doc: add Meson coding style to contributors guide
[dpdk.git] / lib / librte_eal / common / eal_common_options.c
index 75974dd..66f9114 100644 (file)
 #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"
+#include "eal_log.h"
+#ifndef RTE_EXEC_ENV_WINDOWS
+#include "eal_trace.h"
+#endif
 
 #define BITS_PER_HEX 4
 #define LCORE_OPT_LST 1
@@ -42,7 +53,8 @@
 
 const char
 eal_short_options[] =
-       "b:" /* pci-blacklist */
+       "a:" /* allow */
+       "b:" /* block */
        "c:" /* coremask */
        "s:" /* service coremask */
        "d:" /* driver */
@@ -53,7 +65,7 @@ eal_short_options[] =
        "n:" /* memory channels */
        "r:" /* memory ranks */
        "v"  /* version */
-       "w:" /* pci-whitelist */
+       "w:" /* pci-whitelist (deprecated) */
        ;
 
 const struct option
@@ -67,25 +79,39 @@ eal_long_options[] = {
        {OPT_IOVA_MODE,         1, NULL, OPT_IOVA_MODE_NUM        },
        {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                        }
 };
 
@@ -103,15 +129,17 @@ struct shared_driver {
 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
  * Note: PLEASE DO NOT ALTER THIS without making a corresponding
  * change to usertools/dpdk-pmdinfo.py
  */
-static const char dpdk_solib_path[] __attribute__((used)) =
+static const char dpdk_solib_path[] __rte_used =
 "DPDK_PLUGIN_PATH=" RTE_EAL_PMD_PATH;
 
 TAILQ_HEAD(device_option_list, device_option);
@@ -126,10 +154,103 @@ struct device_option {
 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)
 {
@@ -178,8 +299,11 @@ eal_option_device_parse(void)
 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;
 }
 
@@ -215,6 +339,8 @@ eal_reset_internal_config(struct internal_config *internal_cfg)
 
        /* 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;
@@ -227,6 +353,8 @@ eal_reset_internal_config(struct internal_config *internal_cfg)
        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
@@ -240,13 +368,20 @@ eal_plugin_add(const char *path)
                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)
 {
@@ -266,9 +401,17 @@ 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;
 
@@ -281,15 +424,125 @@ eal_plugindir_init(const char *path)
        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;
+}
+
+static int
+is_shared_build(void)
+{
+#define EAL_SO "librte_eal.so"
+       char soname[32];
+       size_t len, minlen = strlen(EAL_SO);
+
+       len = strlcpy(soname, EAL_SO"."ABI_VERSION, sizeof(soname));
+       if (len > sizeof(soname)) {
+               RTE_LOG(ERR, EAL, "Shared lib name too long in shared build check\n");
+               len = sizeof(soname) - 1;
+       }
+
+       while (len >= minlen) {
+               /* check if we have this .so loaded, if so - shared build */
+               RTE_LOG(DEBUG, EAL, "Checking presence of .so '%s'\n", soname);
+               if (dlopen(soname, RTLD_LAZY | RTLD_NOLOAD) != NULL) {
+                       RTE_LOG(INFO, EAL, "Detected shared linkage of DPDK\n");
+                       return 1;
+               }
+
+               /* remove any version numbers off the end to retry */
+               while (len-- > 0)
+                       if (soname[len] == '.') {
+                               soname[len] = '\0';
+                               break;
+                       }
+       }
+
+       RTE_LOG(INFO, EAL, "Detected static linkage of DPDK\n");
+       return 0;
+}
+
 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 (is_shared_build() &&
+                       *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) {
@@ -304,17 +557,15 @@ eal_plugins_init(void)
                } 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
@@ -371,12 +622,12 @@ eal_parse_service_coremask(const char *coremask)
                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;
                                }
@@ -544,12 +795,12 @@ eal_parse_service_corelist(const char *corelist)
                                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;
                                        }
@@ -632,25 +883,25 @@ eal_parse_corelist(const char *corelist, int *cores)
        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;
        }
 
