diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index b53446bb8c6b..b061bf4c3bb2 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -2171,6 +2171,73 @@ int iommu_uapi_sva_unbind_gpasid(struct iommu_domain *domain, struct device *dev
 }
 EXPORT_SYMBOL_GPL(iommu_uapi_sva_unbind_gpasid);
 
+int iommu_attach_pasid_table(struct iommu_domain *domain,
+			     struct iommu_pasid_table_config *cfg)
+{
+	if (unlikely(!domain->ops->attach_pasid_table))
+		return -ENODEV;
+
+	return domain->ops->attach_pasid_table(domain, cfg);
+}
+
+int iommu_uapi_attach_pasid_table(struct iommu_domain *domain,
+				  void __user *uinfo)
+{
+	struct iommu_pasid_table_config pasid_table_data = { 0 };
+	u32 minsz;
+
+	if (unlikely(!domain->ops->attach_pasid_table))
+		return -ENODEV;
+
+	/*
+	 * No new spaces can be added before the variable sized union, the
+	 * minimum size is the offset to the union.
+	 */
+	minsz = offsetof(struct iommu_pasid_table_config, vendor_data);
+
+	/* Copy minsz from user to get flags and argsz */
+	if (copy_from_user(&pasid_table_data, uinfo, minsz))
+		return -EFAULT;
+
+	/* Fields before the variable size union are mandatory */
+	if (pasid_table_data.argsz < minsz)
+		return -EINVAL;
+
+	/* PASID and address granu require additional info beyond minsz */
+	if (pasid_table_data.version != PASID_TABLE_CFG_VERSION_1)
+		return -EINVAL;
+	if (pasid_table_data.format == IOMMU_PASID_FORMAT_SMMUV3 &&
+	    pasid_table_data.argsz <
+		offsetofend(struct iommu_pasid_table_config, vendor_data.smmuv3))
+		return -EINVAL;
+
+	/*
+	 * User might be using a newer UAPI header which has a larger data
+	 * size, we shall support the existing flags within the current
+	 * size. Copy the remaining user data _after_ minsz but not more
+	 * than the current kernel supported size.
+	 */
+	if (copy_from_user((void *)&pasid_table_data + minsz, uinfo + minsz,
+			   min_t(u32, pasid_table_data.argsz, sizeof(pasid_table_data)) - minsz))
+		return -EFAULT;
+
+	/* Now the argsz is validated, check the content */
+	if (pasid_table_data.config < 1 && pasid_table_data.config > 3)
+		return -EINVAL;
+
+	return domain->ops->attach_pasid_table(domain, &pasid_table_data);
+}
+EXPORT_SYMBOL_GPL(iommu_uapi_attach_pasid_table);
+
+void iommu_detach_pasid_table(struct iommu_domain *domain)
+{
+	if (unlikely(!domain->ops->detach_pasid_table))
+		return;
+
+	domain->ops->detach_pasid_table(domain);
+}
+EXPORT_SYMBOL_GPL(iommu_detach_pasid_table);
+
 static void __iommu_detach_device(struct iommu_domain *domain,
 				  struct device *dev)
 {
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index b95a6f8db6ff..464fcbecf841 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -223,6 +223,8 @@ struct iommu_iotlb_gather {
  * @cache_invalidate: invalidate translation caches
  * @sva_bind_gpasid: bind guest pasid and mm
  * @sva_unbind_gpasid: unbind guest pasid and mm
+ * @attach_pasid_table: attach a pasid table
+ * @detach_pasid_table: detach the pasid table
  * @def_domain_type: device default domain type, return value:
  *		- IOMMU_DOMAIN_IDENTITY: must use an identity domain
  *		- IOMMU_DOMAIN_DMA: must use a dma domain
@@ -287,6 +289,9 @@ struct iommu_ops {
 				      void *drvdata);
 	void (*sva_unbind)(struct iommu_sva *handle);
 	u32 (*sva_get_pasid)(struct iommu_sva *handle);
+	int (*attach_pasid_table)(struct iommu_domain *domain,
+				  struct iommu_pasid_table_config *cfg);
+	void (*detach_pasid_table)(struct iommu_domain *domain);
 
