isp_freebsd.c revision 315813
1/*-
2 * Copyright (c) 1997-2009 by Matthew Jacob
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice immediately at the beginning of the file, without modification,
10 *    this list of conditions, and the following disclaimer.
11 * 2. The name of the author may not be used to endorse or promote products
12 *    derived from this software without specific prior written permission.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27/*
28 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters.
29 */
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD: stable/10/sys/dev/isp/isp_freebsd.c 315813 2017-03-23 06:41:13Z mav $");
32
33#include <dev/isp/isp_freebsd.h>
34#include <sys/unistd.h>
35#include <sys/kthread.h>
36#include <sys/conf.h>
37#include <sys/module.h>
38#include <sys/ioccom.h>
39#include <dev/isp/isp_ioctl.h>
40#include <sys/devicestat.h>
41#include <cam/cam_periph.h>
42#include <cam/cam_xpt_periph.h>
43
44MODULE_VERSION(isp, 1);
45MODULE_DEPEND(isp, cam, 1, 1, 1);
46int isp_announced = 0;
47int isp_loop_down_limit = 60;	/* default loop down limit */
48int isp_quickboot_time = 7;	/* don't wait more than N secs for loop up */
49int isp_gone_device_time = 30;	/* grace time before reporting device lost */
50static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s";
51
52static void isp_freeze_loopdown(ispsoftc_t *, int);
53static void isp_loop_changed(ispsoftc_t *isp, int chan);
54static d_ioctl_t ispioctl;
55static void isp_intr_enable(void *);
56static void isp_cam_async(void *, uint32_t, struct cam_path *, void *);
57static void isp_poll(struct cam_sim *);
58static timeout_t isp_watchdog;
59static timeout_t isp_gdt;
60static task_fn_t isp_gdt_task;
61static void isp_kthread(void *);
62static void isp_action(struct cam_sim *, union ccb *);
63static int isp_timer_count;
64static void isp_timer(void *);
65
66static struct cdevsw isp_cdevsw = {
67	.d_version =	D_VERSION,
68	.d_ioctl =	ispioctl,
69	.d_name =	"isp",
70};
71
72static int
73isp_role_sysctl(SYSCTL_HANDLER_ARGS)
74{
75	ispsoftc_t *isp = (ispsoftc_t *)arg1;
76	int chan = arg2;
77	int error, old, value;
78
79	value = FCPARAM(isp, chan)->role;
80
81	error = sysctl_handle_int(oidp, &value, 0, req);
82	if ((error != 0) || (req->newptr == NULL))
83		return (error);
84
85	if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH)
86		return (EINVAL);
87
88	ISP_LOCK(isp);
89	old = FCPARAM(isp, chan)->role;
90
91	/* We don't allow target mode switch from here. */
92	value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR);
93
94	/* If nothing has changed -- we are done. */
95	if (value == old) {
96		ISP_UNLOCK(isp);
97		return (0);
98	}
99
100	/* Actually change the role. */
101	error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value);
102	ISP_UNLOCK(isp);
103	return (error);
104}
105
106static int
107isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
108{
109	struct ccb_setasync csa;
110	struct cam_sim *sim;
111	struct cam_path *path;
112#ifdef	ISP_TARGET_MODE
113	int i;
114#endif
115
116	/*
117	 * Construct our SIM entry.
118	 */
119	sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, device_get_unit(isp->isp_dev), &isp->isp_osinfo.lock, isp->isp_maxcmds, isp->isp_maxcmds, devq);
120
121	if (sim == NULL) {
122		return (ENOMEM);
123	}
124
125	ISP_LOCK(isp);
126	if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) {
127		ISP_UNLOCK(isp);
128		cam_sim_free(sim, FALSE);
129		return (EIO);
130	}
131	ISP_UNLOCK(isp);
132	if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
133		ISP_LOCK(isp);
134		xpt_bus_deregister(cam_sim_path(sim));
135		ISP_UNLOCK(isp);
136		cam_sim_free(sim, FALSE);
137		return (ENXIO);
138	}
139	xpt_setup_ccb(&csa.ccb_h, path, 5);
140	csa.ccb_h.func_code = XPT_SASYNC_CB;
141	csa.event_enable = AC_LOST_DEVICE;
142	csa.callback = isp_cam_async;
143	csa.callback_arg = sim;
144
145	ISP_LOCK(isp);
146	xpt_action((union ccb *)&csa);
147	ISP_UNLOCK(isp);
148
149	if (IS_SCSI(isp)) {
150		struct isp_spi *spi = ISP_SPI_PC(isp, chan);
151		spi->sim = sim;
152		spi->path = path;
153#ifdef	ISP_TARGET_MODE
154		TAILQ_INIT(&spi->waitq);
155		STAILQ_INIT(&spi->ntfree);
156		for (i = 0; i < ATPDPSIZE; i++)
157			STAILQ_INSERT_TAIL(&spi->ntfree, &spi->ntpool[i], next);
158		LIST_INIT(&spi->atfree);
159		for (i = ATPDPSIZE-1; i >= 0; i--)
160			LIST_INSERT_HEAD(&spi->atfree, &spi->atpool[i], next);
161		for (i = 0; i < ATPDPHASHSIZE; i++)
162			LIST_INIT(&spi->atused[i]);
163#endif
164	} else {
165		fcparam *fcp = FCPARAM(isp, chan);
166		struct isp_fc *fc = ISP_FC_PC(isp, chan);
167		struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev);
168		struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev);
169		char name[16];
170
171		ISP_LOCK(isp);
172		fc->sim = sim;
173		fc->path = path;
174		fc->isp = isp;
175		fc->ready = 1;
176
177		callout_init_mtx(&fc->gdt, &isp->isp_osinfo.lock, 0);
178		TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc);
179#ifdef	ISP_TARGET_MODE
180		TAILQ_INIT(&fc->waitq);
181		STAILQ_INIT(&fc->ntfree);
182		for (i = 0; i < ATPDPSIZE; i++)
183			STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next);
184		LIST_INIT(&fc->atfree);
185		for (i = ATPDPSIZE-1; i >= 0; i--)
186			LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next);
187		for (i = 0; i < ATPDPHASHSIZE; i++)
188			LIST_INIT(&fc->atused[i]);
189#endif
190		isp_loop_changed(isp, chan);
191		ISP_UNLOCK(isp);
192		if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0,
193		    "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
194			xpt_free_path(fc->path);
195			ISP_LOCK(isp);
196			xpt_bus_deregister(cam_sim_path(fc->sim));
197			ISP_UNLOCK(isp);
198			cam_sim_free(fc->sim, FALSE);
199			return (ENOMEM);
200		}
201		fc->num_threads += 1;
202		if (chan > 0) {
203			snprintf(name, sizeof(name), "chan%d", chan);
204			tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree),
205			    OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel");
206		}
207		SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
208		    "wwnn", CTLFLAG_RD, &fcp->isp_wwnn,
209		    "World Wide Node Name");
210		SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
211		    "wwpn", CTLFLAG_RD, &fcp->isp_wwpn,
212		    "World Wide Port Name");
213		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
214		    "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0,
215		    "Loop Down Limit");
216		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
217		    "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0,
218		    "Gone Device Time");
219#if defined(ISP_TARGET_MODE) && defined(DEBUG)
220		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
221		    "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0,
222		    "Cause a Lost Frame on a Read");
223#endif
224		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
225		    "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan,
226		    isp_role_sysctl, "I", "Current role");
227		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
228		    "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0,
229		    "Connection speed in gigabits");
230		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
231		    "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0,
232		    "Link state");
233		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
234		    "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0,
235		    "Firmware state");
236		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
237		    "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0,
238		    "Loop state");
239		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
240		    "topo", CTLFLAG_RD, &fcp->isp_topo, 0,
241		    "Connection topology");
242	}
243	return (0);
244}
245
246static void
247isp_detach_chan(ispsoftc_t *isp, int chan)
248{
249	struct cam_sim *sim;
250	struct cam_path *path;
251	struct ccb_setasync csa;
252	int *num_threads;
253
254	ISP_GET_PC(isp, chan, sim, sim);
255	ISP_GET_PC(isp, chan, path, path);
256	ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads);
257
258	xpt_setup_ccb(&csa.ccb_h, path, 5);
259	csa.ccb_h.func_code = XPT_SASYNC_CB;
260	csa.event_enable = 0;
261	csa.callback = isp_cam_async;
262	csa.callback_arg = sim;
263	xpt_action((union ccb *)&csa);
264	xpt_free_path(path);
265	xpt_bus_deregister(cam_sim_path(sim));
266	cam_sim_free(sim, FALSE);
267
268	/* Wait for the channel's spawned threads to exit. */
269	wakeup(isp->isp_osinfo.pc.ptr);
270	while (*num_threads != 0)
271		mtx_sleep(isp, &isp->isp_osinfo.lock, PRIBIO, "isp_reap", 100);
272}
273
274int
275isp_attach(ispsoftc_t *isp)
276{
277	const char *nu = device_get_nameunit(isp->isp_osinfo.dev);
278	int du = device_get_unit(isp->isp_dev);
279	int chan;
280
281	isp->isp_osinfo.ehook.ich_func = isp_intr_enable;
282	isp->isp_osinfo.ehook.ich_arg = isp;
283	/*
284	 * Haha. Set this first, because if we're loaded as a module isp_intr_enable
285	 * will be called right awawy, which will clear isp_osinfo.ehook_active,
286	 * which would be unwise to then set again later.
287	 */
288	isp->isp_osinfo.ehook_active = 1;
289	if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) {
290		isp_prt(isp, ISP_LOGERR, "could not establish interrupt enable hook");
291		return (-EIO);
292	}
293
294	/*
295	 * Create the device queue for our SIM(s).
296	 */
297	isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds);
298	if (isp->isp_osinfo.devq == NULL) {
299		config_intrhook_disestablish(&isp->isp_osinfo.ehook);
300		return (EIO);
301	}
302
303	for (chan = 0; chan < isp->isp_nchan; chan++) {
304		if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) {
305			goto unwind;
306		}
307	}
308
309	callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_osinfo.lock, 0);
310	isp_timer_count = hz >> 2;
311	callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
312	isp->isp_osinfo.timer_active = 1;
313
314	isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu);
315	if (isp->isp_osinfo.cdev) {
316		isp->isp_osinfo.cdev->si_drv1 = isp;
317	}
318	return (0);
319
320unwind:
321	while (--chan >= 0) {
322		struct cam_sim *sim;
323		struct cam_path *path;
324
325		ISP_GET_PC(isp, chan, sim, sim);
326		ISP_GET_PC(isp, chan, path, path);
327		xpt_free_path(path);
328		ISP_LOCK(isp);
329		xpt_bus_deregister(cam_sim_path(sim));
330		ISP_UNLOCK(isp);
331		cam_sim_free(sim, FALSE);
332	}
333	if (isp->isp_osinfo.ehook_active) {
334		config_intrhook_disestablish(&isp->isp_osinfo.ehook);
335		isp->isp_osinfo.ehook_active = 0;
336	}
337	if (isp->isp_osinfo.cdev) {
338		destroy_dev(isp->isp_osinfo.cdev);
339		isp->isp_osinfo.cdev = NULL;
340	}
341	cam_simq_free(isp->isp_osinfo.devq);
342	isp->isp_osinfo.devq = NULL;
343	return (-1);
344}
345
346int
347isp_detach(ispsoftc_t *isp)
348{
349	struct cam_sim *sim;
350	int chan;
351
352	ISP_LOCK(isp);
353	for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
354		ISP_GET_PC(isp, chan, sim, sim);
355		if (sim->refcount > 2) {
356			ISP_UNLOCK(isp);
357			return (EBUSY);
358		}
359	}
360	/* Tell spawned threads that we're exiting. */
361	isp->isp_osinfo.is_exiting = 1;
362	if (isp->isp_osinfo.timer_active) {
363		callout_stop(&isp->isp_osinfo.tmo);
364		isp->isp_osinfo.timer_active = 0;
365	}
366	for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1)
367		isp_detach_chan(isp, chan);
368	ISP_UNLOCK(isp);
369
370	if (isp->isp_osinfo.cdev) {
371		destroy_dev(isp->isp_osinfo.cdev);
372		isp->isp_osinfo.cdev = NULL;
373	}
374	if (isp->isp_osinfo.ehook_active) {
375		config_intrhook_disestablish(&isp->isp_osinfo.ehook);
376		isp->isp_osinfo.ehook_active = 0;
377	}
378	if (isp->isp_osinfo.devq != NULL) {
379		cam_simq_free(isp->isp_osinfo.devq);
380		isp->isp_osinfo.devq = NULL;
381	}
382	return (0);
383}
384
385static void
386isp_freeze_loopdown(ispsoftc_t *isp, int chan)
387{
388	if (IS_FC(isp)) {
389		struct isp_fc *fc = ISP_FC_PC(isp, chan);
390		if (fc->simqfrozen == 0) {
391			isp_prt(isp, ISP_LOGDEBUG0,
392			    "Chan %d Freeze simq (loopdown)", chan);
393			fc->simqfrozen = SIMQFRZ_LOOPDOWN;
394#if __FreeBSD_version >= 1000039
395			xpt_hold_boot();
396#endif
397			xpt_freeze_simq(fc->sim, 1);
398		} else {
399			isp_prt(isp, ISP_LOGDEBUG0,
400			    "Chan %d Mark simq frozen (loopdown)", chan);
401			fc->simqfrozen |= SIMQFRZ_LOOPDOWN;
402		}
403	}
404}
405
406static void
407isp_unfreeze_loopdown(ispsoftc_t *isp, int chan)
408{
409	if (IS_FC(isp)) {
410		struct isp_fc *fc = ISP_FC_PC(isp, chan);
411		int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN;
412		fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN;
413		if (wasfrozen && fc->simqfrozen == 0) {
414			isp_prt(isp, ISP_LOGDEBUG0,
415			    "Chan %d Release simq", chan);
416			xpt_release_simq(fc->sim, 1);
417#if __FreeBSD_version >= 1000039
418			xpt_release_boot();
419#endif
420		}
421	}
422}
423
424
425static int
426ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td)
427{
428	ispsoftc_t *isp;
429	int nr, chan, retval = ENOTTY;
430
431	isp = dev->si_drv1;
432
433	switch (c) {
434	case ISP_SDBLEV:
435	{
436		int olddblev = isp->isp_dblev;
437		isp->isp_dblev = *(int *)addr;
438		*(int *)addr = olddblev;
439		retval = 0;
440		break;
441	}
442	case ISP_GETROLE:
443		chan = *(int *)addr;
444		if (chan < 0 || chan >= isp->isp_nchan) {
445			retval = -ENXIO;
446			break;
447		}
448		if (IS_FC(isp)) {
449			*(int *)addr = FCPARAM(isp, chan)->role;
450		} else {
451			*(int *)addr = ISP_ROLE_INITIATOR;
452		}
453		retval = 0;
454		break;
455	case ISP_SETROLE:
456		if (IS_SCSI(isp))
457			break;
458		nr = *(int *)addr;
459		chan = nr >> 8;
460		if (chan < 0 || chan >= isp->isp_nchan) {
461			retval = -ENXIO;
462			break;
463		}
464		nr &= 0xff;
465		if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
466			retval = EINVAL;
467			break;
468		}
469		ISP_LOCK(isp);
470		*(int *)addr = FCPARAM(isp, chan)->role;
471		retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr);
472		ISP_UNLOCK(isp);
473		retval = 0;
474		break;
475
476	case ISP_RESETHBA:
477		ISP_LOCK(isp);
478		isp_reinit(isp, 0);
479		ISP_UNLOCK(isp);
480		retval = 0;
481		break;
482
483	case ISP_RESCAN:
484		if (IS_FC(isp)) {
485			chan = *(int *)addr;
486			if (chan < 0 || chan >= isp->isp_nchan) {
487				retval = -ENXIO;
488				break;
489			}
490			ISP_LOCK(isp);
491			if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) {
492				retval = EIO;
493			} else {
494				retval = 0;
495			}
496			ISP_UNLOCK(isp);
497		}
498		break;
499
500	case ISP_FC_LIP:
501		if (IS_FC(isp)) {
502			chan = *(int *)addr;
503			if (chan < 0 || chan >= isp->isp_nchan) {
504				retval = -ENXIO;
505				break;
506			}
507			ISP_LOCK(isp);
508			if (isp_control(isp, ISPCTL_SEND_LIP, chan)) {
509				retval = EIO;
510			} else {
511				retval = 0;
512			}
513			ISP_UNLOCK(isp);
514		}
515		break;
516	case ISP_FC_GETDINFO:
517	{
518		struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
519		fcportdb_t *lp;
520
521		if (IS_SCSI(isp)) {
522			break;
523		}
524		if (ifc->loopid >= MAX_FC_TARG) {
525			retval = EINVAL;
526			break;
527		}
528		lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid];
529		if (lp->state != FC_PORTDB_STATE_NIL) {
530			ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
531			ifc->loopid = lp->handle;
532			ifc->portid = lp->portid;
533			ifc->node_wwn = lp->node_wwn;
534			ifc->port_wwn = lp->port_wwn;
535			retval = 0;
536		} else {
537			retval = ENODEV;
538		}
539		break;
540	}
541	case ISP_GET_STATS:
542	{
543		isp_stats_t *sp = (isp_stats_t *) addr;
544
545		ISP_MEMZERO(sp, sizeof (*sp));
546		sp->isp_stat_version = ISP_STATS_VERSION;
547		sp->isp_type = isp->isp_type;
548		sp->isp_revision = isp->isp_revision;
549		ISP_LOCK(isp);
550		sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt;
551		sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus;
552		sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc;
553		sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync;
554		sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt;
555		sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt;
556		sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater;
557		sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater;
558		ISP_UNLOCK(isp);
559		retval = 0;
560		break;
561	}
562	case ISP_CLR_STATS:
563		ISP_LOCK(isp);
564		isp->isp_intcnt = 0;
565		isp->isp_intbogus = 0;
566		isp->isp_intmboxc = 0;
567		isp->isp_intoasync = 0;
568		isp->isp_rsltccmplt = 0;
569		isp->isp_fphccmplt = 0;
570		isp->isp_rscchiwater = 0;
571		isp->isp_fpcchiwater = 0;
572		ISP_UNLOCK(isp);
573		retval = 0;
574		break;
575	case ISP_FC_GETHINFO:
576	{
577		struct isp_hba_device *hba = (struct isp_hba_device *) addr;
578		int chan = hba->fc_channel;
579
580		if (chan < 0 || chan >= isp->isp_nchan) {
581			retval = ENXIO;
582			break;
583		}
584		hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
585		hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
586		hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
587		hba->fc_nchannels = isp->isp_nchan;
588		if (IS_FC(isp)) {
589			hba->fc_nports = MAX_FC_TARG;
590			hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed;
591			hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1;
592			hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid;
593			hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram;
594			hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram;
595			hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn;
596			hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn;
597		} else {
598			hba->fc_nports = MAX_TARGETS;
599			hba->fc_speed = 0;
600			hba->fc_topology = 0;
601			hba->nvram_node_wwn = 0ull;
602			hba->nvram_port_wwn = 0ull;
603			hba->active_node_wwn = 0ull;
604			hba->active_port_wwn = 0ull;
605		}
606		retval = 0;
607		break;
608	}
609	case ISP_TSK_MGMT:
610	{
611		int needmarker;
612		struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
613		uint16_t nphdl;
614		mbreg_t mbs;
615
616		if (IS_SCSI(isp)) {
617			break;
618		}
619
620		chan = fct->chan;
621		if (chan < 0 || chan >= isp->isp_nchan) {
622			retval = -ENXIO;
623			break;
624		}
625
626		needmarker = retval = 0;
627		nphdl = fct->loopid;
628		ISP_LOCK(isp);
629		if (IS_24XX(isp)) {
630			void *reqp;
631			uint8_t resp[QENTRY_LEN];
632			isp24xx_tmf_t tmf;
633			isp24xx_statusreq_t sp;
634			fcparam *fcp = FCPARAM(isp, chan);
635			fcportdb_t *lp;
636			int i;
637
638			for (i = 0; i < MAX_FC_TARG; i++) {
639				lp = &fcp->portdb[i];
640				if (lp->handle == nphdl) {
641					break;
642				}
643			}
644			if (i == MAX_FC_TARG) {
