2015-02-04 09:26:43 +01:00
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/*-
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* Copyright (c) 2014, Bryan Venteicher <bryanv@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef X86_PVCLOCK
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#define X86_PVCLOCK
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struct pvclock_vcpu_time_info {
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uint32_t version;
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uint32_t pad0;
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uint64_t tsc_timestamp;
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uint64_t system_time;
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uint32_t tsc_to_system_mul;
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int8_t tsc_shift;
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uint8_t flags;
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uint8_t pad[2];
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};
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#define PVCLOCK_FLAG_TSC_STABLE 0x01
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#define PVCLOCK_FLAG_GUEST_PASUED 0x02
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struct pvclock_wall_clock {
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uint32_t version;
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uint32_t sec;
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uint32_t nsec;
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};
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void pvclock_resume(void);
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uint64_t pvclock_get_last_cycles(void);
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2015-02-04 09:33:04 +01:00
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uint64_t pvclock_tsc_freq(struct pvclock_vcpu_time_info *ti);
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2015-02-04 09:26:43 +01:00
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uint64_t pvclock_get_timecount(struct pvclock_vcpu_time_info *ti);
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void pvclock_get_wallclock(struct pvclock_wall_clock *wc,
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struct timespec *ts);
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#endif
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