1 /* 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 23 class SocketClient; 24 25 class Devmapper { 26 public: 27 static int create(const char *name, const char *loopFile, const char *key, 28 unsigned int numSectors, char *buffer, size_t len); 29 static int destroy(const char *name); 30 static int lookupActive(const char *name, char *buffer, size_t len); 31 static int dumpState(SocketClient *c); 32 33 private: 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 40
