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265 lines
12 KiB
265 lines
12 KiB
/*
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*************************************************************************
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* File: USBCCGP.H
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*
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* Module: USBCCGP.SYS
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* USB Common Class Generic Parent driver.
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*
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* Copyright (c) 1998 Microsoft Corporation
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*
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*
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* Author: ervinp
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*
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*************************************************************************
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*/
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#include <msosdesc.h> // Internal definitions for MS OS Desc.
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/*
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* USBCCGP signature tag for memory allocations
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*/
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#define USBCCGP_TAG (ULONG)'CbsU'
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#define GUARD_WORD 'draG'
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extern PWCHAR GenericCompositeUSBDeviceString;
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enum deviceState {
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STATE_INITIALIZED,
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STATE_STARTING,
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STATE_STARTED,
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STATE_START_FAILED,
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STATE_STOPPING,
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STATE_STOPPED, // implies device was previously started successfully
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STATE_SUSPENDED,
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STATE_REMOVING,
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STATE_REMOVED
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};
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typedef struct PARENT_FDO_EXTENSION {
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enum deviceState state;
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PDRIVER_OBJECT driverObj;
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PDEVICE_OBJECT pdo;
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PDEVICE_OBJECT fdo;
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PDEVICE_OBJECT topDevObj;
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/*
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* Counter to keep driver from getting unloaded before all IO completes to us.
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*/
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LONG pendingActionCount;
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KEVENT removeEvent;
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/*
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* This buffer will hold a USB_CONFIGURATION_DESCRIPTOR plus
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* the following interface descriptors.
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*/
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PUSB_CONFIGURATION_DESCRIPTOR configDesc;
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PUSB_CONFIGURATION_DESCRIPTOR selectedConfigDesc;
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USBD_CONFIGURATION_HANDLE selectedConfigHandle;
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PUSBD_INTERFACE_LIST_ENTRY interfaceList;
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USB_DEVICE_DESCRIPTOR deviceDesc;
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/*
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* The parent device has some number of functions.
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* For each function, we create a PDO and store
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* it in the deviceRelations array.
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*/
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ULONG numFunctions;
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PDEVICE_RELATIONS deviceRelations;
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/*
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* deviceCapabilities includes a
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* table mapping system power states to device power states.
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*/
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DEVICE_CAPABILITIES deviceCapabilities;
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PURB dynamicNotifyUrb;
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PIRP parentWaitWakeIrp;
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PIRP currentSetPowerIrp;
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BOOLEAN isWaitWakePending;
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LIST_ENTRY functionWaitWakeIrpQueue; // WW irps from function client drivers
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KSPIN_LOCK parentFdoExtSpinLock;
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BOOLEAN haveCSInterface;
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ULONG CSInterfaceNumber;
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ULONG CSChannelId;
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BOOLEAN resetPortInProgress;
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LIST_ENTRY pendingResetPortIrpQueue;
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BOOLEAN cyclePortInProgress;
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LIST_ENTRY pendingCyclePortIrpQueue;
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PIRP pendingIdleIrp;
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USB_IDLE_CALLBACK_INFO idleCallbackInfo;
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PMS_EXT_CONFIG_DESC msExtConfigDesc;
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} PARENT_FDO_EXT, *PPARENT_FDO_EXT;
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typedef struct FUNCTION_PDO_EXTENSION {
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ULONG functionIndex;
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ULONG baseInterfaceNumber;
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ULONG numInterfaces;
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enum deviceState state;
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PDEVICE_OBJECT pdo;
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PPARENT_FDO_EXT parentFdoExt;
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/*
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* functionInterfaceList is a pointer into the parent's interfaceList array.
