4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
5 * Copyright(c) 2014 6WIND S.A.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * * Neither the name of Intel Corporation nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
43 #include <sys/types.h>
49 #include <rte_lcore.h>
50 #include <rte_version.h>
51 #include <rte_devargs.h>
52 #include <rte_memcpy.h>
54 #include "eal_internal_cfg.h"
55 #include "eal_options.h"
56 #include "eal_filesystem.h"
58 #define BITS_PER_HEX 4
62 "b:" /* pci-blacklist */
64 "s:" /* service coremask */
68 "S:" /* service corelist */
69 "m:" /* memory size */
70 "n:" /* memory channels */
71 "r:" /* memory ranks */
73 "w:" /* pci-whitelist */
77 eal_long_options[] = {
78 {OPT_BASE_VIRTADDR, 1, NULL, OPT_BASE_VIRTADDR_NUM },
79 {OPT_CREATE_UIO_DEV, 0, NULL, OPT_CREATE_UIO_DEV_NUM },
80 {OPT_FILE_PREFIX, 1, NULL, OPT_FILE_PREFIX_NUM },
81 {OPT_HELP, 0, NULL, OPT_HELP_NUM },
82 {OPT_HUGE_DIR, 1, NULL, OPT_HUGE_DIR_NUM },
83 {OPT_HUGE_UNLINK, 0, NULL, OPT_HUGE_UNLINK_NUM },
84 {OPT_LCORES, 1, NULL, OPT_LCORES_NUM },
85 {OPT_LOG_LEVEL, 1, NULL, OPT_LOG_LEVEL_NUM },
86 {OPT_MASTER_LCORE, 1, NULL, OPT_MASTER_LCORE_NUM },
87 {OPT_NO_HPET, 0, NULL, OPT_NO_HPET_NUM },
88 {OPT_NO_HUGE, 0, NULL, OPT_NO_HUGE_NUM },
89 {OPT_NO_PCI, 0, NULL, OPT_NO_PCI_NUM },
90 {OPT_NO_SHCONF, 0, NULL, OPT_NO_SHCONF_NUM },
91 {OPT_PCI_BLACKLIST, 1, NULL, OPT_PCI_BLACKLIST_NUM },
92 {OPT_PCI_WHITELIST, 1, NULL, OPT_PCI_WHITELIST_NUM },
93 {OPT_PROC_TYPE, 1, NULL, OPT_PROC_TYPE_NUM },
94 {OPT_SOCKET_MEM, 1, NULL, OPT_SOCKET_MEM_NUM },
95 {OPT_SYSLOG, 1, NULL, OPT_SYSLOG_NUM },
96 {OPT_VDEV, 1, NULL, OPT_VDEV_NUM },
97 {OPT_VFIO_INTR, 1, NULL, OPT_VFIO_INTR_NUM },
98 {OPT_VMWARE_TSC_MAP, 0, NULL, OPT_VMWARE_TSC_MAP_NUM },
99 {OPT_XEN_DOM0, 0, NULL, OPT_XEN_DOM0_NUM },
103 TAILQ_HEAD(shared_driver_list, shared_driver);
105 /* Definition for shared object drivers. */
106 struct shared_driver {
107 TAILQ_ENTRY(shared_driver) next;
113 /* List of external loadable drivers */
114 static struct shared_driver_list solib_list =
115 TAILQ_HEAD_INITIALIZER(solib_list);
117 /* Default path of external loadable drivers */
118 static const char *default_solib_dir = RTE_EAL_PMD_PATH;
121 * Stringified version of solib path used by dpdk-pmdinfo.py
122 * Note: PLEASE DO NOT ALTER THIS without making a corresponding
123 * change to usertools/dpdk-pmdinfo.py
125 static const char dpdk_solib_path[] __attribute__((used)) =
126 "DPDK_PLUGIN_PATH=" RTE_EAL_PMD_PATH;
129 static int master_lcore_parsed;
130 static int mem_parsed;
131 static int core_parsed;
134 eal_reset_internal_config(struct internal_config *internal_cfg)
138 internal_cfg->memory = 0;
139 internal_cfg->force_nrank = 0;
140 internal_cfg->force_nchannel = 0;
141 internal_cfg->hugefile_prefix = HUGEFILE_PREFIX_DEFAULT;
142 internal_cfg->hugepage_dir = NULL;
143 internal_cfg->force_sockets = 0;
144 /* zero out the NUMA config */
145 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
146 internal_cfg->socket_mem[i] = 0;
147 /* zero out hugedir descriptors */
148 for (i = 0; i < MAX_HUGEPAGE_SIZES; i++)
149 internal_cfg->hugepage_info[i].lock_descriptor = -1;
150 internal_cfg->base_virtaddr = 0;
152 internal_cfg->syslog_facility = LOG_DAEMON;
