drivers/edac: split out functions to unique files
[linux-2.6.git] / drivers / edac / edac_mc.c
index 1b4fc92..3be5b7f 100644 (file)
 #include <linux/list.h>
 #include <linux/sysdev.h>
 #include <linux/ctype.h>
-#include <linux/kthread.h>
-#include <linux/freezer.h>
 #include <asm/uaccess.h>
 #include <asm/page.h>
 #include <asm/edac.h>
 #include "edac_mc.h"
+#include "edac_module.h"
 
-#define EDAC_MC_VERSION "Ver: 2.0.1 " __DATE__
-
-
-#ifdef CONFIG_EDAC_DEBUG
-/* Values of 0 to 4 will generate output */
-int edac_debug_level = 1;
-EXPORT_SYMBOL_GPL(edac_debug_level);
-#endif
-
-/* EDAC Controls, setable by module parameter, and sysfs */
-static int log_ue = 1;
-static int log_ce = 1;
-static int panic_on_ue;
-static int poll_msec = 1000;
 
 /* lock to memory controller's control array */
 static DECLARE_MUTEX(mem_ctls_mutex);
 static struct list_head mc_devices = LIST_HEAD_INIT(mc_devices);
 
-static struct task_struct *edac_thread;
-
-#ifdef CONFIG_PCI
-static int check_pci_parity = 0;       /* default YES check PCI parity */
-static int panic_on_pci_parity;                /* default no panic on PCI Parity */
-static atomic_t pci_parity_count = ATOMIC_INIT(0);
-
-static struct kobject edac_pci_kobj; /* /sys/devices/system/edac/pci */
-static struct completion edac_pci_kobj_complete;
-#endif /* CONFIG_PCI */
-
-/*  START sysfs data and methods */
-
-
-static const char *mem_types[] = {
-       [MEM_EMPTY] = "Empty",
-       [MEM_RESERVED] = "Reserved",
-       [MEM_UNKNOWN] = "Unknown",
-       [MEM_FPM] = "FPM",
-       [MEM_EDO] = "EDO",
-       [MEM_BEDO] = "BEDO",
-       [MEM_SDR] = "Unbuffered-SDR",
-       [MEM_RDR] = "Registered-SDR",
-       [MEM_DDR] = "Unbuffered-DDR",
-       [MEM_RDDR] = "Registered-DDR",
-       [MEM_RMBS] = "RMBS"
-};
-
-static const char *dev_types[] = {
-       [DEV_UNKNOWN] = "Unknown",
-       [DEV_X1] = "x1",
-       [DEV_X2] = "x2",
-       [DEV_X4] = "x4",
-       [DEV_X8] = "x8",
-       [DEV_X16] = "x16",
-       [DEV_X32] = "x32",
-       [DEV_X64] = "x64"
-};
-
-static const char *edac_caps[] = {
-       [EDAC_UNKNOWN] = "Unknown",
-       [EDAC_NONE] = "None",
-       [EDAC_RESERVED] = "Reserved",
-       [EDAC_PARITY] = "PARITY",
-       [EDAC_EC] = "EC",
-       [EDAC_SECDED] = "SECDED",
-       [EDAC_S2ECD2ED] = "S2ECD2ED",
-       [EDAC_S4ECD4ED] = "S4ECD4ED",
-       [EDAC_S8ECD8ED] = "S8ECD8ED",
-       [EDAC_S16ECD16ED] = "S16ECD16ED"
-};
-
-/* sysfs object: /sys/devices/system/edac */
-static struct sysdev_class edac_class = {
-       set_kset_name("edac"),
-};
-
-/* sysfs object:
- *     /sys/devices/system/edac/mc
- */
-static struct kobject edac_memctrl_kobj;
-
-/* We use these to wait for the reference counts on edac_memctrl_kobj and
- * edac_pci_kobj to reach 0.
- */
-static struct completion edac_memctrl_kobj_complete;
-
-/*
- * /sys/devices/system/edac/mc;
- *     data structures and methods
- */
-static ssize_t memctrl_int_show(void *ptr, char *buffer)
-{
-       int *value = (int*) ptr;
-       return sprintf(buffer, "%u\n", *value);
-}
-
-static ssize_t memctrl_int_store(void *ptr, const char *buffer, size_t count)
-{
-       int *value = (int*) ptr;
-
-       if (isdigit(*buffer))
-               *value = simple_strtoul(buffer, NULL, 0);
-
-       return count;
-}
-
-struct memctrl_dev_attribute {
-       struct attribute attr;
-       void *value;
-       ssize_t (*show)(void *,char *);
-       ssize_t (*store)(void *, const char *, size_t);
-};
-
-/* Set of show/store abstract level functions for memory control object */
-static ssize_t memctrl_dev_show(struct kobject *kobj,
-               struct attribute *attr, char *buffer)
-{
-       struct memctrl_dev_attribute *memctrl_dev;
-       memctrl_dev = (struct memctrl_dev_attribute*)attr;
-
-       if (memctrl_dev->show)
-               return memctrl_dev->show(memctrl_dev->value, buffer);
-
-       return -EIO;
-}
-
-static ssize_t memctrl_dev_store(struct kobject *kobj, struct attribute *attr,
-               const char *buffer, size_t count)
-{
-       struct memctrl_dev_attribute *memctrl_dev;
-       memctrl_dev = (struct memctrl_dev_attribute*)attr;
-
-       if (memctrl_dev->store)
-               return memctrl_dev->store(memctrl_dev->value, buffer, count);
-
-       return -EIO;
-}
-
-static struct sysfs_ops memctrlfs_ops = {
-       .show   = memctrl_dev_show,
-       .store  = memctrl_dev_store
-};
-
-#define MEMCTRL_ATTR(_name,_mode,_show,_store)                 \
-struct memctrl_dev_attribute attr_##_name = {                  \
-       .attr = {.name = __stringify(_name), .mode = _mode },   \
-       .value  = &_name,                                       \
-       .show   = _show,                                        \
-       .store  = _store,                                       \
-};
-
-#define MEMCTRL_STRING_ATTR(_name,_data,_mode,_show,_store)    \
-struct memctrl_dev_attribute attr_##_name = {                  \
-       .attr = {.name = __stringify(_name), .mode = _mode },   \
-       .value  = _data,                                        \
-       .show   = _show,                                        \
-       .store  = _store,                                       \
-};
-
-/* csrow<id> control files */
-MEMCTRL_ATTR(panic_on_ue,S_IRUGO|S_IWUSR,memctrl_int_show,memctrl_int_store);
-MEMCTRL_ATTR(log_ue,S_IRUGO|S_IWUSR,memctrl_int_show,memctrl_int_store);
-MEMCTRL_ATTR(log_ce,S_IRUGO|S_IWUSR,memctrl_int_show,memctrl_int_store);
-MEMCTRL_ATTR(poll_msec,S_IRUGO|S_IWUSR,memctrl_int_show,memctrl_int_store);
-
-/* Base Attributes of the memory ECC object */
-static struct memctrl_dev_attribute *memctrl_attr[] = {
-       &attr_panic_on_ue,
-       &attr_log_ue,
-       &attr_log_ce,
-       &attr_poll_msec,
-       NULL,
-};
-
-/* Main MC kobject release() function */
-static void edac_memctrl_master_release(struct kobject *kobj)
-{
-       debugf1("%s()\n", __func__);
-       complete(&edac_memctrl_kobj_complete);
-}
-
-static struct kobj_type ktype_memctrl = {
-       .release = edac_memctrl_master_release,
-       .sysfs_ops = &memctrlfs_ops,
-       .default_attrs = (struct attribute **) memctrl_attr,
-};
-
-/* Initialize the main sysfs entries for edac:
- *   /sys/devices/system/edac
- *
- * and children
- *
- * Return:  0 SUCCESS
- *         !0 FAILURE
- */
-static int edac_sysfs_memctrl_setup(void)
-{
-       int err = 0;
-
-       debugf1("%s()\n", __func__);
-
-       /* create the /sys/devices/system/edac directory */
-       err = sysdev_class_register(&edac_class);
-
-       if (err) {
-               debugf1("%s() error=%d\n", __func__, err);
-               return err;
-       }
-
-       /* Init the MC's kobject */
-       memset(&edac_memctrl_kobj, 0, sizeof (edac_memctrl_kobj));
-       edac_memctrl_kobj.parent = &edac_class.kset.kobj;
-       edac_memctrl_kobj.ktype = &ktype_memctrl;
-
-       /* generate sysfs "..../edac/mc"   */
-       err = kobject_set_name(&edac_memctrl_kobj,"mc");
-
-       if (err)
-               goto fail;
-
-       /* FIXME: maybe new sysdev_create_subdir() */
-       err = kobject_register(&edac_memctrl_kobj);
-
-       if (err) {
-               debugf1("Failed to register '.../edac/mc'\n");
-               goto fail;
-       }
-
