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},
82 {OPT_MATCH_ALLOCATIONS, 0, NULL, OPT_MATCH_ALLOCATIONS_NUM},
86 TAILQ_HEAD(shared_driver_list, shared_driver);
88 /* Definition for shared object drivers. */
89 struct shared_driver {
90 TAILQ_ENTRY(shared_driver) next;
96 /* List of external loadable drivers */
97 static struct shared_driver_list solib_list =
98 TAILQ_HEAD_INITIALIZER(solib_list);
100 /* Default path of external loadable drivers */
101 static const char *default_solib_dir = RTE_EAL_PMD_PATH;
104 * Stringified version of solib path used by dpdk-pmdinfo.py
105 * Note: PLEASE DO NOT ALTER THIS without making a corresponding
106 * change to usertools/dpdk-pmdinfo.py
108 static const char dpdk_solib_path[] __attribute__((used)) =
109 "DPDK_PLUGIN_PATH=" RTE_EAL_PMD_PATH;
111 TAILQ_HEAD(device_option_list, device_option);
113 struct device_option {
114 TAILQ_ENTRY(device_option) next;
116 enum rte_devtype type;
120 static struct device_option_list devopt_list =
121 TAILQ_HEAD_INITIALIZER(devopt_list);
123 static int master_lcore_parsed;
124 static int mem_parsed;
125 static int core_parsed;
128 eal_option_device_add(enum rte_devtype type, const char *optarg)
130 struct device_option *devopt;
134 optlen = strlen(optarg) + 1;
135 devopt = calloc(1, sizeof(*devopt) + optlen);
136 if (devopt == NULL) {
137 RTE_LOG(ERR, EAL, "Unable to allocate device option\n");
142 ret = snprintf(devopt->arg, optlen, "%s", optarg);
144 RTE_LOG(ERR, EAL, "Unable to copy device option\n");
148 TAILQ_INSERT_TAIL(&devopt_list, devopt, next);
153 eal_option_device_parse(void)
155 struct device_option *devopt;
159 TAILQ_FOREACH_SAFE(devopt, &devopt_list, next, tmp) {
161 ret = rte_devargs_add(devopt->type, devopt->arg);
163 RTE_LOG(ERR, EAL, "Unable to parse device '%s'\n",
166 TAILQ_REMOVE(&devopt_list, devopt, next);
173 eal_reset_internal_config(struct internal_config *internal_cfg)
177 internal_cfg->memory = 0;
178 internal_cfg->force_nrank = 0;
179 internal_cfg->force_nchannel = 0;
180 internal_cfg->hugefile_prefix = HUGEFILE_PREFIX_DEFAULT;
181 internal_cfg->hugepage_dir = NULL;
182 internal_cfg->force_sockets = 0;
183 /* zero out the NUMA config */
184 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
185 internal_cfg->socket_mem[i] = 0;
186 internal_cfg->force_socket_limits = 0;
187 /* zero out the NUMA limits config */
188 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
189 internal_cfg->socket_limit[i] = 0;
190 /* zero out hugedir descriptors */
191 for (i = 0; i < MAX_HUGEPAGE_SIZES; i++) {
192 memset(&internal_cfg->hugepage_info[i], 0,
193 sizeof(internal_cfg->hugepage_info[0]));
194 internal_cfg->hugepage_info[i].lock_descriptor = -1;
196 internal_cfg->base_virtaddr = 0;
198 internal_cfg->syslog_facility = LOG_DAEMON;
200 /* if set to NONE, interrupt mode is determined automatically */
201 internal_cfg->vfio_intr_mode = RTE_INTR_MODE_NONE;
203 #ifdef RTE_LIBEAL_USE_HPET
204 internal_cfg->no_hpet = 0;
206 internal_cfg->no_hpet = 1;
208 internal_cfg->vmware_tsc_map = 0;
209 internal_cfg->create_uio_dev = 0;
210 internal_cfg->iova_mode = RTE_IOVA_DC;
211 internal_cfg->user_mbuf_pool_ops_name = NULL;
212 internal_cfg->init_complete = 0;
216 eal_plugin_add(const char *path)
218 struct shared_driver *solib;
220 solib = malloc(sizeof(*solib));
222 RTE_LOG(ERR, EAL, "malloc(solib) failed\n");
