lib/librte_eal/common/eal_common_options.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation.
   3  * Copyright(c) 2014 6WIND S.A.
   4  */
   5
   6 #include <stdlib.h>
   7 #include <unistd.h>
   8 #include <string.h>
   9 #include <syslog.h>
  10 #include <ctype.h>
  11 #include <limits.h>
  12 #include <errno.h>
  13 #include <getopt.h>
  14 #include <dlfcn.h>
  15 #include <sys/types.h>
  16 #include <sys/stat.h>
  17 #include <dirent.h>
  18
  19 #include <rte_eal.h>
  20 #include <rte_log.h>
  21 #include <rte_lcore.h>
  22 #include <rte_tailq.h>
  23 #include <rte_version.h>
  24 #include <rte_devargs.h>
  25 #include <rte_memcpy.h>
  26
  27 #include "eal_internal_cfg.h"
  28 #include "eal_options.h"
  29 #include "eal_filesystem.h"
  30
  31 #define BITS_PER_HEX 4
  32 #define LCORE_OPT_LST 1
  33 #define LCORE_OPT_MSK 2
  34 #define LCORE_OPT_MAP 3
  35
  36 const char
  37 eal_short_options[] =
  38         "b:" /* pci-blacklist */
  39         "c:" /* coremask */
  40         "s:" /* service coremask */
  41         "d:" /* driver */
  42         "h"  /* help */
  43         "l:" /* corelist */
  44         "S:" /* service corelist */
  45         "m:" /* memory size */
  46         "n:" /* memory channels */
  47         "r:" /* memory ranks */
  48         "v"  /* version */
  49         "w:" /* pci-whitelist */
  50         ;
  51
  52 const struct option
  53 eal_long_options[] = {
  54         {OPT_BASE_VIRTADDR,     1, NULL, OPT_BASE_VIRTADDR_NUM    },
  55         {OPT_CREATE_UIO_DEV,    0, NULL, OPT_CREATE_UIO_DEV_NUM   },
  56         {OPT_FILE_PREFIX,       1, NULL, OPT_FILE_PREFIX_NUM      },
  57         {OPT_HELP,              0, NULL, OPT_HELP_NUM             },
  58         {OPT_HUGE_DIR,          1, NULL, OPT_HUGE_DIR_NUM         },
  59         {OPT_HUGE_UNLINK,       0, NULL, OPT_HUGE_UNLINK_NUM      },
  60         {OPT_LCORES,            1, NULL, OPT_LCORES_NUM           },
  61         {OPT_LOG_LEVEL,         1, NULL, OPT_LOG_LEVEL_NUM        },
  62         {OPT_MASTER_LCORE,      1, NULL, OPT_MASTER_LCORE_NUM     },
  63         {OPT_MBUF_POOL_OPS_NAME, 1, NULL, OPT_MBUF_POOL_OPS_NAME_NUM},
  64         {OPT_NO_HPET,           0, NULL, OPT_NO_HPET_NUM          },
  65         {OPT_NO_HUGE,           0, NULL, OPT_NO_HUGE_NUM          },
  66         {OPT_NO_PCI,            0, NULL, OPT_NO_PCI_NUM           },
  67         {OPT_NO_SHCONF,         0, NULL, OPT_NO_SHCONF_NUM        },
  68         {OPT_PCI_BLACKLIST,     1, NULL, OPT_PCI_BLACKLIST_NUM    },
  69         {OPT_PCI_WHITELIST,     1, NULL, OPT_PCI_WHITELIST_NUM    },
  70         {OPT_PROC_TYPE,         1, NULL, OPT_PROC_TYPE_NUM        },
  71         {OPT_SOCKET_MEM,        1, NULL, OPT_SOCKET_MEM_NUM       },
  72         {OPT_SYSLOG,            1, NULL, OPT_SYSLOG_NUM           },
  73         {OPT_VDEV,              1, NULL, OPT_VDEV_NUM             },
  74         {OPT_VFIO_INTR,         1, NULL, OPT_VFIO_INTR_NUM        },
  75         {OPT_VMWARE_TSC_MAP,    0, NULL, OPT_VMWARE_TSC_MAP_NUM   },
  76         {OPT_LEGACY_MEM,        0, NULL, OPT_LEGACY_MEM_NUM       },
  77         {OPT_SINGLE_FILE_SEGMENTS, 0, NULL, OPT_SINGLE_FILE_SEGMENTS_NUM},
  78         {0,                     0, NULL, 0                        }
  79 };
  80
  81 TAILQ_HEAD(shared_driver_list, shared_driver);
  82
  83 /* Definition for shared object drivers. */
  84 struct shared_driver {
  85         TAILQ_ENTRY(shared_driver) next;
  86
  87         char    name[PATH_MAX];
  88         void*   lib_handle;
  89 };
  90
  91 /* List of external loadable drivers */
  92 static struct shared_driver_list solib_list =
  93 TAILQ_HEAD_INITIALIZER(solib_list);
  94
  95 /* Default path of external loadable drivers */
  96 static const char *default_solib_dir = RTE_EAL_PMD_PATH;
  97
  98 /*
  99  * Stringified version of solib path used by dpdk-pmdinfo.py
 100  * Note: PLEASE DO NOT ALTER THIS without making a corresponding
 101  * change to usertools/dpdk-pmdinfo.py
 102  */
 103 static const char dpdk_solib_path[] __attribute__((used)) =
 104 "DPDK_PLUGIN_PATH=" RTE_EAL_PMD_PATH;
 105
 106 TAILQ_HEAD(device_option_list, device_option);
 107
 108 struct device_option {
 109         TAILQ_ENTRY(device_option) next;
 110
 111         enum rte_devtype type;
 112         char arg[];
 113 };
 114
 115 static struct device_option_list devopt_list =
 116 TAILQ_HEAD_INITIALIZER(devopt_list);
 117
 118 static int master_lcore_parsed;
 119 static int mem_parsed;
 120 static int core_parsed;
 121
 122 static int
 123 eal_option_device_add(enum rte_devtype type, const char *optarg)
 124 {
 125         struct device_option *devopt;
 126         size_t optlen;
 127         int ret;
 128
 129         optlen = strlen(optarg) + 1;
 130         devopt = calloc(1, sizeof(*devopt) + optlen);
 131         if (devopt == NULL) {
 132                 RTE_LOG(ERR, EAL, "Unable to allocate device option\n");
 133                 return -ENOMEM;
 134         }
 135
 136         devopt->type = type;
 137         ret = snprintf(devopt->arg, optlen, "%s", optarg);
 138         if (ret < 0) {
 139                 RTE_LOG(ERR, EAL, "Unable to copy device option\n");
 140                 free(devopt);
 141                 return -EINVAL;
 142         }
 143         TAILQ_INSERT_TAIL(&devopt_list, devopt, next);
 144         return 0;
