From: Eric Auger Date: Thu, 7 Mar 2024 13:43:05 +0000 (+0100) Subject: qemu-options.hx: Document the virtio-iommu-pci granule option X-Git-Tag: v9.0.0-rc0~9^2~9 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=695012903f99d42c03a5bc87fe24f591b6bf7153;p=thirdparty%2Fqemu.git qemu-options.hx: Document the virtio-iommu-pci granule option 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 Message-Id: <20240307134445.92296-5-eric.auger@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Philippe Mathieu-Daudé --- diff --git a/qemu-options.hx b/qemu-options.hx index 937fd7ed843..c6f3d2e76d2 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`` (x86_64) and ``-machine virt`` (ARM). + 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,