linux-kernel - RE: [PATCH v3 1/3] aerdrv: Trace Event for AER

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Date:	Mon, 3 Dec 2012 20:01:46 +0000
From:	"Ortiz, Lance E" <lance.oritz@...com>
To:	Mauro Carvalho Chehab <mchehab@...hat.com>
CC:	"bhelgaas@...gle.com" <bhelgaas@...gle.com>,
	"lance_ortiz@...mail.com" <lance_ortiz@...mail.com>,
	"jiang.liu@...wei.com" <jiang.liu@...wei.com>,
	"tony.luck@...el.com" <tony.luck@...el.com>,
	"bp@...en8.de" <bp@...en8.de>,
	"rostedt@...dmis.org" <rostedt@...dmis.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v3 1/3] aerdrv: Trace Event for AER

> > +#define correctable_error_string			\
> > +	{BIT(0),	"Receiver Error"},		\
> > +	{BIT(6),	"Bad TLP"},			\
> > +	{BIT(7),	"Bad DLLP"},			\
> > +	{BIT(8),	"RELAY_NUM Rollover"},		\
> > +	{BIT(12),	"Replay Timer Timeout"},	\
> > +	{BIT(13),	"Advisory Non-Fatal"}
> 
> Hmm... isn't something missing here? I'm seeing more bits defined at
> the
> PCIe V3.0 spec for Offset 10h:
> 
> bit 14 - Corrected Internal Error
> bit 15 - Header Log Overflow
> 
> > +#define uncorrectable_error_string			\
> > +	{BIT(4),	"Data Link Protocol"},		\
> > +	{BIT(12),	"Poisoned TLP"},		\
> > +	{BIT(13),	"Flow Control Protocol"},	\
> > +	{BIT(14),	"Completion Timeout"},		\
> > +	{BIT(15),	"Completer Abort"},		\
> > +	{BIT(16),	"Unexpected Completion"},	\
> > +	{BIT(17),	"Receiver Overflow"},		\
> > +	{BIT(18),	"Malformed TLP"},		\
> > +	{BIT(19),	"ECRC"},			\
> > +	{BIT(20),	"Unsupported Request"}
> 
> Hmm... isn't something missing here? I'm seeing more bits defined at
> the
> PCIe V3.0 spec for Offset 04h:
> 
> bit 5 - Surprise Down Error
> bit 21 - ACS Violation
> bit 22 - Uncorrectable Internal Error
> bit 23 - MC Blocked TLP
> bit 24 - AtomicOp Egress Blocked
> bit 25 - TLP Prefix Blocked Error
> 

I used the same errors defined in the string arrays at the top of aerdrv_errprint.c.  I am not sure why they were left out in that file.  I will investigate and probably add them as a later patch and then include them in aerdrv_errprint.c also.

Sound good?

Lance

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