645				retval = ENXIO;
646				ISP_UNLOCK(isp);
647				break;
648			}
649			ISP_MEMZERO(&tmf, sizeof(tmf));
650			tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT;
651			tmf.tmf_header.rqs_entry_count = 1;
652			tmf.tmf_nphdl = lp->handle;
653			tmf.tmf_delay = 2;
654			tmf.tmf_timeout = 4;
655			tmf.tmf_tidlo = lp->portid;
656			tmf.tmf_tidhi = lp->portid >> 16;
657			tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan);
658			tmf.tmf_lun[1] = fct->lun & 0xff;
659			if (fct->lun >= 256) {
660				tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8);
661			}
662			switch (fct->action) {
663			case IPT_CLEAR_ACA:
664				tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA;
665				break;
666			case IPT_TARGET_RESET:
667				tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET;
668				needmarker = 1;
669				break;
670			case IPT_LUN_RESET:
671				tmf.tmf_flags = ISP24XX_TMF_LUN_RESET;
672				needmarker = 1;
673				break;
674			case IPT_CLEAR_TASK_SET:
675				tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET;
676				needmarker = 1;
677				break;
678			case IPT_ABORT_TASK_SET:
679				tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET;
680				needmarker = 1;
681				break;
682			default:
683				retval = EINVAL;
684				break;
685			}
686			if (retval) {
687				ISP_UNLOCK(isp);
688				break;
689			}
690
691			/* Prepare space for response in memory */
692			memset(resp, 0xff, sizeof(resp));
693			tmf.tmf_handle = isp_allocate_handle(isp, resp,
694			    ISP_HANDLE_CTRL);
695			if (tmf.tmf_handle == 0) {
696				isp_prt(isp, ISP_LOGERR,
697				    "%s: TMF of Chan %d out of handles",
698				    __func__, chan);
699				ISP_UNLOCK(isp);
700				retval = ENOMEM;
701				break;
702			}
703
704			/* Send request and wait for response. */
705			reqp = isp_getrqentry(isp);
706			if (reqp == NULL) {
707				isp_prt(isp, ISP_LOGERR,
708				    "%s: TMF of Chan %d out of rqent",
709				    __func__, chan);
710				isp_destroy_handle(isp, tmf.tmf_handle);
711				ISP_UNLOCK(isp);
712				retval = EIO;
713				break;
714			}
715			isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp);
716			if (isp->isp_dblev & ISP_LOGDEBUG1)
717				isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp);
718			ISP_SYNC_REQUEST(isp);
719			if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) {
720				isp_prt(isp, ISP_LOGERR,
721				    "%s: TMF of Chan %d timed out",
722				    __func__, chan);
723				isp_destroy_handle(isp, tmf.tmf_handle);
724				ISP_UNLOCK(isp);
725				retval = EIO;
726				break;
727			}
728			if (isp->isp_dblev & ISP_LOGDEBUG1)
729				isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp);
730			isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp);
731
732			if (sp.req_completion_status != 0)
733				retval = EIO;
734			else if (needmarker)
735				fcp->sendmarker = 1;
736		} else {
737			MBSINIT(&mbs, 0, MBLOGALL, 0);
738			if (ISP_CAP_2KLOGIN(isp) == 0) {
739				nphdl <<= 8;
740			}
741			switch (fct->action) {
742			case IPT_CLEAR_ACA:
743				mbs.param[0] = MBOX_CLEAR_ACA;
744				mbs.param[1] = nphdl;
745				mbs.param[2] = fct->lun;
746				break;
747			case IPT_TARGET_RESET:
748				mbs.param[0] = MBOX_TARGET_RESET;
749				mbs.param[1] = nphdl;
750				needmarker = 1;
751				break;
752			case IPT_LUN_RESET:
753				mbs.param[0] = MBOX_LUN_RESET;
754				mbs.param[1] = nphdl;
755				mbs.param[2] = fct->lun;
756				needmarker = 1;
757				break;
758			case IPT_CLEAR_TASK_SET:
759				mbs.param[0] = MBOX_CLEAR_TASK_SET;
760				mbs.param[1] = nphdl;
761				mbs.param[2] = fct->lun;
762				needmarker = 1;
763				break;
764			case IPT_ABORT_TASK_SET:
765				mbs.param[0] = MBOX_ABORT_TASK_SET;
766				mbs.param[1] = nphdl;
767				mbs.param[2] = fct->lun;
768				needmarker = 1;
769				break;
770			default:
771				retval = EINVAL;
772				break;
773			}
774			if (retval == 0) {
775				if (needmarker) {
776					FCPARAM(isp, chan)->sendmarker = 1;
777				}
778				retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
779				if (retval) {
780					retval = EIO;
781				}
782			}
783		}
784		ISP_UNLOCK(isp);
785		break;
786	}
787	default:
788		break;
789	}
790	return (retval);
791}
792
793static void
794isp_intr_enable(void *arg)
795{
796	int chan;
797	ispsoftc_t *isp = arg;
798	ISP_LOCK(isp);
799	if (IS_FC(isp)) {
800		for (chan = 0; chan < isp->isp_nchan; chan++) {
801			if (FCPARAM(isp, chan)->role != ISP_ROLE_NONE) {
802				ISP_ENABLE_INTS(isp);
803				break;
804			}
805		}
806	} else {
807		ISP_ENABLE_INTS(isp);
808	}
809	isp->isp_osinfo.ehook_active = 0;
810	ISP_UNLOCK(isp);
811	/* Release our hook so that the boot can continue. */
812	config_intrhook_disestablish(&isp->isp_osinfo.ehook);
813}
814
815/*
816 * Local Inlines
817 */
818
819static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *);
820static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *);
821
822static ISP_INLINE int
823isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
824{
825	ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
826	if (ISP_PCMD(ccb) == NULL) {
827		return (-1);
828	}
829	isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
830	return (0);
831}
832
833static ISP_INLINE void
834isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
835{
836	if (ISP_PCMD(ccb)) {
837#ifdef	ISP_TARGET_MODE
838		PISP_PCMD(ccb)->datalen = 0;
839		PISP_PCMD(ccb)->totslen = 0;
840		PISP_PCMD(ccb)->cumslen = 0;
841		PISP_PCMD(ccb)->crn = 0;
842#endif
843		PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free;
844		isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
845		ISP_PCMD(ccb) = NULL;
846	}
847}
848
849/*
850 * Put the target mode functions here, because some are inlines
851 */
852#ifdef	ISP_TARGET_MODE
853static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
854static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t);
855static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t);
856static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *);
857static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int);
858static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t);
859static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *);
860static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **);
861static void destroy_lun_state(ispsoftc_t *, int, tstate_t *);
862static void isp_enable_lun(ispsoftc_t *, union ccb *);
863static void isp_disable_lun(ispsoftc_t *, union ccb *);
864static timeout_t isp_refire_putback_atio;
865static timeout_t isp_refire_notify_ack;
866static void isp_complete_ctio(union ccb *);
867static void isp_target_putback_atio(union ccb *);
868enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE };
869static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How);
870static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
871static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *);
872static void isp_handle_platform_ctio(ispsoftc_t *, void *);
873static void isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *);
874static void isp_handle_platform_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *);
875static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp);
876static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *);
877static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t);
878
879static ISP_INLINE tstate_t *
880get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
881{
882	tstate_t *tptr = NULL;
883	struct tslist *lhp;
884
885	if (bus < isp->isp_nchan) {
886		ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
887		SLIST_FOREACH(tptr, lhp, next) {
888			if (tptr->ts_lun == lun)
889				return (tptr);
890		}
891	}
892	return (NULL);
893}
894
895static int
896isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr)
897{
898	inot_private_data_t *ntp;
899	struct ntpdlist rq;
900
901	if (STAILQ_EMPTY(&tptr->restart_queue))
902		return (0);
903	STAILQ_INIT(&rq);
904	STAILQ_CONCAT(&rq, &tptr->restart_queue);
905	while ((ntp = STAILQ_FIRST(&rq)) != NULL) {
906		STAILQ_REMOVE_HEAD(&rq, next);
907		if (IS_24XX(isp)) {
908			isp_prt(isp, ISP_LOGTDEBUG0,
909			    "%s: restarting resrc deprived %x", __func__,
910			    ((at7_entry_t *)ntp->data)->at_rxid);
911			isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data);
912		} else {
913			isp_prt(isp, ISP_LOGTDEBUG0,
914			    "%s: restarting resrc deprived %x", __func__,
915			    ((at2_entry_t *)ntp->data)->at_rxid);
916			isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->data);
917		}
918		isp_put_ntpd(isp, bus, ntp);
919		if (!STAILQ_EMPTY(&tptr->restart_queue))
920			break;
921	}
922	if (!STAILQ_EMPTY(&rq)) {
923		STAILQ_CONCAT(&rq, &tptr->restart_queue);
924		STAILQ_CONCAT(&tptr->restart_queue, &rq);
925	}
926	return (!STAILQ_EMPTY(&tptr->restart_queue));
927}
928
929static void
930isp_tmcmd_restart(ispsoftc_t *isp)
931{
932	tstate_t *tptr;
933	union ccb *ccb;
934	struct tslist *lhp;
935	struct isp_ccbq *waitq;
936	int bus, i;
937
938	for (bus = 0; bus < isp->isp_nchan; bus++) {
939		for (i = 0; i < LUN_HASH_SIZE; i++) {
940			ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
941			SLIST_FOREACH(tptr, lhp, next)
942				isp_atio_restart(isp, bus, tptr);
943		}
944
945		/*
946		 * We only need to do this once per channel.
947		 */
948		ISP_GET_PC_ADDR(isp, bus, waitq, waitq);
949		ccb = (union ccb *)TAILQ_FIRST(waitq);
950		if (ccb != NULL) {
951			TAILQ_REMOVE(waitq, &ccb->ccb_h, periph_links.tqe);
952			isp_target_start_ctio(isp, ccb, FROM_TIMER);
953		}
954	}
955}
956
957static atio_private_data_t *
958isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
959{
960	struct atpdlist *atfree;
961	struct atpdlist *atused;
962	atio_private_data_t *atp;
963
964	ISP_GET_PC_ADDR(isp, chan, atfree, atfree);
965	atp = LIST_FIRST(atfree);
966	if (atp) {
967		LIST_REMOVE(atp, next);
968		atp->tag = tag;
969		ISP_GET_PC(isp, chan, atused, atused);
970		LIST_INSERT_HEAD(&atused[ATPDPHASH(tag)], atp, next);
971	}
972	return (atp);
973}
974
975static atio_private_data_t *
976isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
977{
978	struct atpdlist *atused;
979	atio_private_data_t *atp;
980
981	ISP_GET_PC(isp, chan, atused, atused);
982	LIST_FOREACH(atp, &atused[ATPDPHASH(tag)], next) {
983		if (atp->tag == tag)
984			return (atp);
985	}
986	return (NULL);
987}
988
989static void
990isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp)
991{
992	struct atpdlist *atfree;
993
994	if (atp->ests) {
995		isp_put_ecmd(isp, atp->ests);
996	}
997	LIST_REMOVE(atp, next);
998	memset(atp, 0, sizeof (*atp));
999	ISP_GET_PC_ADDR(isp, chan, atfree, atfree);
1000	LIST_INSERT_HEAD(atfree, atp, next);
1001}
1002
1003static void
1004isp_dump_atpd(ispsoftc_t *isp, int chan)
1005{
1006	atio_private_data_t *atp, *atpool;
1007	const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" };
1008
1009	ISP_GET_PC(isp, chan, atpool, atpool);
1010	for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) {
1011		if (atp->state == ATPD_STATE_FREE)
1012			continue;
1013		isp_prt(isp, ISP_LOGALL, "Chan %d ATP [0x%x] origdlen %u bytes_xfrd %u lun %jx nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s",
1014		    chan, atp->tag, atp->orig_datalen, atp->bytes_xfered, (uintmax_t)atp->lun, atp->nphdl, atp->sid, atp->did, atp->oxid, states[atp->state & 0x7]);
1015	}
1016}
1017
1018static inot_private_data_t *
1019isp_get_ntpd(ispsoftc_t *isp, int chan)
1020{
1021	struct ntpdlist *ntfree;
1022	inot_private_data_t *ntp;
1023
1024	ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree);
1025	ntp = STAILQ_FIRST(ntfree);
1026	if (ntp)
1027		STAILQ_REMOVE_HEAD(ntfree, next);
1028	return (ntp);
1029}
1030
1031static inot_private_data_t *
1032isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id)
1033{
1034	inot_private_data_t *ntp, *ntp2;
1035
1036	ISP_GET_PC(isp, chan, ntpool, ntp);
1037	ISP_GET_PC_ADDR(isp, chan, ntpool[ATPDPSIZE], ntp2);
1038	for (; ntp < ntp2; ntp++) {
1039		if (ntp->tag_id == tag_id && ntp->seq_id == seq_id)
1040			return (ntp);
1041	}
1042	return (NULL);
1043}
1044
1045static void
1046isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp)
1047{
1048	struct ntpdlist *ntfree;
1049
1050	ntp->tag_id = ntp->seq_id = 0;
1051	ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree);
1052	STAILQ_INSERT_HEAD(ntfree, ntp, next);
1053}
1054
1055static cam_status
1056create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt)
1057{
1058	lun_id_t lun;
1059	struct tslist *lhp;
1060	tstate_t *tptr;
1061
1062	lun = xpt_path_lun_id(path);
1063	if (lun != CAM_LUN_WILDCARD) {
1064		if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) {
1065			return (CAM_LUN_INVALID);
1066		}
1067	}
1068	tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO);
1069	if (tptr == NULL) {
1070		return (CAM_RESRC_UNAVAIL);
1071	}
1072	tptr->ts_lun = lun;
1073	SLIST_INIT(&tptr->atios);
1074	SLIST_INIT(&tptr->inots);
1075	ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
1076	SLIST_INSERT_HEAD(lhp, tptr, next);
1077	*rslt = tptr;
1078	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n");
1079	return (CAM_REQ_CMP);
1080}
1081
1082static void
1083destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr)
1084{
1085	union ccb *ccb;
1086	struct tslist *lhp;
1087	inot_private_data_t *ntp;
1088
1089	while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) {
1090		SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1091		ccb->ccb_h.status = CAM_REQ_ABORTED;
1092		xpt_done(ccb);
1093	};
1094	while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) {
1095		SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
1096		ccb->ccb_h.status = CAM_REQ_ABORTED;
1097		xpt_done(ccb);
1098	}
1099	while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) {
1100		isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0);
1101		STAILQ_REMOVE_HEAD(&tptr->restart_queue, next);
1102		isp_put_ntpd(isp, bus, ntp);
1103	}
1104	ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp);
1105	SLIST_REMOVE(lhp, tptr, tstate, next);
1106	free(tptr, M_DEVBUF);
1107}
1108
1109static void
1110isp_enable_lun(ispsoftc_t *isp, union ccb *ccb)
1111{
1112	tstate_t *tptr;
1113	int bus;
1114	target_id_t target;
1115	lun_id_t lun;
1116
1117	if (!IS_FC(isp) || !ISP_CAP_TMODE(isp) || !ISP_CAP_SCCFW(isp)) {
1118		xpt_print(ccb->ccb_h.path, "Target mode is not supported\n");
1119		ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1120		xpt_done(ccb);
1121		return;
1122	}
1123
1124	/*
1125	 * We only support either target and lun both wildcard
1126	 * or target and lun both non-wildcard.
1127	 */
1128	bus = XS_CHANNEL(ccb);
1129	target = ccb->ccb_h.target_id;
1130	lun = ccb->ccb_h.target_lun;
1131	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1132	    "enabling lun %jx\n", (uintmax_t)lun);
1133	if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1134		ccb->ccb_h.status = CAM_LUN_INVALID;
1135		xpt_done(ccb);
1136		return;
1137	}
1138
1139	/* Create the state pointer. It should not already exist. */
1140	tptr = get_lun_statep(isp, bus, lun);
1141	if (tptr) {
1142		ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
1143		xpt_done(ccb);
1144		return;
1145	}
1146	ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
1147	if (ccb->ccb_h.status != CAM_REQ_CMP) {
1148		xpt_done(ccb);
1149		return;
1150	}
1151
1152	ccb->ccb_h.status = CAM_REQ_CMP;
1153	xpt_done(ccb);
1154}
1155
1156static void
1157isp_disable_lun(ispsoftc_t *isp, union ccb *ccb)
1158{
1159	tstate_t *tptr = NULL;
1160	int bus;
1161	target_id_t target;
1162	lun_id_t lun;
1163
1164	bus = XS_CHANNEL(ccb);
1165	target = ccb->ccb_h.target_id;
1166	lun = ccb->ccb_h.target_lun;
1167	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1168	    "disabling lun %jx\n", (uintmax_t)lun);
1169	if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1170		ccb->ccb_h.status = CAM_LUN_INVALID;
1171		xpt_done(ccb);
1172		return;
1173	}
1174
1175	/* Find the state pointer. */
1176	if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) {
1177		ccb->ccb_h.status = CAM_PATH_INVALID;
1178		xpt_done(ccb);
1179		return;
1180	}
1181
1182	destroy_lun_state(isp, bus, tptr);
1183	ccb->ccb_h.status = CAM_REQ_CMP;
1184	xpt_done(ccb);
1185}
1186
1187static void
1188isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how)
1189{
1190	int fctape, sendstatus, resid;
1191	fcparam *fcp;
1192	atio_private_data_t *atp;
1193	struct ccb_scsiio *cso;
1194	struct isp_ccbq *waitq;
1195	uint32_t dmaresult, handle, xfrlen, sense_length, tmp;
1196	uint8_t local[QENTRY_LEN];
1197
1198	isp_prt(isp, ISP_LOGTDEBUG0, "%s: ENTRY[0x%x] how %u xfrlen %u sendstatus %d sense_len %u", __func__, ccb->csio.tag_id, how, ccb->csio.dxfer_len,
1199	    (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0));
1200
1201	ISP_GET_PC_ADDR(isp, XS_CHANNEL(ccb), waitq, waitq);
1202	switch (how) {
1203	case FROM_CAM:
1204		/*
1205		 * Insert at the tail of the list, if any, waiting CTIO CCBs
1206		 */
1207		TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, periph_links.tqe);
1208		break;
1209	case FROM_TIMER:
1210	case FROM_SRR:
1211	case FROM_CTIO_DONE:
1212		TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1213		break;
1214	}
1215
1216	while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) {
1217		TAILQ_REMOVE(waitq, &ccb->ccb_h, periph_links.tqe);
1218
1219		cso = &ccb->csio;
1220		xfrlen = cso->dxfer_len;
1221		if (xfrlen == 0) {
1222			if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
1223				ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n");
1224				ccb->ccb_h.status = CAM_REQ_INVALID;
1225				xpt_done(ccb);
1226				continue;
1227			}
1228		}
1229
1230		atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id);
1231		if (atp == NULL) {
1232			isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__);
1233			isp_dump_atpd(isp, XS_CHANNEL(ccb));
1234			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1235			xpt_done(ccb);
1236			continue;
1237		}
1238
1239		/*
1240		 * Is this command a dead duck?
1241		 */
1242		if (atp->dead) {
1243			isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id);
1244			ccb->ccb_h.status = CAM_REQ_ABORTED;
1245			xpt_done(ccb);
1246			continue;
1247		}
1248
1249		/*
1250		 * Check to make sure we're still in target mode.
1251		 */
1252		fcp = FCPARAM(isp, XS_CHANNEL(ccb));
1253		if ((fcp->role & ISP_ROLE_TARGET) == 0) {
1254			isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id);
1255			ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1256			xpt_done(ccb);
1257			continue;
1258		}
1259
1260		/*
1261		 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which
1262		 * could be split into two CTIOs to split data and status).
