Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

David; prasun.kap...@cavium.com; Kumar, Vijaya Subject: Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4 Hi Manish, On 19/09/2015 21:24, Manish Jaggi wrote: > On Wednesday 16 September 2015 06:28 PM, Julien Grall wrote: >> On 15/09/15 19:58, Jaggi, Manish wrote: >>>> I ca

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

Hi David, On 19/09/15 22:51, Daney, David wrote: > I apologize for the top post, but for the record; > > The Thunder Linux implementation will be obtaining the PCI requester id from > the OF device tree, or ACPI IORT table. It will *not* be derived from any > hardware address. I'm aware

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On Wednesday 16 September 2015 06:28 PM, Julien Grall wrote: On 15/09/15 19:58, Jaggi, Manish wrote: I can see 2 different solutions: 1) Let DOM0 pass the first requester ID when registering the bus Pros: * Less per-platform code in Xen Cons: * Assume

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

Hi Manish, On 19/09/2015 21:24, Manish Jaggi wrote: On Wednesday 16 September 2015 06:28 PM, Julien Grall wrote: On 15/09/15 19:58, Jaggi, Manish wrote: I can see 2 different solutions: 1) Let DOM0 pass the first requester ID when registering the bus Pros: * Less

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On 09/15/2015 11:58 AM, Jaggi, Manish wrote: > > > On Thursday 10 September 2015 06:42 AM, Julien Grall wrote: >> Hi Manish, > Hi Julien, sorry for late response.. >> >> On 13/08/2015 10:42, Manish Jaggi wrote: >>>3.2.Mapping between streamID - deviceID - pci sbdf - requesterID >>>

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On 15/09/15 19:58, Jaggi, Manish wrote: >> I can see 2 different solutions: >> 1) Let DOM0 pass the first requester ID when registering the bus >>Pros: >> * Less per-platform code in Xen >>Cons: >> * Assume that the requester ID are contiguous. (Is it really a

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On Thursday 10 September 2015 06:42 AM, Julien Grall wrote: > Hi Manish, Hi Julien, sorry for late response.. > > On 13/08/2015 10:42, Manish Jaggi wrote: >> 3.2.Mapping between streamID - deviceID - pci sbdf - requesterID >>

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

Hi Manish, On 13/08/2015 10:42, Manish Jaggi wrote: 3.2.Mapping between streamID - deviceID - pci sbdf - requesterID - For a simpler case all should be equal to BDF. But there are some devices that use the

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On 02/09/15 16:19, Ian Campbell wrote: > On Thu, 2015-08-13 at 11:37 +0100, Julien Grall wrote: >>> 4.2.2Xenstore Update: For each PCI-EP BAR (IPA-PA mapping info). >>> -- >>> -- >>> >>> Toolstack also updates the

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On Thu, 2015-08-13 at 11:37 +0100, Julien Grall wrote: > > 4.2.2Xenstore Update: For each PCI-EP BAR (IPA-PA mapping info). > > -- > > -- > > > > Toolstack also updates the xenstore information for the device > >

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On Wed, 2015-09-02 at 08:52 -0600, Jan Beulich wrote: > > > > > > On 02.09.15 at 16:45, wrote: > > On Fri, 2015-08-14 at 08:34 -0600, Jan Beulich wrote: > > > > > > On 14.08.15 at 16:03, wrote: > > > > On Fri, 14 Aug 2015, Jan Beulich

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On Tuesday 01 September 2015 01:02 PM, Jan Beulich wrote: On 31.08.15 at 14:36, wrote: On Thursday 13 August 2015 03:12 PM, Manish Jaggi wrote: 4.2.1 Mapping BAR regions in guest address space

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On Wed, 2015-09-02 at 13:59 +0100, Julien Grall wrote: (I'm not caught up on my mail, so just commenting on this one aspect) > Anyway, I think this logic should be done in the toolstack and not in > the hypervisor. Only the toolstack is in charge of the memory layout. > Xen appears to know the

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On 02/09/15 13:08, Manish Jaggi wrote: > > > On Tuesday 01 September 2015 01:02 PM, Jan Beulich wrote: > On 31.08.15 at 14:36, wrote: >>> On Thursday 13 August 2015 03:12 PM, Manish Jaggi wrote: 4.2.1 Mapping BAR regions in guest address space

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On Fri, 2015-08-14 at 03:26 -0600, Jan Beulich wrote: > > > > > > On 13.08.15 at 19:01, wrote: > > On Thu, 2015-08-13 at 09:29 -0600, Jan Beulich wrote: > > > > A bunch of your questions seem to be about things which have been > > discussed > > at length in previous

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

>>> On 02.09.15 at 16:45, wrote: > On Fri, 2015-08-14 at 08:34 -0600, Jan Beulich wrote: >> > > > On 14.08.15 at 16:03, wrote: >> > On Fri, 14 Aug 2015, Jan Beulich wrote: >> > > > > > On 14.08.15 at 15:21,

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On Thu, 2015-08-13 at 09:29 -0600, Jan Beulich wrote: >>>> On 13.08.15 at 11:42, > wrote: > > 2.1pci_hostbridge and pci_hostbridge_ops > > - > > > > The init function

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On Wed, 2015-09-02 at 14:46 +0100, Ian Campbell wrote: > On Wed, 2015-09-02 at 13:59 +0100, Julien Grall wrote: > > (I'm not caught up on my mail, so just commenting on this one aspect) > > > Anyway, I think this logic should be done in the toolstack and not in > > the hypervisor. Only the

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On Wed, 2015-09-02 at 13:59 +0100, Julien Grall wrote: > On 02/09/15 13:08, Manish Jaggi wrote: > > > > > > On Tuesday 01 September 2015 01:02 PM, Jan Beulich wrote: > > > > > > On 31.08.15 at 14:36, wrote: > > > > On Thursday 13 August 2015 03:12 PM, Manish Jaggi

