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/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _VFIO_USER_H
#define _VFIO_USER_H
#include <inttypes.h>
#include <linux/vfio.h>
enum vfio_user_command {
VFIO_USER_VERSION = 1,
VFIO_USER_DMA_MAP = 2,
VFIO_USER_DMA_UNMAP = 3,
VFIO_USER_DEVICE_GET_INFO = 4,
VFIO_USER_DEVICE_GET_REGION_INFO = 5,
VFIO_USER_DEVICE_GET_IRQ_INFO = 6,
VFIO_USER_DEVICE_SET_IRQS = 7,
VFIO_USER_REGION_READ = 8,
VFIO_USER_REGION_WRITE = 9,
VFIO_USER_DMA_READ = 10,
VFIO_USER_DMA_WRITE = 11,
VFIO_USER_DEVICE_RESET = 13,
VFIO_USER_MAX,
};
enum vfio_user_message_type {
VFIO_USER_MESSAGE_COMMAND = 0,
VFIO_USER_MESSAGE_REPLY = 1,
};
#define VFIO_USER_FLAGS_NO_REPLY (0x1)
struct vfio_user_header {
uint16_t msg_id;
uint16_t cmd;
uint32_t msg_size;
struct {
uint32_t type : 4;
uint32_t no_reply : 1;
uint32_t error : 1;
uint32_t resvd : 26;
} flags;
uint32_t error_no;
} __attribute__((packed));
#define VFIO_USER_DMA_REGION_MAPPABLE (0x1)
struct vfio_user_dma_region {
uint64_t addr;
uint64_t size;
uint64_t offset;
uint32_t protections;
uint32_t flags;
} __attribute__((packed));
struct vfio_user_region_access {
uint64_t offset;
uint32_t region;
uint32_t count;
uint8_t data[];
} __attribute__((packed));
#endif
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