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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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _OBJFS_IMPL_H
#define _OBJFS_IMPL_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/modctl.h>
#include <sys/vfs.h>
#include <sys/vnode.h>
#include <sys/gfs.h>
#include <sys/objfs.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* VFS data object
*/
typedef struct objfs_vfs {
vnode_t *objfs_vfs_root;
} objfs_vfs_t;
/*
* Common vop_ entry points
*/
extern int objfs_dir_open(vnode_t **, int, cred_t *, caller_context_t *);
extern int objfs_dir_access(vnode_t *, int, int, cred_t *,
caller_context_t *);
extern int objfs_common_close(vnode_t *, int, int, offset_t, cred_t *,
caller_context_t *);
/*
* Common vop_ support functions
*/
extern int objfs_common_getattr(vnode_t *, vattr_t *);
/*
* Miscellaneous support functions
*/
extern int objfs_nobjs(void);
#define OBJFS_NAME_MAX MAXNAMELEN
/*
* The root vnode has an inode number of 0xffffffff. All other vnodes have an
* inode that is an OR of the module id with the type of vnode.
*
* ----------------------------------------
* | type | mod_id |
* ----------------------------------------
* 63 31 0
*
* This way, module directories will have an inode value equal to their module
* id.
*/
#define OBJFS_INO(modid, type) \
(((uint64_t)(type) << 32) | (modid))
/*
* Root directory
*/
typedef gfs_dir_t objfs_rootnode_t;
#define OBJFS_INO_ROOT 0xffffffff
extern const fs_operation_def_t objfs_tops_root[];
extern vnodeops_t *objfs_ops_root;
extern vnode_t *objfs_create_root(vfs_t *);
/*
* Object directory
*/
typedef struct objfs_odirnode {
gfs_dir_t objfs_odir_dir; /* gfs dir */
struct modctl *objfs_odir_modctl; /* modctl pointer */
} objfs_odirnode_t;
#define OBJFS_INO_ODIR(modid) OBJFS_INO(modid, 0)
extern const fs_operation_def_t objfs_tops_odir[];
extern vnodeops_t *objfs_ops_odir;
extern vnode_t *objfs_create_odirnode(vnode_t *, struct modctl *);
/*
* Data file
*/
typedef struct objfs_datanode {
gfs_file_t objfs_data_file; /* gfs file */
objfs_info_t objfs_data_info;
int objfs_data_gencount; /* gen when opened */
} objfs_datanode_t;
#define OBJFS_INO_DATA(modid) OBJFS_INO(modid, 1)
extern const fs_operation_def_t objfs_tops_data[];
extern vnodeops_t *objfs_ops_data;
extern void objfs_data_init(void);
extern vnode_t *objfs_create_data(vnode_t *);
#ifdef __cplusplus
}
#endif
#endif /* _OBJFS_IMPL_H */
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