1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation.
3 * Copyright(c) 2014 6WIND S.A.
15 #include <sys/types.h>
21 #include <rte_lcore.h>
22 #include <rte_tailq.h>
23 #include <rte_version.h>
24 #include <rte_devargs.h>
25 #include <rte_memcpy.h>
27 #include "eal_internal_cfg.h"
28 #include "eal_options.h"
29 #include "eal_filesystem.h"
30 #include "eal_private.h"
32 #define BITS_PER_HEX 4
33 #define LCORE_OPT_LST 1
34 #define LCORE_OPT_MSK 2
35 #define LCORE_OPT_MAP 3
39 "b:" /* pci-blacklist */
41 "s:" /* service coremask */
45 "S:" /* service corelist */
46 "m:" /* memory size */
47 "n:" /* memory channels */
48 "r:" /* memory ranks */
50 "w:" /* pci-whitelist */
54 eal_long_options[] = {
55 {OPT_BASE_VIRTADDR, 1, NULL, OPT_BASE_VIRTADDR_NUM },
56 {OPT_CREATE_UIO_DEV, 0, NULL, OPT_CREATE_UIO_DEV_NUM },
57 {OPT_FILE_PREFIX, 1, NULL, OPT_FILE_PREFIX_NUM },
58 {OPT_HELP, 0, NULL, OPT_HELP_NUM },
59 {OPT_HUGE_DIR, 1, NULL, OPT_HUGE_DIR_NUM },
60 {OPT_HUGE_UNLINK, 0, NULL, OPT_HUGE_UNLINK_NUM },
61 {OPT_IOVA_MODE, 1, NULL, OPT_IOVA_MODE_NUM },
62 {OPT_LCORES, 1, NULL, OPT_LCORES_NUM },
63 {OPT_LOG_LEVEL, 1, NULL, OPT_LOG_LEVEL_NUM },
64 {OPT_MASTER_LCORE, 1, NULL, OPT_MASTER_LCORE_NUM },
65 {OPT_MBUF_POOL_OPS_NAME, 1, NULL, OPT_MBUF_POOL_OPS_NAME_NUM},
66 {OPT_NO_HPET, 0, NULL, OPT_NO_HPET_NUM },
67 {OPT_NO_HUGE, 0, NULL, OPT_NO_HUGE_NUM },
68 {OPT_NO_PCI, 0, NULL, OPT_NO_PCI_NUM },
69 {OPT_NO_SHCONF, 0, NULL, OPT_NO_SHCONF_NUM },
70 {OPT_IN_MEMORY, 0, NULL, OPT_IN_MEMORY_NUM },
71 {OPT_PCI_BLACKLIST, 1, NULL, OPT_PCI_BLACKLIST_NUM },
72 {OPT_PCI_WHITELIST, 1, NULL, OPT_PCI_WHITELIST_NUM },
73 {OPT_PROC_TYPE, 1, NULL, OPT_PROC_TYPE_NUM },
74 {OPT_SOCKET_MEM, 1, NULL, OPT_SOCKET_MEM_NUM },
75 {OPT_SOCKET_LIMIT, 1, NULL, OPT_SOCKET_LIMIT_NUM },
76 {OPT_SYSLOG, 1, NULL, OPT_SYSLOG_NUM },
77 {OPT_VDEV, 1, NULL, OPT_VDEV_NUM },
78 {OPT_VFIO_INTR, 1, NULL, OPT_VFIO_INTR_NUM },
79 {OPT_VMWARE_TSC_MAP, 0, NULL, OPT_VMWARE_TSC_MAP_NUM },
80 {OPT_LEGACY_MEM, 0, NULL, OPT_LEGACY_MEM_NUM },
81 {OPT_SINGLE_FILE_SEGMENTS, 0, NULL, OPT_SINGLE_FILE_SEGMENTS_NUM},
85 TAILQ_HEAD(shared_driver_list, shared_driver);
87 /* Definition for shared object drivers. */
88 struct shared_driver {
89 TAILQ_ENTRY(shared_driver) next;
95 /* List of external loadable drivers */
96 static struct shared_driver_list solib_list =
97 TAILQ_HEAD_INITIALIZER(solib_list);
99 /* Default path of external loadable drivers */
100 static const char *default_solib_dir = RTE_EAL_PMD_PATH;
103 * Stringified version of solib path used by dpdk-pmdinfo.py
104 * Note: PLEASE DO NOT ALTER THIS without making a corresponding
105 * change to usertools/dpdk-pmdinfo.py
107 static const char dpdk_solib_path[] __attribute__((used)) =
108 "DPDK_PLUGIN_PATH=" RTE_EAL_PMD_PATH;
110 TAILQ_HEAD(device_option_list, device_option);
112 struct device_option {
113 TAILQ_ENTRY(device_option) next;
115 enum rte_devtype type;
119 static struct device_option_list devopt_list =
120 TAILQ_HEAD_INITIALIZER(devopt_list);
