Re: [PATCH v12 1/8] cxl/mbox: Flag support for Dynamic Capacity Devices (DCD)

Gregory Price <[email protected]> Tue, 4 Aug 2026 11:45:34 -0400

Newsgroups	org.kernel.vger.linux-cxl,dev.linux.lists.nvdimm,org.kernel.vger.linux-kernel
Message-ID	<anIJFdtTEmofty6U@gourry-fedora-PF4VCD3F>

On Fri, Jul 31, 2026 at 01:48:06AM -0700, Anisa Su wrote:
> From: Ira Weiny <[email protected]>
> 
> Per the CXL 4.0 specification software must check the Command Effects
> Log (CEL) for dynamic capacity command support.
> 
> Detect support for the DCD commands while reading the CEL, including:
> 
>         Get DC Config
>         Get DC Extent List
>         Add DC Response
>         Release DC
> 
> Based on an original patch by Navneet Singh.
> 
> Signed-off-by: Ira Weiny <[email protected]>
> Signed-off-by: Anisa Su <[email protected]>
> Tested-by: Wonjae Lee <[email protected]>
> Tested-by: Junhee Park <[email protected]>
> Tested-by: Heesoo Kim <[email protected]>
> 

Reviewed-by: Gregory Price (Meta) <[email protected]>