virtsnd_ctl_msg_alloc(9)

💅 virtsnd_ctl_msg_alloc(9) — Kernel API Manual

okay so bestie, welcome to the page for virtsnd_ctl_msg_alloc, straight out of the Kernel API Manual ✨ this one's a little allocator baddie and she's got main character energy 🎀

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✨ NAME ✨

virtsnd_ctl_msg_alloc — Allocate and initialize a control message. 💖

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🌸 SYNOPSIS 🌸

struct virtio_snd_msg * virtsnd_ctl_msg_alloc (size_t request_size ,
       size_t response_size , gfp_t gfp );

literally the whole vibe right there 👑

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🦋 ARGUMENTS 🦋

• request_size — Size of request header. that's the request side's glow-up budget 💅
• response_size — Size of response header. and this one's for the response side 🫶
• gfp — Kernel flags for memory allocation. the lil instruction manual for how the memory gets grabbed 😌

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🎀 DESCRIPTION 🎀

The message will be automatically freed when the ref_count value is 0. so like, she cleans up after herself — no cap, that's self-care 🔥

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💜 CONTEXT 💜

Any context. May sleep if gfp flags permit. so she's flexible fr fr, but heads up — she may catch a nap if the gfp flags say it's fine 😴✨

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⭐ RETURN ⭐

Allocated message on success, NULL on failure. slay when it works, empty-handed when it doesn't 😭

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🌈 SEE ALSO 🌈

• Kernel file ./sound/virtio/virtio_ctl_msg.c
• struct virtio_snd_msg(9)
• virtsnd_ctl_msg_ref(9)
• virtsnd_ctl_msg_unref(9)
• virtsnd_ctl_msg_request(9)
• virtsnd_ctl_msg_response(9)
• virtsnd_ctl_msg_send(9)
• virtsnd_ctl_msg_complete(9)
• virtsnd_ctl_msg_cancel_all(9)
• virtsnd_ctl_query_info(9)
• virtsnd_ctl_notify_cb(9)

the whole friend group honestly 🧚💜 go read them too iykyk

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ngl if you're poking around in ./sound/virtio you're already kind of iconic 🦋

mwah, that's the page! 💖 this lil beauty lives in ./sound/virtio, stamped October 2026, and she answers to virtsnd_ctl_msg_alloc(9) — periodt ✨👑