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"
31 #define BITS_PER_HEX 4
32 #define LCORE_OPT_LST 1
33 #define LCORE_OPT_MSK 2
34 #define LCORE_OPT_MAP 3
38 "b:" /* pci-blacklist */
40 "s:" /* service coremask */
44 "S:" /* service corelist */
45 "m:" /* memory size */
46 "n:" /* memory channels */
47 "r:" /* memory ranks */
49 "w:" /* pci-whitelist */
53 eal_long_options[] = {
54 {OPT_BASE_VIRTADDR, 1, NULL, OPT_BASE_VIRTADDR_NUM },
55 {OPT_CREATE_UIO_DEV, 0, NULL, OPT_CREATE_UIO_DEV_NUM },
56 {OPT_FILE_PREFIX, 1, NULL, OPT_FILE_PREFIX_NUM },
57 {OPT_HELP, 0, NULL, OPT_HELP_NUM },
58 {OPT_HUGE_DIR, 1, NULL, OPT_HUGE_DIR_NUM },
59 {OPT_HUGE_UNLINK, 0, NULL, OPT_HUGE_UNLINK_NUM },
60 {OPT_LCORES, 1, NULL, OPT_LCORES_NUM },
61 {OPT_LOG_LEVEL, 1, NULL, OPT_LOG_LEVEL_NUM },
62 {OPT_MASTER_LCORE, 1, NULL, OPT_MASTER_LCORE_NUM },
63 {OPT_MBUF_POOL_OPS_NAME, 1, NULL, OPT_MBUF_POOL_OPS_NAME_NUM},
64 {OPT_NO_HPET, 0, NULL, OPT_NO_HPET_NUM },
65 {OPT_NO_HUGE, 0, NULL, OPT_NO_HUGE_NUM },
66 {OPT_NO_PCI, 0, NULL, OPT_NO_PCI_NUM },
67 {OPT_NO_SHCONF, 0, NULL, OPT_NO_SHCONF_NUM },
68 {OPT_PCI_BLACKLIST, 1, NULL, OPT_PCI_BLACKLIST_NUM },
69 {OPT_PCI_WHITELIST, 1, NULL, OPT_PCI_WHITELIST_NUM },
70 {OPT_PROC_TYPE, 1, NULL, OPT_PROC_TYPE_NUM },
71 {OPT_SOCKET_MEM, 1, NULL, OPT_SOCKET_MEM_NUM },
72 {OPT_SYSLOG, 1, NULL, OPT_SYSLOG_NUM },
73 {OPT_VDEV, 1, NULL, OPT_VDEV_NUM },
74 {OPT_VFIO_INTR, 1, NULL, OPT_VFIO_INTR_NUM },
75 {OPT_VMWARE_TSC_MAP, 0, NULL, OPT_VMWARE_TSC_MAP_NUM },
79 TAILQ_HEAD(shared_driver_list, shared_driver);
81 /* Definition for shared object drivers. */
82 struct shared_driver {
83 TAILQ_ENTRY(shared_driver) next;
89 /* List of external loadable drivers */
90 static struct shared_driver_list solib_list =
91 TAILQ_HEAD_INITIALIZER(solib_list);
93 /* Default path of external loadable drivers */
94 static const char *default_solib_dir = RTE_EAL_PMD_PATH;
97 * Stringified version of solib path used by dpdk-pmdinfo.py
98 * Note: PLEASE DO NOT ALTER THIS without making a corresponding
99 * change to usertools/dpdk-pmdinfo.py
101 static const char dpdk_solib_path[] __attribute__((used)) =
102 "DPDK_PLUGIN_PATH=" RTE_EAL_PMD_PATH;
104 TAILQ_HEAD(device_option_list, device_option);
106 struct device_option {
107 TAILQ_ENTRY(device_option) next;
109 enum rte_devtype type;
113 static struct device_option_list devopt_list =
114 TAILQ_HEAD_INITIALIZER(devopt_list);
116 static int master_lcore_parsed;
117 static int mem_parsed;
118 static int core_parsed;
121 eal_option_device_add(enum rte_devtype type, const char *optarg)
123 struct device_option *devopt;
127 optlen = strlen(optarg) + 1;
128 devopt = calloc(1, sizeof(*devopt) + optlen);
129 if (devopt == NULL) {
130 RTE_LOG(ERR, EAL, "Unable to allocate device option\n");
135 ret = snprintf(devopt->arg, optlen, "%s", optarg);
137 RTE_LOG(ERR, EAL, "Unable to copy device option\n");
141 TAILQ_INSERT_TAIL(&devopt_list, devopt, next);
146 eal_option_device_parse(void)
148 struct device_option *devopt;
