ACPI, APEI, GHES: Add hardware memory error recovery support
memory_failure_queue() is called when recoverable memory 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>
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@ -32,6 +32,13 @@ config ACPI_APEI_PCIEAER
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PCIe AER errors may be reported via APEI firmware first mode.
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Turn on this option to enable the corresponding support.
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config ACPI_APEI_MEMORY_FAILURE
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bool "APEI memory error recovering support"
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depends on ACPI_APEI && MEMORY_FAILURE
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help
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Memory errors may be reported via APEI firmware first mode.
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Turn on this option to enable the memory recovering support.
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config ACPI_APEI_EINJ
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tristate "APEI Error INJection (EINJ)"
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depends on ACPI_APEI && DEBUG_FS
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@ -451,20 +451,30 @@ static void ghes_clear_estatus(struct ghes *ghes)
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static void ghes_do_proc(const struct acpi_hest_generic_status *estatus)
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{
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int sev, processed = 0;
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int sev, sec_sev;
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struct acpi_hest_generic_data *gdata;
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sev = ghes_severity(estatus->error_severity);
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apei_estatus_for_each_section(estatus, gdata) {
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#ifdef CONFIG_X86_MCE
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sec_sev = ghes_severity(gdata->error_severity);
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if (!uuid_le_cmp(*(uuid_le *)gdata->section_type,
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CPER_SEC_PLATFORM_MEM)) {
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apei_mce_report_mem_error(
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sev == GHES_SEV_CORRECTED,
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(struct cper_sec_mem_err *)(gdata+1));
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processed = 1;
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}
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struct cper_sec_mem_err *mem_err;
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mem_err = (struct cper_sec_mem_err *)(gdata+1);
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#ifdef CONFIG_X86_MCE
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apei_mce_report_mem_error(sev == GHES_SEV_CORRECTED,
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mem_err);
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#endif
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#ifdef CONFIG_ACPI_APEI_MEMORY_FAILURE
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if (sev == GHES_SEV_RECOVERABLE &&
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sec_sev == GHES_SEV_RECOVERABLE &&
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mem_err->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS) {
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unsigned long pfn;
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pfn = mem_err->physical_addr >> PAGE_SHIFT;
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memory_failure_queue(pfn, 0, 0);
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}
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#endif
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}
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}
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}
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