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1 | /* |
2 | * Copyright (c) 2006 Apple Computer, Inc. All rights reserved. | |
3 | * | |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ | |
0a7de745 | 5 | * |
2d21ac55 A |
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. | |
0a7de745 | 14 | * |
2d21ac55 A |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
0a7de745 | 17 | * |
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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. | |
0a7de745 | 25 | * |
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26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ | |
0a7de745 | 28 | |
2d21ac55 A |
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 { | |
0a7de745 A |
41 | boolean_t initialized; /* the specs have already been read */ |
42 | boolean_t vmx_present; /* VMX feature available and enabled */ | |
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 | */ | |
0a7de745 A |
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 */ | |
2d21ac55 A |
56 | } vmx_specs_t; |
57 | ||
58 | typedef struct vmx_cpu { | |
0a7de745 A |
59 | vmx_specs_t specs; /* this phys CPU's VMX specifications */ |
60 | void *vmxon_region; /* the logical address of the VMXON region page */ | |
2d21ac55 A |
61 | } vmx_cpu_t; |
62 | ||
fe8ab488 | 63 | void vmx_cpu_init(void); |
490019cf | 64 | void vmx_resume(boolean_t is_wake_from_hibernate); |
2d21ac55 A |
65 | void vmx_suspend(void); |
66 | ||
0a7de745 A |
67 | #define VMX_BASIC_TRUE_CTLS (1ull << 55) |
68 | #define VMX_TRUE_PROCBASED_SECONDARY_CTLS (1ull << 31) | |
69 | #define VMX_PROCBASED_CTLS2_EPT (1ull << 1) | |
70 | #define VMX_PROCBASED_CTLS2_UNRESTRICTED (1ull << 7) | |
fe8ab488 A |
71 | |
72 | #define VMX_CAP(msr, shift, mask) (rdmsr64(msr) & ((mask) << (shift))) | |
73 | ||
74 | boolean_t vmx_hv_support(void); | |
75 | ||
316670eb A |
76 | /* |
77 | * __vmxoff -- Leave VMX Operation | |
78 | * | |
79 | */ | |
80 | extern int __vmxoff(void); | |
81 | ||
82 | /* | |
83 | * __vmxon -- Enter VMX Operation | |
84 | * | |
85 | */ | |
86 | extern int __vmxon(addr64_t v); | |
87 | ||
0a7de745 | 88 | #endif /* _I386_VMX_CPU_H_ */ |