// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) International Business Machines Corp., 2006
* Copyright (c) Nokia Corporation, 2007
*
* Author: Artem Bityutskiy (Битюцкий Артём),
* Frank Haverkamp
*/
/*
* This file includes UBI initialization and building of UBI devices.
*
* When UBI is initialized, it attaches all the MTD devices specified as the
* module load parameters or the kernel boot parameters. If MTD devices were
* specified, UBI does not attach any MTD device, but it is possible to do
* later using the "UBI control device".
*/
#include <linux/err.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/stringify.h>
#include <linux/namei.h>
#include <linux/stat.h>
#include <linux/miscdevice.h>
#include <linux/mtd/partitions.h>
#include <linux/log2.h>
#include <linux/kthread.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/major.h>
#include "ubi.h"
/* Maximum length of the 'mtd=' parameter */
#define MTD_PARAM_LEN_MAX 64
/* Maximum number of comma-separated items in the 'mtd=' parameter */
#define MTD_PARAM_MAX_COUNT 5
/* Maximum value for the number of bad PEBs per 1024 PEBs */
#define MAX_MTD_UBI_BEB_LIMIT 768
#ifdef CONFIG_MTD_UBI_MODULE
#define ubi_is_module() 1
#else
#define ubi_is_module() 0
#endif
/**
* struct mtd_dev_param - MTD device parameter description data structure.
* @name: MTD character device node path, MTD device name, or MTD device number
* string
* @ubi_num: UBI number
* @vid_hdr_offs: VID header offset
* @max_beb_per1024: maximum expected number of bad PEBs per 1024 PEBs
* @enable_fm: enable fastmap when value is non-zero
*/
struct mtd_dev_para
