Source code of Windows XP (NT5)
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/*++ BUILD Version: 0001 // Increment this if a change has global effects
Copyright (c) Microsoft Corporation. All rights reserved.
Module Name:
batclass.h
Abstract:
Defines battery class driver interfaces.
Author:
Ken Reneris (kenr) 02-Feb-1997
Revision History:
7-10-98 split this file out of poclass.h (MHills)
--*/
//
// Battery device GUID
//
DEFINE_GUID( GUID_DEVICE_BATTERY, 0x72631e54L, 0x78A4, 0x11d0, 0xbc, 0xf7, 0x00, 0xaa, 0x00, 0xb7, 0xb3, 0x2a );
DEFINE_GUID (BATTERY_STATUS_WMI_GUID,
0xfc4670d1, 0xebbf, 0x416e, 0x87, 0xce, 0x37, 0x4a, 0x4e, 0xbc, 0x11, 0x1a);
DEFINE_GUID (BATTERY_RUNTIME_WMI_GUID,
0x535a3767, 0x1ac2, 0x49bc, 0xa0, 0x77, 0x3f, 0x7a, 0x02, 0xe4, 0x0a, 0xec);
DEFINE_GUID (BATTERY_TEMPERATURE_WMI_GUID,
0x1a52a14d, 0xadce, 0x4a44, 0x9a, 0x3e, 0xc8, 0xd8, 0xf1, 0x5f, 0xf2, 0xc2);
DEFINE_GUID (BATTERY_FULL_CHARGED_CAPACITY_WMI_GUID,
0x40b40565, 0x96f7, 0x4435, 0x86, 0x94, 0x97, 0xe0, 0xe4, 0x39, 0x59, 0x05);
DEFINE_GUID (BATTERY_CYCLE_COUNT_WMI_GUID,
0xef98db24, 0x0014, 0x4c25, 0xa5, 0x0b, 0xc7, 0x24, 0xae, 0x5c, 0xd3, 0x71);
DEFINE_GUID (BATTERY_STATIC_DATA_WMI_GUID,
0x05e1e463, 0xe4e2, 0x4ea9, 0x80, 0xcb, 0x9b, 0xd4, 0xb3, 0xca, 0x06, 0x55);
DEFINE_GUID (BATTERY_STATUS_CHANGE_WMI_GUID,
0xcddfa0c3, 0x7c5b, 0x4e43, 0xa0, 0x34, 0x05, 0x9f, 0xa5, 0xb8, 0x43, 0x64);
DEFINE_GUID (BATTERY_TAG_CHANGE_WMI_GUID,
0x5e1f6e19, 0x8786, 0x4d23, 0x94, 0xfc, 0x9e, 0x74, 0x6b, 0xd5, 0xd8, 0x88);
#ifndef _BATCLASS_
#define _BATCLASS_
//
// Battery driver interface
//
// IOCTL_BATTERY_QUERY_TAG
// IOCTL_BATTERY_QUERY_INFORMATION
// IOCTL_BATTERY_SET_INFORMATION
// IOCTL_BATTERY_QUERY_STATUS
//
//
// IOCTL_BATTERY_QUERY_TAG
//
#define IOCTL_BATTERY_QUERY_TAG \
CTL_CODE(FILE_DEVICE_BATTERY, 0x10, METHOD_BUFFERED, FILE_READ_ACCESS)
#define BATTERY_TAG_INVALID 0
//
// IOCTL_BATTERY_QUERY_INFORMATION
//
#define IOCTL_BATTERY_QUERY_INFORMATION \
CTL_CODE(FILE_DEVICE_BATTERY, 0x11, METHOD_BUFFERED, FILE_READ_ACCESS)
typedef enum {
BatteryInformation,
BatteryGranularityInformation,
BatteryTemperature,
BatteryEstimatedTime,
BatteryDeviceName,
BatteryManufactureDate,
BatteryManufactureName,
BatteryUniqueID,
BatterySerialNumber
} BATTERY_QUERY_INFORMATION_LEVEL;
typedef struct _BATTERY_QUERY_INFORMATION {
ULONG BatteryTag;
BATTERY_QUERY_INFORMATION_LEVEL InformationLevel;
LONG AtRate;
} BATTERY_QUERY_INFORMATION, *PBATTERY_QUERY_INFORMATION;
//
// Format of data returned when
// BATTERY_INFORMATION_LEVEL = BatteryInformation
//
typedef struct _BATTERY_INFORMATION {
ULONG Capabilities;
UCHAR Technology;
UCHAR Reserved[3];
UCHAR Chemistry[4];
ULONG DesignedCapacity;
ULONG FullChargedCapacity;
ULONG DefaultAlert1;
ULONG DefaultAlert2;
ULONG CriticalBias;
ULONG CycleCount;
} BATTERY_INFORMATION, *PBATTERY_INFORMATION;
//
// BATTERY_INFORMATION.Capabilities flags
//
#define BATTERY_SYSTEM_BATTERY 0x80000000
#define BATTERY_CAPACITY_RELATIVE 0x40000000
#define BATTERY_IS_SHORT_TERM 0x20000000
#define BATTERY_SET_CHARGE_SUPPORTED 0x00000001
#define BATTERY_SET_DISCHARGE_SUPPORTED 0x00000002
#define BATTERY_SET_RESUME_SUPPORTED 0x00000004
//
// BATTERY_INFORMATION.XXXCapacity constants
//
#define BATTERY_UNKNOWN_CAPACITY 0xFFFFFFFF
//
// BatteryEstimatedTime constant
//
#define BATTERY_UNKNOWN_TIME 0xFFFFFFFF
//
// Max battery driver BATTERY_QUERY_INFORMATION_LEVEL string storage
// size in bytes.
