x86, io_apic: Introduce eoi_ioapic_pin call-back

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / iommu / irq_remapping.c

diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index 158091b..849ce4c 100644 (file)
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -143,11 +143,23 @@ static int irq_remapping_setup_msi_irqs(struct pci_dev *dev,
                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;