Intel E7-8891 v2 CM8063601377422 User Manual

Product codes
CM8063601377422
Page of 504
Integrated I/O (IIO) Configuration Registers
248
Intel
®
 Xeon
® 
Processor E7-2800/4800/8800 v2 Product Family
Datasheet Volume Two: Functional Description, February 2014
14.2.64 ACSCAPHDR
Access Control Services Extended Capability Header.
14.2.65 ACSCAP
Access Control Services Capability Register.
Type:
CFG
PortID:
N/A
Bus:
0
Device:
0Function:0 (PCIe* Mode)
Bus:
0
Device:
2Function:0-3
Bus:
0
Device:
3Function:0-3
Offset:
0x110
Bit
Attr
Default
Description
31:20
RO_V
0x148
next_capability_offset:
This field points to the next Capability in extended configuration space.
In PCIe* Mode, it points to the Advanced Error Capability.
19:16
RO
0x1
capability_version:
Set to 1h for this version of the PCI Express logic
15:0
RO
0xd
pci_express_extended_cap_id:
Assigned for Access Control Services capability by PCISIG. 
Type:
CFG
PortID:
N/A
Bus:
0
Device:
0Function:0 (PCIe* mode)
Bus:
0
Device:
2Function:0-3
Bus:
0
Device:
3Function:0-3
Offset:
0x114
Bit
Attr
Default
Description
15:8
RO
0x0
egress_control_vector_size:
N/A for IIO
7:7
RV
-
Reserved.
6:6
RO
0x0
t:
Applies only to root ports. Indicates that the component 
does not implement ACS Direct Translated P2P.
5:5
RO
0x0
e:
Applies only to root ports. Indicates that the component 
does not implement ACS P2P Egress Control.
4:4
RO_V (Device 2 and 3 
Function 0)
RO (Device 0 Function 0, 
Device 2 and 3 Function 1-3)
0x1
u:
Applies only to root ports. Indicates that the component 
implements ACS Upstream Forwarding.
3:3
RO_V (Device 2 and 3 
Function 0)
RO (Device 0 Function 0, 
Device 2 and 3 Function 1-3)
0x1
c:
Applies only to root ports. Indicates that the component 
implements ACS P2P Completion Redirect.
2:2
RO_V (Device 2 and 3 
Function 0)
RO (Device 0 Function 0, 
Device 2 and 3 Function 1-3)
0x1
r:
Applies only to root ports. Indicates that the component 
implements ACS P2P Request Redirect.
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