1263		 */
1264		if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) {
1265			isp_prt(isp, ISP_LOGTINFO, "[0x%x] handling only %d CCBs at a time (flags for this ccb: 0x%x)", cso->tag_id, ATPD_CCB_OUTSTANDING, ccb->ccb_h.flags);
1266			TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1267			break;
1268		}
1269
1270		/*
1271		 * Does the initiator expect FC-Tape style responses?
1272		 */
1273		if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) {
1274			fctape = 1;
1275		} else {
1276			fctape = 0;
1277		}
1278
1279		/*
1280		 * If we already did the data xfer portion of a CTIO that sends data
1281		 * and status, don't do it again and do the status portion now.
1282		 */
1283		if (atp->sendst) {
1284			isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u",
1285			    cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit);
1286			xfrlen = 0;	/* we already did the data transfer */
1287			atp->sendst = 0;
1288		}
1289		if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1290			sendstatus = 1;
1291		} else {
1292			sendstatus = 0;
1293		}
1294
1295		if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
1296			KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?"));
1297			/*
1298			 * Sense length is not the entire sense data structure size. Periph
1299			 * drivers don't seem to be setting sense_len to reflect the actual
1300			 * size. We'll peek inside to get the right amount.
1301			 */
1302			sense_length = cso->sense_len;
1303
1304			/*
1305			 * This 'cannot' happen
1306			 */
1307			if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) {
1308				sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE;
1309			}
1310		} else {
1311			sense_length = 0;
1312		}
1313
1314		memset(local, 0, QENTRY_LEN);
1315
1316		/*
1317		 * Check for overflow
1318		 */
1319		tmp = atp->bytes_xfered + atp->bytes_in_transit;
1320		if (xfrlen > 0 && tmp > atp->orig_datalen) {
1321			isp_prt(isp, ISP_LOGERR,
1322			    "%s: [0x%x] data overflow by %u bytes", __func__,
1323			    cso->tag_id, tmp + xfrlen - atp->orig_datalen);
1324			ccb->ccb_h.status = CAM_DATA_RUN_ERR;
1325			xpt_done(ccb);
1326			continue;
1327		}
1328		if (xfrlen > atp->orig_datalen - tmp) {
1329			xfrlen = atp->orig_datalen - tmp;
1330			if (xfrlen == 0 && !sendstatus) {
1331				cso->resid = cso->dxfer_len;
1332				ccb->ccb_h.status = CAM_REQ_CMP;
1333				xpt_done(ccb);
1334				continue;
1335			}
1336		}
1337
1338		if (IS_24XX(isp)) {
1339			ct7_entry_t *cto = (ct7_entry_t *) local;
1340
1341			cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
1342			cto->ct_header.rqs_entry_count = 1;
1343			cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1344			ATPD_SET_SEQNO(cto, atp);
1345			cto->ct_nphdl = atp->nphdl;
1346			cto->ct_rxid = atp->tag;
1347			cto->ct_iid_lo = atp->sid;
1348			cto->ct_iid_hi = atp->sid >> 16;
1349			cto->ct_oxid = atp->oxid;
1350			cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb));
1351			cto->ct_timeout = (XS_TIME(ccb) + 999) / 1000;
1352			cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT;
1353
1354			/*
1355			 * Mode 1, status, no data. Only possible when we are sending status, have
1356			 * no data to transfer, and any sense data can fit into a ct7_entry_t.
1357			 *
1358			 * Mode 2, status, no data. We have to use this in the case that
1359			 * the sense data won't fit into a ct7_entry_t.
1360			 *
1361			 */
1362			if (sendstatus && xfrlen == 0) {
1363				cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA;
1364				resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1365				if (sense_length <= MAXRESPLEN_24XX) {
1366					cto->ct_flags |= CT7_FLAG_MODE1;
1367					cto->ct_scsi_status = cso->scsi_status;
1368					if (resid < 0) {
1369						cto->ct_resid = -resid;
1370						cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8);
1371					} else if (resid > 0) {
1372						cto->ct_resid = resid;
1373						cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
1374					}
1375					if (fctape) {
1376						cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1377					}
1378					if (sense_length) {
1379						cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
1380						cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length;
1381						memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1382					}
1383				} else {
1384					bus_addr_t addr;
1385					char buf[XCMD_SIZE];
1386					fcp_rsp_iu_t *rp;
1387
1388					if (atp->ests == NULL) {
1389						atp->ests = isp_get_ecmd(isp);
1390						if (atp->ests == NULL) {
1391							TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1392							break;
1393						}
1394					}
1395					memset(buf, 0, sizeof (buf));
1396					rp = (fcp_rsp_iu_t *)buf;
1397					if (fctape) {
1398						cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1399						rp->fcp_rsp_bits |= FCP_CONF_REQ;
1400					}
1401					cto->ct_flags |= CT7_FLAG_MODE2;
1402	        			rp->fcp_rsp_scsi_status = cso->scsi_status;
1403					if (resid < 0) {
1404						rp->fcp_rsp_resid = -resid;
1405						rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1406					} else if (resid > 0) {
1407						rp->fcp_rsp_resid = resid;
1408						rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1409					}
1410					if (sense_length) {
1411	        				rp->fcp_rsp_snslen = sense_length;
1412						cto->ct_senselen = sense_length;
1413						rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1414						isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1415						memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1416					} else {
1417						isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1418					}
1419					if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1420						isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1421					}
1422					addr = isp->isp_osinfo.ecmd_dma;
1423					addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1424					isp_prt(isp, ISP_LOGTDEBUG0, "%s: ests base %p vaddr %p ecmd_dma %jx addr %jx len %u", __func__, isp->isp_osinfo.ecmd_base, atp->ests,
1425					    (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1426					cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1427					cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr);
1428					cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr);
1429					cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1430				}
1431				if (sense_length) {
1432					isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d slen %u sense: %x %x/%x/%x", __func__,
1433					    cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid, sense_length,
1434					    cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1435				} else {
1436					isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__,
1437					    cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid);
1438				}
1439				atp->state = ATPD_STATE_LAST_CTIO;
1440			}
1441
1442			/*
1443			 * Mode 0 data transfers, *possibly* with status.
1444			 */
1445			if (xfrlen != 0) {
1446				cto->ct_flags |= CT7_FLAG_MODE0;
1447				if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1448					cto->ct_flags |= CT7_DATA_IN;
1449				} else {
1450					cto->ct_flags |= CT7_DATA_OUT;
1451				}
1452
1453				cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit;
1454				cto->rsp.m0.ct_xfrlen = xfrlen;
1455
1456#ifdef	DEBUG
1457				if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) {
1458					isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2));
1459					ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0;
1460					cto->rsp.m0.ct_xfrlen -= xfrlen >> 2;
1461				}
1462#endif
1463				if (sendstatus) {
1464					resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1465					if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) {
1466						cto->ct_flags |= CT7_SENDSTATUS;
1467						atp->state = ATPD_STATE_LAST_CTIO;
1468						if (fctape) {
1469							cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1470						}
1471					} else {
1472						atp->sendst = 1;	/* send status later */
1473						cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1474						atp->state = ATPD_STATE_CTIO;
1475					}
1476				} else {
1477					atp->state = ATPD_STATE_CTIO;
1478				}
1479				isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x xfrlen=%u off=%u", __func__,
1480				    cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered);
1481			}
1482		} else {
1483			ct2_entry_t *cto = (ct2_entry_t *) local;
1484
1485			if (isp->isp_osinfo.sixtyfourbit)
1486				cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3;
1487			else
1488				cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1489			cto->ct_header.rqs_entry_count = 1;
1490			cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1491			ATPD_SET_SEQNO(cto, atp);
1492			if (ISP_CAP_2KLOGIN(isp)) {
1493				((ct2e_entry_t *)cto)->ct_iid = atp->nphdl;
1494			} else {
1495				cto->ct_iid = atp->nphdl;
1496				if (ISP_CAP_SCCFW(isp) == 0) {
1497					cto->ct_lun = ccb->ccb_h.target_lun;
1498				}
1499			}
1500			cto->ct_timeout = (XS_TIME(ccb) + 999) / 1000;
1501			cto->ct_rxid = cso->tag_id;
1502
1503			/*
1504			 * Mode 1, status, no data. Only possible when we are sending status, have
1505			 * no data to transfer, and the sense length can fit in the ct7_entry.
1506			 *
1507			 * Mode 2, status, no data. We have to use this in the case the response
1508			 * length won't fit into a ct2_entry_t.
1509			 *
1510			 * We'll fill out this structure with information as if this were a
1511			 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as
1512			 * needed based upon this.
1513			 */
1514			if (sendstatus && xfrlen == 0) {
1515				cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA;
1516				resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1517				if (sense_length <= MAXRESPLEN) {
1518					if (resid < 0) {
1519						cto->ct_resid = -resid;
1520					} else if (resid > 0) {
1521						cto->ct_resid = resid;
1522					}
1523					cto->ct_flags |= CT2_FLAG_MODE1;
1524					cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1525					if (resid < 0) {
1526						cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER;
1527					} else if (resid > 0) {
1528						cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER;
1529					}
1530					if (fctape) {
1531						cto->ct_flags |= CT2_CONFIRM;
1532					}
1533					if (sense_length) {
1534						cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1535						cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length;
1536						memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1537					}
1538				} else {
1539					bus_addr_t addr;
1540					char buf[XCMD_SIZE];
1541					fcp_rsp_iu_t *rp;
1542
1543					if (atp->ests == NULL) {
1544						atp->ests = isp_get_ecmd(isp);
1545						if (atp->ests == NULL) {
1546							TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1547							break;
1548						}
1549					}
1550					memset(buf, 0, sizeof (buf));
1551					rp = (fcp_rsp_iu_t *)buf;
1552					if (fctape) {
1553						cto->ct_flags |= CT2_CONFIRM;
1554						rp->fcp_rsp_bits |= FCP_CONF_REQ;
1555					}
1556					cto->ct_flags |= CT2_FLAG_MODE2;
1557	        			rp->fcp_rsp_scsi_status = cso->scsi_status;
1558					if (resid < 0) {
1559						rp->fcp_rsp_resid = -resid;
1560						rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1561					} else if (resid > 0) {
1562						rp->fcp_rsp_resid = resid;
1563						rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1564					}
1565					if (sense_length) {
1566	        				rp->fcp_rsp_snslen = sense_length;
1567						rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1568						isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1569						memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1570					} else {
1571						isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1572					}
1573					if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1574						isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1575					}
1576					addr = isp->isp_osinfo.ecmd_dma;
1577					addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1578					isp_prt(isp, ISP_LOGTDEBUG0, "%s: ests base %p vaddr %p ecmd_dma %jx addr %jx len %u", __func__, isp->isp_osinfo.ecmd_base, atp->ests,
1579					    (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1580					cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1581					if (isp->isp_osinfo.sixtyfourbit) {
1582						cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr);
1583						cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr);
1584						cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1585					} else {
1586						cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr);
1587						cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1588					}
1589				}
1590				if (sense_length) {
1591					isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d sense: %x %x/%x/%x", __func__,
1592					    cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid,
1593					    cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1594				} else {
1595					isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, cto->ct_rxid,
1596					    ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid);
1597				}
1598				atp->state = ATPD_STATE_LAST_CTIO;
1599			}
1600
1601			if (xfrlen != 0) {
1602				cto->ct_flags |= CT2_FLAG_MODE0;
1603				if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1604					cto->ct_flags |= CT2_DATA_IN;
1605				} else {
1606					cto->ct_flags |= CT2_DATA_OUT;
1607				}
1608
1609				cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit;
1610				cto->rsp.m0.ct_xfrlen = xfrlen;
1611
1612				if (sendstatus) {
1613					resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1614					if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) {
1615						cto->ct_flags |= CT2_SENDSTATUS;
1616						atp->state = ATPD_STATE_LAST_CTIO;
1617						if (fctape) {
1618							cto->ct_flags |= CT2_CONFIRM;
1619						}
1620					} else {
1621						atp->sendst = 1;	/* send status later */
1622						cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1623						atp->state = ATPD_STATE_CTIO;
1624					}
1625				} else {
1626					atp->state = ATPD_STATE_CTIO;
1627				}
1628			}
1629			isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[%x] seq %u nc %d CDB0=%x scsi status %x flags %x resid %d xfrlen %u offset %u", __func__, cto->ct_rxid,
1630			    ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, cso->dxfer_len, atp->bytes_xfered);
1631		}
1632
1633		if (isp_get_pcmd(isp, ccb)) {
1634			ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n");
1635			TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1636			break;
1637		}
1638		handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET);
1639		if (handle == 0) {
1640			ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__);
1641			TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1642			isp_free_pcmd(isp, ccb);
1643			break;
1644		}
1645		atp->bytes_in_transit += xfrlen;
1646		PISP_PCMD(ccb)->datalen = xfrlen;
1647
1648
1649		/*
1650		 * Call the dma setup routines for this entry (and any subsequent
1651		 * CTIOs) if there's data to move, and then tell the f/w it's got
1652		 * new things to play with. As with isp_start's usage of DMA setup,
1653		 * any swizzling is done in the machine dependent layer. Because
1654		 * of this, we put the request onto the queue area first in native
1655		 * format.
1656		 */
1657
1658		if (IS_24XX(isp)) {
1659			ct7_entry_t *cto = (ct7_entry_t *) local;
1660			cto->ct_syshandle = handle;
1661		} else {
1662			ct2_entry_t *cto = (ct2_entry_t *) local;
1663			cto->ct_syshandle = handle;
1664		}
1665
1666		dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local);
1667		if (dmaresult != CMD_QUEUED) {
1668			isp_destroy_handle(isp, handle);
1669			isp_free_pcmd(isp, ccb);
1670			if (dmaresult == CMD_EAGAIN) {
1671				TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1672				break;
1673			}
1674			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1675			xpt_done(ccb);
1676			continue;
1677		}
1678		isp->isp_nactive++;
1679		ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED;
1680		if (xfrlen) {
1681			ccb->ccb_h.spriv_field0 = atp->bytes_xfered;
1682		} else {
1683			ccb->ccb_h.spriv_field0 = ~0;
1684		}
1685		atp->ctcnt++;
1686		atp->seqno++;
1687	}
1688}
1689
1690static void
1691isp_refire_putback_atio(void *arg)
1692{
1693	union ccb *ccb = arg;
1694
1695	ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb));
1696	isp_target_putback_atio(ccb);
1697}
1698
1699static void
1700isp_refire_notify_ack(void *arg)
1701{
1702	isp_tna_t *tp  = arg;
1703	ispsoftc_t *isp = tp->isp;
1704
1705	ISP_ASSERT_LOCKED(isp);
1706	if (isp_notify_ack(isp, tp->not)) {
1707		callout_schedule(&tp->timer, 5);
1708	} else {
1709		free(tp, M_DEVBUF);
1710	}
1711}
1712
1713
1714static void
1715isp_target_putback_atio(union ccb *ccb)
1716{
1717	ispsoftc_t *isp;
1718	struct ccb_scsiio *cso;
1719	void *qe;
1720	at2_entry_t local, *at = &local;
1721
1722	isp = XS_ISP(ccb);
1723
1724	qe = isp_getrqentry(isp);
1725	if (qe == NULL) {
1726		xpt_print(ccb->ccb_h.path,
1727		    "%s: Request Queue Overflow\n", __func__);
1728		callout_reset(&PISP_PCMD(ccb)->wdog, 10,
1729		    isp_refire_putback_atio, ccb);
1730		return;
1731	}
1732	memset(qe, 0, QENTRY_LEN);
1733	cso = &ccb->csio;
1734	ISP_MEMZERO(at, sizeof (at2_entry_t));
1735	at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
1736	at->at_header.rqs_entry_count = 1;
1737	if (ISP_CAP_SCCFW(isp)) {
1738		at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
1739#if __FreeBSD_version < 1000700
1740		if (at->at_scclun >= 256)
1741			at->at_scclun |= 0x4000;
1742#endif
1743	} else {
1744		at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
1745	}
1746	at->at_status = CT_OK;
1747	at->at_rxid = cso->tag_id;
1748	at->at_iid = cso->ccb_h.target_id;
1749	isp_put_atio2(isp, at, qe);
1750	ISP_TDQE(isp, "isp_target_putback_atio", isp->isp_reqidx, qe);
1751	ISP_SYNC_REQUEST(isp);
1752	isp_complete_ctio(ccb);
1753}
1754
1755static void
1756isp_complete_ctio(union ccb *ccb)
1757{
1758	if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
1759		ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1760		xpt_done(ccb);
1761	}
1762}
1763
1764static void
1765isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep)
1766{
1767	fcparam *fcp;
1768	lun_id_t lun;
1769	fcportdb_t *lp;
1770	tstate_t *tptr;
1771	struct ccb_accept_tio *atiop;
1772	uint16_t nphdl;
1773	atio_private_data_t *atp;
1774	inot_private_data_t *ntp;
1775
1776	/*
1777	 * The firmware status (except for the QLTM_SVALID bit)
1778	 * indicates why this ATIO was sent to us.
1779	 *
1780	 * If QLTM_SVALID is set, the firmware has recommended Sense Data.
1781	 */
1782	if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
1783		isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status);
1784		isp_endcmd(isp, aep, NIL_HANDLE, 0, SCSI_STATUS_BUSY, 0);
1785		return;
1786	}
1787
1788	fcp = FCPARAM(isp, 0);
1789	if (ISP_CAP_SCCFW(isp)) {
1790		lun = aep->at_scclun;
1791#if __FreeBSD_version < 1000700
1792		lun &= 0x3fff;
1793#endif
1794	} else {
1795		lun = aep->at_lun;
1796	}
1797	if (ISP_CAP_2KLOGIN(isp)) {
1798		nphdl = ((at2e_entry_t *)aep)->at_iid;
1799	} else {
1800		nphdl = aep->at_iid;
1801	}
1802	tptr = get_lun_statep(isp, 0, lun);
1803	if (tptr == NULL) {
1804		tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1805		if (tptr == NULL) {
1806			isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %d or wildcard", __func__, aep->at_rxid, lun);
1807			if (lun == 0) {
1808				isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
1809			} else {
1810				isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1811			}
1812			return;
1813		}
1814	}
1815
1816	/*
1817	 * Start any commands pending resources first.
1818	 */
1819	if (isp_atio_restart(isp, 0, tptr))
1820		goto noresrc;
1821
1822	atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1823	if (atiop == NULL) {
1824		goto noresrc;
1825	}
1826
1827	atp = isp_get_atpd(isp, 0, aep->at_rxid);
1828	if (atp == NULL) {
1829		goto noresrc;
1830	}
1831
1832	atp->state = ATPD_STATE_ATIO;
1833	SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1834	tptr->atio_count--;
1835	isp_prt(isp, ISP_LOGTDEBUG2, "Take FREE ATIO count now %d", tptr->atio_count);
1836	atiop->ccb_h.target_id = fcp->isp_loopid;
1837	atiop->ccb_h.target_lun = lun;
1838
1839	/*
1840	 * We don't get 'suggested' sense data as we do with SCSI cards.
1841	 */
1842	atiop->sense_len = 0;
1843
1844	/*
1845	 * If we're not in the port database, add ourselves.
