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Diffstat (limited to 'arch/powerpc/platforms/pseries/eeh_event.c')
-rw-r--r--arch/powerpc/platforms/pseries/eeh_event.c59
1 files changed, 20 insertions, 39 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh_event.c b/arch/powerpc/platforms/pseries/eeh_event.c
index fb506317ebb..185bedd926d 100644
--- a/arch/powerpc/platforms/pseries/eeh_event.c
+++ b/arch/powerpc/platforms/pseries/eeh_event.c
@@ -23,6 +23,7 @@
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
+#include <linux/kthread.h>
#include <asm/eeh_event.h>
#include <asm/ppc-pci.h>
@@ -57,9 +58,7 @@ static int eeh_event_handler(void * dummy)
{
unsigned long flags;
struct eeh_event *event;
- struct eeh_dev *edev;
-
- set_task_comm(current, "eehd");
+ struct eeh_pe *pe;
spin_lock_irqsave(&eeh_eventlist_lock, flags);
event = NULL;
@@ -76,28 +75,23 @@ static int eeh_event_handler(void * dummy)
/* Serialize processing of EEH events */
mutex_lock(&eeh_event_mutex);
- edev = event->edev;
- eeh_mark_slot(eeh_dev_to_of_node(edev), EEH_MODE_RECOVERING);
-
- printk(KERN_INFO "EEH: Detected PCI bus error on device %s\n",
- eeh_pci_name(edev->pdev));
+ pe = event->pe;
+ eeh_pe_state_mark(pe, EEH_PE_RECOVERING);
+ pr_info("EEH: Detected PCI bus error on PHB#%d-PE#%x\n",
+ pe->phb->global_number, pe->addr);
set_current_state(TASK_INTERRUPTIBLE); /* Don't add to load average */
- edev = handle_eeh_events(event);
-
- if (edev) {
- eeh_clear_slot(eeh_dev_to_of_node(edev), EEH_MODE_RECOVERING);
- pci_dev_put(edev->pdev);
- }
+ eeh_handle_event(pe);
+ eeh_pe_state_clear(pe, EEH_PE_RECOVERING);
kfree(event);
mutex_unlock(&eeh_event_mutex);
/* If there are no new errors after an hour, clear the counter. */
- if (edev && edev->freeze_count>0) {
+ if (pe && pe->freeze_count > 0) {
msleep_interruptible(3600*1000);
- if (edev->freeze_count>0)
- edev->freeze_count--;
+ if (pe->freeze_count > 0)
+ pe->freeze_count--;
}
@@ -113,42 +107,29 @@ static int eeh_event_handler(void * dummy)
*/
static void eeh_thread_launcher(struct work_struct *dummy)
{
- if (kernel_thread(eeh_event_handler, NULL, CLONE_KERNEL) < 0)
+ if (IS_ERR(kthread_run(eeh_event_handler, NULL, "eehd")))
printk(KERN_ERR "Failed to start EEH daemon\n");
}
/**
* eeh_send_failure_event - Generate a PCI error event
- * @edev: EEH device
+ * @pe: EEH PE
*
* This routine can be called within an interrupt context;
* the actual event will be delivered in a normal context
* (from a workqueue).
*/
-int eeh_send_failure_event(struct eeh_dev *edev)
+int eeh_send_failure_event(struct eeh_pe *pe)
{
unsigned long flags;
struct eeh_event *event;
- struct device_node *dn = eeh_dev_to_of_node(edev);
- const char *location;
-
- if (!mem_init_done) {
- printk(KERN_ERR "EEH: event during early boot not handled\n");
- location = of_get_property(dn, "ibm,loc-code", NULL);
- printk(KERN_ERR "EEH: device node = %s\n", dn->full_name);
- printk(KERN_ERR "EEH: PCI location = %s\n", location);
- return 1;
- }
- event = kmalloc(sizeof(*event), GFP_ATOMIC);
- if (event == NULL) {
- printk(KERN_ERR "EEH: out of memory, event not handled\n");
- return 1;
- }
-
- if (edev->pdev)
- pci_dev_get(edev->pdev);
- event->edev = edev;
+ event = kzalloc(sizeof(*event), GFP_ATOMIC);
+ if (!event) {
+ pr_err("EEH: out of memory, event not handled\n");
+ return -ENOMEM;
+ }
+ event->pe = pe;
/* We may or may not be called in an interrupt context */
spin_lock_irqsave(&eeh_eventlist_lock, flags);