--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2014 6WIND S.A.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <syslog.h>
+#include <ctype.h>
+#include <limits.h>
+#include <errno.h>
+#include <getopt.h>
+#include <dlfcn.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+
+#include <rte_eal.h>
+#include <rte_log.h>
+#include <rte_lcore.h>
+#include <rte_version.h>
+#include <rte_devargs.h>
+#include <rte_memcpy.h>
+
+#include "eal_internal_cfg.h"
+#include "eal_options.h"
+#include "eal_filesystem.h"
+
+#define BITS_PER_HEX 4
+
+const char
+eal_short_options[] =
+ "b:" /* pci-blacklist */
+ "c:" /* coremask */
+ "d:" /* driver */
+ "h" /* help */
+ "l:" /* corelist */
+ "m:" /* memory size */
+ "n:" /* memory channels */
+ "r:" /* memory ranks */
+ "v" /* version */
+ "w:" /* pci-whitelist */
+ ;
+
+const struct option
+eal_long_options[] = {
+ {OPT_BASE_VIRTADDR, 1, NULL, OPT_BASE_VIRTADDR_NUM },
+ {OPT_CREATE_UIO_DEV, 0, NULL, OPT_CREATE_UIO_DEV_NUM },
+ {OPT_FILE_PREFIX, 1, NULL, OPT_FILE_PREFIX_NUM },
+ {OPT_HELP, 0, NULL, OPT_HELP_NUM },
+ {OPT_HUGE_DIR, 1, NULL, OPT_HUGE_DIR_NUM },
+ {OPT_HUGE_UNLINK, 0, NULL, OPT_HUGE_UNLINK_NUM },
+ {OPT_LCORES, 1, NULL, OPT_LCORES_NUM },
+ {OPT_LOG_LEVEL, 1, NULL, OPT_LOG_LEVEL_NUM },
+ {OPT_MASTER_LCORE, 1, NULL, OPT_MASTER_LCORE_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_PCI_BLACKLIST, 1, NULL, OPT_PCI_BLACKLIST_NUM },
+ {OPT_PCI_WHITELIST, 1, NULL, OPT_PCI_WHITELIST_NUM },
+ {OPT_PROC_TYPE, 1, NULL, OPT_PROC_TYPE_NUM },
+ {OPT_SOCKET_MEM, 1, NULL, OPT_SOCKET_MEM_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_VMWARE_TSC_MAP, 0, NULL, OPT_VMWARE_TSC_MAP_NUM },
+ {OPT_XEN_DOM0, 0, NULL, OPT_XEN_DOM0_NUM },
+ {0, 0, NULL, 0 }
+};
+
+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);
+
+/* Default path of external loadable drivers */
+static const char *default_solib_dir = RTE_EAL_PMD_PATH;
+
+static int master_lcore_parsed;
+static int mem_parsed;
+
+void
+eal_reset_internal_config(struct internal_config *internal_cfg)
+{
+ int i;
+
+ internal_cfg->memory = 0;
+ internal_cfg->force_nrank = 0;
+ internal_cfg->force_nchannel = 0;
+ internal_cfg->hugefile_prefix = HUGEFILE_PREFIX_DEFAULT;
+ internal_cfg->hugepage_dir = NULL;
+ internal_cfg->force_sockets = 0;
+ /* zero out the NUMA config */
+ for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
+ internal_cfg->socket_mem[i] = 0;
+ /* zero out hugedir descriptors */
+ for (i = 0; i < MAX_HUGEPAGE_SIZES; i++)
+ internal_cfg->hugepage_info[i].lock_descriptor = -1;
+ internal_cfg->base_virtaddr = 0;
+
+ internal_cfg->syslog_facility = LOG_DAEMON;
+ /* default value from build option */
+ internal_cfg->log_level = RTE_LOG_LEVEL;
+
+ internal_cfg->xen_dom0_support = 0;
+
+ /* if set to NONE, interrupt mode is determined automatically */
+ internal_cfg->vfio_intr_mode = RTE_INTR_MODE_NONE;
+
+#ifdef RTE_LIBEAL_USE_HPET
+ internal_cfg->no_hpet = 0;
+#else
+ internal_cfg->no_hpet = 1;
+#endif
+ internal_cfg->vmware_tsc_map = 0;
+ internal_cfg->create_uio_dev = 0;
+}
+
+static int
+eal_plugin_add(const char *path)
+{
+ struct shared_driver *solib;
+