 145 }
 146
 147 int
 148 eal_option_device_parse(void)
 149 {
 150         struct device_option *devopt;
 151         void *tmp;
 152         int ret = 0;
 153
 154         TAILQ_FOREACH_SAFE(devopt, &devopt_list, next, tmp) {
 155                 if (ret == 0) {
 156                         ret = rte_eal_devargs_add(devopt->type, devopt->arg);
 157                         if (ret)
 158                                 RTE_LOG(ERR, EAL, "Unable to parse device '%s'\n",
 159                                         devopt->arg);
 160                 }
 161                 TAILQ_REMOVE(&devopt_list, devopt, next);
 162                 free(devopt);
 163         }
 164         return ret;
 165 }
 166
 167 void
 168 eal_reset_internal_config(struct internal_config *internal_cfg)
 169 {
 170         int i;
 171
 172         internal_cfg->memory = 0;
 173         internal_cfg->force_nrank = 0;
 174         internal_cfg->force_nchannel = 0;
 175         internal_cfg->hugefile_prefix = HUGEFILE_PREFIX_DEFAULT;
 176         internal_cfg->hugepage_dir = NULL;
 177         internal_cfg->force_sockets = 0;
 178         /* zero out the NUMA config */
 179         for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
 180                 internal_cfg->socket_mem[i] = 0;
 181         /* zero out hugedir descriptors */
 182         for (i = 0; i < MAX_HUGEPAGE_SIZES; i++) {
 183                 memset(&internal_cfg->hugepage_info[i], 0,
 184                                 sizeof(internal_cfg->hugepage_info[0]));
 185                 internal_cfg->hugepage_info[i].lock_descriptor = -1;
 186         }
 187         internal_cfg->base_virtaddr = 0;
 188
 189         internal_cfg->syslog_facility = LOG_DAEMON;
 190
 191         /* if set to NONE, interrupt mode is determined automatically */
 192         internal_cfg->vfio_intr_mode = RTE_INTR_MODE_NONE;
 193
 194 #ifdef RTE_LIBEAL_USE_HPET
 195         internal_cfg->no_hpet = 0;
 196 #else
 197         internal_cfg->no_hpet = 1;
 198 #endif
 199         internal_cfg->vmware_tsc_map = 0;
 200         internal_cfg->create_uio_dev = 0;
 201         internal_cfg->user_mbuf_pool_ops_name = NULL;
 202         internal_cfg->init_complete = 0;
 203 }
 204
 205 static int
 206 eal_plugin_add(const char *path)
 207 {
 208         struct shared_driver *solib;
 209
 210         solib = malloc(sizeof(*solib));
 211         if (solib == NULL) {
 212                 RTE_LOG(ERR, EAL, "malloc(solib) failed\n");
 213                 return -1;
 214         }
 215         memset(solib, 0, sizeof(*solib));
 216         strncpy(solib->name, path, PATH_MAX-1);
 217         solib->name[PATH_MAX-1] = 0;
 218         TAILQ_INSERT_TAIL(&solib_list, solib, next);
 219
 220         return 0;
 221 }
 222
 223 static int
 224 eal_plugindir_init(const char *path)
 225 {
 226         DIR *d = NULL;
 227         struct dirent *dent = NULL;
 228         char sopath[PATH_MAX];
 229
 230         if (path == NULL || *path == '\0')
 231                 return 0;
 232
 233         d = opendir(path);
 234         if (d == NULL) {
 235                 RTE_LOG(ERR, EAL, "failed to open directory %s: %s\n",
 236                         path, strerror(errno));
 237                 return -1;
 238         }
 239
 240         while ((dent = readdir(d)) != NULL) {
 241                 struct stat sb;
 242
 243                 snprintf(sopath, PATH_MAX-1, "%s/%s", path, dent->d_name);
 244                 sopath[PATH_MAX-1] = 0;
 245
 246                 if (!(stat(sopath, &sb) == 0 && S_ISREG(sb.st_mode)))
 247                         continue;
 248
 249                 if (eal_plugin_add(sopath) == -1)
 250                         break;
 251         }
 252
 253         closedir(d);
 254         /* XXX this ignores failures from readdir() itself */
 255         return (dent == NULL) ? 0 : -1;
 256 }
 257
 258 int
 259 eal_plugins_init(void)
 260 {
 261         struct shared_driver *solib = NULL;
 262         struct stat sb;
 263
 264         if (*default_solib_dir != '\0' && stat(default_solib_dir, &sb) == 0 &&
 265                                 S_ISDIR(sb.st_mode))
 266                 eal_plugin_add(default_solib_dir);
 267
 268         TAILQ_FOREACH(solib, &solib_list, next) {
 269
 270                 if (stat(solib->name, &sb) == 0 && S_ISDIR(sb.st_mode)) {
 271                         if (eal_plugindir_init(solib->name) == -1) {
 272                                 RTE_LOG(ERR, EAL,
 273                                         "Cannot init plugin directory %s\n",
 274                                         solib->name);
 275                                 return -1;
 276                         }
 277                 } else {
 278                         RTE_LOG(DEBUG, EAL, "open shared lib %s\n",
 279                                 solib->name);
 280                         solib->lib_handle = dlopen(solib->name, RTLD_NOW);
 281                         if (solib->lib_handle == NULL) {
 282                                 RTE_LOG(ERR, EAL, "%s\n", dlerror());
 283                                 return -1;
 284                         }
 285                 }
 286
 287         }
 288         return 0;
 289 }
 290
 291 /*
 292  * Parse the coremask given as argument (hexadecimal string) and fill
 293  * the global configuration (core role and core count) with the parsed
 294  * value.
