isp_freebsd.c revision 316014
1/*-
2 * Copyright (c) 1997-2009 by Matthew Jacob
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice immediately at the beginning of the file, without modification,
10 *    this list of conditions, and the following disclaimer.
11 * 2. The name of the author may not be used to endorse or promote products
12 *    derived from this software without specific prior written permission.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27/*
28 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters.
29 */
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD: stable/11/sys/dev/isp/isp_freebsd.c 316014 2017-03-27 08:29:02Z mav $");
32
33#include <dev/isp/isp_freebsd.h>
34#include <sys/unistd.h>
35#include <sys/kthread.h>
36#include <sys/conf.h>
37#include <sys/module.h>
38#include <sys/ioccom.h>
39#include <dev/isp/isp_ioctl.h>
40#include <sys/devicestat.h>
41#include <cam/cam_periph.h>
42#include <cam/cam_xpt_periph.h>
43
44MODULE_VERSION(isp, 1);
45MODULE_DEPEND(isp, cam, 1, 1, 1);
46int isp_announced = 0;
47int isp_loop_down_limit = 60;	/* default loop down limit */
48int isp_quickboot_time = 7;	/* don't wait more than N secs for loop up */
49int isp_gone_device_time = 30;	/* grace time before reporting device lost */
50static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s";
51
52static void isp_freeze_loopdown(ispsoftc_t *, int);
53static void isp_loop_changed(ispsoftc_t *isp, int chan);
54static d_ioctl_t ispioctl;
55static void isp_cam_async(void *, uint32_t, struct cam_path *, void *);
56static void isp_poll(struct cam_sim *);
57static timeout_t isp_watchdog;
58static timeout_t isp_gdt;
59static task_fn_t isp_gdt_task;
60static void isp_kthread(void *);
61static void isp_action(struct cam_sim *, union ccb *);
62static int isp_timer_count;
63static void isp_timer(void *);
64
65static struct cdevsw isp_cdevsw = {
66	.d_version =	D_VERSION,
67	.d_ioctl =	ispioctl,
68	.d_name =	"isp",
69};
70
71static int
72isp_role_sysctl(SYSCTL_HANDLER_ARGS)
73{
74	ispsoftc_t *isp = (ispsoftc_t *)arg1;
75	int chan = arg2;
76	int error, old, value;
77
78	value = FCPARAM(isp, chan)->role;
79
80	error = sysctl_handle_int(oidp, &value, 0, req);
81	if ((error != 0) || (req->newptr == NULL))
82		return (error);
83
84	if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH)
85		return (EINVAL);
86
87	ISP_LOCK(isp);
88	old = FCPARAM(isp, chan)->role;
89
90	/* We don't allow target mode switch from here. */
91	value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR);
92
93	/* If nothing has changed -- we are done. */
94	if (value == old) {
95		ISP_UNLOCK(isp);
96		return (0);
97	}
98
99	/* Actually change the role. */
100	error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value);
101	ISP_UNLOCK(isp);
102	return (error);
103}
104
105static int
106isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
107{
108	struct ccb_setasync csa;
109	struct cam_sim *sim;
110	struct cam_path *path;
111#ifdef	ISP_TARGET_MODE
112	int i;
113#endif
114
115	/*
116	 * Construct our SIM entry.
117	 */
118	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);
119
120	if (sim == NULL) {
121		return (ENOMEM);
122	}
123
124	ISP_LOCK(isp);
125	if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) {
126		ISP_UNLOCK(isp);
127		cam_sim_free(sim, FALSE);
128		return (EIO);
129	}
130	ISP_UNLOCK(isp);
131	if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
132		ISP_LOCK(isp);
133		xpt_bus_deregister(cam_sim_path(sim));
134		ISP_UNLOCK(isp);
135		cam_sim_free(sim, FALSE);
136		return (ENXIO);
137	}
138	xpt_setup_ccb(&csa.ccb_h, path, 5);
139	csa.ccb_h.func_code = XPT_SASYNC_CB;
140	csa.event_enable = AC_LOST_DEVICE;
141	csa.callback = isp_cam_async;
142	csa.callback_arg = sim;
143
144	ISP_LOCK(isp);
145	xpt_action((union ccb *)&csa);
146	ISP_UNLOCK(isp);
147
148	if (IS_SCSI(isp)) {
149		struct isp_spi *spi = ISP_SPI_PC(isp, chan);
150		spi->sim = sim;
151		spi->path = path;
152#ifdef	ISP_TARGET_MODE
153		TAILQ_INIT(&spi->waitq);
154		STAILQ_INIT(&spi->ntfree);
155		for (i = 0; i < ATPDPSIZE; i++)
156			STAILQ_INSERT_TAIL(&spi->ntfree, &spi->ntpool[i], next);
157		LIST_INIT(&spi->atfree);
158		for (i = ATPDPSIZE-1; i >= 0; i--)
159			LIST_INSERT_HEAD(&spi->atfree, &spi->atpool[i], next);
160		for (i = 0; i < ATPDPHASHSIZE; i++)
161			LIST_INIT(&spi->atused[i]);
162#endif
163	} else {
164		fcparam *fcp = FCPARAM(isp, chan);
165		struct isp_fc *fc = ISP_FC_PC(isp, chan);
166		struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev);
167		struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev);
168		char name[16];
169
170		ISP_LOCK(isp);
171		fc->sim = sim;
172		fc->path = path;
173		fc->isp = isp;
174		fc->ready = 1;
175
176		callout_init_mtx(&fc->gdt, &isp->isp_osinfo.lock, 0);
177		TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc);
178#ifdef	ISP_TARGET_MODE
179		TAILQ_INIT(&fc->waitq);
180		STAILQ_INIT(&fc->ntfree);
181		for (i = 0; i < ATPDPSIZE; i++)
182			STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next);
183		LIST_INIT(&fc->atfree);
184		for (i = ATPDPSIZE-1; i >= 0; i--)
185			LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next);
186		for (i = 0; i < ATPDPHASHSIZE; i++)
187			LIST_INIT(&fc->atused[i]);
188#endif
189		isp_loop_changed(isp, chan);
190		ISP_UNLOCK(isp);
191		if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0,
192		    "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
193			xpt_free_path(fc->path);
194			ISP_LOCK(isp);
195			xpt_bus_deregister(cam_sim_path(fc->sim));
196			ISP_UNLOCK(isp);
197			cam_sim_free(fc->sim, FALSE);
198			return (ENOMEM);
199		}
200		fc->num_threads += 1;
201		if (chan > 0) {
202			snprintf(name, sizeof(name), "chan%d", chan);
203			tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree),
204			    OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel");
205		}
206		SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
207		    "wwnn", CTLFLAG_RD, &fcp->isp_wwnn,
208		    "World Wide Node Name");
209		SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
210		    "wwpn", CTLFLAG_RD, &fcp->isp_wwpn,
211		    "World Wide Port Name");
212		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
213		    "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0,
214		    "Loop Down Limit");
215		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
216		    "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0,
217		    "Gone Device Time");
218#if defined(ISP_TARGET_MODE) && defined(DEBUG)
219		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
220		    "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0,
221		    "Cause a Lost Frame on a Read");
222#endif
223		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
224		    "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan,
225		    isp_role_sysctl, "I", "Current role");
226		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
227		    "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0,
228		    "Connection speed in gigabits");
229		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
230		    "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0,
231		    "Link state");
232		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
233		    "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0,
234		    "Firmware state");
235		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
236		    "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0,
237		    "Loop state");
238		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
239		    "topo", CTLFLAG_RD, &fcp->isp_topo, 0,
240		    "Connection topology");
241	}
242	return (0);
243}
244
245static void
246isp_detach_chan(ispsoftc_t *isp, int chan)
247{
248	struct cam_sim *sim;
249	struct cam_path *path;
250	struct ccb_setasync csa;
251	int *num_threads;
252
253	ISP_GET_PC(isp, chan, sim, sim);
254	ISP_GET_PC(isp, chan, path, path);
255	ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads);
256
257	xpt_setup_ccb(&csa.ccb_h, path, 5);
258	csa.ccb_h.func_code = XPT_SASYNC_CB;
259	csa.event_enable = 0;
260	csa.callback = isp_cam_async;
261	csa.callback_arg = sim;
262	xpt_action((union ccb *)&csa);
263	xpt_free_path(path);
264	xpt_bus_deregister(cam_sim_path(sim));
265	cam_sim_free(sim, FALSE);
266
267	/* Wait for the channel's spawned threads to exit. */
268	wakeup(isp->isp_osinfo.pc.ptr);
269	while (*num_threads != 0)
270		mtx_sleep(isp, &isp->isp_osinfo.lock, PRIBIO, "isp_reap", 100);
271}
272
273int
274isp_attach(ispsoftc_t *isp)
275{
276	const char *nu = device_get_nameunit(isp->isp_osinfo.dev);
277	int du = device_get_unit(isp->isp_dev);
278	int chan;
279
280	/*
281	 * Create the device queue for our SIM(s).
282	 */
283	isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds);
284	if (isp->isp_osinfo.devq == NULL) {
285		return (EIO);
286	}
287
288	for (chan = 0; chan < isp->isp_nchan; chan++) {
289		if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) {
290			goto unwind;
291		}
292	}
293
294	callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_osinfo.lock, 0);
295	isp_timer_count = hz >> 2;
296	callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
297	isp->isp_osinfo.timer_active = 1;
298
299	isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu);
300	if (isp->isp_osinfo.cdev) {
301		isp->isp_osinfo.cdev->si_drv1 = isp;
302	}
303	return (0);
304
305unwind:
306	while (--chan >= 0) {
307		struct cam_sim *sim;
308		struct cam_path *path;
309
310		ISP_GET_PC(isp, chan, sim, sim);
311		ISP_GET_PC(isp, chan, path, path);
312		xpt_free_path(path);
313		ISP_LOCK(isp);
314		xpt_bus_deregister(cam_sim_path(sim));
315		ISP_UNLOCK(isp);
316		cam_sim_free(sim, FALSE);
317	}
318	if (isp->isp_osinfo.cdev) {
319		destroy_dev(isp->isp_osinfo.cdev);
320		isp->isp_osinfo.cdev = NULL;
321	}
322	cam_simq_free(isp->isp_osinfo.devq);
323	isp->isp_osinfo.devq = NULL;
324	return (-1);
325}
326
327int
328isp_detach(ispsoftc_t *isp)
329{
330	struct cam_sim *sim;
331	int chan;
332
333	ISP_LOCK(isp);
334	for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
335		ISP_GET_PC(isp, chan, sim, sim);
336		if (sim->refcount > 2) {
337			ISP_UNLOCK(isp);
338			return (EBUSY);
339		}
340	}
341	/* Tell spawned threads that we're exiting. */
342	isp->isp_osinfo.is_exiting = 1;
343	if (isp->isp_osinfo.timer_active) {
344		callout_stop(&isp->isp_osinfo.tmo);
345		isp->isp_osinfo.timer_active = 0;
346	}
347	for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1)
348		isp_detach_chan(isp, chan);
349	ISP_UNLOCK(isp);
350
351	if (isp->isp_osinfo.cdev) {
352		destroy_dev(isp->isp_osinfo.cdev);
353		isp->isp_osinfo.cdev = NULL;
354	}
355	if (isp->isp_osinfo.devq != NULL) {
356		cam_simq_free(isp->isp_osinfo.devq);
357		isp->isp_osinfo.devq = NULL;
358	}
359	return (0);
360}
361
362static void
363isp_freeze_loopdown(ispsoftc_t *isp, int chan)
364{
365	if (IS_FC(isp)) {
366		struct isp_fc *fc = ISP_FC_PC(isp, chan);
367		if (fc->simqfrozen == 0) {
368			isp_prt(isp, ISP_LOGDEBUG0,
369			    "Chan %d Freeze simq (loopdown)", chan);
370			fc->simqfrozen = SIMQFRZ_LOOPDOWN;
371			xpt_hold_boot();
372			xpt_freeze_simq(fc->sim, 1);
373		} else {
374			isp_prt(isp, ISP_LOGDEBUG0,
375			    "Chan %d Mark simq frozen (loopdown)", chan);
376			fc->simqfrozen |= SIMQFRZ_LOOPDOWN;
377		}
378	}
379}
380
381static void
382isp_unfreeze_loopdown(ispsoftc_t *isp, int chan)
383{
384	if (IS_FC(isp)) {
385		struct isp_fc *fc = ISP_FC_PC(isp, chan);
386		int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN;
387		fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN;
388		if (wasfrozen && fc->simqfrozen == 0) {
389			isp_prt(isp, ISP_LOGDEBUG0,
390			    "Chan %d Release simq", chan);
391			xpt_release_simq(fc->sim, 1);
392			xpt_release_boot();
393		}
394	}
395}
396
397
398static int
399ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td)
400{
401	ispsoftc_t *isp;
402	int nr, chan, retval = ENOTTY;
403
404	isp = dev->si_drv1;
405
406	switch (c) {
407	case ISP_SDBLEV:
408	{
409		int olddblev = isp->isp_dblev;
410		isp->isp_dblev = *(int *)addr;
411		*(int *)addr = olddblev;
412		retval = 0;
413		break;
414	}
415	case ISP_GETROLE:
416		chan = *(int *)addr;
417		if (chan < 0 || chan >= isp->isp_nchan) {
418			retval = -ENXIO;
419			break;
420		}
421		if (IS_FC(isp)) {
422			*(int *)addr = FCPARAM(isp, chan)->role;
423		} else {
424			*(int *)addr = ISP_ROLE_INITIATOR;
425		}
426		retval = 0;
427		break;
428	case ISP_SETROLE:
429		if (IS_SCSI(isp))
430			break;
431		nr = *(int *)addr;
432		chan = nr >> 8;
433		if (chan < 0 || chan >= isp->isp_nchan) {
434			retval = -ENXIO;
435			break;
436		}
437		nr &= 0xff;
438		if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
439			retval = EINVAL;
440			break;
441		}
442		ISP_LOCK(isp);
443		*(int *)addr = FCPARAM(isp, chan)->role;
444		retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr);
445		ISP_UNLOCK(isp);
446		retval = 0;
447		break;
448
449	case ISP_RESETHBA:
450		ISP_LOCK(isp);
451		isp_reinit(isp, 0);
452		ISP_UNLOCK(isp);
453		retval = 0;
454		break;
455
456	case ISP_RESCAN:
457		if (IS_FC(isp)) {
458			chan = *(int *)addr;
459			if (chan < 0 || chan >= isp->isp_nchan) {
460				retval = -ENXIO;
461				break;
462			}
463			ISP_LOCK(isp);
464			if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) {
465				retval = EIO;
466			} else {
467				retval = 0;
468			}
469			ISP_UNLOCK(isp);
470		}
471		break;
472
473	case ISP_FC_LIP:
474		if (IS_FC(isp)) {
475			chan = *(int *)addr;
476			if (chan < 0 || chan >= isp->isp_nchan) {
477				retval = -ENXIO;
478				break;
479			}
480			ISP_LOCK(isp);
481			if (isp_control(isp, ISPCTL_SEND_LIP, chan)) {
482				retval = EIO;
483			} else {
484				retval = 0;
485			}
486			ISP_UNLOCK(isp);
487		}
488		break;
489	case ISP_FC_GETDINFO:
490	{
491		struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
492		fcportdb_t *lp;
493
494		if (IS_SCSI(isp)) {
495			break;
496		}
497		if (ifc->loopid >= MAX_FC_TARG) {
498			retval = EINVAL;
499			break;
500		}
501		lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid];
502		if (lp->state != FC_PORTDB_STATE_NIL) {
503			ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
504			ifc->loopid = lp->handle;
505			ifc->portid = lp->portid;
506			ifc->node_wwn = lp->node_wwn;
507			ifc->port_wwn = lp->port_wwn;
508			retval = 0;
509		} else {
510			retval = ENODEV;
511		}
512		break;
513	}
514	case ISP_GET_STATS:
515	{
516		isp_stats_t *sp = (isp_stats_t *) addr;
517
518		ISP_MEMZERO(sp, sizeof (*sp));
519		sp->isp_stat_version = ISP_STATS_VERSION;
520		sp->isp_type = isp->isp_type;
521		sp->isp_revision = isp->isp_revision;
522		ISP_LOCK(isp);
523		sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt;
524		sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus;
525		sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc;
526		sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync;
527		sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt;
528		sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt;
529		sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater;
530		sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater;
531		ISP_UNLOCK(isp);
532		retval = 0;
533		break;
534	}
535	case ISP_CLR_STATS:
536		ISP_LOCK(isp);
537		isp->isp_intcnt = 0;
538		isp->isp_intbogus = 0;
539		isp->isp_intmboxc = 0;
540		isp->isp_intoasync = 0;
541		isp->isp_rsltccmplt = 0;
542		isp->isp_fphccmplt = 0;
543		isp->isp_rscchiwater = 0;
544		isp->isp_fpcchiwater = 0;
545		ISP_UNLOCK(isp);
546		retval = 0;
547		break;
548	case ISP_FC_GETHINFO:
549	{
550		struct isp_hba_device *hba = (struct isp_hba_device *) addr;
551		int chan = hba->fc_channel;
552
553		if (chan < 0 || chan >= isp->isp_nchan) {
554			retval = ENXIO;
555			break;
556		}
557		hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
558		hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
559		hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
560		hba->fc_nchannels = isp->isp_nchan;
561		if (IS_FC(isp)) {
562			hba->fc_nports = MAX_FC_TARG;
563			hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed;
564			hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1;
565			hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid;
566			hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram;
567			hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram;
568			hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn;
569			hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn;
570		} else {
571			hba->fc_nports = MAX_TARGETS;
572			hba->fc_speed = 0;
573			hba->fc_topology = 0;
574			hba->nvram_node_wwn = 0ull;
575			hba->nvram_port_wwn = 0ull;
576			hba->active_node_wwn = 0ull;
577			hba->active_port_wwn = 0ull;
578		}
579		retval = 0;
580		break;
581	}
582	case ISP_TSK_MGMT:
583	{
584		int needmarker;
585		struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
586		uint16_t nphdl;
587		mbreg_t mbs;
588
589		if (IS_SCSI(isp)) {
590			break;
591		}
592
593		chan = fct->chan;
594		if (chan < 0 || chan >= isp->isp_nchan) {
595			retval = -ENXIO;
596			break;
597		}
598
599		needmarker = retval = 0;
600		nphdl = fct->loopid;
601		ISP_LOCK(isp);
602		if (IS_24XX(isp)) {
603			void *reqp;
604			uint8_t resp[QENTRY_LEN];
605			isp24xx_tmf_t tmf;
606			isp24xx_statusreq_t sp;
607			fcparam *fcp = FCPARAM(isp, chan);
608			fcportdb_t *lp;
609			int i;
610
611			for (i = 0; i < MAX_FC_TARG; i++) {
612				lp = &fcp->portdb[i];
613				if (lp->handle == nphdl) {
614					break;
615				}
616			}
617			if (i == MAX_FC_TARG) {
618				retval = ENXIO;
619				ISP_UNLOCK(isp);
620				break;
621			}
622			ISP_MEMZERO(&tmf, sizeof(tmf));
623			tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT;
624			tmf.tmf_header.rqs_entry_count = 1;
625			tmf.tmf_nphdl = lp->handle;
626			tmf.tmf_delay = 2;
627			tmf.tmf_timeout = 4;
628			tmf.tmf_tidlo = lp->portid;
629			tmf.tmf_tidhi = lp->portid >> 16;
630			tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan);
631			tmf.tmf_lun[1] = fct->lun & 0xff;
632			if (fct->lun >= 256) {
633				tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8);
634			}
635			switch (fct->action) {
