[PATCH v2] nvme: Add 48-bit DMA address quirk for Amazon NVMe controllers

[Filippo Sironi]

On 2/10/21 8:37 AM, Christoph Hellwig wrote:
> 
> On Wed, Feb 10, 2021 at 01:39:42AM +0100, Filippo Sironi wrote:
>> Amazon NVMe controllers do not support 64-bit DMA addresses; they are
>> limited to 48-bit DMA addresses.  Let's add a quirk to ensure that we
>> make use of 48-bit DMA addresses to avoid misbehavior.
> 
> This should probably say some, and mention that they do not follow
> the spec.  But I can fix this up when applying the patch.
> 

Thanks!

Filippo



Amazon Development Center Germany GmbH
Krausenstr. 38
10117 Berlin
Geschaeftsfuehrung: Christian Schlaeger, Jonathan Weiss
Eingetragen am Amtsgericht Charlottenburg unter HRB 149173 B
Sitz: Berlin
Ust-ID: DE 289 237 879