STRUCT PT_IOMMU_INFO(9)

💅 struct pt_iommu_info(9) 💅

okay bestie, welcome to the Kernel API Manual entry for struct pt_iommu_info — it’s giving “tiny struct, very important IOMMU page-table lore” and we are literally obsessed ✨

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🌸 NAME 🌸

struct pt_iommu_info — details about the IOMMU page table 🫶

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✨ SYNOPSIS ✨

struct pt_iommu_info {
    u64 pgsize_bitmap;
};

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🎀 Members 🎀

• pgsize_bitmap — a bitmask where each set bit indicates a page size that can be natively stored in the page table. periodt 💅

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🦋 Description 🦋

This struct is returned from pt_iommu_ops->get_info — that’s the whole vibe, no cap 😌

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👑 SEE ALSO 👑

Kernel file ./include/linux/generic_pt/iommu.h — go read it, bestie 💖

Also: IOMMU Radix Page Table(9), struct pt_iommu(9), struct pt_iommu_driver_ops(9), and struct pt_iommu_cfg(9) ✨

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okay bye bestie 💖 — this one’s from the ./include/linux/generic_pt source, dated October 2026, and it’s literally titled struct pt_iommu_info(9) 🫶✨