1 /* 2 * Copyright (C) 2006 Intel Corp. 3 * Tom Long Nguyen ([email protected]) 4 * Zhang Yanmin ([email protected]) 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 64