tb_register_service_driver(9)

💅 tb_register_service_driver(9) — the Kernel API Manual, bestie edition 🎀

okay so this is a page from the Kernel API Manual, and today's main character is tb_register_service_driver. it's a whole function, it's giving bus-registration realness, and yes we're gonna read it together. i've got you 🫶

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✨ NAME ✨

tb_register_service_driver — Register XDomain service driver. that's the whole assignment, and she ate 💅

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🦋 SYNOPSIS 🦋

int tb_register_service_driver (struct tb_service_driver *drv );

literally that's it. one argument, one return value, iconic behaviour 💖

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🌸 ARGUMENTS 🌸

• drv — Driver to register. that's your driver, bestie, hand her over 🎀

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⭐ DESCRIPTION ⭐

so what this does is: it registers a new service driver from drv to the bus. that's the vibe check and she passed ✨ no extra steps, no secret lore, that's the whole description, don't come for me 😭

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🔥 RETURN 🔥

• 0 on success 🎉 (slay)
• a negative errno otherwise 💀 (not slay, go read your errno)

ngl, negative errno is your "something went wrong" signal — check it, always, fr fr 👑

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🌈 SEE ALSO 🌈

the friend group 💜 first up, this lives in the kernel file ./drivers/thunderbolt/xdomain.c — that's home base 🏠

then the whole crew:

• tb_xdomain_response(9)
• tb_xdomain_request(9)
• tb_register_protocol_handler(9)
• tb_unregister_protocol_handler(9)
• tb_unregister_service_driver(9)
• tb_service_properties_changed(9)
• tb_xdomain_alloc(9)
• tb_xdomain_add(9)
• tb_xdomain_remove(9)
• tb_xdomain_unregister(9)
• tb_xdomain_lane_bonding_enable(9)
• tb_xdomain_lane_bonding_disable(9)
• tb_xdomain_alloc_in_hopid(9)
• tb_xdomain_alloc_out_hopid(9)
• tb_xdomain_release_in_hopid(9)
• tb_xdomain_release_out_hopid(9)
• tb_xdomain_enable_paths(9)
• tb_xdomain_disable_paths(9)
• tb_xdomain_find_by_uuid(9)
• tb_xdomain_find_by_link_depth(9)
• tb_xdomain_find_by_route(9)
• tb_register_property_dir(9)
• tb_unregister_property_dir(9)

every single one is linked, no gatekeeping here 🧚✨

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that's the whole page, bestie 💖 this came from ./drivers/thunderbolt, dated October 2026, and she goes by tb_register_service_driver(9) — periodt. go register a driver, you're gonna do amazing 🎀🌸💅