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_get_hugefile_prefix(void)
175 if (internal_config.hugefile_prefix != NULL)
176 return internal_config.hugefile_prefix;
177 return HUGEFILE_PREFIX_DEFAULT;
181 eal_reset_internal_config(struct internal_config *internal_cfg)
185 internal_cfg->memory = 0;
186 internal_cfg->force_nrank = 0;
187 internal_cfg->force_nchannel = 0;
188 internal_cfg->hugefile_prefix = NULL;
189 internal_cfg->hugepage_dir = NULL;
190 internal_cfg->force_sockets = 0;
191 /* zero out the NUMA config */
192 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
193 internal_cfg->socket_mem[i] = 0;
194 internal_cfg->force_socket_limits = 0;
195 /* zero out the NUMA limits config */
196 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
197 internal_cfg->socket_limit[i] = 0;
198 /* zero out hugedir descriptors */
199 for (i = 0; i < MAX_HUGEPAGE_SIZES; i++) {
200 memset(&internal_cfg->hugepage_info[i], 0,
201 sizeof(internal_cfg->hugepage_info[0]));
202 internal_cfg->hugepage_info[i].lock_descriptor = -1;
204 internal_cfg->base_virtaddr = 0;
206 internal_cfg->syslog_facility = LOG_DAEMON;
208 /* if set to NONE, interrupt mode is determined automatically */
209 internal_cfg->vfio_intr_mode = RTE_INTR_MODE_NONE;
211 #ifdef RTE_LIBEAL_USE_HPET
212 internal_cfg->no_hpet = 0;
214 internal_cfg->no_hpet = 1;
216 internal_cfg->vmware_tsc_map = 0;
217 internal_cfg->create_uio_dev = 0;
218 internal_cfg->iova_mode = RTE_IOVA_DC;
219 internal_cfg->user_mbuf_pool_ops_name = NULL;
220 internal_cfg->init_complete = 0;
224 eal_plugin_add(const char *path)
226 struct shared_driver *solib;
228 solib = malloc(sizeof(*solib));
230 RTE_LOG(ERR, EAL, "malloc(solib) failed\n");
233 memset(solib, 0, sizeof(*solib));
234 strlcpy(solib->name, path, PATH_MAX-1);
235 solib->name[PATH_MAX-1] = 0;
236 TAILQ_INSERT_TAIL(&solib_list, solib, next);
242 eal_plugindir_init(const char *path)
245 struct dirent *dent = NULL;
246 char sopath[PATH_MAX];
248 if (path == NULL || *path == '\0')
253 RTE_LOG(ERR, EAL, "failed to open directory %s: %s\n",
254 path, strerror(errno));
258 while ((dent = readdir(d)) != NULL) {
261 snprintf(sopath, PATH_MAX-1, "%s/%s", path, dent->d_name);
262 sopath[PATH_MAX-1] = 0;
264 if (!(stat(sopath, &sb) == 0 && S_ISREG(sb.st_mode)))
267 if (eal_plugin_add(sopath) == -1)
272 /* XXX this ignores failures from readdir() itself */
273 return (dent == NULL) ? 0 : -1;
277 eal_plugins_init(void)
279 struct shared_driver *solib = NULL;
282 if (*default_solib_dir != '\0' && stat(default_solib_dir, &sb) == 0 &&
284 eal_plugin_add(default_solib_dir);
286 TAILQ_FOREACH(solib, &solib_list, next) {
288 if (stat(solib->name, &sb) == 0 && S_ISDIR(sb.st_mode)) {
289 if (eal_plugindir_init(solib->name) == -1) {
291 "Cannot init plugin directory %s\n",
296 RTE_LOG(DEBUG, EAL, "open shared lib %s\n",
298 solib->lib_handle = dlopen(solib->name, RTLD_NOW);
299 if (solib->lib_handle == NULL) {
300 RTE_LOG(ERR, EAL, "%s\n", dlerror());
310 * Parse the coremask given as argument (hexadecimal string) and fill
311 * the global configuration (core role and core count) with the parsed
314 static int xdigit2val(unsigned char c)
328 eal_parse_service_coremask(const char *coremask)
330 struct rte_config *cfg = rte_eal_get_configuration();
332 unsigned int count = 0;
335 uint32_t taken_lcore_count = 0;
337 if (coremask == NULL)
339 /* Remove all blank characters ahead and after .
