1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright (C) 2016 Intel Corporation. All rights reserved. 3 * Copyright (c) 2019 Mellanox Technologies LTD. All rights reserved. 4 * Copyright (c) 2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved. 5 */ 6 7 #include "spdk/stdinc.h" 8 #include "spdk/version.h" 9 10 #include "spdk_internal/event.h" 11 12 #include "spdk/assert.h" 13 #include "spdk/env.h" 14 #include "spdk/init.h" 15 #include "spdk/log.h" 16 #include "spdk/thread.h" 17 #include "spdk/trace.h" 18 #include "spdk/string.h" 19 #include "spdk/scheduler.h" 20 #include "spdk/rpc.h" 21 #include "spdk/util.h" 22 23 #define SPDK_APP_DEFAULT_LOG_LEVEL SPDK_LOG_NOTICE 24 #define SPDK_APP_DEFAULT_LOG_PRINT_LEVEL SPDK_LOG_INFO 25 #define SPDK_APP_DEFAULT_NUM_TRACE_ENTRIES SPDK_DEFAULT_NUM_TRACE_ENTRIES 26 27 #define SPDK_APP_DPDK_DEFAULT_MEM_SIZE -1 28 #define SPDK_APP_DPDK_DEFAULT_MAIN_CORE -1 29 #define SPDK_APP_DPDK_DEFAULT_MEM_CHANNEL -1 30 #define SPDK_APP_DPDK_DEFAULT_CORE_MASK "0x1" 31 #define SPDK_APP_DPDK_DEFAULT_BASE_VIRTADDR 0x200000000000 32 #define SPDK_APP_DEFAULT_CORE_LIMIT 0x140000000 /* 5 GiB */ 33 34 #define MAX_CPU_CORES 128 35 36 struct spdk_app { 37 const char *json_config_file; 38 bool json_config_ignore_errors; 39 bool stopped; 40 const char *rpc_addr; 41 const char **rpc_allowlist; 42 int shm_id; 43 spdk_app_shutdown_cb shutdown_cb; 44 int rc; 45 }; 46 47 static struct spdk_app g_spdk_app; 48 static spdk_msg_fn g_start_fn = NULL; 49 static void *g_start_arg = NULL; 50 static struct spdk_thread *g_app_thread = NULL; 51 static bool g_delay_subsystem_init = false; 52 static bool g_shutdown_sig_received = false; 53 static char *g_executable_name; 54 static struct spdk_app_opts g_default_opts; 55 static bool g_disable_cpumask_locks = false; 56 57 static int g_core_locks[MAX_CPU_CORES]; 58 59 int 60 spdk_app_get_shm_id(void) 61 { 62 return g_spdk_app.shm_id; 63 } 64 65 /* append one empty option to indicate the end of the array */ 66 static const struct option g_cmdline_options[] = { 67 #define CONFIG_FILE_OPT_IDX 'c' 68 {"config", required_argument, NULL, CONFIG_FILE_OPT_IDX}, 69 #define LIMIT_COREDUMP_OPT_IDX 'd' 70 {"limit-coredump", no_argument, NULL, LIMIT_COREDUMP_OPT_IDX}, 71 #define TPOINT_GROUP_OPT_IDX 'e' 72 {"tpoint-group", required_argument, NULL, TPOINT_GROUP_OPT_IDX}, 73 #define SINGLE_FILE_SEGMENTS_OPT_IDX 'g' 74 {"single-file-segments", no_argument, NULL, SINGLE_FILE_SEGMENTS_OPT_IDX}, 75 #define HELP_OPT_IDX 'h' 76 {"help", no_argument, NULL, HELP_OPT_IDX}, 77 #define SHM_ID_OPT_IDX 'i' 78 {"shm-id", required_argument, NULL, SHM_ID_OPT_IDX}, 79 #define CPUMASK_OPT_IDX 'm' 80 {"cpumask", required_argument, NULL, CPUMASK_OPT_IDX}, 81 #define MEM_CHANNELS_OPT_IDX 'n' 82 {"mem-channels", required_argument, NULL, MEM_CHANNELS_OPT_IDX}, 83 #define MAIN_CORE_OPT_IDX 'p' 84 {"main-core", required_argument, NULL, MAIN_CORE_OPT_IDX}, 85 {"master-core", required_argument, NULL, MAIN_CORE_OPT_IDX}, /* deprecated */ 86 #define RPC_SOCKET_OPT_IDX 'r' 87 {"rpc-socket", required_argument, NULL, RPC_SOCKET_OPT_IDX}, 88 #define MEM_SIZE_OPT_IDX 's' 89 {"mem-size", required_argument, NULL, MEM_SIZE_OPT_IDX}, 90 #define NO_PCI_OPT_IDX 'u' 91 {"no-pci", no_argument, NULL, NO_PCI_OPT_IDX}, 92 #define VERSION_OPT_IDX 'v' 93 {"version", no_argument, NULL, VERSION_OPT_IDX}, 94 #define PCI_BLOCKED_OPT_IDX 'B' 95 {"pci-blocked", required_argument, NULL, PCI_BLOCKED_OPT_IDX}, 96 {"pci-blacklist", required_argument, NULL, PCI_BLOCKED_OPT_IDX}, /* deprecated */ 97 #define LOGFLAG_OPT_IDX 'L' 98 {"logflag", required_argument, NULL, LOGFLAG_OPT_IDX}, 99 #define HUGE_UNLINK_OPT_IDX 'R' 100 {"huge-unlink", no_argument, NULL, HUGE_UNLINK_OPT_IDX}, 101 #define PCI_ALLOWED_OPT_IDX 'A' 102 {"pci-allowed", required_argument, NULL, PCI_ALLOWED_OPT_IDX}, 103 #define PCI_WHITELIST_OPT_IDX 'W' 104 {"pci-whitelist", required_argument, NULL, PCI_WHITELIST_OPT_IDX}, /* deprecated */ 105 #define SILENCE_NOTICELOG_OPT_IDX 257 106 {"silence-noticelog", no_argument, NULL, SILENCE_NOTICELOG_OPT_IDX}, 107 #define WAIT_FOR_RPC_OPT_IDX 258 108 {"wait-for-rpc", no_argument, NULL, WAIT_FOR_RPC_OPT_IDX}, 109 #define HUGE_DIR_OPT_IDX 259 110 {"huge-dir", required_argument, NULL, HUGE_DIR_OPT_IDX}, 111 #define NUM_TRACE_ENTRIES_OPT_IDX 260 112 {"num-trace-entries", required_argument, NULL, NUM_TRACE_ENTRIES_OPT_IDX}, 113 #define MAX_REACTOR_DELAY_OPT_IDX 261 114 {"max-delay", required_argument, NULL, MAX_REACTOR_DELAY_OPT_IDX}, 115 #define JSON_CONFIG_OPT_IDX 262 116 {"json", required_argument, NULL, JSON_CONFIG_OPT_IDX}, 117 #define JSON_CONFIG_IGNORE_INIT_ERRORS_IDX 263 118 {"json-ignore-init-errors", no_argument, NULL, JSON_CONFIG_IGNORE_INIT_ERRORS_IDX}, 119 #define IOVA_MODE_OPT_IDX 264 120 {"iova-mode", required_argument, NULL, IOVA_MODE_OPT_IDX}, 121 #define BASE_VIRTADDR_OPT_IDX 265 122 {"base-virtaddr", required_argument, NULL, BASE_VIRTADDR_OPT_IDX}, 123 #define ENV_CONTEXT_OPT_IDX 266 124 {"env-context", required_argument, NULL, ENV_CONTEXT_OPT_IDX}, 125 #define DISABLE_CPUMASK_LOCKS_OPT_IDX 267 126 {"disable-cpumask-locks", no_argument, NULL, DISABLE_CPUMASK_LOCKS_OPT_IDX}, 127 #define RPCS_ALLOWED_OPT_IDX 268 128 {"rpcs-allowed", required_argument, NULL, RPCS_ALLOWED_OPT_IDX} 129 }; 130 131 static void 132 app_start_shutdown(void *ctx) 133 { 134 if (g_spdk_app.shutdown_cb) { 135 g_spdk_app.shutdown_cb(); 136 g_spdk_app.shutdown_cb = NULL; 137 } else { 138 spdk_app_stop(0); 139 } 140 } 141 142 void 143 spdk_app_start_shutdown(void) 144 { 145 spdk_thread_send_critical_msg(g_app_thread, app_start_shutdown); 146 } 147 148 static void 149 __shutdown_signal(int signo) 150 { 151 if (!g_shutdown_sig_received) { 152 g_shutdown_sig_received = true; 153 spdk_app_start_shutdown(); 154 } 155 } 156 157 static int 158 app_opts_validate(const char *app_opts) 159 { 160 int i = 0, j; 161 162 for (i = 0; app_opts[i] != '\0'; i++) { 163 /* ignore getopt control characters */ 164 if (app_opts[i] == ':' || app_opts[i] == '+' || app_opts[i] == '-') { 165 continue; 166 } 167 168 for (j = 0; SPDK_APP_GETOPT_STRING[j] != '\0'; j++) { 169 if (app_opts[i] == SPDK_APP_GETOPT_STRING[j]) { 170 return app_opts[i]; 171 } 172 } 173 } 174 return 0; 175 } 176 177 void 178 spdk_app_opts_init(struct spdk_app_opts *opts, size_t opts_size) 179 { 180 if (!opts) { 181 SPDK_ERRLOG("opts should not be NULL\n"); 182 return; 183 } 184 185 if (!opts_size) { 186 SPDK_ERRLOG("opts_size should not be zero value\n"); 187 return; 188 } 189 190 memset(opts, 0, opts_size); 191 opts->opts_size = opts_size; 192 193 #define SET_FIELD(field, value) \ 194 if (offsetof(struct spdk_app_opts, field) + sizeof(opts->field) <= opts_size) { \ 195 opts->field = value; \ 196 } \ 197 198 SET_FIELD(enable_coredump, true); 199 SET_FIELD(shm_id, -1); 200 SET_FIELD(mem_size, SPDK_APP_DPDK_DEFAULT_MEM_SIZE); 201 SET_FIELD(main_core, SPDK_APP_DPDK_DEFAULT_MAIN_CORE); 202 SET_FIELD(mem_channel, SPDK_APP_DPDK_DEFAULT_MEM_CHANNEL); 203 SET_FIELD(reactor_mask, SPDK_APP_DPDK_DEFAULT_CORE_MASK); 204 SET_FIELD(base_virtaddr, SPDK_APP_DPDK_DEFAULT_BASE_VIRTADDR); 205 SET_FIELD(print_level, SPDK_APP_DEFAULT_LOG_PRINT_LEVEL); 206 SET_FIELD(rpc_addr, SPDK_DEFAULT_RPC_ADDR); 207 SET_FIELD(num_entries, SPDK_APP_DEFAULT_NUM_TRACE_ENTRIES); 208 SET_FIELD(delay_subsystem_init, false); 209 SET_FIELD(disable_signal_handlers, false); 210 SET_FIELD(msg_mempool_size, SPDK_DEFAULT_MSG_MEMPOOL_SIZE); 211 SET_FIELD(rpc_allowlist, NULL); 212 #undef SET_FIELD 213 } 214 215 static int 216 app_setup_signal_handlers(struct spdk_app_opts *opts) 217 { 218 struct sigaction sigact; 219 sigset_t sigmask; 220 int rc; 221 222 sigemptyset(&sigmask); 223 memset(&sigact, 0, sizeof(sigact)); 224 sigemptyset(&sigact.sa_mask); 225 226 sigact.sa_handler = SIG_IGN; 227 rc = sigaction(SIGPIPE, &sigact, NULL); 228 if (rc < 0) { 229 SPDK_ERRLOG("sigaction(SIGPIPE) failed\n"); 230 return rc; 231 } 232 233 /* Install the same handler for SIGINT and SIGTERM */ 234 g_shutdown_sig_received = false; 235 sigact.sa_handler = __shutdown_signal; 236 rc = sigaction(SIGINT, &sigact, NULL); 237 if (rc < 0) { 238 SPDK_ERRLOG("sigaction(SIGINT) failed\n"); 239 return rc; 240 } 241 sigaddset(&sigmask, SIGINT); 242 243 rc = sigaction(SIGTERM, &sigact, NULL); 244 if (rc < 0) { 245 SPDK_ERRLOG("sigaction(SIGTERM) failed\n"); 246 return rc; 247 } 248 sigaddset(&sigmask, SIGTERM); 249 250 pthread_sigmask(SIG_UNBLOCK, &sigmask, NULL); 251 252 return 0; 253 } 254 255 static void 256 app_start_application(void) 257 { 258 assert(spdk_get_thread() == g_app_thread); 259 260 g_start_fn(g_start_arg); 261 } 262 263 static void 264 app_start_rpc(int rc, void *arg1) 265 { 266 if (rc) { 267 spdk_app_stop(rc); 268 return; 269 } 270 271 spdk_rpc_set_allowlist(g_spdk_app.rpc_allowlist); 272 273 rc = spdk_rpc_initialize(g_spdk_app.rpc_addr); 274 if (rc) { 275 spdk_app_stop(rc); 276 return; 277 } 278 279 if (!g_delay_subsystem_init) { 280 spdk_rpc_set_state(SPDK_RPC_RUNTIME); 281 app_start_application(); 282 } 283 } 284 285 static int 286 app_opts_add_pci_addr(struct spdk_app_opts *opts, struct spdk_pci_addr **list, char *bdf) 287 { 288 struct spdk_pci_addr *tmp = *list; 289 size_t i = opts->num_pci_addr; 290 291 tmp = realloc(tmp, sizeof(*tmp) * (i + 1)); 292 if (tmp == NULL) { 293 SPDK_ERRLOG("realloc error\n"); 294 return -ENOMEM; 295 } 296 297 *list = tmp; 298 if (spdk_pci_addr_parse(*list + i, bdf) < 0) { 299 SPDK_ERRLOG("Invalid address %s\n", bdf); 300 return -EINVAL; 301 } 302 303 opts->num_pci_addr++; 304 return 0; 305 } 306 307 static int 308 app_setup_env(struct spdk_app_opts *opts) 309 { 310 struct spdk_env_opts env_opts = {}; 311 int rc; 312 313 if (opts == NULL) { 314 rc = spdk_env_init(NULL); 315 if (rc != 0) { 316 SPDK_ERRLOG("Unable