Lines Matching +full:num +full:- +full:strings
1 // SPDX-License-Identifier: GPL-2.0
18 u16 num; in check_user_usb_string() local
21 ret = kstrtou16(name, 0, &num); in check_user_usb_string()
25 if (!usb_validate_langid(num)) in check_user_usb_string()
26 return -EINVAL; in check_user_usb_string()
28 stringtab_dev->language = num; in check_user_usb_string()
86 return container_of(cfg->c.cdev, struct gadget_info, cdev); in cfg_to_gadget_info()
91 struct usb_string strings[USB_GADGET_FIRST_AVAIL_IDX]; member
104 struct usb_string strings; member
121 return -EOVERFLOW; in usb_string_copy()
123 return -EINVAL; in usb_string_copy()
130 return -ENOMEM; in usb_string_copy()
133 if (str[ret - 1] == '\n') in usb_string_copy()
134 str[ret - 1] = '\0'; in usb_string_copy()
144 to_gadget_info(item)->cdev.desc.__name); \
152 le16_to_cpup(&to_gadget_info(item)->cdev.desc.__name)); \
165 to_gadget_info(item)->cdev.desc._name = val; \
178 to_gadget_info(item)->cdev.desc._name = cpu_to_le16p(&val); \
198 return -EINVAL; in is_valid_bcd()
200 return -EINVAL; in is_valid_bcd()
202 return -EINVAL; in is_valid_bcd()
204 return -EINVAL; in is_valid_bcd()
221 to_gadget_info(item)->cdev.desc.bcdDevice = cpu_to_le16(bcdDevice); in gadget_dev_desc_bcdDevice_store()
238 to_gadget_info(item)->cdev.desc.bcdUSB = cpu_to_le16(bcdUSB); in gadget_dev_desc_bcdUSB_store()
248 mutex_lock(&gi->lock); in gadget_dev_desc_UDC_show()
249 udc_name = gi->composite.gadget_driver.udc_name; in gadget_dev_desc_UDC_show()
251 mutex_unlock(&gi->lock); in gadget_dev_desc_UDC_show()
260 if (!gi->composite.gadget_driver.udc_name) in unregister_gadget()
261 return -ENODEV; in unregister_gadget()
263 ret = usb_gadget_unregister_driver(&gi->composite.gadget_driver); in unregister_gadget()
266 kfree(gi->composite.gadget_driver.udc_name); in unregister_gadget()
267 gi->composite.gadget_driver.udc_name = NULL; in unregister_gadget()
279 return -EOVERFLOW; in gadget_dev_desc_UDC_store()
283 return -ENOMEM; in gadget_dev_desc_UDC_store()
284 if (name[len - 1] == '\n') in gadget_dev_desc_UDC_store()
285 name[len - 1] = '\0'; in gadget_dev_desc_UDC_store()
287 mutex_lock(&gi->lock); in gadget_dev_desc_UDC_store()
295 if (gi->composite.gadget_driver.udc_name) { in gadget_dev_desc_UDC_store()
296 ret = -EBUSY; in gadget_dev_desc_UDC_store()
299 gi->composite.gadget_driver.udc_name = name; in gadget_dev_desc_UDC_store()
300 ret = usb_gadget_register_driver(&gi->composite.gadget_driver); in gadget_dev_desc_UDC_store()
302 gi->composite.gadget_driver.udc_name = NULL; in gadget_dev_desc_UDC_store()
306 mutex_unlock(&gi->lock); in gadget_dev_desc_UDC_store()
310 mutex_unlock(&gi->lock); in gadget_dev_desc_UDC_store()
317 enum usb_device_speed speed = to_gadget_info(item)->composite.max_speed; in gadget_dev_desc_max_speed_show()
327 mutex_lock(&gi->lock); in gadget_dev_desc_max_speed_store()
330 if (gi->composite.gadget_driver.udc_name) in gadget_dev_desc_max_speed_store()
333 if (strncmp(page, "super-speed-plus", 16) == 0) in gadget_dev_desc_max_speed_store()
334 gi->composite.max_speed = USB_SPEED_SUPER_PLUS; in gadget_dev_desc_max_speed_store()
335 else if (strncmp(page, "super-speed", 11) == 0) in gadget_dev_desc_max_speed_store()
336 gi->composite.max_speed = USB_SPEED_SUPER; in gadget_dev_desc_max_speed_store()
337 else if (strncmp(page, "high-speed", 10) == 0) in gadget_dev_desc_max_speed_store()
338 gi->composite.max_speed = USB_SPEED_HIGH; in gadget_dev_desc_max_speed_store()
339 else if (strncmp(page, "full-speed", 10) == 0) in gadget_dev_desc_max_speed_store()
340 gi->composite.max_speed = USB_SPEED_FULL; in gadget_dev_desc_max_speed_store()
341 else if (strncmp(page, "low-speed", 9) == 0) in gadget_dev_desc_max_speed_store()
342 gi->composite.max_speed = USB_SPEED_LOW; in gadget_dev_desc_max_speed_store()
346 gi->composite.gadget_driver.max_speed = gi->composite.max_speed; in gadget_dev_desc_max_speed_store()
