1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) Intel Corporation. All rights reserved. 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 "spdk_internal/log.h" 37 #include "spdk/rpc.h" 38 #include "spdk/util.h" 39 #include "spdk/string.h" 40 #include "spdk/env.h" 41 42 #include "spdk/scsi.h" 43 #include "spdk/vhost.h" 44 #include "vhost_internal.h" 45 #include "spdk/bdev.h" 46 47 struct rpc_vhost_scsi_ctrlr { 48 char *ctrlr; 49 char *cpumask; 50 }; 51 52 static void 53 free_rpc_vhost_scsi_ctrlr(struct rpc_vhost_scsi_ctrlr *req) 54 { 55 free(req->ctrlr); 56 free(req->cpumask); 57 } 58 59 static const struct spdk_json_object_decoder rpc_construct_vhost_ctrlr[] = { 60 {"ctrlr", offsetof(struct rpc_vhost_scsi_ctrlr, ctrlr), spdk_json_decode_string }, 61 {"cpumask", offsetof(struct rpc_vhost_scsi_ctrlr, cpumask), spdk_json_decode_string, true}, 62 }; 63 64 static void 65 spdk_rpc_construct_vhost_scsi_controller(struct spdk_jsonrpc_request *request, 66 const struct spdk_json_val *params) 67 { 68 struct rpc_vhost_scsi_ctrlr req = {0}; 69 struct spdk_json_write_ctx *w; 70 int rc; 71 72 if (spdk_json_decode_object(params, rpc_construct_vhost_ctrlr, 73 SPDK_COUNTOF(rpc_construct_vhost_ctrlr), 74 &req)) { 75 SPDK_DEBUGLOG(SPDK_LOG_VHOST_RPC, "spdk_json_decode_object failed\n"); 76 rc = -EINVAL; 77 goto invalid; 78 } 79 80 rc = spdk_vhost_scsi_dev_construct(req.ctrlr, req.cpumask); 81 if (rc < 0) { 82 goto invalid; 83 } 84 85 free_rpc_vhost_scsi_ctrlr(&req); 86 87 w = spdk_jsonrpc_begin_result(request); 88 spdk_json_write_bool(w, true); 89 spdk_jsonrpc_end_result(request, w); 90 return; 91 92 invalid: 93 free_rpc_vhost_scsi_ctrlr(&req); 94 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 95 spdk_strerror(-rc)); 96 } 97 SPDK_RPC_REGISTER("construct_vhost_scsi_controller", spdk_rpc_construct_vhost_scsi_controller, 98 SPDK_RPC_RUNTIME) 99 100 struct rpc_add_vhost_scsi_ctrlr_lun { 101 char *ctrlr; 102 int32_t scsi_target_num; 103 char *bdev_name; 104 }; 105 106 static void 107 free_rpc_add_vhost_scsi_ctrlr_lun(struct rpc_add_vhost_scsi_ctrlr_lun *req) 108 { 109 free(req->ctrlr); 110 free(req->bdev_name); 111 } 112 113 static const struct spdk_json_object_decoder rpc_vhost_add_lun[] = { 114 {"ctrlr", offsetof(struct rpc_add_vhost_scsi_ctrlr_lun, ctrlr), spdk_json_decode_string }, 115 {"scsi_target_num", offsetof(struct rpc_add_vhost_scsi_ctrlr_lun, scsi_target_num), spdk_json_decode_int32}, 116 {"bdev_name", offsetof(struct rpc_add_vhost_scsi_ctrlr_lun, bdev_name), spdk_json_decode_string }, 117 }; 118 119 static void 120 spdk_rpc_add_vhost_scsi_lun(struct spdk_jsonrpc_request *request, 121 const struct spdk_json_val *params) 122 { 123 struct rpc_add_vhost_scsi_ctrlr_lun req = {0}; 124 struct spdk_json_write_ctx *w; 125 struct spdk_vhost_dev *vdev; 126 int rc; 127 128 if (spdk_json_decode_object(params, rpc_vhost_add_lun, 129 SPDK_COUNTOF(rpc_vhost_add_lun), 130 &req)) { 131 