-       debugf1("Registered '.../edac/mc' kobject\n");
-
-       return 0;
-
-fail:
-       sysdev_class_unregister(&edac_class);
-       return err;
-}
-
-/*
- * MC teardown:
- *     the '..../edac/mc' kobject followed by '..../edac' itself
- */
-static void edac_sysfs_memctrl_teardown(void)
-{
-       debugf0("MC: " __FILE__ ": %s()\n", __func__);
-
-       /* Unregister the MC's kobject and wait for reference count to reach
-        * 0.
-        */
-       init_completion(&edac_memctrl_kobj_complete);
-       kobject_unregister(&edac_memctrl_kobj);
-       wait_for_completion(&edac_memctrl_kobj_complete);
-
-       /* Unregister the 'edac' object */
-       sysdev_class_unregister(&edac_class);
-}
-
-#ifdef CONFIG_PCI
-static ssize_t edac_pci_int_show(void *ptr, char *buffer)
-{
-       int *value = ptr;
-       return sprintf(buffer,"%d\n",*value);
-}
-
-static ssize_t edac_pci_int_store(void *ptr, const char *buffer, size_t count)
-{
-       int *value = ptr;
-
-       if (isdigit(*buffer))
-               *value = simple_strtoul(buffer,NULL,0);
-
-       return count;
-}
-
-struct edac_pci_dev_attribute {
-       struct attribute attr;
-       void *value;
-       ssize_t (*show)(void *,char *);
-       ssize_t (*store)(void *, const char *,size_t);
-};
-
-/* Set of show/store abstract level functions for PCI Parity object */
-static ssize_t edac_pci_dev_show(struct kobject *kobj, struct attribute *attr,
-               char *buffer)
-{
-       struct edac_pci_dev_attribute *edac_pci_dev;
-       edac_pci_dev= (struct edac_pci_dev_attribute*)attr;
-
-       if (edac_pci_dev->show)
-               return edac_pci_dev->show(edac_pci_dev->value, buffer);
-       return -EIO;
-}
-
-static ssize_t edac_pci_dev_store(struct kobject *kobj,
-               struct attribute *attr, const char *buffer, size_t count)
-{
-       struct edac_pci_dev_attribute *edac_pci_dev;
-       edac_pci_dev= (struct edac_pci_dev_attribute*)attr;
-
-       if (edac_pci_dev->show)
-               return edac_pci_dev->store(edac_pci_dev->value, buffer, count);
-       return -EIO;
-}
-
-static struct sysfs_ops edac_pci_sysfs_ops = {
-       .show   = edac_pci_dev_show,
-       .store  = edac_pci_dev_store
-};
-
-#define EDAC_PCI_ATTR(_name,_mode,_show,_store)                        \
-struct edac_pci_dev_attribute edac_pci_attr_##_name = {                \
-       .attr = {.name = __stringify(_name), .mode = _mode },   \
-       .value  = &_name,                                       \
-       .show   = _show,                                        \
-       .store  = _store,                                       \
-};
-
-#define EDAC_PCI_STRING_ATTR(_name,_data,_mode,_show,_store)   \
-struct edac_pci_dev_attribute edac_pci_attr_##_name = {                \
-       .attr = {.name = __stringify(_name), .mode = _mode },   \
-       .value  = _data,                                        \
-       .show   = _show,                                        \
-       .store  = _store,                                       \
-};
-
-/* PCI Parity control files */
-EDAC_PCI_ATTR(check_pci_parity, S_IRUGO|S_IWUSR, edac_pci_int_show,
-       edac_pci_int_store);
-EDAC_PCI_ATTR(panic_on_pci_parity, S_IRUGO|S_IWUSR, edac_pci_int_show,
-       edac_pci_int_store);
-EDAC_PCI_ATTR(pci_parity_count, S_IRUGO, edac_pci_int_show, NULL);
-
-/* Base Attributes of the memory ECC object */
-static struct edac_pci_dev_attribute *edac_pci_attr[] = {
-       &edac_pci_attr_check_pci_parity,
-       &edac_pci_attr_panic_on_pci_parity,
-       &edac_pci_attr_pci_parity_count,
-       NULL,
-};
-
-/* No memory to release */
-static void edac_pci_release(struct kobject *kobj)
-{
-       debugf1("%s()\n", __func__);
-       complete(&edac_pci_kobj_complete);
-}
-
-static struct kobj_type ktype_edac_pci = {
-       .release = edac_pci_release,
-       .sysfs_ops = &edac_pci_sysfs_ops,
-       .default_attrs = (struct attribute **) edac_pci_attr,
-};
-
-/**
- * edac_sysfs_pci_setup()
- *
- */
-static int edac_sysfs_pci_setup(void)
-{
-       int err;
-
-       debugf1("%s()\n", __func__);
-
-       memset(&edac_pci_kobj, 0, sizeof(edac_pci_kobj));
-       edac_pci_kobj.parent = &edac_class.kset.kobj;
-       edac_pci_kobj.ktype = &ktype_edac_pci;
-       err = kobject_set_name(&edac_pci_kobj, "pci");
-
-       if (!err) {
-               /* Instanstiate the csrow object */
-               /* FIXME: maybe new sysdev_create_subdir() */
-               err = kobject_register(&edac_pci_kobj);
-
-               if (err)
-                       debugf1("Failed to register '.../edac/pci'\n");
-               else
-                       debugf1("Registered '.../edac/pci' kobject\n");
-       }
-
-       return err;
-}
-
-static void edac_sysfs_pci_teardown(void)
-{
-       debugf0("%s()\n", __func__);
-       init_completion(&edac_pci_kobj_complete);
-       kobject_unregister(&edac_pci_kobj);
-       wait_for_completion(&edac_pci_kobj_complete);
-}
-
-
-static u16 get_pci_parity_status(struct pci_dev *dev, int secondary)
-{
-       int where;
-       u16 status;
-
-       where = secondary ? PCI_SEC_STATUS : PCI_STATUS;
-       pci_read_config_word(dev, where, &status);
-
-       /* If we get back 0xFFFF then we must suspect that the card has been
-        * pulled but the Linux PCI layer has not yet finished cleaning up.
-        * We don't want to report on such devices
-        */
-
-       if (status == 0xFFFF) {
-               u32 sanity;
-
-               pci_read_config_dword(dev, 0, &sanity);
-
-               if (sanity == 0xFFFFFFFF)
-                       return 0;
-       }
-
-       status &= PCI_STATUS_DETECTED_PARITY | PCI_STATUS_SIG_SYSTEM_ERROR |
-               PCI_STATUS_PARITY;
-
-       if (status)
-               /* reset only the bits we are interested in */
-               pci_write_config_word(dev, where, status);
-
-       return status;
-}
-
-typedef void (*pci_parity_check_fn_t) (struct pci_dev *dev);
-
-/* Clear any PCI parity errors logged by this device. */
-static void edac_pci_dev_parity_clear(struct pci_dev *dev)
-{
-       u8 header_type;
-
-       get_pci_parity_status(dev, 0);
-
-       /* read the device TYPE, looking for bridges */
-       pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type);
-
-       if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE)
-               get_pci_parity_status(dev, 1);
-}
-
-/*
- *  PCI Parity polling
- *
- */
-static void edac_pci_dev_parity_test(struct pci_dev *dev)
-{
-       u16 status;
-       u8  header_type;
-
-       /* read the STATUS register on this device
-        */
-       status = get_pci_parity_status(dev, 0);
-
-       debugf2("PCI STATUS= 0x%04x %s\n", status, dev->dev.bus_id );
-
-       /* check the status reg for errors */
-       if (status) {
-               if (status & (PCI_STATUS_SIG_SYSTEM_ERROR))
-                       edac_printk(KERN_CRIT, EDAC_PCI,
-                               "Signaled System Error on %s\n",
-                               pci_name(dev));
-
-               if (status & (PCI_STATUS_PARITY)) {
-                       edac_printk(KERN_CRIT, EDAC_PCI,
-                               "Master Data Parity Error on %s\n",
-                               pci_name(dev));
