme_command *c; 1700 int i, res; 1701 uint16_t ndesc, list_len, data_length; 1702 struct mpr_prp_page *prp_page_info; 1703 uint64_t nvme_dsm_ranges_dma_handle; 1704 1705 csio = &ccb->csio; 1706 list_len = (scsiio_cdb_ptr(csio)[7] << 8 | scsiio_cdb_ptr(csio)[8]); 1707 if (!list_len) { 1708 mpr_dprint(sc, MPR_ERROR, "Parameter list length is Zero\n"); 1709 return -EINVAL; 1710 } 1711 1712 plist = malloc(csio->dxfer_len, M_MPR, M_ZERO|M_NOWAIT); 1713 if (!plist) { 1714 mpr_dprint(sc, MPR_ERROR, "Unable to allocate memory to " 1715 "save UNMAP data\n"); 1716 return -ENOMEM; 1717 } 1718 1719 /* Copy SCSI unmap data to a local buffer */ 1720 bcopy(csio->data_ptr, plist, csio->dxfer_len); 1721 1722 /* return back the unmap command to CAM with success status, 1723 * if number of descripts is zero. 1724 */ 1725 ndesc = be16toh(plist->unmap_blk_desc_data_len) >> 4; 1726 if (!ndesc) { 1727 mpr_dprint(sc, MPR_XINFO, "Number of descriptors in " 1728 "UNMAP cmd is Zero\n"); 1729 res = 1; 1730 goto out; 1731 } 1732 1733 data_length = ndesc * sizeof(struct nvme_dsm_range); 1734 if (data_length > targ->MDTS) { 1735 mpr_dprint(sc, MPR_ERROR, "data length: %d is greater than " 1736 "Device's MDTS: %d\n", data_length, targ->MDTS); 1737 res = -EINVAL; 1738 goto out; 1739 } 1740 1741 prp_page_info = mpr_alloc_prp_page(sc); 1742 KASSERT(prp_page_info != NULL, ("%s: There is no PRP Page for " 1743 "UNMAP command.\n", __func__)); 1744 1745 /* 1746 * Insert the allocated PRP page into the command's PRP page list. This 1747 * will be freed when the command is freed. 1748 */ 1749 TAILQ_INSERT_TAIL(&cm->cm_prp_page_list, prp_page_info, prp_page_link); 1750 1751 nvme_dsm_ranges = (struct nvme_dsm_range *)prp_page_info->prp_page; 1752 nvme_dsm_ranges_dma_handle = prp_page_info->prp_page_busaddr; 1753 1754 bzero(nvme_dsm_ranges, data_length); 1755 1756 /* Convert SCSI unmap's descriptor data to NVMe DSM specific Range data 1757 * for each descriptors contained in SCSI UNMAP data. 1758 */ 1759 for (i = 0; i < ndesc; i++) { 1760 nvme_dsm_ranges[i].length = 1761 htole32(be32toh(plist->desc[i].nlb)); 1762 nvme_dsm_ranges[i].starting_lba = 1763 htole64(be64toh(plist->desc[i].slba)); 1764 nvme_dsm_ranges[i].attributes = 0; 1765 } 1766 1767 /* Build MPI2.6's NVMe Encapsulated Request Message */ 1768 req = (Mpi26NVMeEncapsulatedRequest_t *)cm->cm_req; 1769 bzero(req, sizeof(*req)); 1770 req->DevHandle = htole16(targ->handle); 1771 req->Function = MPI2_FUNCTION_NVME_ENCAPSULATED; 1772 req->Flags = MPI26_NVME_FLAGS_WRITE; 1773 req->ErrorResponseBaseAddress.High = 1774 htole32((uint32_t)((uint64_t)cm->cm_sense_busaddr >> 32)); 1775 req->ErrorResponseBaseAddress.Low = 1776 htole32(cm->cm_sense_busaddr); 1777 req->ErrorResponseAllocationLength = 1778 htole16(sizeof(struct nvme_completion)); 1779 req->EncapsulatedCommandLength = 1780 htole16(sizeof(struct nvme_command)); 1781 req->DataLength = htole32(data_length); 1782 1783 /* Build NVMe DSM command */ 1784 c = (struct nvme_command *) req->NVMe_Command; 1785 c->opc = NVME_OPC_DATASET_MANAGEMENT; 1786 c->nsid = htole32(csio->ccb_h.target_lun + 1); 1787 c->cdw10 = htole32(ndesc - 1); 1788 c->cdw11 = htole32(NVME_DSM_ATTR_DEALLOCATE); 1789 1790 cm->cm_length = data_length; 1791 cm->cm_data = NULL; 1792 1793 cm->cm_complete = mprsas_scsiio_complete; 1794 cm->cm_complete_data = ccb; 1795 cm->cm_targ = targ; 1796 cm->cm_lun = csio->ccb_h.target_lun; 1797 cm->cm_ccb = ccb; 1798 1799 cm->cm_desc.Default.RequestFlags = 1800 MPI26_REQ_DESCRIPT_FLAGS_PCIE_ENCAPSULATED; 1801 1802 csio->ccb_h.qos.sim_data = sbinuptime(); 1803 callout_reset_sbt(&cm->cm_callout, SBT_1MS * ccb->ccb_h.timeout, 0, 1804 mprsas_scsiio_timeout, cm, 0); 1805 1806 targ->issued++; 1807 targ->outstanding++; 1808 TAILQ_INSERT_TAIL(&targ->commands, cm, cm_link); 1809 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1810 1811 mprsas_log_command(cm, MPR_XINFO, "%s cm %p ccb %p outstanding %u\n", 1812 __func__, cm, ccb, targ->outstanding); 1813 1814 mpr_build_nvme_prp(sc, cm, req, 1815 (void *)(uintptr_t)nvme_dsm_ranges_dma_handle, 0, data_length); 1816 mpr_map_command(sc, cm); 1817 1818out: 1819 free(plist, M_MPR); 1820 return 0; 1821} 1822 1823static void 1824mprsas_action_scsiio(struct mprsas_softc *sassc, union ccb *ccb) 1825{ 1826 MPI2_SCSI_IO_REQUEST *req; 1827 struct ccb_scsiio *csio; 1828 struct mpr_softc *sc; 1829 struct mprsas_target *targ; 1830 struct mprsas_lun *lun; 1831 struct mpr_command *cm; 1832 uint8_t i, lba_byte, *ref_tag_addr, scsi_opcode; 1833 uint16_t eedp_flags; 1834 uint32_t mpi_control; 1835 int rc; 1836 1837 sc = sassc->sc; 1838 MPR_FUNCTRACE(sc); 1839 mtx_assert(&sc->mpr_mtx, MA_OWNED); 1840 1841 csio = &ccb->csio; 1842 KASSERT(csio->ccb_h.target_id < sassc->maxtargets, 1843 ("Target %d out of bounds in XPT_SCSI_IO\n", 1844 csio->ccb_h.target_id)); 1845 targ = &sassc->targets[csio->ccb_h.target_id]; 1846 mpr_dprint(sc, MPR_TRACE, "ccb %p target flag %x\n", ccb, targ->flags); 1847 if (targ->handle == 0x0) { 1848 mpr_dprint(sc, MPR_ERROR, "%s NULL handle for target %u\n", 1849 __func__, csio->ccb_h.target_id); 1850 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 1851 xpt_done(ccb); 1852 return; 1853 } 1854 if (targ->flags & MPR_TARGET_FLAGS_RAID_COMPONENT) { 1855 mpr_dprint(sc, MPR_ERROR, "%s Raid component no SCSI IO " 1856 "supported %u\n", __func__, csio->ccb_h.target_id); 1857 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 1858 xpt_done(ccb); 1859 return; 1860 } 1861 /* 1862 * Sometimes, it is possible to get a command that is not "In 1863 * Progress" and was actually aborted by the upper layer. Check for 1864 * this here and complete the command without error. 1865 */ 1866 if (mprsas_get_ccbstatus(ccb) != CAM_REQ_INPROG) { 1867 mpr_dprint(sc, MPR_TRACE, "%s Command is not in progress for " 1868 "target %u\n", __func__, csio->ccb_h.target_id); 1869 xpt_done(ccb); 1870 return; 1871 } 1872 /* 1873 * If devinfo is 0 this will be a volume. In that case don't tell CAM 1874 * that the volume has timed out. We want volumes to be enumerated 1875 * until they are deleted/removed, not just failed. In either event, 1876 * we're removing the target due to a firmware event telling us 1877 * the device is now gone (as opposed to some transient event). Since 1878 * we're opting to remove failed devices from the OS's view, we need 1879 * to propagate that status up the stack. 1880 */ 1881 if (targ->flags & MPRSAS_TARGET_INREMOVAL) { 1882 if (targ->devinfo == 0) 1883 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 1884 else 1885 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 1886 xpt_done(ccb); 1887 return; 1888 } 1889 1890 if ((sc->mpr_flags & MPR_FLAGS_SHUTDOWN) != 0) { 1891 mpr_dprint(sc, MPR_INFO, "%s shutting down\n", __func__); 1892 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 1893 xpt_done(ccb); 1894 return; 1895 } 1896 1897 /* 1898 * If target has a reset in progress, freeze the devq and return. The 1899 * devq will be released when the TM reset is finished. 1900 */ 1901 if (targ->flags & MPRSAS_TARGET_INRESET) { 1902 ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN; 1903 mpr_dprint(sc, MPR_INFO, "%s: Freezing devq for target ID %d\n", 1904 __func__, targ->tid); 1905 xpt_freeze_devq(ccb->ccb_h.path, 1); 1906 xpt_done(ccb); 1907 return; 1908 } 1909 1910 cm = mpr_alloc_command(sc); 1911 if (cm == NULL || (sc->mpr_flags & MPR_FLAGS_DIAGRESET)) { 1912 if (cm != NULL) { 1913 mpr_free_command(sc, cm); 1914 } 1915 if ((sassc->flags & MPRSAS_QUEUE_FROZEN) == 0) { 1916 xpt_freeze_simq(sassc->sim, 1); 1917 sassc->flags |= MPRSAS_QUEUE_FROZEN; 1918 } 1919 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1920 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1921 xpt_done(ccb); 1922 return; 1923 } 1924 1925 /* For NVME device's issue UNMAP command directly to NVME drives by 1926 * constructing equivalent native NVMe DataSetManagement command. 