154 internal_cfg->xen_dom0_support = 0;
156 /* if set to NONE, interrupt mode is determined automatically */
157 internal_cfg->vfio_intr_mode = RTE_INTR_MODE_NONE;
159 #ifdef RTE_LIBEAL_USE_HPET
160 internal_cfg->no_hpet = 0;
162 internal_cfg->no_hpet = 1;
164 internal_cfg->vmware_tsc_map = 0;
165 internal_cfg->create_uio_dev = 0;
169 eal_plugin_add(const char *path)
171 struct shared_driver *solib;
173 solib = malloc(sizeof(*solib));
175 RTE_LOG(ERR, EAL, "malloc(solib) failed\n");
178 memset(solib, 0, sizeof(*solib));
179 strncpy(solib->name, path, PATH_MAX-1);
180 solib->name[PATH_MAX-1] = 0;
181 TAILQ_INSERT_TAIL(&solib_list, solib, next);
187 eal_plugindir_init(const char *path)
190 struct dirent *dent = NULL;
191 char sopath[PATH_MAX];
193 if (path == NULL || *path == '\0')
198 RTE_LOG(ERR, EAL, "failed to open directory %s: %s\n",
199 path, strerror(errno));
203 while ((dent = readdir(d)) != NULL) {
206 snprintf(sopath, PATH_MAX-1, "%s/%s", path, dent->d_name);
207 sopath[PATH_MAX-1] = 0;
209 if (!(stat(sopath, &sb) == 0 && S_ISREG(sb.st_mode)))
212 if (eal_plugin_add(sopath) == -1)
217 /* XXX this ignores failures from readdir() itself */
218 return (dent == NULL) ? 0 : -1;
222 eal_plugins_init(void)
224 struct shared_driver *solib = NULL;
226 if (*default_solib_dir != '\0')
227 eal_plugin_add(default_solib_dir);
229 TAILQ_FOREACH(solib, &solib_list, next) {
232 if (stat(solib->name, &sb) == 0 && S_ISDIR(sb.st_mode)) {
233 if (eal_plugindir_init(solib->name) == -1) {
235 "Cannot init plugin directory %s\n",
240 RTE_LOG(DEBUG, EAL, "open shared lib %s\n",
242 solib->lib_handle = dlopen(solib->name, RTLD_NOW);
243 if (solib->lib_handle == NULL) {
244 RTE_LOG(ERR, EAL, "%s\n", dlerror());
254 * Parse the coremask given as argument (hexadecimal string) and fill
255 * the global configuration (core role and core count) with the parsed
258 static int xdigit2val(unsigned char c)
272 eal_parse_service_coremask(const char *coremask)
274 struct rte_config *cfg = rte_eal_get_configuration();
276 unsigned int count = 0;
280 if (coremask == NULL)
282 /* Remove all blank characters ahead and after .
283 * Remove 0x/0X if exists.
285 while (isblank(*coremask))
287 if (coremask[0] == '0' && ((coremask[1] == 'x')
288 || (coremask[1] == 'X')))
290 i = strlen(coremask);
291 while ((i > 0) && isblank(coremask[i - 1]))
297 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
299 if (isxdigit(c) == 0) {
300 /* invalid characters */
304 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE;
306 if ((1 << j) & val) {
307 /* handle master lcore already parsed */
308 uint32_t lcore = idx;
309 if (master_lcore_parsed &&
310 cfg->master_lcore == lcore) {
312 "Error: lcore %u is master lcore, cannot use as service core\n",
317 if (!lcore_config[idx].detected) {
319 "lcore %u unavailable\n", idx);
322 lcore_config[idx].core_role = ROLE_SERVICE;
329 if (coremask[i] != '0')
332 for (; idx < RTE_MAX_LCORE; idx++)
333 lcore_config[idx].core_index = -1;
338 cfg->service_lcore_count = count;
343 eal_parse_coremask(const char *coremask)
345 struct rte_config *cfg = rte_eal_get_configuration();
351 if (coremask == NULL)
353 /* Remove all blank characters ahead and after .
