vdpa_register_device(9)

💖 vdpa_register_device(9) 💖

okay so bestie, welcome to the Kernel API Manual entry for this icon ✨. this one is literally about registering a vDPA device, and the prerequisite is non-negotiable: callers must have a successful vdpa_alloc_device() call first. no skipping steps, iykyk 💅.

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✨ NAME ✨

vdpa_register_device — register a vDPA device. Real talk: callers must have a successful vdpa_alloc_device() call first 🫶.

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🌸 SYNOPSIS 🌸

int vdpa_register_device (struct vdpa_device *vdev , u32 nvqs );

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🎀 ARGUMENTS 🎀

• vdev — the vDPA device you're registering onto the vDPA bus, bestie 🦋
• nvqs — the number of virtqueues this device supports 🔥

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💅 RETURN 💅

it returns an error when it fails to add to the vDPA bus. that's the whole return story, fr fr.

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🌈 SEE ALSO 🌈

Kernel file ./drivers/vdpa/vdpa.c, plus these besties:

• __vdpa_alloc_device(9)
• _vdpa_register_device(9)
• _vdpa_unregister_device(9)
• vdpa_unregister_device(9)
• __vdpa_register_driver(9)
• vdpa_unregister_driver(9)
• vdpa_mgmtdev_register(9)
• vdpa_get_config(9)
• vdpa_set_config(9)

mwah 💋 signed off from the source/version spot ./drivers/vdpa, dated October 2026, still serving vdpa_register_device(9) realness 👑✨.