iommu/vt-d: Implement select() method on remapping irqdomain (a87fb465) · Commits · 戴 / test

Preparatory for removing irq_remapping_get_irq_domain() Signed-off-by:

drivers/iommu/intel/irq_remapping.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -1431,7 +1431,20 @@ static void intel_irq_remapping_deactivate(struct irq_domain *domain,
		modify_irte(&data->irq_2_iommu, &entry);
		}

		static int intel_irq_remapping_select(struct irq_domain *d,
		struct irq_fwspec *fwspec,
		enum irq_domain_bus_token bus_token)
		{
		if (x86_fwspec_is_ioapic(fwspec))
		return d == map_ioapic_to_ir(fwspec->param[0]);
		else if (x86_fwspec_is_hpet(fwspec))
		return d == map_hpet_to_ir(fwspec->param[0]);

		return 0;
		}

		static const struct irq_domain_ops intel_ir_domain_ops = {
		.select = intel_irq_remapping_select,
		.alloc = intel_irq_remapping_alloc,
		.free = intel_irq_remapping_free,
		.activate = intel_irq_remapping_activate,