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/*
* Copyright (C) 2017 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.
*/
package android.hardware.health@2.0;
import @1.0::HealthInfo;
import @1.0::Result;
/**
* Status values for HAL methods.
*/
enum Result : @1.0::Result {
NOT_FOUND,
CALLBACK_DIED,
};
/*
* Identification attributes for a storage device.
*/
struct StorageAttribute {
/**
* Set to true if internal storage
*/
bool isInternal;
/**
* Set to true if this is the boot device.
*/
bool isBootDevice;
/**
* Name of the storage device.
*/
string name;
};
/*
* Information on storage device including life time estimates, end of life
* information and other attributes.
*/
struct StorageInfo {
/**
* Attributes of the storage device whose info is contained by the struct.
*/
StorageAttribute attr;
/**
* pre-eol (end of life) information. Follows JEDEC standard No.84-B50.
*/
uint16_t eol;
/**
* device life time estimation (type A). Follows JEDEC standard No.84-B50.
*/
uint16_t lifetimeA;
/**
* device life time estimation (type B). Follows JEDEC standard No.84-B50.
*/
uint16_t lifetimeB;
/**
* version string
*/
string version;
};
/*
* Disk statistics since boot.
*/
struct DiskStats {
/**
* Number of reads processed.
*/
uint64_t reads;
/**
* number of read I/Os merged with in-queue I/Os.
*/
uint64_t readMerges;
/**
* number of sectors read.
*/
uint64_t readSectors;
/**
* total wait time for read requests.
*/
uint64_t readTicks;
/**
* number of writes processed.
*/
uint64_t writes;
/**
* number of writes merged with in-queue I/Os.
*/
uint64_t writeMerges;
/**
* number of sectors written.
*/
uint64_t writeSectors;
/**
* total wait time for write requests.
*/
uint64_t writeTicks;
/**
* number of I/Os currently in flight.
*/
uint64_t ioInFlight;
/**
* total time this block device has been active.
*/
uint64_t ioTicks;
/**
* total wait time for all requests.
*/
uint64_t ioInQueue;
/**
* Attributes of the memory device.
*/
StorageAttribute attr;
};
/**
* Combined Health Information.
*/
struct HealthInfo {
/**
* V1.0 HealthInfo.
* If a member is unsupported, it is filled with:
* - 0 (for integers);
* - false (for booleans);
* - empty string (for strings);
* - UNKNOWN (for BatteryStatus and BatteryHealth).
*/
@1.0::HealthInfo legacy;
/**
* Average battery current in uA. Will be 0 if unsupported.
*/
int32_t batteryCurrentAverage;
/**
* Disk Statistics. Will be an empty vector if unsupported.
*/
vec<DiskStats> diskStats;
/**
* Information on storage devices. Will be an empty vector if
* unsupported.
*/
vec<StorageInfo> storageInfos;
};
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