4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
5 * Copyright(c) 2014 6WIND S.A.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * * Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
18 * * Neither the name of Intel Corporation nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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28 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
50 #include <sys/queue.h>
52 #include <rte_common.h>
53 #include <rte_debug.h>
54 #include <rte_memory.h>
55 #include <rte_memzone.h>
56 #include <rte_launch.h>
57 #include <rte_tailq.h>
59 #include <rte_eal_memconfig.h>
60 #include <rte_per_lcore.h>
61 #include <rte_lcore.h>
63 #include <rte_random.h>
64 #include <rte_cycles.h>
65 #include <rte_string_fns.h>
66 #include <rte_cpuflags.h>
67 #include <rte_interrupts.h>
70 #include <rte_devargs.h>
71 #include <rte_common.h>
72 #include <rte_version.h>
73 #include <rte_atomic.h>
74 #include <malloc_heap.h>
75 #include <rte_eth_ring.h>
77 #include "eal_private.h"
78 #include "eal_thread.h"
79 #include "eal_internal_cfg.h"
80 #include "eal_filesystem.h"
81 #include "eal_hugepages.h"
83 #define OPT_HUGE_DIR "huge-dir"
84 #define OPT_PROC_TYPE "proc-type"
85 #define OPT_NO_SHCONF "no-shconf"
86 #define OPT_NO_HPET "no-hpet"
87 #define OPT_VMWARE_TSC_MAP "vmware-tsc-map"
88 #define OPT_NO_PCI "no-pci"
89 #define OPT_NO_HUGE "no-huge"
90 #define OPT_FILE_PREFIX "file-prefix"
91 #define OPT_SOCKET_MEM "socket-mem"
92 #define OPT_PCI_WHITELIST "pci-whitelist"
93 #define OPT_PCI_BLACKLIST "pci-blacklist"
94 #define OPT_VDEV "vdev"
95 #define OPT_SYSLOG "syslog"
96 #define OPT_LOG_LEVEL "log-level"
98 #define MEMSIZE_IF_NO_HUGE_PAGE (64ULL * 1024ULL * 1024ULL)
100 #define BITS_PER_HEX 4
102 /* Allow the application to print its usage message too if set */
103 static rte_usage_hook_t rte_application_usage_hook = NULL;
104 /* early configuration structure, when memory config is not mmapped */
105 static struct rte_mem_config early_mem_config;
107 /* define fd variable here, because file needs to be kept open for the
108 * duration of the program, as we hold a write lock on it in the primary proc */
109 static int mem_cfg_fd = -1;
111 static struct flock wr_lock = {
113 .l_whence = SEEK_SET,
114 .l_start = offsetof(struct rte_mem_config, memseg),
115 .l_len = sizeof(early_mem_config.memseg),
118 /* Address of global and public configuration */
119 static struct rte_config rte_config = {
120 .mem_config = &early_mem_config,
123 /* internal configuration (per-core) */
124 struct lcore_config lcore_config[RTE_MAX_LCORE];
126 /* internal configuration */
127 struct internal_config internal_config;
129 /* used by rte_rdtsc() */
130 int rte_cycles_vmware_tsc_map;
132 /* Return a pointer to the configuration structure */
134 rte_eal_get_configuration(void)
139 /* parse a sysfs (or other) file containing one integer value */
141 eal_parse_sysfs_value(const char *filename, unsigned long *val)
147 if ((f = fopen(filename, "r")) == NULL) {
148 RTE_LOG(ERR, EAL, "%s(): cannot open sysfs value %s\n",
153 if (fgets(buf, sizeof(buf), f) == NULL) {
154 RTE_LOG(ERR, EAL, "%s(): cannot read sysfs value %s\n",
159 *val = strtoul(buf, &end, 0);
160 if ((buf[0] == '\0') || (end == NULL) || (*end != '\n')) {
161 RTE_LOG(ERR, EAL, "%s(): cannot parse sysfs value %s\n",
171 /* create memory configuration in shared/mmap memory. Take out
172 * a write lock on the memsegs, so we can auto-detect primary/secondary.
173 * This means we never close the file while running (auto-close on exit).