636			case IPT_CLEAR_ACA:
637				tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA;
638				break;
639			case IPT_TARGET_RESET:
640				tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET;
641				needmarker = 1;
642				break;
643			case IPT_LUN_RESET:
644				tmf.tmf_flags = ISP24XX_TMF_LUN_RESET;
645				needmarker = 1;
646				break;
647			case IPT_CLEAR_TASK_SET:
648				tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET;
649				needmarker = 1;
650				break;
651			case IPT_ABORT_TASK_SET:
652				tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET;
653				needmarker = 1;
654				break;
655			default:
656				retval = EINVAL;
657				break;
658			}
659			if (retval) {
660				ISP_UNLOCK(isp);
661				break;
662			}
663
664			/* Prepare space for response in memory */
665			memset(resp, 0xff, sizeof(resp));
666			tmf.tmf_handle = isp_allocate_handle(isp, resp,
667			    ISP_HANDLE_CTRL);
668			if (tmf.tmf_handle == 0) {
669				isp_prt(isp, ISP_LOGERR,
670				    "%s: TMF of Chan %d out of handles",
671				    __func__, chan);
672				ISP_UNLOCK(isp);
673				retval = ENOMEM;
674				break;
675			}
676
677			/* Send request and wait for response. */
678			reqp = isp_getrqentry(isp);
679			if (reqp == NULL) {
680				isp_prt(isp, ISP_LOGERR,
681				    "%s: TMF of Chan %d out of rqent",
682				    __func__, chan);
683				isp_destroy_handle(isp, tmf.tmf_handle);
684				ISP_UNLOCK(isp);
685				retval = EIO;
686				break;
687			}
688			isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp);
689			if (isp->isp_dblev & ISP_LOGDEBUG1)
690				isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp);
691			ISP_SYNC_REQUEST(isp);
692			if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) {
693				isp_prt(isp, ISP_LOGERR,
694				    "%s: TMF of Chan %d timed out",
695				    __func__, chan);
696				isp_destroy_handle(isp, tmf.tmf_handle);
697				ISP_UNLOCK(isp);
698				retval = EIO;
699				break;
700			}
701			if (isp->isp_dblev & ISP_LOGDEBUG1)
702				isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp);
703			isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp);
704
705			if (sp.req_completion_status != 0)
706				retval = EIO;
707			else if (needmarker)
708				fcp->sendmarker = 1;
709		} else {
710			MBSINIT(&mbs, 0, MBLOGALL, 0);
711			if (ISP_CAP_2KLOGIN(isp) == 0) {
712				nphdl <<= 8;
713			}
714			switch (fct->action) {
715			case IPT_CLEAR_ACA:
716				mbs.param[0] = MBOX_CLEAR_ACA;
717				mbs.param[1] = nphdl;
718				mbs.param[2] = fct->lun;
719				break;
720			case IPT_TARGET_RESET:
721				mbs.param[0] = MBOX_TARGET_RESET;
722				mbs.param[1] = nphdl;
723				needmarker = 1;
724				break;
725			case IPT_LUN_RESET:
726				mbs.param[0] = MBOX_LUN_RESET;
727				mbs.param[1] = nphdl;
728				mbs.param[2] = fct->lun;
729				needmarker = 1;
730				break;
731			case IPT_CLEAR_TASK_SET:
732				mbs.param[0] = MBOX_CLEAR_TASK_SET;
733				mbs.param[1] = nphdl;
734				mbs.param[2] = fct->lun;
735				needmarker = 1;
736				break;
737			case IPT_ABORT_TASK_SET:
738				mbs.param[0] = MBOX_ABORT_TASK_SET;
739				mbs.param[1] = nphdl;
740				mbs.param[2] = fct->lun;
741				needmarker = 1;
742				break;
743			default:
744				retval = EINVAL;
745				break;
746			}
747			if (retval == 0) {
748				if (needmarker) {
749					FCPARAM(isp, chan)->sendmarker = 1;
750				}
751				retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
752				if (retval) {
753					retval = EIO;
754				}
755			}
756		}
757		ISP_UNLOCK(isp);
758		break;
759	}
760	default:
761		break;
762	}
763	return (retval);
764}
765
766/*
767 * Local Inlines
768 */
769
770static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *);
771static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *);
772
773static ISP_INLINE int
774isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
775{
776	ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
777	if (ISP_PCMD(ccb) == NULL) {
778		return (-1);
779	}
780	isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
781	return (0);
782}
783
784static ISP_INLINE void
785isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
786{
787	if (ISP_PCMD(ccb)) {
788#ifdef	ISP_TARGET_MODE
789		PISP_PCMD(ccb)->datalen = 0;
790		PISP_PCMD(ccb)->totslen = 0;
791		PISP_PCMD(ccb)->cumslen = 0;
792		PISP_PCMD(ccb)->crn = 0;
793#endif
794		PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free;
795		isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
796		ISP_PCMD(ccb) = NULL;
797	}
798}
799
800/*
801 * Put the target mode functions here, because some are inlines
802 */
803#ifdef	ISP_TARGET_MODE
804static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
805static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t);
806static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t);
807static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *);
808static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int);
809static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t);
810static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *);
811static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **);
812static void destroy_lun_state(ispsoftc_t *, int, tstate_t *);
813static void isp_enable_lun(ispsoftc_t *, union ccb *);
814static void isp_disable_lun(ispsoftc_t *, union ccb *);
815static timeout_t isp_refire_putback_atio;
816static timeout_t isp_refire_notify_ack;
817static void isp_complete_ctio(union ccb *);
818static void isp_target_putback_atio(union ccb *);
819enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE };
820static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How);
821static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
822static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *);
823static void isp_handle_platform_ctio(ispsoftc_t *, void *);
824static void isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *);
825static void isp_handle_platform_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *);
826static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp);
827static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *);
828static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t);
829
830static ISP_INLINE tstate_t *
831get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
832{
833	tstate_t *tptr = NULL;
834	struct tslist *lhp;
835
836	if (bus < isp->isp_nchan) {
837		ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
838		SLIST_FOREACH(tptr, lhp, next) {
839			if (tptr->ts_lun == lun)
840				return (tptr);
841		}
842	}
843	return (NULL);
844}
845
846static int
847isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr)
848{
849	inot_private_data_t *ntp;
850	struct ntpdlist rq;
851
852	if (STAILQ_EMPTY(&tptr->restart_queue))
853		return (0);
854	STAILQ_INIT(&rq);
855	STAILQ_CONCAT(&rq, &tptr->restart_queue);
856	while ((ntp = STAILQ_FIRST(&rq)) != NULL) {
857		STAILQ_REMOVE_HEAD(&rq, next);
858		if (IS_24XX(isp)) {
859			isp_prt(isp, ISP_LOGTDEBUG0,
860			    "%s: restarting resrc deprived %x", __func__,
861			    ((at7_entry_t *)ntp->data)->at_rxid);
862			isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data);
863		} else {
864			isp_prt(isp, ISP_LOGTDEBUG0,
865			    "%s: restarting resrc deprived %x", __func__,
866			    ((at2_entry_t *)ntp->data)->at_rxid);
867			isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->data);
868		}
869		isp_put_ntpd(isp, bus, ntp);
870		if (!STAILQ_EMPTY(&tptr->restart_queue))
871			break;
872	}
873	if (!STAILQ_EMPTY(&rq)) {
874		STAILQ_CONCAT(&rq, &tptr->restart_queue);
875		STAILQ_CONCAT(&tptr->restart_queue, &rq);
876	}
877	return (!STAILQ_EMPTY(&tptr->restart_queue));
878}
879
880static void
881isp_tmcmd_restart(ispsoftc_t *isp)
882{
883	tstate_t *tptr;
884	union ccb *ccb;
885	struct tslist *lhp;
886	struct isp_ccbq *waitq;
887	int bus, i;
888
889	for (bus = 0; bus < isp->isp_nchan; bus++) {
890		for (i = 0; i < LUN_HASH_SIZE; i++) {
891			ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
892			SLIST_FOREACH(tptr, lhp, next)
893				isp_atio_restart(isp, bus, tptr);
894		}
895
896		/*
897		 * We only need to do this once per channel.
898		 */
899		ISP_GET_PC_ADDR(isp, bus, waitq, waitq);
900		ccb = (union ccb *)TAILQ_FIRST(waitq);
901		if (ccb != NULL) {
902			TAILQ_REMOVE(waitq, &ccb->ccb_h, periph_links.tqe);
903			isp_target_start_ctio(isp, ccb, FROM_TIMER);
904		}
905	}
906}
907
908static atio_private_data_t *
909isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
910{
911	struct atpdlist *atfree;
912	struct atpdlist *atused;
913	atio_private_data_t *atp;
914
915	ISP_GET_PC_ADDR(isp, chan, atfree, atfree);
916	atp = LIST_FIRST(atfree);
917	if (atp) {
918		LIST_REMOVE(atp, next);
919		atp->tag = tag;
920		ISP_GET_PC(isp, chan, atused, atused);
921		LIST_INSERT_HEAD(&atused[ATPDPHASH(tag)], atp, next);
922	}
923	return (atp);
924}
925
926static atio_private_data_t *
927isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
928{
929	struct atpdlist *atused;
930	atio_private_data_t *atp;
931
932	ISP_GET_PC(isp, chan, atused, atused);
933	LIST_FOREACH(atp, &atused[ATPDPHASH(tag)], next) {
934		if (atp->tag == tag)
935			return (atp);
936	}
937	return (NULL);
938}
939
940static void
941isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp)
942{
943	struct atpdlist *atfree;
944
945	if (atp->ests) {
946		isp_put_ecmd(isp, atp->ests);
947	}
948	LIST_REMOVE(atp, next);
949	memset(atp, 0, sizeof (*atp));
950	ISP_GET_PC_ADDR(isp, chan, atfree, atfree);
951	LIST_INSERT_HEAD(atfree, atp, next);
952}
953
954static void
955isp_dump_atpd(ispsoftc_t *isp, int chan)
956{
957	atio_private_data_t *atp, *atpool;
958	const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" };
959
960	ISP_GET_PC(isp, chan, atpool, atpool);
961	for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) {
962		if (atp->state == ATPD_STATE_FREE)
963			continue;
964		isp_prt(isp, ISP_LOGALL, "Chan %d ATP [0x%x] origdlen %u bytes_xfrd %u lun %jx nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s",
965		    chan, atp->tag, atp->orig_datalen, atp->bytes_xfered, (uintmax_t)atp->lun, atp->nphdl, atp->sid, atp->did, atp->oxid, states[atp->state & 0x7]);
966	}
967}
968
969static inot_private_data_t *
970isp_get_ntpd(ispsoftc_t *isp, int chan)
971{
972	struct ntpdlist *ntfree;
973	inot_private_data_t *ntp;
974
975	ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree);
976	ntp = STAILQ_FIRST(ntfree);
977	if (ntp)
978		STAILQ_REMOVE_HEAD(ntfree, next);
979	return (ntp);
980}
981
982static inot_private_data_t *
983isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id)
984{
985	inot_private_data_t *ntp, *ntp2;
986
987	ISP_GET_PC(isp, chan, ntpool, ntp);
988	ISP_GET_PC_ADDR(isp, chan, ntpool[ATPDPSIZE], ntp2);
989	for (; ntp < ntp2; ntp++) {
990		if (ntp->tag_id == tag_id && ntp->seq_id == seq_id)
991			return (ntp);
992	}
993	return (NULL);
994}
995
996static void
997isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp)
998{
999	struct ntpdlist *ntfree;
1000
1001	ntp->tag_id = ntp->seq_id = 0;
1002	ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree);
1003	STAILQ_INSERT_HEAD(ntfree, ntp, next);
1004}
1005
1006static cam_status
1007create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt)
1008{
1009	lun_id_t lun;
1010	struct tslist *lhp;
1011	tstate_t *tptr;
1012
1013	lun = xpt_path_lun_id(path);
1014	if (lun != CAM_LUN_WILDCARD) {
1015		if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) {
1016			return (CAM_LUN_INVALID);
1017		}
1018	}
1019	tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO);
1020	if (tptr == NULL) {
1021		return (CAM_RESRC_UNAVAIL);
1022	}
1023	tptr->ts_lun = lun;
1024	SLIST_INIT(&tptr->atios);
1025	SLIST_INIT(&tptr->inots);
1026	ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
1027	SLIST_INSERT_HEAD(lhp, tptr, next);
1028	*rslt = tptr;
1029	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n");
1030	return (CAM_REQ_CMP);
1031}
1032
1033static void
1034destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr)
1035{
1036	union ccb *ccb;
1037	struct tslist *lhp;
1038	inot_private_data_t *ntp;
1039
1040	while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) {
1041		SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1042		ccb->ccb_h.status = CAM_REQ_ABORTED;
1043		xpt_done(ccb);
1044	};
1045	while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) {
1046		SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
1047		ccb->ccb_h.status = CAM_REQ_ABORTED;
1048		xpt_done(ccb);
1049	}
1050	while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) {
1051		isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0);
1052		STAILQ_REMOVE_HEAD(&tptr->restart_queue, next);
1053		isp_put_ntpd(isp, bus, ntp);
1054	}
1055	ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp);
1056	SLIST_REMOVE(lhp, tptr, tstate, next);
1057	free(tptr, M_DEVBUF);
1058}
1059
1060static void
1061isp_enable_lun(ispsoftc_t *isp, union ccb *ccb)
1062{
1063	tstate_t *tptr;
1064	int bus;
1065	target_id_t target;
1066	lun_id_t lun;
1067
1068	if (!IS_FC(isp) || !ISP_CAP_TMODE(isp) || !ISP_CAP_SCCFW(isp)) {
1069		xpt_print(ccb->ccb_h.path, "Target mode is not supported\n");
1070		ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1071		xpt_done(ccb);
1072		return;
1073	}
1074
1075	/*
1076	 * We only support either target and lun both wildcard
1077	 * or target and lun both non-wildcard.
1078	 */
1079	bus = XS_CHANNEL(ccb);
1080	target = ccb->ccb_h.target_id;
1081	lun = ccb->ccb_h.target_lun;
1082	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1083	    "enabling lun %jx\n", (uintmax_t)lun);
1084	if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1085		ccb->ccb_h.status = CAM_LUN_INVALID;
1086		xpt_done(ccb);
1087		return;
1088	}
1089
1090	/* Create the state pointer. It should not already exist. */
1091	tptr = get_lun_statep(isp, bus, lun);
1092	if (tptr) {
1093		ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
1094		xpt_done(ccb);
1095		return;
1096	}
1097	ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
1098	if (ccb->ccb_h.status != CAM_REQ_CMP) {
1099		xpt_done(ccb);
1100		return;
1101	}
1102
1103	ccb->ccb_h.status = CAM_REQ_CMP;
1104	xpt_done(ccb);
1105}
1106
1107static void
1108isp_disable_lun(ispsoftc_t *isp, union ccb *ccb)
1109{
1110	tstate_t *tptr = NULL;
1111	int bus;
1112	target_id_t target;
1113	lun_id_t lun;
1114
1115	bus = XS_CHANNEL(ccb);
1116	target = ccb->ccb_h.target_id;
1117	lun = ccb->ccb_h.target_lun;
1118	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1119	    "disabling lun %jx\n", (uintmax_t)lun);
1120	if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1121		ccb->ccb_h.status = CAM_LUN_INVALID;
1122		xpt_done(ccb);
1123		return;
1124	}
1125
1126	/* Find the state pointer. */
1127	if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) {
1128		ccb->ccb_h.status = CAM_PATH_INVALID;
1129		xpt_done(ccb);
1130		return;
1131	}
1132
1133	destroy_lun_state(isp, bus, tptr);
1134	ccb->ccb_h.status = CAM_REQ_CMP;
1135	xpt_done(ccb);
1136}
1137
1138static void
1139isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how)
1140{
1141	int fctape, sendstatus, resid;
1142	fcparam *fcp;
1143	atio_private_data_t *atp;
1144	struct ccb_scsiio *cso;
1145	struct isp_ccbq *waitq;
1146	uint32_t dmaresult, handle, xfrlen, sense_length, tmp;
1147	uint8_t local[QENTRY_LEN];
1148
1149	isp_prt(isp, ISP_LOGTDEBUG0, "%s: ENTRY[0x%x] how %u xfrlen %u sendstatus %d sense_len %u", __func__, ccb->csio.tag_id, how, ccb->csio.dxfer_len,
1150	    (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0));
1151
1152	ISP_GET_PC_ADDR(isp, XS_CHANNEL(ccb), waitq, waitq);
1153	switch (how) {
1154	case FROM_CAM:
1155		/*
1156		 * Insert at the tail of the list, if any, waiting CTIO CCBs
1157		 */
1158		TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, periph_links.tqe);
1159		break;
1160	case FROM_TIMER:
1161	case FROM_SRR:
1162	case FROM_CTIO_DONE:
1163		TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1164		break;
1165	}
1166
1167	while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) {
1168		TAILQ_REMOVE(waitq, &ccb->ccb_h, periph_links.tqe);
1169
1170		cso = &ccb->csio;
1171		xfrlen = cso->dxfer_len;
1172		if (xfrlen == 0) {
1173			if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
1174				ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n");
1175				ccb->ccb_h.status = CAM_REQ_INVALID;
1176				xpt_done(ccb);
1177				continue;
1178			}
1179		}
1180
1181		atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id);
1182		if (atp == NULL) {
1183			isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__);
1184			isp_dump_atpd(isp, XS_CHANNEL(ccb));
1185			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1186			xpt_done(ccb);
1187			continue;
1188		}
1189
1190		/*
1191		 * Is this command a dead duck?
1192		 */
1193		if (atp->dead) {
1194			isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id);
1195			ccb->ccb_h.status = CAM_REQ_ABORTED;
1196			xpt_done(ccb);
1197			continue;
1198		}
1199
1200		/*
1201		 * Check to make sure we're still in target mode.
1202		 */
1203		fcp = FCPARAM(isp, XS_CHANNEL(ccb));
1204		if ((fcp->role & ISP_ROLE_TARGET) == 0) {
1205			isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id);
1206			ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1207			xpt_done(ccb);
1208			continue;
1209		}
1210
1211		/*
1212		 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which
1213		 * could be split into two CTIOs to split data and status).
1214		 */
1215		if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) {
1216			isp_prt(isp, ISP_LOGTINFO, "[0x%x] handling only %d CCBs at a time (flags for this ccb: 0x%x)", cso->tag_id, ATPD_CCB_OUTSTANDING, ccb->ccb_h.flags);
1217			TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1218			break;
1219		}
1220
1221		/*
1222		 * Does the initiator expect FC-Tape style responses?
1223		 */
1224		if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) {
1225			fctape = 1;
1226		} else {
1227			fctape = 0;
1228		}
1229
1230		/*
1231		 * If we already did the data xfer portion of a CTIO that sends data
1232		 * and status, don't do it again and do the status portion now.
