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("$FreeBSD$");
32#include <dev/isp/isp_freebsd.h>
33#include <sys/unistd.h>
34#include <sys/kthread.h>
35#include <sys/conf.h>
36#include <sys/module.h>
37#include <sys/ioccom.h>
38#include <dev/isp/isp_ioctl.h>
39#include <sys/devicestat.h>
40#include <cam/cam_periph.h>
41#include <cam/cam_xpt_periph.h>
42
43#if	__FreeBSD_version < 800002
44#define	THREAD_CREATE	kthread_create
45#else
46#define	THREAD_CREATE	kproc_create
47#endif
48
49MODULE_VERSION(isp, 1);
50MODULE_DEPEND(isp, cam, 1, 1, 1);
51int isp_announced = 0;
52int isp_fabric_hysteresis = 5;
53int isp_loop_down_limit = 60;	/* default loop down limit */
54int isp_change_is_bad = 0;	/* "changed" devices are bad */
55int isp_quickboot_time = 7;	/* don't wait more than N secs for loop up */
56int isp_gone_device_time = 30;	/* grace time before reporting device lost */
57int isp_autoconfig = 1;		/* automatically attach/detach devices */
58static const char prom3[] = "Chan %d PortID 0x%06x Departed from Target %u because of %s";
59
60static void isp_freeze_loopdown(ispsoftc_t *, int, char *);
61static d_ioctl_t ispioctl;
62static void isp_intr_enable(void *);
63static void isp_cam_async(void *, uint32_t, struct cam_path *, void *);
64static void isp_poll(struct cam_sim *);
65static timeout_t isp_watchdog;
66static timeout_t isp_gdt;
67static task_fn_t isp_gdt_task;
68static timeout_t isp_ldt;
69static task_fn_t isp_ldt_task;
70static void isp_kthread(void *);
71static void isp_action(struct cam_sim *, union ccb *);
72#ifdef	ISP_INTERNAL_TARGET
73static void isp_target_thread_pi(void *);
74static void isp_target_thread_fc(void *);
75#endif
76static int isp_timer_count;
77static void isp_timer(void *);
78
79static struct cdevsw isp_cdevsw = {
80	.d_version =	D_VERSION,
81	.d_ioctl =	ispioctl,
82	.d_name =	"isp",
83};
84
85static int
86isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
87{
88	struct ccb_setasync csa;
89	struct cam_sim *sim;
90	struct cam_path *path;
91
92	/*
93	 * Construct our SIM entry.
94	 */
95	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);
96
97	if (sim == NULL) {
98		return (ENOMEM);
99	}
100
101	ISP_LOCK(isp);
102	if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) {
103		ISP_UNLOCK(isp);
104		cam_sim_free(sim, FALSE);
105		return (EIO);
106	}
107	ISP_UNLOCK(isp);
108	if (xpt_create_path_unlocked(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
109		ISP_LOCK(isp);
110		xpt_bus_deregister(cam_sim_path(sim));
111		ISP_UNLOCK(isp);
112		cam_sim_free(sim, FALSE);
113		return (ENXIO);
114	}
115	xpt_setup_ccb(&csa.ccb_h, path, 5);
116	csa.ccb_h.func_code = XPT_SASYNC_CB;
117	csa.event_enable = AC_LOST_DEVICE;
118	csa.callback = isp_cam_async;
119	csa.callback_arg = sim;
120
121	ISP_LOCK(isp);
122	xpt_action((union ccb *)&csa);
123	ISP_UNLOCK(isp);
124
125	if (IS_SCSI(isp)) {
126		struct isp_spi *spi = ISP_SPI_PC(isp, chan);
127		spi->sim = sim;
128		spi->path = path;
129#ifdef	ISP_INTERNAL_TARGET
130		ISP_SET_PC(isp, chan, proc_active, 1);
131		if (THREAD_CREATE(isp_target_thread_pi, spi, &spi->target_proc, 0, 0, "%s: isp_test_tgt%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
132			ISP_SET_PC(isp, chan, proc_active, 0);
133			isp_prt(isp, ISP_LOGERR, "cannot create test target thread");
134		}
135#endif
136	} else {
137		fcparam *fcp = FCPARAM(isp, chan);
138		struct isp_fc *fc = ISP_FC_PC(isp, chan);
139
140		ISP_LOCK(isp);
141		fc->sim = sim;
142		fc->path = path;
143		fc->isp = isp;
144		fc->ready = 1;
145
146		callout_init_mtx(&fc->ldt, &isp->isp_osinfo.lock, 0);
147		callout_init_mtx(&fc->gdt, &isp->isp_osinfo.lock, 0);
148		TASK_INIT(&fc->ltask, 1, isp_ldt_task, fc);
149		TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc);
150
151		/*
152		 * We start by being "loop down" if we have an initiator role
153		 */
154		if (fcp->role & ISP_ROLE_INITIATOR) {
155			isp_freeze_loopdown(isp, chan, "isp_attach");
156			callout_reset(&fc->ldt, isp_quickboot_time * hz, isp_ldt, fc);
157			isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Initial Loop Down Timer @ %lu", (unsigned long) time_uptime);
158		}
159		ISP_UNLOCK(isp);
160		if (THREAD_CREATE(isp_kthread, fc, &fc->kproc, 0, 0, "%s: fc_thrd%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
161			xpt_free_path(fc->path);
162			ISP_LOCK(isp);
163			if (callout_active(&fc->ldt))
164				callout_stop(&fc->ldt);
165			xpt_bus_deregister(cam_sim_path(fc->sim));
166			ISP_UNLOCK(isp);
167			cam_sim_free(fc->sim, FALSE);
168			return (ENOMEM);
169		}
170#ifdef	ISP_INTERNAL_TARGET
171		ISP_SET_PC(isp, chan, proc_active, 1);
172		if (THREAD_CREATE(isp_target_thread_fc, fc, &fc->target_proc, 0, 0, "%s: isp_test_tgt%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
173			ISP_SET_PC(isp, chan, proc_active, 0);
174			isp_prt(isp, ISP_LOGERR, "cannot create test target thread");
175		}
176#endif
177		if (chan == 0) {
178			struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev);
179			struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev);
180			SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "wwnn", CTLFLAG_RD, &FCPARAM(isp, 0)->isp_wwnn, "World Wide Node Name");
181			SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "wwpn", CTLFLAG_RD, &FCPARAM(isp, 0)->isp_wwpn, "World Wide Port Name");
182			SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "loop_down_limit", CTLFLAG_RW, &ISP_FC_PC(isp, 0)->loop_down_limit, 0, "Loop Down Limit");
183			SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "gone_device_time", CTLFLAG_RW, &ISP_FC_PC(isp, 0)->gone_device_time, 0, "Gone Device Time");
184#if defined(ISP_TARGET_MODE) && defined(DEBUG)
185			SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "inject_lost_data_frame", CTLFLAG_RW, &ISP_FC_PC(isp, 0)->inject_lost_data_frame, 0, "Cause a Lost Frame on a Read");
186#endif
187		}
188	}
189	return (0);
190}
191
192int
193isp_attach(ispsoftc_t *isp)
194{
195	const char *nu = device_get_nameunit(isp->isp_osinfo.dev);
196	int du = device_get_unit(isp->isp_dev);
197	int chan;
198
199	isp->isp_osinfo.ehook.ich_func = isp_intr_enable;
200	isp->isp_osinfo.ehook.ich_arg = isp;
201	/*
202	 * Haha. Set this first, because if we're loaded as a module isp_intr_enable
203	 * will be called right awawy, which will clear isp_osinfo.ehook_active,
204	 * which would be unwise to then set again later.
205	 */
206	isp->isp_osinfo.ehook_active = 1;
207	if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) {
208		isp_prt(isp, ISP_LOGERR, "could not establish interrupt enable hook");
209		return (-EIO);
210	}
211
212	/*
213	 * Create the device queue for our SIM(s).
214	 */
215	isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds);
216	if (isp->isp_osinfo.devq == NULL) {
217		config_intrhook_disestablish(&isp->isp_osinfo.ehook);
218		return (EIO);
219	}
220
221	for (chan = 0; chan < isp->isp_nchan; chan++) {
222		if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) {
223			goto unwind;
224		}
225	}
226
227	callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_osinfo.lock, 0);
228	isp_timer_count = hz >> 2;
229	callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
230	isp->isp_osinfo.timer_active = 1;
231
232	isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu);
233	if (isp->isp_osinfo.cdev) {
234		isp->isp_osinfo.cdev->si_drv1 = isp;
235	}
236	return (0);
237
238unwind:
239	while (--chan >= 0) {
240		struct cam_sim *sim;
241		struct cam_path *path;
242		if (IS_FC(isp)) {
243			sim = ISP_FC_PC(isp, chan)->sim;
244			path = ISP_FC_PC(isp, chan)->path;
245		} else {
246			sim = ISP_SPI_PC(isp, chan)->sim;
247			path = ISP_SPI_PC(isp, chan)->path;
248		}
249		xpt_free_path(path);
250		ISP_LOCK(isp);
251		xpt_bus_deregister(cam_sim_path(sim));
252		ISP_UNLOCK(isp);
253		cam_sim_free(sim, FALSE);
254	}
255	if (isp->isp_osinfo.ehook_active) {
256		config_intrhook_disestablish(&isp->isp_osinfo.ehook);
257		isp->isp_osinfo.ehook_active = 0;
258	}
259	if (isp->isp_osinfo.cdev) {
260		destroy_dev(isp->isp_osinfo.cdev);
261		isp->isp_osinfo.cdev = NULL;
262	}
263	cam_simq_free(isp->isp_osinfo.devq);
264	isp->isp_osinfo.devq = NULL;
265	return (-1);
266}
267
268int
269isp_detach(ispsoftc_t *isp)
270{
271	struct cam_sim *sim;
272	struct cam_path *path;
273	struct ccb_setasync csa;
274	int chan;
275
276	ISP_LOCK(isp);
277	for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
278		if (IS_FC(isp)) {
279			sim = ISP_FC_PC(isp, chan)->sim;
280			path = ISP_FC_PC(isp, chan)->path;
281		} else {
282			sim = ISP_SPI_PC(isp, chan)->sim;
283			path = ISP_SPI_PC(isp, chan)->path;
284		}
285		if (sim->refcount > 2) {
286			ISP_UNLOCK(isp);
287			return (EBUSY);
288		}
289	}
290	if (isp->isp_osinfo.timer_active) {
291		callout_stop(&isp->isp_osinfo.tmo);
292		isp->isp_osinfo.timer_active = 0;
293	}
294	for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
295		if (IS_FC(isp)) {
296			sim = ISP_FC_PC(isp, chan)->sim;
297			path = ISP_FC_PC(isp, chan)->path;
298		} else {
299			sim = ISP_SPI_PC(isp, chan)->sim;
300			path = ISP_SPI_PC(isp, chan)->path;
301		}
302		xpt_setup_ccb(&csa.ccb_h, path, 5);
303		csa.ccb_h.func_code = XPT_SASYNC_CB;
304		csa.event_enable = 0;
305		csa.callback = isp_cam_async;
306		csa.callback_arg = sim;
307		ISP_LOCK(isp);
308		xpt_action((union ccb *)&csa);
309		ISP_UNLOCK(isp);
310		xpt_free_path(path);
311		xpt_bus_deregister(cam_sim_path(sim));
312		cam_sim_free(sim, FALSE);
313	}
314	ISP_UNLOCK(isp);
315	if (isp->isp_osinfo.cdev) {
316		destroy_dev(isp->isp_osinfo.cdev);
317		isp->isp_osinfo.cdev = NULL;
318	}
319	if (isp->isp_osinfo.ehook_active) {
320		config_intrhook_disestablish(&isp->isp_osinfo.ehook);
321		isp->isp_osinfo.ehook_active = 0;
322	}
323	if (isp->isp_osinfo.devq != NULL) {
324		cam_simq_free(isp->isp_osinfo.devq);
325		isp->isp_osinfo.devq = NULL;
326	}
327	return (0);
328}
329
330static void
331isp_freeze_loopdown(ispsoftc_t *isp, int chan, char *msg)
332{
333	if (IS_FC(isp)) {
334		struct isp_fc *fc = ISP_FC_PC(isp, chan);
335		if (fc->simqfrozen == 0) {
336			isp_prt(isp, ISP_LOGDEBUG0, "%s: freeze simq (loopdown) chan %d", msg, chan);
337			fc->simqfrozen = SIMQFRZ_LOOPDOWN;
338			xpt_freeze_simq(fc->sim, 1);
339		} else {
340			isp_prt(isp, ISP_LOGDEBUG0, "%s: mark frozen (loopdown) chan %d", msg, chan);
341			fc->simqfrozen |= SIMQFRZ_LOOPDOWN;
342		}
343	}
344}
345
346static void
347isp_unfreeze_loopdown(ispsoftc_t *isp, int chan)
348{
349	if (IS_FC(isp)) {
350		struct isp_fc *fc = ISP_FC_PC(isp, chan);
351		int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN;
352		fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN;
353		if (wasfrozen && fc->simqfrozen == 0) {
354			isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d releasing simq", __func__, chan);
355			xpt_release_simq(fc->sim, 1);
356		}
357	}
358}
359
360
361static int
362ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td)
363{
364	ispsoftc_t *isp;
365	int nr, chan, retval = ENOTTY;
366
367	isp = dev->si_drv1;
368
369	switch (c) {
370	case ISP_SDBLEV:
371	{
372		int olddblev = isp->isp_dblev;
373		isp->isp_dblev = *(int *)addr;
374		*(int *)addr = olddblev;
375		retval = 0;
376		break;
377	}
378	case ISP_GETROLE:
379		chan = *(int *)addr;
380		if (chan < 0 || chan >= isp->isp_nchan) {
381			retval = -ENXIO;
382			break;
383		}
384		if (IS_FC(isp)) {
385			*(int *)addr = FCPARAM(isp, chan)->role;
386		} else {
387			*(int *)addr = SDPARAM(isp, chan)->role;
388		}
389		retval = 0;
390		break;
391	case ISP_SETROLE:
392		nr = *(int *)addr;
393		chan = nr >> 8;
394		if (chan < 0 || chan >= isp->isp_nchan) {
395			retval = -ENXIO;
396			break;
397		}
398		nr &= 0xff;
399		if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
400			retval = EINVAL;
401			break;
402		}
403		if (IS_FC(isp)) {
404			/*
405			 * We don't really support dual role at present on FC cards.
406			 *
407			 * We should, but a bunch of things are currently broken,
408			 * so don't allow it.
409			 */
410			if (nr == ISP_ROLE_BOTH) {
411				isp_prt(isp, ISP_LOGERR, "cannot support dual role at present");
412				retval = EINVAL;
413				break;
414			}
415			*(int *)addr = FCPARAM(isp, chan)->role;
416#ifdef	ISP_INTERNAL_TARGET
417			ISP_LOCK(isp);
418			retval = isp_fc_change_role(isp, chan, nr);
419			ISP_UNLOCK(isp);
420#else
421			FCPARAM(isp, chan)->role = nr;
422#endif
423		} else {
424			*(int *)addr = SDPARAM(isp, chan)->role;
425			SDPARAM(isp, chan)->role = nr;
426		}
427		retval = 0;
428		break;
429
430	case ISP_RESETHBA:
431		ISP_LOCK(isp);
432#ifdef	ISP_TARGET_MODE
433		isp_del_all_wwn_entries(isp, ISP_NOCHAN);
434#endif
435		isp_reinit(isp, 0);
436		ISP_UNLOCK(isp);
437		retval = 0;
438		break;
439
440	case ISP_RESCAN:
441		if (IS_FC(isp)) {
442			chan = *(int *)addr;
443			if (chan < 0 || chan >= isp->isp_nchan) {
444				retval = -ENXIO;
445				break;
446			}
447			ISP_LOCK(isp);
448			if (isp_fc_runstate(isp, chan, 5 * 1000000)) {
449				retval = EIO;
450			} else {
451				retval = 0;
452			}
453			ISP_UNLOCK(isp);
454		}
455		break;
456
457	case ISP_FC_LIP:
458		if (IS_FC(isp)) {
459			chan = *(int *)addr;
460			if (chan < 0 || chan >= isp->isp_nchan) {
461				retval = -ENXIO;
462				break;
463			}
464			ISP_LOCK(isp);
465			if (isp_control(isp, ISPCTL_SEND_LIP, chan)) {
466				retval = EIO;
467			} else {
468				retval = 0;
469			}
470			ISP_UNLOCK(isp);
471		}
472		break;
473	case ISP_FC_GETDINFO:
474	{
475		struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
476		fcportdb_t *lp;
477
478		if (IS_SCSI(isp)) {
479			break;
480		}
481		if (ifc->loopid >= MAX_FC_TARG) {
482			retval = EINVAL;
483			break;
484		}
485		lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid];
486		if (lp->state == FC_PORTDB_STATE_VALID || lp->target_mode) {
487			ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
488			ifc->loopid = lp->handle;
489			ifc->portid = lp->portid;
490			ifc->node_wwn = lp->node_wwn;
491			ifc->port_wwn = lp->port_wwn;
492			retval = 0;
493		} else {
494			retval = ENODEV;
495		}
496		break;
497	}
498	case ISP_GET_STATS:
499	{
500		isp_stats_t *sp = (isp_stats_t *) addr;
501
502		ISP_MEMZERO(sp, sizeof (*sp));
503		sp->isp_stat_version = ISP_STATS_VERSION;
504		sp->isp_type = isp->isp_type;
505		sp->isp_revision = isp->isp_revision;
506		ISP_LOCK(isp);
507		sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt;
508		sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus;
509		sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc;
510		sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync;
511		sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt;
512		sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt;
513		sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater;
514		sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater;
515		ISP_UNLOCK(isp);
516		retval = 0;
517		break;
518	}
519	case ISP_CLR_STATS:
520		ISP_LOCK(isp);
521		isp->isp_intcnt = 0;
522		isp->isp_intbogus = 0;
523		isp->isp_intmboxc = 0;
524		isp->isp_intoasync = 0;
525		isp->isp_rsltccmplt = 0;
526		isp->isp_fphccmplt = 0;
527		isp->isp_rscchiwater = 0;
528		isp->isp_fpcchiwater = 0;
529		ISP_UNLOCK(isp);
530		retval = 0;
531		break;
532	case ISP_FC_GETHINFO:
533	{
534		struct isp_hba_device *hba = (struct isp_hba_device *) addr;
535		int chan = hba->fc_channel;
536
537		if (chan < 0 || chan >= isp->isp_nchan) {
538			retval = ENXIO;
539			break;
540		}
541		hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
542		hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
543		hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
544		hba->fc_nchannels = isp->isp_nchan;
545		if (IS_FC(isp)) {
546			hba->fc_nports = MAX_FC_TARG;
547			hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed;
548			hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1;
549			hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid;
550			hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram;
551			hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram;
552			hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn;
553			hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn;
554		} else {
555			hba->fc_nports = MAX_TARGETS;
556			hba->fc_speed = 0;
557			hba->fc_topology = 0;
558			hba->nvram_node_wwn = 0ull;
559			hba->nvram_port_wwn = 0ull;
560			hba->active_node_wwn = 0ull;
561			hba->active_port_wwn = 0ull;
562		}
563		retval = 0;
564		break;
565	}
566	case ISP_TSK_MGMT:
567	{
568		int needmarker;
569		struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
570		uint16_t loopid;
571		mbreg_t mbs;
572
573		if (IS_SCSI(isp)) {
574			break;
575		}
576
577		chan = fct->chan;
578		if (chan < 0 || chan >= isp->isp_nchan) {
579			retval = -ENXIO;
580			break;
581		}
582
583		needmarker = retval = 0;
584		loopid = fct->loopid;
585		ISP_LOCK(isp);
586		if (IS_24XX(isp)) {
587			uint8_t local[QENTRY_LEN];
588			isp24xx_tmf_t *tmf;
589			isp24xx_statusreq_t *sp;
590			fcparam *fcp = FCPARAM(isp, chan);
591			fcportdb_t *lp;
592			int i;
593
594			for (i = 0; i < MAX_FC_TARG; i++) {
595				lp = &fcp->portdb[i];
596				if (lp->handle == loopid) {
597					break;
598				}
599			}
600			if (i == MAX_FC_TARG) {
601				retval = ENXIO;
602				ISP_UNLOCK(isp);
603				break;
604			}
605			/* XXX VALIDATE LP XXX */
606			tmf = (isp24xx_tmf_t *) local;
607			ISP_MEMZERO(tmf, QENTRY_LEN);
608			tmf->tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT;
609			tmf->tmf_header.rqs_entry_count = 1;
610			tmf->tmf_nphdl = lp->handle;
611			tmf->tmf_delay = 2;
612			tmf->tmf_timeout = 2;
613			tmf->tmf_tidlo = lp->portid;
614			tmf->tmf_tidhi = lp->portid >> 16;
615			tmf->tmf_vpidx = ISP_GET_VPIDX(isp, chan);
616			tmf->tmf_lun[1] = fct->lun & 0xff;
617			if (fct->lun >= 256) {
618				tmf->tmf_lun[0] = 0x40 | (fct->lun >> 8);
619			}
620			switch (fct->action) {
621			case IPT_CLEAR_ACA:
622				tmf->tmf_flags = ISP24XX_TMF_CLEAR_ACA;
623				break;
624			case IPT_TARGET_RESET:
625				tmf->tmf_flags = ISP24XX_TMF_TARGET_RESET;
626				needmarker = 1;
627				break;
628			case IPT_LUN_RESET:
629				tmf->tmf_flags = ISP24XX_TMF_LUN_RESET;
630				needmarker = 1;
631				break;
632			case IPT_CLEAR_TASK_SET:
633				tmf->tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET;
634				needmarker = 1;
635				break;
636			case IPT_ABORT_TASK_SET:
637				tmf->tmf_flags = ISP24XX_TMF_ABORT_TASK_SET;
638				needmarker = 1;
639				break;
640			default:
641				retval = EINVAL;
642				break;
643			}
644			if (retval) {
645				ISP_UNLOCK(isp);
646				break;
647			}
648			MBSINIT(&mbs, MBOX_EXEC_COMMAND_IOCB_A64, MBLOGALL, 5000000);
649			mbs.param[1] = QENTRY_LEN;
650			mbs.param[2] = DMA_WD1(fcp->isp_scdma);
651			mbs.param[3] = DMA_WD0(fcp->isp_scdma);
652			mbs.param[6] = DMA_WD3(fcp->isp_scdma);
653			mbs.param[7] = DMA_WD2(fcp->isp_scdma);
654
655			if (FC_SCRATCH_ACQUIRE(isp, chan)) {
656				ISP_UNLOCK(isp);
657				retval = ENOMEM;
658				break;
659			}
660			isp_put_24xx_tmf(isp, tmf, fcp->isp_scratch);
661			MEMORYBARRIER(isp, SYNC_SFORDEV, 0, QENTRY_LEN, chan);
662			sp = (isp24xx_statusreq_t *) local;
663			sp->req_completion_status = 1;
664			retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
665			MEMORYBARRIER(isp, SYNC_SFORCPU, QENTRY_LEN, QENTRY_LEN, chan);
666			isp_get_24xx_response(isp, &((isp24xx_statusreq_t *)fcp->isp_scratch)[1], sp);
667			FC_SCRATCH_RELEASE(isp, chan);
668			if (retval || sp->req_completion_status != 0) {
669				FC_SCRATCH_RELEASE(isp, chan);
670				retval = EIO;
671			}
672			if (retval == 0) {
673				if (needmarker) {
674					fcp->sendmarker = 1;
675				}
676			}
677		} else {
678			MBSINIT(&mbs, 0, MBLOGALL, 0);
679			if (ISP_CAP_2KLOGIN(isp) == 0) {
680				loopid <<= 8;
681			}
682			switch (fct->action) {
683			case IPT_CLEAR_ACA:
684				mbs.param[0] = MBOX_CLEAR_ACA;
685				mbs.param[1] = loopid;
686				mbs.param[2] = fct->lun;
687				break;
688			case IPT_TARGET_RESET:
689				mbs.param[0] = MBOX_TARGET_RESET;
690				mbs.param[1] = loopid;
691				needmarker = 1;
692				break;
693			case IPT_LUN_RESET:
694				mbs.param[0] = MBOX_LUN_RESET;
695				mbs.param[1] = loopid;
696				mbs.param[2] = fct->lun;
697				needmarker = 1;
698				break;
699			case IPT_CLEAR_TASK_SET:
700				mbs.param[0] = MBOX_CLEAR_TASK_SET;
701				mbs.param[1] = loopid;
702				mbs.param[2] = fct->lun;
703				needmarker = 1;
704				break;
705			case IPT_ABORT_TASK_SET:
706				mbs.param[0] = MBOX_ABORT_TASK_SET;
707				mbs.param[1] = loopid;
708				mbs.param[2] = fct->lun;
709				needmarker = 1;
710				break;
711			default:
712				retval = EINVAL;
713				break;
714			}
715			if (retval == 0) {
716				if (needmarker) {
717					FCPARAM(isp, chan)->sendmarker = 1;
718				}
719				retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
720				if (retval) {
721					retval = EIO;
722				}
723			}
724		}
725		ISP_UNLOCK(isp);
726		break;
727	}
728	default:
729		break;
730	}
731	return (retval);
732}
733
734static void
735isp_intr_enable(void *arg)
736{
737	int chan;
738	ispsoftc_t *isp = arg;
739	ISP_LOCK(isp);
740	for (chan = 0; chan < isp->isp_nchan; chan++) {
741		if (IS_FC(isp)) {
742			if (FCPARAM(isp, chan)->role != ISP_ROLE_NONE) {
743				ISP_ENABLE_INTS(isp);
744				break;
745			}
746		} else {
747			if (SDPARAM(isp, chan)->role != ISP_ROLE_NONE) {
748				ISP_ENABLE_INTS(isp);
749				break;
750			}
751		}
752	}
753	isp->isp_osinfo.ehook_active = 0;
754	ISP_UNLOCK(isp);
755	/* Release our hook so that the boot can continue. */
756	config_intrhook_disestablish(&isp->isp_osinfo.ehook);
757}
758
759/*
760 * Local Inlines
761 */
762
763static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *);
764static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *);
765
766static ISP_INLINE int
767isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
768{
769	ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
770	if (ISP_PCMD(ccb) == NULL) {
771		return (-1);
772	}
773	isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
774	return (0);
775}
776
777static ISP_INLINE void
778isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
779{
780	if (ISP_PCMD(ccb)) {
781#ifdef	ISP_TARGET_MODE
782		PISP_PCMD(ccb)->datalen = 0;
783		PISP_PCMD(ccb)->totslen = 0;
784		PISP_PCMD(ccb)->cumslen = 0;
785		PISP_PCMD(ccb)->crn = 0;
786#endif
787		PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free;
788		isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
789		ISP_PCMD(ccb) = NULL;
790	}
791}
792
793/*
794 * Put the target mode functions here, because some are inlines
795 */
796#ifdef	ISP_TARGET_MODE
797static ISP_INLINE void isp_tmlock(ispsoftc_t *, const char *);
798static ISP_INLINE void isp_tmunlk(ispsoftc_t *);
799static ISP_INLINE int is_any_lun_enabled(ispsoftc_t *, int);
800static ISP_INLINE int is_lun_enabled(ispsoftc_t *, int, lun_id_t);
801static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
802static ISP_INLINE tstate_t *get_lun_statep_from_tag(ispsoftc_t *, int, uint32_t);
803static ISP_INLINE void rls_lun_statep(ispsoftc_t *, tstate_t *);
804static ISP_INLINE inot_private_data_t *get_ntp_from_tagdata(ispsoftc_t *, uint32_t, uint32_t, tstate_t **);
805static ISP_INLINE atio_private_data_t *isp_get_atpd(ispsoftc_t *, tstate_t *, uint32_t);
806static ISP_INLINE void isp_put_atpd(ispsoftc_t *, tstate_t *, atio_private_data_t *);
807static ISP_INLINE inot_private_data_t *isp_get_ntpd(ispsoftc_t *, tstate_t *);
808static ISP_INLINE inot_private_data_t *isp_find_ntpd(ispsoftc_t *, tstate_t *, uint32_t, uint32_t);
809static ISP_INLINE void isp_put_ntpd(ispsoftc_t *, tstate_t *, inot_private_data_t *);
810static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **);
811static void destroy_lun_state(ispsoftc_t *, tstate_t *);
812static void isp_enable_lun(ispsoftc_t *, union ccb *);
813static cam_status isp_enable_deferred_luns(ispsoftc_t *, int);
814static cam_status isp_enable_deferred(ispsoftc_t *, int, lun_id_t);
815static void isp_disable_lun(ispsoftc_t *, union ccb *);
816static int isp_enable_target_mode(ispsoftc_t *, int);
817static int isp_disable_target_mode(ispsoftc_t *, int);
818static void isp_ledone(ispsoftc_t *, lun_entry_t *);
819static timeout_t isp_refire_putback_atio;
