mpr_sas_lsi.c revision 283660
1/*-
2 * Copyright (c) 2011-2014 LSI Corp.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * LSI MPT-Fusion Host Adapter FreeBSD
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD: head/sys/dev/mpr/mpr_sas_lsi.c 283660 2015-05-28 18:14:55Z slm $");
31
32/* Communications core for LSI MPT2 */
33
34/* TODO Move headers to mprvar */
35#include <sys/types.h>
36#include <sys/param.h>
37#include <sys/systm.h>
38#include <sys/kernel.h>
39#include <sys/selinfo.h>
40#include <sys/module.h>
41#include <sys/bus.h>
42#include <sys/conf.h>
43#include <sys/bio.h>
44#include <sys/malloc.h>
45#include <sys/uio.h>
46#include <sys/sysctl.h>
47#include <sys/endian.h>
48#include <sys/queue.h>
49#include <sys/kthread.h>
50#include <sys/taskqueue.h>
51#include <sys/sbuf.h>
52
53#include <machine/bus.h>
54#include <machine/resource.h>
55#include <sys/rman.h>
56
57#include <machine/stdarg.h>
58
59#include <cam/cam.h>
60#include <cam/cam_ccb.h>
61#include <cam/cam_debug.h>
62#include <cam/cam_sim.h>
63#include <cam/cam_xpt_sim.h>
64#include <cam/cam_xpt_periph.h>
65#include <cam/cam_periph.h>
66#include <cam/scsi/scsi_all.h>
67#include <cam/scsi/scsi_message.h>
68
69#include <dev/mpr/mpi/mpi2_type.h>
70#include <dev/mpr/mpi/mpi2.h>
71#include <dev/mpr/mpi/mpi2_ioc.h>
72#include <dev/mpr/mpi/mpi2_sas.h>
73#include <dev/mpr/mpi/mpi2_cnfg.h>
74#include <dev/mpr/mpi/mpi2_init.h>
75#include <dev/mpr/mpi/mpi2_raid.h>
76#include <dev/mpr/mpi/mpi2_tool.h>
77#include <dev/mpr/mpr_ioctl.h>
78#include <dev/mpr/mprvar.h>
79#include <dev/mpr/mpr_table.h>
80#include <dev/mpr/mpr_sas.h>
81
82/* For Hashed SAS Address creation for SATA Drives */
83#define MPT2SAS_SN_LEN 20
84#define MPT2SAS_MN_LEN 40
85
86struct mpr_fw_event_work {
87	u16			event;
88	void			*event_data;
89	TAILQ_ENTRY(mpr_fw_event_work)	ev_link;
90};
91
92union _sata_sas_address {
93	u8 wwid[8];
94	struct {
95		u32 high;
96		u32 low;
97	} word;
98};
99
100/*
101 * define the IDENTIFY DEVICE structure
102 */
103struct _ata_identify_device_data {
104	u16 reserved1[10];	/* 0-9 */
105	u16 serial_number[10];	/* 10-19 */
106	u16 reserved2[7];	/* 20-26 */
107	u16 model_number[20];	/* 27-46*/
108	u16 reserved3[209];	/* 47-255*/
109};
110static u32 event_count;
111static void mprsas_fw_work(struct mpr_softc *sc,
112    struct mpr_fw_event_work *fw_event);
113static void mprsas_fw_event_free(struct mpr_softc *,
114    struct mpr_fw_event_work *);
115static int mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate);
116static int mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
117    Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz,
118    u32 devinfo);
119int mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
120    u64 *sas_address, u16 handle, u32 device_info);
121static int mprsas_volume_add(struct mpr_softc *sc,
122    u16 handle);
123static void mprsas_SSU_to_SATA_devices(struct mpr_softc *sc);
124static void mprsas_stop_unit_done(struct cam_periph *periph,
125    union ccb *done_ccb);
126
127void
128mprsas_evt_handler(struct mpr_softc *sc, uintptr_t data,
129    MPI2_EVENT_NOTIFICATION_REPLY *event)
130{
131	struct mpr_fw_event_work *fw_event;
132	u16 sz;
133
134	mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
135	mpr_print_evt_sas(sc, event);
136	mprsas_record_event(sc, event);
137
138	fw_event = malloc(sizeof(struct mpr_fw_event_work), M_MPR,
139	     M_ZERO|M_NOWAIT);
140	if (!fw_event) {
141		printf("%s: allocate failed for fw_event\n", __func__);
142		return;
143	}
144	sz = le16toh(event->EventDataLength) * 4;
145	fw_event->event_data = malloc(sz, M_MPR, M_ZERO|M_NOWAIT);
146	if (!fw_event->event_data) {
147		printf("%s: allocate failed for event_data\n", __func__);
148		free(fw_event, M_MPR);
149		return;
150	}
151
152	bcopy(event->EventData, fw_event->event_data, sz);
153	fw_event->event = event->Event;
154	if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
155	    event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE ||
156	    event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
157	    sc->track_mapping_events)
158		sc->pending_map_events++;
159
160	/*
161	 * When wait_for_port_enable flag is set, make sure that all the events
162	 * are processed. Increment the startup_refcount and decrement it after
163	 * events are processed.
