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vhost_net: introduce set_config & get_config 

This patch introduces set_config & get_config  method which allows
vhost_net set/get the config to backend

Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20200701145538.22333-13-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>
This commit is contained in:
Cindy Lu 2020-07-01 22:55:36 +08:00 committed by Michael S. Tsirkin
parent 7a471694a1
commit 38140cc4d9
3 changed files with 26 additions and 0 deletions
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11
hw/net/vhost_net-stub.c
View File

@ -52,6 +52,17 @@ uint64_t vhost_net_get_features(struct vhost_net *net, uint64_t features)
return features;
}
int vhost_net_get_config(struct vhost_net *net, uint8_t *config,
uint32_t config_len)
{
return 0;
}
int vhost_net_set_config(struct vhost_net *net, const uint8_t *data,
uint32_t offset, uint32_t size, uint32_t flags)
{
return 0;
}
void vhost_net_ack_features(struct vhost_net *net, uint64_t features)
{
}

10
hw/net/vhost_net.c
View File

@ -110,6 +110,16 @@ uint64_t vhost_net_get_features(struct vhost_net *net, uint64_t features)
return vhost_get_features(&net->dev, vhost_net_get_feature_bits(net),
features);
}
int vhost_net_get_config(struct vhost_net *net, uint8_t *config,
uint32_t config_len)
{
return vhost_dev_get_config(&net->dev, config, config_len);
}
int vhost_net_set_config(struct vhost_net *net, const uint8_t *data,
uint32_t offset, uint32_t size, uint32_t flags)
{
return vhost_dev_set_config(&net->dev, data, offset, size, flags);
}
void vhost_net_ack_features(struct vhost_net *net, uint64_t features)
{

5
include/net/vhost_net.h
View File

@ -28,6 +28,11 @@ void vhost_net_cleanup(VHostNetState *net);
uint64_t vhost_net_get_features(VHostNetState *net, uint64_t features);
void vhost_net_ack_features(VHostNetState *net, uint64_t features);
int vhost_net_get_config(struct vhost_net *net, uint8_t *config,
uint32_t config_len);
int vhost_net_set_config(struct vhost_net *net, const uint8_t *data,
uint32_t offset, uint32_t size, uint32_t flags);
bool vhost_net_virtqueue_pending(VHostNetState *net, int n);
void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
int idx, bool mask);