174 * We also don't lock the whole file, so that in future we can use read-locks
175 * on other parts, e.g. memzones, to detect if there are running secondary
178 rte_eal_config_create(void)
180 void *rte_mem_cfg_addr;
183 const char *pathname = eal_runtime_config_path();
185 if (internal_config.no_shconf)
189 mem_cfg_fd = open(pathname, O_RDWR | O_CREAT, 0660);
191 rte_panic("Cannot open '%s' for rte_mem_config\n", pathname);
194 retval = ftruncate(mem_cfg_fd, sizeof(*rte_config.mem_config));
197 rte_panic("Cannot resize '%s' for rte_mem_config\n", pathname);
200 retval = fcntl(mem_cfg_fd, F_SETLK, &wr_lock);
203 rte_exit(EXIT_FAILURE, "Cannot create lock on '%s'. Is another primary "
204 "process running?\n", pathname);
207 rte_mem_cfg_addr = mmap(NULL, sizeof(*rte_config.mem_config),
208 PROT_READ | PROT_WRITE, MAP_SHARED, mem_cfg_fd, 0);
210 if (rte_mem_cfg_addr == MAP_FAILED){
211 rte_panic("Cannot mmap memory for rte_config\n");
213 memcpy(rte_mem_cfg_addr, &early_mem_config, sizeof(early_mem_config));
214 rte_config.mem_config = (struct rte_mem_config *) rte_mem_cfg_addr;
217 /* attach to an existing shared memory config */
219 rte_eal_config_attach(void)
221 void *rte_mem_cfg_addr;
222 const char *pathname = eal_runtime_config_path();
224 if (internal_config.no_shconf)
228 mem_cfg_fd = open(pathname, O_RDWR);
230 rte_panic("Cannot open '%s' for rte_mem_config\n", pathname);
233 rte_mem_cfg_addr = mmap(NULL, sizeof(*rte_config.mem_config),
234 PROT_READ | PROT_WRITE, MAP_SHARED, mem_cfg_fd, 0);
236 if (rte_mem_cfg_addr == MAP_FAILED)
237 rte_panic("Cannot mmap memory for rte_config\n");
239 rte_config.mem_config = (struct rte_mem_config *) rte_mem_cfg_addr;
242 /* Detect if we are a primary or a secondary process */
243 static enum rte_proc_type_t
244 eal_proc_type_detect(void)
246 enum rte_proc_type_t ptype = RTE_PROC_PRIMARY;
247 const char *pathname = eal_runtime_config_path();
249 /* if we can open the file but not get a write-lock we are a secondary
250 * process. NOTE: if we get a file handle back, we keep that open
251 * and don't close it to prevent a race condition between multiple opens */
252 if (((mem_cfg_fd = open(pathname, O_RDWR)) >= 0) &&
253 (fcntl(mem_cfg_fd, F_SETLK, &wr_lock) < 0))
254 ptype = RTE_PROC_SECONDARY;
256 RTE_LOG(INFO, EAL, "Auto-detected process type: %s\n",
257 ptype == RTE_PROC_PRIMARY ? "PRIMARY" : "SECONDARY");
262 /* Sets up rte_config structure with the pointer to shared memory config.*/
264 rte_config_init(void)
266 rte_config.process_type = (internal_config.process_type == RTE_PROC_AUTO) ?
267 eal_proc_type_detect() : /* for auto, detect the type */
268 internal_config.process_type; /* otherwise use what's already set */
270 switch (rte_config.process_type){
271 case RTE_PROC_PRIMARY:
272 rte_eal_config_create();
274 case RTE_PROC_SECONDARY:
275 rte_eal_config_attach();
276 rte_eal_mcfg_wait_complete(rte_config.mem_config);
279 case RTE_PROC_INVALID:
280 rte_panic("Invalid process type\n");
286 eal_usage(const char *prgname)
288 printf("\nUsage: %s -c COREMASK -n NUM [-m NB] [-r NUM] [-b <domain:bus:devid.func>]"
289 "[--proc-type primary|secondary|auto] \n\n"
291 " -c COREMASK : A hexadecimal bitmask of cores to run on\n"
292 " -n NUM : Number of memory channels\n"
293 " -v : Display version information on startup\n"
294 " -m MB : memory to allocate\n"
295 " -r NUM : force number of memory ranks (don't detect)\n"
296 " --"OPT_LOG_LEVEL" : set default log level\n"
297 " --"OPT_PROC_TYPE" : type of this process\n"
