You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
718 lines
16 KiB
718 lines
16 KiB
/*++
|
|
|
|
Copyright (c) 1990, 1991, 1992, 1993, 1994 - 1998 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
kbdclass.h
|
|
|
|
Abstract:
|
|
|
|
These are the structures and defines that are used in the
|
|
keyboard class driver.
|
|
|
|
Revision History:
|
|
|
|
--*/
|
|
|
|
#ifndef _KBDCLASS_
|
|
#define _KBDCLASS_
|
|
|
|
#include <ntddkbd.h>
|
|
|
|
#include "wmilib.h"
|
|
|
|
#define KEYBOARD_POOL_TAG 'CdbK'
|
|
#undef ExAllocatePool
|
|
#define ExAllocatePool(Type, Bytes) ExAllocatePoolWithTag(Type, Bytes, KEYBOARD_POOL_TAG)
|
|
|
|
//
|
|
// Define the default number of elements in the class input data queue.
|
|
//
|
|
|
|
#define DATA_QUEUE_SIZE 100
|
|
#define MAXIMUM_PORTS_SERVICED 10
|
|
#define NAME_MAX 256
|
|
#define DUMP_COUNT 4
|
|
#define DEFAULT_DEBUG_LEVEL 0
|
|
|
|
#define MAX(a,b) (((a) < (b)) ? (b) : (a))
|
|
|
|
#if DBG
|
|
#define KbdPrint(x) KbdDebugPrint x
|
|
#else
|
|
#define KbdPrint(x)
|
|
#endif
|
|
|
|
#define KEYBOARD_POWER_LIGHT_TIME L"PowerLightTime"
|
|
#define KEYBOARD_WAIT_WAKE_ENABLE L"WaitWakeEnabled"
|
|
#define KEYBOARD_ALLOW_DISABLE L"AllowDisable"
|
|
|
|
#define IS_TRUSTED_FILE_FOR_READ(x) (&DriverEntry == (x)->FsContext2)
|
|
#define SET_TRUSTED_FILE_FOR_READ(x) ((x)->FsContext2 = &DriverEntry)
|
|
#define CLEAR_TRUSTED_FILE_FOR_READ(x) ((x)->FsContext2 = NULL)
|
|
|
|
#define ALLOW_OVERFLOW TRUE
|
|
|
|
//
|
|
// Port description
|
|
//
|
|
// Used only with the
|
|
// allforoneandoneforall turned off (AKA ConnectOneClassToOnePort
|
|
// turned on). This is the file sent to the ports.
|
|
//
|
|
typedef struct _PORT {
|
|
//
|
|
// The file Pointer to the port;
|
|
//
|
|
PFILE_OBJECT File;
|
|
|
|
//
|
|
// The port itself
|
|
//
|
|
struct _DEVICE_EXTENSION * Port;
|
|
|
|
//
|
|
// Port flags
|
|
//
|
|
BOOLEAN Enabled;
|
|
BOOLEAN Reserved [2];
|
|
BOOLEAN Free;
|
|
} PORT, *PPORT;
|
|
|
|
#define PORT_WORKING(port) ((port)->Enabled && !(port)->Free)
|
|
|
|
//
|
|
// Class device extension.
|
|
//
|
|
typedef struct _DEVICE_EXTENSION {
|
|
|
|
//
|
|
// Back pointer to the Device Object created for this port.
|
|
//
|
|
PDEVICE_OBJECT Self;
|
|
|
|
//
|
|
// Pointer to the active Class DeviceObject;
|
|
// If the AFOAOFA (all for one and one for all) switch is on then this
|
|
// points to the device object named as the first keyboard.
|
|
//
|
|
PDEVICE_OBJECT TrueClassDevice;
|
|
|
|
//
|
|
// The Target port device Object to which all IRPs are sent.
|
|
//
|
|
PDEVICE_OBJECT TopPort;
|
|
|
|
//
|
|
// The PDO if applicable.
|
|
//
|
|
PDEVICE_OBJECT PDO;
|
|
|
|
//
|
|
// A remove lock to keep track of outstanding I/Os to prevent the device
|
|
// object from leaving before such time as all I/O has been completed.
