xref: /dragonfly/sys/dev/disk/isp/isp_freebsd.c (revision 37de577a)
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  * $FreeBSD: src/sys/dev/isp/isp_freebsd.c,v 1.176 2011/11/06 00:44:40 mjacob Exp $
27  */
28 
29 /*
30  * Platform (FreeBSD) dependent common attachment code for Qlogic adapters.
31  */
32 #include <dev/disk/isp/isp_freebsd.h>
33 #include <sys/unistd.h>
34 #include <sys/kthread.h>
35 #include <sys/conf.h>
36 #include <sys/module.h>
37 #include <dev/disk/isp/isp_ioctl.h>
38 #include <bus/cam/cam_periph.h>
39 #include <bus/cam/cam_xpt_periph.h>
40 #include <sys/device.h>
41 
42 #define	THREAD_CREATE	kthread_create
43 
44 MODULE_VERSION(isp, 1);
45 MODULE_DEPEND(isp, cam, 1, 1, 1);
46 int isp_announced = 0;
47 int isp_fabric_hysteresis = 5;
48 int isp_loop_down_limit = 60;	/* default loop down limit */
49 int isp_change_is_bad = 0;	/* "changed" devices are bad */
50 int isp_quickboot_time = 7;	/* don't wait more than N secs for loop up */
51 int isp_gone_device_time = 30;	/* grace time before reporting device lost */
52 int isp_autoconfig = 1;		/* automatically attach/detach devices */
53 static const char *roles[4] = {
54     "(none)", "Target", "Initiator", "Target/Initiator"
55 };
56 static const char prom3[] = "Chan %d PortID 0x%06x Departed from Target %u because of %s";
57 #ifdef ISP_TARGET_MODE
58 static const char rqo[] = "%s: Request Queue Overflow\n";
59 #endif
60 
61 static void isp_freeze_loopdown(ispsoftc_t *, int, char *);
62 static d_ioctl_t ispioctl;
63 static void isp_intr_enable(void *);
64 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *);
65 static void isp_poll(struct cam_sim *);
66 static timeout_t isp_watchdog;
67 static timeout_t isp_gdt;
68 static task_fn_t isp_gdt_task;
69 static timeout_t isp_ldt;
70 static task_fn_t isp_ldt_task;
71 static void isp_kthread(void *);
72 static void isp_action(struct cam_sim *, union ccb *);
73 #ifdef	ISP_INTERNAL_TARGET
74 static void isp_target_thread_pi(void *);
75 static void isp_target_thread_fc(void *);
76 #endif
77 static void isp_timer(void *);
78 
79 static struct dev_ops isp_ops = {
80 	{ "isp", 0, D_MPSAFE },
81 	.d_ioctl =	ispioctl,
82 };
83 
84 static int
85 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
86 {
87 	struct ccb_setasync *csa;
88 	struct cam_sim *sim;
89 	struct cam_path *path;
90 
91 	/*
92 	 * Construct our SIM entry.
93 	 */
94 	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);
95 	cam_simq_release(devq);
96 
97 	if (sim == NULL) {
98 		return (ENOMEM);
99 	}
100 
101 	ISP_LOCK(isp);
102 	if (xpt_bus_register(sim, chan) != CAM_SUCCESS) {
103 		ISP_UNLOCK(isp);
104 		cam_sim_free(sim);
105 		return (EIO);
106 	}
107 	ISP_UNLOCK(isp);
108 	if (xpt_create_path_unlocked(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
109 		ISP_LOCK(isp);
110 		xpt_bus_deregister(cam_sim_path(sim));
111 		ISP_UNLOCK(isp);
112 		cam_sim_free(sim);
113 		return (ENXIO);
114 	}
115 	csa = &xpt_alloc_ccb()->csa;
116 	xpt_setup_ccb(&csa->ccb_h, path, 5);
117 	csa->ccb_h.func_code = XPT_SASYNC_CB;
118 	csa->event_enable = AC_LOST_DEVICE;
119 	csa->callback = isp_cam_async;
120 	csa->callback_arg = sim;
121 	xpt_action((union ccb *)csa);
122 	xpt_free_ccb(&csa->ccb_h);
123 
124 	if (IS_SCSI(isp)) {
125 		struct isp_spi *spi = ISP_SPI_PC(isp, chan);
126 		spi->sim = sim;
127 		spi->path = path;
128 #ifdef	ISP_INTERNAL_TARGET
129 		ISP_SET_PC(isp, chan, proc_active, 1);
130 		if (THREAD_CREATE(isp_target_thread_pi, spi, &spi->target_proc, "%s: isp_test_tgt%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
131 			ISP_SET_PC(isp, chan, proc_active, 0);
132 			isp_prt(isp, ISP_LOGERR, "cannot create test target thread");
133 		}
134 #endif
135 	} else {
136 		fcparam *fcp = FCPARAM(isp, chan);
137 		struct isp_fc *fc = ISP_FC_PC(isp, chan);
138 
139 		ISP_LOCK(isp);
140 		fc->sim = sim;
141 		fc->path = path;
142 		fc->isp = isp;
143 		fc->ready = 1;
144 
145 		callout_init(&fc->ldt);
146 		callout_init(&fc->gdt);
147 		TASK_INIT(&fc->ltask, 1, isp_ldt_task, fc);
148 		TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc);
149 
150 		/*
151 		 * We start by being "loop down" if we have an initiator role
152 		 */
153 		if (fcp->role & ISP_ROLE_INITIATOR) {
154 			isp_freeze_loopdown(isp, chan, "isp_attach");
155 			callout_reset(&fc->ldt, isp_quickboot_time * hz, isp_ldt, fc);
156 			isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Starting Initial Loop Down Timer @ %lu", (unsigned long) time_second);
157 		}
158 		ISP_UNLOCK(isp);
159 		if (THREAD_CREATE(isp_kthread, fc, &fc->kthread, "%s: fc_thrd%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
160 			xpt_free_path(fc->path);
161 			ISP_LOCK(isp);
162 			if (callout_active(&fc->ldt)) {
163 				callout_stop(&fc->ldt);
164 			}
165 			xpt_bus_deregister(cam_sim_path(fc->sim));
166 			ISP_UNLOCK(isp);
167 			cam_sim_free(fc->sim);
168 			return (ENOMEM);
169 		}
170 #ifdef	ISP_INTERNAL_TARGET
171 		ISP_SET_PC(isp, chan, proc_active, 1);
172 		if (THREAD_CREATE(isp_target_thread_fc, fc, &fc->target_proc, "%s: isp_test_tgt%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
173 			ISP_SET_PC(isp, chan, proc_active, 0);
174 			isp_prt(isp, ISP_LOGERR, "cannot create test target thread");
175 		}
176 #endif
177 		if (chan == 0) {
178 			struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev);
179 			struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev);
180 			SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "wwnn", CTLFLAG_RD, &FCPARAM(isp, 0)->isp_wwnn, 0, "World Wide Node Name");
181 			SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "wwpn", CTLFLAG_RD, &FCPARAM(isp, 0)->isp_wwpn, 0, "World Wide Port Name");
182 			SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "loop_down_limit", CTLFLAG_RW, &ISP_FC_PC(isp, 0)->loop_down_limit, 0, "Loop Down Limit");
183 			SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "gone_device_time", CTLFLAG_RW, &ISP_FC_PC(isp, 0)->gone_device_time, 0, "Gone Device Time");
184 		}
185 	}
186 	return (0);
187 }
188 
189 int
190 isp_attach(ispsoftc_t *isp)
191 {
192 	const char *nu = device_get_nameunit(isp->isp_osinfo.dev);
193 	int du = device_get_unit(isp->isp_dev);
194 	int chan;
195 
196 	isp->isp_osinfo.ehook.ich_func = isp_intr_enable;
197 	isp->isp_osinfo.ehook.ich_arg = isp;
198 	isp->isp_osinfo.ehook.ich_desc = "isp";
199 	/*
200 	 * Haha. Set this first, because if we're loaded as a module isp_intr_enable
201 	 * will be called right awawy, which will clear isp_osinfo.ehook_active,
202 	 * which would be unwise to then set again later.
203 	 */
204 	isp->isp_osinfo.ehook_active = 1;
205 	if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) {
206 		isp_prt(isp, ISP_LOGERR, "could not establish interrupt enable hook");
207 		return (-EIO);
208 	}
209 
210 	/*
211 	 * Create the device queue for our SIM(s).
212 	 */
213 	isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds);
214 	if (isp->isp_osinfo.devq == NULL) {
215 		config_intrhook_disestablish(&isp->isp_osinfo.ehook);
216 		return (EIO);
217 	}
218 
219 	for (chan = 0; chan < isp->isp_nchan; chan++) {
220 		if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) {
221 			goto unwind;
222 		}
223 	}
224 
225 	callout_init(&isp->isp_osinfo.tmo);
226 	callout_reset(&isp->isp_osinfo.tmo, hz, isp_timer, isp);
227 	isp->isp_osinfo.timer_active = 1;
228 
229 	isp->isp_osinfo.cdev = make_dev(&isp_ops, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu);
230 	if (isp->isp_osinfo.cdev) {
231 		isp->isp_osinfo.cdev->si_drv1 = isp;
232 	}
233 	return (0);
234 
235 unwind:
236 	while (--chan >= 0) {
237 		struct cam_sim *sim;
238 		struct cam_path *path;
239 		if (IS_FC(isp)) {
240 			sim = ISP_FC_PC(isp, chan)->sim;
241 			path = ISP_FC_PC(isp, chan)->path;
242 		} else {
243 			sim = ISP_SPI_PC(isp, chan)->sim;
244 			path = ISP_SPI_PC(isp, chan)->path;
245 		}
246 		xpt_free_path(path);
247 		ISP_LOCK(isp);
248 		xpt_bus_deregister(cam_sim_path(sim));
249 		ISP_UNLOCK(isp);
250 		cam_sim_free(sim);
251 	}
252 	if (isp->isp_osinfo.ehook_active) {
253 		config_intrhook_disestablish(&isp->isp_osinfo.ehook);
254 		isp->isp_osinfo.ehook_active = 0;
255 	}
256 	if (isp->isp_osinfo.cdev) {
257 		destroy_dev(isp->isp_osinfo.cdev);
258 		isp->isp_osinfo.cdev = NULL;
259 	}
260 	isp->isp_osinfo.devq = NULL;
261 	return (-1);
262 }
263 
264 int
265 isp_detach(ispsoftc_t *isp)
266 {
267 	struct cam_sim *sim;
268 	struct cam_path *path;
269 	struct ccb_setasync *csa;
270 	int chan;
271 
272 	ISP_LOCK(isp);
273 	for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
274 		if (IS_FC(isp)) {
275 			sim = ISP_FC_PC(isp, chan)->sim;
276 			path = ISP_FC_PC(isp, chan)->path;
277 		} else {
278 			sim = ISP_SPI_PC(isp, chan)->sim;
279 			path = ISP_SPI_PC(isp, chan)->path;
280 		}
281 		if (sim->refcount > 2) {
282 			ISP_UNLOCK(isp);
283 			return (EBUSY);
284 		}
285 	}
286 	if (isp->isp_osinfo.timer_active) {
287 		callout_stop(&isp->isp_osinfo.tmo);
288 		isp->isp_osinfo.timer_active = 0;
289 	}
290 	for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
291 		if (IS_FC(isp)) {
292 			sim = ISP_FC_PC(isp, chan)->sim;
293 			path = ISP_FC_PC(isp, chan)->path;
294 		} else {
295 			sim = ISP_SPI_PC(isp, chan)->sim;
296 			path = ISP_SPI_PC(isp, chan)->path;
297 		}
298 		csa = &xpt_alloc_ccb()->csa;
299 		xpt_setup_ccb(&csa->ccb_h, path, 5);
300 		csa->ccb_h.func_code = XPT_SASYNC_CB;
301 		csa->event_enable = 0;
302 		csa->callback = isp_cam_async;
303 		csa->callback_arg = sim;
304 		xpt_action((union ccb *)csa);
305 		xpt_free_ccb(&csa->ccb_h);
306 		xpt_free_path(path);
307 		xpt_bus_deregister(cam_sim_path(sim));
308 		cam_sim_free(sim);
309 	}
310 	ISP_UNLOCK(isp);
311 	if (isp->isp_osinfo.cdev) {
312 		destroy_dev(isp->isp_osinfo.cdev);
313 		isp->isp_osinfo.cdev = NULL;
314 	}
315 	if (isp->isp_osinfo.ehook_active) {
316 		config_intrhook_disestablish(&isp->isp_osinfo.ehook);
317 		isp->isp_osinfo.ehook_active = 0;
318 	}
319 	if (isp->isp_osinfo.devq != NULL) {
320 		isp->isp_osinfo.devq = NULL;
321 	}
322 	return (0);
323 }
324 
325 static void
326 isp_freeze_loopdown(ispsoftc_t *isp, int chan, char *msg)
327 {
328 	if (IS_FC(isp)) {
329 		struct isp_fc *fc = ISP_FC_PC(isp, chan);
330 		if (fc->simqfrozen == 0) {
331 			isp_prt(isp, ISP_LOGDEBUG0, "%s: freeze simq (loopdown) chan %d", msg, chan);
332 			fc->simqfrozen = SIMQFRZ_LOOPDOWN;
333 			xpt_freeze_simq(fc->sim, 1);
334 		} else {
335 			isp_prt(isp, ISP_LOGDEBUG0, "%s: mark frozen (loopdown) chan %d", msg, chan);
336 			fc->simqfrozen |= SIMQFRZ_LOOPDOWN;
337 		}
338 	}
339 }
340 
341 static void
342 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan)
343 {
344 	if (IS_FC(isp)) {
345 		struct isp_fc *fc = ISP_FC_PC(isp, chan);
346 		int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN;
347 		fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN;
348 		if (wasfrozen && fc->simqfrozen == 0) {
349 			isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d releasing simq", __func__, chan);
350 			xpt_release_simq(fc->sim, 1);
351 		}
352 	}
353 }
354 
355 
356 static int
357 ispioctl(struct dev_ioctl_args *ap)
358 {
359 	cdev_t dev = ap->a_head.a_dev;
360 	caddr_t addr = ap->a_data;
361 	u_long c = ap->a_cmd;
362 	ispsoftc_t *isp;
363 	int nr, chan, retval = ENOTTY;
364 
365 	isp = dev->si_drv1;
366 
367 	switch (c) {
368 	case ISP_SDBLEV:
369 	{
370 		int olddblev = isp->isp_dblev;
371 		isp->isp_dblev = *(int *)addr;
372 		*(int *)addr = olddblev;
373 		retval = 0;
374 		break;
375 	}
376 	case ISP_GETROLE:
377 		chan = *(int *)addr;
378 		if (chan < 0 || chan >= isp->isp_nchan) {
379 			retval = -ENXIO;
380 			break;
381 		}
382 		if (IS_FC(isp)) {
383 			*(int *)addr = FCPARAM(isp, chan)->role;
384 		} else {
385 			*(int *)addr = SDPARAM(isp, chan)->role;
386 		}
387 		retval = 0;
388 		break;
389 	case ISP_SETROLE:
390 		nr = *(int *)addr;
391 		chan = nr >> 8;
392 		if (chan < 0 || chan >= isp->isp_nchan) {
393 			retval = -ENXIO;
394 			break;
395 		}
396 		nr &= 0xff;
397 		if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
398 			retval = EINVAL;
399 			break;
400 		}
401 		if (IS_FC(isp)) {
402 			/*
403 			 * We don't really support dual role at present on FC cards.
404 			 *
405 			 * We should, but a bunch of things are currently broken,
406 			 * so don't allow it.
407 			 */
408 			if (nr == ISP_ROLE_BOTH) {
409 				isp_prt(isp, ISP_LOGERR, "cannot support dual role at present");
410 				retval = EINVAL;
411 				break;
412 			}
413 			*(int *)addr = FCPARAM(isp, chan)->role;
414 #ifdef	ISP_INTERNAL_TARGET
415 			ISP_LOCK(isp);
416 			retval = isp_fc_change_role(isp, chan, nr);
417 			ISP_UNLOCK(isp);
418 #else
419 			FCPARAM(isp, chan)->role = nr;
420 #endif
421 		} else {
422 			*(int *)addr = SDPARAM(isp, chan)->role;
423 			SDPARAM(isp, chan)->role = nr;
424 		}
425 		retval = 0;
426 		break;
427 
428 	case ISP_RESETHBA:
429 		ISP_LOCK(isp);
430 #ifdef	ISP_TARGET_MODE
431 		isp_del_all_wwn_entries(isp, ISP_NOCHAN);
432 #endif
433 		isp_reinit(isp, 0);
434 		ISP_UNLOCK(isp);
435 		retval = 0;
436 		break;
437 
438 	case ISP_RESCAN:
439 		if (IS_FC(isp)) {
440 			chan = *(int *)addr;
441 			if (chan < 0 || chan >= isp->isp_nchan) {
442 				retval = -ENXIO;
443 				break;
444 			}
445 			ISP_LOCK(isp);
446 			if (isp_fc_runstate(isp, chan, 5 * 1000000)) {
447 				retval = EIO;
448 			} else {
449 				retval = 0;
450 			}
451 			ISP_UNLOCK(isp);
452 		}
453 		break;
454 
455 	case ISP_FC_LIP:
456 		if (IS_FC(isp)) {
457 			chan = *(int *)addr;
458 			if (chan < 0 || chan >= isp->isp_nchan) {
459 				retval = -ENXIO;
460 				break;
461 			}
462 			ISP_LOCK(isp);
463 			if (isp_control(isp, ISPCTL_SEND_LIP, chan)) {
464 				retval = EIO;
465 			} else {
466 				retval = 0;
467 			}
468 			ISP_UNLOCK(isp);
469 		}
470 		break;
471 	case ISP_FC_GETDINFO:
472 	{
473 		struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
474 		fcportdb_t *lp;
475 
476 		if (IS_SCSI(isp)) {
477 			break;
478 		}
479 		if (ifc->loopid >= MAX_FC_TARG) {
480 			retval = EINVAL;
481 			break;
482 		}
483 		lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid];
484 		if (lp->state == FC_PORTDB_STATE_VALID || lp->target_mode) {
485 			ifc->role = lp->roles;
486 			ifc->loopid = lp->handle;
487 			ifc->portid = lp->portid;
488 			ifc->node_wwn = lp->node_wwn;
489 			ifc->port_wwn = lp->port_wwn;
490 			retval = 0;
491 		} else {
492 			retval = ENODEV;
493 		}
494 		break;
495 	}
496 	case ISP_GET_STATS:
497 	{
498 		isp_stats_t *sp = (isp_stats_t *) addr;
499 
500 		ISP_MEMZERO(sp, sizeof (*sp));
501 		sp->isp_stat_version = ISP_STATS_VERSION;
502 		sp->isp_type = isp->isp_type;
503 		sp->isp_revision = isp->isp_revision;
504 		ISP_LOCK(isp);
505 		sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt;
506 		sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus;
507 		sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc;
508 		sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync;
509 		sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt;
510 		sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt;
511 		sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater;
512 		sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater;
513 		ISP_UNLOCK(isp);
514 		retval = 0;
515 		break;
516 	}
517 	case ISP_CLR_STATS:
518 		ISP_LOCK(isp);
519 		isp->isp_intcnt = 0;
520 		isp->isp_intbogus = 0;
521 		isp->isp_intmboxc = 0;
522 		isp->isp_intoasync = 0;
523 		isp->isp_rsltccmplt = 0;
524 		isp->isp_fphccmplt = 0;
525 		isp->isp_rscchiwater = 0;
526 		isp->isp_fpcchiwater = 0;
527 		ISP_UNLOCK(isp);
528 		retval = 0;
529 		break;
530 	case ISP_FC_GETHINFO:
531 	{
532 		struct isp_hba_device *hba = (struct isp_hba_device *) addr;
533 		int chan = hba->fc_channel;
534 
535 		if (chan < 0 || chan >= isp->isp_nchan) {
536 			retval = ENXIO;
537 			break;
538 		}
539 		hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
540 		hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
541 		hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
542 		hba->fc_nchannels = isp->isp_nchan;
543 		if (IS_FC(isp)) {
544 			hba->fc_nports = MAX_FC_TARG;
545 			hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed;
546 			hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1;
547 			hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid;
548 			hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram;
549 			hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram;
550 			hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn;
551 			hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn;
552 		} else {
553 			hba->fc_nports = MAX_TARGETS;
554 			hba->fc_speed = 0;
555 			hba->fc_topology = 0;
556 			hba->nvram_node_wwn = 0ull;
557 			hba->nvram_port_wwn = 0ull;
558 			hba->active_node_wwn = 0ull;
559 			hba->active_port_wwn = 0ull;
560 		}
561 		retval = 0;
562 		break;
563 	}
564 	case ISP_TSK_MGMT:
565 	{
566 		int needmarker;
567 		struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
568 		uint16_t loopid;
569 		mbreg_t mbs;
570 
571 		if (IS_SCSI(isp)) {
572 			break;
573 		}
574 
575 		chan = fct->chan;
576 		if (chan < 0 || chan >= isp->isp_nchan) {
577 			retval = -ENXIO;
578 			break;
579 		}
580 
581 		needmarker = retval = 0;
582 		loopid = fct->loopid;
583 		ISP_LOCK(isp);
584 		if (IS_24XX(isp)) {
585 			uint8_t local[QENTRY_LEN];
586 			isp24xx_tmf_t *tmf;
587 			isp24xx_statusreq_t *sp;
588 			fcparam *fcp = FCPARAM(isp, chan);
589 			fcportdb_t *lp;
590 			int i;
591 
592 			for (i = 0; i < MAX_FC_TARG; i++) {
593 				lp = &fcp->portdb[i];
594 				if (lp->handle == loopid) {
595 					break;
596 				}
597 			}
598 			if (i == MAX_FC_TARG) {
599 				retval = ENXIO;
600 				ISP_UNLOCK(isp);
601 				break;
602 			}
603 			/* XXX VALIDATE LP XXX */
604 			tmf = (isp24xx_tmf_t *) local;
605 			ISP_MEMZERO(tmf, QENTRY_LEN);
606 			tmf->tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT;
607 			tmf->tmf_header.rqs_entry_count = 1;
608 			tmf->tmf_nphdl = lp->handle;
609 			tmf->tmf_delay = 2;
610 			tmf->tmf_timeout = 2;
611 			tmf->tmf_tidlo = lp->portid;
612 			tmf->tmf_tidhi = lp->portid >> 16;
613 			tmf->tmf_vpidx = ISP_GET_VPIDX(isp, chan);
614 			tmf->tmf_lun[1] = fct->lun & 0xff;
615 			if (fct->lun >= 256) {
616 				tmf->tmf_lun[0] = 0x40 | (fct->lun >> 8);
617 			}
618 			switch (fct->action) {
619 			case IPT_CLEAR_ACA:
620 				tmf->tmf_flags = ISP24XX_TMF_CLEAR_ACA;
621 				break;
622 			case IPT_TARGET_RESET:
623 				tmf->tmf_flags = ISP24XX_TMF_TARGET_RESET;
624 				needmarker = 1;
625 				break;
626 			case IPT_LUN_RESET:
627 				tmf->tmf_flags = ISP24XX_TMF_LUN_RESET;
628 				needmarker = 1;
629 				break;
630 			case IPT_CLEAR_TASK_SET:
631 				tmf->tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET;
632 				needmarker = 1;
633 				break;
634 			case IPT_ABORT_TASK_SET:
635 				tmf->tmf_flags = ISP24XX_TMF_ABORT_TASK_SET;
636 				needmarker = 1;
637 				break;
638 			default:
639 				retval = EINVAL;
640 				break;
641 			}
642 			if (retval) {
643 				ISP_UNLOCK(isp);
644 				break;
645 			}
646 			MBSINIT(&mbs, MBOX_EXEC_COMMAND_IOCB_A64, MBLOGALL, 5000000);
647 			mbs.param[1] = QENTRY_LEN;
648 			mbs.param[2] = DMA_WD1(fcp->isp_scdma);
649 			mbs.param[3] = DMA_WD0(fcp->isp_scdma);
650 			mbs.param[6] = DMA_WD3(fcp->isp_scdma);
651 			mbs.param[7] = DMA_WD2(fcp->isp_scdma);
652 
653 			if (FC_SCRATCH_ACQUIRE(isp, chan)) {
654 				ISP_UNLOCK(isp);
655 				retval = ENOMEM;
656 				break;
657 			}
658 			isp_put_24xx_tmf(isp, tmf, fcp->isp_scratch);
659 			MEMORYBARRIER(isp, SYNC_SFORDEV, 0, QENTRY_LEN, chan);
660 			sp = (isp24xx_statusreq_t *) local;
661 			sp->req_completion_status = 1;
662 			retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
663 			MEMORYBARRIER(isp, SYNC_SFORCPU, QENTRY_LEN, QENTRY_LEN, chan);
664 			isp_get_24xx_response(isp, &((isp24xx_statusreq_t *)fcp->isp_scratch)[1], sp);
665 			FC_SCRATCH_RELEASE(isp, chan);
666 			if (retval || sp->req_completion_status != 0) {
667 				FC_SCRATCH_RELEASE(isp, chan);
668 				retval = EIO;
669 			}
670 			if (retval == 0) {
671 				if (needmarker) {
672 					fcp->sendmarker = 1;
673 				}
674 			}
675 		} else {
676 			MBSINIT(&mbs, 0, MBLOGALL, 0);
677 			if (ISP_CAP_2KLOGIN(isp) == 0) {
678 				loopid <<= 8;
679 			}
680 			switch (fct->action) {
681 			case IPT_CLEAR_ACA:
682 				mbs.param[0] = MBOX_CLEAR_ACA;
683 				mbs.param[1] = loopid;
684 				mbs.param[2] = fct->lun;
685 				break;
686 			case IPT_TARGET_RESET:
687 				mbs.param[0] = MBOX_TARGET_RESET;
688 				mbs.param[1] = loopid;
689 				needmarker = 1;
690 				break;
691 			case IPT_LUN_RESET:
692 				mbs.param[0] = MBOX_LUN_RESET;
693 				mbs.param[1] = loopid;
694 				mbs.param[2] = fct->lun;
695 				needmarker = 1;
696 				break;
697 			case IPT_CLEAR_TASK_SET:
698 				mbs.param[0] = MBOX_CLEAR_TASK_SET;
699 				mbs.param[1] = loopid;
700 				mbs.param[2] = fct->lun;
701 				needmarker = 1;
702 				break;
703 			case IPT_ABORT_TASK_SET:
704 				mbs.param[0] = MBOX_ABORT_TASK_SET;
705 				mbs.param[1] = loopid;
706 				mbs.param[2] = fct->lun;
707 				needmarker = 1;
708 				break;
709 			default:
710 				retval = EINVAL;
711 				break;
712 			}
713 			if (retval == 0) {
714 				if (needmarker) {
715 					FCPARAM(isp, chan)->sendmarker = 1;
716 				}
717 				retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
718 				if (retval) {
719 					retval = EIO;
720 				}
721 			}
722 		}
723 		ISP_UNLOCK(isp);
724 		break;
725 	}
726 	default:
727 		break;
728 	}
729 	return (retval);
730 }
731 
732 static void
733 isp_intr_enable(void *arg)
734 {
735 	int chan;
736 	ispsoftc_t *isp = arg;
737 	ISP_LOCK(isp);
738 	for (chan = 0; chan < isp->isp_nchan; chan++) {
739 		if (IS_FC(isp)) {
740 			if (FCPARAM(isp, chan)->role != ISP_ROLE_NONE) {
741 				ISP_ENABLE_INTS(isp);
742 				break;
743 			}
744 		} else {
745 			if (SDPARAM(isp, chan)->role != ISP_ROLE_NONE) {
746 				ISP_ENABLE_INTS(isp);
747 				break;
748 			}
749 		}
750 	}
751 	isp->isp_osinfo.ehook_active = 0;
752 	ISP_UNLOCK(isp);
753 	/* Release our hook so that the boot can continue. */
754 	config_intrhook_disestablish(&isp->isp_osinfo.ehook);
755 }
756 
757 /*
758  * Local Inlines
