QG82945GSE S LB2R Intel, QG82945GSE S LB2R Datasheet - Page 216

• Manufacturer Part Number: QG82945GSE S LB2R
• Description: GRAPHICS AND MEM CNTRL HUB; No. of Pins: 998; Package / Case: FCBGA; Interface Type: PCI, SATA, USB
• Manufacturer: Intel

6.7.5
6.7.6
216
EPVC0RCTL - EP VC 0 Resource Control
B/D/F/Type:
Address Offset:
Default Value:
Access:
Size:
Controls the resources associated with Egress Port Virtual Channel 0.
EPVC0RSTS - EP VC 0 Resource Status
B/D/F/Type:
Address Offset:
Default Value:
Access:
Size:
Reports the Virtual Channel specific status.
30:27
26:24
23:20
19:17
16:8
15:2
7:1
Bit
Bit
31
0
1
0
Access
Access
R/W
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Default
Default
Value
Value
0000h
000h
000b
000b
7Fh
1b
0h
0h
1b
0b
0b
VC0 Enable:
For VC0 this is hardwired to 1 and read only.
Reserved
VC0 ID:
For VC0 this is hardwired to 0 and read only.
Reserved
Port Arbitration Select (PAS):
This field configures the VC resource to provide a particular Port
Arbitration service.
Reserved
TC/VC0 Map (TCVC0M):
Indicates the TCs (Traffic Classes) that are mapped to the VC
resource.
Reserved
Reserved
VC0 Negotiation Pending (VC0NP):
(initialization or disabling).
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.
Reserved
0: The VC negotiation is complete.
1: The VC resource is still in the process of negotiation
0/0/0/EPBAR
14-17h
800000FFh
R/W; RO
32 bits
0/0/0/EPBAR
1A-1Bh
0000h
RO
16 bits
Description
Description
Device 0 Memory Mapped I/O Register
Datasheet