diff --git a/drivers/platform/tegra/tegra-fsicom.c b/drivers/platform/tegra/tegra-fsicom.c
index 2dfcc09f..f15b834e 100644
--- a/drivers/platform/tegra/tegra-fsicom.c
+++ b/drivers/platform/tegra/tegra-fsicom.c
@@ -19,7 +19,9 @@
 /* Timeout in milliseconds */
 #define TIMEOUT		1000
 
-/* Data type for mailbox client and channel details */
+#define IOVA_UNI_CODE   0xFE0D
+
+/*Data type for mailbox client and channel details*/
 struct fsi_hsp_sm {
 	struct mbox_client client;
 	struct mbox_chan *chan;
@@ -118,15 +120,16 @@ static ssize_t device_file_ioctl(
 	struct rw_data *user_input;
 	int ret = 0;
 	uint32_t pdata[4] = {0};
+	struct iova_data ldata;
 
-	user_input = (struct rw_data *)arg;
-	if (copy_from_user(&input, (void __user *)arg,
-				 sizeof(struct rw_data)))
-		return -EACCES;
 
 	switch (cmd) {
 
 	case NVMAP_SMMU_MAP:
+		user_input = (struct rw_data *)arg;
+		if (copy_from_user(&input, (void __user *)arg,
+					sizeof(struct rw_data)))
+			return -EACCES;
 		dmabuf = dma_buf_get(input.handle);
 
 		if (IS_ERR_OR_NULL(dmabuf))
@@ -159,6 +162,9 @@ static ssize_t device_file_ioctl(
 	break;
 
 	case TEGRA_HSP_WRITE:
+		if (copy_from_user(&input, (void __user *)arg,
+					sizeof(struct rw_data)))
+			return -EACCES;
 		pdata[0] = input.handle;
 		ret = mbox_send_message(fsi_hsp_v->tx.chan,
 			(void *)pdata);
@@ -168,6 +174,18 @@ static ssize_t device_file_ioctl(
 		task = get_current();
 	break;
 
+	case TEGRA_IOVA_DATA:
+		if (copy_from_user(&ldata, (void __user *)arg,
+					sizeof(struct iova_data)))
+			return -EACCES;
+		pdata[0] = ldata.offset;
+		pdata[1] = ldata.iova;
+		pdata[2] = ldata.chid;
+		pdata[3] = IOVA_UNI_CODE;
+		ret = mbox_send_message(fsi_hsp_v->tx.chan,
+			(void *)pdata);
+	break;
+
 	default:
 		return -EINVAL;
 	}
diff --git a/include/uapi/linux/tegra-fsicom.h b/include/uapi/linux/tegra-fsicom.h
index bf3fa36c..82b22df9 100644
--- a/include/uapi/linux/tegra-fsicom.h
+++ b/include/uapi/linux/tegra-fsicom.h
@@ -14,6 +14,13 @@ struct rw_data {
 	uint64_t iova;
 };
 
+/*Data type for sending the offset,IOVA and channel Id details to FSI */
+struct iova_data {
+	uint32_t offset;
+	uint32_t iova;
+	uint32_t chid;
+};
+
 /* signal value */
 #define SIG_DRIVER_RESUME	43
 #define SIG_FSI_WRITE_EVENT	44
@@ -23,5 +30,6 @@ struct rw_data {
 #define NVMAP_SMMU_UNMAP  _IOWR('q', 2, struct rw_data *)
 #define TEGRA_HSP_WRITE   _IOWR('q', 3, struct rw_data *)
 #define TEGRA_SIGNAL_REG  _IOWR('q', 4, struct rw_data *)
+#define TEGRA_IOVA_DATA   _IOWR('q', 5, struct iova_data *)
 
 #endif	/* _UAPI_TEGRA_FSICOM_H_ */