LXR linux/include/linux/aer.h

   1/*
   2 * Copyright (C) 2006 Intel Corp.
   3 *     Tom Long Nguyen (tom.l.nguyen@intel.com)
   4 *     Zhang Yanmin (yanmin.zhang@intel.com)
   5 */
   6
   7#ifndef _AER_H_
   8#define _AER_H_
   9
  10#include <linux/types.h>
  11
  12#define AER_NONFATAL                    0
  13#define AER_FATAL                       1
  14#define AER_CORRECTABLE                 2
  15
  16struct pci_dev;
  17
  18struct aer_header_log_regs {
  19        unsigned int dw0;
  20        unsigned int dw1;
  21        unsigned int dw2;
  22        unsigned int dw3;
  23};
  24
  25struct aer_capability_regs {
  26        u32 header;
  27        u32 uncor_status;
  28        u32 uncor_mask;
  29        u32 uncor_severity;
  30        u32 cor_status;
  31        u32 cor_mask;
  32        u32 cap_control;
  33        struct aer_header_log_regs header_log;
  34        u32 root_command;
  35        u32 root_status;
  36        u16 cor_err_source;
  37        u16 uncor_err_source;
  38};
  39
  40#if defined(CONFIG_PCIEAER)
  41/* pci-e port driver needs this function to enable aer */
  42int pci_enable_pcie_error_reporting(struct pci_dev *dev);
  43int pci_disable_pcie_error_reporting(struct pci_dev *dev);
  44int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev);
  45#else
  46static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev)
  47{
  48        return -EINVAL;
  49}
  50static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev)
  51{
  52        return -EINVAL;
  53}
  54static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
  55{
  56        return -EINVAL;
  57}
  58#endif
  59
  60void cper_print_aer(struct pci_dev *dev, int cper_severity,
  61                    struct aer_capability_regs *aer);
  62int cper_severity_to_aer(int cper_severity);
  63void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,
  64                       int severity,
  65                       struct aer_capability_regs *aer_regs);
  66#endif //_AER_H_
  67
  68