57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
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/*
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* Copyright (C) 2010 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., 675 Mass Ave, Cambridge, MA 02139, 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/interface.h>
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#include <ipxe/edd.h>
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/** @file
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*
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* Enhanced Disk Drive specification
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*
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*/
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/**
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* Describe a disk device using EDD
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*
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* @v intf Interface
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* @v type EDD interface type
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* @v path EDD device path
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* @ret rc Return status code
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*/
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int edd_describe ( struct interface *intf, struct edd_interface_type *type,
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union edd_device_path *path ) {
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struct interface *dest;
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edd_describe_TYPE ( void * ) *op =
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intf_get_dest_op ( intf, edd_describe, &dest );
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void *object = intf_object ( dest );
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int rc;
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if ( op ) {
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rc = op ( object, type, path );
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} else {
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/* Default is to not support this operation */
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rc = -ENOTSUP;
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}
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intf_put ( dest );
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return rc;
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}
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