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 },
76 {OPT_LEGACY_MEM, 0, NULL, OPT_LEGACY_MEM_NUM },
80 TAILQ_HEAD(shared_driver_list, shared_driver);
82 /* Definition for shared object drivers. */
83 struct shared_driver {
84 TAILQ_ENTRY(shared_driver) next;
90 /* List of external loadable drivers */
91 static struct shared_driver_list solib_list =
92 TAILQ_HEAD_INITIALIZER(solib_list);
94 /* Default path of external loadable drivers */
95 static const char *default_solib_dir = RTE_EAL_PMD_PATH;
98 * Stringified version of solib path used by dpdk-pmdinfo.py
99 * Note: PLEASE DO NOT ALTER THIS without making a corresponding
100 * change to usertools/dpdk-pmdinfo.py
102 static const char dpdk_solib_path[] __attribute__((used)) =
103 "DPDK_PLUGIN_PATH=" RTE_EAL_PMD_PATH;
105 TAILQ_HEAD(device_option_list, device_option);
107 struct device_option {
108 TAILQ_ENTRY(device_option) next;
110 enum rte_devtype type;
114 static struct device_option_list devopt_list =
115 TAILQ_HEAD_INITIALIZER(devopt_list);
117 static int master_lcore_parsed;
118 static int mem_parsed;
119 static int core_parsed;
122 eal_option_device_add(enum rte_devtype type, const char *optarg)
124 struct device_option *devopt;
128 optlen = strlen(optarg) + 1;
129 devopt = calloc(1, sizeof(*devopt) + optlen);
130 if (devopt == NULL) {
131 RTE_LOG(ERR, EAL, "Unable to allocate device option\n");
136 ret = snprintf(devopt->arg, optlen, "%s", optarg);
138 RTE_LOG(ERR, EAL, "Unable to copy device option\n");
142 TAILQ_INSERT_TAIL(&devopt_list, devopt, next);
147 eal_option_device_parse(void)
149 struct device_option *devopt;
153 TAILQ_FOREACH_SAFE(devopt, &devopt_list, next, tmp) {
155 ret = rte_eal_devargs_add(devopt->type, devopt->arg);
157 RTE_LOG(ERR, EAL, "Unable to parse device '%s'\n",
160 TAILQ_REMOVE(&devopt_list, devopt, next);
167 eal_reset_internal_config(struct internal_config *internal_cfg)
171 internal_cfg->memory = 0;
172 internal_cfg->force_nrank = 0;
173 internal_cfg->force_nchannel = 0;
174 internal_cfg->hugefile_prefix = HUGEFILE_PREFIX_DEFAULT;
175 internal_cfg->hugepage_dir = NULL;
176 internal_cfg->force_sockets = 0;
177 /* zero out the NUMA config */
178 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
179 internal_cfg->socket_mem[i] = 0;
180 /* zero out hugedir descriptors */
181 for (i = 0; i < MAX_HUGEPAGE_SIZES; i++)
182 internal_cfg->hugepage_info[i].lock_descriptor = -1;
183 internal_cfg->base_virtaddr = 0;
185 internal_cfg->syslog_facility = LOG_DAEMON;
187 /* if set to NONE, interrupt mode is determined automatically */
188 internal_cfg->vfio_intr_mode = RTE_INTR_MODE_NONE;
190 #ifdef RTE_LIBEAL_USE_HPET
191 internal_cfg->no_hpet = 0;
193 internal_cfg->no_hpet = 1;
195 internal_cfg->vmware_tsc_map = 0;
196 internal_cfg->create_uio_dev = 0;
197 internal_cfg->user_mbuf_pool_ops_name = NULL;
198 internal_cfg->init_complete = 0;
202 eal_plugin_add(const char *path)
204 struct shared_driver *solib;
206 solib = malloc(sizeof(*solib));
208 RTE_LOG(ERR, EAL, "malloc(solib) failed\n");
211 memset(solib, 0, sizeof(*solib));
212 strncpy(solib->name, path, PATH_MAX-1);
213 solib->name[PATH_MAX-1] = 0;
214 TAILQ_INSERT_TAIL(&solib_list, solib, next);
220 eal_plugindir_init(const char *path)
223 struct dirent *dent = NULL;
224 char sopath[PATH_MAX];
226 if (path == NULL || *path == '\0')
231 RTE_LOG(ERR, EAL, "failed to open directory %s: %s\n",
232 path, strerror(errno));
236 while ((dent = readdir(d)) != NULL) {
239 snprintf(sopath, PATH_MAX-1, "%s/%s", path, dent->d_name);
240 sopath[PATH_MAX-1] = 0;
242 if (!(stat(sopath, &sb) == 0 && S_ISREG(sb.st_mode)))
245 if (eal_plugin_add(sopath) == -1)
250 /* XXX this ignores failures from readdir() itself */
251 return (dent == NULL) ? 0 : -1;
255 eal_plugins_init(void)