298 " --"OPT_PCI_BLACKLIST", -b: add a PCI device in black list.\n"
299 " Prevent EAL from using this PCI device. The argument\n"
300 " format is <domain:bus:devid.func>.\n"
301 " --"OPT_PCI_WHITELIST", -w: add a PCI device in white list.\n"
302 " Only use the specified PCI devices. The argument format\n"
303 " is <[domain:]bus:devid.func>. This option can be present\n"
304 " several times (once per device).\n"
305 " [NOTE: PCI whitelist cannot be used with -b option]\n"
306 " --"OPT_VDEV": add a virtual device.\n"
307 " The argument format is <driver><id>[,key=val,...]\n"
308 " (ex: --vdev=eth_pcap0,iface=eth2).\n"
309 " --"OPT_VMWARE_TSC_MAP": use VMware TSC map instead of native RDTSC\n"
310 "\nEAL options for DEBUG use only:\n"
311 " --"OPT_NO_HUGE" : use malloc instead of hugetlbfs\n"
312 " --"OPT_NO_PCI" : disable pci\n"
313 " --"OPT_NO_SHCONF": no shared config (mmap'd files)\n"
316 /* Allow the application to print its usage message too if hook is set */
317 if ( rte_application_usage_hook ) {
318 printf("===== Application Usage =====\n\n");
319 rte_application_usage_hook(prgname);
323 /* Set a per-application usage message */
325 rte_set_application_usage_hook( rte_usage_hook_t usage_func )
327 rte_usage_hook_t old_func;
329 /* Will be NULL on the first call to denote the last usage routine. */
330 old_func = rte_application_usage_hook;
331 rte_application_usage_hook = usage_func;
337 * Parse the coremask given as argument (hexadecimal string) and fill
338 * the global configuration (core role and core count) with the parsed
341 static int xdigit2val(unsigned char c)
353 eal_parse_coremask(const char *coremask)
355 struct rte_config *cfg = rte_eal_get_configuration();
361 if (coremask == NULL)
363 /* Remove all blank characters ahead and after .
364 * Remove 0x/0X if exists.
366 while (isblank(*coremask))
368 if (coremask[0] == '0' && ((coremask[1] == 'x')
369 || (coremask[1] == 'X')) )
371 i = strnlen(coremask, sysconf(_SC_ARG_MAX));
372 while ((i > 0) && isblank(coremask[i - 1]))
377 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
379 if (isxdigit(c) == 0) {
380 /* invalid characters */
384 for(j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++) {
386 cfg->lcore_role[idx] = ROLE_RTE;
388 cfg->master_lcore = idx;
391 cfg->lcore_role[idx] = ROLE_OFF;
396 if(coremask[i] != '0')
398 for(; idx < RTE_MAX_LCORE; idx++)
399 cfg->lcore_role[idx] = ROLE_OFF;
406 eal_parse_syslog(const char *facility)
413 { "auth", LOG_AUTH },
414 { "cron", LOG_CRON },
415 { "daemon", LOG_DAEMON },
417 { "kern", LOG_KERN },
419 { "mail", LOG_MAIL },
420 { "news", LOG_NEWS },
421 { "syslog", LOG_SYSLOG },
422 { "user", LOG_USER },
423 { "uucp", LOG_UUCP },
424 { "local0", LOG_LOCAL0 },
425 { "local1", LOG_LOCAL1 },
426 { "local2", LOG_LOCAL2 },
427 { "local3", LOG_LOCAL3 },
428 { "local4", LOG_LOCAL4 },
429 { "local5", LOG_LOCAL5 },
430 { "local6", LOG_LOCAL6 },
431 { "local7", LOG_LOCAL7 },
435 for (i = 0; map[i].name; i++) {
436 if (!strcmp(facility, map[i].name)) {
437 internal_config.syslog_facility = map[i].value;
445 eal_parse_log_level(const char *level, uint32_t *log_level)
451 tmp = strtoul(level, &end, 0);
453 /* check for errors */
454 if ((errno != 0) || (level[0] == '\0') ||
455 end == NULL || (*end != '\0'))
458 /* log_level is a uint32_t */
459 if (tmp >= UINT32_MAX)
467 eal_get_hugepage_mem_size(void)
472 for (i = 0; i < internal_config.num_hugepage_sizes; i++) {
473 struct hugepage_info *hpi = &internal_config.hugepage_info[i];
