fs_reparse.h revision b819cea2f73f98c5662230cc9affc8cc84f77fcf
/*
* 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.
*
* Copyright 2013 Nexenta Systems, Inc. All rights reserved.
*/
#ifndef _FS_REPARSE_H
#define _FS_REPARSE_H
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#include <sys/param.h>
#if defined(_KERNEL) || defined(_FAKE_KERNEL)
#include <sys/time.h>
#include <sys/nvpair.h>
#else
#include <libnvpair.h>
#endif
#define FS_REPARSE_TAG_STR "@{REPARSE"
#define FS_REPARSE_TAG_END_CHAR '}'
#define FS_REPARSE_TAG_END_STR "}"
#define FS_TOKEN_START_STR "@{"
#define FS_TOKEN_END_STR "}"
#define REPARSED "svc:/system/filesystem/reparse:default"
#define MAXREPARSELEN MAXPATHLEN
#define REPARSED_DOOR "/var/run/reparsed_door"
#define REPARSED_DOORCALL_MAX_RETRY 4
/*
* This structure is shared between kernel code and user reparsed daemon.
* The 'res_len' must be defined as int, and not size_t, for 32-bit reparsed
* binary and 64-bit kernel code to work together.
*/
typedef struct reparsed_door_res {
int res_status;
int res_len;
char res_data[1];
} reparsed_door_res_t;
extern nvlist_t *reparse_init(void);
extern void reparse_free(nvlist_t *nvl);
extern int reparse_parse(const char *reparse_data, nvlist_t *nvl);
extern int reparse_validate(const char *reparse_data);
#ifdef _KERNEL
extern int reparse_kderef(const char *svc_type, const char *svc_data,
char *buf, size_t *bufsz);
extern int reparse_vnode_parse(vnode_t *vp, nvlist_t *nvl);
#else
extern int reparse_add(nvlist_t *nvl, const char *svc_type,
const char *svc_data);
extern int reparse_remove(nvlist_t *nvl, const char *svc_type);
extern int reparse_unparse(nvlist_t *nvl, char **stringp);
extern int reparse_create(const char *path, const char *data);
extern int reparse_delete(const char *path);
extern int reparse_deref(const char *svc_type, const char *svc_data,
char *buf, size_t *bufsz);
#endif
#ifdef __cplusplus
}
#endif
#endif /* _FS_REPARSE_H */