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mlx5: Add global control to disable firmware reset, for all mlx5 devices.

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Submitted by:   kib@
Approved by:    hselasky (mentor)
MFC after:      1 week
Sponsored by:   Mellanox Technologies
This commit is contained in:
Slava Shwartsman 2018-12-05 13:44:08 +00:00
parent 2119f825d1
commit 29e544513e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=341561
1 changed files with 10 additions and 2 deletions
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12
sys/dev/mlx5/mlx5_core/mlx5_health.c
View File

@ -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 *dev)
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;