|
|
//
|
|
IO_REMOVE_LOCK RemoveLock;
|
|
|
|
//
|
|
// If this port a Plug and Play port
|
|
//
|
|
BOOLEAN PnP;
|
|
BOOLEAN Started;
|
|
BOOLEAN AllowDisable;
|
|
|
|
KSPIN_LOCK WaitWakeSpinLock;
|
|
|
|
//
|
|
// Is the Trusted Subsystem Connected
|
|
//
|
|
ULONG TrustedSubsystemCount;
|
|
|
|
//
|
|
// Number of input data items currently in the InputData queue.
|
|
//
|
|
ULONG InputCount;
|
|
|
|
//
|
|
// A Unicode string pointing to the symbolic link for the Device Interface
|
|
// of this device object.
|
|
//
|
|
UNICODE_STRING SymbolicLinkName;
|
|
|
|
//
|
|
// Start of the class input data queue (really a circular buffer).
|
|
//
|
|
PKEYBOARD_INPUT_DATA InputData;
|
|
|
|
//
|
|
// Insertion pointer for InputData.
|
|
//
|
|
PKEYBOARD_INPUT_DATA DataIn;
|
|
|
|
//
|
|
// Removal pointer for InputData.
|
|
//
|
|
PKEYBOARD_INPUT_DATA DataOut;
|
|
|
|
//
|
|
// Keyboard attributes.
|
|
//
|
|
KEYBOARD_ATTRIBUTES KeyboardAttributes;
|
|
|
|
//
|
|
// A saved state of indicator lights
|
|
//
|
|
KEYBOARD_INDICATOR_PARAMETERS IndicatorParameters;
|
|
|
|
//
|
|
// Spinlock used to synchronize access to the input data queue and its
|
|
// insertion/removal pointers.
|
|
//
|
|
KSPIN_LOCK SpinLock;
|
|
|
|
//
|
|
// Queue of pended read requests sent to this port. Access to this queue is
|
|
// guarded by SpinLock
|
|
//
|
|
LIST_ENTRY ReadQueue;
|
|
|
|
//
|
|
// Request sequence number (used for error logging).
|
|
//
|
|
ULONG SequenceNumber;
|
|
|
|
//
|
|
// The "D" and "S" states of the current device
|
|
//
|
|
DEVICE_POWER_STATE DeviceState;
|
|
SYSTEM_POWER_STATE SystemState;
|
|
|
|
ULONG UnitId;
|
|
|
|
//
|
|
// WMI Information
|
|
//
|
|
WMILIB_CONTEXT WmiLibInfo;
|
|
|
|
//
|
|
// Mapping of system to device states when a wait wake irp is active
|
|
//
|
|
DEVICE_POWER_STATE SystemToDeviceState[PowerSystemHibernate];
|
|
|
|
//
|
|
// Minimum amount of power needed to wake the device
|
|
//
|
|
DEVICE_POWER_STATE MinDeviceWakeState;
|
|
|
|
//
|
|
// Lowest system state that the machine can be in and have the device wake it up
|
|
//
|
|
SYSTEM_POWER_STATE MinSystemWakeState;
|
|
|
|
//
|
|
// Actual wait wake irp
|
|
//
|
|
PIRP WaitWakeIrp;
|
|
|
|
//
|
|
// Duplicate wait wake irp getting completed because another was queued.
|
|
//
|
|
PIRP ExtraWaitWakeIrp;
|
|
|
|
//
|
|
// Target Device Notification Handle
|
|
//
|
|
PVOID TargetNotifyHandle;
|
|
|
|
//
|
|
// Only used for a legacy port device
|
|
//
|
|
LIST_ENTRY Link;
|
|
|
|
//
|
|
// Used only for a legacy port device when grand master mode is off
|
|
//
|
|
PFILE_OBJECT File;
|
|
|
|
//
|
|
// Used for a legacy port device
|
|
//
|
|
BOOLEAN Enabled;
|
|
|
|
//
|
|
// Indicates whether it is okay to log overflow errors.
|
|
//
|
|
BOOLEAN OkayToLogOverflow;
|
|
|
|
//
|
|
// Indicates whether it is okay to send wait wake irps down the stack
|
|
// (does NOT reflect if the bus can implement or not)
|
|
//
|
|
BOOLEAN WaitWakeEnabled;
|
|
|
|
//
|
|
// Indicates whether we have received a surprise removed irp
|
|
//
|
|
BOOLEAN SurpriseRemoved;
|
|
|
|
} DEVICE_EXTENSION, *PDEVICE_EXTENSION;
|
|
|
|
//
|
|
// On some busses, we can power down the bus, but not the system, in this case
|
|
// we still need to allow the device to wake said bus, therefore
|
|
// waitwake-supported should not rely on systemstate.
