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/*
* Copyright (C) 2017 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.
*/
package android.os;
import android.os.incremental.IncrementalFileSystemControlParcel;
import android.os.IVoldListener;
import android.os.IVoldMountCallback;
import android.os.IVoldTaskListener;
/** {@hide} */
interface IVold {
void setListener(IVoldListener listener);
void abortFuse();
void monitor();
void reset();
void shutdown();
void onUserAdded(int userId, int userSerial, int sharesStorageWithUserId);
void onUserRemoved(int userId);
void onUserStarted(int userId);
void onUserStopped(int userId);
void addAppIds(in @utf8InCpp String[] packageNames, in int[] appIds);
void addSandboxIds(in int[] appIds, in @utf8InCpp String[] sandboxIds);
void onSecureKeyguardStateChanged(boolean isShowing);
void partition(@utf8InCpp String diskId, int partitionType, int ratio);
void forgetPartition(@utf8InCpp String partGuid, @utf8InCpp String fsUuid);
void mount(@utf8InCpp String volId, int mountFlags, int mountUserId,
@nullable IVoldMountCallback callback);
void unmount(@utf8InCpp String volId);
void format(@utf8InCpp String volId, @utf8InCpp String fsType);
void benchmark(@utf8InCpp String volId, IVoldTaskListener listener);
void moveStorage(@utf8InCpp String fromVolId, @utf8InCpp String toVolId,
IVoldTaskListener listener);
void remountUid(int uid, int remountMode);
void remountAppStorageDirs(int uid, int pid, in @utf8InCpp String[] packageNames);
void unmountAppStorageDirs(int uid, int pid, in @utf8InCpp String[] packageNames);
void setupAppDir(@utf8InCpp String path, int appUid);
void fixupAppDir(@utf8InCpp String path, int appUid);
void ensureAppDirsCreated(in @utf8InCpp String[] paths, int appUid);
@utf8InCpp String createObb(@utf8InCpp String sourcePath, int ownerGid);
void destroyObb(@utf8InCpp String volId);
void fstrim(int fstrimFlags, IVoldTaskListener listener);
void runIdleMaint(boolean needGC, IVoldTaskListener listener);
void abortIdleMaint(IVoldTaskListener listener);
int getStorageLifeTime();
void setGCUrgentPace(int neededSegments, int minSegmentThreshold,
float dirtyReclaimRate, float reclaimWeight,
int gcPeriod, int minGCSleepTime,
int targetDirtyRatio);
void refreshLatestWrite();
int getWriteAmount();
FileDescriptor mountAppFuse(int uid, int mountId);
void unmountAppFuse(int uid, int mountId);
void fbeEnable();
void initUser0();
void mountFstab(@utf8InCpp String blkDevice, @utf8InCpp String mountPoint, @utf8InCpp String zonedDevice);
void encryptFstab(@utf8InCpp String blkDevice, @utf8InCpp String mountPoint, boolean shouldFormat, @utf8InCpp String fsType, @utf8InCpp String zonedDevice);
void setStorageBindingSeed(in byte[] seed);
void createUserStorageKeys(int userId, boolean ephemeral);
void destroyUserStorageKeys(int userId);
void setCeStorageProtection(int userId, @utf8InCpp String secret);
int[] getUnlockedUsers();
void unlockCeStorage(int userId, @utf8InCpp String secret);
void lockCeStorage(int userId);
void prepareUserStorage(@nullable @utf8InCpp String uuid, int userId, int storageFlags);
void destroyUserStorage(@nullable @utf8InCpp String uuid, int userId, int storageFlags);
void prepareSandboxForApp(in @utf8InCpp String packageName, int appId,
in @utf8InCpp String sandboxId, int userId);
void destroySandboxForApp(in @utf8InCpp String packageName,
in @utf8InCpp String sandboxId, int userId);
void startCheckpoint(int retry);
boolean needsCheckpoint();
boolean needsRollback();
boolean isCheckpointing();
void abortChanges(in @utf8InCpp String device, boolean retry);
void commitChanges();
void prepareCheckpoint();
void restoreCheckpoint(@utf8InCpp String device);
void restoreCheckpointPart(@utf8InCpp String device, int count);
void markBootAttempt();
boolean supportsCheckpoint();
boolean supportsBlockCheckpoint();
boolean supportsFileCheckpoint();
void resetCheckpoint();
void earlyBootEnded();
@utf8InCpp String createStubVolume(@utf8InCpp String sourcePath,
@utf8InCpp String mountPath, @utf8InCpp String fsType,
@utf8InCpp String fsUuid, @utf8InCpp String fsLabel, int flags);
void destroyStubVolume(@utf8InCpp String volId);
FileDescriptor openAppFuseFile(int uid, int mountId, int fileId, int flags);
boolean incFsEnabled();
IncrementalFileSystemControlParcel mountIncFs(@utf8InCpp String backingPath, @utf8InCpp String targetDir, int flags, @utf8InCpp String sysfsName);
void unmountIncFs(@utf8InCpp String dir);
void setIncFsMountOptions(in IncrementalFileSystemControlParcel control, boolean enableReadLogs, boolean enableReadTimeouts, @utf8InCpp String sysfsName);
void bindMount(@utf8InCpp String sourceDir, @utf8InCpp String targetDir);
void destroyDsuMetadataKey(@utf8InCpp String dsuSlot);
long getStorageSize();
const int FSTRIM_FLAG_DEEP_TRIM = 1;
const int MOUNT_FLAG_PRIMARY = 1;
const int MOUNT_FLAG_VISIBLE_FOR_READ = 2;
const int MOUNT_FLAG_VISIBLE_FOR_WRITE = 4;
const int PARTITION_TYPE_PUBLIC = 0;
const int PARTITION_TYPE_PRIVATE = 1;
const int PARTITION_TYPE_MIXED = 2;
const int STORAGE_FLAG_DE = 1;
const int STORAGE_FLAG_CE = 2;
const int REMOUNT_MODE_NONE = 0;
const int REMOUNT_MODE_DEFAULT = 1;
const int REMOUNT_MODE_INSTALLER = 2;
const int REMOUNT_MODE_PASS_THROUGH = 3;
const int REMOUNT_MODE_ANDROID_WRITABLE = 4;
const int VOLUME_STATE_UNMOUNTED = 0;
const int VOLUME_STATE_CHECKING = 1;
const int VOLUME_STATE_MOUNTED = 2;
const int VOLUME_STATE_MOUNTED_READ_ONLY = 3;
const int VOLUME_STATE_FORMATTING = 4;
const int VOLUME_STATE_EJECTING = 5;
const int VOLUME_STATE_UNMOUNTABLE = 6;
const int VOLUME_STATE_REMOVED = 7;
const int VOLUME_STATE_BAD_REMOVAL = 8;
const int VOLUME_TYPE_PUBLIC = 0;
const int VOLUME_TYPE_PRIVATE = 1;
const int VOLUME_TYPE_EMULATED = 2;
const int VOLUME_TYPE_ASEC = 3;
const int VOLUME_TYPE_OBB = 4;
const int VOLUME_TYPE_STUB = 5;
}
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