1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2003 Matthew N. Dodd <winter@freebsd.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 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. 15 * 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 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _MACHINE_SMAPI_H_ 32 #define _MACHINE_SMAPI_H_ 33 34 #ifndef _KERNEL 35 #include <sys/types.h> 36 #endif 37 #include <sys/ioccom.h> 38 39 struct smapi_bios_header { 40 u_int8_t signature[4]; /* '$SMB' */ 41 u_int8_t version_major; 42 u_int8_t version_minor; 43 u_int8_t length; 44 u_int8_t checksum; 45 u_int16_t information; 46 #define SMAPI_REAL_VM86 0x0001 47 #define SMAPI_PROT_16BIT 0x0002 48 #define SMAPI_PROT_32BIT 0x0004 49 u_int16_t reserved1; 50 51 u_int16_t real16_offset; 52 u_int16_t real16_segment; 53 54 u_int16_t reserved2; 55 56 u_int16_t prot16_offset; 57 u_int32_t prot16_segment; 58 59 u_int32_t prot32_offset; 60 u_int32_t prot32_segment; 61 62 } __packed; 63 64 struct smapi_bios_parameter { 65 union { 66 struct { 67 u_int8_t func; 68 u_int8_t sub_func; 69 } in; 70 struct { 71 u_int8_t rc; 72 u_int8_t sub_rc; 73 } out; 74 } type; 75 76 u_int16_t param1; 77 u_int16_t param2; 78 u_int16_t param3; 79 80 u_int32_t param4; 81 u_int32_t param5; 82 83 } __packed; 84 85 #define cmd_func type.in.func 86 #define cmd_sub_func type.in.sub_func 87 #define rsp_rc type.out.rc 88 #define rsp_sub_rc type.out.sub_rc 89 90 #define SMAPIOGHEADER _IOR('$', 0, struct smapi_bios_header) 91 #define SMAPIOCGFUNCTION _IOWR('$', 1, struct smapi_bios_parameter) 92 93 #endif /* _MACHINE_SMAPI_H_ */ 94