1233		 */
1234		if (atp->sendst) {
1235			isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u",
1236			    cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit);
1237			xfrlen = 0;	/* we already did the data transfer */
1238			atp->sendst = 0;
1239		}
1240		if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1241			sendstatus = 1;
1242		} else {
1243			sendstatus = 0;
1244		}
1245
1246		if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
1247			KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?"));
1248			/*
1249			 * Sense length is not the entire sense data structure size. Periph
1250			 * drivers don't seem to be setting sense_len to reflect the actual
1251			 * size. We'll peek inside to get the right amount.
1252			 */
1253			sense_length = cso->sense_len;
1254
1255			/*
1256			 * This 'cannot' happen
1257			 */
1258			if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) {
1259				sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE;
1260			}
1261		} else {
1262			sense_length = 0;
1263		}
1264
1265		memset(local, 0, QENTRY_LEN);
1266
1267		/*
1268		 * Check for overflow
1269		 */
1270		tmp = atp->bytes_xfered + atp->bytes_in_transit;
1271		if (xfrlen > 0 && tmp > atp->orig_datalen) {
1272			isp_prt(isp, ISP_LOGERR,
1273			    "%s: [0x%x] data overflow by %u bytes", __func__,
1274			    cso->tag_id, tmp + xfrlen - atp->orig_datalen);
1275			ccb->ccb_h.status = CAM_DATA_RUN_ERR;
1276			xpt_done(ccb);
1277			continue;
1278		}
1279		if (xfrlen > atp->orig_datalen - tmp) {
1280			xfrlen = atp->orig_datalen - tmp;
1281			if (xfrlen == 0 && !sendstatus) {
1282				cso->resid = cso->dxfer_len;
1283				ccb->ccb_h.status = CAM_REQ_CMP;
1284				xpt_done(ccb);
1285				continue;
1286			}
1287		}
1288
1289		if (IS_24XX(isp)) {
1290			ct7_entry_t *cto = (ct7_entry_t *) local;
1291
1292			cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
1293			cto->ct_header.rqs_entry_count = 1;
1294			cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1295			ATPD_SET_SEQNO(cto, atp);
1296			cto->ct_nphdl = atp->nphdl;
1297			cto->ct_rxid = atp->tag;
1298			cto->ct_iid_lo = atp->sid;
1299			cto->ct_iid_hi = atp->sid >> 16;
1300			cto->ct_oxid = atp->oxid;
1301			cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb));
1302			cto->ct_timeout = (XS_TIME(ccb) + 999) / 1000;
1303			cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT;
1304
1305			/*
1306			 * Mode 1, status, no data. Only possible when we are sending status, have
1307			 * no data to transfer, and any sense data can fit into a ct7_entry_t.
1308			 *
1309			 * Mode 2, status, no data. We have to use this in the case that
1310			 * the sense data won't fit into a ct7_entry_t.
1311			 *
1312			 */
1313			if (sendstatus && xfrlen == 0) {
1314				cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA;
1315				resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1316				if (sense_length <= MAXRESPLEN_24XX) {
1317					cto->ct_flags |= CT7_FLAG_MODE1;
1318					cto->ct_scsi_status = cso->scsi_status;
1319					if (resid < 0) {
1320						cto->ct_resid = -resid;
1321						cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8);
1322					} else if (resid > 0) {
1323						cto->ct_resid = resid;
1324						cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
1325					}
1326					if (fctape) {
1327						cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1328					}
1329					if (sense_length) {
1330						cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
1331						cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length;
1332						memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1333					}
1334				} else {
1335					bus_addr_t addr;
1336					char buf[XCMD_SIZE];
1337					fcp_rsp_iu_t *rp;
1338
1339					if (atp->ests == NULL) {
1340						atp->ests = isp_get_ecmd(isp);
1341						if (atp->ests == NULL) {
1342							TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1343							break;
1344						}
1345					}
1346					memset(buf, 0, sizeof (buf));
1347					rp = (fcp_rsp_iu_t *)buf;
1348					if (fctape) {
1349						cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1350						rp->fcp_rsp_bits |= FCP_CONF_REQ;
1351					}
1352					cto->ct_flags |= CT7_FLAG_MODE2;
1353	        			rp->fcp_rsp_scsi_status = cso->scsi_status;
1354					if (resid < 0) {
1355						rp->fcp_rsp_resid = -resid;
1356						rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1357					} else if (resid > 0) {
1358						rp->fcp_rsp_resid = resid;
1359						rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1360					}
1361					if (sense_length) {
1362	        				rp->fcp_rsp_snslen = sense_length;
1363						cto->ct_senselen = sense_length;
1364						rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1365						isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1366						memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1367					} else {
1368						isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1369					}
1370					if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1371						isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1372					}
1373					addr = isp->isp_osinfo.ecmd_dma;
1374					addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1375					isp_prt(isp, ISP_LOGTDEBUG0, "%s: ests base %p vaddr %p ecmd_dma %jx addr %jx len %u", __func__, isp->isp_osinfo.ecmd_base, atp->ests,
1376					    (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1377					cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1378					cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr);
1379					cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr);
1380					cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1381				}
1382				if (sense_length) {
1383					isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d slen %u sense: %x %x/%x/%x", __func__,
1384					    cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid, sense_length,
1385					    cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1386				} else {
1387					isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__,
1388					    cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid);
1389				}
1390				atp->state = ATPD_STATE_LAST_CTIO;
1391			}
1392
1393			/*
1394			 * Mode 0 data transfers, *possibly* with status.
1395			 */
1396			if (xfrlen != 0) {
1397				cto->ct_flags |= CT7_FLAG_MODE0;
1398				if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1399					cto->ct_flags |= CT7_DATA_IN;
1400				} else {
1401					cto->ct_flags |= CT7_DATA_OUT;
1402				}
1403
1404				cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit;
1405				cto->rsp.m0.ct_xfrlen = xfrlen;
1406
1407#ifdef	DEBUG
1408				if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) {
1409					isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2));
1410					ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0;
1411					cto->rsp.m0.ct_xfrlen -= xfrlen >> 2;
1412				}
1413#endif
1414				if (sendstatus) {
1415					resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1416					if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) {
1417						cto->ct_flags |= CT7_SENDSTATUS;
1418						atp->state = ATPD_STATE_LAST_CTIO;
1419						if (fctape) {
1420							cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1421						}
1422					} else {
1423						atp->sendst = 1;	/* send status later */
1424						cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1425						atp->state = ATPD_STATE_CTIO;
1426					}
1427				} else {
1428					atp->state = ATPD_STATE_CTIO;
1429				}
1430				isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x xfrlen=%u off=%u", __func__,
1431				    cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered);
1432			}
1433		} else {
1434			ct2_entry_t *cto = (ct2_entry_t *) local;
1435
1436			if (isp->isp_osinfo.sixtyfourbit)
1437				cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3;
1438			else
1439				cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1440			cto->ct_header.rqs_entry_count = 1;
1441			cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1442			ATPD_SET_SEQNO(cto, atp);
1443			if (ISP_CAP_2KLOGIN(isp)) {
1444				((ct2e_entry_t *)cto)->ct_iid = atp->nphdl;
1445			} else {
1446				cto->ct_iid = atp->nphdl;
1447				if (ISP_CAP_SCCFW(isp) == 0) {
1448					cto->ct_lun = ccb->ccb_h.target_lun;
1449				}
1450			}
1451			cto->ct_timeout = (XS_TIME(ccb) + 999) / 1000;
1452			cto->ct_rxid = cso->tag_id;
1453
1454			/*
1455			 * Mode 1, status, no data. Only possible when we are sending status, have
1456			 * no data to transfer, and the sense length can fit in the ct7_entry.
1457			 *
1458			 * Mode 2, status, no data. We have to use this in the case the response
1459			 * length won't fit into a ct2_entry_t.
1460			 *
1461			 * We'll fill out this structure with information as if this were a
1462			 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as
1463			 * needed based upon this.
1464			 */
1465			if (sendstatus && xfrlen == 0) {
1466				cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA;
1467				resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1468				if (sense_length <= MAXRESPLEN) {
1469					if (resid < 0) {
1470						cto->ct_resid = -resid;
1471					} else if (resid > 0) {
1472						cto->ct_resid = resid;
1473					}
1474					cto->ct_flags |= CT2_FLAG_MODE1;
1475					cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1476					if (resid < 0) {
1477						cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER;
1478					} else if (resid > 0) {
1479						cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER;
1480					}
1481					if (fctape) {
1482						cto->ct_flags |= CT2_CONFIRM;
1483					}
1484					if (sense_length) {
1485						cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1486						cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length;
1487						memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1488					}
1489				} else {
1490					bus_addr_t addr;
1491					char buf[XCMD_SIZE];
1492					fcp_rsp_iu_t *rp;
1493
1494					if (atp->ests == NULL) {
1495						atp->ests = isp_get_ecmd(isp);
1496						if (atp->ests == NULL) {
1497							TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1498							break;
1499						}
1500					}
1501					memset(buf, 0, sizeof (buf));
1502					rp = (fcp_rsp_iu_t *)buf;
1503					if (fctape) {
1504						cto->ct_flags |= CT2_CONFIRM;
1505						rp->fcp_rsp_bits |= FCP_CONF_REQ;
1506					}
1507					cto->ct_flags |= CT2_FLAG_MODE2;
1508	        			rp->fcp_rsp_scsi_status = cso->scsi_status;
1509					if (resid < 0) {
1510						rp->fcp_rsp_resid = -resid;
1511						rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1512					} else if (resid > 0) {
1513						rp->fcp_rsp_resid = resid;
1514						rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1515					}
1516					if (sense_length) {
1517	        				rp->fcp_rsp_snslen = sense_length;
1518						rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1519						isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1520						memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1521					} else {
1522						isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1523					}
1524					if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1525						isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1526					}
1527					addr = isp->isp_osinfo.ecmd_dma;
1528					addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1529					isp_prt(isp, ISP_LOGTDEBUG0, "%s: ests base %p vaddr %p ecmd_dma %jx addr %jx len %u", __func__, isp->isp_osinfo.ecmd_base, atp->ests,
1530					    (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1531					cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1532					if (isp->isp_osinfo.sixtyfourbit) {
1533						cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr);
1534						cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr);
1535						cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1536					} else {
1537						cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr);
1538						cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1539					}
1540				}
1541				if (sense_length) {
1542					isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d sense: %x %x/%x/%x", __func__,
1543					    cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid,
1544					    cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1545				} else {
1546					isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, cto->ct_rxid,
1547					    ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid);
1548				}
1549				atp->state = ATPD_STATE_LAST_CTIO;
1550			}
1551
1552			if (xfrlen != 0) {
1553				cto->ct_flags |= CT2_FLAG_MODE0;
1554				if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1555					cto->ct_flags |= CT2_DATA_IN;
1556				} else {
1557					cto->ct_flags |= CT2_DATA_OUT;
1558				}
1559
1560				cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit;
1561				cto->rsp.m0.ct_xfrlen = xfrlen;
1562
1563				if (sendstatus) {
1564					resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1565					if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) {
1566						cto->ct_flags |= CT2_SENDSTATUS;
1567						atp->state = ATPD_STATE_LAST_CTIO;
1568						if (fctape) {
1569							cto->ct_flags |= CT2_CONFIRM;
1570						}
1571					} else {
1572						atp->sendst = 1;	/* send status later */
1573						cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1574						atp->state = ATPD_STATE_CTIO;
1575					}
1576				} else {
1577					atp->state = ATPD_STATE_CTIO;
1578				}
1579			}
1580			isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[%x] seq %u nc %d CDB0=%x scsi status %x flags %x resid %d xfrlen %u offset %u", __func__, cto->ct_rxid,
1581			    ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, cso->dxfer_len, atp->bytes_xfered);
1582		}
1583
1584		if (isp_get_pcmd(isp, ccb)) {
1585			ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n");
1586			TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1587			break;
1588		}
1589		handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET);
1590		if (handle == 0) {
1591			ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__);
1592			TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1593			isp_free_pcmd(isp, ccb);
1594			break;
1595		}
1596		atp->bytes_in_transit += xfrlen;
1597		PISP_PCMD(ccb)->datalen = xfrlen;
1598
1599
1600		/*
1601		 * Call the dma setup routines for this entry (and any subsequent
1602		 * CTIOs) if there's data to move, and then tell the f/w it's got
1603		 * new things to play with. As with isp_start's usage of DMA setup,
1604		 * any swizzling is done in the machine dependent layer. Because
1605		 * of this, we put the request onto the queue area first in native
1606		 * format.
1607		 */
1608
1609		if (IS_24XX(isp)) {
1610			ct7_entry_t *cto = (ct7_entry_t *) local;
1611			cto->ct_syshandle = handle;
1612		} else {
1613			ct2_entry_t *cto = (ct2_entry_t *) local;
1614			cto->ct_syshandle = handle;
1615		}
1616
1617		dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local);
1618		if (dmaresult != CMD_QUEUED) {
1619			isp_destroy_handle(isp, handle);
1620			isp_free_pcmd(isp, ccb);
1621			if (dmaresult == CMD_EAGAIN) {
1622				TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1623				break;
1624			}
1625			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1626			xpt_done(ccb);
1627			continue;
1628		}
1629		isp->isp_nactive++;
1630		ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED;
1631		if (xfrlen) {
1632			ccb->ccb_h.spriv_field0 = atp->bytes_xfered;
1633		} else {
1634			ccb->ccb_h.spriv_field0 = ~0;
1635		}
1636		atp->ctcnt++;
1637		atp->seqno++;
1638	}
1639}
1640
1641static void
1642isp_refire_putback_atio(void *arg)
1643{
1644	union ccb *ccb = arg;
1645
1646	ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb));
1647	isp_target_putback_atio(ccb);
1648}
1649
1650static void
1651isp_refire_notify_ack(void *arg)
1652{
1653	isp_tna_t *tp  = arg;
1654	ispsoftc_t *isp = tp->isp;
1655
1656	ISP_ASSERT_LOCKED(isp);
1657	if (isp_notify_ack(isp, tp->not)) {
1658		callout_schedule(&tp->timer, 5);
1659	} else {
1660		free(tp, M_DEVBUF);
1661	}
1662}
1663
1664
1665static void
1666isp_target_putback_atio(union ccb *ccb)
1667{
1668	ispsoftc_t *isp;
1669	struct ccb_scsiio *cso;
1670	void *qe;
1671	at2_entry_t local, *at = &local;
1672
1673	isp = XS_ISP(ccb);
1674
1675	qe = isp_getrqentry(isp);
1676	if (qe == NULL) {
1677		xpt_print(ccb->ccb_h.path,
1678		    "%s: Request Queue Overflow\n", __func__);
1679		callout_reset(&PISP_PCMD(ccb)->wdog, 10,
1680		    isp_refire_putback_atio, ccb);
1681		return;
1682	}
1683	memset(qe, 0, QENTRY_LEN);
1684	cso = &ccb->csio;
1685	ISP_MEMZERO(at, sizeof (at2_entry_t));
1686	at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
1687	at->at_header.rqs_entry_count = 1;
1688	if (ISP_CAP_SCCFW(isp)) {
1689		at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
1690	} else {
1691		at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
1692	}
1693	at->at_status = CT_OK;
1694	at->at_rxid = cso->tag_id;
1695	at->at_iid = cso->ccb_h.target_id;
1696	isp_put_atio2(isp, at, qe);
1697	ISP_TDQE(isp, "isp_target_putback_atio", isp->isp_reqidx, qe);
1698	ISP_SYNC_REQUEST(isp);
1699	isp_complete_ctio(ccb);
1700}
1701
1702static void
1703isp_complete_ctio(union ccb *ccb)
1704{
1705	if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
1706		ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1707		xpt_done(ccb);
1708	}
1709}
1710
1711static void
1712isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep)
1713{
1714	fcparam *fcp;
1715	lun_id_t lun;
1716	fcportdb_t *lp;
1717	tstate_t *tptr;
1718	struct ccb_accept_tio *atiop;
1719	uint16_t nphdl;
1720	atio_private_data_t *atp;
1721	inot_private_data_t *ntp;
1722
1723	/*
1724	 * The firmware status (except for the QLTM_SVALID bit)
1725	 * indicates why this ATIO was sent to us.
1726	 *
1727	 * If QLTM_SVALID is set, the firmware has recommended Sense Data.
1728	 */
1729	if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
1730		isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status);
1731		isp_endcmd(isp, aep, NIL_HANDLE, 0, SCSI_STATUS_BUSY, 0);
1732		return;
1733	}
1734
1735	fcp = FCPARAM(isp, 0);
1736	if (ISP_CAP_SCCFW(isp)) {
1737		lun = aep->at_scclun;
1738	} else {
1739		lun = aep->at_lun;
1740	}
1741	if (ISP_CAP_2KLOGIN(isp)) {
1742		nphdl = ((at2e_entry_t *)aep)->at_iid;
1743	} else {
1744		nphdl = aep->at_iid;
1745	}
1746	tptr = get_lun_statep(isp, 0, lun);
1747	if (tptr == NULL) {
1748		tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1749		if (tptr == NULL) {
1750			isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %jx or wildcard", __func__, aep->at_rxid, (uintmax_t)lun);
1751			if (lun == 0) {
1752				isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
1753			} else {
1754				isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1755			}
1756			return;
1757		}
1758	}
1759
1760	/*
1761	 * Start any commands pending resources first.
1762	 */
1763	if (isp_atio_restart(isp, 0, tptr))
1764		goto noresrc;
1765
1766	atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1767	if (atiop == NULL) {
1768		goto noresrc;
1769	}
1770
1771	atp = isp_get_atpd(isp, 0, aep->at_rxid);
1772	if (atp == NULL) {
1773		goto noresrc;
1774	}
1775
1776	atp->state = ATPD_STATE_ATIO;
1777	SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1778	tptr->atio_count--;
1779	isp_prt(isp, ISP_LOGTDEBUG2, "Take FREE ATIO count now %d", tptr->atio_count);
1780	atiop->ccb_h.target_id = fcp->isp_loopid;
1781	atiop->ccb_h.target_lun = lun;
1782
1783	/*
1784	 * We don't get 'suggested' sense data as we do with SCSI cards.
1785	 */
1786	atiop->sense_len = 0;
1787
1788	/*
1789	 * If we're not in the port database, add ourselves.
