mlx5_sriov_...ier_register(9)

🎀 mlx5_sriov_...ier_register(9) 🎀

okay so bestie, we're in the Kernel API Manual today and this page is literally about registering a VF notification block chain. yes it's a mouthful, no we're not scared of it 💅

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✨ NAME ✨

mlx5_sriov_blocking_notifier_register — registers a VF notification block chain 🦋

like... that's the whole name. it's giving long but iconic.

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🌸 SYNOPSIS 🌸

int mlx5_sriov_blocking_notifier_register (struct mlx5_core_dev *mdev ,
       int vf_id , struct notifier_block *nb );

three args, one int back. simple. clean. we love a signature that doesn't play games 💖

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🫶 ARGUMENTS 🫶

• mdev — the mlx5 core device, aka the main character here 👑
• vf_id — the VF id. yes literally just the VF id, that's the whole vibe 🎀
• nb — the notifier block that gets called whenever VF events happen. it's the one on call, lowkey always ready 📞

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🔥 DESCRIPTION 🔥

returns 0 on success, or an error code. that's it, that's the tea ☕ ngl sometimes the manpage is short and that's fine, we respect the brevity era.

so like — if you get 0, slay, you're registered. anything else? that's an error code bestie, go check it 🙈

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🌈 SEE ALSO 🌈

• kernel file ./drivers/net/ethernet/mellanox/mlx5/core/sriov.c — go read the source, it ate 💅
• mlx5_sriov_blocking_notifier_unregister(9) — the cleanup arc, because everything you register must eventually be unregistered, periodt 🦋

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⭐ reminder that this is the blocking notifier register — the name says blocking, so take it at its word, fr fr.

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and that's the page!! mwah 💜

sign-off time: this one came from ./drivers/net/ethernet/mellano... and it's dated October 2026, and the header/footer both rep mlx5_sriov_...ier_register(9) — okay bye bestie, drink some water 🍓✨