[PATCH v3 5/8] staging: qlge: support force_coredump option for devlink health dump

From: Coiby Xu
Date: Fri Oct 16 2020 - 08:07:42 EST


With force_coredump module parameter set, devlink health dump will
reset the MPI RISC first which takes 5 secs to be finished.

Signed-off-by: Coiby Xu <coiby.xu@xxxxxxxxx>
---
drivers/staging/qlge/qlge_devlink.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/staging/qlge/qlge_devlink.c b/drivers/staging/qlge/qlge_devlink.c
index b75ec5bff26a..92db531ad5e0 100644
--- a/drivers/staging/qlge/qlge_devlink.c
+++ b/drivers/staging/qlge/qlge_devlink.c
@@ -56,10 +56,17 @@ static int qlge_reporter_coredump(struct devlink_health_reporter *reporter,

struct qlge_adapter *qdev = devlink_health_reporter_priv(reporter);
struct qlge_mpi_coredump *dump;
+ wait_queue_head_t wait;

if (!netif_running(qdev->ndev))
return 0;

+ if (test_bit(QL_FRC_COREDUMP, &qdev->flags)) {
+ qlge_queue_fw_error(qdev);
+ init_waitqueue_head(&wait);
+ wait_event_timeout(wait, 0, 5 * HZ);
+ }
+
dump = kvmalloc(sizeof(*dump), GFP_KERNEL);
if (!dump)
return -ENOMEM;
--
2.28.0