Altera Stratix V Avalon-ST Manual do Utilizador Página 96

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Table 5-33: VF Offset and Stride Registers - 0x194
Bits Register Description Default Value Access
[15:0] VF Offset. Specifies the offset of the first VF’s Routing ID with
respect to the Routing ID of its PF. The offset is configured for
PF0 and PF1 based on the number of VFs and whether ARI is in
use. The following offsets are used:
Single-Function with no ARI: VF Offset = 1.
Two PFs with no ARI: VF Offset = 2 for PF0. 1+ PF0_VF_
COUNT for PF1.
With ARI: VF Offset = 128 for PF 0. 127+ PF0_VF_COUNT for
PF 1.
Refer to
description
RO
[31:16] VF Stride
1
RO
VF Device ID Register
Table 5-34: VF Device ID Register - 0x198
Bits Register Description Default Value Access
[15:0] Reserved 0 RO
[31:16] VF Device ID Set in Qsys RO
Page Size Registers
Table 5-35: Supported Page Size Register - 0x19C
Bits Register Description Default Value Access
[31:0] Supported Page Sizes. Specifies the page sizes supported by the
device
Set in Qsys RO
Table 5-36: System Page Size Register - 0x1A0
Bits Register Description Default Value Access
[31:0] Supported Page Sizes. Specifies the page size currently in use. Set in Qsys RO
VF Base Address Registers (BARs) 0-5
Each PF implements six BARs. You specify BAR settings in Qsys. You can configure VF BARs as 32-bit
memories. Or you can combine VF BAR0 and BAR1 to form a 64-bit memory BAR. VF BAR 0 may also
5-22
VF Device ID Register
UG-01097_sriov
2014.12.15
Altera Corporation
Registers
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