| File: | .build-ci/../libnvme/src/nvme/fabrics.c |
| Warning: | line 2483, column 18 Although the value stored to 'hid' is used in the enclosing expression, the value is never actually read from 'hid' |
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| 1 | // SPDX-License-Identifier: LGPL-2.1-or-later |
| 2 | /* |
| 3 | * This file is part of libnvme. |
| 4 | * Copyright (c) 2020 Western Digital Corporation or its affiliates. |
| 5 | * |
| 6 | * Authors: Keith Busch <keith.busch@wdc.com> |
| 7 | * Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> |
| 8 | */ |
| 9 | |
| 10 | #include <dirent.h> |
| 11 | #include <errno(*__errno_location ()).h> |
| 12 | #include <fcntl.h> |
| 13 | #include <fnmatch.h> |
| 14 | #include <ifaddrs.h> |
| 15 | #include <inttypes.h> |
| 16 | #include <limits.h> |
| 17 | #include <stdbool.h> |
| 18 | #include <stddef.h> |
| 19 | #include <stdio.h> |
| 20 | #include <stdlib.h> |
| 21 | #include <string.h> |
| 22 | #include <unistd.h> |
| 23 | |
| 24 | #include <arpa/inet.h> |
| 25 | #include <linux1/if_ether.h> |
| 26 | #include <net/if.h> |
| 27 | #include <netpacket/packet.h> |
| 28 | #include <netdb.h> |
| 29 | #include <sys/param.h> |
| 30 | #include <sys/stat.h> |
| 31 | #include <sys/types.h> |
| 32 | |
| 33 | #include <ccan/array_size/array_size.h> |
| 34 | #include <ccan/endian/endian.h> |
| 35 | #include <ccan/list/list.h> |
| 36 | #include <ccan/str/str.h> |
| 37 | |
| 38 | #include <libnvme.h> |
| 39 | |
| 40 | #include "cleanup.h" |
| 41 | #include "cleanup-linux.h" |
| 42 | #include "private.h" |
| 43 | #include "private-fabrics.h" |
| 44 | #include "compiler-attributes.h" |
| 45 | |
| 46 | const char *nvmf_dev = "/dev/nvme-fabrics"; |
| 47 | |
| 48 | static inline void free_uri(struct libnvmf_uri **uri) |
| 49 | { |
| 50 | libnvmf_uri_free(*uri); |
| 51 | } |
| 52 | #define __cleanup_uri__attribute__((cleanup(free_uri))) __cleanup(free_uri)__attribute__((cleanup(free_uri))) |
| 53 | |
| 54 | /** |
| 55 | * strchomp() - Strip trailing spaces |
| 56 | * @str: String to strip |
| 57 | * @max: Maximum length of string |
| 58 | */ |
| 59 | static void strchomp(char *str, int max) |
| 60 | { |
| 61 | int i; |
| 62 | |
| 63 | for (i = max - 1; i >= 0 && str[i] == ' '; i--) { |
| 64 | str[i] = '\0'; |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | const char *arg_str(const char * const *strings, |
| 69 | size_t array_size, size_t idx) |
| 70 | { |
| 71 | if (idx < array_size && strings[idx]) |
| 72 | return strings[idx]; |
| 73 | return "unrecognized"; |
| 74 | } |
| 75 | |
| 76 | const char * const trtypes[] = { |
| 77 | [NVMF_TRTYPE_RDMA] = "rdma", |
| 78 | [NVMF_TRTYPE_FC] = "fc", |
| 79 | [NVMF_TRTYPE_TCP] = "tcp", |
| 80 | [NVMF_TRTYPE_LOOP] = "loop", |
| 81 | }; |
| 82 | |
| 83 | __libnvme_public__attribute__((visibility("default"))) const char *libnvmf_trtype_str(__u8 trtype) |
| 84 | { |
| 85 | return arg_str(trtypes, ARRAY_SIZE(trtypes)(sizeof(trtypes) / sizeof((trtypes)[0]) + 0), trtype); |
| 86 | } |
| 87 | |
| 88 | static const char * const adrfams[] = { |
| 89 | [NVMF_ADDR_FAMILY_PCI] = "pci", |
| 90 | [NVMF_ADDR_FAMILY_IP4] = "ipv4", |
| 91 | [NVMF_ADDR_FAMILY_IP6] = "ipv6", |
| 92 | [NVMF_ADDR_FAMILY_IB] = "infiniband", |
| 93 | [NVMF_ADDR_FAMILY_FC] = "fibre-channel", |
| 94 | }; |
| 95 | |
| 96 | __libnvme_public__attribute__((visibility("default"))) const char *libnvmf_adrfam_str(__u8 adrfam) |
| 97 | { |
| 98 | return arg_str(adrfams, ARRAY_SIZE(adrfams)(sizeof(adrfams) / sizeof((adrfams)[0]) + 0), adrfam); |
| 99 | } |
| 100 | |
| 101 | static const char * const subtypes[] = { |
| 102 | [NVME_NQN_DISC] = "discovery subsystem referral", |
| 103 | [NVME_NQN_NVME] = "nvme subsystem", |
| 104 | [NVME_NQN_CURR] = "current discovery subsystem", |
| 105 | }; |
| 106 | |
| 107 | __libnvme_public__attribute__((visibility("default"))) const char *libnvmf_subtype_str(__u8 subtype) |
| 108 | { |
| 109 | return arg_str(subtypes, ARRAY_SIZE(subtypes)(sizeof(subtypes) / sizeof((subtypes)[0]) + 0), subtype); |
| 110 | } |
| 111 | |
| 112 | static const char * const treqs[] = { |
| 113 | [NVMF_TREQ_NOT_SPECIFIED] = "not specified", |
| 114 | [NVMF_TREQ_REQUIRED] = "required", |
| 115 | [NVMF_TREQ_NOT_REQUIRED] = "not required", |
| 116 | [NVMF_TREQ_NOT_SPECIFIED | |
| 117 | NVMF_TREQ_DISABLE_SQFLOW] = "not specified, " |
| 118 | "sq flow control disable supported", |
| 119 | [NVMF_TREQ_REQUIRED | |
| 120 | NVMF_TREQ_DISABLE_SQFLOW] = "required, " |
| 121 | "sq flow control disable supported", |
| 122 | [NVMF_TREQ_NOT_REQUIRED | |
| 123 | NVMF_TREQ_DISABLE_SQFLOW] = "not required, " |
| 124 | "sq flow control disable supported", |
| 125 | }; |
| 126 | |
| 127 | __libnvme_public__attribute__((visibility("default"))) const char *libnvmf_treq_str(__u8 treq) |
| 128 | { |
| 129 | return arg_str(treqs, ARRAY_SIZE(treqs)(sizeof(treqs) / sizeof((treqs)[0]) + 0), treq); |
| 130 | } |
| 131 | |
| 132 | static const char * const eflags_strings[] = { |
| 133 | [NVMF_DISC_EFLAGS_NONE] = "none", |
| 134 | [NVMF_DISC_EFLAGS_EPCSD] = "explicit discovery connections", |
| 135 | [NVMF_DISC_EFLAGS_DUPRETINFO] = "duplicate discovery information", |
| 136 | [NVMF_DISC_EFLAGS_EPCSD | |
| 137 | NVMF_DISC_EFLAGS_DUPRETINFO] = "explicit discovery connections, " |
| 138 | "duplicate discovery information", |
| 139 | [NVMF_DISC_EFLAGS_NCC] = "no cdc connectivity", |
| 140 | [NVMF_DISC_EFLAGS_EPCSD | |
| 141 | NVMF_DISC_EFLAGS_NCC] = "explicit discovery connections, " |
| 142 | "no cdc connectivity", |
| 143 | [NVMF_DISC_EFLAGS_DUPRETINFO | |
| 144 | NVMF_DISC_EFLAGS_NCC] = "duplicate discovery information, " |
| 145 | "no cdc connectivity", |
| 146 | [NVMF_DISC_EFLAGS_EPCSD | |
| 147 | NVMF_DISC_EFLAGS_DUPRETINFO | |
| 148 | NVMF_DISC_EFLAGS_NCC] = "explicit discovery connections, " |
| 149 | "duplicate discovery information, " |
| 150 | "no cdc connectivity", |
| 151 | }; |
| 152 | |
| 153 | __libnvme_public__attribute__((visibility("default"))) const char *libnvmf_eflags_str(__u16 eflags) |
| 154 | { |
| 155 | return arg_str(eflags_strings, ARRAY_SIZE(eflags_strings)(sizeof(eflags_strings) / sizeof((eflags_strings)[0]) + 0), eflags); |
| 156 | } |
| 157 | |
| 158 | static const char * const sectypes[] = { |
| 159 | [NVMF_TCP_SECTYPE_NONE] = "none", |
| 160 | [NVMF_TCP_SECTYPE_TLS] = "tls", |
| 161 | [NVMF_TCP_SECTYPE_TLS13] = "tls13", |
| 162 | }; |
| 163 | |
| 164 | __libnvme_public__attribute__((visibility("default"))) const char *libnvmf_sectype_str(__u8 sectype) |
| 165 | { |
| 166 | return arg_str(sectypes, ARRAY_SIZE(sectypes)(sizeof(sectypes) / sizeof((sectypes)[0]) + 0), sectype); |
| 167 | } |
| 168 | |
| 169 | static const char * const prtypes[] = { |
| 170 | [NVMF_RDMA_PRTYPE_NOT_SPECIFIED] = "not specified", |
| 171 | [NVMF_RDMA_PRTYPE_IB] = "infiniband", |
| 172 | [NVMF_RDMA_PRTYPE_ROCE] = "roce", |
| 173 | [NVMF_RDMA_PRTYPE_ROCEV2] = "roce-v2", |
| 174 | [NVMF_RDMA_PRTYPE_IWARP] = "iwarp", |
| 175 | }; |
| 176 | |
| 177 | __libnvme_public__attribute__((visibility("default"))) const char *libnvmf_prtype_str(__u8 prtype) |
| 178 | { |
| 179 | return arg_str(prtypes, ARRAY_SIZE(prtypes)(sizeof(prtypes) / sizeof((prtypes)[0]) + 0), prtype); |
| 180 | } |
| 181 | |
| 182 | static const char * const qptypes[] = { |
| 183 | [NVMF_RDMA_QPTYPE_CONNECTED] = "connected", |
| 184 | [NVMF_RDMA_QPTYPE_DATAGRAM] = "datagram", |
| 185 | }; |
| 186 | |
| 187 | __libnvme_public__attribute__((visibility("default"))) const char *libnvmf_qptype_str(__u8 qptype) |
| 188 | { |
| 189 | return arg_str(qptypes, ARRAY_SIZE(qptypes)(sizeof(qptypes) / sizeof((qptypes)[0]) + 0), qptype); |
| 190 | } |
| 191 | |
| 192 | static const char * const cms[] = { |
| 193 | [NVMF_RDMA_CMS_RDMA_CM] = "rdma-cm", |
| 194 | }; |
| 195 | |
| 196 | __libnvme_public__attribute__((visibility("default"))) const char *libnvmf_cms_str(__u8 cm) |
| 197 | { |
| 198 | return arg_str(cms, ARRAY_SIZE(cms)(sizeof(cms) / sizeof((cms)[0]) + 0), cm); |
| 199 | } |
| 200 | |
| 201 | void libnvmf_default_config(struct libnvme_fabrics_config *cfg) |
| 202 | { |
| 203 | cfg->tos = -1; |
| 204 | cfg->ctrl_loss_tmo = NVMF_DEF_CTRL_LOSS_TMO600; |
| 205 | } |
| 206 | |
| 207 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_context_create(struct libnvme_global_ctx *ctx, |
| 208 | bool_Bool (*decide_retry)(struct libnvmf_context *fctx, int err, |
| 209 | void *user_data), |
| 210 | void (*connected)(struct libnvmf_context *fctx, |
| 211 | struct libnvme_ctrl *c, void *user_data), |
| 212 | void (*already_connected)(struct libnvmf_context *fctx, |
| 213 | struct libnvme_host *host, const char *subsysnqn, |
| 214 | const char *transport, const char *traddr, |
| 215 | const char *trsvcid, void *user_data), |
| 216 | void *user_data, struct libnvmf_context **fctxp) |
| 217 | { |
| 218 | struct libnvmf_context *fctx; |
| 219 | |
| 220 | fctx = calloc(1, sizeof(*fctx)); |
| 221 | if (!fctx) |
| 222 | return -ENOMEM12; |
| 223 | |
| 224 | fctx->ctx = ctx; |
| 225 | |
| 226 | libnvmf_default_config(&fctx->ctrl_params.cfg); |
| 227 | |
| 228 | fctx->hooks.decide_retry = decide_retry; |
| 229 | fctx->hooks.connected = connected; |
| 230 | fctx->hooks.already_connected = already_connected; |
| 231 | |
| 232 | fctx->hooks.user_data = user_data; |
| 233 | |
| 234 | *fctxp = fctx; |
| 235 | return 0; |
| 236 | } |
| 237 | |
| 238 | __libnvme_public__attribute__((visibility("default"))) void libnvmf_context_free(struct libnvmf_context *fctx) |
| 239 | { |
| 240 | if (!fctx) |
| 241 | return; |
| 242 | |
| 243 | free(fctx->tls_key); |
| 244 | free(fctx); |
| 245 | } |
| 246 | |
| 247 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_context_set_discovery_hooks( |
| 248 | struct libnvmf_context *fctx, |
| 249 | void (*discovery_log)(struct libnvmf_context *fctx, |
| 250 | bool_Bool connect, |
| 251 | struct nvmf_discovery_log *log, |
| 252 | uint64_t numrec, void *user_data), |
| 253 | int (*parser_init)(struct libnvmf_context *fctx, |
| 254 | void *user_data), |
| 255 | void (*parser_cleanup)(struct libnvmf_context *fctx, |
| 256 | void *user_data), |
| 257 | int (*parser_next_line)(struct libnvmf_context *fctx, |
| 258 | void *user_data)) |
| 259 | { |
| 260 | fctx->hooks.discovery_log = discovery_log; |
| 261 | fctx->hooks.parser_init = parser_init; |
| 262 | fctx->hooks.parser_cleanup = parser_cleanup; |
| 263 | fctx->hooks.parser_next_line = parser_next_line; |
| 264 | |
| 265 | return 0; |
| 266 | } |
| 267 | |
| 268 | |
| 269 | |
| 270 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_context_set_connection( |
| 271 | struct libnvmf_context *fctx, const char *subsysnqn, |
| 272 | const char *transport, const char *traddr, const char *trsvcid, |
| 273 | const char *host_traddr, const char *host_iface) |
| 274 | { |
| 275 | fctx->ctrl_params.subsysnqn = subsysnqn; |
| 276 | fctx->ctrl_params.transport = transport; |
| 277 | fctx->ctrl_params.traddr = traddr; |
| 278 | fctx->ctrl_params.trsvcid = trsvcid; |
| 279 | fctx->ctrl_params.host_traddr = host_traddr; |
| 280 | fctx->ctrl_params.host_iface = host_iface; |
| 281 | |
| 282 | return 0; |
| 283 | } |
| 284 | |
| 285 | static const char *hostid_from_hostnqn(const char *hostnqn) |
| 286 | { |
| 287 | const char *match; |
| 288 | |
| 289 | if (!hostnqn) |
| 290 | return NULL((void*)0); |
| 291 | |
| 292 | match = strstr(hostnqn, "uuid:"); |
| 293 | if (!match) |
| 294 | return NULL((void*)0); |
| 295 | |
| 296 | return match + strlen("uuid:"); |
| 297 | } |
| 298 | |
| 299 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_context_set_hostnqn(struct libnvmf_context *fctx, |
| 300 | const char *hostnqn, const char *hostid) |
| 301 | { |
| 302 | fctx->hostnqn = hostnqn; |
| 303 | if (!hostid) |
| 304 | hostid = hostid_from_hostnqn(hostnqn); |
| 305 | fctx->hostid = hostid; |
| 306 | |
| 307 | return 0; |
| 308 | } |
| 309 | |
| 310 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_context_set_crypto(struct libnvmf_context *fctx, |
| 311 | const char *hostkey, const char *ctrlkey, |
| 312 | const char *keyring, const char *tls_key, |
| 313 | const char *tls_key_identity) |
| 314 | { |
| 315 | int err; |
| 316 | |
| 317 | fctx->hostkey = hostkey; |
| 318 | fctx->ctrlkey = ctrlkey; |
| 319 | fctx->keyring = keyring; |
| 320 | fctx->tls_key_identity = tls_key_identity; |
| 321 | |
| 322 | if (!tls_key) |
| 323 | return 0; |
| 324 | |
| 325 | if (!strncmp(tls_key, "pin:", 4)) { |
| 326 | __cleanup_free__attribute__((cleanup(freep))) unsigned char *raw_secret = NULL((void*)0); |
| 327 | __cleanup_free__attribute__((cleanup(freep))) char *encoded_key = NULL((void*)0); |
| 328 | int key_len = 32; |
| 329 | |
| 330 | err = libnvme_create_raw_secret(fctx->ctx, tls_key, |
| 331 | key_len, &raw_secret); |
| 332 | if (err) |
| 333 | return err; |
| 334 | |
| 335 | err = libnvme_export_tls_key(fctx->ctx, raw_secret, |
| 336 | key_len, &encoded_key); |
| 337 | if (err) |
| 338 | return err; |
| 339 | |
| 340 | fctx->tls_key = encoded_key; |
| 341 | encoded_key = NULL((void*)0); |
| 342 | return 0; |
| 343 | } |
| 344 | |
| 345 | fctx->tls_key = strdup(tls_key); |
| 346 | return 0; |
| 347 | } |
| 348 | |
| 349 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_context_set_device( |
| 350 | struct libnvmf_context *fctx, const char *device) |
| 351 | { |
| 352 | fctx->device = device; |
| 353 | |
| 354 | return 0; |
| 355 | } |
| 356 | |
| 357 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_context_set_io_queues( |
| 358 | struct libnvmf_context *fctx, int nr_io_queues, |
| 359 | int nr_write_queues, int nr_poll_queues, |
| 360 | int queue_size, bool_Bool disable_sqflow) |
| 361 | { |
| 362 | fctx->ctrl_params.cfg.nr_io_queues = nr_io_queues; |
| 363 | fctx->ctrl_params.cfg.nr_write_queues = nr_write_queues; |
| 364 | fctx->ctrl_params.cfg.nr_poll_queues = nr_poll_queues; |
| 365 | fctx->ctrl_params.cfg.queue_size = queue_size; |
| 366 | fctx->ctrl_params.cfg.disable_sqflow = disable_sqflow; |
| 367 | |
| 368 | return 0; |
| 369 | } |
| 370 | |
| 371 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_context_set_reconnect_policy( |
| 372 | struct libnvmf_context *fctx, int ctrl_loss_tmo, |
| 373 | int reconnect_delay, int fast_io_fail_tmo) |
| 374 | { |
| 375 | fctx->ctrl_params.cfg.ctrl_loss_tmo = ctrl_loss_tmo; |
| 376 | fctx->ctrl_params.cfg.reconnect_delay = reconnect_delay; |
| 377 | fctx->ctrl_params.cfg.fast_io_fail_tmo = fast_io_fail_tmo; |
| 378 | |
| 379 | return 0; |
| 380 | } |
| 381 | |
| 382 | /* |
| 383 | * Derived from Linux's supported options (the opt_tokens table) |
| 384 | * when the mechanism to report supported options was added (f18ee3d988157). |
| 385 | * Not all of these options may actually be supported, |
| 386 | * but we retain the old behavior of passing all that might be. |
| 387 | */ |
| 388 | static const struct libnvme_fabric_options default_supported_options = { |
| 389 | .ctrl_loss_tmo = true1, |
| 390 | .data_digest = true1, |
| 391 | .disable_sqflow = true1, |
| 392 | .discovery = true1, |
| 393 | .duplicate_connect = true1, |
| 394 | .fast_io_fail_tmo = true1, |
| 395 | .hdr_digest = true1, |
| 396 | .host_iface = true1, |
| 397 | .host_traddr = true1, |
| 398 | .hostid = true1, |
| 399 | .hostnqn = true1, |
| 400 | .keep_alive_tmo = true1, |
| 401 | .nqn = true1, |
| 402 | .nr_io_queues = true1, |
| 403 | .nr_poll_queues = true1, |
| 404 | .nr_write_queues = true1, |
| 405 | .queue_size = true1, |
| 406 | .reconnect_delay = true1, |
| 407 | .tos = true1, |
| 408 | .traddr = true1, |
| 409 | .transport = true1, |
| 410 | .trsvcid = true1, |
| 411 | }; |
| 412 | |
| 413 | #define MERGE_CFG_OPTION(c, n, o, d)if ((c)->o == d) (c)->o = (n)->o \ |
| 414 | if ((c)->o == d) (c)->o = (n)->o |
| 415 | static void merge_config(libnvme_ctrl_t c, |
| 416 | const struct libnvme_fabrics_config *cfg) |
| 417 | { |
| 418 | MERGE_CFG_OPTION(&c->cfg, cfg, nr_io_queues, 0)if ((&c->cfg)->nr_io_queues == 0) (&c->cfg)-> nr_io_queues = (cfg)->nr_io_queues; |
| 419 | MERGE_CFG_OPTION(&c->cfg, cfg, nr_write_queues, 0)if ((&c->cfg)->nr_write_queues == 0) (&c->cfg )->nr_write_queues = (cfg)->nr_write_queues; |
| 420 | MERGE_CFG_OPTION(&c->cfg, cfg, nr_poll_queues, 0)if ((&c->cfg)->nr_poll_queues == 0) (&c->cfg )->nr_poll_queues = (cfg)->nr_poll_queues; |
| 421 | MERGE_CFG_OPTION(&c->cfg, cfg, queue_size, 0)if ((&c->cfg)->queue_size == 0) (&c->cfg)-> queue_size = (cfg)->queue_size; |
| 422 | MERGE_CFG_OPTION(&c->cfg, cfg, keep_alive_tmo, 0)if ((&c->cfg)->keep_alive_tmo == 0) (&c->cfg )->keep_alive_tmo = (cfg)->keep_alive_tmo; |
| 423 | MERGE_CFG_OPTION(&c->cfg, cfg, reconnect_delay, 0)if ((&c->cfg)->reconnect_delay == 0) (&c->cfg )->reconnect_delay = (cfg)->reconnect_delay; |
| 424 | MERGE_CFG_OPTION(&c->cfg, cfg, ctrl_loss_tmo,if ((&c->cfg)->ctrl_loss_tmo == 600) (&c->cfg )->ctrl_loss_tmo = (cfg)->ctrl_loss_tmo |
| 425 | NVMF_DEF_CTRL_LOSS_TMO)if ((&c->cfg)->ctrl_loss_tmo == 600) (&c->cfg )->ctrl_loss_tmo = (cfg)->ctrl_loss_tmo; |
| 426 | MERGE_CFG_OPTION(&c->cfg, cfg, fast_io_fail_tmo, 0)if ((&c->cfg)->fast_io_fail_tmo == 0) (&c->cfg )->fast_io_fail_tmo = (cfg)->fast_io_fail_tmo; |
| 427 | MERGE_CFG_OPTION(&c->cfg, cfg, tos, -1)if ((&c->cfg)->tos == -1) (&c->cfg)->tos = (cfg)->tos; |
| 428 | MERGE_CFG_OPTION(&c->cfg, cfg, keyring_id, 0)if ((&c->cfg)->keyring_id == 0) (&c->cfg)-> keyring_id = (cfg)->keyring_id; |
| 429 | MERGE_CFG_OPTION(&c->cfg, cfg, tls_key_id, 0)if ((&c->cfg)->tls_key_id == 0) (&c->cfg)-> tls_key_id = (cfg)->tls_key_id; |
| 430 | MERGE_CFG_OPTION(&c->cfg, cfg, tls_configured_key_id, 0)if ((&c->cfg)->tls_configured_key_id == 0) (&c-> cfg)->tls_configured_key_id = (cfg)->tls_configured_key_id; |
| 431 | MERGE_CFG_OPTION(&c->cfg, cfg, duplicate_connect, false)if ((&c->cfg)->duplicate_connect == 0) (&c-> cfg)->duplicate_connect = (cfg)->duplicate_connect; |
| 432 | MERGE_CFG_OPTION(&c->cfg, cfg, disable_sqflow, false)if ((&c->cfg)->disable_sqflow == 0) (&c->cfg )->disable_sqflow = (cfg)->disable_sqflow; |
| 433 | MERGE_CFG_OPTION(&c->cfg, cfg, hdr_digest, false)if ((&c->cfg)->hdr_digest == 0) (&c->cfg)-> hdr_digest = (cfg)->hdr_digest; |
| 434 | MERGE_CFG_OPTION(&c->cfg, cfg, data_digest, false)if ((&c->cfg)->data_digest == 0) (&c->cfg)-> data_digest = (cfg)->data_digest; |
| 435 | MERGE_CFG_OPTION(&c->cfg, cfg, tls, false)if ((&c->cfg)->tls == 0) (&c->cfg)->tls = (cfg)->tls; |
| 436 | MERGE_CFG_OPTION(&c->cfg, cfg, concat, false)if ((&c->cfg)->concat == 0) (&c->cfg)->concat = (cfg)->concat; |
| 437 | } |
| 438 | |
| 439 | #define UPDATE_CFG_OPTION(c, n, o, d)if ((n)->o != d) (c)->o = (n)->o \ |
| 440 | if ((n)->o != d) (c)->o = (n)->o |
| 441 | static void update_config(libnvme_ctrl_t c, |
| 442 | const struct libnvme_fabrics_config *cfg) |
| 443 | { |
| 444 | UPDATE_CFG_OPTION(&c->cfg, cfg, nr_io_queues, 0)if ((cfg)->nr_io_queues != 0) (&c->cfg)->nr_io_queues = (cfg)->nr_io_queues; |
| 445 | UPDATE_CFG_OPTION(&c->cfg, cfg, nr_write_queues, 0)if ((cfg)->nr_write_queues != 0) (&c->cfg)->nr_write_queues = (cfg)->nr_write_queues; |
| 446 | UPDATE_CFG_OPTION(&c->cfg, cfg, nr_poll_queues, 0)if ((cfg)->nr_poll_queues != 0) (&c->cfg)->nr_poll_queues = (cfg)->nr_poll_queues; |
| 447 | UPDATE_CFG_OPTION(&c->cfg, cfg, queue_size, 0)if ((cfg)->queue_size != 0) (&c->cfg)->queue_size = (cfg)->queue_size; |
| 448 | UPDATE_CFG_OPTION(&c->cfg, cfg, keep_alive_tmo, 0)if ((cfg)->keep_alive_tmo != 0) (&c->cfg)->keep_alive_tmo = (cfg)->keep_alive_tmo; |
| 449 | UPDATE_CFG_OPTION(&c->cfg, cfg, reconnect_delay, 0)if ((cfg)->reconnect_delay != 0) (&c->cfg)->reconnect_delay = (cfg)->reconnect_delay; |
| 450 | UPDATE_CFG_OPTION(&c->cfg, cfg, ctrl_loss_tmo,if ((cfg)->ctrl_loss_tmo != 600) (&c->cfg)->ctrl_loss_tmo = (cfg)->ctrl_loss_tmo |
| 451 | NVMF_DEF_CTRL_LOSS_TMO)if ((cfg)->ctrl_loss_tmo != 600) (&c->cfg)->ctrl_loss_tmo = (cfg)->ctrl_loss_tmo; |
| 452 | UPDATE_CFG_OPTION(&c->cfg, cfg, fast_io_fail_tmo, 0)if ((cfg)->fast_io_fail_tmo != 0) (&c->cfg)->fast_io_fail_tmo = (cfg)->fast_io_fail_tmo; |
| 453 | UPDATE_CFG_OPTION(&c->cfg, cfg, tos, -1)if ((cfg)->tos != -1) (&c->cfg)->tos = (cfg)-> tos; |
| 454 | UPDATE_CFG_OPTION(&c->cfg, cfg, keyring_id, 0)if ((cfg)->keyring_id != 0) (&c->cfg)->keyring_id = (cfg)->keyring_id; |
