PCI Error Recovery API Proposal. (WAS:: [PATCH/RFC] PCI ErrorRecovery)

[Nguyen, Tom L]

On Wednesday, March 16, 2005 1:40 PM Paul Mackerras wrote:
>> This API does not support PCI Express AER precise errors. I prefer to
>> have param int message being replaced by union error_src structure as
>> below to include PCI Express AER precise errors.
>
>I think you are misunderstanding the purpose of the "message"
>parameter.  It is not there to give you details of the error that
>occurred, it is there to tell the driver what stage of the recovery
>process we are up to.  The details of the error would be reported
>through an io_check_error() or similar interface.

How does an io_check_error() support PCI Express comprehensive error
information? Would you please explain it to me? Do you think there is an
overlap between error_handler and io_check_error usages when dealing
with notifying the driver of an error occurred?

Thanks,
Long