Re: [Xen-devel] [PATCH 4/7] vtd: add lookup_page method to iommu_ops

2018-03-16 Thread Paul Durrant
> -Original Message- > From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: 16 March 2018 10:29 > To: Paul Durrant > Cc: Kevin Tian ; xen-devel@lists.xenproject.org > Subject: RE: [PATCH 4/7] vtd: add lookup_page method to iommu_ops > > >>> On 16.03.18 at 11:19, wrote: > >> From: Jan Beu

Re: [Xen-devel] [PATCH 4/7] vtd: add lookup_page method to iommu_ops

2018-03-16 Thread Jan Beulich
>>> On 16.03.18 at 11:19, wrote: >> From: Jan Beulich [mailto:jbeul...@suse.com] >> Sent: 15 March 2018 16:54 >> >> >>> On 12.02.18 at 11:47, wrote: >> > This patch adds a new method to the VT-d IOMMU implementation to find >> the >> > MFN currently mapped by the specified BFN. This functionalit

Re: [Xen-devel] [PATCH 4/7] vtd: add lookup_page method to iommu_ops

2018-03-16 Thread Paul Durrant
> -Original Message- > From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: 15 March 2018 16:54 > To: Paul Durrant > Cc: Kevin Tian ; xen-devel@lists.xenproject.org > Subject: Re: [PATCH 4/7] vtd: add lookup_page method to iommu_ops > > >>> On 12.02.18 at 11:47, wrote: > > This patch add

Re: [Xen-devel] [PATCH 4/7] vtd: add lookup_page method to iommu_ops

2018-03-15 Thread Jan Beulich
>>> On 12.02.18 at 11:47, wrote: > This patch adds a new method to the VT-d IOMMU implementation to find the > MFN currently mapped by the specified BFN. This functionality will be used > by a subsequent patch. How come this is VT-d only? The same is going to be needed at least for the AMD IOMMU.

[Xen-devel] [PATCH 4/7] vtd: add lookup_page method to iommu_ops

2018-02-12 Thread Paul Durrant
This patch adds a new method to the VT-d IOMMU implementation to find the MFN currently mapped by the specified BFN. This functionality will be used by a subsequent patch. Signed-off-by: Paul Durrant --- Cc: Kevin Tian Cc: Jan Beulich --- xen/drivers/passthrough/vtd/iommu.c | 39 ++