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 <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/edac/edac_core.h b/drivers/edac/edac_core.h
index b955c58..8c11457 100644
--- a/drivers/edac/edac_core.h
+++ b/drivers/edac/edac_core.h
@@ -326,6 +326,18 @@
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 @@
*/
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 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 @@
};
/*
- * 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 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 @@
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;