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
16struct pci_dev;
17
18struct aer_header_log_regs {
19	unsigned int dw0;
20	unsigned int dw1;
21	unsigned int dw2;
22	unsigned int dw3;
23};
24
25struct 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 */
42int pci_enable_pcie_error_reporting(struct pci_dev *dev);
43int pci_disable_pcie_error_reporting(struct pci_dev *dev);
44int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev);
45int pci_cleanup_aer_error_status_regs(struct pci_dev *dev);
46#else
47static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev)
48{
49	return -EINVAL;
50}
51static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev)
52{
53	return -EINVAL;
54}
55static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
56{
57	return -EINVAL;
58}
59static inline int pci_cleanup_aer_error_status_regs(struct pci_dev *dev)
60{
61	return -EINVAL;
62}
63#endif
64
65void cper_print_aer(struct pci_dev *dev, int cper_severity,
66		    struct aer_capability_regs *aer);
67int cper_severity_to_aer(int cper_severity);
68void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,
69		       int severity,
70		       struct aer_capability_regs *aer_regs);
71#endif //_AER_H_
72
73