56 static void set_chp_logically_online(struct chp_id chpid, int onoff)  in set_chp_logically_online()  argument
58 	chpid_to_chp(chpid)->state = onoff;  in set_chp_logically_online()
63 int chp_get_status(struct chp_id chpid)  in chp_get_status()  argument
65 	return (chpid_to_chp(chpid) ? chpid_to_chp(chpid)->state : -ENODEV);  in chp_get_status()
77 	struct chp_id chpid;  in chp_get_sch_opm()  local
82 	chp_id_init(&chpid);  in chp_get_sch_opm()
85 		chpid.id = sch->schib.pmcw.chpid[i];  in chp_get_sch_opm()
86 		if (chp_get_status(chpid) != 0)  in chp_get_sch_opm()
100 int chp_is_registered(struct chp_id chpid)  in chp_is_registered()  argument
102 	return chpid_to_chp(chpid) != NULL;  in chp_is_registered()
109 static int s390_vary_chpid(struct chp_id chpid, int on)  in s390_vary_chpid()  argument
114 	sprintf(dbf_text, on?"varyon%x.%02x":"varyoff%x.%02x", chpid.cssid,  in s390_vary_chpid()
115 		chpid.id);  in s390_vary_chpid()
118 	status = chp_get_status(chpid);  in s390_vary_chpid()
122 	set_chp_logically_online(chpid, on);  in s390_vary_chpid()
123 	chsc_chp_vary(chpid, on);  in s390_vary_chpid()
158 				       struct chp_id chpid)  in chp_measurement_copy_block()  argument
164 	if (chpid.id < 128) {  in chp_measurement_copy_block()
166 		idx = chpid.id;  in chp_measurement_copy_block()
169 		idx = chpid.id - 128;  in chp_measurement_copy_block()
196 	chp_measurement_copy_block((struct cmg_entry *)buf, css, chp->chpid);  in chp_measurement_read()
263 		error = s390_vary_chpid(cp->chpid, 1);  in chp_status_write()
267 		error = s390_vary_chpid(cp->chpid, 0);  in chp_status_write()
284 	status = chp_info_get_status(cp->chpid);  in chp_configure_show()
306 	chp_cfg_schedule(cp->chpid, val);  in chp_configure_write()
466 	rc = chsc_determine_fmt0_channel_path_desc(chp->chpid, &chp->desc);  in chp_update_desc()
474 	chsc_determine_fmt1_channel_path_desc(chp->chpid, &chp->desc_fmt1);  in chp_update_desc()
475 	chsc_determine_fmt3_channel_path_desc(chp->chpid, &chp->desc_fmt3);  in chp_update_desc()
488 int chp_new(struct chp_id chpid)  in chp_new()  argument
490 	struct channel_subsystem *css = css_by_id(chpid.cssid);  in chp_new()
495 	if (chp_is_registered(chpid))  in chp_new()
504 	chp->chpid = chpid;  in chp_new()
519 	dev_set_name(&chp->dev, "chp%x.%02x", chpid.cssid, chpid.id);  in chp_new()
525 			      chpid.cssid, chpid.id, ret);  in chp_new()
537 	css->chps[chpid.id] = chp;  in chp_new()
553 struct channel_path_desc_fmt0 *chp_get_chp_desc(struct chp_id chpid)  in chp_get_chp_desc()  argument
558 	chp = chpid_to_chp(chpid);  in chp_get_chp_desc()
583 	struct chp_id chpid;  in chp_process_crw()  local
603 	chp_id_init(&chpid);  in chp_process_crw()
604 	chpid.id = crw0->rsid;  in chp_process_crw()
608 		chp_new(chpid);  in chp_process_crw()
609 		chsc_chp_online(chpid);  in chp_process_crw()
613 		chsc_chp_offline(chpid);  in chp_process_crw()
630 		if (!chp_id_is_equal(&ssd->chpid[i], &link->chpid))  in chp_ssd_get_mask()
678 int chp_info_get_status(struct chp_id chpid)  in chp_info_get_status()  argument
687 	bit = info_bit_num(chpid);  in chp_info_get_status()
703 static enum cfg_task_t cfg_get_task(struct chp_id chpid)  in cfg_get_task()  argument
705 	return chp_cfg_task[chpid.cssid][chpid.id];  in cfg_get_task()
709 static void cfg_set_task(struct chp_id chpid, enum cfg_task_t cfg)  in cfg_set_task()  argument
711 	chp_cfg_task[chpid.cssid][chpid.id] = cfg;  in cfg_set_task()
715 static enum cfg_task_t chp_cfg_fetch_task(struct chp_id *chpid)  in chp_cfg_fetch_task()  argument
719 	chp_id_for_each(chpid) {  in chp_cfg_fetch_task()
720 		t = cfg_get_task(*chpid);  in chp_cfg_fetch_task()
732 	struct chp_id chpid;  in cfg_func()  local
737 	t = chp_cfg_fetch_task(&chpid);  in cfg_func()
742 		rc = sclp_chp_configure(chpid);  in cfg_func()
745 				      "%d\n", chpid.cssid, chpid.id, rc);  in cfg_func()
748 			chsc_chp_online(chpid);  in cfg_func()
752 		rc = sclp_chp_deconfigure(chpid);  in cfg_func()
755 				      "%d\n", chpid.cssid, chpid.id, rc);  in cfg_func()
758 			chsc_chp_offline(chpid);  in cfg_func()
768 	if (t == cfg_get_task(chpid))  in cfg_func()
769 		cfg_set_task(chpid, cfg_none);  in cfg_func()
781 void chp_cfg_schedule(struct chp_id chpid, int configure)  in chp_cfg_schedule()  argument
783 	CIO_MSG_EVENT(2, "chp_cfg_sched%x.%02x=%d\n", chpid.cssid, chpid.id,  in chp_cfg_schedule()
786 	cfg_set_task(chpid, configure ? cfg_configure : cfg_deconfigure);  in chp_cfg_schedule()
798 void chp_cfg_cancel_deconfigure(struct chp_id chpid)  in chp_cfg_cancel_deconfigure()  argument
800 	CIO_MSG_EVENT(2, "chp_cfg_cancel:%x.%02x\n", chpid.cssid, chpid.id);  in chp_cfg_cancel_deconfigure()
802 	if (cfg_get_task(chpid) == cfg_deconfigure)  in chp_cfg_cancel_deconfigure()
803 		cfg_set_task(chpid, cfg_none);  in chp_cfg_cancel_deconfigure()
809 	struct chp_id chpid;  in cfg_idle()  local
813 	t = chp_cfg_fetch_task(&chpid);  in cfg_idle()
828 	struct chp_id chpid;  in chp_init()  local
838 	chp_id_for_each(&chpid) {  in chp_init()
839 		state = chp_info_get_status(chpid);  in chp_init()
842 			chp_new(chpid);  in chp_init()