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Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
87 lines
2.2 KiB
C
87 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright © 2009 - Maxim Levitsky
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* SmartMedia/xD translation layer
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*
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* Based loosly on ssfdc.c which is
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* © 2005 Eptar srl
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* Author: Claudio Lanconelli <lanconelli.claudio@eptar.com>
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*/
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#include <linux/mtd/blktrans.h>
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#include <linux/kfifo.h>
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#include <linux/sched.h>
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#include <linux/completion.h>
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#include <linux/mtd/mtd.h>
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struct ftl_zone {
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bool initialized;
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int16_t *lba_to_phys_table; /* LBA to physical table */
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struct kfifo free_sectors; /* queue of free sectors */
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};
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struct sm_ftl {
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struct mtd_blktrans_dev *trans;
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struct mutex mutex; /* protects the structure */
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struct ftl_zone *zones; /* FTL tables for each zone */
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/* Media information */
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int block_size; /* block size in bytes */
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int zone_size; /* zone size in blocks */
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int zone_count; /* number of zones */
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int max_lba; /* maximum lba in a zone */
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int smallpagenand; /* 256 bytes/page nand */
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bool readonly; /* is FS readonly */
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bool unstable;
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int cis_block; /* CIS block location */
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int cis_boffset; /* CIS offset in the block */
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int cis_page_offset; /* CIS offset in the page */
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void *cis_buffer; /* tmp buffer for cis reads */
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/* Cache */
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int cache_block; /* block number of cached block */
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int cache_zone; /* zone of cached block */
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unsigned char *cache_data; /* cached block data */
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long unsigned int cache_data_invalid_bitmap;
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bool cache_clean;
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struct work_struct flush_work;
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struct timer_list timer;
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/* Geometry stuff */
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int heads;
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int sectors;
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int cylinders;
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struct attribute_group *disk_attributes;
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};
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struct chs_entry {
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unsigned long size;
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unsigned short cyl;
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unsigned char head;
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unsigned char sec;
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};
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#define SM_FTL_PARTN_BITS 3
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#define sm_printk(format, ...) \
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printk(KERN_WARNING "sm_ftl" ": " format "\n", ## __VA_ARGS__)
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#define dbg(format, ...) \
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if (debug) \
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printk(KERN_DEBUG "sm_ftl" ": " format "\n", ## __VA_ARGS__)
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#define dbg_verbose(format, ...) \
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if (debug > 1) \
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printk(KERN_DEBUG "sm_ftl" ": " format "\n", ## __VA_ARGS__)
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static int sm_erase_block(struct sm_ftl *ftl, int zone_num, uint16_t block,
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int put_free);
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static void sm_mark_block_bad(struct sm_ftl *ftl, int zone_num, int block);
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static int sm_recheck_media(struct sm_ftl *ftl);
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