ras-events.h

/* SPDX-License-Identifier: GPL-2.0-or-later */

/*
 * Copyright (C) 2013 Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
 */

#ifndef __RAS_EVENTS_H
#define __RAS_EVENTS_H

#include <pthread.h>
#include <time.h>

#include "types.h"

extern char *choices_disable;

struct mce_priv;
struct ras_mc_offline_event;

enum {
	MC_EVENT,
	MCE_EVENT,
	AER_EVENT,
	NON_STANDARD_EVENT,
	ARM_EVENT,
	EXTLOG_EVENT,
	DEVLINK_EVENT,
	DISKERROR_EVENT,
	MF_EVENT,
	CXL_POISON_EVENT,
	CXL_AER_UE_EVENT,
	CXL_AER_CE_EVENT,
	CXL_OVERFLOW_EVENT,
	CXL_GENERIC_EVENT,
	CXL_GENERAL_MEDIA_EVENT,
	CXL_DRAM_EVENT,
	CXL_MEMORY_MODULE_EVENT,
	NR_EVENTS
};

struct ras_events {
	char debugfs[MAX_PATH + 1];
	char tracing[MAX_PATH + 1];
	struct tep_handle *pevent;
	int page_size;

	/* Booleans */
	unsigned	use_uptime: 1;
	unsigned        record_events: 1;

	/* For timestamp */
	time_t		uptime_diff;

	/* For ras-record */
	void	*db_priv;
	int	db_ref_count;
	pthread_mutex_t db_lock;

	/* For the mce handler */
	struct mce_priv	*mce_priv;

	/* For ABRT socket*/
	int socketfd;

	struct tep_event_filter *filters[NR_EVENTS];
};

struct pthread_data {
	pthread_t		thread;
	struct tep_handle	*pevent;
	struct ras_events	*ras;
	int			cpu;
};

/* Should match the code at Kernel's include/linux/edac.c */
enum hw_event_mc_err_type {
	HW_EVENT_ERR_CORRECTED,
	HW_EVENT_ERR_UNCORRECTED,
	HW_EVENT_ERR_FATAL,
	HW_EVENT_ERR_INFO,
};

/* Should match the code at Kernel's /drivers/pci/pcie/aer/aerdrv_errprint.c */
enum hw_event_aer_err_type {
	HW_EVENT_AER_UNCORRECTED_NON_FATAL,
	HW_EVENT_AER_UNCORRECTED_FATAL,
	HW_EVENT_AER_CORRECTED,
};

/* Should match the code at Kernel's include/acpi/ghes.h */
enum ghes_severity {
	GHES_SEV_NO,
	GHES_SEV_CORRECTED,
	GHES_SEV_RECOVERABLE,
	GHES_SEV_PANIC,
};

/* Function prototypes */
int toggle_ras_mc_event(int enable);
int ras_offline_mce_event(struct ras_mc_offline_event *event);
int handle_ras_events(int record_events);

#endif