diff options
| author |   Jason Gunthorpe <jgg@nvidia.com> | 2024-06-25 09:37:38 -0300 |
|---|---|---|
| committer |   Will Deacon <will@kernel.org> | 2024-07-02 15:39:47 +0100 |
| commit | 1d5f34f0002f9f56d0ca153022cfdead07d45dc6 (patch) | |
| tree | e518124446284fdb3674b3ff0c07865ba5331ef6 /security/integrity/git:/ssh:/git@git.zx2c4.com | |
| parent | iommu/arm-smmu-v3: Do not use master->sva_enable to restrict attaches (diff) | |
iommu/arm-smmu-v3: Thread SSID through the arm_smmu_attach_*() interface
Allow creating and managing arm_smmu_mater_domain's with a non-zero SSID
through the arm_smmu_attach_*() family of functions. This triggers ATC
invalidation for the correct SSID in PASID cases and tracks the
per-attachment SSID in the struct arm_smmu_master_domain.
Generalize arm_smmu_attach_remove() to be able to remove SSID's as well by
ensuring the ATC for the PASID is flushed properly.
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Tested-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/7-v9-5cd718286059+79186-smmuv3_newapi_p2b_jgg@nvidia.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'security/integrity/git:/ssh:/git@git.zx2c4.com')
0 files changed, 0 insertions, 0 deletions