X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Feal_common_options.c;h=66f9114715e7a243113abdc312988ebf36abb753;hb=400d307e1a60;hp=8f2cbd1c6835ca84895117daed367268c6baf35c;hpb=293c53d8b23c4b80d3e0c9ad60ffe191ff1c4d3c;p=dpdk.git diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c index 8f2cbd1c68..66f9114715 100644 --- a/lib/librte_eal/common/eal_common_options.c +++ b/lib/librte_eal/common/eal_common_options.c @@ -15,10 +15,13 @@ #include #ifndef RTE_EXEC_ENV_WINDOWS #include +#include #endif #include #include +#ifndef RTE_EXEC_ENV_WINDOWS #include +#endif #include #include @@ -32,11 +35,13 @@ #ifndef RTE_EXEC_ENV_WINDOWS #include #endif +#include #include "eal_internal_cfg.h" #include "eal_options.h" #include "eal_filesystem.h" #include "eal_private.h" +#include "eal_log.h" #ifndef RTE_EXEC_ENV_WINDOWS #include "eal_trace.h" #endif @@ -48,7 +53,8 @@ const char eal_short_options[] = - "b:" /* pci-blacklist */ + "a:" /* allow */ + "b:" /* block */ "c:" /* coremask */ "s:" /* service coremask */ "d:" /* driver */ @@ -59,7 +65,7 @@ eal_short_options[] = "n:" /* memory channels */ "r:" /* memory ranks */ "v" /* version */ - "w:" /* pci-whitelist */ + "w:" /* pci-whitelist (deprecated) */ ; const struct option @@ -78,26 +84,34 @@ eal_long_options[] = { {OPT_TRACE_BUF_SIZE, 1, NULL, OPT_TRACE_BUF_SIZE_NUM }, {OPT_TRACE_MODE, 1, NULL, OPT_TRACE_MODE_NUM }, {OPT_MASTER_LCORE, 1, NULL, OPT_MASTER_LCORE_NUM }, + {OPT_MAIN_LCORE, 1, NULL, OPT_MAIN_LCORE_NUM }, {OPT_MBUF_POOL_OPS_NAME, 1, NULL, OPT_MBUF_POOL_OPS_NAME_NUM}, {OPT_NO_HPET, 0, NULL, OPT_NO_HPET_NUM }, {OPT_NO_HUGE, 0, NULL, OPT_NO_HUGE_NUM }, {OPT_NO_PCI, 0, NULL, OPT_NO_PCI_NUM }, {OPT_NO_SHCONF, 0, NULL, OPT_NO_SHCONF_NUM }, {OPT_IN_MEMORY, 0, NULL, OPT_IN_MEMORY_NUM }, - {OPT_PCI_BLACKLIST, 1, NULL, OPT_PCI_BLACKLIST_NUM }, - {OPT_PCI_WHITELIST, 1, NULL, OPT_PCI_WHITELIST_NUM }, + {OPT_DEV_BLOCK, 1, NULL, OPT_DEV_BLOCK_NUM }, + {OPT_DEV_ALLOW, 1, NULL, OPT_DEV_ALLOW_NUM }, {OPT_PROC_TYPE, 1, NULL, OPT_PROC_TYPE_NUM }, {OPT_SOCKET_MEM, 1, NULL, OPT_SOCKET_MEM_NUM }, {OPT_SOCKET_LIMIT, 1, NULL, OPT_SOCKET_LIMIT_NUM }, {OPT_SYSLOG, 1, NULL, OPT_SYSLOG_NUM }, {OPT_VDEV, 1, NULL, OPT_VDEV_NUM }, {OPT_VFIO_INTR, 1, NULL, OPT_VFIO_INTR_NUM }, + {OPT_VFIO_VF_TOKEN, 1, NULL, OPT_VFIO_VF_TOKEN_NUM }, {OPT_VMWARE_TSC_MAP, 0, NULL, OPT_VMWARE_TSC_MAP_NUM }, {OPT_LEGACY_MEM, 0, NULL, OPT_LEGACY_MEM_NUM }, {OPT_SINGLE_FILE_SEGMENTS, 0, NULL, OPT_SINGLE_FILE_SEGMENTS_NUM}, {OPT_MATCH_ALLOCATIONS, 0, NULL, OPT_MATCH_ALLOCATIONS_NUM}, {OPT_TELEMETRY, 0, NULL, OPT_TELEMETRY_NUM }, {OPT_NO_TELEMETRY, 0, NULL, OPT_NO_TELEMETRY_NUM }, + {OPT_FORCE_MAX_SIMD_BITWIDTH, 1, NULL, OPT_FORCE_MAX_SIMD_BITWIDTH_NUM}, + + /* legacy options that will be removed in future */ + {OPT_PCI_BLACKLIST, 1, NULL, OPT_PCI_BLACKLIST_NUM }, + {OPT_PCI_WHITELIST, 1, NULL, OPT_PCI_WHITELIST_NUM }, + {0, 0, NULL, 0 } }; @@ -115,8 +129,10 @@ struct shared_driver { static struct shared_driver_list solib_list = TAILQ_HEAD_INITIALIZER(solib_list); +#ifndef RTE_EXEC_ENV_WINDOWS /* Default path of external loadable drivers */ static const char *default_solib_dir = RTE_EAL_PMD_PATH; +#endif /* * Stringified version of solib path used by dpdk-pmdinfo.py @@ -138,10 +154,33 @@ struct device_option { static struct device_option_list devopt_list = TAILQ_HEAD_INITIALIZER(devopt_list); -static int master_lcore_parsed; +static int main_lcore_parsed; static int mem_parsed; static int core_parsed; +/* Allow the application to print its usage message too if set */ +static rte_usage_hook_t rte_application_usage_hook; + +/* Returns rte_usage_hook_t */ +rte_usage_hook_t +eal_get_application_usage_hook(void) +{ + return rte_application_usage_hook; +} + +/* Set a per-application usage message */ +rte_usage_hook_t +rte_set_application_usage_hook(rte_usage_hook_t usage_func) +{ + rte_usage_hook_t old_func; + + /* Will be NULL on the first call to denote the last usage routine. */ + old_func = rte_application_usage_hook; + rte_application_usage_hook = usage_func; + + return old_func; +} + #ifndef RTE_EXEC_ENV_WINDOWS static char **eal_args; static char **eal_app_args; @@ -260,8 +299,11 @@ eal_option_device_parse(void) const char * eal_get_hugefile_prefix(void) { - if (internal_config.hugefile_prefix != NULL) - return internal_config.hugefile_prefix; + const struct internal_config *internal_conf = + eal_get_internal_configuration(); + + if (internal_conf->hugefile_prefix != NULL) + return internal_conf->hugefile_prefix; return HUGEFILE_PREFIX_DEFAULT; } @@ -297,6 +339,8 @@ eal_reset_internal_config(struct internal_config *internal_cfg) /* if set to NONE, interrupt mode is determined automatically */ internal_cfg->vfio_intr_mode = RTE_INTR_MODE_NONE; + memset(internal_cfg->vfio_vf_token, 0, + sizeof(internal_cfg->vfio_vf_token)); #ifdef RTE_LIBEAL_USE_HPET internal_cfg->no_hpet = 0; @@ -309,6 +353,8 @@ eal_reset_internal_config(struct internal_config *internal_cfg) internal_cfg->user_mbuf_pool_ops_name = NULL; CPU_ZERO(&internal_cfg->ctrl_cpuset); internal_cfg->init_complete = 0; + internal_cfg->max_simd_bitwidth.bitwidth = RTE_VECT_DEFAULT_SIMD_BITWIDTH; + internal_cfg->max_simd_bitwidth.forced = 0; } static int @@ -322,13 +368,20 @@ eal_plugin_add(const char *path) return -1; } memset(solib, 0, sizeof(*solib)); - strlcpy(solib->name, path, PATH_MAX-1); - solib->name[PATH_MAX-1] = 0; + strlcpy(solib->name, path, PATH_MAX); TAILQ_INSERT_TAIL(&solib_list, solib, next); return 0; } +#ifdef RTE_EXEC_ENV_WINDOWS +int +eal_plugins_init(void) +{ + return 0; +} +#else + static int eal_plugindir_init(const char *path) { @@ -348,9 +401,17 @@ eal_plugindir_init(const char *path) while ((dent = readdir(d)) != NULL) { struct stat sb; + int nlen = strnlen(dent->d_name, sizeof(dent->d_name)); + + /* check if name ends in .so or .so.ABI_VERSION */ + if (strcmp(&dent->d_name[nlen - 3], ".so") != 0 && + strcmp(&dent->d_name[nlen - 4 - strlen(ABI_VERSION)], + ".so."ABI_VERSION) != 0) + continue; snprintf(sopath, sizeof(sopath), "%s/%s", path, dent->d_name); + /* if a regular file, add to list to load */ if (!