Line data Source code
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, 2023 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 : #include "spdk/file.h"
23 : #include "spdk/config.h"
24 : #include "event_internal.h"
25 :
26 : #define SPDK_APP_DEFAULT_LOG_LEVEL SPDK_LOG_NOTICE
27 : #define SPDK_APP_DEFAULT_LOG_PRINT_LEVEL SPDK_LOG_INFO
28 : #define SPDK_APP_DEFAULT_NUM_TRACE_ENTRIES SPDK_DEFAULT_NUM_TRACE_ENTRIES
29 :
30 : #define SPDK_APP_DPDK_DEFAULT_MEM_SIZE -1
31 : #define SPDK_APP_DPDK_DEFAULT_MAIN_CORE -1
32 : #define SPDK_APP_DPDK_DEFAULT_MEM_CHANNEL -1
33 : #define SPDK_APP_DPDK_DEFAULT_CORE_MASK "0x1"
34 : #define SPDK_APP_DPDK_DEFAULT_BASE_VIRTADDR 0x200000000000
35 : #define SPDK_APP_DEFAULT_CORE_LIMIT 0x140000000 /* 5 GiB */
36 :
37 : /* For core counts <= 63, the message memory pool size is set to
38 : * SPDK_DEFAULT_MSG_MEMPOOL_SIZE.
39 : * For core counts > 63, the message memory pool size is dependend on
40 : * number of cores. Per core, it is calculated as SPDK_MSG_MEMPOOL_CACHE_SIZE
41 : * multiplied by factor of 4 to have space for multiple spdk threads running
42 : * on single core (e.g iscsi + nvmf + vhost ). */
43 : #define SPDK_APP_PER_CORE_MSG_MEMPOOL_SIZE (4 * SPDK_MSG_MEMPOOL_CACHE_SIZE)
44 :
45 : struct spdk_app {
46 : void *json_data;
47 : size_t json_data_size;
48 : bool json_config_ignore_errors;
49 : bool stopped;
50 : const char *rpc_addr;
51 : const char **rpc_allowlist;
52 : FILE *rpc_log_file;
53 : enum spdk_log_level rpc_log_level;
54 : int shm_id;
55 : spdk_app_shutdown_cb shutdown_cb;
56 : int rc;
57 : };
58 :
59 : static struct spdk_app g_spdk_app;
60 : static spdk_msg_fn g_start_fn = NULL;
61 : static void *g_start_arg = NULL;
62 : static bool g_delay_subsystem_init = false;
63 : static bool g_shutdown_sig_received = false;
64 : static char *g_executable_name;
65 : static struct spdk_app_opts g_default_opts;
66 :
67 : static int g_core_locks[SPDK_CONFIG_MAX_LCORES];
68 :
69 : static struct {
70 : uint64_t irq;
71 : uint64_t usr;
72 : uint64_t sys;
73 : } g_initial_stat[SPDK_CONFIG_MAX_LCORES];
74 :
75 : int
76 0 : spdk_app_get_shm_id(void)
77 : {
78 0 : return g_spdk_app.shm_id;
79 : }
80 :
81 : /* append one empty option to indicate the end of the array */
82 : static const struct option g_cmdline_options[] = {
83 : #define CONFIG_FILE_OPT_IDX 'c'
84 : {"config", required_argument, NULL, CONFIG_FILE_OPT_IDX},
85 : #define LIMIT_COREDUMP_OPT_IDX 'd'
86 : {"limit-coredump", no_argument, NULL, LIMIT_COREDUMP_OPT_IDX},
87 : #define TPOINT_GROUP_OPT_IDX 'e'
88 : {"tpoint-group", required_argument, NULL, TPOINT_GROUP_OPT_IDX},
89 : #define SINGLE_FILE_SEGMENTS_OPT_IDX 'g'
90 : {"single-file-segments", no_argument, NULL, SINGLE_FILE_SEGMENTS_OPT_IDX},
91 : #define HELP_OPT_IDX 'h'
92 : {"help", no_argument, NULL, HELP_OPT_IDX},
93 : #define SHM_ID_OPT_IDX 'i'
94 : {"shm-id", required_argument, NULL, SHM_ID_OPT_IDX},
95 : #define CPUMASK_OPT_IDX 'm'
96 : {"cpumask", required_argument, NULL, CPUMASK_OPT_IDX},
97 : #define MEM_CHANNELS_OPT_IDX 'n'
98 : {"mem-channels", required_argument, NULL, MEM_CHANNELS_OPT_IDX},
99 : #define MAIN_CORE_OPT_IDX 'p'
100 : {"main-core", required_argument, NULL, MAIN_CORE_OPT_IDX},
101 : #define RPC_SOCKET_OPT_IDX 'r'
102 : {"rpc-socket", required_argument, NULL, RPC_SOCKET_OPT_IDX},
103 : #define MEM_SIZE_OPT_IDX 's'
104 : {"mem-size", required_argument, NULL, MEM_SIZE_OPT_IDX},
105 : #define NO_PCI_OPT_IDX 'u'
106 : {"no-pci", no_argument, NULL, NO_PCI_OPT_IDX},
107 : #define VERSION_OPT_IDX 'v'
108 : {"version", no_argument, NULL, VERSION_OPT_IDX},
109 : #define PCI_BLOCKED_OPT_IDX 'B'
110 : {"pci-blocked", required_argument, NULL, PCI_BLOCKED_OPT_IDX},
111 : #define LOGFLAG_OPT_IDX 'L'
112 : {"logflag", required_argument, NULL, LOGFLAG_OPT_IDX},
113 : #define HUGE_UNLINK_OPT_IDX 'R'
114 : {"huge-unlink", no_argument, NULL, HUGE_UNLINK_OPT_IDX},
115 : #define PCI_ALLOWED_OPT_IDX 'A'
116 : {"pci-allowed", required_argument, NULL, PCI_ALLOWED_OPT_IDX},
117 : #define INTERRUPT_MODE_OPT_IDX 256
118 : {"interrupt-mode", no_argument, NULL, INTERRUPT_MODE_OPT_IDX},
119 : #define SILENCE_NOTICELOG_OPT_IDX 257
120 : {"silence-noticelog", no_argument, NULL, SILENCE_NOTICELOG_OPT_IDX},
121 : #define WAIT_FOR_RPC_OPT_IDX 258
122 : {"wait-for-rpc", no_argument, NULL, WAIT_FOR_RPC_OPT_IDX},
123 : #define HUGE_DIR_OPT_IDX 259
124 : {"huge-dir", required_argument, NULL, HUGE_DIR_OPT_IDX},
125 : #define NUM_TRACE_ENTRIES_OPT_IDX 260
126 : {"num-trace-entries", required_argument, NULL, NUM_TRACE_ENTRIES_OPT_IDX},
127 : #define JSON_CONFIG_OPT_IDX 262
128 : {"json", required_argument, NULL, JSON_CONFIG_OPT_IDX},
129 : #define JSON_CONFIG_IGNORE_INIT_ERRORS_IDX 263
130 : {"json-ignore-init-errors", no_argument, NULL, JSON_CONFIG_IGNORE_INIT_ERRORS_IDX},
131 : #define IOVA_MODE_OPT_IDX 264
132 : {"iova-mode", required_argument, NULL, IOVA_MODE_OPT_IDX},
133 : #define BASE_VIRTADDR_OPT_IDX 265
134 : {"base-virtaddr", required_argument, NULL, BASE_VIRTADDR_OPT_IDX},
135 : #define ENV_CONTEXT_OPT_IDX 266
136 : {"env-context", required_argument, NULL, ENV_CONTEXT_OPT_IDX},
137 : #define DISABLE_CPUMASK_LOCKS_OPT_IDX 267
138 : {"disable-cpumask-locks", no_argument, NULL, DISABLE_CPUMASK_LOCKS_OPT_IDX},
139 : #define RPCS_ALLOWED_OPT_IDX 268
140 : {"rpcs-allowed", required_argument, NULL, RPCS_ALLOWED_OPT_IDX},
141 : #define ENV_VF_TOKEN_OPT_IDX 269
142 : {"vfio-vf-token", required_argument, NULL, ENV_VF_TOKEN_OPT_IDX},
143 : #define MSG_MEMPOOL_SIZE_OPT_IDX 270
144 : {"msg-mempool-size", required_argument, NULL, MSG_MEMPOOL_SIZE_OPT_IDX},
145 : #define LCORES_OPT_IDX 271
146 : {"lcores", required_argument, NULL, LCORES_OPT_IDX},
147 : #define NO_HUGE_OPT_IDX 272
148 : {"no-huge", no_argument, NULL, NO_HUGE_OPT_IDX},
149 : #define NO_RPC_SERVER_OPT_IDX 273
150 : {"no-rpc-server", no_argument, NULL, NO_RPC_SERVER_OPT_IDX},
151 : #define ENFORCE_NUMA_OPT_IDX 274
152 : {"enforce-numa", no_argument, NULL, ENFORCE_NUMA_OPT_IDX},
153 : };
154 :
155 : static int
156 0 : parse_proc_stat(unsigned int core, uint64_t *user, uint64_t *sys, uint64_t *irq)
157 : {
