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Douglas Thompson7c9281d2007-07-19 01:49:33 -07001/*
2 * Defines, structures, APIs for edac_core module
3 *
4 * (C) 2007 Linux Networx (http://lnxi.com)
5 * This file may be distributed under the terms of the
6 * GNU General Public License.
7 *
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/
11 *
12 * NMI handling support added by
13 * Dave Peterson <dsp@llnl.gov> <dave_peterson@pobox.com>
14 *
15 * Refactored for multi-source files:
16 * Doug Thompson <norsk5@xmission.com>
17 *
18 */
19
20#ifndef _EDAC_CORE_H_
21#define _EDAC_CORE_H_
22
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>
Douglas Thompsone27e3da2007-07-19 01:49:36 -070035#include <linux/workqueue.h>
Mauro Carvalho Chehabddeb3542011-03-04 15:11:29 -030036#include <linux/edac.h>
Douglas Thompson7c9281d2007-07-19 01:49:33 -070037
Douglas Thompsone27e3da2007-07-19 01:49:36 -070038#define EDAC_DEVICE_NAME_LEN 31
39#define EDAC_ATTRIB_VALUE_LEN 15
Douglas Thompson7c9281d2007-07-19 01:49:33 -070040
41#if PAGE_SHIFT < 20
Andrei Konovalov76f04f22010-12-07 07:48:00 -050042#define PAGES_TO_MiB(pages) ((pages) >> (20 - PAGE_SHIFT))
43#define MiB_TO_PAGES(mb) ((mb) << (20 - PAGE_SHIFT))
Douglas Thompson7c9281d2007-07-19 01:49:33 -070044#else /* PAGE_SHIFT > 20 */
Andrei Konovalov76f04f22010-12-07 07:48:00 -050045#define PAGES_TO_MiB(pages) ((pages) << (PAGE_SHIFT - 20))
Mauro Carvalho Chehabe9144602010-08-10 20:26:35 -030046#define MiB_TO_PAGES(mb) ((mb) >> (PAGE_SHIFT - 20))
Douglas Thompson7c9281d2007-07-19 01:49:33 -070047#endif
48
49#define edac_printk(level, prefix, fmt, arg...) \
50 printk(level "EDAC " prefix ": " fmt, ##arg)
51
52#define edac_mc_printk(mci, level, fmt, arg...) \
53 printk(level "EDAC MC%d: " fmt, mci->mc_idx, ##arg)
54
55#define edac_mc_chipset_printk(mci, level, prefix, fmt, arg...) \
56 printk(level "EDAC " prefix " MC%d: " fmt, mci->mc_idx, ##arg)
57
Douglas Thompsone27e3da2007-07-19 01:49:36 -070058#define edac_device_printk(ctl, level, fmt, arg...) \
59 printk(level "EDAC DEVICE%d: " fmt, ctl->dev_idx, ##arg)
60
Dave Jiang91b99042007-07-19 01:49:52 -070061#define edac_pci_printk(ctl, level, fmt, arg...) \
62 printk(level "EDAC PCI%d: " fmt, ctl->pci_idx, ##arg)
63
Douglas Thompson7c9281d2007-07-19 01:49:33 -070064/* prefixes for edac_printk() and edac_mc_printk() */
65#define EDAC_MC "MC"
66#define EDAC_PCI "PCI"
67#define EDAC_DEBUG "DEBUG"
68
Borislav Petkov24f9a7f2010-10-07 18:29:15 +020069extern const char *edac_mem_types[];
70
Douglas Thompson7c9281d2007-07-19 01:49:33 -070071#ifdef CONFIG_EDAC_DEBUG
72extern int edac_debug_level;
73
Joe Perches956b9ba2012-04-29 17:08:39 -030074#define edac_dbg(level, fmt, ...) \
Joe Perches7e881852012-04-28 16:41:46 -030075do { \
76 if (level <= edac_debug_level) \
77 edac_printk(KERN_DEBUG, EDAC_DEBUG, \
78 "%s: " fmt, __func__, ##__VA_ARGS__); \
79} while (0)
Douglas Thompson7c9281d2007-07-19 01:49:33 -070080
Douglas Thompson079708b2007-07-19 01:49:58 -070081#else /* !CONFIG_EDAC_DEBUG */
Douglas Thompson7c9281d2007-07-19 01:49:33 -070082
Joe Perches956b9ba2012-04-29 17:08:39 -030083#define edac_dbg(level, fmt, ...) \
Joe Perches7e881852012-04-28 16:41:46 -030084do { \
85 if (0) \
86 edac_printk(KERN_DEBUG, EDAC_DEBUG, \
87 "%s: " fmt, __func__, ##__VA_ARGS__); \
88} while (0)
Douglas Thompson7c9281d2007-07-19 01:49:33 -070089
