Re: [PATCH V14 4/7] cxl/pci: Create PCI DOE mailbox's for memory devices

[Jonathan Cameron]

On Thu, 14 Jul 2022 20:04:21 -0700
ira.weiny@xxxxxxxxx wrote:

> From: Ira Weiny <ira.weiny@xxxxxxxxx>
> 
> DOE mailbox objects will be needed for various mailbox communications
> with each memory device.
> 
> Iterate each DOE mailbox capability and create PCI DOE mailbox objects
> as found.
> 
> It is not anticipated that this is the final resting place for the
> iteration of the DOE devices.  The support of switch ports will drive
> this code into the PCIe side.  In this imagined architecture the CXL
> port driver would then query into the PCI device for the DOE mailbox
> array.
> 
> For now creating the mailboxes in the CXL port is good enough for the
> endpoints.  Later PCIe ports will need to support this to support switch
> ports more generically.
> 
> Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
> Cc: Davidlohr Bueso <dave@xxxxxxxxxxxx>
> Cc: Lukas Wunner <lukas@xxxxxxxxx>
> Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
LGTM

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>