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


#ifndef _UAPI_MD_U_H
#define _UAPI_MD_U_H


#define MD_MAJOR_VERSION                0
#define MD_MINOR_VERSION                90

#define MD_PATCHLEVEL_VERSION           3




#define RAID_VERSION		_IOR (MD_MAJOR, 0x10, mdu_version_t)
#define GET_ARRAY_INFO		_IOR (MD_MAJOR, 0x11, mdu_array_info_t)
#define GET_DISK_INFO		_IOR (MD_MAJOR, 0x12, mdu_disk_info_t)
#define RAID_AUTORUN		_IO (MD_MAJOR, 0x14)
#define GET_BITMAP_FILE		_IOR (MD_MAJOR, 0x15, mdu_bitmap_file_t)


#define CLEAR_ARRAY		_IO (MD_MAJOR, 0x20)
#define ADD_NEW_DISK		_IOW (MD_MAJOR, 0x21, mdu_disk_info_t)
#define HOT_REMOVE_DISK		_IO (MD_MAJOR, 0x22)
#define SET_ARRAY_INFO		_IOW (MD_MAJOR, 0x23, mdu_array_info_t)
#define SET_DISK_INFO		_IO (MD_MAJOR, 0x24)
#define WRITE_RAID_INFO		_IO (MD_MAJOR, 0x25)
#define UNPROTECT_ARRAY		_IO (MD_MAJOR, 0x26)
#define PROTECT_ARRAY		_IO (MD_MAJOR, 0x27)
#define HOT_ADD_DISK		_IO (MD_MAJOR, 0x28)
#define SET_DISK_FAULTY		_IO (MD_MAJOR, 0x29)
#define HOT_GENERATE_ERROR	_IO (MD_MAJOR, 0x2a)
#define SET_BITMAP_FILE		_IOW (MD_MAJOR, 0x2b, int)


#define RUN_ARRAY		_IOW (MD_MAJOR, 0x30, mdu_param_t)

#define STOP_ARRAY		_IO (MD_MAJOR, 0x32)
#define STOP_ARRAY_RO		_IO (MD_MAJOR, 0x33)
#define RESTART_ARRAY_RW	_IO (MD_MAJOR, 0x34)
#define CLUSTERED_DISK_NACK	_IO (MD_MAJOR, 0x35)


#define MdpMinorShift 6

typedef struct mdu_version_s {
	int major;
	int minor;
	int patchlevel;
} mdu_version_t;

typedef struct mdu_array_info_s {
	
	int major_version;
	int minor_version;
	int patch_version;
	unsigned int ctime;
	int level;
	int size;
	int nr_disks;
	int raid_disks;
	int md_minor;
	int not_persistent;

	
	unsigned int utime;	
	int state;		
	int active_disks;	
	int working_disks;	
	int failed_disks;	
	int spare_disks;	

	
	int layout;		
	int chunk_size;	

} mdu_array_info_t;


#define	LEVEL_MULTIPATH		(-4)
#define	LEVEL_LINEAR		(-1)
#define	LEVEL_FAULTY		(-5)


#define	LEVEL_NONE		(-1000000)

typedef struct mdu_disk_info_s {
	
	int number;
	int major;
	int minor;
	int raid_disk;
	int state;

} mdu_disk_info_t;

typedef struct mdu_start_info_s {
	
	int major;
	int minor;
	int raid_disk;
	int state;

} mdu_start_info_t;

typedef struct mdu_bitmap_file_s
{
	char pathname[4096];
} mdu_bitmap_file_t;

typedef struct mdu_param_s
{
	int			personality;	
	int			chunk_size;	
	int			max_fault;	
} mdu_param_t;

#endif 