(stat(sopath, &sb) == 0 && S_ISREG(sb.st_mode))) continue; @@ -363,15 +424,125 @@ eal_plugindir_init(const char *path) return (dent == NULL) ? 0 : -1; } +static int +verify_perms(const char *dirpath) +{ + struct stat st; + + /* if not root, check down one level first */ + if (strcmp(dirpath, "/") != 0) { + static __thread char last_dir_checked[PATH_MAX]; + char copy[PATH_MAX]; + const char *dir; + + strlcpy(copy, dirpath, PATH_MAX); + dir = dirname(copy); + if (strncmp(dir, last_dir_checked, PATH_MAX) != 0) { + if (verify_perms(dir) != 0) + return -1; + strlcpy(last_dir_checked, dir, PATH_MAX); + } + } + + /* call stat to check for permissions and ensure not world writable */ + if (stat(dirpath, &st) != 0) { + RTE_LOG(ERR, EAL, "Error with stat on %s, %s\n", + dirpath, strerror(errno)); + return -1; + } + if (st.st_mode & S_IWOTH) { + RTE_LOG(ERR, EAL, + "Error, directory path %s is world-writable and insecure\n", + dirpath); + return -1; + } + + return 0; +} + +static void * +eal_dlopen(const char *pathname) +{ + void *retval = NULL; + char *realp = realpath(pathname, NULL); + + if (realp == NULL && errno == ENOENT) { + /* not a full or relative path, try a load from system dirs */ + retval = dlopen(pathname, RTLD_NOW); + if (retval == NULL) + RTE_LOG(ERR, EAL, "%s\n", dlerror()); + return retval; + } + if (realp == NULL) { + RTE_LOG(ERR, EAL, "Error with realpath for %s, %s\n", + pathname, strerror(errno)); + goto out; + } + if (strnlen(realp, PATH_MAX) == PATH_MAX) { + RTE_LOG(ERR, EAL, "Error, driver path greater than PATH_MAX\n"); + goto out; + } + + /* do permissions checks */ + if (verify_perms(realp) != 0) + goto out; + + retval = dlopen(realp, RTLD_NOW); + if (retval == NULL) + RTE_LOG(ERR, EAL, "%s\n", dlerror()); +out: + free(realp); + return retval; +} + +static int +is_shared_build(void) +{ +#define EAL_SO "librte_eal.so" + char soname[32]; + size_t len, minlen = strlen(EAL_SO); + + len = strlcpy(soname, EAL_SO"."ABI_VERSION, sizeof(soname)); + if (len > sizeof(soname)) { + RTE_LOG(ERR, EAL, "Shared lib name too long in shared build check\n"); + len = sizeof(soname) - 1; + } + + while (len >= minlen) { + /* check if we have this .so loaded, if so - shared build */ + RTE_LOG(DEBUG, EAL, "Checking presence of .so '%s'\n", soname); + if (dlopen(soname, RTLD_LAZY | RTLD_NOLOAD) != NULL) { + RTE_LOG(INFO, EAL, "Detected shared linkage of DPDK\n"); + return 1; + } + + /* remove any version numbers off the end to retry */ + while (len-- > 0) + if (soname[len] == '.') { + soname[len] = '\0'; + break; + } + } + + RTE_LOG(INFO, EAL, "Detected static linkage of DPDK\n"); + return 0; +} + int eal_plugins_init(void) { -#ifndef RTE_EXEC_ENV_WINDOWS struct shared_driver *solib = NULL; struct stat sb; - if (*default_solib_dir != '\0' && stat(default_solib_dir, &sb) == 0 && - S_ISDIR(sb.st_mode)) + /* If we are not statically linked, add default driver loading + * path if it exists as a directory. + * (Using dlopen with NOLOAD flag on EAL, will return NULL if the EAL + * shared library is not already loaded