158 : FILE *f;
159 0 : uint64_t i, soft_irq, cpu = 0;
160 0 : int rc, found = 0;
161 :
162 0 : f = fopen("/proc/stat", "r");
163 0 : if (!f) {
164 0 : return -1;
165 : }
166 :
167 0 : for (i = 0; i <= core + 1; i++) {
168 : /* scanf discards input with '*' in format,
169 : * cpu;user;nice;system;idle;iowait;irq;softirq;steal;guest;guest_nice */
170 0 : rc = fscanf(f, "cpu%li %li %*i %li %*i %*i %li %li %*i %*i %*i\n",
171 : &cpu, user, sys, irq, &soft_irq);
172 0 : if (rc != 5) {
173 0 : continue;
174 : }
175 :
176 : /* some cores can be disabled, list may not be in order */
177 0 : if (cpu == core) {
178 0 : found = 1;
179 0 : break;
180 : }
181 : }
182 :
183 0 : *irq += soft_irq;
184 :
185 0 : fclose(f);
186 0 : return found ? 0 : -1;
187 : }
188 :
189 : static int
190 0 : init_proc_stat(unsigned int core)
191 : {
192 0 : uint64_t usr, sys, irq;
193 :
194 0 : if (core >= SPDK_CONFIG_MAX_LCORES) {
195 0 : return -1;
196 : }
197 :
198 0 : if (parse_proc_stat(core, &usr, &sys, &irq) < 0) {
199 0 : return -1;
200 : }
201 :
202 0 : g_initial_stat[core].irq = irq;
203 0 : g_initial_stat[core].usr = usr;
204 0 : g_initial_stat[core].sys = sys;
205 :
206 0 : return 0;
207 : }
208 :
209 : int
210 0 : app_get_proc_stat(unsigned int core, uint64_t *usr, uint64_t *sys, uint64_t *irq)
211 : {
212 0 : uint64_t _usr, _sys, _irq;
213 :
214 0 : if (core >= SPDK_CONFIG_MAX_LCORES) {
215 0 : return -1;
216 : }
217 :
218 0 : if (parse_proc_stat(core, &_usr, &_sys, &_irq) < 0) {
219 0 : return -1;
220 : }
221 :
222 0 : *irq = _irq - g_initial_stat[core].irq;
223 0 : *usr = _usr - g_initial_stat[core].usr;
224 0 : *sys = _sys - g_initial_stat[core].sys;
225 :
226 0 : return 0;
227 : }
228 :
229 : static void
230 0 : app_start_shutdown(void *ctx)
231 : {
232 0 : if (g_spdk_app.shutdown_cb) {
233 0 : g_spdk_app.shutdown_cb();
234 0 : g_spdk_app.shutdown_cb = NULL;
235 : } else {
236 0 : spdk_app_stop(0);
237 : }
238 0 : }
239 :
240 : void
241 0 : spdk_app_start_shutdown(void)
242 : {
243 0 : spdk_thread_send_critical_msg(spdk_thread_get_app_thread(), app_start_shutdown);
244 0 : }
245 :
246 : static void
247 0 : __shutdown_signal(int signo)
248 : {
249 0 : if (!g_shutdown_sig_received) {
250 0 : g_shutdown_sig_received = true;
251 0 : spdk_app_start_shutdown();
252 : }
253 0 : }
254 :
255 : static int
256 8 : app_opts_validate(const char *app_opts)
257 : {
258 8 : int i = 0, j;
259 :
260 9 : for (i = 0; app_opts[i] != '\0'; i++) {
261 : /* ignore getopt control characters */
262 2 : if (app_opts[i] == ':' || app_opts[i] == '+' || app_opts[i] == '-') {
263 0 : continue;
264 : }
265 :
266 32 : for (j = 0; SPDK_APP_GETOPT_STRING[j] != '\0'; j++) {
267 31 : if (app_opts[i] == SPDK_APP_GETOPT_STRING[j]) {
268 1 : return app_opts[i];
269 : }
270 : }
271 : }
272 7 : return 0;
273 : }
274 :
275 : static void
276 0 : calculate_mempool_size(struct spdk_app_opts *opts,
277 : struct spdk_app_opts *opts_user)
278 : {
279 0 : uint32_t core_count = spdk_env_get_core_count();
280 :
281 0 : if (!opts_user->msg_mempool_size) {
282 : /* The user didn't specify msg_mempool_size, so let's calculate it.
283 : Set the default (SPDK_DEFAULT_MSG_MEMPOOL_SIZE) if less than
284 : 64 cores, and use 4k per core otherwise */
285 0 : opts->msg_mempool_size = spdk_max(SPDK_DEFAULT_MSG_MEMPOOL_SIZE,
286 : core_count * SPDK_APP_PER_CORE_MSG_MEMPOOL_SIZE);
287 : } else {
288 0 : opts->msg_mempool_size = opts_user->msg_mempool_size;
289 : }
290 0 : }
291 :
292 : void
293 0 : spdk_app_opts_init(struct spdk_app_opts *opts, size_t opts_size)
294 : {
295 0 : if (!opts) {
296 0 : SPDK_ERRLOG("opts should not be NULL\n");
297 0 : return;
298 : }
299 :
300 0 : if (!opts_size) {
301 0 : SPDK_ERRLOG("opts_size should not be zero value\n");
302 0 : return;
303 : }
304 :
305 0 : memset(opts, 0, opts_size);
306 0 : opts->opts_size = opts_size;
307 :
308 : #define SET_FIELD(field, value) \
309 : if (offsetof(struct spdk_app_opts, field) + sizeof(opts->field) <= opts_size) { \
310 : opts->field = value; \
311 : } \
312 :
313 0 : SET_FIELD(enable_coredump, true);
314 0 : SET_FIELD(shm_id, -1);
315 0 : SET_FIELD(mem_size, SPDK_APP_DPDK_DEFAULT_MEM_SIZE);
316 0 : SET_FIELD(main_core, SPDK_APP_DPDK_DEFAULT_MAIN_CORE);
317 0 : SET_FIELD(mem_channel, SPDK_APP_DPDK_DEFAULT_MEM_CHANNEL);
318 0 : SET_FIELD(base_virtaddr, SPDK_APP_DPDK_DEFAULT_BASE_VIRTADDR);
319 0 : SET_FIELD(print_level, SPDK_APP_DEFAULT_LOG_PRINT_LEVEL);
320 0 : SET_FIELD(rpc_addr, SPDK_DEFAULT_RPC_ADDR);
321 0 : SET_FIELD(num_entries, SPDK_APP_DEFAULT_NUM_TRACE_ENTRIES);
322 0 : SET_FIELD(delay_subsystem_init, false);
323 0 : SET_FIELD(disable_signal_handlers, false);
324 0 : SET_FIELD(interrupt_mode, false);
325 0 : SET_FIELD(enforce_numa, false);
326 : /* Don't set msg_mempool_size here, it is set or calculated later */
327 0 : SET_FIELD(rpc_allowlist, NULL);
328 0 : SET_FIELD(rpc_log_file, NULL);
329 0 : SET_FIELD(rpc_log_level, SPDK_LOG_DISABLED);
330 0 : SET_FIELD(disable_cpumask_locks, false);
331 : #undef SET_FIELD
332 : }
333 :
334 : static int
335 0 : app_setup_signal_handlers(struct spdk_app_opts *opts)
336 : {
337 0 : struct sigaction sigact;
338 0 : sigset_t sigmask;
339 : int rc;
340 :
341 0 : sigemptyset(&sigmask);
342 0 : memset(&sigact, 0, sizeof(sigact));
343 0 : sigemptyset(&sigact.sa_mask);
344 :
345 0 : sigact.sa_handler = SIG_IGN;
346 0 : rc = sigaction(SIGPIPE, &sigact, NULL);
347 0 : if (rc < 0) {
348 0 : SPDK_ERRLOG("sigaction(SIGPIPE) failed\n");
349 0 : return rc;
350 : }
351 :
352 : /* Install the same handler for SIGINT and SIGTERM */
353 0 : g_shutdown_sig_received = false;
354 0 : sigact.sa_handler = __shutdown_signal;
355 0 : rc = sigaction(SIGINT, &sigact, NULL);
356 0 : if (rc < 0) {
357 0 : SPDK_ERRLOG("sigaction(SIGINT) failed\n");
358 0 : return rc;
359 : }
360 0 : sigaddset(&sigmask, SIGINT);
361 :
362 0 : rc = sigaction(SIGTERM, &sigact, NULL);
363 0 : if (rc < 0) {
364 0 : SPDK_ERRLOG("sigaction(SIGTERM) failed\n");
365 0 : return rc;
366 : }
367 0 : sigaddset(&sigmask, SIGTERM);
368 :
369 0 : pthread_sigmask(SIG_UNBLOCK, &sigmask, NULL);
370 :
371 0 : return 0;
372 : }
