diff options
Diffstat (limited to 'include/linux/edac.h')
| -rw-r--r-- | include/linux/edac.h | 47 |
1 files changed, 33 insertions, 14 deletions
diff --git a/include/linux/edac.h b/include/linux/edac.h index 4e32e8d31e0a..a2b0b6fc002c 100644 --- a/include/linux/edac.h +++ b/include/linux/edac.h @@ -13,6 +13,7 @@ #define _LINUX_EDAC_H_ #include <linux/atomic.h> +#include <linux/device.h> #include <linux/kobject.h> #include <linux/completion.h> #include <linux/workqueue.h> @@ -448,14 +449,15 @@ struct edac_mc_layer { __p; \ }) - -/* FIXME: add the proper per-location error counts */ struct dimm_info { + struct device dev; + char label[EDAC_MC_LABEL_LEN + 1]; /* DIMM label on motherboard */ /* Memory location data */ unsigned location[EDAC_MAX_LAYERS]; + struct kobject kobj; /* sysfs kobject for this csrow */ struct mem_ctl_info *mci; /* the parent */ u32 grain; /* granularity of reported error in bytes */ @@ -484,6 +486,8 @@ struct dimm_info { * patches in this series will fix this issue. */ struct rank_info { + struct device dev; + int chan_idx; struct csrow_info *csrow; struct dimm_info *dimm; @@ -492,6 +496,8 @@ struct rank_info { }; struct csrow_info { + struct device dev; + /* Used only by edac_mc_find_csrow_by_page() */ unsigned long first_page; /* first page number in csrow */ unsigned long last_page; /* last page number in csrow */ @@ -517,15 +523,6 @@ struct mcidev_sysfs_group { const struct mcidev_sysfs_attribute *mcidev_attr; /* group attributes */ }; -struct mcidev_sysfs_group_kobj { - struct list_head list; /* list for all instances within a mc */ - - struct kobject kobj; /* kobj for the group */ - - const struct mcidev_sysfs_group *grp; /* group description table */ - struct mem_ctl_info *mci; /* the parent */ -}; - /* mcidev_sysfs_attribute structure * used for driver sysfs attributes and in mem_ctl_info * sysfs top level entries @@ -536,13 +533,27 @@ struct mcidev_sysfs_attribute { const struct mcidev_sysfs_group *grp; /* Points to a group of attributes */ /* Ops for show/store values at the attribute - not used on group */ - ssize_t (*show)(struct mem_ctl_info *,char *); - ssize_t (*store)(struct mem_ctl_info *, const char *,size_t); + ssize_t (*show)(struct mem_ctl_info *, char *); + ssize_t (*store)(struct mem_ctl_info *, const char *, size_t); + + void *priv; +}; + +/* + * struct errcount_attribute - used to store the several error counts + */ +struct errcount_attribute_data { + int n_layers; + int pos[EDAC_MAX_LAYERS]; + int layer0, layer1, layer2; }; /* MEMORY controller information structure */ struct mem_ctl_info { + struct device dev; + struct bus_type bus; + struct list_head link; /* for global list of mem_ctl_info structs */ struct module *owner; /* Module owner of this control struct */ @@ -587,7 +598,15 @@ struct mem_ctl_info { struct csrow_info *csrows; unsigned nr_csrows, num_cschannel; - /* Memory Controller hierarchy */ + /* + * Memory Controller hierarchy + * + * There are basically two types of memory controller: the ones that + * sees memory sticks ("dimms"), and the ones that sees memory ranks. + * All old memory controllers enumerate memories per rank, but most + * of the recent drivers enumerate memories per DIMM, instead. + * When the memory controller is per rank, mem_is_per_rank is true. + */ unsigned n_layers; struct edac_mc_layer *layers; bool mem_is_per_rank; |