#ifndef RTE_EXEC_ENV_WINDOWS
#include <rte_telemetry.h>
#endif
+#include <rte_vect.h>
#include "eal_internal_cfg.h"
#include "eal_options.h"
const char
eal_short_options[] =
- "b:" /* pci-blacklist */
+ "a:" /* allow */
+ "b:" /* block */
"c:" /* coremask */
"s:" /* service coremask */
"d:" /* driver */
"n:" /* memory channels */
"r:" /* memory ranks */
"v" /* version */
- "w:" /* pci-whitelist */
+ "w:" /* pci-whitelist (deprecated) */
;
const struct option
{OPT_TRACE_BUF_SIZE, 1, NULL, OPT_TRACE_BUF_SIZE_NUM },
{OPT_TRACE_MODE, 1, NULL, OPT_TRACE_MODE_NUM },
{OPT_MASTER_LCORE, 1, NULL, OPT_MASTER_LCORE_NUM },
+ {OPT_MAIN_LCORE, 1, NULL, OPT_MAIN_LCORE_NUM },
{OPT_MBUF_POOL_OPS_NAME, 1, NULL, OPT_MBUF_POOL_OPS_NAME_NUM},
{OPT_NO_HPET, 0, NULL, OPT_NO_HPET_NUM },
{OPT_NO_HUGE, 0, NULL, OPT_NO_HUGE_NUM },
{OPT_NO_PCI, 0, NULL, OPT_NO_PCI_NUM },
{OPT_NO_SHCONF, 0, NULL, OPT_NO_SHCONF_NUM },
{OPT_IN_MEMORY, 0, NULL, OPT_IN_MEMORY_NUM },
- {OPT_PCI_BLACKLIST, 1, NULL, OPT_PCI_BLACKLIST_NUM },
- {OPT_PCI_WHITELIST, 1, NULL, OPT_PCI_WHITELIST_NUM },
+ {OPT_DEV_BLOCK, 1, NULL, OPT_DEV_BLOCK_NUM },
+ {OPT_DEV_ALLOW, 1, NULL, OPT_DEV_ALLOW_NUM },
{OPT_PROC_TYPE, 1, NULL, OPT_PROC_TYPE_NUM },
{OPT_SOCKET_MEM, 1, NULL, OPT_SOCKET_MEM_NUM },
{OPT_SOCKET_LIMIT, 1, NULL, OPT_SOCKET_LIMIT_NUM },
{OPT_MATCH_ALLOCATIONS, 0, NULL, OPT_MATCH_ALLOCATIONS_NUM},
{OPT_TELEMETRY, 0, NULL, OPT_TELEMETRY_NUM },
{OPT_NO_TELEMETRY, 0, NULL, OPT_NO_TELEMETRY_NUM },
+ {OPT_FORCE_MAX_SIMD_BITWIDTH, 1, NULL, OPT_FORCE_MAX_SIMD_BITWIDTH_NUM},
+
+ /* legacy options that will be removed in future */
+ {OPT_PCI_BLACKLIST, 1, NULL, OPT_PCI_BLACKLIST_NUM },
+ {OPT_PCI_WHITELIST, 1, NULL, OPT_PCI_WHITELIST_NUM },
+
{0, 0, NULL, 0 }
};
static struct device_option_list devopt_list =
TAILQ_HEAD_INITIALIZER(devopt_list);
-static int master_lcore_parsed;
+static int main_lcore_parsed;
static int mem_parsed;
static int core_parsed;
internal_cfg->user_mbuf_pool_ops_name = NULL;
CPU_ZERO(&internal_cfg->ctrl_cpuset);
internal_cfg->init_complete = 0;
+ internal_cfg->max_simd_bitwidth.bitwidth = RTE_VECT_DEFAULT_SIMD_BITWIDTH;
+ internal_cfg->max_simd_bitwidth.forced = 0;
}
static int
struct stat sb;
int nlen = strnlen(dent->d_name, sizeof(dent->d_name));
- /* check if name ends in .so */
- if (strcmp(&dent->d_name[nlen - 3], ".so") != 0)
+ /* check if name ends in .so or .so.ABI_VERSION */
+ if (strcmp(&dent->d_name[nlen - 3], ".so") != 0 &&
+ strcmp(&dent->d_name[nlen - 4 - strlen(ABI_VERSION)],
+ ".so."ABI_VERSION) != 0)
continue;
snprintf(sopath, sizeof(sopath), "%s/%s", path, dent->d_name);
return retval;
}
+static int
+is_shared_build(void)
+{
+#define EAL_SO "librte_eal.so"
+ char soname[32];
+ size_t len, minlen = strlen(EAL_SO);
+
+ len = strlcpy(soname, EAL_SO"."ABI_VERSION, sizeof(soname));
+ if (len > sizeof(soname)) {
+ RTE_LOG(ERR, EAL, "Shared lib name too long in shared build check\n");
+ len = sizeof(soname) - 1;
+ }
+
+ while (len >= minlen) {
+ /* check if we have this .so loaded, if so - shared build */
+ RTE_LOG(DEBUG, EAL, "Checking presence of .so '%s'\n", soname);