373 :
374 : static void
375 0 : app_start_application(int rc, void *arg1)
376 : {
377 0 : assert(spdk_thread_is_app_thread(NULL));
378 :
379 0 : if (rc) {
380 0 : SPDK_ERRLOG("Failed to load subsystems for RUNTIME state with code: %d\n", rc);
381 0 : spdk_app_stop(rc);
382 0 : return;
383 : }
384 :
385 0 : if (g_spdk_app.rpc_addr) {
386 0 : spdk_rpc_server_resume(g_spdk_app.rpc_addr);
387 : }
388 :
389 0 : g_start_fn(g_start_arg);
390 : }
391 :
392 : static void
393 0 : app_subsystem_init_done(int rc, void *arg1)
394 : {
395 0 : if (rc) {
396 0 : SPDK_ERRLOG("Subsystem initialization failed with code: %d\n", rc);
397 0 : spdk_app_stop(rc);
398 0 : return;
399 : }
400 :
401 0 : spdk_rpc_set_allowlist(g_spdk_app.rpc_allowlist);
402 0 : spdk_rpc_set_state(SPDK_RPC_RUNTIME);
403 :
404 0 : if (g_spdk_app.json_data) {
405 : /* Load SPDK_RPC_RUNTIME RPCs from config file */
406 0 : assert(spdk_rpc_get_state() == SPDK_RPC_RUNTIME);
407 0 : spdk_subsystem_load_config(g_spdk_app.json_data, g_spdk_app.json_data_size,
408 : app_start_application, NULL,
409 0 : !g_spdk_app.json_config_ignore_errors);
410 : } else {
411 0 : app_start_application(0, NULL);
412 : }
413 : }
414 :
415 : static void
416 0 : app_do_spdk_subsystem_init(int rc, void *arg1)
417 : {
418 0 : struct spdk_rpc_opts opts;
419 :
420 0 : if (rc) {
421 0 : spdk_app_stop(rc);
422 0 : return;
423 : }
424 :
425 0 : if (g_spdk_app.rpc_addr) {
426 0 : opts.size = SPDK_SIZEOF(&opts, log_level);
427 0 : opts.log_file = g_spdk_app.rpc_log_file;
428 0 : opts.log_level = g_spdk_app.rpc_log_level;
429 :
430 0 : rc = spdk_rpc_initialize(g_spdk_app.rpc_addr, &opts);
431 0 : if (rc) {
432 0 : spdk_app_stop(rc);
433 0 : return;
434 : }
435 0 : if (g_delay_subsystem_init) {
436 0 : return;
437 : }
438 0 : spdk_rpc_server_pause(g_spdk_app.rpc_addr);
439 : } else {
440 0 : SPDK_DEBUGLOG(app_rpc, "RPC server not started\n");
441 : }
442 0 : spdk_subsystem_init(app_subsystem_init_done, NULL);
443 : }
444 :
445 : static int
446 2 : app_opts_add_pci_addr(struct spdk_app_opts *opts, struct spdk_pci_addr **list, char *bdf)
447 : {
448 2 : struct spdk_pci_addr *tmp = *list;
449 2 : size_t i = opts->num_pci_addr;
450 :
451 2 : tmp = realloc(tmp, sizeof(*tmp) * (i + 1));
452 2 : if (tmp == NULL) {
453 0 : SPDK_ERRLOG("realloc error\n");
454 0 : return -ENOMEM;
455 : }
456 :
457 2 : *list = tmp;
458 2 : if (spdk_pci_addr_parse(*list + i, bdf) < 0) {
459 0 : SPDK_ERRLOG("Invalid address %s\n", bdf);
460 0 : return -EINVAL;
461 : }
462 :
463 2 : opts->num_pci_addr++;
464 2 : return 0;
465 : }
466 :
467 : static int
468 0 : app_setup_env(struct spdk_app_opts *opts)
469 : {
470 0 : struct spdk_env_opts env_opts = {};
471 : int rc;
472 :
473 0 : if (opts == NULL) {
474 0 : rc = spdk_env_init_ext(NULL);
475 0 : if (rc != 0) {
476 0 : SPDK_ERRLOG("Unable to reinitialize SPDK env\n");
477 : }
478 :
479 0 : return rc;
480 : }
481 :
482 0 : spdk_env_opts_init_ext(&env_opts, sizeof(env_opts));
483 :
484 0 : env_opts.name = opts->name;
485 0 : env_opts.core_mask = opts->reactor_mask;
486 0 : env_opts.lcore_map = opts->lcore_map;
487 0 : env_opts.shm_id = opts->shm_id;
488 0 : env_opts.mem_channel = opts->mem_channel;
489 0 : env_opts.main_core = opts->main_core;
490 0 : env_opts.mem_size = opts->mem_size;
491 0 : env_opts.hugepage_single_segments = opts->hugepage_single_segments;
492 0 : env_opts.unlink_hugepage = opts->unlink_hugepage;
493 0 : env_opts.hugedir = opts->hugedir;
494 0 : env_opts.no_pci = opts->no_pci;
495 0 : env_opts.num_pci_addr = opts->num_pci_addr;
496 0 : env_opts.pci_blocked = opts->pci_blocked;
497 0 : env_opts.pci_allowed = opts->pci_allowed;
498 0 : env_opts.base_virtaddr = opts->base_virtaddr;
499 0 : env_opts.env_context = opts->env_context;
500 0 : env_opts.iova_mode = opts->iova_mode;
501 0 : env_opts.vf_token = opts->vf_token;
502 0 : env_opts.no_huge = opts->no_huge;
503 0 : env_opts.enforce_numa = opts->enforce_numa;
504 :
505 0 : rc = spdk_env_init_ext(&env_opts);
506 0 : free(env_opts.pci_blocked);
507 0 : free(env_opts.pci_allowed);
508 :
509 0 : if (rc < 0) {
510 0 : SPDK_ERRLOG("Unable to initialize SPDK env\n");
511 : }
512 :
513 0 : return rc;
514 : }
515 :
516 : static int
517 0 : app_setup_trace(struct spdk_app_opts *opts)
518 : {
519 0 : char shm_name[64];
520 0 : uint64_t tpoint_group_mask, tpoint_mask = -1ULL;
521 0 : char *end = NULL, *tpoint_group_mask_str, *tpoint_group_str = NULL;
522 : char *tp_g_str, *tpoint_group, *tpoints;
523 0 : bool error_found = false;
524 : uint64_t group_id;
525 :
526 0 : if (opts->shm_id >= 0) {
527 0 : snprintf(shm_name, sizeof(shm_name), "/%s%s%d", opts->name,
528 : SPDK_TRACE_SHM_NAME_BASE, opts->shm_id);
529 : } else {
530 0 : snprintf(shm_name, sizeof(shm_name), "/%s%spid%d", opts->name,
531 0 : SPDK_TRACE_SHM_NAME_BASE, (int)getpid());
532 : }
533 :
534 0 : if (spdk_trace_init(shm_name, opts->num_entries, 0) != 0) {
535 0 : return -1;
536 : }
537 :
538 0 : if (opts->tpoint_group_mask == NULL) {
539 0 : return 0;
540 : }
541 :
542 0 : tpoint_group_mask_str = strdup(opts->tpoint_group_mask);
543 0 : if (tpoint_group_mask_str == NULL) {
544 0 : SPDK_ERRLOG("Unable to get string of tpoint group mask from opts.\n");
545 0 : return -1;
546 : }
547 : /* Save a pointer to the original value of the tpoint group mask string
548 : * to free later, because spdk_strsepq() modifies given char*. */
549 0 : tp_g_str = tpoint_group_mask_str;
550 0 : while ((tpoint_group_str = spdk_strsepq(&tpoint_group_mask_str, ",")) != NULL) {
551 0 : if (strchr(tpoint_group_str, ':')) {
552 : /* Get the tpoint group mask */
553 0 : tpoint_group = spdk_strsepq(&tpoint_group_str, ":");
554 : /* Get the tpoint mask inside that group */
555 0 : tpoints = spdk_strsepq(&tpoint_group_str, ":");
556 :
557 0 : errno = 0;
558 0 : tpoint_group_mask = strtoull(tpoint_group, &end, 16);
559 0 : if (*end != '\0' || errno) {
560 0 : tpoint_group_mask = spdk_trace_create_tpoint_group_mask(tpoint_group);
561 0 : if (tpoint_group_mask == 0) {
562 0 : error_found = true;
563 0 : break;
564 : }
565 : }
566 : /* Check if tpoint group mask has only one bit set.
