const char
eal_short_options[] =
"b:" /* pci-blacklist */
- "w:" /* pci-whitelist */
"c:" /* coremask */
- "d:"
+ "d:" /* driver */
"l:" /* corelist */
- "m:"
- "n:"
- "r:"
- "v";
+ "m:" /* memory size */
+ "n:" /* memory channels */
+ "r:" /* memory ranks */
+ "v" /* version */
+ "w:" /* pci-whitelist */
+ ;
const struct option
eal_long_options[] = {
- {OPT_HUGE_DIR, 1, 0, OPT_HUGE_DIR_NUM},
- {OPT_PROC_TYPE, 1, 0, OPT_PROC_TYPE_NUM},
- {OPT_NO_SHCONF, 0, 0, OPT_NO_SHCONF_NUM},
- {OPT_NO_HPET, 0, 0, OPT_NO_HPET_NUM},
- {OPT_VMWARE_TSC_MAP, 0, 0, OPT_VMWARE_TSC_MAP_NUM},
- {OPT_NO_PCI, 0, 0, OPT_NO_PCI_NUM},
- {OPT_NO_HUGE, 0, 0, OPT_NO_HUGE_NUM},
- {OPT_FILE_PREFIX, 1, 0, OPT_FILE_PREFIX_NUM},
- {OPT_SOCKET_MEM, 1, 0, OPT_SOCKET_MEM_NUM},
- {OPT_PCI_WHITELIST, 1, 0, OPT_PCI_WHITELIST_NUM},
- {OPT_PCI_BLACKLIST, 1, 0, OPT_PCI_BLACKLIST_NUM},
- {OPT_VDEV, 1, 0, OPT_VDEV_NUM},
- {OPT_SYSLOG, 1, NULL, OPT_SYSLOG_NUM},
- {OPT_LOG_LEVEL, 1, NULL, OPT_LOG_LEVEL_NUM},
- {OPT_BASE_VIRTADDR, 1, 0, OPT_BASE_VIRTADDR_NUM},
- {OPT_XEN_DOM0, 0, 0, OPT_XEN_DOM0_NUM},
- {OPT_CREATE_UIO_DEV, 1, NULL, OPT_CREATE_UIO_DEV_NUM},
- {OPT_VFIO_INTR, 1, NULL, OPT_VFIO_INTR_NUM},
- {0, 0, 0, 0}
+ {OPT_BASE_VIRTADDR, 1, NULL, OPT_BASE_VIRTADDR_NUM },
+ {OPT_CREATE_UIO_DEV, 1, NULL, OPT_CREATE_UIO_DEV_NUM },
+ {OPT_FILE_PREFIX, 1, NULL, OPT_FILE_PREFIX_NUM },
+ {OPT_HUGE_DIR, 1, NULL, OPT_HUGE_DIR_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 }
};
static int lcores_parsed;
+static int master_lcore_parsed;
static int mem_parsed;
void
}
cfg->lcore_role[idx] = ROLE_RTE;
lcore_config[idx].core_index = count;
- if (count == 0)
- cfg->master_lcore = idx;
count++;
} else {
cfg->lcore_role[idx] = ROLE_OFF;
for (idx = min; idx <= max; idx++) {
cfg->lcore_role[idx] = ROLE_RTE;
lcore_config[idx].core_index = count;
- if (count == 0)
- cfg->master_lcore = idx;
count++;
}
min = RTE_MAX_LCORE;
if (count == 0)
return -1;
+ /* Update the count of enabled logical cores of the EAL configuration */
+ cfg->lcore_count = count;
+
lcores_parsed = 1;
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;
+}
+
static int
eal_parse_syslog(const char *facility, struct internal_config *conf)
{
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) {
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++)
"-c or -l\n");
return -1;
}
+ 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");
void
eal_common_usage(void)
{
- printf("-c COREMASK -n NUM [-m NB] [-r NUM] [-b <domain:bus:devid.func>]"
- "[--proc-type primary|secondary|auto]\n\n"
+ printf("-c COREMASK|-l CORELIST -n CHANNELS [options]\n\n"
"EAL common options:\n"
- " -c COREMASK : A 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"
- " -n NUM : Number of memory channels\n"
- " -v : Display version information on startup\n"
- " -m MB : memory to allocate (see also --"OPT_SOCKET_MEM")\n"
- " -r NUM : force number of memory ranks (don't detect)\n"
- " --"OPT_SYSLOG" : set syslog facility\n"
- " --"OPT_LOG_LEVEL" : set default log level\n"
- " --"OPT_PROC_TYPE" : type of this process\n"
- " --"OPT_PCI_BLACKLIST", -b: 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"
- " --"OPT_PCI_WHITELIST", -w: 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"
- " --"OPT_VMWARE_TSC_MAP": use VMware TSC map instead of native RDTSC\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_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"
+ " --"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"
"\nEAL options for DEBUG use only:\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"
+ " --"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);
}