1 /*- 2 * BSD LICENSE 3 * 4 * Copyright (c) Intel Corporation. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include "spdk/stdinc.h" 35 36 #include "nvmf_internal.h" 37 38 #include "spdk/bdev.h" 39 #include "spdk/endian.h" 40 #include "spdk/thread.h" 41 #include "spdk/likely.h" 42 #include "spdk/nvme.h" 43 #include "spdk/nvmf_spec.h" 44 #include "spdk/trace.h" 45 #include "spdk/scsi_spec.h" 46 #include "spdk/string.h" 47 #include "spdk/util.h" 48 49 #include "spdk_internal/log.h" 50 51 static bool 52 spdk_nvmf_subsystem_bdev_io_type_supported(struct spdk_nvmf_subsystem *subsystem, 53 enum spdk_bdev_io_type io_type) 54 { 55 struct spdk_nvmf_ns *ns; 56 57 for (ns = spdk_nvmf_subsystem_get_first_ns(subsystem); ns != NULL; 58 ns = spdk_nvmf_subsystem_get_next_ns(subsystem, ns)) { 59 if (ns->bdev == NULL) { 60 continue; 61 } 62 63 if (!spdk_bdev_io_type_supported(ns->bdev, io_type)) { 64 SPDK_DEBUGLOG(SPDK_LOG_NVMF, 65 "Subsystem %s namespace %u (%s) does not support io_type %d\n", 66 spdk_nvmf_subsystem_get_nqn(subsystem), 67 ns->opts.nsid, spdk_bdev_get_name(ns->bdev), (int)io_type); 68 return false; 69 } 70 } 71 72 SPDK_DEBUGLOG(SPDK_LOG_NVMF, "All devices in Subsystem %s support io_type %d\n", 73 spdk_nvmf_subsystem_get_nqn(subsystem), (int)io_type); 74 return true; 75 } 76 77 bool 78 spdk_nvmf_ctrlr_dsm_supported(struct spdk_nvmf_ctrlr *ctrlr) 79 { 80 return spdk_nvmf_subsystem_bdev_io_type_supported(ctrlr->subsys, SPDK_BDEV_IO_TYPE_UNMAP); 81 } 82 83 bool 84 spdk_nvmf_ctrlr_write_zeroes_supported(struct spdk_nvmf_ctrlr *ctrlr) 85 { 86 return spdk_nvmf_subsystem_bdev_io_type_supported(ctrlr->subsys, SPDK_BDEV_IO_TYPE_WRITE_ZEROES); 87 } 88 89 static void 90 nvmf_bdev_ctrlr_complete_cmd(struct spdk_bdev_io *bdev_io, bool success, 91 void *cb_arg) 92 { 93 struct spdk_nvmf_request *req = cb_arg; 94 struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl; 95 int sc, sct; 96 97 spdk_bdev_io_get_nvme_status(bdev_io, &sct, &sc); 98 response->status.sc = sc; 99 response->status.sct = sct; 100 101 spdk_nvmf_request_complete(req); 102 spdk_bdev_free_io(bdev_io); 103 } 104 105 void 106 spdk_nvmf_bdev_ctrlr_identify_ns(struct spdk_nvmf_ns *ns, struct spdk_nvme_ns_data *nsdata) 107 { 108 struct spdk_bdev *bdev = ns->bdev; 109 uint64_t num_blocks; 110 111 num_blocks = spdk_bdev_get_num_blocks(bdev); 112 113 nsdata->nsze = num_blocks; 114 nsdata->ncap = num_blocks; 115 nsdata->nuse = num_blocks; 116 nsdata->nlbaf = 0; 117 nsdata->flbas.format = 0; 118 nsdata->lbaf[0].ms = spdk_bdev_get_md_size(bdev); 119 nsdata->lbaf[0].lbads = spdk_u32log2(spdk_bdev_get_block_size(bdev)); 120 if (nsdata->lbaf[0].ms != 0) { 121 nsdata->flbas.extended = 1; 122 nsdata->mc.extended = 1; 123 nsdata->mc.pointer = 0; 124 nsdata->dps.md_start = spdk_bdev_is_dif_head_of_md(bdev); 125 126 switch (spdk_bdev_get_dif_type(bdev)) { 127 case SPDK_DIF_TYPE1: 128 nsdata->dpc.pit1 = 1; 129 nsdata->dps.pit = SPDK_NVME_FMT_NVM_PROTECTION_TYPE1; 130 break; 131 case SPDK_DIF_TYPE2: 132 nsdata->dpc.pit2 = 1; 133 nsdata->dps.pit = SPDK_NVME_FMT_NVM_PROTECTION_TYPE2; 134 break; 135 case SPDK_DIF_TYPE3: 136 nsdata->dpc.pit3 = 1; 137 nsdata->dps.pit = SPDK_NVME_FMT_NVM_PROTECTION_TYPE3; 138 break; 139 default: 140 SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Protection Disabled\n"); 141 nsdata->dps.pit = SPDK_NVME_FMT_NVM_PROTECTION_DISABLE; 142 break; 143 } 144 } 145 nsdata->noiob = spdk_bdev_get_optimal_io_boundary(bdev); 146 nsdata->nmic.can_share = 1; 147 if (ns->ptpl_file != NULL) { 148 nsdata->nsrescap.rescap.persist = 1; 149 } 150 nsdata->nsrescap.rescap.write_exclusive = 1; 151 nsdata->nsrescap.rescap.exclusive_access = 1; 152 nsdata->nsrescap.rescap.write_exclusive_reg_only = 1; 153 nsdata->nsrescap.rescap.exclusive_access_reg_only = 1; 154 nsdata->nsrescap.rescap.write_exclusive_all_reg = 1; 155 nsdata->nsrescap.rescap.exclusive_access_all_reg = 1; 156 nsdata->nsrescap.rescap.ignore_existing_key = 1; 157 158 SPDK_STATIC_ASSERT(sizeof(nsdata->nguid) == sizeof(ns->opts.nguid), "size mismatch"); 159 memcpy(nsdata->nguid, ns->opts.nguid, sizeof(nsdata->nguid)); 160 161 SPDK_STATIC_ASSERT(sizeof(nsdata->eui64) == sizeof(ns->opts.eui64), "size mismatch"); 162 memcpy(&nsdata->eui64, ns->opts.eui64, sizeof(nsdata->eui64)); 163 } 164 165 static void 166 nvmf_bdev_ctrlr_get_rw_params(const struct spdk_nvme_cmd *cmd, uint64_t *start_lba, 167 uint64_t *num_blocks) 168 { 169 /* SLBA: CDW10 and CDW11 */ 170 *start_lba = from_le64(&cmd->cdw10); 171 172 /* NLB: CDW12 bits 15:00, 0's based */ 173 *num_blocks = (from_le32(&cmd->cdw12) & 0xFFFFu) + 1; 174 } 175 176 static bool 177 nvmf_bdev_ctrlr_lba_in_range(uint64_t bdev_num_blocks, uint64_t io_start_lba, 178 uint64_t io_num_blocks) 179 { 180 if (io_start_lba + io_num_blocks > bdev_num_blocks || 181 io_start_lba + io_num_blocks < io_start_lba) { 182 return false; 183 } 184 185 return true; 186 } 187 188 static void 189 spdk_nvmf_ctrlr_process_io_cmd_resubmit(void *arg) 190 { 191 struct spdk_nvmf_request *req = arg; 192 193 spdk_nvmf_ctrlr_process_io_cmd(req); 194 } 195 196 static void 197 nvmf_bdev_ctrl_queue_io(struct spdk_nvmf_request *req, struct spdk_bdev *bdev, 198 struct spdk_io_channel *ch, spdk_bdev_io_wait_cb cb_fn, void *cb_arg) 199 { 200 int rc; 201 202 req->bdev_io_wait.bdev = bdev; 203 req->bdev_io_wait.cb_fn = cb_fn; 204 req->bdev_io_wait.cb_arg = cb_arg; 205 206 rc = spdk_bdev_queue_io_wait(bdev, ch, &req->bdev_io_wait); 207 if (rc != 0) { 208 assert(false); 209 } 210 } 211 212 int 213 spdk_nvmf_bdev_ctrlr_read_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, 214 struct spdk_io_channel *ch, struct spdk_nvmf_request *req) 215 { 216 uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev); 217 uint32_t block_size = spdk_bdev_get_block_size(bdev); 218 struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; 219 struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; 220 uint64_t start_lba; 221 uint64_t num_blocks; 222 int rc; 223 224 nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks); 225 226 if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) { 227 SPDK_ERRLOG("end of media\n"); 228 rsp->status.sct = SPDK_NVME_SCT_GENERIC; 229 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE; 230 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; 231 } 232 233 if (spdk_unlikely(num_blocks * block_size > req->length)) { 234 SPDK_ERRLOG("Read NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n", 235 num_blocks, block_size, req->length); 236 rsp->status.sct = SPDK_NVME_SCT_GENERIC; 237 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID; 238 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; 239 } 240 241 rc = spdk_bdev_readv_blocks(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks, 