164	 */
165	if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
166	    event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
167	    sc->wait_for_port_enable)
168		mprsas_startup_increment(sc->sassc);
169
170	TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link);
171	taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task);
172
173}
174
175static void
176mprsas_fw_event_free(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
177{
178
179	free(fw_event->event_data, M_MPR);
180	free(fw_event, M_MPR);
181}
182
183/**
184 * _mpr_fw_work - delayed task for processing firmware events
185 * @sc: per adapter object
186 * @fw_event: The fw_event_work object
187 * Context: user.
188 *
189 * Return nothing.
190 */
191static void
192mprsas_fw_work(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
193{
194	struct mprsas_softc *sassc;
195	sassc = sc->sassc;
196
197	mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Working on  Event: [%x]\n",
198	    event_count++, __func__, fw_event->event);
199	switch (fw_event->event) {
200	case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
201	{
202		MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data;
203		MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy;
204		int i;
205
206		data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *)
207		    fw_event->event_data;
208
209		mpr_mapping_topology_change_event(sc, fw_event->event_data);
210
211		for (i = 0; i < data->NumEntries; i++) {
212			phy = &data->PHY[i];
213			switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) {
214			case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
215				if (mprsas_add_device(sc,
216				    le16toh(phy->AttachedDevHandle),
217				    phy->LinkRate)) {
218					printf("%s: failed to add device with "
219					    "handle 0x%x\n", __func__,
220					    le16toh(phy->AttachedDevHandle));
221					mprsas_prepare_remove(sassc, le16toh(
222					    phy->AttachedDevHandle));
223				}
224				break;
225			case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
226				mprsas_prepare_remove(sassc, le16toh(
227				    phy->AttachedDevHandle));
228				break;
229			case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
230			case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
231			case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
232			default:
233				break;
234			}
235		}
236		/*
237		 * refcount was incremented for this event in
238		 * mprsas_evt_handler.  Decrement it here because the event has
239		 * been processed.
240		 */
241		mprsas_startup_decrement(sassc);
242		break;
243	}
244	case MPI2_EVENT_SAS_DISCOVERY:
245	{
246		MPI2_EVENT_DATA_SAS_DISCOVERY *data;
247
248		data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data;
249
250		if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED)
251			mpr_dprint(sc, MPR_TRACE,"SAS discovery start "
252			    "event\n");
253		if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) {
254			mpr_dprint(sc, MPR_TRACE,"SAS discovery stop event\n");
255			sassc->flags &= ~MPRSAS_IN_DISCOVERY;
256			mprsas_discovery_end(sassc);
257		}
258		break;
259	}
260	case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
261	{
262		Mpi2EventDataSasEnclDevStatusChange_t *data;
263		data = (Mpi2EventDataSasEnclDevStatusChange_t *)
264		    fw_event->event_data;
265		mpr_mapping_enclosure_dev_status_change_event(sc,
266		    fw_event->event_data);
267		break;
268	}
269	case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
270	{
271		Mpi2EventIrConfigElement_t *element;
272		int i;
273		u8 foreign_config, reason;
274		u16 elementType;
275		Mpi2EventDataIrConfigChangeList_t *event_data;
276		struct mprsas_target *targ;
277		unsigned int id;
278
279		event_data = fw_event->event_data;
