mpt.c revision 186878
1/*-
2 * Generic routines for LSI Fusion adapters.
3 * FreeBSD Version.
4 *
5 * Copyright (c) 2000, 2001 by Greg Ansley
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice immediately at the beginning of the file, without modification,
12 *    this list of conditions, and the following disclaimer.
13 * 2. The name of the author may not be used to endorse or promote products
14 *    derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28/*-
29 * Copyright (c) 2002, 2006 by Matthew Jacob
30 * All rights reserved.
31 *
32 * Redistribution and use in source and binary forms, with or without
33 * modification, are permitted provided that the following conditions are
34 * met:
35 * 1. Redistributions of source code must retain the above copyright
36 *    notice, this list of conditions and the following disclaimer.
37 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
38 *    substantially similar to the "NO WARRANTY" disclaimer below
39 *    ("Disclaimer") and any redistribution must be conditioned upon including
40 *    a substantially similar Disclaimer requirement for further binary
41 *    redistribution.
42 * 3. Neither the names of the above listed copyright holders nor the names
43 *    of any contributors may be used to endorse or promote products derived
44 *    from this software without specific prior written permission.
45 *
46 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
47 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
50 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
51 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
52 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
53 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
54 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
55 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
56 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
57 *
58 * Support from Chris Ellsworth in order to make SAS adapters work
59 * is gratefully acknowledged.
60 *
61 *
62 * Support from LSI-Logic has also gone a great deal toward making this a
63 * workable subsystem and is gratefully acknowledged.
64 */
65/*-
66 * Copyright (c) 2004, Avid Technology, Inc. and its contributors.
67 * Copyright (c) 2005, WHEEL Sp. z o.o.
68 * Copyright (c) 2004, 2005 Justin T. Gibbs
69 * All rights reserved.
70 *
71 * Redistribution and use in source and binary forms, with or without
72 * modification, are permitted provided that the following conditions are
73 * met:
74 * 1. Redistributions of source code must retain the above copyright
75 *    notice, this list of conditions and the following disclaimer.
76 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
77 *    substantially similar to the "NO WARRANTY" disclaimer below
78 *    ("Disclaimer") and any redistribution must be conditioned upon including
79 *    a substantially similar Disclaimer requirement for further binary
80 *    redistribution.
81 * 3. Neither the names of the above listed copyright holders nor the names
82 *    of any contributors may be used to endorse or promote products derived
83 *    from this software without specific prior written permission.
84 *
85 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
86 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
87 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
88 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
89 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
90 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
91 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
92 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
93 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
94 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
95 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
96 */
97
98#include <sys/cdefs.h>
99__FBSDID("$FreeBSD: head/sys/dev/mpt/mpt.c 186878 2009-01-07 21:52:47Z marius $");
100
101#include <dev/mpt/mpt.h>
102#include <dev/mpt/mpt_cam.h> /* XXX For static handler registration */
103#include <dev/mpt/mpt_raid.h> /* XXX For static handler registration */
104
105#include <dev/mpt/mpilib/mpi.h>
106#include <dev/mpt/mpilib/mpi_ioc.h>
107#include <dev/mpt/mpilib/mpi_fc.h>
108#include <dev/mpt/mpilib/mpi_targ.h>
109
110#include <sys/sysctl.h>
111
112#define MPT_MAX_TRYS 3
113#define MPT_MAX_WAIT 300000
114
115static int maxwait_ack = 0;
116static int maxwait_int = 0;
117static int maxwait_state = 0;
118
119static TAILQ_HEAD(, mpt_softc)	mpt_tailq = TAILQ_HEAD_INITIALIZER(mpt_tailq);
120mpt_reply_handler_t *mpt_reply_handlers[MPT_NUM_REPLY_HANDLERS];
121
122static mpt_reply_handler_t mpt_default_reply_handler;
123static mpt_reply_handler_t mpt_config_reply_handler;
124static mpt_reply_handler_t mpt_handshake_reply_handler;
125static mpt_reply_handler_t mpt_event_reply_handler;
126static void mpt_send_event_ack(struct mpt_softc *mpt, request_t *ack_req,
127			       MSG_EVENT_NOTIFY_REPLY *msg, uint32_t context);
128static int mpt_send_event_request(struct mpt_softc *mpt, int onoff);
129static int mpt_soft_reset(struct mpt_softc *mpt);
130static void mpt_hard_reset(struct mpt_softc *mpt);
131static int mpt_configure_ioc(struct mpt_softc *mpt, int, int);
132static int mpt_enable_ioc(struct mpt_softc *mpt, int);
133
134/************************* Personality Module Support *************************/
135/*
136 * We include one extra entry that is guaranteed to be NULL
137 * to simplify our itterator.
138 */
139static struct mpt_personality *mpt_personalities[MPT_MAX_PERSONALITIES + 1];
140static __inline struct mpt_personality*
141	mpt_pers_find(struct mpt_softc *, u_int);
142static __inline struct mpt_personality*
143	mpt_pers_find_reverse(struct mpt_softc *, u_int);
144
145static __inline struct mpt_personality *
146mpt_pers_find(struct mpt_softc *mpt, u_int start_at)
147{
148	KASSERT(start_at <= MPT_MAX_PERSONALITIES,
149		("mpt_pers_find: starting position out of range\n"));
150
151	while (start_at < MPT_MAX_PERSONALITIES
152	    && (mpt->mpt_pers_mask & (0x1 << start_at)) == 0) {
153		start_at++;
154	}
155	return (mpt_personalities[start_at]);
156}
157
158/*
159 * Used infrequently, so no need to optimize like a forward
160 * traversal where we use the MAX+1 is guaranteed to be NULL
161 * trick.
162 */
163static __inline struct mpt_personality *
164mpt_pers_find_reverse(struct mpt_softc *mpt, u_int start_at)
165{
166	while (start_at < MPT_MAX_PERSONALITIES
167	    && (mpt->mpt_pers_mask & (0x1 << start_at)) == 0) {
168		start_at--;
169	}
170	if (start_at < MPT_MAX_PERSONALITIES)
171		return (mpt_personalities[start_at]);
172	return (NULL);
173}
174
175#define MPT_PERS_FOREACH(mpt, pers)				\
176	for (pers = mpt_pers_find(mpt, /*start_at*/0);		\
177	     pers != NULL;					\
178	     pers = mpt_pers_find(mpt, /*start_at*/pers->id+1))
179
180#define MPT_PERS_FOREACH_REVERSE(mpt, pers)				\
181	for (pers = mpt_pers_find_reverse(mpt, MPT_MAX_PERSONALITIES-1);\
182	     pers != NULL;						\
183	     pers = mpt_pers_find_reverse(mpt, /*start_at*/pers->id-1))
184
185static mpt_load_handler_t      mpt_stdload;
186static mpt_probe_handler_t     mpt_stdprobe;
187static mpt_attach_handler_t    mpt_stdattach;
188static mpt_enable_handler_t    mpt_stdenable;
189static mpt_ready_handler_t     mpt_stdready;
190static mpt_event_handler_t     mpt_stdevent;
191static mpt_reset_handler_t     mpt_stdreset;
192static mpt_shutdown_handler_t  mpt_stdshutdown;
193static mpt_detach_handler_t    mpt_stddetach;
194static mpt_unload_handler_t    mpt_stdunload;
195static struct mpt_personality mpt_default_personality =
196{
197	.load		= mpt_stdload,
198	.probe		= mpt_stdprobe,
199	.attach		= mpt_stdattach,
200	.enable		= mpt_stdenable,
201	.ready		= mpt_stdready,
202	.event		= mpt_stdevent,
203	.reset		= mpt_stdreset,
204	.shutdown	= mpt_stdshutdown,
205	.detach		= mpt_stddetach,
206	.unload		= mpt_stdunload
207};
208
209static mpt_load_handler_t      mpt_core_load;
210static mpt_attach_handler_t    mpt_core_attach;
211static mpt_enable_handler_t    mpt_core_enable;
212static mpt_reset_handler_t     mpt_core_ioc_reset;
213static mpt_event_handler_t     mpt_core_event;
214static mpt_shutdown_handler_t  mpt_core_shutdown;
215static mpt_shutdown_handler_t  mpt_core_detach;
216static mpt_unload_handler_t    mpt_core_unload;
217static struct mpt_personality mpt_core_personality =
218{
219	.name		= "mpt_core",
220	.load		= mpt_core_load,
221//	.attach		= mpt_core_attach,
222//	.enable		= mpt_core_enable,
223	.event		= mpt_core_event,
224	.reset		= mpt_core_ioc_reset,
225	.shutdown	= mpt_core_shutdown,
226	.detach		= mpt_core_detach,
227	.unload		= mpt_core_unload,
228};
229
230/*
231 * Manual declaration so that DECLARE_MPT_PERSONALITY doesn't need
232 * ordering information.  We want the core to always register FIRST.
233 * other modules are set to SI_ORDER_SECOND.
234 */
235static moduledata_t mpt_core_mod = {
236	"mpt_core", mpt_modevent, &mpt_core_personality
237};
238DECLARE_MODULE(mpt_core, mpt_core_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);
239MODULE_VERSION(mpt_core, 1);
240
241#define MPT_PERS_ATTACHED(pers, mpt) ((mpt)->mpt_pers_mask & (0x1 << pers->id))
242
243int
244mpt_modevent(module_t mod, int type, void *data)
245{
246	struct mpt_personality *pers;
247	int error;
248
249	pers = (struct mpt_personality *)data;
250
251	error = 0;
252	switch (type) {
253	case MOD_LOAD:
254	{
255		mpt_load_handler_t **def_handler;
256		mpt_load_handler_t **pers_handler;
257		int i;
258
259		for (i = 0; i < MPT_MAX_PERSONALITIES; i++) {
260			if (mpt_personalities[i] == NULL)
261				break;
262		}
263		if (i >= MPT_MAX_PERSONALITIES) {
264			error = ENOMEM;
265			break;
266		}
267		pers->id = i;
268		mpt_personalities[i] = pers;
269
270		/* Install standard/noop handlers for any NULL entries. */
271		def_handler = MPT_PERS_FIRST_HANDLER(&mpt_default_personality);
272		pers_handler = MPT_PERS_FIRST_HANDLER(pers);
273		while (pers_handler <= MPT_PERS_LAST_HANDLER(pers)) {
274			if (*pers_handler == NULL)
275				*pers_handler = *def_handler;
276			pers_handler++;
277			def_handler++;
278		}
279
280		error = (pers->load(pers));
281		if (error != 0)
282			mpt_personalities[i] = NULL;
283		break;
284	}
285	case MOD_SHUTDOWN:
286		break;
287#if __FreeBSD_version >= 500000
288	case MOD_QUIESCE:
289		break;
290#endif
291	case MOD_UNLOAD:
292		error = pers->unload(pers);
293		mpt_personalities[pers->id] = NULL;
294		break;
295	default:
296		error = EINVAL;
297		break;
298	}
299	return (error);
300}
301
302int
303mpt_stdload(struct mpt_personality *pers)
304{
305	/* Load is always successfull. */
306	return (0);
307}
308
309int
310mpt_stdprobe(struct mpt_softc *mpt)
311{
312	/* Probe is always successfull. */
313	return (0);
314}
315
316int
317mpt_stdattach(struct mpt_softc *mpt)
318{
319	/* Attach is always successfull. */
320	return (0);
321}
322
323int
324mpt_stdenable(struct mpt_softc *mpt)
325{
326	/* Enable is always successfull. */
327	return (0);
328}
329
330void
331mpt_stdready(struct mpt_softc *mpt)
332{
333}
334
335
336int
337mpt_stdevent(struct mpt_softc *mpt, request_t *req, MSG_EVENT_NOTIFY_REPLY *msg)
338{
339	mpt_lprt(mpt, MPT_PRT_DEBUG, "mpt_stdevent: 0x%x\n", msg->Event & 0xFF);
340	/* Event was not for us. */
341	return (0);
342}
343
344void
345mpt_stdreset(struct mpt_softc *mpt, int type)
346{
347}
348
349void
350mpt_stdshutdown(struct mpt_softc *mpt)
351{
352}
353
354void
355mpt_stddetach(struct mpt_softc *mpt)
356{
357}
358
359int
360mpt_stdunload(struct mpt_personality *pers)
361{
362	/* Unload is always successfull. */
363	return (0);
364}
365
366/*
367 * Post driver attachment, we may want to perform some global actions.
368 * Here is the hook to do so.
369 */
370
371static void
372mpt_postattach(void *unused)
373{
374	struct mpt_softc *mpt;
375	struct mpt_personality *pers;
376
377	TAILQ_FOREACH(mpt, &mpt_tailq, links) {
378		MPT_PERS_FOREACH(mpt, pers)
379			pers->ready(mpt);
380	}
381}
382SYSINIT(mptdev, SI_SUB_CONFIGURE, SI_ORDER_MIDDLE, mpt_postattach, NULL);
383
384
385/******************************* Bus DMA Support ******************************/
386void
387mpt_map_rquest(void *arg, bus_dma_segment_t *segs, int nseg, int error)
388{
389	struct mpt_map_info *map_info;
390
391	map_info = (struct mpt_map_info *)arg;
392	map_info->error = error;
393	map_info->phys = segs->ds_addr;
394}
395
396/**************************** Reply/Event Handling ****************************/
397int
398mpt_register_handler(struct mpt_softc *mpt, mpt_handler_type type,
399		     mpt_handler_t handler, uint32_t *phandler_id)
400{
401
402	switch (type) {
403	case MPT_HANDLER_REPLY:
404	{
405		u_int cbi;
406		u_int free_cbi;
407
408		if (phandler_id == NULL)
409			return (EINVAL);
410
411		free_cbi = MPT_HANDLER_ID_NONE;
412		for (cbi = 0; cbi < MPT_NUM_REPLY_HANDLERS; cbi++) {
413			/*
414			 * If the same handler is registered multiple
415			 * times, don't error out.  Just return the
416			 * index of the original registration.
417			 */
418			if (mpt_reply_handlers[cbi] == handler.reply_handler) {
419				*phandler_id = MPT_CBI_TO_HID(cbi);
420				return (0);
421			}
422
423			/*
424			 * Fill from the front in the hope that
425			 * all registered handlers consume only a
426			 * single cache line.
427			 *
428			 * We don't break on the first empty slot so
429			 * that the full table is checked to see if
430			 * this handler was previously registered.
