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trace, AER: Move trace into unified interface 

AER uses a separate trace interface by now. To make it
consistent, move it into unified RAS trace interface.

Signed-off-by: Chen, Gong <gong.chen@linux.intel.com>
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Chen, Gong 2014-06-11 13:57:27 -07:00 committed by Tony Luck
parent 76ac8275f2
commit 0a2409aad3
4 changed files with 66 additions and 80 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/pci/pcie/aer/Kconfig
View File

@ -5,6 +5,7 @@
config PCIEAER config PCIEAER
boolean "Root Port Advanced Error Reporting support" boolean "Root Port Advanced Error Reporting support"
depends on PCIEPORTBUS depends on PCIEPORTBUS
select RAS
default y default y
help help
This enables PCI Express Root Port Advanced Error Reporting This enables PCI Express Root Port Advanced Error Reporting

4
drivers/pci/pcie/aer/aerdrv_errprint.c
View File

@ -22,9 +22,7 @@
#include <linux/cper.h> #include <linux/cper.h>
#include "aerdrv.h" #include "aerdrv.h"
#include <ras/ras_event.h>
#define CREATE_TRACE_POINTS
#include <trace/events/ras.h>
#define AER_AGENT_RECEIVER 0 #define AER_AGENT_RECEIVER 0
#define AER_AGENT_REQUESTER 1 #define AER_AGENT_REQUESTER 1

64
include/ras/ras_event.h
View File

@ -8,6 +8,7 @@
#include <linux/tracepoint.h> #include <linux/tracepoint.h>
#include <linux/edac.h> #include <linux/edac.h>
#include <linux/ktime.h> #include <linux/ktime.h>
#include <linux/aer.h>
/* /*
* Hardware Events Report * Hardware Events Report
@ -94,6 +95,69 @@ TRACE_EVENT(mc_event,
__get_str(driver_detail)) __get_str(driver_detail))
); );
/*
* PCIe AER Trace event
*
* These events are generated when hardware detects a corrected or
* uncorrected event on a PCIe device. The event report has
* the following structure:
*
* char * dev_name - The name of the slot where the device resides
* ([domain:]bus:device.function).
* u32 status - Either the correctable or uncorrectable register
* indicating what error or errors have been seen
* u8 severity - error severity 0:NONFATAL 1:FATAL 2:CORRECTED
*/
#define aer_correctable_errors \
{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"}
#define aer_uncorrectable_errors \
{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"}
TRACE_EVENT(aer_event,
TP_PROTO(const char *dev_name,
const u32 status,
const u8 severity),
TP_ARGS(dev_name, status, severity),
TP_STRUCT__entry(
__string( dev_name, dev_name )
__field( u32, status )
__field( u8, severity )
),
TP_fast_assign(
__assign_str(dev_name, dev_name);
__entry->status = status;
__entry->severity = severity;
),
TP_printk("%s PCIe Bus Error: severity=%s, %s\n",
__get_str(dev_name),
__entry->severity == AER_CORRECTABLE ? "Corrected" :
__entry->severity == AER_FATAL ?
"Fatal" : "Uncorrected, non-fatal",
__entry->severity == AER_CORRECTABLE ?
__print_flags(__entry->status, "|", aer_correctable_errors) :
__print_flags(__entry->status, "|", aer_uncorrectable_errors))
);
#endif /* _TRACE_HW_EVENT_MC_H */ #endif /* _TRACE_HW_EVENT_MC_H */
/* This part must be outside protection */ /* This part must be outside protection */

77
include/trace/events/ras.h
View File

@ -1,77 +0,0 @@
#undef TRACE_SYSTEM
#define TRACE_SYSTEM ras
#if !defined(_TRACE_AER_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_AER_H
#include <linux/tracepoint.h>
#include <linux/aer.h>
/*
* PCIe AER Trace event
*
* These events are generated when hardware detects a corrected or
* uncorrected event on a PCIe device. The event report has
* the following structure:
*
* char * dev_name - The name of the slot where the device resides
* ([domain:]bus:device.function).
* u32 status - Either the correctable or uncorrectable register
* indicating what error or errors have been seen
* u8 severity - error severity 0:NONFATAL 1:FATAL 2:CORRECTED
*/
#define aer_correctable_errors \
{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"}
#define aer_uncorrectable_errors \
{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"}
TRACE_EVENT(aer_event,
TP_PROTO(const char *dev_name,
const u32 status,
const u8 severity),
TP_ARGS(dev_name, status, severity),
TP_STRUCT__entry(
__string( dev_name, dev_name )
__field( u32, status )
__field( u8, severity )
),
TP_fast_assign(
__assign_str(dev_name, dev_name);
__entry->status = status;
__entry->severity = severity;
),
TP_printk("%s PCIe Bus Error: severity=%s, %s\n",
__get_str(dev_name),
__entry->severity == AER_CORRECTABLE ? "Corrected" :
__entry->severity == AER_FATAL ?
"Fatal" : "Uncorrected, non-fatal",
__entry->severity == AER_CORRECTABLE ?
__print_flags(__entry->status, "|", aer_correctable_errors) :
__print_flags(__entry->status, "|", aer_uncorrectable_errors))
);
#endif /* _TRACE_AER_H */
/* This part must be outside protection */
#include <trace/define_trace.h>