-
-static int iommu_bus_notifier(struct notifier_block *nb,
- unsigned long action, void *data)
-{
- struct device *dev = data;
-
- switch (action) {
- case BUS_NOTIFY_ADD_DEVICE:
- return iommu_add_device(dev);
- case BUS_NOTIFY_DEL_DEVICE:
- iommu_del_device(dev);
- return 0;
- default:
- return 0;
- }
-}
-
-static struct notifier_block tce_iommu_bus_nb = {
- .notifier_call = iommu_bus_notifier,
-};
-
-static int __init tce_iommu_init(void)
-{
- struct pci_dev *pdev = NULL;
-
- BUILD_BUG_ON(PAGE_SIZE < IOMMU_PAGE_SIZE);
-
- for_each_pci_dev(pdev)
- iommu_add_device(&pdev->dev);
-
- bus_register_notifier(&pci_bus_type, &tce_iommu_bus_nb);
- return 0;
-}
-
-subsys_initcall_sync(tce_iommu_init);
-
-#else
-
-void iommu_register_group(struct iommu_table *tbl,
- int pci_domain_number, unsigned long pe_num)
-{
-}