isp_freebsd.c revision 315979
1/*-
2 * Copyright (c) 1997-2009 by Matthew Jacob
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice immediately at the beginning of the file, without modification,
10 *    this list of conditions, and the following disclaimer.
11 * 2. The name of the author may not be used to endorse or promote products
12 *    derived from this software without specific prior written permission.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27/*
28 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters.
29 */
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD: stable/11/sys/dev/isp/isp_freebsd.c 315979 2017-03-26 08:53:29Z mav $");
32
33#include <dev/isp/isp_freebsd.h>
34#include <sys/unistd.h>
35#include <sys/kthread.h>
36#include <sys/conf.h>
37#include <sys/module.h>
38#include <sys/ioccom.h>
39#include <dev/isp/isp_ioctl.h>
40#include <sys/devicestat.h>
41#include <cam/cam_periph.h>
42#include <cam/cam_xpt_periph.h>
43
44MODULE_VERSION(isp, 1);
45MODULE_DEPEND(isp, cam, 1, 1, 1);
46int isp_announced = 0;
47int isp_loop_down_limit = 60;	/* default loop down limit */
48int isp_quickboot_time = 7;	/* don't wait more than N secs for loop up */
49int isp_gone_device_time = 30;	/* grace time before reporting device lost */
50static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s";
51
52static void isp_freeze_loopdown(ispsoftc_t *, int);
53static void isp_loop_changed(ispsoftc_t *isp, int chan);
54static d_ioctl_t ispioctl;
55static void isp_intr_enable(void *);
56static void isp_cam_async(void *, uint32_t, struct cam_path *, void *);
57static void isp_poll(struct cam_sim *);
58static timeout_t isp_watchdog;
59static timeout_t isp_gdt;
60static task_fn_t isp_gdt_task;
61static void isp_kthread(void *);
62static void isp_action(struct cam_sim *, union ccb *);
63static int isp_timer_count;
64static void isp_timer(void *);
65
66static struct cdevsw isp_cdevsw = {
67	.d_version =	D_VERSION,
68	.d_ioctl =	ispioctl,
69	.d_name =	"isp",
70};
71
72static int
73isp_role_sysctl(SYSCTL_HANDLER_ARGS)
74{
75	ispsoftc_t *isp = (ispsoftc_t *)arg1;
76	int chan = arg2;
77	int error, old, value;
78
79	value = FCPARAM(isp, chan)->role;
80
81	error = sysctl_handle_int(oidp, &value, 0, req);
82	if ((error != 0) || (req->newptr == NULL))
83		return (error);
84
85	if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH)
86		return (EINVAL);
87
88	ISP_LOCK(isp);
89	old = FCPARAM(isp, chan)->role;
90
91	/* We don't allow target mode switch from here. */
92	value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR);
93
94	/* If nothing has changed -- we are done. */
95	if (value == old) {
96		ISP_UNLOCK(isp);
97		return (0);
98	}
99
100	/* Actually change the role. */
101	error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value);
102	ISP_UNLOCK(isp);
103	return (error);
104}
105
106static int
107isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
108{
109	struct ccb_setasync csa;
110	struct cam_sim *sim;
111	struct cam_path *path;
112#ifdef	ISP_TARGET_MODE
113	int i;
114#endif
115
116	/*
117	 * Construct our SIM entry.
118	 */
119	sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, device_get_unit(isp->isp_dev), &isp->isp_osinfo.lock, isp->isp_maxcmds, isp->isp_maxcmds, devq);
120
121	if (sim == NULL) {
122		return (ENOMEM);
123	}
124
125	ISP_LOCK(isp);
126	if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) {
127		ISP_UNLOCK(isp);
128		cam_sim_free(sim, FALSE);
129		return (EIO);
130	}
131	ISP_UNLOCK(isp);
132	if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
133		ISP_LOCK(isp);
134		xpt_bus_deregister(cam_sim_path(sim));
135		ISP_UNLOCK(isp);
136		cam_sim_free(sim, FALSE);
137		return (ENXIO);
138	}
139	xpt_setup_ccb(&csa.ccb_h, path, 5);
140	csa.ccb_h.func_code = XPT_SASYNC_CB;
141	csa.event_enable = AC_LOST_DEVICE;
142	csa.callback = isp_cam_async;
143	csa.callback_arg = sim;
144
145	ISP_LOCK(isp);
146	xpt_action((union ccb *)&csa);
147	ISP_UNLOCK(isp);
148
149	if (IS_SCSI(isp)) {
150		struct isp_spi *spi = ISP_SPI_PC(isp, chan);
151		spi->sim = sim;
152		spi->path = path;
153#ifdef	ISP_TARGET_MODE
154		TAILQ_INIT(&spi->waitq);
155		STAILQ_INIT(&spi->ntfree);
156		for (i = 0; i < ATPDPSIZE; i++)
157			STAILQ_INSERT_TAIL(&spi->ntfree, &spi->ntpool[i], next);
158		LIST_INIT(&spi->atfree);
159		for (i = ATPDPSIZE-1; i >= 0; i--)
160			LIST_INSERT_HEAD(&spi->atfree, &spi->atpool[i], next);
161		for (i = 0; i < ATPDPHASHSIZE; i++)
162			LIST_INIT(&spi->atused[i]);
163#endif
164	} else {
165		fcparam *fcp = FCPARAM(isp, chan);
166		struct isp_fc *fc = ISP_FC_PC(isp, chan);
167		struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev);
168		struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev);
169		char name[16];
170
171		ISP_LOCK(isp);
172		fc->sim = sim;
173		fc->path = path;
174		fc->isp = isp;
175		fc->ready = 1;
176
177		callout_init_mtx(&fc->gdt, &isp->isp_osinfo.lock, 0);
178		TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc);
179#ifdef	ISP_TARGET_MODE
180		TAILQ_INIT(&fc->waitq);
181		STAILQ_INIT(&fc->ntfree);
182		for (i = 0; i < ATPDPSIZE; i++)
183			STAILQ_INSERT_TAIL(&fc->ntfree, &fc->ntpool[i], next);
184		LIST_INIT(&fc->atfree);
185		for (i = ATPDPSIZE-1; i >= 0; i--)
186			LIST_INSERT_HEAD(&fc->atfree, &fc->atpool[i], next);
187		for (i = 0; i < ATPDPHASHSIZE; i++)
188			LIST_INIT(&fc->atused[i]);
189#endif
190		isp_loop_changed(isp, chan);
191		ISP_UNLOCK(isp);
192		if (kproc_create(isp_kthread, fc, &fc->kproc, 0, 0,
193		    "%s_%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
194			xpt_free_path(fc->path);
195			ISP_LOCK(isp);
196			xpt_bus_deregister(cam_sim_path(fc->sim));
197			ISP_UNLOCK(isp);
198			cam_sim_free(fc->sim, FALSE);
199			return (ENOMEM);
200		}
201		fc->num_threads += 1;
202		if (chan > 0) {
203			snprintf(name, sizeof(name), "chan%d", chan);
204			tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree),
205			    OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel");
206		}
207		SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
208		    "wwnn", CTLFLAG_RD, &fcp->isp_wwnn,
209		    "World Wide Node Name");
210		SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
211		    "wwpn", CTLFLAG_RD, &fcp->isp_wwpn,
212		    "World Wide Port Name");
213		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
214		    "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0,
215		    "Loop Down Limit");
216		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
217		    "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0,
218		    "Gone Device Time");
219#if defined(ISP_TARGET_MODE) && defined(DEBUG)
220		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
221		    "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0,
222		    "Cause a Lost Frame on a Read");
223#endif
224		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
225		    "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan,
226		    isp_role_sysctl, "I", "Current role");
227		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
228		    "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0,
229		    "Connection speed in gigabits");
230		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
231		    "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0,
232		    "Link state");
233		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
234		    "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0,
235		    "Firmware state");
236		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
237		    "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0,
238		    "Loop state");
239		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
240		    "topo", CTLFLAG_RD, &fcp->isp_topo, 0,
241		    "Connection topology");
242	}
243	return (0);
244}
245
246static void
247isp_detach_chan(ispsoftc_t *isp, int chan)
248{
249	struct cam_sim *sim;
250	struct cam_path *path;
251	struct ccb_setasync csa;
252	int *num_threads;
253
254	ISP_GET_PC(isp, chan, sim, sim);
255	ISP_GET_PC(isp, chan, path, path);
256	ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads);
257
258	xpt_setup_ccb(&csa.ccb_h, path, 5);
259	csa.ccb_h.func_code = XPT_SASYNC_CB;
260	csa.event_enable = 0;
261	csa.callback = isp_cam_async;
262	csa.callback_arg = sim;
263	xpt_action((union ccb *)&csa);
264	xpt_free_path(path);
265	xpt_bus_deregister(cam_sim_path(sim));
266	cam_sim_free(sim, FALSE);
267
268	/* Wait for the channel's spawned threads to exit. */
269	wakeup(isp->isp_osinfo.pc.ptr);
270	while (*num_threads != 0)
271		mtx_sleep(isp, &isp->isp_osinfo.lock, PRIBIO, "isp_reap", 100);
272}
273
274int
275isp_attach(ispsoftc_t *isp)
276{
277	const char *nu = device_get_nameunit(isp->isp_osinfo.dev);
278	int du = device_get_unit(isp->isp_dev);
279	int chan;
280
281	/*
282	 * Create the device queue for our SIM(s).
283	 */
284	isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds);
285	if (isp->isp_osinfo.devq == NULL) {
286		return (EIO);
287	}
288
289	for (chan = 0; chan < isp->isp_nchan; chan++) {
290		if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) {
291			goto unwind;
292		}
293	}
294
295	callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_osinfo.lock, 0);
296	isp_timer_count = hz >> 2;
297	callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
298	isp->isp_osinfo.timer_active = 1;
299
300	isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu);
301	if (isp->isp_osinfo.cdev) {
302		isp->isp_osinfo.cdev->si_drv1 = isp;
303	}
304	return (0);
305
306unwind:
307	while (--chan >= 0) {
308		struct cam_sim *sim;
309		struct cam_path *path;
310
311		ISP_GET_PC(isp, chan, sim, sim);
312		ISP_GET_PC(isp, chan, path, path);
313		xpt_free_path(path);
314		ISP_LOCK(isp);
315		xpt_bus_deregister(cam_sim_path(sim));
316		ISP_UNLOCK(isp);
317		cam_sim_free(sim, FALSE);
318	}
319	if (isp->isp_osinfo.cdev) {
320		destroy_dev(isp->isp_osinfo.cdev);
321		isp->isp_osinfo.cdev = NULL;
322	}
323	cam_simq_free(isp->isp_osinfo.devq);
324	isp->isp_osinfo.devq = NULL;
325	return (-1);
326}
327
328int
329isp_detach(ispsoftc_t *isp)
330{
331	struct cam_sim *sim;
332	int chan;
333
334	ISP_LOCK(isp);
335	for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
336		ISP_GET_PC(isp, chan, sim, sim);
337		if (sim->refcount > 2) {
338			ISP_UNLOCK(isp);
339			return (EBUSY);
340		}
341	}
342	/* Tell spawned threads that we're exiting. */
343	isp->isp_osinfo.is_exiting = 1;
344	if (isp->isp_osinfo.timer_active) {
345		callout_stop(&isp->isp_osinfo.tmo);
346		isp->isp_osinfo.timer_active = 0;
347	}
348	for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1)
349		isp_detach_chan(isp, chan);
350	ISP_UNLOCK(isp);
351
352	if (isp->isp_osinfo.cdev) {
353		destroy_dev(isp->isp_osinfo.cdev);
354		isp->isp_osinfo.cdev = NULL;
355	}
356	if (isp->isp_osinfo.devq != NULL) {
357		cam_simq_free(isp->isp_osinfo.devq);
358		isp->isp_osinfo.devq = NULL;
359	}
360	return (0);
361}
362
363static void
364isp_freeze_loopdown(ispsoftc_t *isp, int chan)
365{
366	if (IS_FC(isp)) {
367		struct isp_fc *fc = ISP_FC_PC(isp, chan);
368		if (fc->simqfrozen == 0) {
369			isp_prt(isp, ISP_LOGDEBUG0,
370			    "Chan %d Freeze simq (loopdown)", chan);
371			fc->simqfrozen = SIMQFRZ_LOOPDOWN;
372			xpt_hold_boot();
373			xpt_freeze_simq(fc->sim, 1);
374		} else {
375			isp_prt(isp, ISP_LOGDEBUG0,
376			    "Chan %d Mark simq frozen (loopdown)", chan);
377			fc->simqfrozen |= SIMQFRZ_LOOPDOWN;
378		}
379	}
380}
381
382static void
383isp_unfreeze_loopdown(ispsoftc_t *isp, int chan)
384{
385	if (IS_FC(isp)) {
386		struct isp_fc *fc = ISP_FC_PC(isp, chan);
387		int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN;
388		fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN;
389		if (wasfrozen && fc->simqfrozen == 0) {
390			isp_prt(isp, ISP_LOGDEBUG0,
391			    "Chan %d Release simq", chan);
392			xpt_release_simq(fc->sim, 1);
393			xpt_release_boot();
394		}
395	}
396}
397
398
399static int
400ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td)
401{
402	ispsoftc_t *isp;
403	int nr, chan, retval = ENOTTY;
404
405	isp = dev->si_drv1;
406
407	switch (c) {
408	case ISP_SDBLEV:
409	{
410		int olddblev = isp->isp_dblev;
411		isp->isp_dblev = *(int *)addr;
412		*(int *)addr = olddblev;
413		retval = 0;
414		break;
415	}
416	case ISP_GETROLE:
417		chan = *(int *)addr;
418		if (chan < 0 || chan >= isp->isp_nchan) {
419			retval = -ENXIO;
420			break;
421		}
422		if (IS_FC(isp)) {
423			*(int *)addr = FCPARAM(isp, chan)->role;
424		} else {
425			*(int *)addr = ISP_ROLE_INITIATOR;
426		}
427		retval = 0;
428		break;
429	case ISP_SETROLE:
430		if (IS_SCSI(isp))
431			break;
432		nr = *(int *)addr;
433		chan = nr >> 8;
434		if (chan < 0 || chan >= isp->isp_nchan) {
435			retval = -ENXIO;
436			break;
437		}
438		nr &= 0xff;
439		if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
440			retval = EINVAL;
441			break;
442		}
443		ISP_LOCK(isp);
444		*(int *)addr = FCPARAM(isp, chan)->role;
445		retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr);
446		ISP_UNLOCK(isp);
447		retval = 0;
448		break;
449
450	case ISP_RESETHBA:
451		ISP_LOCK(isp);
452		isp_reinit(isp, 0);
453		ISP_UNLOCK(isp);
454		retval = 0;
455		break;
456
457	case ISP_RESCAN:
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_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) {
466				retval = EIO;
467			} else {
468				retval = 0;
469			}
470			ISP_UNLOCK(isp);
471		}
472		break;
473
474	case ISP_FC_LIP:
475		if (IS_FC(isp)) {
476			chan = *(int *)addr;
477			if (chan < 0 || chan >= isp->isp_nchan) {
478				retval = -ENXIO;
479				break;
480			}
481			ISP_LOCK(isp);
482			if (isp_control(isp, ISPCTL_SEND_LIP, chan)) {
483				retval = EIO;
484			} else {
485				retval = 0;
486			}
487			ISP_UNLOCK(isp);
488		}
489		break;
490	case ISP_FC_GETDINFO:
491	{
492		struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
493		fcportdb_t *lp;
494
495		if (IS_SCSI(isp)) {
496			break;
497		}
498		if (ifc->loopid >= MAX_FC_TARG) {
499			retval = EINVAL;
500			break;
501		}
502		lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid];
503		if (lp->state != FC_PORTDB_STATE_NIL) {
504			ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
505			ifc->loopid = lp->handle;
506			ifc->portid = lp->portid;
507			ifc->node_wwn = lp->node_wwn;
508			ifc->port_wwn = lp->port_wwn;
509			retval = 0;
510		} else {
511			retval = ENODEV;
512		}
513		break;
514	}
515	case ISP_GET_STATS:
516	{
517		isp_stats_t *sp = (isp_stats_t *) addr;
518
519		ISP_MEMZERO(sp, sizeof (*sp));
520		sp->isp_stat_version = ISP_STATS_VERSION;
521		sp->isp_type = isp->isp_type;
522		sp->isp_revision = isp->isp_revision;
523		ISP_LOCK(isp);
524		sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt;
525		sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus;
526		sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc;
527		sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync;
528		sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt;
529		sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt;
530		sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater;
531		sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater;
532		ISP_UNLOCK(isp);
533		retval = 0;
534		break;
535	}
536	case ISP_CLR_STATS:
537		ISP_LOCK(isp);
538		isp->isp_intcnt = 0;
539		isp->isp_intbogus = 0;
540		isp->isp_intmboxc = 0;
541		isp->isp_intoasync = 0;
542		isp->isp_rsltccmplt = 0;
543		isp->isp_fphccmplt = 0;
544		isp->isp_rscchiwater = 0;
545		isp->isp_fpcchiwater = 0;
546		ISP_UNLOCK(isp);
547		retval = 0;
548		break;
549	case ISP_FC_GETHINFO:
550	{
551		struct isp_hba_device *hba = (struct isp_hba_device *) addr;
552		int chan = hba->fc_channel;
553
554		if (chan < 0 || chan >= isp->isp_nchan) {
555			retval = ENXIO;
556			break;
557		}
558		hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
559		hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
560		hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
561		hba->fc_nchannels = isp->isp_nchan;
562		if (IS_FC(isp)) {
563			hba->fc_nports = MAX_FC_TARG;
564			hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed;
565			hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1;
566			hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid;
567			hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram;
568			hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram;
569			hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn;
570			hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn;
571		} else {
572			hba->fc_nports = MAX_TARGETS;
573			hba->fc_speed = 0;
574			hba->fc_topology = 0;
575			hba->nvram_node_wwn = 0ull;
576			hba->nvram_port_wwn = 0ull;
577			hba->active_node_wwn = 0ull;
578			hba->active_port_wwn = 0ull;
579		}
580		retval = 0;
581		break;
582	}
583	case ISP_TSK_MGMT:
584	{
585		int needmarker;
586		struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
587		uint16_t nphdl;
588		mbreg_t mbs;
589
590		if (IS_SCSI(isp)) {
591			break;
592		}
593
594		chan = fct->chan;
595		if (chan < 0 || chan >= isp->isp_nchan) {
596			retval = -ENXIO;
597			break;
598		}
599
600		needmarker = retval = 0;
601		nphdl = fct->loopid;
602		ISP_LOCK(isp);
603		if (IS_24XX(isp)) {
604			void *reqp;
605			uint8_t resp[QENTRY_LEN];
606			isp24xx_tmf_t tmf;
607			isp24xx_statusreq_t sp;
608			fcparam *fcp = FCPARAM(isp, chan);
609			fcportdb_t *lp;
610			int i;
611
612			for (i = 0; i < MAX_FC_TARG; i++) {
