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;
325 if (coremask == NULL)
327 /* Remove all blank characters ahead and after .
328 * Remove 0x/0X if exists.
330 while (isblank(*coremask))
332 if (coremask[0] == '0' && ((coremask[1] == 'x')
333 || (coremask[1] == 'X')))
335 i = strlen(coremask);
336 while ((i > 0) && isblank(coremask[i - 1]))
342 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
344 if (isxdigit(c) == 0) {
345 /* invalid characters */
349 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE;
351 if ((1 << j) & val) {
352 /* handle master lcore already parsed */
353 uint32_t lcore = idx;
354 if (master_lcore_parsed &&
355 cfg->master_lcore == lcore) {
357 "Error: lcore %u is master lcore, cannot use as service core\n",
362 if (!lcore_config[idx].detected) {
364 "lcore %u unavailable\n", idx);
367 lcore_config[idx].core_role = ROLE_SERVICE;
374 if (coremask[i] != '0')
377 for (; idx < RTE_MAX_LCORE; idx++)
378 lcore_config[idx].core_index = -1;
383 cfg->service_lcore_count = count;
388 eal_parse_coremask(const char *coremask)
390 struct rte_config *cfg = rte_eal_get_configuration();
396 if (coremask == NULL)
398 /* Remove all blank characters ahead and after .
399 * Remove 0x/0X if exists.
401 while (isblank(*coremask))
403 if (coremask[0] == '0' && ((coremask[1] == 'x')
404 || (coremask[1] == 'X')))
406 i = strlen(coremask);
407 while ((i > 0) && isblank(coremask[i - 1]))
412 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
414 if (isxdigit(c) == 0) {
415 /* invalid characters */
419 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++)
421 if ((1 << j) & val) {
422 if (!lcore_config[idx].detected) {
423 RTE_LOG(ERR, EAL, "lcore %u "
424 "unavailable\n", idx);
427 cfg->lcore_role[idx] = ROLE_RTE;
428 lcore_config[idx].core_index = count;
431 cfg->lcore_role[idx] = ROLE_OFF;
432 lcore_config[idx].core_index = -1;
437 if (coremask[i] != '0')
439 for (; idx < RTE_MAX_LCORE; idx++) {
440 cfg->lcore_role[idx] = ROLE_OFF;
441 lcore_config[idx].core_index = -1;
445 /* Update the count of enabled logical cores of the EAL configuration */
446 cfg->lcore_count = count;
451 eal_parse_service_corelist(const char *corelist)
453 struct rte_config *cfg = rte_eal_get_configuration();
459 if (corelist == NULL)
462 /* Remove all blank characters ahead and after */
463 while (isblank(*corelist))
465 i = strlen(corelist);
466 while ((i > 0) && isblank(corelist[i - 1]))
469 /* Get list of cores */
472 while (isblank(*corelist))
474 if (*corelist == '\0')
477 idx = strtoul(corelist, &end, 10);
478 if (errno || end == NULL)
480 while (isblank(*end))
484 } else if ((*end == ',') || (*end == '\0')) {
486 if (min == RTE_MAX_LCORE)
488 for (idx = min; idx <= max; idx++) {
489 if (cfg->lcore_role[idx] != ROLE_SERVICE) {
490 /* handle master lcore already parsed */
491 uint32_t lcore = idx;
492 if (cfg->master_lcore == lcore &&
493 master_lcore_parsed) {
495 "Error: lcore %u is master lcore, cannot use as service core\n",
499 lcore_config[idx].core_role =
508 } while (*end != '\0');
517 eal_parse_corelist(const char *corelist)
519 struct rte_config *cfg = rte_eal_get_configuration();
525 if (corelist == NULL)
528 /* Remove all blank characters ahead and after */
529 while (isblank(*corelist))
531 i = strlen(corelist);
532 while ((i > 0) && isblank(corelist[i - 1]))
536 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
537 cfg->lcore_role[idx] = ROLE_OFF;
538 lcore_config[idx].core_index = -1;