348 mutex_unlock(&gi->lock); in gadget_dev_desc_max_speed_store()
351 mutex_unlock(&gi->lock); in gadget_dev_desc_max_speed_store()
352 return -EINVAL; in gadget_dev_desc_max_speed_store()
404 WARN_ON(!list_empty(&gi->cdev.configs)); in gadget_info_attr_release()
405 WARN_ON(!list_empty(&gi->string_list)); in gadget_info_attr_release()
406 WARN_ON(!list_empty(&gi->available_func)); in gadget_info_attr_release()
407 kfree(gi->composite.gadget_driver.function); in gadget_info_attr_release()
408 kfree(gi->composite.gadget_driver.driver.name); in gadget_info_attr_release()
420 WARN_ON(!list_empty(&cfg->c.functions)); in gadget_config_attr_release()
421 list_del(&cfg->c.list); in gadget_config_attr_release()
422 kfree(cfg->c.label); in gadget_config_attr_release()
439 mutex_lock(&gi->lock); in config_usb_cfg_link()
446 if (gi->composite.gadget_driver.udc_name) { in config_usb_cfg_link()
447 ret = -EINVAL; in config_usb_cfg_link()
451 list_for_each_entry(iter, &gi->available_func, cfs_list) { in config_usb_cfg_link()
458 ret = -EINVAL; in config_usb_cfg_link()
462 list_for_each_entry(f, &cfg->func_list, list) { in config_usb_cfg_link()
463 if (f->fi == fi) { in config_usb_cfg_link()
464 ret = -EEXIST; in config_usb_cfg_link()
476 list_add_tail(&f->list, &cfg->func_list); in config_usb_cfg_link()
479 mutex_unlock(&gi->lock); in config_usb_cfg_link()
500 mutex_lock(&gi->lock); in config_usb_cfg_unlink()
501 if (gi->composite.gadget_driver.udc_name) in config_usb_cfg_unlink()
503 WARN_ON(gi->composite.gadget_driver.udc_name); in config_usb_cfg_unlink()
505 list_for_each_entry(f, &cfg->func_list, list) { in config_usb_cfg_unlink()
506 if (f->fi == fi) { in config_usb_cfg_unlink()
507 list_del(&f->list); in config_usb_cfg_unlink()
509 mutex_unlock(&gi->lock); in config_usb_cfg_unlink()
513 mutex_unlock(&gi->lock); in config_usb_cfg_unlink()
529 return sprintf(page, "%u\n", cfg->c.MaxPower); in gadget_config_desc_MaxPower_show()
542 return -ERANGE; in gadget_config_desc_MaxPower_store()
543 cfg->c.MaxPower = val; in gadget_config_desc_MaxPower_store()
552 return sprintf(page, "0x%02x\n", cfg->c.bmAttributes); in gadget_config_desc_bmAttributes_show()
565 return -EINVAL; in gadget_config_desc_bmAttributes_store()
568 return -EINVAL; in gadget_config_desc_bmAttributes_store()
569 cfg->c.bmAttributes = val; in gadget_config_desc_bmAttributes_store()
596 spin_lock_init(&cdev->lock); in composite_init_dev()
597 INIT_LIST_HEAD(&cdev->configs); in composite_init_dev()
598 INIT_LIST_HEAD(&cdev->gstrings); in composite_init_dev()
613 return ERR_PTR(-ENAMETOOLONG); in function_make()
621 return ERR_PTR(-EINVAL); in function_make()
630 ret = config_item_set_name(&fi->group.cg_item, "%s", name); in function_make()
635 if (fi->set_inst_name) { in function_make()
636 ret = fi->set_inst_name(fi, instance_name); in function_make()
645 mutex_lock(&gi->lock); in function_make()
646 list_add_tail(&fi->cfs_list, &gi->available_func); in function_make()
647 mutex_unlock(&gi->lock); in function_make()
648 return &fi->group; in function_make()
660 mutex_lock(&gi->lock); in function_drop()
661 list_del(&fi->cfs_list); in function_drop()
662 mutex_unlock(&gi->lock); in function_drop()
687 kfree(cn->configuration); in gadget_config_name_attr_release()
689 list_del(&cn->list); in gadget_config_name_attr_release()
704 u8 num; in config_desc_make() local
710 return ERR_PTR(-ENAMETOOLONG); in config_desc_make()
717 return ERR_PTR(-EINVAL); in config_desc_make()
724 return ERR_PTR(-EINVAL); in config_desc_make()
726 ret = kstrtou8(num_str, 0, &num); in config_desc_make()
732 return ERR_PTR(-ENOMEM); in config_desc_make()
733 cfg->c.label = kstrdup(buf, GFP_KERNEL); in config_desc_make()
734 if (!cfg->c.label) { in config_desc_make()
735 ret = -ENOMEM; in config_desc_make()
738 cfg->c.bConfigurationValue = num; in config_desc_make()
739 cfg->c.MaxPower = CONFIG_USB_GADGET_VBUS_DRAW; in config_desc_make()
