xref: /dragonfly/sys/dev/disk/isp/isp_freebsd.c (revision 678e8cc6)
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 <sys/devicestat.h>
39 #include <bus/cam/cam_periph.h>
40 #include <bus/cam/cam_xpt_periph.h>
41 #include <sys/device.h>
42 
43 #define	THREAD_CREATE	kthread_create
44 
45 MODULE_VERSION(isp, 1);
46 MODULE_DEPEND(isp, cam, 1, 1, 1);
47 int isp_announced = 0;
48 int isp_fabric_hysteresis = 5;
49 int isp_loop_down_limit = 60;	/* default loop down limit */
50 int isp_change_is_bad = 0;	/* "changed" devices are bad */
51 int isp_quickboot_time = 7;	/* don't wait more than N secs for loop up */
52 int isp_gone_device_time = 30;	/* grace time before reporting device lost */
53 int isp_autoconfig = 1;		/* automatically attach/detach devices */
54 static const char *roles[4] = {
55     "(none)", "Target", "Initiator", "Target/Initiator"
56 };
57 static const char prom3[] = "Chan %d PortID 0x%06x Departed from Target %u because of %s";
58 static const char rqo[] = "%s: Request Queue Overflow\n";
59 
60 static void isp_freeze_loopdown(ispsoftc_t *, int, char *);
61 static d_ioctl_t ispioctl;
62 static void isp_intr_enable(void *);
63 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *);
64 static void isp_poll(struct cam_sim *);
65 static timeout_t isp_watchdog;
66 static timeout_t isp_gdt;
67 static task_fn_t isp_gdt_task;
68 static timeout_t isp_ldt;
69 static task_fn_t isp_ldt_task;
70 static void isp_kthread(void *);
71 static void isp_action(struct cam_sim *, union ccb *);
72 #ifdef	ISP_INTERNAL_TARGET
73 static void isp_target_thread_pi(void *);
74 static void isp_target_thread_fc(void *);
75 #endif
76 static void isp_timer(void *);
77 
78 static struct dev_ops isp_ops = {
79 	{ "isp", 0, D_DISK },
80 	.d_ioctl =	ispioctl,
81 };
82 
83 static int
84 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
85 {
86 	struct ccb_setasync csa;
87 	struct cam_sim *sim;
88 	struct cam_path *path;
89 
90 	/*
91 	 * Construct our SIM entry.
92 	 */
93 	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);
94 	cam_simq_release(devq);
95 
96 	if (sim == NULL) {
97 		return (ENOMEM);
98 	}
99 
100 	ISP_LOCK(isp);
101 	if (xpt_bus_register(sim, chan) != CAM_SUCCESS) {
102 		ISP_UNLOCK(isp);
103 		cam_sim_free(sim);
104 		return (EIO);
105 	}
106 	ISP_UNLOCK(isp);
107 	if (xpt_create_path_unlocked(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
108 		ISP_LOCK(isp);
109 		xpt_bus_deregister(cam_sim_path(sim));
110 		ISP_UNLOCK(isp);
111 		cam_sim_free(sim);
112 		return (ENXIO);
113 	}
114 	xpt_setup_ccb(&csa.ccb_h, path, 5);
115 	csa.ccb_h.func_code = XPT_SASYNC_CB;
116 	csa.event_enable = AC_LOST_DEVICE;
117 	csa.callback = isp_cam_async;
118 	csa.callback_arg = sim;
119 	xpt_action((union ccb *)&csa);
120 
121 	if (IS_SCSI(isp)) {
122 		struct isp_spi *spi = ISP_SPI_PC(isp, chan);
123 		spi->sim = sim;
124 		spi->path = path;
125 #ifdef	ISP_INTERNAL_TARGET
126 		ISP_SET_PC(isp, chan, proc_active, 1);
127 		if (THREAD_CREATE(isp_target_thread_pi, spi, &spi->target_proc, "%s: isp_test_tgt%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
128 			ISP_SET_PC(isp, chan, proc_active, 0);
129 			isp_prt(isp, ISP_LOGERR, "cannot create test target thread");
130 		}
131 #endif
132 	} else {
133 		fcparam *fcp = FCPARAM(isp, chan);
134 		struct isp_fc *fc = ISP_FC_PC(isp, chan);
135 
136 		ISP_LOCK(isp);
137 		fc->sim = sim;
138 		fc->path = path;
139 		fc->isp = isp;
140 		fc->ready = 1;
141 
142 		callout_init(&fc->ldt);
143 		callout_init(&fc->gdt);
144 		TASK_INIT(&fc->ltask, 1, isp_ldt_task, fc);
145 		TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc);
146 
147 		/*
148 		 * We start by being "loop down" if we have an initiator role
149 		 */
150 		if (fcp->role & ISP_ROLE_INITIATOR) {
151 			isp_freeze_loopdown(isp, chan, "isp_attach");
152 			callout_reset(&fc->ldt, isp_quickboot_time * hz, isp_ldt, fc);
153 			isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Starting Initial Loop Down Timer @ %lu", (unsigned long) time_second);
154 		}
155 		ISP_UNLOCK(isp);
156 		if (THREAD_CREATE(isp_kthread, fc, &fc->kthread, "%s: fc_thrd%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
157 			xpt_free_path(fc->path);
158 			ISP_LOCK(isp);
159 			if (callout_active(&fc->ldt)) {
160 				callout_stop(&fc->ldt);
161 			}
162 			xpt_bus_deregister(cam_sim_path(fc->sim));
163 			ISP_UNLOCK(isp);
164 			cam_sim_free(fc->sim);
165 			return (ENOMEM);
166 		}
167 #ifdef	ISP_INTERNAL_TARGET
168 		ISP_SET_PC(isp, chan, proc_active, 1);
169 		if (THREAD_CREATE(isp_target_thread_fc, fc, &fc->target_proc, "%s: isp_test_tgt%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
170 			ISP_SET_PC(isp, chan, proc_active, 0);
171 			isp_prt(isp, ISP_LOGERR, "cannot create test target thread");
172 		}
173 #endif
174 		if (chan == 0) {
175 			SYSCTL_ADD_QUAD(&isp->isp_sysctl_ctx, SYSCTL_CHILDREN(isp->isp_sysctl_tree), OID_AUTO, "wwnn", CTLFLAG_RD, &FCPARAM(isp, 0)->isp_wwnn, 0, "World Wide Node Name");
176 			SYSCTL_ADD_QUAD(&isp->isp_sysctl_ctx, SYSCTL_CHILDREN(isp->isp_sysctl_tree), OID_AUTO, "wwpn", CTLFLAG_RD, &FCPARAM(isp, 0)->isp_wwpn, 0, "World Wide Port Name");
177 			SYSCTL_ADD_UINT(&isp->isp_sysctl_ctx, SYSCTL_CHILDREN(isp->isp_sysctl_tree), OID_AUTO, "loop_down_limit", CTLFLAG_RW, &ISP_FC_PC(isp, 0)->loop_down_limit, 0, "Loop Down Limit");
178 			SYSCTL_ADD_UINT(&isp->isp_sysctl_ctx, SYSCTL_CHILDREN(isp->isp_sysctl_tree), OID_AUTO, "gone_device_time", CTLFLAG_RW, &ISP_FC_PC(isp, 0)->gone_device_time, 0, "Gone Device Time");
179 		}
180 	}
181 	return (0);
182 }
183 
184 int
185 isp_attach(ispsoftc_t *isp)
186 {
187 	const char *nu = device_get_nameunit(isp->isp_osinfo.dev);
188 	int du = device_get_unit(isp->isp_dev);
189 	int chan;
190 
191 	isp->isp_osinfo.ehook.ich_func = isp_intr_enable;
192 	isp->isp_osinfo.ehook.ich_arg = isp;
193 	/*
194 	 * Haha. Set this first, because if we're loaded as a module isp_intr_enable
195 	 * will be called right awawy, which will clear isp_osinfo.ehook_active,
196 	 * which would be unwise to then set again later.
197 	 */
198 	isp->isp_osinfo.ehook_active = 1;
199 	if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) {
200 		isp_prt(isp, ISP_LOGERR, "could not establish interrupt enable hook");
201 		return (-EIO);
202 	}
203 
204 	/*
205 	 * Create the device queue for our SIM(s).
206 	 */
207 	isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds);
208 	if (isp->isp_osinfo.devq == NULL) {
209 		config_intrhook_disestablish(&isp->isp_osinfo.ehook);
210 		return (EIO);
211 	}
212 
213 	sysctl_ctx_init(&isp->isp_sysctl_ctx);
214 	isp->isp_sysctl_tree = SYSCTL_ADD_NODE(&isp->isp_sysctl_ctx,
215 	    SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO,
216 	    device_get_nameunit(isp->isp_dev), CTLFLAG_RD, 0, "");
217 	if (isp->isp_sysctl_tree == NULL) {
218 		device_printf(isp->isp_dev, "can't add sysctl node\n");
219 		return (EINVAL);
220 	}
221 	for (chan = 0; chan < isp->isp_nchan; chan++) {
222 		if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) {
223 			goto unwind;
224 		}
225 	}
226 
227 	callout_init(&isp->isp_osinfo.tmo);
228 	callout_reset(&isp->isp_osinfo.tmo, hz, isp_timer, isp);
229 	isp->isp_osinfo.timer_active = 1;
230 
231 	isp->isp_osinfo.cdev = make_dev(&isp_ops, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu);
232 	if (isp->isp_osinfo.cdev) {
233 		isp->isp_osinfo.cdev->si_drv1 = isp;
234 	}
235 	return (0);
236 
237 unwind:
238 	while (--chan >= 0) {
239 		struct cam_sim *sim;
240 		struct cam_path *path;
241 		if (IS_FC(isp)) {
242 			sim = ISP_FC_PC(isp, chan)->sim;
243 			path = ISP_FC_PC(isp, chan)->path;
244 		} else {
245 			sim = ISP_SPI_PC(isp, chan)->sim;
246 			path = ISP_SPI_PC(isp, chan)->path;
247 		}
248 		xpt_free_path(path);
249 		ISP_LOCK(isp);
250 		xpt_bus_deregister(cam_sim_path(sim));
251 		ISP_UNLOCK(isp);
252 		cam_sim_free(sim);
253 	}
254 	if (isp->isp_osinfo.ehook_active) {
255 		config_intrhook_disestablish(&isp->isp_osinfo.ehook);
256 		isp->isp_osinfo.ehook_active = 0;
257 	}
258 	if (isp->isp_osinfo.cdev) {
259 		destroy_dev(isp->isp_osinfo.cdev);
260 		isp->isp_osinfo.cdev = NULL;
261 	}
262 	isp->isp_osinfo.devq = NULL;
263 	return (-1);
264 }
265 
266 int
267 isp_detach(ispsoftc_t *isp)
268 {
269 	struct cam_sim *sim;
270 	struct cam_path *path;
271 	struct ccb_setasync csa;
272 	int chan;
273 
274 	ISP_LOCK(isp);
275 	for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
276 		if (IS_FC(isp)) {
277 			sim = ISP_FC_PC(isp, chan)->sim;
278 			path = ISP_FC_PC(isp, chan)->path;
279 		} else {
280 			sim = ISP_SPI_PC(isp, chan)->sim;
281 			path = ISP_SPI_PC(isp, chan)->path;
282 		}
283 		if (sim->refcount > 2) {
284 			ISP_UNLOCK(isp);
285 			return (EBUSY);
286 		}
287 	}
288 	if (isp->isp_osinfo.timer_active) {
289 		callout_stop(&isp->isp_osinfo.tmo);
290 		isp->isp_osinfo.timer_active = 0;
291 	}
292 	for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
293 		if (IS_FC(isp)) {
294 			sim = ISP_FC_PC(isp, chan)->sim;
295 			path = ISP_FC_PC(isp, chan)->path;
296 		} else {
297 			sim = ISP_SPI_PC(isp, chan)->sim;
298 			path = ISP_SPI_PC(isp, chan)->path;
299 		}
300 		xpt_setup_ccb(&csa.ccb_h, path, 5);
301 		csa.ccb_h.func_code = XPT_SASYNC_CB;
302 		csa.event_enable = 0;
303 		csa.callback = isp_cam_async;
304 		csa.callback_arg = sim;
305 		xpt_action((union ccb *)&csa);
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 	if (isp->isp_sysctl_tree != NULL)
323 		sysctl_ctx_free(&isp->isp_sysctl_ctx);
324 	return (0);
325 }
326 
327 static void
328 isp_freeze_loopdown(ispsoftc_t *isp, int chan, char *msg)
329 {
330 	if (IS_FC(isp)) {
331 		struct isp_fc *fc = ISP_FC_PC(isp, chan);
332 		if (fc->simqfrozen == 0) {
333 			isp_prt(isp, ISP_LOGDEBUG0, "%s: freeze simq (loopdown) chan %d", msg, chan);
334 			fc->simqfrozen = SIMQFRZ_LOOPDOWN;
335 			xpt_freeze_simq(fc->sim, 1);
336 		} else {
337 			isp_prt(isp, ISP_LOGDEBUG0, "%s: mark frozen (loopdown) chan %d", msg, chan);
338 			fc->simqfrozen |= SIMQFRZ_LOOPDOWN;
339 		}
340 	}
341 }
342 
343 static void
344 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan)
345 {
346 	if (IS_FC(isp)) {
347 		struct isp_fc *fc = ISP_FC_PC(isp, chan);
348 		int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN;
349 		fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN;
350 		if (wasfrozen && fc->simqfrozen == 0) {
351 			isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d releasing simq", __func__, chan);
352 			xpt_release_simq(fc->sim, 1);
353 		}
354 	}
355 }
356 
357 
358 static int
359 ispioctl(struct dev_ioctl_args *ap)
360 {
361 	cdev_t dev = ap->a_head.a_dev;
362 	caddr_t addr = ap->a_data;
363 	u_long c = ap->a_cmd;
364 	ispsoftc_t *isp;
365 	int nr, chan, retval = ENOTTY;
366 
367 	isp = dev->si_drv1;
368 
369 	switch (c) {
370 	case ISP_SDBLEV:
371 	{
372 		int olddblev = isp->isp_dblev;
373 		isp->isp_dblev = *(int *)addr;
374 		*(int *)addr = olddblev;
375 		retval = 0;
376 		break;
377 	}
378 	case ISP_GETROLE:
379 		chan = *(int *)addr;
380 		if (chan < 0 || chan >= isp->isp_nchan) {
381 			retval = -ENXIO;
382 			break;
383 		}
384 		if (IS_FC(isp)) {
385 			*(int *)addr = FCPARAM(isp, chan)->role;
386 		} else {
387 			*(int *)addr = SDPARAM(isp, chan)->role;
388 		}
389 		retval = 0;
390 		break;
391 	case ISP_SETROLE:
392 		nr = *(int *)addr;
393 		chan = nr >> 8;
394 		if (chan < 0 || chan >= isp->isp_nchan) {
395 			retval = -ENXIO;
396 			break;
397 		}
398 		nr &= 0xff;
399 		if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
400 			retval = EINVAL;
401 			break;
402 		}
403 		if (IS_FC(isp)) {
404 			/*
405 			 * We don't really support dual role at present on FC cards.
406 			 *
407 			 * We should, but a bunch of things are currently broken,
408 			 * so don't allow it.
409 			 */
410 			if (nr == ISP_ROLE_BOTH) {
411 				isp_prt(isp, ISP_LOGERR, "cannot support dual role at present");
412 				retval = EINVAL;
413 				break;
414 			}
415 			*(int *)addr = FCPARAM(isp, chan)->role;
416 #ifdef	ISP_INTERNAL_TARGET
417 			ISP_LOCK(isp);
418 			retval = isp_fc_change_role(isp, chan, nr);
419 			ISP_UNLOCK(isp);
420 #else
421 			FCPARAM(isp, chan)->role = nr;
422 #endif
423 		} else {
424 			*(int *)addr = SDPARAM(isp, chan)->role;
425 			SDPARAM(isp, chan)->role = nr;
426 		}
427 		retval = 0;
428 		break;
429 
430 	case ISP_RESETHBA:
431 		ISP_LOCK(isp);
432 #ifdef	ISP_TARGET_MODE
433 		isp_del_all_wwn_entries(isp, ISP_NOCHAN);
434 #endif
435 		isp_reinit(isp, 0);
436 		ISP_UNLOCK(isp);
437 		retval = 0;
438 		break;
439 
440 	case ISP_RESCAN:
441 		if (IS_FC(isp)) {
442 			chan = *(int *)addr;
443 			if (chan < 0 || chan >= isp->isp_nchan) {
444 				retval = -ENXIO;
445 				break;
446 			}
447 			ISP_LOCK(isp);
448 			if (isp_fc_runstate(isp, chan, 5 * 1000000)) {
449 				retval = EIO;
450 			} else {
451 				retval = 0;
452 			}
453 			ISP_UNLOCK(isp);
454 		}
455 		break;
456 
457 	case ISP_FC_LIP:
458 		if (IS_FC(isp)) {
459 			chan = *(int *)addr;
460 			if (chan < 0 || chan >= isp->isp_nchan) {
461 				retval = -ENXIO;
462 				break;
463 			}
464 			ISP_LOCK(isp);
465 			if (isp_control(isp, ISPCTL_SEND_LIP, chan)) {
466 				retval = EIO;
467 			} else {
468 				retval = 0;
469 			}
470 			ISP_UNLOCK(isp);
471 		}
472 		break;
473 	case ISP_FC_GETDINFO:
474 	{
475 		struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
476 		fcportdb_t *lp;
477 
478 		if (IS_SCSI(isp)) {
479 			break;
480 		}
481 		if (ifc->loopid >= MAX_FC_TARG) {
482 			retval = EINVAL;
483 			break;
484 		}
485 		lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid];
486 		if (lp->state == FC_PORTDB_STATE_VALID || lp->target_mode) {
487 			ifc->role = lp->roles;
488 			ifc->loopid = lp->handle;
489 			ifc->portid = lp->portid;
490 			ifc->node_wwn = lp->node_wwn;
491 			ifc->port_wwn = lp->port_wwn;
492 			retval = 0;
493 		} else {
494 			retval = ENODEV;
495 		}
496 		break;
497 	}
498 	case ISP_GET_STATS:
499 	{
500 		isp_stats_t *sp = (isp_stats_t *) addr;
501 
502 		ISP_MEMZERO(sp, sizeof (*sp));
503 		sp->isp_stat_version = ISP_STATS_VERSION;
504 		sp->isp_type = isp->isp_type;
505 		sp->isp_revision = isp->isp_revision;
506 		ISP_LOCK(isp);
507 		sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt;
508 		sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus;
509 		sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc;
510 		sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync;
511 		sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt;
512 		sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt;
513 		sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater;
514 		sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater;
515 		ISP_UNLOCK(isp);
516 		retval = 0;
517 		break;
518 	}
519 	case ISP_CLR_STATS:
520 		ISP_LOCK(isp);
521 		isp->isp_intcnt = 0;
522 		isp->isp_intbogus = 0;
523 		isp->isp_intmboxc = 0;
524 		isp->isp_intoasync = 0;
525 		isp->isp_rsltccmplt = 0;
526 		isp->isp_fphccmplt = 0;
527 		isp->isp_rscchiwater = 0;
528 		isp->isp_fpcchiwater = 0;
529 		ISP_UNLOCK(isp);
530 		retval = 0;
531 		break;
532 	case ISP_FC_GETHINFO:
533 	{
534 		struct isp_hba_device *hba = (struct isp_hba_device *) addr;
535 		int chan = hba->fc_channel;
536 
537 		if (chan < 0 || chan >= isp->isp_nchan) {
538 			retval = ENXIO;
539 			break;
540 		}
541 		hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
542 		hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
543 		hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
544 		hba->fc_nchannels = isp->isp_nchan;
545 		if (IS_FC(isp)) {
546 			hba->fc_nports = MAX_FC_TARG;
547 			hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed;
548 			hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1;
549 			hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid;
550 			hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram;
551 			hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram;
552 			hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn;
553 			hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn;
554 		} else {
555 			hba->fc_nports = MAX_TARGETS;
556 			hba->fc_speed = 0;
557 			hba->fc_topology = 0;
558 			hba->nvram_node_wwn = 0ull;
559 			hba->nvram_port_wwn = 0ull;
560 			hba->active_node_wwn = 0ull;
561 			hba->active_port_wwn = 0ull;
562 		}
563 		retval = 0;
564 		break;
565 	}
566 	case ISP_TSK_MGMT:
567 	{
568 		int needmarker;
569 		struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
570 		uint16_t loopid;
571 		mbreg_t mbs;
572 
573 		if (IS_SCSI(isp)) {
574 			break;
575 		}
576 
577 		chan = fct->chan;
578 		if (chan < 0 || chan >= isp->isp_nchan) {
579 			retval = -ENXIO;
580 			break;
581 		}
582 
583 		needmarker = retval = 0;
584 		loopid = fct->loopid;
585 		ISP_LOCK(isp);
586 		if (IS_24XX(isp)) {
587 			uint8_t local[QENTRY_LEN];
588 			isp24xx_tmf_t *tmf;
589 			isp24xx_statusreq_t *sp;
590 			fcparam *fcp = FCPARAM(isp, chan);
591 			fcportdb_t *lp;
592 			int i;
593 
594 			for (i = 0; i < MAX_FC_TARG; i++) {
595 				lp = &fcp->portdb[i];
596 				if (lp->handle == loopid) {
597 					break;
598 				}
599 			}
600 			if (i == MAX_FC_TARG) {
601 				retval = ENXIO;
602 				ISP_UNLOCK(isp);
603 				break;
604 			}
605 			/* XXX VALIDATE LP XXX */
606 			tmf = (isp24xx_tmf_t *) local;
607 			ISP_MEMZERO(tmf, QENTRY_LEN);
608 			tmf->tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT;
609 			tmf->tmf_header.rqs_entry_count = 1;
610 			tmf->tmf_nphdl = lp->handle;
611 			tmf->tmf_delay = 2;
612 			tmf->tmf_timeout = 2;
613 			tmf->tmf_tidlo = lp->portid;
614 			tmf->tmf_tidhi = lp->portid >> 16;
615 			tmf->tmf_vpidx = ISP_GET_VPIDX(isp, chan);
616 			tmf->tmf_lun[1] = fct->lun & 0xff;
617 			if (fct->lun >= 256) {
618 				tmf->tmf_lun[0] = 0x40 | (fct->lun >> 8);
619 			}
620 			switch (fct->action) {
621 			case IPT_CLEAR_ACA:
622 				tmf->tmf_flags = ISP24XX_TMF_CLEAR_ACA;
623 				break;
624 			case IPT_TARGET_RESET:
625 				tmf->tmf_flags = ISP24XX_TMF_TARGET_RESET;
626 				needmarker = 1;
627 				break;
628 			case IPT_LUN_RESET:
629 				tmf->tmf_flags = ISP24XX_TMF_LUN_RESET;
630 				needmarker = 1;
631 				break;
632 			case IPT_CLEAR_TASK_SET:
633 				tmf->tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET;
634 				needmarker = 1;
635 				break;
636 			case IPT_ABORT_TASK_SET:
637 				tmf->tmf_flags = ISP24XX_TMF_ABORT_TASK_SET;
638 				needmarker = 1;
639 				break;
640 			default:
641 				retval = EINVAL;
642 				break;
643 			}
644 			if (retval) {
645 				ISP_UNLOCK(isp);
646 				break;
647 			}
648 			MBSINIT(&mbs, MBOX_EXEC_COMMAND_IOCB_A64, MBLOGALL, 5000000);
649 			mbs.param[1] = QENTRY_LEN;
650 			mbs.param[2] = DMA_WD1(fcp->isp_scdma);
651 			mbs.param[3] = DMA_WD0(fcp->isp_scdma);
652 			mbs.param[6] = DMA_WD3(fcp->isp_scdma);
653 			mbs.param[7] = DMA_WD2(fcp->isp_scdma);
654 
655 			if (FC_SCRATCH_ACQUIRE(isp, chan)) {
656 				ISP_UNLOCK(isp);
657 				retval = ENOMEM;
658 				break;
659 			}
660 			isp_put_24xx_tmf(isp, tmf, fcp->isp_scratch);
661 			MEMORYBARRIER(isp, SYNC_SFORDEV, 0, QENTRY_LEN, chan);
662 			sp = (isp24xx_statusreq_t *) local;
663 			sp->req_completion_status = 1;
664 			retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
665 			MEMORYBARRIER(isp, SYNC_SFORCPU, QENTRY_LEN, QENTRY_LEN, chan);
666 			isp_get_24xx_response(isp, &((isp24xx_statusreq_t *)fcp->isp_scratch)[1], sp);
667 			FC_SCRATCH_RELEASE(isp, chan);
668 			if (retval || sp->req_completion_status != 0) {
669 				FC_SCRATCH_RELEASE(isp, chan);
670 				retval = EIO;
671 			}
672 			if (retval == 0) {
673 				if (needmarker) {
674 					fcp->sendmarker = 1;
675 				}
676 			}
677 		} else {
678 			MBSINIT(&mbs, 0, MBLOGALL, 0);
679 			if (ISP_CAP_2KLOGIN(isp) == 0) {
680 				loopid <<= 8;
681 			}
682 			switch (fct->action) {
683 			case IPT_CLEAR_ACA:
684 				mbs.param[0] = MBOX_CLEAR_ACA;
685 				mbs.param[1] = loopid;
686 				mbs.param[2] = fct->lun;
687 				break;
688 			case IPT_TARGET_RESET:
689 				mbs.param[0] = MBOX_TARGET_RESET;
690 				mbs.param[1] = loopid;
691 				needmarker = 1;
692 				break;
693 			case IPT_LUN_RESET:
694 				mbs.param[0] = MBOX_LUN_RESET;
695 				mbs.param[1] = loopid;
696 				mbs.param[2] = fct->lun;
697 				needmarker = 1;
698 				break;
699 			case IPT_CLEAR_TASK_SET:
700 				mbs.param[0] = MBOX_CLEAR_TASK_SET;
701 				mbs.param[1] = loopid;
702 				mbs.param[2] = fct->lun;
703 				needmarker = 1;
704 				break;
705 			case IPT_ABORT_TASK_SET:
706 				mbs.param[0] = MBOX_ABORT_TASK_SET;
707 				mbs.param[1] = loopid;
708 				mbs.param[2] = fct->lun;
709 				needmarker = 1;
710 				break;
711 			default:
712 				retval = EINVAL;
713 				break;
714 			}
715 			if (retval == 0) {
716 				if (needmarker) {
717 					FCPARAM(isp, chan)->sendmarker = 1;
718 				}
719 				retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
720 				if (retval) {
721 					retval = EIO;
722 				}
723 			}
724 		}
725 		ISP_UNLOCK(isp);
726 		break;
727 	}
728 	default:
729 		break;
730 	}
731 	return (retval);
732 }
733 
734 static void
735 isp_intr_enable(void *arg)
736 {
737 	int chan;
738 	ispsoftc_t *isp = arg;
739 	ISP_LOCK(isp);
740 	for (chan = 0; chan < isp->isp_nchan; chan++) {
741 		if (IS_FC(isp)) {
742 			if (FCPARAM(isp, chan)->role != ISP_ROLE_NONE) {
743 				ISP_ENABLE_INTS(isp);
744 				break;
745 			}
746 		} else {
747 			if (SDPARAM(isp, chan)->role != ISP_ROLE_NONE) {
748 				ISP_ENABLE_INTS(isp);
749 				break;
750 			}
751 		}
752 	}
753 	isp->isp_osinfo.ehook_active = 0;
754 	ISP_UNLOCK(isp);
755 	/* Release our hook so that the boot can continue. */
756 	config_intrhook_disestablish(&isp->isp_osinfo.ehook);
757 }
758 
759 /*
760  * Local Inlines
761  */
762 
763 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *);
764 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *);
765 
766 static ISP_INLINE int
767 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
768 {
769 	ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
