Altera Stratix V Avalon-ST User Manual
Page 89
ARI Enhanced Capability Header and Control Register
Table 5-21: ARI Extended Capabilities Registers
Address
(hex)
Name
Description
0x100
ARI Enhanced Capability
Header
PCI Express Extended Capability ID for ARI and next capability
pointer.
0x104
ARI Capability Register, ARI
Control Register
The lower 16 bits implement the ARI Capability Register. The
upper 16 bits implement the ARI Control Register.
Table 5-22: ARI Enhanced Capability ID - 0x100
Bits
Register Description
Default Value
Default Value
Access
[15:0]
PCI Express Extended Capability ID.
0x000E
RO
[19:16]
Capability Version.
1
Default Value
RO
[31:20]
Next Capability Pointer: When ARI support is enabled, points to
AER Capability. Otherwise, points to NULL.
0x140
RO
Table 5-23: ARI Enhanced Capability Header and Control Register - 0x104
Bits
Register Description
Default Value
Access
[0]
Specifies support for arbitration at the Function group level. Not
implemented.
0
RO
[7:1]
Reserved.
0
RO
[15:8]
ARI Next Function Pointer. Pointer to the next PF.
1
RO
[31:61]
Reserved.
0
RO
UG-01097_sriov
2014.12.15
ARI Enhanced Capability Header and Control Register
5-15
Registers
Altera Corporation