Intel E7-8891 v2 CM8063601377422 Manual Do Utilizador

Intel

®

 Xeon

® 

Processor E7-2800/4800/8800 v2 Product Family

301

Datasheet Volume Two: Functional Description, February 2014

DMI VC0 Resource Status.

Reports the Virtual Channel specific status. 

DMI VC1 Resource Capability

15:2

RV

-

Reserved  

1:1

RO_V

0x1

vc0np:

Virtual Channel 0 Negotiation Pending  
0: The VC negotiation is complete.
1: The VC resource is still in the process of negotiation (initialization or disabling).
This bit indicates the status of the process of Flow Control initialization. It is set by 

default on Reset, as well as whenever the corresponding Virtual Channel is 

Disabled or the Link is in the DL_Down state.
It is cleared when the link successfully exits the FC_INIT2 state.
BIOS Requirement: Before using a Virtual Channel, software must check whether 

the VC Negotiation Pending fields for that Virtual Channel are cleared in both 

Components on a Link. 

0:0

RV

-

Reserved  

31:16 RV

0x0

Reserved  

15:15 RO

0x1

rejsnpt:

Reject Snoop Transactions  
0: Transactions with or without the No Snoop bit set within the TLP header are 

allowed on this VC.
1: Any transaction without the No Snoop bit set within the TLP header will be 

rejected as an Unsupported Request. 

14:0

RV

-

Reserved