613				lp = &fcp->portdb[i];
614				if (lp->handle == nphdl) {
615					break;
616				}
617			}
618			if (i == MAX_FC_TARG) {
619				retval = ENXIO;
620				ISP_UNLOCK(isp);
621				break;
622			}
623			ISP_MEMZERO(&tmf, sizeof(tmf));
624			tmf.tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT;
625			tmf.tmf_header.rqs_entry_count = 1;
626			tmf.tmf_nphdl = lp->handle;
627			tmf.tmf_delay = 2;
628			tmf.tmf_timeout = 4;
629			tmf.tmf_tidlo = lp->portid;
630			tmf.tmf_tidhi = lp->portid >> 16;
631			tmf.tmf_vpidx = ISP_GET_VPIDX(isp, chan);
632			tmf.tmf_lun[1] = fct->lun & 0xff;
633			if (fct->lun >= 256) {
634				tmf.tmf_lun[0] = 0x40 | (fct->lun >> 8);
635			}
636			switch (fct->action) {
637			case IPT_CLEAR_ACA:
638				tmf.tmf_flags = ISP24XX_TMF_CLEAR_ACA;
639				break;
640			case IPT_TARGET_RESET:
641				tmf.tmf_flags = ISP24XX_TMF_TARGET_RESET;
642				needmarker = 1;
643				break;
644			case IPT_LUN_RESET:
645				tmf.tmf_flags = ISP24XX_TMF_LUN_RESET;
646				needmarker = 1;
647				break;
648			case IPT_CLEAR_TASK_SET:
649				tmf.tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET;
650				needmarker = 1;
651				break;
652			case IPT_ABORT_TASK_SET:
653				tmf.tmf_flags = ISP24XX_TMF_ABORT_TASK_SET;
654				needmarker = 1;
655				break;
656			default:
657				retval = EINVAL;
658				break;
659			}
660			if (retval) {
661				ISP_UNLOCK(isp);
662				break;
663			}
664
665			/* Prepare space for response in memory */
666			memset(resp, 0xff, sizeof(resp));
667			tmf.tmf_handle = isp_allocate_handle(isp, resp,
668			    ISP_HANDLE_CTRL);
669			if (tmf.tmf_handle == 0) {
670				isp_prt(isp, ISP_LOGERR,
671				    "%s: TMF of Chan %d out of handles",
672				    __func__, chan);
673				ISP_UNLOCK(isp);
674				retval = ENOMEM;
675				break;
676			}
677
678			/* Send request and wait for response. */
679			reqp = isp_getrqentry(isp);
680			if (reqp == NULL) {
681				isp_prt(isp, ISP_LOGERR,
682				    "%s: TMF of Chan %d out of rqent",
683				    __func__, chan);
684				isp_destroy_handle(isp, tmf.tmf_handle);
685				ISP_UNLOCK(isp);
686				retval = EIO;
687				break;
688			}
689			isp_put_24xx_tmf(isp, &tmf, (isp24xx_tmf_t *)reqp);
690			if (isp->isp_dblev & ISP_LOGDEBUG1)
691				isp_print_bytes(isp, "IOCB TMF", QENTRY_LEN, reqp);
692			ISP_SYNC_REQUEST(isp);
693			if (msleep(resp, &isp->isp_lock, 0, "TMF", 5*hz) == EWOULDBLOCK) {
694				isp_prt(isp, ISP_LOGERR,
695				    "%s: TMF of Chan %d timed out",
696				    __func__, chan);
697				isp_destroy_handle(isp, tmf.tmf_handle);
698				ISP_UNLOCK(isp);
699				retval = EIO;
700				break;
701			}
702			if (isp->isp_dblev & ISP_LOGDEBUG1)
703				isp_print_bytes(isp, "IOCB TMF response", QENTRY_LEN, resp);
704			isp_get_24xx_response(isp, (isp24xx_statusreq_t *)resp, &sp);
705
706			if (sp.req_completion_status != 0)
707				retval = EIO;
708			else if (needmarker)
709				fcp->sendmarker = 1;
710		} else {
711			MBSINIT(&mbs, 0, MBLOGALL, 0);
712			if (ISP_CAP_2KLOGIN(isp) == 0) {
713				nphdl <<= 8;
714			}
715			switch (fct->action) {
716			case IPT_CLEAR_ACA:
717				mbs.param[0] = MBOX_CLEAR_ACA;
718				mbs.param[1] = nphdl;
719				mbs.param[2] = fct->lun;
720				break;
721			case IPT_TARGET_RESET:
722				mbs.param[0] = MBOX_TARGET_RESET;
723				mbs.param[1] = nphdl;
724				needmarker = 1;
725				break;
726			case IPT_LUN_RESET:
727				mbs.param[0] = MBOX_LUN_RESET;
728				mbs.param[1] = nphdl;
729				mbs.param[2] = fct->lun;
730				needmarker = 1;
731				break;
732			case IPT_CLEAR_TASK_SET:
733				mbs.param[0] = MBOX_CLEAR_TASK_SET;
734				mbs.param[1] = nphdl;
735				mbs.param[2] = fct->lun;
736				needmarker = 1;
737				break;
738			case IPT_ABORT_TASK_SET:
739				mbs.param[0] = MBOX_ABORT_TASK_SET;
740				mbs.param[1] = nphdl;
741				mbs.param[2] = fct->lun;
742				needmarker = 1;
743				break;
744			default:
745				retval = EINVAL;
746				break;
747			}
748			if (retval == 0) {
749				if (needmarker) {
750					FCPARAM(isp, chan)->sendmarker = 1;
751				}
752				retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
753				if (retval) {
754					retval = EIO;
755				}
756			}
757		}
758		ISP_UNLOCK(isp);
759		break;
760	}
761	default:
762		break;
763	}
764	return (retval);
765}
766
767/*
768 * Local Inlines
769 */
770
771static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *);
772static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *);
773
774static ISP_INLINE int
775isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
776{
777	ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
778	if (ISP_PCMD(ccb) == NULL) {
779		return (-1);
780	}
781	isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
782	return (0);
783}
784
785static ISP_INLINE void
786isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
787{
788	if (ISP_PCMD(ccb)) {
789#ifdef	ISP_TARGET_MODE
790		PISP_PCMD(ccb)->datalen = 0;
791		PISP_PCMD(ccb)->totslen = 0;
792		PISP_PCMD(ccb)->cumslen = 0;
793		PISP_PCMD(ccb)->crn = 0;
794#endif
795		PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free;
796		isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
797		ISP_PCMD(ccb) = NULL;
798	}
799}
800
801/*
802 * Put the target mode functions here, because some are inlines
803 */
804#ifdef	ISP_TARGET_MODE
805static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
806static atio_private_data_t *isp_get_atpd(ispsoftc_t *, int, uint32_t);
807static atio_private_data_t *isp_find_atpd(ispsoftc_t *, int, uint32_t);
808static void isp_put_atpd(ispsoftc_t *, int, atio_private_data_t *);
809static inot_private_data_t *isp_get_ntpd(ispsoftc_t *, int);
810static inot_private_data_t *isp_find_ntpd(ispsoftc_t *, int, uint32_t, uint32_t);
811static void isp_put_ntpd(ispsoftc_t *, int, inot_private_data_t *);
812static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **);
813static void destroy_lun_state(ispsoftc_t *, int, tstate_t *);
814static void isp_enable_lun(ispsoftc_t *, union ccb *);
815static void isp_disable_lun(ispsoftc_t *, union ccb *);
816static timeout_t isp_refire_putback_atio;
817static timeout_t isp_refire_notify_ack;
818static void isp_complete_ctio(union ccb *);
819static void isp_target_putback_atio(union ccb *);
820enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE };
821static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How);
822static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
823static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *);
824static void isp_handle_platform_ctio(ispsoftc_t *, void *);
825static void isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *);
826static void isp_handle_platform_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *);
827static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *, uint32_t rsp);
828static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *);
829static void isp_target_mark_aborted_early(ispsoftc_t *, int chan, tstate_t *, uint32_t);
830
831static ISP_INLINE tstate_t *
832get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
833{
834	tstate_t *tptr = NULL;
835	struct tslist *lhp;
836
837	if (bus < isp->isp_nchan) {
838		ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
839		SLIST_FOREACH(tptr, lhp, next) {
840			if (tptr->ts_lun == lun)
841				return (tptr);
842		}
843	}
844	return (NULL);
845}
846
847static int
848isp_atio_restart(ispsoftc_t *isp, int bus, tstate_t *tptr)
849{
850	inot_private_data_t *ntp;
851	struct ntpdlist rq;
852
853	if (STAILQ_EMPTY(&tptr->restart_queue))
854		return (0);
855	STAILQ_INIT(&rq);
856	STAILQ_CONCAT(&rq, &tptr->restart_queue);
857	while ((ntp = STAILQ_FIRST(&rq)) != NULL) {
858		STAILQ_REMOVE_HEAD(&rq, next);
859		if (IS_24XX(isp)) {
860			isp_prt(isp, ISP_LOGTDEBUG0,
861			    "%s: restarting resrc deprived %x", __func__,
862			    ((at7_entry_t *)ntp->data)->at_rxid);
863			isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->data);
864		} else {
865			isp_prt(isp, ISP_LOGTDEBUG0,
866			    "%s: restarting resrc deprived %x", __func__,
867			    ((at2_entry_t *)ntp->data)->at_rxid);
868			isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->data);
869		}
870		isp_put_ntpd(isp, bus, ntp);
871		if (!STAILQ_EMPTY(&tptr->restart_queue))
872			break;
873	}
874	if (!STAILQ_EMPTY(&rq)) {
875		STAILQ_CONCAT(&rq, &tptr->restart_queue);
876		STAILQ_CONCAT(&tptr->restart_queue, &rq);
877	}
878	return (!STAILQ_EMPTY(&tptr->restart_queue));
879}
880
881static void
882isp_tmcmd_restart(ispsoftc_t *isp)
883{
884	tstate_t *tptr;
885	union ccb *ccb;
886	struct tslist *lhp;
887	struct isp_ccbq *waitq;
888	int bus, i;
889
890	for (bus = 0; bus < isp->isp_nchan; bus++) {
891		for (i = 0; i < LUN_HASH_SIZE; i++) {
892			ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
893			SLIST_FOREACH(tptr, lhp, next)
894				isp_atio_restart(isp, bus, tptr);
895		}
896
897		/*
898		 * We only need to do this once per channel.
899		 */
900		ISP_GET_PC_ADDR(isp, bus, waitq, waitq);
901		ccb = (union ccb *)TAILQ_FIRST(waitq);
902		if (ccb != NULL) {
903			TAILQ_REMOVE(waitq, &ccb->ccb_h, periph_links.tqe);
904			isp_target_start_ctio(isp, ccb, FROM_TIMER);
905		}
906	}
907}
908
909static atio_private_data_t *
910isp_get_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
911{
912	struct atpdlist *atfree;
913	struct atpdlist *atused;
914	atio_private_data_t *atp;
915
916	ISP_GET_PC_ADDR(isp, chan, atfree, atfree);
917	atp = LIST_FIRST(atfree);
918	if (atp) {
919		LIST_REMOVE(atp, next);
920		atp->tag = tag;
921		ISP_GET_PC(isp, chan, atused, atused);
922		LIST_INSERT_HEAD(&atused[ATPDPHASH(tag)], atp, next);
923	}
924	return (atp);
925}
926
927static atio_private_data_t *
928isp_find_atpd(ispsoftc_t *isp, int chan, uint32_t tag)
929{
930	struct atpdlist *atused;
931	atio_private_data_t *atp;
932
933	ISP_GET_PC(isp, chan, atused, atused);
934	LIST_FOREACH(atp, &atused[ATPDPHASH(tag)], next) {
935		if (atp->tag == tag)
936			return (atp);
937	}
938	return (NULL);
939}
940
941static void
942isp_put_atpd(ispsoftc_t *isp, int chan, atio_private_data_t *atp)
943{
944	struct atpdlist *atfree;
945
946	if (atp->ests) {
947		isp_put_ecmd(isp, atp->ests);
948	}
949	LIST_REMOVE(atp, next);
950	memset(atp, 0, sizeof (*atp));
951	ISP_GET_PC_ADDR(isp, chan, atfree, atfree);
952	LIST_INSERT_HEAD(atfree, atp, next);
953}
954
955static void
956isp_dump_atpd(ispsoftc_t *isp, int chan)
957{
958	atio_private_data_t *atp, *atpool;
959	const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" };
960
961	ISP_GET_PC(isp, chan, atpool, atpool);
962	for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) {
963		if (atp->state == ATPD_STATE_FREE)
964			continue;
965		isp_prt(isp, ISP_LOGALL, "Chan %d ATP [0x%x] origdlen %u bytes_xfrd %u lun %jx nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s",
966		    chan, atp->tag, atp->orig_datalen, atp->bytes_xfered, (uintmax_t)atp->lun, atp->nphdl, atp->sid, atp->did, atp->oxid, states[atp->state & 0x7]);
967	}
968}
969
970static inot_private_data_t *
971isp_get_ntpd(ispsoftc_t *isp, int chan)
972{
973	struct ntpdlist *ntfree;
974	inot_private_data_t *ntp;
975
976	ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree);
977	ntp = STAILQ_FIRST(ntfree);
978	if (ntp)
979		STAILQ_REMOVE_HEAD(ntfree, next);
980	return (ntp);
981}
982
983static inot_private_data_t *
984isp_find_ntpd(ispsoftc_t *isp, int chan, uint32_t tag_id, uint32_t seq_id)
985{
986	inot_private_data_t *ntp, *ntp2;
987
988	ISP_GET_PC(isp, chan, ntpool, ntp);
989	ISP_GET_PC_ADDR(isp, chan, ntpool[ATPDPSIZE], ntp2);
990	for (; ntp < ntp2; ntp++) {
991		if (ntp->tag_id == tag_id && ntp->seq_id == seq_id)
992			return (ntp);
993	}
994	return (NULL);
995}
996
997static void
998isp_put_ntpd(ispsoftc_t *isp, int chan, inot_private_data_t *ntp)
999{
1000	struct ntpdlist *ntfree;
1001
1002	ntp->tag_id = ntp->seq_id = 0;
1003	ISP_GET_PC_ADDR(isp, chan, ntfree, ntfree);
1004	STAILQ_INSERT_HEAD(ntfree, ntp, next);
1005}
1006
1007static cam_status
1008create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt)
1009{
1010	lun_id_t lun;
1011	struct tslist *lhp;
1012	tstate_t *tptr;
1013
1014	lun = xpt_path_lun_id(path);
1015	if (lun != CAM_LUN_WILDCARD) {
1016		if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) {
1017			return (CAM_LUN_INVALID);
1018		}
1019	}
1020	tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO);
1021	if (tptr == NULL) {
1022		return (CAM_RESRC_UNAVAIL);
1023	}
1024	tptr->ts_lun = lun;
1025	SLIST_INIT(&tptr->atios);
1026	SLIST_INIT(&tptr->inots);
1027	ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
1028	SLIST_INSERT_HEAD(lhp, tptr, next);
1029	*rslt = tptr;
1030	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n");
1031	return (CAM_REQ_CMP);
1032}
1033
1034static void
1035destroy_lun_state(ispsoftc_t *isp, int bus, tstate_t *tptr)
1036{
1037	union ccb *ccb;
1038	struct tslist *lhp;
1039	inot_private_data_t *ntp;
1040
1041	while ((ccb = (union ccb *)SLIST_FIRST(&tptr->atios)) != NULL) {
1042		SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1043		ccb->ccb_h.status = CAM_REQ_ABORTED;
1044		xpt_done(ccb);
1045	};
1046	while ((ccb = (union ccb *)SLIST_FIRST(&tptr->inots)) != NULL) {
1047		SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
1048		ccb->ccb_h.status = CAM_REQ_ABORTED;
1049		xpt_done(ccb);
1050	}
1051	while ((ntp = STAILQ_FIRST(&tptr->restart_queue)) != NULL) {
1052		isp_endcmd(isp, ntp->data, NIL_HANDLE, bus, SCSI_STATUS_BUSY, 0);
1053		STAILQ_REMOVE_HEAD(&tptr->restart_queue, next);
1054		isp_put_ntpd(isp, bus, ntp);
1055	}
1056	ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp);
1057	SLIST_REMOVE(lhp, tptr, tstate, next);
1058	free(tptr, M_DEVBUF);
1059}
1060
1061static void
1062isp_enable_lun(ispsoftc_t *isp, union ccb *ccb)
1063{
1064	tstate_t *tptr;
1065	int bus;
1066	target_id_t target;
1067	lun_id_t lun;
1068
1069	if (!IS_FC(isp) || !ISP_CAP_TMODE(isp) || !ISP_CAP_SCCFW(isp)) {
1070		xpt_print(ccb->ccb_h.path, "Target mode is not supported\n");
1071		ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1072		xpt_done(ccb);
1073		return;
1074	}
1075
1076	/*
1077	 * We only support either target and lun both wildcard
1078	 * or target and lun both non-wildcard.
1079	 */
1080	bus = XS_CHANNEL(ccb);
1081	target = ccb->ccb_h.target_id;
1082	lun = ccb->ccb_h.target_lun;
1083	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1084	    "enabling lun %jx\n", (uintmax_t)lun);
1085	if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1086		ccb->ccb_h.status = CAM_LUN_INVALID;
1087		xpt_done(ccb);
1088		return;
1089	}
1090
1091	/* Create the state pointer. It should not already exist. */
1092	tptr = get_lun_statep(isp, bus, lun);
1093	if (tptr) {
1094		ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
1095		xpt_done(ccb);
1096		return;
1097	}
1098	ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
1099	if (ccb->ccb_h.status != CAM_REQ_CMP) {
1100		xpt_done(ccb);
1101		return;
1102	}
1103
1104	ccb->ccb_h.status = CAM_REQ_CMP;
1105	xpt_done(ccb);
1106}
1107
1108static void
1109isp_disable_lun(ispsoftc_t *isp, union ccb *ccb)
1110{
1111	tstate_t *tptr = NULL;
1112	int bus;
1113	target_id_t target;
1114	lun_id_t lun;
1115
1116	bus = XS_CHANNEL(ccb);
1117	target = ccb->ccb_h.target_id;
1118	lun = ccb->ccb_h.target_lun;
1119	ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1120	    "disabling lun %jx\n", (uintmax_t)lun);
1121	if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1122		ccb->ccb_h.status = CAM_LUN_INVALID;
1123		xpt_done(ccb);
1124		return;
1125	}
1126
1127	/* Find the state pointer. */
1128	if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) {
1129		ccb->ccb_h.status = CAM_PATH_INVALID;
1130		xpt_done(ccb);
1131		return;
1132	}
1133
1134	destroy_lun_state(isp, bus, tptr);
1135	ccb->ccb_h.status = CAM_REQ_CMP;
1136	xpt_done(ccb);
1137}
1138
1139static void
1140isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how)
1141{
1142	int fctape, sendstatus, resid;
1143	fcparam *fcp;
1144	atio_private_data_t *atp;
1145	struct ccb_scsiio *cso;
1146	struct isp_ccbq *waitq;
1147	uint32_t dmaresult, handle, xfrlen, sense_length, tmp;
1148	uint8_t local[QENTRY_LEN];
1149
1150	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,
1151	    (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0));
1152
1153	ISP_GET_PC_ADDR(isp, XS_CHANNEL(ccb), waitq, waitq);
1154	switch (how) {
1155	case FROM_CAM:
1156		/*
1157		 * Insert at the tail of the list, if any, waiting CTIO CCBs
1158		 */
1159		TAILQ_INSERT_TAIL(waitq, &ccb->ccb_h, periph_links.tqe);
1160		break;
1161	case FROM_TIMER:
1162	case FROM_SRR:
1163	case FROM_CTIO_DONE:
1164		TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1165		break;
1166	}
1167
1168	while ((ccb = (union ccb *) TAILQ_FIRST(waitq)) != NULL) {
1169		TAILQ_REMOVE(waitq, &ccb->ccb_h, periph_links.tqe);
1170
1171		cso = &ccb->csio;
1172		xfrlen = cso->dxfer_len;
1173		if (xfrlen == 0) {
1174			if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
1175				ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n");
1176				ccb->ccb_h.status = CAM_REQ_INVALID;
1177				xpt_done(ccb);
1178				continue;
1179			}
1180		}
1181
1182		atp = isp_find_atpd(isp, XS_CHANNEL(ccb), cso->tag_id);
1183		if (atp == NULL) {
1184			isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__);
1185			isp_dump_atpd(isp, XS_CHANNEL(ccb));
1186			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1187			xpt_done(ccb);
1188			continue;
1189		}
1190
1191		/*
1192		 * Is this command a dead duck?
