/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* md_u.h : user <=> kernel API between Linux raidtools and RAID drivers Copyright (C) 1998 Ingo Molnar This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. */ #ifndef _UAPI_MD_U_H #define _UAPI_MD_U_H /* * Different major versions are not compatible. * Different minor versions are only downward compatible. * Different patchlevel versions are downward and upward compatible. */ #define MD_MAJOR_VERSION … #define MD_MINOR_VERSION … /* * MD_PATCHLEVEL_VERSION indicates kernel functionality. * >=1 means different superblock formats are selectable using SET_ARRAY_INFO * and major_version/minor_version accordingly * >=2 means that Internal bitmaps are supported by setting MD_SB_BITMAP_PRESENT * in the super status byte * >=3 means that bitmap superblock version 4 is supported, which uses * little-ending representation rather than host-endian */ #define MD_PATCHLEVEL_VERSION … /* ioctls */ /* status */ #define RAID_VERSION … #define GET_ARRAY_INFO … #define GET_DISK_INFO … #define RAID_AUTORUN … #define GET_BITMAP_FILE … /* configuration */ #define CLEAR_ARRAY … #define ADD_NEW_DISK … #define HOT_REMOVE_DISK … #define SET_ARRAY_INFO … #define SET_DISK_INFO … #define WRITE_RAID_INFO … #define UNPROTECT_ARRAY … #define PROTECT_ARRAY … #define HOT_ADD_DISK … #define SET_DISK_FAULTY … #define HOT_GENERATE_ERROR … #define SET_BITMAP_FILE … /* usage */ #define RUN_ARRAY … /* 0x31 was START_ARRAY */ #define STOP_ARRAY … #define STOP_ARRAY_RO … #define RESTART_ARRAY_RW … #define CLUSTERED_DISK_NACK … /* 63 partitions with the alternate major number (mdp) */ #define MdpMinorShift … mdu_version_t; mdu_array_info_t; /* we need a value for 'no level specified' and 0 * means 'raid0', so we need something else. This is * for internal use only */ #define LEVEL_NONE … mdu_disk_info_t; mdu_start_info_t; mdu_bitmap_file_t; mdu_param_t; #endif /* _UAPI_MD_U_H */
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