+ if (dlopen(soname, RTLD_LAZY | RTLD_NOLOAD) != NULL) {
+ RTE_LOG(INFO, EAL, "Detected shared linkage of DPDK\n");
+ return 1;
+ }
+
+ /* remove any version numbers off the end to retry */
+ while (len-- > 0)
+ if (soname[len] == '.') {
+ soname[len] = '\0';
+ break;
+ }
+ }
+
+ RTE_LOG(INFO, EAL, "Detected static linkage of DPDK\n");
+ return 0;
+}
+
int
eal_plugins_init(void)
{
* (Using dlopen with NOLOAD flag on EAL, will return NULL if the EAL
* shared library is not already loaded i.e. it's statically linked.)
*/
- if (dlopen("librte_eal.so", RTLD_LAZY | RTLD_NOLOAD) != NULL &&
+ if (is_shared_build() &&
*default_solib_dir != '\0' &&
stat(default_solib_dir, &sb) == 0 &&
S_ISDIR(sb.st_mode))
for (j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE;
j++, idx++) {
if ((1 << j) & val) {
- /* handle master lcore already parsed */
+ /* handle main lcore already parsed */
uint32_t lcore = idx;
- if (master_lcore_parsed &&
- cfg->master_lcore == lcore) {
+ if (main_lcore_parsed &&
+ cfg->main_lcore == lcore) {
RTE_LOG(ERR, EAL,
- "lcore %u is master lcore, cannot use as service core\n",
+ "lcore %u is main lcore, cannot use as service core\n",
idx);
return -1;
}
min = idx;
for (idx = min; idx <= max; idx++) {
if (cfg->lcore_role[idx] != ROLE_SERVICE) {
- /* handle master lcore already parsed */
+ /* handle main lcore already parsed */
uint32_t lcore = idx;
- if (cfg->master_lcore == lcore &&
- master_lcore_parsed) {
+ if (cfg->main_lcore == lcore &&
+ main_lcore_parsed) {
RTE_LOG(ERR, EAL,
- "Error: lcore %u is master lcore, cannot use as service core\n",
+ "Error: lcore %u is main lcore, cannot use as service core\n",
idx);
return -1;
}
return 0;
}
-/* Changes the lcore id of the master thread */
+/* Changes the lcore id of the main thread */
static int
-eal_parse_master_lcore(const char *arg)
+eal_parse_main_lcore(const char *arg)
{
char *parsing_end;
struct rte_config *cfg = rte_eal_get_configuration();
errno = 0;
- cfg->master_lcore = (uint32_t) strtol(arg, &parsing_end, 0);
+ cfg->main_lcore = (uint32_t) strtol(arg, &parsing_end, 0);
if (errno || parsing_end[0] != 0)
return -1;
- if (cfg->master_lcore >= RTE_MAX_LCORE)
+ if (cfg->main_lcore >= RTE_MAX_LCORE)
return -1;
- master_lcore_parsed = 1;
+ main_lcore_parsed = 1;
- /* ensure master core is not used as service core */
- if (lcore_config[cfg->master_lcore].core_role == ROLE_SERVICE) {
+ /* ensure main core is not used as service core */
+ if (lcore_config[cfg->main_lcore].core_role == ROLE_SERVICE) {
RTE_LOG(ERR, EAL,
- "Error: Master lcore is used as a service core\n");
+ "Error: Main lcore is used as a service core\n");
return -1;
}
return 0;
}
+static int
+eal_parse_simd_bitwidth(const char *arg)
+{
+ char *end;
+ unsigned long bitwidth;
+ int ret;
+ struct internal_config *internal_conf =
+ eal_get_internal_configuration();
+
+ if (arg == NULL || arg[0] == '\0')
+ return -1;
+
+ errno = 0;
+ bitwidth = strtoul(arg, &end, 0);
+
+ /* check for errors */
+ if (errno != 0 || end == NULL || *end != '\0' || bitwidth > RTE_VECT_SIMD_MAX)