567 : * This is to avoid enabling individual tpoints in
568 : * more than one tracepoint group at once. */
569 0 : if (!spdk_u64_is_pow2(tpoint_group_mask)) {
570 0 : SPDK_ERRLOG("Tpoint group mask: %s contains multiple tpoint groups.\n", tpoint_group);
571 0 : SPDK_ERRLOG("This is not supported, to prevent from activating tpoints by mistake.\n");
572 0 : error_found = true;
573 0 : break;
574 : }
575 :
576 0 : errno = 0;
577 0 : tpoint_mask = strtoull(tpoints, &end, 16);
578 0 : if (*end != '\0' || errno) {
579 0 : error_found = true;
580 0 : break;
581 : }
582 : } else {
583 0 : errno = 0;
584 0 : tpoint_group_mask = strtoull(tpoint_group_str, &end, 16);
585 0 : if (*end != '\0' || errno) {
586 0 : tpoint_group_mask = spdk_trace_create_tpoint_group_mask(tpoint_group_str);
587 0 : if (tpoint_group_mask == 0) {
588 0 : error_found = true;
589 0 : break;
590 : }
591 : }
592 0 : tpoint_mask = -1ULL;
593 : }
594 :
595 0 : for (group_id = 0; group_id < SPDK_TRACE_MAX_GROUP_ID; ++group_id) {
596 0 : if (tpoint_group_mask & (1 << group_id)) {
597 0 : spdk_trace_set_tpoints(group_id, tpoint_mask);
598 : }
599 : }
600 : }
601 :
602 0 : if (error_found) {
603 0 : SPDK_ERRLOG("invalid tpoint mask %s\n", opts->tpoint_group_mask);
604 0 : free(tp_g_str);
605 0 : return -1;
606 : } else {
607 0 : SPDK_NOTICELOG("Tracepoint Group Mask %s specified.\n", opts->tpoint_group_mask);
608 0 : SPDK_NOTICELOG("Use 'spdk_trace -s %s %s %d' to capture a snapshot of events at runtime.\n",
609 : opts->name,
610 : opts->shm_id >= 0 ? "-i" : "-p",
611 : opts->shm_id >= 0 ? opts->shm_id : getpid());
612 : #if defined(__linux__)
613 0 : SPDK_NOTICELOG("'spdk_trace' without parameters will also work if this is the only\n");
614 0 : SPDK_NOTICELOG("SPDK application currently running.\n");
615 0 : SPDK_NOTICELOG("Or copy /dev/shm%s for offline analysis/debug.\n", shm_name);
616 : #endif
617 : }
618 0 : free(tp_g_str);
619 :
620 0 : return 0;
621 : }
622 :
623 : static void
624 0 : bootstrap_fn(void *arg1)
625 : {
626 0 : spdk_rpc_set_allowlist(g_spdk_app.rpc_allowlist);
627 :
628 0 : if (g_spdk_app.json_data) {
629 : /* Load SPDK_RPC_STARTUP RPCs from config file */
630 0 : assert(spdk_rpc_get_state() == SPDK_RPC_STARTUP);
631 0 : spdk_subsystem_load_config(g_spdk_app.json_data, g_spdk_app.json_data_size,
632 : app_do_spdk_subsystem_init, NULL,
633 0 : !g_spdk_app.json_config_ignore_errors);
634 : } else {
635 0 : app_do_spdk_subsystem_init(0, NULL);
636 : }
637 0 : }
638 :
639 : static void
640 0 : app_copy_opts(struct spdk_app_opts *opts, struct spdk_app_opts *opts_user, size_t opts_size)
641 : {
642 0 : spdk_app_opts_init(opts, sizeof(*opts));
643 0 : opts->opts_size = opts_size;
644 :
645 : #define SET_FIELD(field) \
646 : if (offsetof(struct spdk_app_opts, field) + sizeof(opts->field) <= (opts->opts_size)) { \
647 : opts->field = opts_user->field; \
648 : } \
649 :
650 0 : SET_FIELD(name);
651 0 : SET_FIELD(json_config_file);
652 0 : SET_FIELD(json_config_ignore_errors);
653 0 : SET_FIELD(rpc_addr);
654 0 : SET_FIELD(reactor_mask);
655 0 : SET_FIELD(lcore_map);
656 0 : SET_FIELD(tpoint_group_mask);
657 0 : SET_FIELD(shm_id);
658 0 : SET_FIELD(shutdown_cb);
659 0 : SET_FIELD(enable_coredump);
660 0 : SET_FIELD(mem_channel);
661 0 : SET_FIELD(main_core);
662 0 : SET_FIELD(mem_size);
663 0 : SET_FIELD(no_pci);
664 0 : SET_FIELD(hugepage_single_segments);
665 0 : SET_FIELD(unlink_hugepage);
666 0 : SET_FIELD(no_huge);
667 0 : SET_FIELD(hugedir);
668 0 : SET_FIELD(print_level);
669 0 : SET_FIELD(num_pci_addr);
670 0 : SET_FIELD(pci_blocked);
671 0 : SET_FIELD(pci_allowed);
672 0 : SET_FIELD(iova_mode);
673 0 : SET_FIELD(delay_subsystem_init);
674 0 : SET_FIELD(num_entries);
675 0 : SET_FIELD(env_context);
676 0 : SET_FIELD(log);
677 0 : SET_FIELD(base_virtaddr);
678 0 : SET_FIELD(disable_signal_handlers);
679 0 : SET_FIELD(interrupt_mode);
680 0 : SET_FIELD(enforce_numa);
681 0 : SET_FIELD(msg_mempool_size);
682 0 : SET_FIELD(rpc_allowlist);
683 0 : SET_FIELD(vf_token);
684 0 : SET_FIELD(rpc_log_file);
685 0 : SET_FIELD(rpc_log_level);
686 0 : SET_FIELD(json_data);
687 0 : SET_FIELD(json_data_size);
688 0 : SET_FIELD(disable_cpumask_locks);
689 :
690 : /* You should not remove this statement, but need to update the assert statement
691 : * if you add a new field, and also add a corresponding SET_FIELD statement */
692 : SPDK_STATIC_ASSERT(sizeof(struct spdk_app_opts) == 253, "Incorrect size");
693 :
694 : #undef SET_FIELD
695 0 : }
696 :
697 : static int
698 0 : unclaim_cpu_cores(uint32_t *failed_core)
699 : {
700 0 : char core_name[40];
701 : uint32_t i;
702 : int rc;
703 :
704 0 : for (i = 0; i < SPDK_CONFIG_MAX_LCORES; i++) {
705 0 : if (g_core_locks[i] != -1) {
706 0 : snprintf(core_name, sizeof(core_name), "/var/tmp/spdk_cpu_lock_%03d", i);
707 0 : rc = close(g_core_locks[i]);
708 0 : if (rc) {
709 0 : SPDK_ERRLOG("Failed to close lock fd for core %d, errno: %d\n", i, errno);
710 0 : goto error;
711 : }
712 :
713 0 : g_core_locks[i] = -1;
714 0 : rc = unlink(core_name);
715 0 : if (rc) {
716 0 : SPDK_ERRLOG("Failed to unlink lock fd for core %d, errno: %d\n", i, errno);
717 0 : goto error;
718 : }
719 : }
720 : }
721 :
722 0 : return 0;
723 :
724 0 : error:
725 0 : if (failed_core != NULL) {
726 : /* Set number of core we failed to claim. */
727 0 : *failed_core = i;
728 : }
729 0 : return -1;
730 : }
731 :
732 : static int
733 0 : claim_cpu_cores(uint32_t *failed_core)
734 : {
735 0 : char core_name[40];
736 : int core_fd, pid;
737 : int *core_map;
738 : uint32_t core;
739 :
740 0 : struct flock core_lock = {
741 : .l_type = F_WRLCK,
742 : .l_whence = SEEK_SET,
743 : .l_start = 0,
744 : .l_len = 0,
745 : };
746 :
747 0 : SPDK_ENV_FOREACH_CORE(core) {
748 0 : if (g_core_locks[core] != -1) {
749 : /* If this core is locked already, do not try lock it again. */
750 0 : continue;
751 : }
752 :
753 0 : snprintf(core_name, sizeof(core_name), "/var/tmp/spdk_cpu_lock_%03d", core);
754 0 : core_fd = open(core_name, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
755 0 : if (core_fd == -1) {
756 0 : SPDK_ERRLOG("Could not open %s (%s).\n", core_name, spdk_strerror(errno));
757 : /* Return number of core we failed to claim. */
758 0 : goto error;
759 : }
760 :
761 0 : if (ftruncate(core_fd, sizeof(int)) != 0) {
762 0 : SPDK_ERRLOG("Could not truncate %s (%s).\n", core_name, spdk_strerror(errno));
763 0 : close(core_fd);
764 0 : goto error;
765 : }
766 :
767 0 : core_map = mmap(NULL, sizeof(int), PROT_READ | PROT_WRITE, MAP_SHARED, core_fd, 0);
768 0 : if (core_map == MAP_FAILED) {
769 0 : SPDK_ERRLOG("Could not mmap core %s (%s).\n", core_name, spdk_strerror(errno));
770 0 : close(core_fd);
771 0 : goto error;
772 : }
773 :
774 0 : if (fcntl(core_fd, F_SETLK, &core_lock) != 0) {
775 0 : pid = *core_map;
776 0 : SPDK_ERRLOG("Cannot create lock on core %" PRIu32 ", probably process %d has claimed it.\n",
777 : core, pid);
778 0 : munmap(core_map, sizeof(int));
779 0 : close(core_fd);
780 0 : goto error;
781 : }
782 :
783 : /* We write the PID to the core lock file so that other processes trying
784 : * to claim the same core will know what process is holding the lock. */
785 0 : *core_map = (int)getpid();
786 0 : munmap(core_map, sizeof(int));
787 0 : g_core_locks[core] = core_fd;
788 : /* Keep core_fd open to maintain the lock. */
789 : }
790 :
791 0 : return 0;
792 :
793 0 : error:
794 0 : if (failed_core != NULL) {
795 : /* Set number of core we failed to claim. */
796 0 : *failed_core = core;
797 : }
798 0 : unclaim_cpu_cores(NULL);
799 0 : return -1;
800 : }
801 :
802 : int
803 0 : spdk_app_start(struct spdk_app_opts *opts_user, spdk_msg_fn start_fn,
804 : void *arg1)
805 : {
806 : int rc;
807 : char *tty;
808 0 : struct spdk_cpuset tmp_cpumask = {};
809 : static bool g_env_was_setup = false;
810 0 : struct spdk_app_opts opts_local = {};
811 0 : struct spdk_app_opts *opts = &opts_local;
812 : uint32_t i, core;
