Datasheet

Datasheet 261
Direct Media Interface (DMI) RCRB
9.3 DMIPVCCTL—DMI Port VC Control
B/D/F/Type: 0/0/0/DMIBAR
Address Offset: C–Dh
Default Value: 0000h
Access: RO, RW
Size: 16 bits
9.4 DMIVC0RCAP—DMI VC0 Resource Capability
B/D/F/Type: 0/0/0/DMIBAR
Address Offset: 10–13h
Default Value: 00000001h
Access: RO
Size: 32 bits
Bit Access
Default
Value
Description
15:4 RO 000h Reserved
3:1 RW 000b
VC Arbitration Select (VCAS): This field will be programmed by software to
the only possible value as indicated in the VC Arbitration Capability field.
See the PCI express specification for more details
0 RO 0b Reserved
Bit Access
Default
Value
Description
31:16 RO 0s Reserved
15 RO 0b
Reject Snoop Transactions (REJSNPT):
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): Having only bit 0 set indicates that the
only supported arbitration scheme for this VC is non-configurable hardware-
fixed.