759  */
760 
761 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *);
762 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *);
763 
764 static ISP_INLINE int
765 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
766 {
767 	ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
768 	if (ISP_PCMD(ccb) == NULL) {
769 		return (-1);
770 	}
771 	isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
772 	return (0);
773 }
774 
775 static ISP_INLINE void
776 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
777 {
778 	((struct isp_pcmd *)ISP_PCMD(ccb))->next = isp->isp_osinfo.pcmd_free;
779 	isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
780 	ISP_PCMD(ccb) = NULL;
781 }
782 /*
783  * Put the target mode functions here, because some are inlines
784  */
785 
786 #ifdef	ISP_TARGET_MODE
787 static ISP_INLINE int is_lun_enabled(ispsoftc_t *, int, lun_id_t);
788 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
789 static ISP_INLINE tstate_t *get_lun_statep_from_tag(ispsoftc_t *, int, uint32_t);
790 static ISP_INLINE void rls_lun_statep(ispsoftc_t *, tstate_t *);
791 static ISP_INLINE inot_private_data_t *get_ntp_from_tagdata(ispsoftc_t *, uint32_t, uint32_t, tstate_t **);
792 static ISP_INLINE atio_private_data_t *isp_get_atpd(ispsoftc_t *, tstate_t *, uint32_t);
793 static ISP_INLINE void isp_put_atpd(ispsoftc_t *, tstate_t *, atio_private_data_t *);
794 static ISP_INLINE inot_private_data_t *isp_get_ntpd(ispsoftc_t *, tstate_t *);
795 static ISP_INLINE inot_private_data_t *isp_find_ntpd(ispsoftc_t *, tstate_t *, uint32_t, uint32_t);
796 static ISP_INLINE void isp_put_ntpd(ispsoftc_t *, tstate_t *, inot_private_data_t *);
797 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **);
798 static void destroy_lun_state(ispsoftc_t *, tstate_t *);
799 static void isp_enable_lun(ispsoftc_t *, union ccb *);
800 static void isp_enable_deferred_luns(ispsoftc_t *, int);
801 static cam_status isp_enable_deferred(ispsoftc_t *, int, lun_id_t);
802 static void isp_disable_lun(ispsoftc_t *, union ccb *);
803 static int isp_enable_target_mode(ispsoftc_t *, int);
804 static void isp_ledone(ispsoftc_t *, lun_entry_t *);
805 static timeout_t isp_refire_putback_atio;
806 static void isp_complete_ctio(union ccb *);
807 static void isp_target_putback_atio(union ccb *);
808 static void isp_target_start_ctio(ispsoftc_t *, union ccb *);
809 static void isp_handle_platform_atio(ispsoftc_t *, at_entry_t *);
810 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
811 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *);
812 static void isp_handle_platform_ctio(ispsoftc_t *, void *);
813 static void isp_handle_platform_notify_scsi(ispsoftc_t *, in_entry_t *);
814 static void isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *);
815 static void isp_handle_platform_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *);
816 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *);
817 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *);
818 static void isp_target_mark_aborted(ispsoftc_t *, union ccb *);
819 static void isp_target_mark_aborted_early(ispsoftc_t *, tstate_t *, uint32_t);
820 
821 static ISP_INLINE int
822 is_lun_enabled(ispsoftc_t *isp, int bus, lun_id_t lun)
823 {
824 	tstate_t *tptr;
825 	struct tslist *lhp;
826 
827 	ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
828 	SLIST_FOREACH(tptr, lhp, next) {
829 		if (xpt_path_lun_id(tptr->owner) == lun) {
830 			return (1);
831 		}
832 	}
833 	return (0);
834 }
835 
836 static void
837 dump_tstates(ispsoftc_t *isp, int bus)
838 {
839 	int i, j;
840 	struct tslist *lhp;
841 	tstate_t *tptr = NULL;
842 
843 	if (bus >= isp->isp_nchan) {
844 		return;
845 	}
846 	for (i = 0; i < LUN_HASH_SIZE; i++) {
847 		ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
848 		j = 0;
849 		SLIST_FOREACH(tptr, lhp, next) {
850 			xpt_print(tptr->owner, "[%d, %d] atio_cnt=%d inot_cnt=%d\n", i, j, tptr->atio_count, tptr->inot_count);
851 			j++;
852 		}
853 	}
854 }
855 
856 static ISP_INLINE tstate_t *
857 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
858 {
859 	tstate_t *tptr = NULL;
860 	struct tslist *lhp;
861 	int i;
862 
863 	if (bus < isp->isp_nchan) {
864 		for (i = 0; i < LUN_HASH_SIZE; i++) {
865 			ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
866 			SLIST_FOREACH(tptr, lhp, next) {
867 				if (xpt_path_lun_id(tptr->owner) == lun) {
868 					tptr->hold++;
869 					return (tptr);
870 				}
871 			}
872 		}
873 	}
874 	return (NULL);
875 }
876 
877 static ISP_INLINE tstate_t *
878 get_lun_statep_from_tag(ispsoftc_t *isp, int bus, uint32_t tagval)
879 {
880 	tstate_t *tptr = NULL;
881 	atio_private_data_t *atp;
882 	struct tslist *lhp;
883 	int i;
884 
885 	if (bus < isp->isp_nchan && tagval != 0) {
886 		for (i = 0; i < LUN_HASH_SIZE; i++) {
887 			ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
888 			SLIST_FOREACH(tptr, lhp, next) {
889 				atp = isp_get_atpd(isp, tptr, tagval);
890 				if (atp && atp->tag == tagval) {
891 					tptr->hold++;
892 					return (tptr);
893 				}
894 			}
895 		}
896 	}
897 	return (NULL);
898 }
899 
900 static ISP_INLINE inot_private_data_t *
901 get_ntp_from_tagdata(ispsoftc_t *isp, uint32_t tag_id, uint32_t seq_id, tstate_t **rslt)
902 {
903 	inot_private_data_t *ntp;
904 	tstate_t *tptr;
905 	struct tslist *lhp;
906 	int bus, i;
907 
908 	for (bus = 0; bus < isp->isp_nchan; bus++) {
909 		for (i = 0; i < LUN_HASH_SIZE; i++) {
910 			ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
911 			SLIST_FOREACH(tptr, lhp, next) {
912 				ntp = isp_find_ntpd(isp, tptr, tag_id, seq_id);
913 				if (ntp) {
914 					*rslt = tptr;
915 					tptr->hold++;
916 					return (ntp);
917 				}
918 			}
919 		}
920 	}
921 	return (NULL);
922 }
923 static ISP_INLINE void
924 rls_lun_statep(ispsoftc_t *isp, tstate_t *tptr)
925 {
926 	KASSERT((tptr->hold), ("tptr not held"));
927 	tptr->hold--;
928 }
929 
930 static void
931 isp_tmcmd_restart(ispsoftc_t *isp)
932 {
933 	inot_private_data_t *ntp;
934 	tstate_t *tptr;
935 	struct tslist *lhp;
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 				inot_private_data_t *restart_queue = tptr->restart_queue;
943 				tptr->restart_queue = NULL;
944 				while (restart_queue) {
945 					ntp = restart_queue;
946 					restart_queue = ntp->rd.nt.nt_hba;
947 					if (IS_24XX(isp)) {
948 						isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid);
949 						isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data);
950 					} else {
951 						isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid);
952 						isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data);
953 					}
954 					isp_put_ntpd(isp, tptr, ntp);
955 					if (tptr->restart_queue && restart_queue != NULL) {
956 						ntp = tptr->restart_queue;
957 						tptr->restart_queue = restart_queue;
958 						while (restart_queue->rd.nt.nt_hba) {
959 							restart_queue = restart_queue->rd.nt.nt_hba;
960 						}
961 						restart_queue->rd.nt.nt_hba = ntp;
962 						break;
963 					}
964 				}
965 			}
966 		}
967 	}
968 }
969 
970 static ISP_INLINE atio_private_data_t *
971 isp_get_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag)
972 {
973 	atio_private_data_t *atp;
974 
975 	if (tag == 0) {
976 		atp = tptr->atfree;
977 		if (atp) {
978 			tptr->atfree = atp->next;
979 		}
980 		return (atp);
981 	}
982 	for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
983 		if (atp->tag == tag) {
984 			return (atp);
985 		}
986 	}
987 	return (NULL);
988 }
989 
990 static ISP_INLINE void
991 isp_put_atpd(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp)
992 {
993 	atp->tag = 0;
994 	atp->dead = 0;
995 	atp->next = tptr->atfree;
996 	tptr->atfree = atp;
997 }
998 
999 static void
1000 isp_dump_atpd(ispsoftc_t *isp, tstate_t *tptr)
1001 {
1002 	atio_private_data_t *atp;
1003 	const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" };
1004 
1005 	for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
1006 		if (atp->tag == 0) {
1007 			continue;
1008 		}
1009 		xpt_print(tptr->owner, "ATP: [0x%x] origdlen %u bytes_xfrd %u last_xfr %u lun %u nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s\n",
1010                     atp->tag, atp->orig_datalen, atp->bytes_xfered, atp->last_xframt, atp->lun, atp->nphdl, atp->sid, atp->portid, atp->oxid, states[atp->state & 0x7]);
1011 	}
1012 }
1013 
1014 
1015 static ISP_INLINE inot_private_data_t *
1016 isp_get_ntpd(ispsoftc_t *isp, tstate_t *tptr)
1017 {
1018 	inot_private_data_t *ntp;
1019 	ntp = tptr->ntfree;
1020 	if (ntp) {
1021 		tptr->ntfree = ntp->next;
1022 	}
1023 	return (ntp);
1024 }
1025 
1026 static ISP_INLINE inot_private_data_t *
1027 isp_find_ntpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id, uint32_t seq_id)
1028 {
1029 	inot_private_data_t *ntp;
1030 	for (ntp = tptr->ntpool; ntp < &tptr->ntpool[ATPDPSIZE]; ntp++) {
1031 		if (ntp->rd.tag_id == tag_id && ntp->rd.seq_id == seq_id) {
1032 			return (ntp);
1033 		}
1034 	}
1035 	return (NULL);
1036 }
1037 
1038 static ISP_INLINE void
1039 isp_put_ntpd(ispsoftc_t *isp, tstate_t *tptr, inot_private_data_t *ntp)
1040 {
1041 	ntp->rd.tag_id = ntp->rd.seq_id = 0;
1042 	ntp->next = tptr->ntfree;
1043 	tptr->ntfree = ntp;
1044 }
1045 
1046 static cam_status
1047 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt)
1048 {
1049 	cam_status status;
1050 	lun_id_t lun;
1051 	struct tslist *lhp;
1052 	tstate_t *tptr;
1053 	int i;
1054 
1055 	lun = xpt_path_lun_id(path);
1056 	if (lun != CAM_LUN_WILDCARD) {
1057 		if (lun >= ISP_MAX_LUNS(isp)) {
1058 			return (CAM_LUN_INVALID);
1059 		}
1060 	}
1061 	if (is_lun_enabled(isp, bus, lun)) {
1062 		return (CAM_LUN_ALRDY_ENA);
1063 	}
1064 	tptr = kmalloc(sizeof (tstate_t), M_DEVBUF, M_WAITOK | M_ZERO);
1065 	status = xpt_create_path(&tptr->owner, NULL, xpt_path_path_id(path), xpt_path_target_id(path), lun);
1066 	if (status != CAM_REQ_CMP) {
1067 		kfree(tptr, M_DEVBUF);
1068 		return (status);
1069 	}
1070 	SLIST_INIT(&tptr->atios);
1071 	SLIST_INIT(&tptr->inots);
1072 	for (i = 0; i < ATPDPSIZE-1; i++) {
1073 		tptr->atpool[i].next = &tptr->atpool[i+1];
1074 		tptr->ntpool[i].next = &tptr->ntpool[i+1];
1075 	}
1076 	tptr->atfree = tptr->atpool;
1077 	tptr->ntfree = tptr->ntpool;
1078 	tptr->hold = 1;
1079 	ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(xpt_path_lun_id(tptr->owner))], lhp);
1080 	SLIST_INSERT_HEAD(lhp, tptr, next);
1081 	*rslt = tptr;
1082 	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n");
1083 	return (CAM_REQ_CMP);
1084 }
1085 
1086 static ISP_INLINE void
1087 destroy_lun_state(ispsoftc_t *isp, tstate_t *tptr)
1088 {
1089 	struct tslist *lhp;
1090 	KASSERT((tptr->hold == 0), ("tptr still held"));
1091 	ISP_GET_PC_ADDR(isp, xpt_path_path_id(tptr->owner), lun_hash[LUN_HASH_FUNC(xpt_path_lun_id(tptr->owner))], lhp);
1092 	SLIST_REMOVE(lhp, tptr, tstate, next);
1093 	xpt_free_path(tptr->owner);
1094 	kfree(tptr, M_DEVBUF);
1095 }
1096 
1097 /*
1098  * Enable a lun.
1099  */
1100 static void
1101 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb)
1102 {
1103 	tstate_t *tptr = NULL;
1104 	int bus, tm_enabled, target_role;
1105 	target_id_t target;
1106 	lun_id_t lun;
1107 
1108 	/*
1109 	 * We only support either a wildcard target/lun or a target ID of zero and a non-wildcard lun
1110 	 */
1111 	bus = XS_CHANNEL(ccb);
1112 	target = ccb->ccb_h.target_id;
1113 	lun = ccb->ccb_h.target_lun;
1114 	if (target != CAM_TARGET_WILDCARD && target != 0) {
1115 		ccb->ccb_h.status = CAM_TID_INVALID;
1116 		xpt_done(ccb);
1117 		return;
1118 	}
1119 	if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) {
1120 		ccb->ccb_h.status = CAM_LUN_INVALID;
1121 		xpt_done(ccb);
1122 		return;
1123 	}
1124 
1125 	if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
1126 		ccb->ccb_h.status = CAM_LUN_INVALID;
1127 		xpt_done(ccb);
1128 		return;
1129 	}
1130 	if (isp->isp_dblev & ISP_LOGTDEBUG0) {
1131 		xpt_print(ccb->ccb_h.path, "enabling lun 0x%x on channel %d\n", lun, bus);
1132 	}
1133 
1134 	/*
1135 	 * Wait until we're not busy with the lun enables subsystem
1136 	 */
1137 	while (isp->isp_osinfo.tmbusy) {
1138 		isp->isp_osinfo.tmwanted = 1;
1139 		mtx_sleep(isp, &isp->isp_lock, 0, "want_isp_enable_lun", 0);
1140 	}
1141 	isp->isp_osinfo.tmbusy = 1;
1142 
1143 	/*
1144 	 * This is as a good a place as any to check f/w capabilities.
1145 	 */
1146 
1147 	if (IS_FC(isp)) {
1148 		if (ISP_CAP_TMODE(isp) == 0) {
1149 			xpt_print(ccb->ccb_h.path, "firmware does not support target mode\n");
1150 			ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1151 			goto done;
1152 		}
1153 		/*
1154 		 * We *could* handle non-SCCLUN f/w, but we'd have to
1155 		 * dork with our already fragile enable/disable code.
1156 		 */
1157 		if (ISP_CAP_SCCFW(isp) == 0) {
1158 			xpt_print(ccb->ccb_h.path, "firmware not SCCLUN capable\n");
1159 			ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1160 			goto done;
1161 		}
1162 
1163 		target_role = (FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0;
1164 
1165 	} else {
1166 		target_role = (SDPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0;
1167 	}
1168 
1169 	/*
1170 	 * Create the state pointer.
1171 	 * It should not already exist.
1172 	 */
1173 	tptr = get_lun_statep(isp, bus, lun);
1174 	if (tptr) {
1175 		ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
1176 		goto done;
1177 	}
1178 	ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
1179 	if (ccb->ccb_h.status != CAM_REQ_CMP) {
1180 		goto done;
1181 	}
1182 
1183 	/*
1184 	 * We have a tricky maneuver to perform here.
1185 	 *
1186 	 * If target mode isn't already enabled here,
1187 	 * *and* our current role includes target mode,
1188 	 * we enable target mode here.
1189 	 *
1190 	 */
1191 	ISP_GET_PC(isp, bus, tm_enabled, tm_enabled);
1192 	if (tm_enabled == 0 && target_role != 0) {
1193 		if (isp_enable_target_mode(isp, bus)) {
1194 			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1195 			destroy_lun_state(isp, tptr);
1196 			tptr = NULL;
1197 			goto done;
1198 		}
1199 		tm_enabled = 1;
1200 	}
1201 
1202 	/*
1203 	 * Now check to see whether this bus is in target mode already.
1204 	 *
1205 	 * If not, a later role change into target mode will finish the job.
1206 	 */
1207 	if (tm_enabled == 0) {
1208 		ISP_SET_PC(isp, bus, tm_enable_defer, 1);
1209 		ccb->ccb_h.status = CAM_REQ_CMP;
1210 		xpt_print(ccb->ccb_h.path, "Target Mode Not Enabled Yet- Lun Enables Deferred\n");
1211 		goto done;
1212 	}
1213 
1214 	/*
1215 	 * Enable the lun.
1216 	 */
1217 	ccb->ccb_h.status = isp_enable_deferred(isp, bus, lun);
1218 
1219 done:
1220 	if (ccb->ccb_h.status != CAM_REQ_CMP && tptr) {
1221 		destroy_lun_state(isp, tptr);
1222 		tptr = NULL;
1223 	}
1224 	if (tptr) {
1225 		rls_lun_statep(isp, tptr);
1226 	}
1227 	isp->isp_osinfo.tmbusy = 0;
1228 	if (isp->isp_osinfo.tmwanted) {
1229 		isp->isp_osinfo.tmwanted = 0;
1230 		wakeup(isp);
1231 	}
1232 	xpt_done(ccb);
1233 }
1234 
1235 static void
1236 isp_enable_deferred_luns(ispsoftc_t *isp, int bus)
1237 {
1238 	/*
1239 	 * XXX: not entirely implemented yet
1240 	 */
1241 	(void) isp_enable_deferred(isp, bus, 0);
1242 }
1243 
1244 static uint32_t
1245 isp_enable_deferred(ispsoftc_t *isp, int bus, lun_id_t lun)
1246 {
1247 	cam_status status;
1248 
1249 	isp_prt(isp, ISP_LOGTINFO, "%s: bus %d lun %u", __func__, bus, lun);
1250 	if (IS_24XX(isp) || (IS_FC(isp) && ISP_FC_PC(isp, bus)->tm_luns_enabled)) {
1251 		status = CAM_REQ_CMP;
1252 	} else {
1253 		int cmd_cnt, not_cnt;
1254 
1255 		if (IS_23XX(isp)) {
1256 			cmd_cnt = DFLT_CMND_CNT;
1257 			not_cnt = DFLT_INOT_CNT;
1258 		} else {
1259 			cmd_cnt = 64;
1260 			not_cnt = 8;
1261 		}
1262 		status = CAM_REQ_INPROG;
1263 		isp->isp_osinfo.rptr = &status;
1264 		if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun, DFLT_CMND_CNT, DFLT_INOT_CNT)) {
1265 			status = CAM_RESRC_UNAVAIL;
1266 		} else {
1267 			mtx_sleep(&status, &isp->isp_lock, PRIBIO, "isp_enable_deferred", 0);
1268 		}
1269 		isp->isp_osinfo.rptr = NULL;
1270 	}
1271 
1272 	if (status == CAM_REQ_CMP) {
1273 		ISP_SET_PC(isp, bus, tm_luns_enabled, 1);
1274 		isp_prt(isp, ISP_LOGTINFO, "bus %d lun %u now enabled for target mode", bus, lun);
1275 	}
1276 	return (status);
1277 }
1278 
1279 static void
1280 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb)
1281 {
1282 	tstate_t *tptr = NULL;
1283 	int bus;
1284 	cam_status status;
1285 	target_id_t target;
1286 	lun_id_t lun;
1287 
1288 	bus = XS_CHANNEL(ccb);
1289 	target = ccb->ccb_h.target_id;
1290 	lun = ccb->ccb_h.target_lun;
1291 	if (target != CAM_TARGET_WILDCARD && target != 0) {
1292 		ccb->ccb_h.status = CAM_TID_INVALID;
1293 		xpt_done(ccb);
1294 		return;
1295 	}
1296 	if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) {
1297 		ccb->ccb_h.status = CAM_LUN_INVALID;
1298 		xpt_done(ccb);
1299 		return;
1300 	}
1301 
1302 	if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
1303 		ccb->ccb_h.status = CAM_LUN_INVALID;
1304 		xpt_done(ccb);
1305 		return;
1306 	}
1307 	if (isp->isp_dblev & ISP_LOGTDEBUG0) {
1308 		xpt_print(ccb->ccb_h.path, "enabling lun 0x%x on channel %d\n", lun, bus);
1309 	}
1310 
1311 	/*
1312 	 * See if we're busy disabling a lun now.
1313 	 */
1314 	while (isp->isp_osinfo.tmbusy) {
1315 		isp->isp_osinfo.tmwanted = 1;
1316 		mtx_sleep(isp, &isp->isp_lock, PRIBIO, "want_isp_disable_lun", 0);
1317 	}
1318 	isp->isp_osinfo.tmbusy = 1;
1319 
1320 	/*
1321 	 * Find the state pointer.
1322 	 */
1323 	if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) {
1324 		ccb->ccb_h.status = CAM_PATH_INVALID;
1325 		goto done;
1326 	}
1327 
1328 	/*
1329 	 * If we're a 24XX card, we're done.
1330 	 */
1331 	if (IS_24XX(isp)) {
1332 		status = CAM_REQ_CMP;
1333 		goto done;
1334 	}
1335 
1336 	/*
1337 	 * For SCC FW, we only deal with lun zero.
1338 	 */
1339 	if (IS_FC(isp)) {
1340 		lun = 0;
1341 	}
1342 
1343 	isp->isp_osinfo.rptr = &status;
1344 	status = CAM_REQ_INPROG;
1345 	if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun, 0, 0)) {
1346 		status = CAM_RESRC_UNAVAIL;
1347 	} else {
1348 		mtx_sleep(ccb, &isp->isp_lock, PRIBIO, "isp_disable_lun", 0);
1349 	}
1350 done:
1351 	if (status == CAM_REQ_CMP) {
1352 		xpt_print(ccb->ccb_h.path, "now disabled for target mode\n");
1353 	}
1354 	if (tptr) {
1355 		destroy_lun_state(isp, tptr);
1356 	}
1357 	isp->isp_osinfo.rptr = NULL;
1358 	isp->isp_osinfo.tmbusy = 0;
1359 	if (isp->isp_osinfo.tmwanted) {
1360 		isp->isp_osinfo.tmwanted = 0;
1361 		wakeup(isp);
1362 	}
1363 	xpt_done(ccb);
1364 }
1365 
1366 static int
1367 isp_enable_target_mode(ispsoftc_t *isp, int bus)
1368 {
1369 	int ct;
1370 
1371 	ISP_GET_PC(isp, bus, tm_enabled, ct);
1372 	if (ct != 0) {
1373 		return (0);
1374 	}
1375 
1376 	if (IS_SCSI(isp)) {
1377 		mbreg_t mbs;
1378 
1379 		MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0);
1380 		mbs.param[0] = MBOX_ENABLE_TARGET_MODE;
1381 		mbs.param[1] = ENABLE_TARGET_FLAG|ENABLE_TQING_FLAG;
1382 		mbs.param[2] = bus << 7;
1383 		if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1384 			isp_prt(isp, ISP_LOGERR, "Unable to add Target Role to Bus %d", bus);
1385 			return (EIO);
1386 		}
1387 		SDPARAM(isp, bus)->role |= ISP_ROLE_TARGET;
1388 	}
1389 	ISP_SET_PC(isp, bus, tm_enabled, 1);
1390 	isp_prt(isp, ISP_LOGINFO, "Target Role added to Bus %d", bus);
1391 	return (0);
1392 }
1393 
1394 #ifdef	NEEDED
1395 static int
1396 isp_disable_target_mode(ispsoftc_t *isp, int bus)
1397 {
1398 	int ct;
1399 
1400 	ISP_GET_PC(isp, bus, tm_enabled, ct);
1401 	if (ct == 0) {
1402 		return (0);
1403 	}
1404 
1405 	if (IS_SCSI(isp)) {
1406 		mbreg_t mbs;
1407 
1408 		MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0);
1409 		mbs.param[2] = bus << 7;
1410 		if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1411 			isp_prt(isp, ISP_LOGERR, "Unable to subtract Target Role to Bus %d", bus);
1412 			return (EIO);
1413 		}
1414 		SDPARAM(isp, bus)->role &= ~ISP_ROLE_TARGET;
1415 	}
1416 	ISP_SET_PC(isp, bus, tm_enabled, 0);
1417 	isp_prt(isp, ISP_LOGINFO, "Target Role subtracted from Bus %d", bus);
1418 	return (0);
1419 }
1420 #endif
1421 
1422 static void
1423 isp_ledone(ispsoftc_t *isp, lun_entry_t *lep)
1424 {
1425 	uint32_t *rptr;
1426 
1427 	rptr = isp->isp_osinfo.rptr;
1428 	if (lep->le_status != LUN_OK) {
1429 		isp_prt(isp, ISP_LOGERR, "ENABLE/MODIFY LUN returned 0x%x", lep->le_status);
1430 		if (rptr) {
1431 			*rptr = CAM_REQ_CMP_ERR;
1432 			wakeup_one(rptr);
1433 		}
1434 	} else {
1435 		if (rptr) {
1436 			*rptr = CAM_REQ_CMP;
1437 			wakeup_one(rptr);
1438 		}
1439 	}
1440 }
1441 
1442 static void
1443 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb)
1444 {
1445 	void *qe;
1446 	tstate_t *tptr;
1447 	atio_private_data_t *atp;
1448 	struct ccb_scsiio *cso = &ccb->csio;
1449 	uint32_t dmaresult, handle;
1450 	uint8_t local[QENTRY_LEN];
1451 
1452 	/*
1453 	 * Do some sanity checks.
1454 	 */
1455 	if (cso->dxfer_len == 0) {
1456 		if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
1457 			xpt_print(ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n");
1458 			ccb->ccb_h.status = CAM_REQ_INVALID;
1459 			xpt_done(ccb);
1460 			return;
1461 		}
1462 	}
1463 
1464 	tptr = get_lun_statep(isp, XS_CHANNEL(ccb), XS_LUN(ccb));
1465 	if (tptr == NULL) {
1466 		tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
1467 		if (tptr == NULL) {
1468 			xpt_print(ccb->ccb_h.path, "%s: [0x%x] cannot find tstate pointer in %s\n", __func__, cso->tag_id);
1469 			dump_tstates(isp, XS_CHANNEL(ccb));
1470 			ccb->ccb_h.status = CAM_DEV_NOT_THERE;
1471 			xpt_done(ccb);
1472 			return;
1473 		}
1474 	}
1475 
1476 	atp = isp_get_atpd(isp, tptr, cso->tag_id);
1477 	if (atp == NULL) {
1478 		xpt_print(ccb->ccb_h.path, "%s: [0x%x] cannot find private data adjunct\n", __func__, cso->tag_id);
1479 		isp_dump_atpd(isp, tptr);
1480 		ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1481 		xpt_done(ccb);
1482 		return;
1483 	}
1484 	if (atp->dead) {
1485 		xpt_print(ccb->ccb_h.path, "%s: [0x%x] stopping sending a CTIO for a dead command\n", __func__, cso->tag_id);
1486 		ccb->ccb_h.status = CAM_REQ_ABORTED;
1487 		xpt_done(ccb);
1488 		return;
1489 	}
1490 
1491 	/*
1492 	 * Check to make sure we're still in target mode.
