svn commit: r341561 - head/sys/dev/mlx5/mlx5_core
Slava Shwartsman
slavash at FreeBSD.org
Wed Dec 5 13:44:11 UTC 2018
Author: slavash
Date: Wed Dec 5 13:44:08 2018
New Revision: 341561
URL: https://svnweb.freebsd.org/changeset/base/341561
Log:
mlx5: Add global control to disable firmware reset, for all mlx5 devices.
Submitted by: kib@
Approved by: hselasky (mentor)
MFC after: 1 week
Sponsored by: Mellanox Technologies
Modified:
head/sys/dev/mlx5/mlx5_core/mlx5_health.c
Modified: head/sys/dev/mlx5/mlx5_core/mlx5_health.c
==============================================================================
--- head/sys/dev/mlx5/mlx5_core/mlx5_health.c Wed Dec 5 13:43:37 2018 (r341560)
+++ head/sys/dev/mlx5/mlx5_core/mlx5_health.c Wed Dec 5 13:44:08 2018 (r341561)
@@ -59,6 +59,11 @@ enum {
MLX5_SENSOR_FW_SYND_RFR = 5,
};
+static int mlx5_fw_reset_enable = 1;
+SYSCTL_INT(_hw_mlx5, OID_AUTO, fw_reset_enable, CTLFLAG_RWTUN,
+ &mlx5_fw_reset_enable, 0,
+ "Enable firmware reset");
+
static int lock_sem_sw_reset(struct mlx5_core_dev *dev)
{
int ret;
@@ -180,10 +185,13 @@ static u32 check_fatal_sensors(struct mlx5_core_dev *d
static void reset_fw_if_needed(struct mlx5_core_dev *dev)
{
- bool supported = (ioread32be(&dev->iseg->initializing) >>
- MLX5_FW_RESET_SUPPORTED_OFFSET) & 1;
+ bool supported;
u32 cmdq_addr, fatal_error;
+ if (!mlx5_fw_reset_enable)
+ return;
+ supported = (ioread32be(&dev->iseg->initializing) >>
+ MLX5_FW_RESET_SUPPORTED_OFFSET) & 1;
if (!supported)
return;
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