740 cfg->c.bmAttributes = USB_CONFIG_ATT_ONE; in config_desc_make()
741 INIT_LIST_HEAD(&cfg->string_list); in config_desc_make()
742 INIT_LIST_HEAD(&cfg->func_list); in config_desc_make()
744 config_group_init_type_name(&cfg->group, name, in config_desc_make()
747 config_group_init_type_name(&cfg->strings_group, "strings", in config_desc_make()
749 configfs_add_default_group(&cfg->strings_group, &cfg->group); in config_desc_make()
751 ret = usb_add_config_only(&gi->cdev, &cfg->c); in config_desc_make()
755 return &cfg->group; in config_desc_make()
757 kfree(cfg->c.label); in config_desc_make()
794 kfree(gs->manufacturer); in gadget_language_attr_release()
795 kfree(gs->product); in gadget_language_attr_release()
796 kfree(gs->serialnumber); in gadget_language_attr_release()
798 list_del(&gs->list); in gadget_language_attr_release()
811 ret = sprintf(page, "%u\n", string->usb_string.id); in gadget_string_id_show()
821 ret = sysfs_emit(page, "%s\n", string->string); in gadget_string_s_show()
829 int size = min(sizeof(string->string), len + 1); in gadget_string_s_store()
833 return -EINVAL; in gadget_string_s_store()
835 cpy_len = strscpy(string->string, page, size); in gadget_string_s_store()
836 if (cpy_len > 0 && string->string[cpy_len - 1] == '\n') in gadget_string_s_store()
837 string->string[cpy_len - 1] = 0; in gadget_string_s_store()
871 language = to_gadget_language(&group->cg_item); in gadget_language_string_make()
875 return ERR_PTR(-ENOMEM); in gadget_language_string_make()
877 string->usb_string.id = language->nstrings++; in gadget_language_string_make()
878 string->usb_string.s = string->string; in gadget_language_string_make()
879 list_add_tail(&string->list, &language->gadget_strings); in gadget_language_string_make()
881 config_item_init_type_name(&string->item, name, &gadget_string_type); in gadget_language_string_make()
883 return &string->item; in gadget_language_string_make()
893 language = to_gadget_language(&group->cg_item); in gadget_language_string_drop()
896 list_del(&string->list); in gadget_language_string_drop()
897 language->nstrings--; in gadget_language_string_drop()
899 /* Reset the ids for the language's strings to guarantee a continuous set */ in gadget_language_string_drop()
900 list_for_each_entry(string, &language->gadget_strings, list) in gadget_language_string_drop()
901 string->usb_string.id = i++; in gadget_language_string_drop()
927 return ERR_PTR(-ENOMEM); in gadget_language_make()
929 ret = check_user_usb_string(name, &new->stringtab_dev); in gadget_language_make()
932 config_group_init_type_name(&new->group, name, in gadget_language_make()
936 ret = -EEXIST; in gadget_language_make()
937 list_for_each_entry(gs, &gi->string_list, list) { in gadget_language_make()
938 if (gs->stringtab_dev.language == new->stringtab_dev.language) in gadget_language_make()
942 ret = -EOVERFLOW; in gadget_language_make()
946 list_add_tail(&new->list, &gi->string_list); in gadget_language_make()
947 INIT_LIST_HEAD(&new->gadget_strings); in gadget_language_make()
949 /* We have the default manufacturer, product and serialnumber strings */ in gadget_language_make()
950 new->nstrings = 3; in gadget_language_make()
951 return &new->group; in gadget_language_make()
983 webusb_item_to_gadget_info(item)->use_webusb); in webusb_use_show()
997 mutex_lock(&gi->lock); in webusb_use_store()
998 gi->use_webusb = use; in webusb_use_store()
999 mutex_unlock(&gi->lock); in webusb_use_store()
1007 webusb_item_to_gadget_info(item)->bcd_webusb_version); in webusb_bcdVersion_show()
1025 mutex_lock(&gi->lock); in webusb_bcdVersion_store()
1026 gi->bcd_webusb_version = bcdVersion; in webusb_bcdVersion_store()
1027 mutex_unlock(&gi->lock); in webusb_bcdVersion_store()
1035 webusb_item_to_gadget_info(item)->b_webusb_vendor_code); in webusb_bVendorCode_show()
1049 mutex_lock(&gi->lock); in webusb_bVendorCode_store()
1050 gi->b_webusb_vendor_code = b_vendor_code; in webusb_bVendorCode_store()
