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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
6c2b374d ZY |
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 | ||
c89e5b80 | 11 | #include <linux/errno.h> |
efd01a72 TR |
12 | #include <linux/types.h> |
13 | ||
9e50a912 BD |
14 | #define AER_NONFATAL 0 |
15 | #define AER_FATAL 1 | |
16 | #define AER_CORRECTABLE 2 | |
17 | ||
5ccb8225 MQ |
18 | struct pci_dev; |
19 | ||
c413d768 HY |
20 | struct aer_header_log_regs { |
21 | unsigned int dw0; | |
22 | unsigned int dw1; | |
23 | unsigned int dw2; | |
24 | unsigned int dw3; | |
25 | }; | |
26 | ||
27 | struct aer_capability_regs { | |
28 | u32 header; | |
29 | u32 uncor_status; | |
30 | u32 uncor_mask; | |
31 | u32 uncor_severity; | |
32 | u32 cor_status; | |
33 | u32 cor_mask; | |
34 | u32 cap_control; | |
35 | struct aer_header_log_regs header_log; | |
36 | u32 root_command; | |
37 | u32 root_status; | |
38 | u16 cor_err_source; | |
39 | u16 uncor_err_source; | |
40 | }; | |
41 | ||
6c2b374d | 42 | #if defined(CONFIG_PCIEAER) |
96291d56 | 43 | /* PCIe port driver needs this function to enable AER */ |
fde41b9f BD |
44 | int pci_enable_pcie_error_reporting(struct pci_dev *dev); |
45 | int pci_disable_pcie_error_reporting(struct pci_dev *dev); | |
46 | int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev); | |
b07461a8 | 47 | int pci_cleanup_aer_error_status_regs(struct pci_dev *dev); |
6c2b374d | 48 | #else |
5547bbee RD |
49 | static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev) |
50 | { | |
51 | return -EINVAL; | |
52 | } | |
5547bbee RD |
53 | static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev) |
54 | { | |
55 | return -EINVAL; | |
56 | } | |
57 | static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev) | |
58 | { | |
59 | return -EINVAL; | |
60 | } | |
b07461a8 TI |
61 | static inline int pci_cleanup_aer_error_status_regs(struct pci_dev *dev) |
62 | { | |
63 | return -EINVAL; | |
64 | } | |
6c2b374d ZY |
65 | #endif |
66 | ||
95c35491 | 67 | void cper_print_aer(struct pci_dev *dev, int aer_severity, |
fde41b9f BD |
68 | struct aer_capability_regs *aer); |
69 | int cper_severity_to_aer(int cper_severity); | |
70 | void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn, | |
96291d56 | 71 | int severity, struct aer_capability_regs *aer_regs); |
6c2b374d ZY |
72 | #endif //_AER_H_ |
73 |