Release 4.18 include/linux/aer.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2006 Intel Corp.
 *     Tom Long Nguyen (tom.l.nguyen@intel.com)
 *     Zhang Yanmin (yanmin.zhang@intel.com)
 */

#ifndef _AER_H_

#define _AER_H_

#include <linux/errno.h>
#include <linux/types.h>


#define AER_NONFATAL			0

#define AER_FATAL			1

#define AER_CORRECTABLE			2

#define DPC_FATAL			3

struct pci_dev;


struct aer_header_log_regs {
	
unsigned int dw0;
	
unsigned int dw1;
	
unsigned int dw2;
	
unsigned int dw3;
};


struct aer_capability_regs {
	
u32 header;
	
u32 uncor_status;
	
u32 uncor_mask;
	
u32 uncor_severity;
	
u32 cor_status;
	
u32 cor_mask;
	
u32 cap_control;
	
struct aer_header_log_regs header_log;
	
u32 root_command;
	
u32 root_status;
	
u16 cor_err_source;
	
u16 uncor_err_source;
};

#if defined(CONFIG_PCIEAER)
/* PCIe port driver needs this function to enable AER */
int pci_enable_pcie_error_reporting(struct pci_dev *dev);
int pci_disable_pcie_error_reporting(struct pci_dev *dev);
int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev);
int pci_cleanup_aer_error_status_regs(struct pci_dev *dev);
#else


static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev)
{
	return -EINVAL;
}
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static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev)
{
	return -EINVAL;
}
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static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
{
	return -EINVAL;
}
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static inline int pci_cleanup_aer_error_status_regs(struct pci_dev *dev)
{
	return -EINVAL;
}
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#endif

void cper_print_aer(struct pci_dev *dev, int aer_severity,
		    struct aer_capability_regs *aer);
int cper_severity_to_aer(int cper_severity);
void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,
		       int severity, struct aer_capability_regs *aer_regs);
#endif //_AER_H_

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Directory: include/linux

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