xref: /openbmc/linux/drivers/edac/edac_module.h (revision 4f6cce39)
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_mc.h"
14 #include "edac_pci.h"
15 #include "edac_device.h"
16 
17 /*
18  * INTERNAL EDAC MODULE:
19  * EDAC memory controller sysfs create/remove functions
20  * and setup/teardown functions
21  *
22  * edac_mc objects
23  */
24 	/* on edac_mc_sysfs.c */
25 int edac_mc_sysfs_init(void);
26 void edac_mc_sysfs_exit(void);
27 extern int edac_create_sysfs_mci_device(struct mem_ctl_info *mci,
28 					const struct attribute_group **groups);
29 extern void edac_remove_sysfs_mci_device(struct mem_ctl_info *mci);
30 void edac_unregister_sysfs(struct mem_ctl_info *mci);
31 extern int edac_get_log_ue(void);
32 extern int edac_get_log_ce(void);
33 extern int edac_get_panic_on_ue(void);
34 extern int edac_mc_get_log_ue(void);
35 extern int edac_mc_get_log_ce(void);
36 extern int edac_mc_get_panic_on_ue(void);
37 extern int edac_get_poll_msec(void);
38 extern int edac_mc_get_poll_msec(void);
39 
40 unsigned edac_dimm_info_location(struct dimm_info *dimm, char *buf,
41 				 unsigned len);
42 
43 	/* on edac_device.c */
44 extern int edac_device_register_sysfs_main_kobj(
45 				struct edac_device_ctl_info *edac_dev);
46 extern void edac_device_unregister_sysfs_main_kobj(
47 				struct edac_device_ctl_info *edac_dev);
48 extern int edac_device_create_sysfs(struct edac_device_ctl_info *edac_dev);
49 extern void edac_device_remove_sysfs(struct edac_device_ctl_info *edac_dev);
50 
51 /* edac core workqueue: single CPU mode */
52 int edac_workqueue_setup(void);
53 void edac_workqueue_teardown(void);
54 bool edac_queue_work(struct delayed_work *work, unsigned long delay);
55 bool edac_stop_work(struct delayed_work *work);
56 bool edac_mod_work(struct delayed_work *work, unsigned long delay);
57 
58 extern void edac_device_reset_delay_period(struct edac_device_ctl_info
59 					   *edac_dev, unsigned long value);
60 extern void edac_mc_reset_delay_period(unsigned long value);
61 
62 extern void *edac_align_ptr(void **p, unsigned size, int n_elems);
63 
64 /*
65  * EDAC debugfs functions
66  */
67 
68 #define edac_debugfs_remove_recursive debugfs_remove_recursive
69 #define edac_debugfs_remove debugfs_remove
70 #ifdef CONFIG_EDAC_DEBUG
71 int edac_debugfs_init(void);
72 void edac_debugfs_exit(void);
73 int edac_create_debugfs_nodes(struct mem_ctl_info *mci);
74 struct dentry *edac_debugfs_create_dir(const char *dirname);
75 struct dentry *
76 edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent);
77 struct dentry *
78 edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
79 			 void *data, const struct file_operations *fops);
80 struct dentry *
81 edac_debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent, u8 *value);
82 struct dentry *
83 edac_debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent, u16 *value);
84 #else
85 static inline int edac_debugfs_init(void)					{ return -ENODEV; }
86 static inline void edac_debugfs_exit(void)					{ }
87 static inline int edac_create_debugfs_nodes(struct mem_ctl_info *mci)		{ return 0; }
88 static inline struct dentry *edac_debugfs_create_dir(const char *dirname)	{ return NULL; }
89 static inline struct dentry *
90 edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent)		{ return NULL; }
91 static inline struct dentry *
92 edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
93 			 void *data, const struct file_operations *fops)	{ return NULL; }
94 static inline struct dentry *
95 edac_debugfs_create_x8(const char *name, umode_t mode,
96 		       struct dentry *parent, u8 *value)			{ return NULL; }
97 static inline struct dentry *
98 edac_debugfs_create_x16(const char *name, umode_t mode,
99 		       struct dentry *parent, u16 *value)			{ return NULL; }
100 #endif
101 
102 /*
103  * EDAC PCI functions
104  */
105 #ifdef	CONFIG_PCI
106 extern void edac_pci_do_parity_check(void);
107 extern void edac_pci_clear_parity_errors(void);
108 extern int edac_sysfs_pci_setup(void);
109 extern void edac_sysfs_pci_teardown(void);
110 extern int edac_pci_get_check_errors(void);
111 extern int edac_pci_get_poll_msec(void);
112 extern void edac_pci_remove_sysfs(struct edac_pci_ctl_info *pci);
113 extern void edac_pci_handle_pe(struct edac_pci_ctl_info *pci, const char *msg);
114 extern void edac_pci_handle_npe(struct edac_pci_ctl_info *pci,
115 				const char *msg);
116 #else				/* CONFIG_PCI */
117 /* pre-process these away */
118 #define edac_pci_do_parity_check()
119 #define edac_pci_clear_parity_errors()
120 #define edac_sysfs_pci_setup()  (0)
121 #define edac_sysfs_pci_teardown()
122 #define edac_pci_get_check_errors()
123 #define edac_pci_get_poll_msec()
124 #define edac_pci_handle_pe()
125 #define edac_pci_handle_npe()
126 #endif				/* CONFIG_PCI */
127 
128 #endif				/* __EDAC_MODULE_H__ */
129