225 memset(solib, 0, sizeof(*solib));
226 strlcpy(solib->name, path, PATH_MAX-1);
227 solib->name[PATH_MAX-1] = 0;
228 TAILQ_INSERT_TAIL(&solib_list, solib, next);
234 eal_plugindir_init(const char *path)
237 struct dirent *dent = NULL;
238 char sopath[PATH_MAX];
240 if (path == NULL || *path == '\0')
245 RTE_LOG(ERR, EAL, "failed to open directory %s: %s\n",
246 path, strerror(errno));
250 while ((dent = readdir(d)) != NULL) {
253 snprintf(sopath, PATH_MAX-1, "%s/%s", path, dent->d_name);
254 sopath[PATH_MAX-1] = 0;
256 if (!(stat(sopath, &sb) == 0 && S_ISREG(sb.st_mode)))
259 if (eal_plugin_add(sopath) == -1)
264 /* XXX this ignores failures from readdir() itself */
265 return (dent == NULL) ? 0 : -1;
269 eal_plugins_init(void)
271 struct shared_driver *solib = NULL;
274 if (*default_solib_dir != '\0' && stat(default_solib_dir, &sb) == 0 &&
276 eal_plugin_add(default_solib_dir);
278 TAILQ_FOREACH(solib, &solib_list, next) {
280 if (stat(solib->name, &sb) == 0 && S_ISDIR(sb.st_mode)) {
281 if (eal_plugindir_init(solib->name) == -1) {
283 "Cannot init plugin directory %s\n",
288 RTE_LOG(DEBUG, EAL, "open shared lib %s\n",
290 solib->lib_handle = dlopen(solib->name, RTLD_NOW);
291 if (solib->lib_handle == NULL) {
292 RTE_LOG(ERR, EAL, "%s\n", dlerror());
302 * Parse the coremask given as argument (hexadecimal string) and fill
303 * the global configuration (core role and core count) with the parsed
306 static int xdigit2val(unsigned char c)
320 eal_parse_service_coremask(const char *coremask)
322 struct rte_config *cfg = rte_eal_get_configuration();
324 unsigned int count = 0;
327 uint32_t taken_lcore_count = 0;
329 if (coremask == NULL)
331 /* Remove all blank characters ahead and after .
332 * Remove 0x/0X if exists.
334 while (isblank(*coremask))
336 if (coremask[0] == '0' && ((coremask[1] == 'x')
337 || (coremask[1] == 'X')))
339 i = strlen(coremask);
340 while ((i > 0) && isblank(coremask[i - 1]))
346 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
348 if (isxdigit(c) == 0) {
349 /* invalid characters */
353 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE;
355 if ((1 << j) & val) {
356 /* handle master lcore already parsed */
357 uint32_t lcore = idx;
358 if (master_lcore_parsed &&
359 cfg->master_lcore == lcore) {
361 "lcore %u is master lcore, cannot use as service core\n",
366 if (!lcore_config[idx].detected) {
368 "lcore %u unavailable\n", idx);
372 if (cfg->lcore_role[idx] == ROLE_RTE)
375 lcore_config[idx].core_role = ROLE_SERVICE;
382 if (coremask[i] != '0')
385 for (; idx < RTE_MAX_LCORE; idx++)
386 lcore_config[idx].core_index = -1;
391 if (core_parsed && taken_lcore_count != count) {
392 RTE_LOG(WARNING, EAL,
393 "Not all service cores are in the coremask. "
394 "Please ensure -c or -l includes service cores\n");
397 cfg->service_lcore_count = count;
402 eal_service_cores_parsed(void)
405 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
406 if (lcore_config[idx].core_role == ROLE_SERVICE)
413 eal_parse_coremask(const char *coremask)
415 struct rte_config *cfg = rte_eal_get_configuration();
421 if (eal_service_cores_parsed())
422 RTE_LOG(WARNING, EAL,
423 "Service cores parsed before dataplane cores. "
424 "Please ensure -c is before -s or -S\n");
426 if (coremask == NULL)
428 /* Remove all blank characters ahead and after .
429 * Remove 0x/0X if exists.