431			 */
432			if (free_cbi == MPT_HANDLER_ID_NONE &&
433			    (mpt_reply_handlers[cbi]
434			  == mpt_default_reply_handler))
435				free_cbi = cbi;
436		}
437		if (free_cbi == MPT_HANDLER_ID_NONE) {
438			return (ENOMEM);
439		}
440		mpt_reply_handlers[free_cbi] = handler.reply_handler;
441		*phandler_id = MPT_CBI_TO_HID(free_cbi);
442		break;
443	}
444	default:
445		mpt_prt(mpt, "mpt_register_handler unknown type %d\n", type);
446		return (EINVAL);
447	}
448	return (0);
449}
450
451int
452mpt_deregister_handler(struct mpt_softc *mpt, mpt_handler_type type,
453		       mpt_handler_t handler, uint32_t handler_id)
454{
455
456	switch (type) {
457	case MPT_HANDLER_REPLY:
458	{
459		u_int cbi;
460
461		cbi = MPT_CBI(handler_id);
462		if (cbi >= MPT_NUM_REPLY_HANDLERS
463		 || mpt_reply_handlers[cbi] != handler.reply_handler)
464			return (ENOENT);
465		mpt_reply_handlers[cbi] = mpt_default_reply_handler;
466		break;
467	}
468	default:
469		mpt_prt(mpt, "mpt_deregister_handler unknown type %d\n", type);
470		return (EINVAL);
471	}
472	return (0);
473}
474
475static int
476mpt_default_reply_handler(struct mpt_softc *mpt, request_t *req,
477	uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame)
478{
479	mpt_prt(mpt,
480	    "Default Handler Called: req=%p:%u reply_descriptor=%x frame=%p\n",
481	    req, req->serno, reply_desc, reply_frame);
482
483	if (reply_frame != NULL)
484		mpt_dump_reply_frame(mpt, reply_frame);
485
486	mpt_prt(mpt, "Reply Frame Ignored\n");
487
488	return (/*free_reply*/TRUE);
489}
490
491static int
492mpt_config_reply_handler(struct mpt_softc *mpt, request_t *req,
493 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame)
494{
495	if (req != NULL) {
496
497		if (reply_frame != NULL) {
498			MSG_CONFIG *cfgp;
499			MSG_CONFIG_REPLY *reply;
500
501			cfgp = (MSG_CONFIG *)req->req_vbuf;
502			reply = (MSG_CONFIG_REPLY *)reply_frame;
503			req->IOCStatus = le16toh(reply_frame->IOCStatus);
504			bcopy(&reply->Header, &cfgp->Header,
505			      sizeof(cfgp->Header));
506			cfgp->ExtPageLength = reply->ExtPageLength;
507			cfgp->ExtPageType = reply->ExtPageType;
508		}
509		req->state &= ~REQ_STATE_QUEUED;
510		req->state |= REQ_STATE_DONE;
511		TAILQ_REMOVE(&mpt->request_pending_list, req, links);
512		if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) {
513			wakeup(req);
514		} else if ((req->state & REQ_STATE_TIMEDOUT) != 0) {
515			/*
516			 * Whew- we can free this request (late completion)
517			 */
518			mpt_free_request(mpt, req);
519		}
520	}
521
522	return (TRUE);
523}
524
525static int
526mpt_handshake_reply_handler(struct mpt_softc *mpt, request_t *req,
527 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame)
528{
529	/* Nothing to be done. */
530	return (TRUE);
531}
532
533static int
534mpt_event_reply_handler(struct mpt_softc *mpt, request_t *req,
535    uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame)
536{
537	int free_reply;
538
539	KASSERT(reply_frame != NULL, ("null reply in mpt_event_reply_handler"));
540	KASSERT(req != NULL, ("null request in mpt_event_reply_handler"));
541
542	free_reply = TRUE;
543	switch (reply_frame->Function) {
544	case MPI_FUNCTION_EVENT_NOTIFICATION:
545	{
546		MSG_EVENT_NOTIFY_REPLY *msg;
547		struct mpt_personality *pers;
548		u_int handled;
549
550		handled = 0;
551		msg = (MSG_EVENT_NOTIFY_REPLY *)reply_frame;
552		msg->EventDataLength = le16toh(msg->EventDataLength);
553		msg->IOCStatus = le16toh(msg->IOCStatus);
554		msg->IOCLogInfo = le32toh(msg->IOCLogInfo);
555		msg->Event = le32toh(msg->Event);
556		MPT_PERS_FOREACH(mpt, pers)
557			handled += pers->event(mpt, req, msg);
558
559		if (handled == 0 && mpt->mpt_pers_mask == 0) {
560			mpt_lprt(mpt, MPT_PRT_INFO,
561				"No Handlers For Any Event Notify Frames. "
562				"Event %#x (ACK %sequired).\n",
563				msg->Event, msg->AckRequired? "r" : "not r");
564		} else if (handled == 0) {
565			mpt_lprt(mpt,
566				msg->AckRequired? MPT_PRT_WARN : MPT_PRT_INFO,
567				"Unhandled Event Notify Frame. Event %#x "
568				"(ACK %sequired).\n",
569				msg->Event, msg->AckRequired? "r" : "not r");
570		}
571
572		if (msg->AckRequired) {
573			request_t *ack_req;
574			uint32_t context;
575
576			context = req->index | MPT_REPLY_HANDLER_EVENTS;
577			ack_req = mpt_get_request(mpt, FALSE);
578			if (ack_req == NULL) {
579				struct mpt_evtf_record *evtf;
580
581				evtf = (struct mpt_evtf_record *)reply_frame;
582				evtf->context = context;
583				LIST_INSERT_HEAD(&mpt->ack_frames, evtf, links);
584				free_reply = FALSE;
585				break;
586			}
587			mpt_send_event_ack(mpt, ack_req, msg, context);
588			/*
589			 * Don't check for CONTINUATION_REPLY here
590			 */
591			return (free_reply);
592		}
593		break;
594	}
595	case MPI_FUNCTION_PORT_ENABLE:
596		mpt_lprt(mpt, MPT_PRT_DEBUG , "enable port reply\n");
597		break;
598	case MPI_FUNCTION_EVENT_ACK:
599		break;
600	default:
601		mpt_prt(mpt, "unknown event function: %x\n",
602			reply_frame->Function);
603		break;
604	}
605
606	/*
607	 * I'm not sure that this continuation stuff works as it should.
608	 *
609	 * I've had FC async events occur that free the frame up because
610	 * the continuation bit isn't set, and then additional async events
611	 * then occur using the same context. As you might imagine, this
612	 * leads to Very Bad Thing.
613	 *
614	 *  Let's just be safe for now and not free them up until we figure
615	 * out what's actually happening here.
616	 */
617#if	0
618	if ((reply_frame->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) == 0) {
619		TAILQ_REMOVE(&mpt->request_pending_list, req, links);
620		mpt_free_request(mpt, req);
621		mpt_prt(mpt, "event_reply %x for req %p:%u NOT a continuation",
622		    reply_frame->Function, req, req->serno);
623		if (reply_frame->Function == MPI_FUNCTION_EVENT_NOTIFICATION) {
624			MSG_EVENT_NOTIFY_REPLY *msg =
625			    (MSG_EVENT_NOTIFY_REPLY *)reply_frame;
626			mpt_prtc(mpt, " Event=0x%x AckReq=%d",
627			    msg->Event, msg->AckRequired);
628		}
629	} else {
630		mpt_prt(mpt, "event_reply %x for %p:%u IS a continuation",
631		    reply_frame->Function, req, req->serno);
632		if (reply_frame->Function == MPI_FUNCTION_EVENT_NOTIFICATION) {
633			MSG_EVENT_NOTIFY_REPLY *msg =
634			    (MSG_EVENT_NOTIFY_REPLY *)reply_frame;
635			mpt_prtc(mpt, " Event=0x%x AckReq=%d",
636			    msg->Event, msg->AckRequired);
637		}
638		mpt_prtc(mpt, "\n");
639	}
640#endif
641	return (free_reply);
642}
643
644/*
645 * Process an asynchronous event from the IOC.
646 */
647static int
648mpt_core_event(struct mpt_softc *mpt, request_t *req,
649	       MSG_EVENT_NOTIFY_REPLY *msg)
650{
651	mpt_lprt(mpt, MPT_PRT_DEBUG, "mpt_core_event: 0x%x\n",
652                 msg->Event & 0xFF);
653	switch(msg->Event & 0xFF) {
654	case MPI_EVENT_NONE:
655		break;
656	case MPI_EVENT_LOG_DATA:
657	{
658		int i;
659
660		/* Some error occured that LSI wants logged */
661		mpt_prt(mpt, "EvtLogData: IOCLogInfo: 0x%08x\n",
662			msg->IOCLogInfo);
663		mpt_prt(mpt, "\tEvtLogData: Event Data:");
664		for (i = 0; i < msg->EventDataLength; i++)
665			mpt_prtc(mpt, "  %08x", msg->Data[i]);
666		mpt_prtc(mpt, "\n");
667		break;
668	}
669	case MPI_EVENT_EVENT_CHANGE:
670		/*
671		 * This is just an acknowledgement
672		 * of our mpt_send_event_request.
673		 */
674		break;
675	case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
676		break;
677	default:
678		return (0);
679		break;
680	}
681	return (1);
682}
683
684static void
685mpt_send_event_ack(struct mpt_softc *mpt, request_t *ack_req,
686		   MSG_EVENT_NOTIFY_REPLY *msg, uint32_t context)
687{
688	MSG_EVENT_ACK *ackp;
689
690	ackp = (MSG_EVENT_ACK *)ack_req->req_vbuf;
691	memset(ackp, 0, sizeof (*ackp));
692	ackp->Function = MPI_FUNCTION_EVENT_ACK;
693	ackp->Event = htole32(msg->Event);
694	ackp->EventContext = htole32(msg->EventContext);
695	ackp->MsgContext = htole32(context);
696	mpt_check_doorbell(mpt);
697	mpt_send_cmd(mpt, ack_req);
698}
699
700/***************************** Interrupt Handling *****************************/
701void
702mpt_intr(void *arg)
703{
704	struct mpt_softc *mpt;
705	uint32_t reply_desc;
706	int ntrips = 0;
707
708	mpt = (struct mpt_softc *)arg;
709	mpt_lprt(mpt, MPT_PRT_DEBUG2, "enter mpt_intr\n");
710	MPT_LOCK_ASSERT(mpt);
711
712	while ((reply_desc = mpt_pop_reply_queue(mpt)) != MPT_REPLY_EMPTY) {
713		request_t	  *req;
714		MSG_DEFAULT_REPLY *reply_frame;
715		uint32_t	   reply_baddr;
716		uint32_t           ctxt_idx;
717		u_int		   cb_index;
718		u_int		   req_index;
719		int		   free_rf;
720
721		req = NULL;
722		reply_frame = NULL;
723		reply_baddr = 0;
724		if ((reply_desc & MPI_ADDRESS_REPLY_A_BIT) != 0) {
725			u_int offset;
726			/*
727			 * Insure that the reply frame is coherent.
728			 */
729			reply_baddr = MPT_REPLY_BADDR(reply_desc);
730			offset = reply_baddr - (mpt->reply_phys & 0xFFFFFFFF);
731			bus_dmamap_sync_range(mpt->reply_dmat,
732			    mpt->reply_dmap, offset, MPT_REPLY_SIZE,
733			    BUS_DMASYNC_POSTREAD);
734			reply_frame = MPT_REPLY_OTOV(mpt, offset);
735			ctxt_idx = le32toh(reply_frame->MsgContext);
736		} else {
737			uint32_t type;
738
739			type = MPI_GET_CONTEXT_REPLY_TYPE(reply_desc);
740			ctxt_idx = reply_desc;
741			mpt_lprt(mpt, MPT_PRT_DEBUG1, "Context Reply: 0x%08x\n",
742				    reply_desc);
743
744			switch (type) {
745			case MPI_CONTEXT_REPLY_TYPE_SCSI_INIT:
746				ctxt_idx &= MPI_CONTEXT_REPLY_CONTEXT_MASK;
747				break;
748			case MPI_CONTEXT_REPLY_TYPE_SCSI_TARGET:
749				ctxt_idx = GET_IO_INDEX(reply_desc);
750				if (mpt->tgt_cmd_ptrs == NULL) {
751					mpt_prt(mpt,
752					    "mpt_intr: no target cmd ptrs\n");
753					reply_desc = MPT_REPLY_EMPTY;
754					break;
755				}
756				if (ctxt_idx >= mpt->tgt_cmds_allocated) {
757					mpt_prt(mpt,
758					    "mpt_intr: bad tgt cmd ctxt %u\n",
759					    ctxt_idx);
760					reply_desc = MPT_REPLY_EMPTY;
761					ntrips = 1000;
762					break;
763				}
764				req = mpt->tgt_cmd_ptrs[ctxt_idx];
765				if (req == NULL) {
766					mpt_prt(mpt, "no request backpointer "
767					    "at index %u", ctxt_idx);
768					reply_desc = MPT_REPLY_EMPTY;
769					ntrips = 1000;
770					break;
771				}
772				/*
773				 * Reformulate ctxt_idx to be just as if
774				 * it were another type of context reply
775				 * so the code below will find the request
776				 * via indexing into the pool.
777				 */
778				ctxt_idx =
779				    req->index | mpt->scsi_tgt_handler_id;
780				req = NULL;
781				break;
782			case MPI_CONTEXT_REPLY_TYPE_LAN:
783				mpt_prt(mpt, "LAN CONTEXT REPLY: 0x%08x\n",
784				    reply_desc);
785				reply_desc = MPT_REPLY_EMPTY;
786				break;
787			default:
788				mpt_prt(mpt, "Context Reply 0x%08x?\n", type);
789				reply_desc = MPT_REPLY_EMPTY;
790				break;
791			}
792			if (reply_desc == MPT_REPLY_EMPTY) {
793				if (ntrips++ > 1000) {
794					break;
795				}
796				continue;
797			}
798		}
799
800		cb_index = MPT_CONTEXT_TO_CBI(ctxt_idx);
801		req_index = MPT_CONTEXT_TO_REQI(ctxt_idx);
802		if (req_index < MPT_MAX_REQUESTS(mpt)) {
803			req = &mpt->request_pool[req_index];
804		} else {
805			mpt_prt(mpt, "WARN: mpt_intr index == %d (reply_desc =="
806			    " 0x%x)\n", req_index, reply_desc);
807		}
808
809		free_rf = mpt_reply_handlers[cb_index](mpt, req,
810		    reply_desc, reply_frame);
811
812		if (reply_frame != NULL && free_rf) {
813			mpt_free_reply(mpt, reply_baddr);
814		}
815
816		/*
817		 * If we got ourselves disabled, don't get stuck in a loop
818		 */
819		if (mpt->disabled) {
820			mpt_disable_ints(mpt);
821			break;
822		}
823		if (ntrips++ > 1000) {
824			break;
825		}
826	}
827	mpt_lprt(mpt, MPT_PRT_DEBUG2, "exit mpt_intr\n");
828}
829
830/******************************* Error Recovery *******************************/
831void
832mpt_complete_request_chain(struct mpt_softc *mpt, struct req_queue *chain,
833			    u_int iocstatus)
834{
835	MSG_DEFAULT_REPLY  ioc_status_frame;
836	request_t	  *req;
837
838	memset(&ioc_status_frame, 0, sizeof(ioc_status_frame));
839	ioc_status_frame.MsgLength = roundup2(sizeof(ioc_status_frame), 4);
840	ioc_status_frame.IOCStatus = iocstatus;
841	while((req = TAILQ_FIRST(chain)) != NULL) {
842		MSG_REQUEST_HEADER *msg_hdr;
843		u_int		    cb_index;
844
845		TAILQ_REMOVE(chain, req, links);
846		msg_hdr = (MSG_REQUEST_HEADER *)req->req_vbuf;
847		ioc_status_frame.Function = msg_hdr->Function;
848		ioc_status_frame.MsgContext = msg_hdr->MsgContext;
849		cb_index = MPT_CONTEXT_TO_CBI(le32toh(msg_hdr->MsgContext));
850		mpt_reply_handlers[cb_index](mpt, req, msg_hdr->MsgContext,
851		    &ioc_status_frame);
852	}
853}
854
855/********************************* Diagnostics ********************************/
856/*
857 * Perform a diagnostic dump of a reply frame.
