1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation.
3 * Copyright(c) 2014 6WIND S.A.
15 #include <sys/types.h>
21 #include <rte_lcore.h>
22 #include <rte_tailq.h>
23 #include <rte_version.h>
24 #include <rte_devargs.h>
25 #include <rte_memcpy.h>
27 #include "eal_internal_cfg.h"
28 #include "eal_options.h"
29 #include "eal_filesystem.h"
30 #include "eal_private.h"
32 #define BITS_PER_HEX 4
33 #define LCORE_OPT_LST 1
34 #define LCORE_OPT_MSK 2
35 #define LCORE_OPT_MAP 3
39 "b:" /* pci-blacklist */
41 "s:" /* service coremask */
45 "S:" /* service corelist */
46 "m:" /* memory size */
47 "n:" /* memory channels */
48 "r:" /* memory ranks */
50 "w:" /* pci-whitelist */
54 eal_long_options[] = {
55 {OPT_BASE_VIRTADDR, 1, NULL, OPT_BASE_VIRTADDR_NUM },
56 {OPT_CREATE_UIO_DEV, 0, NULL, OPT_CREATE_UIO_DEV_NUM },
57 {OPT_FILE_PREFIX, 1, NULL, OPT_FILE_PREFIX_NUM },
58 {OPT_HELP, 0, NULL, OPT_HELP_NUM },
59 {OPT_HUGE_DIR, 1, NULL, OPT_HUGE_DIR_NUM },
60 {OPT_HUGE_UNLINK, 0, NULL, OPT_HUGE_UNLINK_NUM },
61 {OPT_LCORES, 1, NULL, OPT_LCORES_NUM },
62 {OPT_LOG_LEVEL, 1, NULL, OPT_LOG_LEVEL_NUM },
63 {OPT_MASTER_LCORE, 1, NULL, OPT_MASTER_LCORE_NUM },
64 {OPT_MBUF_POOL_OPS_NAME, 1, NULL, OPT_MBUF_POOL_OPS_NAME_NUM},
65 {OPT_NO_HPET, 0, NULL, OPT_NO_HPET_NUM },
66 {OPT_NO_HUGE, 0, NULL, OPT_NO_HUGE_NUM },
67 {OPT_NO_PCI, 0, NULL, OPT_NO_PCI_NUM },
68 {OPT_NO_SHCONF, 0, NULL, OPT_NO_SHCONF_NUM },
69 {OPT_PCI_BLACKLIST, 1, NULL, OPT_PCI_BLACKLIST_NUM },
70 {OPT_PCI_WHITELIST, 1, NULL, OPT_PCI_WHITELIST_NUM },
71 {OPT_PROC_TYPE, 1, NULL, OPT_PROC_TYPE_NUM },
72 {OPT_SOCKET_MEM, 1, NULL, OPT_SOCKET_MEM_NUM },
73 {OPT_SOCKET_LIMIT, 1, NULL, OPT_SOCKET_LIMIT_NUM },
74 {OPT_SYSLOG, 1, NULL, OPT_SYSLOG_NUM },
75 {OPT_VDEV, 1, NULL, OPT_VDEV_NUM },
76 {OPT_VFIO_INTR, 1, NULL, OPT_VFIO_INTR_NUM },
77 {OPT_VMWARE_TSC_MAP, 0, NULL, OPT_VMWARE_TSC_MAP_NUM },
78 {OPT_LEGACY_MEM, 0, NULL, OPT_LEGACY_MEM_NUM },
79 {OPT_SINGLE_FILE_SEGMENTS, 0, NULL, OPT_SINGLE_FILE_SEGMENTS_NUM},
83 TAILQ_HEAD(shared_driver_list, shared_driver);
85 /* Definition for shared object drivers. */
86 struct shared_driver {
87 TAILQ_ENTRY(shared_driver) next;
93 /* List of external loadable drivers */
94 static struct shared_driver_list solib_list =
95 TAILQ_HEAD_INITIALIZER(solib_list);
97 /* Default path of external loadable drivers */
98 static const char *default_solib_dir = RTE_EAL_PMD_PATH;
101 * Stringified version of solib path used by dpdk-pmdinfo.py
102 * Note: PLEASE DO NOT ALTER THIS without making a corresponding
103 * change to usertools/dpdk-pmdinfo.py
105 static const char dpdk_solib_path[] __attribute__((used)) =
106 "DPDK_PLUGIN_PATH=" RTE_EAL_PMD_PATH;
108 TAILQ_HEAD(device_option_list, device_option);
110 struct device_option {
111 TAILQ_ENTRY(device_option) next;
113 enum rte_devtype type;
117 static struct device_option_list devopt_list =
118 TAILQ_HEAD_INITIALIZER(devopt_list);
120 static int master_lcore_parsed;
121 static int mem_parsed;
122 static int core_parsed;
125 eal_option_device_add(enum rte_devtype type, const char *optarg)
127 struct device_option *devopt;
131 optlen = strlen(optarg) + 1;
132 devopt = calloc(1, sizeof(*devopt) + optlen);
133 if (devopt == NULL) {
134 RTE_LOG(ERR, EAL, "Unable to allocate device option\n");
139 ret = snprintf(devopt->arg, optlen, "%s", optarg);
141 RTE_LOG(ERR, EAL, "Unable to copy device option\n");
145 TAILQ_INSERT_TAIL(&devopt_list, devopt, next);
