KVM: arm/arm64: vgic-irqfd: Implement kvm_arch_set_irq_inatomic

	return r;

}

static void kvm_populate_msi(struct kvm_kernel_irq_routing_entry *e,

			     struct kvm_msi *msi)

{

	msi->address_lo = e->msi.address_lo;

	msi->address_hi = e->msi.address_hi;

	msi->data = e->msi.data;

	msi->flags = e->msi.flags;

	msi->devid = e->msi.devid;

}

/**

 * kvm_set_msi: inject the MSI corresponding to the

 * MSI routing entry

{

	struct kvm_msi msi;

	msi.address_lo = e->msi.address_lo;

	msi.address_hi = e->msi.address_hi;

	msi.data = e->msi.data;

	msi.flags = e->msi.flags;

	msi.devid = e->msi.devid;

	if (!vgic_has_its(kvm))

		return -ENODEV;

	if (!level)

		return -1;

	kvm_populate_msi(e, &msi);

	return vgic_its_inject_msi(kvm, &msi);

}

/**

 * kvm_arch_set_irq_inatomic: fast-path for irqfd injection

 *

 * Currently only direct MSI injection is supported.

 */

int kvm_arch_set_irq_inatomic(struct kvm_kernel_irq_routing_entry *e,

			      struct kvm *kvm, int irq_source_id, int level,

			      bool line_status)

{

	if (e->type == KVM_IRQ_ROUTING_MSI && vgic_has_its(kvm) && level) {

		struct kvm_msi msi;

		kvm_populate_msi(e, &msi);

		if (!vgic_its_inject_cached_translation(kvm, &msi))

			return 0;

	}

	return -EWOULDBLOCK;

}

int kvm_vgic_setup_default_irq_routing(struct kvm *kvm)

{

	struct kvm_irq_routing_entry *entries;