257 struct shared_driver *solib = NULL;
260 if (*default_solib_dir != '\0' && stat(default_solib_dir, &sb) == 0 &&
262 eal_plugin_add(default_solib_dir);
264 TAILQ_FOREACH(solib, &solib_list, next) {
266 if (stat(solib->name, &sb) == 0 && S_ISDIR(sb.st_mode)) {
267 if (eal_plugindir_init(solib->name) == -1) {
269 "Cannot init plugin directory %s\n",
274 RTE_LOG(DEBUG, EAL, "open shared lib %s\n",
276 solib->lib_handle = dlopen(solib->name, RTLD_NOW);
277 if (solib->lib_handle == NULL) {
278 RTE_LOG(ERR, EAL, "%s\n", dlerror());
288 * Parse the coremask given as argument (hexadecimal string) and fill
289 * the global configuration (core role and core count) with the parsed
292 static int xdigit2val(unsigned char c)
306 eal_parse_service_coremask(const char *coremask)
308 struct rte_config *cfg = rte_eal_get_configuration();
310 unsigned int count = 0;
314 if (coremask == NULL)
316 /* Remove all blank characters ahead and after .
317 * Remove 0x/0X if exists.
319 while (isblank(*coremask))
321 if (coremask[0] == '0' && ((coremask[1] == 'x')
322 || (coremask[1] == 'X')))
324 i = strlen(coremask);
325 while ((i > 0) && isblank(coremask[i - 1]))
331 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
333 if (isxdigit(c) == 0) {
334 /* invalid characters */
338 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE;
340 if ((1 << j) & val) {
341 /* handle master lcore already parsed */
342 uint32_t lcore = idx;
343 if (master_lcore_parsed &&
344 cfg->master_lcore == lcore) {
346 "Error: lcore %u is master lcore, cannot use as service core\n",
351 if (!lcore_config[idx].detected) {
353 "lcore %u unavailable\n", idx);
356 lcore_config[idx].core_role = ROLE_SERVICE;
363 if (coremask[i] != '0')
366 for (; idx < RTE_MAX_LCORE; idx++)
367 lcore_config[idx].core_index = -1;
372 cfg->service_lcore_count = count;
377 eal_parse_coremask(const char *coremask)
379 struct rte_config *cfg = rte_eal_get_configuration();
385 if (coremask == NULL)
387 /* Remove all blank characters ahead and after .
388 * Remove 0x/0X if exists.
390 while (isblank(*coremask))
392 if (coremask[0] == '0' && ((coremask[1] == 'x')
393 || (coremask[1] == 'X')))
395 i = strlen(coremask);
396 while ((i > 0) && isblank(coremask[i - 1]))
401 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
403 if (isxdigit(c) == 0) {
404 /* invalid characters */
408 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++)
410 if ((1 << j) & val) {
411 if (!lcore_config[idx].detected) {
412 RTE_LOG(ERR, EAL, "lcore %u "
413 "unavailable\n", idx);
416 cfg->lcore_role[idx] = ROLE_RTE;
417 lcore_config[idx].core_index = count;
420 cfg->lcore_role[idx] = ROLE_OFF;
421 lcore_config[idx].core_index = -1;
426 if (coremask[i] != '0')
428 for (; idx < RTE_MAX_LCORE; idx++) {
429 cfg->lcore_role[idx] = ROLE_OFF;
430 lcore_config[idx].core_index = -1;
434 /* Update the count of enabled logical cores of the EAL configuration */
435 cfg->lcore_count = count;
440 eal_parse_service_corelist(const char *corelist)
442 struct rte_config *cfg = rte_eal_get_configuration();
448 if (corelist == NULL)
451 /* Remove all blank characters ahead and after */
452 while (isblank(*corelist))
454 i = strlen(corelist);
455 while ((i > 0) && isblank(corelist[i - 1]))
458 /* Get list of cores */
461 while (isblank(*corelist))
463 if (*corelist == '\0')
466 idx = strtoul(corelist, &end, 10);
467 if (errno || end == NULL)
469 while (isblank(*end))
473 } else if ((*end == ',') || (*end == '\0')) {
475 if (min == RTE_MAX_LCORE)
477 for (idx = min; idx <= max; idx++) {
478 if (cfg->lcore_role[idx] != ROLE_SERVICE) {
479 /* handle master lcore already parsed */
480 uint32_t lcore = idx;
481 if (cfg->master_lcore == lcore &&
482 master_lcore_parsed) {
484 "Error: lcore %u is master lcore, cannot use as service core\n",