1051 mutex_unlock(&gi->lock); in webusb_bVendorCode_store()
1058 return sysfs_emit(page, "%s\n", webusb_item_to_gadget_info(item)->landing_page); in webusb_landingPage_show()
1068 if (page[l - 1] == '\n') { in webusb_landingPage_store()
1069 --l; in webusb_landingPage_store()
1073 if (l > sizeof(gi->landing_page)) { in webusb_landingPage_store()
1075 return -EINVAL; in webusb_landingPage_store()
1086 if (l > U8_MAX - WEBUSB_URL_DESCRIPTOR_HEADER_LENGTH + bytes_to_strip) { in webusb_landingPage_store()
1088 l - U8_MAX + WEBUSB_URL_DESCRIPTOR_HEADER_LENGTH - bytes_to_strip); in webusb_landingPage_store()
1089 return -EINVAL; in webusb_landingPage_store()
1092 mutex_lock(&gi->lock); in webusb_landingPage_store()
1094 memcpy_and_pad(gi->landing_page, sizeof(gi->landing_page), page, l, 0); in webusb_landingPage_store()
1095 mutex_unlock(&gi->lock); in webusb_landingPage_store()
1128 os_desc_item_to_gadget_info(item)->use_os_desc); in os_desc_use_show()
1142 mutex_lock(&gi->lock); in os_desc_use_store()
1143 gi->use_os_desc = use; in os_desc_use_store()
1144 mutex_unlock(&gi->lock); in os_desc_use_store()
1152 os_desc_item_to_gadget_info(item)->b_vendor_code); in os_desc_b_vendor_code_show()
1166 mutex_lock(&gi->lock); in os_desc_b_vendor_code_store()
1167 gi->b_vendor_code = b_vendor_code; in os_desc_b_vendor_code_store()
1168 mutex_unlock(&gi->lock); in os_desc_b_vendor_code_store()
1178 res = utf16s_to_utf8s((wchar_t *) gi->qw_sign, OS_STRING_QW_SIGN_LEN, in os_desc_qw_sign_show()
1179 UTF16_LITTLE_ENDIAN, page, PAGE_SIZE - 1); in os_desc_qw_sign_show()
1192 if (page[l - 1] == '\n') in os_desc_qw_sign_store()
1193 --l; in os_desc_qw_sign_store()
1195 mutex_lock(&gi->lock); in os_desc_qw_sign_store()
1197 UTF16_LITTLE_ENDIAN, (wchar_t *) gi->qw_sign, in os_desc_qw_sign_store()
1201 mutex_unlock(&gi->lock); in os_desc_qw_sign_store()
1221 struct usb_composite_dev *cdev = &gi->cdev; in os_desc_link()
1226 mutex_lock(&gi->lock); in os_desc_link()
1227 list_for_each_entry(iter, &cdev->configs, list) { in os_desc_link()
1228 if (iter != &c_target->c) in os_desc_link()
1234 ret = -EINVAL; in os_desc_link()
1238 if (cdev->os_desc_config) { in os_desc_link()
1239 ret = -EBUSY; in os_desc_link()
1243 cdev->os_desc_config = &c_target->c; in os_desc_link()
1247 mutex_unlock(&gi->lock); in os_desc_link()
1255 struct usb_composite_dev *cdev = &gi->cdev; in os_desc_unlink()
1257 mutex_lock(&gi->lock); in os_desc_unlink()
1258 if (gi->composite.gadget_driver.udc_name) in os_desc_unlink()
1260 cdev->os_desc_config = NULL; in os_desc_unlink()
1261 WARN_ON(gi->composite.gadget_driver.udc_name); in os_desc_unlink()
1262 mutex_unlock(&gi->lock); in os_desc_unlink()
1284 return sprintf(page, "%d\n", to_usb_os_desc_ext_prop(item)->type); in ext_prop_type_show()
1291 struct usb_os_desc *desc = to_usb_os_desc(ext_prop->item.ci_parent); in ext_prop_type_store()
1300 return -EINVAL; in ext_prop_type_store()
1302 if (desc->opts_mutex) in ext_prop_type_store()
1303 mutex_lock(desc->opts_mutex); in ext_prop_type_store()
1305 if ((ext_prop->type == USB_EXT_PROP_BINARY || in ext_prop_type_store()
1306 ext_prop->type == USB_EXT_PROP_LE32 || in ext_prop_type_store()
1307 ext_prop->type == USB_EXT_PROP_BE32) && in ext_prop_type_store()
1311 ext_prop->data_len <<= 1; in ext_prop_type_store()
1312 else if ((ext_prop->type == USB_EXT_PROP_UNICODE || in ext_prop_type_store()
1313 ext_prop->type == USB_EXT_PROP_UNICODE_ENV || in ext_prop_type_store()
1314 ext_prop->type == USB_EXT_PROP_UNICODE_LINK) && in ext_prop_type_store()
1318 ext_prop->data_len >>= 1; in ext_prop_type_store()
1319 ext_prop->type = type; in ext_prop_type_store()
1321 if (desc->opts_mutex) in ext_prop_type_store()
1322 mutex_unlock(desc->opts_mutex); in ext_prop_type_store()
1329 int len = ext_prop->data_len; in ext_prop_data_show()
1331 if (ext_prop->type == USB_EXT_PROP_UNICODE || in ext_prop_data_show()
1332 ext_prop->type == USB_EXT_PROP_UNICODE_ENV || in ext_prop_data_show()
