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toshiba.h
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1 /* toshiba.h -- Linux driver for accessing the SMM on Toshiba laptops
2  *
3  * Copyright (c) 1996-2000 Jonathan A. Buzzard ([email protected])
4  *
5  * Thanks to Juergen Heinzl <[email protected]> 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 _UAPI_LINUX_TOSHIBA_H
21 #define _UAPI_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 
36 
37 #endif /* _UAPI_LINUX_TOSHIBA_H */