Altera Stratix V Avalon-ST Manual do Utilizador Página 53
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Signal Direction Description
app_msix_addr[63:0] Input The Application Layer drives the address for the MSI-X posted
write TLP on this input. Driven in the same cycle as app_msix_
req.
app_msix_data[31:0] Input The Application Layer drives app_msix_data[31:0] for the
MSI-X posted write TLP. Driven in the same cycle as app_msix_
req.
app_msix_enable_
pf[1:0]
Output The MSI-X Enable bit of PF0 and PF1 MSI-X Control Register
drive this output.
app_msix_enable_
vf[<n>-1:0]
Output The MSI-X Enable bit of the MSI-X Control Register for VF0
drives bit[0]. The MSI-X Enable bit of the MSI-X Control
Register for VF1 drives bit[1], and so on.
app_msix_err
Output Indicates an error during the execution of an MSI-X request.
Valid when app_msix_ack is asserted. The following encodings
are defined:
• 1b'0: MSI-X message sent
• 1b'1: Error detected during execution of the MSI-X request.
No message sent. The following errors may occur:
• The function number is invalid
• The MSI-X Enable bit for the function was not set
• The MSI-X Function Mask was not set
app_msix_fn_mask_
pf[1:0]
Output The MSI-X Function Mask bit of PF0 and PF1 MSI-X Control
Register drive this output.
app_msix_fn_mask_
vf[<n>-1:0]
Output The MSI-X Function Mask bit of the MSI-X Control Register for
VF0 drives bit[0]. The MSI-X Function Mask bit of the MSI-X
Control Register for VF1 drives bit[1], and so on. <n> equals the
total number of VFs for both PF0 and PF1.
4-18
Interrupt Interface
UG-01097_sriov
2014.12.15
Altera Corporation
Interfaces and Signal Descriptions
Send Feedback
- User Guide 1
- Datasheet 2
- Features 3
- Interface 4
- Release Information 7
- Device Family Support 7
- Example Designs 8
- Debug Features 8
- IP Core Verification 9
- Recommended Speed Grades 10
- Related Information 11
- Subscribe 12
- Qsys Subsystem Description 13
- Parameter Value 15
- Directory Description 16
- Parameter Settings 21
- Parameter Value Description 22
- SR-IOV System Settings 24
- Interrupt Capabilities 27
- Device Capabilities 29
- Error Reporting 30
- Link Capabilities 31
- Slot Capabilities 32
- Power Management 33
- PHY Characteristics 34
- Simulation Options 35
- Avalon-ST TX Interface 37
- Signal Direction Description 38
- Avalon‑ST RX Interface 40
- BAR Hit Signals 43
- Completion Side Band Signals 45
- Signal Directi 46
- Description 46
- Clock Signals 48
- Interrupt Interface 49
- Implementing MSI-X Interrupts 55
- LMI Signals 57
- Serial Data Signals 65
- Test Signals 70
- PIPE Interface Signals 71
- Byte Address 77
- MSI Registers 80
- MSI-X Capability Structure 82
- VF Device ID Register 96
- Page Size Registers 96
- Lane Error Status Register 98
- Bits Register Description 99
- Default Value 99
- Altera Corporation 100
- Registers 100
- Send Feedback 100
- Virtual Function Registers 102
- Name Description 103
- Reset and Clocks 107
- Hard IP for PCI Express 108
- Example Design 108
- UG-01097_sriov 109
- 2014.12.15 109
- Function Level Reset (FLR) 111
- Clock Domains 111
- Clock Summary 114
- Interrupts 115
- Error Handling 118
- Physical Layer Errors 119
- Data Link Layer Errors 119
- Transaction Layer Errors 120
- Error Type Description 121
- Status Bit Conditions 123
- IP Core Architecture 125
- Top-Level Interfaces 126
- Clocks and Reset 126
- Transceiver Reconfiguration 126
- Data Link Layer 127
- Physical Layer 129
- TX Packets 130
- Design Implementation 136
- CONF_DONE 137
- Endpoint Reset 137
- Root Port Reset 137
- SDC Timing Constraints 138
- Debugging 143
- Setting Up Simulation 146
- Use Third-Party PCIe Analyzer 148
- BIOS Enumeration Issues 148
- Address[31:2] 149
- Figure A-6: I/O Read Request 151
- Additional Information 155
- Typographic Conventions 156
- Visual Cue Meaning 157
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