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_IOVA_MODE, 1, NULL, OPT_IOVA_MODE_NUM },
62 {OPT_LCORES, 1, NULL, OPT_LCORES_NUM },
63 {OPT_LOG_LEVEL, 1, NULL, OPT_LOG_LEVEL_NUM },
64 {OPT_MASTER_LCORE, 1, NULL, OPT_MASTER_LCORE_NUM },
65 {OPT_MBUF_POOL_OPS_NAME, 1, NULL, OPT_MBUF_POOL_OPS_NAME_NUM},
66 {OPT_NO_HPET, 0, NULL, OPT_NO_HPET_NUM },
67 {OPT_NO_HUGE, 0, NULL, OPT_NO_HUGE_NUM },
68 {OPT_NO_PCI, 0, NULL, OPT_NO_PCI_NUM },
69 {OPT_NO_SHCONF, 0, NULL, OPT_NO_SHCONF_NUM },
70 {OPT_IN_MEMORY, 0, NULL, OPT_IN_MEMORY_NUM },
71 {OPT_PCI_BLACKLIST, 1, NULL, OPT_PCI_BLACKLIST_NUM },
72 {OPT_PCI_WHITELIST, 1, NULL, OPT_PCI_WHITELIST_NUM },
73 {OPT_PROC_TYPE, 1, NULL, OPT_PROC_TYPE_NUM },
74 {OPT_SOCKET_MEM, 1, NULL, OPT_SOCKET_MEM_NUM },
75 {OPT_SOCKET_LIMIT, 1, NULL, OPT_SOCKET_LIMIT_NUM },
76 {OPT_SYSLOG, 1, NULL, OPT_SYSLOG_NUM },
77 {OPT_VDEV, 1, NULL, OPT_VDEV_NUM },
78 {OPT_VFIO_INTR, 1, NULL, OPT_VFIO_INTR_NUM },
79 {OPT_VMWARE_TSC_MAP, 0, NULL, OPT_VMWARE_TSC_MAP_NUM },
80 {OPT_LEGACY_MEM, 0, NULL, OPT_LEGACY_MEM_NUM },
81 {OPT_SINGLE_FILE_SEGMENTS, 0, NULL, OPT_SINGLE_FILE_SEGMENTS_NUM},
85 TAILQ_HEAD(shared_driver_list, shared_driver);
87 /* Definition for shared object drivers. */
88 struct shared_driver {
89 TAILQ_ENTRY(shared_driver) next;
95 /* List of external loadable drivers */
96 static struct shared_driver_list solib_list =
97 TAILQ_HEAD_INITIALIZER(solib_list);
99 /* Default path of external loadable drivers */
100 static const char *default_solib_dir = RTE_EAL_PMD_PATH;
103 * Stringified version of solib path used by dpdk-pmdinfo.py
104 * Note: PLEASE DO NOT ALTER THIS without making a corresponding
105 * change to usertools/dpdk-pmdinfo.py
107 static const char dpdk_solib_path[] __attribute__((used)) =
108 "DPDK_PLUGIN_PATH=" RTE_EAL_PMD_PATH;
110 TAILQ_HEAD(device_option_list, device_option);
112 struct device_option {
113 TAILQ_ENTRY(device_option) next;
115 enum rte_devtype type;
119 static struct device_option_list devopt_list =
120 TAILQ_HEAD_INITIALIZER(devopt_list);
122 static int master_lcore_parsed;
123 static int mem_parsed;
124 static int core_parsed;
127 eal_option_device_add(enum rte_devtype type, const char *optarg)
129 struct device_option *devopt;
133 optlen = strlen(optarg) + 1;
134 devopt = calloc(1, sizeof(*devopt) + optlen);
135 if (devopt == NULL) {
136 RTE_LOG(ERR, EAL, "Unable to allocate device option\n");
141 ret = snprintf(devopt->arg, optlen, "%s", optarg);
143 RTE_LOG(ERR, EAL, "Unable to copy device option\n");
147 TAILQ_INSERT_TAIL(&devopt_list, devopt, next);
152 eal_option_device_parse(void)
154 struct device_option *devopt;
158 TAILQ_FOREACH_SAFE(devopt, &devopt_list, next, tmp) {
160 ret = rte_devargs_add(devopt->type, devopt->arg);
162 RTE_LOG(ERR, EAL, "Unable to parse device '%s'\n",
165 TAILQ_REMOVE(&devopt_list, devopt, next);
172 eal_get_hugefile_prefix(void)
174 if (internal_config.hugefile_prefix != NULL)
175 return internal_config.hugefile_prefix;
176 return HUGEFILE_PREFIX_DEFAULT;
180 eal_reset_internal_config(struct internal_config *internal_cfg)
184 internal_cfg->memory = 0;
185 internal_cfg->force_nrank = 0;