+ 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, path, PATH_MAX-1);
+ solib->name[PATH_MAX-1] = 0;
+ TAILQ_INSERT_TAIL(&solib_list, solib, next);
+
+ return 0;
+}
+
+static int
+eal_plugindir_init(const char *path)
+{
+ DIR *d = NULL;
+ struct dirent *dent = NULL;
+ char sopath[PATH_MAX];
+
+ if (path == NULL || *path == '\0')
+ return 0;
+
+ d = opendir(path);
+ if (d == NULL) {
+ RTE_LOG(ERR, EAL, "failed to open directory %s: %s\n",
+ path, strerror(errno));
+ return -1;
+ }
+
+ while ((dent = readdir(d)) != NULL) {
+ struct stat sb;
+
+ snprintf(sopath, PATH_MAX-1, "%s/%s", path, dent->d_name);
+ sopath[PATH_MAX-1] = 0;
+
+ if (!(stat(sopath, &sb) == 0 && S_ISREG(sb.st_mode)))
+ continue;
+
+ if (eal_plugin_add(sopath) == -1)
+ break;
+ }
+
+ closedir(d);
+ /* XXX this ignores failures from readdir() itself */
+ return (dent == NULL) ? 0 : -1;
+}
+
+int
+eal_plugins_init(void)
+{
+ struct shared_driver *solib = NULL;
+
+ if (*default_solib_dir != '\0')
+ eal_plugin_add(default_solib_dir);
+
+ TAILQ_FOREACH(solib, &solib_list, next) {
+ struct stat sb;
+
+ if (stat(solib->name, &sb) == 0 && S_ISDIR(sb.st_mode)) {
+ if (eal_plugindir_init(solib->name) == -1) {
+ RTE_LOG(ERR, EAL,
+ "Cannot init plugin directory %s\n",
+ solib->name);
+ return -1;
+ }
+ } 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());
+ return -1;
+ }
+ }
+
+ }
+ return 0;
+}
+
+/*
+ * Parse the coremask given as argument (hexadecimal string) and fill
+ * the global configuration (core role and core count) with the parsed
+ * value.
+ */
+static int xdigit2val(unsigned char c)
+{
+ int val;
+
+ if (isdigit(c))
+ val = c - '0';
+ else if (isupper(c))
+ val = c - 'A' + 10;
+ else
+ val = c - 'a' + 10;
+ return val;
+}
+
+static int
+eal_parse_coremask(const char *coremask)
+{
+ struct rte_config *cfg = rte_eal_get_configuration();
+ int i, j, idx = 0;
+ unsigned count = 0;
+ char c;
+ int val;
+
+ if (coremask == NULL)
+ return -1;
+ /* Remove all blank characters ahead and after .
+ * Remove 0x/0X if exists.
+ */
+ while (isblank(*coremask))
+ coremask++;
+ if (coremask[0] == '0' && ((coremask[1] == 'x')
+ || (coremask[1] == 'X')))
+ coremask += 2;
+ i = strlen(coremask);
+ while ((i > 0) && isblank(coremask[i - 1]))
+ i--;
+ if (i == 0)
+ return -1;
+
+ for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
+ c = coremask[i];
+ if (isxdigit(c) == 0) {
+ /* invalid characters */
+ return -1;
+ }
+ val = xdigit2val(c);
+ for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++)
+ {
+ if ((1 << j) & val) {
+ if (!lcore_config[idx].detected) {
+ RTE_LOG(ERR, EAL, "lcore %u "
+ "unavailable\n", idx);
+ return -1;
+ }
+ cfg->lcore_role[idx] = ROLE_RTE;
+ lcore_config[idx].core_index = count;
+ count++;
+ } else {
+ cfg->lcore_role[idx] = ROLE_OFF;
+ lcore_config[idx].core_index = -1;
+ }
+ }
+ }
+ for (; i >= 0; i--)
+ if (coremask[i] != '0')
+ return -1;
+ for (; idx < RTE_MAX_LCORE; idx++) {
+ cfg->lcore_role[idx] = ROLE_OFF;
+ lcore_config[idx].core_index = -1;
+ }
+ if (count == 0)
+ return -1;
+ /* Update the count of enabled logical cores of the EAL configuration */
+ cfg->lcore_count = count;
+ return 0;
+}
+
+static int
+eal_parse_corelist(const char *corelist)
