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