#include <getopt.h>
#ifndef RTE_EXEC_ENV_WINDOWS
#include <dlfcn.h>
+#include <libgen.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
+#ifndef RTE_EXEC_ENV_WINDOWS
#include <dirent.h>
+#endif
#include <rte_string_fns.h>
#include <rte_eal.h>
#include <rte_version.h>
#include <rte_devargs.h>
#include <rte_memcpy.h>
+#ifndef RTE_EXEC_ENV_WINDOWS
+#include <rte_telemetry.h>
+#endif
+#include <rte_vect.h>
#include "eal_internal_cfg.h"
#include "eal_options.h"
#include "eal_filesystem.h"
#include "eal_private.h"
+#ifndef RTE_EXEC_ENV_WINDOWS
#include "eal_trace.h"
+#endif
#define BITS_PER_HEX 4
#define LCORE_OPT_LST 1
const char
eal_short_options[] =
- "b:" /* pci-blacklist */
+ "a:" /* allow */
+ "b:" /* block */
"c:" /* coremask */
"s:" /* service coremask */
"d:" /* driver */
"n:" /* memory channels */
"r:" /* memory ranks */
"v" /* version */
- "w:" /* pci-whitelist */
+ "w:" /* pci-whitelist (deprecated) */
;
const struct option
{OPT_LCORES, 1, NULL, OPT_LCORES_NUM },
{OPT_LOG_LEVEL, 1, NULL, OPT_LOG_LEVEL_NUM },
{OPT_TRACE, 1, NULL, OPT_TRACE_NUM },
+ {OPT_TRACE_DIR, 1, NULL, OPT_TRACE_DIR_NUM },
+ {OPT_TRACE_BUF_SIZE, 1, NULL, OPT_TRACE_BUF_SIZE_NUM },
+ {OPT_TRACE_MODE, 1, NULL, OPT_TRACE_MODE_NUM },
{OPT_MASTER_LCORE, 1, NULL, OPT_MASTER_LCORE_NUM },
+ {OPT_MAIN_LCORE, 1, NULL, OPT_MAIN_LCORE_NUM },
{OPT_MBUF_POOL_OPS_NAME, 1, NULL, OPT_MBUF_POOL_OPS_NAME_NUM},
{OPT_NO_HPET, 0, NULL, OPT_NO_HPET_NUM },
{OPT_NO_HUGE, 0, NULL, OPT_NO_HUGE_NUM },
{OPT_NO_PCI, 0, NULL, OPT_NO_PCI_NUM },
{OPT_NO_SHCONF, 0, NULL, OPT_NO_SHCONF_NUM },
{OPT_IN_MEMORY, 0, NULL, OPT_IN_MEMORY_NUM },
- {OPT_PCI_BLACKLIST, 1, NULL, OPT_PCI_BLACKLIST_NUM },
- {OPT_PCI_WHITELIST, 1, NULL, OPT_PCI_WHITELIST_NUM },
+ {OPT_DEV_BLOCK, 1, NULL, OPT_DEV_BLOCK_NUM },
+ {OPT_DEV_ALLOW, 1, NULL, OPT_DEV_ALLOW_NUM },
{OPT_PROC_TYPE, 1, NULL, OPT_PROC_TYPE_NUM },
{OPT_SOCKET_MEM, 1, NULL, OPT_SOCKET_MEM_NUM },
{OPT_SOCKET_LIMIT, 1, NULL, OPT_SOCKET_LIMIT_NUM },
{OPT_SYSLOG, 1, NULL, OPT_SYSLOG_NUM },
{OPT_VDEV, 1, NULL, OPT_VDEV_NUM },
{OPT_VFIO_INTR, 1, NULL, OPT_VFIO_INTR_NUM },
+ {OPT_VFIO_VF_TOKEN, 1, NULL, OPT_VFIO_VF_TOKEN_NUM },
{OPT_VMWARE_TSC_MAP, 0, NULL, OPT_VMWARE_TSC_MAP_NUM },
{OPT_LEGACY_MEM, 0, NULL, OPT_LEGACY_MEM_NUM },
{OPT_SINGLE_FILE_SEGMENTS, 0, NULL, OPT_SINGLE_FILE_SEGMENTS_NUM},
{OPT_MATCH_ALLOCATIONS, 0, NULL, OPT_MATCH_ALLOCATIONS_NUM},
+ {OPT_TELEMETRY, 0, NULL, OPT_TELEMETRY_NUM },
+ {OPT_NO_TELEMETRY, 0, NULL, OPT_NO_TELEMETRY_NUM },
+ {OPT_FORCE_MAX_SIMD_BITWIDTH, 1, NULL, OPT_FORCE_MAX_SIMD_BITWIDTH_NUM},
+
+ /* legacy options that will be removed in future */
