35     be->fd = -1;  in iommufd_backend_init()
45         close(be->fd);  in iommufd_backend_finalize()
46         be->fd = -1;  in iommufd_backend_finalize()
54     int fd = -1;  in iommufd_backend_set_fd()  local
56     fd = monitor_fd_param(monitor_cur(), str, errp);  in iommufd_backend_set_fd()
57     if (fd == -1) {  in iommufd_backend_set_fd()
58         error_prepend(errp, "Could not parse remote object fd %s:", str);  in iommufd_backend_set_fd()
61     be->fd = fd;  in iommufd_backend_set_fd()
63     trace_iommu_backend_set_fd(be->fd);  in iommufd_backend_set_fd()
79         /* fd came from the command line. Fetch updated value from cpr state. */  in iommufd_backend_complete()
81             be->fd = cpr_find_fd(name, 0);  in iommufd_backend_complete()
83             cpr_save_fd(name, 0, be->fd);  in iommufd_backend_complete()
95     object_class_property_add_str(oc, "fd", NULL, iommufd_backend_set_fd);  in iommufd_backend_class_init()
106     return !ioctl(be->fd, IOMMU_IOAS_CHANGE_PROCESS, &args);  in iommufd_change_process_capable()
112     bool ret = !ioctl(be->fd, IOMMU_IOAS_CHANGE_PROCESS, &args);  in iommufd_change_process()
115         error_setg_errno(errp, errno, "IOMMU_IOAS_CHANGE_PROCESS fd %d failed",  in iommufd_change_process()
116                          be->fd);  in iommufd_change_process()
118     trace_iommufd_change_process(be->fd, ret);  in iommufd_change_process()
124     int fd;  in iommufd_backend_connect()  local
127         fd = cpr_open_fd("/dev/iommu", O_RDWR, iommufd_fd_name(be), 0, errp);  in iommufd_backend_connect()
128         if (fd < 0) {  in iommufd_backend_connect()
131         be->fd = fd;  in iommufd_backend_connect()
135             close(be->fd);  in iommufd_backend_connect()
136             be->fd = -1;  in iommufd_backend_connect()
142     trace_iommufd_backend_connect(be->fd, be->owned, be->users);  in iommufd_backend_connect()
156             close(be->fd);  in iommufd_backend_disconnect()
157             be->fd = -1;  in iommufd_backend_disconnect()
161     trace_iommufd_backend_disconnect(be->fd, be->users);  in iommufd_backend_disconnect()
167     int fd = be->fd;  in iommufd_backend_alloc_ioas()  local
173     if (ioctl(fd, IOMMU_IOAS_ALLOC, &alloc_data)) {  in iommufd_backend_alloc_ioas()
179     trace_iommufd_backend_alloc_ioas(fd, *ioas_id);  in iommufd_backend_alloc_ioas()
186     int ret, fd = be->fd;  in iommufd_backend_free_id()  local
192     ret = ioctl(fd, IOMMU_DESTROY, &des);  in iommufd_backend_free_id()
193     trace_iommufd_backend_free_id(fd, id, ret);  in iommufd_backend_free_id()
202     int ret, fd = be->fd;  in iommufd_backend_map_dma()  local
218     ret = ioctl(fd, IOMMU_IOAS_MAP, &map);  in iommufd_backend_map_dma()
219     trace_iommufd_backend_map_dma(fd, ioas_id, iova, size,  in iommufd_backend_map_dma()
236     int ret, fd = be->fd;  in iommufd_backend_map_file_dma()  local
242         .fd = mfd,  in iommufd_backend_map_file_dma()
256     ret = ioctl(fd, IOMMU_IOAS_MAP_FILE, &map);  in iommufd_backend_map_file_dma()
257     trace_iommufd_backend_map_file_dma(fd, ioas_id, iova, size, mfd, start,  in iommufd_backend_map_file_dma()
273     int ret, fd = be->fd;  in iommufd_backend_unmap_dma()  local
285     ret = ioctl(fd, IOMMU_IOAS_UNMAP, &unmap);  in iommufd_backend_unmap_dma()
295         trace_iommufd_backend_unmap_dma_non_exist(fd, ioas_id, iova, size, ret);  in iommufd_backend_unmap_dma()
298         trace_iommufd_backend_unmap_dma(fd, ioas_id, iova, size, ret);  in iommufd_backend_unmap_dma()
313     int ret, fd = be->fd;  in iommufd_backend_alloc_hwpt()  local
324     ret = ioctl(fd, IOMMU_HWPT_ALLOC, &alloc_hwpt);  in iommufd_backend_alloc_hwpt()
325     trace_iommufd_backend_alloc_hwpt(fd, dev_id, pt_id, flags, data_type,  in iommufd_backend_alloc_hwpt()
348     ret = ioctl(be->fd, IOMMU_HWPT_SET_DIRTY_TRACKING, &set_dirty);  in iommufd_backend_set_dirty_tracking()
349     trace_iommufd_backend_set_dirty(be->fd, hwpt_id, start, ret ? errno : 0);  in iommufd_backend_set_dirty_tracking()
376     ret = ioctl(be->fd, IOMMU_HWPT_GET_DIRTY_BITMAP, &get_dirty_bitmap);  in iommufd_backend_get_dirty_bitmap()
377     trace_iommufd_backend_get_dirty_bitmap(be->fd, hwpt_id, iova, size,  in iommufd_backend_get_dirty_bitmap()
400     if (ioctl(be->fd, IOMMU_GET_HW_INFO, &info)) {  in iommufd_backend_get_device_info()
418     int ret, fd = be->fd;  in iommufd_backend_invalidate_cache()  local
429     ret = ioctl(fd, IOMMU_HWPT_INVALIDATE, &cache);  in iommufd_backend_invalidate_cache()
430     trace_iommufd_backend_invalidate_cache(fd, id, data_type, entry_len,  in iommufd_backend_invalidate_cache()