libdisk/evms.h

   1 /*
   2  *   Copyright (c) International Business Machines  Corp., 2002
   3  *
   4  *   This program is free software;  you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation; either version 2 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  12  *   the GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program;  if not, write to the Free Software
  16  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  17  */
  18
  19 #define EVMS_MAJOR                      117
  20 #define EVMS_GET_VOL_STRIPE_INFO        \
  21                 _IOR(EVMS_MAJOR, 0xF0, struct evms_vol_stripe_info_s)
  22
  23 /*
  24  * struct evms_vol_stripe_info_s - contains stripe information for a volume
  25  *
  26  * unit: the stripe unit specified in 512 byte block units
  27  * width: the number of stripe members or RAID data disks
  28  */
  29 typedef struct evms_vol_stripe_info_s {
  30         u_int32_t       size;
  31         u_int32_t       width;
  32 } evms_vol_stripe_info_t;