186 internal_cfg->force_nchannel = 0;
187 internal_cfg->hugefile_prefix = NULL;
188 internal_cfg->hugepage_dir = NULL;
189 internal_cfg->force_sockets = 0;
190 /* zero out the NUMA config */
191 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
192 internal_cfg->socket_mem[i] = 0;
193 internal_cfg->force_socket_limits = 0;
194 /* zero out the NUMA limits config */
195 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
196 internal_cfg->socket_limit[i] = 0;
197 /* zero out hugedir descriptors */
198 for (i = 0; i < MAX_HUGEPAGE_SIZES; i++) {
199 memset(&internal_cfg->hugepage_info[i], 0,
200 sizeof(internal_cfg->hugepage_info[0]));
201 internal_cfg->hugepage_info[i].lock_descriptor = -1;
203 internal_cfg->base_virtaddr = 0;
205 internal_cfg->syslog_facility = LOG_DAEMON;
207 /* if set to NONE, interrupt mode is determined automatically */
208 internal_cfg->vfio_intr_mode = RTE_INTR_MODE_NONE;
210 #ifdef RTE_LIBEAL_USE_HPET
211 internal_cfg->no_hpet = 0;
213 internal_cfg->no_hpet = 1;
215 internal_cfg->vmware_tsc_map = 0;
216 internal_cfg->create_uio_dev = 0;
217 internal_cfg->iova_mode = RTE_IOVA_DC;
218 internal_cfg->user_mbuf_pool_ops_name = NULL;
219 internal_cfg->init_complete = 0;
223 eal_plugin_add(const char *path)
225 struct shared_driver *solib;
227 solib = malloc(sizeof(*solib));
229 RTE_LOG(ERR, EAL, "malloc(solib) failed\n");
232 memset(solib, 0, sizeof(*solib));
233 strlcpy(solib->name, path, PATH_MAX-1);
234 solib->name[PATH_MAX-1] = 0;
235 TAILQ_INSERT_TAIL(&solib_list, solib, next);
241 eal_plugindir_init(const char *path)
244 struct dirent *dent = NULL;
245 char sopath[PATH_MAX];
247 if (path == NULL || *path == '\0')
252 RTE_LOG(ERR, EAL, "failed to open directory %s: %s\n",
253 path, strerror(errno));
257 while ((dent = readdir(d)) != NULL) {
260 snprintf(sopath, PATH_MAX-1, "%s/%s", path, dent->d_name);
261 sopath[PATH_MAX-1] = 0;
263 if (!(stat(sopath, &sb) == 0 && S_ISREG(sb.st_mode)))
266 if (eal_plugin_add(sopath) == -1)
271 /* XXX this ignores failures from readdir() itself */
272 return (dent == NULL) ? 0 : -1;
276 eal_plugins_init(void)
278 struct shared_driver *solib = NULL;
281 if (*default_solib_dir != '\0' && stat(default_solib_dir, &sb) == 0 &&
283 eal_plugin_add(default_solib_dir);
285 TAILQ_FOREACH(solib, &solib_list, next) {
287 if (stat(solib->name, &sb) == 0 && S_ISDIR(sb.st_mode)) {
288 if (eal_plugindir_init(solib->name) == -1) {
290 "Cannot init plugin directory %s\n",
295 RTE_LOG(DEBUG, EAL, "open shared lib %s\n",
297 solib->lib_handle = dlopen(solib->name, RTLD_NOW);
298 if (solib->lib_handle == NULL) {
299 RTE_LOG(ERR, EAL, "%s\n", dlerror());
309 * Parse the coremask given as argument (hexadecimal string) and fill
310 * the global configuration (core role and core count) with the parsed
313 static int xdigit2val(unsigned char c)
327 eal_parse_service_coremask(const char *coremask)
329 struct rte_config *cfg = rte_eal_get_configuration();
331 unsigned int count = 0;
334 uint32_t taken_lcore_count = 0;
336 if (coremask == NULL)
338 /* Remove all blank characters ahead and after .
339 * Remove 0x/0X if exists.