i.e. it's statically linked.) + */ + if (is_shared_build() && + *default_solib_dir != '\0' && + stat(default_solib_dir, &sb) == 0 && + S_ISDIR(sb.st_mode)) eal_plugin_add(default_solib_dir); TAILQ_FOREACH(solib, &solib_list, next) { @@ -386,17 +557,15 @@ eal_plugins_init(void) } else { RTE_LOG(DEBUG, EAL, "open shared lib %s\n", solib->name); - solib->lib_handle = dlopen(solib->name, RTLD_NOW); - if (solib->lib_handle == NULL) { - RTE_LOG(ERR, EAL, "%s\n", dlerror()); + solib->lib_handle = eal_dlopen(solib->name); + if (solib->lib_handle == NULL) return -1; - } } } return 0; -#endif } +#endif /* * Parse the coremask given as argument (hexadecimal string) and fill @@ -453,12 +622,12 @@ eal_parse_service_coremask(const char *coremask) for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++) { if ((1 << j) & val) { - /* handle master lcore already parsed */ + /* handle main lcore already parsed */ uint32_t lcore = idx; - if (master_lcore_parsed && - cfg->master_lcore == lcore) { + if (main_lcore_parsed && + cfg->main_lcore == lcore) { RTE_LOG(ERR, EAL, - "lcore %u is master lcore, cannot use as service core\n", + "lcore %u is main lcore, cannot use as service core\n", idx); return -1; } @@ -626,12 +795,12 @@ eal_parse_service_corelist(const char *corelist) min = idx; for (idx = min; idx <= max; idx++) { if (cfg->lcore_role[idx] != ROLE_SERVICE) { - /* handle master lcore already parsed */ + /* handle main lcore already parsed */ uint32_t lcore = idx; - if (cfg->master_lcore == lcore && - master_lcore_parsed) { + if (cfg->main_lcore == lcore && + main_lcore_parsed) { RTE_LOG(ERR, EAL, - "Error: lcore %u is master lcore, cannot use as service core\n", + "Error: lcore %u is main lcore, cannot use as service core\n", idx); return -1; } @@ -714,25 +883,25 @@ eal_parse_corelist(const char *corelist, int *cores) return 0; } -/* Changes the lcore id of the master thread */ +/* Changes the lcore id of the main thread */ static int -eal_parse_master_lcore(const char *arg) +eal_parse_main_lcore(const char *arg) { char *parsing_end; struct rte_config *cfg = rte_eal_get_configuration(); errno = 0; - cfg->master_lcore = (uint32_t) strtol(arg, &parsing_end, 0); + cfg->main_lcore = (uint32_t) strtol(arg, &parsing_end, 0); if (errno || parsing_end[0] != 0) return -1; - if (cfg->master_lcore >= RTE_MAX_LCORE) + if (cfg->main_lcore >= RTE_MAX_LCORE) return -1; - master_lcore_parsed = 1; + main_lcore_parsed = 1; - /* ensure master core is not used as service core */ - if (lcore_config[cfg->master_lcore].core_role == ROLE_SERVICE) { + /* ensure main core is not used as service core */ + if (lcore_config[cfg->main_lcore].core_role == ROLE_SERVICE) { RTE_LOG(ERR, EAL, - "Error: Master lcore is used as a service core\n"); + "Error: Main lcore is used as a service core\n"); return -1; } @@ -1058,19 +1227,31 @@ eal_parse_syslog(const char *facility, struct internal_config *conf) } #endif +static void +eal_log_usage(void) +{ + unsigned int level; + + printf("Log type is a pattern matching items of this list" + " (plugins may be missing):\n"); + rte_log_list_types(stdout, "\t"); + printf("\n"); + printf("Syntax using globbing pattern: "); + printf("--"OPT_LOG_LEVEL" pattern:level\n"); + printf("Syntax using regular expression: "); + printf("--"OPT_LOG_LEVEL" regexp,level\n"); + printf("Syntax for the global level: "); + printf("--"OPT_LOG_LEVEL" level\n"); + printf("Logs are emitted if allowed by both global and specific levels.