| 455 | UPDATE_CFG_OPTION(&c->cfg, cfg, tls_key_id, 0)if ((cfg)->tls_key_id != 0) (&c->cfg)->tls_key_id = (cfg)->tls_key_id; |
| 456 | UPDATE_CFG_OPTION(&c->cfg, cfg, tls_configured_key_id, 0)if ((cfg)->tls_configured_key_id != 0) (&c->cfg)-> tls_configured_key_id = (cfg)->tls_configured_key_id; |
| 457 | UPDATE_CFG_OPTION(&c->cfg, cfg, duplicate_connect, false)if ((cfg)->duplicate_connect != 0) (&c->cfg)->duplicate_connect = (cfg)->duplicate_connect; |
| 458 | UPDATE_CFG_OPTION(&c->cfg, cfg, disable_sqflow, false)if ((cfg)->disable_sqflow != 0) (&c->cfg)->disable_sqflow = (cfg)->disable_sqflow; |
| 459 | UPDATE_CFG_OPTION(&c->cfg, cfg, hdr_digest, false)if ((cfg)->hdr_digest != 0) (&c->cfg)->hdr_digest = (cfg)->hdr_digest; |
| 460 | UPDATE_CFG_OPTION(&c->cfg, cfg, data_digest, false)if ((cfg)->data_digest != 0) (&c->cfg)->data_digest = (cfg)->data_digest; |
| 461 | UPDATE_CFG_OPTION(&c->cfg, cfg, tls, false)if ((cfg)->tls != 0) (&c->cfg)->tls = (cfg)-> tls; |
| 462 | UPDATE_CFG_OPTION(&c->cfg, cfg, concat, false)if ((cfg)->concat != 0) (&c->cfg)->concat = (cfg )->concat; |
| 463 | } |
| 464 | |
| 465 | static int __add_bool_argument(char **argstr, char *tok, bool_Bool arg) |
| 466 | { |
| 467 | char *nstr; |
| 468 | |
| 469 | if (!arg) |
| 470 | return 0; |
| 471 | if (asprintf(&nstr, "%s,%s", *argstr, tok) < 0) { |
| 472 | return -ENOMEM12; |
| 473 | } |
| 474 | free(*argstr); |
| 475 | *argstr = nstr; |
| 476 | |
| 477 | return 0; |
| 478 | } |
| 479 | |
| 480 | static int __add_hex_argument(char **argstr, char *tok, int arg, bool_Bool allow_zero) |
| 481 | { |
| 482 | char *nstr; |
| 483 | |
| 484 | if (arg < 0 || (!arg && !allow_zero)) |
| 485 | return 0; |
| 486 | if (asprintf(&nstr, "%s,%s=0x%08x", *argstr, tok, arg) < 0) { |
| 487 | return -ENOMEM12; |
| 488 | } |
| 489 | free(*argstr); |
| 490 | *argstr = nstr; |
| 491 | |
| 492 | return 0; |
| 493 | } |
| 494 | |
| 495 | static int __add_int_argument(char **argstr, char *tok, int arg, bool_Bool allow_zero) |
| 496 | { |
| 497 | char *nstr; |
| 498 | |
| 499 | if (arg < 0 || (!arg && !allow_zero)) |
| 500 | return 0; |
| 501 | if (asprintf(&nstr, "%s,%s=%d", *argstr, tok, arg) < 0) { |
| 502 | return -ENOMEM12; |
| 503 | } |
| 504 | free(*argstr); |
| 505 | *argstr = nstr; |
| 506 | |
| 507 | return 0; |
| 508 | } |
| 509 | |
| 510 | static int __add_int_or_minus_one_argument(char **argstr, char *tok, int arg) |
| 511 | { |
| 512 | char *nstr; |
| 513 | |
| 514 | if (arg < -1) |
| 515 | return 0; |
| 516 | if (asprintf(&nstr, "%s,%s=%d", *argstr, tok, arg) < 0) { |
| 517 | return -ENOMEM12; |
| 518 | } |
| 519 | free(*argstr); |
| 520 | *argstr = nstr; |
| 521 | |
| 522 | return 0; |
| 523 | } |
| 524 | |
| 525 | static int __add_argument(char **argstr, const char *tok, const char *arg) |
| 526 | { |
| 527 | char *nstr; |
| 528 | |
| 529 | if (!arg || arg[0] == '\0' || !strcmp(arg, "none")) |
| 530 | return 0; |
| 531 | if (asprintf(&nstr, "%s,%s=%s", *argstr, tok, arg) < 0) { |
| 532 | return -ENOMEM12; |
| 533 | } |
| 534 | free(*argstr); |
| 535 | *argstr = nstr; |
| 536 | |
| 537 | return 0; |
| 538 | } |
| 539 | |
| 540 | static int __nvmf_supported_options(struct libnvme_global_ctx *ctx); |
| 541 | #define nvmf_check_option(ctx, tok)({ !__nvmf_supported_options(ctx) && ctx->options-> tok; }) \ |
| 542 | ({ \ |
| 543 | !__nvmf_supported_options(ctx) && ctx->options->tok; \ |
| 544 | }) |
| 545 | |
| 546 | #define add_bool_argument(ctx, argstr, tok, arg)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->tok; })) { ret = __add_bool_argument(argstr, "tok", arg); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ( (void*)0), "option \"%s\" ignored\n", "tok"); ret = 0; } ret; }) \ |
| 547 | ({ \ |
| 548 | int ret; \ |
| 549 | if (nvmf_check_option(ctx, tok)({ !__nvmf_supported_options(ctx) && ctx->options-> tok; })) { \ |
| 550 | ret = __add_bool_argument(argstr, \ |
| 551 | stringify(tok)"tok", \ |
| 552 | arg); \ |
| 553 | } else { \ |
| 554 | libnvme_msg(ctx, LIBNVME_LOG_DEBUG, \__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "tok") |
| 555 | "option \"%s\" ignored\n", \__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "tok") |
| 556 | stringify(tok))__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "tok"); \ |
| 557 | ret = 0; \ |
| 558 | } \ |
| 559 | ret; \ |
| 560 | }) |
| 561 | |
| 562 | #define add_hex_argument(ctx, argstr, tok, arg, allow_zero)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->tok; })) { ret = __add_hex_argument(argstr, "tok" , arg, allow_zero); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG , ((void*)0), "option \"%s\" ignored\n", "tok"); ret = 0; } ret ; }) \ |
| 563 | ({ \ |
| 564 | int ret; \ |
| 565 | if (nvmf_check_option(ctx, tok)({ !__nvmf_supported_options(ctx) && ctx->options-> tok; })) { \ |
| 566 | ret = __add_hex_argument(argstr, \ |
| 567 | stringify(tok)"tok", \ |
| 568 | arg, \ |
| 569 | allow_zero); \ |
| 570 | } else { \ |
| 571 | libnvme_msg(ctx, LIBNVME_LOG_DEBUG, \__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "tok") |
| 572 | "option \"%s\" ignored\n", \__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "tok") |
| 573 | stringify(tok))__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "tok"); \ |
| 574 | ret = 0; \ |
| 575 | } \ |
| 576 | ret; \ |
| 577 | }) |
| 578 | |
| 579 | #define add_int_argument(ctx, argstr, tok, arg, allow_zero)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->tok; })) { ret = __add_int_argument(argstr, "tok" , arg, allow_zero); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG , ((void*)0), "option \"%s\" ignored\n", "tok"); ret = 0; } ret ; }) \ |
| 580 | ({ \ |
| 581 | int ret; \ |
| 582 | if (nvmf_check_option(ctx, tok)({ !__nvmf_supported_options(ctx) && ctx->options-> tok; })) { \ |
| 583 | ret = __add_int_argument(argstr, \ |
| 584 | stringify(tok)"tok", \ |
| 585 | arg, \ |
| 586 | allow_zero); \ |
| 587 | } else { \ |
| 588 | libnvme_msg(ctx, LIBNVME_LOG_DEBUG, \__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "tok") |
| 589 | "option \"%s\" ignored\n", \__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "tok") |
| 590 | stringify(tok))__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "tok"); \ |
| 591 | ret = 0; \ |
| 592 | } \ |
| 593 | ret; \ |
| 594 | }) |
| 595 | |
| 596 | #define add_int_or_minus_one_argument(ctx, argstr, tok, arg)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->tok; })) { ret = __add_int_or_minus_one_argument (argstr, "tok", arg); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG , ((void*)0), "option \"%s\" ignored\n", "tok"); ret = 0; } ret ; }) \ |
| 597 | ({ \ |
| 598 | int ret; \ |
| 599 | if (nvmf_check_option(ctx, tok)({ !__nvmf_supported_options(ctx) && ctx->options-> tok; })) { \ |
| 600 | ret = __add_int_or_minus_one_argument(argstr, \ |
| 601 | stringify(tok)"tok", \ |
| 602 | arg); \ |
| 603 | } else { \ |
| 604 | libnvme_msg(ctx, LIBNVME_LOG_DEBUG, \__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "tok") |
| 605 | "option \"%s\" ignored\n", \__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "tok") |
| 606 | stringify(tok))__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "tok"); \ |
| 607 | ret = 0; \ |
| 608 | } \ |
| 609 | ret; \ |
| 610 | }) |
| 611 | |
| 612 | #define add_argument(ctx, argstr, tok, arg)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->tok; })) { ret = __add_argument(argstr, "tok" , arg); } else { __libnvme_msg(ctx, LIBNVME_LOG_WARN, ((void* )0), "option \"%s\" ignored\n", "tok"); ret = 0; } ret; }) \ |
| 613 | ({ \ |
| 614 | int ret; \ |
| 615 | if (nvmf_check_option(ctx, tok)({ !__nvmf_supported_options(ctx) && ctx->options-> tok; })) { \ |
| 616 | ret = __add_argument(argstr, \ |
| 617 | stringify(tok)"tok", \ |
| 618 | arg); \ |
| 619 | } else { \ |
| 620 | libnvme_msg(ctx, LIBNVME_LOG_WARN, \__libnvme_msg(ctx, LIBNVME_LOG_WARN, ((void*)0), "option \"%s\" ignored\n" , "tok") |
| 621 | "option \"%s\" ignored\n", \__libnvme_msg(ctx, LIBNVME_LOG_WARN, ((void*)0), "option \"%s\" ignored\n" , "tok") |
| 622 | stringify(tok))__libnvme_msg(ctx, LIBNVME_LOG_WARN, ((void*)0), "option \"%s\" ignored\n" , "tok"); \ |
| 623 | ret = 0; \ |
| 624 | } \ |
| 625 | ret; \ |
| 626 | }) |
| 627 | |
| 628 | static int inet4_pton(const char *src, uint16_t port, |
| 629 | struct sockaddr_storage *addr) |
| 630 | { |
| 631 | struct sockaddr_in *addr4 = (struct sockaddr_in *)addr; |
| 632 | |
| 633 | if (strlen(src) > INET_ADDRSTRLEN16) |
| 634 | return -EINVAL22; |
| 635 | |
| 636 | if (inet_pton(AF_INET2, src, &addr4->sin_addr.s_addr) <= 0) |
| 637 | return -EINVAL22; |
| 638 | |
| 639 | addr4->sin_family = AF_INET2; |
| 640 | addr4->sin_port = htons(port)__bswap_16 (port); |
| 641 | |
| 642 | return 0; |
| 643 | } |
| 644 | |
| 645 | static int inet6_pton(struct libnvme_global_ctx *ctx, const char *src, uint16_t port, |
| 646 | struct sockaddr_storage *addr) |
| 647 | { |
| 648 | struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)addr; |
| 649 | const char *scope = NULL((void*)0); |
| 650 | char *p; |
| 651 | |
| 652 | if (strlen(src) > INET6_ADDRSTRLEN46) |
| 653 | return -EINVAL22; |
| 654 | |
| 655 | __cleanup_free__attribute__((cleanup(freep))) char *tmp = strdup(src); |
| 656 | if (!tmp) { |
| 657 | libnvme_msg(ctx, LIBNVME_LOG_ERR, "cannot copy: %s\n", src)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "cannot copy: %s\n" , src); |
| 658 | return -ENOMEM12; |
| 659 | } |
| 660 | |
| 661 | p = strchr(tmp, '%'); |
| 662 | if (p) { |
| 663 | *p = '\0'; |
| 664 | scope = src + (p - tmp) + 1; |
| 665 | } |
| 666 | |
| 667 | if (inet_pton(AF_INET610, tmp, &addr6->sin6_addr) != 1) |
| 668 | return -EINVAL22; |
| 669 | |
| 670 | if (IN6_IS_ADDR_LINKLOCAL(&addr6->sin6_addr)(__extension__ ({ const struct in6_addr *__a = (const struct in6_addr *) (&addr6->sin6_addr); (__a->__in6_u.__u6_addr32[ 0] & __bswap_32 (0xffc00000)) == __bswap_32 (0xfe800000); })) && scope) { |
| 671 | addr6->sin6_scope_id = if_nametoindex(scope); |
| 672 | if (addr6->sin6_scope_id == 0) { |
| 673 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "can't find iface index for: %s (%m)\n" , scope) |
| 674 | "can't find iface index for: %s (%m)\n", scope)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "can't find iface index for: %s (%m)\n" , scope); |
| 675 | return -EINVAL22; |
| 676 | } |
| 677 | } |
| 678 | |
| 679 | addr6->sin6_family = AF_INET610; |
| 680 | addr6->sin6_port = htons(port)__bswap_16 (port); |
| 681 | return 0; |
| 682 | } |
| 683 | |
| 684 | /** |
| 685 | * inet_pton_with_scope - convert an IPv4/IPv6 to socket address |
| 686 | * @ctx: Global context |
| 687 | * @af: address family, AF_INET, AF_INET6 or AF_UNSPEC for either |
| 688 | * @src: the start of the address string |
| 689 | * @trsvcid: transport service identifier |
| 690 | * @addr: output socket address |
| 691 | * |
| 692 | * Return 0 on success, errno otherwise. |
| 693 | */ |
| 694 | static int inet_pton_with_scope(struct libnvme_global_ctx *ctx, int af, |
| 695 | const char *src, const char * trsvcid, |
| 696 | struct sockaddr_storage *addr) |
| 697 | { |
| 698 | int ret = -EINVAL22; |
| 699 | uint16_t port = 0; |
| 700 | |
| 701 | if (trsvcid) { |
| 702 | unsigned long long tmp = strtoull(trsvcid, NULL((void*)0), 0); |
| 703 | port = (uint16_t)tmp; |
| 704 | if (tmp != port) { |
| 705 | libnvme_msg(ctx, LIBNVME_LOG_ERR, "trsvcid out of range: %s\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "trsvcid out of range: %s\n" , trsvcid) |
| 706 | trsvcid)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "trsvcid out of range: %s\n" , trsvcid); |
| 707 | return -ERANGE34; |
| 708 | } |
| 709 | } else { |
| 710 | port = 0; |
| 711 | } |
| 712 | |
| 713 | switch (af) { |
| 714 | case AF_INET2: |
| 715 | ret = inet4_pton(src, port, addr); |
| 716 | break; |
| 717 | case AF_INET610: |
| 718 | ret = inet6_pton(ctx, src, port, addr); |
| 719 | break; |
| 720 | case AF_UNSPEC0: |
| 721 | ret = inet4_pton(src, port, addr); |
| 722 | if (ret) |
| 723 | ret = inet6_pton(ctx, src, port, addr); |
| 724 | break; |
| 725 | default: |
| 726 | libnvme_msg(ctx, LIBNVME_LOG_ERR, "unexpected address family %d\n", af)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "unexpected address family %d\n" , af); |
| 727 | } |
| 728 | |
| 729 | return ret; |
| 730 | } |
| 731 | |
| 732 | bool_Bool traddr_is_hostname(struct libnvme_global_ctx *ctx, |
| 733 | const char *transport, const char *traddr) |
| 734 | { |
| 735 | struct sockaddr_storage addr; |
| 736 | |
| 737 | if (!traddr || !transport) |
| 738 | return false0; |
| 739 | if (!strcmp(traddr, "none")) |
| 740 | return false0; |
| 741 | if (strcmp(transport, "tcp") && strcmp(transport, "rdma")) |
| 742 | return false0; |
| 743 | if (inet_pton_with_scope(ctx, AF_UNSPEC0, |
| 744 | traddr, NULL((void*)0), &addr) == 0) /* scope-aware */ |
| 745 | return false0; |
| 746 | |
| 747 | return true1; |
| 748 | } |
| 749 | |
| 750 | static int build_options(libnvme_host_t h, libnvme_ctrl_t c, char **argstr) |
| 751 | { |
| 752 | const char *transport = libnvme_ctrl_get_transport(c); |
| 753 | const char *hostnqn, *hostid, *hostkey, *ctrlkey = NULL((void*)0); |
| 754 | bool_Bool discover = false0, discovery_nqn = false0; |
| 755 | struct libnvme_global_ctx *ctx = h->ctx; |
| 756 | long keyring_id = 0; |
| 757 | long key_id = 0; |
| 758 | int ret; |
| 759 | |
| 760 | if (!transport) { |
| 761 | libnvme_msg(ctx, LIBNVME_LOG_ERR, "need a transport (-t) argument\n")__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "need a transport (-t) argument\n" ); |
| 762 | return -ENVME_CONNECT_TARG; |
| 763 | } |
| 764 | |
| 765 | if (strncmp(transport, "loop", 4)) { |
| 766 | if (!libnvme_ctrl_get_traddr(c)) { |
| 767 | libnvme_msg(h->ctx, LIBNVME_LOG_ERR, "need a address (-a) argument\n")__libnvme_msg(h->ctx, LIBNVME_LOG_ERR, ((void*)0), "need a address (-a) argument\n" ); |
| 768 | return -ENVME_CONNECT_AARG; |
| 769 | } |
| 770 | } |
| 771 | |
| 772 | /* always specify nqn as first arg - this will init the string */ |
| 773 | if (asprintf(argstr, "nqn=%s", |
| 774 | libnvme_ctrl_get_subsysnqn(c)) < 0) { |
| 775 | return -ENOMEM12; |
| 776 | } |
| 777 | |
| 778 | if (!strcmp(libnvme_ctrl_get_subsysnqn(c), NVME_DISC_SUBSYS_NAME"nqn.2014-08.org.nvmexpress.discovery")) { |
| 779 | libnvme_ctrl_set_discovery_ctrl(c, true1); |
| 780 | libnvme_ctrl_set_unique_discovery_ctrl(c, false0); |
| 781 | discovery_nqn = true1; |
| 782 | } |
| 783 | |
| 784 | if (libnvme_ctrl_get_discovery_ctrl(c)) |
| 785 | discover = true1; |
| 786 | |
| 787 | hostnqn = libnvme_host_get_hostnqn(h); |
| 788 | hostid = libnvme_host_get_hostid(h); |
| 789 | hostkey = libnvme_host_get_dhchap_host_key(h); |
| 790 | if (!hostkey) |
| 791 | hostkey = libnvme_ctrl_get_dhchap_host_key(c); |
| 792 | |
| 793 | if (hostkey) |
| 794 | ctrlkey = libnvme_ctrl_get_dhchap_ctrl_key(c); |
| 795 | |
| 796 | if (c->cfg.tls && c->cfg.concat) { |
| 797 | libnvme_msg(h->ctx, LIBNVME_LOG_ERR, "cannot specify --tls and --concat together\n")__libnvme_msg(h->ctx, LIBNVME_LOG_ERR, ((void*)0), "cannot specify --tls and --concat together\n" ); |
| 798 | return -ENVME_CONNECT_INVAL; |
| 799 | } |
| 800 | |
| 801 | if (c->cfg.concat && !hostkey) { |
| 802 | libnvme_msg(h->ctx, LIBNVME_LOG_ERR, "required argument [--dhchap-secret | -S] not specified with --concat\n")__libnvme_msg(h->ctx, LIBNVME_LOG_ERR, ((void*)0), "required argument [--dhchap-secret | -S] not specified with --concat\n" ); |
| 803 | return -ENVME_CONNECT_INVAL; |
| 804 | } |
| 805 | |
| 806 | if (c->cfg.tls) { |
| 807 | ret = __libnvme_import_keys_from_config(h, c, |
| 808 | &keyring_id, &key_id); |
| 809 | if (ret) |
| 810 | return ret; |
| 811 | |
| 812 | if (key_id == 0) { |
| 813 | if (c->cfg.tls_configured_key_id) |
| 814 | key_id = c->cfg.tls_configured_key_id; |
| 815 | else |
| 816 | key_id = c->cfg.tls_key_id; |
| 817 | } |
| 818 | } |
| 819 | |
| 820 | if (add_argument(ctx, argstr, transport, transport)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->transport; })) { ret = __add_argument(argstr , "transport", transport); } else { __libnvme_msg(ctx, LIBNVME_LOG_WARN , ((void*)0), "option \"%s\" ignored\n", "transport"); ret = 0 ; } ret; }) || |
| 821 | add_argument(ctx, argstr, traddr,({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->traddr; })) { ret = __add_argument(argstr, "traddr" , libnvme_ctrl_get_traddr(c)); } else { __libnvme_msg(ctx, LIBNVME_LOG_WARN , ((void*)0), "option \"%s\" ignored\n", "traddr"); ret = 0; } ret; }) |
| 822 | libnvme_ctrl_get_traddr(c))({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->traddr; })) { ret = __add_argument(argstr, "traddr" , libnvme_ctrl_get_traddr(c)); } else { __libnvme_msg(ctx, LIBNVME_LOG_WARN , ((void*)0), "option \"%s\" ignored\n", "traddr"); ret = 0; } ret; }) || |
| 823 | add_argument(ctx, argstr, host_traddr,({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->host_traddr; })) { ret = __add_argument(argstr , "host_traddr", libnvme_ctrl_get_host_traddr(c)); } else { __libnvme_msg (ctx, LIBNVME_LOG_WARN, ((void*)0), "option \"%s\" ignored\n" , "host_traddr"); ret = 0; } ret; }) |
| 824 | libnvme_ctrl_get_host_traddr(c))({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->host_traddr; })) { ret = __add_argument(argstr , "host_traddr", libnvme_ctrl_get_host_traddr(c)); } else { __libnvme_msg (ctx, LIBNVME_LOG_WARN, ((void*)0), "option \"%s\" ignored\n" , "host_traddr"); ret = 0; } ret; }) || |
| 825 | add_argument(ctx, argstr, host_iface,({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->host_iface; })) { ret = __add_argument(argstr , "host_iface", libnvme_ctrl_get_host_iface(c)); } else { __libnvme_msg (ctx, LIBNVME_LOG_WARN, ((void*)0), "option \"%s\" ignored\n" , "host_iface"); ret = 0; } ret; }) |
| 826 | libnvme_ctrl_get_host_iface(c))({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->host_iface; })) { ret = __add_argument(argstr , "host_iface", libnvme_ctrl_get_host_iface(c)); } else { __libnvme_msg (ctx, LIBNVME_LOG_WARN, ((void*)0), "option \"%s\" ignored\n" , "host_iface"); ret = 0; } ret; }) || |
| 827 | add_argument(ctx, argstr, trsvcid,({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->trsvcid; })) { ret = __add_argument(argstr, "trsvcid" , libnvme_ctrl_get_trsvcid(c)); } else { __libnvme_msg(ctx, LIBNVME_LOG_WARN , ((void*)0), "option \"%s\" ignored\n", "trsvcid"); ret = 0; } ret; }) |
| 828 | libnvme_ctrl_get_trsvcid(c))({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->trsvcid; })) { ret = __add_argument(argstr, "trsvcid" , libnvme_ctrl_get_trsvcid(c)); } else { __libnvme_msg(ctx, LIBNVME_LOG_WARN , ((void*)0), "option \"%s\" ignored\n", "trsvcid"); ret = 0; } ret; }) || |
| 829 | (hostnqn && add_argument(ctx, argstr, hostnqn, hostnqn)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->hostnqn; })) { ret = __add_argument(argstr, "hostnqn" , hostnqn); } else { __libnvme_msg(ctx, LIBNVME_LOG_WARN, ((void *)0), "option \"%s\" ignored\n", "hostnqn"); ret = 0; } ret; } )) || |
| 830 | (hostid && add_argument(ctx, argstr, hostid, hostid)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->hostid; })) { ret = __add_argument(argstr, "hostid" , hostid); } else { __libnvme_msg(ctx, LIBNVME_LOG_WARN, ((void *)0), "option \"%s\" ignored\n", "hostid"); ret = 0; } ret; } )) || |
| 831 | (discover && !discovery_nqn && |
| 832 | add_bool_argument(ctx, argstr, discovery, true)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->discovery; })) { ret = __add_bool_argument(argstr , "discovery", 1); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG , ((void*)0), "option \"%s\" ignored\n", "discovery"); ret = 0 ; } ret; })) || |
| 833 | (hostkey && |
| 834 | add_argument(ctx, argstr, dhchap_secret, hostkey)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->dhchap_secret; })) { ret = __add_argument(argstr , "dhchap_secret", hostkey); } else { __libnvme_msg(ctx, LIBNVME_LOG_WARN , ((void*)0), "option \"%s\" ignored\n", "dhchap_secret"); ret = 0; } ret; })) || |
| 835 | (ctrlkey && |
