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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2020 FUJITSU LIMITED. All rights reserved.
* Author: Yang Xu <xuyang2018.jy@cn.fujitsu.com>
*/
#ifndef LAPI_LOOP_H
#define LAPI_LOOP_H
#include "config.h"
#include <linux/types.h>
#include <uapi_xloop.h>
#ifndef LO_FLAGS_PARTSCAN
# define LO_FLAGS_PARTSCAN 8
#endif
#ifndef LO_FLAGS_DIRECT_IO
# define LO_FLAGS_DIRECT_IO 16
#endif
#ifndef LOOP_SET_CAPACITY
# define LOOP_SET_CAPACITY 0x4C07
#endif
#ifndef LOOP_SET_DIRECT_IO
# define LOOP_SET_DIRECT_IO 0x4C08
#endif
#ifndef LOOP_SET_BLOCK_SIZE
# define LOOP_SET_BLOCK_SIZE 0x4C09
#endif
#ifndef LOOP_CONFIGURE
# define LOOP_CONFIGURE 0x4C0A
#endif
#ifndef HAVE_STRUCT_LOOP_CONFIG
/*
* struct loop_config - Complete configuration for a loop device.
* @fd: fd of the file to be used as a backing file for the loop device.
* @block_size: block size to use; ignored if 0.
* @info: struct loop_info64 to configure the loop device with.
*
* This structure is used with the LOOP_CONFIGURE ioctl, and can be used to
* atomically setup and configure all loop device parameters at once.
*/
struct xloop_config {
__u32 fd;
__u32 block_size;
struct xloop_info64 info;
__u64 __reserved[8];
};
#endif
#endif
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