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/errno.h>
  11#include <linux/types.h>
  12
  13#define AER_NONFATAL                    0
  14#define AER_FATAL                       1
  15#define AER_CORRECTABLE                 2
  16
  17struct pci_dev;
  18
  19struct aer_header_log_regs {
  20        unsigned int dw0;
  21        unsigned int dw1;
  22        unsigned int dw2;
  23        unsigned int dw3;
  24};
  25
  26struct aer_capability_regs {
  27        u32 header;
  28        u32 uncor_status;
  29        u32 uncor_mask;
  30        u32 uncor_severity;
  31        u32 cor_status;
  32        u32 cor_mask;
  33        u32 cap_control;
  34        struct aer_header_log_regs header_log;
  35        u32 root_command;
  36        u32 root_status;
  37        u16 cor_err_source;
  38        u16 uncor_err_source;
  39};
  40
  41#if defined(CONFIG_PCIEAER)
  42/* pci-e port driver needs this function to enable aer */
  43int pci_enable_pcie_error_reporting(struct pci_dev *dev);
  44int pci_disable_pcie_error_reporting(struct pci_dev *dev);
  45int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev);
  46int pci_cleanup_aer_error_status_regs(struct pci_dev *dev);
  47#else
  48static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev)
  49{
  50        return -EINVAL;
  51}
  52static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev)
  53{
  54        return -EINVAL;
  55}
  56static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
  57{
  58        return -EINVAL;
  59}
  60static inline int pci_cleanup_aer_error_status_regs(struct pci_dev *dev)
  61{
  62        return -EINVAL;
  63}
  64#endif
  65
  66void cper_print_aer(struct pci_dev *dev, int cper_severity,
  67                    struct aer_capability_regs *aer);
  68int cper_severity_to_aer(int cper_severity);
  69void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,
  70                       int severity,
  71                       struct aer_capability_regs *aer_regs);
  72#endif //_AER_H_
  73
  74