From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/include/hw/virtio/vhost-backend.h | 40 ++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 qemu/include/hw/virtio/vhost-backend.h (limited to 'qemu/include/hw/virtio/vhost-backend.h') diff --git a/qemu/include/hw/virtio/vhost-backend.h b/qemu/include/hw/virtio/vhost-backend.h new file mode 100644 index 000000000..e472f2971 --- /dev/null +++ b/qemu/include/hw/virtio/vhost-backend.h @@ -0,0 +1,40 @@ +/* + * vhost-backend + * + * Copyright (c) 2013 Virtual Open Systems Sarl. + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#ifndef VHOST_BACKEND_H_ +#define VHOST_BACKEND_H_ + +typedef enum VhostBackendType { + VHOST_BACKEND_TYPE_NONE = 0, + VHOST_BACKEND_TYPE_KERNEL = 1, + VHOST_BACKEND_TYPE_USER = 2, + VHOST_BACKEND_TYPE_MAX = 3, +} VhostBackendType; + +struct vhost_dev; + +typedef int (*vhost_call)(struct vhost_dev *dev, unsigned long int request, + void *arg); +typedef int (*vhost_backend_init)(struct vhost_dev *dev, void *opaque); +typedef int (*vhost_backend_cleanup)(struct vhost_dev *dev); + +typedef struct VhostOps { + VhostBackendType backend_type; + vhost_call vhost_call; + vhost_backend_init vhost_backend_init; + vhost_backend_cleanup vhost_backend_cleanup; +} VhostOps; + +extern const VhostOps user_ops; + +int vhost_set_backend_type(struct vhost_dev *dev, + VhostBackendType backend_type); + +#endif /* VHOST_BACKEND_H_ */ -- cgit 1.2.3-korg