152 TAILQ_FOREACH_SAFE(devopt, &devopt_list, next, tmp) {
154 ret = rte_eal_devargs_add(devopt->type, devopt->arg);
156 RTE_LOG(ERR, EAL, "Unable to parse device '%s'\n",
159 TAILQ_REMOVE(&devopt_list, devopt, next);
166 eal_reset_internal_config(struct internal_config *internal_cfg)
170 internal_cfg->memory = 0;
171 internal_cfg->force_nrank = 0;
172 internal_cfg->force_nchannel = 0;
173 internal_cfg->hugefile_prefix = HUGEFILE_PREFIX_DEFAULT;
174 internal_cfg->hugepage_dir = NULL;
175 internal_cfg->force_sockets = 0;
176 /* zero out the NUMA config */
177 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
178 internal_cfg->socket_mem[i] = 0;
179 /* zero out hugedir descriptors */
180 for (i = 0; i < MAX_HUGEPAGE_SIZES; i++)
181 internal_cfg->hugepage_info[i].lock_descriptor = -1;
182 internal_cfg->base_virtaddr = 0;
184 internal_cfg->syslog_facility = LOG_DAEMON;
186 /* if set to NONE, interrupt mode is determined automatically */
187 internal_cfg->vfio_intr_mode = RTE_INTR_MODE_NONE;
189 #ifdef RTE_LIBEAL_USE_HPET
190 internal_cfg->no_hpet = 0;
192 internal_cfg->no_hpet = 1;
194 internal_cfg->vmware_tsc_map = 0;
195 internal_cfg->create_uio_dev = 0;
196 internal_cfg->user_mbuf_pool_ops_name = NULL;
200 eal_plugin_add(const char *path)
202 struct shared_driver *solib;
204 solib = malloc(sizeof(*solib));
206 RTE_LOG(ERR, EAL, "malloc(solib) failed\n");
209 memset(solib, 0, sizeof(*solib));
210 strncpy(solib->name, path, PATH_MAX-1);
211 solib->name[PATH_MAX-1] = 0;
212 TAILQ_INSERT_TAIL(&solib_list, solib, next);
218 eal_plugindir_init(const char *path)
221 struct dirent *dent = NULL;
222 char sopath[PATH_MAX];
224 if (path == NULL || *path == '\0')
229 RTE_LOG(ERR, EAL, "failed to open directory %s: %s\n",
230 path, strerror(errno));
234 while ((dent = readdir(d)) != NULL) {
237 snprintf(sopath, PATH_MAX-1, "%s/%s", path, dent->d_name);
238 sopath[PATH_MAX-1] = 0;
240 if (!(stat(sopath, &sb) == 0 && S_ISREG(sb.st_mode)))
243 if (eal_plugin_add(sopath) == -1)
248 /* XXX this ignores failures from readdir() itself */
249 return (dent == NULL) ? 0 : -1;
253 eal_plugins_init(void)
255 struct shared_driver *solib = NULL;
258 if (*default_solib_dir != '\0' && stat(default_solib_dir, &sb) == 0 &&
260 eal_plugin_add(default_solib_dir);
262 TAILQ_FOREACH(solib, &solib_list, next) {
264 if (stat(solib->name, &sb) == 0 && S_ISDIR(sb.st_mode)) {
265 if (eal_plugindir_init(solib->name) == -1) {
267 "Cannot init plugin directory %s\n",
272 RTE_LOG(DEBUG, EAL, "open shared lib %s\n",
274 solib->lib_handle = dlopen(solib->name, RTLD_NOW);
275 if (solib->lib_handle == NULL) {
276 RTE_LOG(ERR, EAL, "%s\n", dlerror());
286 * Parse the coremask given as argument (hexadecimal string) and fill
287 * the global configuration (core role and core count) with the parsed
290 static int xdigit2val(unsigned char c)
304 eal_parse_service_coremask(const char *coremask)
306 struct rte_config *cfg = rte_eal_get_configuration();
308 unsigned int count = 0;
312 if (coremask == NULL)
314 /* Remove all blank characters ahead and after .
