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ghes_edac: add support for reporting errors via EDAC
Now that the EDAC core is capable of just forward the errors via the userspace API, add a report mechanism for the GHES errors. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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parent
77c5f5d2f2
commit
f04c62a703
1 changed files with 54 additions and 2 deletions
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@ -27,8 +27,60 @@ static DEFINE_MUTEX(ghes_edac_lock);
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static int ghes_edac_mc_num;
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static int ghes_edac_mc_num;
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void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
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void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
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struct cper_sec_mem_err *mem_err)
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struct cper_sec_mem_err *mem_err)
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{
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{
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enum hw_event_mc_err_type type;
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struct edac_raw_error_desc *e;
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struct mem_ctl_info *mci;
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struct ghes_edac_pvt *pvt = NULL;
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list_for_each_entry(pvt, &ghes_reglist, list) {
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if (ghes == pvt->ghes)
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break;
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}
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if (!pvt) {
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pr_err("Internal error: Can't find EDAC structure\n");
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return;
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}
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mci = pvt->mci;
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e = &mci->error_desc;
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/* Cleans the error report buffer */
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memset(e, 0, sizeof (*e));
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e->error_count = 1;
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e->msg = "APEI";
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strcpy(e->label, "unknown");
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e->other_detail = "";
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if (mem_err->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS) {
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e->page_frame_number = mem_err->physical_addr >> PAGE_SHIFT;
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e->offset_in_page = mem_err->physical_addr & ~PAGE_MASK;
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e->grain = ~(mem_err->physical_addr_mask & ~PAGE_MASK);
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}
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switch (sev) {
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case GHES_SEV_CORRECTED:
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type = HW_EVENT_ERR_CORRECTED;
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break;
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case GHES_SEV_RECOVERABLE:
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type = HW_EVENT_ERR_UNCORRECTED;
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break;
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case GHES_SEV_PANIC:
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type = HW_EVENT_ERR_FATAL;
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break;
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default:
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case GHES_SEV_NO:
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type = HW_EVENT_ERR_INFO;
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}
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sprintf(e->location,
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"node:%d card:%d module:%d bank:%d device:%d row: %d column:%d bit_pos:%d",
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mem_err->node, mem_err->card, mem_err->module,
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mem_err->bank, mem_err->device, mem_err->row, mem_err->column,
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mem_err->bit_pos);
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edac_dbg(3, "error at location %s\n", e->location);
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edac_raw_mc_handle_error(type, mci, e);
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}
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}
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EXPORT_SYMBOL_GPL(ghes_edac_report_mem_error);
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EXPORT_SYMBOL_GPL(ghes_edac_report_mem_error);
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@ -60,7 +112,7 @@ int ghes_edac_register(struct ghes *ghes, struct device *dev)
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pvt = mci->pvt_info;
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pvt = mci->pvt_info;
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memset(pvt, 0, sizeof(*pvt));
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memset(pvt, 0, sizeof(*pvt));
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list_add_tail(&pvt->list, &ghes_reglist);
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list_add_tail(&pvt->list, &ghes_reglist);
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pvt->ghes = ghes;
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pvt->ghes = ghes;
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pvt->mci = mci;
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pvt->mci = mci;
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mci->pdev = dev;
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mci->pdev = dev;
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