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Subject[PATCH 11/40] KVM: Add a pending interrupt queue
Date
From: Avi Kivity <avi@qumranet.com>

Similar to the exception queue, this hold interrupts that have been
accepted by the virtual processor core but not yet injected.

Not yet used.

Signed-off-by: Avi Kivity <avi@qumranet.com>
---
arch/x86/kvm/x86.h | 11 +++++++++++
include/asm-x86/kvm_host.h | 5 +++++
2 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index c666649..6a4be78 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -8,4 +8,15 @@ 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)
+{
+ vcpu->arch.interrupt.pending = true;
+ vcpu->arch.interrupt.nr = vector;
+}
+
+static inline void kvm_clear_interrupt_queue(struct kvm_vcpu *vcpu)
+{
+ vcpu->arch.interrupt.pending = false;
+}
+
#endif
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index 501d215..af1c0f7 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -275,6 +275,11 @@ struct kvm_vcpu_arch {
u32 error_code;
} exception;

+ struct kvm_queued_interrupt {
+ bool pending;
+ u8 nr;
+ } interrupt;
+
struct {
int active;
u8 save_iopl;
--
1.6.0.1


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