DMIBAR Registers—Direct Media Interface (DMI) RCRB
R
7.1.9
DMIVC1RCTL1—DMI VC1 Resource Control
MMIO Range:
Address Offset:
Default Value:
Access:
DMIBAR
020h
00100000h
R/W, RO
32 bits
Size:
This register controls the resources associated with Virtual Channel 1.
Bit
Access &
Default
Description
Virtual Channel Enable (EN):
0 = Disable.
31
R/W
0b
1 = Enable.
30:27
26:24
RO
0h
Reserved
R/W
Virtual Channel Identifier (ID): This field indicates the ID to use for this virtual
001b
channel.
23:20
19:17
Reserved
R/W
0h
Port Arbitration Select (PAS): This field indicates which port table is being
programmed. The only permissible value of this field is 4h for the time-based
WRR entries.
16:8
7:1
Reserved
R/W
00h
Transaction Class / Virtual Channel Map (TVM): This field indicates which
transaction classes are mapped to this virtual channel. When a bit is set, this
transaction class is mapped to the virtual channel.
0
Reserved
7.1.10
DMIVC1RSTS—DMI VC1 Resource Status
MMIO Range:
Address Offset:
Default Value:
Access:
DMIBAR
026h
0000h
RO
Size:
16 bits
This register reports the Virtual Channel specific status.
Bit
Access &
Default
Description
15:2
1
Reserved
RO
0b
VC Negotiation Pending (NP):
0 = Virtual channel is Not being negotiated with ingress ports.
1 = Virtual channel is still being negotiated with ingress ports.
Reserved
0
Datasheet
121
INTEL [ INTEL ]
