[dm-devel] [RFC PATCH 3/3] nvme: add the "debug" host driver

[Klaus Jensen]

On Feb  2 08:00, Chaitanya Kulkarni wrote:
> Mikulas,
> 
> On 2/1/22 10:33 AM, Mikulas Patocka wrote:
> > External email: Use caution opening links or attachments
> > 
> > 
> > This patch adds a new driver "nvme-debug". It uses memory as a backing
> > store and it is used to test the copy offload functionality.
> > 
> > Signed-off-by: Mikulas Patocka <mpatocka at redhat.com>
> > 
> 
> 
> NVMe Controller specific memory backed features needs to go into
> QEMU which are targeted for testing and debugging, just like what
> we have done for NVMe ZNS QEMU support and not in kernel.
> 
> I don't see any special reason to make copy offload an exception.
> 

FWIW the emulated nvme device in QEMU already supports the Copy command.
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