1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/*
* Copyright 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.hardware.boot@1.1;
import @1.0::IBootControl;
interface IBootControl extends @1.0::IBootControl {
/**
* Sets whether a snapshot-merge of any dynamic partition is in progress.
*
* After the merge status is set to a given value, subsequent calls to
* getSnapshotMergeStatus must return the set value.
*
* The merge status must be persistent across reboots. That is, getSnapshotMergeStatus
* must return the same value after a reboot if the merge status is not altered in any way
* (e.g. set by setSnapshotMergeStatus or set to CANCELLED by bootloader).
*
* Read/write access to the merge status must be atomic. When the HAL is processing a
* setSnapshotMergeStatus call, all subsequent calls to getSnapshotMergeStatus must block until
* setSnapshotMergeStatus has returned.
*
* A MERGING state indicates that dynamic partitions are partially comprised by blocks in the
* userdata partition.
*
* When the merge status is set to MERGING, the following operations must be prohibited from the
* bootloader:
* - Flashing or erasing "userdata" or "metadata".
*
* The following operations may be prohibited when the status is set to MERGING. If not
* prohibited, it is recommended that the user receive a warning.
* - Changing the active slot (e.g. via "fastboot set_active")
*
* @param status Merge status.
*
* @return success True on success, false otherwise.
*/
setSnapshotMergeStatus(MergeStatus status) generates (bool success);
/**
* Returns whether a snapshot-merge of any dynamic partition is in progress.
*
* This function must return the merge status set by the last setSnapshotMergeStatus call and
* recorded by the bootloader with one exception. If the partitions are being flashed from the
* bootloader such that the pending merge must be canceled (for example, if the super partition
* is being flashed), this function must return CANCELLED.
*
* @return success True if the merge status is read successfully, false otherwise.
* @return status Merge status.
*/
getSnapshotMergeStatus() generates (MergeStatus status);
};
|