1846	 */
1847	if (IS_2100(isp))
1848		atiop->init_id = nphdl;
1849	else {
1850		if ((isp_find_pdb_by_handle(isp, 0, nphdl, &lp) == 0 ||
1851		     lp->state == FC_PORTDB_STATE_ZOMBIE)) {
1852			uint64_t wwpn =
1853				(((uint64_t) aep->at_wwpn[0]) << 48) |
1854				(((uint64_t) aep->at_wwpn[1]) << 32) |
1855				(((uint64_t) aep->at_wwpn[2]) << 16) |
1856				(((uint64_t) aep->at_wwpn[3]) <<  0);
1857			isp_add_wwn_entry(isp, 0, wwpn, INI_NONE,
1858			    nphdl, PORT_ANY, 0);
1859			if (fcp->isp_loopstate > LOOP_LTEST_DONE)
1860				fcp->isp_loopstate = LOOP_LTEST_DONE;
1861			isp_async(isp, ISPASYNC_CHANGE_NOTIFY, 0,
1862			    ISPASYNC_CHANGE_PDB, nphdl, 0x06, 0xff);
1863			isp_find_pdb_by_handle(isp, 0, nphdl, &lp);
1864		}
1865		atiop->init_id = FC_PORTDB_TGT(isp, 0, lp);
1866	}
1867	atiop->cdb_len = ATIO2_CDBLEN;
1868	ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
1869	atiop->ccb_h.status = CAM_CDB_RECVD;
1870	atiop->tag_id = atp->tag;
1871	switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
1872	case ATIO2_TC_ATTR_SIMPLEQ:
1873		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1874		atiop->tag_action = MSG_SIMPLE_Q_TAG;
1875		break;
1876	case ATIO2_TC_ATTR_HEADOFQ:
1877		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1878		atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1879		break;
1880	case ATIO2_TC_ATTR_ORDERED:
1881		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1882		atiop->tag_action = MSG_ORDERED_Q_TAG;
1883		break;
1884	case ATIO2_TC_ATTR_ACAQ:		/* ?? */
1885	case ATIO2_TC_ATTR_UNTAGGED:
1886	default:
1887		atiop->tag_action = 0;
1888		break;
1889	}
1890
1891	atp->orig_datalen = aep->at_datalen;
1892	atp->bytes_xfered = 0;
1893	atp->lun = lun;
1894	atp->nphdl = nphdl;
1895	atp->sid = PORT_ANY;
1896	atp->oxid = aep->at_oxid;
1897	atp->cdb0 = aep->at_cdb[0];
1898	atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK;
1899	atp->state = ATPD_STATE_CAM;
1900	xpt_done((union ccb *)atiop);
1901	isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %d datalen %u", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen);
1902	return;
1903noresrc:
1904	ntp = isp_get_ntpd(isp, 0);
1905	if (ntp == NULL) {
1906		isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
1907		return;
1908	}
1909	memcpy(ntp->data, aep, QENTRY_LEN);
1910	STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next);
1911}
1912
1913static void
1914isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep)
1915{
1916	int cdbxlen;
1917	lun_id_t lun;
1918	uint16_t chan, nphdl = NIL_HANDLE;
1919	uint32_t did, sid;
1920	fcportdb_t *lp;
1921	tstate_t *tptr;
1922	struct ccb_accept_tio *atiop;
1923	atio_private_data_t *atp = NULL;
1924	atio_private_data_t *oatp;
1925	inot_private_data_t *ntp;
1926
1927	did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
1928	sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
1929#if __FreeBSD_version >= 1000700
1930	lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun));
1931#else
1932	lun = (aep->at_cmnd.fcp_cmnd_lun[0] & 0x3f << 8) |
1933	    aep->at_cmnd.fcp_cmnd_lun[1];
1934#endif
1935
1936	/*
1937	 * Find the N-port handle, and Virtual Port Index for this command.
1938	 *
1939	 * If we can't, we're somewhat in trouble because we can't actually respond w/o that information.
1940	 * We also, as a matter of course, need to know the WWN of the initiator too.
1941	 */
1942	if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) {
1943		/*
1944		 * Find the right channel based upon D_ID
1945		 */
1946		isp_find_chan_by_did(isp, did, &chan);
1947
1948		if (chan == ISP_NOCHAN) {
1949			NANOTIME_T now;
1950
1951			/*
1952			 * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup
1953			 * It's a bit tricky here as we need to stash this command *somewhere*.
1954			 */
1955			GET_NANOTIME(&now);
1956			if (NANOTIME_SUB(&now, &isp->isp_init_time) > 2000000000ULL) {
1957				isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did);
1958				isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
1959				return;
1960			}
1961			tptr = get_lun_statep(isp, 0, 0);
1962			if (tptr == NULL) {
1963				tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1964				if (tptr == NULL) {
1965					isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel and no tptr- dropping", __func__, aep->at_rxid, did);
1966					isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
1967					return;
1968				}
1969			}
1970			isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did);
1971			goto noresrc;
1972		}
1973		isp_prt(isp, ISP_LOGTDEBUG0, "%s: [RX_ID 0x%x] D_ID 0x%06x found on Chan %d for S_ID 0x%06x", __func__, aep->at_rxid, did, chan, sid);
1974	} else {
1975		chan = 0;
1976	}
1977
1978	/*
1979	 * Find the PDB entry for this initiator
1980	 */
1981	if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) {
1982		/*
1983		 * If we're not in the port database terminate the exchange.
1984		 */
1985		isp_prt(isp, ISP_LOGTINFO, "%s: [RX_ID 0x%x] D_ID 0x%06x found on Chan %d for S_ID 0x%06x wasn't in PDB already",
1986		    __func__, aep->at_rxid, did, chan, sid);
1987		isp_dump_portdb(isp, chan);
1988		isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0);
1989		return;
1990	}
1991	nphdl = lp->handle;
1992
1993	/*
1994	 * Get the tstate pointer
1995	 */
1996	tptr = get_lun_statep(isp, chan, lun);
1997	if (tptr == NULL) {
1998		tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD);
1999		if (tptr == NULL) {
2000			isp_prt(isp, ISP_LOGWARN,
2001			    "%s: [0x%x] no state pointer for lun %jx or wildcard",
2002			    __func__, aep->at_rxid, (uintmax_t)lun);
2003			if (lun == 0) {
2004				isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
2005			} else {
2006				isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
2007			}
2008			return;
2009		}
2010	}
2011
2012	/*
2013	 * Start any commands pending resources first.
2014	 */
2015	if (isp_atio_restart(isp, chan, tptr))
2016		goto noresrc;
2017
2018	/*
2019	 * If the f/w is out of resources, just send a BUSY status back.
2020	 */
2021	if (aep->at_rxid == AT7_NORESRC_RXID) {
2022		isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
2023		return;
2024	}
2025
2026	/*
2027	 * If we're out of resources, just send a BUSY status back.
2028	 */
2029	atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2030	if (atiop == NULL) {
2031		isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid);
2032		goto noresrc;
2033	}
2034
2035	oatp = isp_find_atpd(isp, chan, aep->at_rxid);
2036	if (oatp) {
2037		isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] tag wraparound in isp_handle_platforms_atio7 (N-Port Handle 0x%04x S_ID 0x%04x OX_ID 0x%04x) oatp state %d",
2038		    aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state);
2039		/*
2040		 * It's not a "no resource" condition- but we can treat it like one
2041		 */
2042		goto noresrc;
2043	}
2044	atp = isp_get_atpd(isp, chan, aep->at_rxid);
2045	if (atp == NULL) {
2046		isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid);
2047		goto noresrc;
2048	}
2049	atp->word3 = lp->prli_word3;
2050	atp->state = ATPD_STATE_ATIO;
2051	SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2052	tptr->atio_count--;
2053	ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
2054	atiop->init_id = FC_PORTDB_TGT(isp, chan, lp);
2055	atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid;
2056	atiop->ccb_h.target_lun = lun;
2057	atiop->sense_len = 0;
2058	cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT;
2059	if (cdbxlen) {
2060		isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored");
2061	}
2062	cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb);
2063	ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen);
2064	atiop->cdb_len = cdbxlen;
2065	atiop->ccb_h.status = CAM_CDB_RECVD;
2066	atiop->tag_id = atp->tag;
2067	switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) {
2068	case FCP_CMND_TASK_ATTR_SIMPLE:
2069		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2070		atiop->tag_action = MSG_SIMPLE_Q_TAG;
2071		break;
2072	case FCP_CMND_TASK_ATTR_HEAD:
2073		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2074		atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2075		break;
2076	case FCP_CMND_TASK_ATTR_ORDERED:
2077		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2078		atiop->tag_action = MSG_ORDERED_Q_TAG;
2079		break;
2080	default:
2081		/* FALLTHROUGH */
2082	case FCP_CMND_TASK_ATTR_ACA:
2083	case FCP_CMND_TASK_ATTR_UNTAGGED:
2084		atiop->tag_action = 0;
2085		break;
2086	}
2087	atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
2088	atp->bytes_xfered = 0;
2089	atp->lun = lun;
2090	atp->nphdl = nphdl;
2091	atp->sid = sid;
2092	atp->did = did;
2093	atp->oxid = aep->at_hdr.ox_id;
2094	atp->rxid = aep->at_hdr.rx_id;
2095	atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
2096	atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK;
2097	atp->state = ATPD_STATE_CAM;
2098	isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u",
2099	    aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen);
2100	xpt_done((union ccb *)atiop);
2101	return;
2102noresrc:
2103	if (atp)
2104		isp_put_atpd(isp, chan, atp);
2105	ntp = isp_get_ntpd(isp, chan);
2106	if (ntp == NULL) {
2107		isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
2108		return;
2109	}
2110	memcpy(ntp->data, aep, QENTRY_LEN);
2111	STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next);
2112}
2113
2114
2115/*
2116 * Handle starting an SRR (sequence retransmit request)
2117 * We get here when we've gotten the immediate notify
2118 * and the return of all outstanding CTIOs for this
2119 * transaction.
2120 */
2121static void
2122isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp)
2123{
2124	in_fcentry_24xx_t *inot;
2125	uint32_t srr_off, ccb_off, ccb_len, ccb_end;
2126	union ccb *ccb;
2127
2128	inot = (in_fcentry_24xx_t *)atp->srr;
2129	srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16);
2130	ccb = atp->srr_ccb;
2131	atp->srr_ccb = NULL;
2132	atp->nsrr++;
2133	if (ccb == NULL) {
2134		isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag);
2135		goto fail;
2136	}
2137
2138	ccb_off = ccb->ccb_h.spriv_field0;
2139	ccb_len = ccb->csio.dxfer_len;
2140        ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len;
2141
2142	switch (inot->in_srr_iu) {
2143	case R_CTL_INFO_SOLICITED_DATA:
2144		/*
2145		 * We have to restart a FCP_DATA data out transaction
2146		 */
2147		atp->sendst = 0;
2148		atp->bytes_xfered = srr_off;
2149		if (ccb_len == 0) {
2150			isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off);
2151			goto mdp;
2152		}
2153 		if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) {
2154			isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x not covered by current CCB data range [0x%x..0x%x]", atp->tag, srr_off, ccb_off, ccb_end);
2155			goto mdp;
2156		}
2157		isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x covered by current CCB data range [0x%x..0x%x]", atp->tag, srr_off, ccb_off, ccb_end);
2158		break;
2159	case R_CTL_INFO_COMMAND_STATUS:
2160		isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag);
2161		atp->sendst = 1;
2162		/*
2163		 * We have to restart a FCP_RSP IU transaction
2164		 */
2165		break;
2166	case R_CTL_INFO_DATA_DESCRIPTOR:
2167		/*
2168		 * We have to restart an FCP DATA in transaction
2169		 */
2170		isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping");
2171		goto fail;
2172
2173	default:
2174		isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu);
2175		goto fail;
2176	}
2177
2178	/*
2179	 * We can't do anything until this is acked, so we might as well start it now.
2180	 * We aren't going to do the usual asynchronous ack issue because we need
2181	 * to make sure this gets on the wire first.
2182	 */
2183	if (isp_notify_ack(isp, inot)) {
2184		isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2185		goto fail;
2186	}
2187	isp_target_start_ctio(isp, ccb, FROM_SRR);
2188	return;
2189fail:
2190	inot->in_reserved = 1;
2191	isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2192	ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2193	ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2194	isp_complete_ctio(ccb);
2195	return;
2196mdp:
2197	if (isp_notify_ack(isp, inot)) {
2198		isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2199		goto fail;
2200	}
2201	ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2202	ccb->ccb_h.status = CAM_MESSAGE_RECV;
2203	/*
2204	 * This is not a strict interpretation of MDP, but it's close
2205	 */
2206	ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16];
2207	ccb->csio.msg_len = 7;
2208	ccb->csio.msg_ptr[0] = MSG_EXTENDED;
2209	ccb->csio.msg_ptr[1] = 5;
2210	ccb->csio.msg_ptr[2] = 0;	/* modify data pointer */
2211	ccb->csio.msg_ptr[3] = srr_off >> 24;
2212	ccb->csio.msg_ptr[4] = srr_off >> 16;
2213	ccb->csio.msg_ptr[5] = srr_off >> 8;
2214	ccb->csio.msg_ptr[6] = srr_off;
2215	isp_complete_ctio(ccb);
2216}
2217
2218
2219static void
2220isp_handle_srr_notify(ispsoftc_t *isp, void *inot_raw)
2221{
2222	in_fcentry_24xx_t *inot = inot_raw;
2223	atio_private_data_t *atp;
2224	uint32_t tag = inot->in_rxid;
2225	uint32_t bus = inot->in_vpidx;
2226
2227	if (!IS_24XX(isp)) {
2228		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot_raw);
2229		return;
2230	}
2231
2232	atp = isp_find_atpd(isp, bus, tag);
2233	if (atp == NULL) {
2234		isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", __func__, tag);
2235		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2236		return;
2237	}
2238	atp->srr_notify_rcvd = 1;
2239	memcpy(atp->srr, inot, sizeof (atp->srr));
2240	isp_prt(isp, ISP_LOGTINFO /* ISP_LOGTDEBUG0 */, "SRR[0x%x] inot->in_rxid flags 0x%x srr_iu=%x reloff 0x%x", inot->in_rxid, inot->in_flags, inot->in_srr_iu,
2241	    inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16));
2242	if (atp->srr_ccb)
2243		isp_handle_srr_start(isp, atp);
2244}
2245
2246static void
2247isp_handle_platform_ctio(ispsoftc_t *isp, void *arg)
2248{
2249	union ccb *ccb;
2250	int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0;
2251	atio_private_data_t *atp = NULL;
2252	int bus;
2253	uint32_t handle, data_requested, resid;
2254
2255	handle = ((ct2_entry_t *)arg)->ct_syshandle;
2256	ccb = isp_find_xs(isp, handle);
2257	if (ccb == NULL) {
2258		isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg);
2259		return;
2260	}
2261	isp_destroy_handle(isp, handle);
2262	resid = data_requested = PISP_PCMD(ccb)->datalen;
2263	isp_free_pcmd(isp, ccb);
2264	if (isp->isp_nactive) {
2265		isp->isp_nactive--;
2266	}
2267
2268	bus = XS_CHANNEL(ccb);
2269	if (IS_24XX(isp)) {
2270		atp = isp_find_atpd(isp, bus, ((ct7_entry_t *)arg)->ct_rxid);
2271	} else {
2272		atp = isp_find_atpd(isp, bus, ((ct2_entry_t *)arg)->ct_rxid);
2273	}
2274	if (atp == NULL) {
2275		/*
2276		 * XXX: isp_clear_commands() generates fake CTIO with zero
2277		 * ct_rxid value, filling only ct_syshandle.  Workaround
2278		 * that using tag_id from the CCB, pointed by ct_syshandle.
2279		 */
2280		atp = isp_find_atpd(isp, bus, ccb->csio.tag_id);
2281	}
2282	if (atp == NULL) {
2283		isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id);
2284		return;
2285	}
2286	KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero"));
2287	atp->bytes_in_transit -= data_requested;
2288	atp->ctcnt -= 1;
2289	ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2290
2291	if (IS_24XX(isp)) {
2292		ct7_entry_t *ct = arg;
2293
2294		if (ct->ct_nphdl == CT7_SRR) {
2295			atp->srr_ccb = ccb;
2296			if (atp->srr_notify_rcvd)
2297				isp_handle_srr_start(isp, atp);
2298			return;
2299		}
2300		if (ct->ct_nphdl == CT_HBA_RESET) {
2301			sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) &&
2302			    (atp->sendst == 0);
2303			failure = CAM_UNREC_HBA_ERROR;
2304		} else {
2305			sentstatus = ct->ct_flags & CT7_SENDSTATUS;
2306			ok = (ct->ct_nphdl == CT7_OK);
2307			notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2308			if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA)
2309				resid = ct->ct_resid;
2310		}
2311		isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO7[%x] seq %u nc %d sts 0x%x flg 0x%x sns %d resid %d %s", __func__, ct->ct_rxid, ATPD_GET_SEQNO(ct),
2312		   notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2313	} else {
2314		ct2_entry_t *ct = arg;
2315		if (ct->ct_status == CT_SRR) {
2316			atp->srr_ccb = ccb;
2317			if (atp->srr_notify_rcvd)
2318				isp_handle_srr_start(isp, atp);
2319			isp_target_putback_atio(ccb);
2320			return;
2321		}
2322		if (ct->ct_status == CT_HBA_RESET) {
2323			sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) &&
2324			    (atp->sendst == 0);
2325			failure = CAM_UNREC_HBA_ERROR;
2326		} else {
2327			sentstatus = ct->ct_flags & CT2_SENDSTATUS;
2328			ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2329			notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2330			if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA)
2331				resid = ct->ct_resid;
2332		}
2333		isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO2[%x] seq %u nc %d sts 0x%x flg 0x%x sns %d resid %d %s", __func__, ct->ct_rxid, ATPD_GET_SEQNO(ct),
2334		    notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2335	}
2336	if (ok) {
2337		if (data_requested > 0) {
2338			atp->bytes_xfered += data_requested - resid;
2339			ccb->csio.resid = ccb->csio.dxfer_len -
2340			    (data_requested - resid);
2341		}
2342		if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE))
2343			ccb->ccb_h.status |= CAM_SENT_SENSE;
2344		ccb->ccb_h.status |= CAM_REQ_CMP;
2345	} else {
2346		notify_cam = 1;
2347		if (failure == CAM_UNREC_HBA_ERROR)
2348			ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2349		else
2350			ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2351	}
2352	atp->state = ATPD_STATE_PDON;
2353
2354	/*
2355	 * We never *not* notify CAM when there has been any error (ok == 0),
2356	 * so we never need to do an ATIO putback if we're not notifying CAM.
2357	 */
2358	isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)",
2359	    (sentstatus)? "  FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0);
2360	if (notify_cam == 0) {
2361		if (atp->sendst) {
2362			isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE);
2363		}
2364		return;
2365	}
2366
2367	/*
2368	 * We are done with this ATIO if we successfully sent status.
2369	 * In all other cases expect either another CTIO or XPT_ABORT.
2370	 */
2371	if (ok && sentstatus)
2372		isp_put_atpd(isp, bus, atp);
2373
2374	/*
2375	 * We're telling CAM we're done with this CTIO transaction.
2376	 *
2377	 * 24XX cards never need an ATIO put back.
2378	 *
2379	 * Other cards need one put back only on error.
2380	 * In the latter case, a timeout will re-fire
2381	 * and try again in case we didn't have
2382	 * queue resources to do so at first. In any case,
2383	 * once the putback is done we do the completion
2384	 * call.