1193		 */
1194		if (atp->dead) {
1195			isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id);
1196			ccb->ccb_h.status = CAM_REQ_ABORTED;
1197			xpt_done(ccb);
1198			continue;
1199		}
1200
1201		/*
1202		 * Check to make sure we're still in target mode.
1203		 */
1204		fcp = FCPARAM(isp, XS_CHANNEL(ccb));
1205		if ((fcp->role & ISP_ROLE_TARGET) == 0) {
1206			isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id);
1207			ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1208			xpt_done(ccb);
1209			continue;
1210		}
1211
1212		/*
1213		 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which
1214		 * could be split into two CTIOs to split data and status).
1215		 */
1216		if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) {
1217			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);
1218			TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1219			break;
1220		}
1221
1222		/*
1223		 * Does the initiator expect FC-Tape style responses?
1224		 */
1225		if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) {
1226			fctape = 1;
1227		} else {
1228			fctape = 0;
1229		}
1230
1231		/*
1232		 * If we already did the data xfer portion of a CTIO that sends data
1233		 * and status, don't do it again and do the status portion now.
1234		 */
1235		if (atp->sendst) {
1236			isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u",
1237			    cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit);
1238			xfrlen = 0;	/* we already did the data transfer */
1239			atp->sendst = 0;
1240		}
1241		if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1242			sendstatus = 1;
1243		} else {
1244			sendstatus = 0;
1245		}
1246
1247		if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
1248			KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?"));
1249			/*
1250			 * Sense length is not the entire sense data structure size. Periph
1251			 * drivers don't seem to be setting sense_len to reflect the actual
1252			 * size. We'll peek inside to get the right amount.
1253			 */
1254			sense_length = cso->sense_len;
1255
1256			/*
1257			 * This 'cannot' happen
1258			 */
1259			if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) {
1260				sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE;
1261			}
1262		} else {
1263			sense_length = 0;
1264		}
1265
1266		memset(local, 0, QENTRY_LEN);
1267
1268		/*
1269		 * Check for overflow
1270		 */
1271		tmp = atp->bytes_xfered + atp->bytes_in_transit;
1272		if (xfrlen > 0 && tmp > atp->orig_datalen) {
1273			isp_prt(isp, ISP_LOGERR,
1274			    "%s: [0x%x] data overflow by %u bytes", __func__,
1275			    cso->tag_id, tmp + xfrlen - atp->orig_datalen);
1276			ccb->ccb_h.status = CAM_DATA_RUN_ERR;
1277			xpt_done(ccb);
1278			continue;
1279		}
1280		if (xfrlen > atp->orig_datalen - tmp) {
1281			xfrlen = atp->orig_datalen - tmp;
1282			if (xfrlen == 0 && !sendstatus) {
1283				cso->resid = cso->dxfer_len;
1284				ccb->ccb_h.status = CAM_REQ_CMP;
1285				xpt_done(ccb);
1286				continue;
1287			}
1288		}
1289
1290		if (IS_24XX(isp)) {
1291			ct7_entry_t *cto = (ct7_entry_t *) local;
1292
1293			cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
1294			cto->ct_header.rqs_entry_count = 1;
1295			cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1296			ATPD_SET_SEQNO(cto, atp);
1297			cto->ct_nphdl = atp->nphdl;
1298			cto->ct_rxid = atp->tag;
1299			cto->ct_iid_lo = atp->sid;
1300			cto->ct_iid_hi = atp->sid >> 16;
1301			cto->ct_oxid = atp->oxid;
1302			cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb));
1303			cto->ct_timeout = (XS_TIME(ccb) + 999) / 1000;
1304			cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT;
1305
1306			/*
1307			 * Mode 1, status, no data. Only possible when we are sending status, have
1308			 * no data to transfer, and any sense data can fit into a ct7_entry_t.
1309			 *
1310			 * Mode 2, status, no data. We have to use this in the case that
1311			 * the sense data won't fit into a ct7_entry_t.
1312			 *
1313			 */
1314			if (sendstatus && xfrlen == 0) {
1315				cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA;
1316				resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1317				if (sense_length <= MAXRESPLEN_24XX) {
1318					cto->ct_flags |= CT7_FLAG_MODE1;
1319					cto->ct_scsi_status = cso->scsi_status;
1320					if (resid < 0) {
1321						cto->ct_resid = -resid;
1322						cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8);
1323					} else if (resid > 0) {
1324						cto->ct_resid = resid;
1325						cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
1326					}
1327					if (fctape) {
1328						cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1329					}
1330					if (sense_length) {
1331						cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
1332						cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length;
1333						memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1334					}
1335				} else {
1336					bus_addr_t addr;
1337					char buf[XCMD_SIZE];
1338					fcp_rsp_iu_t *rp;
1339
1340					if (atp->ests == NULL) {
1341						atp->ests = isp_get_ecmd(isp);
1342						if (atp->ests == NULL) {
1343							TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1344							break;
1345						}
1346					}
1347					memset(buf, 0, sizeof (buf));
1348					rp = (fcp_rsp_iu_t *)buf;
1349					if (fctape) {
1350						cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1351						rp->fcp_rsp_bits |= FCP_CONF_REQ;
1352					}
1353					cto->ct_flags |= CT7_FLAG_MODE2;
1354	        			rp->fcp_rsp_scsi_status = cso->scsi_status;
1355					if (resid < 0) {
1356						rp->fcp_rsp_resid = -resid;
1357						rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1358					} else if (resid > 0) {
1359						rp->fcp_rsp_resid = resid;
1360						rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1361					}
1362					if (sense_length) {
1363	        				rp->fcp_rsp_snslen = sense_length;
1364						cto->ct_senselen = sense_length;
1365						rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1366						isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1367						memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1368					} else {
1369						isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1370					}
1371					if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1372						isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1373					}
1374					addr = isp->isp_osinfo.ecmd_dma;
1375					addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1376					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,
1377					    (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1378					cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1379					cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr);
1380					cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr);
1381					cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1382				}
1383				if (sense_length) {
1384					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__,
1385					    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,
1386					    cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1387				} else {
1388					isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__,
1389					    cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid);
1390				}
1391				atp->state = ATPD_STATE_LAST_CTIO;
1392			}
1393
1394			/*
1395			 * Mode 0 data transfers, *possibly* with status.
1396			 */
1397			if (xfrlen != 0) {
1398				cto->ct_flags |= CT7_FLAG_MODE0;
1399				if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1400					cto->ct_flags |= CT7_DATA_IN;
1401				} else {
1402					cto->ct_flags |= CT7_DATA_OUT;
1403				}
1404
1405				cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit;
1406				cto->rsp.m0.ct_xfrlen = xfrlen;
1407
1408#ifdef	DEBUG
1409				if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) {
1410					isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2));
1411					ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0;
1412					cto->rsp.m0.ct_xfrlen -= xfrlen >> 2;
1413				}
1414#endif
1415				if (sendstatus) {
1416					resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1417					if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) {
1418						cto->ct_flags |= CT7_SENDSTATUS;
1419						atp->state = ATPD_STATE_LAST_CTIO;
1420						if (fctape) {
1421							cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1422						}
1423					} else {
1424						atp->sendst = 1;	/* send status later */
1425						cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1426						atp->state = ATPD_STATE_CTIO;
1427					}
1428				} else {
1429					atp->state = ATPD_STATE_CTIO;
1430				}
1431				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__,
1432				    cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered);
1433			}
1434		} else {
1435			ct2_entry_t *cto = (ct2_entry_t *) local;
1436
1437			if (isp->isp_osinfo.sixtyfourbit)
1438				cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3;
1439			else
1440				cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1441			cto->ct_header.rqs_entry_count = 1;
1442			cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1443			ATPD_SET_SEQNO(cto, atp);
1444			if (ISP_CAP_2KLOGIN(isp)) {
1445				((ct2e_entry_t *)cto)->ct_iid = atp->nphdl;
1446			} else {
1447				cto->ct_iid = atp->nphdl;
1448				if (ISP_CAP_SCCFW(isp) == 0) {
1449					cto->ct_lun = ccb->ccb_h.target_lun;
1450				}
1451			}
1452			cto->ct_timeout = (XS_TIME(ccb) + 999) / 1000;
1453			cto->ct_rxid = cso->tag_id;
1454
1455			/*
1456			 * Mode 1, status, no data. Only possible when we are sending status, have
1457			 * no data to transfer, and the sense length can fit in the ct7_entry.
1458			 *
1459			 * Mode 2, status, no data. We have to use this in the case the response
1460			 * length won't fit into a ct2_entry_t.
1461			 *
1462			 * We'll fill out this structure with information as if this were a
1463			 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as
1464			 * needed based upon this.
1465			 */
1466			if (sendstatus && xfrlen == 0) {
1467				cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA;
1468				resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1469				if (sense_length <= MAXRESPLEN) {
1470					if (resid < 0) {
1471						cto->ct_resid = -resid;
1472					} else if (resid > 0) {
1473						cto->ct_resid = resid;
1474					}
1475					cto->ct_flags |= CT2_FLAG_MODE1;
1476					cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1477					if (resid < 0) {
1478						cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER;
1479					} else if (resid > 0) {
1480						cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER;
1481					}
1482					if (fctape) {
1483						cto->ct_flags |= CT2_CONFIRM;
1484					}
1485					if (sense_length) {
1486						cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1487						cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length;
1488						memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1489					}
1490				} else {
1491					bus_addr_t addr;
1492					char buf[XCMD_SIZE];
1493					fcp_rsp_iu_t *rp;
1494
1495					if (atp->ests == NULL) {
1496						atp->ests = isp_get_ecmd(isp);
1497						if (atp->ests == NULL) {
1498							TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1499							break;
1500						}
1501					}
1502					memset(buf, 0, sizeof (buf));
1503					rp = (fcp_rsp_iu_t *)buf;
1504					if (fctape) {
1505						cto->ct_flags |= CT2_CONFIRM;
1506						rp->fcp_rsp_bits |= FCP_CONF_REQ;
1507					}
1508					cto->ct_flags |= CT2_FLAG_MODE2;
1509	        			rp->fcp_rsp_scsi_status = cso->scsi_status;
1510					if (resid < 0) {
1511						rp->fcp_rsp_resid = -resid;
1512						rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1513					} else if (resid > 0) {
1514						rp->fcp_rsp_resid = resid;
1515						rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1516					}
1517					if (sense_length) {
1518	        				rp->fcp_rsp_snslen = sense_length;
1519						rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1520						isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1521						memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1522					} else {
1523						isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1524					}
1525					if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1526						isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1527					}
1528					addr = isp->isp_osinfo.ecmd_dma;
1529					addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1530					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,
1531					    (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1532					cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1533					if (isp->isp_osinfo.sixtyfourbit) {
1534						cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr);
1535						cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr);
1536						cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1537					} else {
1538						cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr);
1539						cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1540					}
1541				}
1542				if (sense_length) {
1543					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__,
1544					    cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid,
1545					    cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1546				} else {
1547					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,
1548					    ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid);
1549				}
1550				atp->state = ATPD_STATE_LAST_CTIO;
1551			}
1552
1553			if (xfrlen != 0) {
1554				cto->ct_flags |= CT2_FLAG_MODE0;
1555				if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1556					cto->ct_flags |= CT2_DATA_IN;
1557				} else {
1558					cto->ct_flags |= CT2_DATA_OUT;
1559				}
1560
1561				cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit;
1562				cto->rsp.m0.ct_xfrlen = xfrlen;
1563
1564				if (sendstatus) {
1565					resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1566					if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) {
1567						cto->ct_flags |= CT2_SENDSTATUS;
1568						atp->state = ATPD_STATE_LAST_CTIO;
1569						if (fctape) {
1570							cto->ct_flags |= CT2_CONFIRM;
1571						}
1572					} else {
1573						atp->sendst = 1;	/* send status later */
1574						cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1575						atp->state = ATPD_STATE_CTIO;
1576					}
1577				} else {
1578					atp->state = ATPD_STATE_CTIO;
1579				}
1580			}
1581			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,
1582			    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);
1583		}
1584
1585		if (isp_get_pcmd(isp, ccb)) {
1586			ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n");
1587			TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1588			break;
1589		}
1590		handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET);
1591		if (handle == 0) {
1592			ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__);
1593			TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1594			isp_free_pcmd(isp, ccb);
1595			break;
1596		}
1597		atp->bytes_in_transit += xfrlen;
1598		PISP_PCMD(ccb)->datalen = xfrlen;
1599
1600
1601		/*
1602		 * Call the dma setup routines for this entry (and any subsequent
1603		 * CTIOs) if there's data to move, and then tell the f/w it's got
1604		 * new things to play with. As with isp_start's usage of DMA setup,
1605		 * any swizzling is done in the machine dependent layer. Because
1606		 * of this, we put the request onto the queue area first in native
1607		 * format.
1608		 */
1609
1610		if (IS_24XX(isp)) {
1611			ct7_entry_t *cto = (ct7_entry_t *) local;
1612			cto->ct_syshandle = handle;
1613		} else {
1614			ct2_entry_t *cto = (ct2_entry_t *) local;
1615			cto->ct_syshandle = handle;
1616		}
1617
1618		dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local);
1619		if (dmaresult != CMD_QUEUED) {
1620			isp_destroy_handle(isp, handle);
1621			isp_free_pcmd(isp, ccb);
1622			if (dmaresult == CMD_EAGAIN) {
1623				TAILQ_INSERT_HEAD(waitq, &ccb->ccb_h, periph_links.tqe);
1624				break;
1625			}
1626			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1627			xpt_done(ccb);
1628			continue;
1629		}
1630		isp->isp_nactive++;
1631		ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED;
1632		if (xfrlen) {
1633			ccb->ccb_h.spriv_field0 = atp->bytes_xfered;
1634		} else {
1635			ccb->ccb_h.spriv_field0 = ~0;
1636		}
1637		atp->ctcnt++;
1638		atp->seqno++;
1639	}
1640}
1641
1642static void
1643isp_refire_putback_atio(void *arg)
1644{
1645	union ccb *ccb = arg;
1646
1647	ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb));
1648	isp_target_putback_atio(ccb);
1649}
1650
1651static void
1652isp_refire_notify_ack(void *arg)
1653{
1654	isp_tna_t *tp  = arg;
1655	ispsoftc_t *isp = tp->isp;
1656
1657	ISP_ASSERT_LOCKED(isp);
1658	if (isp_notify_ack(isp, tp->not)) {
1659		callout_schedule(&tp->timer, 5);
1660	} else {
1661		free(tp, M_DEVBUF);
1662	}
1663}
1664
1665
1666static void
1667isp_target_putback_atio(union ccb *ccb)
1668{
1669	ispsoftc_t *isp;
1670	struct ccb_scsiio *cso;
1671	void *qe;
1672	at2_entry_t local, *at = &local;
1673
1674	isp = XS_ISP(ccb);
1675
1676	qe = isp_getrqentry(isp);
1677	if (qe == NULL) {
1678		xpt_print(ccb->ccb_h.path,
1679		    "%s: Request Queue Overflow\n", __func__);
1680		callout_reset(&PISP_PCMD(ccb)->wdog, 10,
1681		    isp_refire_putback_atio, ccb);
1682		return;
1683	}
1684	memset(qe, 0, QENTRY_LEN);
1685	cso = &ccb->csio;
1686	ISP_MEMZERO(at, sizeof (at2_entry_t));
1687	at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
1688	at->at_header.rqs_entry_count = 1;
1689	if (ISP_CAP_SCCFW(isp)) {
1690		at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
1691	} else {
1692		at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
1693	}
1694	at->at_status = CT_OK;
1695	at->at_rxid = cso->tag_id;
1696	at->at_iid = cso->ccb_h.target_id;
1697	isp_put_atio2(isp, at, qe);
1698	ISP_TDQE(isp, "isp_target_putback_atio", isp->isp_reqidx, qe);
1699	ISP_SYNC_REQUEST(isp);
1700	isp_complete_ctio(ccb);
1701}
1702
1703static void
1704isp_complete_ctio(union ccb *ccb)
1705{
1706	if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
1707		ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1708		xpt_done(ccb);
1709	}
1710}
1711
1712static void
1713isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep)
1714{
1715	fcparam *fcp;
1716	lun_id_t lun;
1717	fcportdb_t *lp;
1718	tstate_t *tptr;
1719	struct ccb_accept_tio *atiop;
1720	uint16_t nphdl;
1721	atio_private_data_t *atp;
1722	inot_private_data_t *ntp;
1723
1724	/*
1725	 * The firmware status (except for the QLTM_SVALID bit)
1726	 * indicates why this ATIO was sent to us.
1727	 *
1728	 * If QLTM_SVALID is set, the firmware has recommended Sense Data.
1729	 */
1730	if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
1731		isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status);
1732		isp_endcmd(isp, aep, NIL_HANDLE, 0, SCSI_STATUS_BUSY, 0);
1733		return;
1734	}
1735
1736	fcp = FCPARAM(isp, 0);
1737	if (ISP_CAP_SCCFW(isp)) {
1738		lun = aep->at_scclun;
1739	} else {
1740		lun = aep->at_lun;
1741	}
1742	if (ISP_CAP_2KLOGIN(isp)) {
1743		nphdl = ((at2e_entry_t *)aep)->at_iid;
1744	} else {
1745		nphdl = aep->at_iid;
1746	}
1747	tptr = get_lun_statep(isp, 0, lun);
1748	if (tptr == NULL) {
1749		tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1750		if (tptr == NULL) {
1751			isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %jx or wildcard", __func__, aep->at_rxid, (uintmax_t)lun);
1752			if (lun == 0) {
1753				isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
1754			} else {
1755				isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1756			}
1757			return;
1758		}
1759	}
1760
1761	/*
1762	 * Start any commands pending resources first.
1763	 */
1764	if (isp_atio_restart(isp, 0, tptr))
1765		goto noresrc;
1766
1767	atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1768	if (atiop == NULL) {
1769		goto noresrc;
1770	}
1771
1772	atp = isp_get_atpd(isp, 0, aep->at_rxid);
1773	if (atp == NULL) {
1774		goto noresrc;
1775	}
1776
1777	atp->state = ATPD_STATE_ATIO;
1778	SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1779	tptr->atio_count--;
1780	isp_prt(isp, ISP_LOGTDEBUG2, "Take FREE ATIO count now %d", tptr->atio_count);
1781	atiop->ccb_h.target_id = fcp->isp_loopid;
1782	atiop->ccb_h.target_lun = lun;
1783
1784	/*
1785	 * We don't get 'suggested' sense data as we do with SCSI cards.
1786	 */
1787	atiop->sense_len = 0;
1788
1789	/*
1790	 * If we're not in the port database, add ourselves.
