46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/*
|
|
* 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"
|
|
#ifdef CONFIG_KVM
|
|
#include <asm/hyperv.h>
|
|
#endif
|
|
|
|
#ifndef HYPERV_SPINLOCK_NEVER_RETRY
|
|
#define HYPERV_SPINLOCK_NEVER_RETRY 0xFFFFFFFF
|
|
#endif
|
|
|
|
#ifndef KVM_CPUID_SIGNATURE_NEXT
|
|
#define KVM_CPUID_SIGNATURE_NEXT 0x40000100
|
|
#endif
|
|
|
|
#if !defined(CONFIG_USER_ONLY) && defined(CONFIG_KVM)
|
|
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 */
|