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 22 #define TYPE_VHOST_USER_FS "vhost-user-fs-device" 23 #define VHOST_USER_FS(obj) \ 24 OBJECT_CHECK(VHostUserFS, (obj), TYPE_VHOST_USER_FS) 25 26 typedef struct { 27 CharBackend chardev; 28 char *tag; 29 uint16_t num_request_queues; 30 uint16_t queue_size; 31 char *vhostfd; 32 } VHostUserFSConf; 33 34 typedef struct { 35 /*< private >*/ 36 VirtIODevice parent; 37 VHostUserFSConf conf; 38 struct vhost_virtqueue *vhost_vqs; 39 struct vhost_dev vhost_dev; 40 VhostUserState vhost_user; 41 42 /*< public >*/ 43 } VHostUserFS; 44 45 #endif /* _QEMU_VHOST_USER_FS_H */ 46