+ {OPT_PCI_BLACKLIST, 1, NULL, OPT_PCI_BLACKLIST_NUM },
+ {OPT_PCI_WHITELIST, 1, NULL, OPT_PCI_WHITELIST_NUM },
+
{0, 0, NULL, 0 }
};
static struct shared_driver_list solib_list =
TAILQ_HEAD_INITIALIZER(solib_list);
+#ifndef RTE_EXEC_ENV_WINDOWS
/* Default path of external loadable drivers */
static const char *default_solib_dir = RTE_EAL_PMD_PATH;
+#endif
/*
* Stringified version of solib path used by dpdk-pmdinfo.py
static struct device_option_list devopt_list =
TAILQ_HEAD_INITIALIZER(devopt_list);
-static int master_lcore_parsed;
+static int main_lcore_parsed;
static int mem_parsed;
static int core_parsed;
+/* Allow the application to print its usage message too if set */
+static rte_usage_hook_t rte_application_usage_hook;
+
+/* Returns rte_usage_hook_t */
+rte_usage_hook_t
+eal_get_application_usage_hook(void)
+{
+ return rte_application_usage_hook;
+}
+
+/* Set a per-application usage message */
+rte_usage_hook_t
+rte_set_application_usage_hook(rte_usage_hook_t usage_func)
+{
+ rte_usage_hook_t old_func;
+
+ /* Will be NULL on the first call to denote the last usage routine. */
+ old_func = rte_application_usage_hook;
+ rte_application_usage_hook = usage_func;
+
+ return old_func;
+}
+
+#ifndef RTE_EXEC_ENV_WINDOWS
+static char **eal_args;
+static char **eal_app_args;
+
+#define EAL_PARAM_REQ "/eal/params"
+#define EAL_APP_PARAM_REQ "/eal/app_params"
+
+/* callback handler for telemetry library to report out EAL flags */
+int
+handle_eal_info_request(const char *cmd, const char *params __rte_unused,
+ struct rte_tel_data *d)
+{
+ char **args;
+ int used = 0;
+ int i = 0;
+
+ if (strcmp(cmd, EAL_PARAM_REQ) == 0)
+ args = eal_args;
+ else
+ args = eal_app_args;
+
+ rte_tel_data_start_array(d, RTE_TEL_STRING_VAL);
+ if (args == NULL || args[0] == NULL)
+ return 0;
+
+ for ( ; args[i] != NULL; i++)
+ used = rte_tel_data_add_array_string(d, args[i]);
+ return used;
+}
+
+int
+eal_save_args(int argc, char **argv)
+{
+ int i, j;
+
+ rte_telemetry_register_cmd(EAL_PARAM_REQ, handle_eal_info_request,
+ "Returns EAL commandline parameters used. Takes no parameters");
+ rte_telemetry_register_cmd(EAL_APP_PARAM_REQ, handle_eal_info_request,
+ "Returns app commandline parameters used. Takes no parameters");
+
+ /* clone argv to report out later. We overprovision, but
+ * this does not waste huge amounts of memory
+ */
+ eal_args = calloc(argc + 1, sizeof(*eal_args));
+ if (eal_args == NULL)
+ return -1;
+
+ for (i = 0; i < argc; i++) {
+ eal_args[i] = strdup(argv[i]);
+ if (strcmp(argv[i], "--") == 0)
+ break;
+ }
+ eal_args[i++] = NULL; /* always finish with NULL */
+
+ /* allow reporting of any app args we know about too */