1333 ext_prop->type == USB_EXT_PROP_UNICODE_LINK) in ext_prop_data_show()
1335 memcpy(page, ext_prop->data, len); in ext_prop_data_show()
1344 struct usb_os_desc *desc = to_usb_os_desc(ext_prop->item.ci_parent); in ext_prop_data_store()
1348 if (page[len - 1] == '\n' || page[len - 1] == '\0') in ext_prop_data_store()
1349 --len; in ext_prop_data_store()
1352 return -ENOMEM; in ext_prop_data_store()
1354 if (desc->opts_mutex) in ext_prop_data_store()
1355 mutex_lock(desc->opts_mutex); in ext_prop_data_store()
1356 kfree(ext_prop->data); in ext_prop_data_store()
1357 ext_prop->data = new_data; in ext_prop_data_store()
1358 desc->ext_prop_len -= ext_prop->data_len; in ext_prop_data_store()
1359 ext_prop->data_len = len; in ext_prop_data_store()
1360 desc->ext_prop_len += ext_prop->data_len; in ext_prop_data_store()
1361 if (ext_prop->type == USB_EXT_PROP_UNICODE || in ext_prop_data_store()
1362 ext_prop->type == USB_EXT_PROP_UNICODE_ENV || in ext_prop_data_store()
1363 ext_prop->type == USB_EXT_PROP_UNICODE_LINK) { in ext_prop_data_store()
1364 desc->ext_prop_len -= ext_prop->data_len; in ext_prop_data_store()
1365 ext_prop->data_len <<= 1; in ext_prop_data_store()
1366 ext_prop->data_len += 2; in ext_prop_data_store()
1367 desc->ext_prop_len += ext_prop->data_len; in ext_prop_data_store()
1369 if (desc->opts_mutex) in ext_prop_data_store()
1370 mutex_unlock(desc->opts_mutex); in ext_prop_data_store()
1409 return ERR_PTR(-ENOMEM); in ext_prop_make()
1415 ext_prop_type->ct_item_ops = &ext_prop_ops; in ext_prop_make()
1416 ext_prop_type->ct_attrs = ext_prop_attrs; in ext_prop_make()
1417 ext_prop_type->ct_owner = desc->owner; in ext_prop_make()
1419 config_item_init_type_name(&ext_prop->item, name, ext_prop_type); in ext_prop_make()
1421 ext_prop->name = kstrdup(name, GFP_KERNEL); in ext_prop_make()
1422 if (!ext_prop->name) { in ext_prop_make()
1424 return ERR_PTR(-ENOMEM); in ext_prop_make()
1426 desc->ext_prop_len += 14; in ext_prop_make()
1427 ext_prop->name_len = 2 * strlen(ext_prop->name) + 2; in ext_prop_make()
1428 if (desc->opts_mutex) in ext_prop_make()
1429 mutex_lock(desc->opts_mutex); in ext_prop_make()
1430 desc->ext_prop_len += ext_prop->name_len; in ext_prop_make()
1431 list_add_tail(&ext_prop->entry, &desc->ext_prop); in ext_prop_make()
1432 ++desc->ext_prop_count; in ext_prop_make()
1433 if (desc->opts_mutex) in ext_prop_make()
1434 mutex_unlock(desc->opts_mutex); in ext_prop_make()
1436 return &ext_prop->item; in ext_prop_make()
1442 struct usb_os_desc *desc = to_usb_os_desc(&group->cg_item); in ext_prop_drop()
1444 if (desc->opts_mutex) in ext_prop_drop()
1445 mutex_lock(desc->opts_mutex); in ext_prop_drop()
1446 list_del(&ext_prop->entry); in ext_prop_drop()
1447 --desc->ext_prop_count; in ext_prop_drop()
1448 kfree(ext_prop->name); in ext_prop_drop()
1449 desc->ext_prop_len -= (ext_prop->name_len + ext_prop->data_len + 14); in ext_prop_drop()
1450 if (desc->opts_mutex) in ext_prop_drop()
1451 mutex_unlock(desc->opts_mutex); in ext_prop_drop()
1463 memcpy(page, to_usb_os_desc(item)->ext_compat_id, 8); in interf_grp_compatible_id_show()
1474 if (page[l - 1] == '\n') in interf_grp_compatible_id_store()
1475 --l; in interf_grp_compatible_id_store()
1476 if (desc->opts_mutex) in interf_grp_compatible_id_store()
1477 mutex_lock(desc->opts_mutex); in interf_grp_compatible_id_store()
1478 memcpy(desc->ext_compat_id, page, l); in interf_grp_compatible_id_store()
1480 if (desc->opts_mutex) in interf_grp_compatible_id_store()
1481 mutex_unlock(desc->opts_mutex); in interf_grp_compatible_id_store()
1489 memcpy(page, to_usb_os_desc(item)->ext_compat_id + 8, 8); in interf_grp_sub_compatible_id_show()
1500 if (page[l - 1] == '\n') in interf_grp_sub_compatible_id_store()
1501 --l; in interf_grp_sub_compatible_id_store()
1502 if (desc->opts_mutex) in interf_grp_sub_compatible_id_store()
1503 mutex_lock(desc->opts_mutex); in interf_grp_sub_compatible_id_store()