315 * Remove 0x/0X if exists.
317 while (isblank(*coremask))
319 if (coremask[0] == '0' && ((coremask[1] == 'x')
320 || (coremask[1] == 'X')))
322 i = strlen(coremask);
323 while ((i > 0) && isblank(coremask[i - 1]))
329 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
331 if (isxdigit(c) == 0) {
332 /* invalid characters */
336 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE;
338 if ((1 << j) & val) {
339 /* handle master lcore already parsed */
340 uint32_t lcore = idx;
341 if (master_lcore_parsed &&
342 cfg->master_lcore == lcore) {
344 "Error: lcore %u is master lcore, cannot use as service core\n",
349 if (!lcore_config[idx].detected) {
351 "lcore %u unavailable\n", idx);
354 lcore_config[idx].core_role = ROLE_SERVICE;
361 if (coremask[i] != '0')
364 for (; idx < RTE_MAX_LCORE; idx++)
365 lcore_config[idx].core_index = -1;
370 cfg->service_lcore_count = count;
375 eal_parse_coremask(const char *coremask)
377 struct rte_config *cfg = rte_eal_get_configuration();
383 if (coremask == NULL)
385 /* Remove all blank characters ahead and after .
386 * Remove 0x/0X if exists.
388 while (isblank(*coremask))
390 if (coremask[0] == '0' && ((coremask[1] == 'x')
391 || (coremask[1] == 'X')))
393 i = strlen(coremask);
394 while ((i > 0) && isblank(coremask[i - 1]))
399 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
401 if (isxdigit(c) == 0) {
402 /* invalid characters */
406 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++)
408 if ((1 << j) & val) {
409 if (!lcore_config[idx].detected) {
410 RTE_LOG(ERR, EAL, "lcore %u "
411 "unavailable\n", idx);
414 cfg->lcore_role[idx] = ROLE_RTE;
415 lcore_config[idx].core_index = count;
418 cfg->lcore_role[idx] = ROLE_OFF;
419 lcore_config[idx].core_index = -1;
424 if (coremask[i] != '0')
426 for (; idx < RTE_MAX_LCORE; idx++) {
427 cfg->lcore_role[idx] = ROLE_OFF;
428 lcore_config[idx].core_index = -1;
432 /* Update the count of enabled logical cores of the EAL configuration */
433 cfg->lcore_count = count;
438 eal_parse_service_corelist(const char *corelist)
440 struct rte_config *cfg = rte_eal_get_configuration();
446 if (corelist == NULL)
449 /* Remove all blank characters ahead and after */
450 while (isblank(*corelist))
452 i = strlen(corelist);
453 while ((i > 0) && isblank(corelist[i - 1]))
456 /* Get list of cores */
459 while (isblank(*corelist))
461 if (*corelist == '\0')
464 idx = strtoul(corelist, &end, 10);
465 if (errno || end == NULL)
467 while (isblank(*end))
471 } else if ((*end == ',') || (*end == '\0')) {
473 if (min == RTE_MAX_LCORE)
475 for (idx = min; idx <= max; idx++) {
476 if (cfg->lcore_role[idx] != ROLE_SERVICE) {
477 /* handle master lcore already parsed */
478 uint32_t lcore = idx;
479 if (cfg->master_lcore == lcore &&
480 master_lcore_parsed) {
482 "Error: lcore %u is master lcore, cannot use as service core\n",
486 lcore_config[idx].core_role =
495 } while (*end != '\0');
504 eal_parse_corelist(const char *corelist)
506 struct rte_config *cfg = rte_eal_get_configuration();
512 if (corelist == NULL)
515 /* Remove all blank characters ahead and after */
516 while (isblank(*corelist))
518 i = strlen(corelist);
519 while ((i > 0) && isblank(corelist[i - 1]))
523 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
524 cfg->lcore_role[idx] = ROLE_OFF;
525 lcore_config[idx].core_index = -1;
