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/*
* This header is for functions & variables that will ONLY be
* used inside libkvm for x86.
* THESE ARE NOT EXPOSED TO THE USER AND ARE ONLY FOR USE
* WITHIN LIBKVM.
*
* derived from libkvm.c
*
* Copyright (C) 2006 Qumranet, Inc.
*
* Authors:
* Avi Kivity <avi@qumranet.com>
* Yaniv Kamay <yaniv@qumranet.com>
*
* This work is licensed under the GNU LGPL license, version 2.
*/
#ifndef KVM_X86_H
#define KVM_X86_H
#include "kvm-common.h"
#define PAGE_SIZE 4096ul
#define PAGE_MASK (~(PAGE_SIZE - 1))
int kvm_set_tss_addr(kvm_context_t kvm, unsigned long addr);
#ifdef KVM_CAP_VAPIC
/*!
* \brief Enable kernel tpr access reporting
*
* When tpr access reporting is enabled, the kernel will call the
* ->tpr_access() callback every time the guest vcpu accesses the tpr.
*
* \param kvm Pointer to the current kvm_context
* \param vcpu vcpu to enable tpr access reporting on
*/
int kvm_enable_tpr_access_reporting(kvm_context_t kvm, int vcpu);
/*!
* \brief Disable kernel tpr access reporting
*
* Undoes the effect of kvm_enable_tpr_access_reporting().
*
* \param kvm Pointer to the current kvm_context
* \param vcpu vcpu to disable tpr access reporting on
*/
int kvm_disable_tpr_access_reporting(kvm_context_t kvm, int vcpu);
#endif
#define smp_wmb() asm volatile("" ::: "memory")
#endif
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