+ return -1;
+
+ if (bitwidth == 0)
+ bitwidth = (unsigned long) RTE_VECT_SIMD_MAX;
+ ret = rte_vect_set_max_simd_bitwidth(bitwidth);
+ if (ret < 0)
+ return -1;
+ internal_conf->max_simd_bitwidth.forced = 1;
+ return 0;
+}
+
static int
eal_parse_base_virtaddr(const char *arg)
{
struct internal_config *conf)
{
static int b_used;
- static int w_used;
+ static int a_used;
switch (opt) {
- /* blacklist */
+ case OPT_PCI_BLACKLIST_NUM:
+ fprintf(stderr,
+ "Option --pci-blacklist is deprecated, use -b, --block instead\n");
+ /* fallthrough */
case 'b':
- if (w_used)
- goto bw_used;
- if (eal_option_device_add(RTE_DEVTYPE_BLACKLISTED_PCI,
- optarg) < 0) {
+ if (a_used)
+ goto ba_conflict;
+ if (eal_option_device_add(RTE_DEVTYPE_BLOCKED, optarg) < 0)
return -1;
- }
b_used = 1;
break;
- /* whitelist */
+
case 'w':
+ fprintf(stderr,
+ "Option -w, --pci-whitelist is deprecated, use -a, --allow option instead\n");
+ /* fallthrough */
+ case 'a':
if (b_used)
- goto bw_used;
- if (eal_option_device_add(RTE_DEVTYPE_WHITELISTED_PCI,
- optarg) < 0) {
+ goto ba_conflict;
+ if (eal_option_device_add(RTE_DEVTYPE_ALLOWED, optarg) < 0)
return -1;
- }
- w_used = 1;
+ a_used = 1;
break;
/* coremask */
case 'c': {
break;
case OPT_MASTER_LCORE_NUM:
- if (eal_parse_master_lcore(optarg) < 0) {
+ fprintf(stderr,
+ "Option --" OPT_MASTER_LCORE
+ " is deprecated use " OPT_MAIN_LCORE "\n");
+ /* fallthrough */
+ case OPT_MAIN_LCORE_NUM:
+ if (eal_parse_main_lcore(optarg) < 0) {
RTE_LOG(ERR, EAL, "invalid parameter for --"
- OPT_MASTER_LCORE "\n");
+ OPT_MAIN_LCORE "\n");
return -1;
}
break;
case OPT_NO_TELEMETRY_NUM:
conf->no_telemetry = 1;
break;
+ case OPT_FORCE_MAX_SIMD_BITWIDTH_NUM:
+ if (eal_parse_simd_bitwidth(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid parameter for --"
+ OPT_FORCE_MAX_SIMD_BITWIDTH "\n");
+ return -1;
+ }
+ break;
/* don't know what to do, leave this to caller */
default:
}
return 0;
-bw_used:
- RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) "
- "cannot be used at the same time\n");
+
+ba_conflict:
+ RTE_LOG(ERR, EAL,
+ "Options allow (-a) and block (-b) can't be used at the same time\n");
return -1;
}
RTE_CPU_AND(cpuset, cpuset, &default_set);
- /* if no remaining cpu, use master lcore cpu affinity */
+ /* if no remaining cpu, use main lcore cpu affinity */
if (!CPU_COUNT(cpuset)) {
- memcpy(cpuset, &lcore_config[rte_get_master_lcore()].cpuset,
+ memcpy(cpuset, &lcore_config[rte_get_main_lcore()].cpuset,
sizeof(*cpuset));
}
}
if (internal_conf->process_type == RTE_PROC_AUTO)
internal_conf->process_type = eal_proc_type_detect();
- /* default master lcore is the first one */
- if (!master_lcore_parsed) {
- cfg->master_lcore = rte_get_next_lcore(-1, 0, 0);
- if (cfg->master_lcore >= RTE_MAX_LCORE)
+ /* default main lcore is the first one */
+ if (!main_lcore_parsed) {
+ cfg->main_lcore = rte_get_next_lcore(-1, 0, 0);
+ if (cfg->main_lcore >= RTE_MAX_LCORE)
return -1;
- lcore_config[cfg->master_lcore].core_role = ROLE_RTE;
+ lcore_config[cfg->main_lcore].core_role = ROLE_RTE;
}