488 lcore_config[idx].core_role =
497 } while (*end != '\0');
506 eal_parse_corelist(const char *corelist)
508 struct rte_config *cfg = rte_eal_get_configuration();
514 if (corelist == NULL)
517 /* Remove all blank characters ahead and after */
518 while (isblank(*corelist))
520 i = strlen(corelist);
521 while ((i > 0) && isblank(corelist[i - 1]))
525 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
526 cfg->lcore_role[idx] = ROLE_OFF;
527 lcore_config[idx].core_index = -1;
530 /* Get list of cores */
533 while (isblank(*corelist))
535 if (*corelist == '\0')
538 idx = strtoul(corelist, &end, 10);
539 if (errno || end == NULL)
541 while (isblank(*end))
545 } else if ((*end == ',') || (*end == '\0')) {
547 if (min == RTE_MAX_LCORE)
549 for (idx = min; idx <= max; idx++) {
550 if (cfg->lcore_role[idx] != ROLE_RTE) {
551 cfg->lcore_role[idx] = ROLE_RTE;
552 lcore_config[idx].core_index = count;
560 } while (*end != '\0');
565 /* Update the count of enabled logical cores of the EAL configuration */
566 cfg->lcore_count = count;
571 /* Changes the lcore id of the master thread */
573 eal_parse_master_lcore(const char *arg)
576 struct rte_config *cfg = rte_eal_get_configuration();
579 cfg->master_lcore = (uint32_t) strtol(arg, &parsing_end, 0);
580 if (errno || parsing_end[0] != 0)
582 if (cfg->master_lcore >= RTE_MAX_LCORE)
584 master_lcore_parsed = 1;
586 /* ensure master core is not used as service core */
587 if (lcore_config[cfg->master_lcore].core_role == ROLE_SERVICE) {
588 RTE_LOG(ERR, EAL, "Error: Master lcore is used as a service core.\n");
596 * Parse elem, the elem could be single number/range or '(' ')' group
597 * 1) A single number elem, it's just a simple digit. e.g. 9
598 * 2) A single range elem, two digits with a '-' between. e.g. 2-6
599 * 3) A group elem, combines multiple 1) or 2) with '( )'. e.g (0,2-4,6)
600 * Within group elem, '-' used for a range separator;
601 * ',' used for a single number.
604 eal_parse_set(const char *input, uint16_t set[], unsigned num)
607 const char *str = input;
611 memset(set, 0, num * sizeof(uint16_t));
613 while (isblank(*str))
616 /* only digit or left bracket is qualify for start point */
617 if ((!isdigit(*str) && *str != '(') || *str == '\0')
620 /* process single number or single range of number */
623 idx = strtoul(str, &end, 10);
624 if (errno || end == NULL || idx >= num)
627 while (isblank(*end))
633 /* process single <number>-<number> */
635 while (isblank(*end))
641 idx = strtoul(end, &end, 10);
642 if (errno || end == NULL || idx >= num)
645 while (isblank(*end))
647 if (*end != ',' && *end != '\0')
651 if (*end != ',' && *end != '\0' &&
655 for (idx = RTE_MIN(min, max);
656 idx <= RTE_MAX(min, max); idx++)
663 /* process set within bracket */
665 while (isblank(*str))
673 /* go ahead to the first digit */
674 while (isblank(*str))
679 /* get the digit value */
681 idx = strtoul(str, &end, 10);
682 if (errno || end == NULL || idx >= num)
685 /* go ahead to separator '-',',' and ')' */
686 while (isblank(*end))
689 if (min == RTE_MAX_LCORE)
691 else /* avoid continuous '-' */
693 } else if ((*end == ',') || (*end == ')')) {
695 if (min == RTE_MAX_LCORE)
697 for (idx = RTE_MIN(min, max);
698 idx <= RTE_MAX(min, max); idx++)
706 } while (*end != '\0' && *end != ')');
709 * to avoid failure that tail blank makes end character check fail
710 * in eal_parse_lcores( )
712 while (isblank(*str))
718 /* convert from set array to cpuset bitmap */
720 convert_to_cpuset(rte_cpuset_t *cpusetp,
721 uint16_t *set, unsigned num)
727 for (idx = 0; idx < num; idx++) {
731 if (!lcore_config[idx].detected) {
732 RTE_LOG(ERR, EAL, "core %u "
733 "unavailable\n", idx);
737 CPU_SET(idx, cpusetp);
744 * The format pattern: --lcores='<lcores[@cpus]>[<,lcores[@cpus]>...]'