770 	if (ISP_PCMD(ccb) == NULL) {
771 		return (-1);
772 	}
773 	isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
774 	return (0);
775 }
776 
777 static ISP_INLINE void
778 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
779 {
780 	((struct isp_pcmd *)ISP_PCMD(ccb))->next = isp->isp_osinfo.pcmd_free;
781 	isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
782 	ISP_PCMD(ccb) = NULL;
783 }
784 /*
785  * Put the target mode functions here, because some are inlines
786  */
787 
788 #ifdef	ISP_TARGET_MODE
789 static ISP_INLINE int is_lun_enabled(ispsoftc_t *, int, lun_id_t);
790 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
791 static ISP_INLINE tstate_t *get_lun_statep_from_tag(ispsoftc_t *, int, uint32_t);
792 static ISP_INLINE void rls_lun_statep(ispsoftc_t *, tstate_t *);
793 static ISP_INLINE inot_private_data_t *get_ntp_from_tagdata(ispsoftc_t *, uint32_t, uint32_t, tstate_t **);
794 static ISP_INLINE atio_private_data_t *isp_get_atpd(ispsoftc_t *, tstate_t *, uint32_t);
795 static ISP_INLINE void isp_put_atpd(ispsoftc_t *, tstate_t *, atio_private_data_t *);
796 static ISP_INLINE inot_private_data_t *isp_get_ntpd(ispsoftc_t *, tstate_t *);
797 static ISP_INLINE inot_private_data_t *isp_find_ntpd(ispsoftc_t *, tstate_t *, uint32_t, uint32_t);
798 static ISP_INLINE void isp_put_ntpd(ispsoftc_t *, tstate_t *, inot_private_data_t *);
799 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **);
800 static void destroy_lun_state(ispsoftc_t *, tstate_t *);
801 static void isp_enable_lun(ispsoftc_t *, union ccb *);
802 static void isp_enable_deferred_luns(ispsoftc_t *, int);
803 static cam_status isp_enable_deferred(ispsoftc_t *, int, lun_id_t);
804 static void isp_disable_lun(ispsoftc_t *, union ccb *);
805 static int isp_enable_target_mode(ispsoftc_t *, int);
806 static void isp_ledone(ispsoftc_t *, lun_entry_t *);
807 static timeout_t isp_refire_putback_atio;
808 static void isp_complete_ctio(union ccb *);
809 static void isp_target_putback_atio(union ccb *);
810 static void isp_target_start_ctio(ispsoftc_t *, union ccb *);
811 static void isp_handle_platform_atio(ispsoftc_t *, at_entry_t *);
812 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
813 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *);
814 static void isp_handle_platform_ctio(ispsoftc_t *, void *);
815 static void isp_handle_platform_notify_scsi(ispsoftc_t *, in_entry_t *);
816 static void isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *);
817 static void isp_handle_platform_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *);
818 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *);
819 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *);
820 static void isp_target_mark_aborted(ispsoftc_t *, union ccb *);
821 static void isp_target_mark_aborted_early(ispsoftc_t *, tstate_t *, uint32_t);
822 
823 static ISP_INLINE int
824 is_lun_enabled(ispsoftc_t *isp, int bus, lun_id_t lun)
825 {
826 	tstate_t *tptr;
827 	struct tslist *lhp;
828 
829 	ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
830 	SLIST_FOREACH(tptr, lhp, next) {
831 		if (xpt_path_lun_id(tptr->owner) == lun) {
832 			return (1);
833 		}
834 	}
835 	return (0);
836 }
837 
838 static void
839 dump_tstates(ispsoftc_t *isp, int bus)
840 {
841 	int i, j;
842 	struct tslist *lhp;
843 	tstate_t *tptr = NULL;
844 
845 	if (bus >= isp->isp_nchan) {
846 		return;
847 	}
848 	for (i = 0; i < LUN_HASH_SIZE; i++) {
849 		ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
850 		j = 0;
851 		SLIST_FOREACH(tptr, lhp, next) {
852 			xpt_print(tptr->owner, "[%d, %d] atio_cnt=%d inot_cnt=%d\n", i, j, tptr->atio_count, tptr->inot_count);
853 			j++;
854 		}
855 	}
856 }
857 
858 static ISP_INLINE tstate_t *
859 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
860 {
861 	tstate_t *tptr = NULL;
862 	struct tslist *lhp;
863 	int i;
864 
865 	if (bus < isp->isp_nchan) {
866 		for (i = 0; i < LUN_HASH_SIZE; i++) {
867 			ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
868 			SLIST_FOREACH(tptr, lhp, next) {
869 				if (xpt_path_lun_id(tptr->owner) == lun) {
870 					tptr->hold++;
871 					return (tptr);
872 				}
873 			}
874 		}
875 	}
876 	return (NULL);
877 }
878 
879 static ISP_INLINE tstate_t *
880 get_lun_statep_from_tag(ispsoftc_t *isp, int bus, uint32_t tagval)
881 {
882 	tstate_t *tptr = NULL;
883 	atio_private_data_t *atp;
884 	struct tslist *lhp;
885 	int i;
886 
887 	if (bus < isp->isp_nchan && tagval != 0) {
888 		for (i = 0; i < LUN_HASH_SIZE; i++) {
889 			ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
890 			SLIST_FOREACH(tptr, lhp, next) {
891 				atp = isp_get_atpd(isp, tptr, tagval);
892 				if (atp && atp->tag == tagval) {
893 					tptr->hold++;
894 					return (tptr);
895 				}
896 			}
897 		}
898 	}
899 	return (NULL);
900 }
901 
902 static ISP_INLINE inot_private_data_t *
903 get_ntp_from_tagdata(ispsoftc_t *isp, uint32_t tag_id, uint32_t seq_id, tstate_t **rslt)
904 {
905 	inot_private_data_t *ntp;
906 	tstate_t *tptr;
907 	struct tslist *lhp;
908 	int bus, i;
909 
910 	for (bus = 0; bus < isp->isp_nchan; bus++) {
911 		for (i = 0; i < LUN_HASH_SIZE; i++) {
912 			ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
913 			SLIST_FOREACH(tptr, lhp, next) {
914 				ntp = isp_find_ntpd(isp, tptr, tag_id, seq_id);
915 				if (ntp) {
916 					*rslt = tptr;
917 					tptr->hold++;
918 					return (ntp);
919 				}
920 			}
921 		}
922 	}
923 	return (NULL);
924 }
925 static ISP_INLINE void
926 rls_lun_statep(ispsoftc_t *isp, tstate_t *tptr)
927 {
928 	KASSERT((tptr->hold), ("tptr not held"));
929 	tptr->hold--;
930 }
931 
932 static void
933 isp_tmcmd_restart(ispsoftc_t *isp)
934 {
935 	inot_private_data_t *ntp;
936 	tstate_t *tptr;
937 	struct tslist *lhp;
938 	int bus, i;
939 
940 	for (bus = 0; bus < isp->isp_nchan; bus++) {
941 		for (i = 0; i < LUN_HASH_SIZE; i++) {
942 			ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
943 			SLIST_FOREACH(tptr, lhp, next) {
944 				inot_private_data_t *restart_queue = tptr->restart_queue;
945 				tptr->restart_queue = NULL;
946 				while (restart_queue) {
947 					ntp = restart_queue;
948 					restart_queue = ntp->rd.nt.nt_hba;
949 					if (IS_24XX(isp)) {
950 						isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid);
951 						isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data);
952 					} else {
953 						isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid);
954 						isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data);
955 					}
956 					isp_put_ntpd(isp, tptr, ntp);
957 					if (tptr->restart_queue && restart_queue != NULL) {
958 						ntp = tptr->restart_queue;
959 						tptr->restart_queue = restart_queue;
960 						while (restart_queue->rd.nt.nt_hba) {
961 							restart_queue = restart_queue->rd.nt.nt_hba;
962 						}
963 						restart_queue->rd.nt.nt_hba = ntp;
964 						break;
965 					}
966 				}
967 			}
968 		}
969 	}
970 }
971 
972 static ISP_INLINE atio_private_data_t *
973 isp_get_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag)
974 {
975 	atio_private_data_t *atp;
976 
977 	if (tag == 0) {
978 		atp = tptr->atfree;
979 		if (atp) {
980 			tptr->atfree = atp->next;
981 		}
982 		return (atp);
983 	}
984 	for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
985 		if (atp->tag == tag) {
986 			return (atp);
987 		}
988 	}
989 	return (NULL);
990 }
991 
992 static ISP_INLINE void
993 isp_put_atpd(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp)
994 {
995 	atp->tag = 0;
996 	atp->dead = 0;
997 	atp->next = tptr->atfree;
998 	tptr->atfree = atp;
999 }
1000 
1001 static void
1002 isp_dump_atpd(ispsoftc_t *isp, tstate_t *tptr)
1003 {
1004 	atio_private_data_t *atp;
1005 	const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" };
1006 
1007 	for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
1008 		if (atp->tag == 0) {
1009 			continue;
1010 		}
1011 		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",
1012                     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]);
1013 	}
1014 }
1015 
1016 
1017 static ISP_INLINE inot_private_data_t *
1018 isp_get_ntpd(ispsoftc_t *isp, tstate_t *tptr)
1019 {
1020 	inot_private_data_t *ntp;
1021 	ntp = tptr->ntfree;
1022 	if (ntp) {
1023 		tptr->ntfree = ntp->next;
1024 	}
1025 	return (ntp);
1026 }
1027 
1028 static ISP_INLINE inot_private_data_t *
1029 isp_find_ntpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id, uint32_t seq_id)
1030 {
1031 	inot_private_data_t *ntp;
1032 	for (ntp = tptr->ntpool; ntp < &tptr->ntpool[ATPDPSIZE]; ntp++) {
1033 		if (ntp->rd.tag_id == tag_id && ntp->rd.seq_id == seq_id) {
1034 			return (ntp);
1035 		}
1036 	}
1037 	return (NULL);
1038 }
1039 
1040 static ISP_INLINE void
1041 isp_put_ntpd(ispsoftc_t *isp, tstate_t *tptr, inot_private_data_t *ntp)
1042 {
1043 	ntp->rd.tag_id = ntp->rd.seq_id = 0;
1044 	ntp->next = tptr->ntfree;
1045 	tptr->ntfree = ntp;
1046 }
1047 
1048 static cam_status
1049 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt)
1050 {
1051 	cam_status status;
1052 	lun_id_t lun;
1053 	struct tslist *lhp;
1054 	tstate_t *tptr;
1055 	int i;
1056 
1057 	lun = xpt_path_lun_id(path);
1058 	if (lun != CAM_LUN_WILDCARD) {
1059 		if (lun >= ISP_MAX_LUNS(isp)) {
1060 			return (CAM_LUN_INVALID);
1061 		}
1062 	}
1063 	if (is_lun_enabled(isp, bus, lun)) {
1064 		return (CAM_LUN_ALRDY_ENA);
1065 	}
1066 	tptr = kmalloc(sizeof (tstate_t), M_DEVBUF, M_WAITOK | M_ZERO);
1067 	status = xpt_create_path(&tptr->owner, NULL, xpt_path_path_id(path), xpt_path_target_id(path), lun);
1068 	if (status != CAM_REQ_CMP) {
1069 		kfree(tptr, M_DEVBUF);
1070 		return (status);
1071 	}
1072 	SLIST_INIT(&tptr->atios);
1073 	SLIST_INIT(&tptr->inots);
1074 	for (i = 0; i < ATPDPSIZE-1; i++) {
1075 		tptr->atpool[i].next = &tptr->atpool[i+1];
1076 		tptr->ntpool[i].next = &tptr->ntpool[i+1];
1077 	}
1078 	tptr->atfree = tptr->atpool;
1079 	tptr->ntfree = tptr->ntpool;
1080 	tptr->hold = 1;
1081 	ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(xpt_path_lun_id(tptr->owner))], lhp);
1082 	SLIST_INSERT_HEAD(lhp, tptr, next);
1083 	*rslt = tptr;
1084 	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n");
1085 	return (CAM_REQ_CMP);
1086 }
1087 
1088 static ISP_INLINE void
1089 destroy_lun_state(ispsoftc_t *isp, tstate_t *tptr)
1090 {
1091 	struct tslist *lhp;
1092 	KASSERT((tptr->hold == 0), ("tptr still held"));
1093 	ISP_GET_PC_ADDR(isp, xpt_path_path_id(tptr->owner), lun_hash[LUN_HASH_FUNC(xpt_path_lun_id(tptr->owner))], lhp);
1094 	SLIST_REMOVE(lhp, tptr, tstate, next);
1095 	xpt_free_path(tptr->owner);
1096 	kfree(tptr, M_DEVBUF);
1097 }
1098 
1099 /*
1100  * Enable a lun.
1101  */
1102 static void
1103 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb)
1104 {
1105 	tstate_t *tptr = NULL;
1106 	int bus, tm_enabled, target_role;
1107 	target_id_t target;
1108 	lun_id_t lun;
1109 
1110 	/*
1111 	 * We only support either a wildcard target/lun or a target ID of zero and a non-wildcard lun
1112 	 */
1113 	bus = XS_CHANNEL(ccb);
1114 	target = ccb->ccb_h.target_id;
1115 	lun = ccb->ccb_h.target_lun;
1116 	if (target != CAM_TARGET_WILDCARD && target != 0) {
1117 		ccb->ccb_h.status = CAM_TID_INVALID;
1118 		xpt_done(ccb);
1119 		return;
1120 	}
1121 	if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) {
1122 		ccb->ccb_h.status = CAM_LUN_INVALID;
1123 		xpt_done(ccb);
1124 		return;
1125 	}
1126 
1127 	if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
1128 		ccb->ccb_h.status = CAM_LUN_INVALID;
1129 		xpt_done(ccb);
1130 		return;
1131 	}
1132 	if (isp->isp_dblev & ISP_LOGTDEBUG0) {
1133 		xpt_print(ccb->ccb_h.path, "enabling lun 0x%x on channel %d\n", lun, bus);
1134 	}
1135 
1136 	/*
1137 	 * Wait until we're not busy with the lun enables subsystem
1138 	 */
1139 	while (isp->isp_osinfo.tmbusy) {
1140 		isp->isp_osinfo.tmwanted = 1;
1141 		mtx_sleep(isp, &isp->isp_lock, 0, "want_isp_enable_lun", 0);
1142 	}
1143 	isp->isp_osinfo.tmbusy = 1;
1144 
1145 	/*
1146 	 * This is as a good a place as any to check f/w capabilities.
1147 	 */
1148 
1149 	if (IS_FC(isp)) {
1150 		if (ISP_CAP_TMODE(isp) == 0) {
1151 			xpt_print(ccb->ccb_h.path, "firmware does not support target mode\n");
1152 			ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1153 			goto done;
1154 		}
1155 		/*
1156 		 * We *could* handle non-SCCLUN f/w, but we'd have to
1157 		 * dork with our already fragile enable/disable code.
1158 		 */
1159 		if (ISP_CAP_SCCFW(isp) == 0) {
1160 			xpt_print(ccb->ccb_h.path, "firmware not SCCLUN capable\n");
1161 			ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1162 			goto done;
1163 		}
1164 
1165 		target_role = (FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0;
1166 
1167 	} else {
1168 		target_role = (SDPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0;
1169 	}
1170 
1171 	/*
1172 	 * Create the state pointer.
1173 	 * It should not already exist.
1174 	 */
1175 	tptr = get_lun_statep(isp, bus, lun);
1176 	if (tptr) {
1177 		ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
1178 		goto done;
1179 	}
1180 	ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
1181 	if (ccb->ccb_h.status != CAM_REQ_CMP) {
1182 		goto done;
1183 	}
1184 
1185 	/*
1186 	 * We have a tricky maneuver to perform here.
1187 	 *
1188 	 * If target mode isn't already enabled here,
1189 	 * *and* our current role includes target mode,
1190 	 * we enable target mode here.
1191 	 *
1192 	 */
1193 	ISP_GET_PC(isp, bus, tm_enabled, tm_enabled);
1194 	if (tm_enabled == 0 && target_role != 0) {
1195 		if (isp_enable_target_mode(isp, bus)) {
1196 			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1197 			destroy_lun_state(isp, tptr);
1198 			tptr = NULL;
1199 			goto done;
1200 		}
1201 		tm_enabled = 1;
1202 	}
1203 
1204 	/*
1205 	 * Now check to see whether this bus is in target mode already.
1206 	 *
1207 	 * If not, a later role change into target mode will finish the job.
1208 	 */
1209 	if (tm_enabled == 0) {
1210 		ISP_SET_PC(isp, bus, tm_enable_defer, 1);
1211 		ccb->ccb_h.status = CAM_REQ_CMP;
1212 		xpt_print(ccb->ccb_h.path, "Target Mode Not Enabled Yet- Lun Enables Deferred\n");
1213 		goto done;
1214 	}
1215 
1216 	/*
1217 	 * Enable the lun.
1218 	 */
1219 	ccb->ccb_h.status = isp_enable_deferred(isp, bus, lun);
1220 
1221 done:
1222 	if (ccb->ccb_h.status != CAM_REQ_CMP && tptr) {
1223 		destroy_lun_state(isp, tptr);
1224 		tptr = NULL;
1225 	}
1226 	if (tptr) {
1227 		rls_lun_statep(isp, tptr);
1228 	}
1229 	isp->isp_osinfo.tmbusy = 0;
1230 	if (isp->isp_osinfo.tmwanted) {
1231 		isp->isp_osinfo.tmwanted = 0;
1232 		wakeup(isp);
1233 	}
1234 	xpt_done(ccb);
1235 }
1236 
1237 static void
1238 isp_enable_deferred_luns(ispsoftc_t *isp, int bus)
1239 {
1240 	/*
1241 	 * XXX: not entirely implemented yet
1242 	 */
1243 	(void) isp_enable_deferred(isp, bus, 0);
1244 }
1245 
1246 static uint32_t
1247 isp_enable_deferred(ispsoftc_t *isp, int bus, lun_id_t lun)
1248 {
1249 	cam_status status;
1250 
1251 	isp_prt(isp, ISP_LOGTINFO, "%s: bus %d lun %u", __func__, bus, lun);
1252 	if (IS_24XX(isp) || (IS_FC(isp) && ISP_FC_PC(isp, bus)->tm_luns_enabled)) {
1253 		status = CAM_REQ_CMP;
1254 	} else {
1255 		int cmd_cnt, not_cnt;
1256 
1257 		if (IS_23XX(isp)) {
1258 			cmd_cnt = DFLT_CMND_CNT;
1259 			not_cnt = DFLT_INOT_CNT;
1260 		} else {
1261 			cmd_cnt = 64;
1262 			not_cnt = 8;
1263 		}
1264 		status = CAM_REQ_INPROG;
1265 		isp->isp_osinfo.rptr = &status;
1266 		if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun, DFLT_CMND_CNT, DFLT_INOT_CNT)) {
1267 			status = CAM_RESRC_UNAVAIL;
1268 		} else {
1269 			mtx_sleep(&status, &isp->isp_lock, PRIBIO, "isp_enable_deferred", 0);
1270 		}
1271 		isp->isp_osinfo.rptr = NULL;
1272 	}
1273 
1274 	if (status == CAM_REQ_CMP) {
1275 		ISP_SET_PC(isp, bus, tm_luns_enabled, 1);
1276 		isp_prt(isp, ISP_LOGTINFO, "bus %d lun %u now enabled for target mode", bus, lun);
1277 	}
1278 	return (status);
1279 }
1280 
1281 static void
1282 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb)
1283 {
1284 	tstate_t *tptr = NULL;
1285 	int bus;
1286 	cam_status status;
1287 	target_id_t target;
1288 	lun_id_t lun;
1289 
1290 	bus = XS_CHANNEL(ccb);
1291 	target = ccb->ccb_h.target_id;
1292 	lun = ccb->ccb_h.target_lun;
1293 	if (target != CAM_TARGET_WILDCARD && target != 0) {
1294 		ccb->ccb_h.status = CAM_TID_INVALID;
1295 		xpt_done(ccb);
1296 		return;
1297 	}
1298 	if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) {
1299 		ccb->ccb_h.status = CAM_LUN_INVALID;
1300 		xpt_done(ccb);
1301 		return;
1302 	}
1303 
1304 	if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
1305 		ccb->ccb_h.status = CAM_LUN_INVALID;
1306 		xpt_done(ccb);
1307 		return;
1308 	}
1309 	if (isp->isp_dblev & ISP_LOGTDEBUG0) {
1310 		xpt_print(ccb->ccb_h.path, "enabling lun 0x%x on channel %d\n", lun, bus);
1311 	}
1312 
1313 	/*
1314 	 * See if we're busy disabling a lun now.
1315 	 */
1316 	while (isp->isp_osinfo.tmbusy) {
1317 		isp->isp_osinfo.tmwanted = 1;
1318 		mtx_sleep(isp, &isp->isp_lock, PRIBIO, "want_isp_disable_lun", 0);
1319 	}
1320 	isp->isp_osinfo.tmbusy = 1;
1321 
1322 	/*
1323 	 * Find the state pointer.
1324 	 */
1325 	if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) {
1326 		ccb->ccb_h.status = CAM_PATH_INVALID;
1327 		goto done;
1328 	}
1329 
1330 	/*
1331 	 * If we're a 24XX card, we're done.
1332 	 */
1333 	if (IS_24XX(isp)) {
1334 		status = CAM_REQ_CMP;
1335 		goto done;
1336 	}
1337 
1338 	/*
1339 	 * For SCC FW, we only deal with lun zero.
1340 	 */
1341 	if (IS_FC(isp)) {
1342 		lun = 0;
1343 	}
1344 
1345 	isp->isp_osinfo.rptr = &status;
1346 	status = CAM_REQ_INPROG;
1347 	if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun, 0, 0)) {
1348 		status = CAM_RESRC_UNAVAIL;
1349 	} else {
1350 		mtx_sleep(ccb, &isp->isp_lock, PRIBIO, "isp_disable_lun", 0);
1351 	}
1352 done:
1353 	if (status == CAM_REQ_CMP) {
1354 		xpt_print(ccb->ccb_h.path, "now disabled for target mode\n");
1355 	}
1356 	if (tptr) {
1357 		destroy_lun_state(isp, tptr);
1358 	}
1359 	isp->isp_osinfo.rptr = NULL;
1360 	isp->isp_osinfo.tmbusy = 0;
1361 	if (isp->isp_osinfo.tmwanted) {
1362 		isp->isp_osinfo.tmwanted = 0;
1363 		wakeup(isp);
1364 	}
1365 	xpt_done(ccb);
1366 }
1367 
1368 static int
1369 isp_enable_target_mode(ispsoftc_t *isp, int bus)
1370 {
1371 	int ct;
1372 
1373 	ISP_GET_PC(isp, bus, tm_enabled, ct);
1374 	if (ct != 0) {
1375 		return (0);
1376 	}
1377 
1378 	if (IS_SCSI(isp)) {
1379 		mbreg_t mbs;
1380 
1381 		MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0);
1382 		mbs.param[0] = MBOX_ENABLE_TARGET_MODE;
1383 		mbs.param[1] = ENABLE_TARGET_FLAG|ENABLE_TQING_FLAG;
1384 		mbs.param[2] = bus << 7;
1385 		if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1386 			isp_prt(isp, ISP_LOGERR, "Unable to add Target Role to Bus %d", bus);
1387 			return (EIO);
1388 		}
1389 		SDPARAM(isp, bus)->role |= ISP_ROLE_TARGET;
1390 	}
1391 	ISP_SET_PC(isp, bus, tm_enabled, 1);
1392 	isp_prt(isp, ISP_LOGINFO, "Target Role added to Bus %d", bus);
1393 	return (0);
1394 }
1395 
1396 #ifdef	NEEDED
1397 static int
1398 isp_disable_target_mode(ispsoftc_t *isp, int bus)
1399 {
1400 	int ct;
1401 
1402 	ISP_GET_PC(isp, bus, tm_enabled, ct);
1403 	if (ct == 0) {
1404 		return (0);
1405 	}
1406 
1407 	if (IS_SCSI(isp)) {
1408 		mbreg_t mbs;
1409 
1410 		MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0);
1411 		mbs.param[2] = bus << 7;
1412 		if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1413 			isp_prt(isp, ISP_LOGERR, "Unable to subtract Target Role to Bus %d", bus);
1414 			return (EIO);
1415 		}
1416 		SDPARAM(isp, bus)->role &= ~ISP_ROLE_TARGET;
1417 	}
1418 	ISP_SET_PC(isp, bus, tm_enabled, 0);
1419 	isp_prt(isp, ISP_LOGINFO, "Target Role subtracted from Bus %d", bus);
1420 	return (0);
1421 }
1422 #endif
1423 
1424 static void
1425 isp_ledone(ispsoftc_t *isp, lun_entry_t *lep)
1426 {
1427 	uint32_t *rptr;
1428 
1429 	rptr = isp->isp_osinfo.rptr;
1430 	if (lep->le_status != LUN_OK) {
1431 		isp_prt(isp, ISP_LOGERR, "ENABLE/MODIFY LUN returned 0x%x", lep->le_status);
1432 		if (rptr) {
1433 			*rptr = CAM_REQ_CMP_ERR;
1434 			wakeup_one(rptr);
1435 		}
1436 	} else {
1437 		if (rptr) {
1438 			*rptr = CAM_REQ_CMP;
1439 			wakeup_one(rptr);
1440 		}
1441 	}
1442 }
1443 
1444 static void
1445 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb)
1446 {
1447 	void *qe;
1448 	tstate_t *tptr;
1449 	atio_private_data_t *atp;
1450 	struct ccb_scsiio *cso = &ccb->csio;
1451 	uint32_t dmaresult, handle;
1452 	uint8_t local[QENTRY_LEN];
1453 
1454 	/*
1455 	 * Do some sanity checks.
1456 	 */
1457 	if (cso->dxfer_len == 0) {
1458 		if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
1459 			xpt_print(ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n");
1460 			ccb->ccb_h.status = CAM_REQ_INVALID;
1461 			xpt_done(ccb);
1462 			return;
1463 		}
1464 	}
1465 
1466 	tptr = get_lun_statep(isp, XS_CHANNEL(ccb), XS_LUN(ccb));
1467 	if (tptr == NULL) {
1468 		tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
1469 		if (tptr == NULL) {
1470 			xpt_print(ccb->ccb_h.path, "%s: [0x%x] cannot find tstate pointer in %s\n", __func__, cso->tag_id);
1471 			dump_tstates(isp, XS_CHANNEL(ccb));
1472 			ccb->ccb_h.status = CAM_DEV_NOT_THERE;
1473 			xpt_done(ccb);
1474 			return;
1475 		}
1476 	}
1477 
1478 	atp = isp_get_atpd(isp, tptr, cso->tag_id);
1479 	if (atp == NULL) {
1480 		xpt_print(ccb->ccb_h.path, "%s: [0x%x] cannot find private data adjunct\n", __func__, cso->tag_id);
1481 		isp_dump_atpd(isp, tptr);
1482 		ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1483 		xpt_done(ccb);
1484 		return;
1485 	}
1486 	if (atp->dead) {
1487 		xpt_print(ccb->ccb_h.path, "%s: [0x%x] stopping sending a CTIO for a dead command\n", __func__, cso->tag_id);
1488 		ccb->ccb_h.status = CAM_REQ_ABORTED;
1489 		xpt_done(ccb);
1490 		return;
1491 	}
1492 
1493 	/*
1494 	 * Check to make sure we're still in target mode.
