Multi Channel DMA Intel® FPGA IP for PCI Express User Guide
                    
                        ID
                        683821
                    
                
                
                    Date
                    4/20/2022
                
                
                    Public
                
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                        1. Before You Begin
                    
                    
                
                    
                        2. Introduction
                    
                    
                
                    
                        3. Functional Description
                    
                    
                
                    
                        4. Interface Overview
                    
                    
                
                    
                        5. Parameters (H-Tile)
                    
                    
                
                    
                        6. Parameters (P-Tile and F-Tile)
                    
                    
                
                    
                        7. Designing with the IP Core
                    
                    
                
                    
                        8. Software Programming Model
                    
                    
                
                    
                        9. Registers
                    
                    
                
                    
                        10. Troubleshooting/Debugging
                    
                    
                
                    
                    
                        11. Multi Channel DMA Intel FPGA IP for PCI Express User Guide Archives
                    
                
                    
                    
                        12. Revision History for Multi Channel DMA Intel FPGA IP for PCI Express User Guide
                    
                
            
        
                        
                        
                            
                                4.1. Port List
                            
                            
                        
                            
                            
                                4.2. Clocks
                            
                        
                            
                            
                                4.3. Resets
                            
                        
                            
                                4.4. Multi Channel DMA
                            
                            
                        
                            
                            
                                4.5. Bursting Avalon-MM Master (BAM) Interface
                            
                        
                            
                            
                                4.6. Bursting Avalon-MM Slave (BAS) Interface
                            
                        
                            
                            
                                4.7. Config Slave Interface (RP only)
                            
                        
                            
                            
                                4.8. Hard IP Reconfiguration Interface
                            
                        
                            
                            
                                4.9. Config TL Interface
                            
                        
                            
                            
                                4.10. Configuration Intercept Interface (EP Only)
                            
                        
                            
                            
                                4.11. User Functional Level Reset (FLR)
                            
                        
                            
                            
                                4.12. User Event MSI-X Request Interface
                            
                        
                            
                                4.13. Data Mover Interface
                            
                            
                        
                            
                            
                                4.14. Hard IP Status Interface
                            
                        
                    
                
                                                
                                                
                                                    
                                                    
                                                        8.1.6.1. ifc_api_start
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.2. ifc_mcdma_port_by_name
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.3. ifc_qdma_device_get
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.4. ifc_num_channels_get
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.5. ifc_qdma_channel_get
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.6. ifc_qdma_acquire_channels
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.7. ifc_qdma_release_all_channels
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.8. ifc_qdma_device_put
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.9. ifc_qdma_channel_put
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.10. ifc_qdma_completion_poll
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.11. ifc_qdma_request_start
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.12. ifc_qdma_request_prepare
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.13. ifc_qdma_descq_queue_batch_load
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.14. ifc_qdma_request_submit
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.15. ifc_qdma_pio_read32
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.16. ifc_qdma_pio_write32
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.17. ifc_qdma_pio_read64
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.18. ifc_qdma_pio_write64
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.19. ifc_qdma_pio_read128
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.20. ifc_qdma_pio_write128
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.21. ifc_qdma_pio_read256
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.22. ifc_qdma_pio_write256
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.23. ifc_request_malloc
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.24. ifc_request_free
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.25. ifc_app_stop
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.26. ifc_qdma_poll_init
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.27. ifc_qdma_poll_add
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.28. ifc_qdma_poll_wait
                                                    
                                                    
                                                
                                                    
                                                    
                                                        8.1.6.29. ifc_mcdma_port_by_name
                                                    
                                                    
                                                
                                            
                                        4.2. Clocks
| Signal Name | I/O Type | Description | Clock Frequency | 
|---|---|---|---|
| H-Tile | |||
| refclk | Input |   PCIe reference clock defined by the PCIe specification. This input reference clock must be stable and free-running at device power-up for a successful device configuration.  |  
          100 MHz ± 300 ppm  |  
       
| coreclkout_hip | Output |   This is an output clock provided to user logic. Avalon-MM / Avalon-ST user interfaces are synchronous to this clock.  |  
        250 MHz | 
| P-Tile and F-Tile | |||
| refclk0 | Input | PCIe reference clock defined by the PCIe specification. These clocks must be free-running and driven by the single clock source. |   100 MHz ± 300 ppm  |  
       
| refclk1 | Input | ||
| coreclkout_hip | Output |   Clock 
           Note: Not available for P-Tile. In earlier versions, this signal was present. Manual upgrade is required. 
            
          |  
        |
| app_clk | Output | Application clock |   Gen3: 250 MHz Gen4: 400 MHz (Intel Stratix 10 DX), 500 MHz (Intel Agilex)  |