2 * Copyright (C) 2014 John Crispin <blogic@openwrt.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License version 2.1
6 * as published by the Free Software Foundation
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
17 #include <asm/byteorder.h>
21 typedef int (*volume_probe_t)(void);
22 typedef int (*volume_init_t)(struct volume *v);
23 typedef void (*volume_stop_t)(struct volume *v);
24 typedef struct volume *(*volume_find_t)(char *name);
25 typedef int (*volume_identify_t)(struct volume *v);
26 typedef int (*volume_read_t)(struct volume *v, void *buf, int offset, int length);
27 typedef int (*volume_write_t)(struct volume *v, void *buf, int offset, int length);
28 typedef int (*volume_erase_t)(struct volume *v, int start, int len);
29 typedef int (*volume_erase_all_t)(struct volume *v);
32 struct list_head list;
38 volume_identify_t identify;
42 volume_erase_all_t erase_all;
62 extern struct volume* volume_find(char *name);
63 extern void volume_register_driver(struct driver *drv);
65 static inline int volume_init(struct volume *v)
67 if (v && v->drv->init)
68 return v->drv->init(v);
72 static inline int volume_identify(struct volume *v)
74 if (v && v->drv->identify)
75 return v->drv->identify(v);
79 static inline int volume_erase(struct volume *v, int offset, int len)
81 if (v && v->drv->erase)
82 return v->drv->erase(v, offset, len);
86 static inline int volume_erase_all(struct volume *v)
88 if (v && v->drv->erase_all)
89 return v->drv->erase_all(v);
93 static inline int volume_read(struct volume *v, void *buf, int offset, int length)
95 if (v && v->drv->read)
96 return v->drv->read(v, buf, offset, length);
100 static inline int volume_write(struct volume *v, void *buf, int offset, int length)
102 if (v && v->drv->write)
103 return v->drv->write(v, buf, offset, length);
108 static void __attribute__((constructor)) \
109 drv_register_##x(void) { \
110 volume_register_driver(&x); \