1504 memcpy(desc->ext_compat_id + 8, page, l); in interf_grp_sub_compatible_id_store()
1506 if (desc->opts_mutex) in interf_grp_sub_compatible_id_store()
1507 mutex_unlock(desc->opts_mutex); in interf_grp_sub_compatible_id_store()
1538 return ERR_PTR(-ENOMEM); in usb_os_desc_prepare_interf_dir()
1544 os_desc_type->ct_owner = owner; in usb_os_desc_prepare_interf_dir()
1548 interface_type->ct_group_ops = &interf_grp_ops; in usb_os_desc_prepare_interf_dir()
1549 interface_type->ct_attrs = interf_grp_attrs; in usb_os_desc_prepare_interf_dir()
1550 interface_type->ct_owner = owner; in usb_os_desc_prepare_interf_dir()
1552 while (n_interf--) { in usb_os_desc_prepare_interf_dir()
1556 d->owner = owner; in usb_os_desc_prepare_interf_dir()
1557 config_group_init_type_name(&d->group, "", interface_type); in usb_os_desc_prepare_interf_dir()
1558 config_item_set_name(&d->group.cg_item, "interface.%s", in usb_os_desc_prepare_interf_dir()
1560 configfs_add_default_group(&d->group, os_desc_group); in usb_os_desc_prepare_interf_dir()
1570 return -EINVAL; in configfs_do_nothing()
1583 list_for_each_entry(c, &gi->cdev.configs, list) { in purge_configs_funcs()
1589 list_for_each_entry_safe_reverse(f, tmp, &c->functions, list) { in purge_configs_funcs()
1591 list_move(&f->list, &cfg->func_list); in purge_configs_funcs()
1592 if (f->unbind) { in purge_configs_funcs()
1593 dev_dbg(&gi->cdev.gadget->dev, in purge_configs_funcs()
1595 f->name, f); in purge_configs_funcs()
1596 f->unbind(c, f); in purge_configs_funcs()
1599 c->next_interface_id = 0; in purge_configs_funcs()
1600 memset(c->interface, 0, sizeof(c->interface)); in purge_configs_funcs()
1601 c->superspeed_plus = 0; in purge_configs_funcs()
1602 c->superspeed = 0; in purge_configs_funcs()
1603 c->highspeed = 0; in purge_configs_funcs()
1604 c->fullspeed = 0; in purge_configs_funcs()
1618 int nstrings = -1; in configfs_attach_gadget_strings()
1621 list_for_each(iter, &gi->string_list) in configfs_attach_gadget_strings()
1631 return ERR_PTR(-ENOMEM); in configfs_attach_gadget_strings()
1633 list_for_each_entry(language, &gi->string_list, list) { in configfs_attach_gadget_strings()
1636 if (nstrings == -1) { in configfs_attach_gadget_strings()
1637 nstrings = language->nstrings; in configfs_attach_gadget_strings()
1638 } else if (nstrings != language->nstrings) { in configfs_attach_gadget_strings()
1639 pr_err("languages must contain the same number of strings\n"); in configfs_attach_gadget_strings()
1640 us = ERR_PTR(-EINVAL); in configfs_attach_gadget_strings()
1644 stringtab = kcalloc(language->nstrings + 1, sizeof(struct usb_string), in configfs_attach_gadget_strings()
1647 us = ERR_PTR(-ENOMEM); in configfs_attach_gadget_strings()
1652 stringtab[USB_GADGET_MANUFACTURER_IDX].s = language->manufacturer; in configfs_attach_gadget_strings()
1654 stringtab[USB_GADGET_PRODUCT_IDX].s = language->product; in configfs_attach_gadget_strings()
1656 stringtab[USB_GADGET_SERIAL_IDX].s = language->serialnumber; in configfs_attach_gadget_strings()
1659 list_for_each_entry(string, &language->gadget_strings, list) { in configfs_attach_gadget_strings()
1660 memcpy(&stringtab[j], &string->usb_string, sizeof(struct usb_string)); in configfs_attach_gadget_strings()
1664 language->stringtab_dev.strings = stringtab; in configfs_attach_gadget_strings()
1665 gadget_strings[i] = &language->stringtab_dev; in configfs_attach_gadget_strings()
1669 us = usb_gstrings_attach(&gi->cdev, gadget_strings, nstrings); in configfs_attach_gadget_strings()
1672 list_for_each_entry(language, &gi->string_list, list) { in configfs_attach_gadget_strings()
1673 kfree(language->stringtab_dev.strings); in configfs_attach_gadget_strings()
1674 language->stringtab_dev.strings = NULL; in configfs_attach_gadget_strings()
1688 struct usb_composite_dev *cdev = &gi->cdev; in configfs_composite_bind()
1694 /* the gi->lock is hold by the caller */ in configfs_composite_bind()