1791	 */
1792	if (IS_2100(isp))
1793		atiop->init_id = nphdl;
1794	else {
1795		if ((isp_find_pdb_by_handle(isp, 0, nphdl, &lp) == 0 ||
1796		     lp->state == FC_PORTDB_STATE_ZOMBIE)) {
1797			uint64_t wwpn =
1798				(((uint64_t) aep->at_wwpn[0]) << 48) |
1799				(((uint64_t) aep->at_wwpn[1]) << 32) |
1800				(((uint64_t) aep->at_wwpn[2]) << 16) |
1801				(((uint64_t) aep->at_wwpn[3]) <<  0);
1802			isp_add_wwn_entry(isp, 0, wwpn, INI_NONE,
1803			    nphdl, PORT_ANY, 0);
1804			if (fcp->isp_loopstate > LOOP_LTEST_DONE)
1805				fcp->isp_loopstate = LOOP_LTEST_DONE;
1806			isp_async(isp, ISPASYNC_CHANGE_NOTIFY, 0,
1807			    ISPASYNC_CHANGE_PDB, nphdl, 0x06, 0xff);
1808			isp_find_pdb_by_handle(isp, 0, nphdl, &lp);
1809		}
1810		atiop->init_id = FC_PORTDB_TGT(isp, 0, lp);
1811	}
1812	atiop->cdb_len = ATIO2_CDBLEN;
1813	ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
1814	atiop->ccb_h.status = CAM_CDB_RECVD;
1815	atiop->tag_id = atp->tag;
1816	switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
1817	case ATIO2_TC_ATTR_SIMPLEQ:
1818		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1819		atiop->tag_action = MSG_SIMPLE_Q_TAG;
1820		break;
1821	case ATIO2_TC_ATTR_HEADOFQ:
1822		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1823		atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1824		break;
1825	case ATIO2_TC_ATTR_ORDERED:
1826		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1827		atiop->tag_action = MSG_ORDERED_Q_TAG;
1828		break;
1829	case ATIO2_TC_ATTR_ACAQ:		/* ?? */
1830	case ATIO2_TC_ATTR_UNTAGGED:
1831	default:
1832		atiop->tag_action = 0;
1833		break;
1834	}
1835
1836	atp->orig_datalen = aep->at_datalen;
1837	atp->bytes_xfered = 0;
1838	atp->lun = lun;
1839	atp->nphdl = nphdl;
1840	atp->sid = PORT_ANY;
1841	atp->oxid = aep->at_oxid;
1842	atp->cdb0 = aep->at_cdb[0];
1843	atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK;
1844	atp->state = ATPD_STATE_CAM;
1845	xpt_done((union ccb *)atiop);
1846	isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %jx datalen %u", aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen);
1847	return;
1848noresrc:
1849	ntp = isp_get_ntpd(isp, 0);
1850	if (ntp == NULL) {
1851		isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
1852		return;
1853	}
1854	memcpy(ntp->data, aep, QENTRY_LEN);
1855	STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next);
1856}
1857
1858static void
1859isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep)
1860{
1861	int cdbxlen;
1862	lun_id_t lun;
1863	uint16_t chan, nphdl = NIL_HANDLE;
1864	uint32_t did, sid;
1865	fcportdb_t *lp;
1866	tstate_t *tptr;
1867	struct ccb_accept_tio *atiop;
1868	atio_private_data_t *atp = NULL;
1869	atio_private_data_t *oatp;
1870	inot_private_data_t *ntp;
1871
1872	did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
1873	sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
1874	lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun));
1875
1876	/*
1877	 * Find the N-port handle, and Virtual Port Index for this command.
1878	 *
1879	 * If we can't, we're somewhat in trouble because we can't actually respond w/o that information.
1880	 * We also, as a matter of course, need to know the WWN of the initiator too.
1881	 */
1882	if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) {
1883		/*
1884		 * Find the right channel based upon D_ID
1885		 */
1886		isp_find_chan_by_did(isp, did, &chan);
1887
1888		if (chan == ISP_NOCHAN) {
1889			NANOTIME_T now;
1890
1891			/*
1892			 * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup
1893			 * It's a bit tricky here as we need to stash this command *somewhere*.
1894			 */
1895			GET_NANOTIME(&now);
1896			if (NANOTIME_SUB(&now, &isp->isp_init_time) > 2000000000ULL) {
1897				isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did);
1898				isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
1899				return;
1900			}
1901			tptr = get_lun_statep(isp, 0, 0);
1902			if (tptr == NULL) {
1903				tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1904				if (tptr == NULL) {
1905					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);
1906					isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
1907					return;
1908				}
1909			}
1910			isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did);
1911			goto noresrc;
1912		}
1913		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);
1914	} else {
1915		chan = 0;
1916	}
1917
1918	/*
1919	 * Find the PDB entry for this initiator
1920	 */
1921	if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) {
1922		/*
1923		 * If we're not in the port database terminate the exchange.
1924		 */
1925		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",
1926		    __func__, aep->at_rxid, did, chan, sid);
1927		isp_dump_portdb(isp, chan);
1928		isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0);
1929		return;
1930	}
1931	nphdl = lp->handle;
1932
1933	/*
1934	 * Get the tstate pointer
1935	 */
1936	tptr = get_lun_statep(isp, chan, lun);
1937	if (tptr == NULL) {
1938		tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD);
1939		if (tptr == NULL) {
1940			isp_prt(isp, ISP_LOGWARN,
1941			    "%s: [0x%x] no state pointer for lun %jx or wildcard",
1942			    __func__, aep->at_rxid, (uintmax_t)lun);
1943			if (lun == 0) {
1944				isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
1945			} else {
1946				isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1947			}
1948			return;
1949		}
1950	}
1951
1952	/*
1953	 * Start any commands pending resources first.
1954	 */
1955	if (isp_atio_restart(isp, chan, tptr))
1956		goto noresrc;
1957
1958	/*
1959	 * If the f/w is out of resources, just send a BUSY status back.
1960	 */
1961	if (aep->at_rxid == AT7_NORESRC_RXID) {
1962		isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
1963		return;
1964	}
1965
1966	/*
1967	 * If we're out of resources, just send a BUSY status back.
1968	 */
1969	atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1970	if (atiop == NULL) {
1971		isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid);
1972		goto noresrc;
1973	}
1974
1975	oatp = isp_find_atpd(isp, chan, aep->at_rxid);
1976	if (oatp) {
1977		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",
1978		    aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state);
1979		/*
1980		 * It's not a "no resource" condition- but we can treat it like one
1981		 */
1982		goto noresrc;
1983	}
1984	atp = isp_get_atpd(isp, chan, aep->at_rxid);
1985	if (atp == NULL) {
1986		isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid);
1987		goto noresrc;
1988	}
1989	atp->word3 = lp->prli_word3;
1990	atp->state = ATPD_STATE_ATIO;
1991	SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1992	tptr->atio_count--;
1993	ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
1994	atiop->init_id = FC_PORTDB_TGT(isp, chan, lp);
1995	atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid;
1996	atiop->ccb_h.target_lun = lun;
1997	atiop->sense_len = 0;
1998	cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT;
1999	if (cdbxlen) {
2000		isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored");
2001	}
2002	cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb);
2003	ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen);
2004	atiop->cdb_len = cdbxlen;
2005	atiop->ccb_h.status = CAM_CDB_RECVD;
2006	atiop->tag_id = atp->tag;
2007	switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) {
2008	case FCP_CMND_TASK_ATTR_SIMPLE:
2009		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2010		atiop->tag_action = MSG_SIMPLE_Q_TAG;
2011		break;
2012	case FCP_CMND_TASK_ATTR_HEAD:
2013		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2014		atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2015		break;
2016	case FCP_CMND_TASK_ATTR_ORDERED:
2017		atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2018		atiop->tag_action = MSG_ORDERED_Q_TAG;
2019		break;
2020	default:
2021		/* FALLTHROUGH */
2022	case FCP_CMND_TASK_ATTR_ACA:
2023	case FCP_CMND_TASK_ATTR_UNTAGGED:
2024		atiop->tag_action = 0;
2025		break;
2026	}
2027	atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
2028	atp->bytes_xfered = 0;
2029	atp->lun = lun;
2030	atp->nphdl = nphdl;
2031	atp->sid = sid;
2032	atp->did = did;
2033	atp->oxid = aep->at_hdr.ox_id;
2034	atp->rxid = aep->at_hdr.rx_id;
2035	atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
2036	atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK;
2037	atp->state = ATPD_STATE_CAM;
2038	isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u",
2039	    aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen);
2040	xpt_done((union ccb *)atiop);
2041	return;
2042noresrc:
2043	if (atp)
2044		isp_put_atpd(isp, chan, atp);
2045	ntp = isp_get_ntpd(isp, chan);
2046	if (ntp == NULL) {
2047		isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
2048		return;
2049	}
2050	memcpy(ntp->data, aep, QENTRY_LEN);
2051	STAILQ_INSERT_TAIL(&tptr->restart_queue, ntp, next);
2052}
2053
2054
2055/*
2056 * Handle starting an SRR (sequence retransmit request)
2057 * We get here when we've gotten the immediate notify
2058 * and the return of all outstanding CTIOs for this
2059 * transaction.
2060 */
2061static void
2062isp_handle_srr_start(ispsoftc_t *isp, atio_private_data_t *atp)
2063{
2064	in_fcentry_24xx_t *inot;
2065	uint32_t srr_off, ccb_off, ccb_len, ccb_end;
2066	union ccb *ccb;
2067
2068	inot = (in_fcentry_24xx_t *)atp->srr;
2069	srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16);
2070	ccb = atp->srr_ccb;
2071	atp->srr_ccb = NULL;
2072	atp->nsrr++;
2073	if (ccb == NULL) {
2074		isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag);
2075		goto fail;
2076	}
2077
2078	ccb_off = ccb->ccb_h.spriv_field0;
2079	ccb_len = ccb->csio.dxfer_len;
2080        ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len;
2081
2082	switch (inot->in_srr_iu) {
2083	case R_CTL_INFO_SOLICITED_DATA:
2084		/*
2085		 * We have to restart a FCP_DATA data out transaction
2086		 */
2087		atp->sendst = 0;
2088		atp->bytes_xfered = srr_off;
2089		if (ccb_len == 0) {
2090			isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off);
2091			goto mdp;
2092		}
2093 		if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) {
2094			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);
2095			goto mdp;
2096		}
2097		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);
2098		break;
2099	case R_CTL_INFO_COMMAND_STATUS:
2100		isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag);
2101		atp->sendst = 1;
2102		/*
2103		 * We have to restart a FCP_RSP IU transaction
2104		 */
2105		break;
2106	case R_CTL_INFO_DATA_DESCRIPTOR:
2107		/*
2108		 * We have to restart an FCP DATA in transaction
2109		 */
2110		isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping");
2111		goto fail;
2112
2113	default:
2114		isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu);
2115		goto fail;
2116	}
2117
2118	/*
2119	 * We can't do anything until this is acked, so we might as well start it now.
2120	 * We aren't going to do the usual asynchronous ack issue because we need
2121	 * to make sure this gets on the wire first.
2122	 */
2123	if (isp_notify_ack(isp, inot)) {
2124		isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2125		goto fail;
2126	}
2127	isp_target_start_ctio(isp, ccb, FROM_SRR);
2128	return;
2129fail:
2130	inot->in_reserved = 1;
2131	isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2132	ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2133	ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2134	isp_complete_ctio(ccb);
2135	return;
2136mdp:
2137	if (isp_notify_ack(isp, inot)) {
2138		isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2139		goto fail;
2140	}
2141	ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2142	ccb->ccb_h.status = CAM_MESSAGE_RECV;
2143	/*
2144	 * This is not a strict interpretation of MDP, but it's close
2145	 */
2146	ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16];
2147	ccb->csio.msg_len = 7;
2148	ccb->csio.msg_ptr[0] = MSG_EXTENDED;
2149	ccb->csio.msg_ptr[1] = 5;
2150	ccb->csio.msg_ptr[2] = 0;	/* modify data pointer */
2151	ccb->csio.msg_ptr[3] = srr_off >> 24;
2152	ccb->csio.msg_ptr[4] = srr_off >> 16;
2153	ccb->csio.msg_ptr[5] = srr_off >> 8;
2154	ccb->csio.msg_ptr[6] = srr_off;
2155	isp_complete_ctio(ccb);
2156}
2157
2158
2159static void
2160isp_handle_srr_notify(ispsoftc_t *isp, void *inot_raw)
2161{
2162	in_fcentry_24xx_t *inot = inot_raw;
2163	atio_private_data_t *atp;
2164	uint32_t tag = inot->in_rxid;
2165	uint32_t bus = inot->in_vpidx;
2166
2167	if (!IS_24XX(isp)) {
2168		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot_raw);
2169		return;
2170	}
2171
2172	atp = isp_find_atpd(isp, bus, tag);
2173	if (atp == NULL) {
2174		isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", __func__, tag);
2175		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2176		return;
2177	}
2178	atp->srr_notify_rcvd = 1;
2179	memcpy(atp->srr, inot, sizeof (atp->srr));
2180	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,
2181	    inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16));
2182	if (atp->srr_ccb)
2183		isp_handle_srr_start(isp, atp);
2184}
2185
2186static void
2187isp_handle_platform_ctio(ispsoftc_t *isp, void *arg)
2188{
2189	union ccb *ccb;
2190	int sentstatus = 0, ok = 0, notify_cam = 0, failure = 0;
2191	atio_private_data_t *atp = NULL;
2192	int bus;
2193	uint32_t handle, data_requested, resid;
2194
2195	handle = ((ct2_entry_t *)arg)->ct_syshandle;
2196	ccb = isp_find_xs(isp, handle);
2197	if (ccb == NULL) {
2198		isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg);
2199		return;
2200	}
2201	isp_destroy_handle(isp, handle);
2202	resid = data_requested = PISP_PCMD(ccb)->datalen;
2203	isp_free_pcmd(isp, ccb);
2204	if (isp->isp_nactive) {
2205		isp->isp_nactive--;
2206	}
2207
2208	bus = XS_CHANNEL(ccb);
2209	if (IS_24XX(isp)) {
2210		atp = isp_find_atpd(isp, bus, ((ct7_entry_t *)arg)->ct_rxid);
2211	} else {
2212		atp = isp_find_atpd(isp, bus, ((ct2_entry_t *)arg)->ct_rxid);
2213	}
2214	if (atp == NULL) {
2215		/*
2216		 * XXX: isp_clear_commands() generates fake CTIO with zero
2217		 * ct_rxid value, filling only ct_syshandle.  Workaround
2218		 * that using tag_id from the CCB, pointed by ct_syshandle.
2219		 */
2220		atp = isp_find_atpd(isp, bus, ccb->csio.tag_id);
2221	}
2222	if (atp == NULL) {
2223		isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id);
2224		return;
2225	}
2226	KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero"));
2227	atp->bytes_in_transit -= data_requested;
2228	atp->ctcnt -= 1;
2229	ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2230
2231	if (IS_24XX(isp)) {
2232		ct7_entry_t *ct = arg;
2233
2234		if (ct->ct_nphdl == CT7_SRR) {
2235			atp->srr_ccb = ccb;
2236			if (atp->srr_notify_rcvd)
2237				isp_handle_srr_start(isp, atp);
2238			return;
2239		}
2240		if (ct->ct_nphdl == CT_HBA_RESET) {
2241			sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) &&
2242			    (atp->sendst == 0);
2243			failure = CAM_UNREC_HBA_ERROR;
2244		} else {
2245			sentstatus = ct->ct_flags & CT7_SENDSTATUS;
2246			ok = (ct->ct_nphdl == CT7_OK);
2247			notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2248			if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA)
2249				resid = ct->ct_resid;
2250		}
2251		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),
2252		   notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2253	} else {
2254		ct2_entry_t *ct = arg;
2255		if (ct->ct_status == CT_SRR) {
2256			atp->srr_ccb = ccb;
2257			if (atp->srr_notify_rcvd)
2258				isp_handle_srr_start(isp, atp);
2259			isp_target_putback_atio(ccb);
2260			return;
2261		}
2262		if (ct->ct_status == CT_HBA_RESET) {
2263			sentstatus = (ccb->ccb_h.flags & CAM_SEND_STATUS) &&
2264			    (atp->sendst == 0);
2265			failure = CAM_UNREC_HBA_ERROR;
2266		} else {
2267			sentstatus = ct->ct_flags & CT2_SENDSTATUS;
2268			ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2269			notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2270			if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA)
2271				resid = ct->ct_resid;
2272		}
2273		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),
2274		    notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2275	}
2276	if (ok) {
2277		if (data_requested > 0) {
2278			atp->bytes_xfered += data_requested - resid;
2279			ccb->csio.resid = ccb->csio.dxfer_len -
2280			    (data_requested - resid);
2281		}
2282		if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE))
2283			ccb->ccb_h.status |= CAM_SENT_SENSE;
2284		ccb->ccb_h.status |= CAM_REQ_CMP;
2285	} else {
2286		notify_cam = 1;
2287		if (failure == CAM_UNREC_HBA_ERROR)
2288			ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2289		else
2290			ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2291	}
2292	atp->state = ATPD_STATE_PDON;
2293
2294	/*
2295	 * We never *not* notify CAM when there has been any error (ok == 0),
2296	 * so we never need to do an ATIO putback if we're not notifying CAM.
2297	 */
2298	isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)",
2299	    (sentstatus)? "  FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0);
2300	if (notify_cam == 0) {
2301		if (atp->sendst) {
2302			isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE);
2303		}
2304		return;
2305	}
2306
2307	/*
2308	 * We are done with this ATIO if we successfully sent status.
2309	 * In all other cases expect either another CTIO or XPT_ABORT.
2310	 */
2311	if (ok && sentstatus)
2312		isp_put_atpd(isp, bus, atp);
2313
2314	/*
2315	 * We're telling CAM we're done with this CTIO transaction.
2316	 *
2317	 * 24XX cards never need an ATIO put back.
2318	 *
2319	 * Other cards need one put back only on error.
2320	 * In the latter case, a timeout will re-fire
2321	 * and try again in case we didn't have
2322	 * queue resources to do so at first. In any case,
2323	 * once the putback is done we do the completion
2324	 * call.
2325	 */
2326	if (ok || IS_24XX(isp)) {
2327		isp_complete_ctio(ccb);
2328	} else {
2329		isp_target_putback_atio(ccb);
2330	}
2331}
2332
2333static void
2334isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp)
2335{
2336	int needack = 1;
2337	switch (inp->in_status) {
2338	case IN_PORT_LOGOUT:
2339		/*
2340		 * XXX: Need to delete this initiator's WWN from the database
2341		 * XXX: Need to send this LOGOUT upstream
2342		 */
2343		isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid);
2344		break;
2345	case IN_PORT_CHANGED:
2346		isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid);
2347		break;
2348	case IN_GLOBAL_LOGO:
2349		isp_del_all_wwn_entries(isp, 0);
2350		isp_prt(isp, ISP_LOGINFO, "all ports logged out");
2351		break;
2352	case IN_ABORT_TASK:
2353	{
2354		uint16_t nphdl, lun;
2355		uint32_t sid;
2356		uint64_t wwn;
2357		fcportdb_t *lp;
2358		isp_notify_t tmp, *nt = &tmp;
2359
2360		if (ISP_CAP_SCCFW(isp)) {
2361			lun = inp->in_scclun;
2362		} else {
2363			lun = inp->in_lun;
2364		}
2365		if (ISP_CAP_2KLOGIN(isp)) {
2366			nphdl = ((in_fcentry_e_t *)inp)->in_iid;
2367		} else {
2368			nphdl = inp->in_iid;
2369		}
2370		if (isp_find_pdb_by_handle(isp, 0, nphdl, &lp)) {
2371			wwn = lp->port_wwn;
2372			sid = lp->portid;
2373		} else {
2374			wwn = INI_ANY;
2375			sid = PORT_ANY;
2376		}
2377		isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx",
2378		    inp->in_seqid, (unsigned long long) wwn);
2379
2380		ISP_MEMZERO(nt, sizeof (isp_notify_t));
2381		nt->nt_hba = isp;
2382		nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn;
2383		nt->nt_wwn = wwn;
2384		nt->nt_nphdl = nphdl;
2385		nt->nt_sid = sid;
2386		nt->nt_did = PORT_ANY;
2387		nt->nt_lun = lun;
2388		nt->nt_tagval = inp->in_seqid;
2389		nt->nt_tagval |= (((uint64_t)(isp->isp_serno++)) << 32);
2390		nt->nt_need_ack = 1;
2391		nt->nt_channel = 0;
2392		nt->nt_ncode = NT_ABORT_TASK;
2393		nt->nt_lreserved = inp;
2394		isp_handle_platform_target_tmf(isp, nt);
2395		needack = 0;
2396		break;
2397	}
2398	default:
2399		break;
2400	}
2401	if (needack) {
2402		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inp);
2403	}
2404}
2405
2406static void
2407isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot)
2408{
2409	uint16_t nphdl;
2410	uint16_t prli_options = 0;
2411	uint32_t portid;
2412	fcportdb_t *lp;
2413	char *msg = NULL;
2414	uint8_t *ptr = (uint8_t *)inot;
2415	uint64_t wwpn = INI_NONE, wwnn = INI_NONE;
2416
2417	nphdl = inot->in_nphdl;
2418	if (nphdl != NIL_HANDLE) {
2419		portid = inot->in_portid_hi << 16 | inot->in_portid_lo;
2420	} else {
2421		portid = PORT_ANY;
2422	}
2423
2424	switch (inot->in_status) {
2425	case IN24XX_ELS_RCVD:
2426	{
2427		char buf[16];
2428		int chan = ISP_GET_VPIDX(isp, inot->in_vpidx);
2429
2430		/*
2431		 * Note that we're just getting notification that an ELS was received
2432		 * (possibly with some associated information sent upstream). This is
2433		 * *not* the same as being given the ELS frame to accept or reject.