1493 	 */
1494 	if ((FCPARAM(isp, XS_CHANNEL(ccb))->role & ISP_ROLE_TARGET) == 0) {
1495 		xpt_print(ccb->ccb_h.path, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode\n", __func__, cso->tag_id);
1496 		ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1497 		xpt_done(ccb);
1498 		return;
1499 	}
1500 
1501 	/*
1502 	 * Get some resources
1503 	 */
1504 	if (isp_get_pcmd(isp, ccb)) {
1505 		rls_lun_statep(isp, tptr);
1506 		xpt_print(ccb->ccb_h.path, "out of PCMDs\n");
1507 		cam_freeze_devq(ccb->ccb_h.path);
1508 		cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
1509 		ccb->ccb_h.status = CAM_REQUEUE_REQ;
1510 		xpt_done(ccb);
1511 		return;
1512 	}
1513 	qe = isp_getrqentry(isp);
1514 	if (qe == NULL) {
1515 		xpt_print(ccb->ccb_h.path, rqo, __func__);
1516 		cam_freeze_devq(ccb->ccb_h.path);
1517 		cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
1518 		ccb->ccb_h.status = CAM_REQUEUE_REQ;
1519 		goto out;
1520 	}
1521 	memset(local, 0, QENTRY_LEN);
1522 
1523 	/*
1524 	 * We're either moving data or completing a command here.
1525 	 */
1526 	if (IS_24XX(isp)) {
1527 		ct7_entry_t *cto = (ct7_entry_t *) local;
1528 
1529 		cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
1530 		cto->ct_header.rqs_entry_count = 1;
1531 		cto->ct_header.rqs_seqno = 1;
1532 		cto->ct_nphdl = atp->nphdl;
1533 		cto->ct_rxid = atp->tag;
1534 		cto->ct_iid_lo = atp->portid;
1535 		cto->ct_iid_hi = atp->portid >> 16;
1536 		cto->ct_oxid = atp->oxid;
1537 		cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb));
1538 		cto->ct_scsi_status = cso->scsi_status;
1539 		cto->ct_timeout = 120;
1540 		cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT;
1541 		if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1542 			cto->ct_flags |= CT7_SENDSTATUS;
1543 		}
1544 		if (cso->dxfer_len == 0) {
1545 			cto->ct_flags |= CT7_FLAG_MODE1 | CT7_NO_DATA;
1546 			if ((ccb->ccb_h.flags & CAM_SEND_SENSE) != 0) {
1547 				int m = min(cso->sense_len, sizeof (struct scsi_sense_data));
1548 				cto->rsp.m1.ct_resplen = cto->ct_senselen = min(m, MAXRESPLEN_24XX);
1549 				memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, cto->ct_senselen);
1550 				cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
1551 			}
1552 		} else {
1553 			cto->ct_flags |= CT7_FLAG_MODE0;
1554 			if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1555 				cto->ct_flags |= CT7_DATA_IN;
1556 			} else {
1557 				cto->ct_flags |= CT7_DATA_OUT;
1558 			}
1559 			cto->rsp.m0.reloff = atp->bytes_xfered;
1560 			/*
1561 			 * Don't overrun the limits placed on us
1562 			 */
1563 			if (atp->bytes_xfered + cso->dxfer_len > atp->orig_datalen) {
1564 				cso->dxfer_len = atp->orig_datalen - atp->bytes_xfered;
1565 			}
1566 			atp->last_xframt = cso->dxfer_len;
1567 			cto->rsp.m0.ct_xfrlen = cso->dxfer_len;
1568 		}
1569 		if (cto->ct_flags & CT7_SENDSTATUS) {
1570 			int lvl = (cso->scsi_status)? ISP_LOGTINFO : ISP_LOGTDEBUG0;
1571 			cto->ct_resid = atp->orig_datalen - (atp->bytes_xfered + cso->dxfer_len);
1572 			if (cto->ct_resid < 0) {
1573 				cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8);
1574 			} else if (cto->ct_resid > 0) {
1575 				cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
1576 			}
1577 			atp->state = ATPD_STATE_LAST_CTIO;
1578 			ISP_PATH_PRT(isp, lvl, cso->ccb_h.path, "%s: CTIO7[%x] CDB0=%x scsi status %x flags %x resid %d xfrlen %u offset %u\n", __func__, cto->ct_rxid,
1579 			    atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid, cso->dxfer_len, atp->bytes_xfered);
1580 		} else {
1581 			cto->ct_resid = 0;
1582 			ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, cso->ccb_h.path, "%s: CTIO7[%x] flags %x xfrlen %u offset %u\n", __func__, cto->ct_rxid, cto->ct_flags,
1583 			    cso->dxfer_len, atp->bytes_xfered);
1584 			atp->state = ATPD_STATE_CTIO;
1585 		}
1586 	} else if (IS_FC(isp)) {
1587 		ct2_entry_t *cto = (ct2_entry_t *) local;
1588 
1589 		cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1590 		cto->ct_header.rqs_entry_count = 1;
1591 		cto->ct_header.rqs_seqno = 1;
1592 		if (ISP_CAP_2KLOGIN(isp) == 0) {
1593 			((ct2e_entry_t *)cto)->ct_iid = cso->init_id;
1594 		} else {
1595 			cto->ct_iid = cso->init_id;
1596 			if (ISP_CAP_SCCFW(isp) == 0) {
1597 				cto->ct_lun = ccb->ccb_h.target_lun;
1598 			}
1599 		}
1600 
1601 
1602 		cto->ct_rxid = cso->tag_id;
1603 		if (cso->dxfer_len == 0) {
1604 			cto->ct_flags |= CT2_FLAG_MODE1 | CT2_NO_DATA | CT2_SENDSTATUS;
1605 			cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1606 			cto->ct_resid = atp->orig_datalen - atp->bytes_xfered;
1607 			if (cto->ct_resid < 0) {
1608 				cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER;
1609 			} else if (cto->ct_resid > 0) {
1610 				cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER;
1611 			}
1612 			if ((ccb->ccb_h.flags & CAM_SEND_SENSE) != 0) {
1613 				int m = min(cso->sense_len, MAXRESPLEN);
1614 				memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, m);
1615 				cto->rsp.m1.ct_senselen = m;
1616 				cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1617 			} else if (cso->scsi_status == SCSI_STATUS_CHECK_COND) {
1618 				/*
1619 				 * XXX: DEBUG
1620 				 */
1621 				xpt_print(ccb->ccb_h.path, "CHECK CONDITION being sent without associated SENSE DATA for CDB=0x%x\n", atp->cdb0);
1622 			}
1623 		} else {
1624 			cto->ct_flags |= CT2_FLAG_MODE0;
1625 			if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1626 				cto->ct_flags |= CT2_DATA_IN;
1627 			} else {
1628 				cto->ct_flags |= CT2_DATA_OUT;
1629 			}
1630 			cto->ct_reloff = atp->bytes_xfered;
1631 			cto->rsp.m0.ct_xfrlen = cso->dxfer_len;
1632 			/*
1633 			 * Don't overrun the limits placed on us
1634 			 */
1635 			if (atp->bytes_xfered + cso->dxfer_len > atp->orig_datalen) {
1636 				cso->dxfer_len = atp->orig_datalen - atp->bytes_xfered;
1637 			}
1638 			if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
1639 				cto->ct_flags |= CT2_SENDSTATUS;
1640 				cto->rsp.m0.ct_scsi_status = cso->scsi_status;
1641 				cto->ct_resid = atp->orig_datalen - (atp->bytes_xfered + cso->dxfer_len);
1642 				if (cto->ct_resid < 0) {
1643 					cto->rsp.m0.ct_scsi_status |= CT2_DATA_OVER;
1644 				} else if (cto->ct_resid > 0) {
1645 					cto->rsp.m0.ct_scsi_status |= CT2_DATA_UNDER;
1646 				}
1647 			} else {
1648 				atp->last_xframt = cso->dxfer_len;
1649 			}
1650 			/*
1651 			 * If we're sending data and status back together,
1652 			 * we can't also send back sense data as well.
1653 			 */
1654 			ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
1655 		}
1656 
1657 		if (cto->ct_flags & CT2_SENDSTATUS) {
1658 			int lvl = (cso->scsi_status)? ISP_LOGTINFO : ISP_LOGTDEBUG0;
1659 			cto->ct_flags |= CT2_CCINCR;
1660 			atp->state = ATPD_STATE_LAST_CTIO;
1661 			ISP_PATH_PRT(isp, lvl, cso->ccb_h.path, "%s: CTIO2[%x] CDB0=%x scsi status %x flags %x resid %d xfrlen %u offset %u\n", __func__, cto->ct_rxid,
1662 			    atp->cdb0, cto->rsp.m0.ct_scsi_status, cto->ct_flags, cto->ct_resid, cso->dxfer_len, atp->bytes_xfered);
1663 		} else {
1664 			cto->ct_resid = 0;
1665 			atp->state = ATPD_STATE_CTIO;
1666 			ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "%s: CTIO2[%x] flags %x xfrlen %u offset %u\n", __func__, cto->ct_rxid, cto->ct_flags,
1667 			    cso->dxfer_len, atp->bytes_xfered);
1668 		}
1669 		cto->ct_timeout = 10;
1670 	} else {
1671 		ct_entry_t *cto = (ct_entry_t *) local;
1672 
1673 		cto->ct_header.rqs_entry_type = RQSTYPE_CTIO;
1674 		cto->ct_header.rqs_entry_count = 1;
1675 		cto->ct_header.rqs_seqno = 1;
1676 		cto->ct_iid = cso->init_id;
1677 		cto->ct_iid |= XS_CHANNEL(ccb) << 7;
1678 		cto->ct_tgt = ccb->ccb_h.target_id;
1679 		cto->ct_lun = ccb->ccb_h.target_lun;
1680 		cto->ct_fwhandle = cso->tag_id >> 16;
1681 		if (AT_HAS_TAG(cso->tag_id)) {
1682 			cto->ct_tag_val = cso->tag_id;
1683 			cto->ct_flags |= CT_TQAE;
1684 		}
1685 		if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) {
1686 			cto->ct_flags |= CT_NODISC;
1687 		}
1688 		if (cso->dxfer_len == 0) {
1689 			cto->ct_flags |= CT_NO_DATA;
1690 		} else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1691 			cto->ct_flags |= CT_DATA_IN;
1692 		} else {
1693 			cto->ct_flags |= CT_DATA_OUT;
1694 		}
1695 		if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1696 			cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR;
1697 			cto->ct_scsi_status = cso->scsi_status;
1698 			cto->ct_resid = cso->resid;
1699 			ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "%s: CTIO[%x] scsi status %x resid %d tag_id %x\n", __func__,
1700 			    cto->ct_fwhandle, cso->scsi_status, cso->resid, cso->tag_id);
1701 		}
1702 		ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
1703 		cto->ct_timeout = 10;
1704 	}
1705 
1706 	if (isp_allocate_xs_tgt(isp, ccb, &handle)) {
1707 		xpt_print(ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__);
1708 		ccb->ccb_h.status = CAM_REQUEUE_REQ;
1709 		goto out;
1710 	}
1711 
1712 
1713 	/*
1714 	 * Call the dma setup routines for this entry (and any subsequent
1715 	 * CTIOs) if there's data to move, and then tell the f/w it's got
1716 	 * new things to play with. As with isp_start's usage of DMA setup,
1717 	 * any swizzling is done in the machine dependent layer. Because
1718 	 * of this, we put the request onto the queue area first in native
1719 	 * format.
1720 	 */
1721 
1722 	if (IS_24XX(isp)) {
1723 		ct7_entry_t *cto = (ct7_entry_t *) local;
1724 		cto->ct_syshandle = handle;
1725 	} else if (IS_FC(isp)) {
1726 		ct2_entry_t *cto = (ct2_entry_t *) local;
1727 		cto->ct_syshandle = handle;
1728 	} else {
1729 		ct_entry_t *cto = (ct_entry_t *) local;
1730 		cto->ct_syshandle = handle;
1731 	}
1732 
1733 	dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local);
1734 	if (dmaresult == CMD_QUEUED) {
1735 		isp->isp_nactive++;
1736 		ccb->ccb_h.status |= CAM_SIM_QUEUED;
1737 		rls_lun_statep(isp, tptr);
1738 		return;
1739 	}
1740 	if (dmaresult == CMD_EAGAIN) {
1741 		ccb->ccb_h.status = CAM_REQUEUE_REQ;
1742 	} else {
1743 		ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1744 	}
1745 	isp_destroy_tgt_handle(isp, handle);
1746 out:
1747 	rls_lun_statep(isp, tptr);
1748 	isp_free_pcmd(isp, ccb);
1749 	xpt_done(ccb);
1750 }
1751 
1752 static void
1753 isp_refire_putback_atio(void *arg)
1754 {
1755 	union ccb *ccb = arg;
1756 	ispsoftc_t *isp = XS_ISP(ccb);
1757 	ISP_LOCK(isp);
1758 	isp_target_putback_atio(ccb);
1759 	ISP_UNLOCK(isp);
1760 }
1761 
1762 static void
1763 isp_target_putback_atio(union ccb *ccb)
1764 {
1765 	ispsoftc_t *isp;
1766 	struct ccb_scsiio *cso;
1767 	void *qe;
1768 
1769 	isp = XS_ISP(ccb);
1770 
1771 	qe = isp_getrqentry(isp);
1772 	if (qe == NULL) {
1773 		xpt_print(ccb->ccb_h.path, rqo, __func__);
1774 		(void) timeout(isp_refire_putback_atio, ccb, 10);
1775 		return;
1776 	}
1777 	memset(qe, 0, QENTRY_LEN);
1778 	cso = &ccb->csio;
1779 	if (IS_FC(isp)) {
1780 		at2_entry_t local, *at = &local;
1781 		ISP_MEMZERO(at, sizeof (at2_entry_t));
1782 		at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
1783 		at->at_header.rqs_entry_count = 1;
1784 		if (ISP_CAP_SCCFW(isp)) {
1785 			at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
1786 		} else {
1787 			at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
1788 		}
1789 		at->at_status = CT_OK;
1790 		at->at_rxid = cso->tag_id;
1791 		at->at_iid = cso->ccb_h.target_id;
1792 		isp_put_atio2(isp, at, qe);
1793 	} else {
1794 		at_entry_t local, *at = &local;
1795 		ISP_MEMZERO(at, sizeof (at_entry_t));
1796 		at->at_header.rqs_entry_type = RQSTYPE_ATIO;
1797 		at->at_header.rqs_entry_count = 1;
1798 		at->at_iid = cso->init_id;
1799 		at->at_iid |= XS_CHANNEL(ccb) << 7;
1800 		at->at_tgt = cso->ccb_h.target_id;
1801 		at->at_lun = cso->ccb_h.target_lun;
1802 		at->at_status = CT_OK;
1803 		at->at_tag_val = AT_GET_TAG(cso->tag_id);
1804 		at->at_handle = AT_GET_HANDLE(cso->tag_id);
1805 		isp_put_atio(isp, at, qe);
1806 	}
1807 	ISP_TDQE(isp, "isp_target_putback_atio", isp->isp_reqidx, qe);
1808 	ISP_SYNC_REQUEST(isp);
1809 	isp_complete_ctio(ccb);
1810 }
1811 
1812 static void
1813 isp_complete_ctio(union ccb *ccb)
1814 {
1815 	if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
1816 		ccb->ccb_h.status |= CAM_REQ_CMP;
1817 	}
1818 	ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1819 	isp_free_pcmd(XS_ISP(ccb), ccb);
1820 	xpt_done(ccb);
1821 }
1822 
1823 /*
1824  * Handle ATIO stuff that the generic code can't.
1825  * This means handling CDBs.
1826  */
1827 
1828 static void
1829 isp_handle_platform_atio(ispsoftc_t *isp, at_entry_t *aep)
1830 {
1831 	tstate_t *tptr;
1832 	int status, bus;
1833 	struct ccb_accept_tio *atiop;
1834 	atio_private_data_t *atp;
1835 
1836 	/*
1837 	 * The firmware status (except for the QLTM_SVALID bit)
1838 	 * indicates why this ATIO was sent to us.
1839 	 *
1840 	 * If QLTM_SVALID is set, the firmware has recommended Sense Data.
1841 	 *
1842 	 * If the DISCONNECTS DISABLED bit is set in the flags field,
1843 	 * we're still connected on the SCSI bus.
1844 	 */
1845 	status = aep->at_status;
1846 	if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) {
1847 		/*
1848 		 * Bus Phase Sequence error. We should have sense data
1849 		 * suggested by the f/w. I'm not sure quite yet what
1850 		 * to do about this for CAM.
1851 		 */
1852 		isp_prt(isp, ISP_LOGWARN, "PHASE ERROR");
1853 		isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1854 		return;
1855 	}
1856 	if ((status & ~QLTM_SVALID) != AT_CDB) {
1857 		isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform", status);
1858 		isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1859 		return;
1860 	}
1861 
1862 	bus = GET_BUS_VAL(aep->at_iid);
1863 	tptr = get_lun_statep(isp, bus, aep->at_lun);
1864 	if (tptr == NULL) {
1865 		tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
1866 		if (tptr == NULL) {
1867 			/*
1868 			 * Because we can't autofeed sense data back with
1869 			 * a command for parallel SCSI, we can't give back
1870 			 * a CHECK CONDITION. We'll give back a BUSY status
1871 			 * instead. This works out okay because the only
1872 			 * time we should, in fact, get this, is in the
1873 			 * case that somebody configured us without the
1874 			 * blackhole driver, so they get what they deserve.
1875 			 */
1876 			isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1877 			return;
1878 		}
1879 	}
1880 
1881 	atp = isp_get_atpd(isp, tptr, 0);
1882 	atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1883 	if (atiop == NULL || atp == NULL) {
1884 		/*
1885 		 * Because we can't autofeed sense data back with
1886 		 * a command for parallel SCSI, we can't give back
1887 		 * a CHECK CONDITION. We'll give back a QUEUE FULL status
1888 		 * instead. This works out okay because the only time we
1889 		 * should, in fact, get this, is in the case that we've
1890 		 * run out of ATIOS.
1891 		 */
1892 		xpt_print(tptr->owner, "no %s for lun %d from initiator %d\n", (atp == NULL && atiop == NULL)? "ATIOs *or* ATPS" :
1893 		    ((atp == NULL)? "ATPs" : "ATIOs"), aep->at_lun, aep->at_iid);
1894 		isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1895 		if (atp) {
1896 			isp_put_atpd(isp, tptr, atp);
1897 		}
1898 		rls_lun_statep(isp, tptr);
1899 		return;
1900 	}
1901 	atp->tag = aep->at_tag_val;
1902 	if (atp->tag == 0) {
1903 		atp->tag = ~0;
1904 	}
1905 	atp->state = ATPD_STATE_ATIO;
1906 	SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1907 	tptr->atio_count--;
1908 	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
1909 	atiop->ccb_h.target_id = aep->at_tgt;
1910 	atiop->ccb_h.target_lun = aep->at_lun;
1911 	if (aep->at_flags & AT_NODISC) {
1912 		atiop->ccb_h.flags = CAM_DIS_DISCONNECT;
1913 	} else {
1914 		atiop->ccb_h.flags = 0;
1915 	}
1916 
1917 	if (status & QLTM_SVALID) {
1918 		size_t amt = ISP_MIN(QLTM_SENSELEN, sizeof (atiop->sense_data));
1919 		atiop->sense_len = amt;
1920 		ISP_MEMCPY(&atiop->sense_data, aep->at_sense, amt);
1921 	} else {
1922 		atiop->sense_len = 0;
1923 	}
1924 
1925 	atiop->init_id = GET_IID_VAL(aep->at_iid);
1926 	atiop->cdb_len = aep->at_cdblen;
1927 	ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen);
1928 	atiop->ccb_h.status = CAM_CDB_RECVD;
1929 	/*
1930 	 * Construct a tag 'id' based upon tag value (which may be 0..255)
1931 	 * and the handle (which we have to preserve).
1932 	 */
1933 	atiop->tag_id = atp->tag;
1934 	if (aep->at_flags & AT_TQAE) {
1935 		atiop->tag_action = aep->at_tag_type;
1936 		atiop->ccb_h.status |= CAM_TAG_ACTION_VALID;
1937 	}
1938 	atp->orig_datalen = 0;
1939 	atp->bytes_xfered = 0;
1940 	atp->last_xframt = 0;
1941 	atp->lun = aep->at_lun;
1942 	atp->nphdl = aep->at_iid;
1943 	atp->portid = PORT_NONE;
1944 	atp->oxid = 0;
1945 	atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
1946 	atp->tattr = aep->at_tag_type;
1947 	atp->state = ATPD_STATE_CAM;
1948 	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "ATIO[%x] CDB=0x%x lun %d\n", aep->at_tag_val, atp->cdb0, atp->lun);
1949 	rls_lun_statep(isp, tptr);
1950 }
1951 
1952 static void
1953 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep)
1954 {
1955 	lun_id_t lun;
1956 	fcportdb_t *lp;
1957 	tstate_t *tptr;
1958 	struct ccb_accept_tio *atiop;
1959 	uint16_t nphdl;
1960 	atio_private_data_t *atp;
1961 	inot_private_data_t *ntp;
1962 
1963 	/*
1964 	 * The firmware status (except for the QLTM_SVALID bit)
1965 	 * indicates why this ATIO was sent to us.
1966 	 *
1967 	 * If QLTM_SVALID is set, the firmware has recommended Sense Data.
1968 	 */
1969 	if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
1970 		isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status);
1971 		isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1972 		return;
1973 	}
1974 
1975 	if (ISP_CAP_SCCFW(isp)) {
1976 		lun = aep->at_scclun;
1977 	} else {
1978 		lun = aep->at_lun;
1979 	}
1980 	if (ISP_CAP_2KLOGIN(isp)) {
1981 		nphdl = ((at2e_entry_t *)aep)->at_iid;
1982 	} else {
1983 		nphdl = aep->at_iid;
1984 	}
1985 	tptr = get_lun_statep(isp, 0, lun);
1986 	if (tptr == NULL) {
1987 		tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1988 		if (tptr == NULL) {
1989 			isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] no state pointer for lun %d", aep->at_rxid, lun);
1990 			isp_endcmd(isp, aep, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1991 			return;
1992 		}
1993 	}
1994 
1995 	/*
1996 	 * Start any commands pending resources first.
1997 	 */
1998 	if (tptr->restart_queue) {
1999 		inot_private_data_t *restart_queue = tptr->restart_queue;
2000 		tptr->restart_queue = NULL;
2001 		while (restart_queue) {
2002 			ntp = restart_queue;
2003 			restart_queue = ntp->rd.nt.nt_hba;
2004 			isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid);
2005 			isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data);
2006 			isp_put_ntpd(isp, tptr, ntp);
2007 			/*
2008 			 * If a recursion caused the restart queue to start to fill again,
2009 			 * stop and splice the new list on top of the old list and restore
2010 			 * it and go to noresrc.
2011 			 */
2012 			if (tptr->restart_queue) {
2013 				ntp = tptr->restart_queue;
2014 				tptr->restart_queue = restart_queue;
2015 				while (restart_queue->rd.nt.nt_hba) {
2016 					restart_queue = restart_queue->rd.nt.nt_hba;
2017 				}
2018 				restart_queue->rd.nt.nt_hba = ntp;
2019 				goto noresrc;
2020 			}
2021 		}
2022 	}
2023 
2024 	atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2025 	if (atiop == NULL) {
2026 		goto noresrc;
2027 	}
2028 
2029 	atp = isp_get_atpd(isp, tptr, 0);
2030 	if (atp == NULL) {
2031 		goto noresrc;
2032 	}
2033 
2034 	atp->tag = aep->at_rxid;
2035 	atp->state = ATPD_STATE_ATIO;
2036 	SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2037 	tptr->atio_count--;
2038 	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
2039 	atiop->ccb_h.target_id = FCPARAM(isp, 0)->isp_loopid;
2040 	atiop->ccb_h.target_lun = lun;
2041 
2042 	/*
2043 	 * We don't get 'suggested' sense data as we do with SCSI cards.
2044 	 */
2045 	atiop->sense_len = 0;
2046 	if (ISP_CAP_2KLOGIN(isp)) {
2047 		/*
2048 		 * NB: We could not possibly have 2K logins if we
2049 		 * NB: also did not have SCC FW.
2050 		 */
2051 		atiop->init_id = ((at2e_entry_t *)aep)->at_iid;
2052 	} else {
2053 		atiop->init_id = aep->at_iid;
2054 	}
2055 
2056 	/*
2057 	 * If we're not in the port database, add ourselves.
2058 	 */
2059 	if (!IS_2100(isp) && isp_find_pdb_by_loopid(isp, 0, atiop->init_id, &lp) == 0) {
2060 		uint64_t iid =
2061 			(((uint64_t) aep->at_wwpn[0]) << 48) |
2062 			(((uint64_t) aep->at_wwpn[1]) << 32) |
2063 			(((uint64_t) aep->at_wwpn[2]) << 16) |
2064 			(((uint64_t) aep->at_wwpn[3]) <<  0);
2065 		/*
2066 		 * However, make sure we delete ourselves if otherwise
2067 		 * we were there but at a different loop id.
2068 		 */
2069 		if (isp_find_pdb_by_wwn(isp, 0, iid, &lp)) {
2070 			isp_del_wwn_entry(isp, 0, iid, lp->handle, lp->portid);
2071 		}
2072 		isp_add_wwn_entry(isp, 0, iid, atiop->init_id, PORT_ANY);
2073 	}
2074 	atiop->cdb_len = ATIO2_CDBLEN;
2075 	ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
2076 	atiop->ccb_h.status = CAM_CDB_RECVD;
2077 	atiop->tag_id = atp->tag;
2078 	switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
2079 	case ATIO2_TC_ATTR_SIMPLEQ:
2080 		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2081 		atiop->tag_action = MSG_SIMPLE_Q_TAG;
2082 		break;
2083 	case ATIO2_TC_ATTR_HEADOFQ:
2084 		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2085 		atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2086 		break;
2087 	case ATIO2_TC_ATTR_ORDERED:
2088 		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2089 		atiop->tag_action = MSG_ORDERED_Q_TAG;
2090 		break;
2091 	case ATIO2_TC_ATTR_ACAQ:		/* ?? */
2092 	case ATIO2_TC_ATTR_UNTAGGED:
2093 	default:
2094 		atiop->tag_action = 0;
2095 		break;
2096 	}
2097 
2098 	atp->orig_datalen = aep->at_datalen;
2099 	atp->bytes_xfered = 0;
2100 	atp->last_xframt = 0;
2101 	atp->lun = lun;
2102 	atp->nphdl = atiop->init_id;
2103 	atp->sid = PORT_ANY;
2104 	atp->oxid = aep->at_oxid;
2105 	atp->cdb0 = aep->at_cdb[0];
2106 	atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK;
2107 	atp->state = ATPD_STATE_CAM;
2108 	xpt_done((union ccb *)atiop);
2109 	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "ATIO2[%x] CDB=0x%x lun %d datalen %u\n", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen);
2110 	rls_lun_statep(isp, tptr);
2111 	return;
2112 noresrc:
2113 	ntp = isp_get_ntpd(isp, tptr);
2114 	if (ntp == NULL) {
2115 		rls_lun_statep(isp, tptr);
2116 		isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
2117 		return;
2118 	}
2119 	memcpy(ntp->rd.data, aep, QENTRY_LEN);
2120 	ntp->rd.nt.nt_hba = tptr->restart_queue;
2121 	tptr->restart_queue = ntp;
2122 	rls_lun_statep(isp, tptr);
2123 }
2124 
2125 static void
2126 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep)
2127 {
2128 	int cdbxlen;
2129 	uint16_t lun, chan, nphdl = NIL_HANDLE;
2130 	uint32_t did, sid;
2131 	uint64_t wwn = INI_NONE;
2132 	fcportdb_t *lp;
2133 	tstate_t *tptr;
2134 	struct ccb_accept_tio *atiop;
2135 	atio_private_data_t *atp = NULL;
2136 	inot_private_data_t *ntp;
2137 
2138 	did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
2139 	sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2140 	lun = (aep->at_cmnd.fcp_cmnd_lun[0] << 8) | aep->at_cmnd.fcp_cmnd_lun[1];
2141 
2142 	/*
2143 	 * Find the N-port handle, and Virtual Port Index for this command.
2144 	 *
2145 	 * If we can't, we're somewhat in trouble because we can't actually respond w/o that information.
2146 	 * We also, as a matter of course, need to know the WWN of the initiator too.
