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Subject[PATCH EDAC 08/13] ghes_edac: add support for reporting errors via EDAC
Date
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>
---
drivers/edac/ghes_edac.c | 36 +++++++++++++++++++++++++++++++++++-
include/linux/edac.h | 1 +
2 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/drivers/edac/ghes_edac.c b/drivers/edac/ghes_edac.c
index 1badac6..52625b5 100644
--- a/drivers/edac/ghes_edac.c
+++ b/drivers/edac/ghes_edac.c
@@ -9,8 +9,42 @@ 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;
+ unsigned long page = 0, offset = 0, grain = 0;
+ char location[80];
+ char *label = "unknown";
+
+ if (mem_err->validation_bits & CPER_MEM_VALID_PHYSICAL_ADDRESS) {
+ page = mem_err->physical_addr >> PAGE_SHIFT;
+ offset = mem_err->physical_addr & ~PAGE_MASK;
+ 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(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_raw_mc_handle_error(type, ghes->mci, grain, 1, 0, 0, 0,
+ page, offset, 0,
+ "APEI", location, label, "", 0);
}
EXPORT_SYMBOL_GPL(ghes_edac_report_mem_error);

diff --git a/include/linux/edac.h b/include/linux/edac.h
index 1b7744c..28232a0 100644
--- a/include/linux/edac.h
+++ b/include/linux/edac.h
@@ -100,6 +100,7 @@ enum hw_event_mc_err_type {
HW_EVENT_ERR_CORRECTED,
HW_EVENT_ERR_UNCORRECTED,
HW_EVENT_ERR_FATAL,
+ HW_EVENT_ERR_INFO,
};

/**
--
1.8.1.2


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