-
-                       atomic_inc(&pci_parity_count);
-               }
-
-               if (status & (PCI_STATUS_DETECTED_PARITY)) {
-                       edac_printk(KERN_CRIT, EDAC_PCI,
-                               "Detected Parity Error on %s\n",
-                               pci_name(dev));
-
-                       atomic_inc(&pci_parity_count);
-               }
-       }
-
-       /* read the device TYPE, looking for bridges */
-       pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type);
-
-       debugf2("PCI HEADER TYPE= 0x%02x %s\n", header_type, dev->dev.bus_id );
-
-       if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE) {
-               /* On bridges, need to examine secondary status register  */
-               status = get_pci_parity_status(dev, 1);
-
-               debugf2("PCI SEC_STATUS= 0x%04x %s\n",
-                               status, dev->dev.bus_id );
-
-               /* check the secondary status reg for errors */
-               if (status) {
-                       if (status & (PCI_STATUS_SIG_SYSTEM_ERROR))
-                               edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
-                                       "Signaled System Error on %s\n",
-                                       pci_name(dev));
-
-                       if (status & (PCI_STATUS_PARITY)) {
-                               edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
-                                       "Master Data Parity Error on "
-                                       "%s\n", pci_name(dev));
-
-                               atomic_inc(&pci_parity_count);
-                       }
-
-                       if (status & (PCI_STATUS_DETECTED_PARITY)) {
-                               edac_printk(KERN_CRIT, EDAC_PCI, "Bridge "
-                                       "Detected Parity Error on %s\n",
-                                       pci_name(dev));
-
-                               atomic_inc(&pci_parity_count);
-                       }
-               }
-       }
-}
-
-/*
- * pci_dev parity list iterator
- *     Scan the PCI device list for one iteration, looking for SERRORs
- *     Master Parity ERRORS or Parity ERRORs on primary or secondary devices
- */
-static inline void edac_pci_dev_parity_iterator(pci_parity_check_fn_t fn)
-{
-       struct pci_dev *dev = NULL;
-
-       /* request for kernel access to the next PCI device, if any,
-        * and while we are looking at it have its reference count
-        * bumped until we are done with it
-        */
-       while((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
-               fn(dev);
-       }
-}
-
-static void do_pci_parity_check(void)
-{
-       unsigned long flags;
-       int before_count;
-
-       debugf3("%s()\n", __func__);
-
-       if (!check_pci_parity)
-               return;
-
-       before_count = atomic_read(&pci_parity_count);
-
-       /* scan all PCI devices looking for a Parity Error on devices and
-        * bridges
-        */
-       local_irq_save(flags);
-       edac_pci_dev_parity_iterator(edac_pci_dev_parity_test);
-       local_irq_restore(flags);
-
-       /* Only if operator has selected panic on PCI Error */
-       if (panic_on_pci_parity) {
-               /* If the count is different 'after' from 'before' */
-               if (before_count != atomic_read(&pci_parity_count))
-                       panic("EDAC: PCI Parity Error");
-       }
-}
-
-static inline void clear_pci_parity_errors(void)
-{
-       /* Clear any PCI bus parity errors that devices initially have logged
-        * in their registers.
-        */
-       edac_pci_dev_parity_iterator(edac_pci_dev_parity_clear);
-}
-
-#else  /* CONFIG_PCI */
-
-/* pre-process these away */
-#define        do_pci_parity_check()
-#define        clear_pci_parity_errors()
-#define        edac_sysfs_pci_teardown()
-#define        edac_sysfs_pci_setup()  (0)
-
-#endif /* CONFIG_PCI */
-
-/* EDAC sysfs CSROW data structures and methods
- */
-
-/* Set of more default csrow<id> attribute show/store functions */
-static ssize_t csrow_ue_count_show(struct csrow_info *csrow, char *data, int private)
-{
-       return sprintf(data,"%u\n", csrow->ue_count);
-}
-
-static ssize_t csrow_ce_count_show(struct csrow_info *csrow, char *data, int private)
-{
-       return sprintf(data,"%u\n", csrow->ce_count);
-}
-
-static ssize_t csrow_size_show(struct csrow_info *csrow, char *data, int private)
-{
-       return sprintf(data,"%u\n", PAGES_TO_MiB(csrow->nr_pages));
-}
-
-static ssize_t csrow_mem_type_show(struct csrow_info *csrow, char *data, int private)
-{
-       return sprintf(data,"%s\n", mem_types[csrow->mtype]);
-}
-
-static ssize_t csrow_dev_type_show(struct csrow_info *csrow, char *data, int private)
-{
-       return sprintf(data,"%s\n", dev_types[csrow->dtype]);
-}
-
-static ssize_t csrow_edac_mode_show(struct csrow_info *csrow, char *data, int private)
-{
-       return sprintf(data,"%s\n", edac_caps[csrow->edac_mode]);
-}
-
-/* show/store functions for DIMM Label attributes */
-static ssize_t channel_dimm_label_show(struct csrow_info *csrow,
-               char *data, int channel)
-{
-       return snprintf(data, EDAC_MC_LABEL_LEN,"%s",
-                       csrow->channels[channel].label);
-}
-
-static ssize_t channel_dimm_label_store(struct csrow_info *csrow,
-                               const char *data,
-                               size_t count,
-                               int channel)
-{
-       ssize_t max_size = 0;
-
-       max_size = min((ssize_t)count,(ssize_t)EDAC_MC_LABEL_LEN-1);
-       strncpy(csrow->channels[channel].label, data, max_size);
-       csrow->channels[channel].label[max_size] = '\0';
-
-       return max_size;
-}
-
-/* show function for dynamic chX_ce_count attribute */
-static ssize_t channel_ce_count_show(struct csrow_info *csrow,
-                               char *data,
-                               int channel)
-{
-       return sprintf(data, "%u\n", csrow->channels[channel].ce_count);
-}
-
-/* csrow specific attribute structure */
-struct csrowdev_attribute {
-       struct attribute attr;
-       ssize_t (*show)(struct csrow_info *,char *,int);
-       ssize_t (*store)(struct csrow_info *, const char *,size_t,int);
-       int    private;
-};
-
-#define to_csrow(k) container_of(k, struct csrow_info, kobj)
-#define to_csrowdev_attr(a) container_of(a, struct csrowdev_attribute, attr)
-
-/* Set of show/store higher level functions for default csrow attributes */
-static ssize_t csrowdev_show(struct kobject *kobj,
-                       struct attribute *attr,
-                       char *buffer)
-{
-       struct csrow_info *csrow = to_csrow(kobj);
-       struct csrowdev_attribute *csrowdev_attr = to_csrowdev_attr(attr);
-
-       if (csrowdev_attr->show)
-               return csrowdev_attr->show(csrow,
-                                       buffer,
-                                       csrowdev_attr->private);
-       return -EIO;
-}
-
-static ssize_t csrowdev_store(struct kobject *kobj, struct attribute *attr,
-               const char *buffer, size_t count)
-{
-       struct csrow_info *csrow = to_csrow(kobj);
