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 msec);
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 int edac_debugfs_init(void);
73 void edac_debugfs_exit(void);
74 int 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 struct dentry *
82 edac_debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent, u8 *value);
83 struct dentry *
84 edac_debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent, u16 *value);
85 #else
edac_debugfs_init(void)86 static inline int edac_debugfs_init(void) { return -ENODEV; }
edac_debugfs_exit(void)87 static inline void edac_debugfs_exit(void) { }
edac_create_debugfs_nodes(struct mem_ctl_info * mci)88 static inline int edac_create_debugfs_nodes(struct mem_ctl_info *mci) { return 0; }
edac_debugfs_create_dir(const char * dirname)89 static inline struct dentry *edac_debugfs_create_dir(const char *dirname) { return NULL; }
90 static inline struct dentry *
edac_debugfs_create_dir_at(const char * dirname,struct dentry * parent)91 edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent) { return NULL; }
92 static inline struct dentry *
edac_debugfs_create_file(const char * name,umode_t mode,struct dentry * parent,void * data,const struct file_operations * fops)93 edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
94 void *data, const struct file_operations *fops) { return NULL; }
95 static inline struct dentry *
edac_debugfs_create_x8(const char * name,umode_t mode,struct dentry * parent,u8 * value)96 edac_debugfs_create_x8(const char *name, umode_t mode,
97 struct dentry *parent, u8 *value) { return NULL; }
98 static inline struct dentry *
edac_debugfs_create_x16(const char * name,umode_t mode,struct dentry * parent,u16 * value)99 edac_debugfs_create_x16(const char *name, umode_t mode,
100 struct dentry *parent, u16 *value) { return NULL; }
101 #endif
102
103 /*
104 * EDAC PCI functions
105 */
106 #ifdef CONFIG_PCI
107 extern void edac_pci_do_parity_check(void);
108 extern void edac_pci_clear_parity_errors(void);
109 extern int edac_sysfs_pci_setup(void);
110 extern void edac_sysfs_pci_teardown(void);
111 extern int edac_pci_get_check_errors(void);
112 extern int edac_pci_get_poll_msec(void);
113 extern void edac_pci_remove_sysfs(struct edac_pci_ctl_info *pci);
114 extern void edac_pci_handle_pe(struct edac_pci_ctl_info *pci, const char *msg);
115 extern void edac_pci_handle_npe(struct edac_pci_ctl_info *pci,
116 const char *msg);
117 #else /* CONFIG_PCI */
118 /* pre-process these away */
119 #define edac_pci_do_parity_check()
120 #define edac_pci_clear_parity_errors()
121 #define edac_sysfs_pci_setup() (0)
122 #define edac_sysfs_pci_teardown()
123 #define edac_pci_get_check_errors()
124 #define edac_pci_get_poll_msec()
125 #define edac_pci_handle_pe()
126 #define edac_pci_handle_npe()
127 #endif /* CONFIG_PCI */
128
129 #endif /* __EDAC_MODULE_H__ */
130