820static timeout_t isp_refire_notify_ack;
821static void isp_complete_ctio(union ccb *);
822static void isp_target_putback_atio(union ccb *);
823enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE };
824static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How);
825static void isp_handle_platform_atio(ispsoftc_t *, at_entry_t *);
826static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
827static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *);
828static void isp_handle_platform_ctio(ispsoftc_t *, void *);
829static void isp_handle_platform_notify_scsi(ispsoftc_t *, in_entry_t *);
830static void isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *);
831static void isp_handle_platform_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *);
832static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *);
833static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *);
834static void isp_target_mark_aborted(ispsoftc_t *, union ccb *);
835static void isp_target_mark_aborted_early(ispsoftc_t *, tstate_t *, uint32_t);
836
837static ISP_INLINE void
838isp_tmlock(ispsoftc_t *isp, const char *msg)
839{
840	while (isp->isp_osinfo.tmbusy) {
841		isp->isp_osinfo.tmwanted = 1;
842		mtx_sleep(isp, &isp->isp_lock, PRIBIO, msg, 0);
843	}
844	isp->isp_osinfo.tmbusy = 1;
845}
846
847static ISP_INLINE void
848isp_tmunlk(ispsoftc_t *isp)
849{
850	isp->isp_osinfo.tmbusy = 0;
851	if (isp->isp_osinfo.tmwanted) {
852		isp->isp_osinfo.tmwanted = 0;
853		wakeup(isp);
854	}
855}
856
857static ISP_INLINE int
858is_any_lun_enabled(ispsoftc_t *isp, int bus)
859{
860	struct tslist *lhp;
861	int i;
862
863	for (i = 0; i < LUN_HASH_SIZE; i++) {
864		ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
865		if (SLIST_FIRST(lhp))
866			return (1);
867	}
868	return (0);
869}
870
871static ISP_INLINE int
872is_lun_enabled(ispsoftc_t *isp, int bus, lun_id_t lun)
873{
874	tstate_t *tptr;
875	struct tslist *lhp;
876
877	ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
878	SLIST_FOREACH(tptr, lhp, next) {
879		if (xpt_path_lun_id(tptr->owner) == lun) {
880			return (1);
881		}
882	}
883	return (0);
884}
885
886static void
887dump_tstates(ispsoftc_t *isp, int bus)
888{
889	int i, j;
890	struct tslist *lhp;
891	tstate_t *tptr = NULL;
892
893	if (bus >= isp->isp_nchan) {
894		return;
895	}
896	for (i = 0; i < LUN_HASH_SIZE; i++) {
897		ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
898		j = 0;
899		SLIST_FOREACH(tptr, lhp, next) {
900			xpt_print(tptr->owner, "[%d, %d] atio_cnt=%d inot_cnt=%d\n", i, j, tptr->atio_count, tptr->inot_count);
901			j++;
902		}
903	}
904}
905
906static ISP_INLINE tstate_t *
907get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
908{
909	tstate_t *tptr = NULL;
910	struct tslist *lhp;
911	int i;
912
913	if (bus < isp->isp_nchan) {
914		for (i = 0; i < LUN_HASH_SIZE; i++) {
915			ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
916			SLIST_FOREACH(tptr, lhp, next) {
917				if (xpt_path_lun_id(tptr->owner) == lun) {
918					tptr->hold++;
919					return (tptr);
920				}
921			}
922		}
923	}
924	return (NULL);
925}
926
927static ISP_INLINE tstate_t *
928get_lun_statep_from_tag(ispsoftc_t *isp, int bus, uint32_t tagval)
929{
930	tstate_t *tptr = NULL;
931	atio_private_data_t *atp;
932	struct tslist *lhp;
933	int i;
934
935	if (bus < isp->isp_nchan && tagval != 0) {
936		for (i = 0; i < LUN_HASH_SIZE; i++) {
937			ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
938			SLIST_FOREACH(tptr, lhp, next) {
939				atp = isp_get_atpd(isp, tptr, tagval);
940				if (atp && atp->tag == tagval) {
941					tptr->hold++;
942					return (tptr);
943				}
944			}
945		}
946	}
947	return (NULL);
948}
949
950static ISP_INLINE inot_private_data_t *
951get_ntp_from_tagdata(ispsoftc_t *isp, uint32_t tag_id, uint32_t seq_id, tstate_t **rslt)
952{
953	inot_private_data_t *ntp;
954	tstate_t *tptr;
955	struct tslist *lhp;
956	int bus, i;
957
958	for (bus = 0; bus < isp->isp_nchan; bus++) {
959		for (i = 0; i < LUN_HASH_SIZE; i++) {
960			ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
961			SLIST_FOREACH(tptr, lhp, next) {
962				ntp = isp_find_ntpd(isp, tptr, tag_id, seq_id);
963				if (ntp) {
964					*rslt = tptr;
965					tptr->hold++;
966					return (ntp);
967				}
968			}
969		}
970	}
971	return (NULL);
972}
973
974static ISP_INLINE void
975rls_lun_statep(ispsoftc_t *isp, tstate_t *tptr)
976{
977	KASSERT((tptr->hold), ("tptr not held"));
978	tptr->hold--;
979}
980
981static void
982isp_tmcmd_restart(ispsoftc_t *isp)
983{
984	inot_private_data_t *ntp;
985	inot_private_data_t *restart_queue;
986	tstate_t *tptr;
987	union ccb *ccb;
988	struct tslist *lhp;
989	int bus, i;
990
991	for (bus = 0; bus < isp->isp_nchan; bus++) {
992		for (i = 0; i < LUN_HASH_SIZE; i++) {
993			ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
994			SLIST_FOREACH(tptr, lhp, next) {
995				if ((restart_queue = tptr->restart_queue) != NULL)
996					tptr->restart_queue = NULL;
997				while (restart_queue) {
998					ntp = restart_queue;
999					restart_queue = ntp->rd.nt.nt_hba;
1000					if (IS_24XX(isp)) {
1001						isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid);
1002						isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data);
1003					} else {
1004						isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid);
1005						isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data);
1006					}
1007					isp_put_ntpd(isp, tptr, ntp);
1008					if (tptr->restart_queue && restart_queue != NULL) {
1009						ntp = tptr->restart_queue;
1010						tptr->restart_queue = restart_queue;
1011						while (restart_queue->rd.nt.nt_hba) {
1012							restart_queue = restart_queue->rd.nt.nt_hba;
1013						}
1014						restart_queue->rd.nt.nt_hba = ntp;
1015						break;
1016					}
1017				}
1018				/*
1019				 * We only need to do this once per tptr
1020				 */
1021				if (!TAILQ_EMPTY(&tptr->waitq)) {
1022					ccb = (union ccb *)TAILQ_LAST(&tptr->waitq, isp_ccbq);
1023					TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1024					isp_target_start_ctio(isp, ccb, FROM_TIMER);
1025				}
1026			}
1027		}
1028	}
1029}
1030
1031static ISP_INLINE atio_private_data_t *
1032isp_get_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag)
1033{
1034	atio_private_data_t *atp;
1035
1036	if (tag == 0) {
1037		atp = tptr->atfree;
1038		if (atp) {
1039			tptr->atfree = atp->next;
1040		}
1041		return (atp);
1042	}
1043	for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
1044		if (atp->tag == tag) {
1045			return (atp);
1046		}
1047	}
1048	return (NULL);
1049}
1050
1051static ISP_INLINE void
1052isp_put_atpd(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp)
1053{
1054	if (atp->ests) {
1055		isp_put_ecmd(isp, atp->ests);
1056	}
1057	memset(atp, 0, sizeof (*atp));
1058	atp->next = tptr->atfree;
1059	tptr->atfree = atp;
1060}
1061
1062static void
1063isp_dump_atpd(ispsoftc_t *isp, tstate_t *tptr)
1064{
1065	atio_private_data_t *atp;
1066	const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" };
1067
1068	for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
1069		if (atp->tag == 0) {
1070			continue;
1071		}
1072		xpt_print(tptr->owner, "ATP: [0x%x] origdlen %u bytes_xfrd %u lun %u nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s\n",
1073                    atp->tag, atp->orig_datalen, atp->bytes_xfered, atp->lun, atp->nphdl, atp->sid, atp->portid, atp->oxid, states[atp->state & 0x7]);
1074	}
1075}
1076
1077
1078static ISP_INLINE inot_private_data_t *
1079isp_get_ntpd(ispsoftc_t *isp, tstate_t *tptr)
1080{
1081	inot_private_data_t *ntp;
1082	ntp = tptr->ntfree;
1083	if (ntp) {
1084		tptr->ntfree = ntp->next;
1085	}
1086	return (ntp);
1087}
1088
1089static ISP_INLINE inot_private_data_t *
1090isp_find_ntpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id, uint32_t seq_id)
1091{
1092	inot_private_data_t *ntp;
1093	for (ntp = tptr->ntpool; ntp < &tptr->ntpool[ATPDPSIZE]; ntp++) {
1094		if (ntp->rd.tag_id == tag_id && ntp->rd.seq_id == seq_id) {
1095			return (ntp);
1096		}
1097	}
1098	return (NULL);
1099}
1100
1101static ISP_INLINE void
1102isp_put_ntpd(ispsoftc_t *isp, tstate_t *tptr, inot_private_data_t *ntp)
1103{
1104	ntp->rd.tag_id = ntp->rd.seq_id = 0;
1105	ntp->next = tptr->ntfree;
1106	tptr->ntfree = ntp;
1107}
1108
1109static cam_status
1110create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt)
1111{
1112	cam_status status;
1113	lun_id_t lun;
1114	struct tslist *lhp;
1115	tstate_t *tptr;
1116	int i;
1117
1118	lun = xpt_path_lun_id(path);
1119	if (lun != CAM_LUN_WILDCARD) {
1120		if (lun >= ISP_MAX_LUNS(isp)) {
1121			return (CAM_LUN_INVALID);
1122		}
1123	}
1124	if (is_lun_enabled(isp, bus, lun)) {
1125		return (CAM_LUN_ALRDY_ENA);
1126	}
1127	tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO);
1128	if (tptr == NULL) {
1129		return (CAM_RESRC_UNAVAIL);
1130	}
1131	status = xpt_create_path(&tptr->owner, NULL, xpt_path_path_id(path), xpt_path_target_id(path), lun);
1132	if (status != CAM_REQ_CMP) {
1133		free(tptr, M_DEVBUF);
1134		return (status);
1135	}
1136	SLIST_INIT(&tptr->atios);
1137	SLIST_INIT(&tptr->inots);
1138	TAILQ_INIT(&tptr->waitq);
1139	for (i = 0; i < ATPDPSIZE-1; i++) {
1140		tptr->atpool[i].next = &tptr->atpool[i+1];
1141		tptr->ntpool[i].next = &tptr->ntpool[i+1];
1142	}
1143	tptr->atfree = tptr->atpool;
1144	tptr->ntfree = tptr->ntpool;
1145	tptr->hold = 1;
1146	ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(xpt_path_lun_id(tptr->owner))], lhp);
1147	SLIST_INSERT_HEAD(lhp, tptr, next);
1148	*rslt = tptr;
1149	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n");
1150	return (CAM_REQ_CMP);
1151}
1152
1153static ISP_INLINE void
1154destroy_lun_state(ispsoftc_t *isp, tstate_t *tptr)
1155{
1156	union ccb *ccb;
1157	struct tslist *lhp;
1158
1159	KASSERT((tptr->hold != 0), ("tptr is not held"));
1160	KASSERT((tptr->hold == 1), ("tptr still held (%d)", tptr->hold));
1161	do {
1162		ccb = (union ccb *)SLIST_FIRST(&tptr->atios);
1163		if (ccb) {
1164			SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1165			ccb->ccb_h.status = CAM_REQ_ABORTED;
1166			xpt_done(ccb);
1167		}
1168	} while (ccb);
1169	do {
1170		ccb = (union ccb *)SLIST_FIRST(&tptr->inots);
1171		if (ccb) {
1172			SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
1173			ccb->ccb_h.status = CAM_REQ_ABORTED;
1174			xpt_done(ccb);
1175		}
1176	} while (ccb);
1177	ISP_GET_PC_ADDR(isp, cam_sim_bus(xpt_path_sim(tptr->owner)), lun_hash[LUN_HASH_FUNC(xpt_path_lun_id(tptr->owner))], lhp);
1178	SLIST_REMOVE(lhp, tptr, tstate, next);
1179	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "destroyed tstate\n");
1180	xpt_free_path(tptr->owner);
1181	free(tptr, M_DEVBUF);
1182}
1183
1184/*
1185 * Enable a lun.
1186 */
1187static void
1188isp_enable_lun(ispsoftc_t *isp, union ccb *ccb)
1189{
1190	tstate_t *tptr = NULL;
1191	int bus, tm_enabled, target_role;
1192	target_id_t target;
1193	lun_id_t lun;
1194
1195
1196	/*
1197	 * We only support either a wildcard target/lun or a target ID of zero and a non-wildcard lun
1198	 */
1199	bus = XS_CHANNEL(ccb);
1200	target = ccb->ccb_h.target_id;
1201	lun = ccb->ccb_h.target_lun;
1202	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, "enabling lun %u\n", lun);
1203	if (target != CAM_TARGET_WILDCARD && target != 0) {
1204		ccb->ccb_h.status = CAM_TID_INVALID;
1205		xpt_done(ccb);
1206		return;
1207	}
1208	if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) {
1209		ccb->ccb_h.status = CAM_LUN_INVALID;
1210		xpt_done(ccb);
1211		return;
1212	}
1213
1214	if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
1215		ccb->ccb_h.status = CAM_LUN_INVALID;
1216		xpt_done(ccb);
1217		return;
1218	}
1219	if (isp->isp_dblev & ISP_LOGTDEBUG0) {
1220		xpt_print(ccb->ccb_h.path, "enabling lun 0x%x on channel %d\n", lun, bus);
1221	}
1222
1223	/*
1224	 * Wait until we're not busy with the lun enables subsystem
1225	 */
1226	isp_tmlock(isp, "isp_enable_lun");
1227
1228	/*
1229	 * This is as a good a place as any to check f/w capabilities.
1230	 */
1231
1232	if (IS_FC(isp)) {
1233		if (ISP_CAP_TMODE(isp) == 0) {
1234			xpt_print(ccb->ccb_h.path, "firmware does not support target mode\n");
1235			ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1236			goto done;
1237		}
1238		/*
1239		 * We *could* handle non-SCCLUN f/w, but we'd have to
1240		 * dork with our already fragile enable/disable code.
1241		 */
1242		if (ISP_CAP_SCCFW(isp) == 0) {
1243			xpt_print(ccb->ccb_h.path, "firmware not SCCLUN capable\n");
1244			ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1245			goto done;
1246		}
1247
1248		target_role = (FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0;
1249
1250	} else {
1251		target_role = (SDPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0;
1252	}
1253
1254	/*
1255	 * Create the state pointer.
1256	 * It should not already exist.
1257	 */
1258	tptr = get_lun_statep(isp, bus, lun);
1259	if (tptr) {
1260		ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
1261		goto done;
1262	}
1263	ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
1264	if (ccb->ccb_h.status != CAM_REQ_CMP) {
1265		goto done;
1266	}
1267
1268	/*
1269	 * We have a tricky maneuver to perform here.
1270	 *
1271	 * If target mode isn't already enabled here,
1272	 * *and* our current role includes target mode,
1273	 * we enable target mode here.
1274	 *
1275	 */
1276	ISP_GET_PC(isp, bus, tm_enabled, tm_enabled);
1277	if (tm_enabled == 0 && target_role != 0) {
1278		if (isp_enable_target_mode(isp, bus)) {
1279			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1280			destroy_lun_state(isp, tptr);
1281			tptr = NULL;
1282			goto done;
1283		}
1284		tm_enabled = 1;
1285	}
1286
1287	/*
1288	 * Now check to see whether this bus is in target mode already.
1289	 *
1290	 * If not, a later role change into target mode will finish the job.
1291	 */
1292	if (tm_enabled == 0) {
1293		ISP_SET_PC(isp, bus, tm_enable_defer, 1);
1294		ccb->ccb_h.status = CAM_REQ_CMP;
1295		xpt_print(ccb->ccb_h.path, "Target Mode not enabled yet- lun enable deferred\n");
1296		goto done1;
1297	}
1298
1299	/*
1300	 * Enable the lun.
1301	 */
1302	ccb->ccb_h.status = isp_enable_deferred(isp, bus, lun);
1303
1304done:
1305	if (ccb->ccb_h.status != CAM_REQ_CMP)  {
1306		if (tptr) {
1307			destroy_lun_state(isp, tptr);
1308			tptr = NULL;
1309		}
1310	} else {
1311		tptr->enabled = 1;
1312	}
1313done1:
1314	if (tptr) {
1315		rls_lun_statep(isp, tptr);
1316	}
1317
1318	/*
1319	 * And we're outta here....
1320	 */
1321	isp_tmunlk(isp);
1322	xpt_done(ccb);
1323}
1324
1325static cam_status
1326isp_enable_deferred_luns(ispsoftc_t *isp, int bus)
1327{
1328	tstate_t *tptr = NULL;
1329	struct tslist *lhp;
1330	int i, n;
1331
1332
1333	ISP_GET_PC(isp, bus, tm_enabled, i);
1334	if (i == 1) {
1335		return (CAM_REQ_CMP);
1336	}
1337	ISP_GET_PC(isp, bus, tm_enable_defer, i);
1338	if (i == 0) {
1339		return (CAM_REQ_CMP);
1340	}
1341	/*
1342	 * If this succeeds, it will set tm_enable
1343	 */
1344	if (isp_enable_target_mode(isp, bus)) {
1345		return (CAM_REQ_CMP_ERR);
1346	}
1347	isp_tmlock(isp, "isp_enable_deferred_luns");
1348	for (n = i = 0; i < LUN_HASH_SIZE; i++) {
1349		ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
1350		SLIST_FOREACH(tptr, lhp, next) {
1351			tptr->hold++;
1352			if (tptr->enabled == 0) {
1353				if (isp_enable_deferred(isp, bus, xpt_path_lun_id(tptr->owner)) == CAM_REQ_CMP) {
1354					tptr->enabled = 1;
1355					n++;
1356				}
1357			} else {
1358				n++;
1359			}
1360			tptr->hold--;
1361		}
1362	}
1363	isp_tmunlk(isp);
1364	if (n == 0) {
1365		return (CAM_REQ_CMP_ERR);
1366	}
1367	ISP_SET_PC(isp, bus, tm_enable_defer, 0);
1368	return (CAM_REQ_CMP);
1369}
1370
1371static cam_status
1372isp_enable_deferred(ispsoftc_t *isp, int bus, lun_id_t lun)
1373{
1374	cam_status status;
1375	int luns_already_enabled;
1376
1377	ISP_GET_PC(isp, bus, tm_luns_enabled, luns_already_enabled);
1378	isp_prt(isp, ISP_LOGTINFO, "%s: bus %d lun %u luns_enabled %d", __func__, bus, lun, luns_already_enabled);
1379	if (IS_24XX(isp) || (IS_FC(isp) && luns_already_enabled)) {
1380		status = CAM_REQ_CMP;
1381	} else {
1382		int cmd_cnt, not_cnt;
1383
1384		if (IS_23XX(isp)) {
1385			cmd_cnt = DFLT_CMND_CNT;
1386			not_cnt = DFLT_INOT_CNT;
1387		} else {
1388			cmd_cnt = 64;
1389			not_cnt = 8;
1390		}
1391		status = CAM_REQ_INPROG;
1392		isp->isp_osinfo.rptr = &status;
1393		if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun == CAM_LUN_WILDCARD? 0 : lun, cmd_cnt, not_cnt)) {
1394			status = CAM_RESRC_UNAVAIL;
1395		} else {
1396			mtx_sleep(&status, &isp->isp_lock, PRIBIO, "isp_enable_deferred", 0);
1397		}
1398		isp->isp_osinfo.rptr = NULL;
1399	}
1400	if (status == CAM_REQ_CMP) {
1401		ISP_SET_PC(isp, bus, tm_luns_enabled, 1);
1402		isp_prt(isp, ISP_LOGCONFIG|ISP_LOGTINFO, "bus %d lun %u now enabled for target mode", bus, lun);
1403	}
1404	return (status);
1405}
1406
1407static void
1408isp_disable_lun(ispsoftc_t *isp, union ccb *ccb)
1409{
1410	tstate_t *tptr = NULL;
1411	int bus;
1412	cam_status status;
1413	target_id_t target;
1414	lun_id_t lun;
1415
1416	bus = XS_CHANNEL(ccb);
1417	target = ccb->ccb_h.target_id;
1418	lun = ccb->ccb_h.target_lun;
1419	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, "disabling lun %u\n", lun);
1420	if (target != CAM_TARGET_WILDCARD && target != 0) {
1421		ccb->ccb_h.status = CAM_TID_INVALID;
1422		xpt_done(ccb);
1423		return;
1424	}
1425
1426	if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) {
1427		ccb->ccb_h.status = CAM_LUN_INVALID;
1428		xpt_done(ccb);
1429		return;
1430	}
1431
1432	if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
1433		ccb->ccb_h.status = CAM_LUN_INVALID;
1434		xpt_done(ccb);
1435		return;
1436	}
1437
1438	/*
1439	 * See if we're busy disabling a lun now.
1440	 */
1441	isp_tmlock(isp, "isp_disable_lun");
1442	status = CAM_REQ_INPROG;
1443
1444	/*
1445	 * Find the state pointer.
1446	 */
1447	if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) {
1448		status = CAM_PATH_INVALID;
1449		goto done;
1450	}
1451
1452	/*
1453	 * If we're a 24XX card, we're done.
1454	 */
1455	if (IS_24XX(isp)) {
1456		status = CAM_REQ_CMP;
1457		goto done;
1458	}
1459
1460	/*
1461	 * For SCC FW, we only deal with lun zero.
1462	 */
1463	if (IS_FC(isp) && lun > 0) {
1464		status = CAM_REQ_CMP;
1465		goto done;
1466	}
1467	isp->isp_osinfo.rptr = &status;
1468	if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun, 0, 0)) {
1469		status = CAM_RESRC_UNAVAIL;
1470	} else {
1471		mtx_sleep(ccb, &isp->isp_lock, PRIBIO, "isp_disable_lun", 0);
1472	}
1473	isp->isp_osinfo.rptr = NULL;
1474done:
1475	if (status == CAM_REQ_CMP) {
1476		tptr->enabled = 0;
1477		/*
1478		 * If we have no more luns enabled for this bus,
1479		 * delete all tracked wwns for it (if we are FC),
1480		 * and disable target mode.
1481		 */
1482		if (is_any_lun_enabled(isp, bus) == 0) {
1483			isp_del_all_wwn_entries(isp, bus);
1484			if (isp_disable_target_mode(isp, bus)) {
1485				status = CAM_REQ_CMP_ERR;
1486			}
1487		}
1488	}
1489	ccb->ccb_h.status = status;
1490	if (status == CAM_REQ_CMP) {
1491		destroy_lun_state(isp, tptr);
1492		xpt_print(ccb->ccb_h.path, "lun now disabled for target mode\n");
1493	} else {
1494		if (tptr)
1495			rls_lun_statep(isp, tptr);
1496	}
1497	isp_tmunlk(isp);
1498	xpt_done(ccb);
1499}
1500
1501static int
1502isp_enable_target_mode(ispsoftc_t *isp, int bus)
1503{
1504	int tm_enabled;
1505
1506	ISP_GET_PC(isp, bus, tm_enabled, tm_enabled);
1507	if (tm_enabled != 0) {
1508		return (0);
1509	}
1510	if (IS_SCSI(isp)) {
1511		mbreg_t mbs;
1512		MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0);
1513		mbs.param[0] = MBOX_ENABLE_TARGET_MODE;
1514		mbs.param[1] = ENABLE_TARGET_FLAG|ENABLE_TQING_FLAG;
1515		mbs.param[2] = bus << 7;
1516		if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1517			isp_prt(isp, ISP_LOGERR, "Unable to enable Target Role on Bus %d", bus);
1518			return (EIO);
1519		}
1520	}
1521	ISP_SET_PC(isp, bus, tm_enabled, 1);
1522	isp_prt(isp, ISP_LOGINFO, "Target Role enabled on Bus %d", bus);
1523	return (0);
1524}
1525
1526static int
1527isp_disable_target_mode(ispsoftc_t *isp, int bus)
1528{
1529	int tm_enabled;
1530
1531	ISP_GET_PC(isp, bus, tm_enabled, tm_enabled);
1532	if (tm_enabled == 0) {
1533		return (0);
1534	}
1535	if (IS_SCSI(isp)) {
1536		mbreg_t mbs;
1537		MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0);
1538		mbs.param[2] = bus << 7;
1539		if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1540			isp_prt(isp, ISP_LOGERR, "Unable to disable Target Role on Bus %d", bus);
1541			return (EIO);
1542		}
1543	}
1544	ISP_SET_PC(isp, bus, tm_enabled, 0);
1545	isp_prt(isp, ISP_LOGINFO, "Target Role disabled on Bus %d", bus);
1546	return (0);
1547}
1548
1549static void
1550isp_ledone(ispsoftc_t *isp, lun_entry_t *lep)
1551{
1552	uint32_t *rptr;
1553
1554	rptr = isp->isp_osinfo.rptr;
1555	if (lep->le_status != LUN_OK) {
1556		isp_prt(isp, ISP_LOGERR, "ENABLE/MODIFY LUN returned 0x%x", lep->le_status);
1557		if (rptr) {
1558			*rptr = CAM_REQ_CMP_ERR;
1559			wakeup_one(rptr);
1560		}
1561	} else {
1562		if (rptr) {
1563			*rptr = CAM_REQ_CMP;
1564			wakeup_one(rptr);
1565		}
1566	}
1567}
1568
1569static void
1570isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how)
1571{
1572	int fctape, sendstatus, resid;
1573	tstate_t *tptr;
1574	fcparam *fcp;
1575	atio_private_data_t *atp;
1576	struct ccb_scsiio *cso;
1577	uint32_t dmaresult, handle, xfrlen, sense_length, tmp;
1578	uint8_t local[QENTRY_LEN];
1579
1580	tptr = get_lun_statep(isp, XS_CHANNEL(ccb), XS_LUN(ccb));
1581	if (tptr == NULL) {
1582		tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
1583		if (tptr == NULL) {
1584			isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find tstate pointer", __func__, ccb->csio.tag_id);
1585			ccb->ccb_h.status = CAM_DEV_NOT_THERE;
1586			xpt_done(ccb);
1587			return;
1588		}
1589	}
1590	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,
1591	    (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0));
1592
1593	switch (how) {
1594	case FROM_TIMER:
1595	case FROM_CAM:
1596		/*
1597		 * Insert at the tail of the list, if any, waiting CTIO CCBs
1598		 */
1599		TAILQ_INSERT_TAIL(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1600		break;
1601	case FROM_SRR:
1602	case FROM_CTIO_DONE:
1603		TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1604		break;
1605	}
1606
1607	while (TAILQ_FIRST(&tptr->waitq) != NULL) {
1608		ccb = (union ccb *) TAILQ_FIRST(&tptr->waitq);
1609		TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1610
1611		cso = &ccb->csio;
1612		xfrlen = cso->dxfer_len;
1613		if (xfrlen == 0) {
1614			if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
1615				ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n");
1616				ccb->ccb_h.status = CAM_REQ_INVALID;
1617				xpt_done(ccb);
1618				continue;
1619			}
1620		}
1621
1622		atp = isp_get_atpd(isp, tptr, cso->tag_id);
1623		if (atp == NULL) {
1624			isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__);
1625			isp_dump_atpd(isp, tptr);
1626			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1627			xpt_done(ccb);
1628			continue;
1629		}
1630
1631		/*
1632		 * Is this command a dead duck?
1633		 */
1634		if (atp->dead) {
1635			isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id);
1636			ccb->ccb_h.status = CAM_REQ_ABORTED;
1637			xpt_done(ccb);
1638			continue;
1639		}
1640
1641		/*
1642		 * Check to make sure we're still in target mode.
1643		 */
1644		fcp = FCPARAM(isp, XS_CHANNEL(ccb));
1645		if ((fcp->role & ISP_ROLE_TARGET) == 0) {
1646			isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id);
1647			ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1648			xpt_done(ccb);
1649			continue;
1650		}
1651
1652		/*
1653		 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which
1654		 * could be split into two CTIOs to split data and status).
1655		 */
1656		if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) {
1657			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);
1658			TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1659			break;
1660		}
1661
1662		/*
1663		 * Does the initiator expect FC-Tape style responses?
