diff options
Diffstat (limited to 'drivers/edac/edac_mc.h')
-rw-r--r-- | drivers/edac/edac_mc.h | 96 |
1 files changed, 43 insertions, 53 deletions
diff --git a/drivers/edac/edac_mc.h b/drivers/edac/edac_mc.h index 2cec157aaeba..8d9e83909b9c 100644 --- a/drivers/edac/edac_mc.h +++ b/drivers/edac/edac_mc.h | |||
@@ -15,11 +15,9 @@ | |||
15 | * | 15 | * |
16 | */ | 16 | */ |
17 | 17 | ||
18 | |||
19 | #ifndef _EDAC_MC_H_ | 18 | #ifndef _EDAC_MC_H_ |
20 | #define _EDAC_MC_H_ | 19 | #define _EDAC_MC_H_ |
21 | 20 | ||
22 | |||
23 | #include <linux/config.h> | 21 | #include <linux/config.h> |
24 | #include <linux/kernel.h> | 22 | #include <linux/kernel.h> |
25 | #include <linux/types.h> | 23 | #include <linux/types.h> |
@@ -33,7 +31,6 @@ | |||
33 | #include <linux/completion.h> | 31 | #include <linux/completion.h> |
34 | #include <linux/kobject.h> | 32 | #include <linux/kobject.h> |
35 | 33 | ||
36 | |||
37 | #define EDAC_MC_LABEL_LEN 31 | 34 | #define EDAC_MC_LABEL_LEN 31 |
38 | #define MC_PROC_NAME_MAX_LEN 7 | 35 | #define MC_PROC_NAME_MAX_LEN 7 |
39 | 36 | ||
@@ -44,13 +41,13 @@ | |||
44 | #endif | 41 | #endif |
45 | 42 | ||
46 | #define edac_printk(level, prefix, fmt, arg...) \ | 43 | #define edac_printk(level, prefix, fmt, arg...) \ |
47 | printk(level "EDAC " prefix ": " fmt, ##arg) | 44 | printk(level "EDAC " prefix ": " fmt, ##arg) |
48 | 45 | ||
49 | #define edac_mc_printk(mci, level, fmt, arg...) \ | 46 | #define edac_mc_printk(mci, level, fmt, arg...) \ |
50 | printk(level "EDAC MC%d: " fmt, mci->mc_idx, ##arg) | 47 | printk(level "EDAC MC%d: " fmt, mci->mc_idx, ##arg) |
51 | 48 | ||
52 | #define edac_mc_chipset_printk(mci, level, prefix, fmt, arg...) \ | 49 | #define edac_mc_chipset_printk(mci, level, prefix, fmt, arg...) \ |
53 | printk(level "EDAC " prefix " MC%d: " fmt, mci->mc_idx, ##arg) | 50 | printk(level "EDAC " prefix " MC%d: " fmt, mci->mc_idx, ##arg) |
54 | 51 | ||
55 | /* prefixes for edac_printk() and edac_mc_printk() */ | 52 | /* prefixes for edac_printk() and edac_mc_printk() */ |
56 | #define EDAC_MC "MC" | 53 | #define EDAC_MC "MC" |
@@ -71,14 +68,16 @@ extern int edac_debug_level; | |||
71 | #define debugf2( ... ) edac_debug_printk(2, __VA_ARGS__ ) | 68 | #define debugf2( ... ) edac_debug_printk(2, __VA_ARGS__ ) |
72 | #define debugf3( ... ) edac_debug_printk(3, __VA_ARGS__ ) | 69 | #define debugf3( ... ) edac_debug_printk(3, __VA_ARGS__ ) |
73 | #define debugf4( ... ) edac_debug_printk(4, __VA_ARGS__ ) | 70 | #define debugf4( ... ) edac_debug_printk(4, __VA_ARGS__ ) |
74 | #else /* !CONFIG_EDAC_DEBUG */ | 71 | |
72 | #else /* !CONFIG_EDAC_DEBUG */ | ||
73 | |||
75 | #define debugf0( ... ) | 74 | #define debugf0( ... ) |
76 | #define debugf1( ... ) | 75 | #define debugf1( ... ) |
77 | #define debugf2( ... ) | 76 | #define debugf2( ... ) |
78 | #define debugf3( ... ) | 77 | #define debugf3( ... ) |
79 | #define debugf4( ... ) | 78 | #define debugf4( ... ) |
80 | #endif /* !CONFIG_EDAC_DEBUG */ | ||
81 | 79 | ||
80 | #endif /* !CONFIG_EDAC_DEBUG */ | ||
