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mtd_mapper.h
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/*
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* Copyright (C) 2020 Koen Zandberg <koen@bergzand.net>
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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#ifndef MTD_MAPPER_H
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#define MTD_MAPPER_H
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#include <stdint.h>
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#include <stdbool.h>
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#include "
mtd.h
"
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#include "
mutex.h
"
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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#define MTD_PARENT_INIT(_parent) \
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{ \
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.mtd = _parent, \
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.lock = MUTEX_INIT, \
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.init = false, \
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}
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typedef
struct
{
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mtd_dev_t
*
mtd
;
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mutex_t
lock
;
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bool
init
;
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}
mtd_mapper_parent_t
;
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typedef
struct
{
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mtd_dev_t
mtd
;
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mtd_mapper_parent_t
*
parent
;
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uint32_t
sector
;
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}
mtd_mapper_region_t
;
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extern
const
mtd_desc_t
mtd_mapper_driver
;
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#ifdef __cplusplus
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}
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#endif
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#endif
/* MTD_MAPPER_H */
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mtd_dev_t
MTD device descriptor.
Definition:
mtd.h:58
mtd_mapper_parent_t
MTD mapper backing device context.
Definition:
mtd_mapper.h:87
mtd_desc
MTD driver interface.
Definition:
mtd.h:75
mtd_mapper_region_t::mtd
mtd_dev_t mtd
MTD context
Definition:
mtd_mapper.h:97
mtd_mapper_parent_t::lock
mutex_t lock
Mutex for guarding the backing device access.
Definition:
mtd_mapper.h:89
mtd_mapper_parent_t::mtd
mtd_dev_t * mtd
Parent MTD device.
Definition:
mtd_mapper.h:88
mtd_mapper_parent_t::init
bool init
Initialization flag.
Definition:
mtd_mapper.h:90
mutex.h
Mutex for thread synchronization.
mtd.h
mtd_mapper_region_t::sector
uint32_t sector
first sector of the region
Definition:
mtd_mapper.h:99
mtd_mapper_region_t::parent
mtd_mapper_parent_t * parent
MTD mapper parent device
Definition:
mtd_mapper.h:98
mtd_mapper_driver
const mtd_desc_t mtd_mapper_driver
Mapper MTD device operations table.
mtd_mapper_region_t
MTD mapped region.
Definition:
mtd_mapper.h:96
mutex_t
Mutex structure.
Definition:
mutex.h:120
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