1664		 */
1665		if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) {
1666			fctape = 1;
1667		} else {
1668			fctape = 0;
1669		}
1670
1671		/*
1672		 * If we already did the data xfer portion of a CTIO that sends data
1673		 * and status, don't do it again and do the status portion now.
1674		 */
1675		if (atp->sendst) {
1676			isp_prt(isp, ISP_LOGTINFO, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u",
1677			    cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit);
1678			xfrlen = 0;	/* we already did the data transfer */
1679			atp->sendst = 0;
1680		}
1681		if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1682			sendstatus = 1;
1683		} else {
1684			sendstatus = 0;
1685		}
1686
1687		if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
1688			KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?"));
1689			/*
1690			 * Sense length is not the entire sense data structure size. Periph
1691			 * drivers don't seem to be setting sense_len to reflect the actual
1692			 * size. We'll peek inside to get the right amount.
1693			 */
1694			sense_length = cso->sense_len;
1695
1696			/*
1697			 * This 'cannot' happen
1698			 */
1699			if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) {
1700				sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE;
1701			}
1702		} else {
1703			sense_length = 0;
1704		}
1705
1706		memset(local, 0, QENTRY_LEN);
1707
1708		/*
1709		 * Check for overflow
1710		 */
1711		tmp = atp->bytes_xfered + atp->bytes_in_transit + xfrlen;
1712		if (tmp > atp->orig_datalen) {
1713			isp_prt(isp, ISP_LOGERR, "%s: [0x%x] data overflow by %u bytes", __func__, cso->tag_id, tmp - atp->orig_datalen);
1714			ccb->ccb_h.status = CAM_DATA_RUN_ERR;
1715			xpt_done(ccb);
1716			continue;
1717		}
1718
1719		if (IS_24XX(isp)) {
1720			ct7_entry_t *cto = (ct7_entry_t *) local;
1721
1722			cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
1723			cto->ct_header.rqs_entry_count = 1;
1724			cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1725			ATPD_SET_SEQNO(cto, atp);
1726			cto->ct_nphdl = atp->nphdl;
1727			cto->ct_rxid = atp->tag;
1728			cto->ct_iid_lo = atp->portid;
1729			cto->ct_iid_hi = atp->portid >> 16;
1730			cto->ct_oxid = atp->oxid;
1731			cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb));
1732			cto->ct_timeout = 120;
1733			cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT;
1734
1735			/*
1736			 * Mode 1, status, no data. Only possible when we are sending status, have
1737			 * no data to transfer, and any sense data can fit into a ct7_entry_t.
1738			 *
1739			 * Mode 2, status, no data. We have to use this in the case that
1740			 * the sense data won't fit into a ct7_entry_t.
1741			 *
1742			 */
1743			if (sendstatus && xfrlen == 0) {
1744				cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA;
1745				resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1746				if (sense_length <= MAXRESPLEN_24XX) {
1747					if (resid < 0) {
1748						cto->ct_resid = -resid;
1749					} else if (resid > 0) {
1750						cto->ct_resid = resid;
1751					}
1752					cto->ct_flags |= CT7_FLAG_MODE1;
1753					cto->ct_scsi_status = cso->scsi_status;
1754					if (resid < 0) {
1755						cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8);
1756					} else if (resid > 0) {
1757						cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
1758					}
1759					if (fctape) {
1760						cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1761					}
1762					if (sense_length) {
1763						cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
1764						cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length;
1765						memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1766					}
1767				} else {
1768					bus_addr_t addr;
1769					char buf[XCMD_SIZE];
1770					fcp_rsp_iu_t *rp;
1771
1772					if (atp->ests == NULL) {
1773						atp->ests = isp_get_ecmd(isp);
1774						if (atp->ests == NULL) {
1775							TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1776							break;
1777						}
1778					}
1779					memset(buf, 0, sizeof (buf));
1780					rp = (fcp_rsp_iu_t *)buf;
1781					if (fctape) {
1782						cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1783						rp->fcp_rsp_bits |= FCP_CONF_REQ;
1784					}
1785					cto->ct_flags |= CT7_FLAG_MODE2;
1786	        			rp->fcp_rsp_scsi_status = cso->scsi_status;
1787					if (resid < 0) {
1788						rp->fcp_rsp_resid = -resid;
1789						rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1790					} else if (resid > 0) {
1791						rp->fcp_rsp_resid = resid;
1792						rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1793					}
1794					if (sense_length) {
1795	        				rp->fcp_rsp_snslen = sense_length;
1796						cto->ct_senselen = sense_length;
1797						rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1798						isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1799						memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1800					} else {
1801						isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1802					}
1803					if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1804						isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1805					}
1806					addr = isp->isp_osinfo.ecmd_dma;
1807					addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1808					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,
1809					    (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1810					cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1811					cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr);
1812					cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr);
1813					cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1814				}
1815				if (sense_length) {
1816					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__,
1817					    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,
1818					    cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1819				} else {
1820					isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__,
1821					    cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid);
1822				}
1823				atp->state = ATPD_STATE_LAST_CTIO;
1824			}
1825
1826			/*
1827			 * Mode 0 data transfers, *possibly* with status.
1828			 */
1829			if (xfrlen != 0) {
1830				cto->ct_flags |= CT7_FLAG_MODE0;
1831				if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1832					cto->ct_flags |= CT7_DATA_IN;
1833				} else {
1834					cto->ct_flags |= CT7_DATA_OUT;
1835				}
1836
1837				cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit;
1838				cto->rsp.m0.ct_xfrlen = xfrlen;
1839
1840#ifdef	DEBUG
1841				if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) {
1842					isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2));
1843					ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0;
1844					cto->rsp.m0.ct_xfrlen -= xfrlen >> 2;
1845				}
1846#endif
1847				if (sendstatus) {
1848					resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1849					if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) {
1850						cto->ct_flags |= CT7_SENDSTATUS;
1851						atp->state = ATPD_STATE_LAST_CTIO;
1852						if (fctape) {
1853							cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1854						}
1855					} else {
1856						atp->sendst = 1;	/* send status later */
1857						cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1858						atp->state = ATPD_STATE_CTIO;
1859					}
1860				} else {
1861					atp->state = ATPD_STATE_CTIO;
1862				}
1863				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__,
1864				    cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered);
1865			}
1866		} else if (IS_FC(isp)) {
1867			ct2_entry_t *cto = (ct2_entry_t *) local;
1868
1869			if (isp->isp_osinfo.sixtyfourbit)
1870				cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3;
1871			else
1872				cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1873			cto->ct_header.rqs_entry_count = 1;
1874			cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1875			ATPD_SET_SEQNO(cto, atp);
1876			if (ISP_CAP_2KLOGIN(isp) == 0) {
1877				((ct2e_entry_t *)cto)->ct_iid = cso->init_id;
1878			} else {
1879				cto->ct_iid = cso->init_id;
1880				if (ISP_CAP_SCCFW(isp) == 0) {
1881					cto->ct_lun = ccb->ccb_h.target_lun;
1882				}
1883			}
1884			cto->ct_timeout = 10;
1885			cto->ct_rxid = cso->tag_id;
1886
1887			/*
1888			 * Mode 1, status, no data. Only possible when we are sending status, have
1889			 * no data to transfer, and the sense length can fit in the ct7_entry.
1890			 *
1891			 * Mode 2, status, no data. We have to use this in the case the response
1892			 * length won't fit into a ct2_entry_t.
1893			 *
1894			 * We'll fill out this structure with information as if this were a
1895			 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as
1896			 * needed based upon this.
1897			 */
1898			if (sendstatus && xfrlen == 0) {
1899				cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA;
1900				resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1901				if (sense_length <= MAXRESPLEN) {
1902					if (resid < 0) {
1903						cto->ct_resid = -resid;
1904					} else if (resid > 0) {
1905						cto->ct_resid = resid;
1906					}
1907					cto->ct_flags |= CT2_FLAG_MODE1;
1908					cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1909					if (resid < 0) {
1910						cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER;
1911					} else if (resid > 0) {
1912						cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER;
1913					}
1914					if (fctape) {
1915						cto->ct_flags |= CT2_CONFIRM;
1916					}
1917					if (sense_length) {
1918						cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1919						cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length;
1920						memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1921					}
1922				} else {
1923					bus_addr_t addr;
1924					char buf[XCMD_SIZE];
1925					fcp_rsp_iu_t *rp;
1926
1927					if (atp->ests == NULL) {
1928						atp->ests = isp_get_ecmd(isp);
1929						if (atp->ests == NULL) {
1930							TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1931							break;
1932						}
1933					}
1934					memset(buf, 0, sizeof (buf));
1935					rp = (fcp_rsp_iu_t *)buf;
1936					if (fctape) {
1937						cto->ct_flags |= CT2_CONFIRM;
1938						rp->fcp_rsp_bits |= FCP_CONF_REQ;
1939					}
1940					cto->ct_flags |= CT2_FLAG_MODE2;
1941	        			rp->fcp_rsp_scsi_status = cso->scsi_status;
1942					if (resid < 0) {
1943						rp->fcp_rsp_resid = -resid;
1944						rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1945					} else if (resid > 0) {
1946						rp->fcp_rsp_resid = resid;
1947						rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1948					}
1949					if (sense_length) {
1950	        				rp->fcp_rsp_snslen = sense_length;
1951						rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1952						isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1953						memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1954					} else {
1955						isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1956					}
1957					if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1958						isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1959					}
1960					addr = isp->isp_osinfo.ecmd_dma;
1961					addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1962					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,
1963					    (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1964					cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1965					if (isp->isp_osinfo.sixtyfourbit) {
1966						cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr);
1967						cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr);
1968						cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1969					} else {
1970						cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr);
1971						cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1972					}
1973				}
1974				if (sense_length) {
1975					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__,
1976					    cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid,
1977					    cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1978				} else {
1979					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,
1980					    ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid);
1981				}
1982				atp->state = ATPD_STATE_LAST_CTIO;
1983			}
1984
1985			if (xfrlen != 0) {
1986				cto->ct_flags |= CT2_FLAG_MODE0;
1987				if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1988					cto->ct_flags |= CT2_DATA_IN;
1989				} else {
1990					cto->ct_flags |= CT2_DATA_OUT;
1991				}
1992
1993				cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit;
1994				cto->rsp.m0.ct_xfrlen = xfrlen;
1995
1996				if (sendstatus) {
1997					resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1998					if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) {
1999						cto->ct_flags |= CT2_SENDSTATUS;
2000						atp->state = ATPD_STATE_LAST_CTIO;
2001						if (fctape) {
2002							cto->ct_flags |= CT2_CONFIRM;
2003						}
2004					} else {
2005						atp->sendst = 1;	/* send status later */
2006						cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
2007						atp->state = ATPD_STATE_CTIO;
2008					}
2009				} else {
2010					atp->state = ATPD_STATE_CTIO;
2011				}
2012			}
2013			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,
2014			    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);
2015		} else {
2016			ct_entry_t *cto = (ct_entry_t *) local;
2017
2018			cto->ct_header.rqs_entry_type = RQSTYPE_CTIO;
2019			cto->ct_header.rqs_entry_count = 1;
2020			cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
2021			ATPD_SET_SEQNO(cto, atp);
2022			cto->ct_iid = cso->init_id;
2023			cto->ct_iid |= XS_CHANNEL(ccb) << 7;
2024			cto->ct_tgt = ccb->ccb_h.target_id;
2025			cto->ct_lun = ccb->ccb_h.target_lun;
2026			cto->ct_fwhandle = cso->tag_id;
2027			if (atp->rxid) {
2028				cto->ct_tag_val = atp->rxid;
2029				cto->ct_flags |= CT_TQAE;
2030			}
2031			if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) {
2032				cto->ct_flags |= CT_NODISC;
2033			}
2034			if (cso->dxfer_len == 0) {
2035				cto->ct_flags |= CT_NO_DATA;
2036			} else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
2037				cto->ct_flags |= CT_DATA_IN;
2038			} else {
2039				cto->ct_flags |= CT_DATA_OUT;
2040			}
2041			if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
2042				cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR;
2043				cto->ct_scsi_status = cso->scsi_status;
2044				cto->ct_resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit - xfrlen;
2045				isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] seq %u nc %d scsi status %x resid %d tag_id %x", __func__,
2046				    cto->ct_fwhandle, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), cso->scsi_status, cso->resid, cso->tag_id);
2047			}
2048			ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
2049			cto->ct_timeout = 10;
2050		}
2051
2052		if (isp_get_pcmd(isp, ccb)) {
2053			ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n");
2054			TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
2055			break;
2056		}
2057		if (isp_allocate_xs_tgt(isp, ccb, &handle)) {
2058			ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__);
2059			TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
2060			isp_free_pcmd(isp, ccb);
2061			break;
2062		}
2063		atp->bytes_in_transit += xfrlen;
2064		PISP_PCMD(ccb)->datalen = xfrlen;
2065
2066
2067		/*
2068		 * Call the dma setup routines for this entry (and any subsequent
2069		 * CTIOs) if there's data to move, and then tell the f/w it's got
2070		 * new things to play with. As with isp_start's usage of DMA setup,
2071		 * any swizzling is done in the machine dependent layer. Because
2072		 * of this, we put the request onto the queue area first in native
2073		 * format.
2074		 */
2075
2076		if (IS_24XX(isp)) {
2077			ct7_entry_t *cto = (ct7_entry_t *) local;
2078			cto->ct_syshandle = handle;
2079		} else if (IS_FC(isp)) {
2080			ct2_entry_t *cto = (ct2_entry_t *) local;
2081			cto->ct_syshandle = handle;
2082		} else {
2083			ct_entry_t *cto = (ct_entry_t *) local;
2084			cto->ct_syshandle = handle;
2085		}
2086
2087		dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local);
2088		if (dmaresult != CMD_QUEUED) {
2089			isp_destroy_tgt_handle(isp, handle);
2090			isp_free_pcmd(isp, ccb);
2091			if (dmaresult == CMD_EAGAIN) {
2092				TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
2093				break;
2094			}
2095			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2096			xpt_done(ccb);
2097			continue;
2098		}
2099		isp->isp_nactive++;
2100		ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED;
2101		if (xfrlen) {
2102			ccb->ccb_h.spriv_field0 = atp->bytes_xfered;
2103		} else {
2104			ccb->ccb_h.spriv_field0 = ~0;
2105		}
2106		atp->ctcnt++;
2107		atp->seqno++;
2108	}
2109	rls_lun_statep(isp, tptr);
2110}
2111
2112static void
2113isp_refire_putback_atio(void *arg)
2114{
2115	union ccb *ccb = arg;
2116	ispsoftc_t *isp = XS_ISP(ccb);
2117	ISP_LOCK(isp);
2118	isp_target_putback_atio(ccb);
2119	ISP_UNLOCK(isp);
2120}
2121
2122static void
2123isp_refire_notify_ack(void *arg)
2124{
2125	isp_tna_t *tp  = arg;
2126	ispsoftc_t *isp = tp->isp;
2127	ISP_LOCK(isp);
2128	if (isp_notify_ack(isp, tp->not)) {
2129		(void) timeout(isp_refire_notify_ack, tp, 5);
2130	} else {
2131		free(tp, M_DEVBUF);
2132	}
2133	ISP_UNLOCK(isp);
2134}
2135
2136
2137static void
2138isp_target_putback_atio(union ccb *ccb)
2139{
2140	ispsoftc_t *isp;
2141	struct ccb_scsiio *cso;
2142	void *qe;
2143
2144	isp = XS_ISP(ccb);
2145
2146	qe = isp_getrqentry(isp);
2147	if (qe == NULL) {
2148		xpt_print(ccb->ccb_h.path,
2149		    "%s: Request Queue Overflow\n", __func__);
2150		(void) timeout(isp_refire_putback_atio, ccb, 10);
2151		return;
2152	}
2153	memset(qe, 0, QENTRY_LEN);
2154	cso = &ccb->csio;
2155	if (IS_FC(isp)) {
2156		at2_entry_t local, *at = &local;
2157		ISP_MEMZERO(at, sizeof (at2_entry_t));
2158		at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
2159		at->at_header.rqs_entry_count = 1;
2160		if (ISP_CAP_SCCFW(isp)) {
2161			at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
2162		} else {
2163			at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
2164		}
2165		at->at_status = CT_OK;
2166		at->at_rxid = cso->tag_id;
2167		at->at_iid = cso->ccb_h.target_id;
2168		isp_put_atio2(isp, at, qe);
2169	} else {
2170		at_entry_t local, *at = &local;
2171		ISP_MEMZERO(at, sizeof (at_entry_t));
2172		at->at_header.rqs_entry_type = RQSTYPE_ATIO;
2173		at->at_header.rqs_entry_count = 1;
2174		at->at_iid = cso->init_id;
2175		at->at_iid |= XS_CHANNEL(ccb) << 7;
2176		at->at_tgt = cso->ccb_h.target_id;
2177		at->at_lun = cso->ccb_h.target_lun;
2178		at->at_status = CT_OK;
2179		at->at_tag_val = AT_GET_TAG(cso->tag_id);
2180		at->at_handle = AT_GET_HANDLE(cso->tag_id);
2181		isp_put_atio(isp, at, qe);
2182	}
2183	ISP_TDQE(isp, "isp_target_putback_atio", isp->isp_reqidx, qe);
2184	ISP_SYNC_REQUEST(isp);
2185	isp_complete_ctio(ccb);
2186}
2187
2188static void
2189isp_complete_ctio(union ccb *ccb)
2190{
2191	if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
2192		ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2193		xpt_done(ccb);
2194	}
2195}
2196
2197/*
2198 * Handle ATIO stuff that the generic code can't.
2199 * This means handling CDBs.
2200 */
2201
2202static void
2203isp_handle_platform_atio(ispsoftc_t *isp, at_entry_t *aep)
2204{
2205	tstate_t *tptr;
2206	int status, bus;
2207	struct ccb_accept_tio *atiop;
2208	atio_private_data_t *atp;
2209
2210	/*
2211	 * The firmware status (except for the QLTM_SVALID bit)
2212	 * indicates why this ATIO was sent to us.
2213	 *
2214	 * If QLTM_SVALID is set, the firmware has recommended Sense Data.
2215	 *
2216	 * If the DISCONNECTS DISABLED bit is set in the flags field,
2217	 * we're still connected on the SCSI bus.
2218	 */
2219	status = aep->at_status;
2220	if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) {
2221		/*
2222		 * Bus Phase Sequence error. We should have sense data
2223		 * suggested by the f/w. I'm not sure quite yet what
2224		 * to do about this for CAM.
2225		 */
2226		isp_prt(isp, ISP_LOGWARN, "PHASE ERROR");
2227		isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2228		return;
2229	}
2230	if ((status & ~QLTM_SVALID) != AT_CDB) {
2231		isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform", status);
2232		isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2233		return;
2234	}
2235
2236	bus = GET_BUS_VAL(aep->at_iid);
2237	tptr = get_lun_statep(isp, bus, aep->at_lun);
2238	if (tptr == NULL) {
2239		tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
2240		if (tptr == NULL) {
2241			/*
2242			 * Because we can't autofeed sense data back with
2243			 * a command for parallel SCSI, we can't give back
2244			 * a CHECK CONDITION. We'll give back a BUSY status
2245			 * instead. This works out okay because the only
2246			 * time we should, in fact, get this, is in the
2247			 * case that somebody configured us without the
2248			 * blackhole driver, so they get what they deserve.
2249			 */
2250			isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2251			return;
2252		}
2253	}
2254
2255	atp = isp_get_atpd(isp, tptr, 0);
2256	atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2257	if (atiop == NULL || atp == NULL) {
2258		/*
2259		 * Because we can't autofeed sense data back with
2260		 * a command for parallel SCSI, we can't give back
2261		 * a CHECK CONDITION. We'll give back a QUEUE FULL status
2262		 * instead. This works out okay because the only time we
2263		 * should, in fact, get this, is in the case that we've
2264		 * run out of ATIOS.
2265		 */
2266		xpt_print(tptr->owner, "no %s for lun %d from initiator %d\n", (atp == NULL && atiop == NULL)? "ATIOs *or* ATPS" :
2267		    ((atp == NULL)? "ATPs" : "ATIOs"), aep->at_lun, aep->at_iid);
2268		isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2269		if (atp) {
2270			isp_put_atpd(isp, tptr, atp);
2271		}
2272		rls_lun_statep(isp, tptr);
2273		return;
2274	}
2275	atp->tag = aep->at_handle;
2276	atp->rxid = aep->at_tag_val;
2277	atp->state = ATPD_STATE_ATIO;
2278	SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2279	tptr->atio_count--;
2280	ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
2281	atiop->ccb_h.target_id = aep->at_tgt;
2282	atiop->ccb_h.target_lun = aep->at_lun;
2283	if (aep->at_flags & AT_NODISC) {
2284		atiop->ccb_h.flags = CAM_DIS_DISCONNECT;
2285	} else {
2286		atiop->ccb_h.flags = 0;
2287	}
2288
2289	if (status & QLTM_SVALID) {
2290		size_t amt = ISP_MIN(QLTM_SENSELEN, sizeof (atiop->sense_data));
2291		atiop->sense_len = amt;
2292		ISP_MEMCPY(&atiop->sense_data, aep->at_sense, amt);
2293	} else {
2294		atiop->sense_len = 0;
2295	}
2296
2297	atiop->init_id = GET_IID_VAL(aep->at_iid);
2298	atiop->cdb_len = aep->at_cdblen;
2299	ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen);
2300	atiop->ccb_h.status = CAM_CDB_RECVD;
2301	/*
2302	 * Construct a tag 'id' based upon tag value (which may be 0..255)
2303	 * and the handle (which we have to preserve).
2304	 */
2305	atiop->tag_id = atp->tag;
2306	if (aep->at_flags & AT_TQAE) {
2307		atiop->tag_action = aep->at_tag_type;
2308		atiop->ccb_h.status |= CAM_TAG_ACTION_VALID;
2309	}
2310	atp->orig_datalen = 0;
2311	atp->bytes_xfered = 0;
2312	atp->lun = aep->at_lun;
2313	atp->nphdl = aep->at_iid;
2314	atp->portid = PORT_NONE;
2315	atp->oxid = 0;
2316	atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
2317	atp->tattr = aep->at_tag_type;
2318	atp->state = ATPD_STATE_CAM;
2319	isp_prt(isp, ISP_LOGTDEBUG0, "ATIO[0x%x] CDB=0x%x lun %d", aep->at_tag_val, atp->cdb0, atp->lun);
2320	rls_lun_statep(isp, tptr);
2321}
2322
2323static void
2324isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep)
2325{
2326	lun_id_t lun;
2327	fcportdb_t *lp;
2328	tstate_t *tptr;
2329	struct ccb_accept_tio *atiop;
2330	uint16_t nphdl;
2331	atio_private_data_t *atp;
2332	inot_private_data_t *ntp;
2333
2334	/*
2335	 * The firmware status (except for the QLTM_SVALID bit)
2336	 * indicates why this ATIO was sent to us.
2337	 *
2338	 * If QLTM_SVALID is set, the firmware has recommended Sense Data.
2339	 */
2340	if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
2341		isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status);
2342		isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2343		return;
2344	}
2345
2346	if (ISP_CAP_SCCFW(isp)) {
2347		lun = aep->at_scclun;
2348	} else {
2349		lun = aep->at_lun;
2350	}
2351	if (ISP_CAP_2KLOGIN(isp)) {
2352		nphdl = ((at2e_entry_t *)aep)->at_iid;
2353	} else {
2354		nphdl = aep->at_iid;
2355	}
2356	tptr = get_lun_statep(isp, 0, lun);
2357	if (tptr == NULL) {
2358		tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
2359		if (tptr == NULL) {
2360			isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %d or wildcard", __func__, aep->at_rxid, lun);
2361			if (lun == 0) {
2362				isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2363			} else {
2364				isp_endcmd(isp, aep, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
2365			}
2366			return;
2367		}
2368	}
2369
2370	/*
2371	 * Start any commands pending resources first.
2372	 */
2373	if (tptr->restart_queue) {
2374		inot_private_data_t *restart_queue = tptr->restart_queue;
2375		tptr->restart_queue = NULL;
2376		while (restart_queue) {
2377			ntp = restart_queue;
2378			restart_queue = ntp->rd.nt.nt_hba;
2379			isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid);
2380			isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data);
2381			isp_put_ntpd(isp, tptr, ntp);
2382			/*
2383			 * If a recursion caused the restart queue to start to fill again,
2384			 * stop and splice the new list on top of the old list and restore
2385			 * it and go to noresrc.
2386			 */
2387			if (tptr->restart_queue) {
2388				ntp = tptr->restart_queue;
2389				tptr->restart_queue = restart_queue;
2390				while (restart_queue->rd.nt.nt_hba) {
2391					restart_queue = restart_queue->rd.nt.nt_hba;
2392				}
2393				restart_queue->rd.nt.nt_hba = ntp;
2394				goto noresrc;
2395			}
2396		}
2397	}
2398
2399	atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2400	if (atiop == NULL) {
2401		goto noresrc;
2402	}
2403
2404	atp = isp_get_atpd(isp, tptr, 0);
2405	if (atp == NULL) {
2406		goto noresrc;
2407	}
2408
2409	atp->tag = aep->at_rxid;
2410	atp->state = ATPD_STATE_ATIO;
2411	SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2412	tptr->atio_count--;
2413	isp_prt(isp, ISP_LOGTDEBUG2, "Take FREE ATIO count now %d", tptr->atio_count);
2414	atiop->ccb_h.target_id = FCPARAM(isp, 0)->isp_loopid;
2415	atiop->ccb_h.target_lun = lun;
2416
2417	/*
2418	 * We don't get 'suggested' sense data as we do with SCSI cards.
2419	 */
2420	atiop->sense_len = 0;
2421	if (ISP_CAP_2KLOGIN(isp)) {
2422		/*
2423		 * NB: We could not possibly have 2K logins if we
2424		 * NB: also did not have SCC FW.
2425		 */
2426		atiop->init_id = ((at2e_entry_t *)aep)->at_iid;
2427	} else {
2428		atiop->init_id = aep->at_iid;
2429	}
2430
2431	/*
2432	 * If we're not in the port database, add ourselves.
2433	 */
2434	if (!IS_2100(isp) && isp_find_pdb_by_loopid(isp, 0, atiop->init_id, &lp) == 0) {
2435    		uint64_t iid =
2436			(((uint64_t) aep->at_wwpn[0]) << 48) |
2437			(((uint64_t) aep->at_wwpn[1]) << 32) |
2438			(((uint64_t) aep->at_wwpn[2]) << 16) |
2439			(((uint64_t) aep->at_wwpn[3]) <<  0);
2440		/*
2441		 * However, make sure we delete ourselves if otherwise
2442		 * we were there but at a different loop id.
2443		 */
2444		if (isp_find_pdb_by_wwn(isp, 0, iid, &lp)) {
2445			isp_del_wwn_entry(isp, 0, iid, lp->handle, lp->portid);
2446		}
2447		isp_add_wwn_entry(isp, 0, iid, atiop->init_id, PORT_ANY, 0);
2448	}
2449	atiop->cdb_len = ATIO2_CDBLEN;
2450	ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
2451	atiop->ccb_h.status = CAM_CDB_RECVD;
2452	atiop->tag_id = atp->tag;
2453	switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
2454	case ATIO2_TC_ATTR_SIMPLEQ:
2455		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2456		atiop->tag_action = MSG_SIMPLE_Q_TAG;
2457		break;
2458	case ATIO2_TC_ATTR_HEADOFQ:
2459		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2460		atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2461		break;
2462	case ATIO2_TC_ATTR_ORDERED:
2463		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2464		atiop->tag_action = MSG_ORDERED_Q_TAG;
2465		break;
2466	case ATIO2_TC_ATTR_ACAQ:		/* ?? */
2467	case ATIO2_TC_ATTR_UNTAGGED:
2468	default:
2469		atiop->tag_action = 0;
2470		break;
2471	}
2472
2473	atp->orig_datalen = aep->at_datalen;
2474	atp->bytes_xfered = 0;
2475	atp->lun = lun;
2476	atp->nphdl = atiop->init_id;
2477	atp->sid = PORT_ANY;
2478	atp->oxid = aep->at_oxid;
2479	atp->cdb0 = aep->at_cdb[0];
2480	atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK;
2481	atp->state = ATPD_STATE_CAM;
2482	xpt_done((union ccb *)atiop);
2483	isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %d datalen %u", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen);
2484	rls_lun_statep(isp, tptr);
2485	return;
2486noresrc:
2487	ntp = isp_get_ntpd(isp, tptr);
2488	if (ntp == NULL) {
2489		rls_lun_statep(isp, tptr);
2490		isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
2491		return;
2492	}
2493	memcpy(ntp->rd.data, aep, QENTRY_LEN);
2494	ntp->rd.nt.nt_hba = tptr->restart_queue;
2495	tptr->restart_queue = ntp;
2496	rls_lun_statep(isp, tptr);
2497}
2498
2499static void
2500isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep)
2501{
2502	int cdbxlen;
2503	uint16_t lun, chan, nphdl = NIL_HANDLE;
2504	uint32_t did, sid;
2505	uint64_t wwn = INI_NONE;
2506	fcportdb_t *lp;
2507	tstate_t *tptr;
2508	struct ccb_accept_tio *atiop;
2509	atio_private_data_t *atp = NULL;
2510	atio_private_data_t *oatp;
2511	inot_private_data_t *ntp;
2512
2513	did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
2514	sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2515	lun = (aep->at_cmnd.fcp_cmnd_lun[0] << 8) | aep->at_cmnd.fcp_cmnd_lun[1];
2516
2517	/*
2518	 * Find the N-port handle, and Virtual Port Index for this command.
