/* * 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 */ uint32_t vmcs_id; /* VMCS revision identifier */ uint8_t vmcs_mem_type; /* VMCS memory type, (see enum above) */ uint16_t vmcs_size; /* VMCS region size in bytes */ boolean_t act_halt; /* HLT activity state supported */ boolean_t act_shutdown; /* shutdown activity state supported */ boolean_t act_SIPI; /* wait-for-SIPI activity supported */ boolean_t act_CSTATE; /* C-state activity state supported */ uint8_t cr3_targs; /* CR3 target values supported */ uint32_t max_msrs; /* max MSRs to load/store on VMX transition */ uint32_t mseg_id; /* MSEG revision identifier for SMI */ /* * Allowed settings for these controls are specified by * a pair of bitfields: 0-settings contain 0 bits * corresponding to controls thay may be 0; 1-settings * contain 1 bits corresponding to controls that may be 1. */ uint32_t pin_exctls_0; /* allowed 0s pin-based controls */ uint32_t pin_exctls_1; /* allowed 1s pin-based controls */ uint32_t proc_exctls_0; /* allowed 0s proc-based controls */ uint32_t proc_exctls_1; /* allowed 1s proc-based controls */ uint32_t sec_exctls_0; /* allowed 0s 2ndary proc-based ctrls */ uint32_t sec_exctls_1; /* allowed 1s 2ndary proc-based ctrls */ uint32_t exit_ctls_0; /* allowed 0s VM-exit controls */ uint32_t exit_ctls_1; /* allowed 1s VM-exit controls */ uint32_t enter_ctls_0; /* allowed 0s VM-entry controls */ uint32_t enter_ctls_1; /* allowed 1s VM-entry controls */ /* * 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_get_specs(void); void vmx_resume(void); void vmx_suspend(void); /* * __vmxoff -- Leave VMX Operation * */ extern int __vmxoff(void); /* * __vmxon -- Enter VMX Operation * */ extern int __vmxon(addr64_t v); #endif /* _I386_VMX_CPU_H_ */