340 * Remove 0x/0X if exists.
342 while (isblank(*coremask))
344 if (coremask[0] == '0' && ((coremask[1] == 'x')
345 || (coremask[1] == 'X')))
347 i = strlen(coremask);
348 while ((i > 0) && isblank(coremask[i - 1]))
354 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
356 if (isxdigit(c) == 0) {
357 /* invalid characters */
361 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE;
363 if ((1 << j) & val) {
364 /* handle master lcore already parsed */
365 uint32_t lcore = idx;
366 if (master_lcore_parsed &&
367 cfg->master_lcore == lcore) {
369 "lcore %u is master lcore, cannot use as service core\n",
374 if (!lcore_config[idx].detected) {
376 "lcore %u unavailable\n", idx);
380 if (cfg->lcore_role[idx] == ROLE_RTE)
383 lcore_config[idx].core_role = ROLE_SERVICE;
390 if (coremask[i] != '0')
393 for (; idx < RTE_MAX_LCORE; idx++)
394 lcore_config[idx].core_index = -1;
399 if (core_parsed && taken_lcore_count != count) {
400 RTE_LOG(WARNING, EAL,
401 "Not all service cores are in the coremask. "
402 "Please ensure -c or -l includes service cores\n");
405 cfg->service_lcore_count = count;
410 eal_service_cores_parsed(void)
413 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
414 if (lcore_config[idx].core_role == ROLE_SERVICE)
421 eal_parse_coremask(const char *coremask)
423 struct rte_config *cfg = rte_eal_get_configuration();
429 if (eal_service_cores_parsed())
430 RTE_LOG(WARNING, EAL,
431 "Service cores parsed before dataplane cores. "
432 "Please ensure -c is before -s or -S\n");
434 if (coremask == NULL)
436 /* Remove all blank characters ahead and after .
437 * Remove 0x/0X if exists.
439 while (isblank(*coremask))
441 if (coremask[0] == '0' && ((coremask[1] == 'x')
442 || (coremask[1] == 'X')))
444 i = strlen(coremask);
445 while ((i > 0) && isblank(coremask[i - 1]))
450 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
452 if (isxdigit(c) == 0) {
453 /* invalid characters */
457 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++)
459 if ((1 << j) & val) {
460 if (!lcore_config[idx].detected) {
461 RTE_LOG(ERR, EAL, "lcore %u "
462 "unavailable\n", idx);
466 cfg->lcore_role[idx] = ROLE_RTE;
467 lcore_config[idx].core_index = count;
470 cfg->lcore_role[idx] = ROLE_OFF;
471 lcore_config[idx].core_index = -1;
476 if (coremask[i] != '0')
478 for (; idx < RTE_MAX_LCORE; idx++) {
479 cfg->lcore_role[idx] = ROLE_OFF;
480 lcore_config[idx].core_index = -1;
484 /* Update the count of enabled logical cores of the EAL configuration */
485 cfg->lcore_count = count;
490 eal_parse_service_corelist(const char *corelist)
492 struct rte_config *cfg = rte_eal_get_configuration();
497 uint32_t taken_lcore_count = 0;
499 if (corelist == NULL)
502 /* Remove all blank characters ahead and after */
503 while (isblank(*corelist))
505 i = strlen(corelist);
506 while ((i > 0) && isblank(corelist[i - 1]))
509 /* Get list of cores */
512 while (isblank(*corelist))
514 if (*corelist == '\0')
517 idx = strtoul(corelist, &end, 10);
518 if (errno || end == NULL)
520 while (isblank(*end))
524 } else if ((*end == ',') || (*end == '\0')) {
526 if (min == RTE_MAX_LCORE)
528 for (idx = min; idx <= max; idx++) {
529 if (cfg->lcore_role[idx] != ROLE_SERVICE) {
530 /* handle master lcore already parsed */
531 uint32_t lcore = idx;
532 if (cfg->master_lcore == lcore &&
533 master_lcore_parsed) {
535 "Error: lcore %u is master lcore, cannot use as service core\n",
539 if (cfg->lcore_role[idx] == ROLE_RTE)
542 lcore_config[idx].core_role =
551 } while (*end != '\0');
556 if (core_parsed && taken_lcore_count != count) {
557 RTE_LOG(WARNING, EAL,
558 "Not all service cores were in the coremask. "
559 "Please ensure -c or -l includes service cores\n");
566 eal_parse_corelist(const char *corelist)
568 struct rte_config *cfg = rte_eal_get_configuration();
