| 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 "qapi/qapi-types-common.h" |
| 15 | #include "hw/virtio/virtio.h" |
| 16 | #include "hw/virtio/vhost.h" |
| 17 | #include "qom/object.h" |
| 18 | |
| 19 | #define TYPE_VHOST_VSOCK_COMMON "vhost-vsock-common" |
| 20 | OBJECT_DECLARE_SIMPLE_TYPE(VHostVSockCommon, VHOST_VSOCK_COMMON) |
| 21 | |
| 22 | enum { |
| 23 | VHOST_VSOCK_SAVEVM_VERSION = 0, |
| 24 | |
| 25 | VHOST_VSOCK_QUEUE_SIZE = 128, |
| 26 | }; |
| 27 | |
| 28 | struct VHostVSockCommon { |
| 29 | VirtIODevice parent; |
| 30 | |
| 31 | struct vhost_virtqueue vhost_vqs[2]; |
| 32 | struct vhost_dev vhost_dev; |
| 33 | |
| 34 | VirtQueue *event_vq; |
| 35 | VirtQueue *recv_vq; |
| 36 | VirtQueue *trans_vq; |
| 37 | |
| 38 | QEMUTimer *post_load_timer; |
| 39 | |
| 40 | /* features */ |
| 41 | OnOffAuto seqpacket; |
| 42 | }; |
| 43 | |
| 44 | int vhost_vsock_common_start(VirtIODevice *vdev); |
| 45 | int vhost_vsock_common_stop(VirtIODevice *vdev); |
| 46 | int vhost_vsock_common_pre_save(void *opaque); |
| 47 | int vhost_vsock_common_post_load(void *opaque, int version_id); |
| 48 | void vhost_vsock_common_realize(VirtIODevice *vdev); |
| 49 | void vhost_vsock_common_unrealize(VirtIODevice *vdev); |
| 50 | uint64_t vhost_vsock_common_get_features(VirtIODevice *vdev, uint64_t features, |
| 51 | Error **errp); |
| 52 | |
| 53 | #endif /* QEMU_VHOST_VSOCK_COMMON_H */ |