to reinitialize SPDK env\n"); 317 } 318 319 return rc; 320 } 321 322 spdk_env_opts_init(&env_opts); 323 324 env_opts.name = opts->name; 325 env_opts.core_mask = opts->reactor_mask; 326 env_opts.shm_id = opts->shm_id; 327 env_opts.mem_channel = opts->mem_channel; 328 env_opts.main_core = opts->main_core; 329 env_opts.mem_size = opts->mem_size; 330 env_opts.hugepage_single_segments = opts->hugepage_single_segments; 331 env_opts.unlink_hugepage = opts->unlink_hugepage; 332 env_opts.hugedir = opts->hugedir; 333 env_opts.no_pci = opts->no_pci; 334 env_opts.num_pci_addr = opts->num_pci_addr; 335 env_opts.pci_blocked = opts->pci_blocked; 336 env_opts.pci_allowed = opts->pci_allowed; 337 env_opts.base_virtaddr = opts->base_virtaddr; 338 env_opts.env_context = opts->env_context; 339 env_opts.iova_mode = opts->iova_mode; 340 341 rc = spdk_env_init(&env_opts); 342 free(env_opts.pci_blocked); 343 free(env_opts.pci_allowed); 344 345 if (rc < 0) { 346 SPDK_ERRLOG("Unable to initialize SPDK env\n"); 347 } 348 349 return rc; 350 } 351 352 static int 353 app_setup_trace(struct spdk_app_opts *opts) 354 { 355 char shm_name[64]; 356 uint64_t tpoint_group_mask, tpoint_mask = -1ULL; 357 char *end = NULL, *tpoint_group_mask_str, *tpoint_group_str = NULL; 358 char *tp_g_str, *tpoint_group, *tpoints; 359 bool error_found = false; 360 uint64_t group_id; 361 362 if (opts->shm_id >= 0) { 363 snprintf(shm_name, sizeof(shm_name), "/%s_trace.%d", opts->name, opts->shm_id); 364 } else { 365 snprintf(shm_name, sizeof(shm_name), "/%s_trace.pid%d", opts->name, (int)getpid()); 366 } 367 368 if (spdk_trace_init(shm_name, opts->num_entries) != 0) { 369 return -1; 370 } 371 372 if (opts->tpoint_group_mask == NULL) { 373 return 0; 374 } 375 376 tpoint_group_mask_str = strdup(opts->tpoint_group_mask); 377 if (tpoint_group_mask_str == NULL) { 378 SPDK_ERRLOG("Unable to get string of tpoint group mask from opts.\n"); 379 return -1; 380 } 381 /* Save a pointer to the original value of the tpoint group mask string 382 * to free later, because spdk_strsepq() modifies given char*. */ 383 tp_g_str = tpoint_group_mask_str; 384 while ((tpoint_group_str = spdk_strsepq(&tpoint_group_mask_str, ",")) != NULL) { 385 if (strchr(tpoint_group_str, ':')) { 386 /* Get the tpoint group mask */ 387 tpoint_group = spdk_strsepq(&tpoint_group_str, ":"); 388 /* Get the tpoint mask inside that group */ 389 tpoints = spdk_strsepq(&tpoint_group_str, ":"); 390 391 errno = 0; 392 tpoint_group_mask = strtoull(tpoint_group, &end, 16); 393 if (*end != '\0' || errno) { 394 tpoint_group_mask = spdk_trace_create_tpoint_group_mask(tpoint_group); 395 if (tpoint_group_mask == 0) { 396 error_found = true; 397 break; 398 } 399 } 400 /* Check if tpoint group mask has only one bit set. 401 * This is to avoid enabling individual tpoints in 402 * more than one tracepoint group at once. */ 403 if (!spdk_u64_is_pow2(tpoint_group_mask)) { 404 SPDK_ERRLOG("Tpoint group mask: %s contains multiple tpoint groups.\n", tpoint_group); 405 SPDK_ERRLOG("This is not supported, to prevent from activating tpoints by mistake.\n"); 406 error_found = true; 407 break; 408 } 409 410 errno = 0; 411 tpoint_mask = strtoull(tpoints, &end, 16); 412 if (*end != '\0' || errno) { 413 error_found = true; 414 break; 415 } 416 } else { 417 errno = 0; 418 tpoint_group_mask = strtoull(tpoint_group_str, &end, 16); 419 if (*end != '\0' || errno) { 420 tpoint_group_mask = spdk_trace_create_tpoint_group_mask(tpoint_group_str); 421 if (tpoint_group_mask == 0) { 422 error_found = true; 423 break; 424 } 425 } 426 tpoint_mask = -1ULL; 427 } 428 429 for (group_id = 0; group_id < SPDK_TRACE_MAX_GROUP_ID; ++group_id) { 430 if (tpoint_group_mask & (1 << group_id)) { 431 spdk_trace_set_tpoints(group_id, tpoint_mask); 432 } 433 } 434 } 435 436 if (error_found) { 437 SPDK_ERRLOG("invalid tpoint mask %s\n", opts->tpoint_group_mask); 438 return -1; 439 } else { 440 SPDK_NOTICELOG("Tracepoint Group Mask %s specified.\n", opts->tpoint_group_mask); 441 SPDK_NOTICELOG("Use 'spdk_trace -s %s %s %d' to capture a snapshot of events at runtime.\n", 442 opts->name, 443 opts->shm_id >= 0 ? "-i" : "-p", 444 opts->shm_id >= 0 ? opts->shm_id : getpid()); 445 #if defined(__linux__) 446 SPDK_NOTICELOG("Or copy /dev/shm%s for offline analysis/debug.