qemu-e2k/include/net/vhost_net.h
Cindy Lu 8aab0d1dbe 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>
2023-01-08 01:54:22 -05:00

60 lines
2.1 KiB
C

#ifndef VHOST_NET_H
#define VHOST_NET_H
#include "net/net.h"
#include "hw/virtio/vhost-backend.h"
#define VHOST_NET_INIT_FAILED \
"vhost-net requested but could not be initialized"
struct vhost_net;
typedef struct vhost_net VHostNetState;
typedef struct VhostNetOptions {
VhostBackendType backend_type;
NetClientState *net_backend;
uint32_t busyloop_timeout;
unsigned int nvqs;
void *opaque;
} VhostNetOptions;
uint64_t vhost_net_get_max_queues(VHostNetState *net);
struct vhost_net *vhost_net_init(VhostNetOptions *options);
int vhost_net_start(VirtIODevice *dev, NetClientState *ncs,
int data_queue_pairs, int cvq);
void vhost_net_stop(VirtIODevice *dev, NetClientState *ncs,
int data_queue_pairs, int cvq);
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);
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);
int vhost_set_vring_enable(NetClientState * nc, int enable);
uint64_t vhost_net_get_acked_features(VHostNetState *net);
int vhost_net_set_mtu(struct vhost_net *net, uint16_t mtu);
void vhost_net_virtqueue_reset(VirtIODevice *vdev, NetClientState *nc,
int vq_index);
int vhost_net_virtqueue_restart(VirtIODevice *vdev, NetClientState *nc,
int vq_index);
void vhost_net_save_acked_features(NetClientState *nc);
#endif