431 while (isblank(*coremask))
433 if (coremask[0] == '0' && ((coremask[1] == 'x')
434 || (coremask[1] == 'X')))
436 i = strlen(coremask);
437 while ((i > 0) && isblank(coremask[i - 1]))
442 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
444 if (isxdigit(c) == 0) {
445 /* invalid characters */
449 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++)
451 if ((1 << j) & val) {
452 if (!lcore_config[idx].detected) {
453 RTE_LOG(ERR, EAL, "lcore %u "
454 "unavailable\n", idx);
458 cfg->lcore_role[idx] = ROLE_RTE;
459 lcore_config[idx].core_index = count;
462 cfg->lcore_role[idx] = ROLE_OFF;
463 lcore_config[idx].core_index = -1;
468 if (coremask[i] != '0')
470 for (; idx < RTE_MAX_LCORE; idx++) {
471 cfg->lcore_role[idx] = ROLE_OFF;
472 lcore_config[idx].core_index = -1;
476 /* Update the count of enabled logical cores of the EAL configuration */
477 cfg->lcore_count = count;
482 eal_parse_service_corelist(const char *corelist)
484 struct rte_config *cfg = rte_eal_get_configuration();
489 uint32_t taken_lcore_count = 0;
491 if (corelist == NULL)
494 /* Remove all blank characters ahead and after */
495 while (isblank(*corelist))
497 i = strlen(corelist);
498 while ((i > 0) && isblank(corelist[i - 1]))
501 /* Get list of cores */
504 while (isblank(*corelist))
506 if (*corelist == '\0')
509 idx = strtoul(corelist, &end, 10);
510 if (errno || end == NULL)
512 while (isblank(*end))
516 } else if ((*end == ',') || (*end == '\0')) {
518 if (min == RTE_MAX_LCORE)
520 for (idx = min; idx <= max; idx++) {
521 if (cfg->lcore_role[idx] != ROLE_SERVICE) {
522 /* handle master lcore already parsed */
523 uint32_t lcore = idx;
524 if (cfg->master_lcore == lcore &&
525 master_lcore_parsed) {
527 "Error: lcore %u is master lcore, cannot use as service core\n",
531 if (cfg->lcore_role[idx] == ROLE_RTE)
534 lcore_config[idx].core_role =
543 } while (*end != '\0');
548 if (core_parsed && taken_lcore_count != count) {
549 RTE_LOG(WARNING, EAL,
550 "Not all service cores were in the coremask. "
551 "Please ensure -c or -l includes service cores\n");
558 eal_parse_corelist(const char *corelist)
560 struct rte_config *cfg = rte_eal_get_configuration();
566 if (eal_service_cores_parsed())
567 RTE_LOG(WARNING, EAL,
568 "Service cores parsed before dataplane cores. "
569 "Please ensure -l is before -s or -S\n");
571 if (corelist == NULL)
574 /* Remove all blank characters ahead and after */
575 while (isblank(*corelist))
577 i = strlen(corelist);
578 while ((i > 0) && isblank(corelist[i - 1]))
582 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
583 cfg->lcore_role[idx] = ROLE_OFF;
584 lcore_config[idx].core_index = -1;
587 /* Get list of cores */
590 while (isblank(*corelist))
592 if (*corelist == '\0')
595 idx = strtoul(corelist, &end, 10);
596 if (errno || end == NULL)
598 while (isblank(*end))
602 } else if ((*end == ',') || (*end == '\0')) {
604 if (min == RTE_MAX_LCORE)
606 for (idx = min; idx <= max; idx++) {
607 if (cfg->lcore_role[idx] != ROLE_RTE) {
608 cfg->lcore_role[idx] = ROLE_RTE;
609 lcore_config[idx].core_index = count;
617 } while (*end != '\0');
622 /* Update the count of enabled logical cores of the EAL configuration */
623 cfg->lcore_count = count;
628 /* Changes the lcore id of the master thread */
630 eal_parse_master_lcore(const char *arg)
633 struct rte_config *cfg = rte_eal_get_configuration();
636 cfg->master_lcore = (uint32_t) strtol(arg, &parsing_end, 0);
637 if (errno || parsing_end[0] != 0)
639 if (cfg->master_lcore >= RTE_MAX_LCORE)
641 master_lcore_parsed = 1;
643 /* ensure master core is not used as service core */
644 if (lcore_config[cfg->master_lcore].core_role == ROLE_SERVICE) {
646 "Error: Master lcore is used as a service core\n");
654 * Parse elem, the elem could be single number/range or '(' ')' group
655 * 1) A single number elem, it's just a simple digit. e.g. 9
656 * 2) A single range elem, two digits with a '-' between. e.g. 2-6
657 * 3) A group elem, combines multiple 1) or 2) with '( )'. e.g (0,2-4,6)
658 * Within group elem, '-' used for a range separator;
659 * ',' used for a single number.