+{
+ struct rte_config *cfg = rte_eal_get_configuration();
+ int i, idx = 0;
+ unsigned count = 0;
+ char *end = NULL;
+ int min, max;
+
+ if (corelist == NULL)
+ return -1;
+
+ /* Remove all blank characters ahead and after */
+ while (isblank(*corelist))
+ corelist++;
+ i = strlen(corelist);
+ while ((i > 0) && isblank(corelist[i - 1]))
+ i--;
+
+ /* Reset config */
+ for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
+ cfg->lcore_role[idx] = ROLE_OFF;
+ lcore_config[idx].core_index = -1;
+ }
+
+ /* Get list of cores */
+ min = RTE_MAX_LCORE;
+ do {
+ while (isblank(*corelist))
+ corelist++;
+ if (*corelist == '\0')
+ return -1;
+ errno = 0;
+ idx = strtoul(corelist, &end, 10);
+ if (errno || end == NULL)
+ return -1;
+ while (isblank(*end))
+ end++;
+ if (*end == '-') {
+ min = idx;
+ } else if ((*end == ',') || (*end == '\0')) {
+ max = idx;
+ if (min == RTE_MAX_LCORE)
+ min = idx;
+ for (idx = min; idx <= max; idx++) {
+ if (cfg->lcore_role[idx] != ROLE_RTE) {
+ cfg->lcore_role[idx] = ROLE_RTE;
+ lcore_config[idx].core_index = count;
+ count++;
+ }
+ }
+ min = RTE_MAX_LCORE;
+ } else
+ return -1;
+ corelist = end + 1;
+ } while (*end != '\0');
+
+ if (count == 0)
+ return -1;
+
+ /* Update the count of enabled logical cores of the EAL configuration */
+ cfg->lcore_count = count;
+
+ return 0;
+}
+
+/* Changes the lcore id of the master thread */
+static int
+eal_parse_master_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);
+ if (errno || parsing_end[0] != 0)
+ return -1;
+ if (cfg->master_lcore >= RTE_MAX_LCORE)
+ return -1;
+ master_lcore_parsed = 1;
+ return 0;
+}
+
+/*
+ * Parse elem, the elem could be single number/range or '(' ')' group
+ * 1) A single number elem, it's just a simple digit. e.g. 9
+ * 2) A single range elem, two digits with a '-' between. e.g. 2-6
+ * 3) A group elem, combines multiple 1) or 2) with '( )'. e.g (0,2-4,6)
+ * Within group elem, '-' used for a range separator;
+ * ',' used for a single number.
+ */
+static int
+eal_parse_set(const char *input, uint16_t set[], unsigned num)
+{
+ unsigned idx;
+ const char *str = input;
+ char *end = NULL;
+ unsigned min, max;
+
+ memset(set, 0, num * sizeof(uint16_t));
+
+ while (isblank(*str))
+ str++;
+
+ /* only digit or left bracket is qualify for start point */
+ if ((!isdigit(*str) && *str != '(') || *str == '\0')
+ return -1;
+
+ /* process single number or single range of number */
+ if (*str != '(') {
+ errno = 0;
+ idx = strtoul(str, &end, 10);
+ if (errno || end == NULL || idx >= num)
+ return -1;
+ else {
+ while (isblank(*end))
+ end++;
+
+ min = idx;
+ max = idx;
+ if (*end == '-') {
+ /* process single <number>-<number> */
+ end++;
+ while (isblank(*end))
+ end++;
+ if (!isdigit(*end))
+ return -1;
+
+ errno = 0;
+ idx = strtoul(end, &end, 10);
+ if (errno || end == NULL || idx >= num)
+ return -1;
+ max = idx;
+ while (isblank(*end))
+ end++;
+ if (*end != ',' && *end != '\0')
+ return -1;
+ }
+
+ if (*end != ',' && *end != '\0' &&
+ *end != '@')
+ return -1;
+
+ for (idx = RTE_MIN(min, max);
+ idx <= RTE_MAX(min, max); idx++)
+ set[idx] = 1;
+
+ return end - input;
+ }
+ }
+