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*/
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PUSBD_INTERFACE_LIST_ENTRY functionInterfaceList;
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PUSB_CONFIGURATION_DESCRIPTOR dynamicFunctionConfigDesc;
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USB_DEVICE_DESCRIPTOR functionDeviceDesc;
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KSPIN_LOCK functionPdoExtSpinLock;
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PIRP idleNotificationIrp;
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} FUNCTION_PDO_EXT, *PFUNCTION_PDO_EXT;
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typedef struct DEVICE_EXTENSION {
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ULONG signature;
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/*
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* Does the associated device object represent
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* the parent FDO that we attached to the device object
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* we got from USBHUB
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* (as opposed to the function PDO we created
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* to represent a single function on that device) ?
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*/
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BOOLEAN isParentFdo;
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union {
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PARENT_FDO_EXT parentFdoExt;
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FUNCTION_PDO_EXT functionPdoExt;
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};
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} DEVEXT, *PDEVEXT;
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typedef struct _USB_REQUEST_TIMEOUT_CONTEXT {
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PKEVENT event;
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PLONG lock;
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} USB_REQUEST_TIMEOUT_CONTEXT, *PUSB_REQUEST_TIMEOUT_CONTEXT;
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#define ALLOCPOOL(pooltype, size) ExAllocatePoolWithTag(pooltype, size, USBCCGP_TAG)
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#define FREEPOOL(ptr) ExFreePool(ptr)
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#define MAX(a, b) (((a) >= (b)) ? (a) : (b))
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#define MIN(a, b) (((a) <= (b)) ? (a) : (b))
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#define POINTER_DISTANCE(ptr1, ptr2) (ULONG)(((PUCHAR)(ptr1))-((PUCHAR)(ptr2)))
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// Counting the byte count of an ascii string or wide char string
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//
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#define STRLEN( Length, p )\
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{\
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int i;\
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for ( i=0; (p)[i]; i++ );\
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Length = i*sizeof(*p);\
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}
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/*
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* We use this value, which is guaranteed to never be defined as a status by the kernel,
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* as a default status code to indicate "do nothing and pass the irp down".
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*/
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#define NO_STATUS 0x80000000
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NTSTATUS DriverEntry(IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING UniRegistryPath);
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NTSTATUS USBC_AddDevice(IN PDRIVER_OBJECT DriverObject, IN PDEVICE_OBJECT PhysicalDeviceObject);
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VOID USBC_DriverUnload(IN PDRIVER_OBJECT DriverObject);
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NTSTATUS USBC_Dispatch(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp);
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NTSTATUS USBC_Create(PDEVEXT devExt, PIRP irp);
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NTSTATUS USBC_Close(PDEVEXT devExt, PIRP irp);
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NTSTATUS USBC_DeviceControl(PDEVEXT devExt, PIRP irp);
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NTSTATUS USBC_SystemControl(PDEVEXT devExt, PIRP irp);