| 836 | add_argument(ctx, argstr, dhchap_ctrl_secret, ctrlkey)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->dhchap_ctrl_secret; })) { ret = __add_argument (argstr, "dhchap_ctrl_secret", ctrlkey); } else { __libnvme_msg (ctx, LIBNVME_LOG_WARN, ((void*)0), "option \"%s\" ignored\n" , "dhchap_ctrl_secret"); ret = 0; } ret; })) || |
| 837 | (!discover && |
| 838 | add_int_argument(ctx, argstr, nr_io_queues,({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->nr_io_queues; })) { ret = __add_int_argument (argstr, "nr_io_queues", c->cfg.nr_io_queues, 0); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "nr_io_queues"); ret = 0; } ret; }) |
| 839 | c->cfg.nr_io_queues, false)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->nr_io_queues; })) { ret = __add_int_argument (argstr, "nr_io_queues", c->cfg.nr_io_queues, 0); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "nr_io_queues"); ret = 0; } ret; })) || |
| 840 | (!discover && |
| 841 | add_int_argument(ctx, argstr, nr_write_queues,({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->nr_write_queues; })) { ret = __add_int_argument (argstr, "nr_write_queues", c->cfg.nr_write_queues, 0); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "nr_write_queues"); ret = 0; } ret; }) |
| 842 | c->cfg.nr_write_queues, false)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->nr_write_queues; })) { ret = __add_int_argument (argstr, "nr_write_queues", c->cfg.nr_write_queues, 0); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "nr_write_queues"); ret = 0; } ret; })) || |
| 843 | (!discover && |
| 844 | add_int_argument(ctx, argstr, nr_poll_queues,({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->nr_poll_queues; })) { ret = __add_int_argument (argstr, "nr_poll_queues", c->cfg.nr_poll_queues, 0); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "nr_poll_queues"); ret = 0; } ret; }) |
| 845 | c->cfg.nr_poll_queues, false)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->nr_poll_queues; })) { ret = __add_int_argument (argstr, "nr_poll_queues", c->cfg.nr_poll_queues, 0); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "nr_poll_queues"); ret = 0; } ret; })) || |
| 846 | (!discover && |
| 847 | add_int_argument(ctx, argstr, queue_size,({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->queue_size; })) { ret = __add_int_argument(argstr , "queue_size", c->cfg.queue_size, 0); } else { __libnvme_msg (ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "queue_size"); ret = 0; } ret; }) |
| 848 | c->cfg.queue_size, false)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->queue_size; })) { ret = __add_int_argument(argstr , "queue_size", c->cfg.queue_size, 0); } else { __libnvme_msg (ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "queue_size"); ret = 0; } ret; })) || |
| 849 | add_int_argument(ctx, argstr, keep_alive_tmo,({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->keep_alive_tmo; })) { ret = __add_int_argument (argstr, "keep_alive_tmo", c->cfg.keep_alive_tmo, 0); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "keep_alive_tmo"); ret = 0; } ret; }) |
| 850 | c->cfg.keep_alive_tmo, false)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->keep_alive_tmo; })) { ret = __add_int_argument (argstr, "keep_alive_tmo", c->cfg.keep_alive_tmo, 0); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "keep_alive_tmo"); ret = 0; } ret; }) || |
| 851 | add_int_argument(ctx, argstr, reconnect_delay,({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->reconnect_delay; })) { ret = __add_int_argument (argstr, "reconnect_delay", c->cfg.reconnect_delay, 0); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "reconnect_delay"); ret = 0; } ret; }) |
| 852 | c->cfg.reconnect_delay, false)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->reconnect_delay; })) { ret = __add_int_argument (argstr, "reconnect_delay", c->cfg.reconnect_delay, 0); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "reconnect_delay"); ret = 0; } ret; }) || |
| 853 | (strcmp(transport, "loop") && |
| 854 | add_int_or_minus_one_argument(ctx, argstr, ctrl_loss_tmo,({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->ctrl_loss_tmo; })) { ret = __add_int_or_minus_one_argument (argstr, "ctrl_loss_tmo", c->cfg.ctrl_loss_tmo); } else { __libnvme_msg (ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "ctrl_loss_tmo"); ret = 0; } ret; }) |
| 855 | c->cfg.ctrl_loss_tmo)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->ctrl_loss_tmo; })) { ret = __add_int_or_minus_one_argument (argstr, "ctrl_loss_tmo", c->cfg.ctrl_loss_tmo); } else { __libnvme_msg (ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "ctrl_loss_tmo"); ret = 0; } ret; })) || |
| 856 | (strcmp(transport, "loop") && |
| 857 | add_int_argument(ctx, argstr, fast_io_fail_tmo,({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->fast_io_fail_tmo; })) { ret = __add_int_argument (argstr, "fast_io_fail_tmo", c->cfg.fast_io_fail_tmo, 0); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "fast_io_fail_tmo"); ret = 0; } ret; }) |
| 858 | c->cfg.fast_io_fail_tmo, false)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->fast_io_fail_tmo; })) { ret = __add_int_argument (argstr, "fast_io_fail_tmo", c->cfg.fast_io_fail_tmo, 0); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "fast_io_fail_tmo"); ret = 0; } ret; })) || |
| 859 | (strcmp(transport, "loop") && |
| 860 | add_int_argument(ctx, argstr, tos, c->cfg.tos, true)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->tos; })) { ret = __add_int_argument(argstr, "tos" , c->cfg.tos, 1); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG , ((void*)0), "option \"%s\" ignored\n", "tos"); ret = 0; } ret ; })) || |
| 861 | add_hex_argument(ctx, argstr, keyring, keyring_id, false)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->keyring; })) { ret = __add_hex_argument(argstr , "keyring", keyring_id, 0); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG , ((void*)0), "option \"%s\" ignored\n", "keyring"); ret = 0; } ret; }) || |
| 862 | (!strcmp(transport, "tcp") && |
| 863 | add_hex_argument(ctx, argstr, tls_key, key_id, false)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->tls_key; })) { ret = __add_hex_argument(argstr , "tls_key", key_id, 0); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG , ((void*)0), "option \"%s\" ignored\n", "tls_key"); ret = 0; } ret; })) || |
| 864 | add_bool_argument(ctx, argstr, duplicate_connect,({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->duplicate_connect; })) { ret = __add_bool_argument (argstr, "duplicate_connect", c->cfg.duplicate_connect); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "duplicate_connect"); ret = 0; } ret; }) |
| 865 | c->cfg.duplicate_connect)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->duplicate_connect; })) { ret = __add_bool_argument (argstr, "duplicate_connect", c->cfg.duplicate_connect); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "duplicate_connect"); ret = 0; } ret; }) || |
| 866 | add_bool_argument(ctx, argstr, disable_sqflow,({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->disable_sqflow; })) { ret = __add_bool_argument (argstr, "disable_sqflow", c->cfg.disable_sqflow); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "disable_sqflow"); ret = 0; } ret; }) |
| 867 | c->cfg.disable_sqflow)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->disable_sqflow; })) { ret = __add_bool_argument (argstr, "disable_sqflow", c->cfg.disable_sqflow); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "disable_sqflow"); ret = 0; } ret; }) || |
| 868 | (!strcmp(transport, "tcp") && |
| 869 | add_bool_argument(ctx, argstr, hdr_digest, c->cfg.hdr_digest)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->hdr_digest; })) { ret = __add_bool_argument( argstr, "hdr_digest", c->cfg.hdr_digest); } else { __libnvme_msg (ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "hdr_digest"); ret = 0; } ret; })) || |
| 870 | (!strcmp(transport, "tcp") && |
| 871 | add_bool_argument(ctx, argstr, data_digest, c->cfg.data_digest)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->data_digest; })) { ret = __add_bool_argument (argstr, "data_digest", c->cfg.data_digest); } else { __libnvme_msg (ctx, LIBNVME_LOG_DEBUG, ((void*)0), "option \"%s\" ignored\n" , "data_digest"); ret = 0; } ret; })) || |
| 872 | (!strcmp(transport, "tcp") && |
| 873 | add_bool_argument(ctx, argstr, tls, c->cfg.tls)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->tls; })) { ret = __add_bool_argument(argstr, "tls", c->cfg.tls); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG , ((void*)0), "option \"%s\" ignored\n", "tls"); ret = 0; } ret ; })) || |
| 874 | (!strcmp(transport, "tcp") && |
| 875 | add_bool_argument(ctx, argstr, concat, c->cfg.concat)({ int ret; if (({ !__nvmf_supported_options(ctx) && ctx ->options->concat; })) { ret = __add_bool_argument(argstr , "concat", c->cfg.concat); } else { __libnvme_msg(ctx, LIBNVME_LOG_DEBUG , ((void*)0), "option \"%s\" ignored\n", "concat"); ret = 0; } ret; }))) { |
| 876 | free(*argstr); |
| 877 | return -1; |
| 878 | } |
| 879 | |
| 880 | return 0; |
| 881 | } |
| 882 | |
| 883 | #define parse_option(ctx, v, name)if (!strcmp(v, "name")) { ctx->options->name = 1; continue ; } \ |
| 884 | if (!strcmp(v, stringify(name)"name")) { \ |
| 885 | ctx->options->name = true1; \ |
| 886 | continue; \ |
| 887 | } |
| 888 | |
| 889 | static int __nvmf_supported_options(struct libnvme_global_ctx *ctx) |
| 890 | { |
| 891 | char buf[0x1000], *options, *p, *v; |
| 892 | __cleanup_fd__attribute__((cleanup(cleanup_fd))) int fd = -1; |
| 893 | ssize_t len; |
| 894 | |
| 895 | if (ctx->options) |
| 896 | return 0; |
| 897 | |
| 898 | ctx->options = calloc(1, sizeof(*ctx->options)); |
| 899 | if (!ctx->options) |
| 900 | return -ENOMEM12; |
| 901 | |
| 902 | fd = open(nvmf_dev, O_RDONLY00); |
| 903 | if (fd < 0) { |
| 904 | libnvme_msg(ctx, LIBNVME_LOG_ERR, "Failed to open %s: %s\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Failed to open %s: %s\n" , nvmf_dev, libnvme_strerror((*__errno_location ()))) |
| 905 | nvmf_dev, libnvme_strerror(errno))__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Failed to open %s: %s\n" , nvmf_dev, libnvme_strerror((*__errno_location ()))); |
| 906 | return -ENVME_CONNECT_OPEN; |
| 907 | } |
| 908 | |
| 909 | memset(buf, 0x0, sizeof(buf)); |
| 910 | len = read(fd, buf, sizeof(buf) - 1); |
| 911 | if (len < 0) { |
| 912 | if (errno(*__errno_location ()) == EINVAL22) { |
| 913 | /* |
| 914 | * Older Linux kernels don't allow reading from nvmf_dev |
| 915 | * to get supported options, so use a default set |
| 916 | */ |
| 917 | libnvme_msg(ctx, LIBNVME_LOG_DEBUG,__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "Cannot read %s, using default options\n" , nvmf_dev) |
| 918 | "Cannot read %s, using default options\n",__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "Cannot read %s, using default options\n" , nvmf_dev) |
| 919 | nvmf_dev)__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "Cannot read %s, using default options\n" , nvmf_dev); |
| 920 | *ctx->options = default_supported_options; |
| 921 | return 0; |
| 922 | } |
| 923 | |
| 924 | libnvme_msg(ctx, LIBNVME_LOG_ERR, "Failed to read from %s: %s\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Failed to read from %s: %s\n" , nvmf_dev, libnvme_strerror((*__errno_location ()))) |
| 925 | nvmf_dev, libnvme_strerror(errno))__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Failed to read from %s: %s\n" , nvmf_dev, libnvme_strerror((*__errno_location ()))); |
| 926 | return -ENVME_CONNECT_READ; |
| 927 | } |
| 928 | |
| 929 | buf[len] = '\0'; |
| 930 | options = buf; |
| 931 | |
| 932 | libnvme_msg(ctx, LIBNVME_LOG_DEBUG, "kernel supports: ")__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "kernel supports: " ); |
| 933 | |
| 934 | while ((p = strsep(&options, ",\n")) != NULL((void*)0)) { |
| 935 | if (!*p) |
| 936 | continue; |
| 937 | v = strsep(&p, "= "); |
| 938 | if (!v) |
| 939 | continue; |
| 940 | libnvme_msg(ctx, LIBNVME_LOG_DEBUG, "%s ", v)__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "%s ", v); |
| 941 | |
| 942 | parse_option(ctx, v, cntlid)if (!strcmp(v, "cntlid")) { ctx->options->cntlid = 1; continue ; }; |
| 943 | parse_option(ctx, v, concat)if (!strcmp(v, "concat")) { ctx->options->concat = 1; continue ; }; |
| 944 | parse_option(ctx, v, ctrl_loss_tmo)if (!strcmp(v, "ctrl_loss_tmo")) { ctx->options->ctrl_loss_tmo = 1; continue; }; |
| 945 | parse_option(ctx, v, data_digest)if (!strcmp(v, "data_digest")) { ctx->options->data_digest = 1; continue; }; |
| 946 | parse_option(ctx, v, dhchap_ctrl_secret)if (!strcmp(v, "dhchap_ctrl_secret")) { ctx->options->dhchap_ctrl_secret = 1; continue; }; |
| 947 | parse_option(ctx, v, dhchap_secret)if (!strcmp(v, "dhchap_secret")) { ctx->options->dhchap_secret = 1; continue; }; |
| 948 | parse_option(ctx, v, disable_sqflow)if (!strcmp(v, "disable_sqflow")) { ctx->options->disable_sqflow = 1; continue; }; |
| 949 | parse_option(ctx, v, discovery)if (!strcmp(v, "discovery")) { ctx->options->discovery = 1; continue; }; |
| 950 | parse_option(ctx, v, duplicate_connect)if (!strcmp(v, "duplicate_connect")) { ctx->options->duplicate_connect = 1; continue; }; |
| 951 | parse_option(ctx, v, fast_io_fail_tmo)if (!strcmp(v, "fast_io_fail_tmo")) { ctx->options->fast_io_fail_tmo = 1; continue; }; |
| 952 | parse_option(ctx, v, hdr_digest)if (!strcmp(v, "hdr_digest")) { ctx->options->hdr_digest = 1; continue; }; |
| 953 | parse_option(ctx, v, host_iface)if (!strcmp(v, "host_iface")) { ctx->options->host_iface = 1; continue; }; |
| 954 | parse_option(ctx, v, host_traddr)if (!strcmp(v, "host_traddr")) { ctx->options->host_traddr = 1; continue; }; |
| 955 | parse_option(ctx, v, hostid)if (!strcmp(v, "hostid")) { ctx->options->hostid = 1; continue ; }; |
| 956 | parse_option(ctx, v, hostnqn)if (!strcmp(v, "hostnqn")) { ctx->options->hostnqn = 1; continue; }; |
| 957 | parse_option(ctx, v, instance)if (!strcmp(v, "instance")) { ctx->options->instance = 1 ; continue; }; |
| 958 | parse_option(ctx, v, keep_alive_tmo)if (!strcmp(v, "keep_alive_tmo")) { ctx->options->keep_alive_tmo = 1; continue; }; |
| 959 | parse_option(ctx, v, keyring)if (!strcmp(v, "keyring")) { ctx->options->keyring = 1; continue; }; |
| 960 | parse_option(ctx, v, nqn)if (!strcmp(v, "nqn")) { ctx->options->nqn = 1; continue ; }; |
| 961 | parse_option(ctx, v, nr_io_queues)if (!strcmp(v, "nr_io_queues")) { ctx->options->nr_io_queues = 1; continue; }; |
| 962 | parse_option(ctx, v, nr_poll_queues)if (!strcmp(v, "nr_poll_queues")) { ctx->options->nr_poll_queues = 1; continue; }; |
| 963 | parse_option(ctx, v, nr_write_queues)if (!strcmp(v, "nr_write_queues")) { ctx->options->nr_write_queues = 1; continue; }; |
| 964 | parse_option(ctx, v, queue_size)if (!strcmp(v, "queue_size")) { ctx->options->queue_size = 1; continue; }; |
| 965 | parse_option(ctx, v, reconnect_delay)if (!strcmp(v, "reconnect_delay")) { ctx->options->reconnect_delay = 1; continue; }; |
| 966 | parse_option(ctx, v, tls)if (!strcmp(v, "tls")) { ctx->options->tls = 1; continue ; }; |
| 967 | parse_option(ctx, v, tls_key)if (!strcmp(v, "tls_key")) { ctx->options->tls_key = 1; continue; }; |
| 968 | parse_option(ctx, v, tos)if (!strcmp(v, "tos")) { ctx->options->tos = 1; continue ; }; |
| 969 | parse_option(ctx, v, traddr)if (!strcmp(v, "traddr")) { ctx->options->traddr = 1; continue ; }; |
| 970 | parse_option(ctx, v, transport)if (!strcmp(v, "transport")) { ctx->options->transport = 1; continue; }; |
| 971 | parse_option(ctx, v, trsvcid)if (!strcmp(v, "trsvcid")) { ctx->options->trsvcid = 1; continue; }; |
| 972 | } |
| 973 | libnvme_msg(ctx, LIBNVME_LOG_DEBUG, "\n")__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "\n"); |
| 974 | return 0; |
| 975 | } |
| 976 | |
| 977 | /* |
| 978 | * Best-effort registry update after a successful connect: record ownership |
| 979 | * when an owner is set, otherwise clear any stale entry for a recycled |
| 980 | * instance. Failures are logged but never fail the connection. |
| 981 | */ |
| 982 | static void registry_update_on_connect(struct libnvme_global_ctx *ctx, |
| 983 | int instance) |
| 984 | { |
| 985 | int ret; |
| 986 | |
| 987 | if (ctx->owner) |
| 988 | ret = libnvmf_registry_create_instance(ctx, instance, |
| 989 | ctx->owner); |
| 990 | else |
| 991 | ret = libnvmf_registry_delete_instance(ctx, instance); |
| 992 | if (ret) |
| 993 | libnvme_msg(ctx, LIBNVME_LOG_WARN,__libnvme_msg(ctx, LIBNVME_LOG_WARN, ((void*)0), "nvme%d: registry update failed: %s\n" , instance, libnvme_strerror(-ret)) |
| 994 | "nvme%d: registry update failed: %s\n",__libnvme_msg(ctx, LIBNVME_LOG_WARN, ((void*)0), "nvme%d: registry update failed: %s\n" , instance, libnvme_strerror(-ret)) |
| 995 | instance, libnvme_strerror(-ret))__libnvme_msg(ctx, LIBNVME_LOG_WARN, ((void*)0), "nvme%d: registry update failed: %s\n" , instance, libnvme_strerror(-ret)); |
| 996 | } |
| 997 | |
| 998 | static int __nvmf_add_ctrl(struct libnvme_global_ctx *ctx, const char *argstr) |
| 999 | { |
| 1000 | __cleanup_fd__attribute__((cleanup(cleanup_fd))) int fd = -1; |
| 1001 | int ret, len = strlen(argstr); |
| 1002 | int instance; |
| 1003 | char buf[0x1000], *options, *p; |
| 1004 | |
| 1005 | fd = open(nvmf_dev, O_RDWR02); |
| 1006 | if (fd < 0) { |
| 1007 | libnvme_msg(ctx, LIBNVME_LOG_ERR, "Failed to open %s: %s\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Failed to open %s: %s\n" , nvmf_dev, libnvme_strerror((*__errno_location ()))) |
| 1008 | nvmf_dev, libnvme_strerror(errno))__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Failed to open %s: %s\n" , nvmf_dev, libnvme_strerror((*__errno_location ()))); |
| 1009 | return -ENVME_CONNECT_OPEN; |
| 1010 | } |
| 1011 | |
| 1012 | libnvme_msg(ctx, LIBNVME_LOG_DEBUG, "connect ctrl, '%.*s'\n",__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "connect ctrl, '%.*s'\n" , (int)strcspn(argstr,"\n"), argstr) |
| 1013 | (int)strcspn(argstr,"\n"), argstr)__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "connect ctrl, '%.*s'\n" , (int)strcspn(argstr,"\n"), argstr); |
| 1014 | ret = write(fd, argstr, len); |
| 1015 | if (ret != len) { |
| 1016 | libnvme_msg(ctx, LIBNVME_LOG_INFO, "Failed to write to %s: %s\n",__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "Failed to write to %s: %s\n" , nvmf_dev, libnvme_strerror((*__errno_location ()))) |
| 1017 | nvmf_dev, libnvme_strerror(errno))__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "Failed to write to %s: %s\n" , nvmf_dev, libnvme_strerror((*__errno_location ()))); |
| 1018 | switch (errno(*__errno_location ())) { |
| 1019 | case EALREADY114: |
| 1020 | return -ENVME_CONNECT_ALREADY; |
| 1021 | case EINVAL22: |
| 1022 | return -ENVME_CONNECT_INVAL; |
| 1023 | case EADDRINUSE98: |
| 1024 | return -ENVME_CONNECT_ADDRINUSE; |
| 1025 | case ENODEV19: |
| 1026 | return -ENVME_CONNECT_NODEV; |
| 1027 | case EOPNOTSUPP95: |
| 1028 | return -ENVME_CONNECT_OPNOTSUPP; |
| 1029 | case ECONNREFUSED111: |
| 1030 | return -ENVME_CONNECT_CONNREFUSED; |
| 1031 | case EADDRNOTAVAIL99: |
| 1032 | return -ENVME_CONNECT_ADDRNOTAVAIL; |
| 1033 | case ENOKEY126: |
| 1034 | return -ENVME_CONNECT_NOKEY; |
| 1035 | default: |
| 1036 | return -ENVME_CONNECT_WRITE; |
| 1037 | } |
| 1038 | } |
| 1039 | |
| 1040 | memset(buf, 0x0, sizeof(buf)); |
| 1041 | len = read(fd, buf, sizeof(buf) - 1); |
| 1042 | if (len < 0) { |
| 1043 | libnvme_msg(ctx, LIBNVME_LOG_ERR, "Failed to read from %s: %s\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Failed to read from %s: %s\n" , nvmf_dev, libnvme_strerror((*__errno_location ()))) |
| 1044 | nvmf_dev, libnvme_strerror(errno))__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Failed to read from %s: %s\n" , nvmf_dev, libnvme_strerror((*__errno_location ()))); |
| 1045 | return -ENVME_CONNECT_READ; |
| 1046 | } |
| 1047 | libnvme_msg(ctx, LIBNVME_LOG_DEBUG, "connect ctrl, response '%.*s'\n",__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "connect ctrl, response '%.*s'\n" , (int)strcspn(buf, "\n"), buf) |
| 1048 | (int)strcspn(buf, "\n"), buf)__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "connect ctrl, response '%.*s'\n" , (int)strcspn(buf, "\n"), buf); |