541 /* Get list of cores */
544 while (isblank(*corelist))
546 if (*corelist == '\0')
549 idx = strtoul(corelist, &end, 10);
550 if (errno || end == NULL)
552 while (isblank(*end))
556 } else if ((*end == ',') || (*end == '\0')) {
558 if (min == RTE_MAX_LCORE)
560 for (idx = min; idx <= max; idx++) {
561 if (cfg->lcore_role[idx] != ROLE_RTE) {
562 cfg->lcore_role[idx] = ROLE_RTE;
563 lcore_config[idx].core_index = count;
571 } while (*end != '\0');
576 /* Update the count of enabled logical cores of the EAL configuration */
577 cfg->lcore_count = count;
582 /* Changes the lcore id of the master thread */
584 eal_parse_master_lcore(const char *arg)
587 struct rte_config *cfg = rte_eal_get_configuration();
590 cfg->master_lcore = (uint32_t) strtol(arg, &parsing_end, 0);
591 if (errno || parsing_end[0] != 0)
593 if (cfg->master_lcore >= RTE_MAX_LCORE)
595 master_lcore_parsed = 1;
597 /* ensure master core is not used as service core */
598 if (lcore_config[cfg->master_lcore].core_role == ROLE_SERVICE) {
599 RTE_LOG(ERR, EAL, "Error: Master lcore is used as a service core.\n");
607 * Parse elem, the elem could be single number/range or '(' ')' group
608 * 1) A single number elem, it's just a simple digit. e.g. 9
609 * 2) A single range elem, two digits with a '-' between. e.g. 2-6
610 * 3) A group elem, combines multiple 1) or 2) with '( )'. e.g (0,2-4,6)
611 * Within group elem, '-' used for a range separator;
612 * ',' used for a single number.
615 eal_parse_set(const char *input, uint16_t set[], unsigned num)
618 const char *str = input;
622 memset(set, 0, num * sizeof(uint16_t));
624 while (isblank(*str))
627 /* only digit or left bracket is qualify for start point */
628 if ((!isdigit(*str) && *str != '(') || *str == '\0')
631 /* process single number or single range of number */
634 idx = strtoul(str, &end, 10);
635 if (errno || end == NULL || idx >= num)
638 while (isblank(*end))
644 /* process single <number>-<number> */
646 while (isblank(*end))
652 idx = strtoul(end, &end, 10);
653 if (errno || end == NULL || idx >= num)
656 while (isblank(*end))
658 if (*end != ',' && *end != '\0')
662 if (*end != ',' && *end != '\0' &&
666 for (idx = RTE_MIN(min, max);
667 idx <= RTE_MAX(min, max); idx++)
674 /* process set within bracket */
676 while (isblank(*str))
684 /* go ahead to the first digit */
685 while (isblank(*str))
690 /* get the digit value */
692 idx = strtoul(str, &end, 10);
693 if (errno || end == NULL || idx >= num)
696 /* go ahead to separator '-',',' and ')' */
697 while (isblank(*end))
700 if (min == RTE_MAX_LCORE)
702 else /* avoid continuous '-' */
704 } else if ((*end == ',') || (*end == ')')) {
706 if (min == RTE_MAX_LCORE)
708 for (idx = RTE_MIN(min, max);
709 idx <= RTE_MAX(min, max); idx++)
717 } while (*end != '\0' && *end != ')');
720 * to avoid failure that tail blank makes end character check fail
721 * in eal_parse_lcores( )
723 while (isblank(*str))
729 /* convert from set array to cpuset bitmap */
731 convert_to_cpuset(rte_cpuset_t *cpusetp,
732 uint16_t *set, unsigned num)
738 for (idx = 0; idx < num; idx++) {
742 if (!lcore_config[idx].detected) {
743 RTE_LOG(ERR, EAL, "core %u "
744 "unavailable\n", idx);
748 CPU_SET(idx, cpusetp);
755 * The format pattern: --lcores='<lcores[@cpus]>[<,lcores[@cpus]>...]'
756 * lcores, cpus could be a single digit/range or a group.
757 * '(' and ')' are necessary if it's a group.
758 * If not supply '@cpus', the value of cpus uses the same as lcores.