-       struct csrowdev_attribute * csrowdev_attr = to_csrowdev_attr(attr);
-
-       if (csrowdev_attr->store)
-               return csrowdev_attr->store(csrow,
-                                       buffer,
-                                       count,
-                                       csrowdev_attr->private);
-       return -EIO;
-}
-
-static struct sysfs_ops csrowfs_ops = {
-       .show   = csrowdev_show,
-       .store  = csrowdev_store
-};
-
-#define CSROWDEV_ATTR(_name,_mode,_show,_store,_private)       \
-struct csrowdev_attribute attr_##_name = {                     \
-       .attr = {.name = __stringify(_name), .mode = _mode },   \
-       .show   = _show,                                        \
-       .store  = _store,                                       \
-       .private = _private,                                    \
-};
-
-/* default cwrow<id>/attribute files */
-CSROWDEV_ATTR(size_mb,S_IRUGO,csrow_size_show,NULL,0);
-CSROWDEV_ATTR(dev_type,S_IRUGO,csrow_dev_type_show,NULL,0);
-CSROWDEV_ATTR(mem_type,S_IRUGO,csrow_mem_type_show,NULL,0);
-CSROWDEV_ATTR(edac_mode,S_IRUGO,csrow_edac_mode_show,NULL,0);
-CSROWDEV_ATTR(ue_count,S_IRUGO,csrow_ue_count_show,NULL,0);
-CSROWDEV_ATTR(ce_count,S_IRUGO,csrow_ce_count_show,NULL,0);
-
-/* default attributes of the CSROW<id> object */
-static struct csrowdev_attribute *default_csrow_attr[] = {
-       &attr_dev_type,
-       &attr_mem_type,
-       &attr_edac_mode,
-       &attr_size_mb,
-       &attr_ue_count,
-       &attr_ce_count,
-       NULL,
-};
-
-
-/* possible dynamic channel DIMM Label attribute files */
-CSROWDEV_ATTR(ch0_dimm_label,S_IRUGO|S_IWUSR,
-               channel_dimm_label_show,
-               channel_dimm_label_store,
-               0 );
-CSROWDEV_ATTR(ch1_dimm_label,S_IRUGO|S_IWUSR,
-               channel_dimm_label_show,
-               channel_dimm_label_store,
-               1 );
-CSROWDEV_ATTR(ch2_dimm_label,S_IRUGO|S_IWUSR,
-               channel_dimm_label_show,
-               channel_dimm_label_store,
-               2 );
-CSROWDEV_ATTR(ch3_dimm_label,S_IRUGO|S_IWUSR,
-               channel_dimm_label_show,
-               channel_dimm_label_store,
-               3 );
-CSROWDEV_ATTR(ch4_dimm_label,S_IRUGO|S_IWUSR,
-               channel_dimm_label_show,
-               channel_dimm_label_store,
-               4 );
-CSROWDEV_ATTR(ch5_dimm_label,S_IRUGO|S_IWUSR,
-               channel_dimm_label_show,
-               channel_dimm_label_store,
-               5 );
-
-/* Total possible dynamic DIMM Label attribute file table */
-static struct csrowdev_attribute *dynamic_csrow_dimm_attr[] = {
-               &attr_ch0_dimm_label,
-               &attr_ch1_dimm_label,
-               &attr_ch2_dimm_label,
-               &attr_ch3_dimm_label,
-               &attr_ch4_dimm_label,
-               &attr_ch5_dimm_label
-};
-
-/* possible dynamic channel ce_count attribute files */
-CSROWDEV_ATTR(ch0_ce_count,S_IRUGO|S_IWUSR,
-               channel_ce_count_show,
-               NULL,
-               0 );
-CSROWDEV_ATTR(ch1_ce_count,S_IRUGO|S_IWUSR,
-               channel_ce_count_show,
-               NULL,
-               1 );
-CSROWDEV_ATTR(ch2_ce_count,S_IRUGO|S_IWUSR,
-               channel_ce_count_show,
-               NULL,
-               2 );
-CSROWDEV_ATTR(ch3_ce_count,S_IRUGO|S_IWUSR,
-               channel_ce_count_show,
-               NULL,
-               3 );
-CSROWDEV_ATTR(ch4_ce_count,S_IRUGO|S_IWUSR,
-               channel_ce_count_show,
-               NULL,
-               4 );
-CSROWDEV_ATTR(ch5_ce_count,S_IRUGO|S_IWUSR,
-               channel_ce_count_show,
-               NULL,
-               5 );
-
-/* Total possible dynamic ce_count attribute file table */
-static struct csrowdev_attribute *dynamic_csrow_ce_count_attr[] = {
-               &attr_ch0_ce_count,
-               &attr_ch1_ce_count,
-               &attr_ch2_ce_count,
-               &attr_ch3_ce_count,
-               &attr_ch4_ce_count,
-               &attr_ch5_ce_count
-};
-
-
-#define EDAC_NR_CHANNELS       6
-
-/* Create dynamic CHANNEL files, indexed by 'chan',  under specifed CSROW */
-static int edac_create_channel_files(struct kobject *kobj, int chan)
-{
-       int err=-ENODEV;
-
-       if (chan >= EDAC_NR_CHANNELS)
-               return err;
-
-       /* create the DIMM label attribute file */
-       err = sysfs_create_file(kobj,
-                       (struct attribute *) dynamic_csrow_dimm_attr[chan]);
-
-       if (!err) {
-               /* create the CE Count attribute file */
-               err = sysfs_create_file(kobj,
-                       (struct attribute *) dynamic_csrow_ce_count_attr[chan]);
-       } else {
-               debugf1("%s()  dimm labels and ce_count files created", __func__);
-       }
-
-       return err;
-}
-
-/* No memory to release for this kobj */
-static void edac_csrow_instance_release(struct kobject *kobj)
-{
-       struct csrow_info *cs;
-
-       cs = container_of(kobj, struct csrow_info, kobj);
-       complete(&cs->kobj_complete);
-}
-
-/* the kobj_type instance for a CSROW */
-static struct kobj_type ktype_csrow = {
-       .release = edac_csrow_instance_release,
-       .sysfs_ops = &csrowfs_ops,
-       .default_attrs = (struct attribute **) default_csrow_attr,
-};
-
-/* Create a CSROW object under specifed edac_mc_device */
-static int edac_create_csrow_object(
-               struct kobject *edac_mci_kobj,
-               struct csrow_info *csrow,
-               int index)
-{
-       int err = 0;
-       int chan;
-
-       memset(&csrow->kobj, 0, sizeof(csrow->kobj));
-
-       /* generate ..../edac/mc/mc<id>/csrow<index>   */
-
-       csrow->kobj.parent = edac_mci_kobj;
-       csrow->kobj.ktype = &ktype_csrow;
-
-       /* name this instance of csrow<id> */
-       err = kobject_set_name(&csrow->kobj,"csrow%d",index);
-       if (err)
-               goto error_exit;
-
-       /* Instanstiate the csrow object */
-       err = kobject_register(&csrow->kobj);
-       if (!err) {
-               /* Create the dyanmic attribute files on this csrow,
-                * namely, the DIMM labels and the channel ce_count
-                */
-               for (chan = 0; chan < csrow->nr_channels; chan++) {
-                       err = edac_create_channel_files(&csrow->kobj,chan);
-                       if (err)
-                               break;
-               }
-       }
-
-error_exit:
-       return err;
-}
-
-/* default sysfs methods and data structures for the main MCI kobject */
-
-static ssize_t mci_reset_counters_store(struct mem_ctl_info *mci,
-               const char *data, size_t count)
-{
-       int row, chan;
-
-       mci->ue_noinfo_count = 0;
-       mci->ce_noinfo_count = 0;
-       mci->ue_count = 0;
-       mci->ce_count = 0;
-
-       for (row = 0; row < mci->nr_csrows; row++) {
-               struct csrow_info *ri = &mci->csrows[row];
-
-               ri->ue_count = 0;
-               ri->ce_count = 0;
-
-               for (chan = 0; chan < ri->nr_channels; chan++)
-                       ri->channels[chan].ce_count = 0;
-       }
-
-       mci->start_time = jiffies;
-       return count;
-}
-
-/* default attribute files for the MCI object */
