xref: /openbmc/linux/drivers/edac/edac_module.h (revision f8e17c17)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 
3 /*
4  * edac_module.h
5  *
6  * For defining functions/data for within the EDAC_CORE module only
7  *
8  * written by doug thompson <norsk5@xmission.h>
9  */
10 
11 #ifndef	__EDAC_MODULE_H__
12 #define	__EDAC_MODULE_H__
13 
14 #include "edac_mc.h"
15 #include "edac_pci.h"
16 #include "edac_device.h"
17 
18 /*
19  * INTERNAL EDAC MODULE:
20  * EDAC memory controller sysfs create/remove functions
21  * and setup/teardown functions
22  *
23  * edac_mc objects
24  */
25 	/* on edac_mc_sysfs.c */
26 int edac_mc_sysfs_init(void);
27 void edac_mc_sysfs_exit(void);
28 extern int edac_create_sysfs_mci_device(struct mem_ctl_info *mci,
29 					const struct attribute_group **groups);
30 extern void edac_remove_sysfs_mci_device(struct mem_ctl_info *mci);
31 void edac_unregister_sysfs(struct mem_ctl_info *mci);
32 extern int edac_get_log_ue(void);
33 extern int edac_get_log_ce(void);
34 extern int edac_get_panic_on_ue(void);
35 extern int edac_mc_get_log_ue(void);
36 extern int edac_mc_get_log_ce(void);
37 extern int edac_mc_get_panic_on_ue(void);
38 extern int edac_get_poll_msec(void);
39 extern unsigned int edac_mc_get_poll_msec(void);
40 
41 unsigned edac_dimm_info_location(struct dimm_info *dimm, char *buf,
42 				 unsigned len);
43 
44 	/* on edac_device.c */
45 extern int edac_device_register_sysfs_main_kobj(
46 				struct edac_device_ctl_info *edac_dev);
47 extern void edac_device_unregister_sysfs_main_kobj(
48 				struct edac_device_ctl_info *edac_dev);
49 extern int edac_device_create_sysfs(struct edac_device_ctl_info *edac_dev);
50 extern void edac_device_remove_sysfs(struct edac_device_ctl_info *edac_dev);
51 
52 /* edac core workqueue: single CPU mode */
53 int edac_workqueue_setup(void);
54 void edac_workqueue_teardown(void);
55 bool edac_queue_work(struct delayed_work *work, unsigned long delay);
56 bool edac_stop_work(struct delayed_work *work);
57 bool edac_mod_work(struct delayed_work *work, unsigned long delay);
58 
59 extern void edac_device_reset_delay_period(struct edac_device_ctl_info
60 					   *edac_dev, unsigned long value);
61 extern void edac_mc_reset_delay_period(unsigned long value);
62 
63 extern void *edac_align_ptr(void **p, unsigned size, int n_elems);
64 
65 /*
66  * EDAC debugfs functions
67  */
68 
69 #define edac_debugfs_remove_recursive debugfs_remove_recursive
70 #define edac_debugfs_remove debugfs_remove
71 #ifdef CONFIG_EDAC_DEBUG
72 void edac_debugfs_init(void);
73 void edac_debugfs_exit(void);
74 void edac_create_debugfs_nodes(struct mem_ctl_info *mci);
75 struct dentry *edac_debugfs_create_dir(const char *dirname);
76 struct dentry *
77 edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent);
78 struct dentry *
79 edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
80 			 void *data, const struct file_operations *fops);
81 void edac_debugfs_create_x8(const char *name, umode_t mode,
82 			    struct dentry *parent, u8 *value);
83 void edac_debugfs_create_x16(const char *name, umode_t mode,
84 			     struct dentry *parent, u16 *value);
85 void edac_debugfs_create_x32(const char *name, umode_t mode,
86 			     struct dentry *parent, u32 *value);
87 #else
88 static inline void edac_debugfs_init(void)					{ }
89 static inline void edac_debugfs_exit(void)					{ }
90 static inline void edac_create_debugfs_nodes(struct mem_ctl_info *mci)		{ }
91 static inline struct dentry *edac_debugfs_create_dir(const char *dirname)	{ return NULL; }
92 static inline struct dentry *
93 edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent)		{ return NULL; }
94 static inline struct dentry *
95 edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
96 			 void *data, const struct file_operations *fops)	{ return NULL; }
97 static inline void edac_debugfs_create_x8(const char *name, umode_t mode,
98 					  struct dentry *parent, u8 *value)	{ }
99 static inline void edac_debugfs_create_x16(const char *name, umode_t mode,
100 					   struct dentry *parent, u16 *value)	{ }
101 static inline void edac_debugfs_create_x32(const char *name, umode_t mode,
102 		       struct dentry *parent, u32 *value)			{ }
103 #endif
104 
105 /*
106  * EDAC PCI functions
107  */
108 #ifdef	CONFIG_PCI
109 extern void edac_pci_do_parity_check(void);
110 extern void edac_pci_clear_parity_errors(void);
111 extern int edac_sysfs_pci_setup(void);
112 extern void edac_sysfs_pci_teardown(void);
113 extern int edac_pci_get_check_errors(void);
114 extern int edac_pci_get_poll_msec(void);
115 extern void edac_pci_remove_sysfs(struct edac_pci_ctl_info *pci);
116 extern void edac_pci_handle_pe(struct edac_pci_ctl_info *pci, const char *msg);
117 extern void edac_pci_handle_npe(struct edac_pci_ctl_info *pci,
118 				const char *msg);
119 #else				/* CONFIG_PCI */
120 /* pre-process these away */
121 #define edac_pci_do_parity_check()
122 #define edac_pci_clear_parity_errors()
123 #define edac_sysfs_pci_setup()  (0)
124 #define edac_sysfs_pci_teardown()
125 #define edac_pci_get_check_errors()
126 #define edac_pci_get_poll_msec()
127 #define edac_pci_handle_pe()
128 #define edac_pci_handle_npe()
129 #endif				/* CONFIG_PCI */
130 
131 #endif				/* __EDAC_MODULE_H__ */
132