The new type of vIOMMU for tegra241-cmdqv needs to pass in a driver-level data structure from user space via iommufd, so add a user_data to the op.
Signed-off-by: Nicolin Chen nicolinc@nvidia.com --- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 3 ++- include/linux/iommu.h | 3 ++- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-iommufd.c | 3 ++- drivers/iommu/iommufd/selftest.c | 8 ++++---- drivers/iommu/iommufd/viommu.c | 2 +- 5 files changed, 11 insertions(+), 8 deletions(-)
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h index dd1ad56ce863..6b8f0d20dac3 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h @@ -1062,7 +1062,8 @@ void *arm_smmu_hw_info(struct device *dev, u32 *length, u32 *type); struct iommufd_viommu *arm_vsmmu_alloc(struct device *dev, struct iommu_domain *parent, struct iommufd_ctx *ictx, - unsigned int viommu_type); + unsigned int viommu_type, + const struct iommu_user_data *user_data); int arm_smmu_attach_prepare_vmaster(struct arm_smmu_attach_state *state, struct arm_smmu_nested_domain *nested_domain); void arm_smmu_attach_commit_vmaster(struct arm_smmu_attach_state *state); diff --git a/include/linux/iommu.h b/include/linux/iommu.h index ccce8a751e2a..ebde19aa3c28 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -662,7 +662,8 @@ struct iommu_ops {
struct iommufd_viommu *(*viommu_alloc)( struct device *dev, struct iommu_domain *parent_domain, - struct iommufd_ctx *ictx, unsigned int viommu_type); + struct iommufd_ctx *ictx, unsigned int viommu_type, + const struct iommu_user_data *user_data);
const struct iommu_domain_ops *default_domain_ops; unsigned long pgsize_bitmap; diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-iommufd.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-iommufd.c index e4fd8d522af8..66855cae775e 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-iommufd.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-iommufd.c @@ -385,7 +385,8 @@ static const struct iommufd_viommu_ops arm_vsmmu_ops = { struct iommufd_viommu *arm_vsmmu_alloc(struct device *dev, struct iommu_domain *parent, struct iommufd_ctx *ictx, - unsigned int viommu_type) + unsigned int viommu_type, + const struct iommu_user_data *user_data) { struct arm_smmu_device *smmu = iommu_get_iommu_dev(dev, struct arm_smmu_device, iommu); diff --git a/drivers/iommu/iommufd/selftest.c b/drivers/iommu/iommufd/selftest.c index 18d9a216eb30..8b8ba4fb91cd 100644 --- a/drivers/iommu/iommufd/selftest.c +++ b/drivers/iommu/iommufd/selftest.c @@ -733,10 +733,10 @@ static struct iommufd_viommu_ops mock_viommu_ops = { .cache_invalidate = mock_viommu_cache_invalidate, };
-static struct iommufd_viommu *mock_viommu_alloc(struct device *dev, - struct iommu_domain *domain, - struct iommufd_ctx *ictx, - unsigned int viommu_type) +static struct iommufd_viommu * +mock_viommu_alloc(struct device *dev, struct iommu_domain *domain, + struct iommufd_ctx *ictx, unsigned int viommu_type, + const struct iommu_user_data *user_data) { struct mock_iommu_device *mock_iommu = iommu_get_iommu_dev(dev, struct mock_iommu_device, iommu_dev); diff --git a/drivers/iommu/iommufd/viommu.c b/drivers/iommu/iommufd/viommu.c index 01df2b985f02..b861ca49d723 100644 --- a/drivers/iommu/iommufd/viommu.c +++ b/drivers/iommu/iommufd/viommu.c @@ -48,7 +48,7 @@ int iommufd_viommu_alloc_ioctl(struct iommufd_ucmd *ucmd) }
viommu = ops->viommu_alloc(idev->dev, hwpt_paging->common.domain, - ucmd->ictx, cmd->type); + ucmd->ictx, cmd->type, NULL); if (IS_ERR(viommu)) { rc = PTR_ERR(viommu); goto out_put_hwpt;