[dpdk-dev] [PATCH 04/15] net/virtio: add virtio PCI subsystem device ID declaration

[Tiwei Bie]

On Thu, Aug 29, 2019 at 09:59:49AM +0200, Maxime Coquelin wrote:
> The Virtio PCI susbsytem IDs need to be specified to
> prevent it to probe IFC vDPA VFs.
> 
> Signed-off-by: Maxime Coquelin <maxime.coquelin at redhat.com>
> ---
>  drivers/net/virtio/virtio_pci.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/virtio/virtio_pci.h b/drivers/net/virtio/virtio_pci.h
> index a38cb45ad..56f89a454 100644
> --- a/drivers/net/virtio/virtio_pci.h
> +++ b/drivers/net/virtio/virtio_pci.h
> @@ -19,6 +19,7 @@ struct virtnet_ctl;
>  #define VIRTIO_PCI_VENDORID     0x1AF4
>  #define VIRTIO_PCI_LEGACY_DEVICEID_NET 0x1000
>  #define VIRTIO_PCI_MODERN_DEVICEID_NET 0x1041
> +#define VIRTIO_PCI_SUBSY_DEVICEID_NET 0x1100

0x1100 is the subsystem device ID used by QEMU.
Maybe naming it VIRTIO_PCI_SUBSYS_DEVICEID_QEMU is better?

Regards,
Tiwei

>  
>  /* VirtIO ABI version, this must match exactly. */
>  #define VIRTIO_PCI_ABI_VERSION 0
> -- 
> 2.21.0
>