150 eal_option_device_parse(void)
152 struct device_option *devopt;
156 TAILQ_FOREACH_SAFE(devopt, &devopt_list, next, tmp) {
158 ret = rte_devargs_add(devopt->type, devopt->arg);
160 RTE_LOG(ERR, EAL, "Unable to parse device '%s'\n",
163 TAILQ_REMOVE(&devopt_list, devopt, next);
170 eal_reset_internal_config(struct internal_config *internal_cfg)
174 internal_cfg->memory = 0;
175 internal_cfg->force_nrank = 0;
176 internal_cfg->force_nchannel = 0;
177 internal_cfg->hugefile_prefix = HUGEFILE_PREFIX_DEFAULT;
178 internal_cfg->hugepage_dir = NULL;
179 internal_cfg->force_sockets = 0;
180 /* zero out the NUMA config */
181 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
182 internal_cfg->socket_mem[i] = 0;
183 internal_cfg->force_socket_limits = 0;
184 /* zero out the NUMA limits config */
185 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
186 internal_cfg->socket_limit[i] = 0;
187 /* zero out hugedir descriptors */
188 for (i = 0; i < MAX_HUGEPAGE_SIZES; i++) {
189 memset(&internal_cfg->hugepage_info[i], 0,
190 sizeof(internal_cfg->hugepage_info[0]));
191 internal_cfg->hugepage_info[i].lock_descriptor = -1;
193 internal_cfg->base_virtaddr = 0;
195 internal_cfg->syslog_facility = LOG_DAEMON;
197 /* if set to NONE, interrupt mode is determined automatically */
198 internal_cfg->vfio_intr_mode = RTE_INTR_MODE_NONE;
200 #ifdef RTE_LIBEAL_USE_HPET
201 internal_cfg->no_hpet = 0;
203 internal_cfg->no_hpet = 1;
205 internal_cfg->vmware_tsc_map = 0;
206 internal_cfg->create_uio_dev = 0;
207 internal_cfg->user_mbuf_pool_ops_name = NULL;
208 internal_cfg->init_complete = 0;
212 eal_plugin_add(const char *path)
214 struct shared_driver *solib;
216 solib = malloc(sizeof(*solib));
218 RTE_LOG(ERR, EAL, "malloc(solib) failed\n");
221 memset(solib, 0, sizeof(*solib));
222 strncpy(solib->name, path, PATH_MAX-1);
223 solib->name[PATH_MAX-1] = 0;
224 TAILQ_INSERT_TAIL(&solib_list, solib, next);
230 eal_plugindir_init(const char *path)
233 struct dirent *dent = NULL;
234 char sopath[PATH_MAX];
236 if (path == NULL || *path == '\0')
241 RTE_LOG(ERR, EAL, "failed to open directory %s: %s\n",
242 path, strerror(errno));
246 while ((dent = readdir(d)) != NULL) {
249 snprintf(sopath, PATH_MAX-1, "%s/%s", path, dent->d_name);
250 sopath[PATH_MAX-1] = 0;
252 if (!(stat(sopath, &sb) == 0 && S_ISREG(sb.st_mode)))
255 if (eal_plugin_add(sopath) == -1)
260 /* XXX this ignores failures from readdir() itself */
261 return (dent == NULL) ? 0 : -1;
265 eal_plugins_init(void)
267 struct shared_driver *solib = NULL;
270 if (*default_solib_dir != '\0' && stat(default_solib_dir, &sb) == 0 &&
272 eal_plugin_add(default_solib_dir);
274 TAILQ_FOREACH(solib, &solib_list, next) {
276 if (stat(solib->name, &sb) == 0 && S_ISDIR(sb.st_mode)) {
277 if (eal_plugindir_init(solib->name) == -1) {
279 "Cannot init plugin directory %s\n",
284 RTE_LOG(DEBUG, EAL, "open shared lib %s\n",
286 solib->lib_handle = dlopen(solib->name, RTLD_NOW);
287 if (solib->lib_handle == NULL) {
288 RTE_LOG(ERR, EAL, "%s\n", dlerror());
298 * Parse the coremask given as argument (hexadecimal string) and fill
299 * the global configuration (core role and core count) with the parsed
302 static int xdigit2val(unsigned char c)
316 eal_parse_service_coremask(const char *coremask)
318 struct rte_config *cfg = rte_eal_get_configuration();
320 unsigned int count = 0;
324 if (coremask == NULL)
326 /* Remove all blank characters ahead and after .
