Commit | Line | Data |
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26eef70c AK |
1 | #ifndef ARCH_X86_KVM_X86_H |
2 | #define ARCH_X86_KVM_X86_H | |
3 | ||
4 | #include <linux/kvm_host.h> | |
3eeb3288 | 5 | #include "kvm_cache_regs.h" |
26eef70c AK |
6 | |
7 | static inline void kvm_clear_exception_queue(struct kvm_vcpu *vcpu) | |
8 | { | |
9 | vcpu->arch.exception.pending = false; | |
10 | } | |
11 | ||
66fd3f7f GN |
12 | static inline void kvm_queue_interrupt(struct kvm_vcpu *vcpu, u8 vector, |
13 | bool soft) | |
937a7eae AK |
14 | { |
15 | vcpu->arch.interrupt.pending = true; | |
66fd3f7f | 16 | vcpu->arch.interrupt.soft = soft; |
937a7eae AK |
17 | vcpu->arch.interrupt.nr = vector; |
18 | } | |
19 | ||
20 | static inline void kvm_clear_interrupt_queue(struct kvm_vcpu *vcpu) | |
21 | { | |
22 | vcpu->arch.interrupt.pending = false; | |
23 | } | |
24 | ||
3298b75c GN |
25 | static inline bool kvm_event_needs_reinjection(struct kvm_vcpu *vcpu) |
26 | { | |
27 | return vcpu->arch.exception.pending || vcpu->arch.interrupt.pending || | |
28 | vcpu->arch.nmi_injected; | |
29 | } | |
66fd3f7f GN |
30 | |
31 | static inline bool kvm_exception_is_soft(unsigned int nr) | |
32 | { | |
33 | return (nr == BP_VECTOR) || (nr == OF_VECTOR); | |
34 | } | |
fc61b800 GN |
35 | |
36 | struct kvm_cpuid_entry2 *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu, | |
37 | u32 function, u32 index); | |
38 | ||
3eeb3288 AK |
39 | static inline bool is_protmode(struct kvm_vcpu *vcpu) |
40 | { | |
41 | return kvm_read_cr0_bits(vcpu, X86_CR0_PE); | |
42 | } | |
43 | ||
836a1b3c AK |
44 | static inline int is_long_mode(struct kvm_vcpu *vcpu) |
45 | { | |
46 | #ifdef CONFIG_X86_64 | |
f6801dff | 47 | return vcpu->arch.efer & EFER_LMA; |
836a1b3c AK |
48 | #else |
49 | return 0; | |
50 | #endif | |
51 | } | |
52 | ||
6539e738 JR |
53 | static inline bool mmu_is_nested(struct kvm_vcpu *vcpu) |
54 | { | |
55 | return vcpu->arch.walk_mmu == &vcpu->arch.nested_mmu; | |
56 | } | |
57 | ||
836a1b3c AK |
58 | static inline int is_pae(struct kvm_vcpu *vcpu) |
59 | { | |
60 | return kvm_read_cr4_bits(vcpu, X86_CR4_PAE); | |
61 | } | |
62 | ||
63 | static inline int is_pse(struct kvm_vcpu *vcpu) | |
64 | { | |
65 | return kvm_read_cr4_bits(vcpu, X86_CR4_PSE); | |
66 | } | |
67 | ||
68 | static inline int is_paging(struct kvm_vcpu *vcpu) | |
69 | { | |
70 | return kvm_read_cr0_bits(vcpu, X86_CR0_PG); | |
71 | } | |
72 | ||
24d1b15f JR |
73 | static inline u32 bit(int bitno) |
74 | { | |
75 | return 1 << (bitno & 31); | |
76 | } | |
77 | ||
bebb106a XG |
78 | static inline void vcpu_cache_mmio_info(struct kvm_vcpu *vcpu, |
79 | gva_t gva, gfn_t gfn, unsigned access) | |
80 | { | |
81 | vcpu->arch.mmio_gva = gva & PAGE_MASK; | |
82 | vcpu->arch.access = access; | |
83 | vcpu->arch.mmio_gfn = gfn; | |
84 | } | |
85 | ||
86 | /* | |
87 | * Clear the mmio cache info for the given gva, | |
88 | * specially, if gva is ~0ul, we clear all mmio cache info. | |
89 | */ | |
90 | static inline void vcpu_clear_mmio_info(struct kvm_vcpu *vcpu, gva_t gva) | |
91 | { | |
92 | if (gva != (~0ul) && vcpu->arch.mmio_gva != (gva & PAGE_MASK)) | |
93 | return; | |
94 | ||
95 | vcpu->arch.mmio_gva = 0; | |
96 | } | |
97 | ||
98 | static inline bool vcpu_match_mmio_gva(struct kvm_vcpu *vcpu, unsigned long gva) | |
99 | { | |
100 | if (vcpu->arch.mmio_gva && vcpu->arch.mmio_gva == (gva & PAGE_MASK)) | |
101 | return true; | |
102 | ||
103 | return false; | |
104 | } | |
105 | ||
106 | static inline bool vcpu_match_mmio_gpa(struct kvm_vcpu *vcpu, gpa_t gpa) | |
107 | { | |
108 | if (vcpu->arch.mmio_gfn && vcpu->arch.mmio_gfn == gpa >> PAGE_SHIFT) | |
109 | return true; | |
110 | ||
111 | return false; | |
112 | } | |
113 | ||
ff9d07a0 ZY |
114 | void kvm_before_handle_nmi(struct kvm_vcpu *vcpu); |
115 | void kvm_after_handle_nmi(struct kvm_vcpu *vcpu); | |
71f9833b | 116 | int kvm_inject_realmode_interrupt(struct kvm_vcpu *vcpu, int irq, int inc_eip); |
ff9d07a0 | 117 | |
99e3e30a ZA |
118 | void kvm_write_tsc(struct kvm_vcpu *vcpu, u64 data); |
119 | ||
064aea77 NHE |
120 | int kvm_read_guest_virt(struct x86_emulate_ctxt *ctxt, |
121 | gva_t addr, void *val, unsigned int bytes, | |
122 | struct x86_exception *exception); | |
123 | ||
6a4d7550 NHE |
124 | int kvm_write_guest_virt_system(struct x86_emulate_ctxt *ctxt, |
125 | gva_t addr, void *val, unsigned int bytes, | |
126 | struct x86_exception *exception); | |
127 | ||
26eef70c | 128 | #endif |