Altera Stratix V Avalon-ST User Manual
Page 105

Bits
Register Description
Default Value
Access
[3:0]
Reserved.
0
RO
[4]
Indicates the presence of PCI Extended Capabilities. This bit is
hardwired to 1.
0
RW1C
[7:5]
Reserved.
0
RO
[8]
Master Data Parity Error. Enabled when the PF PCI Command
Register Parity Error Response bit is set. When set, indicates one
of the following conditions:
• The device has received a Poisoned Completion from the link
for this VF
• This VF has transmitted a Poisoned Memory Write request on
the link
RW1C
[10:9]
Reserved.
0
RO
[11]
Signal Target Abort. When set, this VF has sent a Completion to
the link with Completer Abort (CA) stats.
0
RW1C
[12]
Received Target Abort. When set, indicates that this VF has
received a Completion from the link with the CA status.
0
RW1C
[13]
Received Master Abort. When set, indicates that this VF has
received a Completion from the link with the Unsupported
Request (UR) status.
0
RW1C
[14]
Signaled System Error. When set, indicates that this VF has
transmitted a Fatal or Non-Fatal error message on the link to the
Root Complex. Enabled when the PF PCI Command Register
SERR Enable bit is set.
0
RW1C
[15]
Received Master Abort. When set, indicates the VF has received a
Completion from the link with the Unsupported Request (UR)
status.
0
RW1C
Table 5-48: PCI Express Capability List Register for VFs
Bits
Register Description
Default Value
Access
[31:19]
Hardwired to 0.
0
RO
[18:16]
Version ID: Version of PCI Express Capability.
2
RW
[15:8]
Next Capability Pointer: Points to NULL.
0
RO
[7:0]
Capability ID assigned by PCI-SIG.
0x10
RO
Table 5-49: PCI Express Device Control and Status Registers for VFs
Bits
Register Description
Default Value
Access
Control Register
[14:0]
Reserved.
0
RO
UG-01097_sriov
2014.12.15
Virtual Function Registers
5-31
Registers
Altera Corporation