2519	 *
2520	 * If we can't, we're somewhat in trouble because we can't actually respond w/o that information.
2521	 * We also, as a matter of course, need to know the WWN of the initiator too.
2522	 */
2523	if (ISP_CAP_MULTI_ID(isp)) {
2524		/*
2525		 * Find the right channel based upon D_ID
2526		 */
2527		isp_find_chan_by_did(isp, did, &chan);
2528
2529		if (chan == ISP_NOCHAN) {
2530			NANOTIME_T now;
2531
2532			/*
2533			 * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup
2534			 * It's a bit tricky here as we need to stash this command *somewhere*.
2535			 */
2536			GET_NANOTIME(&now);
2537			if (NANOTIME_SUB(&isp->isp_init_time, &now) > 2000000000ULL) {
2538				isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did);
2539				isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
2540				return;
2541			}
2542			tptr = get_lun_statep(isp, 0, 0);
2543			if (tptr == NULL) {
2544				tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
2545				if (tptr == NULL) {
2546					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);
2547					isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
2548					return;
2549				}
2550			}
2551			isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did);
2552			goto noresrc;
2553		}
2554		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);
2555	} else {
2556		chan = 0;
2557	}
2558
2559	/*
2560	 * Find the PDB entry for this initiator
2561	 */
2562	if (isp_find_pdb_by_sid(isp, chan, sid, &lp) == 0) {
2563		/*
2564		 * If we're not in the port database terminate the exchange.
2565		 */
2566		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",
2567		    __func__, aep->at_rxid, did, chan, sid);
2568		isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0);
2569		return;
2570	}
2571	nphdl = lp->handle;
2572	wwn = lp->port_wwn;
2573
2574	/*
2575	 * Get the tstate pointer
2576	 */
2577	tptr = get_lun_statep(isp, chan, lun);
2578	if (tptr == NULL) {
2579		tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD);
2580		if (tptr == NULL) {
2581			isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %d or wildcard", __func__, aep->at_rxid, lun);
2582			if (lun == 0) {
2583				isp_endcmd(isp, aep, nphdl, SCSI_STATUS_BUSY, 0);
2584			} else {
2585				isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
2586			}
2587			return;
2588		}
2589	}
2590
2591	/*
2592	 * Start any commands pending resources first.
2593	 */
2594	if (tptr->restart_queue) {
2595		inot_private_data_t *restart_queue = tptr->restart_queue;
2596		tptr->restart_queue = NULL;
2597		while (restart_queue) {
2598			ntp = restart_queue;
2599			restart_queue = ntp->rd.nt.nt_hba;
2600			isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid);
2601			isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data);
2602			isp_put_ntpd(isp, tptr, ntp);
2603			/*
2604			 * If a recursion caused the restart queue to start to fill again,
2605			 * stop and splice the new list on top of the old list and restore
2606			 * it and go to noresrc.
2607			 */
2608			if (tptr->restart_queue) {
2609				isp_prt(isp, ISP_LOGTDEBUG0, "%s: restart queue refilling", __func__);
2610				if (restart_queue) {
2611					ntp = tptr->restart_queue;
2612					tptr->restart_queue = restart_queue;
2613					while (restart_queue->rd.nt.nt_hba) {
2614						restart_queue = restart_queue->rd.nt.nt_hba;
2615					}
2616					restart_queue->rd.nt.nt_hba = ntp;
2617				}
2618				goto noresrc;
2619			}
2620		}
2621	}
2622
2623	/*
2624	 * If the f/w is out of resources, just send a BUSY status back.
2625	 */
2626	if (aep->at_rxid == AT7_NORESRC_RXID) {
2627		rls_lun_statep(isp, tptr);
2628		isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
2629		return;
2630	}
2631
2632	/*
2633	 * If we're out of resources, just send a BUSY status back.
2634	 */
2635	atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2636	if (atiop == NULL) {
2637		isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid);
2638		goto noresrc;
2639	}
2640
2641	atp = isp_get_atpd(isp, tptr, 0);
2642	if (atp == NULL) {
2643		isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid);
2644		goto noresrc;
2645	}
2646	oatp = isp_get_atpd(isp, tptr, aep->at_rxid);
2647	if (oatp) {
2648		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",
2649		    aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state);
2650		/*
2651		 * It's not a "no resource" condition- but we can treat it like one
2652		 */
2653		goto noresrc;
2654	}
2655	atp->word3 = lp->prli_word3;
2656	atp->tag = aep->at_rxid;
2657	atp->state = ATPD_STATE_ATIO;
2658	SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2659	tptr->atio_count--;
2660	ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
2661	atiop->init_id = nphdl;
2662	atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid;
2663	atiop->ccb_h.target_lun = lun;
2664	atiop->sense_len = 0;
2665	cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT;
2666	if (cdbxlen) {
2667		isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored");
2668	}
2669	cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb);
2670	ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen);
2671	atiop->cdb_len = cdbxlen;
2672	atiop->ccb_h.status = CAM_CDB_RECVD;
2673	atiop->tag_id = atp->tag;
2674	switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) {
2675	case FCP_CMND_TASK_ATTR_SIMPLE:
2676		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2677		atiop->tag_action = MSG_SIMPLE_Q_TAG;
2678		break;
2679	case FCP_CMND_TASK_ATTR_HEAD:
2680		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2681		atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2682		break;
2683	case FCP_CMND_TASK_ATTR_ORDERED:
2684		atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2685		atiop->tag_action = MSG_ORDERED_Q_TAG;
2686		break;
2687	default:
2688		/* FALLTHROUGH */
2689	case FCP_CMND_TASK_ATTR_ACA:
2690	case FCP_CMND_TASK_ATTR_UNTAGGED:
2691		atiop->tag_action = 0;
2692		break;
2693	}
2694	atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
2695	atp->bytes_xfered = 0;
2696	atp->lun = lun;
2697	atp->nphdl = nphdl;
2698	atp->portid = sid;
2699	atp->oxid = aep->at_hdr.ox_id;
2700	atp->rxid = aep->at_hdr.rx_id;
2701	atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
2702	atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK;
2703	atp->state = ATPD_STATE_CAM;
2704	isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %d datalen %u", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen);
2705	xpt_done((union ccb *)atiop);
2706	rls_lun_statep(isp, tptr);
2707	return;
2708noresrc:
2709	if (atp) {
2710		isp_put_atpd(isp, tptr, atp);
2711	}
2712	ntp = isp_get_ntpd(isp, tptr);
2713	if (ntp == NULL) {
2714		rls_lun_statep(isp, tptr);
2715		isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
2716		return;
2717	}
2718	memcpy(ntp->rd.data, aep, QENTRY_LEN);
2719	ntp->rd.nt.nt_hba = tptr->restart_queue;
2720	tptr->restart_queue = ntp;
2721	rls_lun_statep(isp, tptr);
2722}
2723
2724
2725/*
2726 * Handle starting an SRR (sequence retransmit request)
2727 * We get here when we've gotten the immediate notify
2728 * and the return of all outstanding CTIOs for this
2729 * transaction.
2730 */
2731static void
2732isp_handle_srr_start(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp)
2733{
2734	in_fcentry_24xx_t *inot;
2735	uint32_t srr_off, ccb_off, ccb_len, ccb_end;
2736	union ccb *ccb;
2737
2738	inot = (in_fcentry_24xx_t *)atp->srr;
2739	srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16);
2740	ccb = atp->srr_ccb;
2741	atp->srr_ccb = NULL;
2742	atp->nsrr++;
2743	if (ccb == NULL) {
2744		isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag);
2745		goto fail;
2746	}
2747
2748	ccb_off = ccb->ccb_h.spriv_field0;
2749	ccb_len = ccb->csio.dxfer_len;
2750        ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len;
2751
2752	switch (inot->in_srr_iu) {
2753	case R_CTL_INFO_SOLICITED_DATA:
2754		/*
2755		 * We have to restart a FCP_DATA data out transaction
2756		 */
2757		atp->sendst = 0;
2758		atp->bytes_xfered = srr_off;
2759		if (ccb_len == 0) {
2760			isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off);
2761			goto mdp;
2762		}
2763 		if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) {
2764			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);
2765			goto mdp;
2766		}
2767		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);
2768		break;
2769	case R_CTL_INFO_COMMAND_STATUS:
2770		isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag);
2771		atp->sendst = 1;
2772		/*
2773		 * We have to restart a FCP_RSP IU transaction
2774		 */
2775		break;
2776	case R_CTL_INFO_DATA_DESCRIPTOR:
2777		/*
2778		 * We have to restart an FCP DATA in transaction
2779		 */
2780		isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping");
2781		goto fail;
2782
2783	default:
2784		isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu);
2785		goto fail;
2786	}
2787
2788	/*
2789	 * We can't do anything until this is acked, so we might as well start it now.
2790	 * We aren't going to do the usual asynchronous ack issue because we need
2791	 * to make sure this gets on the wire first.
2792	 */
2793	if (isp_notify_ack(isp, inot)) {
2794		isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2795		goto fail;
2796	}
2797	isp_target_start_ctio(isp, ccb, FROM_SRR);
2798	return;
2799fail:
2800	inot->in_reserved = 1;
2801	isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2802	ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2803	ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2804	isp_complete_ctio(ccb);
2805	return;
2806mdp:
2807	if (isp_notify_ack(isp, inot)) {
2808		isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2809		goto fail;
2810	}
2811	ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2812	ccb->ccb_h.status = CAM_MESSAGE_RECV;
2813	/*
2814	 * This is not a strict interpretation of MDP, but it's close
2815	 */
2816	ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16];
2817	ccb->csio.msg_len = 7;
2818	ccb->csio.msg_ptr[0] = MSG_EXTENDED;
2819	ccb->csio.msg_ptr[1] = 5;
2820	ccb->csio.msg_ptr[2] = 0;	/* modify data pointer */
2821	ccb->csio.msg_ptr[3] = srr_off >> 24;
2822	ccb->csio.msg_ptr[4] = srr_off >> 16;
2823	ccb->csio.msg_ptr[5] = srr_off >> 8;
2824	ccb->csio.msg_ptr[6] = srr_off;
2825	isp_complete_ctio(ccb);
2826}
2827
2828
2829static void
2830isp_handle_srr_notify(ispsoftc_t *isp, void *inot_raw)
2831{
2832	tstate_t *tptr;
2833	in_fcentry_24xx_t *inot = inot_raw;
2834	atio_private_data_t *atp;
2835	uint32_t tag = inot->in_rxid;
2836	uint32_t bus = inot->in_vpidx;
2837
2838	if (!IS_24XX(isp)) {
2839		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot_raw);
2840		return;
2841	}
2842
2843	tptr = get_lun_statep_from_tag(isp, bus, tag);
2844	if (tptr == NULL) {
2845		isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x in SRR Notify", __func__, tag);
2846		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2847		return;
2848	}
2849	atp = isp_get_atpd(isp, tptr, tag);
2850	if (atp == NULL) {
2851		rls_lun_statep(isp, tptr);
2852		isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", __func__, tag);
2853		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2854		return;
2855	}
2856	atp->srr_notify_rcvd = 1;
2857	memcpy(atp->srr, inot, sizeof (atp->srr));
2858	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,
2859	    inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16));
2860	if (atp->srr_ccb)
2861		isp_handle_srr_start(isp, tptr, atp);
2862	rls_lun_statep(isp, tptr);
2863}
2864
2865static void
2866isp_handle_platform_ctio(ispsoftc_t *isp, void *arg)
2867{
2868	union ccb *ccb;
2869	int sentstatus = 0, ok = 0, notify_cam = 0, resid = 0, failure = 0;
2870	tstate_t *tptr = NULL;
2871	atio_private_data_t *atp = NULL;
2872	int bus;
2873	uint32_t handle, moved_data = 0, data_requested;
2874
2875	/*
2876	 * CTIO handles are 16 bits.
2877	 * CTIO2 and CTIO7 are 32 bits.
2878	 */
2879
2880	if (IS_SCSI(isp)) {
2881		handle = ((ct_entry_t *)arg)->ct_syshandle;
2882	} else {
2883		handle = ((ct2_entry_t *)arg)->ct_syshandle;
2884	}
2885	ccb = isp_find_xs_tgt(isp, handle);
2886	if (ccb == NULL) {
2887		isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg);
2888		return;
2889	}
2890	isp_destroy_tgt_handle(isp, handle);
2891	data_requested = PISP_PCMD(ccb)->datalen;
2892	isp_free_pcmd(isp, ccb);
2893	if (isp->isp_nactive) {
2894		isp->isp_nactive--;
2895	}
2896
2897	bus = XS_CHANNEL(ccb);
2898	tptr = get_lun_statep(isp, bus, XS_LUN(ccb));
2899	if (tptr == NULL) {
2900		tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
2901	}
2902	if (tptr == NULL) {
2903		isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x after I/O", __func__, ccb->csio.tag_id);
2904		return;
2905	}
2906
2907	if (IS_24XX(isp)) {
2908		atp = isp_get_atpd(isp, tptr, ((ct7_entry_t *)arg)->ct_rxid);
2909	} else if (IS_FC(isp)) {
2910		atp = isp_get_atpd(isp, tptr, ((ct2_entry_t *)arg)->ct_rxid);
2911	} else {
2912		atp = isp_get_atpd(isp, tptr, ((ct_entry_t *)arg)->ct_fwhandle);
2913	}
2914	if (atp == NULL) {
2915		rls_lun_statep(isp, tptr);
2916		isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id);
2917		return;
2918	}
2919	KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero"));
2920	atp->bytes_in_transit -= data_requested;
2921	atp->ctcnt -= 1;
2922	ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2923
2924	if (IS_24XX(isp)) {
2925		ct7_entry_t *ct = arg;
2926
2927		if (ct->ct_nphdl == CT7_SRR) {
2928			atp->srr_ccb = ccb;
2929			if (atp->srr_notify_rcvd)
2930				isp_handle_srr_start(isp, tptr, atp);
2931			rls_lun_statep(isp, tptr);
2932			return;
2933		}
2934		if (ct->ct_nphdl == CT_HBA_RESET) {
2935			failure = CAM_UNREC_HBA_ERROR;
2936		} else {
2937			sentstatus = ct->ct_flags & CT7_SENDSTATUS;
2938			ok = (ct->ct_nphdl == CT7_OK);
2939			notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2940			if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) {
2941				resid = ct->ct_resid;
2942				moved_data = data_requested - resid;
2943			}
2944		}
2945		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),
2946		   notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2947	} else if (IS_FC(isp)) {
2948		ct2_entry_t *ct = arg;
2949		if (ct->ct_status == CT_SRR) {
2950			atp->srr_ccb = ccb;
2951			if (atp->srr_notify_rcvd)
2952				isp_handle_srr_start(isp, tptr, atp);
2953			rls_lun_statep(isp, tptr);
2954			isp_target_putback_atio(ccb);
2955			return;
2956		}
2957		if (ct->ct_status == CT_HBA_RESET) {
2958			failure = CAM_UNREC_HBA_ERROR;
2959		} else {
2960			sentstatus = ct->ct_flags & CT2_SENDSTATUS;
2961			ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2962			notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2963			if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) {
2964				resid = ct->ct_resid;
2965				moved_data = data_requested - resid;
2966			}
2967		}
2968		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),
2969		    notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2970	} else {
2971		ct_entry_t *ct = arg;
2972
2973		if (ct->ct_status == (CT_HBA_RESET & 0xff)) {
2974			failure = CAM_UNREC_HBA_ERROR;
2975		} else {
2976			sentstatus = ct->ct_flags & CT_SENDSTATUS;
2977			ok = (ct->ct_status  & ~QLTM_SVALID) == CT_OK;
2978			notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2979		}
2980		if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) {
2981			resid = ct->ct_resid;
2982			moved_data = data_requested - resid;
2983		}
2984		isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] seq %u nc %d tag %x S_ID 0x%x lun %d sts %x flg %x resid %d %s", __func__, ct->ct_fwhandle, ATPD_GET_SEQNO(ct),
2985		    notify_cam, ct->ct_tag_val, ct->ct_iid, ct->ct_lun, ct->ct_status, ct->ct_flags, resid, sentstatus? "FIN" : "MID");
2986	}
2987	if (ok) {
2988		if (moved_data) {
2989			atp->bytes_xfered += moved_data;
2990			ccb->csio.resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
2991		}
2992		if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) {
2993			ccb->ccb_h.status |= CAM_SENT_SENSE;
2994		}
2995		ccb->ccb_h.status |= CAM_REQ_CMP;
2996	} else {
2997		notify_cam = 1;
2998		if (failure == CAM_UNREC_HBA_ERROR)
2999			ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
3000		else
3001			ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
3002	}
3003	atp->state = ATPD_STATE_PDON;
3004	rls_lun_statep(isp, tptr);
3005
3006	/*
3007	 * We never *not* notify CAM when there has been any error (ok == 0),
3008	 * so we never need to do an ATIO putback if we're not notifying CAM.
3009	 */
3010	isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)",
3011	    (sentstatus)? "  FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0);
3012	if (notify_cam == 0) {
3013		if (atp->sendst) {
3014			isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE);
3015		}
3016		return;
3017	}
3018
3019	/*
3020	 * We're telling CAM we're done with this CTIO transaction.
3021	 *
3022	 * 24XX cards never need an ATIO put back.
3023	 *
3024	 * Other cards need one put back only on error.
3025	 * In the latter case, a timeout will re-fire
3026	 * and try again in case we didn't have
3027	 * queue resources to do so at first. In any case,
3028	 * once the putback is done we do the completion
3029	 * call.
3030	 */
3031	if (ok || IS_24XX(isp)) {
3032		isp_complete_ctio(ccb);
3033	} else {
3034		isp_target_putback_atio(ccb);
3035	}
3036}
3037
3038static void
3039isp_handle_platform_notify_scsi(ispsoftc_t *isp, in_entry_t *inot)
3040{
3041	isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
3042}
3043
3044static void
3045isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp)
3046{
3047	int needack = 1;
3048	switch (inp->in_status) {
3049	case IN_PORT_LOGOUT:
3050		/*
3051		 * XXX: Need to delete this initiator's WWN from the database
3052		 * XXX: Need to send this LOGOUT upstream
3053		 */
3054		isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid);
3055		break;
3056	case IN_PORT_CHANGED:
3057		isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid);
3058		break;
3059	case IN_GLOBAL_LOGO:
3060		isp_del_all_wwn_entries(isp, 0);
3061		isp_prt(isp, ISP_LOGINFO, "all ports logged out");
3062		break;
3063	case IN_ABORT_TASK:
3064	{
3065		tstate_t *tptr;
3066		uint16_t lun;
3067		uint32_t loopid;
3068		uint64_t wwn;
3069		atio_private_data_t *atp;
3070		fcportdb_t *lp;
3071		struct ccb_immediate_notify *inot = NULL;
3072
3073		if (ISP_CAP_SCCFW(isp)) {
3074			lun = inp->in_scclun;
3075		} else {
3076			lun = inp->in_lun;
3077		}
3078		if (ISP_CAP_2KLOGIN(isp)) {
3079			loopid = ((in_fcentry_e_t *)inp)->in_iid;
3080		} else {
3081			loopid = inp->in_iid;
3082		}
3083		if (isp_find_pdb_by_loopid(isp, 0, loopid, &lp)) {
3084			wwn = lp->port_wwn;
3085		} else {
3086			wwn = INI_ANY;
3087		}
3088		tptr = get_lun_statep(isp, 0, lun);
3089		if (tptr == NULL) {
3090			tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
3091			if (tptr == NULL) {
3092				isp_prt(isp, ISP_LOGWARN, "ABORT TASK for lun %u- but no tstate", lun);
3093				return;
3094			}
3095		}
3096		atp = isp_get_atpd(isp, tptr, inp->in_seqid);
3097
3098		if (atp) {
3099			inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
3100			isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx state %d", inp->in_seqid, (unsigned long long) wwn, atp->state);
3101			if (inot) {
3102				tptr->inot_count--;
3103				SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
3104				ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
3105			} else {
3106				ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "out of INOT structures\n");
3107			}
3108		} else {
3109			ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "abort task RX_ID %x from wwn 0x%016llx, state unknown\n", inp->in_seqid, wwn);
3110		}
3111		if (inot) {
3112			isp_notify_t tmp, *nt = &tmp;
3113			ISP_MEMZERO(nt, sizeof (isp_notify_t));
3114    			nt->nt_hba = isp;
3115			nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn;
3116			nt->nt_wwn = wwn;
3117			nt->nt_nphdl = loopid;
3118			nt->nt_sid = PORT_ANY;
3119			nt->nt_did = PORT_ANY;
3120    			nt->nt_lun = lun;
3121            		nt->nt_need_ack = 1;
3122    			nt->nt_channel = 0;
3123    			nt->nt_ncode = NT_ABORT_TASK;
3124    			nt->nt_lreserved = inot;
3125			isp_handle_platform_target_tmf(isp, nt);
3126			needack = 0;
3127		}
3128		rls_lun_statep(isp, tptr);
3129		break;
3130	}
3131	default:
3132		break;
3133	}
3134	if (needack) {
3135		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inp);
3136	}
3137}
3138
3139static void
3140isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot)
3141{
3142	uint16_t nphdl;
3143	uint16_t prli_options = 0;
3144	uint32_t portid;
3145	fcportdb_t *lp;
3146	uint8_t *ptr = NULL;
3147	uint64_t wwn;
3148
3149	nphdl = inot->in_nphdl;
3150	if (nphdl != NIL_HANDLE) {
3151		portid = inot->in_portid_hi << 16 | inot->in_portid_lo;
3152	} else {
3153		portid = PORT_ANY;
3154	}
3155
3156	switch (inot->in_status) {
3157	case IN24XX_ELS_RCVD:
3158	{
3159		char buf[16], *msg;
3160		int chan = ISP_GET_VPIDX(isp, inot->in_vpidx);
3161
3162		/*
3163		 * Note that we're just getting notification that an ELS was received
3164		 * (possibly with some associated information sent upstream). This is
3165		 * *not* the same as being given the ELS frame to accept or reject.
3166		 */
3167		switch (inot->in_status_subcode) {
3168		case LOGO:
3169			msg = "LOGO";
3170			if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) {
3171				ptr = (uint8_t *)inot;  /* point to unswizzled entry! */
3172				wwn =	(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF])   << 56) |
3173					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+1]) << 48) |
3174					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+2]) << 40) |
3175					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+3]) << 32) |
3176					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+4]) << 24) |
3177					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+5]) << 16) |
3178					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+6]) <<  8) |
3179					(((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+7]));
3180			} else {
3181				wwn = INI_ANY;
3182			}
3183			isp_del_wwn_entry(isp, chan, wwn, nphdl, portid);
3184			break;
3185		case PRLO:
3186			msg = "PRLO";
3187			break;
3188		case PLOGI:
3189		case PRLI:
3190			/*
3191			 * Treat PRLI the same as PLOGI and make a database entry for it.
3192			 */
3193			if (inot->in_status_subcode == PLOGI) {
3194				msg = "PLOGI";
3195			} else {
3196				prli_options = inot->in_prli_options;
3197				msg = "PRLI";
3198			}
3199			if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) {
3200				ptr = (uint8_t *)inot;  /* point to unswizzled entry! */
3201				wwn =	(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF])   << 56) |
3202					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+1]) << 48) |
3203					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+2]) << 40) |
3204					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+3]) << 32) |
3205					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+4]) << 24) |
3206					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+5]) << 16) |
3207					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+6]) <<  8) |
3208					(((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+7]));
3209			} else {
3210				wwn = INI_NONE;
3211			}
3212			isp_add_wwn_entry(isp, chan, wwn, nphdl, portid, prli_options);
3213			break;
3214		case PDISC:
3215			msg = "PDISC";
3216			break;
3217		case ADISC:
3218			msg = "ADISC";
3219			break;
3220		default:
3221			ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode);
3222			msg = buf;
3223			break;
3224		}
3225		if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) {
3226			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);
3227			break;
3228		}
3229		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,
3230		    inot->in_rxid, inot->in_oxid);
3231		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
3232		break;
3233	}
3234
3235	case IN24XX_PORT_LOGOUT:
3236		ptr = "PORT LOGOUT";
3237		if (isp_find_pdb_by_loopid(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) {
3238			isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid);
3239		}
3240		/* FALLTHROUGH */
3241	case IN24XX_PORT_CHANGED:
3242		if (ptr == NULL) {
3243			ptr = "PORT CHANGED";
3244		}
3245		/* FALLTHROUGH */
3246	case IN24XX_LIP_RESET:
3247		if (ptr == NULL) {
3248			ptr = "LIP RESET";
3249		}
3250		isp_prt(isp, ISP_LOGINFO, "Chan %d %s (sub-status 0x%x) for N-port handle 0x%x", ISP_GET_VPIDX(isp, inot->in_vpidx), ptr, inot->in_status_subcode, nphdl);
3251
3252		/*
3253		 * All subcodes here are irrelevant. What is relevant
3254		 * is that we need to terminate all active commands from
3255		 * this initiator (known by N-port handle).
3256		 */
3257		/* XXX IMPLEMENT XXX */
3258		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
3259		break;
3260
3261	case IN24XX_SRR_RCVD:
3262#ifdef	ISP_TARGET_MODE
3263		isp_handle_srr_notify(isp, inot);
3264		break;
3265#else
3266		if (ptr == NULL) {
3267			ptr = "SRR RCVD";
3268		}
3269		/* FALLTHROUGH */
3270#endif
3271	case IN24XX_LINK_RESET:
3272		if (ptr == NULL) {
3273			ptr = "LINK RESET";
3274		}
3275	case IN24XX_LINK_FAILED:
3276		if (ptr == NULL) {
3277			ptr = "LINK FAILED";
3278		}
3279	default:
3280		isp_prt(isp, ISP_LOGWARN, "Chan %d %s", ISP_GET_VPIDX(isp, inot->in_vpidx), ptr);
3281		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
3282		break;
3283	}
3284}
3285
3286static int
3287isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp)
3288{
3289
3290	if (isp->isp_state != ISP_RUNSTATE) {
3291		isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL);
3292		return (0);
3293	}
3294
3295	/*
3296	 * This case is for a Task Management Function, which shows up as an ATIO7 entry.
3297	 */
3298	if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) {
3299		ct7_entry_t local, *cto = &local;
3300		at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved;
3301		fcportdb_t *lp;
3302		uint32_t sid;
3303		uint16_t nphdl;
3304
3305		sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
3306		if (isp_find_pdb_by_sid(isp, mp->nt_channel, sid, &lp)) {
3307			nphdl = lp->handle;
3308		} else {
3309			nphdl = NIL_HANDLE;
3310		}
3311		ISP_MEMZERO(&local, sizeof (local));
3312		cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
3313		cto->ct_header.rqs_entry_count = 1;
3314		cto->ct_nphdl = nphdl;
3315		cto->ct_rxid = aep->at_rxid;
3316		cto->ct_vpidx = mp->nt_channel;
3317		cto->ct_iid_lo = sid;
3318		cto->ct_iid_hi = sid >> 16;
3319		cto->ct_oxid = aep->at_hdr.ox_id;
3320		cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1;
3321		cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT;
3322		return (isp_target_put_entry(isp, &local));
3323	}
3324
3325	/*
3326	 * This case is for a responding to an ABTS frame
3327	 */
3328	if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
3329
3330		/*
3331		 * Overload nt_need_ack here to mark whether we've terminated the associated command.
