net/mlx4_core: Enhance the catas flow to support device reset

[cascardo/linux.git] / include / linux / mlx4 / device.h

diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index da425d2..7d5d317 100644 (file)
--- 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 {