Douglas Thompson079708b2007-07-19 01:49:58 -070090#endif /* !CONFIG_EDAC_DEBUG */
Douglas Thompson7c9281d2007-07-19 01:49:33 -070091
Douglas Thompson7c9281d2007-07-19 01:49:33 -070092#define PCI_VEND_DEV(vend, dev) PCI_VENDOR_ID_ ## vend, \
93 PCI_DEVICE_ID_ ## vend ## _ ## dev
94
Stephen Rothwell17aa7e02008-05-05 13:54:19 +100095#define edac_dev_name(dev) (dev)->dev_name
Douglas Thompson7c9281d2007-07-19 01:49:33 -070096
Douglas Thompsone27e3da2007-07-19 01:49:36 -070097/*
Douglas Thompson42a8e392007-07-19 01:50:10 -070098 * The following are the structures to provide for a generic
Douglas Thompsone27e3da2007-07-19 01:49:36 -070099 * or abstract 'edac_device'. This set of structures and the
100 * code that implements the APIs for the same, provide for
101 * registering EDAC type devices which are NOT standard memory.
102 *
103 * CPU caches (L1 and L2)
104 * DMA engines
David Mackey15ed1032012-04-17 11:30:52 -0700105 * Core CPU switches
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700106 * Fabric switch units
107 * PCIe interface controllers
108 * other EDAC/ECC type devices that can be monitored for
109 * errors, etc.
110 *
David Mackey15ed1032012-04-17 11:30:52 -0700111 * It allows for a 2 level set of hierarchy. For example:
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700112 *
113 * cache could be composed of L1, L2 and L3 levels of cache.
114 * Each CPU core would have its own L1 cache, while sharing
115 * L2 and maybe L3 caches.
116 *
117 * View them arranged, via the sysfs presentation:
118 * /sys/devices/system/edac/..
119 *
120 * mc/ <existing memory device directory>
121 * cpu/cpu0/.. <L1 and L2 block directory>
122 * /L1-cache/ce_count
123 * /ue_count
124 * /L2-cache/ce_count
125 * /ue_count
126 * cpu/cpu1/.. <L1 and L2 block directory>
127 * /L1-cache/ce_count
128 * /ue_count
129 * /L2-cache/ce_count
130 * /ue_count
131 * ...
132 *
133 * the L1 and L2 directories would be "edac_device_block's"
134 */
135
136struct edac_device_counter {
Douglas Thompson079708b2007-07-19 01:49:58 -0700137 u32 ue_count;
138 u32 ce_count;
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700139};
140
Douglas Thompsonfd309a9d2007-07-19 01:50:25 -0700141/* forward reference */
142struct edac_device_ctl_info;
143struct edac_device_block;
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700144
Douglas Thompsonfd309a9d2007-07-19 01:50:25 -0700145/* edac_dev_sysfs_attribute structure
146 * used for driver sysfs attributes in mem_ctl_info
147 * for extra controls and attributes:
148 * like high level error Injection controls
149 */
150struct edac_dev_sysfs_attribute {
151 struct attribute attr;
152 ssize_t (*show)(struct edac_device_ctl_info *, char *);
153 ssize_t (*store)(struct edac_device_ctl_info *, const char *, size_t);
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700154};
155
Douglas Thompsonfd309a9d2007-07-19 01:50:25 -0700156/* edac_dev_sysfs_block_attribute structure
Doug Thompsonb2a4ac02007-07-19 01:50:33 -0700157 *
Douglas Thompsonfd309a9d2007-07-19 01:50:25 -0700158 * used in leaf 'block' nodes for adding controls/attributes
Doug Thompsonb2a4ac02007-07-19 01:50:33 -0700159 *
160 * each block in each instance of the containing control structure
161 * can have an array of the following. The show and store functions
162 * will be filled in with the show/store function in the
163 * low level driver.
