1*83c4dfe9Sjg /* 2*83c4dfe9Sjg * CDDL HEADER START 3*83c4dfe9Sjg * 4*83c4dfe9Sjg * The contents of this file are subject to the terms of the 5*83c4dfe9Sjg * Common Development and Distribution License (the "License"). 6*83c4dfe9Sjg * You may not use this file except in compliance with the License. 7*83c4dfe9Sjg * 8*83c4dfe9Sjg * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*83c4dfe9Sjg * or http://www.opensolaris.org/os/licensing. 10*83c4dfe9Sjg * See the License for the specific language governing permissions 11*83c4dfe9Sjg * and limitations under the License. 12*83c4dfe9Sjg * 13*83c4dfe9Sjg * When distributing Covered Code, include this CDDL HEADER in each 14*83c4dfe9Sjg * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*83c4dfe9Sjg * If applicable, add the following below this CDDL HEADER, with the 16*83c4dfe9Sjg * fields enclosed by brackets "[]" replaced with your own identifying 17*83c4dfe9Sjg * information: Portions Copyright [yyyy] [name of copyright owner] 18*83c4dfe9Sjg * 19*83c4dfe9Sjg * CDDL HEADER END 20*83c4dfe9Sjg */ 21*83c4dfe9Sjg /* 22*83c4dfe9Sjg * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23*83c4dfe9Sjg * Use is subject to license terms. 24*83c4dfe9Sjg */ 25*83c4dfe9Sjg 26*83c4dfe9Sjg #ifndef _SYS_DEVCACHE_H 27*83c4dfe9Sjg #define _SYS_DEVCACHE_H 28*83c4dfe9Sjg 29*83c4dfe9Sjg #ifdef __cplusplus 30*83c4dfe9Sjg extern "C" { 31*83c4dfe9Sjg #endif 32*83c4dfe9Sjg 33*83c4dfe9Sjg #include <sys/list.h> 34*83c4dfe9Sjg 35*83c4dfe9Sjg #ifdef _KERNEL 36*83c4dfe9Sjg 37*83c4dfe9Sjg /* 38*83c4dfe9Sjg * Handle reference to a registered file 39*83c4dfe9Sjg */ 40*83c4dfe9Sjg typedef struct __nvf_handle *nvf_handle_t; 41*83c4dfe9Sjg 42*83c4dfe9Sjg /* 43*83c4dfe9Sjg * Registration descriptor for a cache file within /etc/devices 44*83c4dfe9Sjg * 45*83c4dfe9Sjg * path - cache file path path 46*83c4dfe9Sjg * unpack_list - when reading, called to unpack nvlist 47*83c4dfe9Sjg * pack_list - when writing, called to pack nvlist 48*83c4dfe9Sjg * list_free - free data contained within list 49*83c4dfe9Sjg * write_complete - called when write is completed 50*83c4dfe9Sjg */ 51*83c4dfe9Sjg typedef struct nvf_ops { 52*83c4dfe9Sjg char *nvfr_cache_path; 53*83c4dfe9Sjg int (*nvfr_unpack_nvlist)(nvf_handle_t, nvlist_t *, char *); 54*83c4dfe9Sjg int (*nvfr_pack_list)(nvf_handle_t, nvlist_t **); 55*83c4dfe9Sjg void (*nvfr_list_free)(nvf_handle_t); 56*83c4dfe9Sjg void (*nvfr_write_complete)(nvf_handle_t); 57*83c4dfe9Sjg } nvf_ops_t; 58*83c4dfe9Sjg 59*83c4dfe9Sjg /* 60*83c4dfe9Sjg * Client interfaces 61*83c4dfe9Sjg */ 62*83c4dfe9Sjg 63*83c4dfe9Sjg nvf_handle_t nvf_register_file(nvf_ops_t *); 64*83c4dfe9Sjg int nvf_read_file(nvf_handle_t); 65*83c4dfe9Sjg void nvf_wake_daemon(void); 66*83c4dfe9Sjg void nvf_error(const char *, ...); 67*83c4dfe9Sjg char *nvf_cache_name(nvf_handle_t); 68*83c4dfe9Sjg krwlock_t *nvf_lock(nvf_handle_t); 69*83c4dfe9Sjg list_t *nvf_list(nvf_handle_t); 70*83c4dfe9Sjg void nvf_mark_dirty(nvf_handle_t); 71*83c4dfe9Sjg int nvf_is_dirty(nvf_handle_t); 72*83c4dfe9Sjg 73*83c4dfe9Sjg #endif /* _KERNEL */ 74*83c4dfe9Sjg 75*83c4dfe9Sjg #ifdef __cplusplus 76*83c4dfe9Sjg } 77*83c4dfe9Sjg #endif 78*83c4dfe9Sjg 79*83c4dfe9Sjg #endif /* _SYS_DEVCACHE_H */ 80