From: "Xia, Chenbo" <chenbo.xia@intel.com>
To: Maxime Coquelin <maxime.coquelin@redhat.com>,
"dev@dpdk.org" <dev@dpdk.org>,
"olivier.matz@6wind.com" <olivier.matz@6wind.com>,
"amorenoz@redhat.com" <amorenoz@redhat.com>,
"david.marchand@redhat.com" <david.marchand@redhat.com>
Subject: Re: [dpdk-dev] [PATCH 03/40] net/virtio: refactor virtio-user device
Date: Wed, 30 Dec 2020 03:02:26 +0000 [thread overview]
Message-ID: <MN2PR11MB4063F7B7F89621006DCF73089CD70@MN2PR11MB4063.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20201220211405.313012-4-maxime.coquelin@redhat.com>
> -----Original Message-----
> From: Maxime Coquelin <maxime.coquelin@redhat.com>
> Sent: Monday, December 21, 2020 5:13 AM
> To: dev@dpdk.org; Xia, Chenbo <chenbo.xia@intel.com>; olivier.matz@6wind.com;
> amorenoz@redhat.com; david.marchand@redhat.com
> Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
> Subject: [PATCH 03/40] net/virtio: refactor virtio-user device
>
> This patch moves the virtio_hw structure into the virtio_user_dev
> structure, with the goal of making virtio_hw bus-agnostic.
>
> Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
> ---
> drivers/net/virtio/virtio_ethdev.c | 2 +-
> drivers/net/virtio/virtio_pci.h | 1 -
> .../net/virtio/virtio_user/virtio_user_dev.h | 1 +
> drivers/net/virtio/virtio_user_ethdev.c | 62 ++++++++-----------
> 4 files changed, 27 insertions(+), 39 deletions(-)
>
> diff --git a/drivers/net/virtio/virtio_ethdev.c
> b/drivers/net/virtio/virtio_ethdev.c
> index b3086297c0..3ace25ac80 100644
> --- a/drivers/net/virtio/virtio_ethdev.c
> +++ b/drivers/net/virtio/virtio_ethdev.c
> @@ -747,7 +747,7 @@ virtio_dev_close(struct rte_eth_dev *dev)
>
> #ifdef RTE_VIRTIO_USER
> if (hw->bus_type == VIRTIO_BUS_USER)
> - virtio_user_dev_uninit(hw->virtio_user_dev);
> + virtio_user_dev_uninit(dev->data->dev_private);
> else
> #endif
> if (dev->device) {
> diff --git a/drivers/net/virtio/virtio_pci.h b/drivers/net/virtio/virtio_pci.h
> index 6388f0a74d..b35a596169 100644
> --- a/drivers/net/virtio/virtio_pci.h
> +++ b/drivers/net/virtio/virtio_pci.h
> @@ -277,7 +277,6 @@ struct virtio_hw {
> uint16_t *notify_base;
> struct virtio_pci_common_cfg *common_cfg;
> struct virtio_net_config *dev_cfg;
> - void *virtio_user_dev;
> /*
> * App management thread and virtio interrupt handler thread
> * both can change device state, this lock is meant to avoid
> diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.h
> b/drivers/net/virtio/virtio_user/virtio_user_dev.h
> index e053897d8f..59f4dd1f24 100644
> --- a/drivers/net/virtio/virtio_user/virtio_user_dev.h
> +++ b/drivers/net/virtio/virtio_user/virtio_user_dev.h
> @@ -24,6 +24,7 @@ struct virtio_user_queue {
> };
>
> struct virtio_user_dev {
> + struct virtio_hw hw;
> enum virtio_user_backend_type backend_type;
> /* for vhost_user backend */
> int vhostfd;
> diff --git a/drivers/net/virtio/virtio_user_ethdev.c
> b/drivers/net/virtio/virtio_user_ethdev.c
