linux-kernel - Re: [PATCH 5/5] ACPI, APEI, Document for APEI

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Message-ID: <20100106071609.GA1648@ucw.cz>
Date:	Wed, 6 Jan 2010 08:16:09 +0100
From:	Pavel Machek <pavel@....cz>
To:	Huang Ying <ying.huang@...el.com>
Cc:	lenb@...nel.org, ak@...ux.intel.com, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org
Subject: Re: [PATCH 5/5] ACPI, APEI, Document for APEI


> > +The user interface of EINJ is in debug file system, under the
> > +directory apei/einj. The following files are provided.
> > +
> > +- available_error_type
> > +  Read this file will return the error injection capability of the
> > +  platform, that is, which error types are supported. The error type
> > +  definition is as follow, the left field is the error type value, the
> > +  right field is error description.
> > +
> > +    0x00000001	Processor Correctable
> > +    0x00000002	Processor Uncorrectable non-fatal
> > +    0x00000004	Processor Uncorrectable fatal
> > +    0x00000008  Memory Correctable
> > +    0x00000010  Memory Uncorrectable non-fatal
> > +    0x00000020  Memory Uncorrectable fatal
> > +    0x00000040	PCI Express Correctable
> > +    0x00000080	PCI Express Uncorrectable fatal
> > +    0x00000100	PCI Express Uncorrectable non-fatal
> > +    0x00000200	Platform Correctable
> > +    0x00000400	Platform Uncorrectable non-fatal
> > +    0x00000800	Platform Uncorrectable fatal
> > +
> > +  The format of file contents are as above, except there are only the
> > +  available error type lines.

Strange interface. Why not simply pass single integer -- the bit mask?
Bit meanings are not going to change, anyway.

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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