 295  */
 296 static int xdigit2val(unsigned char c)
 297 {
 298         int val;
 299
 300         if (isdigit(c))
 301                 val = c - '0';
 302         else if (isupper(c))
 303                 val = c - 'A' + 10;
 304         else
 305                 val = c - 'a' + 10;
 306         return val;
 307 }
 308
 309 static int
 310 eal_parse_service_coremask(const char *coremask)
 311 {
 312         struct rte_config *cfg = rte_eal_get_configuration();
 313         int i, j, idx = 0;
 314         unsigned int count = 0;
 315         char c;
 316         int val;
 317
 318         if (coremask == NULL)
 319                 return -1;
 320         /* Remove all blank characters ahead and after .
 321          * Remove 0x/0X if exists.
 322          */
 323         while (isblank(*coremask))
 324                 coremask++;
 325         if (coremask[0] == '0' && ((coremask[1] == 'x')
 326                 || (coremask[1] == 'X')))
 327                 coremask += 2;
 328         i = strlen(coremask);
 329         while ((i > 0) && isblank(coremask[i - 1]))
 330                 i--;
 331
 332         if (i == 0)
 333                 return -1;
 334
 335         for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
 336                 c = coremask[i];
 337                 if (isxdigit(c) == 0) {
 338                         /* invalid characters */
 339                         return -1;
 340                 }
 341                 val = xdigit2val(c);
 342                 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE;
 343                                 j++, idx++) {
 344                         if ((1 << j) & val) {
 345                                 /* handle master lcore already parsed */
 346                                 uint32_t lcore = idx;
 347                                 if (master_lcore_parsed &&
 348                                                 cfg->master_lcore == lcore) {
 349                                         RTE_LOG(ERR, EAL,
 350                                                 "Error: lcore %u is master lcore, cannot use as service core\n",
 351                                                 idx);
 352                                         return -1;
 353                                 }
 354
 355                                 if (!lcore_config[idx].detected) {
 356                                         RTE_LOG(ERR, EAL,
 357                                                 "lcore %u unavailable\n", idx);
 358                                         return -1;
 359                                 }
 360                                 lcore_config[idx].core_role = ROLE_SERVICE;
 361                                 count++;
 362                         }
 363                 }
 364         }
 365
 366         for (; i >= 0; i--)
 367                 if (coremask[i] != '0')
 368                         return -1;
 369
 370         for (; idx < RTE_MAX_LCORE; idx++)
 371                 lcore_config[idx].core_index = -1;
 372
 373         if (count == 0)
 374                 return -1;
 375
 376         cfg->service_lcore_count = count;
 377         return 0;
 378 }
 379
 380 static int
 381 eal_parse_coremask(const char *coremask)
 382 {
 383         struct rte_config *cfg = rte_eal_get_configuration();
 384         int i, j, idx = 0;
 385         unsigned count = 0;
 386         char c;
 387         int val;
 388
 389         if (coremask == NULL)
 390                 return -1;
 391         /* Remove all blank characters ahead and after .
 392          * Remove 0x/0X if exists.
 393          */
 394         while (isblank(*coremask))
 395                 coremask++;
 396         if (coremask[0] == '0' && ((coremask[1] == 'x')
 397                 || (coremask[1] == 'X')))
 398                 coremask += 2;
 399         i = strlen(coremask);
 400         while ((i > 0) && isblank(coremask[i - 1]))
 401                 i--;
 402         if (i == 0)
 403                 return -1;
 404
 405         for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
 406                 c = coremask[i];
 407                 if (isxdigit(c) == 0) {
 408                         /* invalid characters */
 409                         return -1;
 410                 }
 411                 val = xdigit2val(c);
 412                 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++)
 413                 {
 414                         if ((1 << j) & val) {
 415                                 if (!lcore_config[idx].detected) {
 416                                         RTE_LOG(ERR, EAL, "lcore %u "
 417                                                 "unavailable\n", idx);
 418                                         return -1;
 419                                 }
 420                                 cfg->lcore_role[idx] = ROLE_RTE;
 421                                 lcore_config[idx].core_index = count;
 422                                 count++;
 423                         } else {
 424                                 cfg->lcore_role[idx] = ROLE_OFF;
 425                                 lcore_config[idx].core_index = -1;
 426                         }
 427                 }
 428         }
 429         for (; i >= 0; i--)
 430                 if (coremask[i] != '0')
 431                         return -1;
 432         for (; idx < RTE_MAX_LCORE; idx++) {
 433                 cfg->lcore_role[idx] = ROLE_OFF;
 434                 lcore_config[idx].core_index = -1;
 435         }
 436         if (count == 0)
 437                 return -1;
 438         /* Update the count of enabled logical cores of the EAL configuration */
 439         cfg->lcore_count = count;
 440         return 0;
 441 }
 442
 443 static int
 444 eal_parse_service_corelist(const char *corelist)
 445 {
 446         struct rte_config *cfg = rte_eal_get_configuration();
 447         int i, idx = 0;
 448         unsigned count = 0;
 449         char *end = NULL;
 450         int min, max;
 451
 452         if (corelist == NULL)
 453                 return -1;
 454
 455         /* Remove all blank characters ahead and after */
 456         while (isblank(*corelist))
 457                 corelist++;
 458         i = strlen(corelist);
 459         while ((i > 0) && isblank(corelist[i - 1]))
 460                 i--;
 461
 462         /* Get list of cores */
 463         min = RTE_MAX_LCORE;
 464         do {
 465                 while (isblank(*corelist))
 466                         corelist++;
 467                 if (*corelist == '\0')
 468                         return -1;
 469                 errno = 0;
 470                 idx = strtoul(corelist, &end, 10);
 471                 if (errno || end == NULL)
 472                         return -1;
 473                 while (isblank(*end))
 474                         end++;
 475                 if (*end == '-') {
 476                         min = idx;
 477                 } else if ((*end == ',') || (*end == '\0')) {
 478                         max = idx;
 479                         if (min == RTE_MAX_LCORE)
 480                                 min = idx;
 481                         for (idx = min; idx <= max; idx++) {
 482                                 if (cfg->lcore_role[idx] != ROLE_SERVICE) {
 483                                         /* handle master lcore already parsed */
 484                                         uint32_t lcore = idx;
 485                                         if (cfg->master_lcore == lcore &&
 486                                                         master_lcore_parsed) {
 487                                                 RTE_LOG(ERR, EAL,
 488                                                         "Error: lcore %u is master lcore, cannot use as service core\n",
 489                                                         idx);
 490                                                 return -1;
 491                                         }
 492                                         lcore_config[idx].core_role =
 493                                                         ROLE_SERVICE;
 494                                         count++;
 495                                 }
 496                         }
 497                         min = RTE_MAX_LCORE;
 498                 } else
 499                         return -1;
 500                 corelist = end + 1;
 501         } while (*end != '\0');
 502
 503         if (count == 0)
 504                 return -1;
 505
 506         return 0;
 507 }
 508
 509 static int
 510 eal_parse_corelist(const char *corelist)
 511 {
 512         struct rte_config *cfg = rte_eal_get_configuration();
 513         int i, idx = 0;
 514         unsigned count = 0;
