Leaked source code of windows server 2003
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/*++
Copyright (c) Microsoft Corporation. All rights reserved.
Module Name:
usbbusif.h
Abstract:
Environment:
Kernel mode
Revision History:
6-20-99 : created
--*/
#ifndef __USBBUSIF_H__
#define __USBBUSIF_H__
typedef PVOID PUSB_DEVICE_HANDLE;
#ifndef USB_BUSIFFN
#define USB_BUSIFFN __stdcall
#endif
/****************************************************************************
Bus interfce for USB CLIENT DRIVERS
*****************************************************************************/
/*
The following bus interface is defined for client drivers
as an alternative to linking directly with USBD
It provides interfaces that may be called at Raised IRQL
without allocating an IRP
*/
/*
NTSTATUS
USBPORT_SubmitIsoOutUrb(
IN PVOID BusContext,
IN PURB Urb
);
Routine Description:
Service exported for Real-Time Thread support. Allows a driver
to submit a request without going thru IoCallDriver or allocating
an Irp.
Additionally the request is scheduled while at high IRQL. The driver
forfeits any packet level error information when calling this function.
IRQL = ANY
Arguments:
BusContext - Handle returned from get_bus_interface
Urb -
*/
typedef NTSTATUS
(USB_BUSIFFN *PUSB_BUSIFFN_SUBMIT_ISO_OUT_URB) (
IN PVOID,
IN PURB
);
/*
VOID
USBPORT_GetUSBDIVersion(
IN PVOID BusContext,
IN OUT PUSBD_VERSION_INFORMATION VersionInformation,
IN OUT PULONG HcdCapabilities
);
Routine Description:
Service Returns the Highest USBDI Interface Version supported
by the port driver.
Released Interface Vesrions are:
Win98Gold,usbd 0x00000102
Win98SE,usbd 0x00000200
Win2K,usbd 0x00000300
Win98M (Millenium),usbd 0x00000400
Usbport 0x00000500
IRQL = ANY
Arguments:
VersionInformation - Ptr to USBD_VERSION_INFORMATION
HcdCapabilities - Ptr to ULONG that will be filled in with
the Host controller (port) driver capability flags.
*/
/*
Host Controller 'Port' driver capabilities flags
*/
#define USB_HCD_CAPS_SUPPORTS_RT_THREADS 0x00000001
typedef VOID
(USB_BUSIFFN *PUSB_BUSIFFN_GETUSBDI_VERSION) (
IN PVOID,
IN OUT PUSBD_VERSION_INFORMATION,
IN OUT PULONG
);
/*
NTSTATUS
USBPORT_QueryBusTime(
IN PVOID BusContext,
IN OUT PULONG CurrentUsbFrame
);
Routine Description:
Returns the current 32 bit USB frame number. The function
replaces the USBD_QueryBusTime Service.
IRQL = ANY
Arguments:
*/
typedef NTSTATUS
(USB_BUSIFFN *PUSB_BUSIFFN_QUERY_BUS_TIME) (
IN PVOID,
IN PULONG
);
/*
NTSTATUS
USBPORT_BusEnumLogEntry(
PVOID BusContext,
ULONG DriverTag,
ULONG EnumTag,
ULONG P1,
ULONG P2
);
Routine Description:
IRQL = ANY
Arguments:
*/
typedef NTSTATUS
(USB_BUSIFFN *PUSB_BUSIFFN_ENUM_LOG_ENTRY) (
IN PVOID,
IN ULONG,
IN ULONG,
IN ULONG,
IN ULONG
);
/*
NTSTATUS
USBPORT_QueryBusInformation(
IN PVOID BusContext,
IN ULONG Level,
IN OUT PVOID BusInformationBuffer,
IN OUT PULONG BusInformationBufferLength,
OUT PULONG BusInformationActualLength
);
Routine Description:
IRQL = ANY
Arguments:
*/
typedef struct _USB_BUS_INFORMATION_LEVEL_0 {
/* bandwidth in bits/sec */
ULONG TotalBandwidth;
/* mean bandwidth consumed in bits/sec */