574 if (eal_service_cores_parsed())
575 RTE_LOG(WARNING, EAL,
576 "Service cores parsed before dataplane cores. "
577 "Please ensure -l is before -s or -S\n");
579 if (corelist == NULL)
582 /* Remove all blank characters ahead and after */
583 while (isblank(*corelist))
585 i = strlen(corelist);
586 while ((i > 0) && isblank(corelist[i - 1]))
590 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
591 cfg->lcore_role[idx] = ROLE_OFF;
592 lcore_config[idx].core_index = -1;
595 /* Get list of cores */
598 while (isblank(*corelist))
600 if (*corelist == '\0')
603 idx = strtol(corelist, &end, 10);
604 if (idx < 0 || idx >= (int)cfg->lcore_count)
606 if (errno || end == NULL)
608 while (isblank(*end))
612 } else if ((*end == ',') || (*end == '\0')) {
614 if (min == RTE_MAX_LCORE)
616 for (idx = min; idx <= max; idx++) {
617 if (cfg->lcore_role[idx] != ROLE_RTE) {
618 cfg->lcore_role[idx] = ROLE_RTE;
619 lcore_config[idx].core_index = count;
627 } while (*end != '\0');
632 /* Update the count of enabled logical cores of the EAL configuration */
633 cfg->lcore_count = count;
638 /* Changes the lcore id of the master thread */
640 eal_parse_master_lcore(const char *arg)
643 struct rte_config *cfg = rte_eal_get_configuration();
646 cfg->master_lcore = (uint32_t) strtol(arg, &parsing_end, 0);
647 if (errno || parsing_end[0] != 0)
649 if (cfg->master_lcore >= RTE_MAX_LCORE)
651 master_lcore_parsed = 1;
653 /* ensure master core is not used as service core */
654 if (lcore_config[cfg->master_lcore].core_role == ROLE_SERVICE) {
656 "Error: Master lcore is used as a service core\n");
664 * Parse elem, the elem could be single number/range or '(' ')' group
665 * 1) A single number elem, it's just a simple digit. e.g. 9
666 * 2) A single range elem, two digits with a '-' between. e.g. 2-6
667 * 3) A group elem, combines multiple 1) or 2) with '( )'. e.g (0,2-4,6)
668 * Within group elem, '-' used for a range separator;
669 * ',' used for a single number.
672 eal_parse_set(const char *input, uint16_t set[], unsigned num)
675 const char *str = input;
679 memset(set, 0, num * sizeof(uint16_t));
681 while (isblank(*str))
684 /* only digit or left bracket is qualify for start point */
685 if ((!isdigit(*str) && *str != '(') || *str == '\0')
688 /* process single number or single range of number */
691 idx = strtoul(str, &end, 10);
692 if (errno || end == NULL || idx >= num)
695 while (isblank(*end))
701 /* process single <number>-<number> */
703 while (isblank(*end))
709 idx = strtoul(end, &end, 10);
710 if (errno || end == NULL || idx >= num)
713 while (isblank(*end))
715 if (*end != ',' && *end != '\0')
719 if (*end != ',' && *end != '\0' &&
723 for (idx = RTE_MIN(min, max);
724 idx <= RTE_MAX(min, max); idx++)
731 /* process set within bracket */
733 while (isblank(*str))
741 /* go ahead to the first digit */
742 while (isblank(*str))
747 /* get the digit value */
749 idx = strtoul(str, &end, 10);
750 if (errno || end == NULL || idx >= num)
753 /* go ahead to separator '-',',' and ')' */
754 while (isblank(*end))
757 if (min == RTE_MAX_LCORE)
759 else /* avoid continuous '-' */
761 } else if ((*end == ',') || (*end == ')')) {
763 if (min == RTE_MAX_LCORE)
765 for (idx = RTE_MIN(min, max);
766 idx <= RTE_MAX(min, max); idx++)
774 } while (*end != '\0' && *end != ')');
777 * to avoid failure that tail blank makes end character check fail
778 * in eal_parse_lcores( )
780 while (isblank(*str))
786 /* convert from set array to cpuset bitmap */
788 convert_to_cpuset(rte_cpuset_t *cpusetp,
789 uint16_t *set, unsigned num)
795 for (idx = 0; idx < num; idx++) {
799 if (!lcore_config[idx].detected) {
800 RTE_LOG(ERR, EAL, "core %u "
801 "unavailable\n", idx);
805 CPU_SET(idx, cpusetp);
812 * The format pattern: --lcores='<lcores[@cpus]>[<,lcores[@cpus]>...]'