|
|
//
|
|
// #define WAITWAKE_SUPPORTED(port) ((port)->MinDeviceWakeState > PowerDeviceUnspecified) && \
|
|
// (port)->MinSystemWakeState > PowerSystemWorking)
|
|
#define WAITWAKE_SUPPORTED(port) ((port)->MinDeviceWakeState > PowerDeviceD0 && \
|
|
(port)->MinSystemWakeState > PowerSystemWorking)
|
|
|
|
// #define WAITWAKE_ON(port) ((port)->WaitWakeIrp != 0)
|
|
#define WAITWAKE_ON(port) \
|
|
(InterlockedCompareExchangePointer(&(port)->WaitWakeIrp, NULL, NULL) != NULL)
|
|
|
|
#define SHOULD_SEND_WAITWAKE(port) (WAITWAKE_SUPPORTED(port) && \
|
|
!WAITWAKE_ON(port) && \
|
|
KeyboardClassCheckWaitWakeEnabled(port))
|
|
|
|
//
|
|
// Global shared data
|
|
//
|
|
|
|
typedef struct _GLOBALS {
|
|
//
|
|
// Declare the global debug flag for this driver.
|
|
//
|
|
ULONG Debug;
|
|
|
|
//
|
|
// If ConnectOneClassToOnePort is off aka we want "All for one and one for
|
|
// all behavior" then we need to create the one Master DO to which all
|
|
// the goods go.
|
|
//
|
|
PDEVICE_EXTENSION GrandMaster;
|
|
|
|
//
|
|
// List of ClassDevices that associated with the same name
|
|
// aka the all for one and one for all flag is set
|
|
//
|
|
PPORT AssocClassList;
|
|
ULONG NumAssocClass;
|
|
LONG Opens;
|
|
ULONG NumberLegacyPorts;
|
|
FAST_MUTEX Mutex;
|
|
|
|
//
|
|
// Specifies the type of class-port connection to make. A '1'
|
|
// indicates a 1:1 relationship between class device objects and
|
|
// port device objects. A '0' indicates a 1:many relationship.
|
|
//
|
|
ULONG ConnectOneClassToOnePort;
|
|
|
|
//
|
|
// When kbdclass receives an output command (EG set LEDs) this flag
|
|
// instructs it to transmit that command to all attached ports,
|
|
// regardless of the unit ID which was specified.
|
|
//
|
|
ULONG SendOutputToAllPorts;
|
|
|
|
//
|
|
// Number of port drivers serviced by this class driver.
|
|
//
|
|
ULONG PortsServiced;
|
|
|
|
//
|
|
//
|
|
// IntialDevice Extension
|
|
//
|
|
DEVICE_EXTENSION InitExtension;
|
|
|
|
//
|
|
// A list of the registry path to the service parameters.
|
|
//
|
|
UNICODE_STRING RegistryPath;
|
|
|
|
//
|
|
// The base name for all class objects created as mice.
|
|
//
|
|
UNICODE_STRING BaseClassName;
|
|
WCHAR BaseClassBuffer[NAME_MAX];
|
|
|
|
//
|
|
// Linked list of all the legacy device objects that were created in
|
|
// DriverEntry or FindMorePorts. We maintain this list so we can delete
|
|
// them when we unload.
|
|
//
|
|
LIST_ENTRY LegacyDeviceList;
|
|
} GLOBALS, *PGLOBALS;
|
|
|
|
typedef struct _KBD_CALL_ALL_PORTS {
|
|
//
|
|
// Number of ports to call
|
|
//
|
|
ULONG Len;
|
|
|
|
//
|
|
// Current Called port;
|
|
//
|
|
ULONG Current;
|
|
|
|
//
|
|
// Array of Ports to call
|
|
//
|
|
PORT Port[];
|
|
|
|
} KBD_CALL_ALL_PORTS, *PKBD_CALL_ALL_PORTS;
|
|
|
|
//
|
|
// Keyboard configuration information.
|
|
//
|
|
|
|
typedef struct _KEYBOARD_CONFIGURATION_INFORMATION {
|
|
|
|
//
|
|
// Maximum size of class input data queue, in bytes.