327 * Remove 0x/0X if exists.
329 while (isblank(*coremask))
331 if (coremask[0] == '0' && ((coremask[1] == 'x')
332 || (coremask[1] == 'X')))
334 i = strlen(coremask);
335 while ((i > 0) && isblank(coremask[i - 1]))
341 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
343 if (isxdigit(c) == 0) {
344 /* invalid characters */
348 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE;
350 if ((1 << j) & val) {
351 /* handle master lcore already parsed */
352 uint32_t lcore = idx;
353 if (master_lcore_parsed &&
354 cfg->master_lcore == lcore) {
356 "Error: lcore %u is master lcore, cannot use as service core\n",
361 if (!lcore_config[idx].detected) {
363 "lcore %u unavailable\n", idx);
366 lcore_config[idx].core_role = ROLE_SERVICE;
373 if (coremask[i] != '0')
376 for (; idx < RTE_MAX_LCORE; idx++)
377 lcore_config[idx].core_index = -1;
382 cfg->service_lcore_count = count;
387 eal_parse_coremask(const char *coremask)
389 struct rte_config *cfg = rte_eal_get_configuration();
395 if (coremask == NULL)
397 /* Remove all blank characters ahead and after .
398 * Remove 0x/0X if exists.
400 while (isblank(*coremask))
402 if (coremask[0] == '0' && ((coremask[1] == 'x')
403 || (coremask[1] == 'X')))
405 i = strlen(coremask);
406 while ((i > 0) && isblank(coremask[i - 1]))
411 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
413 if (isxdigit(c) == 0) {
414 /* invalid characters */
418 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++)
420 if ((1 << j) & val) {
421 if (!lcore_config[idx].detected) {
422 RTE_LOG(ERR, EAL, "lcore %u "
423 "unavailable\n", idx);
426 cfg->lcore_role[idx] = ROLE_RTE;
427 lcore_config[idx].core_index = count;
430 cfg->lcore_role[idx] = ROLE_OFF;
431 lcore_config[idx].core_index = -1;
436 if (coremask[i] != '0')
438 for (; idx < RTE_MAX_LCORE; idx++) {
439 cfg->lcore_role[idx] = ROLE_OFF;
440 lcore_config[idx].core_index = -1;
444 /* Update the count of enabled logical cores of the EAL configuration */
445 cfg->lcore_count = count;
450 eal_parse_service_corelist(const char *corelist)
452 struct rte_config *cfg = rte_eal_get_configuration();
458 if (corelist == NULL)
461 /* Remove all blank characters ahead and after */
462 while (isblank(*corelist))
464 i = strlen(corelist);
465 while ((i > 0) && isblank(corelist[i - 1]))
468 /* Get list of cores */
471 while (isblank(*corelist))
473 if (*corelist == '\0')
476 idx = strtoul(corelist, &end, 10);
477 if (errno || end == NULL)
479 while (isblank(*end))
483 } else if ((*end == ',') || (*end == '\0')) {
485 if (min == RTE_MAX_LCORE)
487 for (idx = min; idx <= max; idx++) {
488 if (cfg->lcore_role[idx] != ROLE_SERVICE) {
489 /* handle master lcore already parsed */
490 uint32_t lcore = idx;
491 if (cfg->master_lcore == lcore &&
492 master_lcore_parsed) {
494 "Error: lcore %u is master lcore, cannot use as service core\n",
498 lcore_config[idx].core_role =
507 } while (*end != '\0');
516 eal_parse_corelist(const char *corelist)
518 struct rte_config *cfg = rte_eal_get_configuration();
524 if (corelist == NULL)
527 /* Remove all blank characters ahead and after */
528 while (isblank(*corelist))
530 i = strlen(corelist);
531 while ((i > 0) && isblank(corelist[i - 1]))
535 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
536 cfg->lcore_role[idx] = ROLE_OFF;
537 lcore_config[idx].core_index = -1;