+ if (i >= argc)
+ return 0;
+
+ eal_app_args = calloc(argc - i + 1, sizeof(*eal_args));
+ if (eal_app_args == NULL)
+ return -1;
+
+ for (j = 0; i < argc; j++, i++)
+ eal_app_args[j] = strdup(argv[i]);
+ eal_app_args[j] = NULL;
+
+ return 0;
+}
+#endif
+
static int
eal_option_device_add(enum rte_devtype type, const char *optarg)
{
const char *
eal_get_hugefile_prefix(void)
{
- if (internal_config.hugefile_prefix != NULL)
- return internal_config.hugefile_prefix;
+ const struct internal_config *internal_conf =
+ eal_get_internal_configuration();
+
+ if (internal_conf->hugefile_prefix != NULL)
+ return internal_conf->hugefile_prefix;
return HUGEFILE_PREFIX_DEFAULT;
}
/* if set to NONE, interrupt mode is determined automatically */
internal_cfg->vfio_intr_mode = RTE_INTR_MODE_NONE;
+ memset(internal_cfg->vfio_vf_token, 0,
+ sizeof(internal_cfg->vfio_vf_token));
#ifdef RTE_LIBEAL_USE_HPET
internal_cfg->no_hpet = 0;
internal_cfg->user_mbuf_pool_ops_name = NULL;
CPU_ZERO(&internal_cfg->ctrl_cpuset);
internal_cfg->init_complete = 0;
+ internal_cfg->max_simd_bitwidth.bitwidth = RTE_VECT_DEFAULT_SIMD_BITWIDTH;
+ internal_cfg->max_simd_bitwidth.forced = 0;
}
static int
return -1;
}
memset(solib, 0, sizeof(*solib));
- strlcpy(solib->name, path, PATH_MAX-1);
- solib->name[PATH_MAX-1] = 0;
+ strlcpy(solib->name, path, PATH_MAX);
TAILQ_INSERT_TAIL(&solib_list, solib, next);
return 0;
}
+#ifdef RTE_EXEC_ENV_WINDOWS
+int
+eal_plugins_init(void)
+{
+ return 0;
+}
+#else
+
static int
eal_plugindir_init(const char *path)
{
while ((dent = readdir(d)) != NULL) {
struct stat sb;
+ int nlen = strnlen(dent->d_name, sizeof(dent->d_name));
+
+ /* check if name ends in .so or .so.ABI_VERSION */
+ if (strcmp(&dent->d_name[nlen - 3], ".so") != 0 &&
+ strcmp(&dent->d_name[nlen - 4 - strlen(ABI_VERSION)],
+ ".so."ABI_VERSION) != 0)
+ continue;
snprintf(sopath, sizeof(sopath), "%s/%s", path, dent->d_name);
+ /* if a regular file, add to list to load */
if (!(stat(sopath, &sb) == 0 && S_ISREG(sb.st_mode)))
continue;
return (dent == NULL) ? 0 : -1;
}
+static int
+verify_perms(const char *dirpath)
+{
+ struct stat st;
+
+ /* if not root, check down one level first */
+ if (strcmp(dirpath, "/") != 0) {
+ static __thread char last_dir_checked[PATH_MAX];
+ char copy[PATH_MAX];
+ const char *dir;
+
+ strlcpy(copy, dirpath, PATH_MAX);
+ dir = dirname(copy);
+ if (strncmp(dir, last_dir_checked, PATH_MAX) != 0) {
+ if (verify_perms(dir) != 0)
+ return -1;
+ strlcpy(last_dir_checked, dir, PATH_MAX);
+ }
+ }
+
+ /* call stat to check for permissions and ensure not world writable */
+ if (stat(dirpath, &st) != 0) {