242 nvmf_bdev_ctrlr_complete_cmd, req); 243 if (spdk_unlikely(rc)) { 244 if (rc == -ENOMEM) { 245 nvmf_bdev_ctrl_queue_io(req, bdev, ch, spdk_nvmf_ctrlr_process_io_cmd_resubmit, req); 246 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; 247 } 248 rsp->status.sct = SPDK_NVME_SCT_GENERIC; 249 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR; 250 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; 251 } 252 253 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; 254 } 255 256 int 257 spdk_nvmf_bdev_ctrlr_write_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, 258 struct spdk_io_channel *ch, struct spdk_nvmf_request *req) 259 { 260 uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev); 261 uint32_t block_size = spdk_bdev_get_block_size(bdev); 262 struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; 263 struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; 264 uint64_t start_lba; 265 uint64_t num_blocks; 266 int rc; 267 268 nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks); 269 270 if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) { 271 SPDK_ERRLOG("end of media\n"); 272 rsp->status.sct = SPDK_NVME_SCT_GENERIC; 273 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE; 274 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; 275 } 276 277 if (spdk_unlikely(num_blocks * block_size > req->length)) { 278 SPDK_ERRLOG("Write NLB %" PRIu64 " * block size %" PRIu32 " > SGL length %" PRIu32 "\n", 279 num_blocks, block_size, req->length); 280 rsp->status.sct = SPDK_NVME_SCT_GENERIC; 281 rsp->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID; 282 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; 283 } 284 285 rc = spdk_bdev_writev_blocks(desc, ch, req->iov, req->iovcnt, start_lba, num_blocks, 286 nvmf_bdev_ctrlr_complete_cmd, req); 287 if (spdk_unlikely(rc)) { 288 if (rc == -ENOMEM) { 289 nvmf_bdev_ctrl_queue_io(req, bdev, ch, spdk_nvmf_ctrlr_process_io_cmd_resubmit, req); 290 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; 291 } 292 rsp->status.sct = SPDK_NVME_SCT_GENERIC; 293 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR; 294 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; 295 } 296 297 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; 298 } 299 300 int 301 spdk_nvmf_bdev_ctrlr_write_zeroes_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, 302 struct spdk_io_channel *ch, struct spdk_nvmf_request *req) 303 { 304 uint64_t bdev_num_blocks = spdk_bdev_get_num_blocks(bdev); 305 struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; 306 struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl; 307 uint64_t start_lba; 308 uint64_t num_blocks; 309 int rc; 310 311 nvmf_bdev_ctrlr_get_rw_params(cmd, &start_lba, &num_blocks); 312 313 if (spdk_unlikely(!nvmf_bdev_ctrlr_lba_in_range(bdev_num_blocks, start_lba, num_blocks))) { 314 SPDK_ERRLOG("end of media\n"); 315 rsp->status.sct = SPDK_NVME_SCT_GENERIC; 316 rsp->status.sc = SPDK_NVME_SC_LBA_OUT_OF_RANGE; 317 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; 318 } 319 320 rc = spdk_bdev_write_zeroes_blocks(desc, ch, start_lba, num_blocks, 321 nvmf_bdev_ctrlr_complete_cmd, req); 322 if (spdk_unlikely(rc)) { 323 if (rc == -ENOMEM) { 324 nvmf_bdev_ctrl_queue_io(req, bdev, ch, spdk_nvmf_ctrlr_process_io_cmd_resubmit, req); 325 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; 