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
  14 struct aer_header_log_regs {
  15         unsigned int dw0;
  16         unsigned int dw1;
  17         unsigned int dw2;
  18         unsigned int dw3;
  19 };
  20
  21 struct 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 */
  38 int pci_enable_pcie_error_reporting(struct pci_dev *dev);
  39 int pci_disable_pcie_error_reporting(struct pci_dev *dev);
  40 int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev);
  41 #else
  42 static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev)
  43 {
  44         return -EINVAL;
  45 }
  46 static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev)
  47 {
  48         return -EINVAL;
  49 }
  50 static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
  51 {
  52         return -EINVAL;
  53 }
  54 #endif
  55
  56 void cper_print_aer(struct pci_dev *dev, int cper_severity,
  57                     struct aer_capability_regs *aer);
  58 int cper_severity_to_aer(int cper_severity);
  59 void 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