intel_pasid_setup_nested(9)

💖 intel_pasid_setup_nested(9) 💖

okay so this is the intel_pasid_setup_nested(9) page from the Kernel API Manual, and it's literally all about setting up a PASID entry for nested translation. bestie, let's get into it 💅

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✨ NAME ✨

intel_pasid_setup_nested — set up the PASID entry for nested translation. periodt.

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🌸 SYNOPSIS 🌸

       int intel_pasid_setup_nested (struct intel_iommu *iommu , struct device
       *dev , u32 pasid , struct dmar_domain *domain );

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🎀 ARGUMENTS 🎀

• iommu — the IOMMU that the device belongs to 🫶
• dev — the device that's getting set up for translation ✨
• pasid — the PASID to be programmed in the device PASID table 🔥
• domain — a user stage-1 domain nested on a stage-2 domain 🦋

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🌈 DESCRIPTION 🌈

this one is for nested translation, bestie. the input domain should be nested type, and it should be nested on a parent with the is_nested_parent flag set 👑

lowkey important: the domain you pass in has to be nested type and nested on a parent with is_nested_parent set. don't skip that vibe check 💀

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💜 SEE ALSO 💜

• Kernel file ./drivers/iommu/intel/pasid.c

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xoxo, your local kernel bestie 💅 — source/version is ./drivers/iommu/intel, dated October 2026 🎀✨