3332		 */
3333		if (mp->nt_need_ack) {
3334			uint8_t storage[QENTRY_LEN];
3335			ct7_entry_t *cto = (ct7_entry_t *) storage;
3336			abts_t *abts = (abts_t *)mp->nt_lreserved;
3337
3338			ISP_MEMZERO(cto, sizeof (ct7_entry_t));
3339			isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task);
3340			cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
3341			cto->ct_header.rqs_entry_count = 1;
3342			cto->ct_nphdl = mp->nt_nphdl;
3343			cto->ct_rxid = abts->abts_rxid_task;
3344			cto->ct_iid_lo = mp->nt_sid;
3345			cto->ct_iid_hi = mp->nt_sid >> 16;
3346			cto->ct_oxid = abts->abts_ox_id;
3347			cto->ct_vpidx = mp->nt_channel;
3348			cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
3349			if (isp_target_put_entry(isp, cto)) {
3350				return (ENOMEM);
3351			}
3352			mp->nt_need_ack = 0;
3353		}
3354		if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) {
3355			return (ENOMEM);
3356		} else {
3357			return (0);
3358		}
3359	}
3360
3361	/*
3362	 * Handle logout cases here
3363	 */
3364	if (mp->nt_ncode == NT_GLOBAL_LOGOUT) {
3365		isp_del_all_wwn_entries(isp, mp->nt_channel);
3366	}
3367
3368	if (mp->nt_ncode == NT_LOGOUT) {
3369		if (!IS_2100(isp) && IS_FC(isp)) {
3370			isp_del_wwn_entries(isp, mp);
3371		}
3372	}
3373
3374	/*
3375	 * General purpose acknowledgement
3376	 */
3377	if (mp->nt_need_ack) {
3378		isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL);
3379		/*
3380		 * Don't need to use the guaranteed send because the caller can retry
3381		 */
3382		return (isp_notify_ack(isp, mp->nt_lreserved));
3383	}
3384	return (0);
3385}
3386
3387/*
3388 * Handle task management functions.
3389 *
3390 * We show up here with a notify structure filled out.
3391 *
3392 * The nt_lreserved tag points to the original queue entry
3393 */
3394static void
3395isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify)
3396{
3397	tstate_t *tptr;
3398	fcportdb_t *lp;
3399	struct ccb_immediate_notify *inot;
3400	inot_private_data_t *ntp = NULL;
3401	lun_id_t lun;
3402
3403	isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid  0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode,
3404	    notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun);
3405	/*
3406	 * NB: This assignment is necessary because of tricky type conversion.
3407	 * XXX: This is tricky and I need to check this. If the lun isn't known
3408	 * XXX: for the task management function, it does not of necessity follow
3409	 * XXX: that it should go up stream to the wildcard listener.
3410	 */
3411	if (notify->nt_lun == LUN_ANY) {
3412		lun = CAM_LUN_WILDCARD;
3413	} else {
3414		lun = notify->nt_lun;
3415	}
3416	tptr = get_lun_statep(isp, notify->nt_channel, lun);
3417	if (tptr == NULL) {
3418		tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD);
3419		if (tptr == NULL) {
3420			isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
3421			goto bad;
3422		}
3423	}
3424	inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
3425	if (inot == NULL) {
3426		isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
3427		goto bad;
3428	}
3429
3430	if (isp_find_pdb_by_sid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0) {
3431		inot->initiator_id = CAM_TARGET_WILDCARD;
3432	} else {
3433		inot->initiator_id = lp->handle;
3434	}
3435	inot->seq_id = notify->nt_tagval;
3436	inot->tag_id = notify->nt_tagval >> 32;
3437
3438	switch (notify->nt_ncode) {
3439	case NT_ABORT_TASK:
3440		isp_target_mark_aborted_early(isp, tptr, inot->tag_id);
3441		inot->arg = MSG_ABORT_TASK;
3442		break;
3443	case NT_ABORT_TASK_SET:
3444		isp_target_mark_aborted_early(isp, tptr, TAG_ANY);
3445		inot->arg = MSG_ABORT_TASK_SET;
3446		break;
3447	case NT_CLEAR_ACA:
3448		inot->arg = MSG_CLEAR_ACA;
3449		break;
3450	case NT_CLEAR_TASK_SET:
3451		inot->arg = MSG_CLEAR_TASK_SET;
3452		break;
3453	case NT_LUN_RESET:
3454		inot->arg = MSG_LOGICAL_UNIT_RESET;
3455		break;
3456	case NT_TARGET_RESET:
3457		inot->arg = MSG_TARGET_RESET;
3458		break;
3459	default:
3460		isp_prt(isp, ISP_LOGWARN, "%s: unknown TMF code 0x%x for chan %d lun 0x%x", __func__, notify->nt_ncode, notify->nt_channel, lun);
3461		goto bad;
3462	}
3463
3464	ntp = isp_get_ntpd(isp, tptr);
3465	if (ntp == NULL) {
3466		isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__);
3467		goto bad;
3468	}
3469	ISP_MEMCPY(&ntp->rd.nt, notify, sizeof (isp_notify_t));
3470	if (notify->nt_lreserved) {
3471		ISP_MEMCPY(&ntp->rd.data, notify->nt_lreserved, QENTRY_LEN);
3472		ntp->rd.nt.nt_lreserved = &ntp->rd.data;
3473	}
3474	ntp->rd.seq_id = notify->nt_tagval;
3475	ntp->rd.tag_id = notify->nt_tagval >> 32;
3476
3477	tptr->inot_count--;
3478	SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
3479	rls_lun_statep(isp, tptr);
3480	ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
3481	inot->ccb_h.status = CAM_MESSAGE_RECV;
3482	xpt_done((union ccb *)inot);
3483	return;
3484bad:
3485	if (tptr) {
3486		rls_lun_statep(isp, tptr);
3487	}
3488	if (notify->nt_need_ack && notify->nt_lreserved) {
3489		if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
3490			if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) {
3491				isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK");
3492			}
3493		} else {
3494			isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved);
3495		}
3496	}
3497}
3498
3499/*
3500 * Find the associated private data and mark it as dead so
3501 * we don't try to work on it any further.
3502 */
3503static void
3504isp_target_mark_aborted(ispsoftc_t *isp, union ccb *ccb)
3505{
3506	tstate_t *tptr;
3507	atio_private_data_t *atp;
3508	union ccb *accb = ccb->cab.abort_ccb;
3509
3510	tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
3511	if (tptr == NULL) {
3512		tptr = get_lun_statep(isp, XS_CHANNEL(accb), CAM_LUN_WILDCARD);
3513		if (tptr == NULL) {
3514			ccb->ccb_h.status = CAM_REQ_INVALID;
3515			return;
3516		}
3517	}
3518
3519	atp = isp_get_atpd(isp, tptr, accb->atio.tag_id);
3520	if (atp == NULL) {
3521		ccb->ccb_h.status = CAM_REQ_INVALID;
3522	} else {
3523		atp->dead = 1;
3524		ccb->ccb_h.status = CAM_REQ_CMP;
3525	}
3526	rls_lun_statep(isp, tptr);
3527}
3528
3529static void
3530isp_target_mark_aborted_early(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id)
3531{
3532	atio_private_data_t *atp;
3533	inot_private_data_t *restart_queue = tptr->restart_queue;
3534
3535	/*
3536	 * First, clean any commands pending restart
3537	 */
3538	tptr->restart_queue = NULL;
3539	while (restart_queue) {
3540		uint32_t this_tag_id;
3541		inot_private_data_t *ntp = restart_queue;
3542
3543		restart_queue = ntp->rd.nt.nt_hba;
3544
3545		if (IS_24XX(isp)) {
3546			this_tag_id = ((at7_entry_t *)ntp->rd.data)->at_rxid;
3547		} else {
3548			this_tag_id = ((at2_entry_t *)ntp->rd.data)->at_rxid;
3549		}
3550		if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) {
3551			isp_put_ntpd(isp, tptr, ntp);
3552		} else {
3553			ntp->rd.nt.nt_hba = tptr->restart_queue;
3554			tptr->restart_queue = ntp;
3555		}
3556	}
3557
3558	/*
3559	 * Now mark other ones dead as well.
3560	 */
3561	for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
3562		if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) {
3563			atp->dead = 1;
3564		}
3565	}
3566}
3567
3568
3569#ifdef	ISP_INTERNAL_TARGET
3570//#define	ISP_SEPARATE_STATUS	1
3571#define	ISP_MULTI_CCBS		1
3572#if defined(ISP_MULTI_CCBS) && !defined(ISP_SEPARATE_STATUS)
3573#define	ISP_SEPARATE_STATUS 1
3574#endif
3575
3576typedef struct periph_private_data_t {
3577	union ccb *ccb;			/* original ATIO or Immediate Notify */
3578	unsigned long	offset;		/* current offset */
3579	int		sequence;	/* current CTIO sequence */
3580	int		ctio_cnt;	/* current # of ctio's outstanding */
3581	int
3582		status_sent	: 1,
3583		on_queue	: 1;	/* on restart queue */
3584} ppd_t;
3585/*
3586 * Each ATIO we allocate will have periph private data associated with it
3587 * that maintains per-command state. This private to each ATIO.
3588 */
3589#define	ATIO_PPD(ccb)		((ppd_t *)(((struct ccb_hdr *)ccb)->ppriv_ptr0))
3590/*
3591 * Each CTIO we send downstream will get a pointer to the ATIO itself
3592 * so that on completion we can retrieve that pointer.
3593 */
3594#define	ccb_atio		ppriv_ptr1
3595#define	ccb_inot		ppriv_ptr1
3596
3597/*
3598 * Each CTIO we send downstream will contain a sequence number
3599 */
3600#define	CTIO_SEQ(ccb)		ccb->ccb_h.ppriv_field0
3601
3602#define	MAX_ISP_TARG_TRANSFER	(2 << 20)
3603#define	NISP_TARG_CMDS		64
3604#define	NISP_TARG_NOTIFIES	64
3605#define	DISK_SHIFT		9
3606#define	JUNK_SIZE		256
3607#define	MULTI_CCB_DATA_LIM	8192
3608//#define	MULTI_CCB_DATA_CNT	64
3609#define	MULTI_CCB_DATA_CNT	8
3610
3611extern u_int vm_kmem_size;
3612static int ca;
3613static uint32_t disk_size;
3614static uint8_t *disk_data = NULL;
3615static uint8_t *junk_data;
3616static MALLOC_DEFINE(M_ISPTARG, "ISPTARG", "ISP TARGET data");
3617struct isptarg_softc {
3618	/* CCBs (CTIOs, ATIOs, INOTs) pending on the controller */
3619	struct isp_ccbq		work_queue;
3620	struct isp_ccbq		rework_queue;
3621	struct isp_ccbq		running_queue;
3622	struct isp_ccbq		inot_queue;
3623	struct cam_periph       *periph;
3624	struct cam_path	 	*path;
3625	ispsoftc_t		*isp;
3626};
3627static periph_ctor_t	isptargctor;
3628static periph_dtor_t	isptargdtor;
3629static periph_start_t	isptargstart;
3630static periph_init_t	isptarginit;
3631static void		isptarg_done(struct cam_periph *, union ccb *);
3632static void		isptargasync(void *, u_int32_t, struct cam_path *, void *);
3633
3634
3635static int isptarg_rwparm(uint8_t *, uint8_t *, uint64_t, uint32_t, uint8_t **, uint32_t *, int *);
3636
3637static struct periph_driver isptargdriver =
3638{
3639	isptarginit, "isptarg", TAILQ_HEAD_INITIALIZER(isptargdriver.units), 0
3640};
3641
3642static void
3643isptarginit(void)
3644{
3645}
3646
3647static void
3648isptargnotify(ispsoftc_t *isp, union ccb *iccb, struct ccb_immediate_notify *inot)
3649{
3650	struct ccb_notify_acknowledge *ack = &iccb->cna2;
3651
3652	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, inot->ccb_h.path, "%s: [0x%x] immediate notify for 0x%x from 0x%x status 0x%x arg 0x%x\n", __func__,
3653	    inot->tag_id, inot->initiator_id, inot->seq_id, inot->ccb_h.status, inot->arg);
3654	ack->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE;
3655	ack->ccb_h.flags = 0;
3656	ack->ccb_h.retry_count = 0;
3657	ack->ccb_h.cbfcnp = isptarg_done;
3658	ack->ccb_h.timeout = 0;
3659	ack->ccb_h.ccb_inot = inot;
3660	ack->tag_id = inot->tag_id;
3661	ack->seq_id = inot->seq_id;
3662	ack->initiator_id = inot->initiator_id;
3663	xpt_action(iccb);
3664}
3665
3666static void
3667isptargstart(struct cam_periph *periph, union ccb *iccb)
3668{
3669	const uint8_t niliqd[SHORT_INQUIRY_LENGTH] = {
3670		0x7f, 0x0, 0x5, 0x2, 32, 0, 0, 0x32,
3671		'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ',
3672		'S', 'C', 'S', 'I', ' ', 'N', 'U', 'L',
3673		'L', ' ', 'D', 'E', 'V', 'I', 'C', 'E',
3674		'0', '0', '0', '1'
3675	};
3676	const uint8_t iqd[SHORT_INQUIRY_LENGTH] = {
3677		0, 0x0, 0x5, 0x2, 32, 0, 0, 0x32,
3678		'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ',
3679		'S', 'C', 'S', 'I', ' ', 'M', 'E', 'M',
3680		'O', 'R', 'Y', ' ', 'D', 'I', 'S', 'K',
3681		'0', '0', '0', '1'
3682	};
3683	int r, i, more = 0, last, is_data_cmd = 0, is_write;
3684	char *queue;
3685	struct isptarg_softc *softc = periph->softc;
3686	struct ccb_scsiio *csio;
3687	lun_id_t return_lun;
3688	struct ccb_accept_tio *atio;
3689	uint8_t *cdb, *ptr, status;
3690	uint8_t *data_ptr;
3691	uint32_t data_len, flags;
3692	struct ccb_hdr *ccbh;
3693
3694	mtx_assert(periph->sim->mtx, MA_OWNED);
3695	ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, iccb->ccb_h.path, "%s: function code 0x%x INOTQ=%c WORKQ=%c REWORKQ=%c\n", __func__, iccb->ccb_h.func_code,
3696	    TAILQ_FIRST(&softc->inot_queue)? 'y' : 'n', TAILQ_FIRST(&softc->work_queue)? 'y' : 'n', TAILQ_FIRST(&softc->rework_queue)? 'y' : 'n');
3697	/*
3698	 * Check for immediate notifies first
3699	 */
3700	ccbh = TAILQ_FIRST(&softc->inot_queue);
3701	if (ccbh) {
3702		TAILQ_REMOVE(&softc->inot_queue, ccbh, periph_links.tqe);
3703		if (TAILQ_FIRST(&softc->inot_queue) || TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue)) {
3704			xpt_schedule(periph, 1);
3705		}
3706		isptargnotify(softc->isp, iccb, (struct ccb_immediate_notify *)ccbh);
3707		return;
3708	}
3709
3710	/*
3711	 * Check the rework (continuation) work queue first.
3712	 */
3713	ccbh = TAILQ_FIRST(&softc->rework_queue);
3714	if (ccbh) {
3715		atio = (struct ccb_accept_tio *)ccbh;
3716		TAILQ_REMOVE(&softc->rework_queue, ccbh, periph_links.tqe);
3717		more = TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue);
3718		queue = "rework";
3719	} else {
3720		ccbh = TAILQ_FIRST(&softc->work_queue);
3721		if (ccbh == NULL) {
3722			xpt_release_ccb(iccb);
3723			return;
3724		}
3725		atio = (struct ccb_accept_tio *)ccbh;
3726		TAILQ_REMOVE(&softc->work_queue, ccbh, periph_links.tqe);
3727		more = TAILQ_FIRST(&softc->work_queue) != NULL;
3728		queue = "work";
3729	}
3730	ATIO_PPD(atio)->on_queue = 0;
3731
3732	if (atio->tag_id == 0xffffffff || atio->ccb_h.func_code != XPT_ACCEPT_TARGET_IO) {
3733		panic("BAD ATIO");
3734	}
3735
3736	data_len = is_write = 0;
3737	data_ptr = NULL;
3738	csio = &iccb->csio;
3739	status = SCSI_STATUS_OK;
3740	flags = CAM_SEND_STATUS;
3741	memset(&atio->sense_data, 0, sizeof (atio->sense_data));
3742	cdb = atio->cdb_io.cdb_bytes;
3743	ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, ccbh->path, "%s: [0x%x] processing ATIO from %s queue initiator 0x%x CDB=0x%x data_offset=%u\n", __func__, atio->tag_id,
3744	    queue, atio->init_id, cdb[0], ATIO_PPD(atio)->offset);
3745
3746	return_lun = XS_LUN(atio);
3747	if (return_lun != 0) {
3748		xpt_print(atio->ccb_h.path, "[0x%x] Non-Zero Lun %d: cdb0=0x%x\n", atio->tag_id, return_lun, cdb[0]);
3749		if (cdb[0] != INQUIRY && cdb[0] != REPORT_LUNS && cdb[0] != REQUEST_SENSE) {
3750			status = SCSI_STATUS_CHECK_COND;
3751			SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3752			SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST;
3753			SDFIXED(atio->sense_data)->add_sense_code = 0x25;	/* LOGICAL UNIT NOT SUPPORTED */
3754			atio->sense_len = SSD_MIN_SIZE;
3755		}
3756		return_lun = CAM_LUN_WILDCARD;
3757	}
3758
3759	switch (cdb[0]) {
3760	case REQUEST_SENSE:
3761		flags |= CAM_DIR_IN;
3762		data_len = sizeof (atio->sense_data);
3763		junk_data[0] = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_NO_SENSE;
3764		memset(junk_data+1, 0, data_len-1);
3765		if (data_len > cdb[4]) {
3766			data_len = cdb[4];
3767		}
3768		if (data_len) {
3769			data_ptr = junk_data;
3770		}
3771		break;
3772	case WRITE_6:
3773	case WRITE_10:
3774	case WRITE_12:
3775	case WRITE_16:
3776		is_write = 1;
3777		/* FALLTHROUGH */
3778	case READ_6:
3779	case READ_10:
3780	case READ_12:
3781	case READ_16:
3782		is_data_cmd = 1;
3783		r = isptarg_rwparm(cdb, disk_data, disk_size, ATIO_PPD(atio)->offset, &data_ptr, &data_len, &last);
3784		if (r != 0) {
3785			status = SCSI_STATUS_CHECK_COND;
3786			SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3787			SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST;
3788			if (r == -1) {
3789				SDFIXED(atio->sense_data)->add_sense_code = 0x21;	/* LOGICAL BLOCK ADDRESS OUT OF RANGE */
3790			} else {
3791				SDFIXED(atio->sense_data)->add_sense_code = 0x20;	/* INVALID COMMAND OPERATION CODE */
3792			}
3793			atio->sense_len = SSD_MIN_SIZE;
3794		} else {
3795#ifdef	ISP_SEPARATE_STATUS
3796			if (last && data_len) {
3797				last = 0;
3798			}
3799#endif
3800			if (last == 0) {
3801				flags &= ~CAM_SEND_STATUS;
3802			}
3803			if (data_len) {
3804				ATIO_PPD(atio)->offset += data_len;
3805				if (is_write)
3806					flags |= CAM_DIR_OUT;
3807				else
3808					flags |= CAM_DIR_IN;
3809			} else {
3810				flags |= CAM_DIR_NONE;
3811			}
3812		}
3813		break;
3814	case INQUIRY:
3815		flags |= CAM_DIR_IN;
3816		if (cdb[1] || cdb[2] || cdb[3]) {
3817			status = SCSI_STATUS_CHECK_COND;
3818			SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3819			SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION;
3820			SDFIXED(atio->sense_data)->add_sense_code = 0x24;	/* INVALID FIELD IN CDB */
3821			atio->sense_len = SSD_MIN_SIZE;
3822			break;
3823		}
3824		data_len = sizeof (iqd);
3825		if (data_len > cdb[4]) {
3826			data_len = cdb[4];
3827		}
3828		if (data_len) {
3829			if (XS_LUN(iccb) != 0) {
3830				memcpy(junk_data, niliqd, sizeof (iqd));
3831			} else {
3832				memcpy(junk_data, iqd, sizeof (iqd));
3833			}
3834			data_ptr = junk_data;
3835		}
3836		break;
3837	case TEST_UNIT_READY:
3838		flags |= CAM_DIR_NONE;
3839		if (ca) {
3840			ca = 0;
3841			status = SCSI_STATUS_CHECK_COND;
3842			SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3843			SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION;
3844			SDFIXED(atio->sense_data)->add_sense_code = 0x29;	/* POWER ON, RESET, OR BUS DEVICE RESET OCCURRED */
3845			atio->sense_len = SSD_MIN_SIZE;
3846		}
3847		break;
3848	case SYNCHRONIZE_CACHE:
3849	case START_STOP:
3850	case RESERVE:
3851	case RELEASE:
3852	case VERIFY_10:
3853		flags |= CAM_DIR_NONE;
3854		break;
3855
3856	case READ_CAPACITY:
3857		flags |= CAM_DIR_IN;
3858		if (cdb[2] || cdb[3] || cdb[4] || cdb[5]) {
3859			status = SCSI_STATUS_CHECK_COND;
3860			SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3861			SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST;
3862			SDFIXED(atio->sense_data)->add_sense_code =  0x24;	/* INVALID FIELD IN CDB */
3863			atio->sense_len = SSD_MIN_SIZE;
3864			break;
3865		}
3866		if (cdb[8] & 0x1) { /* PMI */
3867			junk_data[0] = 0xff;
3868			junk_data[1] = 0xff;
3869			junk_data[2] = 0xff;
3870			junk_data[3] = 0xff;
3871		} else {
3872			uint64_t last_blk = (disk_size >> DISK_SHIFT) - 1;
3873			if (last_blk < 0xffffffffULL) {
3874			    junk_data[0] = (last_blk >> 24) & 0xff;
3875			    junk_data[1] = (last_blk >> 16) & 0xff;
3876			    junk_data[2] = (last_blk >>  8) & 0xff;
3877			    junk_data[3] = (last_blk) & 0xff;
3878			} else {
3879			    junk_data[0] = 0xff;
3880			    junk_data[1] = 0xff;
3881			    junk_data[2] = 0xff;
3882			    junk_data[3] = 0xff;
3883			}
3884		}
3885		junk_data[4] = ((1 << DISK_SHIFT) >> 24) & 0xff;
3886		junk_data[5] = ((1 << DISK_SHIFT) >> 16) & 0xff;
3887		junk_data[6] = ((1 << DISK_SHIFT) >>  8) & 0xff;
3888		junk_data[7] = ((1 << DISK_SHIFT)) & 0xff;
3889		data_ptr = junk_data;
3890		data_len = 8;
3891		break;
3892	case REPORT_LUNS:
3893		flags |= CAM_DIR_IN;
3894		memset(junk_data, 0, JUNK_SIZE);
3895		junk_data[0] = (1 << 3) >> 24;
3896		junk_data[1] = (1 << 3) >> 16;
3897		junk_data[2] = (1 << 3) >> 8;
3898		junk_data[3] = (1 << 3);
3899		ptr = NULL;
3900		for (i = 0; i < 1; i++) {
3901			ptr = &junk_data[8 + (i << 3)];
3902			if (i >= 256) {
3903				ptr[0] = 0x40 | ((i >> 8) & 0x3f);
3904			}
3905			ptr[1] = i;
3906		}
3907		data_ptr = junk_data;
3908		data_len = (ptr + 8) - junk_data;
3909		break;
3910
3911	default:
3912		flags |= CAM_DIR_NONE;
3913		status = SCSI_STATUS_CHECK_COND;
3914		SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3915		SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST;
3916		SDFIXED(atio->sense_data)->add_sense_code = 0x20;	/* INVALID COMMAND OPERATION CODE */
3917		atio->sense_len = SSD_MIN_SIZE;
3918		break;
3919	}
3920
3921	/*
3922	 * If we are done with the transaction, tell the
3923	 * controller to send status and perform a CMD_CMPLT.
3924	 * If we have associated sense data, see if we can
3925	 * send that too.
