Altera Arria 10 Avalon-ST - Manual (Page 56)

Parameter Value Description
Table Offset [31:0] Points to the base of the MSI-X Table. The lower 3 bits of the
table BAR indicator (BIR) are set to zero by software to form a
32-bit qword-aligned offset (1) . This field is read-only.
Table BAR
Indicator
[2:0] Specifies which one of a function’s BARs, located beginning at
0x10 in Configuration Space, is used to map the MSI-X table
into memory space. This field is read-only. Legal range is 0–5.
Pending Bit
Array (PBA)
Offset
[31:0] Used as an offset from the address contained in one of the
function’s Base Address registers to point to the base of the
MSI-X PBA. The lower 3 bits of the PBA BIR are set to zero by
software to form a 32-bit qword-aligned offset. This field is
read-only.
Pending BAR
Indicator
[2:0] Specifies the function Base Address registers, located
beginning at 0x10 in Configuration Space, that maps the MSI-
X PBA into memory space. This field is read-only. Legal range
is 0–5.
Note:
1. Throughout this user guide, the terms word, dword and qword have the same meaning that they have
in the PCI Express Base Specification. A word is 16 bits, a dword is 32 bits, and a qword is 64 bits.
Slot Capabilities
Table 4-10: Slot Capabilities
Parameter Value Description
Use Slot register On/Off The slot capability is required for Root Ports if a slot is implemented
on the port. Slot status is recorded in the
PCI Express Capabili-
ties
register. This parameter is only supported in Root Port mode.
Defines the characteristics of the slot. You turn on this option by
selecting Enable slot capability. The various bits are defined as
follows:
31 19 18 17 16 15 14 7 6 5
Physical Slot Number
No Command Completed Support
Electromechanical Interlock Present
Slot Power Limit Scale
Slot Power Limit Value
Hot-Plug Capable
Hot-Plug Surprise
Power Indicator Present
Attention Indicator Present
MRL Sensor Present
Power Controller Present
Attention Button Present
0 4 3 2 1
UG-01145_avst
2014.08.18
Slot Capabilities 4-13
Parameter Settings Altera Corporation
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