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ACPI, APEI, GHES: Add PCIe AER recovery support

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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>
This commit is contained in:
Huang Ying
2011-12-08 11:25:41 +08:00
committed by Len Brown
parent 04c25997c9
commit a654e5ee4f
1 changed files with 23 additions and 0 deletions
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23
drivers/acpi/apei/ghes.c
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@@ -45,6 +45,8 @@
#include <linux/irq_work.h> #include <linux/irq_work.h>
#include <linux/llist.h> #include <linux/llist.h>
#include <linux/genalloc.h> #include <linux/genalloc.h>
#include <linux/pci.h>
#include <linux/aer.h>
#include <acpi/apei.h> #include <acpi/apei.h>
#include <acpi/atomicio.h> #include <acpi/atomicio.h>
#include <acpi/hed.h> #include <acpi/hed.h>
@@ -476,6 +478,27 @@ static void ghes_do_proc(const struct acpi_hest_generic_status *estatus)
} }
#endif #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
} }
} }