\n"); + printf("\n"); + printf("Log level can be a number or the first letters of its name:\n"); + for (level = 1; level <= RTE_LOG_MAX; level++) + printf("\t%d %s\n", level, eal_log_level2str(level)); +} + static int eal_parse_log_priority(const char *level) { - static const char * const levels[] = { - [RTE_LOG_EMERG] = "emergency", - [RTE_LOG_ALERT] = "alert", - [RTE_LOG_CRIT] = "critical", - [RTE_LOG_ERR] = "error", - [RTE_LOG_WARNING] = "warning", - [RTE_LOG_NOTICE] = "notice", - [RTE_LOG_INFO] = "info", - [RTE_LOG_DEBUG] = "debug", - }; size_t len = strlen(level); unsigned long tmp; char *end; @@ -1080,8 +1261,8 @@ eal_parse_log_priority(const char *level) return -1; /* look for named values, skip 0 which is not a valid level */ - for (i = 1; i < RTE_DIM(levels); i++) { - if (strncmp(levels[i], level, len) == 0) + for (i = 1; i <= RTE_LOG_MAX; i++) { + if (strncmp(eal_log_level2str(i), level, len) == 0) return i; } @@ -1105,6 +1286,11 @@ eal_parse_log_level(const char *arg) char *str, *level; int priority; + if (strcmp(arg, "help") == 0) { + eal_log_usage(); + exit(EXIT_SUCCESS); + } + str = strdup(arg); if (str == NULL) return -1; @@ -1120,10 +1306,15 @@ eal_parse_log_level(const char *arg) } priority = eal_parse_log_priority(level); - if (priority < 0) { - fprintf(stderr, "invalid log priority: %s\n", level); + if (priority <= 0) { + fprintf(stderr, "Invalid log level: %s\n", level); goto fail; } + if (priority > (int)RTE_LOG_MAX) { + fprintf(stderr, "Log level %d higher than maximum (%d)\n", + priority, RTE_LOG_MAX); + priority = RTE_LOG_MAX; + } if (regex) { if (rte_log_set_level_regexp(regex, priority) < 0) { @@ -1131,7 +1322,7 @@ eal_parse_log_level(const char *arg) regex, priority); goto fail; } - if (rte_log_save_regexp(regex, priority) < 0) + if (eal_log_save_regexp(regex, priority) < 0) goto fail; } else if (pattern) { if (rte_log_set_level_pattern(pattern, priority) < 0) { @@ -1139,7 +1330,7 @@ eal_parse_log_level(const char *arg) pattern, priority); goto fail; } - if (rte_log_save_pattern(pattern, priority) < 0) + if (eal_log_save_pattern(pattern, priority) < 0) goto fail; } else { rte_log_set_global_level(priority); @@ -1170,6 +1361,8 @@ static int eal_parse_iova_mode(const char *name) { int mode; + struct internal_config *internal_conf = + eal_get_internal_configuration(); if (name == NULL) return -1; @@ -1181,7 +1374,35 @@ eal_parse_iova_mode(const char *name) else return -1; - internal_config.iova_mode = mode; + internal_conf->iova_mode = mode; + return 0; +} + +static int +eal_parse_simd_bitwidth(const char *arg) +{ + char *end; + unsigned long bitwidth; + int