SPDK_DEBUGLOG(SPDK_LOG_VHOST_RPC, "spdk_json_decode_object failed\n"); 132 rc = -EINVAL; 133 goto invalid; 134 } 135 136 spdk_vhost_lock(); 137 vdev = spdk_vhost_dev_find(req.ctrlr); 138 if (vdev == NULL) { 139 spdk_vhost_unlock(); 140 rc = -ENODEV; 141 goto invalid; 142 } 143 144 rc = spdk_vhost_scsi_dev_add_tgt(vdev, req.scsi_target_num, req.bdev_name); 145 spdk_vhost_unlock(); 146 if (rc < 0) { 147 goto invalid; 148 } 149 150 free_rpc_add_vhost_scsi_ctrlr_lun(&req); 151 152 w = spdk_jsonrpc_begin_result(request); 153 spdk_json_write_int32(w, rc); 154 spdk_jsonrpc_end_result(request, w); 155 return; 156 157 invalid: 158 free_rpc_add_vhost_scsi_ctrlr_lun(&req); 159 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 160 spdk_strerror(-rc)); 161 } 162 SPDK_RPC_REGISTER("add_vhost_scsi_lun", spdk_rpc_add_vhost_scsi_lun, SPDK_RPC_RUNTIME) 163 164 struct rpc_remove_vhost_scsi_ctrlr_target { 165 char *ctrlr; 166 uint32_t scsi_target_num; 167 }; 168 169 static void 170 free_rpc_remove_vhost_scsi_ctrlr_target(struct rpc_remove_vhost_scsi_ctrlr_target *req) 171 { 172 free(req->ctrlr); 173 } 174 175 static const struct spdk_json_object_decoder rpc_vhost_remove_target[] = { 176 {"ctrlr", offsetof(struct rpc_remove_vhost_scsi_ctrlr_target, ctrlr), spdk_json_decode_string }, 177 {"scsi_target_num", offsetof(struct rpc_remove_vhost_scsi_ctrlr_target, scsi_target_num), spdk_json_decode_uint32}, 178 }; 179 180 static int 181 spdk_rpc_remove_vhost_scsi_target_finish_cb(struct spdk_vhost_dev *vdev, void *arg) 182 { 183 struct spdk_jsonrpc_request *request = arg; 184 struct spdk_json_write_ctx *w; 185 186 w = spdk_jsonrpc_begin_result(request); 187 spdk_json_write_bool(w, true); 188 spdk_jsonrpc_end_result(request, w); 189 return 0; 190 } 191 192 static void 193 spdk_rpc_remove_vhost_scsi_target(struct spdk_jsonrpc_request *request, 194 const struct spdk_json_val *params) 195 { 196 struct rpc_remove_vhost_scsi_ctrlr_target req = {0}; 197 struct spdk_vhost_dev *vdev; 198 int rc; 199 200 if (spdk_json_decode_object(params, rpc_vhost_remove_target, 201 SPDK_COUNTOF(rpc_vhost_remove_target), 202 &req)) { 203 SPDK_DEBUGLOG(SPDK_LOG_VHOST_RPC, "spdk_json_decode_object failed\n"); 204 rc = -EINVAL; 205 goto invalid; 206 } 207 208 spdk_vhost_lock(); 209 vdev = spdk_vhost_dev_find(req.ctrlr); 210 if (vdev == NULL) { 211 spdk_vhost_unlock(); 212 rc = -ENODEV; 213 goto invalid; 214 } 215 216 rc = spdk_vhost_scsi_dev_remove_tgt(vdev, req.scsi_target_num, 217 spdk_rpc_remove_vhost_scsi_target_finish_cb, 218 request); 219 spdk_vhost_unlock(); 220 if (rc < 0) { 221 goto invalid; 222 } 223 224 free_rpc_remove_vhost_scsi_ctrlr_target(&req); 225 return; 226 227 invalid: 228 free_rpc_remove_vhost_scsi_ctrlr_target(&req); 229 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 230 spdk_strerror(-rc)); 231 } 232 233 SPDK_RPC_REGISTER("remove_vhost_scsi_target", spdk_rpc_remove_vhost_scsi_target, SPDK_RPC_RUNTIME) 234 235 