122 static int master_lcore_parsed;
123 static int mem_parsed;
124 static int core_parsed;
127 eal_option_device_add(enum rte_devtype type, const char *optarg)
129 struct device_option *devopt;
133 optlen = strlen(optarg) + 1;
134 devopt = calloc(1, sizeof(*devopt) + optlen);
135 if (devopt == NULL) {
136 RTE_LOG(ERR, EAL, "Unable to allocate device option\n");
141 ret = snprintf(devopt->arg, optlen, "%s", optarg);
143 RTE_LOG(ERR, EAL, "Unable to copy device option\n");
147 TAILQ_INSERT_TAIL(&devopt_list, devopt, next);
152 eal_option_device_parse(void)
154 struct device_option *devopt;
158 TAILQ_FOREACH_SAFE(devopt, &devopt_list, next, tmp) {
160 ret = rte_devargs_add(devopt->type, devopt->arg);
162 RTE_LOG(ERR, EAL, "Unable to parse device '%s'\n",
165 TAILQ_REMOVE(&devopt_list, devopt, next);
172 eal_get_hugefile_prefix(void)
174 if (internal_config.hugefile_prefix != NULL)
175 return internal_config.hugefile_prefix;
176 return HUGEFILE_PREFIX_DEFAULT;
180 eal_reset_internal_config(struct internal_config *internal_cfg)
184 internal_cfg->memory = 0;
185 internal_cfg->force_nrank = 0;
186 internal_cfg->force_nchannel = 0;
187 internal_cfg->hugefile_prefix = NULL;
188 internal_cfg->hugepage_dir = NULL;
189 internal_cfg->force_sockets = 0;
190 /* zero out the NUMA config */
191 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
192 internal_cfg->socket_mem[i] = 0;
193 internal_cfg->force_socket_limits = 0;
194 /* zero out the NUMA limits config */
195 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
196 internal_cfg->socket_limit[i] = 0;
197 /* zero out hugedir descriptors */
198 for (i = 0; i < MAX_HUGEPAGE_SIZES; i++) {
199 memset(&internal_cfg->hugepage_info[i], 0,
200 sizeof(internal_cfg->hugepage_info[0]));
201 internal_cfg->hugepage_info[i].lock_descriptor = -1;
203 internal_cfg->base_virtaddr = 0;
205 internal_cfg->syslog_facility = LOG_DAEMON;
207 /* if set to NONE, interrupt mode is determined automatically */
208 internal_cfg->vfio_intr_mode = RTE_INTR_MODE_NONE;
210 #ifdef RTE_LIBEAL_USE_HPET
211 internal_cfg->no_hpet = 0;
213 internal_cfg->no_hpet = 1;
215 internal_cfg->vmware_tsc_map = 0;
216 internal_cfg->create_uio_dev = 0;
217 internal_cfg->iova_mode = RTE_IOVA_DC;
218 internal_cfg->user_mbuf_pool_ops_name = NULL;
219 CPU_ZERO(&internal_cfg->ctrl_cpuset);
220 internal_cfg->init_complete = 0;
224 eal_plugin_add(const char *path)
226 struct shared_driver *solib;
228 solib = malloc(sizeof(*solib));
230 RTE_LOG(ERR, EAL, "malloc(solib) failed\n");
233 memset(solib, 0, sizeof(*solib));
234 strlcpy(solib->name, path, PATH_MAX-1);
235 solib->name[PATH_MAX-1] = 0;
236 TAILQ_INSERT_TAIL(&solib_list, solib, next);
242 eal_plugindir_init(const char *path)
245 struct dirent *dent = NULL;
246 char sopath[PATH_MAX];
248 if (path == NULL || *path == '\0')
253 RTE_LOG(ERR, EAL, "failed to open directory %s: %s\n",
254 path, strerror(errno));
258 while ((dent = readdir(d)) != NULL) {
261 snprintf(sopath, PATH_MAX-1, "%s/%s", path, dent->d_name);
262 sopath[PATH_MAX-1] = 0;