858 */
859void
860mpt_dump_reply_frame(struct mpt_softc *mpt, MSG_DEFAULT_REPLY *reply_frame)
861{
862	mpt_prt(mpt, "Address Reply:\n");
863	mpt_print_reply(reply_frame);
864}
865
866/******************************* Doorbell Access ******************************/
867static __inline uint32_t mpt_rd_db(struct mpt_softc *mpt);
868static __inline  uint32_t mpt_rd_intr(struct mpt_softc *mpt);
869
870static __inline uint32_t
871mpt_rd_db(struct mpt_softc *mpt)
872{
873	return mpt_read(mpt, MPT_OFFSET_DOORBELL);
874}
875
876static __inline uint32_t
877mpt_rd_intr(struct mpt_softc *mpt)
878{
879	return mpt_read(mpt, MPT_OFFSET_INTR_STATUS);
880}
881
882/* Busy wait for a door bell to be read by IOC */
883static int
884mpt_wait_db_ack(struct mpt_softc *mpt)
885{
886	int i;
887	for (i=0; i < MPT_MAX_WAIT; i++) {
888		if (!MPT_DB_IS_BUSY(mpt_rd_intr(mpt))) {
889			maxwait_ack = i > maxwait_ack ? i : maxwait_ack;
890			return (MPT_OK);
891		}
892		DELAY(200);
893	}
894	return (MPT_FAIL);
895}
896
897/* Busy wait for a door bell interrupt */
898static int
899mpt_wait_db_int(struct mpt_softc *mpt)
900{
901	int i;
902	for (i = 0; i < MPT_MAX_WAIT; i++) {
903		if (MPT_DB_INTR(mpt_rd_intr(mpt))) {
904			maxwait_int = i > maxwait_int ? i : maxwait_int;
905			return MPT_OK;
906		}
907		DELAY(100);
908	}
909	return (MPT_FAIL);
910}
911
912/* Wait for IOC to transition to a give state */
913void
914mpt_check_doorbell(struct mpt_softc *mpt)
915{
916	uint32_t db = mpt_rd_db(mpt);
917	if (MPT_STATE(db) != MPT_DB_STATE_RUNNING) {
918		mpt_prt(mpt, "Device not running\n");
919		mpt_print_db(db);
920	}
921}
922
923/* Wait for IOC to transition to a give state */
924static int
925mpt_wait_state(struct mpt_softc *mpt, enum DB_STATE_BITS state)
926{
927	int i;
928
929	for (i = 0; i < MPT_MAX_WAIT; i++) {
930		uint32_t db = mpt_rd_db(mpt);
931		if (MPT_STATE(db) == state) {
932			maxwait_state = i > maxwait_state ? i : maxwait_state;
933			return (MPT_OK);
934		}
935		DELAY(100);
936	}
937	return (MPT_FAIL);
938}
939
940
941/************************* Intialization/Configuration ************************/
942static int mpt_download_fw(struct mpt_softc *mpt);
943
944/* Issue the reset COMMAND to the IOC */
945static int
946mpt_soft_reset(struct mpt_softc *mpt)
947{
948	mpt_lprt(mpt, MPT_PRT_DEBUG, "soft reset\n");
949
950	/* Have to use hard reset if we are not in Running state */
951	if (MPT_STATE(mpt_rd_db(mpt)) != MPT_DB_STATE_RUNNING) {
952		mpt_prt(mpt, "soft reset failed: device not running\n");
953		return (MPT_FAIL);
954	}
955
956	/* If door bell is in use we don't have a chance of getting
957	 * a word in since the IOC probably crashed in message
958	 * processing. So don't waste our time.
959	 */
960	if (MPT_DB_IS_IN_USE(mpt_rd_db(mpt))) {
961		mpt_prt(mpt, "soft reset failed: doorbell wedged\n");
962		return (MPT_FAIL);
963	}
964
965	/* Send the reset request to the IOC */
966	mpt_write(mpt, MPT_OFFSET_DOORBELL,
967	    MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET << MPI_DOORBELL_FUNCTION_SHIFT);
968	if (mpt_wait_db_ack(mpt) != MPT_OK) {
969		mpt_prt(mpt, "soft reset failed: ack timeout\n");
970		return (MPT_FAIL);
971	}
972
973	/* Wait for the IOC to reload and come out of reset state */
974	if (mpt_wait_state(mpt, MPT_DB_STATE_READY) != MPT_OK) {
975		mpt_prt(mpt, "soft reset failed: device did not restart\n");
976		return (MPT_FAIL);
977	}
978
979	return MPT_OK;
980}
981
982static int
983mpt_enable_diag_mode(struct mpt_softc *mpt)
984{
985	int try;
986
987	try = 20;
988	while (--try) {
989
990		if ((mpt_read(mpt, MPT_OFFSET_DIAGNOSTIC) & MPI_DIAG_DRWE) != 0)
991			break;
992
993		/* Enable diagnostic registers */
994		mpt_write(mpt, MPT_OFFSET_SEQUENCE, 0xFF);
995		mpt_write(mpt, MPT_OFFSET_SEQUENCE, MPI_WRSEQ_1ST_KEY_VALUE);
996		mpt_write(mpt, MPT_OFFSET_SEQUENCE, MPI_WRSEQ_2ND_KEY_VALUE);
997		mpt_write(mpt, MPT_OFFSET_SEQUENCE, MPI_WRSEQ_3RD_KEY_VALUE);
998		mpt_write(mpt, MPT_OFFSET_SEQUENCE, MPI_WRSEQ_4TH_KEY_VALUE);
999		mpt_write(mpt, MPT_OFFSET_SEQUENCE, MPI_WRSEQ_5TH_KEY_VALUE);
1000
1001		DELAY(100000);
1002	}
1003	if (try == 0)
1004		return (EIO);
1005	return (0);
1006}
1007
1008static void
1009mpt_disable_diag_mode(struct mpt_softc *mpt)
1010{
1011	mpt_write(mpt, MPT_OFFSET_SEQUENCE, 0xFFFFFFFF);
1012}
1013
1014/* This is a magic diagnostic reset that resets all the ARM
1015 * processors in the chip.
1016 */
1017static void
1018mpt_hard_reset(struct mpt_softc *mpt)
1019{
1020	int error;
1021	int wait;
1022	uint32_t diagreg;
1023
1024	mpt_lprt(mpt, MPT_PRT_DEBUG, "hard reset\n");
1025
1026	error = mpt_enable_diag_mode(mpt);
1027	if (error) {
1028		mpt_prt(mpt, "WARNING - Could not enter diagnostic mode !\n");
1029		mpt_prt(mpt, "Trying to reset anyway.\n");
1030	}
1031
1032	diagreg = mpt_read(mpt, MPT_OFFSET_DIAGNOSTIC);
1033
1034	/*
1035	 * This appears to be a workaround required for some
1036	 * firmware or hardware revs.
1037	 */
1038	mpt_write(mpt, MPT_OFFSET_DIAGNOSTIC, diagreg | MPI_DIAG_DISABLE_ARM);
1039	DELAY(1000);
1040
1041	/* Diag. port is now active so we can now hit the reset bit */
1042	mpt_write(mpt, MPT_OFFSET_DIAGNOSTIC, diagreg | MPI_DIAG_RESET_ADAPTER);
1043
1044        /*
1045         * Ensure that the reset has finished.  We delay 1ms
1046         * prior to reading the register to make sure the chip
1047         * has sufficiently completed its reset to handle register
1048         * accesses.
1049         */
1050	wait = 5000;
1051	do {
1052		DELAY(1000);
1053		diagreg = mpt_read(mpt, MPT_OFFSET_DIAGNOSTIC);
1054	} while (--wait && (diagreg & MPI_DIAG_RESET_ADAPTER) == 0);
1055
1056	if (wait == 0) {
1057		mpt_prt(mpt, "WARNING - Failed hard reset! "
1058			"Trying to initialize anyway.\n");
1059	}
1060
1061	/*
1062	 * If we have firmware to download, it must be loaded before
1063	 * the controller will become operational.  Do so now.
1064	 */
1065	if (mpt->fw_image != NULL) {
1066
1067		error = mpt_download_fw(mpt);
1068
1069		if (error) {
1070			mpt_prt(mpt, "WARNING - Firmware Download Failed!\n");
1071			mpt_prt(mpt, "Trying to initialize anyway.\n");
1072		}
1073	}
1074
1075	/*
1076	 * Reseting the controller should have disabled write
1077	 * access to the diagnostic registers, but disable
1078	 * manually to be sure.
1079	 */
1080	mpt_disable_diag_mode(mpt);
1081}
1082
1083static void
1084mpt_core_ioc_reset(struct mpt_softc *mpt, int type)
1085{
1086	/*
1087	 * Complete all pending requests with a status
1088	 * appropriate for an IOC reset.
1089	 */
1090	mpt_complete_request_chain(mpt, &mpt->request_pending_list,
1091				   MPI_IOCSTATUS_INVALID_STATE);
1092}
1093
1094
1095/*
1096 * Reset the IOC when needed. Try software command first then if needed
1097 * poke at the magic diagnostic reset. Note that a hard reset resets
1098 * *both* IOCs on dual function chips (FC929 && LSI1030) as well as
1099 * fouls up the PCI configuration registers.
1100 */
1101int
1102mpt_reset(struct mpt_softc *mpt, int reinit)
1103{
1104	struct	mpt_personality *pers;
1105	int	ret;
1106	int	retry_cnt = 0;
1107
1108	/*
1109	 * Try a soft reset. If that fails, get out the big hammer.
1110	 */
1111 again:
1112	if ((ret = mpt_soft_reset(mpt)) != MPT_OK) {
1113		int	cnt;
1114		for (cnt = 0; cnt < 5; cnt++) {
1115			/* Failed; do a hard reset */
1116			mpt_hard_reset(mpt);
1117
1118			/*
1119			 * Wait for the IOC to reload
1120			 * and come out of reset state
1121			 */
1122			ret = mpt_wait_state(mpt, MPT_DB_STATE_READY);
1123			if (ret == MPT_OK) {
1124				break;
1125			}
1126			/*
1127			 * Okay- try to check again...
1128			 */
1129			ret = mpt_wait_state(mpt, MPT_DB_STATE_READY);
1130			if (ret == MPT_OK) {
1131				break;
1132			}
1133			mpt_prt(mpt, "mpt_reset: failed hard reset (%d:%d)\n",
1134			    retry_cnt, cnt);
1135		}
1136	}
1137
1138	if (retry_cnt == 0) {
1139		/*
1140		 * Invoke reset handlers.  We bump the reset count so
1141		 * that mpt_wait_req() understands that regardless of
1142		 * the specified wait condition, it should stop its wait.
1143		 */
1144		mpt->reset_cnt++;
1145		MPT_PERS_FOREACH(mpt, pers)
1146			pers->reset(mpt, ret);
1147	}
1148
1149	if (reinit) {
1150		ret = mpt_enable_ioc(mpt, 1);
1151		if (ret == MPT_OK) {
1152			mpt_enable_ints(mpt);
1153		}
1154	}
1155	if (ret != MPT_OK && retry_cnt++ < 2) {
1156		goto again;
1157	}
1158	return ret;
1159}
1160
1161/* Return a command buffer to the free queue */
1162void
1163mpt_free_request(struct mpt_softc *mpt, request_t *req)
1164{
1165	request_t *nxt;
1166	struct mpt_evtf_record *record;
1167	uint32_t reply_baddr;
1168
1169	if (req == NULL || req != &mpt->request_pool[req->index]) {
1170		panic("mpt_free_request bad req ptr\n");
1171		return;
1172	}
1173	if ((nxt = req->chain) != NULL) {
1174		req->chain = NULL;
1175		mpt_free_request(mpt, nxt);	/* NB: recursion */
1176	}
1177	KASSERT(req->state != REQ_STATE_FREE, ("freeing free request"));
1178	KASSERT(!(req->state & REQ_STATE_LOCKED), ("freeing locked request"));
1179	MPT_LOCK_ASSERT(mpt);
1180	KASSERT(mpt_req_on_free_list(mpt, req) == 0,
1181	    ("mpt_free_request: req %p:%u func %x already on freelist",
1182	    req, req->serno, ((MSG_REQUEST_HEADER *)req->req_vbuf)->Function));
1183	KASSERT(mpt_req_on_pending_list(mpt, req) == 0,
1184	    ("mpt_free_request: req %p:%u func %x on pending list",
1185	    req, req->serno, ((MSG_REQUEST_HEADER *)req->req_vbuf)->Function));
1186#ifdef	INVARIANTS
1187	mpt_req_not_spcl(mpt, req, "mpt_free_request", __LINE__);
1188#endif
1189
1190	req->ccb = NULL;
1191	if (LIST_EMPTY(&mpt->ack_frames)) {
1192		/*
1193		 * Insert free ones at the tail
1194		 */
1195		req->serno = 0;
1196		req->state = REQ_STATE_FREE;
1197#ifdef	INVARIANTS
1198		memset(req->req_vbuf, 0xff, sizeof (MSG_REQUEST_HEADER));
1199#endif
1200		TAILQ_INSERT_TAIL(&mpt->request_free_list, req, links);
1201		if (mpt->getreqwaiter != 0) {
1202			mpt->getreqwaiter = 0;
1203			wakeup(&mpt->request_free_list);
1204		}
1205		return;
1206	}
1207
1208	/*
1209	 * Process an ack frame deferred due to resource shortage.
