cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / raid / md_u.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/raid/md_u.h b/i686-linux-gnu-4.7/usr/include/linux/raid/md_u.h
new file mode 100644 (file)
index 0000000..bea5754
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/raid/md_u.h
@@ -0,0 +1,156 @@
+/* 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.
+   
+   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 _MD_U_H
+#define _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 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)
+#define CLUSTERED_DISK_NACK    _IO (MD_MAJOR, 0x35)
+
+/* 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;
+       unsigned int ctime;
+       int level;
+       int size;
+       int nr_disks;
+       int raid_disks;
+       int md_minor;
+       int not_persistent;
+
+       /*
+        * Generic state information
+        */
+       unsigned 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 /* _MD_U_H */