The iopt_table_enforce_dev_resv_regions needs to access the sw_msi_start and sw_msi_size stored in the idev, set by user space. So, pass in idev pointer instead.
Signed-off-by: Nicolin Chen nicolinc@nvidia.com --- drivers/iommu/iommufd/iommufd_private.h | 2 +- drivers/iommu/iommufd/device.c | 5 ++--- drivers/iommu/iommufd/io_pagetable.c | 3 ++- 3 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/iommu/iommufd/iommufd_private.h b/drivers/iommu/iommufd/iommufd_private.h index c0df549c7d34..7a9cc6e61152 100644 --- a/drivers/iommu/iommufd/iommufd_private.h +++ b/drivers/iommu/iommufd/iommufd_private.h @@ -115,7 +115,7 @@ int iopt_table_add_domain(struct io_pagetable *iopt, void iopt_table_remove_domain(struct io_pagetable *iopt, struct iommu_domain *domain); int iopt_table_enforce_dev_resv_regions(struct io_pagetable *iopt, - struct device *dev, + struct iommufd_device *idev, phys_addr_t *sw_msi_start); int iopt_set_allow_iova(struct io_pagetable *iopt, struct rb_root_cached *allowed_iova); diff --git a/drivers/iommu/iommufd/device.c b/drivers/iommu/iommufd/device.c index 882cc51a3feb..5ecd96c04e89 100644 --- a/drivers/iommu/iommufd/device.c +++ b/drivers/iommu/iommufd/device.c @@ -452,8 +452,7 @@ iommufd_device_attach_reserved_iova(struct iommufd_device *idev,
lockdep_assert_held(&idev->igroup->lock);
- rc = iopt_table_enforce_dev_resv_regions(&hwpt_paging->ioas->iopt, - idev->dev, + rc = iopt_table_enforce_dev_resv_regions(&hwpt_paging->ioas->iopt, idev, &idev->sw_msi_start); if (rc) return rc; @@ -664,7 +663,7 @@ iommufd_device_do_replace_reserved_iova(struct iommufd_device *idev, if (!old_hwpt_paging || hwpt_paging->ioas != old_hwpt_paging->ioas) { list_for_each_entry(cur, &igroup->device_list, group_item) { rc = iopt_table_enforce_dev_resv_regions( - &hwpt_paging->ioas->iopt, cur->dev, NULL); + &hwpt_paging->ioas->iopt, cur, NULL); if (rc) goto err_unresv; } diff --git a/drivers/iommu/iommufd/io_pagetable.c b/drivers/iommu/iommufd/io_pagetable.c index 8a790e597e12..441da0314a54 100644 --- a/drivers/iommu/iommufd/io_pagetable.c +++ b/drivers/iommu/iommufd/io_pagetable.c @@ -1423,9 +1423,10 @@ void iopt_remove_access(struct io_pagetable *iopt,
/* Narrow the valid_iova_itree to include reserved ranges from a device. */ int iopt_table_enforce_dev_resv_regions(struct io_pagetable *iopt, - struct device *dev, + struct iommufd_device *idev, phys_addr_t *sw_msi_start) { + struct device *dev = idev->dev; struct iommu_resv_region *resv; LIST_HEAD(resv_regions); unsigned int num_hw_msi = 0;