mlx5_ctrl_irq_request(9)

💖 mlx5_ctrl_irq_request(9) 💖

okay so bestie, welcome to the Kernel API Manual — yes that Kernel API Manual, the one with the ctrl IRQ lore 🎀

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✨ NAME ✨

mlx5_ctrl_irq_request — request a ctrl IRQ for an mlx5 device 🦋

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🌸 SYNOPSIS 🌸

struct mlx5_irq * mlx5_ctrl_irq_request (struct mlx5_core_dev *dev );

like literally that's the whole call, she's not complicated 💅

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🎀 ARGUMENTS 🎀

• dev — the mlx5 device that's requesting the IRQ. that's your girl right there, she's the one asking 🙈

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💜 DESCRIPTION 💜

so what does she actually do? this function returns a pointer to IRQ 👑 — and if things go sideways, you get ERR_PTR in case of error 😭 no cap, that's the whole deal. check your pointers, bestie, ERR_PTR is not a vibe you wanna dereference 💀

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
• mlx5_get_default_msix_vec_count(9)
• mlx5_set_msix_vec_count(9)
• mlx5_ctrl_irq_release(9)
• mlx5_irq_request(9)
• mlx5_irq_release_vector(9)
• mlx5_irq_request_vector(9)

the whole friend group fr fr, go say hi to all of them 🫶

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and that's the page!! sourced from ./drivers/net/ethernet/mellano... and dated October 2026, closing out with mlx5_ctrl_irq_request(9) — mwah, slay, bye 💖✨🧚