mlx5_set_msix_vec_count(9)

💅 mlx5_set_msix_vec_count(9)

okay bestie, welcome to the Kernel API Manual ✨ — yes, we're in kernel-land now, and this little function is literally the main character of dynamically allocated MSI-X on the VF. 🎀

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🦋 NAME

mlx5_set_msix_vec_count — set dynamically allocated MSI-X on the VF</p> 💖

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✨ SYNOPSIS

int mlx5_set_msix_vec_count (struct mlx5_core_dev *dev , int function_id
, int msix_vec_count );

like, that's the whole signature, no cap 🫶

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🌸 ARGUMENTS

• dev — the PF to work on (yes, the physical function, she's the one doing the work 💅)
• function_id — internal PCI VF function IDd 🔥
• msix_vec_count — number of MSI-X vectors to set, i.e. how many you want, go off 👑

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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_ctrl_irq_release(9)
• mlx5_ctrl_irq_request(9)
• mlx5_irq_request(9)
• mlx5_irq_release_vector(9)
• mlx5_irq_request_vector(9)

like a whole friend group of IRQ functions, iykyk 🧚💜

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ngl, that's literally the entire page — short and iconic, periodt. 💀✨

and that's the vibe check, bestie! 🍓 this one comes from ./drivers/net/ethernet/mellano... and it's dated October 2026 — so yeah, future energy fr fr 🌸🦋💖