662 eal_parse_set(const char *input, uint16_t set[], unsigned num)
665 const char *str = input;
669 memset(set, 0, num * sizeof(uint16_t));
671 while (isblank(*str))
674 /* only digit or left bracket is qualify for start point */
675 if ((!isdigit(*str) && *str != '(') || *str == '\0')
678 /* process single number or single range of number */
681 idx = strtoul(str, &end, 10);
682 if (errno || end == NULL || idx >= num)
685 while (isblank(*end))
691 /* process single <number>-<number> */
693 while (isblank(*end))
699 idx = strtoul(end, &end, 10);
700 if (errno || end == NULL || idx >= num)
703 while (isblank(*end))
705 if (*end != ',' && *end != '\0')
709 if (*end != ',' && *end != '\0' &&
713 for (idx = RTE_MIN(min, max);
714 idx <= RTE_MAX(min, max); idx++)
721 /* process set within bracket */
723 while (isblank(*str))
731 /* go ahead to the first digit */
732 while (isblank(*str))
737 /* get the digit value */
739 idx = strtoul(str, &end, 10);
740 if (errno || end == NULL || idx >= num)
743 /* go ahead to separator '-',',' and ')' */
744 while (isblank(*end))
747 if (min == RTE_MAX_LCORE)
749 else /* avoid continuous '-' */
751 } else if ((*end == ',') || (*end == ')')) {
753 if (min == RTE_MAX_LCORE)
755 for (idx = RTE_MIN(min, max);
756 idx <= RTE_MAX(min, max); idx++)
764 } while (*end != '\0' && *end != ')');
767 * to avoid failure that tail blank makes end character check fail
768 * in eal_parse_lcores( )
770 while (isblank(*str))
776 /* convert from set array to cpuset bitmap */
778 convert_to_cpuset(rte_cpuset_t *cpusetp,
779 uint16_t *set, unsigned num)
785 for (idx = 0; idx < num; idx++) {
789 if (!lcore_config[idx].detected) {
790 RTE_LOG(ERR, EAL, "core %u "
791 "unavailable\n", idx);
795 CPU_SET(idx, cpusetp);
802 * The format pattern: --lcores='<lcores[@cpus]>[<,lcores[@cpus]>...]'
803 * lcores, cpus could be a single digit/range or a group.
804 * '(' and ')' are necessary if it's a group.
805 * If not supply '@cpus', the value of cpus uses the same as lcores.
806 * e.g. '1,2@(5-7),(3-5)@(0,2),(0,6),7-8' means start 9 EAL thread as below
807 * lcore 0 runs on cpuset 0x41 (cpu 0,6)
808 * lcore 1 runs on cpuset 0x2 (cpu 1)
809 * lcore 2 runs on cpuset 0xe0 (cpu 5,6,7)
810 * lcore 3,4,5 runs on cpuset 0x5 (cpu 0,2)
811 * lcore 6 runs on cpuset 0x41 (cpu 0,6)
812 * lcore 7 runs on cpuset 0x80 (cpu 7)
813 * lcore 8 runs on cpuset 0x100 (cpu 8)
816 eal_parse_lcores(const char *lcores)
818 struct rte_config *cfg = rte_eal_get_configuration();
819 static uint16_t set[RTE_MAX_LCORE];
822 const char *lcore_start = NULL;
823 const char *end = NULL;
832 /* Remove all blank characters ahead and after */
833 while (isblank(*lcores))
838 /* Reset lcore config */
839 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
840 cfg->lcore_role[idx] = ROLE_OFF;
841 lcore_config[idx].core_index = -1;
842 CPU_ZERO(&lcore_config[idx].cpuset);
845 /* Get list of cores */
847 while (isblank(*lcores))
854 /* record lcore_set start point */
855 lcore_start = lcores;
857 /* go across a complete bracket */
858 if (*lcore_start == '(') {
859 lcores += strcspn(lcores, ")");
860 if (*lcores++ == '\0')
864 /* scan the separator '@', ','(next) or '\0'(finish) */
865 lcores += strcspn(lcores, "@,");
867 if (*lcores == '@') {
868 /* explicit assign cpu_set */
869 offset = eal_parse_set(lcores + 1, set, RTE_DIM(set));
