On Wed, Jul 07, 2021 at 11:35:43AM +0800, Jason Wang wrote: > > 在 2021/6/12 上午2:55, Peter Xu 写道: > > The parameters of intel-iommu device are non-trivial to understand. Add an > > entry for it so that people can reference to it when using. > > > > There're actually a few more options there, but I hide them explicitly > > because > > they shouldn't be used by normal QEMU users. > > > > Cc: Chao Yang <chay...@redhat.com> > > Cc: Lei Yang <leiy...@redhat.com> > > Cc: Jing Zhao <jinz...@redhat.com> > > Cc: Jason Wang <jasow...@redhat.com> > > Cc: Michael S. Tsirkin <m...@redhat.com> > > Cc: Alex Williamson <alex.william...@redhat.com> > > Signed-off-by: Peter Xu <pet...@redhat.com> > > --- > > qemu-options.hx | 32 ++++++++++++++++++++++++++++++++ > > 1 file changed, 32 insertions(+) > > > > diff --git a/qemu-options.hx b/qemu-options.hx > > index 14258784b3a..4bb04243907 100644 > > --- a/qemu-options.hx > > +++ b/qemu-options.hx > > @@ -926,6 +926,38 @@ SRST > > ``-device pci-ipmi-bt,bmc=id`` > > Like the KCS interface, but defines a BT interface on the PCI bus. > > + > > +``-device intel-iommu[,option=...]`` > > + This is only supported by ``-machine q35``, which will enable Intel > > VT-d > > + emulation within the guest. It supports below options: > > + > > + ``intremap=on|off`` (default: auto) > > + This enables interrupt remapping feature in the guest. > > > I think we don't need "in the guest" here.
Sure. > > Other than this: > > Reviewed-by: Jason Wang <jasow...@redhat.com> Thanks, -- Peter Xu