compute_ctrl_threads_cpuset(internal_cfg);
const struct internal_config *internal_conf =
eal_get_internal_configuration();
- if (cfg->lcore_role[cfg->master_lcore] != ROLE_RTE) {
- RTE_LOG(ERR, EAL, "Master lcore is not enabled for DPDK\n");
+ if (cfg->lcore_role[cfg->main_lcore] != ROLE_RTE) {
+ RTE_LOG(ERR, EAL, "Main lcore is not enabled for DPDK\n");
return -1;
}
return 0;
}
+uint16_t
+rte_vect_get_max_simd_bitwidth(void)
+{
+ const struct internal_config *internal_conf =
+ eal_get_internal_configuration();
+ return internal_conf->max_simd_bitwidth.bitwidth;
+}
+
+int
+rte_vect_set_max_simd_bitwidth(uint16_t bitwidth)
+{
+ struct internal_config *internal_conf =
+ eal_get_internal_configuration();
+ if (internal_conf->max_simd_bitwidth.forced) {
+ RTE_LOG(NOTICE, EAL, "Cannot set max SIMD bitwidth - user runtime override enabled");
+ return -EPERM;
+ }
+
+ if (bitwidth < RTE_VECT_SIMD_DISABLED || !rte_is_power_of_2(bitwidth)) {
+ RTE_LOG(ERR, EAL, "Invalid bitwidth value!\n");
+ return -EINVAL;
+ }
+ internal_conf->max_simd_bitwidth.bitwidth = bitwidth;
+ return 0;
+}
+
void
eal_common_usage(void)
{
" '( )' can be omitted for single element group,\n"
" '@' can be omitted if cpus and lcores have the same value\n"
" -s SERVICE COREMASK Hexadecimal bitmask of cores to be used as service cores\n"
- " --"OPT_MASTER_LCORE" ID Core ID that is used as master\n"
+ " --"OPT_MAIN_LCORE" ID Core ID that is used as main\n"
" --"OPT_MBUF_POOL_OPS_NAME" Pool ops name for mbuf to use\n"
" -n CHANNELS Number of memory channels\n"
" -m MB Memory to allocate (see also --"OPT_SOCKET_MEM")\n"
" -r RANKS Force number of memory ranks (don't detect)\n"
- " -b, --"OPT_PCI_BLACKLIST" Add a PCI device in black list.\n"
- " Prevent EAL from using this PCI device. The argument\n"
- " format is <domain:bus:devid.func>.\n"
- " -w, --"OPT_PCI_WHITELIST" Add a PCI device in white list.\n"
- " Only use the specified PCI devices. The argument format\n"
- " is <[domain:]bus:devid.func>. This option can be present\n"
- " several times (once per device).\n"
- " [NOTE: PCI whitelist cannot be used with -b option]\n"
+ " -b, --block Add a device to the blocked list.\n"
+ " Prevent EAL from using this device. The argument\n"
+ " format for PCI devices is <domain:bus:devid.func>.\n"
+ " -a, --allow Add a device to the allow list.\n"
+ " Only use the specified devices. The argument format\n"
+ " for PCI devices is <[domain:]bus:devid.func>.\n"
+ " This option can be present several times.\n"
+ " [NOTE: " OPT_DEV_ALLOW " cannot be used with "OPT_DEV_BLOCK" option]\n"
" --"OPT_VDEV" Add a virtual device.\n"
" The argument format is <driver><id>[,key=val,...]\n"
" (ex: --vdev=net_pcap0,iface=eth2).\n"
" --"OPT_BASE_VIRTADDR" Base virtual address\n"
" --"OPT_TELEMETRY" Enable telemetry support (on by default)\n"
" --"OPT_NO_TELEMETRY" Disable telemetry support\n"
+ " --"OPT_FORCE_MAX_SIMD_BITWIDTH" Force the max SIMD bitwidth\n"
"\nEAL options for DEBUG use only:\n"
" --"OPT_HUGE_UNLINK" Unlink hugepage files after init\n"
" --"OPT_NO_HUGE" Use malloc instead of hugetlbfs\n"