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KVM: arm/arm64: implement kvm_arch_intc_initialized

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On arm/arm64 the VGIC is dynamically instantiated and it is useful
to expose its state, especially for irqfd setup.

This patch defines __KVM_HAVE_ARCH_INTC_INITIALIZED and
implements kvm_arch_intc_initialized.

Signed-off-by: Eric Auger <eric.auger@linaro.org>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
This commit is contained in:
Eric Auger 2015-03-04 11:14:34 +01:00 committed by Christoffer Dall
parent 01c94e64f5
commit c1426e4c5a
3 changed files with 9 additions and 0 deletions
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2
arch/arm/include/asm/kvm_host.h
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@ -27,6 +27,8 @@
#include <asm/fpstate.h>
#include <kvm/arm_arch_timer.h>
#define __KVM_HAVE_ARCH_INTC_INITIALIZED
#if defined(CONFIG_KVM_ARM_MAX_VCPUS)
#define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS
#else

5
arch/arm/kvm/arm.c
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@ -448,6 +448,11 @@ static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu)
return 0;
}
bool kvm_arch_intc_initialized(struct kvm *kvm)
{
return vgic_initialized(kvm);
}
static void vcpu_pause(struct kvm_vcpu *vcpu)
{
wait_queue_head_t *wq = kvm_arch_vcpu_wq(vcpu);

2
arch/arm64/include/asm/kvm_host.h
View File

@ -28,6 +28,8 @@
#include <asm/kvm_asm.h>
#include <asm/kvm_mmio.h>
#define __KVM_HAVE_ARCH_INTC_INITIALIZED
#if defined(CONFIG_KVM_ARM_MAX_VCPUS)
#define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS
#else