CONFIG_IOMMU_DEBUGFS: Export IOMMU internals in DebugFS

General informations

The Linux kernel configuration item CONFIG_IOMMU_DEBUGFS:

• prompt: Export IOMMU internals in DebugFS
• type: bool
• depends on: CONFIG_DEBUG_FS
• defined in drivers/iommu/Kconfig
• found in Linux kernels: 4.19–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

Allows exposure of IOMMU device internals. This option enables the use of debugfs by IOMMU drivers as required. Devices can, at initialization time, cause the IOMMU code to create a top-level debug/iommu directory, and then populate a subdirectory with entries as required.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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