745 * lcores, cpus could be a single digit/range or a group.
746 * '(' and ')' are necessary if it's a group.
747 * If not supply '@cpus', the value of cpus uses the same as lcores.
748 * e.g. '1,2@(5-7),(3-5)@(0,2),(0,6),7-8' means start 9 EAL thread as below
749 * lcore 0 runs on cpuset 0x41 (cpu 0,6)
750 * lcore 1 runs on cpuset 0x2 (cpu 1)
751 * lcore 2 runs on cpuset 0xe0 (cpu 5,6,7)
752 * lcore 3,4,5 runs on cpuset 0x5 (cpu 0,2)
753 * lcore 6 runs on cpuset 0x41 (cpu 0,6)
754 * lcore 7 runs on cpuset 0x80 (cpu 7)
755 * lcore 8 runs on cpuset 0x100 (cpu 8)
758 eal_parse_lcores(const char *lcores)
760 struct rte_config *cfg = rte_eal_get_configuration();
761 static uint16_t set[RTE_MAX_LCORE];
764 const char *lcore_start = NULL;
765 const char *end = NULL;
774 /* Remove all blank characters ahead and after */
775 while (isblank(*lcores))
780 /* Reset lcore config */
781 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
782 cfg->lcore_role[idx] = ROLE_OFF;
783 lcore_config[idx].core_index = -1;
784 CPU_ZERO(&lcore_config[idx].cpuset);
787 /* Get list of cores */
789 while (isblank(*lcores))
796 /* record lcore_set start point */
797 lcore_start = lcores;
799 /* go across a complete bracket */
800 if (*lcore_start == '(') {
801 lcores += strcspn(lcores, ")");
802 if (*lcores++ == '\0')
806 /* scan the separator '@', ','(next) or '\0'(finish) */
807 lcores += strcspn(lcores, "@,");
809 if (*lcores == '@') {
810 /* explicit assign cpu_set */
811 offset = eal_parse_set(lcores + 1, set, RTE_DIM(set));
815 /* prepare cpu_set and update the end cursor */
816 if (0 > convert_to_cpuset(&cpuset,
819 end = lcores + 1 + offset;
820 } else { /* ',' or '\0' */
821 /* haven't given cpu_set, current loop done */
824 /* go back to check <number>-<number> */
825 offset = strcspn(lcore_start, "(-");
826 if (offset < (end - lcore_start) &&
827 *(lcore_start + offset) != '(')
831 if (*end != ',' && *end != '\0')
834 /* parse lcore_set from start point */
835 if (0 > eal_parse_set(lcore_start, set, RTE_DIM(set)))
838 /* without '@', by default using lcore_set as cpu_set */
839 if (*lcores != '@' &&
840 0 > convert_to_cpuset(&cpuset, set, RTE_DIM(set)))
843 /* start to update lcore_set */
844 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
848 if (cfg->lcore_role[idx] != ROLE_RTE) {
849 lcore_config[idx].core_index = count;
850 cfg->lcore_role[idx] = ROLE_RTE;
856 CPU_SET(idx, &cpuset);
858 rte_memcpy(&lcore_config[idx].cpuset, &cpuset,
859 sizeof(rte_cpuset_t));
863 } while (*end != '\0');
868 cfg->lcore_count = count;
877 eal_parse_syslog(const char *facility, struct internal_config *conf)
884 { "auth", LOG_AUTH },
885 { "cron", LOG_CRON },
886 { "daemon", LOG_DAEMON },
888 { "kern", LOG_KERN },
890 { "mail", LOG_MAIL },
891 { "news", LOG_NEWS },
892 { "syslog", LOG_SYSLOG },
893 { "user", LOG_USER },
894 { "uucp", LOG_UUCP },
895 { "local0", LOG_LOCAL0 },
896 { "local1", LOG_LOCAL1 },
897 { "local2", LOG_LOCAL2 },
898 { "local3", LOG_LOCAL3 },
899 { "local4", LOG_LOCAL4 },
900 { "local5", LOG_LOCAL5 },
901 { "local6", LOG_LOCAL6 },
902 { "local7", LOG_LOCAL7 },
906 for (i = 0; map[i].name; i++) {
907 if (!strcmp(facility, map[i].name)) {
