1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 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_ */ 92