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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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