759 * e.g. '1,2@(5-7),(3-5)@(0,2),(0,6),7-8' means start 9 EAL thread as below
760 * lcore 0 runs on cpuset 0x41 (cpu 0,6)
761 * lcore 1 runs on cpuset 0x2 (cpu 1)
762 * lcore 2 runs on cpuset 0xe0 (cpu 5,6,7)
763 * lcore 3,4,5 runs on cpuset 0x5 (cpu 0,2)
764 * lcore 6 runs on cpuset 0x41 (cpu 0,6)
765 * lcore 7 runs on cpuset 0x80 (cpu 7)
766 * lcore 8 runs on cpuset 0x100 (cpu 8)
769 eal_parse_lcores(const char *lcores)
771 struct rte_config *cfg = rte_eal_get_configuration();
772 static uint16_t set[RTE_MAX_LCORE];
775 const char *lcore_start = NULL;
776 const char *end = NULL;
785 /* Remove all blank characters ahead and after */
786 while (isblank(*lcores))
791 /* Reset lcore config */
792 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
793 cfg->lcore_role[idx] = ROLE_OFF;
794 lcore_config[idx].core_index = -1;
795 CPU_ZERO(&lcore_config[idx].cpuset);
798 /* Get list of cores */
800 while (isblank(*lcores))
807 /* record lcore_set start point */
808 lcore_start = lcores;
810 /* go across a complete bracket */
811 if (*lcore_start == '(') {
812 lcores += strcspn(lcores, ")");
813 if (*lcores++ == '\0')
817 /* scan the separator '@', ','(next) or '\0'(finish) */
818 lcores += strcspn(lcores, "@,");
820 if (*lcores == '@') {
821 /* explicit assign cpu_set */
822 offset = eal_parse_set(lcores + 1, set, RTE_DIM(set));
826 /* prepare cpu_set and update the end cursor */
827 if (0 > convert_to_cpuset(&cpuset,
830 end = lcores + 1 + offset;
831 } else { /* ',' or '\0' */
832 /* haven't given cpu_set, current loop done */
835 /* go back to check <number>-<number> */
836 offset = strcspn(lcore_start, "(-");
837 if (offset < (end - lcore_start) &&
838 *(lcore_start + offset) != '(')
842 if (*end != ',' && *end != '\0')
845 /* parse lcore_set from start point */
846 if (0 > eal_parse_set(lcore_start, set, RTE_DIM(set)))
849 /* without '@', by default using lcore_set as cpu_set */
850 if (*lcores != '@' &&
851 0 > convert_to_cpuset(&cpuset, set, RTE_DIM(set)))
854 /* start to update lcore_set */
855 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
859 if (cfg->lcore_role[idx] != ROLE_RTE) {
860 lcore_config[idx].core_index = count;
861 cfg->lcore_role[idx] = ROLE_RTE;
867 CPU_SET(idx, &cpuset);
869 rte_memcpy(&lcore_config[idx].cpuset, &cpuset,
870 sizeof(rte_cpuset_t));
874 } while (*end != '\0');
879 cfg->lcore_count = count;
888 eal_parse_syslog(const char *facility, struct internal_config *conf)
891 static const struct {
895 { "auth", LOG_AUTH },
896 { "cron", LOG_CRON },
897 { "daemon", LOG_DAEMON },
899 { "kern", LOG_KERN },
901 { "mail", LOG_MAIL },
902 { "news", LOG_NEWS },
903 { "syslog", LOG_SYSLOG },
904 { "user", LOG_USER },
905 { "uucp", LOG_UUCP },
906 { "local0", LOG_LOCAL0 },
907 { "local1", LOG_LOCAL1 },
908 { "local2", LOG_LOCAL2 },
909 { "local3", LOG_LOCAL3 },
910 { "local4", LOG_LOCAL4 },
911 { "local5", LOG_LOCAL5 },
912 { "local6", LOG_LOCAL6 },
913 { "local7", LOG_LOCAL7 },
917 for (i = 0; map[i].name; i++) {
918 if (!strcmp(facility, map[i].name)) {
919 conf->syslog_facility = map[i].value;
927 eal_parse_log_priority(const char *level)
929 static const char * const levels[] = {
930 [RTE_LOG_EMERG] = "emergency",
931 [RTE_LOG_ALERT] = "alert",
932 [RTE_LOG_CRIT] = "critical",
933 [RTE_LOG_ERR] = "error",
934 [RTE_LOG_WARNING] = "warning",
935 [RTE_LOG_NOTICE] = "notice",
936 [RTE_LOG_INFO] = "info",
937 [RTE_LOG_DEBUG] = "debug",
939 size_t len = strlen(level);
