Visible to Intel only — GUID: nik1410905629415
Ixiasoft
1. Datasheet
2. Getting Started with the SR-IOV DMA Example Design
3. Parameter Settings
4. Interfaces and Signal Descriptions
5. Registers
6. Programming and Testing SR-IOV Bridge MSI Interrupts
7. Error Handling
8. IP Core Architecture
9. Design Implementation
10. Transceiver PHY IP Reconfiguration
11. Debugging
A. Frequently Asked Questions for PCI Express
B. Transaction Layer Packet (TLP) Header Formats
C. Stratix V Avalon-ST with SR-IOV Interface for PCIe Solutions User Guide Archive
12. Document Revision History
1.1. Stratix® V Avalon-ST Interface with SR-IOV for PCIe Datasheet
1.2. Release Information
1.3. Device Family Support
1.4. Design Examples for SR-IOV
1.5. Debug Features
1.6. IP Core Verification
1.7. Performance and Resource Utilization
1.8. Recommended Speed Grades for SR-IOV Interface
1.9. Creating a Design for PCI Express
2.1. Generating the Example Design Testbench
2.2. Understanding the Generated Files and Directories
2.3. Simulating the SR-IOV Example Design
2.4. Running a Gate-Level Simulation
2.5. Understanding the DMA Functionality
2.6. Compiling the Example Design with the Quartus® Prime Software
2.7. Using the IP Catalog To Generate Your Stratix V Hard IP for PCI Express as a Separate Component
4.1. Avalon-ST TX Interface
4.2. Component-Specific Avalon-ST Interface Signals
4.3. Avalon-ST RX Interface
4.4. BAR Hit Signals
4.5. Configuration Status Interface
4.6. Clock Signals
4.7. Function-Level Reset Interface
4.8. Interrupt Interface
4.9. Configuration Extension Bus (CEB) Interface
4.10. Implementing MSI-X Interrupts
4.11. Local Management Interface (LMI) Signals
4.12. Reset, Status, and Link Training Signals
4.13. Transceiver Reconfiguration
4.14. Serial Data Signals
4.15. Test Signals
4.16. PIPE Interface Signals
5.1. Correspondence between Configuration Space Registers and the PCIe Specification
5.2. PCI and PCI Express Configuration Space Registers
5.3. MSI Registers
5.4. MSI-X Capability Structure
5.5. Power Management Capability Structure
5.6. PCI Express Capability Structure
5.7. Advanced Error Reporting (AER) Enhanced Capability Header Register
5.8. Uncorrectable Error Status Register
5.9. Uncorrectable Error Mask Register
5.10. Uncorrectable Error Severity Register
5.11. Correctable Error Status Register
5.12. Correctable Error Mask Register
5.13. Advanced Error Capabilities and Control Register
5.14. Header Log Registers 0-3
5.15. SR-IOV Virtualization Extended Capabilities Registers
5.16. Virtual Function Registers
5.15.1. SR-IOV Virtualization Extended Capabilities Registers Address Map
5.15.2. ARI Enhanced Capability Header
5.15.3. SR-IOV Enhanced Capability Registers
5.15.4. Initial VFs and Total VFs Registers
5.15.5. VF Device ID Register
5.15.6. Page Size Registers
5.15.7. VF Base Address Registers (BARs) 0-5
5.15.8. Secondary PCI Express Extended Capability Header
5.15.9. Lane Status Registers
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
11.1.6. Changing between the Hard and Soft Reset Controller
Visible to Intel only — GUID: nik1410905629415
Ixiasoft
5.6. PCI Express Capability Structure
Figure 31. PCI Express Capability Structure - Byte Address Offsets and LayoutIn the following table showing the PCI Express Capability Structure, registers that are not applicable to a device are reserved.
