root/include/linux/aer.h

INCLUDED FROM

DEFINITIONS

1. pci_enable_pcie_error_reporting
2. pci_disable_pcie_error_reporting
3. pci_cleanup_aer_uncorrect_error_status

/*
 * 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/types.h>

#define AER_NONFATAL                    0
#define AER_FATAL                       1
#define AER_CORRECTABLE                 2

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

void cper_print_aer(struct pci_dev *dev, int cper_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_