x86, io_apic: Introduce eoi_ioapic_pin call-back
This callback replaces the old __eoi_ioapic_pin function
which needs a special path for interrupt remapping.
Signed-off-by: Joerg Roedel <joro@8bytes.org>
Acked-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index 158091b3..849ce4c 100644
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -143,11 +143,23 @@
return do_setup_msix_irqs(dev, nvec);
}
+void eoi_ioapic_pin_remapped(int apic, int pin, int vector)
+{
+ /*
+ * Intr-remapping uses pin number as the virtual vector
+ * in the RTE. Actual vector is programmed in
+ * intr-remapping table entry. Hence for the io-apic
+ * EOI we use the pin number.
+ */
+ io_apic_eoi(apic, pin);
+}
+
static void __init irq_remapping_modify_x86_ops(void)
{
x86_io_apic_ops.disable = irq_remapping_disable_io_apic;
x86_io_apic_ops.set_affinity = set_remapped_irq_affinity;
x86_io_apic_ops.setup_entry = setup_ioapic_remapped_entry;
+ x86_io_apic_ops.eoi_ioapic_pin = eoi_ioapic_pin_remapped;
x86_msi.setup_msi_irqs = irq_remapping_setup_msi_irqs;
x86_msi.setup_hpet_msi = setup_hpet_msi_remapped;
x86_msi.compose_msi_msg = compose_remapped_msi_msg;