354 * Remove 0x/0X if exists.
356 while (isblank(*coremask))
358 if (coremask[0] == '0' && ((coremask[1] == 'x')
359 || (coremask[1] == 'X')))
361 i = strlen(coremask);
362 while ((i > 0) && isblank(coremask[i - 1]))
367 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
369 if (isxdigit(c) == 0) {
370 /* invalid characters */
374 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++)
376 if ((1 << j) & val) {
377 if (!lcore_config[idx].detected) {
378 RTE_LOG(ERR, EAL, "lcore %u "
379 "unavailable\n", idx);
382 cfg->lcore_role[idx] = ROLE_RTE;
383 lcore_config[idx].core_index = count;
386 cfg->lcore_role[idx] = ROLE_OFF;
387 lcore_config[idx].core_index = -1;
392 if (coremask[i] != '0')
394 for (; idx < RTE_MAX_LCORE; idx++) {
395 cfg->lcore_role[idx] = ROLE_OFF;
396 lcore_config[idx].core_index = -1;
400 /* Update the count of enabled logical cores of the EAL configuration */
401 cfg->lcore_count = count;
406 eal_parse_service_corelist(const char *corelist)
408 struct rte_config *cfg = rte_eal_get_configuration();
414 if (corelist == NULL)
417 /* Remove all blank characters ahead and after */
418 while (isblank(*corelist))
420 i = strlen(corelist);
421 while ((i > 0) && isblank(corelist[i - 1]))
424 /* Get list of cores */
427 while (isblank(*corelist))
429 if (*corelist == '\0')
432 idx = strtoul(corelist, &end, 10);
433 if (errno || end == NULL)
435 while (isblank(*end))
439 } else if ((*end == ',') || (*end == '\0')) {
441 if (min == RTE_MAX_LCORE)
443 for (idx = min; idx <= max; idx++) {
444 if (cfg->lcore_role[idx] != ROLE_SERVICE) {
445 /* handle master lcore already parsed */
446 uint32_t lcore = idx;
447 if (cfg->master_lcore == lcore &&
448 master_lcore_parsed) {
450 "Error: lcore %u is master lcore, cannot use as service core\n",
454 lcore_config[idx].core_role =
463 } while (*end != '\0');
472 eal_parse_corelist(const char *corelist)
474 struct rte_config *cfg = rte_eal_get_configuration();
480 if (corelist == NULL)
483 /* Remove all blank characters ahead and after */
484 while (isblank(*corelist))
486 i = strlen(corelist);
487 while ((i > 0) && isblank(corelist[i - 1]))
491 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
492 cfg->lcore_role[idx] = ROLE_OFF;
493 lcore_config[idx].core_index = -1;
496 /* Get list of cores */
499 while (isblank(*corelist))
501 if (*corelist == '\0')
504 idx = strtoul(corelist, &end, 10);
505 if (errno || end == NULL)
507 while (isblank(*end))
511 } else if ((*end == ',') || (*end == '\0')) {
513 if (min == RTE_MAX_LCORE)
515 for (idx = min; idx <= max; idx++) {
516 if (cfg->lcore_role[idx] != ROLE_RTE) {
517 cfg->lcore_role[idx] = ROLE_RTE;
518 lcore_config[idx].core_index = count;
526 } while (*end != '\0');
531 /* Update the count of enabled logical cores of the EAL configuration */
532 cfg->lcore_count = count;
537 /* Changes the lcore id of the master thread */
539 eal_parse_master_lcore(const char *arg)
542 struct rte_config *cfg = rte_eal_get_configuration();
545 cfg->master_lcore = (uint32_t) strtol(arg, &parsing_end, 0);
546 if (errno || parsing_end[0] != 0)
548 if (cfg->master_lcore >= RTE_MAX_LCORE)
550 master_lcore_parsed = 1;
552 /* ensure master core is not used as service core */
553 if (lcore_config[cfg->master_lcore].core_role == ROLE_SERVICE) {
554 RTE_LOG(ERR, EAL, "Error: Master lcore is used as a service core.\n");
562 * Parse elem, the elem could be single number/range or '(' ')' group
563 * 1) A single number elem, it's just a simple digit. e.g. 9
564 * 2) A single range elem, two digits with a '-' between. e.g. 2-6
565 * 3) A group elem, combines multiple 1) or 2) with '( )'. e.g (0,2-4,6)
566 * Within group elem, '-' used for a range separator;
567 * ',' used for a single number.
