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• IOPMP device which checks the permission of memory acces with source id (SID).

Addtion to hw/dma/atcdmac300.c around:

• A sample to show how dma device to support iopmp features: 
• Memory transaction with source id.
Handling IOPMP stalltransaction result.

Change to hw/riscv/virt.c around:

• Addition of "iopmp" and "iopmp_cascade" machine option.
• When "iopmp" option is enabled:
  • Addition IOPMP device and DMA deviceRegister the DMA device to IOPMP with source id.
  • The device on the generic PCIe host bridge connect to the IOPMP  device
• When "iopmp_cascade" option is enabled
  • Addition IOPMP2 device which is connected after IOPMP device.

Components and Repos

Current verison patch
https://patchew.org/QEMU/20231122053251.440723-1-ethan84@andestech.com/

Stakeholders and Partners

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Other QEMU for RISC-V contributors, including:

• RISE
  • Daniel Henrique Barboza
• External
  
  • Alistair Francis (QEMU for RISC-V maintainer)

Dependencies

None

Measure of Success

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