1210	 */
1211	record = LIST_FIRST(&mpt->ack_frames);
1212	LIST_REMOVE(record, links);
1213	req->state = REQ_STATE_ALLOCATED;
1214	mpt_assign_serno(mpt, req);
1215	mpt_send_event_ack(mpt, req, &record->reply, record->context);
1216	reply_baddr = (uint32_t)((uint8_t *)record - mpt->reply)
1217		    + (mpt->reply_phys & 0xFFFFFFFF);
1218	mpt_free_reply(mpt, reply_baddr);
1219}
1220
1221/* Get a command buffer from the free queue */
1222request_t *
1223mpt_get_request(struct mpt_softc *mpt, int sleep_ok)
1224{
1225	request_t *req;
1226
1227retry:
1228	MPT_LOCK_ASSERT(mpt);
1229	req = TAILQ_FIRST(&mpt->request_free_list);
1230	if (req != NULL) {
1231		KASSERT(req == &mpt->request_pool[req->index],
1232		    ("mpt_get_request: corrupted request free list\n"));
1233		KASSERT(req->state == REQ_STATE_FREE,
1234		    ("req %p:%u not free on free list %x index %d function %x",
1235		    req, req->serno, req->state, req->index,
1236		    ((MSG_REQUEST_HEADER *)req->req_vbuf)->Function));
1237		TAILQ_REMOVE(&mpt->request_free_list, req, links);
1238		req->state = REQ_STATE_ALLOCATED;
1239		req->chain = NULL;
1240		mpt_assign_serno(mpt, req);
1241		mpt_callout_init(&req->callout);
1242	} else if (sleep_ok != 0) {
1243		mpt->getreqwaiter = 1;
1244		mpt_sleep(mpt, &mpt->request_free_list, PUSER, "mptgreq", 0);
1245		goto retry;
1246	}
1247	return (req);
1248}
1249
1250/* Pass the command to the IOC */
1251void
1252mpt_send_cmd(struct mpt_softc *mpt, request_t *req)
1253{
1254	if (mpt->verbose > MPT_PRT_DEBUG2) {
1255		mpt_dump_request(mpt, req);
1256	}
1257	bus_dmamap_sync(mpt->request_dmat, mpt->request_dmap,
1258	    BUS_DMASYNC_PREWRITE);
1259	req->state |= REQ_STATE_QUEUED;
1260	KASSERT(mpt_req_on_free_list(mpt, req) == 0,
1261	    ("req %p:%u func %x on freelist list in mpt_send_cmd",
1262	    req, req->serno, ((MSG_REQUEST_HEADER *)req->req_vbuf)->Function));
1263	KASSERT(mpt_req_on_pending_list(mpt, req) == 0,
1264	    ("req %p:%u func %x already on pending list in mpt_send_cmd",
1265	    req, req->serno, ((MSG_REQUEST_HEADER *)req->req_vbuf)->Function));
1266	TAILQ_INSERT_HEAD(&mpt->request_pending_list, req, links);
1267	mpt_write(mpt, MPT_OFFSET_REQUEST_Q, (uint32_t) req->req_pbuf);
1268}
1269
1270/*
1271 * Wait for a request to complete.
1272 *
1273 * Inputs:
1274 *	mpt		softc of controller executing request
1275 *	req		request to wait for
1276 *	sleep_ok	nonzero implies may sleep in this context
1277 *	time_ms		timeout in ms.  0 implies no timeout.
1278 *
1279 * Return Values:
1280 *	0		Request completed
1281 *	non-0		Timeout fired before request completion.
1282 */
1283int
1284mpt_wait_req(struct mpt_softc *mpt, request_t *req,
1285	     mpt_req_state_t state, mpt_req_state_t mask,
1286	     int sleep_ok, int time_ms)
1287{
1288	int   error;
1289	int   timeout;
1290	u_int saved_cnt;
1291
1292	/*
1293	 * timeout is in ms.  0 indicates infinite wait.
1294	 * Convert to ticks or 500us units depending on
1295	 * our sleep mode.
1296	 */
1297	if (sleep_ok != 0) {
1298		timeout = (time_ms * hz) / 1000;
1299	} else {
1300		timeout = time_ms * 2;
1301	}
1302	req->state |= REQ_STATE_NEED_WAKEUP;
1303	mask &= ~REQ_STATE_NEED_WAKEUP;
1304	saved_cnt = mpt->reset_cnt;
1305	while ((req->state & mask) != state && mpt->reset_cnt == saved_cnt) {
1306		if (sleep_ok != 0) {
1307			error = mpt_sleep(mpt, req, PUSER, "mptreq", timeout);
1308			if (error == EWOULDBLOCK) {
1309				timeout = 0;
1310				break;
1311			}
1312		} else {
1313			if (time_ms != 0 && --timeout == 0) {
1314				break;
1315			}
1316			DELAY(500);
1317			mpt_intr(mpt);
1318		}
1319	}
1320	req->state &= ~REQ_STATE_NEED_WAKEUP;
1321	if (mpt->reset_cnt != saved_cnt) {
1322		return (EIO);
1323	}
1324	if (time_ms && timeout <= 0) {
1325		MSG_REQUEST_HEADER *msg_hdr = req->req_vbuf;
1326		req->state |= REQ_STATE_TIMEDOUT;
1327		mpt_prt(mpt, "mpt_wait_req(%x) timed out\n", msg_hdr->Function);
1328		return (ETIMEDOUT);
1329	}
1330	return (0);
1331}
1332
1333/*
1334 * Send a command to the IOC via the handshake register.
1335 *
1336 * Only done at initialization time and for certain unusual
1337 * commands such as device/bus reset as specified by LSI.
1338 */
1339int
1340mpt_send_handshake_cmd(struct mpt_softc *mpt, size_t len, void *cmd)
1341{
1342	int i;
1343	uint32_t data, *data32;
1344
1345	/* Check condition of the IOC */
1346	data = mpt_rd_db(mpt);
1347	if ((MPT_STATE(data) != MPT_DB_STATE_READY
1348	  && MPT_STATE(data) != MPT_DB_STATE_RUNNING
1349	  && MPT_STATE(data) != MPT_DB_STATE_FAULT)
1350	 || MPT_DB_IS_IN_USE(data)) {
1351		mpt_prt(mpt, "handshake aborted - invalid doorbell state\n");
1352		mpt_print_db(data);
1353		return (EBUSY);
1354	}
1355
1356	/* We move things in 32 bit chunks */
1357	len = (len + 3) >> 2;
1358	data32 = cmd;
1359
1360	/* Clear any left over pending doorbell interrupts */
1361	if (MPT_DB_INTR(mpt_rd_intr(mpt)))
1362		mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0);
1363
1364	/*
1365	 * Tell the handshake reg. we are going to send a command
1366         * and how long it is going to be.
1367	 */
1368	data = (MPI_FUNCTION_HANDSHAKE << MPI_DOORBELL_FUNCTION_SHIFT) |
1369	    (len << MPI_DOORBELL_ADD_DWORDS_SHIFT);
1370	mpt_write(mpt, MPT_OFFSET_DOORBELL, data);
1371
1372	/* Wait for the chip to notice */
1373	if (mpt_wait_db_int(mpt) != MPT_OK) {
1374		mpt_prt(mpt, "mpt_send_handshake_cmd: db ignored\n");
1375		return (ETIMEDOUT);
1376	}
1377
1378	/* Clear the interrupt */
1379	mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0);
1380
1381	if (mpt_wait_db_ack(mpt) != MPT_OK) {
1382		mpt_prt(mpt, "mpt_send_handshake_cmd: db ack timed out\n");
1383		return (ETIMEDOUT);
1384	}
1385
1386	/* Send the command */
1387	for (i = 0; i < len; i++) {
1388		mpt_write(mpt, MPT_OFFSET_DOORBELL, htole32(*data32++));
1389		if (mpt_wait_db_ack(mpt) != MPT_OK) {
1390			mpt_prt(mpt,
1391			    "mpt_send_handshake_cmd: timeout @ index %d\n", i);
1392			return (ETIMEDOUT);
1393		}
1394	}
1395	return MPT_OK;
1396}
1397
1398/* Get the response from the handshake register */
1399int
1400mpt_recv_handshake_reply(struct mpt_softc *mpt, size_t reply_len, void *reply)
1401{
1402	int left, reply_left;
1403	u_int16_t *data16;
1404	uint32_t data;
1405	MSG_DEFAULT_REPLY *hdr;
1406
1407	/* We move things out in 16 bit chunks */
1408	reply_len >>= 1;
1409	data16 = (u_int16_t *)reply;
1410
1411	hdr = (MSG_DEFAULT_REPLY *)reply;
1412
1413	/* Get first word */
1414	if (mpt_wait_db_int(mpt) != MPT_OK) {
1415		mpt_prt(mpt, "mpt_recv_handshake_cmd timeout1\n");
1416		return ETIMEDOUT;
1417	}
1418	data = mpt_read(mpt, MPT_OFFSET_DOORBELL);
1419	*data16++ = le16toh(data & MPT_DB_DATA_MASK);
1420	mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0);
1421
1422	/* Get Second Word */
1423	if (mpt_wait_db_int(mpt) != MPT_OK) {
1424		mpt_prt(mpt, "mpt_recv_handshake_cmd timeout2\n");
1425		return ETIMEDOUT;
1426	}
1427	data = mpt_read(mpt, MPT_OFFSET_DOORBELL);
1428	*data16++ = le16toh(data & MPT_DB_DATA_MASK);
1429	mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0);
1430
1431	/*
1432	 * With the second word, we can now look at the length.
1433	 * Warn about a reply that's too short (except for IOC FACTS REPLY)
1434	 */
1435	if ((reply_len >> 1) != hdr->MsgLength &&
1436	    (hdr->Function != MPI_FUNCTION_IOC_FACTS)){
1437#if __FreeBSD_version >= 500000
1438		mpt_prt(mpt, "reply length does not match message length: "
1439			"got %x; expected %zx for function %x\n",
1440			hdr->MsgLength << 2, reply_len << 1, hdr->Function);
1441#else
1442		mpt_prt(mpt, "reply length does not match message length: "
1443			"got %x; expected %x for function %x\n",
1444			hdr->MsgLength << 2, reply_len << 1, hdr->Function);
1445#endif
1446	}
1447
1448	/* Get rest of the reply; but don't overflow the provided buffer */
1449	left = (hdr->MsgLength << 1) - 2;
1450	reply_left =  reply_len - 2;
1451	while (left--) {
1452		u_int16_t datum;
1453
1454		if (mpt_wait_db_int(mpt) != MPT_OK) {
1455			mpt_prt(mpt, "mpt_recv_handshake_cmd timeout3\n");
1456			return ETIMEDOUT;
1457		}
1458		data = mpt_read(mpt, MPT_OFFSET_DOORBELL);
1459		datum = le16toh(data & MPT_DB_DATA_MASK);
1460
1461		if (reply_left-- > 0)
1462			*data16++ = datum;
1463
1464		mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0);
1465	}
1466
1467	/* One more wait & clear at the end */
1468	if (mpt_wait_db_int(mpt) != MPT_OK) {
1469		mpt_prt(mpt, "mpt_recv_handshake_cmd timeout4\n");
1470		return ETIMEDOUT;
1471	}
1472	mpt_write(mpt, MPT_OFFSET_INTR_STATUS, 0);
1473
1474	if ((hdr->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
1475		if (mpt->verbose >= MPT_PRT_TRACE)
1476			mpt_print_reply(hdr);
1477		return (MPT_FAIL | hdr->IOCStatus);
1478	}
1479
1480	return (0);
1481}
1482
1483static int
1484mpt_get_iocfacts(struct mpt_softc *mpt, MSG_IOC_FACTS_REPLY *freplp)
1485{
1486	MSG_IOC_FACTS f_req;
1487	int error;
1488
1489	memset(&f_req, 0, sizeof f_req);
1490	f_req.Function = MPI_FUNCTION_IOC_FACTS;
1491	f_req.MsgContext = htole32(MPT_REPLY_HANDLER_HANDSHAKE);
1492	error = mpt_send_handshake_cmd(mpt, sizeof f_req, &f_req);
1493	if (error) {
1494		return(error);
1495	}
1496	error = mpt_recv_handshake_reply(mpt, sizeof (*freplp), freplp);
1497	return (error);
1498}
1499
1500static int
1501mpt_get_portfacts(struct mpt_softc *mpt, U8 port, MSG_PORT_FACTS_REPLY *freplp)
1502{
1503	MSG_PORT_FACTS f_req;
1504	int error;
1505
1506	memset(&f_req, 0, sizeof f_req);
1507	f_req.Function = MPI_FUNCTION_PORT_FACTS;
1508	f_req.PortNumber = port;
1509	f_req.MsgContext = htole32(MPT_REPLY_HANDLER_HANDSHAKE);
1510	error = mpt_send_handshake_cmd(mpt, sizeof f_req, &f_req);
1511	if (error) {
1512		return(error);
1513	}
1514	error = mpt_recv_handshake_reply(mpt, sizeof (*freplp), freplp);
1515	return (error);
1516}
1517
1518/*
1519 * Send the initialization request. This is where we specify how many
1520 * SCSI busses and how many devices per bus we wish to emulate.
1521 * This is also the command that specifies the max size of the reply
1522 * frames from the IOC that we will be allocating.
1523 */
1524static int
1525mpt_send_ioc_init(struct mpt_softc *mpt, uint32_t who)
1526{
1527	int error = 0;
1528	MSG_IOC_INIT init;
1529	MSG_IOC_INIT_REPLY reply;
1530
1531	memset(&init, 0, sizeof init);
1532	init.WhoInit = who;
1533	init.Function = MPI_FUNCTION_IOC_INIT;
1534	init.MaxDevices = 0;	/* at least 256 devices per bus */
1535	init.MaxBuses = 16;	/* at least 16 busses */
1536
1537	init.MsgVersion = htole16(MPI_VERSION);
1538	init.HeaderVersion = htole16(MPI_HEADER_VERSION);
1539	init.ReplyFrameSize = htole16(MPT_REPLY_SIZE);
1540	init.MsgContext = htole32(MPT_REPLY_HANDLER_HANDSHAKE);
1541
1542	if ((error = mpt_send_handshake_cmd(mpt, sizeof init, &init)) != 0) {
1543		return(error);
1544	}
1545
1546	error = mpt_recv_handshake_reply(mpt, sizeof reply, &reply);
1547	return (error);
1548}
1549
1550
1551/*
1552 * Utiltity routine to read configuration headers and pages
1553 */
1554int
1555mpt_issue_cfg_req(struct mpt_softc *mpt, request_t *req, cfgparms_t *params,
1556		  bus_addr_t addr, bus_size_t len, int sleep_ok, int timeout_ms)
1557{
1558	MSG_CONFIG *cfgp;
1559	SGE_SIMPLE32 *se;
1560
1561	cfgp = req->req_vbuf;
1562	memset(cfgp, 0, sizeof *cfgp);
1563	cfgp->Action = params->Action;
1564	cfgp->Function = MPI_FUNCTION_CONFIG;
1565	cfgp->Header.PageVersion = params->PageVersion;
1566	cfgp->Header.PageNumber = params->PageNumber;
1567	cfgp->PageAddress = htole32(params->PageAddress);
1568	if ((params->PageType & MPI_CONFIG_PAGETYPE_MASK) ==
1569	    MPI_CONFIG_PAGETYPE_EXTENDED) {
1570		cfgp->Header.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
1571		cfgp->Header.PageLength = 0;
1572		cfgp->ExtPageLength = htole16(params->ExtPageLength);
1573		cfgp->ExtPageType = params->ExtPageType;
1574	} else {
1575		cfgp->Header.PageType = params->PageType;
1576		cfgp->Header.PageLength = params->PageLength;
1577	}
1578	se = (SGE_SIMPLE32 *)&cfgp->PageBufferSGE;
1579	se->Address = htole32(addr);
1580	MPI_pSGE_SET_LENGTH(se, len);
1581	MPI_pSGE_SET_FLAGS(se, (MPI_SGE_FLAGS_SIMPLE_ELEMENT |
1582	    MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER |
1583	    MPI_SGE_FLAGS_END_OF_LIST |
1584	    ((params->Action == MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT
1585	  || params->Action == MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM)
1586	   ? MPI_SGE_FLAGS_HOST_TO_IOC : MPI_SGE_FLAGS_IOC_TO_HOST)));
1587	se->FlagsLength = htole32(se->FlagsLength);
1588	cfgp->MsgContext = htole32(req->index | MPT_REPLY_HANDLER_CONFIG);
1589
1590	mpt_check_doorbell(mpt);
1591	mpt_send_cmd(mpt, req);
1592	return (mpt_wait_req(mpt, req, REQ_STATE_DONE, REQ_STATE_DONE,
1593			     sleep_ok, timeout_ms));
1594}
1595
1596int
1597mpt_read_extcfg_header(struct mpt_softc *mpt, int PageVersion, int PageNumber,
1598		       uint32_t PageAddress, int ExtPageType,
1599		       CONFIG_EXTENDED_PAGE_HEADER *rslt,
1600		       int sleep_ok, int timeout_ms)
1601{
1602	request_t  *req;
1603	cfgparms_t params;
1604	MSG_CONFIG_REPLY *cfgp;
1605	int	    error;
1606
1607	req = mpt_get_request(mpt, sleep_ok);
1608	if (req == NULL) {
1609		mpt_prt(mpt, "mpt_extread_cfg_header: Get request failed!\n");
1610		return (ENOMEM);
1611	}
1612
1613	params.Action = MPI_CONFIG_ACTION_PAGE_HEADER;
1614	params.PageVersion = PageVersion;
1615	params.PageLength = 0;
1616	params.PageNumber = PageNumber;
1617	params.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
1618	params.PageAddress = PageAddress;
1619	params.ExtPageType = ExtPageType;
1620	params.ExtPageLength = 0;
1621	error = mpt_issue_cfg_req(mpt, req, &params, /*addr*/0, /*len*/0,
1622				  sleep_ok, timeout_ms);
1623	if (error != 0) {
1624		/*
1625		 * Leave the request. Without resetting the chip, it's
1626		 * still owned by it and we'll just get into trouble
1627		 * freeing it now. Mark it as abandoned so that if it
1628		 * shows up later it can be freed.
