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net/virtio: do not depend on PCI device of ethdev

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We don't need to depend on rte_eth_dev->pci_dev to differentiate between
the virtio_user and the virtio_pci case. Instead we can use the private
virtio_hw struct to get that information.

Signed-off-by: Jan Blunck <jblunck@infradead.org>
Acked-by: Shreyansh Jain <shreyansh.jain@nxp.com>
This commit is contained in:
Jan Blunck 2016-12-23 16:58:02 +01:00 committed by Thomas Monjalon
parent f5880e1f29
commit 6a7c0dfcdf
1 changed files with 12 additions and 12 deletions
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24
drivers/net/virtio/virtio_ethdev.c
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@ -483,11 +483,11 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t vtpci_queue_idx)
hw->cvq = cvq;
}
/* For virtio_user case (that is when dev->pci_dev is NULL), we use
/* For virtio_user case (that is when hw->dev is NULL), we use
* virtual address. And we need properly set _offset_, please see
* VIRTIO_MBUF_DATA_DMA_ADDR in virtqueue.h for more information.
*/
if (dev->pci_dev)
if (hw->dev)
vq->offset = offsetof(struct rte_mbuf, buf_physaddr);
else {
vq->vq_ring_mem = (uintptr_t)mz->addr;
@ -1190,7 +1190,7 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features)
struct virtio_hw *hw = eth_dev->data->dev_private;
struct virtio_net_config *config;
struct virtio_net_config local_config;
struct rte_pci_device *pci_dev = eth_dev->pci_dev;
struct rte_pci_device *pci_dev = hw->dev;
int ret;
/* Reset the device although not necessary at startup */
@ -1210,7 +1210,8 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features)
else
eth_dev->data->dev_flags |= RTE_ETH_DEV_INTR_LSC;
rte_eth_copy_pci_info(eth_dev, pci_dev);
if (pci_dev)
rte_eth_copy_pci_info(eth_dev, pci_dev);
rx_func_get(eth_dev);
@ -1294,7 +1295,6 @@ int
eth_virtio_dev_init(struct rte_eth_dev *eth_dev)
{
struct virtio_hw *hw = eth_dev->data->dev_private;
struct rte_pci_device *pci_dev;
uint32_t dev_flags = RTE_ETH_DEV_DETACHABLE;
int ret;
@ -1317,10 +1317,11 @@ eth_virtio_dev_init(struct rte_eth_dev *eth_dev)
return -ENOMEM;
}
pci_dev = eth_dev->pci_dev;
if (pci_dev) {
ret = vtpci_init(pci_dev, hw, &dev_flags);
/* For virtio_user case the hw->virtio_user_dev is populated by
* virtio_user_eth_dev_alloc() before eth_virtio_dev_init() is called.
*/
if (!hw->virtio_user_dev) {
ret = vtpci_init(eth_dev->pci_dev, hw, &dev_flags);
if (ret)
return ret;
}
@ -1343,7 +1344,6 @@ eth_virtio_dev_init(struct rte_eth_dev *eth_dev)
static int
eth_virtio_dev_uninit(struct rte_eth_dev *eth_dev)
{
struct rte_pci_device *pci_dev;
struct virtio_hw *hw = eth_dev->data->dev_private;
PMD_INIT_FUNC_TRACE();
@ -1353,7 +1353,6 @@ eth_virtio_dev_uninit(struct rte_eth_dev *eth_dev)
virtio_dev_stop(eth_dev);
virtio_dev_close(eth_dev);
pci_dev = eth_dev->pci_dev;
eth_dev->dev_ops = NULL;
eth_dev->tx_pkt_burst = NULL;
@ -1367,7 +1366,8 @@ eth_virtio_dev_uninit(struct rte_eth_dev *eth_dev)
rte_intr_callback_unregister(vtpci_intr_handle(hw),
virtio_interrupt_handler,
eth_dev);
rte_eal_pci_unmap_device(pci_dev);
if (hw->dev)
rte_eal_pci_unmap_device(hw->dev);
PMD_INIT_LOG(DEBUG, "dev_uninit completed");