| /* |
| * Copyright (C) 2018 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. |
| */ |
| #define LOG_TAG "android.hardware.health@2.0-service.redfin" |
| #include <android-base/logging.h> |
| |
| #include <android-base/file.h> |
| #include <android-base/parseint.h> |
| #include <android-base/strings.h> |
| #include <health2/Health.h> |
| #include <health2/service.h> |
| #include <healthd/healthd.h> |
| #include <hidl/HidlTransportSupport.h> |
| #include <pixelhealth/BatteryMetricsLogger.h> |
| #include <pixelhealth/DeviceHealth.h> |
| #include <pixelhealth/LowBatteryShutdownMetrics.h> |
| |
| #include <fstream> |
| #include <iomanip> |
| #include <string> |
| #include <vector> |
| |
| namespace { |
| |
| using android::hardware::health::V2_0::DiskStats; |
| using android::hardware::health::V2_0::StorageAttribute; |
| using android::hardware::health::V2_0::StorageInfo; |
| using hardware::google::pixel::health::BatteryMetricsLogger; |
| using hardware::google::pixel::health::DeviceHealth; |
| using hardware::google::pixel::health::LowBatteryShutdownMetrics; |
| |
| #define FG_DIR "/sys/class/power_supply" |
| constexpr char kBatteryResistance[] {FG_DIR "/bms/resistance"}; |
| constexpr char kBatteryOCV[] {FG_DIR "/bms/voltage_ocv"}; |
| constexpr char kVoltageAvg[] {FG_DIR "/battery/voltage_now"}; |
| |
| static BatteryMetricsLogger battMetricsLogger(kBatteryResistance, kBatteryOCV); |
| static LowBatteryShutdownMetrics shutdownMetrics(kVoltageAvg); |
| static DeviceHealth deviceHealth; |
| |
| #define UFS_DIR "/sys/devices/platform/soc/1d84000.ufshc" |
| constexpr char kUfsHealthEol[]{UFS_DIR "/health/eol"}; |
| constexpr char kUfsHealthLifetimeA[]{UFS_DIR "/health/lifetimeA"}; |
| constexpr char kUfsHealthLifetimeB[]{UFS_DIR "/health/lifetimeB"}; |
| constexpr char kUfsVersion[]{UFS_DIR "/version"}; |
| constexpr char kDiskStatsFile[]{"/sys/block/sda/stat"}; |
| constexpr char kUFSName[]{"UFS0"}; |
| |
| constexpr char kTCPMPSYName[]{"tcpm-source-psy-usbpd0"}; |
| |
| std::ifstream assert_open(const std::string &path) { |
| std::ifstream stream(path); |
| if (!stream.is_open()) { |
| LOG(FATAL) << "Cannot read " << path; |
| } |
| return stream; |
| } |
| |
| template <typename T> |
| void read_value_from_file(const std::string &path, T *field) { |
| auto stream = assert_open(path); |
| stream.unsetf(std::ios_base::basefield); |
| stream >> *field; |
| } |
| |
| void read_ufs_version(StorageInfo *info) { |
| uint64_t value; |
| read_value_from_file(kUfsVersion, &value); |
| std::stringstream ss; |
| ss << "ufs " << std::hex << value; |
| info->version = ss.str(); |
| } |
| |
| void fill_ufs_storage_attribute(StorageAttribute *attr) { |
| attr->isInternal = true; |
| attr->isBootDevice = true; |
| attr->name = kUFSName; |
| } |
| |
| } // anonymous namespace |
| |
| void healthd_board_init(struct healthd_config *hc) { |
| hc->ignorePowerSupplyNames.push_back(android::String8(kTCPMPSYName)); |
| } |
| |
| int healthd_board_battery_update(struct android::BatteryProperties *props) { |
| deviceHealth.update(props); |
| battMetricsLogger.logBatteryProperties(props); |
| shutdownMetrics.logShutdownVoltage(props); |
| return 0; |
| } |
| |
| void get_storage_info(std::vector<StorageInfo> &vec_storage_info) { |
| vec_storage_info.resize(1); |
| StorageInfo *storage_info = &vec_storage_info[0]; |
| fill_ufs_storage_attribute(&storage_info->attr); |
| |
| read_ufs_version(storage_info); |
| read_value_from_file(kUfsHealthEol, &storage_info->eol); |
| read_value_from_file(kUfsHealthLifetimeA, &storage_info->lifetimeA); |
| read_value_from_file(kUfsHealthLifetimeB, &storage_info->lifetimeB); |
| return; |
| } |
| |
| void get_disk_stats(std::vector<DiskStats> &vec_stats) { |
| vec_stats.resize(1); |
| DiskStats *stats = &vec_stats[0]; |
| fill_ufs_storage_attribute(&stats->attr); |
| |
| auto stream = assert_open(kDiskStatsFile); |
| // Regular diskstats entries |
| stream >> stats->reads >> stats->readMerges >> stats->readSectors >> |
| stats->readTicks >> stats->writes >> stats->writeMerges >> |
| stats->writeSectors >> stats->writeTicks >> stats->ioInFlight >> |
| stats->ioTicks >> stats->ioInQueue; |
| return; |
| } |
| |
| int main(void) { return health_service_main(); } |