/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
* Copyright(c) 2012-2014 6WIND S.A.
* All rights reserved.
*
#include <getopt.h>
#include <sys/file.h>
#include <fcntl.h>
-#include <dlfcn.h>
#include <stddef.h>
#include <errno.h>
#include <limits.h>
#include <errno.h>
#include <sys/mman.h>
#include <sys/queue.h>
-#if defined(RTE_ARCH_X86_64) || defined(RTE_ARCH_I686)
+#include <sys/stat.h>
+#if defined(RTE_ARCH_X86)
#include <sys/io.h>
#endif
#include <rte_memory.h>
#include <rte_memzone.h>
#include <rte_launch.h>
-#include <rte_tailq.h>
#include <rte_eal.h>
#include <rte_eal_memconfig.h>
#include <rte_per_lcore.h>
#include <rte_version.h>
#include <rte_atomic.h>
#include <malloc_heap.h>
-#include <rte_eth_ring.h>
#include "eal_private.h"
#include "eal_thread.h"
/* Allow the application to print its usage message too if set */
static rte_usage_hook_t rte_application_usage_hook = NULL;
-TAILQ_HEAD(shared_driver_list, shared_driver);
-
-/* Definition for shared object drivers. */
-struct shared_driver {
- TAILQ_ENTRY(shared_driver) next;
-
- char name[PATH_MAX];
- void* lib_handle;
-};
-
-/* List of external loadable drivers */
-static struct shared_driver_list solib_list =
-TAILQ_HEAD_INITIALIZER(solib_list);
-
/* early configuration structure, when memory config is not mmapped */
static struct rte_mem_config early_mem_config;
printf("\nUsage: %s ", prgname);
eal_common_usage();
printf("EAL Linux options:\n"
- " -d LIB.so : add driver (can be used multiple times)\n"
- " --"OPT_XEN_DOM0" : support application running on Xen Domain0 "
- "without hugetlbfs\n"
- " --"OPT_SOCKET_MEM" : memory to allocate on specific\n"
- " sockets (use comma separated values)\n"
- " --"OPT_HUGE_DIR" : directory where hugetlbfs is mounted\n"
- " --"OPT_FILE_PREFIX": prefix for hugepage filenames\n"
- " --"OPT_BASE_VIRTADDR": specify base virtual address\n"
- " --"OPT_VFIO_INTR": specify desired interrupt mode for VFIO "
- "(legacy|msi|msix)\n"
- " --"OPT_CREATE_UIO_DEV": create /dev/uioX (usually done by hotplug)\n"
+ " --"OPT_SOCKET_MEM" Memory to allocate on sockets (comma separated values)\n"
+ " --"OPT_HUGE_DIR" Directory where hugetlbfs is mounted\n"
+ " --"OPT_FILE_PREFIX" Prefix for hugepage filenames\n"
+ " --"OPT_BASE_VIRTADDR" Base virtual address\n"
+ " --"OPT_CREATE_UIO_DEV" Create /dev/uioX (usually done by hotplug)\n"
+ " --"OPT_VFIO_INTR" Interrupt mode for VFIO (legacy|msi|msix)\n"
+ " --"OPT_XEN_DOM0" Support running on Xen dom0 without hugetlbfs\n"
"\n");
/* Allow the application to print its usage message too if hook is set */
if ( rte_application_usage_hook ) {
* it can align to 2MB for x86. So this alignment can also be used
* on x86 */
internal_config.base_virtaddr =
- RTE_PTR_ALIGN_CEIL((uintptr_t)addr, RTE_PGSIZE_16M);
+ RTE_PTR_ALIGN_CEIL((uintptr_t)addr, (size_t)RTE_PGSIZE_16M);
return 0;
}
return (size < SIZE_MAX) ? (size_t)(size) : SIZE_MAX;
}
-/* Parse the argument given in the command line of the application */
-static int
-eal_parse_args(int argc, char **argv)
+/* Parse the arguments for --log-level only */
+static void
+eal_log_level_parse(int argc, char **argv)
{
- int opt, ret;
+ int opt;
char **argvopt;
int option_index;
- char *prgname = argv[0];
- struct shared_driver *solib;
+ const int old_optind = optind;
+ const int old_optopt = optopt;
+ char * const old_optarg = optarg;
argvopt = argv;
+ optind = 1;
eal_reset_internal_config(&internal_config);
/* getopt is not happy, stop right now */
if (opt == '?')
