diff options
| author | Linas Vepstas <linas@austin.ibm.com> | 2007-05-24 03:20:51 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-06-14 22:29:55 +1000 |
| commit | 858955bd572f0ca38b258e45c7dd743b9e44b04e (patch) | |
| tree | f24ee25bc6e65c394c294e01cfffe6ba87cf46b3 /arch/powerpc/platforms | |
| parent | e1d04c9769398ae7df8c7ca2681b25f540b719d5 (diff) | |
[POWERPC] Show EEH per-device false positives
Track and report the number of times we read an all-1s value (0xff,
0xffff or 0xffffffff) from each device which is valid data, not
indicating EEH isolation.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
----
arch/powerpc/platforms/pseries/eeh.c | 5 +++++
arch/powerpc/platforms/pseries/eeh_sysfs.c | 3 +++
include/asm-powerpc/pci-bridge.h | 1 +
3 files changed, 9 insertions(+)
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/pseries/eeh.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/eeh_sysfs.c | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index d284a58c5b5..ff33c150535 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -505,6 +505,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) printk(KERN_WARNING "EEH: read_slot_reset_state() failed; rc=%d dn=%s\n", ret, dn->full_name); false_positives++; + pdn->eeh_false_positives ++; rc = 0; goto dn_unlock; } @@ -513,6 +514,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) * they are empty when they don't have children. */ if ((rets[0] == 5) && (dn->child == NULL)) { false_positives++; + pdn->eeh_false_positives ++; rc = 0; goto dn_unlock; } @@ -522,6 +524,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) printk(KERN_WARNING "EEH: event on unsupported device, rc=%d dn=%s\n", ret, dn->full_name); false_positives++; + pdn->eeh_false_positives ++; rc = 0; goto dn_unlock; } @@ -529,6 +532,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) /* If not the kind of error we know about, punt. */ if (rets[0] != 1 && rets[0] != 2 && rets[0] != 4 && rets[0] != 5) { false_positives++; + pdn->eeh_false_positives ++; rc = 0; goto dn_unlock; } @@ -921,6 +925,7 @@ static void *early_enable_eeh(struct device_node *dn, void *data) pdn->eeh_mode = 0; pdn->eeh_check_count = 0; pdn->eeh_freeze_count = 0; + pdn->eeh_false_positives = 0; if (status && strcmp(status, "ok") != 0) return NULL; /* ignore devices with bad status */ diff --git a/arch/powerpc/platforms/pseries/eeh_sysfs.c b/arch/powerpc/platforms/pseries/eeh_sysfs.c index 0543cafec56..15e13b56890 100644 --- a/arch/powerpc/platforms/pseries/eeh_sysfs.c +++ b/arch/powerpc/platforms/pseries/eeh_sysfs.c @@ -58,6 +58,7 @@ EEH_SHOW_ATTR(eeh_config_addr, eeh_config_addr, "0x%x"); EEH_SHOW_ATTR(eeh_pe_config_addr, eeh_pe_config_addr, "0x%x"); EEH_SHOW_ATTR(eeh_check_count, eeh_check_count, "%d"); EEH_SHOW_ATTR(eeh_freeze_count, eeh_freeze_count, "%d"); +EEH_SHOW_ATTR(eeh_false_positives, eeh_false_positives, "%d"); void eeh_sysfs_add_device(struct pci_dev *pdev) { @@ -67,6 +68,7 @@ void eeh_sysfs_add_device(struct pci_dev *pdev) rc += device_create_file(&pdev->dev, &dev_attr_eeh_config_addr); rc += device_create_file(&pdev->dev, &dev_attr_eeh_pe_config_addr); rc += device_create_file(&pdev->dev, &dev_attr_eeh_check_count); + rc += device_create_file(&pdev->dev, &dev_attr_eeh_false_positives); rc += device_create_file(&pdev->dev, &dev_attr_eeh_freeze_count); if (rc) @@ -79,6 +81,7 @@ void eeh_sysfs_remove_device(struct pci_dev *pdev) device_remove_file(&pdev->dev, &dev_attr_eeh_config_addr); device_remove_file(&pdev->dev, &dev_attr_eeh_pe_config_addr); device_remove_file(&pdev->dev, &dev_attr_eeh_check_count); + device_remove_file(&pdev->dev, &dev_attr_eeh_false_positives); device_remove_file(&pdev->dev, &dev_attr_eeh_freeze_count); } |