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_IN_MEMORY, 0, NULL, OPT_IN_MEMORY_NUM },
70 {OPT_PCI_BLACKLIST, 1, NULL, OPT_PCI_BLACKLIST_NUM },
71 {OPT_PCI_WHITELIST, 1, NULL, OPT_PCI_WHITELIST_NUM },
72 {OPT_PROC_TYPE, 1, NULL, OPT_PROC_TYPE_NUM },
73 {OPT_SOCKET_MEM, 1, NULL, OPT_SOCKET_MEM_NUM },
74 {OPT_SOCKET_LIMIT, 1, NULL, OPT_SOCKET_LIMIT_NUM },
75 {OPT_SYSLOG, 1, NULL, OPT_SYSLOG_NUM },
76 {OPT_VDEV, 1, NULL, OPT_VDEV_NUM },
77 {OPT_VFIO_INTR, 1, NULL, OPT_VFIO_INTR_NUM },
78 {OPT_VMWARE_TSC_MAP, 0, NULL, OPT_VMWARE_TSC_MAP_NUM },
79 {OPT_LEGACY_MEM, 0, NULL, OPT_LEGACY_MEM_NUM },
80 {OPT_SINGLE_FILE_SEGMENTS, 0, NULL, OPT_SINGLE_FILE_SEGMENTS_NUM},
84 TAILQ_HEAD(shared_driver_list, shared_driver);
86 /* Definition for shared object drivers. */
87 struct shared_driver {
88 TAILQ_ENTRY(shared_driver) next;
94 /* List of external loadable drivers */
95 static struct shared_driver_list solib_list =
96 TAILQ_HEAD_INITIALIZER(solib_list);
98 /* Default path of external loadable drivers */
99 static const char *default_solib_dir = RTE_EAL_PMD_PATH;
102 * Stringified version of solib path used by dpdk-pmdinfo.py
103 * Note: PLEASE DO NOT ALTER THIS without making a corresponding
104 * change to usertools/dpdk-pmdinfo.py
106 static const char dpdk_solib_path[] __attribute__((used)) =
107 "DPDK_PLUGIN_PATH=" RTE_EAL_PMD_PATH;
109 TAILQ_HEAD(device_option_list, device_option);
111 struct device_option {
112 TAILQ_ENTRY(device_option) next;
114 enum rte_devtype type;
118 static struct device_option_list devopt_list =
119 TAILQ_HEAD_INITIALIZER(devopt_list);
121 static int master_lcore_parsed;
122 static int mem_parsed;
123 static int core_parsed;
126 eal_option_device_add(enum rte_devtype type, const char *optarg)
128 struct device_option *devopt;
132 optlen = strlen(optarg) + 1;
133 devopt = calloc(1, sizeof(*devopt) + optlen);
134 if (devopt == NULL) {
135 RTE_LOG(ERR, EAL, "Unable to allocate device option\n");
140 ret = snprintf(devopt->arg, optlen, "%s", optarg);
142 RTE_LOG(ERR, EAL, "Unable to copy device option\n");
146 TAILQ_INSERT_TAIL(&devopt_list, devopt, next);
151 eal_option_device_parse(void)
153 struct device_option *devopt;
157 TAILQ_FOREACH_SAFE(devopt, &devopt_list, next, tmp) {
159 ret = rte_devargs_add(devopt->type, devopt->arg);
161 RTE_LOG(ERR, EAL, "Unable to parse device '%s'\n",
164 TAILQ_REMOVE(&devopt_list, devopt, next);
171 eal_reset_internal_config(struct internal_config *internal_cfg)
175 internal_cfg->memory = 0;
176 internal_cfg->force_nrank = 0;
177 internal_cfg->force_nchannel = 0;
178 internal_cfg->hugefile_prefix = HUGEFILE_PREFIX_DEFAULT;
179 internal_cfg->hugepage_dir = NULL;
180 internal_cfg->force_sockets = 0;
181 /* zero out the NUMA config */
182 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
183 internal_cfg->socket_mem[i] = 0;
184 internal_cfg->force_socket_limits = 0;
185 /* zero out the NUMA limits config */
186 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
187 internal_cfg->socket_limit[i] = 0;
188 /* zero out hugedir descriptors */
189 for (i = 0; i < MAX_HUGEPAGE_SIZES; i++) {
190 memset(&internal_cfg->hugepage_info[i], 0,
191 sizeof(internal_cfg->hugepage_info[0]));
192 internal_cfg->hugepage_info[i].lock_descriptor = -1;
194 internal_cfg->base_virtaddr = 0;
196 internal_cfg->syslog_facility = LOG_DAEMON;
198 /* if set to NONE, interrupt mode is determined automatically */
199 internal_cfg->vfio_intr_mode = RTE_INTR_MODE_NONE;
201 #ifdef RTE_LIBEAL_USE_HPET
202 internal_cfg->no_hpet = 0;
204 internal_cfg->no_hpet = 1;
206 internal_cfg->vmware_tsc_map = 0;