1695 gi->unbind = 0; in configfs_composite_bind()
1696 cdev->gadget = gadget; in configfs_composite_bind()
1702 ret = -EINVAL; in configfs_composite_bind()
1704 if (list_empty(&gi->cdev.configs)) { in configfs_composite_bind()
1706 gi->composite.name); in configfs_composite_bind()
1711 list_for_each_entry(c, &gi->cdev.configs, list) { in configfs_composite_bind()
1715 if (list_empty(&cfg->func_list)) { in configfs_composite_bind()
1717 c->label, c->bConfigurationValue, in configfs_composite_bind()
1718 gi->composite.name); in configfs_composite_bind()
1723 /* init all strings */ in configfs_composite_bind()
1724 if (!list_empty(&gi->string_list)) { in configfs_composite_bind()
1731 gi->cdev.desc.iManufacturer = s[USB_GADGET_MANUFACTURER_IDX].id; in configfs_composite_bind()
1732 gi->cdev.desc.iProduct = s[USB_GADGET_PRODUCT_IDX].id; in configfs_composite_bind()
1733 gi->cdev.desc.iSerialNumber = s[USB_GADGET_SERIAL_IDX].id; in configfs_composite_bind()
1735 gi->cdev.usb_strings = s; in configfs_composite_bind()
1738 if (gi->use_webusb) { in configfs_composite_bind()
1739 cdev->use_webusb = true; in configfs_composite_bind()
1740 cdev->bcd_webusb_version = gi->bcd_webusb_version; in configfs_composite_bind()
1741 cdev->b_webusb_vendor_code = gi->b_webusb_vendor_code; in configfs_composite_bind()
1742 memcpy(cdev->landing_page, gi->landing_page, WEBUSB_URL_RAW_MAX_LENGTH); in configfs_composite_bind()
1745 if (gi->use_os_desc) { in configfs_composite_bind()
1746 cdev->use_os_string = true; in configfs_composite_bind()
1747 cdev->b_vendor_code = gi->b_vendor_code; in configfs_composite_bind()
1748 memcpy(cdev->qw_sign, gi->qw_sign, OS_STRING_QW_SIGN_LEN); in configfs_composite_bind()
1756 ret = -ENOMEM; in configfs_composite_bind()
1765 list_for_each_entry(c, &gi->cdev.configs, list) { in configfs_composite_bind()
1772 c->descriptors = otg_desc; in configfs_composite_bind()
1778 if (!list_empty(&cfg->string_list)) { in configfs_composite_bind()
1780 list_for_each_entry(cn, &cfg->string_list, list) { in configfs_composite_bind()
1781 cfg->gstrings[i] = &cn->stringtab_dev; in configfs_composite_bind()
1782 cn->stringtab_dev.strings = &cn->strings; in configfs_composite_bind()
1783 cn->strings.s = cn->configuration; in configfs_composite_bind()
1786 cfg->gstrings[i] = NULL; in configfs_composite_bind()
1787 s = usb_gstrings_attach(&gi->cdev, cfg->gstrings, 1); in configfs_composite_bind()
1792 c->iConfiguration = s[0].id; in configfs_composite_bind()
1795 list_for_each_entry_safe(f, tmp, &cfg->func_list, list) { in configfs_composite_bind()
1796 list_del(&f->list); in configfs_composite_bind()
1799 list_add(&f->list, &cfg->func_list); in configfs_composite_bind()
1803 ret = usb_gadget_check_config(cdev->gadget); in configfs_composite_bind()
1807 usb_ep_autoconfig_reset(cdev->gadget); in configfs_composite_bind()
1809 if (cdev->use_os_string) { in configfs_composite_bind()
1810 ret = composite_os_desc_req_prepare(cdev, gadget->ep0); in configfs_composite_bind()
1815 usb_ep_autoconfig_reset(cdev->gadget); in configfs_composite_bind()
1831 /* the gi->lock is hold by the caller */ in configfs_composite_unbind()
1835 spin_lock_irqsave(&gi->spinlock, flags); in configfs_composite_unbind()
1836 gi->unbind = 1; in configfs_composite_unbind()
1837 spin_unlock_irqrestore(&gi->spinlock, flags); in configfs_composite_unbind()
1843 usb_ep_autoconfig_reset(cdev->gadget); in configfs_composite_unbind()
1844 spin_lock_irqsave(&gi->spinlock, flags); in configfs_composite_unbind()
1845 cdev->gadget = NULL; in configfs_composite_unbind()
1846 cdev->deactivations = 0; in configfs_composite_unbind()
1847 gadget->deactivated = false; in configfs_composite_unbind()
1849 spin_unlock_irqrestore(&gi->spinlock, flags); in configfs_composite_unbind()
1865 spin_lock_irqsave(&gi->spinlock, flags); in configfs_composite_setup()
1867 if (!cdev || gi->unbind) { in configfs_composite_setup()
