drivers/input/kbdclass/kbdclass.h

   1 #include <ntifs.h>
   2 #include <ntddkbd.h>
   3
   4 #define MAX_PATH 260
   5
   6 #define MIN(a, b) ((a) < (b) ? (a) : (b))
   7
   8 #define CLASS_TAG 'CdbK'
   9 #define DPFLTR_CLASS_NAME_ID DPFLTR_KBDCLASS_ID
  10
  11 typedef enum
  12 {
  13         dsStopped,
  14         dsStarted,
  15         dsPaused,
  16         dsRemoved,
  17         dsSurpriseRemoved
  18 } PORT_DEVICE_STATE;
  19
  20 typedef struct _CLASS_DRIVER_EXTENSION
  21 {
  22         UNICODE_STRING RegistryPath;
  23
  24         /* Registry settings */
  25         ULONG ConnectMultiplePorts;
  26         ULONG DataQueueSize;
  27         UNICODE_STRING DeviceBaseName;
  28
  29         PDEVICE_OBJECT MainClassDeviceObject;
  30 } CLASS_DRIVER_EXTENSION, *PCLASS_DRIVER_EXTENSION;
  31
  32 typedef struct _COMMON_DEVICE_EXTENSION
  33 {
  34         BOOLEAN IsClassDO;
  35 } COMMON_DEVICE_EXTENSION, *PCOMMON_DEVICE_EXTENSION;
  36
  37 typedef struct _PORT_DEVICE_EXTENSION
  38 {
  39         COMMON_DEVICE_EXTENSION Common;
  40
  41         LIST_ENTRY ListEntry;
  42         PDEVICE_OBJECT DeviceObject;
  43         PORT_DEVICE_STATE PnpState;
  44         PDEVICE_OBJECT LowerDevice;
  45         PDEVICE_OBJECT ClassDO;
  46         HANDLE FileHandle;
  47         UNICODE_STRING InterfaceName;
  48 } PORT_DEVICE_EXTENSION, *PPORT_DEVICE_EXTENSION;
  49
  50 typedef struct _CLASS_DEVICE_EXTENSION
  51 {
  52         COMMON_DEVICE_EXTENSION Common;
  53
  54         PCLASS_DRIVER_EXTENSION DriverExtension;
  55
  56         LIST_ENTRY ListHead;
  57         KSPIN_LOCK ListSpinLock;
  58         KSPIN_LOCK SpinLock;
  59         PIRP PendingIrp;
  60         SIZE_T InputCount;
  61         PKEYBOARD_INPUT_DATA PortData;
  62         LPCWSTR DeviceName;
  63 } CLASS_DEVICE_EXTENSION, *PCLASS_DEVICE_EXTENSION;
  64
  65 /* misc.c */
  66
  67 NTSTATUS
  68 ForwardIrpAndWait(
  69         IN PDEVICE_OBJECT DeviceObject,
  70         IN PIRP Irp);
  71
  72 DRIVER_DISPATCH ForwardIrpAndForget;
  73
  74 NTSTATUS
  75 DuplicateUnicodeString(
  76         IN ULONG Flags,
  77         IN PCUNICODE_STRING SourceString,
  78         OUT PUNICODE_STRING DestinationString);