xref: /openbmc/linux/drivers/edac/edac_module.h (revision 2c684d89)
1 
2 /*
3  * edac_module.h
4  *
5  * For defining functions/data for within the EDAC_CORE module only
6  *
7  * written by doug thompson <norsk5@xmission.h>
8  */
9 
10 #ifndef	__EDAC_MODULE_H__
11 #define	__EDAC_MODULE_H__
12 
13 #include "edac_core.h"
14 
15 /*
16  * INTERNAL EDAC MODULE:
17  * EDAC memory controller sysfs create/remove functions
18  * and setup/teardown functions
19  *
20  * edac_mc objects
21  */
22 	/* on edac_mc_sysfs.c */
23 int edac_mc_sysfs_init(void);
24 void edac_mc_sysfs_exit(void);
25 extern int edac_create_sysfs_mci_device(struct mem_ctl_info *mci,
26 					const struct attribute_group **groups);
27 extern void edac_remove_sysfs_mci_device(struct mem_ctl_info *mci);
28 void edac_unregister_sysfs(struct mem_ctl_info *mci);
29 extern int edac_get_log_ue(void);
30 extern int edac_get_log_ce(void);
31 extern int edac_get_panic_on_ue(void);
32 extern int edac_mc_get_log_ue(void);
33 extern int edac_mc_get_log_ce(void);
34 extern int edac_mc_get_panic_on_ue(void);
35 extern int edac_get_poll_msec(void);
36 extern int edac_mc_get_poll_msec(void);
37 
38 unsigned edac_dimm_info_location(struct dimm_info *dimm, char *buf,
39 				 unsigned len);
40 
41 	/* on edac_device.c */
42 extern int edac_device_register_sysfs_main_kobj(
43 				struct edac_device_ctl_info *edac_dev);
44 extern void edac_device_unregister_sysfs_main_kobj(
45 				struct edac_device_ctl_info *edac_dev);
46 extern int edac_device_create_sysfs(struct edac_device_ctl_info *edac_dev);
47 extern void edac_device_remove_sysfs(struct edac_device_ctl_info *edac_dev);
48 
49 /* edac core workqueue: single CPU mode */
50 extern struct workqueue_struct *edac_workqueue;
51 extern void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev,
52 				    unsigned msec);
53 extern void edac_device_workq_teardown(struct edac_device_ctl_info *edac_dev);
54 extern void edac_device_reset_delay_period(struct edac_device_ctl_info
55 					   *edac_dev, unsigned long value);
56 extern void edac_mc_reset_delay_period(unsigned long value);
57 
58 extern void *edac_align_ptr(void **p, unsigned size, int n_elems);
59 
60 /*
61  * EDAC debugfs functions
62  */
63 
64 #define edac_debugfs_remove_recursive debugfs_remove_recursive
65 #define edac_debugfs_remove debugfs_remove
66 #ifdef CONFIG_EDAC_DEBUG
67 int edac_debugfs_init(void);
68 void edac_debugfs_exit(void);
69 int edac_create_debugfs_nodes(struct mem_ctl_info *mci);
70 struct dentry *edac_debugfs_create_dir(const char *dirname);
71 struct dentry *
72 edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent);
73 struct dentry *
74 edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
75 			 void *data, const struct file_operations *fops);
76 struct dentry *
77 edac_debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent, u8 *value);
78 struct dentry *
79 edac_debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent, u16 *value);
80 #else
81 static inline int edac_debugfs_init(void)					{ return -ENODEV; }
82 static inline void edac_debugfs_exit(void)					{ }
83 static inline int edac_create_debugfs_nodes(struct mem_ctl_info *mci)		{ return 0; }
84 static inline struct dentry *edac_debugfs_create_dir(const char *dirname)	{ return NULL; }
85 static inline struct dentry *
86 edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent)		{ return NULL; }
87 static inline struct dentry *
88 edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
89 			 void *data, const struct file_operations *fops)	{ return NULL; }
90 static inline struct dentry *
91 edac_debugfs_create_x8(const char *name, umode_t mode,
92 		       struct dentry *parent, u8 *value)			{ return NULL; }
93 static inline struct dentry *
94 edac_debugfs_create_x16(const char *name, umode_t mode,
95 		       struct dentry *parent, u16 *value)			{ return NULL; }
96 #endif
97 
98 /*
99  * EDAC PCI functions
100  */
101 #ifdef	CONFIG_PCI
102 extern void edac_pci_do_parity_check(void);
103 extern void edac_pci_clear_parity_errors(void);
104 extern int edac_sysfs_pci_setup(void);
105 extern void edac_sysfs_pci_teardown(void);
106 extern int edac_pci_get_check_errors(void);
107 extern int edac_pci_get_poll_msec(void);
108 extern void edac_pci_remove_sysfs(struct edac_pci_ctl_info *pci);
109 extern void edac_pci_handle_pe(struct edac_pci_ctl_info *pci, const char *msg);
110 extern void edac_pci_handle_npe(struct edac_pci_ctl_info *pci,
111 				const char *msg);
112 #else				/* CONFIG_PCI */
113 /* pre-process these away */
114 #define edac_pci_do_parity_check()
115 #define edac_pci_clear_parity_errors()
116 #define edac_sysfs_pci_setup()  (0)
117 #define edac_sysfs_pci_teardown()
118 #define edac_pci_get_check_errors()
119 #define edac_pci_get_poll_msec()
120 #define edac_pci_handle_pe()
121 #define edac_pci_handle_npe()
122 #endif				/* CONFIG_PCI */
123 
124 #endif				/* __EDAC_MODULE_H__ */
125