[virtio-dev] Re: PCIe ordering and new VIRTIO packed ring format.

2018-01-15 Thread Michael S. Tsirkin
On Sun, Jan 14, 2018 at 07:45:50AM +, Ilya Lesokhin wrote: > Hi, > I have a concern about the portability of offloading the new VIRTIO packed > ring format to hardware. > > According to the PCIe rev 2.0, paragraph 2.4.2. Update Ordering and > Granularity Observed by a Read Transaction" > " i

[virtio-dev] Re: [RFC PATCH v2 1/5] iommu: Add virtio-iommu driver

2018-01-15 Thread Auger Eric
Hi Jean-Philippe, please find some comments below. On 17/11/17 19:52, Jean-Philippe Brucker wrote: > The virtio IOMMU is a para-virtualized device, allowing to send IOMMU > requests such as map/unmap over virtio-mmio transport without emulating > page tables. This implementation handle ATTACH, DE