813 :
814 0 : if (!opts_user) {
815 0 : SPDK_ERRLOG("opts_user should not be NULL\n");
816 0 : return 1;
817 : }
818 :
819 0 : if (!opts_user->opts_size) {
820 0 : SPDK_ERRLOG("The opts_size in opts_user structure should not be zero value\n");
821 0 : return 1;
822 : }
823 :
824 0 : if (opts_user->name == NULL) {
825 0 : SPDK_ERRLOG("spdk_app_opts::name not specified\n");
826 0 : return 1;
827 : }
828 :
829 0 : app_copy_opts(opts, opts_user, opts_user->opts_size);
830 :
831 0 : if (!start_fn) {
832 0 : SPDK_ERRLOG("start_fn should not be NULL\n");
833 0 : return 1;
834 : }
835 :
836 0 : if (!opts->rpc_addr && opts->delay_subsystem_init) {
837 0 : SPDK_ERRLOG("Cannot use '--wait-for-rpc' if no RPC server is going to be started.\n");
838 0 : return 1;
839 : }
840 :
841 0 : if (!(opts->lcore_map || opts->reactor_mask)) {
842 : /* Set default CPU mask */
843 0 : opts->reactor_mask = SPDK_APP_DPDK_DEFAULT_CORE_MASK;
844 : }
845 :
846 0 : tty = ttyname(STDERR_FILENO);
847 0 : if (opts->print_level > SPDK_LOG_WARN &&
848 0 : isatty(STDERR_FILENO) &&
849 0 : tty &&
850 0 : !strncmp(tty, "/dev/tty", strlen("/dev/tty"))) {
851 0 : printf("Warning: printing stderr to console terminal without -q option specified.\n");
852 0 : printf("Suggest using --silence-noticelog to disable logging to stderr and\n");
853 0 : printf("monitor syslog, or redirect stderr to a file.\n");
854 0 : printf("(Delaying for 10 seconds...)\n");
855 0 : sleep(10);
856 : }
857 :
858 0 : spdk_log_set_print_level(opts->print_level);
859 :
860 : #ifndef SPDK_NO_RLIMIT
861 0 : if (opts->enable_coredump) {
862 0 : struct rlimit core_limits;
863 :
864 0 : core_limits.rlim_cur = core_limits.rlim_max = SPDK_APP_DEFAULT_CORE_LIMIT;
865 0 : setrlimit(RLIMIT_CORE, &core_limits);
866 : }
867 : #endif
868 :
869 0 : if (opts->interrupt_mode) {
870 0 : spdk_interrupt_mode_enable();
871 : }
872 :
873 0 : memset(&g_spdk_app, 0, sizeof(g_spdk_app));
874 :
875 0 : g_spdk_app.json_config_ignore_errors = opts->json_config_ignore_errors;
876 0 : g_spdk_app.rpc_addr = opts->rpc_addr;
877 0 : g_spdk_app.rpc_allowlist = opts->rpc_allowlist;
878 0 : g_spdk_app.rpc_log_file = opts->rpc_log_file;
879 0 : g_spdk_app.rpc_log_level = opts->rpc_log_level;
880 0 : g_spdk_app.shm_id = opts->shm_id;
881 0 : g_spdk_app.shutdown_cb = opts->shutdown_cb;
882 0 : g_spdk_app.rc = 0;
883 0 : g_spdk_app.stopped = false;
884 :
885 0 : spdk_log_set_level(SPDK_APP_DEFAULT_LOG_LEVEL);
886 :
887 : /* Pass NULL to app_setup_env if SPDK app has been set up, in order to
888 : * indicate that this is a reinitialization.
889 : */
890 0 : if (app_setup_env(g_env_was_setup ? NULL : opts) < 0) {
891 0 : return 1;
892 : }
893 :
894 : /* Calculate mempool size now that the env layer has configured the core count
895 : * for the application */
896 0 : calculate_mempool_size(opts, opts_user);
897 :
898 0 : spdk_log_open(opts->log);
899 :
900 : /* Initialize each lock to -1 to indicate "empty" status */
901 0 : for (i = 0; i < SPDK_CONFIG_MAX_LCORES; i++) {
902 0 : g_core_locks[i] = -1;
903 : }
904 :
905 0 : if (!opts->disable_cpumask_locks) {
906 0 : if (claim_cpu_cores(NULL)) {
907 0 : SPDK_ERRLOG("Unable to acquire lock on assigned core mask - exiting.\n");
908 0 : return 1;
909 : }
910 : } else {
911 0 : SPDK_NOTICELOG("CPU core locks deactivated.\n");
912 : }
913 :
914 0 : SPDK_NOTICELOG("Total cores available: %d\n", spdk_env_get_core_count());
915 :
916 0 : if ((rc = spdk_reactors_init(opts->msg_mempool_size)) != 0) {
917 0 : SPDK_ERRLOG("Reactor Initialization failed: rc = %d\n", rc);
918 0 : return 1;
919 : }
920 :
921 0 : spdk_cpuset_set_cpu(&tmp_cpumask, spdk_env_get_current_core(), true);
922 :
923 : /* Now that the reactors have been initialized, we can create the app thread. */
924 0 : spdk_thread_create("app_thread", &tmp_cpumask);
925 0 : if (!spdk_thread_get_app_thread()) {
926 0 : SPDK_ERRLOG("Unable to create an spdk_thread for initialization\n");
927 0 : return 1;
928 : }
929 :
930 0 : SPDK_ENV_FOREACH_CORE(core) {
931 0 : rc = init_proc_stat(core);
932 0 : if (rc) {
933 0 : SPDK_NOTICELOG("Unable to parse /proc/stat [core: %d].\n", core);
934 : }
935 : }
936 : /*
937 : * Disable and ignore trace setup if setting num_entries
938 : * to be 0.
939 : *
940 : * Note the call to app_setup_trace() is located here
941 : * ahead of app_setup_signal_handlers().
942 : * That's because there is not an easy/direct clean
943 : * way of unwinding alloc'd resources that can occur
944 : * in app_setup_signal_handlers().
945 : */
946 0 : if (opts->num_entries != 0 && app_setup_trace(opts) != 0) {
947 0 : return 1;
948 : }
949 :
950 0 : if (!opts->disable_signal_handlers && app_setup_signal_handlers(opts) != 0) {
951 0 : return 1;
952 : }
953 :
954 0 : g_delay_subsystem_init = opts->delay_subsystem_init;
955 0 : g_start_fn = start_fn;
956 0 : g_start_arg = arg1;
957 :
958 0 : if (opts->json_config_file != NULL) {
959 0 : if (opts->json_data) {
960 0 : SPDK_ERRLOG("App opts json_config_file and json_data are mutually exclusive\n");
961 0 : return 1;
962 : }
963 :
964 0 : g_spdk_app.json_data = spdk_posix_file_load_from_name(opts->json_config_file,
965 : &g_spdk_app.json_data_size);
966 0 : if (!g_spdk_app.json_data) {
967 0 : SPDK_ERRLOG("Read JSON configuration file %s failed: %s\n",
968 : opts->json_config_file, spdk_strerror(errno));
969 0 : return 1;
970 : }
971 0 : } else if (opts->json_data) {
972 0 : g_spdk_app.json_data = calloc(1, opts->json_data_size);
973 0 : if (!g_spdk_app.json_data) {
974 0 : SPDK_ERRLOG("Failed to allocate JSON data buffer\n");
975 0 : return 1;
976 : }
977 :
978 0 : memcpy(g_spdk_app.json_data, opts->json_data, opts->json_data_size);
979 0 : g_spdk_app.json_data_size = opts->json_data_size;
980 : }
981 :
982 0 : spdk_thread_send_msg(spdk_thread_get_app_thread(), bootstrap_fn, NULL);
983 :
984 : /* This blocks until spdk_app_stop is called */
985 0 : spdk_reactors_start();
986 :
987 0 : g_env_was_setup = true;
988 :
989 0 : return g_spdk_app.rc;
990 : }
991 :
992 : void
993 0 : spdk_app_fini(void)
994 : {
995 0 : spdk_trace_cleanup();
996 0 : spdk_reactors_fini();
997 0 : spdk_env_fini();
998 0 : spdk_log_close();
999 0 : unclaim_cpu_cores(NULL);
1000 0 : }
1001 :
1002 : static void
1003 0 : subsystem_fini_done(void *arg1)
1004 : {
1005 0 : spdk_rpc_finish();
1006 0 : spdk_reactors_stop(NULL);
1007 0 : }
1008 :
1009 : static void
1010 0 : _start_subsystem_fini(void *arg1)
1011 : {
1012 0 : if (g_scheduling_in_progress) {
1013 0 : spdk_thread_send_msg(spdk_thread_get_app_thread(), _start_subsystem_fini, NULL);
1014 0 : return;
1015 : }
1016 :
1017 0 : spdk_subsystem_fini(subsystem_fini_done, NULL);
1018 : }
1019 :
1020 : static int
1021 0 : log_deprecation_hits(void *ctx, struct spdk_deprecation *dep)
1022 : {
1023 0 : uint64_t hits = spdk_deprecation_get_hits(dep);
1024 :
1025 0 : if (hits == 0) {
1026 0 : return 0;
1027 : }
1028 :
1029 0 : SPDK_WARNLOG("%s: deprecation '%s' scheduled for removal in %s hit %" PRIu64 " times\n",
1030 : spdk_deprecation_get_tag(dep), spdk_deprecation_get_description(dep),
1031 : spdk_deprecation_get_remove_release(dep), hits);
1032 0 : return 0;
1033 : }
1034 :
1035 : static void
1036 0 : app_stop(void *arg1)
1037 : {
1038 0 : free(g_spdk_app.json_data);
1039 :
1040 0 : if (g_spdk_app.rc == 0) {
1041 0 : g_spdk_app.rc = (int)(intptr_t)arg1;
1042 : }
1043 :
1044 0 : if (g_spdk_app.stopped) {
1045 0 : SPDK_NOTICELOG("spdk_app_stop called twice\n");
1046 0 : return;
1047 : }
1048 :
1049 0 : g_spdk_app.stopped = true;
1050 0 : spdk_log_for_each_deprecation(NULL, log_deprecation_hits);
1051 0 : _start_subsystem_fini(NULL);
1052 : }
1053 :
1054 : void
1055 0 : spdk_app_stop(int rc)
1056 : {
1057 0 : if (rc) {
1058 0 : SPDK_WARNLOG("spdk_app_stop'd on non-zero\n");
1059 : }
1060 :
1061 : /*
1062 : * We want to run spdk_subsystem_fini() from the same thread where spdk_subsystem_init()
1063 : * was called.