|
|
//
|
|
|
|
ULONG DataQueueSize;
|
|
|
|
} KEYBOARD_CONFIGURATION_INFORMATION, *PKEYBOARD_CONFIGURATION_INFORMATION;
|
|
|
|
typedef struct _KEYBOARD_WORK_ITEM_DATA {
|
|
PIRP Irp;
|
|
PDEVICE_EXTENSION Data;
|
|
PIO_WORKITEM Item;
|
|
BOOLEAN WaitWakeState;
|
|
} KEYBOARD_WORK_ITEM_DATA, *PKEYBOARD_WORK_ITEM_DATA;
|
|
|
|
#define KeyboardClassDeleteLegacyDevice(de) \
|
|
{ \
|
|
if (de->InputData) { \
|
|
ExFreePool (de->InputData); \
|
|
de->InputData = de->DataIn = de->DataOut = NULL; \
|
|
} \
|
|
IoDeleteDevice (de->Self); \
|
|
de = NULL; \
|
|
}
|
|
|
|
//
|
|
// Function Declarations
|
|
//
|
|
|
|
NTSTATUS
|
|
KeyboardAddDeviceEx(
|
|
IN PDEVICE_EXTENSION NewDeviceObject,
|
|
IN PWCHAR FullClassName,
|
|
IN PFILE_OBJECT File
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardAddDevice(
|
|
IN PDRIVER_OBJECT DriverObject,
|
|
IN PDEVICE_OBJECT PhysicalDeviceObject
|
|
);
|
|
|
|
void
|
|
KeyboardClassGetWaitWakeEnableState(
|
|
IN PDEVICE_EXTENSION Data
|
|
);
|
|
|
|
NTSTATUS
|
|
DriverEntry(
|
|
IN PDRIVER_OBJECT DriverObject,
|
|
IN PUNICODE_STRING RegistryPath
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardClassPassThrough(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp
|
|
);
|
|
|
|
VOID
|
|
KeyboardClassCancel(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardClassCleanup(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardClassDeviceControl(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardClassFlush(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardClassCreate(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp
|
|
);
|
|
|
|
|
|
NTSTATUS
|
|
KeyboardClassClose(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardClassRead(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardClassReadCopyData(
|
|
IN PDEVICE_EXTENSION DeviceExtension,
|
|
IN PIRP Irp
|
|
);
|
|
|
|
PIRP
|
|
KeyboardClassDequeueRead(
|
|
IN PDEVICE_EXTENSION DeviceExtension
|
|
);
|
|
|
|
PIRP
|
|
KeyboardClassDequeueReadByFileObject(
|
|
IN PDEVICE_EXTENSION DeviceExtension,
|
|
IN PFILE_OBJECT FileObject
|
|
);
|
|
|
|
BOOLEAN
|
|
KeyboardClassCheckWaitWakeEnabled(
|
|
IN PDEVICE_EXTENSION Data
|
|
);
|
|
|
|
BOOLEAN
|
|
KeyboardClassCreateWaitWakeIrp (
|
|
IN PDEVICE_EXTENSION Data
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardClassPower(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardSendIrpSynchronously (
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp,
|
|
IN BOOLEAN CopyToNext
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardPnP (
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp
|
|
);
|
|
|
|
VOID
|
|
KeyboardClassServiceCallback(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PKEYBOARD_INPUT_DATA InputDataStart,
|
|
IN PKEYBOARD_INPUT_DATA InputDataEnd,
|
|
IN OUT PULONG InputDataConsumed
|
|
);
|
|
|
|
VOID
|
|
KeyboardClassStartIo(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp
|
|
);
|
|
|
|
VOID
|
|
KeyboardClassUnload(
|
|
IN PDRIVER_OBJECT DriverObject
|
|
);
|
|
|
|
BOOLEAN
|
|
KbdCancelRequest(
|
|
IN PVOID Context
|
|
);
|
|
|
|
VOID
|
|
KbdConfiguration();
|
|
|
|
NTSTATUS
|
|
KbdCreateClassObject(
|
|
IN PDRIVER_OBJECT DriverObject,
|
|
IN PDEVICE_EXTENSION TmpDeviceExtension,
|
|
OUT PDEVICE_OBJECT * ClassDeviceObject,
|
|
OUT PWCHAR * FullDeviceName,
|
|
IN BOOLEAN Legacy
|
|
);
|
|
|
|
VOID
|
|
KbdDebugPrint(
|
|
ULONG DebugPrintLevel,
|
|
PCCHAR DebugMessage,
|
|
...
