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Subject[v7 PATCH 5/6] ACPI / APEI: Add callback for non-standard HW errors to the GHES notifier
Date
Add callback function for the non-standard HW errors to the GHES notifier.

Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
---
drivers/acpi/apei/ghes.c | 56 ++++++++++++++++++++++++++--------------
1 file changed, 37 insertions(+), 19 deletions(-)

diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 3b89c7621a0d..0c27ea8ea943 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -578,6 +578,34 @@ static int ghes_handle_arm_hw_error(struct notifier_block *nb,
return NOTIFY_STOP;
}

+static int ghes_handle_non_standard_event(struct notifier_block *nb,
+ unsigned long event, void *data)
+{
+ struct acpi_hest_generic_data *gdata = data;
+ void *err = acpi_hest_get_payload(gdata);
+ int sec_sev;
+ guid_t *sec_type;
+ const guid_t *fru_id = &guid_null;
+ char *fru_text = "";
+
+ if (guid_equal((guid_t *)gdata->section_type, &CPER_SEC_PLATFORM_MEM) ||
+ guid_equal((guid_t *)gdata->section_type, &CPER_SEC_PCIE) ||
+ guid_equal((guid_t *)gdata->section_type, &CPER_SEC_PROC_ARM))
+ return NOTIFY_DONE;
+
+ sec_type = (guid_t *)gdata->section_type;
+ sec_sev = ghes_severity(gdata->error_severity);
+ if (gdata->validation_bits & CPER_SEC_VALID_FRU_ID)
+ fru_id = (guid_t *)gdata->fru_id;
+
+ if (gdata->validation_bits & CPER_SEC_VALID_FRU_TEXT)
+ fru_text = gdata->fru_text;
+
+ log_non_standard_event(sec_type, fru_id, fru_text, sec_sev,
+ err, gdata->error_data_length);
+ return NOTIFY_OK;
+}
+
static struct notifier_block ghes_notifier_mem_error = {
.notifier_call = ghes_handle_memory_failure,
};
@@ -590,6 +618,10 @@ static struct notifier_block ghes_notifier_arm_hw_error = {
.notifier_call = ghes_handle_arm_hw_error,
};

+static struct notifier_block ghes_notifier_non_standard_event = {
+ .notifier_call = ghes_handle_non_standard_event,
+};
+
struct ghes_error_handler_list {
const char *name;
struct notifier_block *nb;
@@ -608,6 +640,10 @@ static const struct ghes_error_handler_list ghes_error_handler_list[] = {
.name = "ghes_notifier_arm_hw_error",
.nb = &ghes_notifier_arm_hw_error,
},
+ {
+ .name = "ghes_notifier_non_standard_event",
+ .nb = &ghes_notifier_non_standard_event,
+ },
};

static BLOCKING_NOTIFIER_HEAD(ghes_event_notify_list);
@@ -656,24 +692,13 @@ static DECLARE_WORK(ghes_event_work, ghes_event_work_func);
static void ghes_do_proc(struct ghes *ghes,
const struct acpi_hest_generic_status *estatus)
{
- int sev, sec_sev;
+ int sev;
struct acpi_hest_generic_data *gdata;
- guid_t *sec_type;
- const guid_t *fru_id = &guid_null;
- char *fru_text = "";
struct ghes_event_entry event_entry;
u32 len;

sev = ghes_severity(estatus->error_severity);
apei_estatus_for_each_section(estatus, gdata) {
- sec_type = (guid_t *)gdata->section_type;
- sec_sev = ghes_severity(gdata->error_severity);
- if (gdata->validation_bits & CPER_SEC_VALID_FRU_ID)
- fru_id = (guid_t *)gdata->fru_id;
-
- if (gdata->validation_bits & CPER_SEC_VALID_FRU_TEXT)
- fru_text = gdata->fru_text;
-
len = acpi_hest_get_record_size(gdata);
event_entry.gdata = (void *)gen_pool_alloc(ghes_gdata_pool,
len);
@@ -692,13 +717,6 @@ static void ghes_do_proc(struct ghes *ghes,
pr_warn(GHES_PFX "ghes event queue full\n");
break;
}
- {
- void *err = acpi_hest_get_payload(gdata);
-
- log_non_standard_event(sec_type, fru_id, fru_text,
- sec_sev, err,
- gdata->error_data_length);
- }
}
}

--
2.17.1

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