341 while (isblank(*coremask))
343 if (coremask[0] == '0' && ((coremask[1] == 'x')
344 || (coremask[1] == 'X')))
346 i = strlen(coremask);
347 while ((i > 0) && isblank(coremask[i - 1]))
353 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
355 if (isxdigit(c) == 0) {
356 /* invalid characters */
360 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE;
362 if ((1 << j) & val) {
363 /* handle master lcore already parsed */
364 uint32_t lcore = idx;
365 if (master_lcore_parsed &&
366 cfg->master_lcore == lcore) {
368 "lcore %u is master lcore, cannot use as service core\n",
373 if (!lcore_config[idx].detected) {
375 "lcore %u unavailable\n", idx);
379 if (cfg->lcore_role[idx] == ROLE_RTE)
382 lcore_config[idx].core_role = ROLE_SERVICE;
389 if (coremask[i] != '0')
392 for (; idx < RTE_MAX_LCORE; idx++)
393 lcore_config[idx].core_index = -1;
398 if (core_parsed && taken_lcore_count != count) {
399 RTE_LOG(WARNING, EAL,
400 "Not all service cores are in the coremask. "
401 "Please ensure -c or -l includes service cores\n");
404 cfg->service_lcore_count = count;
409 eal_service_cores_parsed(void)
412 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
413 if (lcore_config[idx].core_role == ROLE_SERVICE)
420 eal_parse_coremask(const char *coremask)
422 struct rte_config *cfg = rte_eal_get_configuration();
428 if (eal_service_cores_parsed())
429 RTE_LOG(WARNING, EAL,
430 "Service cores parsed before dataplane cores. "
431 "Please ensure -c is before -s or -S\n");
433 if (coremask == NULL)
435 /* Remove all blank characters ahead and after .
436 * Remove 0x/0X if exists.
438 while (isblank(*coremask))
440 if (coremask[0] == '0' && ((coremask[1] == 'x')
441 || (coremask[1] == 'X')))
443 i = strlen(coremask);
444 while ((i > 0) && isblank(coremask[i - 1]))
449 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
451 if (isxdigit(c) == 0) {
452 /* invalid characters */
456 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++)
458 if ((1 << j) & val) {
459 if (!lcore_config[idx].detected) {
460 RTE_LOG(ERR, EAL, "lcore %u "
461 "unavailable\n", idx);
465 cfg->lcore_role[idx] = ROLE_RTE;
466 lcore_config[idx].core_index = count;
469 cfg->lcore_role[idx] = ROLE_OFF;
470 lcore_config[idx].core_index = -1;
475 if (coremask[i] != '0')
477 for (; idx < RTE_MAX_LCORE; idx++) {
478 cfg->lcore_role[idx] = ROLE_OFF;
479 lcore_config[idx].core_index = -1;
483 /* Update the count of enabled logical cores of the EAL configuration */
484 cfg->lcore_count = count;
489 eal_parse_service_corelist(const char *corelist)
491 struct rte_config *cfg = rte_eal_get_configuration();
496 uint32_t taken_lcore_count = 0;
498 if (corelist == NULL)
501 /* Remove all blank characters ahead and after */
502 while (isblank(*corelist))
504 i = strlen(corelist);
505 while ((i > 0) && isblank(corelist[i - 1]))
508 /* Get list of cores */
511 while (isblank(*corelist))
513 if (*corelist == '\0')
516 idx = strtoul(corelist, &end, 10);
517 if (errno || end == NULL)
519 while (isblank(*end))
523 } else if ((*end == ',') || (*end == '\0')) {
525 if (min == RTE_MAX_LCORE)
527 for (idx = min; idx <= max; idx++) {
528 if (cfg->lcore_role[idx] != ROLE_SERVICE) {
529 /* handle master lcore already parsed */
530 uint32_t lcore = idx;
531 if (cfg->master_lcore == lcore &&
532 master_lcore_parsed) {
534 "Error: lcore %u is master lcore, cannot use as service core\n",
538 if (cfg->lcore_role[idx] == ROLE_RTE)
541 lcore_config[idx].core_role =
550 } while (*end != '\0');
555 if (core_parsed && taken_lcore_count != count) {
556 RTE_LOG(WARNING, EAL,
557 "Not all service cores were in the coremask. "
558 "Please ensure -c or -l includes service cores\n");
565 eal_parse_corelist(const char *corelist)
567 struct rte_config *cfg = rte_eal_get_configuration();
573 if (eal_service_cores_parsed())
574 RTE_LOG(WARNING, EAL,
575 "Service cores parsed before dataplane cores. "
576 "Please ensure -l is before -s or -S\n");
578 if (corelist == NULL)
581 /* Remove all blank characters ahead and after */
582 while (isblank(*corelist))
584 i = strlen(corelist);
585 while ((i > 0) && isblank(corelist[i - 1]))
589 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
590 cfg->lcore_role[idx] = ROLE_OFF;
591 lcore_config[idx].core_index = -1;
594 /* Get list of cores */
597 while (isblank(*corelist))
599 if (*corelist == '\0')
602 idx = strtol(corelist, &end, 10);
603 if (idx < 0 || idx >= (int)cfg->lcore_count)
605 if (errno || end == NULL)
607 while (isblank(*end))
611 } else if ((*end == ',') || (*end == '\0')) {
613 if (min == RTE_MAX_LCORE)
615 for (idx = min; idx <= max; idx++) {
616 if (cfg->lcore_role[idx] != ROLE_RTE) {
617 cfg->lcore_role[idx] = ROLE_RTE;
618 lcore_config[idx].core_index = count;
626 } while (*end != '\0');
631 /* Update the count of enabled logical cores of the EAL configuration */
632 cfg->lcore_count = count;
637 /* Changes the lcore id of the master thread */
639 eal_parse_master_lcore(const char *arg)
642 struct rte_config *cfg = rte_eal_get_configuration();
645 cfg->master_lcore = (uint32_t) strtol(arg, &parsing_end, 0);
646 if (errno || parsing_end[0] != 0)
648 if (cfg->master_lcore >= RTE_MAX_LCORE)
650 master_lcore_parsed = 1;
652 /* ensure master core is not used as service core */
653 if (lcore_config[cfg->master_lcore].core_role == ROLE_SERVICE) {
655 "Error: Master lcore is used as a service core\n");
663 * Parse elem, the elem could be single number/range or '(' ')' group
664 * 1) A single number elem, it's just a simple digit. e.g. 9
665 * 2) A single range elem, two digits with a '-' between. e.g. 2-6
666 * 3) A group elem, combines multiple 1) or 2) with '( )'. e.g (0,2-4,6)
667 * Within group elem, '-' used for a range separator;
668 * ',' used for a single number.
