Re: [Xen-devel] PCIe IOMMU ACS support

2020-03-27 Thread Roman Shaposhnik
n Tian ; Andrew Cooper > > Subject: Re: [Xen-devel] PCIe IOMMU ACS support > > > > On Wed, Mar 25, 2020 at 4:05 AM Roger Pau Monné > > wrote: > > > > > > Adding the PCI and IOMMU maintainers. > > > > > > On Mon, Mar 23, 2020 at 01:55:01PM

Re: [Xen-devel] PCIe IOMMU ACS support

2020-03-27 Thread Paul Durrant
> -Original Message- > From: Roman Shaposhnik > Sent: 26 March 2020 22:03 > To: Roger Pau Monné > Cc: xen-devel@lists.xenproject.org; Jan Beulich ; Paul > Durrant ; > Kevin Tian ; Andrew Cooper > Subject: Re: [Xen-devel] PCIe IOMMU ACS support > > On Wed,

Re: [Xen-devel] PCIe IOMMU ACS support

2020-03-26 Thread Roman Shaposhnik
On Wed, Mar 25, 2020 at 4:05 AM Roger Pau Monné wrote: > > Adding the PCI and IOMMU maintainers. > > On Mon, Mar 23, 2020 at 01:55:01PM -0700, Roman Shaposhnik wrote: > > Hi! > > > > I was going through how Xen support PCIe IOMMU ACS and > > all I could find is this: > > > > https://github.co

Re: [Xen-devel] PCIe IOMMU ACS support

2020-03-25 Thread Roger Pau Monné
Adding the PCI and IOMMU maintainers. On Mon, Mar 23, 2020 at 01:55:01PM -0700, Roman Shaposhnik wrote: > Hi! > > I was going through how Xen support PCIe IOMMU ACS and > all I could find is this: > > https://github.com/xen-project/xen/blob/master/xen/drivers/passthrough/pci.c#L608 > which l

[Xen-devel] PCIe IOMMU ACS support

2020-03-23 Thread Roman Shaposhnik
Hi! I was going through how Xen support PCIe IOMMU ACS and all I could find is this: https://github.com/xen-project/xen/blob/master/xen/drivers/passthrough/pci.c#L608 which looks to me as an attempt of enabling ACS opportunistically, but still proceeding forward even if it fails. Am I missin