90 int cio_set_options(struct subchannel *sch, int flags)  in cio_set_options()  argument
92 	struct io_subchannel_private *priv = to_io_private(sch);  in cio_set_options()
101 cio_start_handle_notoper(struct subchannel *sch, __u8 lpm)  in cio_start_handle_notoper()  argument
106 		sch->lpm &= ~lpm;  in cio_start_handle_notoper()
108 		sch->lpm = 0;  in cio_start_handle_notoper()
111 		      "subchannel 0.%x.%04x!\n", sch->schid.ssid,  in cio_start_handle_notoper()
112 		      sch->schid.sch_no);  in cio_start_handle_notoper()
114 	if (cio_update_schib(sch))  in cio_start_handle_notoper()
117 	sprintf(dbf_text, "no%s", dev_name(&sch->dev));  in cio_start_handle_notoper()
119 	CIO_HEX_EVENT(0, &sch->schib, sizeof (struct schib));  in cio_start_handle_notoper()
121 	return (sch->lpm ? -EACCES : -ENODEV);  in cio_start_handle_notoper()
125 cio_start_key (struct subchannel *sch,	/* subchannel structure */  in cio_start_key()  argument
130 	struct io_subchannel_private *priv = to_io_private(sch);  in cio_start_key()
135 	CIO_TRACE_EVENT(5, dev_name(&sch->dev));  in cio_start_key()
139 	orb->cmd.intparm = (u32)(addr_t)sch;  in cio_start_key()
145 	orb->cmd.lpm = (lpm != 0) ? lpm : sch->lpm;  in cio_start_key()
154 	ccode = ssch(sch->schid, orb);  in cio_start_key()
164 		sch->schib.scsw.cmd.actl |= SCSW_ACTL_START_PEND;  in cio_start_key()
170 		return cio_start_handle_notoper(sch, lpm);  in cio_start_key()
177 cio_start (struct subchannel *sch, struct ccw1 *cpa, __u8 lpm)  in cio_start()  argument
179 	return cio_start_key(sch, cpa, lpm, PAGE_DEFAULT_KEY);  in cio_start()
186 cio_resume (struct subchannel *sch)  in cio_resume()  argument
191 	CIO_TRACE_EVENT(4, dev_name(&sch->dev));  in cio_resume()
193 	ccode = rsch (sch->schid);  in cio_resume()
199 		sch->schib.scsw.cmd.actl |= SCSW_ACTL_RESUME_PEND;  in cio_resume()
218 cio_halt(struct subchannel *sch)  in cio_halt()  argument
222 	if (!sch)  in cio_halt()
226 	CIO_TRACE_EVENT(2, dev_name(&sch->dev));  in cio_halt()
231 	ccode = hsch (sch->schid);  in cio_halt()
237 		sch->schib.scsw.cmd.actl |= SCSW_ACTL_HALT_PEND;  in cio_halt()
251 cio_clear(struct subchannel *sch)  in cio_clear()  argument
255 	if (!sch)  in cio_clear()
259 	CIO_TRACE_EVENT(2, dev_name(&sch->dev));  in cio_clear()
264 	ccode = csch (sch->schid);  in cio_clear()
270 		sch->schib.scsw.cmd.actl |= SCSW_ACTL_CLEAR_PEND;  in cio_clear()
285 cio_cancel (struct subchannel *sch)  in cio_cancel()  argument
289 	if (!sch)  in cio_cancel()
293 	CIO_TRACE_EVENT(2, dev_name(&sch->dev));  in cio_cancel()
295 	ccode = xsch (sch->schid);  in cio_cancel()
302 		if (cio_update_schib(sch))  in cio_cancel()
315 static void cio_apply_config(struct subchannel *sch, struct schib *schib)  in cio_apply_config()  argument
317 	schib->pmcw.intparm = sch->config.intparm;  in cio_apply_config()
318 	schib->pmcw.mbi = sch->config.mbi;  in cio_apply_config()
319 	schib->pmcw.isc = sch->config.isc;  in cio_apply_config()
320 	schib->pmcw.ena = sch->config.ena;  in cio_apply_config()
321 	schib->pmcw.mme = sch->config.mme;  in cio_apply_config()
322 	schib->pmcw.mp = sch->config.mp;  in cio_apply_config()
