56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/*
|
|
* 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
|