+ RTE_LOG(ERR, EAL, "Error with stat on %s, %s\n",
+ dirpath, strerror(errno));
+ return -1;
+ }
+ if (st.st_mode & S_IWOTH) {
+ RTE_LOG(ERR, EAL,
+ "Error, directory path %s is world-writable and insecure\n",
+ dirpath);
+ return -1;
+ }
+
+ return 0;
+}
+
+static void *
+eal_dlopen(const char *pathname)
+{
+ void *retval = NULL;
+ char *realp = realpath(pathname, NULL);
+
+ if (realp == NULL && errno == ENOENT) {
+ /* not a full or relative path, try a load from system dirs */
+ retval = dlopen(pathname, RTLD_NOW);
+ if (retval == NULL)
+ RTE_LOG(ERR, EAL, "%s\n", dlerror());
+ return retval;
+ }
+ if (realp == NULL) {
+ RTE_LOG(ERR, EAL, "Error with realpath for %s, %s\n",
+ pathname, strerror(errno));
+ goto out;
+ }
+ if (strnlen(realp, PATH_MAX) == PATH_MAX) {
+ RTE_LOG(ERR, EAL, "Error, driver path greater than PATH_MAX\n");
+ goto out;
+ }
+
+ /* do permissions checks */
+ if (verify_perms(realp) != 0)
+ goto out;
+
+ retval = dlopen(realp, RTLD_NOW);
+ if (retval == NULL)
+ RTE_LOG(ERR, EAL, "%s\n", dlerror());
+out:
+ free(realp);
+ return retval;
+}
+
int
eal_plugins_init(void)
{
-#ifndef RTE_EXEC_ENV_WINDOWS
struct shared_driver *solib = NULL;
struct stat sb;
- if (*default_solib_dir != '\0' && stat(default_solib_dir, &sb) == 0 &&
- S_ISDIR(sb.st_mode))
+ /* If we are not statically linked, add default driver loading
+ * path if it exists as a directory.
+ * (Using dlopen with NOLOAD flag on EAL, will return NULL if the EAL
+ * shared library is not already loaded i.e. it's statically linked.)
+ */
+ if (dlopen("librte_eal.so."ABI_VERSION, RTLD_LAZY | RTLD_NOLOAD) != NULL &&
+ *default_solib_dir != '\0' &&
+ stat(default_solib_dir, &sb) == 0 &&
+ S_ISDIR(sb.st_mode))
eal_plugin_add(default_solib_dir);
TAILQ_FOREACH(solib, &solib_list, next) {
} else {
RTE_LOG(DEBUG, EAL, "open shared lib %s\n",
solib->name);
- solib->lib_handle = dlopen(solib->name, RTLD_NOW);
- if (solib->lib_handle == NULL) {
- RTE_LOG(ERR, EAL, "%s\n", dlerror());
+ solib->lib_handle = eal_dlopen(solib->name);
+ if (solib->lib_handle == NULL)
return -1;
- }
}
}
return 0;
-#endif
}
+#endif
/*
* Parse the coremask given as argument (hexadecimal string) and fill
for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE;
j++, idx++) {
if ((1 << j) & val) {
- /* handle master lcore already parsed */
+ /* handle main lcore already parsed */
uint32_t lcore = idx;
- if (master_lcore_parsed &&
- cfg->master_lcore == lcore) {
+ if (main_lcore_parsed &&
+ cfg->main_lcore == lcore) {
RTE_LOG(ERR, EAL,
- "lcore %u is master lcore, cannot use as service core\n",
+ "lcore %u is main lcore, cannot use as service core\n",