908 conf->syslog_facility = map[i].value;
916 eal_parse_log_level(const char *arg)
918 char *end, *str, *type, *level;
925 if (strchr(str, ',') == NULL) {
929 type = strsep(&str, ",");
930 level = strsep(&str, ",");
934 tmp = strtoul(level, &end, 0);
936 /* check for errors */
937 if ((errno != 0) || (level[0] == '\0') ||
938 end == NULL || (*end != '\0'))
941 /* log_level is a uint32_t */
942 if (tmp >= UINT32_MAX)
946 rte_log_set_global_level(tmp);
947 } else if (rte_log_set_level_regexp(type, tmp) < 0) {
948 printf("cannot set log level %s,%lu\n",
952 struct rte_eal_opt_loglevel *opt_ll;
955 * Save the type (regexp string) and the loglevel
956 * in the global storage so that it could be used
957 * to configure dynamic logtypes which are absent
958 * at the moment of EAL option processing but may
959 * be registered during runtime.
961 opt_ll = malloc(sizeof(*opt_ll));
965 opt_ll->re_type = strdup(type);
966 if (opt_ll->re_type == NULL) {
973 TAILQ_INSERT_HEAD(&opt_loglevel_list, opt_ll, next);
984 static enum rte_proc_type_t
985 eal_parse_proc_type(const char *arg)
987 if (strncasecmp(arg, "primary", sizeof("primary")) == 0)
988 return RTE_PROC_PRIMARY;
989 if (strncasecmp(arg, "secondary", sizeof("secondary")) == 0)
990 return RTE_PROC_SECONDARY;
991 if (strncasecmp(arg, "auto", sizeof("auto")) == 0)
992 return RTE_PROC_AUTO;
994 return RTE_PROC_INVALID;
998 eal_parse_common_option(int opt, const char *optarg,
999 struct internal_config *conf)
1009 if (eal_option_device_add(RTE_DEVTYPE_BLACKLISTED_PCI,
1019 if (eal_option_device_add(RTE_DEVTYPE_WHITELISTED_PCI,
1027 if (eal_parse_coremask(optarg) < 0) {
1028 RTE_LOG(ERR, EAL, "invalid coremask\n");
1033 RTE_LOG(ERR, EAL, "Option -c is ignored, because (%s) is set!\n",
1034 (core_parsed == LCORE_OPT_LST) ? "-l" :
1035 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1040 core_parsed = LCORE_OPT_MSK;
1044 if (eal_parse_corelist(optarg) < 0) {
1045 RTE_LOG(ERR, EAL, "invalid core list\n");
1050 RTE_LOG(ERR, EAL, "Option -l is ignored, because (%s) is set!\n",
1051 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1052 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1057 core_parsed = LCORE_OPT_LST;
1059 /* service coremask */
1061 if (eal_parse_service_coremask(optarg) < 0) {
1062 RTE_LOG(ERR, EAL, "invalid service coremask\n");
1066 /* service corelist */
1068 if (eal_parse_service_corelist(optarg) < 0) {
1069 RTE_LOG(ERR, EAL, "invalid service core list\n");
1073 /* size of memory */
1075 conf->memory = atoi(optarg);
1076 conf->memory *= 1024ULL;
1077 conf->memory *= 1024ULL;
1080 /* force number of channels */
1082 conf->force_nchannel = atoi(optarg);
1083 if (conf->force_nchannel == 0) {
1084 RTE_LOG(ERR, EAL, "invalid channel number\n");
1088 /* force number of ranks */
1090 conf->force_nrank = atoi(optarg);
1091 if (conf->force_nrank == 0 ||
1092 conf->force_nrank > 16) {
1093 RTE_LOG(ERR, EAL, "invalid rank number\n");
1097 /* force loading of external driver */
1099 if (eal_plugin_add(optarg) == -1)
1103 /* since message is explicitly requested by user, we
1104 * write message at highest log level so it can always
1106 * even if info or warning messages are disabled */
