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