struct rpc_vhost_blk_ctrlr { 236 char *ctrlr; 237 char *dev_name; 238 char *cpumask; 239 bool readonly; 240 }; 241 242 static const struct spdk_json_object_decoder rpc_construct_vhost_blk_ctrlr[] = { 243 {"ctrlr", offsetof(struct rpc_vhost_blk_ctrlr, ctrlr), spdk_json_decode_string }, 244 {"dev_name", offsetof(struct rpc_vhost_blk_ctrlr, dev_name), spdk_json_decode_string }, 245 {"cpumask", offsetof(struct rpc_vhost_blk_ctrlr, cpumask), spdk_json_decode_string, true}, 246 {"readonly", offsetof(struct rpc_vhost_blk_ctrlr, readonly), spdk_json_decode_bool, true}, 247 }; 248 249 static void 250 free_rpc_vhost_blk_ctrlr(struct rpc_vhost_blk_ctrlr *req) 251 { 252 free(req->ctrlr); 253 free(req->dev_name); 254 free(req->cpumask); 255 } 256 257 static void 258 spdk_rpc_construct_vhost_blk_controller(struct spdk_jsonrpc_request *request, 259 const struct spdk_json_val *params) 260 { 261 struct rpc_vhost_blk_ctrlr req = {0}; 262 struct spdk_json_write_ctx *w; 263 int rc; 264 265 if (spdk_json_decode_object(params, rpc_construct_vhost_blk_ctrlr, 266 SPDK_COUNTOF(rpc_construct_vhost_blk_ctrlr), 267 &req)) { 268 SPDK_DEBUGLOG(SPDK_LOG_VHOST_RPC, "spdk_json_decode_object failed\n"); 269 rc = -EINVAL; 270 goto invalid; 271 } 272 273 rc = spdk_vhost_blk_construct(req.ctrlr, req.cpumask, req.dev_name, req.readonly); 274 if (rc < 0) { 275 goto invalid; 276 } 277 278 free_rpc_vhost_blk_ctrlr(&req); 279 280 w = spdk_jsonrpc_begin_result(request); 281 spdk_json_write_bool(w, true); 282 spdk_jsonrpc_end_result(request, w); 283 return; 284 285 invalid: 286 free_rpc_vhost_blk_ctrlr(&req); 287 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 288 spdk_strerror(-rc)); 289 290 } 291 SPDK_RPC_REGISTER("construct_vhost_blk_controller", spdk_rpc_construct_vhost_blk_controller, 292 SPDK_RPC_RUNTIME) 293 294 struct rpc_remove_vhost_ctrlr { 295 char *ctrlr; 296 }; 297 298 static const struct spdk_json_object_decoder rpc_remove_vhost_ctrlr[] = { 299 {"ctrlr", offsetof(struct rpc_remove_vhost_ctrlr, ctrlr), spdk_json_decode_string }, 300 }; 301 302 static void 303 free_rpc_remove_vhost_ctrlr(struct rpc_remove_vhost_ctrlr *req) 304 { 305 free(req->ctrlr); 306 } 307 308 static void 309 spdk_rpc_remove_vhost_controller(struct spdk_jsonrpc_request *request, 310 const struct spdk_json_val *params) 311 { 312 struct rpc_remove_vhost_ctrlr req = {0}; 313 struct spdk_json_write_ctx *w; 314 struct spdk_vhost_dev *vdev; 315 int rc; 316 317 if (spdk_json_decode_object(params, rpc_remove_vhost_ctrlr, 318 SPDK_COUNTOF(rpc_remove_vhost_ctrlr), &req)) { 319 SPDK_DEBUGLOG(SPDK_LOG_VHOST_RPC, "spdk_json_decode_object failed\n"); 320 rc = -EINVAL; 321 goto invalid; 322 } 323 324 spdk_vhost_lock(); 325 vdev = spdk_vhost_dev_find(req.ctrlr); 326 if (vdev == NULL) { 327 spdk_vhost_unlock(); 328 rc = -ENODEV; 329 goto invalid; 330 } 331 332 rc = spdk_vhost_dev_remove(vdev); 333 spdk_vhost_unlock(); 334 if (rc < 0) { 335 goto invalid; 