diff options
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/iommufd.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/include/uapi/linux/iommufd.h b/include/uapi/linux/iommufd.h index 0425d452d41e..f73a392b3d3f 100644 --- a/include/uapi/linux/iommufd.h +++ b/include/uapi/linux/iommufd.h @@ -575,10 +575,21 @@ struct iommu_hw_info_vtd { }; /** + * enum iommu_hw_info_arm_smmuv3_flags - Flags for ARM SMMUv3 hw_info + * @IOMMU_HW_INFO_ARM_SMMUV3_ERRATA_REPEAT_TLBI_CFGI: + * If set, user space must issue TLBI/CFGI+SYNC commands twice due to + * hardware erratum T264-SMMU-3. See the description at + * arm_smmu_erratum_repeat_tlbi_cfgi_key. + */ +enum iommu_hw_info_arm_smmuv3_flags { + IOMMU_HW_INFO_ARM_SMMUV3_ERRATA_REPEAT_TLBI_CFGI = 1 << 0, +}; + +/** * struct iommu_hw_info_arm_smmuv3 - ARM SMMUv3 hardware information * (IOMMU_HW_INFO_TYPE_ARM_SMMUV3) * - * @flags: Must be set to 0 + * @flags: Combination of enum iommu_hw_info_arm_smmuv3_flags * @__reserved: Must be 0 * @idr: Implemented features for ARM SMMU Non-secure programming interface * @iidr: Information about the implementation and implementer of ARM SMMU, |