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NTSTATUS USBC_InternalDeviceControl(PDEVEXT devExt, PIRP irp);
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NTSTATUS USBC_PnP(PDEVEXT devExt, PIRP irp);
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NTSTATUS USBC_PnpComplete(IN PDEVICE_OBJECT devObj, IN PIRP irp, IN PVOID context);
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NTSTATUS USBC_Power(PDEVEXT devExt, PIRP irp);
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NTSTATUS CreateStaticFunctionPDOs(PPARENT_FDO_EXT fdoExt);
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NTSTATUS TryGetConfigDescriptor(PPARENT_FDO_EXT parentFdoExt);
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NTSTATUS GetConfigDescriptor(PPARENT_FDO_EXT fdoExt);
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VOID PrepareParentFDOForRemove(PPARENT_FDO_EXT parentFdoExt);
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VOID FreeParentFDOResources(PPARENT_FDO_EXT fdoExt);
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PWCHAR BuildCompatibleIDs(IN PUCHAR CompatibleID, IN PUCHAR SubCompatibleID, IN UCHAR Class, IN UCHAR SubClass, IN UCHAR Protocol);
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NTSTATUS QueryFunctionPdoID(PFUNCTION_PDO_EXT functionPdoExt, PIRP irp);
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NTSTATUS QueryParentDeviceRelations(PPARENT_FDO_EXT parentFdoExt, PIRP irp);
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NTSTATUS QueryFunctionDeviceRelations(PFUNCTION_PDO_EXT functionPdoExt, PIRP irp);
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NTSTATUS QueryFunctionCapabilities(PFUNCTION_PDO_EXT functionPdoExt, PIRP irp);
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NTSTATUS HandleParentFdoPower(PPARENT_FDO_EXT parentFdoExt, PIRP irp);
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NTSTATUS HandleFunctionPdoPower(PFUNCTION_PDO_EXT functionPdoExt, PIRP irp);
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VOID ParentPowerRequestCompletion(IN PDEVICE_OBJECT devObj, IN UCHAR minorFunction, IN POWER_STATE powerState, IN PVOID context, IN PIO_STATUS_BLOCK ioStatus);
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NTSTATUS StartParentFdo(PPARENT_FDO_EXT parentFdoExt, PIRP irp);
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NTSTATUS QueryFunctionCapabilities(PFUNCTION_PDO_EXT functionPdoExt, PIRP irp);
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NTSTATUS ParentPdoPowerCompletion(IN PDEVICE_OBJECT devObj, IN PIRP irp, IN PVOID context);
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NTSTATUS FunctionInternalDeviceControl(PFUNCTION_PDO_EXT functionPdoExt, PIRP irp);
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NTSTATUS ParentInternalDeviceControl(PPARENT_FDO_EXT parentFdoExt, PIRP irp);
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NTSTATUS ParentResetOrCyclePort(PPARENT_FDO_EXT parentFdoExt, PIRP irp, ULONG ioControlCode);
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NTSTATUS BuildFunctionConfigurationDescriptor(PFUNCTION_PDO_EXT functionPdoExt, PUCHAR buffer, ULONG bufferLength, PULONG bytesReturned);
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VOID FreeFunctionPDOResources(PFUNCTION_PDO_EXT functionPdoExt);
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NTSTATUS GetParentFdoCapabilities(PPARENT_FDO_EXT parentFdoExt);
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NTSTATUS CallDriverSyncCompletion(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp, IN PVOID Context);
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NTSTATUS CallDriverSync(IN PDEVICE_OBJECT DeviceObject, IN OUT PIRP Irp);
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NTSTATUS CallNextDriverSync(PPARENT_FDO_EXT parentFdoExt, PIRP irp);
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VOID IncrementPendingActionCount(PPARENT_FDO_EXT parentFdoExt);
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VOID DecrementPendingActionCount(PPARENT_FDO_EXT parentFdoExt);
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PWCHAR AppendInterfaceNumber(PWCHAR oldIDs, ULONG interfaceNum);
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PVOID MemDup(PVOID dataPtr, ULONG length);
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ULONG WStrLen(PWCHAR str);
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ULONG WStrCpy(PWCHAR dest, PWCHAR src);
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BOOLEAN WStrCompareN(PWCHAR str1, PWCHAR str2, ULONG maxChars);
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NTSTATUS GetDeviceDescriptor(PPARENT_FDO_EXT parentFdoExt);
