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powerpc/eeh: Build EEH event based on PE

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The original implementation builds EEH event based on EEH device.
We already had dedicated struct to depict PE. It's reasonable to
build EEH event based on PE.

Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Gavin Shan 2012-09-07 22:44:11 +00:00 committed by Benjamin Herrenschmidt
parent 82e8882f7f
commit c533b46cc7
2 changed files with 9 additions and 22 deletions
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4
arch/powerpc/include/asm/eeh_event.h
View file

@ -28,10 +28,10 @@
*/
struct eeh_event {
struct list_head list; /* to form event queue */
struct eeh_dev *edev; /* EEH device */
struct eeh_pe *pe; /* EEH PE */
};
int eeh_send_failure_event(struct eeh_dev *edev);
int eeh_send_failure_event(struct eeh_pe *pe);
struct eeh_dev *handle_eeh_events(struct eeh_event *);
#endif /* __KERNEL__ */

27
arch/powerpc/platforms/pseries/eeh_event.c
View file

@ -119,36 +119,23 @@ static void eeh_thread_launcher(struct work_struct *dummy)
/**
* 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 = kzalloc(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;
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);