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 <acpi/ghes.h>
15 #include "edac_mc.h"
16 #include "edac_pci.h"
17 #include "edac_device.h"
18 
19 /*
20  * INTERNAL EDAC MODULE:
21  * EDAC memory controller sysfs create/remove functions
22  * and setup/teardown functions
23  *
24  * edac_mc objects
25  */
26 	/* on edac_mc_sysfs.c */
27 int edac_mc_sysfs_init(void);
28 void edac_mc_sysfs_exit(void);
29 extern int edac_create_sysfs_mci_device(struct mem_ctl_info *mci,
30 					const struct attribute_group **groups);
31 extern void edac_remove_sysfs_mci_device(struct mem_ctl_info *mci);
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 unsigned int edac_mc_get_poll_msec(void);
36 
37 unsigned edac_dimm_info_location(struct dimm_info *dimm, char *buf,
38 				 unsigned len);
39 
40 	/* on edac_device.c */
41 extern int edac_device_register_sysfs_main_kobj(
42 				struct edac_device_ctl_info *edac_dev);
43 extern void edac_device_unregister_sysfs_main_kobj(
44 				struct edac_device_ctl_info *edac_dev);
45 extern int edac_device_create_sysfs(struct edac_device_ctl_info *edac_dev);
46 extern void edac_device_remove_sysfs(struct edac_device_ctl_info *edac_dev);
47 
48 /* edac core workqueue: single CPU mode */
49 int edac_workqueue_setup(void);
50 void edac_workqueue_teardown(void);
51 bool edac_queue_work(struct delayed_work *work, unsigned long delay);
52 bool edac_stop_work(struct delayed_work *work);
53 bool edac_mod_work(struct delayed_work *work, unsigned long delay);
54 
55 extern void edac_device_reset_delay_period(struct edac_device_ctl_info
56 					   *edac_dev, unsigned long msec);
57 extern void edac_mc_reset_delay_period(unsigned long value);
58 
59 /*
60  * EDAC debugfs functions
61  */
62 
63 #define edac_debugfs_remove_recursive debugfs_remove_recursive
64 #define edac_debugfs_remove debugfs_remove
65 #ifdef CONFIG_EDAC_DEBUG
66 void edac_debugfs_init(void);
67 void edac_debugfs_exit(void);
68 void edac_create_debugfs_nodes(struct mem_ctl_info *mci);
69 struct dentry *edac_debugfs_create_dir(const char *dirname);
70 struct dentry *
71 edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent);
72 struct dentry *
73 edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
74 			 void *data, const struct file_operations *fops);
75 void edac_debugfs_create_x8(const char *name, umode_t mode,
76 			    struct dentry *parent, u8 *value);
77 void edac_debugfs_create_x16(const char *name, umode_t mode,
78 			     struct dentry *parent, u16 *value);
79 void edac_debugfs_create_x32(const char *name, umode_t mode,
80 			     struct dentry *parent, u32 *value);
81 #else
edac_debugfs_init(void)82 static inline void edac_debugfs_init(void)					{ }
edac_debugfs_exit(void)83 static inline void edac_debugfs_exit(void)					{ }
edac_create_debugfs_nodes(struct mem_ctl_info * mci)84 static inline void edac_create_debugfs_nodes(struct mem_ctl_info *mci)		{ }
edac_debugfs_create_dir(const char * dirname)85 static inline struct dentry *edac_debugfs_create_dir(const char *dirname)	{ return NULL; }
86 static inline struct dentry *
edac_debugfs_create_dir_at(const char * dirname,struct dentry * parent)87 edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent)		{ return NULL; }
88 static inline struct dentry *
edac_debugfs_create_file(const char * name,umode_t mode,struct dentry * parent,void * data,const struct file_operations * fops)89 edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
90 			 void *data, const struct file_operations *fops)	{ return NULL; }
edac_debugfs_create_x8(const char * name,umode_t mode,struct dentry * parent,u8 * value)91 static inline void edac_debugfs_create_x8(const char *name, umode_t mode,
92 					  struct dentry *parent, u8 *value)	{ }
edac_debugfs_create_x16(const char * name,umode_t mode,struct dentry * parent,u16 * value)93 static inline void edac_debugfs_create_x16(const char *name, umode_t mode,
94 					   struct dentry *parent, u16 *value)	{ }
edac_debugfs_create_x32(const char * name,umode_t mode,struct dentry * parent,u32 * value)95 static inline void edac_debugfs_create_x32(const char *name, umode_t mode,
96 		       struct dentry *parent, u32 *value)			{ }
97 #endif
98 
99 /*
100  * EDAC PCI functions
101  */
102 #ifdef	CONFIG_PCI
103 extern void edac_pci_do_parity_check(void);
104 extern void edac_pci_clear_parity_errors(void);
105 extern int edac_sysfs_pci_setup(void);
106 extern void edac_sysfs_pci_teardown(void);
107 extern int edac_pci_get_check_errors(void);
108 extern int edac_pci_get_poll_msec(void);
109 extern void edac_pci_remove_sysfs(struct edac_pci_ctl_info *pci);
110 extern void edac_pci_handle_pe(struct edac_pci_ctl_info *pci, const char *msg);
111 extern void edac_pci_handle_npe(struct edac_pci_ctl_info *pci,
112 				const char *msg);
113 #else				/* CONFIG_PCI */
114 /* pre-process these away */
115 #define edac_pci_do_parity_check()
116 #define edac_pci_clear_parity_errors()
117 #define edac_sysfs_pci_setup()  (0)
118 #define edac_sysfs_pci_teardown()
119 #define edac_pci_get_check_errors()
120 #define edac_pci_get_poll_msec()
121 #define edac_pci_handle_pe()
122 #define edac_pci_handle_npe()
123 #endif				/* CONFIG_PCI */
124 
125 #endif				/* __EDAC_MODULE_H__ */
126