2147 	 */
2148 	if (ISP_CAP_MULTI_ID(isp)) {
2149 		/*
2150 		 * Find the right channel based upon D_ID
2151 		 */
2152 		isp_find_chan_by_did(isp, did, &chan);
2153 
2154 		if (chan == ISP_NOCHAN) {
2155 			NANOTIME_T now;
2156 
2157 			/*
2158 			 * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup
2159 			 * It's a bit tricky here as we need to stash this command *somewhere*.
2160 			 */
2161 			GET_NANOTIME(&now);
2162 			if (NANOTIME_SUB(&isp->isp_init_time, &now) > 2000000000ULL) {
2163 				isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did);
2164 				isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
2165 				return;
2166 			}
2167 			tptr = get_lun_statep(isp, 0, 0);
2168 			if (tptr == NULL) {
2169 				tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
2170 				if (tptr == NULL) {
2171 					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);
2172 					isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
2173 					return;
2174 				}
2175 			}
2176 			isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did);
2177 			goto noresrc;
2178 		}
2179 		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);
2180 	} else {
2181 		chan = 0;
2182 	}
2183 
2184 	/*
2185 	 * Find the PDB entry for this initiator
2186 	 */
2187 	if (isp_find_pdb_by_sid(isp, chan, sid, &lp) == 0) {
2188 		/*
2189 		 * If we're not in the port database terminate the exchange.
2190 		 */
2191 		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",
2192 		    __func__, aep->at_rxid, did, chan, sid);
2193 		isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0);
2194 		return;
2195 	}
2196 	nphdl = lp->handle;
2197 	wwn = lp->port_wwn;
2198 
2199 	/*
2200 	 * Get the tstate pointer
2201 	 */
2202 	tptr = get_lun_statep(isp, chan, lun);
2203 	if (tptr == NULL) {
2204 		tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD);
2205 		if (tptr == NULL) {
2206 			isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] no state pointer for lun %d or wildcard", aep->at_rxid, lun);
2207 			isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
2208 			return;
2209 		}
2210 	}
2211 
2212 	/*
2213 	 * Start any commands pending resources first.
2214 	 */
2215 	if (tptr->restart_queue) {
2216 		inot_private_data_t *restart_queue = tptr->restart_queue;
2217 		tptr->restart_queue = NULL;
2218 		while (restart_queue) {
2219 			ntp = restart_queue;
2220 			restart_queue = ntp->rd.nt.nt_hba;
2221 			isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid);
2222 			isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data);
2223 			isp_put_ntpd(isp, tptr, ntp);
2224 			/*
2225 			 * If a recursion caused the restart queue to start to fill again,
2226 			 * stop and splice the new list on top of the old list and restore
2227 			 * it and go to noresrc.
2228 			 */
2229 			if (tptr->restart_queue) {
2230 				if (restart_queue) {
2231 					ntp = tptr->restart_queue;
2232 					tptr->restart_queue = restart_queue;
2233 					while (restart_queue->rd.nt.nt_hba) {
2234 						restart_queue = restart_queue->rd.nt.nt_hba;
2235 					}
2236 					restart_queue->rd.nt.nt_hba = ntp;
2237 				}
2238 				goto noresrc;
2239 			}
2240 		}
2241 	}
2242 
2243 	/*
2244 	 * If the f/w is out of resources, just send a BUSY status back.
2245 	 */
2246 	if (aep->at_rxid == AT7_NORESRC_RXID) {
2247 		rls_lun_statep(isp, tptr);
2248 		isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
2249 		return;
2250 	}
2251 
2252 	/*
2253 	 * If we're out of resources, just send a BUSY status back.
2254 	 */
2255 	atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2256 	if (atiop == NULL) {
2257 		isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid);
2258 		goto noresrc;
2259 	}
2260 
2261 	atp = isp_get_atpd(isp, tptr, 0);
2262 	if (atp == NULL) {
2263 		isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid);
2264 		goto noresrc;
2265 	}
2266 	if (isp_get_atpd(isp, tptr, aep->at_rxid)) {
2267 		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)\n",
2268 		    aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id);
2269 		/*
2270 		 * It's not a "no resource" condition- but we can treat it like one
2271 		 */
2272 		goto noresrc;
2273 	}
2274 
2275 	atp->tag = aep->at_rxid;
2276 	atp->state = ATPD_STATE_ATIO;
2277 	SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2278 	tptr->atio_count--;
2279 	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
2280 	atiop->init_id = nphdl;
2281 	atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid;
2282 	atiop->ccb_h.target_lun = lun;
2283 	atiop->sense_len = 0;
2284 	cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT;
2285 	if (cdbxlen) {
2286 		isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored");
2287 	}
2288 	cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb);
2289 	ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen);
2290 	atiop->cdb_len = cdbxlen;
2291 	atiop->ccb_h.status = CAM_CDB_RECVD;
2292 	atiop->tag_id = atp->tag;
2293 	switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) {
2294 	case FCP_CMND_TASK_ATTR_SIMPLE:
2295 		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2296 		atiop->tag_action = MSG_SIMPLE_Q_TAG;
2297 		break;
2298 	case FCP_CMND_TASK_ATTR_HEAD:
2299 		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2300 		atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2301 		break;
2302 	case FCP_CMND_TASK_ATTR_ORDERED:
2303 		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2304 		atiop->tag_action = MSG_ORDERED_Q_TAG;
2305 		break;
2306 	default:
2307 		/* FALLTHROUGH */
2308 	case FCP_CMND_TASK_ATTR_ACA:
2309 	case FCP_CMND_TASK_ATTR_UNTAGGED:
2310 		atiop->tag_action = 0;
2311 		break;
2312 	}
2313 	atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
2314 	atp->bytes_xfered = 0;
2315 	atp->last_xframt = 0;
2316 	atp->lun = lun;
2317 	atp->nphdl = nphdl;
2318 	atp->portid = sid;
2319 	atp->oxid = aep->at_hdr.ox_id;
2320 	atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
2321 	atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK;
2322 	atp->state = ATPD_STATE_CAM;
2323 	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "ATIO7[%x] CDB=0x%x lun %d datalen %u\n", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen);
2324 	xpt_done((union ccb *)atiop);
2325 	rls_lun_statep(isp, tptr);
2326 	return;
2327 noresrc:
2328 	if (atp) {
2329 		isp_put_atpd(isp, tptr, atp);
2330 	}
2331 	ntp = isp_get_ntpd(isp, tptr);
2332 	if (ntp == NULL) {
2333 		rls_lun_statep(isp, tptr);
2334 		isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
2335 		return;
2336 	}
2337 	memcpy(ntp->rd.data, aep, QENTRY_LEN);
2338 	ntp->rd.nt.nt_hba = tptr->restart_queue;
2339 	tptr->restart_queue = ntp;
2340 	rls_lun_statep(isp, tptr);
2341 }
2342 
2343 static void
2344 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg)
2345 {
2346 	union ccb *ccb;
2347 	int sentstatus, ok, notify_cam, resid = 0;
2348 	tstate_t *tptr = NULL;
2349 	atio_private_data_t *atp = NULL;
2350 	int bus;
2351 	uint32_t tval, handle;
2352 
2353 	/*
2354 	 * CTIO handles are 16 bits.
2355 	 * CTIO2 and CTIO7 are 32 bits.
2356 	 */
2357 
2358 	if (IS_SCSI(isp)) {
2359 		handle = ((ct_entry_t *)arg)->ct_syshandle;
2360 	} else {
2361 		handle = ((ct2_entry_t *)arg)->ct_syshandle;
2362 	}
2363 	ccb = isp_find_xs_tgt(isp, handle);
2364 	if (ccb == NULL) {
2365 		isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg);
2366 		return;
2367 	}
2368 	isp_destroy_tgt_handle(isp, handle);
2369 	bus = XS_CHANNEL(ccb);
2370 	tptr = get_lun_statep(isp, bus, XS_LUN(ccb));
2371 	if (tptr == NULL) {
2372 		tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
2373 	}
2374 	KASSERT((tptr != NULL), ("cannot get state pointer"));
2375 	if (isp->isp_nactive) {
2376 		isp->isp_nactive++;
2377 	}
2378 	if (IS_24XX(isp)) {
2379 		ct7_entry_t *ct = arg;
2380 
2381 		atp = isp_get_atpd(isp, tptr, ct->ct_rxid);
2382 		if (atp == NULL) {
2383 			rls_lun_statep(isp, tptr);
2384 			isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ct->ct_rxid);
2385 			return;
2386 		}
2387 
2388 		sentstatus = ct->ct_flags & CT7_SENDSTATUS;
2389 		ok = (ct->ct_nphdl == CT7_OK);
2390 		if (ok && sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) {
2391 			ccb->ccb_h.status |= CAM_SENT_SENSE;
2392 		}
2393 		notify_cam = ct->ct_header.rqs_seqno & 0x1;
2394 		if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) {
2395 			resid = ct->ct_resid;
2396 			atp->bytes_xfered += (atp->last_xframt - resid);
2397 			atp->last_xframt = 0;
2398 		}
2399 		if (ct->ct_nphdl == CT_HBA_RESET) {
2400 			ok = 0;
2401 			notify_cam = 1;
2402 			sentstatus = 1;
2403 			ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2404 		} else if (!ok) {
2405 			ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2406 		}
2407 		tval = atp->tag;
2408 		isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO7[%x] sts 0x%x flg 0x%x sns %d resid %d %s", __func__,
2409 		    ct->ct_rxid, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2410 		atp->state = ATPD_STATE_PDON; /* XXX: should really come after isp_complete_ctio */
2411 	} else if (IS_FC(isp)) {
2412 		ct2_entry_t *ct = arg;
2413 
2414 		atp = isp_get_atpd(isp, tptr, ct->ct_rxid);
2415 		if (atp == NULL) {
2416 			rls_lun_statep(isp, tptr);
2417 			isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ct->ct_rxid);
2418 			return;
2419 		}
2420 		sentstatus = ct->ct_flags & CT2_SENDSTATUS;
2421 		ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2422 		if (ok && sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) {
2423 			ccb->ccb_h.status |= CAM_SENT_SENSE;
2424 		}
2425 		notify_cam = ct->ct_header.rqs_seqno & 0x1;
2426 		if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) {
2427 			resid = ct->ct_resid;
2428 			atp->bytes_xfered += (atp->last_xframt - resid);
2429 			atp->last_xframt = 0;
2430 		}
2431 		if (ct->ct_status == CT_HBA_RESET) {
2432 			ok = 0;
2433 			notify_cam = 1;
2434 			sentstatus = 1;
2435 			ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2436 		} else if (!ok) {
2437 			ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2438 		}
2439 		isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO2[%x] sts 0x%x flg 0x%x sns %d resid %d %s", __func__,
2440 		    ct->ct_rxid, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2441 		tval = atp->tag;
2442 		atp->state = ATPD_STATE_PDON; /* XXX: should really come after isp_complete_ctio */
2443 	} else {
2444 		ct_entry_t *ct = arg;
2445 		sentstatus = ct->ct_flags & CT_SENDSTATUS;
2446 		ok = (ct->ct_status  & ~QLTM_SVALID) == CT_OK;
2447 		/*
2448 		 * We *ought* to be able to get back to the original ATIO
2449 		 * here, but for some reason this gets lost. It's just as
2450 		 * well because it's squirrelled away as part of periph
2451 		 * private data.
2452 		 *
2453 		 * We can live without it as long as we continue to use
2454 		 * the auto-replenish feature for CTIOs.
2455 		 */
2456 		notify_cam = ct->ct_header.rqs_seqno & 0x1;
2457 		if (ct->ct_status == (CT_HBA_RESET & 0xff)) {
2458 			ok = 0;
2459 			notify_cam = 1;
2460 			sentstatus = 1;
2461 			ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2462 		} else if (!ok) {
2463 			ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2464 		} else if (ct->ct_status & QLTM_SVALID) {
2465 			char *sp = (char *)ct;
2466 			sp += CTIO_SENSE_OFFSET;
2467 			ccb->csio.sense_len = min(sizeof (ccb->csio.sense_data), QLTM_SENSELEN);
2468 			ISP_MEMCPY(&ccb->csio.sense_data, sp, ccb->csio.sense_len);
2469 			ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
2470 		}
2471 		if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) {
2472 			resid = ct->ct_resid;
2473 		}
2474 		isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] tag %x S_ID 0x%x lun %d sts %x flg %x resid %d %s", __func__,
2475 		    ct->ct_fwhandle, ct->ct_tag_val, ct->ct_iid, ct->ct_lun, ct->ct_status, ct->ct_flags, resid, sentstatus? "FIN" : "MID");
2476 		tval = ct->ct_fwhandle;
2477 	}
2478 	ccb->csio.resid += resid;
2479 
2480 	/*
2481 	 * We're here either because intermediate data transfers are done
2482 	 * and/or the final status CTIO (which may have joined with a
2483 	 * Data Transfer) is done.
2484 	 *
2485 	 * In any case, for this platform, the upper layers figure out
2486 	 * what to do next, so all we do here is collect status and
2487 	 * pass information along. Any DMA handles have already been
2488 	 * freed.
2489 	 */
2490 	if (notify_cam == 0) {
2491 		isp_prt(isp, ISP_LOGTDEBUG0, "  INTER CTIO[0x%x] done", tval);
2492 		return;
2493 	}
2494 	if (tptr) {
2495 		rls_lun_statep(isp, tptr);
2496 	}
2497 	isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done", (sentstatus)? "  FINAL " : "MIDTERM ", tval);
2498 
2499 	if (!ok && !IS_24XX(isp)) {
2500 		isp_target_putback_atio(ccb);
2501 	} else {
2502 		isp_complete_ctio(ccb);
2503 	}
2504 }
2505 
2506 static void
2507 isp_handle_platform_notify_scsi(ispsoftc_t *isp, in_entry_t *inot)
2508 {
2509 	(void) isp_notify_ack(isp, inot);
2510 }
2511 
2512 static void
2513 isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp)
2514 {
2515 	int needack = 1;
2516 	switch (inp->in_status) {
2517 	case IN_PORT_LOGOUT:
2518 		/*
2519 		 * XXX: Need to delete this initiator's WWN from the database
2520 		 * XXX: Need to send this LOGOUT upstream
2521 		 */
2522 		isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid);
2523 		break;
2524 	case IN_PORT_CHANGED:
2525 		isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid);
2526 		break;
2527 	case IN_GLOBAL_LOGO:
2528 		isp_del_all_wwn_entries(isp, 0);
2529 		isp_prt(isp, ISP_LOGINFO, "all ports logged out");
2530 		break;
2531 	case IN_ABORT_TASK:
2532 	{
2533 		tstate_t *tptr;
2534 		uint16_t lun;
2535 		uint32_t loopid;
2536 		uint64_t wwn;
2537 		atio_private_data_t *atp;
2538 		fcportdb_t *lp;
2539 		struct ccb_immediate_notify *inot = NULL;
2540 
2541 		if (ISP_CAP_SCCFW(isp)) {
2542 			lun = inp->in_scclun;
2543 		} else {
2544 			lun = inp->in_lun;
2545 		}
2546 		if (ISP_CAP_2KLOGIN(isp)) {
2547 			loopid = ((in_fcentry_e_t *)inp)->in_iid;
2548 		} else {
2549 			loopid = inp->in_iid;
2550 		}
2551 		if (isp_find_pdb_by_loopid(isp, 0, loopid, &lp)) {
2552 			wwn = lp->port_wwn;
2553 		} else {
2554 			wwn = INI_ANY;
2555 		}
2556 		tptr = get_lun_statep(isp, 0, lun);
2557 		if (tptr == NULL) {
2558 			tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
2559 			if (tptr == NULL) {
2560 				isp_prt(isp, ISP_LOGWARN, "ABORT TASK for lun %u- but no tstate", lun);
2561 				return;
2562 			}
2563 		}
2564 		atp = isp_get_atpd(isp, tptr, inp->in_seqid);
2565 
2566 		if (atp) {
2567 			inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
2568 			isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx state %d", inp->in_seqid, (unsigned long long) wwn, atp->state);
2569 			if (inot) {
2570 				tptr->inot_count--;
2571 				SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
2572 				ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
2573 			} else {
2574 				ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "out of INOT structures\n");
2575 			}
2576 		} else {
2577 			ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "abort task RX_ID %x from wwn 0x%016llx, state unknown\n", inp->in_seqid, wwn);
2578 		}
2579 		if (inot) {
2580 			isp_notify_t tmp, *nt = &tmp;
2581 			ISP_MEMZERO(nt, sizeof (isp_notify_t));
2582 			nt->nt_hba = isp;
2583 			nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn;
2584 			nt->nt_wwn = wwn;
2585 			nt->nt_nphdl = loopid;
2586 			nt->nt_sid = PORT_ANY;
2587 			nt->nt_did = PORT_ANY;
2588 			nt->nt_lun = lun;
2589 			nt->nt_need_ack = 1;
2590 			nt->nt_channel = 0;
2591 			nt->nt_ncode = NT_ABORT_TASK;
2592 			nt->nt_lreserved = inot;
2593 			isp_handle_platform_target_tmf(isp, nt);
2594 			needack = 0;
2595 		}
2596 		rls_lun_statep(isp, tptr);
2597 		break;
2598 	}
2599 	default:
2600 		break;
2601 	}
2602 	if (needack) {
2603 		(void) isp_notify_ack(isp, inp);
2604 	}
2605 }
2606 
2607 static void
2608 isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot)
2609 {
2610 	uint16_t nphdl;
2611 	uint32_t portid;
2612 	fcportdb_t *lp;
2613 	uint8_t *ptr = NULL;
2614 	uint64_t wwn;
2615 
2616 	nphdl = inot->in_nphdl;
2617 	if (nphdl != NIL_HANDLE) {
2618 		portid = inot->in_portid_hi << 16 | inot->in_portid_lo;
2619 	} else {
2620 		portid = PORT_ANY;
2621 	}
2622 
2623 	switch (inot->in_status) {
2624 	case IN24XX_ELS_RCVD:
2625 	{
2626 		char buf[16], *msg;
2627 		int chan = ISP_GET_VPIDX(isp, inot->in_vpidx);
2628 
2629 		/*
2630 		 * Note that we're just getting notification that an ELS was received
2631 		 * (possibly with some associated information sent upstream). This is
2632 		 * *not* the same as being given the ELS frame to accept or reject.
2633 		 */
2634 		switch (inot->in_status_subcode) {
2635 		case LOGO:
2636 			msg = "LOGO";
2637 			if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) {
2638 				ptr = (uint8_t *)inot;  /* point to unswizzled entry! */
2639 				wwn =	(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF])   << 56) |
2640 					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+1]) << 48) |
2641 					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+2]) << 40) |
2642 					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+3]) << 32) |
2643 					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+4]) << 24) |
2644 					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+5]) << 16) |
2645 					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+6]) <<  8) |
2646 					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+7]));
2647 			} else {
2648 				wwn = INI_ANY;
2649 			}
2650 			isp_del_wwn_entry(isp, chan, wwn, nphdl, portid);
2651 			break;
2652 		case PRLO:
2653 			msg = "PRLO";
2654 			break;
2655 		case PLOGI:
2656 		case PRLI:
2657 			/*
2658 			 * Treat PRLI the same as PLOGI and make a database entry for it.
2659 			 */
2660 			if (inot->in_status_subcode == PLOGI)
2661 				msg = "PLOGI";
2662 			else
2663 				msg = "PRLI";
2664 			if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) {
2665 				ptr = (uint8_t *)inot;  /* point to unswizzled entry! */
2666 				wwn =	(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF])   << 56) |
2667 					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+1]) << 48) |
2668 					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+2]) << 40) |
2669 					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+3]) << 32) |
2670 					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+4]) << 24) |
2671 					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+5]) << 16) |
2672 					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+6]) <<  8) |
2673 					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+7]));
2674 			} else {
2675 				wwn = INI_NONE;
2676 			}
2677 			isp_add_wwn_entry(isp, chan, wwn, nphdl, portid);
2678 			break;
2679 		case PDISC:
2680 			msg = "PDISC";
2681 			break;
2682 		case ADISC:
2683 			msg = "ADISC";
2684 			break;
2685 		default:
2686 			ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode);
2687 			msg = buf;
2688 			break;
2689 		}
2690 		if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) {
2691 			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);
2692 			break;
2693 		}
2694 		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,
2695 		    inot->in_rxid, inot->in_oxid);
2696 		(void) isp_notify_ack(isp, inot);
2697 		break;
2698 	}
2699 
2700 	case IN24XX_PORT_LOGOUT:
2701 		ptr = "PORT LOGOUT";
2702 		if (isp_find_pdb_by_loopid(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) {
2703 			isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid);
2704 		}
2705 		/* FALLTHROUGH */
2706 	case IN24XX_PORT_CHANGED:
2707 		if (ptr == NULL) {
2708 			ptr = "PORT CHANGED";
2709 		}
2710 		/* FALLTHROUGH */
2711 	case IN24XX_LIP_RESET:
2712 		if (ptr == NULL) {
2713 			ptr = "LIP RESET";
2714 		}
2715 		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), ptr, inot->in_status_subcode, nphdl);
2716 
2717 		/*
2718 		 * All subcodes here are irrelevant. What is relevant
2719 		 * is that we need to terminate all active commands from
2720 		 * this initiator (known by N-port handle).
2721 		 */
2722 		/* XXX IMPLEMENT XXX */
2723 		(void) isp_notify_ack(isp, inot);
2724 		break;
2725 
2726 	case IN24XX_LINK_RESET:
2727 	case IN24XX_LINK_FAILED:
2728 	case IN24XX_SRR_RCVD:
2729 	default:
2730 		(void) isp_notify_ack(isp, inot);
2731 		break;
2732 	}
2733 }
2734 
2735 static int
2736 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp)
2737 {
2738 
2739 	if (isp->isp_state != ISP_RUNSTATE) {
2740 		isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL);
2741 		return (0);
2742 	}
2743 
2744 	/*
2745 	 * This case is for a Task Management Function, which shows up as an ATIO7 entry.
2746 	 */
2747 	if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) {
2748 		ct7_entry_t local, *cto = &local;
2749 		at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved;
2750 		fcportdb_t *lp;
2751 		uint32_t sid;
2752 		uint16_t nphdl;
2753 
2754 		sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2755 		if (isp_find_pdb_by_sid(isp, mp->nt_channel, sid, &lp)) {
2756 			nphdl = lp->handle;
2757 		} else {
2758 			nphdl = NIL_HANDLE;
2759 		}
2760 		ISP_MEMZERO(&local, sizeof (local));
2761 		cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2762 		cto->ct_header.rqs_entry_count = 1;
2763 		cto->ct_nphdl = nphdl;
2764 		cto->ct_rxid = aep->at_rxid;
2765 		cto->ct_vpidx = mp->nt_channel;
2766 		cto->ct_iid_lo = sid;
2767 		cto->ct_iid_hi = sid >> 16;
2768 		cto->ct_oxid = aep->at_hdr.ox_id;
2769 		cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1;
2770 		cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT;
2771 		return (isp_target_put_entry(isp, &local));
2772 	}
2773 
2774 	/*
2775 	 * This case is for a responding to an ABTS frame
2776 	 */
2777 	if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2778 
2779 		/*
2780 		 * Overload nt_need_ack here to mark whether we've terminated the associated command.
2781 		 */
2782 		if (mp->nt_need_ack) {
2783 			uint8_t storage[QENTRY_LEN];
2784 			ct7_entry_t *cto = (ct7_entry_t *) storage;
2785 			abts_t *abts = (abts_t *)mp->nt_lreserved;
2786 
2787 			ISP_MEMZERO(cto, sizeof (ct7_entry_t));
2788 			isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task);
2789 			cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2790 			cto->ct_header.rqs_entry_count = 1;
2791 			cto->ct_nphdl = mp->nt_nphdl;
2792 			cto->ct_rxid = abts->abts_rxid_task;
2793 			cto->ct_iid_lo = mp->nt_sid;
2794 			cto->ct_iid_hi = mp->nt_sid >> 16;
2795 			cto->ct_oxid = abts->abts_ox_id;
2796 			cto->ct_vpidx = mp->nt_channel;
2797 			cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
2798 			if (isp_target_put_entry(isp, cto)) {
2799 				return (ENOMEM);
2800 			}
2801 			mp->nt_need_ack = 0;
2802 		}
2803 		if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) {
2804 			return (ENOMEM);
2805 		} else {
2806 			return (0);
2807 		}
2808 	}
2809 
2810 	/*
2811 	 * Handle logout cases here
2812 	 */
2813 	if (mp->nt_ncode == NT_GLOBAL_LOGOUT) {
2814 		isp_del_all_wwn_entries(isp, mp->nt_channel);
2815 	}
2816 
2817 	if (mp->nt_ncode == NT_LOGOUT) {
2818 		if (!IS_2100(isp) && IS_FC(isp)) {
2819 			isp_del_wwn_entries(isp, mp);
2820 		}
2821 	}
2822 
2823 	/*
2824 	 * General purpose acknowledgement
2825 	 */
2826 	if (mp->nt_need_ack) {
2827 		isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL);
2828 		return (isp_notify_ack(isp, mp->nt_lreserved));
2829 	}
2830 	return (0);
2831 }
2832 
2833 /*
2834  * Handle task management functions.
2835  *
2836  * We show up here with a notify structure filled out.
2837  *
2838  * The nt_lreserved tag points to the original queue entry
2839  */
2840 static void
2841 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify)
2842 {
2843 	tstate_t *tptr;
2844 	fcportdb_t *lp;
2845 	struct ccb_immediate_notify *inot;
2846 	inot_private_data_t *ntp = NULL;
2847 	lun_id_t lun;
2848 
2849 	isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid  0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode,
2850 	    notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun);
2851 	/*
2852 	 * NB: This assignment is necessary because of tricky type conversion.
2853 	 * XXX: This is tricky and I need to check this. If the lun isn't known
2854 	 * XXX: for the task management function, it does not of necessity follow
2855 	 * XXX: that it should go up stream to the wildcard listener.
2856 	 */
2857 	if (notify->nt_lun == LUN_ANY) {
2858 		lun = CAM_LUN_WILDCARD;
2859 	} else {
2860 		lun = notify->nt_lun;
2861 	}
2862 	tptr = get_lun_statep(isp, notify->nt_channel, lun);
2863 	if (tptr == NULL) {
2864 		tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD);
2865 		if (tptr == NULL) {
2866 			isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
2867 			goto bad;
2868 		}
2869 	}
2870 	inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
2871 	if (inot == NULL) {
2872 		isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
2873 		goto bad;
2874 	}
2875 
2876 	if (isp_find_pdb_by_sid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0) {
2877 		inot->initiator_id = CAM_TARGET_WILDCARD;
2878 	} else {
2879 		inot->initiator_id = lp->handle;
2880 	}
2881 	inot->seq_id = notify->nt_tagval;
2882 	inot->tag_id = notify->nt_tagval >> 32;
2883 
2884 	switch (notify->nt_ncode) {
2885 	case NT_ABORT_TASK:
2886 		isp_target_mark_aborted_early(isp, tptr, inot->tag_id);
2887 		inot->arg = MSG_ABORT_TASK;
2888 		break;
2889 	case NT_ABORT_TASK_SET:
2890 		isp_target_mark_aborted_early(isp, tptr, TAG_ANY);
2891 		inot->arg = MSG_ABORT_TASK_SET;
2892 		break;
2893 	case NT_CLEAR_ACA:
2894 		inot->arg = MSG_CLEAR_ACA;
2895 		break;
2896 	case NT_CLEAR_TASK_SET:
2897 		inot->arg = MSG_CLEAR_TASK_SET;
2898 		break;
2899 	case NT_LUN_RESET:
2900 		inot->arg = MSG_LOGICAL_UNIT_RESET;
2901 		break;
2902 	case NT_TARGET_RESET:
2903 		inot->arg = MSG_TARGET_RESET;
2904 		break;
2905 	default:
2906 		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);
2907 		goto bad;
2908 	}
2909 
2910 	ntp = isp_get_ntpd(isp, tptr);
2911 	if (ntp == NULL) {
2912 		isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__);
2913 		goto bad;
2914 	}
2915 	ISP_MEMCPY(&ntp->rd.nt, notify, sizeof (isp_notify_t));
2916 	if (notify->nt_lreserved) {
2917 		ISP_MEMCPY(&ntp->rd.data, notify->nt_lreserved, QENTRY_LEN);
2918 		ntp->rd.nt.nt_lreserved = &ntp->rd.data;
2919 	}
2920 	ntp->rd.seq_id = notify->nt_tagval;
2921 	ntp->rd.tag_id = notify->nt_tagval >> 32;
2922 
2923 	tptr->inot_count--;
2924 	SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
2925 	rls_lun_statep(isp, tptr);
2926 	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
2927 	inot->ccb_h.status = CAM_MESSAGE_RECV;
2928 	xpt_done((union ccb *)inot);
2929 	return;
2930 bad:
2931 	if (tptr) {
2932 		rls_lun_statep(isp, tptr);
2933 	}
2934 	if (notify->nt_need_ack && notify->nt_lreserved) {
2935 		if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2936 			(void) isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM);
2937 		} else {
2938 			(void) isp_notify_ack(isp, notify->nt_lreserved);
2939 		}
2940 	}
2941 }
2942 
2943 /*
2944  * Find the associated private data and mark it as dead so
2945  * we don't try to work on it any further.
