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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/x86/kvm/x86.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/x86/kvm/x86.h')
-rw-r--r--arch/x86/kvm/x86.h127
1 files changed, 127 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
new file mode 100644
index 00000000..cb80c293
--- /dev/null
+++ b/arch/x86/kvm/x86.h
@@ -0,0 +1,127 @@
+#ifndef ARCH_X86_KVM_X86_H
+#define ARCH_X86_KVM_X86_H
+
+#include <linux/kvm_host.h>
+#include "kvm_cache_regs.h"
+
+static inline void kvm_clear_exception_queue(struct kvm_vcpu *vcpu)
+{
+ vcpu->arch.exception.pending = false;
+}
+
+static inline void kvm_queue_interrupt(struct kvm_vcpu *vcpu, u8 vector,
+ bool soft)
+{
+ vcpu->arch.interrupt.pending = true;
+ vcpu->arch.interrupt.soft = soft;
+ vcpu->arch.interrupt.nr = vector;
+}
+
+static inline void kvm_clear_interrupt_queue(struct kvm_vcpu *vcpu)
+{
+ vcpu->arch.interrupt.pending = false;
+}
+
+static inline bool kvm_event_needs_reinjection(struct kvm_vcpu *vcpu)
+{
+ return vcpu->arch.exception.pending || vcpu->arch.interrupt.pending ||
+ vcpu->arch.nmi_injected;
+}
+
+static inline bool kvm_exception_is_soft(unsigned int nr)
+{
+ return (nr == BP_VECTOR) || (nr == OF_VECTOR);
+}
+
+static inline bool is_protmode(struct kvm_vcpu *vcpu)
+{
+ return kvm_read_cr0_bits(vcpu, X86_CR0_PE);
+}
+
+static inline int is_long_mode(struct kvm_vcpu *vcpu)
+{
+#ifdef CONFIG_X86_64
+ return vcpu->arch.efer & EFER_LMA;
+#else
+ return 0;
+#endif
+}
+
+static inline bool mmu_is_nested(struct kvm_vcpu *vcpu)
+{
+ return vcpu->arch.walk_mmu == &vcpu->arch.nested_mmu;
+}
+
+static inline int is_pae(struct kvm_vcpu *vcpu)
+{
+ return kvm_read_cr4_bits(vcpu, X86_CR4_PAE);
+}
+
+static inline int is_pse(struct kvm_vcpu *vcpu)
+{
+ return kvm_read_cr4_bits(vcpu, X86_CR4_PSE);
+}
+
+static inline int is_paging(struct kvm_vcpu *vcpu)
+{
+ return 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 inc_eip);
+
+void kvm_write_tsc(struct kvm_vcpu *vcpu, u64 data);
+
+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);
+
+extern u64 host_xcr0;
+
+#endif