ARI Capability Register and ARI Control Register @0x144

This location contains the ARI Capability Register and the ARI Control Register. The individual fields are described below.

Table 1. i_ARI_cap_and_ctrl

Bits	SW	Name	Description	Reset
0	R	MFVC Function Groups Capability [MFGC]	Set when device supports arbitration at the Function Group-level. This field is hardwired to 0.	0x0
1	R	ACS Function Groups Capability [AFGC]	Relevant only when ACS Capability is supported. This field is hardwired to 0.	0x0
7:2	R	RSVD	RSVD	6'h00
15:8	R	Next Function [NF]	Points to the next Physical Function in the device. This field is set by default to point to the next Physical Function, 0 for last Function. It can be re-written from the local management bus.	0x1
31:16	R	ARI Control Register [ACR]	ARI Control Register not implemented in this Controller. This field is hardwired to 0.	0x0