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 #ifndef ANDROID_VINTF_LEVEL_H 18 #define ANDROID_VINTF_LEVEL_H 19 20 #include <stdint.h> 21 22 namespace android { 23 namespace vintf { 24 25 // Manifest and Compatibility Matrix Level, a.k.a FCM Version, is a number assigned to each 26 // manifest / matrix. 27 // - For manifest, the FCM Version that it implements 28 // - For matrix, the single FCM Version that this matrix file details. 29 // This is not a strong-typed enum because Level can be any integer value. Listed are some 30 // special values. 31 enum Level : size_t { 32 // Non-Treble devices. 33 LEGACY = 0, 34 // Actual values starts from 1. Following are some historic values for convenience. 35 O = 1, 36 O_MR1 = 2, 37 // For older manifests and compatibility matrices, "level" is not specified. 38 UNSPECIFIED = SIZE_MAX, 39 }; 40 41 } // namespace vintf 42 } // namespace android 43 44 #endif // ANDROID_VINTF_LEVEL_H 45