## MMPM/2 Device Driver Reference

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### SHD_REPORT_INT - Syntax

This message is used by the physical device driver to report interrupts from a device and indicate that a new buffer is needed for consumption.

pParmIn (PSHD_REPORTINT) A pointer to a SHD_REPORTINT data structure.

rc (ULONG) Return codes indicating success or type of failure:

NO_ERROR Success.

ERROR_INVALID_FUNCTION Illegal function requested.

ERROR_INVALID_STREAM Invalid stream handle.

ERROR_DEVICE_UNDERRUN There was a device data underrun.

ERROR_DEVICE_OVERRUN There was a device data overrun.

FAILURE Stream-handler-specific error return code.