82598EB Datasheet, PDF (392/596 Pages) Intel Corporation – Intel® 82598EB 10 Gigabit Ethernet Controller Datasheet

Intel^® 82598EB 10 GbE Controller - Register Descriptions
Bus Number
Reserved
15:8
0x0
31:16
0x0
Bus Number
Bus number assigned to the function based on BIOS/OS enumeration.
Reserved
4.4.3.12.2 DCA Control Register- DCA_CTRL (0x11074; RW)
Field
DCA_DIS
DCA_MODE
Reserved
Bit(s)
Initial
Value
Description
0
1b
DCA Disable
When 0b, DCA tagging is enabled for the 82598.
When 1b, DCA tagging is disabled for the 82598.
4:1
0x0
DCA Mode
When 0000b, platform is FSB. In this case, the TAG field in the TLP
header is bit 0 (DCA enable) and bits 3:1 are CU ID.
When 0001b, platform is CSI. In this case, when DCA is disabled for a
given message, the TAG field is 11111b; if DCA is enabled, the TAG is set
per queue as programmed in the relevant DCA control register.
Other values are undefined.
31:5
0x0
Reserved
4.4.3.13 MAC Registers
4.4.3.13.1 PCS_1G Global Config Register 1 – PCS1GCFIG (0x04200, RW)
Field
Reserved
Pcs_isolate
Reserved
Bit(s)
Initial
Value
Description
31
0b
Reserved
30
0b
PCS Isolate
Setting this bit isolates the 1 Gb/s PCS logic from the MAC’s data path. PCS
control codes are still sent and received.
29:0
0x0
Reserved
4.4.3.13.2 PCG_1G Link Control Register – PCS1GLCTL (0x04208; RW)
Field
Reserved
Reserved
Bit(s)
31:26
25
Initial
Value
0x0
1b
Reserved
Reserved
Description
392