Re: [PATCH v7 4/9] qemu-options.hx: Document the virtio-iommu-pci granule option

[Philippe Mathieu-Daudé]

On 6/3/24 21:32, Eric Auger wrote:
> We are missing an entry for the virtio-iommu-pci device. Add the
> information on which machine it is currently supported and document
> the new granule option.
>
> Signed-off-by: Eric Auger <eric.auger@redhat.com>
> ---
>   qemu-options.hx | 8 ++++++++
>   1 file changed, 8 insertions(+)
>
> diff --git a/qemu-options.hx b/qemu-options.hx
> index 9a47385c15..757df3eac0 100644
> --- a/qemu-options.hx
> +++ b/qemu-options.hx
> @@ -1172,6 +1172,14 @@ SRST
>       Please also refer to the wiki page for general scenarios of VT-d
>       emulation in QEMU: https://wiki.qemu.org/Features/VT-d.
>   
> +``-device virtio-iommu-pci[,option=...]``
> +    This is only supported by ``-machine q35`` and ``-machine virt``.

Don't we need to precise x86 and arm here?

> +    It supports below options:
> +
> +    ``granule=val`` (possible values are 4k, 8k, 16k, 64k and host; default: 
> host)
> +        This decides the default granule to be be exposed by the
> +        virtio-iommu. If host, the granule matches the host page size.
> +
>   ERST
>   
>   DEF("name", HAS_ARG, QEMU_OPTION_name,