/* * 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 * limitations under the License. * * @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_init(void); void vmx_cpu_init(void); void vmx_resume(void); 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_ */