#include "edac_core.h"
#include "edac_module.h"
-
#ifdef CONFIG_PCI
#define EDAC_PCI_SYMLINK "device"
-static int check_pci_errors = 0; /* default YES check PCI parity */
-static int edac_pci_panic_on_pe = 0; /* default no panic on PCI Parity */
+static int check_pci_errors; /* default YES check PCI parity */
+static int edac_pci_panic_on_pe; /* default no panic on PCI Parity */
static int edac_pci_log_pe = 1; /* log PCI parity errors */
static int edac_pci_log_npe = 1; /* log PCI non-parity error errors */
static atomic_t pci_parity_count = ATOMIC_INIT(0);
static atomic_t pci_nonparity_count = ATOMIC_INIT(0);
static int edac_pci_poll_msec = 1000;
-static struct kobject edac_pci_kobj; /* /sys/devices/system/edac/pci */
+static struct kobject edac_pci_kobj; /* /sys/devices/system/edac/pci */
static struct completion edac_pci_kobj_complete;
static atomic_t edac_pci_sysfs_refcount = ATOMIC_INIT(0);
/**************************** EDAC PCI sysfs instance *******************/
static ssize_t instance_pe_count_show(struct edac_pci_ctl_info *pci, char *data)
{
- return sprintf(data,"%u\n", atomic_read(&pci->counters.pe_count));
+ return sprintf(data, "%u\n", atomic_read(&pci->counters.pe_count));
}
static ssize_t instance_npe_count_show(struct edac_pci_ctl_info *pci,
- char *data)
+ char *data)
{
- return sprintf(data,"%u\n", atomic_read(&pci->counters.npe_count));
+ return sprintf(data, "%u\n", atomic_read(&pci->counters.npe_count));
}
#define to_instance(k) container_of(k, struct edac_pci_ctl_info, kobj)
/* instance specific attribute structure */
struct instance_attribute {
- struct attribute attr;
- ssize_t (*show)(struct edac_pci_ctl_info *, char *);
- ssize_t (*store)(struct edac_pci_ctl_info *, const char *, size_t);
+ struct attribute attr;
+ ssize_t(*show) (struct edac_pci_ctl_info *, char *);
+ ssize_t(*store) (struct edac_pci_ctl_info *, const char *, size_t);
};
/* Function to 'show' fields from the edac_pci 'instance' structure */
static ssize_t edac_pci_instance_show(struct kobject *kobj,
- struct attribute *attr,
- char *buffer)
+ struct attribute *attr, char *buffer)
{
- struct edac_pci_ctl_info *pci = to_instance(kobj);
- struct instance_attribute *instance_attr = to_instance_attr(attr);
+ struct edac_pci_ctl_info *pci = to_instance(kobj);
+ struct instance_attribute *instance_attr = to_instance_attr(attr);
- if (instance_attr->show)
- return instance_attr->show(pci, buffer);
- return -EIO;
+ if (instance_attr->show)
+ return instance_attr->show(pci, buffer);
+ return -EIO;
}
-
/* Function to 'store' fields into the edac_pci 'instance' structure */
static ssize_t edac_pci_instance_store(struct kobject *kobj,
- struct attribute *attr,
- const char *buffer, size_t count)
+ struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct edac_pci_ctl_info *pci = to_instance(kobj);
- struct instance_attribute *instance_attr = to_instance_attr(attr);
+ struct edac_pci_ctl_info *pci = to_instance(kobj);
+ struct instance_attribute *instance_attr = to_instance_attr(attr);
- if (instance_attr->store)
- return instance_attr->store(pci, buffer, count);
- return -EIO;
+ if (instance_attr->store)
+ return instance_attr->store(pci, buffer, count);
+ return -EIO;
}
static struct sysfs_ops pci_instance_ops = {
err = kobject_register(&pci->kobj);
if (err != 0) {
debugf2("%s() failed to register instance pci%d\n",
- __func__, idx);
+ __func__, idx);
return err;
}
static ssize_t edac_pci_int_show(void *ptr, char *buffer)
{
int *value = ptr;
- return sprintf(buffer,"%d\n",*value);
+ 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);
+ *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);
+ 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)