2946  */
2947 static void
2948 isp_target_mark_aborted(ispsoftc_t *isp, union ccb *ccb)
2949 {
2950 	tstate_t *tptr;
2951 	atio_private_data_t *atp;
2952 
2953 	tptr = get_lun_statep(isp, XS_CHANNEL(ccb), XS_LUN(ccb));
2954 	if (tptr == NULL) {
2955 		tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
2956 		if (tptr == NULL) {
2957 			ccb->ccb_h.status = CAM_REQ_INVALID;
2958 			return;
2959 		}
2960 	}
2961 
2962 	atp = isp_get_atpd(isp, tptr, ccb->atio.tag_id);
2963 	if (atp == NULL) {
2964 		ccb->ccb_h.status = CAM_REQ_INVALID;
2965 		return;
2966 	}
2967 	atp->dead = 1;
2968 	ccb->ccb_h.status = CAM_REQ_CMP;
2969 }
2970 
2971 static void
2972 isp_target_mark_aborted_early(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id)
2973 {
2974 	atio_private_data_t *atp;
2975 	inot_private_data_t *restart_queue = tptr->restart_queue;
2976 
2977 	/*
2978 	 * First, clean any commands pending restart
2979 	 */
2980 	tptr->restart_queue = NULL;
2981 	while (restart_queue) {
2982 		uint32_t this_tag_id;
2983 		inot_private_data_t *ntp = restart_queue;
2984 
2985 		restart_queue = ntp->rd.nt.nt_hba;
2986 
2987 		if (IS_24XX(isp)) {
2988 			this_tag_id = ((at7_entry_t *)ntp->rd.data)->at_rxid;
2989 		} else {
2990 			this_tag_id = ((at2_entry_t *)ntp->rd.data)->at_rxid;
2991 		}
2992 		if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) {
2993 			isp_put_ntpd(isp, tptr, ntp);
2994 		} else {
2995 			ntp->rd.nt.nt_hba = tptr->restart_queue;
2996 			tptr->restart_queue = ntp;
2997 		}
2998 	}
2999 
3000 	/*
3001 	 * Now mark other ones dead as well.
3002 	 */
3003 	for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
3004 		if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) {
3005 			atp->dead = 1;
3006 		}
3007 	}
3008 }
3009 
3010 
3011 #ifdef	ISP_INTERNAL_TARGET
3012 // #define	ISP_FORCE_TIMEOUT		1
3013 // #define	ISP_TEST_WWNS			1
3014 // #define	ISP_TEST_SEPARATE_STATUS	1
3015 
3016 #define	ccb_data_offset		ppriv_field0
3017 #define	ccb_atio		ppriv_ptr1
3018 #define	ccb_inot		ppriv_ptr1
3019 
3020 #define	MAX_ISP_TARG_TRANSFER	(2 << 20)
3021 #define	NISP_TARG_CMDS		1024
3022 #define	NISP_TARG_NOTIFIES	1024
3023 #define	DISK_SHIFT		9
3024 #define	JUNK_SIZE		256
3025 
3026 #ifndef	VERIFY_10
3027 #define	VERIFY_10	0x2f
3028 #endif
3029 
3030 TAILQ_HEAD(ccb_queue, ccb_hdr);
3031 extern u_int vm_kmem_size;
3032 static int ca;
3033 static uint32_t disk_size;
3034 static uint8_t *disk_data = NULL;
3035 static uint8_t *junk_data;
3036 static MALLOC_DEFINE(M_ISPTARG, "ISPTARG", "ISP TARGET data");
3037 struct isptarg_softc {
3038 	/* CCBs (CTIOs, ATIOs, INOTs) pending on the controller */
3039 	struct ccb_queue	work_queue;
3040 	struct ccb_queue	rework_queue;
3041 	struct ccb_queue	running_queue;
3042 	struct ccb_queue	inot_queue;
3043 	struct cam_periph       *periph;
3044 	struct cam_path	 	*path;
3045 	ispsoftc_t		*isp;
3046 };
3047 static periph_ctor_t	isptargctor;
3048 static periph_dtor_t	isptargdtor;
3049 static periph_start_t	isptargstart;
3050 static periph_init_t	isptarginit;
3051 static void		isptarg_done(struct cam_periph *, union ccb *);
3052 static void		isptargasync(void *, u_int32_t, struct cam_path *, void *);
3053 
3054 
3055 static int isptarg_rwparm(uint8_t *, uint8_t *, uint64_t, uint32_t, uint8_t **, uint32_t *, int *);
3056 
3057 static struct periph_driver isptargdriver =
3058 {
3059 	isptarginit, "isptarg", TAILQ_HEAD_INITIALIZER(isptargdriver.units), /* generation */ 0
3060 };
3061 
3062 static void
3063 isptarginit(void)
3064 {
3065 }
3066 
3067 static void
3068 isptargnotify(ispsoftc_t *isp, union ccb *iccb, struct ccb_immediate_notify *inot)
3069 {
3070 	struct ccb_notify_acknowledge *ack = &iccb->cna2;
3071 
3072 	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, inot->ccb_h.path, "%s: [0x%x] immediate notify for 0x%x from 0x%x status 0x%x arg 0x%x\n", __func__,
3073 	    inot->tag_id, inot->initiator_id, inot->seq_id, inot->ccb_h.status, inot->arg);
3074 	ack->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE;
3075 	ack->ccb_h.flags = 0;
3076 	ack->ccb_h.retry_count = 0;
3077 	ack->ccb_h.cbfcnp = isptarg_done;
3078 	ack->ccb_h.timeout = 0;
3079 	ack->ccb_h.ccb_inot = inot;
3080 	ack->tag_id = inot->tag_id;
3081 	ack->seq_id = inot->seq_id;
3082 	ack->initiator_id = inot->initiator_id;
3083 	xpt_action(iccb);
3084 }
3085 
3086 static void
3087 isptargstart(struct cam_periph *periph, union ccb *iccb)
3088 {
3089 	const uint8_t niliqd[SHORT_INQUIRY_LENGTH] = {
3090 		0x7f, 0x0, 0x5, 0x2, 32, 0, 0, 0x32,
3091 		'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ',
3092 		'S', 'C', 'S', 'I', ' ', 'N', 'U', 'L',
3093 		'L', ' ', 'D', 'E', 'V', 'I', 'C', 'E',
3094 		'0', '0', '0', '1'
3095 	};
3096 	const uint8_t iqd[SHORT_INQUIRY_LENGTH] = {
3097 		0, 0x0, 0x5, 0x2, 32, 0, 0, 0x32,
3098 		'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ',
3099 		'S', 'C', 'S', 'I', ' ', 'M', 'E', 'M',
3100 		'O', 'R', 'Y', ' ', 'D', 'I', 'S', 'K',
3101 		'0', '0', '0', '1'
3102 	};
3103 	int i, more = 0, last;
3104 	struct isptarg_softc *softc = periph->softc;
3105 	struct ccb_scsiio *csio;
3106 	lun_id_t return_lun;
3107 	struct ccb_accept_tio *atio;
3108 	uint8_t *cdb, *ptr, status;
3109 	uint8_t *data_ptr;
3110 	uint32_t data_len, flags;
3111 	struct ccb_hdr *ccbh;
3112 
3113 	KKASSERT(lockstatus(periph->sim->mtx, curthread) != 0);
3114 	ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, iccb->ccb_h.path, "%s: function code 0x%x INOTQ=%c WORKQ=%c REWORKQ=%c\n", __func__, iccb->ccb_h.func_code,
3115 	    TAILQ_FIRST(&softc->inot_queue)? 'y' : 'n', TAILQ_FIRST(&softc->work_queue)? 'y' : 'n', TAILQ_FIRST(&softc->rework_queue)? 'y' : 'n');
3116 	/*
3117 	 * Check for immediate notifies first
3118 	 */
3119 	ccbh = TAILQ_FIRST(&softc->inot_queue);
3120 	if (ccbh) {
3121 		TAILQ_REMOVE(&softc->inot_queue, ccbh, periph_links.tqe);
3122 		if (TAILQ_FIRST(&softc->inot_queue) || TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue)) {
3123 			xpt_schedule(periph, 1);
3124 		}
3125 		isptargnotify(softc->isp, iccb, (struct ccb_immediate_notify *)ccbh);
3126 		return;
3127 	}
3128 
3129 	/*
3130 	 * Check the rework (continuation) work queue first.
3131 	 */
3132 	ccbh = TAILQ_FIRST(&softc->rework_queue);
3133 	if (ccbh) {
3134 		atio = (struct ccb_accept_tio *)ccbh;
3135 		TAILQ_REMOVE(&softc->rework_queue, ccbh, periph_links.tqe);
3136 		more = TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue);
3137 	} else {
3138 		ccbh = TAILQ_FIRST(&softc->work_queue);
3139 		if (ccbh == NULL) {
3140 			ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, iccb->ccb_h.path, "%s: woken up but no work?\n", __func__);
3141 			xpt_release_ccb(iccb);
3142 			return;
3143 		}
3144 		atio = (struct ccb_accept_tio *)ccbh;
3145 		TAILQ_REMOVE(&softc->work_queue, ccbh, periph_links.tqe);
3146 		more = TAILQ_FIRST(&softc->work_queue) != NULL;
3147 		atio->ccb_h.ccb_data_offset = 0;
3148 	}
3149 
3150 	if (atio->tag_id == 0xffffffff || atio->ccb_h.func_code != XPT_ACCEPT_TARGET_IO) {
3151 		panic("BAD ATIO");
3152 	}
3153 
3154 	data_ptr = NULL;
3155 	data_len = 0;
3156 	csio = &iccb->csio;
3157 	status = SCSI_STATUS_OK;
3158 	flags = CAM_SEND_STATUS;
3159 	memset(&atio->sense_data, 0, sizeof (atio->sense_data));
3160 	cdb = atio->cdb_io.cdb_bytes;
3161 	ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, ccbh->path, "%s: [0x%x] processing ATIO from 0x%x CDB=0x%x data_offset=%u\n", __func__, atio->tag_id, atio->init_id,
3162 	    cdb[0], atio->ccb_h.ccb_data_offset);
3163 
3164 	return_lun = XS_LUN(atio);
3165 	if (return_lun != 0) {
3166 		xpt_print(atio->ccb_h.path, "[0x%x] Non-Zero Lun %d: cdb0=0x%x\n", atio->tag_id, return_lun, cdb[0]);
3167 		if (cdb[0] != INQUIRY && cdb[0] != REPORT_LUNS && cdb[0] != REQUEST_SENSE) {
3168 			status = SCSI_STATUS_CHECK_COND;
3169 			atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_ILLEGAL_REQUEST;
3170 			atio->sense_data.add_sense_code = 0x25;
3171 			atio->sense_data.add_sense_code_qual = 0x0;
3172 			atio->sense_len = sizeof (atio->sense_data);
3173 		}
3174 		return_lun = CAM_LUN_WILDCARD;
3175 	}
3176 
3177 	switch (cdb[0]) {
3178 	case REQUEST_SENSE:
3179 		flags |= CAM_DIR_IN;
3180 		data_len = sizeof (atio->sense_data);
3181 		junk_data[0] = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_NO_SENSE;
3182 		memset(junk_data+1, 0, data_len-1);
3183 		if (data_len > cdb[4]) {
3184 			data_len = cdb[4];
3185 		}
3186 		if (data_len) {
3187 			data_ptr = junk_data;
3188 		}
3189 		break;
3190 	case READ_6:
3191 	case READ_10:
3192 	case READ_12:
3193 	case READ_16:
3194 		if (isptarg_rwparm(cdb, disk_data, disk_size, atio->ccb_h.ccb_data_offset, &data_ptr, &data_len, &last)) {
3195 			status = SCSI_STATUS_CHECK_COND;
3196 			atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3197 			atio->sense_data.add_sense_code = 0x5;
3198 			atio->sense_data.add_sense_code_qual = 0x24;
3199 			atio->sense_len = sizeof (atio->sense_data);
3200 		} else {
3201 #ifdef	ISP_FORCE_TIMEOUT
3202 			{
3203 				static int foo;
3204 				if (foo++ == 500) {
3205 					if (more) {
3206 						xpt_schedule(periph, 1);
3207 					}
3208 					foo = 0;
3209 					return;
3210 				}
3211 			}
3212 #endif
3213 #ifdef	ISP_TEST_SEPARATE_STATUS
3214 			if (last && data_len) {
3215 				last = 0;
3216 			}
3217 #endif
3218 			if (last == 0) {
3219 				flags &= ~CAM_SEND_STATUS;
3220 			}
3221 			if (data_len) {
3222 				atio->ccb_h.ccb_data_offset += data_len;
3223 				flags |= CAM_DIR_IN;
3224 			} else {
3225 				flags |= CAM_DIR_NONE;
3226 			}
3227 		}
3228 		break;
3229 	case WRITE_6:
3230 	case WRITE_10:
3231 	case WRITE_12:
3232 	case WRITE_16:
3233 		if (isptarg_rwparm(cdb, disk_data, disk_size, atio->ccb_h.ccb_data_offset, &data_ptr, &data_len, &last)) {
3234 			status = SCSI_STATUS_CHECK_COND;
3235 			atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3236 			atio->sense_data.add_sense_code = 0x5;
3237 			atio->sense_data.add_sense_code_qual = 0x24;
3238 			atio->sense_len = sizeof (atio->sense_data);
3239 		} else {
3240 #ifdef	ISP_FORCE_TIMEOUT
3241 			{
3242 				static int foo;
3243 				if (foo++ == 500) {
3244 					if (more) {
3245 						xpt_schedule(periph, 1);
3246 					}
3247 					foo = 0;
3248 					return;
3249 				}
3250 			}
3251 #endif
3252 #ifdef	ISP_TEST_SEPARATE_STATUS
3253 			if (last && data_len) {
3254 				last = 0;
3255 			}
3256 #endif
3257 			if (last == 0) {
3258 				flags &= ~CAM_SEND_STATUS;
3259 			}
3260 			if (data_len) {
3261 				atio->ccb_h.ccb_data_offset += data_len;
3262 				flags |= CAM_DIR_OUT;
3263 			} else {
3264 				flags |= CAM_DIR_NONE;
3265 			}
3266 		}
3267 		break;
3268 	case INQUIRY:
3269 		flags |= CAM_DIR_IN;
3270 		if (cdb[1] || cdb[2] || cdb[3]) {
3271 			status = SCSI_STATUS_CHECK_COND;
3272 			atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3273 			atio->sense_data.add_sense_code = 0x5;
3274 			atio->sense_data.add_sense_code_qual = 0x20;
3275 			atio->sense_len = sizeof (atio->sense_data);
3276 			break;
3277 		}
3278 		data_len = sizeof (iqd);
3279 		if (data_len > cdb[4]) {
3280 			data_len = cdb[4];
3281 		}
3282 		if (data_len) {
3283 			if (XS_LUN(iccb) != 0) {
3284 				memcpy(junk_data, niliqd, sizeof (iqd));
3285 			} else {
3286 				memcpy(junk_data, iqd, sizeof (iqd));
3287 			}
3288 			data_ptr = junk_data;
3289 		}
3290 		break;
3291 	case TEST_UNIT_READY:
3292 		flags |= CAM_DIR_NONE;
3293 		if (ca) {
3294 			ca = 0;
3295 			status = SCSI_STATUS_CHECK_COND;
3296 			atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3297 			atio->sense_data.add_sense_code = 0x28;
3298 			atio->sense_data.add_sense_code_qual = 0x0;
3299 			atio->sense_len = sizeof (atio->sense_data);
3300 		}
3301 		break;
3302 	case SYNCHRONIZE_CACHE:
3303 	case START_STOP:
3304 	case RESERVE:
3305 	case RELEASE:
3306 	case VERIFY_10:
3307 		flags |= CAM_DIR_NONE;
3308 		break;
3309 
3310 	case READ_CAPACITY:
3311 		flags |= CAM_DIR_IN;
3312 		if (cdb[2] || cdb[3] || cdb[4] || cdb[5]) {
3313 			status = SCSI_STATUS_CHECK_COND;
3314 			atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3315 			atio->sense_data.add_sense_code = 0x5;
3316 			atio->sense_data.add_sense_code_qual = 0x24;
3317 			atio->sense_len = sizeof (atio->sense_data);
3318 			break;
3319 		}
3320 		if (cdb[8] & 0x1) { /* PMI */
3321 			junk_data[0] = 0xff;
3322 			junk_data[1] = 0xff;
3323 			junk_data[2] = 0xff;
3324 			junk_data[3] = 0xff;
3325 		} else {
3326 			uint64_t last_blk = (disk_size >> DISK_SHIFT) - 1;
3327 			if (last_blk < 0xffffffffULL) {
3328 			    junk_data[0] = (last_blk >> 24) & 0xff;
3329 			    junk_data[1] = (last_blk >> 16) & 0xff;
3330 			    junk_data[2] = (last_blk >>  8) & 0xff;
3331 			    junk_data[3] = (last_blk) & 0xff;
3332 			} else {
3333 			    junk_data[0] = 0xff;
3334 			    junk_data[1] = 0xff;
3335 			    junk_data[2] = 0xff;
3336 			    junk_data[3] = 0xff;
3337 			}
3338 		}
3339 		junk_data[4] = ((1 << DISK_SHIFT) >> 24) & 0xff;
3340 		junk_data[5] = ((1 << DISK_SHIFT) >> 16) & 0xff;
3341 		junk_data[6] = ((1 << DISK_SHIFT) >>  8) & 0xff;
3342 		junk_data[7] = ((1 << DISK_SHIFT)) & 0xff;
3343 		data_ptr = junk_data;
3344 		data_len = 8;
3345 		break;
3346 	case REPORT_LUNS:
3347 		flags |= CAM_DIR_IN;
3348 		memset(junk_data, 0, JUNK_SIZE);
3349 		junk_data[0] = (1 << 3) >> 24;
3350 		junk_data[1] = (1 << 3) >> 16;
3351 		junk_data[2] = (1 << 3) >> 8;
3352 		junk_data[3] = (1 << 3);
3353 		ptr = NULL;
3354 		for (i = 0; i < 1; i++) {
3355 			ptr = &junk_data[8 + (1 << 3)];
3356 			if (i >= 256) {
3357 				ptr[0] = 0x40 | ((i >> 8) & 0x3f);
3358 			}
3359 			ptr[1] = i;
3360 		}
3361 		data_ptr = junk_data;
3362 		data_len = (ptr + 8) - junk_data;
3363 		break;
3364 
3365 	default:
3366 		flags |= CAM_DIR_NONE;
3367 		status = SCSI_STATUS_CHECK_COND;
3368 		atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3369 		atio->sense_data.add_sense_code = 0x5;
3370 		atio->sense_data.add_sense_code_qual = 0x20;
3371 		atio->sense_len = sizeof (atio->sense_data);
3372 		break;
3373 	}
3374 
3375 	/*
3376 	 * If we are done with the transaction, tell the
3377 	 * controller to send status and perform a CMD_CMPLT.
3378 	 * If we have associated sense data, see if we can
3379 	 * send that too.
3380 	 */
3381 	if (status == SCSI_STATUS_CHECK_COND) {
3382 		flags |= CAM_SEND_SENSE;
3383 		csio->sense_len = atio->sense_len;
3384 		csio->sense_data = atio->sense_data;
3385 		flags &= ~CAM_DIR_MASK;
3386 		data_len = 0;
3387 		data_ptr = NULL;
3388 	}
3389 	cam_fill_ctio(csio, 0, isptarg_done, flags, MSG_SIMPLE_Q_TAG, atio->tag_id, atio->init_id, status, data_ptr, data_len, 0);
3390 	iccb->ccb_h.target_id = atio->ccb_h.target_id;
3391 	iccb->ccb_h.target_lun = return_lun;
3392 	iccb->ccb_h.ccb_atio = atio;
3393 	xpt_action(iccb);
3394 
3395 	if ((atio->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3396 		cam_release_devq(periph->path, 0, 0, 0, 0);
3397 		atio->ccb_h.status &= ~CAM_DEV_QFRZN;
3398 	}
3399 	if (more) {
3400 		xpt_schedule(periph, 1);
3401 	}
3402 }
3403 
3404 static cam_status
3405 isptargctor(struct cam_periph *periph, void *arg)
3406 {
3407 	struct isptarg_softc *softc;
3408 
3409 	softc = (struct isptarg_softc *)arg;
3410 	periph->softc = softc;
3411 	softc->periph = periph;
3412 	softc->path = periph->path;
3413 	ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, periph->path, "%s called\n", __func__);
3414 	return (CAM_REQ_CMP);
3415 }
3416 
3417 static void
3418 isptargdtor(struct cam_periph *periph)
3419 {
3420 	struct isptarg_softc *softc;
3421 	softc = (struct isptarg_softc *)periph->softc;
3422 	ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, periph->path, "%s called\n", __func__);
3423 	softc->periph = NULL;
3424 	softc->path = NULL;
3425 	periph->softc = NULL;
3426 }
3427 
3428 static void
3429 isptarg_done(struct cam_periph *periph, union ccb *ccb)
3430 {
3431 	struct isptarg_softc *softc;
3432 	ispsoftc_t *isp;
3433 	struct ccb_accept_tio *atio;
3434 	struct ccb_immediate_notify *inot;
3435 	cam_status status;
3436 
3437 	softc = (struct isptarg_softc *)periph->softc;
3438 	isp = softc->isp;
3439 	status = ccb->ccb_h.status & CAM_STATUS_MASK;
3440 
3441 	switch (ccb->ccb_h.func_code) {
3442 	case XPT_ACCEPT_TARGET_IO:
3443 		atio = (struct ccb_accept_tio *) ccb;
3444 		ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] ATIO seen in %s\n", atio->tag_id, __func__);
3445 		TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, periph_links.tqe);
3446 		xpt_schedule(periph, 1);
3447 		break;
3448 	case XPT_IMMEDIATE_NOTIFY:
3449 		inot = (struct ccb_immediate_notify *) ccb;
3450 		ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] INOT for 0x%x seen in %s\n", inot->tag_id, inot->seq_id, __func__);
3451 		TAILQ_INSERT_TAIL(&softc->inot_queue, &ccb->ccb_h, periph_links.tqe);
3452 		xpt_schedule(periph, 1);
3453 		break;
3454 	case XPT_CONT_TARGET_IO:
3455 		if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3456 			cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0);
3457 			ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
3458 		}
3459 		atio = ccb->ccb_h.ccb_atio;
3460 		if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3461 			cam_error_print(ccb, CAM_ESF_ALL, CAM_EPF_ALL);
3462 			xpt_action((union ccb *)atio);
3463 		} else if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
3464 			ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] MID CTIO seen in %s\n", atio->tag_id, __func__);
3465 			TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe);
3466 			xpt_schedule(periph, 1);
3467 		} else {
3468 			ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] FINAL CTIO seen in %s\n", atio->tag_id, __func__);
3469 			xpt_action((union ccb *)atio);
3470 		}
3471 		xpt_release_ccb(ccb);
3472 		break;
3473 	case XPT_NOTIFY_ACKNOWLEDGE:
3474 		if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3475 			cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0);
3476 			ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
3477 		}
3478 		inot = ccb->ccb_h.ccb_inot;
3479 		ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, inot->ccb_h.path, "[0x%x] recycle notify for tag 0x%x\n", inot->tag_id, inot->seq_id);
3480 		xpt_release_ccb(ccb);
3481 		xpt_action((union ccb *)inot);
3482 		break;
3483 	default:
3484 		xpt_print(ccb->ccb_h.path, "unexpected code 0x%x\n", ccb->ccb_h.func_code);
3485 		break;
3486 	}
3487 }
3488 
3489 static void
3490 isptargasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg)
3491 {
3492 	struct ac_contract *acp = arg;
3493 	struct ac_device_changed *fc = (struct ac_device_changed *) acp->contract_data;
3494 
3495 	if (code != AC_CONTRACT) {
3496 		return;
3497 	}
3498 	xpt_print(path, "0x%016llx Port ID 0x%06x %s\n", (unsigned long long) fc->wwpn, fc->port, fc->arrived? "arrived" : "departed");
3499 }
3500 
3501 static void
3502 isp_target_thread(ispsoftc_t *isp, int chan)
3503 {
3504 	union ccb *ccb = NULL;
3505 	int i;
3506 	void *wchan;
3507 	cam_status status;
3508 	struct isptarg_softc *softc = NULL;
3509 	struct cam_periph *periph = NULL, *wperiph = NULL;
3510 	struct cam_path *path, *wpath;
3511 	struct cam_sim *sim;
3512 
3513 	if (disk_data == NULL) {
3514 		disk_size = roundup2(vm_kmem_size >> 1, (1ULL << 20));
3515 		if (disk_size < (50 << 20)) {
3516 			disk_size = 50 << 20;
3517 		}
3518 		disk_data = kmalloc(disk_size, M_ISPTARG, M_WAITOK | M_ZERO);
3519 		isp_prt(isp, ISP_LOGINFO, "allocated a %ju MiB disk", (uintmax_t) (disk_size >> 20));
3520 	}
3521 	junk_data = kmalloc(JUNK_SIZE, M_ISPTARG, M_WAITOK | M_ZERO);
3522 
3523 
3524 	softc = kmalloc(sizeof (*softc), M_ISPTARG, M_WAITOK | M_ZERO);
3525 	TAILQ_INIT(&softc->work_queue);
3526 	TAILQ_INIT(&softc->rework_queue);
3527 	TAILQ_INIT(&softc->running_queue);
3528 	TAILQ_INIT(&softc->inot_queue);
3529 	softc->isp = isp;
3530 
3531 	periphdriver_register(&isptargdriver);
3532 	ISP_GET_PC(isp, chan, sim, sim);
3533 	ISP_GET_PC(isp, chan, path,  path);
3534 	status = xpt_create_path_unlocked(&wpath, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
3535 	if (status != CAM_REQ_CMP) {
3536 		isp_prt(isp, ISP_LOGERR, "%s: could not allocate wildcard path", __func__);
3537 		return;
3538 	}
3539 	status = xpt_create_path_unlocked(&path, NULL, cam_sim_path(sim), 0, 0);
3540 	if (status != CAM_REQ_CMP) {
3541 		xpt_free_path(wpath);
3542 		isp_prt(isp, ISP_LOGERR, "%s: could not allocate path", __func__);
3543 		return;
3544 	}
3545 
3546 	ISP_LOCK(isp);
3547 	status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, wpath, NULL, 0, softc);
3548 	if (status != CAM_REQ_CMP) {
3549 		ISP_UNLOCK(isp);
3550 		isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc for wildcard failed", __func__);
3551 		goto out;
3552 	}
3553 	wperiph = cam_periph_find(wpath, "isptarg");
3554 	if (wperiph == NULL) {
3555 		ISP_UNLOCK(isp);
3556 		isp_prt(isp, ISP_LOGERR, "%s: wildcard periph already allocated but doesn't exist", __func__);
3557 		goto out;
3558 	}
3559 
3560 	status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, path, NULL, 0, softc);
3561 	if (status != CAM_REQ_CMP) {
3562 		ISP_UNLOCK(isp);
3563 		isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc failed", __func__);
3564 		goto out;
3565 	}
3566 
3567 	periph = cam_periph_find(path, "isptarg");
3568 	if (periph == NULL) {
3569 		ISP_UNLOCK(isp);
3570 		isp_prt(isp, ISP_LOGERR, "%s: periph already allocated but doesn't exist", __func__);
3571 		goto out;
3572 	}
3573 
3574 	status = xpt_register_async(AC_CONTRACT, isptargasync, isp, wpath);
3575 	if (status != CAM_REQ_CMP) {
3576 		ISP_UNLOCK(isp);
3577 		isp_prt(isp, ISP_LOGERR, "%s: xpt_register_async failed", __func__);
3578 		goto out;
3579 	}
3580 
3581 	ISP_UNLOCK(isp);
3582 
3583 	ccb = xpt_alloc_ccb();
3584 
3585 	/*
3586 	 * Make sure role is none.
