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