207 internal_cfg->create_uio_dev = 0;
208 internal_cfg->user_mbuf_pool_ops_name = NULL;
209 internal_cfg->init_complete = 0;
213 eal_plugin_add(const char *path)
215 struct shared_driver *solib;
217 solib = malloc(sizeof(*solib));
219 RTE_LOG(ERR, EAL, "malloc(solib) failed\n");
222 memset(solib, 0, sizeof(*solib));
223 strncpy(solib->name, path, PATH_MAX-1);
224 solib->name[PATH_MAX-1] = 0;
225 TAILQ_INSERT_TAIL(&solib_list, solib, next);
231 eal_plugindir_init(const char *path)
234 struct dirent *dent = NULL;
235 char sopath[PATH_MAX];
237 if (path == NULL || *path == '\0')
242 RTE_LOG(ERR, EAL, "failed to open directory %s: %s\n",
243 path, strerror(errno));
247 while ((dent = readdir(d)) != NULL) {
250 snprintf(sopath, PATH_MAX-1, "%s/%s", path, dent->d_name);
251 sopath[PATH_MAX-1] = 0;
253 if (!(stat(sopath, &sb) == 0 && S_ISREG(sb.st_mode)))
256 if (eal_plugin_add(sopath) == -1)
261 /* XXX this ignores failures from readdir() itself */
262 return (dent == NULL) ? 0 : -1;
266 eal_plugins_init(void)
268 struct shared_driver *solib = NULL;
271 if (*default_solib_dir != '\0' && stat(default_solib_dir, &sb) == 0 &&
273 eal_plugin_add(default_solib_dir);
275 TAILQ_FOREACH(solib, &solib_list, next) {
277 if (stat(solib->name, &sb) == 0 && S_ISDIR(sb.st_mode)) {
278 if (eal_plugindir_init(solib->name) == -1) {
280 "Cannot init plugin directory %s\n",
285 RTE_LOG(DEBUG, EAL, "open shared lib %s\n",
287 solib->lib_handle = dlopen(solib->name, RTLD_NOW);
288 if (solib->lib_handle == NULL) {
289 RTE_LOG(ERR, EAL, "%s\n", dlerror());
299 * Parse the coremask given as argument (hexadecimal string) and fill
300 * the global configuration (core role and core count) with the parsed
303 static int xdigit2val(unsigned char c)
317 eal_parse_service_coremask(const char *coremask)
319 struct rte_config *cfg = rte_eal_get_configuration();
321 unsigned int count = 0;
324 uint32_t taken_lcore_count = 0;
326 if (coremask == NULL)
328 /* Remove all blank characters ahead and after .
329 * Remove 0x/0X if exists.
331 while (isblank(*coremask))
333 if (coremask[0] == '0' && ((coremask[1] == 'x')
334 || (coremask[1] == 'X')))
336 i = strlen(coremask);
337 while ((i > 0) && isblank(coremask[i - 1]))
343 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
345 if (isxdigit(c) == 0) {
346 /* invalid characters */
350 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE;
352 if ((1 << j) & val) {
353 /* handle master lcore already parsed */
354 uint32_t lcore = idx;
355 if (master_lcore_parsed &&
356 cfg->master_lcore == lcore) {
358 "lcore %u is master lcore, cannot use as service core\n",
363 if (!lcore_config[idx].detected) {
365 "lcore %u unavailable\n", idx);
369 if (cfg->lcore_role[idx] == ROLE_RTE)
372 lcore_config[idx].core_role = ROLE_SERVICE;
379 if (coremask[i] != '0')
382 for (; idx < RTE_MAX_LCORE; idx++)
383 lcore_config[idx].core_index = -1;
388 if (core_parsed && taken_lcore_count != count) {
389 RTE_LOG(WARNING, EAL,
390 "Not all service cores are in the coremask. "
391 "Please ensure -c or -l includes service cores\n");
394 cfg->service_lcore_count = count;
399 eal_service_cores_parsed(void)
402 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
403 if (lcore_config[idx].core_role == ROLE_SERVICE)
410 eal_parse_coremask(const char *coremask)
412 struct rte_config *cfg = rte_eal_get_configuration();
418 if (eal_service_cores_parsed())
419 RTE_LOG(WARNING, EAL,
420 "Service cores parsed before dataplane cores. "
421 "Please ensure -c is before -s or -S\n");
423 if (coremask == NULL)
425 /* Remove all blank characters ahead and after .