164 *
165 * The 'value' field will be the actual value field used for
166 * counting
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700167 */
Douglas Thompsonfd309a9d2007-07-19 01:50:25 -0700168struct edac_dev_sysfs_block_attribute {
169 struct attribute attr;
170 ssize_t (*show)(struct kobject *, struct attribute *, char *);
171 ssize_t (*store)(struct kobject *, struct attribute *,
172 const char *, size_t);
173 struct edac_device_block *block;
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700174
Douglas Thompsonfd309a9d2007-07-19 01:50:25 -0700175 unsigned int value;
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700176};
177
178/* device block control structure */
179struct edac_device_block {
180 struct edac_device_instance *instance; /* Up Pointer */
Douglas Thompson079708b2007-07-19 01:49:58 -0700181 char name[EDAC_DEVICE_NAME_LEN + 1];
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700182
183 struct edac_device_counter counters; /* basic UE and CE counters */
184
Douglas Thompson079708b2007-07-19 01:49:58 -0700185 int nr_attribs; /* how many attributes */
Douglas Thompsonfd309a9d2007-07-19 01:50:25 -0700186
187 /* this block's attributes, could be NULL */
188 struct edac_dev_sysfs_block_attribute *block_attributes;
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700189
190 /* edac sysfs device control */
191 struct kobject kobj;
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700192};
193
194/* device instance control structure */
195struct edac_device_instance {
196 struct edac_device_ctl_info *ctl; /* Up pointer */
197 char name[EDAC_DEVICE_NAME_LEN + 4];
198
199 struct edac_device_counter counters; /* instance counters */
200
Douglas Thompson079708b2007-07-19 01:49:58 -0700201 u32 nr_blocks; /* how many blocks */
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700202 struct edac_device_block *blocks; /* block array */
203
204 /* edac sysfs device control */
205 struct kobject kobj;
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700206};
207
Douglas Thompson42a8e392007-07-19 01:50:10 -0700208
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700209/*
210 * Abstract edac_device control info structure
211 *
212 */
213struct edac_device_ctl_info {
214 /* for global list of edac_device_ctl_info structs */
215 struct list_head link;
216
Douglas Thompson1c3631f2007-07-19 01:50:29 -0700217 struct module *owner; /* Module owner of this control struct */
218
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700219 int dev_idx;
220
221 /* Per instance controls for this edac_device */
222 int log_ue; /* boolean for logging UEs */
223 int log_ce; /* boolean for logging CEs */
224 int panic_on_ue; /* boolean for panic'ing on an UE */
225 unsigned poll_msec; /* number of milliseconds to poll interval */
226 unsigned long delay; /* number of jiffies for poll_msec */
227
Douglas Thompson42a8e392007-07-19 01:50:10 -0700228 /* Additional top controller level attributes, but specified
229 * by the low level driver.
230 *
231 * Set by the low level driver to provide attributes at the
232 * controller level, same level as 'ue_count' and 'ce_count' above.
233 * An array of structures, NULL terminated
234 *
235 * If attributes are desired, then set to array of attributes
236 * If no attributes are desired, leave NULL
237 */
238 struct edac_dev_sysfs_attribute *sysfs_attributes;
239
Kay Sieversfe5ff8b2011-12-14 15:21:07 -0800240 /* pointer to main 'edac' subsys in sysfs */
241 struct bus_type *edac_subsys;
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700242
243 /* the internal state of this controller instance */
244 int op_state;
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700245 /* work struct for this instance */
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700246 struct delayed_work work;
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700247
248 /* pointer to edac polling checking routine:
Douglas Thompson079708b2007-07-19 01:49:58 -0700249 * If NOT NULL: points to polling check routine
250 * If NULL: Then assumes INTERRUPT operation, where
251 * MC driver will receive events
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700252 */
253 void (*edac_check) (struct edac_device_ctl_info * edac_dev);
254
255 struct device *dev; /* pointer to device structure */
256
257 const char *mod_name; /* module name */
258 const char *ctl_name; /* edac controller name */
Dave Jiangc4192702007-07-19 01:49:47 -0700259 const char *dev_name; /* pci/platform/etc... name */
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700260
261 void *pvt_info; /* pointer to 'private driver' info */
262
Douglas Thompson079708b2007-07-19 01:49:58 -0700263 unsigned long start_time; /* edac_device load start time (jiffies) */
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700264
Douglas Thompson1c3631f2007-07-19 01:50:29 -0700265 struct completion removal_complete;
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700266
267 /* sysfs top name under 'edac' directory
268 * and instance name:
Douglas Thompson079708b2007-07-19 01:49:58 -0700269 * cpu/cpu0/...
270 * cpu/cpu1/...
271 * cpu/cpu2/...
272 * ...
