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Subject: Re: [RFC 1/2] vhost: IFC VF hardware operation layer
To:     Zhu Lingshan <lingshan.zhu@intel.com>, mst@redhat.com,
        alex.williamson@redhat.com
Cc:     linux-kernel@vger.kernel.org,
        virtualization@lists.linux-foundation.org, kvm@vger.kernel.org,
        netdev@vger.kernel.org, dan.daly@intel.com,
        cunming.liang@intel.com, tiwei.bie@intel.com, jason.zeng@intel.com,
        zhiyuan.lv@intel.com
References: <20191016013050.3918-1-lingshan.zhu@intel.com>
 <20191016013050.3918-2-lingshan.zhu@intel.com>
From:   Jason Wang <jasowang@redhat.com>
Message-ID: <2d711b6b-3bdc-afaa-8110-beebd6c5a896@redhat.com>
Date:   Wed, 16 Oct 2019 16:45:49 +0800
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On 2019/10/16 上午9:30, Zhu Lingshan wrote:
> + */
> +#define IFCVF_TRANSPORT_F_START 28
> +#define IFCVF_TRANSPORT_F_END   34
> +
> +#define IFC_SUPPORTED_FEATURES \
> +		((1ULL << VIRTIO_NET_F_MAC)			| \
> +		 (1ULL << VIRTIO_F_ANY_LAYOUT)			| \
> +		 (1ULL << VIRTIO_F_VERSION_1)			| \
> +		 (1ULL << VHOST_F_LOG_ALL)			| \


Let's avoid using VHOST_F_LOG_ALL, using the get_mdev_features() instead.


> +		 (1ULL << VIRTIO_NET_F_GUEST_ANNOUNCE)		| \
> +		 (1ULL << VIRTIO_NET_F_CTRL_VQ)			| \
> +		 (1ULL << VIRTIO_NET_F_STATUS)			| \
> +		 (1ULL << VIRTIO_NET_F_MRG_RXBUF)) /* not fully supported */


Why not having VIRTIO_F_IOMMU_PLATFORM and VIRTIO_F_ORDER_PLATFORM?

Thanks