| 1 | #ifndef ARCH_X86_KVM_X86_H |
| 2 | #define ARCH_X86_KVM_X86_H |
| 3 | |
| 4 | #include <linux/kvm_host.h> |
| 5 | #include "kvm_cache_regs.h" |
| 6 | |
| 7 | static inline void kvm_clear_exception_queue(struct kvm_vcpu *vcpu) |
| 8 | { |
| 9 | vcpu->arch.exception.pending = false; |
| 10 | } |
| 11 | |
| 12 | static inline void kvm_queue_interrupt(struct kvm_vcpu *vcpu, u8 vector, |
| 13 | bool soft) |
| 14 | { |
| 15 | vcpu->arch.interrupt.pending = true; |
| 16 | vcpu->arch.interrupt.soft = soft; |
| 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 | |
| 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 | } |
| 30 | |
| 31 | static inline bool kvm_exception_is_soft(unsigned int nr) |
| 32 | { |
| 33 | return (nr == BP_VECTOR) || (nr == OF_VECTOR); |
| 34 | } |
| 35 | |
| 36 | struct kvm_cpuid_entry2 *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu, |
| 37 | u32 function, u32 index); |
| 38 | |
| 39 | static inline bool is_protmode(struct kvm_vcpu *vcpu) |
| 40 | { |
| 41 | return kvm_read_cr0_bits(vcpu, X86_CR0_PE); |
| 42 | } |
| 43 | |
| 44 | static inline int is_long_mode(struct kvm_vcpu *vcpu) |
| 45 | { |
| 46 | #ifdef CONFIG_X86_64 |
| 47 | return vcpu->arch.efer & EFER_LMA; |
| 48 | #else |
| 49 | return 0; |
| 50 | #endif |
| 51 | } |
| 52 | |
| 53 | static inline int is_pae(struct kvm_vcpu *vcpu) |
| 54 | { |
| 55 | return kvm_read_cr4_bits(vcpu, X86_CR4_PAE); |
| 56 | } |
| 57 | |
| 58 | static inline int is_pse(struct kvm_vcpu *vcpu) |
| 59 | { |
| 60 | return kvm_read_cr4_bits(vcpu, X86_CR4_PSE); |
| 61 | } |
| 62 | |
| 63 | static inline int is_paging(struct kvm_vcpu *vcpu) |
| 64 | { |
| 65 | return kvm_read_cr0_bits(vcpu, X86_CR0_PG); |
| 66 | } |
| 67 | |
| 68 | #endif |