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net/virtio: remove bus type enum

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Bus type awareness at the generic ethdev level is no
more needed as previous patches have made it bus-agnostic.

This patch removes it from struct virtio_hw.

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>
This commit is contained in:
Maxime Coquelin 2021-01-26 11:16:09 +01:00 committed by Ferruh Yigit
parent cbb135b39a
commit c4fa9cc7c5
5 changed files with 10 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/net/virtio/virtio_ethdev.c
View File

@ -1798,23 +1798,6 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features)
return 0;
}
static void
virtio_set_vtpci_ops(struct virtio_hw *hw)
{
#ifdef RTE_VIRTIO_USER
if (hw->bus_type == VIRTIO_BUS_USER)
VTPCI_OPS(hw) = &virtio_user_ops;
else
#endif
if (hw->bus_type == VIRTIO_BUS_PCI_MODERN)
VTPCI_OPS(hw) = &modern_ops;
else if (hw->bus_type == VIRTIO_BUS_PCI_LEGACY)
VTPCI_OPS(hw) = &legacy_ops;
return;
}
/*
* This function is based on probe() function in virtio_pci.c
* It returns 0 on success.
@ -1840,7 +1823,6 @@ eth_virtio_dev_init(struct rte_eth_dev *eth_dev)
eth_dev->rx_descriptor_done = virtio_dev_rx_queue_done;
if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
virtio_set_vtpci_ops(hw);
set_rxtx_funcs(eth_dev);
return 0;
}

2
drivers/net/virtio/virtio_pci.c
View File

@ -809,7 +809,6 @@ vtpci_init(struct rte_pci_device *pci_dev, struct virtio_pci_dev *dev)
if (virtio_read_caps(pci_dev, hw) == 0) {
PMD_INIT_LOG(INFO, "modern virtio pci detected.");
virtio_hw_internal[hw->port_id].vtpci_ops = &modern_ops;
hw->bus_type = VIRTIO_BUS_PCI_MODERN;
dev->modern = true;
goto msix_detect;
}
@ -829,7 +828,6 @@ vtpci_init(struct rte_pci_device *pci_dev, struct virtio_pci_dev *dev)
}
virtio_hw_internal[hw->port_id].vtpci_ops = &legacy_ops;
hw->bus_type = VIRTIO_BUS_PCI_LEGACY;
dev->modern = false;
msix_detect:

8
drivers/net/virtio/virtio_pci.h
View File

@ -246,15 +246,7 @@ struct virtio_pci_ops {
struct virtio_net_config;
enum virtio_bus_type {
VIRTIO_BUS_UNKNOWN,
VIRTIO_BUS_PCI_LEGACY,
VIRTIO_BUS_PCI_MODERN,
VIRTIO_BUS_USER,
};
struct virtio_hw {
enum virtio_bus_type bus_type;
struct virtnet_ctl *cvq;
uint64_t req_guest_features;
uint64_t guest_features;

7
drivers/net/virtio/virtio_pci_ethdev.c
View File

@ -84,6 +84,11 @@ eth_virtio_pci_init(struct rte_eth_dev *eth_dev)
return -1;
}
} else {
if (dev->modern)
VTPCI_OPS(hw) = &modern_ops;
else
VTPCI_OPS(hw) = &legacy_ops;
ret = virtio_remap_pci(RTE_ETH_DEV_TO_PCI(eth_dev), dev);
if (ret < 0) {
PMD_INIT_LOG(ERR, "Failed to remap PCI device\n");
@ -105,7 +110,7 @@ eth_virtio_pci_init(struct rte_eth_dev *eth_dev)
err_unmap:
rte_pci_unmap_device(RTE_ETH_DEV_TO_PCI(eth_dev));
if (hw->bus_type == VIRTIO_BUS_PCI_LEGACY)
if (!dev->modern)
rte_pci_ioport_unmap(VTPCI_IO(hw));
return ret;

5
drivers/net/virtio/virtio_user_ethdev.c
View File

@ -641,7 +641,6 @@ virtio_user_eth_dev_alloc(struct rte_vdev_device *vdev)
* Here just pretend that we support msix.
*/
hw->use_msix = 1;
hw->bus_type = VIRTIO_BUS_USER;
hw->use_vec_rx = 0;
hw->use_vec_tx = 0;
hw->use_inorder_rx = 0;
@ -691,6 +690,10 @@ virtio_user_pmd_probe(struct rte_vdev_device *vdev)
return -1;
}
dev = eth_dev->data->dev_private;
hw = &dev->hw;
VTPCI_OPS(hw) = &virtio_user_ops;
if (eth_virtio_dev_init(eth_dev) < 0) {
PMD_INIT_LOG(ERR, "eth_virtio_dev_init fails");
rte_eth_dev_release_port(eth_dev);