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303 lines
6.8 KiB
303 lines
6.8 KiB
/*++
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Copyright (c) 1993 Microsoft Corporation
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Copyright (c) 1996 Intel Corporation
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Module Name:
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ISOPERF.h
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Abstract:
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Header file for the ISOPERF USB Device Driver
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Environment:
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Kernel & user mode
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Revision History:
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8-15-96 : created by Kosar Jaff
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--*/
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#ifdef DRIVER
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extern ULONG gIsoPerfMaxDebug;
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extern PDEVICE_OBJECT gMyOutputDevice;
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#define ISOPERF_NAME_MAX 64
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#define USB_CLASS_CODE_TEST_CLASS_DEVICE 0xdc
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#define USB_SUBCLASS_CODE_TEST_CLASS_ISO 0x50
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#define USB_PROTOCOL_CODE_TEST_CLASS_INPATTERN_ALT 0x00 //In ISO w/ Pattern coming back (sof #) -original setting
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#define USB_PROTOCOL_CODE_TEST_CLASS_INPATTERN 0x10 //In ISO w/ Pattern coming back (sof #)
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#define USB_PROTOCOL_CODE_TEST_CLASS_OUTINTERR 0x80 //Out with interrupt coming back
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#define USB_PROTOCOL_CODE_TEST_CLASS_OUTNOCHEK 0x90 //Out with no checks for hiccups
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//modes
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#define ISOPERF_MODE_USE_POOL 0
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#define ISOPERF_MODE_USE_MDL 1
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//options
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#define ISOPERF_OPT_NONE 0
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/*
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// This is an unused structure in this driver, but is provided here
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// so when you extend the driver to deal with USB pipes, you may wish
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// to use this structure as an example or model.
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*/
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typedef struct _ISOPERF_PIPE {
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ULONG Mode;
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ULONG Option;
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ULONG Param1;
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ULONG Param2;
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PUSBD_PIPE_INFORMATION PipeInfo;
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} ISOPERF_PIPE, *PISOPERF_PIPE;
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// Work Item structure used to start worker threads in this driver
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typedef struct _ISOPERF_WORKITEM {
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PDEVICE_OBJECT DeviceObject;
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PVOID pvBuffer;
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ULONG ulBufferLen;
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ULONG ulNumberOfFrames;
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USHORT InMaxPacket;
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USHORT Padding;
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BOOLEAN bFirstUrb;
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} ISOPERF_WORKITEM, *PISOPERF_WORKITEM;
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/*
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// The interface number on this device that this driver expects to use
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// This would be in the bInterfaceNumber field of the Interface Descriptor, hence
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// this device driver would need to know this value.
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*/
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#define SAMPLE_INTERFACE_NBR 0x00
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#define MAX_INTERFACE 0x04
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//
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// A structure representing the instance information associated with
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// this particular device.
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//
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typedef struct _DEVICE_EXTENSION {
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// physical device object
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PDEVICE_OBJECT PhysicalDeviceObject;
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// Device object we call when submitting Urbs/Irps to the USB stack
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PDEVICE_OBJECT StackDeviceObject;
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//Test Device Type (enum defined above)
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dtDeviceType dtTestDeviceType;
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//Device object that mates with this one for the Iso In->Out tests
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PDEVICE_OBJECT MateDeviceObject;
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// Indicates that we have recieved a STOP message
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ULONG Stopped;
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// Indicates that the device has been removed or disabled and we need to stop submitting transfers on it
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ULONG StopTransfers;
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// Indicates if outstanding transfers exist on this device
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ULONG DeviceIsBusy;
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// Indicates the device needs to be cleaned up (ie., some configuration
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// has occurred and needs to be torn down).
