svn commit: r331823 - head/sys/dev/mlx5/mlx5_core

[Hans Petter Selasky]

Author: hselasky
Date: Fri Mar 30 19:48:25 2018
New Revision: 331823
URL: https://svnweb.freebsd.org/changeset/base/331823

Log:
  Collect firmware dump when mlx5core is in device error state.
  
  Firmware dump collecting should be triggered in case firmware syndrome
  with request for reset bit is set.
  
  MFC after:	3 days
  Submitted by:	slavash@
  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	Fri Mar 30 19:45:48 2018	(r331822)
+++ head/sys/dev/mlx5/mlx5_core/mlx5_health.c	Fri Mar 30 19:48:25 2018	(r331823)
@@ -221,10 +221,13 @@ void mlx5_enter_error_state(struct mlx5_core_dev *dev,
 		goto err_state_done;
 
 	if (fatal_error == MLX5_SENSOR_FW_SYND_RFR) {
+		/* Get cr-dump and reset FW semaphore */
 		if (mlx5_core_is_pf(dev))
 			lock = lock_sem_sw_reset(dev, LOCK);
 
+		/* Execute cr-dump and SW reset */
 		if (lock != -EBUSY) {
+			mlx5_fwdump(dev);
 			reset_fw_if_needed(dev);
 			delay_ms = MLX5_FW_RESET_WAIT_MS;
 		}