CONFIG_ARM_SMMU_QCOM_DEBUG: ARM SMMU QCOM implementation defined debug support

General informations

The Linux kernel configuration item CONFIG_ARM_SMMU_QCOM_DEBUG:

• prompt: ARM SMMU QCOM implementation defined debug support
• type: bool
• depends on: CONFIG_ARM_SMMU_QCOM = CONFIG_y
• defined in drivers/iommu/Kconfig
• found in Linux kernels: 6.0–6.12, 6.13-rc+HEAD

Help text

Support for implementation specific debug features in ARM SMMU hardware found in QTI platforms. This include support for the Translation Buffer Units (TBU) that can be used to obtain additional information when debugging memory management issues like context faults.

Say Y here to enable debug for issues such as context faults or TLB sync timeouts which requires implementation defined register dumps.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb of "" "" "qcom,msm8998-smmu-v2" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
• lkddb of "" "" "qcom,qcm2290-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
• lkddb of "" "" "qcom,sc7180-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
• lkddb of "" "" "qcom,sc7280-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
• lkddb of "" "" "qcom,sc7280-tbu" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.10
• lkddb of "" "" "qcom,sc8180x-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
• lkddb of "" "" "qcom,sc8280xp-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
• lkddb of "" "" "qcom,sdm630-smmu-v2" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
• lkddb of "" "" "qcom,sdm845-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
• lkddb of "" "" "qcom,sdm845-tbu" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.10
• lkddb of "" "" "qcom,sm6125-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
• lkddb of "" "" "qcom,sm6350-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
• lkddb of "" "" "qcom,sm8150-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
• lkddb of "" "" "qcom,sm8250-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
• lkddb of "" "" "qcom,sm8350-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
• lkddb of "" "" "qcom,sm8450-smmu-500" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.0–6.1, 6.1+HEAD
• lkddb platform "qcom_tbu" : CONFIG_ARM_SMMU CONFIG_ARM_SMMU_QCOM_DEBUG : drivers/iommu/arm/arm-smmu/arm-smmu-qcom-debug.c # in 6.10

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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