mlx5_esw_try_lock(9)

💖 NAME 💖

Okay bestie, welcome to the mlx5_esw_try_lock(9) page — Kernel API Manual energy, but make it cute ✨. This is mlx5_esw_try_lock — take a write lock on esw mode lock. Periodt. 💅

✨ SYNOPSIS ✨

int mlx5_esw_try_lock (struct mlx5_eswitch *esw );

🎀 ARGUMENTS 🎀

• esw — eswitch device. Literally the eswitch device, bestie. 🦋

🌸 DESCRIPTION 🌸

Should be called by esw mode change routine — that’s the whole assignment. no cap. 😌

🔥 RETURN 🔥

• 0 — esw mode if successfully locked and refcount is 0. slay, locked and clean ✨
• -EBUSY — refcount is not 0. nope, not today 💀
• -EINVAL — In the middle of switching mode or lock is already held. awkward 🙈

🌈 SEE ALSO 🌈

Kernel file ./drivers/net/ethernet/mellanox/mlx5/core/eswitch.c — go read the source, bestie 📖

• mlx5_esw_query_functions(9)
• mlx5_eswitch_enable_locked(9)
• mlx5_eswitch_enable(9)
• mlx5_esw_hold(9)
• mlx5_esw_release(9)
• mlx5_esw_get(9)
• mlx5_esw_put(9)
• mlx5_esw_unlock(9)
• mlx5_eswitch_get_total_vports(9)
• mlx5_eswitch_get_core_dev(9)

Footer source/version and date sign-off: ./drivers/net/ethernet/mellano... · October 2026 — bye bestie, mwah 💖🫶