528 /* Get list of cores */
531 while (isblank(*corelist))
533 if (*corelist == '\0')
536 idx = strtoul(corelist, &end, 10);
537 if (errno || end == NULL)
539 while (isblank(*end))
543 } else if ((*end == ',') || (*end == '\0')) {
545 if (min == RTE_MAX_LCORE)
547 for (idx = min; idx <= max; idx++) {
548 if (cfg->lcore_role[idx] != ROLE_RTE) {
549 cfg->lcore_role[idx] = ROLE_RTE;
550 lcore_config[idx].core_index = count;
558 } while (*end != '\0');
563 /* Update the count of enabled logical cores of the EAL configuration */
564 cfg->lcore_count = count;
569 /* Changes the lcore id of the master thread */
571 eal_parse_master_lcore(const char *arg)
574 struct rte_config *cfg = rte_eal_get_configuration();
577 cfg->master_lcore = (uint32_t) strtol(arg, &parsing_end, 0);
578 if (errno || parsing_end[0] != 0)
580 if (cfg->master_lcore >= RTE_MAX_LCORE)
582 master_lcore_parsed = 1;
584 /* ensure master core is not used as service core */
585 if (lcore_config[cfg->master_lcore].core_role == ROLE_SERVICE) {
586 RTE_LOG(ERR, EAL, "Error: Master lcore is used as a service core.\n");
594 * Parse elem, the elem could be single number/range or '(' ')' group
595 * 1) A single number elem, it's just a simple digit. e.g. 9
596 * 2) A single range elem, two digits with a '-' between. e.g. 2-6
597 * 3) A group elem, combines multiple 1) or 2) with '( )'. e.g (0,2-4,6)
598 * Within group elem, '-' used for a range separator;
599 * ',' used for a single number.
602 eal_parse_set(const char *input, uint16_t set[], unsigned num)
605 const char *str = input;
609 memset(set, 0, num * sizeof(uint16_t));
611 while (isblank(*str))
614 /* only digit or left bracket is qualify for start point */
615 if ((!isdigit(*str) && *str != '(') || *str == '\0')
618 /* process single number or single range of number */
621 idx = strtoul(str, &end, 10);
622 if (errno || end == NULL || idx >= num)
625 while (isblank(*end))
631 /* process single <number>-<number> */
633 while (isblank(*end))
639 idx = strtoul(end, &end, 10);
640 if (errno || end == NULL || idx >= num)
643 while (isblank(*end))
645 if (*end != ',' && *end != '\0')
649 if (*end != ',' && *end != '\0' &&
653 for (idx = RTE_MIN(min, max);
654 idx <= RTE_MAX(min, max); idx++)
661 /* process set within bracket */
663 while (isblank(*str))
671 /* go ahead to the first digit */
672 while (isblank(*str))
677 /* get the digit value */
679 idx = strtoul(str, &end, 10);
680 if (errno || end == NULL || idx >= num)
683 /* go ahead to separator '-',',' and ')' */
684 while (isblank(*end))
687 if (min == RTE_MAX_LCORE)
689 else /* avoid continuous '-' */
691 } else if ((*end == ',') || (*end == ')')) {
693 if (min == RTE_MAX_LCORE)
695 for (idx = RTE_MIN(min, max);
696 idx <= RTE_MAX(min, max); idx++)
704 } while (*end != '\0' && *end != ')');
707 * to avoid failure that tail blank makes end character check fail
708 * in eal_parse_lcores( )
710 while (isblank(*str))
716 /* convert from set array to cpuset bitmap */
718 convert_to_cpuset(rte_cpuset_t *cpusetp,
719 uint16_t *set, unsigned num)
725 for (idx = 0; idx < num; idx++) {
729 if (!lcore_config[idx].detected) {
730 RTE_LOG(ERR, EAL, "core %u "
731 "unavailable\n", idx);
735 CPU_SET(idx, cpusetp);
742 * The format pattern: --lcores='<lcores[@cpus]>[<,lcores[@cpus]>...]'