1790	 */
1791	if (IS_2100(isp))
1792		atiop->init_id = nphdl;
1793	else {
1794		if ((isp_find_pdb_by_handle(isp, 0, nphdl, &lp) == 0 ||
1795		     lp->state == FC_PORTDB_STATE_ZOMBIE)) {
1796			uint64_t wwpn =
1797				(((uint64_t) aep->at_wwpn[0]) << 48) |
1798				(((uint64_t) aep->at_wwpn[1]) << 32) |
1799				(((uint64_t) aep->at_wwpn[2]) << 16) |
1800				(((uint64_t) aep->at_wwpn[3]) <<  0);
1801			isp_add_wwn_entry(isp, 0, wwpn, INI_NONE,
1802			    nphdl, PORT_ANY, 0);
1803			if (fcp->isp_loopstate > LOOP_LTEST_DONE)
1804				fcp->isp_loopstate = LOOP_LTEST_DONE;
1805			isp_async(isp, ISPASYNC_CHANGE_NOTIFY, 0,
1806			    ISPASYNC_CHANGE_PDB, nphdl, 0x06, 0xff);
1807			isp_find_pdb_by_handle(isp, 0, nphdl, &lp);
1808		}
1809		atiop->init_id = FC_PORTDB_TGT(isp, 0, lp);
1810	}
1811	atiop->cdb_len = ATIO2_CDBLEN;
1812	ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
1813	atiop->ccb_h.status = CAM_CDB_RECVD;
1814	atiop->tag_id = atp->tag;
1815	switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
1816	case ATIO2_TC_ATTR_SIMPLEQ:
1817		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1818		atiop->tag_action = MSG_SIMPLE_Q_TAG;
1819		break;
1820	case ATIO2_TC_ATTR_HEADOFQ:
1821		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1822		atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1823		break;
1824	case ATIO2_TC_ATTR_ORDERED:
1825		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1826		atiop->tag_action = MSG_ORDERED_Q_TAG;
1827		break;
1828	case ATIO2_TC_ATTR_ACAQ:		/* ?? */
1829	case ATIO2_TC_ATTR_UNTAGGED:
1830	default:
1831		atiop->tag_action = 0;
1832		break;
1833	}
1834
1835	atp->orig_datalen = aep->at_datalen;
1836	atp->bytes_xfered = 0;
1837	atp->lun = lun;
1838	atp->nphdl = nphdl;
1839	atp->sid = PORT_ANY;
1840	atp->oxid = aep->at_oxid;
1841	atp->cdb0 = aep->at_cdb[0];
1842	atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK;
1843	atp->state = ATPD_STATE_CAM;
1844	xpt_done((union ccb *)atiop);
1845	isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %jx datalen %u", aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen);
1846	return;
1847noresrc:
1848	ntp = isp_get_ntpd(isp, 0);
1849	if (ntp == NULL) {
1850		isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
1851		return;
1852	}
1853	memcpy(ntp->data, aep, QENTRY_LEN);
1854	STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next);
1855}
1856
1857static void
1858isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep)
1859{
1860	int cdbxlen;
1861	lun_id_t lun;
1862	uint16_t chan, nphdl = NIL_HANDLE;
1863	uint32_t did, sid;
1864	fcportdb_t *lp;
1865	tstate_t *tptr;
1866	struct ccb_accept_tio *atiop;
1867	atio_private_data_t *atp = NULL;
1868	atio_private_data_t *oatp;
1869	inot_private_data_t *ntp;
1870
1871	did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
1872	sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
1873	lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun));
1874
1875	/*
1876	 * Find the N-port handle, and Virtual Port Index for this command.
1877	 *
1878	 * If we can't, we're somewhat in trouble because we can't actually respond w/o that information.
1879	 * We also, as a matter of course, need to know the WWN of the initiator too.
1880	 */
1881	if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) {
1882		/*
1883		 * Find the right channel based upon D_ID
1884		 */
1885		isp_find_chan_by_did(isp, did, &chan);
1886
1887		if (chan == ISP_NOCHAN) {
1888			NANOTIME_T now;
1889
1890			/*
1891			 * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup
1892			 * It's a bit tricky here as we need to stash this command *somewhere*.
1893			 */
1894			GET_NANOTIME(&now);
1895			if (NANOTIME_SUB(&now, &isp->isp_init_time) > 2000000000ULL) {
1896				isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did);
1897				isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
1898				return;
1899			}
1900			tptr = get_lun_statep(isp, 0, 0);
1901			if (tptr == NULL) {
1902				tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1903				if (tptr == NULL) {
1904					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);
1905					isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
1906					return;
1907				}
1908			}
1909			isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did);
1910			goto noresrc;
1911		}
1912		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);
1913	} else {
1914		chan = 0;
1915	}
1916
1917	/*
1918	 * Find the PDB entry for this initiator
1919	 */
1920	if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) {
1921		/*
1922		 * If we're not in the port database terminate the exchange.
1923		 */
1924		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",
1925		    __func__, aep->at_rxid, did, chan, sid);
1926		isp_dump_portdb(isp, chan);
1927		isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0);
1928		return;
1929	}
1930	nphdl = lp->handle;
1931
1932	/*
1933	 * Get the tstate pointer
1934	 */
1935	tptr = get_lun_statep(isp, chan, lun);
1936	if (tptr == NULL) {
1937		tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD);
1938		if (tptr == NULL) {
1939			isp_prt(isp, ISP_LOGWARN,
1940			    "%s: [0x%x] no state pointer for lun %jx or wildcard",
1941			    __func__, aep->at_rxid, (uintmax_t)lun);
1942			if (lun == 0) {
1943				isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
1944			} else {
1945				isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1946			}
1947			return;
1948		}
1949	}
1950
1951	/*
1952	 * Start any commands pending resources first.
1953	 */
1954	if (isp_atio_restart(isp, chan, tptr))
1955		goto noresrc;
1956
1957	/*
1958	 * If the f/w is out of resources, just send a BUSY status back.
1959	 */
1960	if (aep->at_rxid == AT7_NORESRC_RXID) {
1961		isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
1962		return;
1963	}
1964
1965	/*
1966	 * If we're out of resources, just send a BUSY status back.
1967	 */
1968	atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1969	if (atiop == NULL) {
1970		isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid);
1971		goto noresrc;
1972	}
1973
1974	oatp = isp_find_atpd(isp, chan, aep->at_rxid);
1975	if (oatp) {
1976		isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] tag wraparound in isp_handle_platforms_atio7 (N-Port Handle 0x%04x S_ID 0x%04x OX_ID 0x%04x) oatp state %d",
1977		    aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state);
1978		/*
1979		 * It's not a "no resource" condition- but we can treat it like one
1980		 */
1981		goto noresrc;
1982	}
1983	atp = isp_get_atpd(isp, chan, aep->at_rxid);
1984	if (atp == NULL) {
1985		isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid);
1986		goto noresrc;
1987	}
1988	atp->word3 = lp->prli_word3;
1989	atp->state = ATPD_STATE_ATIO;
1990	SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1991	tptr->atio_count--;
1992	ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
1993	atiop->init_id = FC_PORTDB_TGT(isp, chan, lp);
1994	atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid;
1995	atiop->ccb_h.target_lun = lun;
1996	atiop->sense_len = 0;
1997	cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT;
1998	if (cdbxlen) {
1999		isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored");
2000	}
2001	cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb);
2002	ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen);
2003	atiop->cdb_len = cdbxlen;
2004	atiop->ccb_h.status = CAM_CDB_RECVD;
2005	atiop->tag_id = atp->tag;
2006	switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) {
2007	case FCP_CMND_TASK_ATTR_SIMPLE:
2008		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2009		atiop->tag_action = MSG_SIMPLE_Q_TAG;
2010		break;
2011	case FCP_CMND_TASK_ATTR_HEAD:
2012		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2013		atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2014		break;
2015	case FCP_CMND_TASK_ATTR_ORDERED:
2016		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2017		atiop->tag_action = MSG_ORDERED_Q_TAG;
2018		break;
2019	default:
2020		/* FALLTHROUGH */
2021	case FCP_CMND_TASK_ATTR_ACA:
2022	case FCP_CMND_TASK_ATTR_UNTAGGED:
2023		atiop->tag_action = 0;
2024		break;
2025	}
2026	atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
2027	atp->bytes_xfered = 0;
2028	atp->lun = lun;
2029	atp->nphdl = nphdl;
2030	atp->sid = sid;
2031	atp->did = did;
2032	atp->oxid = aep->at_hdr.ox_id;
2033	atp->rxid = aep->at_hdr.rx_id;
2034	atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
2035	atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK;
2036	atp->state = ATPD_STATE_CAM;
2037	isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u",
2038	    aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen);
2039	xpt_done((union ccb *)atiop);
2040	return;
2041noresrc:
2042	if (atp)
2043		isp_put_atpd(isp, chan, atp);
2044	ntp = isp_get_ntpd(isp, chan);
2045	if (ntp == NULL) {
2046		isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
2047		return;
2048	}
2049	memcpy(ntp->data, aep, QENTRY_LEN);
2050	STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next);
2051}
2052
2053
2054/*
2055 * Handle starting an SRR (sequence retransmit request)
2056 * We get here when we've gotten the immediate notify
2057 * and the return of all outstanding CTIOs for this
2058 * transaction.
2059 */
2060static void
2061isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp)
2062{
2063	in_fcentry_24xx_t *inot;
2064	uint32_t srr_off, ccb_off, ccb_len, ccb_end;
2065	union ccb *ccb;
2066
2067	inot = (in_fcentry_24xx_t *)atp->srr;
2068	srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16);
2069	ccb = atp->srr_ccb;
2070	atp->srr_ccb = NULL;
2071	atp->nsrr++;
2072	if (ccb == NULL) {
2073		isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag);
2074		goto fail;
2075	}
2076
2077	ccb_off = ccb->ccb_h.spriv_field0;
2078	ccb_len = ccb->csio.dxfer_len;
2079        ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len;
2080
2081	switch (inot->in_srr_iu) {
2082	case R_CTL_INFO_SOLICITED_DATA:
2083		/*
2084		 * We have to restart a FCP_DATA data out transaction
2085		 */
2086		atp->sendst = 0;
2087		atp->bytes_xfered = srr_off;
2088		if (ccb_len == 0) {
2089			isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off);
2090			goto mdp;
2091		}
2092 		if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) {
2093			isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x not covered by current CCB data range [0x%x..0x%x]", atp->tag, srr_off, ccb_off, ccb_end);
2094			goto mdp;
2095		}
2096		isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x covered by current CCB data range [0x%x..0x%x]", atp->tag, srr_off, ccb_off, ccb_end);
2097		break;
2098	case R_CTL_INFO_COMMAND_STATUS:
2099		isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag);
2100		atp->sendst = 1;
2101		/*
2102		 * We have to restart a FCP_RSP IU transaction
2103		 */
2104		break;
2105	case R_CTL_INFO_DATA_DESCRIPTOR:
2106		/*
2107		 * We have to restart an FCP DATA in transaction
2108		 */
2109		isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping");
2110		goto fail;
2111
2112	default:
2113		isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu);
2114		goto fail;
2115	}
2116
2117	/*
2118	 * We can't do anything until this is acked, so we might as well start it now.
2119	 * We aren't going to do the usual asynchronous ack issue because we need
2120	 * to make sure this gets on the wire first.
2121	 */
2122	if (isp_notify_ack(isp, inot)) {
2123		isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2124		goto fail;
2125	}
2126	isp_target_start_ctio(isp, ccb, FROM_SRR);
2127	return;
2128fail:
2129	inot->in_reserved = 1;
2130	isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2131	ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2132	ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2133	isp_complete_ctio(ccb);
2134	return;
2135mdp:
2136	if (isp_notify_ack(isp, inot)) {
2137		isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2138		goto fail;
2139	}
2140	ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2141	ccb->ccb_h.status = CAM_MESSAGE_RECV;
2142	/*
2143	 * This is not a strict interpretation of MDP, but it's close
2144	 */
2145	ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16];
2146	ccb->csio.msg_len = 7;
2147	ccb->csio.msg_ptr[0] = MSG_EXTENDED;
2148	ccb->csio.msg_ptr[1] = 5;
2149	ccb->csio.msg_ptr[2] = 0;	/* modify data pointer */
2150	ccb->csio.msg_ptr[3] = srr_off >> 24;
2151	ccb->csio.msg_ptr[4] = srr_off >> 16;
2152	ccb->csio.msg_ptr[5] = srr_off >> 8;
2153	ccb->csio.msg_ptr[6] = srr_off;
2154	isp_complete_ctio(ccb);
2155}
2156
2157
2158static void
2159isp_handle_srr_notify(ispsoftc_t *isp, void *inot_raw)
2160{
2161	in_fcentry_24xx_t *inot = inot_raw;
2162	atio_private_data_t *atp;
2163	uint32_t tag = inot->in_rxid;
2164	uint32_t bus = inot->in_vpidx;
2165
2166	if (!IS_24XX(isp)) {
2167		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot_raw);
2168		return;
2169	}
2170
2171	atp = isp_find_atpd(isp, bus, tag);
2172	if (atp == NULL) {
2173		isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", __func__, tag);
2174		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2175		return;
2176	}
2177	atp->srr_notify_rcvd = 1;
2178	memcpy(atp->srr, inot, sizeof (atp->srr));
2179	isp_prt(isp, ISP_LOGTINFO /* ISP_LOGTDEBUG0 */, "SRR[0x%x] inot->in_rxid flags 0x%x srr_iu=%x reloff 0x%x", inot->in_rxid, inot->in_flags, inot->in_srr_iu,
2180	    inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16));
2181	if (atp->srr_ccb)
2182		isp_handle_srr_start(isp, atp);
2183}
2184
2185static void
2186isp_handle_platform_ctio(ispsoftc_t *isp, void *arg)
2187{
2188	union ccb *ccb;
2189	int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0;
2190	atio_private_data_t *atp = NULL;
2191	int bus;
2192	uint32_t handle, data_requested, resid;
2193
2194	handle = ((ct2_entry_t *)arg)->ct_syshandle;
2195	ccb = isp_find_xs(isp, handle);
2196	if (ccb == NULL) {
2197		isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg);
2198		return;
2199	}
2200	isp_destroy_handle(isp, handle);
2201	resid = data_requested = PISP_PCMD(ccb)->datalen;
2202	isp_free_pcmd(isp, ccb);
2203	if (isp->isp_nactive) {
2204		isp->isp_nactive--;
2205	}
2206
2207	bus = XS_CHANNEL(ccb);
2208	if (IS_24XX(isp)) {
2209		atp = isp_find_atpd(isp, bus, ((ct7_entry_t *)arg)->ct_rxid);
2210	} else {
2211		atp = isp_find_atpd(isp, bus, ((ct2_entry_t *)arg)->ct_rxid);
2212	}
2213	if (atp == NULL) {
2214		/*
2215		 * XXX: isp_clear_commands() generates fake CTIO with zero
2216		 * ct_rxid value, filling only ct_syshandle.  Workaround
2217		 * that using tag_id from the CCB, pointed by ct_syshandle.
2218		 */
2219		atp = isp_find_atpd(isp, bus, ccb->csio.tag_id);
2220	}
2221	if (atp == NULL) {
2222		isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id);
2223		return;
2224	}
2225	KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero"));
2226	atp->bytes_in_transit -= data_requested;
2227	atp->ctcnt -= 1;
2228	ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2229
2230	if (IS_24XX(isp)) {
2231		ct7_entry_t *ct = arg;
2232
2233		if (ct->ct_nphdl == CT7_SRR) {
2234			atp->srr_ccb = ccb;
2235			if (atp->srr_notify_rcvd)
2236				isp_handle_srr_start(isp, atp);
2237			return;
2238		}
2239		if (ct->ct_nphdl == CT_HBA_RESET) {
2240			sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) &&
2241			    (atp->sendst == 0);
2242			failure = CAM_UNREC_HBA_ERROR;
2243		} else {
2244			sentstatus = ct->ct_flags & CT7_SENDSTATUS;
2245			ok = (ct->ct_nphdl == CT7_OK);
2246			notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2247			if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA)
2248				resid = ct->ct_resid;
2249		}
2250		isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO7[%x] seq %u nc %d sts 0x%x flg 0x%x sns %d resid %d %s", __func__, ct->ct_rxid, ATPD_GET_SEQNO(ct),
2251		   notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2252	} else {
2253		ct2_entry_t *ct = arg;
2254		if (ct->ct_status == CT_SRR) {
2255			atp->srr_ccb = ccb;
2256			if (atp->srr_notify_rcvd)
2257				isp_handle_srr_start(isp, atp);
2258			isp_target_putback_atio(ccb);
2259			return;
2260		}
2261		if (ct->ct_status == CT_HBA_RESET) {
2262			sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) &&
2263			    (atp->sendst == 0);
2264			failure = CAM_UNREC_HBA_ERROR;
2265		} else {
2266			sentstatus = ct->ct_flags & CT2_SENDSTATUS;
2267			ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2268			notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2269			if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA)
2270				resid = ct->ct_resid;
2271		}
2272		isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO2[%x] seq %u nc %d sts 0x%x flg 0x%x sns %d resid %d %s", __func__, ct->ct_rxid, ATPD_GET_SEQNO(ct),
2273		    notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2274	}
2275	if (ok) {
2276		if (data_requested > 0) {
2277			atp->bytes_xfered += data_requested - resid;
2278			ccb->csio.resid = ccb->csio.dxfer_len -
2279			    (data_requested - resid);
2280		}
2281		if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE))
2282			ccb->ccb_h.status |= CAM_SENT_SENSE;
2283		ccb->ccb_h.status |= CAM_REQ_CMP;
2284	} else {
2285		notify_cam = 1;
2286		if (failure == CAM_UNREC_HBA_ERROR)
2287			ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2288		else
2289			ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2290	}
2291	atp->state = ATPD_STATE_PDON;
2292
2293	/*
2294	 * We never *not* notify CAM when there has been any error (ok == 0),
2295	 * so we never need to do an ATIO putback if we're not notifying CAM.
2296	 */
2297	isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)",
2298	    (sentstatus)? "  FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0);
2299	if (notify_cam == 0) {
2300		if (atp->sendst) {
2301			isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE);
2302		}
2303		return;
2304	}
2305
2306	/*
2307	 * We are done with this ATIO if we successfully sent status.
2308	 * In all other cases expect either another CTIO or XPT_ABORT.
2309	 */
2310	if (ok && sentstatus)
2311		isp_put_atpd(isp, bus, atp);
2312
2313	/*
2314	 * We're telling CAM we're done with this CTIO transaction.
2315	 *
2316	 * 24XX cards never need an ATIO put back.
2317	 *
2318	 * Other cards need one put back only on error.
2319	 * In the latter case, a timeout will re-fire
2320	 * and try again in case we didn't have
2321	 * queue resources to do so at first. In any case,
2322	 * once the putback is done we do the completion
2323	 * call.
