PCI Express Terms and Acronyms (Three)

cold reset	A Fundamental Reset following the application of power.
Completer	The Function that terminates or “completes” a given Request, and generates a Completion if appropriate. Generally the Function targeted by the Request serves as the Completer. For cases when an uncorrectable error prevents the Request from reaching its targeted Function, the Function that detects and handles the error serves as the Completer.
Completer Abort, CA	1. A status that applies to a posted or non-posted Request that the Completer is permanently unable to complete successfully, due to a violation of the Completer’s programming model or to an unrecoverable error associated with the Completer. 2. A status indication returned with a Completion for a non-posted Request that suffered a Completer Abort at the Completer.
Completer ID	The combination of a Completer's Bus Number, Device Number, and Function Number that uniquely identifies the Completer of the Request. With an ARI Completer ID, bits traditionally used for the Device Number field are used instead to expand the Function Number field, and the Device Number is implied to be 0.
Completion	A Packet used to terminate, or to partially terminate, a transaction sequence. A Completion always corresponds to a preceding Request, and, in some cases, includes data.
component	A physical device (a single package).
Configuration Space	One of the four address spaces within the PCI Express architecture. Packets with a Configuration Space address are used to configure a Function within a device.
conventional PCI	Behavior or features that conform to the PCI Local Bus Specification, Revision 3.0.
Conventional Reset	A Hot, Warm, or Cold reset. Distinct from Function Level Reset (FLR).
Data Link Layer	The intermediate Layer that is between the Transaction Layer and the Physical Layer.