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 extern int edac_mc_get_log_ue(void);
32 extern int edac_mc_get_log_ce(void);
33 extern int edac_mc_get_panic_on_ue(void);
34 extern unsigned int edac_mc_get_poll_msec(void);
35
36 unsigned edac_dimm_info_location(struct dimm_info *dimm, char *buf,
37 unsigned len);
38
39 /* on edac_device.c */
40 extern int edac_device_register_sysfs_main_kobj(
41 struct edac_device_ctl_info *edac_dev);
42 extern void edac_device_unregister_sysfs_main_kobj(
43 struct edac_device_ctl_info *edac_dev);
44 extern int edac_device_create_sysfs(struct edac_device_ctl_info *edac_dev);
45 extern void edac_device_remove_sysfs(struct edac_device_ctl_info *edac_dev);
46
47 /* edac core workqueue: single CPU mode */
48 int edac_workqueue_setup(void);
49 void edac_workqueue_teardown(void);
50 bool edac_queue_work(struct delayed_work *work, unsigned long delay);
51 bool edac_stop_work(struct delayed_work *work);
52 bool edac_mod_work(struct delayed_work *work, unsigned long delay);
53
54 extern void edac_device_reset_delay_period(struct edac_device_ctl_info
55 *edac_dev, unsigned long msec);
56 extern void edac_mc_reset_delay_period(unsigned long value);
57
58 /*
59 * EDAC debugfs functions
60 */
61
62 #define edac_debugfs_remove_recursive debugfs_remove_recursive
63 #define edac_debugfs_remove debugfs_remove
64 #ifdef CONFIG_EDAC_DEBUG
65 void edac_debugfs_init(void);
66 void edac_debugfs_exit(void);
67 void edac_create_debugfs_nodes(struct mem_ctl_info *mci);
68 struct dentry *edac_debugfs_create_dir(const char *dirname);
69 struct dentry *
70 edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent);
71 struct dentry *
72 edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
73 void *data, const struct file_operations *fops);
74 void edac_debugfs_create_x8(const char *name, umode_t mode,
75 struct dentry *parent, u8 *value);
76 void edac_debugfs_create_x16(const char *name, umode_t mode,
77 struct dentry *parent, u16 *value);
78 void edac_debugfs_create_x32(const char *name, umode_t mode,
79 struct dentry *parent, u32 *value);
80 #else
edac_debugfs_init(void)81 static inline void edac_debugfs_init(void) { }
edac_debugfs_exit(void)82 static inline void edac_debugfs_exit(void) { }
edac_create_debugfs_nodes(struct mem_ctl_info * mci)83 static inline void edac_create_debugfs_nodes(struct mem_ctl_info *mci) { }
edac_debugfs_create_dir(const char * dirname)84 static inline struct dentry *edac_debugfs_create_dir(const char *dirname) { return NULL; }
85 static inline struct dentry *
edac_debugfs_create_dir_at(const char * dirname,struct dentry * parent)86 edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent) { return NULL; }
87 static inline struct dentry *
edac_debugfs_create_file(const char * name,umode_t mode,struct dentry * parent,void * data,const struct file_operations * fops)88 edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
89 void *data, const struct file_operations *fops) { return NULL; }
edac_debugfs_create_x8(const char * name,umode_t mode,struct dentry * parent,u8 * value)90 static inline void edac_debugfs_create_x8(const char *name, umode_t mode,
91 struct dentry *parent, u8 *value) { }
edac_debugfs_create_x16(const char * name,umode_t mode,struct dentry * parent,u16 * value)92 static inline void edac_debugfs_create_x16(const char *name, umode_t mode,
93 struct dentry *parent, u16 *value) { }
edac_debugfs_create_x32(const char * name,umode_t mode,struct dentry * parent,u32 * value)94 static inline void edac_debugfs_create_x32(const char *name, umode_t mode,
95 struct dentry *parent, u32 *value) { }
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