540 /* Get list of cores */
543 while (isblank(*corelist))
545 if (*corelist == '\0')
548 idx = strtoul(corelist, &end, 10);
549 if (errno || end == NULL)
551 while (isblank(*end))
555 } else if ((*end == ',') || (*end == '\0')) {
557 if (min == RTE_MAX_LCORE)
559 for (idx = min; idx <= max; idx++) {
560 if (cfg->lcore_role[idx] != ROLE_RTE) {
561 cfg->lcore_role[idx] = ROLE_RTE;
562 lcore_config[idx].core_index = count;
570 } while (*end != '\0');
575 /* Update the count of enabled logical cores of the EAL configuration */
576 cfg->lcore_count = count;
581 /* Changes the lcore id of the master thread */
583 eal_parse_master_lcore(const char *arg)
586 struct rte_config *cfg = rte_eal_get_configuration();
589 cfg->master_lcore = (uint32_t) strtol(arg, &parsing_end, 0);
590 if (errno || parsing_end[0] != 0)
592 if (cfg->master_lcore >= RTE_MAX_LCORE)
594 master_lcore_parsed = 1;
596 /* ensure master core is not used as service core */
597 if (lcore_config[cfg->master_lcore].core_role == ROLE_SERVICE) {
598 RTE_LOG(ERR, EAL, "Error: Master lcore is used as a service core.\n");
606 * Parse elem, the elem could be single number/range or '(' ')' group
607 * 1) A single number elem, it's just a simple digit. e.g. 9
608 * 2) A single range elem, two digits with a '-' between. e.g. 2-6
609 * 3) A group elem, combines multiple 1) or 2) with '( )'. e.g (0,2-4,6)
610 * Within group elem, '-' used for a range separator;
611 * ',' used for a single number.
614 eal_parse_set(const char *input, uint16_t set[], unsigned num)
617 const char *str = input;
621 memset(set, 0, num * sizeof(uint16_t));
623 while (isblank(*str))
626 /* only digit or left bracket is qualify for start point */
627 if ((!isdigit(*str) && *str != '(') || *str == '\0')
630 /* process single number or single range of number */
633 idx = strtoul(str, &end, 10);
634 if (errno || end == NULL || idx >= num)
637 while (isblank(*end))
643 /* process single <number>-<number> */
645 while (isblank(*end))
651 idx = strtoul(end, &end, 10);
652 if (errno || end == NULL || idx >= num)
655 while (isblank(*end))
657 if (*end != ',' && *end != '\0')
661 if (*end != ',' && *end != '\0' &&
665 for (idx = RTE_MIN(min, max);
666 idx <= RTE_MAX(min, max); idx++)
673 /* process set within bracket */
675 while (isblank(*str))
683 /* go ahead to the first digit */
684 while (isblank(*str))
689 /* get the digit value */
691 idx = strtoul(str, &end, 10);
692 if (errno || end == NULL || idx >= num)
695 /* go ahead to separator '-',',' and ')' */
696 while (isblank(*end))
699 if (min == RTE_MAX_LCORE)
701 else /* avoid continuous '-' */
703 } else if ((*end == ',') || (*end == ')')) {
705 if (min == RTE_MAX_LCORE)
707 for (idx = RTE_MIN(min, max);
708 idx <= RTE_MAX(min, max); idx++)
716 } while (*end != '\0' && *end != ')');
719 * to avoid failure that tail blank makes end character check fail
720 * in eal_parse_lcores( )
722 while (isblank(*str))
728 /* convert from set array to cpuset bitmap */
730 convert_to_cpuset(rte_cpuset_t *cpusetp,
731 uint16_t *set, unsigned num)
737 for (idx = 0; idx < num; idx++) {
741 if (!lcore_config[idx].detected) {
742 RTE_LOG(ERR, EAL, "core %u "
743 "unavailable\n", idx);
747 CPU_SET(idx, cpusetp);
754 * The format pattern: --lcores='<lcores[@cpus]>[<,lcores[@cpus]>...]'
755 * lcores, cpus could be a single digit/range or a group.