82 | 81 | ||
83 | #define edac_xstr(s) edac_str(s) | 82 | #define edac_xstr(s) edac_str(s) |
84 | #define edac_str(s) #s | 83 | #define edac_str(s) #s |
@@ -86,7 +85,8 @@ extern int edac_debug_level; | |||
86 | 85 | ||
87 | #define BIT(x) (1 << (x)) | 86 | #define BIT(x) (1 << (x)) |
88 | 87 | ||
89 | #define PCI_VEND_DEV(vend, dev) PCI_VENDOR_ID_ ## vend, PCI_DEVICE_ID_ ## vend ## _ ## dev | 88 | #define PCI_VEND_DEV(vend, dev) PCI_VENDOR_ID_ ## vend, \ |
89 | PCI_DEVICE_ID_ ## vend ## _ ## dev | ||
90 | 90 | ||
91 | /* memory devices */ | 91 | /* memory devices */ |
92 | enum dev_type { | 92 | enum dev_type { |
@@ -136,7 +136,6 @@ enum mem_type { | |||
136 | #define MEM_FLAG_RDDR BIT(MEM_RDDR) | 136 | #define MEM_FLAG_RDDR BIT(MEM_RDDR) |
137 | #define MEM_FLAG_RMBS BIT(MEM_RMBS) | 137 | #define MEM_FLAG_RMBS BIT(MEM_RMBS) |
138 | 138 | ||
139 | |||
140 | /* chipset Error Detection and Correction capabilities and mode */ | 139 | /* chipset Error Detection and Correction capabilities and mode */ |
141 | enum edac_type { | 140 | enum edac_type { |
142 | EDAC_UNKNOWN = 0, /* Unknown if ECC is available */ | 141 | EDAC_UNKNOWN = 0, /* Unknown if ECC is available */ |
@@ -161,7 +160,6 @@ enum edac_type { | |||
161 | #define EDAC_FLAG_S8ECD8ED BIT(EDAC_S8ECD8ED) | 160 | #define EDAC_FLAG_S8ECD8ED BIT(EDAC_S8ECD8ED) |
162 | #define EDAC_FLAG_S16ECD16ED BIT(EDAC_S16ECD16ED) | 161 | #define EDAC_FLAG_S16ECD16ED BIT(EDAC_S16ECD16ED) |
163 | 162 | ||
164 | |||
165 | /* scrubbing capabilities */ | 163 | /* scrubbing capabilities */ |
166 | enum scrub_type { | 164 | enum scrub_type { |
167 | SCRUB_UNKNOWN = 0, /* Unknown if scrubber is available */ | 165 | SCRUB_UNKNOWN = 0, /* Unknown if scrubber is available */ |
@@ -269,20 +267,19 @@ enum scrub_type { | |||
269 | * PS - I enjoyed writing all that about as much as you enjoyed reading it. | 267 | * PS - I enjoyed writing all that about as much as you enjoyed reading it. |
270 | */ | 268 | */ |
271 | 269 | ||
272 | |||
273 | struct channel_info { | 270 | struct channel_info { |
274 | int chan_idx; /* channel index */ | 271 | int chan_idx; /* channel index */ |
275 | u32 ce_count; /* Correctable Errors for this CHANNEL */ | 272 | u32 ce_count; /* Correctable Errors for this CHANNEL */ |
276 | char label[EDAC_MC_LABEL_LEN + 1]; /* DIMM label on motherboard */ | 273 | char label[EDAC_MC_LABEL_LEN + 1]; /* DIMM label on motherboard */ |
277 | struct csrow_info *csrow; /* the parent */ | 274 | struct csrow_info *csrow; /* the parent */ |
278 | }; | 275 | }; |
279 | 276 | ||
280 | |||
281 | struct csrow_info { | 277 | struct csrow_info { |
282 | unsigned long first_page; /* first page number in dimm */ | 278 | unsigned long first_page; /* first page number in dimm */ |
283 | unsigned long last_page; /* last page number in dimm */ | 279 | unsigned long last_page; /* last page number in dimm */ |
284 | unsigned long page_mask; /* used for interleaving - | 280 | unsigned long page_mask; /* used for interleaving - |
285 | 0UL for non intlv */ | 281 | * 0UL for non intlv |
