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[PATCH] ppc64: RTAS error reporting restructuring

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05-eeh-slot-error-detail.patch

This patch encapsulates a section of code that reports the EEH event.
The new subroutine can be used in several places to report the error.

Signed-off-by: Linas Vepstas <linas@linas.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Linas Vepstas 2005-11-03 18:49:01 -06:00 committed by Paul Mackerras
parent 177bc9367e
commit df7242b115
1 changed files with 30 additions and 16 deletions
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46
arch/ppc64/kernel/eeh.c
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@ -397,6 +397,28 @@ void __init pci_addr_cache_build(void)
/* --------------------------------------------------------------- */
/* Above lies the PCI Address Cache. Below lies the EEH event infrastructure */
void eeh_slot_error_detail (struct pci_dn *pdn, int severity)
{
unsigned long flags;
int rc;
/* Log the error with the rtas logger */
spin_lock_irqsave(&slot_errbuf_lock, flags);
memset(slot_errbuf, 0, eeh_error_buf_size);
rc = rtas_call(ibm_slot_error_detail,
8, 1, NULL, pdn->eeh_config_addr,
BUID_HI(pdn->phb->buid),
BUID_LO(pdn->phb->buid), NULL, 0,
virt_to_phys(slot_errbuf),
eeh_error_buf_size,
severity);
if (rc == 0)
log_error(slot_errbuf, ERR_TYPE_RTAS_LOG, 0);
spin_unlock_irqrestore(&slot_errbuf_lock, flags);
}
/**
* eeh_register_notifier - Register to find out about EEH events.
* @nb: notifier block to callback on events
@ -454,9 +476,12 @@ static void eeh_panic(struct pci_dev *dev, int reset_state)
* Since the panic_on_oops sysctl is used to halt the system
* in light of potential corruption, we can use it here.
*/
if (panic_on_oops)
if (panic_on_oops) {
struct device_node *dn = pci_device_to_OF_node(dev);
eeh_slot_error_detail (PCI_DN(dn), 2 /* Permanent Error */);
panic("EEH: MMIO failure (%d) on device:%s\n", reset_state,
pci_name(dev));
}
else {
__get_cpu_var(ignored_failures)++;
printk(KERN_INFO "EEH: Ignored MMIO failure (%d) on device:%s\n",
@ -539,7 +564,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev)
int ret;
int rets[3];
unsigned long flags;
int rc, reset_state;
int reset_state;
struct eeh_event *event;
struct pci_dn *pdn;
@ -603,20 +628,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev)
reset_state = rets[0];
spin_lock_irqsave(&slot_errbuf_lock, flags);
memset(slot_errbuf, 0, eeh_error_buf_size);
rc = rtas_call(ibm_slot_error_detail,
8, 1, NULL, pdn->eeh_config_addr,
BUID_HI(pdn->phb->buid),
BUID_LO(pdn->phb->buid), NULL, 0,
virt_to_phys(slot_errbuf),
eeh_error_buf_size,
1 /* Temporary Error */);
if (rc == 0)
log_error(slot_errbuf, ERR_TYPE_RTAS_LOG, 0);
spin_unlock_irqrestore(&slot_errbuf_lock, flags);
eeh_slot_error_detail (pdn, 1 /* Temporary Error */);
printk(KERN_INFO "EEH: MMIO failure (%d) on device: %s %s\n",
rets[0], dn->name, dn->full_name);
@ -783,6 +795,8 @@ void __init eeh_init(void)
struct device_node *phb, *np;
struct eeh_early_enable_info info;
spin_lock_init(&slot_errbuf_lock);
np = of_find_node_by_path("/rtas");
if (np == NULL)
return;