AXI4-Stream Status Ports - 3.3 English

Versal ACAP CPM DMA and Bridge Mode for PCI Express Product Guide (PG347)

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3.3 English
Table 1. AXI-ST C2H Status Port Descriptions
Port Name I/O Description
dma<n>_axis_c2h_status_valid O Valid per descriptor.
dma<n>_axis_c2h_status_qid [10:0] O QID of the packet.
dma<n>_axis_c2h_status_drop O The QDMA drops the packet if it does not have enough descriptors to transfer the full packet to the host. This bit indicates if the packet was dropped or not. A packet that is not dropped is considered as having been accepted.

0: Packet is not dropped.

1: Packet is dropped.

dma<n>_axis_c2h_status_last O Last descriptor.
dma<n>_axis_c2h_status_cmp O

0: Dropped packet or C2H packet with has_cmpt of 1'b0.

1: C2H packet that has completions.

dma<n>_axis_c2h_status_error O When axis_c2h_status_error is set to 1, the descriptor fetched has an error. When set to 0, there is no error.