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gerrit-public.fairphone.software / kernel / msm-4.9 / cf9f829523c09272ddddad7decc0e4f15b4976bb / . / include / linux / aer.h
blob: 04602cbe85dcf324bd433a7b93a1e8c6e1f91cbe [file] [log] [blame]
Zhang, Yanmin6c2b3742006-07-31 15:21:33 +0800[diff] [blame]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
Sudip Mukherjeec89e5b82015-12-23 21:05:26 +0530[diff] [blame]10#include <linux/errno.h>
Thierry Redingefd01a72014-08-05 14:08:55 +0200[diff] [blame]11#include <linux/types.h>
12
Betty Dall9e50a912013-06-06 12:10:49 -0600[diff] [blame]13#define AER_NONFATAL 0
14#define AER_FATAL 1
15#define AER_CORRECTABLE 2
16
Mike Qiu5ccb8222014-07-29 10:49:25 -0700[diff] [blame]17struct pci_dev;
18
Huang Yingc413d762011-02-21 13:54:43 +0800[diff] [blame]19struct aer_header_log_regs {
20 unsigned int dw0;
21 unsigned int dw1;
22 unsigned int dw2;
23 unsigned int dw3;
24};
25
26struct aer_capability_regs {
27 u32 header;
28 u32 uncor_status;
29 u32 uncor_mask;
30 u32 uncor_severity;
31 u32 cor_status;
32 u32 cor_mask;
33 u32 cap_control;
34 struct aer_header_log_regs header_log;
35 u32 root_command;
36 u32 root_status;
37 u16 cor_err_source;
38 u16 uncor_err_source;
39};
40
Zhang, Yanmin6c2b3742006-07-31 15:21:33 +0800[diff] [blame]41#if defined(CONFIG_PCIEAER)
42/* pci-e port driver needs this function to enable aer */
Betty Dallfde41b92013-06-06 14:35:35 -0600[diff] [blame]43int pci_enable_pcie_error_reporting(struct pci_dev *dev);
44int pci_disable_pcie_error_reporting(struct pci_dev *dev);
45int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev);
Taku Izumib07461a2015-09-17 10:09:37 -0500[diff] [blame]46int pci_cleanup_aer_error_status_regs(struct pci_dev *dev);
Zhang, Yanmin6c2b3742006-07-31 15:21:33 +0800[diff] [blame]47#else
Randy Dunlap5547bbe2007-08-23 10:37:53 -0700[diff] [blame]48static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev)
49{
50 return -EINVAL;
51}
Randy Dunlap5547bbe2007-08-23 10:37:53 -0700[diff] [blame]52static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev)
53{
54 return -EINVAL;
55}
56static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
57{
58 return -EINVAL;
59}
Taku Izumib07461a2015-09-17 10:09:37 -0500[diff] [blame]60static inline int pci_cleanup_aer_error_status_regs(struct pci_dev *dev)
61{
62 return -EINVAL;
63}
Zhang, Yanmin6c2b3742006-07-31 15:21:33 +0800[diff] [blame]64#endif
65
Tyler Baicar95c35492016-09-14 15:14:45 -0600[diff] [blame]66void cper_print_aer(struct pci_dev *dev, int aer_severity,
Betty Dallfde41b92013-06-06 14:35:35 -0600[diff] [blame]67 struct aer_capability_regs *aer);
68int cper_severity_to_aer(int cper_severity);
69void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,
Linus Torvalds862f0012013-07-03 16:31:35 -0700[diff] [blame]70 int severity,
71 struct aer_capability_regs *aer_regs);
Zhang, Yanmin6c2b3742006-07-31 15:21:33 +0800[diff] [blame]72#endif //_AER_H_
73