1495 	 */
1496 	if ((FCPARAM(isp, XS_CHANNEL(ccb))->role & ISP_ROLE_TARGET) == 0) {
1497 		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);
1498 		ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1499 		xpt_done(ccb);
1500 		return;
1501 	}
1502 
1503 	/*
1504 	 * Get some resources
1505 	 */
1506 	if (isp_get_pcmd(isp, ccb)) {
1507 		rls_lun_statep(isp, tptr);
1508 		xpt_print(ccb->ccb_h.path, "out of PCMDs\n");
1509 		cam_freeze_devq(ccb->ccb_h.path);
1510 		cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
1511 		ccb->ccb_h.status = CAM_REQUEUE_REQ;
1512 		xpt_done(ccb);
1513 		return;
1514 	}
1515 	qe = isp_getrqentry(isp);
1516 	if (qe == NULL) {
1517 		xpt_print(ccb->ccb_h.path, rqo, __func__);
1518 		cam_freeze_devq(ccb->ccb_h.path);
1519 		cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
1520 		ccb->ccb_h.status = CAM_REQUEUE_REQ;
1521 		goto out;
1522 	}
1523 	memset(local, 0, QENTRY_LEN);
1524 
1525 	/*
1526 	 * We're either moving data or completing a command here.
1527 	 */
1528 	if (IS_24XX(isp)) {
1529 		ct7_entry_t *cto = (ct7_entry_t *) local;
1530 
1531 		cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
1532 		cto->ct_header.rqs_entry_count = 1;
1533 		cto->ct_header.rqs_seqno = 1;
1534 		cto->ct_nphdl = atp->nphdl;
1535 		cto->ct_rxid = atp->tag;
1536 		cto->ct_iid_lo = atp->portid;
1537 		cto->ct_iid_hi = atp->portid >> 16;
1538 		cto->ct_oxid = atp->oxid;
1539 		cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb));
1540 		cto->ct_scsi_status = cso->scsi_status;
1541 		cto->ct_timeout = 120;
1542 		cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT;
1543 		if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1544 			cto->ct_flags |= CT7_SENDSTATUS;
1545 		}
1546 		if (cso->dxfer_len == 0) {
1547 			cto->ct_flags |= CT7_FLAG_MODE1 | CT7_NO_DATA;
1548 			if ((ccb->ccb_h.flags & CAM_SEND_SENSE) != 0) {
1549 				int m = min(cso->sense_len, sizeof (struct scsi_sense_data));
1550 				cto->rsp.m1.ct_resplen = cto->ct_senselen = min(m, MAXRESPLEN_24XX);
1551 				memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, cto->ct_senselen);
1552 				cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
1553 			}
1554 		} else {
1555 			cto->ct_flags |= CT7_FLAG_MODE0;
1556 			if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1557 				cto->ct_flags |= CT7_DATA_IN;
1558 			} else {
1559 				cto->ct_flags |= CT7_DATA_OUT;
1560 			}
1561 			cto->rsp.m0.reloff = atp->bytes_xfered;
1562 			/*
1563 			 * Don't overrun the limits placed on us
1564 			 */
1565 			if (atp->bytes_xfered + cso->dxfer_len > atp->orig_datalen) {
1566 				cso->dxfer_len = atp->orig_datalen - atp->bytes_xfered;
1567 			}
1568 			atp->last_xframt = cso->dxfer_len;
1569 			cto->rsp.m0.ct_xfrlen = cso->dxfer_len;
1570 		}
1571 		if (cto->ct_flags & CT7_SENDSTATUS) {
1572 			int lvl = (cso->scsi_status)? ISP_LOGTINFO : ISP_LOGTDEBUG0;
1573 			cto->ct_resid = atp->orig_datalen - (atp->bytes_xfered + cso->dxfer_len);
1574 			if (cto->ct_resid < 0) {
1575 				cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8);
1576 			} else if (cto->ct_resid > 0) {
1577 				cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
1578 			}
1579 			atp->state = ATPD_STATE_LAST_CTIO;
1580 			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,
1581 			    atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid, cso->dxfer_len, atp->bytes_xfered);
1582 		} else {
1583 			cto->ct_resid = 0;
1584 			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,
1585 			    cso->dxfer_len, atp->bytes_xfered);
1586 			atp->state = ATPD_STATE_CTIO;
1587 		}
1588 	} else if (IS_FC(isp)) {
1589 		ct2_entry_t *cto = (ct2_entry_t *) local;
1590 
1591 		cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1592 		cto->ct_header.rqs_entry_count = 1;
1593 		cto->ct_header.rqs_seqno = 1;
1594 		if (ISP_CAP_2KLOGIN(isp) == 0) {
1595 			((ct2e_entry_t *)cto)->ct_iid = cso->init_id;
1596 		} else {
1597 			cto->ct_iid = cso->init_id;
1598 			if (ISP_CAP_SCCFW(isp) == 0) {
1599 				cto->ct_lun = ccb->ccb_h.target_lun;
1600 			}
1601 		}
1602 
1603 
1604 		cto->ct_rxid = cso->tag_id;
1605 		if (cso->dxfer_len == 0) {
1606 			cto->ct_flags |= CT2_FLAG_MODE1 | CT2_NO_DATA | CT2_SENDSTATUS;
1607 			cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1608 			cto->ct_resid = atp->orig_datalen - atp->bytes_xfered;
1609 			if (cto->ct_resid < 0) {
1610 				cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER;
1611 			} else if (cto->ct_resid > 0) {
1612 				cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER;
1613 			}
1614 			if ((ccb->ccb_h.flags & CAM_SEND_SENSE) != 0) {
1615 				int m = min(cso->sense_len, MAXRESPLEN);
1616 				memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, m);
1617 				cto->rsp.m1.ct_senselen = m;
1618 				cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1619 			} else if (cso->scsi_status == SCSI_STATUS_CHECK_COND) {
1620 				/*
1621 				 * XXX: DEBUG
1622 				 */
1623 				xpt_print(ccb->ccb_h.path, "CHECK CONDITION being sent without associated SENSE DATA for CDB=0x%x\n", atp->cdb0);
1624 			}
1625 		} else {
1626 			cto->ct_flags |= CT2_FLAG_MODE0;
1627 			if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1628 				cto->ct_flags |= CT2_DATA_IN;
1629 			} else {
1630 				cto->ct_flags |= CT2_DATA_OUT;
1631 			}
1632 			cto->ct_reloff = atp->bytes_xfered;
1633 			cto->rsp.m0.ct_xfrlen = cso->dxfer_len;
1634 			/*
1635 			 * Don't overrun the limits placed on us
1636 			 */
1637 			if (atp->bytes_xfered + cso->dxfer_len > atp->orig_datalen) {
1638 				cso->dxfer_len = atp->orig_datalen - atp->bytes_xfered;
1639 			}
1640 			if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
1641 				cto->ct_flags |= CT2_SENDSTATUS;
1642 				cto->rsp.m0.ct_scsi_status = cso->scsi_status;
1643 				cto->ct_resid = atp->orig_datalen - (atp->bytes_xfered + cso->dxfer_len);
1644 				if (cto->ct_resid < 0) {
1645 					cto->rsp.m0.ct_scsi_status |= CT2_DATA_OVER;
1646 				} else if (cto->ct_resid > 0) {
1647 					cto->rsp.m0.ct_scsi_status |= CT2_DATA_UNDER;
1648 				}
1649 			} else {
1650 				atp->last_xframt = cso->dxfer_len;
1651 			}
1652 			/*
1653 			 * If we're sending data and status back together,
1654 			 * we can't also send back sense data as well.
1655 			 */
1656 			ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
1657 		}
1658 
1659 		if (cto->ct_flags & CT2_SENDSTATUS) {
1660 			int lvl = (cso->scsi_status)? ISP_LOGTINFO : ISP_LOGTDEBUG0;
1661 			cto->ct_flags |= CT2_CCINCR;
1662 			atp->state = ATPD_STATE_LAST_CTIO;
1663 			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,
1664 			    atp->cdb0, cto->rsp.m0.ct_scsi_status, cto->ct_flags, cto->ct_resid, cso->dxfer_len, atp->bytes_xfered);
1665 		} else {
1666 			cto->ct_resid = 0;
1667 			atp->state = ATPD_STATE_CTIO;
1668 			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,
1669 			    cso->dxfer_len, atp->bytes_xfered);
1670 		}
1671 		cto->ct_timeout = 10;
1672 	} else {
1673 		ct_entry_t *cto = (ct_entry_t *) local;
1674 
1675 		cto->ct_header.rqs_entry_type = RQSTYPE_CTIO;
1676 		cto->ct_header.rqs_entry_count = 1;
1677 		cto->ct_header.rqs_seqno = 1;
1678 		cto->ct_iid = cso->init_id;
1679 		cto->ct_iid |= XS_CHANNEL(ccb) << 7;
1680 		cto->ct_tgt = ccb->ccb_h.target_id;
1681 		cto->ct_lun = ccb->ccb_h.target_lun;
1682 		cto->ct_fwhandle = cso->tag_id >> 16;
1683 		if (AT_HAS_TAG(cso->tag_id)) {
1684 			cto->ct_tag_val = cso->tag_id;
1685 			cto->ct_flags |= CT_TQAE;
1686 		}
1687 		if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) {
1688 			cto->ct_flags |= CT_NODISC;
1689 		}
1690 		if (cso->dxfer_len == 0) {
1691 			cto->ct_flags |= CT_NO_DATA;
1692 		} else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1693 			cto->ct_flags |= CT_DATA_IN;
1694 		} else {
1695 			cto->ct_flags |= CT_DATA_OUT;
1696 		}
1697 		if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1698 			cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR;
1699 			cto->ct_scsi_status = cso->scsi_status;
1700 			cto->ct_resid = cso->resid;
1701 			ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "%s: CTIO[%x] scsi status %x resid %d tag_id %x\n", __func__,
1702 			    cto->ct_fwhandle, cso->scsi_status, cso->resid, cso->tag_id);
1703 		}
1704 		ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
1705 		cto->ct_timeout = 10;
1706 	}
1707 
1708 	if (isp_allocate_xs_tgt(isp, ccb, &handle)) {
1709 		xpt_print(ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__);
1710 		ccb->ccb_h.status = CAM_REQUEUE_REQ;
1711 		goto out;
1712 	}
1713 
1714 
1715 	/*
1716 	 * Call the dma setup routines for this entry (and any subsequent
1717 	 * CTIOs) if there's data to move, and then tell the f/w it's got
1718 	 * new things to play with. As with isp_start's usage of DMA setup,
1719 	 * any swizzling is done in the machine dependent layer. Because
1720 	 * of this, we put the request onto the queue area first in native
1721 	 * format.
1722 	 */
1723 
1724 	if (IS_24XX(isp)) {
1725 		ct7_entry_t *cto = (ct7_entry_t *) local;
1726 		cto->ct_syshandle = handle;
1727 	} else if (IS_FC(isp)) {
1728 		ct2_entry_t *cto = (ct2_entry_t *) local;
1729 		cto->ct_syshandle = handle;
1730 	} else {
1731 		ct_entry_t *cto = (ct_entry_t *) local;
1732 		cto->ct_syshandle = handle;
1733 	}
1734 
1735 	dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local);
1736 	if (dmaresult == CMD_QUEUED) {
1737 		isp->isp_nactive++;
1738 		ccb->ccb_h.status |= CAM_SIM_QUEUED;
1739 		rls_lun_statep(isp, tptr);
1740 		return;
1741 	}
1742 	if (dmaresult == CMD_EAGAIN) {
1743 		ccb->ccb_h.status = CAM_REQUEUE_REQ;
1744 	} else {
1745 		ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1746 	}
1747 	isp_destroy_tgt_handle(isp, handle);
1748 out:
1749 	rls_lun_statep(isp, tptr);
1750 	isp_free_pcmd(isp, ccb);
1751 	xpt_done(ccb);
1752 }
1753 
1754 static void
1755 isp_refire_putback_atio(void *arg)
1756 {
1757 	union ccb *ccb = arg;
1758 	ispsoftc_t *isp = XS_ISP(ccb);
1759 	ISP_LOCK(isp);
1760 	isp_target_putback_atio(ccb);
1761 	ISP_UNLOCK(isp);
1762 }
1763 
1764 static void
1765 isp_target_putback_atio(union ccb *ccb)
1766 {
1767 	ispsoftc_t *isp;
1768 	struct ccb_scsiio *cso;
1769 	void *qe;
1770 
1771 	isp = XS_ISP(ccb);
1772 
1773 	qe = isp_getrqentry(isp);
1774 	if (qe == NULL) {
1775 		xpt_print(ccb->ccb_h.path, rqo, __func__);
1776 		(void) timeout(isp_refire_putback_atio, ccb, 10);
1777 		return;
1778 	}
1779 	memset(qe, 0, QENTRY_LEN);
1780 	cso = &ccb->csio;
1781 	if (IS_FC(isp)) {
1782 		at2_entry_t local, *at = &local;
1783 		ISP_MEMZERO(at, sizeof (at2_entry_t));
1784 		at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
1785 		at->at_header.rqs_entry_count = 1;
1786 		if (ISP_CAP_SCCFW(isp)) {
1787 			at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
1788 		} else {
1789 			at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
1790 		}
1791 		at->at_status = CT_OK;
1792 		at->at_rxid = cso->tag_id;
1793 		at->at_iid = cso->ccb_h.target_id;
1794 		isp_put_atio2(isp, at, qe);
1795 	} else {
1796 		at_entry_t local, *at = &local;
1797 		ISP_MEMZERO(at, sizeof (at_entry_t));
1798 		at->at_header.rqs_entry_type = RQSTYPE_ATIO;
1799 		at->at_header.rqs_entry_count = 1;
1800 		at->at_iid = cso->init_id;
1801 		at->at_iid |= XS_CHANNEL(ccb) << 7;
1802 		at->at_tgt = cso->ccb_h.target_id;
1803 		at->at_lun = cso->ccb_h.target_lun;
1804 		at->at_status = CT_OK;
1805 		at->at_tag_val = AT_GET_TAG(cso->tag_id);
1806 		at->at_handle = AT_GET_HANDLE(cso->tag_id);
1807 		isp_put_atio(isp, at, qe);
1808 	}
1809 	ISP_TDQE(isp, "isp_target_putback_atio", isp->isp_reqidx, qe);
1810 	ISP_SYNC_REQUEST(isp);
1811 	isp_complete_ctio(ccb);
1812 }
1813 
1814 static void
1815 isp_complete_ctio(union ccb *ccb)
1816 {
1817 	if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
1818 		ccb->ccb_h.status |= CAM_REQ_CMP;
1819 	}
1820 	ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1821 	isp_free_pcmd(XS_ISP(ccb), ccb);
1822 	xpt_done(ccb);
1823 }
1824 
1825 /*
1826  * Handle ATIO stuff that the generic code can't.
1827  * This means handling CDBs.
1828  */
1829 
1830 static void
1831 isp_handle_platform_atio(ispsoftc_t *isp, at_entry_t *aep)
1832 {
1833 	tstate_t *tptr;
1834 	int status, bus;
1835 	struct ccb_accept_tio *atiop;
1836 	atio_private_data_t *atp;
1837 
1838 	/*
1839 	 * The firmware status (except for the QLTM_SVALID bit)
1840 	 * indicates why this ATIO was sent to us.
1841 	 *
1842 	 * If QLTM_SVALID is set, the firmware has recommended Sense Data.
1843 	 *
1844 	 * If the DISCONNECTS DISABLED bit is set in the flags field,
1845 	 * we're still connected on the SCSI bus.
1846 	 */
1847 	status = aep->at_status;
1848 	if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) {
1849 		/*
1850 		 * Bus Phase Sequence error. We should have sense data
1851 		 * suggested by the f/w. I'm not sure quite yet what
1852 		 * to do about this for CAM.
1853 		 */
1854 		isp_prt(isp, ISP_LOGWARN, "PHASE ERROR");
1855 		isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1856 		return;
1857 	}
1858 	if ((status & ~QLTM_SVALID) != AT_CDB) {
1859 		isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform", status);
1860 		isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1861 		return;
1862 	}
1863 
1864 	bus = GET_BUS_VAL(aep->at_iid);
1865 	tptr = get_lun_statep(isp, bus, aep->at_lun);
1866 	if (tptr == NULL) {
1867 		tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
1868 		if (tptr == NULL) {
1869 			/*
1870 			 * Because we can't autofeed sense data back with
1871 			 * a command for parallel SCSI, we can't give back
1872 			 * a CHECK CONDITION. We'll give back a BUSY status
1873 			 * instead. This works out okay because the only
1874 			 * time we should, in fact, get this, is in the
1875 			 * case that somebody configured us without the
1876 			 * blackhole driver, so they get what they deserve.
1877 			 */
1878 			isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1879 			return;
1880 		}
1881 	}
1882 
1883 	atp = isp_get_atpd(isp, tptr, 0);
1884 	atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1885 	if (atiop == NULL || atp == NULL) {
1886 		/*
1887 		 * Because we can't autofeed sense data back with
1888 		 * a command for parallel SCSI, we can't give back
1889 		 * a CHECK CONDITION. We'll give back a QUEUE FULL status
1890 		 * instead. This works out okay because the only time we
1891 		 * should, in fact, get this, is in the case that we've
1892 		 * run out of ATIOS.
1893 		 */
1894 		xpt_print(tptr->owner, "no %s for lun %d from initiator %d\n", (atp == NULL && atiop == NULL)? "ATIOs *or* ATPS" :
1895 		    ((atp == NULL)? "ATPs" : "ATIOs"), aep->at_lun, aep->at_iid);
1896 		isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1897 		if (atp) {
1898 			isp_put_atpd(isp, tptr, atp);
1899 		}
1900 		rls_lun_statep(isp, tptr);
1901 		return;
1902 	}
1903 	atp->tag = aep->at_tag_val;
1904 	if (atp->tag == 0) {
1905 		atp->tag = ~0;
1906 	}
1907 	atp->state = ATPD_STATE_ATIO;
1908 	SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1909 	tptr->atio_count--;
1910 	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
1911 	atiop->ccb_h.target_id = aep->at_tgt;
1912 	atiop->ccb_h.target_lun = aep->at_lun;
1913 	if (aep->at_flags & AT_NODISC) {
1914 		atiop->ccb_h.flags = CAM_DIS_DISCONNECT;
1915 	} else {
1916 		atiop->ccb_h.flags = 0;
1917 	}
1918 
1919 	if (status & QLTM_SVALID) {
1920 		size_t amt = ISP_MIN(QLTM_SENSELEN, sizeof (atiop->sense_data));
1921 		atiop->sense_len = amt;
1922 		ISP_MEMCPY(&atiop->sense_data, aep->at_sense, amt);
1923 	} else {
1924 		atiop->sense_len = 0;
1925 	}
1926 
1927 	atiop->init_id = GET_IID_VAL(aep->at_iid);
1928 	atiop->cdb_len = aep->at_cdblen;
1929 	ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen);
1930 	atiop->ccb_h.status = CAM_CDB_RECVD;
1931 	/*
1932 	 * Construct a tag 'id' based upon tag value (which may be 0..255)
1933 	 * and the handle (which we have to preserve).
1934 	 */
1935 	atiop->tag_id = atp->tag;
1936 	if (aep->at_flags & AT_TQAE) {
1937 		atiop->tag_action = aep->at_tag_type;
1938 		atiop->ccb_h.status |= CAM_TAG_ACTION_VALID;
1939 	}
1940 	atp->orig_datalen = 0;
1941 	atp->bytes_xfered = 0;
1942 	atp->last_xframt = 0;
1943 	atp->lun = aep->at_lun;
1944 	atp->nphdl = aep->at_iid;
1945 	atp->portid = PORT_NONE;
1946 	atp->oxid = 0;
1947 	atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
1948 	atp->tattr = aep->at_tag_type;
1949 	atp->state = ATPD_STATE_CAM;
1950 	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "ATIO[%x] CDB=0x%x lun %d\n", aep->at_tag_val, atp->cdb0, atp->lun);
1951 	rls_lun_statep(isp, tptr);
1952 }
1953 
1954 static void
1955 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep)
1956 {
1957 	lun_id_t lun;
1958 	fcportdb_t *lp;
1959 	tstate_t *tptr;
1960 	struct ccb_accept_tio *atiop;
1961 	uint16_t nphdl;
1962 	atio_private_data_t *atp;
1963 	inot_private_data_t *ntp;
1964 
1965 	/*
1966 	 * The firmware status (except for the QLTM_SVALID bit)
1967 	 * indicates why this ATIO was sent to us.
1968 	 *
1969 	 * If QLTM_SVALID is set, the firmware has recommended Sense Data.
1970 	 */
1971 	if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
1972 		isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status);
1973 		isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1974 		return;
1975 	}
1976 
1977 	if (ISP_CAP_SCCFW(isp)) {
1978 		lun = aep->at_scclun;
1979 	} else {
1980 		lun = aep->at_lun;
1981 	}
1982 	if (ISP_CAP_2KLOGIN(isp)) {
1983 		nphdl = ((at2e_entry_t *)aep)->at_iid;
1984 	} else {
1985 		nphdl = aep->at_iid;
1986 	}
1987 	tptr = get_lun_statep(isp, 0, lun);
1988 	if (tptr == NULL) {
1989 		tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1990 		if (tptr == NULL) {
1991 			isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] no state pointer for lun %d", aep->at_rxid, lun);
1992 			isp_endcmd(isp, aep, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1993 			return;
1994 		}
1995 	}
1996 
1997 	/*
1998 	 * Start any commands pending resources first.
1999 	 */
2000 	if (tptr->restart_queue) {
2001 		inot_private_data_t *restart_queue = tptr->restart_queue;
2002 		tptr->restart_queue = NULL;
2003 		while (restart_queue) {
2004 			ntp = restart_queue;
2005 			restart_queue = ntp->rd.nt.nt_hba;
2006 			isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid);
2007 			isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data);
2008 			isp_put_ntpd(isp, tptr, ntp);
2009 			/*
2010 			 * If a recursion caused the restart queue to start to fill again,
2011 			 * stop and splice the new list on top of the old list and restore
2012 			 * it and go to noresrc.
2013 			 */
2014 			if (tptr->restart_queue) {
2015 				ntp = tptr->restart_queue;
2016 				tptr->restart_queue = restart_queue;
2017 				while (restart_queue->rd.nt.nt_hba) {
2018 					restart_queue = restart_queue->rd.nt.nt_hba;
2019 				}
2020 				restart_queue->rd.nt.nt_hba = ntp;
2021 				goto noresrc;
2022 			}
2023 		}
2024 	}
2025 
2026 	atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2027 	if (atiop == NULL) {
2028 		goto noresrc;
2029 	}
2030 
2031 	atp = isp_get_atpd(isp, tptr, 0);
2032 	if (atp == NULL) {
2033 		goto noresrc;
2034 	}
2035 
2036 	atp->tag = aep->at_rxid;
2037 	atp->state = ATPD_STATE_ATIO;
2038 	SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2039 	tptr->atio_count--;
2040 	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
2041 	atiop->ccb_h.target_id = FCPARAM(isp, 0)->isp_loopid;
2042 	atiop->ccb_h.target_lun = lun;
2043 
2044 	/*
2045 	 * We don't get 'suggested' sense data as we do with SCSI cards.
2046 	 */
2047 	atiop->sense_len = 0;
2048 	if (ISP_CAP_2KLOGIN(isp)) {
2049 		/*
2050 		 * NB: We could not possibly have 2K logins if we
2051 		 * NB: also did not have SCC FW.
2052 		 */
2053 		atiop->init_id = ((at2e_entry_t *)aep)->at_iid;
2054 	} else {
2055 		atiop->init_id = aep->at_iid;
2056 	}
2057 
2058 	/*
2059 	 * If we're not in the port database, add ourselves.
2060 	 */
2061 	if (!IS_2100(isp) && isp_find_pdb_by_loopid(isp, 0, atiop->init_id, &lp) == 0) {
2062 		uint64_t iid =
2063 			(((uint64_t) aep->at_wwpn[0]) << 48) |
2064 			(((uint64_t) aep->at_wwpn[1]) << 32) |
2065 			(((uint64_t) aep->at_wwpn[2]) << 16) |
2066 			(((uint64_t) aep->at_wwpn[3]) <<  0);
2067 		/*
2068 		 * However, make sure we delete ourselves if otherwise
2069 		 * we were there but at a different loop id.
2070 		 */
2071 		if (isp_find_pdb_by_wwn(isp, 0, iid, &lp)) {
2072 			isp_del_wwn_entry(isp, 0, iid, lp->handle, lp->portid);
2073 		}
2074 		isp_add_wwn_entry(isp, 0, iid, atiop->init_id, PORT_ANY);
2075 	}
2076 	atiop->cdb_len = ATIO2_CDBLEN;
2077 	ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
2078 	atiop->ccb_h.status = CAM_CDB_RECVD;
2079 	atiop->tag_id = atp->tag;
2080 	switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
2081 	case ATIO2_TC_ATTR_SIMPLEQ:
2082 		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2083 		atiop->tag_action = MSG_SIMPLE_Q_TAG;
2084 		break;
2085 	case ATIO2_TC_ATTR_HEADOFQ:
2086 		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2087 		atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2088 		break;
2089 	case ATIO2_TC_ATTR_ORDERED:
2090 		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2091 		atiop->tag_action = MSG_ORDERED_Q_TAG;
2092 		break;
2093 	case ATIO2_TC_ATTR_ACAQ:		/* ?? */
2094 	case ATIO2_TC_ATTR_UNTAGGED:
2095 	default:
2096 		atiop->tag_action = 0;
2097 		break;
2098 	}
2099 
2100 	atp->orig_datalen = aep->at_datalen;
2101 	atp->bytes_xfered = 0;
2102 	atp->last_xframt = 0;
2103 	atp->lun = lun;
2104 	atp->nphdl = atiop->init_id;
2105 	atp->sid = PORT_ANY;
2106 	atp->oxid = aep->at_oxid;
2107 	atp->cdb0 = aep->at_cdb[0];
2108 	atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK;
2109 	atp->state = ATPD_STATE_CAM;
2110 	xpt_done((union ccb *)atiop);
2111 	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);
2112 	rls_lun_statep(isp, tptr);
2113 	return;
2114 noresrc:
2115 	ntp = isp_get_ntpd(isp, tptr);
2116 	if (ntp == NULL) {
2117 		rls_lun_statep(isp, tptr);
2118 		isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
2119 		return;
2120 	}
2121 	memcpy(ntp->rd.data, aep, QENTRY_LEN);
2122 	ntp->rd.nt.nt_hba = tptr->restart_queue;
2123 	tptr->restart_queue = ntp;
2124 	rls_lun_statep(isp, tptr);
2125 }
2126 
2127 static void
2128 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep)
2129 {
2130 	int cdbxlen;
2131 	uint16_t lun, chan, nphdl = NIL_HANDLE;
2132 	uint32_t did, sid;
2133 	uint64_t wwn = INI_NONE;
2134 	fcportdb_t *lp;
2135 	tstate_t *tptr;
2136 	struct ccb_accept_tio *atiop;
2137 	atio_private_data_t *atp = NULL;
2138 	inot_private_data_t *ntp;
2139 
2140 	did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
2141 	sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2142 	lun = (aep->at_cmnd.fcp_cmnd_lun[0] << 8) | aep->at_cmnd.fcp_cmnd_lun[1];
2143 
2144 	/*
2145 	 * Find the N-port handle, and Virtual Port Index for this command.
2146 	 *
2147 	 * If we can't, we're somewhat in trouble because we can't actually respond w/o that information.
2148 	 * We also, as a matter of course, need to know the WWN of the initiator too.
2149 	 */
2150 	if (ISP_CAP_MULTI_ID(isp)) {
2151 		/*
2152 		 * Find the right channel based upon D_ID
2153 		 */
2154 		isp_find_chan_by_did(isp, did, &chan);
2155 
2156 		if (chan == ISP_NOCHAN) {
2157 			NANOTIME_T now;
2158 
2159 			/*
2160 			 * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup
2161 			 * It's a bit tricky here as we need to stash this command *somewhere*.
