Patent ID: 8615622
Filing Date: 2013-12-24
Classification: G06F

Abstract:
1. A system for implementing non-standard I/O adapters in a standardized I/O architecture, the system comprising: an I/O hub communicatively coupled to an I/O bus and at least one I/O adapter, the I/O hub including logic for implementing a method, the method comprising: receiving a request to perform an operation on the I/O adapter from a requester at a requester address, the I/O adapter at a destination address; determining that the request is in a non-peripheral component interconnect (PCI) format, the I/O bus expecting a PCI formatted request with a requester identifier at a first location in a header of the request; reformatting the request into the PCI format supported by the I/O bus, the reformatting comprising storing the requester address, the destination address and an operation code at the first location in the header of the PCI formatted request; and sending the PCI formatted request to the I/O adapter.