| /* |
| * 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.crosshatch" |
| #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 <fstream> |
| #include <iomanip> |
| #include <string> |
| #include <vector> |
| |
| #include "BatteryMetricsLogger.h" |
| #include "BatteryRechargingControl.h" |
| #include "CycleCountBackupRestore.h" |
| #include "DeviceHealth.h" |
| #include "LowBatteryShutdownMetrics.h" |
| |
| namespace { |
| |
| using android::hardware::health::V2_0::DiskStats; |
| using android::hardware::health::V2_0::StorageAttribute; |
| using android::hardware::health::V2_0::StorageInfo; |
| using ::device::google::crosshatch::health::BatteryMetricsLogger; |
| using ::device::google::crosshatch::health::BatteryRechargingControl; |
| using ::device::google::crosshatch::health::CycleCountBackupRestore; |
| using ::device::google::crosshatch::health::DeviceHealth; |
| using ::device::google::crosshatch::health::LowBatteryShutdownMetrics; |
| |
| static BatteryRechargingControl battRechargingControl; |
| static BatteryMetricsLogger battMetricsLogger; |
| static LowBatteryShutdownMetrics shutdownMetrics; |
| static CycleCountBackupRestore ccBackupRestoreBMS( |
| 8, "/sys/class/power_supply/bms/device/cycle_counts_bins", |
| "/persist/battery/qcom_cycle_counts_bins"); |
| static CycleCountBackupRestore ccBackupRestoreMAX( |
| 10, "/sys/class/power_supply/maxfg/cycle_counts_bins", |
| "/persist/battery/max_cycle_counts_bins", "/sys/class/power_supply/maxfg/serial_number"); |
| static DeviceHealth deviceHealth; |
| |
| #define UFS_DIR "/sys/devices/platform/soc/1d84000.ufshc" |
| const std::string kUfsHealthEol{UFS_DIR "/health/eol"}; |
| const std::string kUfsHealthLifetimeA{UFS_DIR "/health/lifetimeA"}; |
| const std::string kUfsHealthLifetimeB{UFS_DIR "/health/lifetimeB"}; |
| const std::string kUfsVersion{UFS_DIR "/version"}; |
| const std::string kDiskStatsFile{"/sys/block/sda/stat"}; |
| const std::string kUFSName{"UFS0"}; |
| |
| 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 *) { |
| ccBackupRestoreBMS.Restore(); |
| ccBackupRestoreMAX.Restore(); |
| } |
| |
| int healthd_board_battery_update(struct android::BatteryProperties *props) { |
| battRechargingControl.updateBatteryProperties(props); |
| deviceHealth.update(props); |
| battMetricsLogger.logBatteryProperties(props); |
| shutdownMetrics.logShutdownVoltage(props); |
| ccBackupRestoreBMS.Backup(props->batteryLevel); |
| ccBackupRestoreMAX.Backup(props->batteryLevel); |
| if (!android::base::WriteStringToFile(std::to_string(props->batteryLevel), |
| "/sys/class/power_supply/wireless/capacity")) |
| LOG(INFO) << "Unable to write battery level to wireless capacity"; |
| 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(); |
| } |