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The NAND Flash environment consists of several distinct components: - NAND framework (drivers harness for NAND controllers and NAND chips) - NAND simulator (NANDsim) - NAND file system (NAND FS) - Companion tools and utilities - Documentation (manual pages) This work is still experimental. Please use with caution. Obtained from: Semihalf Supported by: FreeBSD Foundation, Juniper Networks
91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
/*-
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* Copyright (C) 2009-2012 Semihalf
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _DEV_NAND_CDEV_H_
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#define _DEV_NAND_CDEV_H_
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#include <sys/ioccom.h>
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#include <sys/param.h>
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struct nand_raw_rw {
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off_t off;
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off_t len;
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uint8_t *data;
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};
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struct nand_oob_rw {
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uint32_t page;
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off_t len;
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uint8_t *data;
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};
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#define NAND_IOCTL_GROUP 'N'
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#define NAND_IO_ERASE _IOWR(NAND_IOCTL_GROUP, 0x0, off_t[2])
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#define NAND_IO_OOB_READ _IOWR(NAND_IOCTL_GROUP, 0x1, struct nand_oob_rw)
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#define NAND_IO_OOB_PROG _IOWR(NAND_IOCTL_GROUP, 0x2, struct nand_oob_rw)
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#define NAND_IO_RAW_READ _IOWR(NAND_IOCTL_GROUP, 0x3, struct nand_raw_rw)
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#define NAND_IO_RAW_PROG _IOWR(NAND_IOCTL_GROUP, 0x4, struct nand_raw_rw)
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#define NAND_IO_GET_STATUS _IOWR(NAND_IOCTL_GROUP, 0x5, uint8_t)
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struct page_stat_io {
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uint32_t page_num;
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uint32_t page_read;
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uint32_t page_written;
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uint32_t page_raw_read;
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uint32_t page_raw_written;
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uint32_t ecc_succeded;
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uint32_t ecc_corrected;
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uint32_t ecc_failed;
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};
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#define NAND_IO_PAGE_STAT _IOWR(NAND_IOCTL_GROUP, 0x6, \
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struct page_stat_io)
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struct block_stat_io {
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uint32_t block_num;
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uint32_t block_erased;
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};
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#define NAND_IO_BLOCK_STAT _IOWR(NAND_IOCTL_GROUP, 0x7, \
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struct block_stat_io)
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struct chip_param_io {
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uint32_t page_size;
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uint32_t oob_size;
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uint32_t blocks;
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uint32_t pages_per_block;
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};
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#define NAND_IO_GET_CHIP_PARAM _IOWR(NAND_IOCTL_GROUP, 0x8, \
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struct chip_param_io)
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#endif /* _DEV_NAND_CDEV_H_ */
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