2385	 */
2386	if (ok || IS_24XX(isp)) {
2387		isp_complete_ctio(ccb);
2388	} else {
2389		isp_target_putback_atio(ccb);
2390	}
2391}
2392
2393static void
2394isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp)
2395{
2396	int needack = 1;
2397	switch (inp->in_status) {
2398	case IN_PORT_LOGOUT:
2399		/*
2400		 * XXX: Need to delete this initiator's WWN from the database
2401		 * XXX: Need to send this LOGOUT upstream
2402		 */
2403		isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid);
2404		break;
2405	case IN_PORT_CHANGED:
2406		isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid);
2407		break;
2408	case IN_GLOBAL_LOGO:
2409		isp_del_all_wwn_entries(isp, 0);
2410		isp_prt(isp, ISP_LOGINFO, "all ports logged out");
2411		break;
2412	case IN_ABORT_TASK:
2413	{
2414		uint16_t nphdl, lun;
2415		uint32_t sid;
2416		uint64_t wwn;
2417		fcportdb_t *lp;
2418		isp_notify_t tmp, *nt = &tmp;
2419
2420		if (ISP_CAP_SCCFW(isp)) {
2421			lun = inp->in_scclun;
2422#if __FreeBSD_version < 1000700
2423			lun &= 0x3fff;
2424#endif
2425		} else {
2426			lun = inp->in_lun;
2427		}
2428		if (ISP_CAP_2KLOGIN(isp)) {
2429			nphdl = ((in_fcentry_e_t *)inp)->in_iid;
2430		} else {
2431			nphdl = inp->in_iid;
2432		}
2433		if (isp_find_pdb_by_handle(isp, 0, nphdl, &lp)) {
2434			wwn = lp->port_wwn;
2435			sid = lp->portid;
2436		} else {
2437			wwn = INI_ANY;
2438			sid = PORT_ANY;
2439		}
2440		isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx",
2441		    inp->in_seqid, (unsigned long long) wwn);
2442
2443		ISP_MEMZERO(nt, sizeof (isp_notify_t));
2444		nt->nt_hba = isp;
2445		nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn;
2446		nt->nt_wwn = wwn;
2447		nt->nt_nphdl = nphdl;
2448		nt->nt_sid = sid;
2449		nt->nt_did = PORT_ANY;
2450		nt->nt_lun = lun;
2451		nt->nt_tagval = inp->in_seqid;
2452		nt->nt_tagval |= (((uint64_t)(isp->isp_serno++)) << 32);
2453		nt->nt_need_ack = 1;
2454		nt->nt_channel = 0;
2455		nt->nt_ncode = NT_ABORT_TASK;
2456		nt->nt_lreserved = inp;
2457		isp_handle_platform_target_tmf(isp, nt);
2458		needack = 0;
2459		break;
2460	}
2461	default:
2462		break;
2463	}
2464	if (needack) {
2465		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inp);
2466	}
2467}
2468
2469static void
2470isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot)
2471{
2472	uint16_t nphdl;
2473	uint16_t prli_options = 0;
2474	uint32_t portid;
2475	fcportdb_t *lp;
2476	char *msg = NULL;
2477	uint8_t *ptr = (uint8_t *)inot;
2478	uint64_t wwpn = INI_NONE, wwnn = INI_NONE;
2479
2480	nphdl = inot->in_nphdl;
2481	if (nphdl != NIL_HANDLE) {
2482		portid = inot->in_portid_hi << 16 | inot->in_portid_lo;
2483	} else {
2484		portid = PORT_ANY;
2485	}
2486
2487	switch (inot->in_status) {
2488	case IN24XX_ELS_RCVD:
2489	{
2490		char buf[16];
2491		int chan = ISP_GET_VPIDX(isp, inot->in_vpidx);
2492
2493		/*
2494		 * Note that we're just getting notification that an ELS was received
2495		 * (possibly with some associated information sent upstream). This is
2496		 * *not* the same as being given the ELS frame to accept or reject.
2497		 */
2498		switch (inot->in_status_subcode) {
2499		case LOGO:
2500			msg = "LOGO";
2501			wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]);
2502			isp_del_wwn_entry(isp, chan, wwpn, nphdl, portid);
2503			break;
2504		case PRLO:
2505			msg = "PRLO";
2506			break;
2507		case PLOGI:
2508			msg = "PLOGI";
2509			wwnn = be64dec(&ptr[IN24XX_PLOGI_WWNN_OFF]);
2510			wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]);
2511			isp_add_wwn_entry(isp, chan, wwpn, wwnn,
2512			    nphdl, portid, prli_options);
2513			break;
2514		case PRLI:
2515			msg = "PRLI";
2516			prli_options = inot->in_prli_options;
2517			if (inot->in_flags & IN24XX_FLAG_PN_NN_VALID)
2518				wwnn = be64dec(&ptr[IN24XX_PRLI_WWNN_OFF]);
2519			wwpn = be64dec(&ptr[IN24XX_PRLI_WWPN_OFF]);
2520			isp_add_wwn_entry(isp, chan, wwpn, wwnn,
2521			    nphdl, portid, prli_options);
2522			break;
2523		case PDISC:
2524			msg = "PDISC";
2525			break;
2526		case ADISC:
2527			msg = "ADISC";
2528			break;
2529		default:
2530			ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode);
2531			msg = buf;
2532			break;
2533		}
2534		if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) {
2535			isp_prt(isp, ISP_LOGERR, "%s Chan %d ELS N-port handle %x PortID 0x%06x marked as needing a PUREX response", msg, chan, nphdl, portid);
2536			break;
2537		}
2538		isp_prt(isp, ISP_LOGTDEBUG0, "%s Chan %d ELS N-port handle %x PortID 0x%06x RX_ID 0x%x OX_ID 0x%x", msg, chan, nphdl, portid,
2539		    inot->in_rxid, inot->in_oxid);
2540		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2541		break;
2542	}
2543
2544	case IN24XX_PORT_LOGOUT:
2545		msg = "PORT LOGOUT";
2546		if (isp_find_pdb_by_handle(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) {
2547			isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid);
2548		}
2549		/* FALLTHROUGH */
2550	case IN24XX_PORT_CHANGED:
2551		if (msg == NULL)
2552			msg = "PORT CHANGED";
2553		/* FALLTHROUGH */
2554	case IN24XX_LIP_RESET:
2555		if (msg == NULL)
2556			msg = "LIP RESET";
2557		isp_prt(isp, ISP_LOGINFO, "Chan %d %s (sub-status 0x%x) for N-port handle 0x%x", ISP_GET_VPIDX(isp, inot->in_vpidx), msg, inot->in_status_subcode, nphdl);
2558
2559		/*
2560		 * All subcodes here are irrelevant. What is relevant
2561		 * is that we need to terminate all active commands from
2562		 * this initiator (known by N-port handle).
2563		 */
2564		/* XXX IMPLEMENT XXX */
2565		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2566		break;
2567
2568	case IN24XX_SRR_RCVD:
2569#ifdef	ISP_TARGET_MODE
2570		isp_handle_srr_notify(isp, inot);
2571		break;
2572#else
2573		if (msg == NULL)
2574			msg = "SRR RCVD";
2575		/* FALLTHROUGH */
2576#endif
2577	case IN24XX_LINK_RESET:
2578		if (msg == NULL)
2579			msg = "LINK RESET";
2580	case IN24XX_LINK_FAILED:
2581		if (msg == NULL)
2582			msg = "LINK FAILED";
2583	default:
2584		isp_prt(isp, ISP_LOGWARN, "Chan %d %s", ISP_GET_VPIDX(isp, inot->in_vpidx), msg);
2585		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2586		break;
2587	}
2588}
2589
2590static int
2591isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp)
2592{
2593
2594	if (isp->isp_state != ISP_RUNSTATE) {
2595		isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL);
2596		return (0);
2597	}
2598
2599	/*
2600	 * This case is for a Task Management Function, which shows up as an ATIO7 entry.
2601	 */
2602	if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) {
2603		ct7_entry_t local, *cto = &local;
2604		at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved;
2605		fcportdb_t *lp;
2606		uint32_t sid;
2607		uint16_t nphdl;
2608
2609		sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2610		if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) {
2611			nphdl = lp->handle;
2612		} else {
2613			nphdl = NIL_HANDLE;
2614		}
2615		ISP_MEMZERO(&local, sizeof (local));
2616		cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2617		cto->ct_header.rqs_entry_count = 1;
2618		cto->ct_nphdl = nphdl;
2619		cto->ct_rxid = aep->at_rxid;
2620		cto->ct_vpidx = mp->nt_channel;
2621		cto->ct_iid_lo = sid;
2622		cto->ct_iid_hi = sid >> 16;
2623		cto->ct_oxid = aep->at_hdr.ox_id;
2624		cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1;
2625		cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT;
2626		if (rsp != 0) {
2627			cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8);
2628			cto->rsp.m1.ct_resplen = 4;
2629			ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp));
2630			cto->rsp.m1.ct_resp[0] = rsp & 0xff;
2631			cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff;
2632			cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff;
2633			cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff;
2634		}
2635		return (isp_target_put_entry(isp, &local));
2636	}
2637
2638	/*
2639	 * This case is for a responding to an ABTS frame
2640	 */
2641	if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2642
2643		/*
2644		 * Overload nt_need_ack here to mark whether we've terminated the associated command.
2645		 */
2646		if (mp->nt_need_ack) {
2647			uint8_t storage[QENTRY_LEN];
2648			ct7_entry_t *cto = (ct7_entry_t *) storage;
2649			abts_t *abts = (abts_t *)mp->nt_lreserved;
2650
2651			ISP_MEMZERO(cto, sizeof (ct7_entry_t));
2652			isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task);
2653			cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2654			cto->ct_header.rqs_entry_count = 1;
2655			cto->ct_nphdl = mp->nt_nphdl;
2656			cto->ct_rxid = abts->abts_rxid_task;
2657			cto->ct_iid_lo = mp->nt_sid;
2658			cto->ct_iid_hi = mp->nt_sid >> 16;
2659			cto->ct_oxid = abts->abts_ox_id;
2660			cto->ct_vpidx = mp->nt_channel;
2661			cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
2662			if (isp_target_put_entry(isp, cto)) {
2663				return (ENOMEM);
2664			}
2665			mp->nt_need_ack = 0;
2666		}
2667		if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) {
2668			return (ENOMEM);
2669		} else {
2670			return (0);
2671		}
2672	}
2673
2674	/*
2675	 * Handle logout cases here
2676	 */
2677	if (mp->nt_ncode == NT_GLOBAL_LOGOUT) {
2678		isp_del_all_wwn_entries(isp, mp->nt_channel);
2679	}
2680
2681	if (mp->nt_ncode == NT_LOGOUT) {
2682		if (!IS_2100(isp) && IS_FC(isp)) {
2683			isp_del_wwn_entries(isp, mp);
2684		}
2685	}
2686
2687	/*
2688	 * General purpose acknowledgement
2689	 */
2690	if (mp->nt_need_ack) {
2691		isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL);
2692		/*
2693		 * Don't need to use the guaranteed send because the caller can retry
2694		 */
2695		return (isp_notify_ack(isp, mp->nt_lreserved));
2696	}
2697	return (0);
2698}
2699
2700/*
2701 * Handle task management functions.
2702 *
2703 * We show up here with a notify structure filled out.
2704 *
2705 * The nt_lreserved tag points to the original queue entry
2706 */
2707static void
2708isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify)
2709{
2710	tstate_t *tptr;
2711	fcportdb_t *lp;
2712	struct ccb_immediate_notify *inot;
2713	inot_private_data_t *ntp = NULL;
2714	lun_id_t lun;
2715
2716	isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid  0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode,
2717	    notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun);
2718	/*
2719	 * NB: This assignment is necessary because of tricky type conversion.
2720	 * XXX: This is tricky and I need to check this. If the lun isn't known
2721	 * XXX: for the task management function, it does not of necessity follow
2722	 * XXX: that it should go up stream to the wildcard listener.
2723	 */
2724	if (notify->nt_lun == LUN_ANY) {
2725		lun = CAM_LUN_WILDCARD;
2726	} else {
2727		lun = notify->nt_lun;
2728	}
2729	tptr = get_lun_statep(isp, notify->nt_channel, lun);
2730	if (tptr == NULL) {
2731		tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD);
2732		if (tptr == NULL) {
2733			isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
2734			goto bad;
2735		}
2736	}
2737	inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
2738	if (inot == NULL) {
2739		isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
2740		goto bad;
2741	}
2742
2743	if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 &&
2744	    isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) {
2745		inot->initiator_id = CAM_TARGET_WILDCARD;
2746	} else {
2747		inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp);
2748	}
2749	inot->seq_id = notify->nt_tagval;
2750	inot->tag_id = notify->nt_tagval >> 32;
2751
2752	switch (notify->nt_ncode) {
2753	case NT_ABORT_TASK:
2754		isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id);
2755		inot->arg = MSG_ABORT_TASK;
2756		break;
2757	case NT_ABORT_TASK_SET:
2758		isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY);
2759		inot->arg = MSG_ABORT_TASK_SET;
2760		break;
2761	case NT_CLEAR_ACA:
2762		inot->arg = MSG_CLEAR_ACA;
2763		break;
2764	case NT_CLEAR_TASK_SET:
2765		inot->arg = MSG_CLEAR_TASK_SET;
2766		break;
2767	case NT_LUN_RESET:
2768		inot->arg = MSG_LOGICAL_UNIT_RESET;
2769		break;
2770	case NT_TARGET_RESET:
2771		inot->arg = MSG_TARGET_RESET;
2772		break;
2773	case NT_QUERY_TASK_SET:
2774		inot->arg = MSG_QUERY_TASK_SET;
2775		break;
2776	case NT_QUERY_ASYNC_EVENT:
2777		inot->arg = MSG_QUERY_ASYNC_EVENT;
2778		break;
2779	default:
2780		isp_prt(isp, ISP_LOGWARN, "%s: unknown TMF code 0x%x for chan %d lun 0x%x", __func__, notify->nt_ncode, notify->nt_channel, lun);
2781		goto bad;
2782	}
2783
2784	ntp = isp_get_ntpd(isp, notify->nt_channel);
2785	if (ntp == NULL) {
2786		isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__);
2787		goto bad;
2788	}
2789	ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t));
2790	if (notify->nt_lreserved) {
2791		ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN);
2792		ntp->nt.nt_lreserved = &ntp->data;
2793	}
2794	ntp->seq_id = notify->nt_tagval;
2795	ntp->tag_id = notify->nt_tagval >> 32;
2796
2797	tptr->inot_count--;
2798	SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
2799	ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
2800	inot->ccb_h.status = CAM_MESSAGE_RECV;
2801	xpt_done((union ccb *)inot);
2802	return;
2803bad:
2804	if (notify->nt_need_ack && notify->nt_lreserved) {
2805		if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2806			if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) {
2807				isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK");
2808			}
2809		} else {
2810			isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved);
2811		}
2812	}
2813}
2814
2815static void
2816isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id)
2817{
2818	atio_private_data_t *atp, *atpool;
2819	inot_private_data_t *ntp, *tmp;
2820	uint32_t this_tag_id;
2821
2822	/*
2823	 * First, clean any commands pending restart
2824	 */
2825	STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) {
2826		if (IS_24XX(isp))
2827			this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid;
2828		else
2829			this_tag_id = ((at2_entry_t *)ntp->data)->at_rxid;
2830		if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) {
2831			isp_endcmd(isp, ntp->data, NIL_HANDLE, chan,
2832			    ECMD_TERMINATE, 0);
2833			isp_put_ntpd(isp, chan, ntp);
2834			STAILQ_REMOVE(&tptr->restart_queue, ntp,
2835			    inot_private_data, next);
2836		}
2837	}
2838
2839	/*
2840	 * Now mark other ones dead as well.
2841	 */
2842	ISP_GET_PC(isp, chan, atpool, atpool);
2843	for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) {
2844		if (atp->lun != tptr->ts_lun)
2845			continue;
2846		if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id)
2847			atp->dead = 1;
2848	}
2849}
2850#endif
2851
2852static void
2853isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg)
2854{
2855	struct cam_sim *sim;
2856	int bus, tgt;
2857	ispsoftc_t *isp;
2858
2859	sim = (struct cam_sim *)cbarg;
2860	isp = (ispsoftc_t *) cam_sim_softc(sim);
2861	bus = cam_sim_bus(sim);
2862	tgt = xpt_path_target_id(path);
2863
2864	switch (code) {
2865	case AC_LOST_DEVICE:
2866		if (IS_SCSI(isp)) {
2867			uint16_t oflags, nflags;
2868			sdparam *sdp = SDPARAM(isp, bus);
2869
2870			if (tgt >= 0) {
2871				nflags = sdp->isp_devparam[tgt].nvrm_flags;
2872				nflags &= DPARM_SAFE_DFLT;
2873				if (isp->isp_loaded_fw) {
2874					nflags |= DPARM_NARROW | DPARM_ASYNC;
2875				}
2876				oflags = sdp->isp_devparam[tgt].goal_flags;
2877				sdp->isp_devparam[tgt].goal_flags = nflags;
2878				sdp->isp_devparam[tgt].dev_update = 1;
2879				sdp->update = 1;
2880				(void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
2881				sdp->isp_devparam[tgt].goal_flags = oflags;
2882			}
2883		}
2884		break;
2885	default:
2886		isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
2887		break;
2888	}
2889}
2890
2891static void
2892isp_poll(struct cam_sim *sim)
2893{
2894	ispsoftc_t *isp = cam_sim_softc(sim);
2895	uint16_t isr, sema, info;
2896
2897	if (ISP_READ_ISR(isp, &isr, &sema, &info))
2898		isp_intr(isp, isr, sema, info);
2899}
2900
2901
2902static void
2903isp_watchdog(void *arg)
2904{
2905	struct ccb_scsiio *xs = arg;
2906	ispsoftc_t *isp;
2907	uint32_t ohandle = ISP_HANDLE_FREE, handle;
2908
2909	isp = XS_ISP(xs);
2910
2911	handle = isp_find_handle(isp, xs);
2912
2913	/*
2914	 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere.
2915	 */
2916	if (handle != ISP_HANDLE_FREE) {
2917		uint16_t isr, sema, info;
2918		if (ISP_READ_ISR(isp, &isr, &sema, &info) != 0)
2919			isp_intr(isp, isr, sema, info);
2920		ohandle = handle;
2921		handle = isp_find_handle(isp, xs);
2922	}
2923	if (handle != ISP_HANDLE_FREE) {
2924		/*
2925		 * Try and make sure the command is really dead before
2926		 * we release the handle (and DMA resources) for reuse.
2927		 *
2928		 * If we are successful in aborting the command then
2929		 * we're done here because we'll get the command returned
2930		 * back separately.
2931		 */
2932		if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
2933			return;
2934		}
2935
2936		/*
2937		 * Note that after calling the above, the command may in
2938		 * fact have been completed.
2939		 */
2940		xs = isp_find_xs(isp, handle);
2941
2942		/*
2943		 * If the command no longer exists, then we won't
2944		 * be able to find the xs again with this handle.
2945		 */
2946		if (xs == NULL) {
2947			return;
2948		}
2949
2950		/*
2951		 * After this point, the command is really dead.
2952		 */
2953		if (XS_XFRLEN(xs)) {
2954			ISP_DMAFREE(isp, xs, handle);
2955		}
2956		isp_destroy_handle(isp, handle);
2957		isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle);
2958		xs->ccb_h.status &= ~CAM_STATUS_MASK;
2959		xs->ccb_h.status |= CAM_CMD_TIMEOUT;
2960		isp_prt_endcmd(isp, xs);
2961		isp_done(xs);
2962	} else {
2963		if (ohandle != ISP_HANDLE_FREE) {
2964			isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle);
2965		} else {
2966			isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__);
2967		}
2968	}
2969}
2970
2971static void
2972isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
2973{
2974	union ccb *ccb;
2975	struct isp_fc *fc = ISP_FC_PC(isp, chan);
2976
2977	/*
2978	 * Allocate a CCB, create a wildcard path for this target and schedule a rescan.
2979	 */
2980	ccb = xpt_alloc_ccb_nowait();
2981	if (ccb == NULL) {
2982		isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan);
2983		return;
2984	}
2985	if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim),
2986	    tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
2987		isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan");
2988		xpt_free_ccb(ccb);
2989		return;
2990	}
2991	xpt_rescan(ccb);
2992}
2993
2994static void
2995isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
2996{
2997	struct cam_path *tp;
2998	struct isp_fc *fc = ISP_FC_PC(isp, chan);
2999
3000	if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
3001		xpt_async(AC_LOST_DEVICE, tp, NULL);
3002		xpt_free_path(tp);
3003	}
3004}
3005
3006/*
3007 * Gone Device Timer Function- when we have decided that a device has gone
3008 * away, we wait a specific period of time prior to telling the OS it has
3009 * gone away.
3010 *
3011 * This timer function fires once a second and then scans the port database
3012 * for devices that are marked dead but still have a virtual target assigned.
3013 * We decrement a counter for that port database entry, and when it hits zero,
3014 * we tell the OS the device has gone away.
