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 aw-bits option.
Signed-off-by: Eric Auger <[email protected]> --- qemu-options.hx | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/qemu-options.hx b/qemu-options.hx index 8547254dbf..6a8c970640 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``. + It supports below options: + + ``aw-bits=val`` (val between 32 and 64, default depends on machine) + This decides the address width of IOVA address space. With + q35 it defaults to 39 bits. On arm virt it defaults to 48 bits. + ERST DEF("name", HAS_ARG, QEMU_OPTION_name, -- 2.41.0