1107 RTE_LOG(CRIT, EAL, "RTE Version: '%s'\n", rte_version());
1111 case OPT_HUGE_UNLINK_NUM:
1112 conf->hugepage_unlink = 1;
1115 case OPT_NO_HUGE_NUM:
1116 conf->no_hugetlbfs = 1;
1117 /* no-huge is legacy mem */
1118 conf->legacy_mem = 1;
1121 case OPT_NO_PCI_NUM:
1125 case OPT_NO_HPET_NUM:
1129 case OPT_VMWARE_TSC_MAP_NUM:
1130 conf->vmware_tsc_map = 1;
1133 case OPT_NO_SHCONF_NUM:
1134 conf->no_shconf = 1;
1137 case OPT_PROC_TYPE_NUM:
1138 conf->process_type = eal_parse_proc_type(optarg);
1141 case OPT_MASTER_LCORE_NUM:
1142 if (eal_parse_master_lcore(optarg) < 0) {
1143 RTE_LOG(ERR, EAL, "invalid parameter for --"
1144 OPT_MASTER_LCORE "\n");
1150 if (eal_option_device_add(RTE_DEVTYPE_VIRTUAL,
1156 case OPT_SYSLOG_NUM:
1157 if (eal_parse_syslog(optarg, conf) < 0) {
1158 RTE_LOG(ERR, EAL, "invalid parameters for --"
1164 case OPT_LOG_LEVEL_NUM: {
1165 if (eal_parse_log_level(optarg) < 0) {
1167 "invalid parameters for --"
1168 OPT_LOG_LEVEL "\n");
1173 case OPT_LCORES_NUM:
1174 if (eal_parse_lcores(optarg) < 0) {
1175 RTE_LOG(ERR, EAL, "invalid parameter for --"
1181 RTE_LOG(ERR, EAL, "Option --lcore is ignored, because (%s) is set!\n",
1182 (core_parsed == LCORE_OPT_LST) ? "-l" :
1183 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1188 core_parsed = LCORE_OPT_MAP;
1190 case OPT_LEGACY_MEM_NUM:
1191 conf->legacy_mem = 1;
1194 /* don't know what to do, leave this to caller */
1202 RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) "
1203 "cannot be used at the same time\n");
1208 eal_auto_detect_cores(struct rte_config *cfg)
1210 unsigned int lcore_id;
1211 unsigned int removed = 0;
1212 rte_cpuset_t affinity_set;
1213 pthread_t tid = pthread_self();
1215 if (pthread_getaffinity_np(tid, sizeof(rte_cpuset_t),
1217 CPU_ZERO(&affinity_set);
1219 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1220 if (cfg->lcore_role[lcore_id] == ROLE_RTE &&
1221 !CPU_ISSET(lcore_id, &affinity_set)) {
1222 cfg->lcore_role[lcore_id] = ROLE_OFF;
1227 cfg->lcore_count -= removed;
1231 eal_adjust_config(struct internal_config *internal_cfg)
1234 struct rte_config *cfg = rte_eal_get_configuration();
1237 eal_auto_detect_cores(cfg);
1239 if (internal_config.process_type == RTE_PROC_AUTO)
1240 internal_config.process_type = eal_proc_type_detect();
1242 /* default master lcore is the first one */
1243 if (!master_lcore_parsed) {
1244 cfg->master_lcore = rte_get_next_lcore(-1, 0, 0);
1245 lcore_config[cfg->master_lcore].core_role = ROLE_RTE;
1248 /* if no memory amounts were requested, this will result in 0 and
1249 * will be overridden later, right after eal_hugepage_info_init() */
1250 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
1251 internal_cfg->memory += internal_cfg->socket_mem[i];
1257 eal_check_common_options(struct internal_config *internal_cfg)
1259 struct rte_config *cfg = rte_eal_get_configuration();
1261 if (cfg->lcore_role[cfg->master_lcore] != ROLE_RTE) {
1262 RTE_LOG(ERR, EAL, "Master lcore is not enabled for DPDK\n");
1266 if (internal_cfg->process_type == RTE_PROC_INVALID) {
1267 RTE_LOG(ERR, EAL, "Invalid process type specified\n");
1270 if (index(internal_cfg->hugefile_prefix, '%') != NULL) {
1271 RTE_LOG(ERR, EAL, "Invalid char, '%%', in --"OPT_FILE_PREFIX" "
