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| author | Jason Gunthorpe <jgg@nvidia.com> | 2023-07-17 15:12:13 -0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-07-26 10:20:31 -0300 |
| commit | 7074d7bd67d495cb3f6fe7c7c96b357a3b9d4ec2 (patch) | |
| tree | f42cb80a3ff2813405e9af7d98011e6fda79ee90 /drivers/iommu/iommufd/main.c | |
| parent | fa1ffdb9e2937d04657c33a146aa0d2cd39abba0 (diff) | |
| download | linux-stable-7074d7bd67d495cb3f6fe7c7c96b357a3b9d4ec2.tar.gz linux-stable-7074d7bd67d495cb3f6fe7c7c96b357a3b9d4ec2.tar.bz2 linux-stable-7074d7bd67d495cb3f6fe7c7c96b357a3b9d4ec2.zip | |
iommufd: Add IOMMU_HWPT_ALLOC
This allows userspace to manually create HWPTs on IOAS's and then use
those HWPTs as inputs to iommufd_device_attach/replace().
Following series will extend this to allow creating iommu_domains with
driver specific parameters.
Link: https://lore.kernel.org/r/17-v8-6659224517ea+532-iommufd_alloc_jgg@nvidia.com
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/iommu/iommufd/main.c')
| -rw-r--r-- | drivers/iommu/iommufd/main.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iommu/iommufd/main.c b/drivers/iommu/iommufd/main.c index 56cdf3c796a7..94c498b8fdf6 100644 --- a/drivers/iommu/iommufd/main.c +++ b/drivers/iommu/iommufd/main.c @@ -265,6 +265,7 @@ static int iommufd_option(struct iommufd_ucmd *ucmd) union ucmd_buffer { struct iommu_destroy destroy; + struct iommu_hwpt_alloc hwpt; struct iommu_ioas_alloc alloc; struct iommu_ioas_allow_iovas allow_iovas; struct iommu_ioas_copy ioas_copy; @@ -296,6 +297,8 @@ struct iommufd_ioctl_op { } static const struct iommufd_ioctl_op iommufd_ioctl_ops[] = { IOCTL_OP(IOMMU_DESTROY, iommufd_destroy, struct iommu_destroy, id), + IOCTL_OP(IOMMU_HWPT_ALLOC, iommufd_hwpt_alloc, struct iommu_hwpt_alloc, + __reserved), IOCTL_OP(IOMMU_IOAS_ALLOC, iommufd_ioas_alloc_ioctl, struct iommu_ioas_alloc, out_ioas_id), IOCTL_OP(IOMMU_IOAS_ALLOW_IOVAS, iommufd_ioas_allow_iovas, |