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