1/* 2 * Copyright (c) 2006 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29#ifndef _I386_VMX_CPU_H_ 30#define _I386_VMX_CPU_H_ 31 32#include <mach/machine/vm_types.h> 33#include <mach/boolean.h> 34#include <i386/vmx/vmx_asm.h> 35 36/* 37 * Physical CPU's VMX specifications 38 * 39 */ 40typedef struct vmx_specs { 41 boolean_t initialized; /* the specs have already been read */ 42 boolean_t vmx_present; /* VMX feature available and enabled */ 43 uint32_t vmcs_id; /* VMCS revision identifier */ 44 uint8_t vmcs_mem_type; /* VMCS memory type, (see enum above) */ 45 uint16_t vmcs_size; /* VMCS region size in bytes */ 46 boolean_t act_halt; /* HLT activity state supported */ 47 boolean_t act_shutdown; /* shutdown activity state supported */ 48 boolean_t act_SIPI; /* wait-for-SIPI activity supported */ 49 boolean_t act_CSTATE; /* C-state activity state supported */ 50 uint8_t cr3_targs; /* CR3 target values supported */ 51 uint32_t max_msrs; /* max MSRs to load/store on VMX transition */ 52 uint32_t mseg_id; /* MSEG revision identifier for SMI */ 53 /* 54 * Allowed settings for these controls are specified by 55 * a pair of bitfields: 0-settings contain 0 bits 56 * corresponding to controls thay may be 0; 1-settings 57 * contain 1 bits corresponding to controls that may be 1. 58 */ 59 uint32_t pin_exctls_0; /* allowed 0s pin-based controls */ 60 uint32_t pin_exctls_1; /* allowed 1s pin-based controls */ 61 62 uint32_t proc_exctls_0; /* allowed 0s proc-based controls */ 63 uint32_t proc_exctls_1; /* allowed 1s proc-based controls */ 64 65 uint32_t sec_exctls_0; /* allowed 0s 2ndary proc-based ctrls */ 66 uint32_t sec_exctls_1; /* allowed 1s 2ndary proc-based ctrls */ 67 68 uint32_t exit_ctls_0; /* allowed 0s VM-exit controls */ 69 uint32_t exit_ctls_1; /* allowed 1s VM-exit controls */ 70 71 uint32_t enter_ctls_0; /* allowed 0s VM-entry controls */ 72 uint32_t enter_ctls_1; /* allowed 1s VM-entry controls */ 73 74 /* 75 * Fixed control register bits are specified by a pair of 76 * bitfields: 0-settings contain 0 bits corresponding to 77 * CR bits that may be 0; 1-settings contain 1 bits 78 * corresponding to CR bits that may be 1. 79 */ 80 uint32_t cr0_fixed_0; /* allowed 0-settings for CR0 */ 81 uint32_t cr0_fixed_1; /* allowed 1-settings for CR0 */ 82 83 uint32_t cr4_fixed_0; /* allowed 0-settings for CR4 */ 84 uint32_t cr4_fixed_1; /* allowed 1-settings for CR4 */ 85} vmx_specs_t; 86 87typedef struct vmx_cpu { 88 vmx_specs_t specs; /* this phys CPU's VMX specifications */ 89 void *vmxon_region; /* the logical address of the VMXON region page */ 90} vmx_cpu_t; 91 92void vmx_get_specs(void); 93void vmx_resume(void); 94void vmx_suspend(void); 95 96/* 97 * __vmxoff -- Leave VMX Operation 98 * 99 */ 100extern int __vmxoff(void); 101 102/* 103 * __vmxon -- Enter VMX Operation 104 * 105 */ 106extern int __vmxon(addr64_t v); 107 108#endif /* _I386_VMX_CPU_H_ */ 109