iommu: Add generic_single_device_group()

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This implements the common pattern seen in drivers of a single iommu_group
for the entire iommu driver instance. Implement this in core code so the
drivers that want this can select it from their ops.

Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/2-v1-c869a95191f2+5e8-iommu_single_grp_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Jason Gunthorpe 2023-08-22 13:15:57 -03:00 • committed by Joerg Roedel

parent e946f8e3e6

commit e8f52d84cf

2 changed files with 30 additions and 1 deletions

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28

drivers/iommu/iommu.c

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3

include/linux/iommu.h

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