drivers/misc/tizen_global_lock.h

   1 /*
   2  * Copyright (C) 2013 Samsung Electronics Co.Ltd
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8
   9 #ifndef __TIZEN_GLOBAL_LOCK_H__
  10 #define __TIZEN_GLOBAL_LOCK_H__
  11
  12 #include <linux/ioctl.h>
  13
  14 #define TGL_IOC_BASE    0x32
  15 #define TGL_MAJOR       224
  16
  17 struct tgl_attribute {
  18         unsigned int key;
  19         unsigned int timeout_ms;
  20 };
  21
  22 struct tgl_user_data {
  23         unsigned int key;
  24         unsigned int data1;
  25         unsigned int data2;
  26         unsigned int locked;
  27 };
  28
  29 enum tgl_ioctls {
  30         TGL_INIT_LOCK = 1,
  31         TGL_DESTROY_LOCK,
  32         TGL_LOCK_LOCK,
  33         TGL_UNLOCK_LOCK,
  34         TGL_SET_DATA,
  35         TGL_GET_DATA,
  36         TGL_DUMP_LOCKS,
  37 };
  38
  39 #define TGL_IOC_INIT_LOCK       _IOW(TGL_IOC_BASE, TGL_INIT_LOCK,       \
  40                                         struct tgl_attribute *)
  41 #define TGL_IOC_INIT_LOCK_COMPAT                                        \
  42                                 _IOW(TGL_IOC_BASE, TGL_INIT_LOCK,       \
  43                                         unsigned int)
  44 #define TGL_IOC_DESTROY_LOCK    _IOW(TGL_IOC_BASE, TGL_DESTROY_LOCK,    \
  45                                         unsigned int)
  46 #define TGL_IOC_LOCK_LOCK       _IOW(TGL_IOC_BASE, TGL_LOCK_LOCK,       \
  47                                         unsigned int)
  48 #define TGL_IOC_UNLOCK_LOCK     _IOW(TGL_IOC_BASE, TGL_UNLOCK_LOCK,     \
  49                                         unsigned int)
  50 #define TGL_IOC_SET_DATA        _IOW(TGL_IOC_BASE, TGL_SET_DATA,        \
  51                                         struct tgl_user_data *)
  52 #define TGL_IOC_SET_DATA_COMPAT _IOW(TGL_IOC_BASE, TGL_SET_DATA,        \
  53                                         unsigned int)
  54 #define TGL_IOC_GET_DATA        _IOW(TGL_IOC_BASE, TGL_GET_DATA,        \
  55                                         struct tgl_user_data *)
  56 #define TGL_IOC_GET_DATA_COMPAT _IOW(TGL_IOC_BASE, TGL_GET_DATA,        \
  57                                         unsigned int)
  58 #define TGL_IOC_DUMP_LOCKS      _IOW(TGL_IOC_BASE, TGL_DUMP_LOCKS, void *)
  59 #define TGL_IOC_DUMP_LOCKS_COMPAT                                       \
  60                                 _IOW(TGL_IOC_BASE, TGL_DUMP_LOCKS, unsigned int)
  61
  62 #endif /* __TIZEN_GLOBAL_LOCK_H__ */