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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 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_DEVCACHE_H
#define _SYS_DEVCACHE_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/list.h>
#ifdef _KERNEL
/*
* Handle reference to a registered file
*/
typedef struct __nvf_handle *nvf_handle_t;
/*
* Registration descriptor for a cache file within /etc/devices
*
* path - cache file path path
* unpack_list - when reading, called to unpack nvlist
* pack_list - when writing, called to pack nvlist
* list_free - free data contained within list
* write_complete - called when write is completed
*/
typedef struct nvf_ops {
char *nvfr_cache_path;
int (*nvfr_unpack_nvlist)(nvf_handle_t, nvlist_t *, char *);
int (*nvfr_pack_list)(nvf_handle_t, nvlist_t **);
void (*nvfr_list_free)(nvf_handle_t);
void (*nvfr_write_complete)(nvf_handle_t);
} nvf_ops_t;
/*
* Client interfaces
*/
nvf_handle_t nvf_register_file(nvf_ops_t *);
int nvf_read_file(nvf_handle_t);
void nvf_wake_daemon(void);
void nvf_error(const char *, ...);
char *nvf_cache_name(nvf_handle_t);
krwlock_t *nvf_lock(nvf_handle_t);
list_t *nvf_list(nvf_handle_t);
void nvf_mark_dirty(nvf_handle_t);
int nvf_is_dirty(nvf_handle_t);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_DEVCACHE_H */
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