- return -1;
+ break;
+
+ ret = (opt == OPT_LOG_LEVEL_NUM) ?
+ eal_parse_common_option(opt, optarg, &internal_config) : 0;
+
+ /* common parser is not happy */
+ if (ret < 0)
+ break;
+ }
+
+ /* restore getopt lib */
+ optind = old_optind;
+ optopt = old_optopt;
+ optarg = old_optarg;
+}
+
+/* Parse the argument given in the command line of the application */
+static int
+eal_parse_args(int argc, char **argv)
+{
+ int opt, ret;
+ char **argvopt;
+ int option_index;
+ char *prgname = argv[0];
+ const int old_optind = optind;
+ const int old_optopt = optopt;
+ char * const old_optarg = optarg;
+
+ argvopt = argv;
+ optind = 1;
+
+ while ((opt = getopt_long(argc, argvopt, eal_short_options,
+ eal_long_options, &option_index)) != EOF) {
+
+ /* getopt is not happy, stop right now */
+ if (opt == '?') {
+ eal_usage(prgname);
+ 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)
continue;
switch (opt) {
- /* force loading of external driver */
- case 'd':
- solib = malloc(sizeof(*solib));
- if (solib == NULL) {
- RTE_LOG(ERR, EAL, "malloc(solib) failed\n");
- return -1;
- }
- memset(solib, 0, sizeof(*solib));
- strncpy(solib->name, optarg, PATH_MAX-1);
- solib->name[PATH_MAX-1] = 0;
- TAILQ_INSERT_TAIL(&solib_list, solib, next);
- break;
+ case 'h':
+ eal_usage(prgname);
+ exit(EXIT_SUCCESS);
/* long options */
case OPT_XEN_DOM0_NUM:
RTE_LOG(ERR, EAL, "Can't support DPDK app "
"running on Dom0, please configure"
" RTE_LIBRTE_XEN_DOM0=y\n");
- return -1;
+ ret = -1;
+ goto out;
#endif
break;
RTE_LOG(ERR, EAL, "invalid parameters for --"
OPT_SOCKET_MEM "\n");
eal_usage(prgname);
- return -1;
+ ret = -1;
+ goto out;
}
break;
RTE_LOG(ERR, EAL, "invalid parameter for --"
OPT_BASE_VIRTADDR "\n");
eal_usage(prgname);
- return -1;
+ ret = -1;
+ goto out;
}
break;
RTE_LOG(ERR, EAL, "invalid parameters for --"
OPT_VFIO_INTR "\n");
eal_usage(prgname);
- return -1;
+ ret = -1;
+ goto out;
}
break;
"on Linux\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;
}
/* --xen-dom0 doesn't make sense with --socket-mem */
RTE_LOG(ERR, EAL, "Options --"OPT_SOCKET_MEM" cannot be specified "
"together with --"OPT_XEN_DOM0"\n");
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;
+ optarg = old_optarg;
+
return ret;
}
int
rte_eal_iopl_init(void)
{
-#if defined(RTE_ARCH_X86_64) || defined(RTE_ARCH_I686)
+#if defined(RTE_ARCH_X86)
if (iopl(3) != 0)
return -1;
- return 0;
-#else
- return -1;
#endif
+ return 0;
}
/* Launch threads, called at application init(). */
int i, fctret, ret;
pthread_t thread_id;
static rte_atomic32_t run_once = RTE_ATOMIC32_INIT(0);
- struct shared_driver *solib = NULL;
const char *logid;
+ char cpuset[RTE_CPU_AFFINITY_STR_LEN];
+ char thread_name[RTE_MAX_THREAD_NAME_LEN];
if (!rte_atomic32_test_and_set(&run_once))
return -1;
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 (fctret < 0)
exit(1);