264 if (!(stat(sopath, &sb) == 0 && S_ISREG(sb.st_mode)))
267 if (eal_plugin_add(sopath) == -1)
272 /* XXX this ignores failures from readdir() itself */
273 return (dent == NULL) ? 0 : -1;
277 eal_plugins_init(void)
279 struct shared_driver *solib = NULL;
282 if (*default_solib_dir != '\0' && stat(default_solib_dir, &sb) == 0 &&
284 eal_plugin_add(default_solib_dir);
286 TAILQ_FOREACH(solib, &solib_list, next) {
288 if (stat(solib->name, &sb) == 0 && S_ISDIR(sb.st_mode)) {
289 if (eal_plugindir_init(solib->name) == -1) {
291 "Cannot init plugin directory %s\n",
296 RTE_LOG(DEBUG, EAL, "open shared lib %s\n",
298 solib->lib_handle = dlopen(solib->name, RTLD_NOW);
299 if (solib->lib_handle == NULL) {
300 RTE_LOG(ERR, EAL, "%s\n", dlerror());
310 * Parse the coremask given as argument (hexadecimal string) and fill
311 * the global configuration (core role and core count) with the parsed
314 static int xdigit2val(unsigned char c)
328 eal_parse_service_coremask(const char *coremask)
330 struct rte_config *cfg = rte_eal_get_configuration();
332 unsigned int count = 0;
335 uint32_t taken_lcore_count = 0;
337 if (coremask == NULL)
339 /* Remove all blank characters ahead and after .
340 * Remove 0x/0X if exists.
342 while (isblank(*coremask))
344 if (coremask[0] == '0' && ((coremask[1] == 'x')
345 || (coremask[1] == 'X')))
347 i = strlen(coremask);
348 while ((i > 0) && isblank(coremask[i - 1]))
354 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
356 if (isxdigit(c) == 0) {
357 /* invalid characters */
361 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE;
363 if ((1 << j) & val) {
364 /* handle master lcore already parsed */
365 uint32_t lcore = idx;
366 if (master_lcore_parsed &&
367 cfg->master_lcore == lcore) {
369 "lcore %u is master lcore, cannot use as service core\n",
374 if (!lcore_config[idx].detected) {
376 "lcore %u unavailable\n", idx);
380 if (cfg->lcore_role[idx] == ROLE_RTE)
383 lcore_config[idx].core_role = ROLE_SERVICE;
390 if (coremask[i] != '0')
393 for (; idx < RTE_MAX_LCORE; idx++)
394 lcore_config[idx].core_index = -1;
399 if (core_parsed && taken_lcore_count != count) {
400 RTE_LOG(WARNING, EAL,
401 "Not all service cores are in the coremask. "
402 "Please ensure -c or -l includes service cores\n");
405 cfg->service_lcore_count = count;
410 eal_service_cores_parsed(void)
413 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
414 if (lcore_config[idx].core_role == ROLE_SERVICE)
421 update_lcore_config(int *cores)
423 struct rte_config *cfg = rte_eal_get_configuration();
424 unsigned int count = 0;
428 for (i = 0; i < RTE_MAX_LCORE; i++) {
429 if (cores[i] != -1) {
430 if (!lcore_config[i].detected) {
431 RTE_LOG(ERR, EAL, "lcore %u unavailable\n", i);
435 cfg->lcore_role[i] = ROLE_RTE;
438 cfg->lcore_role[i] = ROLE_OFF;
440 lcore_config[i].core_index = cores[i];
443 cfg->lcore_count = count;
448 eal_parse_coremask(const char *coremask, int *cores)
455 for (idx = 0; idx < RTE_MAX_LCORE; idx++)
459 /* Remove all blank characters ahead and after .
