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/*
* 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 _FSPLUG_H
#define _FSPLUG_H
#include <dirent.h>
#include "config.h"
#include <sys/stat.h>
/*
* Type of file system client plug-in desired.
*/
typedef enum fb_plugin_type {
LOCAL_FS_PLUG = 0,
NFS3_PLUG,
NFS4_PLUG,
CIFS_PLUG
} fb_plugin_type_t;
/* universal file descriptor for both local and nfs file systems */
typedef union fb_fdesc {
int fd_num; /* OS file descriptor number */
void *fd_ptr; /* Pointer to nfs information block */
} fb_fdesc_t;
typedef struct aiolist aiol_t;
/* Functions vector for file system plug-ins */
typedef struct fsplug_func_s {
char fs_name[16];
int (*fsp_freemem)(fb_fdesc_t *, off64_t);
int (*fsp_open)(fb_fdesc_t *, char *, int, int);
int (*fsp_pread)(fb_fdesc_t *, caddr_t, fbint_t, off64_t);
int (*fsp_read)(fb_fdesc_t *, caddr_t, fbint_t);
int (*fsp_pwrite)(fb_fdesc_t *, caddr_t, fbint_t, off64_t);
int (*fsp_write)(fb_fdesc_t *, caddr_t, fbint_t);
int (*fsp_lseek)(fb_fdesc_t *, off64_t, int);
int (*fsp_ftrunc)(fb_fdesc_t *, off64_t);
int (*fsp_rename)(const char *, const char *);
int (*fsp_close)(fb_fdesc_t *);
int (*fsp_link)(const char *, const char *);
int (*fsp_symlink)(const char *, const char *);
int (*fsp_unlink)(char *);
ssize_t (*fsp_readlink)(const char *, char *, size_t);
int (*fsp_mkdir)(char *, int);
int (*fsp_rmdir)(char *);
DIR *(*fsp_opendir)(char *);
struct dirent *(*fsp_readdir)(DIR *);
int (*fsp_closedir)(DIR *);
int (*fsp_fsync)(fb_fdesc_t *);
int (*fsp_stat)(char *, struct stat64 *);
int (*fsp_fstat)(fb_fdesc_t *, struct stat64 *);
int (*fsp_access)(const char *, int);
void (*fsp_recur_rm)(char *);
} fsplug_func_t;
extern fsplug_func_t *fs_functions_vec;
/* Macros for calling functions */
#define FB_FREEMEM(fd, sz) \
(*fs_functions_vec->fsp_freemem)(fd, sz)
#define FB_OPEN(fd, path, flags, perms) \
(*fs_functions_vec->fsp_open)(fd, path, flags, perms)
#define FB_PREAD(fdesc, iobuf, iosize, offset) \
(*fs_functions_vec->fsp_pread)(fdesc, iobuf, iosize, offset)
#define FB_READ(fdesc, iobuf, iosize) \
(*fs_functions_vec->fsp_read)(fdesc, iobuf, iosize)
#define FB_PWRITE(fdesc, iobuf, iosize, offset) \
(*fs_functions_vec->fsp_pwrite)(fdesc, iobuf, iosize, offset)
#define FB_WRITE(fdesc, iobuf, iosize) \
(*fs_functions_vec->fsp_write)(fdesc, iobuf, iosize)
#define FB_LSEEK(fdesc, amnt, whence) \
(*fs_functions_vec->fsp_lseek)(fdesc, amnt, whence)
#define FB_CLOSE(fdesc) \
(*fs_functions_vec->fsp_close)(fdesc)
#define FB_UNLINK(path) \
(*fs_functions_vec->fsp_unlink)(path)
#define FB_MKDIR(path, perm) \
(*fs_functions_vec->fsp_mkdir)(path, perm)
#define FB_RMDIR(path) \
(*fs_functions_vec->fsp_rmdir)(path)
#define FB_OPENDIR(path) \
(*fs_functions_vec->fsp_opendir)(path)
#define FB_READDIR(dir) \
(*fs_functions_vec->fsp_readdir)(dir)
#define FB_CLOSEDIR(dir) \
(*fs_functions_vec->fsp_closedir)(dir)
#define FB_FSYNC(fdesc) \
(*fs_functions_vec->fsp_fsync)(fdesc)
#define FB_RECUR_RM(path) \
(*fs_functions_vec->fsp_recur_rm)(path)
#define FB_STAT(path, statp) \
(*fs_functions_vec->fsp_stat)(path, statp)
#define FB_FSTAT(fdesc, statp) \
(*fs_functions_vec->fsp_fstat)(fdesc, statp)
#define FB_FTRUNC(fdesc, size) \
(*fs_functions_vec->fsp_ftrunc)(fdesc, size)
#define FB_LINK(existing, new) \
(*fs_functions_vec->fsp_link)(existing, new)
#define FB_SYMLINK(name1, name2) \
(*fs_functions_vec->fsp_symlink)(name1, name2)
#endif /* _FSPLUG_H */
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