| 1 | /* $Id: vboxfs_prov.h 31691 2010-08-16 12:59:23Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VirtualBox File System for Solaris Guests, provider header.
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| 4 | * Portions contributed by: Ronald.
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2009-2010 Oracle Corporation
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| 9 | *
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| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | * available from http://www.virtualbox.org. This file is free software;
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| 12 | * you can redistribute it and/or modify it under the terms of the GNU
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| 13 | * General Public License (GPL) as published by the Free Software
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| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 17 | *
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| 18 | * The contents of this file may alternatively be used under the terms
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| 19 | * of the Common Development and Distribution License Version 1.0
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| 20 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 21 | * VirtualBox OSE distribution, in which case the provisions of the
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| 22 | * CDDL are applicable instead of those of the GPL.
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| 23 | *
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| 24 | * You may elect to license modified versions of this file under the
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| 25 | * terms and conditions of either the GPL or the CDDL or both.
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| 26 | */
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| 27 |
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| 28 | #ifndef ___VBoxFS_prov_Solaris_h
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| 29 | #define ___VBoxFS_prov_Solaris_h
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| 30 |
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| 31 | #ifdef __cplusplus
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| 32 | extern "C" {
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| 33 | #endif
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| 34 |
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| 35 | /*
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| 36 | * These are the provider interfaces used by sffs to access the underlying
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| 37 | * shared file system.
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| 38 | */
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| 39 | #define SFPROV_VERSION 1
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| 40 |
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| 41 | /*
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| 42 | * Initialization and termination.
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| 43 | * sfprov_connect() is called once before any other interfaces and returns
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| 44 | * a handle used in further calls. The argument should be SFPROV_VERSION
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| 45 | * from above. On failure it returns a NULL pointer.
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| 46 | *
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| 47 | * sfprov_disconnect() must only be called after all sf file systems have been
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| 48 | * unmounted.
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| 49 | */
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| 50 | typedef struct sfp_connection sfp_connection_t;
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| 51 |
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| 52 | extern sfp_connection_t *sfprov_connect(int);
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| 53 | extern void sfprov_disconnect(sfp_connection_t *);
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| 54 |
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| 55 |
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| 56 | /*
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| 57 | * Mount / Unmount a shared folder.
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| 58 | *
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| 59 | * sfprov_mount() takes as input the connection pointer and the name of
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| 60 | * the shared folder. On success, it returns zero and supplies an
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| 61 | * sfp_mount_t handle. On failure it returns any relevant errno value.
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| 62 | *
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| 63 | * sfprov_unmount() unmounts the mounted file system. It returns 0 on
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| 64 | * success and any relevant errno on failure.
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| 65 | */
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| 66 | typedef struct sfp_mount sfp_mount_t;
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| 67 |
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| 68 | extern int sfprov_mount(sfp_connection_t *, char *, sfp_mount_t **);
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| 69 | extern int sfprov_unmount(sfp_mount_t *);
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| 70 |
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| 71 | /*
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| 72 | * query information about a mounted file system
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| 73 | */
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| 74 | extern int sfprov_get_blksize(sfp_mount_t *, uint64_t *);
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| 75 | extern int sfprov_get_blksused(sfp_mount_t *, uint64_t *);
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| 76 | extern int sfprov_get_blksavail(sfp_mount_t *, uint64_t *);
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| 77 | extern int sfprov_get_maxnamesize(sfp_mount_t *, uint32_t *);
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| 78 | extern int sfprov_get_readonly(sfp_mount_t *, uint32_t *);
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| 79 |
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| 80 | /*
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| 81 | * File operations: open/close/read/write/etc.
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| 82 | *
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| 83 | * open/create can return any relevant errno, however ENOENT
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| 84 | * generally means that the host file didn't exist.