2162 			 */
2163 			GET_NANOTIME(&now);
2164 			if (NANOTIME_SUB(&isp->isp_init_time, &now) > 2000000000ULL) {
2165 				isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did);
2166 				isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
2167 				return;
2168 			}
2169 			tptr = get_lun_statep(isp, 0, 0);
2170 			if (tptr == NULL) {
2171 				tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
2172 				if (tptr == NULL) {
2173 					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);
2174 					isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
2175 					return;
2176 				}
2177 			}
2178 			isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did);
2179 			goto noresrc;
2180 		}
2181 		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);
2182 	} else {
2183 		chan = 0;
2184 	}
2185 
2186 	/*
2187 	 * Find the PDB entry for this initiator
2188 	 */
2189 	if (isp_find_pdb_by_sid(isp, chan, sid, &lp) == 0) {
2190 		/*
2191 		 * If we're not in the port database terminate the exchange.
2192 		 */
2193 		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",
2194 		    __func__, aep->at_rxid, did, chan, sid);
2195 		isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0);
2196 		return;
2197 	}
2198 	nphdl = lp->handle;
2199 	wwn = lp->port_wwn;
2200 
2201 	/*
2202 	 * Get the tstate pointer
2203 	 */
2204 	tptr = get_lun_statep(isp, chan, lun);
2205 	if (tptr == NULL) {
2206 		tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD);
2207 		if (tptr == NULL) {
2208 			isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] no state pointer for lun %d or wildcard", aep->at_rxid, lun);
2209 			isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
2210 			return;
2211 		}
2212 	}
2213 
2214 	/*
2215 	 * Start any commands pending resources first.
2216 	 */
2217 	if (tptr->restart_queue) {
2218 		inot_private_data_t *restart_queue = tptr->restart_queue;
2219 		tptr->restart_queue = NULL;
2220 		while (restart_queue) {
2221 			ntp = restart_queue;
2222 			restart_queue = ntp->rd.nt.nt_hba;
2223 			isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid);
2224 			isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data);
2225 			isp_put_ntpd(isp, tptr, ntp);
2226 			/*
2227 			 * If a recursion caused the restart queue to start to fill again,
2228 			 * stop and splice the new list on top of the old list and restore
2229 			 * it and go to noresrc.
2230 			 */
2231 			if (tptr->restart_queue) {
2232 				if (restart_queue) {
2233 					ntp = tptr->restart_queue;
2234 					tptr->restart_queue = restart_queue;
2235 					while (restart_queue->rd.nt.nt_hba) {
2236 						restart_queue = restart_queue->rd.nt.nt_hba;
2237 					}
2238 					restart_queue->rd.nt.nt_hba = ntp;
2239 				}
2240 				goto noresrc;
2241 			}
2242 		}
2243 	}
2244 
2245 	/*
2246 	 * If the f/w is out of resources, just send a BUSY status back.
2247 	 */
2248 	if (aep->at_rxid == AT7_NORESRC_RXID) {
2249 		rls_lun_statep(isp, tptr);
2250 		isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
2251 		return;
2252 	}
2253 
2254 	/*
2255 	 * If we're out of resources, just send a BUSY status back.
2256 	 */
2257 	atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2258 	if (atiop == NULL) {
2259 		isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid);
2260 		goto noresrc;
2261 	}
2262 
2263 	atp = isp_get_atpd(isp, tptr, 0);
2264 	if (atp == NULL) {
2265 		isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid);
2266 		goto noresrc;
2267 	}
2268 	if (isp_get_atpd(isp, tptr, aep->at_rxid)) {
2269 		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",
2270 		    aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id);
2271 		/*
2272 		 * It's not a "no resource" condition- but we can treat it like one
2273 		 */
2274 		goto noresrc;
2275 	}
2276 
2277 	atp->tag = aep->at_rxid;
2278 	atp->state = ATPD_STATE_ATIO;
2279 	SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2280 	tptr->atio_count--;
2281 	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
2282 	atiop->init_id = nphdl;
2283 	atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid;
2284 	atiop->ccb_h.target_lun = lun;
2285 	atiop->sense_len = 0;
2286 	cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT;
2287 	if (cdbxlen) {
2288 		isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored");
2289 	}
2290 	cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb);
2291 	ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen);
2292 	atiop->cdb_len = cdbxlen;
2293 	atiop->ccb_h.status = CAM_CDB_RECVD;
2294 	atiop->tag_id = atp->tag;
2295 	switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) {
2296 	case FCP_CMND_TASK_ATTR_SIMPLE:
2297 		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2298 		atiop->tag_action = MSG_SIMPLE_Q_TAG;
2299 		break;
2300 	case FCP_CMND_TASK_ATTR_HEAD:
2301 		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2302 		atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2303 		break;
2304 	case FCP_CMND_TASK_ATTR_ORDERED:
2305 		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2306 		atiop->tag_action = MSG_ORDERED_Q_TAG;
2307 		break;
2308 	default:
2309 		/* FALLTHROUGH */
2310 	case FCP_CMND_TASK_ATTR_ACA:
2311 	case FCP_CMND_TASK_ATTR_UNTAGGED:
2312 		atiop->tag_action = 0;
2313 		break;
2314 	}
2315 	atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
2316 	atp->bytes_xfered = 0;
2317 	atp->last_xframt = 0;
2318 	atp->lun = lun;
2319 	atp->nphdl = nphdl;
2320 	atp->portid = sid;
2321 	atp->oxid = aep->at_hdr.ox_id;
2322 	atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
2323 	atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK;
2324 	atp->state = ATPD_STATE_CAM;
2325 	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);
2326 	xpt_done((union ccb *)atiop);
2327 	rls_lun_statep(isp, tptr);
2328 	return;
2329 noresrc:
2330 	if (atp) {
2331 		isp_put_atpd(isp, tptr, atp);
2332 	}
2333 	ntp = isp_get_ntpd(isp, tptr);
2334 	if (ntp == NULL) {
2335 		rls_lun_statep(isp, tptr);
2336 		isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
2337 		return;
2338 	}
2339 	memcpy(ntp->rd.data, aep, QENTRY_LEN);
2340 	ntp->rd.nt.nt_hba = tptr->restart_queue;
2341 	tptr->restart_queue = ntp;
2342 	rls_lun_statep(isp, tptr);
2343 }
2344 
2345 static void
2346 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg)
2347 {
2348 	union ccb *ccb;
2349 	int sentstatus, ok, notify_cam, resid = 0;
2350 	tstate_t *tptr = NULL;
2351 	atio_private_data_t *atp = NULL;
2352 	int bus;
2353 	uint32_t tval, handle;
2354 
2355 	/*
2356 	 * CTIO handles are 16 bits.
2357 	 * CTIO2 and CTIO7 are 32 bits.
2358 	 */
2359 
2360 	if (IS_SCSI(isp)) {
2361 		handle = ((ct_entry_t *)arg)->ct_syshandle;
2362 	} else {
2363 		handle = ((ct2_entry_t *)arg)->ct_syshandle;
2364 	}
2365 	ccb = isp_find_xs_tgt(isp, handle);
2366 	if (ccb == NULL) {
2367 		isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg);
2368 		return;
2369 	}
2370 	isp_destroy_tgt_handle(isp, handle);
2371 	bus = XS_CHANNEL(ccb);
2372 	tptr = get_lun_statep(isp, bus, XS_LUN(ccb));
2373 	if (tptr == NULL) {
2374 		tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
2375 	}
2376 	KASSERT((tptr != NULL), ("cannot get state pointer"));
2377 	if (isp->isp_nactive) {
2378 		isp->isp_nactive++;
2379 	}
2380 	if (IS_24XX(isp)) {
2381 		ct7_entry_t *ct = arg;
2382 
2383 		atp = isp_get_atpd(isp, tptr, ct->ct_rxid);
2384 		if (atp == NULL) {
2385 			rls_lun_statep(isp, tptr);
2386 			isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ct->ct_rxid);
2387 			return;
2388 		}
2389 
2390 		sentstatus = ct->ct_flags & CT7_SENDSTATUS;
2391 		ok = (ct->ct_nphdl == CT7_OK);
2392 		if (ok && sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) {
2393 			ccb->ccb_h.status |= CAM_SENT_SENSE;
2394 		}
2395 		notify_cam = ct->ct_header.rqs_seqno & 0x1;
2396 		if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) {
2397 			resid = ct->ct_resid;
2398 			atp->bytes_xfered += (atp->last_xframt - resid);
2399 			atp->last_xframt = 0;
2400 		}
2401 		if (ct->ct_nphdl == CT_HBA_RESET) {
2402 			ok = 0;
2403 			notify_cam = 1;
2404 			sentstatus = 1;
2405 			ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2406 		} else if (!ok) {
2407 			ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2408 		}
2409 		tval = atp->tag;
2410 		isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO7[%x] sts 0x%x flg 0x%x sns %d resid %d %s", __func__,
2411 		    ct->ct_rxid, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2412 		atp->state = ATPD_STATE_PDON; /* XXX: should really come after isp_complete_ctio */
2413 	} else if (IS_FC(isp)) {
2414 		ct2_entry_t *ct = arg;
2415 
2416 		atp = isp_get_atpd(isp, tptr, ct->ct_rxid);
2417 		if (atp == NULL) {
2418 			rls_lun_statep(isp, tptr);
2419 			isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ct->ct_rxid);
2420 			return;
2421 		}
2422 		sentstatus = ct->ct_flags & CT2_SENDSTATUS;
2423 		ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2424 		if (ok && sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) {
2425 			ccb->ccb_h.status |= CAM_SENT_SENSE;
2426 		}
2427 		notify_cam = ct->ct_header.rqs_seqno & 0x1;
2428 		if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) {
2429 			resid = ct->ct_resid;
2430 			atp->bytes_xfered += (atp->last_xframt - resid);
2431 			atp->last_xframt = 0;
2432 		}
2433 		if (ct->ct_status == CT_HBA_RESET) {
2434 			ok = 0;
2435 			notify_cam = 1;
2436 			sentstatus = 1;
2437 			ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2438 		} else if (!ok) {
2439 			ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2440 		}
2441 		isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO2[%x] sts 0x%x flg 0x%x sns %d resid %d %s", __func__,
2442 		    ct->ct_rxid, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2443 		tval = atp->tag;
2444 		atp->state = ATPD_STATE_PDON; /* XXX: should really come after isp_complete_ctio */
2445 	} else {
2446 		ct_entry_t *ct = arg;
2447 		sentstatus = ct->ct_flags & CT_SENDSTATUS;
2448 		ok = (ct->ct_status  & ~QLTM_SVALID) == CT_OK;
2449 		/*
2450 		 * We *ought* to be able to get back to the original ATIO
2451 		 * here, but for some reason this gets lost. It's just as
2452 		 * well because it's squirrelled away as part of periph
2453 		 * private data.
2454 		 *
2455 		 * We can live without it as long as we continue to use
2456 		 * the auto-replenish feature for CTIOs.
2457 		 */
2458 		notify_cam = ct->ct_header.rqs_seqno & 0x1;
2459 		if (ct->ct_status == (CT_HBA_RESET & 0xff)) {
2460 			ok = 0;
2461 			notify_cam = 1;
2462 			sentstatus = 1;
2463 			ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2464 		} else if (!ok) {
2465 			ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2466 		} else if (ct->ct_status & QLTM_SVALID) {
2467 			char *sp = (char *)ct;
2468 			sp += CTIO_SENSE_OFFSET;
2469 			ccb->csio.sense_len = min(sizeof (ccb->csio.sense_data), QLTM_SENSELEN);
2470 			ISP_MEMCPY(&ccb->csio.sense_data, sp, ccb->csio.sense_len);
2471 			ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
2472 		}
2473 		if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) {
2474 			resid = ct->ct_resid;
2475 		}
2476 		isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] tag %x S_ID 0x%x lun %d sts %x flg %x resid %d %s", __func__,
2477 		    ct->ct_fwhandle, ct->ct_tag_val, ct->ct_iid, ct->ct_lun, ct->ct_status, ct->ct_flags, resid, sentstatus? "FIN" : "MID");
2478 		tval = ct->ct_fwhandle;
2479 	}
2480 	ccb->csio.resid += resid;
2481 
2482 	/*
2483 	 * We're here either because intermediate data transfers are done
2484 	 * and/or the final status CTIO (which may have joined with a
2485 	 * Data Transfer) is done.
2486 	 *
2487 	 * In any case, for this platform, the upper layers figure out
2488 	 * what to do next, so all we do here is collect status and
2489 	 * pass information along. Any DMA handles have already been
2490 	 * freed.
2491 	 */
2492 	if (notify_cam == 0) {
2493 		isp_prt(isp, ISP_LOGTDEBUG0, "  INTER CTIO[0x%x] done", tval);
2494 		return;
2495 	}
2496 	if (tptr) {
2497 		rls_lun_statep(isp, tptr);
2498 	}
2499 	isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done", (sentstatus)? "  FINAL " : "MIDTERM ", tval);
2500 
2501 	if (!ok && !IS_24XX(isp)) {
2502 		isp_target_putback_atio(ccb);
2503 	} else {
2504 		isp_complete_ctio(ccb);
2505 	}
2506 }
2507 
2508 static void
2509 isp_handle_platform_notify_scsi(ispsoftc_t *isp, in_entry_t *inot)
2510 {
2511 	(void) isp_notify_ack(isp, inot);
2512 }
2513 
2514 static void
2515 isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp)
2516 {
2517 	int needack = 1;
2518 	switch (inp->in_status) {
2519 	case IN_PORT_LOGOUT:
2520 		/*
2521 		 * XXX: Need to delete this initiator's WWN from the database
2522 		 * XXX: Need to send this LOGOUT upstream
2523 		 */
2524 		isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid);
2525 		break;
2526 	case IN_PORT_CHANGED:
2527 		isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid);
2528 		break;
2529 	case IN_GLOBAL_LOGO:
2530 		isp_del_all_wwn_entries(isp, 0);
2531 		isp_prt(isp, ISP_LOGINFO, "all ports logged out");
2532 		break;
2533 	case IN_ABORT_TASK:
2534 	{
2535 		tstate_t *tptr;
2536 		uint16_t lun;
2537 		uint32_t loopid;
2538 		uint64_t wwn;
2539 		atio_private_data_t *atp;
2540 		fcportdb_t *lp;
2541 		struct ccb_immediate_notify *inot = NULL;
2542 
2543 		if (ISP_CAP_SCCFW(isp)) {
2544 			lun = inp->in_scclun;
2545 		} else {
2546 			lun = inp->in_lun;
2547 		}
2548 		if (ISP_CAP_2KLOGIN(isp)) {
2549 			loopid = ((in_fcentry_e_t *)inp)->in_iid;
2550 		} else {
2551 			loopid = inp->in_iid;
2552 		}
2553 		if (isp_find_pdb_by_loopid(isp, 0, loopid, &lp)) {
2554 			wwn = lp->port_wwn;
2555 		} else {
2556 			wwn = INI_ANY;
2557 		}
2558 		tptr = get_lun_statep(isp, 0, lun);
2559 		if (tptr == NULL) {
2560 			tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
2561 			if (tptr == NULL) {
2562 				isp_prt(isp, ISP_LOGWARN, "ABORT TASK for lun %u- but no tstate", lun);
2563 				return;
2564 			}
2565 		}
2566 		atp = isp_get_atpd(isp, tptr, inp->in_seqid);
2567 
2568 		if (atp) {
2569 			inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
2570 			isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx state %d", inp->in_seqid, (unsigned long long) wwn, atp->state);
2571 			if (inot) {
2572 				tptr->inot_count--;
2573 				SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
2574 				ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
2575 			} else {
2576 				ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "out of INOT structures\n");
2577 			}
2578 		} else {
2579 			ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "abort task RX_ID %x from wwn 0x%016llx, state unknown\n", inp->in_seqid, wwn);
2580 		}
2581 		if (inot) {
2582 			isp_notify_t tmp, *nt = &tmp;
2583 			ISP_MEMZERO(nt, sizeof (isp_notify_t));
2584 			nt->nt_hba = isp;
2585 			nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn;
2586 			nt->nt_wwn = wwn;
2587 			nt->nt_nphdl = loopid;
2588 			nt->nt_sid = PORT_ANY;
2589 			nt->nt_did = PORT_ANY;
2590 			nt->nt_lun = lun;
2591 			nt->nt_need_ack = 1;
2592 			nt->nt_channel = 0;
2593 			nt->nt_ncode = NT_ABORT_TASK;
2594 			nt->nt_lreserved = inot;
2595 			isp_handle_platform_target_tmf(isp, nt);
2596 			needack = 0;
2597 		}
2598 		rls_lun_statep(isp, tptr);
2599 		break;
2600 	}
2601 	default:
2602 		break;
2603 	}
2604 	if (needack) {
2605 		(void) isp_notify_ack(isp, inp);
2606 	}
2607 }
2608 
2609 static void
2610 isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot)
2611 {
2612 	uint16_t nphdl;
2613 	uint32_t portid;
2614 	fcportdb_t *lp;
2615 	uint8_t *ptr = NULL;
2616 	uint64_t wwn;
2617 
2618 	nphdl = inot->in_nphdl;
2619 	if (nphdl != NIL_HANDLE) {
2620 		portid = inot->in_portid_hi << 16 | inot->in_portid_lo;
2621 	} else {
2622 		portid = PORT_ANY;
2623 	}
2624 
2625 	switch (inot->in_status) {
2626 	case IN24XX_ELS_RCVD:
2627 	{
2628 		char buf[16], *msg;
2629 		int chan = ISP_GET_VPIDX(isp, inot->in_vpidx);
2630 
2631 		/*
2632 		 * Note that we're just getting notification that an ELS was received
2633 		 * (possibly with some associated information sent upstream). This is
2634 		 * *not* the same as being given the ELS frame to accept or reject.
2635 		 */
2636 		switch (inot->in_status_subcode) {
2637 		case LOGO:
2638 			msg = "LOGO";
2639 			if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) {
2640 				ptr = (uint8_t *)inot;  /* point to unswizzled entry! */
2641 				wwn =	(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF])   << 56) |
2642 					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+1]) << 48) |
2643 					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+2]) << 40) |
2644 					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+3]) << 32) |
2645 					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+4]) << 24) |
2646 					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+5]) << 16) |
2647 					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+6]) <<  8) |
2648 					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+7]));
2649 			} else {
2650 				wwn = INI_ANY;
2651 			}
2652 			isp_del_wwn_entry(isp, chan, wwn, nphdl, portid);
2653 			break;
2654 		case PRLO:
2655 			msg = "PRLO";
2656 			break;
2657 		case PLOGI:
2658 		case PRLI:
2659 			/*
2660 			 * Treat PRLI the same as PLOGI and make a database entry for it.
2661 			 */
2662 			if (inot->in_status_subcode == PLOGI)
2663 				msg = "PLOGI";
2664 			else
2665 				msg = "PRLI";
2666 			if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) {
2667 				ptr = (uint8_t *)inot;  /* point to unswizzled entry! */
2668 				wwn =	(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF])   << 56) |
2669 					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+1]) << 48) |
2670 					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+2]) << 40) |
2671 					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+3]) << 32) |
2672 					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+4]) << 24) |
2673 					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+5]) << 16) |
2674 					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+6]) <<  8) |
2675 					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+7]));
2676 			} else {
2677 				wwn = INI_NONE;
2678 			}
2679 			isp_add_wwn_entry(isp, chan, wwn, nphdl, portid);
2680 			break;
2681 		case PDISC:
2682 			msg = "PDISC";
2683 			break;
2684 		case ADISC:
2685 			msg = "ADISC";
2686 			break;
2687 		default:
2688 			ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode);
2689 			msg = buf;
2690 			break;
2691 		}
2692 		if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) {
2693 			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);
2694 			break;
2695 		}
2696 		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,
2697 		    inot->in_rxid, inot->in_oxid);
2698 		(void) isp_notify_ack(isp, inot);
2699 		break;
2700 	}
2701 
2702 	case IN24XX_PORT_LOGOUT:
2703 		ptr = "PORT LOGOUT";
2704 		if (isp_find_pdb_by_loopid(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) {
2705 			isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid);
2706 		}
2707 		/* FALLTHROUGH */
2708 	case IN24XX_PORT_CHANGED:
2709 		if (ptr == NULL) {
2710 			ptr = "PORT CHANGED";
2711 		}
2712 		/* FALLTHROUGH */
2713 	case IN24XX_LIP_RESET:
2714 		if (ptr == NULL) {
2715 			ptr = "LIP RESET";
2716 		}
2717 		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);
2718 
2719 		/*
2720 		 * All subcodes here are irrelevant. What is relevant
2721 		 * is that we need to terminate all active commands from
2722 		 * this initiator (known by N-port handle).
2723 		 */
2724 		/* XXX IMPLEMENT XXX */
2725 		(void) isp_notify_ack(isp, inot);
2726 		break;
2727 
2728 	case IN24XX_LINK_RESET:
2729 	case IN24XX_LINK_FAILED:
2730 	case IN24XX_SRR_RCVD:
2731 	default:
2732 		(void) isp_notify_ack(isp, inot);
2733 		break;
2734 	}
2735 }
2736 
2737 static int
2738 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp)
2739 {
2740 
2741 	if (isp->isp_state != ISP_RUNSTATE) {
2742 		isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL);
2743 		return (0);
2744 	}
2745 
2746 	/*
2747 	 * This case is for a Task Management Function, which shows up as an ATIO7 entry.
2748 	 */
2749 	if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) {
2750 		ct7_entry_t local, *cto = &local;
2751 		at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved;
2752 		fcportdb_t *lp;
2753 		uint32_t sid;
2754 		uint16_t nphdl;
2755 
2756 		sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2757 		if (isp_find_pdb_by_sid(isp, mp->nt_channel, sid, &lp)) {
2758 			nphdl = lp->handle;
2759 		} else {
2760 			nphdl = NIL_HANDLE;
2761 		}
2762 		ISP_MEMZERO(&local, sizeof (local));
2763 		cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2764 		cto->ct_header.rqs_entry_count = 1;
2765 		cto->ct_nphdl = nphdl;
2766 		cto->ct_rxid = aep->at_rxid;
2767 		cto->ct_vpidx = mp->nt_channel;
2768 		cto->ct_iid_lo = sid;
2769 		cto->ct_iid_hi = sid >> 16;
2770 		cto->ct_oxid = aep->at_hdr.ox_id;
2771 		cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1;
2772 		cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT;
2773 		return (isp_target_put_entry(isp, &local));
2774 	}
2775 
2776 	/*
2777 	 * This case is for a responding to an ABTS frame
2778 	 */
2779 	if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2780 
2781 		/*
2782 		 * Overload nt_need_ack here to mark whether we've terminated the associated command.
2783 		 */
2784 		if (mp->nt_need_ack) {
2785 			uint8_t storage[QENTRY_LEN];
2786 			ct7_entry_t *cto = (ct7_entry_t *) storage;
2787 			abts_t *abts = (abts_t *)mp->nt_lreserved;
2788 
2789 			ISP_MEMZERO(cto, sizeof (ct7_entry_t));
2790 			isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task);
2791 			cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2792 			cto->ct_header.rqs_entry_count = 1;
2793 			cto->ct_nphdl = mp->nt_nphdl;
2794 			cto->ct_rxid = abts->abts_rxid_task;
2795 			cto->ct_iid_lo = mp->nt_sid;
2796 			cto->ct_iid_hi = mp->nt_sid >> 16;
2797 			cto->ct_oxid = abts->abts_ox_id;
2798 			cto->ct_vpidx = mp->nt_channel;
2799 			cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
2800 			if (isp_target_put_entry(isp, cto)) {
2801 				return (ENOMEM);
2802 			}
2803 			mp->nt_need_ack = 0;
2804 		}
2805 		if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) {
2806 			return (ENOMEM);
2807 		} else {
2808 			return (0);
2809 		}
2810 	}
2811 
2812 	/*
2813 	 * Handle logout cases here
2814 	 */
2815 	if (mp->nt_ncode == NT_GLOBAL_LOGOUT) {
2816 		isp_del_all_wwn_entries(isp, mp->nt_channel);
2817 	}
2818 
2819 	if (mp->nt_ncode == NT_LOGOUT) {
2820 		if (!IS_2100(isp) && IS_FC(isp)) {
2821 			isp_del_wwn_entries(isp, mp);
2822 		}
2823 	}
2824 
2825 	/*
2826 	 * General purpose acknowledgement
2827 	 */
2828 	if (mp->nt_need_ack) {
2829 		isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL);
2830 		return (isp_notify_ack(isp, mp->nt_lreserved));
2831 	}
2832 	return (0);
2833 }
2834 
2835 /*
2836  * Handle task management functions.
2837  *
2838  * We show up here with a notify structure filled out.
2839  *
2840  * The nt_lreserved tag points to the original queue entry
2841  */
2842 static void
2843 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify)
2844 {
2845 	tstate_t *tptr;
2846 	fcportdb_t *lp;
2847 	struct ccb_immediate_notify *inot;
2848 	inot_private_data_t *ntp = NULL;
2849 	lun_id_t lun;
2850 
2851 	isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid  0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode,
2852 	    notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun);
2853 	/*
2854 	 * NB: This assignment is necessary because of tricky type conversion.
2855 	 * XXX: This is tricky and I need to check this. If the lun isn't known
2856 	 * XXX: for the task management function, it does not of necessity follow
2857 	 * XXX: that it should go up stream to the wildcard listener.
2858 	 */
2859 	if (notify->nt_lun == LUN_ANY) {
2860 		lun = CAM_LUN_WILDCARD;
2861 	} else {
2862 		lun = notify->nt_lun;
2863 	}
2864 	tptr = get_lun_statep(isp, notify->nt_channel, lun);
2865 	if (tptr == NULL) {
2866 		tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD);
2867 		if (tptr == NULL) {
2868 			isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
2869 			goto bad;
2870 		}
2871 	}
2872 	inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
2873 	if (inot == NULL) {
2874 		isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
2875 		goto bad;
2876 	}
2877 
2878 	if (isp_find_pdb_by_sid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0) {
2879 		inot->initiator_id = CAM_TARGET_WILDCARD;
2880 	} else {
2881 		inot->initiator_id = lp->handle;
2882 	}
2883 	inot->seq_id = notify->nt_tagval;
2884 	inot->tag_id = notify->nt_tagval >> 32;
2885 
2886 	switch (notify->nt_ncode) {
2887 	case NT_ABORT_TASK:
2888 		isp_target_mark_aborted_early(isp, tptr, inot->tag_id);
2889 		inot->arg = MSG_ABORT_TASK;
2890 		break;
2891 	case NT_ABORT_TASK_SET:
2892 		isp_target_mark_aborted_early(isp, tptr, TAG_ANY);
2893 		inot->arg = MSG_ABORT_TASK_SET;
2894 		break;
2895 	case NT_CLEAR_ACA:
2896 		inot->arg = MSG_CLEAR_ACA;
2897 		break;
2898 	case NT_CLEAR_TASK_SET:
2899 		inot->arg = MSG_CLEAR_TASK_SET;
2900 		break;
2901 	case NT_LUN_RESET:
2902 		inot->arg = MSG_LOGICAL_UNIT_RESET;
2903 		break;
2904 	case NT_TARGET_RESET:
2905 		inot->arg = MSG_TARGET_RESET;
2906 		break;
2907 	default:
2908 		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);
2909 		goto bad;
2910 	}
2911 
2912 	ntp = isp_get_ntpd(isp, tptr);
2913 	if (ntp == NULL) {
2914 		isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__);
2915 		goto bad;
2916 	}
2917 	ISP_MEMCPY(&ntp->rd.nt, notify, sizeof (isp_notify_t));
2918 	if (notify->nt_lreserved) {
2919 		ISP_MEMCPY(&ntp->rd.data, notify->nt_lreserved, QENTRY_LEN);
2920 		ntp->rd.nt.nt_lreserved = &ntp->rd.data;
2921 	}
2922 	ntp->rd.seq_id = notify->nt_tagval;
2923 	ntp->rd.tag_id = notify->nt_tagval >> 32;
2924 
2925 	tptr->inot_count--;
2926 	SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
2927 	rls_lun_statep(isp, tptr);
2928 	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
2929 	inot->ccb_h.status = CAM_MESSAGE_RECV;
2930 	xpt_done((union ccb *)inot);
2931 	return;
2932 bad:
2933 	if (tptr) {
2934 		rls_lun_statep(isp, tptr);
2935 	}
2936 	if (notify->nt_need_ack && notify->nt_lreserved) {
2937 		if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2938 			(void) isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM);
2939 		} else {
2940 			(void) isp_notify_ack(isp, notify->nt_lreserved);
2941 		}
2942 	}
2943 }
2944 
2945 /*
2946  * Find the associated private data and mark it as dead so
2947  * we don't try to work on it any further.
