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/*
* 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();
}
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