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Date: Wed, 4 Jul 2018 13:37:33 +0800
From: Tiwei Bie <tiwei.bie@intel.com>
To: Maxime Coquelin <maxime.coquelin@redhat.com>
Cc: zhihong.wang@intel.com, jfreimann@redhat.com, dev@dpdk.org,
mst@redhat.com, jasowang@redhat.com, wexu@redhat.com
Message-ID: <20180704053733.GA28826@debian>
References: <20180702081629.29258-1-maxime.coquelin@redhat.com>
<20180702081629.29258-2-maxime.coquelin@redhat.com>
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Subject: Re: [dpdk-dev] [PATCH v6 01/15] vhost: add virtio packed virtqueue
defines
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On Mon, Jul 02, 2018 at 10:16:15AM +0200, Maxime Coquelin wrote:
> From: Jens Freimann <jfreimann@redhat.com>
>
> Signed-off-by: Jens Freimann <jfreimann@redhat.com>
> ---
> lib/librte_vhost/vhost.h | 3 +++
> lib/librte_vhost/virtio-packed.h | 22 ++++++++++++++++++++++
> 2 files changed, 25 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..cecd5c1ee 100644
> --- a/lib/librte_vhost/vhost.h
> +++ b/lib/librte_vhost/vhost.h
> @@ -191,6 +191,9 @@ 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
>
> /* 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)
Please use space or tab consistently.
> +
> +struct vring_desc_packed {
> + uint64_t addr;
> + uint32_t len;
> + uint16_t index;
> + uint16_t flags;
> +};
> +
> +#endif /* __VIRTIO_PACKED_H */
> --
> 2.14.4
>