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211 lines
5.1 KiB
211 lines
5.1 KiB
/*++
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Copyright (c) 1996 Microsoft Corporation
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Module Name:
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hidmini.h
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Abstract
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Definitions that are common to all HID minidrivers.
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Authors:
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Forrest Foltz
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Ervin Peretz
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Environment:
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Kernel mode only
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Revision History:
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--*/
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#ifndef __HIDPORT_H__
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#define __HIDPORT_H__
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#include <hidclass.h>
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//
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// HID_MINIDRIVER_REGISTRATION is a packet of information describing the
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// HID minidriver to the class driver. It must be filled in by the minidriver
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// and passed to the class driver via HidRegisterMinidriver() from the
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// minidriver's DriverEntry() routine.
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//
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typedef struct _HID_MINIDRIVER_REGISTRATION {
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//
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// Revision must be set to HID_REVISION by the minidriver
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//
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ULONG Revision;
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//
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// DriverObject is a pointer to the minidriver's DriverObject that it
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// received as a DriverEntry() parameter.
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//
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PDRIVER_OBJECT DriverObject;
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//
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// RegistryPath is a pointer to the minidriver's RegistryPath that it
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// received as a DriverEntry() parameter.
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//
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PUNICODE_STRING RegistryPath;
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//
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// DeviceExtensionSize is the size of the minidriver's per-device
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// extension.
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//
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ULONG DeviceExtensionSize;
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//
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// Either all or none of the devices driven by a given minidriver are polled.
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//
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BOOLEAN DevicesArePolled;
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UCHAR Reserved[3];
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} HID_MINIDRIVER_REGISTRATION, *PHID_MINIDRIVER_REGISTRATION;
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//
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// HID_DEVICE_EXTENSION is the public part of the device extension of a HID
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// functional device object.
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//
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typedef struct _HID_DEVICE_EXTENSION {
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//
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// PhysicalDeviceObject... normally IRPs are not passed to this.
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//
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PDEVICE_OBJECT PhysicalDeviceObject;
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//
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// NextDeviceObject... IRPs are sent here by the minidriver. Note that
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// NextDeviceObject and PhysicalDeviceObject are the same unless someone
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// has inserted a 'filter' device object, in which case they are not the
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// same. Sending IRPs to NextDeviceObject will hit the filter device
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// objects on the way down.
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//
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PDEVICE_OBJECT NextDeviceObject;
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//
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// MiniDeviceExtension is the per-device extension area for use by
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// the minidriver. It's size is determined by the DeviceExtensionSize
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// parameter passed in to HidAddDevice().
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//
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// So, given a Functional Device Object, a mininidriver finds this
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// structure by:
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//
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// HidDeviceExtension = (PHID_DEVICE_EXTENSION)(Fdo->DeviceExtension);
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//
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// And of course it's per-device extension is found by:
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//
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// MiniDeviceExtension = HidDeviceExtension->MiniDeviceExtension;
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//
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PVOID MiniDeviceExtension;
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} HID_DEVICE_EXTENSION, *PHID_DEVICE_EXTENSION;
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typedef struct _HID_DEVICE_ATTRIBUTES {
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ULONG Size;
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//
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// sizeof (struct _HID_DEVICE_ATTRIBUTES)
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//
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//
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// Vendor ids of this hid device
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//
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USHORT VendorID;
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USHORT ProductID;
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USHORT VersionNumber;
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USHORT Reserved[11];
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} HID_DEVICE_ATTRIBUTES, * PHID_DEVICE_ATTRIBUTES;
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#include <pshpack1.h>
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typedef struct _HID_DESCRIPTOR
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{
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UCHAR bLength;
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UCHAR bDescriptorType;
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USHORT bcdHID;
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UCHAR bCountry;
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UCHAR bNumDescriptors;
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/*
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* This is an array of one OR MORE descriptors.
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*/
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struct _HID_DESCRIPTOR_DESC_LIST {
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UCHAR bReportType;
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USHORT wReportLength;
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} DescriptorList [1];
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} HID_DESCRIPTOR, * PHID_DESCRIPTOR;
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#include <poppack.h>
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typedef
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VOID
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(*HID_SEND_IDLE_CALLBACK)(
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PVOID Context
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);
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typedef struct _HID_SUBMIT_IDLE_NOTIFICATION_CALLBACK_INFO {
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HID_SEND_IDLE_CALLBACK IdleCallback;
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PVOID IdleContext;
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} HID_SUBMIT_IDLE_NOTIFICATION_CALLBACK_INFO, *PHID_SUBMIT_IDLE_NOTIFICATION_CALLBACK_INFO;
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//
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// Function prototypes for the HID services exported by the hid class driver
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// follow.
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//
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NTSTATUS
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HidRegisterMinidriver(
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IN PHID_MINIDRIVER_REGISTRATION MinidriverRegistration
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);
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//
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// Internal IOCTLs for the class/mini driver interface.
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//
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#define IOCTL_HID_GET_DEVICE_DESCRIPTOR HID_CTL_CODE(0)
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#define IOCTL_HID_GET_REPORT_DESCRIPTOR HID_CTL_CODE(1)
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#define IOCTL_HID_READ_REPORT HID_CTL_CODE(2)
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#define IOCTL_HID_WRITE_REPORT HID_CTL_CODE(3)
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#define IOCTL_HID_GET_STRING HID_CTL_CODE(4)
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#define IOCTL_HID_ACTIVATE_DEVICE HID_CTL_CODE(7)
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#define IOCTL_HID_DEACTIVATE_DEVICE HID_CTL_CODE(8)
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#define IOCTL_HID_GET_DEVICE_ATTRIBUTES HID_CTL_CODE(9)
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#define IOCTL_HID_SEND_IDLE_NOTIFICATION_REQUEST HID_CTL_CODE(10)
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/*
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* Codes for HID-specific descriptor types, from HID USB spec.
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*/
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#define HID_HID_DESCRIPTOR_TYPE 0x21
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#define HID_REPORT_DESCRIPTOR_TYPE 0x22
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#define HID_PHYSICAL_DESCRIPTOR_TYPE 0x23 // for body part associations
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/*
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* These are string IDs for use with IOCTL_HID_GET_STRING
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* They match the string field offsets in Chapter 9 of the USB Spec.
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*/
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#define HID_STRING_ID_IMANUFACTURER 14
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#define HID_STRING_ID_IPRODUCT 15
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#define HID_STRING_ID_ISERIALNUMBER 16
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#endif // __HIDPORT_H__
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