05ba3f63d1
We assume there's no cvq in the past, this is not true when we need control virtqueue support for vhost-user backends. So this patch implements the control virtqueue support for vhost-net. As datapath, the control virtqueue is also required to be coupled with the NetClientState. The vhost_net_start/stop() are tweaked to accept the number of datapath queue pairs plus the the number of control virtqueue for us to start and stop the vhost device. Signed-off-by: Jason Wang <jasowang@redhat.com> Message-Id: <20211020045600.16082-7-jasowang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
52 lines
1.7 KiB
C
52 lines
1.7 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);
|
|
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);
|
|
|
|
#endif
|