1927 */ 1928 scsi_opcode = scsiio_cdb_ptr(csio)[0]; 1929 if (scsi_opcode == UNMAP && 1930 targ->is_nvme && 1931 (csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) { 1932 rc = mprsas_build_nvme_unmap(sc, cm, ccb, targ); 1933 if (rc == 1) { /* return command to CAM with success status */ 1934 mpr_free_command(sc, cm); 1935 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 1936 xpt_done(ccb); 1937 return; 1938 } else if (!rc) /* Issued NVMe Encapsulated Request Message */ 1939 return; 1940 } 1941 1942 req = (MPI2_SCSI_IO_REQUEST *)cm->cm_req; 1943 bzero(req, sizeof(*req)); 1944 req->DevHandle = htole16(targ->handle); 1945 req->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; 1946 req->MsgFlags = 0; 1947 req->SenseBufferLowAddress = htole32(cm->cm_sense_busaddr); 1948 req->SenseBufferLength = MPR_SENSE_LEN; 1949 req->SGLFlags = 0; 1950 req->ChainOffset = 0; 1951 req->SGLOffset0 = 24; /* 32bit word offset to the SGL */ 1952 req->SGLOffset1= 0; 1953 req->SGLOffset2= 0; 1954 req->SGLOffset3= 0; 1955 req->SkipCount = 0; 1956 req->DataLength = htole32(csio->dxfer_len); 1957 req->BidirectionalDataLength = 0; 1958 req->IoFlags = htole16(csio->cdb_len); 1959 req->EEDPFlags = 0; 1960 1961 /* Note: BiDirectional transfers are not supported */ 1962 switch (csio->ccb_h.flags & CAM_DIR_MASK) { 1963 case CAM_DIR_IN: 1964 mpi_control = MPI2_SCSIIO_CONTROL_READ; 1965 cm->cm_flags |= MPR_CM_FLAGS_DATAIN; 1966 break; 1967 case CAM_DIR_OUT: 1968 mpi_control = MPI2_SCSIIO_CONTROL_WRITE; 1969 cm->cm_flags |= MPR_CM_FLAGS_DATAOUT; 1970 break; 1971 case CAM_DIR_NONE: 1972 default: 1973 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER; 1974 break; 1975 } 1976 1977 if (csio->cdb_len == 32) 1978 mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT; 1979 /* 1980 * It looks like the hardware doesn't require an explicit tag 1981 * number for each transaction. SAM Task Management not supported 1982 * at the moment. 1983 */ 1984 switch (csio->tag_action) { 1985 case MSG_HEAD_OF_Q_TAG: 1986 mpi_control |= MPI2_SCSIIO_CONTROL_HEADOFQ; 1987 break; 1988 case MSG_ORDERED_Q_TAG: 1989 mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ; 1990 break; 1991 case MSG_ACA_TASK: 1992 mpi_control |= MPI2_SCSIIO_CONTROL_ACAQ; 1993 break; 1994 case CAM_TAG_ACTION_NONE: 1995 case MSG_SIMPLE_Q_TAG: 1996 default: 1997 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; 1998 break; 1999 } 2000 mpi_control |= (csio->priority << MPI2_SCSIIO_CONTROL_CMDPRI_SHIFT) & 2001 MPI2_SCSIIO_CONTROL_CMDPRI_MASK; 2002 mpi_control |= sc->mapping_table[csio->ccb_h.target_id].TLR_bits; 2003 req->Control = htole32(mpi_control); 2004 2005 if (MPR_SET_LUN(req->LUN, csio->ccb_h.target_lun) != 0) { 2006 mpr_free_command(sc, cm); 2007 mprsas_set_ccbstatus(ccb, CAM_LUN_INVALID); 2008 xpt_done(ccb); 2009 return; 2010 } 2011 2012 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2013 bcopy(csio->cdb_io.cdb_ptr, &req->CDB.CDB32[0], csio->cdb_len); 2014 else { 2015 KASSERT(csio->cdb_len <= IOCDBLEN, 2016 ("cdb_len %d is greater than IOCDBLEN but CAM_CDB_POINTER " 2017 "is not set", csio->cdb_len)); 2018 bcopy(csio->cdb_io.cdb_bytes, &req->CDB.CDB32[0],csio->cdb_len); 2019 } 2020 req->IoFlags = htole16(csio->cdb_len); 2021 2022 /* 2023 * Check if EEDP is supported and enabled. If it is then check if the 2024 * SCSI opcode could be using EEDP. If so, make sure the LUN exists and 2025 * is formatted for EEDP support. If all of this is true, set CDB up 2026 * for EEDP transfer. 2027 */ 2028 eedp_flags = op_code_prot[req->CDB.CDB32[0]]; 2029 if (sc->eedp_enabled && eedp_flags) { 2030 SLIST_FOREACH(lun, &targ->luns, lun_link) { 2031 if (lun->lun_id == csio->ccb_h.target_lun) { 2032 break; 2033 } 2034 } 2035 2036 if ((lun != NULL) && (lun->eedp_formatted)) { 2037 req->EEDPBlockSize = htole32(lun->eedp_block_size); 2038 eedp_flags |= (MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | 2039 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | 2040 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD); 2041 if (sc->mpr_flags & MPR_FLAGS_GEN35_IOC) { 2042 eedp_flags |= 2043 MPI25_SCSIIO_EEDPFLAGS_APPTAG_DISABLE_MODE; 2044 } 2045 req->EEDPFlags = htole16(eedp_flags); 2046 2047 /* 2048 * If CDB less than 32, fill in Primary Ref Tag with 2049 * low 4 bytes of LBA. If CDB is 32, tag stuff is 2050 * already there. Also, set protection bit. FreeBSD 2051 * currently does not support CDBs bigger than 16, but 2052 * the code doesn't hurt, and will be here for the 2053 * future. 2054 */ 2055 if (csio->cdb_len != 32) { 2056 lba_byte = (csio->cdb_len == 16) ? 6 : 2; 2057 ref_tag_addr = (uint8_t *)&req->CDB.EEDP32. 2058 PrimaryReferenceTag; 2059 for (i = 0; i < 4; i++) { 2060 *ref_tag_addr = 2061 req->CDB.CDB32[lba_byte + i]; 2062 ref_tag_addr++; 2063 } 2064 req->CDB.EEDP32.PrimaryReferenceTag = 2065 htole32(req-> 2066 CDB.EEDP32.PrimaryReferenceTag); 2067 req->CDB.EEDP32.PrimaryApplicationTagMask = 2068 0xFFFF; 2069 req->CDB.CDB32[1] = 2070 (req->CDB.CDB32[1] & 0x1F) | 0x20; 2071 } else { 2072 eedp_flags |= 2073 MPI2_SCSIIO_EEDPFLAGS_INC_PRI_APPTAG; 2074 req->EEDPFlags = htole16(eedp_flags); 2075 req->CDB.CDB32[10] = (req->CDB.CDB32[10] & 2076 0x1F) | 0x20; 2077 } 2078 } 2079 } 2080 2081 cm->cm_length = csio->dxfer_len; 2082 if (cm->cm_length != 0) { 2083 cm->cm_data = ccb; 2084 cm->cm_flags |= MPR_CM_FLAGS_USE_CCB; 2085 } else { 2086 cm->cm_data = NULL; 2087 } 2088 cm->cm_sge = &req->SGL; 2089 cm->cm_sglsize = (32 - 24) * 4; 2090 cm->cm_complete = mprsas_scsiio_complete; 2091 cm->cm_complete_data = ccb; 2092 cm->cm_targ = targ; 2093 cm->cm_lun = csio->ccb_h.target_lun; 2094 cm->cm_ccb = ccb; 2095 /* 2096 * If using FP desc type, need to set a bit in IoFlags (SCSI IO is 0) 2097 * and set descriptor type. 2098 */ 2099 if (targ->scsi_req_desc_type == 2100 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO) { 2101 req->IoFlags |= MPI25_SCSIIO_IOFLAGS_FAST_PATH; 2102 cm->cm_desc.FastPathSCSIIO.RequestFlags = 2103 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO; 2104 if (!sc->atomic_desc_capable) { 2105 cm->cm_desc.FastPathSCSIIO.DevHandle = 2106 htole16(targ->handle); 2107 } 2108 } else { 2109 cm->cm_desc.SCSIIO.RequestFlags = 2110 MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO; 2111 if (!sc->atomic_desc_capable) 2112 cm->cm_desc.SCSIIO.DevHandle = htole16(targ->handle); 2113 } 2114 2115 csio->ccb_h.qos.sim_data = sbinuptime(); 2116 callout_reset_sbt(&cm->cm_callout, SBT_1MS * ccb->ccb_h.timeout, 0, 2117 mprsas_scsiio_timeout, cm, 0); 2118 2119 targ->issued++; 2120 targ->outstanding++; 2121 TAILQ_INSERT_TAIL(&targ->commands, cm, cm_link); 2122 ccb->ccb_h.status |= CAM_SIM_QUEUED; 2123 2124 mprsas_log_command(cm, MPR_XINFO, "%s cm %p ccb %p outstanding %u\n", 2125 __func__, cm, ccb, targ->outstanding); 2126 2127 mpr_map_command(sc, cm); 2128 return; 2129} 2130 2131/** 2132 * mpr_sc_failed_io_info - translated non-succesfull SCSI_IO request 2133 */ 2134static void 2135mpr_sc_failed_io_info(struct mpr_softc *sc, struct ccb_scsiio *csio, 2136 Mpi2SCSIIOReply_t *mpi_reply, struct mprsas_target *targ) 2137{ 2138 u32 response_info; 2139 u8 *response_bytes; 2140 u16 ioc_status = le16toh(mpi_reply->IOCStatus) & 2141 MPI2_IOCSTATUS_MASK; 2142 u8 scsi_state = mpi_reply->SCSIState; 2143 u8 scsi_status = mpi_reply->SCSIStatus; 2144 char *desc_ioc_state = NULL; 2145 char *desc_scsi_status = NULL; 2146 u32 log_info = le32toh(mpi_reply->IOCLogInfo); 2147 2148 if (log_info == 0x31170000) 2149 return; 2150 2151 desc_ioc_state = mpr_describe_table(mpr_iocstatus_string, 2152 ioc_status); 2153 desc_scsi_status = mpr_describe_table(mpr_scsi_status_string, 2154 scsi_status); 2155 2156 mpr_dprint(sc, MPR_XINFO, "\thandle(0x%04x), ioc_status(%s)(0x%04x)\n", 2157 le16toh(mpi_reply->DevHandle), desc_ioc_state, ioc_status); 2158 if (targ->encl_level_valid) { 2159 mpr_dprint(sc, MPR_XINFO, "At enclosure level %d, slot %d, " 2160 "connector name (%4s)\n", targ->encl_level, targ->encl_slot, 2161 targ->connector_name); 2162 } 2163 2164 /* 2165 * We can add more detail about underflow data here 2166 * TO-DO 2167 */ 2168 mpr_dprint(sc, MPR_XINFO, "\tscsi_status(%s)(0x%02x), " 2169 "scsi_state %b\n", desc_scsi_status, scsi_status, 2170 scsi_state, "\20" "\1AutosenseValid" "\2AutosenseFailed" 2171 "\3NoScsiStatus" "\4Terminated" "\5Response InfoValid"); 2172 2173 if (sc->mpr_debug & MPR_XINFO && 2174 scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { 2175 mpr_dprint(sc, MPR_XINFO, "-> Sense Buffer Data : Start :\n"); 2176 scsi_sense_print(csio); 2177 mpr_dprint(sc, MPR_XINFO, "-> Sense Buffer Data : End :\n"); 2178 } 2179 2180 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) { 2181 response_info = le32toh(mpi_reply->ResponseInfo); 2182 response_bytes = (u8 *)&response_info; 2183 mpr_dprint(sc, MPR_XINFO, "response code(0x%01x): %s\n", 2184 response_bytes[0], 2185 mpr_describe_table(mpr_scsi_taskmgmt_string, 2186 response_bytes[0])); 2187 } 2188} 2189 2190/** mprsas_nvme_trans_status_code 2191 * 2192 * Convert Native NVMe command error status to 2193 * equivalent SCSI error status. 