iommu/vt-d: Add pasid replace helpers

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pasid replacement allows converting a present pasid entry to be FS, SS,
PT or nested, hence add helpers for such operations.

Suggested-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Link: https://lore.kernel.org/r/20241107122234.7424-5-yi.l.liu@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Yi Liu 2024-11-08 10:13:55 +08:00 • committed by Joerg Roedel

parent 2cb5ff623d

commit 7543ee63e8

2 changed files with 205 additions and 0 deletions

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190

drivers/iommu/intel/pasid.c

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15

drivers/iommu/intel/pasid.h

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