Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20220120-1' into...
[qemu.git] / include / net / vhost_net.h
1 #ifndef VHOST_NET_H
2 #define VHOST_NET_H
3
4 #include "net/net.h"
5 #include "hw/virtio/vhost-backend.h"
6
7 #define VHOST_NET_INIT_FAILED \
8 "vhost-net requested but could not be initialized"
9
10 struct vhost_net;
11 typedef struct vhost_net VHostNetState;
12
13 typedef struct VhostNetOptions {
14 VhostBackendType backend_type;
15 NetClientState *net_backend;
16 uint32_t busyloop_timeout;
17 unsigned int nvqs;
18 void *opaque;
19 } VhostNetOptions;
20
21 uint64_t vhost_net_get_max_queues(VHostNetState *net);
22 struct vhost_net *vhost_net_init(VhostNetOptions *options);
23
24 int vhost_net_start(VirtIODevice *dev, NetClientState *ncs,
25 int data_queue_pairs, int cvq);
26 void vhost_net_stop(VirtIODevice *dev, NetClientState *ncs,
27 int data_queue_pairs, int cvq);
28
29 void vhost_net_cleanup(VHostNetState *net);
30
31 uint64_t vhost_net_get_features(VHostNetState *net, uint64_t features);
32 void vhost_net_ack_features(VHostNetState *net, uint64_t features);
33
34 int vhost_net_get_config(struct vhost_net *net, uint8_t *config,
35 uint32_t config_len);
36
37 int vhost_net_set_config(struct vhost_net *net, const uint8_t *data,
38 uint32_t offset, uint32_t size, uint32_t flags);
39 bool vhost_net_virtqueue_pending(VHostNetState *net, int n);
40 void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
41 int idx, bool mask);
42 int vhost_net_notify_migration_done(VHostNetState *net, char* mac_addr);
43 VHostNetState *get_vhost_net(NetClientState *nc);
44
45 int vhost_set_vring_enable(NetClientState * nc, int enable);
46
47 uint64_t vhost_net_get_acked_features(VHostNetState *net);
48
49 int vhost_net_set_mtu(struct vhost_net *net, uint16_t mtu);
50
51 #endif