Queue Teardown - 2.0 English

Versal Adaptive SoC DMA and Bridge Subsystem for PCI Express Product Guide (PG344)
Document ID
PG344
Release Date
2023-11-10
Version
2.0 English

Queue Tear-down (C2H Stream):

  • Send marker packet to drain the pipeline.
  • Wait for marker completion.
  • Invalidate/clear prefetch context.
  • Invalidate/clear completion context.
  • Invalidate/clear descriptor software context.
  • Invalidate timer context (clear cmd is not supported).

Queue Tear-down (H2C Stream & MM):

  • Invalidate/clear descriptor software context.