+ /* process set within bracket */
+ str++;
+ while (isblank(*str))
+ str++;
+ if (*str == '\0')
+ return -1;
+
+ min = RTE_MAX_LCORE;
+ do {
+
+ /* go ahead to the first digit */
+ while (isblank(*str))
+ str++;
+ if (!isdigit(*str))
+ return -1;
+
+ /* get the digit value */
+ errno = 0;
+ idx = strtoul(str, &end, 10);
+ if (errno || end == NULL || idx >= num)
+ return -1;
+
+ /* go ahead to separator '-',',' and ')' */
+ while (isblank(*end))
+ end++;
+ if (*end == '-') {
+ if (min == RTE_MAX_LCORE)
+ min = idx;
+ else /* avoid continuous '-' */
+ return -1;
+ } else if ((*end == ',') || (*end == ')')) {
+ max = idx;
+ if (min == RTE_MAX_LCORE)
+ min = idx;
+ for (idx = RTE_MIN(min, max);
+ idx <= RTE_MAX(min, max); idx++)
+ set[idx] = 1;
+
+ min = RTE_MAX_LCORE;
+ } else
+ return -1;
+
+ str = end + 1;
+ } while (*end != '\0' && *end != ')');
+
+ return str - input;
+}
+
+/* convert from set array to cpuset bitmap */
+static int
+convert_to_cpuset(rte_cpuset_t *cpusetp,
+ uint16_t *set, unsigned num)
+{
+ unsigned idx;
+
+ CPU_ZERO(cpusetp);
+
+ for (idx = 0; idx < num; idx++) {
+ if (!set[idx])
+ continue;
+
+ if (!lcore_config[idx].detected) {
+ RTE_LOG(ERR, EAL, "core %u "
+ "unavailable\n", idx);
+ return -1;
+ }
+
+ CPU_SET(idx, cpusetp);
+ }
+
+ return 0;
+}
+
+/*
+ * The format pattern: --lcores='<lcores[@cpus]>[<,lcores[@cpus]>...]'
+ * lcores, cpus could be a single digit/range or a group.
+ * '(' and ')' are necessary if it's a group.
+ * If not supply '@cpus', the value of cpus uses the same as lcores.
+ * e.g. '1,2@(5-7),(3-5)@(0,2),(0,6),7-8' means start 9 EAL thread as below
+ * lcore 0 runs on cpuset 0x41 (cpu 0,6)
+ * lcore 1 runs on cpuset 0x2 (cpu 1)
+ * lcore 2 runs on cpuset 0xe0 (cpu 5,6,7)
+ * lcore 3,4,5 runs on cpuset 0x5 (cpu 0,2)
+ * lcore 6 runs on cpuset 0x41 (cpu 0,6)
+ * lcore 7 runs on cpuset 0x80 (cpu 7)
+ * lcore 8 runs on cpuset 0x100 (cpu 8)
+ */
+static int
+eal_parse_lcores(const char *lcores)
+{
+ struct rte_config *cfg = rte_eal_get_configuration();
+ static uint16_t set[RTE_MAX_LCORE];
+ unsigned idx = 0;
+ int i;
+ unsigned count = 0;
+ const char *lcore_start = NULL;
+ const char *end = NULL;
+ int offset;
+ rte_cpuset_t cpuset;
+ int lflags = 0;
+ int ret = -1;
+
+ if (lcores == NULL)
+ return -1;
+
+ /* Remove all blank characters ahead and after */
+ while (isblank(*lcores))
+ lcores++;
+ i = strlen(lcores);
+ while ((i > 0) && isblank(lcores[i - 1]))
+ i--;
+
+ CPU_ZERO(&cpuset);
+
+ /* Reset lcore config */
+ for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
+ cfg->lcore_role[idx] = ROLE_OFF;
+ lcore_config[idx].core_index = -1;
+ CPU_ZERO(&lcore_config[idx].cpuset);
+ }
+
+ /* Get list of cores */
+ do {
+ while (isblank(*lcores))
+ lcores++;
+ if (*lcores == '\0')
+ goto err;
+
+ /* record lcore_set start point */
+ lcore_start = lcores;
+
+ /* go across a complete bracket */
+ if (*lcore_start == '(') {
+ lcores += strcspn(lcores, ")");
+ if (*lcores++ == '\0')
+ goto err;
+ }
+
+ /* scan the separator '@', ','(next) or '\0'(finish) */
+ lcores += strcspn(lcores, "@,");
+
+ if (*lcores == '@') {
+ /* explicit assign cpu_set */
+ offset = eal_parse_set(lcores + 1, set, RTE_DIM(set));
