/*
* Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
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*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifndef _I386_VMX_CPU_H_
#define _I386_VMX_CPU_H_
#include <mach/machine/vm_types.h>
#include <mach/boolean.h>
#include <i386/vmx/vmx_asm.h>
/*
* Physical CPU's VMX specifications
*
*/
typedef struct vmx_specs {
boolean_t initialized; /* the specs have already been read */
boolean_t vmx_present; /* VMX feature available and enabled */
boolean_t vmx_on; /* VMX is active */
uint32_t vmcs_id; /* VMCS revision identifier */
/*
* Fixed control register bits are specified by a pair of
* bitfields: 0-settings contain 0 bits corresponding to
* CR bits that may be 0; 1-settings contain 1 bits
* corresponding to CR bits that may be 1.
*/
uint32_t cr0_fixed_0; /* allowed 0-settings for CR0 */
uint32_t cr0_fixed_1; /* allowed 1-settings for CR0 */
uint32_t cr4_fixed_0; /* allowed 0-settings for CR4 */
uint32_t cr4_fixed_1; /* allowed 1-settings for CR4 */
} vmx_specs_t;
typedef struct vmx_cpu {
vmx_specs_t specs; /* this phys CPU's VMX specifications */
void *vmxon_region; /* the logical address of the VMXON region page */
} vmx_cpu_t;
void vmx_cpu_init(void);
void vmx_resume(boolean_t is_wake_from_hibernate);
void vmx_suspend(void);
#define VMX_BASIC_TRUE_CTLS (1ull << 55)
#define VMX_TRUE_PROCBASED_SECONDARY_CTLS (1ull << 31)
#define VMX_PROCBASED_CTLS2_EPT (1ull << 1)
#define VMX_PROCBASED_CTLS2_UNRESTRICTED (1ull << 7)
#define VMX_CAP(msr, shift, mask) (rdmsr64(msr) & ((mask) << (shift)))
boolean_t vmx_hv_support(void);
/*
* __vmxoff -- Leave VMX Operation
*
*/
extern int __vmxoff(void);
/*
* __vmxon -- Enter VMX Operation
*
*/
extern int __vmxon(addr64_t v);
#endif /* _I386_VMX_CPU_H_ */