request_dma(9)

💅 request_dma(9) — Kernel API Manual energy 💅

okay bestie, welcome to request_dma(9) from the Kernel API Manual ✨ this is the one that asks for and reserves a system DMA channel — no cap, that’s literally the whole vibe 💖

🌸 NAME 🌸

request_dma — request and reserve a system DMA channel 🎀

⭐ SYNOPSIS ⭐

the synopsis is giving:

int request_dma (unsigned int dmanr , const char * device_id );

🫶 ARGUMENTS 🫶

• dmanr — DMA channel number 💅
• device_id — the reserving device ID string; it’s the one used in /proc/dma 👑

👀 SEE ALSO 👀

• Kernel file ./kernel/dma.c 🦋
• free_dma(9) 💜

Signed off by ./kernel, October 2026 — mwah 💋✨