2948  */
2949 static void
2950 isp_target_mark_aborted(ispsoftc_t *isp, union ccb *ccb)
2951 {
2952 	tstate_t *tptr;
2953 	atio_private_data_t *atp;
2954 
2955 	tptr = get_lun_statep(isp, XS_CHANNEL(ccb), XS_LUN(ccb));
2956 	if (tptr == NULL) {
2957 		tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
2958 		if (tptr == NULL) {
2959 			ccb->ccb_h.status = CAM_REQ_INVALID;
2960 			return;
2961 		}
2962 	}
2963 
2964 	atp = isp_get_atpd(isp, tptr, ccb->atio.tag_id);
2965 	if (atp == NULL) {
2966 		ccb->ccb_h.status = CAM_REQ_INVALID;
2967 		return;
2968 	}
2969 	atp->dead = 1;
2970 	ccb->ccb_h.status = CAM_REQ_CMP;
2971 }
2972 
2973 static void
2974 isp_target_mark_aborted_early(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id)
2975 {
2976 	atio_private_data_t *atp;
2977 	inot_private_data_t *restart_queue = tptr->restart_queue;
2978 
2979 	/*
2980 	 * First, clean any commands pending restart
2981 	 */
2982 	tptr->restart_queue = NULL;
2983 	while (restart_queue) {
2984 		uint32_t this_tag_id;
2985 		inot_private_data_t *ntp = restart_queue;
2986 
2987 		restart_queue = ntp->rd.nt.nt_hba;
2988 
2989 		if (IS_24XX(isp)) {
2990 			this_tag_id = ((at7_entry_t *)ntp->rd.data)->at_rxid;
2991 		} else {
2992 			this_tag_id = ((at2_entry_t *)ntp->rd.data)->at_rxid;
2993 		}
2994 		if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) {
2995 			isp_put_ntpd(isp, tptr, ntp);
2996 		} else {
2997 			ntp->rd.nt.nt_hba = tptr->restart_queue;
2998 			tptr->restart_queue = ntp;
2999 		}
3000 	}
3001 
3002 	/*
3003 	 * Now mark other ones dead as well.
3004 	 */
3005 	for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
3006 		if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) {
3007 			atp->dead = 1;
3008 		}
3009 	}
3010 }
3011 
3012 
3013 #ifdef	ISP_INTERNAL_TARGET
3014 // #define	ISP_FORCE_TIMEOUT		1
3015 // #define	ISP_TEST_WWNS			1
3016 // #define	ISP_TEST_SEPARATE_STATUS	1
3017 
3018 #define	ccb_data_offset		ppriv_field0
3019 #define	ccb_atio		ppriv_ptr1
3020 #define	ccb_inot		ppriv_ptr1
3021 
3022 #define	MAX_ISP_TARG_TRANSFER	(2 << 20)
3023 #define	NISP_TARG_CMDS		1024
3024 #define	NISP_TARG_NOTIFIES	1024
3025 #define	DISK_SHIFT		9
3026 #define	JUNK_SIZE		256
3027 
3028 #ifndef	VERIFY_10
3029 #define	VERIFY_10	0x2f
3030 #endif
3031 
3032 TAILQ_HEAD(ccb_queue, ccb_hdr);
3033 extern u_int vm_kmem_size;
3034 static int ca;
3035 static uint32_t disk_size;
3036 static uint8_t *disk_data = NULL;
3037 static uint8_t *junk_data;
3038 static MALLOC_DEFINE(M_ISPTARG, "ISPTARG", "ISP TARGET data");
3039 struct isptarg_softc {
3040 	/* CCBs (CTIOs, ATIOs, INOTs) pending on the controller */
3041 	struct ccb_queue	work_queue;
3042 	struct ccb_queue	rework_queue;
3043 	struct ccb_queue	running_queue;
3044 	struct ccb_queue	inot_queue;
3045 	struct cam_periph       *periph;
3046 	struct cam_path	 	*path;
3047 	ispsoftc_t		*isp;
3048 };
3049 static periph_ctor_t	isptargctor;
3050 static periph_dtor_t	isptargdtor;
3051 static periph_start_t	isptargstart;
3052 static periph_init_t	isptarginit;
3053 static void		isptarg_done(struct cam_periph *, union ccb *);
3054 static void		isptargasync(void *, u_int32_t, struct cam_path *, void *);
3055 
3056 
3057 static int isptarg_rwparm(uint8_t *, uint8_t *, uint64_t, uint32_t, uint8_t **, uint32_t *, int *);
3058 
3059 static struct periph_driver isptargdriver =
3060 {
3061 	isptarginit, "isptarg", TAILQ_HEAD_INITIALIZER(isptargdriver.units), /* generation */ 0
3062 };
3063 
3064 static void
3065 isptarginit(void)
3066 {
3067 }
3068 
3069 static void
3070 isptargnotify(ispsoftc_t *isp, union ccb *iccb, struct ccb_immediate_notify *inot)
3071 {
3072 	struct ccb_notify_acknowledge *ack = &iccb->cna2;
3073 
3074 	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__,
3075 	    inot->tag_id, inot->initiator_id, inot->seq_id, inot->ccb_h.status, inot->arg);
3076 	ack->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE;
3077 	ack->ccb_h.flags = 0;
3078 	ack->ccb_h.retry_count = 0;
3079 	ack->ccb_h.cbfcnp = isptarg_done;
3080 	ack->ccb_h.timeout = 0;
3081 	ack->ccb_h.ccb_inot = inot;
3082 	ack->tag_id = inot->tag_id;
3083 	ack->seq_id = inot->seq_id;
3084 	ack->initiator_id = inot->initiator_id;
3085 	xpt_action(iccb);
3086 }
3087 
3088 static void
3089 isptargstart(struct cam_periph *periph, union ccb *iccb)
3090 {
3091 	const uint8_t niliqd[SHORT_INQUIRY_LENGTH] = {
3092 		0x7f, 0x0, 0x5, 0x2, 32, 0, 0, 0x32,
3093 		'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ',
3094 		'S', 'C', 'S', 'I', ' ', 'N', 'U', 'L',
3095 		'L', ' ', 'D', 'E', 'V', 'I', 'C', 'E',
3096 		'0', '0', '0', '1'
3097 	};
3098 	const uint8_t iqd[SHORT_INQUIRY_LENGTH] = {
3099 		0, 0x0, 0x5, 0x2, 32, 0, 0, 0x32,
3100 		'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ',
3101 		'S', 'C', 'S', 'I', ' ', 'M', 'E', 'M',
3102 		'O', 'R', 'Y', ' ', 'D', 'I', 'S', 'K',
3103 		'0', '0', '0', '1'
3104 	};
3105 	int i, more = 0, last;
3106 	struct isptarg_softc *softc = periph->softc;
3107 	struct ccb_scsiio *csio;
3108 	lun_id_t return_lun;
3109 	struct ccb_accept_tio *atio;
3110 	uint8_t *cdb, *ptr, status;
3111 	uint8_t *data_ptr;
3112 	uint32_t data_len, flags;
3113 	struct ccb_hdr *ccbh;
3114 
3115 	KKASSERT(lockstatus(periph->sim->mtx, curthread) != 0);
3116 	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,
3117 	    TAILQ_FIRST(&softc->inot_queue)? 'y' : 'n', TAILQ_FIRST(&softc->work_queue)? 'y' : 'n', TAILQ_FIRST(&softc->rework_queue)? 'y' : 'n');
3118 	/*
3119 	 * Check for immediate notifies first
3120 	 */
3121 	ccbh = TAILQ_FIRST(&softc->inot_queue);
3122 	if (ccbh) {
3123 		TAILQ_REMOVE(&softc->inot_queue, ccbh, periph_links.tqe);
3124 		if (TAILQ_FIRST(&softc->inot_queue) || TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue)) {
3125 			xpt_schedule(periph, 1);
3126 		}
3127 		isptargnotify(softc->isp, iccb, (struct ccb_immediate_notify *)ccbh);
3128 		return;
3129 	}
3130 
3131 	/*
3132 	 * Check the rework (continuation) work queue first.
3133 	 */
3134 	ccbh = TAILQ_FIRST(&softc->rework_queue);
3135 	if (ccbh) {
3136 		atio = (struct ccb_accept_tio *)ccbh;
3137 		TAILQ_REMOVE(&softc->rework_queue, ccbh, periph_links.tqe);
3138 		more = TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue);
3139 	} else {
3140 		ccbh = TAILQ_FIRST(&softc->work_queue);
3141 		if (ccbh == NULL) {
3142 			ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, iccb->ccb_h.path, "%s: woken up but no work?\n", __func__);
3143 			xpt_release_ccb(iccb);
3144 			return;
3145 		}
3146 		atio = (struct ccb_accept_tio *)ccbh;
3147 		TAILQ_REMOVE(&softc->work_queue, ccbh, periph_links.tqe);
3148 		more = TAILQ_FIRST(&softc->work_queue) != NULL;
3149 		atio->ccb_h.ccb_data_offset = 0;
3150 	}
3151 
3152 	if (atio->tag_id == 0xffffffff || atio->ccb_h.func_code != XPT_ACCEPT_TARGET_IO) {
3153 		panic("BAD ATIO");
3154 	}
3155 
3156 	data_ptr = NULL;
3157 	data_len = 0;
3158 	csio = &iccb->csio;
3159 	status = SCSI_STATUS_OK;
3160 	flags = CAM_SEND_STATUS;
3161 	memset(&atio->sense_data, 0, sizeof (atio->sense_data));
3162 	cdb = atio->cdb_io.cdb_bytes;
3163 	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,
3164 	    cdb[0], atio->ccb_h.ccb_data_offset);
3165 
3166 	return_lun = XS_LUN(atio);
3167 	if (return_lun != 0) {
3168 		xpt_print(atio->ccb_h.path, "[0x%x] Non-Zero Lun %d: cdb0=0x%x\n", atio->tag_id, return_lun, cdb[0]);
3169 		if (cdb[0] != INQUIRY && cdb[0] != REPORT_LUNS && cdb[0] != REQUEST_SENSE) {
3170 			status = SCSI_STATUS_CHECK_COND;
3171 			atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_ILLEGAL_REQUEST;
3172 			atio->sense_data.add_sense_code = 0x25;
3173 			atio->sense_data.add_sense_code_qual = 0x0;
3174 			atio->sense_len = sizeof (atio->sense_data);
3175 		}
3176 		return_lun = CAM_LUN_WILDCARD;
3177 	}
3178 
3179 	switch (cdb[0]) {
3180 	case REQUEST_SENSE:
3181 		flags |= CAM_DIR_IN;
3182 		data_len = sizeof (atio->sense_data);
3183 		junk_data[0] = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_NO_SENSE;
3184 		memset(junk_data+1, 0, data_len-1);
3185 		if (data_len > cdb[4]) {
3186 			data_len = cdb[4];
3187 		}
3188 		if (data_len) {
3189 			data_ptr = junk_data;
3190 		}
3191 		break;
3192 	case READ_6:
3193 	case READ_10:
3194 	case READ_12:
3195 	case READ_16:
3196 		if (isptarg_rwparm(cdb, disk_data, disk_size, atio->ccb_h.ccb_data_offset, &data_ptr, &data_len, &last)) {
3197 			status = SCSI_STATUS_CHECK_COND;
3198 			atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3199 			atio->sense_data.add_sense_code = 0x5;
3200 			atio->sense_data.add_sense_code_qual = 0x24;
3201 			atio->sense_len = sizeof (atio->sense_data);
3202 		} else {
3203 #ifdef	ISP_FORCE_TIMEOUT
3204 			{
3205 				static int foo;
3206 				if (foo++ == 500) {
3207 					if (more) {
3208 						xpt_schedule(periph, 1);
3209 					}
3210 					foo = 0;
3211 					return;
3212 				}
3213 			}
3214 #endif
3215 #ifdef	ISP_TEST_SEPARATE_STATUS
3216 			if (last && data_len) {
3217 				last = 0;
3218 			}
3219 #endif
3220 			if (last == 0) {
3221 				flags &= ~CAM_SEND_STATUS;
3222 			}
3223 			if (data_len) {
3224 				atio->ccb_h.ccb_data_offset += data_len;
3225 				flags |= CAM_DIR_IN;
3226 			} else {
3227 				flags |= CAM_DIR_NONE;
3228 			}
3229 		}
3230 		break;
3231 	case WRITE_6:
3232 	case WRITE_10:
3233 	case WRITE_12:
3234 	case WRITE_16:
3235 		if (isptarg_rwparm(cdb, disk_data, disk_size, atio->ccb_h.ccb_data_offset, &data_ptr, &data_len, &last)) {
3236 			status = SCSI_STATUS_CHECK_COND;
3237 			atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3238 			atio->sense_data.add_sense_code = 0x5;
3239 			atio->sense_data.add_sense_code_qual = 0x24;
3240 			atio->sense_len = sizeof (atio->sense_data);
3241 		} else {
3242 #ifdef	ISP_FORCE_TIMEOUT
3243 			{
3244 				static int foo;
3245 				if (foo++ == 500) {
3246 					if (more) {
3247 						xpt_schedule(periph, 1);
3248 					}
3249 					foo = 0;
3250 					return;
3251 				}
3252 			}
3253 #endif
3254 #ifdef	ISP_TEST_SEPARATE_STATUS
3255 			if (last && data_len) {
3256 				last = 0;
3257 			}
3258 #endif
3259 			if (last == 0) {
3260 				flags &= ~CAM_SEND_STATUS;
3261 			}
3262 			if (data_len) {
3263 				atio->ccb_h.ccb_data_offset += data_len;
3264 				flags |= CAM_DIR_OUT;
3265 			} else {
3266 				flags |= CAM_DIR_NONE;
3267 			}
3268 		}
3269 		break;
3270 	case INQUIRY:
3271 		flags |= CAM_DIR_IN;
3272 		if (cdb[1] || cdb[2] || cdb[3]) {
3273 			status = SCSI_STATUS_CHECK_COND;
3274 			atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3275 			atio->sense_data.add_sense_code = 0x5;
3276 			atio->sense_data.add_sense_code_qual = 0x20;
3277 			atio->sense_len = sizeof (atio->sense_data);
3278 			break;
3279 		}
3280 		data_len = sizeof (iqd);
3281 		if (data_len > cdb[4]) {
3282 			data_len = cdb[4];
3283 		}
3284 		if (data_len) {
3285 			if (XS_LUN(iccb) != 0) {
3286 				memcpy(junk_data, niliqd, sizeof (iqd));
3287 			} else {
3288 				memcpy(junk_data, iqd, sizeof (iqd));
3289 			}
3290 			data_ptr = junk_data;
3291 		}
3292 		break;
3293 	case TEST_UNIT_READY:
3294 		flags |= CAM_DIR_NONE;
3295 		if (ca) {
3296 			ca = 0;
3297 			status = SCSI_STATUS_CHECK_COND;
3298 			atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3299 			atio->sense_data.add_sense_code = 0x28;
3300 			atio->sense_data.add_sense_code_qual = 0x0;
3301 			atio->sense_len = sizeof (atio->sense_data);
3302 		}
3303 		break;
3304 	case SYNCHRONIZE_CACHE:
3305 	case START_STOP:
3306 	case RESERVE:
3307 	case RELEASE:
3308 	case VERIFY_10:
3309 		flags |= CAM_DIR_NONE;
3310 		break;
3311 
3312 	case READ_CAPACITY:
3313 		flags |= CAM_DIR_IN;
3314 		if (cdb[2] || cdb[3] || cdb[4] || cdb[5]) {
3315 			status = SCSI_STATUS_CHECK_COND;
3316 			atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3317 			atio->sense_data.add_sense_code = 0x5;
3318 			atio->sense_data.add_sense_code_qual = 0x24;
3319 			atio->sense_len = sizeof (atio->sense_data);
3320 			break;
3321 		}
3322 		if (cdb[8] & 0x1) { /* PMI */
3323 			junk_data[0] = 0xff;
3324 			junk_data[1] = 0xff;
3325 			junk_data[2] = 0xff;
3326 			junk_data[3] = 0xff;
3327 		} else {
3328 			uint64_t last_blk = (disk_size >> DISK_SHIFT) - 1;
3329 			if (last_blk < 0xffffffffULL) {
3330 			    junk_data[0] = (last_blk >> 24) & 0xff;
3331 			    junk_data[1] = (last_blk >> 16) & 0xff;
3332 			    junk_data[2] = (last_blk >>  8) & 0xff;
3333 			    junk_data[3] = (last_blk) & 0xff;
3334 			} else {
3335 			    junk_data[0] = 0xff;
3336 			    junk_data[1] = 0xff;
3337 			    junk_data[2] = 0xff;
3338 			    junk_data[3] = 0xff;
3339 			}
3340 		}
3341 		junk_data[4] = ((1 << DISK_SHIFT) >> 24) & 0xff;
3342 		junk_data[5] = ((1 << DISK_SHIFT) >> 16) & 0xff;
3343 		junk_data[6] = ((1 << DISK_SHIFT) >>  8) & 0xff;
3344 		junk_data[7] = ((1 << DISK_SHIFT)) & 0xff;
3345 		data_ptr = junk_data;
3346 		data_len = 8;
3347 		break;
3348 	case REPORT_LUNS:
3349 		flags |= CAM_DIR_IN;
3350 		memset(junk_data, 0, JUNK_SIZE);
3351 		junk_data[0] = (1 << 3) >> 24;
3352 		junk_data[1] = (1 << 3) >> 16;
3353 		junk_data[2] = (1 << 3) >> 8;
3354 		junk_data[3] = (1 << 3);
3355 		ptr = NULL;
3356 		for (i = 0; i < 1; i++) {
3357 			ptr = &junk_data[8 + (1 << 3)];
3358 			if (i >= 256) {
3359 				ptr[0] = 0x40 | ((i >> 8) & 0x3f);
3360 			}
3361 			ptr[1] = i;
3362 		}
3363 		data_ptr = junk_data;
3364 		data_len = (ptr + 8) - junk_data;
3365 		break;
3366 
3367 	default:
3368 		flags |= CAM_DIR_NONE;
3369 		status = SCSI_STATUS_CHECK_COND;
3370 		atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3371 		atio->sense_data.add_sense_code = 0x5;
3372 		atio->sense_data.add_sense_code_qual = 0x20;
3373 		atio->sense_len = sizeof (atio->sense_data);
3374 		break;
3375 	}
3376 
3377 	/*
3378 	 * If we are done with the transaction, tell the
3379 	 * controller to send status and perform a CMD_CMPLT.
3380 	 * If we have associated sense data, see if we can
3381 	 * send that too.
3382 	 */
3383 	if (status == SCSI_STATUS_CHECK_COND) {
3384 		flags |= CAM_SEND_SENSE;
3385 		csio->sense_len = atio->sense_len;
3386 		csio->sense_data = atio->sense_data;
3387 		flags &= ~CAM_DIR_MASK;
3388 		data_len = 0;
3389 		data_ptr = NULL;
3390 	}
3391 	cam_fill_ctio(csio, 0, isptarg_done, flags, MSG_SIMPLE_Q_TAG, atio->tag_id, atio->init_id, status, data_ptr, data_len, 0);
3392 	iccb->ccb_h.target_id = atio->ccb_h.target_id;
3393 	iccb->ccb_h.target_lun = return_lun;
3394 	iccb->ccb_h.ccb_atio = atio;
3395 	xpt_action(iccb);
3396 
3397 	if ((atio->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3398 		cam_release_devq(periph->path, 0, 0, 0, 0);
3399 		atio->ccb_h.status &= ~CAM_DEV_QFRZN;
3400 	}
3401 	if (more) {
3402 		xpt_schedule(periph, 1);
3403 	}
3404 }
3405 
3406 static cam_status
3407 isptargctor(struct cam_periph *periph, void *arg)
3408 {
3409 	struct isptarg_softc *softc;
3410 
3411 	softc = (struct isptarg_softc *)arg;
3412 	periph->softc = softc;
3413 	softc->periph = periph;
3414 	softc->path = periph->path;
3415 	ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, periph->path, "%s called\n", __func__);
3416 	return (CAM_REQ_CMP);
3417 }
3418 
3419 static void
3420 isptargdtor(struct cam_periph *periph)
3421 {
3422 	struct isptarg_softc *softc;
3423 	softc = (struct isptarg_softc *)periph->softc;
3424 	ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, periph->path, "%s called\n", __func__);
3425 	softc->periph = NULL;
3426 	softc->path = NULL;
3427 	periph->softc = NULL;
3428 }
3429 
3430 static void
3431 isptarg_done(struct cam_periph *periph, union ccb *ccb)
3432 {
3433 	struct isptarg_softc *softc;
3434 	ispsoftc_t *isp;
3435 	struct ccb_accept_tio *atio;
3436 	struct ccb_immediate_notify *inot;
3437 	cam_status status;
3438 
3439 	softc = (struct isptarg_softc *)periph->softc;
3440 	isp = softc->isp;
3441 	status = ccb->ccb_h.status & CAM_STATUS_MASK;
3442 
3443 	switch (ccb->ccb_h.func_code) {
3444 	case XPT_ACCEPT_TARGET_IO:
3445 		atio = (struct ccb_accept_tio *) ccb;
3446 		ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] ATIO seen in %s\n", atio->tag_id, __func__);
3447 		TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, periph_links.tqe);
3448 		xpt_schedule(periph, 1);
3449 		break;
3450 	case XPT_IMMEDIATE_NOTIFY:
3451 		inot = (struct ccb_immediate_notify *) ccb;
3452 		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__);
3453 		TAILQ_INSERT_TAIL(&softc->inot_queue, &ccb->ccb_h, periph_links.tqe);
3454 		xpt_schedule(periph, 1);
3455 		break;
3456 	case XPT_CONT_TARGET_IO:
3457 		if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3458 			cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0);
3459 			ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
3460 		}
3461 		atio = ccb->ccb_h.ccb_atio;
3462 		if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3463 			cam_error_print(ccb, CAM_ESF_ALL, CAM_EPF_ALL);
3464 			xpt_action((union ccb *)atio);
3465 		} else if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
3466 			ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] MID CTIO seen in %s\n", atio->tag_id, __func__);
3467 			TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe);
3468 			xpt_schedule(periph, 1);
3469 		} else {
3470 			ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] FINAL CTIO seen in %s\n", atio->tag_id, __func__);
3471 			xpt_action((union ccb *)atio);
3472 		}
3473 		xpt_release_ccb(ccb);
3474 		break;
3475 	case XPT_NOTIFY_ACKNOWLEDGE:
3476 		if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3477 			cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0);
3478 			ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
3479 		}
3480 		inot = ccb->ccb_h.ccb_inot;
3481 		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);
3482 		xpt_release_ccb(ccb);
3483 		xpt_action((union ccb *)inot);
3484 		break;
3485 	default:
3486 		xpt_print(ccb->ccb_h.path, "unexpected code 0x%x\n", ccb->ccb_h.func_code);
3487 		break;
3488 	}
3489 }
3490 
3491 static void
3492 isptargasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg)
3493 {
3494 	struct ac_contract *acp = arg;
3495 	struct ac_device_changed *fc = (struct ac_device_changed *) acp->contract_data;
3496 
3497 	if (code != AC_CONTRACT) {
3498 		return;
3499 	}
3500 	xpt_print(path, "0x%016llx Port ID 0x%06x %s\n", (unsigned long long) fc->wwpn, fc->port, fc->arrived? "arrived" : "departed");
3501 }
3502 
3503 static void
3504 isp_target_thread(ispsoftc_t *isp, int chan)
3505 {
3506 	union ccb *ccb = NULL;
3507 	int i;
3508 	void *wchan;
3509 	cam_status status;
3510 	struct isptarg_softc *softc = NULL;
3511 	struct cam_periph *periph = NULL, *wperiph = NULL;
3512 	struct cam_path *path, *wpath;
3513 	struct cam_sim *sim;
3514 
3515 	if (disk_data == NULL) {
3516 		disk_size = roundup2(vm_kmem_size >> 1, (1ULL << 20));
3517 		if (disk_size < (50 << 20)) {
3518 			disk_size = 50 << 20;
3519 		}
3520 		disk_data = kmalloc(disk_size, M_ISPTARG, M_WAITOK | M_ZERO);
3521 		if (disk_data == NULL) {
3522 			isp_prt(isp, ISP_LOGERR, "%s: could not allocate disk data", __func__);
3523 			goto out;
3524 		}
3525 		isp_prt(isp, ISP_LOGINFO, "allocated a %ju MiB disk", (uintmax_t) (disk_size >> 20));
3526 	}
3527 	junk_data = kmalloc(JUNK_SIZE, M_ISPTARG, M_WAITOK | M_ZERO);
3528 	if (junk_data == NULL) {
3529 		isp_prt(isp, ISP_LOGERR, "%s: could not allocate junk", __func__);
3530 		goto out;
3531 	}
3532 
3533 
3534 	softc = kmalloc(sizeof (*softc), M_ISPTARG, M_WAITOK | M_ZERO);
3535 	if (softc == NULL) {
3536 		isp_prt(isp, ISP_LOGERR, "%s: could not allocate softc", __func__);
3537 		goto out;
3538 	}
3539 	TAILQ_INIT(&softc->work_queue);
3540 	TAILQ_INIT(&softc->rework_queue);
3541 	TAILQ_INIT(&softc->running_queue);
3542 	TAILQ_INIT(&softc->inot_queue);
3543 	softc->isp = isp;
3544 
3545 	periphdriver_register(&isptargdriver);
3546 	ISP_GET_PC(isp, chan, sim, sim);
3547 	ISP_GET_PC(isp, chan, path,  path);
3548 	status = xpt_create_path_unlocked(&wpath, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
3549 	if (status != CAM_REQ_CMP) {
3550 		isp_prt(isp, ISP_LOGERR, "%s: could not allocate wildcard path", __func__);
3551 		return;
3552 	}
3553 	status = xpt_create_path_unlocked(&path, NULL, cam_sim_path(sim), 0, 0);
3554 	if (status != CAM_REQ_CMP) {
3555 		xpt_free_path(wpath);
3556 		isp_prt(isp, ISP_LOGERR, "%s: could not allocate path", __func__);
3557 		return;
3558 	}
3559 
3560 	ccb = xpt_alloc_ccb();
3561 
3562 	ISP_LOCK(isp);
3563 	status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, wpath, NULL, 0, softc);
3564 	if (status != CAM_REQ_CMP) {
3565 		ISP_UNLOCK(isp);
3566 		isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc for wildcard failed", __func__);
3567 		goto out;
3568 	}
3569 	wperiph = cam_periph_find(wpath, "isptarg");
3570 	if (wperiph == NULL) {
3571 		ISP_UNLOCK(isp);
3572 		isp_prt(isp, ISP_LOGERR, "%s: wildcard periph already allocated but doesn't exist", __func__);
3573 		goto out;
3574 	}
3575 
3576 	status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, path, NULL, 0, softc);
3577 	if (status != CAM_REQ_CMP) {
3578 		ISP_UNLOCK(isp);
3579 		isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc failed", __func__);
3580 		goto out;
3581 	}
3582 
3583 	periph = cam_periph_find(path, "isptarg");
3584 	if (periph == NULL) {
3585 		ISP_UNLOCK(isp);
3586 		isp_prt(isp, ISP_LOGERR, "%s: periph already allocated but doesn't exist", __func__);
3587 		goto out;
3588 	}
3589 
3590 	status = xpt_register_async(AC_CONTRACT, isptargasync, isp, wpath);
3591 	if (status != CAM_REQ_CMP) {
3592 		ISP_UNLOCK(isp);
3593 		isp_prt(isp, ISP_LOGERR, "%s: xpt_register_async failed", __func__);
3594 		goto out;
3595 	}
3596 
3597 	ISP_UNLOCK(isp);
3598 
3599 	ccb = xpt_alloc_ccb();
3600 
3601 	/*
3602 	 * Make sure role is none.
