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aer.h

aer.h 1.7 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. #include <linux/types.h>
    11. 

  11. 

  12. #define AER_NONFATAL			0
    13. 

  13. #define AER_FATAL			1
    14. 

  14. #define AER_CORRECTABLE			2
    15. 

  15. 

  16. struct pci_dev;
    17. 

  17. 

  18. struct aer_header_log_regs {
    19. 

  19. 	unsigned int dw0;
    20. 

  20. 	unsigned int dw1;
    21. 

  21. 	unsigned int dw2;
    22. 

  22. 	unsigned int dw3;
    23. 

  23. };
    24. 

  24. 

  25. struct aer_capability_regs {
    26. 

  26. 	u32 header;
    27. 

  27. 	u32 uncor_status;
    28. 

  28. 	u32 uncor_mask;
    29. 

  29. 	u32 uncor_severity;
    30. 

  30. 	u32 cor_status;
    31. 

  31. 	u32 cor_mask;
    32. 

  32. 	u32 cap_control;
    33. 

  33. 	struct aer_header_log_regs header_log;
    34. 

  34. 	u32 root_command;
    35. 

  35. 	u32 root_status;
    36. 

  36. 	u16 cor_err_source;
    37. 

  37. 	u16 uncor_err_source;
    38. 

  38. };
    39. 

  39. 

  40. #if defined(CONFIG_PCIEAER)
    41. 

  41. /* pci-e port driver needs this function to enable aer */
    42. 

  42. int pci_enable_pcie_error_reporting(struct pci_dev *dev);
    43. 

  43. int pci_disable_pcie_error_reporting(struct pci_dev *dev);
    44. 

  44. int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev);
    45. 

  45. int pci_cleanup_aer_error_status_regs(struct pci_dev *dev);
    46. 

  46. #else
    47. 

  47. static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev)
    48. 

  48. {
    49. 

  49. 	return -EINVAL;
    50. 

  50. }
    51. 

  51. static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev)
    52. 

  52. {
    53. 

  53. 	return -EINVAL;
    54. 

  54. }
    55. 

  55. static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
    56. 

  56. {
    57. 

  57. 	return -EINVAL;
    58. 

  58. }
    59. 

  59. static inline int pci_cleanup_aer_error_status_regs(struct pci_dev *dev)
    60. 

  60. {
    61. 

  61. 	return -EINVAL;
    62. 

  62. }
    63. 

  63. #endif
    64. 

  64. 

  65. void cper_print_aer(struct pci_dev *dev, int cper_severity,
    66. 

  66. 		    struct aer_capability_regs *aer);
    67. 

  67. int cper_severity_to_aer(int cper_severity);
    68. 

  68. void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,
    69. 

  69. 		       int severity,
    70. 

  70. 		       struct aer_capability_regs *aer_regs);
    71. 

  71. #endif //_AER_H_
    72. 

  72.