280		foreign_config = (le32toh(event_data->Flags) &
281		    MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
282
283		element =
284		    (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
285		id = mpr_mapping_get_raid_id_from_handle(sc,
286		    element->VolDevHandle);
287
288		mpr_mapping_ir_config_change_event(sc, event_data);
289		for (i = 0; i < event_data->NumElements; i++, element++) {
290			reason = element->ReasonCode;
291			elementType = le16toh(element->ElementFlags) &
292			    MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
293			/*
294			 * check for element type of Phys Disk or Hot Spare
295			 */
296			if ((elementType !=
297			    MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT)
298			    && (elementType !=
299			    MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT))
300				// do next element
301				goto skip_fp_send;
302
303			/*
304			 * check for reason of Hide, Unhide, PD Created, or PD
305			 * Deleted
306			 */
307			if ((reason != MPI2_EVENT_IR_CHANGE_RC_HIDE) &&
308			    (reason != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) &&
309			    (reason != MPI2_EVENT_IR_CHANGE_RC_PD_CREATED) &&
310			    (reason != MPI2_EVENT_IR_CHANGE_RC_PD_DELETED))
311				goto skip_fp_send;
312
313			// check for a reason of Hide or PD Created
314			if ((reason == MPI2_EVENT_IR_CHANGE_RC_HIDE) ||
315			    (reason == MPI2_EVENT_IR_CHANGE_RC_PD_CREATED))
316			{
317				// build RAID Action message
318				Mpi2RaidActionRequest_t	*action;
319				Mpi2RaidActionReply_t *reply;
320				struct mpr_command *cm;
321				int error = 0;
322				if ((cm = mpr_alloc_command(sc)) == NULL) {
323					printf("%s: command alloc failed\n",
324					    __func__);
325					return;
326				}
327
328				mpr_dprint(sc, MPR_INFO, "Sending FP action "
329				    "from "
330				    "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST "
331				    ":\n");
332				action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
333				action->Function = MPI2_FUNCTION_RAID_ACTION;
334				action->Action =
335				    MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
336				action->PhysDiskNum = element->PhysDiskNum;
337				cm->cm_desc.Default.RequestFlags =
338				    MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
339				error = mpr_request_polled(sc, cm);
340				reply = (Mpi2RaidActionReply_t *)cm->cm_reply;
341				if (error || (reply == NULL)) {
342					/* FIXME */
343					/*
344					 * If the poll returns error then we
345					 * need to do diag reset
346					 */
347					printf("%s: poll for page completed "
348					    "with error %d", __func__, error);
349				}
350				if (reply && (le16toh(reply->IOCStatus) &
351				    MPI2_IOCSTATUS_MASK) !=
352				    MPI2_IOCSTATUS_SUCCESS) {
353					mpr_dprint(sc, MPR_INFO, "%s: error "
354					    "sending RaidActionPage; iocstatus "
355					    "= 0x%x\n", __func__,
356					    le16toh(reply->IOCStatus));
357				}
358
359				if (cm)
360					mpr_free_command(sc, cm);
361			}
362skip_fp_send:
363			mpr_dprint(sc, MPR_INFO, "Received "
364			    "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST Reason "
365			    "code %x:\n", element->ReasonCode);
366			switch (element->ReasonCode) {
367			case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
368			case MPI2_EVENT_IR_CHANGE_RC_ADDED:
369				if (!foreign_config) {
370					if (mprsas_volume_add(sc,
371					    le16toh(element->VolDevHandle))) {
372						printf("%s: failed to add RAID "
373						    "volume with handle 0x%x\n",
374						    __func__, le16toh(element->
375						    VolDevHandle));
376					}
377				}
378				break;
379			case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
380			case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
381				/*
382				 * Rescan after volume is deleted or removed.
