Re: [PATCH v19 06/14] PCI/AER: Introduce AER-CXL protocol error kfifo

[sashiko-bot@kernel.org]

> CXL VH RAS handling requires a path for the AER driver to hand off CXL
> protocol errors to cxl_core for logging and recovery before PCIe AER
> recovery tears down the device. Introduce drivers/pci/pcie/aer_cxl_vh.c to
> implement this handoff via a kfifo-backed work item.
> 
> Move is_aer_internal_error() into this new file. It identifies AER internal
> error status bits across both correctable and uncorrectable severities.
> 
> Introduce is_cxl_error() to gate the VH kfifo path.
> 
> Introduce struct cxl_proto_err_work_data to carry the error source PCI
> device and severity through the kfifo.
> 
> Introduce cxl_forward_error() to enqueue a CXL protocol error. A reference
> is taken on the PCI device; the consumer releases it via
> [ ... ]
> bridging code.
> 
> Co-developed-by: Dan Williams <djbw@kernel.org>
> Signed-off-by: Dan Williams <djbw@kernel.org>
> Signed-off-by: Terry Bowman <terry.bowman@amd.com>

Sashiko has reviewed this patch and found no issues. It looks great!

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