2324	 */
2325	if (ok || IS_24XX(isp)) {
2326		isp_complete_ctio(ccb);
2327	} else {
2328		isp_target_putback_atio(ccb);
2329	}
2330}
2331
2332static void
2333isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp)
2334{
2335	int needack = 1;
2336	switch (inp->in_status) {
2337	case IN_PORT_LOGOUT:
2338		/*
2339		 * XXX: Need to delete this initiator's WWN from the database
2340		 * XXX: Need to send this LOGOUT upstream
2341		 */
2342		isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid);
2343		break;
2344	case IN_PORT_CHANGED:
2345		isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid);
2346		break;
2347	case IN_GLOBAL_LOGO:
2348		isp_del_all_wwn_entries(isp, 0);
2349		isp_prt(isp, ISP_LOGINFO, "all ports logged out");
2350		break;
2351	case IN_ABORT_TASK:
2352	{
2353		uint16_t nphdl, lun;
2354		uint32_t sid;
2355		uint64_t wwn;
2356		fcportdb_t *lp;
2357		isp_notify_t tmp, *nt = &tmp;
2358
2359		if (ISP_CAP_SCCFW(isp)) {
2360			lun = inp->in_scclun;
2361		} else {
2362			lun = inp->in_lun;
2363		}
2364		if (ISP_CAP_2KLOGIN(isp)) {
2365			nphdl = ((in_fcentry_e_t *)inp)->in_iid;
2366		} else {
2367			nphdl = inp->in_iid;
2368		}
2369		if (isp_find_pdb_by_handle(isp, 0, nphdl, &lp)) {
2370			wwn = lp->port_wwn;
2371			sid = lp->portid;
2372		} else {
2373			wwn = INI_ANY;
2374			sid = PORT_ANY;
2375		}
2376		isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx",
2377		    inp->in_seqid, (unsigned long long) wwn);
2378
2379		ISP_MEMZERO(nt, sizeof (isp_notify_t));
2380		nt->nt_hba = isp;
2381		nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn;
2382		nt->nt_wwn = wwn;
2383		nt->nt_nphdl = nphdl;
2384		nt->nt_sid = sid;
2385		nt->nt_did = PORT_ANY;
2386		nt->nt_lun = lun;
2387		nt->nt_tagval = inp->in_seqid;
2388		nt->nt_tagval |= (((uint64_t)(isp->isp_serno++)) << 32);
2389		nt->nt_need_ack = 1;
2390		nt->nt_channel = 0;
2391		nt->nt_ncode = NT_ABORT_TASK;
2392		nt->nt_lreserved = inp;
2393		isp_handle_platform_target_tmf(isp, nt);
2394		needack = 0;
2395		break;
2396	}
2397	default:
2398		break;
2399	}
2400	if (needack) {
2401		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inp);
2402	}
2403}
2404
2405static void
2406isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot)
2407{
2408	uint16_t nphdl;
2409	uint16_t prli_options = 0;
2410	uint32_t portid;
2411	fcportdb_t *lp;
2412	char *msg = NULL;
2413	uint8_t *ptr = (uint8_t *)inot;
2414	uint64_t wwpn = INI_NONE, wwnn = INI_NONE;
2415
2416	nphdl = inot->in_nphdl;
2417	if (nphdl != NIL_HANDLE) {
2418		portid = inot->in_portid_hi << 16 | inot->in_portid_lo;
2419	} else {
2420		portid = PORT_ANY;
2421	}
2422
2423	switch (inot->in_status) {
2424	case IN24XX_ELS_RCVD:
2425	{
2426		char buf[16];
2427		int chan = ISP_GET_VPIDX(isp, inot->in_vpidx);
2428
2429		/*
2430		 * Note that we're just getting notification that an ELS was received
2431		 * (possibly with some associated information sent upstream). This is
2432		 * *not* the same as being given the ELS frame to accept or reject.
2433		 */
2434		switch (inot->in_status_subcode) {
2435		case LOGO:
2436			msg = "LOGO";
2437			wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]);
2438			isp_del_wwn_entry(isp, chan, wwpn, nphdl, portid);
2439			break;
2440		case PRLO:
2441			msg = "PRLO";
2442			break;
2443		case PLOGI:
2444			msg = "PLOGI";
2445			wwnn = be64dec(&ptr[IN24XX_PLOGI_WWNN_OFF]);
2446			wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]);
2447			isp_add_wwn_entry(isp, chan, wwpn, wwnn,
2448			    nphdl, portid, prli_options);
2449			break;
2450		case PRLI:
2451			msg = "PRLI";
2452			prli_options = inot->in_prli_options;
2453			if (inot->in_flags & IN24XX_FLAG_PN_NN_VALID)
2454				wwnn = be64dec(&ptr[IN24XX_PRLI_WWNN_OFF]);
2455			wwpn = be64dec(&ptr[IN24XX_PRLI_WWPN_OFF]);
2456			isp_add_wwn_entry(isp, chan, wwpn, wwnn,
2457			    nphdl, portid, prli_options);
2458			break;
2459		case PDISC:
2460			msg = "PDISC";
2461			break;
2462		case ADISC:
2463			msg = "ADISC";
2464			break;
2465		default:
2466			ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode);
2467			msg = buf;
2468			break;
2469		}
2470		if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) {
2471			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);
2472			break;
2473		}
2474		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,
2475		    inot->in_rxid, inot->in_oxid);
2476		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2477		break;
2478	}
2479
2480	case IN24XX_PORT_LOGOUT:
2481		msg = "PORT LOGOUT";
2482		if (isp_find_pdb_by_handle(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) {
2483			isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid);
2484		}
2485		/* FALLTHROUGH */
2486	case IN24XX_PORT_CHANGED:
2487		if (msg == NULL)
2488			msg = "PORT CHANGED";
2489		/* FALLTHROUGH */
2490	case IN24XX_LIP_RESET:
2491		if (msg == NULL)
2492			msg = "LIP RESET";
2493		isp_prt(isp, ISP_LOGINFO, "Chan %d %s (sub-status 0x%x) for N-port handle 0x%x", ISP_GET_VPIDX(isp, inot->in_vpidx), msg, inot->in_status_subcode, nphdl);
2494
2495		/*
2496		 * All subcodes here are irrelevant. What is relevant
2497		 * is that we need to terminate all active commands from
2498		 * this initiator (known by N-port handle).
2499		 */
2500		/* XXX IMPLEMENT XXX */
2501		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2502		break;
2503
2504	case IN24XX_SRR_RCVD:
2505#ifdef	ISP_TARGET_MODE
2506		isp_handle_srr_notify(isp, inot);
2507		break;
2508#else
2509		if (msg == NULL)
2510			msg = "SRR RCVD";
2511		/* FALLTHROUGH */
2512#endif
2513	case IN24XX_LINK_RESET:
2514		if (msg == NULL)
2515			msg = "LINK RESET";
2516	case IN24XX_LINK_FAILED:
2517		if (msg == NULL)
2518			msg = "LINK FAILED";
2519	default:
2520		isp_prt(isp, ISP_LOGWARN, "Chan %d %s", ISP_GET_VPIDX(isp, inot->in_vpidx), msg);
2521		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2522		break;
2523	}
2524}
2525
2526static int
2527isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp)
2528{
2529
2530	if (isp->isp_state != ISP_RUNSTATE) {
2531		isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL);
2532		return (0);
2533	}
2534
2535	/*
2536	 * This case is for a Task Management Function, which shows up as an ATIO7 entry.
2537	 */
2538	if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) {
2539		ct7_entry_t local, *cto = &local;
2540		at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved;
2541		fcportdb_t *lp;
2542		uint32_t sid;
2543		uint16_t nphdl;
2544
2545		sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2546		if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) {
2547			nphdl = lp->handle;
2548		} else {
2549			nphdl = NIL_HANDLE;
2550		}
2551		ISP_MEMZERO(&local, sizeof (local));
2552		cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2553		cto->ct_header.rqs_entry_count = 1;
2554		cto->ct_nphdl = nphdl;
2555		cto->ct_rxid = aep->at_rxid;
2556		cto->ct_vpidx = mp->nt_channel;
2557		cto->ct_iid_lo = sid;
2558		cto->ct_iid_hi = sid >> 16;
2559		cto->ct_oxid = aep->at_hdr.ox_id;
2560		cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1;
2561		cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT;
2562		if (rsp != 0) {
2563			cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8);
2564			cto->rsp.m1.ct_resplen = 4;
2565			ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp));
2566			cto->rsp.m1.ct_resp[0] = rsp & 0xff;
2567			cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff;
2568			cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff;
2569			cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff;
2570		}
2571		return (isp_target_put_entry(isp, &local));
2572	}
2573
2574	/*
2575	 * This case is for a responding to an ABTS frame
2576	 */
2577	if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2578
2579		/*
2580		 * Overload nt_need_ack here to mark whether we've terminated the associated command.
2581		 */
2582		if (mp->nt_need_ack) {
2583			uint8_t storage[QENTRY_LEN];
2584			ct7_entry_t *cto = (ct7_entry_t *) storage;
2585			abts_t *abts = (abts_t *)mp->nt_lreserved;
2586
2587			ISP_MEMZERO(cto, sizeof (ct7_entry_t));
2588			isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task);
2589			cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2590			cto->ct_header.rqs_entry_count = 1;
2591			cto->ct_nphdl = mp->nt_nphdl;
2592			cto->ct_rxid = abts->abts_rxid_task;
2593			cto->ct_iid_lo = mp->nt_sid;
2594			cto->ct_iid_hi = mp->nt_sid >> 16;
2595			cto->ct_oxid = abts->abts_ox_id;
2596			cto->ct_vpidx = mp->nt_channel;
2597			cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
2598			if (isp_target_put_entry(isp, cto)) {
2599				return (ENOMEM);
2600			}
2601			mp->nt_need_ack = 0;
2602		}
2603		if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) {
2604			return (ENOMEM);
2605		} else {
2606			return (0);
2607		}
2608	}
2609
2610	/*
2611	 * Handle logout cases here
2612	 */
2613	if (mp->nt_ncode == NT_GLOBAL_LOGOUT) {
2614		isp_del_all_wwn_entries(isp, mp->nt_channel);
2615	}
2616
2617	if (mp->nt_ncode == NT_LOGOUT) {
2618		if (!IS_2100(isp) && IS_FC(isp)) {
2619			isp_del_wwn_entries(isp, mp);
2620		}
2621	}
2622
2623	/*
2624	 * General purpose acknowledgement
2625	 */
2626	if (mp->nt_need_ack) {
2627		isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL);
2628		/*
2629		 * Don't need to use the guaranteed send because the caller can retry
2630		 */
2631		return (isp_notify_ack(isp, mp->nt_lreserved));
2632	}
2633	return (0);
2634}
2635
2636/*
2637 * Handle task management functions.
2638 *
2639 * We show up here with a notify structure filled out.
2640 *
2641 * The nt_lreserved tag points to the original queue entry
2642 */
2643static void
2644isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify)
2645{
2646	tstate_t *tptr;
2647	fcportdb_t *lp;
2648	struct ccb_immediate_notify *inot;
2649	inot_private_data_t *ntp = NULL;
2650	lun_id_t lun;
2651
2652	isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid  0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode,
2653	    notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun);
2654	/*
2655	 * NB: This assignment is necessary because of tricky type conversion.
2656	 * XXX: This is tricky and I need to check this. If the lun isn't known
2657	 * XXX: for the task management function, it does not of necessity follow
2658	 * XXX: that it should go up stream to the wildcard listener.
2659	 */
2660	if (notify->nt_lun == LUN_ANY) {
2661		lun = CAM_LUN_WILDCARD;
2662	} else {
2663		lun = notify->nt_lun;
2664	}
2665	tptr = get_lun_statep(isp, notify->nt_channel, lun);
2666	if (tptr == NULL) {
2667		tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD);
2668		if (tptr == NULL) {
2669			isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun);
2670			goto bad;
2671		}
2672	}
2673	inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
2674	if (inot == NULL) {
2675		isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun);
2676		goto bad;
2677	}
2678
2679	if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 &&
2680	    isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) {
2681		inot->initiator_id = CAM_TARGET_WILDCARD;
2682	} else {
2683		inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp);
2684	}
2685	inot->seq_id = notify->nt_tagval;
2686	inot->tag_id = notify->nt_tagval >> 32;
2687
2688	switch (notify->nt_ncode) {
2689	case NT_ABORT_TASK:
2690		isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id);
2691		inot->arg = MSG_ABORT_TASK;
2692		break;
2693	case NT_ABORT_TASK_SET:
2694		isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY);
2695		inot->arg = MSG_ABORT_TASK_SET;
2696		break;
2697	case NT_CLEAR_ACA:
2698		inot->arg = MSG_CLEAR_ACA;
2699		break;
2700	case NT_CLEAR_TASK_SET:
2701		inot->arg = MSG_CLEAR_TASK_SET;
2702		break;
2703	case NT_LUN_RESET:
2704		inot->arg = MSG_LOGICAL_UNIT_RESET;
2705		break;
2706	case NT_TARGET_RESET:
2707		inot->arg = MSG_TARGET_RESET;
2708		break;
2709	case NT_QUERY_TASK_SET:
2710		inot->arg = MSG_QUERY_TASK_SET;
2711		break;
2712	case NT_QUERY_ASYNC_EVENT:
2713		inot->arg = MSG_QUERY_ASYNC_EVENT;
2714		break;
2715	default:
2716		isp_prt(isp, ISP_LOGWARN, "%s: unknown TMF code 0x%x for chan %d lun %#jx", __func__, notify->nt_ncode, notify->nt_channel, (uintmax_t)lun);
2717		goto bad;
2718	}
2719
2720	ntp = isp_get_ntpd(isp, notify->nt_channel);
2721	if (ntp == NULL) {
2722		isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__);
2723		goto bad;
2724	}
2725	ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t));
2726	if (notify->nt_lreserved) {
2727		ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN);
2728		ntp->nt.nt_lreserved = &ntp->data;
2729	}
2730	ntp->seq_id = notify->nt_tagval;
2731	ntp->tag_id = notify->nt_tagval >> 32;
2732
2733	tptr->inot_count--;
2734	SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
2735	ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
2736	inot->ccb_h.status = CAM_MESSAGE_RECV;
2737	xpt_done((union ccb *)inot);
2738	return;
2739bad:
2740	if (notify->nt_need_ack && notify->nt_lreserved) {
2741		if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2742			if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) {
2743				isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK");
2744			}
2745		} else {
2746			isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved);
2747		}
2748	}
2749}
2750
2751static void
2752isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id)
2753{
2754	atio_private_data_t *atp, *atpool;
2755	inot_private_data_t *ntp, *tmp;
2756	uint32_t this_tag_id;
2757
2758	/*
2759	 * First, clean any commands pending restart
2760	 */
2761	STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) {
2762		if (IS_24XX(isp))
2763			this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid;
2764		else
2765			this_tag_id = ((at2_entry_t *)ntp->data)->at_rxid;
2766		if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) {
2767			isp_endcmd(isp, ntp->data, NIL_HANDLE, chan,
2768			    ECMD_TERMINATE, 0);
2769			isp_put_ntpd(isp, chan, ntp);
2770			STAILQ_REMOVE(&tptr->restart_queue, ntp,
2771			    inot_private_data, next);
2772		}
2773	}
2774
2775	/*
2776	 * Now mark other ones dead as well.
2777	 */
2778	ISP_GET_PC(isp, chan, atpool, atpool);
2779	for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) {
2780		if (atp->lun != tptr->ts_lun)
2781			continue;
2782		if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id)
2783			atp->dead = 1;
2784	}
2785}
2786#endif
2787
2788static void
2789isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg)
2790{
2791	struct cam_sim *sim;
2792	int bus, tgt;
2793	ispsoftc_t *isp;
2794
2795	sim = (struct cam_sim *)cbarg;
2796	isp = (ispsoftc_t *) cam_sim_softc(sim);
2797	bus = cam_sim_bus(sim);
2798	tgt = xpt_path_target_id(path);
2799
2800	switch (code) {
2801	case AC_LOST_DEVICE:
2802		if (IS_SCSI(isp)) {
2803			uint16_t oflags, nflags;
2804			sdparam *sdp = SDPARAM(isp, bus);
2805
2806			if (tgt >= 0) {
2807				nflags = sdp->isp_devparam[tgt].nvrm_flags;
2808				nflags &= DPARM_SAFE_DFLT;
2809				if (isp->isp_loaded_fw) {
2810					nflags |= DPARM_NARROW | DPARM_ASYNC;
2811				}
2812				oflags = sdp->isp_devparam[tgt].goal_flags;
2813				sdp->isp_devparam[tgt].goal_flags = nflags;
2814				sdp->isp_devparam[tgt].dev_update = 1;
2815				sdp->update = 1;
2816				(void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
2817				sdp->isp_devparam[tgt].goal_flags = oflags;
2818			}
2819		}
2820		break;
2821	default:
2822		isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
2823		break;
2824	}
2825}
2826
2827static void
2828isp_poll(struct cam_sim *sim)
2829{
2830	ispsoftc_t *isp = cam_sim_softc(sim);
2831	uint16_t isr, sema, info;
2832
2833	if (ISP_READ_ISR(isp, &isr, &sema, &info))
2834		isp_intr(isp, isr, sema, info);
2835}
2836
2837
2838static void
2839isp_watchdog(void *arg)
2840{
2841	struct ccb_scsiio *xs = arg;
2842	ispsoftc_t *isp;
2843	uint32_t ohandle = ISP_HANDLE_FREE, handle;
2844
2845	isp = XS_ISP(xs);
2846
2847	handle = isp_find_handle(isp, xs);
2848
2849	/*
2850	 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere.
2851	 */
2852	if (handle != ISP_HANDLE_FREE) {
2853		uint16_t isr, sema, info;
2854		if (ISP_READ_ISR(isp, &isr, &sema, &info) != 0)
2855			isp_intr(isp, isr, sema, info);
2856		ohandle = handle;
2857		handle = isp_find_handle(isp, xs);
2858	}
2859	if (handle != ISP_HANDLE_FREE) {
2860		/*
2861		 * Try and make sure the command is really dead before
2862		 * we release the handle (and DMA resources) for reuse.
2863		 *
2864		 * If we are successful in aborting the command then
2865		 * we're done here because we'll get the command returned
2866		 * back separately.
2867		 */
2868		if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
2869			return;
2870		}
2871
2872		/*
2873		 * Note that after calling the above, the command may in
2874		 * fact have been completed.
2875		 */
2876		xs = isp_find_xs(isp, handle);
2877
2878		/*
2879		 * If the command no longer exists, then we won't
2880		 * be able to find the xs again with this handle.
2881		 */
2882		if (xs == NULL) {
2883			return;
2884		}
2885
2886		/*
2887		 * After this point, the command is really dead.
2888		 */
2889		if (XS_XFRLEN(xs)) {
2890			ISP_DMAFREE(isp, xs, handle);
2891		}
2892		isp_destroy_handle(isp, handle);
2893		isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle);
2894		xs->ccb_h.status &= ~CAM_STATUS_MASK;
2895		xs->ccb_h.status |= CAM_CMD_TIMEOUT;
2896		isp_prt_endcmd(isp, xs);
2897		isp_done(xs);
2898	} else {
2899		if (ohandle != ISP_HANDLE_FREE) {
2900			isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle);
2901		} else {
2902			isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__);
2903		}
2904	}
2905}
2906
2907static void
2908isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
2909{
2910	union ccb *ccb;
2911	struct isp_fc *fc = ISP_FC_PC(isp, chan);
2912
2913	/*
2914	 * Allocate a CCB, create a wildcard path for this target and schedule a rescan.
2915	 */
2916	ccb = xpt_alloc_ccb_nowait();
2917	if (ccb == NULL) {
2918		isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan);
2919		return;
2920	}
2921	if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim),
2922	    tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
2923		isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan");
2924		xpt_free_ccb(ccb);
2925		return;
2926	}
2927	xpt_rescan(ccb);
2928}
2929
2930static void
2931isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
2932{
2933	struct cam_path *tp;
2934	struct isp_fc *fc = ISP_FC_PC(isp, chan);
2935
2936	if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
2937		xpt_async(AC_LOST_DEVICE, tp, NULL);
2938		xpt_free_path(tp);
2939	}
2940}
2941
2942/*
2943 * Gone Device Timer Function- when we have decided that a device has gone
2944 * away, we wait a specific period of time prior to telling the OS it has
2945 * gone away.
2946 *
2947 * This timer function fires once a second and then scans the port database
2948 * for devices that are marked dead but still have a virtual target assigned.
2949 * We decrement a counter for that port database entry, and when it hits zero,
2950 * we tell the OS the device has gone away.