570 eal_parse_set(const char *input, uint16_t set[], unsigned num)
573 const char *str = input;
577 memset(set, 0, num * sizeof(uint16_t));
579 while (isblank(*str))
582 /* only digit or left bracket is qualify for start point */
583 if ((!isdigit(*str) && *str != '(') || *str == '\0')
586 /* process single number or single range of number */
589 idx = strtoul(str, &end, 10);
590 if (errno || end == NULL || idx >= num)
593 while (isblank(*end))
599 /* process single <number>-<number> */
601 while (isblank(*end))
607 idx = strtoul(end, &end, 10);
608 if (errno || end == NULL || idx >= num)
611 while (isblank(*end))
613 if (*end != ',' && *end != '\0')
617 if (*end != ',' && *end != '\0' &&
621 for (idx = RTE_MIN(min, max);
622 idx <= RTE_MAX(min, max); idx++)
629 /* process set within bracket */
631 while (isblank(*str))
639 /* go ahead to the first digit */
640 while (isblank(*str))
645 /* get the digit value */
647 idx = strtoul(str, &end, 10);
648 if (errno || end == NULL || idx >= num)
651 /* go ahead to separator '-',',' and ')' */
652 while (isblank(*end))
655 if (min == RTE_MAX_LCORE)
657 else /* avoid continuous '-' */
659 } else if ((*end == ',') || (*end == ')')) {
661 if (min == RTE_MAX_LCORE)
663 for (idx = RTE_MIN(min, max);
664 idx <= RTE_MAX(min, max); idx++)
672 } while (*end != '\0' && *end != ')');
675 * to avoid failure that tail blank makes end character check fail
676 * in eal_parse_lcores( )
678 while (isblank(*str))
684 /* convert from set array to cpuset bitmap */
686 convert_to_cpuset(rte_cpuset_t *cpusetp,
687 uint16_t *set, unsigned num)
693 for (idx = 0; idx < num; idx++) {
697 if (!lcore_config[idx].detected) {
698 RTE_LOG(ERR, EAL, "core %u "
699 "unavailable\n", idx);
703 CPU_SET(idx, cpusetp);
710 * The format pattern: --lcores='<lcores[@cpus]>[<,lcores[@cpus]>...]'
711 * lcores, cpus could be a single digit/range or a group.
712 * '(' and ')' are necessary if it's a group.
713 * If not supply '@cpus', the value of cpus uses the same as lcores.
714 * e.g. '1,2@(5-7),(3-5)@(0,2),(0,6),7-8' means start 9 EAL thread as below
715 * lcore 0 runs on cpuset 0x41 (cpu 0,6)
716 * lcore 1 runs on cpuset 0x2 (cpu 1)
717 * lcore 2 runs on cpuset 0xe0 (cpu 5,6,7)
718 * lcore 3,4,5 runs on cpuset 0x5 (cpu 0,2)
719 * lcore 6 runs on cpuset 0x41 (cpu 0,6)
720 * lcore 7 runs on cpuset 0x80 (cpu 7)
721 * lcore 8 runs on cpuset 0x100 (cpu 8)
724 eal_parse_lcores(const char *lcores)
726 struct rte_config *cfg = rte_eal_get_configuration();
727 static uint16_t set[RTE_MAX_LCORE];
730 const char *lcore_start = NULL;
731 const char *end = NULL;
740 /* Remove all blank characters ahead and after */
741 while (isblank(*lcores))
746 /* Reset lcore config */
747 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
748 cfg->lcore_role[idx] = ROLE_OFF;
749 lcore_config[idx].core_index = -1;
750 CPU_ZERO(&lcore_config[idx].cpuset);
753 /* Get list of cores */
755 while (isblank(*lcores))
762 /* record lcore_set start point */
763 lcore_start = lcores;
765 /* go across a complete bracket */
766 if (*lcore_start == '(') {
767 lcores += strcspn(lcores, ")");
768 if (*lcores++ == '\0')
772 /* scan the separator '@', ','(next) or '\0'(finish) */
773 lcores += strcspn(lcores, "@,");
775 if (*lcores == '@') {
776 /* explicit assign cpu_set */
777 offset = eal_parse_set(lcores + 1, set, RTE_DIM(set));