3926	 */
3927	if (status == SCSI_STATUS_CHECK_COND) {
3928		flags |= CAM_SEND_SENSE;
3929		csio->sense_len = atio->sense_len;
3930		csio->sense_data = atio->sense_data;
3931		flags &= ~CAM_DIR_MASK;
3932		data_len = 0;
3933		data_ptr = NULL;
3934	}
3935	cam_fill_ctio(csio, 0, isptarg_done, flags, MSG_SIMPLE_Q_TAG, atio->tag_id, atio->init_id, status, data_ptr, data_len, 30 * hz);
3936	iccb->ccb_h.target_id = atio->ccb_h.target_id;
3937	iccb->ccb_h.target_lun = return_lun;
3938	iccb->ccb_h.ccb_atio = atio;
3939	CTIO_SEQ(iccb) = ATIO_PPD(atio)->sequence++;
3940	ATIO_PPD(atio)->ctio_cnt++;
3941	if (flags & CAM_SEND_STATUS) {
3942		KASSERT((ATIO_PPD(atio)->status_sent == 0), ("we have already sent status for 0x%x in %s", atio->tag_id, __func__));
3943		ATIO_PPD(atio)->status_sent = 1;
3944	}
3945	ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, atio->ccb_h.path, "%s: sending downstream for  0x%x sequence %u len %u flags %x\n", __func__, atio->tag_id, CTIO_SEQ(iccb), data_len, flags);
3946	xpt_action(iccb);
3947
3948	if ((atio->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3949		cam_release_devq(periph->path, 0, 0, 0, 0);
3950		atio->ccb_h.status &= ~CAM_DEV_QFRZN;
3951	}
3952#ifdef	ISP_MULTI_CCBS
3953	if (is_data_cmd && ATIO_PPD(atio)->status_sent == 0 && ATIO_PPD(atio)->ctio_cnt < MULTI_CCB_DATA_CNT && ATIO_PPD(atio)->on_queue == 0) {
3954		ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, atio->ccb_h.path, "%s: more still to do for 0x%x\n", __func__, atio->tag_id);
3955		TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe);
3956		ATIO_PPD(atio)->on_queue = 1;
3957		more = 1;
3958	}
3959#endif
3960	if (more) {
3961		xpt_schedule(periph, 1);
3962	}
3963}
3964
3965static cam_status
3966isptargctor(struct cam_periph *periph, void *arg)
3967{
3968	struct isptarg_softc *softc;
3969
3970	softc = (struct isptarg_softc *)arg;
3971	periph->softc = softc;
3972	softc->periph = periph;
3973	softc->path = periph->path;
3974	ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__);
3975	return (CAM_REQ_CMP);
3976}
3977
3978static void
3979isptargdtor(struct cam_periph *periph)
3980{
3981	struct isptarg_softc *softc;
3982	softc = (struct isptarg_softc *)periph->softc;
3983	ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__);
3984	softc->periph = NULL;
3985	softc->path = NULL;
3986	periph->softc = NULL;
3987}
3988
3989static void
3990isptarg_done(struct cam_periph *periph, union ccb *ccb)
3991{
3992	struct isptarg_softc *softc;
3993	ispsoftc_t *isp;
3994	uint32_t newoff;
3995	struct ccb_accept_tio *atio;
3996	struct ccb_immediate_notify *inot;
3997	cam_status status;
3998
3999	softc = (struct isptarg_softc *)periph->softc;
4000	isp = softc->isp;
4001	status = ccb->ccb_h.status & CAM_STATUS_MASK;
4002
4003	switch (ccb->ccb_h.func_code) {
4004	case XPT_ACCEPT_TARGET_IO:
4005		atio = (struct ccb_accept_tio *) ccb;
4006		ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] ATIO seen in %s\n", atio->tag_id, __func__);
4007		memset(ATIO_PPD(atio), 0, sizeof (ppd_t));
4008		TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, periph_links.tqe);
4009		ATIO_PPD(atio)->on_queue = 1;
4010		xpt_schedule(periph, 1);
4011		break;
4012	case XPT_IMMEDIATE_NOTIFY:
4013		inot = (struct ccb_immediate_notify *) ccb;
4014		ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] INOT for 0x%x seen in %s\n", inot->tag_id, inot->seq_id, __func__);
4015		TAILQ_INSERT_TAIL(&softc->inot_queue, &ccb->ccb_h, periph_links.tqe);
4016		xpt_schedule(periph, 1);
4017		break;
4018	case XPT_CONT_TARGET_IO:
4019		atio = ccb->ccb_h.ccb_atio;
4020		KASSERT((ATIO_PPD(atio)->ctio_cnt != 0), ("ctio zero when finishing a CTIO"));
4021		ATIO_PPD(atio)->ctio_cnt--;
4022		if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4023			switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
4024			case CAM_MESSAGE_RECV:
4025				newoff = (ccb->csio.msg_ptr[3] << 24) | (ccb->csio.msg_ptr[4] << 16) | (ccb->csio.msg_ptr[5] << 8) | (ccb->csio.msg_ptr[6]);
4026				ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "[0x%x] got message to return to reset offset to 0x%x at sequence %u\n", atio->tag_id, newoff, CTIO_SEQ(ccb));
4027				ATIO_PPD(atio)->offset = newoff;
4028				ATIO_PPD(atio)->status_sent = 0;
4029				if (ATIO_PPD(atio)->on_queue == 0) {
4030					TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe);
4031					ATIO_PPD(atio)->on_queue = 1;
4032				}
4033				xpt_schedule(periph, 1);
4034				break;
4035			default:
4036				cam_error_print(ccb, CAM_ESF_ALL, CAM_EPF_ALL);
4037				xpt_action((union ccb *)atio);
4038				break;
4039			}
4040		} else if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
4041			ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] MID CTIO sequence %u seen in %s\n", atio->tag_id, CTIO_SEQ(ccb), __func__);
4042			if (ATIO_PPD(atio)->status_sent == 0 && ATIO_PPD(atio)->on_queue == 0) {
4043				TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe);
4044				ATIO_PPD(atio)->on_queue = 1;
4045			}
4046			xpt_schedule(periph, 1);
4047		} else {
4048			KASSERT((ATIO_PPD(atio)->ctio_cnt == 0), ("ctio count still %d when we think we've sent the STATUS ctio", ATIO_PPD(atio)->ctio_cnt));
4049			ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] FINAL CTIO sequence %u seen in %s\n", atio->tag_id, CTIO_SEQ(ccb), __func__);
4050			xpt_action((union ccb *)atio);
4051		}
4052		if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4053			cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0);
4054			ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
4055		}
4056		xpt_release_ccb(ccb);
4057		break;
4058	case XPT_NOTIFY_ACKNOWLEDGE:
4059		if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4060			cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0);
4061			ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
4062		}
4063		inot = ccb->ccb_h.ccb_inot;
4064		ISP_PATH_PRT(isp, ISP_LOGTDEBUG1, inot->ccb_h.path, "[0x%x] recycle notify for tag 0x%x\n", inot->tag_id, inot->seq_id);
4065		xpt_release_ccb(ccb);
4066		xpt_action((union ccb *)inot);
4067		break;
4068	default:
4069		xpt_print(ccb->ccb_h.path, "unexpected code 0x%x\n", ccb->ccb_h.func_code);
4070		break;
4071	}
4072}
4073
4074static void
4075isptargasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg)
4076{
4077	struct ac_contract *acp = arg;
4078	struct ac_device_changed *fc = (struct ac_device_changed *) acp->contract_data;
4079
4080	if (code != AC_CONTRACT) {
4081		return;
4082	}
4083	xpt_print(path, "0x%016llx Port ID 0x%06x %s\n", (unsigned long long) fc->wwpn, fc->port, fc->arrived? "arrived" : "departed");
4084}
4085
4086static void
4087isp_target_thread(ispsoftc_t *isp, int chan)
4088{
4089	union ccb *ccb = NULL;
4090	int i;
4091	void *wchan;
4092	cam_status status;
4093	struct isptarg_softc *softc = NULL;
4094	struct cam_periph *periph = NULL, *wperiph = NULL;
4095	struct cam_path *path, *wpath;
4096	struct cam_sim *sim;
4097
4098	if (disk_data == NULL) {
4099		disk_size = roundup2(vm_kmem_size >> 1, (1ULL << 20));
4100		if (disk_size < (50 << 20)) {
4101			disk_size = 50 << 20;
4102		}
4103		disk_data = malloc(disk_size, M_ISPTARG, M_WAITOK | M_ZERO);
4104		if (disk_data == NULL) {
4105			isp_prt(isp, ISP_LOGERR, "%s: could not allocate disk data", __func__);
4106			goto out;
4107		}
4108		isp_prt(isp, ISP_LOGINFO, "allocated a %ju MiB disk", (uintmax_t) (disk_size >> 20));
4109	}
4110	junk_data = malloc(JUNK_SIZE, M_ISPTARG, M_WAITOK | M_ZERO);
4111	if (junk_data == NULL) {
4112		isp_prt(isp, ISP_LOGERR, "%s: could not allocate junk", __func__);
4113		goto out;
4114	}
4115
4116
4117	softc = malloc(sizeof (*softc), M_ISPTARG, M_WAITOK | M_ZERO);
4118	if (softc == NULL) {
4119		isp_prt(isp, ISP_LOGERR, "%s: could not allocate softc", __func__);
4120		goto out;
4121	}
4122	TAILQ_INIT(&softc->work_queue);
4123	TAILQ_INIT(&softc->rework_queue);
4124	TAILQ_INIT(&softc->running_queue);
4125	TAILQ_INIT(&softc->inot_queue);
4126	softc->isp = isp;
4127
4128	periphdriver_register(&isptargdriver);
4129	ISP_GET_PC(isp, chan, sim, sim);
4130	ISP_GET_PC(isp, chan, path,  path);
4131	status = xpt_create_path_unlocked(&wpath, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
4132	if (status != CAM_REQ_CMP) {
4133		isp_prt(isp, ISP_LOGERR, "%s: could not allocate wildcard path", __func__);
4134		return;
4135	}
4136	status = xpt_create_path_unlocked(&path, NULL, cam_sim_path(sim), 0, 0);
4137	if (status != CAM_REQ_CMP) {
4138		xpt_free_path(wpath);
4139		isp_prt(isp, ISP_LOGERR, "%s: could not allocate path", __func__);
4140		return;
4141	}
4142
4143	ccb = xpt_alloc_ccb();
4144
4145	ISP_LOCK(isp);
4146	status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, wpath, NULL, 0, softc);
4147	if (status != CAM_REQ_CMP) {
4148		ISP_UNLOCK(isp);
4149		isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc for wildcard failed", __func__);
4150		goto out;
4151	}
4152	wperiph = cam_periph_find(wpath, "isptarg");
4153	if (wperiph == NULL) {
4154		ISP_UNLOCK(isp);
4155		isp_prt(isp, ISP_LOGERR, "%s: wildcard periph already allocated but doesn't exist", __func__);
4156		goto out;
4157	}
4158
4159	status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, path, NULL, 0, softc);
4160	if (status != CAM_REQ_CMP) {
4161		ISP_UNLOCK(isp);
4162		isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc failed", __func__);
4163		goto out;
4164	}
4165
4166	periph = cam_periph_find(path, "isptarg");
4167	if (periph == NULL) {
4168		ISP_UNLOCK(isp);
4169		isp_prt(isp, ISP_LOGERR, "%s: periph already allocated but doesn't exist", __func__);
4170		goto out;
4171	}
4172
4173	status = xpt_register_async(AC_CONTRACT, isptargasync, isp, wpath);
4174	if (status != CAM_REQ_CMP) {
4175		ISP_UNLOCK(isp);
4176		isp_prt(isp, ISP_LOGERR, "%s: xpt_register_async failed", __func__);
4177		goto out;
4178	}
4179
4180	ISP_UNLOCK(isp);
4181
4182	ccb = xpt_alloc_ccb();
4183
4184	/*
4185	 * Make sure role is none.
4186	 */
4187	xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
4188	ccb->ccb_h.func_code = XPT_SET_SIM_KNOB;
4189	ccb->knob.xport_specific.fc.role = KNOB_ROLE_NONE;
4190	ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE;
4191
4192	ISP_LOCK(isp);
4193	xpt_action(ccb);
4194	ISP_UNLOCK(isp);
4195
4196	/*
4197	 * Now enable luns
4198	 */
4199	xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
4200	ccb->ccb_h.func_code = XPT_EN_LUN;
4201	ccb->cel.enable = 1;
4202	ISP_LOCK(isp);
4203	xpt_action(ccb);
4204	ISP_UNLOCK(isp);
4205	if (ccb->ccb_h.status != CAM_REQ_CMP) {
4206		xpt_free_ccb(ccb);
4207		xpt_print(periph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status);
4208		goto out;
4209	}
4210
4211	xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 10);
4212	ccb->ccb_h.func_code = XPT_EN_LUN;
4213	ccb->cel.enable = 1;
4214	ISP_LOCK(isp);
4215	xpt_action(ccb);
4216	ISP_UNLOCK(isp);
4217	if (ccb->ccb_h.status != CAM_REQ_CMP) {
4218		xpt_free_ccb(ccb);
4219		xpt_print(wperiph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status);
4220		goto out;
4221	}
4222	xpt_free_ccb(ccb);
4223
4224	/*
4225	 * Add resources
4226	 */
4227	ISP_GET_PC_ADDR(isp, chan, target_proc, wchan);
4228	for (i = 0; i < 4; i++) {
4229		ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO);
4230		xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1);
4231		ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO;
4232		ccb->ccb_h.cbfcnp = isptarg_done;
4233		ccb->ccb_h.ppriv_ptr0 = malloc(sizeof (ppd_t), M_ISPTARG, M_WAITOK | M_ZERO);
4234		ISP_LOCK(isp);
4235		xpt_action(ccb);
4236		ISP_UNLOCK(isp);
4237	}
4238	for (i = 0; i < NISP_TARG_CMDS; i++) {
4239		ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO);
4240		xpt_setup_ccb(&ccb->ccb_h, periph->path, 1);
4241		ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO;
4242		ccb->ccb_h.cbfcnp = isptarg_done;
4243		ccb->ccb_h.ppriv_ptr0 = malloc(sizeof (ppd_t), M_ISPTARG, M_WAITOK | M_ZERO);
4244		ISP_LOCK(isp);
4245		xpt_action(ccb);
4246		ISP_UNLOCK(isp);
4247	}
4248	for (i = 0; i < 4; i++) {
4249		ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO);
4250		xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1);
4251		ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY;
4252		ccb->ccb_h.cbfcnp = isptarg_done;
4253		ISP_LOCK(isp);
4254		xpt_action(ccb);
4255		ISP_UNLOCK(isp);
4256	}
4257	for (i = 0; i < NISP_TARG_NOTIFIES; i++) {
4258		ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO);
4259		xpt_setup_ccb(&ccb->ccb_h, periph->path, 1);
4260		ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY;
4261		ccb->ccb_h.cbfcnp = isptarg_done;
4262		ISP_LOCK(isp);
4263		xpt_action(ccb);
4264		ISP_UNLOCK(isp);
4265	}
4266
4267	/*
4268	 * Now turn it all back on
4269	 */
4270	xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
4271	ccb->ccb_h.func_code = XPT_SET_SIM_KNOB;
4272	ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE;
4273	ccb->knob.xport_specific.fc.role = KNOB_ROLE_TARGET;
4274	ISP_LOCK(isp);
4275	xpt_action(ccb);
4276	ISP_UNLOCK(isp);
4277
4278	/*
4279	 * Okay, while things are still active, sleep...
4280	 */
4281	ISP_LOCK(isp);
4282	for (;;) {
4283		ISP_GET_PC(isp, chan, proc_active, i);
4284		if (i == 0) {
4285			break;
4286		}
4287		msleep(wchan, &isp->isp_lock, PUSER, "tsnooze", 0);
4288	}
4289	ISP_UNLOCK(isp);
4290
4291out:
4292	if (wperiph) {
4293		cam_periph_invalidate(wperiph);
4294	}
4295	if (periph) {
4296		cam_periph_invalidate(periph);
4297	}
4298	if (junk_data) {
4299		free(junk_data, M_ISPTARG);
4300	}
4301	if (disk_data) {
4302		free(disk_data, M_ISPTARG);
4303	}
4304	if (softc) {
4305		free(softc, M_ISPTARG);
4306	}
4307	xpt_free_path(path);
4308	xpt_free_path(wpath);
4309}
4310
4311static void
4312isp_target_thread_pi(void *arg)
4313{
4314	struct isp_spi *pi = arg;
4315	isp_target_thread(cam_sim_softc(pi->sim), cam_sim_bus(pi->sim));
4316}
4317
4318static void
4319isp_target_thread_fc(void *arg)
4320{
4321	struct isp_fc *fc = arg;
4322	isp_target_thread(cam_sim_softc(fc->sim), cam_sim_bus(fc->sim));
4323}
4324
4325static int
4326isptarg_rwparm(uint8_t *cdb, uint8_t *dp, uint64_t dl, uint32_t offset, uint8_t **kp, uint32_t *tl, int *lp)
4327{
4328	uint32_t cnt, curcnt;
4329	uint64_t lba;
4330
4331	switch (cdb[0]) {
4332	case WRITE_16:
4333	case READ_16:
4334		cnt =	(((uint32_t)cdb[10]) <<  24) |
4335			(((uint32_t)cdb[11]) <<  16) |
4336			(((uint32_t)cdb[12]) <<   8) |
4337			((uint32_t)cdb[13]);
4338
4339		lba =	(((uint64_t)cdb[2]) << 56) |
4340			(((uint64_t)cdb[3]) << 48) |
4341			(((uint64_t)cdb[4]) << 40) |
4342			(((uint64_t)cdb[5]) << 32) |
4343			(((uint64_t)cdb[6]) << 24) |
4344			(((uint64_t)cdb[7]) << 16) |
4345			(((uint64_t)cdb[8]) <<  8) |
4346			((uint64_t)cdb[9]);
4347		break;
4348	case WRITE_12:
4349	case READ_12:
4350		cnt =	(((uint32_t)cdb[6]) <<  16) |
4351			(((uint32_t)cdb[7]) <<   8) |
4352			((u_int32_t)cdb[8]);
4353
4354		lba =	(((uint32_t)cdb[2]) << 24) |
4355			(((uint32_t)cdb[3]) << 16) |
4356			(((uint32_t)cdb[4]) <<  8) |
4357			((uint32_t)cdb[5]);
4358		break;
4359	case WRITE_10:
4360	case READ_10:
4361		cnt =	(((uint32_t)cdb[7]) <<  8) |
4362			((u_int32_t)cdb[8]);
4363
4364		lba =	(((uint32_t)cdb[2]) << 24) |
4365			(((uint32_t)cdb[3]) << 16) |
4366			(((uint32_t)cdb[4]) <<  8) |
4367			((uint32_t)cdb[5]);
4368		break;
4369	case WRITE_6:
4370	case READ_6:
4371		cnt = cdb[4];
4372		if (cnt == 0) {
4373			cnt = 256;
4374		}
4375		lba =	(((uint32_t)cdb[1] & 0x1f) << 16) |
4376			(((uint32_t)cdb[2]) << 8) |
4377			((uint32_t)cdb[3]);
4378		break;
4379	default:
4380		return (-1);
4381	}
4382
4383	cnt <<= DISK_SHIFT;
4384	lba <<= DISK_SHIFT;
4385
4386	if (offset == cnt) {
4387		*lp = 1;
4388		return (0);
4389	}
4390
4391	if (lba + cnt > dl) {
4392		return (-2);
4393	}
4394
4395	curcnt = MAX_ISP_TARG_TRANSFER;
4396	if (offset + curcnt >= cnt) {
4397		curcnt = cnt - offset;
4398		*lp = 1;
4399	} else {
4400		*lp = 0;
4401	}
4402#ifdef	ISP_MULTI_CCBS
4403	if (curcnt > MULTI_CCB_DATA_LIM)
4404		curcnt = MULTI_CCB_DATA_LIM;
4405#endif
4406	*tl = curcnt;
4407	*kp = &dp[lba + offset];
4408	return (0);
4409}
4410
4411#endif
4412#endif
4413
4414static void
4415isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg)
4416{
4417	struct cam_sim *sim;
4418	int bus, tgt;
4419	ispsoftc_t *isp;
4420
4421	sim = (struct cam_sim *)cbarg;
4422	isp = (ispsoftc_t *) cam_sim_softc(sim);
4423	bus = cam_sim_bus(sim);
4424	tgt = xpt_path_target_id(path);
4425
4426	switch (code) {
4427	case AC_LOST_DEVICE:
4428		if (IS_SCSI(isp)) {
4429			uint16_t oflags, nflags;
4430			sdparam *sdp = SDPARAM(isp, bus);
4431
4432			if (tgt >= 0) {
4433				nflags = sdp->isp_devparam[tgt].nvrm_flags;
4434#ifndef	ISP_TARGET_MODE
4435				nflags &= DPARM_SAFE_DFLT;
4436				if (isp->isp_loaded_fw) {
4437					nflags |= DPARM_NARROW | DPARM_ASYNC;
4438				}
4439#else
4440				nflags = DPARM_DEFAULT;
4441#endif
4442				oflags = sdp->isp_devparam[tgt].goal_flags;
4443				sdp->isp_devparam[tgt].goal_flags = nflags;
4444				sdp->isp_devparam[tgt].dev_update = 1;
4445				sdp->update = 1;
4446				(void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
4447				sdp->isp_devparam[tgt].goal_flags = oflags;
4448			}
4449		}
4450		break;
4451	default:
4452		isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
4453		break;
4454	}
4455}
4456
4457static void
4458isp_poll(struct cam_sim *sim)
4459{
4460	ispsoftc_t *isp = cam_sim_softc(sim);
4461	uint32_t isr;
4462	uint16_t sema, mbox;
4463
4464	if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
4465		isp_intr(isp, isr, sema, mbox);
4466	}
4467}
4468
4469
4470static void
4471isp_watchdog(void *arg)
4472{
4473	struct ccb_scsiio *xs = arg;
4474	ispsoftc_t *isp;
4475	uint32_t ohandle = ISP_HANDLE_FREE, handle;
4476
4477	isp = XS_ISP(xs);
4478
4479	handle = isp_find_handle(isp, xs);
4480
4481	/*
4482	 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere.
4483	 */
4484	if (handle != ISP_HANDLE_FREE) {
4485		uint32_t isr;
4486		uint16_t sema, mbox;
4487		if (ISP_READ_ISR(isp, &isr, &sema, &mbox) != 0) {
4488			isp_intr(isp, isr, sema, mbox);
4489		}
4490		ohandle = handle;
4491		handle = isp_find_handle(isp, xs);
4492	}
4493	if (handle != ISP_HANDLE_FREE) {
4494		/*
4495		 * Try and make sure the command is really dead before
4496		 * we release the handle (and DMA resources) for reuse.
4497		 *
4498		 * If we are successful in aborting the command then
4499		 * we're done here because we'll get the command returned
4500		 * back separately.
4501		 */
4502		if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
4503			return;
4504		}
4505
4506		/*
4507		 * Note that after calling the above, the command may in
4508		 * fact have been completed.
4509		 */
4510		xs = isp_find_xs(isp, handle);
4511
4512		/*
4513		 * If the command no longer exists, then we won't
4514		 * be able to find the xs again with this handle.
4515		 */
4516		if (xs == NULL) {
4517			return;
4518		}
4519
4520		/*
4521		 * After this point, the command is really dead.
4522		 */
4523		if (XS_XFRLEN(xs)) {
4524			ISP_DMAFREE(isp, xs, handle);
4525		}
4526		isp_destroy_handle(isp, handle);
4527		isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle);
4528		xs->ccb_h.status &= ~CAM_STATUS_MASK;
4529		xs->ccb_h.status |= CAM_CMD_TIMEOUT;
4530		isp_prt_endcmd(isp, xs);
4531		isp_done(xs);
4532	} else {
4533		if (ohandle != ISP_HANDLE_FREE) {
4534			isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle);
4535		} else {
4536			isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__);
4537		}
4538	}
4539}
4540
4541static void
4542isp_make_here(ispsoftc_t *isp, int chan, int tgt)
4543{
4544	union ccb *ccb;
4545	struct isp_fc *fc = ISP_FC_PC(isp, chan);
4546
4547	if (isp_autoconfig == 0) {
4548		return;
4549	}
4550
4551	/*
4552	 * Allocate a CCB, create a wildcard path for this target and schedule a rescan.
4553	 */
4554	ccb = xpt_alloc_ccb_nowait();
4555	if (ccb == NULL) {
4556		isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan);
4557		return;
4558	}
4559	if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim),
4560	    tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
4561		isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan");
4562		xpt_free_ccb(ccb);
4563		return;
4564	}
4565	xpt_rescan(ccb);
4566}
4567
4568static void
4569isp_make_gone(ispsoftc_t *isp, int chan, int tgt)
4570{
4571	struct cam_path *tp;
4572	struct isp_fc *fc = ISP_FC_PC(isp, chan);
4573
4574	if (isp_autoconfig == 0) {
4575		return;
4576	}
4577	if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
4578		xpt_async(AC_LOST_DEVICE, tp, NULL);
4579		xpt_free_path(tp);
4580	}
4581}
4582
4583/*
4584 * Gone Device Timer Function- when we have decided that a device has gone
4585 * away, we wait a specific period of time prior to telling the OS it has
4586 * gone away.
4587 *
4588 * This timer function fires once a second and then scans the port database
4589 * for devices that are marked dead but still have a virtual target assigned.
4590 * We decrement a counter for that port database entry, and when it hits zero,
4591 * we tell the OS the device has gone away.
4592 */
4593static void
4594isp_gdt(void *arg)
4595{
4596	struct isp_fc *fc = arg;
4597	taskqueue_enqueue(taskqueue_thread, &fc->gtask);
4598}
4599
4600static void
4601isp_gdt_task(void *arg, int pending)
4602{
4603	struct isp_fc *fc = arg;
4604	ispsoftc_t *isp = fc->isp;
4605	int chan = fc - isp->isp_osinfo.pc.fc;
4606	fcportdb_t *lp;
4607	int dbidx, tgt, more_to_do = 0;
4608
4609	ISP_LOCK(isp);
4610	isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan);
4611	for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
4612		lp = &FCPARAM(isp, chan)->portdb[dbidx];
4613
4614		if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
4615			continue;
4616		}
4617		if (lp->dev_map_idx == 0 || lp->target_mode) {
4618			continue;
4619		}
4620		if (lp->gone_timer != 0) {
4621			isp_prt(isp, ISP_LOG_SANCFG, "%s: Chan %d more to do for target %u (timer=%u)", __func__, chan, lp->dev_map_idx - 1, lp->gone_timer);
4622			lp->gone_timer -= 1;
4623			more_to_do++;
4624			continue;
4625		}
4626		tgt = lp->dev_map_idx - 1;
4627		FCPARAM(isp, chan)->isp_dev_map[tgt] = 0;
4628		lp->dev_map_idx = 0;
4629		lp->state = FC_PORTDB_STATE_NIL;
4630		isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Gone Device Timeout");
4631		isp_make_gone(isp, chan, tgt);
4632	}
4633	if (fc->ready) {
4634		if (more_to_do) {
4635			callout_reset(&fc->gdt, hz, isp_gdt, fc);
4636		} else {
4637			callout_deactivate(&fc->gdt);
4638			isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime);
4639		}
4640	}
4641	ISP_UNLOCK(isp);
4642}
4643
4644/*
4645 * Loop Down Timer Function- when loop goes down, a timer is started and
4646 * and after it expires we come here and take all probational devices that
4647 * the OS knows about and the tell the OS that they've gone away.
4648 *
4649 * We don't clear the devices out of our port database because, when loop
4650 * come back up, we have to do some actual cleanup with the chip at that
4651 * point (implicit PLOGO, e.g., to get the chip's port database state right).
4652 */
4653static void
4654isp_ldt(void *arg)
4655{
4656	struct isp_fc *fc = arg;
4657	taskqueue_enqueue(taskqueue_thread, &fc->ltask);
4658}
4659
4660static void
4661isp_ldt_task(void *arg, int pending)
4662{
4663	struct isp_fc *fc = arg;
4664	ispsoftc_t *isp = fc->isp;
4665	int chan = fc - isp->isp_osinfo.pc.fc;
4666	fcportdb_t *lp;
4667	int dbidx, tgt, i;
4668
4669	ISP_LOCK(isp);
4670	isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop Down Timer expired @ %lu", chan, (unsigned long) time_uptime);
4671	callout_deactivate(&fc->ldt);
4672
4673	/*
4674	 * Notify to the OS all targets who we now consider have departed.
4675	 */
4676	for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
4677		lp = &FCPARAM(isp, chan)->portdb[dbidx];
4678
4679		if (lp->state != FC_PORTDB_STATE_PROBATIONAL) {
4680			continue;
4681		}
4682		if (lp->dev_map_idx == 0 || lp->target_mode) {
4683			continue;
4684		}
4685
4686		/*
4687		 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST!
4688		 */
4689
4690
4691		for (i = 0; i < isp->isp_maxcmds; i++) {
4692			struct ccb_scsiio *xs;
4693
4694			if (!ISP_VALID_HANDLE(isp, isp->isp_xflist[i].handle)) {
4695				continue;
4696			}
4697			if ((xs = isp->isp_xflist[i].cmd) == NULL) {
4698				continue;
4699                        }
4700			if (dbidx != (FCPARAM(isp, chan)->isp_dev_map[XS_TGT(xs)] - 1)) {
4701				continue;
4702			}
4703			isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%d orphaned by loop down timeout",
4704			    isp->isp_xflist[i].handle, chan, XS_TGT(xs), XS_LUN(xs));
4705		}
4706
4707		/*
4708		 * Mark that we've announced that this device is gone....
4709		 */
4710		lp->announced = 1;
4711
4712		/*
4713		 * but *don't* change the state of the entry. Just clear
4714		 * any target id stuff and announce to CAM that the
4715		 * device is gone. This way any necessary PLOGO stuff
4716		 * will happen when loop comes back up.
4717		 */
4718
4719		tgt = lp->dev_map_idx - 1;
4720		FCPARAM(isp, chan)->isp_dev_map[tgt] = 0;
4721		lp->dev_map_idx = 0;
4722		lp->state = FC_PORTDB_STATE_NIL;
4723		isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Loop Down Timeout");
4724		isp_make_gone(isp, chan, tgt);
4725	}
4726
4727	if (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR) {
4728		isp_unfreeze_loopdown(isp, chan);
4729	}
4730	/*
4731	 * The loop down timer has expired. Wake up the kthread
4732	 * to notice that fact (or make it false).
4733	 */
4734	fc->loop_dead = 1;
4735	fc->loop_down_time = fc->loop_down_limit+1;
4736	wakeup(fc);
4737	ISP_UNLOCK(isp);
4738}
4739
4740static void
4741isp_kthread(void *arg)
4742{
4743	struct isp_fc *fc = arg;
4744	ispsoftc_t *isp = fc->isp;
4745	int chan = fc - isp->isp_osinfo.pc.fc;
4746	int slp = 0;
4747
4748	mtx_lock(&isp->isp_osinfo.lock);
4749
4750	for (;;) {
4751		int lb, lim;
4752
4753		isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d checking FC state", __func__, chan);
4754		lb = isp_fc_runstate(isp, chan, 250000);
4755
4756		/*
4757		 * Our action is different based upon whether we're supporting
4758		 * Initiator mode or not. If we are, we might freeze the simq
4759		 * when loop is down and set all sorts of different delays to
4760		 * check again.
4761		 *
4762		 * If not, we simply just wait for loop to come up.
4763		 */
4764		if (lb && (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR)) {
4765			/*
4766			 * Increment loop down time by the last sleep interval
4767			 */
4768			fc->loop_down_time += slp;
4769
4770			if (lb < 0) {
4771				isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC loop not up (down count %d)", __func__, chan, fc->loop_down_time);
4772			} else {
4773				isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC got to %d (down count %d)", __func__, chan, lb, fc->loop_down_time);
4774			}
4775
4776			/*
4777			 * If we've never seen loop up and we've waited longer
4778			 * than quickboot time, or we've seen loop up but we've
4779			 * waited longer than loop_down_limit, give up and go
4780			 * to sleep until loop comes up.
4781			 */
4782			if (FCPARAM(isp, chan)->loop_seen_once == 0) {
4783				lim = isp_quickboot_time;
4784			} else {
4785				lim = fc->loop_down_limit;
4786			}
4787			if (fc->loop_down_time >= lim) {
4788				isp_freeze_loopdown(isp, chan, "loop limit hit");
4789				slp = 0;
4790			} else if (fc->loop_down_time < 10) {
4791				slp = 1;
4792			} else if (fc->loop_down_time < 30) {
4793				slp = 5;
4794			} else if (fc->loop_down_time < 60) {
4795				slp = 10;
4796			} else if (fc->loop_down_time < 120) {
4797				slp = 20;
4798			} else {
4799				slp = 30;
4800			}
4801
4802		} else if (lb) {
4803			isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC Loop Down", __func__, chan);
4804			fc->loop_down_time += slp;
4805			if (fc->loop_down_time > 300)
4806				slp = 0;
4807			else
4808				slp = 60;
4809		} else {
4810			isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC state OK", __func__, chan);
4811			fc->loop_down_time = 0;
4812			slp = 0;
4813		}
4814
4815
4816		/*
4817		 * If this is past the first loop up or the loop is dead and if we'd frozen the simq, unfreeze it
4818		 * now so that CAM can start sending us commands.
4819		 *
4820		 * If the FC state isn't okay yet, they'll hit that in isp_start which will freeze the queue again
4821		 * or kill the commands, as appropriate.
