Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-07 Thread Paul Durrant
; > Sent: 07 September 2018 07:24 > > > To: Paul Durrant ; Kevin Tian > > > > > > Cc: Suravee Suthikulpanit ; Julien Grall > > > ; Stefano Stabellini ; > xen- > > > devel > > > Subject: RE: [Xen-devel] [PATCH v6 01/14] iommu: int

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-07 Thread Tian, Kevin
> Cc: Suravee Suthikulpanit ; Julien Grall > > ; Stefano Stabellini ; xen- > > devel > > Subject: RE: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept > of > > BFN... > > > > >>> On 07.09.18 at 03:47, wrote: > > >&g

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-07 Thread Paul Durrant
rom: Jan Beulich [mailto:jbeul...@suse.com] > >> > Sent: 06 September 2018 14:13 > >> > To: Paul Durrant > >> > Cc: Suravee Suthikulpanit ; Julien > Grall > >> > ; Kevin Tian ; Stefano > >> > Stabellini ; xen-devel >> >

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-06 Thread Jan Beulich
ber 2018 14:13 >> > To: Paul Durrant >> > Cc: Suravee Suthikulpanit ; Julien Grall >> > ; Kevin Tian ; Stefano >> > Stabellini ; xen-devel > > de...@lists.xenproject.org> >> > Subject: RE: [Xen-devel] [PATCH v6 01/14] iommu: introduce the c

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-06 Thread Tian, Kevin
uthikulpanit ; Julien Grall > > ; Kevin Tian ; Stefano > > Stabellini ; xen-devel > de...@lists.xenproject.org> > > Subject: RE: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept > of > > BFN... > > > > >>> On 06.09.18 at 12:36, wr

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-06 Thread Paul Durrant
> -Original Message- > From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: 06 September 2018 14:13 > To: Paul Durrant > Cc: Suravee Suthikulpanit ; Julien Grall > ; Kevin Tian ; Stefano > Stabellini ; xen-devel de...@lists.xenproject.org> > Subject: RE:

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-06 Thread Jan Beulich
>>> On 06.09.18 at 12:36, wrote: >> From: Jan Beulich [mailto:jbeul...@suse.com] >> Sent: 05 September 2018 10:39 >> >> >>> On 05.09.18 at 11:13, wrote: >> > Personally I think 'bus address' is commonly enough used term for >> addresses >> > used by devices for DMA. Indeed we have already 'dev_b

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-06 Thread Paul Durrant
an > >> Cc: Suravee Suthikulpanit ; Julien Grall > >> ; Paul Durrant ; > Stefano > >> Stabellini ; xen-devel >> de...@lists.xenproject.org> > >> Subject: RE: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept > of > >> BFN... > &g

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-05 Thread Jan Beulich
Stabellini ; xen-devel > de...@lists.xenproject.org> >> Subject: RE: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of >> BFN... >> >> >>> On 05.09.18 at 08:56, wrote: >> >> From: Jan Beulich [mailto:jbeul...@suse.com] >> >> Se

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-05 Thread Paul Durrant
>> >> >> From: Jan Beulich [mailto:jbeul...@suse.com] > >> >> >> Sent: 04 September 2018 09:47 > >> >> >> To: Kevin Tian > >> >> >> Cc: Suravee Suthikulpanit ; > Julien > >> >> Grall >

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-05 Thread Jan Beulich
>> >> >> To: Kevin Tian >> >> >> Cc: Suravee Suthikulpanit ; Julien >> >> Grall >> >> >> ; Paul Durrant ; >> >> Stefano >> >> >> Stabellini ; xen-devel > >> >> de...@lists.xenproject.org&g

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-04 Thread Tian, Kevin
t ; Julien > >> Grall > >> >> ; Paul Durrant ; > >> Stefano > >> >> Stabellini ; xen-devel >> >> de...@lists.xenproject.org> > >> >> Subject: Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the > concept > >>