743 * lcores, cpus could be a single digit/range or a group.
744 * '(' and ')' are necessary if it's a group.
745 * If not supply '@cpus', the value of cpus uses the same as lcores.
746 * e.g. '1,2@(5-7),(3-5)@(0,2),(0,6),7-8' means start 9 EAL thread as below
747 * lcore 0 runs on cpuset 0x41 (cpu 0,6)
748 * lcore 1 runs on cpuset 0x2 (cpu 1)
749 * lcore 2 runs on cpuset 0xe0 (cpu 5,6,7)
750 * lcore 3,4,5 runs on cpuset 0x5 (cpu 0,2)
751 * lcore 6 runs on cpuset 0x41 (cpu 0,6)
752 * lcore 7 runs on cpuset 0x80 (cpu 7)
753 * lcore 8 runs on cpuset 0x100 (cpu 8)
756 eal_parse_lcores(const char *lcores)
758 struct rte_config *cfg = rte_eal_get_configuration();
759 static uint16_t set[RTE_MAX_LCORE];
762 const char *lcore_start = NULL;
763 const char *end = NULL;
772 /* Remove all blank characters ahead and after */
773 while (isblank(*lcores))
778 /* Reset lcore config */
779 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
780 cfg->lcore_role[idx] = ROLE_OFF;
781 lcore_config[idx].core_index = -1;
782 CPU_ZERO(&lcore_config[idx].cpuset);
785 /* Get list of cores */
787 while (isblank(*lcores))
794 /* record lcore_set start point */
795 lcore_start = lcores;
797 /* go across a complete bracket */
798 if (*lcore_start == '(') {
799 lcores += strcspn(lcores, ")");
800 if (*lcores++ == '\0')
804 /* scan the separator '@', ','(next) or '\0'(finish) */
805 lcores += strcspn(lcores, "@,");
807 if (*lcores == '@') {
808 /* explicit assign cpu_set */
809 offset = eal_parse_set(lcores + 1, set, RTE_DIM(set));
813 /* prepare cpu_set and update the end cursor */
814 if (0 > convert_to_cpuset(&cpuset,
817 end = lcores + 1 + offset;
818 } else { /* ',' or '\0' */
819 /* haven't given cpu_set, current loop done */
822 /* go back to check <number>-<number> */
823 offset = strcspn(lcore_start, "(-");
824 if (offset < (end - lcore_start) &&
825 *(lcore_start + offset) != '(')
829 if (*end != ',' && *end != '\0')
832 /* parse lcore_set from start point */
833 if (0 > eal_parse_set(lcore_start, set, RTE_DIM(set)))
836 /* without '@', by default using lcore_set as cpu_set */
837 if (*lcores != '@' &&
838 0 > convert_to_cpuset(&cpuset, set, RTE_DIM(set)))
841 /* start to update lcore_set */
842 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
846 if (cfg->lcore_role[idx] != ROLE_RTE) {
847 lcore_config[idx].core_index = count;
848 cfg->lcore_role[idx] = ROLE_RTE;
854 CPU_SET(idx, &cpuset);
856 rte_memcpy(&lcore_config[idx].cpuset, &cpuset,
857 sizeof(rte_cpuset_t));
861 } while (*end != '\0');
866 cfg->lcore_count = count;
875 eal_parse_syslog(const char *facility, struct internal_config *conf)
882 { "auth", LOG_AUTH },
883 { "cron", LOG_CRON },
884 { "daemon", LOG_DAEMON },
886 { "kern", LOG_KERN },
888 { "mail", LOG_MAIL },
889 { "news", LOG_NEWS },
890 { "syslog", LOG_SYSLOG },
891 { "user", LOG_USER },
892 { "uucp", LOG_UUCP },
893 { "local0", LOG_LOCAL0 },
894 { "local1", LOG_LOCAL1 },
895 { "local2", LOG_LOCAL2 },
896 { "local3", LOG_LOCAL3 },
897 { "local4", LOG_LOCAL4 },
898 { "local5", LOG_LOCAL5 },