-static ssize_t mci_ue_count_show(struct mem_ctl_info *mci, char *data)
-{
-       return sprintf(data,"%d\n", mci->ue_count);
-}
-
-static ssize_t mci_ce_count_show(struct mem_ctl_info *mci, char *data)
-{
-       return sprintf(data,"%d\n", mci->ce_count);
-}
-
-static ssize_t mci_ce_noinfo_show(struct mem_ctl_info *mci, char *data)
-{
-       return sprintf(data,"%d\n", mci->ce_noinfo_count);
-}
-
-static ssize_t mci_ue_noinfo_show(struct mem_ctl_info *mci, char *data)
-{
-       return sprintf(data,"%d\n", mci->ue_noinfo_count);
-}
-
-static ssize_t mci_seconds_show(struct mem_ctl_info *mci, char *data)
-{
-       return sprintf(data,"%ld\n", (jiffies - mci->start_time) / HZ);
-}
-
-static ssize_t mci_ctl_name_show(struct mem_ctl_info *mci, char *data)
-{
-       return sprintf(data,"%s\n", mci->ctl_name);
-}
-
-static ssize_t mci_size_mb_show(struct mem_ctl_info *mci, char *data)
-{
-       int total_pages, csrow_idx;
-
-       for (total_pages = csrow_idx = 0; csrow_idx < mci->nr_csrows;
-                       csrow_idx++) {
-               struct csrow_info *csrow = &mci->csrows[csrow_idx];
-
-               if (!csrow->nr_pages)
-                       continue;
-
-               total_pages += csrow->nr_pages;
-       }
-
-       return sprintf(data,"%u\n", PAGES_TO_MiB(total_pages));
-}
-
-struct mcidev_attribute {
-       struct attribute attr;
-       ssize_t (*show)(struct mem_ctl_info *,char *);
-       ssize_t (*store)(struct mem_ctl_info *, const char *,size_t);
-};
-
-#define to_mci(k) container_of(k, struct mem_ctl_info, edac_mci_kobj)
-#define to_mcidev_attr(a) container_of(a, struct mcidev_attribute, attr)
-
-/* MCI show/store functions for top most object */
-static ssize_t mcidev_show(struct kobject *kobj, struct attribute *attr,
-               char *buffer)
-{
-       struct mem_ctl_info *mem_ctl_info = to_mci(kobj);
-       struct mcidev_attribute * mcidev_attr = to_mcidev_attr(attr);
-
-       if (mcidev_attr->show)
-               return mcidev_attr->show(mem_ctl_info, buffer);
-
-       return -EIO;
-}
-
-static ssize_t mcidev_store(struct kobject *kobj, struct attribute *attr,
-               const char *buffer, size_t count)
-{
-       struct mem_ctl_info *mem_ctl_info = to_mci(kobj);
-       struct mcidev_attribute * mcidev_attr = to_mcidev_attr(attr);
-
-       if (mcidev_attr->store)
-               return mcidev_attr->store(mem_ctl_info, buffer, count);
-
-       return -EIO;
-}
-
-static struct sysfs_ops mci_ops = {
-       .show = mcidev_show,
-       .store = mcidev_store
-};
-
-#define MCIDEV_ATTR(_name,_mode,_show,_store)                  \
-struct mcidev_attribute mci_attr_##_name = {                   \
-       .attr = {.name = __stringify(_name), .mode = _mode },   \
-       .show   = _show,                                        \
-       .store  = _store,                                       \
-};
-
-/* default Control file */
-MCIDEV_ATTR(reset_counters,S_IWUSR,NULL,mci_reset_counters_store);
-
-/* default Attribute files */
-MCIDEV_ATTR(mc_name,S_IRUGO,mci_ctl_name_show,NULL);
-MCIDEV_ATTR(size_mb,S_IRUGO,mci_size_mb_show,NULL);
-MCIDEV_ATTR(seconds_since_reset,S_IRUGO,mci_seconds_show,NULL);
-MCIDEV_ATTR(ue_noinfo_count,S_IRUGO,mci_ue_noinfo_show,NULL);
-MCIDEV_ATTR(ce_noinfo_count,S_IRUGO,mci_ce_noinfo_show,NULL);
-MCIDEV_ATTR(ue_count,S_IRUGO,mci_ue_count_show,NULL);
-MCIDEV_ATTR(ce_count,S_IRUGO,mci_ce_count_show,NULL);
-
-static struct mcidev_attribute *mci_attr[] = {
-       &mci_attr_reset_counters,
-       &mci_attr_mc_name,
-       &mci_attr_size_mb,
-       &mci_attr_seconds_since_reset,
-       &mci_attr_ue_noinfo_count,
-       &mci_attr_ce_noinfo_count,
-       &mci_attr_ue_count,
-       &mci_attr_ce_count,
-       NULL
-};
-
-/*
- * Release of a MC controlling instance
- */
-static void edac_mci_instance_release(struct kobject *kobj)
-{
-       struct mem_ctl_info *mci;
-
-       mci = to_mci(kobj);
-       debugf0("%s() idx=%d\n", __func__, mci->mc_idx);
-       complete(&mci->kobj_complete);
-}
-
-static struct kobj_type ktype_mci = {
-       .release = edac_mci_instance_release,
-       .sysfs_ops = &mci_ops,
-       .default_attrs = (struct attribute **) mci_attr,
-};
-
-
-#define EDAC_DEVICE_SYMLINK    "device"
-
-/*
- * Create a new Memory Controller kobject instance,
- *     mc<id> under the 'mc' directory
- *
- * Return:
- *     0       Success
- *     !0      Failure
- */
-static int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
-{
-       int i;
-       int err;
-       struct csrow_info *csrow;
-       struct kobject *edac_mci_kobj=&mci->edac_mci_kobj;
-
-       debugf0("%s() idx=%d\n", __func__, mci->mc_idx);
-       memset(edac_mci_kobj, 0, sizeof(*edac_mci_kobj));
-
-       /* set the name of the mc<id> object */
-       err = kobject_set_name(edac_mci_kobj,"mc%d",mci->mc_idx);
-       if (err)
-               return err;
-
-       /* link to our parent the '..../edac/mc' object */
-       edac_mci_kobj->parent = &edac_memctrl_kobj;
-       edac_mci_kobj->ktype = &ktype_mci;
-
-       /* register the mc<id> kobject */
-       err = kobject_register(edac_mci_kobj);
-       if (err)
-               return err;
-
-       /* create a symlink for the device */
-       err = sysfs_create_link(edac_mci_kobj, &mci->dev->kobj,
-                               EDAC_DEVICE_SYMLINK);
-       if (err)
-               goto fail0;
-
-       /* Make directories for each CSROW object
-        * under the mc<id> kobject
-        */
-       for (i = 0; i < mci->nr_csrows; i++) {
-               csrow = &mci->csrows[i];
-
-               /* Only expose populated CSROWs */
-               if (csrow->nr_pages > 0) {
-                       err = edac_create_csrow_object(edac_mci_kobj,csrow,i);
-                       if (err)
-                               goto fail1;
-               }
-       }
-
-       return 0;
-
-       /* CSROW error: backout what has already been registered,  */
-fail1:
-       for ( i--; i >= 0; i--) {
-               if (csrow->nr_pages > 0) {
-                       init_completion(&csrow->kobj_complete);
-                       kobject_unregister(&mci->csrows[i].kobj);
-                       wait_for_completion(&csrow->kobj_complete);
-               }
-       }
-
-fail0:
-       init_completion(&mci->kobj_complete);
-       kobject_unregister(edac_mci_kobj);
-       wait_for_completion(&mci->kobj_complete);
-       return err;
-}
-
-/*
- * remove a Memory Controller instance
- */
-static void edac_remove_sysfs_mci_device(struct mem_ctl_info *mci)
-{
-       int i;
-
-       debugf0("%s()\n", __func__);
-
-       /* remove all csrow kobjects */
-       for (i = 0; i < mci->nr_csrows; i++) {
-               if (mci->csrows[i].nr_pages > 0) {
-                       init_completion(&mci->csrows[i].kobj_complete);
-                       kobject_unregister(&mci->csrows[i].kobj);
-                       wait_for_completion(&mci->csrows[i].kobj_complete);
-               }
-       }
-
-       sysfs_remove_link(&mci->edac_mci_kobj, EDAC_DEVICE_SYMLINK);
-       init_completion(&mci->kobj_complete);
-       kobject_unregister(&mci->edac_mci_kobj);
-       wait_for_completion(&mci->kobj_complete);
-}
-
-/* END OF sysfs data and methods */
-
 #ifdef CONFIG_EDAC_DEBUG
 
