576 lines
13 KiB
C
576 lines
13 KiB
C
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/*++
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Copyright (c) 1997 Microsoft Corporation
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Module Name:
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mouhid.h
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Abstract:
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This module contains the private definitions for the HID Mouse Filter
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Driver.
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Note: This is not a WDM driver as it will not run on Memphis (you need a
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vxd mapper to do mice for Memphis) and it uses event logs
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Environment:
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Kernel mode only.
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Revision History:
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Jan-1997 : Initial writing, Dan Markarian
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--*/
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#ifndef _MOUHID_H
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#define _MOUHID_H
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#include "ntddk.h"
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#include "hidusage.h"
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#include "hidpi.h"
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#include "ntddmou.h"
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#include "kbdmou.h"
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#include "mouhidm.h"
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#include "wmilib.h"
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//
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// Allocate memory with our own pool tag. Note that Windows 95/NT are little
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// endian systems.
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//
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#define MOUHID_POOL_TAG (ULONG) 'lCdH'
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#undef ExAllocatePool
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#define ExAllocatePool(type, size) \
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ExAllocatePoolWithTag (type, size, MOUHID_POOL_TAG);
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//
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// Sometimes we allocate a bunch of structures together and need to split the
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// allocation among these different structures. Use this macro to get the
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// lengths of the different structures aligned properly.
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//
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#if defined(_WIN64)
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#define ALIGNPTRLEN(x) ((x + 0x7) >> 3) << 3
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#else // defined(_WIN64)
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#define ALIGNPTRLEN(x) x
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#endif // defined(_WIN64)
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//
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// Registry ProblemFlags masks.
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//
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#define PROBLEM_BAD_ABSOLUTE_FLAG_X_Y 0x00000001
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#define PROBLEM_BAD_PHYSICAL_MIN_MAX_X 0x00000002
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#define PROBLEM_BAD_PHYSICAL_MIN_MAX_Y 0x00000004
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#define PROBLEM_BAD_PHYSICAL_MIN_MAX_Z 0x00000008
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//
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// Flags to indicate whether read completed synchronously or asynchronously
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//
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#define MOUHID_START_READ 0x01
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#define MOUHID_END_READ 0x02
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#define MOUHID_IMMEDIATE_READ 0x03
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//
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// I cannot find this constant after a bit of searching so I am making it up
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// emperically for now.
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//
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// When we have an absolute mouse we need to scale its maximum value to the
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// Raw Input User Thread's maximum value.
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//
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#define MOUHID_RIUT_ABSOLUTE_POINTER_MAX 0xFFFF
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//
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// Debug messaging and breakpoint macros.
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//
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#define DBG_STARTUP_SHUTDOWN_MASK 0x0000000F
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#define DBG_SS_NOISE 0x00000001
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#define DBG_SS_TRACE 0x00000002
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#define DBG_SS_INFO 0x00000004
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#define DBG_SS_ERROR 0x00000008
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#define DBG_CALL_MASK 0x000000F0
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#define DBG_CALL_NOISE 0x00000010
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#define DBG_CALL_TRACE 0x00000020
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#define DBG_CALL_INFO 0x00000040
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#define DBG_CALL_ERROR 0x00000080
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#define DBG_IOCTL_MASK 0x00000F00
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#define DBG_IOCTL_NOISE 0x00000100
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#define DBG_IOCTL_TRACE 0x00000200
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#define DBG_IOCTL_INFO 0x00000400
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#define DBG_IOCTL_ERROR 0x00000800
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#define DBG_READ_MASK 0x0000F000
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#define DBG_READ_NOISE 0x00001000
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#define DBG_READ_TRACE 0x00002000
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#define DBG_READ_INFO 0x00004000
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#define DBG_READ_ERROR 0x00008000
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#define DBG_CREATE_CLOSE_MASK 0x000F0000
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#define DBG_CC_NOISE 0x00010000
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#define DBG_CC_TRACE 0x00020000
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#define DBG_CC_INFO 0x00040000
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#define DBG_CC_ERROR 0x00080000
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#define DBG_POWER_MASK 0x00F00000
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#define DBG_POWER_NOISE 0x00100000
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#define DBG_POWER_TRACE 0x00200000
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#define DBG_POWER_INFO 0x00400000
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#define DBG_POWER_ERROR 0x00800000
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#define DBG_PNP_MASK 0x0F000000
