DMIBAR Registers—Direct Media Interface (DMI) RCRB
R
7.1.7
DMIVC0RSTS—DMI VC0 Resource Status
MMIO Range:
Address Offset:
Default Value:
Access:
DMIBAR
01Ah
00000002h
RO
Size:
16 bits
This register reports the Virtual Channel specific status.
Bit
Access &
Default
Description
15:2
1
Reserved
RO
1b
VC Negotiation Pending (NP):
0 = Virtual channel is Not being negotiated with ingress ports.
1 = Virtual channel is still being negotiated with ingress ports.
0
RO
0b
Port Arbitration Tables Status (ATS): There is no port arbitration table for this
VC, so this bit is reserved at 0.
7.1.8
DMIVC1RCAP—DMI VC1 Resource Capability
MMIO Range:
Address Offset:
Default Value:
Access:
DMIBAR
01Ch
00008001h
RO
Size:
32 bits
Bit
Access &
Default
Description
31:24
RO
00h
Port Arbitration Table Offset (AT): This field indicates the location of the port
arbitration table in the root complex. A value of 3h indicates the table is at offset
30h.
23
Reserved
22:16
RO
Maximum Time Slots (MTS): This value is updated by platform BIOS based upon
00h
the determination of the number of time slots available in the platform.
15
14
RO
1b
Reject Snoop Transactions (RTS): All snoopable transactions on VC1 are
rejected. This VC is for isochronous transfers only.
RO
0b
Advanced Packet Switching (APS): This VC is capable of all transactions, not
just advanced packet switching transactions.
13:8
7:0
Reserved
RO
Port Arbitration Capability (PAC): This field indicates the port arbitration
01h
capability is time-based WRR of 128 phases.
120
Datasheet
INTEL [ INTEL ]