\n", shm_name); 447 #endif 448 } 449 free(tp_g_str); 450 451 return 0; 452 } 453 454 static void 455 bootstrap_fn(void *arg1) 456 { 457 int rc; 458 459 if (g_spdk_app.json_config_file) { 460 g_delay_subsystem_init = false; 461 spdk_subsystem_init_from_json_config(g_spdk_app.json_config_file, g_spdk_app.rpc_addr, 462 app_start_rpc, 463 NULL, !g_spdk_app.json_config_ignore_errors); 464 } else { 465 if (!g_delay_subsystem_init) { 466 spdk_subsystem_init(app_start_rpc, NULL); 467 } else { 468 spdk_rpc_set_allowlist(g_spdk_app.rpc_allowlist); 469 470 rc = spdk_rpc_initialize(g_spdk_app.rpc_addr); 471 if (rc) { 472 spdk_app_stop(rc); 473 return; 474 } 475 } 476 } 477 } 478 479 static void 480 app_copy_opts(struct spdk_app_opts *opts, struct spdk_app_opts *opts_user, size_t opts_size) 481 { 482 spdk_app_opts_init(opts, sizeof(*opts)); 483 opts->opts_size = opts_size; 484 485 #define SET_FIELD(field) \ 486 if (offsetof(struct spdk_app_opts, field) + sizeof(opts->field) <= (opts->opts_size)) { \ 487 opts->field = opts_user->field; \ 488 } \ 489 490 SET_FIELD(name); 491 SET_FIELD(json_config_file); 492 SET_FIELD(json_config_ignore_errors); 493 SET_FIELD(rpc_addr); 494 SET_FIELD(reactor_mask); 495 SET_FIELD(tpoint_group_mask); 496 SET_FIELD(shm_id); 497 SET_FIELD(shutdown_cb); 498 SET_FIELD(enable_coredump); 499 SET_FIELD(mem_channel); 500 SET_FIELD(main_core); 501 SET_FIELD(mem_size); 502 SET_FIELD(no_pci); 503 SET_FIELD(hugepage_single_segments); 504 SET_FIELD(unlink_hugepage); 505 SET_FIELD(hugedir); 506 SET_FIELD(print_level); 507 SET_FIELD(num_pci_addr); 508 SET_FIELD(pci_blocked); 509 SET_FIELD(pci_allowed); 510 SET_FIELD(iova_mode); 511 SET_FIELD(delay_subsystem_init); 512 SET_FIELD(num_entries); 513 SET_FIELD(env_context); 514 SET_FIELD(log); 515 SET_FIELD(base_virtaddr); 516 SET_FIELD(disable_signal_handlers); 517 SET_FIELD(msg_mempool_size); 518 SET_FIELD(rpc_allowlist); 519 520 /* You should not remove this statement, but need to update the assert statement 521 * if you add a new field, and also add a corresponding SET_FIELD statement */ 522 SPDK_STATIC_ASSERT(sizeof(struct spdk_app_opts) == 208, "Incorrect size"); 523 524 #undef SET_FIELD 525 } 526 527 static void 528 unclaim_cpu_cores(void) 529 { 530 char core_name[40]; 531 uint32_t i; 532 533 for (i = 0; i < MAX_CPU_CORES; i++) { 534 if (g_core_locks[i] != -1) { 535 snprintf(core_name, sizeof(core_name), "/var/tmp/spdk_cpu_lock_%03d", i); 536 close(g_core_locks[i]); 537 g_core_locks[i] = -1; 538 unlink(core_name); 539 } 540 } 541 } 542 543 static int 544 claim_cpu_cores(uint32_t *failed_core) 545 { 546 char core_name[40]; 547 int core_fd, pid; 548 int *core_map; 549 uint32_t core; 550 551 struct flock core_lock = { 552 .l_type = F_WRLCK, 553 .l_whence = SEEK_SET, 554 .l_start = 0, 555 .l_len = 0, 556 }; 557 558 SPDK_ENV_FOREACH_CORE(core) { 559 if (g_core_locks[core] != -1) { 560 /* If this core is locked already, do not try lock it again. */ 561 continue; 562 } 563 564 snprintf(core_name, sizeof(core_name), "/var/tmp/spdk_cpu_lock_%03d", core); 565 core_fd = open(core_name, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR); 566 if (core_fd == -1) { 567 SPDK_ERRLOG("Could not open %s (%s).\n", core_name, spdk_strerror(errno)); 568 /* Return number of core we failed to claim. */ 569 goto error; 570 } 571 572 if (ftruncate(core_fd, sizeof(int)) != 0) { 573 SPDK_ERRLOG("Could not truncate %s (%s).\n", core_name, spdk_strerror(errno)); 574 close(core_fd); 575 goto error; 576 } 577 578 core_map = mmap(NULL, sizeof(int), PROT_READ | PROT_WRITE, MAP_SHARED, core_fd, 0); 579 if (core_map == MAP_FAILED) { 580 SPDK_ERRLOG("Could not mmap core %s (%s).\n", core_name, spdk_strerror(errno)); 581 close(core_fd); 582 goto error; 583 } 584 585 if (fcntl(core_fd, F_SETLK, &core_lock) != 0) { 586 pid = *core_map; 587 SPDK_ERRLOG("Cannot create lock on core %" PRIu32 ", probably process %d has claimed it.\n", 588 core, pid); 589 munmap(core_map, sizeof(int)); 590 close(core_fd); 591 goto error; 592 } 593 594 /* We write the PID to the core lock file so that other processes trying 595 * to claim the same core will know what process is holding the lock. */ 596 *core_map = (int)getpid(); 597 munmap(core_map, sizeof(int)); 598 g_core_locks[core] = core_fd; 599 /* Keep core_fd open to maintain the lock. */ 600 } 601 602 return 0; 603 604 error: 605 if (failed_core != NULL) { 606 /* Set number of core we failed to claim. */ 607 *failed_core = core; 608 } 609 unclaim_cpu_cores(); 610 return -1; 611 } 612 613 int 614 spdk_app_start(struct spdk_app_opts *opts_user, spdk_msg_fn start_fn, 615 void *arg1) 616 { 617 int rc; 618 char *tty; 619 struct spdk_cpuset tmp_cpumask = {}; 620 static bool g_env_was_setup = false; 621 struct spdk_app_opts opts_local = {}; 622 struct spdk_app_opts *opts = &opts_local; 623 uint32_t i; 624 625 if (!opts_user) { 626 SPDK_ERRLOG("opts_user should not be NULL\n"); 627 return 1; 628 } 629 630 if (!opts_user->opts_size) { 631 SPDK_ERRLOG("The opts_size in opts_user structure should not be zero value\n"); 632 return 1; 633 } 634 635 if (opts_user->name == NULL) { 636 SPDK_ERRLOG("spdk_app_opts::name not specified\n"); 637 return 1; 638 } 639 640 app_copy_opts(opts, opts_user, opts_user->opts_size); 641 642 if (!start_fn) { 643 SPDK_ERRLOG("start_fn should not be NULL\n"); 644 return 1; 645 } 646 647 tty = ttyname(STDERR_FILENO); 648 if (opts->print_level > SPDK_LOG_WARN && 649 isatty(STDERR_FILENO) && 650 tty && 651 !strncmp(tty, "/dev/tty", strlen("/dev/tty"))) { 652 printf("Warning: printing stderr to console terminal without -q option specified.