diff options
| author | Yi Liu <yi.l.liu@intel.com> | 2023-09-28 10:15:25 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-10-10 19:31:24 +0300 |
| commit | 89d63875d80ea127280c60dd4cd101af1d9b6557 (patch) | |
| tree | 93c11318c2b12c2c2252a2cd8b332d2e9f6ad1ae /drivers/iommu/iommufd/hw_pagetable.c | |
| parent | 7975b722087fa23ff3ad1ff4998b8572a7e17e84 (diff) | |
| download | linux-89d63875d80ea127280c60dd4cd101af1d9b6557.tar.xz | |
iommufd: Flow user flags for domain allocation to domain_alloc_user()
Extends iommufd_hw_pagetable_alloc() to accept user flags, the uAPI will
provide the flags.
Link: https://lore.kernel.org/r/20230928071528.26258-4-yi.l.liu@intel.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/iommu/iommufd/hw_pagetable.c')
| -rw-r--r-- | drivers/iommu/iommufd/hw_pagetable.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/iommu/iommufd/hw_pagetable.c b/drivers/iommu/iommufd/hw_pagetable.c index 48874f896521..5be7a31cbd9c 100644 --- a/drivers/iommu/iommufd/hw_pagetable.c +++ b/drivers/iommu/iommufd/hw_pagetable.c @@ -61,6 +61,7 @@ int iommufd_hw_pagetable_enforce_cc(struct iommufd_hw_pagetable *hwpt) * @ictx: iommufd context * @ioas: IOAS to associate the domain with * @idev: Device to get an iommu_domain for + * @flags: Flags from userspace * @immediate_attach: True if idev should be attached to the hwpt * * Allocate a new iommu_domain and return it as a hw_pagetable. The HWPT @@ -73,7 +74,8 @@ int iommufd_hw_pagetable_enforce_cc(struct iommufd_hw_pagetable *hwpt) */ struct iommufd_hw_pagetable * iommufd_hw_pagetable_alloc(struct iommufd_ctx *ictx, struct iommufd_ioas *ioas, - struct iommufd_device *idev, bool immediate_attach) + struct iommufd_device *idev, u32 flags, + bool immediate_attach) { const struct iommu_ops *ops = dev_iommu_ops(idev->dev); struct iommufd_hw_pagetable *hwpt; @@ -91,7 +93,7 @@ iommufd_hw_pagetable_alloc(struct iommufd_ctx *ictx, struct iommufd_ioas *ioas, hwpt->ioas = ioas; if (ops->domain_alloc_user) { - hwpt->domain = ops->domain_alloc_user(idev->dev, 0); + hwpt->domain = ops->domain_alloc_user(idev->dev, flags); if (IS_ERR(hwpt->domain)) { rc = PTR_ERR(hwpt->domain); hwpt->domain = NULL; @@ -166,7 +168,8 @@ int iommufd_hwpt_alloc(struct iommufd_ucmd *ucmd) } mutex_lock(&ioas->mutex); - hwpt = iommufd_hw_pagetable_alloc(ucmd->ictx, ioas, idev, false); + hwpt = iommufd_hw_pagetable_alloc(ucmd->ictx, ioas, + idev, cmd->flags, false); if (IS_ERR(hwpt)) { rc = PTR_ERR(hwpt); goto out_unlock; |