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NTSTATUS SubmitUrb(PPARENT_FDO_EXT parentFdoExt, PURB urb, BOOLEAN synchronous, PVOID completionRoutine, PVOID completionContext);
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NTSTATUS UrbFunctionSelectConfiguration(PFUNCTION_PDO_EXT functionPdoExt, PURB urb);
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NTSTATUS UrbFunctionGetDescriptorFromDevice(PFUNCTION_PDO_EXT functionPdoExt, PURB urb);
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PFUNCTION_PDO_EXT FindFunctionByIndex(PPARENT_FDO_EXT parentFdoExt, ULONG functionIndex);
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PUSBD_INTERFACE_LIST_ENTRY GetFunctionInterfaceListBase(PPARENT_FDO_EXT parentFdoExt, ULONG functionIndex, PULONG numFunctionInterfaces);
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PDEVICE_RELATIONS CopyDeviceRelations(PDEVICE_RELATIONS deviceRelations);
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PUSBD_INTERFACE_LIST_ENTRY GetInterfaceList(PPARENT_FDO_EXT parentFdoExt, PUSB_CONFIGURATION_DESCRIPTOR configDesc);
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VOID FreeInterfaceList(PPARENT_FDO_EXT parentFdoExt, BOOLEAN freeListItself);
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NTSTATUS ParentSelectConfiguration(PPARENT_FDO_EXT parentFdoExt, PUSB_CONFIGURATION_DESCRIPTOR configDesc, PUSBD_INTERFACE_LIST_ENTRY interfaceList);
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VOID ParentCloseConfiguration(PPARENT_FDO_EXT parentFdoExt);
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NTSTATUS GetStringDescriptor(PPARENT_FDO_EXT parentFdoExt, UCHAR stringIndex, LANGID langId, PUSB_STRING_DESCRIPTOR stringDesc, ULONG bufferLen);
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NTSTATUS SetPdoRegistryParameter(IN PDEVICE_OBJECT PhysicalDeviceObject, IN PWCHAR KeyName, IN PVOID Data, IN ULONG DataLength, IN ULONG KeyType, IN ULONG DevInstKeyType);
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NTSTATUS GetPdoRegistryParameter(IN PDEVICE_OBJECT PhysicalDeviceObject, IN PWCHAR ValueName, OUT PVOID Data, IN ULONG DataLength, OUT PULONG Type, OUT PULONG ActualDataLength);
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NTSTATUS GetMsOsFeatureDescriptor(PPARENT_FDO_EXT ParentFdoExt, UCHAR Recipient, UCHAR InterfaceNumber, USHORT Index, PVOID DataBuffer, ULONG DataBufferLength, PULONG BytesReturned);
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NTSTATUS GetMsExtendedConfigDescriptor(IN PPARENT_FDO_EXT ParentFdoExt);
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BOOLEAN ValidateMsExtendedConfigDescriptor(IN PMS_EXT_CONFIG_DESC MsExtConfigDesc, IN PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor);
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NTSTATUS GetDeviceText(PFUNCTION_PDO_EXT functionPdoExt, PIRP irp);
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NTSTATUS EnqueueFunctionWaitWakeIrp(PFUNCTION_PDO_EXT functionPdoExt, PIRP irp);
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VOID FunctionWaitWakeIrpCancelRoutine(IN PDEVICE_OBJECT deviceObject, IN PIRP irp);
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NTSTATUS SubmitParentWaitWakeIrp(PPARENT_FDO_EXT parentFdoExt);
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NTSTATUS ParentWaitWakeComplete(IN PDEVICE_OBJECT deviceObject, IN UCHAR minorFunction, IN POWER_STATE powerState, IN PVOID context, IN PIO_STATUS_BLOCK ioStatus);
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VOID CompleteAllFunctionWaitWakeIrps(PPARENT_FDO_EXT parentFdoExt, NTSTATUS status);
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VOID CompleteAllFunctionIdleIrps(PPARENT_FDO_EXT parentFdoExt, NTSTATUS status);
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VOID InstallExtPropDesc(IN PFUNCTION_PDO_EXT FunctionPdoExt);
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VOID InstallExtPropDescSections(PDEVICE_OBJECT DeviceObject, PMS_EXT_PROP_DESC pMsExtPropDesc);
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NTSTATUS ParentDeviceControl(PPARENT_FDO_EXT parentFdoExt, PIRP irp);
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VOID CompleteFunctionIdleNotification(PFUNCTION_PDO_EXT functionPdoExt);
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VOID CheckParentIdle(PPARENT_FDO_EXT parentFdoExt);
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NTSTATUS ParentSetD0(IN PPARENT_FDO_EXT parentFdoExt);
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NTSTATUS USBC_SetContentId(IN PIRP irp, IN PVOID pKsProperty, IN PVOID pvData);
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NTSTATUS RegQueryGenericCompositeUSBDeviceString(PWCHAR *GenericCompositeUSBDeviceString);
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