813 * lcores, cpus could be a single digit/range or a group.
814 * '(' and ')' are necessary if it's a group.
815 * If not supply '@cpus', the value of cpus uses the same as lcores.
816 * e.g. '1,2@(5-7),(3-5)@(0,2),(0,6),7-8' means start 9 EAL thread as below
817 * lcore 0 runs on cpuset 0x41 (cpu 0,6)
818 * lcore 1 runs on cpuset 0x2 (cpu 1)
819 * lcore 2 runs on cpuset 0xe0 (cpu 5,6,7)
820 * lcore 3,4,5 runs on cpuset 0x5 (cpu 0,2)
821 * lcore 6 runs on cpuset 0x41 (cpu 0,6)
822 * lcore 7 runs on cpuset 0x80 (cpu 7)
823 * lcore 8 runs on cpuset 0x100 (cpu 8)
826 eal_parse_lcores(const char *lcores)
828 struct rte_config *cfg = rte_eal_get_configuration();
829 static uint16_t set[RTE_MAX_LCORE];
832 const char *lcore_start = NULL;
833 const char *end = NULL;
842 /* Remove all blank characters ahead and after */
843 while (isblank(*lcores))
848 /* Reset lcore config */
849 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
850 cfg->lcore_role[idx] = ROLE_OFF;
851 lcore_config[idx].core_index = -1;
852 CPU_ZERO(&lcore_config[idx].cpuset);
855 /* Get list of cores */
857 while (isblank(*lcores))
864 /* record lcore_set start point */
865 lcore_start = lcores;
867 /* go across a complete bracket */
868 if (*lcore_start == '(') {
869 lcores += strcspn(lcores, ")");
870 if (*lcores++ == '\0')
874 /* scan the separator '@', ','(next) or '\0'(finish) */
875 lcores += strcspn(lcores, "@,");
877 if (*lcores == '@') {
878 /* explicit assign cpu_set */
879 offset = eal_parse_set(lcores + 1, set, RTE_DIM(set));
883 /* prepare cpu_set and update the end cursor */
884 if (0 > convert_to_cpuset(&cpuset,
887 end = lcores + 1 + offset;
888 } else { /* ',' or '\0' */
889 /* haven't given cpu_set, current loop done */
892 /* go back to check <number>-<number> */
893 offset = strcspn(lcore_start, "(-");
894 if (offset < (end - lcore_start) &&
895 *(lcore_start + offset) != '(')
899 if (*end != ',' && *end != '\0')
902 /* parse lcore_set from start point */
903 if (0 > eal_parse_set(lcore_start, set, RTE_DIM(set)))
906 /* without '@', by default using lcore_set as cpu_set */
907 if (*lcores != '@' &&
908 0 > convert_to_cpuset(&cpuset, set, RTE_DIM(set)))
911 /* start to update lcore_set */
912 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
916 if (cfg->lcore_role[idx] != ROLE_RTE) {
917 lcore_config[idx].core_index = count;
918 cfg->lcore_role[idx] = ROLE_RTE;
924 CPU_SET(idx, &cpuset);
926 rte_memcpy(&lcore_config[idx].cpuset, &cpuset,
927 sizeof(rte_cpuset_t));
931 } while (*end != '\0');
936 cfg->lcore_count = count;
945 eal_parse_syslog(const char *facility, struct internal_config *conf)
948 static const struct {
952 { "auth", LOG_AUTH },
953 { "cron", LOG_CRON },
954 { "daemon", LOG_DAEMON },
956 { "kern", LOG_KERN },
958 { "mail", LOG_MAIL },
959 { "news", LOG_NEWS },
960 { "syslog", LOG_SYSLOG },
961 { "user", LOG_USER },
962 { "uucp", LOG_UUCP },
963 { "local0", LOG_LOCAL0 },
964 { "local1", LOG_LOCAL1 },
965 { "local2", LOG_LOCAL2 },
966 { "local3", LOG_LOCAL3 },
967 { "local4", LOG_LOCAL4 },
968 { "local5", LOG_LOCAL5 },
969 { "local6", LOG_LOCAL6 },
970 { "local7", LOG_LOCAL7 },
974 for (i = 0; map[i].name; i++) {
975 if (!strcmp(facility, map[i].name)) {
