UsbBuildGetStatusRequest - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// usbdlib.h

void UsbBuildGetStatusRequest(
  [in, out]      urb,
  [in]           op,
  [in]           index,
  [in, optional] transferBuffer,
  [in, optional] transferBufferMDL,
  [in]           link
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-usbdlib-usbbuildgetstatusrequest)

UsbBuildGetStatusRequest macro

Description

The UsbBuildGetStatusRequest macro formats an URB to obtain status from a device, interface, endpoint, or other device-defined target on a USB device.

Parameters

urb [in, out]

Pointer to an URB to be formatted as a status request.

op [in]

Specifies one of the following values:

URB_FUNCTION_GET_STATUS_FROM_DEVICE

Retrieves status from a USB device.

URB_FUNCTION_GET_STATUS_FROM_INTERFACE

Retrieves status from an interface on a USB device.

URB_FUNCTION_GET_STATUS_FROM_ENDPOINT

Retrieves status from an endpoint for an interface on a USB device.

URB_FUNCTION_GET_STATUS_FROM_OTHER

Retrieves status from a device-defined target on a USB device.

index [in]

Specifies the device-defined index, returned by a successful configuration request, if the request is for an endpoint or interface. Otherwise, Index must be zero.

transferBuffer [in, optional]

Pointer to a resident buffer to receive the status data or is NULL if an MDL is supplied in TransferBufferMDL.

transferBufferMDL [in, optional]

Pointer to an MDL that describes a resident buffer to receive the status data or is NULL if a buffer is supplied in TransferBuffer.

Reserved. Must be set to NULL.

See also

URB

USB device driver programming reference

_URB_CONTROL_GET_STATUS_REQUEST

View the official Windows Driver Kit DDI reference

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