#include <rte_eal.h>
#include <rte_log.h>
#include <rte_lcore.h>
+#include <rte_tailq.h>
#include <rte_version.h>
#include <rte_devargs.h>
#include <rte_memcpy.h>
eal_short_options[] =
"b:" /* pci-blacklist */
"c:" /* coremask */
+ "s:" /* service coremask */
"d:" /* driver */
"h" /* help */
"l:" /* corelist */
+ "S:" /* service corelist */
"m:" /* memory size */
"n:" /* memory channels */
"r:" /* memory ranks */
static const char dpdk_solib_path[] __attribute__((used)) =
"DPDK_PLUGIN_PATH=" RTE_EAL_PMD_PATH;
+TAILQ_HEAD(device_option_list, device_option);
+
+struct device_option {
+ TAILQ_ENTRY(device_option) next;
+
+ enum rte_devtype type;
+ char arg[];
+};
+
+static struct device_option_list devopt_list =
+TAILQ_HEAD_INITIALIZER(devopt_list);
static int master_lcore_parsed;
static int mem_parsed;
static int core_parsed;
+static int
+eal_option_device_add(enum rte_devtype type, const char *optarg)
+{
+ struct device_option *devopt;
+ size_t optlen;
+ int ret;
+
+ optlen = strlen(optarg) + 1;
+ devopt = calloc(1, sizeof(*devopt) + optlen);
+ if (devopt == NULL) {
+ RTE_LOG(ERR, EAL, "Unable to allocate device option\n");
+ return -ENOMEM;
+ }
+
+ devopt->type = type;
+ ret = snprintf(devopt->arg, optlen, "%s", optarg);
+ if (ret < 0) {
+ RTE_LOG(ERR, EAL, "Unable to copy device option\n");
+ free(devopt);
+ return -EINVAL;
+ }
+ TAILQ_INSERT_TAIL(&devopt_list, devopt, next);
+ return 0;
+}
+
+int
+eal_option_device_parse(void)
+{
+ struct device_option *devopt;
+ void *tmp;
+ int ret = 0;
+
+ TAILQ_FOREACH_SAFE(devopt, &devopt_list, next, tmp) {
+ if (ret == 0) {
+ ret = rte_eal_devargs_add(devopt->type, devopt->arg);
+ if (ret)
+ RTE_LOG(ERR, EAL, "Unable to parse device '%s'\n",
+ devopt->arg);
+ }
+ TAILQ_REMOVE(&devopt_list, devopt, next);
+ free(devopt);
+ }
+ return ret;
+}
+
void
eal_reset_internal_config(struct internal_config *internal_cfg)
{
return val;
}
+static int
+eal_parse_service_coremask(const char *coremask)
+{
+ struct rte_config *cfg = rte_eal_get_configuration();
+ int i, j, idx = 0;
+ unsigned int 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) {
+ /* handle master lcore already parsed */
+ uint32_t lcore = idx;
+ if (master_lcore_parsed &&
+ cfg->master_lcore == lcore) {
+ RTE_LOG(ERR, EAL,
+ "Error: lcore %u is master lcore, cannot use as service core\n",
+ idx);
+ return -1;
+ }
+
+ if (!lcore_config[idx].detected) {
+ RTE_LOG(ERR, EAL,
+ "lcore %u unavailable\n", idx);
+ return -1;
+ }
+ lcore_config[idx].core_role = ROLE_SERVICE;
+ count++;
+ }
+ }
+ }
+
+ for (; i >= 0; i--)
+ if (coremask[i] != '0')
+ return -1;
+
+ for (; idx < RTE_MAX_LCORE; idx++)
+ lcore_config[idx].core_index = -1;
+
+ if (count == 0)
+ return -1;
+
+ cfg->service_lcore_count = count;
+ return 0;
+}
+
static int
eal_parse_coremask(const char *coremask)
{
return 0;
}
+static int
+eal_parse_service_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--;
+
+ /* 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_SERVICE) {
+ /* handle master lcore already parsed */
+ uint32_t lcore = idx;
+ if (cfg->master_lcore == lcore &&
+ master_lcore_parsed) {
+ RTE_LOG(ERR, EAL,
+ "Error: lcore %u is master lcore, cannot use as service core\n",
+ idx);
+ return -1;
+ }
+ lcore_config[idx].core_role =
+ ROLE_SERVICE;
+ count++;
+ }
+ }
+ min = RTE_MAX_LCORE;
+ } else
+ return -1;
+ corelist = end + 1;
+ } while (*end != '\0');
+
+ if (count == 0)
+ return -1;
+
+ return 0;
+}
+
static int
eal_parse_corelist(const char *corelist)
{
if (cfg->master_lcore >= RTE_MAX_LCORE)
return -1;
master_lcore_parsed = 1;
+
+ /* ensure master core is not used as service core */
+ if (lcore_config[cfg->master_lcore].core_role == ROLE_SERVICE) {
+ RTE_LOG(ERR, EAL, "Error: Master lcore is used as a service core.\n");
+ return -1;
+ }
+
return 0;
}
eal_parse_common_option(int opt, const char *optarg,
struct internal_config *conf)
{
+ static int b_used;
+ static int w_used;
+
switch (opt) {
/* blacklist */
case 'b':
- if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI,
+ if (w_used)
+ goto bw_used;
+ if (eal_option_device_add(RTE_DEVTYPE_BLACKLISTED_PCI,
optarg) < 0) {
return -1;
}
+ b_used = 1;
break;
/* whitelist */
case 'w':
- if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI,
+ if (b_used)
+ goto bw_used;
+ if (eal_option_device_add(RTE_DEVTYPE_WHITELISTED_PCI,
optarg) < 0) {
return -1;
}
+ w_used = 1;
break;
/* coremask */
case 'c':
}
core_parsed = 1;
break;
+ /* service coremask */
+ case 's':
+ if (eal_parse_service_coremask(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid service coremask\n");
+ return -1;
+ }
+ break;
+ /* service corelist */
+ case 'S':
+ if (eal_parse_service_corelist(optarg) < 0) {
+ RTE_LOG(ERR, EAL, "invalid service core list\n");
+ return -1;
+ }
+ break;
/* size of memory */
case 'm':
conf->memory = atoi(optarg);
break;
case OPT_VDEV_NUM:
- if (rte_eal_devargs_add(RTE_DEVTYPE_VIRTUAL,
+ if (eal_option_device_add(RTE_DEVTYPE_VIRTUAL,
optarg) < 0) {
return -1;
}
}
return 0;
+bw_used:
+ RTE_LOG(ERR, EAL, "Options blacklist (-b) and whitelist (-w) "
+ "cannot be used at the same time\n");
+ return -1;
}
static void
internal_config.process_type = eal_proc_type_detect();
/* default master lcore is the first one */
- if (!master_lcore_parsed)
+ if (!master_lcore_parsed) {
cfg->master_lcore = rte_get_next_lcore(-1, 0, 0);
+ lcore_config[cfg->master_lcore].core_role = ROLE_RTE;
+ }
/* if no memory amounts were requested, this will result in 0 and
* will be overridden later, right after eal_hugepage_info_init() */
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;
}
" ',' 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"
+ " -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"
" -n CHANNELS Number of memory channels\n"
" -m MB Memory to allocate (see also --"OPT_SOCKET_MEM")\n"
Code Review / deb_dpdk.git / blobdiff