RE: [PATCH v7 13/16] vfio/pci: Expose PCIe PASID capability to guest

2020-09-12 Thread Liu, Yi L
Hi Alex, > From: Alex Williamson > Sent: Saturday, September 12, 2020 6:13 AM > > On Thu, 10 Sep 2020 03:45:30 -0700 > Liu Yi L wrote: > > > This patch exposes PCIe PASID capability to guest for assigned devices. > > Existing vfio_pci driver hides it from guest by setting the capability > > le

RE: [PATCH v7 03/16] vfio/type1: Report iommu nesting info to userspace

2020-09-12 Thread Liu, Yi L
Hi Alex, > From: Alex Williamson > Sent: Saturday, September 12, 2020 4:17 AM > > On Thu, 10 Sep 2020 03:45:20 -0700 > Liu Yi L wrote: > > > This patch exports iommu nesting capability info to user space through > > VFIO. Userspace is expected to check this info for supported uAPIs (e.g. > > P

Re: [PATCH v3 6/8] iommu/arm-smmu: Add impl hook for inherit boot mappings

2020-09-12 Thread Bjorn Andersson
On Fri 11 Sep 12:13 CDT 2020, Robin Murphy wrote: > On 2020-09-04 16:55, Bjorn Andersson wrote: > > Add a new operation to allow platform implementations to inherit any > > stream mappings from the boot loader. > > Is there a reason we need an explicit step for this? The aim of the > cfg_probe ho