Intel E7-8891 v2 CM8063601377422 用户手册

Intel

®

 Xeon

® 

Processor E7-2800/4800/8800 v2 Product Family

411

Datasheet Volume Two: Functional Description, February 2014

Intel

®

VT-d Fault Event Address.

Intel

®

VT-d Protect Memory Enable.

31:2

RW

0x0

interrupt_address:

The interrupt address is interpreted as the address of any other interrupt 

from a PCI Express port.

1:0

RV

-

Reserved (Rsvd):

Reserved.

31:0

RW

0x0

address:

31:31

RW

0x0

protmemen:

Enable Protected Memory PROT_LOW_BASE/LIMIT and 

PROT_HIGH_BASE/LIMIT memory regions.
Software can use the protected low/high address ranges to protect both the 

DMA remapping tables and the interrupt remapping tables. There is no 

separate set of registers provided for each.

30:1

RV

-

Reserved.

0:0

RO_V

0x0

protregionsts:

This bit is set by the processor whenever it has completed enabling the 

protected memory region per the rules stated in the Intel

®

VT-d spec