671 eal_parse_set(const char *input, uint16_t set[], unsigned num)
674 const char *str = input;
678 memset(set, 0, num * sizeof(uint16_t));
680 while (isblank(*str))
683 /* only digit or left bracket is qualify for start point */
684 if ((!isdigit(*str) && *str != '(') || *str == '\0')
687 /* process single number or single range of number */
690 idx = strtoul(str, &end, 10);
691 if (errno || end == NULL || idx >= num)
694 while (isblank(*end))
700 /* process single <number>-<number> */
702 while (isblank(*end))
708 idx = strtoul(end, &end, 10);
709 if (errno || end == NULL || idx >= num)
712 while (isblank(*end))
714 if (*end != ',' && *end != '\0')
718 if (*end != ',' && *end != '\0' &&
722 for (idx = RTE_MIN(min, max);
723 idx <= RTE_MAX(min, max); idx++)
730 /* process set within bracket */
732 while (isblank(*str))
740 /* go ahead to the first digit */
741 while (isblank(*str))
746 /* get the digit value */
748 idx = strtoul(str, &end, 10);
749 if (errno || end == NULL || idx >= num)
752 /* go ahead to separator '-',',' and ')' */
753 while (isblank(*end))
756 if (min == RTE_MAX_LCORE)
758 else /* avoid continuous '-' */
760 } else if ((*end == ',') || (*end == ')')) {
762 if (min == RTE_MAX_LCORE)
764 for (idx = RTE_MIN(min, max);
765 idx <= RTE_MAX(min, max); idx++)
773 } while (*end != '\0' && *end != ')');
776 * to avoid failure that tail blank makes end character check fail
777 * in eal_parse_lcores( )
779 while (isblank(*str))
785 /* convert from set array to cpuset bitmap */
787 convert_to_cpuset(rte_cpuset_t *cpusetp,
788 uint16_t *set, unsigned num)
794 for (idx = 0; idx < num; idx++) {
798 if (!lcore_config[idx].detected) {
799 RTE_LOG(ERR, EAL, "core %u "
800 "unavailable\n", idx);
804 CPU_SET(idx, cpusetp);
811 * The format pattern: --lcores='<lcores[@cpus]>[<,lcores[@cpus]>...]'
812 * lcores, cpus could be a single digit/range or a group.
813 * '(' and ')' are necessary if it's a group.
814 * If not supply '@cpus', the value of cpus uses the same as lcores.
