1 files changed, 57 insertions, 0 deletions
diff --git a/roms/ipxe/src/core/edd.c b/roms/ipxe/src/core/edd.c
new file mode 100644
index 00000000..d574ea6c
--- /dev/null
+++ b/roms/ipxe/src/core/edd.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2010 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/interface.h>
+#include <ipxe/edd.h>
+
+/** @file
+ *
+ * Enhanced Disk Drive specification
+ *
+ */
+
+/**
+ * Describe a disk device using EDD
+ *
+ * @v intf		Interface
+ * @v type		EDD interface type
+ * @v path		EDD device path
+ * @ret rc		Return status code
+ */
+int edd_describe ( struct interface *intf, struct edd_interface_type *type,
+		   union edd_device_path *path ) {
+	struct interface *dest;
+	edd_describe_TYPE ( void * ) *op =
+		intf_get_dest_op ( intf, edd_describe, &dest );
+	void *object = intf_object ( dest );
+	int rc;
+
+	if ( op ) {
+		rc = op ( object, type, path );
+	} else {
+		/* Default is to not support this operation */
+		rc = -ENOTSUP;
+	}
+
+	intf_put ( dest );
+	return rc;
+}