1 /* 2 * Parent class for vhost-vsock devices 3 * 4 * Copyright 2015-2020 Red Hat, Inc. 5 * 6 * This work is licensed under the terms of the GNU GPL, version 2 or 7 * (at your option) any later version. See the COPYING file in the 8 * top-level directory. 9 */ 10 11 #ifndef _QEMU_VHOST_VSOCK_COMMON_H 12 #define _QEMU_VHOST_VSOCK_COMMON_H 13 14 #include "hw/virtio/virtio.h" 15 #include "hw/virtio/vhost.h" 16 #include "qom/object.h" 17 18 #define TYPE_VHOST_VSOCK_COMMON "vhost-vsock-common" 19 typedef struct VHostVSockCommon VHostVSockCommon; 20 DECLARE_INSTANCE_CHECKER(VHostVSockCommon, VHOST_VSOCK_COMMON, 21 TYPE_VHOST_VSOCK_COMMON) 22 23 enum { 24 VHOST_VSOCK_SAVEVM_VERSION = 0, 25 26 VHOST_VSOCK_QUEUE_SIZE = 128, 27 }; 28 29 struct VHostVSockCommon { 30 VirtIODevice parent; 31 32 struct vhost_virtqueue vhost_vqs[2]; 33 struct vhost_dev vhost_dev; 34 35 VirtQueue *event_vq; 36 VirtQueue *recv_vq; 37 VirtQueue *trans_vq; 38 39 QEMUTimer *post_load_timer; 40 }; 41 42 int vhost_vsock_common_start(VirtIODevice *vdev); 43 void vhost_vsock_common_stop(VirtIODevice *vdev); 44 int vhost_vsock_common_pre_save(void *opaque); 45 int vhost_vsock_common_post_load(void *opaque, int version_id); 46 void vhost_vsock_common_realize(VirtIODevice *vdev, const char *name); 47 void vhost_vsock_common_unrealize(VirtIODevice *vdev); 48 49 #endif /* _QEMU_VHOST_VSOCK_COMMON_H */ 50