 515         char *end = NULL;
 516         int min, max;
 517
 518         if (corelist == NULL)
 519                 return -1;
 520
 521         /* Remove all blank characters ahead and after */
 522         while (isblank(*corelist))
 523                 corelist++;
 524         i = strlen(corelist);
 525         while ((i > 0) && isblank(corelist[i - 1]))
 526                 i--;
 527
 528         /* Reset config */
 529         for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
 530                 cfg->lcore_role[idx] = ROLE_OFF;
 531                 lcore_config[idx].core_index = -1;
 532         }
 533
 534         /* Get list of cores */
 535         min = RTE_MAX_LCORE;
 536         do {
 537                 while (isblank(*corelist))
 538                         corelist++;
 539                 if (*corelist == '\0')
 540                         return -1;
 541                 errno = 0;
 542                 idx = strtoul(corelist, &end, 10);
 543                 if (errno || end == NULL)
 544                         return -1;
 545                 while (isblank(*end))
 546                         end++;
 547                 if (*end == '-') {
 548                         min = idx;
 549                 } else if ((*end == ',') || (*end == '\0')) {
 550                         max = idx;
 551                         if (min == RTE_MAX_LCORE)
 552                                 min = idx;
 553                         for (idx = min; idx <= max; idx++) {
 554                                 if (cfg->lcore_role[idx] != ROLE_RTE) {
 555                                         cfg->lcore_role[idx] = ROLE_RTE;
 556                                         lcore_config[idx].core_index = count;
 557                                         count++;
 558                                 }
 559                         }
 560                         min = RTE_MAX_LCORE;
 561                 } else
 562                         return -1;
 563                 corelist = end + 1;
 564         } while (*end != '\0');
 565
 566         if (count == 0)
 567                 return -1;
 568
 569         /* Update the count of enabled logical cores of the EAL configuration */
 570         cfg->lcore_count = count;
 571
 572         return 0;
 573 }
 574
 575 /* Changes the lcore id of the master thread */
 576 static int
 577 eal_parse_master_lcore(const char *arg)
 578 {
 579         char *parsing_end;
 580         struct rte_config *cfg = rte_eal_get_configuration();
 581
 582         errno = 0;
 583         cfg->master_lcore = (uint32_t) strtol(arg, &parsing_end, 0);
 584         if (errno || parsing_end[0] != 0)
 585                 return -1;
 586         if (cfg->master_lcore >= RTE_MAX_LCORE)
 587                 return -1;
 588         master_lcore_parsed = 1;
 589
 590         /* ensure master core is not used as service core */
 591         if (lcore_config[cfg->master_lcore].core_role == ROLE_SERVICE) {
 592                 RTE_LOG(ERR, EAL, "Error: Master lcore is used as a service core.\n");
 593                 return -1;
 594         }
 595
 596         return 0;
 597 }
 598
 599 /*
 600  * Parse elem, the elem could be single number/range or '(' ')' group
 601  * 1) A single number elem, it's just a simple digit. e.g. 9
 602  * 2) A single range elem, two digits with a '-' between. e.g. 2-6
 603  * 3) A group elem, combines multiple 1) or 2) with '( )'. e.g (0,2-4,6)
 604  *    Within group elem, '-' used for a range separator;
 605  *                       ',' used for a single number.
 606  */
 607 static int
 608 eal_parse_set(const char *input, uint16_t set[], unsigned num)
 609 {
 610         unsigned idx;
 611         const char *str = input;
 612         char *end = NULL;
 613         unsigned min, max;
 614
 615         memset(set, 0, num * sizeof(uint16_t));
 616
 617         while (isblank(*str))
 618                 str++;
 619
 620         /* only digit or left bracket is qualify for start point */
 621         if ((!isdigit(*str) && *str != '(') || *str == '\0')
 622                 return -1;
 623
 624         /* process single number or single range of number */
 625         if (*str != '(') {
 626                 errno = 0;
 627                 idx = strtoul(str, &end, 10);
 628                 if (errno || end == NULL || idx >= num)
 629                         return -1;
 630                 else {
 631                         while (isblank(*end))
 632                                 end++;
 633
 634                         min = idx;
 635                         max = idx;
 636                         if (*end == '-') {
 637                                 /* process single <number>-<number> */
 638                                 end++;
 639                                 while (isblank(*end))
 640                                         end++;
 641                                 if (!isdigit(*end))
 642                                         return -1;
 643
 644                                 errno = 0;
 645                                 idx = strtoul(end, &end, 10);
 646                                 if (errno || end == NULL || idx >= num)
 647                                         return -1;
 648                                 max = idx;
 649                                 while (isblank(*end))
 650                                         end++;
 651                                 if (*end != ',' && *end != '\0')
 652                                         return -1;
 653                         }
 654
 655                         if (*end != ',' && *end != '\0' &&
 656                             *end != '@')
 657                                 return -1;
 658
 659                         for (idx = RTE_MIN(min, max);
 660                              idx <= RTE_MAX(min, max); idx++)
 661                                 set[idx] = 1;
 662
 663                         return end - input;
 664                 }
 665         }
 666
 667         /* process set within bracket */
 668         str++;
 669         while (isblank(*str))
 670                 str++;
 671         if (*str == '\0')
 672                 return -1;
 673
 674         min = RTE_MAX_LCORE;
 675         do {
 676
 677                 /* go ahead to the first digit */
 678                 while (isblank(*str))
 679                         str++;
 680                 if (!isdigit(*str))
 681                         return -1;
 682
 683                 /* get the digit value */
 684                 errno = 0;
 685                 idx = strtoul(str, &end, 10);
 686                 if (errno || end == NULL || idx >= num)
 687                         return -1;
 688
 689                 /* go ahead to separator '-',',' and ')' */
 690                 while (isblank(*end))
 691                         end++;
 692                 if (*end == '-') {
 693                         if (min == RTE_MAX_LCORE)
 694                                 min = idx;
 695                         else /* avoid continuous '-' */
 696                                 return -1;
 697                 } else if ((*end == ',') || (*end == ')')) {
 698                         max = idx;
 699                         if (min == RTE_MAX_LCORE)
 700                                 min = idx;
 701                         for (idx = RTE_MIN(min, max);
 702                              idx <= RTE_MAX(min, max); idx++)
 703                                 set[idx] = 1;
 704
 705                         min = RTE_MAX_LCORE;
 706                 } else
 707                         return -1;
 708
 709                 str = end + 1;
 710         } while (*end != '\0' && *end != ')');
 711
 712         /*
 713          * to avoid failure that tail blank makes end character check fail
 714          * in eal_parse_lcores( )
 715          */
 716         while (isblank(*str))
 717                 str++;
 718
 719         return str - input;
 720 }
 721
 722 /* convert from set array to cpuset bitmap */
 723 static int
 724 convert_to_cpuset(rte_cpuset_t *cpusetp,
 725               uint16_t *set, unsigned num)
 726 {
 727         unsigned idx;
 728
 729         CPU_ZERO(cpusetp);
 730
 731         for (idx = 0; idx < num; idx++) {
 732                 if (!set[idx])
 733                         continue;
 734
 735                 if (!lcore_config[idx].detected) {
 736                         RTE_LOG(ERR, EAL, "core %u "
 737                                 "unavailable\n", idx);
 738                         return -1;
 739                 }
 740
 741                 CPU_SET(idx, cpusetp);
 742         }
 743
 744         return 0;
 745 }
 746
 747 /*
 748  * The format pattern: --lcores='<lcores[@cpus]>[<,lcores[@cpus]>...]'
