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44 #include <rte_lcore.h>
45 #include <rte_version.h>
46 #include <rte_devargs.h>
48 #include "eal_internal_cfg.h"
49 #include "eal_options.h"
50 #include "eal_filesystem.h"
52 #define BITS_PER_HEX 4
56 "b:" /* pci-blacklist */
57 "w:" /* pci-whitelist */
66 eal_long_options[] = {
67 {OPT_HUGE_DIR, 1, 0, OPT_HUGE_DIR_NUM},
68 {OPT_PROC_TYPE, 1, 0, OPT_PROC_TYPE_NUM},
69 {OPT_NO_SHCONF, 0, 0, OPT_NO_SHCONF_NUM},
70 {OPT_NO_HPET, 0, 0, OPT_NO_HPET_NUM},
71 {OPT_VMWARE_TSC_MAP, 0, 0, OPT_VMWARE_TSC_MAP_NUM},
72 {OPT_NO_PCI, 0, 0, OPT_NO_PCI_NUM},
73 {OPT_NO_HUGE, 0, 0, OPT_NO_HUGE_NUM},
74 {OPT_FILE_PREFIX, 1, 0, OPT_FILE_PREFIX_NUM},
75 {OPT_SOCKET_MEM, 1, 0, OPT_SOCKET_MEM_NUM},
76 {OPT_PCI_WHITELIST, 1, 0, OPT_PCI_WHITELIST_NUM},
77 {OPT_PCI_BLACKLIST, 1, 0, OPT_PCI_BLACKLIST_NUM},
78 {OPT_VDEV, 1, 0, OPT_VDEV_NUM},
79 {OPT_SYSLOG, 1, NULL, OPT_SYSLOG_NUM},
80 {OPT_LOG_LEVEL, 1, NULL, OPT_LOG_LEVEL_NUM},
81 {OPT_BASE_VIRTADDR, 1, 0, OPT_BASE_VIRTADDR_NUM},
82 {OPT_XEN_DOM0, 0, 0, OPT_XEN_DOM0_NUM},
83 {OPT_CREATE_UIO_DEV, 1, NULL, OPT_CREATE_UIO_DEV_NUM},
84 {OPT_VFIO_INTR, 1, NULL, OPT_VFIO_INTR_NUM},
88 static int lcores_parsed;
89 static int mem_parsed;
92 eal_reset_internal_config(struct internal_config *internal_cfg)
96 internal_cfg->memory = 0;
97 internal_cfg->force_nrank = 0;
98 internal_cfg->force_nchannel = 0;
99 internal_cfg->hugefile_prefix = HUGEFILE_PREFIX_DEFAULT;
100 internal_cfg->hugepage_dir = NULL;
101 internal_cfg->force_sockets = 0;
102 /* zero out the NUMA config */
103 for (i = 0; i < RTE_MAX_NUMA_NODES; i++)
104 internal_cfg->socket_mem[i] = 0;
105 /* zero out hugedir descriptors */
106 for (i = 0; i < MAX_HUGEPAGE_SIZES; i++)
107 internal_cfg->hugepage_info[i].lock_descriptor = -1;
108 internal_cfg->base_virtaddr = 0;
110 internal_cfg->syslog_facility = LOG_DAEMON;
111 /* default value from build option */
112 internal_cfg->log_level = RTE_LOG_LEVEL;
114 internal_cfg->xen_dom0_support = 0;
116 /* if set to NONE, interrupt mode is determined automatically */
117 internal_cfg->vfio_intr_mode = RTE_INTR_MODE_NONE;
119 #ifdef RTE_LIBEAL_USE_HPET
120 internal_cfg->no_hpet = 0;
122 internal_cfg->no_hpet = 1;
124 internal_cfg->vmware_tsc_map = 0;
128 * Parse the coremask given as argument (hexadecimal string) and fill
129 * the global configuration (core role and core count) with the parsed
132 static int xdigit2val(unsigned char c)
146 eal_parse_coremask(const char *coremask)
148 struct rte_config *cfg = rte_eal_get_configuration();
154 if (coremask == NULL)
156 /* Remove all blank characters ahead and after .
157 * Remove 0x/0X if exists.