2434		 */
2435		switch (inot->in_status_subcode) {
2436		case LOGO:
2437			msg = "LOGO";
2438			wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]);
2439			isp_del_wwn_entry(isp, chan, wwpn, nphdl, portid);
2440			break;
2441		case PRLO:
2442			msg = "PRLO";
2443			break;
2444		case PLOGI:
2445			msg = "PLOGI";
2446			wwnn = be64dec(&ptr[IN24XX_PLOGI_WWNN_OFF]);
2447			wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]);
2448			isp_add_wwn_entry(isp, chan, wwpn, wwnn,
2449			    nphdl, portid, prli_options);
2450			break;
2451		case PRLI:
2452			msg = "PRLI";
2453			prli_options = inot->in_prli_options;
2454			if (inot->in_flags & IN24XX_FLAG_PN_NN_VALID)
2455				wwnn = be64dec(&ptr[IN24XX_PRLI_WWNN_OFF]);
2456			wwpn = be64dec(&ptr[IN24XX_PRLI_WWPN_OFF]);
2457			isp_add_wwn_entry(isp, chan, wwpn, wwnn,
2458			    nphdl, portid, prli_options);
2459			break;
2460		case PDISC:
2461			msg = "PDISC";
2462			break;
2463		case ADISC:
2464			msg = "ADISC";
2465			break;
2466		default:
2467			ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode);
2468			msg = buf;
2469			break;
2470		}
2471		if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) {
2472			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);
2473			break;
2474		}
2475		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,
2476		    inot->in_rxid, inot->in_oxid);
2477		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2478		break;
2479	}
2480
2481	case IN24XX_PORT_LOGOUT:
2482		msg = "PORT LOGOUT";
2483		if (isp_find_pdb_by_handle(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) {
2484			isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid);
2485		}
2486		/* FALLTHROUGH */
2487	case IN24XX_PORT_CHANGED:
2488		if (msg == NULL)
2489			msg = "PORT CHANGED";
2490		/* FALLTHROUGH */
2491	case IN24XX_LIP_RESET:
2492		if (msg == NULL)
2493			msg = "LIP RESET";
2494		isp_prt(isp, ISP_LOGINFO, "Chan %d %s (sub-status 0x%x) for N-port handle 0x%x", ISP_GET_VPIDX(isp, inot->in_vpidx), msg, inot->in_status_subcode, nphdl);
2495
2496		/*
2497		 * All subcodes here are irrelevant. What is relevant
2498		 * is that we need to terminate all active commands from
2499		 * this initiator (known by N-port handle).
2500		 */
2501		/* XXX IMPLEMENT XXX */
2502		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2503		break;
2504
2505	case IN24XX_SRR_RCVD:
2506#ifdef	ISP_TARGET_MODE
2507		isp_handle_srr_notify(isp, inot);
2508		break;
2509#else
2510		if (msg == NULL)
2511			msg = "SRR RCVD";
2512		/* FALLTHROUGH */
2513#endif
2514	case IN24XX_LINK_RESET:
2515		if (msg == NULL)
2516			msg = "LINK RESET";
2517	case IN24XX_LINK_FAILED:
2518		if (msg == NULL)
2519			msg = "LINK FAILED";
2520	default:
2521		isp_prt(isp, ISP_LOGWARN, "Chan %d %s", ISP_GET_VPIDX(isp, inot->in_vpidx), msg);
2522		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2523		break;
2524	}
2525}
2526
2527static int
2528isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp, uint32_t rsp)
2529{
2530
2531	if (isp->isp_state != ISP_RUNSTATE) {
2532		isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL);
2533		return (0);
2534	}
2535
2536	/*
2537	 * This case is for a Task Management Function, which shows up as an ATIO7 entry.
2538	 */
2539	if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) {
2540		ct7_entry_t local, *cto = &local;
2541		at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved;
2542		fcportdb_t *lp;
2543		uint32_t sid;
2544		uint16_t nphdl;
2545
2546		sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2547		if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) {
2548			nphdl = lp->handle;
2549		} else {
2550			nphdl = NIL_HANDLE;
2551		}
2552		ISP_MEMZERO(&local, sizeof (local));
2553		cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2554		cto->ct_header.rqs_entry_count = 1;
2555		cto->ct_nphdl = nphdl;
2556		cto->ct_rxid = aep->at_rxid;
2557		cto->ct_vpidx = mp->nt_channel;
2558		cto->ct_iid_lo = sid;
2559		cto->ct_iid_hi = sid >> 16;
2560		cto->ct_oxid = aep->at_hdr.ox_id;
2561		cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1;
2562		cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT;
2563		if (rsp != 0) {
2564			cto->ct_scsi_status |= (FCP_RSPLEN_VALID << 8);
2565			cto->rsp.m1.ct_resplen = 4;
2566			ISP_MEMZERO(cto->rsp.m1.ct_resp, sizeof (cto->rsp.m1.ct_resp));
2567			cto->rsp.m1.ct_resp[0] = rsp & 0xff;
2568			cto->rsp.m1.ct_resp[1] = (rsp >> 8) & 0xff;
2569			cto->rsp.m1.ct_resp[2] = (rsp >> 16) & 0xff;
2570			cto->rsp.m1.ct_resp[3] = (rsp >> 24) & 0xff;
2571		}
2572		return (isp_target_put_entry(isp, &local));
2573	}
2574
2575	/*
2576	 * This case is for a responding to an ABTS frame
2577	 */
2578	if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2579
2580		/*
2581		 * Overload nt_need_ack here to mark whether we've terminated the associated command.
2582		 */
2583		if (mp->nt_need_ack) {
2584			uint8_t storage[QENTRY_LEN];
2585			ct7_entry_t *cto = (ct7_entry_t *) storage;
2586			abts_t *abts = (abts_t *)mp->nt_lreserved;
2587
2588			ISP_MEMZERO(cto, sizeof (ct7_entry_t));
2589			isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task);
2590			cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2591			cto->ct_header.rqs_entry_count = 1;
2592			cto->ct_nphdl = mp->nt_nphdl;
2593			cto->ct_rxid = abts->abts_rxid_task;
2594			cto->ct_iid_lo = mp->nt_sid;
2595			cto->ct_iid_hi = mp->nt_sid >> 16;
2596			cto->ct_oxid = abts->abts_ox_id;
2597			cto->ct_vpidx = mp->nt_channel;
2598			cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
2599			if (isp_target_put_entry(isp, cto)) {
2600				return (ENOMEM);
2601			}
2602			mp->nt_need_ack = 0;
2603		}
2604		if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) {
2605			return (ENOMEM);
2606		} else {
2607			return (0);
2608		}
2609	}
2610
2611	/*
2612	 * Handle logout cases here
2613	 */
2614	if (mp->nt_ncode == NT_GLOBAL_LOGOUT) {
2615		isp_del_all_wwn_entries(isp, mp->nt_channel);
2616	}
2617
2618	if (mp->nt_ncode == NT_LOGOUT) {
2619		if (!IS_2100(isp) && IS_FC(isp)) {
2620			isp_del_wwn_entries(isp, mp);
2621		}
2622	}
2623
2624	/*
2625	 * General purpose acknowledgement
2626	 */
2627	if (mp->nt_need_ack) {
2628		isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL);
2629		/*
2630		 * Don't need to use the guaranteed send because the caller can retry
2631		 */
2632		return (isp_notify_ack(isp, mp->nt_lreserved));
2633	}
2634	return (0);
2635}
2636
2637/*
2638 * Handle task management functions.
2639 *
2640 * We show up here with a notify structure filled out.
2641 *
2642 * The nt_lreserved tag points to the original queue entry
2643 */
2644static void
2645isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify)
2646{
2647	tstate_t *tptr;
2648	fcportdb_t *lp;
2649	struct ccb_immediate_notify *inot;
2650	inot_private_data_t *ntp = NULL;
2651	lun_id_t lun;
2652
2653	isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid  0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode,
2654	    notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun);
2655	/*
2656	 * NB: This assignment is necessary because of tricky type conversion.
2657	 * XXX: This is tricky and I need to check this. If the lun isn't known
2658	 * XXX: for the task management function, it does not of necessity follow
2659	 * XXX: that it should go up stream to the wildcard listener.
2660	 */
2661	if (notify->nt_lun == LUN_ANY) {
2662		lun = CAM_LUN_WILDCARD;
2663	} else {
2664		lun = notify->nt_lun;
2665	}
2666	tptr = get_lun_statep(isp, notify->nt_channel, lun);
2667	if (tptr == NULL) {
2668		tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD);
2669		if (tptr == NULL) {
2670			isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun);
2671			goto bad;
2672		}
2673	}
2674	inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
2675	if (inot == NULL) {
2676		isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun);
2677		goto bad;
2678	}
2679
2680	if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 &&
2681	    isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) {
2682		inot->initiator_id = CAM_TARGET_WILDCARD;
2683	} else {
2684		inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp);
2685	}
2686	inot->seq_id = notify->nt_tagval;
2687	inot->tag_id = notify->nt_tagval >> 32;
2688
2689	switch (notify->nt_ncode) {
2690	case NT_ABORT_TASK:
2691		isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, inot->tag_id);
2692		inot->arg = MSG_ABORT_TASK;
2693		break;
2694	case NT_ABORT_TASK_SET:
2695		isp_target_mark_aborted_early(isp, notify->nt_channel, tptr, TAG_ANY);
2696		inot->arg = MSG_ABORT_TASK_SET;
2697		break;
2698	case NT_CLEAR_ACA:
2699		inot->arg = MSG_CLEAR_ACA;
2700		break;
2701	case NT_CLEAR_TASK_SET:
2702		inot->arg = MSG_CLEAR_TASK_SET;
2703		break;
2704	case NT_LUN_RESET:
2705		inot->arg = MSG_LOGICAL_UNIT_RESET;
2706		break;
2707	case NT_TARGET_RESET:
2708		inot->arg = MSG_TARGET_RESET;
2709		break;
2710	case NT_QUERY_TASK_SET:
2711		inot->arg = MSG_QUERY_TASK_SET;
2712		break;
2713	case NT_QUERY_ASYNC_EVENT:
2714		inot->arg = MSG_QUERY_ASYNC_EVENT;
2715		break;
2716	default:
2717		isp_prt(isp, ISP_LOGWARN, "%s: unknown TMF code 0x%x for chan %d lun %#jx", __func__, notify->nt_ncode, notify->nt_channel, (uintmax_t)lun);
2718		goto bad;
2719	}
2720
2721	ntp = isp_get_ntpd(isp, notify->nt_channel);
2722	if (ntp == NULL) {
2723		isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__);
2724		goto bad;
2725	}
2726	ISP_MEMCPY(&ntp->nt, notify, sizeof (isp_notify_t));
2727	if (notify->nt_lreserved) {
2728		ISP_MEMCPY(&ntp->data, notify->nt_lreserved, QENTRY_LEN);
2729		ntp->nt.nt_lreserved = &ntp->data;
2730	}
2731	ntp->seq_id = notify->nt_tagval;
2732	ntp->tag_id = notify->nt_tagval >> 32;
2733
2734	tptr->inot_count--;
2735	SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
2736	ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
2737	inot->ccb_h.status = CAM_MESSAGE_RECV;
2738	xpt_done((union ccb *)inot);
2739	return;
2740bad:
2741	if (notify->nt_need_ack && notify->nt_lreserved) {
2742		if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2743			if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) {
2744				isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK");
2745			}
2746		} else {
2747			isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved);
2748		}
2749	}
2750}
2751
2752static void
2753isp_target_mark_aborted_early(ispsoftc_t *isp, int chan, tstate_t *tptr, uint32_t tag_id)
2754{
2755	atio_private_data_t *atp, *atpool;
2756	inot_private_data_t *ntp, *tmp;
2757	uint32_t this_tag_id;
2758
2759	/*
2760	 * First, clean any commands pending restart
2761	 */
2762	STAILQ_FOREACH_SAFE(ntp, &tptr->restart_queue, next, tmp) {
2763		if (IS_24XX(isp))
2764			this_tag_id = ((at7_entry_t *)ntp->data)->at_rxid;
2765		else
2766			this_tag_id = ((at2_entry_t *)ntp->data)->at_rxid;
2767		if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) {
2768			isp_endcmd(isp, ntp->data, NIL_HANDLE, chan,
2769			    ECMD_TERMINATE, 0);
2770			isp_put_ntpd(isp, chan, ntp);
2771			STAILQ_REMOVE(&tptr->restart_queue, ntp,
2772			    inot_private_data, next);
2773		}
2774	}
2775
2776	/*
2777	 * Now mark other ones dead as well.
2778	 */
2779	ISP_GET_PC(isp, chan, atpool, atpool);
2780	for (atp = atpool; atp < &atpool[ATPDPSIZE]; atp++) {
2781		if (atp->lun != tptr->ts_lun)
2782			continue;
2783		if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id)
2784			atp->dead = 1;
2785	}
2786}
2787#endif
2788
2789static void
2790isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg)
2791{
2792	struct cam_sim *sim;
2793	int bus, tgt;
2794	ispsoftc_t *isp;
2795
2796	sim = (struct cam_sim *)cbarg;
2797	isp = (ispsoftc_t *) cam_sim_softc(sim);
2798	bus = cam_sim_bus(sim);
2799	tgt = xpt_path_target_id(path);
2800
2801	switch (code) {
2802	case AC_LOST_DEVICE:
2803		if (IS_SCSI(isp)) {
2804			uint16_t oflags, nflags;
2805			sdparam *sdp = SDPARAM(isp, bus);
2806
2807			if (tgt >= 0) {
2808				nflags = sdp->isp_devparam[tgt].nvrm_flags;
2809				nflags &= DPARM_SAFE_DFLT;
2810				if (isp->isp_loaded_fw) {
2811					nflags |= DPARM_NARROW | DPARM_ASYNC;
2812				}
2813				oflags = sdp->isp_devparam[tgt].goal_flags;
2814				sdp->isp_devparam[tgt].goal_flags = nflags;
2815				sdp->isp_devparam[tgt].dev_update = 1;
2816				sdp->update = 1;
2817				(void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
2818				sdp->isp_devparam[tgt].goal_flags = oflags;
2819			}
2820		}
2821		break;
2822	default:
2823		isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
2824		break;
2825	}
2826}
2827
2828static void
2829isp_poll(struct cam_sim *sim)
2830{
2831	ispsoftc_t *isp = cam_sim_softc(sim);
2832	uint16_t isr, sema, info;
2833
2834	if (ISP_READ_ISR(isp, &isr, &sema, &info))
2835		isp_intr(isp, isr, sema, info);
2836}
2837
2838
2839static void
2840isp_watchdog(void *arg)
2841{
2842	struct ccb_scsiio *xs = arg;
2843	ispsoftc_t *isp;
2844	uint32_t ohandle = ISP_HANDLE_FREE, handle;
2845
2846	isp = XS_ISP(xs);
2847
2848	handle = isp_find_handle(isp, xs);
2849
2850	/*
2851	 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere.
2852	 */
2853	if (handle != ISP_HANDLE_FREE) {
2854		uint16_t isr, sema, info;
2855		if (ISP_READ_ISR(isp, &isr, &sema, &info) != 0)
2856			isp_intr(isp, isr, sema, info);
2857		ohandle = handle;
2858		handle = isp_find_handle(isp, xs);
2859	}
2860	if (handle != ISP_HANDLE_FREE) {
2861		/*
2862		 * Try and make sure the command is really dead before
2863		 * we release the handle (and DMA resources) for reuse.
2864		 *
2865		 * If we are successful in aborting the command then
2866		 * we're done here because we'll get the command returned
2867		 * back separately.
2868		 */
2869		if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
2870			return;
2871		}
2872
2873		/*
2874		 * Note that after calling the above, the command may in
2875		 * fact have been completed.
2876		 */
2877		xs = isp_find_xs(isp, handle);
2878
2879		/*
2880		 * If the command no longer exists, then we won't
2881		 * be able to find the xs again with this handle.
2882		 */
2883		if (xs == NULL) {
2884			return;
2885		}
2886
2887		/*
2888		 * After this point, the command is really dead.
2889		 */
2890		if (XS_XFRLEN(xs)) {
2891			ISP_DMAFREE(isp, xs, handle);
2892		}
2893		isp_destroy_handle(isp, handle);
2894		isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle);
2895		xs->ccb_h.status &= ~CAM_STATUS_MASK;
2896		xs->ccb_h.status |= CAM_CMD_TIMEOUT;
2897		isp_prt_endcmd(isp, xs);
2898		isp_done(xs);
2899	} else {
2900		if (ohandle != ISP_HANDLE_FREE) {
2901			isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle);
2902		} else {
2903			isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__);
2904		}
2905	}
2906}
2907
2908static void
2909isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
2910{
2911	union ccb *ccb;
2912	struct isp_fc *fc = ISP_FC_PC(isp, chan);
2913
2914	/*
2915	 * Allocate a CCB, create a wildcard path for this target and schedule a rescan.
2916	 */
2917	ccb = xpt_alloc_ccb_nowait();
2918	if (ccb == NULL) {
2919		isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan);
2920		return;
2921	}
2922	if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim),
2923	    tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
2924		isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan");
2925		xpt_free_ccb(ccb);
2926		return;
2927	}
2928	xpt_rescan(ccb);
2929}
2930
2931static void
2932isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
2933{
2934	struct cam_path *tp;
2935	struct isp_fc *fc = ISP_FC_PC(isp, chan);
2936
2937	if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
2938		xpt_async(AC_LOST_DEVICE, tp, NULL);
2939		xpt_free_path(tp);
2940	}
2941}
2942
2943/*
2944 * Gone Device Timer Function- when we have decided that a device has gone
2945 * away, we wait a specific period of time prior to telling the OS it has
2946 * gone away.
2947 *
2948 * This timer function fires once a second and then scans the port database
2949 * for devices that are marked dead but still have a virtual target assigned.
