2 * Defines, structures, APIs for edac_core module
4 * (C) 2007 Linux Networx (http://lnxi.com)
5 * This file may be distributed under the terms of the
6 * GNU General Public License.
8 * Written by Thayne Harbaugh
9 * Based on work by Dan Hollis <goemon at anime dot net> and others.
10 * http://www.anime.net/~goemon/linux-ecc/
12 * NMI handling support added by
13 * Dave Peterson <dsp@llnl.gov> <dave_peterson@pobox.com>
15 * Refactored for multi-source files:
16 * Doug Thompson <norsk5@xmission.com>
23 #include <linux/kernel.h>
24 #include <linux/types.h>
25 #include <linux/module.h>
26 #include <linux/spinlock.h>
27 #include <linux/smp.h>
28 #include <linux/pci.h>
29 #include <linux/time.h>
30 #include <linux/nmi.h>
31 #include <linux/rcupdate.h>
32 #include <linux/completion.h>
33 #include <linux/kobject.h>
34 #include <linux/platform_device.h>
35 #include <linux/workqueue.h>
36 #include <linux/edac.h>
39 #include "edac_device.h"
42 #define PAGES_TO_MiB(pages) ((pages) >> (20 - PAGE_SHIFT))
43 #define MiB_TO_PAGES(mb) ((mb) << (20 - PAGE_SHIFT))
44 #else /* PAGE_SHIFT > 20 */
45 #define PAGES_TO_MiB(pages) ((pages) << (PAGE_SHIFT - 20))
46 #define MiB_TO_PAGES(mb) ((mb) >> (PAGE_SHIFT - 20))
49 #define edac_printk(level, prefix, fmt, arg...) \
50 printk(level "EDAC " prefix ": " fmt, ##arg)
52 #define edac_mc_printk(mci, level, fmt, arg...) \
53 printk(level "EDAC MC%d: " fmt, mci->mc_idx, ##arg)
55 #define edac_mc_chipset_printk(mci, level, prefix, fmt, arg...) \
56 printk(level "EDAC " prefix " MC%d: " fmt, mci->mc_idx, ##arg)
58 #define edac_device_printk(ctl, level, fmt, arg...) \
59 printk(level "EDAC DEVICE%d: " fmt, ctl->dev_idx, ##arg)
61 #define edac_pci_printk(ctl, level, fmt, arg...) \
62 printk(level "EDAC PCI%d: " fmt, ctl->pci_idx, ##arg)
64 /* prefixes for edac_printk() and edac_mc_printk() */
66 #define EDAC_PCI "PCI"
67 #define EDAC_DEBUG "DEBUG"
69 extern const char * const edac_mem_types[];
71 #ifdef CONFIG_EDAC_DEBUG
72 extern int edac_debug_level;
74 #define edac_dbg(level, fmt, ...) \
76 if (level <= edac_debug_level) \
77 edac_printk(KERN_DEBUG, EDAC_DEBUG, \
78 "%s: " fmt, __func__, ##__VA_ARGS__); \
81 #else /* !CONFIG_EDAC_DEBUG */
83 #define edac_dbg(level, fmt, ...) \
86 edac_printk(KERN_DEBUG, EDAC_DEBUG, \
87 "%s: " fmt, __func__, ##__VA_ARGS__); \
90 #endif /* !CONFIG_EDAC_DEBUG */
92 #define PCI_VEND_DEV(vend, dev) PCI_VENDOR_ID_ ## vend, \
93 PCI_DEVICE_ID_ ## vend ## _ ## dev
95 #define edac_dev_name(dev) (dev)->dev_name
97 #define to_mci(k) container_of(k, struct mem_ctl_info, dev)
99 struct mem_ctl_info *edac_mc_alloc(unsigned mc_num,
101 struct edac_mc_layer *layers,
103 extern int edac_mc_add_mc_with_groups(struct mem_ctl_info *mci,
104 const struct attribute_group **groups);
105 #define edac_mc_add_mc(mci) edac_mc_add_mc_with_groups(mci, NULL)
106 extern void edac_mc_free(struct mem_ctl_info *mci);
107 extern struct mem_ctl_info *edac_mc_find(int idx);
108 extern struct mem_ctl_info *find_mci_by_dev(struct device *dev);
109 extern struct mem_ctl_info *edac_mc_del_mc(struct device *dev);
110 extern int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci,
113 void edac_raw_mc_handle_error(const enum hw_event_mc_err_type type,
114 struct mem_ctl_info *mci,
115 struct edac_raw_error_desc *e);
117 void edac_mc_handle_error(const enum hw_event_mc_err_type type,
118 struct mem_ctl_info *mci,
119 const u16 error_count,
120 const unsigned long page_frame_number,
121 const unsigned long offset_in_page,
122 const unsigned long syndrome,
127 const char *other_detail);
132 extern char *edac_op_state_to_string(int op_state);
134 #endif /* _EDAC_CORE_H_ */