4822		 */
4823
4824		if (FCPARAM(isp, chan)->loop_seen_once || fc->loop_dead) {
4825			isp_unfreeze_loopdown(isp, chan);
4826		}
4827
4828		isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep time %d", __func__, chan, slp);
4829
4830		msleep(fc, &isp->isp_osinfo.lock, PRIBIO, "ispf", slp * hz);
4831
4832		/*
4833		 * If slp is zero, we're waking up for the first time after
4834		 * things have been okay. In this case, we set a deferral state
4835		 * for all commands and delay hysteresis seconds before starting
4836		 * the FC state evaluation. This gives the loop/fabric a chance
4837		 * to settle.
4838		 */
4839		if (slp == 0 && fc->hysteresis) {
4840			isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep hysteresis ticks %d", __func__, chan, fc->hysteresis * hz);
4841			mtx_unlock(&isp->isp_osinfo.lock);
4842			pause("ispt", fc->hysteresis * hz);
4843			mtx_lock(&isp->isp_osinfo.lock);
4844		}
4845	}
4846	mtx_unlock(&isp->isp_osinfo.lock);
4847}
4848
4849static void
4850isp_action(struct cam_sim *sim, union ccb *ccb)
4851{
4852	int bus, tgt, ts, error, lim;
4853	ispsoftc_t *isp;
4854	struct ccb_trans_settings *cts;
4855
4856	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
4857
4858	isp = (ispsoftc_t *)cam_sim_softc(sim);
4859	mtx_assert(&isp->isp_lock, MA_OWNED);
4860
4861	if (isp->isp_state != ISP_RUNSTATE && ccb->ccb_h.func_code == XPT_SCSI_IO) {
4862		isp_init(isp);
4863		if (isp->isp_state != ISP_INITSTATE) {
4864			/*
4865			 * Lie. Say it was a selection timeout.
4866			 */
4867			ccb->ccb_h.status = CAM_SEL_TIMEOUT | CAM_DEV_QFRZN;
4868			xpt_freeze_devq(ccb->ccb_h.path, 1);
4869			xpt_done(ccb);
4870			return;
4871		}
4872		isp->isp_state = ISP_RUNSTATE;
4873	}
4874	isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
4875	ISP_PCMD(ccb) = NULL;
4876
4877	switch (ccb->ccb_h.func_code) {
4878	case XPT_SCSI_IO:	/* Execute the requested I/O operation */
4879		bus = XS_CHANNEL(ccb);
4880		/*
4881		 * Do a couple of preliminary checks...
4882		 */
4883		if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
4884			if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
4885				ccb->ccb_h.status = CAM_REQ_INVALID;
4886				xpt_done(ccb);
4887				break;
4888			}
4889		}
4890		ccb->csio.req_map = NULL;
4891#ifdef	DIAGNOSTIC
4892		if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) {
4893			xpt_print(ccb->ccb_h.path, "invalid target\n");
4894			ccb->ccb_h.status = CAM_PATH_INVALID;
4895		} else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) {
4896			xpt_print(ccb->ccb_h.path, "invalid lun\n");
4897			ccb->ccb_h.status = CAM_PATH_INVALID;
4898		}
4899		if (ccb->ccb_h.status == CAM_PATH_INVALID) {
4900			xpt_done(ccb);
4901			break;
4902		}
4903#endif
4904		ccb->csio.scsi_status = SCSI_STATUS_OK;
4905		if (isp_get_pcmd(isp, ccb)) {
4906			isp_prt(isp, ISP_LOGWARN, "out of PCMDs");
4907			cam_freeze_devq(ccb->ccb_h.path);
4908			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
4909			xpt_done(ccb);
4910			break;
4911		}
4912		error = isp_start((XS_T *) ccb);
4913		switch (error) {
4914		case CMD_QUEUED:
4915			ccb->ccb_h.status |= CAM_SIM_QUEUED;
4916			if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) {
4917				break;
4918			}
4919			ts = ccb->ccb_h.timeout;
4920			if (ts == CAM_TIME_DEFAULT) {
4921				ts = 60*1000;
4922			}
4923			ts = isp_mstohz(ts);
4924			callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb);
4925			break;
4926		case CMD_RQLATER:
4927			/*
4928			 * We get this result for FC devices if the loop state isn't ready yet
4929			 * or if the device in question has gone zombie on us.
4930			 *
4931			 * If we've never seen Loop UP at all, we requeue this request and wait
4932			 * for the initial loop up delay to expire.
4933			 */
4934			lim = ISP_FC_PC(isp, bus)->loop_down_limit;
4935			if (FCPARAM(isp, bus)->loop_seen_once == 0 || ISP_FC_PC(isp, bus)->loop_down_time >= lim) {
4936				if (FCPARAM(isp, bus)->loop_seen_once == 0) {
4937					isp_prt(isp, ISP_LOGDEBUG0, "%d.%d loop not seen yet @ %lu", XS_TGT(ccb), XS_LUN(ccb), (unsigned long) time_uptime);
4938				} else {
4939					isp_prt(isp, ISP_LOGDEBUG0, "%d.%d downtime (%d) > lim (%d)", XS_TGT(ccb), XS_LUN(ccb), ISP_FC_PC(isp, bus)->loop_down_time, lim);
4940				}
4941				ccb->ccb_h.status = CAM_SEL_TIMEOUT|CAM_DEV_QFRZN;
4942				xpt_freeze_devq(ccb->ccb_h.path, 1);
4943				isp_free_pcmd(isp, ccb);
4944				xpt_done(ccb);
4945				break;
4946			}
4947			isp_prt(isp, ISP_LOGDEBUG0, "%d.%d retry later", XS_TGT(ccb), XS_LUN(ccb));
4948			cam_freeze_devq(ccb->ccb_h.path);
4949			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
4950			ccb->ccb_h.status = CAM_REQUEUE_REQ;
4951			isp_free_pcmd(isp, ccb);
4952			xpt_done(ccb);
4953			break;
4954		case CMD_EAGAIN:
4955			isp_free_pcmd(isp, ccb);
4956			cam_freeze_devq(ccb->ccb_h.path);
4957			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0);
4958			ccb->ccb_h.status = CAM_REQUEUE_REQ;
4959			xpt_done(ccb);
4960			break;
4961		case CMD_COMPLETE:
4962			isp_done((struct ccb_scsiio *) ccb);
4963			break;
4964		default:
4965			isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__);
4966			ccb->ccb_h.status = CAM_REQUEUE_REQ;
4967			isp_free_pcmd(isp, ccb);
4968			xpt_done(ccb);
4969		}
4970		break;
4971
4972#ifdef	ISP_TARGET_MODE
4973	case XPT_EN_LUN:		/* Enable/Disable LUN as a target */
4974		if (ccb->cel.enable) {
4975			isp_enable_lun(isp, ccb);
4976		} else {
4977			isp_disable_lun(isp, ccb);
4978		}
4979		break;
4980	case XPT_IMMED_NOTIFY:
4981	case XPT_IMMEDIATE_NOTIFY:	/* Add Immediate Notify Resource */
4982	case XPT_ACCEPT_TARGET_IO:	/* Add Accept Target IO Resource */
4983	{
4984		tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
4985		if (tptr == NULL) {
4986			tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
4987		}
4988		if (tptr == NULL) {
4989			const char *str;
4990			uint32_t tag;
4991
4992			if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
4993				str = "XPT_IMMEDIATE_NOTIFY";
4994				tag = ccb->cin1.seq_id;
4995			} else {
4996				tag = ccb->atio.tag_id;
4997				str = "XPT_ACCEPT_TARGET_IO";
4998			}
4999			ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] no state pointer found for %s\n", __func__, tag, str);
5000			dump_tstates(isp, XS_CHANNEL(ccb));
5001			ccb->ccb_h.status = CAM_DEV_NOT_THERE;
5002			break;
5003		}
5004		ccb->ccb_h.spriv_field0 = 0;
5005		ccb->ccb_h.spriv_ptr1 = isp;
5006		ccb->ccb_h.flags = 0;
5007
5008		if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
5009			if (ccb->atio.tag_id) {
5010				atio_private_data_t *atp = isp_get_atpd(isp, tptr, ccb->atio.tag_id);
5011				if (atp) {
5012					isp_put_atpd(isp, tptr, atp);
5013				}
5014			}
5015			tptr->atio_count++;
5016			SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle);
5017			ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE ATIO (tag id 0x%x), count now %d\n",
5018			    ccb->atio.tag_id, tptr->atio_count);
5019			ccb->atio.tag_id = 0;
5020		} else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
5021			if (ccb->cin1.tag_id) {
5022				inot_private_data_t *ntp = isp_find_ntpd(isp, tptr, ccb->cin1.tag_id, ccb->cin1.seq_id);
5023				if (ntp) {
5024					isp_put_ntpd(isp, tptr, ntp);
5025				}
5026			}
5027			tptr->inot_count++;
5028			SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
5029			ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n",
5030			    ccb->cin1.seq_id, tptr->inot_count);
5031			ccb->cin1.seq_id = 0;
5032		} else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
5033			tptr->inot_count++;
5034			SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
5035			ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n",
5036			    ccb->cin1.seq_id, tptr->inot_count);
5037			ccb->cin1.seq_id = 0;
5038		}
5039		rls_lun_statep(isp, tptr);
5040		ccb->ccb_h.status = CAM_REQ_INPROG;
5041		break;
5042	}
5043	case XPT_NOTIFY_ACK:
5044		ccb->ccb_h.status = CAM_REQ_CMP_ERR;
5045		break;
5046	case XPT_NOTIFY_ACKNOWLEDGE:		/* notify ack */
5047	{
5048		tstate_t *tptr;
5049		inot_private_data_t *ntp;
5050
5051		/*
5052		 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb
5053		 * XXX: matches that for the immediate notify, we have to *search* for the notify structure
5054		 */
5055		/*
5056		 * All the relevant path information is in the associated immediate notify
5057		 */
5058		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);
5059		ntp = get_ntp_from_tagdata(isp, ccb->cna2.tag_id, ccb->cna2.seq_id, &tptr);
5060		if (ntp == NULL) {
5061			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__,
5062			     ccb->cna2.tag_id, ccb->cna2.seq_id);
5063			ccb->ccb_h.status = CAM_DEV_NOT_THERE;
5064			xpt_done(ccb);
5065			break;
5066		}
5067		if (isp_handle_platform_target_notify_ack(isp, &ntp->rd.nt)) {
5068			rls_lun_statep(isp, tptr);
5069			cam_freeze_devq(ccb->ccb_h.path);
5070			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
5071			ccb->ccb_h.status &= ~CAM_STATUS_MASK;
5072			ccb->ccb_h.status |= CAM_REQUEUE_REQ;
5073			break;
5074		}
5075		isp_put_ntpd(isp, tptr, ntp);
5076		rls_lun_statep(isp, tptr);
5077		ccb->ccb_h.status = CAM_REQ_CMP;
5078		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);
5079		xpt_done(ccb);
5080		break;
5081	}
5082	case XPT_CONT_TARGET_IO:
5083		isp_target_start_ctio(isp, ccb, FROM_CAM);
5084		break;
5085#endif
5086	case XPT_RESET_DEV:		/* BDR the specified SCSI device */
5087
5088		bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
5089		tgt = ccb->ccb_h.target_id;
5090		tgt |= (bus << 16);
5091
5092		error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt);
5093		if (error) {
5094			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
5095		} else {
5096			ccb->ccb_h.status = CAM_REQ_CMP;
5097		}
5098		xpt_done(ccb);
5099		break;
5100	case XPT_ABORT:			/* Abort the specified CCB */
5101	{
5102		union ccb *accb = ccb->cab.abort_ccb;
5103		switch (accb->ccb_h.func_code) {
5104#ifdef	ISP_TARGET_MODE
5105		case XPT_ACCEPT_TARGET_IO:
5106			isp_target_mark_aborted(isp, ccb);
5107			break;
5108#endif
5109		case XPT_SCSI_IO:
5110			error = isp_control(isp, ISPCTL_ABORT_CMD, ccb);
5111			if (error) {
5112				ccb->ccb_h.status = CAM_UA_ABORT;
5113			} else {
5114				ccb->ccb_h.status = CAM_REQ_CMP;
5115			}
5116			break;
5117		default:
5118			ccb->ccb_h.status = CAM_REQ_INVALID;
5119			break;
5120		}
5121		/*
5122		 * This is not a queued CCB, so the caller expects it to be
5123		 * complete when control is returned.
5124		 */
5125		break;
5126	}
5127#define	IS_CURRENT_SETTINGS(c)	(c->type == CTS_TYPE_CURRENT_SETTINGS)
5128	case XPT_SET_TRAN_SETTINGS:	/* Nexus Settings */
5129		cts = &ccb->cts;
5130		if (!IS_CURRENT_SETTINGS(cts)) {
5131			ccb->ccb_h.status = CAM_REQ_INVALID;
5132			xpt_done(ccb);
5133			break;
5134		}
5135		tgt = cts->ccb_h.target_id;
5136		bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
5137		if (IS_SCSI(isp)) {
5138			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
5139			struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
5140			sdparam *sdp = SDPARAM(isp, bus);
5141			uint16_t *dptr;
5142
5143			if (spi->valid == 0 && scsi->valid == 0) {
5144				ccb->ccb_h.status = CAM_REQ_CMP;
5145				xpt_done(ccb);
5146				break;
5147			}
5148
5149			/*
5150			 * We always update (internally) from goal_flags
5151			 * so any request to change settings just gets
5152			 * vectored to that location.
5153			 */
5154			dptr = &sdp->isp_devparam[tgt].goal_flags;
5155
5156			if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
5157				if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
5158					*dptr |= DPARM_DISC;
5159				else
5160					*dptr &= ~DPARM_DISC;
5161			}
5162
5163			if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
5164				if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
5165					*dptr |= DPARM_TQING;
5166				else
5167					*dptr &= ~DPARM_TQING;
5168			}
5169
5170			if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
5171				if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
5172					*dptr |= DPARM_WIDE;
5173				else
5174					*dptr &= ~DPARM_WIDE;
5175			}
5176
5177			/*
5178			 * XXX: FIX ME
5179			 */
5180			if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) {
5181				*dptr |= DPARM_SYNC;
5182				/*
5183				 * XXX: CHECK FOR LEGALITY
5184				 */
5185				sdp->isp_devparam[tgt].goal_period = spi->sync_period;
5186				sdp->isp_devparam[tgt].goal_offset = spi->sync_offset;
5187			} else {
5188				*dptr &= ~DPARM_SYNC;
5189			}
5190			isp_prt(isp, ISP_LOGDEBUG0, "SET (%d.%d.%d) to flags %x off %x per %x", bus, tgt, cts->ccb_h.target_lun, sdp->isp_devparam[tgt].goal_flags,
5191			    sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period);
5192			sdp->isp_devparam[tgt].dev_update = 1;
5193			sdp->update = 1;
5194		}
5195		ccb->ccb_h.status = CAM_REQ_CMP;
5196		xpt_done(ccb);
5197		break;
5198	case XPT_GET_TRAN_SETTINGS:
5199		cts = &ccb->cts;
5200		tgt = cts->ccb_h.target_id;
5201		bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
5202		if (IS_FC(isp)) {
5203			fcparam *fcp = FCPARAM(isp, bus);
5204			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
5205			struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc;
5206			unsigned int hdlidx;
5207
5208			cts->protocol = PROTO_SCSI;
5209			cts->protocol_version = SCSI_REV_2;
5210			cts->transport = XPORT_FC;
5211			cts->transport_version = 0;
5212
5213			scsi->valid = CTS_SCSI_VALID_TQ;
5214			scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
5215			fc->valid = CTS_FC_VALID_SPEED;
5216			fc->bitrate = 100000;
5217			fc->bitrate *= fcp->isp_gbspeed;
5218			hdlidx = fcp->isp_dev_map[tgt] - 1;
5219			if (hdlidx < MAX_FC_TARG) {
5220				fcportdb_t *lp = &fcp->portdb[hdlidx];
5221				fc->wwnn = lp->node_wwn;
5222				fc->wwpn = lp->port_wwn;
5223				fc->port = lp->portid;
5224				fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
5225			}
5226		} else {
5227			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
5228			struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
5229			sdparam *sdp = SDPARAM(isp, bus);
5230			uint16_t dval, pval, oval;
5231
5232			if (IS_CURRENT_SETTINGS(cts)) {
5233				sdp->isp_devparam[tgt].dev_refresh = 1;
5234				sdp->update = 1;
5235				(void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
5236				dval = sdp->isp_devparam[tgt].actv_flags;
5237				oval = sdp->isp_devparam[tgt].actv_offset;
5238				pval = sdp->isp_devparam[tgt].actv_period;
5239			} else {
5240				dval = sdp->isp_devparam[tgt].nvrm_flags;
5241				oval = sdp->isp_devparam[tgt].nvrm_offset;
5242				pval = sdp->isp_devparam[tgt].nvrm_period;
5243			}
5244
5245			cts->protocol = PROTO_SCSI;
5246			cts->protocol_version = SCSI_REV_2;
5247			cts->transport = XPORT_SPI;
5248			cts->transport_version = 2;
5249
5250			spi->valid = 0;
5251			scsi->valid = 0;
5252			spi->flags = 0;
5253			scsi->flags = 0;
5254			if (dval & DPARM_DISC) {
5255				spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
5256			}
5257			if ((dval & DPARM_SYNC) && oval && pval) {
5258				spi->sync_offset = oval;
5259				spi->sync_period = pval;
5260			} else {
5261				spi->sync_offset = 0;
5262				spi->sync_period = 0;
5263			}
5264			spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
5265			spi->valid |= CTS_SPI_VALID_SYNC_RATE;
5266			spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
5267			if (dval & DPARM_WIDE) {
5268				spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
5269			} else {
5270				spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
5271			}
5272			if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
5273				scsi->valid = CTS_SCSI_VALID_TQ;
5274				if (dval & DPARM_TQING) {
5275					scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
5276				}
5277				spi->valid |= CTS_SPI_VALID_DISC;
5278			}
5279			isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%d) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
5280			    bus, tgt, cts->ccb_h.target_lun, dval, oval, pval);
5281		}
5282		ccb->ccb_h.status = CAM_REQ_CMP;
5283		xpt_done(ccb);
5284		break;
5285
5286	case XPT_CALC_GEOMETRY:
5287		cam_calc_geometry(&ccb->ccg, 1);
5288		xpt_done(ccb);
5289		break;
5290
5291	case XPT_RESET_BUS:		/* Reset the specified bus */
5292		bus = cam_sim_bus(sim);
5293		error = isp_control(isp, ISPCTL_RESET_BUS, bus);
5294		if (error) {
5295			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
5296			xpt_done(ccb);
5297			break;
5298		}
5299		if (bootverbose) {
5300			xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus);
5301		}
5302		if (IS_FC(isp)) {
5303			xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0);
5304		} else {
5305			xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0);
5306		}
5307		ccb->ccb_h.status = CAM_REQ_CMP;
5308		xpt_done(ccb);
5309		break;
5310
5311	case XPT_TERM_IO:		/* Terminate the I/O process */
5312		ccb->ccb_h.status = CAM_REQ_INVALID;
5313		xpt_done(ccb);
5314		break;
5315
5316	case XPT_SET_SIM_KNOB:		/* Set SIM knobs */
5317	{
5318		struct ccb_sim_knob *kp = &ccb->knob;
5319		fcparam *fcp;
5320
5321		if (!IS_FC(isp)) {
5322			ccb->ccb_h.status = CAM_REQ_INVALID;
5323			xpt_done(ccb);
5324			break;
5325		}
5326
5327		bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
5328		fcp = FCPARAM(isp, bus);
5329
5330		if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) {
5331			fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn;
5332			fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn;
5333			isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn);
5334		}
5335		ccb->ccb_h.status = CAM_REQ_CMP;
5336		if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) {
5337			int rchange = 0;
5338			int newrole = 0;
5339
5340			switch (kp->xport_specific.fc.role) {
5341			case KNOB_ROLE_NONE:
5342				if (fcp->role != ISP_ROLE_NONE) {
5343					rchange = 1;
5344					newrole = ISP_ROLE_NONE;
5345				}
5346				break;
5347			case KNOB_ROLE_TARGET:
5348				if (fcp->role != ISP_ROLE_TARGET) {
5349					rchange = 1;
5350					newrole = ISP_ROLE_TARGET;
5351				}
5352				break;
5353			case KNOB_ROLE_INITIATOR:
5354				if (fcp->role != ISP_ROLE_INITIATOR) {
5355					rchange = 1;
5356					newrole = ISP_ROLE_INITIATOR;
5357				}
5358				break;
5359			case KNOB_ROLE_BOTH:
5360#if 0
5361				if (fcp->role != ISP_ROLE_BOTH) {
5362					rchange = 1;
5363					newrole = ISP_ROLE_BOTH;
5364				}
5365#else
5366				/*
5367				 * We don't really support dual role at present on FC cards.
5368				 *
5369				 * We should, but a bunch of things are currently broken,
5370				 * so don't allow it.
5371				 */
5372				isp_prt(isp, ISP_LOGERR, "cannot support dual role at present");
5373				ccb->ccb_h.status = CAM_REQ_INVALID;
5374#endif
5375				break;
5376			}
5377			if (rchange) {
5378				ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole);
5379#ifdef	ISP_TARGET_MODE
5380				ISP_SET_PC(isp, bus, tm_enabled, 0);
5381				ISP_SET_PC(isp, bus, tm_luns_enabled, 0);
5382#endif
5383				if (isp_fc_change_role(isp, bus, newrole) != 0) {
5384					ccb->ccb_h.status = CAM_REQ_CMP_ERR;
5385					xpt_done(ccb);
5386					break;
5387				}
5388#ifdef	ISP_TARGET_MODE
5389				if (newrole == ISP_ROLE_TARGET || newrole == ISP_ROLE_BOTH) {
5390					/*
5391					 * Give the new role a chance to complain and settle
5392					 */
5393					msleep(isp, &isp->isp_lock, PRIBIO, "taking a breather", 2);
5394					ccb->ccb_h.status = isp_enable_deferred_luns(isp, bus);
5395				}
5396#endif
5397			}
5398		}
5399		xpt_done(ccb);
5400		break;
5401	}
5402	case XPT_GET_SIM_KNOB:		/* Get SIM knobs */
5403	{
5404		struct ccb_sim_knob *kp = &ccb->knob;
5405
5406		if (IS_FC(isp)) {
5407			fcparam *fcp;
5408
5409			bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
5410			fcp = FCPARAM(isp, bus);
5411
5412			kp->xport_specific.fc.wwnn = fcp->isp_wwnn;
5413			kp->xport_specific.fc.wwpn = fcp->isp_wwpn;
5414			switch (fcp->role) {
5415			case ISP_ROLE_NONE:
5416				kp->xport_specific.fc.role = KNOB_ROLE_NONE;
5417				break;
5418			case ISP_ROLE_TARGET:
5419				kp->xport_specific.fc.role = KNOB_ROLE_TARGET;
5420				break;
5421			case ISP_ROLE_INITIATOR:
5422				kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR;
5423				break;
5424			case ISP_ROLE_BOTH:
5425				kp->xport_specific.fc.role = KNOB_ROLE_BOTH;
5426				break;
5427			}
5428			kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE;
5429			ccb->ccb_h.status = CAM_REQ_CMP;
5430		} else {
5431			ccb->ccb_h.status = CAM_REQ_INVALID;
5432		}
5433		xpt_done(ccb);
5434		break;
5435	}
5436	case XPT_PATH_INQ:		/* Path routing inquiry */
5437	{
5438		struct ccb_pathinq *cpi = &ccb->cpi;
5439
5440		cpi->version_num = 1;
5441#ifdef	ISP_TARGET_MODE
5442		cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
5443#else
5444		cpi->target_sprt = 0;
5445#endif
5446		cpi->hba_eng_cnt = 0;
5447		cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
5448		cpi->max_lun = ISP_MAX_LUNS(isp) - 1;
5449		cpi->bus_id = cam_sim_bus(sim);
5450		if (isp->isp_osinfo.sixtyfourbit)
5451			cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE;
5452		else
5453			cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE;
5454
5455		bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
5456		if (IS_FC(isp)) {
5457			fcparam *fcp = FCPARAM(isp, bus);
5458
5459			cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
5460
5461			/*
5462			 * Because our loop ID can shift from time to time,
5463			 * make our initiator ID out of range of our bus.
5464			 */
5465			cpi->initiator_id = cpi->max_target + 1;
5466
5467			/*
5468			 * Set base transfer capabilities for Fibre Channel, for this HBA.
5469			 */
5470			if (IS_25XX(isp)) {
5471				cpi->base_transfer_speed = 8000000;
5472			} else if (IS_24XX(isp)) {
5473				cpi->base_transfer_speed = 4000000;
5474			} else if (IS_23XX(isp)) {
5475				cpi->base_transfer_speed = 2000000;
5476			} else {
5477				cpi->base_transfer_speed = 1000000;
5478			}
5479			cpi->hba_inquiry = PI_TAG_ABLE;
5480			cpi->transport = XPORT_FC;
5481			cpi->transport_version = 0;
5482			cpi->xport_specific.fc.wwnn = fcp->isp_wwnn;
5483			cpi->xport_specific.fc.wwpn = fcp->isp_wwpn;
5484			cpi->xport_specific.fc.port = fcp->isp_portid;
5485			cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000;
5486		} else {
5487			sdparam *sdp = SDPARAM(isp, bus);
5488			cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
5489			cpi->hba_misc = PIM_UNMAPPED;
5490			cpi->initiator_id = sdp->isp_initiator_id;
5491			cpi->base_transfer_speed = 3300;
5492			cpi->transport = XPORT_SPI;
5493			cpi->transport_version = 2;
5494		}
5495		cpi->protocol = PROTO_SCSI;
5496		cpi->protocol_version = SCSI_REV_2;
5497		strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
5498		strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
5499		strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
5500		cpi->unit_number = cam_sim_unit(sim);
5501		cpi->ccb_h.status = CAM_REQ_CMP;
5502		xpt_done(ccb);
5503		break;
5504	}
5505	default:
5506		ccb->ccb_h.status = CAM_REQ_INVALID;
5507		xpt_done(ccb);
5508		break;
5509	}
5510}
5511
5512#define	ISPDDB	(CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB)
5513
5514void
5515isp_done(XS_T *sccb)
5516{
5517	ispsoftc_t *isp = XS_ISP(sccb);
5518	uint32_t status;
5519
5520	if (XS_NOERR(sccb))
5521		XS_SETERR(sccb, CAM_REQ_CMP);
5522
5523	if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) {
5524		sccb->ccb_h.status &= ~CAM_STATUS_MASK;
5525		if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
5526			sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
5527		} else {
5528			sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
5529		}
5530	}
5531
5532	sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
5533	status = sccb->ccb_h.status & CAM_STATUS_MASK;
5534	if (status != CAM_REQ_CMP) {
5535		if (status != CAM_SEL_TIMEOUT)
5536			isp_prt(isp, ISP_LOGDEBUG0, "target %d lun %d CAM status 0x%x SCSI status 0x%x", XS_TGT(sccb), XS_LUN(sccb), sccb->ccb_h.status, sccb->scsi_status);
5537		if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
5538			sccb->ccb_h.status |= CAM_DEV_QFRZN;
5539			xpt_freeze_devq(sccb->ccb_h.path, 1);
5540		}
5541	}
5542
5543	if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) && (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5544		xpt_print(sccb->ccb_h.path, "cam completion status 0x%x\n", sccb->ccb_h.status);
5545	}
5546
5547	if (callout_active(&PISP_PCMD(sccb)->wdog))
5548		callout_stop(&PISP_PCMD(sccb)->wdog);
5549	isp_free_pcmd(isp, (union ccb *) sccb);
5550	xpt_done((union ccb *) sccb);
5551}
5552
5553void
5554isp_async(ispsoftc_t *isp, ispasync_t cmd, ...)
