2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2003 Matthew N. Dodd <winter@freebsd.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #ifndef _MACHINE_SMAPI_H_
32 #define _MACHINE_SMAPI_H_
35 #include <sys/types.h>
37 #include <sys/ioccom.h>
39 struct smapi_bios_header {
40 u_int8_t signature[4]; /* '$SMB' */
41 u_int8_t version_major;
42 u_int8_t version_minor;
45 u_int16_t information;
46 #define SMAPI_REAL_VM86 0x0001
47 #define SMAPI_PROT_16BIT 0x0002
48 #define SMAPI_PROT_32BIT 0x0004
51 u_int16_t real16_offset;
52 u_int16_t real16_segment;
56 u_int16_t prot16_offset;
57 u_int32_t prot16_segment;
59 u_int32_t prot32_offset;
60 u_int32_t prot32_segment;
64 struct smapi_bios_parameter {
85 #define cmd_func type.in.func
86 #define cmd_sub_func type.in.sub_func
87 #define rsp_rc type.out.rc
88 #define rsp_sub_rc type.out.sub_rc
90 #define SMAPIOGHEADER _IOR('$', 0, struct smapi_bios_header)
91 #define SMAPIOCGFUNCTION _IOWR('$', 1, struct smapi_bios_parameter)
93 #endif /* _MACHINE_SMAPI_H_ */