2950 * We decrement a counter for that port database entry, and when it hits zero,
2951 * we tell the OS the device has gone away.
2952 */
2953static void
2954isp_gdt(void *arg)
2955{
2956	struct isp_fc *fc = arg;
2957	taskqueue_enqueue(taskqueue_thread, &fc->gtask);
2958}
2959
2960static void
2961isp_gdt_task(void *arg, int pending)
2962{
2963	struct isp_fc *fc = arg;
2964	ispsoftc_t *isp = fc->isp;
2965	int chan = fc - isp->isp_osinfo.pc.fc;
2966	fcportdb_t *lp;
2967	struct ac_contract ac;
2968	struct ac_device_changed *adc;
2969	int dbidx, more_to_do = 0;
2970
2971	ISP_LOCK(isp);
2972	isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan);
2973	for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
2974		lp = &FCPARAM(isp, chan)->portdb[dbidx];
2975
2976		if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
2977			continue;
2978		}
2979		if (lp->gone_timer != 0) {
2980			lp->gone_timer -= 1;
2981			more_to_do++;
2982			continue;
2983		}
2984		isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout");
2985		if (lp->is_target) {
2986			lp->is_target = 0;
2987			isp_make_gone(isp, lp, chan, dbidx);
2988		}
2989		if (lp->is_initiator) {
2990			lp->is_initiator = 0;
2991			ac.contract_number = AC_CONTRACT_DEV_CHG;
2992			adc = (struct ac_device_changed *) ac.contract_data;
2993			adc->wwpn = lp->port_wwn;
2994			adc->port = lp->portid;
2995			adc->target = dbidx;
2996			adc->arrived = 0;
2997			xpt_async(AC_CONTRACT, fc->path, &ac);
2998		}
2999		lp->state = FC_PORTDB_STATE_NIL;
3000	}
3001	if (fc->ready) {
3002		if (more_to_do) {
3003			callout_reset(&fc->gdt, hz, isp_gdt, fc);
3004		} else {
3005			callout_deactivate(&fc->gdt);
3006			isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime);
3007		}
3008	}
3009	ISP_UNLOCK(isp);
3010}
3011
3012/*
3013 * When loop goes down we remember the time and freeze CAM command queue.
3014 * During some time period we are trying to reprobe the loop.  But if we
3015 * fail, we tell the OS that devices have gone away and drop the freeze.
3016 *
3017 * We don't clear the devices out of our port database because, when loop
3018 * come back up, we have to do some actual cleanup with the chip at that
3019 * point (implicit PLOGO, e.g., to get the chip's port database state right).
3020 */
3021static void
3022isp_loop_changed(ispsoftc_t *isp, int chan)
3023{
3024	fcparam *fcp = FCPARAM(isp, chan);
3025	struct isp_fc *fc = ISP_FC_PC(isp, chan);
3026
3027	if (fc->loop_down_time)
3028		return;
3029	isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan);
3030	if (fcp->role & ISP_ROLE_INITIATOR)
3031		isp_freeze_loopdown(isp, chan);
3032	fc->loop_down_time = time_uptime;
3033	wakeup(fc);
3034}
3035
3036static void
3037isp_loop_up(ispsoftc_t *isp, int chan)
3038{
3039	struct isp_fc *fc = ISP_FC_PC(isp, chan);
3040
3041	isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan);
3042	fc->loop_seen_once = 1;
3043	fc->loop_down_time = 0;
3044	isp_unfreeze_loopdown(isp, chan);
3045}
3046
3047static void
3048isp_loop_dead(ispsoftc_t *isp, int chan)
3049{
3050	fcparam *fcp = FCPARAM(isp, chan);
3051	struct isp_fc *fc = ISP_FC_PC(isp, chan);
3052	fcportdb_t *lp;
3053	struct ac_contract ac;
3054	struct ac_device_changed *adc;
3055	int dbidx, i;
3056
3057	isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan);
3058
3059	/*
3060	 * Notify to the OS all targets who we now consider have departed.
3061	 */
3062	for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
3063		lp = &fcp->portdb[dbidx];
3064
3065		if (lp->state == FC_PORTDB_STATE_NIL)
3066			continue;
3067
3068		/*
3069		 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST!
3070		 */
3071		for (i = 0; i < isp->isp_maxcmds; i++) {
3072			struct ccb_scsiio *xs;
3073
3074			if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) {
3075				continue;
3076			}
3077			if ((xs = isp->isp_xflist[i].cmd) == NULL) {
3078				continue;
3079                        }
3080			if (dbidx != XS_TGT(xs)) {
3081				continue;
3082			}
3083			isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout",
3084			    isp->isp_xflist[i].handle, chan, XS_TGT(xs),
3085			    (uintmax_t)XS_LUN(xs));
3086		}
3087
3088		isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout");
3089		if (lp->is_target) {
3090			lp->is_target = 0;
3091			isp_make_gone(isp, lp, chan, dbidx);
3092		}
3093		if (lp->is_initiator) {
3094			lp->is_initiator = 0;
3095			ac.contract_number = AC_CONTRACT_DEV_CHG;
3096			adc = (struct ac_device_changed *) ac.contract_data;
3097			adc->wwpn = lp->port_wwn;
3098			adc->port = lp->portid;
3099			adc->target = dbidx;
3100			adc->arrived = 0;
3101			xpt_async(AC_CONTRACT, fc->path, &ac);
3102		}
3103	}
3104
3105	isp_unfreeze_loopdown(isp, chan);
3106	fc->loop_down_time = 0;
3107}
3108
3109static void
3110isp_kthread(void *arg)
3111{
3112	struct isp_fc *fc = arg;
3113	ispsoftc_t *isp = fc->isp;
3114	int chan = fc - isp->isp_osinfo.pc.fc;
3115	int slp = 0, d;
3116	int lb, lim;
3117
3118	mtx_lock(&isp->isp_osinfo.lock);
3119
3120	while (isp->isp_osinfo.is_exiting == 0) {
3121		isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
3122		    "Chan %d Checking FC state", chan);
3123		lb = isp_fc_runstate(isp, chan, 250000);
3124		isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
3125		    "Chan %d FC got to %s state", chan,
3126		    isp_fc_loop_statename(lb));
3127
3128		/*
3129		 * Our action is different based upon whether we're supporting
3130		 * Initiator mode or not. If we are, we might freeze the simq
3131		 * when loop is down and set all sorts of different delays to
3132		 * check again.
3133		 *
3134		 * If not, we simply just wait for loop to come up.
3135		 */
3136		if (lb == LOOP_READY || lb < 0) {
3137			slp = 0;
3138		} else {
3139			/*
3140			 * If we've never seen loop up and we've waited longer
3141			 * than quickboot time, or we've seen loop up but we've
3142			 * waited longer than loop_down_limit, give up and go
3143			 * to sleep until loop comes up.
3144			 */
3145			if (fc->loop_seen_once == 0)
3146				lim = isp_quickboot_time;
3147			else
3148				lim = fc->loop_down_limit;
3149			d = time_uptime - fc->loop_down_time;
3150			if (d >= lim)
3151				slp = 0;
3152			else if (d < 10)
3153				slp = 1;
3154			else if (d < 30)
3155				slp = 5;
3156			else if (d < 60)
3157				slp = 10;
3158			else if (d < 120)
3159				slp = 20;
3160			else
3161				slp = 30;
3162		}
3163
3164		if (slp == 0) {
3165			if (lb == LOOP_READY)
3166				isp_loop_up(isp, chan);
3167			else
3168				isp_loop_dead(isp, chan);
3169		}
3170
3171		isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
3172		    "Chan %d sleep for %d seconds", chan, slp);
3173		msleep(fc, &isp->isp_osinfo.lock, PRIBIO, "ispf", slp * hz);
3174	}
3175	fc->num_threads -= 1;
3176	mtx_unlock(&isp->isp_osinfo.lock);
3177	kthread_exit();
3178}
3179
3180#ifdef	ISP_TARGET_MODE
3181static void
3182isp_abort_atio(ispsoftc_t *isp, union ccb *ccb)
3183{
3184	atio_private_data_t *atp;
3185	union ccb *accb = ccb->cab.abort_ccb;
3186	struct ccb_hdr *sccb;
3187	tstate_t *tptr;
3188
3189	tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
3190	if (tptr != NULL) {
3191		/* Search for the ATIO among queueued. */
3192		SLIST_FOREACH(sccb, &tptr->atios, sim_links.sle) {
3193			if (sccb != &accb->ccb_h)
3194				continue;
3195			SLIST_REMOVE(&tptr->atios, sccb, ccb_hdr, sim_links.sle);
3196			tptr->atio_count--;
3197			accb->ccb_h.status = CAM_REQ_ABORTED;
3198			xpt_done(accb);
3199			ccb->ccb_h.status = CAM_REQ_CMP;
3200			return;
3201		}
3202	}
3203
3204	/* Search for the ATIO among running. */
3205	atp = isp_find_atpd(isp, XS_CHANNEL(accb), accb->atio.tag_id);
3206	if (atp != NULL) {
3207		/* Send TERMINATE to firmware. */
3208		if (!atp->dead && IS_24XX(isp)) {
3209			uint8_t storage[QENTRY_LEN];
3210			ct7_entry_t *cto = (ct7_entry_t *) storage;
3211
3212			ISP_MEMZERO(cto, sizeof (ct7_entry_t));
3213			cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
3214			cto->ct_header.rqs_entry_count = 1;
3215			cto->ct_nphdl = atp->nphdl;
3216			cto->ct_rxid = atp->tag;
3217			cto->ct_iid_lo = atp->sid;
3218			cto->ct_iid_hi = atp->sid >> 16;
3219			cto->ct_oxid = atp->oxid;
3220			cto->ct_vpidx = XS_CHANNEL(accb);
3221			cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
3222			isp_target_put_entry(isp, cto);
3223		}
3224		isp_put_atpd(isp, XS_CHANNEL(accb), atp);
3225		ccb->ccb_h.status = CAM_REQ_CMP;
3226	} else {
3227		ccb->ccb_h.status = CAM_UA_ABORT;
3228	}
3229}
3230
3231static void
3232isp_abort_inot(ispsoftc_t *isp, union ccb *ccb)
3233{
3234	inot_private_data_t *ntp;
3235	union ccb *accb = ccb->cab.abort_ccb;
3236	struct ccb_hdr *sccb;
3237	tstate_t *tptr;
3238
3239	tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
3240	if (tptr != NULL) {
3241		/* Search for the INOT among queueued. */
3242		SLIST_FOREACH(sccb, &tptr->inots, sim_links.sle) {
3243			if (sccb != &accb->ccb_h)
3244				continue;
3245			SLIST_REMOVE(&tptr->inots, sccb, ccb_hdr, sim_links.sle);
3246			tptr->inot_count--;
3247			accb->ccb_h.status = CAM_REQ_ABORTED;
3248			xpt_done(accb);
3249			ccb->ccb_h.status = CAM_REQ_CMP;
3250			return;
3251		}
3252	}
3253
3254	/* Search for the INOT among running. */
3255	ntp = isp_find_ntpd(isp, XS_CHANNEL(accb), accb->cin1.tag_id, accb->cin1.seq_id);
3256	if (ntp != NULL) {
3257		isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, ntp->data);
3258		isp_put_ntpd(isp, XS_CHANNEL(accb), ntp);
3259		ccb->ccb_h.status = CAM_REQ_CMP;
3260	} else {
3261		ccb->ccb_h.status = CAM_UA_ABORT;
3262		return;
3263	}
3264}
3265#endif
3266
3267static void
3268isp_action(struct cam_sim *sim, union ccb *ccb)
3269{
3270	int bus, tgt, ts, error;
3271	ispsoftc_t *isp;
3272	struct ccb_trans_settings *cts;
3273
3274	CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
3275
3276	isp = (ispsoftc_t *)cam_sim_softc(sim);
3277	mtx_assert(&isp->isp_lock, MA_OWNED);
3278	isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
3279	ISP_PCMD(ccb) = NULL;
3280
3281	switch (ccb->ccb_h.func_code) {
3282	case XPT_SCSI_IO:	/* Execute the requested I/O operation */
3283		bus = XS_CHANNEL(ccb);
3284		/*
3285		 * Do a couple of preliminary checks...
3286		 */
3287		if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
3288			if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
3289				ccb->ccb_h.status = CAM_REQ_INVALID;
3290				isp_done((struct ccb_scsiio *) ccb);
3291				break;
3292			}
3293		}
3294		ccb->csio.req_map = NULL;
3295#ifdef	DIAGNOSTIC
3296		if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) {
3297			xpt_print(ccb->ccb_h.path, "invalid target\n");
3298			ccb->ccb_h.status = CAM_PATH_INVALID;
3299		} else if (ISP_MAX_LUNS(isp) > 0 &&
3300		    ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) {
3301			xpt_print(ccb->ccb_h.path, "invalid lun\n");
3302			ccb->ccb_h.status = CAM_PATH_INVALID;
3303		}
3304		if (ccb->ccb_h.status == CAM_PATH_INVALID) {
3305			xpt_done(ccb);
3306			break;
3307		}
3308#endif
3309		ccb->csio.scsi_status = SCSI_STATUS_OK;
3310		if (isp_get_pcmd(isp, ccb)) {
3311			isp_prt(isp, ISP_LOGWARN, "out of PCMDs");
3312			cam_freeze_devq(ccb->ccb_h.path);
3313			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
3314			ccb->ccb_h.status = CAM_REQUEUE_REQ;
3315			xpt_done(ccb);
3316			break;
3317		}
3318		error = isp_start((XS_T *) ccb);
3319		switch (error) {
3320		case CMD_QUEUED:
3321			ccb->ccb_h.status |= CAM_SIM_QUEUED;
3322			if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) {
3323				break;
3324			}
3325			ts = ccb->ccb_h.timeout;
3326			if (ts == CAM_TIME_DEFAULT) {
3327				ts = 60*1000;
3328			}
3329			ts = isp_mstohz(ts);
3330			callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb);
3331			break;
3332		case CMD_RQLATER:
3333			isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later",
3334			    XS_TGT(ccb), (uintmax_t)XS_LUN(ccb));
3335			cam_freeze_devq(ccb->ccb_h.path);
3336			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3337			ccb->ccb_h.status = CAM_REQUEUE_REQ;
3338			isp_free_pcmd(isp, ccb);
3339			xpt_done(ccb);
3340			break;
3341		case CMD_EAGAIN:
3342			isp_free_pcmd(isp, ccb);
3343			cam_freeze_devq(ccb->ccb_h.path);
3344			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0);
3345			ccb->ccb_h.status = CAM_REQUEUE_REQ;
3346			xpt_done(ccb);
3347			break;
3348		case CMD_COMPLETE:
3349			isp_done((struct ccb_scsiio *) ccb);
3350			break;
3351		default:
3352			isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__);
3353			ccb->ccb_h.status = CAM_REQUEUE_REQ;
3354			isp_free_pcmd(isp, ccb);
3355			xpt_done(ccb);
3356		}
3357		break;
3358
3359#ifdef	ISP_TARGET_MODE
3360	case XPT_EN_LUN:		/* Enable/Disable LUN as a target */
3361		if (ccb->cel.enable) {
3362			isp_enable_lun(isp, ccb);
3363		} else {
3364			isp_disable_lun(isp, ccb);
3365		}
3366		break;
3367	case XPT_IMMEDIATE_NOTIFY:	/* Add Immediate Notify Resource */
3368	case XPT_ACCEPT_TARGET_IO:	/* Add Accept Target IO Resource */
3369	{
3370		tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
3371		if (tptr == NULL) {
3372			const char *str;
3373
3374			if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY)
3375				str = "XPT_IMMEDIATE_NOTIFY";
3376			else
3377				str = "XPT_ACCEPT_TARGET_IO";
3378			ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path,
3379			    "%s: no state pointer found for %s\n",
3380			    __func__, str);
3381			ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3382			xpt_done(ccb);
3383			break;
3384		}
3385		ccb->ccb_h.spriv_field0 = 0;
3386		ccb->ccb_h.spriv_ptr1 = isp;
3387
3388		if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
3389			ccb->atio.tag_id = 0;
3390			tptr->atio_count++;
3391			SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle);
3392			ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
3393			    "Put FREE ATIO, count now %d\n", tptr->atio_count);
3394		} else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
3395			ccb->cin1.seq_id = ccb->cin1.tag_id = 0;
3396			tptr->inot_count++;
3397			SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
3398			ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path,
3399			    "Put FREE INOT, count now %d\n", tptr->inot_count);
3400		}
3401		ccb->ccb_h.status = CAM_REQ_INPROG;
3402		break;
3403	}
3404	case XPT_NOTIFY_ACKNOWLEDGE:		/* notify ack */
3405	{
3406		inot_private_data_t *ntp;
3407
3408		/*
3409		 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb
3410		 * XXX: matches that for the immediate notify, we have to *search* for the notify structure
3411		 */
3412		/*
3413		 * All the relevant path information is in the associated immediate notify
3414		 */
3415		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);
3416		ntp = isp_find_ntpd(isp, XS_CHANNEL(ccb), ccb->cna2.tag_id, ccb->cna2.seq_id);
3417		if (ntp == NULL) {
3418			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__,
3419			     ccb->cna2.tag_id, ccb->cna2.seq_id);
3420			ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3421			xpt_done(ccb);
3422			break;
3423		}
3424		if (isp_handle_platform_target_notify_ack(isp, &ntp->nt,
3425		    (ccb->ccb_h.flags & CAM_SEND_STATUS) ? ccb->cna2.arg : 0)) {
3426			cam_freeze_devq(ccb->ccb_h.path);
3427			cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3428			ccb->ccb_h.status &= ~CAM_STATUS_MASK;
3429			ccb->ccb_h.status |= CAM_REQUEUE_REQ;
3430			break;
3431		}
3432		isp_put_ntpd(isp, XS_CHANNEL(ccb), ntp);
3433		ccb->ccb_h.status = CAM_REQ_CMP;
3434		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);
3435		xpt_done(ccb);
3436		break;
3437	}
3438	case XPT_CONT_TARGET_IO:
3439		isp_target_start_ctio(isp, ccb, FROM_CAM);
3440		break;
3441#endif
3442	case XPT_RESET_DEV:		/* BDR the specified SCSI device */
3443		bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
3444		tgt = ccb->ccb_h.target_id;
3445		tgt |= (bus << 16);
3446
3447		error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt);
3448		if (error) {
3449			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3450		} else {
3451			/*
3452			 * If we have a FC device, reset the Command
3453			 * Reference Number, because the target will expect
3454			 * that we re-start the CRN at 1 after a reset.
3455			 */
3456			if (IS_FC(isp))
3457				isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3458
3459			ccb->ccb_h.status = CAM_REQ_CMP;
3460		}
3461		xpt_done(ccb);
3462		break;
3463	case XPT_ABORT:			/* Abort the specified CCB */
3464	{
3465		union ccb *accb = ccb->cab.abort_ccb;
3466		switch (accb->ccb_h.func_code) {
3467#ifdef	ISP_TARGET_MODE
3468		case XPT_ACCEPT_TARGET_IO:
3469			isp_abort_atio(isp, ccb);
3470			break;
3471		case XPT_IMMEDIATE_NOTIFY:
3472			isp_abort_inot(isp, ccb);
3473			break;
3474#endif
3475		case XPT_SCSI_IO:
3476			error = isp_control(isp, ISPCTL_ABORT_CMD, accb);
3477			if (error) {
3478				ccb->ccb_h.status = CAM_UA_ABORT;
3479			} else {
3480				ccb->ccb_h.status = CAM_REQ_CMP;
3481			}
3482			break;
3483		default:
3484			ccb->ccb_h.status = CAM_REQ_INVALID;
3485			break;
3486		}
3487		/*
3488		 * This is not a queued CCB, so the caller expects it to be
3489		 * complete when control is returned.
