82583V Datasheet, PDF (315/374 Pages) Intel Corporation – Intel® 82583V GbE Controller

Programing Interface—82583V GbE Controller
Bits
8
9
10
11
14:12
15
R/W
RW
RW
RO
RW
RW
RO
Default
0b
0b
0b
1b
010b
0b
Description
Extended Tag field Enable
Not implemented in the 82583V.
Phantom Functions Enable
Not implemented in the 82583V.
Auxiliary Power PM Enable
When set, enables the device to draw AUX power independent of PME AUX
power. In the 82583V, this bit is hardwired to 0b.
Enable No Snoop
Snoop is gated by NONSNOOP bits in the GCR register in the CSR space.
Max Read Request Size
This field sets maximum read request size for the device as a requester. The
default value is 010b (512 bytes).
This maximum read request configuration value should not be altered on the
fly.
Reserved.
10.1.5.1.6
.
PCIe Device Status, Offset 0xEA, (RO)
This register provides information about PCIe device specific parameters.
Bits
0
1
2
3
4
5
15:6
R/W
RW1C
RW1C
RW1C
RW1C
RO
RO
RO
Default
Description
0b
0b
0b
0b
0b
0b
0x00
Correctable Detected
Indicates status of correctable error detection.
Non-Fatal Error Detected
Indicates status of non-fatal error detection.
Fatal Error Detected
Indicates status of fatal error detection.
Unsupported Request Detected
Indicates that the 82583V received an unsupported request.
Aux Power Detected
If Aux power is detected, this field is set to 1b. It is a strapping signal from
the periphery. Reset on Internal Power On Reset and PCIe Power Good only.
Transaction Pending
Indicates whether the 82583V has any transactions pending. (Transactions
include completions for any outstanding non-posted request for all used traffic
classes.).
Reserved
315