//
#define MAX_BATTERY_STRING_SIZE 128
//
// Struct for accessing the packed date format in BatteryManufactureDate.
//
typedef struct _BATTERY_MANUFACTURE_DATE
{
UCHAR Day;
UCHAR Month;
USHORT Year;
} BATTERY_MANUFACTURE_DATE, *PBATTERY_MANUFACTURE_DATE;
//
// IOCTL_BATTERY_SET_INFORMATION
//
#define IOCTL_BATTERY_SET_INFORMATION \
CTL_CODE(FILE_DEVICE_BATTERY, 0x12, METHOD_BUFFERED, FILE_WRITE_ACCESS)
typedef enum {
BatteryCriticalBias,
BatteryCharge,
BatteryDischarge
} BATTERY_SET_INFORMATION_LEVEL;
typedef struct _BATTERY_SET_INFORMATION {
ULONG BatteryTag;
BATTERY_SET_INFORMATION_LEVEL InformationLevel;
UCHAR Buffer[1];
} BATTERY_SET_INFORMATION, *PBATTERY_SET_INFORMATION;
//
// IOCTL_BATTERY_QUERY_STATUS
//
#define IOCTL_BATTERY_QUERY_STATUS \
CTL_CODE(FILE_DEVICE_BATTERY, 0x13, METHOD_BUFFERED, FILE_READ_ACCESS)
//
// Structure of input buffer to IOCTL_BATTERY_QUERY_STATUS
//
typedef struct _BATTERY_WAIT_STATUS {
ULONG BatteryTag;
ULONG Timeout;
ULONG PowerState;
ULONG LowCapacity;
ULONG HighCapacity;
} BATTERY_WAIT_STATUS, *PBATTERY_WAIT_STATUS;
//
// Structure of output buffer from IOCTL_BATTERY_QUERY_STATUS
//
typedef struct _BATTERY_STATUS {
ULONG PowerState;
ULONG Capacity;
ULONG Voltage;
LONG Rate;
} BATTERY_STATUS, *PBATTERY_STATUS;
//
// BATTERY_STATUS.PowerState flags
//
#define BATTERY_POWER_ON_LINE 0x00000001
#define BATTERY_DISCHARGING 0x00000002
#define BATTERY_CHARGING 0x00000004
#define BATTERY_CRITICAL 0x00000008
//
// BATTERY_STATUS Constant
// BATTERY_UNKNOWN_CAPACITY defined above for IOCTL_BATTERY_QUERY_INFORMATION
//
#define BATTERY_UNKNOWN_VOLTAGE 0xFFFFFFFF
#define BATTERY_UNKNOWN_RATE 0x80000000
#ifndef _WINDOWS_
//
// Battery Class-Miniport device driver interfaces
//
typedef
NTSTATUS
(*BCLASS_QUERY_TAG)(
IN PVOID Context,
OUT PULONG BatteryTag
);
typedef
NTSTATUS
(*BCLASS_QUERY_INFORMATION)(
IN PVOID Context,
IN ULONG BatteryTag,
IN BATTERY_QUERY_INFORMATION_LEVEL Level,
IN LONG AtRate OPTIONAL,
OUT PVOID Buffer,
IN ULONG BufferLength,
OUT PULONG ReturnedLength
);
typedef
NTSTATUS
(*BCLASS_QUERY_STATUS)(
IN PVOID Context,
IN ULONG BatteryTag,
OUT PBATTERY_STATUS BatteryStatus
);
typedef struct {
ULONG PowerState;
ULONG LowCapacity;
ULONG HighCapacity;
} BATTERY_NOTIFY, *PBATTERY_NOTIFY;
typedef
NTSTATUS
(*BCLASS_SET_STATUS_NOTIFY)(
IN PVOID Context,
IN ULONG BatteryTag,
IN PBATTERY_NOTIFY BatteryNotify
);
typedef
NTSTATUS
(*BCLASS_SET_INFORMATION)(
IN PVOID Context,
IN ULONG BatteryTag,
IN BATTERY_SET_INFORMATION_LEVEL Level,
IN PVOID Buffer OPTIONAL
);
typedef
NTSTATUS
(*BCLASS_DISABLE_STATUS_NOTIFY)(
IN PVOID Context
);
typedef struct {
USHORT MajorVersion;
USHORT MinorVersion;
PVOID Context; // Miniport context
BCLASS_QUERY_TAG QueryTag;
BCLASS_QUERY_INFORMATION QueryInformation;
BCLASS_SET_INFORMATION SetInformation;
BCLASS_QUERY_STATUS QueryStatus;
BCLASS_SET_STATUS_NOTIFY SetStatusNotify;