> index 516d0ee577..1f1f63a1a5 100644
> --- a/drivers/net/virtio/virtio_user_ethdev.c
> +++ b/drivers/net/virtio/virtio_user_ethdev.c
> @@ -26,13 +26,13 @@
> #include "virtio_user/virtio_user_dev.h"
> #include "virtio_user/vhost.h"
>
> -#define virtio_user_get_dev(hw) \
> - ((struct virtio_user_dev *)(hw)->virtio_user_dev)
> +#define virtio_user_get_dev(hw) container_of(hw, struct virtio_user_dev, hw)
>
> static void
> -virtio_user_reset_queues_packed(struct rte_eth_dev *dev)
> +virtio_user_reset_queues_packed(struct rte_eth_dev *eth_dev)
> {
> - struct virtio_hw *hw = dev->data->dev_private;
> + struct virtio_user_dev *dev = eth_dev->data->dev_private;
> + struct virtio_hw *hw = &dev->hw;
> struct virtnet_rx *rxvq;
> struct virtnet_tx *txvq;
> uint16_t i;
> @@ -48,14 +48,14 @@ virtio_user_reset_queues_packed(struct rte_eth_dev *dev)
> rte_delay_ms(1);
>
> /* Vring reset for each Tx queue and Rx queue. */
> - for (i = 0; i < dev->data->nb_rx_queues; i++) {
> - rxvq = dev->data->rx_queues[i];
> + for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
> + rxvq = eth_dev->data->rx_queues[i];
> virtqueue_rxvq_reset_packed(rxvq->vq);
> - virtio_dev_rx_queue_setup_finish(dev, i);
> + virtio_dev_rx_queue_setup_finish(eth_dev, i);
> }
>
> - for (i = 0; i < dev->data->nb_tx_queues; i++) {
> - txvq = dev->data->tx_queues[i];
> + for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
> + txvq = eth_dev->data->tx_queues[i];
> virtqueue_txvq_reset_packed(txvq->vq);
> }
>
> @@ -69,7 +69,7 @@ virtio_user_server_reconnect(struct virtio_user_dev *dev)
> {
> int ret, connectfd, old_status;
> struct rte_eth_dev *eth_dev = &rte_eth_devices[dev->port_id];
> - struct virtio_hw *hw = eth_dev->data->dev_private;
> + struct virtio_hw *hw = &dev->hw;
> uint64_t protocol_features;
>
> connectfd = accept(dev->listenfd, NULL, NULL);
> @@ -605,21 +605,15 @@ virtio_user_eth_dev_alloc(struct rte_vdev_device *vdev)
> struct virtio_hw *hw;
> struct virtio_user_dev *dev;
>
> - eth_dev = rte_eth_vdev_allocate(vdev, sizeof(*hw));
> + eth_dev = rte_eth_vdev_allocate(vdev, sizeof(*dev));
> if (!eth_dev) {
> PMD_INIT_LOG(ERR, "cannot alloc rte_eth_dev");
> return NULL;
> }
>
> data = eth_dev->data;
> - hw = eth_dev->data->dev_private;
> -
> - dev = rte_zmalloc(NULL, sizeof(*dev), 0);
> - if (!dev) {
> - PMD_INIT_LOG(ERR, "malloc virtio_user_dev failed");
> - rte_eth_dev_release_port(eth_dev);
> - return NULL;
> - }
> + dev = eth_dev->data->dev_private;
> + hw = &dev->hw;
>
> hw->port_id = data->port_id;
> dev->port_id = data->port_id;
> @@ -634,17 +628,13 @@ virtio_user_eth_dev_alloc(struct rte_vdev_device *vdev)
> hw->use_vec_tx = 0;
> hw->use_inorder_rx = 0;
> hw->use_inorder_tx = 0;
> - hw->virtio_user_dev = dev;
> +
> 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_eth_dev_release_port(eth_dev);
> }
>
> @@ -653,11 +643,12 @@ virtio_user_eth_dev_free(struct rte_eth_dev *eth_dev)
> * Returns 0 on success.