3603 	 */
3604 	xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
3605 	ccb->ccb_h.func_code = XPT_SET_SIM_KNOB;
3606 	ccb->knob.xport_specific.fc.role = KNOB_ROLE_NONE;
3607 #ifdef	ISP_TEST_WWNS
3608 	ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE | KNOB_VALID_ADDRESS;
3609 	ccb->knob.xport_specific.fc.wwnn = 0x508004d000000000ULL | (device_get_unit(isp->isp_osinfo.dev) << 8) | (chan << 16);
3610 	ccb->knob.xport_specific.fc.wwpn = 0x508004d000000001ULL | (device_get_unit(isp->isp_osinfo.dev) << 8) | (chan << 16);
3611 #else
3612 	ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE;
3613 #endif
3614 
3615 	ISP_LOCK(isp);
3616 	xpt_action(ccb);
3617 	ISP_UNLOCK(isp);
3618 
3619 	/*
3620 	 * Now enable luns
3621 	 */
3622 	xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
3623 	ccb->ccb_h.func_code = XPT_EN_LUN;
3624 	ccb->cel.enable = 1;
3625 	ISP_LOCK(isp);
3626 	xpt_action(ccb);
3627 	ISP_UNLOCK(isp);
3628 	if (ccb->ccb_h.status != CAM_REQ_CMP) {
3629 		xpt_free_ccb(ccb);
3630 		xpt_print(periph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status);
3631 		goto out;
3632 	}
3633 
3634 	xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 10);
3635 	ccb->ccb_h.func_code = XPT_EN_LUN;
3636 	ccb->cel.enable = 1;
3637 	ISP_LOCK(isp);
3638 	xpt_action(ccb);
3639 	ISP_UNLOCK(isp);
3640 	if (ccb->ccb_h.status != CAM_REQ_CMP) {
3641 		xpt_free_ccb(ccb);
3642 		xpt_print(wperiph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status);
3643 		goto out;
3644 	}
3645 	xpt_free_ccb(ccb);
3646 
3647 	/*
3648 	 * Add resources
3649 	 */
3650 	ISP_GET_PC_ADDR(isp, chan, target_proc, wchan);
3651 	for (i = 0; i < 4; i++) {
3652 		ccb = kmalloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO);
3653 		xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1);
3654 		ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO;
3655 		ccb->ccb_h.cbfcnp = isptarg_done;
3656 		ISP_LOCK(isp);
3657 		xpt_action(ccb);
3658 		ISP_UNLOCK(isp);
3659 	}
3660 	for (i = 0; i < NISP_TARG_CMDS; i++) {
3661 		ccb = kmalloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO);
3662 		xpt_setup_ccb(&ccb->ccb_h, periph->path, 1);
3663 		ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO;
3664 		ccb->ccb_h.cbfcnp = isptarg_done;
3665 		ISP_LOCK(isp);
3666 		xpt_action(ccb);
3667 		ISP_UNLOCK(isp);
3668 	}
3669 	for (i = 0; i < 4; i++) {
3670 		ccb = kmalloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO);
3671 		xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1);
3672 		ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY;
3673 		ccb->ccb_h.cbfcnp = isptarg_done;
3674 		ISP_LOCK(isp);
3675 		xpt_action(ccb);
3676 		ISP_UNLOCK(isp);
3677 	}
3678 	for (i = 0; i < NISP_TARG_NOTIFIES; i++) {
3679 		ccb = kmalloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO);
3680 		xpt_setup_ccb(&ccb->ccb_h, periph->path, 1);
3681 		ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY;
3682 		ccb->ccb_h.cbfcnp = isptarg_done;
3683 		ISP_LOCK(isp);
3684 		xpt_action(ccb);
3685 		ISP_UNLOCK(isp);
3686 	}
3687 
3688 	/*
3689 	 * Now turn it all back on
3690 	 */
3691 	xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
3692 	ccb->ccb_h.func_code = XPT_SET_SIM_KNOB;
3693 	ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE;
3694 	ccb->knob.xport_specific.fc.role = KNOB_ROLE_TARGET;
3695 	ISP_LOCK(isp);
3696 	xpt_action(ccb);
3697 	ISP_UNLOCK(isp);
3698 
3699 	/*
3700 	 * Okay, while things are still active, sleep...
3701 	 */
3702 	ISP_LOCK(isp);
3703 	for (;;) {
3704 		ISP_GET_PC(isp, chan, proc_active, i);
3705 		if (i == 0) {
3706 			break;
3707 		}
3708 		lksleep(wchan, &isp->isp_lock, PUSER, "tsnooze", 0);
3709 	}
3710 	ISP_UNLOCK(isp);
3711 
3712 out:
3713 	if (wperiph) {
3714 		cam_periph_invalidate(wperiph);
3715 	}
3716 	if (periph) {
3717 		cam_periph_invalidate(periph);
3718 	}
3719 	if (junk_data) {
3720 		kfree(junk_data, M_ISPTARG);
3721 	}
3722 	if (disk_data) {
3723 		kfree(disk_data, M_ISPTARG);
3724 	}
3725 	if (softc) {
3726 		kfree(softc, M_ISPTARG);
3727 	}
3728 	xpt_free_path(path);
3729 	xpt_free_path(wpath);
3730 }
3731 
3732 static void
3733 isp_target_thread_pi(void *arg)
3734 {
3735 	struct isp_spi *pi = arg;
3736 	isp_target_thread(cam_sim_softc(pi->sim), cam_sim_bus(pi->sim));
3737 }
3738 
3739 static void
3740 isp_target_thread_fc(void *arg)
3741 {
3742 	struct isp_fc *fc = arg;
3743 	isp_target_thread(cam_sim_softc(fc->sim), cam_sim_bus(fc->sim));
3744 }
3745 
3746 static int
3747 isptarg_rwparm(uint8_t *cdb, uint8_t *dp, uint64_t dl, uint32_t offset, uint8_t **kp, uint32_t *tl, int *lp)
3748 {
3749 	uint32_t cnt, curcnt;
3750 	uint64_t lba;
3751 
3752 	switch (cdb[0]) {
3753 	case WRITE_16:
3754 	case READ_16:
3755 		cnt =	(((uint32_t)cdb[10]) <<  24) |
3756 			(((uint32_t)cdb[11]) <<  16) |
3757 			(((uint32_t)cdb[12]) <<   8) |
3758 			((uint32_t)cdb[13]);
3759 
3760 		lba =	(((uint64_t)cdb[2]) << 56) |
3761 			(((uint64_t)cdb[3]) << 48) |
3762 			(((uint64_t)cdb[4]) << 40) |
3763 			(((uint64_t)cdb[5]) << 32) |
3764 			(((uint64_t)cdb[6]) << 24) |
3765 			(((uint64_t)cdb[7]) << 16) |
3766 			(((uint64_t)cdb[8]) <<  8) |
3767 			((uint64_t)cdb[9]);
3768 		break;
3769 	case WRITE_12:
3770 	case READ_12:
3771 		cnt =	(((uint32_t)cdb[6]) <<  16) |
3772 			(((uint32_t)cdb[7]) <<   8) |
3773 			((u_int32_t)cdb[8]);
3774 
3775 		lba =	(((uint32_t)cdb[2]) << 24) |
3776 			(((uint32_t)cdb[3]) << 16) |
3777 			(((uint32_t)cdb[4]) <<  8) |
3778 			((uint32_t)cdb[5]);
3779 		break;
3780 	case WRITE_10:
3781 	case READ_10:
3782 		cnt =	(((uint32_t)cdb[7]) <<  8) |
3783 			((u_int32_t)cdb[8]);
3784 
3785 		lba =	(((uint32_t)cdb[2]) << 24) |
3786 			(((uint32_t)cdb[3]) << 16) |
3787 			(((uint32_t)cdb[4]) <<  8) |
3788 			((uint32_t)cdb[5]);
3789 		break;
3790 	case WRITE_6:
3791 	case READ_6:
3792 		cnt = cdb[4];
3793 		if (cnt == 0) {
3794 			cnt = 256;
3795 		}
3796 		lba =	(((uint32_t)cdb[1] & 0x1f) << 16) |
3797 			(((uint32_t)cdb[2]) << 8) |
3798 			((uint32_t)cdb[3]);
3799 		break;
3800 	default:
3801 		return (-1);
3802 	}
3803 
3804 	cnt <<= DISK_SHIFT;
3805 	lba <<= DISK_SHIFT;
3806 
3807 	if (offset == cnt) {
3808 		*lp = 1;
3809 		return (0);
3810 	}
3811 
3812 	if (lba + cnt > dl) {
3813 		return (-1);
3814 	}
3815 
3816 
3817 	curcnt = MAX_ISP_TARG_TRANSFER;
3818 	if (offset + curcnt >= cnt) {
3819 		curcnt = cnt - offset;
3820 		*lp = 1;
3821 	} else {
3822 		*lp = 0;
3823 	}
3824 	*tl = curcnt;
3825 	*kp = &dp[lba + offset];
3826 	return (0);
3827 }
3828 
3829 #endif
3830 #endif
3831 
3832 static void
3833 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg)
3834 {
3835 	struct cam_sim *sim;
3836 	int bus, tgt;
3837 	ispsoftc_t *isp;
3838 
3839 	sim = (struct cam_sim *)cbarg;
3840 	isp = (ispsoftc_t *) cam_sim_softc(sim);
3841 	bus = cam_sim_bus(sim);
3842 	tgt = xpt_path_target_id(path);
3843 
3844 	switch (code) {
3845 	case AC_LOST_DEVICE:
3846 		if (IS_SCSI(isp)) {
3847 			uint16_t oflags, nflags;
3848 			sdparam *sdp = SDPARAM(isp, bus);
3849 
3850 			if (tgt >= 0) {
3851 				nflags = sdp->isp_devparam[tgt].nvrm_flags;
3852 #ifndef	ISP_TARGET_MODE
3853 				nflags &= DPARM_SAFE_DFLT;
3854 				if (isp->isp_loaded_fw) {
3855 					nflags |= DPARM_NARROW | DPARM_ASYNC;
3856 				}
3857 #else
3858 				nflags = DPARM_DEFAULT;
3859 #endif
3860 				oflags = sdp->isp_devparam[tgt].goal_flags;
3861 				sdp->isp_devparam[tgt].goal_flags = nflags;
3862 				sdp->isp_devparam[tgt].dev_update = 1;
3863 				sdp->update = 1;
3864 				(void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
3865 				sdp->isp_devparam[tgt].goal_flags = oflags;
3866 			}
3867 		}
3868 		break;
3869 	default:
3870 		isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
3871 		break;
3872 	}
3873 }
3874 
3875 static void
3876 isp_poll(struct cam_sim *sim)
3877 {
3878 	ispsoftc_t *isp = cam_sim_softc(sim);
3879 	uint32_t isr;
3880 	uint16_t sema, mbox;
3881 
3882 	if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
3883 		isp_intr(isp, isr, sema, mbox);
3884 	}
3885 }
3886 
3887 
3888 static void
3889 isp_watchdog(void *arg)
3890 {
3891 	struct ccb_scsiio *xs = arg;
3892 	ispsoftc_t *isp;
3893 	uint32_t ohandle = ISP_HANDLE_FREE, handle;
3894 
3895 	isp = XS_ISP(xs);
3896 	ISP_LOCK(isp);
3897 
3898 	handle = isp_find_handle(isp, xs);
3899 
3900 	if (handle != ISP_HANDLE_FREE && !XS_CMD_WPEND_P(xs)) {
3901 		isp_xs_prt(isp, xs, ISP_LOGWARN, "first watchdog (handle 0x%x) timed out- deferring for grace period", handle);
3902 		callout_reset(&PISP_PCMD(xs)->wdog, 2 * hz, isp_watchdog, xs);
3903 		XS_CMD_S_WPEND(xs);
3904 		ISP_UNLOCK(isp);
3905 		return;
3906 	}
3907 	XS_C_TACTIVE(xs);
3908 
3909 	/*
3910 	 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere.
3911 	 */
3912 	if (handle != ISP_HANDLE_FREE) {
3913 		uint32_t isr;
3914 		uint16_t sema, mbox;
3915 		if (ISP_READ_ISR(isp, &isr, &sema, &mbox) != 0) {
3916 			isp_intr(isp, isr, sema, mbox);
3917 		}
3918 		ohandle = handle;
3919 		handle = isp_find_handle(isp, xs);
3920 	}
3921 	if (handle != ISP_HANDLE_FREE) {
3922 		/*
3923 		 * Try and make sure the command is really dead before
3924 		 * we release the handle (and DMA resources) for reuse.
3925 		 *
3926 		 * If we are successful in aborting the command then
3927 		 * we're done here because we'll get the command returned
3928 		 * back separately.
3929 		 */
3930 		if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
3931 			ISP_UNLOCK(isp);
3932 			return;
3933 		}
3934 
3935 		/*
3936 		 * Note that after calling the above, the command may in
3937 		 * fact have been completed.
3938 		 */
3939 		xs = isp_find_xs(isp, handle);
3940 
3941 		/*
3942 		 * If the command no longer exists, then we won't
3943 		 * be able to find the xs again with this handle.
3944 		 */
3945 		if (xs == NULL) {
3946 			ISP_UNLOCK(isp);
3947 			return;
3948 		}
3949 
3950 		/*
3951 		 * After this point, the command is really dead.
3952 		 */
3953 		if (XS_XFRLEN(xs)) {
3954 			ISP_DMAFREE(isp, xs, handle);
3955 		}
3956 		isp_destroy_handle(isp, handle);
3957 		isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle);
3958 		XS_SETERR(xs, CAM_CMD_TIMEOUT);
3959 		isp_prt_endcmd(isp, xs);
3960 		isp_done(xs);
3961 	} else {
3962 		if (ohandle != ISP_HANDLE_FREE) {
3963 			isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle);
3964 		} else {
3965 			isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__);
3966 		}
3967 	}
3968 	ISP_UNLOCK(isp);
3969 }
3970 
3971 static void
3972 isp_bus_scan_cb(struct cam_periph *periph, union ccb *ccb)
3973 {
3974 	if (ccb->ccb_h.status != CAM_REQ_CMP)
3975 		kprintf("cam_scan_callback: failure status = %x\n",
3976 			ccb->ccb_h.status);
3977 
3978 	xpt_free_path(ccb->ccb_h.path);
3979 	kfree(ccb, M_TEMP);
3980 }
3981 
3982 static void
3983 isp_make_here(ispsoftc_t *isp, int chan, int tgt)
3984 {
3985 	union ccb *ccb;
3986 	struct isp_fc *fc = ISP_FC_PC(isp, chan);
3987 
3988 	if (isp_autoconfig == 0) {
3989 		return;
3990 	}
3991 
3992 	/*
3993 	 * Allocate a CCB, create a wildcard path for this target and schedule a rescan.
3994 	 */
3995 	ccb = xpt_alloc_ccb();
3996 	if (ccb == NULL) {
3997 		isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan);
3998 		return;
3999 	}
4000 	if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
4001 		isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan");
4002 		xpt_free_ccb(ccb);
4003 		return;
4004 	}
4005 	xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, 5/*priority (low)*/);
4006 	ccb->ccb_h.func_code = XPT_SCAN_BUS;
4007 	ccb->ccb_h.cbfcnp = isp_bus_scan_cb;
4008 	ccb->crcn.flags = CAM_FLAG_NONE;
4009 	xpt_action(ccb);
4010 }
4011 
4012 static void
4013 isp_make_gone(ispsoftc_t *isp, int chan, int tgt)
4014 {
4015 	struct cam_path *tp;
4016 	struct isp_fc *fc = ISP_FC_PC(isp, chan);
4017 
4018 	if (isp_autoconfig == 0) {
4019 		return;
4020 	}
4021 	if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
4022 		xpt_async(AC_LOST_DEVICE, tp, NULL);
4023 		xpt_free_path(tp);
4024 	}
4025 }
4026 
4027 /*
4028  * Gone Device Timer Function- when we have decided that a device has gone
4029  * away, we wait a specific period of time prior to telling the OS it has
4030  * gone away.
4031  *
4032  * This timer function fires once a second and then scans the port database
4033  * for devices that are marked dead but still have a virtual target assigned.
4034  * We decrement a counter for that port database entry, and when it hits zero,
4035  * we tell the OS the device has gone away.
4036  */
4037 static void
4038 isp_gdt(void *arg)
4039 {
4040 	struct isp_fc *fc = arg;
4041 
4042 	ISP_LOCK(fc->isp);
4043 	taskqueue_enqueue(taskqueue_swi, &fc->gtask);
4044 	ISP_UNLOCK(fc->isp);
4045 }
4046 
4047 static void
4048 isp_gdt_task(void *arg, int pending)
4049 {
4050 	struct isp_fc *fc = arg;
4051 	ispsoftc_t *isp = fc->isp;
4052 	int chan = fc - isp->isp_osinfo.pc.fc;
4053 	fcportdb_t *lp;
4054 	int dbidx, tgt, more_to_do = 0;
4055 
4056 	ISP_LOCK(isp);
4057 	isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan);
4058 	for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
4059 		lp = &FCPARAM(isp, chan)->portdb[dbidx];
4060 
4061 		if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
4062 			continue;
4063 		}
4064 		if (lp->dev_map_idx == 0 || lp->target_mode) {
4065 			continue;
4066 		}
4067 		if (lp->gone_timer != 0) {
4068 			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);
4069 			lp->gone_timer -= 1;
4070 			more_to_do++;
4071 			continue;
4072 		}
4073 		tgt = lp->dev_map_idx - 1;
4074 		FCPARAM(isp, chan)->isp_dev_map[tgt] = 0;
4075 		lp->dev_map_idx = 0;
4076 		lp->state = FC_PORTDB_STATE_NIL;
4077 		isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Gone Device Timeout");
4078 		isp_make_gone(isp, chan, tgt);
4079 	}
4080 	if (fc->ready) {
4081 		if (more_to_do) {
4082 			callout_reset(&fc->gdt, hz, isp_gdt, fc);
4083 		} else {
4084 			callout_deactivate(&fc->gdt);
4085 			isp_prt(isp, ISP_LOGSANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_second);
4086 		}
4087 	}
4088 	ISP_UNLOCK(isp);
4089 }
4090 
4091 /*
4092  * Loop Down Timer Function- when loop goes down, a timer is started and
4093  * and after it expires we come here and take all probational devices that
4094  * the OS knows about and the tell the OS that they've gone away.
4095  *
4096  * We don't clear the devices out of our port database because, when loop
4097  * come back up, we have to do some actual cleanup with the chip at that
4098  * point (implicit PLOGO, e.g., to get the chip's port database state right).
4099  */
4100 static void
4101 isp_ldt(void *arg)
4102 {
4103 	struct isp_fc *fc = arg;
4104 
4105 	ISP_LOCK(fc->isp);
4106 	taskqueue_enqueue(taskqueue_swi, &fc->ltask);
4107 	ISP_UNLOCK(fc->isp);
4108 }
4109 
4110 static void
4111 isp_ldt_task(void *arg, int pending)
4112 {
4113 	struct isp_fc *fc = arg;
4114 	ispsoftc_t *isp = fc->isp;
4115 	int chan = fc - isp->isp_osinfo.pc.fc;
4116 	fcportdb_t *lp;
4117 	int dbidx, tgt, i;
4118 
4119 	ISP_LOCK(isp);
4120 	isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Chan %d Loop Down Timer expired @ %lu", chan, (unsigned long) time_second);
4121 	callout_deactivate(&fc->ldt);
4122 
4123 	/*
4124 	 * Notify to the OS all targets who we now consider have departed.
4125 	 */
4126 	for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
4127 		lp = &FCPARAM(isp, chan)->portdb[dbidx];
4128 
4129 		if (lp->state != FC_PORTDB_STATE_PROBATIONAL) {
4130 			continue;
4131 		}
4132 		if (lp->dev_map_idx == 0 || lp->target_mode) {
4133 			continue;
4134 		}
4135 
4136 		/*
4137 		 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST!
4138 		 */
4139 
4140 
4141 		for (i = 0; i < isp->isp_maxcmds; i++) {
4142 			struct ccb_scsiio *xs;
4143 
4144 			if (!ISP_VALID_HANDLE(isp, isp->isp_xflist[i].handle)) {
4145 				continue;
4146 			}
4147 			if ((xs = isp->isp_xflist[i].cmd) == NULL) {
4148 				continue;
4149                         }
4150 			if (dbidx != (FCPARAM(isp, chan)->isp_dev_map[XS_TGT(xs)] - 1)) {
4151 				continue;
4152 			}
4153 			isp_prt(isp, ISP_LOGWARN, "command handle 0x%08x for %d.%d.%d orphaned by loop down timeout",
4154 			    isp->isp_xflist[i].handle, chan, XS_TGT(xs), XS_LUN(xs));
4155 		}
4156 
4157 		/*
4158 		 * Mark that we've announced that this device is gone....
4159 		 */
4160 		lp->reserved = 1;
4161 
4162 		/*
4163 		 * but *don't* change the state of the entry. Just clear
4164 		 * any target id stuff and announce to CAM that the
4165 		 * device is gone. This way any necessary PLOGO stuff
4166 		 * will happen when loop comes back up.
4167 		 */
4168 
4169 		tgt = lp->dev_map_idx - 1;
4170 		FCPARAM(isp, chan)->isp_dev_map[tgt] = 0;
4171 		lp->dev_map_idx = 0;
4172 		lp->state = FC_PORTDB_STATE_NIL;
4173 		isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Loop Down Timeout");
4174 		isp_make_gone(isp, chan, tgt);
4175 	}
4176 
4177 	if (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR) {
4178 		isp_unfreeze_loopdown(isp, chan);
4179 	}
4180 	/*
4181 	 * The loop down timer has expired. Wake up the kthread
4182 	 * to notice that fact (or make it false).
4183 	 */
4184 	fc->loop_dead = 1;
4185 	fc->loop_down_time = fc->loop_down_limit+1;
4186 	wakeup(fc);
4187 	ISP_UNLOCK(isp);
4188 }
4189 
4190 static void
4191 isp_kthread(void *arg)
4192 {
4193 	struct isp_fc *fc = arg;
4194 	ispsoftc_t *isp = fc->isp;
4195 	int chan = fc - isp->isp_osinfo.pc.fc;
4196 	int slp = 0;
4197 
4198 	lockmgr(&isp->isp_osinfo.lock, LK_EXCLUSIVE);
4199 
4200 	for (;;) {
4201 		int lb, lim;
4202 
4203 		isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d checking FC state", __func__, chan);
4204 		lb = isp_fc_runstate(isp, chan, 250000);
4205 
4206 		/*
4207 		 * Our action is different based upon whether we're supporting
4208 		 * Initiator mode or not. If we are, we might freeze the simq
4209 		 * when loop is down and set all sorts of different delays to
4210 		 * check again.
4211 		 *
4212 		 * If not, we simply just wait for loop to come up.
4213 		 */
4214 		if (lb && (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR)) {
4215 			/*
4216 			 * Increment loop down time by the last sleep interval
4217 			 */
4218 			fc->loop_down_time += slp;
4219 
4220 			if (lb < 0) {
4221 				isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC loop not up (down count %d)", __func__, chan, fc->loop_down_time);
4222 			} else {
4223 				isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC got to %d (down count %d)", __func__, chan, lb, fc->loop_down_time);
4224 			}
4225 
4226 			/*
4227 			 * If we've never seen loop up and we've waited longer
4228 			 * than quickboot time, or we've seen loop up but we've
4229 			 * waited longer than loop_down_limit, give up and go
4230 			 * to sleep until loop comes up.
4231 			 */
4232 			if (FCPARAM(isp, chan)->loop_seen_once == 0) {
4233 				lim = isp_quickboot_time;
4234 			} else {
4235 				lim = fc->loop_down_limit;
4236 			}
4237 			if (fc->loop_down_time >= lim) {
4238 				isp_freeze_loopdown(isp, chan, "loop limit hit");
4239 				slp = 0;
4240 			} else if (fc->loop_down_time < 10) {
4241 				slp = 1;
4242 			} else if (fc->loop_down_time < 30) {
4243 				slp = 5;
4244 			} else if (fc->loop_down_time < 60) {
4245 				slp = 10;
4246 			} else if (fc->loop_down_time < 120) {
4247 				slp = 20;
4248 			} else {
4249 				slp = 30;
4250 			}
4251 
4252 		} else if (lb) {
4253 			isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC Loop Down", __func__, chan);
4254 			fc->loop_down_time += slp;
4255 			slp = 60;
4256 		} else {
4257 			isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC state OK", __func__, chan);
4258 			fc->loop_down_time = 0;
4259 			slp = 0;
4260 		}
4261 
4262 
4263 		/*
4264 		 * If this is past the first loop up or the loop is dead and if we'd frozen the simq, unfreeze it
4265 		 * now so that CAM can start sending us commands.
4266 		 *
4267 		 * If the FC state isn't okay yet, they'll hit that in isp_start which will freeze the queue again
4268 		 * or kill the commands, as appropriate.
4269 		 */
4270 
4271 		if (FCPARAM(isp, chan)->loop_seen_once || fc->loop_dead) {
4272 			isp_unfreeze_loopdown(isp, chan);
4273 		}
4274 
4275 		isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep time %d", __func__, chan, slp);
4276 
4277 		lksleep(fc, &isp->isp_osinfo.lock, 0, "ispf", slp * hz);
4278 
4279 		/*
4280 		 * If slp is zero, we're waking up for the first time after
4281 		 * things have been okay. In this case, we set a deferral state
4282 		 * for all commands and delay hysteresis seconds before starting
4283 		 * the FC state evaluation. This gives the loop/fabric a chance
4284 		 * to settle.
4285 		 */
4286 		if (slp == 0 && fc->hysteresis) {
4287 			isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep hysteresis ticks %d", __func__, chan, fc->hysteresis * hz);
4288 			lockmgr(&isp->isp_osinfo.lock, LK_RELEASE);
4289 			tsleep(isp_kthread, 0, "ispt", fc->hysteresis * hz);
4290 			lockmgr(&isp->isp_osinfo.lock, LK_EXCLUSIVE);
4291 		}
4292 	}
4293 	lockmgr(&isp->isp_osinfo.lock, LK_RELEASE);
4294 }
4295 
4296 static void
4297 isp_action(struct cam_sim *sim, union ccb *ccb)
4298 {
4299 	int bus, tgt, ts, error, lim;
4300 	ispsoftc_t *isp;
4301 	struct ccb_trans_settings *cts;
4302 
4303 	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
4304 
4305 	isp = (ispsoftc_t *)cam_sim_softc(sim);
4306 	KKASSERT(lockstatus(&isp->isp_lock, curthread) != 0);
4307 
4308 	if (isp->isp_state != ISP_RUNSTATE && ccb->ccb_h.func_code == XPT_SCSI_IO) {
4309 		isp_init(isp);
4310 		if (isp->isp_state != ISP_INITSTATE) {
4311 			/*
4312 			 * Lie. Say it was a selection timeout.
