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![David Howells](/assets/img/avatar_default.png)
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
25 lines
722 B
C
25 lines
722 B
C
#ifndef _UAPI__HPET__
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#define _UAPI__HPET__
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#include <linux/compiler.h>
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struct hpet_info {
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unsigned long hi_ireqfreq; /* Hz */
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unsigned long hi_flags; /* information */
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unsigned short hi_hpet;
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unsigned short hi_timer;
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};
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#define HPET_INFO_PERIODIC 0x0010 /* periodic-capable comparator */
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#define HPET_IE_ON _IO('h', 0x01) /* interrupt on */
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#define HPET_IE_OFF _IO('h', 0x02) /* interrupt off */
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#define HPET_INFO _IOR('h', 0x03, struct hpet_info)
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#define HPET_EPI _IO('h', 0x04) /* enable periodic */
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#define HPET_DPI _IO('h', 0x05) /* disable periodic */
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#define HPET_IRQFREQ _IOW('h', 0x6, unsigned long) /* IRQFREQ usec */
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#define MAX_HPET_TBS 8 /* maximum hpet timer blocks */
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#endif /* _UAPI__HPET__ */
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