873 /* prepare cpu_set and update the end cursor */
874 if (0 > convert_to_cpuset(&cpuset,
877 end = lcores + 1 + offset;
878 } else { /* ',' or '\0' */
879 /* haven't given cpu_set, current loop done */
882 /* go back to check <number>-<number> */
883 offset = strcspn(lcore_start, "(-");
884 if (offset < (end - lcore_start) &&
885 *(lcore_start + offset) != '(')
889 if (*end != ',' && *end != '\0')
892 /* parse lcore_set from start point */
893 if (0 > eal_parse_set(lcore_start, set, RTE_DIM(set)))
896 /* without '@', by default using lcore_set as cpu_set */
897 if (*lcores != '@' &&
898 0 > convert_to_cpuset(&cpuset, set, RTE_DIM(set)))
901 /* start to update lcore_set */
902 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
906 if (cfg->lcore_role[idx] != ROLE_RTE) {
907 lcore_config[idx].core_index = count;
908 cfg->lcore_role[idx] = ROLE_RTE;
914 CPU_SET(idx, &cpuset);
916 rte_memcpy(&lcore_config[idx].cpuset, &cpuset,
917 sizeof(rte_cpuset_t));
921 } while (*end != '\0');
926 cfg->lcore_count = count;
935 eal_parse_syslog(const char *facility, struct internal_config *conf)
938 static const struct {
942 { "auth", LOG_AUTH },
943 { "cron", LOG_CRON },
944 { "daemon", LOG_DAEMON },
946 { "kern", LOG_KERN },
948 { "mail", LOG_MAIL },
949 { "news", LOG_NEWS },
950 { "syslog", LOG_SYSLOG },
951 { "user", LOG_USER },
952 { "uucp", LOG_UUCP },
953 { "local0", LOG_LOCAL0 },
954 { "local1", LOG_LOCAL1 },
955 { "local2", LOG_LOCAL2 },
956 { "local3", LOG_LOCAL3 },
957 { "local4", LOG_LOCAL4 },
958 { "local5", LOG_LOCAL5 },
959 { "local6", LOG_LOCAL6 },
960 { "local7", LOG_LOCAL7 },
964 for (i = 0; map[i].name; i++) {
965 if (!strcmp(facility, map[i].name)) {
966 conf->syslog_facility = map[i].value;
974 eal_parse_log_priority(const char *level)
976 static const char * const levels[] = {
977 [RTE_LOG_EMERG] = "emergency",
978 [RTE_LOG_ALERT] = "alert",
979 [RTE_LOG_CRIT] = "critical",
980 [RTE_LOG_ERR] = "error",
981 [RTE_LOG_WARNING] = "warning",
982 [RTE_LOG_NOTICE] = "notice",
983 [RTE_LOG_INFO] = "info",
984 [RTE_LOG_DEBUG] = "debug",
986 size_t len = strlen(level);
994 /* look for named values, skip 0 which is not a valid level */
995 for (i = 1; i < RTE_DIM(levels); i++) {
996 if (strncmp(levels[i], level, len) == 0)
1000 /* not a string, maybe it is numeric */
1002 tmp = strtoul(level, &end, 0);
1004 /* check for errors */
1005 if (errno != 0 || end == NULL || *end != '\0' ||
1013 eal_parse_log_level(const char *arg)
1015 const char *pattern = NULL;
1016 const char *regex = NULL;
1024 if ((level = strchr(str, ','))) {
1027 } else if ((level = strchr(str, ':'))) {
1034 priority = eal_parse_log_priority(level);
1036 fprintf(stderr, "invalid log priority: %s\n", level);
1041 if (rte_log_set_level_regexp(regex, priority) < 0) {
1042 fprintf(stderr, "cannot set log level %s,%d\n",
1046 if (rte_log_save_regexp(regex, priority) < 0)
1048 } else if (pattern) {
1049 if (rte_log_set_level_pattern(pattern, priority) < 0) {
1050 fprintf(stderr, "cannot set log level %s:%d\n",
1054 if (rte_log_save_pattern(pattern, priority) < 0)
1057 rte_log_set_global_level(priority);
1068 static enum rte_proc_type_t
1069 eal_parse_proc_type(const char *arg)
1071 if (strncasecmp(arg, "primary", sizeof("primary")) == 0)
1072 return RTE_PROC_PRIMARY;
1073 if (strncasecmp(arg, "secondary", sizeof("secondary")) == 0)
1074 return RTE_PROC_SECONDARY;