> */
> static int
> -virtio_user_pmd_probe(struct rte_vdev_device *dev)
> +virtio_user_pmd_probe(struct rte_vdev_device *vdev)
> {
> struct rte_kvargs *kvlist = NULL;
> struct rte_eth_dev *eth_dev;
> struct virtio_hw *hw;
> + struct virtio_user_dev *dev;
> enum virtio_user_backend_type backend_type = VIRTIO_USER_BACKEND_UNKNOWN;
> uint64_t queues = VIRTIO_USER_DEF_Q_NUM;
> uint64_t cq = VIRTIO_USER_DEF_CQ_EN;
> @@ -673,7 +664,7 @@ virtio_user_pmd_probe(struct rte_vdev_device *dev)
> int ret = -1;
>
> if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
> - const char *name = rte_vdev_device_name(dev);
> + const char *name = rte_vdev_device_name(vdev);
> eth_dev = rte_eth_dev_attach_secondary(name);
> if (!eth_dev) {
> PMD_INIT_LOG(ERR, "Failed to probe %s", name);
> @@ -687,12 +678,12 @@ virtio_user_pmd_probe(struct rte_vdev_device *dev)
> }
>
> eth_dev->dev_ops = &virtio_user_secondary_eth_dev_ops;
> - eth_dev->device = &dev->device;
> + eth_dev->device = &vdev->device;
> rte_eth_dev_probing_finish(eth_dev);
> return 0;
> }
>
> - kvlist = rte_kvargs_parse(rte_vdev_device_args(dev), valid_args);
> + kvlist = rte_kvargs_parse(rte_vdev_device_args(vdev), valid_args);
> if (!kvlist) {
> PMD_INIT_LOG(ERR, "error when parsing param");
> goto end;
> @@ -832,14 +823,15 @@ virtio_user_pmd_probe(struct rte_vdev_device *dev)
> }
> }
>
> - eth_dev = virtio_user_eth_dev_alloc(dev);
> + eth_dev = virtio_user_eth_dev_alloc(vdev);
> if (!eth_dev) {
> PMD_INIT_LOG(ERR, "virtio_user fails to alloc device");
> goto end;
> }
>
> - hw = eth_dev->data->dev_private;
> - if (virtio_user_dev_init(hw->virtio_user_dev, path, queues, cq,
> + dev = eth_dev->data->dev_private;
> + hw = &dev->hw;
> + if (virtio_user_dev_init(dev, path, queues, cq,
> queue_size, mac_addr, &ifname, server_mode,
> mrg_rxbuf, in_order, packed_vq, backend_type) < 0) {
> PMD_INIT_LOG(ERR, "virtio_user_dev_init fails");
> @@ -912,7 +904,6 @@ static int virtio_user_pmd_dma_map(struct rte_vdev_device
> *vdev, void *addr,
> const char *name;
> struct rte_eth_dev *eth_dev;
> struct virtio_user_dev *dev;
> - struct virtio_hw *hw;
>
> if (!vdev)
> return -EINVAL;
> @@ -923,8 +914,7 @@ static int virtio_user_pmd_dma_map(struct rte_vdev_device
> *vdev, void *addr,
> if (!eth_dev)
> return 0;
>
> - hw = (struct virtio_hw *)eth_dev->data->dev_private;
> - dev = hw->virtio_user_dev;
> + dev = eth_dev->data->dev_private;
>
> if (dev->ops->dma_map)
> return dev->ops->dma_map(dev, addr, iova, len);
> @@ -938,7 +928,6 @@ static int virtio_user_pmd_dma_unmap(struct
> rte_vdev_device *vdev, void *addr,
> const char *name;
> struct rte_eth_dev *eth_dev;
> struct virtio_user_dev *dev;
> - struct virtio_hw *hw;
>
> if (!vdev)
> return -EINVAL;
> @@ -949,8 +938,7 @@ static int virtio_user_pmd_dma_unmap(struct
> rte_vdev_device *vdev, void *addr,
> if (!eth_dev)
> return 0;
>
> - hw = (struct virtio_hw *)eth_dev->data->dev_private;
> - dev = hw->virtio_user_dev;
> + dev = eth_dev->data->dev_private;
>
> if (dev->ops->dma_unmap)
> return dev->ops->dma_unmap(dev, addr, iova, len);
> --
> 2.29.2
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
next prev parent reply other threads:[~2020-12-30 3:03 UTC|newest]
Thread overview: 149+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-20 21:13 [dpdk-dev] [PATCH 00/40] net/virtio: Virtio PMD rework Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 01/40] bus/vdev: add helper to get vdev from eth dev Maxime Coquelin
2020-12-30 3:02 ` Xia, Chenbo
2021-01-05 21:15 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 02/40] net/virtio: Introduce Virtio bus type Maxime Coquelin
2020-12-30 3:02 ` Xia, Chenbo
2021-01-05 21:15 ` David Marchand
2021-01-14 9:24 ` Maxime Coquelin
