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 void vhost_net_virtqueue_reset(VirtIODevice *vdev, NetClientState *nc, 52 int vq_index); 53 int vhost_net_virtqueue_restart(VirtIODevice *vdev, NetClientState *nc, 54 int vq_index); 55 #endif 56