282 | */ | ||
286 | u32 nr_pages; /* number of pages in csrow */ | 283 | u32 nr_pages; /* number of pages in csrow */ |
287 | u32 grain; /* granularity of reported error in bytes */ | 284 | u32 grain; /* granularity of reported error in bytes */ |
288 | int csrow_idx; /* the chip-select row */ | 285 | int csrow_idx; /* the chip-select row */ |
@@ -301,18 +298,18 @@ struct csrow_info { | |||
301 | struct channel_info *channels; | 298 | struct channel_info *channels; |
302 | }; | 299 | }; |
303 | 300 | ||
304 | |||
305 | struct mem_ctl_info { | 301 | struct mem_ctl_info { |
306 | struct list_head link; /* for global list of mem_ctl_info structs */ | 302 | struct list_head link; /* for global list of mem_ctl_info structs */ |
307 | unsigned long mtype_cap; /* memory types supported by mc */ | 303 | unsigned long mtype_cap; /* memory types supported by mc */ |
308 | unsigned long edac_ctl_cap; /* Mem controller EDAC capabilities */ | 304 | unsigned long edac_ctl_cap; /* Mem controller EDAC capabilities */ |
309 | unsigned long edac_cap; /* configuration capabilities - this is | 305 | unsigned long edac_cap; /* configuration capabilities - this is |
310 | closely related to edac_ctl_cap. The | 306 | * closely related to edac_ctl_cap. The |
311 | difference is that the controller | 307 | * difference is that the controller may be |
312 | may be capable of s4ecd4ed which would | 308 | * capable of s4ecd4ed which would be listed |
313 | be listed in edac_ctl_cap, but if | 309 | * in edac_ctl_cap, but if channels aren't |
314 | channels aren't capable of s4ecd4ed then the | 310 | * capable of s4ecd4ed then the edac_cap would |
315 | edac_cap would not have that capability. */ | 311 | * not have that capability. |
312 | */ | ||
316 | unsigned long scrub_cap; /* chipset scrub capabilities */ | 313 | unsigned long scrub_cap; /* chipset scrub capabilities */ |
317 | enum scrub_type scrub_mode; /* current scrub mode */ | 314 | enum scrub_type scrub_mode; /* current scrub mode */ |
318 | 315 | ||
@@ -324,7 +321,7 @@ struct mem_ctl_info { | |||
324 | */ | 321 | */ |
325 | /* FIXME - why not send the phys page to begin with? */ | 322 | /* FIXME - why not send the phys page to begin with? */ |
326 | unsigned long (*ctl_page_to_phys) (struct mem_ctl_info * mci, | 323 | unsigned long (*ctl_page_to_phys) (struct mem_ctl_info * mci, |
327 | unsigned long page); | 324 | unsigned long page); |
328 | int mc_idx; | 325 | int mc_idx; |
329 | int nr_csrows; | 326 | int nr_csrows; |
330 | struct csrow_info *csrows; | 327 | struct csrow_info *csrows; |
@@ -356,67 +353,66 @@ struct mem_ctl_info { | |||
356 | struct completion kobj_complete; | 353 | struct completion kobj_complete; |
357 | }; | 354 | }; |
358 | 355 | ||
359 | |||
360 | |||
361 | /* write all or some bits in a byte-register*/ | 356 | /* write all or some bits in a byte-register*/ |
362 | static inline void pci_write_bits8(struct pci_dev *pdev, int offset, | 357 | static inline void pci_write_bits8(struct pci_dev *pdev, int offset, u8 value, |
