STRUCT ACPI_DMA(9)

🌸 NAME 🌸

okay so bestie, this is struct acpi_dma(9) from the Kernel API Manual, and it's literally the representation of the registered DMAC. no cap, that's the whole name vibe. 💖🦋

✨ SYNOPSIS ✨

       struct acpi_dma {
           struct list_head        dma_controllers;
           struct device           *dev;
           struct dma_chan         *(*acpi_dma_xlate) (struct acpi_dma_spec *,
       struct acpi_dma *);
           void *data;
           unsigned short          base_request_line;
           unsigned short          end_request_line;
        };

💅 Members 💅

• dma_controllers — linked list node 🫶
• dev — struct device of this controller 💖
• acpi_dma_xlate — callback function to find a suitable channel ✨
• data — private data used by a callback function 🎀
• base_request_line — first supported request line (CSRT) 🌸
• end_request_line — last supported request line (CSRT) 🦋

👑 SEE ALSO 👑

• Kernel file ./include/linux/acpi_dma.h 💜
• struct acpi_dma_spec(9) ⭐

okay bestie, that's the tea ☕💅 this page is from ./include/linux, dated October 2026, and the footer is struct acpi_dma(9) — now go be the main character of your kernel adventure 🌈✨💖