libsmbios_c library
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00001 // vim:expandtab:autoindent:tabstop=4:shiftwidth=4:filetype=c: 00002 /* 00003 * Copyright (C) 2005 Dell Inc. 00004 * by Michael Brown <Michael_E_Brown@dell.com> 00005 * Licensed under the Open Software License version 2.1 00006 * 00007 * Alternatively, you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published 00009 * by the Free Software Foundation; either version 2 of the License, 00010 * or (at your option) any later version. 00011 00012 * This program is distributed in the hope that it will be useful, but 00013 * WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 00015 * See the GNU General Public License for more details. 00016 */ 00017 00018 00019 #ifndef C_OBJ_CMOS_H 00020 #define C_OBJ_CMOS_H 00021 00022 // include smbios_c/compat.h first 00023 #include "smbios_c/compat.h" 00024 00025 #include "smbios_c/types.h" 00026 00027 EXTERN_C_BEGIN; 00028 00029 #define CMOS_DEFAULTS 0x0000 00030 #define CMOS_GET_SINGLETON 0x0001 00031 #define CMOS_GET_NEW 0x0002 00032 #define CMOS_UNIT_TEST_MODE 0x0004 00033 #define CMOS_NO_ERR_CLEAR 0x0008 00034 00035 // forward declaration to reduce header file deps 00036 struct cmos_access_obj; 00037 00038 LIBSMBIOS_C_DLL_SPEC struct cmos_access_obj *cmos_obj_factory(int flags, ...); 00039 LIBSMBIOS_C_DLL_SPEC void cmos_obj_free(struct cmos_access_obj *); 00040 00041 LIBSMBIOS_C_DLL_SPEC int cmos_obj_read_byte(const struct cmos_access_obj *, u8 *byte, u32 indexPort, u32 dataPort, u32 offset); 00042 LIBSMBIOS_C_DLL_SPEC int cmos_obj_write_byte(const struct cmos_access_obj *, u8 byte, u32 indexPort, u32 dataPort, u32 offset); 00043 00044 // format error string 00045 LIBSMBIOS_C_DLL_SPEC const char *cmos_obj_strerror(const struct cmos_access_obj *m); 00046 00047 // useful for checksums, etc 00048 typedef int (*cmos_write_callback)(const struct cmos_access_obj *, bool, void *); 00049 LIBSMBIOS_C_DLL_SPEC void cmos_obj_register_write_callback(struct cmos_access_obj *, cmos_write_callback, void *, void (*destruct)(void *)); 00050 LIBSMBIOS_C_DLL_SPEC int cmos_obj_run_callbacks(const struct cmos_access_obj *m, bool do_update); 00051 00052 EXTERN_C_END; 00053 00054 #endif /* CMOS_H */