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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _DEVMAPPER_H
#define _DEVMAPPER_H
#include <pthread.h>
#include "vold.h"
#include "blkdev.h"
#include "media.h"
#define MAX_LOOP 8
enum dm_src_type {
dmsrc_unknown,
dmsrc_loopback,
dmsrc_partition,
};
struct loop_data {
char *loop_src;
char *loop_dev;
int loop_no;
};
struct part_data {
char part_type;
char *part_dev;
};
struct devmapping {
enum dm_src_type src_type;
union {
struct loop_data loop;
struct part_data part;
} type_data;
uint32_t size_mb;
char *target;
char *params;
char *tgt_fs;
unsigned char key[16];
int dm_no;
media_t *media;
};
struct devmapping *devmapper_init(char *, char *, unsigned int, char *, char *, char *, char *);
int devmapper_start(struct devmapping *);
int devmapper_stop(struct devmapping *);
int devmapper_genesis(struct devmapping *);
#endif
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