Patent ID: 6732196
Filing Date: 2004-05-04
Classification: G06F

Abstract:
A method for dispatching input/output (I/O) access requests to an I/O device, said method comprising:assigning each of a plurality of I/O access requests to an I/O device into one of two I/O access request categories; assigning each of a plurality of I/O slots within said I/O device into one of two I/O slot categories; allowing slots belonging to a first of said two I/O slot categories to receive I/O access requests belonging only to a first of said two I/O access request categories; and allowing slots belonging to a second of said two I/O slot categories to receive I/O access requests belonging to said first and a second of said two I/O access request categories, wherein I/O access requests from said first and second of said two I/O access request categories are dispatched to a slot belonging to said second of said two I/O slot categories in a round robin fashion.