899 { "local6", LOG_LOCAL6 },
900 { "local7", LOG_LOCAL7 },
904 for (i = 0; map[i].name; i++) {
905 if (!strcmp(facility, map[i].name)) {
906 conf->syslog_facility = map[i].value;
914 eal_parse_log_level(const char *arg)
916 char *end, *str, *type, *level;
923 if (strchr(str, ',') == NULL) {
927 type = strsep(&str, ",");
928 level = strsep(&str, ",");
932 tmp = strtoul(level, &end, 0);
934 /* check for errors */
935 if ((errno != 0) || (level[0] == '\0') ||
936 end == NULL || (*end != '\0'))
939 /* log_level is a uint32_t */
940 if (tmp >= UINT32_MAX)
944 rte_log_set_global_level(tmp);
945 } else if (rte_log_set_level_regexp(type, tmp) < 0) {
946 printf("cannot set log level %s,%lu\n",
959 static enum rte_proc_type_t
960 eal_parse_proc_type(const char *arg)
962 if (strncasecmp(arg, "primary", sizeof("primary")) == 0)
963 return RTE_PROC_PRIMARY;
964 if (strncasecmp(arg, "secondary", sizeof("secondary")) == 0)
965 return RTE_PROC_SECONDARY;
966 if (strncasecmp(arg, "auto", sizeof("auto")) == 0)
967 return RTE_PROC_AUTO;
969 return RTE_PROC_INVALID;
973 eal_parse_common_option(int opt, const char *optarg,
974 struct internal_config *conf)
984 if (eal_option_device_add(RTE_DEVTYPE_BLACKLISTED_PCI,
994 if (eal_option_device_add(RTE_DEVTYPE_WHITELISTED_PCI,
1002 if (eal_parse_coremask(optarg) < 0) {
1003 RTE_LOG(ERR, EAL, "invalid coremask\n");
1008 RTE_LOG(ERR, EAL, "Option -c is ignored, because (%s) is set!\n",
1009 (core_parsed == LCORE_OPT_LST) ? "-l" :
1010 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1015 core_parsed = LCORE_OPT_MSK;
1019 if (eal_parse_corelist(optarg) < 0) {
1020 RTE_LOG(ERR, EAL, "invalid core list\n");
1025 RTE_LOG(ERR, EAL, "Option -l is ignored, because (%s) is set!\n",
1026 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1027 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1032 core_parsed = LCORE_OPT_LST;
1034 /* service coremask */
1036 if (eal_parse_service_coremask(optarg) < 0) {
1037 RTE_LOG(ERR, EAL, "invalid service coremask\n");
1041 /* service corelist */
1043 if (eal_parse_service_corelist(optarg) < 0) {
1044 RTE_LOG(ERR, EAL, "invalid service core list\n");
1048 /* size of memory */
1050 conf->memory = atoi(optarg);
1051 conf->memory *= 1024ULL;
1052 conf->memory *= 1024ULL;
1055 /* force number of channels */
1057 conf->force_nchannel = atoi(optarg);
1058 if (conf->force_nchannel == 0) {
1059 RTE_LOG(ERR, EAL, "invalid channel number\n");
1063 /* force number of ranks */
1065 conf->force_nrank = atoi(optarg);
1066 if (conf->force_nrank == 0 ||
1067 conf->force_nrank > 16) {
1068 RTE_LOG(ERR, EAL, "invalid rank number\n");
1072 /* force loading of external driver */
1074 if (eal_plugin_add(optarg) == -1)
1078 /* since message is explicitly requested by user, we
1079 * write message at highest log level so it can always
1081 * even if info or warning messages are disabled */
1082 RTE_LOG(CRIT, EAL, "RTE Version: '%s'\n", rte_version());
1086 case OPT_HUGE_UNLINK_NUM:
1087 conf->hugepage_unlink = 1;
1090 case OPT_NO_HUGE_NUM:
1091 conf->no_hugetlbfs = 1;
