2 * Copyright (c) 2017, Mellanox Technologies, Ltd. All rights reserved.
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33 #ifndef __LIB_CLOCK_H__
34 #define __LIB_CLOCK_H__
36 #if IS_ENABLED(CONFIG_PTP_1588_CLOCK)
37 void mlx5_init_clock(struct mlx5_core_dev *mdev);
38 void mlx5_cleanup_clock(struct mlx5_core_dev *mdev);
39 void mlx5_pps_event(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
41 static inline int mlx5_clock_get_ptp_index(struct mlx5_core_dev *mdev)
43 return mdev->clock.ptp ? ptp_clock_index(mdev->clock.ptp) : -1;
46 static inline ktime_t mlx5_timecounter_cyc2time(struct mlx5_clock *clock,
51 read_lock(&clock->lock);
52 nsec = timecounter_cyc2time(&clock->tc, timestamp);
53 read_unlock(&clock->lock);
55 return ns_to_ktime(nsec);
59 static inline void mlx5_init_clock(struct mlx5_core_dev *mdev) {}
60 static inline void mlx5_cleanup_clock(struct mlx5_core_dev *mdev) {}
61 static inline void mlx5_pps_event(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe) {}
63 static inline int mlx5_clock_get_ptp_index(struct mlx5_core_dev *mdev)
68 static inline ktime_t mlx5_timecounter_cyc2time(struct mlx5_clock *clock,