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 OBJECT_DECLARE_SIMPLE_TYPE(VHostVSockCommon, VHOST_VSOCK_COMMON) 20 21 enum { 22 VHOST_VSOCK_SAVEVM_VERSION = 0, 23 24 VHOST_VSOCK_QUEUE_SIZE = 128, 25 }; 26 27 struct VHostVSockCommon { 28 VirtIODevice parent; 29 30 struct vhost_virtqueue vhost_vqs[2]; 31 struct vhost_dev vhost_dev; 32 33 VirtQueue *event_vq; 34 VirtQueue *recv_vq; 35 VirtQueue *trans_vq; 36 37 QEMUTimer *post_load_timer; 38 39 /* features */ 40 OnOffAuto seqpacket; 41 }; 42 43 int vhost_vsock_common_start(VirtIODevice *vdev); 44 void vhost_vsock_common_stop(VirtIODevice *vdev); 45 int vhost_vsock_common_pre_save(void *opaque); 46 int vhost_vsock_common_post_load(void *opaque, int version_id); 47 void vhost_vsock_common_realize(VirtIODevice *vdev); 48 void vhost_vsock_common_unrealize(VirtIODevice *vdev); 49 uint64_t vhost_vsock_common_get_features(VirtIODevice *vdev, uint64_t features, 50 Error **errp); 51 52 #endif /* QEMU_VHOST_VSOCK_COMMON_H */ 53