474 if (hpi->hugedir != NULL) {
475 for (j = 0; j < RTE_MAX_NUMA_NODES; j++) {
476 size += hpi->hugepage_sz * hpi->num_pages[j];
481 return (size < SIZE_MAX) ? (size_t)(size) : SIZE_MAX;
484 static enum rte_proc_type_t
485 eal_parse_proc_type(const char *arg)
487 if (strncasecmp(arg, "primary", sizeof("primary")) == 0)
488 return RTE_PROC_PRIMARY;
489 if (strncasecmp(arg, "secondary", sizeof("secondary")) == 0)
490 return RTE_PROC_SECONDARY;
491 if (strncasecmp(arg, "auto", sizeof("auto")) == 0)
492 return RTE_PROC_AUTO;
494 return RTE_PROC_INVALID;
497 /* Parse the argument given in the command line of the application */
499 eal_parse_args(int argc, char **argv)
505 char *prgname = argv[0];
506 static struct option lgopts[] = {
507 {OPT_NO_HUGE, 0, 0, 0},
508 {OPT_NO_PCI, 0, 0, 0},
509 {OPT_NO_HPET, 0, 0, 0},
510 {OPT_VMWARE_TSC_MAP, 0, 0, 0},
511 {OPT_HUGE_DIR, 1, 0, 0},
512 {OPT_NO_SHCONF, 0, 0, 0},
513 {OPT_PROC_TYPE, 1, 0, 0},
514 {OPT_FILE_PREFIX, 1, 0, 0},
515 {OPT_SOCKET_MEM, 1, 0, 0},
516 {OPT_PCI_WHITELIST, 1, 0, 0},
517 {OPT_PCI_BLACKLIST, 1, 0, 0},
519 {OPT_SYSLOG, 1, NULL, 0},
520 {OPT_LOG_LEVEL, 1, NULL, 0},
526 internal_config.memory = 0;
527 internal_config.force_nrank = 0;
528 internal_config.force_nchannel = 0;
529 internal_config.hugefile_prefix = HUGEFILE_PREFIX_DEFAULT;
530 internal_config.hugepage_dir = NULL;
531 internal_config.force_sockets = 0;
532 internal_config.syslog_facility = LOG_DAEMON;
533 /* default value from build option */
534 internal_config.log_level = RTE_LOG_LEVEL;
535 #ifdef RTE_LIBEAL_USE_HPET
536 internal_config.no_hpet = 0;
538 internal_config.no_hpet = 1;
540 /* zero out the NUMA config */
541 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
542 internal_config.socket_mem[i] = 0;
544 /* zero out hugedir descriptors */
545 for (i = 0; i < MAX_HUGEPAGE_SIZES; i++)
546 internal_config.hugepage_info[i].lock_descriptor = 0;
548 internal_config.vmware_tsc_map = 0;
550 while ((opt = getopt_long(argc, argvopt, "b:w:c:m:n:r:v",
551 lgopts, &option_index)) != EOF) {
556 if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI,
564 if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI,
572 if (eal_parse_coremask(optarg) < 0) {
573 RTE_LOG(ERR, EAL, "invalid coremask\n");
581 internal_config.memory = atoi(optarg);
582 internal_config.memory *= 1024ULL;
583 internal_config.memory *= 1024ULL;
585 /* force number of channels */
587 internal_config.force_nchannel = atoi(optarg);
588 if (internal_config.force_nchannel == 0 ||
589 internal_config.force_nchannel > 4) {
590 RTE_LOG(ERR, EAL, "invalid channel number\n");
595 /* force number of ranks */
597 internal_config.force_nrank = atoi(optarg);
598 if (internal_config.force_nrank == 0 ||
599 internal_config.force_nrank > 16) {
600 RTE_LOG(ERR, EAL, "invalid rank number\n");
606 /* since message is explicitly requested by user, we
607 * write message at highest log level so it can always be seen
608 * even if info or warning messages are disabled */
609 RTE_LOG(CRIT, EAL, "RTE Version: '%s'\n", rte_version());
614 if (!strcmp(lgopts[option_index].name, OPT_NO_HUGE)) {
615 internal_config.no_hugetlbfs = 1;
617 else if (!strcmp(lgopts[option_index].name, OPT_NO_PCI)) {
618 internal_config.no_pci = 1;
620 else if (!strcmp(lgopts[option_index].name, OPT_NO_HPET)) {
621 internal_config.no_hpet = 1;
623 else if (!strcmp(lgopts[option_index].name, OPT_VMWARE_TSC_MAP)) {
624 internal_config.vmware_tsc_map = 1;
