Differential D1429 Diff 2982 sys/x86/include/pvclock.h

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sys/x86/include/pvclock.h

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				/*-
				* Copyright (c) 2014, Bryan Venteicher <bryanv@FreeBSD.org>
				* All rights reserved.
				*
				* Redistribution and use in source and binary forms, with or without
				* modification, are permitted provided that the following conditions
				* are met:
				* 1. Redistributions of source code must retain the above copyright
				* notice, this list of conditions and the following disclaimer.
				* 2. Redistributions in binary form must reproduce the above copyright
				* notice, this list of conditions and the following disclaimer in the
				* documentation and/or other materials provided with the distribution.
				*
				* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
				* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
				* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
				* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
				* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
				* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
				* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
				* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
				* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
				* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
				* SUCH DAMAGE.
				*
				* $FreeBSD$
				*/

				#ifndef X86_PVCLOCK
				#define X86_PVCLOCK

				struct pvclock_vcpu_time_info {
				uint32_t version;
				uint32_t pad0;
				uint64_t tsc_timestamp;
				uint64_t system_time;
				uint32_t tsc_to_system_mul;
				int8_t tsc_shift;
				uint8_t flags;
				uint8_t pad[2];
				} __packed;

				#define PVCLOCK_FLAG_TSC_STABLE 0x01
				#define PVCLOCK_FLAG_GUEST_PASUED 0x02

				struct pvclock_wall_clock {
				uint32_t version;
				uint32_t sec;
				uint32_t nsec;
				} __packed;
				roygerUnsubmitted Not Done Inline Actions You don't need the __packed here or above, the layout of those structures already make them packed. royger: You don't need the __packed here or above, the layout of those structures already make them…

				void pvclock_resume(void);
				uint64_t pvclock_get_timecount(struct pvclock_vcpu_time_info *ti);
				void pvclock_get_wallclock(struct pvclock_wall_clock *wc,
				struct timespec *ts);

				#endif