On Fri, Aug 09, 2024 at 07:49:10PM -0300, Jason Gunthorpe wrote:
> On Fri, Aug 09, 2024 at 12:18:42PM -0700, Nicolin Chen wrote:
>
> > > The bigger issue is that we still have the hypervisor GIC driver
> > > controlling things and it will need to know to use the guest provided
> > > MSI address ca
On Fri, Aug 09, 2024 at 08:00:34AM +, Tian, Kevin wrote:
> > - IOMMUFD should provide VMM a way to tell the gPA (or directly +
> > GITS_TRANSLATER?). Then kernel should do the stage-2 mapping. I
> > have talked to Jason about this a while ago, and we have a few
> > thoughts how to implem
On Fri, Aug 09, 2024 at 12:18:42PM -0700, Nicolin Chen wrote:
> > The bigger issue is that we still have the hypervisor GIC driver
> > controlling things and it will need to know to use the guest provided
> > MSI address captured during the MSI trap, not its own address. I don't
> > have an idea h
On Fri, Aug 09, 2024 at 06:43:47PM +0100, Robin Murphy wrote:
> On 2024-08-09 9:00 am, Tian, Kevin wrote:
> > > From: Nicolin Chen
> > > Sent: Friday, August 9, 2024 7:00 AM
> > >
> > > On Thu, Aug 08, 2024 at 01:38:44PM +0100, Robin Murphy wrote:
> > > > On 06/08/2024 9:25 am, Tian, Kevin wrote:
On Fri, Aug 09, 2024 at 03:41:36PM -0300, Jason Gunthorpe wrote:
> On Thu, Aug 08, 2024 at 01:38:44PM +0100, Robin Murphy wrote:
> > On 06/08/2024 9:25 am, Tian, Kevin wrote:
> > > > From: Nicolin Chen
> > > > Sent: Saturday, August 3, 2024 8:32 AM
> > > >
> > > > From: Robin Murphy
> > > >
> >
On Thu, Aug 08, 2024 at 01:38:44PM +0100, Robin Murphy wrote:
> On 06/08/2024 9:25 am, Tian, Kevin wrote:
> > > From: Nicolin Chen
> > > Sent: Saturday, August 3, 2024 8:32 AM
> > >
> > > From: Robin Murphy
> > >
> > > Currently, iommu-dma is the only place outside of IOMMUFD and drivers
> > >
On 2024-08-09 9:00 am, Tian, Kevin wrote:
From: Nicolin Chen
Sent: Friday, August 9, 2024 7:00 AM
On Thu, Aug 08, 2024 at 01:38:44PM +0100, Robin Murphy wrote:
On 06/08/2024 9:25 am, Tian, Kevin wrote:
From: Nicolin Chen
Sent: Saturday, August 3, 2024 8:32 AM
From: Robin Murphy
Currently,
> From: Nicolin Chen
> Sent: Friday, August 9, 2024 7:00 AM
>
> On Thu, Aug 08, 2024 at 01:38:44PM +0100, Robin Murphy wrote:
> > On 06/08/2024 9:25 am, Tian, Kevin wrote:
> > > > From: Nicolin Chen
> > > > Sent: Saturday, August 3, 2024 8:32 AM
> > > >
> > > > From: Robin Murphy
> > > >
> > >
> From: Robin Murphy
> Sent: Thursday, August 8, 2024 8:39 PM
>
> On 06/08/2024 9:25 am, Tian, Kevin wrote:
> >> From: Nicolin Chen
> >> Sent: Saturday, August 3, 2024 8:32 AM
> >>
> >> From: Robin Murphy
> >>
> >> Currently, iommu-dma is the only place outside of IOMMUFD and drivers
> >> which
On Thu, Aug 08, 2024 at 01:38:44PM +0100, Robin Murphy wrote:
> On 06/08/2024 9:25 am, Tian, Kevin wrote:
> > > From: Nicolin Chen
> > > Sent: Saturday, August 3, 2024 8:32 AM
> > >
> > > From: Robin Murphy
> > >
> > > Currently, iommu-dma is the only place outside of IOMMUFD and drivers
> > >
On 06/08/2024 9:25 am, Tian, Kevin wrote:
From: Nicolin Chen
Sent: Saturday, August 3, 2024 8:32 AM
From: Robin Murphy
Currently, iommu-dma is the only place outside of IOMMUFD and drivers
which might need to be aware of the stage 2 domain encapsulated within
a nested domain. This would be in
On Tue, Aug 06, 2024 at 08:25:33AM +, Tian, Kevin wrote:
> > From: Nicolin Chen
> > Sent: Saturday, August 3, 2024 8:32 AM
> >
> > From: Robin Murphy
> >
> > Currently, iommu-dma is the only place outside of IOMMUFD and drivers
> > which might need to be aware of the stage 2 domain encapsulat
> From: Nicolin Chen
> Sent: Saturday, August 3, 2024 8:32 AM
>
> From: Robin Murphy
>
> Currently, iommu-dma is the only place outside of IOMMUFD and drivers
> which might need to be aware of the stage 2 domain encapsulated within
> a nested domain. This would be in the legacy-VFIO-style case
From: Robin Murphy
Currently, iommu-dma is the only place outside of IOMMUFD and drivers
which might need to be aware of the stage 2 domain encapsulated within
a nested domain. This would be in the legacy-VFIO-style case where we're
using host-managed MSIs with an identity mapping at stage 1, whe
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