[dpdk-dev] [PATCH 04/40] net/virtio: introduce PCI device metadata

[Xia, Chenbo]

> -----Original Message-----
> From: Maxime Coquelin <maxime.coquelin at redhat.com>
> Sent: Monday, December 21, 2020 5:13 AM
> To: dev at dpdk.org; Xia, Chenbo <chenbo.xia at intel.com>; olivier.matz at 6wind.com;
> amorenoz at redhat.com; david.marchand at redhat.com
> Cc: Maxime Coquelin <maxime.coquelin at redhat.com>
> Subject: [PATCH 04/40] net/virtio: introduce PCI device metadata
> 
> This patch initiate refactoring of Virtio PCI, by introducing
> a new device structure for PCI-specific metadata.
> 
> Signed-off-by: Maxime Coquelin <maxime.coquelin at redhat.com>
> ---
>  drivers/net/virtio/virtio_ethdev.c | 2 +-
>  drivers/net/virtio/virtio_pci.h    | 5 +++++
>  2 files changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/virtio/virtio_ethdev.c
> b/drivers/net/virtio/virtio_ethdev.c
> index 3ace25ac80..99a5a1bb88 100644
> --- a/drivers/net/virtio/virtio_ethdev.c
> +++ b/drivers/net/virtio/virtio_ethdev.c
> @@ -2151,7 +2151,7 @@ static int eth_virtio_pci_probe(struct rte_pci_driver
> *pci_drv __rte_unused,
>  	if (vdpa == 1)
>  		return 1;
> 
> -	return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct virtio_hw),
> +	return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct
> virtio_pci_dev),
>  		eth_virtio_dev_init);
>  }
> 
> diff --git a/drivers/net/virtio/virtio_pci.h b/drivers/net/virtio/virtio_pci.h
> index b35a596169..8d3dc0e22e 100644
> --- a/drivers/net/virtio/virtio_pci.h
> +++ b/drivers/net/virtio/virtio_pci.h
> @@ -289,6 +289,11 @@ struct virtio_hw {
>  	struct virtqueue **vqs;
>  };
> 
> +struct virtio_pci_dev {
> +	struct virtio_hw hw;
> +};
> +
> +#define virtio_pci_get_dev(hw) container_of(hw, struct virtio_pci_dev, hw)
> 
>  /*
>   * While virtio_hw is stored in shared memory, this structure stores
> --
> 2.29.2

Reviewed-by: Chenbo Xia <chenbo.xia at intel.com>