@@ -976,19 +1227,31 @@ eal_parse_syslog(const char *facility, struct internal_config *conf)
 }
 #endif
 
+static void
+eal_log_usage(void)
+{
+       unsigned int level;
+
+       printf("Log type is a pattern matching items of this list"
+                       " (plugins may be missing):\n");
+       rte_log_list_types(stdout, "\t");
+       printf("\n");
+       printf("Syntax using globbing pattern:     ");
+       printf("--"OPT_LOG_LEVEL" pattern:level\n");
+       printf("Syntax using regular expression:   ");
+       printf("--"OPT_LOG_LEVEL" regexp,level\n");
+       printf("Syntax for the global level:       ");
+       printf("--"OPT_LOG_LEVEL" level\n");
+       printf("Logs are emitted if allowed by both global and specific levels.\n");
+       printf("\n");
+       printf("Log level can be a number or the first letters of its name:\n");
+       for (level = 1; level <= RTE_LOG_MAX; level++)
+               printf("\t%d   %s\n", level, eal_log_level2str(level));
+}
+
 static int
 eal_parse_log_priority(const char *level)
 {
-       static const char * const levels[] = {
-               [RTE_LOG_EMERG]   = "emergency",
-               [RTE_LOG_ALERT]   = "alert",
-               [RTE_LOG_CRIT]    = "critical",
-               [RTE_LOG_ERR]     = "error",
-               [RTE_LOG_WARNING] = "warning",
-               [RTE_LOG_NOTICE]  = "notice",
-               [RTE_LOG_INFO]    = "info",
-               [RTE_LOG_DEBUG]   = "debug",
-       };
        size_t len = strlen(level);
        unsigned long tmp;
        char *end;
@@ -998,8 +1261,8 @@ eal_parse_log_priority(const char *level)
                return -1;
 
        /* look for named values, skip 0 which is not a valid level */
-       for (i = 1; i < RTE_DIM(levels); i++) {
-               if (strncmp(levels[i], level, len) == 0)
+       for (i = 1; i <= RTE_LOG_MAX; i++) {
+               if (strncmp(eal_log_level2str(i), level, len) == 0)
                        return i;
        }
 
@@ -1023,6 +1286,11 @@ eal_parse_log_level(const char *arg)
        char *str, *level;
        int priority;
 
+       if (strcmp(arg, "help") == 0) {
+               eal_log_usage();
+               exit(EXIT_SUCCESS);
+       }
+
        str = strdup(arg);
        if (str == NULL)
                return -1;
@@ -1038,18 +1306,23 @@ eal_parse_log_level(const char *arg)
        }
 
        priority = eal_parse_log_priority(level);
-       if (priority < 0) {
-               fprintf(stderr, "invalid log priority: %s\n", level);
+       if (priority <= 0) {
+               fprintf(stderr, "Invalid log level: %s\n", level);
                goto fail;
        }
+       if (priority > (int)RTE_LOG_MAX) {
+               fprintf(stderr, "Log level %d higher than maximum (%d)\n",
+                               priority, RTE_LOG_MAX);
+               priority = RTE_LOG_MAX;
+       }
 
        if (regex) {
                if (rte_log_set_level_regexp(regex, priority) < 0) {
                        fprintf(stderr, "cannot set log level %s,%d\n",
-                               pattern, priority);
+                               regex, priority);
                        goto fail;
                }
-               if (rte_log_save_regexp(regex, priority) < 0)
+               if (eal_log_save_regexp(regex, priority) < 0)
                        goto fail;
        } else if (pattern) {
                if (rte_log_set_level_pattern(pattern, priority) < 0) {
@@ -1057,7 +1330,7 @@ eal_parse_log_level(const char *arg)
                                pattern, priority);
                        goto fail;
                }
-               if (rte_log_save_pattern(pattern, priority) < 0)
+               if (eal_log_save_pattern(pattern, priority) < 0)
                        goto fail;
        } else {
                rte_log_set_global_level(priority);
@@ -1088,6 +1361,8 @@ static int
 eal_parse_iova_mode(const char *name)
 {
        int mode;
+       struct internal_config *internal_conf =
+               eal_get_internal_configuration();
 
        if (name == NULL)
                return -1;
@@ -1099,7 +1374,35 @@ eal_parse_iova_mode(const char *name)
        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;
 }
 
