diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/eeh_event.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/eeh_event.c | 55 |
1 files changed, 28 insertions, 27 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh_event.c b/arch/powerpc/platforms/pseries/eeh_event.c index d2383cfb6dfd..4a4752565856 100644 --- a/arch/powerpc/platforms/pseries/eeh_event.c +++ b/arch/powerpc/platforms/pseries/eeh_event.c @@ -1,6 +1,4 @@ /* - * eeh_event.c - * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or @@ -46,7 +44,7 @@ DECLARE_WORK(eeh_event_wq, eeh_thread_launcher); DEFINE_MUTEX(eeh_event_mutex); /** - * eeh_event_handler - dispatch EEH events. + * eeh_event_handler - Dispatch EEH events. * @dummy - unused * * The detection of a frozen slot can occur inside an interrupt, @@ -58,10 +56,10 @@ DEFINE_MUTEX(eeh_event_mutex); static int eeh_event_handler(void * dummy) { unsigned long flags; - struct eeh_event *event; - struct pci_dn *pdn; + struct eeh_event *event; + struct eeh_dev *edev; - daemonize ("eehd"); + daemonize("eehd"); set_current_state(TASK_INTERRUPTIBLE); spin_lock_irqsave(&eeh_eventlist_lock, flags); @@ -79,31 +77,37 @@ static int eeh_event_handler(void * dummy) /* Serialize processing of EEH events */ mutex_lock(&eeh_event_mutex); - eeh_mark_slot(event->dn, EEH_MODE_RECOVERING); + 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(event->dev)); + eeh_pci_name(edev->pdev)); + + edev = handle_eeh_events(event); - pdn = handle_eeh_events(event); + eeh_clear_slot(eeh_dev_to_of_node(edev), EEH_MODE_RECOVERING); + pci_dev_put(edev->pdev); - eeh_clear_slot(event->dn, EEH_MODE_RECOVERING); - pci_dev_put(event->dev); kfree(event); mutex_unlock(&eeh_event_mutex); /* If there are no new errors after an hour, clear the counter. */ - if (pdn && pdn->eeh_freeze_count>0) { - msleep_interruptible (3600*1000); - if (pdn->eeh_freeze_count>0) - pdn->eeh_freeze_count--; + if (edev && edev->freeze_count>0) { + msleep_interruptible(3600*1000); + if (edev->freeze_count>0) + edev->freeze_count--; + } return 0; } /** - * eeh_thread_launcher + * eeh_thread_launcher - Start kernel thread to handle EEH events * @dummy - unused + * + * This routine is called to start the kernel thread for processing + * EEH event. */ static void eeh_thread_launcher(struct work_struct *dummy) { @@ -112,18 +116,18 @@ static void eeh_thread_launcher(struct work_struct *dummy) } /** - * eeh_send_failure_event - generate a PCI error event - * @dev pci device + * eeh_send_failure_event - Generate a PCI error event + * @edev: EEH device * * 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 device_node *dn, - struct pci_dev *dev) +int eeh_send_failure_event(struct eeh_dev *edev) { unsigned long flags; struct eeh_event *event; + struct device_node *dn = eeh_dev_to_of_node(edev); const char *location; if (!mem_init_done) { @@ -135,15 +139,14 @@ int eeh_send_failure_event (struct device_node *dn, } event = kmalloc(sizeof(*event), GFP_ATOMIC); if (event == NULL) { - printk (KERN_ERR "EEH: out of memory, event not handled\n"); + printk(KERN_ERR "EEH: out of memory, event not handled\n"); return 1; } - if (dev) - pci_dev_get(dev); + if (edev->pdev) + pci_dev_get(edev->pdev); - event->dn = dn; - event->dev = dev; + event->edev = edev; /* We may or may not be called in an interrupt context */ spin_lock_irqsave(&eeh_eventlist_lock, flags); @@ -154,5 +157,3 @@ int eeh_send_failure_event (struct device_node *dn, return 0; } - -/********************** END OF FILE ******************************/ |