1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index da425d2f3708..7d5d317cb7a6 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -411,6 +411,11 @@ enum {
         MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK        = 1 << 4,
 };
 
+enum {
+        MLX4_DEVICE_STATE_UP                    = 1 << 0,
+        MLX4_DEVICE_STATE_INTERNAL_ERROR        = 1 << 1,
+};
+
 #define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \
                              MLX4_EQ_PORT_INFO_MSTR_SM_LID_CHANGE_MASK)
 
@@ -753,6 +758,8 @@ struct mlx4_dev_persistent {
         enum mlx4_port_type curr_port_poss_type[MLX4_MAX_PORTS + 1];
         struct work_struct      catas_work;
         struct workqueue_struct *catas_wq;
+        struct mutex    device_state_mutex; /* protect HW state */
+        u8              state;
 };
 
 struct mlx4_dev {