323 	schib->pmcw.csense = sch->config.csense;  in cio_apply_config()
324 	schib->pmcw.mbfc = sch->config.mbfc;  in cio_apply_config()
325 	if (sch->config.mbfc)  in cio_apply_config()
326 		schib->mba = sch->config.mba;  in cio_apply_config()
329 static int cio_check_config(struct subchannel *sch, struct schib *schib)  in cio_check_config()  argument
331 	return (schib->pmcw.intparm == sch->config.intparm) &&  in cio_check_config()
332 		(schib->pmcw.mbi == sch->config.mbi) &&  in cio_check_config()
333 		(schib->pmcw.isc == sch->config.isc) &&  in cio_check_config()
334 		(schib->pmcw.ena == sch->config.ena) &&  in cio_check_config()
335 		(schib->pmcw.mme == sch->config.mme) &&  in cio_check_config()
336 		(schib->pmcw.mp == sch->config.mp) &&  in cio_check_config()
337 		(schib->pmcw.csense == sch->config.csense) &&  in cio_check_config()
338 		(schib->pmcw.mbfc == sch->config.mbfc) &&  in cio_check_config()
339 		(!sch->config.mbfc || (schib->mba == sch->config.mba));  in cio_check_config()
345 int cio_commit_config(struct subchannel *sch)  in cio_commit_config()  argument
351 	if (stsch_err(sch->schid, &schib) || !css_sch_is_valid(&schib))  in cio_commit_config()
356 		cio_apply_config(sch, &schib);  in cio_commit_config()
357 		ccode = msch_err(sch->schid, &schib);  in cio_commit_config()
362 			if (stsch_err(sch->schid, &schib) ||  in cio_commit_config()
365 			if (cio_check_config(sch, &schib)) {  in cio_commit_config()
367 				memcpy(&sch->schib, &schib, sizeof(schib));  in cio_commit_config()
374 			if (tsch(sch->schid, &irb))  in cio_commit_config()
393 int cio_update_schib(struct subchannel *sch)  in cio_update_schib()  argument
397 	if (stsch_err(sch->schid, &schib) || !css_sch_is_valid(&schib))  in cio_update_schib()
400 	memcpy(&sch->schib, &schib, sizeof(schib));  in cio_update_schib()
410 int cio_enable_subchannel(struct subchannel *sch, u32 intparm)  in cio_enable_subchannel()  argument
415 	CIO_TRACE_EVENT(2, dev_name(&sch->dev));  in cio_enable_subchannel()
417 	if (sch_is_pseudo_sch(sch))  in cio_enable_subchannel()
419 	if (cio_update_schib(sch))  in cio_enable_subchannel()
422 	sch->config.ena = 1;  in cio_enable_subchannel()
423 	sch->config.isc = sch->isc;  in cio_enable_subchannel()
424 	sch->config.intparm = intparm;  in cio_enable_subchannel()
426 	ret = cio_commit_config(sch);  in cio_enable_subchannel()
432 		sch->config.csense = 0;  in cio_enable_subchannel()
433 		ret = cio_commit_config(sch);  in cio_enable_subchannel()
444 int cio_disable_subchannel(struct subchannel *sch)  in cio_disable_subchannel()  argument
449 	CIO_TRACE_EVENT(2, dev_name(&sch->dev));  in cio_disable_subchannel()
451 	if (sch_is_pseudo_sch(sch))  in cio_disable_subchannel()
453 	if (cio_update_schib(sch))  in cio_disable_subchannel()
456 	sch->config.ena = 0;  in cio_disable_subchannel()
457 	ret = cio_commit_config(sch);  in cio_disable_subchannel()
464 static int cio_check_devno_blacklisted(struct subchannel *sch)  in cio_check_devno_blacklisted()  argument
466 	if (is_blacklisted(sch->schid.ssid, sch->schib.pmcw.dev)) {  in cio_check_devno_blacklisted()
473 			      sch->schib.pmcw.dev, sch->schid.ssid);  in cio_check_devno_blacklisted()