815 * e.g. '1,2@(5-7),(3-5)@(0,2),(0,6),7-8' means start 9 EAL thread as below
816 * lcore 0 runs on cpuset 0x41 (cpu 0,6)
817 * lcore 1 runs on cpuset 0x2 (cpu 1)
818 * lcore 2 runs on cpuset 0xe0 (cpu 5,6,7)
819 * lcore 3,4,5 runs on cpuset 0x5 (cpu 0,2)
820 * lcore 6 runs on cpuset 0x41 (cpu 0,6)
821 * lcore 7 runs on cpuset 0x80 (cpu 7)
822 * lcore 8 runs on cpuset 0x100 (cpu 8)
825 eal_parse_lcores(const char *lcores)
827 struct rte_config *cfg = rte_eal_get_configuration();
828 static uint16_t set[RTE_MAX_LCORE];
831 const char *lcore_start = NULL;
832 const char *end = NULL;
841 /* Remove all blank characters ahead and after */
842 while (isblank(*lcores))
847 /* Reset lcore config */
848 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
849 cfg->lcore_role[idx] = ROLE_OFF;
850 lcore_config[idx].core_index = -1;
851 CPU_ZERO(&lcore_config[idx].cpuset);
854 /* Get list of cores */
856 while (isblank(*lcores))
863 /* record lcore_set start point */
864 lcore_start = lcores;
866 /* go across a complete bracket */
867 if (*lcore_start == '(') {
868 lcores += strcspn(lcores, ")");
869 if (*lcores++ == '\0')
873 /* scan the separator '@', ','(next) or '\0'(finish) */
874 lcores += strcspn(lcores, "@,");
876 if (*lcores == '@') {
877 /* explicit assign cpu_set */
878 offset = eal_parse_set(lcores + 1, set, RTE_DIM(set));
882 /* prepare cpu_set and update the end cursor */
883 if (0 > convert_to_cpuset(&cpuset,
886 end = lcores + 1 + offset;
887 } else { /* ',' or '\0' */
888 /* haven't given cpu_set, current loop done */
891 /* go back to check <number>-<number> */
892 offset = strcspn(lcore_start, "(-");
893 if (offset < (end - lcore_start) &&
894 *(lcore_start + offset) != '(')
898 if (*end != ',' && *end != '\0')
901 /* parse lcore_set from start point */
902 if (0 > eal_parse_set(lcore_start, set, RTE_DIM(set)))
905 /* without '@', by default using lcore_set as cpu_set */
906 if (*lcores != '@' &&
907 0 > convert_to_cpuset(&cpuset, set, RTE_DIM(set)))
910 /* start to update lcore_set */
911 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
915 if (cfg->lcore_role[idx] != ROLE_RTE) {
916 lcore_config[idx].core_index = count;
917 cfg->lcore_role[idx] = ROLE_RTE;
923 CPU_SET(idx, &cpuset);
925 rte_memcpy(&lcore_config[idx].cpuset, &cpuset,
926 sizeof(rte_cpuset_t));
930 } while (*end != '\0');
935 cfg->lcore_count = count;
944 eal_parse_syslog(const char *facility, struct internal_config *conf)
947 static const struct {
951 { "auth", LOG_AUTH },
952 { "cron", LOG_CRON },
953 { "daemon", LOG_DAEMON },
955 { "kern", LOG_KERN },
957 { "mail", LOG_MAIL },
958 { "news", LOG_NEWS },
959 { "syslog", LOG_SYSLOG },
960 { "user", LOG_USER },
961 { "uucp", LOG_UUCP },
962 { "local0", LOG_LOCAL0 },
963 { "local1", LOG_LOCAL1 },
964 { "local2", LOG_LOCAL2 },
965 { "local3", LOG_LOCAL3 },
966 { "local4", LOG_LOCAL4 },
967 { "local5", LOG_LOCAL5 },
968 { "local6", LOG_LOCAL6 },
969 { "local7", LOG_LOCAL7 },
973 for (i = 0; map[i].name; i++) {
974 if (!strcmp(facility, map[i].name)) {
975 conf->syslog_facility = map[i].value;
983 eal_parse_log_priority(const char *level)
985 static const char * const levels[] = {
986 [RTE_LOG_EMERG] = "emergency",
987 [RTE_LOG_ALERT] = "alert",
988 [RTE_LOG_CRIT] = "critical",
989 [RTE_LOG_ERR] = "error",
990 [RTE_LOG_WARNING] = "warning",
991 [RTE_LOG_NOTICE] = "notice",
992 [RTE_LOG_INFO] = "info",
993 [RTE_LOG_DEBUG] = "debug",
995 size_t len = strlen(level);
1003 /* look for named values, skip 0 which is not a valid level */
1004 for (i = 1; i < RTE_DIM(levels); i++) {
1005 if (strncmp(levels[i], level, len) == 0)
1009 /* not a string, maybe it is numeric */
1011 tmp = strtoul(level, &end, 0);
1013 /* check for errors */
1014 if (errno != 0 || end == NULL || *end != '\0' ||
1022 eal_parse_log_level(const char *arg)
1024 const char *pattern = NULL;
1025 const char *regex = NULL;
