[PATCH v1 3/6] staging: qlge: support force_coredump option for devlink health dump

Coiby Xu
2020-10-08T11:58:35Z

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

Signed-off-by: Coiby Xu <coiby.xu@gmail.com>
---
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 91b6600b94a9..54257468bc7f 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_devlink *dev = devlink_health_reporter_priv(reporter);
struct ql_adapter *qdev = dev->qdev;
struct ql_mpi_coredump *dump;
+ wait_queue_head_t wait;

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

+ if (test_bit(QL_FRC_COREDUMP, &qdev->flags)) {
+ ql_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