ret; + struct internal_config *internal_conf = + eal_get_internal_configuration(); + + if (arg == NULL || arg[0] == '\0') + return -1; + + errno = 0; + bitwidth = strtoul(arg, &end, 0); + + /* check for errors */ + if (errno != 0 || end == NULL || *end != '\0' || bitwidth > RTE_VECT_SIMD_MAX) + return -1; + + if (bitwidth == 0) + bitwidth = (unsigned long) RTE_VECT_SIMD_MAX; + ret = rte_vect_set_max_simd_bitwidth(bitwidth); + if (ret < 0) + return -1; + internal_conf->max_simd_bitwidth.forced = 1; return 0; } @@ -1190,6 +1411,8 @@ eal_parse_base_virtaddr(const char *arg) { char *end; uint64_t addr; + struct internal_config *internal_conf = + eal_get_internal_configuration(); errno = 0; addr = strtoull(arg, &end, 16); @@ -1209,7 +1432,7 @@ eal_parse_base_virtaddr(const char *arg) * it can align to 2MB for x86. So this alignment can also be used * on x86 and other architectures. */ - internal_config.base_virtaddr = + internal_conf->base_virtaddr = RTE_PTR_ALIGN_CEIL((uintptr_t)addr, (size_t)RTE_PGSIZE_16M); return 0; @@ -1289,28 +1512,31 @@ eal_parse_common_option(int opt, const char *optarg, struct internal_config *conf) { static int b_used; - static int w_used; + static int a_used; switch (opt) { - /* blacklist */ + case OPT_PCI_BLACKLIST_NUM: + fprintf(stderr, + "Option --pci-blacklist is deprecated, use -b, --block instead\n"); + /* fallthrough */ case 'b': - if (w_used) - goto bw_used; - if (eal_option_device_add(RTE_DEVTYPE_BLACKLISTED_PCI, - optarg) < 0) { + if (a_used) + goto ba_conflict; + if (eal_option_device_add(RTE_DEVTYPE_BLOCKED, optarg) < 0) return -1; - } b_used = 1; break; - /* whitelist */ + case 'w': + fprintf(stderr, + "Option -w, --pci-whitelist is deprecated, use -a, --allow option instead\n"); + /* fallthrough */ + case 'a': if (b_used) - goto bw_used; - if (eal_option_device_add(RTE_DEVTYPE_WHITELISTED_PCI, - optarg) < 0) { + goto ba_conflict; + if (eal_option_device_add(RTE_DEVTYPE_ALLOWED, optarg) < 0) return -1; - } - w_used = 1; + a_used = 1; break; /* coremask */ case 'c': { @@ -1467,9 +1693,14 @@ eal_parse_common_option(int opt, const char *optarg, break; case OPT_MASTER_LCORE_NUM: - if (eal_parse_master_lcore(optarg) < 0) { + fprintf(stderr, + "Option --" OPT_MASTER_LCORE + " is deprecated use " OPT_MAIN_LCORE "\n"); + /* fallthrough */ + case OPT_MAIN_LCORE_NUM: + if (eal_parse_main_lcore(optarg) < 0) { RTE_LOG(ERR, EAL, "invalid parameter for --" - OPT_MASTER_LCORE "\n"); + OPT_MAIN_LCORE "\n"); return -1; } break; @@ -1581,6 +1812,13 @@ eal_parse_common_option(int opt, const char *optarg, case OPT_NO_TELEMETRY_NUM: conf->no_telemetry = 1; break; + case OPT_FORCE_MAX_SIMD_BITWIDTH_NUM: + if (eal_parse_simd_bitwidth(optarg) < 0) { + RTE_LOG(ERR, EAL, "invalid parameter for --" + OPT_FORCE_MAX_SIMD_BITWIDTH "\n"); + return -1; + } + break; /* don't know what to do, leave this to caller */ default: @@ -1589,9 +1827,10 @@ eal_parse_common_option(int opt, const char *optarg, } return 0; -bw_used: - RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) " - "cannot be used at