-void edac_mc_dump_channel(struct channel_info *chan)
+static void edac_mc_dump_channel(struct channel_info *chan)
 {
        debugf4("\tchannel = %p\n", chan);
        debugf4("\tchannel->chan_idx = %d\n", chan->chan_idx);
@@ -1173,9 +48,8 @@ void edac_mc_dump_channel(struct channel_info *chan)
        debugf4("\tchannel->label = '%s'\n", chan->label);
        debugf4("\tchannel->csrow = %p\n\n", chan->csrow);
 }
-EXPORT_SYMBOL_GPL(edac_mc_dump_channel);
 
-void edac_mc_dump_csrow(struct csrow_info *csrow)
+static void edac_mc_dump_csrow(struct csrow_info *csrow)
 {
        debugf4("\tcsrow = %p\n", csrow);
        debugf4("\tcsrow->csrow_idx = %d\n", csrow->csrow_idx);
@@ -1189,9 +63,8 @@ void edac_mc_dump_csrow(struct csrow_info *csrow)
        debugf4("\tcsrow->channels = %p\n", csrow->channels);
        debugf4("\tcsrow->mci = %p\n\n", csrow->mci);
 }
-EXPORT_SYMBOL_GPL(edac_mc_dump_csrow);
 
-void edac_mc_dump_mci(struct mem_ctl_info *mci)
+static void edac_mc_dump_mci(struct mem_ctl_info *mci)
 {
        debugf3("\tmci = %p\n", mci);
        debugf3("\tmci->mtype_cap = %lx\n", mci->mtype_cap);
@@ -1205,7 +78,6 @@ void edac_mc_dump_mci(struct mem_ctl_info *mci)
                mci->mod_name, mci->ctl_name);
        debugf3("\tpvt_info = %p\n\n", mci->pvt_info);
 }
-EXPORT_SYMBOL_GPL(edac_mc_dump_mci);
 