460 * Remove 0x/0X if exists.
462 while (isblank(*coremask))
464 if (coremask[0] == '0' && ((coremask[1] == 'x')
465 || (coremask[1] == 'X')))
467 i = strlen(coremask);
468 while ((i > 0) && isblank(coremask[i - 1]))
473 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
475 if (isxdigit(c) == 0) {
476 /* invalid characters */
480 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++)
482 if ((1 << j) & val) {
489 if (coremask[i] != '0')
497 eal_parse_service_corelist(const char *corelist)
499 struct rte_config *cfg = rte_eal_get_configuration();
504 uint32_t taken_lcore_count = 0;
506 if (corelist == NULL)
509 /* Remove all blank characters ahead and after */
510 while (isblank(*corelist))
512 i = strlen(corelist);
513 while ((i > 0) && isblank(corelist[i - 1]))
516 /* Get list of cores */
519 while (isblank(*corelist))
521 if (*corelist == '\0')
524 idx = strtoul(corelist, &end, 10);
525 if (errno || end == NULL)
527 while (isblank(*end))
531 } else if ((*end == ',') || (*end == '\0')) {
533 if (min == RTE_MAX_LCORE)
535 for (idx = min; idx <= max; idx++) {
536 if (cfg->lcore_role[idx] != ROLE_SERVICE) {
537 /* handle master lcore already parsed */
538 uint32_t lcore = idx;
539 if (cfg->master_lcore == lcore &&
540 master_lcore_parsed) {
542 "Error: lcore %u is master lcore, cannot use as service core\n",
546 if (cfg->lcore_role[idx] == ROLE_RTE)
549 lcore_config[idx].core_role =
558 } while (*end != '\0');
563 if (core_parsed && taken_lcore_count != count) {
564 RTE_LOG(WARNING, EAL,
565 "Not all service cores were in the coremask. "
566 "Please ensure -c or -l includes service cores\n");
573 eal_parse_corelist(const char *corelist, int *cores)
580 for (idx = 0; idx < RTE_MAX_LCORE; idx++)
583 /* Remove all blank characters ahead */
584 while (isblank(*corelist))
587 /* Get list of cores */
590 while (isblank(*corelist))
592 if (*corelist == '\0')
595 idx = strtol(corelist, &end, 10);
596 if (errno || end == NULL)
598 if (idx < 0 || idx >= RTE_MAX_LCORE)
600 while (isblank(*end))
604 } else if ((*end == ',') || (*end == '\0')) {
606 if (min == RTE_MAX_LCORE)
608 for (idx = min; idx <= max; idx++) {
609 if (cores[idx] == -1) {
618 } while (*end != '\0');
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_iova_mode(const char *name)
1086 if (!strcmp("pa", name))
1088 else if (!strcmp("va", name))
1093 internal_config.iova_mode = mode;
1097 /* caller is responsible for freeing the returned string */
1099 available_cores(void)
1107 /* find the first available cpu */
1108 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
1109 if (!lcore_config[idx].detected)
1113 if (idx >= RTE_MAX_LCORE)
1116 /* first sequence */
1117 if (asprintf(&str, "%d", idx) < 0)
1122 for (idx++ ; idx < RTE_MAX_LCORE; idx++) {
1123 if (!lcore_config[idx].detected)
1126 if (idx == previous + 1) {
1132 /* finish current sequence */
1134 if (asprintf(&tmp, "%s-%d", str, previous) < 0) {
1143 if (asprintf(&tmp, "%s,%d", str, idx) < 0) {
