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- /*
- * Copyright (C) 2014 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
- FILE_LICENCE ( GPL2_OR_LATER );
-
- #include <errno.h>
- #include <ipxe/efi/efi.h>
- #include <ipxe/efi/efi_driver.h>
- #include "snpnet.h"
-
- /** @file
- *
- * SNP chainloaded-device-only driver
- *
- */
-
- /**
- * Check to see if driver supports a device
- *
- * @v device EFI device handle
- * @ret rc Return status code
- */
- static int snponly_supported ( EFI_HANDLE device ) {
-
- /* Check that this device is our loaded image's device */
- if ( device != efi_loaded_image->DeviceHandle )
- return -ENOTTY;
-
- DBGC ( device, "SNP %p %s is the SNP chainloading device\n",
- device, efi_handle_devpath_text ( device ) );
-
- return 0;
- }
-
- /** EFI SNP driver */
- struct efi_driver snponly_driver __efi_driver ( EFI_DRIVER_NORMAL ) = {
- .name = "SNPONLY",
- .supported = snponly_supported,
- .start = snpnet_start,
- .stop = snpnet_stop,
- };
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