/usr/arm-linux-gnueabi/include/linux/hpet.h is in linux-libc-dev-armel-cross 4.4.0-18.34cross1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | #ifndef __HPET__
#define __HPET__
struct hpet_info {
unsigned long hi_ireqfreq; /* Hz */
unsigned long hi_flags; /* information */
unsigned short hi_hpet;
unsigned short hi_timer;
};
#define HPET_INFO_PERIODIC 0x0010 /* periodic-capable comparator */
#define HPET_IE_ON _IO('h', 0x01) /* interrupt on */
#define HPET_IE_OFF _IO('h', 0x02) /* interrupt off */
#define HPET_INFO _IOR('h', 0x03, struct hpet_info)
#define HPET_EPI _IO('h', 0x04) /* enable periodic */
#define HPET_DPI _IO('h', 0x05) /* disable periodic */
#define HPET_IRQFREQ _IOW('h', 0x6, unsigned long) /* IRQFREQ usec */
#define MAX_HPET_TBS 8 /* maximum hpet timer blocks */
#endif /* __HPET__ */
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