| 1049 | buf[len] = '\0'; |
| 1050 | options = buf; |
| 1051 | while ((p = strsep(&options, ",\n")) != NULL((void*)0)) { |
| 1052 | if (!*p) |
| 1053 | continue; |
| 1054 | if (sscanf(p, "instance=%d", &instance) == 1) { |
| 1055 | registry_update_on_connect(ctx, instance); |
| 1056 | return instance; |
| 1057 | } |
| 1058 | } |
| 1059 | |
| 1060 | libnvme_msg(ctx, LIBNVME_LOG_ERR, "Failed to parse ctrl info for \"%s\"\n", argstr)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Failed to parse ctrl info for \"%s\"\n" , argstr); |
| 1061 | return -ENVME_CONNECT_PARSE; |
| 1062 | } |
| 1063 | |
| 1064 | |
| 1065 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_create_ctrl(struct libnvme_global_ctx *ctx, |
| 1066 | struct libnvmf_context *fctx, libnvme_ctrl_t *cp) |
| 1067 | { |
| 1068 | return libnvme_create_ctrl(ctx, &fctx->ctrl_params, cp); |
| 1069 | } |
| 1070 | |
| 1071 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_add_ctrl(libnvme_host_t h, libnvme_ctrl_t c) |
| 1072 | { |
| 1073 | libnvme_subsystem_t s; |
| 1074 | __cleanup_free__attribute__((cleanup(freep))) char *argstr = NULL((void*)0); |
| 1075 | int ret; |
| 1076 | |
| 1077 | /* Are duplicate connections allowed on existing controller */ |
| 1078 | if (libnvme_ctrl_get_name(c) && !c->cfg.duplicate_connect) |
| 1079 | return -ENVME_CONNECT_ALREADY; |
| 1080 | |
| 1081 | /* apply configuration from config file (JSON) */ |
| 1082 | s = libnvme_lookup_subsystem(h, NULL((void*)0), libnvme_ctrl_get_subsysnqn(c)); |
| 1083 | if (s) { |
| 1084 | libnvme_ctrl_t fc; |
| 1085 | struct libnvmf_context fctx = { |
| 1086 | .ctrl_params = { |
| 1087 | .transport = libnvme_ctrl_get_transport(c), |
| 1088 | .traddr = libnvme_ctrl_get_traddr(c), |
| 1089 | .host_traddr = libnvme_ctrl_get_host_traddr(c), |
| 1090 | .host_iface = libnvme_ctrl_get_trsvcid(c), |
| 1091 | .trsvcid = libnvme_ctrl_get_trsvcid(c), |
| 1092 | }, |
| 1093 | }; |
| 1094 | |
| 1095 | fc = libnvmf_ctrl_find(s, &fctx); |
| 1096 | if (fc) { |
| 1097 | const char *key; |
| 1098 | |
| 1099 | merge_config(c, &fc->cfg); |
| 1100 | /* |
| 1101 | * An authentication key might already been set |
| 1102 | * in @cfg, so ensure to update @c with the correct |
| 1103 | * controller key. |
| 1104 | */ |
| 1105 | key = libnvme_ctrl_get_dhchap_host_key(fc); |
| 1106 | if (key) |
| 1107 | libnvme_ctrl_set_dhchap_host_key(c, key); |
| 1108 | key = libnvme_ctrl_get_dhchap_ctrl_key(fc); |
| 1109 | if (key) |
| 1110 | libnvme_ctrl_set_dhchap_ctrl_key(c, key); |
| 1111 | key = libnvme_ctrl_get_keyring(fc); |
| 1112 | if (key) |
| 1113 | libnvme_ctrl_set_keyring(c, key); |
| 1114 | key = libnvme_ctrl_get_tls_key_identity(fc); |
| 1115 | if (key) |
| 1116 | libnvme_ctrl_set_tls_key_identity(c, key); |
| 1117 | key = libnvme_ctrl_get_tls_key(fc); |
| 1118 | if (key) |
| 1119 | libnvme_ctrl_set_tls_key(c, key); |
| 1120 | } |
| 1121 | |
| 1122 | } |
| 1123 | |
| 1124 | libnvme_ctrl_set_discovered(c, true1); |
| 1125 | if (traddr_is_hostname(h->ctx, c->transport, c->traddr)) { |
| 1126 | char *traddr = c->traddr; |
| 1127 | |
| 1128 | if (hostname2traddr(h->ctx, traddr, &c->traddr)) { |
| 1129 | c->traddr = traddr; |
| 1130 | return -ENVME_CONNECT_TRADDR; |
| 1131 | } |
| 1132 | free(traddr); |
| 1133 | } |
| 1134 | |
| 1135 | ret = build_options(h, c, &argstr); |
| 1136 | if (ret) |
| 1137 | return ret; |
| 1138 | |
| 1139 | ret = __nvmf_add_ctrl(h->ctx, argstr); |
| 1140 | if (ret < 0) |
| 1141 | return ret; |
| 1142 | |
| 1143 | libnvme_msg(h->ctx, LIBNVME_LOG_INFO, "nvme%d: %s connected\n", ret,__libnvme_msg(h->ctx, LIBNVME_LOG_INFO, ((void*)0), "nvme%d: %s connected\n" , ret, libnvme_ctrl_get_subsysnqn(c)) |
| 1144 | libnvme_ctrl_get_subsysnqn(c))__libnvme_msg(h->ctx, LIBNVME_LOG_INFO, ((void*)0), "nvme%d: %s connected\n" , ret, libnvme_ctrl_get_subsysnqn(c)); |
| 1145 | return libnvme_init_ctrl(h, c, ret); |
| 1146 | } |
| 1147 | |
| 1148 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_connect_ctrl(libnvme_ctrl_t c) |
| 1149 | { |
| 1150 | __cleanup_free__attribute__((cleanup(freep))) char *argstr = NULL((void*)0); |
| 1151 | int ret; |
| 1152 | |
| 1153 | ret = build_options(c->s->h, c, &argstr); |
| 1154 | if (ret) |
| 1155 | return ret; |
| 1156 | |
| 1157 | ret = __nvmf_add_ctrl(c->s->h->ctx, argstr); |
| 1158 | if (ret < 0) |
| 1159 | return ret; |
| 1160 | |
| 1161 | return 0; |
| 1162 | } |
| 1163 | |
| 1164 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_disconnect_ctrl(libnvme_ctrl_t c) |
| 1165 | { |
| 1166 | struct libnvme_global_ctx *ctx = c->s && c->s->h ? c->s->h->ctx : NULL((void*)0); |
| 1167 | int ret; |
| 1168 | |
| 1169 | ret = libnvme_set_attr(libnvme_ctrl_get_sysfs_dir(c), |
| 1170 | "delete_controller", "1"); |
| 1171 | if (ret < 0) { |
| 1172 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "%s: failed to disconnect, error %d\n" , c->name, (*__errno_location ())) |
| 1173 | "%s: failed to disconnect, error %d\n", c->name, errno)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "%s: failed to disconnect, error %d\n" , c->name, (*__errno_location ())); |
| 1174 | return ret; |
| 1175 | } |
| 1176 | libnvme_msg(ctx, LIBNVME_LOG_INFO, "%s: %s disconnected\n",__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: %s disconnected\n" , c->name, c->subsysnqn) |
| 1177 | c->name, c->subsysnqn)__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: %s disconnected\n" , c->name, c->subsysnqn); |
| 1178 | nvme_deconfigure_ctrl(c); |
| 1179 | return 0; |
| 1180 | } |
| 1181 | |
| 1182 | static void nvmf_update_tls_concat(struct nvmf_disc_log_entry *e, |
| 1183 | libnvme_ctrl_t c, libnvme_host_t h) |
| 1184 | { |
| 1185 | if (!e) |
| 1186 | return; |
| 1187 | |
| 1188 | if (e->trtype != NVMF_TRTYPE_TCP || |
| 1189 | e->tsas.tcp.sectype == NVMF_TCP_SECTYPE_NONE) |
| 1190 | return; |
| 1191 | |
| 1192 | if (e->treq & NVMF_TREQ_REQUIRED) { |
| 1193 | libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG,__libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG, ((void*)0), "setting --tls due to treq %s and sectype %s\n" , libnvmf_treq_str(e->treq), libnvmf_sectype_str(e->tsas .tcp.sectype)) |
| 1194 | "setting --tls due to treq %s and sectype %s\n",__libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG, ((void*)0), "setting --tls due to treq %s and sectype %s\n" , libnvmf_treq_str(e->treq), libnvmf_sectype_str(e->tsas .tcp.sectype)) |
| 1195 | libnvmf_treq_str(e->treq),__libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG, ((void*)0), "setting --tls due to treq %s and sectype %s\n" , libnvmf_treq_str(e->treq), libnvmf_sectype_str(e->tsas .tcp.sectype)) |
| 1196 | libnvmf_sectype_str(e->tsas.tcp.sectype))__libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG, ((void*)0), "setting --tls due to treq %s and sectype %s\n" , libnvmf_treq_str(e->treq), libnvmf_sectype_str(e->tsas .tcp.sectype)); |
| 1197 | |
| 1198 | c->cfg.tls = true1; |
| 1199 | return; |
| 1200 | } |
| 1201 | |
| 1202 | if (e->treq & NVMF_TREQ_NOT_REQUIRED) { |
| 1203 | libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG,__libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG, ((void*)0), "setting --concat due to treq %s and sectype %s\n" , libnvmf_treq_str(e->treq), libnvmf_sectype_str(e->tsas .tcp.sectype)) |
| 1204 | "setting --concat due to treq %s and sectype %s\n",__libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG, ((void*)0), "setting --concat due to treq %s and sectype %s\n" , libnvmf_treq_str(e->treq), libnvmf_sectype_str(e->tsas .tcp.sectype)) |
| 1205 | libnvmf_treq_str(e->treq),__libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG, ((void*)0), "setting --concat due to treq %s and sectype %s\n" , libnvmf_treq_str(e->treq), libnvmf_sectype_str(e->tsas .tcp.sectype)) |
| 1206 | libnvmf_sectype_str(e->tsas.tcp.sectype))__libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG, ((void*)0), "setting --concat due to treq %s and sectype %s\n" , libnvmf_treq_str(e->treq), libnvmf_sectype_str(e->tsas .tcp.sectype)); |
| 1207 | |
| 1208 | c->cfg.concat = true1; |
| 1209 | return; |
| 1210 | } |
| 1211 | } |
| 1212 | |
| 1213 | static int nvmf_connect_disc_entry(libnvme_host_t h, |
| 1214 | struct nvmf_disc_log_entry *e, |
| 1215 | struct libnvmf_context *fctx, |
| 1216 | bool_Bool *discover, libnvme_ctrl_t *cp) |
| 1217 | { |
| 1218 | libnvme_ctrl_t c; |
| 1219 | int ret; |
| 1220 | |
| 1221 | switch (e->trtype) { |
| 1222 | case NVMF_TRTYPE_RDMA: |
| 1223 | case NVMF_TRTYPE_TCP: |
| 1224 | switch (e->adrfam) { |
| 1225 | case NVMF_ADDR_FAMILY_IP4: |
| 1226 | case NVMF_ADDR_FAMILY_IP6: |
| 1227 | fctx->ctrl_params.traddr = e->traddr; |
| 1228 | fctx->ctrl_params.trsvcid = e->trsvcid; |
| 1229 | break; |
| 1230 | default: |
| 1231 | libnvme_msg(h->ctx, LIBNVME_LOG_ERR,__libnvme_msg(h->ctx, LIBNVME_LOG_ERR, ((void*)0), "skipping unsupported adrfam %d\n" , e->adrfam) |
| 1232 | "skipping unsupported adrfam %d\n",__libnvme_msg(h->ctx, LIBNVME_LOG_ERR, ((void*)0), "skipping unsupported adrfam %d\n" , e->adrfam) |
| 1233 | e->adrfam)__libnvme_msg(h->ctx, LIBNVME_LOG_ERR, ((void*)0), "skipping unsupported adrfam %d\n" , e->adrfam); |
| 1234 | return -EINVAL22; |
| 1235 | } |
| 1236 | break; |
| 1237 | case NVMF_TRTYPE_FC: |
| 1238 | switch (e->adrfam) { |
| 1239 | case NVMF_ADDR_FAMILY_FC: |
| 1240 | fctx->ctrl_params.traddr = e->traddr; |
| 1241 | break; |
| 1242 | default: |
| 1243 | libnvme_msg(h->ctx, LIBNVME_LOG_ERR,__libnvme_msg(h->ctx, LIBNVME_LOG_ERR, ((void*)0), "skipping unsupported adrfam %d\n" , e->adrfam) |
| 1244 | "skipping unsupported adrfam %d\n",__libnvme_msg(h->ctx, LIBNVME_LOG_ERR, ((void*)0), "skipping unsupported adrfam %d\n" , e->adrfam) |
| 1245 | e->adrfam)__libnvme_msg(h->ctx, LIBNVME_LOG_ERR, ((void*)0), "skipping unsupported adrfam %d\n" , e->adrfam); |
| 1246 | return -EINVAL22; |
| 1247 | } |
| 1248 | break; |
| 1249 | case NVMF_TRTYPE_LOOP: |
| 1250 | fctx->ctrl_params.traddr = strlen(e->traddr) ? e->traddr : NULL((void*)0); |
| 1251 | break; |
| 1252 | default: |
| 1253 | libnvme_msg(h->ctx, LIBNVME_LOG_ERR, "skipping unsupported transport %d\n",__libnvme_msg(h->ctx, LIBNVME_LOG_ERR, ((void*)0), "skipping unsupported transport %d\n" , e->trtype) |
| 1254 | e->trtype)__libnvme_msg(h->ctx, LIBNVME_LOG_ERR, ((void*)0), "skipping unsupported transport %d\n" , e->trtype); |
| 1255 | return -EINVAL22; |
| 1256 | } |
| 1257 | |
| 1258 | fctx->ctrl_params.transport = libnvmf_trtype_str(e->trtype); |
| 1259 | fctx->ctrl_params.subsysnqn = e->subnqn; |
| 1260 | |
| 1261 | libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG,__libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG, ((void*)0), "lookup ctrl (transport: %s, traddr: %s, trsvcid %s)\n" , fctx->ctrl_params.transport, fctx->ctrl_params.traddr , fctx->ctrl_params.trsvcid) |
| 1262 | "lookup ctrl (transport: %s, traddr: %s, trsvcid %s)\n",__libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG, ((void*)0), "lookup ctrl (transport: %s, traddr: %s, trsvcid %s)\n" , fctx->ctrl_params.transport, fctx->ctrl_params.traddr , fctx->ctrl_params.trsvcid) |
| 1263 | fctx->ctrl_params.transport, fctx->ctrl_params.traddr,__libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG, ((void*)0), "lookup ctrl (transport: %s, traddr: %s, trsvcid %s)\n" , fctx->ctrl_params.transport, fctx->ctrl_params.traddr , fctx->ctrl_params.trsvcid) |
| 1264 | fctx->ctrl_params.trsvcid)__libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG, ((void*)0), "lookup ctrl (transport: %s, traddr: %s, trsvcid %s)\n" , fctx->ctrl_params.transport, fctx->ctrl_params.traddr , fctx->ctrl_params.trsvcid); |
| 1265 | |
| 1266 | ret = libnvme_create_ctrl(h->ctx, &fctx->ctrl_params, &c); |
| 1267 | if (ret) { |
| 1268 | libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG, "skipping discovery entry, "__libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG, ((void*)0), "skipping discovery entry, " "failed to allocate %s controller with traddr %s\n", fctx-> ctrl_params.transport, fctx->ctrl_params.traddr) |
| 1269 | "failed to allocate %s controller with traddr %s\n",__libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG, ((void*)0), "skipping discovery entry, " "failed to allocate %s controller with traddr %s\n", fctx-> ctrl_params.transport, fctx->ctrl_params.traddr) |
| 1270 | fctx->ctrl_params.transport, fctx->ctrl_params.traddr)__libnvme_msg(h->ctx, LIBNVME_LOG_DEBUG, ((void*)0), "skipping discovery entry, " "failed to allocate %s controller with traddr %s\n", fctx-> ctrl_params.transport, fctx->ctrl_params.traddr); |
| 1271 | return ret; |
| 1272 | } |
| 1273 | |
| 1274 | switch (e->subtype) { |
| 1275 | case NVME_NQN_CURR: |
| 1276 | libnvme_ctrl_set_discovered(c, true1); |
| 1277 | libnvme_ctrl_set_unique_discovery_ctrl(c, |
| 1278 | strcmp(e->subnqn, NVME_DISC_SUBSYS_NAME"nqn.2014-08.org.nvmexpress.discovery")); |
| 1279 | break; |
| 1280 | case NVME_NQN_DISC: |
| 1281 | if (discover) |
| 1282 | *discover = true1; |
| 1283 | libnvme_ctrl_set_discovery_ctrl(c, true1); |
| 1284 | libnvme_ctrl_set_unique_discovery_ctrl(c, |
| 1285 | strcmp(e->subnqn, NVME_DISC_SUBSYS_NAME"nqn.2014-08.org.nvmexpress.discovery")); |
| 1286 | break; |
| 1287 | default: |
| 1288 | libnvme_msg(h->ctx, LIBNVME_LOG_ERR, "unsupported subtype %d\n",__libnvme_msg(h->ctx, LIBNVME_LOG_ERR, ((void*)0), "unsupported subtype %d\n" , e->subtype) |
| 1289 | e->subtype)__libnvme_msg(h->ctx, LIBNVME_LOG_ERR, ((void*)0), "unsupported subtype %d\n" , e->subtype); |
| 1290 | fallthrough__attribute__((fallthrough)); |
| 1291 | case NVME_NQN_NVME: |
| 1292 | libnvme_ctrl_set_discovery_ctrl(c, false0); |
| 1293 | libnvme_ctrl_set_unique_discovery_ctrl(c, false0); |
| 1294 | break; |
| 1295 | } |
| 1296 | |
| 1297 | if (libnvme_ctrl_get_discovered(c)) { |
| 1298 | libnvme_free_ctrl(c); |
| 1299 | return -EAGAIN11; |
| 1300 | } |
| 1301 | |
| 1302 | if (e->treq & NVMF_TREQ_DISABLE_SQFLOW && |
| 1303 | nvmf_check_option(h->ctx, disable_sqflow)({ !__nvmf_supported_options(h->ctx) && h->ctx-> options->disable_sqflow; })) |
| 1304 | c->cfg.disable_sqflow = true1; |
| 1305 | |
| 1306 | /* update tls or concat */ |
| 1307 | nvmf_update_tls_concat(e, c, h); |
| 1308 | |
| 1309 | ret = libnvmf_add_ctrl(h, c); |
| 1310 | if (!ret) { |
| 1311 | *cp = c; |
| 1312 | return 0; |
| 1313 | } |
| 1314 | |
| 1315 | if (ret == EINVAL22 && c->cfg.disable_sqflow) { |
| 1316 | /* disable_sqflow is unrecognized option on older kernels */ |
| 1317 | libnvme_msg(h->ctx, LIBNVME_LOG_INFO, "failed to connect controller, "__libnvme_msg(h->ctx, LIBNVME_LOG_INFO, ((void*)0), "failed to connect controller, " "retry with disabling SQ flow control\n") |
| 1318 | "retry with disabling SQ flow control\n")__libnvme_msg(h->ctx, LIBNVME_LOG_INFO, ((void*)0), "failed to connect controller, " "retry with disabling SQ flow control\n"); |
| 1319 | c->cfg.disable_sqflow = false0; |
| 1320 | ret = libnvmf_add_ctrl(h, c); |
| 1321 | if (!ret) { |
| 1322 | *cp = c; |
| 1323 | return 0; |
| 1324 | } |
| 1325 | } |
| 1326 | libnvme_free_ctrl(c); |
| 1327 | return -ENOENT2; |
| 1328 | } |
| 1329 | |
| 1330 | /* |
| 1331 | * Most of nvmf_discovery_log is reserved, so only fetch the initial bytes. |
| 1332 | * 8 bytes for GENCTR, 8 for NUMREC, and 2 for RECFMT. |
| 1333 | * Since only multiples of 4 bytes are allowed, round 18 up to 20. |
| 1334 | */ |
| 1335 | #define DISCOVERY_HEADER_LEN20 20 |
| 1336 | |
| 1337 | static int nvme_discovery_log(libnvme_ctrl_t ctrl, |
| 1338 | const struct libnvmf_discovery_args *args, |
| 1339 | struct nvmf_discovery_log **logp) |
| 1340 | { |
| 1341 | struct libnvme_global_ctx *ctx = ctrl->ctx; |
| 1342 | struct nvmf_discovery_log *log; |
| 1343 | int retries = 0; |
| 1344 | int err; |
| 1345 | const char *name = libnvme_ctrl_get_name(ctrl); |
| 1346 | uint64_t genctr, numrec; |
| 1347 | struct libnvme_transport_handle *hdl; |
| 1348 | |
| 1349 | hdl = libnvme_ctrl_get_transport_handle(ctrl); |
| 1350 | struct libnvme_passthru_cmd cmd; |
| 1351 | |
| 1352 | log = libnvme_alloc(sizeof(*log)); |
| 1353 | if (!log) { |
| 1354 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "could not allocate memory for discovery log header\n" ) |
| 1355 | "could not allocate memory for discovery log header\n")__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "could not allocate memory for discovery log header\n" ); |
| 1356 | return -ENOMEM12; |
| 1357 | } |
| 1358 | |
| 1359 | libnvme_msg(ctx, LIBNVME_LOG_DEBUG, "%s: get header (try %d/%d)\n",__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "%s: get header (try %d/%d)\n" , name, retries, args->max_retries) |
| 1360 | name, retries, args->max_retries)__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "%s: get header (try %d/%d)\n" , name, retries, args->max_retries); |
| 1361 | nvme_init_get_log_discovery(&cmd, 0, log, DISCOVERY_HEADER_LEN20); |
| 1362 | err = libnvme_get_log(hdl, &cmd, false0, DISCOVERY_HEADER_LEN20); |
| 1363 | if (err) { |
| 1364 | libnvme_msg(ctx, LIBNVME_LOG_INFO,__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: discover try %d/%d failed, errno %d status 0x%x\n" , name, retries, args->max_retries, (*__errno_location ()) , err) |
| 1365 | "%s: discover try %d/%d failed, errno %d status 0x%x\n",__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: discover try %d/%d failed, errno %d status 0x%x\n" , name, retries, args->max_retries, (*__errno_location ()) , err) |
| 1366 | name, retries, args->max_retries, errno, err)__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: discover try %d/%d failed, errno %d status 0x%x\n" , name, retries, args->max_retries, (*__errno_location ()) , err); |
| 1367 | goto out_free_log; |
| 1368 | } |
| 1369 | |
| 1370 | do { |
| 1371 | size_t entries_size; |
| 1372 | |
| 1373 | numrec = le64_to_cpu(log->numrec); |
| 1374 | genctr = le64_to_cpu(log->genctr); |
| 1375 | |
| 1376 | if (numrec == 0) |
| 1377 | break; |
| 1378 | |
| 1379 | libnvme_free(log); |
| 1380 | entries_size = sizeof(*log->entries) * numrec; |
| 1381 | log = libnvme_alloc(sizeof(*log) + entries_size); |
| 1382 | if (!log) { |
| 1383 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "could not alloc memory for discovery log page\n" ) |
| 1384 | "could not alloc memory for discovery log page\n")__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "could not alloc memory for discovery log page\n" ); |
| 1385 | return -ENOMEM12; |
| 1386 | } |
| 1387 | |
| 1388 | libnvme_msg(ctx, LIBNVME_LOG_DEBUG,__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "%s: get %" "l" "u" " records (genctr %" "l" "u" ")\n", name, numrec, genctr ) |
| 1389 | "%s: get %" PRIu64 " records (genctr %" PRIu64 ")\n",__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "%s: get %" "l" "u" " records (genctr %" "l" "u" ")\n", name, numrec, genctr ) |
| 1390 | name, numrec, genctr)__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "%s: get %" "l" "u" " records (genctr %" "l" "u" ")\n", name, numrec, genctr ); |
| 1391 | |
| 1392 | nvme_init_get_log_discovery(&cmd, sizeof(*log), log->entries, entries_size); |
| 1393 | cmd.cdw10 |= NVME_FIELD_ENCODE(args->lsp,(((__u32)(args->lsp) & (NVME_LOG_CDW10_LSP_MASK)) << (NVME_LOG_CDW10_LSP_SHIFT)) |
| 1394 | NVME_LOG_CDW10_LSP_SHIFT,(((__u32)(args->lsp) & (NVME_LOG_CDW10_LSP_MASK)) << (NVME_LOG_CDW10_LSP_SHIFT)) |
| 1395 | NVME_LOG_CDW10_LSP_MASK)(((__u32)(args->lsp) & (NVME_LOG_CDW10_LSP_MASK)) << (NVME_LOG_CDW10_LSP_SHIFT)); |
| 1396 | err = libnvme_get_log(hdl, &cmd, false0, NVME_LOG_PAGE_PDU_SIZE4096); |
| 1397 | if (err) { |
| 1398 | libnvme_msg(ctx, LIBNVME_LOG_INFO,__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: discover try %d/%d failed, errno %d status 0x%x\n" , name, retries, args->max_retries, (*__errno_location ()) , err) |
| 1399 | "%s: discover try %d/%d failed, errno %d status 0x%x\n",__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: discover try %d/%d failed, errno %d status 0x%x\n" , name, retries, args->max_retries, (*__errno_location ()) , err) |
| 1400 | name, retries, args->max_retries, errno, err)__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: discover try %d/%d failed, errno %d status 0x%x\n" , name, retries, args->max_retries, (*__errno_location ()) , err); |
