[legal] Add a selection of FILE_LICENCE declarations

Add FILE_LICENCE declarations to almost all files that make up the
various standard builds of gPXE.

src/include/assert.h

@@ -10,6 +10,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifdef NDEBUG
 #define ASSERTING 0
 #else

src/include/byteswap.h

@@ -1,6 +1,8 @@
 #ifndef ETHERBOOT_BYTESWAP_H
 #define ETHERBOOT_BYTESWAP_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include "endian.h"
 #include "bits/byteswap.h"
 

src/include/console.h

@@ -14,6 +14,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /**
  * A console driver
  *

src/include/ctype.h

@@ -6,6 +6,8 @@
  * Character types
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #define isdigit(c)	((c) >= '0' && (c) <= '9')
 #define islower(c)	((c) >= 'a' && (c) <= 'z')
 #define isupper(c)	((c) >= 'A' && (c) <= 'Z')

src/include/curses.h

@@ -10,6 +10,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #undef  ERR
 #define ERR	(-1)
 

src/include/elf.h

@@ -1,6 +1,8 @@
 #ifndef ELF_H
 #define ELF_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #define EI_NIDENT	16	/* Size of e_ident array. */
 
 /* Values for e_type. */

src/include/endian.h

@@ -1,6 +1,8 @@
 #ifndef ETHERBOOT_ENDIAN_H
 #define ETHERBOOT_ENDIAN_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /* Definitions for byte order, according to significance of bytes,
    from low addresses to high addresses.  The value is what you get by
    putting '4' in the most significant byte, '3' in the second most

src/include/errno.h

@@ -1,6 +1,8 @@
 #ifndef ERRNO_H
 #define ERRNO_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** @file
  *
  * Error codes

src/include/etherboot.h

@@ -6,6 +6,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stddef.h>
 #include <stdint.h>
 #include <stdlib.h>

src/include/getopt.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stddef.h>
 
 enum getopt_argument_requirement {

src/include/gpxe/acpi.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 /**

src/include/gpxe/aes.h

@@ -1,6 +1,8 @@
 #ifndef _GPXE_AES_H
 #define _GPXE_AES_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct cipher_algorithm;
 
 extern struct cipher_algorithm aes_cbc_algorithm;

src/include/gpxe/ansiesc.h

@@ -26,6 +26,8 @@
  * 
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** A handler for an escape sequence */
 struct ansiesc_handler {
 	/** The control function identifier

src/include/gpxe/aoe.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/list.h>
 #include <gpxe/if_ether.h>

src/include/gpxe/api.h

@@ -11,6 +11,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** @defgroup Single-implementation APIs
  *
  * These are APIs for which only a single implementation may be

src/include/gpxe/arp.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/tables.h>
 
 struct net_device;

src/include/gpxe/asn1.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #define ASN1_INTEGER 0x02
 #define ASN1_BIT_STRING 0x03
 #define ASN1_OCTET_STRING 0x04

src/include/gpxe/ata.h

@@ -12,6 +12,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /**
  * An ATA Logical Block Address
  *

src/include/gpxe/base64.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 /**

src/include/gpxe/bitbash.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct bit_basher;
 
 /** Bit-bashing operations */

src/include/gpxe/bitmap.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <stddef.h>
 #include <stdlib.h>

src/include/gpxe/bitops.h

@@ -19,6 +19,8 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /**
  * @file
  *

src/include/gpxe/blockdev.h

@@ -8,6 +8,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/uaccess.h>
 
 struct block_device;

src/include/gpxe/cbc.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/crypto.h>
 
 /**

src/include/gpxe/chap.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/md5.h>
 

src/include/gpxe/command.h

@@ -1,6 +1,8 @@
 #ifndef _GPXE_COMMAND_H
 #define _GPXE_COMMAND_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/tables.h>
 