426 * Remove 0x/0X if exists.
428 while (isblank(*coremask))
430 if (coremask[0] == '0' && ((coremask[1] == 'x')
431 || (coremask[1] == 'X')))
433 i = strlen(coremask);
434 while ((i > 0) && isblank(coremask[i - 1]))
439 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
441 if (isxdigit(c) == 0) {
442 /* invalid characters */
446 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++)
448 if ((1 << j) & val) {
449 if (!lcore_config[idx].detected) {
450 RTE_LOG(ERR, EAL, "lcore %u "
451 "unavailable\n", idx);
455 cfg->lcore_role[idx] = ROLE_RTE;
456 lcore_config[idx].core_index = count;
459 cfg->lcore_role[idx] = ROLE_OFF;
460 lcore_config[idx].core_index = -1;
465 if (coremask[i] != '0')
467 for (; idx < RTE_MAX_LCORE; idx++) {
468 cfg->lcore_role[idx] = ROLE_OFF;
469 lcore_config[idx].core_index = -1;
473 /* Update the count of enabled logical cores of the EAL configuration */
474 cfg->lcore_count = count;
479 eal_parse_service_corelist(const char *corelist)
481 struct rte_config *cfg = rte_eal_get_configuration();
486 uint32_t taken_lcore_count = 0;
488 if (corelist == NULL)
491 /* Remove all blank characters ahead and after */
492 while (isblank(*corelist))
494 i = strlen(corelist);
495 while ((i > 0) && isblank(corelist[i - 1]))
498 /* Get list of cores */
501 while (isblank(*corelist))
503 if (*corelist == '\0')
506 idx = strtoul(corelist, &end, 10);
507 if (errno || end == NULL)
509 while (isblank(*end))
513 } else if ((*end == ',') || (*end == '\0')) {
515 if (min == RTE_MAX_LCORE)
517 for (idx = min; idx <= max; idx++) {
518 if (cfg->lcore_role[idx] != ROLE_SERVICE) {
519 /* handle master lcore already parsed */
520 uint32_t lcore = idx;
521 if (cfg->master_lcore == lcore &&
522 master_lcore_parsed) {
524 "Error: lcore %u is master lcore, cannot use as service core\n",
528 if (cfg->lcore_role[idx] == ROLE_RTE)
531 lcore_config[idx].core_role =
540 } while (*end != '\0');
545 if (core_parsed && taken_lcore_count != count) {
546 RTE_LOG(WARNING, EAL,
547 "Not all service cores were in the coremask. "
548 "Please ensure -c or -l includes service cores\n");
555 eal_parse_corelist(const char *corelist)
557 struct rte_config *cfg = rte_eal_get_configuration();
563 if (eal_service_cores_parsed())
564 RTE_LOG(WARNING, EAL,
565 "Service cores parsed before dataplane cores. "
566 "Please ensure -l is before -s or -S\n");
568 if (corelist == NULL)
571 /* Remove all blank characters ahead and after */
572 while (isblank(*corelist))
574 i = strlen(corelist);
575 while ((i > 0) && isblank(corelist[i - 1]))
579 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
580 cfg->lcore_role[idx] = ROLE_OFF;
581 lcore_config[idx].core_index = -1;
584 /* Get list of cores */
587 while (isblank(*corelist))
589 if (*corelist == '\0')
592 idx = strtoul(corelist, &end, 10);
593 if (errno || end == NULL)
595 while (isblank(*end))
599 } else if ((*end == ',') || (*end == '\0')) {
601 if (min == RTE_MAX_LCORE)
603 for (idx = min; idx <= max; idx++) {
604 if (cfg->lcore_role[idx] != ROLE_RTE) {
605 cfg->lcore_role[idx] = ROLE_RTE;
606 lcore_config[idx].core_index = count;
614 } while (*end != '\0');
619 /* Update the count of enabled logical cores of the EAL configuration */
620 cfg->lcore_count = count;
625 /* Changes the lcore id of the master thread */
627 eal_parse_master_lcore(const char *arg)
630 struct rte_config *cfg = rte_eal_get_configuration();
633 cfg->master_lcore = (uint32_t) strtol(arg, &parsing_end, 0);
634 if (errno || parsing_end[0] != 0)
636 if (cfg->master_lcore >= RTE_MAX_LCORE)
638 master_lcore_parsed = 1;
640 /* ensure master core is not used as service core */
641 if (lcore_config[cfg->master_lcore].core_role == ROLE_SERVICE) {
643 "Error: Master lcore is used as a service core\n");
651 * Parse elem, the elem could be single number/range or '(' ')' group
652 * 1) A single number elem, it's just a simple digit. e.g. 9
653 * 2) A single range elem, two digits with a '-' between. e.g. 2-6
654 * 3) A group elem, combines multiple 1) or 2) with '( )'. e.g (0,2-4,6)
655 * Within group elem, '-' used for a range separator;
656 * ',' used for a single number.