| 1401 | goto out_free_log; |
| 1402 | } |
| 1403 | |
| 1404 | /* |
| 1405 | * If the log page was read with multiple Get Log Page commands, |
| 1406 | * genctr must be checked afterwards to ensure atomicity |
| 1407 | */ |
| 1408 | libnvme_msg(ctx, LIBNVME_LOG_DEBUG, "%s: get header again\n", name)__libnvme_msg(ctx, LIBNVME_LOG_DEBUG, ((void*)0), "%s: get header again\n" , name); |
| 1409 | |
| 1410 | nvme_init_get_log_discovery(&cmd, 0, log, DISCOVERY_HEADER_LEN20); |
| 1411 | err = libnvme_get_log(hdl, &cmd, false0, DISCOVERY_HEADER_LEN20); |
| 1412 | if (err) { |
| 1413 | libnvme_msg(ctx, LIBNVME_LOG_INFO,__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: discover try %d/%d failed, errno %d status 0x%x\n" , name, retries, args->max_retries, (*__errno_location ()) , err) |
| 1414 | "%s: discover try %d/%d failed, errno %d status 0x%x\n",__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: discover try %d/%d failed, errno %d status 0x%x\n" , name, retries, args->max_retries, (*__errno_location ()) , err) |
| 1415 | name, retries, args->max_retries, errno, err)__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: discover try %d/%d failed, errno %d status 0x%x\n" , name, retries, args->max_retries, (*__errno_location ()) , err); |
| 1416 | goto out_free_log; |
| 1417 | } |
| 1418 | } while (genctr != le64_to_cpu(log->genctr) && |
| 1419 | ++retries < args->max_retries); |
| 1420 | |
| 1421 | if (genctr != le64_to_cpu(log->genctr)) { |
| 1422 | libnvme_msg(ctx, LIBNVME_LOG_INFO, "%s: discover genctr mismatch\n", name)__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: discover genctr mismatch\n" , name); |
| 1423 | err = -EAGAIN11; |
| 1424 | } else if (numrec != le64_to_cpu(log->numrec)) { |
| 1425 | libnvme_msg(ctx, LIBNVME_LOG_INFO,__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: numrec changed unexpectedly " "from %" "l" "u" " to %" "l" "u" "\n", name, numrec, le64_to_cpu (log->numrec)) |
| 1426 | "%s: numrec changed unexpectedly "__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: numrec changed unexpectedly " "from %" "l" "u" " to %" "l" "u" "\n", name, numrec, le64_to_cpu (log->numrec)) |
| 1427 | "from %" PRIu64 " to %" PRIu64 "\n",__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: numrec changed unexpectedly " "from %" "l" "u" " to %" "l" "u" "\n", name, numrec, le64_to_cpu (log->numrec)) |
| 1428 | name, numrec, le64_to_cpu(log->numrec))__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: numrec changed unexpectedly " "from %" "l" "u" " to %" "l" "u" "\n", name, numrec, le64_to_cpu (log->numrec)); |
| 1429 | err = -EBADSLT57; |
| 1430 | } else { |
| 1431 | *logp = log; |
| 1432 | return 0; |
| 1433 | } |
| 1434 | |
| 1435 | out_free_log: |
| 1436 | libnvme_free(log); |
| 1437 | return err; |
| 1438 | } |
| 1439 | |
| 1440 | static void sanitize_discovery_log_entry(struct libnvme_global_ctx *ctx, |
| 1441 | struct nvmf_disc_log_entry *e) |
| 1442 | { |
| 1443 | strchomp(e->trsvcid, sizeof(e->trsvcid)); |
| 1444 | strchomp(e->traddr, sizeof(e->traddr)); |
| 1445 | |
| 1446 | /* |
| 1447 | * Report traddr always in 'nn-0x:pn-0x' format, but some discovery logs |
| 1448 | * provide 'nn-0x,pn-0x'. |
| 1449 | */ |
| 1450 | if (e->trtype == NVMF_TRTYPE_FC) { |
| 1451 | char *comma = strchr(e->traddr, ','); |
| 1452 | |
| 1453 | if (comma) { |
| 1454 | libnvme_msg(ctx, LIBNVME_LOG_WARN,__libnvme_msg(ctx, LIBNVME_LOG_WARN, ((void*)0), "invalid traddr separator ',' instead ':', fixing it" ) |
| 1455 | "invalid traddr separator ',' instead ':', fixing it")__libnvme_msg(ctx, LIBNVME_LOG_WARN, ((void*)0), "invalid traddr separator ',' instead ':', fixing it" ); |
| 1456 | *comma = ':'; |
| 1457 | } |
| 1458 | } |
| 1459 | } |
| 1460 | |
| 1461 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_get_discovery_log(libnvme_ctrl_t ctrl, |
| 1462 | const struct libnvmf_discovery_args *args, |
| 1463 | struct nvmf_discovery_log **logp) |
| 1464 | { |
| 1465 | static const struct libnvmf_discovery_args defaults = { |
| 1466 | .max_retries = 6, |
| 1467 | .lsp = NVMF_LOG_DISC_LSP_NONE, |
| 1468 | }; |
| 1469 | struct nvmf_discovery_log *log; |
| 1470 | int err; |
| 1471 | |
| 1472 | if (!args) |
| 1473 | args = &defaults; |
| 1474 | |
| 1475 | err = nvme_discovery_log(ctrl, args, &log); |
| 1476 | if (err) |
| 1477 | return err; |
| 1478 | |
| 1479 | for (int i = 0; i < le64_to_cpu(log->numrec); i++) |
| 1480 | sanitize_discovery_log_entry(ctrl->ctx, &log->entries[i]); |
| 1481 | |
| 1482 | *logp = log; |
| 1483 | return 0; |
| 1484 | } |
| 1485 | |
| 1486 | |
| 1487 | /** |
| 1488 | * nvmf_get_tel() - Calculate the amount of memory needed for a DIE. |
| 1489 | * @hostsymname: Symbolic name (may be NULL) |
| 1490 | * |
| 1491 | * Each Discovery Information Entry (DIE) must contain at a minimum an |
| 1492 | * Extended Attribute for the HostID. The Entry may optionally contain an |
| 1493 | * Extended Attribute for the Symbolic Name. |
| 1494 | * |
| 1495 | * Return: Total Entry Length |
| 1496 | */ |
| 1497 | static __u32 nvmf_get_tel(const char *hostsymname) |
| 1498 | { |
| 1499 | __u32 tel = sizeof(struct nvmf_ext_die); |
| 1500 | __u16 len; |
| 1501 | |
| 1502 | /* Host ID is mandatory */ |
| 1503 | tel += libnvmf_exat_size(NVME_UUID_LEN16); |
| 1504 | |
| 1505 | /* Symbolic name is optional */ |
| 1506 | len = hostsymname ? strlen(hostsymname) : 0; |
| 1507 | if (len) |
| 1508 | tel += libnvmf_exat_size(len); |
| 1509 | |
| 1510 | return tel; |
| 1511 | } |
| 1512 | |
| 1513 | /** |
| 1514 | * nvmf_fill_die() - Fill a Discovery Information Entry. |
| 1515 | * @die: Pointer to Discovery Information Entry to be filled |
| 1516 | * @h: Pointer to the host data structure |
| 1517 | * @tel: Length of the DIE |
| 1518 | * @trtype: Transport type |
| 1519 | * @adrfam: Address family |
| 1520 | * @reg_addr: Address to register. Setting this to an empty string tells |
| 1521 | * the DC to infer address from the source address of the socket. |
| 1522 | * @tsas: Transport Specific Address Subtype for the address being |
| 1523 | * registered. |
| 1524 | */ |
| 1525 | static void nvmf_fill_die(struct nvmf_ext_die *die, struct libnvme_host *h, |
| 1526 | __u32 tel, __u8 trtype, __u8 adrfam, |
| 1527 | const char *reg_addr, union nvmf_tsas *tsas) |
| 1528 | { |
| 1529 | __u16 numexat = 0; |
| 1530 | size_t symname_len; |
| 1531 | struct nvmf_ext_attr *exat; |
| 1532 | |
| 1533 | die->tel = cpu_to_le32(tel); |
| 1534 | die->trtype = trtype; |
| 1535 | die->adrfam = adrfam; |
| 1536 | |
| 1537 | memcpy(die->nqn, h->hostnqn, MIN(sizeof(die->nqn), strlen(h->hostnqn))(((sizeof(die->nqn))<(strlen(h->hostnqn)))?(sizeof(die ->nqn)):(strlen(h->hostnqn)))); |
| 1538 | memcpy(die->traddr, reg_addr, MIN(sizeof(die->traddr), strlen(reg_addr))(((sizeof(die->traddr))<(strlen(reg_addr)))?(sizeof(die ->traddr)):(strlen(reg_addr)))); |
| 1539 | |
| 1540 | if (tsas) |
| 1541 | memcpy(&die->tsas, tsas, sizeof(die->tsas)); |
| 1542 | |
| 1543 | /* Extended Attribute for the HostID (mandatory) */ |
| 1544 | numexat++; |
| 1545 | exat = die->exat; |
| 1546 | exat->exattype = cpu_to_le16(NVMF_EXATTYPE_HOSTID); |
| 1547 | exat->exatlen = cpu_to_le16(libnvmf_exat_len(NVME_UUID_LEN16)); |
| 1548 | libnvme_uuid_from_string(h->hostid, exat->exatval); |
| 1549 | |
| 1550 | /* Extended Attribute for the Symbolic Name (optional) */ |
| 1551 | symname_len = h->hostsymname ? strlen(h->hostsymname) : 0; |
| 1552 | if (symname_len) { |
| 1553 | __u16 exatlen = libnvmf_exat_len(symname_len); |
| 1554 | |
| 1555 | numexat++; |
| 1556 | exat = libnvmf_exat_ptr_next(exat); |
| 1557 | exat->exattype = cpu_to_le16(NVMF_EXATTYPE_SYMNAME); |
| 1558 | exat->exatlen = cpu_to_le16(exatlen); |
| 1559 | memcpy(exat->exatval, h->hostsymname, symname_len); |
| 1560 | /* Per Base specs, ASCII strings must be padded with spaces */ |
| 1561 | memset(&exat->exatval[symname_len], ' ', exatlen - symname_len); |
| 1562 | } |
| 1563 | |
| 1564 | die->numexat = cpu_to_le16(numexat); |
| 1565 | } |
| 1566 | |
| 1567 | /** |
| 1568 | * nvmf_dim() - Explicit reg, dereg, reg-update issuing DIM |
| 1569 | * @c: Host NVMe controller instance maintaining the admin queue used to |
| 1570 | * submit the DIM command to the DC. |
| 1571 | * @tas: Task field of the Command Dword 10 (cdw10). Indicates whether to |
| 1572 | * perform a Registration, Deregistration, or Registration-update. |
| 1573 | * @trtype: Transport type (&enum nvmf_trtype - must be NVMF_TRTYPE_TCP) |
| 1574 | * @adrfam: Address family (&enum nvmf_addr_family) |
| 1575 | * @reg_addr: Address to register. Setting this to an empty string tells |
| 1576 | * the DC to infer address from the source address of the socket. |
| 1577 | * @tsas: Transport Specific Address Subtype for the address being |
| 1578 | * registered. |
| 1579 | * @result: Location where to save the command-specific result returned by |
| 1580 | * the discovery controller. |
| 1581 | * |
| 1582 | * Perform explicit registration, deregistration, or |
| 1583 | * registration-update (specified by @tas) by sending a Discovery |
| 1584 | * Information Management (DIM) command to the Discovery Controller |
| 1585 | * (DC). |
| 1586 | * |
| 1587 | * Return: 0 on success; on failure -1 is returned and errno is set |
| 1588 | */ |
| 1589 | static int nvmf_dim(libnvme_ctrl_t c, enum nvmf_dim_tas tas, __u8 trtype, |
| 1590 | __u8 adrfam, const char *reg_addr, union nvmf_tsas *tsas, |
| 1591 | __u32 *result) |
| 1592 | { |
| 1593 | struct libnvme_global_ctx *ctx = c->s && c->s->h ? c->s->h->ctx : NULL((void*)0); |
| 1594 | __cleanup_free__attribute__((cleanup(freep))) struct nvmf_dim_data *dim = NULL((void*)0); |
| 1595 | struct libnvme_transport_handle *hdl = libnvme_ctrl_get_transport_handle(c); |
| 1596 | struct libnvme_passthru_cmd cmd; |
| 1597 | struct nvmf_ext_die *die; |
| 1598 | __u32 tdl; |
| 1599 | __u32 tel; |
| 1600 | int ret; |
| 1601 | |
| 1602 | if (!c->s) { |
| 1603 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "%s: failed to perform DIM. subsystem undefined.\n" , c->name) |
| 1604 | "%s: failed to perform DIM. subsystem undefined.\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "%s: failed to perform DIM. subsystem undefined.\n" , c->name) |
| 1605 | c->name)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "%s: failed to perform DIM. subsystem undefined.\n" , c->name); |
| 1606 | return -EINVAL22; |
| 1607 | } |
| 1608 | |
| 1609 | if (!c->s->h) { |
| 1610 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "%s: failed to perform DIM. host undefined.\n" , c->name) |
| 1611 | "%s: failed to perform DIM. host undefined.\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "%s: failed to perform DIM. host undefined.\n" , c->name) |
| 1612 | c->name)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "%s: failed to perform DIM. host undefined.\n" , c->name); |
| 1613 | return -EINVAL22; |
| 1614 | } |
| 1615 | |
| 1616 | if (!c->s->h->hostid) { |
| 1617 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "%s: failed to perform DIM. hostid undefined.\n" , c->name) |
| 1618 | "%s: failed to perform DIM. hostid undefined.\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "%s: failed to perform DIM. hostid undefined.\n" , c->name) |
| 1619 | c->name)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "%s: failed to perform DIM. hostid undefined.\n" , c->name); |
| 1620 | return -EINVAL22; |
| 1621 | } |
| 1622 | |
| 1623 | if (!c->s->h->hostnqn) { |
| 1624 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "%s: failed to perform DIM. hostnqn undefined.\n" , c->name) |
| 1625 | "%s: failed to perform DIM. hostnqn undefined.\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "%s: failed to perform DIM. hostnqn undefined.\n" , c->name) |
| 1626 | c->name)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "%s: failed to perform DIM. hostnqn undefined.\n" , c->name); |
| 1627 | return -EINVAL22; |
| 1628 | } |
| 1629 | |
| 1630 | if (strcmp(c->transport, "tcp")) { |
| 1631 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "%s: DIM only supported for TCP connections.\n" , c->name) |
| 1632 | "%s: DIM only supported for TCP connections.\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "%s: DIM only supported for TCP connections.\n" , c->name) |
| 1633 | c->name)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "%s: DIM only supported for TCP connections.\n" , c->name); |
| 1634 | return -EINVAL22; |
| 1635 | } |
| 1636 | |
| 1637 | /* Register one Discovery Information Entry (DIE) of size TEL */ |
| 1638 | tel = nvmf_get_tel(c->s->h->hostsymname); |
| 1639 | tdl = sizeof(struct nvmf_dim_data) + tel; |
| 1640 | |
| 1641 | dim = (struct nvmf_dim_data *)calloc(1, tdl); |
| 1642 | if (!dim) { |
| 1643 | return -ENOMEM12; |
| 1644 | } |
| 1645 | |
| 1646 | dim->tdl = cpu_to_le32(tdl); |
| 1647 | dim->nument = cpu_to_le64(1); /* only one DIE to register */ |
| 1648 | dim->entfmt = cpu_to_le16(NVMF_DIM_ENTFMT_EXTENDED); |
| 1649 | dim->etype = cpu_to_le16(NVMF_DIM_ETYPE_HOST); |
| 1650 | dim->ektype = cpu_to_le16(0x5F); /* must be 0x5F per specs */ |
| 1651 | |
| 1652 | memcpy(dim->eid, c->s->h->hostnqn, |
| 1653 | MIN(sizeof(dim->eid), strlen(c->s->h->hostnqn))(((sizeof(dim->eid))<(strlen(c->s->h->hostnqn) ))?(sizeof(dim->eid)):(strlen(c->s->h->hostnqn)))); |
| 1654 | |
| 1655 | ret = libnvmf_get_entity_name(dim->ename, sizeof(dim->ename)); |
| 1656 | if (ret < 0) |
| 1657 | libnvme_msg(ctx, LIBNVME_LOG_INFO, "%s: Failed to retrieve ENAME. %s.\n",__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: Failed to retrieve ENAME. %s.\n" , c->name, libnvme_strerror(-ret)) |
| 1658 | c->name, libnvme_strerror(-ret))__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: Failed to retrieve ENAME. %s.\n" , c->name, libnvme_strerror(-ret)); |
| 1659 | else if (ret == 0) |
| 1660 | libnvme_msg(ctx, LIBNVME_LOG_INFO, "%s: Failed to retrieve ENAME.\n",__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: Failed to retrieve ENAME.\n" , c->name) |
| 1661 | c->name)__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: Failed to retrieve ENAME.\n" , c->name); |
| 1662 | |
| 1663 | ret = libnvmf_get_entity_version(dim->ever, sizeof(dim->ever)); |
| 1664 | if (ret <= 0) |
| 1665 | libnvme_msg(ctx, LIBNVME_LOG_INFO, "%s: Failed to retrieve EVER.\n", c->name)__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "%s: Failed to retrieve EVER.\n" , c->name); |
| 1666 | |
| 1667 | die = &dim->die->extended; |
| 1668 | nvmf_fill_die(die, c->s->h, tel, trtype, adrfam, reg_addr, tsas); |
| 1669 | |
| 1670 | nvme_init_dim_send(&cmd, tas, dim, tdl); |
| 1671 | return libnvme_exec_admin_passthru(hdl, &cmd); |
| 1672 | } |
| 1673 | |
| 1674 | /** |
| 1675 | * nvme_get_adrfam() - Get address family for the address we're registering |
| 1676 | * with the DC. |
| 1677 | * |
| 1678 | * We retrieve this info from the socket itself. If we can't get the source |
| 1679 | * address from the socket, then we'll infer the address family from the |
| 1680 | * address of the DC since the DC address has the same address family. |
| 1681 | * |
| 1682 | * @c: Host NVMe controller instance maintaining the admin queue used to |
| 1683 | * submit the DIM command to the DC. |
| 1684 | * |
| 1685 | * Return: The address family of the source address associated with the |
| 1686 | * socket connected to the DC. |
| 1687 | */ |
| 1688 | static __u8 nvme_get_adrfam(libnvme_ctrl_t c) |
| 1689 | { |
| 1690 | struct sockaddr_storage addr; |
| 1691 | __u8 adrfam = NVMF_ADDR_FAMILY_IP4; |
| 1692 | struct libnvme_global_ctx *ctx = c->s && c->s->h ? c->s->h->ctx : NULL((void*)0); |
| 1693 | |
| 1694 | if (!inet_pton_with_scope(ctx, AF_UNSPEC0, c->traddr, c->trsvcid, &addr)) { |
| 1695 | if (addr.ss_family == AF_INET610) |
| 1696 | adrfam = NVMF_ADDR_FAMILY_IP6; |
| 1697 | } |
| 1698 | |
| 1699 | return adrfam; |
| 1700 | } |
| 1701 | |
| 1702 | /* These string definitions must match with the kernel */ |
| 1703 | static const char *cntrltype_str[] = { |
| 1704 | [NVME_CTRL_CNTRLTYPE_IO] = "io", |
| 1705 | [NVME_CTRL_CNTRLTYPE_DISCOVERY] = "discovery", |
| 1706 | [NVME_CTRL_CNTRLTYPE_ADMIN] = "admin", |
| 1707 | }; |
| 1708 | |
| 1709 | static const char *dctype_str[] = { |
| 1710 | [NVME_CTRL_DCTYPE_NOT_REPORTED] = "none", |
| 1711 | [NVME_CTRL_DCTYPE_DDC] = "ddc", |
| 1712 | [NVME_CTRL_DCTYPE_CDC] = "cdc", |
| 1713 | }; |
| 1714 | |
| 1715 | /** |
| 1716 | * nvme_fetch_cntrltype_dctype_from_id - Get cntrltype and dctype from identify command |
| 1717 | * @c: Controller instance |
| 1718 | * |
| 1719 | * On legacy kernels the cntrltype and dctype are not exposed through the |
| 1720 | * sysfs. We must get them directly from the controller by performing an |
| 1721 | * identify command. |
| 1722 | */ |
| 1723 | static int nvme_fetch_cntrltype_dctype_from_id(libnvme_ctrl_t c) |
| 1724 | { |
| 1725 | __cleanup_libnvme_free__attribute__((cleanup(libnvme_freep))) struct nvme_id_ctrl *id = NULL((void*)0); |
| 1726 | int ret; |
| 1727 | |
| 1728 | id = libnvme_alloc(sizeof(*id)); |
| 1729 | if (!id) |
| 1730 | return -ENOMEM12; |
| 1731 | |
| 1732 | ret = libnvme_ctrl_identify(c, id); |
| 1733 | if (ret) |
| 1734 | return ret; |
| 1735 | |
| 1736 | if (!c->cntrltype) { |
| 1737 | if (id->cntrltype > NVME_CTRL_CNTRLTYPE_ADMIN || !cntrltype_str[id->cntrltype]) |
| 1738 | c->cntrltype = strdup("reserved"); |
| 1739 | else |
| 1740 | c->cntrltype = strdup(cntrltype_str[id->cntrltype]); |
| 1741 | } |
| 1742 | |
| 1743 | if (!c->dctype) { |
| 1744 | if (id->dctype > NVME_CTRL_DCTYPE_CDC || !dctype_str[id->dctype]) |
| 1745 | c->dctype = strdup("reserved"); |
| 1746 | else |
| 1747 | c->dctype = strdup(dctype_str[id->dctype]); |
| 1748 | } |
| 1749 | return 0; |
| 1750 | } |
| 1751 | |
| 1752 | __libnvme_public__attribute__((visibility("default"))) bool_Bool libnvmf_is_registration_supported(libnvme_ctrl_t c) |
| 1753 | { |
| 1754 | if (!c->cntrltype || !c->dctype) |
| 1755 | if (nvme_fetch_cntrltype_dctype_from_id(c)) |
| 1756 | return false0; |
| 1757 | |
| 1758 | return !strcmp(c->dctype, "ddc") || !strcmp(c->dctype, "cdc"); |
| 1759 | } |
| 1760 | |
| 1761 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_register_ctrl( |
| 1762 | libnvme_ctrl_t c, enum nvmf_dim_tas tas, __u32 *result) |
| 1763 | { |
| 1764 | if (!libnvmf_is_registration_supported(c)) |
| 1765 | return -ENOTSUP95; |
| 1766 | |
| 1767 | /* We're registering our source address with the DC. To do |
| 1768 | * that, we can simply send an empty string. This tells the DC |
| 1769 | * to retrieve the source address from the socket and use that |
| 1770 | * as the registration address. |
| 1771 | */ |
| 1772 | return nvmf_dim(c, tas, NVMF_TRTYPE_TCP, nvme_get_adrfam(c), "", NULL((void*)0), result); |
| 1773 | } |
| 1774 | |
| 1775 | #define IS_XDIGIT(c)((c >= '0' && c <= '9') || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f')) ((c >= '0' && c <= '9') || \ |
| 1776 | (c >= 'A' && c <= 'F') || \ |
| 1777 | (c >= 'a' && c <= 'f')) |
| 1778 | #define XDIGIT_VAL(c)((c >= '0' && c <= '9') ? c - '0' : ( (c >= 'A' && c <= 'F') ? c - 'A' + 10 : c - 'a' + 10)) ((c >= '0' && c <= '9') ? c - '0' : ( \ |
| 1779 | (c >= 'A' && c <= 'F') ? c - 'A' + 10 : c - 'a' + 10)) |
| 1780 | |
| 1781 | /* returns newly allocated string */ |
| 1782 | static char *unescape_uri(const char *str, int len) |
| 1783 | { |
| 1784 | char *dst; |
| 1785 | int l; |
| 1786 | int i, j; |
| 1787 | |
| 1788 | l = len > 0 ? len : strlen(str); |
| 1789 | dst = malloc(l + 1); |
| 1790 | for (i = 0, j = 0; i < l; i++, j++) { |
| 1791 | if (str[i] == '%' && i + 2 < l && |
| 1792 | IS_XDIGIT(str[i + 1])((str[i + 1] >= '0' && str[i + 1] <= '9') || (str [i + 1] >= 'A' && str[i + 1] <= 'F') || (str[i + 1] >= 'a' && str[i + 1] <= 'f')) && IS_XDIGIT(str[i + 2])((str[i + 2] >= '0' && str[i + 2] <= '9') || (str [i + 2] >= 'A' && str[i + 2] <= 'F') || (str[i + 2] >= 'a' && str[i + 2] <= 'f'))) { |
| 1793 | dst[j] = (XDIGIT_VAL(str[i + 1])((str[i + 1] >= '0' && str[i + 1] <= '9') ? str [i + 1] - '0' : ( (str[i + 1] >= 'A' && str[i + 1] <= 'F') ? str[i + 1] - 'A' + 10 : str[i + 1] - 'a' + 10)) << 4) + |
