4.7. MSI Interface
|Signal Name||I/O Type||Description|
MSI request signal.
Assertion causes Mem Write TLP to be generated on the AVST interface to the HIP based on the MSI Capability register values and other MSI input ports.
You can deassert MSI request any time after Ack (msi_ack_o) has been asserted.
Specifies the function number requesting an MSI transmission
MSI number that indicates the offset between the base message data and the MSI to send.
When multiple message mode is enabled, this signal sets the lower five bits of the MSI Data register. For more information, refer to PCIe base specification.
Ack for MSI request. Asserted for 1 clock cycle.
Your logic can deassert the MSI request as soon as this signal is asserted.
Indicates the execution status of requested MSI. Valid when msi_ack_o is asserted.