659 eal_parse_set(const char *input, uint16_t set[], unsigned num)
662 const char *str = input;
666 memset(set, 0, num * sizeof(uint16_t));
668 while (isblank(*str))
671 /* only digit or left bracket is qualify for start point */
672 if ((!isdigit(*str) && *str != '(') || *str == '\0')
675 /* process single number or single range of number */
678 idx = strtoul(str, &end, 10);
679 if (errno || end == NULL || idx >= num)
682 while (isblank(*end))
688 /* process single <number>-<number> */
690 while (isblank(*end))
696 idx = strtoul(end, &end, 10);
697 if (errno || end == NULL || idx >= num)
700 while (isblank(*end))
702 if (*end != ',' && *end != '\0')
706 if (*end != ',' && *end != '\0' &&
710 for (idx = RTE_MIN(min, max);
711 idx <= RTE_MAX(min, max); idx++)
718 /* process set within bracket */
720 while (isblank(*str))
728 /* go ahead to the first digit */
729 while (isblank(*str))
734 /* get the digit value */
736 idx = strtoul(str, &end, 10);
737 if (errno || end == NULL || idx >= num)
740 /* go ahead to separator '-',',' and ')' */
741 while (isblank(*end))
744 if (min == RTE_MAX_LCORE)
746 else /* avoid continuous '-' */
748 } else if ((*end == ',') || (*end == ')')) {
750 if (min == RTE_MAX_LCORE)
752 for (idx = RTE_MIN(min, max);
753 idx <= RTE_MAX(min, max); idx++)
761 } while (*end != '\0' && *end != ')');
764 * to avoid failure that tail blank makes end character check fail
765 * in eal_parse_lcores( )
767 while (isblank(*str))
773 /* convert from set array to cpuset bitmap */
775 convert_to_cpuset(rte_cpuset_t *cpusetp,
776 uint16_t *set, unsigned num)
782 for (idx = 0; idx < num; idx++) {
786 if (!lcore_config[idx].detected) {
787 RTE_LOG(ERR, EAL, "core %u "
788 "unavailable\n", idx);
792 CPU_SET(idx, cpusetp);
799 * The format pattern: --lcores='<lcores[@cpus]>[<,lcores[@cpus]>...]'
800 * lcores, cpus could be a single digit/range or a group.
801 * '(' and ')' are necessary if it's a group.
802 * If not supply '@cpus', the value of cpus uses the same as lcores.