| 1794 | XDIGIT_VAL(str[i + 2])((str[i + 2] >= '0' && str[i + 2] <= '9') ? str [i + 2] - '0' : ( (str[i + 2] >= 'A' && str[i + 2] <= 'F') ? str[i + 2] - 'A' + 10 : str[i + 2] - 'a' + 10)); |
| 1795 | i += 2; |
| 1796 | } else |
| 1797 | dst[j] = str[i]; |
| 1798 | } |
| 1799 | dst[j] = '\0'; |
| 1800 | return dst; |
| 1801 | } |
| 1802 | |
| 1803 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_uri_parse( |
| 1804 | const char *str, struct libnvmf_uri **urip) |
| 1805 | { |
| 1806 | __cleanup_uri__attribute__((cleanup(free_uri))) struct libnvmf_uri *uri = NULL((void*)0); |
| 1807 | __cleanup_free__attribute__((cleanup(freep))) char *scheme = NULL((void*)0); |
| 1808 | __cleanup_free__attribute__((cleanup(freep))) char *authority = NULL((void*)0); |
| 1809 | __cleanup_free__attribute__((cleanup(freep))) char *path = NULL((void*)0); |
| 1810 | __cleanup_free__attribute__((cleanup(freep))) char *h = NULL((void*)0); |
| 1811 | const char *host; |
| 1812 | int i; |
| 1813 | |
| 1814 | /* As defined in Boot Specification rev. 1.0: |
| 1815 | * |
| 1816 | * section 1.5.7: NVMe-oF URI Format |
| 1817 | * nvme+tcp://192.168.1.1:4420/ |
| 1818 | * nvme+tcp://[FE80::1010]:4420/ |
| 1819 | * |
| 1820 | * section 3.1.2.5.3: DHCP Root-Path - a hierarchical NVMe-oF URI Format |
| 1821 | * NVME<+PROTOCOL>://<SERVERNAME/IP>[:TRANSPORT PORT]/<SUBSYS NQN>/<NID> |
| 1822 | * or |
| 1823 | * NVME<+PROTOCOL>://<DISCOVERY CONTROLLER ADDRESS>[:DISCOVERY- |
| 1824 | * -CONTROLLER PORT]/NQN.2014-08.ORG.NVMEXPRESS.DISCOVERY/<NID> |
| 1825 | */ |
| 1826 | |
| 1827 | uri = calloc(1, sizeof(struct libnvmf_uri)); |
| 1828 | if (!uri) |
| 1829 | return -ENOMEM12; |
| 1830 | |
| 1831 | if (sscanf(str, "%m[^:/]://%m[^/?#]%ms", |
| 1832 | &scheme, &authority, &path) < 2) |
| 1833 | return -EINVAL22; |
| 1834 | |
| 1835 | if (sscanf(scheme, "%m[^+]+%ms", |
| 1836 | &uri->scheme, &uri->protocol) < 1) |
| 1837 | return -EINVAL22; |
| 1838 | |
| 1839 | /* split userinfo */ |
| 1840 | host = strrchr(authority, '@'); |
| 1841 | if (host) { |
| 1842 | host++; |
| 1843 | uri->userinfo = unescape_uri(authority, host - authority); |
| 1844 | } else |
| 1845 | host = authority; |
| 1846 | |
| 1847 | /* try matching IPv6 address first */ |
| 1848 | if (sscanf(host, "[%m[^]]]:%d", |
| 1849 | &uri->host, &uri->port) < 1) { |
| 1850 | /* treat it as IPv4/hostname */ |
| 1851 | if (sscanf(host, "%m[^:]:%d", |
| 1852 | &h, &uri->port) < 1) |
| 1853 | return -EINVAL22; |
| 1854 | uri->host = unescape_uri(h, 0); |
| 1855 | } |
| 1856 | |
| 1857 | /* split path into elements */ |
| 1858 | if (path) { |
| 1859 | char *e, *elem; |
| 1860 | |
| 1861 | /* separate the fragment */ |
| 1862 | e = strrchr(path, '#'); |
| 1863 | if (e) { |
| 1864 | uri->fragment = unescape_uri(e + 1, 0); |
| 1865 | *e = '\0'; |
| 1866 | } |
| 1867 | /* separate the query string */ |
| 1868 | e = strrchr(path, '?'); |
| 1869 | if (e) { |
| 1870 | uri->query = unescape_uri(e + 1, 0); |
| 1871 | *e = '\0'; |
| 1872 | } |
| 1873 | |
| 1874 | /* count elements first */ |
| 1875 | for (i = 0, e = path; *e; e++) |
| 1876 | if (*e == '/' && *(e + 1) != '/') |
| 1877 | i++; |
| 1878 | uri->path_segments = calloc(i + 2, sizeof(char *)); |
| 1879 | |
| 1880 | i = 0; |
| 1881 | elem = strtok_r(path, "/", &e); |
| 1882 | if (elem) |
| 1883 | uri->path_segments[i++] = unescape_uri(elem, 0); |
| 1884 | while (elem && strlen(elem)) { |
| 1885 | elem = strtok_r(NULL((void*)0), "/", &e); |
| 1886 | if (elem) |
| 1887 | uri->path_segments[i++] = unescape_uri(elem, 0); |
| 1888 | } |
| 1889 | } |
| 1890 | |
| 1891 | *urip = uri; |
| 1892 | uri = NULL((void*)0); |
| 1893 | |
| 1894 | return 0; |
| 1895 | } |
| 1896 | |
| 1897 | __libnvme_public__attribute__((visibility("default"))) void libnvmf_uri_free(struct libnvmf_uri *uri) |
| 1898 | { |
| 1899 | char **s; |
| 1900 | |
| 1901 | if (!uri) |
| 1902 | return; |
| 1903 | free(uri->scheme); |
| 1904 | free(uri->protocol); |
| 1905 | free(uri->userinfo); |
| 1906 | free(uri->host); |
| 1907 | for (s = uri->path_segments; s && *s; s++) |
| 1908 | free(*s); |
| 1909 | free(uri->path_segments); |
| 1910 | free(uri->query); |
| 1911 | free(uri->fragment); |
| 1912 | free(uri); |
| 1913 | } |
| 1914 | |
| 1915 | static libnvme_ctrl_t lookup_ctrl(libnvme_host_t h, struct libnvmf_context *fctx) |
| 1916 | { |
| 1917 | libnvme_subsystem_t s; |
| 1918 | libnvme_ctrl_t c; |
| 1919 | |
| 1920 | libnvme_for_each_subsystem(h, s)for (s = libnvme_first_subsystem(h); s != ((void*)0); s = libnvme_next_subsystem (h, s)) { |
| 1921 | c = libnvmf_ctrl_find(s, fctx); |
| 1922 | if (c) |
| 1923 | return c; |
| 1924 | } |
| 1925 | |
| 1926 | return NULL((void*)0); |
| 1927 | } |
| 1928 | |
| 1929 | static int lookup_host(struct libnvme_global_ctx *ctx, |
| 1930 | struct libnvmf_context *fctx, struct libnvme_host **host) |
| 1931 | { |
| 1932 | __cleanup_free__attribute__((cleanup(freep))) char *hnqn = NULL((void*)0); |
| 1933 | __cleanup_free__attribute__((cleanup(freep))) char *hid = NULL((void*)0); |
| 1934 | struct libnvme_host *h; |
| 1935 | int err; |
| 1936 | |
| 1937 | err = libnvme_host_get_ids(ctx, fctx->hostnqn, fctx->hostid, &hnqn, &hid); |
| 1938 | if (err < 0) |
| 1939 | return err; |
| 1940 | |
| 1941 | h = libnvme_lookup_host(ctx, hnqn, hid); |
| 1942 | if (!h) |
| 1943 | return -ENOMEM12; |
| 1944 | |
| 1945 | *host = h; |
| 1946 | |
| 1947 | return 0; |
| 1948 | } |
| 1949 | |
| 1950 | static int setup_connection(struct libnvmf_context *fctx, struct libnvme_host *h, |
| 1951 | bool_Bool discovery) |
| 1952 | { |
| 1953 | if (fctx->hostkey) |
| 1954 | libnvme_host_set_dhchap_host_key(h, fctx->hostkey); |
| 1955 | |
| 1956 | if (!fctx->ctrl_params.trsvcid) |
| 1957 | fctx->ctrl_params.trsvcid = |
| 1958 | libnvmf_get_default_trsvcid(fctx->ctrl_params.transport, |
| 1959 | discovery); |
| 1960 | |
| 1961 | return 0; |
| 1962 | } |
| 1963 | |
| 1964 | |
| 1965 | static int set_discovery_kato(struct libnvmf_context *fctx) |
| 1966 | { |
| 1967 | int tmo = fctx->ctrl_params.cfg.keep_alive_tmo; |
| 1968 | |
| 1969 | /* Set kato to NVMF_DEF_DISC_TMO for persistent controllers */ |
| 1970 | if (fctx->persistent && !fctx->ctrl_params.cfg.keep_alive_tmo) |
| 1971 | fctx->ctrl_params.cfg.keep_alive_tmo = |
| 1972 | fctx->default_keep_alive_timeout; |
| 1973 | /* Set kato to zero for non-persistent controllers */ |
| 1974 | else if (!fctx->persistent && |
| 1975 | (fctx->ctrl_params.cfg.keep_alive_tmo > 0)) |
| 1976 | fctx->ctrl_params.cfg.keep_alive_tmo = 0; |
| 1977 | |
| 1978 | return tmo; |
| 1979 | } |
| 1980 | |
| 1981 | static void nvme_parse_tls_args(const char *keyring, const char *tls_key, |
| 1982 | const char *tls_key_identity, |
| 1983 | struct libnvme_fabrics_config *cfg, libnvme_ctrl_t c) |
| 1984 | { |
| 1985 | if (keyring) { |
| 1986 | char *endptr; |
| 1987 | long id = strtol(keyring, &endptr, 0); |
| 1988 | |
| 1989 | if (endptr != keyring) |
| 1990 | cfg->keyring_id = id; |
| 1991 | else |
| 1992 | libnvme_ctrl_set_keyring(c, keyring); |
| 1993 | } |
| 1994 | |
| 1995 | if (tls_key_identity) |
| 1996 | libnvme_ctrl_set_tls_key_identity(c, tls_key_identity); |
| 1997 | |
| 1998 | if (tls_key) { |
| 1999 | char *endptr; |
| 2000 | long id = strtol(tls_key, &endptr, 0); |
| 2001 | |
| 2002 | if (endptr != tls_key) |
| 2003 | cfg->tls_key_id = id; |
| 2004 | else |
| 2005 | libnvme_ctrl_set_tls_key(c, tls_key); |
| 2006 | } |
| 2007 | } |
| 2008 | |
| 2009 | |
| 2010 | static int _nvmf_discovery(struct libnvme_global_ctx *ctx, |
| 2011 | struct libnvmf_context *fctx, bool_Bool connect, |
| 2012 | struct libnvme_ctrl *c) |
| 2013 | { |
| 2014 | __cleanup_free__attribute__((cleanup(freep))) struct nvmf_discovery_log *log = NULL((void*)0); |
| 2015 | libnvme_subsystem_t s = libnvme_ctrl_get_subsystem(c); |
| 2016 | libnvme_host_t h = libnvme_subsystem_get_host(s); |
| 2017 | uint64_t numrec; |
| 2018 | int err; |
| 2019 | |
| 2020 | struct libnvmf_discovery_args args = { |
| 2021 | .max_retries = fctx->default_max_discovery_retries, |
| 2022 | .lsp = NVMF_LOG_DISC_LSP_NONE, |
| 2023 | }; |
| 2024 | |
| 2025 | err = nvme_discovery_log(c, &args, &log); |
| 2026 | if (err) { |
| 2027 | libnvme_msg(ctx, LIBNVME_LOG_ERR, "failed to get discovery log: %s\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to get discovery log: %s\n" , libnvme_strerror(err)) |
| 2028 | libnvme_strerror(err))__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to get discovery log: %s\n" , libnvme_strerror(err)); |
| 2029 | return err; |
| 2030 | } |
| 2031 | |
| 2032 | numrec = le64_to_cpu(log->numrec); |
| 2033 | if (fctx->hooks.discovery_log) |
| 2034 | fctx->hooks.discovery_log(fctx, connect, log, numrec, |
| 2035 | fctx->hooks.user_data); |
| 2036 | |
| 2037 | if (!connect) |
| 2038 | return 0; |
| 2039 | |
| 2040 | for (int i = 0; i < numrec; i++) { |
| 2041 | struct nvmf_disc_log_entry *e = &log->entries[i]; |
| 2042 | libnvme_ctrl_t cl; |
| 2043 | bool_Bool discover = false0; |
| 2044 | bool_Bool disconnect; |
| 2045 | libnvme_ctrl_t child = { 0 }; |
| 2046 | int tmo = fctx->ctrl_params.cfg.keep_alive_tmo; |
| 2047 | struct libnvmf_context nfctx = *fctx; |
| 2048 | |
| 2049 | sanitize_discovery_log_entry(c->ctx, e); |
| 2050 | |
| 2051 | nfctx.ctrl_params.subsysnqn = e->subnqn; |
| 2052 | nfctx.ctrl_params.transport = libnvmf_trtype_str(e->trtype); |
| 2053 | nfctx.ctrl_params.traddr = e->traddr; |
| 2054 | nfctx.ctrl_params.trsvcid = e->trsvcid; |
| 2055 | |
| 2056 | /* Already connected ? */ |
| 2057 | cl = lookup_ctrl(h, &nfctx); |
| 2058 | if (cl && libnvme_ctrl_get_name(cl)) |
| 2059 | continue; |
| 2060 | |
| 2061 | /* Skip connect if the transport types don't match */ |
| 2062 | if (strcmp(libnvme_ctrl_get_transport(c), |
| 2063 | nfctx.ctrl_params.transport)) |
| 2064 | continue; |
| 2065 | |
| 2066 | if (e->subtype == NVME_NQN_DISC || |
| 2067 | e->subtype == NVME_NQN_CURR) { |
| 2068 | __u16 eflags = le16_to_cpu(e->eflags); |
| 2069 | /* |
| 2070 | * Does this discovery controller return the |
| 2071 | * same information? |
| 2072 | */ |
| 2073 | if (eflags & NVMF_DISC_EFLAGS_DUPRETINFO) |
| 2074 | continue; |
| 2075 | |
| 2076 | /* |
| 2077 | * Are we supposed to keep the discovery |
| 2078 | * controller around? |
| 2079 | */ |
| 2080 | disconnect = !nfctx.persistent; |
| 2081 | |
| 2082 | if (strcmp(e->subnqn, NVME_DISC_SUBSYS_NAME"nqn.2014-08.org.nvmexpress.discovery")) { |
| 2083 | /* |
| 2084 | * Does this discovery controller doesn't |
| 2085 | * support explicit persistent connection? |
| 2086 | */ |
| 2087 | if (!(eflags & NVMF_DISC_EFLAGS_EPCSD)) |
| 2088 | disconnect = true1; |
| 2089 | else |
| 2090 | disconnect = false0; |
| 2091 | } |
| 2092 | |
| 2093 | set_discovery_kato(&nfctx); |
| 2094 | } else { |
| 2095 | /* NVME_NQN_NVME */ |
| 2096 | disconnect = false0; |
| 2097 | } |
| 2098 | |
| 2099 | err = nvmf_connect_disc_entry(h, e, &nfctx, &discover, &child); |
| 2100 | |
| 2101 | nfctx.ctrl_params.cfg.keep_alive_tmo = tmo; |
| 2102 | |
| 2103 | if (!child) { |
| 2104 | if (discover) |
| 2105 | _nvmf_discovery(ctx, &nfctx, true1, child); |
| 2106 | |
| 2107 | if (child && disconnect) { |
| 2108 | libnvmf_disconnect_ctrl(child); |
| 2109 | libnvme_free_ctrl(child); |
| 2110 | } |
| 2111 | } else if (err == -ENVME_CONNECT_ALREADY) { |
| 2112 | struct nvmf_disc_log_entry *e = &log->entries[i]; |
| 2113 | |
| 2114 | nfctx.hooks.already_connected(&nfctx, h, e->subnqn, |
| 2115 | libnvmf_trtype_str(e->trtype), e->traddr, |
| 2116 | e->trsvcid, nfctx.hooks.user_data); |
| 2117 | } |
| 2118 | } |
| 2119 | |
| 2120 | return 0; |
| 2121 | } |
| 2122 | |
| 2123 | __libnvme_public__attribute__((visibility("default"))) const char *libnvmf_get_default_trsvcid(const char *transport, |
| 2124 | bool_Bool discovery_ctrl) |
| 2125 | { |
| 2126 | if (!transport) |
| 2127 | return NULL((void*)0); |
| 2128 | if (!strcmp(transport, "tcp")) { |
| 2129 | if (discovery_ctrl) |
| 2130 | /* Default port for NVMe/TCP discovery controllers */ |
| 2131 | return stringify(NVME_DISC_IP_PORT)"8009"; |
| 2132 | /* Default port for NVMe/TCP io controllers */ |
| 2133 | return stringify(NVME_RDMA_IP_PORT)"4420"; |
| 2134 | } else if (!strcmp(transport, "rdma")) { |
| 2135 | /* Default port for NVMe/RDMA controllers */ |
| 2136 | return stringify(NVME_RDMA_IP_PORT)"4420"; |
| 2137 | } |
| 2138 | |
| 2139 | return NULL((void*)0); |
| 2140 | } |
| 2141 | |
| 2142 | static bool_Bool is_persistent_discovery_ctrl(libnvme_host_t h, libnvme_ctrl_t c) |
| 2143 | { |
| 2144 | if (libnvme_host_is_pdc_enabled(h, DEFAULT_PDC_ENABLED0)) |
| 2145 | return libnvme_ctrl_get_unique_discovery_ctrl(c); |
| 2146 | |
| 2147 | return false0; |
| 2148 | } |
| 2149 | |
| 2150 | static int libnvme_add_ctrl(struct libnvmf_context *fctx, |
| 2151 | struct libnvme_host *h, struct libnvme_ctrl *c) |
| 2152 | { |
| 2153 | int err; |
| 2154 | |
| 2155 | retry: |
| 2156 | err = libnvmf_add_ctrl(h, c); |
| 2157 | if (!err) |
| 2158 | return 0; |
| 2159 | if (fctx->hooks.decide_retry(fctx, err, fctx->hooks.user_data)) |
| 2160 | goto retry; |
| 2161 | |
| 2162 | return err; |
| 2163 | } |
| 2164 | |
| 2165 | static int __create_discovery_ctrl(struct libnvme_global_ctx *ctx, |
| 2166 | struct libnvmf_context *fctx, libnvme_host_t h, |
| 2167 | struct libnvme_ctrl **ctrl) |
| 2168 | { |
| 2169 | libnvme_ctrl_t c; |
| 2170 | int tmo, ret; |
| 2171 | |
| 2172 | ret = libnvme_create_ctrl(ctx, &fctx->ctrl_params, &c); |
| 2173 | if (ret) |
| 2174 | return ret; |
| 2175 | |
| 2176 | libnvme_ctrl_set_discovery_ctrl(c, true1); |
| 2177 | libnvme_ctrl_set_unique_discovery_ctrl(c, |
| 2178 | strcmp(fctx->ctrl_params.subsysnqn, |
| 2179 | NVME_DISC_SUBSYS_NAME"nqn.2014-08.org.nvmexpress.discovery")); |
| 2180 | tmo = set_discovery_kato(fctx); |
| 2181 | |
| 2182 | if (libnvme_ctrl_get_unique_discovery_ctrl(c) && fctx->hostkey) { |
| 2183 | libnvme_ctrl_set_dhchap_host_key(c, fctx->hostkey); |
| 2184 | if (fctx->ctrlkey) |
| 2185 | libnvme_ctrl_set_dhchap_ctrl_key(c, fctx->ctrlkey); |
| 2186 | } |
| 2187 | |
| 2188 | ret = libnvme_add_ctrl(fctx, h, c); |
| 2189 | fctx->ctrl_params.cfg.keep_alive_tmo = tmo; |
| 2190 | if (ret) { |
| 2191 | libnvme_free_ctrl(c); |
| 2192 | return ret; |
| 2193 | } |
| 2194 | |
| 2195 | *ctrl = c; |
| 2196 | return 0; |
| 2197 | } |
| 2198 | |
| 2199 | static int nvmf_create_discovery_ctrl(struct libnvme_global_ctx *ctx, |
| 2200 | struct libnvmf_context *fctx, libnvme_host_t h, |
| 2201 | struct libnvme_ctrl **ctrl) |
| 2202 | { |
| 2203 | __cleanup_libnvme_free__attribute__((cleanup(libnvme_freep))) struct nvme_id_ctrl *id = NULL((void*)0); |
| 2204 | struct libnvme_ctrl *c; |
| 2205 | int ret; |
| 2206 | |
| 2207 | ret = __create_discovery_ctrl(ctx, fctx, h, &c); |
| 2208 | if (ret) |
| 2209 | return ret; |
| 2210 | |
| 2211 | if (libnvme_ctrl_get_unique_discovery_ctrl(c)) { |
| 2212 | *ctrl = c; |
| 2213 | return 0; |
| 2214 | } |
| 2215 | |
| 2216 | id = libnvme_alloc(sizeof(*id)); |
| 2217 | if (!id) { |
| 2218 | libnvme_free_ctrl(c); |
| 2219 | return -ENOMEM12; |
| 2220 | } |
| 2221 | |
| 2222 | ret = libnvme_open(ctx, c->name, &c->hdl); |
| 2223 | if (ret) { |
| 2224 | libnvme_msg(ctx, LIBNVME_LOG_ERR, "failed to open %s\n", c->name)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to open %s\n" , c->name); |
| 2225 | return ret; |
| 2226 | } |
| 2227 | |
| 2228 | /* Find out the name of discovery controller */ |
| 2229 | ret = libnvme_ctrl_identify(c, id); |
| 2230 | if (ret) { |
| 2231 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to identify controller, error %s\n" , libnvme_strerror(-ret)) |
| 2232 | "failed to identify controller, error %s\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to identify controller, error %s\n" , libnvme_strerror(-ret)) |
| 2233 | libnvme_strerror(-ret))__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to identify controller, error %s\n" , libnvme_strerror(-ret)); |
| 2234 | libnvmf_disconnect_ctrl(c); |
| 2235 | libnvme_free_ctrl(c); |
| 2236 | return ret; |
| 2237 | } |
| 2238 | |
| 2239 | if (!strcmp(id->subnqn, NVME_DISC_SUBSYS_NAME"nqn.2014-08.org.nvmexpress.discovery")) { |
| 2240 | *ctrl = c; |
| 2241 | return 0; |
| 2242 | } |
| 2243 | |
| 2244 | /* |
| 2245 | * The subsysnqn is not the well-known name. Prefer the unique |
| 2246 | * subsysnqn over the well-known one. |
| 2247 | */ |
| 2248 | libnvmf_disconnect_ctrl(c); |
| 2249 | libnvme_free_ctrl(c); |
| 2250 | |
| 2251 | fctx->ctrl_params.subsysnqn = id->subnqn; |
| 2252 | ret = __create_discovery_ctrl(ctx, fctx, h, &c); |
| 2253 | if (ret) |
| 2254 | return ret; |
| 2255 | |
| 2256 | *ctrl = c; |
| 2257 | return 0; |
| 2258 | } |
| 2259 | |
| 2260 | int _discovery_config_json(struct libnvme_global_ctx *ctx, |
| 2261 | struct libnvmf_context *fctx, libnvme_host_t h, libnvme_ctrl_t c, |
| 2262 | bool_Bool connect, bool_Bool force) |
| 2263 | { |
| 2264 | struct libnvmf_context nfctx = *fctx; |
| 2265 | libnvme_ctrl_t cn; |
| 2266 | int ret = 0; |
| 2267 | |
| 2268 | nfctx.ctrl_params.transport = libnvme_ctrl_get_transport(c); |
| 2269 | nfctx.ctrl_params.traddr = libnvme_ctrl_get_traddr(c); |
| 2270 | nfctx.ctrl_params.host_traddr = libnvme_ctrl_get_host_traddr(c); |
| 2271 | nfctx.ctrl_params.host_iface = libnvme_ctrl_get_host_iface(c); |
| 2272 | |
| 2273 | if (!nfctx.ctrl_params.transport && !nfctx.ctrl_params.traddr) |
| 2274 | return 0; |
| 2275 | |
| 2276 | /* ignore none fabric transports */ |
| 2277 | if (strcmp(nfctx.ctrl_params.transport, "tcp") && |
| 2278 | strcmp(nfctx.ctrl_params.transport, "rdma") && |
| 2279 | strcmp(nfctx.ctrl_params.transport, "fc")) |
| 2280 | return 0; |
| 2281 | |
| 2282 | /* ignore if no host_traddr for fc */ |
| 2283 | if (!strcmp(nfctx.ctrl_params.transport, "fc")) { |
| 2284 | if (!nfctx.ctrl_params.host_traddr) { |
| 2285 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "host_traddr required for fc\n" ) |
| 2286 | "host_traddr required for fc\n")__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "host_traddr required for fc\n" ); |
| 2287 | return 0; |
| 2288 | } |
| 2289 | } |
| 2290 | |
| 2291 | /* ignore if host_iface set for any transport other than tcp */ |
| 2292 | if (!strcmp(nfctx.ctrl_params.transport, "rdma") || |
| 2293 | !strcmp(nfctx.ctrl_params.transport, "fc")) { |
| 2294 | if (nfctx.ctrl_params.host_iface) { |
| 2295 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "host_iface not permitted for rdma or fc\n" ) |
| 2296 | "host_iface not permitted for rdma or fc\n")__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "host_iface not permitted for rdma or fc\n" ); |
| 2297 | return 0; |
| 2298 | } |
| 2299 | } |
| 2300 | |
| 2301 | nfctx.ctrl_params.trsvcid = libnvme_ctrl_get_trsvcid(c); |
| 2302 | if (!nfctx.ctrl_params.trsvcid || |
| 2303 | !strcmp(nfctx.ctrl_params.trsvcid, "")) |
| 2304 | nfctx.ctrl_params.trsvcid = |
| 2305 | libnvmf_get_default_trsvcid( |
| 2306 | nfctx.ctrl_params.transport, true1); |
| 2307 | |
| 2308 | if (force) |
| 2309 | nfctx.ctrl_params.subsysnqn = libnvme_ctrl_get_subsysnqn(c); |
| 2310 | else |
| 2311 | nfctx.ctrl_params.subsysnqn = NVME_DISC_SUBSYS_NAME"nqn.2014-08.org.nvmexpress.discovery"; |
| 2312 | |
| 2313 | if (libnvme_ctrl_get_persistent(c)) |
| 2314 | nfctx.persistent = true1; |
| 2315 | |
| 2316 | if (!force) { |
| 2317 | cn = lookup_ctrl(h, &nfctx); |
| 2318 | if (cn) { |
| 2319 | nfctx.persistent = true1; |
| 2320 | _nvmf_discovery(ctx, &nfctx, connect, cn); |
| 2321 | return 0; |
| 2322 | } |
| 2323 | } |
| 2324 | |
| 2325 | ret = nvmf_create_discovery_ctrl(ctx, &nfctx, h, &cn); |
| 2326 | if (ret) |
| 2327 | return 0; |
| 2328 | |
| 2329 | _nvmf_discovery(ctx, &nfctx, connect, cn); |
| 2330 | if (!(fctx->persistent || is_persistent_discovery_ctrl(h, cn))) |
| 2331 | ret = libnvmf_disconnect_ctrl(cn); |
| 2332 | libnvme_free_ctrl(cn); |
| 2333 | |
| 2334 | return ret; |
| 2335 | } |
| 2336 | |
| 2337 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_discovery_config_json( |
| 2338 | struct libnvme_global_ctx *ctx, struct libnvmf_context *fctx, |