4313 			 */
4314 			ccb->ccb_h.status = CAM_SEL_TIMEOUT | CAM_DEV_QFRZN;
4315 			xpt_freeze_devq(ccb->ccb_h.path, 1);
4316 			xpt_done(ccb);
4317 			return;
4318 		}
4319 		isp->isp_state = ISP_RUNSTATE;
4320 	}
4321 	isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
4322 	ISP_PCMD(ccb) = NULL;
4323 
4324 	switch (ccb->ccb_h.func_code) {
4325 	case XPT_SCSI_IO:	/* Execute the requested I/O operation */
4326 		bus = XS_CHANNEL(ccb);
4327 		/*
4328 		 * Do a couple of preliminary checks...
4329 		 */
4330 		if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
4331 			if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
4332 				ccb->ccb_h.status = CAM_REQ_INVALID;
4333 				xpt_done(ccb);
4334 				break;
4335 			}
4336 		}
4337 #ifdef	DIAGNOSTIC
4338 		if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) {
4339 			xpt_print(ccb->ccb_h.path, "invalid target\n");
4340 			ccb->ccb_h.status = CAM_PATH_INVALID;
4341 		} else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) {
4342 			xpt_print(ccb->ccb_h.path, "invalid lun\n");
4343 			ccb->ccb_h.status = CAM_PATH_INVALID;
4344 		}
4345 		if (ccb->ccb_h.status == CAM_PATH_INVALID) {
4346 			xpt_done(ccb);
4347 			break;
4348 		}
4349 #endif
4350 		ccb->csio.scsi_status = SCSI_STATUS_OK;
4351 		if (isp_get_pcmd(isp, ccb)) {
4352 			isp_prt(isp, ISP_LOGWARN, "out of PCMDs");
4353 			cam_freeze_devq(ccb->ccb_h.path);
4354 			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
4355 			xpt_done(ccb);
4356 			break;
4357 		}
4358 		error = isp_start((XS_T *) ccb);
4359 		switch (error) {
4360 		case CMD_QUEUED:
4361 			XS_CMD_S_CLEAR(ccb);
4362 			ccb->ccb_h.status |= CAM_SIM_QUEUED;
4363 			if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) {
4364 				break;
4365 			}
4366 			ts = ccb->ccb_h.timeout;
4367 			if (ts == CAM_TIME_DEFAULT) {
4368 				ts = 60*1000;
4369 			}
4370 			ts = isp_mstohz(ts);
4371 			XS_S_TACTIVE(ccb);
4372 			callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb);
4373 			break;
4374 		case CMD_RQLATER:
4375 			/*
4376 			 * We get this result for FC devices if the loop state isn't ready yet
4377 			 * or if the device in question has gone zombie on us.
4378 			 *
4379 			 * If we've never seen Loop UP at all, we requeue this request and wait
4380 			 * for the initial loop up delay to expire.
4381 			 */
4382 			lim = ISP_FC_PC(isp, bus)->loop_down_limit;
4383 			if (FCPARAM(isp, bus)->loop_seen_once == 0 || ISP_FC_PC(isp, bus)->loop_down_time >= lim) {
4384 				if (FCPARAM(isp, bus)->loop_seen_once == 0) {
4385 					isp_prt(isp, ISP_LOGDEBUG0, "%d.%d loop not seen yet @ %lu", XS_TGT(ccb), XS_LUN(ccb), (unsigned long) time_second);
4386 				} else {
4387 					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);
4388 				}
4389 				ccb->ccb_h.status = CAM_SEL_TIMEOUT|CAM_DEV_QFRZN;
4390 				xpt_freeze_devq(ccb->ccb_h.path, 1);
4391 				isp_free_pcmd(isp, ccb);
4392 				xpt_done(ccb);
4393 				break;
4394 			}
4395 			isp_prt(isp, ISP_LOGDEBUG0, "%d.%d retry later", XS_TGT(ccb), XS_LUN(ccb));
4396 			cam_freeze_devq(ccb->ccb_h.path);
4397 			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
4398 			XS_SETERR(ccb, CAM_REQUEUE_REQ);
4399 			isp_free_pcmd(isp, ccb);
4400 			xpt_done(ccb);
4401 			break;
4402 		case CMD_EAGAIN:
4403 			isp_free_pcmd(isp, ccb);
4404 			cam_freeze_devq(ccb->ccb_h.path);
4405 			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0);
4406 			XS_SETERR(ccb, CAM_REQUEUE_REQ);
4407 			xpt_done(ccb);
4408 			break;
4409 		case CMD_COMPLETE:
4410 			isp_done((struct ccb_scsiio *) ccb);
4411 			break;
4412 		default:
4413 			isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__);
4414 			XS_SETERR(ccb, CAM_REQ_CMP_ERR);
4415 			isp_free_pcmd(isp, ccb);
4416 			xpt_done(ccb);
4417 		}
4418 		break;
4419 
4420 #ifdef	ISP_TARGET_MODE
4421 	case XPT_EN_LUN:		/* Enable/Disable LUN as a target */
4422 		if (ccb->cel.enable) {
4423 			isp_enable_lun(isp, ccb);
4424 		} else {
4425 			isp_disable_lun(isp, ccb);
4426 		}
4427 		break;
4428 	case XPT_IMMED_NOTIFY:
4429 	case XPT_IMMEDIATE_NOTIFY:	/* Add Immediate Notify Resource */
4430 	case XPT_ACCEPT_TARGET_IO:	/* Add Accept Target IO Resource */
4431 	{
4432 		tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
4433 		if (tptr == NULL) {
4434 			tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
4435 		}
4436 		if (tptr == NULL) {
4437 			const char *str;
4438 			uint32_t tag;
4439 
4440 			if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
4441 				str = "XPT_IMMEDIATE_NOTIFY";
4442 				tag = ccb->cin1.seq_id;
4443 			} else {
4444 				tag = ccb->atio.tag_id;
4445 				str = "XPT_ACCEPT_TARGET_IO";
4446 			}
4447 			ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] no state pointer found for %s\n", __func__, tag, str);
4448 			dump_tstates(isp, XS_CHANNEL(ccb));
4449 			ccb->ccb_h.status = CAM_DEV_NOT_THERE;
4450 			break;
4451 		}
4452 		ccb->ccb_h.sim_priv.entries[0].field = 0;
4453 		ccb->ccb_h.sim_priv.entries[1].ptr = isp;
4454 		ccb->ccb_h.flags = 0;
4455 
4456 		if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
4457 			if (ccb->atio.tag_id) {
4458 				atio_private_data_t *atp = isp_get_atpd(isp, tptr, ccb->atio.tag_id);
4459 				if (atp) {
4460 					isp_put_atpd(isp, tptr, atp);
4461 				}
4462 			}
4463 			tptr->atio_count++;
4464 			SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle);
4465 			ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "Put FREE ATIO (tag id 0x%x), count now %d\n",
4466 			    ((struct ccb_accept_tio *)ccb)->tag_id, tptr->atio_count);
4467 		} else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
4468 			if (ccb->cin1.tag_id) {
4469 				inot_private_data_t *ntp = isp_find_ntpd(isp, tptr, ccb->cin1.tag_id, ccb->cin1.seq_id);
4470 				if (ntp) {
4471 					isp_put_ntpd(isp, tptr, ntp);
4472 				}
4473 			}
4474 			tptr->inot_count++;
4475 			SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
4476 			ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n",
4477 			    ((struct ccb_immediate_notify *)ccb)->seq_id, tptr->inot_count);
4478 		} else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
4479 			tptr->inot_count++;
4480 			SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
4481 			ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n",
4482 			    ((struct ccb_immediate_notify *)ccb)->seq_id, tptr->inot_count);
4483 		}
4484 		rls_lun_statep(isp, tptr);
4485 		ccb->ccb_h.status = CAM_REQ_INPROG;
4486 		break;
4487 	}
4488 	case XPT_NOTIFY_ACK:
4489 		ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4490 		break;
4491 	case XPT_NOTIFY_ACKNOWLEDGE:		/* notify ack */
4492 	{
4493 		tstate_t *tptr;
4494 		inot_private_data_t *ntp;
4495 
4496 		/*
4497 		 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb
4498 		 * XXX: matches that for the immediate notify, we have to *search* for the notify structure
4499 		 */
4500 		/*
4501 		 * All the relevant path information is in the associated immediate notify
4502 		 */
4503 		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);
4504 		ntp = get_ntp_from_tagdata(isp, ccb->cna2.tag_id, ccb->cna2.seq_id, &tptr);
4505 		if (ntp == NULL) {
4506 			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__,
4507 			     ccb->cna2.tag_id, ccb->cna2.seq_id);
4508 			ccb->ccb_h.status = CAM_DEV_NOT_THERE;
4509 			xpt_done(ccb);
4510 			break;
4511 		}
4512 		if (isp_handle_platform_target_notify_ack(isp, &ntp->rd.nt)) {
4513 			rls_lun_statep(isp, tptr);
4514 			cam_freeze_devq(ccb->ccb_h.path);
4515 			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
4516 			XS_SETERR(ccb, CAM_REQUEUE_REQ);
4517 			break;
4518 		}
4519 		isp_put_ntpd(isp, tptr, ntp);
4520 		rls_lun_statep(isp, tptr);
4521 		ccb->ccb_h.status = CAM_REQ_CMP;
4522 		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);
4523 		xpt_done(ccb);
4524 		break;
4525 	}
4526 	case XPT_CONT_TARGET_IO:
4527 		isp_target_start_ctio(isp, ccb);
4528 		break;
4529 #endif
4530 	case XPT_RESET_DEV:		/* BDR the specified SCSI device */
4531 
4532 		bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
4533 		tgt = ccb->ccb_h.target_id;
4534 		tgt |= (bus << 16);
4535 
4536 		error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt);
4537 		if (error) {
4538 			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4539 		} else {
4540 			ccb->ccb_h.status = CAM_REQ_CMP;
4541 		}
4542 		xpt_done(ccb);
4543 		break;
4544 	case XPT_ABORT:			/* Abort the specified CCB */
4545 	{
4546 		union ccb *accb = ccb->cab.abort_ccb;
4547 		switch (accb->ccb_h.func_code) {
4548 #ifdef	ISP_TARGET_MODE
4549 		case XPT_ACCEPT_TARGET_IO:
4550 			isp_target_mark_aborted(isp, accb);
4551 			break;
4552 #endif
4553 		case XPT_SCSI_IO:
4554 			error = isp_control(isp, ISPCTL_ABORT_CMD, ccb);
4555 			if (error) {
4556 				ccb->ccb_h.status = CAM_UA_ABORT;
4557 			} else {
4558 				ccb->ccb_h.status = CAM_REQ_CMP;
4559 			}
4560 			break;
4561 		default:
4562 			ccb->ccb_h.status = CAM_REQ_INVALID;
4563 			break;
4564 		}
4565 		/*
4566 		 * This is not a queued CCB, so the caller expects it to be
4567 		 * complete when control is returned.
4568 		 */
4569 		break;
4570 	}
4571 #define	IS_CURRENT_SETTINGS(c)	(c->type == CTS_TYPE_CURRENT_SETTINGS)
4572 	case XPT_SET_TRAN_SETTINGS:	/* Nexus Settings */
4573 		cts = &ccb->cts;
4574 		if (!IS_CURRENT_SETTINGS(cts)) {
4575 			ccb->ccb_h.status = CAM_REQ_INVALID;
4576 			xpt_done(ccb);
4577 			break;
4578 		}
4579 		tgt = cts->ccb_h.target_id;
4580 		bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
4581 		if (IS_SCSI(isp)) {
4582 			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
4583 			struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
4584 			sdparam *sdp = SDPARAM(isp, bus);
4585 			uint16_t *dptr;
4586 
4587 			if (spi->valid == 0 && scsi->valid == 0) {
4588 				ccb->ccb_h.status = CAM_REQ_CMP;
4589 				xpt_done(ccb);
4590 				break;
4591 			}
4592 
4593 			/*
4594 			 * We always update (internally) from goal_flags
4595 			 * so any request to change settings just gets
4596 			 * vectored to that location.
4597 			 */
4598 			dptr = &sdp->isp_devparam[tgt].goal_flags;
4599 
4600 			if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
4601 				if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
4602 					*dptr |= DPARM_DISC;
4603 				else
4604 					*dptr &= ~DPARM_DISC;
4605 			}
4606 
4607 			if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
4608 				if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
4609 					*dptr |= DPARM_TQING;
4610 				else
4611 					*dptr &= ~DPARM_TQING;
4612 			}
4613 
4614 			if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
4615 				if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
4616 					*dptr |= DPARM_WIDE;
4617 				else
4618 					*dptr &= ~DPARM_WIDE;
4619 			}
4620 
4621 			/*
4622 			 * XXX: FIX ME
4623 			 */
4624 			if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) {
4625 				*dptr |= DPARM_SYNC;
4626 				/*
4627 				 * XXX: CHECK FOR LEGALITY
4628 				 */
4629 				sdp->isp_devparam[tgt].goal_period = spi->sync_period;
4630 				sdp->isp_devparam[tgt].goal_offset = spi->sync_offset;
4631 			} else {
4632 				*dptr &= ~DPARM_SYNC;
4633 			}
4634 			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,
4635 			    sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period);
4636 			sdp->isp_devparam[tgt].dev_update = 1;
4637 			sdp->update = 1;
4638 		}
4639 		ccb->ccb_h.status = CAM_REQ_CMP;
4640 		xpt_done(ccb);
4641 		break;
4642 	case XPT_GET_TRAN_SETTINGS:
4643 		cts = &ccb->cts;
4644 		tgt = cts->ccb_h.target_id;
4645 		bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
4646 		if (IS_FC(isp)) {
4647 			fcparam *fcp = FCPARAM(isp, bus);
4648 			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
4649 			struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc;
4650 			unsigned int hdlidx;
4651 
4652 			cts->protocol = PROTO_SCSI;
4653 			cts->protocol_version = SCSI_REV_2;
4654 			cts->transport = XPORT_FC;
4655 			cts->transport_version = 0;
4656 
4657 			scsi->valid = CTS_SCSI_VALID_TQ;
4658 			scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
4659 			fc->valid = CTS_FC_VALID_SPEED;
4660 			fc->bitrate = 100000;
4661 			fc->bitrate *= fcp->isp_gbspeed;
4662 			hdlidx = fcp->isp_dev_map[tgt] - 1;
4663 			if (hdlidx < MAX_FC_TARG) {
4664 				fcportdb_t *lp = &fcp->portdb[hdlidx];
4665 				fc->wwnn = lp->node_wwn;
4666 				fc->wwpn = lp->port_wwn;
4667 				fc->port = lp->portid;
4668 				fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
4669 			}
4670 		} else {
4671 			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
4672 			struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
4673 			sdparam *sdp = SDPARAM(isp, bus);
4674 			uint16_t dval, pval, oval;
4675 
4676 			if (IS_CURRENT_SETTINGS(cts)) {
4677 				sdp->isp_devparam[tgt].dev_refresh = 1;
4678 				sdp->update = 1;
4679 				(void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
4680 				dval = sdp->isp_devparam[tgt].actv_flags;
4681 				oval = sdp->isp_devparam[tgt].actv_offset;
4682 				pval = sdp->isp_devparam[tgt].actv_period;
4683 			} else {
4684 				dval = sdp->isp_devparam[tgt].nvrm_flags;
4685 				oval = sdp->isp_devparam[tgt].nvrm_offset;
4686 				pval = sdp->isp_devparam[tgt].nvrm_period;
4687 			}
4688 
4689 			cts->protocol = PROTO_SCSI;
4690 			cts->protocol_version = SCSI_REV_2;
4691 			cts->transport = XPORT_SPI;
4692 			cts->transport_version = 2;
4693 
4694 			spi->valid = 0;
4695 			scsi->valid = 0;
4696 			spi->flags = 0;
4697 			scsi->flags = 0;
4698 			if (dval & DPARM_DISC) {
4699 				spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
4700 			}
4701 			if ((dval & DPARM_SYNC) && oval && pval) {
4702 				spi->sync_offset = oval;
4703 				spi->sync_period = pval;
4704 			} else {
4705 				spi->sync_offset = 0;
4706 				spi->sync_period = 0;
4707 			}
4708 			spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
4709 			spi->valid |= CTS_SPI_VALID_SYNC_RATE;
4710 			spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
4711 			if (dval & DPARM_WIDE) {
4712 				spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
4713 			} else {
4714 				spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
4715 			}
4716 			if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
4717 				scsi->valid = CTS_SCSI_VALID_TQ;
4718 				if (dval & DPARM_TQING) {
4719 					scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
4720 				}
4721 				spi->valid |= CTS_SPI_VALID_DISC;
4722 			}
4723 			isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%d) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
4724 			    bus, tgt, cts->ccb_h.target_lun, dval, oval, pval);
4725 		}
4726 		ccb->ccb_h.status = CAM_REQ_CMP;
4727 		xpt_done(ccb);
4728 		break;
4729 
4730 	case XPT_CALC_GEOMETRY:
4731 		cam_calc_geometry(&ccb->ccg, 1);
4732 		xpt_done(ccb);
4733 		break;
4734 
4735 	case XPT_RESET_BUS:		/* Reset the specified bus */
4736 		bus = cam_sim_bus(sim);
4737 		error = isp_control(isp, ISPCTL_RESET_BUS, bus);
4738 		if (error) {
4739 			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4740 			xpt_done(ccb);
4741 			break;
4742 		}
4743 		if (bootverbose) {
4744 			xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus);
4745 		}
4746 		if (IS_FC(isp)) {
4747 			xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0);
4748 		} else {
4749 			xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0);
4750 		}
4751 		ccb->ccb_h.status = CAM_REQ_CMP;
4752 		xpt_done(ccb);
4753 		break;
4754 
4755 	case XPT_TERM_IO:		/* Terminate the I/O process */
4756 		ccb->ccb_h.status = CAM_REQ_INVALID;
4757 		xpt_done(ccb);
4758 		break;
4759 
4760 #if 0
4761 	case XPT_SET_SIM_KNOB:		/* Set SIM knobs */
4762 	{
4763 		struct ccb_sim_knob *kp = &ccb->knob;
4764 		fcparam *fcp;
4765 
4766 
4767 		if (!IS_FC(isp)) {
4768 			ccb->ccb_h.status = CAM_REQ_INVALID;
4769 			xpt_done(ccb);
4770 			break;
4771 		}
4772 
4773 		bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
4774 		fcp = FCPARAM(isp, bus);
4775 
4776 		if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) {
4777 			fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn;
4778 			fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn;
4779 			isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn);
4780 		}
4781 		ccb->ccb_h.status = CAM_REQ_CMP;
4782 		if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) {
4783 			int rchange = 0;
4784 			int newrole = 0;
4785 
4786 			switch (kp->xport_specific.fc.role) {
4787 			case KNOB_ROLE_NONE:
4788 				if (fcp->role != ISP_ROLE_NONE) {
4789 					rchange = 1;
4790 					newrole = ISP_ROLE_NONE;
4791 				}
4792 				break;
4793 			case KNOB_ROLE_TARGET:
4794 				if (fcp->role != ISP_ROLE_TARGET) {
4795 					rchange = 1;
4796 					newrole = ISP_ROLE_TARGET;
4797 				}
4798 				break;
4799 			case KNOB_ROLE_INITIATOR:
4800 				if (fcp->role != ISP_ROLE_INITIATOR) {
4801 					rchange = 1;
4802 					newrole = ISP_ROLE_INITIATOR;
4803 				}
4804 				break;
4805 			case KNOB_ROLE_BOTH:
4806 #if 0
4807 				if (fcp->role != ISP_ROLE_BOTH) {
4808 					rchange = 1;
4809 					newrole = ISP_ROLE_BOTH;
4810 				}
4811 #else
4812 				/*
4813 				 * We don't really support dual role at present on FC cards.
4814 				 *
4815 				 * We should, but a bunch of things are currently broken,
4816 				 * so don't allow it.
4817 				 */
4818 				isp_prt(isp, ISP_LOGERR, "cannot support dual role at present");
4819 				ccb->ccb_h.status = CAM_REQ_INVALID;
4820 #endif
4821 				break;
4822 			}
4823 			if (rchange) {
4824 				if (isp_fc_change_role(isp, bus, newrole) != 0) {
4825 					ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4826 #ifdef	ISP_TARGET_MODE
4827 				} else if (newrole == ISP_ROLE_TARGET || newrole == ISP_ROLE_BOTH) {
4828 					isp_enable_deferred_luns(isp, bus);
4829 #endif
4830 				}
4831 			}
4832 		}
4833 		xpt_done(ccb);
4834 		break;
4835 	}
4836 	case XPT_GET_SIM_KNOB:		/* Set SIM knobs */
4837 	{
4838 		struct ccb_sim_knob *kp = &ccb->knob;
4839 
4840 		if (IS_FC(isp)) {
4841 			fcparam *fcp;
4842 
4843 			bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
4844 			fcp = FCPARAM(isp, bus);
4845 
4846 			kp->xport_specific.fc.wwnn = fcp->isp_wwnn;
4847 			kp->xport_specific.fc.wwpn = fcp->isp_wwpn;
4848 			switch (fcp->role) {
4849 			case ISP_ROLE_NONE:
4850 				kp->xport_specific.fc.role = KNOB_ROLE_NONE;
4851 				break;
4852 			case ISP_ROLE_TARGET:
4853 				kp->xport_specific.fc.role = KNOB_ROLE_TARGET;
4854 				break;
4855 			case ISP_ROLE_INITIATOR:
4856 				kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR;
4857 				break;
4858 			case ISP_ROLE_BOTH:
4859 				kp->xport_specific.fc.role = KNOB_ROLE_BOTH;
4860 				break;
4861 			}
4862 			kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE;
4863 			ccb->ccb_h.status = CAM_REQ_CMP;
4864 		} else {
4865 			ccb->ccb_h.status = CAM_REQ_INVALID;
4866 		}
4867 		xpt_done(ccb);
4868 		break;
4869 	}
4870 #endif
4871 	case XPT_PATH_INQ:		/* Path routing inquiry */
4872 	{
4873 		struct ccb_pathinq *cpi = &ccb->cpi;
4874 
4875 		cpi->version_num = 1;
4876 #ifdef	ISP_TARGET_MODE
4877 		cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
4878 #else
4879 		cpi->target_sprt = 0;
4880 #endif
4881 		cpi->hba_eng_cnt = 0;
4882 		cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
4883 		cpi->max_lun = ISP_MAX_LUNS(isp) - 1;
4884 		cpi->bus_id = cam_sim_bus(sim);
4885 		bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
4886 		if (IS_FC(isp)) {
4887 			fcparam *fcp = FCPARAM(isp, bus);
4888 
4889 			cpi->hba_misc = PIM_NOBUSRESET;
4890 
4891 			/*
4892 			 * Because our loop ID can shift from time to time,
4893 			 * make our initiator ID out of range of our bus.
4894 			 */
4895 			cpi->initiator_id = cpi->max_target + 1;
4896 
4897 			/*
4898 			 * Set base transfer capabilities for Fibre Channel, for this HBA.
4899 			 */
4900 			if (IS_25XX(isp)) {
4901 				cpi->base_transfer_speed = 8000000;
4902 			} else if (IS_24XX(isp)) {
4903 				cpi->base_transfer_speed = 4000000;
4904 			} else if (IS_23XX(isp)) {
4905 				cpi->base_transfer_speed = 2000000;
4906 			} else {
4907 				cpi->base_transfer_speed = 1000000;
4908 			}
4909 			cpi->hba_inquiry = PI_TAG_ABLE;
4910 			cpi->transport = XPORT_FC;
4911 			cpi->transport_version = 0;
4912 			cpi->xport_specific.fc.wwnn = fcp->isp_wwnn;
4913 			cpi->xport_specific.fc.wwpn = fcp->isp_wwpn;
4914 			cpi->xport_specific.fc.port = fcp->isp_portid;
4915 			cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000;
4916 		} else {
4917 			sdparam *sdp = SDPARAM(isp, bus);
4918 			cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
4919 			cpi->hba_misc = 0;
4920 			cpi->initiator_id = sdp->isp_initiator_id;
4921 			cpi->base_transfer_speed = 3300;
4922 			cpi->transport = XPORT_SPI;
4923 			cpi->transport_version = 2;
4924 		}
4925 		cpi->protocol = PROTO_SCSI;
4926 		cpi->protocol_version = SCSI_REV_2;
4927 		strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
4928 		strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
4929 		strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
4930 		cpi->unit_number = cam_sim_unit(sim);
4931 		cpi->ccb_h.status = CAM_REQ_CMP;
4932 		xpt_done(ccb);
4933 		break;
4934 	}
4935 	default:
4936 		ccb->ccb_h.status = CAM_REQ_INVALID;
4937 		xpt_done(ccb);
4938 		break;
4939 	}
4940 }
4941 
4942 #define	ISPDDB	(CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB)
4943 
4944 void
4945 isp_done(XS_T *sccb)
4946 {
4947 	ispsoftc_t *isp = XS_ISP(sccb);
4948 	uint32_t status;
4949 
4950 	if (XS_NOERR(sccb))
4951 		XS_SETERR(sccb, CAM_REQ_CMP);
4952 
4953 	if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) {
4954 		sccb->ccb_h.status &= ~CAM_STATUS_MASK;
4955 		if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
4956 			sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
4957 		} else {
4958 			sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
4959 		}
4960 	}
4961 
4962 	sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
4963 	status = sccb->ccb_h.status & CAM_STATUS_MASK;
4964 	if (status != CAM_REQ_CMP) {
4965 		if (status != CAM_SEL_TIMEOUT)
4966 			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);
4967 		if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
4968 			sccb->ccb_h.status |= CAM_DEV_QFRZN;
4969 			xpt_freeze_devq(sccb->ccb_h.path, 1);
4970 		}
4971 	}
4972 
4973 	if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) && (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4974 		xpt_print(sccb->ccb_h.path, "cam completion status 0x%x\n", sccb->ccb_h.status);
4975 	}
4976 
4977 	XS_CMD_S_DONE(sccb);
4978 	if (XS_TACTIVE_P(sccb))
4979 		callout_stop(&PISP_PCMD(sccb)->wdog);
4980 	XS_CMD_S_CLEAR(sccb);
4981 	isp_free_pcmd(isp, (union ccb *) sccb);
4982 	xpt_done((union ccb *) sccb);
4983 }
4984 
4985 void
4986 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...)