803 * e.g. '1,2@(5-7),(3-5)@(0,2),(0,6),7-8' means start 9 EAL thread as below
804 * lcore 0 runs on cpuset 0x41 (cpu 0,6)
805 * lcore 1 runs on cpuset 0x2 (cpu 1)
806 * lcore 2 runs on cpuset 0xe0 (cpu 5,6,7)
807 * lcore 3,4,5 runs on cpuset 0x5 (cpu 0,2)
808 * lcore 6 runs on cpuset 0x41 (cpu 0,6)
809 * lcore 7 runs on cpuset 0x80 (cpu 7)
810 * lcore 8 runs on cpuset 0x100 (cpu 8)
813 eal_parse_lcores(const char *lcores)
815 struct rte_config *cfg = rte_eal_get_configuration();
816 static uint16_t set[RTE_MAX_LCORE];
819 const char *lcore_start = NULL;
820 const char *end = NULL;
829 /* Remove all blank characters ahead and after */
830 while (isblank(*lcores))
835 /* Reset lcore config */
836 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
837 cfg->lcore_role[idx] = ROLE_OFF;
838 lcore_config[idx].core_index = -1;
839 CPU_ZERO(&lcore_config[idx].cpuset);
842 /* Get list of cores */
844 while (isblank(*lcores))
851 /* record lcore_set start point */
852 lcore_start = lcores;
854 /* go across a complete bracket */
855 if (*lcore_start == '(') {
856 lcores += strcspn(lcores, ")");
857 if (*lcores++ == '\0')
861 /* scan the separator '@', ','(next) or '\0'(finish) */
862 lcores += strcspn(lcores, "@,");
864 if (*lcores == '@') {
865 /* explicit assign cpu_set */
866 offset = eal_parse_set(lcores + 1, set, RTE_DIM(set));
870 /* prepare cpu_set and update the end cursor */
871 if (0 > convert_to_cpuset(&cpuset,
874 end = lcores + 1 + offset;
875 } else { /* ',' or '\0' */
876 /* haven't given cpu_set, current loop done */
879 /* go back to check <number>-<number> */
880 offset = strcspn(lcore_start, "(-");
881 if (offset < (end - lcore_start) &&
882 *(lcore_start + offset) != '(')
886 if (*end != ',' && *end != '\0')
889 /* parse lcore_set from start point */
890 if (0 > eal_parse_set(lcore_start, set, RTE_DIM(set)))
893 /* without '@', by default using lcore_set as cpu_set */
894 if (*lcores != '@' &&
895 0 > convert_to_cpuset(&cpuset, set, RTE_DIM(set)))
898 /* start to update lcore_set */
899 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
903 if (cfg->lcore_role[idx] != ROLE_RTE) {
904 lcore_config[idx].core_index = count;
905 cfg->lcore_role[idx] = ROLE_RTE;
911 CPU_SET(idx, &cpuset);
913 rte_memcpy(&lcore_config[idx].cpuset, &cpuset,
914 sizeof(rte_cpuset_t));
918 } while (*end != '\0');
923 cfg->lcore_count = count;
932 eal_parse_syslog(const char *facility, struct internal_config *conf)
935 static const struct {
939 { "auth", LOG_AUTH },
940 { "cron", LOG_CRON },
941 { "daemon", LOG_DAEMON },
943 { "kern", LOG_KERN },
945 { "mail", LOG_MAIL },
946 { "news", LOG_NEWS },
947 { "syslog", LOG_SYSLOG },
948 { "user", LOG_USER },
949 { "uucp", LOG_UUCP },
950 { "local0", LOG_LOCAL0 },
951 { "local1", LOG_LOCAL1 },
952 { "local2", LOG_LOCAL2 },
953 { "local3", LOG_LOCAL3 },
954 { "local4", LOG_LOCAL4 },
955 { "local5", LOG_LOCAL5 },
956 { "local6", LOG_LOCAL6 },
957 { "local7", LOG_LOCAL7 },
961 for (i = 0; map[i].name; i++) {
962 if (!strcmp(facility, map[i].name)) {
963 conf->syslog_facility = map[i].value;
971 eal_parse_log_priority(const char *level)
973 static const char * const levels[] = {
974 [RTE_LOG_EMERG] = "emergency",
975 [RTE_LOG_ALERT] = "alert",
976 [RTE_LOG_CRIT] = "critical",
977 [RTE_LOG_ERR] = "error",
978 [RTE_LOG_WARNING] = "warning",
979 [RTE_LOG_NOTICE] = "notice",
980 [RTE_LOG_INFO] = "info",
981 [RTE_LOG_DEBUG] = "debug",
983 size_t len = strlen(level);
991 /* look for named values, skip 0 which is not a valid level */