1075 if (strncasecmp(arg, "auto", sizeof("auto")) == 0)
1076 return RTE_PROC_AUTO;
1078 return RTE_PROC_INVALID;
1082 eal_parse_iova_mode(const char *name)
1089 if (!strcmp("pa", name))
1091 else if (!strcmp("va", name))
1096 internal_config.iova_mode = mode;
1101 eal_parse_common_option(int opt, const char *optarg,
1102 struct internal_config *conf)
1112 if (eal_option_device_add(RTE_DEVTYPE_BLACKLISTED_PCI,
1122 if (eal_option_device_add(RTE_DEVTYPE_WHITELISTED_PCI,
1130 if (eal_parse_coremask(optarg) < 0) {
1131 RTE_LOG(ERR, EAL, "invalid coremask\n");
1136 RTE_LOG(ERR, EAL, "Option -c is ignored, because (%s) is set!\n",
1137 (core_parsed == LCORE_OPT_LST) ? "-l" :
1138 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1143 core_parsed = LCORE_OPT_MSK;
1147 if (eal_parse_corelist(optarg) < 0) {
1148 RTE_LOG(ERR, EAL, "invalid core list\n");
1153 RTE_LOG(ERR, EAL, "Option -l is ignored, because (%s) is set!\n",
1154 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1155 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1160 core_parsed = LCORE_OPT_LST;
1162 /* service coremask */
1164 if (eal_parse_service_coremask(optarg) < 0) {
1165 RTE_LOG(ERR, EAL, "invalid service coremask\n");
1169 /* service corelist */
1171 if (eal_parse_service_corelist(optarg) < 0) {
1172 RTE_LOG(ERR, EAL, "invalid service core list\n");
1176 /* size of memory */
1178 conf->memory = atoi(optarg);
1179 conf->memory *= 1024ULL;
1180 conf->memory *= 1024ULL;
1183 /* force number of channels */
1185 conf->force_nchannel = atoi(optarg);
1186 if (conf->force_nchannel == 0) {
1187 RTE_LOG(ERR, EAL, "invalid channel number\n");
1191 /* force number of ranks */
1193 conf->force_nrank = atoi(optarg);
1194 if (conf->force_nrank == 0 ||
1195 conf->force_nrank > 16) {
1196 RTE_LOG(ERR, EAL, "invalid rank number\n");
1200 /* force loading of external driver */
1202 if (eal_plugin_add(optarg) == -1)
1206 /* since message is explicitly requested by user, we
1207 * write message at highest log level so it can always
1209 * even if info or warning messages are disabled */
1210 RTE_LOG(CRIT, EAL, "RTE Version: '%s'\n", rte_version());
1214 case OPT_HUGE_UNLINK_NUM:
1215 conf->hugepage_unlink = 1;
1218 case OPT_NO_HUGE_NUM:
1219 conf->no_hugetlbfs = 1;
1220 /* no-huge is legacy mem */
1221 conf->legacy_mem = 1;
1224 case OPT_NO_PCI_NUM:
1228 case OPT_NO_HPET_NUM:
1232 case OPT_VMWARE_TSC_MAP_NUM:
1233 conf->vmware_tsc_map = 1;
1236 case OPT_NO_SHCONF_NUM:
1237 conf->no_shconf = 1;
1240 case OPT_IN_MEMORY_NUM:
1241 conf->in_memory = 1;
1242 /* in-memory is a superset of noshconf and huge-unlink */
1243 conf->no_shconf = 1;
1244 conf->hugepage_unlink = 1;
1247 case OPT_PROC_TYPE_NUM:
1248 conf->process_type = eal_parse_proc_type(optarg);
1251 case OPT_MASTER_LCORE_NUM:
1252 if (eal_parse_master_lcore(optarg) < 0) {
1253 RTE_LOG(ERR, EAL, "invalid parameter for --"
1254 OPT_MASTER_LCORE "\n");
1260 if (eal_option_device_add(RTE_DEVTYPE_VIRTUAL,
1266 case OPT_SYSLOG_NUM:
1267 if (eal_parse_syslog(optarg, conf) < 0) {
1268 RTE_LOG(ERR, EAL, "invalid parameters for --"
1274 case OPT_LOG_LEVEL_NUM: {
1275 if (eal_parse_log_level(optarg) < 0) {
1277 "invalid parameters for --"
1278 OPT_LOG_LEVEL "\n");
1283 case OPT_LCORES_NUM:
1284 if (eal_parse_lcores(optarg) < 0) {
1285 RTE_LOG(ERR, EAL, "invalid parameter for --"