 749  * lcores, cpus could be a single digit/range or a group.
 750  * '(' and ')' are necessary if it's a group.
 751  * If not supply '@cpus', the value of cpus uses the same as lcores.
 752  * e.g. '1,2@(5-7),(3-5)@(0,2),(0,6),7-8' means start 9 EAL thread as below
 753  *   lcore 0 runs on cpuset 0x41 (cpu 0,6)
 754  *   lcore 1 runs on cpuset 0x2 (cpu 1)
 755  *   lcore 2 runs on cpuset 0xe0 (cpu 5,6,7)
 756  *   lcore 3,4,5 runs on cpuset 0x5 (cpu 0,2)
 757  *   lcore 6 runs on cpuset 0x41 (cpu 0,6)
 758  *   lcore 7 runs on cpuset 0x80 (cpu 7)
 759  *   lcore 8 runs on cpuset 0x100 (cpu 8)
 760  */
 761 static int
 762 eal_parse_lcores(const char *lcores)
 763 {
 764         struct rte_config *cfg = rte_eal_get_configuration();
 765         static uint16_t set[RTE_MAX_LCORE];
 766         unsigned idx = 0;
 767         unsigned count = 0;
 768         const char *lcore_start = NULL;
 769         const char *end = NULL;
 770         int offset;
 771         rte_cpuset_t cpuset;
 772         int lflags;
 773         int ret = -1;
 774
 775         if (lcores == NULL)
 776                 return -1;
 777
 778         /* Remove all blank characters ahead and after */
 779         while (isblank(*lcores))
 780                 lcores++;
 781
 782         CPU_ZERO(&cpuset);
 783
 784         /* Reset lcore config */
 785         for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
 786                 cfg->lcore_role[idx] = ROLE_OFF;
 787                 lcore_config[idx].core_index = -1;
 788                 CPU_ZERO(&lcore_config[idx].cpuset);
 789         }
 790
 791         /* Get list of cores */
 792         do {
 793                 while (isblank(*lcores))
 794                         lcores++;
 795                 if (*lcores == '\0')
 796                         goto err;
 797
 798                 lflags = 0;
 799
 800                 /* record lcore_set start point */
 801                 lcore_start = lcores;
 802
 803                 /* go across a complete bracket */
 804                 if (*lcore_start == '(') {
 805                         lcores += strcspn(lcores, ")");
 806                         if (*lcores++ == '\0')
 807                                 goto err;
 808                 }
 809
 810                 /* scan the separator '@', ','(next) or '\0'(finish) */
 811                 lcores += strcspn(lcores, "@,");
 812
 813                 if (*lcores == '@') {
 814                         /* explicit assign cpu_set */
 815                         offset = eal_parse_set(lcores + 1, set, RTE_DIM(set));
 816                         if (offset < 0)
 817                                 goto err;
 818
 819                         /* prepare cpu_set and update the end cursor */
 820                         if (0 > convert_to_cpuset(&cpuset,
 821                                                   set, RTE_DIM(set)))
 822                                 goto err;
 823                         end = lcores + 1 + offset;
 824                 } else { /* ',' or '\0' */
 825                         /* haven't given cpu_set, current loop done */
 826                         end = lcores;
 827
 828                         /* go back to check <number>-<number> */
 829                         offset = strcspn(lcore_start, "(-");
 830                         if (offset < (end - lcore_start) &&
 831                             *(lcore_start + offset) != '(')
 832                                 lflags = 1;
 833                 }
 834
 835                 if (*end != ',' && *end != '\0')
 836                         goto err;
 837
 838                 /* parse lcore_set from start point */
 839                 if (0 > eal_parse_set(lcore_start, set, RTE_DIM(set)))
 840                         goto err;
 841
 842                 /* without '@', by default using lcore_set as cpu_set */
 843                 if (*lcores != '@' &&
 844                     0 > convert_to_cpuset(&cpuset, set, RTE_DIM(set)))
 845                         goto err;
 846
 847                 /* start to update lcore_set */
 848                 for (idx = 0; idx < RTE_MAX_LCORE; idx++) {
 849                         if (!set[idx])
 850                                 continue;
 851
 852                         if (cfg->lcore_role[idx] != ROLE_RTE) {
 853                                 lcore_config[idx].core_index = count;
 854                                 cfg->lcore_role[idx] = ROLE_RTE;
 855                                 count++;
 856                         }
 857
 858                         if (lflags) {
 859                                 CPU_ZERO(&cpuset);
 860                                 CPU_SET(idx, &cpuset);
 861                         }
 862                         rte_memcpy(&lcore_config[idx].cpuset, &cpuset,
 863                                    sizeof(rte_cpuset_t));
 864                 }
 865
 866                 lcores = end + 1;
 867         } while (*end != '\0');
 868
 869         if (count == 0)
 870                 goto err;
 871
 872         cfg->lcore_count = count;
 873         ret = 0;
 874
 875 err:
 876
 877         return ret;
 878 }
 879
 880 static int
 881 eal_parse_syslog(const char *facility, struct internal_config *conf)
 882 {
 883         int i;
 884         static struct {
 885                 const char *name;
 886                 int value;
 887         } map[] = {
 888                 { "auth", LOG_AUTH },
 889                 { "cron", LOG_CRON },
 890                 { "daemon", LOG_DAEMON },
 891                 { "ftp", LOG_FTP },
 892                 { "kern", LOG_KERN },
 893                 { "lpr", LOG_LPR },
 894                 { "mail", LOG_MAIL },
 895                 { "news", LOG_NEWS },
 896                 { "syslog", LOG_SYSLOG },
 897                 { "user", LOG_USER },
 898                 { "uucp", LOG_UUCP },
 899                 { "local0", LOG_LOCAL0 },
 900                 { "local1", LOG_LOCAL1 },
 901                 { "local2", LOG_LOCAL2 },
 902                 { "local3", LOG_LOCAL3 },
 903                 { "local4", LOG_LOCAL4 },
 904                 { "local5", LOG_LOCAL5 },
 905                 { "local6", LOG_LOCAL6 },
 906                 { "local7", LOG_LOCAL7 },