1033 if ((level = strchr(str, ','))) {
1036 } else if ((level = strchr(str, ':'))) {
1043 priority = eal_parse_log_priority(level);
1045 fprintf(stderr, "invalid log priority: %s\n", level);
1050 if (rte_log_set_level_regexp(regex, priority) < 0) {
1051 fprintf(stderr, "cannot set log level %s,%d\n",
1055 if (rte_log_save_regexp(regex, priority) < 0)
1057 } else if (pattern) {
1058 if (rte_log_set_level_pattern(pattern, priority) < 0) {
1059 fprintf(stderr, "cannot set log level %s:%d\n",
1063 if (rte_log_save_pattern(pattern, priority) < 0)
1066 rte_log_set_global_level(priority);
1077 static enum rte_proc_type_t
1078 eal_parse_proc_type(const char *arg)
1080 if (strncasecmp(arg, "primary", sizeof("primary")) == 0)
1081 return RTE_PROC_PRIMARY;
1082 if (strncasecmp(arg, "secondary", sizeof("secondary")) == 0)
1083 return RTE_PROC_SECONDARY;
1084 if (strncasecmp(arg, "auto", sizeof("auto")) == 0)
1085 return RTE_PROC_AUTO;
1087 return RTE_PROC_INVALID;
1091 eal_parse_iova_mode(const char *name)
1098 if (!strcmp("pa", name))
1100 else if (!strcmp("va", name))
1105 internal_config.iova_mode = mode;
1110 eal_parse_common_option(int opt, const char *optarg,
1111 struct internal_config *conf)
1115 struct rte_config *cfg = rte_eal_get_configuration();
1122 if (eal_option_device_add(RTE_DEVTYPE_BLACKLISTED_PCI,
1132 if (eal_option_device_add(RTE_DEVTYPE_WHITELISTED_PCI,
1140 if (eal_parse_coremask(optarg) < 0) {
1141 RTE_LOG(ERR, EAL, "invalid coremask\n");
1146 RTE_LOG(ERR, EAL, "Option -c is ignored, because (%s) is set!\n",
1147 (core_parsed == LCORE_OPT_LST) ? "-l" :
1148 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1153 core_parsed = LCORE_OPT_MSK;
1157 if (eal_parse_corelist(optarg) < 0) {
1159 "invalid core list, please check core numbers are in [0, %u] range\n",
1160 cfg->lcore_count-1);
1165 RTE_LOG(ERR, EAL, "Option -l is ignored, because (%s) is set!\n",
1166 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1167 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1172 core_parsed = LCORE_OPT_LST;
1174 /* service coremask */
1176 if (eal_parse_service_coremask(optarg) < 0) {
1177 RTE_LOG(ERR, EAL, "invalid service coremask\n");
1181 /* service corelist */
1183 if (eal_parse_service_corelist(optarg) < 0) {
1184 RTE_LOG(ERR, EAL, "invalid service core list\n");
1188 /* size of memory */
1190 conf->memory = atoi(optarg);
1191 conf->memory *= 1024ULL;
1192 conf->memory *= 1024ULL;
1195 /* force number of channels */
1197 conf->force_nchannel = atoi(optarg);
1198 if (conf->force_nchannel == 0) {
1199 RTE_LOG(ERR, EAL, "invalid channel number\n");
1203 /* force number of ranks */
1205 conf->force_nrank = atoi(optarg);
1206 if (conf->force_nrank == 0 ||
1207 conf->force_nrank > 16) {
1208 RTE_LOG(ERR, EAL, "invalid rank number\n");
1212 /* force loading of external driver */
1214 if (eal_plugin_add(optarg) == -1)
1218 /* since message is explicitly requested by user, we
1219 * write message at highest log level so it can always
1221 * even if info or warning messages are disabled */
1222 RTE_LOG(CRIT, EAL, "RTE Version: '%s'\n", rte_version());
1226 case OPT_HUGE_UNLINK_NUM:
1227 conf->hugepage_unlink = 1;
1230 case OPT_NO_HUGE_NUM:
1231 conf->no_hugetlbfs = 1;
1232 /* no-huge is legacy mem */
1233 conf->legacy_mem = 1;
1236 case OPT_NO_PCI_NUM:
1240 case OPT_NO_HPET_NUM:
1244 case OPT_VMWARE_TSC_MAP_NUM:
1245 conf->vmware_tsc_map = 1;
1248 case OPT_NO_SHCONF_NUM:
1249 conf->no_shconf = 1;
1252 case OPT_IN_MEMORY_NUM:
1253 conf->in_memory = 1;
1254 /* in-memory is a superset of noshconf and huge-unlink */
1255 conf->no_shconf = 1;
1256 conf->hugepage_unlink = 1;
1259 case OPT_PROC_TYPE_NUM:
1260 conf->process_type = eal_parse_proc_type(optarg);
1263 case OPT_MASTER_LCORE_NUM:
1264 if (eal_parse_master_lcore(optarg) < 0) {
1265 RTE_LOG(ERR, EAL, "invalid parameter for --"
1266 OPT_MASTER_LCORE "\n");