383				 */
384				if (!foreign_config) {
385					if (id == MPR_MAP_BAD_ID) {
386						printf("%s: could not get ID "
387						    "for volume with handle "
388						    "0x%04x\n", __func__,
389						    le16toh(element->
390						    VolDevHandle));
391						break;
392					}
393
394					targ = &sassc->targets[id];
395					targ->handle = 0x0;
396					targ->encl_slot = 0x0;
397					targ->encl_handle = 0x0;
398					targ->encl_level_valid = 0x0;
399					targ->encl_level = 0x0;
400					targ->connector_name[0] = ' ';
401					targ->connector_name[1] = ' ';
402					targ->connector_name[2] = ' ';
403					targ->connector_name[3] = ' ';
404					targ->exp_dev_handle = 0x0;
405					targ->phy_num = 0x0;
406					targ->linkrate = 0x0;
407					mprsas_rescan_target(sc, targ);
408					printf("RAID target id 0x%x removed\n",
409					    targ->tid);
410				}
411				break;
412			case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
413			case MPI2_EVENT_IR_CHANGE_RC_HIDE:
414				/*
415				 * Phys Disk of a volume has been created.  Hide
416				 * it from the OS.
417				 */
418				targ = mprsas_find_target_by_handle(sassc, 0,
419				    element->PhysDiskDevHandle);
420				if (targ == NULL)
421					break;
422				targ->flags |= MPR_TARGET_FLAGS_RAID_COMPONENT;
423				mprsas_rescan_target(sc, targ);
424
425				break;
426			case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
427				/*
428				 * Phys Disk of a volume has been deleted.
429				 * Expose it to the OS.
430				 */
431				if (mprsas_add_device(sc,
432				    le16toh(element->PhysDiskDevHandle), 0)) {
433					printf("%s: failed to add device with "
434					    "handle 0x%x\n", __func__,
435					    le16toh(element->
436					    PhysDiskDevHandle));
437					mprsas_prepare_remove(sassc,
438					    le16toh(element->
439					    PhysDiskDevHandle));
440				}
441				break;
442			}
443		}
444		/*
445		 * refcount was incremented for this event in
446		 * mprsas_evt_handler.  Decrement it here because the event has
447		 * been processed.
448		 */
449		mprsas_startup_decrement(sassc);
450		break;
451	}
452	case MPI2_EVENT_IR_VOLUME:
453	{
454		Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
455
456		/*
457		 * Informational only.
458		 */
459		mpr_dprint(sc, MPR_EVENT, "Received IR Volume event:\n");
460		switch (event_data->ReasonCode) {
461		case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED:
462  			mpr_dprint(sc, MPR_EVENT, "   Volume Settings "
463  			    "changed from 0x%x to 0x%x for Volome with "
464 			    "handle 0x%x", le32toh(event_data->PreviousValue),
465 			    le32toh(event_data->NewValue),
466 			    le16toh(event_data->VolDevHandle));
467			break;
468		case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED:
469  			mpr_dprint(sc, MPR_EVENT, "   Volume Status "
470  			    "changed from 0x%x to 0x%x for Volome with "
471 			    "handle 0x%x", le32toh(event_data->PreviousValue),
472 			    le32toh(event_data->NewValue),
473 			    le16toh(event_data->VolDevHandle));
474			break;
475		case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED:
476  			mpr_dprint(sc, MPR_EVENT, "   Volume State "
477  			    "changed from 0x%x to 0x%x for Volome with "
478 			    "handle 0x%x", le32toh(event_data->PreviousValue),
479 			    le32toh(event_data->NewValue),
480 			    le16toh(event_data->VolDevHandle));
481				u32 state;
482				struct mprsas_target *targ;
483				state = le32toh(event_data->NewValue);
484				switch (state) {
485				case MPI2_RAID_VOL_STATE_MISSING:
486				case MPI2_RAID_VOL_STATE_FAILED:
487					mprsas_prepare_volume_remove(sassc,
488					    event_data->VolDevHandle);
489					break;
490
491				case MPI2_RAID_VOL_STATE_ONLINE:
492				case MPI2_RAID_VOL_STATE_DEGRADED:
493				case MPI2_RAID_VOL_STATE_OPTIMAL:
494					targ =
495					    mprsas_find_target_by_handle(sassc,
496					    0, event_data->VolDevHandle);
497					if (targ) {
498						printf("%s %d: Volume handle "
499						    "0x%x is already added \n",
500						    __func__, __LINE__,
501						    event_data->VolDevHandle);
502						break;
503					}
504					if (mprsas_volume_add(sc,
505					    le16toh(event_data->
506					    VolDevHandle))) {
507						printf("%s: failed to add RAID "
508						    "volume with handle 0x%x\n",
509						    __func__, le16toh(
510						    event_data->VolDevHandle));
511					}
512					break;
513				default:
514					break;
515				}
516			break;
517		default:
518			break;
519		}
520		break;
521	}
522	case MPI2_EVENT_IR_PHYSICAL_DISK:
523	{
524		Mpi2EventDataIrPhysicalDisk_t *event_data =
525		    fw_event->event_data;
526		struct mprsas_target *targ;
527
528		/*
529		 * Informational only.