3015 */
3016static void
3017isp_gdt(void *arg)
3018{
3019	struct isp_fc *fc = arg;
3020	taskqueue_enqueue(taskqueue_thread, &fc->gtask);
3021}
3022
3023static void
3024isp_gdt_task(void *arg, int pending)
3025{
3026	struct isp_fc *fc = arg;
3027	ispsoftc_t *isp = fc->isp;
3028	int chan = fc - isp->isp_osinfo.pc.fc;
3029	fcportdb_t *lp;
3030	struct ac_contract ac;
3031	struct ac_device_changed *adc;
3032	int dbidx, more_to_do = 0;
3033
3034	ISP_LOCK(isp);
3035	isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan);
3036	for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
3037		lp = &FCPARAM(isp, chan)->portdb[dbidx];
3038
3039		if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
3040			continue;
3041		}
3042		if (lp->gone_timer != 0) {
3043			lp->gone_timer -= 1;
3044			more_to_do++;
3045			continue;
3046		}
3047		isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout");
3048		if (lp->is_target) {
3049			lp->is_target = 0;
3050			isp_make_gone(isp, lp, chan, dbidx);
3051		}
3052		if (lp->is_initiator) {
3053			lp->is_initiator = 0;
3054			ac.contract_number = AC_CONTRACT_DEV_CHG;
3055			adc = (struct ac_device_changed *) ac.contract_data;
3056			adc->wwpn = lp->port_wwn;
3057			adc->port = lp->portid;
3058			adc->target = dbidx;
3059			adc->arrived = 0;
3060			xpt_async(AC_CONTRACT, fc->path, &ac);
3061		}
3062		lp->state = FC_PORTDB_STATE_NIL;
3063	}
3064	if (fc->ready) {
3065		if (more_to_do) {
3066			callout_reset(&fc->gdt, hz, isp_gdt, fc);
3067		} else {
3068			callout_deactivate(&fc->gdt);
3069			isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime);
3070		}
3071	}
3072	ISP_UNLOCK(isp);
3073}
3074
3075/*
3076 * When loop goes down we remember the time and freeze CAM command queue.
3077 * During some time period we are trying to reprobe the loop.  But if we
3078 * fail, we tell the OS that devices have gone away and drop the freeze.
3079 *
3080 * We don't clear the devices out of our port database because, when loop
3081 * come back up, we have to do some actual cleanup with the chip at that
3082 * point (implicit PLOGO, e.g., to get the chip's port database state right).
3083 */
3084static void
3085isp_loop_changed(ispsoftc_t *isp, int chan)
3086{
3087	fcparam *fcp = FCPARAM(isp, chan);
3088	struct isp_fc *fc = ISP_FC_PC(isp, chan);
3089
3090	if (fc->loop_down_time)
3091		return;
3092	isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan);
3093	if (fcp->role & ISP_ROLE_INITIATOR)
3094		isp_freeze_loopdown(isp, chan);
3095	fc->loop_dead = 0;
3096	fc->loop_down_time = time_uptime;
3097	wakeup(fc);
3098}
3099
3100static void
3101isp_loop_up(ispsoftc_t *isp, int chan)
3102{
3103	struct isp_fc *fc = ISP_FC_PC(isp, chan);
3104
3105	isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan);
3106	fc->loop_seen_once = 1;
3107	fc->loop_dead = 0;
3108	fc->loop_down_time = 0;
3109	isp_unfreeze_loopdown(isp, chan);
3110}
3111
3112static void
3113isp_loop_dead(ispsoftc_t *isp, int chan)
3114{
3115	fcparam *fcp = FCPARAM(isp, chan);
3116	struct isp_fc *fc = ISP_FC_PC(isp, chan);
3117	fcportdb_t *lp;
3118	struct ac_contract ac;
3119	struct ac_device_changed *adc;
3120	int dbidx, i;
3121
3122	isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan);
3123
3124	/*
3125	 * Notify to the OS all targets who we now consider have departed.
3126	 */
3127	for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
3128		lp = &fcp->portdb[dbidx];
3129
3130		if (lp->state == FC_PORTDB_STATE_NIL)
3131			continue;
3132
3133		/*
3134		 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST!
3135		 */
3136		for (i = 0; i < isp->isp_maxcmds; i++) {
3137			struct ccb_scsiio *xs;
3138
3139			if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) {
3140				continue;
3141			}
3142			if ((xs = isp->isp_xflist[i].cmd) == NULL) {
3143				continue;
3144                        }
3145			if (dbidx != XS_TGT(xs)) {
3146				continue;
3147			}
3148			isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout",
3149			    isp->isp_xflist[i].handle, chan, XS_TGT(xs),
3150			    (uintmax_t)XS_LUN(xs));
3151		}
3152
3153		isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout");
3154		if (lp->is_target) {
3155			lp->is_target = 0;
3156			isp_make_gone(isp, lp, chan, dbidx);
3157		}
3158		if (lp->is_initiator) {
3159			lp->is_initiator = 0;
3160			ac.contract_number = AC_CONTRACT_DEV_CHG;
3161			adc = (struct ac_device_changed *) ac.contract_data;
3162			adc->wwpn = lp->port_wwn;
3163			adc->port = lp->portid;
3164			adc->target = dbidx;
3165			adc->arrived = 0;
3166			xpt_async(AC_CONTRACT, fc->path, &ac);
3167		}
3168	}
3169
3170	isp_unfreeze_loopdown(isp, chan);
3171	fc->loop_dead = 1;
3172	fc->loop_down_time = 0;
3173}
3174
3175static void
3176isp_kthread(void *arg)
3177{
3178	struct isp_fc *fc = arg;
3179	ispsoftc_t *isp = fc->isp;
3180	int chan = fc - isp->isp_osinfo.pc.fc;
3181	int slp = 0, d;
3182	int lb, lim;
3183
3184	mtx_lock(&isp->isp_osinfo.lock);
3185
3186	while (isp->isp_osinfo.is_exiting == 0) {
3187		isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
3188		    "Chan %d Checking FC state", chan);
3189		lb = isp_fc_runstate(isp, chan, 250000);
3190		isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
3191		    "Chan %d FC got to %s state", chan,
3192		    isp_fc_loop_statename(lb));
3193
3194		/*
3195		 * Our action is different based upon whether we're supporting
3196		 * Initiator mode or not. If we are, we might freeze the simq
3197		 * when loop is down and set all sorts of different delays to
3198		 * check again.
3199		 *
3200		 * If not, we simply just wait for loop to come up.
3201		 */
3202		if (lb == LOOP_READY || lb < 0) {
3203			slp = 0;
3204		} else {
3205			/*
3206			 * If we've never seen loop up and we've waited longer
3207			 * than quickboot time, or we've seen loop up but we've
3208			 * waited longer than loop_down_limit, give up and go
3209			 * to sleep until loop comes up.
3210			 */
3211			if (fc->loop_seen_once == 0)
3212				lim = isp_quickboot_time;
3213			else
3214				lim = fc->loop_down_limit;
3215			d = time_uptime - fc->loop_down_time;
3216			if (d >= lim)
3217				slp = 0;
3218			else if (d < 10)
3219				slp = 1;
3220			else if (d < 30)
3221				slp = 5;
3222			else if (d < 60)
3223				slp = 10;
3224			else if (d < 120)
3225				slp = 20;
3226			else
3227				slp = 30;
3228		}
3229
3230		if (slp == 0) {
3231			if (lb == LOOP_READY)
3232				isp_loop_up(isp, chan);
3233			else
3234				isp_loop_dead(isp, chan);
3235		}
3236
3237		isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
3238		    "Chan %d sleep for %d seconds", chan, slp);
3239		msleep(fc, &isp->isp_osinfo.lock, PRIBIO, "ispf", slp * hz);
3240	}
3241	fc->num_threads -= 1;
3242	mtx_unlock(&isp->isp_osinfo.lock);
3243	kthread_exit();
3244}
3245
3246#ifdef	ISP_TARGET_MODE
3247static void
3248isp_abort_atio(ispsoftc_t *isp, union ccb *ccb)
3249{
3250	atio_private_data_t *atp;
3251	union ccb *accb = ccb->cab.abort_ccb;
3252	struct ccb_hdr *sccb;
3253	tstate_t *tptr;
3254
3255	tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
3256	if (tptr != NULL) {
3257		/* Search for the ATIO among queueued. */
3258		SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) {
3259			if (sccb != &accb->ccb_h)
3260				continue;
3261			SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle);
3262			tptr->atio_count--;
3263			accb->ccb_h.status = CAM_REQ_ABORTED;
3264			xpt_done(accb);
3265			ccb->ccb_h.status = CAM_REQ_CMP;
3266			return;
3267		}
3268	}
3269
3270	/* Search for the ATIO among running. */
3271	atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id);
3272	if (atp != NULL) {
3273		/* Send TERMINATE to firmware. */
3274		if (!atp->dead && IS_24XX(isp)) {
3275			uint8_t storage[QENTRY_LEN];
3276			ct7_entry_t *cto = (ct7_entry_t *) storage;
3277
3278			ISP_MEMZERO(cto, sizeof (ct7_entry_t));
3279			cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
3280			cto->ct_header.rqs_entry_count = 1;
3281			cto->ct_nphdl = atp->nphdl;
3282			cto->ct_rxid = atp->tag;
3283			cto->ct_iid_lo = atp->sid;
3284			cto->ct_iid_hi = atp->sid >> 16;
3285			cto->ct_oxid = atp->oxid;
3286			cto->ct_vpidx = XS_CHANNEL(accb);
3287			cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
3288			isp_target_put_entry(isp, cto);
3289		}
3290		isp_put_atpd(isp, XS_CHANNEL(accb), atp);
3291		ccb->ccb_h.status = CAM_REQ_CMP;
3292	} else {
3293		ccb->ccb_h.status = CAM_UA_ABORT;
3294	}
3295}
3296
3297static void
3298isp_abort_inot(ispsoftc_t *isp, union ccb *ccb)
3299{
3300	inot_private_data_t *ntp;
3301	union ccb *accb = ccb->cab.abort_ccb;
3302	struct ccb_hdr *sccb;
3303	tstate_t *tptr;
3304
3305	tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
3306	if (tptr != NULL) {
3307		/* Search for the INOT among queueued. */
3308		SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) {
3309			if (sccb != &accb->ccb_h)
3310				continue;
3311			SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle);
3312			tptr->inot_count--;
3313			accb->ccb_h.status = CAM_REQ_ABORTED;
3314			xpt_done(accb);
3315			ccb->ccb_h.status = CAM_REQ_CMP;
3316			return;
3317		}
3318	}
3319
3320	/* Search for the INOT among running. */
3321	ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id);
3322	if (ntp != NULL) {
3323		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, ntp->data);
3324		isp_put_ntpd(isp, XS_CHANNEL(accb), ntp);
3325		ccb->ccb_h.status = CAM_REQ_CMP;
3326	} else {
3327		ccb->ccb_h.status = CAM_UA_ABORT;
3328		return;
3329	}
3330}
3331#endif
3332
3333static void
3334isp_action(struct cam_sim *sim, union ccb *ccb)
3335{
3336	int bus, tgt, ts, error;
3337	ispsoftc_t *isp;
3338	struct ccb_trans_settings *cts;
3339
3340	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
3341
3342	isp = (ispsoftc_t *)cam_sim_softc(sim);
3343	mtx_assert(&isp->isp_lock, MA_OWNED);
3344	isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
3345	ISP_PCMD(ccb) = NULL;
3346
3347	switch (ccb->ccb_h.func_code) {
3348	case XPT_SCSI_IO:	/* Execute the requested I/O operation */
3349		bus = XS_CHANNEL(ccb);
3350		/*
3351		 * Do a couple of preliminary checks...
3352		 */
3353		if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
3354			if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
3355				ccb->ccb_h.status = CAM_REQ_INVALID;
3356				isp_done((struct ccb_scsiio *) ccb);
3357				break;
3358			}
3359		}
3360		ccb->csio.req_map = NULL;
3361#ifdef	DIAGNOSTIC
3362		if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) {
3363			xpt_print(ccb->ccb_h.path, "invalid target\n");
3364			ccb->ccb_h.status = CAM_PATH_INVALID;
3365		} else if (ISP_MAX_LUNS(isp) > 0 &&
3366		    ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) {
3367			xpt_print(ccb->ccb_h.path, "invalid lun\n");
3368			ccb->ccb_h.status = CAM_PATH_INVALID;
3369		}
3370		if (ccb->ccb_h.status == CAM_PATH_INVALID) {
3371			xpt_done(ccb);
3372			break;
3373		}
3374#endif
3375		ccb->csio.scsi_status = SCSI_STATUS_OK;
3376		if (isp_get_pcmd(isp, ccb)) {
3377			isp_prt(isp, ISP_LOGWARN, "out of PCMDs");
3378			cam_freeze_devq(ccb->ccb_h.path);
3379			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
3380			ccb->ccb_h.status = CAM_REQUEUE_REQ;
3381			xpt_done(ccb);
3382			break;
3383		}
3384		error = isp_start((XS_T *) ccb);
3385		switch (error) {
3386		case CMD_QUEUED:
3387			ccb->ccb_h.status |= CAM_SIM_QUEUED;
3388			if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) {
3389				break;
3390			}
3391			ts = ccb->ccb_h.timeout;
3392			if (ts == CAM_TIME_DEFAULT) {
3393				ts = 60*1000;
3394			}
3395			ts = isp_mstohz(ts);
3396			callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb);
3397			break;
3398		case CMD_RQLATER:
3399			/*
3400			 * We get this result if the loop isn't ready
3401			 * or if the device in question has gone zombie.
3402			 */
3403			if (ISP_FC_PC(isp, bus)->loop_dead) {
3404				isp_prt(isp, ISP_LOGDEBUG0,
3405				    "%d.%jx loop is dead",
3406				    XS_TGT(ccb), (uintmax_t)XS_LUN(ccb));
3407				ccb->ccb_h.status = CAM_SEL_TIMEOUT;
3408				isp_done((struct ccb_scsiio *) ccb);
3409				break;
3410			}
3411			isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later",
3412			    XS_TGT(ccb), (uintmax_t)XS_LUN(ccb));
3413			cam_freeze_devq(ccb->ccb_h.path);
3414			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3415			ccb->ccb_h.status = CAM_REQUEUE_REQ;
3416			isp_free_pcmd(isp, ccb);
3417			xpt_done(ccb);
3418			break;
3419		case CMD_EAGAIN:
3420			isp_free_pcmd(isp, ccb);
3421			cam_freeze_devq(ccb->ccb_h.path);
3422			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0);
3423			ccb->ccb_h.status = CAM_REQUEUE_REQ;
3424			xpt_done(ccb);
3425			break;
3426		case CMD_COMPLETE:
3427			isp_done((struct ccb_scsiio *) ccb);
3428			break;
3429		default:
3430			isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__);
3431			ccb->ccb_h.status = CAM_REQUEUE_REQ;
3432			isp_free_pcmd(isp, ccb);
3433			xpt_done(ccb);
3434		}
3435		break;
3436
3437#ifdef	ISP_TARGET_MODE
3438	case XPT_EN_LUN:		/* Enable/Disable LUN as a target */
3439		if (ccb->cel.enable) {
3440			isp_enable_lun(isp, ccb);
3441		} else {
3442			isp_disable_lun(isp, ccb);
3443		}
3444		break;
3445	case XPT_IMMEDIATE_NOTIFY:	/* Add Immediate Notify Resource */
3446	case XPT_ACCEPT_TARGET_IO:	/* Add Accept Target IO Resource */
3447	{
3448		tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
3449		if (tptr == NULL) {
3450			const char *str;
3451
3452			if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY)
3453				str = "XPT_IMMEDIATE_NOTIFY";
3454			else
3455				str = "XPT_ACCEPT_TARGET_IO";
3456			ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path,
3457			    "%s: no state pointer found for %s\n",
3458			    __func__, str);
3459			ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3460			xpt_done(ccb);
3461			break;
3462		}
3463		ccb->ccb_h.spriv_field0 = 0;
3464		ccb->ccb_h.spriv_ptr1 = isp;
3465
3466		if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
3467			ccb->atio.tag_id = 0;
3468			tptr->atio_count++;
3469			SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle);
3470			ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
3471			    "Put FREE ATIO, count now %d\n", tptr->atio_count);
3472		} else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
3473			ccb->cin1.seq_id = ccb->cin1.tag_id = 0;
3474			tptr->inot_count++;
3475			SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
3476			ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
3477			    "Put FREE INOT, count now %d\n", tptr->inot_count);
3478		}
3479		ccb->ccb_h.status = CAM_REQ_INPROG;
3480		break;
3481	}
3482	case XPT_NOTIFY_ACKNOWLEDGE:		/* notify ack */
3483	{
3484		inot_private_data_t *ntp;
3485
3486		/*
3487		 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb
3488		 * XXX: matches that for the immediate notify, we have to *search* for the notify structure
3489		 */
3490		/*
3491		 * All the relevant path information is in the associated immediate notify
3492		 */
3493		ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "%s: [0x%x] NOTIFY ACKNOWLEDGE for 0x%x seen\n", __func__, ccb->cna2.tag_id, ccb->cna2.seq_id);
3494		ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id);
3495		if (ntp == NULL) {
3496			ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] XPT_NOTIFY_ACKNOWLEDGE of 0x%x cannot find ntp private data\n", __func__,
3497			     ccb->cna2.tag_id, ccb->cna2.seq_id);
3498			ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3499			xpt_done(ccb);
3500			break;
3501		}
3502		if (isp_handle_platform_target_notify_ack(isp, &ntp->nt,
3503		    (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) {
3504			cam_freeze_devq(ccb->ccb_h.path);
3505			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3506			ccb->ccb_h.status &= ~CAM_STATUS_MASK;
3507			ccb->ccb_h.status |= CAM_REQUEUE_REQ;
3508			break;
3509		}
3510		isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp);
3511		ccb->ccb_h.status = CAM_REQ_CMP;
3512		ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "%s: [0x%x] calling xpt_done for tag 0x%x\n", __func__, ccb->cna2.tag_id, ccb->cna2.seq_id);
3513		xpt_done(ccb);
3514		break;
3515	}
3516	case XPT_CONT_TARGET_IO:
3517		isp_target_start_ctio(isp, ccb, FROM_CAM);
3518		break;
3519#endif
3520	case XPT_RESET_DEV:		/* BDR the specified SCSI device */
3521		bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
3522		tgt = ccb->ccb_h.target_id;
3523		tgt |= (bus << 16);
3524
3525		error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt);
3526		if (error) {
3527			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3528		} else {
3529			/*
3530			 * If we have a FC device, reset the Command
3531			 * Reference Number, because the target will expect
3532			 * that we re-start the CRN at 1 after a reset.
3533			 */
3534			if (IS_FC(isp))
3535				isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3536
3537			ccb->ccb_h.status = CAM_REQ_CMP;
3538		}
3539		xpt_done(ccb);
3540		break;
3541	case XPT_ABORT:			/* Abort the specified CCB */
3542	{
3543		union ccb *accb = ccb->cab.abort_ccb;
3544		switch (accb->ccb_h.func_code) {
3545#ifdef	ISP_TARGET_MODE
3546		case XPT_ACCEPT_TARGET_IO:
3547			isp_abort_atio(isp, ccb);
3548			break;
3549		case XPT_IMMEDIATE_NOTIFY:
3550			isp_abort_inot(isp, ccb);
3551			break;
3552#endif
3553		case XPT_SCSI_IO:
3554			error = isp_control(isp, ISPCTL_ABORT_CMD, accb);
3555			if (error) {
3556				ccb->ccb_h.status = CAM_UA_ABORT;
3557			} else {
3558				ccb->ccb_h.status = CAM_REQ_CMP;
3559			}
3560			break;
3561		default:
3562			ccb->ccb_h.status = CAM_REQ_INVALID;
3563			break;
3564		}
3565		/*
3566		 * This is not a queued CCB, so the caller expects it to be
3567		 * complete when control is returned.
3568		 */
3569		break;
3570	}
3571#define	IS_CURRENT_SETTINGS(c)	(c->type == CTS_TYPE_CURRENT_SETTINGS)
3572	case XPT_SET_TRAN_SETTINGS:	/* Nexus Settings */
3573		cts = &ccb->cts;
3574		if (!IS_CURRENT_SETTINGS(cts)) {
3575			ccb->ccb_h.status = CAM_REQ_INVALID;
3576			xpt_done(ccb);
3577			break;
3578		}
3579		tgt = cts->ccb_h.target_id;
3580		bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
3581		if (IS_SCSI(isp)) {
3582			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3583			struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3584			sdparam *sdp = SDPARAM(isp, bus);
3585			uint16_t *dptr;
3586
3587			if (spi->valid == 0 && scsi->valid == 0) {
3588				ccb->ccb_h.status = CAM_REQ_CMP;
3589				xpt_done(ccb);
3590				break;
3591			}
3592
3593			/*
3594			 * We always update (internally) from goal_flags
3595			 * so any request to change settings just gets
3596			 * vectored to that location.