idx);
return -1;
}
min = idx;
for (idx = min; idx <= max; idx++) {
if (cfg->lcore_role[idx] != ROLE_SERVICE) {
- /* handle master lcore already parsed */
+ /* handle main lcore already parsed */
uint32_t lcore = idx;
- if (cfg->master_lcore == lcore &&
- master_lcore_parsed) {
+ if (cfg->main_lcore == lcore &&
+ main_lcore_parsed) {
RTE_LOG(ERR, EAL,
- "Error: lcore %u is master lcore, cannot use as service core\n",
+ "Error: lcore %u is main lcore, cannot use as service core\n",
idx);
return -1;
}
return 0;
}
-/* Changes the lcore id of the master thread */
+/* Changes the lcore id of the main thread */
static int
-eal_parse_master_lcore(const char *arg)
+eal_parse_main_lcore(const char *arg)
{
char *parsing_end;
struct rte_config *cfg = rte_eal_get_configuration();
errno = 0;
- cfg->master_lcore = (uint32_t) strtol(arg, &parsing_end, 0);
+ cfg->main_lcore = (uint32_t) strtol(arg, &parsing_end, 0);
if (errno || parsing_end[0] != 0)
return -1;
- if (cfg->master_lcore >= RTE_MAX_LCORE)
+ if (cfg->main_lcore >= RTE_MAX_LCORE)
return -1;
- master_lcore_parsed = 1;
+ main_lcore_parsed = 1;
- /* ensure master core is not used as service core */
- if (lcore_config[cfg->master_lcore].core_role == ROLE_SERVICE) {
+ /* ensure main core is not used as service core */
+ if (lcore_config[cfg->main_lcore].core_role == ROLE_SERVICE) {
RTE_LOG(ERR, EAL,
- "Error: Master lcore is used as a service core\n");
+ "Error: Main lcore is used as a service core\n");
return -1;
}
eal_parse_iova_mode(const char *name)
{
int mode;
+ struct internal_config *internal_conf =
+ eal_get_internal_configuration();
if (name == NULL)
return -1;
else
return -1;
- internal_config.iova_mode = mode;
+ internal_conf->iova_mode = mode;
+ return 0;
+}
+
+static int
+eal_parse_simd_bitwidth(const char *arg)
+{
+ char *end;
+ unsigned long bitwidth;
+ int ret;
+ struct internal_config *internal_conf =
+ eal_get_internal_configuration();
+
+ if (arg == NULL || arg[0] == '\0')
+ return -1;
+
+ errno = 0;
+ bitwidth = strtoul(arg, &end, 0);
+
+ /* check for errors */
+ if (errno != 0 || end == NULL || *end != '\0' || bitwidth > RTE_VECT_SIMD_MAX)
+ return -1;
+
+ if (bitwidth == 0)
+ bitwidth = (unsigned long) RTE_VECT_SIMD_MAX;
+ ret = rte_vect_set_max_simd_bitwidth(bitwidth);
+ if (ret < 0)
+ return -1;
+ internal_conf->max_simd_bitwidth.forced = 1;
return 0;
}
{
char *end;
uint64_t addr;
+ struct internal_config *internal_conf =
+ eal_get_internal_configuration();
errno = 0;
addr = strtoull(arg, &end, 16);
* it can align to 2MB for x86. So this alignment can also be used
* on x86 and other architectures.
