ap_uevent(9)

✨ ap_uevent(9) ✨

okay bestie, welcome to the Kernel API Manual — this one's a little cutie from the ap_uevent(9) page and honestly it's giving "small function, big responsibility" energy 💅

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🎀 NAME 🎀

ap_uevent — the uevent function for AP devices, no cap 🦋

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🌸 SYNOPSIS 🌸

int ap_uevent (const struct device *dev , struct kobj_uevent_env *env );

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✨ ARGUMENTS ✨

• dev — pointer to the device, like, the whole reason we're here 🫶
• env — pointer to kobj_uevent_env, the lil env-var party zone ⭐

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💖 DESCRIPTION 💖

so basically it sets up a single environment variable called DEV_TYPE, and that variable holds the hardware device type. that's it. that's the whole gig. one var, doing its thing, iconic behavior honestly 👑

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🌈 SEE ALSO 🌈

kernel file ./drivers/s390/crypto/ap_bus.c — go read it, iykyk 📖

• ap_airq_ptr(9)
• ap_interrupts_available(9)
• ap_qci_available(9)
• ap_apft_available(9)
• ap_init_qci_info(9)
• ap_request_timeout(9)
• ap_poll_timeout(9)
• ap_interrupt_handler(9)
• ap_tasklet_fn(9)
• ap_poll_thread(9)
• ap_bus_match(9)
• ap_owned_by_def_drv(9)
• ap_apqn_in_matrix_owned_by_def_drv(9)
• ap_select_domain(9)
• ap_get_configuration(9)
• ap_scan_bus(9)
• ap_module_init(9)

like, that's the whole friend group right there, go say hi to all of them 💜

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lowkey a whole reading list — but fr fr every one of those is worth a scroll 🧚

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and that's the page!! sources say ./drivers/s390/crypto, dated October 2026, and it's the ap_uevent(9) man page — mwah, slay, bye bestie 💅💖🎀