2021-01-14 10:54 ` Maxime Coquelin
2021-01-14 11:55 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 03/40] net/virtio: refactor virtio-user device Maxime Coquelin
2020-12-30 3:02 ` Xia, Chenbo [this message]
2021-01-05 21:16 ` David Marchand
2021-01-14 9:26 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 04/40] net/virtio: introduce PCI device metadata Maxime Coquelin
2020-12-30 3:02 ` Xia, Chenbo
2021-01-05 21:16 ` David Marchand
2021-01-14 11:05 ` Maxime Coquelin
2021-01-14 14:40 ` David Marchand
2021-01-14 14:44 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 05/40] net/virtio: move PCI device init in dedicated file Maxime Coquelin
2020-12-30 3:02 ` Xia, Chenbo
2021-01-05 21:19 ` David Marchand
2021-01-14 16:04 ` Maxime Coquelin
2021-01-14 16:14 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 06/40] net/virtio: move PCI specific dev init to PCI ethdev init Maxime Coquelin
2020-12-30 3:05 ` Xia, Chenbo
2021-01-06 8:58 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 07/40] net/virtio: move MSIX detection to PCI ethdev Maxime Coquelin
2020-12-30 3:05 ` Xia, Chenbo
2021-01-06 8:22 ` David Marchand
2021-01-14 17:19 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 08/40] net/virtio: force IOVA as VA mode for Virtio-user Maxime Coquelin
2020-12-30 3:06 ` Xia, Chenbo
2021-01-06 9:06 ` David Marchand
2021-01-06 9:11 ` Thomas Monjalon
2021-01-06 9:22 ` Maxime Coquelin
2021-01-06 16:37 ` Kinsella, Ray
2021-01-06 9:14 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 09/40] net/virtio: store PCI type in Virtio device metadata Maxime Coquelin
2020-12-30 3:07 ` Xia, Chenbo
2021-01-06 9:14 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 10/40] net/virtio: add callback for device closing Maxime Coquelin
2020-12-30 3:07 ` Xia, Chenbo
2021-01-06 9:33 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 11/40] net/virtio: validate features at bus level Maxime Coquelin
2020-12-30 3:08 ` Xia, Chenbo
2021-01-06 9:33 ` David Marchand
2021-01-15 9:20 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 12/40] net/virtio: remove bus type enum Maxime Coquelin
2020-12-30 3:08 ` Xia, Chenbo
2021-01-06 9:33 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 13/40] net/virtio: move PCI-specific fields to PCI device Maxime Coquelin
2020-12-30 3:08 ` Xia, Chenbo
2021-01-06 9:58 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 14/40] net/virtio: pack virtio HW struct Maxime Coquelin
2020-12-30 3:09 ` Xia, Chenbo
2021-01-06 9:58 ` David Marchand
2021-01-15 9:35 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 15/40] net/virtio: move legacy IO to Virtio PCI Maxime Coquelin
2020-12-30 3:09 ` Xia, Chenbo
2021-01-06 10:09 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 16/40] net/virtio: introduce generic virtio header Maxime Coquelin
2020-12-30 3:09 ` Xia, Chenbo
2021-01-06 10:08 ` David Marchand
2021-01-15 9:39 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 17/40] net/virtio: move features definition to generic header Maxime Coquelin
2020-12-30 3:14 ` Xia, Chenbo
2021-01-14 8:40 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 18/40] net/virtio: move virtqueue defines in " Maxime Coquelin
2020-12-30 3:14 ` Xia, Chenbo
2021-01-06 15:53 ` David Marchand
2021-01-15 10:55 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 19/40] net/virtio: move config definitions to " Maxime Coquelin
2020-12-30 3:15 ` Xia, Chenbo
2021-01-06 16:01 ` David Marchand
2021-01-15 11:01 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 20/40] net/virtio: make interrupt handling more generic Maxime Coquelin
2020-12-30 3:17 ` Xia, Chenbo
2021-01-14 8:43 ` Maxime Coquelin
