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nvram.h
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1/*
2 * Copyright (C) 2015 Eistec AB
3 *
4 * This file is subject to the terms and conditions of the GNU Lesser General
5 * Public License v2.1. See the file LICENSE in the top level directory for more
6 * details.
7 */
8
9#pragma once
10
28
29#include <stdint.h>
30#include <stddef.h>
31
32#if MODULE_VFS
33#include "vfs.h"
34#endif
35
36#ifdef __cplusplus
37extern "C" {
38#endif
39
40/* Forward declaration in order to declare function pointers which take this
41 * type as a parameter within the struct. */
42struct nvram;
43
47typedef struct nvram {
61 int (*read)(struct nvram *dev, uint8_t *dst, uint32_t src, size_t size);
62
76 int (*write)(struct nvram *dev, const uint8_t *src, uint32_t dst, size_t size);
77
79 size_t size;
80
82 void *extra;
83} nvram_t;
84
85#if MODULE_VFS
86extern const vfs_file_ops_t nvram_vfs_ops;
87#endif
88
89#ifdef __cplusplus
90}
91#endif
92
nvram_t
struct nvram nvram_t
Device descriptor for generic NVRAM devices.
vfs_file_ops_t
struct vfs_file_ops vfs_file_ops_t
struct vfs_file_ops typedef
Definition vfs.h:358
nvram
Device descriptor for generic NVRAM devices.
Definition nvram.h:47
nvram::extra
void * extra
Device-specific parameters, if any.
Definition nvram.h:82
nvram::write
int(* write)(struct nvram *dev, const uint8_t *src, uint32_t dst, size_t size)
Pointer to device-specific write function.
Definition nvram.h:76
nvram::size
size_t size
Device capacity.
Definition nvram.h:79
nvram::read
int(* read)(struct nvram *dev, uint8_t *dst, uint32_t src, size_t size)
Pointer to device-specific read function.
Definition nvram.h:61