From 42a8e397a80c277afb2aeb22232bc70114035bb1 Mon Sep 17 00:00:00 2001 From: Douglas Thompson Date: Thu, 19 Jul 2007 01:50:10 -0700 Subject: drivers/edac: add device sysfs attributes Added new controls for the edac_device and edac_mc sysfs folder. These can be initialized by the low level driver to provide misc controls into the low level driver for its use Signed-off-by: Douglas Thompson Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/edac/edac_core.h | 52 ++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 50 insertions(+), 2 deletions(-) (limited to 'drivers/edac/edac_core.h') diff --git a/drivers/edac/edac_core.h b/drivers/edac/edac_core.h index b955c58672e..8c114572b72 100644 --- a/drivers/edac/edac_core.h +++ b/drivers/edac/edac_core.h @@ -326,6 +326,18 @@ struct csrow_info { struct channel_info *channels; }; +/* mcidev_sysfs_attribute structure + * used for driver sysfs attributes and in mem_ctl_info + * sysfs top level entries + */ +struct mcidev_sysfs_attribute { + struct attribute attr; + ssize_t (*show)(struct mem_ctl_info *,char *); + ssize_t (*store)(struct mem_ctl_info *, const char *,size_t); +}; + +/* MEMORY controller information structure + */ 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 */ @@ -353,6 +365,7 @@ struct mem_ctl_info { */ int (*get_sdram_scrub_rate) (struct mem_ctl_info * mci, u32 * bw); + /* pointer to edac checking routine */ void (*edac_check) (struct mem_ctl_info * mci); @@ -394,6 +407,18 @@ struct mem_ctl_info { struct kobject edac_mci_kobj; struct completion kobj_complete; + /* Additional top controller level attributes, but specified + * by the low level driver. + * + * Set by the low level driver to provide attributes at the + * controller level, same level as 'ue_count' and 'ce_count' above. + * An array of structures, NULL terminated + * + * If attributes are desired, then set to array of attributes + * If no attributes are desired, leave NULL + */ + struct mcidev_sysfs_attribute *mc_driver_sysfs_attributes; + /* work struct for this MC */ struct delayed_work work; @@ -402,7 +427,7 @@ struct mem_ctl_info { }; /* - * The following are the structures to provide for a generice + * The following are the structures to provide for a generic * or abstract 'edac_device'. This set of structures and the * code that implements the APIs for the same, provide for * registering EDAC type devices which are NOT standard memory. @@ -505,6 +530,16 @@ struct edac_device_instance { struct completion kobj_complete; }; +/* edac_dev_sysfs_attribute structure + * used for driver sysfs attributes and in mem_ctl_info + * sysfs top level entries + */ +struct edac_dev_sysfs_attribute { + struct attribute attr; + ssize_t (*show)(struct edac_device_ctl_info *,char *); + ssize_t (*store)(struct edac_device_ctl_info *, const char *,size_t); +}; + /* * Abstract edac_device control info structure * @@ -522,7 +557,20 @@ struct edac_device_ctl_info { unsigned poll_msec; /* number of milliseconds to poll interval */ unsigned long delay; /* number of jiffies for poll_msec */ - struct sysdev_class *edac_class; /* pointer to class */ + /* Additional top controller level attributes, but specified + * by the low level driver. + * + * Set by the low level driver to provide attributes at the + * controller level, same level as 'ue_count' and 'ce_count' above. + * An array of structures, NULL terminated + * + * If attributes are desired, then set to array of attributes + * If no attributes are desired, leave NULL + */ + struct edac_dev_sysfs_attribute *sysfs_attributes; + + /* pointer to main 'edac' class in sysfs */ + struct sysdev_class *edac_class; /* the internal state of this controller instance */ int op_state; -- cgit v1.2.3-18-g5258