530		 */
531		mpr_dprint(sc, MPR_EVENT, "Received IR Phys Disk event:\n");
532		switch (event_data->ReasonCode) {
533		case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED:
534  			mpr_dprint(sc, MPR_EVENT, "   Phys Disk Settings "
535  			    "changed from 0x%x to 0x%x for Phys Disk Number "
536  			    "%d and handle 0x%x at Enclosure handle 0x%x, Slot "
537 			    "%d", le32toh(event_data->PreviousValue),
538 			    le32toh(event_data->NewValue),
539			    event_data->PhysDiskNum,
540 			    le16toh(event_data->PhysDiskDevHandle),
541 			    le16toh(event_data->EnclosureHandle),
542			    le16toh(event_data->Slot));
543			break;
544		case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED:
545  			mpr_dprint(sc, MPR_EVENT, "   Phys Disk Status changed "
546  			    "from 0x%x to 0x%x for Phys Disk Number %d and "
547  			    "handle 0x%x at Enclosure handle 0x%x, Slot %d",
548 			    le32toh(event_data->PreviousValue),
549 			    le32toh(event_data->NewValue),
550			    event_data->PhysDiskNum,
551 			    le16toh(event_data->PhysDiskDevHandle),
552 			    le16toh(event_data->EnclosureHandle),
553			    le16toh(event_data->Slot));
554			break;
555		case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED:
556  			mpr_dprint(sc, MPR_EVENT, "   Phys Disk State changed "
557  			    "from 0x%x to 0x%x for Phys Disk Number %d and "
558  			    "handle 0x%x at Enclosure handle 0x%x, Slot %d",
559 			    le32toh(event_data->PreviousValue),
560 			    le32toh(event_data->NewValue),
561			    event_data->PhysDiskNum,
562 			    le16toh(event_data->PhysDiskDevHandle),
563 			    le16toh(event_data->EnclosureHandle),
564			    le16toh(event_data->Slot));
565			switch (event_data->NewValue) {
566				case MPI2_RAID_PD_STATE_ONLINE:
567				case MPI2_RAID_PD_STATE_DEGRADED:
568				case MPI2_RAID_PD_STATE_REBUILDING:
569				case MPI2_RAID_PD_STATE_OPTIMAL:
570				case MPI2_RAID_PD_STATE_HOT_SPARE:
571					targ = mprsas_find_target_by_handle(
572					    sassc, 0,
573					    event_data->PhysDiskDevHandle);
574					if (targ) {
575						targ->flags |=
576						    MPR_TARGET_FLAGS_RAID_COMPONENT;
577						printf("%s %d: Found Target "
578						    "for handle 0x%x.\n",
579						    __func__, __LINE__ ,
580						    event_data->
581						    PhysDiskDevHandle);
582					}
583				break;
584				case MPI2_RAID_PD_STATE_OFFLINE:
585				case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
586				case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
587				default:
588					targ = mprsas_find_target_by_handle(
589					    sassc, 0,
590					    event_data->PhysDiskDevHandle);
591					if (targ) {
592						targ->flags |=
593					    ~MPR_TARGET_FLAGS_RAID_COMPONENT;
594						printf("%s %d: Found Target "
595						    "for handle 0x%x.  \n",
596						    __func__, __LINE__ ,
597						    event_data->
598						    PhysDiskDevHandle);
599					}
600				break;
601			}
602		default:
603			break;
604		}
605		break;
606	}
607	case MPI2_EVENT_IR_OPERATION_STATUS:
608	{
609		Mpi2EventDataIrOperationStatus_t *event_data =
610		    fw_event->event_data;
611
612		/*
613		 * Informational only.
