351 static unsigned int vfio_pci_get_group_from_dev(const char *bdf)  in vfio_pci_get_group_from_dev()  argument
358 	snprintf(sysfs_path, PATH_MAX, "%s/%s/iommu_group", PCI_SYSFS_PATH, bdf);  in vfio_pci_get_group_from_dev()
361 	VFIO_ASSERT_NE(ret, -1, "Failed to get the IOMMU group for device: %s\n", bdf);  in vfio_pci_get_group_from_dev()
364 	VFIO_ASSERT_EQ(ret, 1, "Failed to get the IOMMU group for device: %s\n", bdf);  in vfio_pci_get_group_from_dev()
369 static void vfio_pci_group_setup(struct vfio_pci_device *device, const char *bdf)  in vfio_pci_group_setup()  argument
377 	group = vfio_pci_get_group_from_dev(bdf);  in vfio_pci_group_setup()
389 static void vfio_pci_container_setup(struct vfio_pci_device *device, const char *bdf)  in vfio_pci_container_setup()  argument
402 	vfio_pci_group_setup(device, bdf);  in vfio_pci_container_setup()
409 	device->fd = ioctl(device->group_fd, VFIO_GROUP_GET_DEVICE_FD, bdf);  in vfio_pci_container_setup()
441 const char *vfio_pci_get_cdev_path(const char *bdf)  in vfio_pci_get_cdev_path()  argument
451 	snprintf(dir_path, sizeof(dir_path), "/sys/bus/pci/devices/%s/vfio-dev/", bdf);  in vfio_pci_get_cdev_path()
547 static void vfio_pci_iommufd_setup(struct vfio_pci_device *device, const char *bdf)  in vfio_pci_iommufd_setup()  argument
549 	const char *cdev_path = vfio_pci_get_cdev_path(bdf);  in vfio_pci_iommufd_setup()
568 struct vfio_pci_device *vfio_pci_device_init(const char *bdf, const char *iommu_mode)  in vfio_pci_device_init()  argument
580 		vfio_pci_container_setup(device, bdf);  in vfio_pci_device_init()
582 		vfio_pci_iommufd_setup(device, bdf);  in vfio_pci_device_init()
629 	char *bdf;  in vfio_selftests_get_bdf()  local
634 	bdf = getenv("VFIO_SELFTESTS_BDF");  in vfio_selftests_get_bdf()
635 	if (bdf) {  in vfio_selftests_get_bdf()
636 		VFIO_ASSERT_TRUE(is_bdf(bdf), "Invalid BDF: %s\n", bdf);  in vfio_selftests_get_bdf()
637 		return bdf;  in vfio_selftests_get_bdf()