 /** A command-line command */

src/include/gpxe/cpio.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** A CPIO archive header
  *
  * All field are hexadecimal ASCII numbers padded with '0' on the

src/include/gpxe/crypto.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <stddef.h>
 

src/include/gpxe/device.h

@@ -8,6 +8,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/list.h>
 #include <gpxe/tables.h>
 

src/include/gpxe/dhcp.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/in.h>
 #include <gpxe/list.h>

src/include/gpxe/dhcpopts.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 /** A DHCP options block */

src/include/gpxe/dhcppkt.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/dhcp.h>
 #include <gpxe/dhcpopts.h>
 #include <gpxe/refcnt.h>

src/include/gpxe/dns.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/in.h>
 

src/include/gpxe/downloader.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct job_interface;
 struct image;
 

src/include/gpxe/editbox.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <curses.h>
 #include <gpxe/editstring.h>
 

src/include/gpxe/editstring.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** An editable string */
 struct edit_string {
 	/** Buffer for string */

src/include/gpxe/efi/efi_io.h

@@ -10,6 +10,8 @@
  * no-ops.  I/O is handled using the EFI_CPU_IO_PROTOCOL.
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifdef IOAPI_EFI
 #define IOAPI_PREFIX_efi
 #else

src/include/gpxe/efi/efi_pci.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifdef PCIAPI_EFI
 #define PCIAPI_PREFIX_efi
 #else

src/include/gpxe/efi/efi_smbios.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifdef SMBIOS_EFI
 #define SMBIOS_PREFIX_efi
 #else

src/include/gpxe/efi/efi_timer.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifdef TIMER_EFI
 #define TIMER_PREFIX_efi
 #else

src/include/gpxe/efi/efi_uaccess.h

@@ -10,6 +10,8 @@
  * no-ops.
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifdef UACCESS_EFI
 #define UACCESS_PREFIX_efi
 #else

src/include/gpxe/efi/efi_umalloc.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifdef UMALLOC_EFI
 #define UMALLOC_PREFIX_efi
 #else

src/include/gpxe/eisa.h

@@ -1,6 +1,8 @@
 #ifndef EISA_H
 #define EISA_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/isa_ids.h>
 #include <gpxe/device.h>

src/include/gpxe/elf.h

@@ -8,6 +8,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <elf.h>
 
 extern int elf_load ( struct image *image );

src/include/gpxe/errfile.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <bits/errfile.h>
 
 /**

src/include/gpxe/errortab.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/tables.h>
 
 struct errortab {

src/include/gpxe/ethernet.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/netdevice.h>
 #include <gpxe/if_ether.h>

src/include/gpxe/fakedhcp.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 struct net_device;

src/include/gpxe/features.h

@@ -11,6 +11,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /**
  * @defgroup featurecat Feature categories
  * @{

src/include/gpxe/filter.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stddef.h>
 #include <gpxe/xfer.h>
 

src/include/gpxe/ftp.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** FTP default port */
 #define FTP_PORT 21
 

src/include/gpxe/gdbserial.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct gdb_transport;
 
 /**

src/include/gpxe/gdbstub.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/tables.h>
 #include <gdbmach.h>

src/include/gpxe/gdbudp.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct sockaddr_in;
 struct gdb_transport;
 

src/include/gpxe/hidemem.h

@@ -8,6 +8,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 extern void hide_umalloc ( physaddr_t start, physaddr_t end );

src/include/gpxe/hmac.h

@@ -6,6 +6,8 @@
  * Keyed-Hashing for Message Authentication
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/crypto.h>
 
 /**

src/include/gpxe/http.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** HTTP default port */
 #define HTTP_PORT 80
 

src/include/gpxe/i2c.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/bitbash.h>
 

src/include/gpxe/ib_mad.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/ib_packet.h>
 

src/include/gpxe/ib_packet.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct ib_device;
 struct ib_queue_pair;
 struct ib_address_vector;

src/include/gpxe/ib_sma.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/infiniband.h>
 #include <gpxe/process.h>
 

src/include/gpxe/ib_smc.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/infiniband.h>
 
 typedef int ( * ib_local_mad_t ) ( struct ib_device *ibdev,

src/include/gpxe/icmp.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** An ICMP header */
 struct icmp_header {
 	/** Type */

src/include/gpxe/icmp6.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/ip6.h>
 #include <gpxe/ndp.h>
 

src/include/gpxe/if_arp.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 /* ARP protocol HARDWARE identifiers. */

src/include/gpxe/if_ether.h

@@ -1,6 +1,8 @@
 #ifndef	_GPXE_IF_ETHER_H
 #define	_GPXE_IF_ETHER_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 #define ETH_ALEN		6	/* Size of Ethernet address */

src/include/gpxe/image.h

@@ -8,6 +8,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/tables.h>
 #include <gpxe/list.h>
 #include <gpxe/uaccess.h>

src/include/gpxe/in.h

@@ -1,6 +1,8 @@
 #ifndef	_GPXE_IN_H
 #define	_GPXE_IN_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/socket.h>
 

src/include/gpxe/infiniband.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/refcnt.h>
 #include <gpxe/device.h>

src/include/gpxe/init.h

@@ -1,6 +1,8 @@
 #ifndef _GPXE_INIT_H
 #define _GPXE_INIT_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/tables.h>
 