5555{
5556	int bus;
5557	static const char prom0[] = "Chan %d PortID 0x%06x handle 0x%x %s %s WWPN 0x%08x%08x";
5558	static const char prom2[] = "Chan %d PortID 0x%06x handle 0x%x %s %s tgt %u WWPN 0x%08x%08x";
5559	char buf[64];
5560	char *msg = NULL;
5561	target_id_t tgt;
5562	fcportdb_t *lp;
5563	struct isp_fc *fc;
5564	struct cam_path *tmppath;
5565	va_list ap;
5566
5567	switch (cmd) {
5568	case ISPASYNC_NEW_TGT_PARAMS:
5569	{
5570		struct ccb_trans_settings_scsi *scsi;
5571		struct ccb_trans_settings_spi *spi;
5572		int flags, tgt;
5573		sdparam *sdp;
5574		struct ccb_trans_settings cts;
5575
5576		memset(&cts, 0, sizeof (struct ccb_trans_settings));
5577
5578		va_start(ap, cmd);
5579		bus = va_arg(ap, int);
5580		tgt = va_arg(ap, int);
5581		va_end(ap);
5582		sdp = SDPARAM(isp, bus);
5583
5584		if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
5585			isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus);
5586			break;
5587		}
5588		flags = sdp->isp_devparam[tgt].actv_flags;
5589		cts.type = CTS_TYPE_CURRENT_SETTINGS;
5590		cts.protocol = PROTO_SCSI;
5591		cts.transport = XPORT_SPI;
5592
5593		scsi = &cts.proto_specific.scsi;
5594		spi = &cts.xport_specific.spi;
5595
5596		if (flags & DPARM_TQING) {
5597			scsi->valid |= CTS_SCSI_VALID_TQ;
5598			scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
5599		}
5600
5601		if (flags & DPARM_DISC) {
5602			spi->valid |= CTS_SPI_VALID_DISC;
5603			spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
5604		}
5605		spi->flags |= CTS_SPI_VALID_BUS_WIDTH;
5606		if (flags & DPARM_WIDE) {
5607			spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
5608		} else {
5609			spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
5610		}
5611		if (flags & DPARM_SYNC) {
5612			spi->valid |= CTS_SPI_VALID_SYNC_RATE;
5613			spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
5614			spi->sync_period = sdp->isp_devparam[tgt].actv_period;
5615			spi->sync_offset = sdp->isp_devparam[tgt].actv_offset;
5616		}
5617		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);
5618		xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
5619		xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
5620		xpt_free_path(tmppath);
5621		break;
5622	}
5623	case ISPASYNC_BUS_RESET:
5624	{
5625		va_start(ap, cmd);
5626		bus = va_arg(ap, int);
5627		va_end(ap);
5628		isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus);
5629		if (IS_FC(isp)) {
5630			xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL);
5631		} else {
5632			xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL);
5633		}
5634		break;
5635	}
5636	case ISPASYNC_LIP:
5637		if (msg == NULL) {
5638			msg = "LIP Received";
5639		}
5640		/* FALLTHROUGH */
5641	case ISPASYNC_LOOP_RESET:
5642		if (msg == NULL) {
5643			msg = "LOOP Reset";
5644		}
5645		/* FALLTHROUGH */
5646	case ISPASYNC_LOOP_DOWN:
5647	{
5648		if (msg == NULL) {
5649			msg = "LOOP Down";
5650		}
5651		va_start(ap, cmd);
5652		bus = va_arg(ap, int);
5653		va_end(ap);
5654
5655		FCPARAM(isp, bus)->link_active = 0;
5656
5657		fc = ISP_FC_PC(isp, bus);
5658		if (cmd == ISPASYNC_LOOP_DOWN && fc->ready) {
5659			/*
5660			 * We don't do any simq freezing if we are only in target mode
5661			 */
5662			if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) {
5663				if (fc->path) {
5664					isp_freeze_loopdown(isp, bus, msg);
5665				}
5666				if (!callout_active(&fc->ldt)) {
5667					callout_reset(&fc->ldt, fc->loop_down_limit * hz, isp_ldt, fc);
5668					isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Loop Down Timer @ %lu", (unsigned long) time_uptime);
5669				}
5670			}
5671		}
5672		isp_prt(isp, ISP_LOGINFO, "Chan %d: %s", bus, msg);
5673		break;
5674	}
5675	case ISPASYNC_LOOP_UP:
5676		va_start(ap, cmd);
5677		bus = va_arg(ap, int);
5678		va_end(ap);
5679		fc = ISP_FC_PC(isp, bus);
5680		/*
5681		 * Now we just note that Loop has come up. We don't
5682		 * actually do anything because we're waiting for a
5683		 * Change Notify before activating the FC cleanup
5684		 * thread to look at the state of the loop again.
5685		 */
5686		FCPARAM(isp, bus)->link_active = 1;
5687		fc->loop_dead = 0;
5688		fc->loop_down_time = 0;
5689		isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus);
5690		break;
5691	case ISPASYNC_DEV_ARRIVED:
5692		va_start(ap, cmd);
5693		bus = va_arg(ap, int);
5694		lp = va_arg(ap, fcportdb_t *);
5695		va_end(ap);
5696		fc = ISP_FC_PC(isp, bus);
5697		lp->announced = 0;
5698		lp->gone_timer = 0;
5699		if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) {
5700			int dbidx = lp - FCPARAM(isp, bus)->portdb;
5701			int i;
5702
5703			for (i = 0; i < MAX_FC_TARG; i++) {
5704				if (i >= FL_ID && i <= SNS_ID) {
5705					continue;
5706				}
5707				if (FCPARAM(isp, bus)->isp_dev_map[i] == 0) {
5708					break;
5709				}
5710			}
5711			if (i < MAX_FC_TARG) {
5712				FCPARAM(isp, bus)->isp_dev_map[i] = dbidx + 1;
5713				lp->dev_map_idx = i + 1;
5714			} else {
5715				isp_prt(isp, ISP_LOGWARN, "out of target ids");
5716				isp_dump_portdb(isp, bus);
5717			}
5718		}
5719		isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5720		if (lp->dev_map_idx) {
5721			tgt = lp->dev_map_idx - 1;
5722			isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "arrived at", tgt, (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5723			isp_make_here(isp, bus, tgt);
5724		} else {
5725			isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "arrived", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5726		}
5727		break;
5728	case ISPASYNC_DEV_CHANGED:
5729		va_start(ap, cmd);
5730		bus = va_arg(ap, int);
5731		lp = va_arg(ap, fcportdb_t *);
5732		va_end(ap);
5733		fc = ISP_FC_PC(isp, bus);
5734		lp->announced = 0;
5735		lp->gone_timer = 0;
5736		if (isp_change_is_bad) {
5737			lp->state = FC_PORTDB_STATE_NIL;
5738			if (lp->dev_map_idx) {
5739				tgt = lp->dev_map_idx - 1;
5740				FCPARAM(isp, bus)->isp_dev_map[tgt] = 0;
5741				lp->dev_map_idx = 0;
5742				isp_prt(isp, ISP_LOGCONFIG, prom3, bus, lp->portid, tgt, "change is bad");
5743				isp_make_gone(isp, bus, tgt);
5744			} else {
5745				isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5746				isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "changed and departed",
5747				    (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5748			}
5749		} else {
5750			lp->portid = lp->new_portid;
5751			lp->prli_word3 = lp->new_prli_word3;
5752			isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5753			if (lp->dev_map_idx) {
5754				int t = lp->dev_map_idx - 1;
5755				FCPARAM(isp, bus)->isp_dev_map[t] = (lp - FCPARAM(isp, bus)->portdb) + 1;
5756				tgt = lp->dev_map_idx - 1;
5757				isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "changed at", tgt,
5758				    (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5759			} else {
5760				isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "changed", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5761			}
5762		}
5763		break;
5764	case ISPASYNC_DEV_STAYED:
5765		va_start(ap, cmd);
5766		bus = va_arg(ap, int);
5767		lp = va_arg(ap, fcportdb_t *);
5768		va_end(ap);
5769		isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5770		if (lp->dev_map_idx) {
5771			tgt = lp->dev_map_idx - 1;
5772			isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "stayed at", tgt,
5773		    	    (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5774		} else {
5775			isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "stayed",
5776		    	    (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5777		}
5778		break;
5779	case ISPASYNC_DEV_GONE:
5780		va_start(ap, cmd);
5781		bus = va_arg(ap, int);
5782		lp = va_arg(ap, fcportdb_t *);
5783		va_end(ap);
5784		fc = ISP_FC_PC(isp, bus);
5785		/*
5786		 * If this has a virtual target and we haven't marked it
5787		 * that we're going to have isp_gdt tell the OS it's gone,
5788		 * set the isp_gdt timer running on it.
5789		 *
5790		 * If it isn't marked that isp_gdt is going to get rid of it,
5791		 * announce that it's gone.
5792		 *
5793		 */
5794		isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5795		if (lp->dev_map_idx && lp->announced == 0) {
5796			lp->announced = 1;
5797			lp->state = FC_PORTDB_STATE_ZOMBIE;
5798			lp->gone_timer = ISP_FC_PC(isp, bus)->gone_device_time;
5799			if (fc->ready && !callout_active(&fc->gdt)) {
5800				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);
5801				callout_reset(&fc->gdt, hz, isp_gdt, fc);
5802			}
5803			tgt = lp->dev_map_idx - 1;
5804			isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "gone zombie at", tgt, (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5805		} else if (lp->announced == 0) {
5806			isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "departed", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5807		}
5808		break;
5809	case ISPASYNC_CHANGE_NOTIFY:
5810	{
5811		char *msg;
5812		int evt, nphdl, nlstate, reason;
5813
5814		va_start(ap, cmd);
5815		bus = va_arg(ap, int);
5816		evt = va_arg(ap, int);
5817		if (IS_24XX(isp) && evt == ISPASYNC_CHANGE_PDB) {
5818			nphdl = va_arg(ap, int);
5819			nlstate = va_arg(ap, int);
5820			reason = va_arg(ap, int);
5821		} else {
5822			nphdl = NIL_HANDLE;
5823			nlstate = reason = 0;
5824		}
5825		va_end(ap);
5826		fc = ISP_FC_PC(isp, bus);
5827
5828		if (evt == ISPASYNC_CHANGE_PDB) {
5829			msg = "Chan %d Port Database Changed";
5830		} else if (evt == ISPASYNC_CHANGE_SNS) {
5831			msg = "Chan %d Name Server Database Changed";
5832		} else {
5833			msg = "Chan %d Other Change Notify";
5834		}
5835
5836		/*
5837		 * If the loop down timer is running, cancel it.
5838		 */
5839		if (fc->ready && callout_active(&fc->ldt)) {
5840			isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Stopping Loop Down Timer @ %lu", (unsigned long) time_uptime);
5841			callout_stop(&fc->ldt);
5842		}
5843		isp_prt(isp, ISP_LOGINFO, msg, bus);
5844		if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) {
5845			isp_freeze_loopdown(isp, bus, msg);
5846		}
5847		wakeup(fc);
5848		break;
5849	}
5850#ifdef	ISP_TARGET_MODE
5851	case ISPASYNC_TARGET_NOTIFY:
5852	{
5853		isp_notify_t *notify;
5854		va_start(ap, cmd);
5855		notify = va_arg(ap, isp_notify_t *);
5856		va_end(ap);
5857		switch (notify->nt_ncode) {
5858		case NT_ABORT_TASK:
5859		case NT_ABORT_TASK_SET:
5860		case NT_CLEAR_ACA:
5861		case NT_CLEAR_TASK_SET:
5862		case NT_LUN_RESET:
5863		case NT_TARGET_RESET:
5864			/*
5865			 * These are task management functions.
5866			 */
5867			isp_handle_platform_target_tmf(isp, notify);
5868			break;
5869		case NT_BUS_RESET:
5870		case NT_LIP_RESET:
5871		case NT_LINK_UP:
5872		case NT_LINK_DOWN:
5873			/*
5874			 * No action need be taken here.
5875			 */
5876			break;
5877		case NT_HBA_RESET:
5878			isp_del_all_wwn_entries(isp, ISP_NOCHAN);
5879			break;
5880		case NT_GLOBAL_LOGOUT:
5881		case NT_LOGOUT:
5882			/*
5883			 * This is device arrival/departure notification
5884			 */
5885			isp_handle_platform_target_notify_ack(isp, notify);
5886			break;
5887		case NT_ARRIVED:
5888		{
5889			struct ac_contract ac;
5890			struct ac_device_changed *fc;
5891
5892			ac.contract_number = AC_CONTRACT_DEV_CHG;
5893			fc = (struct ac_device_changed *) ac.contract_data;
5894			fc->wwpn = notify->nt_wwn;
5895			fc->port = notify->nt_sid;
5896			fc->target = notify->nt_nphdl;
5897			fc->arrived = 1;
5898			xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac);
5899			break;
5900		}
5901		case NT_DEPARTED:
5902		{
5903			struct ac_contract ac;
5904			struct ac_device_changed *fc;
5905
5906			ac.contract_number = AC_CONTRACT_DEV_CHG;
5907			fc = (struct ac_device_changed *) ac.contract_data;
5908			fc->wwpn = notify->nt_wwn;
5909			fc->port = notify->nt_sid;
5910			fc->target = notify->nt_nphdl;
5911			fc->arrived = 0;
5912			xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac);
5913			break;
5914		}
5915		default:
5916			isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode);
5917			isp_handle_platform_target_notify_ack(isp, notify);
5918			break;
5919		}
5920		break;
5921	}
5922	case ISPASYNC_TARGET_NOTIFY_ACK:
5923	{
5924		void *inot;
5925		va_start(ap, cmd);
5926		inot = va_arg(ap, void *);
5927		va_end(ap);
5928		if (isp_notify_ack(isp, inot)) {
5929			isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT);
5930			if (tp) {
5931				tp->isp = isp;
5932				if (inot) {
5933					memcpy(tp->data, inot, sizeof (tp->data));
5934					tp->not = tp->data;
5935				} else {
5936					tp->not = NULL;
5937				}
5938				(void) timeout(isp_refire_notify_ack, tp, 5);
5939			} else {
5940				isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire");
5941			}
5942		}
5943		break;
5944	}
5945	case ISPASYNC_TARGET_ACTION:
5946	{
5947		isphdr_t *hp;
5948
5949		va_start(ap, cmd);
5950		hp = va_arg(ap, isphdr_t *);
5951		va_end(ap);
5952		switch (hp->rqs_entry_type) {
5953		default:
5954			isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type);
5955			break;
5956		case RQSTYPE_NOTIFY:
5957			if (IS_SCSI(isp)) {
5958				isp_handle_platform_notify_scsi(isp, (in_entry_t *) hp);
5959			} else if (IS_24XX(isp)) {
5960				isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp);
5961			} else {
5962				isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp);
5963			}
5964			break;
5965		case RQSTYPE_ATIO:
5966			if (IS_24XX(isp)) {
5967				isp_handle_platform_atio7(isp, (at7_entry_t *) hp);
5968			} else {
5969				isp_handle_platform_atio(isp, (at_entry_t *) hp);
5970			}
5971			break;
5972		case RQSTYPE_ATIO2:
5973			isp_handle_platform_atio2(isp, (at2_entry_t *) hp);
5974			break;
5975		case RQSTYPE_CTIO7:
5976		case RQSTYPE_CTIO3:
5977		case RQSTYPE_CTIO2:
5978		case RQSTYPE_CTIO:
5979			isp_handle_platform_ctio(isp, hp);
5980			break;
5981		case RQSTYPE_ABTS_RCVD:
5982		{
5983			abts_t *abts = (abts_t *)hp;
5984			isp_notify_t notify, *nt = &notify;
5985			tstate_t *tptr;
5986			fcportdb_t *lp;
5987			uint16_t chan;
5988			uint32_t sid, did;
5989
5990			did = (abts->abts_did_hi << 16) | abts->abts_did_lo;
5991			sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo;
5992			ISP_MEMZERO(nt, sizeof (isp_notify_t));
5993
5994			nt->nt_hba = isp;
5995			nt->nt_did = did;
5996			nt->nt_nphdl = abts->abts_nphdl;
5997			nt->nt_sid = sid;
5998			isp_find_chan_by_did(isp, did, &chan);
5999			if (chan == ISP_NOCHAN) {
6000				nt->nt_tgt = TGT_ANY;
6001			} else {
6002				nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn;
6003				if (isp_find_pdb_by_loopid(isp, chan, abts->abts_nphdl, &lp)) {
6004					nt->nt_wwn = lp->port_wwn;
6005				} else {
6006					nt->nt_wwn = INI_ANY;
6007				}
6008			}
6009			/*
6010			 * Try hard to find the lun for this command.
6011			 */
6012			tptr = get_lun_statep_from_tag(isp, chan, abts->abts_rxid_task);
6013			if (tptr) {
6014				nt->nt_lun = xpt_path_lun_id(tptr->owner);
6015				rls_lun_statep(isp, tptr);
6016			} else {
6017				nt->nt_lun = LUN_ANY;
6018			}
6019			nt->nt_need_ack = 1;
6020			nt->nt_tagval = abts->abts_rxid_task;
6021			nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32);
6022			if (abts->abts_rxid_task == ISP24XX_NO_TASK) {
6023				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)",
6024				    abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id);
6025			} else {
6026				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)",
6027				    abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id);
6028			}
6029			nt->nt_channel = chan;
6030			nt->nt_ncode = NT_ABORT_TASK;
6031			nt->nt_lreserved = hp;
6032			isp_handle_platform_target_tmf(isp, nt);
6033			break;
6034		}
6035		case RQSTYPE_ENABLE_LUN:
6036		case RQSTYPE_MODIFY_LUN:
6037			isp_ledone(isp, (lun_entry_t *) hp);
6038			break;
6039		}
6040		break;
6041	}
6042#endif
6043	case ISPASYNC_FW_CRASH:
6044	{
6045		uint16_t mbox1, mbox6;
6046		mbox1 = ISP_READ(isp, OUTMAILBOX1);
6047		if (IS_DUALBUS(isp)) {
6048			mbox6 = ISP_READ(isp, OUTMAILBOX6);
6049		} else {
6050			mbox6 = 0;
6051		}
6052		isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1);
6053		mbox1 = isp->isp_osinfo.mbox_sleep_ok;
6054		isp->isp_osinfo.mbox_sleep_ok = 0;
6055		isp_reinit(isp, 1);
6056		isp->isp_osinfo.mbox_sleep_ok = mbox1;
6057		isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
6058		break;
6059	}
6060	default:
6061		isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
6062		break;
6063	}
6064}
6065
6066
6067/*
6068 * Locks are held before coming here.
6069 */
6070void
6071isp_uninit(ispsoftc_t *isp)
6072{
6073	if (IS_24XX(isp)) {
6074		ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET);
6075	} else {
6076		ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
6077	}
6078	ISP_DISABLE_INTS(isp);
6079}
6080
6081/*
6082 * When we want to get the 'default' WWNs (when lacking NVRAM), we pick them
6083 * up from our platform default (defww{p|n}n) and morph them based upon
6084 * channel.
6085 *
6086 * When we want to get the 'active' WWNs, we get NVRAM WWNs and then morph them
6087 * based upon channel.
6088 */
6089
6090uint64_t
6091isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn)
6092{
6093	uint64_t seed;
6094	struct isp_fc *fc = ISP_FC_PC(isp, chan);
6095
6096	/*
6097	 * If we're asking for a active WWN, the default overrides get
6098	 * returned, otherwise the NVRAM value is picked.
6099	 *
6100	 * If we're asking for a default WWN, we just pick the default override.
6101	 */
6102	if (isactive) {
6103		seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
6104		if (seed) {
6105			return (seed);
6106		}
6107		seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : FCPARAM(isp, chan)->isp_wwpn_nvram;
6108		if (seed) {
6109			return (seed);
6110		}
6111		return (0x400000007F000009ull);
6112	} else {
6113		seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
6114	}
6115
6116
6117	/*
6118	 * For channel zero just return what we have. For either ACTIVE or
6119	 * DEFAULT cases, we depend on default override of NVRAM values for
6120	 * channel zero.
6121	 */
6122	if (chan == 0) {
6123		return (seed);
6124	}
6125
6126	/*
6127	 * For other channels, we are doing one of three things:
6128	 *
6129	 * 1. If what we have now is non-zero, return it. Otherwise we morph
6130	 * values from channel 0. 2. If we're here for a WWPN we synthesize
6131	 * it if Channel 0's wwpn has a type 2 NAA. 3. If we're here for a
6132	 * WWNN we synthesize it if Channel 0's wwnn has a type 2 NAA.
6133	 */
6134
6135	if (seed) {
6136		return (seed);
6137	}
6138	if (isactive) {
6139		seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : FCPARAM(isp, 0)->isp_wwpn_nvram;
6140	} else {
6141		seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : ISP_FC_PC(isp, 0)->def_wwpn;
6142	}
6143
6144	if (((seed >> 60) & 0xf) == 2) {
6145		/*
6146		 * The type 2 NAA fields for QLogic cards appear be laid out
6147		 * thusly:
6148		 *
6149		 * bits 63..60 NAA == 2 bits 59..57 unused/zero bit 56
6150		 * port (1) or node (0) WWN distinguishor bit 48
6151		 * physical port on dual-port chips (23XX/24XX)
6152		 *
6153		 * This is somewhat nutty, particularly since bit 48 is
6154		 * irrelevant as they assign separate serial numbers to
6155		 * different physical ports anyway.
6156		 *
6157		 * We'll stick our channel number plus one first into bits
6158		 * 57..59 and thence into bits 52..55 which allows for 8 bits
6159		 * of channel which is comfortably more than our maximum
6160		 * (126) now.
6161		 */
6162		seed &= ~0x0FF0000000000000ULL;
6163		if (iswwnn == 0) {
6164			seed |= ((uint64_t) (chan + 1) & 0xf) << 56;
6165			seed |= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52;
6166		}
6167	} else {
6168		seed = 0;
6169	}
6170	return (seed);
6171}
6172
6173void
6174isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
6175{
6176	int loc;
6177	char lbuf[200];
6178	va_list ap;
6179
6180	if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
6181		return;
6182	}
6183	snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev));
6184	loc = strlen(lbuf);
6185	va_start(ap, fmt);
6186	vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap);
6187	va_end(ap);
6188	printf("%s\n", lbuf);
6189}
6190
6191void
6192isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...)
6193{
6194	va_list ap;
6195	if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
6196		return;
6197	}
6198	xpt_print_path(xs->ccb_h.path);
6199	va_start(ap, fmt);
6200	vprintf(fmt, ap);
6201	va_end(ap);
6202	printf("\n");
6203}
6204
6205uint64_t
6206isp_nanotime_sub(struct timespec *b, struct timespec *a)
6207{
6208	uint64_t elapsed;
6209	struct timespec x = *b;
6210	timespecsub(&x, a);
6211	elapsed = GET_NANOSEC(&x);
6212	if (elapsed == 0)
6213		elapsed++;
6214	return (elapsed);
6215}
6216
6217int
6218isp_mbox_acquire(ispsoftc_t *isp)
6219{
6220	if (isp->isp_osinfo.mboxbsy) {
6221		return (1);
6222	} else {
6223		isp->isp_osinfo.mboxcmd_done = 0;
6224		isp->isp_osinfo.mboxbsy = 1;
6225		return (0);
6226	}
6227}
6228
6229void
6230isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp)
6231{
6232	unsigned int usecs = mbp->timeout;
6233	unsigned int max, olim, ilim;
6234
6235	if (usecs == 0) {
6236		usecs = MBCMD_DEFAULT_TIMEOUT;
6237	}
6238	max = isp->isp_mbxwrk0 + 1;
6239
6240	if (isp->isp_osinfo.mbox_sleep_ok) {
6241		unsigned int ms = (usecs + 999) / 1000;
6242
6243		isp->isp_osinfo.mbox_sleep_ok = 0;
6244		isp->isp_osinfo.mbox_sleeping = 1;
6245		for (olim = 0; olim < max; olim++) {
6246			msleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, PRIBIO, "ispmbx_sleep", isp_mstohz(ms));
6247			if (isp->isp_osinfo.mboxcmd_done) {
6248				break;
6249			}
6250		}
6251		isp->isp_osinfo.mbox_sleep_ok = 1;
6252		isp->isp_osinfo.mbox_sleeping = 0;
6253	} else {
6254		for (olim = 0; olim < max; olim++) {
6255			for (ilim = 0; ilim < usecs; ilim += 100) {
6256				uint32_t isr;
6257				uint16_t sema, mbox;
6258				if (isp->isp_osinfo.mboxcmd_done) {
6259					break;
6260				}
6261				if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
6262					isp_intr(isp, isr, sema, mbox);
6263					if (isp->isp_osinfo.mboxcmd_done) {
6264						break;
6265					}
6266				}
6267				ISP_DELAY(100);
6268			}
6269			if (isp->isp_osinfo.mboxcmd_done) {
6270				break;
6271			}
6272		}
6273	}
6274	if (isp->isp_osinfo.mboxcmd_done == 0) {
6275		isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)",
6276		    isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno);
6277		mbp->param[0] = MBOX_TIMEOUT;
6278		isp->isp_osinfo.mboxcmd_done = 1;
6279	}
6280}
6281
6282void
6283isp_mbox_notify_done(ispsoftc_t *isp)
6284{
6285	if (isp->isp_osinfo.mbox_sleeping) {
6286		wakeup(&isp->isp_mbxworkp);
6287	}
6288	isp->isp_osinfo.mboxcmd_done = 1;
6289}
6290
6291void
6292isp_mbox_release(ispsoftc_t *isp)
6293{
6294	isp->isp_osinfo.mboxbsy = 0;
6295}
6296
6297int
6298isp_fc_scratch_acquire(ispsoftc_t *isp, int chan)
6299{
6300	int ret = 0;
6301	if (isp->isp_osinfo.pc.fc[chan].fcbsy) {
6302		ret = -1;
6303	} else {
6304		isp->isp_osinfo.pc.fc[chan].fcbsy = 1;
6305	}
6306	return (ret);
6307}
6308
6309int
6310isp_mstohz(int ms)
6311{
6312	int hz;
6313	struct timeval t;
6314	t.tv_sec = ms / 1000;
6315	t.tv_usec = (ms % 1000) * 1000;
6316	hz = tvtohz(&t);
6317	if (hz < 0) {
6318		hz = 0x7fffffff;
6319	}
6320	if (hz == 0) {
6321		hz = 1;
6322	}
6323	return (hz);
6324}
6325
6326void
6327isp_platform_intr(void *arg)
6328{
6329	ispsoftc_t *isp = arg;
6330	uint32_t isr;
6331	uint16_t sema, mbox;
6332
6333	ISP_LOCK(isp);
6334	isp->isp_intcnt++;
6335	if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) {
6336		isp->isp_intbogus++;
6337	} else {
6338		isp_intr(isp, isr, sema, mbox);
6339	}
6340	ISP_UNLOCK(isp);
6341}
6342
6343void
6344isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl)
6345{
6346	if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
6347		bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD);
6348	} else {
6349		bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE);
6350	}
6351	bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
6352}
6353
6354int
6355isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd)
6356{
6357	uint32_t chan, tgt, lun;
6358	struct isp_fc *fc;
6359	struct isp_nexus *nxp;
6360	int idx;
6361
6362	if (isp->isp_type < ISP_HA_FC_2300)
6363		return (0);
6364
6365	chan = XS_CHANNEL(cmd);
6366	tgt = XS_TGT(cmd);
6367	lun = XS_LUN(cmd);
6368	fc = &isp->isp_osinfo.pc.fc[chan];
6369	idx = NEXUS_HASH(tgt, lun);
6370	nxp = fc->nexus_hash[idx];
6371
6372	while (nxp) {
6373		if (nxp->tgt == tgt && nxp->lun == lun)
6374			break;
6375		nxp = nxp->next;
6376	}
6377	if (nxp == NULL) {
6378		nxp = fc->nexus_free_list;
6379		if (nxp == NULL) {
6380			nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT);
6381			if (nxp == NULL) {
6382				return (-1);
6383			}
6384		} else {
6385			fc->nexus_free_list = nxp->next;
6386		}
6387		nxp->tgt = tgt;
6388		nxp->lun = lun;
6389		nxp->next = fc->nexus_hash[idx];
6390		fc->nexus_hash[idx] = nxp;
6391	}
6392	if (nxp) {
6393		if (nxp->crnseed == 0)
6394			nxp->crnseed = 1;
6395		if (cmd)
6396			PISP_PCMD(cmd)->crn = nxp->crnseed;
6397		*crnp = nxp->crnseed++;
6398		return (0);
6399	}
6400	return (-1);
6401}
6402
6403/*
6404 * We enter with the lock held
6405 */
6406void
6407isp_timer(void *arg)
6408{
6409	ispsoftc_t *isp = arg;
6410#ifdef	ISP_TARGET_MODE
6411	isp_tmcmd_restart(isp);
6412#endif
6413	callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
6414}
6415
6416isp_ecmd_t *
6417isp_get_ecmd(ispsoftc_t *isp)
6418{
6419	isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free;
6420	if (ecmd) {
6421		isp->isp_osinfo.ecmd_free = ecmd->next;
6422	}
6423	return (ecmd);
6424}
6425
6426void
6427isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd)
6428{
6429	ecmd->next = isp->isp_osinfo.ecmd_free;
6430	isp->isp_osinfo.ecmd_free = ecmd;
6431}
6432