lkml.org 
[lkml]   [2020]   [Apr]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[v7 PATCH 3/6] ACPI / APEI: Add callback for AER to the GHES notifier
Date
Add callback function for handling the AER to the GHES notifier.

Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
---
drivers/acpi/apei/ghes.c | 21 ++++++++++++++++-----
1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 053c4a2ed96c..67ef1742fc93 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -527,11 +527,16 @@ static int ghes_handle_memory_failure(struct notifier_block *nb,
* GHES_SEV_PANIC does not make it to this handling since the kernel must
* panic.
*/
-static void ghes_handle_aer(struct acpi_hest_generic_data *gdata)
+static int ghes_handle_aer(struct notifier_block *nb, unsigned long event,
+ void *data)
{
#ifdef CONFIG_ACPI_APEI_PCIEAER
+ struct acpi_hest_generic_data *gdata = data;
struct cper_sec_pcie *pcie_err = acpi_hest_get_payload(gdata);

+ if (!guid_equal((guid_t *)gdata->section_type, &CPER_SEC_PCIE))
+ return NOTIFY_DONE;
+
if (pcie_err->validation_bits & CPER_PCIE_VALID_DEVICE_ID &&
pcie_err->validation_bits & CPER_PCIE_VALID_AER_INFO) {
unsigned int devfn;
@@ -556,12 +561,17 @@ static void ghes_handle_aer(struct acpi_hest_generic_data *gdata)
pcie_err->aer_info);
}
#endif
+ return NOTIFY_STOP;
}

static struct notifier_block ghes_notifier_mem_error = {
.notifier_call = ghes_handle_memory_failure,
};

+static struct notifier_block ghes_notifier_aer = {
+ .notifier_call = ghes_handle_aer,
+};
+
struct ghes_error_handler_list {
const char *name;
struct notifier_block *nb;
@@ -572,6 +582,10 @@ static const struct ghes_error_handler_list ghes_error_handler_list[] = {
.name = "ghes_notifier_mem_error",
.nb = &ghes_notifier_mem_error,
},
+ {
+ .name = "ghes_notifier_aer",
+ .nb = &ghes_notifier_aer,
+ },
};

static BLOCKING_NOTIFIER_HEAD(ghes_event_notify_list);
@@ -657,10 +671,7 @@ static void ghes_do_proc(struct ghes *ghes,
break;
}

- if (guid_equal(sec_type, &CPER_SEC_PCIE)) {
- ghes_handle_aer(gdata);
- }
- else if (guid_equal(sec_type, &CPER_SEC_PROC_ARM)) {
+ 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);
--
2.17.1

\
 
 \ /
  Last update: 2020-04-07 14:03    [W:0.061 / U:3.296 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site