1094 case OPT_NO_PCI_NUM:
1098 case OPT_NO_HPET_NUM:
1102 case OPT_VMWARE_TSC_MAP_NUM:
1103 conf->vmware_tsc_map = 1;
1106 case OPT_NO_SHCONF_NUM:
1107 conf->no_shconf = 1;
1110 case OPT_PROC_TYPE_NUM:
1111 conf->process_type = eal_parse_proc_type(optarg);
1114 case OPT_MASTER_LCORE_NUM:
1115 if (eal_parse_master_lcore(optarg) < 0) {
1116 RTE_LOG(ERR, EAL, "invalid parameter for --"
1117 OPT_MASTER_LCORE "\n");
1123 if (eal_option_device_add(RTE_DEVTYPE_VIRTUAL,
1129 case OPT_SYSLOG_NUM:
1130 if (eal_parse_syslog(optarg, conf) < 0) {
1131 RTE_LOG(ERR, EAL, "invalid parameters for --"
1137 case OPT_LOG_LEVEL_NUM: {
1138 if (eal_parse_log_level(optarg) < 0) {
1140 "invalid parameters for --"
1141 OPT_LOG_LEVEL "\n");
1146 case OPT_LCORES_NUM:
1147 if (eal_parse_lcores(optarg) < 0) {
1148 RTE_LOG(ERR, EAL, "invalid parameter for --"
1154 RTE_LOG(ERR, EAL, "Option --lcore is ignored, because (%s) is set!\n",
1155 (core_parsed == LCORE_OPT_LST) ? "-l" :
1156 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1161 core_parsed = LCORE_OPT_MAP;
1164 /* don't know what to do, leave this to caller */
1172 RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) "
1173 "cannot be used at the same time\n");
1178 eal_auto_detect_cores(struct rte_config *cfg)
1180 unsigned int lcore_id;
1181 unsigned int removed = 0;
1182 rte_cpuset_t affinity_set;
1183 pthread_t tid = pthread_self();
1185 if (pthread_getaffinity_np(tid, sizeof(rte_cpuset_t),
1187 CPU_ZERO(&affinity_set);
1189 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1190 if (cfg->lcore_role[lcore_id] == ROLE_RTE &&
1191 !CPU_ISSET(lcore_id, &affinity_set)) {
1192 cfg->lcore_role[lcore_id] = ROLE_OFF;
1197 cfg->lcore_count -= removed;
1201 eal_adjust_config(struct internal_config *internal_cfg)
1204 struct rte_config *cfg = rte_eal_get_configuration();
1207 eal_auto_detect_cores(cfg);
1209 if (internal_config.process_type == RTE_PROC_AUTO)
1210 internal_config.process_type = eal_proc_type_detect();
1212 /* default master lcore is the first one */
1213 if (!master_lcore_parsed) {
1214 cfg->master_lcore = rte_get_next_lcore(-1, 0, 0);
1215 lcore_config[cfg->master_lcore].core_role = ROLE_RTE;
1218 /* if no memory amounts were requested, this will result in 0 and
1219 * will be overridden later, right after eal_hugepage_info_init() */
1220 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
1221 internal_cfg->memory += internal_cfg->socket_mem[i];
1227 eal_check_common_options(struct internal_config *internal_cfg)
1229 struct rte_config *cfg = rte_eal_get_configuration();
1231 if (cfg->lcore_role[cfg->master_lcore] != ROLE_RTE) {
1232 RTE_LOG(ERR, EAL, "Master lcore is not enabled for DPDK\n");
1236 if (internal_cfg->process_type == RTE_PROC_INVALID) {
1237 RTE_LOG(ERR, EAL, "Invalid process type specified\n");
1240 if (index(internal_cfg->hugefile_prefix, '%') != NULL) {
1241 RTE_LOG(ERR, EAL, "Invalid char, '%%', in --"OPT_FILE_PREFIX" "
1245 if (mem_parsed && internal_cfg->force_sockets == 1) {
1246 RTE_LOG(ERR, EAL, "Options -m and --"OPT_SOCKET_MEM" cannot "