 #endif  /* CONFIG_EDAC_DEBUG */
 
@@ -1402,6 +274,34 @@ static void del_mc_from_global_list(struct mem_ctl_info *mci)
 }
 
 /**
+ * edac_mc_find: Search for a mem_ctl_info structure whose index is 'idx'.
+ *
+ * If found, return a pointer to the structure.
+ * Else return NULL.
+ *
+ * Caller must hold mem_ctls_mutex.
+ */
+struct mem_ctl_info * edac_mc_find(int idx)
+{
+       struct list_head *item;
+       struct mem_ctl_info *mci;
+
+       list_for_each(item, &mc_devices) {
+               mci = list_entry(item, struct mem_ctl_info, link);
+
+               if (mci->mc_idx >= idx) {
+                       if (mci->mc_idx == idx)
+                               return mci;
+
+                       break;
+               }
+       }
+
+       return NULL;
+}
+EXPORT_SYMBOL(edac_mc_find);
+
+/**
  * edac_mc_add_mc: Insert the 'mci' structure into the mci global list and
  *                 create sysfs entries associated with mci structure
  * @mci: pointer to the mci structure to be added to the list
@@ -1442,11 +342,11 @@ int edac_mc_add_mc(struct mem_ctl_info *mci, int mc_idx)
        /* set load time so that error rate can be tracked */
        mci->start_time = jiffies;
 
-        if (edac_create_sysfs_mci_device(mci)) {
-                edac_mc_printk(mci, KERN_WARNING,
+       if (edac_create_sysfs_mci_device(mci)) {
+               edac_mc_printk(mci, KERN_WARNING,
                        "failed to create sysfs device\n");
-                goto fail1;
-        }
+               goto fail1;
+       }
 
        /* Report action taken */
        edac_mc_printk(mci, KERN_INFO, "Giving out device to %s %s: DEV %s\n",
@@ -1493,7 +393,8 @@ struct mem_ctl_info * edac_mc_del_mc(struct device *dev)
 }
 EXPORT_SYMBOL_GPL(edac_mc_del_mc);
 
-void edac_mc_scrub_block(unsigned long page, unsigned long offset, u32 size)
+static void edac_mc_scrub_block(unsigned long page, unsigned long offset,
+                               u32 size)
 {
        struct page *pg;
        void *virt_addr;
@@ -1522,7 +423,6 @@ void edac_mc_scrub_block(unsigned long page, unsigned long offset, u32 size)
        if (PageHighMem(pg))
                local_irq_restore(flags);
 }
-EXPORT_SYMBOL_GPL(edac_mc_scrub_block);
 
 /* FIXME - should return -1 */
 int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci, unsigned long page)
@@ -1592,7 +492,7 @@ void edac_mc_handle_ce(struct mem_ctl_info *mci,
                return;
        }
 
-       if (log_ce)
+       if (edac_get_log_ce())
                /* FIXME - put in DIMM location */
                edac_mc_printk(mci, KERN_WARNING,
                        "CE page 0x%lx, offset 0x%lx, grain %d, syndrome "
@@ -1627,7 +527,7 @@ EXPORT_SYMBOL_GPL(edac_mc_handle_ce);
 
 void edac_mc_handle_ce_no_info(struct mem_ctl_info *mci, const char *msg)
 {
-       if (log_ce)
+       if (edac_get_log_ce())
                edac_mc_printk(mci, KERN_WARNING,
                        "CE - no information available: %s\n", msg);
 
@@ -1671,14 +571,14 @@ void edac_mc_handle_ue(struct mem_ctl_info *mci,
                pos += chars;
        }
 
-       if (log_ue)
+       if (edac_get_log_ue())
                edac_mc_printk(mci, KERN_EMERG,
                        "UE page 0x%lx, offset 0x%lx, grain %d, row %d, "
                        "labels \"%s\": %s\n", page_frame_number,
                        offset_in_page, mci->csrows[row].grain, row, labels,
                        msg);
 
-       if (panic_on_ue)
+       if (edac_get_panic_on_ue())
                panic("EDAC MC%d: UE page 0x%lx, offset 0x%lx, grain %d, "
                        "row %d, labels \"%s\": %s\n", mci->mc_idx,
                        page_frame_number, offset_in_page,
@@ -1691,10 +591,10 @@ EXPORT_SYMBOL_GPL(edac_mc_handle_ue);
 
 void edac_mc_handle_ue_no_info(struct mem_ctl_info *mci, const char *msg)
 {
-       if (panic_on_ue)
+       if (edac_get_panic_on_ue())
                panic("EDAC MC%d: Uncorrected Error", mci->mc_idx);
 
-       if (log_ue)
+       if (edac_get_log_ue())
                edac_mc_printk(mci, KERN_WARNING,
                        "UE - no information available: %s\n", msg);
        mci->ue_noinfo_count++;
@@ -1703,137 +603,133 @@ void edac_mc_handle_ue_no_info(struct mem_ctl_info *mci, const char *msg)
 EXPORT_SYMBOL_GPL(edac_mc_handle_ue_no_info);
 
 
-/*
- * Iterate over all MC instances and check for ECC, et al, errors
+/*************************************************************
+ * On Fully Buffered DIMM modules, this help function is
+ * called to process UE events
  */
-static inline void check_mc_devices(void)
+void edac_mc_handle_fbd_ue(struct mem_ctl_info *mci,
+                               unsigned int csrow,
+                               unsigned int channela,
+                               unsigned int channelb,
+                               char *msg)
 {
-       struct list_head *item;
-       struct mem_ctl_info *mci;
-
-       debugf3("%s()\n", __func__);
-       down(&mem_ctls_mutex);
+       int len = EDAC_MC_LABEL_LEN * 4;
+       char labels[len + 1];
+       char *pos = labels;
+       int chars;
 
-       list_for_each(item, &mc_devices) {
-               mci = list_entry(item, struct mem_ctl_info, link);
+       if (csrow >= mci->nr_csrows) {
+               /* something is wrong */
+               edac_mc_printk(mci, KERN_ERR,
+                       "INTERNAL ERROR: row out of range (%d >= %d)\n",
+                       csrow, mci->nr_csrows);
+               edac_mc_handle_ue_no_info(mci, "INTERNAL ERROR");
+               return;
+       }
 
-               if (mci->edac_check != NULL)
-                       mci->edac_check(mci);
+       if (channela >= mci->csrows[csrow].nr_channels) {
+               /* something is wrong */
+               edac_mc_printk(mci, KERN_ERR,
+                       "INTERNAL ERROR: channel-a out of range "
+                       "(%d >= %d)\n",
+                       channela, mci->csrows[csrow].nr_channels);
+               edac_mc_handle_ue_no_info(mci, "INTERNAL ERROR");
+               return;
        }
 
-       up(&mem_ctls_mutex);
-}
+       if (channelb >= mci->csrows[csrow].nr_channels) {
+               /* something is wrong */
+               edac_mc_printk(mci, KERN_ERR,
+                       "INTERNAL ERROR: channel-b out of range "
+                       "(%d >= %d)\n",
+                       channelb, mci->csrows[csrow].nr_channels);
+               edac_mc_handle_ue_no_info(mci, "INTERNAL ERROR");
+               return;
+       }
 
