File: [Development] / xfs-cmds / xfsprogs / libdisk / md.h (download)
Revision 1.2, Thu Aug 1 18:38:43 2002 UTC (15 years, 2 months ago) by sandeen
Branch: MAIN
Changes since 1.1: +47 -263
lines
drop the old md.h and replace with a small version
containing only what we need.
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/*
* Copyright (c) 2002 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
#ifndef MD_MAJOR
#define MD_MAJOR 9 /* we also check at runtime */
#endif
#define GET_ARRAY_INFO _IOR (MD_MAJOR, 0x11, struct md_array_info)
struct md_array_info {
/*
* Generic constant information
*/
__uint32_t major_version;
__uint32_t minor_version;
__uint32_t patch_version;
__uint32_t ctime;
__uint32_t level;
__uint32_t size;
__uint32_t nr_disks;
__uint32_t raid_disks;
__uint32_t md_minor;
__uint32_t not_persistent;
/*
* Generic state information
*/
__uint32_t utime; /* 0 Superblock update time */
__uint32_t state; /* 1 State bits (clean, ...) */
__uint32_t active_disks; /* 2 Number of currently active disks */
__uint32_t working_disks; /* 3 Number of working disks */
__uint32_t failed_disks; /* 4 Number of failed disks */
__uint32_t spare_disks; /* 5 Number of spare disks */
/*
* Personality information
*/
__uint32_t layout; /* 0 the array's physical layout */
__uint32_t chunk_size; /* 1 chunk size in bytes */
};