1291 RTE_LOG(ERR, EAL, "Option --lcore is ignored, because (%s) is set!\n",
1292 (core_parsed == LCORE_OPT_LST) ? "-l" :
1293 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1298 core_parsed = LCORE_OPT_MAP;
1300 case OPT_LEGACY_MEM_NUM:
1301 conf->legacy_mem = 1;
1303 case OPT_SINGLE_FILE_SEGMENTS_NUM:
1304 conf->single_file_segments = 1;
1306 case OPT_IOVA_MODE_NUM:
1307 if (eal_parse_iova_mode(optarg) < 0) {
1308 RTE_LOG(ERR, EAL, "invalid parameters for --"
1309 OPT_IOVA_MODE "\n");
1314 /* don't know what to do, leave this to caller */
1322 RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) "
1323 "cannot be used at the same time\n");
1328 eal_auto_detect_cores(struct rte_config *cfg)
1330 unsigned int lcore_id;
1331 unsigned int removed = 0;
1332 rte_cpuset_t affinity_set;
1333 pthread_t tid = pthread_self();
1335 if (pthread_getaffinity_np(tid, sizeof(rte_cpuset_t),
1337 CPU_ZERO(&affinity_set);
1339 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1340 if (cfg->lcore_role[lcore_id] == ROLE_RTE &&
1341 !CPU_ISSET(lcore_id, &affinity_set)) {
1342 cfg->lcore_role[lcore_id] = ROLE_OFF;
1347 cfg->lcore_count -= removed;
1351 eal_adjust_config(struct internal_config *internal_cfg)
1354 struct rte_config *cfg = rte_eal_get_configuration();
1357 eal_auto_detect_cores(cfg);
1359 if (internal_config.process_type == RTE_PROC_AUTO)
1360 internal_config.process_type = eal_proc_type_detect();
1362 /* default master lcore is the first one */
1363 if (!master_lcore_parsed) {
1364 cfg->master_lcore = rte_get_next_lcore(-1, 0, 0);
1365 lcore_config[cfg->master_lcore].core_role = ROLE_RTE;
1368 /* if no memory amounts were requested, this will result in 0 and
1369 * will be overridden later, right after eal_hugepage_info_init() */
1370 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
1371 internal_cfg->memory += internal_cfg->socket_mem[i];
1377 eal_check_common_options(struct internal_config *internal_cfg)
1379 struct rte_config *cfg = rte_eal_get_configuration();
1381 if (cfg->lcore_role[cfg->master_lcore] != ROLE_RTE) {
1382 RTE_LOG(ERR, EAL, "Master lcore is not enabled for DPDK\n");
1386 if (internal_cfg->process_type == RTE_PROC_INVALID) {
1387 RTE_LOG(ERR, EAL, "Invalid process type specified\n");
1390 if (index(internal_cfg->hugefile_prefix, '%') != NULL) {
1391 RTE_LOG(ERR, EAL, "Invalid char, '%%', in --"OPT_FILE_PREFIX" "
1395 if (mem_parsed && internal_cfg->force_sockets == 1) {
1396 RTE_LOG(ERR, EAL, "Options -m and --"OPT_SOCKET_MEM" cannot "
1397 "be specified at the same time\n");
1400 if (internal_cfg->no_hugetlbfs && internal_cfg->force_sockets == 1) {
1401 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_MEM" cannot "
1402 "be specified together with --"OPT_NO_HUGE"\n");
1405 if (internal_cfg->no_hugetlbfs && internal_cfg->hugepage_unlink &&
1406 !internal_cfg->in_memory) {
1407 RTE_LOG(ERR, EAL, "Option --"OPT_HUGE_UNLINK" cannot "
1408 "be specified together with --"OPT_NO_HUGE"\n");
1411 if (internal_config.force_socket_limits && internal_config.legacy_mem) {
1412 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_LIMIT
1413 " is only supported in non-legacy memory mode\n");
1415 if (internal_cfg->single_file_segments &&
1416 internal_cfg->hugepage_unlink &&
1417 !internal_cfg->in_memory) {
1418 RTE_LOG(ERR, EAL, "Option --"OPT_SINGLE_FILE_SEGMENTS" is "
1419 "not compatible with --"OPT_HUGE_UNLINK"\n");