992 for (i = 1; i < RTE_DIM(levels); i++) {
993 if (strncmp(levels[i], level, len) == 0)
997 /* not a string, maybe it is numeric */
999 tmp = strtoul(level, &end, 0);
1001 /* check for errors */
1002 if (errno != 0 || end == NULL || *end != '\0' ||
1010 eal_parse_log_level(const char *arg)
1012 const char *pattern = NULL;
1013 const char *regex = NULL;
1021 if ((level = strchr(str, ','))) {
1024 } else if ((level = strchr(str, ':'))) {
1031 priority = eal_parse_log_priority(level);
1033 fprintf(stderr, "invalid log priority: %s\n", level);
1038 if (rte_log_set_level_regexp(regex, priority) < 0) {
1039 fprintf(stderr, "cannot set log level %s,%d\n",
1043 if (rte_log_save_regexp(regex, priority) < 0)
1045 } else if (pattern) {
1046 if (rte_log_set_level_pattern(pattern, priority) < 0) {
1047 fprintf(stderr, "cannot set log level %s:%d\n",
1051 if (rte_log_save_pattern(pattern, priority) < 0)
1054 rte_log_set_global_level(priority);
1065 static enum rte_proc_type_t
1066 eal_parse_proc_type(const char *arg)
1068 if (strncasecmp(arg, "primary", sizeof("primary")) == 0)
1069 return RTE_PROC_PRIMARY;
1070 if (strncasecmp(arg, "secondary", sizeof("secondary")) == 0)
1071 return RTE_PROC_SECONDARY;
1072 if (strncasecmp(arg, "auto", sizeof("auto")) == 0)
1073 return RTE_PROC_AUTO;
1075 return RTE_PROC_INVALID;
1079 eal_parse_common_option(int opt, const char *optarg,
1080 struct internal_config *conf)
1090 if (eal_option_device_add(RTE_DEVTYPE_BLACKLISTED_PCI,
1100 if (eal_option_device_add(RTE_DEVTYPE_WHITELISTED_PCI,
1108 if (eal_parse_coremask(optarg) < 0) {
1109 RTE_LOG(ERR, EAL, "invalid coremask\n");
1114 RTE_LOG(ERR, EAL, "Option -c is ignored, because (%s) is set!\n",
1115 (core_parsed == LCORE_OPT_LST) ? "-l" :
1116 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1121 core_parsed = LCORE_OPT_MSK;
1125 if (eal_parse_corelist(optarg) < 0) {
1126 RTE_LOG(ERR, EAL, "invalid core list\n");
1131 RTE_LOG(ERR, EAL, "Option -l is ignored, because (%s) is set!\n",
1132 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1133 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1138 core_parsed = LCORE_OPT_LST;
1140 /* service coremask */
1142 if (eal_parse_service_coremask(optarg) < 0) {
1143 RTE_LOG(ERR, EAL, "invalid service coremask\n");
1147 /* service corelist */
1149 if (eal_parse_service_corelist(optarg) < 0) {
1150 RTE_LOG(ERR, EAL, "invalid service core list\n");
1154 /* size of memory */
1156 conf->memory = atoi(optarg);
1157 conf->memory *= 1024ULL;
1158 conf->memory *= 1024ULL;
1161 /* force number of channels */
1163 conf->force_nchannel = atoi(optarg);
1164 if (conf->force_nchannel == 0) {
1165 RTE_LOG(ERR, EAL, "invalid channel number\n");
1169 /* force number of ranks */
1171 conf->force_nrank = atoi(optarg);
1172 if (conf->force_nrank == 0 ||
1173 conf->force_nrank > 16) {
1174 RTE_LOG(ERR, EAL, "invalid rank number\n");
1178 /* force loading of external driver */
1180 if (eal_plugin_add(optarg) == -1)
1184 /* since message is explicitly requested by user, we
1185 * write message at highest log level so it can always
1187 * even if info or warning messages are disabled */
1188 RTE_LOG(CRIT, EAL, "RTE Version: '%s'\n", rte_version());
1192 case OPT_HUGE_UNLINK_NUM:
1193 conf->hugepage_unlink = 1;
1196 case OPT_NO_HUGE_NUM:
1197 conf->no_hugetlbfs = 1;
1198 /* no-huge is legacy mem */
1199 conf->legacy_mem = 1;
1202 case OPT_NO_PCI_NUM:
1206 case OPT_NO_HPET_NUM:
1210 case OPT_VMWARE_TSC_MAP_NUM:
1211 conf->vmware_tsc_map = 1;
1214 case OPT_NO_SHCONF_NUM:
