toshiba.h 1.3 KB

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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 (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. #ifndef _LINUX_TOSHIBA_H
  20. #define _LINUX_TOSHIBA_H
  21. #define TOSH_PROC "/proc/toshiba"
  22. #define TOSH_DEVICE "/dev/toshiba"
  23. #define TOSH_SMM _IOWR('t', 0x90, int) /* broken: meant 24 bytes */
  24. typedef struct {
  25. unsigned int eax;
  26. unsigned int ebx __attribute__ ((packed));
  27. unsigned int ecx __attribute__ ((packed));
  28. unsigned int edx __attribute__ ((packed));
  29. unsigned int esi __attribute__ ((packed));
  30. unsigned int edi __attribute__ ((packed));
  31. } SMMRegisters;
  32. int tosh_smm(SMMRegisters *regs);
  33. #endif