976 conf->syslog_facility = map[i].value;
984 eal_parse_log_priority(const char *level)
986 static const char * const levels[] = {
987 [RTE_LOG_EMERG] = "emergency",
988 [RTE_LOG_ALERT] = "alert",
989 [RTE_LOG_CRIT] = "critical",
990 [RTE_LOG_ERR] = "error",
991 [RTE_LOG_WARNING] = "warning",
992 [RTE_LOG_NOTICE] = "notice",
993 [RTE_LOG_INFO] = "info",
994 [RTE_LOG_DEBUG] = "debug",
996 size_t len = strlen(level);
1004 /* look for named values, skip 0 which is not a valid level */
1005 for (i = 1; i < RTE_DIM(levels); i++) {
1006 if (strncmp(levels[i], level, len) == 0)
1010 /* not a string, maybe it is numeric */
1012 tmp = strtoul(level, &end, 0);
1014 /* check for errors */
1015 if (errno != 0 || end == NULL || *end != '\0' ||
1023 eal_parse_log_level(const char *arg)
1025 const char *pattern = NULL;
1026 const char *regex = NULL;
1034 if ((level = strchr(str, ','))) {
1037 } else if ((level = strchr(str, ':'))) {
1044 priority = eal_parse_log_priority(level);
1046 fprintf(stderr, "invalid log priority: %s\n", level);
1051 if (rte_log_set_level_regexp(regex, priority) < 0) {
1052 fprintf(stderr, "cannot set log level %s,%d\n",
1056 if (rte_log_save_regexp(regex, priority) < 0)
1058 } else if (pattern) {
1059 if (rte_log_set_level_pattern(pattern, priority) < 0) {
1060 fprintf(stderr, "cannot set log level %s:%d\n",
1064 if (rte_log_save_pattern(pattern, priority) < 0)
1067 rte_log_set_global_level(priority);
1078 static enum rte_proc_type_t
1079 eal_parse_proc_type(const char *arg)
1081 if (strncasecmp(arg, "primary", sizeof("primary")) == 0)
1082 return RTE_PROC_PRIMARY;
1083 if (strncasecmp(arg, "secondary", sizeof("secondary")) == 0)
1084 return RTE_PROC_SECONDARY;
1085 if (strncasecmp(arg, "auto", sizeof("auto")) == 0)
1086 return RTE_PROC_AUTO;
1088 return RTE_PROC_INVALID;
1092 eal_parse_iova_mode(const char *name)
1099 if (!strcmp("pa", name))
1101 else if (!strcmp("va", name))
1106 internal_config.iova_mode = mode;
1111 eal_parse_common_option(int opt, const char *optarg,
1112 struct internal_config *conf)
1116 struct rte_config *cfg = rte_eal_get_configuration();
1123 if (eal_option_device_add(RTE_DEVTYPE_BLACKLISTED_PCI,
1133 if (eal_option_device_add(RTE_DEVTYPE_WHITELISTED_PCI,
1141 if (eal_parse_coremask(optarg) < 0) {
1142 RTE_LOG(ERR, EAL, "invalid coremask\n");
1147 RTE_LOG(ERR, EAL, "Option -c is ignored, because (%s) is set!\n",
1148 (core_parsed == LCORE_OPT_LST) ? "-l" :
1149 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1154 core_parsed = LCORE_OPT_MSK;
1158 if (eal_parse_corelist(optarg) < 0) {
1160 "invalid core list, please check core numbers are in [0, %u] range\n",
1161 cfg->lcore_count-1);
1166 RTE_LOG(ERR, EAL, "Option -l is ignored, because (%s) is set!\n",
1167 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1168 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1173 core_parsed = LCORE_OPT_LST;
1175 /* service coremask */
1177 if (eal_parse_service_coremask(optarg) < 0) {
1178 RTE_LOG(ERR, EAL, "invalid service coremask\n");
1182 /* service corelist */
1184 if (eal_parse_service_corelist(optarg) < 0) {
1185 RTE_LOG(ERR, EAL, "invalid service core list\n");
1189 /* size of memory */
