1 files changed, 155 insertions, 0 deletions
diff --git a/include/uapi/linux/raid/md_u.h b/include/uapi/linux/raid/md_u.h
new file mode 100644
index 000000000000..4133e744e4e6
--- /dev/null
+++ b/include/uapi/linux/raid/md_u.h
@@ -0,0 +1,155 @@
+/*
+   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.
+   
+   You should have received a copy of the GNU General Public License
+   (for example /usr/src/linux/COPYING); if not, write to the Free
+   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  
+*/
+#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                0
+#define MD_MINOR_VERSION                90
+/*
+ * 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           3
+/* ioctls */
+/* status */
+#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 PRINT_RAID_DEBUG        _IO (MD_MAJOR, 0x13)
+#define RAID_AUTORUN            _IO (MD_MAJOR, 0x14)
+#define GET_BITMAP_FILE         _IOR (MD_MAJOR, 0x15, mdu_bitmap_file_t)
+/* configuration */
+#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)
+/* usage */
+#define RUN_ARRAY               _IOW (MD_MAJOR, 0x30, mdu_param_t)
+/*  0x31 was START_ARRAY  */
+#define STOP_ARRAY              _IO (MD_MAJOR, 0x32)
+#define STOP_ARRAY_RO           _IO (MD_MAJOR, 0x33)
+#define RESTART_ARRAY_RW        _IO (MD_MAJOR, 0x34)
+/* 63 partitions with the alternate major number (mdp) */
+#define MdpMinorShift 6
+typedef struct mdu_version_s {
+        int major;
+        int minor;
+        int patchlevel;
+} mdu_version_t;
+typedef struct mdu_array_info_s {
+        /*
+         * Generic constant information
+         */
+        int major_version;
+        int minor_version;
+        int patch_version;
+        int ctime;
+        int level;
+        int size;
+        int nr_disks;
+        int raid_disks;
+        int md_minor;
+        int not_persistent;
+        /*
+         * Generic state information
+         */
+        int utime;              /*  0 Superblock update time                  */
+        int state;              /*  1 State bits (clean, ...)                 */
+        int active_disks;       /*  2 Number of currently active disks        */
+        int working_disks;      /*  3 Number of working disks                 */
+        int failed_disks;       /*  4 Number of failed disks                  */
+        int spare_disks;        /*  5 Number of spare disks                   */
+        /*
+         * Personality information
+         */
+        int layout;             /*  0 the array's physical layout             */
+        int chunk_size; /*  1 chunk size in bytes                     */
+} mdu_array_info_t;
+/* non-obvious values for 'level' */
+#define LEVEL_MULTIPATH         (-4)
+#define LEVEL_LINEAR            (-1)
+#define LEVEL_FAULTY            (-5)
+/* 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              (-1000000)
+typedef struct mdu_disk_info_s {
+        /*
+         * configuration/status of one particular disk
+         */
+        int number;
+        int major;
+        int minor;
+        int raid_disk;
+        int state;
+} mdu_disk_info_t;
+typedef struct mdu_start_info_s {
+        /*
+         * configuration/status of one particular disk
+         */
+        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;    /* 1,2,3,4 */
+        int                     chunk_size;     /* in bytes */
+        int                     max_fault;      /* unused for now */
+} mdu_param_t;
+#endif /* _UAPI_MD_U_H */

diff --git a/include/uapi/linux/raid/md_u.h b/include/uapi/linux/raid/md_u.h new file mode 100644 index 000000000000..4133e744e4e6 --- /dev/null +++ b/include/uapi/linux/raid/md_u.h
@@ -0,0 +1,155 @@
	1	/*
	2	md_u.h : user <=> kernel API between Linux raidtools and RAID drivers
	3	Copyright (C) 1998 Ingo Molnar
	4
	5	This program is free software; you can redistribute it and/or modify
	6	it under the terms of the GNU General Public License as published by
	7	the Free Software Foundation; either version 2, or (at your option)
	8	any later version.
	9
	10	You should have received a copy of the GNU General Public License
	11	(for example /usr/src/linux/COPYING); if not, write to the Free
	12	Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	13	*/
	14
	15	#ifndef _UAPI_MD_U_H
	16	#define _UAPI_MD_U_H
	17
	18	/*
	19	* Different major versions are not compatible.
	20	* Different minor versions are only downward compatible.
	21	* Different patchlevel versions are downward and upward compatible.
	22	*/
	23	#define MD_MAJOR_VERSION 0
	24	#define MD_MINOR_VERSION 90
	25	/*
	26	* MD_PATCHLEVEL_VERSION indicates kernel functionality.