2951 */
2952static void
2953isp_gdt(void *arg)
2954{
2955	struct isp_fc *fc = arg;
2956	taskqueue_enqueue(taskqueue_thread, &fc->gtask);
2957}
2958
2959static void
2960isp_gdt_task(void *arg, int pending)
2961{
2962	struct isp_fc *fc = arg;
2963	ispsoftc_t *isp = fc->isp;
2964	int chan = fc - isp->isp_osinfo.pc.fc;
2965	fcportdb_t *lp;
2966	struct ac_contract ac;
2967	struct ac_device_changed *adc;
2968	int dbidx, more_to_do = 0;
2969
2970	ISP_LOCK(isp);
2971	isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan);
2972	for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
2973		lp = &FCPARAM(isp, chan)->portdb[dbidx];
2974
2975		if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
2976			continue;
2977		}
2978		if (lp->gone_timer != 0) {
2979			lp->gone_timer -= 1;
2980			more_to_do++;
2981			continue;
2982		}
2983		isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout");
2984		if (lp->is_target) {
2985			lp->is_target = 0;
2986			isp_make_gone(isp, lp, chan, dbidx);
2987		}
2988		if (lp->is_initiator) {
2989			lp->is_initiator = 0;
2990			ac.contract_number = AC_CONTRACT_DEV_CHG;
2991			adc = (struct ac_device_changed *) ac.contract_data;
2992			adc->wwpn = lp->port_wwn;
2993			adc->port = lp->portid;
2994			adc->target = dbidx;
2995			adc->arrived = 0;
2996			xpt_async(AC_CONTRACT, fc->path, &ac);
2997		}
2998		lp->state = FC_PORTDB_STATE_NIL;
2999	}
3000	if (fc->ready) {
3001		if (more_to_do) {
3002			callout_reset(&fc->gdt, hz, isp_gdt, fc);
3003		} else {
3004			callout_deactivate(&fc->gdt);
3005			isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime);
3006		}
3007	}
3008	ISP_UNLOCK(isp);
3009}
3010
3011/*
3012 * When loop goes down we remember the time and freeze CAM command queue.
3013 * During some time period we are trying to reprobe the loop.  But if we
3014 * fail, we tell the OS that devices have gone away and drop the freeze.
3015 *
3016 * We don't clear the devices out of our port database because, when loop
3017 * come back up, we have to do some actual cleanup with the chip at that
3018 * point (implicit PLOGO, e.g., to get the chip's port database state right).
3019 */
3020static void
3021isp_loop_changed(ispsoftc_t *isp, int chan)
3022{
3023	fcparam *fcp = FCPARAM(isp, chan);
3024	struct isp_fc *fc = ISP_FC_PC(isp, chan);
3025
3026	if (fc->loop_down_time)
3027		return;
3028	isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan);
3029	if (fcp->role & ISP_ROLE_INITIATOR)
3030		isp_freeze_loopdown(isp, chan);
3031	fc->loop_down_time = time_uptime;
3032	wakeup(fc);
3033}
3034
3035static void
3036isp_loop_up(ispsoftc_t *isp, int chan)
3037{
3038	struct isp_fc *fc = ISP_FC_PC(isp, chan);
3039
3040	isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan);
3041	fc->loop_seen_once = 1;
3042	fc->loop_down_time = 0;
3043	isp_unfreeze_loopdown(isp, chan);
3044}
3045
3046static void
3047isp_loop_dead(ispsoftc_t *isp, int chan)
3048{
3049	fcparam *fcp = FCPARAM(isp, chan);
3050	struct isp_fc *fc = ISP_FC_PC(isp, chan);
3051	fcportdb_t *lp;
3052	struct ac_contract ac;
3053	struct ac_device_changed *adc;
3054	int dbidx, i;
3055
3056	isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan);
3057
3058	/*
3059	 * Notify to the OS all targets who we now consider have departed.
3060	 */
3061	for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
3062		lp = &fcp->portdb[dbidx];
3063
3064		if (lp->state == FC_PORTDB_STATE_NIL)
3065			continue;
3066
3067		/*
3068		 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST!
3069		 */
3070		for (i = 0; i < isp->isp_maxcmds; i++) {
3071			struct ccb_scsiio *xs;
3072
3073			if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) {
3074				continue;
3075			}
3076			if ((xs = isp->isp_xflist[i].cmd) == NULL) {
3077				continue;
3078                        }
3079			if (dbidx != XS_TGT(xs)) {
3080				continue;
3081			}
3082			isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout",
3083			    isp->isp_xflist[i].handle, chan, XS_TGT(xs),
3084			    (uintmax_t)XS_LUN(xs));
3085		}
3086
3087		isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout");
3088		if (lp->is_target) {
3089			lp->is_target = 0;
3090			isp_make_gone(isp, lp, chan, dbidx);
3091		}
3092		if (lp->is_initiator) {
3093			lp->is_initiator = 0;
3094			ac.contract_number = AC_CONTRACT_DEV_CHG;
3095			adc = (struct ac_device_changed *) ac.contract_data;
3096			adc->wwpn = lp->port_wwn;
3097			adc->port = lp->portid;
3098			adc->target = dbidx;
3099			adc->arrived = 0;
3100			xpt_async(AC_CONTRACT, fc->path, &ac);
3101		}
3102	}
3103
3104	isp_unfreeze_loopdown(isp, chan);
3105	fc->loop_down_time = 0;
3106}
3107
3108static void
3109isp_kthread(void *arg)
3110{
3111	struct isp_fc *fc = arg;
3112	ispsoftc_t *isp = fc->isp;
3113	int chan = fc - isp->isp_osinfo.pc.fc;
3114	int slp = 0, d;
3115	int lb, lim;
3116
3117	mtx_lock(&isp->isp_osinfo.lock);
3118
3119	while (isp->isp_osinfo.is_exiting == 0) {
3120		isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
3121		    "Chan %d Checking FC state", chan);
3122		lb = isp_fc_runstate(isp, chan, 250000);
3123		isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
3124		    "Chan %d FC got to %s state", chan,
3125		    isp_fc_loop_statename(lb));
3126
3127		/*
3128		 * Our action is different based upon whether we're supporting
3129		 * Initiator mode or not. If we are, we might freeze the simq
3130		 * when loop is down and set all sorts of different delays to
3131		 * check again.
3132		 *
3133		 * If not, we simply just wait for loop to come up.
3134		 */
3135		if (lb == LOOP_READY || lb < 0) {
3136			slp = 0;
3137		} else {
3138			/*
3139			 * If we've never seen loop up and we've waited longer
3140			 * than quickboot time, or we've seen loop up but we've
3141			 * waited longer than loop_down_limit, give up and go
3142			 * to sleep until loop comes up.
3143			 */
3144			if (fc->loop_seen_once == 0)
3145				lim = isp_quickboot_time;
3146			else
3147				lim = fc->loop_down_limit;
3148			d = time_uptime - fc->loop_down_time;
3149			if (d >= lim)
3150				slp = 0;
3151			else if (d < 10)
3152				slp = 1;
3153			else if (d < 30)
3154				slp = 5;
3155			else if (d < 60)
3156				slp = 10;
3157			else if (d < 120)
3158				slp = 20;
3159			else
3160				slp = 30;
3161		}
3162
3163		if (slp == 0) {
3164			if (lb == LOOP_READY)
3165				isp_loop_up(isp, chan);
3166			else
3167				isp_loop_dead(isp, chan);
3168		}
3169
3170		isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
3171		    "Chan %d sleep for %d seconds", chan, slp);
3172		msleep(fc, &isp->isp_osinfo.lock, PRIBIO, "ispf", slp * hz);
3173	}
3174	fc->num_threads -= 1;
3175	mtx_unlock(&isp->isp_osinfo.lock);
3176	kthread_exit();
3177}
3178
3179#ifdef	ISP_TARGET_MODE
3180static void
3181isp_abort_atio(ispsoftc_t *isp, union ccb *ccb)
3182{
3183	atio_private_data_t *atp;
3184	union ccb *accb = ccb->cab.abort_ccb;
3185	struct ccb_hdr *sccb;
3186	tstate_t *tptr;
3187
3188	tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
3189	if (tptr != NULL) {
3190		/* Search for the ATIO among queueued. */
3191		SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) {
3192			if (sccb != &accb->ccb_h)
3193				continue;
3194			SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle);
3195			tptr->atio_count--;
3196			accb->ccb_h.status = CAM_REQ_ABORTED;
3197			xpt_done(accb);
3198			ccb->ccb_h.status = CAM_REQ_CMP;
3199			return;
3200		}
3201	}
3202
3203	/* Search for the ATIO among running. */
3204	atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id);
3205	if (atp != NULL) {
3206		/* Send TERMINATE to firmware. */
3207		if (!atp->dead && IS_24XX(isp)) {
3208			uint8_t storage[QENTRY_LEN];
3209			ct7_entry_t *cto = (ct7_entry_t *) storage;
3210
3211			ISP_MEMZERO(cto, sizeof (ct7_entry_t));
3212			cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
3213			cto->ct_header.rqs_entry_count = 1;
3214			cto->ct_nphdl = atp->nphdl;
3215			cto->ct_rxid = atp->tag;
3216			cto->ct_iid_lo = atp->sid;
3217			cto->ct_iid_hi = atp->sid >> 16;
3218			cto->ct_oxid = atp->oxid;
3219			cto->ct_vpidx = XS_CHANNEL(accb);
3220			cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
3221			isp_target_put_entry(isp, cto);
3222		}
3223		isp_put_atpd(isp, XS_CHANNEL(accb), atp);
3224		ccb->ccb_h.status = CAM_REQ_CMP;
3225	} else {
3226		ccb->ccb_h.status = CAM_UA_ABORT;
3227	}
3228}
3229
3230static void
3231isp_abort_inot(ispsoftc_t *isp, union ccb *ccb)
3232{
3233	inot_private_data_t *ntp;
3234	union ccb *accb = ccb->cab.abort_ccb;
3235	struct ccb_hdr *sccb;
3236	tstate_t *tptr;
3237
3238	tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
3239	if (tptr != NULL) {
3240		/* Search for the INOT among queueued. */
3241		SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) {
3242			if (sccb != &accb->ccb_h)
3243				continue;
3244			SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle);
3245			tptr->inot_count--;
3246			accb->ccb_h.status = CAM_REQ_ABORTED;
3247			xpt_done(accb);
3248			ccb->ccb_h.status = CAM_REQ_CMP;
3249			return;
3250		}
3251	}
3252
3253	/* Search for the INOT among running. */
3254	ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id);
3255	if (ntp != NULL) {
3256		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, ntp->data);
3257		isp_put_ntpd(isp, XS_CHANNEL(accb), ntp);
3258		ccb->ccb_h.status = CAM_REQ_CMP;
3259	} else {
3260		ccb->ccb_h.status = CAM_UA_ABORT;
3261		return;
3262	}
3263}
3264#endif
3265
3266static void
3267isp_action(struct cam_sim *sim, union ccb *ccb)
3268{
3269	int bus, tgt, ts, error;
3270	ispsoftc_t *isp;
3271	struct ccb_trans_settings *cts;
3272
3273	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
3274
3275	isp = (ispsoftc_t *)cam_sim_softc(sim);
3276	mtx_assert(&isp->isp_lock, MA_OWNED);
3277	isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
3278	ISP_PCMD(ccb) = NULL;
3279
3280	switch (ccb->ccb_h.func_code) {
3281	case XPT_SCSI_IO:	/* Execute the requested I/O operation */
3282		bus = XS_CHANNEL(ccb);
3283		/*
3284		 * Do a couple of preliminary checks...
3285		 */
3286		if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
3287			if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
3288				ccb->ccb_h.status = CAM_REQ_INVALID;
3289				isp_done((struct ccb_scsiio *) ccb);
3290				break;
3291			}
3292		}
3293		ccb->csio.req_map = NULL;
3294#ifdef	DIAGNOSTIC
3295		if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) {
3296			xpt_print(ccb->ccb_h.path, "invalid target\n");
3297			ccb->ccb_h.status = CAM_PATH_INVALID;
3298		} else if (ISP_MAX_LUNS(isp) > 0 &&
3299		    ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) {
3300			xpt_print(ccb->ccb_h.path, "invalid lun\n");
3301			ccb->ccb_h.status = CAM_PATH_INVALID;
3302		}
3303		if (ccb->ccb_h.status == CAM_PATH_INVALID) {
3304			xpt_done(ccb);
3305			break;
3306		}
3307#endif
3308		ccb->csio.scsi_status = SCSI_STATUS_OK;
3309		if (isp_get_pcmd(isp, ccb)) {
3310			isp_prt(isp, ISP_LOGWARN, "out of PCMDs");
3311			cam_freeze_devq(ccb->ccb_h.path);
3312			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
3313			ccb->ccb_h.status = CAM_REQUEUE_REQ;
3314			xpt_done(ccb);
3315			break;
3316		}
3317		error = isp_start((XS_T *) ccb);
3318		switch (error) {
3319		case CMD_QUEUED:
3320			ccb->ccb_h.status |= CAM_SIM_QUEUED;
3321			if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) {
3322				break;
3323			}
3324			ts = ccb->ccb_h.timeout;
3325			if (ts == CAM_TIME_DEFAULT) {
3326				ts = 60*1000;
3327			}
3328			ts = isp_mstohz(ts);
3329			callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb);
3330			break;
3331		case CMD_RQLATER:
3332			isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later",
3333			    XS_TGT(ccb), (uintmax_t)XS_LUN(ccb));
3334			cam_freeze_devq(ccb->ccb_h.path);
3335			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3336			ccb->ccb_h.status = CAM_REQUEUE_REQ;
3337			isp_free_pcmd(isp, ccb);
3338			xpt_done(ccb);
3339			break;
3340		case CMD_EAGAIN:
3341			isp_free_pcmd(isp, ccb);
3342			cam_freeze_devq(ccb->ccb_h.path);
3343			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0);
3344			ccb->ccb_h.status = CAM_REQUEUE_REQ;
3345			xpt_done(ccb);
3346			break;
3347		case CMD_COMPLETE:
3348			isp_done((struct ccb_scsiio *) ccb);
3349			break;
3350		default:
3351			isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__);
3352			ccb->ccb_h.status = CAM_REQUEUE_REQ;
3353			isp_free_pcmd(isp, ccb);
3354			xpt_done(ccb);
3355		}
3356		break;
3357
3358#ifdef	ISP_TARGET_MODE
3359	case XPT_EN_LUN:		/* Enable/Disable LUN as a target */
3360		if (ccb->cel.enable) {
3361			isp_enable_lun(isp, ccb);
3362		} else {
3363			isp_disable_lun(isp, ccb);
3364		}
3365		break;
3366	case XPT_IMMEDIATE_NOTIFY:	/* Add Immediate Notify Resource */
3367	case XPT_ACCEPT_TARGET_IO:	/* Add Accept Target IO Resource */
3368	{
3369		tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
3370		if (tptr == NULL) {
3371			const char *str;
3372
3373			if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY)
3374				str = "XPT_IMMEDIATE_NOTIFY";
3375			else
3376				str = "XPT_ACCEPT_TARGET_IO";
3377			ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path,
3378			    "%s: no state pointer found for %s\n",
3379			    __func__, str);
3380			ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3381			xpt_done(ccb);
3382			break;
3383		}
3384		ccb->ccb_h.spriv_field0 = 0;
3385		ccb->ccb_h.spriv_ptr1 = isp;
3386
3387		if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
3388			ccb->atio.tag_id = 0;
3389			tptr->atio_count++;
3390			SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle);
3391			ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
3392			    "Put FREE ATIO, count now %d\n", tptr->atio_count);
3393		} else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
3394			ccb->cin1.seq_id = ccb->cin1.tag_id = 0;
3395			tptr->inot_count++;
3396			SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
3397			ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
3398			    "Put FREE INOT, count now %d\n", tptr->inot_count);
3399		}
3400		ccb->ccb_h.status = CAM_REQ_INPROG;
3401		break;
3402	}
3403	case XPT_NOTIFY_ACKNOWLEDGE:		/* notify ack */
3404	{
3405		inot_private_data_t *ntp;
3406
3407		/*
3408		 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb
3409		 * XXX: matches that for the immediate notify, we have to *search* for the notify structure
3410		 */
3411		/*
3412		 * All the relevant path information is in the associated immediate notify
3413		 */
3414		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);
3415		ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id);
3416		if (ntp == NULL) {
3417			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__,
3418			     ccb->cna2.tag_id, ccb->cna2.seq_id);
3419			ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3420			xpt_done(ccb);
3421			break;
3422		}
3423		if (isp_handle_platform_target_notify_ack(isp, &ntp->nt,
3424		    (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) {
3425			cam_freeze_devq(ccb->ccb_h.path);
3426			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3427			ccb->ccb_h.status &= ~CAM_STATUS_MASK;
3428			ccb->ccb_h.status |= CAM_REQUEUE_REQ;
3429			break;
3430		}
3431		isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp);
3432		ccb->ccb_h.status = CAM_REQ_CMP;
3433		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);
3434		xpt_done(ccb);
3435		break;
3436	}
3437	case XPT_CONT_TARGET_IO:
3438		isp_target_start_ctio(isp, ccb, FROM_CAM);
3439		break;
3440#endif
3441	case XPT_RESET_DEV:		/* BDR the specified SCSI device */
3442		bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
3443		tgt = ccb->ccb_h.target_id;
3444		tgt |= (bus << 16);
3445
3446		error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt);
3447		if (error) {
3448			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3449		} else {
3450			/*
3451			 * If we have a FC device, reset the Command
3452			 * Reference Number, because the target will expect
3453			 * that we re-start the CRN at 1 after a reset.
3454			 */
3455			if (IS_FC(isp))
3456				isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3457
3458			ccb->ccb_h.status = CAM_REQ_CMP;
3459		}
3460		xpt_done(ccb);
3461		break;
3462	case XPT_ABORT:			/* Abort the specified CCB */
3463	{
3464		union ccb *accb = ccb->cab.abort_ccb;
3465		switch (accb->ccb_h.func_code) {
3466#ifdef	ISP_TARGET_MODE
3467		case XPT_ACCEPT_TARGET_IO:
3468			isp_abort_atio(isp, ccb);
3469			break;
3470		case XPT_IMMEDIATE_NOTIFY:
3471			isp_abort_inot(isp, ccb);
3472			break;
3473#endif
3474		case XPT_SCSI_IO:
3475			error = isp_control(isp, ISPCTL_ABORT_CMD, accb);
3476			if (error) {
3477				ccb->ccb_h.status = CAM_UA_ABORT;
3478			} else {
3479				ccb->ccb_h.status = CAM_REQ_CMP;
3480			}
3481			break;
3482		default:
3483			ccb->ccb_h.status = CAM_REQ_INVALID;
3484			break;
3485		}
3486		/*
3487		 * This is not a queued CCB, so the caller expects it to be
3488		 * complete when control is returned.
