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KVM: Add a pending interrupt queue 

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>
hifive-unleashed-5.1
Avi Kivity 2008-07-03 15:17:01 +03:00
parent 35920a3569
commit 937a7eaef9
2 changed files with 16 additions and 0 deletions
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11
arch/x86/kvm/x86.h
View File

@ -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

5
include/asm-x86/kvm_host.h
View File

@ -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;