| 2339 | bool_Bool connect, bool_Bool force) |
| 2340 | { |
| 2341 | const char *hnqn, *hid; |
| 2342 | struct libnvme_subsystem *s; |
| 2343 | struct libnvme_host *h; |
| 2344 | struct libnvme_ctrl *c; |
| 2345 | int ret = 0, err; |
| 2346 | |
| 2347 | err = lookup_host(ctx, fctx, &h); |
| 2348 | if (err) |
| 2349 | return err; |
| 2350 | |
| 2351 | err = setup_connection(fctx, h, false0); |
| 2352 | if (err) |
| 2353 | return err; |
| 2354 | |
| 2355 | libnvme_for_each_host(ctx, h)for (h = libnvme_first_host(ctx); h != ((void*)0); h = libnvme_next_host (ctx, h)) { |
| 2356 | libnvme_for_each_subsystem(h, s)for (s = libnvme_first_subsystem(h); s != ((void*)0); s = libnvme_next_subsystem (h, s)) { |
| 2357 | hnqn = libnvme_host_get_hostnqn(h); |
| 2358 | if (fctx->hostnqn && hnqn && |
| 2359 | strcmp(fctx->hostnqn, hnqn)) |
| 2360 | continue; |
| 2361 | hid = libnvme_host_get_hostid(h); |
| 2362 | if (fctx->hostid && hid && |
| 2363 | strcmp(fctx->hostid, hid)) |
| 2364 | continue; |
| 2365 | |
| 2366 | libnvme_subsystem_for_each_ctrl(s, c)for (c = libnvme_subsystem_first_ctrl(s); c != ((void*)0); c = libnvme_subsystem_next_ctrl(s, c)) { |
| 2367 | err = _discovery_config_json(ctx, fctx, h, c, |
| 2368 | connect, force); |
| 2369 | if (err) { |
| 2370 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to connect to hostnqn=%s,nqn=%s,%s\n" , libnvme_host_get_hostnqn(h), libnvme_subsystem_get_name(s), libnvme_ctrl_get_traddr(c)) |
| 2371 | "failed to connect to hostnqn=%s,nqn=%s,%s\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to connect to hostnqn=%s,nqn=%s,%s\n" , libnvme_host_get_hostnqn(h), libnvme_subsystem_get_name(s), libnvme_ctrl_get_traddr(c)) |
| 2372 | libnvme_host_get_hostnqn(h),__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to connect to hostnqn=%s,nqn=%s,%s\n" , libnvme_host_get_hostnqn(h), libnvme_subsystem_get_name(s), libnvme_ctrl_get_traddr(c)) |
| 2373 | libnvme_subsystem_get_name(s),__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to connect to hostnqn=%s,nqn=%s,%s\n" , libnvme_host_get_hostnqn(h), libnvme_subsystem_get_name(s), libnvme_ctrl_get_traddr(c)) |
| 2374 | libnvme_ctrl_get_traddr(c))__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to connect to hostnqn=%s,nqn=%s,%s\n" , libnvme_host_get_hostnqn(h), libnvme_subsystem_get_name(s), libnvme_ctrl_get_traddr(c)); |
| 2375 | |
| 2376 | if (!ret) |
| 2377 | ret = err; |
| 2378 | } |
| 2379 | } |
| 2380 | } |
| 2381 | } |
| 2382 | |
| 2383 | return ret; |
| 2384 | } |
| 2385 | |
| 2386 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_connect_config_json(struct libnvme_global_ctx *ctx, |
| 2387 | struct libnvmf_context *fctx) |
| 2388 | { |
| 2389 | const char *hnqn, *hid; |
| 2390 | const char *transport; |
| 2391 | libnvme_host_t h; |
| 2392 | libnvme_subsystem_t s; |
| 2393 | libnvme_ctrl_t c, _c; |
| 2394 | int ret = 0, err; |
| 2395 | |
| 2396 | err = lookup_host(ctx, fctx, &h); |
| 2397 | if (err) |
| 2398 | return err; |
| 2399 | |
| 2400 | err = setup_connection(fctx, h, false0); |
| 2401 | if (err) |
| 2402 | return err; |
| 2403 | |
| 2404 | libnvme_for_each_host(ctx, h)for (h = libnvme_first_host(ctx); h != ((void*)0); h = libnvme_next_host (ctx, h)) { |
| 2405 | libnvme_for_each_subsystem(h, s)for (s = libnvme_first_subsystem(h); s != ((void*)0); s = libnvme_next_subsystem (h, s)) { |
| 2406 | hnqn = libnvme_host_get_hostnqn(h); |
| 2407 | if (fctx->hostnqn && hnqn && |
| 2408 | strcmp(fctx->hostnqn, hnqn)) |
| 2409 | continue; |
| 2410 | hid = libnvme_host_get_hostid(h); |
| 2411 | if (fctx->hostid && hid && |
| 2412 | strcmp(fctx->hostid, hid)) |
| 2413 | continue; |
| 2414 | |
| 2415 | libnvme_subsystem_for_each_ctrl_safe(s, c, _c)for (c = libnvme_subsystem_first_ctrl(s), _c = libnvme_subsystem_next_ctrl (s, c); c != ((void*)0); c = _c, _c = libnvme_subsystem_next_ctrl (s, c)) { |
| 2416 | transport = libnvme_ctrl_get_transport(c); |
| 2417 | |
| 2418 | /* ignore none fabric transports */ |
| 2419 | if (strcmp(transport, "tcp") && |
| 2420 | strcmp(transport, "rdma") && |
| 2421 | strcmp(transport, "fc")) |
| 2422 | continue; |
| 2423 | |
| 2424 | err = libnvmf_connect_ctrl(c); |
| 2425 | if (err) { |
| 2426 | if (err == -ENVME_CONNECT_ALREADY) |
| 2427 | continue; |
| 2428 | |
| 2429 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to connect to hostnqn=%s,nqn=%s,%s\n" , libnvme_host_get_hostnqn(h), libnvme_subsystem_get_name(s), libnvme_ctrl_get_traddr(c)) |
| 2430 | "failed to connect to hostnqn=%s,nqn=%s,%s\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to connect to hostnqn=%s,nqn=%s,%s\n" , libnvme_host_get_hostnqn(h), libnvme_subsystem_get_name(s), libnvme_ctrl_get_traddr(c)) |
| 2431 | libnvme_host_get_hostnqn(h),__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to connect to hostnqn=%s,nqn=%s,%s\n" , libnvme_host_get_hostnqn(h), libnvme_subsystem_get_name(s), libnvme_ctrl_get_traddr(c)) |
| 2432 | libnvme_subsystem_get_name(s),__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to connect to hostnqn=%s,nqn=%s,%s\n" , libnvme_host_get_hostnqn(h), libnvme_subsystem_get_name(s), libnvme_ctrl_get_traddr(c)) |
| 2433 | libnvme_ctrl_get_traddr(c))__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to connect to hostnqn=%s,nqn=%s,%s\n" , libnvme_host_get_hostnqn(h), libnvme_subsystem_get_name(s), libnvme_ctrl_get_traddr(c)); |
| 2434 | |
| 2435 | if (!ret) |
| 2436 | ret = err; |
| 2437 | } |
| 2438 | } |
| 2439 | } |
| 2440 | } |
| 2441 | |
| 2442 | return ret; |
| 2443 | } |
| 2444 | |
| 2445 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_discovery_config_file( |
| 2446 | struct libnvme_global_ctx *ctx, struct libnvmf_context *fctx, |
| 2447 | bool_Bool connect, bool_Bool force) |
| 2448 | { |
| 2449 | int err; |
| 2450 | |
| 2451 | err = fctx->hooks.parser_init(fctx, fctx->hooks.user_data); |
| 2452 | if (err) |
| 2453 | return err; |
| 2454 | |
| 2455 | do { |
| 2456 | struct libnvmf_context nfctx = *fctx; |
| 2457 | err = fctx->hooks.parser_next_line(&nfctx, fctx->hooks.user_data); |
| 2458 | if (err) |
| 2459 | break; |
| 2460 | libnvmf_discovery(ctx, &nfctx, connect, force); |
| 2461 | } while (!err); |
| 2462 | |
| 2463 | fctx->hooks.parser_cleanup(fctx, fctx->hooks.user_data); |
| 2464 | |
| 2465 | if (err != -EOF(-1)) |
| 2466 | return err; |
| 2467 | |
| 2468 | return 0; |
| 2469 | } |
| 2470 | |
| 2471 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_config_modify(struct libnvme_global_ctx *ctx, |
| 2472 | struct libnvmf_context *fctx) |
| 2473 | { |
| 2474 | __cleanup_free__attribute__((cleanup(freep))) char *hnqn = NULL((void*)0); |
| 2475 | __cleanup_free__attribute__((cleanup(freep))) char *hid = NULL((void*)0); |
| 2476 | struct libnvme_host *h; |
| 2477 | struct libnvme_subsystem *s; |
| 2478 | struct libnvme_ctrl *c; |
| 2479 | |
| 2480 | if (!fctx->hostnqn) |
| 2481 | fctx->hostnqn = hnqn = libnvme_read_hostnqn(); |
| 2482 | if (!fctx->hostid && hnqn) |
| 2483 | fctx->hostid = hid = libnvme_read_hostid(); |
Although the value stored to 'hid' is used in the enclosing expression, the value is never actually read from 'hid' | |
| 2484 | |
| 2485 | h = libnvme_lookup_host(ctx, fctx->hostnqn, fctx->hostid); |
| 2486 | if (!h) { |
| 2487 | libnvme_msg(ctx, LIBNVME_LOG_ERR, "Failed to lookup host '%s'\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Failed to lookup host '%s'\n" , fctx->hostnqn) |
| 2488 | fctx->hostnqn)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Failed to lookup host '%s'\n" , fctx->hostnqn); |
| 2489 | return -ENODEV19; |
| 2490 | } |
| 2491 | |
| 2492 | if (fctx->hostkey) |
| 2493 | libnvme_host_set_dhchap_host_key(h, fctx->hostkey); |
| 2494 | |
| 2495 | s = libnvme_lookup_subsystem(h, NULL((void*)0), fctx->ctrl_params.subsysnqn); |
| 2496 | if (!s) { |
| 2497 | libnvme_msg(ctx, LIBNVME_LOG_ERR, "Failed to lookup subsystem '%s'\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Failed to lookup subsystem '%s'\n" , fctx->ctrl_params.subsysnqn) |
| 2498 | fctx->ctrl_params.subsysnqn)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Failed to lookup subsystem '%s'\n" , fctx->ctrl_params.subsysnqn); |
| 2499 | return -ENODEV19; |
| 2500 | } |
| 2501 | |
| 2502 | c = libnvme_lookup_ctrl(s, &fctx->ctrl_params, NULL((void*)0)); |
| 2503 | if (!c) { |
| 2504 | libnvme_msg(ctx, LIBNVME_LOG_ERR, "Failed to lookup controller\n")__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Failed to lookup controller\n" ); |
| 2505 | return -ENODEV19; |
| 2506 | } |
| 2507 | if (fctx->ctrlkey) |
| 2508 | libnvme_ctrl_set_dhchap_ctrl_key(c, fctx->ctrlkey); |
| 2509 | |
| 2510 | nvme_parse_tls_args(fctx->keyring, fctx->tls_key, |
| 2511 | fctx->tls_key_identity, &fctx->ctrl_params.cfg, c); |
| 2512 | |
| 2513 | update_config(c, &fctx->ctrl_params.cfg); |
| 2514 | |
| 2515 | return 0; |
| 2516 | } |
| 2517 | |
| 2518 | #define NBFT_SYSFS_FILENAME"NBFT*" "NBFT*" |
| 2519 | |
| 2520 | static int nbft_filter(const struct dirent *dent) |
| 2521 | { |
| 2522 | return !fnmatch(NBFT_SYSFS_FILENAME"NBFT*", dent->d_name, FNM_PATHNAME(1 << 0)); |
| 2523 | } |
| 2524 | |
| 2525 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_nbft_read_files( |
| 2526 | struct libnvme_global_ctx *ctx, char *path, |
| 2527 | struct nbft_file_entry **head) |
| 2528 | { |
| 2529 | struct nbft_file_entry *entry = NULL((void*)0); |
| 2530 | struct libnbft_info *nbft; |
| 2531 | struct dirent **dent; |
| 2532 | char filename[PATH_MAX4096]; |
| 2533 | int i, count, ret; |
| 2534 | |
| 2535 | count = scandir(path, &dent, nbft_filter, NULL((void*)0)); |
| 2536 | if (count < 0) |
| 2537 | return -errno(*__errno_location ()); |
| 2538 | |
| 2539 | for (i = 0; i < count; i++) { |
| 2540 | snprintf(filename, sizeof(filename), "%s/%s", path, |
| 2541 | dent[i]->d_name); |
| 2542 | |
| 2543 | ret = libnvmf_read_nbft(ctx, &nbft, filename); |
| 2544 | if (!ret) { |
| 2545 | struct nbft_file_entry *new; |
| 2546 | |
| 2547 | new = calloc(1, sizeof(*new)); |
| 2548 | if (!new) |
| 2549 | return -ENOMEM12; |
| 2550 | new->nbft = nbft; |
| 2551 | if (entry) { |
| 2552 | entry->next = new; |
| 2553 | entry = entry->next; |
| 2554 | } else { |
| 2555 | entry = new; |
| 2556 | *head = entry; |
| 2557 | } |
| 2558 | } |
| 2559 | free(dent[i]); |
| 2560 | } |
| 2561 | free(dent); |
| 2562 | return 0; |
| 2563 | } |
| 2564 | |
| 2565 | __libnvme_public__attribute__((visibility("default"))) void libnvmf_nbft_free( |
| 2566 | struct libnvme_global_ctx *ctx, struct nbft_file_entry *head) |
| 2567 | { |
| 2568 | if (!head) |
| 2569 | return; |
| 2570 | |
| 2571 | while (head) { |
| 2572 | struct nbft_file_entry *next = head->next; |
| 2573 | |
| 2574 | libnvmf_free_nbft(ctx, head->nbft); |
| 2575 | free(head); |
| 2576 | |
| 2577 | head = next; |
| 2578 | } |
| 2579 | } |
| 2580 | |
| 2581 | static bool_Bool validate_uri(struct libnvme_global_ctx *ctx, |
| 2582 | struct libnbft_discovery *dd, |
| 2583 | struct libnvmf_uri *uri) |
| 2584 | { |
| 2585 | if (!uri) { |
| 2586 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: failed to parse URI %s\n" , dd->index, dd->uri) |
| 2587 | "Discovery Descriptor %d: failed to parse URI %s\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: failed to parse URI %s\n" , dd->index, dd->uri) |
| 2588 | dd->index, dd->uri)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: failed to parse URI %s\n" , dd->index, dd->uri); |
| 2589 | return false0; |
| 2590 | } |
| 2591 | if (strcmp(uri->scheme, "nvme") != 0) { |
| 2592 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: unsupported scheme '%s'\n" , dd->index, uri->scheme) |
| 2593 | "Discovery Descriptor %d: unsupported scheme '%s'\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: unsupported scheme '%s'\n" , dd->index, uri->scheme) |
| 2594 | dd->index, uri->scheme)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: unsupported scheme '%s'\n" , dd->index, uri->scheme); |
| 2595 | return false0; |
| 2596 | } |
| 2597 | if (!uri->protocol || strcmp(uri->protocol, "tcp") != 0) { |
| 2598 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: unsupported transport '%s'\n" , dd->index, uri->protocol) |
| 2599 | "Discovery Descriptor %d: unsupported transport '%s'\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: unsupported transport '%s'\n" , dd->index, uri->protocol) |
| 2600 | dd->index, uri->protocol)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: unsupported transport '%s'\n" , dd->index, uri->protocol); |
| 2601 | return false0; |
| 2602 | } |
| 2603 | |
| 2604 | return true1; |
| 2605 | } |
| 2606 | |
| 2607 | static int nbft_connect(struct libnvme_global_ctx *ctx, |
| 2608 | struct libnvmf_context *fctx, struct libnvme_host *h, |
| 2609 | struct nvmf_disc_log_entry *e, |
| 2610 | struct libnbft_subsystem_ns *ss) |
| 2611 | { |
| 2612 | libnvme_ctrl_t c; |
| 2613 | int saved_log_level; |
| 2614 | bool_Bool saved_log_tstamp; |
| 2615 | bool_Bool saved_log_pid; |
| 2616 | int ret; |
| 2617 | |
| 2618 | saved_log_level = libnvme_get_logging_level(ctx, &saved_log_tstamp, |
| 2619 | &saved_log_pid); |
| 2620 | |
| 2621 | c = lookup_ctrl(h, fctx); |
| 2622 | if (c && libnvme_ctrl_get_name(c)) |
| 2623 | return 0; |
| 2624 | |
| 2625 | ret = libnvme_create_ctrl(ctx, &fctx->ctrl_params, &c); |
| 2626 | if (ret) |
| 2627 | return ret; |
| 2628 | |
| 2629 | /* Pause logging for unavailable SSNSs */ |
| 2630 | if (ss && ss->unavailable && saved_log_level < 1) |
| 2631 | libnvme_set_logging_level(ctx, -1, false0, false0); |
| 2632 | |
| 2633 | /* Update tls or concat */ |
| 2634 | nvmf_update_tls_concat(e, c, h); |
| 2635 | |
| 2636 | ret = libnvmf_add_ctrl(h, c); |
| 2637 | |
| 2638 | /* Resume logging */ |
| 2639 | if (ss && ss->unavailable && saved_log_level < 1) |
| 2640 | libnvme_set_logging_level(ctx, |
| 2641 | saved_log_level, |
| 2642 | saved_log_pid, |
| 2643 | saved_log_tstamp); |
| 2644 | |
| 2645 | if (ret) { |
| 2646 | libnvme_free_ctrl(c); |
| 2647 | /* |
| 2648 | * In case this SSNS was marked as 'unavailable' and |
| 2649 | * our connection attempt has failed, ignore it. |
| 2650 | */ |
| 2651 | if (ss && ss->unavailable) { |
| 2652 | libnvme_msg(ctx, LIBNVME_LOG_INFO,__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "SSNS %d reported as unavailable, skipping\n" , ss->index) |
| 2653 | "SSNS %d reported as unavailable, skipping\n",__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "SSNS %d reported as unavailable, skipping\n" , ss->index) |
| 2654 | ss->index)__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "SSNS %d reported as unavailable, skipping\n" , ss->index); |
| 2655 | return 0; |
| 2656 | } |
| 2657 | return ret; |
| 2658 | } |
| 2659 | |
| 2660 | if (fctx->hooks.connected) |
| 2661 | fctx->hooks.connected(fctx, c, fctx->hooks.user_data); |
| 2662 | |
| 2663 | return 0; |
| 2664 | } |
| 2665 | |
| 2666 | static int nbft_discovery(struct libnvme_global_ctx *ctx, |
| 2667 | struct libnvmf_context *fctx, struct libnbft_discovery *dd, |
| 2668 | struct libnvme_host *h, struct libnvme_ctrl *c) |
| 2669 | { |
| 2670 | struct nvmf_discovery_log *log = NULL((void*)0); |
| 2671 | int ret; |
| 2672 | int i; |
| 2673 | |
| 2674 | struct libnvmf_discovery_args args = { |
| 2675 | .max_retries = 10 /* MAX_DISC_RETRIES */, |
| 2676 | .lsp = NVMF_LOG_DISC_LSP_NONE, |
| 2677 | }; |
| 2678 | |
| 2679 | ret = nvme_discovery_log(c, &args, &log); |
| 2680 | if (ret) { |
| 2681 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: failed to get discovery log: %s\n" , dd->index, libnvme_strerror(ret)) |
| 2682 | "Discovery Descriptor %d: failed to get discovery log: %s\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: failed to get discovery log: %s\n" , dd->index, libnvme_strerror(ret)) |
| 2683 | dd->index, libnvme_strerror(ret))__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: failed to get discovery log: %s\n" , dd->index, libnvme_strerror(ret)); |
| 2684 | return ret; |
| 2685 | } |
| 2686 | |
| 2687 | for (i = 0; i < le64_to_cpu(log->numrec); i++) { |
| 2688 | struct nvmf_disc_log_entry *e = &log->entries[i]; |
| 2689 | struct libnvmf_context nfctx = *fctx; |
| 2690 | libnvme_ctrl_t cl; |
| 2691 | int tmo = fctx->ctrl_params.cfg.keep_alive_tmo; |
| 2692 | |
| 2693 | sanitize_discovery_log_entry(c->ctx, e); |
| 2694 | |
| 2695 | nfctx.ctrl_params.subsysnqn = e->subnqn; |
| 2696 | nfctx.ctrl_params.transport = libnvmf_trtype_str(e->trtype); |
| 2697 | nfctx.ctrl_params.traddr = e->traddr; |
| 2698 | nfctx.ctrl_params.trsvcid = e->trsvcid; |
| 2699 | |
| 2700 | if (e->subtype == NVME_NQN_CURR) |
| 2701 | continue; |
| 2702 | |
| 2703 | /* Already connected ? */ |
| 2704 | cl = lookup_ctrl(h, &nfctx); |
| 2705 | if (cl && libnvme_ctrl_get_name(cl)) |
| 2706 | continue; |
| 2707 | |
| 2708 | /* Skip connect if the transport types don't match */ |
| 2709 | if (strcmp(libnvme_ctrl_get_transport(c), |
| 2710 | nfctx.ctrl_params.transport)) |
| 2711 | continue; |
| 2712 | |
| 2713 | if (e->subtype == NVME_NQN_DISC) { |
| 2714 | libnvme_ctrl_t child; |
| 2715 | |
| 2716 | ret = nvmf_connect_disc_entry(h, e, &nfctx, |
| 2717 | NULL((void*)0), &child); |
| 2718 | if (ret) |
| 2719 | continue; |
| 2720 | nbft_discovery(ctx, &nfctx, dd, h, child); |
| 2721 | libnvmf_disconnect_ctrl(child); |
| 2722 | libnvme_free_ctrl(child); |
| 2723 | } else { |
| 2724 | ret = nbft_connect(ctx, &nfctx, h, e, NULL((void*)0)); |
| 2725 | |
| 2726 | /* |
| 2727 | * With TCP/DHCP, it can happen that the OS |
| 2728 | * obtains a different local IP address than the |
| 2729 | * firmware had. Retry without host_traddr. |
| 2730 | */ |
| 2731 | if (ret == -ENVME_CONNECT_ADDRNOTAVAIL && |
| 2732 | !strcmp(nfctx.ctrl_params.transport, "tcp") && |
| 2733 | strlen(dd->hfi->tcp_info.dhcp_server_ipaddr) > 0) { |
| 2734 | const char *htradr = |
| 2735 | nfctx.ctrl_params.host_traddr; |
| 2736 | |
| 2737 | nfctx.ctrl_params.host_traddr = NULL((void*)0); |
| 2738 | ret = nbft_connect(ctx, &nfctx, h, e, NULL((void*)0)); |
| 2739 | |
| 2740 | if (ret == 0) |
| 2741 | libnvme_msg(ctx, LIBNVME_LOG_INFO,__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "Discovery Descriptor %d: connect with host_traddr=\"%s\" failed, success after omitting host_traddr\n" , dd->index, htradr) |
| 2742 | "Discovery Descriptor %d: connect with host_traddr=\"%s\" failed, success after omitting host_traddr\n",__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "Discovery Descriptor %d: connect with host_traddr=\"%s\" failed, success after omitting host_traddr\n" , dd->index, htradr) |
| 2743 | dd->index,__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "Discovery Descriptor %d: connect with host_traddr=\"%s\" failed, success after omitting host_traddr\n" , dd->index, htradr) |
| 2744 | htradr)__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "Discovery Descriptor %d: connect with host_traddr=\"%s\" failed, success after omitting host_traddr\n" , dd->index, htradr); |
| 2745 | } |
| 2746 | |
| 2747 | if (ret) |
| 2748 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: no controller found\n" , dd->index) |
| 2749 | "Discovery Descriptor %d: no controller found\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: no controller found\n" , dd->index) |
| 2750 | dd->index)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: no controller found\n" , dd->index); |
| 2751 | if (ret == -ENOMEM12) |
| 2752 | break; |
| 2753 | } |
| 2754 | |
| 2755 | fctx->ctrl_params.cfg.keep_alive_tmo = tmo; |
| 2756 | } |
| 2757 | |
| 2758 | libnvme_free(log); |
| 2759 | return 0; |
| 2760 | } |
| 2761 | |
| 2762 | #define VLAN_PROC_PATH"/proc/net/vlan" "/proc/net/vlan" |
| 2763 | |
| 2764 | /* |
| 2765 | * Return 0 for no vlan_id, to be consistent with the NBFT spec. |
| 2766 | */ |
| 2767 | static int get_vlan_id(const char *ifname) |
| 2768 | { |
| 2769 | char path[256], line[256]; |
| 2770 | int vlan_id = 0; |
| 2771 | FILE *f; |
| 2772 | |
| 2773 | snprintf(path, sizeof(path), "%s/%s", VLAN_PROC_PATH"/proc/net/vlan", ifname); |
| 2774 | f = fopen(path, "r"); |
| 2775 | if (!f) |
| 2776 | return 0; |
| 2777 | |
| 2778 | while (fgets(line, sizeof(line), f)) { |
| 2779 | if (sscanf(line, " VID: %d", &vlan_id) == 1) { |