1247 "be specified at the same time\n");
1250 if (internal_cfg->no_hugetlbfs && internal_cfg->force_sockets == 1) {
1251 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_MEM" cannot "
1252 "be specified together with --"OPT_NO_HUGE"\n");
1256 if (internal_cfg->no_hugetlbfs && internal_cfg->hugepage_unlink) {
1257 RTE_LOG(ERR, EAL, "Option --"OPT_HUGE_UNLINK" cannot "
1258 "be specified together with --"OPT_NO_HUGE"\n");
1266 eal_common_usage(void)
1268 printf("[options]\n\n"
1269 "EAL common options:\n"
1270 " -c COREMASK Hexadecimal bitmask of cores to run on\n"
1271 " -l CORELIST List of cores to run on\n"
1272 " The argument format is <c1>[-c2][,c3[-c4],...]\n"
1273 " where c1, c2, etc are core indexes between 0 and %d\n"
1274 " --"OPT_LCORES" COREMAP Map lcore set to physical cpu set\n"
1275 " The argument format is\n"
1276 " '<lcores[@cpus]>[<,lcores[@cpus]>...]'\n"
1277 " lcores and cpus list are grouped by '(' and ')'\n"
1278 " Within the group, '-' is used for range separator,\n"
1279 " ',' is used for single number separator.\n"
1280 " '( )' can be omitted for single element group,\n"
1281 " '@' can be omitted if cpus and lcores have the same value\n"
1282 " -s SERVICE COREMASK Hexadecimal bitmask of cores to be used as service cores\n"
1283 " --"OPT_MASTER_LCORE" ID Core ID that is used as master\n"
1284 " --"OPT_MBUF_POOL_OPS_NAME" Pool ops name for mbuf to use\n"
1285 " -n CHANNELS Number of memory channels\n"
1286 " -m MB Memory to allocate (see also --"OPT_SOCKET_MEM")\n"
1287 " -r RANKS Force number of memory ranks (don't detect)\n"
1288 " -b, --"OPT_PCI_BLACKLIST" Add a PCI device in black list.\n"
1289 " Prevent EAL from using this PCI device. The argument\n"
1290 " format is <domain:bus:devid.func>.\n"
1291 " -w, --"OPT_PCI_WHITELIST" Add a PCI device in white list.\n"
1292 " Only use the specified PCI devices. The argument format\n"
1293 " is <[domain:]bus:devid.func>. This option can be present\n"
1294 " several times (once per device).\n"
1295 " [NOTE: PCI whitelist cannot be used with -b option]\n"
1296 " --"OPT_VDEV" Add a virtual device.\n"
1297 " The argument format is <driver><id>[,key=val,...]\n"
1298 " (ex: --vdev=net_pcap0,iface=eth2).\n"
1299 " -d LIB.so|DIR Add a driver or driver directory\n"
1300 " (can be used multiple times)\n"
1301 " --"OPT_VMWARE_TSC_MAP" Use VMware TSC map instead of native RDTSC\n"
1302 " --"OPT_PROC_TYPE" Type of this process (primary|secondary|auto)\n"
1303 " --"OPT_SYSLOG" Set syslog facility\n"
1304 " --"OPT_LOG_LEVEL"=<int> Set global log level\n"
1305 " --"OPT_LOG_LEVEL"=<type-regexp>,<int>\n"
1306 " Set specific log level\n"
1307 " -v Display version information on startup\n"
1308 " -h, --help This help\n"
1309 "\nEAL options for DEBUG use only:\n"
1310 " --"OPT_HUGE_UNLINK" Unlink hugepage files after init\n"
1311 " --"OPT_NO_HUGE" Use malloc instead of hugetlbfs\n"
1312 " --"OPT_NO_PCI" Disable PCI\n"
1313 " --"OPT_NO_HPET" Disable HPET\n"
1314 " --"OPT_NO_SHCONF" No shared config (mmap'd files)\n"
1315 "\n", RTE_MAX_LCORE);