3489		 */
3490		break;
3491	}
3492#define	IS_CURRENT_SETTINGS(c)	(c->type == CTS_TYPE_CURRENT_SETTINGS)
3493	case XPT_SET_TRAN_SETTINGS:	/* Nexus Settings */
3494		cts = &ccb->cts;
3495		if (!IS_CURRENT_SETTINGS(cts)) {
3496			ccb->ccb_h.status = CAM_REQ_INVALID;
3497			xpt_done(ccb);
3498			break;
3499		}
3500		tgt = cts->ccb_h.target_id;
3501		bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
3502		if (IS_SCSI(isp)) {
3503			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3504			struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3505			sdparam *sdp = SDPARAM(isp, bus);
3506			uint16_t *dptr;
3507
3508			if (spi->valid == 0 && scsi->valid == 0) {
3509				ccb->ccb_h.status = CAM_REQ_CMP;
3510				xpt_done(ccb);
3511				break;
3512			}
3513
3514			/*
3515			 * We always update (internally) from goal_flags
3516			 * so any request to change settings just gets
3517			 * vectored to that location.
3518			 */
3519			dptr = &sdp->isp_devparam[tgt].goal_flags;
3520
3521			if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
3522				if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
3523					*dptr |= DPARM_DISC;
3524				else
3525					*dptr &= ~DPARM_DISC;
3526			}
3527
3528			if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
3529				if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
3530					*dptr |= DPARM_TQING;
3531				else
3532					*dptr &= ~DPARM_TQING;
3533			}
3534
3535			if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
3536				if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
3537					*dptr |= DPARM_WIDE;
3538				else
3539					*dptr &= ~DPARM_WIDE;
3540			}
3541
3542			/*
3543			 * XXX: FIX ME
3544			 */
3545			if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) {
3546				*dptr |= DPARM_SYNC;
3547				/*
3548				 * XXX: CHECK FOR LEGALITY
3549				 */
3550				sdp->isp_devparam[tgt].goal_period = spi->sync_period;
3551				sdp->isp_devparam[tgt].goal_offset = spi->sync_offset;
3552			} else {
3553				*dptr &= ~DPARM_SYNC;
3554			}
3555			isp_prt(isp, ISP_LOGDEBUG0, "SET (%d.%d.%jx) to flags %x off %x per %x", bus, tgt, (uintmax_t)cts->ccb_h.target_lun, sdp->isp_devparam[tgt].goal_flags,
3556			    sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period);
3557			sdp->isp_devparam[tgt].dev_update = 1;
3558			sdp->update = 1;
3559		}
3560		ccb->ccb_h.status = CAM_REQ_CMP;
3561		xpt_done(ccb);
3562		break;
3563	case XPT_GET_TRAN_SETTINGS:
3564		cts = &ccb->cts;
3565		tgt = cts->ccb_h.target_id;
3566		bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
3567		if (IS_FC(isp)) {
3568			fcparam *fcp = FCPARAM(isp, bus);
3569			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3570			struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc;
3571
3572			cts->protocol = PROTO_SCSI;
3573			cts->protocol_version = SCSI_REV_2;
3574			cts->transport = XPORT_FC;
3575			cts->transport_version = 0;
3576
3577			scsi->valid = CTS_SCSI_VALID_TQ;
3578			scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
3579			fc->valid = CTS_FC_VALID_SPEED;
3580			fc->bitrate = 100000;
3581			fc->bitrate *= fcp->isp_gbspeed;
3582			if (tgt < MAX_FC_TARG) {
3583				fcportdb_t *lp = &fcp->portdb[tgt];
3584				fc->wwnn = lp->node_wwn;
3585				fc->wwpn = lp->port_wwn;
3586				fc->port = lp->portid;
3587				fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
3588			}
3589		} else {
3590			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3591			struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3592			sdparam *sdp = SDPARAM(isp, bus);
3593			uint16_t dval, pval, oval;
3594
3595			if (IS_CURRENT_SETTINGS(cts)) {
3596				sdp->isp_devparam[tgt].dev_refresh = 1;
3597				sdp->update = 1;
3598				(void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
3599				dval = sdp->isp_devparam[tgt].actv_flags;
3600				oval = sdp->isp_devparam[tgt].actv_offset;
3601				pval = sdp->isp_devparam[tgt].actv_period;
3602			} else {
3603				dval = sdp->isp_devparam[tgt].nvrm_flags;
3604				oval = sdp->isp_devparam[tgt].nvrm_offset;
3605				pval = sdp->isp_devparam[tgt].nvrm_period;
3606			}
3607
3608			cts->protocol = PROTO_SCSI;
3609			cts->protocol_version = SCSI_REV_2;
3610			cts->transport = XPORT_SPI;
3611			cts->transport_version = 2;
3612
3613			spi->valid = 0;
3614			scsi->valid = 0;
3615			spi->flags = 0;
3616			scsi->flags = 0;
3617			if (dval & DPARM_DISC) {
3618				spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3619			}
3620			if ((dval & DPARM_SYNC) && oval && pval) {
3621				spi->sync_offset = oval;
3622				spi->sync_period = pval;
3623			} else {
3624				spi->sync_offset = 0;
3625				spi->sync_period = 0;
3626			}
3627			spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3628			spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3629			spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
3630			if (dval & DPARM_WIDE) {
3631				spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3632			} else {
3633				spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3634			}
3635			if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
3636				scsi->valid = CTS_SCSI_VALID_TQ;
3637				if (dval & DPARM_TQING) {
3638					scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3639				}
3640				spi->valid |= CTS_SPI_VALID_DISC;
3641			}
3642			isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
3643			    bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval);
3644		}
3645		ccb->ccb_h.status = CAM_REQ_CMP;
3646		xpt_done(ccb);
3647		break;
3648
3649	case XPT_CALC_GEOMETRY:
3650		cam_calc_geometry(&ccb->ccg, 1);
3651		xpt_done(ccb);
3652		break;
3653
3654	case XPT_RESET_BUS:		/* Reset the specified bus */
3655		bus = cam_sim_bus(sim);
3656		error = isp_control(isp, ISPCTL_RESET_BUS, bus);
3657		if (error) {
3658			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3659			xpt_done(ccb);
3660			break;
3661		}
3662		if (bootverbose) {
3663			xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus);
3664		}
3665		if (IS_FC(isp)) {
3666			xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0);
3667		} else {
3668			xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0);
3669		}
3670		ccb->ccb_h.status = CAM_REQ_CMP;
3671		xpt_done(ccb);
3672		break;
3673
3674	case XPT_TERM_IO:		/* Terminate the I/O process */
3675		ccb->ccb_h.status = CAM_REQ_INVALID;
3676		xpt_done(ccb);
3677		break;
3678
3679	case XPT_SET_SIM_KNOB:		/* Set SIM knobs */
3680	{
3681		struct ccb_sim_knob *kp = &ccb->knob;
3682		fcparam *fcp;
3683
3684		if (!IS_FC(isp)) {
3685			ccb->ccb_h.status = CAM_REQ_INVALID;
3686			xpt_done(ccb);
3687			break;
3688		}
3689
3690		bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
3691		fcp = FCPARAM(isp, bus);
3692
3693		if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) {
3694			fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn;
3695			fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn;
3696			isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn);
3697		}
3698		ccb->ccb_h.status = CAM_REQ_CMP;
3699		if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) {
3700			int rchange = 0;
3701			int newrole = 0;
3702
3703			switch (kp->xport_specific.fc.role) {
3704			case KNOB_ROLE_NONE:
3705				if (fcp->role != ISP_ROLE_NONE) {
3706					rchange = 1;
3707					newrole = ISP_ROLE_NONE;
3708				}
3709				break;
3710			case KNOB_ROLE_TARGET:
3711				if (fcp->role != ISP_ROLE_TARGET) {
3712					rchange = 1;
3713					newrole = ISP_ROLE_TARGET;
3714				}
3715				break;
3716			case KNOB_ROLE_INITIATOR:
3717				if (fcp->role != ISP_ROLE_INITIATOR) {
3718					rchange = 1;
3719					newrole = ISP_ROLE_INITIATOR;
3720				}
3721				break;
3722			case KNOB_ROLE_BOTH:
3723				if (fcp->role != ISP_ROLE_BOTH) {
3724					rchange = 1;
3725					newrole = ISP_ROLE_BOTH;
3726				}
3727				break;
3728			}
3729			if (rchange) {
3730				ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole);
3731				if (isp_control(isp, ISPCTL_CHANGE_ROLE,
3732				    bus, newrole) != 0) {
3733					ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3734					xpt_done(ccb);
3735					break;
3736				}
3737			}
3738		}
3739		xpt_done(ccb);
3740		break;
3741	}
3742	case XPT_GET_SIM_KNOB_OLD:	/* Get SIM knobs -- compat value */
3743	case XPT_GET_SIM_KNOB:		/* Get SIM knobs */
3744	{
3745		struct ccb_sim_knob *kp = &ccb->knob;
3746
3747		if (IS_FC(isp)) {
3748			fcparam *fcp;
3749
3750			bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
3751			fcp = FCPARAM(isp, bus);
3752
3753			kp->xport_specific.fc.wwnn = fcp->isp_wwnn;
3754			kp->xport_specific.fc.wwpn = fcp->isp_wwpn;
3755			switch (fcp->role) {
3756			case ISP_ROLE_NONE:
3757				kp->xport_specific.fc.role = KNOB_ROLE_NONE;
3758				break;
3759			case ISP_ROLE_TARGET:
3760				kp->xport_specific.fc.role = KNOB_ROLE_TARGET;
3761				break;
3762			case ISP_ROLE_INITIATOR:
3763				kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR;
3764				break;
3765			case ISP_ROLE_BOTH:
3766				kp->xport_specific.fc.role = KNOB_ROLE_BOTH;
3767				break;
3768			}
3769			kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE;
3770			ccb->ccb_h.status = CAM_REQ_CMP;
3771		} else {
3772			ccb->ccb_h.status = CAM_REQ_INVALID;
3773		}
3774		xpt_done(ccb);
3775		break;
3776	}
3777	case XPT_PATH_INQ:		/* Path routing inquiry */
3778	{
3779		struct ccb_pathinq *cpi = &ccb->cpi;
3780
3781		cpi->version_num = 1;
3782#ifdef	ISP_TARGET_MODE
3783		if (IS_FC(isp) && ISP_CAP_TMODE(isp) && ISP_CAP_SCCFW(isp))
3784			cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
3785		else
3786#endif
3787			cpi->target_sprt = 0;
3788		cpi->hba_eng_cnt = 0;
3789		cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
3790		cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ?
3791		    255 : ISP_MAX_LUNS(isp) - 1;
3792		cpi->bus_id = cam_sim_bus(sim);
3793		if (isp->isp_osinfo.sixtyfourbit)
3794			cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE;
3795		else
3796			cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE;
3797
3798		bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
3799		if (IS_FC(isp)) {
3800			fcparam *fcp = FCPARAM(isp, bus);
3801
3802			cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
3803			cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN;
3804
3805			/*
3806			 * Because our loop ID can shift from time to time,
3807			 * make our initiator ID out of range of our bus.
3808			 */
3809			cpi->initiator_id = cpi->max_target + 1;
3810
3811			/*
3812			 * Set base transfer capabilities for Fibre Channel, for this HBA.
3813			 */
3814			if (IS_25XX(isp)) {
3815				cpi->base_transfer_speed = 8000000;
3816			} else if (IS_24XX(isp)) {
3817				cpi->base_transfer_speed = 4000000;
3818			} else if (IS_23XX(isp)) {
3819				cpi->base_transfer_speed = 2000000;
3820			} else {
3821				cpi->base_transfer_speed = 1000000;
3822			}
3823			cpi->hba_inquiry = PI_TAG_ABLE;
3824			cpi->transport = XPORT_FC;
3825			cpi->transport_version = 0;
3826			cpi->xport_specific.fc.wwnn = fcp->isp_wwnn;
3827			cpi->xport_specific.fc.wwpn = fcp->isp_wwpn;
3828			cpi->xport_specific.fc.port = fcp->isp_portid;
3829			cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000;
3830		} else {
3831			sdparam *sdp = SDPARAM(isp, bus);
3832			cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
3833			cpi->hba_misc = PIM_UNMAPPED;
3834			cpi->initiator_id = sdp->isp_initiator_id;
3835			cpi->base_transfer_speed = 3300;
3836			cpi->transport = XPORT_SPI;
3837			cpi->transport_version = 2;
3838		}
3839		cpi->protocol = PROTO_SCSI;
3840		cpi->protocol_version = SCSI_REV_2;
3841		strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
3842		strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
3843		strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
3844		cpi->unit_number = cam_sim_unit(sim);
3845		cpi->ccb_h.status = CAM_REQ_CMP;
3846		xpt_done(ccb);
3847		break;
3848	}
3849	default:
3850		ccb->ccb_h.status = CAM_REQ_INVALID;
3851		xpt_done(ccb);
3852		break;
3853	}
3854}
3855
3856void
3857isp_done(XS_T *sccb)
3858{
3859	ispsoftc_t *isp = XS_ISP(sccb);
3860	uint32_t status;
3861
3862	if (XS_NOERR(sccb))
3863		XS_SETERR(sccb, CAM_REQ_CMP);
3864
3865	if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) {
3866		sccb->ccb_h.status &= ~CAM_STATUS_MASK;
3867		if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
3868			sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
3869		} else {
3870			sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
3871		}
3872	}
3873
3874	sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
3875	status = sccb->ccb_h.status & CAM_STATUS_MASK;
3876	if (status != CAM_REQ_CMP &&
3877	    (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
3878		sccb->ccb_h.status |= CAM_DEV_QFRZN;
3879		xpt_freeze_devq(sccb->ccb_h.path, 1);
3880	}
3881
3882	if (ISP_PCMD(sccb)) {
3883		if (callout_active(&PISP_PCMD(sccb)->wdog))
3884			callout_stop(&PISP_PCMD(sccb)->wdog);
3885		isp_free_pcmd(isp, (union ccb *) sccb);
3886	}
3887	xpt_done((union ccb *) sccb);
3888}
3889
3890void
3891isp_async(ispsoftc_t *isp, ispasync_t cmd, ...)
3892{
3893	int bus;
3894	static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s";
3895	char buf[64];
3896	char *msg = NULL;
3897	target_id_t tgt;
3898	fcportdb_t *lp;
3899	struct isp_fc *fc;
3900	struct cam_path *tmppath;
3901	struct ac_contract ac;
3902	struct ac_device_changed *adc;
3903	va_list ap;
3904
3905	switch (cmd) {
3906	case ISPASYNC_NEW_TGT_PARAMS:
3907	{
3908		struct ccb_trans_settings_scsi *scsi;
3909		struct ccb_trans_settings_spi *spi;
3910		int flags, tgt;
3911		sdparam *sdp;
3912		struct ccb_trans_settings cts;
3913
3914		memset(&cts, 0, sizeof (struct ccb_trans_settings));
3915
3916		va_start(ap, cmd);
3917		bus = va_arg(ap, int);
3918		tgt = va_arg(ap, int);
3919		va_end(ap);
3920		sdp = SDPARAM(isp, bus);
3921
3922		if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
3923			isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus);
3924			break;
3925		}
3926		flags = sdp->isp_devparam[tgt].actv_flags;
3927		cts.type = CTS_TYPE_CURRENT_SETTINGS;
3928		cts.protocol = PROTO_SCSI;
3929		cts.transport = XPORT_SPI;
3930
3931		scsi = &cts.proto_specific.scsi;
3932		spi = &cts.xport_specific.spi;
3933
3934		if (flags & DPARM_TQING) {
3935			scsi->valid |= CTS_SCSI_VALID_TQ;
3936			scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3937		}
3938
3939		if (flags & DPARM_DISC) {
3940			spi->valid |= CTS_SPI_VALID_DISC;
3941			spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3942		}
3943		spi->flags |= CTS_SPI_VALID_BUS_WIDTH;
3944		if (flags & DPARM_WIDE) {
3945			spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3946		} else {
3947			spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3948		}
3949		if (flags & DPARM_SYNC) {
3950			spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3951			spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3952			spi->sync_period = sdp->isp_devparam[tgt].actv_period;
3953			spi->sync_offset = sdp->isp_devparam[tgt].actv_offset;
3954		}
3955		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);
3956		xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
3957		xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
3958		xpt_free_path(tmppath);
3959		break;
3960	}
3961	case ISPASYNC_BUS_RESET:
3962	{
3963		va_start(ap, cmd);
3964		bus = va_arg(ap, int);
3965		va_end(ap);
3966		isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus);
3967		if (IS_FC(isp)) {
3968			xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL);
3969		} else {
3970			xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL);
3971		}
3972		break;
3973	}
3974	case ISPASYNC_LIP:
3975		if (msg == NULL)
3976			msg = "LIP Received";
3977		/* FALLTHROUGH */
3978	case ISPASYNC_LOOP_RESET:
3979		if (msg == NULL)
3980			msg = "LOOP Reset";
3981		/* FALLTHROUGH */
3982	case ISPASYNC_LOOP_DOWN:
3983		if (msg == NULL)
3984			msg = "LOOP Down";
3985		va_start(ap, cmd);
3986		bus = va_arg(ap, int);
3987		va_end(ap);
3988		isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0);
3989		isp_loop_changed(isp, bus);
3990		isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
3991		break;
3992	case ISPASYNC_LOOP_UP:
3993		va_start(ap, cmd);
3994		bus = va_arg(ap, int);
3995		va_end(ap);
3996		isp_loop_changed(isp, bus);
3997		isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus);
3998		break;
3999	case ISPASYNC_DEV_ARRIVED:
4000		va_start(ap, cmd);
4001		bus = va_arg(ap, int);
4002		lp = va_arg(ap, fcportdb_t *);
4003		va_end(ap);
4004		fc = ISP_FC_PC(isp, bus);
4005		tgt = FC_PORTDB_TGT(isp, bus, lp);
4006		isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
4007		isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived");
4008		if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
4009		    (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) {
4010			lp->is_target = 1;
4011			isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
4012			isp_make_here(isp, lp, bus, tgt);
4013		}
4014		if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
4015		    (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) {
4016			lp->is_initiator = 1;
4017			ac.contract_number = AC_CONTRACT_DEV_CHG;
4018			adc = (struct ac_device_changed *) ac.contract_data;
4019			adc->wwpn = lp->port_wwn;
4020			adc->port = lp->portid;
4021			adc->target = tgt;
4022			adc->arrived = 1;
4023			xpt_async(AC_CONTRACT, fc->path, &ac);
4024		}
4025		break;
4026	case ISPASYNC_DEV_CHANGED:
4027		va_start(ap, cmd);
4028		bus = va_arg(ap, int);
4029		lp = va_arg(ap, fcportdb_t *);
4030		va_end(ap);
4031		fc = ISP_FC_PC(isp, bus);
4032		tgt = FC_PORTDB_TGT(isp, bus, lp);
4033		isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3);
4034		isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed");
4035changed:
4036		if (lp->is_target !=
4037		    ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
4038		     (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) {
4039			lp->is_target = !lp->is_target;
4040			if (lp->is_target) {
4041				isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
4042				isp_make_here(isp, lp, bus, tgt);
4043			} else {
4044				isp_make_gone(isp, lp, bus, tgt);
4045				isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
4046			}
4047		}
4048		if (lp->is_initiator !=
4049		    ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
4050		     (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) {
4051			lp->is_initiator = !lp->is_initiator;
4052			ac.contract_number = AC_CONTRACT_DEV_CHG;
4053			adc = (struct ac_device_changed *) ac.contract_data;
4054			adc->wwpn = lp->port_wwn;
4055			adc->port = lp->portid;
4056			adc->target = tgt;
4057			adc->arrived = lp->is_initiator;
4058			xpt_async(AC_CONTRACT, fc->path, &ac);
4059		}
4060		break;
4061	case ISPASYNC_DEV_STAYED:
4062		va_start(ap, cmd);
4063		bus = va_arg(ap, int);
4064		lp = va_arg(ap, fcportdb_t *);
4065		va_end(ap);
4066		fc = ISP_FC_PC(isp, bus);
4067		tgt = FC_PORTDB_TGT(isp, bus, lp);
4068		isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
4069		isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed");
4070		goto changed;
4071	case ISPASYNC_DEV_GONE:
4072		va_start(ap, cmd);
4073		bus = va_arg(ap, int);
4074		lp = va_arg(ap, fcportdb_t *);
4075		va_end(ap);
4076		fc = ISP_FC_PC(isp, bus);
4077		tgt = FC_PORTDB_TGT(isp, bus, lp);
4078		/*
4079		 * If this has a virtual target or initiator set the isp_gdt
4080		 * timer running on it to delay its departure.