1272 if (eal_option_device_add(RTE_DEVTYPE_VIRTUAL,
1278 case OPT_SYSLOG_NUM:
1279 if (eal_parse_syslog(optarg, conf) < 0) {
1280 RTE_LOG(ERR, EAL, "invalid parameters for --"
1286 case OPT_LOG_LEVEL_NUM: {
1287 if (eal_parse_log_level(optarg) < 0) {
1289 "invalid parameters for --"
1290 OPT_LOG_LEVEL "\n");
1295 case OPT_LCORES_NUM:
1296 if (eal_parse_lcores(optarg) < 0) {
1297 RTE_LOG(ERR, EAL, "invalid parameter for --"
1303 RTE_LOG(ERR, EAL, "Option --lcore is ignored, because (%s) is set!\n",
1304 (core_parsed == LCORE_OPT_LST) ? "-l" :
1305 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1310 core_parsed = LCORE_OPT_MAP;
1312 case OPT_LEGACY_MEM_NUM:
1313 conf->legacy_mem = 1;
1315 case OPT_SINGLE_FILE_SEGMENTS_NUM:
1316 conf->single_file_segments = 1;
1318 case OPT_IOVA_MODE_NUM:
1319 if (eal_parse_iova_mode(optarg) < 0) {
1320 RTE_LOG(ERR, EAL, "invalid parameters for --"
1321 OPT_IOVA_MODE "\n");
1326 /* don't know what to do, leave this to caller */
1334 RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) "
1335 "cannot be used at the same time\n");
1340 eal_auto_detect_cores(struct rte_config *cfg)
1342 unsigned int lcore_id;
1343 unsigned int removed = 0;
1344 rte_cpuset_t affinity_set;
1345 pthread_t tid = pthread_self();
1347 if (pthread_getaffinity_np(tid, sizeof(rte_cpuset_t),
1349 CPU_ZERO(&affinity_set);
1351 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1352 if (cfg->lcore_role[lcore_id] == ROLE_RTE &&
1353 !CPU_ISSET(lcore_id, &affinity_set)) {
1354 cfg->lcore_role[lcore_id] = ROLE_OFF;
1359 cfg->lcore_count -= removed;
1363 eal_cleanup_config(struct internal_config *internal_cfg)
1365 if (internal_cfg->hugefile_prefix != NULL)
1366 free(internal_cfg->hugefile_prefix);
1367 if (internal_cfg->hugepage_dir != NULL)
1368 free(internal_cfg->hugepage_dir);
1369 if (internal_cfg->user_mbuf_pool_ops_name != NULL)
1370 free(internal_cfg->user_mbuf_pool_ops_name);
1376 eal_adjust_config(struct internal_config *internal_cfg)
1379 struct rte_config *cfg = rte_eal_get_configuration();
1382 eal_auto_detect_cores(cfg);
1384 if (internal_config.process_type == RTE_PROC_AUTO)
1385 internal_config.process_type = eal_proc_type_detect();
1387 /* default master lcore is the first one */
1388 if (!master_lcore_parsed) {
1389 cfg->master_lcore = rte_get_next_lcore(-1, 0, 0);
1390 if (cfg->master_lcore >= RTE_MAX_LCORE)
1392 lcore_config[cfg->master_lcore].core_role = ROLE_RTE;
1395 /* if no memory amounts were requested, this will result in 0 and
1396 * will be overridden later, right after eal_hugepage_info_init() */
1397 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
1398 internal_cfg->memory += internal_cfg->socket_mem[i];
1404 eal_check_common_options(struct internal_config *internal_cfg)
1406 struct rte_config *cfg = rte_eal_get_configuration();
1408 if (cfg->lcore_role[cfg->master_lcore] != ROLE_RTE) {
1409 RTE_LOG(ERR, EAL, "Master lcore is not enabled for DPDK\n");
1413 if (internal_cfg->process_type == RTE_PROC_INVALID) {
1414 RTE_LOG(ERR, EAL, "Invalid process type specified\n");
1417 if (internal_cfg->hugefile_prefix != NULL &&
1418 strlen(internal_cfg->hugefile_prefix) < 1) {
1419 RTE_LOG(ERR, EAL, "Invalid length of --" OPT_FILE_PREFIX " option\n");
1422 if (internal_cfg->hugepage_dir != NULL &&
1423 strlen(internal_cfg->hugepage_dir) < 1) {
1424 RTE_LOG(ERR, EAL, "Invalid length of --" OPT_HUGE_DIR" option\n");
1427 if (internal_cfg->user_mbuf_pool_ops_name != NULL &&
1428 strlen(internal_cfg->user_mbuf_pool_ops_name) < 1) {
1429 RTE_LOG(ERR, EAL, "Invalid length of --" OPT_MBUF_POOL_OPS_NAME" option\n");
1432 if (index(eal_get_hugefile_prefix(), '%') != NULL) {
1433 RTE_LOG(ERR, EAL, "Invalid char, '%%', in --"OPT_FILE_PREFIX" "
1437 if (mem_parsed && internal_cfg->force_sockets == 1) {
1438 RTE_LOG(ERR, EAL, "Options -m and --"OPT_SOCKET_MEM" cannot "