363 | u8 value, u8 mask) | 358 | u8 mask) |
364 | { | 359 | { |
365 | if (mask != 0xff) { | 360 | if (mask != 0xff) { |
366 | u8 buf; | 361 | u8 buf; |
362 | |||
367 | pci_read_config_byte(pdev, offset, &buf); | 363 | pci_read_config_byte(pdev, offset, &buf); |
368 | value &= mask; | 364 | value &= mask; |
369 | buf &= ~mask; | 365 | buf &= ~mask; |
370 | value |= buf; | 366 | value |= buf; |
371 | } | 367 | } |
368 | |||
372 | pci_write_config_byte(pdev, offset, value); | 369 | pci_write_config_byte(pdev, offset, value); |
373 | } | 370 | } |
374 | 371 | ||
375 | |||
376 | /* write all or some bits in a word-register*/ | 372 | /* write all or some bits in a word-register*/ |
377 | static inline void pci_write_bits16(struct pci_dev *pdev, int offset, | 373 | static inline void pci_write_bits16(struct pci_dev *pdev, int offset, |
378 | u16 value, u16 mask) | 374 | u16 value, u16 mask) |
379 | { | 375 | { |
380 | if (mask != 0xffff) { | 376 | if (mask != 0xffff) { |
381 | u16 buf; | 377 | u16 buf; |
378 | |||
382 | pci_read_config_word(pdev, offset, &buf); | 379 | pci_read_config_word(pdev, offset, &buf); |
383 | value &= mask; | 380 | value &= mask; |
384 | buf &= ~mask; | 381 | buf &= ~mask; |
385 | value |= buf; | 382 | value |= buf; |
386 | } | 383 | } |
384 | |||
387 | pci_write_config_word(pdev, offset, value); | 385 | pci_write_config_word(pdev, offset, value); |
388 | } | 386 | } |
389 | 387 | ||
390 | |||
391 | /* write all or some bits in a dword-register*/ | 388 | /* write all or some bits in a dword-register*/ |
392 | static inline void pci_write_bits32(struct pci_dev *pdev, int offset, | 389 | static inline void pci_write_bits32(struct pci_dev *pdev, int offset, |
393 | u32 value, u32 mask) | 390 | u32 value, u32 mask) |
394 | { | 391 | { |
395 | if (mask != 0xffff) { | 392 | if (mask != 0xffff) { |
396 | u32 buf; | 393 | u32 buf; |
394 | |||
397 | pci_read_config_dword(pdev, offset, &buf); | 395 | pci_read_config_dword(pdev, offset, &buf); |
398 | value &= mask; | 396 | value &= mask; |
399 | buf &= ~mask; | 397 | buf &= ~mask; |
400 | value |= buf; | 398 | value |= buf; |
401 | } | 399 | } |
400 | |||
402 | pci_write_config_dword(pdev, offset, value); | 401 | pci_write_config_dword(pdev, offset, value); |
403 | } | 402 | } |
404 | 403 | ||
405 | |||
406 | #ifdef CONFIG_EDAC_DEBUG | 404 | #ifdef CONFIG_EDAC_DEBUG |
407 | void edac_mc_dump_channel(struct channel_info *chan); | 405 | void edac_mc_dump_channel(struct channel_info *chan); |
408 | void edac_mc_dump_mci(struct mem_ctl_info *mci); | 406 | void edac_mc_dump_mci(struct mem_ctl_info *mci); |
409 | void edac_mc_dump_csrow(struct csrow_info *csrow); | 407 | void edac_mc_dump_csrow(struct csrow_info *csrow); |
410 | #endif /* CONFIG_EDAC_DEBUG */ | 408 | #endif /* CONFIG_EDAC_DEBUG */ |
411 | 409 | ||
412 | extern int edac_mc_add_mc(struct mem_ctl_info *mci); | 410 | extern int edac_mc_add_mc(struct mem_ctl_info *mci); |