159 while (isblank(*coremask))
161 if (coremask[0] == '0' && ((coremask[1] == 'x')
162 || (coremask[1] == 'X')))
164 i = strnlen(coremask, PATH_MAX);
165 while ((i > 0) && isblank(coremask[i - 1]))
170 for (i = i - 1; i >= 0 && idx < RTE_MAX_LCORE; i--) {
172 if (isxdigit(c) == 0) {
173 /* invalid characters */
177 for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++)
179 if ((1 << j) & val) {
180 if (!lcore_config[idx].detected) {
181 RTE_LOG(ERR, EAL, "lcore %u "
182 "unavailable\n", idx);
185 cfg->lcore_role[idx] = ROLE_RTE;
187 cfg->master_lcore = idx;
190 cfg->lcore_role[idx] = ROLE_OFF;
195 if (coremask[i] != '0')
197 for (; idx < RTE_MAX_LCORE; idx++)
198 cfg->lcore_role[idx] = ROLE_OFF;
201 /* Update the count of enabled logical cores of the EAL configuration */
202 cfg->lcore_count = count;
208 eal_parse_syslog(const char *facility, struct internal_config *conf)
215 { "auth", LOG_AUTH },
216 { "cron", LOG_CRON },
217 { "daemon", LOG_DAEMON },
219 { "kern", LOG_KERN },
221 { "mail", LOG_MAIL },
222 { "news", LOG_NEWS },
223 { "syslog", LOG_SYSLOG },
224 { "user", LOG_USER },
225 { "uucp", LOG_UUCP },
226 { "local0", LOG_LOCAL0 },
227 { "local1", LOG_LOCAL1 },
228 { "local2", LOG_LOCAL2 },
229 { "local3", LOG_LOCAL3 },
230 { "local4", LOG_LOCAL4 },
231 { "local5", LOG_LOCAL5 },
232 { "local6", LOG_LOCAL6 },
233 { "local7", LOG_LOCAL7 },
237 for (i = 0; map[i].name; i++) {
238 if (!strcmp(facility, map[i].name)) {
239 conf->syslog_facility = map[i].value;
247 eal_parse_log_level(const char *level, uint32_t *log_level)
253 tmp = strtoul(level, &end, 0);
255 /* check for errors */
256 if ((errno != 0) || (level[0] == '\0') ||
257 end == NULL || (*end != '\0'))
260 /* log_level is a uint32_t */
261 if (tmp >= UINT32_MAX)
268 static enum rte_proc_type_t
269 eal_parse_proc_type(const char *arg)
271 if (strncasecmp(arg, "primary", sizeof("primary")) == 0)
272 return RTE_PROC_PRIMARY;
273 if (strncasecmp(arg, "secondary", sizeof("secondary")) == 0)
274 return RTE_PROC_SECONDARY;
275 if (strncasecmp(arg, "auto", sizeof("auto")) == 0)
276 return RTE_PROC_AUTO;
278 return RTE_PROC_INVALID;
282 eal_parse_common_option(int opt, const char *optarg,
283 struct internal_config *conf)
288 if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI,
295 if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI,
302 if (eal_parse_coremask(optarg) < 0) {
303 RTE_LOG(ERR, EAL, "invalid coremask\n");
309 conf->memory = atoi(optarg);
310 conf->memory *= 1024ULL;
311 conf->memory *= 1024ULL;
314 /* force number of channels */
316 conf->force_nchannel = atoi(optarg);
317 if (conf->force_nchannel == 0 ||
318 conf->force_nchannel > 4) {
319 RTE_LOG(ERR, EAL, "invalid channel number\n");
323 /* force number of ranks */
325 conf->force_nrank = atoi(optarg);
326 if (conf->force_nrank == 0 ||
327 conf->force_nrank > 16) {
328 RTE_LOG(ERR, EAL, "invalid rank number\n");
333 /* since message is explicitly requested by user, we
334 * write message at highest log level so it can always
336 * even if info or warning messages are disabled */
337 RTE_LOG(CRIT, EAL, "RTE Version: '%s'\n", rte_version());
341 case OPT_NO_HUGE_NUM:
342 conf->no_hugetlbfs = 1;
349 case OPT_NO_HPET_NUM:
353 case OPT_VMWARE_TSC_MAP_NUM:
354 conf->vmware_tsc_map = 1;
357 case OPT_NO_SHCONF_NUM:
361 case OPT_PROC_TYPE_NUM:
362 conf->process_type = eal_parse_proc_type(optarg);
366 if (rte_eal_devargs_add(RTE_DEVTYPE_VIRTUAL,
373 if (eal_parse_syslog(optarg, conf) < 0) {
374 RTE_LOG(ERR, EAL, "invalid parameters for --"
380 case OPT_LOG_LEVEL_NUM: {
383 if (eal_parse_log_level(optarg, &log) < 0) {
385 "invalid parameters for --"
389 conf->log_level = log;
393 /* don't know what to do, leave this to caller */
403 eal_check_common_options(struct internal_config *internal_cfg)
405 struct rte_config *cfg = rte_eal_get_configuration();
407 if (!lcores_parsed) {
408 RTE_LOG(ERR, EAL, "CPU cores must be enabled with option "
413 if (internal_cfg->process_type == RTE_PROC_INVALID) {
414 RTE_LOG(ERR, EAL, "Invalid process type specified\n");
417 if (internal_cfg->process_type == RTE_PROC_PRIMARY &&
418 internal_cfg->force_nchannel == 0) {
419 RTE_LOG(ERR, EAL, "Number of memory channels (-n) not "
423 if (index(internal_cfg->hugefile_prefix, '%') != NULL) {
424 RTE_LOG(ERR, EAL, "Invalid char, '%%', in --"OPT_FILE_PREFIX" "
428 if (mem_parsed && internal_cfg->force_sockets == 1) {
429 RTE_LOG(ERR, EAL, "Options -m and --"OPT_SOCKET_MEM" cannot "
430 "be specified at the same time\n");
433 if (internal_cfg->no_hugetlbfs &&
434 (mem_parsed || internal_cfg->force_sockets == 1)) {
435 RTE_LOG(ERR, EAL, "Options -m or --"OPT_SOCKET_MEM" cannot "
436 "be specified together with --"OPT_NO_HUGE"\n");
440 if (rte_eal_devargs_type_count(RTE_DEVTYPE_WHITELISTED_PCI) != 0 &&
441 rte_eal_devargs_type_count(RTE_DEVTYPE_BLACKLISTED_PCI) != 0) {
442 RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) "
443 "cannot be used at the same time\n");
451 eal_common_usage(void)
453 printf("-c COREMASK -n NUM [-m NB] [-r NUM] [-b <domain:bus:devid.func>]"
454 "[--proc-type primary|secondary|auto]\n\n"
455 "EAL common options:\n"
456 " -c COREMASK : A hexadecimal bitmask of cores to run on\n"
457 " -n NUM : Number of memory channels\n"
458 " -v : Display version information on startup\n"
459 " -m MB : memory to allocate (see also --"OPT_SOCKET_MEM")\n"
460 " -r NUM : force number of memory ranks (don't detect)\n"
461 " --"OPT_SYSLOG" : set syslog facility\n"
462 " --"OPT_LOG_LEVEL" : set default log level\n"
463 " --"OPT_PROC_TYPE" : type of this process\n"
464 " --"OPT_PCI_BLACKLIST", -b: add a PCI device in black list.\n"
465 " Prevent EAL from using this PCI device. The argument\n"
466 " format is <domain:bus:devid.func>.\n"
467 " --"OPT_PCI_WHITELIST", -w: add a PCI device in white list.\n"
468 " Only use the specified PCI devices. The argument format\n"
469 " is <[domain:]bus:devid.func>. This option can be present\n"
470 " several times (once per device).\n"
471 " [NOTE: PCI whitelist cannot be used with -b option]\n"
472 " --"OPT_VDEV": add a virtual device.\n"
473 " The argument format is <driver><id>[,key=val,...]\n"
474 " (ex: --vdev=eth_pcap0,iface=eth2).\n"
475 " --"OPT_VMWARE_TSC_MAP": use VMware TSC map instead of native RDTSC\n"
476 "\nEAL options for DEBUG use only:\n"
477 " --"OPT_NO_HUGE" : use malloc instead of hugetlbfs\n"
478 " --"OPT_NO_PCI" : disable pci\n"
479 " --"OPT_NO_HPET" : disable hpet\n"
480 " --"OPT_NO_SHCONF": no shared config (mmap'd files)\n"