326 } 327 rsp->status.sct = SPDK_NVME_SCT_GENERIC; 328 rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR; 329 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; 330 } 331 332 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; 333 } 334 335 int 336 spdk_nvmf_bdev_ctrlr_flush_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, 337 struct spdk_io_channel *ch, struct spdk_nvmf_request *req) 338 { 339 struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl; 340 int rc; 341 342 /* As for NVMeoF controller, SPDK always set volatile write 343 * cache bit to 1, return success for those block devices 344 * which can't support FLUSH command. 345 */ 346 if (!spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_FLUSH)) { 347 response->status.sct = SPDK_NVME_SCT_GENERIC; 348 response->status.sc = SPDK_NVME_SC_SUCCESS; 349 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; 350 } 351 352 rc = spdk_bdev_flush_blocks(desc, ch, 0, spdk_bdev_get_num_blocks(bdev), 353 nvmf_bdev_ctrlr_complete_cmd, req); 354 if (spdk_unlikely(rc)) { 355 if (rc == -ENOMEM) { 356 nvmf_bdev_ctrl_queue_io(req, bdev, ch, spdk_nvmf_ctrlr_process_io_cmd_resubmit, req); 357 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; 358 } 359 response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR; 360 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; 361 } 362 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; 363 } 364 365 struct nvmf_bdev_ctrlr_unmap { 366 struct spdk_nvmf_request *req; 367 uint32_t count; 368 struct spdk_bdev_desc *desc; 369 struct spdk_bdev *bdev; 370 struct spdk_io_channel *ch; 371 uint32_t range_index; 372 }; 373 374 static void 375 nvmf_bdev_ctrlr_unmap_cpl(struct spdk_bdev_io *bdev_io, bool success, 376 void *cb_arg) 377 { 378 struct nvmf_bdev_ctrlr_unmap *unmap_ctx = cb_arg; 379 struct spdk_nvmf_request *req = unmap_ctx->req; 380 struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl; 381 int sc, sct; 382 383 unmap_ctx->count--; 384 385 if (response->status.sct == SPDK_NVME_SCT_GENERIC && 386 response->status.sc == SPDK_NVME_SC_SUCCESS) { 387 spdk_bdev_io_get_nvme_status(bdev_io, &sct, &sc); 388 response->status.sc = sc; 389 response->status.sct = sct; 390 } 391 392 if (unmap_ctx->count == 0) { 393 spdk_nvmf_request_complete(req); 394 free(unmap_ctx); 395 } 396 spdk_bdev_free_io(bdev_io); 397 } 398 399 static int 400 nvmf_bdev_ctrlr_unmap(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, 401 struct spdk_io_channel *ch, struct spdk_nvmf_request *req, 402 struct nvmf_bdev_ctrlr_unmap *unmap_ctx); 403 static void 404 nvmf_bdev_ctrlr_unmap_resubmit(void *arg) 405 { 406 struct nvmf_bdev_ctrlr_unmap *unmap_ctx = arg; 407 struct spdk_nvmf_request *req = unmap_ctx->req; 408 struct spdk_bdev_desc *desc = unmap_ctx->desc; 409 struct spdk_bdev *bdev = unmap_ctx->bdev; 410 struct spdk_io_channel *ch = unmap_ctx->ch; 411 412 nvmf_bdev_ctrlr_unmap(bdev, desc, ch, req, unmap_ctx); 413 } 414 415 static int 416 nvmf_bdev_ctrlr_unmap(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, 417 struct spdk_io_channel *ch, struct spdk_nvmf_request *req, 418 struct nvmf_bdev_ctrlr_unmap *unmap_ctx) 419 { 420 uint16_t nr, i; 421 struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; 422 struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl; 423 struct spdk_nvme_dsm_range *dsm_range; 424 uint64_t lba; 425 