*/
- internal_config.base_virtaddr =
+ internal_conf->base_virtaddr =
RTE_PTR_ALIGN_CEIL((uintptr_t)addr, (size_t)RTE_PGSIZE_16M);
return 0;
struct internal_config *conf)
{
static int b_used;
- static int w_used;
+ static int a_used;
switch (opt) {
- /* blacklist */
+ case OPT_PCI_BLACKLIST_NUM:
+ fprintf(stderr,
+ "Option --pci-blacklist is deprecated, use -b, --block instead\n");
+ /* fallthrough */
case 'b':
- if (w_used)
- goto bw_used;
- if (eal_option_device_add(RTE_DEVTYPE_BLACKLISTED_PCI,
- optarg) < 0) {
+ if (a_used)
+ goto ba_conflict;
+ if (eal_option_device_add(RTE_DEVTYPE_BLOCKED, optarg) < 0)
return -1;
- }
b_used = 1;
break;
- /* whitelist */
+
case 'w':
+ fprintf(stderr,
+ "Option -w, --pci-whitelist is deprecated, use -a, --allow option instead\n");
+ /* fallthrough */
+ case 'a':
if (b_used)
- goto bw_used;
- if (eal_option_device_add(RTE_DEVTYPE_WHITELISTED_PCI,
- optarg) < 0) {
+ goto ba_conflict;
+ if (eal_option_device_add(RTE_DEVTYPE_ALLOWED, optarg) < 0)
return -1;
- }
- w_used = 1;
+ a_used = 1;
break;
/* coremask */
case 'c': {
break;
case OPT_MASTER_LCORE_NUM:
- if (eal_parse_master_lcore(optarg) < 0) {
+ fprintf(stderr,
+ "Option --" OPT_MASTER_LCORE
+ " is deprecated use " OPT_MAIN_LCORE "\n");
+ /* fallthrough */
+ case OPT_MAIN_LCORE_NUM:
+ if (eal_parse_main_lcore(optarg) < 0) {
RTE_LOG(ERR, EAL, "invalid parameter for --"
- OPT_MASTER_LCORE "\n");
+ OPT_MAIN_LCORE "\n");
return -1;
}
break;
break;
}
+#ifndef RTE_EXEC_ENV_WINDOWS
case OPT_TRACE_NUM: {
if (eal_trace_args_save(optarg) < 0) {
RTE_LOG(ERR, EAL, "invalid parameters for --"
break;
}
+ case OPT_TRACE_DIR_NUM: {
+ if (eal_trace_dir_args_save(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid parameters for --"
+ OPT_TRACE_DIR "\n");
+ return -1;
+ }
+ break;
+ }
+
+ case OPT_TRACE_BUF_SIZE_NUM: {
+ if (eal_trace_bufsz_args_save(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid parameters for --"
+ OPT_TRACE_BUF_SIZE "\n");
+ return -1;
+ }
+ break;
+ }
+
+ case OPT_TRACE_MODE_NUM: {
+ if (eal_trace_mode_args_save(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid parameters for --"
+ OPT_TRACE_MODE "\n");
+ return -1;
+ }
+ break;
+ }
+#endif /* !RTE_EXEC_ENV_WINDOWS */
+
case OPT_LCORES_NUM:
if (eal_parse_lcores(optarg) < 0) {
RTE_LOG(ERR, EAL, "invalid parameter for --"
return -1;
}
break;
+ case OPT_TELEMETRY_NUM:
+ break;
+ case OPT_NO_TELEMETRY_NUM:
+ conf->no_telemetry = 1;
+ break;
+ case OPT_FORCE_MAX_SIMD_BITWIDTH_NUM:
+ if (eal_parse_simd_bitwidth(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid parameter for --"
+ OPT_FORCE_MAX_SIMD_BITWIDTH "\n");
+ return -1;
+ }
+ break;
/* don't know what to do, leave this to caller */
default:
}
return 0;
-bw_used:
- RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) "
- "cannot be used at the same time\n");
+
+ba_conflict:
+ RTE_LOG(ERR, EAL,
+ "Options allow (-a) and block (-b) can't be used at the same time\n");
return -1;
}
RTE_CPU_AND(cpuset, cpuset, &default_set);
- /* if no remaining cpu, use master lcore cpu affinity */