+ char *buffer)
{
struct edac_pci_dev_attribute *edac_pci_dev;
- edac_pci_dev= (struct edac_pci_dev_attribute*)attr;
+ edac_pci_dev = (struct edac_pci_dev_attribute *)attr;
if (edac_pci_dev->show)
return edac_pci_dev->show(edac_pci_dev->value, buffer);
}
static ssize_t edac_pci_dev_store(struct kobject *kobj,
- struct attribute *attr, const char *buffer, size_t count)
+ 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;
+ 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);
}
static struct sysfs_ops edac_pci_sysfs_ops = {
- .show = edac_pci_dev_show,
- .store = edac_pci_dev_store
+ .show = edac_pci_dev_show,
+ .store = edac_pci_dev_store
};
#define EDAC_PCI_ATTR(_name,_mode,_show,_store) \
};
/* PCI Parity control files */
-EDAC_PCI_ATTR(check_pci_errors, S_IRUGO|S_IWUSR, edac_pci_int_show,
+EDAC_PCI_ATTR(check_pci_errors, S_IRUGO | S_IWUSR, edac_pci_int_show,
edac_pci_int_store);
-EDAC_PCI_ATTR(edac_pci_log_pe, S_IRUGO|S_IWUSR, edac_pci_int_show,
+EDAC_PCI_ATTR(edac_pci_log_pe, S_IRUGO | S_IWUSR, edac_pci_int_show,
edac_pci_int_store);
-EDAC_PCI_ATTR(edac_pci_log_npe, S_IRUGO|S_IWUSR, edac_pci_int_show,
+EDAC_PCI_ATTR(edac_pci_log_npe, S_IRUGO | S_IWUSR, edac_pci_int_show,
edac_pci_int_store);
-EDAC_PCI_ATTR(edac_pci_panic_on_pe, S_IRUGO|S_IWUSR, edac_pci_int_show,
+EDAC_PCI_ATTR(edac_pci_panic_on_pe, 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);
EDAC_PCI_ATTR(pci_nonparity_count, S_IRUGO, edac_pci_int_show, NULL);
static struct kobj_type ktype_edac_pci = {
.release = edac_pci_release,
.sysfs_ops = &edac_pci_sysfs_ops,
- .default_attrs = (struct attribute **) edac_pci_attr,
+ .default_attrs = (struct attribute **)edac_pci_attr,
};
/**
edac_pci_kobj.parent = &edac_class->kset.kobj;
err = kobject_set_name(&edac_pci_kobj, "pci");
- if(err)
+ if (err)
return err;
/* Instanstiate the pci object */
edac_pci_unregister_main_kobj();
}
-
debugf0("%s() idx=%d\n", __func__, pci->pci_idx);
- err = sysfs_create_link(edac_kobj,
- &pci->dev->kobj,
- EDAC_PCI_SYMLINK);
+ err = sysfs_create_link(edac_kobj, &pci->dev->kobj, EDAC_PCI_SYMLINK);
if (err) {
debugf0("%s() sysfs_create_link() returned err= %d\n",
- __func__, err);
+ __func__, err);
return err;
}
return status;
}
-typedef void (*pci_parity_check_fn_t) (struct pci_dev *dev);
+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)
static void edac_pci_dev_parity_test(struct pci_dev *dev)
{
u16 status;
- u8 header_type;
+ 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 );
+ debugf2("PCI STATUS= 0x%04x %s\n", status, dev->dev.bus_id);
/* check the status reg for errors */
if (status) {
/* 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 );
+ 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 );
+ debugf2("PCI SEC_STATUS= 0x%04x %s\n", status, dev->dev.bus_id);
/* check the secondary status reg for errors */
if (status) {
* 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) {
+ while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
fn(dev);
}
}
*/
edac_pci_do_parity_check();
}
+
EXPORT_SYMBOL_GPL(edac_pci_handle_pe);
void edac_pci_handle_npe(struct edac_pci_ctl_info *pci, const char *msg)
*/
edac_pci_do_parity_check();
}
+
EXPORT_SYMBOL_GPL(edac_pci_handle_npe);
/*
*/
module_param(check_pci_errors, int, 0644);
MODULE_PARM_DESC(check_pci_errors,
- "Check for PCI bus parity errors: 0=off 1=on");
+ "Check for PCI bus parity errors: 0=off 1=on");
module_param(edac_pci_panic_on_pe, int, 0644);
MODULE_PARM_DESC(edac_pci_panic_on_pe,
- "Panic on PCI Bus Parity error: 0=off 1=on");
+ "Panic on PCI Bus Parity error: 0=off 1=on");
-#endif /* CONFIG_PCI */
+#endif /* CONFIG_PCI */
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