1064 : */
1065 0 : spdk_thread_send_msg(spdk_thread_get_app_thread(), app_stop, (void *)(intptr_t)rc);
1066 0 : }
1067 :
1068 : static void
1069 3 : usage_memory_size(void)
1070 : {
1071 : #ifndef __linux__
1072 : if (g_default_opts.mem_size <= 0) {
1073 : printf("all hugepage memory)\n");
1074 : } else
1075 : #endif
1076 : {
1077 3 : printf("%dMB)\n", g_default_opts.mem_size >= 0 ? g_default_opts.mem_size : 0);
1078 : }
1079 3 : }
1080 :
1081 : static void
1082 3 : usage(void (*app_usage)(void))
1083 : {
1084 3 : printf("%s [options]\n", g_executable_name);
1085 : /* Keep entries inside categories roughly sorted by frequency of use. */
1086 3 : printf("\nCPU options:\n");
1087 3 : printf(" -m, --cpumask <mask or list> core mask (like 0xF) or core list of '[]' embraced for DPDK\n");
1088 3 : printf(" (like [0,1,10])\n");
1089 3 : printf(" --lcores <list> lcore to CPU mapping list. The list is in the format:\n");
1090 3 : printf(" <lcores[@CPUs]>[<,lcores[@CPUs]>...]\n");
1091 3 : printf(" lcores and cpus list are grouped by '(' and ')', e.g '--lcores \"(5-7)@(10-12)\"'\n");
1092 3 : printf(" Within the group, '-' is used for range separator,\n");
1093 3 : printf(" ',' is used for single number separator.\n");
1094 3 : printf(" '( )' can be omitted for single element group,\n");
1095 3 : printf(" '@' can be omitted if cpus and lcores have the same value\n");
1096 3 : printf(" --disable-cpumask-locks Disable CPU core lock files.\n");
1097 3 : printf(" --interrupt-mode set app to interrupt mode (Warning: CPU usage will be reduced only if all\n");
1098 3 : printf(" pollers in the app support interrupt mode)\n");
1099 3 : printf(" -p, --main-core <id> main (primary) core for DPDK\n");
1100 :
1101 3 : printf("\nConfiguration options:\n");
1102 3 : printf(" -c, --config, --json <config> JSON config file\n");
1103 3 : printf(" -r, --rpc-socket <path> RPC listen address (default %s)\n", SPDK_DEFAULT_RPC_ADDR);
1104 3 : printf(" --no-rpc-server skip RPC server initialization. This option ignores '--rpc-socket' value.\n");
1105 3 : printf(" --wait-for-rpc wait for RPCs to initialize subsystems\n");
1106 3 : printf(" --rpcs-allowed comma-separated list of permitted RPCS\n");
1107 3 : printf(" --json-ignore-init-errors don't exit on invalid config entry\n");
1108 :
1109 3 : printf("\nMemory options:\n");
1110 3 : printf(" --iova-mode <pa/va> set IOVA mode ('pa' for IOVA_PA and 'va' for IOVA_VA)\n");
1111 3 : printf(" --base-virtaddr <addr> the base virtual address for DPDK (default: 0x200000000000)\n");
1112 3 : printf(" --huge-dir <path> use a specific hugetlbfs mount to reserve memory from\n");
1113 3 : printf(" -R, --huge-unlink unlink huge files after initialization\n");
1114 3 : printf(" -n, --mem-channels <num> number of memory channels used for DPDK\n");
1115 3 : printf(" -s, --mem-size <size> memory size in MB for DPDK (default: ");
1116 3 : usage_memory_size();
1117 3 : printf(" --msg-mempool-size <size> global message memory pool size in count (default: %d)\n",
1118 : SPDK_DEFAULT_MSG_MEMPOOL_SIZE);
1119 3 : printf(" --no-huge run without using hugepages\n");
1120 3 : printf(" --enforce-numa enforce NUMA allocations from the correct socket\n");
1121 3 : printf(" -i, --shm-id <id> shared memory ID (optional)\n");
1122 3 : printf(" -g, --single-file-segments force creating just one hugetlbfs file\n");
1123 :
1124 3 : printf("\nPCI options:\n");
1125 3 : printf(" -A, --pci-allowed <bdf> pci addr to allow (-B and -A cannot be used at the same time)\n");
1126 3 : printf(" -B, --pci-blocked <bdf> pci addr to block (can be used more than once)\n");
1127 3 : printf(" -u, --no-pci disable PCI access\n");
1128 3 : printf(" --vfio-vf-token VF token (UUID) shared between SR-IOV PF and VFs for vfio_pci driver\n");
1129 :
1130 3 : printf("\nLog options:\n");
1131 3 : spdk_log_usage(stdout, "-L");
1132 3 : printf(" --silence-noticelog disable notice level logging to stderr\n");
1133 :
1134 3 : printf("\nTrace options:\n");
1135 3 : printf(" --num-trace-entries <num> number of trace entries for each core, must be power of 2,\n");
1136 3 : printf(" setting 0 to disable trace (default %d)\n",
1137 : SPDK_APP_DEFAULT_NUM_TRACE_ENTRIES);
1138 3 : printf(" Tracepoints vary in size and can use more than one trace entry.\n");
1139 3 : spdk_trace_mask_usage(stdout, "-e");
1140 :
1141 3 : printf("\nOther options:\n");
1142 3 : printf(" -h, --help show this usage\n");
1143 3 : printf(" -v, --version print SPDK version\n");
1144 3 : printf(" -d, --limit-coredump do not set max coredump size to RLIM_INFINITY\n");
1145 3 : printf(" --env-context Opaque context for use of the env implementation\n");
1146 :
1147 3 : if (app_usage) {
1148 0 : printf("\nApplication specific:\n");
1149 0 : app_usage();
1150 : }
1151 3 : }
1152 :
1153 : spdk_app_parse_args_rvals_t
1154 8 : spdk_app_parse_args(int argc, char **argv, struct spdk_app_opts *opts,
1155 : const char *app_getopt_str, const struct option *app_long_opts,
1156 : int (*app_parse)(int ch, char *arg),
1157 : void (*app_usage)(void))
1158 : {
1159 8 : int ch, rc, opt_idx, global_long_opts_len, app_long_opts_len;
1160 : struct option *cmdline_options;
1161 8 : char *cmdline_short_opts = NULL;
1162 8 : char *shm_id_str = NULL;
1163 8 : enum spdk_app_parse_args_rvals retval = SPDK_APP_PARSE_ARGS_FAIL;
1164 : long int tmp;
1165 :
1166 8 : memcpy(&g_default_opts, opts, sizeof(g_default_opts));
1167 :
1168 8 : if (opts->json_config_file && access(opts->json_config_file, R_OK) != 0) {
1169 0 : SPDK_WARNLOG("Can't read JSON configuration file '%s'\n", opts->json_config_file);
1170 0 : opts->json_config_file = NULL;
1171 : }
1172 :
1173 8 : if (app_long_opts == NULL) {
1174 7 : app_long_opts_len = 0;
1175 : } else {
1176 1 : for (app_long_opts_len = 0;
1177 2 : app_long_opts[app_long_opts_len].name != NULL;
1178 1 : app_long_opts_len++);
1179 : }
1180 :
1181 8 : global_long_opts_len = SPDK_COUNTOF(g_cmdline_options);
1182 :
1183 8 : cmdline_options = calloc(global_long_opts_len + app_long_opts_len + 1, sizeof(*cmdline_options));
1184 8 : if (!cmdline_options) {
1185 0 : SPDK_ERRLOG("Out of memory\n");
1186 0 : return SPDK_APP_PARSE_ARGS_FAIL;
1187 : }
1188 :
1189 8 : memcpy(&cmdline_options[0], g_cmdline_options, sizeof(g_cmdline_options));
1190 8 : if (app_long_opts) {
1191 1 : memcpy(&cmdline_options[global_long_opts_len], app_long_opts,
1192 : app_long_opts_len * sizeof(*app_long_opts));
1193 : }
1194 :
1195 8 : if (app_getopt_str != NULL) {
1196 8 : ch = app_opts_validate(app_getopt_str);
1197 8 : if (ch) {
1198 1 : SPDK_ERRLOG("Duplicated option '%c' between app-specific command line parameter and generic spdk opts.\n",
1199 : ch);
1200 1 : goto out;
1201 : }
1202 :
1203 7 : if (!app_parse) {
1204 0 : SPDK_ERRLOG("Parse function is required when app-specific command line parameters are provided.\n");
1205 0 : goto out;
1206 : }
1207 : }
1208 :
1209 7 : cmdline_short_opts = spdk_sprintf_alloc("%s%s", app_getopt_str, SPDK_APP_GETOPT_STRING);
1210 7 : if (!cmdline_short_opts) {
1211 0 : SPDK_ERRLOG("Out of memory\n");
1212 0 : goto out;
1213 : }
1214 :
1215 7 : g_executable_name = argv[0];
1216 :
