Re: [RFC v2 2/2] hw/riscv: Add server platform reference machine

[Andrew Jones]

On Tue, Mar 12, 2024 at 09:52:21PM GMT, Fei Wu wrote:
> The RISC-V Server Platform specification[1] defines a standardized set
> of hardware and software capabilities, that portable system software,
> such as OS and hypervisors can rely on being present in a RISC-V server
> platform.
> 
> A corresponding Qemu RISC-V server platform reference (rvsp-ref for
> short) machine type is added to provide a environment for firmware/OS
> development and testing. The main features included in rvsp-ref are:
> 
>  - Based on riscv virt machine type
>  - A new memory map as close as virt machine as possible
>  - A new virt CPU type rvsp-ref-cpu for server platform compliance
>  - AIA
>  - PCIe AHCI
>  - PCIe NIC

We should rebase on the IOMMU series [1] and add an IOMMU to the
platform, as it's required by the Server Soc spec (which is required
by the server platform spec).

[1] 
https://lore.kernel.org/qemu-devel/20240307160319.675044-1-dbarboza@ventanamicro.com/

Thanks,
drew