Re: [PATCH V11 06/17] powerpc/pci: Add PCI resource alignment documentation

2015-02-19 Thread Benjamin Herrenschmidt
On Thu, 2015-02-19 at 18:56 -0600, Bjorn Helgaas wrote: > So there are the two windows of CPU address space that are routed to the > PHB. And the PHB contains one M32 window and sixteen M64 windows. What > happens if the PHB receives an access to something that was in one of the > two CPU addres

Re: [PATCH V11 06/17] powerpc/pci: Add PCI resource alignment documentation

2015-02-19 Thread Bjorn Helgaas
On Tue, Feb 10, 2015 at 12:02:31PM +1100, Benjamin Herrenschmidt wrote: > On Wed, 2015-02-04 at 17:44 -0600, Bjorn Helgaas wrote: > > > > > > diff --git a/Documentation/powerpc/pci_iov_resource_on_powernv.txt > > > b/Documentation/powerpc/pci_iov_resource_on_powernv.txt > > > new file mode 100644

Re: [PATCH V11 06/17] powerpc/pci: Add PCI resource alignment documentation

2015-02-09 Thread Benjamin Herrenschmidt
On Wed, 2015-02-04 at 17:44 -0600, Bjorn Helgaas wrote: > > > > diff --git a/Documentation/powerpc/pci_iov_resource_on_powernv.txt > > b/Documentation/powerpc/pci_iov_resource_on_powernv.txt > > new file mode 100644 > > index 000..10d4ac2 > > --- /dev/null > > +++ b/Documentation/powerpc/pci_

Re: [PATCH V11 06/17] powerpc/pci: Add PCI resource alignment documentation

2015-02-04 Thread Bjorn Helgaas
On Thu, Jan 15, 2015 at 10:27:56AM +0800, Wei Yang wrote: > In order to enable SRIOV on PowerNV platform, the PF's IOV BAR needs to be > adjusted: > 1. size expaned > 2. aligned to M64BT size > > This patch documents this change on the reason and how. > > Signed-off-by: Wei Yang > --- >

[PATCH V11 06/17] powerpc/pci: Add PCI resource alignment documentation

2015-01-14 Thread Wei Yang
In order to enable SRIOV on PowerNV platform, the PF's IOV BAR needs to be adjusted: 1. size expaned 2. aligned to M64BT size This patch documents this change on the reason and how. Signed-off-by: Wei Yang --- .../powerpc/pci_iov_resource_on_powernv.txt| 215 +++