1153 /* finish last sequence */
1155 if (asprintf(&tmp, "%s-%d", str, previous) < 0) {
1167 eal_parse_common_option(int opt, const char *optarg,
1168 struct internal_config *conf)
1178 if (eal_option_device_add(RTE_DEVTYPE_BLACKLISTED_PCI,
1188 if (eal_option_device_add(RTE_DEVTYPE_WHITELISTED_PCI,
1196 int lcore_indexes[RTE_MAX_LCORE];
1198 if (eal_service_cores_parsed())
1199 RTE_LOG(WARNING, EAL,
1200 "Service cores parsed before dataplane cores. Please ensure -c is before -s or -S\n");
1201 if (eal_parse_coremask(optarg, lcore_indexes) < 0) {
1202 RTE_LOG(ERR, EAL, "invalid coremask syntax\n");
1205 if (update_lcore_config(lcore_indexes) < 0) {
1206 char *available = available_cores();
1209 "invalid coremask, please check specified cores are part of %s\n",
1216 RTE_LOG(ERR, EAL, "Option -c is ignored, because (%s) is set!\n",
1217 (core_parsed == LCORE_OPT_LST) ? "-l" :
1218 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1223 core_parsed = LCORE_OPT_MSK;
1228 int lcore_indexes[RTE_MAX_LCORE];
1230 if (eal_service_cores_parsed())
1231 RTE_LOG(WARNING, EAL,
1232 "Service cores parsed before dataplane cores. Please ensure -l is before -s or -S\n");
1234 if (eal_parse_corelist(optarg, lcore_indexes) < 0) {
1235 RTE_LOG(ERR, EAL, "invalid core list syntax\n");
1238 if (update_lcore_config(lcore_indexes) < 0) {
1239 char *available = available_cores();
1242 "invalid core list, please check specified cores are part of %s\n",
1249 RTE_LOG(ERR, EAL, "Option -l is ignored, because (%s) is set!\n",
1250 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1251 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1256 core_parsed = LCORE_OPT_LST;
1259 /* service coremask */
1261 if (eal_parse_service_coremask(optarg) < 0) {
1262 RTE_LOG(ERR, EAL, "invalid service coremask\n");
1266 /* service corelist */
1268 if (eal_parse_service_corelist(optarg) < 0) {
1269 RTE_LOG(ERR, EAL, "invalid service core list\n");
1273 /* size of memory */
1275 conf->memory = atoi(optarg);
1276 conf->memory *= 1024ULL;
1277 conf->memory *= 1024ULL;
1280 /* force number of channels */
1282 conf->force_nchannel = atoi(optarg);
1283 if (conf->force_nchannel == 0) {
1284 RTE_LOG(ERR, EAL, "invalid channel number\n");
1288 /* force number of ranks */
1290 conf->force_nrank = atoi(optarg);
1291 if (conf->force_nrank == 0 ||
1292 conf->force_nrank > 16) {
1293 RTE_LOG(ERR, EAL, "invalid rank number\n");
1297 /* force loading of external driver */
1299 if (eal_plugin_add(optarg) == -1)
1303 /* since message is explicitly requested by user, we
1304 * write message at highest log level so it can always
1306 * even if info or warning messages are disabled */
1307 RTE_LOG(CRIT, EAL, "RTE Version: '%s'\n", rte_version());
1311 case OPT_HUGE_UNLINK_NUM:
1312 conf->hugepage_unlink = 1;
1315 case OPT_NO_HUGE_NUM:
1316 conf->no_hugetlbfs = 1;
1317 /* no-huge is legacy mem */
1318 conf->legacy_mem = 1;
1321 case OPT_NO_PCI_NUM:
1325 case OPT_NO_HPET_NUM:
1329 case OPT_VMWARE_TSC_MAP_NUM:
1330 conf->vmware_tsc_map = 1;
1333 case OPT_NO_SHCONF_NUM:
1334 conf->no_shconf = 1;
1337 case OPT_IN_MEMORY_NUM:
1338 conf->in_memory = 1;
1339 /* in-memory is a superset of noshconf and huge-unlink */
1340 conf->no_shconf = 1;
1341 conf->hugepage_unlink = 1;
1344 case OPT_PROC_TYPE_NUM:
1345 conf->process_type = eal_parse_proc_type(optarg);
1348 case OPT_MASTER_LCORE_NUM:
1349 if (eal_parse_master_lcore(optarg) < 0) {
1350 RTE_LOG(ERR, EAL, "invalid parameter for --"
1351 OPT_MASTER_LCORE "\n");
1357 if (eal_option_device_add(RTE_DEVTYPE_VIRTUAL,
1363 case OPT_SYSLOG_NUM:
1364 if (eal_parse_syslog(optarg, conf) < 0) {
1365 RTE_LOG(ERR, EAL, "invalid parameters for --"
1371 case OPT_LOG_LEVEL_NUM: {
1372 if (eal_parse_log_level(optarg) < 0) {
1374 "invalid parameters for --"
1375 OPT_LOG_LEVEL "\n");
1380 case OPT_LCORES_NUM:
1381 if (eal_parse_lcores(optarg) < 0) {
1382 RTE_LOG(ERR, EAL, "invalid parameter for --"
1388 RTE_LOG(ERR, EAL, "Option --lcore is ignored, because (%s) is set!\n",
1389 (core_parsed == LCORE_OPT_LST) ? "-l" :
1390 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1395 core_parsed = LCORE_OPT_MAP;
1397 case OPT_LEGACY_MEM_NUM:
1398 conf->legacy_mem = 1;
1400 case OPT_SINGLE_FILE_SEGMENTS_NUM:
1401 conf->single_file_segments = 1;
1403 case OPT_IOVA_MODE_NUM:
1404 if (eal_parse_iova_mode(optarg) < 0) {
1405 RTE_LOG(ERR, EAL, "invalid parameters for --"
1406 OPT_IOVA_MODE "\n");
1411 /* don't know what to do, leave this to caller */
1419 RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) "
1420 "cannot be used at the same time\n");
1425 eal_auto_detect_cores(struct rte_config *cfg)
1427 unsigned int lcore_id;
1428 unsigned int removed = 0;
1429 rte_cpuset_t affinity_set;
1431 if (pthread_getaffinity_np(pthread_self(), sizeof(rte_cpuset_t),
1433 CPU_ZERO(&affinity_set);
1435 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1436 if (cfg->lcore_role[lcore_id] == ROLE_RTE &&
1437 !CPU_ISSET(lcore_id, &affinity_set)) {
1438 cfg->lcore_role[lcore_id] = ROLE_OFF;
1443 cfg->lcore_count -= removed;
1447 compute_ctrl_threads_cpuset(struct internal_config *internal_cfg)
1449 rte_cpuset_t *cpuset = &internal_cfg->ctrl_cpuset;
1450 rte_cpuset_t default_set;
1451 unsigned int lcore_id;
1453 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1454 if (eal_cpu_detected(lcore_id) &&
1455 rte_lcore_has_role(lcore_id, ROLE_OFF)) {
1456 CPU_SET(lcore_id, cpuset);
1460 if (pthread_getaffinity_np(pthread_self(), sizeof(rte_cpuset_t),
1462 CPU_ZERO(&default_set);
1464 RTE_CPU_AND(cpuset, cpuset, &default_set);
1466 /* if no detected CPU is off, use master core */
1467 if (!CPU_COUNT(cpuset))
1468 CPU_SET(rte_get_master_lcore(), cpuset);
1472 eal_cleanup_config(struct internal_config *internal_cfg)
1474 if (internal_cfg->hugefile_prefix != NULL)
1475 free(internal_cfg->hugefile_prefix);
1476 if (internal_cfg->hugepage_dir != NULL)
1477 free(internal_cfg->hugepage_dir);