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#define DBG_PNP_NOISE 0x01000000
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#define DBG_PNP_TRACE 0x02000000
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#define DBG_PNP_INFO 0x04000000
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#define DBG_PNP_ERROR 0x08000000
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#define DBG_CANCEL_MASK 0xF0000000
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#define DBG_CANCEL_NOISE 0x10000000
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#define DBG_CANCEL_TRACE 0x20000000
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#define DBG_CANCEL_INFO 0x40000000
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#define DBG_CANCEL_ERROR 0x80000000
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#define DEFAULT_DEBUG_OUTPUT_LEVEL 0x88888888
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#if DBG
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#define Print(_l_, _x_) \
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if (Globals.DebugLevel & (_l_)) { \
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DbgPrint ("MouHid: "); \
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DbgPrint _x_; \
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}
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#define TRAP() DbgBreakPoint()
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#else
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#define Print(_l_,_x_)
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#define TRAP()
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#endif
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#define MAX(_A_,_B_) (((_A_) < (_B_)) ? (_B_) : (_A_))
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#define MIN(_A_,_B_) (((_A_) < (_B_)) ? (_A_) : (_B_))
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#define FLIP_FLOP_WHEEL L"FlipFlopWheel" // should we change polarity of wheel
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#define SCALING_FACTOR_WHEEL L"WheelScalingFactor" // The per-raden scaling factor
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//
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// Structures
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//
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typedef struct _GLOBALS {
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#if DBG
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//
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// The level of trace output sent to the debugger. See HidCli_KdPrint above.
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//
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ULONG DebugLevel;
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#endif
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//
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// Configuration flag indicating that we must treat all mouse movement as
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// relative data. Overrides .IsAbsolute flag reported by the HID device.
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// To set this switch, place a value of the same name into the parameters
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// key.
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//
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BOOLEAN TreatAbsoluteAsRelative;
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//
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// When using a HID device of usage type HID_USAGE_GENERIC_POINTER (not
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// of HID_USAGE_GENERIC_MOUSE).
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// This switch overwrites the "TreatAbsoluteAsRelative" switch.
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//
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BOOLEAN TreatAbsolutePointerAsAbsolute;
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//
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// Do not Accept HID_USAGE_GENERIC_POINTER as a device. (AKA only use HID
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// devices that declare themselves as HID_USAGE_GENERIC_MOUSE.)
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//
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BOOLEAN UseOnlyMice;
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BOOLEAN Reserved[1];
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//
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// Pointer to this driver's null-terminated registry path.
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//
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UNICODE_STRING RegistryPath;
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//
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// Unit ID given to the keyboard class driver
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//
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ULONG UnitId;
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} GLOBALS;
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extern GLOBALS Globals;
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typedef struct _DEVICE_EXTENSION
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{
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//
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// Pointer back to the this extension's device object.
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//
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PDEVICE_OBJECT Self;
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//
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// The top of the stack before this filter was added. AKA the location
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// to which all IRPS should be directed.
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//
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PDEVICE_OBJECT TopOfStack;
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//
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// "THE PDO" (ejected by Hidclass)
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//
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PDEVICE_OBJECT PDO;
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//
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// Flag indicating permission to send callbacks to the mouse class driver.
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//
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LONG EnableCount;
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//
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// Read interlock value to protect us from running out of stack space
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//
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ULONG ReadInterlock;
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//
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// Has the device been taken out from under us?
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// Has it been started?
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//
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BOOLEAN Started;
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BOOLEAN ShuttingDown;
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BOOLEAN Initialized;
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USHORT UnitId;
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// Should the polarity of the wheel be backwards.
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BOOLEAN FlipFlop;
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BOOLEAN Reserved[3];
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ULONG WheelScalingFactor;
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//
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// Write and Feature Irps get passed straight down, but read Irps do not.