479 static int cio_validate_io_subchannel(struct subchannel *sch)  in cio_validate_io_subchannel()  argument
482 	if (!css_sch_is_valid(&sch->schib))  in cio_validate_io_subchannel()
486 	return cio_check_devno_blacklisted(sch);  in cio_validate_io_subchannel()
489 static int cio_validate_msg_subchannel(struct subchannel *sch)  in cio_validate_msg_subchannel()  argument
492 	if (!css_sch_is_valid(&sch->schib))  in cio_validate_msg_subchannel()
496 	return cio_check_devno_blacklisted(sch);  in cio_validate_msg_subchannel()
511 int cio_validate_subchannel(struct subchannel *sch, struct subchannel_id schid)  in cio_validate_subchannel()  argument
526 	ccode = stsch_err(schid, &sch->schib);  in cio_validate_subchannel()
531 	sch->st = sch->schib.pmcw.st;  in cio_validate_subchannel()
532 	sch->schid = schid;  in cio_validate_subchannel()
534 	switch (sch->st) {  in cio_validate_subchannel()
536 		err = cio_validate_io_subchannel(sch);  in cio_validate_subchannel()
539 		err = cio_validate_msg_subchannel(sch);  in cio_validate_subchannel()
548 		      sch->schid.ssid, sch->schid.sch_no, sch->st);  in cio_validate_subchannel()
559 	struct subchannel *sch;  in do_cio_interrupt()  local
565 	sch = (struct subchannel *)(unsigned long) tpi_info->intparm;  in do_cio_interrupt()
566 	if (!sch) {  in do_cio_interrupt()
572 	spin_lock(sch->lock);  in do_cio_interrupt()
576 		memcpy (&sch->schib.scsw, &irb->scsw, sizeof (irb->scsw));  in do_cio_interrupt()
578 		if (sch->driver && sch->driver->irq)  in do_cio_interrupt()
579 			sch->driver->irq(sch);  in do_cio_interrupt()
584 	spin_unlock(sch->lock);  in do_cio_interrupt()
609 void cio_tsch(struct subchannel *sch)  in cio_tsch()  argument
616 	if (tsch(sch->schid, irb) != 0)  in cio_tsch()
619 	memcpy(&sch->schib.scsw, &irb->scsw, sizeof(union scsw));  in cio_tsch()
627 	if (sch->driver && sch->driver->irq)  in cio_tsch()
628 		sch->driver->irq(sch);  in cio_tsch()
674 	struct subchannel *sch;  in cio_probe_console()  local
684 	sch = css_alloc_subchannel(schid);  in cio_probe_console()
685 	if (IS_ERR(sch))  in cio_probe_console()
686 		return sch;  in cio_probe_console()
688 	lockdep_set_class(sch->lock, &console_sch_key);  in cio_probe_console()
690 	sch->config.isc = CONSOLE_ISC;  in cio_probe_console()
691 	sch->config.intparm = (u32)(addr_t)sch;  in cio_probe_console()
692 	ret = cio_commit_config(sch);  in cio_probe_console()
695 		put_device(&sch->dev);  in cio_probe_console()
698 	console_sch = sch;  in cio_probe_console()
699 	return sch;  in cio_probe_console()
974 int cio_tm_start_key(struct subchannel *sch, struct tcw *tcw, u8 lpm, u8 key)  in cio_tm_start_key()  argument
977 	union orb *orb = &to_io_private(sch)->orb;  in cio_tm_start_key()
980 	orb->tm.intparm = (u32) (addr_t) sch;  in cio_tm_start_key()
983 	orb->tm.lpm = lpm ? lpm : sch->lpm;  in cio_tm_start_key()
985 	cc = ssch(sch->schid, orb);  in cio_tm_start_key()
993 		return cio_start_handle_notoper(sch, lpm);  in cio_tm_start_key()
1004 int cio_tm_intrg(struct subchannel *sch)  in cio_tm_intrg()  argument
1008 	if (!to_io_private(sch)->orb.tm.b)  in cio_tm_intrg()
1010 	cc = xsch(sch->schid);  in cio_tm_intrg()