756 * '(' and ')' are necessary if it's a group.
757 * If not supply '@cpus', the value of cpus uses the same as lcores.
758 * e.g. '1,2@(5-7),(3-5)@(0,2),(0,6),7-8' means start 9 EAL thread as below
759 * lcore 0 runs on cpuset 0x41 (cpu 0,6)
760 * lcore 1 runs on cpuset 0x2 (cpu 1)
761 * lcore 2 runs on cpuset 0xe0 (cpu 5,6,7)
762 * lcore 3,4,5 runs on cpuset 0x5 (cpu 0,2)
763 * lcore 6 runs on cpuset 0x41 (cpu 0,6)
764 * lcore 7 runs on cpuset 0x80 (cpu 7)
765 * lcore 8 runs on cpuset 0x100 (cpu 8)
768 eal_parse_lcores(const char *lcores)
770 struct rte_config *cfg = rte_eal_get_configuration();
771 static uint16_t set[RTE_MAX_LCORE];
774 const char *lcore_start = NULL;
775 const char *end = NULL;
784 /* Remove all blank characters ahead and after */
785 while (isblank(*lcores))
790 /* Reset lcore config */
791 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
792 cfg->lcore_role[idx] = ROLE_OFF;
793 lcore_config[idx].core_index = -1;
794 CPU_ZERO(&lcore_config[idx].cpuset);
797 /* Get list of cores */
799 while (isblank(*lcores))
806 /* record lcore_set start point */
807 lcore_start = lcores;
809 /* go across a complete bracket */
810 if (*lcore_start == '(') {
811 lcores += strcspn(lcores, ")");
812 if (*lcores++ == '\0')
816 /* scan the separator '@', ','(next) or '\0'(finish) */
817 lcores += strcspn(lcores, "@,");
819 if (*lcores == '@') {
820 /* explicit assign cpu_set */
821 offset = eal_parse_set(lcores + 1, set, RTE_DIM(set));
825 /* prepare cpu_set and update the end cursor */
826 if (0 > convert_to_cpuset(&cpuset,
829 end = lcores + 1 + offset;
830 } else { /* ',' or '\0' */
831 /* haven't given cpu_set, current loop done */
834 /* go back to check <number>-<number> */
835 offset = strcspn(lcore_start, "(-");
836 if (offset < (end - lcore_start) &&
837 *(lcore_start + offset) != '(')
841 if (*end != ',' && *end != '\0')
844 /* parse lcore_set from start point */
845 if (0 > eal_parse_set(lcore_start, set, RTE_DIM(set)))
848 /* without '@', by default using lcore_set as cpu_set */
849 if (*lcores != '@' &&
850 0 > convert_to_cpuset(&cpuset, set, RTE_DIM(set)))
853 /* start to update lcore_set */
854 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
858 if (cfg->lcore_role[idx] != ROLE_RTE) {
859 lcore_config[idx].core_index = count;
860 cfg->lcore_role[idx] = ROLE_RTE;
866 CPU_SET(idx, &cpuset);
868 rte_memcpy(&lcore_config[idx].cpuset, &cpuset,
869 sizeof(rte_cpuset_t));
873 } while (*end != '\0');
878 cfg->lcore_count = count;
887 eal_parse_syslog(const char *facility, struct internal_config *conf)
890 static const struct {
894 { "auth", LOG_AUTH },
895 { "cron", LOG_CRON },
896 { "daemon", LOG_DAEMON },
898 { "kern", LOG_KERN },
900 { "mail", LOG_MAIL },
901 { "news", LOG_NEWS },
902 { "syslog", LOG_SYSLOG },
903 { "user", LOG_USER },
904 { "uucp", LOG_UUCP },
905 { "local0", LOG_LOCAL0 },
906 { "local1", LOG_LOCAL1 },
907 { "local2", LOG_LOCAL2 },
908 { "local3", LOG_LOCAL3 },
909 { "local4", LOG_LOCAL4 },
910 { "local5", LOG_LOCAL5 },
911 { "local6", LOG_LOCAL6 },
912 { "local7", LOG_LOCAL7 },
916 for (i = 0; map[i].name; i++) {
917 if (!strcmp(facility, map[i].name)) {
918 conf->syslog_facility = map[i].value;
926 eal_parse_log_priority(const char *level)
928 static const char * const levels[] = {
929 [RTE_LOG_EMERG] = "emergency",
930 [RTE_LOG_ALERT] = "alert",
931 [RTE_LOG_CRIT] = "critical",
932 [RTE_LOG_ERR] = "error",
