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/*
* Copyright (C) 2019 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.image;
import android.gsi.AvbPublicKey;
import android.gsi.GsiProgress;
/** {@hide} */
interface IDynamicSystemService
{
/**
* Start DynamicSystem installation.
* @param dsuSlot Name used to identify this installation
* @return true if the call succeeds
*/
@EnforcePermission("MANAGE_DYNAMIC_SYSTEM")
boolean startInstallation(@utf8InCpp String dsuSlot);
/**
* Create a DSU partition. This call may take 60~90 seconds. The caller
* may use another thread to call the getStartProgress() to get the progress.
* @param name The DSU partition name
* @param size Size of the DSU image in bytes
* @param readOnly True if this partition is readOnly
* @return IGsiService.INSTALL_* status code
*/
@EnforcePermission("MANAGE_DYNAMIC_SYSTEM")
int createPartition(@utf8InCpp String name, long size, boolean readOnly);
/**
* Complete the current partition installation.
*
* @return true if the partition installation completes without error.
*/
@EnforcePermission("MANAGE_DYNAMIC_SYSTEM")
boolean closePartition();
/**
* Finish a previously started installation. Installations without
* a cooresponding finishInstallation() will be cleaned up during device boot.
*/
@EnforcePermission("MANAGE_DYNAMIC_SYSTEM")
boolean finishInstallation();
/**
* Query the progress of the current installation operation. This can be called while
* the installation is in progress.
*
* @return GsiProgress
*/
@EnforcePermission("MANAGE_DYNAMIC_SYSTEM")
GsiProgress getInstallationProgress();
/**
* Abort the installation process. Note this method must be called in a thread other
* than the one calling the startInstallation method as the startInstallation
* method will not return until it is finished.
*
* @return true if the call succeeds
*/
@EnforcePermission("MANAGE_DYNAMIC_SYSTEM")
boolean abort();
/**
* @return true if the device is running an DynamicAnroid image
*/
@RequiresNoPermission
boolean isInUse();
/**
* @return true if the device has an DynamicSystem image installed
*/
@RequiresNoPermission
boolean isInstalled();
/**
* @return true if the device has an DynamicSystem image enabled
*/
@EnforcePermission("MANAGE_DYNAMIC_SYSTEM")
boolean isEnabled();
/**
* Remove DynamicSystem installation if present
*
* @return true if the call succeeds
*/
@EnforcePermission("MANAGE_DYNAMIC_SYSTEM")
boolean remove();
/**
* Enable or disable DynamicSystem.
*
* @param oneShot If true, the GSI will boot once and then disable itself.
*
* @return true if the call succeeds
*/
@EnforcePermission("MANAGE_DYNAMIC_SYSTEM")
boolean setEnable(boolean enable, boolean oneShot);
/**
* Set the file descriptor that points to a ashmem which will be used
* to fetch data during the submitFromAshmem.
*
* @param fd fd that points to a ashmem
* @param size size of the ashmem file
*/
@EnforcePermission("MANAGE_DYNAMIC_SYSTEM")
boolean setAshmem(in ParcelFileDescriptor fd, long size);
/**
* Submit bytes to the DSU partition from the ashmem previously set with
* setAshmem.
*
* @param bytes number of bytes that can be read from stream.
* @return true on success, false otherwise.
*/
@EnforcePermission("MANAGE_DYNAMIC_SYSTEM")
boolean submitFromAshmem(long bytes);
/**
* Retrieve AVB public key from installing partition.
*
* @param dst Output the AVB public key.
* @return true on success, false if partition doesn't have a
* valid VBMeta block to retrieve the AVB key from.
*/
@EnforcePermission("MANAGE_DYNAMIC_SYSTEM")
boolean getAvbPublicKey(out AvbPublicKey dst);
/**
* Returns the suggested scratch partition size for overlayFS.
*/
@EnforcePermission("MANAGE_DYNAMIC_SYSTEM")
long suggestScratchSize();
}
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