3587 	 */
3588 	xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
3589 	ccb->ccb_h.func_code = XPT_SET_SIM_KNOB;
3590 	ccb->knob.xport_specific.fc.role = KNOB_ROLE_NONE;
3591 #ifdef	ISP_TEST_WWNS
3592 	ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE | KNOB_VALID_ADDRESS;
3593 	ccb->knob.xport_specific.fc.wwnn = 0x508004d000000000ULL | (device_get_unit(isp->isp_osinfo.dev) << 8) | (chan << 16);
3594 	ccb->knob.xport_specific.fc.wwpn = 0x508004d000000001ULL | (device_get_unit(isp->isp_osinfo.dev) << 8) | (chan << 16);
3595 #else
3596 	ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE;
3597 #endif
3598 
3599 	ISP_LOCK(isp);
3600 	xpt_action(ccb);
3601 	ISP_UNLOCK(isp);
3602 
3603 	/*
3604 	 * Now enable luns
3605 	 */
3606 	xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
3607 	ccb->ccb_h.func_code = XPT_EN_LUN;
3608 	ccb->cel.enable = 1;
3609 	ISP_LOCK(isp);
3610 	xpt_action(ccb);
3611 	ISP_UNLOCK(isp);
3612 	if (ccb->ccb_h.status != CAM_REQ_CMP) {
3613 		xpt_free_ccb(&ccb->ccb_h);
3614 		xpt_print(periph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status);
3615 		goto out;
3616 	}
3617 
3618 	xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 10);
3619 	ccb->ccb_h.func_code = XPT_EN_LUN;
3620 	ccb->cel.enable = 1;
3621 	ISP_LOCK(isp);
3622 	xpt_action(ccb);
3623 	ISP_UNLOCK(isp);
3624 	if (ccb->ccb_h.status != CAM_REQ_CMP) {
3625 		xpt_free_ccb(&ccb->ccb_h);
3626 		xpt_print(wperiph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status);
3627 		goto out;
3628 	}
3629 	xpt_free_ccb(&ccb->ccb_h);
3630 	ccb = NULL; /* safety */
3631 
3632 	/*
3633 	 * Add resources
3634 	 */
3635 	ISP_GET_PC_ADDR(isp, chan, target_proc, wchan);
3636 	for (i = 0; i < 4; i++) {
3637 		ccb = xpt_alloc_ccb();
3638 		xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1);
3639 		ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO;
3640 		ccb->ccb_h.cbfcnp = isptarg_done;
3641 		ISP_LOCK(isp);
3642 		xpt_action(ccb);
3643 		ISP_UNLOCK(isp);
3644 	}
3645 	for (i = 0; i < NISP_TARG_CMDS; i++) {
3646 		ccb = xpt_alloc_ccb();
3647 		xpt_setup_ccb(&ccb->ccb_h, periph->path, 1);
3648 		ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO;
3649 		ccb->ccb_h.cbfcnp = isptarg_done;
3650 		ISP_LOCK(isp);
3651 		xpt_action(ccb);
3652 		ISP_UNLOCK(isp);
3653 	}
3654 	for (i = 0; i < 4; i++) {
3655 		ccb = xpt_alloc_ccb();
3656 		xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1);
3657 		ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY;
3658 		ccb->ccb_h.cbfcnp = isptarg_done;
3659 		ISP_LOCK(isp);
3660 		xpt_action(ccb);
3661 		ISP_UNLOCK(isp);
3662 	}
3663 	for (i = 0; i < NISP_TARG_NOTIFIES; i++) {
3664 		ccb = xpt_alloc_ccb();
3665 		xpt_setup_ccb(&ccb->ccb_h, periph->path, 1);
3666 		ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY;
3667 		ccb->ccb_h.cbfcnp = isptarg_done;
3668 		ISP_LOCK(isp);
3669 		xpt_action(ccb);
3670 		ISP_UNLOCK(isp);
3671 	}
3672 
3673 	/*
3674 	 * Now turn it all back on
3675 	 */
3676 	ccb = xpt_alloc_ccb();
3677 	xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
3678 	ccb->ccb_h.func_code = XPT_SET_SIM_KNOB;
3679 	ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE;
3680 	ccb->knob.xport_specific.fc.role = KNOB_ROLE_TARGET;
3681 	ISP_LOCK(isp);
3682 	xpt_action(ccb);
3683 	xpt_free_ccb(&ccb->ccb_h);
3684 	ISP_UNLOCK(isp);
3685 
3686 	/*
3687 	 * Okay, while things are still active, sleep...
3688 	 */
3689 	ISP_LOCK(isp);
3690 	for (;;) {
3691 		ISP_GET_PC(isp, chan, proc_active, i);
3692 		if (i == 0) {
3693 			break;
3694 		}
3695 		lksleep(wchan, &isp->isp_lock, PUSER, "tsnooze", 0);
3696 	}
3697 	ISP_UNLOCK(isp);
3698 
3699 out:
3700 	if (wperiph) {
3701 		cam_periph_invalidate(wperiph);
3702 	}
3703 	if (periph) {
3704 		cam_periph_invalidate(periph);
3705 	}
3706 	if (junk_data) {
3707 		kfree(junk_data, M_ISPTARG);
3708 	}
3709 	if (disk_data) {
3710 		kfree(disk_data, M_ISPTARG);
3711 	}
3712 	if (softc) {
3713 		kfree(softc, M_ISPTARG);
3714 	}
3715 	xpt_free_path(path);
3716 	xpt_free_path(wpath);
3717 }
3718 
3719 static void
3720 isp_target_thread_pi(void *arg)
3721 {
3722 	struct isp_spi *pi = arg;
3723 	isp_target_thread(cam_sim_softc(pi->sim), cam_sim_bus(pi->sim));
3724 }
3725 
3726 static void
3727 isp_target_thread_fc(void *arg)
3728 {
3729 	struct isp_fc *fc = arg;
3730 	isp_target_thread(cam_sim_softc(fc->sim), cam_sim_bus(fc->sim));
3731 }
3732 
3733 static int
3734 isptarg_rwparm(uint8_t *cdb, uint8_t *dp, uint64_t dl, uint32_t offset, uint8_t **kp, uint32_t *tl, int *lp)
3735 {
3736 	uint32_t cnt, curcnt;
3737 	uint64_t lba;
3738 
3739 	switch (cdb[0]) {
3740 	case WRITE_16:
3741 	case READ_16:
3742 		cnt =	(((uint32_t)cdb[10]) <<  24) |
3743 			(((uint32_t)cdb[11]) <<  16) |
3744 			(((uint32_t)cdb[12]) <<   8) |
3745 			((uint32_t)cdb[13]);
3746 
3747 		lba =	(((uint64_t)cdb[2]) << 56) |
3748 			(((uint64_t)cdb[3]) << 48) |
3749 			(((uint64_t)cdb[4]) << 40) |
3750 			(((uint64_t)cdb[5]) << 32) |
3751 			(((uint64_t)cdb[6]) << 24) |
3752 			(((uint64_t)cdb[7]) << 16) |
3753 			(((uint64_t)cdb[8]) <<  8) |
3754 			((uint64_t)cdb[9]);
3755 		break;
3756 	case WRITE_12:
3757 	case READ_12:
3758 		cnt =	(((uint32_t)cdb[6]) <<  16) |
3759 			(((uint32_t)cdb[7]) <<   8) |
3760 			((u_int32_t)cdb[8]);
3761 
3762 		lba =	(((uint32_t)cdb[2]) << 24) |
3763 			(((uint32_t)cdb[3]) << 16) |
3764 			(((uint32_t)cdb[4]) <<  8) |
3765 			((uint32_t)cdb[5]);
3766 		break;
3767 	case WRITE_10:
3768 	case READ_10:
3769 		cnt =	(((uint32_t)cdb[7]) <<  8) |
3770 			((u_int32_t)cdb[8]);
3771 
3772 		lba =	(((uint32_t)cdb[2]) << 24) |
3773 			(((uint32_t)cdb[3]) << 16) |
3774 			(((uint32_t)cdb[4]) <<  8) |
3775 			((uint32_t)cdb[5]);
3776 		break;
3777 	case WRITE_6:
3778 	case READ_6:
3779 		cnt = cdb[4];
3780 		if (cnt == 0) {
3781 			cnt = 256;
3782 		}
3783 		lba =	(((uint32_t)cdb[1] & 0x1f) << 16) |
3784 			(((uint32_t)cdb[2]) << 8) |
3785 			((uint32_t)cdb[3]);
3786 		break;
3787 	default:
3788 		return (-1);
3789 	}
3790 
3791 	cnt <<= DISK_SHIFT;
3792 	lba <<= DISK_SHIFT;
3793 
3794 	if (offset == cnt) {
3795 		*lp = 1;
3796 		return (0);
3797 	}
3798 
3799 	if (lba + cnt > dl) {
3800 		return (-1);
3801 	}
3802 
3803 
3804 	curcnt = MAX_ISP_TARG_TRANSFER;
3805 	if (offset + curcnt >= cnt) {
3806 		curcnt = cnt - offset;
3807 		*lp = 1;
3808 	} else {
3809 		*lp = 0;
3810 	}
3811 	*tl = curcnt;
3812 	*kp = &dp[lba + offset];
3813 	return (0);
3814 }
3815 
3816 #endif
3817 #endif
3818 
3819 static void
3820 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg)
3821 {
3822 	struct cam_sim *sim;
3823 	int bus, tgt;
3824 	ispsoftc_t *isp;
3825 
3826 	sim = (struct cam_sim *)cbarg;
3827 	isp = (ispsoftc_t *) cam_sim_softc(sim);
3828 	bus = cam_sim_bus(sim);
3829 	tgt = xpt_path_target_id(path);
3830 
3831 	switch (code) {
3832 	case AC_LOST_DEVICE:
3833 		if (IS_SCSI(isp)) {
3834 			uint16_t oflags, nflags;
3835 			sdparam *sdp = SDPARAM(isp, bus);
3836 
3837 			if (tgt >= 0) {
3838 				nflags = sdp->isp_devparam[tgt].nvrm_flags;
3839 #ifndef	ISP_TARGET_MODE
3840 				nflags &= DPARM_SAFE_DFLT;
3841 				if (isp->isp_loaded_fw) {
3842 					nflags |= DPARM_NARROW | DPARM_ASYNC;
3843 				}
3844 #else
3845 				nflags = DPARM_DEFAULT;
3846 #endif
3847 				oflags = sdp->isp_devparam[tgt].goal_flags;
3848 				sdp->isp_devparam[tgt].goal_flags = nflags;
3849 				sdp->isp_devparam[tgt].dev_update = 1;
3850 				sdp->update = 1;
3851 				(void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
3852 				sdp->isp_devparam[tgt].goal_flags = oflags;
3853 			}
3854 		}
3855 		break;
3856 	default:
3857 		isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
3858 		break;
3859 	}
3860 }
3861 
3862 static void
3863 isp_poll(struct cam_sim *sim)
3864 {
3865 	ispsoftc_t *isp = cam_sim_softc(sim);
3866 	uint32_t isr;
3867 	uint16_t sema, mbox;
3868 
3869 	if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
3870 		isp_intr(isp, isr, sema, mbox);
3871 	}
3872 }
3873 
3874 
3875 static void
3876 isp_watchdog(void *arg)
3877 {
3878 	struct ccb_scsiio *xs = arg;
3879 	ispsoftc_t *isp;
3880 	uint32_t ohandle = ISP_HANDLE_FREE, handle;
3881 
3882 	isp = XS_ISP(xs);
3883 	ISP_LOCK(isp);
3884 
3885 	handle = isp_find_handle(isp, xs);
3886 
3887 	if (handle != ISP_HANDLE_FREE && !XS_CMD_WPEND_P(xs)) {
3888 		isp_xs_prt(isp, xs, ISP_LOGWARN, "first watchdog (handle 0x%x) timed out- deferring for grace period", handle);
3889 		callout_reset(&PISP_PCMD(xs)->wdog, 2 * hz, isp_watchdog, xs);
3890 		XS_CMD_S_WPEND(xs);
3891 		ISP_UNLOCK(isp);
3892 		return;
3893 	}
3894 	XS_C_TACTIVE(xs);
3895 
3896 	/*
3897 	 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere.
3898 	 */
3899 	if (handle != ISP_HANDLE_FREE) {
3900 		uint32_t isr;
3901 		uint16_t sema, mbox;
3902 		if (ISP_READ_ISR(isp, &isr, &sema, &mbox) != 0) {
3903 			isp_intr(isp, isr, sema, mbox);
3904 		}
3905 		ohandle = handle;
3906 		handle = isp_find_handle(isp, xs);
3907 	}
3908 	if (handle != ISP_HANDLE_FREE) {
3909 		/*
3910 		 * Try and make sure the command is really dead before
3911 		 * we release the handle (and DMA resources) for reuse.
3912 		 *
3913 		 * If we are successful in aborting the command then
3914 		 * we're done here because we'll get the command returned
3915 		 * back separately.
3916 		 */
3917 		if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
3918 			ISP_UNLOCK(isp);
3919 			return;
3920 		}
3921 
3922 		/*
3923 		 * Note that after calling the above, the command may in
3924 		 * fact have been completed.
3925 		 */
3926 		xs = isp_find_xs(isp, handle);
3927 
3928 		/*
3929 		 * If the command no longer exists, then we won't
3930 		 * be able to find the xs again with this handle.
3931 		 */
3932 		if (xs == NULL) {
3933 			ISP_UNLOCK(isp);
3934 			return;
3935 		}
3936 
3937 		/*
3938 		 * After this point, the command is really dead.
3939 		 */
3940 		if (XS_XFRLEN(xs)) {
3941 			ISP_DMAFREE(isp, xs, handle);
3942 		}
3943 		isp_destroy_handle(isp, handle);
3944 		isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle);
3945 		XS_SETERR(xs, CAM_CMD_TIMEOUT);
3946 		isp_prt_endcmd(isp, xs);
3947 		isp_done(xs);
3948 	} else {
3949 		if (ohandle != ISP_HANDLE_FREE) {
3950 			isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle);
3951 		} else {
3952 			isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__);
3953 		}
3954 	}
3955 	ISP_UNLOCK(isp);
3956 }
3957 
3958 static void
3959 isp_bus_scan_cb(struct cam_periph *periph, union ccb *ccb)
3960 {
3961 	if (ccb->ccb_h.status != CAM_REQ_CMP)
3962 		kprintf("cam_scan_callback: failure status = %x\n",
3963 			ccb->ccb_h.status);
3964 
3965 	xpt_free_path(ccb->ccb_h.path);
3966 	xpt_free_ccb(&ccb->ccb_h);
3967 }
3968 
3969 static void
3970 isp_make_here(ispsoftc_t *isp, int chan, int tgt)
3971 {
3972 	union ccb *ccb;
3973 	struct isp_fc *fc = ISP_FC_PC(isp, chan);
3974 
3975 	if (isp_autoconfig == 0) {
3976 		return;
3977 	}
3978 
3979 	/*
3980 	 * Allocate a CCB, create a wildcard path for this target and schedule a rescan.
3981 	 */
3982 	ccb = xpt_alloc_ccb();
3983 	if (ccb == NULL) {
3984 		isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan);
3985 		return;
3986 	}
3987 	if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
3988 		isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan");
3989 		xpt_free_ccb(&ccb->ccb_h);
3990 		return;
3991 	}
3992 	xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, 5/*priority (low)*/);
3993 	ccb->ccb_h.func_code = XPT_SCAN_BUS;
3994 	ccb->ccb_h.cbfcnp = isp_bus_scan_cb;
3995 	ccb->crcn.flags = CAM_FLAG_NONE;
3996 	xpt_action(ccb);
3997 }
3998 
3999 static void
4000 isp_make_gone(ispsoftc_t *isp, int chan, int tgt)
4001 {
4002 	struct cam_path *tp;
4003 	struct isp_fc *fc = ISP_FC_PC(isp, chan);
4004 
4005 	if (isp_autoconfig == 0) {
4006 		return;
4007 	}
4008 	if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
4009 		xpt_async(AC_LOST_DEVICE, tp, NULL);
4010 		xpt_free_path(tp);
4011 	}
4012 }
4013 
4014 /*
4015  * Gone Device Timer Function- when we have decided that a device has gone
4016  * away, we wait a specific period of time prior to telling the OS it has
4017  * gone away.
4018  *
4019  * This timer function fires once a second and then scans the port database
4020  * for devices that are marked dead but still have a virtual target assigned.
4021  * We decrement a counter for that port database entry, and when it hits zero,
4022  * we tell the OS the device has gone away.
4023  */
4024 static void
4025 isp_gdt(void *arg)
4026 {
4027 	struct isp_fc *fc = arg;
4028 
4029 	ISP_LOCK(fc->isp);
4030 	taskqueue_enqueue(taskqueue_swi, &fc->gtask);
4031 	ISP_UNLOCK(fc->isp);
4032 }
4033 
4034 static void
4035 isp_gdt_task(void *arg, int pending)
4036 {
4037 	struct isp_fc *fc = arg;
4038 	ispsoftc_t *isp = fc->isp;
4039 	int chan = fc - isp->isp_osinfo.pc.fc;
4040 	fcportdb_t *lp;
4041 	int dbidx, tgt, more_to_do = 0;
4042 
4043 	ISP_LOCK(isp);
4044 	isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan);
4045 	for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
4046 		lp = &FCPARAM(isp, chan)->portdb[dbidx];
4047 
4048 		if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
4049 			continue;
4050 		}
4051 		if (lp->dev_map_idx == 0 || lp->target_mode) {
4052 			continue;
4053 		}
4054 		if (lp->gone_timer != 0) {
4055 			isp_prt(isp, ISP_LOGSANCFG, "%s: Chan %d more to do for target %u (timer=%u)", __func__, chan, lp->dev_map_idx - 1, lp->gone_timer);
4056 			lp->gone_timer -= 1;
4057 			more_to_do++;
4058 			continue;
4059 		}
4060 		tgt = lp->dev_map_idx - 1;
4061 		FCPARAM(isp, chan)->isp_dev_map[tgt] = 0;
4062 		lp->dev_map_idx = 0;
4063 		lp->state = FC_PORTDB_STATE_NIL;
4064 		isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Gone Device Timeout");
4065 		isp_make_gone(isp, chan, tgt);
4066 	}
4067 	if (fc->ready) {
4068 		if (more_to_do) {
4069 			callout_reset(&fc->gdt, hz, isp_gdt, fc);
4070 		} else {
4071 			callout_deactivate(&fc->gdt);
4072 			isp_prt(isp, ISP_LOGSANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_second);
4073 		}
4074 	}
4075 	ISP_UNLOCK(isp);
4076 }
4077 
4078 /*
4079  * Loop Down Timer Function- when loop goes down, a timer is started and
4080  * and after it expires we come here and take all probational devices that
4081  * the OS knows about and the tell the OS that they've gone away.
4082  *
4083  * We don't clear the devices out of our port database because, when loop
4084  * come back up, we have to do some actual cleanup with the chip at that
4085  * point (implicit PLOGO, e.g., to get the chip's port database state right).
4086  */
4087 static void
4088 isp_ldt(void *arg)
4089 {
4090 	struct isp_fc *fc = arg;
4091 
4092 	ISP_LOCK(fc->isp);
4093 	taskqueue_enqueue(taskqueue_swi, &fc->ltask);
4094 	ISP_UNLOCK(fc->isp);
4095 }
4096 
4097 static void
4098 isp_ldt_task(void *arg, int pending)
4099 {
4100 	struct isp_fc *fc = arg;
4101 	ispsoftc_t *isp = fc->isp;
4102 	int chan = fc - isp->isp_osinfo.pc.fc;
4103 	fcportdb_t *lp;
4104 	int dbidx, tgt, i;
4105 
4106 	ISP_LOCK(isp);
4107 	isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Chan %d Loop Down Timer expired @ %lu", chan, (unsigned long) time_second);
4108 	callout_deactivate(&fc->ldt);
4109 
4110 	/*
4111 	 * Notify to the OS all targets who we now consider have departed.
4112 	 */
4113 	for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
4114 		lp = &FCPARAM(isp, chan)->portdb[dbidx];
4115 
4116 		if (lp->state != FC_PORTDB_STATE_PROBATIONAL) {
4117 			continue;
4118 		}
4119 		if (lp->dev_map_idx == 0 || lp->target_mode) {
4120 			continue;
4121 		}
4122 
4123 		/*
4124 		 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST!
4125 		 */
4126 
4127 
4128 		for (i = 0; i < isp->isp_maxcmds; i++) {
4129 			struct ccb_scsiio *xs;
4130 
4131 			if (!ISP_VALID_HANDLE(isp, isp->isp_xflist[i].handle)) {
4132 				continue;
4133 			}
4134 			if ((xs = isp->isp_xflist[i].cmd) == NULL) {
4135 				continue;
4136                         }
4137 			if (dbidx != (FCPARAM(isp, chan)->isp_dev_map[XS_TGT(xs)] - 1)) {
4138 				continue;
4139 			}
4140 			isp_prt(isp, ISP_LOGWARN, "command handle 0x%08x for %d.%d.%d orphaned by loop down timeout",
4141 			    isp->isp_xflist[i].handle, chan, XS_TGT(xs), XS_LUN(xs));
4142 		}
4143 
4144 		/*
4145 		 * Mark that we've announced that this device is gone....
4146 		 */
4147 		lp->reserved = 1;
4148 
4149 		/*
4150 		 * but *don't* change the state of the entry. Just clear
4151 		 * any target id stuff and announce to CAM that the
4152 		 * device is gone. This way any necessary PLOGO stuff
4153 		 * will happen when loop comes back up.
4154 		 */
4155 
4156 		tgt = lp->dev_map_idx - 1;
4157 		FCPARAM(isp, chan)->isp_dev_map[tgt] = 0;
4158 		lp->dev_map_idx = 0;
4159 		lp->state = FC_PORTDB_STATE_NIL;
4160 		isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Loop Down Timeout");
4161 		isp_make_gone(isp, chan, tgt);
4162 	}
4163 
4164 	if (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR) {
4165 		isp_unfreeze_loopdown(isp, chan);
4166 	}
4167 	/*
4168 	 * The loop down timer has expired. Wake up the kthread
4169 	 * to notice that fact (or make it false).
4170 	 */
4171 	fc->loop_dead = 1;
4172 	fc->loop_down_time = fc->loop_down_limit+1;
4173 	wakeup(fc);
4174 	ISP_UNLOCK(isp);
4175 }
4176 
4177 static void
4178 isp_kthread(void *arg)
4179 {
4180 	struct isp_fc *fc = arg;
4181 	ispsoftc_t *isp = fc->isp;
4182 	int chan = fc - isp->isp_osinfo.pc.fc;
4183 	int slp = 0;
4184 
4185 	lockmgr(&isp->isp_osinfo.lock, LK_EXCLUSIVE);
4186 
4187 	for (;;) {
4188 		int lb, lim;
4189 
4190 		isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d checking FC state", __func__, chan);
4191 		lb = isp_fc_runstate(isp, chan, 250000);
4192 
4193 		/*
4194 		 * Our action is different based upon whether we're supporting
4195 		 * Initiator mode or not. If we are, we might freeze the simq
4196 		 * when loop is down and set all sorts of different delays to
4197 		 * check again.
4198 		 *
4199 		 * If not, we simply just wait for loop to come up.
4200 		 */
4201 		if (lb && (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR)) {
4202 			/*
4203 			 * Increment loop down time by the last sleep interval
4204 			 */
4205 			fc->loop_down_time += slp;
4206 
4207 			if (lb < 0) {
4208 				isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC loop not up (down count %d)", __func__, chan, fc->loop_down_time);
4209 			} else {
4210 				isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC got to %d (down count %d)", __func__, chan, lb, fc->loop_down_time);
4211 			}
4212 
4213 			/*
4214 			 * If we've never seen loop up and we've waited longer
4215 			 * than quickboot time, or we've seen loop up but we've
4216 			 * waited longer than loop_down_limit, give up and go
4217 			 * to sleep until loop comes up.
4218 			 */
4219 			if (FCPARAM(isp, chan)->loop_seen_once == 0) {
4220 				lim = isp_quickboot_time;
4221 			} else {
4222 				lim = fc->loop_down_limit;
4223 			}
4224 			if (fc->loop_down_time >= lim) {
4225 				isp_freeze_loopdown(isp, chan, "loop limit hit");
4226 				slp = 0;
4227 			} else if (fc->loop_down_time < 10) {
4228 				slp = 1;
4229 			} else if (fc->loop_down_time < 30) {
4230 				slp = 5;
4231 			} else if (fc->loop_down_time < 60) {
4232 				slp = 10;
4233 			} else if (fc->loop_down_time < 120) {
4234 				slp = 20;
4235 			} else {
4236 				slp = 30;
4237 			}
4238 
4239 		} else if (lb) {
4240 			isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC Loop Down", __func__, chan);
4241 			fc->loop_down_time += slp;
4242 			slp = 60;
4243 		} else {
4244 			isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC state OK", __func__, chan);
4245 			fc->loop_down_time = 0;
4246 			slp = 0;
4247 		}
4248 
4249 
4250 		/*
4251 		 * If this is past the first loop up or the loop is dead and if we'd frozen the simq, unfreeze it
4252 		 * now so that CAM can start sending us commands.
4253 		 *
4254 		 * If the FC state isn't okay yet, they'll hit that in isp_start which will freeze the queue again
4255 		 * or kill the commands, as appropriate.
4256 		 */
4257 
4258 		if (FCPARAM(isp, chan)->loop_seen_once || fc->loop_dead) {
4259 			isp_unfreeze_loopdown(isp, chan);
4260 		}
4261 
4262 		isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep time %d", __func__, chan, slp);
4263 
4264 		lksleep(fc, &isp->isp_osinfo.lock, 0, "ispf", slp * hz);
4265 
4266 		/*
4267 		 * If slp is zero, we're waking up for the first time after
4268 		 * things have been okay. In this case, we set a deferral state
4269 		 * for all commands and delay hysteresis seconds before starting
4270 		 * the FC state evaluation. This gives the loop/fabric a chance
4271 		 * to settle.
4272 		 */
4273 		if (slp == 0 && fc->hysteresis) {
4274 			isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep hysteresis ticks %d", __func__, chan, fc->hysteresis * hz);
4275 			lockmgr(&isp->isp_osinfo.lock, LK_RELEASE);
4276 			tsleep(isp_kthread, 0, "ispt", fc->hysteresis * hz);
4277 			lockmgr(&isp->isp_osinfo.lock, LK_EXCLUSIVE);
4278 		}
4279 	}
4280 	lockmgr(&isp->isp_osinfo.lock, LK_RELEASE);
4281 }
4282 
4283 static void
4284 isp_action(struct cam_sim *sim, union ccb *ccb)
4285 {
4286 	int bus, tgt, ts, error, lim;
4287 	ispsoftc_t *isp;
4288 	struct ccb_trans_settings *cts;
4289 
4290 	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
4291 
4292 	isp = (ispsoftc_t *)cam_sim_softc(sim);
4293 	KKASSERT(lockstatus(&isp->isp_lock, curthread) != 0);
4294 
4295 	if (isp->isp_state != ISP_RUNSTATE && ccb->ccb_h.func_code == XPT_SCSI_IO) {
4296 		isp_init(isp);
4297 		if (isp->isp_state != ISP_INITSTATE) {
4298 			/*
4299 			 * Lie. Say it was a selection timeout.
