module_wmi_driver(9)

💅 module_wmi_driver(9) — like, the Kernel API Manual bestie 🎀

okay so real quick before anything: this is a section 9 page from the Kernel API Manual, and yes we are absolutely about to make a boring-sounding macro sound iconic ✨

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🌸 NAME 🌸

module_wmi_driver — the helper macro that handles registering and unregistering a WMI driver for you, no cap 🫶

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🦋 SYNOPSIS 🦋

module_wmi_driver (__wmi_driver );

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✨ ARGUMENTS ✨

• __wmi_driver — the wmi_driver struct. that's it. that's the whole argument, she's a one-arg girlie 💅

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👑 DESCRIPTION 👑

okay so picture this: you're writing a WMI driver and you literally do nothing special in module init/exit. like, nothing. and you're out here writing all that boilerplate anyway?? bestie no 😭

module_wmi_driver is the helper macro for exactly those drivers. it eliminates a lot of boilerplate, and honestly it ate. 🔥

⚠️ two things, and they're important, so pay attention: - each module may only use this macro once — once, periodt 💀 - calling it replaces module_init and module_exit

like it literally takes over for both of them. so don't go doubling up, iykyk 🙈

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🌈 SEE ALSO 🌈

kernel file ./include/linux/wmi.h, plus the whole friend group:

• struct wmi_device(9)
• to_wmi_device(9)
• struct wmi_buffer(9)
• struct wmi_string(9)
• struct wmi_driver(9)
• to_wmi_driver(9)
• wmi_driver_register(9)

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and that's the whole page, bestie 💖 this lil gem lives in ./include/linux and the version i'm reading is dated October 2026, filed under module_wmi_driver(9) — go forth and register those drivers, you absolute main character 🧚‍♀️✨