On Wed, 5 Apr 2017 09:51:06 -0400
Sinan Kaya wrote:
> Hi Alex,
>
> Thank you very much for the detailed explanation.
>
> On 4/4/2017 3:39 PM, Alex Williamson wrote:
> > On Tue, 4 Apr 2017 14:47:58 -0400
> > Sinan Kaya wrote:
> >
> [cut]
>
> >> The requirement is to have an
> >> 1. ACS cap
Hi Alex,
Thank you very much for the detailed explanation.
On 4/4/2017 3:39 PM, Alex Williamson wrote:
> On Tue, 4 Apr 2017 14:47:58 -0400
> Sinan Kaya wrote:
>
[cut]
>> The requirement is to have an
>> 1. ACS capability with PCI_ACS_SV if p2p is not supported
>> 2. ACS capability with PCI_AC
On Tue, 4 Apr 2017 14:47:58 -0400
Sinan Kaya wrote:
> I'm looking for a guideline on how Access Control Services (ACS) need to be
> implemented in HW for cases where peer to peer is and isn't supported.
>
> I see conflicting information in the code.
>
> iommu.c calls pci_acs_enabled() from pci
I'm looking for a guideline on how Access Control Services (ACS) need to be
implemented in HW for cases where peer to peer is and isn't supported.
I see conflicting information in the code.
iommu.c calls pci_acs_enabled() from pci_device_group() to determine if
ACS path is enabled for the follow