1 /* 2 * Copyright (C) 2017 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 package android.os; 18 19 import android.annotation.TestApi; 20 21 import java.util.Map; 22 23 /** 24 * Java API for libvintf. 25 * 26 * @hide 27 */ 28 @TestApi 29 public class VintfObject { 30 31 /** 32 * Slurps all device information (both manifests and both matrices) 33 * and report them. 34 * If any error in getting one of the manifests, it is not included in 35 * the list. 36 * 37 * @hide 38 */ 39 @TestApi 40 public static native String[] report(); 41 42 /** 43 * Verify that the given metadata for an OTA package is compatible with 44 * this device. 45 * 46 * @param packageInfo a list of serialized form of HalManifest's / 47 * CompatibilityMatri'ces (XML). 48 * @return = 0 if success (compatible) 49 * > 0 if incompatible 50 * < 0 if any error (mount partition fails, illformed XML, etc.) 51 * 52 * @hide 53 */ 54 public static native int verify(String[] packageInfo); 55 56 /** 57 * Verify Vintf compatibility on the device without checking AVB 58 * (Android Verified Boot). It is useful to verify a running system 59 * image where AVB check is irrelevant. 60 * 61 * @return = 0 if success (compatible) 62 * > 0 if incompatible 63 * < 0 if any error (mount partition fails, illformed XML, etc.) 64 * 65 * @hide 66 */ 67 public static native int verifyWithoutAvb(); 68 69 /** 70 * @return a list of HAL names and versions that is supported by this 71 * device as stated in device and framework manifests. For example, 72 * ["android.hidl.manager (at) 1.0", "android.hardware.camera.device (at) 1.0", 73 * "android.hardware.camera.device (at) 3.2"]. There are no duplicates. 74 * 75 * @hide 76 */ 77 @TestApi 78 public static native String[] getHalNamesAndVersions(); 79 80 /** 81 * @return the BOARD_SEPOLICY_VERS build flag available in device manifest. 82 * 83 * @hide 84 */ 85 @TestApi 86 public static native String getSepolicyVersion(); 87 88 /** 89 * @return a list of VNDK snapshots supported by the framework, as 90 * specified in framework manifest. For example, 91 * [("27", ["libjpeg.so", "libbase.so"]), 92 * ("28", ["libjpeg.so", "libbase.so"])] 93 * 94 * @hide 95 */ 96 @TestApi 97 public static native Map<String, String[]> getVndkSnapshots(); 98 99 /** 100 * @return Target Framework Compatibility Matrix (FCM) version, a number 101 * specified in the device manifest indicating the FCM version that the 102 * device manifest implements. Null if device manifest doesn't specify this 103 * number (for legacy devices). 104 * 105 * @hide 106 */ 107 @TestApi 108 public static native Long getTargetFrameworkCompatibilityMatrixVersion(); 109 110 private VintfObject() {} 111 } 112