781 /* prepare cpu_set and update the end cursor */
782 if (0 > convert_to_cpuset(&cpuset,
785 end = lcores + 1 + offset;
786 } else { /* ',' or '\0' */
787 /* haven't given cpu_set, current loop done */
790 /* go back to check <number>-<number> */
791 offset = strcspn(lcore_start, "(-");
792 if (offset < (end - lcore_start) &&
793 *(lcore_start + offset) != '(')
797 if (*end != ',' && *end != '\0')
800 /* parse lcore_set from start point */
801 if (0 > eal_parse_set(lcore_start, set, RTE_DIM(set)))
804 /* without '@', by default using lcore_set as cpu_set */
805 if (*lcores != '@' &&
806 0 > convert_to_cpuset(&cpuset, set, RTE_DIM(set)))
809 /* start to update lcore_set */
810 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
814 if (cfg->lcore_role[idx] != ROLE_RTE) {
815 lcore_config[idx].core_index = count;
816 cfg->lcore_role[idx] = ROLE_RTE;
822 CPU_SET(idx, &cpuset);
824 rte_memcpy(&lcore_config[idx].cpuset, &cpuset,
825 sizeof(rte_cpuset_t));
829 } while (*end != '\0');
834 cfg->lcore_count = count;
843 eal_parse_syslog(const char *facility, struct internal_config *conf)
850 { "auth", LOG_AUTH },
851 { "cron", LOG_CRON },
852 { "daemon", LOG_DAEMON },
854 { "kern", LOG_KERN },
856 { "mail", LOG_MAIL },
857 { "news", LOG_NEWS },
858 { "syslog", LOG_SYSLOG },
859 { "user", LOG_USER },
860 { "uucp", LOG_UUCP },
861 { "local0", LOG_LOCAL0 },
862 { "local1", LOG_LOCAL1 },
863 { "local2", LOG_LOCAL2 },
864 { "local3", LOG_LOCAL3 },
865 { "local4", LOG_LOCAL4 },
866 { "local5", LOG_LOCAL5 },
867 { "local6", LOG_LOCAL6 },
868 { "local7", LOG_LOCAL7 },
872 for (i = 0; map[i].name; i++) {
873 if (!strcmp(facility, map[i].name)) {
874 conf->syslog_facility = map[i].value;
882 eal_parse_log_level(const char *arg)
884 char *end, *str, *type, *level;
891 if (strchr(str, ',') == NULL) {
895 type = strsep(&str, ",");
896 level = strsep(&str, ",");
900 tmp = strtoul(level, &end, 0);
902 /* check for errors */
903 if ((errno != 0) || (level[0] == '\0') ||
904 end == NULL || (*end != '\0'))
907 /* log_level is a uint32_t */
908 if (tmp >= UINT32_MAX)
912 rte_log_set_global_level(tmp);
913 } else if (rte_log_set_level_regexp(type, tmp) < 0) {
914 printf("cannot set log level %s,%lu\n",
927 static enum rte_proc_type_t
928 eal_parse_proc_type(const char *arg)
930 if (strncasecmp(arg, "primary", sizeof("primary")) == 0)
931 return RTE_PROC_PRIMARY;
932 if (strncasecmp(arg, "secondary", sizeof("secondary")) == 0)
933 return RTE_PROC_SECONDARY;
934 if (strncasecmp(arg, "auto", sizeof("auto")) == 0)
935 return RTE_PROC_AUTO;
937 return RTE_PROC_INVALID;
941 eal_parse_common_option(int opt, const char *optarg,
942 struct internal_config *conf)
947 if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI,
954 if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI,
961 if (eal_parse_coremask(optarg) < 0) {
962 RTE_LOG(ERR, EAL, "invalid coremask\n");
969 if (eal_parse_corelist(optarg) < 0) {
970 RTE_LOG(ERR, EAL, "invalid core list\n");
975 /* service coremask */
977 if (eal_parse_service_coremask(optarg) < 0) {
978 RTE_LOG(ERR, EAL, "invalid service coremask\n");
982 /* service corelist */
984 if (eal_parse_service_corelist(optarg) < 0) {
985 RTE_LOG(ERR, EAL, "invalid service core list\n");
991 conf->memory = atoi(optarg);
992 conf->memory *= 1024ULL;
993 conf->memory *= 1024ULL;
996 /* force number of channels */
