/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <map>
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#include <string>
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#include <vector>
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#include "MatrixKernel.h"
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#include "Version.h"
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namespace android {
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namespace vintf {
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namespace details {
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class MockRuntimeInfo;
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} // namespace details
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// KernelInfo includes kernel-specific information on a device.
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class KernelInfo {
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public:
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KernelInfo() = default;
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const KernelVersion& version() const;
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const std::map<std::string, std::string>& configs() const;
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// mVersion = x'.y'.z', minLts = x.y.z,
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// match if x == x' , y == y' , and z <= z'.
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bool matchKernelVersion(const KernelVersion& minLts) const;
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// return true if all kernel configs in matrixConfigs matches.
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bool matchKernelConfigs(const std::vector<KernelConfig>& matrixConfigs,
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std::string* error = nullptr) const;
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// return true if this matches kernel requirement specified.
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bool matchKernelRequirements(const std::vector<MatrixKernel>& kernels,
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std::string* error = nullptr) const;
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bool operator==(const KernelInfo& other) const;
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private:
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friend class AssembleVintfImpl;
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friend class details::MockRuntimeInfo;
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friend struct KernelInfoConverter;
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friend struct LibVintfTest;
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friend struct RuntimeInfoFetcher;
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// x.y.z
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KernelVersion mVersion;
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// /proc/config.gz
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// Key: CONFIG_xxx; Value: the value after = sign.
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std::map<std::string, std::string> mConfigs;
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};
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} // namespace vintf
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} // namespace android
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