Re: [Xen-devel] [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops

2018-08-07 Thread Paul Durrant
> -Original Message- > From: Tian, Kevin [mailto:kevin.t...@intel.com] > Sent: 07 August 2018 10:03 > To: Paul Durrant ; Jan Beulich > > Cc: George Dunlap ; xen-devel de...@lists.xenproject.org> > Subject: RE: [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops > > > From: Paul Dur

Re: [Xen-devel] [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops

2018-08-07 Thread Tian, Kevin
> From: Paul Durrant [mailto:paul.durr...@citrix.com] > Sent: Tuesday, August 7, 2018 4:56 PM > > > -Original Message- > > From: Tian, Kevin [mailto:kevin.t...@intel.com] > > Sent: 07 August 2018 09:48 > > To: Paul Durrant ; Jan Beulich > > > > Cc: George Dunlap ; xen-devel > de...@lists

Re: [Xen-devel] [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops

2018-08-07 Thread Paul Durrant
> -Original Message- > From: Tian, Kevin [mailto:kevin.t...@intel.com] > Sent: 07 August 2018 09:48 > To: Paul Durrant ; Jan Beulich > > Cc: George Dunlap ; xen-devel de...@lists.xenproject.org> > Subject: RE: [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops > > > From: Paul Dur

Re: [Xen-devel] [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops

2018-08-07 Thread Tian, Kevin
> From: Paul Durrant [mailto:paul.durr...@citrix.com] > Sent: Tuesday, August 7, 2018 4:37 PM > > > -Original Message- > > From: Tian, Kevin [mailto:kevin.t...@intel.com] > > Sent: 07 August 2018 09:33 > > To: Jan Beulich ; Paul Durrant > > > > Cc: George Dunlap ; xen-devel > de...@lists

Re: [Xen-devel] [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops

2018-08-07 Thread Tian, Kevin
> From: Paul Durrant [mailto:paul.durr...@citrix.com] > Sent: Tuesday, August 7, 2018 4:36 PM > > > > > > +static int intel_iommu_lookup_page(struct domain *d, bfn_t bfn, > > > mfn_t > > > > > *mfn, > > > > > + unsigned int *flags) > > > > > > > > Not looking at l

Re: [Xen-devel] [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops

2018-08-07 Thread Paul Durrant
> -Original Message- > From: Tian, Kevin [mailto:kevin.t...@intel.com] > Sent: 07 August 2018 09:33 > To: Jan Beulich ; Paul Durrant > > Cc: George Dunlap ; xen-devel de...@lists.xenproject.org> > Subject: RE: [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops > > > From: Jan Beul

Re: [Xen-devel] [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops

2018-08-07 Thread Paul Durrant
> -Original Message- > From: Tian, Kevin [mailto:kevin.t...@intel.com] > Sent: 07 August 2018 09:31 > To: Paul Durrant ; xen-devel@lists.xenproject.org > Cc: Jan Beulich ; George Dunlap > > Subject: RE: [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops > > > From: Paul Durrant [ma

Re: [Xen-devel] [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops

2018-08-07 Thread Tian, Kevin
> From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: Tuesday, August 7, 2018 4:30 PM > > >>> On 07.08.18 at 10:21, wrote: > >> From: Tian, Kevin [mailto:kevin.t...@intel.com] > >> Sent: 07 August 2018 04:25 > >> > >> > From: Paul Durrant [mailto:paul.durr...@citrix.com] > >> > Sent: Saturday, A

Re: [Xen-devel] [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops

2018-08-07 Thread Tian, Kevin
> From: Paul Durrant [mailto:paul.durr...@citrix.com] > Sent: Tuesday, August 7, 2018 4:22 PM > > > -Original Message- > > From: Tian, Kevin [mailto:kevin.t...@intel.com] > > Sent: 07 August 2018 04:25 > > To: Paul Durrant ; xen- > de...@lists.xenproject.org > > Cc: Jan Beulich ; George Du

Re: [Xen-devel] [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops

2018-08-07 Thread Jan Beulich
>>> On 07.08.18 at 10:21, wrote: >> From: Tian, Kevin [mailto:kevin.t...@intel.com] >> Sent: 07 August 2018 04:25 >> >> > From: Paul Durrant [mailto:paul.durr...@citrix.com] >> > Sent: Saturday, August 4, 2018 1:22 AM >> > >> > --- a/xen/drivers/passthrough/vtd/iommu.c >> > +++ b/xen/drivers/pass

Re: [Xen-devel] [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops

2018-08-07 Thread Paul Durrant
> -Original Message- > From: Tian, Kevin [mailto:kevin.t...@intel.com] > Sent: 07 August 2018 04:25 > To: Paul Durrant ; xen-devel@lists.xenproject.org > Cc: Jan Beulich ; George Dunlap > > Subject: RE: [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops > > > From: Paul Durrant [ma

Re: [Xen-devel] [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops

2018-08-06 Thread Tian, Kevin
> From: Paul Durrant [mailto:paul.durr...@citrix.com] > Sent: Saturday, August 4, 2018 1:22 AM > > This patch adds a new method to the VT-d IOMMU implementation to find > the > MFN currently mapped by the specified BFN along with a wrapper function > in > generic IOMMU code to call the implementat

[Xen-devel] [PATCH v5 09/15] vtd: add lookup_page method to iommu_ops

2018-08-03 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 along with a wrapper function in generic IOMMU code to call the implementation if it exists. This functionality will be used by a subsequent patch. Signed-off-by: Paul Durrant Revi