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-04 Thread Jan Beulich
to:jbeul...@suse.com] >> >> Sent: 04 September 2018 09:47 >> >> To: Kevin Tian >> >> Cc: Suravee Suthikulpanit ; Julien >> Grall >> >> ; Paul Durrant ; >> Stefano >> >> Stabellini ; xen-devel > >> de...@lists.xenprojec

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-04 Thread Tian, Kevin
; >> To: Kevin Tian > >> Cc: Suravee Suthikulpanit ; Julien > Grall > >> ; Paul Durrant ; > Stefano > >> Stabellini ; xen-devel >> de...@lists.xenproject.org> > >> Subject: Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept >

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-04 Thread Jan Beulich
Stabellini ; xen-devel > de...@lists.xenproject.org> >> Subject: Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of >> BFN... >> >> >>> On 04.09.18 at 10:37, wrote: >> >> From: Jan Beulich [mailto:jbeul...@suse.com] >> >>

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-04 Thread Paul Durrant
> -Original Message- > From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: 04 September 2018 09:47 > To: Kevin Tian > Cc: Suravee Suthikulpanit ; Julien Grall > ; Paul Durrant ; Stefano > Stabellini ; xen-devel de...@lists.xenproject.org> > Subject: Re:

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-04 Thread Jan Beulich
>>> On 04.09.18 at 10:37, wrote: >> From: Jan Beulich [mailto:jbeul...@suse.com] >> Sent: Tuesday, September 4, 2018 4:33 PM >> > >> > bus address is commonly used along with physical/virtual address, to >> > represent different views between devices and CPU. From that angle >> > I think BFN is a

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-04 Thread Tian, Kevin
> From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: Tuesday, September 4, 2018 4:33 PM > > > > bus address is commonly used along with physical/virtual address, to > > represent different views between devices and CPU. From that angle > > I think BFN is a clear term in this context. btw it is no

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-04 Thread Jan Beulich
>>> On 04.09.18 at 08:48, wrote: >> From: Jan Beulich [mailto:jbeul...@suse.com] >> Sent: Monday, September 3, 2018 7:47 PM >> >> >>> On 03.09.18 at 10:23, wrote: >> >> From: Jan Beulich [mailto:jbeul...@suse.com] >> >> Sent: 30 August 2018 17:00 >> >> >> >> >>> On 23.08.18 at 11:46, wrote: >>

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-03 Thread Tian, Kevin
> From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: Monday, September 3, 2018 7:47 PM > > >>> On 03.09.18 at 10:23, wrote: > >> From: Jan Beulich [mailto:jbeul...@suse.com] > >> Sent: 30 August 2018 17:00 > >> > >> >>> On 23.08.18 at 11:46, wrote: > >> > --- a/xen/include/xen/mm.h > >> > +++

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-03 Thread Jan Beulich
>>> On 03.09.18 at 10:23, wrote: >> From: Jan Beulich [mailto:jbeul...@suse.com] >> Sent: 30 August 2018 17:00 >> >> >>> On 23.08.18 at 11:46, wrote: >> > --- a/xen/include/xen/mm.h >> > +++ b/xen/include/xen/mm.h >> > @@ -26,6 +26,11 @@ >> > * A linear idea of a guest physical address space

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-09-03 Thread Paul Durrant
> -Original Message- > From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: 30 August 2018 17:00 > To: Paul Durrant > Cc: Suravee Suthikulpanit ; Julien Grall > ; Kevin Tian ; Stefano > Stabellini ; xen-devel de...@lists.xenproject.org> > Subject: Re: [PATCH v6 01/14] iommu: introduce the

Re: [Xen-devel] [PATCH v6 01/14] iommu: introduce the concept of BFN...

2018-08-30 Thread Jan Beulich
>>> On 23.08.18 at 11:46, wrote: > --- a/xen/include/xen/mm.h > +++ b/xen/include/xen/mm.h > @@ -26,6 +26,11 @@ > * A linear idea of a guest physical address space. For an auto-translated > * guest, pfn == gfn while for a non-translated guest, pfn != gfn. > * > + * bfn: Bus Frame Number