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ghes_edac: add support for reporting errors via EDAC

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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>
This commit is contained in:
Mauro Carvalho Chehab
2013-02-15 06:36:27 -03:00
parent 77c5f5d2f2
commit f04c62a703
1 changed files with 54 additions and 2 deletions
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56
drivers/edac/ghes_edac.c
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@@ -27,8 +27,60 @@ static DEFINE_MUTEX(ghes_edac_lock);
static int ghes_edac_mc_num; static int ghes_edac_mc_num;
void ghes_edac_report_mem_error(struct ghes *ghes, int sev, 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); 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; pvt = mci->pvt_info;
memset(pvt, 0, sizeof(*pvt)); memset(pvt, 0, sizeof(*pvt));
list_add_tail(&pvt->list, &ghes_reglist); list_add_tail(&pvt->list, &ghes_reglist);
pvt->ghes = ghes; pvt->ghes = ghes;
pvt->mci = mci; pvt->mci = mci;
mci->pdev = dev; mci->pdev = dev;