On Sat, Apr 02, 2022 at 08:43:16AM +, Tian, Kevin wrote:
> > This assumes any domain is interchangeable with any device, which is
> > not the iommu model. We need a domain op to check if a device is
> > compatiable with the domain for vfio an iommufd, this should do the
> > same.
>
> This
On Sat, Apr 02, 2022 at 07:12:12AM +, Tian, Kevin wrote:
> That is one scenario of dma aliasing. Another is like Alex replied where
> one device has an alias requestor ID due to PCI quirks. The alias RID
> may or may not map to a real device but probably what we really care
> here regarding
powerpc's asm/prom.h brings some headers that it doesn't
need itself.
In order to clean it up, first add missing headers in
users of asm/prom.h
Signed-off-by: Christophe Leroy
---
drivers/iommu/fsl_pamu.c| 3 +++
drivers/iommu/fsl_pamu_domain.c | 1 +
2 files changed, 4 insertions(+)
> From: Jason Gunthorpe
> Sent: Thursday, March 31, 2022 3:02 AM
>
> On Tue, Mar 29, 2022 at 01:37:52PM +0800, Lu Baolu wrote:
> > @@ -95,6 +101,7 @@ struct iommu_domain {
> > void *handler_token;
> > struct iommu_domain_geometry geometry;
> > struct iommu_dma_cookie *iova_cookie;
>
> From: Jason Gunthorpe
> Sent: Wednesday, March 30, 2022 10:30 PM
>
> On Wed, Mar 30, 2022 at 02:12:57PM +, Tian, Kevin wrote:
> > > From: Jason Gunthorpe
> > > Sent: Wednesday, March 30, 2022 7:58 PM
> > >
> > > On Wed, Mar 30, 2022 at 06:50:11AM +, Tian, Kevin wrote:
> > >
> > > > One
