#include <cmdline_parse.h>
#include <cmdline_socket.h>
#include <cmdline_parse_string.h>
+#include <cmdline_parse_num.h>
#include <cmdline.h>
#define MAX_PATH_LEN 128
int did;
int vid;
uint64_t flags;
+ int stats_n;
+ struct rte_vdpa_stat_name *stats_names;
+ struct rte_vdpa_stat *stats;
};
static struct vdpa_port vports[MAX_VDPA_SAMPLE_PORTS];
RTE_LOG(ERR, VDPA,
"Fail to unregister vhost driver for %s.\n",
socket_path);
+ if (vport->stats_names) {
+ rte_free(vport->stats_names);
+ vport->stats_names = NULL;
+ }
}
static void
" help : Show interactive instructions.\n"
" list : list all available vdpa devices.\n"
" create <socket file> <vdev addr> : create a new vdpa port.\n"
+ " stats <device ID> <virtio queue ID> : show statistics of virtio queue, 0xffff for all.\n"
" quit : exit vdpa sample app.\n"
);
}
uint32_t queue_num;
uint64_t features;
struct rte_vdpa_device *vdev;
- struct rte_pci_addr addr;
+ struct rte_device *dev;
+ struct rte_dev_iterator dev_iter;
- cmdline_printf(cl, "device id\tdevice address\tqueue num\tsupported features\n");
- for (did = 0; did < dev_total; did++) {
+ cmdline_printf(cl, "device id\tdevice name\tqueue num\tsupported features\n");
+ RTE_DEV_FOREACH(dev, "class=vdpa", &dev_iter) {
+ did = rte_vdpa_find_device_id_by_name(dev->name);
+ if (did < 0)
+ continue;
vdev = rte_vdpa_get_device(did);
if (!vdev)
continue;
- if (vdev->ops->get_queue_num(did, &queue_num) < 0) {
+ if (vdev->ops->get_queue_num(vdev, &queue_num) < 0) {
RTE_LOG(ERR, VDPA,
"failed to get vdpa queue number "
"for device id %d.\n", did);
continue;
}
- if (vdev->ops->get_features(did, &features) < 0) {
+ if (vdev->ops->get_features(vdev, &features) < 0) {
RTE_LOG(ERR, VDPA,
"failed to get vdpa features "
"for device id %d.\n", did);
continue;
}
- addr = vdev->addr.pci_addr;
- cmdline_printf(cl,
- "%d\t\t" PCI_PRI_FMT "\t%" PRIu32 "\t\t0x%" PRIx64 "\n",
- did, addr.domain, addr.bus, addr.devid,
- addr.function, queue_num, features);
+ cmdline_printf(cl, "%d\t\t%s\t\t%" PRIu32 "\t\t0x%" PRIx64 "\n",
+ did, dev->name, queue_num, features);
}
}
{
int did;
struct cmd_create_result *res = parsed_result;
- struct rte_vdpa_dev_addr addr;
rte_strscpy(vports[devcnt].ifname, res->socket_path, MAX_PATH_LEN);
- if (rte_pci_addr_parse(res->bdf, &addr.pci_addr) != 0) {
- cmdline_printf(cl, "Unable to parse the given bdf.\n");
- return;
- }
- addr.type = VDPA_ADDR_PCI;
- did = rte_vdpa_find_device_id(&addr);
+ did = rte_vdpa_find_device_id_by_name(res->bdf);
if (did < 0) {
- cmdline_printf(cl, "Unable to find vdpa device id.\n");
+ cmdline_printf(cl, "Unable to find vdpa device id for %s.\n",
+ res->bdf);
return;
}
},
};
+/* *** STATS *** */
+struct cmd_stats_result {
+ cmdline_fixed_string_t stats;
+ uint16_t did;
+ uint16_t qid;
+};
+
+static void cmd_device_stats_parsed(void *parsed_result, struct cmdline *cl,
+ __rte_unused void *data)
+{
+ struct cmd_stats_result *res = parsed_result;
+ struct rte_vdpa_device *vdev = rte_vdpa_get_device(res->did);
+ struct vdpa_port *vport = NULL;
+ uint32_t first, last;
+ int i;
+
+ if (!vdev) {
+ RTE_LOG(ERR, VDPA, "Invalid device id %" PRIu16 ".\n",
+ res->did);
+ return;
+ }
+ for (i = 0; i < RTE_MIN(MAX_VDPA_SAMPLE_PORTS, dev_total); i++) {
+ if (vports[i].did == res->did) {
+ vport = &vports[i];
+ break;
+ }
+ }
+ if (!vport) {
+ RTE_LOG(ERR, VDPA, "Device id %" PRIu16 " was not created.\n",
+ res->did);
+ return;