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700273 */
274 char name[EDAC_DEVICE_NAME_LEN + 1];
275
276 /* Number of instances supported on this control structure
277 * and the array of those instances
278 */
279 u32 nr_instances;
280 struct edac_device_instance *instances;
281
282 /* Event counters for the this whole EDAC Device */
283 struct edac_device_counter counters;
284
285 /* edac sysfs device control for the 'name'
286 * device this structure controls
287 */
288 struct kobject kobj;
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700289};
290
291/* To get from the instance's wq to the beginning of the ctl structure */
Dave Jiang81d87cb2007-07-19 01:49:52 -0700292#define to_edac_mem_ctl_work(w) \
293 container_of(w, struct mem_ctl_info, work)
294
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700295#define to_edac_device_ctl_work(w) \
296 container_of(w,struct edac_device_ctl_info,work)
297
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700298/*
299 * The alloc() and free() functions for the 'edac_device' control info
300 * structure. A MC driver will allocate one of these for each edac_device
301 * it is going to control/register with the EDAC CORE.
302 */
303extern struct edac_device_ctl_info *edac_device_alloc_ctl_info(
Douglas Thompson079708b2007-07-19 01:49:58 -0700304 unsigned sizeof_private,
Douglas Thompsonfd309a9d2007-07-19 01:50:25 -0700305 char *edac_device_name, unsigned nr_instances,
306 char *edac_block_name, unsigned nr_blocks,
Douglas Thompson079708b2007-07-19 01:49:58 -0700307 unsigned offset_value,
Douglas Thompsonfd309a9d2007-07-19 01:50:25 -0700308 struct edac_dev_sysfs_block_attribute *block_attributes,
Doug Thompsond45e7822007-07-19 01:50:27 -0700309 unsigned nr_attribs,
310 int device_index);
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700311
312/* The offset value can be:
313 * -1 indicating no offset value
314 * 0 for zero-based block numbers
315 * 1 for 1-based block number
316 * other for other-based block number
317 */
318#define BLOCK_OFFSET_VALUE_OFF ((unsigned) -1)
319
Douglas Thompson079708b2007-07-19 01:49:58 -0700320extern void edac_device_free_ctl_info(struct edac_device_ctl_info *ctl_info);
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700321
Douglas Thompson7c9281d2007-07-19 01:49:33 -0700322#ifdef CONFIG_PCI
323
Dave Jiang91b99042007-07-19 01:49:52 -0700324struct edac_pci_counter {
Douglas Thompson079708b2007-07-19 01:49:58 -0700325 atomic_t pe_count;
326 atomic_t npe_count;
Dave Jiang91b99042007-07-19 01:49:52 -0700327};
328
329/*
330 * Abstract edac_pci control info structure
331 *
332 */
333struct edac_pci_ctl_info {
334 /* for global list of edac_pci_ctl_info structs */
335 struct list_head link;
336
337 int pci_idx;
338
Kay Sieversfe5ff8b2011-12-14 15:21:07 -0800339 struct bus_type *edac_subsys; /* pointer to subsystem */
Dave Jiang91b99042007-07-19 01:49:52 -0700340
341 /* the internal state of this controller instance */
342 int op_state;
343 /* work struct for this instance */
Dave Jiang91b99042007-07-19 01:49:52 -0700344 struct delayed_work work;
Dave Jiang91b99042007-07-19 01:49:52 -0700345
346 /* pointer to edac polling checking routine:
Douglas Thompson079708b2007-07-19 01:49:58 -0700347 * If NOT NULL: points to polling check routine
348 * If NULL: Then assumes INTERRUPT operation, where
349 * MC driver will receive events
Dave Jiang91b99042007-07-19 01:49:52 -0700350 */
351 void (*edac_check) (struct edac_pci_ctl_info * edac_dev);
352
353 struct device *dev; /* pointer to device structure */
354
355 const char *mod_name; /* module name */
356 const char *ctl_name; /* edac controller name */
357 const char *dev_name; /* pci/platform/etc... name */
358
359 void *pvt_info; /* pointer to 'private driver' info */
360
Douglas Thompson079708b2007-07-19 01:49:58 -0700361 unsigned long start_time; /* edac_pci load start time (jiffies) */
Dave Jiang91b99042007-07-19 01:49:52 -0700362
Dave Jiang91b99042007-07-19 01:49:52 -0700363 struct completion complete;
364
365 /* sysfs top name under 'edac' directory
366 * and instance name:
Douglas Thompson079708b2007-07-19 01:49:58 -0700367 * cpu/cpu0/...
