/*
* Generic EDAC defs
*
* Author: Dave Jiang <djiang@mvista.com>
*
* 2006-2008 (c) MontaVista Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*
*/
#ifndef _LINUX_EDAC_H_
#define _LINUX_EDAC_H_
#include <asm/atomic.h>
#include <linux/sysdev.h>
#define EDAC_OPSTATE_INVAL -1
#define EDAC_OPSTATE_POLL 0
#define EDAC_OPSTATE_NMI 1
#define EDAC_OPSTATE_INT 2
extern int edac_op_state;
extern int edac_err_assert;
extern atomic_t edac_handlers;
extern struct sysdev_class edac_class;
extern int edac_handler_set(void);
extern void edac_atomic_assert_error(void);
extern struct sysdev_class *edac_get_sysfs_class(void);
extern void edac_put_sysfs_class(void);
enum {
EDAC_REPORTING_ENABLED,
EDAC_REPORTING_DISABLED,
EDAC_REPORTING_FORCE
};
extern int edac_report_status;
#ifdef CONFIG_EDAC
static inline int get_edac_report_status(void)
{
return edac_report_status;
}
static inline void set_edac_report_status(int new)
{
edac_report_status = new;
}
#else
static inline int get_edac_report_status(void)
{
return EDAC_REPORTING_DISABLED;
}
static inline void set_edac_report_status(int new)
{
}
#endif
static inline void opstate_init(void)
{
switch (edac_op_state) {
case EDAC_OPSTATE_POLL:
case EDAC_OPSTATE_NMI:
break;
default:
edac_op_state = EDAC_OPSTATE_POLL;
}
return;
}
/**
* enum hw_event_mc_err_type - type of the detected error
*
* @HW_EVENT_ERR_CORRECTED: Corrected Error - Indicates that an ECC
* corrected error was detected
* @HW_EVENT_ERR_UNCORRECTED: Uncorrected Error - Indicates an error that
* can't be corrected by ECC, but it is not
* fatal (maybe it is on an unused memory area,
* or the memory controller could recover from
* it for example, by re-trying the operation).
* @HW_EVENT_ERR_FATAL: Fatal Error - Uncorrected error that could not
* be recovered.
*/
enum hw_event_mc_err_type {
HW_EVENT_ERR_CORRECTED,
HW_EVENT_ERR_UNCORRECTED,
HW_EVENT_ERR_FATAL,
HW_EVENT_ERR_INFO,
};
static inline char *mc_event_error_type(const unsigned int err_type)
{
switch (err_type) {
case HW_EVENT_ERR_CORRECTED:
return "Corrected";
case HW_EVENT_ERR_UNCORRECTED:
return "Uncorrected";
case HW_EVENT_ERR_FATAL:
return "Fatal";
default:
case HW_EVENT_ERR_INFO:
return "Info";
}
}
#endif
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