626 else if (!strcmp(lgopts[option_index].name, OPT_NO_SHCONF)) {
627 internal_config.no_shconf = 1;
629 else if (!strcmp(lgopts[option_index].name, OPT_PROC_TYPE)) {
630 internal_config.process_type = eal_parse_proc_type(optarg);
632 else if (!strcmp(lgopts[option_index].name, OPT_PCI_BLACKLIST)) {
633 if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI,
639 else if (!strcmp(lgopts[option_index].name, OPT_PCI_WHITELIST)) {
640 if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI,
646 else if (!strcmp(lgopts[option_index].name, OPT_VDEV)) {
647 if (rte_eal_devargs_add(RTE_DEVTYPE_VIRTUAL,
653 else if (!strcmp(lgopts[option_index].name, OPT_SYSLOG)) {
654 if (eal_parse_syslog(optarg) < 0) {
655 RTE_LOG(ERR, EAL, "invalid parameters for --"
660 } else if (!strcmp(lgopts[option_index].name,
664 if (eal_parse_log_level(optarg, &log) < 0) {
666 "invalid parameters for --"
671 internal_config.log_level = log;
673 RTE_LOG(ERR, EAL, "Option %s is not supported "
675 lgopts[option_index].name);
689 RTE_LOG(ERR, EAL, "coremask not specified\n");
693 if (internal_config.process_type == RTE_PROC_AUTO){
694 internal_config.process_type = eal_proc_type_detect();
696 if (internal_config.process_type == RTE_PROC_INVALID){
697 RTE_LOG(ERR, EAL, "Invalid process type specified\n");
701 if (internal_config.process_type == RTE_PROC_PRIMARY &&
702 internal_config.force_nchannel == 0) {
703 RTE_LOG(ERR, EAL, "Number of memory channels (-n) not specified\n");
707 if (index(internal_config.hugefile_prefix,'%') != NULL){
708 RTE_LOG(ERR, EAL, "Invalid char, '%%', in '"OPT_FILE_PREFIX"' option\n");
712 if (internal_config.memory > 0 && internal_config.force_sockets == 1) {
713 RTE_LOG(ERR, EAL, "Options -m and --socket-mem cannot be specified "
714 "at the same time\n");
718 /* --no-huge doesn't make sense with either -m or --socket-mem */
719 if (internal_config.no_hugetlbfs &&
720 (internal_config.memory > 0 ||
721 internal_config.force_sockets == 1)) {
722 RTE_LOG(ERR, EAL, "Options -m or --socket-mem cannot be specified "
723 "together with --no-huge!\n");
728 if (rte_eal_devargs_type_count(RTE_DEVTYPE_WHITELISTED_PCI) != 0 &&
729 rte_eal_devargs_type_count(RTE_DEVTYPE_BLACKLISTED_PCI) != 0) {
730 RTE_LOG(ERR, EAL, "Error: blacklist [-b] and whitelist "
731 "[-w] options cannot be used at the same time\n");
737 argv[optind-1] = prgname;
739 /* if no memory amounts were requested, this will result in 0 and
740 * will be overriden later, right after eal_hugepage_info_init() */
741 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
742 internal_config.memory += internal_config.socket_mem[i];
745 optind = 0; /* reset getopt lib */
750 eal_check_mem_on_local_socket(void)
752 const struct rte_memseg *ms;
755 socket_id = rte_lcore_to_socket_id(rte_config.master_lcore);
757 ms = rte_eal_get_physmem_layout();
759 for (i = 0; i < RTE_MAX_MEMSEG; i++)
760 if (ms[i].socket_id == socket_id &&
764 RTE_LOG(WARNING, EAL, "WARNING: Master core has no "
765 "memory on local socket!\n");
769 sync_func(__attribute__((unused)) void *arg)
775 rte_eal_mcfg_complete(void)
777 /* ALL shared mem_config related INIT DONE */
778 if (rte_config.process_type == RTE_PROC_PRIMARY)
779 rte_config.mem_config->magic = RTE_MAGIC;
782 /* return non-zero if hugepages are enabled. */
783 int rte_eal_has_hugepages(void)
785 return !internal_config.no_hugetlbfs;
788 /* Abstraction for port I/0 privilege */
790 rte_eal_iopl_init(void)
793 fd = open("/dev/io", O_RDWR);
799 /* Launch threads, called at application init(). */
