LXR linux/drivers/edac/edac

   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 */
  26int edac_mc_sysfs_init(void);
  27void edac_mc_sysfs_exit(void);
  28extern int edac_create_sysfs_mci_device(struct mem_ctl_info *mci,
  29                                        const struct attribute_group **groups);
  30extern void edac_remove_sysfs_mci_device(struct mem_ctl_info *mci);
  31void edac_unregister_sysfs(struct mem_ctl_info *mci);
  32extern int edac_get_log_ue(void);
  33extern int edac_get_log_ce(void);
  34extern int edac_get_panic_on_ue(void);
  35extern int edac_mc_get_log_ue(void);
  36extern int edac_mc_get_log_ce(void);
  37extern int edac_mc_get_panic_on_ue(void);
  38extern int edac_get_poll_msec(void);
  39extern int edac_mc_get_poll_msec(void);
  40
  41unsigned edac_dimm_info_location(struct dimm_info *dimm, char *buf,
  42                                 unsigned len);
  43
  44        /* on edac_device.c */
  45extern int edac_device_register_sysfs_main_kobj(
  46                                struct edac_device_ctl_info *edac_dev);
  47extern void edac_device_unregister_sysfs_main_kobj(
  48                                struct edac_device_ctl_info *edac_dev);
  49extern int edac_device_create_sysfs(struct edac_device_ctl_info *edac_dev);
  50extern void edac_device_remove_sysfs(struct edac_device_ctl_info *edac_dev);
  51
  52/* edac core workqueue: single CPU mode */
  53int edac_workqueue_setup(void);
  54void edac_workqueue_teardown(void);
  55bool edac_queue_work(struct delayed_work *work, unsigned long delay);
  56bool edac_stop_work(struct delayed_work *work);
  57bool edac_mod_work(struct delayed_work *work, unsigned long delay);
  58
  59extern void edac_device_reset_delay_period(struct edac_device_ctl_info
  60                                           *edac_dev, unsigned long value);
  61extern void edac_mc_reset_delay_period(unsigned long value);
  62
  63extern 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
  72int edac_debugfs_init(void);
  73void edac_debugfs_exit(void);
  74int edac_create_debugfs_nodes(struct mem_ctl_info *mci);
  75struct dentry *edac_debugfs_create_dir(const char *dirname);
  76struct dentry *
  77edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent);
  78struct dentry *
  79edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
  80                         void *data, const struct file_operations *fops);
  81struct dentry *
  82edac_debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent, u8 *value);
  83struct dentry *
  84edac_debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent, u16 *value);
  85#else
  86static inline int edac_debugfs_init(void)                                       { return -ENODEV; }
  87static inline void edac_debugfs_exit(void)                                      { }
  88static inline int edac_create_debugfs_nodes(struct mem_ctl_info *mci)           { return 0; }
  89static inline struct dentry *edac_debugfs_create_dir(const char *dirname)       { return NULL; }
  90static inline struct dentry *
  91edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent)          { return NULL; }
  92static inline struct dentry *
  93edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
  94                         void *data, const struct file_operations *fops)        { return NULL; }
  95static inline struct dentry *
  96edac_debugfs_create_x8(const char *name, umode_t mode,
  97                       struct dentry *parent, u8 *value)                        { return NULL; }
  98static inline struct dentry *
  99edac_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
 107extern void edac_pci_do_parity_check(void);
 108extern void edac_pci_clear_parity_errors(void);
 109extern int edac_sysfs_pci_setup(void);
 110extern void edac_sysfs_pci_teardown(void);
 111extern int edac_pci_get_check_errors(void);
 112extern int edac_pci_get_poll_msec(void);
 113extern void edac_pci_remove_sysfs(struct edac_pci_ctl_info *pci);
 114extern void edac_pci_handle_pe(struct edac_pci_ctl_info *pci, const char *msg);
 115extern 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