Direct Memory Interface (DMI) Registers
7.1.10
DMIVC1RSTS—DMI VC1 Resource Status
B/D/F/Type:
Address Offset:
Default Value:
Access:
0/0/0/DMIBAR
26–27h
0002h
RO
16 bits
Size:
This register reports the Virtual Channel specific status.
Bit
15:2
1
Access &
Default
Description
RO
0000h
Reserved
RO
1b
Virtual Channel 1 Negotiation Pending (VC1NP):
0 = The VC negotiation is complete.
1 = The VC resource is still in the process of negotiation (initialization
or disabling).
0
RO
0b
Reserved
7.1.11
DMILCAP—DMI Link Capabilities
B/D/F/Type:
Address Offset:
Default Value:
Access:
0/0/0/DMIBAR
84–87h
00012C41h
RO, RWO
32 bits
Size:
This register indicates DMI specific capabilities.
Bit
Access &
Default
Description
31:18
17:15
RO
0000h
Reserved
RWO
010b
L1 Exit Latency (L1SELAT): This field indicates the length of time
this Port requires to complete the transition from L1 to L0.
010b = 2 us to less than 4 us.
14:12
RWO
010b
L0s Exit Latency (L0SELAT): This field indicates the length of time
this Port requires to complete the transition from L0s to L0.
010 = 128 ns to less than 256 ns
11:10
9:4
RO
11b
Active State Link PM Support (ASLPMS): L0s & L1 entry
supported.
RO
Max Link Width (MLW): This field indicates the maximum number
04h
of lanes supported for this link.
3:0
RO
1h
Max Link Speed (MLS): Hardwired to indicate 2.5 Gb/s.
Datasheet
221
INTEL [ INTEL ]