998 conf->force_nchannel = atoi(optarg);
999 if (conf->force_nchannel == 0) {
1000 RTE_LOG(ERR, EAL, "invalid channel number\n");
1004 /* force number of ranks */
1006 conf->force_nrank = atoi(optarg);
1007 if (conf->force_nrank == 0 ||
1008 conf->force_nrank > 16) {
1009 RTE_LOG(ERR, EAL, "invalid rank number\n");
1013 /* force loading of external driver */
1015 if (eal_plugin_add(optarg) == -1)
1019 /* since message is explicitly requested by user, we
1020 * write message at highest log level so it can always
1022 * even if info or warning messages are disabled */
1023 RTE_LOG(CRIT, EAL, "RTE Version: '%s'\n", rte_version());
1027 case OPT_HUGE_UNLINK_NUM:
1028 conf->hugepage_unlink = 1;
1031 case OPT_NO_HUGE_NUM:
1032 conf->no_hugetlbfs = 1;
1035 case OPT_NO_PCI_NUM:
1039 case OPT_NO_HPET_NUM:
1043 case OPT_VMWARE_TSC_MAP_NUM:
1044 conf->vmware_tsc_map = 1;
1047 case OPT_NO_SHCONF_NUM:
1048 conf->no_shconf = 1;
1051 case OPT_PROC_TYPE_NUM:
1052 conf->process_type = eal_parse_proc_type(optarg);
1055 case OPT_MASTER_LCORE_NUM:
1056 if (eal_parse_master_lcore(optarg) < 0) {
1057 RTE_LOG(ERR, EAL, "invalid parameter for --"
1058 OPT_MASTER_LCORE "\n");
1064 if (rte_eal_devargs_add(RTE_DEVTYPE_VIRTUAL,
1070 case OPT_SYSLOG_NUM:
1071 if (eal_parse_syslog(optarg, conf) < 0) {
1072 RTE_LOG(ERR, EAL, "invalid parameters for --"
1078 case OPT_LOG_LEVEL_NUM: {
1079 if (eal_parse_log_level(optarg) < 0) {
1081 "invalid parameters for --"
1082 OPT_LOG_LEVEL "\n");
1087 case OPT_LCORES_NUM:
1088 if (eal_parse_lcores(optarg) < 0) {
1089 RTE_LOG(ERR, EAL, "invalid parameter for --"
1096 /* don't know what to do, leave this to caller */
1106 eal_auto_detect_cores(struct rte_config *cfg)
1108 unsigned int lcore_id;
1109 unsigned int removed = 0;
1110 rte_cpuset_t affinity_set;
1111 pthread_t tid = pthread_self();
1113 if (pthread_getaffinity_np(tid, sizeof(rte_cpuset_t),
1115 CPU_ZERO(&affinity_set);
1117 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1118 if (cfg->lcore_role[lcore_id] == ROLE_RTE &&
1119 !CPU_ISSET(lcore_id, &affinity_set)) {
1120 cfg->lcore_role[lcore_id] = ROLE_OFF;
1125 cfg->lcore_count -= removed;
1129 eal_adjust_config(struct internal_config *internal_cfg)
1132 struct rte_config *cfg = rte_eal_get_configuration();
1135 eal_auto_detect_cores(cfg);
1137 if (internal_config.process_type == RTE_PROC_AUTO)
1138 internal_config.process_type = eal_proc_type_detect();
1140 /* default master lcore is the first one */
1141 if (!master_lcore_parsed) {
1142 cfg->master_lcore = rte_get_next_lcore(-1, 0, 0);
1143 lcore_config[cfg->master_lcore].core_role = ROLE_RTE;
1146 /* if no memory amounts were requested, this will result in 0 and
1147 * will be overridden later, right after eal_hugepage_info_init() */
1148 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
1149 internal_cfg->memory += internal_cfg->socket_mem[i];
1155 eal_check_common_options(struct internal_config *internal_cfg)
1157 struct rte_config *cfg = rte_eal_get_configuration();
1159 if (cfg->lcore_role[cfg->master_lcore] != ROLE_RTE) {
1160 RTE_LOG(ERR, EAL, "Master lcore is not enabled for DPDK\n");
1164 if (internal_cfg->process_type == RTE_PROC_INVALID) {
1165 RTE_LOG(ERR, EAL, "Invalid process type specified\n");
1168 if (index(internal_cfg->hugefile_prefix, '%') != NULL) {
1169 RTE_LOG(ERR, EAL, "Invalid char, '%%', in --"OPT_FILE_PREFIX" "
