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authorMauro Carvalho Chehab <mchehab@redhat.com>2013-02-15 06:36:27 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-02-25 19:42:13 -0300
commitf04c62a7036a4b8490b224a9ad1be4378a3acf4d (patch)
tree7e2105ce31e32b1de8887a91c829cee76654e1d0 /drivers/edac
parent77c5f5d2f212e1963063e427fc57c44bf6eae9fb (diff)
downloadlinux-f04c62a7036a4b8490b224a9ad1be4378a3acf4d.tar.bz2
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>
Diffstat (limited to 'drivers/edac')
-rw-r--r--drivers/edac/ghes_edac.c56
1 files changed, 54 insertions, 2 deletions
diff --git a/drivers/edac/ghes_edac.c b/drivers/edac/ghes_edac.c
index d8e54b496e0f..0853f450d2c1 100644
--- a/drivers/edac/ghes_edac.c
+++ b/drivers/edac/ghes_edac.c
@@ -27,8 +27,60 @@ static DEFINE_MUTEX(ghes_edac_lock);
static int ghes_edac_mc_num;
void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
- struct cper_sec_mem_err *mem_err)
+ struct cper_sec_mem_err *mem_err)
{
+ enum hw_event_mc_err_type type;
+ struct edac_raw_error_desc *e;
+ struct mem_ctl_info *mci;
+ struct ghes_edac_pvt *pvt = NULL;
+
+ list_for_each_entry(pvt, &ghes_reglist, list) {
+ if (ghes == pvt->ghes)
+ break;
+ }
+ if (!pvt) {
+ pr_err("Internal error: Can't find EDAC structure\n");
+ return;
+ }
+ mci = pvt->mci;
+ e = &mci->error_desc;
+
+ /* Cleans the error report buffer */
+ memset(e, 0, sizeof (*e));
+ e->error_count = 1;
+ e->msg = "APEI";
+ strcpy(e->label, "unknown");
+ e->other_detail = "";
+
+ if (mem_err->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS) {
+ e->page_frame_number = mem_err->physical_addr >> PAGE_SHIFT;
+ e->offset_in_page = mem_err->physical_addr & ~PAGE_MASK;
+ e->grain = ~(mem_err->physical_addr_mask & ~PAGE_MASK);
+ }
+
+ switch (sev) {
+ case GHES_SEV_CORRECTED:
+ type = HW_EVENT_ERR_CORRECTED;
+ break;
+ case GHES_SEV_RECOVERABLE:
+ type = HW_EVENT_ERR_UNCORRECTED;
+ break;
+ case GHES_SEV_PANIC:
+ type = HW_EVENT_ERR_FATAL;
+ break;
+ default:
+ case GHES_SEV_NO:
+ type = HW_EVENT_ERR_INFO;
+ }
+
+ sprintf(e->location,
+ "node:%d card:%d module:%d bank:%d device:%d row: %d column:%d bit_pos:%d",
+ mem_err->node, mem_err->card, mem_err->module,
+ mem_err->bank, mem_err->device, mem_err->row, mem_err->column,
+ mem_err->bit_pos);
+ edac_dbg(3, "error at location %s\n", e->location);
+
+ edac_raw_mc_handle_error(type, mci, e);
}
EXPORT_SYMBOL_GPL(ghes_edac_report_mem_error);
@@ -60,7 +112,7 @@ int ghes_edac_register(struct ghes *ghes, struct device *dev)
pvt = mci->pvt_info;
memset(pvt, 0, sizeof(*pvt));
- list_add_tail(&pvt->list, &ghes_reglist);
+ list_add_tail(&pvt->list, &ghes_reglist);
pvt->ghes = ghes;
pvt->mci = mci;
mci->pdev = dev;