614		 */
615		mpr_dprint(sc, MPR_EVENT, "Received IR Op Status event:\n");
616		mpr_dprint(sc, MPR_EVENT, "   RAID Operation of %d is %d "
617		    "percent complete for Volume with handle 0x%x",
618		    event_data->RAIDOperation, event_data->PercentComplete,
619		    le16toh(event_data->VolDevHandle));
620		break;
621	}
622	case MPI2_EVENT_TEMP_THRESHOLD:
623	{
624		pMpi2EventDataTemperature_t	temp_event;
625
626		temp_event = (pMpi2EventDataTemperature_t)fw_event->event_data;
627
628		/*
629		 * The Temp Sensor Count must be greater than the event's Sensor
630		 * Num to be valid.  If valid, print the temp thresholds that
631		 * have been exceeded.
632		 */
633		if (sc->iounit_pg8.NumSensors > temp_event->SensorNum) {
634			mpr_dprint(sc, MPR_FAULT, "Temperature Threshold flags "
635			    "%s %s %s %s exceeded for Sensor: %d !!!\n",
636			    ((temp_event->Status & 0x01) == 1) ? "0 " : " ",
637			    ((temp_event->Status & 0x02) == 2) ? "1 " : " ",
638			    ((temp_event->Status & 0x04) == 4) ? "2 " : " ",
639			    ((temp_event->Status & 0x08) == 8) ? "3 " : " ",
640			    temp_event->SensorNum);
641			mpr_dprint(sc, MPR_FAULT, "Current Temp in Celsius: "
642			    "%d\n", temp_event->CurrentTemperature);
643		}
644		break;
645	}
646	case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
647	case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
648	default:
649		mpr_dprint(sc, MPR_TRACE,"Unhandled event 0x%0X\n",
650		    fw_event->event);
651		break;
652
653	}
654	mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Event Free: [%x]\n", event_count,
655	    __func__, fw_event->event);
656	mprsas_fw_event_free(sc, fw_event);
657}
658
659void
660mprsas_firmware_event_work(void *arg, int pending)
661{
662	struct mpr_fw_event_work *fw_event;
663	struct mpr_softc *sc;
664
665	sc = (struct mpr_softc *)arg;
666	mpr_lock(sc);
667	while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) {
668		TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link);
669		mprsas_fw_work(sc, fw_event);
670	}
671	mpr_unlock(sc);
672}
673
674static int
675mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate){
676	char devstring[80];
677	struct mprsas_softc *sassc;
678	struct mprsas_target *targ;
679	Mpi2ConfigReply_t mpi_reply;
680	Mpi2SasDevicePage0_t config_page;
681	uint64_t sas_address, sata_sas_address;
682	uint64_t parent_sas_address = 0;
683	u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
684	u32 device_info, parent_devinfo = 0;
685	unsigned int id;
686	int ret;
687	int error = 0;
688	struct mprsas_lun *lun;
689
690	sassc = sc->sassc;
691	mprsas_startup_increment(sassc);
692	if ((mpr_config_get_sas_device_pg0(sc, &mpi_reply, &config_page,
693	     MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
694		printf("%s: error reading SAS device page0\n", __func__);
695		error = ENXIO;
696		goto out;
697	}
698
699	device_info = le32toh(config_page.DeviceInfo);
700
701	if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0)
702	    && (le16toh(config_page.ParentDevHandle) != 0)) {
703		Mpi2ConfigReply_t tmp_mpi_reply;
704		Mpi2SasDevicePage0_t parent_config_page;
705
706		if ((mpr_config_get_sas_device_pg0(sc, &tmp_mpi_reply,
707		     &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
708		     le16toh(config_page.ParentDevHandle)))) {
709			printf("%s: error reading SAS device %#x page0\n",
710			    __func__, le16toh(config_page.ParentDevHandle));
711		} else {
712			parent_sas_address = parent_config_page.SASAddress.High;
713			parent_sas_address = (parent_sas_address << 32) |
714			    parent_config_page.SASAddress.Low;
715			parent_devinfo = le32toh(parent_config_page.DeviceInfo);
716		}
717	}
718	/* TODO Check proper endianess */
719	sas_address = config_page.SASAddress.High;
720	sas_address = (sas_address << 32) |
721	    config_page.SASAddress.Low;
722
