diff options
author | Linas Vepstas <linas@austin.ibm.com> | 2007-07-27 08:35:40 +1000 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2007-08-17 11:01:50 +1000 |
commit | 0b9369f4934eb9933a1fbe991c5e8a4f9725da37 (patch) | |
tree | 3a47ae99f1b4e4fc42a553a9ae27270113847005 /arch/powerpc/platforms/pseries/eeh.c | |
parent | 093eda3ce5dc3758c9a5e806ea6573bfffed3ff7 (diff) | |
download | op-kernel-dev-0b9369f4934eb9933a1fbe991c5e8a4f9725da37.zip op-kernel-dev-0b9369f4934eb9933a1fbe991c5e8a4f9725da37.tar.gz |
[POWERPC] EEH: Dump PCI bridge status on event
Gather bridge-specific data on EEH events.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
----
arch/powerpc/platforms/pseries/eeh.c | 27 ++++++++++++++++++++++++++-
1 file changed, 26 insertions(+), 1 deletion(-)
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms/pseries/eeh.c')
-rw-r--r-- | arch/powerpc/platforms/pseries/eeh.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 34f8768..41b64b3 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -169,6 +169,8 @@ static void rtas_slot_error_detail(struct pci_dn *pdn, int severity, */ static size_t gather_pci_data(struct pci_dn *pdn, char * buf, size_t len) { + struct device_node *dn; + struct pci_dev *dev = pdn->pcidev; u32 cfg; int cap, i; int n = 0; @@ -184,6 +186,17 @@ static size_t gather_pci_data(struct pci_dn *pdn, char * buf, size_t len) n += scnprintf(buf+n, len-n, "cmd/stat:%x\n", cfg); printk(KERN_WARNING "EEH: PCI cmd/status register: %08x\n", cfg); + /* Gather bridge-specific registers */ + if (dev->class >> 16 == PCI_BASE_CLASS_BRIDGE) { + rtas_read_config(pdn, PCI_SEC_STATUS, 2, &cfg); + n += scnprintf(buf+n, len-n, "sec stat:%x\n", cfg); + printk(KERN_WARNING "EEH: Bridge secondary status: %04x\n", cfg); + + rtas_read_config(pdn, PCI_BRIDGE_CONTROL, 2, &cfg); + n += scnprintf(buf+n, len-n, "brdg ctl:%x\n", cfg); + printk(KERN_WARNING "EEH: Bridge control: %04x\n", cfg); + } + /* Dump out the PCI-X command and status regs */ cap = pci_find_capability(pdn->pcidev, PCI_CAP_ID_PCIX); if (cap) { @@ -209,7 +222,7 @@ static size_t gather_pci_data(struct pci_dn *pdn, char * buf, size_t len) printk(KERN_WARNING "EEH: PCI-E %02x: %08x\n", i, cfg); } - cap = pci_find_ext_capability(pdn->pcidev,PCI_EXT_CAP_ID_ERR); + cap = pci_find_ext_capability(pdn->pcidev, PCI_EXT_CAP_ID_ERR); if (cap) { n += scnprintf(buf+n, len-n, "pci-e AER:\n"); printk(KERN_WARNING @@ -222,6 +235,18 @@ static size_t gather_pci_data(struct pci_dn *pdn, char * buf, size_t len) } } } + + /* Gather status on devices under the bridge */ + if (dev->class >> 16 == PCI_BASE_CLASS_BRIDGE) { + dn = pdn->node->child; + while (dn) { + pdn = PCI_DN(dn); + if (pdn) + n += gather_pci_data(pdn, buf+n, len-n); + dn = dn->sibling; + } + } + return n; } |