933 [RTE_LOG_WARNING] = "warning",
934 [RTE_LOG_NOTICE] = "notice",
935 [RTE_LOG_INFO] = "info",
936 [RTE_LOG_DEBUG] = "debug",
938 size_t len = strlen(level);
946 /* look for named values, skip 0 which is not a valid level */
947 for (i = 1; i < RTE_DIM(levels); i++) {
948 if (strncmp(levels[i], level, len) == 0)
952 /* not a string, maybe it is numeric */
954 tmp = strtoul(level, &end, 0);
956 /* check for errors */
957 if (errno != 0 || end == NULL || *end != '\0' ||
965 eal_parse_log_level(const char *arg)
967 const char *pattern = NULL;
968 const char *regex = NULL;
976 if ((level = strchr(str, ','))) {
979 } else if ((level = strchr(str, ':'))) {
986 priority = eal_parse_log_priority(level);
988 fprintf(stderr, "invalid log priority: %s\n", level);
993 if (rte_log_set_level_regexp(regex, priority) < 0) {
994 fprintf(stderr, "cannot set log level %s,%d\n",
998 if (rte_log_save_regexp(regex, priority) < 0)
1000 } else if (pattern) {
1001 if (rte_log_set_level_pattern(pattern, priority) < 0) {
1002 fprintf(stderr, "cannot set log level %s:%d\n",
1006 if (rte_log_save_pattern(pattern, priority) < 0)
1009 rte_log_set_global_level(priority);
1020 static enum rte_proc_type_t
1021 eal_parse_proc_type(const char *arg)
1023 if (strncasecmp(arg, "primary", sizeof("primary")) == 0)
1024 return RTE_PROC_PRIMARY;
1025 if (strncasecmp(arg, "secondary", sizeof("secondary")) == 0)
1026 return RTE_PROC_SECONDARY;
1027 if (strncasecmp(arg, "auto", sizeof("auto")) == 0)
1028 return RTE_PROC_AUTO;
1030 return RTE_PROC_INVALID;
1034 eal_parse_common_option(int opt, const char *optarg,
1035 struct internal_config *conf)
1045 if (eal_option_device_add(RTE_DEVTYPE_BLACKLISTED_PCI,
1055 if (eal_option_device_add(RTE_DEVTYPE_WHITELISTED_PCI,
1063 if (eal_parse_coremask(optarg) < 0) {
1064 RTE_LOG(ERR, EAL, "invalid coremask\n");
1069 RTE_LOG(ERR, EAL, "Option -c is ignored, because (%s) is set!\n",
1070 (core_parsed == LCORE_OPT_LST) ? "-l" :
1071 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1076 core_parsed = LCORE_OPT_MSK;
1080 if (eal_parse_corelist(optarg) < 0) {
1081 RTE_LOG(ERR, EAL, "invalid core list\n");
1086 RTE_LOG(ERR, EAL, "Option -l is ignored, because (%s) is set!\n",
1087 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1088 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1093 core_parsed = LCORE_OPT_LST;
1095 /* service coremask */
1097 if (eal_parse_service_coremask(optarg) < 0) {
1098 RTE_LOG(ERR, EAL, "invalid service coremask\n");
1102 /* service corelist */
1104 if (eal_parse_service_corelist(optarg) < 0) {
1105 RTE_LOG(ERR, EAL, "invalid service core list\n");
1109 /* size of memory */
1111 conf->memory = atoi(optarg);
1112 conf->memory *= 1024ULL;
1113 conf->memory *= 1024ULL;
1116 /* force number of channels */
1118 conf->force_nchannel = atoi(optarg);
1119 if (conf->force_nchannel == 0) {
1120 RTE_LOG(ERR, EAL, "invalid channel number\n");
1124 /* force number of ranks */
1126 conf->force_nrank = atoi(optarg);
1127 if (conf->force_nrank == 0 ||
1128 conf->force_nrank > 16) {
1129 RTE_LOG(ERR, EAL, "invalid rank number\n");
1133 /* force loading of external driver */
1135 if (eal_plugin_add(optarg) == -1)
1139 /* since message is explicitly requested by user, we
1140 * write message at highest log level so it can always
1142 * even if info or warning messages are disabled */
1143 RTE_LOG(CRIT, EAL, "RTE Version: '%s'\n", rte_version());
