mirror of https://gitee.com/openkylin/qemu.git
23 lines
618 B
C
23 lines
618 B
C
#ifndef __HPET__
|
|
#define __HPET__ 1
|
|
|
|
|
|
|
|
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 0x0001 /* timer is periodic */
|
|
|
|
#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 */
|
|
|
|
#endif /* !__HPET__ */
|