-/*
- * Check MC status every poll_msec.
- * Check PCI status every poll_msec as well.
- *
- * This where the work gets done for edac.
- *
- * SMP safe, doesn't use NMI, and auto-rate-limits.
- */
-static void do_edac_check(void)
-{
-       debugf3("%s()\n", __func__);
-       check_mc_devices();
-       do_pci_parity_check();
-}
+       mci->ue_count++;
+       mci->csrows[csrow].ue_count++;
 
-static int edac_kernel_thread(void *arg)
-{
-       while (!kthread_should_stop()) {
-               do_edac_check();
+       /* Generate the DIMM labels from the specified channels */
+       chars = snprintf(pos, len + 1, "%s",
+                        mci->csrows[csrow].channels[channela].label);
+       len -= chars; pos += chars;
+       chars = snprintf(pos, len + 1, "-%s",
+                        mci->csrows[csrow].channels[channelb].label);
 
-               /* goto sleep for the interval */
-               schedule_timeout_interruptible((HZ * poll_msec) / 1000);
-               try_to_freeze();
-       }
+       if (edac_get_log_ue())
+               edac_mc_printk(mci, KERN_EMERG,
+                       "UE row %d, channel-a= %d channel-b= %d "
+                       "labels \"%s\": %s\n", csrow, channela, channelb,
+                       labels, msg);
 
-       return 0;
+       if (edac_get_panic_on_ue())
+               panic("UE row %d, channel-a= %d channel-b= %d "
+                               "labels \"%s\": %s\n", csrow, channela,
+                               channelb, labels, msg);
 }
+EXPORT_SYMBOL(edac_mc_handle_fbd_ue);
 
-/*
- * edac_mc_init
- *      module initialization entry point
+/*************************************************************
+ * On Fully Buffered DIMM modules, this help function is
+ * called to process CE events
  */
-static int __init edac_mc_init(void)
+void edac_mc_handle_fbd_ce(struct mem_ctl_info *mci,
+                          unsigned int csrow,
+                          unsigned int channel,
+                          char *msg)
 {
-       edac_printk(KERN_INFO, EDAC_MC, EDAC_MC_VERSION "\n");
-
-       /*
-        * Harvest and clear any boot/initialization PCI parity errors
-        *
-        * FIXME: This only clears errors logged by devices present at time of
-        *      module initialization.  We should also do an initial clear
-        *      of each newly hotplugged device.
-        */
-       clear_pci_parity_errors();
 
-       /* Create the MC sysfs entries */
-       if (edac_sysfs_memctrl_setup()) {
-               edac_printk(KERN_ERR, EDAC_MC,
-                       "Error initializing sysfs code\n");
-               return -ENODEV;
+       /* Ensure boundary values */
+       if (csrow >= mci->nr_csrows) {
+               /* something is wrong */
+               edac_mc_printk(mci, KERN_ERR,
+                       "INTERNAL ERROR: row out of range (%d >= %d)\n",
+                       csrow, mci->nr_csrows);
+               edac_mc_handle_ce_no_info(mci, "INTERNAL ERROR");
+               return;
        }
-
-       /* Create the PCI parity sysfs entries */
-       if (edac_sysfs_pci_setup()) {
-               edac_sysfs_memctrl_teardown();
-               edac_printk(KERN_ERR, EDAC_MC,
-                       "EDAC PCI: Error initializing sysfs code\n");
-               return -ENODEV;
+       if (channel >= mci->csrows[csrow].nr_channels) {
+               /* something is wrong */
+               edac_mc_printk(mci, KERN_ERR,
+                       "INTERNAL ERROR: channel out of range (%d >= %d)\n",
+                       channel, mci->csrows[csrow].nr_channels);
+               edac_mc_handle_ce_no_info(mci, "INTERNAL ERROR");
+               return;
        }
 
-       /* create our kernel thread */
-       edac_thread = kthread_run(edac_kernel_thread, NULL, "kedac");
-
-       if (IS_ERR(edac_thread)) {
-               /* remove the sysfs entries */
-               edac_sysfs_memctrl_teardown();
-               edac_sysfs_pci_teardown();
-               return PTR_ERR(edac_thread);
-       }
+       if (edac_get_log_ce())
+               /* FIXME - put in DIMM location */
+               edac_mc_printk(mci, KERN_WARNING,
+                       "CE row %d, channel %d, label \"%s\": %s\n",
+                       csrow, channel,
+                       mci->csrows[csrow].channels[channel].label,
+                       msg);
 
-       return 0;
+       mci->ce_count++;
+       mci->csrows[csrow].ce_count++;
+       mci->csrows[csrow].channels[channel].ce_count++;
 }
+EXPORT_SYMBOL(edac_mc_handle_fbd_ce);
+
 
 /*
- * edac_mc_exit()
- *      module exit/termination functioni
+ * Iterate over all MC instances and check for ECC, et al, errors
  */
-static void __exit edac_mc_exit(void)
+void edac_check_mc_devices(void)
 {
-       debugf0("%s()\n", __func__);
-       kthread_stop(edac_thread);
+       struct list_head *item;
+       struct mem_ctl_info *mci;
 
-        /* tear down the sysfs device */
-       edac_sysfs_memctrl_teardown();
-       edac_sysfs_pci_teardown();
-}
+       debugf3("%s()\n", __func__);
+       down(&mem_ctls_mutex);
 
-module_init(edac_mc_init);
-module_exit(edac_mc_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Linux Networx (http://lnxi.com) Thayne Harbaugh et al\n"
-       "Based on work by Dan Hollis et al");
-MODULE_DESCRIPTION("Core library routines for MC reporting");
-
-module_param(panic_on_ue, int, 0644);
-MODULE_PARM_DESC(panic_on_ue, "Panic on uncorrected error: 0=off 1=on");
-#ifdef CONFIG_PCI
-module_param(check_pci_parity, int, 0644);
-MODULE_PARM_DESC(check_pci_parity, "Check for PCI bus parity errors: 0=off 1=on");
-module_param(panic_on_pci_parity, int, 0644);
-MODULE_PARM_DESC(panic_on_pci_parity, "Panic on PCI Bus Parity error: 0=off 1=on");
-#endif
-module_param(log_ue, int, 0644);
-MODULE_PARM_DESC(log_ue, "Log uncorrectable error to console: 0=off 1=on");
-module_param(log_ce, int, 0644);
-MODULE_PARM_DESC(log_ce, "Log correctable error to console: 0=off 1=on");
-module_param(poll_msec, int, 0644);
-MODULE_PARM_DESC(poll_msec, "Polling period in milliseconds");
-#ifdef CONFIG_EDAC_DEBUG
-module_param(edac_debug_level, int, 0644);
-MODULE_PARM_DESC(edac_debug_level, "Debug level");
-#endif
+       list_for_each(item, &mc_devices) {
+               mci = list_entry(item, struct mem_ctl_info, link);
+
+               if (mci->edac_check != NULL)
+                       mci->edac_check(mci);
+       }
+
+       up(&mem_ctls_mutex);
+}