3490		 */
3491		break;
3492	}
3493#define	IS_CURRENT_SETTINGS(c)	(c->type == CTS_TYPE_CURRENT_SETTINGS)
3494	case XPT_SET_TRAN_SETTINGS:	/* Nexus Settings */
3495		cts = &ccb->cts;
3496		if (!IS_CURRENT_SETTINGS(cts)) {
3497			ccb->ccb_h.status = CAM_REQ_INVALID;
3498			xpt_done(ccb);
3499			break;
3500		}
3501		tgt = cts->ccb_h.target_id;
3502		bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
3503		if (IS_SCSI(isp)) {
3504			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3505			struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3506			sdparam *sdp = SDPARAM(isp, bus);
3507			uint16_t *dptr;
3508
3509			if (spi->valid == 0 && scsi->valid == 0) {
3510				ccb->ccb_h.status = CAM_REQ_CMP;
3511				xpt_done(ccb);
3512				break;
3513			}
3514
3515			/*
3516			 * We always update (internally) from goal_flags
3517			 * so any request to change settings just gets
3518			 * vectored to that location.
3519			 */
3520			dptr = &sdp->isp_devparam[tgt].goal_flags;
3521
3522			if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
3523				if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
3524					*dptr |= DPARM_DISC;
3525				else
3526					*dptr &= ~DPARM_DISC;
3527			}
3528
3529			if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
3530				if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
3531					*dptr |= DPARM_TQING;
3532				else
3533					*dptr &= ~DPARM_TQING;
3534			}
3535
3536			if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
3537				if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
3538					*dptr |= DPARM_WIDE;
3539				else
3540					*dptr &= ~DPARM_WIDE;
3541			}
3542
3543			/*
3544			 * XXX: FIX ME
3545			 */
3546			if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) {
3547				*dptr |= DPARM_SYNC;
3548				/*
3549				 * XXX: CHECK FOR LEGALITY
3550				 */
3551				sdp->isp_devparam[tgt].goal_period = spi->sync_period;
3552				sdp->isp_devparam[tgt].goal_offset = spi->sync_offset;
3553			} else {
3554				*dptr &= ~DPARM_SYNC;
3555			}
3556			isp_prt(isp, ISP_LOGDEBUG0, "SET (%d.%d.%jx) to flags %x off %x per %x", bus, tgt, (uintmax_t)cts->ccb_h.target_lun, sdp->isp_devparam[tgt].goal_flags,
3557			    sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period);
3558			sdp->isp_devparam[tgt].dev_update = 1;
3559			sdp->update = 1;
3560		}
3561		ccb->ccb_h.status = CAM_REQ_CMP;
3562		xpt_done(ccb);
3563		break;
3564	case XPT_GET_TRAN_SETTINGS:
3565		cts = &ccb->cts;
3566		tgt = cts->ccb_h.target_id;
3567		bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
3568		if (IS_FC(isp)) {
3569			fcparam *fcp = FCPARAM(isp, bus);
3570			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3571			struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc;
3572
3573			cts->protocol = PROTO_SCSI;
3574			cts->protocol_version = SCSI_REV_2;
3575			cts->transport = XPORT_FC;
3576			cts->transport_version = 0;
3577
3578			scsi->valid = CTS_SCSI_VALID_TQ;
3579			scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
3580			fc->valid = CTS_FC_VALID_SPEED;
3581			fc->bitrate = 100000;
3582			fc->bitrate *= fcp->isp_gbspeed;
3583			if (tgt < MAX_FC_TARG) {
3584				fcportdb_t *lp = &fcp->portdb[tgt];
3585				fc->wwnn = lp->node_wwn;
3586				fc->wwpn = lp->port_wwn;
3587				fc->port = lp->portid;
3588				fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
3589			}
3590		} else {
3591			struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3592			struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3593			sdparam *sdp = SDPARAM(isp, bus);
3594			uint16_t dval, pval, oval;
3595
3596			if (IS_CURRENT_SETTINGS(cts)) {
3597				sdp->isp_devparam[tgt].dev_refresh = 1;
3598				sdp->update = 1;
3599				(void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
3600				dval = sdp->isp_devparam[tgt].actv_flags;
3601				oval = sdp->isp_devparam[tgt].actv_offset;
3602				pval = sdp->isp_devparam[tgt].actv_period;
3603			} else {
3604				dval = sdp->isp_devparam[tgt].nvrm_flags;
3605				oval = sdp->isp_devparam[tgt].nvrm_offset;
3606				pval = sdp->isp_devparam[tgt].nvrm_period;
3607			}
3608
3609			cts->protocol = PROTO_SCSI;
3610			cts->protocol_version = SCSI_REV_2;
3611			cts->transport = XPORT_SPI;
3612			cts->transport_version = 2;
3613
3614			spi->valid = 0;
3615			scsi->valid = 0;
3616			spi->flags = 0;
3617			scsi->flags = 0;
3618			if (dval & DPARM_DISC) {
3619				spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3620			}
3621			if ((dval & DPARM_SYNC) && oval && pval) {
3622				spi->sync_offset = oval;
3623				spi->sync_period = pval;
3624			} else {
3625				spi->sync_offset = 0;
3626				spi->sync_period = 0;
3627			}
3628			spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3629			spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3630			spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
3631			if (dval & DPARM_WIDE) {
3632				spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3633			} else {
3634				spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3635			}
3636			if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
3637				scsi->valid = CTS_SCSI_VALID_TQ;
3638				if (dval & DPARM_TQING) {
3639					scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3640				}
3641				spi->valid |= CTS_SPI_VALID_DISC;
3642			}
3643			isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
3644			    bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval);
3645		}
3646		ccb->ccb_h.status = CAM_REQ_CMP;
3647		xpt_done(ccb);
3648		break;
3649
3650	case XPT_CALC_GEOMETRY:
3651		cam_calc_geometry(&ccb->ccg, 1);
3652		xpt_done(ccb);
3653		break;
3654
3655	case XPT_RESET_BUS:		/* Reset the specified bus */
3656		bus = cam_sim_bus(sim);
3657		error = isp_control(isp, ISPCTL_RESET_BUS, bus);
3658		if (error) {
3659			ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3660			xpt_done(ccb);
3661			break;
3662		}
3663		if (bootverbose) {
3664			xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus);
3665		}
3666		if (IS_FC(isp)) {
3667			xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0);
3668		} else {
3669			xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0);
3670		}
3671		ccb->ccb_h.status = CAM_REQ_CMP;
3672		xpt_done(ccb);
3673		break;
3674
3675	case XPT_TERM_IO:		/* Terminate the I/O process */
3676		ccb->ccb_h.status = CAM_REQ_INVALID;
3677		xpt_done(ccb);
3678		break;
3679
3680	case XPT_SET_SIM_KNOB:		/* Set SIM knobs */
3681	{
3682		struct ccb_sim_knob *kp = &ccb->knob;
3683		fcparam *fcp;
3684
3685		if (!IS_FC(isp)) {
3686			ccb->ccb_h.status = CAM_REQ_INVALID;
3687			xpt_done(ccb);
3688			break;
3689		}
3690
3691		bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
3692		fcp = FCPARAM(isp, bus);
3693
3694		if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) {
3695			fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn;
3696			fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn;
3697			isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn);
3698		}
3699		ccb->ccb_h.status = CAM_REQ_CMP;
3700		if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) {
3701			int rchange = 0;
3702			int newrole = 0;
3703
3704			switch (kp->xport_specific.fc.role) {
3705			case KNOB_ROLE_NONE:
3706				if (fcp->role != ISP_ROLE_NONE) {
3707					rchange = 1;
3708					newrole = ISP_ROLE_NONE;
3709				}
3710				break;
3711			case KNOB_ROLE_TARGET:
3712				if (fcp->role != ISP_ROLE_TARGET) {
3713					rchange = 1;
3714					newrole = ISP_ROLE_TARGET;
3715				}
3716				break;
3717			case KNOB_ROLE_INITIATOR:
3718				if (fcp->role != ISP_ROLE_INITIATOR) {
3719					rchange = 1;
3720					newrole = ISP_ROLE_INITIATOR;
3721				}
3722				break;
3723			case KNOB_ROLE_BOTH:
3724				if (fcp->role != ISP_ROLE_BOTH) {
3725					rchange = 1;
3726					newrole = ISP_ROLE_BOTH;
3727				}
3728				break;
3729			}
3730			if (rchange) {
3731				ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole);
3732				if (isp_control(isp, ISPCTL_CHANGE_ROLE,
3733				    bus, newrole) != 0) {
3734					ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3735					xpt_done(ccb);
3736					break;
3737				}
3738			}
3739		}
3740		xpt_done(ccb);
3741		break;
3742	}
3743	case XPT_GET_SIM_KNOB_OLD:	/* Get SIM knobs -- compat value */
3744	case XPT_GET_SIM_KNOB:		/* Get SIM knobs */
3745	{
3746		struct ccb_sim_knob *kp = &ccb->knob;
3747
3748		if (IS_FC(isp)) {
3749			fcparam *fcp;
3750
3751			bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
3752			fcp = FCPARAM(isp, bus);
3753
3754			kp->xport_specific.fc.wwnn = fcp->isp_wwnn;
3755			kp->xport_specific.fc.wwpn = fcp->isp_wwpn;
3756			switch (fcp->role) {
3757			case ISP_ROLE_NONE:
3758				kp->xport_specific.fc.role = KNOB_ROLE_NONE;
3759				break;
3760			case ISP_ROLE_TARGET:
3761				kp->xport_specific.fc.role = KNOB_ROLE_TARGET;
3762				break;
3763			case ISP_ROLE_INITIATOR:
3764				kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR;
3765				break;
3766			case ISP_ROLE_BOTH:
3767				kp->xport_specific.fc.role = KNOB_ROLE_BOTH;
3768				break;
3769			}
3770			kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE;
3771			ccb->ccb_h.status = CAM_REQ_CMP;
3772		} else {
3773			ccb->ccb_h.status = CAM_REQ_INVALID;
3774		}
3775		xpt_done(ccb);
3776		break;
3777	}
3778	case XPT_PATH_INQ:		/* Path routing inquiry */
3779	{
3780		struct ccb_pathinq *cpi = &ccb->cpi;
3781
3782		cpi->version_num = 1;
3783#ifdef	ISP_TARGET_MODE
3784		if (IS_FC(isp) && ISP_CAP_TMODE(isp) && ISP_CAP_SCCFW(isp))
3785			cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
3786		else
3787#endif
3788			cpi->target_sprt = 0;
3789		cpi->hba_eng_cnt = 0;
3790		cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
3791		cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ?
3792		    255 : ISP_MAX_LUNS(isp) - 1;
3793		cpi->bus_id = cam_sim_bus(sim);
3794		if (isp->isp_osinfo.sixtyfourbit)
3795			cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE;
3796		else
3797			cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE;
3798
3799		bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
3800		if (IS_FC(isp)) {
3801			fcparam *fcp = FCPARAM(isp, bus);
3802
3803			cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
3804			cpi->hba_misc |= PIM_EXTLUNS | PIM_NOSCAN;
3805
3806			/*
3807			 * Because our loop ID can shift from time to time,
3808			 * make our initiator ID out of range of our bus.
3809			 */
3810			cpi->initiator_id = cpi->max_target + 1;
3811
3812			/*
3813			 * Set base transfer capabilities for Fibre Channel, for this HBA.
3814			 */
3815			if (IS_25XX(isp)) {
3816				cpi->base_transfer_speed = 8000000;
3817			} else if (IS_24XX(isp)) {
3818				cpi->base_transfer_speed = 4000000;
3819			} else if (IS_23XX(isp)) {
3820				cpi->base_transfer_speed = 2000000;
3821			} else {
3822				cpi->base_transfer_speed = 1000000;
3823			}
3824			cpi->hba_inquiry = PI_TAG_ABLE;
3825			cpi->transport = XPORT_FC;
3826			cpi->transport_version = 0;
3827			cpi->xport_specific.fc.wwnn = fcp->isp_wwnn;
3828			cpi->xport_specific.fc.wwpn = fcp->isp_wwpn;
3829			cpi->xport_specific.fc.port = fcp->isp_portid;
3830			cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000;
3831		} else {
3832			sdparam *sdp = SDPARAM(isp, bus);
3833			cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
3834			cpi->hba_misc = PIM_UNMAPPED;
3835			cpi->initiator_id = sdp->isp_initiator_id;
3836			cpi->base_transfer_speed = 3300;
3837			cpi->transport = XPORT_SPI;
3838			cpi->transport_version = 2;
3839		}
3840		cpi->protocol = PROTO_SCSI;
3841		cpi->protocol_version = SCSI_REV_2;
3842		strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
3843		strlcpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
3844		strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
3845		cpi->unit_number = cam_sim_unit(sim);
3846		cpi->ccb_h.status = CAM_REQ_CMP;
3847		xpt_done(ccb);
3848		break;
3849	}
3850	default:
3851		ccb->ccb_h.status = CAM_REQ_INVALID;
3852		xpt_done(ccb);
3853		break;
3854	}
3855}
3856
3857void
3858isp_done(XS_T *sccb)
3859{
3860	ispsoftc_t *isp = XS_ISP(sccb);
3861	uint32_t status;
3862
3863	if (XS_NOERR(sccb))
3864		XS_SETERR(sccb, CAM_REQ_CMP);
3865
3866	if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) {
3867		sccb->ccb_h.status &= ~CAM_STATUS_MASK;
3868		if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
3869			sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
3870		} else {
3871			sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
3872		}
3873	}
3874
3875	sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
3876	status = sccb->ccb_h.status & CAM_STATUS_MASK;
3877	if (status != CAM_REQ_CMP &&
3878	    (sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
3879		sccb->ccb_h.status |= CAM_DEV_QFRZN;
3880		xpt_freeze_devq(sccb->ccb_h.path, 1);
3881	}
3882
3883	if (ISP_PCMD(sccb)) {
3884		if (callout_active(&PISP_PCMD(sccb)->wdog))
3885			callout_stop(&PISP_PCMD(sccb)->wdog);
3886		isp_free_pcmd(isp, (union ccb *) sccb);
3887	}
3888	xpt_done((union ccb *) sccb);
3889}
3890
3891void
3892isp_async(ispsoftc_t *isp, ispasync_t cmd, ...)
3893{
3894	int bus;
3895	static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s";
3896	char buf[64];
3897	char *msg = NULL;
3898	target_id_t tgt;
3899	fcportdb_t *lp;
3900	struct isp_fc *fc;
3901	struct cam_path *tmppath;
3902	struct ac_contract ac;
3903	struct ac_device_changed *adc;
3904	va_list ap;
3905
3906	switch (cmd) {
3907	case ISPASYNC_NEW_TGT_PARAMS:
3908	{
3909		struct ccb_trans_settings_scsi *scsi;
3910		struct ccb_trans_settings_spi *spi;
3911		int flags, tgt;
3912		sdparam *sdp;
3913		struct ccb_trans_settings cts;
3914
3915		memset(&cts, 0, sizeof (struct ccb_trans_settings));
3916
3917		va_start(ap, cmd);
3918		bus = va_arg(ap, int);
3919		tgt = va_arg(ap, int);
3920		va_end(ap);
3921		sdp = SDPARAM(isp, bus);
3922
3923		if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
3924			isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus);
3925			break;
3926		}
3927		flags = sdp->isp_devparam[tgt].actv_flags;
3928		cts.type = CTS_TYPE_CURRENT_SETTINGS;
3929		cts.protocol = PROTO_SCSI;
3930		cts.transport = XPORT_SPI;
3931
3932		scsi = &cts.proto_specific.scsi;
3933		spi = &cts.xport_specific.spi;
3934
3935		if (flags & DPARM_TQING) {
3936			scsi->valid |= CTS_SCSI_VALID_TQ;
3937			scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3938		}
3939
3940		if (flags & DPARM_DISC) {
3941			spi->valid |= CTS_SPI_VALID_DISC;
3942			spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3943		}
3944		spi->flags |= CTS_SPI_VALID_BUS_WIDTH;
3945		if (flags & DPARM_WIDE) {
3946			spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3947		} else {
3948			spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3949		}
3950		if (flags & DPARM_SYNC) {
3951			spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3952			spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3953			spi->sync_period = sdp->isp_devparam[tgt].actv_period;
3954			spi->sync_offset = sdp->isp_devparam[tgt].actv_offset;
3955		}
3956		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);
3957		xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
3958		xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
3959		xpt_free_path(tmppath);
3960		break;
3961	}
3962	case ISPASYNC_BUS_RESET:
3963	{
3964		va_start(ap, cmd);
3965		bus = va_arg(ap, int);
3966		va_end(ap);
3967		isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus);
3968		if (IS_FC(isp)) {
3969			xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL);
3970		} else {
3971			xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL);
3972		}
3973		break;
3974	}
3975	case ISPASYNC_LIP:
3976		if (msg == NULL)
3977			msg = "LIP Received";
3978		/* FALLTHROUGH */
3979	case ISPASYNC_LOOP_RESET:
3980		if (msg == NULL)
3981			msg = "LOOP Reset";
3982		/* FALLTHROUGH */
3983	case ISPASYNC_LOOP_DOWN:
3984		if (msg == NULL)
3985			msg = "LOOP Down";
3986		va_start(ap, cmd);
3987		bus = va_arg(ap, int);
3988		va_end(ap);
3989		isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0);
3990		isp_loop_changed(isp, bus);
3991		isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
3992		break;
3993	case ISPASYNC_LOOP_UP:
3994		va_start(ap, cmd);
3995		bus = va_arg(ap, int);
3996		va_end(ap);
3997		isp_loop_changed(isp, bus);
3998		isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus);
3999		break;
4000	case ISPASYNC_DEV_ARRIVED:
4001		va_start(ap, cmd);
4002		bus = va_arg(ap, int);
4003		lp = va_arg(ap, fcportdb_t *);
4004		va_end(ap);
4005		fc = ISP_FC_PC(isp, bus);
4006		tgt = FC_PORTDB_TGT(isp, bus, lp);
4007		isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
4008		isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived");
4009		if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
4010		    (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) {
4011			lp->is_target = 1;
4012			isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
4013			isp_make_here(isp, lp, bus, tgt);
4014		}
4015		if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
4016		    (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) {
4017			lp->is_initiator = 1;
4018			ac.contract_number = AC_CONTRACT_DEV_CHG;
4019			adc = (struct ac_device_changed *) ac.contract_data;
4020			adc->wwpn = lp->port_wwn;
4021			adc->port = lp->portid;
4022			adc->target = tgt;
4023			adc->arrived = 1;
4024			xpt_async(AC_CONTRACT, fc->path, &ac);
4025		}
4026		break;
4027	case ISPASYNC_DEV_CHANGED:
4028		va_start(ap, cmd);
4029		bus = va_arg(ap, int);
4030		lp = va_arg(ap, fcportdb_t *);
4031		va_end(ap);
4032		fc = ISP_FC_PC(isp, bus);
4033		tgt = FC_PORTDB_TGT(isp, bus, lp);
4034		isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3);
4035		isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed");
4036changed:
4037		if (lp->is_target !=
4038		    ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
4039		     (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) {
4040			lp->is_target = !lp->is_target;
4041			if (lp->is_target) {
4042				isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
4043				isp_make_here(isp, lp, bus, tgt);
4044			} else {
4045				isp_make_gone(isp, lp, bus, tgt);
4046				isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
4047			}
4048		}
4049		if (lp->is_initiator !=
4050		    ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
4051		     (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) {
4052			lp->is_initiator = !lp->is_initiator;
4053			ac.contract_number = AC_CONTRACT_DEV_CHG;
4054			adc = (struct ac_device_changed *) ac.contract_data;
4055			adc->wwpn = lp->port_wwn;
4056			adc->port = lp->portid;
4057			adc->target = tgt;
4058			adc->arrived = lp->is_initiator;
4059			xpt_async(AC_CONTRACT, fc->path, &ac);
4060		}
4061		break;
4062	case ISPASYNC_DEV_STAYED:
4063		va_start(ap, cmd);
4064		bus = va_arg(ap, int);
4065		lp = va_arg(ap, fcportdb_t *);
4066		va_end(ap);
4067		fc = ISP_FC_PC(isp, bus);
4068		tgt = FC_PORTDB_TGT(isp, bus, lp);
4069		isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
4070		isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed");
4071		goto changed;
4072	case ISPASYNC_DEV_GONE:
4073		va_start(ap, cmd);
4074		bus = va_arg(ap, int);
4075		lp = va_arg(ap, fcportdb_t *);
4076		va_end(ap);
4077		fc = ISP_FC_PC(isp, bus);
4078		tgt = FC_PORTDB_TGT(isp, bus, lp);
4079		/*
4080		 * If this has a virtual target or initiator set the isp_gdt
4081		 * timer running on it to delay its departure.
