/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
* Copyright(c) 2014 6WIND S.A.
* All rights reserved.
*
#include <rte_launch.h>
#include <rte_eal.h>
#include <rte_eal_memconfig.h>
+#include <rte_errno.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
#include <rte_log.h>
#include <rte_string_fns.h>
#include <rte_cpuflags.h>
#include <rte_interrupts.h>
+#include <rte_bus.h>
#include <rte_pci.h>
#include <rte_dev.h>
#include <rte_devargs.h>
int opt;
char **argvopt;
int option_index;
+ const int old_optind = optind;
+ const int old_optopt = optopt;
+ const int old_optreset = optreset;
+ char * const old_optarg = optarg;
argvopt = argv;
+ optind = 1;
+ optreset = 1;
eal_reset_internal_config(&internal_config);
break;
}
- optind = 0; /* reset getopt lib */
+ /* restore getopt lib */
+ optind = old_optind;
+ optopt = old_optopt;
+ optreset = old_optreset;
+ optarg = old_optarg;
}
/* Parse the argument given in the command line of the application */
char **argvopt;
int option_index;
char *prgname = argv[0];
+ const int old_optind = optind;
+ const int old_optopt = optopt;
+ const int old_optreset = optreset;
+ char * const old_optarg = optarg;
argvopt = argv;
+ optind = 1;
+ optreset = 1;
while ((opt = getopt_long(argc, argvopt, eal_short_options,
eal_long_options, &option_index)) != EOF) {
- int ret;
-
/* getopt is not happy, stop right now */
if (opt == '?') {
eal_usage(prgname);
- return -1;
+ ret = -1;
+ goto out;
}
ret = eal_parse_common_option(opt, optarg, &internal_config);
/* common parser is not happy */
if (ret < 0) {
eal_usage(prgname);
- return -1;
+ ret = -1;
+ goto out;
}
/* common parser handled this option */
if (ret == 0)
"on FreeBSD\n", opt);
}
eal_usage(prgname);
- return -1;
+ ret = -1;
+ goto out;
}
}
- if (eal_adjust_config(&internal_config) != 0)
- return -1;
+ if (eal_adjust_config(&internal_config) != 0) {
+ ret = -1;
+ goto out;
+ }
/* sanity checks */
if (eal_check_common_options(&internal_config) != 0) {
eal_usage(prgname);
- return -1;
+ ret = -1;
+ goto out;
}
if (optind >= 0)
argv[optind-1] = prgname;
ret = optind-1;
- optind = 0; /* reset getopt lib */
+
+out:
+ /* restore getopt lib */
+ optind = old_optind;
+ optopt = old_optopt;
+ optreset = old_optreset;
+ optarg = old_optarg;
+
return ret;
}
return 0;
}
+static void rte_eal_init_alert(const char *msg)
+{
+ fprintf(stderr, "EAL: FATAL: %s\n", msg);
+ RTE_LOG(ERR, EAL, "%s\n", msg);
+}
+
/* Launch threads, called at application init(). */
int
rte_eal_init(int argc, char **argv)
pthread_t thread_id;
static rte_atomic32_t run_once = RTE_ATOMIC32_INIT(0);
char cpuset[RTE_CPU_AFFINITY_STR_LEN];
+ char thread_name[RTE_MAX_THREAD_NAME_LEN];
+
+ /* checks if the machine is adequate */
+ if (!rte_cpu_is_supported()) {
+ rte_eal_init_alert("unsupported cpu type.");
+ rte_errno = ENOTSUP;
+ return -1;
+ }
- if (!rte_atomic32_test_and_set(&run_once))
+ if (!rte_atomic32_test_and_set(&run_once)) {
+ rte_eal_init_alert("already called initialization.");
+ rte_errno = EALREADY;
return -1;
+ }
thread_id = pthread_self();
- if (rte_eal_log_early_init() < 0)
- rte_panic("Cannot init early logs\n");
-
eal_log_level_parse(argc, argv);
/* set log level as early as possible */
rte_set_log_level(internal_config.log_level);
- if (rte_eal_cpu_init() < 0)
- rte_panic("Cannot detect lcores\n");
+ if (rte_eal_cpu_init() < 0) {