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// For this reason we keep around a read Irp, which we created.
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//
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PIRP ReadIrp;
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//
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// Flags indicating problems with the mouse HID device (such as bad
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// absolute X-Y axes, bad physical minimum and maximum).
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//
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ULONG ProblemFlags;
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//
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// A file pointer to be used for reading
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//
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PFILE_OBJECT ReadFile;
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//
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// Event used to synchronize the completion of the read irp and the close irp
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//
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KEVENT ReadCompleteEvent;
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//
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// Event used to indicate that a read irp has been sent and is now cancelable.
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//
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KEVENT ReadSentEvent;
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//
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// A pointer to the HID extension.
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//
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struct _HID_EXTENSION * HidExtension;
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//
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// Pointer to the mouse class device object and callback routine
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// above us, Used as the first parameter and the MouseClassCallback().
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// routine itself.
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//
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CONNECT_DATA ConnectData;
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//
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// Remove Lock object to project IRP_MN_REMOVE_DEVICE
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//
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IO_REMOVE_LOCK RemoveLock;
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//
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// A fast mutex to prevent Create from trouncing close, as one starts the
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// read loop and the other shuts it down.
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//
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FAST_MUTEX CreateCloseMutex;
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//
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// An event to halt the deletion of a device until it is ready to go.
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//
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KEVENT StartEvent;
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//
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// Buffer for a single mouse data packet so that we might hand it to
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// the mouse class driver.
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//
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MOUSE_INPUT_DATA InputData;
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//
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// Buffer for the mouse attributes.
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//
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MOUSE_ATTRIBUTES Attributes;
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USHORT AttributesAllignmentProblem; //
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//
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// An attachment point for the global list o devices
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//
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LIST_ENTRY Link;
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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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} DEVICE_EXTENSION, * PDEVICE_EXTENSION;
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typedef struct _HID_EXTENSION {
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//
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// Indicates the bit size of each X,Y,Z usage value. This information is
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// used should the usage's physical minimum/maximum limits be invalid (a
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// common problem).
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//
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struct {
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USHORT X;
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USHORT Y;
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USHORT Z;
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USHORT Reserved;
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} BitSize;
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//
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// The maximum allowed values of X and Y.
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//
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LONG MaxX;
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LONG MaxY;
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//
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// Should this mouse be treated as an absolute device.
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//
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BOOLEAN IsAbsolute;
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//
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// Flag indicating whether or not a wheel usage (Z axis) exists.
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//
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BOOLEAN HasNoWheelUsage;
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//
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// Flag indicating whether or not a z axis exists on this mouse;
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//
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BOOLEAN HasNoZUsage;
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BOOLEAN Reserved;
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//
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// The maximum number of usages that can be returned from a single read
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// report.
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USHORT MaxUsages;
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USHORT Reserved2;
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//
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// The preparsed data associated with this hid device.
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//
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PHIDP_PREPARSED_DATA Ppd;
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//
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// The capabilities of this hid device
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//
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HIDP_CAPS Caps;
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//
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// Pointers into the buffer at the end of this structure (dynamic size).
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//
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PCHAR InputBuffer;
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PUSAGE CurrentUsageList;
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PUSAGE PreviousUsageList;
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PUSAGE BreakUsageList;
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PUSAGE MakeUsageList;
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//
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// MDLs describing the buffer at the end of this structure (dynamic size).
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//
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PMDL InputMdl;
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//
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// Buffer of dynamic size, allocated at run-time. It is used to hold one
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// input report and 4 x .MaxUsageList usages (4 = previous, current, make,
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// and break usages).
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//
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CHAR Buffer[];
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} HID_EXTENSION, * PHID_EXTENSION;
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//
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// Prototypes.
