diff options
Diffstat (limited to 'src/dpdk/drivers/net/virtio/virtio_user_ethdev.c')
-rw-r--r-- | src/dpdk/drivers/net/virtio/virtio_user_ethdev.c | 99 |
1 files changed, 59 insertions, 40 deletions
diff --git a/src/dpdk/drivers/net/virtio/virtio_user_ethdev.c b/src/dpdk/drivers/net/virtio/virtio_user_ethdev.c index daef09bd..0b226ac7 100644 --- a/src/dpdk/drivers/net/virtio/virtio_user_ethdev.c +++ b/src/dpdk/drivers/net/virtio/virtio_user_ethdev.c @@ -37,6 +37,7 @@ #include <rte_malloc.h> #include <rte_kvargs.h> +#include <rte_vdev.h> #include "virtio_ethdev.h" #include "virtio_logs.h" @@ -81,26 +82,29 @@ virtio_user_write_dev_config(struct virtio_hw *hw, size_t offset, for (i = 0; i < ETHER_ADDR_LEN; ++i) dev->mac_addr[i] = ((const uint8_t *)src)[i]; else - PMD_DRV_LOG(ERR, "not supported offset=%zu, len=%d\n", + PMD_DRV_LOG(ERR, "not supported offset=%zu, len=%d", offset, length); } static void -virtio_user_set_status(struct virtio_hw *hw, uint8_t status) +virtio_user_reset(struct virtio_hw *hw) { struct virtio_user_dev *dev = virtio_user_get_dev(hw); - if (status & VIRTIO_CONFIG_STATUS_DRIVER_OK) - virtio_user_start_device(dev); - dev->status = status; + if (dev->status & VIRTIO_CONFIG_STATUS_DRIVER_OK) + virtio_user_stop_device(dev); } static void -virtio_user_reset(struct virtio_hw *hw) +virtio_user_set_status(struct virtio_hw *hw, uint8_t status) { struct virtio_user_dev *dev = virtio_user_get_dev(hw); - virtio_user_stop_device(dev); + if (status & VIRTIO_CONFIG_STATUS_DRIVER_OK) + virtio_user_start_device(dev); + else if (status == VIRTIO_CONFIG_STATUS_RESET) + virtio_user_reset(hw); + dev->status = status; } static uint8_t @@ -116,7 +120,8 @@ virtio_user_get_features(struct virtio_hw *hw) { struct virtio_user_dev *dev = virtio_user_get_dev(hw); - return dev->features; + /* unmask feature bits defined in vhost user protocol */ + return dev->device_features & VIRTIO_PMD_SUPPORTED_GUEST_FEATURES; } static void @@ -124,7 +129,7 @@ virtio_user_set_features(struct virtio_hw *hw, uint64_t features) { struct virtio_user_dev *dev = virtio_user_get_dev(hw); - dev->features = features; + dev->features = features & dev->device_features; } static uint8_t @@ -207,11 +212,11 @@ virtio_user_notify_queue(struct virtio_hw *hw, struct virtqueue *vq) } if (write(dev->kickfds[vq->vq_queue_index], &buf, sizeof(buf)) < 0) - PMD_DRV_LOG(ERR, "failed to kick backend: %s\n", + PMD_DRV_LOG(ERR, "failed to kick backend: %s", strerror(errno)); } -static const struct virtio_pci_ops virtio_user_ops = { +const struct virtio_pci_ops virtio_user_ops = { .read_dev_cfg = virtio_user_read_dev_config, .write_dev_cfg = virtio_user_write_dev_config, .reset = virtio_user_reset, @@ -269,6 +274,8 @@ get_integer_arg(const char *key __rte_unused, return 0; } +static struct rte_vdev_driver virtio_user_driver; + static struct rte_eth_dev * virtio_user_eth_dev_alloc(const char *name) { @@ -277,7 +284,7 @@ virtio_user_eth_dev_alloc(const char *name) struct virtio_hw *hw; struct virtio_user_dev *dev; - eth_dev = rte_eth_dev_allocate(name, RTE_ETH_DEV_VIRTUAL); + eth_dev = rte_eth_dev_allocate(name); if (!eth_dev) { PMD_INIT_LOG(ERR, "cannot alloc rte_eth_dev"); return NULL; @@ -300,25 +307,38 @@ virtio_user_eth_dev_alloc(const char *name) return NULL; } - hw->vtpci_ops = &virtio_user_ops; + hw->port_id = data->port_id; + virtio_hw_internal[hw->port_id].vtpci_ops = &virtio_user_ops; hw->use_msix = 0; hw->modern = 0; + hw->use_simple_rxtx = 0; hw->virtio_user_dev = dev; data->dev_private = hw; + data->drv_name = virtio_user_driver.driver.name; data->numa_node = SOCKET_ID_ANY; data->kdrv = RTE_KDRV_NONE; data->dev_flags = RTE_ETH_DEV_DETACHABLE; - eth_dev->pci_dev = NULL; eth_dev->driver = NULL; return eth_dev; } +static void +virtio_user_eth_dev_free(struct rte_eth_dev *eth_dev) +{ + struct rte_eth_dev_data *data = eth_dev->data; + struct virtio_hw *hw = data->dev_private; + + rte_free(hw->virtio_user_dev); + rte_free(hw); + rte_eth_dev_release_port(eth_dev); +} + /* Dev initialization routine. Invoked once for each virtio vdev at * EAL init time, see rte_eal_dev_init(). * Returns 