1629		 */
1630		mpt_prt(mpt, "read_extcfg_header timed out\n");
1631		return (ETIMEDOUT);
1632	}
1633
1634        switch (req->IOCStatus & MPI_IOCSTATUS_MASK) {
1635	case MPI_IOCSTATUS_SUCCESS:
1636		cfgp = req->req_vbuf;
1637		rslt->PageVersion = cfgp->Header.PageVersion;
1638		rslt->PageNumber = cfgp->Header.PageNumber;
1639		rslt->PageType = cfgp->Header.PageType;
1640		rslt->ExtPageLength = le16toh(cfgp->ExtPageLength);
1641		rslt->ExtPageType = cfgp->ExtPageType;
1642		error = 0;
1643		break;
1644	case MPI_IOCSTATUS_CONFIG_INVALID_PAGE:
1645		mpt_lprt(mpt, MPT_PRT_DEBUG,
1646		    "Invalid Page Type %d Number %d Addr 0x%0x\n",
1647		    MPI_CONFIG_PAGETYPE_EXTENDED, PageNumber, PageAddress);
1648		error = EINVAL;
1649		break;
1650	default:
1651		mpt_prt(mpt, "mpt_read_extcfg_header: Config Info Status %x\n",
1652			req->IOCStatus);
1653		error = EIO;
1654		break;
1655	}
1656	mpt_free_request(mpt, req);
1657	return (error);
1658}
1659
1660int
1661mpt_read_extcfg_page(struct mpt_softc *mpt, int Action, uint32_t PageAddress,
1662		     CONFIG_EXTENDED_PAGE_HEADER *hdr, void *buf, size_t len,
1663		     int sleep_ok, int timeout_ms)
1664{
1665	request_t    *req;
1666	cfgparms_t    params;
1667	int	      error;
1668
1669	req = mpt_get_request(mpt, sleep_ok);
1670	if (req == NULL) {
1671		mpt_prt(mpt, "mpt_read_extcfg_page: Get request failed!\n");
1672		return (-1);
1673	}
1674
1675	params.Action = Action;
1676	params.PageVersion = hdr->PageVersion;
1677	params.PageLength = 0;
1678	params.PageNumber = hdr->PageNumber;
1679	params.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
1680	params.PageAddress = PageAddress;
1681	params.ExtPageType = hdr->ExtPageType;
1682	params.ExtPageLength = hdr->ExtPageLength;
1683	error = mpt_issue_cfg_req(mpt, req, &params,
1684				  req->req_pbuf + MPT_RQSL(mpt),
1685				  len, sleep_ok, timeout_ms);
1686	if (error != 0) {
1687		mpt_prt(mpt, "read_extcfg_page(%d) timed out\n", Action);
1688		return (-1);
1689	}
1690
1691	if ((req->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
1692		mpt_prt(mpt, "mpt_read_extcfg_page: Config Info Status %x\n",
1693			req->IOCStatus);
1694		mpt_free_request(mpt, req);
1695		return (-1);
1696	}
1697	bus_dmamap_sync(mpt->request_dmat, mpt->request_dmap,
1698	    BUS_DMASYNC_POSTREAD);
1699	memcpy(buf, ((uint8_t *)req->req_vbuf)+MPT_RQSL(mpt), len);
1700	mpt_free_request(mpt, req);
1701	return (0);
1702}
1703
1704int
1705mpt_read_cfg_header(struct mpt_softc *mpt, int PageType, int PageNumber,
1706		    uint32_t PageAddress, CONFIG_PAGE_HEADER *rslt,
1707		    int sleep_ok, int timeout_ms)
1708{
1709	request_t  *req;
1710	cfgparms_t params;
1711	MSG_CONFIG *cfgp;
1712	int	    error;
1713
1714	req = mpt_get_request(mpt, sleep_ok);
1715	if (req == NULL) {
1716		mpt_prt(mpt, "mpt_read_cfg_header: Get request failed!\n");
1717		return (ENOMEM);
1718	}
1719
1720	params.Action = MPI_CONFIG_ACTION_PAGE_HEADER;
1721	params.PageVersion = 0;
1722	params.PageLength = 0;
1723	params.PageNumber = PageNumber;
1724	params.PageType = PageType;
1725	params.PageAddress = PageAddress;
1726	error = mpt_issue_cfg_req(mpt, req, &params, /*addr*/0, /*len*/0,
1727				  sleep_ok, timeout_ms);
1728	if (error != 0) {
1729		/*
1730		 * Leave the request. Without resetting the chip, it's
1731		 * still owned by it and we'll just get into trouble
1732		 * freeing it now. Mark it as abandoned so that if it
1733		 * shows up later it can be freed.
1734		 */
1735		mpt_prt(mpt, "read_cfg_header timed out\n");
1736		return (ETIMEDOUT);
1737	}
1738
1739        switch (req->IOCStatus & MPI_IOCSTATUS_MASK) {
1740	case MPI_IOCSTATUS_SUCCESS:
1741		cfgp = req->req_vbuf;
1742		bcopy(&cfgp->Header, rslt, sizeof(*rslt));
1743		error = 0;
1744		break;
1745	case MPI_IOCSTATUS_CONFIG_INVALID_PAGE:
1746		mpt_lprt(mpt, MPT_PRT_DEBUG,
1747		    "Invalid Page Type %d Number %d Addr 0x%0x\n",
1748		    PageType, PageNumber, PageAddress);
1749		error = EINVAL;
1750		break;
1751	default:
1752		mpt_prt(mpt, "mpt_read_cfg_header: Config Info Status %x\n",
1753			req->IOCStatus);
1754		error = EIO;
1755		break;
1756	}
1757	mpt_free_request(mpt, req);
1758	return (error);
1759}
1760
1761int
1762mpt_read_cfg_page(struct mpt_softc *mpt, int Action, uint32_t PageAddress,
1763		  CONFIG_PAGE_HEADER *hdr, size_t len, int sleep_ok,
1764		  int timeout_ms)
1765{
1766	request_t    *req;
1767	cfgparms_t    params;
1768	int	      error;
1769
1770	req = mpt_get_request(mpt, sleep_ok);
1771	if (req == NULL) {
1772		mpt_prt(mpt, "mpt_read_cfg_page: Get request failed!\n");
1773		return (-1);
1774	}
1775
1776	params.Action = Action;
1777	params.PageVersion = hdr->PageVersion;
1778	params.PageLength = hdr->PageLength;
1779	params.PageNumber = hdr->PageNumber;
1780	params.PageType = hdr->PageType & MPI_CONFIG_PAGETYPE_MASK;
1781	params.PageAddress = PageAddress;
1782	error = mpt_issue_cfg_req(mpt, req, &params,
1783				  req->req_pbuf + MPT_RQSL(mpt),
1784				  len, sleep_ok, timeout_ms);
1785	if (error != 0) {
1786		mpt_prt(mpt, "read_cfg_page(%d) timed out\n", Action);
1787		return (-1);
1788	}
1789
1790	if ((req->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
1791		mpt_prt(mpt, "mpt_read_cfg_page: Config Info Status %x\n",
1792			req->IOCStatus);
1793		mpt_free_request(mpt, req);
1794		return (-1);
1795	}
1796	bus_dmamap_sync(mpt->request_dmat, mpt->request_dmap,
1797	    BUS_DMASYNC_POSTREAD);
1798	memcpy(hdr, ((uint8_t *)req->req_vbuf)+MPT_RQSL(mpt), len);
1799	mpt_free_request(mpt, req);
1800	return (0);
1801}
1802
1803int
1804mpt_write_cfg_page(struct mpt_softc *mpt, int Action, uint32_t PageAddress,
1805		   CONFIG_PAGE_HEADER *hdr, size_t len, int sleep_ok,
1806		   int timeout_ms)
1807{
1808	request_t    *req;
1809	cfgparms_t    params;
1810	u_int	      hdr_attr;
1811	int	      error;
1812
1813	hdr_attr = hdr->PageType & MPI_CONFIG_PAGEATTR_MASK;
1814	if (hdr_attr != MPI_CONFIG_PAGEATTR_CHANGEABLE &&
1815	    hdr_attr != MPI_CONFIG_PAGEATTR_PERSISTENT) {
1816		mpt_prt(mpt, "page type 0x%x not changeable\n",
1817			hdr->PageType & MPI_CONFIG_PAGETYPE_MASK);
1818		return (-1);
1819	}
1820
1821#if	0
1822	/*
1823	 * We shouldn't mask off other bits here.
1824	 */
1825	hdr->PageType &= MPI_CONFIG_PAGETYPE_MASK;
1826#endif
1827
1828	req = mpt_get_request(mpt, sleep_ok);
1829	if (req == NULL)
1830		return (-1);
1831
1832	memcpy(((caddr_t)req->req_vbuf) + MPT_RQSL(mpt), hdr, len);
1833
1834	/*
1835	 * There isn't any point in restoring stripped out attributes
1836	 * if you then mask them going down to issue the request.
1837	 */
1838
1839	params.Action = Action;
1840	params.PageVersion = hdr->PageVersion;
1841	params.PageLength = hdr->PageLength;
1842	params.PageNumber = hdr->PageNumber;
1843	params.PageAddress = PageAddress;
1844#if	0
1845	/* Restore stripped out attributes */
1846	hdr->PageType |= hdr_attr;
1847	params.PageType = hdr->PageType & MPI_CONFIG_PAGETYPE_MASK;
1848#else
1849	params.PageType = hdr->PageType;
1850#endif
1851	error = mpt_issue_cfg_req(mpt, req, &params,
1852				  req->req_pbuf + MPT_RQSL(mpt),
1853				  len, sleep_ok, timeout_ms);
1854	if (error != 0) {
1855		mpt_prt(mpt, "mpt_write_cfg_page timed out\n");
1856		return (-1);
1857	}
1858
1859        if ((req->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
1860		mpt_prt(mpt, "mpt_write_cfg_page: Config Info Status %x\n",
1861			req->IOCStatus);
1862		mpt_free_request(mpt, req);
1863		return (-1);
1864	}
1865	mpt_free_request(mpt, req);
1866	return (0);
1867}
1868
1869/*
1870 * Read IOC configuration information
1871 */
1872static int
1873mpt_read_config_info_ioc(struct mpt_softc *mpt)
1874{
1875	CONFIG_PAGE_HEADER hdr;
1876	struct mpt_raid_volume *mpt_raid;
1877	int rv;
1878	int i;
1879	size_t len;
1880
1881	rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_IOC,
1882		2, 0, &hdr, FALSE, 5000);
1883	/*
1884	 * If it's an invalid page, so what? Not a supported function....
1885	 */
1886	if (rv == EINVAL) {
1887		return (0);
1888	}
1889	if (rv) {
1890		return (rv);
1891	}
1892
1893	mpt_lprt(mpt, MPT_PRT_DEBUG,
1894	    "IOC Page 2 Header: Version %x len %x PageNumber %x PageType %x\n",
1895	    hdr.PageVersion, hdr.PageLength << 2,
1896	    hdr.PageNumber, hdr.PageType);
1897
1898	len = hdr.PageLength * sizeof(uint32_t);
1899	mpt->ioc_page2 = malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO);
1900	if (mpt->ioc_page2 == NULL) {
1901		mpt_prt(mpt, "unable to allocate memory for IOC page 2\n");
1902		mpt_raid_free_mem(mpt);
1903		return (ENOMEM);
1904	}
1905	memcpy(&mpt->ioc_page2->Header, &hdr, sizeof(hdr));
1906	rv = mpt_read_cur_cfg_page(mpt, 0,
1907	    &mpt->ioc_page2->Header, len, FALSE, 5000);
1908	if (rv) {
1909		mpt_prt(mpt, "failed to read IOC Page 2\n");
1910		mpt_raid_free_mem(mpt);
1911		return (EIO);
1912	}
1913	mpt2host_config_page_ioc2(mpt->ioc_page2);
1914
1915	if (mpt->ioc_page2->CapabilitiesFlags != 0) {
1916		uint32_t mask;
1917
1918		mpt_prt(mpt, "Capabilities: (");
1919		for (mask = 1; mask != 0; mask <<= 1) {
1920			if ((mpt->ioc_page2->CapabilitiesFlags & mask) == 0) {
1921				continue;
1922			}
1923			switch (mask) {
1924			case MPI_IOCPAGE2_CAP_FLAGS_IS_SUPPORT:
1925				mpt_prtc(mpt, " RAID-0");
1926				break;
1927			case MPI_IOCPAGE2_CAP_FLAGS_IME_SUPPORT:
1928				mpt_prtc(mpt, " RAID-1E");
1929				break;
1930			case MPI_IOCPAGE2_CAP_FLAGS_IM_SUPPORT:
1931				mpt_prtc(mpt, " RAID-1");
1932				break;
1933			case MPI_IOCPAGE2_CAP_FLAGS_SES_SUPPORT:
1934				mpt_prtc(mpt, " SES");
1935				break;
1936			case MPI_IOCPAGE2_CAP_FLAGS_SAFTE_SUPPORT:
1937				mpt_prtc(mpt, " SAFTE");
1938				break;
1939			case MPI_IOCPAGE2_CAP_FLAGS_CROSS_CHANNEL_SUPPORT:
1940				mpt_prtc(mpt, " Multi-Channel-Arrays");
1941			default:
1942				break;
1943			}
1944		}
1945		mpt_prtc(mpt, " )\n");
1946		if ((mpt->ioc_page2->CapabilitiesFlags
1947		   & (MPI_IOCPAGE2_CAP_FLAGS_IS_SUPPORT
1948		    | MPI_IOCPAGE2_CAP_FLAGS_IME_SUPPORT
1949		    | MPI_IOCPAGE2_CAP_FLAGS_IM_SUPPORT)) != 0) {
1950			mpt_prt(mpt, "%d Active Volume%s(%d Max)\n",
1951				mpt->ioc_page2->NumActiveVolumes,
1952				mpt->ioc_page2->NumActiveVolumes != 1
1953			      ? "s " : " ",
1954				mpt->ioc_page2->MaxVolumes);
1955			mpt_prt(mpt, "%d Hidden Drive Member%s(%d Max)\n",
1956				mpt->ioc_page2->NumActivePhysDisks,
1957				mpt->ioc_page2->NumActivePhysDisks != 1
1958			      ? "s " : " ",
1959				mpt->ioc_page2->MaxPhysDisks);
1960		}
1961	}
1962
1963	len = mpt->ioc_page2->MaxVolumes * sizeof(struct mpt_raid_volume);
1964	mpt->raid_volumes = malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO);
1965	if (mpt->raid_volumes == NULL) {
1966		mpt_prt(mpt, "Could not allocate RAID volume data\n");
1967		mpt_raid_free_mem(mpt);
1968		return (ENOMEM);
1969	}
1970
1971	/*
1972	 * Copy critical data out of ioc_page2 so that we can
1973	 * safely refresh the page without windows of unreliable
1974	 * data.
