#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/debugfs.h>
-#include <linux/edac_mce.h>
#include <linux/irq_work.h>
#include <asm/processor.h>
occurred so that a particular failing memory module can be
replaced. If unsure, select 'Y'.
-config EDAC_MCE
- bool
-
config EDAC_AMD64
tristate "AMD64 (Opteron, Athlon64) K8, F10h"
depends on EDAC_MM_EDAC && AMD_NB && X86_64 && EDAC_DECODE_MCE
obj-$(CONFIG_EDAC) := edac_stub.o
obj-$(CONFIG_EDAC_MM_EDAC) += edac_core.o
-obj-$(CONFIG_EDAC_MCE) += edac_mce.o
edac_core-y := edac_mc.o edac_device.o edac_mc_sysfs.o edac_pci_sysfs.o
edac_core-y += edac_module.o edac_device_sysfs.o
+++ /dev/null
-/* Provides edac interface to mcelog events
- *
- * This file may be distributed under the terms of the
- * GNU General Public License version 2.
- *
- * Copyright (c) 2009 by:
- * Mauro Carvalho Chehab <mchehab@redhat.com>
- *
- * Red Hat Inc. http://www.redhat.com
- */
-
-#include <linux/module.h>
-#include <linux/edac_mce.h>
-#include <asm/mce.h>
-
-int edac_mce_enabled;
-EXPORT_SYMBOL_GPL(edac_mce_enabled);
-
-
-/*
- * Extension interface
- */
-
-static LIST_HEAD(edac_mce_list);
-static DEFINE_MUTEX(edac_mce_lock);
-
-int edac_mce_register(struct edac_mce *edac_mce)
-{
- mutex_lock(&edac_mce_lock);
- list_add_tail(&edac_mce->list, &edac_mce_list);
- mutex_unlock(&edac_mce_lock);
- return 0;
-}
-EXPORT_SYMBOL(edac_mce_register);
-
-void edac_mce_unregister(struct edac_mce *edac_mce)
-{
- mutex_lock(&edac_mce_lock);
- list_del(&edac_mce->list);
- mutex_unlock(&edac_mce_lock);
-}
-EXPORT_SYMBOL(edac_mce_unregister);
-
-int edac_mce_parse(struct mce *mce)
-{
- struct edac_mce *edac_mce;
-
- list_for_each_entry(edac_mce, &edac_mce_list, list) {
- if (edac_mce->check_error(edac_mce->priv, mce))
- return 1;
- }
-
- /* Nobody queued the error */
- return 0;
-}
-EXPORT_SYMBOL_GPL(edac_mce_parse);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
-MODULE_AUTHOR("Red Hat Inc. (http://www.redhat.com)");
-MODULE_DESCRIPTION("EDAC Driver for mcelog captured errors");
#include <linux/delay.h>
#include <linux/edac.h>
#include <linux/mmzone.h>
-#include <linux/edac_mce.h>
#include <linux/smp.h>
+#include <asm/mce.h>
#include <asm/processor.h>
#include "edac_core.h"
bool is_registered, enable_scrub;
- /* mcelog glue */
- struct edac_mce edac_mce;
-
/* Fifo double buffers */
struct mce mce_entry[MCE_LOG_LEN];
struct mce mce_outentry[MCE_LOG_LEN];
* WARNING: As this routine should be called at NMI time, extra care should
* be taken to avoid deadlocks, and to be as fast as possible.
*/
-static int i7core_mce_check_error(void *priv, struct mce *mce)
+static int i7core_mce_check_error(struct notifier_block *nb, unsigned long val,
+ void *data)
{
- struct mem_ctl_info *mci = priv;
- struct i7core_pvt *pvt = mci->pvt_info;
+ struct mce *mce = (struct mce *)data;
+ struct i7core_dev *i7_dev;
+ struct mem_ctl_info *mci;
+ struct i7core_pvt *pvt;
+
+ i7_dev = get_i7core_dev(mce->socketid);
+ if (!i7_dev)
+ return NOTIFY_BAD;
+
+ mci = i7_dev->mci;
+ pvt = mci->pvt_info;
/*
* Just let mcelog handle it if the error is
* outside the memory controller
*/
if (((mce->status & 0xffff) >> 7) != 1)
- return 0;
+ return NOTIFY_DONE;
/* Bank 8 registers are the only ones that we know how to handle */
if (mce->bank != 8)
- return 0;
+ return NOTIFY_DONE;
#ifdef CONFIG_SMP
/* Only handle if it is the right mc controller */
if (mce->socketid != pvt->i7core_dev->socket)
- return 0;
+ return NOTIFY_DONE;
#endif
smp_rmb();
if ((pvt->mce_out + 1) % MCE_LOG_LEN == pvt->mce_in) {
smp_wmb();
pvt->mce_overrun++;
- return 0;
+ return NOTIFY_DONE;
}
/* Copy memory error at the ringbuffer */
i7core_check_error(mci);
/* Advise mcelog that the errors were handled */
- return 1;
+ return NOTIFY_STOP;
}
+static struct notifier_block i7_mce_dec = {
+ .notifier_call = i7core_mce_check_error,
+};
+
/*
* set_sdram_scrub_rate This routine sets byte/sec bandwidth scrub rate
* to hardware according to SCRUBINTERVAL formula
if (pvt->enable_scrub)
disable_sdram_scrub_setting(mci);
- /* Disable MCE NMI handler */
- edac_mce_unregister(&pvt->edac_mce);
+ atomic_notifier_chain_unregister(&x86_mce_decoder_chain, &i7_mce_dec);
/* Disable EDAC polling */
i7core_pci_ctl_release(pvt);
/* allocating generic PCI control info */
i7core_pci_ctl_create(pvt);
- /* Registers on edac_mce in order to receive memory errors */
- pvt->edac_mce.priv = mci;
- pvt->edac_mce.check_error = i7core_mce_check_error;
- rc = edac_mce_register(&pvt->edac_mce);
- if (unlikely(rc < 0)) {
- debugf0("MC: " __FILE__
- ": %s(): failed edac_mce_register()\n", __func__);
- goto fail1;
- }
+ atomic_notifier_chain_register(&x86_mce_decoder_chain, &i7_mce_dec);
return 0;
-fail1:
- i7core_pci_ctl_release(pvt);
- edac_mc_del_mc(mci->dev);
fail0:
kfree(mci->ctl_name);
edac_mc_free(mci);
+++ /dev/null
-/* Provides edac interface to mcelog events
- *
- * This file may be distributed under the terms of the
- * GNU General Public License version 2.
- *
- * Copyright (c) 2009 by:
- * Mauro Carvalho Chehab <mchehab@redhat.com>
- *
- * Red Hat Inc. http://www.redhat.com
- */
-
-#if defined(CONFIG_EDAC_MCE) || \
- (defined(CONFIG_EDAC_MCE_MODULE) && defined(MODULE))
-
-#include <asm/mce.h>
-#include <linux/list.h>
-
-struct edac_mce {
- struct list_head list;
-
- void *priv;
- int (*check_error)(void *priv, struct mce *mce);
-};
-
-int edac_mce_register(struct edac_mce *edac_mce);
-void edac_mce_unregister(struct edac_mce *edac_mce);
-int edac_mce_parse(struct mce *mce);
-
-#else
-#define edac_mce_parse(mce) (0)
-#endif
projects / deliverable / linux.git / commitdiff