the same time\n"); + +ba_conflict: + RTE_LOG(ERR, EAL, + "Options allow (-a) and block (-b) can't be used at the same time\n"); return -1; } @@ -1637,9 +1876,9 @@ compute_ctrl_threads_cpuset(struct internal_config *internal_cfg) RTE_CPU_AND(cpuset, cpuset, &default_set); - /* if no remaining cpu, use master lcore cpu affinity */ + /* if no remaining cpu, use main lcore cpu affinity */ if (!CPU_COUNT(cpuset)) { - memcpy(cpuset, &lcore_config[rte_get_master_lcore()].cpuset, + memcpy(cpuset, &lcore_config[rte_get_main_lcore()].cpuset, sizeof(*cpuset)); } } @@ -1662,19 +1901,21 @@ eal_adjust_config(struct internal_config *internal_cfg) { int i; struct rte_config *cfg = rte_eal_get_configuration(); + struct internal_config *internal_conf = + eal_get_internal_configuration(); if (!core_parsed) eal_auto_detect_cores(cfg); - if (internal_config.process_type == RTE_PROC_AUTO) - internal_config.process_type = eal_proc_type_detect(); + if (internal_conf->process_type == RTE_PROC_AUTO) + internal_conf->process_type = eal_proc_type_detect(); - /* default master lcore is the first one */ - if (!master_lcore_parsed) { - cfg->master_lcore = rte_get_next_lcore(-1, 0, 0); - if (cfg->master_lcore >= RTE_MAX_LCORE) + /* default main lcore is the first one */ + if (!main_lcore_parsed) { + cfg->main_lcore = rte_get_next_lcore(-1, 0, 0); + if (cfg->main_lcore >= RTE_MAX_LCORE) return -1; - lcore_config[cfg->master_lcore].core_role = ROLE_RTE; + lcore_config[cfg->main_lcore].core_role = ROLE_RTE; } compute_ctrl_threads_cpuset(internal_cfg); @@ -1691,9 +1932,11 @@ int eal_check_common_options(struct internal_config *internal_cfg) { struct rte_config *cfg = rte_eal_get_configuration(); + const struct internal_config *internal_conf = + eal_get_internal_configuration(); - if (cfg->lcore_role[cfg->master_lcore] != ROLE_RTE) { - RTE_LOG(ERR, EAL, "Master lcore is not enabled for DPDK\n"); + if (cfg->lcore_role[cfg->main_lcore] != ROLE_RTE) { + RTE_LOG(ERR, EAL, "Main lcore is not enabled for DPDK\n"); return -1; } @@ -1716,7 +1959,7 @@ eal_check_common_options(struct internal_config *internal_cfg) RTE_LOG(ERR, EAL, "Invalid length of --" OPT_MBUF_POOL_OPS_NAME" option\n"); return -1; } - if (index(eal_get_hugefile_prefix(), '%') != NULL) { + if (strchr(eal_get_hugefile_prefix(), '%') != NULL) { RTE_LOG(ERR, EAL, "Invalid char, '%%', in --"OPT_FILE_PREFIX" " "option\n"); return -1; @@ -1737,7 +1980,7 @@ eal_check_common_options(struct internal_config *internal_cfg) "be specified together with --"OPT_NO_HUGE"\n"); return -1; } - if (internal_config.force_socket_limits && internal_config.legacy_mem) { + if (internal_conf->force_socket_limits && internal_conf->legacy_mem) { RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_LIMIT " is only supported in non-legacy memory mode\n"); } @@ -1773,6 +2016,32 @@ eal_check_common_options(struct internal_config *internal_cfg) return 0; } +uint16_t +rte_vect_get_max_simd_bitwidth(void) +{ + const struct internal_config *internal_conf = + eal_get_internal_configuration(); + return