iommu/amd: Implement notifier for PPR faults
Add a notifer at which a module can attach to get informed
about incoming PPR faults.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
diff --git a/drivers/iommu/amd_iommu_proto.h b/drivers/iommu/amd_iommu_proto.h
index 3a46c30..cfe2dfc 100644
--- a/drivers/iommu/amd_iommu_proto.h
+++ b/drivers/iommu/amd_iommu_proto.h
@@ -32,7 +32,10 @@
extern void amd_iommu_init_notifier(void);
extern void amd_iommu_init_api(void);
+/* IOMMUv2 specific functions */
extern bool amd_iommu_v2_supported(void);
+extern int amd_iommu_register_ppr_notifier(struct notifier_block *nb);
+extern int amd_iommu_unregister_ppr_notifier(struct notifier_block *nb);
#ifndef CONFIG_AMD_IOMMU_STATS