1191 conf->memory = atoi(optarg);
1192 conf->memory *= 1024ULL;
1193 conf->memory *= 1024ULL;
1196 /* force number of channels */
1198 conf->force_nchannel = atoi(optarg);
1199 if (conf->force_nchannel == 0) {
1200 RTE_LOG(ERR, EAL, "invalid channel number\n");
1204 /* force number of ranks */
1206 conf->force_nrank = atoi(optarg);
1207 if (conf->force_nrank == 0 ||
1208 conf->force_nrank > 16) {
1209 RTE_LOG(ERR, EAL, "invalid rank number\n");
1213 /* force loading of external driver */
1215 if (eal_plugin_add(optarg) == -1)
1219 /* since message is explicitly requested by user, we
1220 * write message at highest log level so it can always
1222 * even if info or warning messages are disabled */
1223 RTE_LOG(CRIT, EAL, "RTE Version: '%s'\n", rte_version());
1227 case OPT_HUGE_UNLINK_NUM:
1228 conf->hugepage_unlink = 1;
1231 case OPT_NO_HUGE_NUM:
1232 conf->no_hugetlbfs = 1;
1233 /* no-huge is legacy mem */
1234 conf->legacy_mem = 1;
1237 case OPT_NO_PCI_NUM:
1241 case OPT_NO_HPET_NUM:
1245 case OPT_VMWARE_TSC_MAP_NUM:
1246 conf->vmware_tsc_map = 1;
1249 case OPT_NO_SHCONF_NUM:
1250 conf->no_shconf = 1;
1253 case OPT_IN_MEMORY_NUM:
1254 conf->in_memory = 1;
1255 /* in-memory is a superset of noshconf and huge-unlink */
1256 conf->no_shconf = 1;
1257 conf->hugepage_unlink = 1;
1260 case OPT_PROC_TYPE_NUM:
1261 conf->process_type = eal_parse_proc_type(optarg);
1264 case OPT_MASTER_LCORE_NUM:
1265 if (eal_parse_master_lcore(optarg) < 0) {
1266 RTE_LOG(ERR, EAL, "invalid parameter for --"
1267 OPT_MASTER_LCORE "\n");
1273 if (eal_option_device_add(RTE_DEVTYPE_VIRTUAL,
1279 case OPT_SYSLOG_NUM:
1280 if (eal_parse_syslog(optarg, conf) < 0) {
1281 RTE_LOG(ERR, EAL, "invalid parameters for --"
1287 case OPT_LOG_LEVEL_NUM: {
1288 if (eal_parse_log_level(optarg) < 0) {
1290 "invalid parameters for --"
1291 OPT_LOG_LEVEL "\n");
1296 case OPT_LCORES_NUM:
1297 if (eal_parse_lcores(optarg) < 0) {
1298 RTE_LOG(ERR, EAL, "invalid parameter for --"
1304 RTE_LOG(ERR, EAL, "Option --lcore is ignored, because (%s) is set!\n",
1305 (core_parsed == LCORE_OPT_LST) ? "-l" :
1306 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1311 core_parsed = LCORE_OPT_MAP;
1313 case OPT_LEGACY_MEM_NUM:
1314 conf->legacy_mem = 1;
1316 case OPT_SINGLE_FILE_SEGMENTS_NUM:
1317 conf->single_file_segments = 1;
1319 case OPT_IOVA_MODE_NUM:
1320 if (eal_parse_iova_mode(optarg) < 0) {
1321 RTE_LOG(ERR, EAL, "invalid parameters for --"
1322 OPT_IOVA_MODE "\n");
1327 /* don't know what to do, leave this to caller */
1335 RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) "
1336 "cannot be used at the same time\n");
1341 eal_auto_detect_cores(struct rte_config *cfg)
1343 unsigned int lcore_id;
1344 unsigned int removed = 0;
1345 rte_cpuset_t affinity_set;
1346 pthread_t tid = pthread_self();
1348 if (pthread_getaffinity_np(tid, sizeof(rte_cpuset_t),
1350 CPU_ZERO(&affinity_set);
1352 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1353 if (cfg->lcore_role[lcore_id] == ROLE_RTE &&
1354 !CPU_ISSET(lcore_id, &affinity_set)) {
1355 cfg->lcore_role[lcore_id] = ROLE_OFF;
1360 cfg->lcore_count -= removed;
1364 eal_cleanup_config(struct internal_config *internal_cfg)
1366 if (internal_cfg->hugefile_prefix != NULL)