947 /* look for named values, skip 0 which is not a valid level */
948 for (i = 1; i < RTE_DIM(levels); i++) {
949 if (strncmp(levels[i], level, len) == 0)
953 /* not a string, maybe it is numeric */
955 tmp = strtoul(level, &end, 0);
957 /* check for errors */
958 if (errno != 0 || end == NULL || *end != '\0' ||
966 eal_parse_log_level(const char *arg)
968 const char *pattern = NULL;
969 const char *regex = NULL;
977 if ((level = strchr(str, ','))) {
980 } else if ((level = strchr(str, ':'))) {
987 priority = eal_parse_log_priority(level);
989 fprintf(stderr, "invalid log priority: %s\n", level);
994 if (rte_log_set_level_regexp(regex, priority) < 0) {
995 fprintf(stderr, "cannot set log level %s,%d\n",
999 if (rte_log_save_regexp(regex, priority) < 0)
1001 } else if (pattern) {
1002 if (rte_log_set_level_pattern(pattern, priority) < 0) {
1003 fprintf(stderr, "cannot set log level %s:%d\n",
1007 if (rte_log_save_pattern(pattern, priority) < 0)
1010 rte_log_set_global_level(priority);
1021 static enum rte_proc_type_t
1022 eal_parse_proc_type(const char *arg)
1024 if (strncasecmp(arg, "primary", sizeof("primary")) == 0)
1025 return RTE_PROC_PRIMARY;
1026 if (strncasecmp(arg, "secondary", sizeof("secondary")) == 0)
1027 return RTE_PROC_SECONDARY;
1028 if (strncasecmp(arg, "auto", sizeof("auto")) == 0)
1029 return RTE_PROC_AUTO;
1031 return RTE_PROC_INVALID;
1035 eal_parse_common_option(int opt, const char *optarg,
1036 struct internal_config *conf)
1046 if (eal_option_device_add(RTE_DEVTYPE_BLACKLISTED_PCI,
1056 if (eal_option_device_add(RTE_DEVTYPE_WHITELISTED_PCI,
1064 if (eal_parse_coremask(optarg) < 0) {
1065 RTE_LOG(ERR, EAL, "invalid coremask\n");
1070 RTE_LOG(ERR, EAL, "Option -c is ignored, because (%s) is set!\n",
1071 (core_parsed == LCORE_OPT_LST) ? "-l" :
1072 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1077 core_parsed = LCORE_OPT_MSK;
1081 if (eal_parse_corelist(optarg) < 0) {
1082 RTE_LOG(ERR, EAL, "invalid core list\n");
1087 RTE_LOG(ERR, EAL, "Option -l is ignored, because (%s) is set!\n",
1088 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1089 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1094 core_parsed = LCORE_OPT_LST;
1096 /* service coremask */
1098 if (eal_parse_service_coremask(optarg) < 0) {
1099 RTE_LOG(ERR, EAL, "invalid service coremask\n");
1103 /* service corelist */
1105 if (eal_parse_service_corelist(optarg) < 0) {
1106 RTE_LOG(ERR, EAL, "invalid service core list\n");
1110 /* size of memory */
1112 conf->memory = atoi(optarg);
1113 conf->memory *= 1024ULL;
1114 conf->memory *= 1024ULL;
1117 /* force number of channels */
1119 conf->force_nchannel = atoi(optarg);
1120 if (conf->force_nchannel == 0) {
1121 RTE_LOG(ERR, EAL, "invalid channel number\n");
1125 /* force number of ranks */
1127 conf->force_nrank = atoi(optarg);
1128 if (conf->force_nrank == 0 ||
1129 conf->force_nrank > 16) {
1130 RTE_LOG(ERR, EAL, "invalid rank number\n");
1134 /* force loading of external driver */
1136 if (eal_plugin_add(optarg) == -1)
1140 /* since message is explicitly requested by user, we
1141 * write message at highest log level so it can always
1143 * even if info or warning messages are disabled */
1144 RTE_LOG(CRIT, EAL, "RTE Version: '%s'\n", rte_version());
1148 case OPT_HUGE_UNLINK_NUM:
1149 conf->hugepage_unlink = 1;
1152 case OPT_NO_HUGE_NUM:
1153 conf->no_hugetlbfs = 1;
1154 /* no-huge is legacy mem */
1155 conf->legacy_mem = 1;
1158 case OPT_NO_PCI_NUM:
1162 case OPT_NO_HPET_NUM:
1166 case OPT_VMWARE_TSC_MAP_NUM:
1167 conf->vmware_tsc_map = 1;
1170 case OPT_NO_SHCONF_NUM:
1171 conf->no_shconf = 1;
1174 case OPT_IN_MEMORY_NUM:
1175 conf->in_memory = 1;
1176 /* in-memory is a superset of noshconf and huge-unlink */
1177 conf->no_shconf = 1;
1178 conf->hugepage_unlink = 1;
1181 case OPT_PROC_TYPE_NUM:
1182 conf->process_type = eal_parse_proc_type(optarg);
1185 case OPT_MASTER_LCORE_NUM:
1186 if (eal_parse_master_lcore(optarg) < 0) {
1187 RTE_LOG(ERR, EAL, "invalid parameter for --"
1188 OPT_MASTER_LCORE "\n");
1194 if (eal_option_device_add(RTE_DEVTYPE_VIRTUAL,
1200 case OPT_SYSLOG_NUM:
1201 if (eal_parse_syslog(optarg, conf) < 0) {
1202 RTE_LOG(ERR, EAL, "invalid parameters for --"
1208 case OPT_LOG_LEVEL_NUM: {
1209 if (eal_parse_log_level(optarg) < 0) {
1211 "invalid parameters for --"
1212 OPT_LOG_LEVEL "\n");
1217 case OPT_LCORES_NUM:
1218 if (eal_parse_lcores(optarg) < 0) {
1219 RTE_LOG(ERR, EAL, "invalid parameter for --"
1225 RTE_LOG(ERR, EAL, "Option --lcore is ignored, because (%s) is set!\n",
1226 (core_parsed == LCORE_OPT_LST) ? "-l" :
1227 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1232 core_parsed = LCORE_OPT_MAP;
1234 case OPT_LEGACY_MEM_NUM:
1235 conf->legacy_mem = 1;
1237 case OPT_SINGLE_FILE_SEGMENTS_NUM:
1238 conf->single_file_segments = 1;
1241 /* don't know what to do, leave this to caller */
1249 RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) "
1250 "cannot be used at the same time\n");
1255 eal_auto_detect_cores(struct rte_config *cfg)
1257 unsigned int lcore_id;
1258 unsigned int removed = 0;
1259 rte_cpuset_t affinity_set;
1260 pthread_t tid = pthread_self();
1262 if (pthread_getaffinity_np(tid, sizeof(rte_cpuset_t),
1264 CPU_ZERO(&affinity_set);
1266 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1267 if (cfg->lcore_role[lcore_id] == ROLE_RTE &&
1268 !CPU_ISSET(lcore_id, &affinity_set)) {
1269 cfg->lcore_role[lcore_id] = ROLE_OFF;
1274 cfg->lcore_count -= removed;
1278 eal_adjust_config(struct internal_config *internal_cfg)
1281 struct rte_config *cfg = rte_eal_get_configuration();
1284 eal_auto_detect_cores(cfg);
1286 if (internal_config.process_type == RTE_PROC_AUTO)
1287 internal_config.process_type = eal_proc_type_detect();
1289 /* default master lcore is the first one */
1290 if (!master_lcore_parsed) {
1291 cfg->master_lcore = rte_get_next_lcore(-1, 0, 0);
1292 lcore_config[cfg->master_lcore].core_role = ROLE_RTE;
1295 /* if no memory amounts were requested, this will result in 0 and
1296 * will be overridden later, right after eal_hugepage_info_init() */
1297 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
1298 internal_cfg->memory += internal_cfg->socket_mem[i];
1304 eal_check_common_options(struct internal_config *internal_cfg)
1306 struct rte_config *cfg = rte_eal_get_configuration();
1308 if (cfg->lcore_role[cfg->master_lcore] != ROLE_RTE) {
1309 RTE_LOG(ERR, EAL, "Master lcore is not enabled for DPDK\n");
1313 if (internal_cfg->process_type == RTE_PROC_INVALID) {
1314 RTE_LOG(ERR, EAL, "Invalid process type specified\n");
1317 if (index(internal_cfg->hugefile_prefix, '%') != NULL) {
1318 RTE_LOG(ERR, EAL, "Invalid char, '%%', in --"OPT_FILE_PREFIX" "
1322 if (mem_parsed && internal_cfg->force_sockets == 1) {
1323 RTE_LOG(ERR, EAL, "Options -m and --"OPT_SOCKET_MEM" cannot "
1324 "be specified at the same time\n");
1327 if (internal_cfg->no_hugetlbfs && internal_cfg->force_sockets == 1) {
1328 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_MEM" cannot "