3597			 */
3598			dptr = &sdp->isp_devparam[tgt].goal_flags;
3599
3600			if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
3601				if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
3602					*dptr |= DPARM_DISC;
3603				else
3604					*dptr &= ~DPARM_DISC;
3605			}
3606
3607			if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
3608				if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
3609					*dptr |= DPARM_TQING;
3610				else
3611					*dptr &= ~DPARM_TQING;
3612			}
3613
3614			if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
3615				if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
3616					*dptr |= DPARM_WIDE;
3617				else
3618					*dptr &= ~DPARM_WIDE;
3619			}
3620
3621			/*
3622			 * XXX: FIX ME
3623			 */
3624			if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) {
3625				*dptr |= DPARM_SYNC;
3626				/*
3627				 * XXX: CHECK FOR LEGALITY
3628				 */
3629				sdp->isp_devparam[tgt].goal_period = spi->sync_period;
3630				sdp->isp_devparam[tgt].goal_offset = spi->sync_offset;
3631			} else {
3632				*dptr &= ~DPARM_SYNC;
3633			}
3634			isp_prt(isp, ISP_LOGDEBUG0, "SET (%d.%d.%d) to flags %x off %x per %x", bus, tgt, cts->ccb_h.target_lun, sdp->isp_devparam[tgt].goal_flags,
3635			    sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period);
3636			sdp->isp_devparam[tgt].dev_update = 1;
3637			sdp->update = 1;
3638		}
3639		ccb->ccb_h.status = CAM_REQ_CMP;
3640		xpt_done(ccb);
3641		break;
3642	case XPT_GET_TRAN_SETTINGS:
3643		cts = &ccb->cts;
3644		tgt = cts->ccb_h.target_id;
3645		bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
3646		if (IS_FC(isp)) {
3647			fcparam *fcp = FCPARAM(isp, bus);
3648			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3649			struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc;
3650
3651			cts->protocol = PROTO_SCSI;
3652			cts->protocol_version = SCSI_REV_2;
3653			cts->transport = XPORT_FC;
3654			cts->transport_version = 0;
3655
3656			scsi->valid = CTS_SCSI_VALID_TQ;
3657			scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
3658			fc->valid = CTS_FC_VALID_SPEED;
3659			fc->bitrate = 100000;
3660			fc->bitrate *= fcp->isp_gbspeed;
3661			if (tgt < MAX_FC_TARG) {
3662				fcportdb_t *lp = &fcp->portdb[tgt];
3663				fc->wwnn = lp->node_wwn;
3664				fc->wwpn = lp->port_wwn;
3665				fc->port = lp->portid;
3666				fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
3667			}
3668		} else {
3669			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3670			struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3671			sdparam *sdp = SDPARAM(isp, bus);
3672			uint16_t dval, pval, oval;
3673
3674			if (IS_CURRENT_SETTINGS(cts)) {
3675				sdp->isp_devparam[tgt].dev_refresh = 1;
3676				sdp->update = 1;
3677				(void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
3678				dval = sdp->isp_devparam[tgt].actv_flags;
3679				oval = sdp->isp_devparam[tgt].actv_offset;
3680				pval = sdp->isp_devparam[tgt].actv_period;
3681			} else {
3682				dval = sdp->isp_devparam[tgt].nvrm_flags;
3683				oval = sdp->isp_devparam[tgt].nvrm_offset;
3684				pval = sdp->isp_devparam[tgt].nvrm_period;
3685			}
3686
3687			cts->protocol = PROTO_SCSI;
3688			cts->protocol_version = SCSI_REV_2;
3689			cts->transport = XPORT_SPI;
3690			cts->transport_version = 2;
3691
3692			spi->valid = 0;
3693			scsi->valid = 0;
3694			spi->flags = 0;
3695			scsi->flags = 0;
3696			if (dval & DPARM_DISC) {
3697				spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3698			}
3699			if ((dval & DPARM_SYNC) && oval && pval) {
3700				spi->sync_offset = oval;
3701				spi->sync_period = pval;
3702			} else {
3703				spi->sync_offset = 0;
3704				spi->sync_period = 0;
3705			}
3706			spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3707			spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3708			spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
3709			if (dval & DPARM_WIDE) {
3710				spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3711			} else {
3712				spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3713			}
3714			if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
3715				scsi->valid = CTS_SCSI_VALID_TQ;
3716				if (dval & DPARM_TQING) {
3717					scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3718				}
3719				spi->valid |= CTS_SPI_VALID_DISC;
3720			}
3721			isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%d) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
3722			    bus, tgt, cts->ccb_h.target_lun, dval, oval, pval);
3723		}
3724		ccb->ccb_h.status = CAM_REQ_CMP;
3725		xpt_done(ccb);
3726		break;
3727
3728	case XPT_CALC_GEOMETRY:
3729		cam_calc_geometry(&ccb->ccg, 1);
3730		xpt_done(ccb);
3731		break;
3732
3733	case XPT_RESET_BUS:		/* Reset the specified bus */
3734		bus = cam_sim_bus(sim);
3735		error = isp_control(isp, ISPCTL_RESET_BUS, bus);
3736		if (error) {
3737			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3738			xpt_done(ccb);
3739			break;
3740		}
3741		if (bootverbose) {
3742			xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus);
3743		}
3744		if (IS_FC(isp)) {
3745			xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0);
3746		} else {
3747			xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0);
3748		}
3749		ccb->ccb_h.status = CAM_REQ_CMP;
3750		xpt_done(ccb);
3751		break;
3752
3753	case XPT_TERM_IO:		/* Terminate the I/O process */
3754		ccb->ccb_h.status = CAM_REQ_INVALID;
3755		xpt_done(ccb);
3756		break;
3757
3758	case XPT_SET_SIM_KNOB:		/* Set SIM knobs */
3759	{
3760		struct ccb_sim_knob *kp = &ccb->knob;
3761		fcparam *fcp;
3762
3763		if (!IS_FC(isp)) {
3764			ccb->ccb_h.status = CAM_REQ_INVALID;
3765			xpt_done(ccb);
3766			break;
3767		}
3768
3769		bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
3770		fcp = FCPARAM(isp, bus);
3771
3772		if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) {
3773			fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn;
3774			fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn;
3775			isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn);
3776		}
3777		ccb->ccb_h.status = CAM_REQ_CMP;
3778		if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) {
3779			int rchange = 0;
3780			int newrole = 0;
3781
3782			switch (kp->xport_specific.fc.role) {
3783			case KNOB_ROLE_NONE:
3784				if (fcp->role != ISP_ROLE_NONE) {
3785					rchange = 1;
3786					newrole = ISP_ROLE_NONE;
3787				}
3788				break;
3789			case KNOB_ROLE_TARGET:
3790				if (fcp->role != ISP_ROLE_TARGET) {
3791					rchange = 1;
3792					newrole = ISP_ROLE_TARGET;
3793				}
3794				break;
3795			case KNOB_ROLE_INITIATOR:
3796				if (fcp->role != ISP_ROLE_INITIATOR) {
3797					rchange = 1;
3798					newrole = ISP_ROLE_INITIATOR;
3799				}
3800				break;
3801			case KNOB_ROLE_BOTH:
3802				if (fcp->role != ISP_ROLE_BOTH) {
3803					rchange = 1;
3804					newrole = ISP_ROLE_BOTH;
3805				}
3806				break;
3807			}
3808			if (rchange) {
3809				ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole);
3810				if (isp_control(isp, ISPCTL_CHANGE_ROLE,
3811				    bus, newrole) != 0) {
3812					ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3813					xpt_done(ccb);
3814					break;
3815				}
3816			}
3817		}
3818		xpt_done(ccb);
3819		break;
3820	}
3821	case XPT_GET_SIM_KNOB:		/* Get SIM knobs */
3822	{
3823		struct ccb_sim_knob *kp = &ccb->knob;
3824
3825		if (IS_FC(isp)) {
3826			fcparam *fcp;
3827
3828			bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
3829			fcp = FCPARAM(isp, bus);
3830
3831			kp->xport_specific.fc.wwnn = fcp->isp_wwnn;
3832			kp->xport_specific.fc.wwpn = fcp->isp_wwpn;
3833			switch (fcp->role) {
3834			case ISP_ROLE_NONE:
3835				kp->xport_specific.fc.role = KNOB_ROLE_NONE;
3836				break;
3837			case ISP_ROLE_TARGET:
3838				kp->xport_specific.fc.role = KNOB_ROLE_TARGET;
3839				break;
3840			case ISP_ROLE_INITIATOR:
3841				kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR;
3842				break;
3843			case ISP_ROLE_BOTH:
3844				kp->xport_specific.fc.role = KNOB_ROLE_BOTH;
3845				break;
3846			}
3847			kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE;
3848			ccb->ccb_h.status = CAM_REQ_CMP;
3849		} else {
3850			ccb->ccb_h.status = CAM_REQ_INVALID;
3851		}
3852		xpt_done(ccb);
3853		break;
3854	}
3855	case XPT_PATH_INQ:		/* Path routing inquiry */
3856	{
3857		struct ccb_pathinq *cpi = &ccb->cpi;
3858
3859		cpi->version_num = 1;
3860#ifdef	ISP_TARGET_MODE
3861		if (IS_FC(isp) && ISP_CAP_TMODE(isp) && ISP_CAP_SCCFW(isp))
3862			cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
3863		else
3864#endif
3865			cpi->target_sprt = 0;
3866		cpi->hba_eng_cnt = 0;
3867		cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
3868		cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ?
3869		    255 : ISP_MAX_LUNS(isp) - 1;
3870		cpi->bus_id = cam_sim_bus(sim);
3871		if (isp->isp_osinfo.sixtyfourbit)
3872			cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE;
3873		else
3874			cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE;
3875
3876		bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
3877		if (IS_FC(isp)) {
3878			fcparam *fcp = FCPARAM(isp, bus);
3879
3880			cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
3881#if __FreeBSD_version >= 1000700
3882			cpi->hba_misc |= PIM_EXTLUNS;
3883#endif
3884#if __FreeBSD_version >= 1000039
3885			cpi->hba_misc |= PIM_NOSCAN;
3886#endif
3887
3888			/*
3889			 * Because our loop ID can shift from time to time,
3890			 * make our initiator ID out of range of our bus.
3891			 */
3892			cpi->initiator_id = cpi->max_target + 1;
3893
3894			/*
3895			 * Set base transfer capabilities for Fibre Channel, for this HBA.
3896			 */
3897			if (IS_25XX(isp)) {
3898				cpi->base_transfer_speed = 8000000;
3899			} else if (IS_24XX(isp)) {
3900				cpi->base_transfer_speed = 4000000;
3901			} else if (IS_23XX(isp)) {
3902				cpi->base_transfer_speed = 2000000;
3903			} else {
3904				cpi->base_transfer_speed = 1000000;
3905			}
3906			cpi->hba_inquiry = PI_TAG_ABLE;
3907			cpi->transport = XPORT_FC;
3908			cpi->transport_version = 0;
3909			cpi->xport_specific.fc.wwnn = fcp->isp_wwnn;
3910			cpi->xport_specific.fc.wwpn = fcp->isp_wwpn;
3911			cpi->xport_specific.fc.port = fcp->isp_portid;
3912			cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000;
3913		} else {
3914			sdparam *sdp = SDPARAM(isp, bus);
3915			cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
3916			cpi->hba_misc = PIM_UNMAPPED;
3917			cpi->initiator_id = sdp->isp_initiator_id;
3918			cpi->base_transfer_speed = 3300;
3919			cpi->transport = XPORT_SPI;
3920			cpi->transport_version = 2;
3921		}
3922		cpi->protocol = PROTO_SCSI;
3923		cpi->protocol_version = SCSI_REV_2;
3924		strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
3925		strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
3926		strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
3927		cpi->unit_number = cam_sim_unit(sim);
3928		cpi->ccb_h.status = CAM_REQ_CMP;
3929		xpt_done(ccb);
3930		break;
3931	}
3932	default:
3933		ccb->ccb_h.status = CAM_REQ_INVALID;
3934		xpt_done(ccb);
3935		break;
3936	}
3937}
3938
3939#define	ISPDDB	(CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB)
3940
3941void
3942isp_done(XS_T *sccb)
3943{
3944	ispsoftc_t *isp = XS_ISP(sccb);
3945	uint32_t status;
3946
3947	if (XS_NOERR(sccb))
3948		XS_SETERR(sccb, CAM_REQ_CMP);
3949
3950	if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) {
3951		sccb->ccb_h.status &= ~CAM_STATUS_MASK;
3952		if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
3953			sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
3954		} else {
3955			sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
3956		}
3957	}
3958
3959	sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
3960	status = sccb->ccb_h.status & CAM_STATUS_MASK;
3961	if (status != CAM_REQ_CMP) {
3962		if (status != CAM_SEL_TIMEOUT)
3963			isp_prt(isp, ISP_LOGDEBUG0,
3964			    "target %d lun %jx CAM status 0x%x SCSI status 0x%x",
3965			    XS_TGT(sccb), (uintmax_t)XS_LUN(sccb),
3966			    sccb->ccb_h.status, sccb->scsi_status);
3967		else if ((IS_FC(isp))
3968		      && (XS_TGT(sccb) < MAX_FC_TARG)) {
3969			fcparam *fcp;
3970
3971			fcp = FCPARAM(isp, XS_CHANNEL(sccb));
3972			fcp->portdb[XS_TGT(sccb)].is_target = 0;
3973		}
3974		if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
3975			sccb->ccb_h.status |= CAM_DEV_QFRZN;
3976			xpt_freeze_devq(sccb->ccb_h.path, 1);
3977		}
3978	}
3979
3980	if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) && (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3981		xpt_print(sccb->ccb_h.path, "cam completion status 0x%x\n", sccb->ccb_h.status);
3982	}
3983
3984	if (ISP_PCMD(sccb)) {
3985		if (callout_active(&PISP_PCMD(sccb)->wdog))
3986			callout_stop(&PISP_PCMD(sccb)->wdog);
3987		isp_free_pcmd(isp, (union ccb *) sccb);
3988	}
3989	xpt_done((union ccb *) sccb);
3990}
3991
3992void
3993isp_async(ispsoftc_t *isp, ispasync_t cmd, ...)
3994{
3995	int bus;
3996	static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s";
3997	char buf[64];
3998	char *msg = NULL;
3999	target_id_t tgt;
4000	fcportdb_t *lp;
4001	struct isp_fc *fc;
4002	struct cam_path *tmppath;
4003	struct ac_contract ac;
4004	struct ac_device_changed *adc;
4005	va_list ap;
4006
4007	switch (cmd) {
4008	case ISPASYNC_NEW_TGT_PARAMS:
4009	{
4010		struct ccb_trans_settings_scsi *scsi;
4011		struct ccb_trans_settings_spi *spi;
4012		int flags, tgt;
4013		sdparam *sdp;
4014		struct ccb_trans_settings cts;
4015
4016		memset(&cts, 0, sizeof (struct ccb_trans_settings));
4017
4018		va_start(ap, cmd);
4019		bus = va_arg(ap, int);
4020		tgt = va_arg(ap, int);
4021		va_end(ap);
4022		sdp = SDPARAM(isp, bus);
4023
4024		if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
4025			isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus);
4026			break;
4027		}
4028		flags = sdp->isp_devparam[tgt].actv_flags;
4029		cts.type = CTS_TYPE_CURRENT_SETTINGS;
4030		cts.protocol = PROTO_SCSI;
4031		cts.transport = XPORT_SPI;
4032
4033		scsi = &cts.proto_specific.scsi;
4034		spi = &cts.xport_specific.spi;
4035
4036		if (flags & DPARM_TQING) {
4037			scsi->valid |= CTS_SCSI_VALID_TQ;
4038			scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
4039		}
4040
4041		if (flags & DPARM_DISC) {
4042			spi->valid |= CTS_SPI_VALID_DISC;
4043			spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
4044		}
4045		spi->flags |= CTS_SPI_VALID_BUS_WIDTH;
4046		if (flags & DPARM_WIDE) {
4047			spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
4048		} else {
4049			spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
4050		}
4051		if (flags & DPARM_SYNC) {
4052			spi->valid |= CTS_SPI_VALID_SYNC_RATE;
4053			spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
4054			spi->sync_period = sdp->isp_devparam[tgt].actv_period;
4055			spi->sync_offset = sdp->isp_devparam[tgt].actv_offset;
4056		}
4057		isp_prt(isp, ISP_LOGDEBUG2, "NEW_TGT_PARAMS bus %d tgt %d period %x offset %x flags %x", bus, tgt, sdp->isp_devparam[tgt].actv_period, sdp->isp_devparam[tgt].actv_offset, flags);
4058		xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
4059		xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
4060		xpt_free_path(tmppath);
4061		break;
4062	}
4063	case ISPASYNC_BUS_RESET:
4064	{
4065		va_start(ap, cmd);
4066		bus = va_arg(ap, int);
4067		va_end(ap);
4068		isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus);
4069		if (IS_FC(isp)) {
4070			xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL);
4071		} else {
4072			xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL);
4073		}
4074		break;
4075	}
4076	case ISPASYNC_LIP:
4077		if (msg == NULL)
4078			msg = "LIP Received";
4079		/* FALLTHROUGH */
4080	case ISPASYNC_LOOP_RESET:
4081		if (msg == NULL)
4082			msg = "LOOP Reset";
4083		/* FALLTHROUGH */
4084	case ISPASYNC_LOOP_DOWN:
4085		if (msg == NULL)
4086			msg = "LOOP Down";
4087		va_start(ap, cmd);
4088		bus = va_arg(ap, int);
4089		va_end(ap);
4090		isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0);
4091		isp_loop_changed(isp, bus);
4092		isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
4093		break;
4094	case ISPASYNC_LOOP_UP:
4095		va_start(ap, cmd);
4096		bus = va_arg(ap, int);
4097		va_end(ap);
4098		isp_loop_changed(isp, bus);
4099		isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus);
4100		break;
4101	case ISPASYNC_DEV_ARRIVED:
4102		va_start(ap, cmd);
4103		bus = va_arg(ap, int);
4104		lp = va_arg(ap, fcportdb_t *);
4105		va_end(ap);
4106		fc = ISP_FC_PC(isp, bus);
4107		tgt = FC_PORTDB_TGT(isp, bus, lp);
4108		isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
4109		isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived");
4110		if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
4111		    (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) {
4112			lp->is_target = 1;
4113			isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
4114			isp_make_here(isp, lp, bus, tgt);
4115		}
4116		if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
4117		    (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) {
4118			lp->is_initiator = 1;
4119			ac.contract_number = AC_CONTRACT_DEV_CHG;
4120			adc = (struct ac_device_changed *) ac.contract_data;
4121			adc->wwpn = lp->port_wwn;
4122			adc->port = lp->portid;
4123			adc->target = tgt;
4124			adc->arrived = 1;
4125			xpt_async(AC_CONTRACT, fc->path, &ac);
4126		}
4127		break;
4128	case ISPASYNC_DEV_CHANGED:
4129		va_start(ap, cmd);
4130		bus = va_arg(ap, int);
4131		lp = va_arg(ap, fcportdb_t *);
4132		va_end(ap);
4133		fc = ISP_FC_PC(isp, bus);
4134		tgt = FC_PORTDB_TGT(isp, bus, lp);
4135		isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3);
4136		isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed");
4137changed:
4138		if (lp->is_target !=
4139		    ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
4140		     (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) {
4141			lp->is_target = !lp->is_target;
4142			if (lp->is_target) {
4143				isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
4144				isp_make_here(isp, lp, bus, tgt);
4145			} else {
4146				isp_make_gone(isp, lp, bus, tgt);
4147				isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
4148			}
4149		}
4150		if (lp->is_initiator !=
4151		    ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
4152		     (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) {
4153			lp->is_initiator = !lp->is_initiator;
4154			ac.contract_number = AC_CONTRACT_DEV_CHG;
4155			adc = (struct ac_device_changed *) ac.contract_data;
4156			adc->wwpn = lp->port_wwn;
4157			adc->port = lp->portid;
4158			adc->target = tgt;
4159			adc->arrived = lp->is_initiator;
4160			xpt_async(AC_CONTRACT, fc->path, &ac);
4161		}
4162		break;
4163	case ISPASYNC_DEV_STAYED:
4164		va_start(ap, cmd);
4165		bus = va_arg(ap, int);
4166		lp = va_arg(ap, fcportdb_t *);
4167		va_end(ap);
4168		fc = ISP_FC_PC(isp, bus);
4169		tgt = FC_PORTDB_TGT(isp, bus, lp);
4170		isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
4171		isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed");
4172		goto changed;
4173	case ISPASYNC_DEV_GONE:
4174		va_start(ap, cmd);
4175		bus = va_arg(ap, int);
4176		lp = va_arg(ap, fcportdb_t *);
4177		va_end(ap);
4178		fc = ISP_FC_PC(isp, bus);
4179		tgt = FC_PORTDB_TGT(isp, bus, lp);
4180		/*
4181		 * If this has a virtual target or initiator set the isp_gdt
4182		 * timer running on it to delay its departure.
