Direct Memory Interface (DMI) Registers
7.1.4
DMIPVCCTL—DMI Port VC Control
B/D/F/Type:
Address Offset:
Default Value:
Access:
0/0/0/DMIBAR
0C–0Dh
0000h
RO, RW
16 bits
Size:
Bit
15:4
3:1
Access &
Description
Default
RO
000h
Reserved
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.
Reserved
0
RO
0b
7.1.5
DMIVC0RCAP—DMI VC0 Resource Capability
B/D/F/Type:
Address Offset:
Default Value:
Access:
0/0/0/DMIBAR
10–13h
00000001h
RO
Size:
32 bits
Bit
31:16
15
Access &
Description
Default
RO
00000h
Reserved
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 = Any transaction without the No Snoop bit set within the TLP
header will be rejected as an Unsupported Request.
14:8
7:0
RO
00h
Reserved
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.
Datasheet
217