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San Mehatb78a32c2010-01-10 13:02:12 -08001/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef _DEVMAPPER_H
18#define _DEVMAPPER_H
19
20#include <unistd.h>
21#include <linux/dm-ioctl.h>
22
San Mehatd9a4e352010-03-12 13:32:47 -080023class SocketClient;
24
San Mehatb78a32c2010-01-10 13:02:12 -080025class Devmapper {
26public:
San Mehat8b8f71b2010-01-11 09:17:25 -080027 static int create(const char *name, const char *loopFile, const char *key,
28 unsigned int numSectors, char *buffer, size_t len);
San Mehatb78a32c2010-01-10 13:02:12 -080029 static int destroy(const char *name);
30 static int lookupActive(const char *name, char *buffer, size_t len);
San Mehatd9a4e352010-03-12 13:32:47 -080031 static int dumpState(SocketClient *c);
32
San Mehatb78a32c2010-01-10 13:02:12 -080033private:
34 static void *_align(void *ptr, unsigned int a);
35 static void ioctlInit(struct dm_ioctl *io, size_t data_size,
36 const char *name, unsigned flags);
37};
38
39#endif