RE: [RFC 00/20] Introduce /dev/iommu for userspace I/O address space management

2021-09-21 Thread Liu, Yi L
> From: Jason Gunthorpe > Sent: Tuesday, September 21, 2021 9:45 PM > > On Sun, Sep 19, 2021 at 02:38:28PM +0800, Liu Yi L wrote: > > Linux now includes multiple device-passthrough frameworks (e.g. VFIO > and > > vDPA) to manage secure device access from the userspace. One critical > task > > of

Re: [RFC 00/20] Introduce /dev/iommu for userspace I/O address space management

2021-09-21 Thread Jason Gunthorpe via iommu
On Sun, Sep 19, 2021 at 02:38:28PM +0800, Liu Yi L wrote: > Linux now includes multiple device-passthrough frameworks (e.g. VFIO and > vDPA) to manage secure device access from the userspace. One critical task > of those frameworks is to put the assigned device in a secure, IOMMU- > protected conte

RE: [RFC 00/20] Introduce /dev/iommu for userspace I/O address space management

2021-09-18 Thread Liu, Yi L
> From: Liu, Yi L > Sent: Sunday, September 19, 2021 2:38 PM [...] > [Series Overview] > > * Basic skeleton: > 0001-iommu-iommufd-Add-dev-iommu-core.patch > > * VFIO PCI creates device-centric interface: > 0002-vfio-Add-device-class-for-dev-vfio-devices.patch > 0003-vfio-Add-vfio_-un-regist