BCLASS_DISABLE_STATUS_NOTIFY DisableStatusNotify;
PDEVICE_OBJECT Pdo;
PUNICODE_STRING DeviceName;
} BATTERY_MINIPORT_INFO, *PBATTERY_MINIPORT_INFO;
#define BATTERY_CLASS_MAJOR_VERSION 0x0001
#define BATTERY_CLASS_MINOR_VERSION 0x0000
//
// WMI data block structures
//
typedef struct _BATTERY_WMI_STATUS {
ULONG Tag;
ULONG RemainingCapacity;
LONG ChargeRate;
LONG DischargeRate;
ULONG Voltage;
BOOLEAN PowerOnline;
BOOLEAN Charging;
BOOLEAN Discharging;
BOOLEAN Critical;
} BATTERY_WMI_STATUS, *PBATTERY_WMI_STATUS;
typedef struct _BATTERY_WMI_RUNTIME
{
ULONG Tag;
ULONG EstimatedRuntime;
} BATTERY_WMI_RUNTIME, *PBATTERY_WMI_RUNTIME;
typedef struct _BATTERY_WMI_TEMPERATURE
{
ULONG Tag;
ULONG Temperature;
} BATTERY_WMI_TEMPERATURE, *PBATTERY_WMI_TEMPERATURE;
typedef struct _BATTERY_WMI_FULL_CHARGED_CAPACITY
{
ULONG Tag;
ULONG FullChargedCapacity;
} BATTERY_WMI_FULL_CHARGED_CAPACITY, *PBATTERY_WMI_FULL_CHARGED_CAPACITY;
typedef struct _BATTERY_WMI_CYCLE_COUNT
{
ULONG Tag;
ULONG CycleCount;
} BATTERY_WMI_CYCLE_COUNT, *PBATTERY_WMI_CYCLE_COUNT;
typedef struct _BATTERY_WMI_STATIC_DATA
{
ULONG Tag;
WCHAR ManufactureDate[25];
BATTERY_REPORTING_SCALE Granularity [4];
ULONG Capabilities;
UCHAR Technology;
ULONG Chemistry;
ULONG DesignedCapacity;
ULONG DefaultAlert1;
ULONG DefaultAlert2;
ULONG CriticalBias;
WCHAR Strings[1];
// Four variable length string values are stored with the first USHORT
// value containing the length of the string in bytes.
//
// Device Name
// Manufacture Name
// Serial Number
// UniqueID
//
} BATTERY_WMI_STATIC_DATA, *PBATTERY_WMI_STATIC_DATA;
typedef struct _BATTERY_WMI_STATUS_CHANGE
{
ULONG Tag;
BOOLEAN PowerOnline;
BOOLEAN Charging;
BOOLEAN Discharging;
BOOLEAN Critical;
} BATTERY_WMI_STATUS_CHANGE, *PBATTERY_WMI_STATUS_CHANGE;
typedef struct _BATTERY_TAG_CHANGE
{
ULONG Tag;
} BATTERY_TAG_CHANGE, *PBATTERY_TAG_CHANGE;
//
// Battery class driver functions
//
#if !defined(BATTERYCLASS)
#define BATTERYCLASSAPI DECLSPEC_IMPORT
#else
#define BATTERYCLASSAPI
#endif
NTSTATUS
BATTERYCLASSAPI
BatteryClassInitializeDevice (
IN PBATTERY_MINIPORT_INFO MiniportInfo,
IN PVOID *ClassData
);
NTSTATUS
BATTERYCLASSAPI
BatteryClassUnload (
IN PVOID ClassData
);
NTSTATUS
BATTERYCLASSAPI
BatteryClassIoctl (
IN PVOID ClassData,
IN PIRP Irp
);
NTSTATUS
BATTERYCLASSAPI
BatteryClassSystemControl (
IN PVOID ClassData,
IN PVOID WmiLibContext, //PWMILIB_CONTEXT
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp,
OUT PVOID Disposition //PSYSCTL_IRP_DISPOSITION
);
NTSTATUS
BATTERYCLASSAPI
BatteryClassQueryWmiDataBlock(
IN PVOID ClassData,
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp,
IN ULONG GuidIndex,
IN OUT PULONG InstanceLengthArray,
IN ULONG OutBufferSize,
OUT PUCHAR Buffer
);
NTSTATUS
BATTERYCLASSAPI
BatteryClassStatusNotify (
IN PVOID ClassData
);
#endif // _WINDOWS_
#endif // _BATCLASS_