+ if (offset < 0)
+ goto err;
+
+ /* prepare cpu_set and update the end cursor */
+ if (0 > convert_to_cpuset(&cpuset,
+ set, RTE_DIM(set)))
+ goto err;
+ end = lcores + 1 + offset;
+ } else { /* ',' or '\0' */
+ /* haven't given cpu_set, current loop done */
+ end = lcores;
+
+ /* go back to check <number>-<number> */
+ offset = strcspn(lcore_start, "(-");
+ if (offset < (end - lcore_start) &&
+ *(lcore_start + offset) != '(')
+ lflags = 1;
+ }
+
+ if (*end != ',' && *end != '\0')
+ goto err;
+
+ /* parse lcore_set from start point */
+ if (0 > eal_parse_set(lcore_start, set, RTE_DIM(set)))
+ goto err;
+
+ /* without '@', by default using lcore_set as cpu_set */
+ if (*lcores != '@' &&
+ 0 > convert_to_cpuset(&cpuset, set, RTE_DIM(set)))
+ goto err;
+
+ /* start to update lcore_set */
+ for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
+ if (!set[idx])
+ continue;
+
+ if (cfg->lcore_role[idx] != ROLE_RTE) {
+ lcore_config[idx].core_index = count;
+ cfg->lcore_role[idx] = ROLE_RTE;
+ count++;
+ }
+
+ if (lflags) {
+ CPU_ZERO(&cpuset);
+ CPU_SET(idx, &cpuset);
+ }
+ rte_memcpy(&lcore_config[idx].cpuset, &cpuset,
+ sizeof(rte_cpuset_t));
+ }
+
+ lcores = end + 1;
+ } while (*end != '\0');
+
+ if (count == 0)
+ goto err;
+
+ cfg->lcore_count = count;
+ ret = 0;
+
+err:
+
+ return ret;
+}
+
+static int
+eal_parse_syslog(const char *facility, struct internal_config *conf)
+{
+ int i;
+ static struct {
+ const char *name;
+ int value;
+ } map[] = {
+ { "auth", LOG_AUTH },
+ { "cron", LOG_CRON },
+ { "daemon", LOG_DAEMON },
+ { "ftp", LOG_FTP },
+ { "kern", LOG_KERN },
+ { "lpr", LOG_LPR },
+ { "mail", LOG_MAIL },
+ { "news", LOG_NEWS },
+ { "syslog", LOG_SYSLOG },
+ { "user", LOG_USER },
+ { "uucp", LOG_UUCP },
+ { "local0", LOG_LOCAL0 },
+ { "local1", LOG_LOCAL1 },
+ { "local2", LOG_LOCAL2 },
+ { "local3", LOG_LOCAL3 },
+ { "local4", LOG_LOCAL4 },
+ { "local5", LOG_LOCAL5 },
+ { "local6", LOG_LOCAL6 },
+ { "local7", LOG_LOCAL7 },
+ { NULL, 0 }
+ };
+
+ for (i = 0; map[i].name; i++) {
+ if (!strcmp(facility, map[i].name)) {
+ conf->syslog_facility = map[i].value;
+ return 0;
+ }
+ }
+ return -1;
+}
+
+static int
+eal_parse_log_level(const char *level, uint32_t *log_level)
+{
+ char *end;
+ unsigned long tmp;
+
+ errno = 0;
+ tmp = strtoul(level, &end, 0);
+
+ /* check for errors */
+ if ((errno != 0) || (level[0] == '\0') ||
+ end == NULL || (*end != '\0'))
+ return -1;
+
+ /* log_level is a uint32_t */
+ if (tmp >= UINT32_MAX)
+ return -1;
+
+ *log_level = tmp;
+ return 0;
+}
+
+static enum rte_proc_type_t
+eal_parse_proc_type(const char *arg)
+{
+ if (strncasecmp(arg, "primary", sizeof("primary")) == 0)
+ return RTE_PROC_PRIMARY;
+ if (strncasecmp(arg, "secondary", sizeof("secondary")) == 0)
+ return RTE_PROC_SECONDARY;
+ if (strncasecmp(arg, "auto", sizeof("auto")) == 0)
+ return RTE_PROC_AUTO;
+
+ return RTE_PROC_INVALID;
+}
+
+int
+eal_parse_common_option(int opt, const char *optarg,
+ struct internal_config *conf)
+{
+ switch (opt) {
+ /* blacklist */
+ case 'b':
+ if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI,
+ optarg) < 0) {
+ return -1;
+ }
+ break;
