X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fvhost%2Frte_eth_vhost.c;h=0dac5e60ecb4b82c6fcd074d8ece78917fd9b712;hb=e163c18a15b0;hp=5feb79cc5f85b17a3461c0f49a7a10100d56bf16;hpb=b50a2039861052ebe8e498795f8d7d5c68a64d4c;p=dpdk.git diff --git a/drivers/net/vhost/rte_eth_vhost.c b/drivers/net/vhost/rte_eth_vhost.c index 5feb79cc5f..0dac5e60ec 100644 --- a/drivers/net/vhost/rte_eth_vhost.c +++ b/drivers/net/vhost/rte_eth_vhost.c @@ -36,15 +36,18 @@ #include #include +#include #include #include #include #include -#include +#include #include #include "rte_eth_vhost.h" +enum {VIRTIO_RXQ, VIRTIO_TXQ, VIRTIO_QNUM}; + #define ETH_VHOST_IFACE_ARG "iface" #define ETH_VHOST_QUEUES_ARG "queues" #define ETH_VHOST_CLIENT_ARG "client" @@ -126,9 +129,6 @@ static struct internal_list_head internal_list = static pthread_mutex_t internal_list_lock = PTHREAD_MUTEX_INITIALIZER; -static rte_atomic16_t nb_started_ports; -static pthread_t session_th; - static struct rte_eth_link pmd_link = { .link_speed = 10000, .link_duplex = ETH_LINK_FULL_DUPLEX, @@ -607,7 +607,8 @@ new_device(int vid) RTE_LOG(INFO, PMD, "New connection established\n"); - _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_INTR_LSC, NULL); + _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_INTR_LSC, + NULL, NULL); return 0; } @@ -661,7 +662,8 @@ destroy_device(int vid) RTE_LOG(INFO, PMD, "Connection closed\n"); - _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_INTR_LSC, NULL); + _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_INTR_LSC, + NULL, NULL); } static int @@ -690,12 +692,13 @@ vring_state_changed(int vid, uint16_t vring, int enable) RTE_LOG(INFO, PMD, "vring%u is %s\n", vring, enable ? "enabled" : "disabled"); - _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_QUEUE_STATE, NULL); + _rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_QUEUE_STATE, + NULL, NULL); return 0; } -static struct virtio_net_device_ops vhost_ops = { +static struct vhost_device_ops vhost_ops = { .new_device = new_device, .destroy_device = destroy_device, .vring_state_changed = vring_state_changed, @@ -767,42 +770,6 @@ rte_eth_vhost_get_vid_from_port_id(uint8_t port_id) return vid; } -static void * -vhost_driver_session(void *param __rte_unused) -{ - /* start event handling */ - rte_vhost_driver_session_start(); - - return NULL; -} - -static int -vhost_driver_session_start(void) -{ - int ret; - - ret = pthread_create(&session_th, - NULL, vhost_driver_session, NULL); - if (ret) - RTE_LOG(ERR, PMD, "Can't create a thread\n"); - - return ret; -} - -static void -vhost_driver_session_stop(void) -{ - int ret; - - ret = pthread_cancel(session_th); - if (ret) - RTE_LOG(ERR, PMD, "Can't cancel the thread\n"); - - ret = pthread_join(session_th, NULL); - if (ret) - RTE_LOG(ERR, PMD, "Can't join the thread\n"); -} - static int eth_dev_start(struct rte_eth_dev *dev) { @@ -828,11 +795,14 @@ eth_dev_close(struct rte_eth_dev *dev) { struct pmd_internal *internal; struct internal_list *list; + unsigned int i; internal = dev->data->dev_private; if (!internal) return; + eth_dev_stop(dev); + rte_vhost_driver_unregister(internal->iface_name); list = find_internal_resource(internal->iface_name); @@ -844,9 +814,17 @@ eth_dev_close(struct rte_eth_dev *dev) pthread_mutex_unlock(&internal_list_lock); rte_free(list); + for (i = 0; i < dev->data->nb_rx_queues; i++) + rte_free(dev->data->rx_queues[i]); + for (i = 0; i < dev->data->nb_tx_queues; i++) + rte_free(dev->data->tx_queues[i]); + + rte_free(dev->data->mac_addrs); free(internal->dev_name); free(internal->iface_name); rte_free(internal); + + dev->data->dev_private = NULL; } static int @@ -998,6 +976,18 @@ eth_link_update(struct rte_eth_dev *dev __rte_unused, return 0; } +static uint32_t +eth_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id) +{ + struct vhost_queue *vq; + + vq = dev->data->rx_queues[rx_queue_id]; + if (vq == NULL) + return 0; + + return rte_vhost_rx_queue_count(vq->vid, vq->virtqueue_id); +} + static const struct eth_dev_ops ops = { .dev_start = eth_dev_start, .dev_stop = eth_dev_stop, @@ -1009,6 +999,7 @@ static const struct eth_dev_ops ops = { .rx_queue_release = eth_queue_release, .tx_queue_release = eth_queue_release, .tx_done_cleanup = eth_tx_done_cleanup, + .rx_queue_count = eth_rx_queue_count, .link_update = eth_link_update, .stats_get = eth_stats_get, .stats_reset = eth_stats_reset, @@ -1020,9 +1011,10 @@ static const struct eth_dev_ops ops = { static struct rte_vdev_driver pmd_vhost_drv; static int -eth_dev_vhost_create(const char *name, char *iface_name, int16_t queues, - const unsigned numa_node, uint64_t flags) +eth_dev_vhost_create(struct rte_vdev_device *dev, char *iface_name, + int16_t queues, const unsigned int numa_node, uint64_t flags) { + const char *name = rte_vdev_device_name(dev); struct rte_eth_dev_data *data = NULL; struct pmd_internal *internal = NULL; struct rte_eth_dev *eth_dev = NULL; @@ -1033,23 +1025,19 @@ eth_dev_vhost_create(const char *name, char *iface_name, int16_t queues, RTE_LOG(INFO, PMD, "Creating VHOST-USER backend on numa socket %u\n", numa_node); - /* now do all data allocation - for eth_dev structure, dummy pci driver - * and internal (private) data + /* now do all data allocation - for eth_dev structure and internal + * (private) data */ data = rte_zmalloc_socket(name, sizeof(*data), 0, numa_node); if (data == NULL) goto error; - internal = rte_zmalloc_socket(name, sizeof(*internal), 0, numa_node); - if (internal == NULL) - goto error; - list = rte_zmalloc_socket(name, sizeof(*list), 0, numa_node); if (list == NULL) goto error; /* reserve an ethdev entry */ - eth_dev = rte_eth_dev_allocate(name); + eth_dev = rte_eth_vdev_allocate(dev, sizeof(*internal)); if (eth_dev == NULL) goto error; @@ -1066,10 +1054,10 @@ eth_dev_vhost_create(const char *name, char *iface_name, int16_t queues, /* now put it all together * - store queue data in internal, - * - store numa_node info in ethdev data * - point eth_dev_data to internals * - and point eth_dev structure to new eth_dev_data structure */ + internal = eth_dev->data->dev_private; internal->dev_name = strdup(name); if (internal->dev_name == NULL) goto error; @@ -1085,26 +1073,21 @@ eth_dev_vhost_create(const char *name, char *iface_name, int16_t queues, rte_spinlock_init(&vring_state->lock); vring_states[eth_dev->data->port_id] = vring_state; - data->dev_private = internal; - data->port_id = eth_dev->data->port_id; - memmove(data->name, eth_dev->data->name, sizeof(data->name)); + /* We'll replace the 'data' originally allocated by eth_dev. So the + * vhost PMD resources won't be shared between multi processes. + */ + rte_memcpy(data, eth_dev->data, sizeof(*data)); + eth_dev->data = data; + data->nb_rx_queues = queues; data->nb_tx_queues = queues; internal->max_queues = queues; data->dev_link = pmd_link; data->mac_addrs = eth_addr; - - /* We'll replace the 'data' originally allocated by eth_dev. So the - * vhost PMD resources won't be shared between multi processes. - */ - eth_dev->data = data; - eth_dev->dev_ops = &ops; - eth_dev->driver = NULL; data->dev_flags = RTE_ETH_DEV_DETACHABLE | RTE_ETH_DEV_INTR_LSC; - data->kdrv = RTE_KDRV_NONE; - data->drv_name = pmd_vhost_drv.driver.name; - data->numa_node = numa_node; + + eth_dev->dev_ops = &ops; /* finally assign rx and tx ops */ eth_dev->rx_pkt_burst = eth_vhost_rx; @@ -1118,17 +1101,19 @@ eth_dev_vhost_create(const char *name, char *iface_name, int16_t queues, goto error; } - /* We need only one message handling thread */ - if (rte_atomic16_add_return(&nb_started_ports, 1) == 1) { - if (vhost_driver_session_start()) - goto error; + if (rte_vhost_driver_start(iface_name) < 0) { + RTE_LOG(ERR, PMD, "Failed to start driver for %s\n", + iface_name); + goto error; } return data->port_id; error: - if (internal) + if (internal) { + free(internal->iface_name); free(internal->dev_name); + } rte_free(vring_state); rte_free(eth_addr); if (eth_dev) @@ -1169,7 +1154,7 @@ open_int(const char *key __rte_unused, const char *value, void *extra_args) } static int -rte_pmd_vhost_probe(const char *name, const char *params) +rte_pmd_vhost_probe(struct rte_vdev_device *dev) { struct rte_kvargs *kvlist = NULL; int ret = 0; @@ -1179,9 +1164,10 @@ rte_pmd_vhost_probe(const char *name, const char *params) int client_mode = 0; int dequeue_zero_copy = 0; - RTE_LOG(INFO, PMD, "Initializing pmd_vhost for %s\n", name); + RTE_LOG(INFO, PMD, "Initializing pmd_vhost for %s\n", + rte_vdev_device_name(dev)); - kvlist = rte_kvargs_parse(params, valid_arguments); + kvlist = rte_kvargs_parse(rte_vdev_device_args(dev), valid_arguments); if (kvlist == NULL) return -1; @@ -1224,7 +1210,11 @@ rte_pmd_vhost_probe(const char *name, const char *params) flags |= RTE_VHOST_USER_DEQUEUE_ZERO_COPY; } - eth_dev_vhost_create(name, iface_name, queues, rte_socket_id(), flags); + if (dev->device.numa_node == SOCKET_ID_ANY) + dev->device.numa_node = rte_socket_id(); + + eth_dev_vhost_create(dev, iface_name, queues, dev->device.numa_node, + flags); out_free: rte_kvargs_free(kvlist); @@ -1232,11 +1222,12 @@ out_free: } static int -rte_pmd_vhost_remove(const char *name) +rte_pmd_vhost_remove(struct rte_vdev_device *dev) { + const char *name; struct rte_eth_dev *eth_dev = NULL; - unsigned int i; + name = rte_vdev_device_name(dev); RTE_LOG(INFO, PMD, "Un-Initializing pmd_vhost for %s\n", name); /* find an ethdev entry */ @@ -1244,22 +1235,11 @@ rte_pmd_vhost_remove(const char *name) if (eth_dev == NULL) return -ENODEV; - eth_dev_stop(eth_dev); - eth_dev_close(eth_dev); - if (rte_atomic16_sub_return(&nb_started_ports, 1) == 0) - vhost_driver_session_stop(); - rte_free(vring_states[eth_dev->data->port_id]); vring_states[eth_dev->data->port_id] = NULL; - for (i = 0; i < eth_dev->data->nb_rx_queues; i++) - rte_free(eth_dev->data->rx_queues[i]); - for (i = 0; i < eth_dev->data->nb_tx_queues; i++) - rte_free(eth_dev->data->tx_queues[i]); - - rte_free(eth_dev->data->mac_addrs); rte_free(eth_dev->data); rte_eth_dev_release_port(eth_dev);