4183		 */
4184		isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
4185		if (lp->is_target || lp->is_initiator) {
4186			lp->state = FC_PORTDB_STATE_ZOMBIE;
4187			lp->gone_timer = fc->gone_device_time;
4188			isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie");
4189			if (fc->ready && !callout_active(&fc->gdt)) {
4190				isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Starting Gone Device Timer with %u seconds time now %lu", bus, lp->gone_timer, (unsigned long)time_uptime);
4191				callout_reset(&fc->gdt, hz, isp_gdt, fc);
4192			}
4193			break;
4194		}
4195		isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone");
4196		break;
4197	case ISPASYNC_CHANGE_NOTIFY:
4198	{
4199		char *msg;
4200		int evt, nphdl, nlstate, portid, reason;
4201
4202		va_start(ap, cmd);
4203		bus = va_arg(ap, int);
4204		evt = va_arg(ap, int);
4205		if (evt == ISPASYNC_CHANGE_PDB) {
4206			nphdl = va_arg(ap, int);
4207			nlstate = va_arg(ap, int);
4208			reason = va_arg(ap, int);
4209		} else if (evt == ISPASYNC_CHANGE_SNS) {
4210			portid = va_arg(ap, int);
4211		} else {
4212			nphdl = NIL_HANDLE;
4213			nlstate = reason = 0;
4214		}
4215		va_end(ap);
4216		fc = ISP_FC_PC(isp, bus);
4217
4218		if (evt == ISPASYNC_CHANGE_PDB) {
4219			msg = "Port Database Changed";
4220			isp_prt(isp, ISP_LOGINFO,
4221			    "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)",
4222			    bus, msg, nphdl, nlstate, reason);
4223		} else if (evt == ISPASYNC_CHANGE_SNS) {
4224			msg = "Name Server Database Changed";
4225			isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)",
4226			    bus, msg, portid);
4227		} else {
4228			msg = "Other Change Notify";
4229			isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
4230		}
4231		isp_loop_changed(isp, bus);
4232		break;
4233	}
4234#ifdef	ISP_TARGET_MODE
4235	case ISPASYNC_TARGET_NOTIFY:
4236	{
4237		isp_notify_t *notify;
4238		va_start(ap, cmd);
4239		notify = va_arg(ap, isp_notify_t *);
4240		va_end(ap);
4241		switch (notify->nt_ncode) {
4242		case NT_ABORT_TASK:
4243		case NT_ABORT_TASK_SET:
4244		case NT_CLEAR_ACA:
4245		case NT_CLEAR_TASK_SET:
4246		case NT_LUN_RESET:
4247		case NT_TARGET_RESET:
4248		case NT_QUERY_TASK_SET:
4249		case NT_QUERY_ASYNC_EVENT:
4250			/*
4251			 * These are task management functions.
4252			 */
4253			isp_handle_platform_target_tmf(isp, notify);
4254			break;
4255		case NT_BUS_RESET:
4256		case NT_LIP_RESET:
4257		case NT_LINK_UP:
4258		case NT_LINK_DOWN:
4259		case NT_HBA_RESET:
4260			/*
4261			 * No action need be taken here.
4262			 */
4263			break;
4264		case NT_GLOBAL_LOGOUT:
4265		case NT_LOGOUT:
4266			/*
4267			 * This is device arrival/departure notification
4268			 */
4269			isp_handle_platform_target_notify_ack(isp, notify, 0);
4270			break;
4271		default:
4272			isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode);
4273			isp_handle_platform_target_notify_ack(isp, notify, 0);
4274			break;
4275		}
4276		break;
4277	}
4278	case ISPASYNC_TARGET_NOTIFY_ACK:
4279	{
4280		void *inot;
4281		va_start(ap, cmd);
4282		inot = va_arg(ap, void *);
4283		va_end(ap);
4284		if (isp_notify_ack(isp, inot)) {
4285			isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT);
4286			if (tp) {
4287				tp->isp = isp;
4288				if (inot) {
4289					memcpy(tp->data, inot, sizeof (tp->data));
4290					tp->not = tp->data;
4291				} else {
4292					tp->not = NULL;
4293				}
4294				callout_init_mtx(&tp->timer, &isp->isp_lock, 0);
4295				callout_reset(&tp->timer, 5,
4296				    isp_refire_notify_ack, tp);
4297			} else {
4298				isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire");
4299			}
4300		}
4301		break;
4302	}
4303	case ISPASYNC_TARGET_ACTION:
4304	{
4305		isphdr_t *hp;
4306
4307		va_start(ap, cmd);
4308		hp = va_arg(ap, isphdr_t *);
4309		va_end(ap);
4310		switch (hp->rqs_entry_type) {
4311		default:
4312			isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type);
4313			break;
4314		case RQSTYPE_NOTIFY:
4315			if (IS_24XX(isp)) {
4316				isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp);
4317			} else {
4318				isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp);
4319			}
4320			break;
4321		case RQSTYPE_ATIO:
4322			isp_handle_platform_atio7(isp, (at7_entry_t *) hp);
4323			break;
4324		case RQSTYPE_ATIO2:
4325			isp_handle_platform_atio2(isp, (at2_entry_t *) hp);
4326			break;
4327		case RQSTYPE_CTIO7:
4328		case RQSTYPE_CTIO3:
4329		case RQSTYPE_CTIO2:
4330		case RQSTYPE_CTIO:
4331			isp_handle_platform_ctio(isp, hp);
4332			break;
4333		case RQSTYPE_ABTS_RCVD:
4334		{
4335			abts_t *abts = (abts_t *)hp;
4336			isp_notify_t notify, *nt = &notify;
4337			atio_private_data_t *atp;
4338			fcportdb_t *lp;
4339			uint16_t chan;
4340			uint32_t sid, did;
4341
4342			did = (abts->abts_did_hi << 16) | abts->abts_did_lo;
4343			sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo;
4344			ISP_MEMZERO(nt, sizeof (isp_notify_t));
4345
4346			nt->nt_hba = isp;
4347			nt->nt_did = did;
4348			nt->nt_nphdl = abts->abts_nphdl;
4349			nt->nt_sid = sid;
4350			isp_find_chan_by_did(isp, did, &chan);
4351			if (chan == ISP_NOCHAN) {
4352				nt->nt_tgt = TGT_ANY;
4353			} else {
4354				nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn;
4355				if (isp_find_pdb_by_handle(isp, chan, abts->abts_nphdl, &lp)) {
4356					nt->nt_wwn = lp->port_wwn;
4357				} else {
4358					nt->nt_wwn = INI_ANY;
4359				}
4360			}
4361			/*
4362			 * Try hard to find the lun for this command.
4363			 */
4364			atp = isp_find_atpd(isp, chan, abts->abts_rxid_task);
4365			nt->nt_lun = atp ? atp->lun : LUN_ANY;
4366			nt->nt_need_ack = 1;
4367			nt->nt_tagval = abts->abts_rxid_task;
4368			nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32);
4369			if (abts->abts_rxid_task == ISP24XX_NO_TASK) {
4370				isp_prt(isp, ISP_LOGTINFO, "[0x%x] ABTS from N-Port handle 0x%x Port 0x%06x has no task id (rx_id 0x%04x ox_id 0x%04x)",
4371				    abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id);
4372			} else {
4373				isp_prt(isp, ISP_LOGTINFO, "[0x%x] ABTS from N-Port handle 0x%x Port 0x%06x for task 0x%x (rx_id 0x%04x ox_id 0x%04x)",
4374				    abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id);
4375			}
4376			nt->nt_channel = chan;
4377			nt->nt_ncode = NT_ABORT_TASK;
4378			nt->nt_lreserved = hp;
4379			isp_handle_platform_target_tmf(isp, nt);
4380			break;
4381		}
4382		}
4383		break;
4384	}
4385#endif
4386	case ISPASYNC_FW_CRASH:
4387	{
4388		uint16_t mbox1, mbox6;
4389		mbox1 = ISP_READ(isp, OUTMAILBOX1);
4390		if (IS_DUALBUS(isp)) {
4391			mbox6 = ISP_READ(isp, OUTMAILBOX6);
4392		} else {
4393			mbox6 = 0;
4394		}
4395		isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1);
4396		mbox1 = isp->isp_osinfo.mbox_sleep_ok;
4397		isp->isp_osinfo.mbox_sleep_ok = 0;
4398		isp_reinit(isp, 1);
4399		isp->isp_osinfo.mbox_sleep_ok = mbox1;
4400		isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
4401		break;
4402	}
4403	default:
4404		isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
4405		break;
4406	}
4407}
4408
4409
4410/*
4411 * Locks are held before coming here.
4412 */
4413void
4414isp_uninit(ispsoftc_t *isp)
4415{
4416	if (IS_24XX(isp)) {
4417		ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET);
4418	} else {
4419		ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
4420	}
4421	ISP_DISABLE_INTS(isp);
4422}
4423
4424uint64_t
4425isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn)
4426{
4427	uint64_t seed;
4428	struct isp_fc *fc = ISP_FC_PC(isp, chan);
4429
4430	/* First try to use explicitly configured WWNs. */
4431	seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
4432	if (seed)
4433		return (seed);
4434
4435	/* Otherwise try to use WWNs from NVRAM. */
4436	if (isactive) {
4437		seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram :
4438		    FCPARAM(isp, chan)->isp_wwpn_nvram;
4439		if (seed)
4440			return (seed);
4441	}
4442
4443	/* If still no WWNs, try to steal them from the first channel. */
4444	if (chan > 0) {
4445		seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn :
4446		    ISP_FC_PC(isp, 0)->def_wwpn;
4447		if (seed == 0) {
4448			seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram :
4449			    FCPARAM(isp, 0)->isp_wwpn_nvram;
4450		}
4451	}
4452
4453	/* If still nothing -- improvise. */
4454	if (seed == 0) {
4455		seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev);
4456		if (!iswwnn)
4457			seed ^= 0x0100000000000000ULL;
4458	}
4459
4460	/* For additional channels we have to improvise even more. */
4461	if (!iswwnn && chan > 0) {
4462		/*
4463		 * We'll stick our channel number plus one first into bits
4464		 * 57..59 and thence into bits 52..55 which allows for 8 bits
4465		 * of channel which is enough for our maximum of 255 channels.
4466		 */
4467		seed ^= 0x0100000000000000ULL;
4468		seed ^= ((uint64_t) (chan + 1) & 0xf) << 56;
4469		seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52;
4470	}
4471	return (seed);
4472}
4473
4474void
4475isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
4476{
4477	int loc;
4478	char lbuf[200];
4479	va_list ap;
4480
4481	if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
4482		return;
4483	}
4484	snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev));
4485	loc = strlen(lbuf);
4486	va_start(ap, fmt);
4487	vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap);
4488	va_end(ap);
4489	printf("%s\n", lbuf);
4490}
4491
4492void
4493isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...)
4494{
4495	va_list ap;
4496	if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
4497		return;
4498	}
4499	xpt_print_path(xs->ccb_h.path);
4500	va_start(ap, fmt);
4501	vprintf(fmt, ap);
4502	va_end(ap);
4503	printf("\n");
4504}
4505
4506uint64_t
4507isp_nanotime_sub(struct timespec *b, struct timespec *a)
4508{
4509	uint64_t elapsed;
4510	struct timespec x = *b;
4511	timespecsub(&x, a);
4512	elapsed = GET_NANOSEC(&x);
4513	if (elapsed == 0)
4514		elapsed++;
4515	return (elapsed);
4516}
4517
4518int
4519isp_mbox_acquire(ispsoftc_t *isp)
4520{
4521	if (isp->isp_osinfo.mboxbsy) {
4522		return (1);
4523	} else {
4524		isp->isp_osinfo.mboxcmd_done = 0;
4525		isp->isp_osinfo.mboxbsy = 1;
4526		return (0);
4527	}
4528}
4529
4530void
4531isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp)
4532{
4533	unsigned int usecs = mbp->timeout;
4534	unsigned int max, olim, ilim;
4535
4536	if (usecs == 0) {
4537		usecs = MBCMD_DEFAULT_TIMEOUT;
4538	}
4539	max = isp->isp_mbxwrk0 + 1;
4540
4541	if (isp->isp_osinfo.mbox_sleep_ok) {
4542		unsigned int ms = (usecs + 999) / 1000;
4543
4544		isp->isp_osinfo.mbox_sleep_ok = 0;
4545		isp->isp_osinfo.mbox_sleeping = 1;
4546		for (olim = 0; olim < max; olim++) {
4547			msleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, PRIBIO, "ispmbx_sleep", isp_mstohz(ms));
4548			if (isp->isp_osinfo.mboxcmd_done) {
4549				break;
4550			}
4551		}
4552		isp->isp_osinfo.mbox_sleep_ok = 1;
4553		isp->isp_osinfo.mbox_sleeping = 0;
4554	} else {
4555		for (olim = 0; olim < max; olim++) {
4556			for (ilim = 0; ilim < usecs; ilim += 100) {
4557				uint16_t isr, sema, info;
4558				if (isp->isp_osinfo.mboxcmd_done) {
4559					break;
4560				}
4561				if (ISP_READ_ISR(isp, &isr, &sema, &info)) {
4562					isp_intr(isp, isr, sema, info);
4563					if (isp->isp_osinfo.mboxcmd_done) {
4564						break;
4565					}
4566				}
4567				ISP_DELAY(100);
4568			}
4569			if (isp->isp_osinfo.mboxcmd_done) {
4570				break;
4571			}
4572		}
4573	}
4574	if (isp->isp_osinfo.mboxcmd_done == 0) {
4575		isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)",
4576		    isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno);
4577		mbp->param[0] = MBOX_TIMEOUT;
4578		isp->isp_osinfo.mboxcmd_done = 1;
4579	}
4580}
4581
4582void
4583isp_mbox_notify_done(ispsoftc_t *isp)
4584{
4585	if (isp->isp_osinfo.mbox_sleeping) {
4586		wakeup(&isp->isp_mbxworkp);
4587	}
4588	isp->isp_osinfo.mboxcmd_done = 1;
4589}
4590
4591void
4592isp_mbox_release(ispsoftc_t *isp)
4593{
4594	isp->isp_osinfo.mboxbsy = 0;
4595}
4596
4597int
4598isp_fc_scratch_acquire(ispsoftc_t *isp, int chan)
4599{
4600	int ret = 0;
4601	if (isp->isp_osinfo.pc.fc[chan].fcbsy) {
4602		ret = -1;
4603	} else {
4604		isp->isp_osinfo.pc.fc[chan].fcbsy = 1;
4605	}
4606	return (ret);
4607}
4608
4609int
4610isp_mstohz(int ms)
4611{
4612	int hz;
4613	struct timeval t;
4614	t.tv_sec = ms / 1000;
4615	t.tv_usec = (ms % 1000) * 1000;
4616	hz = tvtohz(&t);
4617	if (hz < 0) {
4618		hz = 0x7fffffff;
4619	}
4620	if (hz == 0) {
4621		hz = 1;
4622	}
4623	return (hz);
4624}
4625
4626void
4627isp_platform_intr(void *arg)
4628{
4629	ispsoftc_t *isp = arg;
4630	uint16_t isr, sema, info;
4631
4632	ISP_LOCK(isp);
4633	isp->isp_intcnt++;
4634	if (ISP_READ_ISR(isp, &isr, &sema, &info))
4635		isp_intr(isp, isr, sema, info);
4636	else
4637		isp->isp_intbogus++;
4638	ISP_UNLOCK(isp);
4639}
4640
4641void
4642isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl)
4643{
4644	if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
4645		bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD);
4646	} else {
4647		bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE);
4648	}
4649	bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
4650}
4651
4652/*
4653 * Reset the command reference number for all LUNs on a specific target
4654 * (needed when a target arrives again) or for all targets on a port
4655 * (needed for events like a LIP).
4656 */
4657void
4658isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set)
4659{
4660	struct isp_fc *fc = ISP_FC_PC(isp, chan);
4661	struct isp_nexus *nxp;
4662	int i;
4663
4664	if (tgt_set == 0)
4665		isp_prt(isp, ISP_LOGDEBUG0,
4666		    "Chan %d resetting CRN on all targets", chan);
4667	else
4668		isp_prt(isp, ISP_LOGDEBUG0,
4669		    "Chan %d resetting CRN on target %u", chan, tgt);
4670
4671	for (i = 0; i < NEXUS_HASH_WIDTH; i++) {
4672		for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) {
4673			if (tgt_set == 0 || tgt == nxp->tgt)
4674				nxp->crnseed = 0;
4675		}
4676	}
4677}
4678
4679int
4680isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd)
4681{
4682	lun_id_t lun;
4683	uint32_t chan, tgt;
4684	struct isp_fc *fc;
4685	struct isp_nexus *nxp;
4686	int idx;
4687
4688	if (IS_2100(isp))
4689		return (0);
4690
4691	chan = XS_CHANNEL(cmd);
4692	tgt = XS_TGT(cmd);
4693	lun = XS_LUN(cmd);
4694	fc = &isp->isp_osinfo.pc.fc[chan];
4695	idx = NEXUS_HASH(tgt, lun);
4696	nxp = fc->nexus_hash[idx];
4697
4698	while (nxp) {
4699		if (nxp->tgt == tgt && nxp->lun == lun)
4700			break;
4701		nxp = nxp->next;
4702	}
4703	if (nxp == NULL) {
4704		nxp = fc->nexus_free_list;
4705		if (nxp == NULL) {
4706			nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT);
4707			if (nxp == NULL) {
4708				return (-1);
4709			}
4710		} else {
4711			fc->nexus_free_list = nxp->next;
4712		}
4713		nxp->tgt = tgt;
4714		nxp->lun = lun;
4715		nxp->next = fc->nexus_hash[idx];
4716		fc->nexus_hash[idx] = nxp;
4717	}
4718	if (nxp->crnseed == 0)
4719		nxp->crnseed = 1;
4720	PISP_PCMD(cmd)->crn = nxp->crnseed;
4721	*crnp = nxp->crnseed++;
4722	return (0);
4723}
4724
4725/*
4726 * We enter with the lock held
4727 */
4728void
4729isp_timer(void *arg)
4730{
4731	ispsoftc_t *isp = arg;
4732#ifdef	ISP_TARGET_MODE
4733	isp_tmcmd_restart(isp);
4734#endif
4735	callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
4736}
4737
4738isp_ecmd_t *
4739isp_get_ecmd(ispsoftc_t *isp)
4740{
4741	isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free;
4742	if (ecmd) {
4743		isp->isp_osinfo.ecmd_free = ecmd->next;
4744	}
4745	return (ecmd);
4746}
4747
4748void
4749isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd)
4750{
4751	ecmd->next = isp->isp_osinfo.ecmd_free;
4752	isp->isp_osinfo.ecmd_free = ecmd;
4753}
4754