diff options
Diffstat (limited to 'drivers/edac/edac_mc.h')
| -rw-r--r-- | drivers/edac/edac_mc.h | 133 |
1 files changed, 67 insertions, 66 deletions
diff --git a/drivers/edac/edac_mc.h b/drivers/edac/edac_mc.h index 75ecf484a43..8d9e83909b9 100644 --- a/drivers/edac/edac_mc.h +++ b/drivers/edac/edac_mc.h @@ -15,11 +15,9 @@ * */ - #ifndef _EDAC_MC_H_ #define _EDAC_MC_H_ - #include <linux/config.h> #include <linux/kernel.h> #include <linux/types.h> @@ -33,7 +31,6 @@ #include <linux/completion.h> #include <linux/kobject.h> - #define EDAC_MC_LABEL_LEN 31 #define MC_PROC_NAME_MAX_LEN 7 @@ -43,31 +40,53 @@ #define PAGES_TO_MiB( pages ) ( ( pages ) << ( PAGE_SHIFT - 20 ) ) #endif +#define edac_printk(level, prefix, fmt, arg...) \ + printk(level "EDAC " prefix ": " fmt, ##arg) + +#define edac_mc_printk(mci, level, fmt, arg...) \ + printk(level "EDAC MC%d: " fmt, mci->mc_idx, ##arg) + +#define edac_mc_chipset_printk(mci, level, prefix, fmt, arg...) \ + printk(level "EDAC " prefix " MC%d: " fmt, mci->mc_idx, ##arg) + +/* prefixes for edac_printk() and edac_mc_printk() */ +#define EDAC_MC "MC" +#define EDAC_PCI "PCI" +#define EDAC_DEBUG "DEBUG" + #ifdef CONFIG_EDAC_DEBUG extern int edac_debug_level; -#define edac_debug_printk(level, fmt, args...) \ -do { if (level <= edac_debug_level) printk(KERN_DEBUG fmt, ##args); } while(0) + +#define edac_debug_printk(level, fmt, arg...) \ + do { \ + if (level <= edac_debug_level) \ + edac_printk(KERN_DEBUG, EDAC_DEBUG, fmt, ##arg); \ + } while(0) + #define debugf0( ... ) edac_debug_printk(0, __VA_ARGS__ ) #define debugf1( ... ) edac_debug_printk(1, __VA_ARGS__ ) #define debugf2( ... ) edac_debug_printk(2, __VA_ARGS__ ) #define debugf3( ... ) edac_debug_printk(3, __VA_ARGS__ ) #define debugf4( ... ) edac_debug_printk(4, __VA_ARGS__ ) -#else /* !CONFIG_EDAC_DEBUG */ + +#else /* !CONFIG_EDAC_DEBUG */ + #define debugf0( ... ) #define debugf1( ... ) #define debugf2( ... ) #define debugf3( ... ) #define debugf4( ... ) -#endif /* !CONFIG_EDAC_DEBUG */ +#endif /* !CONFIG_EDAC_DEBUG */ -#define bs_xstr(s) bs_str(s) -#define bs_str(s) #s -#define BS_MOD_STR bs_xstr(KBUILD_BASENAME) +#define edac_xstr(s) edac_str(s) +#define edac_str(s) #s +#define EDAC_MOD_STR edac_xstr(KBUILD_BASENAME) #define BIT(x) (1 << (x)) -#define PCI_VEND_DEV(vend, dev) PCI_VENDOR_ID_ ## vend, PCI_DEVICE_ID_ ## vend ## _ ## dev +#define PCI_VEND_DEV(vend, dev) PCI_VENDOR_ID_ ## vend, \ + PCI_DEVICE_ID_ ## vend ## _ ## dev /* memory devices */ enum dev_type { @@ -117,7 +136,6 @@ enum mem_type { #define MEM_FLAG_RDDR BIT(MEM_RDDR) #define MEM_FLAG_RMBS BIT(MEM_RMBS) - /* chipset Error Detection and Correction capabilities and mode */ enum edac_type { EDAC_UNKNOWN = 0, /* Unknown if ECC is available */ @@ -142,7 +160,6 @@ enum edac_type { #define EDAC_FLAG_S8ECD8ED BIT(EDAC_S8ECD8ED) #define EDAC_FLAG_S16ECD16ED BIT(EDAC_S16ECD16ED) - /* scrubbing capabilities */ enum scrub_type { SCRUB_UNKNOWN = 0, /* Unknown if scrubber is available */ @@ -166,11 +183,6 @@ enum scrub_type { #define SCRUB_FLAG_HW_PROG_SRC