1975	 */
1976	mpt->raid_max_volumes =  mpt->ioc_page2->MaxVolumes;
1977
1978	len = sizeof(*mpt->raid_volumes->config_page) +
1979	    (sizeof (RAID_VOL0_PHYS_DISK) * (mpt->ioc_page2->MaxPhysDisks - 1));
1980	for (i = 0; i < mpt->ioc_page2->MaxVolumes; i++) {
1981		mpt_raid = &mpt->raid_volumes[i];
1982		mpt_raid->config_page =
1983		    malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO);
1984		if (mpt_raid->config_page == NULL) {
1985			mpt_prt(mpt, "Could not allocate RAID page data\n");
1986			mpt_raid_free_mem(mpt);
1987			return (ENOMEM);
1988		}
1989	}
1990	mpt->raid_page0_len = len;
1991
1992	len = mpt->ioc_page2->MaxPhysDisks * sizeof(struct mpt_raid_disk);
1993	mpt->raid_disks = malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO);
1994	if (mpt->raid_disks == NULL) {
1995		mpt_prt(mpt, "Could not allocate RAID disk data\n");
1996		mpt_raid_free_mem(mpt);
1997		return (ENOMEM);
1998	}
1999	mpt->raid_max_disks =  mpt->ioc_page2->MaxPhysDisks;
2000
2001	/*
2002	 * Load page 3.
2003	 */
2004	rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_IOC,
2005	    3, 0, &hdr, FALSE, 5000);
2006	if (rv) {
2007		mpt_raid_free_mem(mpt);
2008		return (EIO);
2009	}
2010
2011	mpt_lprt(mpt, MPT_PRT_DEBUG, "IOC Page 3 Header: %x %x %x %x\n",
2012	    hdr.PageVersion, hdr.PageLength, hdr.PageNumber, hdr.PageType);
2013
2014	len = hdr.PageLength * sizeof(uint32_t);
2015	mpt->ioc_page3 = malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO);
2016	if (mpt->ioc_page3 == NULL) {
2017		mpt_prt(mpt, "unable to allocate memory for IOC page 3\n");
2018		mpt_raid_free_mem(mpt);
2019		return (ENOMEM);
2020	}
2021	memcpy(&mpt->ioc_page3->Header, &hdr, sizeof(hdr));
2022	rv = mpt_read_cur_cfg_page(mpt, 0,
2023	    &mpt->ioc_page3->Header, len, FALSE, 5000);
2024	if (rv) {
2025		mpt_raid_free_mem(mpt);
2026		return (EIO);
2027	}
2028	mpt2host_config_page_ioc3(mpt->ioc_page3);
2029	mpt_raid_wakeup(mpt);
2030	return (0);
2031}
2032
2033/*
2034 * Enable IOC port
2035 */
2036static int
2037mpt_send_port_enable(struct mpt_softc *mpt, int port)
2038{
2039	request_t	*req;
2040	MSG_PORT_ENABLE *enable_req;
2041	int		 error;
2042
2043	req = mpt_get_request(mpt, /*sleep_ok*/FALSE);
2044	if (req == NULL)
2045		return (-1);
2046
2047	enable_req = req->req_vbuf;
2048	memset(enable_req, 0,  MPT_RQSL(mpt));
2049
2050	enable_req->Function   = MPI_FUNCTION_PORT_ENABLE;
2051	enable_req->MsgContext = htole32(req->index | MPT_REPLY_HANDLER_CONFIG);
2052	enable_req->PortNumber = port;
2053
2054	mpt_check_doorbell(mpt);
2055	mpt_lprt(mpt, MPT_PRT_DEBUG, "enabling port %d\n", port);
2056
2057	mpt_send_cmd(mpt, req);
2058	error = mpt_wait_req(mpt, req, REQ_STATE_DONE, REQ_STATE_DONE,
2059	    FALSE, (mpt->is_sas || mpt->is_fc)? 30000 : 3000);
2060	if (error != 0) {
2061		mpt_prt(mpt, "port %d enable timed out\n", port);
2062		return (-1);
2063	}
2064	mpt_free_request(mpt, req);
2065	mpt_lprt(mpt, MPT_PRT_DEBUG, "enabled port %d\n", port);
2066	return (0);
2067}
2068
2069/*
2070 * Enable/Disable asynchronous event reporting.
2071 */
2072static int
2073mpt_send_event_request(struct mpt_softc *mpt, int onoff)
2074{
2075	request_t *req;
2076	MSG_EVENT_NOTIFY *enable_req;
2077
2078	req = mpt_get_request(mpt, FALSE);
2079	if (req == NULL) {
2080		return (ENOMEM);
2081	}
2082	enable_req = req->req_vbuf;
2083	memset(enable_req, 0, sizeof *enable_req);
2084
2085	enable_req->Function   = MPI_FUNCTION_EVENT_NOTIFICATION;
2086	enable_req->MsgContext = htole32(req->index | MPT_REPLY_HANDLER_EVENTS);
2087	enable_req->Switch     = onoff;
2088
2089	mpt_check_doorbell(mpt);
2090	mpt_lprt(mpt, MPT_PRT_DEBUG, "%sabling async events\n",
2091	    onoff ? "en" : "dis");
2092	/*
2093	 * Send the command off, but don't wait for it.
2094	 */
2095	mpt_send_cmd(mpt, req);
2096	return (0);
2097}
2098
2099/*
2100 * Un-mask the interrupts on the chip.
2101 */
2102void
2103mpt_enable_ints(struct mpt_softc *mpt)
2104{
2105	/* Unmask every thing except door bell int */
2106	mpt_write(mpt, MPT_OFFSET_INTR_MASK, MPT_INTR_DB_MASK);
2107}
2108
2109/*
2110 * Mask the interrupts on the chip.
2111 */
2112void
2113mpt_disable_ints(struct mpt_softc *mpt)
2114{
2115	/* Mask all interrupts */
2116	mpt_write(mpt, MPT_OFFSET_INTR_MASK,
2117	    MPT_INTR_REPLY_MASK | MPT_INTR_DB_MASK);
2118}
2119
2120static void
2121mpt_sysctl_attach(struct mpt_softc *mpt)
2122{
2123#if __FreeBSD_version >= 500000
2124	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(mpt->dev);
2125	struct sysctl_oid *tree = device_get_sysctl_tree(mpt->dev);
2126
2127	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
2128		       "debug", CTLFLAG_RW, &mpt->verbose, 0,
2129		       "Debugging/Verbose level");
2130	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
2131		       "role", CTLFLAG_RD, &mpt->role, 0,
2132		       "HBA role");
2133#ifdef	MPT_TEST_MULTIPATH
2134	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
2135		       "failure_id", CTLFLAG_RW, &mpt->failure_id, -1,
2136		       "Next Target to Fail");
2137#endif
2138#endif
2139}
2140
2141int
2142mpt_attach(struct mpt_softc *mpt)
2143{
2144	struct mpt_personality *pers;
2145	int i;
2146	int error;
2147
2148	mpt_core_attach(mpt);
2149	mpt_core_enable(mpt);
2150
2151	TAILQ_INSERT_TAIL(&mpt_tailq, mpt, links);
2152	for (i = 0; i < MPT_MAX_PERSONALITIES; i++) {
2153		pers = mpt_personalities[i];
2154		if (pers == NULL) {
2155			continue;
2156		}
2157		if (pers->probe(mpt) == 0) {
2158			error = pers->attach(mpt);
2159			if (error != 0) {
2160				mpt_detach(mpt);
2161				return (error);
2162			}
2163			mpt->mpt_pers_mask |= (0x1 << pers->id);
2164			pers->use_count++;
2165		}
2166	}
2167
2168	/*
2169	 * Now that we've attached everything, do the enable function
2170	 * for all of the personalities. This allows the personalities
2171	 * to do setups that are appropriate for them prior to enabling
2172	 * any ports.
2173	 */
2174	for (i = 0; i < MPT_MAX_PERSONALITIES; i++) {
2175		pers = mpt_personalities[i];
2176		if (pers != NULL  && MPT_PERS_ATTACHED(pers, mpt) != 0) {
2177			error = pers->enable(mpt);
2178			if (error != 0) {
2179				mpt_prt(mpt, "personality %s attached but would"
2180				    " not enable (%d)\n", pers->name, error);
2181				mpt_detach(mpt);
2182				return (error);
2183			}
2184		}
2185	}
2186	return (0);
2187}
2188
2189int
2190mpt_shutdown(struct mpt_softc *mpt)
2191{
2192	struct mpt_personality *pers;
2193
2194	MPT_PERS_FOREACH_REVERSE(mpt, pers) {
2195		pers->shutdown(mpt);
2196	}
2197	return (0);
2198}
2199
2200int
2201mpt_detach(struct mpt_softc *mpt)
2202{
2203	struct mpt_personality *pers;
2204
2205	MPT_PERS_FOREACH_REVERSE(mpt, pers) {
2206		pers->detach(mpt);
2207		mpt->mpt_pers_mask &= ~(0x1 << pers->id);
2208		pers->use_count--;
2209	}
2210	TAILQ_REMOVE(&mpt_tailq, mpt, links);
2211	return (0);
2212}
2213
2214int
2215mpt_core_load(struct mpt_personality *pers)
2216{
2217	int i;
2218
2219	/*
2220	 * Setup core handlers and insert the default handler
2221	 * into all "empty slots".
2222	 */
2223	for (i = 0; i < MPT_NUM_REPLY_HANDLERS; i++) {
2224		mpt_reply_handlers[i] = mpt_default_reply_handler;
2225	}
2226
2227	mpt_reply_handlers[MPT_CBI(MPT_REPLY_HANDLER_EVENTS)] =
2228	    mpt_event_reply_handler;
2229	mpt_reply_handlers[MPT_CBI(MPT_REPLY_HANDLER_CONFIG)] =
2230	    mpt_config_reply_handler;
2231	mpt_reply_handlers[MPT_CBI(MPT_REPLY_HANDLER_HANDSHAKE)] =
2232	    mpt_handshake_reply_handler;
2233	return (0);
2234}
2235
2236/*
2237 * Initialize per-instance driver data and perform
2238 * initial controller configuration.
2239 */
2240int
2241mpt_core_attach(struct mpt_softc *mpt)
2242{
2243        int val, error;
2244
2245	LIST_INIT(&mpt->ack_frames);
2246	/* Put all request buffers on the free list */
2247	TAILQ_INIT(&mpt->request_pending_list);
2248	TAILQ_INIT(&mpt->request_free_list);
2249	TAILQ_INIT(&mpt->request_timeout_list);
2250	MPT_LOCK(mpt);
2251	for (val = 0; val < MPT_MAX_REQUESTS(mpt); val++) {
2252		request_t *req = &mpt->request_pool[val];
2253		req->state = REQ_STATE_ALLOCATED;
2254		mpt_free_request(mpt, req);
2255	}
2256	MPT_UNLOCK(mpt);
2257	for (val = 0; val < MPT_MAX_LUNS; val++) {
2258		STAILQ_INIT(&mpt->trt[val].atios);
2259		STAILQ_INIT(&mpt->trt[val].inots);
2260	}
2261	STAILQ_INIT(&mpt->trt_wildcard.atios);
2262	STAILQ_INIT(&mpt->trt_wildcard.inots);
2263#ifdef	MPT_TEST_MULTIPATH
2264	mpt->failure_id = -1;
2265#endif
2266	mpt->scsi_tgt_handler_id = MPT_HANDLER_ID_NONE;
2267	mpt_sysctl_attach(mpt);
2268	mpt_lprt(mpt, MPT_PRT_DEBUG, "doorbell req = %s\n",
2269	    mpt_ioc_diag(mpt_read(mpt, MPT_OFFSET_DOORBELL)));
2270
2271	MPT_LOCK(mpt);
2272	error = mpt_configure_ioc(mpt, 0, 0);
2273	MPT_UNLOCK(mpt);
2274
2275	return (error);
2276}
2277
2278int
2279mpt_core_enable(struct mpt_softc *mpt)
2280{
2281	/*
2282	 * We enter with the IOC enabled, but async events
2283	 * not enabled, ports not enabled and interrupts
2284	 * not enabled.
2285	 */
2286	MPT_LOCK(mpt);
2287
2288	/*
2289	 * Enable asynchronous event reporting- all personalities
2290	 * have attached so that they should be able to now field
2291	 * async events.
2292	 */
2293	mpt_send_event_request(mpt, 1);
2294
2295	/*
2296	 * Catch any pending interrupts
2297	 *
2298	 * This seems to be crucial- otherwise
2299	 * the portenable below times out.
2300	 */
2301	mpt_intr(mpt);
2302
2303	/*
2304	 * Enable Interrupts
2305	 */
2306	mpt_enable_ints(mpt);
2307
2308	/*
2309	 * Catch any pending interrupts
2310	 *
2311	 * This seems to be crucial- otherwise
2312	 * the portenable below times out.
2313	 */
2314	mpt_intr(mpt);
2315
2316	/*
2317	 * Enable the port.
