/*-
* 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>
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)
char cpuset[RTE_CPU_AFFINITY_STR_LEN];
char thread_name[RTE_MAX_THREAD_NAME_LEN];
- if (!rte_atomic32_test_and_set(&run_once))
+ /* checks if the machine is adequate */
+ if (!rte_cpu_is_supported()) {
+ rte_eal_init_alert("unsupported cpu type.");
+ rte_errno = ENOTSUP;
return -1;
+ }
- thread_id = pthread_self();
+ if (!rte_atomic32_test_and_set(&run_once)) {
+ rte_eal_init_alert("already called initialization.");
+ rte_errno = EALREADY;
+ return -1;
+ }
- if (rte_eal_log_early_init() < 0)
- rte_panic("Cannot init early logs\n");
+ thread_id = pthread_self();
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) {
/* Set thread_name for aid in debugging. */
snprintf(thread_name, RTE_MAX_THREAD_NAME_LEN,
"lcore-slave-%d", i);
- pthread_set_name_np(lcore_config[i].thread_id, thread_name);
+ 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;
}