336 } 337 338 free_rpc_remove_vhost_ctrlr(&req); 339 340 w = spdk_jsonrpc_begin_result(request); 341 spdk_json_write_bool(w, true); 342 spdk_jsonrpc_end_result(request, w); 343 344 return; 345 346 invalid: 347 free_rpc_remove_vhost_ctrlr(&req); 348 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 349 spdk_strerror(-rc)); 350 351 } 352 SPDK_RPC_REGISTER("remove_vhost_controller", spdk_rpc_remove_vhost_controller, SPDK_RPC_RUNTIME) 353 354 struct rpc_get_vhost_ctrlrs { 355 char *name; 356 }; 357 358 static void 359 _spdk_rpc_get_vhost_controller(struct spdk_json_write_ctx *w, struct spdk_vhost_dev *vdev) 360 { 361 uint32_t delay_base_us, iops_threshold; 362 363 spdk_vhost_get_coalescing(vdev, &delay_base_us, &iops_threshold); 364 365 spdk_json_write_object_begin(w); 366 367 spdk_json_write_named_string(w, "ctrlr", spdk_vhost_dev_get_name(vdev)); 368 spdk_json_write_named_string_fmt(w, "cpumask", "0x%s", spdk_cpuset_fmt(vdev->cpumask)); 369 spdk_json_write_named_uint32(w, "delay_base_us", delay_base_us); 370 spdk_json_write_named_uint32(w, "iops_threshold", iops_threshold); 371 spdk_json_write_named_string(w, "socket", vdev->path); 372 373 spdk_json_write_named_object_begin(w, "backend_specific"); 374 spdk_vhost_dump_info_json(vdev, w); 375 spdk_json_write_object_end(w); 376 377 spdk_json_write_object_end(w); 378 } 379 380 static const struct spdk_json_object_decoder rpc_get_vhost_ctrlrs_decoders[] = { 381 {"name", offsetof(struct rpc_get_vhost_ctrlrs, name), spdk_json_decode_string, true}, 382 }; 383 384 static void 385 free_rpc_get_vhost_ctrlrs(struct rpc_get_vhost_ctrlrs *req) 386 { 387 free(req->name); 388 } 389 390 static void 391 spdk_rpc_get_vhost_controllers(struct spdk_jsonrpc_request *request, 392 const struct spdk_json_val *params) 393 { 394 struct rpc_get_vhost_ctrlrs req = {0}; 395 struct spdk_json_write_ctx *w; 396 struct spdk_vhost_dev *vdev; 397 int rc; 398 399 if (params && spdk_json_decode_object(params, rpc_get_vhost_ctrlrs_decoders, 400 SPDK_COUNTOF(rpc_get_vhost_ctrlrs_decoders), &req)) { 401 SPDK_ERRLOG("spdk_json_decode_object failed\n"); 402 rc = -EINVAL; 403 goto invalid; 404 } 405 406 spdk_vhost_lock(); 407 if (req.name != NULL) { 408 vdev = spdk_vhost_dev_find(req.name); 409 if (vdev == NULL) { 410 spdk_vhost_unlock(); 411 rc = -ENODEV; 412 goto invalid; 413 } 414 415 free_rpc_get_vhost_ctrlrs(&req); 416 417 w = spdk_jsonrpc_begin_result(request); 418 spdk_json_write_array_begin(w); 419 420 _spdk_rpc_get_vhost_controller(w, vdev); 421 spdk_vhost_unlock(); 422 423 spdk_json_write_array_end(w); 424 spdk_jsonrpc_end_result(request, w); 425 return; 426 } 427 428 free_rpc_get_vhost_ctrlrs(&req); 429 430 w = spdk_jsonrpc_begin_result(request); 431 spdk_json_write_array_begin(w); 432 433 vdev = spdk_vhost_dev_next(NULL); 434 while (vdev != NULL) { 435 _spdk_rpc_get_vhost_controller(w, vdev); 436 vdev = spdk_vhost_dev_next(vdev); 437 } 438 spdk_vhost_unlock(); 