28 lines
735 B
C
28 lines
735 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Definitions for the clocksource provided by the Hyper-V
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* hypervisor to guest VMs, as described in the Hyper-V Top
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* Level Functional Spec (TLFS).
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*
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* Copyright (C) 2019, Microsoft, Inc.
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*
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* Author: Michael Kelley <mikelley@microsoft.com>
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*/
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#ifndef __CLKSOURCE_HYPERV_TIMER_H
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#define __CLKSOURCE_HYPERV_TIMER_H
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#define HV_MAX_MAX_DELTA_TICKS 0xffffffff
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#define HV_MIN_DELTA_TICKS 1
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/* Routines called by the VMbus driver */
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extern int hv_stimer_alloc(int sint);
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extern void hv_stimer_free(void);
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extern void hv_stimer_init(unsigned int cpu);
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extern void hv_stimer_cleanup(unsigned int cpu);
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extern void hv_stimer_global_cleanup(void);
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extern void hv_stimer0_isr(void);
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#endif
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