ENUM IOMMU_HW_INFO_VTD_FLAGS(9)

💅 enum iommu_hw_info_vtd_flags(9) 💅

okay bestie, welcome to the Kernel API Manual ✨ — yes that's Kernel API Manual, the literal man page collection, and today we're doing the tiniest, most hyper-specific little enum you've ever seen. it's giving "one (1) flag and a dream" 🎀

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✨ NAME ✨

enum iommu_hw_info_vtd_flags — the flags for VT-d hw_info, periodt 💅

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🌸 SYNOPSIS 🌸

enum iommu_hw_info_vtd_flags {
    IOMMU_HW_INFO_VTD_ERRATA_772415_SPR17

};

no cap, that's the whole thing. one constant. she's minimal, she's iconic 👑

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🦋 Constants 🦋

• IOMMU_HW_INFO_VTD_ERRATA_772415_SPR17 — if this is set, you gotta disallow read-only mappings on a nested_parent domain. that's the whole vibe, okay? it's fixing an erratum so please respect her 🙈 the receipts live here: https://www.intel.com/content/www/us/en/content-details/772415/content-details.html

fr fr, that flag name is a mouthful but it's literally just "erratum 772415, SPR17, handle it" — slay that you read it out loud once and now you own it 💀

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💜 SEE ALSO 💜

okay this is the group chat of related pages and it is long, hydrate before you scroll 🍓 iykyk:

• General ioctl format(9)
• struct iommu_destroy(9)
• struct iommu_ioas_alloc(9)
• struct iommu_iova_range(9)
• struct iommu_ioas_iova_ranges(9)
• struct iommu_ioas_allow_iovas(9)
• enum iommufd_ioas_map_flags(9)
• struct iommu_ioas_map(9)
• struct iommu_ioas_noiommu_get_pa(9)
• struct iommu_ioas_map_file(9)
• struct iommu_ioas_copy(9)
• struct iommu_ioas_unmap(9)
• enum iommufd_option(9)
• enum iommufd_option_ops(9)
• struct iommu_option(9)
• enum iommufd_vfio_ioas_op(9)
• struct iommu_vfio_ioas(9)
• enum iommufd_hwpt_alloc_flags(9)
• enum iommu_hwpt_vtd_s1_flags(9)
• struct iommu_hwpt_vtd_s1(9)
• struct iommu_hwpt_arm_smmuv3(9)
• struct iommu_hwpt_amd_guest(9)
• enum iommu_hwpt_data_type(9)
• struct iommu_hwpt_alloc(9)
• struct iommu_hw_info_vtd(9)
• enum iommu_hw_info_arm_smmuv3_flags(9)
• struct iommu_hw_info_arm_smmuv3(9)
• struct iommu_hw_info_tegra241_cmdqv(9)
• struct iommu_hw_info_amd(9)
• enum iommu_hw_info_type(9)
• enum iommufd_hw_capabilities(9)
• enum iommufd_hw_info_flags(9)
• struct iommu_hw_info(9)
• struct iommu_hwpt_set_dirty_tracking(9)
• enum iommufd_hwpt_get_dirty_bitmap_flags(9)
• struct iommu_hwpt_get_dirty_bitmap(9)
• enum iommu_hwpt_invalidate_data_type(9)
• enum iommu_hwpt_vtd_s1_invalidate_flags(9)
• struct iommu_hwpt_vtd_s1_invalidate(9)
• struct iommu_viommu_arm_smmuv3_invalidate(9)
• struct iommu_hwpt_invalidate(9)
• enum iommu_hwpt_pgfault_flags(9)
• enum iommu_hwpt_pgfault_perm(9)
• struct iommu_hwpt_pgfault(9)
• enum iommufd_page_response_code(9)
• struct iommu_hwpt_page_response(9)
• struct iommu_fault_alloc(9)
• enum iommu_viommu_type(9)
• struct iommu_viommu_tegra241_cmdqv(9)
• struct iommu_viommu_alloc(9)
• struct iommu_vdevice_alloc(9)
• struct iommu_ioas_change_process(9)
• enum iommu_veventq_flag(9)
• struct iommufd_vevent_header(9)
• enum iommu_veventq_type(9)
• struct iommu_vevent_arm_smmuv3(9)
• struct iommu_vevent_tegra241_cmdqv(9)
• struct iommu_veventq_alloc(9)
• enum iommu_hw_queue_type(9)
• struct iommu_hw_queue_alloc(9)

also worth peeking at the kernel file itself: ./include/uapi/linux/iommufd.h 👀

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and that's the whole page, bestie 🫶 this one shipped out from ./include/uapi/linux in October 2026 — so yeah, mark your calendar, screenshot this, send it to the group chat, and go set that one flag responsibly 💖✨🌈

slay. periodt. bye 💅