+ rte_eal_init_alert("Cannot detect lcores.");
+ rte_errno = ENOTSUP;
+ return -1;
+ }
fctret = eal_parse_args(argc, argv);
- if (fctret < 0)
- exit(1);
+ if (fctret < 0) {
+ rte_eal_init_alert("Invalid 'command line' arguments.");
+ rte_errno = EINVAL;
+ rte_atomic32_clear(&run_once);
+ return -1;
+ }
if (internal_config.no_hugetlbfs == 0 &&
internal_config.process_type != RTE_PROC_SECONDARY &&
- eal_hugepage_info_init() < 0)
- rte_panic("Cannot get hugepage information\n");
+ eal_hugepage_info_init() < 0) {
+ rte_eal_init_alert("Cannot get hugepage information.");
+ rte_errno = EACCES;
+ rte_atomic32_clear(&run_once);
+ return -1;
+ }
if (internal_config.memory == 0 && internal_config.force_sockets == 0) {
if (internal_config.no_hugetlbfs)
rte_config_init();
- if (rte_eal_memory_init() < 0)
- rte_panic("Cannot init memory\n");
-
- if (rte_eal_memzone_init() < 0)
- rte_panic("Cannot init memzone\n");
+ if (rte_eal_memory_init() < 0) {
+ rte_eal_init_alert("Cannot init memory\n");
+ rte_errno = ENOMEM;
+ return -1;
+ }
- if (rte_eal_tailqs_init() < 0)
- rte_panic("Cannot init tail queues for objects\n");
+ if (rte_eal_memzone_init() < 0) {
+ rte_eal_init_alert("Cannot init memzone\n");
+ rte_errno = ENODEV;
+ return -1;
+ }
-/* if (rte_eal_log_init(argv[0], internal_config.syslog_facility) < 0)
- rte_panic("Cannot init logs\n");*/
+ if (rte_eal_tailqs_init() < 0) {
+ rte_eal_init_alert("Cannot init tail queues for objects\n");
+ rte_errno = EFAULT;
+ return -1;
+ }
- if (rte_eal_alarm_init() < 0)
- rte_panic("Cannot init interrupt-handling thread\n");
+ if (rte_eal_alarm_init() < 0) {
+ rte_eal_init_alert("Cannot init interrupt-handling thread\n");
+ /* rte_eal_alarm_init sets rte_errno on failure. */
+ return -1;
+ }
- if (rte_eal_intr_init() < 0)
- rte_panic("Cannot init interrupt-handling thread\n");
+ if (rte_eal_intr_init() < 0) {
+ rte_eal_init_alert("Cannot init interrupt-handling thread\n");
+ return -1;
+ }
- if (rte_eal_timer_init() < 0)
- rte_panic("Cannot init HPET or TSC timers\n");
+ if (rte_eal_timer_init() < 0) {
+ rte_eal_init_alert("Cannot init HPET or TSC timers\n");
+ rte_errno = ENOTSUP;
+ return -1;
+ }
if (rte_eal_pci_init() < 0)
rte_panic("Cannot init PCI\n");
eal_check_mem_on_local_socket();
- rte_eal_mcfg_complete();
+ if (eal_plugins_init() < 0)
+ rte_panic("Cannot init plugins\n");
eal_thread_init_master(rte_config.master_lcore);
rte_config.master_lcore, thread_id, cpuset,
ret == 0 ? "" : "...");
- if (rte_eal_dev_init() < 0)
- rte_panic("Cannot init pmd devices\n");
+ if (rte_bus_scan())
+ rte_panic("Cannot scan the buses for devices\n");
RTE_LCORE_FOREACH_SLAVE(i) {
eal_thread_loop, NULL);
if (ret != 0)
rte_panic("Cannot create thread\n");
+
+ /* Set thread_name for aid in debugging. */
+ snprintf(thread_name, RTE_MAX_THREAD_NAME_LEN,
+ "lcore-slave-%d", i);
+ rte_thread_setname(lcore_config[i].thread_id, thread_name);
}
/*
rte_eal_mp_remote_launch(sync_func, NULL, SKIP_MASTER);
rte_eal_mp_wait_lcore();
+ /* Probe all the buses and devices/drivers on them */
+ if (rte_bus_probe())
+ rte_panic("Cannot probe devices\n");
+
/* Probe & Initialize PCI devices */
if (rte_eal_pci_probe())
rte_panic("Cannot probe PCI\n");
+ if (rte_eal_dev_init() < 0)
+ rte_panic("Cannot init pmd devices\n");
+
+ rte_eal_mcfg_complete();
+
return fctret;
}
git.droids-corp.org / dpdk.git / blobdiff