1329 "be specified together with --"OPT_NO_HUGE"\n");
1332 if (internal_cfg->no_hugetlbfs && internal_cfg->hugepage_unlink &&
1333 !internal_cfg->in_memory) {
1334 RTE_LOG(ERR, EAL, "Option --"OPT_HUGE_UNLINK" cannot "
1335 "be specified together with --"OPT_NO_HUGE"\n");
1338 if (internal_config.force_socket_limits && internal_config.legacy_mem) {
1339 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_LIMIT
1340 " is only supported in non-legacy memory mode\n");
1342 if (internal_cfg->single_file_segments &&
1343 internal_cfg->hugepage_unlink) {
1344 RTE_LOG(ERR, EAL, "Option --"OPT_SINGLE_FILE_SEGMENTS" is "
1345 "not compatible with neither --"OPT_IN_MEMORY" nor "
1346 "--"OPT_HUGE_UNLINK"\n");
1354 eal_common_usage(void)
1356 printf("[options]\n\n"
1357 "EAL common options:\n"
1358 " -c COREMASK Hexadecimal bitmask of cores to run on\n"
1359 " -l CORELIST List of cores to run on\n"
1360 " The argument format is <c1>[-c2][,c3[-c4],...]\n"
1361 " where c1, c2, etc are core indexes between 0 and %d\n"
1362 " --"OPT_LCORES" COREMAP Map lcore set to physical cpu set\n"
1363 " The argument format is\n"
1364 " '<lcores[@cpus]>[<,lcores[@cpus]>...]'\n"
1365 " lcores and cpus list are grouped by '(' and ')'\n"
1366 " Within the group, '-' is used for range separator,\n"
1367 " ',' is used for single number separator.\n"
1368 " '( )' can be omitted for single element group,\n"
1369 " '@' can be omitted if cpus and lcores have the same value\n"
1370 " -s SERVICE COREMASK Hexadecimal bitmask of cores to be used as service cores\n"
1371 " --"OPT_MASTER_LCORE" ID Core ID that is used as master\n"
1372 " --"OPT_MBUF_POOL_OPS_NAME" Pool ops name for mbuf to use\n"
1373 " -n CHANNELS Number of memory channels\n"
1374 " -m MB Memory to allocate (see also --"OPT_SOCKET_MEM")\n"
1375 " -r RANKS Force number of memory ranks (don't detect)\n"
1376 " -b, --"OPT_PCI_BLACKLIST" Add a PCI device in black list.\n"
1377 " Prevent EAL from using this PCI device. The argument\n"
1378 " format is <domain:bus:devid.func>.\n"
1379 " -w, --"OPT_PCI_WHITELIST" Add a PCI device in white list.\n"
1380 " Only use the specified PCI devices. The argument format\n"
1381 " is <[domain:]bus:devid.func>. This option can be present\n"
1382 " several times (once per device).\n"
1383 " [NOTE: PCI whitelist cannot be used with -b option]\n"
1384 " --"OPT_VDEV" Add a virtual device.\n"
1385 " The argument format is <driver><id>[,key=val,...]\n"
1386 " (ex: --vdev=net_pcap0,iface=eth2).\n"
1387 " -d LIB.so|DIR Add a driver or driver directory\n"
1388 " (can be used multiple times)\n"
1389 " --"OPT_VMWARE_TSC_MAP" Use VMware TSC map instead of native RDTSC\n"
1390 " --"OPT_PROC_TYPE" Type of this process (primary|secondary|auto)\n"
1391 " --"OPT_SYSLOG" Set syslog facility\n"
1392 " --"OPT_LOG_LEVEL"=<int> Set global log level\n"
1393 " --"OPT_LOG_LEVEL"=<type-match>:<int>\n"
1394 " Set specific log level\n"
1395 " -v Display version information on startup\n"
1396 " -h, --help This help\n"
1397 " --"OPT_IN_MEMORY" Operate entirely in memory. This will\n"
1398 " disable secondary process support\n"
1399 "\nEAL options for DEBUG use only:\n"
1400 " --"OPT_HUGE_UNLINK" Unlink hugepage files after init\n"
1401 " --"OPT_NO_HUGE" Use malloc instead of hugetlbfs\n"
1402 " --"OPT_NO_PCI" Disable PCI\n"
1403 " --"OPT_NO_HPET" Disable HPET\n"
1404 " --"OPT_NO_SHCONF" No shared config (mmap'd files)\n"
1405 "\n", RTE_MAX_LCORE);