1147 case OPT_HUGE_UNLINK_NUM:
1148 conf->hugepage_unlink = 1;
1151 case OPT_NO_HUGE_NUM:
1152 conf->no_hugetlbfs = 1;
1153 /* no-huge is legacy mem */
1154 conf->legacy_mem = 1;
1157 case OPT_NO_PCI_NUM:
1161 case OPT_NO_HPET_NUM:
1165 case OPT_VMWARE_TSC_MAP_NUM:
1166 conf->vmware_tsc_map = 1;
1169 case OPT_NO_SHCONF_NUM:
1170 conf->no_shconf = 1;
1173 case OPT_PROC_TYPE_NUM:
1174 conf->process_type = eal_parse_proc_type(optarg);
1177 case OPT_MASTER_LCORE_NUM:
1178 if (eal_parse_master_lcore(optarg) < 0) {
1179 RTE_LOG(ERR, EAL, "invalid parameter for --"
1180 OPT_MASTER_LCORE "\n");
1186 if (eal_option_device_add(RTE_DEVTYPE_VIRTUAL,
1192 case OPT_SYSLOG_NUM:
1193 if (eal_parse_syslog(optarg, conf) < 0) {
1194 RTE_LOG(ERR, EAL, "invalid parameters for --"
1200 case OPT_LOG_LEVEL_NUM: {
1201 if (eal_parse_log_level(optarg) < 0) {
1203 "invalid parameters for --"
1204 OPT_LOG_LEVEL "\n");
1209 case OPT_LCORES_NUM:
1210 if (eal_parse_lcores(optarg) < 0) {
1211 RTE_LOG(ERR, EAL, "invalid parameter for --"
1217 RTE_LOG(ERR, EAL, "Option --lcore is ignored, because (%s) is set!\n",
1218 (core_parsed == LCORE_OPT_LST) ? "-l" :
1219 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1224 core_parsed = LCORE_OPT_MAP;
1226 case OPT_LEGACY_MEM_NUM:
1227 conf->legacy_mem = 1;
1229 case OPT_SINGLE_FILE_SEGMENTS_NUM:
1230 conf->single_file_segments = 1;
1233 /* don't know what to do, leave this to caller */
1241 RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) "
1242 "cannot be used at the same time\n");
1247 eal_auto_detect_cores(struct rte_config *cfg)
1249 unsigned int lcore_id;
1250 unsigned int removed = 0;
1251 rte_cpuset_t affinity_set;
1252 pthread_t tid = pthread_self();
1254 if (pthread_getaffinity_np(tid, sizeof(rte_cpuset_t),
1256 CPU_ZERO(&affinity_set);
1258 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1259 if (cfg->lcore_role[lcore_id] == ROLE_RTE &&
1260 !CPU_ISSET(lcore_id, &affinity_set)) {
1261 cfg->lcore_role[lcore_id] = ROLE_OFF;
1266 cfg->lcore_count -= removed;
1270 eal_adjust_config(struct internal_config *internal_cfg)
1273 struct rte_config *cfg = rte_eal_get_configuration();
1276 eal_auto_detect_cores(cfg);
1278 if (internal_config.process_type == RTE_PROC_AUTO)
1279 internal_config.process_type = eal_proc_type_detect();
1281 /* default master lcore is the first one */
1282 if (!master_lcore_parsed) {
1283 cfg->master_lcore = rte_get_next_lcore(-1, 0, 0);
1284 lcore_config[cfg->master_lcore].core_role = ROLE_RTE;
1287 /* if no memory amounts were requested, this will result in 0 and
1288 * will be overridden later, right after eal_hugepage_info_init() */
1289 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
1290 internal_cfg->memory += internal_cfg->socket_mem[i];
1296 eal_check_common_options(struct internal_config *internal_cfg)
1298 struct rte_config *cfg = rte_eal_get_configuration();
1300 if (cfg->lcore_role[cfg->master_lcore] != ROLE_RTE) {
1301 RTE_LOG(ERR, EAL, "Master lcore is not enabled for DPDK\n");
1305 if (internal_cfg->process_type == RTE_PROC_INVALID) {
1306 RTE_LOG(ERR, EAL, "Invalid process type specified\n");
1309 if (index(internal_cfg->hugefile_prefix, '%') != NULL) {
1310 RTE_LOG(ERR, EAL, "Invalid char, '%%', in --"OPT_FILE_PREFIX" "
1314 if (mem_parsed && internal_cfg->force_sockets == 1) {
1315 RTE_LOG(ERR, EAL, "Options -m and --"OPT_SOCKET_MEM" cannot "
1316 "be specified at the same time\n");
