linux/arch/x86/boot/edd.c

// SPDX-License-Identifier: GPL-2.0-only
/* -*- linux-c -*- ------------------------------------------------------- *
 *
 *   Copyright (C) 1991, 1992 Linus Torvalds
 *   Copyright 2007 rPath, Inc. - All Rights Reserved
 *   Copyright 2009 Intel Corporation; author H. Peter Anvin
 *
 * ----------------------------------------------------------------------- */

/*
 * Get EDD BIOS disk information
 */

#include "boot.h"
#include <linux/edd.h>
#include "string.h"

#if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE)

/*
 * Read the MBR (first sector) from a specific device.
 */
static int read_mbr(u8 devno, void *buf)
{ … }

static u32 read_mbr_sig(u8 devno, struct edd_info *ei, u32 *mbrsig)
{ … }

static int get_edd_info(u8 devno, struct edd_info *ei)
{ … }

void query_edd(void)
{ … }

#endif