Patents by Inventor Marcel Apfellbaum

Marcel Apfellbaum has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20180217939
    Abstract: Systems and methods for deferring registration for Direct Memory Access (DMA) operations. An example method comprises: receiving a memory region registration request identifying a memory region for a direct memory access (DMA) operation; generating a local key for the memory region; deferring registration of the memory region until receiving a DMA work request referencing the local key; and responsive to receiving the DMA work request, registering the memory region for DMA transfer.
    Type: Application
    Filed: March 22, 2018
    Publication date: August 2, 2018
    Inventors: Michael Tsirkin, Marcel Apfellbaum