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AMD GPU driver which was the only in-kernel user of iommu_v2 module
removed dependency on iommu_v2 module.
Also we are working on adding SVA support in AMD IOMMU driver. Device
drivers are expected to use common SVA framework to enable device
PASID/PRI features.
Removing iommu_v2 module and then adding SVA simplifies the development.
Hence remove iommu_v2 module.
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Tested-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20231006095706.5694-2-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Introduce IO page table framework support for AMD IOMMU v2 page table.
This patch implements 4 level page table within iommu amd driver and
supports 4K/2M/1G page sizes.
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/20220825063939.8360-7-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Add initial hook up code to implement generic IO page table framework.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20201215073705.123786-3-suravee.suthikulpanit@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Move AMD Kconfig and Makefile bits down into the amd directory
with the rest of the AMD specific files.
Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20200630200636.48600-3-jsnitsel@redhat.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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