Messages in this thread | | | Subject | Re: [PATCH v3 00/14] iommu/amd: Add Generic IO Page Table Framework Support | From | Suravee Suthikulpanit <> | Date | Mon, 2 Nov 2020 10:16:20 +0700 |
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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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