Bits | Description | Default Value | Access |
---|---|---|---|
[31:19] | Reserved | 0 | RO |
[18:16] | Version ID: Version of Power Management Capability. | 0x3 | RO |
[15:8] | Next Capability Pointer: Points to the PCI Express Capability. | 0x80 | RO |
[7:0] | Capability ID assigned by PCI-SIG. | 0x01 | RO |
Bits | Description | Default Value | Access |
---|---|---|---|
[2:0] | Maximum Payload Size supported by the Function. Can be configured as 000 (128 bytes) or 001 (256 bytes) | Set in Platform Designer | RO |
[4:3] | Reserved | 0 | RO |
[5] | Extended tags supported | Set in Platform Designer | RO |
[8:6] | Acceptable L0S latency | Set in Platform Designer | RO |
[11:9] | Acceptable L1 latency | Set in Platform Designer | RO |
[14:12] | Reserved | 0 | RO |
[15] | Role-Based error reporting supported | 1 | RO |
[17:16] | Reserved | 0 | RO |
[27:18] | Captured Slot Power Limit Value and Scale: Not implemented | 0 | RO |
[28] | FLR Capable. Indicates that the device has FLR capability | Set in Platform Designer | RO |
[31:29 ] | Reserved | 0 | RO |
Bits | Description | Default Value | Access |
---|---|---|---|
[0] | Enable Correctable Error Reporting. | 0 | RW |
[1] | Enable Non-Fatal Error Reporting. | 0 | RW |
[2] | Enable Fatal Error Reporting. | 0 | RW |
[3] | Enable Unsupported Request (UR) Reporting. | 0 | RW |
[4] | Enable Relaxed Ordering. | Set in Platform Designer | RW |
[7:5] | Maximum Payload Size. | 0 (128 bytes) | RW |
[8] | Extended Tag Field Enable. | 0 | RW |
[10:9] | Reserved. | 0 | RO |
[11] | Enable No-Snoop. | 1 | RW |
[14:12] | Maximum Read Request Size. | 2 (512 bytes) | RW |
[15] | Function-Level Reset. Writing a 1 generates a Function-Level Reset for this Function if the FLR Capable bit of the Device Capabilities Register is set. This bit always reads as 0. | 0 | RW |
[16] | Correctable Error detected. | 0 | RW1C |
[17] | Non-Fatal Error detected. | 0 | RW1C |
[18] | Fatal Error detected. | 0 | RW1C |
[19] | Unsupported Request detected. | 0 | RW1C |
[20] | Reserved. | 0 | RO |
[21] | Transaction Pending: Indicates that a Non- Posted request issued by this Function is still pending. | 0 | RO |
[31:22] | Reserved. | 0 | RO |
Bits | Description | Default Value | Access |
---|---|---|---|
[3:0] | Maximum Link Speed | 1: 2.5 GT/s 2: 5.0 GT/s 3: 8.0 GT/s |
RO |
[9:4] | Maximum Link Width | 1, 2, 4 or 8 | RO |
[10] | ASPM Support for L0S state | Set in Platform Designer | RO |
[11] | ASPM Support for L1 state | Set in Platform Designer | RO |
[14:12] | L0S Exit Latency | Set in Platform Designer, 0x6 | RO |
[17:15] | L1 Exit Latency | Set in Platform Designer, 0x0 | RO |
[21:18] | Reserved | 0 | RO |
[22] | ASPM Optionality Compliance | 1 | RO |
[31:23] | Reserved | 0 | RO |
Bits | Description | Default Value | Access |
---|---|---|---|
[1:0] | ASPM Control | 0 | RW |
[2] | Reserved | 0 | R O |
[3] | Read Completion Boundary | 0 | RW |
[5:4] | Reserved | 0 | RO |
[6] | Common Clock Configuration | 0 | RW |
[7] | Extended Synch | 0 | RW |
[15:8] | Reserved | 0 | RO |
[19:16] | Negotiated Link Speed | 0 | RO |
[25:20] | Negotiated Link Width | 0 | RO |
[27:26] | Reserved | 0 | RO |
[28] | Slot Clock Configuration | Set in Platform Designer | RO |
[31:29] | Reserved | 0 | RO |
Bits | Description | Default Value | Access |
---|---|---|---|
[3:0] | Completion Timeout ranges | Set in Platform Designer | RO |
[4] | Completion Timeout disable supported | Set in Platform Designer | RO |
[31:5] | Reserved | 0 | RO |
Bits | Description | Default Value | Access |
---|---|---|---|
[3:0] | Completion Timeout value | 0xF | RW |
[4] | Completion Timeout disable | 1 | RW |
[31:5] | Reserved | 0 | RO |
Bits | Description | Default Value | Access |
---|---|---|---|
[0] | Reserved | 0 | RO |
[3:1] | Link speeds supported | 1 (2.5 GT/s) 3 (5.0 GT/s) 7 (8.0 GT/s) Set in Platform Designer |
RO |
[31:4] | Reserved | 0 | RO |
Bits | Description | Default Value | Access |
---|---|---|---|
[3:0] | Target Link Speed | 1: Gen1 2: Gen2 3: Gen3 |
RWS |
[4] | Enter Compliance | 0 | RWS |
[5] | Hardware Autonomous Speed Disable | 0 | RW |
[6] | Selectable De-emphasis | 0 | RO |
[9:7] | Transmit Margin | 0 | RWS |
[10] | Enter Modified Compliance | 0 | RWS |
[11] | Compliance SOS | 0 | RWS |
[15:12] | Compliance Preset/De-emphasis | 0 | RWS |
[16] | Current De-emphasis Level | 0 | RO |
[17] | Equalization Complete | 0 | RO |
[18] | Equalization Phase 1 Successful | 0 | RO |
[19] | Equalization Phase 2 Successful | 0 | RO |
[20] | Equalization Phase 3 Successful | 0 | RO |
[21] | Link Equalization Request | 0 | RW1C |
[31:22] | Reserved | 0 | RO |