1868 spin_unlock_irqrestore(&gi->spinlock, flags); in configfs_composite_setup()
1873 spin_unlock_irqrestore(&gi->spinlock, flags); in configfs_composite_setup()
1888 spin_lock_irqsave(&gi->spinlock, flags); in configfs_composite_disconnect()
1890 if (!cdev || gi->unbind) { in configfs_composite_disconnect()
1891 spin_unlock_irqrestore(&gi->spinlock, flags); in configfs_composite_disconnect()
1896 spin_unlock_irqrestore(&gi->spinlock, flags); in configfs_composite_disconnect()
1910 spin_lock_irqsave(&gi->spinlock, flags); in configfs_composite_reset()
1912 if (!cdev || gi->unbind) { in configfs_composite_reset()
1913 spin_unlock_irqrestore(&gi->spinlock, flags); in configfs_composite_reset()
1918 spin_unlock_irqrestore(&gi->spinlock, flags); in configfs_composite_reset()
1932 spin_lock_irqsave(&gi->spinlock, flags); in configfs_composite_suspend()
1934 if (!cdev || gi->unbind) { in configfs_composite_suspend()
1935 spin_unlock_irqrestore(&gi->spinlock, flags); in configfs_composite_suspend()
1940 spin_unlock_irqrestore(&gi->spinlock, flags); in configfs_composite_suspend()
1954 spin_lock_irqsave(&gi->spinlock, flags); in configfs_composite_resume()
1956 if (!cdev || gi->unbind) { in configfs_composite_resume()
1957 spin_unlock_irqrestore(&gi->spinlock, flags); in configfs_composite_resume()
1962 spin_unlock_irqrestore(&gi->spinlock, flags); in configfs_composite_resume()
1991 return ERR_PTR(-ENOMEM); in gadgets_make()
1993 config_group_init_type_name(&gi->group, name, &gadget_root_type); in gadgets_make()
1995 config_group_init_type_name(&gi->functions_group, "functions", in gadgets_make()
1997 configfs_add_default_group(&gi->functions_group, &gi->group); in gadgets_make()
1999 config_group_init_type_name(&gi->configs_group, "configs", in gadgets_make()
2001 configfs_add_default_group(&gi->configs_group, &gi->group); in gadgets_make()
2003 config_group_init_type_name(&gi->strings_group, "strings", in gadgets_make()
2005 configfs_add_default_group(&gi->strings_group, &gi->group); in gadgets_make()
2007 config_group_init_type_name(&gi->os_desc_group, "os_desc", in gadgets_make()
2009 configfs_add_default_group(&gi->os_desc_group, &gi->group); in gadgets_make()
2011 config_group_init_type_name(&gi->webusb_group, "webusb", in gadgets_make()
2013 configfs_add_default_group(&gi->webusb_group, &gi->group); in gadgets_make()
2015 gi->composite.bind = configfs_do_nothing; in gadgets_make()
2016 gi->composite.unbind = configfs_do_nothing; in gadgets_make()
2017 gi->composite.suspend = NULL; in gadgets_make()
2018 gi->composite.resume = NULL; in gadgets_make()
2019 gi->composite.max_speed = USB_SPEED_SUPER_PLUS; in gadgets_make()
2021 spin_lock_init(&gi->spinlock); in gadgets_make()
2022 mutex_init(&gi->lock); in gadgets_make()
2023 INIT_LIST_HEAD(&gi->string_list); in gadgets_make()
2024 INIT_LIST_HEAD(&gi->available_func); in gadgets_make()
2026 composite_init_dev(&gi->cdev); in gadgets_make()
2027 gi->cdev.desc.bLength = USB_DT_DEVICE_SIZE; in gadgets_make()
2028 gi->cdev.desc.bDescriptorType = USB_DT_DEVICE; in gadgets_make()
2029 gi->cdev.desc.bcdDevice = cpu_to_le16(get_default_bcdDevice()); in gadgets_make()
2031 gi->composite.gadget_driver = configfs_driver_template; in gadgets_make()
2033 gi->composite.gadget_driver.driver.name = kasprintf(GFP_KERNEL, in gadgets_make()
2034 "configfs-gadget.%s", name); in gadgets_make()
2035 if (!gi->composite.gadget_driver.driver.name) in gadgets_make()
2038 gi->composite.gadget_driver.function = kstrdup(name, GFP_KERNEL); in gadgets_make()
2039 gi->composite.name = gi->composite.gadget_driver.function; in gadgets_make()
2041 if (!gi->composite.gadget_driver.function) in gadgets_make()
2044 return &gi->group; in gadgets_make()
2047 kfree(gi->composite.gadget_driver.driver.name); in gadgets_make()
2050 return ERR_PTR(-ENOMEM); in gadgets_make()
2082 mutex_lock(&gi->lock); in unregister_gadget_item()
2084 mutex_unlock(&gi->lock); in unregister_gadget_item()