1 /*-
2 * Copyright (c) 2003 Matthew N. Dodd <winter@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29 #ifndef _MACHINE_SMAPI_H_
30 #define _MACHINE_SMAPI_H_
31
32 #ifndef _KERNEL
33 #include <sys/types.h>
34 #endif
35 #include <sys/ioccom.h>
36
37 struct smapi_bios_header {
38 u_int8_t signature[4]; /* '$SMB' */
39 u_int8_t version_major;
40 u_int8_t version_minor;
41 u_int8_t length;
42 u_int8_t checksum;
43 u_int16_t information;
44 #define SMAPI_REAL_VM86 0x0001
45 #define SMAPI_PROT_16BIT 0x0002
46 #define SMAPI_PROT_32BIT 0x0004
47 u_int16_t reserved1;
48
49 u_int16_t real16_offset;
50 u_int16_t real16_segment;
51
52 u_int16_t reserved2;
53
54 u_int16_t prot16_offset;
55 u_int32_t prot16_segment;
56
57 u_int32_t prot32_offset;
58 u_int32_t prot32_segment;
59
60 } __packed;
61
62 struct smapi_bios_parameter {
63 union {
64 struct {
65 u_int8_t func;
66 u_int8_t sub_func;
67 } in;
68 struct {
69 u_int8_t rc;
70 u_int8_t sub_rc;
71 } out;
72 } type;
73
74 u_int16_t param1;
75 u_int16_t param2;
76 u_int16_t param3;
77
78 u_int32_t param4;
79 u_int32_t param5;
80
81 } __packed;
82
83 #define cmd_func type.in.func
84 #define cmd_sub_func type.in.sub_func
85 #define rsp_rc type.out.rc
86 #define rsp_sub_rc type.out.sub_rc
87
88 #define SMAPIOGHEADER _IOR('$', 0, struct smapi_bios_header)
89 #define SMAPIOCGFUNCTION _IOWR('$', 1, struct smapi_bios_parameter)
90
91 #endif /* _MACHINE_SMAPI_H_ */
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