Re: [PATCH v4 2/7] PCI: Add ACS quirk for Amazon Annapurna Labs root ports

2019-09-04 Thread Chocron, Jonathan
On Thu, 2019-08-22 at 09:31 +0100, Andrew Murray wrote: > On Wed, Aug 21, 2019 at 06:35:42PM +0300, Jonathan Chocron wrote: > > From: Ali Saidi > > > > The Amazon's Annapurna Labs root ports don't advertise an ACS > > capability, but they don't allow peer-to-peer transactions and do > > validate

Re: [PATCH v4 2/7] PCI: Add ACS quirk for Amazon Annapurna Labs root ports

2019-08-22 Thread Andrew Murray
On Wed, Aug 21, 2019 at 06:35:42PM +0300, Jonathan Chocron wrote: > From: Ali Saidi > > The Amazon's Annapurna Labs root ports don't advertise an ACS > capability, but they don't allow peer-to-peer transactions and do > validate bus numbers through the SMMU. Additionally, it's not possible > for

[PATCH v4 2/7] PCI: Add ACS quirk for Amazon Annapurna Labs root ports

2019-08-21 Thread Jonathan Chocron
From: Ali Saidi The Amazon's Annapurna Labs root ports don't advertise an ACS capability, but they don't allow peer-to-peer transactions and do validate bus numbers through the SMMU. Additionally, it's not possible for one RP to pass traffic to another RP. Signed-off-by: Ali Saidi Signed-off-by