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

root/usr/src/uts/common/sys/mntio.h
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_MNTIO_H
#define _SYS_MNTIO_H

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * Mntfs io control commands
 */
#define MNTIOC                  ('m' << 8)
#define MNTIOC_NMNTS            (MNTIOC|1)      /* Get # of mounted resources */
#define MNTIOC_GETDEVLIST       (MNTIOC|2)      /* Get mounted dev no.'s */
#define MNTIOC_SETTAG           (MNTIOC|3)      /* Set a tag on a mounted fs */
#define MNTIOC_CLRTAG           (MNTIOC|4)      /* Clear a tag from a fs */
#define MNTIOC_SHOWHIDDEN       (MNTIOC|6)      /* private */
#define MNTIOC_GETMNTENT        (MNTIOC|7)      /* private */
#define MNTIOC_GETEXTMNTENT     (MNTIOC|8)      /* private */
#define MNTIOC_GETMNTANY        (MNTIOC|9)      /* private */

/*
 * Private mntfs return codes
 */
#define MNTFS_EOF       1
#define MNTFS_TOOLONG   2


#define MAX_MNTOPT_TAG  64      /* Maximum size for a mounted file system tag */

struct mnttagdesc {
        uint_t  mtd_major;              /* major number of mounted resource */
        uint_t  mtd_minor;              /* minor number of mounted resource */
        char    *mtd_mntpt;             /* mount point for mounted resource */
        char    *mtd_tag;               /* tag to set/clear */
};

#ifdef _SYSCALL32
struct mnttagdesc32 {
        uint32_t        mtd_major;      /* major number of mounted resource */
        uint32_t        mtd_minor;      /* minor number of mounted resource */
        caddr32_t       mtd_mntpt;      /* mount point for mounted resource */
        caddr32_t       mtd_tag;        /* tag to set/clear */
};
#endif /* _SYSCALL32 */


struct mntlookup {
        size_t  mtl_mntpt_off;
        char    *mtl_mntpt;
        major_t mtl_major;
        minor_t mtl_minor;
        ino64_t mtl_ino;
        char    mtl_fstype[_ST_FSTYPSZ];
};

#ifdef _SYSCALL32
struct mntlookup32 {
        size32_t        mtl_mntpt_off;
        caddr32_t       mtl_mntpt;
        major32_t       mtl_major;
        minor32_t       mtl_minor;
        ino64_t         mtl_ino;
        char            mtl_fstype[_ST_FSTYPSZ];
};
#endif /* _SYSCALL32 */

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_MNTIO_H */
Illumos
