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