+ }
+ if (res->qid == 0xFFFF) {
+ first = 0;
+ last = rte_vhost_get_vring_num(vport->vid);
+ if (last == 0) {
+ RTE_LOG(ERR, VDPA, "Failed to get num of actual virtqs"
+ " for device id %d.\n", (int)res->did);
+ return;
+ }
+ last--;
+ } else {
+ first = res->qid;
+ last = res->qid;
+ }
+ if (!vport->stats_names) {
+ vport->stats_n = rte_vdpa_get_stats_names(vport->did, NULL, 0);
+ if (vport->stats_n <= 0) {
+ RTE_LOG(ERR, VDPA, "Failed to get names number of "
+ "device %d stats.\n", (int)res->did);
+ return;
+ }
+ vport->stats_names = rte_zmalloc(NULL,
+ (sizeof(*vport->stats_names) + sizeof(*vport->stats)) *
+ vport->stats_n, 0);
+ if (!vport->stats_names) {
+ RTE_LOG(ERR, VDPA, "Failed to allocate memory for stat"
+ " names of device %d.\n", (int)res->did);
+ return;
+ }
+ i = rte_vdpa_get_stats_names(vport->did, vport->stats_names,
+ vport->stats_n);
+ if (vport->stats_n != i) {
+ RTE_LOG(ERR, VDPA, "Failed to get names of device %d "
+ "stats.\n", (int)res->did);
+ return;
+ }
+ vport->stats = (struct rte_vdpa_stat *)
+ (vport->stats_names + vport->stats_n);
+ }
+ cmdline_printf(cl, "\nDevice %d:\n", (int)res->did);
+ for (; first <= last; first++) {
+ memset(vport->stats, 0, sizeof(*vport->stats) * vport->stats_n);
+ if (rte_vdpa_get_stats(vport->did, (int)first, vport->stats,
+ vport->stats_n) <= 0) {
+ RTE_LOG(ERR, VDPA, "Failed to get vdpa queue statistics"
+ " for device id %d qid %d.\n", (int)res->did,
+ (int)first);
+ return;
+ }
+ cmdline_printf(cl, "\tVirtq %" PRIu32 ":\n", first);
+ for (i = 0; i < vport->stats_n; ++i) {
+ cmdline_printf(cl, "\t\t%-*s %-16" PRIu64 "\n",
+ RTE_VDPA_STATS_NAME_SIZE,
+ vport->stats_names[vport->stats[i].id].name,
+ vport->stats[i].value);
+ }
+ }
+}
+
+cmdline_parse_token_string_t cmd_device_stats_ =
+ TOKEN_STRING_INITIALIZER(struct cmd_stats_result, stats, "stats");
+cmdline_parse_token_num_t cmd_device_id =
+ TOKEN_NUM_INITIALIZER(struct cmd_stats_result, did, UINT32);
+cmdline_parse_token_num_t cmd_queue_id =
+ TOKEN_NUM_INITIALIZER(struct cmd_stats_result, qid, UINT32);
+
+cmdline_parse_inst_t cmd_device_stats = {
+ .f = cmd_device_stats_parsed,
+ .data = NULL,
+ .help_str = "stats: show device statistics",
+ .tokens = {
+ (void *)&cmd_device_stats_,
+ (void *)&cmd_device_id,
+ (void *)&cmd_queue_id,
+ NULL,
+ },
+};
+
/* *** QUIT *** */
struct cmd_quit_result {
cmdline_fixed_string_t quit;
(cmdline_parse_inst_t *)&cmd_help,
(cmdline_parse_inst_t *)&cmd_list_vdpa_devices,
(cmdline_parse_inst_t *)&cmd_create_vdpa_port,
+ (cmdline_parse_inst_t *)&cmd_device_stats,
(cmdline_parse_inst_t *)&cmd_quit,
NULL,
};
main(int argc, char *argv[])
{
char ch;
- int i;
+ int did;
int ret;
struct cmdline *cl;
+ struct rte_device *dev;
+ struct rte_dev_iterator dev_iter;
ret = rte_eal_init(argc, argv);
if (ret < 0)
cmdline_interact(cl);
cmdline_stdin_exit(cl);
} else {
- for (i = 0; i < RTE_MIN(MAX_VDPA_SAMPLE_PORTS, dev_total);
- i++) {
- vports[i].did = i;
- snprintf(vports[i].ifname, MAX_PATH_LEN, "%s%d",
- iface, i);
+ RTE_DEV_FOREACH(dev, "class=vdpa", &dev_iter) {
+ did = rte_vdpa_find_device_id_by_name(dev->name);
+ if (did < 0) {
+ rte_panic("Failed to find device id for %s\n",
+ dev->name);
+ }
+ vports[devcnt].did = did;
+ snprintf(vports[devcnt].ifname, MAX_PATH_LEN, "%s%d",
+ iface, devcnt);
- start_vdpa(&vports[i]);
+ start_vdpa(&vports[devcnt]);
+ devcnt++;
}
printf("enter \'q\' to quit\n");