/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
+ * Copyright(c) 2010-2018 Intel Corporation. All rights reserved.
* Copyright(c) 2014 6WIND S.A.
* All rights reserved.
*
#include <stddef.h>
#include <errno.h>
#include <limits.h>
-#include <errno.h>
#include <sys/mman.h>
#include <sys/queue.h>
+#include <rte_compat.h>
#include <rte_common.h>
#include <rte_debug.h>
#include <rte_memory.h>
-#include <rte_memzone.h>
#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_service_component.h>
#include <rte_log.h>
#include <rte_random.h>
#include <rte_cycles.h>
#include <rte_string_fns.h>
#include <rte_cpuflags.h>
#include <rte_interrupts.h>
-#include <rte_pci.h>
+#include <rte_bus.h>
#include <rte_dev.h>
#include <rte_devargs.h>
-#include <rte_common.h>
#include <rte_version.h>
#include <rte_atomic.h>
#include <malloc_heap.h>
/* used by rte_rdtsc() */
int rte_cycles_vmware_tsc_map;
+/* Return mbuf pool ops name */
+const char *
+rte_eal_mbuf_default_mempool_ops(void)
+{
+ return internal_config.user_mbuf_pool_ops_name;
+}
+
/* Return a pointer to the configuration structure */
struct rte_config *
rte_eal_get_configuration(void)
return &rte_config;
}
+enum rte_iova_mode
+rte_eal_iova_mode(void)
+{
+ return rte_eal_get_configuration()->iova_mode;
+}
+
/* parse a sysfs (or other) file containing one integer value */
int
eal_parse_sysfs_value(const char *filename, unsigned long *val)
rte_panic("Cannot mmap memory for rte_config\n");
}
memcpy(rte_mem_cfg_addr, &early_mem_config, sizeof(early_mem_config));
- rte_config.mem_config = (struct rte_mem_config *) rte_mem_cfg_addr;
+ rte_config.mem_config = rte_mem_cfg_addr;
}
/* attach to an existing shared memory config */
if (rte_mem_cfg_addr == MAP_FAILED)
rte_panic("Cannot mmap memory for rte_config\n");
- rte_config.mem_config = (struct rte_mem_config *) rte_mem_cfg_addr;
+ rte_config.mem_config = rte_mem_cfg_addr;
}
/* Detect if we are a primary or a secondary process */
optind = 1;
optreset = 1;
- eal_reset_internal_config(&internal_config);
-
while ((opt = getopt_long(argc, argvopt, eal_short_options,
eal_long_options, &option_index)) != EOF) {
continue;
switch (opt) {
+ case OPT_MBUF_POOL_OPS_NAME_NUM:
+ internal_config.user_mbuf_pool_ops_name = optarg;
+ break;
case 'h':
eal_usage(prgname);
exit(EXIT_SUCCESS);
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 thread_name[RTE_MAX_THREAD_NAME_LEN];
/* checks if the machine is adequate */
- rte_cpu_check_supported();
+ 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();
- eal_log_level_parse(argc, argv);
+ eal_reset_internal_config(&internal_config);
/* set log level as early as possible */
- rte_set_log_level(internal_config.log_level);
+ eal_log_level_parse(argc, argv);
- 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 (eal_plugins_init() < 0) {
+ rte_eal_init_alert("Cannot init plugins\n");
+ rte_errno = EINVAL;
+ rte_atomic32_clear(&run_once);
+ return -1;
+ }
+
+ if (eal_option_device_parse()) {
+ rte_errno = ENODEV;
+ rte_atomic32_clear(&run_once);
+ return -1;
+ }
+
+ if (rte_bus_scan()) {
+ rte_eal_init_alert("Cannot scan the buses for devices\n");
+ rte_errno = ENODEV;
+ rte_atomic32_clear(&run_once);
+ return -1;
+ }
+
+ /* autodetect the iova mapping mode (default is iova_pa) */
+ rte_eal_get_configuration()->iova_mode = rte_bus_get_iommu_class();
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_mp_channel_init() < 0) {
+ rte_eal_init_alert("failed to init mp channel\n");