723	if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE)
724	    == MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
725		if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) {
726			ret = mprsas_get_sas_address_for_sata_disk(sc,
727			    &sata_sas_address, handle, device_info);
728			if (!ret)
729				id = mpr_mapping_get_sas_id(sc,
730				    sata_sas_address, handle);
731			else
732				id = mpr_mapping_get_sas_id(sc,
733				    sas_address, handle);
734		} else
735			id = mpr_mapping_get_sas_id(sc, sas_address,
736			    handle);
737	} else
738		id = mpr_mapping_get_sas_id(sc, sas_address, handle);
739
740	if (id == MPR_MAP_BAD_ID) {
741		printf("failure at %s:%d/%s()! Could not get ID for device "
742		    "with handle 0x%04x\n", __FILE__, __LINE__, __func__,
743		    handle);
744		error = ENXIO;
745		goto out;
746	}
747
748	if (mprsas_check_id(sassc, id) != 0) {
749		device_printf(sc->mpr_dev, "Excluding target id %d\n", id);
750		error = ENXIO;
751		goto out;
752	}
753
754	mpr_dprint(sc, MPR_MAPPING, "SAS Address from SAS device page0 = %jx\n",
755	    sas_address);
756	targ = &sassc->targets[id];
757	targ->devinfo = device_info;
758	targ->devname = le32toh(config_page.DeviceName.High);
759	targ->devname = (targ->devname << 32) |
760	    le32toh(config_page.DeviceName.Low);
761	targ->encl_handle = le16toh(config_page.EnclosureHandle);
762	targ->encl_slot = le16toh(config_page.Slot);
763	targ->encl_level = config_page.EnclosureLevel;
764	targ->connector_name[0] = config_page.ConnectorName[0];
765	targ->connector_name[1] = config_page.ConnectorName[1];
766	targ->connector_name[2] = config_page.ConnectorName[2];
767	targ->connector_name[3] = config_page.ConnectorName[3];
768	targ->handle = handle;
769	targ->parent_handle = le16toh(config_page.ParentDevHandle);
770	targ->sasaddr = mpr_to_u64(&config_page.SASAddress);
771	targ->parent_sasaddr = le64toh(parent_sas_address);
772	targ->parent_devinfo = parent_devinfo;
773	targ->tid = id;
774	targ->linkrate = (linkrate>>4);
775	targ->flags = 0;
776	if (le16toh(config_page.Flags) &
777	    MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE) {
778		targ->scsi_req_desc_type =
779		    MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
780	}
781	if (le16toh(config_page.Flags) &
782	    MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
783		targ->encl_level_valid = TRUE;
784	}
785	TAILQ_INIT(&targ->commands);
786	TAILQ_INIT(&targ->timedout_commands);
787	while (!SLIST_EMPTY(&targ->luns)) {
788		lun = SLIST_FIRST(&targ->luns);
789		SLIST_REMOVE_HEAD(&targ->luns, lun_link);
790		free(lun, M_MPR);
791	}
792	SLIST_INIT(&targ->luns);
793
794	mpr_describe_devinfo(targ->devinfo, devstring, 80);
795	mpr_dprint(sc, (MPR_XINFO|MPR_MAPPING), "Found device <%s> <%s> "
796	    "handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
797	    mpr_describe_table(mpr_linkrate_names, targ->linkrate),
798	    targ->handle, targ->encl_handle, targ->encl_slot);
799	if (targ->encl_level_valid) {
800		mpr_dprint(sc, (MPR_XINFO|MPR_MAPPING), "At enclosure level %d "
801		    "and connector name (%4s)\n", targ->encl_level,
802		    targ->connector_name);
803	}
804#if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
805    (__FreeBSD_version < 902502)
806	if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
807#endif
808		mprsas_rescan_target(sc, targ);
809	mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
810out:
811	mprsas_startup_decrement(sassc);
812	return (error);
813
814}
815
816int
817mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
818    u64 *sas_address, u16 handle, u32 device_info)
819{
820	Mpi2SataPassthroughReply_t mpi_reply;
821	int i, rc, try_count;
822	u32 *bufferptr;
823	union _sata_sas_address hash_address;
824	struct _ata_identify_device_data ata_identify;
825	u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN];
826	u32 ioc_status;