2194 * 2195 * Returns appropriate scsi_status 2196 */ 2197static u8 2198mprsas_nvme_trans_status_code(uint16_t nvme_status, 2199 struct mpr_command *cm) 2200{ 2201 u8 status = MPI2_SCSI_STATUS_GOOD; 2202 int skey, asc, ascq; 2203 union ccb *ccb = cm->cm_complete_data; 2204 int returned_sense_len; 2205 uint8_t sct, sc; 2206 2207 sct = NVME_STATUS_GET_SCT(nvme_status); 2208 sc = NVME_STATUS_GET_SC(nvme_status); 2209 2210 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2211 skey = SSD_KEY_ILLEGAL_REQUEST; 2212 asc = SCSI_ASC_NO_SENSE; 2213 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2214 2215 switch (sct) { 2216 case NVME_SCT_GENERIC: 2217 switch (sc) { 2218 case NVME_SC_SUCCESS: 2219 status = MPI2_SCSI_STATUS_GOOD; 2220 skey = SSD_KEY_NO_SENSE; 2221 asc = SCSI_ASC_NO_SENSE; 2222 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2223 break; 2224 case NVME_SC_INVALID_OPCODE: 2225 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2226 skey = SSD_KEY_ILLEGAL_REQUEST; 2227 asc = SCSI_ASC_ILLEGAL_COMMAND; 2228 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2229 break; 2230 case NVME_SC_INVALID_FIELD: 2231 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2232 skey = SSD_KEY_ILLEGAL_REQUEST; 2233 asc = SCSI_ASC_INVALID_CDB; 2234 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2235 break; 2236 case NVME_SC_DATA_TRANSFER_ERROR: 2237 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2238 skey = SSD_KEY_MEDIUM_ERROR; 2239 asc = SCSI_ASC_NO_SENSE; 2240 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2241 break; 2242 case NVME_SC_ABORTED_POWER_LOSS: 2243 status = MPI2_SCSI_STATUS_TASK_ABORTED; 2244 skey = SSD_KEY_ABORTED_COMMAND; 2245 asc = SCSI_ASC_WARNING; 2246 ascq = SCSI_ASCQ_POWER_LOSS_EXPECTED; 2247 break; 2248 case NVME_SC_INTERNAL_DEVICE_ERROR: 2249 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2250 skey = SSD_KEY_HARDWARE_ERROR; 2251 asc = SCSI_ASC_INTERNAL_TARGET_FAILURE; 2252 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2253 break; 2254 case NVME_SC_ABORTED_BY_REQUEST: 2255 case NVME_SC_ABORTED_SQ_DELETION: 2256 case NVME_SC_ABORTED_FAILED_FUSED: 2257 case NVME_SC_ABORTED_MISSING_FUSED: 2258 status = MPI2_SCSI_STATUS_TASK_ABORTED; 2259 skey = SSD_KEY_ABORTED_COMMAND; 2260 asc = SCSI_ASC_NO_SENSE; 2261 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2262 break; 2263 case NVME_SC_INVALID_NAMESPACE_OR_FORMAT: 2264 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2265 skey = SSD_KEY_ILLEGAL_REQUEST; 2266 asc = SCSI_ASC_ACCESS_DENIED_INVALID_LUN_ID; 2267 ascq = SCSI_ASCQ_INVALID_LUN_ID; 2268 break; 2269 case NVME_SC_LBA_OUT_OF_RANGE: 2270 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2271 skey = SSD_KEY_ILLEGAL_REQUEST; 2272 asc = SCSI_ASC_ILLEGAL_BLOCK; 2273 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2274 break; 2275 case NVME_SC_CAPACITY_EXCEEDED: 2276 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2277 skey = SSD_KEY_MEDIUM_ERROR; 2278 asc = SCSI_ASC_NO_SENSE; 2279 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2280 break; 2281 case NVME_SC_NAMESPACE_NOT_READY: 2282 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2283 skey = SSD_KEY_NOT_READY; 2284 asc = SCSI_ASC_LUN_NOT_READY; 2285 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2286 break; 2287 } 2288 break; 2289 case NVME_SCT_COMMAND_SPECIFIC: 2290 switch (sc) { 2291 case NVME_SC_INVALID_FORMAT: 2292 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2293 skey = SSD_KEY_ILLEGAL_REQUEST; 2294 asc = SCSI_ASC_FORMAT_COMMAND_FAILED; 2295 ascq = SCSI_ASCQ_FORMAT_COMMAND_FAILED; 2296 break; 2297 case NVME_SC_CONFLICTING_ATTRIBUTES: 2298 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2299 skey = SSD_KEY_ILLEGAL_REQUEST; 2300 asc = SCSI_ASC_INVALID_CDB; 2301 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2302 break; 2303 } 2304 break; 2305 case NVME_SCT_MEDIA_ERROR: 2306 switch (sc) { 2307 case NVME_SC_WRITE_FAULTS: 2308 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2309 skey = SSD_KEY_MEDIUM_ERROR; 2310 asc = SCSI_ASC_PERIPHERAL_DEV_WRITE_FAULT; 2311 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2312 break; 2313 case NVME_SC_UNRECOVERED_READ_ERROR: 2314 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2315 skey = SSD_KEY_MEDIUM_ERROR; 2316 asc = SCSI_ASC_UNRECOVERED_READ_ERROR; 2317 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2318 break; 2319 case NVME_SC_GUARD_CHECK_ERROR: 2320 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2321 skey = SSD_KEY_MEDIUM_ERROR; 2322 asc = SCSI_ASC_LOG_BLOCK_GUARD_CHECK_FAILED; 2323 ascq = SCSI_ASCQ_LOG_BLOCK_GUARD_CHECK_FAILED; 2324 break; 2325 case NVME_SC_APPLICATION_TAG_CHECK_ERROR: 2326 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2327 skey = SSD_KEY_MEDIUM_ERROR; 2328 asc = SCSI_ASC_LOG_BLOCK_APPTAG_CHECK_FAILED; 2329 ascq = SCSI_ASCQ_LOG_BLOCK_APPTAG_CHECK_FAILED; 2330 break; 2331 case NVME_SC_REFERENCE_TAG_CHECK_ERROR: 2332 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2333 skey = SSD_KEY_MEDIUM_ERROR; 2334 asc = SCSI_ASC_LOG_BLOCK_REFTAG_CHECK_FAILED; 2335 ascq = SCSI_ASCQ_LOG_BLOCK_REFTAG_CHECK_FAILED; 2336 break; 2337 case NVME_SC_COMPARE_FAILURE: 2338 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2339 skey = SSD_KEY_MISCOMPARE; 2340 asc = SCSI_ASC_MISCOMPARE_DURING_VERIFY; 2341 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; 2342 break; 2343 case NVME_SC_ACCESS_DENIED: 2344 status = MPI2_SCSI_STATUS_CHECK_CONDITION; 2345 skey = SSD_KEY_ILLEGAL_REQUEST; 2346 asc = SCSI_ASC_ACCESS_DENIED_INVALID_LUN_ID; 2347 ascq = SCSI_ASCQ_INVALID_LUN_ID; 2348 break; 2349 } 2350 break; 2351 } 2352 2353 returned_sense_len = sizeof(struct scsi_sense_data); 2354 if (returned_sense_len < ccb->csio.sense_len) 2355 ccb->csio.sense_resid = ccb->csio.sense_len - 2356 returned_sense_len; 2357 else 2358 ccb->csio.sense_resid = 0; 2359 2360 scsi_set_sense_data(&ccb->csio.sense_data, SSD_TYPE_FIXED, 2361 1, skey, asc, ascq, SSD_ELEM_NONE); 2362 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 2363 2364 return status; 2365} 2366 2367/** mprsas_complete_nvme_unmap 2368 * 2369 * Complete native NVMe command issued using NVMe Encapsulated 2370 * Request Message. 