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Date: Wed, 11 Nov 2020 10:10:06 +0700 From: Suravee Suthikulpanit <suravee.suthikulpanit@....com> To: linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org Cc: joro@...tes.org, robin.murphy@....com Subject: Re: [PATCH v3 00/14] iommu/amd: Add Generic IO Page Table Framework Support Hi Joerg, Do you have any update on this series? Thanks, Suravee On 11/2/20 10:16 AM, Suravee Suthikulpanit wrote: > Joerg, > > You mentioned to remind you to pull this in to linux-next. > > Thanks, > Suravee > > On 10/4/20 8:45 AM, Suravee Suthikulpanit wrote: >> The framework allows callable implementation of IO page table. >> This allows AMD IOMMU driver to switch between different types >> of AMD IOMMU page tables (e.g. v1 vs. v2). >> >> This series refactors the current implementation of AMD IOMMU v1 page table >> to adopt the framework. There should be no functional change. >> Subsequent series will introduce support for the AMD IOMMU v2 page table. >> >> Thanks, >> Suravee >> >> Change from V2 (https://lore.kernel.org/lkml/835c0d46-ed96-9fbe-856a-777dcffac967@amd.com/T/#t) >> - Patch 2/14: Introduce helper function io_pgtable_cfg_to_data. >> - Patch 13/14: Put back the struct iommu_flush_ops since patch v2 would run into >> NULL pointer bug when calling free_io_pgtable_ops if not defined. >> >> Change from V1 (https://lkml.org/lkml/2020/9/23/251) >> - Do not specify struct io_pgtable_cfg.coherent_walk, since it is >> not currently used. (per Robin) >> - Remove unused struct iommu_flush_ops. (patch 2/13) >> - Move amd_iommu_setup_io_pgtable_ops to iommu.c instead of io_pgtable.c >> patch 13/13) >> >> Suravee Suthikulpanit (14): >> iommu/amd: Re-define amd_iommu_domain_encode_pgtable as inline >> iommu/amd: Prepare for generic IO page table framework >> iommu/amd: Move pt_root to to struct amd_io_pgtable >> iommu/amd: Convert to using amd_io_pgtable >> iommu/amd: Declare functions as extern >> iommu/amd: Move IO page table related functions >> iommu/amd: Restructure code for freeing page table >> iommu/amd: Remove amd_iommu_domain_get_pgtable >> iommu/amd: Rename variables to be consistent with struct >> io_pgtable_ops >> iommu/amd: Refactor fetch_pte to use struct amd_io_pgtable >> iommu/amd: Introduce iommu_v1_iova_to_phys >> iommu/amd: Introduce iommu_v1_map_page and iommu_v1_unmap_page >> iommu/amd: Introduce IOMMU flush callbacks >> iommu/amd: Adopt IO page table framework >> >> drivers/iommu/amd/Kconfig | 1 + >> drivers/iommu/amd/Makefile | 2 +- >> drivers/iommu/amd/amd_iommu.h | 22 + >> drivers/iommu/amd/amd_iommu_types.h | 43 +- >> drivers/iommu/amd/io_pgtable.c | 564 ++++++++++++++++++++++++ >> drivers/iommu/amd/iommu.c | 646 +++------------------------- >> drivers/iommu/io-pgtable.c | 3 + >> include/linux/io-pgtable.h | 2 + >> 8 files changed, 691 insertions(+), 592 deletions(-) >> create mode 100644 drivers/iommu/amd/io_pgtable.c >>
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