 	int (*page_response)(struct device *dev,
 			     struct iommu_fault_event *evt,
@@ -434,6 +439,11 @@ extern int iommu_uapi_sva_unbind_gpasid(struct iommu_domain *domain,
 					struct device *dev, void __user *udata);
 extern int iommu_sva_unbind_gpasid(struct iommu_domain *domain,
 				   struct device *dev, ioasid_t pasid);
+extern int iommu_attach_pasid_table(struct iommu_domain *domain,
+				    struct iommu_pasid_table_config *cfg);
+extern int iommu_uapi_attach_pasid_table(struct iommu_domain *domain,
+					 void __user *udata);
+extern void iommu_detach_pasid_table(struct iommu_domain *domain);
 extern struct iommu_domain *iommu_get_domain_for_dev(struct device *dev);
 extern struct iommu_domain *iommu_get_dma_domain(struct device *dev);
 extern int iommu_map(struct iommu_domain *domain, unsigned long iova,
@@ -639,6 +649,7 @@ struct iommu_sva *iommu_sva_bind_device(struct device *dev,
 void iommu_sva_unbind_device(struct iommu_sva *handle);
 u32 iommu_sva_get_pasid(struct iommu_sva *handle);
 
+
 #else /* CONFIG_IOMMU_API */
 
 struct iommu_ops {};
@@ -1020,6 +1031,16 @@ iommu_aux_get_pasid(struct iommu_domain *domain, struct device *dev)
 	return -ENODEV;
 }
 
+static inline
+int iommu_attach_pasid_table(struct iommu_domain *domain,
+			     struct iommu_pasid_table_config *cfg)
+{
+	return -ENODEV;
+}
+
+static inline
+void iommu_detach_pasid_table(struct iommu_domain *domain) {}
+
 static inline struct iommu_sva *
 iommu_sva_bind_device(struct device *dev, struct mm_struct *mm, void *drvdata)
 {
diff --git a/include/uapi/linux/iommu.h b/include/uapi/linux/iommu.h
index e1d9e75f2c94..082d758dd016 100644
--- a/include/uapi/linux/iommu.h
+++ b/include/uapi/linux/iommu.h
@@ -338,4 +338,58 @@ struct iommu_gpasid_bind_data {
 	} vendor;
 };
 
+/**
+ * struct iommu_pasid_smmuv3 - ARM SMMUv3 Stream Table Entry stage 1 related
+ *     information
+ * @version: API version of this structure
+ * @s1fmt: STE s1fmt (format of the CD table: single CD, linear table
+ *         or 2-level table)
+ * @s1dss: STE s1dss (specifies the behavior when @pasid_bits != 0
+ *         and no PASID is passed along with the incoming transaction)
+ * @padding: reserved for future use (should be zero)
+ *
+ * The PASID table is referred to as the Context Descriptor (CD) table on ARM
+ * SMMUv3. Please refer to the ARM SMMU 3.x spec (ARM IHI 0070A) for full
+ * details.
+ */
+struct iommu_pasid_smmuv3 {
+#define PASID_TABLE_SMMUV3_CFG_VERSION_1 1
+	__u32	version;
+	__u8	s1fmt;
+	__u8	s1dss;
+	__u8	padding[2];
+};
+
+/**
+ * struct iommu_pasid_table_config - PASID table data used to bind guest PASID
+ *     table to the host IOMMU
+ * @argsz: User filled size of this data
+ * @version: API version to prepare for future extensions
+ * @format: format of the PASID table
+ * @base_ptr: guest physical address of the PASID table
+ * @pasid_bits: number of PASID bits used in the PASID table
+ * @config: indicates whether the guest translation stage must
+ *          be translated, bypassed or aborted.
+ * @padding: reserved for future use (should be zero)
+ * @vendor_data.smmuv3: table information when @format is
+ * %IOMMU_PASID_FORMAT_SMMUV3
+ */
+struct iommu_pasid_table_config {
+	__u32	argsz;
+#define PASID_TABLE_CFG_VERSION_1 1
+	__u32	version;
+#define IOMMU_PASID_FORMAT_SMMUV3	1
+	__u32	format;
+	__u64	base_ptr;
+	__u8	pasid_bits;
+#define IOMMU_PASID_CONFIG_TRANSLATE	1
+#define IOMMU_PASID_CONFIG_BYPASS	2
+#define IOMMU_PASID_CONFIG_ABORT	3
+	__u8	config;
+	__u8    padding[2];
+	union {
+		struct iommu_pasid_smmuv3 smmuv3;
+	} vendor_data;
+};
+
 #endif /* _UAPI_IOMMU_H */