2371 */ 2372static u8 2373mprsas_complete_nvme_unmap(struct mpr_softc *sc, struct mpr_command *cm) 2374{ 2375 Mpi26NVMeEncapsulatedErrorReply_t *mpi_reply; 2376 struct nvme_completion *nvme_completion = NULL; 2377 u8 scsi_status = MPI2_SCSI_STATUS_GOOD; 2378 2379 mpi_reply =(Mpi26NVMeEncapsulatedErrorReply_t *)cm->cm_reply; 2380 if (le16toh(mpi_reply->ErrorResponseCount)){ 2381 nvme_completion = (struct nvme_completion *)cm->cm_sense; 2382 scsi_status = mprsas_nvme_trans_status_code( 2383 nvme_completion->status, cm); 2384 } 2385 return scsi_status; 2386} 2387 2388static void 2389mprsas_scsiio_complete(struct mpr_softc *sc, struct mpr_command *cm) 2390{ 2391 MPI2_SCSI_IO_REPLY *rep; 2392 union ccb *ccb; 2393 struct ccb_scsiio *csio; 2394 struct mprsas_softc *sassc; 2395 struct scsi_vpd_supported_page_list *vpd_list = NULL; 2396 u8 *TLR_bits, TLR_on, *scsi_cdb; 2397 int dir = 0, i; 2398 u16 alloc_len; 2399 struct mprsas_target *target; 2400 target_id_t target_id; 2401 2402 MPR_FUNCTRACE(sc); 2403 2404 callout_stop(&cm->cm_callout); 2405 mtx_assert(&sc->mpr_mtx, MA_OWNED); 2406 2407 sassc = sc->sassc; 2408 ccb = cm->cm_complete_data; 2409 csio = &ccb->csio; 2410 target_id = csio->ccb_h.target_id; 2411 rep = (MPI2_SCSI_IO_REPLY *)cm->cm_reply; 2412 mpr_dprint(sc, MPR_TRACE, 2413 "cm %p SMID %u ccb %p reply %p outstanding %u csio->scsi_status 0x%x," 2414 "csio->dxfer_len 0x%x, csio->msg_le 0x%xn\n", cm, 2415 cm->cm_desc.Default.SMID, cm->cm_ccb, cm->cm_reply, 2416 cm->cm_targ->outstanding, csio->scsi_status, 2417 csio->dxfer_len, csio->msg_len); 2418 /* 2419 * XXX KDM if the chain allocation fails, does it matter if we do 2420 * the sync and unload here? It is simpler to do it in every case, 2421 * assuming it doesn't cause problems. 2422 */ 2423 if (cm->cm_data != NULL) { 2424 if (cm->cm_flags & MPR_CM_FLAGS_DATAIN) 2425 dir = BUS_DMASYNC_POSTREAD; 2426 else if (cm->cm_flags & MPR_CM_FLAGS_DATAOUT) 2427 dir = BUS_DMASYNC_POSTWRITE; 2428 bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap, dir); 2429 bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap); 2430 } 2431 2432 cm->cm_targ->completed++; 2433 cm->cm_targ->outstanding--; 2434 TAILQ_REMOVE(&cm->cm_targ->commands, cm, cm_link); 2435 ccb->ccb_h.status &= ~(CAM_STATUS_MASK | CAM_SIM_QUEUED); 2436 2437 if (cm->cm_flags & MPR_CM_FLAGS_ON_RECOVERY) { 2438 TAILQ_REMOVE(&cm->cm_targ->timedout_commands, cm, cm_recovery); 2439 KASSERT(cm->cm_state == MPR_CM_STATE_BUSY, 2440 ("Not busy for CM_FLAGS_TIMEDOUT: %d\n", cm->cm_state)); 2441 cm->cm_flags &= ~MPR_CM_FLAGS_ON_RECOVERY; 2442 if (cm->cm_reply != NULL) 2443 mprsas_log_command(cm, MPR_RECOVERY, 2444 "completed timedout cm %p ccb %p during recovery " 2445 "ioc %x scsi %x state %x xfer %u\n", cm, cm->cm_ccb, 2446 le16toh(rep->IOCStatus), rep->SCSIStatus, 2447 rep->SCSIState, le32toh(rep->TransferCount)); 2448 else 2449 mprsas_log_command(cm, MPR_RECOVERY, 2450 "completed timedout cm %p ccb %p during recovery\n", 2451 cm, cm->cm_ccb); 2452 } else if (cm->cm_targ->tm != NULL) { 2453 if (cm->cm_reply != NULL) 2454 mprsas_log_command(cm, MPR_RECOVERY, 2455 "completed cm %p ccb %p during recovery " 2456 "ioc %x scsi %x state %x xfer %u\n", 2457 cm, cm->cm_ccb, le16toh(rep->IOCStatus), 2458 rep->SCSIStatus, rep->SCSIState, 2459 le32toh(rep->TransferCount)); 2460 else 2461 mprsas_log_command(cm, MPR_RECOVERY, 2462 "completed cm %p ccb %p during recovery\n", 2463 cm, cm->cm_ccb); 2464 } else if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) { 2465 mprsas_log_command(cm, MPR_RECOVERY, 2466 "reset completed cm %p ccb %p\n", cm, cm->cm_ccb); 2467 } 2468 2469 if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { 2470 /* 2471 * We ran into an error after we tried to map the command, 2472 * so we're getting a callback without queueing the command 2473 * to the hardware. So we set the status here, and it will 2474 * be retained below. We'll go through the "fast path", 2475 * because there can be no reply when we haven't actually 2476 * gone out to the hardware. 2477 */ 2478 mprsas_set_ccbstatus(ccb, CAM_REQUEUE_REQ); 2479 2480 /* 2481 * Currently the only error included in the mask is 2482 * MPR_CM_FLAGS_CHAIN_FAILED, which means we're out of 2483 * chain frames. We need to freeze the queue until we get 2484 * a command that completed without this error, which will 2485 * hopefully have some chain frames attached that we can 2486 * use. If we wanted to get smarter about it, we would 2487 * only unfreeze the queue in this condition when we're 2488 * sure that we're getting some chain frames back. That's 2489 * probably unnecessary. 2490 */ 2491 if ((sassc->flags & MPRSAS_QUEUE_FROZEN) == 0) { 2492 xpt_freeze_simq(sassc->sim, 1); 2493 sassc->flags |= MPRSAS_QUEUE_FROZEN; 2494 mpr_dprint(sc, MPR_XINFO, "Error sending command, " 2495 "freezing SIM queue\n"); 2496 } 2497 } 2498 2499 /* 2500 * Point to the SCSI CDB, which is dependent on the CAM_CDB_POINTER 2501 * flag, and use it in a few places in the rest of this function for 2502 * convenience. Use the macro if available. 2503 */ 2504 scsi_cdb = scsiio_cdb_ptr(csio); 2505 2506 /* 2507 * If this is a Start Stop Unit command and it was issued by the driver 2508 * during shutdown, decrement the refcount to account for all of the 2509 * commands that were sent. All SSU commands should be completed before 2510 * shutdown completes, meaning SSU_refcount will be 0 after SSU_started 2511 * is TRUE. 2512 */ 2513 if (sc->SSU_started && (scsi_cdb[0] == START_STOP_UNIT)) { 2514 mpr_dprint(sc, MPR_INFO, "Decrementing SSU count.\n"); 2515 sc->SSU_refcount--; 2516 } 2517 2518 /* Take the fast path to completion */ 2519 if (cm->cm_reply == NULL) { 2520 if (mprsas_get_ccbstatus(ccb) == CAM_REQ_INPROG) { 2521 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) 2522 mprsas_set_ccbstatus(ccb, CAM_SCSI_BUS_RESET); 2523 else { 2524 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 2525 csio->scsi_status = SCSI_STATUS_OK; 2526 } 2527 if (sassc->flags & MPRSAS_QUEUE_FROZEN) { 2528 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2529 sassc->flags &= ~MPRSAS_QUEUE_FROZEN; 2530 mpr_dprint(sc, MPR_XINFO, 2531 "Unfreezing SIM queue\n"); 2532 } 2533 } 2534 2535 /* 2536 * There are two scenarios where the status won't be 2537 * CAM_REQ_CMP. The first is if MPR_CM_FLAGS_ERROR_MASK is 2538 * set, the second is in the MPR_FLAGS_DIAGRESET above. 2539 */ 2540 if (mprsas_get_ccbstatus(ccb) != CAM_REQ_CMP) { 2541 /* 2542 * Freeze the dev queue so that commands are 2543 * executed in the correct order after error 2544 * recovery. 2545 */ 2546 ccb->ccb_h.status |= CAM_DEV_QFRZN; 2547 xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1); 2548 } 2549 mpr_free_command(sc, cm); 2550 xpt_done(ccb); 2551 return; 2552 } 2553 2554 target = &sassc->targets[target_id]; 2555 if (scsi_cdb[0] == UNMAP && 2556 target->is_nvme && 2557 (csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) { 2558 rep->SCSIStatus = mprsas_complete_nvme_unmap(sc, cm); 2559 csio->scsi_status = rep->SCSIStatus; 2560 } 2561 2562 mprsas_log_command(cm, MPR_XINFO, 2563 "ioc %x scsi %x state %x xfer %u\n", 2564 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState, 2565 le32toh(rep->TransferCount)); 2566 2567 switch (le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK) { 2568 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: 2569 csio->resid = cm->cm_length - le32toh(rep->TransferCount); 2570 /* FALLTHROUGH */ 2571 case MPI2_IOCSTATUS_SUCCESS: 2572 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: 2573 if ((le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK) == 2574 MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR) 2575 mprsas_log_command(cm, MPR_XINFO, "recovered error\n"); 2576 2577 /* Completion failed at the transport level. */ 2578 if (rep->SCSIState & (MPI2_SCSI_STATE_NO_SCSI_STATUS | 2579 MPI2_SCSI_STATE_TERMINATED)) { 2580 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); 2581 break; 2582 } 2583 2584 /* In a modern packetized environment, an autosense failure 2585 * implies that there's not much else that can be done to 2586 * recover the command. 2587 */ 2588 if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_FAILED) { 2589 mprsas_set_ccbstatus(ccb, CAM_AUTOSENSE_FAIL); 2590 break; 2591 } 2592 2593 /* 2594 * CAM doesn't care about SAS Response Info data, but if this is 2595 * the state check if TLR should be done. If not, clear the 2596 * TLR_bits for the target. 