4300 			 */
4301 			ccb->ccb_h.status = CAM_SEL_TIMEOUT | CAM_DEV_QFRZN;
4302 			xpt_freeze_devq(ccb->ccb_h.path, 1);
4303 			xpt_done(ccb);
4304 			return;
4305 		}
4306 		isp->isp_state = ISP_RUNSTATE;
4307 	}
4308 	isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
4309 	ISP_PCMD(ccb) = NULL;
4310 
4311 	switch (ccb->ccb_h.func_code) {
4312 	case XPT_SCSI_IO:	/* Execute the requested I/O operation */
4313 		bus = XS_CHANNEL(ccb);
4314 		/*
4315 		 * Do a couple of preliminary checks...
4316 		 */
4317 		if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
4318 			if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
4319 				ccb->ccb_h.status = CAM_REQ_INVALID;
4320 				xpt_done(ccb);
4321 				break;
4322 			}
4323 		}
4324 #ifdef	DIAGNOSTIC
4325 		if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) {
4326 			xpt_print(ccb->ccb_h.path, "invalid target\n");
4327 			ccb->ccb_h.status = CAM_PATH_INVALID;
4328 		} else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) {
4329 			xpt_print(ccb->ccb_h.path, "invalid lun\n");
4330 			ccb->ccb_h.status = CAM_PATH_INVALID;
4331 		}
4332 		if (ccb->ccb_h.status == CAM_PATH_INVALID) {
4333 			xpt_done(ccb);
4334 			break;
4335 		}
4336 #endif
4337 		ccb->csio.scsi_status = SCSI_STATUS_OK;
4338 		if (isp_get_pcmd(isp, ccb)) {
4339 			isp_prt(isp, ISP_LOGWARN, "out of PCMDs");
4340 			cam_freeze_devq(ccb->ccb_h.path);
4341 			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
4342 			xpt_done(ccb);
4343 			break;
4344 		}
4345 		error = isp_start((XS_T *) ccb);
4346 		switch (error) {
4347 		case CMD_QUEUED:
4348 			XS_CMD_S_CLEAR(ccb);
4349 			ccb->ccb_h.status |= CAM_SIM_QUEUED;
4350 			if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) {
4351 				break;
4352 			}
4353 			ts = ccb->ccb_h.timeout;
4354 			if (ts == CAM_TIME_DEFAULT) {
4355 				ts = 60*1000;
4356 			}
4357 			ts = isp_mstohz(ts);
4358 			XS_S_TACTIVE(ccb);
4359 			callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb);
4360 			break;
4361 		case CMD_RQLATER:
4362 			/*
4363 			 * We get this result for FC devices if the loop state isn't ready yet
4364 			 * or if the device in question has gone zombie on us.
4365 			 *
4366 			 * If we've never seen Loop UP at all, we requeue this request and wait
4367 			 * for the initial loop up delay to expire.
4368 			 */
4369 			lim = ISP_FC_PC(isp, bus)->loop_down_limit;
4370 			if (FCPARAM(isp, bus)->loop_seen_once == 0 || ISP_FC_PC(isp, bus)->loop_down_time >= lim) {
4371 				if (FCPARAM(isp, bus)->loop_seen_once == 0) {
4372 					isp_prt(isp, ISP_LOGDEBUG0, "%d.%d loop not seen yet @ %lu", XS_TGT(ccb), XS_LUN(ccb), (unsigned long) time_second);
4373 				} else {
4374 					isp_prt(isp, ISP_LOGDEBUG0, "%d.%d downtime (%d) > lim (%d)", XS_TGT(ccb), XS_LUN(ccb), ISP_FC_PC(isp, bus)->loop_down_time, lim);
4375 				}
4376 				ccb->ccb_h.status = CAM_SEL_TIMEOUT|CAM_DEV_QFRZN;
4377 				xpt_freeze_devq(ccb->ccb_h.path, 1);
4378 				isp_free_pcmd(isp, ccb);
4379 				xpt_done(ccb);
4380 				break;
4381 			}
4382 			isp_prt(isp, ISP_LOGDEBUG0, "%d.%d retry later", XS_TGT(ccb), XS_LUN(ccb));
4383 			cam_freeze_devq(ccb->ccb_h.path);
4384 			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
4385 			XS_SETERR(ccb, CAM_REQUEUE_REQ);
4386 			isp_free_pcmd(isp, ccb);
4387 			xpt_done(ccb);
4388 			break;
4389 		case CMD_EAGAIN:
4390 			isp_free_pcmd(isp, ccb);
4391 			cam_freeze_devq(ccb->ccb_h.path);
4392 			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0);
4393 			XS_SETERR(ccb, CAM_REQUEUE_REQ);
4394 			xpt_done(ccb);
4395 			break;
4396 		case CMD_COMPLETE:
4397 			isp_done((struct ccb_scsiio *) ccb);
4398 			break;
4399 		default:
4400 			isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__);
4401 			XS_SETERR(ccb, CAM_REQ_CMP_ERR);
4402 			isp_free_pcmd(isp, ccb);
4403 			xpt_done(ccb);
4404 		}
4405 		break;
4406 
4407 #ifdef	ISP_TARGET_MODE
4408 	case XPT_EN_LUN:		/* Enable/Disable LUN as a target */
4409 		if (ccb->cel.enable) {
4410 			isp_enable_lun(isp, ccb);
4411 		} else {
4412 			isp_disable_lun(isp, ccb);
4413 		}
4414 		break;
4415 	case XPT_IMMED_NOTIFY:
4416 	case XPT_IMMEDIATE_NOTIFY:	/* Add Immediate Notify Resource */
4417 	case XPT_ACCEPT_TARGET_IO:	/* Add Accept Target IO Resource */
4418 	{
4419 		tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
4420 		if (tptr == NULL) {
4421 			tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
4422 		}
4423 		if (tptr == NULL) {
4424 			const char *str;
4425 			uint32_t tag;
4426 
4427 			if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
4428 				str = "XPT_IMMEDIATE_NOTIFY";
4429 				tag = ccb->cin1.seq_id;
4430 			} else {
4431 				tag = ccb->atio.tag_id;
4432 				str = "XPT_ACCEPT_TARGET_IO";
4433 			}
4434 			ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] no state pointer found for %s\n", __func__, tag, str);
4435 			dump_tstates(isp, XS_CHANNEL(ccb));
4436 			ccb->ccb_h.status = CAM_DEV_NOT_THERE;
4437 			break;
4438 		}
4439 		ccb->ccb_h.sim_priv.entries[0].field = 0;
4440 		ccb->ccb_h.sim_priv.entries[1].ptr = isp;
4441 		ccb->ccb_h.flags = 0;
4442 
4443 		if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
4444 			if (ccb->atio.tag_id) {
4445 				atio_private_data_t *atp = isp_get_atpd(isp, tptr, ccb->atio.tag_id);
4446 				if (atp) {
4447 					isp_put_atpd(isp, tptr, atp);
4448 				}
4449 			}
4450 			tptr->atio_count++;
4451 			SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle);
4452 			ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "Put FREE ATIO (tag id 0x%x), count now %d\n",
4453 			    ((struct ccb_accept_tio *)ccb)->tag_id, tptr->atio_count);
4454 		} else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
4455 			if (ccb->cin1.tag_id) {
4456 				inot_private_data_t *ntp = isp_find_ntpd(isp, tptr, ccb->cin1.tag_id, ccb->cin1.seq_id);
4457 				if (ntp) {
4458 					isp_put_ntpd(isp, tptr, ntp);
4459 				}
4460 			}
4461 			tptr->inot_count++;
4462 			SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
4463 			ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n",
4464 			    ((struct ccb_immediate_notify *)ccb)->seq_id, tptr->inot_count);
4465 		} else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
4466 			tptr->inot_count++;
4467 			SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
4468 			ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n",
4469 			    ((struct ccb_immediate_notify *)ccb)->seq_id, tptr->inot_count);
4470 		}
4471 		rls_lun_statep(isp, tptr);
4472 		ccb->ccb_h.status = CAM_REQ_INPROG;
4473 		break;
4474 	}
4475 	case XPT_NOTIFY_ACK:
4476 		ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4477 		break;
4478 	case XPT_NOTIFY_ACKNOWLEDGE:		/* notify ack */
4479 	{
4480 		tstate_t *tptr;
4481 		inot_private_data_t *ntp;
4482 
4483 		/*
4484 		 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb
4485 		 * XXX: matches that for the immediate notify, we have to *search* for the notify structure
4486 		 */
4487 		/*
4488 		 * All the relevant path information is in the associated immediate notify
4489 		 */
4490 		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);
4491 		ntp = get_ntp_from_tagdata(isp, ccb->cna2.tag_id, ccb->cna2.seq_id, &tptr);
4492 		if (ntp == NULL) {
4493 			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__,
4494 			     ccb->cna2.tag_id, ccb->cna2.seq_id);
4495 			ccb->ccb_h.status = CAM_DEV_NOT_THERE;
4496 			xpt_done(ccb);
4497 			break;
4498 		}
4499 		if (isp_handle_platform_target_notify_ack(isp, &ntp->rd.nt)) {
4500 			rls_lun_statep(isp, tptr);
4501 			cam_freeze_devq(ccb->ccb_h.path);
4502 			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
4503 			XS_SETERR(ccb, CAM_REQUEUE_REQ);
4504 			break;
4505 		}
4506 		isp_put_ntpd(isp, tptr, ntp);
4507 		rls_lun_statep(isp, tptr);
4508 		ccb->ccb_h.status = CAM_REQ_CMP;
4509 		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);
4510 		xpt_done(ccb);
4511 		break;
4512 	}
4513 	case XPT_CONT_TARGET_IO:
4514 		isp_target_start_ctio(isp, ccb);
4515 		break;
4516 #endif
4517 	case XPT_RESET_DEV:		/* BDR the specified SCSI device */
4518 
4519 		bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
4520 		tgt = ccb->ccb_h.target_id;
4521 		tgt |= (bus << 16);
4522 
4523 		error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt);
4524 		if (error) {
4525 			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4526 		} else {
4527 			ccb->ccb_h.status = CAM_REQ_CMP;
4528 		}
4529 		xpt_done(ccb);
4530 		break;
4531 	case XPT_ABORT:			/* Abort the specified CCB */
4532 	{
4533 		union ccb *accb = ccb->cab.abort_ccb;
4534 		switch (accb->ccb_h.func_code) {
4535 #ifdef	ISP_TARGET_MODE
4536 		case XPT_ACCEPT_TARGET_IO:
4537 			isp_target_mark_aborted(isp, accb);
4538 			break;
4539 #endif
4540 		case XPT_SCSI_IO:
4541 			error = isp_control(isp, ISPCTL_ABORT_CMD, ccb);
4542 			if (error) {
4543 				ccb->ccb_h.status = CAM_UA_ABORT;
4544 			} else {
4545 				ccb->ccb_h.status = CAM_REQ_CMP;
4546 			}
4547 			break;
4548 		default:
4549 			ccb->ccb_h.status = CAM_REQ_INVALID;
4550 			break;
4551 		}
4552 		/*
4553 		 * This is not a queued CCB, so the caller expects it to be
4554 		 * complete when control is returned.
4555 		 */
4556 		break;
4557 	}
4558 #define	IS_CURRENT_SETTINGS(c)	(c->type == CTS_TYPE_CURRENT_SETTINGS)
4559 	case XPT_SET_TRAN_SETTINGS:	/* Nexus Settings */
4560 		cts = &ccb->cts;
4561 		if (!IS_CURRENT_SETTINGS(cts)) {
4562 			ccb->ccb_h.status = CAM_REQ_INVALID;
4563 			xpt_done(ccb);
4564 			break;
4565 		}
4566 		tgt = cts->ccb_h.target_id;
4567 		bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
4568 		if (IS_SCSI(isp)) {
4569 			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
4570 			struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
4571 			sdparam *sdp = SDPARAM(isp, bus);
4572 			uint16_t *dptr;
4573 
4574 			if (spi->valid == 0 && scsi->valid == 0) {
4575 				ccb->ccb_h.status = CAM_REQ_CMP;
4576 				xpt_done(ccb);
4577 				break;
4578 			}
4579 
4580 			/*
4581 			 * We always update (internally) from goal_flags
4582 			 * so any request to change settings just gets
4583 			 * vectored to that location.
4584 			 */
4585 			dptr = &sdp->isp_devparam[tgt].goal_flags;
4586 
4587 			if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
4588 				if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
4589 					*dptr |= DPARM_DISC;
4590 				else
4591 					*dptr &= ~DPARM_DISC;
4592 			}
4593 
4594 			if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
4595 				if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
4596 					*dptr |= DPARM_TQING;
4597 				else
4598 					*dptr &= ~DPARM_TQING;
4599 			}
4600 
4601 			if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
4602 				if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
4603 					*dptr |= DPARM_WIDE;
4604 				else
4605 					*dptr &= ~DPARM_WIDE;
4606 			}
4607 
4608 			/*
4609 			 * XXX: FIX ME
4610 			 */
4611 			if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) {
4612 				*dptr |= DPARM_SYNC;
4613 				/*
4614 				 * XXX: CHECK FOR LEGALITY
4615 				 */
4616 				sdp->isp_devparam[tgt].goal_period = spi->sync_period;
4617 				sdp->isp_devparam[tgt].goal_offset = spi->sync_offset;
4618 			} else {
4619 				*dptr &= ~DPARM_SYNC;
4620 			}
4621 			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,
4622 			    sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period);
4623 			sdp->isp_devparam[tgt].dev_update = 1;
4624 			sdp->update = 1;
4625 		}
4626 		ccb->ccb_h.status = CAM_REQ_CMP;
4627 		xpt_done(ccb);
4628 		break;
4629 	case XPT_GET_TRAN_SETTINGS:
4630 		cts = &ccb->cts;
4631 		tgt = cts->ccb_h.target_id;
4632 		bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
4633 		if (IS_FC(isp)) {
4634 			fcparam *fcp = FCPARAM(isp, bus);
4635 			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
4636 			struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc;
4637 			unsigned int hdlidx;
4638 
4639 			cts->protocol = PROTO_SCSI;
4640 			cts->protocol_version = SCSI_REV_2;
4641 			cts->transport = XPORT_FC;
4642 			cts->transport_version = 0;
4643 
4644 			scsi->valid = CTS_SCSI_VALID_TQ;
4645 			scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
4646 			fc->valid = CTS_FC_VALID_SPEED;
4647 			fc->bitrate = 100000;
4648 			fc->bitrate *= fcp->isp_gbspeed;
4649 			hdlidx = fcp->isp_dev_map[tgt] - 1;
4650 			if (hdlidx < MAX_FC_TARG) {
4651 				fcportdb_t *lp = &fcp->portdb[hdlidx];
4652 				fc->wwnn = lp->node_wwn;
4653 				fc->wwpn = lp->port_wwn;
4654 				fc->port = lp->portid;
4655 				fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
4656 			}
4657 		} else {
4658 			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
4659 			struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
4660 			sdparam *sdp = SDPARAM(isp, bus);
4661 			uint16_t dval, pval, oval;
4662 
4663 			if (IS_CURRENT_SETTINGS(cts)) {
4664 				sdp->isp_devparam[tgt].dev_refresh = 1;
4665 				sdp->update = 1;
4666 				(void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
4667 				dval = sdp->isp_devparam[tgt].actv_flags;
4668 				oval = sdp->isp_devparam[tgt].actv_offset;
4669 				pval = sdp->isp_devparam[tgt].actv_period;
4670 			} else {
4671 				dval = sdp->isp_devparam[tgt].nvrm_flags;
4672 				oval = sdp->isp_devparam[tgt].nvrm_offset;
4673 				pval = sdp->isp_devparam[tgt].nvrm_period;
4674 			}
4675 
4676 			cts->protocol = PROTO_SCSI;
4677 			cts->protocol_version = SCSI_REV_2;
4678 			cts->transport = XPORT_SPI;
4679 			cts->transport_version = 2;
4680 
4681 			spi->valid = 0;
4682 			scsi->valid = 0;
4683 			spi->flags = 0;
4684 			scsi->flags = 0;
4685 			if (dval & DPARM_DISC) {
4686 				spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
4687 			}
4688 			if ((dval & DPARM_SYNC) && oval && pval) {
4689 				spi->sync_offset = oval;
4690 				spi->sync_period = pval;
4691 			} else {
4692 				spi->sync_offset = 0;
4693 				spi->sync_period = 0;
4694 			}
4695 			spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
4696 			spi->valid |= CTS_SPI_VALID_SYNC_RATE;
4697 			spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
4698 			if (dval & DPARM_WIDE) {
4699 				spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
4700 			} else {
4701 				spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
4702 			}
4703 			if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
4704 				scsi->valid = CTS_SCSI_VALID_TQ;
4705 				if (dval & DPARM_TQING) {
4706 					scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
4707 				}
4708 				spi->valid |= CTS_SPI_VALID_DISC;
4709 			}
4710 			isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%d) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
4711 			    bus, tgt, cts->ccb_h.target_lun, dval, oval, pval);
4712 		}
4713 		ccb->ccb_h.status = CAM_REQ_CMP;
4714 		xpt_done(ccb);
4715 		break;
4716 
4717 	case XPT_CALC_GEOMETRY:
4718 		cam_calc_geometry(&ccb->ccg, 1);
4719 		xpt_done(ccb);
4720 		break;
4721 
4722 	case XPT_RESET_BUS:		/* Reset the specified bus */
4723 		bus = cam_sim_bus(sim);
4724 		error = isp_control(isp, ISPCTL_RESET_BUS, bus);
4725 		if (error) {
4726 			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4727 			xpt_done(ccb);
4728 			break;
4729 		}
4730 		if (bootverbose) {
4731 			xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus);
4732 		}
4733 		if (IS_FC(isp)) {
4734 			xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0);
4735 		} else {
4736 			xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0);
4737 		}
4738 		ccb->ccb_h.status = CAM_REQ_CMP;
4739 		xpt_done(ccb);
4740 		break;
4741 
4742 	case XPT_TERM_IO:		/* Terminate the I/O process */
4743 		ccb->ccb_h.status = CAM_REQ_INVALID;
4744 		xpt_done(ccb);
4745 		break;
4746 
4747 #if 0
4748 	case XPT_SET_SIM_KNOB:		/* Set SIM knobs */
4749 	{
4750 		struct ccb_sim_knob *kp = &ccb->knob;
4751 		fcparam *fcp;
4752 
4753 
4754 		if (!IS_FC(isp)) {
4755 			ccb->ccb_h.status = CAM_REQ_INVALID;
4756 			xpt_done(ccb);
4757 			break;
4758 		}
4759 
4760 		bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
4761 		fcp = FCPARAM(isp, bus);
4762 
4763 		if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) {
4764 			fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn;
4765 			fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn;
4766 			isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn);
4767 		}
4768 		ccb->ccb_h.status = CAM_REQ_CMP;
4769 		if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) {
4770 			int rchange = 0;
4771 			int newrole = 0;
4772 
4773 			switch (kp->xport_specific.fc.role) {
4774 			case KNOB_ROLE_NONE:
4775 				if (fcp->role != ISP_ROLE_NONE) {
4776 					rchange = 1;
4777 					newrole = ISP_ROLE_NONE;
4778 				}
4779 				break;
4780 			case KNOB_ROLE_TARGET:
4781 				if (fcp->role != ISP_ROLE_TARGET) {
4782 					rchange = 1;
4783 					newrole = ISP_ROLE_TARGET;
4784 				}
4785 				break;
4786 			case KNOB_ROLE_INITIATOR:
4787 				if (fcp->role != ISP_ROLE_INITIATOR) {
4788 					rchange = 1;
4789 					newrole = ISP_ROLE_INITIATOR;
4790 				}
4791 				break;
4792 			case KNOB_ROLE_BOTH:
4793 #if 0
4794 				if (fcp->role != ISP_ROLE_BOTH) {
4795 					rchange = 1;
4796 					newrole = ISP_ROLE_BOTH;
4797 				}
4798 #else
4799 				/*
4800 				 * We don't really support dual role at present on FC cards.
4801 				 *
4802 				 * We should, but a bunch of things are currently broken,
4803 				 * so don't allow it.
4804 				 */
4805 				isp_prt(isp, ISP_LOGERR, "cannot support dual role at present");
4806 				ccb->ccb_h.status = CAM_REQ_INVALID;
4807 #endif
4808 				break;
4809 			}
4810 			if (rchange) {
4811 				if (isp_fc_change_role(isp, bus, newrole) != 0) {
4812 					ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4813 #ifdef	ISP_TARGET_MODE
4814 				} else if (newrole == ISP_ROLE_TARGET || newrole == ISP_ROLE_BOTH) {
4815 					isp_enable_deferred_luns(isp, bus);
4816 #endif
4817 				}
4818 			}
4819 		}
4820 		xpt_done(ccb);
4821 		break;
4822 	}
4823 	case XPT_GET_SIM_KNOB:		/* Set SIM knobs */
4824 	{
4825 		struct ccb_sim_knob *kp = &ccb->knob;
4826 
4827 		if (IS_FC(isp)) {
4828 			fcparam *fcp;
4829 
4830 			bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
4831 			fcp = FCPARAM(isp, bus);
4832 
4833 			kp->xport_specific.fc.wwnn = fcp->isp_wwnn;
4834 			kp->xport_specific.fc.wwpn = fcp->isp_wwpn;
4835 			switch (fcp->role) {
4836 			case ISP_ROLE_NONE:
4837 				kp->xport_specific.fc.role = KNOB_ROLE_NONE;
4838 				break;
4839 			case ISP_ROLE_TARGET:
4840 				kp->xport_specific.fc.role = KNOB_ROLE_TARGET;
4841 				break;
4842 			case ISP_ROLE_INITIATOR:
4843 				kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR;
4844 				break;
4845 			case ISP_ROLE_BOTH:
4846 				kp->xport_specific.fc.role = KNOB_ROLE_BOTH;
4847 				break;
4848 			}
4849 			kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE;
4850 			ccb->ccb_h.status = CAM_REQ_CMP;
4851 		} else {
4852 			ccb->ccb_h.status = CAM_REQ_INVALID;
4853 		}
4854 		xpt_done(ccb);
4855 		break;
4856 	}
4857 #endif
4858 	case XPT_PATH_INQ:		/* Path routing inquiry */
4859 	{
4860 		struct ccb_pathinq *cpi = &ccb->cpi;
4861 
4862 		cpi->version_num = 1;
4863 #ifdef	ISP_TARGET_MODE
4864 		cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
4865 #else
4866 		cpi->target_sprt = 0;
4867 #endif
4868 		cpi->hba_eng_cnt = 0;
4869 		cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
4870 		cpi->max_lun = ISP_MAX_LUNS(isp) - 1;
4871 		cpi->bus_id = cam_sim_bus(sim);
4872 		bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
4873 		if (IS_FC(isp)) {
4874 			fcparam *fcp = FCPARAM(isp, bus);
4875 
4876 			cpi->hba_misc = PIM_NOBUSRESET;
4877 
4878 			/*
4879 			 * Because our loop ID can shift from time to time,
4880 			 * make our initiator ID out of range of our bus.
4881 			 */
4882 			cpi->initiator_id = cpi->max_target + 1;
4883 
4884 			/*
4885 			 * Set base transfer capabilities for Fibre Channel, for this HBA.
4886 			 */
4887 			if (IS_25XX(isp)) {
4888 				cpi->base_transfer_speed = 8000000;
4889 			} else if (IS_24XX(isp)) {
4890 				cpi->base_transfer_speed = 4000000;
4891 			} else if (IS_23XX(isp)) {
4892 				cpi->base_transfer_speed = 2000000;
4893 			} else {
4894 				cpi->base_transfer_speed = 1000000;
4895 			}
4896 			cpi->hba_inquiry = PI_TAG_ABLE;
4897 			cpi->transport = XPORT_FC;
4898 			cpi->transport_version = 0;
4899 			cpi->xport_specific.fc.wwnn = fcp->isp_wwnn;
4900 			cpi->xport_specific.fc.wwpn = fcp->isp_wwpn;
4901 			cpi->xport_specific.fc.port = fcp->isp_portid;
4902 			cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000;
4903 		} else {
4904 			sdparam *sdp = SDPARAM(isp, bus);
4905 			cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
4906 			cpi->hba_misc = 0;
4907 			cpi->initiator_id = sdp->isp_initiator_id;
4908 			cpi->base_transfer_speed = 3300;
4909 			cpi->transport = XPORT_SPI;
4910 			cpi->transport_version = 2;
4911 		}
4912 		cpi->protocol = PROTO_SCSI;
4913 		cpi->protocol_version = SCSI_REV_2;
4914 		strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
4915 		strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
4916 		strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
4917 		cpi->unit_number = cam_sim_unit(sim);
4918 		cpi->ccb_h.status = CAM_REQ_CMP;
4919 		xpt_done(ccb);
4920 		break;
4921 	}
4922 	default:
4923 		ccb->ccb_h.status = CAM_REQ_INVALID;
4924 		xpt_done(ccb);
4925 		break;
4926 	}
4927 }
4928 
4929 #define	ISPDDB	(CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB)
4930 
4931 void
4932 isp_done(XS_T *sccb)
4933 {
4934 	ispsoftc_t *isp = XS_ISP(sccb);
4935 	uint32_t status;
4936 
4937 	if (XS_NOERR(sccb))
4938 		XS_SETERR(sccb, CAM_REQ_CMP);
4939 
4940 	if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) {
4941 		sccb->ccb_h.status &= ~CAM_STATUS_MASK;
4942 		if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
4943 			sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
4944 		} else {
4945 			sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
4946 		}
4947 	}
4948 
4949 	sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
4950 	status = sccb->ccb_h.status & CAM_STATUS_MASK;
4951 	if (status != CAM_REQ_CMP) {
4952 		if (status != CAM_SEL_TIMEOUT)
4953 			isp_prt(isp, ISP_LOGDEBUG0, "target %d lun %d CAM status 0x%x SCSI status 0x%x", XS_TGT(sccb), XS_LUN(sccb), sccb->ccb_h.status, sccb->scsi_status);
4954 		if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
4955 			sccb->ccb_h.status |= CAM_DEV_QFRZN;
4956 			xpt_freeze_devq(sccb->ccb_h.path, 1);
4957 		}
4958 	}
4959 
4960 	if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) && (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4961 		xpt_print(sccb->ccb_h.path, "cam completion status 0x%x\n", sccb->ccb_h.status);
4962 	}
4963 
4964 	XS_CMD_S_DONE(sccb);
4965 	if (XS_TACTIVE_P(sccb))
4966 		callout_stop(&PISP_PCMD(sccb)->wdog);
4967 	XS_CMD_S_CLEAR(sccb);
4968 	isp_free_pcmd(isp, (union ccb *) sccb);
4969 	xpt_done((union ccb *) sccb);
4970 }
4971 
4972 void
4973 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...)