801 rte_eal_init(int argc, char **argv)
805 static rte_atomic32_t run_once = RTE_ATOMIC32_INIT(0);
807 if (!rte_atomic32_test_and_set(&run_once))
810 thread_id = pthread_self();
812 if (rte_eal_log_early_init() < 0)
813 rte_panic("Cannot init early logs\n");
815 fctret = eal_parse_args(argc, argv);
819 /* set log level as early as possible */
820 rte_set_log_level(internal_config.log_level);
822 if (internal_config.no_hugetlbfs == 0 &&
823 internal_config.process_type != RTE_PROC_SECONDARY &&
824 eal_hugepage_info_init() < 0)
825 rte_panic("Cannot get hugepage information\n");
827 if (internal_config.memory == 0 && internal_config.force_sockets == 0) {
828 if (internal_config.no_hugetlbfs)
829 internal_config.memory = MEMSIZE_IF_NO_HUGE_PAGE;
831 internal_config.memory = eal_get_hugepage_mem_size();
834 if (internal_config.vmware_tsc_map == 1) {
835 #ifdef RTE_LIBRTE_EAL_VMWARE_TSC_MAP_SUPPORT
836 rte_cycles_vmware_tsc_map = 1;
837 RTE_LOG (DEBUG, EAL, "Using VMWARE TSC MAP, "
838 "you must have monitor_control.pseudo_perfctr = TRUE\n");
840 RTE_LOG (WARNING, EAL, "Ignoring --vmware-tsc-map because "
841 "RTE_LIBRTE_EAL_VMWARE_TSC_MAP_SUPPORT is not set\n");
845 rte_srand(rte_rdtsc());
849 if (rte_eal_iopl_init() == 0)
850 rte_config.flags |= EAL_FLG_HIGH_IOPL;
852 if (rte_eal_cpu_init() < 0)
853 rte_panic("Cannot detect lcores\n");
855 if (rte_eal_memory_init() < 0)
856 rte_panic("Cannot init memory\n");
858 if (rte_eal_memzone_init() < 0)
859 rte_panic("Cannot init memzone\n");
861 if (rte_eal_tailqs_init() < 0)
862 rte_panic("Cannot init tail queues for objects\n");
864 /* if (rte_eal_log_init(argv[0], internal_config.syslog_facility) < 0)
865 rte_panic("Cannot init logs\n");*/
867 if (rte_eal_alarm_init() < 0)
868 rte_panic("Cannot init interrupt-handling thread\n");
870 if (rte_eal_intr_init() < 0)
871 rte_panic("Cannot init interrupt-handling thread\n");
873 if (rte_eal_timer_init() < 0)
874 rte_panic("Cannot init HPET or TSC timers\n");
876 if (rte_eal_pci_init() < 0)
877 rte_panic("Cannot init PCI\n");
879 RTE_LOG(DEBUG, EAL, "Master core %u is ready (tid=%p)\n",
880 rte_config.master_lcore, thread_id);
882 eal_check_mem_on_local_socket();
884 rte_eal_mcfg_complete();
886 if (rte_eal_dev_init(PMD_INIT_PRE_PCI_PROBE) < 0)
887 rte_panic("Cannot init pmd devices\n");
889 RTE_LCORE_FOREACH_SLAVE(i) {
892 * create communication pipes between master thread
895 if (pipe(lcore_config[i].pipe_master2slave) < 0)
896 rte_panic("Cannot create pipe\n");
897 if (pipe(lcore_config[i].pipe_slave2master) < 0)
898 rte_panic("Cannot create pipe\n");
900 lcore_config[i].state = WAIT;
902 /* create a thread for each lcore */
903 ret = pthread_create(&lcore_config[i].thread_id, NULL,
904 eal_thread_loop, NULL);
906 rte_panic("Cannot create thread\n");
909 eal_thread_init_master(rte_config.master_lcore);
912 * Launch a dummy function on all slave lcores, so that master lcore
913 * knows they are all ready when this function returns.
915 rte_eal_mp_remote_launch(sync_func, NULL, SKIP_MASTER);
916 rte_eal_mp_wait_lcore();
918 /* Probe & Initialize PCI devices */
919 if (rte_eal_pci_probe())
920 rte_panic("Cannot probe PCI\n");
922 /* Initialize any outstanding devices */
923 if (rte_eal_dev_init(PMD_INIT_POST_PCI_PROBE) < 0)
924 rte_panic("Cannot init pmd devices\n");
930 enum rte_lcore_role_t
931 rte_eal_lcore_role(unsigned lcore_id)
933 return (rte_config.lcore_role[lcore_id]);
937 rte_eal_process_type(void)
939 return (rte_config.process_type);