diff options
| author | Huang Ying <ying.huang@intel.com> | 2011-12-08 11:25:41 +0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2012-01-17 03:54:21 -0500 |
| commit | a654e5ee4f2213844d23361eda4955fe9efaf35f (patch) | |
| tree | 79e99e3314289cd3e2310e0c5c5aa8f579c12d2d /drivers/acpi/apei/ghes.c | |
| parent | 04c25997c97e57d95d1f5a7a6e5fff2411dbd48b (diff) | |
| download | lwn-a654e5ee4f2213844d23361eda4955fe9efaf35f.tar.gz lwn-a654e5ee4f2213844d23361eda4955fe9efaf35f.zip | |
ACPI, APEI, GHES: Add PCIe AER recovery support
aer_recover_queue() is called when recoverable PCIe AER errors are
notified by firmware to do the recovery work.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/apei/ghes.c')
| -rw-r--r-- | drivers/acpi/apei/ghes.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index b8e08cb67a18..511b971d1148 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -45,6 +45,8 @@ #include <linux/irq_work.h> #include <linux/llist.h> #include <linux/genalloc.h> +#include <linux/pci.h> +#include <linux/aer.h> #include <acpi/apei.h> #include <acpi/atomicio.h> #include <acpi/hed.h> @@ -476,6 +478,27 @@ static void ghes_do_proc(const struct acpi_hest_generic_status *estatus) } #endif } +#ifdef CONFIG_ACPI_APEI_PCIEAER + else if (!uuid_le_cmp(*(uuid_le *)gdata->section_type, + CPER_SEC_PCIE)) { + struct cper_sec_pcie *pcie_err; + pcie_err = (struct cper_sec_pcie *)(gdata+1); + if (sev == GHES_SEV_RECOVERABLE && + sec_sev == GHES_SEV_RECOVERABLE && + pcie_err->validation_bits & CPER_PCIE_VALID_DEVICE_ID && + pcie_err->validation_bits & CPER_PCIE_VALID_AER_INFO) { + unsigned int devfn; + int aer_severity; + devfn = PCI_DEVFN(pcie_err->device_id.device, + pcie_err->device_id.function); + aer_severity = cper_severity_to_aer(sev); + aer_recover_queue(pcie_err->device_id.segment, + pcie_err->device_id.bus, + devfn, aer_severity); + } + + } +#endif } } |