ccio_ioc_init(9)

💅 ccio_ioc_init(9) — the Kernel API Manual glow-up 🎀

okay so bestie, welcome to ccio_ioc_init, straight out of the Kernel API Manual ✨ this one is short and sweet and it's literally the "make the I/O Controller exist properly" function, no cap 🫶

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🌸 NAME 🌸

ccio_ioc_init — Initialize the I/O Controller 💖

✨ SYNOPSIS ✨

void ccio_ioc_init (struct ioc *ioc );

it returns void, so like… nothing comes back, it just does the thing 💅

🦋 ARGUMENTS 🦋

• ioc — The I/O Controller. that's the one, the whole vibe, the main character of this function 👑

💫 DESCRIPTION 💫

so what does it actually do? it initializes the I/O Controller 💖 and like, that's not just one little thing, it's a whole bundle of tasks:

• setting up the I/O Page Directory 🎀
• setting up the resource map 🗺️
• initializing the U2/Uturn chip into virtual mode 🧚

that's it, that's the whole function, and honestly? iconic 🌈

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⭐ SEE ALSO ⭐

Kernel file ./drivers/parisc/ccio-dma.c — and the whole friend group 💜:

• ccio_alloc_range(9)
• ccio_free_range(9)
• ccio_io_pdir_entry(9)
• ccio_clear_io_tlb(9)
• ccio_mark_invalid(9)
• ccio_dma_supported(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_probe(9)
• ccio_init(9)

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and that's the page, bestie 🫶 bye slay 💅✨

source/version: ./drivers/parisc 🌸 dated: October 2026 🎀 mwah 💋