| // Copyright 2019 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef RUNTIME_PROBE_FUNCTIONS_MMC_STORAGE_H_ |
| #define RUNTIME_PROBE_FUNCTIONS_MMC_STORAGE_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include <base/files/file_path.h> |
| #include <base/values.h> |
| |
| #include "runtime_probe/function_templates/storage.h" |
| |
| namespace runtime_probe { |
| |
| class MmcStorageFunction : public StorageFunction { |
| public: |
| static constexpr auto function_name = "mmc_storage"; |
| std::string GetFunctionName() const override { return function_name; } |
| |
| static std::unique_ptr<ProbeFunction> FromValue( |
| const base::Value& dict_value) { |
| if (dict_value.DictSize() != 0) { |
| LOG(ERROR) << function_name << " does not take any argument"; |
| return nullptr; |
| } |
| return std::make_unique<MmcStorageFunction>(); |
| } |
| |
| protected: |
| base::Optional<base::Value> EvalByDV( |
| const base::Value& storage_dv) const override; |
| |
| // Eval the eMMC storage indicated by |node_path| inside the |
| // runtime_probe_helper. |
| base::Optional<base::Value> EvalInHelperByPath( |
| const base::FilePath& node_path) const override; |
| |
| private: |
| bool CheckStorageTypeMatch(const base::FilePath& node_path) const; |
| // Get the result of mmc extcsd from debugd and put it into |output|. |
| bool GetOutputOfMmcExtcsd(std::string* output) const; |
| std::string GetStorageFwVersion(const base::FilePath& node_path) const; |
| |
| static ProbeFunction::Register<MmcStorageFunction> register_; |
| }; |
| |
| // Register the MmcStorageFunction |
| REGISTER_PROBE_FUNCTION(MmcStorageFunction); |
| |
| } // namespace runtime_probe |
| |
| #endif // RUNTIME_PROBE_FUNCTIONS_MMC_STORAGE_H_ |