1367 free(internal_cfg->hugefile_prefix);
1368 if (internal_cfg->hugepage_dir != NULL)
1369 free(internal_cfg->hugepage_dir);
1370 if (internal_cfg->user_mbuf_pool_ops_name != NULL)
1371 free(internal_cfg->user_mbuf_pool_ops_name);
1377 eal_adjust_config(struct internal_config *internal_cfg)
1380 struct rte_config *cfg = rte_eal_get_configuration();
1383 eal_auto_detect_cores(cfg);
1385 if (internal_config.process_type == RTE_PROC_AUTO)
1386 internal_config.process_type = eal_proc_type_detect();
1388 /* default master lcore is the first one */
1389 if (!master_lcore_parsed) {
1390 cfg->master_lcore = rte_get_next_lcore(-1, 0, 0);
1391 if (cfg->master_lcore >= RTE_MAX_LCORE)
1393 lcore_config[cfg->master_lcore].core_role = ROLE_RTE;
1396 /* if no memory amounts were requested, this will result in 0 and
1397 * will be overridden later, right after eal_hugepage_info_init() */
1398 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
1399 internal_cfg->memory += internal_cfg->socket_mem[i];
1405 eal_check_common_options(struct internal_config *internal_cfg)
1407 struct rte_config *cfg = rte_eal_get_configuration();
1409 if (cfg->lcore_role[cfg->master_lcore] != ROLE_RTE) {
1410 RTE_LOG(ERR, EAL, "Master lcore is not enabled for DPDK\n");
1414 if (internal_cfg->process_type == RTE_PROC_INVALID) {
1415 RTE_LOG(ERR, EAL, "Invalid process type specified\n");
1418 if (internal_cfg->hugefile_prefix != NULL &&
1419 strlen(internal_cfg->hugefile_prefix) < 1) {
1420 RTE_LOG(ERR, EAL, "Invalid length of --" OPT_FILE_PREFIX " option\n");
1423 if (internal_cfg->hugepage_dir != NULL &&
1424 strlen(internal_cfg->hugepage_dir) < 1) {
1425 RTE_LOG(ERR, EAL, "Invalid length of --" OPT_HUGE_DIR" option\n");
1428 if (internal_cfg->user_mbuf_pool_ops_name != NULL &&
1429 strlen(internal_cfg->user_mbuf_pool_ops_name) < 1) {
1430 RTE_LOG(ERR, EAL, "Invalid length of --" OPT_MBUF_POOL_OPS_NAME" option\n");
1433 if (index(eal_get_hugefile_prefix(), '%') != NULL) {
1434 RTE_LOG(ERR, EAL, "Invalid char, '%%', in --"OPT_FILE_PREFIX" "
1438 if (mem_parsed && internal_cfg->force_sockets == 1) {
1439 RTE_LOG(ERR, EAL, "Options -m and --"OPT_SOCKET_MEM" cannot "
1440 "be specified at the same time\n");
1443 if (internal_cfg->no_hugetlbfs && internal_cfg->force_sockets == 1) {
1444 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_MEM" cannot "
1445 "be specified together with --"OPT_NO_HUGE"\n");
1448 if (internal_cfg->no_hugetlbfs && internal_cfg->hugepage_unlink &&
1449 !internal_cfg->in_memory) {
1450 RTE_LOG(ERR, EAL, "Option --"OPT_HUGE_UNLINK" cannot "
1451 "be specified together with --"OPT_NO_HUGE"\n");
1454 if (internal_config.force_socket_limits && internal_config.legacy_mem) {
1455 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_LIMIT
1456 " is only supported in non-legacy memory mode\n");
1458 if (internal_cfg->single_file_segments &&
1459 internal_cfg->hugepage_unlink &&
1460 !internal_cfg->in_memory) {
1461 RTE_LOG(ERR, EAL, "Option --"OPT_SINGLE_FILE_SEGMENTS" is "
1462 "not compatible with --"OPT_HUGE_UNLINK"\n");
1465 if (internal_cfg->legacy_mem &&
1466 internal_cfg->in_memory) {
1467 RTE_LOG(ERR, EAL, "Option --"OPT_LEGACY_MEM" is not compatible "
