137 	struct channel_path *chp;  in chp_measurement_chars_read()  local
141 	chp = to_channelpath(device);  in chp_measurement_chars_read()
142 	if (!chp->cmg_chars)  in chp_measurement_chars_read()
146 				chp->cmg_chars, sizeof(struct cmg_chars));  in chp_measurement_chars_read()
184 	struct channel_path *chp;  in chp_measurement_read()  local
190 	chp = to_channelpath(device);  in chp_measurement_read()
191 	css = to_css(chp->dev.parent);  in chp_measurement_read()
198 	chp_measurement_copy_block((struct cmg_entry *)buf, css, chp->chpid);  in chp_measurement_read()
212 void chp_remove_cmg_attr(struct channel_path *chp)  in chp_remove_cmg_attr()  argument
214 	device_remove_bin_file(&chp->dev, &chp_measurement_chars_attr);  in chp_remove_cmg_attr()
215 	device_remove_bin_file(&chp->dev, &chp_measurement_attr);  in chp_remove_cmg_attr()
218 int chp_add_cmg_attr(struct channel_path *chp)  in chp_add_cmg_attr()  argument
222 	ret = device_create_bin_file(&chp->dev, &chp_measurement_chars_attr);  in chp_add_cmg_attr()
225 	ret = device_create_bin_file(&chp->dev, &chp_measurement_attr);  in chp_add_cmg_attr()
227 		device_remove_bin_file(&chp->dev, &chp_measurement_chars_attr);  in chp_add_cmg_attr()
237 	struct channel_path *chp = to_channelpath(dev);  in chp_status_show()  local
240 	mutex_lock(&chp->lock);  in chp_status_show()
241 	status = chp->state;  in chp_status_show()
242 	mutex_unlock(&chp->lock);  in chp_status_show()
316 	struct channel_path *chp = to_channelpath(dev);  in chp_type_show()  local
319 	mutex_lock(&chp->lock);  in chp_type_show()
320 	type = chp->desc.desc;  in chp_type_show()
321 	mutex_unlock(&chp->lock);  in chp_type_show()
330 	struct channel_path *chp = to_channelpath(dev);  in chp_cmg_show()  local
332 	if (!chp)  in chp_cmg_show()
334 	if (chp->cmg == -1) /* channel measurements not available */  in chp_cmg_show()
336 	return sprintf(buf, "%x\n", chp->cmg);  in chp_cmg_show()
344 	struct channel_path *chp = to_channelpath(dev);  in chp_shared_show()  local
346 	if (!chp)  in chp_shared_show()
348 	if (chp->shared == -1) /* channel measurements not available */  in chp_shared_show()
350 	return sprintf(buf, "%x\n", chp->shared);  in chp_shared_show()
358 	struct channel_path *chp = to_channelpath(dev);  in chp_chid_show()  local
361 	mutex_lock(&chp->lock);  in chp_chid_show()
362 	if (chp->desc_fmt1.flags & 0x10)  in chp_chid_show()
363 		rc = sprintf(buf, "%04x\n", chp->desc_fmt1.chid);  in chp_chid_show()
366 	mutex_unlock(&chp->lock);  in chp_chid_show()
375 	struct channel_path *chp = to_channelpath(dev);  in chp_chid_external_show()  local
378 	mutex_lock(&chp->lock);  in chp_chid_external_show()
379 	if (chp->desc_fmt1.flags & 0x10)  in chp_chid_external_show()
380 		rc = sprintf(buf, "%x\n", chp->desc_fmt1.flags & 0x8 ? 1 : 0);  in chp_chid_external_show()
383 	mutex_unlock(&chp->lock);  in chp_chid_external_show()
422 int chp_update_desc(struct channel_path *chp)  in chp_update_desc()  argument
426 	rc = chsc_determine_base_channel_path_desc(chp->chpid, &chp->desc);  in chp_update_desc()
430 	rc = chsc_determine_fmt1_channel_path_desc(chp->chpid, &chp->desc_fmt1);  in chp_update_desc()
444 	struct channel_path *chp;  in chp_new()  local
449 	chp = kzalloc(sizeof(struct channel_path), GFP_KERNEL);  in chp_new()
450 	if (!chp)  in chp_new()
454 	chp->chpid = chpid;  in chp_new()
455 	chp->state = 1;  in chp_new()
456 	chp->dev.parent = &channel_subsystems[chpid.cssid]->device;  in chp_new()
457 	chp->dev.groups = chp_attr_groups;  in chp_new()
458 	chp->dev.release = chp_release;  in chp_new()
459 	mutex_init(&chp->lock);  in chp_new()
462 	ret = chp_update_desc(chp);  in chp_new()
465 	if ((chp->desc.flags & 0x80) == 0) {  in chp_new()
471 		ret = chsc_get_channel_measurement_chars(chp);  in chp_new()
475 		chp->cmg = -1;  in chp_new()
477 	dev_set_name(&chp->dev, "chp%x.%02x", chpid.cssid, chpid.id);  in chp_new()
480 	ret = device_register(&chp->dev);  in chp_new()
484 		put_device(&chp->dev);  in chp_new()
489 		ret = chp_add_cmg_attr(chp);  in chp_new()
491 			device_unregister(&chp->dev);  in chp_new()
496 	channel_subsystems[chpid.cssid]->chps[chpid.id] = chp;  in chp_new()
500 	kfree(chp);  in chp_new()
514 	struct channel_path *chp;  in chp_get_chp_desc()  local
517 	chp = chpid_to_chp(chpid);  in chp_get_chp_desc()
518 	if (!chp)  in chp_get_chp_desc()
524 	mutex_lock(&chp->lock);  in chp_get_chp_desc()
525 	memcpy(desc, &chp->desc, sizeof(struct channel_path_desc));  in chp_get_chp_desc()
526 	mutex_unlock(&chp->lock);  in chp_get_chp_desc()