| 1 | /* |
| 2 | * Vhost-user filesystem virtio device |
| 3 | * |
| 4 | * Copyright 2018-2019 Red Hat, Inc. |
| 5 | * |
| 6 | * Authors: |
| 7 | * Stefan Hajnoczi <stefanha@redhat.com> |
| 8 | * |
| 9 | * This work is licensed under the terms of the GNU GPL, version 2 or |
| 10 | * (at your option) any later version. See the COPYING file in the |
| 11 | * top-level directory. |
| 12 | */ |
| 13 | |
| 14 | #ifndef QEMU_VHOST_USER_FS_H |
| 15 | #define QEMU_VHOST_USER_FS_H |
| 16 | |
| 17 | #include "hw/virtio/virtio.h" |
| 18 | #include "hw/virtio/vhost.h" |
| 19 | #include "hw/virtio/vhost-user.h" |
| 20 | #include "chardev/char-fe.h" |
| 21 | #include "qom/object.h" |
| 22 | |
| 23 | #define TYPE_VHOST_USER_FS "vhost-user-fs-device" |
| 24 | OBJECT_DECLARE_SIMPLE_TYPE(VHostUserFS, VHOST_USER_FS) |
| 25 | |
| 26 | typedef struct { |
| 27 | CharFrontend chardev; |
| 28 | char *tag; |
| 29 | uint16_t num_request_queues; |
| 30 | uint16_t queue_size; |
| 31 | } VHostUserFSConf; |
| 32 | |
| 33 | struct VHostUserFS { |
| 34 | /*< private >*/ |
| 35 | VirtIODevice parent; |
| 36 | VHostUserFSConf conf; |
| 37 | struct vhost_virtqueue *vhost_vqs; |
| 38 | struct vhost_dev vhost_dev; |
| 39 | VhostUserState vhost_user; |
| 40 | VirtQueue **req_vqs; |
| 41 | VirtQueue *hiprio_vq; |
| 42 | int32_t bootindex; |
| 43 | |
| 44 | /*< public >*/ |
| 45 | }; |
| 46 | |
| 47 | #endif /* QEMU_VHOST_USER_FS_H */ |