+ /* if no remaining cpu, use main lcore cpu affinity */
if (!CPU_COUNT(cpuset)) {
- memcpy(cpuset, &lcore_config[rte_get_master_lcore()].cpuset,
+ memcpy(cpuset, &lcore_config[rte_get_main_lcore()].cpuset,
sizeof(*cpuset));
}
}
{
int i;
struct rte_config *cfg = rte_eal_get_configuration();
+ struct internal_config *internal_conf =
+ eal_get_internal_configuration();
if (!core_parsed)
eal_auto_detect_cores(cfg);
- if (internal_config.process_type == RTE_PROC_AUTO)
- internal_config.process_type = eal_proc_type_detect();
+ if (internal_conf->process_type == RTE_PROC_AUTO)
+ internal_conf->process_type = eal_proc_type_detect();
- /* default master lcore is the first one */
- if (!master_lcore_parsed) {
- cfg->master_lcore = rte_get_next_lcore(-1, 0, 0);
- if (cfg->master_lcore >= RTE_MAX_LCORE)
+ /* default main lcore is the first one */
+ if (!main_lcore_parsed) {
+ cfg->main_lcore = rte_get_next_lcore(-1, 0, 0);
+ if (cfg->main_lcore >= RTE_MAX_LCORE)
return -1;
- lcore_config[cfg->master_lcore].core_role = ROLE_RTE;
+ lcore_config[cfg->main_lcore].core_role = ROLE_RTE;
}
compute_ctrl_threads_cpuset(internal_cfg);
eal_check_common_options(struct internal_config *internal_cfg)
{
struct rte_config *cfg = rte_eal_get_configuration();
+ const struct internal_config *internal_conf =
+ eal_get_internal_configuration();
- if (cfg->lcore_role[cfg->master_lcore] != ROLE_RTE) {
- RTE_LOG(ERR, EAL, "Master lcore is not enabled for DPDK\n");
+ if (cfg->lcore_role[cfg->main_lcore] != ROLE_RTE) {
+ RTE_LOG(ERR, EAL, "Main lcore is not enabled for DPDK\n");
return -1;
}
"be specified together with --"OPT_NO_HUGE"\n");
return -1;
}
- if (internal_config.force_socket_limits && internal_config.legacy_mem) {
+ if (internal_conf->force_socket_limits && internal_conf->legacy_mem) {
RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_LIMIT
" is only supported in non-legacy memory mode\n");
}
return 0;
}
+uint16_t
+rte_vect_get_max_simd_bitwidth(void)
+{
+ const struct internal_config *internal_conf =
+ eal_get_internal_configuration();
+ return internal_conf->max_simd_bitwidth.bitwidth;
+}
+
+int
+rte_vect_set_max_simd_bitwidth(uint16_t bitwidth)
+{
+ struct internal_config *internal_conf =
+ eal_get_internal_configuration();
+ if (internal_conf->max_simd_bitwidth.forced) {
+ RTE_LOG(NOTICE, EAL, "Cannot set max SIMD bitwidth - user runtime override enabled");
+ return -EPERM;
+ }
+
+ if (bitwidth < RTE_VECT_SIMD_DISABLED || !rte_is_power_of_2(bitwidth)) {
+ RTE_LOG(ERR, EAL, "Invalid bitwidth value!\n");
+ return -EINVAL;
+ }
+ internal_conf->max_simd_bitwidth.bitwidth = bitwidth;
+ return 0;
+}
+
void
eal_common_usage(void)
{
" '( )' can be omitted for single element group,\n"
" '@' can be omitted if cpus and lcores have the same value\n"
" -s SERVICE COREMASK Hexadecimal bitmask of cores to be used as service cores\n"
- " --"OPT_MASTER_LCORE" ID Core ID that is used as master\n"
+ " --"OPT_MAIN_LCORE" ID Core ID that is used as main\n"
" --"OPT_MBUF_POOL_OPS_NAME" Pool ops name for mbuf to use\n"
" -n CHANNELS Number of memory channels\n"
