Re: [RFC PATCH v2 24/44] i386/tdx: Add MMIO HOB entries

[Gerd Hoffmann]

  Hi,

> +    /* PCI hole above 4gb. */
> +    start = object_property_get_uint(host, PCI_HOST_PROP_PCI_HOLE64_START,
> +                                     NULL);
> +    end = object_property_get_uint(host, PCI_HOST_PROP_PCI_HOLE64_END, NULL);
> +    tdvf_hob_add_mmio_resource(hob, start, end);
> +
> +    /* MMCFG region */
> +    mcfg_base = object_property_get_uint(host, PCIE_HOST_MCFG_BASE, NULL);
> +    mcfg_size = object_property_get_uint(host, PCIE_HOST_MCFG_SIZE, NULL);
> +    if (mcfg_base && mcfg_base != PCIE_BASE_ADDR_UNMAPPED && mcfg_size) {
> +        tdvf_hob_add_mmio_resource(hob, mcfg_base, mcfg_base + mcfg_size);
> +    }

I doubt this works.  These are initialized by the firmware not qemu.

take care,
  Gerd