Datasheet

Intel
®
Xeon
®
Processor E7-2800/4800/8800 v2 Product Family 401
Datasheet Volume Two: Functional Description, February 2014
Integrated I/O (IIO) Configuration Registers
14.7.1 VTD[0:1]_VERSION
Intel
®
VT-d Version Number.
14.7.2 VTD[0:1]_CAP
Intel
®
VT-d Capabilities.
VTD1_INV_COMP_EVT_UPRADDR 0x10ac 32
VTD1_INTR_REMAP_TABLE_BASE 0x10b8 64
VTD1_FLTREC0_GPA 0x1100 64
VTD1_FLTREC0_SRC 0x1108 64
VTD1_INVADDRREG 0x1200 64
VTD1_IOTLBINV 0x1208 64
Register name Offset Size
Type: MEM PortID: 8’h7e
Bus: 0 Device: 5Function:0
Offset: 0x0 , 0x1000
Bit Attr Default Description
31:8 RV - Reserved.
7:4 RO 0x1 major_revision:
3:0 RO 0x0 minor_revision:
Type: MEM PortID: 8’h7e
Bus: 0 Device: 5Function:0
Offset: 0x8, 0x1008
Bit Attr Default Description
63:56 RV - Reserved.
55:55 RO 0x1
dma_read_draining:
The processor supports hardware based draining
54:54 RO 0x1
dma_write_draining:
The processor supports hardware based write draining
53:48 RO 0x12
mamv:
The processor support MAMV value of 12h (up to 1G super pages).
47:40 RO 0x7
number_of_fault_recording_registers:
The processor supports 8 fault recording registers
39:39 RO 0x1
page_selective_invalidation:
Supported in IIO
38:38 RV - Reserved.
37:34 RW_O 0x3
super_page_support:
2 MB, 1G supported.