413 | extern struct mem_ctl_info * edac_mc_del_mc(struct pci_dev *pdev); | 411 | extern struct mem_ctl_info * edac_mc_del_mc(struct pci_dev *pdev); |
414 | |||
415 | extern int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci, | 412 | extern int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci, |
416 | unsigned long page); | 413 | unsigned long page); |
417 | 414 | extern void edac_mc_scrub_block(unsigned long page, unsigned long offset, | |
418 | extern void edac_mc_scrub_block(unsigned long page, | 415 | u32 size); |
419 | unsigned long offset, u32 size); | ||
420 | 416 | ||
421 | /* | 417 | /* |
422 | * The no info errors are used when error overflows are reported. | 418 | * The no info errors are used when error overflows are reported. |
@@ -429,31 +425,25 @@ extern void edac_mc_scrub_block(unsigned long page, | |||
429 | * statement clutter and extra function arguments. | 425 | * statement clutter and extra function arguments. |
430 | */ | 426 | */ |
431 | extern void edac_mc_handle_ce(struct mem_ctl_info *mci, | 427 | extern void edac_mc_handle_ce(struct mem_ctl_info *mci, |
432 | unsigned long page_frame_number, | 428 | unsigned long page_frame_number, unsigned long offset_in_page, |
433 | unsigned long offset_in_page, | 429 | unsigned long syndrome, int row, int channel, |
434 | unsigned long syndrome, | 430 | const char *msg); |
435 | int row, int channel, const char *msg); | ||
436 | |||
437 | extern void edac_mc_handle_ce_no_info(struct mem_ctl_info *mci, | 431 | extern void edac_mc_handle_ce_no_info(struct mem_ctl_info *mci, |
438 | const char *msg); | 432 | const char *msg); |
439 | |||
440 | extern void edac_mc_handle_ue(struct mem_ctl_info *mci, | 433 | extern void edac_mc_handle_ue(struct mem_ctl_info *mci, |
441 | unsigned long page_frame_number, | 434 | unsigned long page_frame_number, unsigned long offset_in_page, |
442 | unsigned long offset_in_page, | 435 | int row, const char *msg); |
443 | int row, const char *msg); | ||
444 | |||
445 | extern void edac_mc_handle_ue_no_info(struct mem_ctl_info *mci, | 436 | extern void edac_mc_handle_ue_no_info(struct mem_ctl_info *mci, |
446 | const char *msg); | 437 | const char *msg); |
447 | 438 | ||
448 | /* | 439 | /* |
449 | * This kmalloc's and initializes all the structures. | 440 | * This kmalloc's and initializes all the structures. |
450 | * Can't be used if all structures don't have the same lifetime. | 441 | * Can't be used if all structures don't have the same lifetime. |
451 | */ | 442 | */ |
452 | extern struct mem_ctl_info *edac_mc_alloc(unsigned sz_pvt, | 443 | extern struct mem_ctl_info *edac_mc_alloc(unsigned sz_pvt, unsigned nr_csrows, |
453 | unsigned nr_csrows, unsigned nr_chans); | 444 | unsigned nr_chans); |
454 | 445 | ||
455 | /* Free an mc previously allocated by edac_mc_alloc() */ | 446 | /* Free an mc previously allocated by edac_mc_alloc() */ |
456 | extern void edac_mc_free(struct mem_ctl_info *mci); | 447 | extern void edac_mc_free(struct mem_ctl_info *mci); |
457 | 448 | ||
458 | |||
459 | #endif /* _EDAC_MC_H_ */ | 449 | #endif /* _EDAC_MC_H_ */ |