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ULONG NeedCleanup;
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// Indicates that a user request is requesting the Iso test to stop
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ULONG bStopIsoTest;
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// A counter that is decremented by the driver once the bStopIsoTest flag is set, until this
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// reaches zero, at which time the iso tests are stopped
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// NOTE: (kosar) this is done to work around a reentrancy problem
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ULONG ulCountDownToStop;
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ULONG ulNumberOfOutstandingIrps;
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// configuration handle for the configuration the
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// device is currently in
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USBD_CONFIGURATION_HANDLE ConfigurationHandle;
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// ptr to the USB device descriptor
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// for this device
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PUSB_DEVICE_DESCRIPTOR DeviceDescriptor;
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// Number of Interfaces on this device
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ULONG NumberOfInterfaces;
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// Pointers to interface info structs
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PUSBD_INTERFACE_INFORMATION Interface[MAX_INTERFACE];
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// Pointer to the configuration and status information structure (allocated at device attach)
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pConfig_Stat_Info pConfig_Stat_Information;
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// Timer stuff for timeout / watchdog code
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KTIMER TimeoutTimer;
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KDPC TimeoutDpc;
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// Name buffer for our named Functional device object link
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WCHAR DeviceLinkNameBuffer[ISOPERF_NAME_MAX];
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} DEVICE_EXTENSION, *PDEVICE_EXTENSION;
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#if DBG
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#define ISOPERF_KdPrint(_x_) DbgPrint("IPERF: "); \
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DbgPrint _x_ ;
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#define TRAP() DbgBreakPoint()
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#define ISOPERF_KdPrint_MAXDEBUG(_x_) \
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if (gIsoPerfMaxDebug==TRUE){ \
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ISOPERF_KdPrint(_x_) \
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} \
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#else
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#define ISOPERF_KdPrint(_x_)
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#define ISOPERF_KdPrint_MAXDEBUG(_x_)
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#define TRAP()
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#endif
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#ifndef max
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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#endif
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NTSTATUS
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ISOPERF_Dispatch(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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);
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VOID
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ISOPERF_Unload(
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IN PDRIVER_OBJECT DriverObject
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);
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NTSTATUS
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ISOPERF_StartDevice(
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IN PDEVICE_OBJECT DeviceObject
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);
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NTSTATUS
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ISOPERF_StopDevice(
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IN PDEVICE_OBJECT DeviceObject
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);
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NTSTATUS
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ISOPERF_RemoveDevice(
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IN PDEVICE_OBJECT DeviceObject
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);
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NTSTATUS
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ISOPERF_CallUSBD(
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IN PDEVICE_OBJECT DeviceObject,
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IN PURB Urb
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);
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NTSTATUS
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ISOPERF_PnPAddDevice(
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IN PDRIVER_OBJECT DriverObject,
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IN PDEVICE_OBJECT PhysicalDeviceObject
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);
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NTSTATUS
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ISOPERF_CreateDeviceObject(
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IN PDRIVER_OBJECT DriverObject,
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IN PDEVICE_OBJECT *DeviceObject,
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LONG Instance
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);
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NTSTATUS
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ISOPERF_ConfigureDevice(
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IN PDEVICE_OBJECT DeviceObject
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);
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NTSTATUS
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ISOPERF_Write(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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);
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NTSTATUS
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ISOPERF_Create(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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);
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NTSTATUS
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ISOPERF_Close(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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);
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NTSTATUS
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ISOPERF_Read(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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);
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NTSTATUS
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ISOPERF_SelectInterfaces(
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IN PDEVICE_OBJECT DeviceObject,
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IN PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor,
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IN PUSBD_INTERFACE_INFORMATION Interface
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);
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VOID
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ISOPERF_Cleanup(
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PDEVICE_OBJECT DeviceObject
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);
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NTSTATUS
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ISOPERF_ProcessIOCTL(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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);
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NTSTATUS
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ISOPERF_CallUSBDEx (
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IN PDEVICE_OBJECT DeviceObject,
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IN PURB Urb,
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IN BOOLEAN fBlock,
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PIO_COMPLETION_ROUTINE CompletionRoutine,
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PVOID pvContext,
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BOOLEAN fWantTimeOut
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);
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VOID
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ISOPERF_SyncTimeoutDPC(
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IN PKDPC Dpc,
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IN PVOID DeferredContext,
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IN PVOID SystemArgument1,
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IN PVOID SystemArgument2
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);
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ULONG
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ISOPERF_Internal_GetNumberOfPipes (
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PUSB_CONFIGURATION_DESCRIPTOR pCD
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);
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PVOID
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ISOPERF_ExAllocatePool(
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IN POOL_TYPE PoolType,
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IN ULONG NumberOfBytes,
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IN PULONG pTallyOfBytesAllocated
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);
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VOID
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ISOPERF_ExFreePool(
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IN PVOID P,
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IN PULONG pTallyBytesFreed
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);
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#endif //DRIVER section
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