2597 */ 2598 if ((rep->SCSIState & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) && 2599 ((le32toh(rep->ResponseInfo) & MPI2_SCSI_RI_MASK_REASONCODE) 2600 == MPR_SCSI_RI_INVALID_FRAME)) { 2601 sc->mapping_table[target_id].TLR_bits = 2602 (u8)MPI2_SCSIIO_CONTROL_NO_TLR; 2603 } 2604 2605 /* 2606 * Intentionally override the normal SCSI status reporting 2607 * for these two cases. These are likely to happen in a 2608 * multi-initiator environment, and we want to make sure that 2609 * CAM retries these commands rather than fail them. 2610 */ 2611 if ((rep->SCSIStatus == MPI2_SCSI_STATUS_COMMAND_TERMINATED) || 2612 (rep->SCSIStatus == MPI2_SCSI_STATUS_TASK_ABORTED)) { 2613 mprsas_set_ccbstatus(ccb, CAM_REQ_ABORTED); 2614 break; 2615 } 2616 2617 /* Handle normal status and sense */ 2618 csio->scsi_status = rep->SCSIStatus; 2619 if (rep->SCSIStatus == MPI2_SCSI_STATUS_GOOD) 2620 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 2621 else 2622 mprsas_set_ccbstatus(ccb, CAM_SCSI_STATUS_ERROR); 2623 2624 if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_VALID) { 2625 int sense_len, returned_sense_len; 2626 2627 returned_sense_len = min(le32toh(rep->SenseCount), 2628 sizeof(struct scsi_sense_data)); 2629 if (returned_sense_len < csio->sense_len) 2630 csio->sense_resid = csio->sense_len - 2631 returned_sense_len; 2632 else 2633 csio->sense_resid = 0; 2634 2635 sense_len = min(returned_sense_len, 2636 csio->sense_len - csio->sense_resid); 2637 bzero(&csio->sense_data, sizeof(csio->sense_data)); 2638 bcopy(cm->cm_sense, &csio->sense_data, sense_len); 2639 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 2640 } 2641 2642 /* 2643 * Check if this is an INQUIRY command. If it's a VPD inquiry, 2644 * and it's page code 0 (Supported Page List), and there is 2645 * inquiry data, and this is for a sequential access device, and 2646 * the device is an SSP target, and TLR is supported by the 2647 * controller, turn the TLR_bits value ON if page 0x90 is 2648 * supported. 2649 */ 2650 if ((scsi_cdb[0] == INQUIRY) && 2651 (scsi_cdb[1] & SI_EVPD) && 2652 (scsi_cdb[2] == SVPD_SUPPORTED_PAGE_LIST) && 2653 ((csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) && 2654 (csio->data_ptr != NULL) && 2655 ((csio->data_ptr[0] & 0x1f) == T_SEQUENTIAL) && 2656 (sc->control_TLR) && 2657 (sc->mapping_table[target_id].device_info & 2658 MPI2_SAS_DEVICE_INFO_SSP_TARGET)) { 2659 vpd_list = (struct scsi_vpd_supported_page_list *) 2660 csio->data_ptr; 2661 TLR_bits = &sc->mapping_table[target_id].TLR_bits; 2662 *TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR; 2663 TLR_on = (u8)MPI2_SCSIIO_CONTROL_TLR_ON; 2664 alloc_len = ((u16)scsi_cdb[3] << 8) + scsi_cdb[4]; 2665 alloc_len -= csio->resid; 2666 for (i = 0; i < MIN(vpd_list->length, alloc_len); i++) { 2667 if (vpd_list->list[i] == 0x90) { 2668 *TLR_bits = TLR_on; 2669 break; 2670 } 2671 } 2672 } 2673 2674 /* 2675 * If this is a SATA direct-access end device, mark it so that 2676 * a SCSI StartStopUnit command will be sent to it when the 2677 * driver is being shutdown. 2678 */ 2679 if ((scsi_cdb[0] == INQUIRY) && 2680 (csio->data_ptr != NULL) && 2681 ((csio->data_ptr[0] & 0x1f) == T_DIRECT) && 2682 (sc->mapping_table[target_id].device_info & 2683 MPI2_SAS_DEVICE_INFO_SATA_DEVICE) && 2684 ((sc->mapping_table[target_id].device_info & 2685 MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) == 2686 MPI2_SAS_DEVICE_INFO_END_DEVICE)) { 2687 target = &sassc->targets[target_id]; 2688 target->supports_SSU = TRUE; 2689 mpr_dprint(sc, MPR_XINFO, "Target %d supports SSU\n", 2690 target_id); 2691 } 2692 break; 2693 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: 2694 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 2695 /* 2696 * If devinfo is 0 this will be a volume. In that case don't 2697 * tell CAM that the volume is not there. We want volumes to 2698 * be enumerated until they are deleted/removed, not just 2699 * failed. 2700 */ 2701 if (cm->cm_targ->devinfo == 0) 2702 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 2703 else 2704 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 2705 break; 2706 case MPI2_IOCSTATUS_INVALID_SGL: 2707 mpr_print_scsiio_cmd(sc, cm); 2708 mprsas_set_ccbstatus(ccb, CAM_UNREC_HBA_ERROR); 2709 break; 2710 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: 2711 /* 2712 * This is one of the responses that comes back when an I/O 2713 * has been aborted. If it is because of a timeout that we 2714 * initiated, just set the status to CAM_CMD_TIMEOUT. 2715 * Otherwise set it to CAM_REQ_ABORTED. The effect on the 2716 * command is the same (it gets retried, subject to the 2717 * retry counter), the only difference is what gets printed 2718 * on the console. 2719 */ 2720 if (cm->cm_flags & MPR_CM_FLAGS_TIMEDOUT) 2721 mprsas_set_ccbstatus(ccb, CAM_CMD_TIMEOUT); 2722 else 2723 mprsas_set_ccbstatus(ccb, CAM_REQ_ABORTED); 2724 break; 2725 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: 2726 /* resid is ignored for this condition */ 2727 csio->resid = 0; 2728 mprsas_set_ccbstatus(ccb, CAM_DATA_RUN_ERR); 2729 break; 2730 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: 2731 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: 2732 /* 2733 * These can sometimes be transient transport-related 2734 * errors, and sometimes persistent drive-related errors. 2735 * We used to retry these without decrementing the retry 2736 * count by returning CAM_REQUEUE_REQ. Unfortunately, if 2737 * we hit a persistent drive problem that returns one of 2738 * these error codes, we would retry indefinitely. So, 2739 * return CAM_REQ_CMP_ERROR so that we decrement the retry 2740 * count and avoid infinite retries. We're taking the 2741 * potential risk of flagging false failures in the event 2742 * of a topology-related error (e.g. a SAS expander problem 2743 * causes a command addressed to a drive to fail), but 2744 * avoiding getting into an infinite retry loop. However, 2745 * if we get them while were moving a device, we should 2746 * fail the request as 'not there' because the device 2747 * is effectively gone. 2748 */ 2749 if (cm->cm_targ->flags & MPRSAS_TARGET_INREMOVAL) 2750 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 2751 else 2752 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); 2753 mpr_dprint(sc, MPR_INFO, 2754 "Controller reported %s tgt %u SMID %u loginfo %x%s\n", 2755 mpr_describe_table(mpr_iocstatus_string, 2756 le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK), 2757 target_id, cm->cm_desc.Default.SMID, 2758 le32toh(rep->IOCLogInfo), 2759 (cm->cm_targ->flags & MPRSAS_TARGET_INREMOVAL) ? " departing" : ""); 2760 mpr_dprint(sc, MPR_XINFO, 2761 "SCSIStatus %x SCSIState %x xfercount %u\n", 2762 rep->SCSIStatus, rep->SCSIState, 2763 le32toh(rep->TransferCount)); 2764 break; 2765 case MPI2_IOCSTATUS_INVALID_FUNCTION: 2766 case MPI2_IOCSTATUS_INTERNAL_ERROR: 2767 case MPI2_IOCSTATUS_INVALID_VPID: 2768 case MPI2_IOCSTATUS_INVALID_FIELD: 2769 case MPI2_IOCSTATUS_INVALID_STATE: 2770 case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED: 2771 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: 2772 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: 2773 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 2774 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 2775 default: 2776 mprsas_log_command(cm, MPR_XINFO, 2777 "completed ioc %x loginfo %x scsi %x state %x xfer %u\n", 2778 le16toh(rep->IOCStatus), le32toh(rep->IOCLogInfo), 2779 rep->SCSIStatus, rep->SCSIState, 2780 le32toh(rep->TransferCount)); 2781 csio->resid = cm->cm_length; 2782 2783 if (scsi_cdb[0] == UNMAP && 2784 target->is_nvme && 2785 (csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) 2786 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 2787 else 2788 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); 2789 2790 break; 2791 } 2792 2793 mpr_sc_failed_io_info(sc, csio, rep, cm->cm_targ); 2794 2795 if (sassc->flags & MPRSAS_QUEUE_FROZEN) { 2796 