DISCOVERY BY OPERATING SYSTEM OF INFORMATION RELATING TO ADAPTER FUNCTIONS ACCESSIBLE TO THE OPERATING SYSTEM

摘要

A tiered discovery capability is employed to obtain attributes regarding adapters of an I/O configuration. The first tier obtains a list of the adapter functions accessible to an operating system; the second tier obtains attributes regarding a selected adapter function of the list of adapter functions; and a third tier obtains common attributes of a group of adapter functions, the group including the selected adapter function.