 907                 { NULL, 0 }
 908         };
 909
 910         for (i = 0; map[i].name; i++) {
 911                 if (!strcmp(facility, map[i].name)) {
 912                         conf->syslog_facility = map[i].value;
 913                         return 0;
 914                 }
 915         }
 916         return -1;
 917 }
 918
 919 static int
 920 eal_parse_log_level(const char *arg)
 921 {
 922         char *end, *str, *type, *level;
 923         unsigned long tmp;
 924
 925         str = strdup(arg);
 926         if (str == NULL)
 927                 return -1;
 928
 929         if (strchr(str, ',') == NULL) {
 930                 type = NULL;
 931                 level = str;
 932         } else {
 933                 type = strsep(&str, ",");
 934                 level = strsep(&str, ",");
 935         }
 936
 937         errno = 0;
 938         tmp = strtoul(level, &end, 0);
 939
 940         /* check for errors */
 941         if ((errno != 0) || (level[0] == '\0') ||
 942                     end == NULL || (*end != '\0'))
 943                 goto fail;
 944
 945         /* log_level is a uint32_t */
 946         if (tmp >= UINT32_MAX)
 947                 goto fail;
 948
 949         if (type == NULL) {
 950                 rte_log_set_global_level(tmp);
 951         } else if (rte_log_set_level_regexp(type, tmp) < 0) {
 952                 printf("cannot set log level %s,%lu\n",
 953                         type, tmp);
 954                 goto fail;
 955         } else {
 956                 struct rte_eal_opt_loglevel *opt_ll;
 957
 958                 /*
 959                  * Save the type (regexp string) and the loglevel
 960                  * in the global storage so that it could be used
 961                  * to configure dynamic logtypes which are absent
 962                  * at the moment of EAL option processing but may
 963                  * be registered during runtime.
 964                  */
 965                 opt_ll = malloc(sizeof(*opt_ll));
 966                 if (opt_ll == NULL)
 967                         goto fail;
 968
 969                 opt_ll->re_type = strdup(type);
 970                 if (opt_ll->re_type == NULL) {
 971                         free(opt_ll);
 972                         goto fail;
 973                 }
 974
 975                 opt_ll->level = tmp;
 976
 977                 TAILQ_INSERT_HEAD(&opt_loglevel_list, opt_ll, next);
 978         }
 979
 980         free(str);
 981         return 0;
 982
 983 fail:
 984         free(str);
 985         return -1;
 986 }
 987
 988 static enum rte_proc_type_t
 989 eal_parse_proc_type(const char *arg)
 990 {
 991         if (strncasecmp(arg, "primary", sizeof("primary")) == 0)
 992                 return RTE_PROC_PRIMARY;
 993         if (strncasecmp(arg, "secondary", sizeof("secondary")) == 0)
 994                 return RTE_PROC_SECONDARY;
 995         if (strncasecmp(arg, "auto", sizeof("auto")) == 0)
 996                 return RTE_PROC_AUTO;
 997
 998         return RTE_PROC_INVALID;
 999 }
1000
1001 int
1002 eal_parse_common_option(int opt, const char *optarg,
1003                         struct internal_config *conf)
1004 {
1005         static int b_used;
1006         static int w_used;
1007
1008         switch (opt) {
1009         /* blacklist */
1010         case 'b':
1011                 if (w_used)
1012                         goto bw_used;
1013                 if (eal_option_device_add(RTE_DEVTYPE_BLACKLISTED_PCI,
1014                                 optarg) < 0) {
1015                         return -1;
1016                 }
1017                 b_used = 1;
1018                 break;
1019         /* whitelist */
1020         case 'w':
1021                 if (b_used)
1022                         goto bw_used;
1023                 if (eal_option_device_add(RTE_DEVTYPE_WHITELISTED_PCI,
1024                                 optarg) < 0) {
1025                         return -1;
1026                 }
1027                 w_used = 1;
1028                 break;
1029         /* coremask */
1030         case 'c':
1031                 if (eal_parse_coremask(optarg) < 0) {
1032                         RTE_LOG(ERR, EAL, "invalid coremask\n");
1033                         return -1;
1034                 }
1035
1036                 if (core_parsed) {
1037                         RTE_LOG(ERR, EAL, "Option -c is ignored, because (%s) is set!\n",
1038                                 (core_parsed == LCORE_OPT_LST) ? "-l" :
1039                                 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1040                                 "-c");
1041                         return -1;
1042                 }
1043
1044                 core_parsed = LCORE_OPT_MSK;
1045                 break;
1046         /* corelist */
1047         case 'l':
1048                 if (eal_parse_corelist(optarg) < 0) {
1049                         RTE_LOG(ERR, EAL, "invalid core list\n");
1050                         return -1;
1051                 }
1052
1053                 if (core_parsed) {
1054                         RTE_LOG(ERR, EAL, "Option -l is ignored, because (%s) is set!\n",
1055                                 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1056                                 (core_parsed == LCORE_OPT_MAP) ? "--lcore" :
1057                                 "-l");
1058                         return -1;
1059                 }
1060
1061                 core_parsed = LCORE_OPT_LST;
1062                 break;
1063         /* service coremask */
1064         case 's':
1065                 if (eal_parse_service_coremask(optarg) < 0) {
1066                         RTE_LOG(ERR, EAL, "invalid service coremask\n");
1067                         return -1;
1068                 }
1069                 break;
1070         /* service corelist */
1071         case 'S':
1072                 if (eal_parse_service_corelist(optarg) < 0) {
1073                         RTE_LOG(ERR, EAL, "invalid service core list\n");
1074                         return -1;
1075                 }
1076                 break;
1077         /* size of memory */
1078         case 'm':
1079                 conf->memory = atoi(optarg);