BIT(SCRUB_HW_PROG_SRC_CORR) #define SCRUB_FLAG_HW_TUN BIT(SCRUB_HW_TUNABLE) -enum mci_sysfs_status { - MCI_SYSFS_INACTIVE = 0, /* sysfs entries NOT registered */ - MCI_SYSFS_ACTIVE /* sysfs entries ARE registered */ -}; - /* FIXME - should have notify capabilities: NMI, LOG, PROC, etc */ /* @@ -255,20 +267,19 @@ enum mci_sysfs_status { * PS - I enjoyed writing all that about as much as you enjoyed reading it. */ - struct channel_info { int chan_idx; /* channel index */ u32 ce_count; /* Correctable Errors for this CHANNEL */ - char label[EDAC_MC_LABEL_LEN + 1]; /* DIMM label on motherboard */ + char label[EDAC_MC_LABEL_LEN + 1]; /* DIMM label on motherboard */ struct csrow_info *csrow; /* the parent */ }; - struct csrow_info { unsigned long first_page; /* first page number in dimm */ unsigned long last_page; /* last page number in dimm */ unsigned long page_mask; /* used for interleaving - - 0UL for non intlv */ + * 0UL for non intlv + */ u32 nr_pages; /* number of pages in csrow */ u32 grain; /* granularity of reported error in bytes */ int csrow_idx; /* the chip-select row */ @@ -280,29 +291,28 @@ struct csrow_info { struct mem_ctl_info *mci; /* the parent */ struct kobject kobj; /* sysfs kobject for this csrow */ + struct completion kobj_complete; /* FIXME the number of CHANNELs might need to become dynamic */ u32 nr_channels; struct channel_info *channels; }; - struct mem_ctl_info { struct list_head link; /* for global list of mem_ctl_info structs */ unsigned long mtype_cap; /* memory types supported by mc */ unsigned long edac_ctl_cap; /* Mem controller EDAC capabilities */ unsigned long edac_cap; /* configuration capabilities - this is - closely related to edac_ctl_cap. The - difference is that the controller - may be capable of s4ecd4ed which would - be listed in edac_ctl_cap, but if - channels aren't capable of s4ecd4ed then the - edac_cap would not have that capability. */ + * closely related to edac_ctl_cap. The + * difference is that the controller may be + * capable of s4ecd4ed which would be listed + * in edac_ctl_cap, but if channels aren't + * capable of s4ecd4ed then the edac_cap would + * not have that capability. + */ unsigned long scrub_cap; /* chipset scrub capabilities */ enum scrub_type scrub_mode; /* current scrub mode */ - enum mci_sysfs_status sysfs_active; /* status of sysfs */ - /* pointer to edac checking routine */ void (*edac_check) (struct mem_ctl_info * mci); /* @@ -311,7 +321,7 @@ struct mem_ctl_info { */ /* FIXME - why not send the phys page to begin with? */ unsigned long (*ctl_page_to_phys) (struct mem_ctl_info * mci, - unsigned long page); + unsigned long page); int mc_idx; int nr_csrows; struct csrow_info *csrows; @@ -340,72 +350,69 @@ struct mem_ctl_info { /* edac sysfs device control */ struct kobject edac_mci_kobj; + struct completion kobj_complete; }; - - /* write all or some bits in a byte-register*/ -static inline void pci_write_bits8(struct pci_dev *pdev, int offset, - u8 value, u8 mask) +static inline void pci_write_bits8(struct pci_dev *pdev, int offset, u8 value, + u8 mask) { if (mask != 0xff) { u8 buf; + pci_read_config_byte(pdev, offset, &buf); value &= mask; buf &= ~mask; value |= buf; } + pci_write_config_byte(pdev, offset, value); } - /* write all or some bits in a word-register*/ static inline void pci_write_bits16(struct pci_dev *pdev, int offset, - u16 value, u16 mask) + u16 value, u16 mask) { if (mask != 0xffff) { u16 buf; + pci_read_config_word(pdev, offset, &buf); value &= mask; buf &= ~mask; value |= buf; } + pci_write_config_word(pdev, offset, value); } - /* write all or some bits in a dword-register*/ static inline void pci_write_bits32(struct pci_dev *pdev, int offset, - u32 value, u32 mask) + u32 value, u32 mask) { if (mask != 0xffff) { u32 buf; + pci_read_config_dword(pdev, offset, &buf); value &= mask; buf &= ~mask; value |= buf; } + pci_write_config_dword(pdev, offset, value); } - #ifdef CONFIG_EDAC_DEBUG void edac_mc_dump_channel(struct channel_info *chan); void edac_mc_dump_mci(struct mem_ctl_info *mci); void edac_mc_dump_csrow(struct csrow_info *csrow); -#endif /* CONFIG_EDAC_DEBUG */ +#endif /* CONFIG_EDAC_DEBUG */ extern int edac_mc_add_mc(struct mem_ctl_info *mci); -extern int edac_mc_del_mc(struct mem_ctl_info *mci); - +extern struct mem_ctl_info * edac_mc_del_mc(struct pci_dev *pdev); extern int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci, - unsigned long page); - -extern struct mem_ctl_info *edac_mc_find_mci_by_pdev(struct pci_dev - *pdev); - -extern void edac_mc_scrub_block(unsigned long page, - unsigned long offset, u32 size); + unsigned long page); +extern void edac_mc_scrub_block(unsigned long page, unsigned long offset, + u32 size); /* * The no info errors are used when error overflows are reported. @@ -418,31 +425,25 @@ extern void edac_mc_scrub_block(unsigned long page, * statement clutter and extra function arguments. */ extern void edac_mc_handle_ce(struct mem_ctl_info *mci, - unsigned long page_frame_number, - unsigned long offset_in_page, - unsigned long syndrome, - int row, int channel, const char *msg); - + unsigned long page_frame_number, unsigned long offset_in_page, + unsigned long syndrome, int row, int channel, + const char *msg); extern void edac_mc_handle_ce_no_info(struct mem_ctl_info *mci, - const char *msg); - + const char *msg); extern void edac_mc_handle_ue(struct mem_ctl_info *mci, - unsigned long page_frame_number, - unsigned long offset_in_page, - int row, const char *msg); - + unsigned long page_frame_number, unsigned long offset_in_page, + int row, const char *msg); extern void edac_mc_handle_ue_no_info(struct mem_ctl_info *mci, - const char *msg); + const char *msg); /* * This kmalloc's and initializes all the structures. * Can't be used if all structures don't have the same lifetime. */ -extern struct mem_ctl_info *edac_mc_alloc(unsigned sz_pvt, - unsigned nr_csrows, unsigned nr_chans); +extern struct mem_ctl_info *edac_mc_alloc(unsigned sz_pvt, unsigned nr_csrows, + unsigned nr_chans); /* Free an mc previously allocated by edac_mc_alloc() */ extern void edac_mc_free(struct mem_ctl_info *mci); - #endif /* _EDAC_MC_H_ */ |