ccio_dma_supported(9)

🌸 NAME 🌸

okay so bestie, this is the page for ccio_dma_supported(9) from the Kernel API Manual, and the whole point is literally this: ccio_dma_supported — Verify the IOMMU supports the DMA address range. no cap, that's the job description and we're keeping it exactly. 💖

✨ SYNOPSIS ✨

Here's the signature, copied character-for-character, don't touch it:

int  ccio_dma_supported (struct device *dev , u64 mask );

It's giving "short and powerful." 😌

🎀 ARGUMENTS 🎀

• dev — The PCI device. that's the device you're asking about, bestie. 🫶
• mask — A bit mask describing the DMA address range of the device. so it's the mask that describes the DMA address range. iconic. 💅

🔥 SEE ALSO 🔥

Kernel file: ./drivers/parisc/ccio-dma.c — yes, that's the file. go look if you want the lore. 📂

• ccio_alloc_range(9)
• ccio_free_range(9)
• ccio_io_pdir_entry(9)
• ccio_clear_io_tlb(9)
• ccio_mark_invalid(9)
• ccio_map_single(9)
• ccio_unmap_phys(9)
• ccio_alloc(9)
• ccio_free(9)
• ccio_map_sg(9)
• ccio_unmap_sg(9)
• ccio_find_ioc(9)
• ccio_get_iommu(9)
• ccio_ioc_init(9)
• ccio_probe(9)
• ccio_init(9)

and that's the whole page, bestie. mwah. 💋

okay bye — this one comes from source/version ./drivers/parisc, dated October 2026, and it's ccio_dma_supported(9) from the Kernel API Manual. 💖✨