+ /* whitelist */
+ case 'w':
+ if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI,
+ optarg) < 0) {
+ return -1;
+ }
+ break;
+ /* coremask */
+ case 'c':
+ if (eal_parse_coremask(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid coremask\n");
+ return -1;
+ }
+ break;
+ /* corelist */
+ case 'l':
+ if (eal_parse_corelist(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid core list\n");
+ return -1;
+ }
+ break;
+ /* size of memory */
+ case 'm':
+ conf->memory = atoi(optarg);
+ conf->memory *= 1024ULL;
+ conf->memory *= 1024ULL;
+ mem_parsed = 1;
+ break;
+ /* force number of channels */
+ case 'n':
+ conf->force_nchannel = atoi(optarg);
+ if (conf->force_nchannel == 0) {
+ RTE_LOG(ERR, EAL, "invalid channel number\n");
+ return -1;
+ }
+ break;
+ /* force number of ranks */
+ case 'r':
+ conf->force_nrank = atoi(optarg);
+ if (conf->force_nrank == 0 ||
+ conf->force_nrank > 16) {
+ RTE_LOG(ERR, EAL, "invalid rank number\n");
+ return -1;
+ }
+ break;
+ /* force loading of external driver */
+ case 'd':
+ if (eal_plugin_add(optarg) == -1)
+ return -1;
+ break;
+ case 'v':
+ /* since message is explicitly requested by user, we
+ * write message at highest log level so it can always
+ * be seen
+ * even if info or warning messages are disabled */
+ RTE_LOG(CRIT, EAL, "RTE Version: '%s'\n", rte_version());
+ break;
+
+ /* long options */
+ case OPT_HUGE_UNLINK_NUM:
+ conf->hugepage_unlink = 1;
+ break;
+
+ case OPT_NO_HUGE_NUM:
+ conf->no_hugetlbfs = 1;
+ break;
+
+ case OPT_NO_PCI_NUM:
+ conf->no_pci = 1;
+ break;
+
+ case OPT_NO_HPET_NUM:
+ conf->no_hpet = 1;
+ break;
+
+ case OPT_VMWARE_TSC_MAP_NUM:
+ conf->vmware_tsc_map = 1;
+ break;
+
+ case OPT_NO_SHCONF_NUM:
+ conf->no_shconf = 1;
+ break;
+
+ case OPT_PROC_TYPE_NUM:
+ conf->process_type = eal_parse_proc_type(optarg);
+ break;
+
+ case OPT_MASTER_LCORE_NUM:
+ if (eal_parse_master_lcore(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid parameter for --"
+ OPT_MASTER_LCORE "\n");
+ return -1;
+ }
+ break;
+
+ case OPT_VDEV_NUM:
+ if (rte_eal_devargs_add(RTE_DEVTYPE_VIRTUAL,
+ optarg) < 0) {
+ return -1;
+ }
+ break;
+
+ case OPT_SYSLOG_NUM:
+ if (eal_parse_syslog(optarg, conf) < 0) {
+ RTE_LOG(ERR, EAL, "invalid parameters for --"
+ OPT_SYSLOG "\n");
+ return -1;
+ }
+ break;
+
+ case OPT_LOG_LEVEL_NUM: {
+ uint32_t log;
+
+ if (eal_parse_log_level(optarg, &log) < 0) {
+ RTE_LOG(ERR, EAL,
+ "invalid parameters for --"
+ OPT_LOG_LEVEL "\n");
+ return -1;
+ }
+ conf->log_level = log;
+ break;
+ }
+ case OPT_LCORES_NUM:
+ if (eal_parse_lcores(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid parameter for --"
+ OPT_LCORES "\n");
+ return -1;
+ }
+ break;
+
+ /* don't know what to do, leave this to caller */
+ default:
+ return 1;
+
+ }
+
+ return 0;
+}
+
+int
+eal_adjust_config(struct internal_config *internal_cfg)
+{
+ int i;
+ struct rte_config *cfg = rte_eal_get_configuration();
+
+ if (internal_config.process_type == RTE_PROC_AUTO)
+ internal_config.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 no memory amounts were requested, this will result in 0 and
+ * will be overridden later, right after eal_hugepage_info_init() */
