55 static void set_chp_logically_online(struct chp_id chpid, int onoff)  in set_chp_logically_online()  argument
57 	chpid_to_chp(chpid)->state = onoff;  in set_chp_logically_online()
62 int chp_get_status(struct chp_id chpid)  in chp_get_status()  argument
64 	return (chpid_to_chp(chpid) ? chpid_to_chp(chpid)->state : -ENODEV);  in chp_get_status()
76 	struct chp_id chpid;  in chp_get_sch_opm()  local
81 	chp_id_init(&chpid);  in chp_get_sch_opm()
84 		chpid.id = sch->schib.pmcw.chpid[i];  in chp_get_sch_opm()
85 		if (chp_get_status(chpid) != 0)  in chp_get_sch_opm()
99 int chp_is_registered(struct chp_id chpid)  in chp_is_registered()  argument
101 	return chpid_to_chp(chpid) != NULL;  in chp_is_registered()
108 static int s390_vary_chpid(struct chp_id chpid, int on)  in s390_vary_chpid()  argument
113 	sprintf(dbf_text, on?"varyon%x.%02x":"varyoff%x.%02x", chpid.cssid,  in s390_vary_chpid()
114 		chpid.id);  in s390_vary_chpid()
117 	status = chp_get_status(chpid);  in s390_vary_chpid()
121 	set_chp_logically_online(chpid, on);  in s390_vary_chpid()
122 	chsc_chp_vary(chpid, on);  in s390_vary_chpid()
157 				       struct chp_id chpid)  in chp_measurement_copy_block()  argument
163 	if (chpid.id < 128) {  in chp_measurement_copy_block()
165 		idx = chpid.id;  in chp_measurement_copy_block()
168 		idx = chpid.id - 128;  in chp_measurement_copy_block()
195 	chp_measurement_copy_block((struct cmg_entry *)buf, css, chp->chpid);  in chp_measurement_read()
259 		error = s390_vary_chpid(cp->chpid, 1);  in chp_status_write()
263 		error = s390_vary_chpid(cp->chpid, 0);  in chp_status_write()
280 	status = chp_info_get_status(cp->chpid);  in chp_configure_show()
302 	chp_cfg_schedule(cp->chpid, val);  in chp_configure_write()
424 	rc = chsc_determine_base_channel_path_desc(chp->chpid, &chp->desc);  in chp_update_desc()
432 	chsc_determine_fmt1_channel_path_desc(chp->chpid, &chp->desc_fmt1);  in chp_update_desc()
445 int chp_new(struct chp_id chpid)  in chp_new()  argument
450 	if (chp_is_registered(chpid))  in chp_new()
457 	chp->chpid = chpid;  in chp_new()
459 	chp->dev.parent = &channel_subsystems[chpid.cssid]->device;  in chp_new()
472 	dev_set_name(&chp->dev, "chp%x.%02x", chpid.cssid, chpid.id);  in chp_new()
478 			      chpid.cssid, chpid.id, ret);  in chp_new()
482 	mutex_lock(&channel_subsystems[chpid.cssid]->mutex);  in chp_new()
483 	if (channel_subsystems[chpid.cssid]->cm_enabled) {  in chp_new()
487 			mutex_unlock(&channel_subsystems[chpid.cssid]->mutex);  in chp_new()
491 	channel_subsystems[chpid.cssid]->chps[chpid.id] = chp;  in chp_new()
492 	mutex_unlock(&channel_subsystems[chpid.cssid]->mutex);  in chp_new()
507 struct channel_path_desc *chp_get_chp_desc(struct chp_id chpid)  in chp_get_chp_desc()  argument
512 	chp = chpid_to_chp(chpid);  in chp_get_chp_desc()
537 	struct chp_id chpid;  in chp_process_crw()  local
557 	chp_id_init(&chpid);  in chp_process_crw()
558 	chpid.id = crw0->rsid;  in chp_process_crw()
561 		if (!chp_is_registered(chpid))  in chp_process_crw()
562 			chp_new(chpid);  in chp_process_crw()
563 		chsc_chp_online(chpid);  in chp_process_crw()
567 		chsc_chp_offline(chpid);  in chp_process_crw()
584 		if (!chp_id_is_equal(&ssd->chpid[i], &link->chpid))  in chp_ssd_get_mask()
632 int chp_info_get_status(struct chp_id chpid)  in chp_info_get_status()  argument
641 	bit = info_bit_num(chpid);  in chp_info_get_status()
657 static enum cfg_task_t cfg_get_task(struct chp_id chpid)  in cfg_get_task()  argument
659 	return chp_cfg_task[chpid.cssid][chpid.id];  in cfg_get_task()
663 static void cfg_set_task(struct chp_id chpid, enum cfg_task_t cfg)  in cfg_set_task()  argument
665 	chp_cfg_task[chpid.cssid][chpid.id] = cfg;  in cfg_set_task()
669 static enum cfg_task_t chp_cfg_fetch_task(struct chp_id *chpid)  in chp_cfg_fetch_task()  argument
673 	chp_id_for_each(chpid) {  in chp_cfg_fetch_task()
674 		t = cfg_get_task(*chpid);  in chp_cfg_fetch_task()
686 	struct chp_id chpid;  in cfg_func()  local
691 	t = chp_cfg_fetch_task(&chpid);  in cfg_func()
696 		rc = sclp_chp_configure(chpid);  in cfg_func()
699 				      "%d\n", chpid.cssid, chpid.id, rc);  in cfg_func()
702 			chsc_chp_online(chpid);  in cfg_func()
706 		rc = sclp_chp_deconfigure(chpid);  in cfg_func()
709 				      "%d\n", chpid.cssid, chpid.id, rc);  in cfg_func()
712 			chsc_chp_offline(chpid);  in cfg_func()
722 	if (t == cfg_get_task(chpid))  in cfg_func()
723 		cfg_set_task(chpid, cfg_none);  in cfg_func()
735 void chp_cfg_schedule(struct chp_id chpid, int configure)  in chp_cfg_schedule()  argument
737 	CIO_MSG_EVENT(2, "chp_cfg_sched%x.%02x=%d\n", chpid.cssid, chpid.id,  in chp_cfg_schedule()
740 	cfg_set_task(chpid, configure ? cfg_configure : cfg_deconfigure);  in chp_cfg_schedule()
752 void chp_cfg_cancel_deconfigure(struct chp_id chpid)  in chp_cfg_cancel_deconfigure()  argument
754 	CIO_MSG_EVENT(2, "chp_cfg_cancel:%x.%02x\n", chpid.cssid, chpid.id);  in chp_cfg_cancel_deconfigure()
756 	if (cfg_get_task(chpid) == cfg_deconfigure)  in chp_cfg_cancel_deconfigure()
757 		cfg_set_task(chpid, cfg_none);  in chp_cfg_cancel_deconfigure()
763 	struct chp_id chpid;  in cfg_idle()  local
767 	t = chp_cfg_fetch_task(&chpid);  in cfg_idle()
782 	struct chp_id chpid;  in chp_init()  local
793 	chp_id_for_each(&chpid) {  in chp_init()
794 		state = chp_info_get_status(chpid);  in chp_init()
797 			chp_new(chpid);  in chp_init()