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 #include <linux/types.h> 11 12 #define AER_NONFATAL 0 13 #define AER_FATAL 1 14 #define AER_CORRECTABLE 2 15 16 struct pci_dev; 17 18 struct aer_header_log_regs { 19 unsigned int dw0; 20 unsigned int dw1; 21 unsigned int dw2; 22 unsigned int dw3; 23 }; 24 25 struct aer_capability_regs { 26 u32 header; 27 u32 uncor_status; 28 u32 uncor_mask; 29 u32 uncor_severity; 30 u32 cor_status; 31 u32 cor_mask; 32 u32 cap_control; 33 struct aer_header_log_regs header_log; 34 u32 root_command; 35 u32 root_status; 36 u16 cor_err_source; 37 u16 uncor_err_source; 38 }; 39 40 #if defined(CONFIG_PCIEAER) 41 /* pci-e port driver needs this function to enable aer */ 42 int pci_enable_pcie_error_reporting(struct pci_dev *dev); 43 int pci_disable_pcie_error_reporting(struct pci_dev *dev); 44 int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev); 45 #else pci_enable_pcie_error_reporting(struct pci_dev * dev)46static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev) 47 { 48 return -EINVAL; 49 } pci_disable_pcie_error_reporting(struct pci_dev * dev)50static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev) 51 { 52 return -EINVAL; 53 } pci_cleanup_aer_uncorrect_error_status(struct pci_dev * dev)54static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev) 55 { 56 return -EINVAL; 57 } 58 #endif 59 60 void cper_print_aer(struct pci_dev *dev, int cper_severity, 61 struct aer_capability_regs *aer); 62 int cper_severity_to_aer(int cper_severity); 63 void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn, 64 int severity, 65 struct aer_capability_regs *aer_regs); 66 #endif //_AER_H_ 67 68