439 440 spdk_json_write_array_end(w); 441 spdk_jsonrpc_end_result(request, w); 442 return; 443 444 invalid: 445 free_rpc_get_vhost_ctrlrs(&req); 446 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, 447 spdk_strerror(-rc)); 448 } 449 SPDK_RPC_REGISTER("get_vhost_controllers", spdk_rpc_get_vhost_controllers, SPDK_RPC_RUNTIME) 450 451 452 struct rpc_vhost_ctrlr_coalescing { 453 char *ctrlr; 454 uint32_t delay_base_us; 455 uint32_t iops_threshold; 456 }; 457 458 static const struct spdk_json_object_decoder rpc_set_vhost_ctrlr_coalescing[] = { 459 {"ctrlr", offsetof(struct rpc_vhost_ctrlr_coalescing, ctrlr), spdk_json_decode_string }, 460 {"delay_base_us", offsetof(struct rpc_vhost_ctrlr_coalescing, delay_base_us), spdk_json_decode_uint32}, 461 {"iops_threshold", offsetof(struct rpc_vhost_ctrlr_coalescing, iops_threshold), spdk_json_decode_uint32}, 462 }; 463 464 static void 465 free_rpc_set_vhost_controllers_event_coalescing(struct rpc_vhost_ctrlr_coalescing *req) 466 { 467 free(req->ctrlr); 468 } 469 470 static void 471 spdk_rpc_set_vhost_controller_coalescing(struct spdk_jsonrpc_request *request, 472 const struct spdk_json_val *params) 473 { 474 struct rpc_vhost_ctrlr_coalescing req = {0}; 475 struct spdk_json_write_ctx *w; 476 struct spdk_vhost_dev *vdev; 477 int rc; 478 479 if (spdk_json_decode_object(params, rpc_set_vhost_ctrlr_coalescing, 480 SPDK_COUNTOF(rpc_set_vhost_ctrlr_coalescing), &req)) { 481 SPDK_DEBUGLOG(SPDK_LOG_VHOST_RPC, "spdk_json_decode_object failed\n"); 482 rc = -EINVAL; 483 goto invalid; 484 } 485 486 spdk_vhost_lock(); 487 vdev = spdk_vhost_dev_find(req.ctrlr); 488 if (vdev == NULL) { 489 spdk_vhost_unlock(); 490 rc = -ENODEV; 491 goto invalid; 492 } 493 494 rc = spdk_vhost_set_coalescing(vdev, req.delay_base_us, req.iops_threshold); 495 spdk_vhost_unlock(); 496 if (rc) { 497 goto invalid; 498 } 499 500 free_rpc_set_vhost_controllers_event_coalescing(&req); 501 502 w = spdk_jsonrpc_begin_result(request); 503 spdk_json_write_bool(w, true); 504 spdk_jsonrpc_end_result(request, w); 505 506 return; 507 508 invalid: 509 free_rpc_set_vhost_controllers_event_coalescing(&req); 510 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 511 spdk_strerror(-rc)); 512 } 513 SPDK_RPC_REGISTER("set_vhost_controller_coalescing", spdk_rpc_set_vhost_controller_coalescing, 514 SPDK_RPC_RUNTIME) 515 516 #ifdef SPDK_CONFIG_VHOST_INTERNAL_LIB 517 518 struct rpc_vhost_nvme_ctrlr { 519 char *ctrlr; 520 uint32_t io_queues; 521 char *cpumask; 522 }; 523 524 static const struct spdk_json_object_decoder rpc_construct_vhost_nvme_ctrlr[] = { 525 {"ctrlr", offsetof(struct rpc_vhost_nvme_ctrlr, ctrlr), spdk_json_decode_string }, 526 {"io_queues", offsetof(struct rpc_vhost_nvme_ctrlr, io_queues), spdk_json_decode_uint32}, 527 {"cpumask", offsetof(struct rpc_vhost_nvme_ctrlr, cpumask), spdk_json_decode_string, true}, 528 }; 529 530 static void 531 free_rpc_vhost_nvme_ctrlr(struct