From: Eric Auger <eric.au...@redhat.com>
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.au...@redhat.com>
Message-Id: <20240307134445.92296-5-eric.au...@redhat.com>
Reviewed-by: Michael S. Tsirkin <m...@redhat.com>
Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <phi...@linaro.org>
---
qemu-options.hx | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/qemu-options.hx b/qemu-options.hx
index 937fd7ed84..c6f3d2e76d 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,
--
MST
