IPXE/ipxe-3fe683e/src/arch/x86/interface/pcbios/int13.c

   1 /*
   2  * Copyright (C) 2010 Michael Brown <mbrown@fensystems.co.uk>.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  17  * 02110-1301, USA.
  18  *
  19  * You can also choose to distribute this program under the terms of
  20  * the Unmodified Binary Distribution Licence (as given in the file
  21  * COPYING.UBDL), provided that you have satisfied its requirements.
  22  */
  23
  24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
  25
  26 #include <errno.h>
  27 #include <ipxe/sanboot.h>
  28
  29 static int null_san_hook ( unsigned int drive __unused,
  30                            struct uri **uris __unused,
  31                            unsigned int count __unused,
  32                            unsigned int flags __unused ) {
  33         return -EOPNOTSUPP;
  34 }
  35
  36 static void null_san_unhook ( unsigned int drive __unused ) {
  37         /* Do nothing */
  38 }
  39
  40 static int null_san_boot ( unsigned int drive __unused,
  41                            const char *filename __unused ) {
  42         return -EOPNOTSUPP;
  43 }
  44
  45 static int null_san_describe ( void ) {
  46         return -EOPNOTSUPP;
  47 }
  48
  49 PROVIDE_SANBOOT ( pcbios, san_hook, null_san_hook );
  50 PROVIDE_SANBOOT ( pcbios, san_unhook, null_san_unhook );
  51 PROVIDE_SANBOOT ( pcbios, san_boot, null_san_boot );
  52 PROVIDE_SANBOOT ( pcbios, san_describe, null_san_describe );
  53