	27	* >=1 means different superblock formats are selectable using SET_ARRAY_INFO
	28	* and major_version/minor_version accordingly
	29	* >=2 means that Internal bitmaps are supported by setting MD_SB_BITMAP_PRESENT
	30	* in the super status byte
	31	* >=3 means that bitmap superblock version 4 is supported, which uses
	32	* little-ending representation rather than host-endian
	33	*/
	34	#define MD_PATCHLEVEL_VERSION 3
	35
	36	/* ioctls */
	37
	38	/* status */
	39	#define RAID_VERSION _IOR (MD_MAJOR, 0x10, mdu_version_t)
	40	#define GET_ARRAY_INFO _IOR (MD_MAJOR, 0x11, mdu_array_info_t)
	41	#define GET_DISK_INFO _IOR (MD_MAJOR, 0x12, mdu_disk_info_t)
	42	#define PRINT_RAID_DEBUG _IO (MD_MAJOR, 0x13)
	43	#define RAID_AUTORUN _IO (MD_MAJOR, 0x14)
	44	#define GET_BITMAP_FILE _IOR (MD_MAJOR, 0x15, mdu_bitmap_file_t)
	45
	46	/* configuration */
	47	#define CLEAR_ARRAY _IO (MD_MAJOR, 0x20)
	48	#define ADD_NEW_DISK _IOW (MD_MAJOR, 0x21, mdu_disk_info_t)
	49	#define HOT_REMOVE_DISK _IO (MD_MAJOR, 0x22)
	50	#define SET_ARRAY_INFO _IOW (MD_MAJOR, 0x23, mdu_array_info_t)
	51	#define SET_DISK_INFO _IO (MD_MAJOR, 0x24)
	52	#define WRITE_RAID_INFO _IO (MD_MAJOR, 0x25)
	53	#define UNPROTECT_ARRAY _IO (MD_MAJOR, 0x26)
	54	#define PROTECT_ARRAY _IO (MD_MAJOR, 0x27)
	55	#define HOT_ADD_DISK _IO (MD_MAJOR, 0x28)
	56	#define SET_DISK_FAULTY _IO (MD_MAJOR, 0x29)
	57	#define HOT_GENERATE_ERROR _IO (MD_MAJOR, 0x2a)
	58	#define SET_BITMAP_FILE _IOW (MD_MAJOR, 0x2b, int)
	59
	60	/* usage */
	61	#define RUN_ARRAY _IOW (MD_MAJOR, 0x30, mdu_param_t)
	62	/* 0x31 was START_ARRAY */
	63	#define STOP_ARRAY _IO (MD_MAJOR, 0x32)
	64	#define STOP_ARRAY_RO _IO (MD_MAJOR, 0x33)
	65	#define RESTART_ARRAY_RW _IO (MD_MAJOR, 0x34)
	66
	67	/* 63 partitions with the alternate major number (mdp) */
	68	#define MdpMinorShift 6
	69
	70	typedef struct mdu_version_s {
	71	int major;
	72	int minor;
	73	int patchlevel;
	74	} mdu_version_t;
	75
	76	typedef struct mdu_array_info_s {
	77	/*
	78	* Generic constant information
	79	*/
	80	int major_version;
	81	int minor_version;
	82	int patch_version;
	83	int ctime;
	84	int level;
	85	int size;
	86	int nr_disks;
	87	int raid_disks;
	88	int md_minor;
	89	int not_persistent;
	90
	91	/*
	92	* Generic state information
	93	*/
	94	int utime; /* 0 Superblock update time */
	95	int state; /* 1 State bits (clean, ...) */
	96	int active_disks; /* 2 Number of currently active disks */
	97	int working_disks; /* 3 Number of working disks */
	98	int failed_disks; /* 4 Number of failed disks */
	99	int spare_disks; /* 5 Number of spare disks */
	100
	101	/*
	102	* Personality information
	103	*/
	104	int layout; /* 0 the array's physical layout */
	105	int chunk_size; /* 1 chunk size in bytes */
	106
	107	} mdu_array_info_t;
	108
	109	/* non-obvious values for 'level' */
	110	#define LEVEL_MULTIPATH (-4)
	111	#define LEVEL_LINEAR (-1)
	112	#define LEVEL_FAULTY (-5)
	113
	114	/* we need a value for 'no level specified' and 0
	115	* means 'raid0', so we need something else. This is
	116	* for internal use only
	117	*/
	118	#define LEVEL_NONE (-1000000)
	119
	120	typedef struct mdu_disk_info_s {
	121	/*
	122	* configuration/status of one particular disk
	123	*/
	124	int number;
	125	int major;
	126	int minor;
	127	int raid_disk;
	128	int state;
	129
	130	} mdu_disk_info_t;
	131
	132	typedef struct mdu_start_info_s {
	133	/*
	134	* configuration/status of one particular disk
	135	*/
	136	int major;
	137	int minor;
	138	int raid_disk;
	139	int state;
	140
	141	} mdu_start_info_t;
	142
	143	typedef struct mdu_bitmap_file_s
	144	{
	145	char pathname[4096];
	146	} mdu_bitmap_file_t;
	147
	148	typedef struct mdu_param_s
	149	{
	150	int personality; /* 1,2,3,4 */
	151	int chunk_size; /* in bytes */
	152	int max_fault; /* unused for now */
	153	} mdu_param_t;
	154
	155	#endif /* _UAPI_MD_U_H */