Re: [PATCH v3 3/7] PCI: OF: Allow endpoints to bypass the iommu

2018-10-22 Thread Jean-Philippe Brucker
On 17/10/2018 16:14, Michael S. Tsirkin wrote: >>> Thinking about this comment, I would like to ask: can't the >>> virtio device indicate the ranges in a portable way? >>> This would minimize the dependency on dt bindings and ACPI, >>> enabling support for systems that have neither but do >>> have

Re: [PATCH v3 3/7] PCI: OF: Allow endpoints to bypass the iommu

2018-10-18 Thread Robin Murphy
On 17/10/18 16:14, Michael S. Tsirkin wrote: On Mon, Oct 15, 2018 at 08:46:41PM +0100, Jean-philippe Brucker wrote: [Replying with my personal address because we're having SMTP issues] On 15/10/2018 11:52, Michael S. Tsirkin wrote: On Fri, Oct 12, 2018 at 02:41:59PM -0500, Bjorn Helgaas

Re: [PATCH v3 3/7] PCI: OF: Allow endpoints to bypass the iommu

2018-10-17 Thread Michael S. Tsirkin
On Mon, Oct 15, 2018 at 08:46:41PM +0100, Jean-philippe Brucker wrote: > [Replying with my personal address because we're having SMTP issues] > > On 15/10/2018 11:52, Michael S. Tsirkin wrote: > > On Fri, Oct 12, 2018 at 02:41:59PM -0500, Bjorn Helgaas wrote: > >> s/iommu/IOMMU/ in subject > >> >

Re: [PATCH v3 3/7] PCI: OF: Allow endpoints to bypass the iommu

2018-10-15 Thread Robin Murphy
On 12/10/18 20:41, Bjorn Helgaas wrote: s/iommu/IOMMU/ in subject On Fri, Oct 12, 2018 at 03:59:13PM +0100, Jean-Philippe Brucker wrote: Using the iommu-map binding, endpoints in a given PCI domain can be managed by different IOMMUs. Some virtual machines may allow a subset of endpoints to

Re: [PATCH v3 3/7] PCI: OF: Allow endpoints to bypass the iommu

2018-10-15 Thread Michael S. Tsirkin
On Fri, Oct 12, 2018 at 02:41:59PM -0500, Bjorn Helgaas wrote: > s/iommu/IOMMU/ in subject > > On Fri, Oct 12, 2018 at 03:59:13PM +0100, Jean-Philippe Brucker wrote: > > Using the iommu-map binding, endpoints in a given PCI domain can be > > managed by different IOMMUs. Some virtual machines may