\n"); 653 printf("Suggest using --silence-noticelog to disable logging to stderr and\n"); 654 printf("monitor syslog, or redirect stderr to a file.\n"); 655 printf("(Delaying for 10 seconds...)\n"); 656 sleep(10); 657 } 658 659 spdk_log_set_print_level(opts->print_level); 660 661 #ifndef SPDK_NO_RLIMIT 662 if (opts->enable_coredump) { 663 struct rlimit core_limits; 664 665 core_limits.rlim_cur = core_limits.rlim_max = SPDK_APP_DEFAULT_CORE_LIMIT; 666 setrlimit(RLIMIT_CORE, &core_limits); 667 } 668 #endif 669 670 memset(&g_spdk_app, 0, sizeof(g_spdk_app)); 671 g_spdk_app.json_config_file = opts->json_config_file; 672 g_spdk_app.json_config_ignore_errors = opts->json_config_ignore_errors; 673 g_spdk_app.rpc_addr = opts->rpc_addr; 674 g_spdk_app.rpc_allowlist = opts->rpc_allowlist; 675 g_spdk_app.shm_id = opts->shm_id; 676 g_spdk_app.shutdown_cb = opts->shutdown_cb; 677 g_spdk_app.rc = 0; 678 g_spdk_app.stopped = false; 679 680 spdk_log_set_level(SPDK_APP_DEFAULT_LOG_LEVEL); 681 682 /* Pass NULL to app_setup_env if SPDK app has been set up, in order to 683 * indicate that this is a reinitialization. 684 */ 685 if (app_setup_env(g_env_was_setup ? NULL : opts) < 0) { 686 return 1; 687 } 688 689 spdk_log_open(opts->log); 690 691 /* Initialize each lock to -1 to indicate "empty" status */ 692 for (i = 0; i < MAX_CPU_CORES; i++) { 693 g_core_locks[i] = -1; 694 } 695 696 if (!g_disable_cpumask_locks) { 697 if (claim_cpu_cores(NULL)) { 698 SPDK_ERRLOG("Unable to acquire lock on assigned core mask - exiting.\n"); 699 return 1; 700 } 701 } else { 702 SPDK_NOTICELOG("CPU core locks deactivated.\n"); 703 } 704 705 SPDK_NOTICELOG("Total cores available: %d\n", spdk_env_get_core_count()); 706 707 if ((rc = spdk_reactors_init(opts->msg_mempool_size)) != 0) { 708 SPDK_ERRLOG("Reactor Initialization failed: rc = %d\n", rc); 709 return 1; 710 } 711 712 spdk_cpuset_set_cpu(&tmp_cpumask, spdk_env_get_current_core(), true); 713 714 /* Now that the reactors have been initialized, we can create an 715 * initialization thread. */ 716 g_app_thread = spdk_thread_create("app_thread", &tmp_cpumask); 717 if (!g_app_thread) { 718 SPDK_ERRLOG("Unable to create an spdk_thread for initialization\n"); 719 return 1; 720 } 721 722 /* 723 * Disable and ignore trace setup if setting num_entries 724 * to be 0. 725 * 726 * Note the call to app_setup_trace() is located here 727 * ahead of app_setup_signal_handlers(). 728 * That's because there is not an easy/direct clean 729 * way of unwinding alloc'd resources that can occur 730 * in app_setup_signal_handlers(). 731 */ 732 if (opts->num_entries != 0 && app_setup_trace(opts) != 0) { 733 return 1; 734 } 735 736 if (!opts->disable_signal_handlers && app_setup_signal_handlers(opts) != 0) { 737 return 1; 738 } 739 740 g_delay_subsystem_init = opts->delay_subsystem_init; 741 g_start_fn = start_fn; 742 g_start_arg = arg1; 743 744 spdk_thread_send_msg(g_app_thread, bootstrap_fn, NULL); 745 746 /* This blocks until spdk_app_stop is called */ 747 spdk_reactors_start(); 748 749 g_env_was_setup = true; 750 751 return g_spdk_app.rc; 752 } 753 754 void 755 spdk_app_fini(void) 756 { 757 spdk_trace_cleanup(); 758 spdk_reactors_fini(); 759 spdk_env_fini(); 760 spdk_log_close(); 761 unclaim_cpu_cores(); 762 } 763 764 static void 765 _start_subsystem_fini(void *arg1) 766 { 767 if (g_scheduling_in_progress) { 768 spdk_thread_send_msg(g_app_thread, _start_subsystem_fini, NULL); 769 return; 770 } 771 772 spdk_subsystem_fini(spdk_reactors_stop, NULL); 773 } 774 775 static void 776 app_stop(void *arg1) 777 { 778 if (g_spdk_app.rc == 0) { 779 g_spdk_app.rc = (int)(intptr_t)arg1; 780 } 781 782 if (g_spdk_app.stopped) { 783 SPDK_NOTICELOG("spdk_app_stop called twice\n"); 784 return; 785 } 786 787 spdk_rpc_finish(); 788 g_spdk_app.stopped = true; 789 _start_subsystem_fini(NULL); 790 } 791 792 void 793 spdk_app_stop(int rc) 794 { 795 if (rc) { 796 SPDK_WARNLOG("spdk_app_stop'd on non-zero\n"); 797 } 798 799 /* 800 * We want to run spdk_subsystem_fini() from the same thread where spdk_subsystem_init() 801 * was called. 