diff --git a/include/scsi/osd_attributes.h b/include/scsi/osd_attributes.h
index 303ba11..8a6acd0 100644
--- a/include/scsi/osd_attributes.h
+++ b/include/scsi/osd_attributes.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __OSD_ATTRIBUTES_H__
 #define __OSD_ATTRIBUTES_H__
 
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index a1e1930..cb85edd 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header file contains public constants and structures used by
  * the SCSI initiator code.
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 3d3f8b3..7fb57e9 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_CMND_H
 #define _SCSI_SCSI_CMND_H
 
diff --git a/include/scsi/scsi_common.h b/include/scsi/scsi_common.h
index 20bf7ea..731ac09 100644
--- a/include/scsi/scsi_common.h
+++ b/include/scsi/scsi_common.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Functions used by both the SCSI initiator code and the SCSI target code.
  */
diff --git a/include/scsi/scsi_dbg.h b/include/scsi/scsi_dbg.h
index 56710e0..04e0679 100644
--- a/include/scsi/scsi_dbg.h
+++ b/include/scsi/scsi_dbg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_DBG_H
 #define _SCSI_SCSI_DBG_H
 
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 67c5a9f..571ddb4 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_DEVICE_H
 #define _SCSI_SCSI_DEVICE_H
 
diff --git a/include/scsi/scsi_devinfo.h b/include/scsi/scsi_devinfo.h
index 36b0301..3575693 100644
--- a/include/scsi/scsi_devinfo.h
+++ b/include/scsi/scsi_devinfo.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_DEVINFO_H
 #define _SCSI_SCSI_DEVINFO_H
 /*
diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h
index a5534cc..fae8b46 100644
--- a/include/scsi/scsi_driver.h
+++ b/include/scsi/scsi_driver.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_DRIVER_H
 #define _SCSI_SCSI_DRIVER_H
 
diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h
index 64d30d8..2b7e227 100644
--- a/include/scsi/scsi_eh.h
+++ b/include/scsi/scsi_eh.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_EH_H
 #define _SCSI_SCSI_EH_H
 
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 0a804b1..a8b7bf8 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_HOST_H
 #define _SCSI_SCSI_HOST_H
 
diff --git a/include/scsi/scsi_ioctl.h b/include/scsi/scsi_ioctl.h
index 8d19d1d..5101e98 100644
--- a/include/scsi/scsi_ioctl.h
+++ b/include/scsi/scsi_ioctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_IOCTL_H
 #define _SCSI_IOCTL_H 
 
diff --git a/include/scsi/scsi_proto.h b/include/scsi/scsi_proto.h
index 8c285d9..1c41dbc 100644
--- a/include/scsi/scsi_proto.h
+++ b/include/scsi/scsi_proto.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header file contains public constants and structures used by
  * both the SCSI initiator and the SCSI target code.
diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h
index e0afa44..b06f28c 100644
--- a/include/scsi/scsi_request.h
+++ b/include/scsi/scsi_request.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_REQUEST_H
 #define _SCSI_SCSI_REQUEST_H
 
diff --git a/include/scsi/scsi_tcq.h b/include/scsi/scsi_tcq.h
index 5b416de..e192a0c 100644
--- a/include/scsi/scsi_tcq.h
+++ b/include/scsi/scsi_tcq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_SCSI_TCQ_H
 #define _SCSI_SCSI_TCQ_H
 
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index a23304b..62895b4 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SCSI_TRANSPORT_SAS_H
 #define SCSI_TRANSPORT_SAS_H
 
diff --git a/include/scsi/scsi_transport_srp.h b/include/scsi/scsi_transport_srp.h
index 56ae198..d22df125 100644
--- a/include/scsi/scsi_transport_srp.h
+++ b/include/scsi/scsi_transport_srp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef SCSI_TRANSPORT_SRP_H
 #define SCSI_TRANSPORT_SRP_H
 
diff --git a/include/scsi/scsicam.h b/include/scsi/scsicam.h
index 24ede47..57c7292 100644
--- a/include/scsi/scsicam.h
+++ b/include/scsi/scsicam.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * scsicam.h - SCSI CAM support functions, use for HDIO_GETGEO, etc.
  *
diff --git a/include/scsi/sg.h b/include/scsi/sg.h
index 20bc71c..f91bcca 100644
--- a/include/scsi/sg.h
+++ b/include/scsi/sg.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _SCSI_GENERIC_H
 #define _SCSI_GENERIC_H