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/* $NetBSD: flashio.h,v 1.5 2021/09/16 20:17:48 andvar Exp $ */
/*-
* Copyright (c) 2011 Department of Software Engineering,
* University of Szeged, Hungary
* Copyright (c) 2011 Adam Hoka <ahoka@NetBSD.org>
* Copyright (c) 2010 David Tengeri <dtengeri@inf.u-szeged.hu>
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by the Department of Software Engineering, University of Szeged, Hungary
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _FLASHIO_H_
#define _FLASHIO_H_
#include <sys/ioctl.h>
/* this header may be used from the kernel */
#if defined(_KERNEL) || defined(_STANDALONE)
#include <sys/types.h>
#else
#include <stdint.h>
#include <stdbool.h>
#endif
enum {
FLASH_ERASE_DONE = 0x0,
FLASH_ERASE_FAILED = 0x1
};
enum {
FLASH_TYPE_UNKNOWN = 0x0,
FLASH_TYPE_NOR = 0x1,
FLASH_TYPE_NAND = 0x2
};
/* public userspace API */
/* common integer type to address flash */
typedef int64_t flash_off_t;
typedef uint64_t flash_size_t;
typedef uint64_t flash_addr_t;
/**
* struct erase_params - for ioctl erase call
* @addr: start address of the erase
* @len: length of the erase
*/
struct flash_erase_params {
flash_off_t ep_addr;
flash_off_t ep_len;
};
struct flash_badblock_params {
flash_off_t bbp_addr;
bool bbp_isbad;
};
struct flash_info_params {
flash_off_t ip_flash_size;
flash_size_t ip_page_size;
flash_size_t ip_erase_size;
uint8_t ip_flash_type;
};
struct flash_dump_params {
flash_off_t dp_block;
flash_off_t dp_len;
uint8_t *dp_buf;
};
enum {
FLASH_IOCTL_ERASE_BLOCK,
FLASH_IOCTL_DUMP,
FLASH_IOCTL_GET_INFO,
FLASH_IOCTL_BLOCK_ISBAD,
FLASH_IOCTL_BLOCK_MARKBAD
};
#define FLASH_ERASE_BLOCK \
_IOW('&', FLASH_IOCTL_ERASE_BLOCK, struct flash_erase_params)
#define FLASH_DUMP \
_IOWR('&', FLASH_IOCTL_DUMP, struct flash_dump_params)
#define FLASH_GET_INFO \
_IOWR('&', FLASH_IOCTL_GET_INFO, struct flash_info_params)
#define FLASH_BLOCK_ISBAD \
_IOWR('&', FLASH_IOCTL_BLOCK_ISBAD, struct flash_badblock_params)
#define FLASH_BLOCK_MARKBAD \
_IOW('&', FLASH_IOCTL_BLOCK_MARKBAD, struct flash_badblock_params)
#endif
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