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2797 sassc->flags &= ~MPRSAS_QUEUE_FROZEN; 2798 mpr_dprint(sc, MPR_XINFO, "Command completed, unfreezing SIM " 2799 "queue\n"); 2800 } 2801 2802 if (mprsas_get_ccbstatus(ccb) != CAM_REQ_CMP) { 2803 ccb->ccb_h.status |= CAM_DEV_QFRZN; 2804 xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1); 2805 } 2806 2807 /* 2808 * Check to see if we're removing the device. If so, and this is the 2809 * last command on the queue, proceed with the deferred removal of the 2810 * device. Note, for removing a volume, this won't trigger because 2811 * pending_remove_tm will be NULL. 2812 */ 2813 if (cm->cm_targ->flags & MPRSAS_TARGET_INREMOVAL) { 2814 if (TAILQ_FIRST(&cm->cm_targ->commands) == NULL && 2815 cm->cm_targ->pending_remove_tm != NULL) { 2816 mpr_dprint(sc, MPR_INFO, "Last pending command complete: starting remove_device\n"); 2817 mpr_map_command(sc, cm->cm_targ->pending_remove_tm); 2818 cm->cm_targ->pending_remove_tm = NULL; 2819 } 2820 } 2821 2822 mpr_free_command(sc, cm); 2823 xpt_done(ccb); 2824} 2825 2826static void 2827mprsas_smpio_complete(struct mpr_softc *sc, struct mpr_command *cm) 2828{ 2829 MPI2_SMP_PASSTHROUGH_REPLY *rpl; 2830 MPI2_SMP_PASSTHROUGH_REQUEST *req; 2831 uint64_t sasaddr; 2832 union ccb *ccb; 2833 2834 ccb = cm->cm_complete_data; 2835 2836 /* 2837 * Currently there should be no way we can hit this case. It only 2838 * happens when we have a failure to allocate chain frames, and SMP 2839 * commands require two S/G elements only. That should be handled 2840 * in the standard request size. 2841 */ 2842 if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { 2843 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x on SMP " 2844 "request!\n", __func__, cm->cm_flags); 2845 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); 2846 goto bailout; 2847 } 2848 2849 rpl = (MPI2_SMP_PASSTHROUGH_REPLY *)cm->cm_reply; 2850 if (rpl == NULL) { 2851 mpr_dprint(sc, MPR_ERROR, "%s: NULL cm_reply!\n", __func__); 2852 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); 2853 goto bailout; 2854 } 2855 2856 req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req; 2857 sasaddr = le32toh(req->SASAddress.Low); 2858 sasaddr |= ((uint64_t)(le32toh(req->SASAddress.High))) << 32; 2859 2860 if ((le16toh(rpl->IOCStatus) & MPI2_IOCSTATUS_MASK) != 2861 MPI2_IOCSTATUS_SUCCESS || 2862 rpl->SASStatus != MPI2_SASSTATUS_SUCCESS) { 2863 mpr_dprint(sc, MPR_XINFO, "%s: IOCStatus %04x SASStatus %02x\n", 2864 __func__, le16toh(rpl->IOCStatus), rpl->SASStatus); 2865 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); 2866 goto bailout; 2867 } 2868 2869 mpr_dprint(sc, MPR_XINFO, "%s: SMP request to SAS address %#jx " 2870 "completed successfully\n", __func__, (uintmax_t)sasaddr); 2871 2872 if (ccb->smpio.smp_response[2] == SMP_FR_ACCEPTED) 2873 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 2874 else 2875 mprsas_set_ccbstatus(ccb, CAM_SMP_STATUS_ERROR); 2876 2877bailout: 2878 /* 2879 * We sync in both directions because we had DMAs in the S/G list 2880 * in both directions. 2881 */ 2882 bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap, 2883 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 2884 bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap); 2885 mpr_free_command(sc, cm); 2886 xpt_done(ccb); 2887} 2888 2889static void 2890mprsas_send_smpcmd(struct mprsas_softc *sassc, union ccb *ccb, uint64_t sasaddr) 2891{ 2892 struct mpr_command *cm; 2893 uint8_t *request, *response; 2894 MPI2_SMP_PASSTHROUGH_REQUEST *req; 2895 struct mpr_softc *sc; 2896 struct sglist *sg; 2897 int error; 2898 2899 sc = sassc->sc; 2900 sg = NULL; 2901 error = 0; 2902 2903 switch (ccb->ccb_h.flags & CAM_DATA_MASK) { 2904 case CAM_DATA_PADDR: 2905 case CAM_DATA_SG_PADDR: 2906 /* 2907 * XXX We don't yet support physical addresses here. 2908 */ 2909 mpr_dprint(sc, MPR_ERROR, "%s: physical addresses not " 2910 "supported\n", __func__); 2911 mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID); 2912 xpt_done(ccb); 2913 return; 2914 case CAM_DATA_SG: 2915 /* 2916 * The chip does not support more than one buffer for the 2917 * request or response. 2918 */ 2919 if ((ccb->smpio.smp_request_sglist_cnt > 1) 2920 || (ccb->smpio.smp_response_sglist_cnt > 1)) { 2921 mpr_dprint(sc, MPR_ERROR, "%s: multiple request or " 2922 "response buffer segments not supported for SMP\n", 2923 __func__); 2924 mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID); 2925 xpt_done(ccb); 2926 return; 2927 } 2928 2929 /* 2930 * The CAM_SCATTER_VALID flag was originally implemented 2931 * for the XPT_SCSI_IO CCB, which only has one data pointer. 2932 * We have two. So, just take that flag to mean that we 2933 * might have S/G lists, and look at the S/G segment count 2934 * to figure out whether that is the case for each individual 2935 * buffer. 2936 */ 2937 if (ccb->smpio.smp_request_sglist_cnt != 0) { 2938 bus_dma_segment_t *req_sg; 2939 2940 req_sg = (bus_dma_segment_t *)ccb->smpio.smp_request; 2941 request = (uint8_t *)(uintptr_t)req_sg[0].ds_addr; 2942 } else 2943 request = ccb->smpio.smp_request; 2944 2945 if (ccb->smpio.smp_response_sglist_cnt != 0) { 2946 bus_dma_segment_t *rsp_sg; 2947 2948 rsp_sg = (bus_dma_segment_t *)ccb->smpio.smp_response; 2949 response = (uint8_t *)(uintptr_t)rsp_sg[0].ds_addr; 2950 } else 2951 response = ccb->smpio.smp_response; 2952 break; 2953 case CAM_DATA_VADDR: 2954 request = ccb->smpio.smp_request; 2955 response = ccb->smpio.smp_response; 2956 break; 2957 default: 2958 mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID); 2959 xpt_done(ccb); 2960 return; 2961 } 2962 2963 cm = mpr_alloc_command(sc); 2964 if (cm == NULL) { 2965 mpr_dprint(sc, MPR_ERROR, "%s: cannot allocate command\n", 2966 __func__); 2967 mprsas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL); 2968 xpt_done(ccb); 2969 return; 2970 } 2971 2972 req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req; 2973 bzero(req, sizeof(*req)); 2974 req->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; 2975 2976 /* Allow the chip to use any route to this SAS address. */ 2977 req->PhysicalPort = 0xff; 2978 2979 req->RequestDataLength = htole16(ccb->smpio.smp_request_len); 2980 req->SGLFlags = 2981 MPI2_SGLFLAGS_SYSTEM_ADDRESS_SPACE | MPI2_SGLFLAGS_SGL_TYPE_MPI; 2982 2983 mpr_dprint(sc, MPR_XINFO, "%s: sending SMP request to SAS address " 2984 "%#jx\n", __func__, (uintmax_t)sasaddr); 2985 2986 mpr_init_sge(cm, req, &req->SGL); 2987 2988 /* 2989 * Set up a uio to pass into mpr_map_command(). This allows us to 2990 * do one map command, and one busdma call in there. 2991 */ 2992 cm->cm_uio.uio_iov = cm->cm_iovec; 2993 cm->cm_uio.uio_iovcnt = 2; 2994 cm->cm_uio.uio_segflg = UIO_SYSSPACE; 2995 2996 /* 2997 * The read/write flag isn't used by busdma, but set it just in 2998 * case. This isn't exactly accurate, either, since we're going in 2999 * both directions. 3000 */ 3001 cm->cm_uio.uio_rw = UIO_WRITE; 3002 3003 cm->cm_iovec[0].iov_base = request; 3004 cm->cm_iovec[0].iov_len = le16toh(req->RequestDataLength); 3005 cm->cm_iovec[1].iov_base = response; 3006 cm->cm_iovec[1].iov_len = ccb->smpio.smp_response_len; 3007 3008 cm->cm_uio.uio_resid = cm->cm_iovec[0].iov_len + 3009 cm->cm_iovec[1].iov_len; 3010 3011 /* 3012 * Trigger a warning message in mpr_data_cb() for the user if we 3013 * wind up exceeding two S/G segments. The chip expects one 3014 * segment for the request and another for the response. 3015 */ 3016 cm->cm_max_segs = 2; 3017 3018 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 3019 cm->cm_complete = mprsas_smpio_complete; 3020 cm->cm_complete_data = ccb; 3021 3022 /* 3023 * Tell the mapping code that we're using a uio, and that this is 3024 * an SMP passthrough request. There is a little special-case 3025 * logic there (in mpr_data_cb()) to handle the bidirectional 3026 * transfer. 