1215 conf->no_shconf = 1;
1218 case OPT_IN_MEMORY_NUM:
1219 conf->in_memory = 1;
1220 /* in-memory is a superset of noshconf and huge-unlink */
1221 conf->no_shconf = 1;
1222 conf->hugepage_unlink = 1;
1225 case OPT_PROC_TYPE_NUM:
1226 conf->process_type = eal_parse_proc_type(optarg);
1229 case OPT_MASTER_LCORE_NUM:
1230 if (eal_parse_master_lcore(optarg) < 0) {
1231 RTE_LOG(ERR, EAL, "invalid parameter for --"
1232 OPT_MASTER_LCORE "\n");
1238 if (eal_option_device_add(RTE_DEVTYPE_VIRTUAL,
1244 case OPT_SYSLOG_NUM:
1245 if (eal_parse_syslog(optarg, conf) < 0) {
1246 RTE_LOG(ERR, EAL, "invalid parameters for --"
1252 case OPT_LOG_LEVEL_NUM: {
1253 if (eal_parse_log_level(optarg) < 0) {
1255 "invalid parameters for --"
1256 OPT_LOG_LEVEL "\n");
1261 case OPT_LCORES_NUM:
1262 if (eal_parse_lcores(optarg) < 0) {
1263 RTE_LOG(ERR, EAL, "invalid parameter for --"
1269 RTE_LOG(ERR, EAL, "Option --lcore is ignored, because (%s) is set!\n",
1270 (core_parsed == LCORE_OPT_LST) ? "-l" :
1271 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1276 core_parsed = LCORE_OPT_MAP;
1278 case OPT_LEGACY_MEM_NUM:
1279 conf->legacy_mem = 1;
1281 case OPT_SINGLE_FILE_SEGMENTS_NUM:
1282 conf->single_file_segments = 1;
1285 /* don't know what to do, leave this to caller */
1293 RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) "
1294 "cannot be used at the same time\n");
1299 eal_auto_detect_cores(struct rte_config *cfg)
1301 unsigned int lcore_id;
1302 unsigned int removed = 0;
1303 rte_cpuset_t affinity_set;
1304 pthread_t tid = pthread_self();
1306 if (pthread_getaffinity_np(tid, sizeof(rte_cpuset_t),
1308 CPU_ZERO(&affinity_set);
1310 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1311 if (cfg->lcore_role[lcore_id] == ROLE_RTE &&
1312 !CPU_ISSET(lcore_id, &affinity_set)) {
1313 cfg->lcore_role[lcore_id] = ROLE_OFF;
1318 cfg->lcore_count -= removed;
1322 eal_adjust_config(struct internal_config *internal_cfg)
1325 struct rte_config *cfg = rte_eal_get_configuration();
1328 eal_auto_detect_cores(cfg);
1330 if (internal_config.process_type == RTE_PROC_AUTO)
1331 internal_config.process_type = eal_proc_type_detect();
1333 /* default master lcore is the first one */
1334 if (!master_lcore_parsed) {
1335 cfg->master_lcore = rte_get_next_lcore(-1, 0, 0);
1336 lcore_config[cfg->master_lcore].core_role = ROLE_RTE;
1339 /* if no memory amounts were requested, this will result in 0 and
1340 * will be overridden later, right after eal_hugepage_info_init() */
1341 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
1342 internal_cfg->memory += internal_cfg->socket_mem[i];
1348 eal_check_common_options(struct internal_config *internal_cfg)
1350 struct rte_config *cfg = rte_eal_get_configuration();
1352 if (cfg->lcore_role[cfg->master_lcore] != ROLE_RTE) {
1353 RTE_LOG(ERR, EAL, "Master lcore is not enabled for DPDK\n");
1357 if (internal_cfg->process_type == RTE_PROC_INVALID) {
1358 RTE_LOG(ERR, EAL, "Invalid process type specified\n");
1361 if (index(internal_cfg->hugefile_prefix, '%') != NULL) {
1362 RTE_LOG(ERR, EAL, "Invalid char, '%%', in --"OPT_FILE_PREFIX" "
1366 if (mem_parsed && internal_cfg->force_sockets == 1) {
1367 RTE_LOG(ERR, EAL, "Options -m and --"OPT_SOCKET_MEM" cannot "
1368 "be specified at the same time\n");
1371 if (internal_cfg->no_hugetlbfs && internal_cfg->force_sockets == 1) {
1372 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_MEM" cannot "
1373 "be specified together with --"OPT_NO_HUGE"\n");