1275 if (mem_parsed && internal_cfg->force_sockets == 1) {
1276 RTE_LOG(ERR, EAL, "Options -m and --"OPT_SOCKET_MEM" cannot "
1277 "be specified at the same time\n");
1280 if (internal_cfg->no_hugetlbfs && internal_cfg->force_sockets == 1) {
1281 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_MEM" cannot "
1282 "be specified together with --"OPT_NO_HUGE"\n");
1286 if (internal_cfg->no_hugetlbfs && internal_cfg->hugepage_unlink) {
1287 RTE_LOG(ERR, EAL, "Option --"OPT_HUGE_UNLINK" cannot "
1288 "be specified together with --"OPT_NO_HUGE"\n");
1296 eal_common_usage(void)
1298 printf("[options]\n\n"
1299 "EAL common options:\n"
1300 " -c COREMASK Hexadecimal bitmask of cores to run on\n"
1301 " -l CORELIST List of cores to run on\n"
1302 " The argument format is <c1>[-c2][,c3[-c4],...]\n"
1303 " where c1, c2, etc are core indexes between 0 and %d\n"
1304 " --"OPT_LCORES" COREMAP Map lcore set to physical cpu set\n"
1305 " The argument format is\n"
1306 " '<lcores[@cpus]>[<,lcores[@cpus]>...]'\n"
1307 " lcores and cpus list are grouped by '(' and ')'\n"
1308 " Within the group, '-' is used for range separator,\n"
1309 " ',' is used for single number separator.\n"
1310 " '( )' can be omitted for single element group,\n"
1311 " '@' can be omitted if cpus and lcores have the same value\n"
1312 " -s SERVICE COREMASK Hexadecimal bitmask of cores to be used as service cores\n"
1313 " --"OPT_MASTER_LCORE" ID Core ID that is used as master\n"
1314 " --"OPT_MBUF_POOL_OPS_NAME" Pool ops name for mbuf to use\n"
1315 " -n CHANNELS Number of memory channels\n"
1316 " -m MB Memory to allocate (see also --"OPT_SOCKET_MEM")\n"
1317 " -r RANKS Force number of memory ranks (don't detect)\n"
1318 " -b, --"OPT_PCI_BLACKLIST" Add a PCI device in black list.\n"
1319 " Prevent EAL from using this PCI device. The argument\n"
1320 " format is <domain:bus:devid.func>.\n"
1321 " -w, --"OPT_PCI_WHITELIST" Add a PCI device in white list.\n"
1322 " Only use the specified PCI devices. The argument format\n"
1323 " is <[domain:]bus:devid.func>. This option can be present\n"
1324 " several times (once per device).\n"
1325 " [NOTE: PCI whitelist cannot be used with -b option]\n"
1326 " --"OPT_VDEV" Add a virtual device.\n"
1327 " The argument format is <driver><id>[,key=val,...]\n"
1328 " (ex: --vdev=net_pcap0,iface=eth2).\n"
1329 " -d LIB.so|DIR Add a driver or driver directory\n"
1330 " (can be used multiple times)\n"
1331 " --"OPT_VMWARE_TSC_MAP" Use VMware TSC map instead of native RDTSC\n"
1332 " --"OPT_PROC_TYPE" Type of this process (primary|secondary|auto)\n"
1333 " --"OPT_SYSLOG" Set syslog facility\n"
1334 " --"OPT_LOG_LEVEL"=<int> Set global log level\n"
1335 " --"OPT_LOG_LEVEL"=<type-regexp>,<int>\n"
1336 " Set specific log level\n"
1337 " -v Display version information on startup\n"
1338 " -h, --help This help\n"
1339 "\nEAL options for DEBUG use only:\n"
1340 " --"OPT_HUGE_UNLINK" Unlink hugepage files after init\n"
1341 " --"OPT_NO_HUGE" Use malloc instead of hugetlbfs\n"
1342 " --"OPT_NO_PCI" Disable PCI\n"
1343 " --"OPT_NO_HPET" Disable HPET\n"
1344 " --"OPT_NO_SHCONF" No shared config (mmap'd files)\n"
1345 "\n", RTE_MAX_LCORE);