7534ac7ab7
Interface (SMAPI) BIOS, which is present on some IBM Thinkpad models (560, 600, 770 to name a few.) The SMAPI BIOS provides access to System Information, System Configuration, and Power Management.
92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/*-
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* Copyright (c) 2003 Matthew N. Dodd <winter@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_SMAPI_H_
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#define _MACHINE_SMAPI_H_
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#ifndef _KERNEL
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#include <sys/types.h>
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#endif
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#include <sys/ioccom.h>
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struct smapi_bios_header {
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u_int8_t signature[4]; /* '$SMB' */
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u_int8_t version_major;
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u_int8_t version_minor;
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u_int8_t length;
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u_int8_t checksum;
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u_int16_t information;
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#define SMAPI_REAL_VM86 0x0001
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#define SMAPI_PROT_16BIT 0x0002
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#define SMAPI_PROT_32BIT 0x0004
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u_int16_t reserved1;
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u_int16_t real16_offset;
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u_int16_t real16_segment;
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u_int16_t reserved2;
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u_int16_t prot16_offset;
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u_int32_t prot16_segment;
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u_int32_t prot32_offset;
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u_int32_t prot32_segment;
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};
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struct smapi_bios_parameter {
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union {
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struct {
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u_int8_t func;
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u_int8_t sub_func;
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} in;
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struct {
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u_int8_t rc;
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u_int8_t sub_rc;
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} out;
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} type;
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u_int16_t param1;
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u_int16_t param2;
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u_int16_t param3;
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u_int32_t param4;
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u_int32_t param5;
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};
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#define cmd_func type.in.func
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#define cmd_sub_func type.in.sub_func
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#define rsp_rc type.out.rc
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#define rsp_sub_rc type.out.sub_rc
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#define SMAPIOGHEADER _IOR('$', 0, struct smapi_bios_header)
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#define SMAPIOCGFUNCTION _IOWR('$', 1, struct smapi_bios_parameter)
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#endif /* _MACHINE_SMAPI_H_ */
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