Intel® Arria® 10 Avalon® Streaming with SR-IOV IP for PCIe* User Guide

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ID 683686
Date 1/11/2022
Public
Document Table of Contents
Document Table of Contents x
1. Datasheet 2. Getting Started with the SR-IOV Design Example 3. Parameter Settings 4. Physical Layout 5. Interfaces and Signal Descriptions 6. Registers 7. Programming and Testing SR-IOV Bridge MSI Interrupts 8. Error Handling 9. IP Core Architecture 10. Design Implementation 11. Debugging 12. Document Revision History A. Transaction Layer Packet (TLP) Header Formats B. Intel® Arria® 10 Avalon-ST with SR-IOV Interface for PCIe Solutions User Guide Archive
1. Datasheet x
1.1. Intel® Arria® 10 Avalon® -ST Interface with SR-IOV for PCI Express* Datasheet 1.2. Release Information 1.3. Device Family Support 1.4. Debug Features 1.5. IP Core Verification 1.6. Performance and Resource Utilization 1.7. Recommended Speed Grades for SR-IOV Interface
1.1. Intel® Arria® 10 Avalon® -ST Interface with SR-IOV for PCI Express* Datasheet x
1.1.1. SR-IOV Features
1.5. IP Core Verification x
1.5.1. Compatibility Testing Environment
2. Getting Started with the SR-IOV Design Example x
2.1. Directory Structure for Intel® Arria® 10 SR-IOV Design Example 2.2. Design Components for the SR-IOV Design Example 2.3. Generating the SR-IOV Design Example 2.4. Compiling and Simulating the Design for SR-IOV
3. Parameter Settings x
3.1. Parameters 3.2. Intel® Arria® 10 Avalon-ST Settings 3.3. Intel® Arria® 10 SR-IOV System Settings 3.4. Base Address Register (BAR) Settings 3.5. SR-IOV Device Identification Registers 3.6. Intel® Arria® 10 Interrupt Capabilities 3.7. Physical Function TLP Processing Hints (TPH) 3.8. Address Translation Services (ATS) 3.9. PCI Express and PCI Capabilities Parameters 3.10. PHY Characteristics 3.11. Example Designs
3.9. PCI Express and PCI Capabilities Parameters x
3.9.1. PCI Express and PCI Capabilities 3.9.2. Error Reporting 3.9.3. Link Capabilities 3.9.4. Slot Capabilities 3.9.5. Power Management
4. Physical Layout x
4.1. Hard IP Block Placement In Intel® Cyclone® 10 GX Devices 4.2. Hard IP Block Placement In Intel® Arria® 10 Devices 4.3. Channel and Pin Placement for the Gen1, Gen2, and Gen3 Data Rates 4.4. Channel Placement and fPLL and ATX PLL Usage for the Gen3 Data Rate 4.5. PCI Express Gen3 Bank Usage Restrictions
5. Interfaces and Signal Descriptions x
5.1. Avalon-ST TX Interface 5.2. Component-Specific Avalon-ST Interface Signals 5.3. Avalon-ST RX Interface 5.4. BAR Hit Signals 5.5. Configuration Status Interface 5.6. Clock Signals 5.7. Function-Level Reset (FLR) Interface 5.8. SR-IOV Interrupt Interface 5.9. Configuration Extension Bus (CEB) Interface 5.10. Implementing MSI-X Interrupts 5.11. Control Shadow Interface 5.12. Local Management Interface (LMI) Signals 5.13. Reset, Status, and Link Training Signals 5.14. Hard IP Reconfiguration Interface 5.15. Serial Data Signals 5.16. Test Signals 5.17. PIPE Interface Signals 5.18. Intel® Arria® 10 Development Kit Conduit Interface
5.9. Configuration Extension Bus (CEB) Interface x
5.9.1. Vital Product Data (VPD) Capability
5.9.1. Vital Product Data (VPD) Capability x
5.9.1.1. Determine the Pointer Address of an External Capability Register 5.9.1.2. VPD Capability Implementation
6. Registers x
6.1. Addresses for Physical and Virtual Functions 6.2. Correspondence between Configuration Space Registers and the PCIe Specification 6.3. PCI and PCI Express Configuration Space Registers 6.4. MSI Registers 6.5. MSI-X Capability Structure 6.6. Power Management Capability Structure 6.7. PCI Express Capability Structure 6.8. Advanced Error Reporting (AER) Enhanced Capability Header Register 6.9. Uncorrectable Error Status Register 6.10. Uncorrectable Error Mask Register 6.11. Uncorrectable Error Severity Register 6.12. Correctable Error Status Register 6.13. Correctable Error Mask Register 6.14. Advanced Error Capabilities and Control Register 6.15. Header Log Registers 0-3 6.16. SR-IOV Virtualization Extended Capabilities Registers 6.17. Virtual Function Registers
6.3. PCI and PCI Express Configuration Space Registers x
6.3.1. Type 0 Configuration Space Registers 6.3.2. PCI and PCI Express Configuration Space Register Content 6.3.3. Interrupt Line and Interrupt Pin Register
6.16. SR-IOV Virtualization Extended Capabilities Registers x
6.16.1. SR-IOV Virtualization Extended Capabilities Registers Address Map 6.16.2. ARI Enhanced Capability Header 6.16.3. SR-IOV Enhanced Capability Registers 6.16.4. Initial VFs and Total VFs Registers 6.16.5. VF Device ID Register 6.16.6. Page Size Registers 6.16.7. VF Base Address Registers (BARs) 0-5 6.16.8. Secondary PCI Express Extended Capability Header 6.16.9. Lane Status Registers 6.16.10. Transaction Processing Hints (TPH) Requester Enhanced Capability Header
7. Programming and Testing SR-IOV Bridge MSI Interrupts x
7.1. Setting Up and Verifying MSI Interrupts 7.2. Masking MSI Interrupts 7.3. Dropping a Pending MSI Interrupt
8. Error Handling x
8.1. Physical Layer Errors 8.2. Data Link Layer Errors 8.3. Transaction Layer Errors 8.4. Error Reporting and Data Poisoning 8.5. Uncorrectable and Correctable Error Status Bits
9. IP Core Architecture x
9.1. PCI Express Protocol Stack 9.2. Data Link Layer 9.3. Physical Layer 9.4. Top-Level Interfaces 9.5. Intel® Arria® 10 Hard IP for PCI Express with Single-Root I/O Virtualization (SR-IOV)
9.4. Top-Level Interfaces x
9.4.1. Avalon-ST Interface 9.4.2. Clocks and Reset 9.4.3. Interrupts 9.4.4. PIPE
10. Design Implementation x
10.1. Making Pin Assignments to Assign I/O Standard to Serial Data Pins 10.2. Recommended Reset Sequence to Avoid Link Training Issues 10.3. SDC Timing Constraints
11. Debugging x
11.1. Setting Up Simulation 11.2. Simulation Fails To Progress Beyond Polling.Active State 11.3. Hardware Bring-Up Issues 11.4. Link Training 11.5. Creating a Signal Tap Debug File to Match Your Design Hierarchy 11.6. Use Third-Party PCIe Analyzer 11.7. BIOS Enumeration Issues
11.1. Setting Up Simulation x
11.1.1. Changing Between Serial and PIPE Simulation 11.1.2. Using the PIPE Interface for Gen1 and Gen2 Variants 11.1.3. Viewing the Important PIPE Interface Signals 11.1.4. Disabling the Scrambler for Gen1 and Gen2 Simulations 11.1.5. Disabling 8B/10B Encoding and Decoding for Gen1 and Gen2 Simulations
12. Document Revision History x
12.1. Document Revision History for the Intel® Arria® 10 Avalon® Streaming with SR-IOV IP for PCIe* User Guide
A. Transaction Layer Packet (TLP) Header Formats x
A.1. TLP Packet Formats without Data Payload A.2. TLP Packet Formats with Data Payload
1. Datasheet
2. Getting Started with the SR-IOV Design Example
3. Parameter Settings
4. Physical Layout
5. Interfaces and Signal Descriptions
6. Registers
7. Programming and Testing SR-IOV Bridge MSI Interrupts
8. Error Handling
9. IP Core Architecture
10. Design Implementation
11. Debugging
12. Document Revision History
A. Transaction Layer Packet (TLP) Header Formats
B. Intel® Arria® 10 Avalon-ST with SR-IOV Interface for PCIe Solutions User Guide Archive

