Re: [dpdk-dev] [PATCH v5 01/15] vhost: add virtio packed virtqueue defines

[Tiwei Bie <tiwei.bie@intel.com>]

On Fri, Jun 22, 2018 at 03:43:13PM +0200, Maxime Coquelin wrote:
> From: Jens Freimann <jfreimann@redhat.com>
> 
> Signed-off-by: Jens Freimann <jfreimann@redhat.com>
> ---
>  lib/librte_vhost/vhost.h         |  4 ++++
>  lib/librte_vhost/virtio-packed.h | 22 ++++++++++++++++++++++
>  2 files changed, 26 insertions(+)
>  create mode 100644 lib/librte_vhost/virtio-packed.h
> 
> diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
> index 3f8fa3a78..bf2059198 100644
> --- a/lib/librte_vhost/vhost.h
> +++ b/lib/librte_vhost/vhost.h
> @@ -191,6 +191,10 @@ 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

VHOST_USER_F_PROTOCOL_FEATURES has already been
defined in rte_vhost.h which has been included
in this file.

>  
>  /* 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-packed.h b/lib/librte_vhost/virtio-packed.h
> new file mode 100644
> index 000000000..744b3991b
> --- /dev/null
> +++ b/lib/librte_vhost/virtio-packed.h
> @@ -0,0 +1,22 @@
> +/* SPDX-License-Identifier: BSD-3-Clause
> + * Copyright(c) Red Hat Inc.
> + */
> +
> +#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 */
> -- 
> 2.14.4
>