usr/src/cmd/fs.d/fslib.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 _FSLIB_H
  28 #define _FSLIB_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 #include        <sys/mnttab.h>
  37
  38 /*
  39  * This structure is used to build a list of
  40  * mnttab structures from /etc/mnttab.
  41  */
  42 typedef struct mntlist {
  43         int             mntl_flags;
  44         uint_t          mntl_dev;
  45         struct extmnttab *mntl_mnt;
  46         struct mntlist  *mntl_next;
  47 } mntlist_t;
  48
  49 /*
  50  * Bits for mntl_flags.
  51  */
  52 #define MNTL_UNMOUNT    0x01    /* unmount this entry */
  53 #define MNTL_DIRECT     0x02    /* direct mount entry */
  54
  55 /*
  56  * Routines available in fslib.c:
  57  */
  58 void                    fsfreemnttab(struct extmnttab *);
  59 struct extmnttab        *fsdupmnttab(struct extmnttab *);
  60 void                    fsfreemntlist(mntlist_t *);
  61
  62 mntlist_t       *fsmkmntlist(FILE *);
  63 mntlist_t       *fsgetmntlist(void);
  64 mntlist_t       *fsgetmlast(mntlist_t *, struct mnttab *);
  65 void    cmp_requested_to_actual_options(char *, char *, char *, char *);
  66
  67 int     fsgetmlevel(char *);
  68 int     fsstrinlist(const char *, const char **);
  69 int     fsgetmaxphys(int *, int *);
  70
  71 boolean_t       fsisstdopt(const char *);
  72
  73 /*
  74  * Routines for determining which zone a mount resides in.
  75  */
  76 struct zone_summary;
  77
  78 struct          zone_summary *fs_get_zone_summaries(void);
  79 boolean_t       fs_mount_in_other_zone(const struct zone_summary *,
  80     const char *);
  81
  82 #undef MIN
  83 #undef MAX
  84 #define MIN(a, b)       ((a) < (b) ? (a) : (b))
  85 #define MAX(a, b)       ((a) > (b) ? (a) : (b))
  86
  87 #define MAXLINE         2048
  88
  89 #ifdef  __cplusplus
  90 }
  91 #endif
  92
  93 #endif  /* _FSLIB_H */