3027 */ 3028 cm->cm_flags |= MPR_CM_FLAGS_USE_UIO | MPR_CM_FLAGS_SMP_PASS | 3029 MPR_CM_FLAGS_DATAIN | MPR_CM_FLAGS_DATAOUT; 3030 3031 /* The chip data format is little endian. */ 3032 req->SASAddress.High = htole32(sasaddr >> 32); 3033 req->SASAddress.Low = htole32(sasaddr); 3034 3035 /* 3036 * XXX Note that we don't have a timeout/abort mechanism here. 3037 * From the manual, it looks like task management requests only 3038 * work for SCSI IO and SATA passthrough requests. We may need to 3039 * have a mechanism to retry requests in the event of a chip reset 3040 * at least. Hopefully the chip will insure that any errors short 3041 * of that are relayed back to the driver. 3042 */ 3043 error = mpr_map_command(sc, cm); 3044 if ((error != 0) && (error != EINPROGRESS)) { 3045 mpr_dprint(sc, MPR_ERROR, "%s: error %d returned from " 3046 "mpr_map_command()\n", __func__, error); 3047 goto bailout_error; 3048 } 3049 3050 return; 3051 3052bailout_error: 3053 mpr_free_command(sc, cm); 3054 mprsas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL); 3055 xpt_done(ccb); 3056 return; 3057} 3058 3059static void 3060mprsas_action_smpio(struct mprsas_softc *sassc, union ccb *ccb) 3061{ 3062 struct mpr_softc *sc; 3063 struct mprsas_target *targ; 3064 uint64_t sasaddr = 0; 3065 3066 sc = sassc->sc; 3067 3068 /* 3069 * Make sure the target exists. 3070 */ 3071 KASSERT(ccb->ccb_h.target_id < sassc->maxtargets, 3072 ("Target %d out of bounds in XPT_SMP_IO\n", ccb->ccb_h.target_id)); 3073 targ = &sassc->targets[ccb->ccb_h.target_id]; 3074 if (targ->handle == 0x0) { 3075 mpr_dprint(sc, MPR_ERROR, "%s: target %d does not exist!\n", 3076 __func__, ccb->ccb_h.target_id); 3077 mprsas_set_ccbstatus(ccb, CAM_SEL_TIMEOUT); 3078 xpt_done(ccb); 3079 return; 3080 } 3081 3082 /* 3083 * If this device has an embedded SMP target, we'll talk to it 3084 * directly. 3085 * figure out what the expander's address is. 3086 */ 3087 if ((targ->devinfo & MPI2_SAS_DEVICE_INFO_SMP_TARGET) != 0) 3088 sasaddr = targ->sasaddr; 3089 3090 /* 3091 * If we don't have a SAS address for the expander yet, try 3092 * grabbing it from the page 0x83 information cached in the 3093 * transport layer for this target. LSI expanders report the 3094 * expander SAS address as the port-associated SAS address in 3095 * Inquiry VPD page 0x83. Maxim expanders don't report it in page 3096 * 0x83. 3097 * 3098 * XXX KDM disable this for now, but leave it commented out so that 3099 * it is obvious that this is another possible way to get the SAS 3100 * address. 3101 * 3102 * The parent handle method below is a little more reliable, and 3103 * the other benefit is that it works for devices other than SES 3104 * devices. So you can send a SMP request to a da(4) device and it 3105 * will get routed to the expander that device is attached to. 3106 * (Assuming the da(4) device doesn't contain an SMP target...) 3107 */ 3108#if 0 3109 if (sasaddr == 0) 3110 sasaddr = xpt_path_sas_addr(ccb->ccb_h.path); 3111#endif 3112 3113 /* 3114 * If we still don't have a SAS address for the expander, look for 3115 * the parent device of this device, which is probably the expander. 3116 */ 3117 if (sasaddr == 0) { 3118#ifdef OLD_MPR_PROBE 3119 struct mprsas_target *parent_target; 3120#endif 3121 3122 if (targ->parent_handle == 0x0) { 3123 mpr_dprint(sc, MPR_ERROR, "%s: handle %d does not have " 3124 "a valid parent handle!\n", __func__, targ->handle); 3125 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 3126 goto bailout; 3127 } 3128#ifdef OLD_MPR_PROBE 3129 parent_target = mprsas_find_target_by_handle(sassc, 0, 3130 targ->parent_handle); 3131 3132 if (parent_target == NULL) { 3133 mpr_dprint(sc, MPR_ERROR, "%s: handle %d does not have " 3134 "a valid parent target!\n", __func__, targ->handle); 3135 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 3136 goto bailout; 3137 } 3138 3139 if ((parent_target->devinfo & 3140 MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) { 3141 mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent %d " 3142 "does not have an SMP target!\n", __func__, 3143 targ->handle, parent_target->handle); 3144 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 3145 goto bailout; 3146 } 3147 3148 sasaddr = parent_target->sasaddr; 3149#else /* OLD_MPR_PROBE */ 3150 if ((targ->parent_devinfo & 3151 MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) { 3152 mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent %d " 3153 "does not have an SMP target!\n", __func__, 3154 targ->handle, targ->parent_handle); 3155 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 3156 goto bailout; 3157 } 3158 if (targ->parent_sasaddr == 0x0) { 3159 mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent handle " 3160 "%d does not have a valid SAS address!\n", __func__, 3161 targ->handle, targ->parent_handle); 3162 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 3163 goto bailout; 3164 } 3165 3166 sasaddr = targ->parent_sasaddr; 3167#endif /* OLD_MPR_PROBE */ 3168 } 3169 3170 if (sasaddr == 0) { 3171 mpr_dprint(sc, MPR_INFO, "%s: unable to find SAS address for " 3172 "handle %d\n", __func__, targ->handle); 3173 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); 3174 goto bailout; 3175 } 3176 mprsas_send_smpcmd(sassc, ccb, sasaddr); 3177 3178 return; 3179 3180bailout: 3181 xpt_done(ccb); 3182 3183} 3184 3185static void 3186mprsas_action_resetdev(struct mprsas_softc *sassc, union ccb *ccb) 3187{ 3188 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 3189 struct mpr_softc *sc; 3190 struct mpr_command *tm; 3191 struct mprsas_target *targ; 3192 3193 MPR_FUNCTRACE(sassc->sc); 3194 mtx_assert(&sassc->sc->mpr_mtx, MA_OWNED); 3195 3196 KASSERT(ccb->ccb_h.target_id < sassc->maxtargets, ("Target %d out of " 3197 "bounds in XPT_RESET_DEV\n", ccb->ccb_h.target_id)); 3198 sc = sassc->sc; 3199 tm = mprsas_alloc_tm(sc); 3200 if (tm == NULL) { 3201 mpr_dprint(sc, MPR_ERROR, "command alloc failure in " 3202 "mprsas_action_resetdev\n"); 3203 mprsas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL); 3204 xpt_done(ccb); 3205 return; 3206 } 3207 3208 targ = &sassc->targets[ccb->ccb_h.target_id]; 3209 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; 3210 req->DevHandle = htole16(targ->handle); 3211 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; 3212 3213 if (!targ->is_nvme || sc->custom_nvme_tm_handling) { 3214 /* SAS Hard Link Reset / SATA Link Reset */ 3215 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET; 3216 } else { 3217 /* PCIe Protocol Level Reset*/ 3218 req->MsgFlags = 3219 MPI26_SCSITASKMGMT_MSGFLAGS_PROTOCOL_LVL_RST_PCIE; 3220 } 3221 3222 tm->cm_data = NULL; 3223 tm->cm_complete = mprsas_resetdev_complete; 3224 tm->cm_complete_data = ccb; 3225 3226 mpr_dprint(sc, MPR_INFO, "%s: Sending reset for target ID %d\n", 3227 __func__, targ->tid); 3228 tm->cm_targ = targ; 3229 3230 mprsas_prepare_for_tm(sc, tm, targ, CAM_LUN_WILDCARD); 3231 mpr_map_command(sc, tm); 3232} 3233 3234static void 3235mprsas_resetdev_complete(struct mpr_softc *sc, struct mpr_command *tm) 3236{ 3237 MPI2_SCSI_TASK_MANAGE_REPLY *resp; 3238 union ccb *ccb; 3239 3240 MPR_FUNCTRACE(sc); 3241 mtx_assert(&sc->mpr_mtx, MA_OWNED); 3242 3243 resp = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; 3244 ccb = tm->cm_complete_data; 3245 3246 /* 3247 * Currently there should be no way we can hit this case. It only 3248 * happens when we have a failure to allocate chain frames, and 3249 * task management commands don't have S/G lists. 3250 */ 3251 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { 3252 MPI2_SCSI_TASK_MANAGE_REQUEST *req; 3253 3254 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; 3255 3256 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for reset of " 3257 "handle %#04x! This should not happen!