diff options
Diffstat (limited to 'include/linux/mdev.h')
| -rw-r--r-- | include/linux/mdev.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/mdev.h b/include/linux/mdev.h index d7aee90e5da5..df2ea39f47ee 100644 --- a/include/linux/mdev.h +++ b/include/linux/mdev.h @@ -15,6 +15,20 @@ struct mdev_device; +/* + * Called by the parent device driver to set the device which represents + * this mdev in iommu protection scope. By default, the iommu device is + * NULL, that indicates using vendor defined isolation. + * + * @dev: the mediated device that iommu will isolate. + * @iommu_device: a pci device which represents the iommu for @dev. + * + * Return 0 for success, otherwise negative error value. + */ +int mdev_set_iommu_device(struct device *dev, struct device *iommu_device); + +struct device *mdev_get_iommu_device(struct device *dev); + /** * struct mdev_parent_ops - Structure to be registered for each parent device to * register the device to mdev module. |