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| author | Lu Baolu <baolu.lu@linux.intel.com> | 2024-01-11 07:10:08 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2024-01-11 19:55:04 +0300 |
| commit | f35b88b66fbb5c90298ce3aa483b8a2cf1f39ad0 (patch) | |
| tree | 050d655871efb9e1866c1eb2f9eb1ededa8a6aae /drivers/iommu/iommufd | |
| parent | 861deac3b092f37b2c5e6871732f3e11486f7082 (diff) | |
| download | linux-f35b88b66fbb5c90298ce3aa483b8a2cf1f39ad0.tar.xz | |
iommu: Add cache_invalidate_user op
The updates of the PTEs in the nested page table will be propagated to the
hardware caches.
Add a new domain op cache_invalidate_user() for the userspace to flush the
hardware caches for a nested domain through iommufd. No wrapper for it, as
it's only supposed to be used by iommufd. Then, pass in invalidation
requests in form of a user data array containing a number of invalidation
data entries.
Link: https://lore.kernel.org/r/20240111041015.47920-2-yi.l.liu@intel.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/iommu/iommufd')
0 files changed, 0 insertions, 0 deletions