vio_register_device_node(9)

💅 vio_register_device_node(9) — Kernel API Manual energy 💅

okay so bestie, welcome to the vio_register_device_node(9) page from the Kernel API Manual. This is the group chat where we register a new vio device. ✨ No cap.

📛 NAME 📛

vio_register_device_node — Register a new vio device. Periodt. 👑

✨ SYNOPSIS ✨

struct vio_dev * vio_register_device_node (struct device_node *of_node
);

🌸 ARGUMENTS 🌸

• of_node — the OF node for this device. That's literally the whole argument, bestie. 🦋

💖 DESCRIPTION 💖

Okay so what does it do? It creates and initializes a vio_dev structure from the data in of_node, then adds it to the list of virtual devices. Iconic. ✨

Then it returns a pointer to the created vio_dev — or NULL if node has NULL device_type or compatible fields. Yep, that's the vibe check. 😭

bestie note: if node has NULL device_type or compatible fields, you get NULL back — no device, no drama. 💀

🔥 SEE ALSO 🔥

Kernel file: ./arch/powerpc/platforms/pseries/vio.c — go read it, iykyk. 👑

The whole squad:

• vio_cmo_alloc(9)
• vio_cmo_dealloc(9)
• vio_cmo_entitlement_update(9)
• vio_cmo_balance(9)
• vio_cmo_set_dev_desired(9)
• vio_cmo_bus_probe(9)
• vio_cmo_bus_remove(9)
• vio_cmo_bus_init(9)
• vio_h_cop_sync(9)
• vio_match_device(9)
• vio_unregister_driver(9)
• vio_bus_init(9)
• vio_get_attribute(9)
• vio_find_node(9)

that's the whole page, bestie 💖 stay slay, and remember: source/version is ./arch/powerpc/platforms/pseries, date is October 2026, and this was vio_register_device_node(9) from the Kernel API Manual. mwah 🫶