1080                 conf->memory *= 1024ULL;
1081                 conf->memory *= 1024ULL;
1082                 mem_parsed = 1;
1083                 break;
1084         /* force number of channels */
1085         case 'n':
1086                 conf->force_nchannel = atoi(optarg);
1087                 if (conf->force_nchannel == 0) {
1088                         RTE_LOG(ERR, EAL, "invalid channel number\n");
1089                         return -1;
1090                 }
1091                 break;
1092         /* force number of ranks */
1093         case 'r':
1094                 conf->force_nrank = atoi(optarg);
1095                 if (conf->force_nrank == 0 ||
1096                     conf->force_nrank > 16) {
1097                         RTE_LOG(ERR, EAL, "invalid rank number\n");
1098                         return -1;
1099                 }
1100                 break;
1101         /* force loading of external driver */
1102         case 'd':
1103                 if (eal_plugin_add(optarg) == -1)
1104                         return -1;
1105                 break;
1106         case 'v':
1107                 /* since message is explicitly requested by user, we
1108                  * write message at highest log level so it can always
1109                  * be seen
1110                  * even if info or warning messages are disabled */
1111                 RTE_LOG(CRIT, EAL, "RTE Version: '%s'\n", rte_version());
1112                 break;
1113
1114         /* long options */
1115         case OPT_HUGE_UNLINK_NUM:
1116                 conf->hugepage_unlink = 1;
1117                 break;
1118
1119         case OPT_NO_HUGE_NUM:
1120                 conf->no_hugetlbfs = 1;
1121                 /* no-huge is legacy mem */
1122                 conf->legacy_mem = 1;
1123                 break;
1124
1125         case OPT_NO_PCI_NUM:
1126                 conf->no_pci = 1;
1127                 break;
1128
1129         case OPT_NO_HPET_NUM:
1130                 conf->no_hpet = 1;
1131                 break;
1132
1133         case OPT_VMWARE_TSC_MAP_NUM:
1134                 conf->vmware_tsc_map = 1;
1135                 break;
1136
1137         case OPT_NO_SHCONF_NUM:
1138                 conf->no_shconf = 1;
1139                 break;
1140
1141         case OPT_PROC_TYPE_NUM:
1142                 conf->process_type = eal_parse_proc_type(optarg);
1143                 break;
1144
1145         case OPT_MASTER_LCORE_NUM:
1146                 if (eal_parse_master_lcore(optarg) < 0) {
1147                         RTE_LOG(ERR, EAL, "invalid parameter for --"
1148                                         OPT_MASTER_LCORE "\n");
1149                         return -1;
1150                 }
1151                 break;
1152
1153         case OPT_VDEV_NUM:
1154                 if (eal_option_device_add(RTE_DEVTYPE_VIRTUAL,
1155                                 optarg) < 0) {
1156                         return -1;
1157                 }
1158                 break;
1159
1160         case OPT_SYSLOG_NUM:
1161                 if (eal_parse_syslog(optarg, conf) < 0) {
1162                         RTE_LOG(ERR, EAL, "invalid parameters for --"
1163                                         OPT_SYSLOG "\n");
1164                         return -1;
1165                 }
1166                 break;
1167
1168         case OPT_LOG_LEVEL_NUM: {
1169                 if (eal_parse_log_level(optarg) < 0) {
1170                         RTE_LOG(ERR, EAL,
1171                                 "invalid parameters for --"
1172                                 OPT_LOG_LEVEL "\n");
1173                         return -1;
1174                 }
1175                 break;
1176         }
1177         case OPT_LCORES_NUM:
1178                 if (eal_parse_lcores(optarg) < 0) {
1179                         RTE_LOG(ERR, EAL, "invalid parameter for --"
1180                                 OPT_LCORES "\n");
1181                         return -1;
1182                 }
1183
1184                 if (core_parsed) {
1185                         RTE_LOG(ERR, EAL, "Option --lcore is ignored, because (%s) is set!\n",
1186                                 (core_parsed == LCORE_OPT_LST) ? "-l" :
1187                                 (core_parsed == LCORE_OPT_MSK) ? "-c" :
1188                                 "--lcore");
1189                         return -1;
1190                 }
1191
1192                 core_parsed = LCORE_OPT_MAP;
1193                 break;
1194         case OPT_LEGACY_MEM_NUM:
1195                 conf->legacy_mem = 1;
1196                 break;
1197         case OPT_SINGLE_FILE_SEGMENTS_NUM:
1198                 conf->single_file_segments = 1;
1199                 break;
1200
1201         /* don't know what to do, leave this to caller */
1202         default:
1203                 return 1;
1204
1205         }
1206
1207         return 0;
1208 bw_used:
1209         RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) "
1210                 "cannot be used at the same time\n");
1211         return -1;
1212 }
1213
1214 static void
1215 eal_auto_detect_cores(struct rte_config *cfg)
1216 {
1217         unsigned int lcore_id;
1218         unsigned int removed = 0;
1219         rte_cpuset_t affinity_set;
1220         pthread_t tid = pthread_self();
1221
1222         if (pthread_getaffinity_np(tid, sizeof(rte_cpuset_t),
1223                                 &affinity_set) < 0)
1224                 CPU_ZERO(&affinity_set);
1225
1226         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1227                 if (cfg->lcore_role[lcore_id] == ROLE_RTE &&
1228                     !CPU_ISSET(lcore_id, &affinity_set)) {
1229                         cfg->lcore_role[lcore_id] = ROLE_OFF;
1230                         removed++;
1231                 }
1232         }
1233
1234         cfg->lcore_count -= removed;
1235 }
1236
1237 int
1238 eal_adjust_config(struct internal_config *internal_cfg)
1239 {
1240         int i;
1241         struct rte_config *cfg = rte_eal_get_configuration();
1242
1243         if (!core_parsed)
1244                 eal_auto_detect_cores(cfg);
1245
1246         if (internal_config.process_type == RTE_PROC_AUTO)
1247                 internal_config.process_type = eal_proc_type_detect();
