AXI Multichannel DMA Intel® FPGA IP for PCI Express* User Guide
ID
817911
Date
7/22/2024
Public
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4.4.1. PCIe AXI-ST TX Interface (ss_tx_st)
4.4.2. PCIe AXI-ST RX Interface (ss_rx_st)
4.4.3. Control and Status Register Interface (ss_csr_lite)
4.4.4. Flow Control Credit Interface
4.4.5. Configuration Intercept Interface (CII)
4.4.6. Completion Timeout Interface (ss_cplto)
4.4.7. Function Level Reset Interface
4.4.8. Control Shadow Interface (ss_ctrlshadow)
4.5.1. H2D AXI-ST Source (h2d_st_initatr)
4.5.2. D2H AXI-ST Sink (d2h_st_respndr)
4.5.3. BAM AXI-MM Master (bam_mm_initatr)
4.5.4. BAS AXI-MM Slave (bas_mm_respndr)
4.5.5. PIO AXI-Lite Master (pio_lite_initiatr)
4.5.6. HIP Reconfig AXI-Lite Slave (user_csr_lite)
4.5.7. User Event MSI-X (user_msix)
4.5.8. User Event MSI (user_msi)
4.5.9. User Function Level Reset (user_flr)
4.5.10. User Configuration Intercept Interface - EP Only
4.5.11. Configuration Slave (cs_lite_respndr) - RP Only
1.3. Terms and Acronyms
| Term | Description |
|---|---|
| AXI | Advanced eXtensible Interface |
| AXI-MM | AXI Memory-Mapped |
| AXI-ST | AXI Stream |
| AXI MCDMA IP | Abbreviation used in this document. Refers to the AXI Multichannel DMA Intel FPGA IP for PCI Express |
| AXI Streaming IP | Abbreviation used in this document. Refers to the AXI Streaming Intel FPGA IP for PCI Express |
| BAM | Bursting Master |
| BAS | Bursting Slave |
| Channel | A DMA channel consists of a pair of Host-to-Device (H2D) and Device-to-Host (D2H) descriptor queues to handle bidirectional data transfer |
| CSR | Control and Status Register |
| DMA | Direct Memory Access |
| D2H | Device-to-Host |
| Gen1 | PCIe 1.0 |
| Gen2 | PCIe 2.0 |
| Gen3 | PCIe 3.0 |
| Gen4 | PCIe 4.0 |
| Gen5 | PCIe 5.0 |
| H2D | Host-to-Device |
| HIP | Hard IP |
| Avalon MCDMA IP | H/P/F/R-Tile Multichannel DMA Intel FPGA IP for PCI Express. These IPs use traditional Avalon® interface protocol |
| MCDMA | Multichannel Direct Memory Access |
| QCSR | Queue Control and Status Register |
| TLP | Transaction Layer Packet |