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 bool vhost_net_config_pending(VHostNetState *net);
  43 void vhost_net_config_mask(VHostNetState *net, VirtIODevice *dev, bool mask);
  44 int vhost_net_notify_migration_done(VHostNetState *net, char* mac_addr);
  45 VHostNetState *get_vhost_net(NetClientState *nc);
  46
  47 int vhost_set_vring_enable(NetClientState * nc, int enable);
  48
  49 uint64_t vhost_net_get_acked_features(VHostNetState *net);
  50
  51 int vhost_net_set_mtu(struct vhost_net *net, uint16_t mtu);
  52
  53 void vhost_net_virtqueue_reset(VirtIODevice *vdev, NetClientState *nc,
  54                                int vq_index);
  55 int vhost_net_virtqueue_restart(VirtIODevice *vdev, NetClientState *nc,
  56                                 int vq_index);
  57
  58 void vhost_net_save_acked_features(NetClientState *nc);
  59 #endif