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authorCindy Lu <lulu@redhat.com>2020-07-01 22:55:37 +0800
committerMichael S. Tsirkin <mst@redhat.com>2020-07-07 07:59:51 -0400
commit108a64818e69be0a97cde3838d768f2d9910c08b (patch)
treea60b587a2ff2b704dac731d9886bc8c30c7d0d0c /qapi
parent38140cc4d9713dc9af78090503105bf9c82b6bff (diff)
vhost-vdpa: introduce vhost-vdpa backend
Currently we have 2 types of vhost backends in QEMU: vhost kernel and vhost-user. The above patch provides a generic device for vDPA purpose, this vDPA device exposes to user space a non-vendor-specific configuration interface for setting up a vhost HW accelerator, this patch set introduces a third vhost backend called vhost-vdpa based on the vDPA interface. Vhost-vdpa usage: qemu-system-x86_64 -cpu host -enable-kvm \ ...... -netdev type=vhost-vdpa,vhostdev=/dev/vhost-vdpa-id,id=vhost-vdpa0 \ -device virtio-net-pci,netdev=vhost-vdpa0,page-per-vq=on \ Signed-off-by: Lingshan zhu <lingshan.zhu@intel.com> Signed-off-by: Tiwei Bie <tiwei.bie@intel.com> Signed-off-by: Cindy Lu <lulu@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Message-Id: <20200701145538.22333-14-lulu@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'qapi')
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