Re: [PATCH v8 00/29] iommufd: Add vIOMMU infrastructure (Part-4 HW QUEUE)

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On Fri, Jul 04, 2025 at 06:13:16PM -0700, Nicolin Chen wrote:
> Nicolin Chen (29):
>   iommufd: Report unmapped bytes in the error path of
>     iopt_unmap_iova_range
>   iommufd: Correct virt_id kdoc at struct iommu_vdevice_alloc
>   iommufd/viommu: Explicitly define vdev->virt_id
>   iommu: Use enum iommu_hw_info_type for type in hw_info op
>   iommu: Add iommu_copy_struct_to_user helper
>   iommu: Pass in a driver-level user data structure to viommu_init op
>   iommufd/viommu: Allow driver-specific user data for a vIOMMU object
>   iommufd/selftest: Support user_data in mock_viommu_alloc
>   iommufd/selftest: Add coverage for viommu data
>   iommufd/access: Add internal APIs for HW queue to use
>   iommufd/access: Bypass access->ops->unmap for internal use
>   iommufd/viommu: Add driver-defined vDEVICE support
>   iommufd/viommu: Introduce IOMMUFD_OBJ_HW_QUEUE and its related struct
>   iommufd/viommu: Add IOMMUFD_CMD_HW_QUEUE_ALLOC ioctl
>   iommufd/driver: Add iommufd_hw_queue_depend/undepend() helpers
>   iommufd/selftest: Add coverage for IOMMUFD_CMD_HW_QUEUE_ALLOC
>   iommufd: Add mmap interface
>   iommufd/selftest: Add coverage for the new mmap interface
>   Documentation: userspace-api: iommufd: Update HW QUEUE
>   iommu: Allow an input type in hw_info op
>   iommufd: Allow an input data_type via iommu_hw_info
>   iommufd/selftest: Update hw_info coverage for an input data_type
>   iommu/arm-smmu-v3-iommufd: Add vsmmu_size/type and vsmmu_init impl ops
>   iommu/arm-smmu-v3-iommufd: Add hw_info to impl_ops
>   iommu/tegra241-cmdqv: Use request_threaded_irq
>   iommu/tegra241-cmdqv: Simplify deinit flow in
>     tegra241_cmdqv_remove_vintf()
>   iommu/tegra241-cmdqv: Do not statically map LVCMDQs
>   iommu/tegra241-cmdqv: Add user-space use support
>   iommu/tegra241-cmdqv: Add IOMMU_VEVENTQ_TYPE_TEGRA241_CMDQV support

I've dropped this in linux-next with the little fix I mentioned.

If there are further remarks before the merge window please send a v9

Thanks,
Jason




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