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/*
* Copyright (c) 2015 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __VIRTIO_VHOST_STD_H__
#define __VIRTIO_VHOST_STD_H__
typedef struct
{
u64 guest_phys_addr;
u64 memory_size;
u64 userspace_addr;
u64 mmap_offset;
} vhost_memory_region_t;
typedef struct
{
u32 nregions;
u32 padding;
vhost_memory_region_t regions[0];
} vhost_memory_t;
typedef struct
{
u32 index;
u32 num;
} vhost_vring_state_t;
typedef struct
{
u32 index;
int fd;
} vhost_vring_file_t;
typedef struct
{
u32 index;
u32 flags;
u64 desc_user_addr;
u64 used_user_addr;
u64 avail_user_addr;
u64 log_guest_addr;
} vhost_vring_addr_t;
typedef struct
{
u64 size;
u64 offset;
} vhost_user_log_t;
/* vhost kernel ioctls */
#define VHOST_VIRTIO 0xAF
#define VHOST_GET_FEATURES _IOR(VHOST_VIRTIO, 0x00, u64)
#define VHOST_SET_FEATURES _IOW(VHOST_VIRTIO, 0x00, u64)
#define VHOST_SET_OWNER _IO(VHOST_VIRTIO, 0x01)
#define VHOST_RESET_OWNER _IO(VHOST_VIRTIO, 0x02)
#define VHOST_SET_MEM_TABLE _IOW(VHOST_VIRTIO, 0x03, vhost_memory_t)
#define VHOST_SET_LOG_BASE _IOW(VHOST_VIRTIO, 0x04, u64)
#define VHOST_SET_LOG_FD _IOW(VHOST_VIRTIO, 0x07, int)
#define VHOST_SET_VRING_NUM _IOW(VHOST_VIRTIO, 0x10, vhost_vring_state_t)
#define VHOST_SET_VRING_ADDR _IOW(VHOST_VIRTIO, 0x11, vhost_vring_addr_t)
#define VHOST_SET_VRING_BASE _IOW(VHOST_VIRTIO, 0x12, vhost_vring_state_t)
#define VHOST_GET_VRING_BASE _IOWR(VHOST_VIRTIO, 0x12, vhost_vring_state_t)
#define VHOST_SET_VRING_KICK _IOW(VHOST_VIRTIO, 0x20, vhost_vring_file_t)
#define VHOST_SET_VRING_CALL _IOW(VHOST_VIRTIO, 0x21, vhost_vring_file_t)
#define VHOST_SET_VRING_ERR _IOW(VHOST_VIRTIO, 0x22, vhost_vring_file_t)
#define VHOST_NET_SET_BACKEND _IOW(VHOST_VIRTIO, 0x30, vhost_vring_file_t)
#endif
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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