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