[dpdk-dev] [PATCH v3 11/21] vhost: add virtio 1.1 defines

[Maxime Coquelin]

On 04/05/2018 12:10 PM, Jens Freimann wrote:
> This should actually be in the kernel header file, but it isn't
> yet. For now let's use our own headers.

I think it is not just temporary, as we will always want to be able to
build with older kernels.

> Signed-off-by: Jens Freimann <jfreimann at redhat.com>
> ---
>   lib/librte_vhost/vhost.h      |  4 ++++
>   lib/librte_vhost/virtio-1.1.h | 18 ++++++++++++++++++
>   2 files changed, 22 insertions(+)
>   create mode 100644 lib/librte_vhost/virtio-1.1.h
> 
> diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
> index c14a90529..3004c26c1 100644
> --- a/lib/librte_vhost/vhost.h
> +++ b/lib/librte_vhost/vhost.h
> @@ -177,6 +177,10 @@ struct vhost_msg {
>   #ifndef VIRTIO_F_VERSION_1
>    #define VIRTIO_F_VERSION_1 32
>   #endif
> +#ifndef VIRTIO_F_RING_PACKED
> + #define VIRTIO_F_RING_PACKED 34
> +#endif
> +#define VHOST_USER_F_PROTOCOL_FEATURES	30
>   
>   /* Features supported by this builtin vhost-user net driver. */
>   #define VIRTIO_NET_SUPPORTED_FEATURES ((1ULL << VIRTIO_NET_F_MRG_RXBUF) | \
> diff --git a/lib/librte_vhost/virtio-1.1.h b/lib/librte_vhost/virtio-1.1.h
> new file mode 100644
> index 000000000..7b48caed7
> --- /dev/null
> +++ b/lib/librte_vhost/virtio-1.1.h
> @@ -0,0 +1,18 @@

You need to add a license for the file.

> +#ifndef __VIRTIO_PACKED_H
> +#define __VIRTIO_PACKED_H
> +
> +#define VRING_DESC_F_NEXT       1
> +#define VRING_DESC_F_WRITE      2
> +#define VRING_DESC_F_INDIRECT   4
> +
> +#define VRING_DESC_F_AVAIL      (1ULL << 7)
> +#define VRING_DESC_F_USED	(1ULL << 15)
> +
> +struct vring_desc_packed {
> +	uint64_t addr;
> +	uint32_t len;
> +	uint16_t index;
> +	uint16_t flags;
> +};
> +
> +#endif /* __VIRTIO_PACKED_H */
>