\n", __func__, 3258 tm->cm_flags, req->DevHandle); 3259 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); 3260 goto bailout; 3261 } 3262 3263 mpr_dprint(sc, MPR_XINFO, "%s: IOCStatus = 0x%x ResponseCode = 0x%x\n", 3264 __func__, le16toh(resp->IOCStatus), le32toh(resp->ResponseCode)); 3265 3266 if (le32toh(resp->ResponseCode) == MPI2_SCSITASKMGMT_RSP_TM_COMPLETE) { 3267 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); 3268 mprsas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid, 3269 CAM_LUN_WILDCARD); 3270 } 3271 else 3272 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); 3273 3274bailout: 3275 3276 mprsas_free_tm(sc, tm); 3277 xpt_done(ccb); 3278} 3279 3280static void 3281mprsas_poll(struct cam_sim *sim) 3282{ 3283 struct mprsas_softc *sassc; 3284 3285 sassc = cam_sim_softc(sim); 3286 3287 if (sassc->sc->mpr_debug & MPR_TRACE) { 3288 /* frequent debug messages during a panic just slow 3289 * everything down too much. 3290 */ 3291 mpr_dprint(sassc->sc, MPR_XINFO, "%s clearing MPR_TRACE\n", 3292 __func__); 3293 sassc->sc->mpr_debug &= ~MPR_TRACE; 3294 } 3295 3296 mpr_intr_locked(sassc->sc); 3297} 3298 3299static void 3300mprsas_async(void *callback_arg, uint32_t code, struct cam_path *path, 3301 void *arg) 3302{ 3303 struct mpr_softc *sc; 3304 3305 sc = (struct mpr_softc *)callback_arg; 3306 3307 switch (code) { 3308 case AC_ADVINFO_CHANGED: { 3309 struct mprsas_target *target; 3310 struct mprsas_softc *sassc; 3311 struct scsi_read_capacity_data_long rcap_buf; 3312 struct ccb_dev_advinfo cdai; 3313 struct mprsas_lun *lun; 3314 lun_id_t lunid; 3315 int found_lun; 3316 uintptr_t buftype; 3317 3318 buftype = (uintptr_t)arg; 3319 3320 found_lun = 0; 3321 sassc = sc->sassc; 3322 3323 /* 3324 * We're only interested in read capacity data changes. 3325 */ 3326 if (buftype != CDAI_TYPE_RCAPLONG) 3327 break; 3328 3329 /* 3330 * We should have a handle for this, but check to make sure. 3331 */ 3332 KASSERT(xpt_path_target_id(path) < sassc->maxtargets, 3333 ("Target %d out of bounds in mprsas_async\n", 3334 xpt_path_target_id(path))); 3335 target = &sassc->targets[xpt_path_target_id(path)]; 3336 if (target->handle == 0) 3337 break; 3338 3339 lunid = xpt_path_lun_id(path); 3340 3341 SLIST_FOREACH(lun, &target->luns, lun_link) { 3342 if (lun->lun_id == lunid) { 3343 found_lun = 1; 3344 break; 3345 } 3346 } 3347 3348 if (found_lun == 0) { 3349 lun = malloc(sizeof(struct mprsas_lun), M_MPR, 3350 M_NOWAIT | M_ZERO); 3351 if (lun == NULL) { 3352 mpr_dprint(sc, MPR_ERROR, "Unable to alloc " 3353 "LUN for EEDP support.\n"); 3354 break; 3355 } 3356 lun->lun_id = lunid; 3357 SLIST_INSERT_HEAD(&target->luns, lun, lun_link); 3358 } 3359 3360 bzero(&rcap_buf, sizeof(rcap_buf)); 3361 xpt_setup_ccb(&cdai.ccb_h, path, CAM_PRIORITY_NORMAL); 3362 cdai.ccb_h.func_code = XPT_DEV_ADVINFO; 3363 cdai.ccb_h.flags = CAM_DIR_IN; 3364 cdai.buftype = CDAI_TYPE_RCAPLONG; 3365 cdai.flags = CDAI_FLAG_NONE; 3366 cdai.bufsiz = sizeof(rcap_buf); 3367 cdai.buf = (uint8_t *)&rcap_buf; 3368 xpt_action((union ccb *)&cdai); 3369 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0) 3370 cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE); 3371 3372 if ((mprsas_get_ccbstatus((union ccb *)&cdai) == CAM_REQ_CMP) 3373 && (rcap_buf.prot & SRC16_PROT_EN)) { 3374 switch (rcap_buf.prot & SRC16_P_TYPE) { 3375 case SRC16_PTYPE_1: 3376 case SRC16_PTYPE_3: 3377 lun->eedp_formatted = TRUE; 3378 lun->eedp_block_size = 3379 scsi_4btoul(rcap_buf.length); 3380 break; 3381 case SRC16_PTYPE_2: 3382 default: 3383 lun->eedp_formatted = FALSE; 3384 lun->eedp_block_size = 0; 3385 break; 3386 } 3387 } else { 3388 lun->eedp_formatted = FALSE; 3389 lun->eedp_block_size = 0; 3390 } 3391 break; 3392 } 3393 case AC_FOUND_DEVICE: 3394 default: 3395 break; 3396 } 3397} 3398 3399/* 3400 * Set the INRESET flag for this target so that no I/O will be sent to 3401 * the target until the reset has completed. If an I/O request does 3402 * happen, the devq will be frozen. The CCB holds the path which is 3403 * used to release the devq. The devq is released and the CCB is freed 3404 * when the TM completes. 3405 */ 3406void 3407mprsas_prepare_for_tm(struct mpr_softc *sc, struct mpr_command *tm, 3408 struct mprsas_target *target, lun_id_t lun_id) 3409{ 3410 union ccb *ccb; 3411 path_id_t path_id; 3412 3413 ccb = xpt_alloc_ccb_nowait(); 3414 if (ccb) { 3415 path_id = cam_sim_path(sc->sassc->sim); 3416 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, path_id, 3417 target->tid, lun_id) != CAM_REQ_CMP) { 3418 xpt_free_ccb(ccb); 3419 } else { 3420 tm->cm_ccb = ccb; 3421 tm->cm_targ = target; 3422 target->flags |= MPRSAS_TARGET_INRESET; 3423 } 3424 } 3425} 3426 3427int 3428mprsas_startup(struct mpr_softc *sc) 3429{ 3430 /* 3431 * Send the port enable message and set the wait_for_port_enable flag. 3432 * This flag helps to keep the simq frozen until all discovery events 3433 * are processed. 3434 */ 3435 sc->wait_for_port_enable = 1; 3436 mprsas_send_portenable(sc); 3437 return (0); 3438} 3439 3440static int 3441mprsas_send_portenable(struct mpr_softc *sc) 3442{ 3443 MPI2_PORT_ENABLE_REQUEST *request; 3444 struct mpr_command *cm; 3445 3446 MPR_FUNCTRACE(sc); 3447 3448 if ((cm = mpr_alloc_command(sc)) == NULL) 3449 return (EBUSY); 3450 request = (MPI2_PORT_ENABLE_REQUEST *)cm->cm_req; 3451 request->Function = MPI2_FUNCTION_PORT_ENABLE; 3452 request->MsgFlags = 0; 3453 request->VP_ID = 0; 3454 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 3455 cm->cm_complete = mprsas_portenable_complete; 3456 cm->cm_data = NULL; 3457 cm->cm_sge = NULL; 3458 3459 mpr_map_command(sc, cm); 3460 mpr_dprint(sc, MPR_XINFO, 3461 "mpr_send_portenable finished cm %p req %p complete %p\n", 3462 cm, cm->cm_req, cm->cm_complete); 3463 return (0); 3464} 3465 3466static void 3467mprsas_portenable_complete(struct mpr_softc *sc, struct mpr_command *cm) 3468{ 3469 MPI2_PORT_ENABLE_REPLY *reply; 3470 struct mprsas_softc *sassc; 3471 3472 MPR_FUNCTRACE(sc); 3473 sassc = sc->sassc; 3474 3475 /* 3476 * Currently there should be no way we can hit this case. It only 3477 * happens when we have a failure to allocate chain frames, and 3478 * port enable commands don't have S/G lists. 3479 */ 3480 if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { 3481 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for port enable! " 3482 "This should not happen!\n", __func__, cm->cm_flags); 3483 } 3484 3485 reply = (MPI2_PORT_ENABLE_REPLY *)cm->cm_reply; 3486 if (reply == NULL) 3487 mpr_dprint(sc, MPR_FAULT, "Portenable NULL reply\n"); 3488 else if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != 3489 MPI2_IOCSTATUS_SUCCESS) 3490 mpr_dprint(sc, MPR_FAULT, "Portenable failed\n"); 3491 3492 mpr_free_command(sc, cm); 3493 /* 3494 * Done waiting for port enable to complete. Decrement the refcount. 3495 * If refcount is 0, discovery is complete and a rescan of the bus can 3496 * take place. 3497 */ 3498 sc->wait_for_port_enable = 0; 3499 sc->port_enable_complete = 1; 3500 wakeup(&sc->port_enable_complete); 3501 mprsas_startup_decrement(sassc); 3502} 3503 3504int 3505mprsas_check_id(struct mprsas_softc *sassc, int id) 3506{ 3507 struct mpr_softc *sc = sassc->sc; 3508 char *ids; 3509 char *name; 3510 3511 ids = &sc->exclude_ids[0]; 3512 while((name = strsep(&ids, ",")) != NULL) { 3513 if (name[0] == '\0') 3514 continue; 3515 if (strtol(name, NULL, 0) == (long)id) 3516 return (1); 3517 } 3518 3519 return (0); 3520} 3521 3522void 3523mprsas_realloc_targets(struct mpr_softc *sc, int maxtargets) 3524{ 3525 struct mprsas_softc *sassc; 3526 struct mprsas_lun *lun, *lun_tmp; 3527 struct mprsas_target *targ; 3528 int i; 3529 3530 sassc = sc->sassc; 3531 /* 3532 * The number of targets is based on IOC Facts, so free all of 3533 * the allocated LUNs for each target and then the target buffer 3534 * itself. 3535 */ 3536 for (i=0; i< maxtargets; i++) { 3537 targ = &sassc->targets[i]; 3538 SLIST_FOREACH_SAFE(lun, &targ->luns, lun_link, lun_tmp) { 3539 free(lun, M_MPR); 3540 } 3541 } 3542 free(sassc->targets, M_MPR); 3543 3544 sassc->targets = malloc(sizeof(struct mprsas_target) * maxtargets, 3545 M_MPR, M_WAITOK|M_ZERO); 3546} 3547