1468 "with --"OPT_IN_MEMORY"\n");
1471 if (internal_cfg->legacy_mem && internal_cfg->match_allocations) {
1472 RTE_LOG(ERR, EAL, "Option --"OPT_LEGACY_MEM" is not compatible "
1473 "with --"OPT_MATCH_ALLOCATIONS"\n");
1476 if (internal_cfg->no_hugetlbfs && internal_cfg->match_allocations) {
1477 RTE_LOG(ERR, EAL, "Option --"OPT_NO_HUGE" is not compatible "
1478 "with --"OPT_MATCH_ALLOCATIONS"\n");
1486 eal_common_usage(void)
1488 printf("[options]\n\n"
1489 "EAL common options:\n"
1490 " -c COREMASK Hexadecimal bitmask of cores to run on\n"
1491 " -l CORELIST List of cores to run on\n"
1492 " The argument format is <c1>[-c2][,c3[-c4],...]\n"
1493 " where c1, c2, etc are core indexes between 0 and %d\n"
1494 " --"OPT_LCORES" COREMAP Map lcore set to physical cpu set\n"
1495 " The argument format is\n"
1496 " '<lcores[@cpus]>[<,lcores[@cpus]>...]'\n"
1497 " lcores and cpus list are grouped by '(' and ')'\n"
1498 " Within the group, '-' is used for range separator,\n"
1499 " ',' is used for single number separator.\n"
1500 " '( )' can be omitted for single element group,\n"
1501 " '@' can be omitted if cpus and lcores have the same value\n"
1502 " -s SERVICE COREMASK Hexadecimal bitmask of cores to be used as service cores\n"
1503 " --"OPT_MASTER_LCORE" ID Core ID that is used as master\n"
1504 " --"OPT_MBUF_POOL_OPS_NAME" Pool ops name for mbuf to use\n"
1505 " -n CHANNELS Number of memory channels\n"
1506 " -m MB Memory to allocate (see also --"OPT_SOCKET_MEM")\n"
1507 " -r RANKS Force number of memory ranks (don't detect)\n"
1508 " -b, --"OPT_PCI_BLACKLIST" Add a PCI device in black list.\n"
1509 " Prevent EAL from using this PCI device. The argument\n"
1510 " format is <domain:bus:devid.func>.\n"
1511 " -w, --"OPT_PCI_WHITELIST" Add a PCI device in white list.\n"
1512 " Only use the specified PCI devices. The argument format\n"
1513 " is <[domain:]bus:devid.func>. This option can be present\n"
1514 " several times (once per device).\n"
1515 " [NOTE: PCI whitelist cannot be used with -b option]\n"
1516 " --"OPT_VDEV" Add a virtual device.\n"
1517 " The argument format is <driver><id>[,key=val,...]\n"
1518 " (ex: --vdev=net_pcap0,iface=eth2).\n"
1519 " --"OPT_IOVA_MODE" Set IOVA mode. 'pa' for IOVA_PA\n"
1520 " 'va' for IOVA_VA\n"
1521 " -d LIB.so|DIR Add a driver or driver directory\n"
1522 " (can be used multiple times)\n"
1523 " --"OPT_VMWARE_TSC_MAP" Use VMware TSC map instead of native RDTSC\n"
1524 " --"OPT_PROC_TYPE" Type of this process (primary|secondary|auto)\n"
1525 " --"OPT_SYSLOG" Set syslog facility\n"
1526 " --"OPT_LOG_LEVEL"=<int> Set global log level\n"
1527 " --"OPT_LOG_LEVEL"=<type-match>:<int>\n"
1528 " Set specific log level\n"
1529 " -v Display version information on startup\n"
1530 " -h, --help This help\n"
1531 " --"OPT_IN_MEMORY" Operate entirely in memory. This will\n"
1532 " disable secondary process support\n"
1533 "\nEAL options for DEBUG use only:\n"
1534 " --"OPT_HUGE_UNLINK" Unlink hugepage files after init\n"
1535 " --"OPT_NO_HUGE" Use malloc instead of hugetlbfs\n"
1536 " --"OPT_NO_PCI" Disable PCI\n"
1537 " --"OPT_NO_HPET" Disable HPET\n"
1538 " --"OPT_NO_SHCONF" No shared config (mmap'd files)\n"
1539 "\n", RTE_MAX_LCORE);