/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */


#ifndef _DMA_BUF_UAPI_H_
#define _DMA_BUF_UAPI_H_

#include <linux/ioctl.h>
#include <linux/types.h>


struct dma_buf_sync {
	
	__u64 flags;
};

#define DMA_BUF_SYNC_READ      (1 << 0)
#define DMA_BUF_SYNC_WRITE     (2 << 0)
#define DMA_BUF_SYNC_RW        (DMA_BUF_SYNC_READ | DMA_BUF_SYNC_WRITE)
#define DMA_BUF_SYNC_START     (0 << 2)
#define DMA_BUF_SYNC_END       (1 << 2)
#define DMA_BUF_SYNC_VALID_FLAGS_MASK \
	(DMA_BUF_SYNC_RW | DMA_BUF_SYNC_END)

#define DMA_BUF_NAME_LEN	32


struct dma_buf_export_sync_file {
	
	__u32 flags;
	
	__s32 fd;
};


struct dma_buf_import_sync_file {
	
	__u32 flags;
	
	__s32 fd;
};

#define DMA_BUF_BASE		'b'
#define DMA_BUF_IOCTL_SYNC	_IOW(DMA_BUF_BASE, 0, struct dma_buf_sync)


#define DMA_BUF_SET_NAME	_IOW(DMA_BUF_BASE, 1, const char *)
#define DMA_BUF_SET_NAME_A	_IOW(DMA_BUF_BASE, 1, __u32)
#define DMA_BUF_SET_NAME_B	_IOW(DMA_BUF_BASE, 1, __u64)
#define DMA_BUF_IOCTL_EXPORT_SYNC_FILE	_IOWR(DMA_BUF_BASE, 2, struct dma_buf_export_sync_file)
#define DMA_BUF_IOCTL_IMPORT_SYNC_FILE	_IOW(DMA_BUF_BASE, 3, struct dma_buf_import_sync_file)

#endif