1422 if (internal_cfg->legacy_mem &&
1423 internal_cfg->in_memory) {
1424 RTE_LOG(ERR, EAL, "Option --"OPT_LEGACY_MEM" is not compatible "
1425 "with --"OPT_IN_MEMORY"\n");
1428 if (internal_cfg->legacy_mem && internal_cfg->match_allocations) {
1429 RTE_LOG(ERR, EAL, "Option --"OPT_LEGACY_MEM" is not compatible "
1430 "with --"OPT_MATCH_ALLOCATIONS"\n");
1433 if (internal_cfg->no_hugetlbfs && internal_cfg->match_allocations) {
1434 RTE_LOG(ERR, EAL, "Option --"OPT_NO_HUGE" is not compatible "
1435 "with --"OPT_MATCH_ALLOCATIONS"\n");
1443 eal_common_usage(void)
1445 printf("[options]\n\n"
1446 "EAL common options:\n"
1447 " -c COREMASK Hexadecimal bitmask of cores to run on\n"
1448 " -l CORELIST List of cores to run on\n"
1449 " The argument format is <c1>[-c2][,c3[-c4],...]\n"
1450 " where c1, c2, etc are core indexes between 0 and %d\n"
1451 " --"OPT_LCORES" COREMAP Map lcore set to physical cpu set\n"
1452 " The argument format is\n"
1453 " '<lcores[@cpus]>[<,lcores[@cpus]>...]'\n"
1454 " lcores and cpus list are grouped by '(' and ')'\n"
1455 " Within the group, '-' is used for range separator,\n"
1456 " ',' is used for single number separator.\n"
1457 " '( )' can be omitted for single element group,\n"
1458 " '@' can be omitted if cpus and lcores have the same value\n"
1459 " -s SERVICE COREMASK Hexadecimal bitmask of cores to be used as service cores\n"
1460 " --"OPT_MASTER_LCORE" ID Core ID that is used as master\n"
1461 " --"OPT_MBUF_POOL_OPS_NAME" Pool ops name for mbuf to use\n"
1462 " -n CHANNELS Number of memory channels\n"
1463 " -m MB Memory to allocate (see also --"OPT_SOCKET_MEM")\n"
1464 " -r RANKS Force number of memory ranks (don't detect)\n"
1465 " -b, --"OPT_PCI_BLACKLIST" Add a PCI device in black list.\n"
1466 " Prevent EAL from using this PCI device. The argument\n"
1467 " format is <domain:bus:devid.func>.\n"
1468 " -w, --"OPT_PCI_WHITELIST" Add a PCI device in white list.\n"
1469 " Only use the specified PCI devices. The argument format\n"
1470 " is <[domain:]bus:devid.func>. This option can be present\n"
1471 " several times (once per device).\n"
1472 " [NOTE: PCI whitelist cannot be used with -b option]\n"
1473 " --"OPT_VDEV" Add a virtual device.\n"
1474 " The argument format is <driver><id>[,key=val,...]\n"
1475 " (ex: --vdev=net_pcap0,iface=eth2).\n"
1476 " --"OPT_IOVA_MODE" Set IOVA mode. 'pa' for IOVA_PA\n"
1477 " 'va' for IOVA_VA\n"
1478 " -d LIB.so|DIR Add a driver or driver directory\n"
1479 " (can be used multiple times)\n"
1480 " --"OPT_VMWARE_TSC_MAP" Use VMware TSC map instead of native RDTSC\n"
1481 " --"OPT_PROC_TYPE" Type of this process (primary|secondary|auto)\n"
1482 " --"OPT_SYSLOG" Set syslog facility\n"
1483 " --"OPT_LOG_LEVEL"=<int> Set global log level\n"
1484 " --"OPT_LOG_LEVEL"=<type-match>:<int>\n"
1485 " Set specific log level\n"
1486 " -v Display version information on startup\n"
1487 " -h, --help This help\n"
1488 " --"OPT_IN_MEMORY" Operate entirely in memory. This will\n"
1489 " disable secondary process support\n"
1490 "\nEAL options for DEBUG use only:\n"
1491 " --"OPT_HUGE_UNLINK" Unlink hugepage files after init\n"
1492 " --"OPT_NO_HUGE" Use malloc instead of hugetlbfs\n"
1493 " --"OPT_NO_PCI" Disable PCI\n"
1494 " --"OPT_NO_HPET" Disable HPET\n"
1495 " --"OPT_NO_SHCONF" No shared config (mmap'd files)\n"
1496 "\n", RTE_MAX_LCORE);