[v7 PATCH 4/6] ACPI / APEI: Add callback for ARM HW errors to the GHES notifier

From: Shiju Jose
Date: Tue Apr 07 2020 - 08:02:47 EST


Add callback function for handling the ARM HW errors to the GHES notifier.

Signed-off-by: Shiju Jose <shiju.jose@xxxxxxxxxx>
---
drivers/acpi/apei/ghes.c | 29 +++++++++++++++++++++++------
1 file changed, 23 insertions(+), 6 deletions(-)

diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 67ef1742fc93..3b89c7621a0d 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -564,6 +564,20 @@ static int ghes_handle_aer(struct notifier_block *nb, unsigned long event,
return NOTIFY_STOP;
}

+static int ghes_handle_arm_hw_error(struct notifier_block *nb,
+ unsigned long event, void *data)
+{
+ struct acpi_hest_generic_data *gdata = data;
+ struct cper_sec_proc_arm *err = acpi_hest_get_payload(gdata);
+
+ if (!guid_equal((guid_t *)gdata->section_type, &CPER_SEC_PROC_ARM))
+ return NOTIFY_DONE;
+
+ log_arm_hw_error(err);
+
+ return NOTIFY_STOP;
+}
+
static struct notifier_block ghes_notifier_mem_error = {
.notifier_call = ghes_handle_memory_failure,
};
@@ -572,6 +586,10 @@ static struct notifier_block ghes_notifier_aer = {
.notifier_call = ghes_handle_aer,
};

+static struct notifier_block ghes_notifier_arm_hw_error = {
+ .notifier_call = ghes_handle_arm_hw_error,
+};
+
struct ghes_error_handler_list {
const char *name;
struct notifier_block *nb;
@@ -586,6 +604,10 @@ static const struct ghes_error_handler_list ghes_error_handler_list[] = {
.name = "ghes_notifier_aer",
.nb = &ghes_notifier_aer,
},
+ {
+ .name = "ghes_notifier_arm_hw_error",
+ .nb = &ghes_notifier_arm_hw_error,
+ },
};

static BLOCKING_NOTIFIER_HEAD(ghes_event_notify_list);
@@ -670,12 +692,7 @@ static void ghes_do_proc(struct ghes *ghes,
pr_warn(GHES_PFX "ghes event queue full\n");
break;
}
-
- if (guid_equal(sec_type, &CPER_SEC_PROC_ARM)) {
- struct cper_sec_proc_arm *err = acpi_hest_get_payload(gdata);
-
- log_arm_hw_error(err);
- } else {
+ {
void *err = acpi_hest_get_payload(gdata);

log_non_standard_event(sec_type, fru_id, fru_text,
--
2.17.1