1217 26 : while ((ch = getopt_long(argc, argv, cmdline_short_opts, cmdline_options, &opt_idx)) != -1) {
1218 23 : switch (ch) {
1219 3 : case CONFIG_FILE_OPT_IDX:
1220 : case JSON_CONFIG_OPT_IDX:
1221 3 : opts->json_config_file = optarg;
1222 3 : break;
1223 0 : case JSON_CONFIG_IGNORE_INIT_ERRORS_IDX:
1224 0 : opts->json_config_ignore_errors = true;
1225 0 : break;
1226 5 : case LIMIT_COREDUMP_OPT_IDX:
1227 5 : opts->enable_coredump = false;
1228 5 : break;
1229 0 : case TPOINT_GROUP_OPT_IDX:
1230 0 : opts->tpoint_group_mask = optarg;
1231 0 : break;
1232 3 : case SINGLE_FILE_SEGMENTS_OPT_IDX:
1233 3 : opts->hugepage_single_segments = true;
1234 3 : break;
1235 0 : case HELP_OPT_IDX:
1236 0 : usage(app_usage);
1237 0 : retval = SPDK_APP_PARSE_ARGS_HELP;
1238 0 : goto out;
1239 0 : case SHM_ID_OPT_IDX:
1240 0 : shm_id_str = optarg;
1241 : /* a negative shm-id disables shared configuration file */
1242 0 : if (optarg[0] == '-') {
1243 0 : shm_id_str++;
1244 : }
1245 : /* check if the positive value of provided shm_id can be parsed as
1246 : * an integer
1247 : */
1248 0 : opts->shm_id = spdk_strtol(shm_id_str, 0);
1249 0 : if (opts->shm_id < 0) {
1250 0 : SPDK_ERRLOG("Invalid shared memory ID %s\n", optarg);
1251 0 : goto out;
1252 : }
1253 0 : if (optarg[0] == '-') {
1254 0 : opts->shm_id = -opts->shm_id;
1255 : }
1256 0 : break;
1257 0 : case CPUMASK_OPT_IDX:
1258 0 : if (opts->lcore_map) {
1259 0 : SPDK_ERRLOG("lcore map and core mask can't be set simultaneously\n");
1260 0 : goto out;
1261 : }
1262 0 : opts->reactor_mask = optarg;
1263 0 : break;
1264 0 : case LCORES_OPT_IDX:
1265 0 : if (opts->reactor_mask) {
1266 0 : SPDK_ERRLOG("lcore map and core mask can't be set simultaneously\n");
1267 0 : goto out;
1268 : }
1269 0 : opts->lcore_map = optarg;
1270 0 : break;
1271 0 : case DISABLE_CPUMASK_LOCKS_OPT_IDX:
1272 0 : opts->disable_cpumask_locks = true;
1273 0 : break;
1274 0 : case MEM_CHANNELS_OPT_IDX:
1275 0 : opts->mem_channel = spdk_strtol(optarg, 0);
1276 0 : if (opts->mem_channel < 0) {
1277 0 : SPDK_ERRLOG("Invalid memory channel %s\n", optarg);
1278 0 : goto out;
1279 : }
1280 0 : break;
1281 3 : case MAIN_CORE_OPT_IDX:
1282 3 : opts->main_core = spdk_strtol(optarg, 0);
1283 3 : if (opts->main_core < 0) {
1284 1 : SPDK_ERRLOG("Invalid main core %s\n", optarg);
1285 1 : goto out;
1286 : }
1287 2 : break;
1288 0 : case SILENCE_NOTICELOG_OPT_IDX:
1289 0 : opts->print_level = SPDK_LOG_WARN;
1290 0 : break;
1291 2 : case RPC_SOCKET_OPT_IDX:
1292 2 : opts->rpc_addr = optarg;
1293 2 : break;
1294 0 : case NO_RPC_SERVER_OPT_IDX:
1295 0 : opts->rpc_addr = NULL;
1296 0 : break;
1297 0 : case ENFORCE_NUMA_OPT_IDX:
1298 0 : opts->enforce_numa = true;
1299 0 : break;
1300 0 : case MEM_SIZE_OPT_IDX: {
1301 0 : uint64_t mem_size_mb;
1302 0 : bool mem_size_has_prefix;
1303 :
1304 0 : rc = spdk_parse_capacity(optarg, &mem_size_mb, &mem_size_has_prefix);
1305 0 : if (rc != 0) {
1306 0 : SPDK_ERRLOG("invalid memory pool size `-s %s`\n", optarg);
1307 0 : usage(app_usage);
1308 0 : goto out;
1309 : }
1310 :
1311 0 : if (mem_size_has_prefix) {
1312 : /* the mem size is in MB by default, so if a prefix was
1313 : * specified, we need to manually convert to MB.
1314 : */
1315 0 : mem_size_mb /= 1024 * 1024;
1316 : }
1317 :
1318 0 : if (mem_size_mb > INT_MAX) {
1319 0 : SPDK_ERRLOG("invalid memory pool size `-s %s`\n", optarg);
1320 0 : usage(app_usage);
1321 0 : goto out;
1322 : }
1323 :
1324 0 : opts->mem_size = (int) mem_size_mb;
1325 0 : break;
1326 : }
1327 0 : case MSG_MEMPOOL_SIZE_OPT_IDX:
1328 0 : tmp = spdk_strtol(optarg, 10);
1329 0 : if (tmp <= 0) {
1330 0 : SPDK_ERRLOG("Invalid message memory pool size %s\n", optarg);
1331 0 : goto out;
1332 : }
1333 :
1334 0 : opts->msg_mempool_size = (size_t)tmp;
1335 0 : break;
1336 :
1337 0 : case NO_PCI_OPT_IDX:
1338 0 : opts->no_pci = true;
1339 0 : break;
1340 0 : case WAIT_FOR_RPC_OPT_IDX:
1341 0 : opts->delay_subsystem_init = true;
1342 0 : break;
1343 2 : case PCI_BLOCKED_OPT_IDX:
1344 2 : if (opts->pci_allowed) {
1345 0 : free(opts->pci_allowed);
1346 0 : opts->pci_allowed = NULL;
1347 0 : SPDK_ERRLOG("-B and -A cannot be used at the same time\n");
1348 0 : usage(app_usage);
1349 0 : goto out;
1350 : }
1351 :
1352 2 : rc = app_opts_add_pci_addr(opts, &opts->pci_blocked, optarg);
1353 2 : if (rc != 0) {
1354 0 : free(opts->pci_blocked);
1355 0 : opts->pci_blocked = NULL;
1356 0 : goto out;
1357 : }
1358 2 : break;
1359 :
1360 0 : case NO_HUGE_OPT_IDX:
1361 0 : opts->no_huge = true;
1362 0 : break;
1363 :
1364 0 : case LOGFLAG_OPT_IDX:
1365 0 : rc = spdk_log_set_flag(optarg);
1366 0 : if (rc < 0) {
1367 0 : SPDK_ERRLOG("unknown flag: %s\n", optarg);
1368 0 : usage(app_usage);
1369 0 : goto out;
1370 : }
1371 : #ifdef DEBUG
1372 0 : opts->print_level = SPDK_LOG_DEBUG;
1373 : #endif
1374 0 : break;
1375 0 : case HUGE_UNLINK_OPT_IDX:
1376 0 : opts->unlink_hugepage = true;
1377 0 : break;
1378 1 : case PCI_ALLOWED_OPT_IDX:
1379 1 : if (opts->pci_blocked) {
1380 1 : free(opts->pci_blocked);
1381 1 : opts->pci_blocked = NULL;
1382 1 : SPDK_ERRLOG("-B and -W cannot be used at the same time\n");
1383 1 : usage(app_usage);
1384 1 : goto out;
1385 : }
1386 :
1387 0 : rc = app_opts_add_pci_addr(opts, &opts->pci_allowed, optarg);
1388 0 : if (rc != 0) {
1389 0 : free(opts->pci_allowed);
1390 0 : opts->pci_allowed = NULL;
1391 0 : goto out;
1392 : }
1393 0 : break;
1394 0 : case BASE_VIRTADDR_OPT_IDX:
1395 0 : tmp = spdk_strtoll(optarg, 0);
1396 0 : if (tmp <= 0) {
1397 0 : SPDK_ERRLOG("Invalid base-virtaddr %s\n", optarg);
1398 0 : usage(app_usage);
1399 0 : goto out;
1400 : }
1401 0 : opts->base_virtaddr = (uint64_t)tmp;
1402 0 : break;
1403 0 : case HUGE_DIR_OPT_IDX:
1404 0 : opts->hugedir = optarg;
1405 0 : break;
1406 0 : case IOVA_MODE_OPT_IDX:
1407 0 : opts->iova_mode = optarg;
1408 0 : break;
1409 0 : case NUM_TRACE_ENTRIES_OPT_IDX:
1410 0 : tmp = spdk_strtoll(optarg, 0);
1411 0 : if (tmp < 0) {
1412 0 : SPDK_ERRLOG("Invalid num-trace-entries %s\n", optarg);
1413 0 : usage(app_usage);
1414 0 : goto out;
1415 : }
1416 0 : opts->num_entries = (uint64_t)tmp;
1417 0 : if (opts->num_entries > 0 && opts->num_entries & (opts->num_entries - 1)) {
1418 0 : SPDK_ERRLOG("num-trace-entries must be power of 2\n");
1419 0 : usage(app_usage);
1420 0 : goto out;
1421 : }
1422 0 : break;
1423 0 : case ENV_CONTEXT_OPT_IDX:
1424 0 : opts->env_context = optarg;
1425 0 : break;
1426 0 : case RPCS_ALLOWED_OPT_IDX:
1427 0 : opts->rpc_allowlist = (const char **)spdk_strarray_from_string(optarg, ",");
1428 0 : if (opts->rpc_allowlist == NULL) {
1429 0 : SPDK_ERRLOG("Invalid --rpcs-allowed argument\n");
1430 0 : usage(app_usage);
1431 0 : goto out;
1432 : }
1433 0 : break;
1434 0 : case ENV_VF_TOKEN_OPT_IDX:
1435 0 : opts->vf_token = optarg;
1436 0 : break;
1437 0 : case INTERRUPT_MODE_OPT_IDX:
1438 0 : opts->interrupt_mode = true;
1439 0 : break;
1440 0 : case VERSION_OPT_IDX:
1441 0 : printf(SPDK_VERSION_STRING"\n");
1442 0 : retval = SPDK_APP_PARSE_ARGS_HELP;
1443 0 : goto out;
1444 2 : case '?':
1445 : /*
1446 : * In the event getopt() above detects an option
1447 : * in argv that is NOT in the getopt_str,
1448 : * getopt() will return a '?' indicating failure.