@@ -1108,6 +1411,8 @@ eal_parse_base_virtaddr(const char *arg)
 {
        char *end;
        uint64_t addr;
+       struct internal_config *internal_conf =
+               eal_get_internal_configuration();
 
        errno = 0;
        addr = strtoull(arg, &end, 16);
@@ -1127,7 +1432,7 @@ eal_parse_base_virtaddr(const char *arg)
         * 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;
@@ -1207,28 +1512,31 @@ eal_parse_common_option(int opt, const char *optarg,
                        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': {
@@ -1385,9 +1693,14 @@ eal_parse_common_option(int opt, const char *optarg,
                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;
@@ -1418,6 +1731,45 @@ eal_parse_common_option(int opt, const char *optarg,
                }
                break;
        }
+
+#ifndef RTE_EXEC_ENV_WINDOWS
+       case OPT_TRACE_NUM: {
+               if (eal_trace_args_save(optarg) < 0) {
+                       RTE_LOG(ERR, EAL, "invalid parameters for --"
+                               OPT_TRACE "\n");
+                       return -1;
+               }
+               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 --"
@@ -1455,6 +1807,18 @@ eal_parse_common_option(int opt, const char *optarg,
                        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:
@@ -1463,9 +1827,10 @@ eal_parse_common_option(int opt, const char *optarg,
        }
 
        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;
 }
 
@@ -1511,9 +1876,9 @@ compute_ctrl_threads_cpuset(struct internal_config *internal_cfg)
 
        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));
        }
 }
@@ -1536,19 +1901,21 @@ eal_adjust_config(struct internal_config *internal_cfg)
 {
        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);
@@ -1565,9 +1932,11 @@ int
 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;
        }
 
@@ -1590,7 +1959,7 @@ eal_check_common_options(struct internal_config *internal_cfg)
                RTE_LOG(ERR, EAL, "Invalid length of --" OPT_MBUF_POOL_OPS_NAME" option\n");
                return -1;
        }
-       if (index(eal_get_hugefile_prefix(), '%') != NULL) {
+       if (strchr(eal_get_hugefile_prefix(), '%') != NULL) {
                RTE_LOG(ERR, EAL, "Invalid char, '%%', in --"OPT_FILE_PREFIX" "
                        "option\n");
                return -1;
@@ -1611,7 +1980,7 @@ eal_check_common_options(struct internal_config *internal_cfg)
                        "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");
        }
@@ -1647,6 +2016,32 @@ eal_check_common_options(struct internal_config *internal_cfg)
        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)
 {
@@ -1665,19 +2060,19 @@ 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"
@@ -1690,14 +2085,43 @@ eal_common_usage(void)
 #ifndef RTE_EXEC_ENV_WINDOWS
               "  --"OPT_SYSLOG"            Set syslog facility\n"
 #endif
-              "  --"OPT_LOG_LEVEL"=<int>   Set global log level\n"
-              "  --"OPT_LOG_LEVEL"=<type-match>:<int>\n"
+              "  --"OPT_LOG_LEVEL"=<level> Set global log level\n"
+              "  --"OPT_LOG_LEVEL"=<type-match>:<level>\n"
               "                      Set specific log level\n"
+              "  --"OPT_LOG_LEVEL"=help    Show log types and levels\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"
@@ -1705,5 +2129,4 @@ eal_common_usage(void)
               "  --"OPT_NO_HPET"           Disable HPET\n"
               "  --"OPT_NO_SHCONF"         No shared config (mmap'd files)\n"
               "\n", RTE_MAX_LCORE);
-       rte_option_usage();
 }