Multi Channel DMA for PCI Express* Intel® FPGA IP Design Example User Guide
ID
683517
Date
12/01/2021
Public
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3.5.2.5.2.4. Configure Kernel Driver
- Set number of pages used for descriptor queue:
- Flag: IFC_MCDMA_DESC_PAGES
- Location: software/kernel/common/include/ifc_mcdma.h
- Location: software/user/common/include/ifc_mcdma.h
- Both files require the change.
- Set completion method:
- Write Back: #define IFC_CONFIG_MCDMA_COMPL_PROC CONFIG_MCDMA_QUEUE_WB.
- MSIX: #define IFC_CONFIG_MCDMA_COMPL_PROC CONFIG_MCDMA_QUEUE_MSIX
- Location: software/kernel/common/include/ifc_mcdma.h
- Location: software/user/common/include/ifc_mcdma.h
- Both files require to be changed.