diff options
Diffstat (limited to 'drivers/acpi/apei')
| -rw-r--r-- | drivers/acpi/apei/ghes.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index f67eb763e950..cc65d1992635 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -414,14 +414,26 @@ static void ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata, int #endif } -static void ghes_handle_aer(struct acpi_hest_generic_data *gdata, int sev, int sec_sev) +/* + * PCIe AER errors need to be sent to the AER driver for reporting and + * recovery. The GHES severities map to the following AER severities and + * require the following handling: + * + * GHES_SEV_CORRECTABLE -> AER_CORRECTABLE + * These need to be reported by the AER driver but no recovery is + * necessary. + * GHES_SEV_RECOVERABLE -> AER_NONFATAL + * GHES_SEV_RECOVERABLE && CPER_SEC_RESET -> AER_FATAL + * These both need to be reported and recovered from by the AER driver. + * GHES_SEV_PANIC does not make it to this handling since the kernel must + * panic. + */ +static void ghes_handle_aer(struct acpi_hest_generic_data *gdata) { #ifdef CONFIG_ACPI_APEI_PCIEAER struct cper_sec_pcie *pcie_err = acpi_hest_get_payload(gdata); - if (sev == GHES_SEV_RECOVERABLE && - sec_sev == GHES_SEV_RECOVERABLE && - pcie_err->validation_bits & CPER_PCIE_VALID_DEVICE_ID && + if (pcie_err->validation_bits & CPER_PCIE_VALID_DEVICE_ID && pcie_err->validation_bits & CPER_PCIE_VALID_AER_INFO) { unsigned int devfn; int aer_severity; @@ -475,7 +487,7 @@ static void ghes_do_proc(struct ghes *ghes, ghes_handle_memory_failure(gdata, sev); } else if (guid_equal(sec_type, &CPER_SEC_PCIE)) { - ghes_handle_aer(gdata, sev, sec_sev); + ghes_handle_aer(gdata); } else if (guid_equal(sec_type, &CPER_SEC_PROC_ARM)) { struct cper_sec_proc_arm *err = acpi_hest_get_payload(gdata); |