QDMA Subsystem - 2.0 English

Versal Adaptive SoC DMA and Bridge Subsystem for PCI Express Product Guide (PG344)

Document ID
Release Date
2.0 English
  • Support for both AXI4 and AXI4-Stream interfaces on a per queue basis:
    • 2K queue sets.
    • 2K H2C Descriptor rings.
    • 2K C2H Descriptor rings.
    • 2K C2H Writeback rings.
  • Supports polling mode (status descriptor writeback).
  • C2H stream interrupt moderation, CMPT entry coalesce.
  • Descriptor and DMA customization through user logic:
    • Custom descriptor formats.
    • Traffic management.
  • SR-IOV support with access control, FLR, and mailboxes.
  • Advanced and flexible interrupt support.