7.2. Masking MSI Interrupts

If Application Layer sends MSI interrupt when the corresponding mask bit is set, the bridge does not send this MSI interrupt to the host. Instead, the bridge sets the corresponding pending bit internally. The core sends this interrupt if its corresponding mask bit is cleared and the previous pending bit is set. The following procedure illustrates how to mask and unmask interrupts. The first four steps are the same as for

Setting Up and Verifying MSI Interrupts. Perform them once, during or after enumeration.
  1. Disable legacy interrupts by setting Interrupt Disable bit of the Command register using a Configuration Write Request. The Interrupt Disable bit is bit 10 of the Command register.
  2. Enable MSI interrupts by setting the MSI enable of the MSI Control register using a Configuration Write Request. The MSI enable bit is bit 16 of 0x050.
  3. Specify the MSI Address and MSI Data using a Configuration Write Request.
  4. Specify the number of MSI vectors in the Multiple Message Enable field of the MSI Control register using a Configuration Write Request.
  5. Select a function and interrupt number using a Configuration Write Request.
  6. Set the MSI mask bit for the selected function and interrupt number using a Configuration Write Request.
  7. Generate an MSI interrupt request for the selected function and interrupt number using the app_msi* interface using a Configuration Write Request. You should receive the MSI Ack. No MSI interrupt message is sent to the host.
  8. Verify that app_msi_status[1:0]=2'b01 when app_msi_ack=1.
  9. Read the Pending Bit register for the function specified using a Configuration Read Request. Verify that the pending bit for the interrupt specified is set to 1.
  10. Clear the pending bit using the MSI interrupt interface using a Configuration Write Request.
  11. Clear the MSI mask bit for the selected function and interrupt number using a Configuration Write Request..
  12. Verify that the SR-IOV Bridge sends the Message TLP to the host.
  13. Read the Pending Bit register of the function specified using a Configuration Read Request. Verify that the pending bit for the interrupt specified is now 0.
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