| 2780 | fclose(f); |
| 2781 | return vlan_id; |
| 2782 | } |
| 2783 | } |
| 2784 | |
| 2785 | fclose(f); |
| 2786 | return 0; |
| 2787 | } |
| 2788 | |
| 2789 | /* |
| 2790 | * Find network interface corresponding to the NBFT HFI |
| 2791 | * by looking for mac address and vlan id. |
| 2792 | */ |
| 2793 | static char *nbft_find_hfi_iface(struct libnbft_hfi *hfi) |
| 2794 | { |
| 2795 | struct ifaddrs *ifaddr, *ifa; |
| 2796 | char *result = NULL((void*)0); |
| 2797 | |
| 2798 | if (strcmp((char *)hfi->transport, "tcp")) |
| 2799 | return NULL((void*)0); |
| 2800 | |
| 2801 | if (getifaddrs(&ifaddr) != 0) |
| 2802 | return NULL((void*)0); |
| 2803 | |
| 2804 | for (ifa = ifaddr; ifa != NULL((void*)0); ifa = ifa->ifa_next) { |
| 2805 | struct sockaddr_ll *sll; |
| 2806 | |
| 2807 | if (!ifa->ifa_addr) |
| 2808 | continue; |
| 2809 | |
| 2810 | if (ifa->ifa_addr->sa_family != AF_PACKET17) |
| 2811 | continue; |
| 2812 | |
| 2813 | sll = (struct sockaddr_ll *)ifa->ifa_addr; |
| 2814 | |
| 2815 | if (sll->sll_halen != ETH_ALEN6) |
| 2816 | continue; |
| 2817 | |
| 2818 | if (!memcmp(sll->sll_addr, hfi->tcp_info.mac_addr, ETH_ALEN6)) { |
| 2819 | int vlan_id = get_vlan_id(ifa->ifa_name); |
| 2820 | |
| 2821 | if (vlan_id == hfi->tcp_info.vlan) { |
| 2822 | result = strdup(ifa->ifa_name); |
| 2823 | break; |
| 2824 | } |
| 2825 | } |
| 2826 | } |
| 2827 | |
| 2828 | freeifaddrs(ifaddr); |
| 2829 | return result; |
| 2830 | } |
| 2831 | |
| 2832 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_discovery_nbft(struct libnvme_global_ctx *ctx, |
| 2833 | struct libnvmf_context *fctx, bool_Bool connect, char *nbft_path) |
| 2834 | { |
| 2835 | const char *hostnqn = NULL((void*)0), *hostid = NULL((void*)0), *host_traddr = NULL((void*)0); |
| 2836 | char uuid[NVME_UUID_LEN_STRING37]; |
| 2837 | struct nbft_file_entry *entry = NULL((void*)0); |
| 2838 | struct libnbft_subsystem_ns **ss; |
| 2839 | struct libnbft_hfi *hfi; |
| 2840 | struct libnbft_discovery **dd; |
| 2841 | struct libnvme_host *h; |
| 2842 | int ret, rr, i; |
| 2843 | |
| 2844 | ret = lookup_host(ctx, fctx, &h); |
| 2845 | if (ret) |
| 2846 | return ret; |
| 2847 | |
| 2848 | ret = setup_connection(fctx, h, false0); |
| 2849 | if (ret) |
| 2850 | return ret; |
| 2851 | |
| 2852 | if (!connect) |
| 2853 | /* TODO: print discovery-type info from NBFT tables */ |
| 2854 | return 0; |
| 2855 | |
| 2856 | ret = libnvmf_nbft_read_files(ctx, nbft_path, &entry); |
| 2857 | if (ret) { |
| 2858 | if (ret != -ENOENT2) |
| 2859 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Failed to access ACPI tables directory\n" ) |
| 2860 | "Failed to access ACPI tables directory\n")__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Failed to access ACPI tables directory\n" ); |
| 2861 | else |
| 2862 | ret = 0; /* nothing to connect */ |
| 2863 | goto out_free; |
| 2864 | } |
| 2865 | |
| 2866 | for (; entry; entry = entry->next) { |
| 2867 | if (fctx->hostnqn) |
| 2868 | hostnqn = fctx->hostnqn; |
| 2869 | else { |
| 2870 | hostnqn = entry->nbft->host.nqn; |
| 2871 | if (!hostnqn) |
| 2872 | hostnqn = fctx->hostnqn; |
| 2873 | } |
| 2874 | |
| 2875 | if (fctx->hostid) |
| 2876 | hostid = fctx->hostid; |
| 2877 | else if (*entry->nbft->host.id) { |
| 2878 | ret = libnvme_uuid_to_string(entry->nbft->host.id, uuid); |
| 2879 | if (!ret) |
| 2880 | hostid = uuid; |
| 2881 | else |
| 2882 | hostid = fctx->hostid; |
| 2883 | } |
| 2884 | |
| 2885 | h = libnvme_lookup_host(ctx, hostnqn, hostid); |
| 2886 | if (!h) { |
| 2887 | ret = -ENOENT2; |
| 2888 | goto out_free; |
| 2889 | } |
| 2890 | |
| 2891 | /* Subsystem Namespace Descriptor List */ |
| 2892 | for (ss = entry->nbft->subsystem_ns_list; ss && *ss; ss++) |
| 2893 | for (i = 0; i < (*ss)->num_hfis; i++) { |
| 2894 | struct libnvmf_context nfctx = *fctx; |
| 2895 | |
| 2896 | hfi = (*ss)->hfis[i]; |
| 2897 | |
| 2898 | /* Skip discovery NQN records */ |
| 2899 | if (strcmp((*ss)->subsys_nqn, |
| 2900 | NVME_DISC_SUBSYS_NAME"nqn.2014-08.org.nvmexpress.discovery") == 0) { |
| 2901 | libnvme_msg(ctx, LIBNVME_LOG_INFO,__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "SSNS %d points to well-known discovery NQN, skipping\n" , (*ss)->index) |
| 2902 | "SSNS %d points to well-known discovery NQN, skipping\n",__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "SSNS %d points to well-known discovery NQN, skipping\n" , (*ss)->index) |
| 2903 | (*ss)->index)__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "SSNS %d points to well-known discovery NQN, skipping\n" , (*ss)->index); |
| 2904 | continue; |
| 2905 | } |
| 2906 | |
| 2907 | nfctx.ctrl_params.host_traddr = NULL((void*)0); |
| 2908 | if (!fctx->ctrl_params.host_traddr && |
| 2909 | !strncmp((*ss)->transport, "tcp", 3)) |
| 2910 | nfctx.ctrl_params.host_traddr = |
| 2911 | hfi->tcp_info.ipaddr; |
| 2912 | |
| 2913 | nfctx.ctrl_params.subsysnqn = (*ss)->subsys_nqn; |
| 2914 | nfctx.ctrl_params.transport = (*ss)->transport; |
| 2915 | nfctx.ctrl_params.traddr = (*ss)->traddr; |
| 2916 | nfctx.ctrl_params.trsvcid = (*ss)->trsvcid; |
| 2917 | nfctx.ctrl_params.host_iface = nbft_find_hfi_iface(hfi); |
| 2918 | if (!nfctx.ctrl_params.host_iface) |
| 2919 | libnvme_msg(ctx, LIBNVME_LOG_INFO,__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "SSNS %d: could not find host interface for HFI %d\n" , (*ss)->index, hfi->index) |
| 2920 | "SSNS %d: could not find host interface for HFI %d\n",__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "SSNS %d: could not find host interface for HFI %d\n" , (*ss)->index, hfi->index) |
| 2921 | (*ss)->index, hfi->index)__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "SSNS %d: could not find host interface for HFI %d\n" , (*ss)->index, hfi->index); |
| 2922 | |
| 2923 | rr = nbft_connect(ctx, &nfctx, h, NULL((void*)0), *ss); |
| 2924 | |
| 2925 | /* |
| 2926 | * With TCP/DHCP, it can happen that the OS |
| 2927 | * obtains a different local IP address than the |
| 2928 | * firmware had. Retry without host_traddr. |
| 2929 | */ |
| 2930 | if (rr == -ENVME_CONNECT_ADDRNOTAVAIL && |
| 2931 | !strcmp(nfctx.ctrl_params.transport, |
| 2932 | "tcp") && |
| 2933 | strlen(hfi->tcp_info.dhcp_server_ipaddr) > 0) { |
| 2934 | nfctx.ctrl_params.host_traddr = NULL((void*)0); |
| 2935 | |
| 2936 | rr = nbft_connect(ctx, &nfctx, h, NULL((void*)0), |
| 2937 | *ss); |
| 2938 | |
| 2939 | if (rr == 0) |
| 2940 | libnvme_msg(ctx, LIBNVME_LOG_INFO,__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "SSNS %d: connect with host_traddr=\"%s\" failed, success after omitting host_traddr\n" , (*ss)->index, host_traddr) |
| 2941 | "SSNS %d: connect with host_traddr=\"%s\" failed, success after omitting host_traddr\n",__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "SSNS %d: connect with host_traddr=\"%s\" failed, success after omitting host_traddr\n" , (*ss)->index, host_traddr) |
| 2942 | (*ss)->index,__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "SSNS %d: connect with host_traddr=\"%s\" failed, success after omitting host_traddr\n" , (*ss)->index, host_traddr) |
| 2943 | host_traddr)__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "SSNS %d: connect with host_traddr=\"%s\" failed, success after omitting host_traddr\n" , (*ss)->index, host_traddr); |
| 2944 | } |
| 2945 | |
| 2946 | if (nfctx.ctrl_params.host_iface) |
| 2947 | free((char *)nfctx.ctrl_params.host_iface); |
| 2948 | |
| 2949 | if (rr) { |
| 2950 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "SSNS %d: no controller found\n" , (*ss)->index) |
| 2951 | "SSNS %d: no controller found\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "SSNS %d: no controller found\n" , (*ss)->index) |
| 2952 | (*ss)->index)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "SSNS %d: no controller found\n" , (*ss)->index); |
| 2953 | /* report an error */ |
| 2954 | ret = rr; |
| 2955 | } |
| 2956 | |
| 2957 | if (rr == -ENOMEM12) |
| 2958 | goto out_free; |
| 2959 | } |
| 2960 | |
| 2961 | /* Discovery Descriptor List */ |
| 2962 | for (dd = entry->nbft->discovery_list; dd && *dd; dd++) { |
| 2963 | __cleanup_uri__attribute__((cleanup(free_uri))) struct libnvmf_uri *uri = NULL((void*)0); |
| 2964 | __cleanup_free__attribute__((cleanup(freep))) char *trsvcid = NULL((void*)0); |
| 2965 | struct libnvmf_context nfctx = *fctx; |
| 2966 | bool_Bool persistent = false0; |
| 2967 | bool_Bool linked = false0; |
| 2968 | libnvme_ctrl_t c; |
| 2969 | |
| 2970 | /* only perform discovery when no SSNS record references it */ |
| 2971 | for (ss = entry->nbft->subsystem_ns_list; |
| 2972 | ss && *ss; ss++) |
| 2973 | if ((*ss)->discovery && |
| 2974 | (*ss)->discovery->index == (*dd)->index && |
| 2975 | /* unavailable boot attempts are not discovered |
| 2976 | * and may get transferred along with a well-known |
| 2977 | * discovery NQN into an SSNS record. |
| 2978 | */ |
| 2979 | strcmp((*ss)->subsys_nqn, |
| 2980 | NVME_DISC_SUBSYS_NAME"nqn.2014-08.org.nvmexpress.discovery") != 0) { |
| 2981 | linked = true1; |
| 2982 | break; |
| 2983 | } |
| 2984 | if (linked) |
| 2985 | continue; |
| 2986 | |
| 2987 | hfi = (*dd)->hfi; |
| 2988 | ret = libnvmf_uri_parse((*dd)->uri, &uri); |
| 2989 | if (ret) |
| 2990 | continue; |
| 2991 | if (!validate_uri(ctx, *dd, uri)) |
| 2992 | continue; |
| 2993 | |
| 2994 | host_traddr = NULL((void*)0); |
| 2995 | if (!fctx->ctrl_params.host_traddr && |
| 2996 | !strncmp(uri->protocol, "tcp", 3)) |
| 2997 | host_traddr = hfi->tcp_info.ipaddr; |
| 2998 | if (uri->port > 0) { |
| 2999 | if (asprintf(&trsvcid, "%d", uri->port) < 0) { |
| 3000 | ret = -ENOMEM12; |
| 3001 | goto out_free; |
| 3002 | } |
| 3003 | } else |
| 3004 | trsvcid = |
| 3005 | strdup(libnvmf_get_default_trsvcid( |
| 3006 | uri->protocol, true1)); |
| 3007 | |
| 3008 | nfctx.ctrl_params.subsysnqn = NVME_DISC_SUBSYS_NAME"nqn.2014-08.org.nvmexpress.discovery"; |
| 3009 | nfctx.ctrl_params.transport = uri->protocol; |
| 3010 | nfctx.ctrl_params.traddr = uri->host; |
| 3011 | nfctx.ctrl_params.trsvcid = trsvcid; |
| 3012 | nfctx.ctrl_params.host_traddr = host_traddr; |
| 3013 | nfctx.ctrl_params.host_iface = nbft_find_hfi_iface(hfi); |
| 3014 | if (!nfctx.ctrl_params.host_iface) |
| 3015 | libnvme_msg(ctx, LIBNVME_LOG_INFO,__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "SSNS %d: could not find host interface for HFI %d\n" , (*ss)->index, hfi->index) |
| 3016 | "SSNS %d: could not find host interface for HFI %d\n",__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "SSNS %d: could not find host interface for HFI %d\n" , (*ss)->index, hfi->index) |
| 3017 | (*ss)->index, hfi->index)__libnvme_msg(ctx, LIBNVME_LOG_INFO, ((void*)0), "SSNS %d: could not find host interface for HFI %d\n" , (*ss)->index, hfi->index); |
| 3018 | |
| 3019 | /* Lookup existing discovery controller */ |
| 3020 | c = lookup_ctrl(h, &nfctx); |
| 3021 | if (c && libnvme_ctrl_get_name(c)) |
| 3022 | persistent = true1; |
| 3023 | |
| 3024 | if (!c) { |
| 3025 | ret = nvmf_create_discovery_ctrl(ctx, &nfctx, |
| 3026 | h, &c); |
| 3027 | if (ret == -ENVME_CONNECT_ADDRNOTAVAIL && |
| 3028 | !strcmp(nfctx.ctrl_params.transport, |
| 3029 | "tcp") && |
| 3030 | strlen(hfi->tcp_info.dhcp_server_ipaddr) > 0) { |
| 3031 | nfctx.ctrl_params.traddr = NULL((void*)0); |
| 3032 | ret = nvmf_create_discovery_ctrl(ctx, |
| 3033 | &nfctx, h, &c); |
| 3034 | } |
| 3035 | } else |
| 3036 | ret = 0; |
| 3037 | |
| 3038 | if (nfctx.ctrl_params.host_iface) |
| 3039 | free((char *)nfctx.ctrl_params.host_iface); |
| 3040 | |
| 3041 | if (ret) { |
| 3042 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: failed to add discovery controller: %s\n" , (*dd)->index, libnvme_strerror(-ret)) |
| 3043 | "Discovery Descriptor %d: failed to add discovery controller: %s\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: failed to add discovery controller: %s\n" , (*dd)->index, libnvme_strerror(-ret)) |
| 3044 | (*dd)->index, libnvme_strerror(-ret))__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "Discovery Descriptor %d: failed to add discovery controller: %s\n" , (*dd)->index, libnvme_strerror(-ret)); |
| 3045 | goto out_free; |
| 3046 | } |
| 3047 | |
| 3048 | rr = nbft_discovery(ctx, &nfctx, *dd, h, c); |
| 3049 | if (!persistent) |
| 3050 | libnvmf_disconnect_ctrl(c); |
| 3051 | libnvme_free_ctrl(c); |
| 3052 | if (rr == -ENOMEM12) { |
| 3053 | ret = rr; |
| 3054 | goto out_free; |
| 3055 | } |
| 3056 | } |
| 3057 | } |
| 3058 | out_free: |
| 3059 | libnvmf_nbft_free(ctx, entry); |
| 3060 | return ret; |
| 3061 | } |
| 3062 | |
| 3063 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_discovery( |
| 3064 | struct libnvme_global_ctx *ctx, struct libnvmf_context *fctx, |
| 3065 | bool_Bool connect, bool_Bool force) |
| 3066 | { |
| 3067 | struct libnvme_ctrl *c = NULL((void*)0); |
| 3068 | struct libnvme_host *h; |
| 3069 | int ret; |
| 3070 | |
| 3071 | ret = lookup_host(ctx, fctx, &h); |
| 3072 | if (ret) |
| 3073 | return ret; |
| 3074 | |
| 3075 | ret = setup_connection(fctx, h, true1); |
| 3076 | if (ret) |
| 3077 | return ret; |
| 3078 | |
| 3079 | if (fctx->device && !force) { |
| 3080 | ret = libnvme_scan_ctrl(ctx, fctx->device, &c); |
| 3081 | if (!ret) { |
| 3082 | /* Check if device matches command-line options */ |
| 3083 | if (!libnvmf_ctrl_match_config(c, fctx)) { |
| 3084 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "ctrl device %s found, ignoring non matching command-line options\n" , fctx->device) |
| 3085 | "ctrl device %s found, ignoring non matching command-line options\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "ctrl device %s found, ignoring non matching command-line options\n" , fctx->device) |
| 3086 | fctx->device)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "ctrl device %s found, ignoring non matching command-line options\n" , fctx->device); |
| 3087 | } |
| 3088 | |
| 3089 | if (!libnvme_ctrl_get_discovery_ctrl(c)) { |
| 3090 | libnvme_msg(__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "ctrl device %s found, ignoring non discovery controller\n" , fctx->device) |
| 3091 | ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "ctrl device %s found, ignoring non discovery controller\n" , fctx->device) |
| 3092 | "ctrl device %s found, ignoring non discovery controller\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "ctrl device %s found, ignoring non discovery controller\n" , fctx->device) |
| 3093 | fctx->device)__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "ctrl device %s found, ignoring non discovery controller\n" , fctx->device); |
| 3094 | |
| 3095 | libnvme_free_ctrl(c); |
| 3096 | c = NULL((void*)0); |
| 3097 | fctx->persistent = false0; |
| 3098 | } else { |
| 3099 | /* |
| 3100 | * If the controller device is found it must |
| 3101 | * be persistent, and shouldn't be disconnected |
| 3102 | * on exit. |
| 3103 | */ |
| 3104 | fctx->persistent = true1; |
| 3105 | /* |
| 3106 | * When --host-traddr/--host-iface are not specified on the |
| 3107 | * command line, use the discovery controller's (c) host- |
| 3108 | * traddr/host-iface for the connections to controllers |
| 3109 | * returned in the Discovery Log Pages. This is essential |
| 3110 | * when invoking "connect-all" with --device to reuse an |
| 3111 | * existing persistent discovery controller (as is done |
| 3112 | * for the udev rules). This ensures that host-traddr/ |
| 3113 | * host-iface are consistent with the discovery controller (c). |
| 3114 | */ |
| 3115 | if (!fctx->ctrl_params.host_traddr) |
| 3116 | fctx->ctrl_params.host_traddr = (char *) |
| 3117 | libnvme_ctrl_get_host_traddr(c); |
| 3118 | if (!fctx->ctrl_params.host_iface) |
| 3119 | fctx->ctrl_params.host_iface = (char *) |
| 3120 | libnvme_ctrl_get_host_iface(c); |
| 3121 | } |
| 3122 | } else { |
| 3123 | /* |
| 3124 | * No controller found, fall back to create one. |
| 3125 | * But that controller cannot be persistent. |
| 3126 | */ |
| 3127 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "ctrl device %s not found%s\n" , fctx->device, fctx->persistent ? ", ignoring --persistent" : "") |
| 3128 | "ctrl device %s not found%s\n", fctx->device,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "ctrl device %s not found%s\n" , fctx->device, fctx->persistent ? ", ignoring --persistent" : "") |
| 3129 | fctx->persistent ? ", ignoring --persistent" : "")__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "ctrl device %s not found%s\n" , fctx->device, fctx->persistent ? ", ignoring --persistent" : ""); |
| 3130 | fctx->persistent = false0; |
| 3131 | } |
| 3132 | } |
| 3133 | |
| 3134 | if (!c && !force) { |
| 3135 | c = lookup_ctrl(h, fctx); |
| 3136 | if (c) |
| 3137 | fctx->persistent = true1; |
| 3138 | } |
| 3139 | if (!c) { |
| 3140 | /* No device or non-matching device, create a new controller */ |
| 3141 | ret = nvmf_create_discovery_ctrl(ctx, fctx, h, &c); |
| 3142 | if (ret) { |
| 3143 | if (ret != -ENVME_CONNECT_IGNORED) |
| 3144 | libnvme_msg(ctx, LIBNVME_LOG_ERR,__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to add controller, error %s\n" , libnvme_strerror(-ret)) |
| 3145 | "failed to add controller, error %s\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to add controller, error %s\n" , libnvme_strerror(-ret)) |
| 3146 | libnvme_strerror(-ret))__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "failed to add controller, error %s\n" , libnvme_strerror(-ret)); |
| 3147 | return ret; |
| 3148 | } |
| 3149 | } |
| 3150 | |
| 3151 | ret = _nvmf_discovery(ctx, fctx, connect, c); |
| 3152 | if (!(fctx->persistent || is_persistent_discovery_ctrl(h, c))) |
| 3153 | libnvmf_disconnect_ctrl(c); |
| 3154 | libnvme_free_ctrl(c); |
| 3155 | |
| 3156 | return ret; |
| 3157 | } |
| 3158 | |
| 3159 | __libnvme_public__attribute__((visibility("default"))) int libnvmf_connect( |
| 3160 | struct libnvme_global_ctx *ctx, struct libnvmf_context *fctx) |
| 3161 | { |
| 3162 | struct libnvme_host *h; |
| 3163 | struct libnvme_ctrl *c; |
| 3164 | int err; |
| 3165 | |
| 3166 | err = lookup_host(ctx, fctx, &h); |
| 3167 | if (err) |
| 3168 | return err; |
| 3169 | |
| 3170 | err = setup_connection(fctx, h, false0); |
| 3171 | if (err) |
| 3172 | return err; |
| 3173 | |
| 3174 | c = lookup_ctrl(h, fctx); |
| 3175 | if (c && libnvme_ctrl_get_name(c) && |
| 3176 | !fctx->ctrl_params.cfg.duplicate_connect) { |
| 3177 | fctx->hooks.already_connected(fctx, h, |
| 3178 | libnvme_ctrl_get_subsysnqn(c), |
| 3179 | libnvme_ctrl_get_transport(c), |
| 3180 | libnvme_ctrl_get_traddr(c), |
| 3181 | libnvme_ctrl_get_trsvcid(c), fctx->hooks.user_data); |
| 3182 | return -EALREADY114; |
| 3183 | } |
| 3184 | |
| 3185 | err = libnvme_create_ctrl(ctx, &fctx->ctrl_params, &c); |
| 3186 | if (err) |
| 3187 | return err; |
| 3188 | |
| 3189 | if (fctx->hostkey) { |
| 3190 | libnvme_ctrl_set_dhchap_host_key(c, fctx->hostkey); |
| 3191 | if (fctx->ctrlkey) |
| 3192 | libnvme_ctrl_set_dhchap_ctrl_key(c, fctx->ctrlkey); |
| 3193 | } |
| 3194 | |
| 3195 | nvme_parse_tls_args(fctx->keyring, fctx->tls_key, |
| 3196 | fctx->tls_key_identity, &fctx->ctrl_params.cfg, c); |
| 3197 | update_config(c, &fctx->ctrl_params.cfg); |
| 3198 | |
| 3199 | /* |
| 3200 | * We are connecting to a discovery controller, so let's treat |
| 3201 | * this as a persistent connection and specify a KATO. |
| 3202 | */ |
| 3203 | if (!strcmp(fctx->ctrl_params.subsysnqn, NVME_DISC_SUBSYS_NAME"nqn.2014-08.org.nvmexpress.discovery")) { |
| 3204 | fctx->persistent = true1; |
| 3205 | |
| 3206 | set_discovery_kato(fctx); |
| 3207 | } |
| 3208 | |
| 3209 | err = libnvme_add_ctrl(fctx, h, c); |
| 3210 | if (err) { |
| 3211 | libnvme_msg(ctx, LIBNVME_LOG_ERR, "could not add new controller: %s\n",__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "could not add new controller: %s\n" , libnvme_strerror(-err)) |
| 3212 | libnvme_strerror(-err))__libnvme_msg(ctx, LIBNVME_LOG_ERR, ((void*)0), "could not add new controller: %s\n" , libnvme_strerror(-err)); |
| 3213 | libnvme_free_ctrl(c); |
| 3214 | return err; |
| 3215 | } |
| 3216 | |
| 3217 | fctx->hooks.connected(fctx, c, fctx->hooks.user_data); |
| 3218 | |
| 3219 | return 0; |
| 3220 | } |