4987 {
4988 	int bus;
4989 	static const char prom[] = "Chan %d PortID 0x%06x handle 0x%x role %s %s WWPN 0x%08x%08x";
4990 	static const char prom2[] = "Chan %d PortID 0x%06x handle 0x%x role %s %s tgt %u WWPN 0x%08x%08x";
4991 	char *msg = NULL;
4992 	target_id_t tgt;
4993 	fcportdb_t *lp;
4994 	struct isp_fc *fc;
4995 	struct cam_path *tmppath;
4996 	__va_list ap;
4997 
4998 	switch (cmd) {
4999 	case ISPASYNC_NEW_TGT_PARAMS:
5000 	{
5001 		struct ccb_trans_settings_scsi *scsi;
5002 		struct ccb_trans_settings_spi *spi;
5003 		int flags, tgt;
5004 		sdparam *sdp;
5005 		struct ccb_trans_settings cts;
5006 
5007 		memset(&cts, 0, sizeof (struct ccb_trans_settings));
5008 
5009 		__va_start(ap, cmd);
5010 		bus = __va_arg(ap, int);
5011 		tgt = __va_arg(ap, int);
5012 		__va_end(ap);
5013 		sdp = SDPARAM(isp, bus);
5014 
5015 		if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
5016 			isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus);
5017 			break;
5018 		}
5019 		flags = sdp->isp_devparam[tgt].actv_flags;
5020 		cts.type = CTS_TYPE_CURRENT_SETTINGS;
5021 		cts.protocol = PROTO_SCSI;
5022 		cts.transport = XPORT_SPI;
5023 
5024 		scsi = &cts.proto_specific.scsi;
5025 		spi = &cts.xport_specific.spi;
5026 
5027 		if (flags & DPARM_TQING) {
5028 			scsi->valid |= CTS_SCSI_VALID_TQ;
5029 			scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
5030 		}
5031 
5032 		if (flags & DPARM_DISC) {
5033 			spi->valid |= CTS_SPI_VALID_DISC;
5034 			spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
5035 		}
5036 		spi->flags |= CTS_SPI_VALID_BUS_WIDTH;
5037 		if (flags & DPARM_WIDE) {
5038 			spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
5039 		} else {
5040 			spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
5041 		}
5042 		if (flags & DPARM_SYNC) {
5043 			spi->valid |= CTS_SPI_VALID_SYNC_RATE;
5044 			spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
5045 			spi->sync_period = sdp->isp_devparam[tgt].actv_period;
5046 			spi->sync_offset = sdp->isp_devparam[tgt].actv_offset;
5047 		}
5048 		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);
5049 		xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
5050 		xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
5051 		xpt_free_path(tmppath);
5052 		break;
5053 	}
5054 	case ISPASYNC_BUS_RESET:
5055 	{
5056 		__va_start(ap, cmd);
5057 		bus = __va_arg(ap, int);
5058 		__va_end(ap);
5059 		isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus);
5060 		if (IS_FC(isp)) {
5061 			xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL);
5062 		} else {
5063 			xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL);
5064 		}
5065 		break;
5066 	}
5067 	case ISPASYNC_LIP:
5068 		if (msg == NULL) {
5069 			msg = "LIP Received";
5070 		}
5071 		/* FALLTHROUGH */
5072 	case ISPASYNC_LOOP_RESET:
5073 		if (msg == NULL) {
5074 			msg = "LOOP Reset";
5075 		}
5076 		/* FALLTHROUGH */
5077 	case ISPASYNC_LOOP_DOWN:
5078 	{
5079 		if (msg == NULL) {
5080 			msg = "LOOP Down";
5081 		}
5082 		__va_start(ap, cmd);
5083 		bus = __va_arg(ap, int);
5084 		__va_end(ap);
5085 
5086 		FCPARAM(isp, bus)->link_active = 0;
5087 
5088 		fc = ISP_FC_PC(isp, bus);
5089 		if (cmd == ISPASYNC_LOOP_DOWN && fc->ready) {
5090 			/*
5091 			 * We don't do any simq freezing if we are only in target mode
5092 			 */
5093 			if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) {
5094 				if (fc->path) {
5095 					isp_freeze_loopdown(isp, bus, msg);
5096 				}
5097 				if (!callout_active(&fc->ldt)) {
5098 					callout_reset(&fc->ldt, fc->loop_down_limit * hz, isp_ldt, fc);
5099 					isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Starting Loop Down Timer @ %lu", (unsigned long) time_second);
5100 				}
5101 			}
5102 		}
5103 		isp_prt(isp, ISP_LOGINFO, "Chan %d: %s", bus, msg);
5104 		break;
5105 	}
5106 	case ISPASYNC_LOOP_UP:
5107 		__va_start(ap, cmd);
5108 		bus = __va_arg(ap, int);
5109 		__va_end(ap);
5110 		fc = ISP_FC_PC(isp, bus);
5111 		/*
5112 		 * Now we just note that Loop has come up. We don't
5113 		 * actually do anything because we're waiting for a
5114 		 * Change Notify before activating the FC cleanup
5115 		 * thread to look at the state of the loop again.
5116 		 */
5117 		FCPARAM(isp, bus)->link_active = 1;
5118 		fc->loop_dead = 0;
5119 		fc->loop_down_time = 0;
5120 		isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus);
5121 		break;
5122 	case ISPASYNC_DEV_ARRIVED:
5123 		__va_start(ap, cmd);
5124 		bus = __va_arg(ap, int);
5125 		lp = __va_arg(ap, fcportdb_t *);
5126 		__va_end(ap);
5127 		fc = ISP_FC_PC(isp, bus);
5128 		lp->reserved = 0;
5129 		lp->gone_timer = 0;
5130 		if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && (lp->roles & (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT))) {
5131 			int dbidx = lp - FCPARAM(isp, bus)->portdb;
5132 			int i;
5133 
5134 			for (i = 0; i < MAX_FC_TARG; i++) {
5135 				if (i >= FL_ID && i <= SNS_ID) {
5136 					continue;
5137 				}
5138 				if (FCPARAM(isp, bus)->isp_dev_map[i] == 0) {
5139 					break;
5140 				}
5141 			}
5142 			if (i < MAX_FC_TARG) {
5143 				FCPARAM(isp, bus)->isp_dev_map[i] = dbidx + 1;
5144 				lp->dev_map_idx = i + 1;
5145 			} else {
5146 				isp_prt(isp, ISP_LOGWARN, "out of target ids");
5147 				isp_dump_portdb(isp, bus);
5148 			}
5149 		}
5150 		if (lp->dev_map_idx) {
5151 			tgt = lp->dev_map_idx - 1;
5152 			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);
5153 			isp_make_here(isp, bus, tgt);
5154 		} else {
5155 			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);
5156 		}
5157 		break;
5158 	case ISPASYNC_DEV_CHANGED:
5159 		__va_start(ap, cmd);
5160 		bus = __va_arg(ap, int);
5161 		lp = __va_arg(ap, fcportdb_t *);
5162 		__va_end(ap);
5163 		fc = ISP_FC_PC(isp, bus);
5164 		lp->reserved = 0;
5165 		lp->gone_timer = 0;
5166 		if (isp_change_is_bad) {
5167 			lp->state = FC_PORTDB_STATE_NIL;
5168 			if (lp->dev_map_idx) {
5169 				tgt = lp->dev_map_idx - 1;
5170 				FCPARAM(isp, bus)->isp_dev_map[tgt] = 0;
5171 				lp->dev_map_idx = 0;
5172 				isp_prt(isp, ISP_LOGCONFIG, prom3, bus, lp->portid, tgt, "change is bad");
5173 				isp_make_gone(isp, bus, tgt);
5174 			} else {
5175 				isp_prt(isp, ISP_LOGCONFIG, prom, bus, lp->portid, lp->handle, roles[lp->roles], "changed and departed",
5176 				    (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5177 			}
5178 		} else {
5179 			lp->portid = lp->new_portid;
5180 			lp->roles = lp->new_roles;
5181 			if (lp->dev_map_idx) {
5182 				int t = lp->dev_map_idx - 1;
5183 				FCPARAM(isp, bus)->isp_dev_map[t] = (lp - FCPARAM(isp, bus)->portdb) + 1;
5184 				tgt = lp->dev_map_idx - 1;
5185 				isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, roles[lp->roles], "changed at", tgt,
5186 				    (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5187 			} else {
5188 				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);
5189 			}
5190 		}
5191 		break;
5192 	case ISPASYNC_DEV_STAYED:
5193 		__va_start(ap, cmd);
5194 		bus = __va_arg(ap, int);
5195 		lp = __va_arg(ap, fcportdb_t *);
5196 		__va_end(ap);
5197 		if (lp->dev_map_idx) {
5198 			tgt = lp->dev_map_idx - 1;
5199 			isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, roles[lp->roles], "stayed at", tgt,
5200 			    (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5201 		} else {
5202 			isp_prt(isp, ISP_LOGCONFIG, prom, bus, lp->portid, lp->handle, roles[lp->roles], "stayed",
5203 			    (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5204 		}
5205 		break;
5206 	case ISPASYNC_DEV_GONE:
5207 		__va_start(ap, cmd);
5208 		bus = __va_arg(ap, int);
5209 		lp = __va_arg(ap, fcportdb_t *);
5210 		__va_end(ap);
5211 		fc = ISP_FC_PC(isp, bus);
5212 		/*
5213 		 * If this has a virtual target and we haven't marked it
5214 		 * that we're going to have isp_gdt tell the OS it's gone,
5215 		 * set the isp_gdt timer running on it.
5216 		 *
5217 		 * If it isn't marked that isp_gdt is going to get rid of it,
5218 		 * announce that it's gone.
5219 		 *
5220 		 */
5221 		if (lp->dev_map_idx && lp->reserved == 0) {
5222 			lp->reserved = 1;
5223 			lp->state = FC_PORTDB_STATE_ZOMBIE;
5224 			lp->gone_timer = ISP_FC_PC(isp, bus)->gone_device_time;
5225 			if (fc->ready && !callout_active(&fc->gdt)) {
5226 				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);
5227 				callout_reset(&fc->gdt, hz, isp_gdt, fc);
5228 			}
5229 			tgt = lp->dev_map_idx - 1;
5230 			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);
5231 		} else if (lp->reserved == 0) {
5232 			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);
5233 		}
5234 		break;
5235 	case ISPASYNC_CHANGE_NOTIFY:
5236 	{
5237 		char *msg;
5238 		int evt, nphdl, nlstate, reason;
5239 
5240 		__va_start(ap, cmd);
5241 		bus = __va_arg(ap, int);
5242 		evt = __va_arg(ap, int);
5243 		if (IS_24XX(isp) && evt == ISPASYNC_CHANGE_PDB) {
5244 			nphdl = __va_arg(ap, int);
5245 			nlstate = __va_arg(ap, int);
5246 			reason = __va_arg(ap, int);
5247 		} else {
5248 			nphdl = NIL_HANDLE;
5249 			nlstate = reason = 0;
5250 		}
5251 		__va_end(ap);
5252 		fc = ISP_FC_PC(isp, bus);
5253 
5254 		if (evt == ISPASYNC_CHANGE_PDB) {
5255 			msg = "Chan %d Port Database Changed";
5256 		} else if (evt == ISPASYNC_CHANGE_SNS) {
5257 			msg = "Chan %d Name Server Database Changed";
5258 		} else {
5259 			msg = "Chan %d Other Change Notify";
5260 		}
5261 
5262 		/*
5263 		 * If the loop down timer is running, cancel it.
5264 		 */
5265 		if (fc->ready && callout_active(&fc->ldt)) {
5266 			isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Stopping Loop Down Timer @ %lu", (unsigned long) time_second);
5267 			callout_stop(&fc->ldt);
5268 		}
5269 		isp_prt(isp, ISP_LOGINFO, msg, bus);
5270 		if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) {
5271 			isp_freeze_loopdown(isp, bus, msg);
5272 		}
5273 		wakeup(fc);
5274 		break;
5275 	}
5276 #ifdef	ISP_TARGET_MODE
5277 	case ISPASYNC_TARGET_NOTIFY:
5278 	{
5279 		isp_notify_t *notify;
5280 		__va_start(ap, cmd);
5281 		notify = __va_arg(ap, isp_notify_t *);
5282 		__va_end(ap);
5283 		switch (notify->nt_ncode) {
5284 		case NT_ABORT_TASK:
5285 		case NT_ABORT_TASK_SET:
5286 		case NT_CLEAR_ACA:
5287 		case NT_CLEAR_TASK_SET:
5288 		case NT_LUN_RESET:
5289 		case NT_TARGET_RESET:
5290 			/*
5291 			 * These are task management functions.
5292 			 */
5293 			isp_handle_platform_target_tmf(isp, notify);
5294 			break;
5295 		case NT_BUS_RESET:
5296 		case NT_LIP_RESET:
5297 		case NT_LINK_UP:
5298 		case NT_LINK_DOWN:
5299 			/*
5300 			 * No action need be taken here.
5301 			 */
5302 			break;
5303 		case NT_HBA_RESET:
5304 			isp_del_all_wwn_entries(isp, ISP_NOCHAN);
5305 			break;
5306 		case NT_LOGOUT:
5307 			/*
5308 			 * This is device arrival/departure notification
5309 			 */
5310 			isp_handle_platform_target_notify_ack(isp, notify);
5311 			break;
5312 		case NT_ARRIVED:
5313 		{
5314 			struct ac_contract ac;
5315 			struct ac_device_changed *fc;
5316 
5317 			ac.contract_number = AC_CONTRACT_DEV_CHG;
5318 			fc = (struct ac_device_changed *) ac.contract_data;
5319 			fc->wwpn = notify->nt_wwn;
5320 			fc->port = notify->nt_sid;
5321 			fc->target = notify->nt_nphdl;
5322 			fc->arrived = 1;
5323 			xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac);
5324 			break;
5325 		}
5326 		case NT_DEPARTED:
5327 		{
5328 			struct ac_contract ac;
5329 			struct ac_device_changed *fc;
5330 
5331 			ac.contract_number = AC_CONTRACT_DEV_CHG;
5332 			fc = (struct ac_device_changed *) ac.contract_data;
5333 			fc->wwpn = notify->nt_wwn;
5334 			fc->port = notify->nt_sid;
5335 			fc->target = notify->nt_nphdl;
5336 			fc->arrived = 0;
5337 			xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac);
5338 			break;
5339 		}
5340 		default:
5341 			isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode);
5342 			isp_handle_platform_target_notify_ack(isp, notify);
5343 			break;
5344 		}
5345 		break;
5346 	}
5347 	case ISPASYNC_TARGET_ACTION:
5348 	{
5349 		isphdr_t *hp;
5350 
5351 		__va_start(ap, cmd);
5352 		hp = __va_arg(ap, isphdr_t *);
5353 		__va_end(ap);
5354 		switch (hp->rqs_entry_type) {
5355 		default:
5356 			isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type);
5357 			break;
5358 		case RQSTYPE_NOTIFY:
5359 			if (IS_SCSI(isp)) {
5360 				isp_handle_platform_notify_scsi(isp, (in_entry_t *) hp);
5361 			} else if (IS_24XX(isp)) {
5362 				isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp);
5363 			} else {
5364 				isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp);
5365 			}
5366 			break;
5367 		case RQSTYPE_ATIO:
5368 			if (IS_24XX(isp)) {
5369 				isp_handle_platform_atio7(isp, (at7_entry_t *) hp);
5370 			} else {
5371 				isp_handle_platform_atio(isp, (at_entry_t *) hp);
5372 			}
5373 			break;
5374 		case RQSTYPE_ATIO2:
5375 			isp_handle_platform_atio2(isp, (at2_entry_t *) hp);
5376 			break;
5377 		case RQSTYPE_CTIO7:
5378 		case RQSTYPE_CTIO3:
5379 		case RQSTYPE_CTIO2:
5380 		case RQSTYPE_CTIO:
5381 			isp_handle_platform_ctio(isp, hp);
5382 			break;
5383 		case RQSTYPE_ABTS_RCVD:
5384 		{
5385 			abts_t *abts = (abts_t *)hp;
5386 			isp_notify_t notify, *nt = &notify;
5387 			tstate_t *tptr;
5388 			fcportdb_t *lp;
5389 			uint16_t chan;
5390 			uint32_t sid, did;
5391 
5392 			did = (abts->abts_did_hi << 16) | abts->abts_did_lo;
5393 			sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo;
5394 			ISP_MEMZERO(nt, sizeof (isp_notify_t));
5395 
5396 			nt->nt_hba = isp;
5397 			nt->nt_did = did;
5398 			nt->nt_nphdl = abts->abts_nphdl;
5399 			nt->nt_sid = sid;
5400 			isp_find_chan_by_did(isp, did, &chan);
5401 			if (chan == ISP_NOCHAN) {
5402 				nt->nt_tgt = TGT_ANY;
5403 			} else {
5404 				nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn;
5405 				if (isp_find_pdb_by_loopid(isp, chan, abts->abts_nphdl, &lp)) {
5406 					nt->nt_wwn = lp->port_wwn;
5407 				} else {
5408 					nt->nt_wwn = INI_ANY;
5409 				}
5410 			}
5411 			/*
5412 			 * Try hard to find the lun for this command.
5413 			 */
5414 			tptr = get_lun_statep_from_tag(isp, chan, abts->abts_rxid_task);
5415 			if (tptr) {
5416 				nt->nt_lun = xpt_path_lun_id(tptr->owner);
5417 				rls_lun_statep(isp, tptr);
5418 			} else {
5419 				nt->nt_lun = LUN_ANY;
5420 			}
5421 			nt->nt_need_ack = 1;
5422 			nt->nt_tagval = abts->abts_rxid_task;
5423 			nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32);
5424 			if (abts->abts_rxid_task == ISP24XX_NO_TASK) {
5425 				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)",
5426 				    abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id);
5427 			} else {
5428 				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)",
5429 				    abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id);
5430 			}
5431 			nt->nt_channel = chan;
5432 			nt->nt_ncode = NT_ABORT_TASK;
5433 			nt->nt_lreserved = hp;
5434 			isp_handle_platform_target_tmf(isp, nt);
5435 			break;
5436 		}
5437 		case RQSTYPE_ENABLE_LUN:
5438 		case RQSTYPE_MODIFY_LUN:
5439 			isp_ledone(isp, (lun_entry_t *) hp);
5440 			break;
5441 		}
5442 		break;
5443 	}
5444 #endif
5445 	case ISPASYNC_FW_CRASH:
5446 	{
5447 		uint16_t mbox1, mbox6;
5448 		mbox1 = ISP_READ(isp, OUTMAILBOX1);
5449 		if (IS_DUALBUS(isp)) {
5450 			mbox6 = ISP_READ(isp, OUTMAILBOX6);
5451 		} else {
5452 			mbox6 = 0;
5453 		}
5454 		isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1);
5455 		mbox1 = isp->isp_osinfo.mbox_sleep_ok;
5456 		isp->isp_osinfo.mbox_sleep_ok = 0;
5457 		isp_reinit(isp, 1);
5458 		isp->isp_osinfo.mbox_sleep_ok = mbox1;
5459 		isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
5460 		break;
5461 	}
5462 	default:
5463 		isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
5464 		break;
5465 	}
5466 }
5467 
5468 
5469 /*
5470  * Locks are held before coming here.
5471  */
5472 void
5473 isp_uninit(ispsoftc_t *isp)
5474 {
5475 	if (IS_24XX(isp)) {
5476 		ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET);
5477 	} else {
5478 		ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
5479 	}
5480 	ISP_DISABLE_INTS(isp);
5481 }
5482 
5483 /*
5484  * When we want to get the 'default' WWNs (when lacking NVRAM), we pick them
5485  * up from our platform default (defww{p|n}n) and morph them based upon
5486  * channel.
5487  *
5488  * When we want to get the 'active' WWNs, we get NVRAM WWNs and then morph them
5489  * based upon channel.
5490  */
5491 
5492 uint64_t
5493 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn)
5494 {
5495 	uint64_t seed;
5496 	struct isp_fc *fc = ISP_FC_PC(isp, chan);
5497 
5498 	/*
5499 	 * If we're asking for a active WWN, the default overrides get
5500 	 * returned, otherwise the NVRAM value is picked.
5501 	 *
5502 	 * If we're asking for a default WWN, we just pick the default override.
5503 	 */
5504 	if (isactive) {
5505 		seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
5506 		if (seed) {
5507 			return (seed);
5508 		}
5509 		seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : FCPARAM(isp, chan)->isp_wwpn_nvram;
5510 		if (seed) {
5511 			return (seed);
5512 		}
5513 		return (0x400000007F000009ull);
5514 	} else {
5515 		seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
5516 	}
5517 
5518 
5519 	/*
5520 	 * For channel zero just return what we have. For either ACTIVE or
5521 	 * DEFAULT cases, we depend on default override of NVRAM values for
5522 	 * channel zero.
5523 	 */
5524 	if (chan == 0) {
5525 		return (seed);
5526 	}
5527 
5528 	/*
5529 	 * For other channels, we are doing one of three things:
5530 	 *
5531 	 * 1. If what we have now is non-zero, return it. Otherwise we morph
5532 	 * values from channel 0. 2. If we're here for a WWPN we synthesize
5533 	 * it if Channel 0's wwpn has a type 2 NAA. 3. If we're here for a
5534 	 * WWNN we synthesize it if Channel 0's wwnn has a type 2 NAA.
5535 	 */
5536 
5537 	if (seed) {
5538 		return (seed);
5539 	}
5540 	if (isactive) {
5541 		seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : FCPARAM(isp, 0)->isp_wwpn_nvram;
5542 	} else {
5543 		seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : ISP_FC_PC(isp, 0)->def_wwpn;
5544 	}
5545 
5546 	if (((seed >> 60) & 0xf) == 2) {
5547 		/*
5548 		 * The type 2 NAA fields for QLogic cards appear be laid out
5549 		 * thusly:
5550 		 *
5551 		 * bits 63..60 NAA == 2 bits 59..57 unused/zero bit 56
5552 		 * port (1) or node (0) WWN distinguishor bit 48
5553 		 * physical port on dual-port chips (23XX/24XX)
5554 		 *
5555 		 * This is somewhat nutty, particularly since bit 48 is
5556 		 * irrelevant as they assign separate serial numbers to
5557 		 * different physical ports anyway.
5558 		 *
5559 		 * We'll stick our channel number plus one first into bits
5560 		 * 57..59 and thence into bits 52..55 which allows for 8 bits
5561 		 * of channel which is comfortably more than our maximum
5562 		 * (126) now.
5563 		 */
5564 		seed &= ~0x0FF0000000000000ULL;
5565 		if (iswwnn == 0) {
5566 			seed |= ((uint64_t) (chan + 1) & 0xf) << 56;
5567 			seed |= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52;
5568 		}
5569 	} else {
5570 		seed = 0;
5571 	}
5572 	return (seed);
5573 }
5574 
5575 void
5576 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
5577 {
5578 	int loc;
5579 	char lbuf[128];
5580 	__va_list ap;
5581 
5582 	if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
5583 		return;
5584 	}
5585 	ksprintf(lbuf, "%s: ", device_get_nameunit(isp->isp_dev));
5586 	loc = strlen(lbuf);
5587 	__va_start(ap, fmt);
5588 	kvsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap);
5589 	__va_end(ap);
5590 	kprintf("%s\n", lbuf);
5591 }
5592 
5593 void
5594 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...)
5595 {
5596 	__va_list ap;
5597 	if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
5598 		return;
5599 	}
5600 	xpt_print_path(xs->ccb_h.path);
5601 	__va_start(ap, fmt);
5602 	kvprintf(fmt, ap);
5603 	__va_end(ap);
5604 	kprintf("\n");
5605 }
5606 
5607 uint64_t
5608 isp_nanotime_sub(struct timespec *b, struct timespec *a)
5609 {
5610 	uint64_t elapsed;
5611 	struct timespec x = *b;
5612 	timespecsub(&x, a);
5613 	elapsed = GET_NANOSEC(&x);
5614 	if (elapsed == 0)
5615 		elapsed++;
5616 	return (elapsed);
5617 }
5618 
5619 int
5620 isp_mbox_acquire(ispsoftc_t *isp)
5621 {
5622 	if (isp->isp_osinfo.mboxbsy) {
5623 		return (1);
5624 	} else {
5625 		isp->isp_osinfo.mboxcmd_done = 0;
5626 		isp->isp_osinfo.mboxbsy = 1;
5627 		return (0);
5628 	}
5629 }
5630 
5631 void
5632 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp)
5633 {
5634 	unsigned int usecs = mbp->timeout;
5635 	unsigned int max, olim, ilim;
5636 
5637 	if (usecs == 0) {
5638 		usecs = MBCMD_DEFAULT_TIMEOUT;
5639 	}
5640 	max = isp->isp_mbxwrk0 + 1;
5641 
5642 	if (isp->isp_osinfo.mbox_sleep_ok) {
5643 		unsigned int ms = (usecs + 999) / 1000;
5644 
5645 		isp->isp_osinfo.mbox_sleep_ok = 0;
5646 		isp->isp_osinfo.mbox_sleeping = 1;
5647 		for (olim = 0; olim < max; olim++) {
5648 			lksleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, 0, "ispmbx_sleep", isp_mstohz(ms));
5649 			if (isp->isp_osinfo.mboxcmd_done) {
5650 				break;
5651 			}
5652 		}
5653 		isp->isp_osinfo.mbox_sleep_ok = 1;
5654 		isp->isp_osinfo.mbox_sleeping = 0;
5655 	} else {
5656 		for (olim = 0; olim < max; olim++) {
5657 			for (ilim = 0; ilim < usecs; ilim += 100) {
5658 				uint32_t isr;
5659 				uint16_t sema, mbox;
5660 				if (isp->isp_osinfo.mboxcmd_done) {
5661 					break;
5662 				}
5663 				if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
5664 					isp_intr(isp, isr, sema, mbox);
5665 					if (isp->isp_osinfo.mboxcmd_done) {
5666 						break;
5667 					}
5668 				}
5669 				ISP_DELAY(100);
5670 			}
5671 			if (isp->isp_osinfo.mboxcmd_done) {
5672 				break;
5673 			}
5674 		}
5675 	}
5676 	if (isp->isp_osinfo.mboxcmd_done == 0) {
5677 		isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)",
5678 		    isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno);
5679 		mbp->param[0] = MBOX_TIMEOUT;
5680 		isp->isp_osinfo.mboxcmd_done = 1;
5681 	}
5682 }
5683 
5684 void
5685 isp_mbox_notify_done(ispsoftc_t *isp)
5686 {
5687 	if (isp->isp_osinfo.mbox_sleeping) {
5688 		wakeup(&isp->isp_mbxworkp);
5689 	}
5690 	isp->isp_osinfo.mboxcmd_done = 1;
5691 }
5692 
5693 void
5694 isp_mbox_release(ispsoftc_t *isp)
5695 {
5696 	isp->isp_osinfo.mboxbsy = 0;
5697 }
5698 
5699 int
5700 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan)
5701 {
5702 	int ret = 0;
5703 	if (isp->isp_osinfo.pc.fc[chan].fcbsy) {
5704 		ret = -1;
5705 	} else {
5706 		isp->isp_osinfo.pc.fc[chan].fcbsy = 1;
5707 	}
5708 	return (ret);
5709 }
5710 
5711 int
5712 isp_mstohz(int ms)
5713 {
5714 	int hz;
5715 	struct timeval t;
5716 	t.tv_sec = ms / 1000;
5717 	t.tv_usec = (ms % 1000) * 1000;
5718 	hz = tvtohz_high(&t);
5719 	if (hz < 0) {
5720 		hz = 0x7fffffff;
5721 	}
5722 	if (hz == 0) {
5723 		hz = 1;
5724 	}
5725 	return (hz);
5726 }
5727 
5728 void
5729 isp_platform_intr(void *arg)
5730 {
5731 	ispsoftc_t *isp = arg;
5732 	uint32_t isr;
5733 	uint16_t sema, mbox;
5734 
5735 	ISP_LOCK(isp);
5736 	isp->isp_intcnt++;
5737 	if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) {
5738 		isp->isp_intbogus++;
5739 	} else {
5740 		isp_intr(isp, isr, sema, mbox);
5741 	}
5742 	ISP_UNLOCK(isp);
5743 }
5744 
5745 void
5746 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl)
5747 {
5748 	if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
5749 		bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD);
5750 	} else {
5751 		bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE);
5752 	}
5753 	bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
5754 }
5755 
5756 void
5757 isp_timer(void *arg)
5758 {
5759 	ispsoftc_t *isp = arg;
5760 
5761 	ISP_LOCK(isp);
5762 #ifdef	ISP_TARGET_MODE
5763 	isp_tmcmd_restart(isp);
5764 #endif
5765 	ISP_UNLOCK(isp);
5766 	callout_reset(&isp->isp_osinfo.tmo, hz, isp_timer, isp);
5767 }
5768