1449 : */
1450 2 : usage(app_usage);
1451 2 : goto out;
1452 2 : default:
1453 2 : if (!app_parse) {
1454 0 : SPDK_ERRLOG("Unsupported app-specific command line parameter '%c'.\n", ch);
1455 0 : goto out;
1456 : }
1457 :
1458 2 : rc = app_parse(ch, optarg);
1459 2 : if (rc) {
1460 0 : SPDK_ERRLOG("Parsing app-specific command line parameter '%c' failed: %d\n", ch, rc);
1461 0 : goto out;
1462 : }
1463 : }
1464 : }
1465 :
1466 3 : retval = SPDK_APP_PARSE_ARGS_SUCCESS;
1467 8 : out:
1468 8 : if (retval != SPDK_APP_PARSE_ARGS_SUCCESS) {
1469 5 : free(opts->pci_blocked);
1470 5 : opts->pci_blocked = NULL;
1471 5 : free(opts->pci_allowed);
1472 5 : opts->pci_allowed = NULL;
1473 5 : spdk_strarray_free((char **)opts->rpc_allowlist);
1474 5 : opts->rpc_allowlist = NULL;
1475 : }
1476 8 : free(cmdline_short_opts);
1477 8 : free(cmdline_options);
1478 8 : return retval;
1479 : }
1480 :
1481 : void
1482 0 : spdk_app_usage(void)
1483 : {
1484 0 : if (g_executable_name == NULL) {
1485 0 : SPDK_ERRLOG("%s not valid before calling spdk_app_parse_args()\n", __func__);
1486 0 : return;
1487 : }
1488 :
1489 0 : usage(NULL);
1490 : }
1491 :
1492 : static void
1493 0 : rpc_framework_start_init_cpl(int rc, void *arg1)
1494 : {
1495 0 : struct spdk_jsonrpc_request *request = arg1;
1496 :
1497 0 : assert(spdk_thread_is_app_thread(NULL));
1498 :
1499 0 : if (rc) {
1500 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1501 : "framework_initialization failed");
1502 0 : return;
1503 : }
1504 :
1505 0 : app_subsystem_init_done(0, NULL);
1506 :
1507 0 : spdk_jsonrpc_send_bool_response(request, true);
1508 : }
1509 :
1510 : static void
1511 0 : rpc_framework_start_init(struct spdk_jsonrpc_request *request,
1512 : const struct spdk_json_val *params)
1513 : {
1514 0 : if (params != NULL) {
1515 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
1516 : "framework_start_init requires no parameters");
1517 0 : return;
1518 : }
1519 :
1520 0 : spdk_rpc_server_pause(g_spdk_app.rpc_addr);
1521 0 : spdk_subsystem_init(rpc_framework_start_init_cpl, request);
1522 : }
1523 1 : SPDK_RPC_REGISTER("framework_start_init", rpc_framework_start_init, SPDK_RPC_STARTUP)
1524 :
1525 : struct subsystem_init_poller_ctx {
1526 : struct spdk_poller *init_poller;
1527 : struct spdk_jsonrpc_request *request;
1528 : };
1529 :
1530 : static int
1531 0 : rpc_subsystem_init_poller_ctx(void *ctx)
1532 : {
1533 0 : struct subsystem_init_poller_ctx *poller_ctx = ctx;
1534 :
1535 0 : if (spdk_rpc_get_state() == SPDK_RPC_RUNTIME) {
1536 0 : spdk_jsonrpc_send_bool_response(poller_ctx->request, true);
1537 0 : spdk_poller_unregister(&poller_ctx->init_poller);
1538 0 : free(poller_ctx);
1539 : }
1540 :
1541 0 : return SPDK_POLLER_BUSY;
1542 : }
1543 :
1544 : static void
1545 0 : rpc_framework_wait_init(struct spdk_jsonrpc_request *request,
1546 : const struct spdk_json_val *params)
1547 : {
1548 : struct subsystem_init_poller_ctx *ctx;
1549 :
1550 0 : if (spdk_rpc_get_state() == SPDK_RPC_RUNTIME) {
1551 0 : spdk_jsonrpc_send_bool_response(request, true);
1552 : } else {
1553 0 : ctx = malloc(sizeof(struct subsystem_init_poller_ctx));
1554 0 : if (ctx == NULL) {
1555 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1556 : "Unable to allocate memory for the request context\n");
1557 0 : return;
1558 : }
1559 0 : ctx->request = request;
1560 0 : ctx->init_poller = SPDK_POLLER_REGISTER(rpc_subsystem_init_poller_ctx, ctx, 0);
1561 : }
1562 : }
1563 1 : SPDK_RPC_REGISTER("framework_wait_init", rpc_framework_wait_init,
1564 : SPDK_RPC_STARTUP | SPDK_RPC_RUNTIME)
1565 :
1566 : static void
1567 0 : rpc_framework_disable_cpumask_locks(struct spdk_jsonrpc_request *request,
1568 : const struct spdk_json_val *params)
1569 : {
1570 0 : char msg[128];
1571 : int rc;
1572 0 : uint32_t failed_core;
1573 :
1574 0 : if (params != NULL) {
1575 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
1576 : "framework_disable_cpumask_locks"
1577 : "requires no arguments");
1578 0 : return;
1579 : }
1580 :
1581 0 : rc = unclaim_cpu_cores(&failed_core);
1582 0 : if (rc) {
1583 0 : snprintf(msg, sizeof(msg), "Failed to unclaim CPU core: %" PRIu32, failed_core);
1584 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, msg);
1585 0 : return;
1586 : }
1587 :
1588 0 : spdk_jsonrpc_send_bool_response(request, true);
1589 : }
1590 1 : SPDK_RPC_REGISTER("framework_disable_cpumask_locks", rpc_framework_disable_cpumask_locks,
1591 : SPDK_RPC_STARTUP | SPDK_RPC_RUNTIME)
1592 :
1593 : static void
1594 0 : rpc_framework_enable_cpumask_locks(struct spdk_jsonrpc_request *request,
1595 : const struct spdk_json_val *params)
1596 : {
1597 0 : char msg[128];
1598 : int rc;
1599 0 : uint32_t failed_core;
1600 :
1601 0 : if (params != NULL) {
1602 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
1603 : "framework_enable_cpumask_locks"
1604 : "requires no arguments");
1605 0 : return;
1606 : }
1607 :
1608 0 : rc = claim_cpu_cores(&failed_core);
1609 0 : if (rc) {
1610 0 : snprintf(msg, sizeof(msg), "Failed to claim CPU core: %" PRIu32, failed_core);
1611 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, msg);
1612 0 : return;
1613 : }
1614 :
1615 0 : spdk_jsonrpc_send_bool_response(request, true);
1616 : }
1617 1 : SPDK_RPC_REGISTER("framework_enable_cpumask_locks", rpc_framework_enable_cpumask_locks,
1618 : SPDK_RPC_STARTUP | SPDK_RPC_RUNTIME)
|