virtsnd_pcm_notify_cb(9)

✨ virtsnd_pcm_notify_cb(9) — Kernel API Manual 💅

okay so welcome to the virtsnd_pcm_notify_cb(9) page in the Kernel API Manual, bestie. this one is a tiny but iconic little function, and its whole job is processing all completed I/O messages. periodt. 💖

🌸 NAME 🌸

virtsnd_pcm_notify_cb — Process all completed I/O messages. no cap, that's the whole assignment. 🫶

🦋 SYNOPSIS 🦋

void virtsnd_pcm_notify_cb (struct virtio_snd_queue *queue );

🎀 ARGUMENTS 🎀

• queue — the underlying tx/rx virtqueue. that's the one, bestie. 🎀

⚡ CONTEXT ⚡

Interrupt context, babes. it takes and releases the tx/rx queue spinlock — so yeah, that's the vibe. 🔥

👑 SEE ALSO 👑

Kernel file ./sound/virtio/virtio_pcm_msg.c, plus these absolute legends:

• struct virtio_pcm_msg(9)
• enum pcm_msg_sg_index(9)
• virtsnd_pcm_sg_num(9)
• virtsnd_pcm_sg_from(9)
• virtsnd_pcm_msg_alloc(9)
• virtsnd_pcm_msg_free(9)
• virtsnd_pcm_msg_send(9)
• virtsnd_pcm_msg_pending_num(9)
• virtsnd_pcm_msg_complete(9)
• virtsnd_pcm_tx_notify_cb(9)
• virtsnd_pcm_rx_notify_cb(9)
• virtsnd_pcm_ctl_msg_alloc(9)

cute little sign-off: this page comes from the source at ./sound/virtio, dated October 2026, and it's all about virtsnd_pcm_notify_cb(9) — mwah 💋✨