4082		 */
4083		isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
4084		if (lp->is_target || lp->is_initiator) {
4085			lp->state = FC_PORTDB_STATE_ZOMBIE;
4086			lp->gone_timer = fc->gone_device_time;
4087			isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie");
4088			if (fc->ready && !callout_active(&fc->gdt)) {
4089				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);
4090				callout_reset(&fc->gdt, hz, isp_gdt, fc);
4091			}
4092			break;
4093		}
4094		isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone");
4095		break;
4096	case ISPASYNC_CHANGE_NOTIFY:
4097	{
4098		char *msg;
4099		int evt, nphdl, nlstate, portid, reason;
4100
4101		va_start(ap, cmd);
4102		bus = va_arg(ap, int);
4103		evt = va_arg(ap, int);
4104		if (evt == ISPASYNC_CHANGE_PDB) {
4105			nphdl = va_arg(ap, int);
4106			nlstate = va_arg(ap, int);
4107			reason = va_arg(ap, int);
4108		} else if (evt == ISPASYNC_CHANGE_SNS) {
4109			portid = va_arg(ap, int);
4110		} else {
4111			nphdl = NIL_HANDLE;
4112			nlstate = reason = 0;
4113		}
4114		va_end(ap);
4115		fc = ISP_FC_PC(isp, bus);
4116
4117		if (evt == ISPASYNC_CHANGE_PDB) {
4118			msg = "Port Database Changed";
4119			isp_prt(isp, ISP_LOGINFO,
4120			    "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)",
4121			    bus, msg, nphdl, nlstate, reason);
4122		} else if (evt == ISPASYNC_CHANGE_SNS) {
4123			msg = "Name Server Database Changed";
4124			isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)",
4125			    bus, msg, portid);
4126		} else {
4127			msg = "Other Change Notify";
4128			isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
4129		}
4130		isp_loop_changed(isp, bus);
4131		break;
4132	}
4133#ifdef	ISP_TARGET_MODE
4134	case ISPASYNC_TARGET_NOTIFY:
4135	{
4136		isp_notify_t *notify;
4137		va_start(ap, cmd);
4138		notify = va_arg(ap, isp_notify_t *);
4139		va_end(ap);
4140		switch (notify->nt_ncode) {
4141		case NT_ABORT_TASK:
4142		case NT_ABORT_TASK_SET:
4143		case NT_CLEAR_ACA:
4144		case NT_CLEAR_TASK_SET:
4145		case NT_LUN_RESET:
4146		case NT_TARGET_RESET:
4147		case NT_QUERY_TASK_SET:
4148		case NT_QUERY_ASYNC_EVENT:
4149			/*
4150			 * These are task management functions.
4151			 */
4152			isp_handle_platform_target_tmf(isp, notify);
4153			break;
4154		case NT_BUS_RESET:
4155		case NT_LIP_RESET:
4156		case NT_LINK_UP:
4157		case NT_LINK_DOWN:
4158		case NT_HBA_RESET:
4159			/*
4160			 * No action need be taken here.
4161			 */
4162			break;
4163		case NT_GLOBAL_LOGOUT:
4164		case NT_LOGOUT:
4165			/*
4166			 * This is device arrival/departure notification
4167			 */
4168			isp_handle_platform_target_notify_ack(isp, notify, 0);
4169			break;
4170		default:
4171			isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode);
4172			isp_handle_platform_target_notify_ack(isp, notify, 0);
4173			break;
4174		}
4175		break;
4176	}
4177	case ISPASYNC_TARGET_NOTIFY_ACK:
4178	{
4179		void *inot;
4180		va_start(ap, cmd);
4181		inot = va_arg(ap, void *);
4182		va_end(ap);
4183		if (isp_notify_ack(isp, inot)) {
4184			isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT);
4185			if (tp) {
4186				tp->isp = isp;
4187				if (inot) {
4188					memcpy(tp->data, inot, sizeof (tp->data));
4189					tp->not = tp->data;
4190				} else {
4191					tp->not = NULL;
4192				}
4193				callout_init_mtx(&tp->timer, &isp->isp_lock, 0);
4194				callout_reset(&tp->timer, 5,
4195				    isp_refire_notify_ack, tp);
4196			} else {
4197				isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire");
4198			}
4199		}
4200		break;
4201	}
4202	case ISPASYNC_TARGET_ACTION:
4203	{
4204		isphdr_t *hp;
4205
4206		va_start(ap, cmd);
4207		hp = va_arg(ap, isphdr_t *);
4208		va_end(ap);
4209		switch (hp->rqs_entry_type) {
4210		default:
4211			isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type);
4212			break;
4213		case RQSTYPE_NOTIFY:
4214			if (IS_24XX(isp)) {
4215				isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp);
4216			} else {
4217				isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp);
4218			}
4219			break;
4220		case RQSTYPE_ATIO:
4221			isp_handle_platform_atio7(isp, (at7_entry_t *) hp);
4222			break;
4223		case RQSTYPE_ATIO2:
4224			isp_handle_platform_atio2(isp, (at2_entry_t *) hp);
4225			break;
4226		case RQSTYPE_CTIO7:
4227		case RQSTYPE_CTIO3:
4228		case RQSTYPE_CTIO2:
4229		case RQSTYPE_CTIO:
4230			isp_handle_platform_ctio(isp, hp);
4231			break;
4232		case RQSTYPE_ABTS_RCVD:
4233		{
4234			abts_t *abts = (abts_t *)hp;
4235			isp_notify_t notify, *nt = &notify;
4236			atio_private_data_t *atp;
4237			fcportdb_t *lp;
4238			uint16_t chan;
4239			uint32_t sid, did;
4240
4241			did = (abts->abts_did_hi << 16) | abts->abts_did_lo;
4242			sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo;
4243			ISP_MEMZERO(nt, sizeof (isp_notify_t));
4244
4245			nt->nt_hba = isp;
4246			nt->nt_did = did;
4247			nt->nt_nphdl = abts->abts_nphdl;
4248			nt->nt_sid = sid;
4249			isp_find_chan_by_did(isp, did, &chan);
4250			if (chan == ISP_NOCHAN) {
4251				nt->nt_tgt = TGT_ANY;
4252			} else {
4253				nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn;
4254				if (isp_find_pdb_by_handle(isp, chan, abts->abts_nphdl, &lp)) {
4255					nt->nt_wwn = lp->port_wwn;
4256				} else {
4257					nt->nt_wwn = INI_ANY;
4258				}
4259			}
4260			/*
4261			 * Try hard to find the lun for this command.
4262			 */
4263			atp = isp_find_atpd(isp, chan, abts->abts_rxid_task);
4264			nt->nt_lun = atp ? atp->lun : LUN_ANY;
4265			nt->nt_need_ack = 1;
4266			nt->nt_tagval = abts->abts_rxid_task;
4267			nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32);
4268			if (abts->abts_rxid_task == ISP24XX_NO_TASK) {
4269				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)",
4270				    abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id);
4271			} else {
4272				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)",
4273				    abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id);
4274			}
4275			nt->nt_channel = chan;
4276			nt->nt_ncode = NT_ABORT_TASK;
4277			nt->nt_lreserved = hp;
4278			isp_handle_platform_target_tmf(isp, nt);
4279			break;
4280		}
4281		}
4282		break;
4283	}
4284#endif
4285	case ISPASYNC_FW_CRASH:
4286	{
4287		uint16_t mbox1, mbox6;
4288		mbox1 = ISP_READ(isp, OUTMAILBOX1);
4289		if (IS_DUALBUS(isp)) {
4290			mbox6 = ISP_READ(isp, OUTMAILBOX6);
4291		} else {
4292			mbox6 = 0;
4293		}
4294		isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1);
4295		mbox1 = isp->isp_osinfo.mbox_sleep_ok;
4296		isp->isp_osinfo.mbox_sleep_ok = 0;
4297		isp_reinit(isp, 1);
4298		isp->isp_osinfo.mbox_sleep_ok = mbox1;
4299		isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
4300		break;
4301	}
4302	default:
4303		isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
4304		break;
4305	}
4306}
4307
4308
4309/*
4310 * Locks are held before coming here.
4311 */
4312void
4313isp_uninit(ispsoftc_t *isp)
4314{
4315	if (IS_24XX(isp)) {
4316		ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET);
4317	} else {
4318		ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
4319	}
4320	ISP_DISABLE_INTS(isp);
4321}
4322
4323uint64_t
4324isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn)
4325{
4326	uint64_t seed;
4327	struct isp_fc *fc = ISP_FC_PC(isp, chan);
4328
4329	/* First try to use explicitly configured WWNs. */
4330	seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
4331	if (seed)
4332		return (seed);
4333
4334	/* Otherwise try to use WWNs from NVRAM. */
4335	if (isactive) {
4336		seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram :
4337		    FCPARAM(isp, chan)->isp_wwpn_nvram;
4338		if (seed)
4339			return (seed);
4340	}
4341
4342	/* If still no WWNs, try to steal them from the first channel. */
4343	if (chan > 0) {
4344		seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn :
4345		    ISP_FC_PC(isp, 0)->def_wwpn;
4346		if (seed == 0) {
4347			seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram :
4348			    FCPARAM(isp, 0)->isp_wwpn_nvram;
4349		}
4350	}
4351
4352	/* If still nothing -- improvise. */
4353	if (seed == 0) {
4354		seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev);
4355		if (!iswwnn)
4356			seed ^= 0x0100000000000000ULL;
4357	}
4358
4359	/* For additional channels we have to improvise even more. */
4360	if (!iswwnn && chan > 0) {
4361		/*
4362		 * We'll stick our channel number plus one first into bits
4363		 * 57..59 and thence into bits 52..55 which allows for 8 bits
4364		 * of channel which is enough for our maximum of 255 channels.
4365		 */
4366		seed ^= 0x0100000000000000ULL;
4367		seed ^= ((uint64_t) (chan + 1) & 0xf) << 56;
4368		seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52;
4369	}
4370	return (seed);
4371}
4372
4373void
4374isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
4375{
4376	int loc;
4377	char lbuf[200];
4378	va_list ap;
4379
4380	if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
4381		return;
4382	}
4383	snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev));
4384	loc = strlen(lbuf);
4385	va_start(ap, fmt);
4386	vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap);
4387	va_end(ap);
4388	printf("%s\n", lbuf);
4389}
4390
4391void
4392isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...)
4393{
4394	va_list ap;
4395	if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
4396		return;
4397	}
4398	xpt_print_path(xs->ccb_h.path);
4399	va_start(ap, fmt);
4400	vprintf(fmt, ap);
4401	va_end(ap);
4402	printf("\n");
4403}
4404
4405uint64_t
4406isp_nanotime_sub(struct timespec *b, struct timespec *a)
4407{
4408	uint64_t elapsed;
4409	struct timespec x = *b;
4410	timespecsub(&x, a);
4411	elapsed = GET_NANOSEC(&x);
4412	if (elapsed == 0)
4413		elapsed++;
4414	return (elapsed);
4415}
4416
4417int
4418isp_mbox_acquire(ispsoftc_t *isp)
4419{
4420	if (isp->isp_osinfo.mboxbsy) {
4421		return (1);
4422	} else {
4423		isp->isp_osinfo.mboxcmd_done = 0;
4424		isp->isp_osinfo.mboxbsy = 1;
4425		return (0);
4426	}
4427}
4428
4429void
4430isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp)
4431{
4432	unsigned int usecs = mbp->timeout;
4433	unsigned int max, olim, ilim;
4434
4435	if (usecs == 0) {
4436		usecs = MBCMD_DEFAULT_TIMEOUT;
4437	}
4438	max = isp->isp_mbxwrk0 + 1;
4439
4440	if (isp->isp_osinfo.mbox_sleep_ok) {
4441		unsigned int ms = (usecs + 999) / 1000;
4442
4443		isp->isp_osinfo.mbox_sleep_ok = 0;
4444		isp->isp_osinfo.mbox_sleeping = 1;
4445		for (olim = 0; olim < max; olim++) {
4446			msleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, PRIBIO, "ispmbx_sleep", isp_mstohz(ms));
4447			if (isp->isp_osinfo.mboxcmd_done) {
4448				break;
4449			}
4450		}
4451		isp->isp_osinfo.mbox_sleep_ok = 1;
4452		isp->isp_osinfo.mbox_sleeping = 0;
4453	} else {
4454		for (olim = 0; olim < max; olim++) {
4455			for (ilim = 0; ilim < usecs; ilim += 100) {
4456				uint16_t isr, sema, info;
4457				if (isp->isp_osinfo.mboxcmd_done) {
4458					break;
4459				}
4460				if (ISP_READ_ISR(isp, &isr, &sema, &info)) {
4461					isp_intr(isp, isr, sema, info);
4462					if (isp->isp_osinfo.mboxcmd_done) {
4463						break;
4464					}
4465				}
4466				ISP_DELAY(100);
4467			}
4468			if (isp->isp_osinfo.mboxcmd_done) {
4469				break;
4470			}
4471		}
4472	}
4473	if (isp->isp_osinfo.mboxcmd_done == 0) {
4474		isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)",
4475		    isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno);
4476		mbp->param[0] = MBOX_TIMEOUT;
4477		isp->isp_osinfo.mboxcmd_done = 1;
4478	}
4479}
4480
4481void
4482isp_mbox_notify_done(ispsoftc_t *isp)
4483{
4484	if (isp->isp_osinfo.mbox_sleeping) {
4485		wakeup(&isp->isp_mbxworkp);
4486	}
4487	isp->isp_osinfo.mboxcmd_done = 1;
4488}
4489
4490void
4491isp_mbox_release(ispsoftc_t *isp)
4492{
4493	isp->isp_osinfo.mboxbsy = 0;
4494}
4495
4496int
4497isp_fc_scratch_acquire(ispsoftc_t *isp, int chan)
4498{
4499	int ret = 0;
4500	if (isp->isp_osinfo.pc.fc[chan].fcbsy) {
4501		ret = -1;
4502	} else {
4503		isp->isp_osinfo.pc.fc[chan].fcbsy = 1;
4504	}
4505	return (ret);
4506}
4507
4508int
4509isp_mstohz(int ms)
4510{
4511	int hz;
4512	struct timeval t;
4513	t.tv_sec = ms / 1000;
4514	t.tv_usec = (ms % 1000) * 1000;
4515	hz = tvtohz(&t);
4516	if (hz < 0) {
4517		hz = 0x7fffffff;
4518	}
4519	if (hz == 0) {
4520		hz = 1;
4521	}
4522	return (hz);
4523}
4524
4525void
4526isp_platform_intr(void *arg)
4527{
4528	ispsoftc_t *isp = arg;
4529	uint16_t isr, sema, info;
4530
4531	ISP_LOCK(isp);
4532	isp->isp_intcnt++;
4533	if (ISP_READ_ISR(isp, &isr, &sema, &info))
4534		isp_intr(isp, isr, sema, info);
4535	else
4536		isp->isp_intbogus++;
4537	ISP_UNLOCK(isp);
4538}
4539
4540void
4541isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl)
4542{
4543	if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
4544		bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD);
4545	} else {
4546		bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE);
4547	}
4548	bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
4549}
4550
4551/*
4552 * Reset the command reference number for all LUNs on a specific target
4553 * (needed when a target arrives again) or for all targets on a port
4554 * (needed for events like a LIP).
4555 */
4556void
4557isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set)
4558{
4559	struct isp_fc *fc = ISP_FC_PC(isp, chan);
4560	struct isp_nexus *nxp;
4561	int i;
4562
4563	if (tgt_set == 0)
4564		isp_prt(isp, ISP_LOGDEBUG0,
4565		    "Chan %d resetting CRN on all targets", chan);
4566	else
4567		isp_prt(isp, ISP_LOGDEBUG0,
4568		    "Chan %d resetting CRN on target %u", chan, tgt);
4569
4570	for (i = 0; i < NEXUS_HASH_WIDTH; i++) {
4571		for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) {
4572			if (tgt_set == 0 || tgt == nxp->tgt)
4573				nxp->crnseed = 0;
4574		}
4575	}
4576}
4577
4578int
4579isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd)
4580{
4581	lun_id_t lun;
4582	uint32_t chan, tgt;
4583	struct isp_fc *fc;
4584	struct isp_nexus *nxp;
4585	int idx;
4586
4587	if (IS_2100(isp))
4588		return (0);
4589
4590	chan = XS_CHANNEL(cmd);
4591	tgt = XS_TGT(cmd);
4592	lun = XS_LUN(cmd);
4593	fc = &isp->isp_osinfo.pc.fc[chan];
4594	idx = NEXUS_HASH(tgt, lun);
4595	nxp = fc->nexus_hash[idx];
4596
4597	while (nxp) {
4598		if (nxp->tgt == tgt && nxp->lun == lun)
4599			break;
4600		nxp = nxp->next;
4601	}
4602	if (nxp == NULL) {
4603		nxp = fc->nexus_free_list;
4604		if (nxp == NULL) {
4605			nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT);
4606			if (nxp == NULL) {
4607				return (-1);
4608			}
4609		} else {
4610			fc->nexus_free_list = nxp->next;
4611		}
4612		nxp->tgt = tgt;
4613		nxp->lun = lun;
4614		nxp->next = fc->nexus_hash[idx];
4615		fc->nexus_hash[idx] = nxp;
4616	}
4617	if (nxp->crnseed == 0)
4618		nxp->crnseed = 1;
4619	PISP_PCMD(cmd)->crn = nxp->crnseed;
4620	*crnp = nxp->crnseed++;
4621	return (0);
4622}
4623
4624/*
4625 * We enter with the lock held
4626 */
4627void
4628isp_timer(void *arg)
4629{
4630	ispsoftc_t *isp = arg;
4631#ifdef	ISP_TARGET_MODE
4632	isp_tmcmd_restart(isp);
4633#endif
4634	callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
4635}
4636
4637isp_ecmd_t *
4638isp_get_ecmd(ispsoftc_t *isp)
4639{
4640	isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free;
4641	if (ecmd) {
4642		isp->isp_osinfo.ecmd_free = ecmd->next;
4643	}
4644	return (ecmd);
4645}
4646
4647void
4648isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd)
4649{
4650	ecmd->next = isp->isp_osinfo.ecmd_free;
4651	isp->isp_osinfo.ecmd_free = ecmd;
4652}
4653