The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 25, 2020
Filed:
Feb. 27, 2017
International Business Machines Corporation, Armonk, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A mechanism for enumerating Peripheral Component interconnect (PCI) Express (PCIe) devices within a data processing system is provided. Responsive to a reset of the data processing system, Peripheral Component interconnect (PCI) enumeration information for a set of PCIe devices coupled to the data processing system is read from a processor register. The PCI enumeration information is stored in an address space. PCI enumeration of the PCIe devices is skipped and the PCI enumeration information stored in the address space is presented to the operating system (OS) of the data processing system in order that the OS maintaining the PCIe devices using the PCI enumeration information.