1 /* 2 * This header was generated from the Linux kernel headers by update_headers.py, 3 * to provide necessary information from kernel to userspace, such as constants, 4 * structures, and macros, and thus, contains no copyrightable information. 5 */ 6 #ifndef _UAPI__HPET__ 7 #define _UAPI__HPET__ 8 #include <linux/compiler.h> 9 struct hpet_info { 10 unsigned long hi_ireqfreq; 11 unsigned long hi_flags; 12 unsigned short hi_hpet; 13 unsigned short hi_timer; 14 }; 15 #define HPET_INFO_PERIODIC 0x0010 16 #define HPET_IE_ON _IO('h', 0x01) 17 #define HPET_IE_OFF _IO('h', 0x02) 18 #define HPET_INFO _IOR('h', 0x03, struct hpet_info) 19 #define HPET_EPI _IO('h', 0x04) 20 #define HPET_DPI _IO('h', 0x05) 21 #define HPET_IRQFREQ _IOW('h', 0x6, unsigned long) 22 #define MAX_HPET_TBS 8 23 #endif 24