Method for efficient access of data stored in a nexus table using queue tag indexes in a table portion

Claim 1

A computing system having a plurality of devices connected to a bus, data transactions between the plurality of devices being identified using a target number and a logic unit number and being optionally additionally identified using a queue tag, a first device of the plurality of devices comprising: data scripts which include code which script data transactions for the first device; processor means, coupled to the data scripts, for executing the data scripts; and, a nexus table which stores entries for suspended data transactions, each entry pointing to a location within the data scripts, the nexus table including: a first table portion in which are stored entries which are for suspended data transactions which are identified using a target number and a logic unit number and which are not additionally identified using a queue tag, the entries within the first table portion being indexed using the target number and the logic unit number, and a second table portion, in a different section of the nexus table than the first table portion, in which are stored entries which are for suspended data transactions which are identified using a target number, a logic unit number and a queue tag, the entries within the second table portion being indexed using the queue tag but not using the target number and the logic unit number.