1478 if (internal_cfg->user_mbuf_pool_ops_name != NULL)
1479 free(internal_cfg->user_mbuf_pool_ops_name);
1485 eal_adjust_config(struct internal_config *internal_cfg)
1488 struct rte_config *cfg = rte_eal_get_configuration();
1491 eal_auto_detect_cores(cfg);
1493 if (internal_config.process_type == RTE_PROC_AUTO)
1494 internal_config.process_type = eal_proc_type_detect();
1496 /* default master lcore is the first one */
1497 if (!master_lcore_parsed) {
1498 cfg->master_lcore = rte_get_next_lcore(-1, 0, 0);
1499 if (cfg->master_lcore >= RTE_MAX_LCORE)
1501 lcore_config[cfg->master_lcore].core_role = ROLE_RTE;
1504 compute_ctrl_threads_cpuset(internal_cfg);
1506 /* if no memory amounts were requested, this will result in 0 and
1507 * will be overridden later, right after eal_hugepage_info_init() */
1508 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
1509 internal_cfg->memory += internal_cfg->socket_mem[i];
1515 eal_check_common_options(struct internal_config *internal_cfg)
1517 struct rte_config *cfg = rte_eal_get_configuration();
1519 if (cfg->lcore_role[cfg->master_lcore] != ROLE_RTE) {
1520 RTE_LOG(ERR, EAL, "Master lcore is not enabled for DPDK\n");
1524 if (internal_cfg->process_type == RTE_PROC_INVALID) {
1525 RTE_LOG(ERR, EAL, "Invalid process type specified\n");
1528 if (internal_cfg->hugefile_prefix != NULL &&
1529 strlen(internal_cfg->hugefile_prefix) < 1) {
1530 RTE_LOG(ERR, EAL, "Invalid length of --" OPT_FILE_PREFIX " option\n");
1533 if (internal_cfg->hugepage_dir != NULL &&
1534 strlen(internal_cfg->hugepage_dir) < 1) {
1535 RTE_LOG(ERR, EAL, "Invalid length of --" OPT_HUGE_DIR" option\n");
1538 if (internal_cfg->user_mbuf_pool_ops_name != NULL &&
1539 strlen(internal_cfg->user_mbuf_pool_ops_name) < 1) {
1540 RTE_LOG(ERR, EAL, "Invalid length of --" OPT_MBUF_POOL_OPS_NAME" option\n");
1543 if (index(eal_get_hugefile_prefix(), '%') != NULL) {
1544 RTE_LOG(ERR, EAL, "Invalid char, '%%', in --"OPT_FILE_PREFIX" "
1548 if (mem_parsed && internal_cfg->force_sockets == 1) {
1549 RTE_LOG(ERR, EAL, "Options -m and --"OPT_SOCKET_MEM" cannot "
1550 "be specified at the same time\n");
1553 if (internal_cfg->no_hugetlbfs && internal_cfg->force_sockets == 1) {
1554 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_MEM" cannot "
1555 "be specified together with --"OPT_NO_HUGE"\n");
1558 if (internal_cfg->no_hugetlbfs && internal_cfg->hugepage_unlink &&
1559 !internal_cfg->in_memory) {
1560 RTE_LOG(ERR, EAL, "Option --"OPT_HUGE_UNLINK" cannot "
1561 "be specified together with --"OPT_NO_HUGE"\n");
1564 if (internal_config.force_socket_limits && internal_config.legacy_mem) {
1565 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_LIMIT
1566 " is only supported in non-legacy memory mode\n");
1568 if (internal_cfg->single_file_segments &&
1569 internal_cfg->hugepage_unlink &&
1570 !internal_cfg->in_memory) {
1571 RTE_LOG(ERR, EAL, "Option --"OPT_SINGLE_FILE_SEGMENTS" is "
1572 "not compatible with --"OPT_HUGE_UNLINK"\n");
