公开(公告)号：US20190228145A1

公开(公告)日：2019-07-25

申请号：US16370921

申请日：2019-03-30

Applicant: Vedvyas Shanbhogue ,  Ravi Sahita ,  Abhishek Basak ,  Pradeep Pappachan ,  Utkarsh Kakaiya ,  Ravi Sahita ,  Rupin Vakharwala

Inventor： Vedvyas Shanbhogue ,  Ravi Sahita ,  Abhishek Basak ,  Pradeep Pappachan ,  Utkarsh Kakaiya ,  Ravi Sahita ,  Rupin Vakharwala

IPC: G06F21/44 ,  G06F13/16 ,  G06F3/06

Abstract: Systems, methods, and apparatuses relating to performing an attachment of an input-output memory management unit (IOMMU) to a device, and a verification of the attachment. In one embodiment, a protocol and IOMMU extensions are used by a secure arbitration mode (SEAM) module and/or circuitry to determine if the IOMMU that is attached to the device requested to be mapped to a trusted domain.