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

>>> On 02.09.15 at 16:57, wrote: > On Thu, 2015-08-13 at 09:29 -0600, Jan Beulich wrote: >>>>> On 13.08.15 at 11:42, >> wrote: >> > 2.1pci_hostbridge and pci_hostbridge_ops >> >

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

>>> On 31.08.15 at 14:36, wrote: > On Thursday 13 August 2015 03:12 PM, Manish Jaggi wrote: >> 4.2.1 Mapping BAR regions in guest address space >> >> - >> >> >> When a PCI-EP device is

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

CC'ing a few other x86 people as this is likely to be the same approach that will be taken by PVH. On Thu, 13 Aug 2015, Manish Jaggi wrote: > - > | PCI Pass-through in Xen ARM | > - >

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On Thursday 13 August 2015 03:12 PM, Manish Jaggi wrote: - | PCI Pass-through in Xen ARM | - manish.ja...@caviumnetworks.com ---

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

Campbell; stefano.stabell...@eu.citrix.com; Jaggi, Manish; Kumar, Vijaya; Julien Grall; Xen Devel Subject: Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4 On Thu, 13 Aug 2015, Jan Beulich wrote: On 13.08.15 at 11:42, mja...@caviumnetworks.com wrote: 2.1pci_hostbridge

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On Fri, 14 Aug 2015, Jan Beulich wrote: On 14.08.15 at 15:21, stefano.stabell...@eu.citrix.com wrote: On Fri, 14 Aug 2015, Jan Beulich wrote: it's even less clear how you'd expect to suppress this in other guest OSes (Windows - afaik - being able to run on ARM certainly makes it a

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On Fri, 14 Aug 2015, Jan Beulich wrote: On 13.08.15 at 19:01, ian.campb...@citrix.com wrote: On Thu, 2015-08-13 at 09:29 -0600, Jan Beulich wrote: A bunch of your questions seem to be about things which have been discussed at length in previous postings, it's probably worth reviewing

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On 14.08.15 at 15:21, stefano.stabell...@eu.citrix.com wrote: On Fri, 14 Aug 2015, Jan Beulich wrote: it's even less clear how you'd expect to suppress this in other guest OSes (Windows - afaik - being able to run on ARM certainly makes it a candidate guest, even if maybe this doesn't work

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On 14.08.15 at 16:03, stefano.stabell...@eu.citrix.com wrote: On Fri, 14 Aug 2015, Jan Beulich wrote: On 14.08.15 at 15:21, stefano.stabell...@eu.citrix.com wrote: On Fri, 14 Aug 2015, Jan Beulich wrote: it's even less clear how you'd expect to suppress this in other guest OSes (Windows

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On Fri, 14 Aug 2015, Jan Beulich wrote: On 14.08.15 at 16:03, stefano.stabell...@eu.citrix.com wrote: On Fri, 14 Aug 2015, Jan Beulich wrote: On 14.08.15 at 15:21, stefano.stabell...@eu.citrix.com wrote: On Fri, 14 Aug 2015, Jan Beulich wrote: it's even less clear how you'd expect to

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On 14/08/15 15:37, Stefano Stabellini wrote: On Fri, 14 Aug 2015, Jan Beulich wrote: On 14.08.15 at 16:03, stefano.stabell...@eu.citrix.com wrote: On Fri, 14 Aug 2015, Jan Beulich wrote: On 14.08.15 at 15:21, stefano.stabell...@eu.citrix.com wrote: On Fri, 14 Aug 2015, Jan Beulich wrote:

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On 14.08.15 at 16:45, julien.gr...@citrix.com wrote: On 14/08/15 15:37, Stefano Stabellini wrote: If you are thinking of Windows for ARM64, there isn't one yet. When/if it will become available, there are going to be a number of issues to address before we can run it as a guest on Xen on ARM

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On Thu, 13 Aug 2015, Jan Beulich wrote: On 13.08.15 at 11:42, mja...@caviumnetworks.com wrote: 2.1pci_hostbridge and pci_hostbridge_ops - The init function in the PCI host driver calls

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On Fri, 14 Aug 2015, Jan Beulich wrote: On 14.08.15 at 16:45, julien.gr...@citrix.com wrote: On 14/08/15 15:37, Stefano Stabellini wrote: If you are thinking of Windows for ARM64, there isn't one yet. When/if it will become available, there are going to be a number of issues to address

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

Pass-through in Xen ARM: Draft 4 On Thu, 13 Aug 2015, Jan Beulich wrote: On 13.08.15 at 11:42, mja...@caviumnetworks.com wrote: 2.1pci_hostbridge and pci_hostbridge_ops - The init function

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

Hi Manish, I left Linaro 4 months ago. Can you please use my email citrix (julien.gr...@citrix.com). On 13/08/15 10:42, Manish Jaggi wrote: - 1.Background of PCI passthrough

[Xen-devel] PCI Pass-through in Xen ARM: Draft 4

- | PCI Pass-through in Xen ARM | - manish.ja...@caviumnetworks.com --- Draft-4

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On 13.08.15 at 11:42, mja...@caviumnetworks.com wrote: 2.1pci_hostbridge and pci_hostbridge_ops - The init function in the PCI host driver calls to register hostbridge callbacks: int

Re: [Xen-devel] PCI Pass-through in Xen ARM: Draft 4

On Thu, 2015-08-13 at 09:29 -0600, Jan Beulich wrote: A bunch of your questions seem to be about things which have been discussed at length in previous postings, it's probably worth reviewing some of those discussions. gt; gt; /* For 32bit BARs*/ gt; #define GUEST_BAR_BASE_32