1173 if (mem_parsed && internal_cfg->force_sockets == 1) {
1174 RTE_LOG(ERR, EAL, "Options -m and --"OPT_SOCKET_MEM" cannot "
1175 "be specified at the same time\n");
1178 if (internal_cfg->no_hugetlbfs && internal_cfg->force_sockets == 1) {
1179 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_MEM" cannot "
1180 "be specified together with --"OPT_NO_HUGE"\n");
1184 if (internal_cfg->no_hugetlbfs && internal_cfg->hugepage_unlink) {
1185 RTE_LOG(ERR, EAL, "Option --"OPT_HUGE_UNLINK" cannot "
1186 "be specified together with --"OPT_NO_HUGE"\n");
1190 if (rte_eal_devargs_type_count(RTE_DEVTYPE_WHITELISTED_PCI) != 0 &&
1191 rte_eal_devargs_type_count(RTE_DEVTYPE_BLACKLISTED_PCI) != 0) {
1192 RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) "
1193 "cannot be used at the same time\n");
1201 eal_common_usage(void)
1203 printf("[options]\n\n"
1204 "EAL common options:\n"
1205 " -c COREMASK Hexadecimal bitmask of cores to run on\n"
1206 " -l CORELIST List of cores to run on\n"
1207 " The argument format is <c1>[-c2][,c3[-c4],...]\n"
1208 " where c1, c2, etc are core indexes between 0 and %d\n"
1209 " --"OPT_LCORES" COREMAP Map lcore set to physical cpu set\n"
1210 " The argument format is\n"
1211 " '<lcores[@cpus]>[<,lcores[@cpus]>...]'\n"
1212 " lcores and cpus list are grouped by '(' and ')'\n"
1213 " Within the group, '-' is used for range separator,\n"
1214 " ',' is used for single number separator.\n"
1215 " '( )' can be omitted for single element group,\n"
1216 " '@' can be omitted if cpus and lcores have the same value\n"
1217 " -s SERVICE COREMASK Hexadecimal bitmask of cores to be used as service cores\n"
1218 " --"OPT_MASTER_LCORE" ID Core ID that is used as master\n"
1219 " -n CHANNELS Number of memory channels\n"
1220 " -m MB Memory to allocate (see also --"OPT_SOCKET_MEM")\n"
1221 " -r RANKS Force number of memory ranks (don't detect)\n"
1222 " -b, --"OPT_PCI_BLACKLIST" Add a PCI device in black list.\n"
1223 " Prevent EAL from using this PCI device. The argument\n"
1224 " format is <domain:bus:devid.func>.\n"
1225 " -w, --"OPT_PCI_WHITELIST" Add a PCI device in white list.\n"
1226 " Only use the specified PCI devices. The argument format\n"
1227 " is <[domain:]bus:devid.func>. This option can be present\n"
1228 " several times (once per device).\n"
1229 " [NOTE: PCI whitelist cannot be used with -b option]\n"
1230 " --"OPT_VDEV" Add a virtual device.\n"
1231 " The argument format is <driver><id>[,key=val,...]\n"
1232 " (ex: --vdev=net_pcap0,iface=eth2).\n"
1233 " -d LIB.so|DIR Add a driver or driver directory\n"
1234 " (can be used multiple times)\n"
1235 " --"OPT_VMWARE_TSC_MAP" Use VMware TSC map instead of native RDTSC\n"
1236 " --"OPT_PROC_TYPE" Type of this process (primary|secondary|auto)\n"
1237 " --"OPT_SYSLOG" Set syslog facility\n"
1238 " --"OPT_LOG_LEVEL"=<int> Set global log level\n"
1239 " --"OPT_LOG_LEVEL"=<type-regexp>,<int>\n"
1240 " Set specific log level\n"
1241 " -v Display version information on startup\n"
1242 " -h, --help This help\n"
1243 "\nEAL options for DEBUG use only:\n"
1244 " --"OPT_HUGE_UNLINK" Unlink hugepage files after init\n"
1245 " --"OPT_NO_HUGE" Use malloc instead of hugetlbfs\n"
1246 " --"OPT_NO_PCI" Disable PCI\n"
1247 " --"OPT_NO_HPET" Disable HPET\n"
1248 " --"OPT_NO_SHCONF" No shared config (mmap'd files)\n"
1249 "\n", RTE_MAX_LCORE);