summaryrefslogtreecommitdiffstats
path: root/include/linux/aer.h
blob: 4dbaa7081530ac7f770bbb7ce5f5211372469ae8 (plain) (blame)
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
/*
 * 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_

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

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)
/* pci-e 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_cleanup_aer_uncorrect_error_status(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_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
{
	return -EINVAL;
}
#endif

void cper_print_aer(struct pci_dev *dev, int cper_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_