rpc_vhost_nvme_ctrlr *req) 532 { 533 free(req->ctrlr); 534 free(req->cpumask); 535 } 536 537 static void 538 spdk_rpc_construct_vhost_nvme_controller(struct spdk_jsonrpc_request *request, 539 const struct spdk_json_val *params) 540 { 541 struct rpc_vhost_nvme_ctrlr req = {}; 542 struct spdk_json_write_ctx *w; 543 int rc; 544 545 if (spdk_json_decode_object(params, rpc_construct_vhost_nvme_ctrlr, 546 SPDK_COUNTOF(rpc_construct_vhost_nvme_ctrlr), 547 &req)) { 548 rc = -EINVAL; 549 goto invalid; 550 } 551 552 rc = spdk_vhost_nvme_dev_construct(req.ctrlr, req.cpumask, req.io_queues); 553 if (rc < 0) { 554 goto invalid; 555 } 556 557 free_rpc_vhost_nvme_ctrlr(&req); 558 559 w = spdk_jsonrpc_begin_result(request); 560 spdk_json_write_bool(w, true); 561 spdk_jsonrpc_end_result(request, w); 562 return; 563 564 invalid: 565 free_rpc_vhost_nvme_ctrlr(&req); 566 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 567 spdk_strerror(-rc)); 568 569 } 570 SPDK_RPC_REGISTER("construct_vhost_nvme_controller", spdk_rpc_construct_vhost_nvme_controller, 571 SPDK_RPC_RUNTIME) 572 573 struct rpc_add_vhost_nvme_ctrlr_ns { 574 char *ctrlr; 575 char *bdev_name; 576 }; 577 578 static void 579 free_rpc_add_vhost_nvme_ctrlr_ns(struct rpc_add_vhost_nvme_ctrlr_ns *req) 580 { 581 free(req->ctrlr); 582 free(req->bdev_name); 583 } 584 585 static const struct spdk_json_object_decoder rpc_vhost_nvme_add_ns[] = { 586 {"ctrlr", offsetof(struct rpc_add_vhost_nvme_ctrlr_ns, ctrlr), spdk_json_decode_string }, 587 {"bdev_name", offsetof(struct rpc_add_vhost_nvme_ctrlr_ns, bdev_name), spdk_json_decode_string }, 588 }; 589 590 static void 591 spdk_rpc_add_vhost_nvme_ns(struct spdk_jsonrpc_request *request, 592 const struct spdk_json_val *params) 593 { 594 struct rpc_add_vhost_nvme_ctrlr_ns req = {0}; 595 struct spdk_json_write_ctx *w; 596 struct spdk_vhost_dev *vdev; 597 int rc; 598 599 if (spdk_json_decode_object(params, rpc_vhost_nvme_add_ns, 600 SPDK_COUNTOF(rpc_vhost_nvme_add_ns), 601 &req)) { 602 SPDK_DEBUGLOG(SPDK_LOG_VHOST_RPC, "spdk_json_decode_object failed\n"); 603 rc = -EINVAL; 604 goto invalid; 605 } 606 607 spdk_vhost_lock(); 608 vdev = spdk_vhost_dev_find(req.ctrlr); 609 if (vdev == NULL) { 610 spdk_vhost_unlock(); 611 rc = -ENODEV; 612 goto invalid; 613 } 614 615 rc = spdk_vhost_nvme_dev_add_ns(vdev, req.bdev_name); 616 spdk_vhost_unlock(); 617 if (rc < 0) { 618 goto invalid; 619 } 620 free_rpc_add_vhost_nvme_ctrlr_ns(&req); 621 622 w = spdk_jsonrpc_begin_result(request); 623 spdk_json_write_bool(w, true); 624 spdk_jsonrpc_end_result(request, w); 625 return; 626 627 invalid: 628 free_rpc_add_vhost_nvme_ctrlr_ns(&req); 629 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 630 spdk_strerror(-rc)); 631 } 632 SPDK_RPC_REGISTER("add_vhost_nvme_ns", spdk_rpc_add_vhost_nvme_ns, SPDK_RPC_RUNTIME) 633 634 #endif /* SPDK_CONFIG_VHOST_INTERNAL_LIB */ 635 636 SPDK_LOG_REGISTER_COMPONENT("vhost_rpc", SPDK_LOG_VHOST_RPC) 637