802 */ 803 spdk_thread_send_msg(g_app_thread, app_stop, (void *)(intptr_t)rc); 804 } 805 806 struct spdk_thread * 807 _spdk_get_app_thread(void) 808 { 809 return g_app_thread; 810 } 811 812 static void 813 usage(void (*app_usage)(void)) 814 { 815 printf("%s [options]\n", g_executable_name); 816 printf("options:\n"); 817 printf(" -c, --config <config> JSON config file (default %s)\n", 818 g_default_opts.json_config_file != NULL ? g_default_opts.json_config_file : "none"); 819 printf(" --json <config> JSON config file (default %s)\n", 820 g_default_opts.json_config_file != NULL ? g_default_opts.json_config_file : "none"); 821 printf(" --json-ignore-init-errors\n"); 822 printf(" don't exit on invalid config entry\n"); 823 printf(" -d, --limit-coredump do not set max coredump size to RLIM_INFINITY\n"); 824 printf(" -g, --single-file-segments\n"); 825 printf(" force creating just one hugetlbfs file\n"); 826 printf(" -h, --help show this usage\n"); 827 printf(" -i, --shm-id <id> shared memory ID (optional)\n"); 828 printf(" -m, --cpumask <mask or list> core mask (like 0xF) or core list of '[]' embraced (like [0,1,10]) for DPDK\n"); 829 printf(" -n, --mem-channels <num> channel number of memory channels used for DPDK\n"); 830 printf(" -p, --main-core <id> main (primary) core for DPDK\n"); 831 printf(" -r, --rpc-socket <path> RPC listen address (default %s)\n", SPDK_DEFAULT_RPC_ADDR); 832 printf(" -s, --mem-size <size> memory size in MB for DPDK (default: "); 833 #ifndef __linux__ 834 if (g_default_opts.mem_size <= 0) { 835 printf("all hugepage memory)\n"); 836 } else 837 #endif 838 { 839 printf("%dMB)\n", g_default_opts.mem_size >= 0 ? g_default_opts.mem_size : 0); 840 } 841 printf(" --disable-cpumask-locks Disable CPU core lock files.\n"); 842 printf(" --silence-noticelog disable notice level logging to stderr\n"); 843 printf(" -u, --no-pci disable PCI access\n"); 844 printf(" --wait-for-rpc wait for RPCs to initialize subsystems\n"); 845 printf(" --max-delay <num> maximum reactor delay (in microseconds)\n"); 846 printf(" -B, --pci-blocked <bdf>\n"); 847 printf(" pci addr to block (can be used more than once)\n"); 848 printf(" -R, --huge-unlink unlink huge files after initialization\n"); 849 printf(" -v, --version print SPDK version\n"); 850 printf(" -A, --pci-allowed <bdf>\n"); 851 printf(" pci addr to allow (-B and -A cannot be used at the same time)\n"); 852 printf(" --huge-dir <path> use a specific hugetlbfs mount to reserve memory from\n"); 853 printf(" --iova-mode <pa/va> set IOVA mode ('pa' for IOVA_PA and 'va' for IOVA_VA)\n"); 854 printf(" --base-virtaddr <addr> the base virtual address for DPDK (default: 0x200000000000)\n"); 855 printf(" --num-trace-entries <num> number of trace entries for each core, must be power of 2, setting 0 to disable trace (default %d)\n", 856 SPDK_APP_DEFAULT_NUM_TRACE_ENTRIES); 857 printf(" --rpcs-allowed comma-separated list of permitted RPCS\n"); 858 printf(" --env-context Opaque context for use of the env implementation\n"); 859 spdk_log_usage(stdout, "-L"); 860 spdk_trace_mask_usage(stdout, "-e"); 861 if (app_usage) { 862 app_usage(); 863 } 864 } 865 866 spdk_app_parse_args_rvals_t 867 spdk_app_parse_args(int argc, char **argv, struct spdk_app_opts *opts, 868 const char *app_getopt_str, const struct option *app_long_opts, 869 int (*app_parse)(int ch, char *arg), 870 void (*app_usage)(void)) 871 { 872 int ch, rc, opt_idx, global_long_opts_len, app_long_opts_len; 873 struct option *cmdline_options; 874 char *cmdline_short_opts = NULL; 875 char *shm_id_str = NULL; 876 enum spdk_app_parse_args_rvals retval = SPDK_APP_PARSE_ARGS_FAIL; 877 long int tmp; 878 879 memcpy(&g_default_opts, opts, sizeof(g_default_opts)); 880 881 if (opts->json_config_file && access(opts->json_config_file, R_OK) != 0) { 882 SPDK_WARNLOG("Can't read JSON configuration file '%s'\n", opts->json_config_file); 883 opts->json_config_file = NULL; 884 } 885 886 if (app_long_opts == NULL) { 887 app_long_opts_len = 0; 888 } else { 889 for (app_long_opts_len = 0; 890 app_long_opts[app_long_opts_len].name != NULL; 891 app_long_opts_len++); 892 } 893 894 global_long_opts_len = SPDK_COUNTOF(g_cmdline_options); 895 896 cmdline_options = calloc(global_long_opts_len + app_long_opts_len + 1, sizeof(*cmdline_options)); 897 if (!cmdline_options) { 898 SPDK_ERRLOG("Out of memory\n"); 899 return SPDK_APP_PARSE_ARGS_FAIL; 900 } 901 902 memcpy(&cmdline_options[0], g_cmdline_options, sizeof(g_cmdline_options)); 903 if (app_long_opts) { 904 memcpy(&cmdline_options[global_long_opts_len], app_long_opts, 905 app_long_opts_len * sizeof(*app_long_opts)); 906 } 907 908 if (app_getopt_str != NULL) { 909 ch = app_opts_validate(app_getopt_str); 910 if (ch) { 911 SPDK_ERRLOG("Duplicated option '%c' between the generic and application specific spdk opts.\n", 912 ch); 913 goto out; 914 } 915 } 916 917 cmdline_short_opts = spdk_sprintf_alloc("%s%s", app_getopt_str, SPDK_APP_GETOPT_STRING); 918 if (!cmdline_short_opts) { 919 SPDK_ERRLOG("Out of memory\n"); 920 goto out; 921 } 922 923 g_executable_name = argv[0]; 924 925 while ((ch = getopt_long(argc, argv, cmdline_short_opts, cmdline_options, &opt_idx)) != -1) { 926 switch (ch) { 927 case CONFIG_FILE_OPT_IDX: 928 case JSON_CONFIG_OPT_IDX: 929 opts->json_config_file = optarg; 930 break; 931 case JSON_CONFIG_IGNORE_INIT_ERRORS_IDX: 932 opts->json_config_ignore_errors = true; 933 break; 934 case LIMIT_COREDUMP_OPT_IDX: 935 opts->enable_coredump = false; 936 break; 937 case TPOINT_GROUP_OPT_IDX: 938 opts->tpoint_group_mask = optarg; 939 break; 940 case