1. A method of logically partitioning a plurality of resources of a single channel adapter for use in a system area network, wherein said single channel adapter is shared by different partitions, comprising: assigning a first one of said plurality of resources to a first partition; assigning a second one of said plurality of resources to a second partition; and enforcing partitioning of said plurality of resources by permitting access to said first one of said plurality of resources by said first partition and permitting access to said second one of said plurality of resources by said second partition.