CPC G06F 12/1009 (2013.01) [G06F 9/45558 (2013.01); G06F 12/063 (2013.01); G06F 12/1081 (2013.01); G06F 2009/45579 (2013.01); G06F 2009/45583 (2013.01); G06F 2009/45591 (2013.01)] | 16 Claims |
1. An apparatus comprising:
first circuitry to use at least an identifier of a device to locate a context entry, the context entry to include at least one of a page-table pointer to a page-table translation structure and a process address space identifier (PASID); and
second circuitry to use at least the PASID to locate a PASID-entry, the PASID-entry to include at least one of a first-level page-table pointer to a first-level translation structure and a second-level page-table pointer to a second-level translation structure;
wherein the PASID is to be supplied by the device; and
wherein at least one of the apparatus and the context entry is to include one or more control fields to indicate which of the first-level page-table pointer and the second-level page-table pointer is to be used.
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