| // Copyright 2020 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_MEMORY_H_ |
| #define RUNTIME_PROBE_FUNCTIONS_MEMORY_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include <base/values.h> |
| |
| #include "runtime_probe/probe_function.h" |
| |
| namespace runtime_probe { |
| |
| // Refer to SMBIOS specification. |
| // https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.3.0.pdf |
| struct DmiMemoryRaw { |
| // Header |
| uint8_t type; |
| uint8_t length; |
| uint16_t handle; |
| |
| // Memory attributes |
| uint8_t pad_1[8]; // skipped values |
| uint16_t size; // bit15: 0=MiB, 1=KiB |
| uint8_t pad_2[2]; // skipped values |
| uint8_t locator; // string |
| uint8_t pad_3[4]; // skipped values |
| uint16_t speed; // in MHz |
| uint8_t manufacturer; // string |
| uint8_t serial_number; // string |
| uint8_t asset_tag; // string |
| uint8_t part_number; // string |
| } __attribute__((packed)); |
| |
| struct DmiMemory { |
| uint16_t size; |
| uint16_t speed; |
| std::string locator; |
| std::string part_number; |
| static std::unique_ptr<DmiMemory> From(const std::vector<uint8_t>& blob); |
| }; |
| |
| class MemoryFunction : public ProbeFunction { |
| public: |
| static constexpr auto function_name = "memory"; |
| std::string GetFunctionName() const override { return function_name; } |
| |
| static std::unique_ptr<ProbeFunction> FromValue( |
| const base::Value& dict_value); |
| |
| DataType Eval() const override; |
| |
| int EvalInHelper(std::string* output) const override; |
| |
| private: |
| static ProbeFunction::Register<MemoryFunction> register_; |
| }; |
| |
| // Register the MemoryFunction. |
| REGISTER_PROBE_FUNCTION(MemoryFunction); |
| |
| } // namespace runtime_probe |
| |
| #endif // RUNTIME_PROBE_FUNCTIONS_MEMORY_H_ |