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aer.h

aer.h 1.4 KB
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  1. /*
    2. 

  2.  * Copyright (C) 2006 Intel Corp.
    3. 

  3.  *     Tom Long Nguyen (tom.l.nguyen@intel.com)
    4. 

  4.  *     Zhang Yanmin (yanmin.zhang@intel.com)
    5. 

  5.  */
    6. 

  6. 

  7. #ifndef _AER_H_
    8. 

  8. #define _AER_H_
    9. 

  9. 

  10. #define AER_NONFATAL			0
    11. 

  11. #define AER_FATAL			1
    12. 

  12. #define AER_CORRECTABLE			2
    13. 

  13. 

  14. struct aer_header_log_regs {
    15. 

  15. 	unsigned int dw0;
    16. 

  16. 	unsigned int dw1;
    17. 

  17. 	unsigned int dw2;
    18. 

  18. 	unsigned int dw3;
    19. 

  19. };
    20. 

  20. 

  21. struct aer_capability_regs {
    22. 

  22. 	u32 header;
    23. 

  23. 	u32 uncor_status;
    24. 

  24. 	u32 uncor_mask;
    25. 

  25. 	u32 uncor_severity;
    26. 

  26. 	u32 cor_status;
    27. 

  27. 	u32 cor_mask;
    28. 

  28. 	u32 cap_control;
    29. 

  29. 	struct aer_header_log_regs header_log;
    30. 

  30. 	u32 root_command;
    31. 

  31. 	u32 root_status;
    32. 

  32. 	u16 cor_err_source;
    33. 

  33. 	u16 uncor_err_source;
    34. 

  34. };
    35. 

  35. 

  36. #if defined(CONFIG_PCIEAER)
    37. 

  37. /* pci-e port driver needs this function to enable aer */
    38. 

  38. int pci_enable_pcie_error_reporting(struct pci_dev *dev);
    39. 

  39. int pci_disable_pcie_error_reporting(struct pci_dev *dev);
    40. 

  40. int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev);
    41. 

  41. #else
    42. 

  42. static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev)
    43. 

  43. {
    44. 

  44. 	return -EINVAL;
    45. 

  45. }
    46. 

  46. static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev)
    47. 

  47. {
    48. 

  48. 	return -EINVAL;
    49. 

  49. }
    50. 

  50. static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
    51. 

  51. {
    52. 

  52. 	return -EINVAL;
    53. 

  53. }
    54. 

  54. #endif
    55. 

  55. 

  56. void cper_print_aer(const char *prefix, struct pci_dev *dev, int cper_severity,
    57. 

  57. 		    struct aer_capability_regs *aer);
    58. 

  58. int cper_severity_to_aer(int cper_severity);
    59. 

  59. void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,
    60. 

  60. 		       int severity);
    61. 

  61. #endif //_AER_H_
    62. 

  62.