Re: [PATCH] PCI: Relax ACS requirement for Intel RCiEP devices.

2020-06-01 Thread Bjorn Helgaas
On Mon, Jun 01, 2020 at 03:56:55PM -0600, Alex Williamson wrote: > On Mon, 1 Jun 2020 14:40:23 -0700 > "Raj, Ashok" wrote: > > > On Mon, Jun 01, 2020 at 04:25:19PM -0500, Bjorn Helgaas wrote: > > > On Thu, May 28, 2020 at 01:57:42PM -0700, Ashok Raj wrote: > > > > All Intel platforms guarantee

Re: [PATCH] PCI: Relax ACS requirement for Intel RCiEP devices.

2020-06-01 Thread Alex Williamson
On Mon, 1 Jun 2020 14:40:23 -0700 "Raj, Ashok" wrote: > On Mon, Jun 01, 2020 at 04:25:19PM -0500, Bjorn Helgaas wrote: > > On Thu, May 28, 2020 at 01:57:42PM -0700, Ashok Raj wrote: > > > All Intel platforms guarantee that all root complex implementations > > > must send transactions up to IOMM

Re: [PATCH] PCI: Relax ACS requirement for Intel RCiEP devices.

2020-06-01 Thread Raj, Ashok
On Mon, Jun 01, 2020 at 04:25:19PM -0500, Bjorn Helgaas wrote: > On Thu, May 28, 2020 at 01:57:42PM -0700, Ashok Raj wrote: > > All Intel platforms guarantee that all root complex implementations > > must send transactions up to IOMMU for address translations. Hence for > > RCiEP devices that are V

Re: [PATCH] PCI: Relax ACS requirement for Intel RCiEP devices.

2020-06-01 Thread Bjorn Helgaas
On Thu, May 28, 2020 at 01:57:42PM -0700, Ashok Raj wrote: > All Intel platforms guarantee that all root complex implementations > must send transactions up to IOMMU for address translations. Hence for > RCiEP devices that are Vendor ID Intel, can claim exception for lack of > ACS support. > > >

Re: Re: [PATCH] PCI: Relax ACS requirement for Intel RCiEP devices.

2020-05-29 Thread Darrel Goeddel
On 5/28/20 4:38 PM, Alex Williamson wrote: On Thu, 28 May 2020 13:57:42 -0700 Ashok Raj wrote: All Intel platforms guarantee that all root complex implementations must send transactions up to IOMMU for address translations. Hence for RCiEP devices that are Vendor ID Intel, can claim exception

Re: [PATCH] PCI: Relax ACS requirement for Intel RCiEP devices.

2020-05-28 Thread Raj, Ashok
On Thu, May 28, 2020 at 03:38:26PM -0600, Alex Williamson wrote: > On Thu, 28 May 2020 13:57:42 -0700 > Ashok Raj wrote: > > > All Intel platforms guarantee that all root complex implementations > > must send transactions up to IOMMU for address translations. Hence for > > RCiEP devices that are

Re: [PATCH] PCI: Relax ACS requirement for Intel RCiEP devices.

2020-05-28 Thread Alex Williamson
On Thu, 28 May 2020 13:57:42 -0700 Ashok Raj wrote: > All Intel platforms guarantee that all root complex implementations > must send transactions up to IOMMU for address translations. Hence for > RCiEP devices that are Vendor ID Intel, can claim exception for lack of > ACS support. > > > 3.16