[dpdk-dev] [PATCH 12/40] net/virtio: remove bus type enum
Maxime Coquelin
maxime.coquelin at redhat.com
Sun Dec 20 22:13:37 CET 2020
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 at redhat.com>
---
drivers/net/virtio/virtio_ethdev.c | 15 ---------------
drivers/net/virtio/virtio_pci.c | 2 --
drivers/net/virtio/virtio_pci.h | 8 --------
drivers/net/virtio/virtio_pci_ethdev.c | 7 ++++++-
drivers/net/virtio/virtio_user_ethdev.c | 5 ++++-
5 files changed, 10 insertions(+), 27 deletions(-)
diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 91a93b2b6e..86d8930e78 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1785,20 +1785,6 @@ 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)
-{
- if (hw->bus_type == VIRTIO_BUS_USER)
- VTPCI_OPS(hw) = &virtio_user_ops;
- else 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.
@@ -1824,7 +1810,6 @@ 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;
}
diff --git a/drivers/net/virtio/virtio_pci.c b/drivers/net/virtio/virtio_pci.c
index 3de7980b4f..f9331e37d7 100644
--- a/drivers/net/virtio/virtio_pci.c
+++ b/drivers/net/virtio/virtio_pci.c
@@ -743,7 +743,6 @@ 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;
}
@@ -763,7 +762,6 @@ 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:
diff --git a/drivers/net/virtio/virtio_pci.h b/drivers/net/virtio/virtio_pci.h
index 22c21e6896..a60edc4a93 100644
--- a/drivers/net/virtio/virtio_pci.h
+++ b/drivers/net/virtio/virtio_pci.h
@@ -245,15 +245,7 @@ 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;
diff --git a/drivers/net/virtio/virtio_pci_ethdev.c b/drivers/net/virtio/virtio_pci_ethdev.c
index f513381707..a6d5e2e158 100644
--- a/drivers/net/virtio/virtio_pci_ethdev.c
+++ b/drivers/net/virtio/virtio_pci_ethdev.c
@@ -82,6 +82,11 @@ 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");
@@ -103,7 +108,7 @@ 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;
diff --git a/drivers/net/virtio/virtio_user_ethdev.c b/drivers/net/virtio/virtio_user_ethdev.c
index c93e0e43f5..1420db32be 100644
--- a/drivers/net/virtio/virtio_user_ethdev.c
+++ b/drivers/net/virtio/virtio_user_ethdev.c
@@ -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;
@@ -700,6 +699,10 @@ 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);
--
2.29.2
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