1319 if (internal_cfg->no_hugetlbfs && internal_cfg->force_sockets == 1) {
1320 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_MEM" cannot "
1321 "be specified together with --"OPT_NO_HUGE"\n");
1325 if (internal_cfg->no_hugetlbfs && internal_cfg->hugepage_unlink) {
1326 RTE_LOG(ERR, EAL, "Option --"OPT_HUGE_UNLINK" cannot "
1327 "be specified together with --"OPT_NO_HUGE"\n");
1330 if (internal_config.force_socket_limits && internal_config.legacy_mem) {
1331 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_LIMIT
1332 " is only supported in non-legacy memory mode\n");
1335 if (internal_cfg->single_file_segments &&
1336 internal_cfg->hugepage_unlink) {
1337 RTE_LOG(ERR, EAL, "Option --"OPT_SINGLE_FILE_SEGMENTS" is "
1338 "not compatible with --"OPT_HUGE_UNLINK"\n");
1346 eal_common_usage(void)
1348 printf("[options]\n\n"
1349 "EAL common options:\n"
1350 " -c COREMASK Hexadecimal bitmask of cores to run on\n"
1351 " -l CORELIST List of cores to run on\n"
1352 " The argument format is <c1>[-c2][,c3[-c4],...]\n"
1353 " where c1, c2, etc are core indexes between 0 and %d\n"
1354 " --"OPT_LCORES" COREMAP Map lcore set to physical cpu set\n"
1355 " The argument format is\n"
1356 " '<lcores[@cpus]>[<,lcores[@cpus]>...]'\n"
1357 " lcores and cpus list are grouped by '(' and ')'\n"
1358 " Within the group, '-' is used for range separator,\n"
1359 " ',' is used for single number separator.\n"
1360 " '( )' can be omitted for single element group,\n"
1361 " '@' can be omitted if cpus and lcores have the same value\n"
1362 " -s SERVICE COREMASK Hexadecimal bitmask of cores to be used as service cores\n"
1363 " --"OPT_MASTER_LCORE" ID Core ID that is used as master\n"
1364 " --"OPT_MBUF_POOL_OPS_NAME" Pool ops name for mbuf to use\n"
1365 " -n CHANNELS Number of memory channels\n"
1366 " -m MB Memory to allocate (see also --"OPT_SOCKET_MEM")\n"
1367 " -r RANKS Force number of memory ranks (don't detect)\n"
1368 " -b, --"OPT_PCI_BLACKLIST" Add a PCI device in black list.\n"
1369 " Prevent EAL from using this PCI device. The argument\n"
1370 " format is <domain:bus:devid.func>.\n"
1371 " -w, --"OPT_PCI_WHITELIST" Add a PCI device in white list.\n"
1372 " Only use the specified PCI devices. The argument format\n"
1373 " is <[domain:]bus:devid.func>. This option can be present\n"
1374 " several times (once per device).\n"
1375 " [NOTE: PCI whitelist cannot be used with -b option]\n"
1376 " --"OPT_VDEV" Add a virtual device.\n"
1377 " The argument format is <driver><id>[,key=val,...]\n"
1378 " (ex: --vdev=net_pcap0,iface=eth2).\n"
1379 " -d LIB.so|DIR Add a driver or driver directory\n"
1380 " (can be used multiple times)\n"
1381 " --"OPT_VMWARE_TSC_MAP" Use VMware TSC map instead of native RDTSC\n"
1382 " --"OPT_PROC_TYPE" Type of this process (primary|secondary|auto)\n"
1383 " --"OPT_SYSLOG" Set syslog facility\n"
1384 " --"OPT_LOG_LEVEL"=<int> Set global log level\n"
1385 " --"OPT_LOG_LEVEL"=<type-match>:<int>\n"
1386 " Set specific log level\n"
1387 " -v Display version information on startup\n"
1388 " -h, --help This help\n"
1389 "\nEAL options for DEBUG use only:\n"
1390 " --"OPT_HUGE_UNLINK" Unlink hugepage files after init\n"
1391 " --"OPT_NO_HUGE" Use malloc instead of hugetlbfs\n"
1392 " --"OPT_NO_PCI" Disable PCI\n"
1393 " --"OPT_NO_HPET" Disable HPET\n"
1394 " --"OPT_NO_SHCONF" No shared config (mmap'd files)\n"
1395 "\n", RTE_MAX_LCORE);