internal_conf->max_simd_bitwidth.bitwidth; +} + +int +rte_vect_set_max_simd_bitwidth(uint16_t bitwidth) +{ + struct internal_config *internal_conf = + eal_get_internal_configuration(); + if (internal_conf->max_simd_bitwidth.forced) { + RTE_LOG(NOTICE, EAL, "Cannot set max SIMD bitwidth - user runtime override enabled"); + return -EPERM; + } + + if (bitwidth < RTE_VECT_SIMD_DISABLED || !rte_is_power_of_2(bitwidth)) { + RTE_LOG(ERR, EAL, "Invalid bitwidth value!\n"); + return -EINVAL; + } + internal_conf->max_simd_bitwidth.bitwidth = bitwidth; + return 0; +} + void eal_common_usage(void) { @@ -1791,19 +2060,19 @@ eal_common_usage(void) " '( )' can be omitted for single element group,\n" " '@' can be omitted if cpus and lcores have the same value\n" " -s SERVICE COREMASK Hexadecimal bitmask of cores to be used as service cores\n" - " --"OPT_MASTER_LCORE" ID Core ID that is used as master\n" + " --"OPT_MAIN_LCORE" ID Core ID that is used as main\n" " --"OPT_MBUF_POOL_OPS_NAME" Pool ops name for mbuf to use\n" " -n CHANNELS Number of memory channels\n" " -m MB Memory to allocate (see also --"OPT_SOCKET_MEM")\n" " -r RANKS Force number of memory ranks (don't detect)\n" - " -b, --"OPT_PCI_BLACKLIST" Add a PCI device in black list.\n" - " Prevent EAL from using this PCI device. The argument\n" - " format is .\n" - " -w, --"OPT_PCI_WHITELIST" Add a PCI device in white list.\n" - " Only use the specified PCI devices. The argument format\n" - " is <[domain:]bus:devid.func>. This option can be present\n" - " several times (once per device).\n" - " [NOTE: PCI whitelist cannot be used with -b option]\n" + " -b, --block Add a device to the blocked list.\n" + " Prevent EAL from using this device. The argument\n" + " format for PCI devices is .\n" + " -a, --allow Add a device to the allow list.\n" + " Only use the specified devices. The argument format\n" + " for PCI devices is <[domain:]bus:devid.func>.\n" + " This option can be present several times.\n" + " [NOTE: " OPT_DEV_ALLOW " cannot be used with "OPT_DEV_BLOCK" option]\n" " --"OPT_VDEV" Add a virtual device.\n" " The argument format is [,key=val,...]\n" " (ex: --vdev=net_pcap0,iface=eth2).\n" @@ -1816,9 +2085,10 @@ eal_common_usage(void) #ifndef RTE_EXEC_ENV_WINDOWS " --"OPT_SYSLOG" Set syslog facility\n" #endif - " --"OPT_LOG_LEVEL"= Set global log level\n" - " --"OPT_LOG_LEVEL"=:\n" + " --"OPT_LOG_LEVEL"= Set global log level\n" + " --"OPT_LOG_LEVEL"=:\n" " Set specific log level\n" + " --"OPT_LOG_LEVEL"=help Show log types and levels\n" #ifndef RTE_EXEC_ENV_WINDOWS " --"OPT_TRACE"=\n" " Enable trace based on regular expression trace name.\n" @@ -1851,6 +2121,7 @@ eal_common_usage(void) " --"OPT_BASE_VIRTADDR" Base virtual address\n" " --"OPT_TELEMETRY" Enable telemetry support (on by default)\n" " --"OPT_NO_TELEMETRY" Disable telemetry support\n" + " --"OPT_FORCE_MAX_SIMD_BITWIDTH" Force the max SIMD bitwidth\n" "\nEAL options for DEBUG use only:\n" " --"OPT_HUGE_UNLINK" Unlink hugepage files after init\n" " --"OPT_NO_HUGE" Use malloc instead of hugetlbfs\n"