mlx5_esw_hold(9)

✨ mlx5_esw_hold(9) ✨

okay bestie, so this is a page from the Kernel API Manual — yes, we're reading kernel docs for fun now, that's the vibe 💅 — and it's all about mlx5_esw_hold. Buckle up, it's short and iconic 🎀

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🌸 NAME 🌸

mlx5_esw_hold — the function that tries to take a read lock on the esw mode lock. that's it, that's the whole gig 🫶

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🦋 SYNOPSIS 🦋

bool mlx5_esw_hold (struct mlx5_core_dev *mdev );

literally one argument, one bool, no drama ✨

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💜 ARGUMENTS 💜

• mdev — the mlx5 core device. that's your main character right there 👑

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🔥 DESCRIPTION 🔥

so the way this works: it should be called by esw resources callers. like, that's the assignment. if you're a caller dealing with esw resources, this is your function, no cap. ✨

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🌈 RETURN 🌈

true on success, or false. that's it. binary queen behavior 💀

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🎀 SEE ALSO 🎀

• Kernel file ./drivers/net/ethernet/mellanox/mlx5/core/eswitch.c — the source itself, go read it iykyk 📖
• mlx5_esw_query_functions(9)
• mlx5_eswitch_enable_locked(9)
• mlx5_eswitch_enable(9)
• mlx5_esw_release(9)
• mlx5_esw_get(9)
• mlx5_esw_put(9)
• mlx5_esw_try_lock(9)
• mlx5_esw_unlock(9)
• mlx5_eswitch_get_total_vports(9)
• mlx5_eswitch_get_core_dev(9)

like, the whole friend group fr fr 🫶✨

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ngl the footer got a little chopped up in the source (./drivers/net/ethernet/mellano...), but it's repping the same file, and it's dated October 2026 🌸 so yeah, that's the whole page bestie — short, sweet, and absolutely slaying in the kernel tree 💖👑