projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 2d21ac55 A |
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 | */ | |
| 40 | typedef struct vmx_specs { | |
| 41 | boolean_t initialized; /* the specs have already been read */ | |
| 42 | boolean_t vmx_present; /* VMX feature available and enabled */ | |
| fe8ab488 A |
43 | boolean_t vmx_on; /* VMX is active */ |
| 44 | uint32_t vmcs_id; /* VMCS revision identifier */ | |
| 2d21ac55 A |
45 | /* |
| 46 | * Fixed control register bits are specified by a pair of | |
| 47 | * bitfields: 0-settings contain 0 bits corresponding to | |
| 48 | * CR bits that may be 0; 1-settings contain 1 bits | |
| 49 | * corresponding to CR bits that may be 1. | |
| 50 | */ | |
| 51 | uint32_t cr0_fixed_0; /* allowed 0-settings for CR0 */ | |
| 52 | uint32_t cr0_fixed_1; /* allowed 1-settings for CR0 */ | |
| 53 | ||
| 54 | uint32_t cr4_fixed_0; /* allowed 0-settings for CR4 */ | |
| 55 | uint32_t cr4_fixed_1; /* allowed 1-settings for CR4 */ | |
| 56 | } vmx_specs_t; | |
| 57 | ||
| 58 | typedef struct vmx_cpu { | |
| 59 | vmx_specs_t specs; /* this phys CPU's VMX specifications */ | |
| 60 | void *vmxon_region; /* the logical address of the VMXON region page */ | |
| 61 | } vmx_cpu_t; | |
| 62 | ||
| fe8ab488 A |
63 | void vmx_init(void); |
| 64 | void vmx_cpu_init(void); | |
| 490019cf | 65 | void vmx_resume(boolean_t is_wake_from_hibernate); |
| 2d21ac55 A |
66 | void vmx_suspend(void); |
| 67 | ||
| fe8ab488 A |
68 | #define VMX_BASIC_TRUE_CTLS (1ull << 55) |
| 69 | #define VMX_TRUE_PROCBASED_SECONDARY_CTLS (1ull << 31) | |
| 70 | #define VMX_PROCBASED_CTLS2_EPT (1ull << 1) | |
| 71 | #define VMX_PROCBASED_CTLS2_UNRESTRICTED (1ull << 7) | |
| 72 | ||
| 73 | #define VMX_CAP(msr, shift, mask) (rdmsr64(msr) & ((mask) << (shift))) | |
| 74 | ||
| 75 | boolean_t vmx_hv_support(void); | |
| 76 | ||
| 316670eb A |
77 | /* |
| 78 | * __vmxoff -- Leave VMX Operation | |
| 79 | * | |
| 80 | */ | |
| 81 | extern int __vmxoff(void); | |
| 82 | ||
| 83 | /* | |
| 84 | * __vmxon -- Enter VMX Operation | |
| 85 | * | |
| 86 | */ | |
| 87 | extern int __vmxon(addr64_t v); | |
| 88 | ||
| 2d21ac55 | 89 | #endif /* _I386_VMX_CPU_H_ */ |