1575 if (internal_cfg->legacy_mem &&
1576 internal_cfg->in_memory) {
1577 RTE_LOG(ERR, EAL, "Option --"OPT_LEGACY_MEM" is not compatible "
1578 "with --"OPT_IN_MEMORY"\n");
1586 eal_common_usage(void)
1588 printf("[options]\n\n"
1589 "EAL common options:\n"
1590 " -c COREMASK Hexadecimal bitmask of cores to run on\n"
1591 " -l CORELIST List of cores to run on\n"
1592 " The argument format is <c1>[-c2][,c3[-c4],...]\n"
1593 " where c1, c2, etc are core indexes between 0 and %d\n"
1594 " --"OPT_LCORES" COREMAP Map lcore set to physical cpu set\n"
1595 " The argument format is\n"
1596 " '<lcores[@cpus]>[<,lcores[@cpus]>...]'\n"
1597 " lcores and cpus list are grouped by '(' and ')'\n"
1598 " Within the group, '-' is used for range separator,\n"
1599 " ',' is used for single number separator.\n"
1600 " '( )' can be omitted for single element group,\n"
1601 " '@' can be omitted if cpus and lcores have the same value\n"
1602 " -s SERVICE COREMASK Hexadecimal bitmask of cores to be used as service cores\n"
1603 " --"OPT_MASTER_LCORE" ID Core ID that is used as master\n"
1604 " --"OPT_MBUF_POOL_OPS_NAME" Pool ops name for mbuf to use\n"
1605 " -n CHANNELS Number of memory channels\n"
1606 " -m MB Memory to allocate (see also --"OPT_SOCKET_MEM")\n"
1607 " -r RANKS Force number of memory ranks (don't detect)\n"
1608 " -b, --"OPT_PCI_BLACKLIST" Add a PCI device in black list.\n"
1609 " Prevent EAL from using this PCI device. The argument\n"
1610 " format is <domain:bus:devid.func>.\n"
1611 " -w, --"OPT_PCI_WHITELIST" Add a PCI device in white list.\n"
1612 " Only use the specified PCI devices. The argument format\n"
1613 " is <[domain:]bus:devid.func>. This option can be present\n"
1614 " several times (once per device).\n"
1615 " [NOTE: PCI whitelist cannot be used with -b option]\n"
1616 " --"OPT_VDEV" Add a virtual device.\n"
1617 " The argument format is <driver><id>[,key=val,...]\n"
1618 " (ex: --vdev=net_pcap0,iface=eth2).\n"
1619 " --"OPT_IOVA_MODE" Set IOVA mode. 'pa' for IOVA_PA\n"
1620 " 'va' for IOVA_VA\n"
1621 " -d LIB.so|DIR Add a driver or driver directory\n"
1622 " (can be used multiple times)\n"
1623 " --"OPT_VMWARE_TSC_MAP" Use VMware TSC map instead of native RDTSC\n"
1624 " --"OPT_PROC_TYPE" Type of this process (primary|secondary|auto)\n"
1625 " --"OPT_SYSLOG" Set syslog facility\n"
1626 " --"OPT_LOG_LEVEL"=<int> Set global log level\n"
1627 " --"OPT_LOG_LEVEL"=<type-match>:<int>\n"
1628 " Set specific log level\n"
1629 " -v Display version information on startup\n"
1630 " -h, --help This help\n"
1631 " --"OPT_IN_MEMORY" Operate entirely in memory. This will\n"
1632 " disable secondary process support\n"
1633 "\nEAL options for DEBUG use only:\n"
1634 " --"OPT_HUGE_UNLINK" Unlink hugepage files after init\n"
1635 " --"OPT_NO_HUGE" Use malloc instead of hugetlbfs\n"
1636 " --"OPT_NO_PCI" Disable PCI\n"
1637 " --"OPT_NO_HPET" Disable HPET\n"
1638 " --"OPT_NO_SHCONF" No shared config (mmap'd files)\n"
1639 "\n", RTE_MAX_LCORE);