- /* set log level as early as possible */
- rte_set_log_level(internal_config.log_level);
-
if (internal_config.no_hugetlbfs == 0 &&
internal_config.process_type != RTE_PROC_SECONDARY &&
internal_config.xen_dom0_support == 0 &&
if (rte_eal_alarm_init() < 0)
rte_panic("Cannot init interrupt-handling thread\n");
- if (rte_eal_intr_init() < 0)
- rte_panic("Cannot init interrupt-handling thread\n");
-
if (rte_eal_timer_init() < 0)
rte_panic("Cannot init HPET or TSC timers\n");
eal_check_mem_on_local_socket();
- rte_eal_mcfg_complete();
-
- TAILQ_FOREACH(solib, &solib_list, next) {
- RTE_LOG(INFO, EAL, "open shared lib %s\n", solib->name);
- solib->lib_handle = dlopen(solib->name, RTLD_NOW);
- if (solib->lib_handle == NULL)
- RTE_LOG(WARNING, EAL, "%s\n", dlerror());
- }
+ if (eal_plugins_init() < 0)
+ rte_panic("Cannot init plugins\n");
eal_thread_init_master(rte_config.master_lcore);
- RTE_LOG(DEBUG, EAL, "Master core %u is ready (tid=%x)\n",
- rte_config.master_lcore, (int)thread_id);
+ ret = eal_thread_dump_affinity(cpuset, RTE_CPU_AFFINITY_STR_LEN);
+
+ RTE_LOG(DEBUG, EAL, "Master lcore %u is ready (tid=%x;cpuset=[%s%s])\n",
+ rte_config.master_lcore, (int)thread_id, cpuset,
+ ret == 0 ? "" : "...");
if (rte_eal_dev_init() < 0)
rte_panic("Cannot init pmd devices\n");
+ if (rte_eal_intr_init() < 0)
+ rte_panic("Cannot init interrupt-handling thread\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);
+ ret = rte_thread_setname(lcore_config[i].thread_id,
+ thread_name);
+ if (ret != 0)
+ RTE_LOG(DEBUG, EAL,
+ "Cannot set name for lcore thread\n");
}
/*
if (rte_eal_pci_probe())
rte_panic("Cannot probe PCI\n");
+ rte_eal_mcfg_complete();
+
return fctret;
}
enum rte_lcore_role_t
rte_eal_lcore_role(unsigned lcore_id)
{
- return (rte_config.lcore_role[lcore_id]);
+ return rte_config.lcore_role[lcore_id];
}
enum rte_proc_type_t
rte_eal_process_type(void)
{
- return (rte_config.process_type);
+ return rte_config.process_type;
}
int rte_eal_has_hugepages(void)
{
return ! internal_config.no_hugetlbfs;
}
+
+int
+rte_eal_check_module(const char *module_name)
+{
+ char sysfs_mod_name[PATH_MAX];
+ struct stat st;
+ int n;
+
+ if (NULL == module_name)
+ return -1;
+
+ /* Check if there is sysfs mounted */
+ if (stat("/sys/module", &st) != 0) {
+ RTE_LOG(DEBUG, EAL, "sysfs is not mounted! error %i (%s)\n",
+ errno, strerror(errno));
+ return -1;
+ }
+
+ /* A module might be built-in, therefore try sysfs */
+ n = snprintf(sysfs_mod_name, PATH_MAX, "/sys/module/%s", module_name);
+ if (n < 0 || n > PATH_MAX) {
+ RTE_LOG(DEBUG, EAL, "Could not format module path\n");
+ return -1;
+ }
+
+ if (stat(sysfs_mod_name, &st) != 0) {
+ RTE_LOG(DEBUG, EAL, "Module %s not found! error %i (%s)\n",
+ sysfs_mod_name, errno, strerror(errno));
+ return 0;
+ }
+
+ /* Module has been found */
+ return 1;
+}
git.droids-corp.org / dpdk.git / blobdiff