1376 if (internal_cfg->no_hugetlbfs && internal_cfg->hugepage_unlink &&
1377 !internal_cfg->in_memory) {
1378 RTE_LOG(ERR, EAL, "Option --"OPT_HUGE_UNLINK" cannot "
1379 "be specified together with --"OPT_NO_HUGE"\n");
1382 if (internal_config.force_socket_limits && internal_config.legacy_mem) {
1383 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_LIMIT
1384 " is only supported in non-legacy memory mode\n");
1386 if (internal_cfg->single_file_segments &&
1387 internal_cfg->hugepage_unlink &&
1388 !internal_cfg->in_memory) {
1389 RTE_LOG(ERR, EAL, "Option --"OPT_SINGLE_FILE_SEGMENTS" is "
1390 "not compatible with --"OPT_HUGE_UNLINK"\n");
1393 if (internal_cfg->legacy_mem &&
1394 internal_cfg->in_memory) {
1395 RTE_LOG(ERR, EAL, "Option --"OPT_LEGACY_MEM" is not compatible "
1396 "with --"OPT_IN_MEMORY"\n");
1404 eal_common_usage(void)
1406 printf("[options]\n\n"
1407 "EAL common options:\n"
1408 " -c COREMASK Hexadecimal bitmask of cores to run on\n"
1409 " -l CORELIST List of cores to run on\n"
1410 " The argument format is <c1>[-c2][,c3[-c4],...]\n"
1411 " where c1, c2, etc are core indexes between 0 and %d\n"
1412 " --"OPT_LCORES" COREMAP Map lcore set to physical cpu set\n"
1413 " The argument format is\n"
1414 " '<lcores[@cpus]>[<,lcores[@cpus]>...]'\n"
1415 " lcores and cpus list are grouped by '(' and ')'\n"
1416 " Within the group, '-' is used for range separator,\n"
1417 " ',' is used for single number separator.\n"
1418 " '( )' can be omitted for single element group,\n"
1419 " '@' can be omitted if cpus and lcores have the same value\n"
1420 " -s SERVICE COREMASK Hexadecimal bitmask of cores to be used as service cores\n"
1421 " --"OPT_MASTER_LCORE" ID Core ID that is used as master\n"
1422 " --"OPT_MBUF_POOL_OPS_NAME" Pool ops name for mbuf to use\n"
1423 " -n CHANNELS Number of memory channels\n"
1424 " -m MB Memory to allocate (see also --"OPT_SOCKET_MEM")\n"
1425 " -r RANKS Force number of memory ranks (don't detect)\n"
1426 " -b, --"OPT_PCI_BLACKLIST" Add a PCI device in black list.\n"
1427 " Prevent EAL from using this PCI device. The argument\n"
1428 " format is <domain:bus:devid.func>.\n"
1429 " -w, --"OPT_PCI_WHITELIST" Add a PCI device in white list.\n"
1430 " Only use the specified PCI devices. The argument format\n"
1431 " is <[domain:]bus:devid.func>. This option can be present\n"
1432 " several times (once per device).\n"
1433 " [NOTE: PCI whitelist cannot be used with -b option]\n"
1434 " --"OPT_VDEV" Add a virtual device.\n"
1435 " The argument format is <driver><id>[,key=val,...]\n"
1436 " (ex: --vdev=net_pcap0,iface=eth2).\n"
1437 " -d LIB.so|DIR Add a driver or driver directory\n"
1438 " (can be used multiple times)\n"
1439 " --"OPT_VMWARE_TSC_MAP" Use VMware TSC map instead of native RDTSC\n"
1440 " --"OPT_PROC_TYPE" Type of this process (primary|secondary|auto)\n"
1441 " --"OPT_SYSLOG" Set syslog facility\n"
1442 " --"OPT_LOG_LEVEL"=<int> Set global log level\n"
1443 " --"OPT_LOG_LEVEL"=<type-match>:<int>\n"
1444 " Set specific log level\n"
1445 " -v Display version information on startup\n"
1446 " -h, --help This help\n"
1447 " --"OPT_IN_MEMORY" Operate entirely in memory. This will\n"
1448 " disable secondary process support\n"
1449 "\nEAL options for DEBUG use only:\n"
1450 " --"OPT_HUGE_UNLINK" Unlink hugepage files after init\n"
1451 " --"OPT_NO_HUGE" Use malloc instead of hugetlbfs\n"
1452 " --"OPT_NO_PCI" Disable PCI\n"
1453 " --"OPT_NO_HPET" Disable HPET\n"
1454 " --"OPT_NO_SHCONF" No shared config (mmap'd files)\n"
1455 "\n", RTE_MAX_LCORE);