368 * cpu/cpu1/...
369 * cpu/cpu2/...
370 * ...
Dave Jiang91b99042007-07-19 01:49:52 -0700371 */
372 char name[EDAC_DEVICE_NAME_LEN + 1];
373
374 /* Event counters for the this whole EDAC Device */
375 struct edac_pci_counter counters;
376
377 /* edac sysfs device control for the 'name'
378 * device this structure controls
379 */
380 struct kobject kobj;
381 struct completion kobj_complete;
382};
383
384#define to_edac_pci_ctl_work(w) \
385 container_of(w, struct edac_pci_ctl_info,work)
386
Douglas Thompson7c9281d2007-07-19 01:49:33 -0700387/* write all or some bits in a byte-register*/
388static inline void pci_write_bits8(struct pci_dev *pdev, int offset, u8 value,
Douglas Thompson079708b2007-07-19 01:49:58 -0700389 u8 mask)
Douglas Thompson7c9281d2007-07-19 01:49:33 -0700390{
391 if (mask != 0xff) {
392 u8 buf;
393
394 pci_read_config_byte(pdev, offset, &buf);
395 value &= mask;
396 buf &= ~mask;
397 value |= buf;
398 }
399
400 pci_write_config_byte(pdev, offset, value);
401}
402
403/* write all or some bits in a word-register*/
404static inline void pci_write_bits16(struct pci_dev *pdev, int offset,
Douglas Thompson079708b2007-07-19 01:49:58 -0700405 u16 value, u16 mask)
Douglas Thompson7c9281d2007-07-19 01:49:33 -0700406{
407 if (mask != 0xffff) {
408 u16 buf;
409
410 pci_read_config_word(pdev, offset, &buf);
411 value &= mask;
412 buf &= ~mask;
413 value |= buf;
414 }
415
416 pci_write_config_word(pdev, offset, value);
417}
418
Jeff Harane6da46b2009-04-13 14:40:20 -0700419/*
420 * pci_write_bits32
421 *
422 * edac local routine to do pci_write_config_dword, but adds
423 * a mask parameter. If mask is all ones, ignore the mask.
424 * Otherwise utilize the mask to isolate specified bits
425 *
426 * write all or some bits in a dword-register
427 */
Douglas Thompson7c9281d2007-07-19 01:49:33 -0700428static inline void pci_write_bits32(struct pci_dev *pdev, int offset,
Douglas Thompson079708b2007-07-19 01:49:58 -0700429 u32 value, u32 mask)
Douglas Thompson7c9281d2007-07-19 01:49:33 -0700430{
Jeff Harane6da46b2009-04-13 14:40:20 -0700431 if (mask != 0xffffffff) {
Douglas Thompson7c9281d2007-07-19 01:49:33 -0700432 u32 buf;
433
434 pci_read_config_dword(pdev, offset, &buf);
435 value &= mask;
436 buf &= ~mask;
437 value |= buf;
438 }
439
440 pci_write_config_dword(pdev, offset, value);
441}
442
Douglas Thompson079708b2007-07-19 01:49:58 -0700443#endif /* CONFIG_PCI */
Douglas Thompson7c9281d2007-07-19 01:49:33 -0700444
Mauro Carvalho Chehabca0907b2012-05-02 14:37:00 -0300445struct mem_ctl_info *edac_mc_alloc(unsigned mc_num,
Mauro Carvalho Chehab4275be62012-04-18 15:20:50 -0300446 unsigned n_layers,
447 struct edac_mc_layer *layers,
448 unsigned sz_pvt);
Doug Thompsonb8f6f972007-07-19 01:50:26 -0700449extern int edac_mc_add_mc(struct mem_ctl_info *mci);
450extern void edac_mc_free(struct mem_ctl_info *mci);
Douglas Thompson079708b2007-07-19 01:49:58 -0700451extern struct mem_ctl_info *edac_mc_find(int idx);
Mauro Carvalho Chehab939747bd2010-08-10 11:22:01 -0300452extern struct mem_ctl_info *find_mci_by_dev(struct device *dev);
Douglas Thompson079708b2007-07-19 01:49:58 -0700453extern struct mem_ctl_info *edac_mc_del_mc(struct device *dev);
Douglas Thompson7c9281d2007-07-19 01:49:33 -0700454extern int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci,
Douglas Thompson079708b2007-07-19 01:49:58 -0700455 unsigned long page);
Mauro Carvalho Chehabe7e24832012-10-31 13:46:11 -0300456
457void edac_raw_mc_handle_error(const enum hw_event_mc_err_type type,
