projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| ff9d07a0 ZY |
78 | void kvm_before_handle_nmi(struct kvm_vcpu *vcpu); |
| 79 | void kvm_after_handle_nmi(struct kvm_vcpu *vcpu); | |
| 71f9833b | 80 | int kvm_inject_realmode_interrupt(struct kvm_vcpu *vcpu, int irq, int inc_eip); |
| ff9d07a0 | 81 | |
| 99e3e30a ZA |
82 | void kvm_write_tsc(struct kvm_vcpu *vcpu, u64 data); |
| 83 | ||
| 064aea77 NHE |
84 | int kvm_read_guest_virt(struct x86_emulate_ctxt *ctxt, |
| 85 | gva_t addr, void *val, unsigned int bytes, | |
| 86 | struct x86_exception *exception); | |
| 87 | ||
| 6a4d7550 NHE |
88 | int kvm_write_guest_virt_system(struct x86_emulate_ctxt *ctxt, |
| 89 | gva_t addr, void *val, unsigned int bytes, | |
| 90 | struct x86_exception *exception); | |
| 91 | ||
| 26eef70c | 92 | #endif |