2318	 */
2319	if (mpt_send_port_enable(mpt, 0) != MPT_OK) {
2320		mpt_prt(mpt, "failed to enable port 0\n");
2321		MPT_UNLOCK(mpt);
2322		return (ENXIO);
2323	}
2324	MPT_UNLOCK(mpt);
2325	return (0);
2326}
2327
2328void
2329mpt_core_shutdown(struct mpt_softc *mpt)
2330{
2331	mpt_disable_ints(mpt);
2332}
2333
2334void
2335mpt_core_detach(struct mpt_softc *mpt)
2336{
2337	/*
2338	 * XXX: FREE MEMORY
2339	 */
2340	mpt_disable_ints(mpt);
2341}
2342
2343int
2344mpt_core_unload(struct mpt_personality *pers)
2345{
2346	/* Unload is always successfull. */
2347	return (0);
2348}
2349
2350#define FW_UPLOAD_REQ_SIZE				\
2351	(sizeof(MSG_FW_UPLOAD) - sizeof(SGE_MPI_UNION)	\
2352       + sizeof(FW_UPLOAD_TCSGE) + sizeof(SGE_SIMPLE32))
2353
2354static int
2355mpt_upload_fw(struct mpt_softc *mpt)
2356{
2357	uint8_t fw_req_buf[FW_UPLOAD_REQ_SIZE];
2358	MSG_FW_UPLOAD_REPLY fw_reply;
2359	MSG_FW_UPLOAD *fw_req;
2360	FW_UPLOAD_TCSGE *tsge;
2361	SGE_SIMPLE32 *sge;
2362	uint32_t flags;
2363	int error;
2364
2365	memset(&fw_req_buf, 0, sizeof(fw_req_buf));
2366	fw_req = (MSG_FW_UPLOAD *)fw_req_buf;
2367	fw_req->ImageType = MPI_FW_UPLOAD_ITYPE_FW_IOC_MEM;
2368	fw_req->Function = MPI_FUNCTION_FW_UPLOAD;
2369	fw_req->MsgContext = htole32(MPT_REPLY_HANDLER_HANDSHAKE);
2370	tsge = (FW_UPLOAD_TCSGE *)&fw_req->SGL;
2371	tsge->DetailsLength = 12;
2372	tsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT;
2373	tsge->ImageSize = htole32(mpt->fw_image_size);
2374	sge = (SGE_SIMPLE32 *)(tsge + 1);
2375	flags = (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER
2376	      | MPI_SGE_FLAGS_END_OF_LIST | MPI_SGE_FLAGS_SIMPLE_ELEMENT
2377	      | MPI_SGE_FLAGS_32_BIT_ADDRESSING | MPI_SGE_FLAGS_IOC_TO_HOST);
2378	flags <<= MPI_SGE_FLAGS_SHIFT;
2379	sge->FlagsLength = htole32(flags | mpt->fw_image_size);
2380	sge->Address = htole32(mpt->fw_phys);
2381	error = mpt_send_handshake_cmd(mpt, sizeof(fw_req_buf), &fw_req_buf);
2382	if (error)
2383		return(error);
2384	error = mpt_recv_handshake_reply(mpt, sizeof(fw_reply), &fw_reply);
2385	return (error);
2386}
2387
2388static void
2389mpt_diag_outsl(struct mpt_softc *mpt, uint32_t addr,
2390	       uint32_t *data, bus_size_t len)
2391{
2392	uint32_t *data_end;
2393
2394	data_end = data + (roundup2(len, sizeof(uint32_t)) / 4);
2395	if (mpt->is_sas) {
2396		pci_enable_io(mpt->dev, SYS_RES_IOPORT);
2397	}
2398	mpt_pio_write(mpt, MPT_OFFSET_DIAG_ADDR, addr);
2399	while (data != data_end) {
2400		mpt_pio_write(mpt, MPT_OFFSET_DIAG_DATA, *data);
2401		data++;
2402	}
2403	if (mpt->is_sas) {
2404		pci_disable_io(mpt->dev, SYS_RES_IOPORT);
2405	}
2406}
2407
2408static int
2409mpt_download_fw(struct mpt_softc *mpt)
2410{
2411	MpiFwHeader_t *fw_hdr;
2412	int error;
2413	uint32_t ext_offset;
2414	uint32_t data;
2415
2416	mpt_prt(mpt, "Downloading Firmware - Image Size %d\n",
2417		mpt->fw_image_size);
2418
2419	error = mpt_enable_diag_mode(mpt);
2420	if (error != 0) {
2421		mpt_prt(mpt, "Could not enter diagnostic mode!\n");
2422		return (EIO);
2423	}
2424
2425	mpt_write(mpt, MPT_OFFSET_DIAGNOSTIC,
2426		  MPI_DIAG_RW_ENABLE|MPI_DIAG_DISABLE_ARM);
2427
2428	fw_hdr = (MpiFwHeader_t *)mpt->fw_image;
2429	mpt_diag_outsl(mpt, fw_hdr->LoadStartAddress, (uint32_t*)fw_hdr,
2430		       fw_hdr->ImageSize);
2431
2432	ext_offset = fw_hdr->NextImageHeaderOffset;
2433	while (ext_offset != 0) {
2434		MpiExtImageHeader_t *ext;
2435
2436		ext = (MpiExtImageHeader_t *)((uintptr_t)fw_hdr + ext_offset);
2437		ext_offset = ext->NextImageHeaderOffset;
2438
2439		mpt_diag_outsl(mpt, ext->LoadStartAddress, (uint32_t*)ext,
2440			       ext->ImageSize);
2441	}
2442
2443	if (mpt->is_sas) {
2444		pci_enable_io(mpt->dev, SYS_RES_IOPORT);
2445	}
2446	/* Setup the address to jump to on reset. */
2447	mpt_pio_write(mpt, MPT_OFFSET_DIAG_ADDR, fw_hdr->IopResetRegAddr);
2448	mpt_pio_write(mpt, MPT_OFFSET_DIAG_DATA, fw_hdr->IopResetVectorValue);
2449
2450	/*
2451	 * The controller sets the "flash bad" status after attempting
2452	 * to auto-boot from flash.  Clear the status so that the controller
2453	 * will continue the boot process with our newly installed firmware.
2454	 */
2455	mpt_pio_write(mpt, MPT_OFFSET_DIAG_ADDR, MPT_DIAG_MEM_CFG_BASE);
2456	data = mpt_pio_read(mpt, MPT_OFFSET_DIAG_DATA) | MPT_DIAG_MEM_CFG_BADFL;
2457	mpt_pio_write(mpt, MPT_OFFSET_DIAG_ADDR, MPT_DIAG_MEM_CFG_BASE);
2458	mpt_pio_write(mpt, MPT_OFFSET_DIAG_DATA, data);
2459
2460	if (mpt->is_sas) {
2461		pci_disable_io(mpt->dev, SYS_RES_IOPORT);
2462	}
2463
2464	/*
2465	 * Re-enable the processor and clear the boot halt flag.
2466	 */
2467	data = mpt_read(mpt, MPT_OFFSET_DIAGNOSTIC);
2468	data &= ~(MPI_DIAG_PREVENT_IOC_BOOT|MPI_DIAG_DISABLE_ARM);
2469	mpt_write(mpt, MPT_OFFSET_DIAGNOSTIC, data);
2470
2471	mpt_disable_diag_mode(mpt);
2472	return (0);
2473}
2474
2475/*
2476 * Allocate/Initialize data structures for the controller.  Called
2477 * once at instance startup.
2478 */
2479static int
2480mpt_configure_ioc(struct mpt_softc *mpt, int tn, int needreset)
2481{
2482	PTR_MSG_PORT_FACTS_REPLY pfp;
2483	int error,  port;
2484	size_t len;
2485
2486	if (tn == MPT_MAX_TRYS) {
2487		return (-1);
2488	}
2489
2490	/*
2491	 * No need to reset if the IOC is already in the READY state.
2492	 *
2493	 * Force reset if initialization failed previously.
2494	 * Note that a hard_reset of the second channel of a '929
2495	 * will stop operation of the first channel.  Hopefully, if the
2496	 * first channel is ok, the second will not require a hard
2497	 * reset.
2498	 */
2499	if (needreset || MPT_STATE(mpt_rd_db(mpt)) != MPT_DB_STATE_READY) {
2500		if (mpt_reset(mpt, FALSE) != MPT_OK) {
2501			return (mpt_configure_ioc(mpt, tn++, 1));
2502		}
2503		needreset = 0;
2504	}
2505
2506	if (mpt_get_iocfacts(mpt, &mpt->ioc_facts) != MPT_OK) {
2507		mpt_prt(mpt, "mpt_get_iocfacts failed\n");
2508		return (mpt_configure_ioc(mpt, tn++, 1));
2509	}
2510	mpt2host_iocfacts_reply(&mpt->ioc_facts);
2511
2512	mpt_prt(mpt, "MPI Version=%d.%d.%d.%d\n",
2513	    mpt->ioc_facts.MsgVersion >> 8,
2514	    mpt->ioc_facts.MsgVersion & 0xFF,
2515	    mpt->ioc_facts.HeaderVersion >> 8,
2516	    mpt->ioc_facts.HeaderVersion & 0xFF);
2517
2518	/*
2519	 * Now that we know request frame size, we can calculate
2520	 * the actual (reasonable) segment limit for read/write I/O.
2521	 *
2522	 * This limit is constrained by:
2523	 *
2524	 *  + The size of each area we allocate per command (and how
2525	 *    many chain segments we can fit into it).
2526	 *  + The total number of areas we've set up.
2527	 *  + The actual chain depth the card will allow.
2528	 *
2529	 * The first area's segment count is limited by the I/O request
2530	 * at the head of it. We cannot allocate realistically more
2531	 * than MPT_MAX_REQUESTS areas. Therefore, to account for both
2532	 * conditions, we'll just start out with MPT_MAX_REQUESTS-2.
2533	 *
2534	 */
2535	/* total number of request areas we (can) allocate */
2536	mpt->max_seg_cnt = MPT_MAX_REQUESTS(mpt) - 2;
2537
2538	/* converted to the number of chain areas possible */
2539	mpt->max_seg_cnt *= MPT_NRFM(mpt);
2540
2541	/* limited by the number of chain areas the card will support */
2542	if (mpt->max_seg_cnt > mpt->ioc_facts.MaxChainDepth) {
2543		mpt_lprt(mpt, MPT_PRT_DEBUG,
2544		    "chain depth limited to %u (from %u)\n",
2545		    mpt->ioc_facts.MaxChainDepth, mpt->max_seg_cnt);
2546		mpt->max_seg_cnt = mpt->ioc_facts.MaxChainDepth;
2547	}
2548
2549	/* converted to the number of simple sges in chain segments. */
2550	mpt->max_seg_cnt *= (MPT_NSGL(mpt) - 1);
2551
2552	mpt_lprt(mpt, MPT_PRT_DEBUG, "Maximum Segment Count: %u\n",
2553	    mpt->max_seg_cnt);
2554	mpt_lprt(mpt, MPT_PRT_DEBUG, "MsgLength=%u IOCNumber = %d\n",
2555	    mpt->ioc_facts.MsgLength, mpt->ioc_facts.IOCNumber);
2556	mpt_lprt(mpt, MPT_PRT_DEBUG,
2557	    "IOCFACTS: GlobalCredits=%d BlockSize=%u bytes "
2558	    "Request Frame Size %u bytes Max Chain Depth %u\n",
2559	    mpt->ioc_facts.GlobalCredits, mpt->ioc_facts.BlockSize,
2560	    mpt->ioc_facts.RequestFrameSize << 2,
2561	    mpt->ioc_facts.MaxChainDepth);
2562	mpt_lprt(mpt, MPT_PRT_DEBUG, "IOCFACTS: Num Ports %d, FWImageSize %d, "
2563	    "Flags=%#x\n", mpt->ioc_facts.NumberOfPorts,
2564	    mpt->ioc_facts.FWImageSize, mpt->ioc_facts.Flags);
2565
2566	len = mpt->ioc_facts.NumberOfPorts * sizeof (MSG_PORT_FACTS_REPLY);
2567	mpt->port_facts = malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO);
2568	if (mpt->port_facts == NULL) {
2569		mpt_prt(mpt, "unable to allocate memory for port facts\n");
2570		return (ENOMEM);
2571	}
2572
2573
2574	if ((mpt->ioc_facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT) &&
2575	    (mpt->fw_uploaded == 0)) {
2576		struct mpt_map_info mi;
2577
2578		/*
2579		 * In some configurations, the IOC's firmware is
2580		 * stored in a shared piece of system NVRAM that
2581		 * is only accessable via the BIOS.  In this
2582		 * case, the firmware keeps a copy of firmware in
2583		 * RAM until the OS driver retrieves it.  Once
2584		 * retrieved, we are responsible for re-downloading
2585		 * the firmware after any hard-reset.
2586		 */
2587		mpt->fw_image_size = mpt->ioc_facts.FWImageSize;
2588		error = mpt_dma_tag_create(mpt, mpt->parent_dmat, 1, 0,
2589		    BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
2590		    mpt->fw_image_size, 1, mpt->fw_image_size, 0,
2591		    &mpt->fw_dmat);
2592		if (error != 0) {
2593			mpt_prt(mpt, "cannot create firmwarew dma tag\n");
2594			return (ENOMEM);
2595		}
2596		error = bus_dmamem_alloc(mpt->fw_dmat,
2597		    (void **)&mpt->fw_image, BUS_DMA_NOWAIT, &mpt->fw_dmap);
2598		if (error != 0) {
2599			mpt_prt(mpt, "cannot allocate firmware memory\n");
2600			bus_dma_tag_destroy(mpt->fw_dmat);
2601			return (ENOMEM);
2602		}
2603		mi.mpt = mpt;
2604		mi.error = 0;
2605		bus_dmamap_load(mpt->fw_dmat, mpt->fw_dmap,
2606		    mpt->fw_image, mpt->fw_image_size, mpt_map_rquest, &mi, 0);
2607		mpt->fw_phys = mi.phys;
2608
2609		error = mpt_upload_fw(mpt);
2610		if (error != 0) {
2611			mpt_prt(mpt, "firmware upload failed.\n");
2612			bus_dmamap_unload(mpt->fw_dmat, mpt->fw_dmap);
2613			bus_dmamem_free(mpt->fw_dmat, mpt->fw_image,
2614			    mpt->fw_dmap);
2615			bus_dma_tag_destroy(mpt->fw_dmat);
2616			mpt->fw_image = NULL;
2617			return (EIO);
2618		}
2619		mpt->fw_uploaded = 1;
2620	}
2621
2622	for (port = 0; port < mpt->ioc_facts.NumberOfPorts; port++) {
2623		pfp = &mpt->port_facts[port];
2624		error = mpt_get_portfacts(mpt, 0, pfp);
2625		if (error != MPT_OK) {
2626			mpt_prt(mpt,
2627			    "mpt_get_portfacts on port %d failed\n", port);
2628			free(mpt->port_facts, M_DEVBUF);
2629			mpt->port_facts = NULL;
2630			return (mpt_configure_ioc(mpt, tn++, 1));
2631		}
2632		mpt2host_portfacts_reply(pfp);
2633
2634		if (port > 0) {
2635			error = MPT_PRT_INFO;
2636		} else {
2637			error = MPT_PRT_DEBUG;
2638		}
2639		mpt_lprt(mpt, error,
2640		    "PORTFACTS[%d]: Type %x PFlags %x IID %d MaxDev %d\n",
2641		    port, pfp->PortType, pfp->ProtocolFlags, pfp->PortSCSIID,
2642		    pfp->MaxDevices);
2643
2644	}
2645
2646	/*
2647	 * XXX: Not yet supporting more than port 0
2648	 */
2649	pfp = &mpt->port_facts[0];
2650	if (pfp->PortType == MPI_PORTFACTS_PORTTYPE_FC) {
2651		mpt->is_fc = 1;
2652		mpt->is_sas = 0;
2653		mpt->is_spi = 0;
2654	} else if (pfp->PortType == MPI_PORTFACTS_PORTTYPE_SAS) {
2655		mpt->is_fc = 0;
2656		mpt->is_sas = 1;
2657		mpt->is_spi = 0;
2658	} else if (pfp->PortType == MPI_PORTFACTS_PORTTYPE_SCSI) {
2659		mpt->is_fc = 0;
2660		mpt->is_sas = 0;
2661		mpt->is_spi = 1;
2662	} else if (pfp->PortType == MPI_PORTFACTS_PORTTYPE_ISCSI) {
2663		mpt_prt(mpt, "iSCSI not supported yet\n");
2664		return (ENXIO);
2665	} else if (pfp->PortType == MPI_PORTFACTS_PORTTYPE_INACTIVE) {
2666		mpt_prt(mpt, "Inactive Port\n");
2667		return (ENXIO);
2668	} else {
2669		mpt_prt(mpt, "unknown Port Type %#x\n", pfp->PortType);
2670		return (ENXIO);
2671	}
2672
2673	/*
2674	 * Set our role with what this port supports.