 /**

src/include/gpxe/interface.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/refcnt.h>
 
 /** An object communication interface */

src/include/gpxe/io.h

@@ -16,6 +16,8 @@
  * the address parameter.
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/api.h>
 #include <config/ioapi.h>

src/include/gpxe/iobuf.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <assert.h>
 #include <gpxe/list.h>

src/include/gpxe/ip.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/in.h>
 #include <gpxe/list.h>

src/include/gpxe/ip6.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/in.h>
 

src/include/gpxe/ipoib.h

@@ -6,6 +6,8 @@
  * IP over Infiniband
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/infiniband.h>
 
 /** IPoIB packet length */

src/include/gpxe/isa.h

@@ -1,6 +1,8 @@
 #ifndef	ISA_H
 #define ISA_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/isa_ids.h>
 #include <gpxe/device.h>

src/include/gpxe/isa_ids.h

@@ -19,6 +19,8 @@
  * the underlying "meaning" is big-endian.
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <byteswap.h>
 
 /*

src/include/gpxe/isapnp.h

@@ -33,6 +33,8 @@
 *
 ***************************************************************************/
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifndef ISAPNP_H
 #define ISAPNP_H
 

src/include/gpxe/iscsi.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/socket.h>
 #include <gpxe/scsi.h>

src/include/gpxe/job.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stddef.h>
 #include <gpxe/interface.h>
 

src/include/gpxe/keys.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /*
  * Symbolic names for some standard ASCII characters
  *

src/include/gpxe/linebuf.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <stddef.h>
 

src/include/gpxe/linux_compat.h

@@ -10,6 +10,8 @@
  * intended to be a substitute for proper porting.
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <errno.h>
 #include <stdio.h>

src/include/gpxe/list.h

@@ -9,6 +9,8 @@
  * list.h.
  */
 
+FILE_LICENCE ( GPL2_ONLY );
+
 #include <stddef.h>
 #include <assert.h>
 

src/include/gpxe/login_ui.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 extern int login_ui ( void );
 
 #endif /* _GPXE_LOGIN_UI_H */

src/include/gpxe/malloc.h

@@ -9,6 +9,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /*
  * Prototypes for the standard functions (malloc() et al) are in
  * stdlib.h.  Include <gpxe/malloc.h> only if you need the

src/include/gpxe/mca.h

@@ -5,6 +5,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifndef MCA_H
 #define MCA_H
 

src/include/gpxe/md5.h

@@ -1,6 +1,8 @@
 #ifndef _GPXE_MD5_H
 #define _GPXE_MD5_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct digest_algorithm;
 
 #include <stdint.h>

src/include/gpxe/memmap.h

@@ -10,6 +10,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** A usable memory region */
 struct memory_region {
 	/** Physical start address */

src/include/gpxe/monojob.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct job_interface;
 
 extern struct job_interface monojob;

src/include/gpxe/nap.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/api.h>
 #include <config/nap.h>
 

src/include/gpxe/netdevice.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/list.h>
 #include <gpxe/tables.h>

src/include/gpxe/null_nap.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifdef NAP_NULL
 #define NAP_PREFIX_null
 #else

src/include/gpxe/nvo.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/dhcpopts.h>
 #include <gpxe/settings.h>

src/include/gpxe/nvs.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 /** A non-volatile storage device */

src/include/gpxe/open.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdarg.h>
 #include <gpxe/tables.h>
 #include <gpxe/socket.h>

src/include/gpxe/pci.h

@@ -16,6 +16,8 @@
  * your option) any later version.
  */
 
+FILE_LICENCE ( GPL2_ONLY );
+
 #include <stdint.h>
 #include <gpxe/device.h>
 #include <gpxe/tables.h>

src/include/gpxe/pci_ids.h

@@ -7,6 +7,8 @@
  *	Please keep sorted.
  */
 
+FILE_LICENCE ( GPL2_ONLY );
+
 /* Device classes and subclasses */
 
 #define PCI_CLASS_NOT_DEFINED		0x0000

src/include/gpxe/pci_io.h

@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/api.h>
 #include <config/ioapi.h>