Re: [virtio-dev] [RFC] virtio-iommu version 0.4

2017-10-26 Thread Auger Eric
Hi Jean, On 04/08/2017 20:19, Jean-Philippe Brucker wrote: > This is the continuation of my proposal for virtio-iommu, the para- > virtualized IOMMU. Here is a summary of the changes since last time [1]: > > * The virtio-iommu document now resembles an actual specification. It is > split into

Re: [virtio-dev] [RFC] virtio-iommu version 0.4

2017-10-26 Thread Auger Eric
Hi Jean-Philippe, On 04/08/2017 20:19, Jean-Philippe Brucker wrote: > This is the continuation of my proposal for virtio-iommu, the para- > virtualized IOMMU. Here is a summary of the changes since last time [1]: > > * The virtio-iommu document now resembles an actual specification. It is >

Re: [virtio-dev] [RFC] virtio-iommu version 0.4

2017-10-09 Thread Jean-Philippe Brucker
Hi Eric, On 03/10/17 14:04, Auger Eric wrote: > When rebasing the v0.4 driver on master I observe a regression: commands > are not received properly by QEMU (typically an attach command is > received with a type of 0). After a bisection of the guest kernel the > first commit the problem appears

Re: [virtio-dev] [RFC] virtio-iommu version 0.4

2017-09-25 Thread Jean-Philippe Brucker
On 21/09/17 07:41, Tian, Kevin wrote: >> From: Jean-Philippe Brucker [mailto:jean-philippe.bruc...@arm.com] >> Sent: Wednesday, September 6, 2017 7:49 PM >> >> >>> 2.6.8.2.1 >>> Multiple overlapping RESV_MEM properties are merged together. Device >>> requirement? if same types I assume? >> >>

RE: [virtio-dev] [RFC] virtio-iommu version 0.4

2017-09-21 Thread Tian, Kevin
> From: Jean-Philippe Brucker [mailto:jean-philippe.bruc...@arm.com] > Sent: Wednesday, September 6, 2017 7:49 PM > > > > 2.6.8.2.1 > > Multiple overlapping RESV_MEM properties are merged together. Device > > requirement? if same types I assume? > > Combination rules apply to device and driver.

Re: [virtio-dev] [RFC] virtio-iommu version 0.4

2017-09-06 Thread Jean-Philippe Brucker
Hi Eric, On 23/08/17 14:55, Auger Eric wrote: > Please find some comments/questions below: Thanks a lot for this. Sorry for the delay, I was on holiday and it took me a while to sort out the details. > 2.6.7:1 > I do not understand the footnode #6 sentence: 'Without a specific > definition of

RE: [virtio-dev] [RFC] virtio-iommu version 0.4

2017-08-17 Thread Bharat Bhushan
redhat.com; kevin.t...@intel.com > Subject: Re: [virtio-dev] [RFC] virtio-iommu version 0.4 > > Hi Adam, > > On 16/08/17 05:08, Adam Tao wrote: > >> * There is a working Qemu prototype [3], thanks to Eric Auger and Bharat > >> Bhushan. > > Hi, Brucker &g

Re: [virtio-dev] [RFC] virtio-iommu version 0.4

2017-08-17 Thread Jean-Philippe Brucker
Hi Adam, On 16/08/17 05:08, Adam Tao wrote: >> * There is a working Qemu prototype [3], thanks to Eric Auger and Bharat >> Bhushan. > Hi, Brucker > I read the related spec for virtio IOMMU, > I am wondering if we support both the virtual and physical devices in > the guest to use the virtio