2021-01-06 16:07 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 21/40] net/virtio: move vring alignment to generic header Maxime Coquelin
2020-12-30 3:18 ` Xia, Chenbo
2021-01-06 16:13 ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 22/40] net/virtio: remove last PCI refs in non-PCI code Maxime Coquelin
2020-12-30 3:25 ` Xia, Chenbo
2021-01-14 8:46 ` Maxime Coquelin
2021-01-06 16:18 ` David Marchand
2021-01-15 11:10 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 23/40] net/virtio: make Vhost-user req sender consistent Maxime Coquelin
2021-01-06 11:50 ` Xia, Chenbo
2021-01-15 9:47 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 24/40] net/virtio: add Virtio-user ops to set owner Maxime Coquelin
2021-01-06 11:50 ` Xia, Chenbo
2020-12-20 21:13 ` [dpdk-dev] [PATCH 25/40] net/virtio: add Virtio-user features ops Maxime Coquelin
2021-01-06 11:54 ` Xia, Chenbo
2021-01-13 13:43 ` Adrian Moreno
2021-01-13 13:54 ` Maxime Coquelin
2021-01-15 14:19 ` Maxime Coquelin
2021-01-13 13:57 ` Adrian Moreno
2021-01-15 14:29 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 26/40] net/virtio: add Virtio-user protocol " Maxime Coquelin
2021-01-06 11:55 ` Xia, Chenbo
2020-12-20 21:13 ` [dpdk-dev] [PATCH 27/40] net/virtio: add Virtio-user memory tables ops Maxime Coquelin
2021-01-06 11:57 ` Xia, Chenbo
2021-01-15 9:57 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 28/40] net/virtio: add Virtio-user vring setting ops Maxime Coquelin
2021-01-05 21:24 ` David Marchand
2021-01-06 12:01 ` Xia, Chenbo
2021-01-15 10:12 ` Maxime Coquelin
2021-01-06 12:03 ` Xia, Chenbo
2021-01-15 10:15 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 29/40] net/virtio: add Virtio-user vring file ops Maxime Coquelin
2021-01-05 21:24 ` David Marchand
2021-01-06 12:04 ` Xia, Chenbo
2021-01-15 10:17 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 30/40] net/virtio: add Virtio-user vring address ops Maxime Coquelin
2021-01-06 12:06 ` Xia, Chenbo
2021-01-15 10:19 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 31/40] net/virtio: add Virtio-user status ops Maxime Coquelin
2021-01-06 12:09 ` Xia, Chenbo
2021-01-15 10:48 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 32/40] net/virtio: remove useless request ops Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 33/40] net/virtio: improve Virtio-user errors handling Maxime Coquelin
2021-01-07 2:26 ` Xia, Chenbo
2021-01-15 11:09 ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 34/40] net/virtio: move Vhost-user reqs to Vhost-user backend Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 35/40] net/virtio: make server mode blocking Maxime Coquelin
2021-01-07 3:20 ` Xia, Chenbo
2021-01-15 11:13 ` Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 36/40] net/virtio: move protocol features to Vhost-user Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 37/40] net/virtio: introduce backend data Maxime Coquelin
2021-01-05 21:26 ` David Marchand
2021-01-13 17:18 ` Adrian Moreno
2021-01-15 16:49 ` Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 38/40] net/virtio: move Vhost-user specifics to its backend Maxime Coquelin
2021-01-07 6:32 ` Xia, Chenbo
2021-01-15 12:03 ` Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 39/40] net/virtio: move Vhost-kernel data " Maxime Coquelin
2021-01-07 6:42 ` Xia, Chenbo
2021-01-11 8:02 ` Xia, Chenbo
2021-01-15 11:54 ` Maxime Coquelin
2021-01-18 20:36 ` Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 40/40] net/virtio: move Vhost-vDPA " Maxime Coquelin
2020-12-22 15:20 ` Maxime Coquelin
2021-01-07 6:50 ` Xia, Chenbo
2021-01-15 12:08 ` Maxime Coquelin
2021-01-11 8:05 ` Xia, Chenbo
2020-12-21 10:58 ` [dpdk-dev] [PATCH 00/40] net/virtio: Virtio PMD rework Maxime Coquelin
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