Re: [PATCH v3 07/25] cxl/core: Separate region mode from decoder mode

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On Fri, 16 Aug 2024 09:44:15 -0500
ira.weiny@xxxxxxxxx wrote:

> From: Navneet Singh <navneet.singh@xxxxxxxxx>
> 
> Until now region modes and decoder modes were equivalent in that both
> modes were either PMEM or RAM.  The addition of Dynamic
> Capacity partitions defines up to 8 DC partitions per device.
> 
> The region mode is thus no longer equivalent to the endpoint decoder
> mode.  IOW the endpoint decoders may have modes of DC0-DC7 while the
> region mode is simply DC.
> 
> Define a new region mode enumeration which applies to regions separate
> from the decoder mode.  Adjust the code to process these modes
> independently.
> 
> There is no equal to decoder mode dead in region modes.  Avoid
> constructing regions with decoders which have been flagged as dead.
> 
> Suggested-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> Signed-off-by: Navneet Singh <navneet.singh@xxxxxxxxx>
> Co-developed-by: Ira Weiny <ira.weiny@xxxxxxxxx>
> Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>




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