1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2006 Intel Corp.
4 * Tom Long Nguyen (tom.l.nguyen@intel.com)
5 * Zhang Yanmin (yanmin.zhang@intel.com)
6 */
7
8#ifndef _AER_H_
9#define _AER_H_
10
11#include <linux/errno.h>
12#include <linux/types.h>
13
14#define AER_NONFATAL 0
15#define AER_FATAL 1
16#define AER_CORRECTABLE 2
17#define DPC_FATAL 3
18
19struct pci_dev;
20
21struct aer_header_log_regs {
22 unsigned int dw0;
23 unsigned int dw1;
24 unsigned int dw2;
25 unsigned int dw3;
26};
27
28struct aer_capability_regs {
29 u32 header;
30 u32 uncor_status;
31 u32 uncor_mask;
32 u32 uncor_severity;
33 u32 cor_status;
34 u32 cor_mask;
35 u32 cap_control;
36 struct aer_header_log_regs header_log;
37 u32 root_command;
38 u32 root_status;
39 u16 cor_err_source;
40 u16 uncor_err_source;
41};
42
43#if defined(CONFIG_PCIEAER)
44int pci_aer_clear_nonfatal_status(struct pci_dev *dev);
45int pcie_aer_is_native(struct pci_dev *dev);
46#else
47static inline int pci_aer_clear_nonfatal_status(struct pci_dev *dev)
48{
49 return -EINVAL;
50}
51static inline int pcie_aer_is_native(struct pci_dev *dev) { return 0; }
52#endif
53
54void pci_print_aer(struct pci_dev *dev, int aer_severity,
55 struct aer_capability_regs *aer);
56int cper_severity_to_aer(int cper_severity);
57void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,
58 int severity, struct aer_capability_regs *aer_regs);
59#endif //_AER_H_
60
61

source code of linux/include/linux/aer.h