1248
1249         /* default master lcore is the first one */
1250         if (!master_lcore_parsed) {
1251                 cfg->master_lcore = rte_get_next_lcore(-1, 0, 0);
1252                 lcore_config[cfg->master_lcore].core_role = ROLE_RTE;
1253         }
1254
1255         /* if no memory amounts were requested, this will result in 0 and
1256          * will be overridden later, right after eal_hugepage_info_init() */
1257         for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
1258                 internal_cfg->memory += internal_cfg->socket_mem[i];
1259
1260         return 0;
1261 }
1262
1263 int
1264 eal_check_common_options(struct internal_config *internal_cfg)
1265 {
1266         struct rte_config *cfg = rte_eal_get_configuration();
1267
1268         if (cfg->lcore_role[cfg->master_lcore] != ROLE_RTE) {
1269                 RTE_LOG(ERR, EAL, "Master lcore is not enabled for DPDK\n");
1270                 return -1;
1271         }
1272
1273         if (internal_cfg->process_type == RTE_PROC_INVALID) {
1274                 RTE_LOG(ERR, EAL, "Invalid process type specified\n");
1275                 return -1;
1276         }
1277         if (index(internal_cfg->hugefile_prefix, '%') != NULL) {
1278                 RTE_LOG(ERR, EAL, "Invalid char, '%%', in --"OPT_FILE_PREFIX" "
1279                         "option\n");
1280                 return -1;
1281         }
1282         if (mem_parsed && internal_cfg->force_sockets == 1) {
1283                 RTE_LOG(ERR, EAL, "Options -m and --"OPT_SOCKET_MEM" cannot "
1284                         "be specified at the same time\n");
1285                 return -1;
1286         }
1287         if (internal_cfg->no_hugetlbfs && internal_cfg->force_sockets == 1) {
1288                 RTE_LOG(ERR, EAL, "Option --"OPT_SOCKET_MEM" cannot "
1289                         "be specified together with --"OPT_NO_HUGE"\n");
1290                 return -1;
1291         }
1292
1293         if (internal_cfg->no_hugetlbfs && internal_cfg->hugepage_unlink) {
1294                 RTE_LOG(ERR, EAL, "Option --"OPT_HUGE_UNLINK" cannot "
1295                         "be specified together with --"OPT_NO_HUGE"\n");
1296                 return -1;
1297         }
1298
1299         return 0;
1300 }
1301
1302 void
1303 eal_common_usage(void)
1304 {
1305         printf("[options]\n\n"
1306                "EAL common options:\n"
1307                "  -c COREMASK         Hexadecimal bitmask of cores to run on\n"
1308                "  -l CORELIST         List of cores to run on\n"
1309                "                      The argument format is <c1>[-c2][,c3[-c4],...]\n"
1310                "                      where c1, c2, etc are core indexes between 0 and %d\n"
1311                "  --"OPT_LCORES" COREMAP    Map lcore set to physical cpu set\n"
1312                "                      The argument format is\n"
1313                "                            '<lcores[@cpus]>[<,lcores[@cpus]>...]'\n"
1314                "                      lcores and cpus list are grouped by '(' and ')'\n"
1315                "                      Within the group, '-' is used for range separator,\n"
1316                "                      ',' is used for single number separator.\n"
1317                "                      '( )' can be omitted for single element group,\n"
1318                "                      '@' can be omitted if cpus and lcores have the same value\n"
1319                "  -s SERVICE COREMASK Hexadecimal bitmask of cores to be used as service cores\n"
1320                "  --"OPT_MASTER_LCORE" ID   Core ID that is used as master\n"
1321                "  --"OPT_MBUF_POOL_OPS_NAME" Pool ops name for mbuf to use\n"
1322                "  -n CHANNELS         Number of memory channels\n"
1323                "  -m MB               Memory to allocate (see also --"OPT_SOCKET_MEM")\n"
1324                "  -r RANKS            Force number of memory ranks (don't detect)\n"
1325                "  -b, --"OPT_PCI_BLACKLIST" Add a PCI device in black list.\n"
1326                "                      Prevent EAL from using this PCI device. The argument\n"
1327                "                      format is <domain:bus:devid.func>.\n"
1328                "  -w, --"OPT_PCI_WHITELIST" Add a PCI device in white list.\n"
1329                "                      Only use the specified PCI devices. The argument format\n"
1330                "                      is <[domain:]bus:devid.func>. This option can be present\n"
1331                "                      several times (once per device).\n"
1332                "                      [NOTE: PCI whitelist cannot be used with -b option]\n"
1333                "  --"OPT_VDEV"              Add a virtual device.\n"
1334                "                      The argument format is <driver><id>[,key=val,...]\n"
1335                "                      (ex: --vdev=net_pcap0,iface=eth2).\n"
1336                "  -d LIB.so|DIR       Add a driver or driver directory\n"
1337                "                      (can be used multiple times)\n"
1338                "  --"OPT_VMWARE_TSC_MAP"    Use VMware TSC map instead of native RDTSC\n"
1339                "  --"OPT_PROC_TYPE"         Type of this process (primary|secondary|auto)\n"
1340                "  --"OPT_SYSLOG"            Set syslog facility\n"
1341                "  --"OPT_LOG_LEVEL"=<int>   Set global log level\n"
1342                "  --"OPT_LOG_LEVEL"=<type-regexp>,<int>\n"
1343                "                      Set specific log level\n"
1344                "  -v                  Display version information on startup\n"
1345                "  -h, --help          This help\n"
1346                "\nEAL options for DEBUG use only:\n"
1347                "  --"OPT_HUGE_UNLINK"       Unlink hugepage files after init\n"
1348                "  --"OPT_NO_HUGE"           Use malloc instead of hugetlbfs\n"
1349                "  --"OPT_NO_PCI"            Disable PCI\n"
1350                "  --"OPT_NO_HPET"           Disable HPET\n"
1351                "  --"OPT_NO_SHCONF"         No shared config (mmap'd files)\n"
1352                "\n", RTE_MAX_LCORE);
1353 }