SINGLE_FILE_SEGMENTS_OPT_IDX: 941 opts->hugepage_single_segments = true; 942 break; 943 case HELP_OPT_IDX: 944 usage(app_usage); 945 retval = SPDK_APP_PARSE_ARGS_HELP; 946 goto out; 947 case SHM_ID_OPT_IDX: 948 shm_id_str = optarg; 949 /* a negative shm-id disables shared configuration file */ 950 if (optarg[0] == '-') { 951 shm_id_str++; 952 } 953 /* check if the positive value of provided shm_id can be parsed as 954 * an integer 955 */ 956 opts->shm_id = spdk_strtol(shm_id_str, 0); 957 if (opts->shm_id < 0) { 958 SPDK_ERRLOG("Invalid shared memory ID %s\n", optarg); 959 goto out; 960 } 961 if (optarg[0] == '-') { 962 opts->shm_id = -opts->shm_id; 963 } 964 break; 965 case CPUMASK_OPT_IDX: 966 opts->reactor_mask = optarg; 967 break; 968 case DISABLE_CPUMASK_LOCKS_OPT_IDX: 969 g_disable_cpumask_locks = true; 970 break; 971 case MEM_CHANNELS_OPT_IDX: 972 opts->mem_channel = spdk_strtol(optarg, 0); 973 if (opts->mem_channel < 0) { 974 SPDK_ERRLOG("Invalid memory channel %s\n", optarg); 975 goto out; 976 } 977 break; 978 case MAIN_CORE_OPT_IDX: 979 opts->main_core = spdk_strtol(optarg, 0); 980 if (opts->main_core < 0) { 981 SPDK_ERRLOG("Invalid main core %s\n", optarg); 982 goto out; 983 } 984 break; 985 case SILENCE_NOTICELOG_OPT_IDX: 986 opts->print_level = SPDK_LOG_WARN; 987 break; 988 case RPC_SOCKET_OPT_IDX: 989 opts->rpc_addr = optarg; 990 break; 991 case MEM_SIZE_OPT_IDX: { 992 uint64_t mem_size_mb; 993 bool mem_size_has_prefix; 994 995 rc = spdk_parse_capacity(optarg, &mem_size_mb, &mem_size_has_prefix); 996 if (rc != 0) { 997 SPDK_ERRLOG("invalid memory pool size `-s %s`\n", optarg); 998 usage(app_usage); 999 goto out; 1000 } 1001 1002 if (mem_size_has_prefix) { 1003 /* the mem size is in MB by default, so if a prefix was 1004 * specified, we need to manually convert to MB. 1005 */ 1006 mem_size_mb /= 1024 * 1024; 1007 } 1008 1009 if (mem_size_mb > INT_MAX) { 1010 SPDK_ERRLOG("invalid memory pool size `-s %s`\n", optarg); 1011 usage(app_usage); 1012 goto out; 1013 } 1014 1015 opts->mem_size = (int) mem_size_mb; 1016 break; 1017 } 1018 case NO_PCI_OPT_IDX: 1019 opts->no_pci = true; 1020 break; 1021 case WAIT_FOR_RPC_OPT_IDX: 1022 opts->delay_subsystem_init = true; 1023 break; 1024 case PCI_BLOCKED_OPT_IDX: 1025 if (opts->pci_allowed) { 1026 free(opts->pci_allowed); 1027 opts->pci_allowed = NULL; 1028 SPDK_ERRLOG("-B and -A cannot be used at the same time\n"); 1029 usage(app_usage); 1030 goto out; 1031 } 1032 1033 rc = app_opts_add_pci_addr(opts, &opts->pci_blocked, optarg); 1034 if (rc != 0) { 1035 free(opts->pci_blocked); 1036 opts->pci_blocked = NULL; 1037 goto out; 1038 } 1039 break; 1040 case LOGFLAG_OPT_IDX: 1041 rc = spdk_log_set_flag(optarg); 1042 if (rc < 0) { 1043 SPDK_ERRLOG("unknown flag\n"); 1044 usage(app_usage); 1045 goto out; 1046 } 1047 #ifdef DEBUG 1048 opts->print_level = SPDK_LOG_DEBUG; 1049 #endif 1050 break; 1051 case HUGE_UNLINK_OPT_IDX: 1052 opts->unlink_hugepage = true; 1053 break; 1054 case PCI_WHITELIST_OPT_IDX: 1055 SPDK_WARNLOG("-W/--pci-whitelist is deprecated. Use -A/--pci-allowed.\n"); 1056 /* fallthrough */ 1057 case PCI_ALLOWED_OPT_IDX: 1058 if (opts->pci_blocked) { 1059 free(opts->pci_blocked); 1060 opts->pci_blocked = NULL; 1061 SPDK_ERRLOG("-B and -W cannot be used at the same time\n"); 1062 usage(app_usage); 1063 goto out; 1064 } 1065 1066 rc = app_opts_add_pci_addr(opts, &opts->pci_allowed, optarg); 1067 if (rc != 0) { 1068 free(opts->pci_allowed); 1069 opts->pci_allowed = NULL; 1070 goto out; 1071 } 1072 break; 1073 case BASE_VIRTADDR_OPT_IDX: 1074 tmp = spdk_strtoll(optarg, 0); 1075 if (tmp <= 0) { 1076 SPDK_ERRLOG("Invalid base-virtaddr %s\n", optarg); 1077 usage(app_usage); 1078 goto out; 1079 } 1080 opts->base_virtaddr = (uint64_t)tmp; 1081 break; 1082 case HUGE_DIR_OPT_IDX: 1083 opts->hugedir = optarg; 1084 break; 1085 case IOVA_MODE_OPT_IDX: 1086 opts->iova_mode = optarg; 1087 break; 1088 case NUM_TRACE_ENTRIES_OPT_IDX: 1089 tmp = spdk_strtoll(optarg, 0); 1090 if (tmp < 0) { 1091 SPDK_ERRLOG("Invalid num-trace-entries %s\n", optarg); 1092 usage(app_usage); 1093 goto out; 1094 } 1095 opts->num_entries = (uint64_t)tmp; 1096 if (opts->num_entries > 0 && opts->num_entries & (opts->num_entries - 1)) { 1097 SPDK_ERRLOG("num-trace-entries must be power of 2\n"); 1098 usage(app_usage); 1099 goto out; 1100 } 1101 break; 1102 case MAX_REACTOR_DELAY_OPT_IDX: 1103 SPDK_ERRLOG("Deprecation warning: The maximum allowed latency parameter is no longer supported.\n"); 1104 break; 1105 case ENV_CONTEXT_OPT_IDX: 1106 opts->env_context = optarg; 1107 break; 1108 case RPCS_ALLOWED_OPT_IDX: 1109 opts->rpc_allowlist = (const char **)spdk_strarray_from_string(optarg, ","); 1110 if (opts->rpc_allowlist == NULL) { 1111 SPDK_ERRLOG("Invalid --rpcs-allowed argument\n"); 1112 usage(app_usage); 1113 goto out; 1114 } 1115 break; 1116 case VERSION_OPT_IDX: 1117 printf(SPDK_VERSION_STRING"\n"); 1118 retval = SPDK_APP_PARSE_ARGS_HELP; 1119 goto out; 1120 case '?': 1121 /* 1122 * In the event getopt() above detects an option 1123 * in argv that is NOT in the getopt_str, 1124 * getopt() will return a '?' indicating failure. 