summaryrefslogblamecommitdiff
path: root/include/linux/aer.h
blob: 97f64ba1b34a9d695be4d6d60b539aaf1ada88ba (plain) (tree) 
b24413180f56 ^

6c2b374d7485 ^









c89e5b802458 ^

efd01a72e7ec ^


9e50a9122f04 ^



b09803b5e546 ^

9e50a9122f04 ^

5ccb8225abf2 ^


c413d7682020 ^






















6c2b374d7485 ^

96291d565550 ^

fde41b9fa2d0 ^


894020fdd88c ^

af65d1ad416b ^


6c2b374d7485 ^

5547bbeed37f ^




5547bbeed37f ^




894020fdd88c ^

b07461a8e45b ^



af65d1ad416b ^


6c2b374d7485 ^


95c35491f663 ^

fde41b9fa2d0 ^



96291d565550 ^

6c2b374d7485 ^


1

2
3
4
5
6
7
8
9
10

11

12
13

14
15
16

17

18

19
20

21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42

43

44

45
46

47

48
49

50

51
52
53
54

55
56
57
58

59

60
61
62

63
64

65
66

67

68
69
70

71

72
73

                                      








                                               
                        

                        


                                         
                                         
 

               





















                                              
                           
                                                        

                                                          
                                                       

                                                
     



                                                                      



                                                                       
                                                                    


                       

                                                                

      
                                                          


                                                                        
                                                                           

                
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2006 Intel Corp.
 *     Tom Long Nguyen (tom.l.nguyen@intel.com)
 *     Zhang Yanmin (yanmin.zhang@intel.com)
 */

#ifndef _AER_H_
#define _AER_H_

#include <linux/errno.h>
#include <linux/types.h>

#define AER_NONFATAL			0
#define AER_FATAL			1
#define AER_CORRECTABLE			2
#define DPC_FATAL			3

struct pci_dev;

struct aer_header_log_regs {
	unsigned int dw0;
	unsigned int dw1;
	unsigned int dw2;
	unsigned int dw3;
};

struct aer_capability_regs {
	u32 header;
	u32 uncor_status;
	u32 uncor_mask;
	u32 uncor_severity;
	u32 cor_status;
	u32 cor_mask;
	u32 cap_control;
	struct aer_header_log_regs header_log;
	u32 root_command;
	u32 root_status;
	u16 cor_err_source;
	u16 uncor_err_source;
};

#if defined(CONFIG_PCIEAER)
/* PCIe port driver needs this function to enable AER */
int pci_enable_pcie_error_reporting(struct pci_dev *dev);
int pci_disable_pcie_error_reporting(struct pci_dev *dev);
int pci_aer_clear_nonfatal_status(struct pci_dev *dev);
void pci_save_aer_state(struct pci_dev *dev);
void pci_restore_aer_state(struct pci_dev *dev);
#else
static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev)
{
	return -EINVAL;
}
static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev)
{
	return -EINVAL;
}
static inline int pci_aer_clear_nonfatal_status(struct pci_dev *dev)
{
	return -EINVAL;
}
static inline void pci_save_aer_state(struct pci_dev *dev) {}
static inline void pci_restore_aer_state(struct pci_dev *dev) {}
#endif

void cper_print_aer(struct pci_dev *dev, int aer_severity,
		    struct aer_capability_regs *aer);
int cper_severity_to_aer(int cper_severity);
void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,
		       int severity, struct aer_capability_regs *aer_regs);
#endif //_AER_H_