458 struct mem_ctl_info *mci,
459 struct edac_raw_error_desc *e);
460
Mauro Carvalho Chehab4275be62012-04-18 15:20:50 -0300461void edac_mc_handle_error(const enum hw_event_mc_err_type type,
462 struct mem_ctl_info *mci,
Mauro Carvalho Chehab9eb07a72012-06-04 13:27:43 -0300463 const u16 error_count,
Mauro Carvalho Chehab4275be62012-04-18 15:20:50 -0300464 const unsigned long page_frame_number,
465 const unsigned long offset_in_page,
466 const unsigned long syndrome,
Mauro Carvalho Chehab53f2d022012-02-23 08:10:34 -0300467 const int top_layer,
468 const int mid_layer,
469 const int low_layer,
Mauro Carvalho Chehab4275be62012-04-18 15:20:50 -0300470 const char *msg,
Mauro Carvalho Chehab03f7eae2012-06-04 11:29:25 -0300471 const char *other_detail);
Douglas Thompson7c9281d2007-07-19 01:49:33 -0700472
473/*
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700474 * edac_device APIs
Douglas Thompson7c9281d2007-07-19 01:49:33 -0700475 */
Doug Thompsond45e7822007-07-19 01:50:27 -0700476extern int edac_device_add_device(struct edac_device_ctl_info *edac_dev);
Douglas Thompson079708b2007-07-19 01:49:58 -0700477extern struct edac_device_ctl_info *edac_device_del_device(struct device *dev);
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700478extern void edac_device_handle_ue(struct edac_device_ctl_info *edac_dev,
Doug Thompsonb8f6f972007-07-19 01:50:26 -0700479 int inst_nr, int block_nr, const char *msg);
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700480extern void edac_device_handle_ce(struct edac_device_ctl_info *edac_dev,
Doug Thompsonb8f6f972007-07-19 01:50:26 -0700481 int inst_nr, int block_nr, const char *msg);
Harry Ciao1dc9b702009-06-17 16:27:59 -0700482extern int edac_device_alloc_index(void);
Mauro Carvalho Chehab4275be62012-04-18 15:20:50 -0300483extern const char *edac_layer_name[];
Douglas Thompsone27e3da2007-07-19 01:49:36 -0700484
Dave Jiang91b99042007-07-19 01:49:52 -0700485/*
486 * edac_pci APIs
487 */
Doug Thompsonb8f6f972007-07-19 01:50:26 -0700488extern struct edac_pci_ctl_info *edac_pci_alloc_ctl_info(unsigned int sz_pvt,
489 const char *edac_pci_name);
Dave Jiang91b99042007-07-19 01:49:52 -0700490
491extern void edac_pci_free_ctl_info(struct edac_pci_ctl_info *pci);
492
Doug Thompsonb8f6f972007-07-19 01:50:26 -0700493extern void edac_pci_reset_delay_period(struct edac_pci_ctl_info *pci,
494 unsigned long value);
Dave Jiang91b99042007-07-19 01:49:52 -0700495
Harry Ciao8641a382009-04-02 16:58:47 -0700496extern int edac_pci_alloc_index(void);
Dave Jiang91b99042007-07-19 01:49:52 -0700497extern int edac_pci_add_device(struct edac_pci_ctl_info *pci, int edac_idx);
Douglas Thompson079708b2007-07-19 01:49:58 -0700498extern struct edac_pci_ctl_info *edac_pci_del_device(struct device *dev);
Dave Jiang91b99042007-07-19 01:49:52 -0700499
Doug Thompsonb8f6f972007-07-19 01:50:26 -0700500extern struct edac_pci_ctl_info *edac_pci_create_generic_ctl(
501 struct device *dev,
502 const char *mod_name);
Dave Jiang91b99042007-07-19 01:49:52 -0700503
504extern void edac_pci_release_generic_ctl(struct edac_pci_ctl_info *pci);
505extern int edac_pci_create_sysfs(struct edac_pci_ctl_info *pci);
506extern void edac_pci_remove_sysfs(struct edac_pci_ctl_info *pci);
507
508/*
509 * edac misc APIs
510 */
Douglas Thompson494d0d52007-07-19 01:50:21 -0700511extern char *edac_op_state_to_string(int op_state);
Douglas Thompson7c9281d2007-07-19 01:49:33 -0700512
513#endif /* _EDAC_CORE_H_ */