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:
Sep. 26, 2023
Filed:
Mar. 15, 2018
Applicant:
Hewlett-packard Development Company, L.p., Spring, TX (US);
Inventors:
Wei Ze Liu, Spring, TX (US);
Monji G Jabori, Spring, TX (US);
Assignee:
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/79 (2013.01); G06F 21/85 (2013.01);
U.S. Cl.
CPC ...
G06F 21/79 (2013.01); G06F 21/85 (2013.01);
Abstract
An example apparatus can receive a DMA request from a device, where the DMA request comprises an address and an ID of the device that uniquely identifies the device and wherein the device is a bus mastering device. The example apparatus can access a range of addresses using the ID of the device. An example apparatus can determine whether the address is in the range of addresses and can process the DMA request responsive to verifying that the address is in the range of addresses.