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| 85 | */
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| 86 | typedef struct sfp_file sfp_file_t;
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| 87 |
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| 88 | extern int sfprov_create(sfp_mount_t *, char *path, sfp_file_t **fp);
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| 89 | extern int sfprov_open(sfp_mount_t *, char *path, sfp_file_t **fp);
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| 90 | extern int sfprov_close(sfp_file_t *fp);
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| 91 | extern int sfprov_read(sfp_file_t *, char * buffer, uint64_t offset,
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| 92 | uint32_t *numbytes);
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| 93 | extern int sfprov_write(sfp_file_t *, char * buffer, uint64_t offset,
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| 94 | uint32_t *numbytes);
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| 95 | extern int sfprov_fsync(sfp_file_t *fp);
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| 96 |
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| 97 |
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| 98 | /*
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| 99 | * get/set information about a file (or directory) using pathname
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| 100 | */
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| 101 | extern int sfprov_get_mode(sfp_mount_t *, char *, mode_t *);
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| 102 | extern int sfprov_get_size(sfp_mount_t *, char *, uint64_t *);
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| 103 | extern int sfprov_get_atime(sfp_mount_t *, char *, timestruc_t *);
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| 104 | extern int sfprov_get_mtime(sfp_mount_t *, char *, timestruc_t *);
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| 105 | extern int sfprov_get_ctime(sfp_mount_t *, char *, timestruc_t *);
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| 106 | extern int sfprov_get_attr(sfp_mount_t *, char *, mode_t *, uint64_t *,
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| 107 | timestruc_t *, timestruc_t *, timestruc_t *);
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| 108 | extern int sfprov_set_attr(sfp_mount_t *, char *, uint_t, mode_t,
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| 109 | timestruc_t, timestruc_t, timestruc_t);
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| 110 | extern int sfprov_set_size(sfp_mount_t *, char *, uint64_t);
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| 111 |
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| 112 |
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| 113 | /*
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| 114 | * File/Directory operations
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| 115 | */
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| 116 | extern int sfprov_trunc(sfp_mount_t *, char *);
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| 117 | extern int sfprov_remove(sfp_mount_t *, char *path);
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| 118 | extern int sfprov_mkdir(sfp_mount_t *, char *path, sfp_file_t **fp);
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| 119 | extern int sfprov_rmdir(sfp_mount_t *, char *path);
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| 120 | extern int sfprov_rename(sfp_mount_t *, char *from, char *to, uint_t is_dir);
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| 121 |
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| 122 | /*
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| 123 | * Read directory entries.
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| 124 | */
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| 125 | /*
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| 126 | * a singly linked list of buffers, each containing an array of dirent's.
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| 127 | * sf_len is length of the sf_entries array, in bytes.
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| 128 | */
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| 129 | typedef struct sffs_dirents {
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| 130 | struct sffs_dirents *sf_next;
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| 131 | len_t sf_len;
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| 132 | dirent64_t sf_entries[1];
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| 133 | } sffs_dirents_t;
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| 134 |
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| 135 | #define SFFS_DIRENTS_SIZE 8192
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| 136 | #define SFFS_DIRENTS_OFF (offsetof(sffs_dirents_t, sf_entries[0]))
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| 137 | #define SFFS_STATS_LEN 100
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| 138 |
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| 139 | typedef struct sffs_stat {
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| 140 | mode_t sf_mode;
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| 141 | off_t sf_size;
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| 142 | timestruc_t sf_atime;
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| 143 | timestruc_t sf_mtime;
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| 144 | timestruc_t sf_ctime;
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| 145 | } sffs_stat_t;
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| 146 |
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| 147 | typedef struct sffs_stats {
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| 148 | struct sffs_stats *sf_next;
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| 149 | len_t sf_num;
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| 150 | sffs_stat_t sf_stats[SFFS_STATS_LEN];
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| 151 | } sffs_stats_t;
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| 152 |
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| 153 | extern int sfprov_readdir(sfp_mount_t *mnt, char *path, sffs_dirents_t **dirents,
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| 154 | sffs_stats_t **stats);
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| 155 |
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| 156 | #ifdef __cplusplus
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| 157 | }
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| 158 | #endif
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| 159 |
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| 160 | #endif /* !___VBoxFS_prov_Solaris_h */
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