diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h
index 060724e..8e1a646 100644
--- a/drivers/iommu/amd_iommu_types.h
+++ b/drivers/iommu/amd_iommu_types.h
@@ -142,6 +142,7 @@
 #define CMD_INV_DEV_ENTRY       0x02
 #define CMD_INV_IOMMU_PAGES	0x03
 #define CMD_INV_IOTLB_PAGES	0x04
+#define CMD_COMPLETE_PPR	0x07
 #define CMD_INV_ALL		0x08
 
 #define CMD_COMPL_WAIT_STORE_MASK	0x01
@@ -150,6 +151,9 @@
 #define CMD_INV_IOMMU_PAGES_PDE_MASK	0x02
 #define CMD_INV_IOMMU_PAGES_GN_MASK	0x04
 
+#define PPR_STATUS_MASK			0xf
+#define PPR_STATUS_SHIFT		12
+
 #define CMD_INV_IOMMU_ALL_PAGES_ADDRESS	0x7fffffffffffffffULL
 
 /* macros and definitions for device table entries */
@@ -394,6 +398,8 @@
 		bool enabled;
 		int qdep;
 	} ats;				  /* ATS state */
+	bool pri_tlp;			  /* PASID TLB required for
+					     PPR completions */
 };
 
 /*