usr/src/uts/common/sys/mntio.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _SYS_MNTIO_H
  28 #define _SYS_MNTIO_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 /*
  37  * Mntfs io control commands
  38  */
  39 #define MNTIOC                  ('m' << 8)
  40 #define MNTIOC_NMNTS            (MNTIOC|1)      /* Get # of mounted resources */
  41 #define MNTIOC_GETDEVLIST       (MNTIOC|2)      /* Get mounted dev no.'s */
  42 #define MNTIOC_SETTAG           (MNTIOC|3)      /* Set a tag on a mounted fs */
  43 #define MNTIOC_CLRTAG           (MNTIOC|4)      /* Clear a tag from a fs */
  44 #define MNTIOC_SHOWHIDDEN       (MNTIOC|6)      /* private */
  45 #define MNTIOC_GETMNTENT        (MNTIOC|7)      /* private */
  46
  47 #define MAX_MNTOPT_TAG  64      /* Maximum size for a mounted file system tag */
  48
  49 struct mnttagdesc {
  50         uint_t  mtd_major;              /* major number of mounted resource */
  51         uint_t  mtd_minor;              /* minor number of mounted resource */
  52         char    *mtd_mntpt;             /* mount point for mounted resource */
  53         char    *mtd_tag;               /* tag to set/clear */
  54 };
  55
  56 #ifdef _SYSCALL32
  57 struct mnttagdesc32 {
  58         uint32_t        mtd_major;      /* major number of mounted resource */
  59         uint32_t        mtd_minor;      /* minor number of mounted resource */
  60         caddr32_t       mtd_mntpt;      /* mount point for mounted resource */
  61         caddr32_t       mtd_tag;        /* tag to set/clear */
  62 };
  63 #endif /* _SYSCALL32 */
  64
  65
  66 struct mntlookup {
  67         size_t  mtl_mntpt_off;
  68         char    *mtl_mntpt;
  69         major_t mtl_major;
  70         minor_t mtl_minor;
  71         ino64_t mtl_ino;
  72         char    mtl_fstype[_ST_FSTYPSZ];
  73 };
  74
  75 #ifdef _SYSCALL32
  76 struct mntlookup32 {
  77         size32_t        mtl_mntpt_off;
  78         caddr32_t       mtl_mntpt;
  79         major32_t       mtl_major;
  80         minor32_t       mtl_minor;
  81         ino64_t         mtl_ino;
  82         char            mtl_fstype[_ST_FSTYPSZ];
  83 };
  84 #endif /* _SYSCALL32 */
  85
  86 #ifdef  __cplusplus
  87 }
  88 #endif
  89
  90 #endif  /* _SYS_MNTIO_H */