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//
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NTSTATUS
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DriverEntry(
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IN PDRIVER_OBJECT DriverObject,
|
||
|
|
IN PUNICODE_STRING RegistryPath
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_AddDevice (
|
||
|
|
IN PDRIVER_OBJECT MouHidDriver, // The kbd Driver object.
|
||
|
|
IN PDEVICE_OBJECT PDO
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_Close (
|
||
|
|
IN PDEVICE_OBJECT DeviceObject,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_Create (
|
||
|
|
IN PDEVICE_OBJECT DeviceObject,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_CallHidClass(
|
||
|
|
IN PDEVICE_EXTENSION Data,
|
||
|
|
IN ULONG Ioctl,
|
||
|
|
PVOID InputBuffer,
|
||
|
|
ULONG InputBufferLength,
|
||
|
|
PVOID OutputBuffer,
|
||
|
|
ULONG OutputBufferLength
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
MouHid_UpdateRegistryProblemFlags (
|
||
|
|
IN PDEVICE_EXTENSION Data
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
MouHid_UpdateRegistryProblemFlagsCallback (
|
||
|
|
IN PDEVICE_OBJECT DeviceObject,
|
||
|
|
IN PIO_WORKITEM Item
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
MouHid_LogError(
|
||
|
|
IN PDRIVER_OBJECT DriverObject,
|
||
|
|
IN NTSTATUS ErrorCode,
|
||
|
|
IN PWSTR ErrorInsertionString OPTIONAL
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_StartDevice (
|
||
|
|
IN PDEVICE_EXTENSION Data
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_StartRead (
|
||
|
|
IN PDEVICE_EXTENSION Data
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_PnP (
|
||
|
|
IN PDEVICE_OBJECT DeviceObject,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_Power (
|
||
|
|
IN PDEVICE_OBJECT DeviceObject,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_Power (
|
||
|
|
IN PDEVICE_OBJECT DeviceObject,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_PnPComplete (
|
||
|
|
IN PDEVICE_OBJECT DeviceObject,
|
||
|
|
IN PIRP Irp,
|
||
|
|
IN PVOID Context
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_GetRegistryParameters ();
|
||
|
|
|
||
|
|
VOID
|
||
|
|
MouHid_Unload(
|
||
|
|
IN PDRIVER_OBJECT Driver
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_IOCTL (
|
||
|
|
IN PDEVICE_OBJECT DeviceObject,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_Flush (
|
||
|
|
IN PDEVICE_OBJECT DeviceObject,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
KbdHid_Power (
|
||
|
|
IN PDEVICE_OBJECT DeviceObject,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_PassThrough (
|
||
|
|
IN PDEVICE_OBJECT DeviceObject,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_SystemControl(
|
||
|
|
IN PDEVICE_OBJECT DeviceObject,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_SetWmiDataItem(
|
||
|
|
IN PDEVICE_OBJECT DeviceObject,
|
||
|
|
IN PIRP Irp,
|
||
|
|
IN ULONG GuidIndex,
|
||
|
|
IN ULONG InstanceIndex,
|
||
|
|
IN ULONG DataItemId,
|
||
|
|
IN ULONG BufferSize,
|
||
|
|
IN PUCHAR Buffer
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_SetWmiDataBlock(
|
||
|
|
IN PDEVICE_OBJECT DeviceObject,
|
||
|
|
IN PIRP Irp,
|
||
|
|
IN ULONG GuidIndex,
|
||
|
|
IN ULONG InstanceIndex,
|
||
|
|
IN ULONG BufferSize,
|
||
|
|
IN PUCHAR Buffer
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
MouHid_QueryWmiDataBlock(
|
||
|
|
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
|
||
|
|
MouHid_QueryWmiRegInfo(
|
||
|
|
IN PDEVICE_OBJECT DeviceObject,
|
||
|
|
OUT ULONG *RegFlags,
|
||
|
|
OUT PUNICODE_STRING InstanceName,
|
||
|
|
OUT PUNICODE_STRING *RegistryPath,
|
||
|
|
OUT PUNICODE_STRING MofResourceName,
|
||
|
|
OUT PDEVICE_OBJECT *Pdo
|
||
|
|
);
|
||
|
|
|
||
|
|
extern WMIGUIDREGINFO MouHid_WmiGuidList[1];
|
||
|
|
|
||
|
|
#endif //_MOUHID_H
|