1125 */ 1126 usage(app_usage); 1127 goto out; 1128 default: 1129 rc = app_parse(ch, optarg); 1130 if (rc) { 1131 SPDK_ERRLOG("Parsing application specific arguments failed: %d\n", rc); 1132 goto out; 1133 } 1134 } 1135 } 1136 1137 if (opts->json_config_file && opts->delay_subsystem_init) { 1138 SPDK_ERRLOG("JSON configuration file can't be used together with --wait-for-rpc.\n"); 1139 goto out; 1140 } 1141 1142 retval = SPDK_APP_PARSE_ARGS_SUCCESS; 1143 out: 1144 if (retval != SPDK_APP_PARSE_ARGS_SUCCESS) { 1145 free(opts->pci_blocked); 1146 opts->pci_blocked = NULL; 1147 free(opts->pci_allowed); 1148 opts->pci_allowed = NULL; 1149 spdk_strarray_free((char **)opts->rpc_allowlist); 1150 opts->rpc_allowlist = NULL; 1151 } 1152 free(cmdline_short_opts); 1153 free(cmdline_options); 1154 return retval; 1155 } 1156 1157 void 1158 spdk_app_usage(void) 1159 { 1160 if (g_executable_name == NULL) { 1161 SPDK_ERRLOG("%s not valid before calling spdk_app_parse_args()\n", __func__); 1162 return; 1163 } 1164 1165 usage(NULL); 1166 } 1167 1168 static void 1169 rpc_framework_start_init_cpl(int rc, void *arg1) 1170 { 1171 struct spdk_jsonrpc_request *request = arg1; 1172 1173 assert(spdk_get_thread() == g_app_thread); 1174 1175 if (rc) { 1176 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, 1177 "framework_initialization failed"); 1178 return; 1179 } 1180 1181 spdk_rpc_set_state(SPDK_RPC_RUNTIME); 1182 app_start_application(); 1183 1184 spdk_jsonrpc_send_bool_response(request, true); 1185 } 1186 1187 static void 1188 rpc_framework_start_init(struct spdk_jsonrpc_request *request, 1189 const struct spdk_json_val *params) 1190 { 1191 if (params != NULL) { 1192 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 1193 "framework_start_init requires no parameters"); 1194 return; 1195 } 1196 1197 spdk_subsystem_init(rpc_framework_start_init_cpl, request); 1198 } 1199 SPDK_RPC_REGISTER("framework_start_init", rpc_framework_start_init, SPDK_RPC_STARTUP) 1200 1201 struct subsystem_init_poller_ctx { 1202 struct spdk_poller *init_poller; 1203 struct spdk_jsonrpc_request *request; 1204 }; 1205 1206 static int 1207 rpc_subsystem_init_poller_ctx(void *ctx) 1208 { 1209 struct subsystem_init_poller_ctx *poller_ctx = ctx; 1210 1211 if (spdk_rpc_get_state() == SPDK_RPC_RUNTIME) { 1212 spdk_jsonrpc_send_bool_response(poller_ctx->request, true); 1213 spdk_poller_unregister(&poller_ctx->init_poller); 1214 free(poller_ctx); 1215 } 1216 1217 return SPDK_POLLER_BUSY; 1218 } 1219 1220 static void 1221 rpc_framework_wait_init(struct spdk_jsonrpc_request *request, 1222 const struct spdk_json_val *params) 1223 { 1224 struct subsystem_init_poller_ctx *ctx; 1225 1226 if (spdk_rpc_get_state() == SPDK_RPC_RUNTIME) { 1227 spdk_jsonrpc_send_bool_response(request, true); 1228 } else { 1229 ctx = malloc(sizeof(struct subsystem_init_poller_ctx)); 1230 if (ctx == NULL) { 1231 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, 1232 "Unable to allocate memory for the request context\n"); 1233 return; 1234 } 1235 ctx->request = request; 1236 ctx->init_poller = SPDK_POLLER_REGISTER(rpc_subsystem_init_poller_ctx, ctx, 0); 1237 } 1238 } 1239 SPDK_RPC_REGISTER("framework_wait_init", rpc_framework_wait_init, 1240 SPDK_RPC_STARTUP | SPDK_RPC_RUNTIME) 1241 1242 static void 1243 rpc_framework_disable_cpumask_locks(struct spdk_jsonrpc_request *request, 1244 const struct spdk_json_val *params) 1245 { 1246 if (params != NULL) { 1247 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 1248 "framework_disable_cpumask_locks" 1249 "requires no arguments"); 1250 return; 1251 } 1252 1253 unclaim_cpu_cores(); 1254 spdk_jsonrpc_send_bool_response(request, true); 1255 } 1256 SPDK_RPC_REGISTER("framework_disable_cpumask_locks", rpc_framework_disable_cpumask_locks, 1257 SPDK_RPC_STARTUP | SPDK_RPC_RUNTIME) 1258 1259 static void 1260 rpc_framework_enable_cpumask_locks(struct spdk_jsonrpc_request *request, 1261 const struct spdk_json_val *params) 1262 { 1263 char msg[128]; 1264 int rc; 1265 uint32_t failed_core; 1266 1267 if (params != NULL) { 1268 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 1269 "framework_enable_cpumask_locks" 1270 "requires no arguments"); 1271 return; 1272 } 1273 1274 rc = claim_cpu_cores(&failed_core); 1275 if (rc) { 1276 snprintf(msg, sizeof(msg), "Failed to claim CPU core: %" PRIu32, failed_core); 1277 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, msg); 1278 return; 1279 } 1280 1281 spdk_jsonrpc_send_bool_response(request, true); 1282 } 1283 SPDK_RPC_REGISTER("framework_enable_cpumask_locks", rpc_framework_enable_cpumask_locks, 1284 SPDK_RPC_STARTUP | SPDK_RPC_RUNTIME) 1285