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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
/*
* Copyright (C) 2017 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.
*/
#ifndef ANDROID_VINTF_HAL_MANIFEST_H
#define ANDROID_VINTF_HAL_MANIFEST_H
#include <map>
#include <string>
#include <utils/Errors.h>
#include <vector>
#include "HalGroup.h"
#include "Level.h"
#include "ManifestHal.h"
#include "MapValueIterator.h"
#include "SchemaType.h"
#include "Version.h"
#include "Vndk.h"
#include "XmlFileGroup.h"
namespace android {
namespace vintf {
struct MatrixHal;
struct CompatibilityMatrix;
// A HalManifest is reported by the hardware and query-able from
// framework code. This is the API for the framework.
struct HalManifest : public HalGroup<ManifestHal>, public XmlFileGroup<ManifestXmlFile> {
public:
// Construct a device HAL manifest.
HalManifest() : mType(SchemaType::DEVICE) {}
// Given a component name (e.g. "android.hardware.camera"),
// return getHal(name)->transport if the component exist and v exactly matches
// one of the versions in that component, else EMPTY
Transport getTransport(const std::string &name, const Version &v,
const std::string &interfaceName, const std::string &instanceName) const;
// Given a component name (e.g. "android.hardware.camera"),
// return a list of version numbers that are supported by the hardware.
// If the component is not found, empty list is returned.
// If multiple matches, return a concatenation of version entries
// (dupes removed)
std::set<Version> getSupportedVersions(const std::string &name) const;
// Convenience method for checking if instanceName is in getInstances(halName, interfaceName)
bool hasInstance(const std::string& halName, const Version& version,
const std::string& interfaceName, const std::string& instanceName) const;
// Return a list of component names that does NOT conform to
// the given compatibility matrix. It contains components that are optional
// for the framework if includeOptional = true.
// Note: only HAL entries are checked. To check other entries as well, use
// checkCompatibility.
std::vector<std::string> checkIncompatibility(const CompatibilityMatrix &mat,
bool includeOptional = true) const;
// Check compatibility against a compatibility matrix. Considered compatible if
// - framework manifest vs. device compat-mat
// - checkIncompatibility for HALs returns only optional HALs
// - one of manifest.vndk match compat-mat.vndk
// - device manifest vs. framework compat-mat
// - checkIncompatibility for HALs returns only optional HALs
// - manifest.sepolicy.version match one of compat-mat.sepolicy.sepolicy-version
bool checkCompatibility(const CompatibilityMatrix &mat, std::string *error = nullptr) const;
// Generate a compatibility matrix such that checkCompatibility will return true.
CompatibilityMatrix generateCompatibleMatrix() const;
// Returns all component names.
std::set<std::string> getHalNames() const;
// Returns all component names and versions, e.g.
// "android.hardware.camera.device@1.0", "android.hardware.camera.device@3.2",
// "android.hardware.nfc@1.0"]
std::set<std::string> getHalNamesAndVersions() const;
// Type of the manifest. FRAMEWORK or DEVICE.
SchemaType type() const;
// FCM version that it implements.
Level level() const;
// device.mSepolicyVersion. Assume type == device.
// Abort if type != device.
const Version &sepolicyVersion() const;
// framework.mVndks. Assume type == framework.
// Abort if type != framework.
const std::vector<Vndk> &vndks() const;
// If the corresponding <xmlfile> with the given version exists,
// - Return the overridden <path> if it is present,
// - otherwise the default value: /{system,vendor}/etc/<name>_V<major>_<minor>.xml
// Otherwise if the <xmlfile> entry does not exist, "" is returned.
std::string getXmlFilePath(const std::string& xmlFileName, const Version& version) const;
// Get metaversion of this manifest.
Version getMetaVersion() const;
protected:
// Check before add()
bool shouldAdd(const ManifestHal& toAdd) const override;
bool shouldAddXmlFile(const ManifestXmlFile& toAdd) const override;
private:
friend struct HalManifestConverter;
friend class VintfObject;
friend class AssembleVintf;
friend struct LibVintfTest;
friend std::string dump(const HalManifest &vm);
friend bool operator==(const HalManifest &lft, const HalManifest &rgt);
status_t fetchAllInformation(const std::string& path, std::string* error = nullptr);
// Check if all instances in matrixHal is supported in this manifest.
bool isCompatible(const MatrixHal& matrixHal) const;
std::vector<std::string> checkIncompatibleXmlFiles(const CompatibilityMatrix& mat,
bool includeOptional = true) const;
SchemaType mType;
Level mLevel = Level::UNSPECIFIED;
// version attribute. Default is 1.0 for manifests created programatically.
Version mMetaVersion{1, 0};
// entries for device hal manifest only
struct {
Version mSepolicyVersion;
} device;
// entries for framework hal manifest only
struct {
std::vector<Vndk> mVndks;
} framework;
};
} // namespace vintf
} // namespace android
#endif // ANDROID_VINTF_HAL_MANIFEST_H
|
