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 <stddef.h>
21 #include <stdint.h>
22 #include <array>
23 #include <string>
24
25 namespace android {
26 namespace vintf {
27
28 // Manifest and Compatibility Matrix Level, a.k.a FCM Version, is a number assigned to each
29 // manifest / matrix.
30 // - For manifest, the FCM Version that it implements
31 // - For matrix, the single FCM Version that this matrix file details.
32 enum class Level : size_t {
33 // LINT.IfChange
34 // Non-Treble devices.
35 LEGACY = 0,
36 // Actual values starts from 1.
37 O = 1,
38 O_MR1 = 2,
39 P = 3,
40 Q = 4,
41 R = 5,
42 S = 6,
43 T = 7,
44 U = 8,
45 V = 202404,
46 W = 202504, // TODO(346861728) placeholder letter/number.
47 // To add new values:
48 // (1) add above this line.
49 // (2) edit array below
50 // (3) edit:
51 // - RuntimeInfo::gkiAndroidReleaseToLevel
52 // - analyze_matrix.cpp, GetDescription()
53 // LINT.ThenChange(/analyze_matrix/analyze_matrix.cpp)
54
55 // For older manifests and compatibility matrices, "level" is not specified.
56 UNSPECIFIED = SIZE_MAX,
57 };
58
IsValid(Level level)59 inline bool IsValid(Level level) {
60 constexpr std::array kValidLevels = {
61 // clang-format off
62 Level::LEGACY,
63 Level::O,
64 Level::O_MR1,
65 Level::P,
66 Level::Q,
67 Level::R,
68 Level::S,
69 Level::T,
70 Level::U,
71 Level::V,
72 Level::W,
73 Level::UNSPECIFIED,
74 // clang-format on
75 };
76
77 return std::find(kValidLevels.begin(), kValidLevels.end(), level) != kValidLevels.end();
78 }
79
80 std::string GetDescription(Level level);
81
82 } // namespace vintf
83 } // namespace android
84
85 #endif // ANDROID_VINTF_LEVEL_H
86