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TOMOYO Linux Cross Reference
Linux/include/uapi/linux/hpet.h

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  1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2 #ifndef _UAPI__HPET__
  3 #define _UAPI__HPET__
  4 
  5 #include <linux/compiler.h>
  6 
  7 
  8 struct hpet_info {
  9         unsigned long hi_ireqfreq;      /* Hz */
 10         unsigned long hi_flags; /* information */
 11         unsigned short hi_hpet;
 12         unsigned short hi_timer;
 13 };
 14 
 15 #define HPET_INFO_PERIODIC      0x0010  /* periodic-capable comparator */
 16 
 17 #define HPET_IE_ON      _IO('h', 0x01)  /* interrupt on */
 18 #define HPET_IE_OFF     _IO('h', 0x02)  /* interrupt off */
 19 #define HPET_INFO       _IOR('h', 0x03, struct hpet_info)
 20 #define HPET_EPI        _IO('h', 0x04)  /* enable periodic */
 21 #define HPET_DPI        _IO('h', 0x05)  /* disable periodic */
 22 #define HPET_IRQFREQ    _IOW('h', 0x6, unsigned long)   /* IRQFREQ usec */
 23 
 24 #define MAX_HPET_TBS    8               /* maximum hpet timer blocks */
 25 
 26 #endif /* _UAPI__HPET__ */
 27 

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