US Patent Issued to MIPS Tech on March 31 for "Virtualized-in-hardware Input Output Memory Management" (California Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,368, issued on March 31, was assigned to MIPS Tech LLC (San Jose, Calif.).

"Virtualized-in-hardware Input Output Memory Management" was invented by Sanjay Patel (San Ramon, Calif.) and Ranjit J. Rozario (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects relate to Input/Output (IO) Memory Management Units (MMUs) that include hardware structures for implementing virtualization. Some implementations allow guests to setup and maintain device IO tables within memory regions to which those guests have been given permissions by a hypervisor. Some implementations provide hardware page table walking capability within the IOMMU, while ...