2 * Copyright (C) 2008 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
20 #include <utils/List.h>
30 static const int State_Init = -1;
31 static const int State_NoMedia = 0;
32 static const int State_Idle = 1;
33 static const int State_Pending = 2;
34 static const int State_Checking = 3;
35 static const int State_Mounted = 4;
36 static const int State_Unmounting = 5;
37 static const int State_Formatting = 6;
38 static const int State_Shared = 7;
39 static const int State_SharedMnt = 8;
41 static const char *SECDIR;
42 static const char *SEC_STGDIR;
43 static const char *SEC_STG_SECIMGDIR;
44 static const char *SEC_ASECDIR_EXT;
45 static const char *SEC_ASECDIR_INT;
46 static const char *ASECDIR;
48 static const char *LOOPDIR;
60 * The major/minor tuple of the currently mounted filesystem.
62 dev_t mCurrentlyMountedKdev;
65 Volume(VolumeManager *vm, const char *label, const char *mount_point);
69 int unmountVol(bool force, bool revert);
70 int formatVol(bool wipe);
72 const char *getLabel() { return mLabel; }
73 const char *getMountpoint() { return mMountpoint; }
74 int getState() { return mState; }
76 virtual int handleBlockEvent(NetlinkEvent *evt);
77 virtual dev_t getDiskDevice();
78 virtual dev_t getShareDevice();
79 virtual void handleVolumeShared();
80 virtual void handleVolumeUnshared();
82 void setDebug(bool enable);
83 virtual int getVolInfo(struct volume_info *v) = 0;
86 void setState(int state);
88 virtual int getDeviceNodes(dev_t *devs, int max) = 0;
89 virtual int updateDeviceInfo(char *new_path, int new_major, int new_minor) = 0;
90 virtual void revertDeviceInfo(void) = 0;
91 virtual int isDecrypted(void) = 0;
92 virtual int getFlags(void) = 0;
94 int createDeviceNode(const char *path, int major, int minor);
97 int initializeMbr(const char *deviceNode);
98 bool isMountpointMounted(const char *path);
99 int createBindMounts();
100 int doUnmount(const char *path, bool force);
101 int doMoveMount(const char *src, const char *dst, bool force);
102 void protectFromAutorunStupidity();
105 typedef android::List<Volume *> VolumeCollection;