" -m MB Memory to allocate (see also --"OPT_SOCKET_MEM")\n"
" -r RANKS Force number of memory ranks (don't detect)\n"
- " -b, --"OPT_PCI_BLACKLIST" Add a PCI device in black list.\n"
- " Prevent EAL from using this PCI device. The argument\n"
- " format is <domain:bus:devid.func>.\n"
- " -w, --"OPT_PCI_WHITELIST" Add a PCI device in white list.\n"
- " Only use the specified PCI devices. The argument format\n"
- " is <[domain:]bus:devid.func>. This option can be present\n"
- " several times (once per device).\n"
- " [NOTE: PCI whitelist cannot be used with -b option]\n"
+ " -b, --block Add a device to the blocked list.\n"
+ " Prevent EAL from using this device. The argument\n"
+ " format for PCI devices is <domain:bus:devid.func>.\n"
+ " -a, --allow Add a device to the allow list.\n"
+ " Only use the specified devices. The argument format\n"
+ " for PCI devices is <[domain:]bus:devid.func>.\n"
+ " This option can be present several times.\n"
+ " [NOTE: " OPT_DEV_ALLOW " cannot be used with "OPT_DEV_BLOCK" option]\n"
" --"OPT_VDEV" Add a virtual device.\n"
" The argument format is <driver><id>[,key=val,...]\n"
" (ex: --vdev=net_pcap0,iface=eth2).\n"
" --"OPT_LOG_LEVEL"=<int> Set global log level\n"
" --"OPT_LOG_LEVEL"=<type-match>:<int>\n"
" Set specific log level\n"
+#ifndef RTE_EXEC_ENV_WINDOWS
" --"OPT_TRACE"=<regex-match>\n"
" Enable trace based on regular expression trace name.\n"
" By default, the trace is disabled.\n"
" User must specify this option to enable trace.\n"
+ " --"OPT_TRACE_DIR"=<directory path>\n"
+ " Specify trace directory for trace output.\n"
+ " By default, trace output will created at\n"
+ " $HOME directory and parameter must be\n"
+ " specified once only.\n"
+ " --"OPT_TRACE_BUF_SIZE"=<int>\n"
+ " Specify maximum size of allocated memory\n"
+ " for trace output for each thread. Valid\n"
+ " unit can be either 'B|K|M' for 'Bytes',\n"
+ " 'KBytes' and 'MBytes' respectively.\n"
+ " Default is 1MB and parameter must be\n"
+ " specified once only.\n"
+ " --"OPT_TRACE_MODE"=<o[verwrite] | d[iscard]>\n"
+ " Specify the mode of update of trace\n"
+ " output file. Either update on a file can\n"
+ " be wrapped or discarded when file size\n"
+ " reaches its maximum limit.\n"
+ " Default mode is 'overwrite' and parameter\n"
+ " must be specified once only.\n"
+#endif /* !RTE_EXEC_ENV_WINDOWS */
" -v Display version information on startup\n"
" -h, --help This help\n"
" --"OPT_IN_MEMORY" Operate entirely in memory. This will\n"
" disable secondary process support\n"
" --"OPT_BASE_VIRTADDR" Base virtual address\n"
+ " --"OPT_TELEMETRY" Enable telemetry support (on by default)\n"
+ " --"OPT_NO_TELEMETRY" Disable telemetry support\n"
+ " --"OPT_FORCE_MAX_SIMD_BITWIDTH" Force the max SIMD bitwidth\n"
"\nEAL options for DEBUG use only:\n"
" --"OPT_HUGE_UNLINK" Unlink hugepage files after init\n"
" --"OPT_NO_HUGE" Use malloc instead of hugetlbfs\n"
" --"OPT_NO_HPET" Disable HPET\n"
" --"OPT_NO_SHCONF" No shared config (mmap'd files)\n"
"\n", RTE_MAX_LCORE);
- rte_option_usage();
}
git.droids-corp.org / dpdk.git / blobdiff