|
|
);
|
|
|
|
NTSTATUS
|
|
KbdDeterminePortsServiced(
|
|
IN PUNICODE_STRING BasePortName,
|
|
IN OUT PULONG NumberPortsServiced
|
|
);
|
|
|
|
NTSTATUS
|
|
KbdDeviceMapQueryCallback(
|
|
IN PWSTR ValueName,
|
|
IN ULONG ValueType,
|
|
IN PVOID ValueData,
|
|
IN ULONG ValueLength,
|
|
IN PVOID Context,
|
|
IN PVOID EntryContext
|
|
);
|
|
|
|
NTSTATUS
|
|
KbdEnableDisablePort(
|
|
IN BOOLEAN EnableFlag,
|
|
IN PIRP Irp,
|
|
IN PDEVICE_EXTENSION Port,
|
|
IN PFILE_OBJECT * File
|
|
);
|
|
|
|
NTSTATUS
|
|
KbdSendConnectRequest(
|
|
IN PDEVICE_EXTENSION ClassData,
|
|
IN PVOID ServiceCallback
|
|
);
|
|
|
|
VOID
|
|
KbdInitializeDataQueue(
|
|
IN PVOID Context
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardCallAllPorts (
|
|
PDEVICE_OBJECT Device,
|
|
PIRP Irp,
|
|
PVOID
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardClassEnableGlobalPort(
|
|
IN PDEVICE_EXTENSION Port,
|
|
IN BOOLEAN Enabled
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardClassPlugPlayNotification(
|
|
IN PVOID NotificationStructure,
|
|
IN PDEVICE_EXTENSION Port
|
|
);
|
|
|
|
VOID
|
|
KeyboardClassLogError(
|
|
PVOID Object,
|
|
ULONG ErrorCode,
|
|
ULONG UniqueErrorValue,
|
|
NTSTATUS FinalStatus,
|
|
ULONG DumpCount,
|
|
ULONG *DumpData,
|
|
UCHAR MajorFunction
|
|
);
|
|
|
|
BOOLEAN
|
|
KeyboardClassCreateWaitWakeIrp (
|
|
IN PDEVICE_EXTENSION Data
|
|
);
|
|
|
|
void
|
|
KeyboardClassCreateWaitWakeIrpWorker (
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PKEYBOARD_WORK_ITEM_DATA ItemData
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardToggleWaitWake(
|
|
PDEVICE_EXTENSION Data,
|
|
BOOLEAN WaitWakeState
|
|
);
|
|
|
|
void
|
|
KeyboardToggleWaitWakeWorker (
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
PKEYBOARD_WORK_ITEM_DATA ItemData
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardQueryDeviceKey (
|
|
IN HANDLE Handle,
|
|
IN PWCHAR ValueNameString,
|
|
OUT PVOID Data,
|
|
IN ULONG DataLength
|
|
);
|
|
|
|
VOID
|
|
KeyboardClassFindMorePorts(
|
|
PDRIVER_OBJECT DriverObject,
|
|
PVOID Context,
|
|
ULONG Count
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardClassSystemControl(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardClassSetWmiDataItem(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp,
|
|
IN ULONG GuidIndex,
|
|
IN ULONG InstanceIndex,
|
|
IN ULONG DataItemId,
|
|
IN ULONG BufferSize,
|
|
IN PUCHAR Buffer
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardClassSetWmiDataBlock(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp,
|
|
IN ULONG GuidIndex,
|
|
IN ULONG InstanceIndex,
|
|
IN ULONG BufferSize,
|
|
IN PUCHAR Buffer
|
|
);
|
|
|
|
|
|
NTSTATUS
|
|
KeyboardClassQueryWmiDataBlock(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp,
|
|
IN ULONG GuidIndex,
|
|
IN ULONG InstanceIndex,
|
|
IN ULONG InstanceCount,
|
|
IN OUT PULONG InstanceLengthArray,
|
|
IN ULONG BufferAvail,
|
|
OUT PUCHAR Buffer
|
|
);
|
|
|
|
NTSTATUS
|
|
KeyboardClassQueryWmiRegInfo(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
OUT ULONG *RegFlags,
|
|
OUT PUNICODE_STRING InstanceName,
|
|
OUT PUNICODE_STRING *RegistryPath,
|
|
OUT PUNICODE_STRING MofResourceName,
|
|
OUT PDEVICE_OBJECT *Pdo
|
|
);
|
|
|
|
#endif // _KBDCLASS_
|