virtsnd_validate(9)

💖 virtsnd_validate(9) — the Kernel API Manual, bestie edition 💖

okay so this is the page for virtsnd_validate(9), living its best life in the Kernel API Manual section 9. yes, that's the manual name, we're not skipping it, it's part of the vibe 🎀

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✨ NAME ✨

virtsnd_validate — literally just checks whether the device can be started. that's the whole job. lowercase iconic behaviour 💅

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🌸 SYNOPSIS 🌸

int virtsnd_validate (struct virtio_device *vdev );

no cap, that's the entire signature. short and sweet, main character energy fr fr ✨

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🦋 ARGUMENTS 🦋

• vdev — the VirtIO parent device. that's it, that's the one (1) argument. she's the parent device, show her some respect 👑

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💜 CONTEXT 💜

Any context. any. literally any. she does not care where you call her from, she's flexible like that 🧚 lowkey the most chill function in the file ngl.

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⭐ RETURN ⭐

• 0 on success — slay, we ate, the device is validated 💅
• -EINVAL on failure — not slay, something's off with what you handed her 😭

so like, check the return value. please. i'm begging 🫶

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🔥 SEE ALSO 🔥

the whole friend group lives in the kernel file ./sound/virtio/virtio_card.c — go say hi to:

• virtsnd_event_send(9)
• virtsnd_event_dispatch(9)
• virtsnd_event_notify_cb(9)
• virtsnd_find_vqs(9)
• virtsnd_enable_event_vq(9)
• virtsnd_disable_event_vq(9)
• virtsnd_build_devs(9)
• virtsnd_probe(9)
• virtsnd_remove(9)
• virtsnd_freeze(9)
• virtsnd_restore(9)

no seriously, they're all linked, it's giving squad goals 🌈

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ngl bestie, the whole page is short — validate the device, get a 0 or an -EINVAL, move on with your life. but you read all of it and that's what matters 💖

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and that's a wrap, mwah 💋 this one came out of ./sound/virtio in October 2026 — date and source both noted, we love a tidy sign-off 🎀✨ byeee 🦋