Datasheet

Processor Configuration Registers
112 Datasheet, Volume 2
2.9.4 EPVC0RCAP—EP VC 0 Resource Capability Register
B/D/F/Type: 0/0/0/PXPEPBAR
Address Offset: 10–13h
Reset Value: 0000_0001h
Access: RO
Bit Attr
Reset
Value
Description
31:24 RO 00h
Reserved for Port Arbitration Table Offset
No VC0 port arbitration necessary.
23 RO 0b Reserved
22:16 RO 00h
Reserved for Maximum Time Slots
No VC0 port arbitration necessary.
15 RO 0b
Reject Snoop Transactions (RSNPT)
0 = Transactions with or without the No Snoop bit set within the TLP header
are allowed on this VC.
1 = When Set, any transaction for which the No Snoop attribute is applicable
but is not Set within the TLP Header will be rejected as an Unsupported
Request.
14:8 RO 00h Reserved
7:0 RO 01h
Port Arbitration Capability (PAC)
This field indicates types of Port Arbitration supported by this VC0 resource.
The Reset Value of 01h indicates that the only port arbitration capability for
VC0 is non-configurable, hardware-fixed arbitration scheme.