uint32_t lba_count; 426 int rc; 427 428 nr = ((cmd->cdw10 & 0x000000ff) + 1); 429 if (nr * sizeof(struct spdk_nvme_dsm_range) > req->length) { 430 SPDK_ERRLOG("Dataset Management number of ranges > SGL length\n"); 431 response->status.sc = SPDK_NVME_SC_DATA_SGL_LENGTH_INVALID; 432 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; 433 } 434 435 if (unmap_ctx == NULL) { 436 unmap_ctx = calloc(1, sizeof(*unmap_ctx)); 437 if (!unmap_ctx) { 438 response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR; 439 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; 440 } 441 442 unmap_ctx->req = req; 443 unmap_ctx->desc = desc; 444 unmap_ctx->ch = ch; 445 unmap_ctx->bdev = bdev; 446 447 response->status.sct = SPDK_NVME_SCT_GENERIC; 448 response->status.sc = SPDK_NVME_SC_SUCCESS; 449 } else { 450 unmap_ctx->count--; /* dequeued */ 451 } 452 453 dsm_range = (struct spdk_nvme_dsm_range *)req->data; 454 for (i = unmap_ctx->range_index; i < nr; i++) { 455 lba = dsm_range[i].starting_lba; 456 lba_count = dsm_range[i].length; 457 458 unmap_ctx->count++; 459 460 rc = spdk_bdev_unmap_blocks(desc, ch, lba, lba_count, 461 nvmf_bdev_ctrlr_unmap_cpl, unmap_ctx); 462 if (rc) { 463 if (rc == -ENOMEM) { 464 nvmf_bdev_ctrl_queue_io(req, bdev, ch, nvmf_bdev_ctrlr_unmap_resubmit, unmap_ctx); 465 /* Unmap was not yet submitted to bdev */ 466 /* unmap_ctx->count will be decremented when the request is dequeued */ 467 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; 468 } 469 response->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR; 470 unmap_ctx->count--; 471 /* We can't return here - we may have to wait for any other 472 * unmaps already sent to complete */ 473 break; 474 } 475 unmap_ctx->range_index++; 476 } 477 478 if (unmap_ctx->count == 0) { 479 free(unmap_ctx); 480 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; 481 } 482 483 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; 484 } 485 486 int 487 spdk_nvmf_bdev_ctrlr_dsm_cmd(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, 488 struct spdk_io_channel *ch, struct spdk_nvmf_request *req) 489 { 490 uint32_t attribute; 491 struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd; 492 struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl; 493 494 attribute = cmd->cdw11 & 0x00000007; 495 if (attribute & SPDK_NVME_DSM_ATTR_DEALLOCATE) { 496 return nvmf_bdev_ctrlr_unmap(bdev, desc, ch, req, NULL); 497 } 498 499 response->status.sct = SPDK_NVME_SCT_GENERIC; 500 response->status.sc = SPDK_NVME_SC_SUCCESS; 501 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; 502 } 503 504 int 505 spdk_nvmf_bdev_ctrlr_nvme_passthru_io(struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, 506 struct spdk_io_channel *ch, struct spdk_nvmf_request *req) 507 { 508 int rc; 509 510 rc = spdk_bdev_nvme_io_passthru(desc, ch, &req->cmd->nvme_cmd, req->data, req->length, 511 nvmf_bdev_ctrlr_complete_cmd, req); 512 if (spdk_unlikely(rc)) { 513 if (rc == -ENOMEM) { 514 nvmf_bdev_ctrl_queue_io(req, bdev, ch, spdk_nvmf_ctrlr_process_io_cmd_resubmit, req); 515 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; 516 } 517 req->rsp->nvme_cpl.status.sct = SPDK_NVME_SCT_GENERIC; 518 req->rsp->nvme_cpl.status.sc = SPDK_NVME_SC_INVALID_OPCODE; 519 return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE; 520 } 521 522 return SPDK_NVMF_REQUEST_EXEC_STATUS_ASYNCHRONOUS; 523 } 524