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hyper-v: introduce Hyper-V support infrastructure.

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[Jan: fix build with CONFIG_USER_ONLY]

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Vadim Rozenfeld 2011-12-18 22:48:13 +02:00 • committed by Marcelo Tosatti
parent 8c4ec5c026
commit 28f52cc04d
4 changed files with 123 additions and 0 deletions
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43
target-i386/hyperv.h Normal file
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/*
* QEMU Hyper-V support
*
* Copyright Red Hat, Inc. 2011
*
* Author: Vadim Rozenfeld <vrozenfe@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#ifndef QEMU_HW_HYPERV_H
#define QEMU_HW_HYPERV_H 1
#include "qemu-common.h"
#include <asm/hyperv.h>
#ifndef HYPERV_SPINLOCK_NEVER_RETRY
#define HYPERV_SPINLOCK_NEVER_RETRY 0xFFFFFFFF
#endif
#ifndef KVM_CPUID_SIGNATURE_NEXT
#define KVM_CPUID_SIGNATURE_NEXT 0x40000100
#endif
#ifndef CONFIG_USER_ONLY
void hyperv_enable_vapic_recommended(bool val);
void hyperv_enable_relaxed_timing(bool val);
void hyperv_set_spinlock_retries(int val);
#else
static inline void hyperv_enable_vapic_recommended(bool val) { }
static inline void hyperv_enable_relaxed_timing(bool val) { }
static inline void hyperv_set_spinlock_retries(int val) { }
#endif
bool hyperv_enabled(void);
bool hyperv_hypercall_available(void);
bool hyperv_vapic_recommended(void);
bool hyperv_relaxed_timing_enabled(void);
int hyperv_get_spinlock_retries(void);
#endif /* QEMU_HW_HYPERV_H */