4081		 */
4082		isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
4083		if (lp->is_target || lp->is_initiator) {
4084			lp->state = FC_PORTDB_STATE_ZOMBIE;
4085			lp->gone_timer = fc->gone_device_time;
4086			isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie");
4087			if (fc->ready && !callout_active(&fc->gdt)) {
4088				isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Starting Gone Device Timer with %u seconds time now %lu", bus, lp->gone_timer, (unsigned long)time_uptime);
4089				callout_reset(&fc->gdt, hz, isp_gdt, fc);
4090			}
4091			break;
4092		}
4093		isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone");
4094		break;
4095	case ISPASYNC_CHANGE_NOTIFY:
4096	{
4097		char *msg;
4098		int evt, nphdl, nlstate, portid, reason;
4099
4100		va_start(ap, cmd);
4101		bus = va_arg(ap, int);
4102		evt = va_arg(ap, int);
4103		if (evt == ISPASYNC_CHANGE_PDB) {
4104			nphdl = va_arg(ap, int);
4105			nlstate = va_arg(ap, int);
4106			reason = va_arg(ap, int);
4107		} else if (evt == ISPASYNC_CHANGE_SNS) {
4108			portid = va_arg(ap, int);
4109		} else {
4110			nphdl = NIL_HANDLE;
4111			nlstate = reason = 0;
4112		}
4113		va_end(ap);
4114		fc = ISP_FC_PC(isp, bus);
4115
4116		if (evt == ISPASYNC_CHANGE_PDB) {
4117			msg = "Port Database Changed";
4118			isp_prt(isp, ISP_LOGINFO,
4119			    "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)",
4120			    bus, msg, nphdl, nlstate, reason);
4121		} else if (evt == ISPASYNC_CHANGE_SNS) {
4122			msg = "Name Server Database Changed";
4123			isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)",
4124			    bus, msg, portid);
4125		} else {
4126			msg = "Other Change Notify";
4127			isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
4128		}
4129		isp_loop_changed(isp, bus);
4130		break;
4131	}
4132#ifdef	ISP_TARGET_MODE
4133	case ISPASYNC_TARGET_NOTIFY:
4134	{
4135		isp_notify_t *notify;
4136		va_start(ap, cmd);
4137		notify = va_arg(ap, isp_notify_t *);
4138		va_end(ap);
4139		switch (notify->nt_ncode) {
4140		case NT_ABORT_TASK:
4141		case NT_ABORT_TASK_SET:
4142		case NT_CLEAR_ACA:
4143		case NT_CLEAR_TASK_SET:
4144		case NT_LUN_RESET:
4145		case NT_TARGET_RESET:
4146		case NT_QUERY_TASK_SET:
4147		case NT_QUERY_ASYNC_EVENT:
4148			/*
4149			 * These are task management functions.
4150			 */
4151			isp_handle_platform_target_tmf(isp, notify);
4152			break;
4153		case NT_BUS_RESET:
4154		case NT_LIP_RESET:
4155		case NT_LINK_UP:
4156		case NT_LINK_DOWN:
4157		case NT_HBA_RESET:
4158			/*
4159			 * No action need be taken here.
4160			 */
4161			break;
4162		case NT_GLOBAL_LOGOUT:
4163		case NT_LOGOUT:
4164			/*
4165			 * This is device arrival/departure notification
4166			 */
4167			isp_handle_platform_target_notify_ack(isp, notify, 0);
4168			break;
4169		default:
4170			isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode);
4171			isp_handle_platform_target_notify_ack(isp, notify, 0);
4172			break;
4173		}
4174		break;
4175	}
4176	case ISPASYNC_TARGET_NOTIFY_ACK:
4177	{
4178		void *inot;
4179		va_start(ap, cmd);
4180		inot = va_arg(ap, void *);
4181		va_end(ap);
4182		if (isp_notify_ack(isp, inot)) {
4183			isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT);
4184			if (tp) {
4185				tp->isp = isp;
4186				if (inot) {
4187					memcpy(tp->data, inot, sizeof (tp->data));
4188					tp->not = tp->data;
4189				} else {
4190					tp->not = NULL;
4191				}
4192				callout_init_mtx(&tp->timer, &isp->isp_lock, 0);
4193				callout_reset(&tp->timer, 5,
4194				    isp_refire_notify_ack, tp);
4195			} else {
4196				isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire");
4197			}
4198		}
4199		break;
4200	}
4201	case ISPASYNC_TARGET_ACTION:
4202	{
4203		isphdr_t *hp;
4204
4205		va_start(ap, cmd);
4206		hp = va_arg(ap, isphdr_t *);
4207		va_end(ap);
4208		switch (hp->rqs_entry_type) {
4209		default:
4210			isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type);
4211			break;
4212		case RQSTYPE_NOTIFY:
4213			if (IS_24XX(isp)) {
4214				isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp);
4215			} else {
4216				isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp);
4217			}
4218			break;
4219		case RQSTYPE_ATIO:
4220			isp_handle_platform_atio7(isp, (at7_entry_t *) hp);
4221			break;
4222		case RQSTYPE_ATIO2:
4223			isp_handle_platform_atio2(isp, (at2_entry_t *) hp);
4224			break;
4225		case RQSTYPE_CTIO7:
4226		case RQSTYPE_CTIO3:
4227		case RQSTYPE_CTIO2:
4228		case RQSTYPE_CTIO:
4229			isp_handle_platform_ctio(isp, hp);
4230			break;
4231		case RQSTYPE_ABTS_RCVD:
4232		{
4233			abts_t *abts = (abts_t *)hp;
4234			isp_notify_t notify, *nt = &notify;
4235			atio_private_data_t *atp;
4236			fcportdb_t *lp;
4237			uint16_t chan;
4238			uint32_t sid, did;
4239
4240			did = (abts->abts_did_hi << 16) | abts->abts_did_lo;
4241			sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo;
4242			ISP_MEMZERO(nt, sizeof (isp_notify_t));
4243
4244			nt->nt_hba = isp;
4245			nt->nt_did = did;
4246			nt->nt_nphdl = abts->abts_nphdl;
4247			nt->nt_sid = sid;
4248			isp_find_chan_by_did(isp, did, &chan);
4249			if (chan == ISP_NOCHAN) {
4250				nt->nt_tgt = TGT_ANY;
4251			} else {
4252				nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn;
4253				if (isp_find_pdb_by_handle(isp, chan, abts->abts_nphdl, &lp)) {
4254					nt->nt_wwn = lp->port_wwn;
4255				} else {
4256					nt->nt_wwn = INI_ANY;
4257				}
4258			}
4259			/*
4260			 * Try hard to find the lun for this command.
4261			 */
4262			atp = isp_find_atpd(isp, chan, abts->abts_rxid_task);
4263			nt->nt_lun = atp ? atp->lun : LUN_ANY;
4264			nt->nt_need_ack = 1;
4265			nt->nt_tagval = abts->abts_rxid_task;
4266			nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32);
4267			if (abts->abts_rxid_task == ISP24XX_NO_TASK) {
4268				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)",
4269				    abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id);
4270			} else {
4271				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)",
4272				    abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id);
4273			}
4274			nt->nt_channel = chan;
4275			nt->nt_ncode = NT_ABORT_TASK;
4276			nt->nt_lreserved = hp;
4277			isp_handle_platform_target_tmf(isp, nt);
4278			break;
4279		}
4280		}
4281		break;
4282	}
4283#endif
4284	case ISPASYNC_FW_CRASH:
4285	{
4286		uint16_t mbox1, mbox6;
4287		mbox1 = ISP_READ(isp, OUTMAILBOX1);
4288		if (IS_DUALBUS(isp)) {
4289			mbox6 = ISP_READ(isp, OUTMAILBOX6);
4290		} else {
4291			mbox6 = 0;
4292		}
4293		isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1);
4294		mbox1 = isp->isp_osinfo.mbox_sleep_ok;
4295		isp->isp_osinfo.mbox_sleep_ok = 0;
4296		isp_reinit(isp, 1);
4297		isp->isp_osinfo.mbox_sleep_ok = mbox1;
4298		isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
4299		break;
4300	}
4301	default:
4302		isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
4303		break;
4304	}
4305}
4306
4307
4308/*
4309 * Locks are held before coming here.
4310 */
4311void
4312isp_uninit(ispsoftc_t *isp)
4313{
4314	if (IS_24XX(isp)) {
4315		ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET);
4316	} else {
4317		ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
4318	}
4319	ISP_DISABLE_INTS(isp);
4320}
4321
4322uint64_t
4323isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn)
4324{
4325	uint64_t seed;
4326	struct isp_fc *fc = ISP_FC_PC(isp, chan);
4327
4328	/* First try to use explicitly configured WWNs. */
4329	seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
4330	if (seed)
4331		return (seed);
4332
4333	/* Otherwise try to use WWNs from NVRAM. */
4334	if (isactive) {
4335		seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram :
4336		    FCPARAM(isp, chan)->isp_wwpn_nvram;
4337		if (seed)
4338			return (seed);
4339	}
4340
4341	/* If still no WWNs, try to steal them from the first channel. */
4342	if (chan > 0) {
4343		seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn :
4344		    ISP_FC_PC(isp, 0)->def_wwpn;
4345		if (seed == 0) {
4346			seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram :
4347			    FCPARAM(isp, 0)->isp_wwpn_nvram;
4348		}
4349	}
4350
4351	/* If still nothing -- improvise. */
4352	if (seed == 0) {
4353		seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev);
4354		if (!iswwnn)
4355			seed ^= 0x0100000000000000ULL;
4356	}
4357
4358	/* For additional channels we have to improvise even more. */
4359	if (!iswwnn && chan > 0) {
4360		/*
4361		 * We'll stick our channel number plus one first into bits
4362		 * 57..59 and thence into bits 52..55 which allows for 8 bits
4363		 * of channel which is enough for our maximum of 255 channels.
4364		 */
4365		seed ^= 0x0100000000000000ULL;
4366		seed ^= ((uint64_t) (chan + 1) & 0xf) << 56;
4367		seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52;
4368	}
4369	return (seed);
4370}
4371
4372void
4373isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
4374{
4375	int loc;
4376	char lbuf[200];
4377	va_list ap;
4378
4379	if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
4380		return;
4381	}
4382	snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev));
4383	loc = strlen(lbuf);
4384	va_start(ap, fmt);
4385	vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap);
4386	va_end(ap);
4387	printf("%s\n", lbuf);
4388}
4389
4390void
4391isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...)
4392{
4393	va_list ap;
4394	if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
4395		return;
4396	}
4397	xpt_print_path(xs->ccb_h.path);
4398	va_start(ap, fmt);
4399	vprintf(fmt, ap);
4400	va_end(ap);
4401	printf("\n");
4402}
4403
4404uint64_t
4405isp_nanotime_sub(struct timespec *b, struct timespec *a)
4406{
4407	uint64_t elapsed;
4408	struct timespec x = *b;
4409	timespecsub(&x, a);
4410	elapsed = GET_NANOSEC(&x);
4411	if (elapsed == 0)
4412		elapsed++;
4413	return (elapsed);
4414}
4415
4416int
4417isp_mbox_acquire(ispsoftc_t *isp)
4418{
4419	if (isp->isp_osinfo.mboxbsy) {
4420		return (1);
4421	} else {
4422		isp->isp_osinfo.mboxcmd_done = 0;
4423		isp->isp_osinfo.mboxbsy = 1;
4424		return (0);
4425	}
4426}
4427
4428void
4429isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp)
4430{
4431	unsigned int usecs = mbp->timeout;
4432	unsigned int max, olim, ilim;
4433
4434	if (usecs == 0) {
4435		usecs = MBCMD_DEFAULT_TIMEOUT;
4436	}
4437	max = isp->isp_mbxwrk0 + 1;
4438
4439	if (isp->isp_osinfo.mbox_sleep_ok) {
4440		unsigned int ms = (usecs + 999) / 1000;
4441
4442		isp->isp_osinfo.mbox_sleep_ok = 0;
4443		isp->isp_osinfo.mbox_sleeping = 1;
4444		for (olim = 0; olim < max; olim++) {
4445			msleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, PRIBIO, "ispmbx_sleep", isp_mstohz(ms));
4446			if (isp->isp_osinfo.mboxcmd_done) {
4447				break;
4448			}
4449		}
4450		isp->isp_osinfo.mbox_sleep_ok = 1;
4451		isp->isp_osinfo.mbox_sleeping = 0;
4452	} else {
4453		for (olim = 0; olim < max; olim++) {
4454			for (ilim = 0; ilim < usecs; ilim += 100) {
4455				uint16_t isr, sema, info;
4456				if (isp->isp_osinfo.mboxcmd_done) {
4457					break;
4458				}
4459				if (ISP_READ_ISR(isp, &isr, &sema, &info)) {
4460					isp_intr(isp, isr, sema, info);
4461					if (isp->isp_osinfo.mboxcmd_done) {
4462						break;
4463					}
4464				}
4465				ISP_DELAY(100);
4466			}
4467			if (isp->isp_osinfo.mboxcmd_done) {
4468				break;
4469			}
4470		}
4471	}
4472	if (isp->isp_osinfo.mboxcmd_done == 0) {
4473		isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)",
4474		    isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno);
4475		mbp->param[0] = MBOX_TIMEOUT;
4476		isp->isp_osinfo.mboxcmd_done = 1;
4477	}
4478}
4479
4480void
4481isp_mbox_notify_done(ispsoftc_t *isp)
4482{
4483	if (isp->isp_osinfo.mbox_sleeping) {
4484		wakeup(&isp->isp_mbxworkp);
4485	}
4486	isp->isp_osinfo.mboxcmd_done = 1;
4487}
4488
4489void
4490isp_mbox_release(ispsoftc_t *isp)
4491{
4492	isp->isp_osinfo.mboxbsy = 0;
4493}
4494
4495int
4496isp_fc_scratch_acquire(ispsoftc_t *isp, int chan)
4497{
4498	int ret = 0;
4499	if (isp->isp_osinfo.pc.fc[chan].fcbsy) {
4500		ret = -1;
4501	} else {
4502		isp->isp_osinfo.pc.fc[chan].fcbsy = 1;
4503	}
4504	return (ret);
4505}
4506
4507int
4508isp_mstohz(int ms)
4509{
4510	int hz;
4511	struct timeval t;
4512	t.tv_sec = ms / 1000;
4513	t.tv_usec = (ms % 1000) * 1000;
4514	hz = tvtohz(&t);
4515	if (hz < 0) {
4516		hz = 0x7fffffff;
4517	}
4518	if (hz == 0) {
4519		hz = 1;
4520	}
4521	return (hz);
4522}
4523
4524void
4525isp_platform_intr(void *arg)
4526{
4527	ispsoftc_t *isp = arg;
4528	uint16_t isr, sema, info;
4529
4530	ISP_LOCK(isp);
4531	isp->isp_intcnt++;
4532	if (ISP_READ_ISR(isp, &isr, &sema, &info))
4533		isp_intr(isp, isr, sema, info);
4534	else
4535		isp->isp_intbogus++;
4536	ISP_UNLOCK(isp);
4537}
4538
4539void
4540isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl)
4541{
4542	if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
4543		bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD);
4544	} else {
4545		bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE);
4546	}
4547	bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
4548}
4549
4550/*
4551 * Reset the command reference number for all LUNs on a specific target
4552 * (needed when a target arrives again) or for all targets on a port
4553 * (needed for events like a LIP).
4554 */
4555void
4556isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set)
4557{
4558	struct isp_fc *fc = ISP_FC_PC(isp, chan);
4559	struct isp_nexus *nxp;
4560	int i;
4561
4562	if (tgt_set == 0)
4563		isp_prt(isp, ISP_LOGDEBUG0,
4564		    "Chan %d resetting CRN on all targets", chan);
4565	else
4566		isp_prt(isp, ISP_LOGDEBUG0,
4567		    "Chan %d resetting CRN on target %u", chan, tgt);
4568
4569	for (i = 0; i < NEXUS_HASH_WIDTH; i++) {
4570		for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) {
4571			if (tgt_set == 0 || tgt == nxp->tgt)
4572				nxp->crnseed = 0;
4573		}
4574	}
4575}
4576
4577int
4578isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd)
4579{
4580	lun_id_t lun;
4581	uint32_t chan, tgt;
4582	struct isp_fc *fc;
4583	struct isp_nexus *nxp;
4584	int idx;
4585
4586	if (IS_2100(isp))
4587		return (0);
4588
4589	chan = XS_CHANNEL(cmd);
4590	tgt = XS_TGT(cmd);
4591	lun = XS_LUN(cmd);
4592	fc = &isp->isp_osinfo.pc.fc[chan];
4593	idx = NEXUS_HASH(tgt, lun);
4594	nxp = fc->nexus_hash[idx];
4595
4596	while (nxp) {
4597		if (nxp->tgt == tgt && nxp->lun == lun)
4598			break;
4599		nxp = nxp->next;
4600	}
4601	if (nxp == NULL) {
4602		nxp = fc->nexus_free_list;
4603		if (nxp == NULL) {
4604			nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT);
4605			if (nxp == NULL) {
4606				return (-1);
4607			}
4608		} else {
4609			fc->nexus_free_list = nxp->next;
4610		}
4611		nxp->tgt = tgt;
4612		nxp->lun = lun;
4613		nxp->next = fc->nexus_hash[idx];
4614		fc->nexus_hash[idx] = nxp;
4615	}
4616	if (nxp->crnseed == 0)
4617		nxp->crnseed = 1;
4618	PISP_PCMD(cmd)->crn = nxp->crnseed;
4619	*crnp = nxp->crnseed++;
4620	return (0);
4621}
4622
4623/*
4624 * We enter with the lock held
4625 */
4626void
4627isp_timer(void *arg)
4628{
4629	ispsoftc_t *isp = arg;
4630#ifdef	ISP_TARGET_MODE
4631	isp_tmcmd_restart(isp);
4632#endif
4633	callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
4634}
4635
4636isp_ecmd_t *
4637isp_get_ecmd(ispsoftc_t *isp)
4638{
4639	isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free;
4640	if (ecmd) {
4641		isp->isp_osinfo.ecmd_free = ecmd->next;
4642	}
4643	return (ecmd);
4644}
4645
4646void
4647isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd)
4648{
4649	ecmd->next = isp->isp_osinfo.ecmd_free;
4650	isp->isp_osinfo.ecmd_free = ecmd;
4651}
4652