Re: [PATCH v1 1/2] PCI: ATS: Add function to check ATS page aligned request status.

From: sathyanarayanan kuppuswamy
Date: Fri Feb 08 2019 - 20:04:03 EST

On 2/7/19 5:58 PM, Sinan Kaya wrote:

On 2/7/2019 5:16 PM, sathyanarayanan kuppuswamy wrote:
If I remember this right, aligned request is only supported on ATS v1.1
but not supported on v1.0.
Its added in v1.1.

This means that you should probably have some kind of version check

There is no version field in ATS v1.0 spec. Also, If I follow the history log in PCI spec, I think ATS if first added at v1.2. Please correct me if I am wrong.

Sathyanarayanan Kuppuswamy
Linux kernel developer