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1da177e4 LT |
1 | /* toshiba.h -- Linux driver for accessing the SMM on Toshiba laptops |
2 | * | |
3 | * Copyright (c) 1996-2000 Jonathan A. Buzzard (jonathan@buzzard.org.uk) | |
4 | * | |
5 | * Thanks to Juergen Heinzl <juergen@monocerus.demon.co.uk> for the pointers | |
6 | * on making sure the structure is aligned and packed. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2, or (at your option) any | |
11 | * later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | */ | |
19 | ||
20 | #ifndef _LINUX_TOSHIBA_H | |
21 | #define _LINUX_TOSHIBA_H | |
22 | ||
23 | #define TOSH_PROC "/proc/toshiba" | |
24 | #define TOSH_DEVICE "/dev/toshiba" | |
25 | #define TOSH_SMM _IOWR('t', 0x90, int) /* broken: meant 24 bytes */ | |
26 | ||
27 | typedef struct { | |
28 | unsigned int eax; | |
29 | unsigned int ebx __attribute__ ((packed)); | |
30 | unsigned int ecx __attribute__ ((packed)); | |
31 | unsigned int edx __attribute__ ((packed)); | |
32 | unsigned int esi __attribute__ ((packed)); | |
33 | unsigned int edi __attribute__ ((packed)); | |
34 | } SMMRegisters; | |
35 | ||
f9506a53 AB |
36 | int tosh_smm(SMMRegisters *regs); |
37 | ||
1da177e4 | 38 | #endif |