1439 "be specified at the same time\n");
1442 if (internal_cfg->no_hugetlbfs && internal_cfg->force_sockets == 1) {
1443 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_MEM" cannot "
1444 "be specified together with --"OPT_NO_HUGE"\n");
1447 if (internal_cfg->no_hugetlbfs && internal_cfg->hugepage_unlink &&
1448 !internal_cfg->in_memory) {
1449 RTE_LOG(ERR, EAL, "Option --"OPT_HUGE_UNLINK" cannot "
1450 "be specified together with --"OPT_NO_HUGE"\n");
1453 if (internal_config.force_socket_limits && internal_config.legacy_mem) {
1454 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_LIMIT
1455 " is only supported in non-legacy memory mode\n");
1457 if (internal_cfg->single_file_segments &&
1458 internal_cfg->hugepage_unlink &&
1459 !internal_cfg->in_memory) {
1460 RTE_LOG(ERR, EAL, "Option --"OPT_SINGLE_FILE_SEGMENTS" is "
1461 "not compatible with --"OPT_HUGE_UNLINK"\n");
1464 if (internal_cfg->legacy_mem &&
1465 internal_cfg->in_memory) {
1466 RTE_LOG(ERR, EAL, "Option --"OPT_LEGACY_MEM" is not compatible "
1467 "with --"OPT_IN_MEMORY"\n");
1475 eal_common_usage(void)
1477 printf("[options]\n\n"
1478 "EAL common options:\n"
1479 " -c COREMASK Hexadecimal bitmask of cores to run on\n"
1480 " -l CORELIST List of cores to run on\n"
1481 " The argument format is <c1>[-c2][,c3[-c4],...]\n"
1482 " where c1, c2, etc are core indexes between 0 and %d\n"
1483 " --"OPT_LCORES" COREMAP Map lcore set to physical cpu set\n"
1484 " The argument format is\n"
1485 " '<lcores[@cpus]>[<,lcores[@cpus]>...]'\n"
1486 " lcores and cpus list are grouped by '(' and ')'\n"
1487 " Within the group, '-' is used for range separator,\n"
1488 " ',' is used for single number separator.\n"
1489 " '( )' can be omitted for single element group,\n"
1490 " '@' can be omitted if cpus and lcores have the same value\n"
1491 " -s SERVICE COREMASK Hexadecimal bitmask of cores to be used as service cores\n"
1492 " --"OPT_MASTER_LCORE" ID Core ID that is used as master\n"
1493 " --"OPT_MBUF_POOL_OPS_NAME" Pool ops name for mbuf to use\n"
1494 " -n CHANNELS Number of memory channels\n"
1495 " -m MB Memory to allocate (see also --"OPT_SOCKET_MEM")\n"
1496 " -r RANKS Force number of memory ranks (don't detect)\n"
1497 " -b, --"OPT_PCI_BLACKLIST" Add a PCI device in black list.\n"
1498 " Prevent EAL from using this PCI device. The argument\n"
1499 " format is <domain:bus:devid.func>.\n"
1500 " -w, --"OPT_PCI_WHITELIST" Add a PCI device in white list.\n"
1501 " Only use the specified PCI devices. The argument format\n"
1502 " is <[domain:]bus:devid.func>. This option can be present\n"
1503 " several times (once per device).\n"
1504 " [NOTE: PCI whitelist cannot be used with -b option]\n"
1505 " --"OPT_VDEV" Add a virtual device.\n"
1506 " The argument format is <driver><id>[,key=val,...]\n"
1507 " (ex: --vdev=net_pcap0,iface=eth2).\n"
1508 " --"OPT_IOVA_MODE" Set IOVA mode. 'pa' for IOVA_PA\n"
1509 " 'va' for IOVA_VA\n"
1510 " -d LIB.so|DIR Add a driver or driver directory\n"
1511 " (can be used multiple times)\n"
1512 " --"OPT_VMWARE_TSC_MAP" Use VMware TSC map instead of native RDTSC\n"
1513 " --"OPT_PROC_TYPE" Type of this process (primary|secondary|auto)\n"
1514 " --"OPT_SYSLOG" Set syslog facility\n"
1515 " --"OPT_LOG_LEVEL"=<int> Set global log level\n"
1516 " --"OPT_LOG_LEVEL"=<type-match>:<int>\n"
1517 " Set specific log level\n"
1518 " -v Display version information on startup\n"
1519 " -h, --help This help\n"
1520 " --"OPT_IN_MEMORY" Operate entirely in memory. This will\n"
1521 " disable secondary process support\n"
1522 "\nEAL options for DEBUG use only:\n"
1523 " --"OPT_HUGE_UNLINK" Unlink hugepage files after init\n"
1524 " --"OPT_NO_HUGE" Use malloc instead of hugetlbfs\n"
1525 " --"OPT_NO_PCI" Disable PCI\n"
1526 " --"OPT_NO_HPET" Disable HPET\n"
1527 " --"OPT_NO_SHCONF" No shared config (mmap'd files)\n"
1528 "\n", RTE_MAX_LCORE);