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ rte_errno = EFAULT;
+ return -1;
+ }
+ }
- 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_alarm_init() < 0)
- rte_panic("Cannot init interrupt-handling thread\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_intr_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_timer_init() < 0)
- rte_panic("Cannot init HPET or TSC timers\n");
+ if (rte_eal_intr_init() < 0) {
+ rte_eal_init_alert("Cannot init interrupt-handling thread\n");
+ return -1;
+ }
- if (rte_eal_pci_init() < 0)
- rte_panic("Cannot init PCI\n");
+ if (rte_eal_timer_init() < 0) {
+ rte_eal_init_alert("Cannot init HPET or TSC timers\n");
+ rte_errno = ENOTSUP;
+ return -1;
+ }
eal_check_mem_on_local_socket();
- if (eal_plugins_init() < 0)
- rte_panic("Cannot init plugins\n");
-
eal_thread_init_master(rte_config.master_lcore);
ret = eal_thread_dump_affinity(cpuset, RTE_CPU_AFFINITY_STR_LEN);
rte_eal_mp_remote_launch(sync_func, NULL, SKIP_MASTER);
rte_eal_mp_wait_lcore();
- /* Probe & Initialize PCI devices */
- if (rte_eal_pci_probe())
- rte_panic("Cannot probe PCI\n");
+ /* initialize services so vdevs register service during bus_probe. */
+ ret = rte_service_init();
+ if (ret) {
+ rte_eal_init_alert("rte_service_init() failed\n");
+ rte_errno = ENOEXEC;
+ return -1;
+ }
+
+ /* Probe all the buses and devices/drivers on them */
+ if (rte_bus_probe()) {
+ rte_eal_init_alert("Cannot probe devices\n");
+ rte_errno = ENOTSUP;
+ return -1;
+ }
- if (rte_eal_dev_init() < 0)
- rte_panic("Cannot init pmd devices\n");
+ /* initialize default service/lcore mappings and start running. Ignore
+ * -ENOTSUP, as it indicates no service coremask passed to EAL.
+ */
+ ret = rte_service_start_with_defaults();
+ if (ret < 0 && ret != -ENOTSUP) {
+ rte_errno = ENOEXEC;
+ return -1;
+ }
rte_eal_mcfg_complete();
return fctret;
}
+int __rte_experimental
+rte_eal_cleanup(void)
+{
+ rte_service_finalize();
+ return 0;
+}
+
/* get core role */
enum rte_lcore_role_t
rte_eal_lcore_role(unsigned lcore_id)
{
return rte_config.process_type;
}
+
+int rte_eal_has_pci(void)
+{
+ return !internal_config.no_pci;
+}
+
+int rte_eal_create_uio_dev(void)
+{
+ return internal_config.create_uio_dev;
+}
+
+enum rte_intr_mode
+rte_eal_vfio_intr_mode(void)
+{
+ return RTE_INTR_MODE_NONE;
+}
+
+/* dummy forward declaration. */
+struct vfio_device_info;
+
+/* dummy prototypes. */
+int rte_vfio_setup_device(const char *sysfs_base, const char *dev_addr,
+ int *vfio_dev_fd, struct vfio_device_info *device_info);
+int rte_vfio_release_device(const char *sysfs_base, const char *dev_addr, int fd);
+int rte_vfio_enable(const char *modname);
+int rte_vfio_is_enabled(const char *modname);
+int rte_vfio_noiommu_is_enabled(void);
+int rte_vfio_clear_group(int vfio_group_fd);
+
+int rte_vfio_setup_device(__rte_unused const char *sysfs_base,
+ __rte_unused const char *dev_addr,
+ __rte_unused int *vfio_dev_fd,
+ __rte_unused struct vfio_device_info *device_info)
+{
+ return -1;
+}
+
+int rte_vfio_release_device(__rte_unused const char *sysfs_base,
+ __rte_unused const char *dev_addr,
+ __rte_unused int fd)
+{
+ return -1;
+}
+
+int rte_vfio_enable(__rte_unused const char *modname)
+{
+ return -1;
+}
+
+int rte_vfio_is_enabled(__rte_unused const char *modname)
+{
+ return 0;
+}
+
+int rte_vfio_noiommu_is_enabled(void)
+{
+ return 0;
+}
+
+int rte_vfio_clear_group(__rte_unused int vfio_group_fd)
+{
+ return 0;
+}