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authorIngo Molnar <mingo@kernel.org>2013-01-24 14:49:10 +0100
committerIngo Molnar <mingo@kernel.org>2013-01-24 14:49:10 +0100
commit7c3c867f8d044c539ab577f2d134054099d0e0bf (patch)
treefd4a5f153ee69456780b737eb080daa2bb1b827f /drivers/acpi/apei
parent2a1337599b0b5629d3ff163f803659f658bb4a14 (diff)
parent2cced2d95961acd318e9395578a60ee424d9db80 (diff)
Merge tag 'please-pull-aer-trace' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras into perf/core
Use perf/event tracing to report PCI Express advanced errors, by Tony Luck. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/acpi/apei')
-rw-r--r--drivers/acpi/apei/cper.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c
index e6defd86b424..1e5d8a40101e 100644
--- a/drivers/acpi/apei/cper.c
+++ b/drivers/acpi/apei/cper.c
@@ -29,6 +29,7 @@
#include <linux/time.h>
#include <linux/cper.h>
#include <linux/acpi.h>
+#include <linux/pci.h>
#include <linux/aer.h>
/*
@@ -249,6 +250,10 @@ static const char *cper_pcie_port_type_strs[] = {
static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie,
const struct acpi_hest_generic_data *gdata)
{
+#ifdef CONFIG_ACPI_APEI_PCIEAER
+ struct pci_dev *dev;
+#endif
+
if (pcie->validation_bits & CPER_PCIE_VALID_PORT_TYPE)
printk("%s""port_type: %d, %s\n", pfx, pcie->port_type,
pcie->port_type < ARRAY_SIZE(cper_pcie_port_type_strs) ?
@@ -281,10 +286,18 @@ static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie,
"%s""bridge: secondary_status: 0x%04x, control: 0x%04x\n",
pfx, pcie->bridge.secondary_status, pcie->bridge.control);
#ifdef CONFIG_ACPI_APEI_PCIEAER
- if (pcie->validation_bits & CPER_PCIE_VALID_AER_INFO) {
- struct aer_capability_regs *aer_regs = (void *)pcie->aer_info;
- cper_print_aer(pfx, gdata->error_severity, aer_regs);
+ dev = pci_get_domain_bus_and_slot(pcie->device_id.segment,
+ pcie->device_id.bus, pcie->device_id.function);
+ if (!dev) {
+ pr_err("PCI AER Cannot get PCI device %04x:%02x:%02x.%d\n",
+ pcie->device_id.segment, pcie->device_id.bus,
+ pcie->device_id.slot, pcie->device_id.function);
+ return;
}
+ if (pcie->validation_bits & CPER_PCIE_VALID_AER_INFO)
+ cper_print_aer(pfx, dev, gdata->error_severity,
+ (struct aer_capability_regs *) pcie->aer_info);
+ pci_dev_put(dev);
#endif
}