0 on success. */ static int -virtio_user_pmd_devinit(const char *name, const char *params) +virtio_user_pmd_probe(const char *name, const char *params) { struct rte_kvargs *kvlist = NULL; struct rte_eth_dev *eth_dev; @@ -343,23 +363,21 @@ virtio_user_pmd_devinit(const char *name, const char *params) } if (rte_kvargs_count(kvlist, VIRTIO_USER_ARG_PATH) == 1) { - ret = rte_kvargs_process(kvlist, VIRTIO_USER_ARG_PATH, - &get_string_arg, &path); - if (ret < 0) { + if (rte_kvargs_process(kvlist, VIRTIO_USER_ARG_PATH, + &get_string_arg, &path) < 0) { PMD_INIT_LOG(ERR, "error to parse %s", VIRTIO_USER_ARG_PATH); goto end; } } else { - PMD_INIT_LOG(ERR, "arg %s is mandatory for virtio_user\n", + PMD_INIT_LOG(ERR, "arg %s is mandatory for virtio_user", VIRTIO_USER_ARG_QUEUE_SIZE); goto end; } if (rte_kvargs_count(kvlist, VIRTIO_USER_ARG_MAC) == 1) { - ret = rte_kvargs_process(kvlist, VIRTIO_USER_ARG_MAC, - &get_string_arg, &mac_addr); - if (ret < 0) { + if (rte_kvargs_process(kvlist, VIRTIO_USER_ARG_MAC, + &get_string_arg, &mac_addr) < 0) { PMD_INIT_LOG(ERR, "error to parse %s", VIRTIO_USER_ARG_MAC); goto end; @@ -367,9 +385,8 @@ virtio_user_pmd_devinit(const char *name, const char *params) } if (rte_kvargs_count(kvlist, VIRTIO_USER_ARG_QUEUE_SIZE) == 1) { - ret = rte_kvargs_process(kvlist, VIRTIO_USER_ARG_QUEUE_SIZE, - &get_integer_arg, &queue_size); - if (ret < 0) { + if (rte_kvargs_process(kvlist, VIRTIO_USER_ARG_QUEUE_SIZE, + &get_integer_arg, &queue_size) < 0) { PMD_INIT_LOG(ERR, "error to parse %s", VIRTIO_USER_ARG_QUEUE_SIZE); goto end; @@ -377,9 +394,8 @@ virtio_user_pmd_devinit(const char *name, const char *params) } if (rte_kvargs_count(kvlist, VIRTIO_USER_ARG_QUEUES_NUM) == 1) { - ret = rte_kvargs_process(kvlist, VIRTIO_USER_ARG_QUEUES_NUM, - &get_integer_arg, &queues); - if (ret < 0) { + if (rte_kvargs_process(kvlist, VIRTIO_USER_ARG_QUEUES_NUM, + &get_integer_arg, &queues) < 0) { PMD_INIT_LOG(ERR, "error to parse %s", VIRTIO_USER_ARG_QUEUES_NUM); goto end; @@ -387,9 +403,8 @@ virtio_user_pmd_devinit(const char *name, const char *params) } if (rte_kvargs_count(kvlist, VIRTIO_USER_ARG_CQ_NUM) == 1) { - ret = rte_kvargs_process(kvlist, VIRTIO_USER_ARG_CQ_NUM, - &get_integer_arg, &cq); - if (ret < 0) { + if (rte_kvargs_process(kvlist, VIRTIO_USER_ARG_CQ_NUM, + &get_integer_arg, &cq) < 0) { PMD_INIT_LOG(ERR, "error to parse %s", VIRTIO_USER_ARG_CQ_NUM); goto end; @@ -411,12 +426,16 @@ virtio_user_pmd_devinit(const char *name, const char *params) hw = eth_dev->data->dev_private; if (virtio_user_dev_init(hw->virtio_user_dev, path, queues, cq, - queue_size, mac_addr) < 0) + queue_size, mac_addr) < 0) { + PMD_INIT_LOG(ERR, "virtio_user_dev_init fails"); + virtio_user_eth_dev_free(eth_dev); goto end; + } /* previously called by rte_eal_pci_probe() for physical dev */ if (eth_virtio_dev_init(eth_dev) < 0) { PMD_INIT_LOG(ERR, "eth_virtio_dev_init fails"); + virtio_user_eth_dev_free(eth_dev); goto end; } ret = 0; @@ -433,7 +452,7 @@ end: /** Called by rte_eth_dev_detach() */ static int -virtio_user_pmd_devuninit(const char *name) +virtio_user_pmd_remove(const char *name) { struct rte_eth_dev *eth_dev; struct virtio_hw *hw; @@ -442,7 +461,7 @@ virtio_user_pmd_devuninit(const char *name) if (!name) return -EINVAL; - PMD_DRV_LOG(INFO, "Un-Initializing %s\n", name); + PMD_DRV_LOG(INFO, "Un-Initializing %s", name); eth_dev = rte_eth_dev_allocated(name); if (!eth_dev) return -ENODEV; @@ -461,14 +480,14 @@ virtio_user_pmd_devuninit(const char *name) return 0; } -static struct rte_driver virtio_user_driver = { - .type = PMD_VDEV, - .init = virtio_user_pmd_devinit, - .uninit = virtio_user_pmd_devuninit, +static struct rte_vdev_driver virtio_user_driver = { + .probe = virtio_user_pmd_probe, + .remove = virtio_user_pmd_remove, }; -PMD_REGISTER_DRIVER(virtio_user_driver, virtio_user); -DRIVER_REGISTER_PARAM_STRING(virtio_user, +RTE_PMD_REGISTER_VDEV(net_virtio_user, virtio_user_driver); +RTE_PMD_REGISTER_ALIAS(net_virtio_user, virtio_user); +RTE_PMD_REGISTER_PARAM_STRING(net_virtio_user, "path=<path> " "mac=<mac addr> " "cq=<int> " |