+ for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
+ internal_cfg->memory += internal_cfg->socket_mem[i];
+
+ return 0;
+}
+
+int
+eal_check_common_options(struct internal_config *internal_cfg)
+{
+ struct rte_config *cfg = rte_eal_get_configuration();
+
+ if (cfg->lcore_role[cfg->master_lcore] != ROLE_RTE) {
+ RTE_LOG(ERR, EAL, "Master lcore is not enabled for DPDK\n");
+ return -1;
+ }
+
+ if (internal_cfg->process_type == RTE_PROC_INVALID) {
+ RTE_LOG(ERR, EAL, "Invalid process type specified\n");
+ return -1;
+ }
+ if (index(internal_cfg->hugefile_prefix, '%') != NULL) {
+ RTE_LOG(ERR, EAL, "Invalid char, '%%', in --"OPT_FILE_PREFIX" "
+ "option\n");
+ return -1;
+ }
+ if (mem_parsed && internal_cfg->force_sockets == 1) {
+ RTE_LOG(ERR, EAL, "Options -m and --"OPT_SOCKET_MEM" cannot "
+ "be specified at the same time\n");
+ return -1;
+ }
+ if (internal_cfg->no_hugetlbfs && internal_cfg->force_sockets == 1) {
+ RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_MEM" cannot "
+ "be specified together with --"OPT_NO_HUGE"\n");
+ return -1;
+ }
+
+ if (internal_cfg->no_hugetlbfs && internal_cfg->hugepage_unlink) {
+ RTE_LOG(ERR, EAL, "Option --"OPT_HUGE_UNLINK" cannot "
+ "be specified together with --"OPT_NO_HUGE"\n");
+ return -1;
+ }
+
+ if (rte_eal_devargs_type_count(RTE_DEVTYPE_WHITELISTED_PCI) != 0 &&
+ rte_eal_devargs_type_count(RTE_DEVTYPE_BLACKLISTED_PCI) != 0) {
+ RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) "
+ "cannot be used at the same time\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+void
+eal_common_usage(void)
+{
+ printf("[options]\n\n"
+ "EAL common options:\n"
+ " -c COREMASK Hexadecimal bitmask of cores to run on\n"
+ " -l CORELIST List of cores to run on\n"
+ " The argument format is <c1>[-c2][,c3[-c4],...]\n"
+ " where c1, c2, etc are core indexes between 0 and %d\n"
+ " --"OPT_LCORES" COREMAP Map lcore set to physical cpu set\n"
+ " The argument format is\n"
+ " '<lcores[@cpus]>[<,lcores[@cpus]>...]'\n"
+ " lcores and cpus list are grouped by '(' and ')'\n"
+ " Within the group, '-' is used for range separator,\n"
+ " ',' is used for single number separator.\n"
+ " '( )' can be omitted for single element group,\n"
+ " '@' can be omitted if cpus and lcores have the same value\n"
+ " --"OPT_MASTER_LCORE" ID Core ID that is used as master\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"
+ " --"OPT_VDEV" Add a virtual device.\n"
+ " The argument format is <driver><id>[,key=val,...]\n"
+ " (ex: --vdev=eth_pcap0,iface=eth2).\n"
+ " -d LIB.so|DIR Add a driver or driver directory\n"
+ " (can be used multiple times)\n"
+ " --"OPT_VMWARE_TSC_MAP" Use VMware TSC map instead of native RDTSC\n"
+ " --"OPT_PROC_TYPE" Type of this process (primary|secondary|auto)\n"
+ " --"OPT_SYSLOG" Set syslog facility\n"
+ " --"OPT_LOG_LEVEL" Set default log level\n"
+ " -v Display version information on startup\n"
+ " -h, --help This help\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_PCI" Disable PCI\n"
+ " --"OPT_NO_HPET" Disable HPET\n"
+ " --"OPT_NO_SHCONF" No shared config (mmap'd files)\n"
+ "\n", RTE_MAX_LCORE);
+}
Code Review / deb_dpdk.git / blobdiff