iommu/vt-d: Convert missing apic.c intr-remapping call to remap_ops

Convert these calls too:

	* Disable of remapping hardware
	* Reenable of remapping hardware
	* Enable fault handling

With that all of arch/x86/kernel/apic/apic.c is converted to
use the generic intr-remapping interface.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/drivers/iommu/intr_remapping.c b/drivers/iommu/intr_remapping.c
index 670c69a80af..9aabed7c032 100644
--- a/drivers/iommu/intr_remapping.c
+++ b/drivers/iommu/intr_remapping.c
@@ -74,3 +74,27 @@ int __init intr_hardware_enable(void)
 
 	return remap_ops->hardware_enable();
 }
+
+void intr_hardware_disable(void)
+{
+	if (!remap_ops || !remap_ops->hardware_disable)
+		return;
+
+	remap_ops->hardware_disable();
+}
+
+int intr_hardware_reenable(int mode)
+{
+	if (!remap_ops || !remap_ops->hardware_reenable)
+		return 0;
+
+	return remap_ops->hardware_reenable(mode);
+}
+
+int __init intr_enable_fault_handling(void)
+{
+	if (!remap_ops || !remap_ops->enable_faulting)
+		return -ENODEV;
+
+	return remap_ops->enable_faulting();
+}