7263a0ad78
Add a new message, VHOST_USER_SET_VRING_ENABLE, to enable or disable a specific virt queue, which is similar to attach/detach queue for tap device. virtio driver on guest doesn't have to use max virt queue pair, it could enable any number of virt queue ranging from 1 to max virt queue pair. Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com> Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com> Reviewed-by: Jason Wang <jasowang@redhat.com> Tested-by: Marcel Apfelbaum <marcel@redhat.com>
34 lines
1 KiB
C
34 lines
1 KiB
C
#ifndef VHOST_NET_H
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#define VHOST_NET_H
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#include "net/net.h"
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#include "hw/virtio/vhost-backend.h"
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struct vhost_net;
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typedef struct vhost_net VHostNetState;
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typedef struct VhostNetOptions {
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VhostBackendType backend_type;
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NetClientState *net_backend;
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void *opaque;
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} VhostNetOptions;
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uint64_t vhost_net_get_max_queues(VHostNetState *net);
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struct vhost_net *vhost_net_init(VhostNetOptions *options);
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int vhost_net_start(VirtIODevice *dev, NetClientState *ncs, int total_queues);
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void vhost_net_stop(VirtIODevice *dev, NetClientState *ncs, int total_queues);
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void vhost_net_cleanup(VHostNetState *net);
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uint64_t vhost_net_get_features(VHostNetState *net, uint64_t features);
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void vhost_net_ack_features(VHostNetState *net, uint64_t features);
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bool vhost_net_virtqueue_pending(VHostNetState *net, int n);
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void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
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int idx, bool mask);
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VHostNetState *get_vhost_net(NetClientState *nc);
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int vhost_set_vring_enable(NetClientState * nc, int enable);
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#endif
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