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Diffstat (limited to 'arch/x86/kvm/x86.h')
-rw-r--r--arch/x86/kvm/x86.h67
1 files changed, 61 insertions, 6 deletions
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 2cea414489f..8c97bac9a89 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -33,9 +33,6 @@ static inline bool kvm_exception_is_soft(unsigned int nr)
return (nr == BP_VECTOR) || (nr == OF_VECTOR);
}
-struct kvm_cpuid_entry2 *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu,
- u32 function, u32 index);
-
static inline bool is_protmode(struct kvm_vcpu *vcpu)
{
return kvm_read_cr0_bits(vcpu, X86_CR0_PE);
@@ -67,13 +64,71 @@ static inline int is_pse(struct kvm_vcpu *vcpu)
static inline int is_paging(struct kvm_vcpu *vcpu)
{
- return kvm_read_cr0_bits(vcpu, X86_CR0_PG);
+ return likely(kvm_read_cr0_bits(vcpu, X86_CR0_PG));
+}
+
+static inline u32 bit(int bitno)
+{
+ return 1 << (bitno & 31);
+}
+
+static inline void vcpu_cache_mmio_info(struct kvm_vcpu *vcpu,
+ gva_t gva, gfn_t gfn, unsigned access)
+{
+ vcpu->arch.mmio_gva = gva & PAGE_MASK;
+ vcpu->arch.access = access;
+ vcpu->arch.mmio_gfn = gfn;
+}
+
+/*
+ * Clear the mmio cache info for the given gva,
+ * specially, if gva is ~0ul, we clear all mmio cache info.
+ */
+static inline void vcpu_clear_mmio_info(struct kvm_vcpu *vcpu, gva_t gva)
+{
+ if (gva != (~0ul) && vcpu->arch.mmio_gva != (gva & PAGE_MASK))
+ return;
+
+ vcpu->arch.mmio_gva = 0;
+}
+
+static inline bool vcpu_match_mmio_gva(struct kvm_vcpu *vcpu, unsigned long gva)
+{
+ if (vcpu->arch.mmio_gva && vcpu->arch.mmio_gva == (gva & PAGE_MASK))
+ return true;
+
+ return false;
+}
+
+static inline bool vcpu_match_mmio_gpa(struct kvm_vcpu *vcpu, gpa_t gpa)
+{
+ if (vcpu->arch.mmio_gfn && vcpu->arch.mmio_gfn == gpa >> PAGE_SHIFT)
+ return true;
+
+ return false;
}
void kvm_before_handle_nmi(struct kvm_vcpu *vcpu);
void kvm_after_handle_nmi(struct kvm_vcpu *vcpu);
-int kvm_inject_realmode_interrupt(struct kvm_vcpu *vcpu, int irq);
+int kvm_inject_realmode_interrupt(struct kvm_vcpu *vcpu, int irq, int inc_eip);
+
+void kvm_write_tsc(struct kvm_vcpu *vcpu, struct msr_data *msr);
+
+int kvm_read_guest_virt(struct x86_emulate_ctxt *ctxt,
+ gva_t addr, void *val, unsigned int bytes,
+ struct x86_exception *exception);
+
+int kvm_write_guest_virt_system(struct x86_emulate_ctxt *ctxt,
+ gva_t addr, void *val, unsigned int bytes,
+ struct x86_exception *exception);
+
+#define KVM_SUPPORTED_XCR0 (XSTATE_FP | XSTATE_SSE | XSTATE_YMM \
+ | XSTATE_BNDREGS | XSTATE_BNDCSR)
+extern u64 host_xcr0;
+
+extern u64 kvm_supported_xcr0(void);
-void kvm_write_tsc(struct kvm_vcpu *vcpu, u64 data);
+extern unsigned int min_timer_period_us;
+extern struct static_key kvm_no_apic_vcpu;
#endif