4974 {
4975 	int bus;
4976 	static const char prom[] = "Chan %d PortID 0x%06x handle 0x%x role %s %s WWPN 0x%08x%08x";
4977 	static const char prom2[] = "Chan %d PortID 0x%06x handle 0x%x role %s %s tgt %u WWPN 0x%08x%08x";
4978 	char *msg = NULL;
4979 	target_id_t tgt;
4980 	fcportdb_t *lp;
4981 	struct isp_fc *fc;
4982 	struct cam_path *tmppath;
4983 	__va_list ap;
4984 
4985 	switch (cmd) {
4986 	case ISPASYNC_NEW_TGT_PARAMS:
4987 	{
4988 		struct ccb_trans_settings_scsi *scsi;
4989 		struct ccb_trans_settings_spi *spi;
4990 		int flags, tgt;
4991 		sdparam *sdp;
4992 		struct ccb_trans_settings cts;
4993 
4994 		memset(&cts, 0, sizeof (struct ccb_trans_settings));
4995 
4996 		__va_start(ap, cmd);
4997 		bus = __va_arg(ap, int);
4998 		tgt = __va_arg(ap, int);
4999 		__va_end(ap);
5000 		sdp = SDPARAM(isp, bus);
5001 
5002 		if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
5003 			isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus);
5004 			break;
5005 		}
5006 		flags = sdp->isp_devparam[tgt].actv_flags;
5007 		cts.type = CTS_TYPE_CURRENT_SETTINGS;
5008 		cts.protocol = PROTO_SCSI;
5009 		cts.transport = XPORT_SPI;
5010 
5011 		scsi = &cts.proto_specific.scsi;
5012 		spi = &cts.xport_specific.spi;
5013 
5014 		if (flags & DPARM_TQING) {
5015 			scsi->valid |= CTS_SCSI_VALID_TQ;
5016 			scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
5017 		}
5018 
5019 		if (flags & DPARM_DISC) {
5020 			spi->valid |= CTS_SPI_VALID_DISC;
5021 			spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
5022 		}
5023 		spi->flags |= CTS_SPI_VALID_BUS_WIDTH;
5024 		if (flags & DPARM_WIDE) {
5025 			spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
5026 		} else {
5027 			spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
5028 		}
5029 		if (flags & DPARM_SYNC) {
5030 			spi->valid |= CTS_SPI_VALID_SYNC_RATE;
5031 			spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
5032 			spi->sync_period = sdp->isp_devparam[tgt].actv_period;
5033 			spi->sync_offset = sdp->isp_devparam[tgt].actv_offset;
5034 		}
5035 		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);
5036 		xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
5037 		xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
5038 		xpt_free_path(tmppath);
5039 		break;
5040 	}
5041 	case ISPASYNC_BUS_RESET:
5042 	{
5043 		__va_start(ap, cmd);
5044 		bus = __va_arg(ap, int);
5045 		__va_end(ap);
5046 		isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus);
5047 		if (IS_FC(isp)) {
5048 			xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL);
5049 		} else {
5050 			xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL);
5051 		}
5052 		break;
5053 	}
5054 	case ISPASYNC_LIP:
5055 		if (msg == NULL) {
5056 			msg = "LIP Received";
5057 		}
5058 		/* FALLTHROUGH */
5059 	case ISPASYNC_LOOP_RESET:
5060 		if (msg == NULL) {
5061 			msg = "LOOP Reset";
5062 		}
5063 		/* FALLTHROUGH */
5064 	case ISPASYNC_LOOP_DOWN:
5065 	{
5066 		if (msg == NULL) {
5067 			msg = "LOOP Down";
5068 		}
5069 		__va_start(ap, cmd);
5070 		bus = __va_arg(ap, int);
5071 		__va_end(ap);
5072 
5073 		FCPARAM(isp, bus)->link_active = 0;
5074 
5075 		fc = ISP_FC_PC(isp, bus);
5076 		if (cmd == ISPASYNC_LOOP_DOWN && fc->ready) {
5077 			/*
5078 			 * We don't do any simq freezing if we are only in target mode
5079 			 */
5080 			if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) {
5081 				if (fc->path) {
5082 					isp_freeze_loopdown(isp, bus, msg);
5083 				}
5084 				if (!callout_active(&fc->ldt)) {
5085 					callout_reset(&fc->ldt, fc->loop_down_limit * hz, isp_ldt, fc);
5086 					isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Starting Loop Down Timer @ %lu", (unsigned long) time_second);
5087 				}
5088 			}
5089 		}
5090 		isp_prt(isp, ISP_LOGINFO, "Chan %d: %s", bus, msg);
5091 		break;
5092 	}
5093 	case ISPASYNC_LOOP_UP:
5094 		__va_start(ap, cmd);
5095 		bus = __va_arg(ap, int);
5096 		__va_end(ap);
5097 		fc = ISP_FC_PC(isp, bus);
5098 		/*
5099 		 * Now we just note that Loop has come up. We don't
5100 		 * actually do anything because we're waiting for a
5101 		 * Change Notify before activating the FC cleanup
5102 		 * thread to look at the state of the loop again.
5103 		 */
5104 		FCPARAM(isp, bus)->link_active = 1;
5105 		fc->loop_dead = 0;
5106 		fc->loop_down_time = 0;
5107 		isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus);
5108 		break;
5109 	case ISPASYNC_DEV_ARRIVED:
5110 		__va_start(ap, cmd);
5111 		bus = __va_arg(ap, int);
5112 		lp = __va_arg(ap, fcportdb_t *);
5113 		__va_end(ap);
5114 		fc = ISP_FC_PC(isp, bus);
5115 		lp->reserved = 0;
5116 		lp->gone_timer = 0;
5117 		if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && (lp->roles & (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT))) {
5118 			int dbidx = lp - FCPARAM(isp, bus)->portdb;
5119 			int i;
5120 
5121 			for (i = 0; i < MAX_FC_TARG; i++) {
5122 				if (i >= FL_ID && i <= SNS_ID) {
5123 					continue;
5124 				}
5125 				if (FCPARAM(isp, bus)->isp_dev_map[i] == 0) {
5126 					break;
5127 				}
5128 			}
5129 			if (i < MAX_FC_TARG) {
5130 				FCPARAM(isp, bus)->isp_dev_map[i] = dbidx + 1;
5131 				lp->dev_map_idx = i + 1;
5132 			} else {
5133 				isp_prt(isp, ISP_LOGWARN, "out of target ids");
5134 				isp_dump_portdb(isp, bus);
5135 			}
5136 		}
5137 		if (lp->dev_map_idx) {
5138 			tgt = lp->dev_map_idx - 1;
5139 			isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, roles[lp->roles], "arrived at", tgt, (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5140 			isp_make_here(isp, bus, tgt);
5141 		} else {
5142 			isp_prt(isp, ISP_LOGCONFIG, prom, bus, lp->portid, lp->handle, roles[lp->roles], "arrived", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5143 		}
5144 		break;
5145 	case ISPASYNC_DEV_CHANGED:
5146 		__va_start(ap, cmd);
5147 		bus = __va_arg(ap, int);
5148 		lp = __va_arg(ap, fcportdb_t *);
5149 		__va_end(ap);
5150 		fc = ISP_FC_PC(isp, bus);
5151 		lp->reserved = 0;
5152 		lp->gone_timer = 0;
5153 		if (isp_change_is_bad) {
5154 			lp->state = FC_PORTDB_STATE_NIL;
5155 			if (lp->dev_map_idx) {
5156 				tgt = lp->dev_map_idx - 1;
5157 				FCPARAM(isp, bus)->isp_dev_map[tgt] = 0;
5158 				lp->dev_map_idx = 0;
5159 				isp_prt(isp, ISP_LOGCONFIG, prom3, bus, lp->portid, tgt, "change is bad");
5160 				isp_make_gone(isp, bus, tgt);
5161 			} else {
5162 				isp_prt(isp, ISP_LOGCONFIG, prom, bus, lp->portid, lp->handle, roles[lp->roles], "changed and departed",
5163 				    (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5164 			}
5165 		} else {
5166 			lp->portid = lp->new_portid;
5167 			lp->roles = lp->new_roles;
5168 			if (lp->dev_map_idx) {
5169 				int t = lp->dev_map_idx - 1;
5170 				FCPARAM(isp, bus)->isp_dev_map[t] = (lp - FCPARAM(isp, bus)->portdb) + 1;
5171 				tgt = lp->dev_map_idx - 1;
5172 				isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, roles[lp->roles], "changed at", tgt,
5173 				    (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5174 			} else {
5175 				isp_prt(isp, ISP_LOGCONFIG, prom, bus, lp->portid, lp->handle, roles[lp->roles], "changed", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5176 			}
5177 		}
5178 		break;
5179 	case ISPASYNC_DEV_STAYED:
5180 		__va_start(ap, cmd);
5181 		bus = __va_arg(ap, int);
5182 		lp = __va_arg(ap, fcportdb_t *);
5183 		__va_end(ap);
5184 		if (lp->dev_map_idx) {
5185 			tgt = lp->dev_map_idx - 1;
5186 			isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, roles[lp->roles], "stayed at", tgt,
5187 			    (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5188 		} else {
5189 			isp_prt(isp, ISP_LOGCONFIG, prom, bus, lp->portid, lp->handle, roles[lp->roles], "stayed",
5190 			    (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5191 		}
5192 		break;
5193 	case ISPASYNC_DEV_GONE:
5194 		__va_start(ap, cmd);
5195 		bus = __va_arg(ap, int);
5196 		lp = __va_arg(ap, fcportdb_t *);
5197 		__va_end(ap);
5198 		fc = ISP_FC_PC(isp, bus);
5199 		/*
5200 		 * If this has a virtual target and we haven't marked it
5201 		 * that we're going to have isp_gdt tell the OS it's gone,
5202 		 * set the isp_gdt timer running on it.
5203 		 *
5204 		 * If it isn't marked that isp_gdt is going to get rid of it,
5205 		 * announce that it's gone.
5206 		 *
5207 		 */
5208 		if (lp->dev_map_idx && lp->reserved == 0) {
5209 			lp->reserved = 1;
5210 			lp->state = FC_PORTDB_STATE_ZOMBIE;
5211 			lp->gone_timer = ISP_FC_PC(isp, bus)->gone_device_time;
5212 			if (fc->ready && !callout_active(&fc->gdt)) {
5213 				isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Chan %d Starting Gone Device Timer with %u seconds time now %lu", bus, lp->gone_timer, (unsigned long)time_second);
5214 				callout_reset(&fc->gdt, hz, isp_gdt, fc);
5215 			}
5216 			tgt = lp->dev_map_idx - 1;
5217 			isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, roles[lp->roles], "gone zombie at", tgt, (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5218 		} else if (lp->reserved == 0) {
5219 			isp_prt(isp, ISP_LOGCONFIG, prom, bus, lp->portid, lp->handle, roles[lp->roles], "departed", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5220 		}
5221 		break;
5222 	case ISPASYNC_CHANGE_NOTIFY:
5223 	{
5224 		char *msg;
5225 		int evt, nphdl, nlstate, reason;
5226 
5227 		__va_start(ap, cmd);
5228 		bus = __va_arg(ap, int);
5229 		evt = __va_arg(ap, int);
5230 		if (IS_24XX(isp) && evt == ISPASYNC_CHANGE_PDB) {
5231 			nphdl = __va_arg(ap, int);
5232 			nlstate = __va_arg(ap, int);
5233 			reason = __va_arg(ap, int);
5234 		} else {
5235 			nphdl = NIL_HANDLE;
5236 			nlstate = reason = 0;
5237 		}
5238 		__va_end(ap);
5239 		fc = ISP_FC_PC(isp, bus);
5240 
5241 		if (evt == ISPASYNC_CHANGE_PDB) {
5242 			msg = "Chan %d Port Database Changed";
5243 		} else if (evt == ISPASYNC_CHANGE_SNS) {
5244 			msg = "Chan %d Name Server Database Changed";
5245 		} else {
5246 			msg = "Chan %d Other Change Notify";
5247 		}
5248 
5249 		/*
5250 		 * If the loop down timer is running, cancel it.
5251 		 */
5252 		if (fc->ready && callout_active(&fc->ldt)) {
5253 			isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Stopping Loop Down Timer @ %lu", (unsigned long) time_second);
5254 			callout_stop(&fc->ldt);
5255 		}
5256 		isp_prt(isp, ISP_LOGINFO, msg, bus);
5257 		if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) {
5258 			isp_freeze_loopdown(isp, bus, msg);
5259 		}
5260 		wakeup(fc);
5261 		break;
5262 	}
5263 #ifdef	ISP_TARGET_MODE
5264 	case ISPASYNC_TARGET_NOTIFY:
5265 	{
5266 		isp_notify_t *notify;
5267 		__va_start(ap, cmd);
5268 		notify = __va_arg(ap, isp_notify_t *);
5269 		__va_end(ap);
5270 		switch (notify->nt_ncode) {
5271 		case NT_ABORT_TASK:
5272 		case NT_ABORT_TASK_SET:
5273 		case NT_CLEAR_ACA:
5274 		case NT_CLEAR_TASK_SET:
5275 		case NT_LUN_RESET:
5276 		case NT_TARGET_RESET:
5277 			/*
5278 			 * These are task management functions.
5279 			 */
5280 			isp_handle_platform_target_tmf(isp, notify);
5281 			break;
5282 		case NT_BUS_RESET:
5283 		case NT_LIP_RESET:
5284 		case NT_LINK_UP:
5285 		case NT_LINK_DOWN:
5286 			/*
5287 			 * No action need be taken here.
5288 			 */
5289 			break;
5290 		case NT_HBA_RESET:
5291 			isp_del_all_wwn_entries(isp, ISP_NOCHAN);
5292 			break;
5293 		case NT_LOGOUT:
5294 			/*
5295 			 * This is device arrival/departure notification
5296 			 */
5297 			isp_handle_platform_target_notify_ack(isp, notify);
5298 			break;
5299 		case NT_ARRIVED:
5300 		{
5301 			struct ac_contract ac;
5302 			struct ac_device_changed *fc;
5303 
5304 			ac.contract_number = AC_CONTRACT_DEV_CHG;
5305 			fc = (struct ac_device_changed *) ac.contract_data;
5306 			fc->wwpn = notify->nt_wwn;
5307 			fc->port = notify->nt_sid;
5308 			fc->target = notify->nt_nphdl;
5309 			fc->arrived = 1;
5310 			xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac);
5311 			break;
5312 		}
5313 		case NT_DEPARTED:
5314 		{
5315 			struct ac_contract ac;
5316 			struct ac_device_changed *fc;
5317 
5318 			ac.contract_number = AC_CONTRACT_DEV_CHG;
5319 			fc = (struct ac_device_changed *) ac.contract_data;
5320 			fc->wwpn = notify->nt_wwn;
5321 			fc->port = notify->nt_sid;
5322 			fc->target = notify->nt_nphdl;
5323 			fc->arrived = 0;
5324 			xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac);
5325 			break;
5326 		}
5327 		default:
5328 			isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode);
5329 			isp_handle_platform_target_notify_ack(isp, notify);
5330 			break;
5331 		}
5332 		break;
5333 	}
5334 	case ISPASYNC_TARGET_ACTION:
5335 	{
5336 		isphdr_t *hp;
5337 
5338 		__va_start(ap, cmd);
5339 		hp = __va_arg(ap, isphdr_t *);
5340 		__va_end(ap);
5341 		switch (hp->rqs_entry_type) {
5342 		default:
5343 			isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type);
5344 			break;
5345 		case RQSTYPE_NOTIFY:
5346 			if (IS_SCSI(isp)) {
5347 				isp_handle_platform_notify_scsi(isp, (in_entry_t *) hp);
5348 			} else if (IS_24XX(isp)) {
5349 				isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp);
5350 			} else {
5351 				isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp);
5352 			}
5353 			break;
5354 		case RQSTYPE_ATIO:
5355 			if (IS_24XX(isp)) {
5356 				isp_handle_platform_atio7(isp, (at7_entry_t *) hp);
5357 			} else {
5358 				isp_handle_platform_atio(isp, (at_entry_t *) hp);
5359 			}
5360 			break;
5361 		case RQSTYPE_ATIO2:
5362 			isp_handle_platform_atio2(isp, (at2_entry_t *) hp);
5363 			break;
5364 		case RQSTYPE_CTIO7:
5365 		case RQSTYPE_CTIO3:
5366 		case RQSTYPE_CTIO2:
5367 		case RQSTYPE_CTIO:
5368 			isp_handle_platform_ctio(isp, hp);
5369 			break;
5370 		case RQSTYPE_ABTS_RCVD:
5371 		{
5372 			abts_t *abts = (abts_t *)hp;
5373 			isp_notify_t notify, *nt = &notify;
5374 			tstate_t *tptr;
5375 			fcportdb_t *lp;
5376 			uint16_t chan;
5377 			uint32_t sid, did;
5378 
5379 			did = (abts->abts_did_hi << 16) | abts->abts_did_lo;
5380 			sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo;
5381 			ISP_MEMZERO(nt, sizeof (isp_notify_t));
5382 
5383 			nt->nt_hba = isp;
5384 			nt->nt_did = did;
5385 			nt->nt_nphdl = abts->abts_nphdl;
5386 			nt->nt_sid = sid;
5387 			isp_find_chan_by_did(isp, did, &chan);
5388 			if (chan == ISP_NOCHAN) {
5389 				nt->nt_tgt = TGT_ANY;
5390 			} else {
5391 				nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn;
5392 				if (isp_find_pdb_by_loopid(isp, chan, abts->abts_nphdl, &lp)) {
5393 					nt->nt_wwn = lp->port_wwn;
5394 				} else {
5395 					nt->nt_wwn = INI_ANY;
5396 				}
5397 			}
5398 			/*
5399 			 * Try hard to find the lun for this command.
5400 			 */
5401 			tptr = get_lun_statep_from_tag(isp, chan, abts->abts_rxid_task);
5402 			if (tptr) {
5403 				nt->nt_lun = xpt_path_lun_id(tptr->owner);
5404 				rls_lun_statep(isp, tptr);
5405 			} else {
5406 				nt->nt_lun = LUN_ANY;
5407 			}
5408 			nt->nt_need_ack = 1;
5409 			nt->nt_tagval = abts->abts_rxid_task;
5410 			nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32);
5411 			if (abts->abts_rxid_task == ISP24XX_NO_TASK) {
5412 				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)",
5413 				    abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id);
5414 			} else {
5415 				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)",
5416 				    abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id);
5417 			}
5418 			nt->nt_channel = chan;
5419 			nt->nt_ncode = NT_ABORT_TASK;
5420 			nt->nt_lreserved = hp;
5421 			isp_handle_platform_target_tmf(isp, nt);
5422 			break;
5423 		}
5424 		case RQSTYPE_ENABLE_LUN:
5425 		case RQSTYPE_MODIFY_LUN:
5426 			isp_ledone(isp, (lun_entry_t *) hp);
5427 			break;
5428 		}
5429 		break;
5430 	}
5431 #endif
5432 	case ISPASYNC_FW_CRASH:
5433 	{
5434 		uint16_t mbox1, mbox6;
5435 		mbox1 = ISP_READ(isp, OUTMAILBOX1);
5436 		if (IS_DUALBUS(isp)) {
5437 			mbox6 = ISP_READ(isp, OUTMAILBOX6);
5438 		} else {
5439 			mbox6 = 0;
5440 		}
5441 		isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1);
5442 		mbox1 = isp->isp_osinfo.mbox_sleep_ok;
5443 		isp->isp_osinfo.mbox_sleep_ok = 0;
5444 		isp_reinit(isp, 1);
5445 		isp->isp_osinfo.mbox_sleep_ok = mbox1;
5446 		isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
5447 		break;
5448 	}
5449 	default:
5450 		isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
5451 		break;
5452 	}
5453 }
5454 
5455 
5456 /*
5457  * Locks are held before coming here.
5458  */
5459 void
5460 isp_uninit(ispsoftc_t *isp)
5461 {
5462 	if (IS_24XX(isp)) {
5463 		ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET);
5464 	} else {
5465 		ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
5466 	}
5467 	ISP_DISABLE_INTS(isp);
5468 }
5469 
5470 /*
5471  * When we want to get the 'default' WWNs (when lacking NVRAM), we pick them
5472  * up from our platform default (defww{p|n}n) and morph them based upon
5473  * channel.
5474  *
5475  * When we want to get the 'active' WWNs, we get NVRAM WWNs and then morph them
5476  * based upon channel.
5477  */
5478 
5479 uint64_t
5480 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn)
5481 {
5482 	uint64_t seed;
5483 	struct isp_fc *fc = ISP_FC_PC(isp, chan);
5484 
5485 	/*
5486 	 * If we're asking for a active WWN, the default overrides get
5487 	 * returned, otherwise the NVRAM value is picked.
5488 	 *
5489 	 * If we're asking for a default WWN, we just pick the default override.
5490 	 */
5491 	if (isactive) {
5492 		seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
5493 		if (seed) {
5494 			return (seed);
5495 		}
5496 		seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : FCPARAM(isp, chan)->isp_wwpn_nvram;
5497 		if (seed) {
5498 			return (seed);
5499 		}
5500 		return (0x400000007F000009ull);
5501 	} else {
5502 		seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
5503 	}
5504 
5505 
5506 	/*
5507 	 * For channel zero just return what we have. For either ACTIVE or
5508 	 * DEFAULT cases, we depend on default override of NVRAM values for
5509 	 * channel zero.
5510 	 */
5511 	if (chan == 0) {
5512 		return (seed);
5513 	}
5514 
5515 	/*
5516 	 * For other channels, we are doing one of three things:
5517 	 *
5518 	 * 1. If what we have now is non-zero, return it. Otherwise we morph
5519 	 * values from channel 0. 2. If we're here for a WWPN we synthesize
5520 	 * it if Channel 0's wwpn has a type 2 NAA. 3. If we're here for a
5521 	 * WWNN we synthesize it if Channel 0's wwnn has a type 2 NAA.
5522 	 */
5523 
5524 	if (seed) {
5525 		return (seed);
5526 	}
5527 	if (isactive) {
5528 		seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : FCPARAM(isp, 0)->isp_wwpn_nvram;
5529 	} else {
5530 		seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : ISP_FC_PC(isp, 0)->def_wwpn;
5531 	}
5532 
5533 	if (((seed >> 60) & 0xf) == 2) {
5534 		/*
5535 		 * The type 2 NAA fields for QLogic cards appear be laid out
5536 		 * thusly:
5537 		 *
5538 		 * bits 63..60 NAA == 2 bits 59..57 unused/zero bit 56
5539 		 * port (1) or node (0) WWN distinguishor bit 48
5540 		 * physical port on dual-port chips (23XX/24XX)
5541 		 *
5542 		 * This is somewhat nutty, particularly since bit 48 is
5543 		 * irrelevant as they assign separate serial numbers to
5544 		 * different physical ports anyway.
5545 		 *
5546 		 * We'll stick our channel number plus one first into bits
5547 		 * 57..59 and thence into bits 52..55 which allows for 8 bits
5548 		 * of channel which is comfortably more than our maximum
5549 		 * (126) now.
5550 		 */
5551 		seed &= ~0x0FF0000000000000ULL;
5552 		if (iswwnn == 0) {
5553 			seed |= ((uint64_t) (chan + 1) & 0xf) << 56;
5554 			seed |= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52;
5555 		}
5556 	} else {
5557 		seed = 0;
5558 	}
5559 	return (seed);
5560 }
5561 
5562 void
5563 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
5564 {
5565 	int loc;
5566 	char lbuf[128];
5567 	__va_list ap;
5568 
5569 	if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
5570 		return;
5571 	}
5572 	ksprintf(lbuf, "%s: ", device_get_nameunit(isp->isp_dev));
5573 	loc = strlen(lbuf);
5574 	__va_start(ap, fmt);
5575 	kvsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap);
5576 	__va_end(ap);
5577 	kprintf("%s\n", lbuf);
5578 }
5579 
5580 void
5581 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...)
5582 {
5583 	__va_list ap;
5584 	if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
5585 		return;
5586 	}
5587 	xpt_print_path(xs->ccb_h.path);
5588 	__va_start(ap, fmt);
5589 	kvprintf(fmt, ap);
5590 	__va_end(ap);
5591 	kprintf("\n");
5592 }
5593 
5594 uint64_t
5595 isp_nanotime_sub(struct timespec *b, struct timespec *a)
5596 {
5597 	uint64_t elapsed;
5598 	struct timespec x;
5599 
5600 	timespecsub(b, a, &x);
5601 	elapsed = GET_NANOSEC(&x);
5602 	if (elapsed == 0)
5603 		elapsed++;
5604 	return (elapsed);
5605 }
5606 
5607 int
5608 isp_mbox_acquire(ispsoftc_t *isp)
5609 {
5610 	if (isp->isp_osinfo.mboxbsy) {
5611 		return (1);
5612 	} else {
5613 		isp->isp_osinfo.mboxcmd_done = 0;
5614 		isp->isp_osinfo.mboxbsy = 1;
5615 		return (0);
5616 	}
5617 }
5618 
5619 void
5620 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp)
5621 {
5622 	unsigned int usecs = mbp->timeout;
5623 	unsigned int max, olim, ilim;
5624 
5625 	if (usecs == 0) {
5626 		usecs = MBCMD_DEFAULT_TIMEOUT;
5627 	}
5628 	max = isp->isp_mbxwrk0 + 1;
5629 
5630 	if (isp->isp_osinfo.mbox_sleep_ok) {
5631 		unsigned int ms = (usecs + 999) / 1000;
5632 
5633 		isp->isp_osinfo.mbox_sleep_ok = 0;
5634 		isp->isp_osinfo.mbox_sleeping = 1;
5635 		for (olim = 0; olim < max; olim++) {
5636 			lksleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, 0, "ispmbx_sleep", isp_mstohz(ms));
5637 			if (isp->isp_osinfo.mboxcmd_done) {
5638 				break;
5639 			}
5640 		}
5641 		isp->isp_osinfo.mbox_sleep_ok = 1;
5642 		isp->isp_osinfo.mbox_sleeping = 0;
5643 	} else {
5644 		for (olim = 0; olim < max; olim++) {
5645 			for (ilim = 0; ilim < usecs; ilim += 100) {
5646 				uint32_t isr;
5647 				uint16_t sema, mbox;
5648 				if (isp->isp_osinfo.mboxcmd_done) {
5649 					break;
5650 				}
5651 				if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
5652 					isp_intr(isp, isr, sema, mbox);
5653 					if (isp->isp_osinfo.mboxcmd_done) {
5654 						break;
5655 					}
5656 				}
5657 				ISP_DELAY(100);
5658 			}
5659 			if (isp->isp_osinfo.mboxcmd_done) {
5660 				break;
5661 			}
5662 		}
5663 	}
5664 	if (isp->isp_osinfo.mboxcmd_done == 0) {
5665 		isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)",
5666 		    isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno);
5667 		mbp->param[0] = MBOX_TIMEOUT;
5668 		isp->isp_osinfo.mboxcmd_done = 1;
5669 	}
5670 }
5671 
5672 void
5673 isp_mbox_notify_done(ispsoftc_t *isp)
5674 {
5675 	if (isp->isp_osinfo.mbox_sleeping) {
5676 		wakeup(&isp->isp_mbxworkp);
5677 	}
5678 	isp->isp_osinfo.mboxcmd_done = 1;
5679 }
5680 
5681 void
5682 isp_mbox_release(ispsoftc_t *isp)
5683 {
5684 	isp->isp_osinfo.mboxbsy = 0;
5685 }
5686 
5687 int
5688 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan)
5689 {
5690 	int ret = 0;
5691 	if (isp->isp_osinfo.pc.fc[chan].fcbsy) {
5692 		ret = -1;
5693 	} else {
5694 		isp->isp_osinfo.pc.fc[chan].fcbsy = 1;
5695 	}
5696 	return (ret);
5697 }
5698 
5699 int
5700 isp_mstohz(int ms)
5701 {
5702 	int hz;
5703 	struct timeval t;
5704 	t.tv_sec = ms / 1000;
5705 	t.tv_usec = (ms % 1000) * 1000;
5706 	hz = tvtohz_high(&t);
5707 	if (hz < 0) {
5708 		hz = 0x7fffffff;
5709 	}
5710 	if (hz == 0) {
5711 		hz = 1;
5712 	}
5713 	return (hz);
5714 }
5715 
5716 void
5717 isp_platform_intr(void *arg)
5718 {
5719 	ispsoftc_t *isp = arg;
5720 	uint32_t isr;
5721 	uint16_t sema, mbox;
5722 
5723 	ISP_LOCK(isp);
5724 	isp->isp_intcnt++;
5725 	if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) {
5726 		isp->isp_intbogus++;
5727 	} else {
5728 		isp_intr(isp, isr, sema, mbox);
5729 	}
5730 	ISP_UNLOCK(isp);
5731 }
5732 
5733 void
5734 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl)
5735 {
5736 	if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
5737 		bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD);
5738 	} else {
5739 		bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE);
5740 	}
5741 	bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
5742 }
5743 
5744 static void
5745 isp_timer(void *arg)
5746 {
5747 	ispsoftc_t *isp = arg;
5748 
5749 	ISP_LOCK(isp);
5750 #ifdef	ISP_TARGET_MODE
5751 	isp_tmcmd_restart(isp);
5752 #endif
5753 	ISP_UNLOCK(isp);
5754 	callout_reset(&isp->isp_osinfo.tmo, hz, isp_timer, isp);
5755 }
5756