2675	 *
2676	 * Note this might be changed later in different modules
2677	 * if this is different from what is wanted.
2678	 */
2679	mpt->role = MPT_ROLE_NONE;
2680	if (pfp->ProtocolFlags & MPI_PORTFACTS_PROTOCOL_INITIATOR) {
2681		mpt->role |= MPT_ROLE_INITIATOR;
2682	}
2683	if (pfp->ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) {
2684		mpt->role |= MPT_ROLE_TARGET;
2685	}
2686
2687	/*
2688	 * Enable the IOC
2689	 */
2690	if (mpt_enable_ioc(mpt, 1) != MPT_OK) {
2691		mpt_prt(mpt, "unable to initialize IOC\n");
2692		return (ENXIO);
2693	}
2694
2695	/*
2696	 * Read IOC configuration information.
2697	 *
2698	 * We need this to determine whether or not we have certain
2699	 * settings for Integrated Mirroring (e.g.).
2700	 */
2701	mpt_read_config_info_ioc(mpt);
2702
2703	return (0);
2704}
2705
2706static int
2707mpt_enable_ioc(struct mpt_softc *mpt, int portenable)
2708{
2709	uint32_t pptr;
2710	int val;
2711
2712	if (mpt_send_ioc_init(mpt, MPI_WHOINIT_HOST_DRIVER) != MPT_OK) {
2713		mpt_prt(mpt, "mpt_send_ioc_init failed\n");
2714		return (EIO);
2715	}
2716
2717	mpt_lprt(mpt, MPT_PRT_DEBUG, "mpt_send_ioc_init ok\n");
2718
2719	if (mpt_wait_state(mpt, MPT_DB_STATE_RUNNING) != MPT_OK) {
2720		mpt_prt(mpt, "IOC failed to go to run state\n");
2721		return (ENXIO);
2722	}
2723	mpt_lprt(mpt, MPT_PRT_DEBUG, "IOC now at RUNSTATE\n");
2724
2725	/*
2726	 * Give it reply buffers
2727	 *
2728	 * Do *not* exceed global credits.
2729	 */
2730	for (val = 0, pptr = mpt->reply_phys;
2731	    (pptr + MPT_REPLY_SIZE) < (mpt->reply_phys + PAGE_SIZE);
2732	     pptr += MPT_REPLY_SIZE) {
2733		mpt_free_reply(mpt, pptr);
2734		if (++val == mpt->ioc_facts.GlobalCredits - 1)
2735			break;
2736	}
2737
2738
2739	/*
2740	 * Enable the port if asked. This is only done if we're resetting
2741	 * the IOC after initial startup.
2742	 */
2743	if (portenable) {
2744		/*
2745		 * Enable asynchronous event reporting
2746		 */
2747		mpt_send_event_request(mpt, 1);
2748
2749		if (mpt_send_port_enable(mpt, 0) != MPT_OK) {
2750			mpt_prt(mpt, "failed to enable port 0\n");
2751			return (ENXIO);
2752		}
2753	}
2754	return (MPT_OK);
2755}
2756
2757/*
2758 * Endian Conversion Functions- only used on Big Endian machines
2759 */
2760#if	_BYTE_ORDER == _BIG_ENDIAN
2761void
2762mpt2host_sge_simple_union(SGE_SIMPLE_UNION *sge)
2763{
2764
2765	MPT_2_HOST32(sge, FlagsLength);
2766	MPT_2_HOST32(sge, u.Address64.Low);
2767	MPT_2_HOST32(sge, u.Address64.High);
2768}
2769
2770void
2771mpt2host_iocfacts_reply(MSG_IOC_FACTS_REPLY *rp)
2772{
2773
2774	MPT_2_HOST16(rp, MsgVersion);
2775	MPT_2_HOST16(rp, HeaderVersion);
2776	MPT_2_HOST32(rp, MsgContext);
2777	MPT_2_HOST16(rp, IOCExceptions);
2778	MPT_2_HOST16(rp, IOCStatus);
2779	MPT_2_HOST32(rp, IOCLogInfo);
2780	MPT_2_HOST16(rp, ReplyQueueDepth);
2781	MPT_2_HOST16(rp, RequestFrameSize);
2782	MPT_2_HOST16(rp, Reserved_0101_FWVersion);
2783	MPT_2_HOST16(rp, ProductID);
2784	MPT_2_HOST32(rp, CurrentHostMfaHighAddr);
2785	MPT_2_HOST16(rp, GlobalCredits);
2786	MPT_2_HOST32(rp, CurrentSenseBufferHighAddr);
2787	MPT_2_HOST16(rp, CurReplyFrameSize);
2788	MPT_2_HOST32(rp, FWImageSize);
2789	MPT_2_HOST32(rp, IOCCapabilities);
2790	MPT_2_HOST32(rp, FWVersion.Word);
2791	MPT_2_HOST16(rp, HighPriorityQueueDepth);
2792	MPT_2_HOST16(rp, Reserved2);
2793	mpt2host_sge_simple_union(&rp->HostPageBufferSGE);
2794	MPT_2_HOST32(rp, ReplyFifoHostSignalingAddr);
2795}
2796
2797void
2798mpt2host_portfacts_reply(MSG_PORT_FACTS_REPLY *pfp)
2799{
2800
2801	MPT_2_HOST16(pfp, Reserved);
2802	MPT_2_HOST16(pfp, Reserved1);
2803	MPT_2_HOST32(pfp, MsgContext);
2804	MPT_2_HOST16(pfp, Reserved2);
2805	MPT_2_HOST16(pfp, IOCStatus);
2806	MPT_2_HOST32(pfp, IOCLogInfo);
2807	MPT_2_HOST16(pfp, MaxDevices);
2808	MPT_2_HOST16(pfp, PortSCSIID);
2809	MPT_2_HOST16(pfp, ProtocolFlags);
2810	MPT_2_HOST16(pfp, MaxPostedCmdBuffers);
2811	MPT_2_HOST16(pfp, MaxPersistentIDs);
2812	MPT_2_HOST16(pfp, MaxLanBuckets);
2813	MPT_2_HOST16(pfp, Reserved4);
2814	MPT_2_HOST32(pfp, Reserved5);
2815}
2816
2817void
2818mpt2host_config_page_ioc2(CONFIG_PAGE_IOC_2 *ioc2)
2819{
2820	int i;
2821
2822	MPT_2_HOST32(ioc2, CapabilitiesFlags);
2823	for (i = 0; i < MPI_IOC_PAGE_2_RAID_VOLUME_MAX; i++) {
2824		MPT_2_HOST16(ioc2, RaidVolume[i].Reserved3);
2825	}
2826}
2827
2828void
2829mpt2host_config_page_ioc3(CONFIG_PAGE_IOC_3 *ioc3)
2830{
2831
2832	MPT_2_HOST16(ioc3, Reserved2);
2833}
2834
2835void
2836mpt2host_config_page_scsi_port_0(CONFIG_PAGE_SCSI_PORT_0 *sp0)
2837{
2838
2839	MPT_2_HOST32(sp0, Capabilities);
2840	MPT_2_HOST32(sp0, PhysicalInterface);
2841}
2842
2843void
2844mpt2host_config_page_scsi_port_1(CONFIG_PAGE_SCSI_PORT_1 *sp1)
2845{
2846
2847	MPT_2_HOST32(sp1, Configuration);
2848	MPT_2_HOST32(sp1, OnBusTimerValue);
2849	MPT_2_HOST16(sp1, IDConfig);
2850}
2851
2852void
2853host2mpt_config_page_scsi_port_1(CONFIG_PAGE_SCSI_PORT_1 *sp1)
2854{
2855
2856	HOST_2_MPT32(sp1, Configuration);
2857	HOST_2_MPT32(sp1, OnBusTimerValue);
2858	HOST_2_MPT16(sp1, IDConfig);
2859}
2860
2861void
2862mpt2host_config_page_scsi_port_2(CONFIG_PAGE_SCSI_PORT_2 *sp2)
2863{
2864	int i;
2865
2866	MPT_2_HOST32(sp2, PortFlags);
2867	MPT_2_HOST32(sp2, PortSettings);
2868	for (i = 0; i < sizeof(sp2->DeviceSettings) /
2869	    sizeof(*sp2->DeviceSettings); i++) {
2870		MPT_2_HOST16(sp2, DeviceSettings[i].DeviceFlags);
2871	}
2872}
2873
2874void
2875mpt2host_config_page_scsi_device_0(CONFIG_PAGE_SCSI_DEVICE_0 *sd0)
2876{
2877
2878	MPT_2_HOST32(sd0, NegotiatedParameters);
2879	MPT_2_HOST32(sd0, Information);
2880}
2881
2882void
2883mpt2host_config_page_scsi_device_1(CONFIG_PAGE_SCSI_DEVICE_1 *sd1)
2884{
2885
2886	MPT_2_HOST32(sd1, RequestedParameters);
2887	MPT_2_HOST32(sd1, Reserved);
2888	MPT_2_HOST32(sd1, Configuration);
2889}
2890
2891void
2892host2mpt_config_page_scsi_device_1(CONFIG_PAGE_SCSI_DEVICE_1 *sd1)
2893{
2894
2895	HOST_2_MPT32(sd1, RequestedParameters);
2896	HOST_2_MPT32(sd1, Reserved);
2897	HOST_2_MPT32(sd1, Configuration);
2898}
2899
2900void
2901mpt2host_config_page_fc_port_0(CONFIG_PAGE_FC_PORT_0 *fp0)
2902{
2903
2904	MPT_2_HOST32(fp0, Flags);
2905	MPT_2_HOST32(fp0, PortIdentifier);
2906	MPT_2_HOST32(fp0, WWNN.Low);
2907	MPT_2_HOST32(fp0, WWNN.High);
2908	MPT_2_HOST32(fp0, WWPN.Low);
2909	MPT_2_HOST32(fp0, WWPN.High);
2910	MPT_2_HOST32(fp0, SupportedServiceClass);
2911	MPT_2_HOST32(fp0, SupportedSpeeds);
2912	MPT_2_HOST32(fp0, CurrentSpeed);
2913	MPT_2_HOST32(fp0, MaxFrameSize);
2914	MPT_2_HOST32(fp0, FabricWWNN.Low);
2915	MPT_2_HOST32(fp0, FabricWWNN.High);
2916	MPT_2_HOST32(fp0, FabricWWPN.Low);
2917	MPT_2_HOST32(fp0, FabricWWPN.High);
2918	MPT_2_HOST32(fp0, DiscoveredPortsCount);
2919	MPT_2_HOST32(fp0, MaxInitiators);
2920}
2921
2922void
2923mpt2host_config_page_fc_port_1(CONFIG_PAGE_FC_PORT_1 *fp1)
2924{
2925
2926	MPT_2_HOST32(fp1, Flags);
2927	MPT_2_HOST32(fp1, NoSEEPROMWWNN.Low);
2928	MPT_2_HOST32(fp1, NoSEEPROMWWNN.High);
2929	MPT_2_HOST32(fp1, NoSEEPROMWWPN.Low);
2930	MPT_2_HOST32(fp1, NoSEEPROMWWPN.High);
2931}
2932
2933void
2934host2mpt_config_page_fc_port_1(CONFIG_PAGE_FC_PORT_1 *fp1)
2935{
2936
2937	HOST_2_MPT32(fp1, Flags);
2938	HOST_2_MPT32(fp1, NoSEEPROMWWNN.Low);
2939	HOST_2_MPT32(fp1, NoSEEPROMWWNN.High);
2940	HOST_2_MPT32(fp1, NoSEEPROMWWPN.Low);
2941	HOST_2_MPT32(fp1, NoSEEPROMWWPN.High);
2942}
2943
2944void
2945mpt2host_config_page_raid_vol_0(CONFIG_PAGE_RAID_VOL_0 *volp)
2946{
2947	int i;
2948
2949	MPT_2_HOST16(volp, VolumeStatus.Reserved);
2950	MPT_2_HOST16(volp, VolumeSettings.Settings);
2951	MPT_2_HOST32(volp, MaxLBA);
2952	MPT_2_HOST32(volp, MaxLBAHigh);
2953	MPT_2_HOST32(volp, StripeSize);
2954	MPT_2_HOST32(volp, Reserved2);
2955	MPT_2_HOST32(volp, Reserved3);
2956	for (i = 0; i < MPI_RAID_VOL_PAGE_0_PHYSDISK_MAX; i++) {
2957		MPT_2_HOST16(volp, PhysDisk[i].Reserved);
2958	}
2959}
2960
2961void
2962mpt2host_config_page_raid_phys_disk_0(CONFIG_PAGE_RAID_PHYS_DISK_0 *rpd0)
2963{
2964
2965	MPT_2_HOST32(rpd0, Reserved1);
2966	MPT_2_HOST16(rpd0, PhysDiskStatus.Reserved);
2967	MPT_2_HOST32(rpd0, MaxLBA);
2968	MPT_2_HOST16(rpd0, ErrorData.Reserved);
2969	MPT_2_HOST16(rpd0, ErrorData.ErrorCount);
2970	MPT_2_HOST16(rpd0, ErrorData.SmartCount);
2971}
2972
2973void
2974mpt2host_mpi_raid_vol_indicator(MPI_RAID_VOL_INDICATOR *vi)
2975{
2976
2977	MPT_2_HOST16(vi, TotalBlocks.High);
2978	MPT_2_HOST16(vi, TotalBlocks.Low);
2979	MPT_2_HOST16(vi, BlocksRemaining.High);
2980	MPT_2_HOST16(vi, BlocksRemaining.Low);
2981}
2982#endif
2983