ULONG ConsumedBandwidth;
} USB_BUS_INFORMATION_LEVEL_0, *PUSB_BUS_INFORMATION_LEVEL_0;
typedef struct _USB_BUS_INFORMATION_LEVEL_1 {
/* bandwidth in bits/sec */
ULONG TotalBandwidth;
/* mean bandwidth consumed in bits/sec */
ULONG ConsumedBandwidth;
/*
controller 'unicode' symbolic name
*/
ULONG ControllerNameLength;
WCHAR ControllerNameUnicodeString[1];
} USB_BUS_INFORMATION_LEVEL_1, *PUSB_BUS_INFORMATION_LEVEL_1;
typedef NTSTATUS
(USB_BUSIFFN *PUSB_BUSIFFN_QUERY_BUS_INFORMATION) (
IN PVOID,
IN ULONG,
IN OUT PVOID,
IN OUT PULONG,
OUT PULONG
);
/*
BOOLEAN
USBPORT_IsDeviceHighSpeed(
IN PVOID BusContext
);
Routine Description:
Returns true if device is operating at high speed
IRQL = ANY
Arguments:
*/
typedef BOOLEAN
(USB_BUSIFFN *PUSB_BUSIFFN_IS_DEVICE_HIGH_SPEED) (
IN PVOID
);
#define USB_BUSIF_USBDI_VERSION_0 0x0000
#define USB_BUSIF_USBDI_VERSION_1 0x0001
#define USB_BUSIF_USBDI_VERSION_2 0x0002
// {B1A96A13-3DE0-4574-9B01-C08FEAB318D6}
DEFINE_GUID(USB_BUS_INTERFACE_USBDI_GUID,
0xb1a96a13, 0x3de0, 0x4574, 0x9b, 0x1, 0xc0, 0x8f, 0xea, 0xb3, 0x18, 0xd6);
/*
Note: that this version must remain unchanged, this is the
version that is supported by USBD in Win2k and WinMe
*/
typedef struct _USB_BUS_INTERFACE_USBDI_V0 {
USHORT Size;
USHORT Version;
PVOID BusContext;
PINTERFACE_REFERENCE InterfaceReference;
PINTERFACE_DEREFERENCE InterfaceDereference;
// interface specific entries go here
// the following functions must be callable at high IRQL,
// (ie higher than DISPATCH_LEVEL)
PUSB_BUSIFFN_GETUSBDI_VERSION GetUSBDIVersion;
PUSB_BUSIFFN_QUERY_BUS_TIME QueryBusTime;
PUSB_BUSIFFN_SUBMIT_ISO_OUT_URB SubmitIsoOutUrb;
PUSB_BUSIFFN_QUERY_BUS_INFORMATION QueryBusInformation;
} USB_BUS_INTERFACE_USBDI_V0, *PUSB_BUS_INTERFACE_USBDI_V0;
/*
New extensions for Windows XP
*/
typedef struct _USB_BUS_INTERFACE_USBDI_V1 {
USHORT Size;
USHORT Version;
PVOID BusContext;
PINTERFACE_REFERENCE InterfaceReference;
PINTERFACE_DEREFERENCE InterfaceDereference;
// interface specific entries go here
// the following functions must be callable at high IRQL,
// (ie higher than DISPATCH_LEVEL)
PUSB_BUSIFFN_GETUSBDI_VERSION GetUSBDIVersion;
PUSB_BUSIFFN_QUERY_BUS_TIME QueryBusTime;
PUSB_BUSIFFN_SUBMIT_ISO_OUT_URB SubmitIsoOutUrb;
PUSB_BUSIFFN_QUERY_BUS_INFORMATION QueryBusInformation;
PUSB_BUSIFFN_IS_DEVICE_HIGH_SPEED IsDeviceHighSpeed;
} USB_BUS_INTERFACE_USBDI_V1, *PUSB_BUS_INTERFACE_USBDI_V1;
/*
New extensions for Windows XP
*/
typedef struct _USB_BUS_INTERFACE_USBDI_V2 {
USHORT Size;
USHORT Version;
PVOID BusContext;
PINTERFACE_REFERENCE InterfaceReference;
PINTERFACE_DEREFERENCE InterfaceDereference;
// interface specific entries go here
// the following functions must be callable at high IRQL,
// (ie higher than DISPATCH_LEVEL)
PUSB_BUSIFFN_GETUSBDI_VERSION GetUSBDIVersion;
PUSB_BUSIFFN_QUERY_BUS_TIME QueryBusTime;
PUSB_BUSIFFN_SUBMIT_ISO_OUT_URB SubmitIsoOutUrb;
PUSB_BUSIFFN_QUERY_BUS_INFORMATION QueryBusInformation;
PUSB_BUSIFFN_IS_DEVICE_HIGH_SPEED IsDeviceHighSpeed;
PUSB_BUSIFFN_ENUM_LOG_ENTRY EnumLogEntry;
} USB_BUS_INTERFACE_USBDI_V2, *PUSB_BUS_INTERFACE_USBDI_V2;
#endif /* __USBBUSIF_H */