iommu/amd: Add ops->release_domain

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In release path, remove device from existing domain and attach it to
blocked domain. So that all DMAs from device is blocked.

Note that soon blocked_domain will support other ops like
set_dev_pasid() but release_domain supports only attach_dev ops.
Hence added separate 'release_domain' variable.

Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20241030063556.6104-12-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Vasant Hegde 2024-10-30 06:35:55 +00:00 • committed by Joerg Roedel

parent 0b136493d3

commit a0e086b16e

1 changed files with 9 additions and 0 deletions

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drivers/iommu/amd/iommu.c

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