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virtio-net: add support for configure interrupt 

Add functions to support configure interrupt in virtio_net
Add the functions to support vhost_net_config_pending
and vhost_net_config_mask.

Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20221222070451.936503-9-lulu@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
master
Cindy Lu 2022-12-22 15:04:49 +08:00 committed by Michael S. Tsirkin
parent f9a09ca3ea
commit 8aab0d1dbe
4 changed files with 22 additions and 2 deletions
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9
hw/net/vhost_net-stub.c
View File

@ -82,6 +82,15 @@ void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
{
}
bool vhost_net_config_pending(VHostNetState *net)
{
return false;
}
void vhost_net_config_mask(VHostNetState *net, VirtIODevice *dev, bool mask)
{
}
int vhost_net_notify_migration_done(struct vhost_net *net, char* mac_addr)
{
return -1;

9
hw/net/vhost_net.c
View File

@ -487,6 +487,15 @@ void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
vhost_virtqueue_mask(&net->dev, dev, idx, mask);
}
bool vhost_net_config_pending(VHostNetState *net)
{
return vhost_config_pending(&net->dev);
}
void vhost_net_config_mask(VHostNetState *net, VirtIODevice *dev, bool mask)
{
vhost_config_mask(&net->dev, dev, mask);
}
VHostNetState *get_vhost_net(NetClientState *nc)
{
VHostNetState *vhost_net = 0;

4
hw/net/virtio-net.c
View File

@ -3332,7 +3332,7 @@ static bool virtio_net_guest_notifier_pending(VirtIODevice *vdev, int idx)
*/
if (idx == VIRTIO_CONFIG_IRQ_IDX) {
return false;
return vhost_net_config_pending(get_vhost_net(nc->peer));
}
return vhost_net_virtqueue_pending(get_vhost_net(nc->peer), idx);
}
@ -3364,9 +3364,9 @@ static void virtio_net_guest_notifier_mask(VirtIODevice *vdev, int idx,
*/
if (idx == VIRTIO_CONFIG_IRQ_IDX) {
vhost_net_config_mask(get_vhost_net(nc->peer), vdev, mask);
return;
}
vhost_net_virtqueue_mask(get_vhost_net(nc->peer), vdev, idx, mask);
}

2
include/net/vhost_net.h
View File

@ -39,6 +39,8 @@ int vhost_net_set_config(struct vhost_net *net, const uint8_t *data,
bool vhost_net_virtqueue_pending(VHostNetState *net, int n);
void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
int idx, bool mask);
bool vhost_net_config_pending(VHostNetState *net);
void vhost_net_config_mask(VHostNetState *net, VirtIODevice *dev, bool mask);
int vhost_net_notify_migration_done(VHostNetState *net, char* mac_addr);
VHostNetState *get_vhost_net(NetClientState *nc);