827	u8 sas_status;
828
829	memset(&ata_identify, 0, sizeof(ata_identify));
830	try_count = 0;
831	do {
832		rc = mprsas_get_sata_identify(sc, handle, &mpi_reply,
833		    (char *)&ata_identify, sizeof(ata_identify), device_info);
834		try_count++;
835		ioc_status = le16toh(mpi_reply.IOCStatus)
836		    & MPI2_IOCSTATUS_MASK;
837		sas_status = mpi_reply.SASStatus;
838	} while ((rc == -EAGAIN || ioc_status || sas_status) &&
839	    (try_count < 5));
840
841	if (rc == 0 && !ioc_status && !sas_status) {
842		mpr_dprint(sc, MPR_MAPPING, "%s: got SATA identify "
843		    "successfully for handle = 0x%x with try_count = %d\n",
844		    __func__, handle, try_count);
845	} else {
846		mpr_dprint(sc, MPR_MAPPING, "%s: handle = 0x%x failed\n",
847		    __func__, handle);
848		return -1;
849	}
850	/* Copy & byteswap the 40 byte model number to a buffer */
851	for (i = 0; i < MPT2SAS_MN_LEN; i += 2) {
852		buffer[i] = ((u8 *)ata_identify.model_number)[i + 1];
853		buffer[i + 1] = ((u8 *)ata_identify.model_number)[i];
854	}
855	/* Copy & byteswap the 20 byte serial number to a buffer */
856	for (i = 0; i < MPT2SAS_SN_LEN; i += 2) {
857		buffer[MPT2SAS_MN_LEN + i] =
858		    ((u8 *)ata_identify.serial_number)[i + 1];
859		buffer[MPT2SAS_MN_LEN + i + 1] =
860		    ((u8 *)ata_identify.serial_number)[i];
861	}
862	bufferptr = (u32 *)buffer;
863	/* There are 60 bytes to hash down to 8. 60 isn't divisible by 8,
864	 * so loop through the first 56 bytes (7*8),
865	 * and then add in the last dword.
866	 */
867	hash_address.word.low  = 0;
868	hash_address.word.high = 0;
869	for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) {
870		hash_address.word.low += *bufferptr;
871		bufferptr++;
872		hash_address.word.high += *bufferptr;
873		bufferptr++;
874	}
875	/* Add the last dword */
876	hash_address.word.low += *bufferptr;
877	/* Make sure the hash doesn't start with 5, because it could clash
878	 * with a SAS address. Change 5 to a D.
879	 */
880	if ((hash_address.word.high & 0x000000F0) == (0x00000050))
881		hash_address.word.high |= 0x00000080;
882	*sas_address = (u64)hash_address.wwid[0] << 56 |
883	    (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 |
884	    (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 |
885	    (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] <<  8 |
886	    (u64)hash_address.wwid[7];
887	return 0;
888}
889
890static int
891mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
892    Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo)
893{
894	Mpi2SataPassthroughRequest_t *mpi_request;
895	Mpi2SataPassthroughReply_t *reply;
896	struct mpr_command *cm;
897	char *buffer;
898	int error = 0;
899
900	buffer = malloc( sz, M_MPR, M_NOWAIT | M_ZERO);
901	if (!buffer)
902		return ENOMEM;
903
904	if ((cm = mpr_alloc_command(sc)) == NULL) {
905		free(buffer, M_MPR);
906		return (EBUSY);
907	}
908	mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req;
909	bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST));
910	mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH;
911	mpi_request->VF_ID = 0;
912	mpi_request->DevHandle = htole16(handle);
913	mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO |
914	    MPI2_SATA_PT_REQ_PT_FLAGS_READ);
915	mpi_request->DataLength = htole32(sz);
916	mpi_request->CommandFIS[0] = 0x27;
917	mpi_request->CommandFIS[1] = 0x80;
918	mpi_request->CommandFIS[2] =  (devinfo &
919	    MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC;
920	cm->cm_sge = &mpi_request->SGL;
921	cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION);
922	cm->cm_flags = MPR_CM_FLAGS_DATAIN;
923	cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
924	cm->cm_data = buffer;
925	cm->cm_length = htole32(sz);
926	error = mpr_wait_command(sc, cm, 60, CAN_SLEEP);
927	reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply;
928	if (error || (reply == NULL)) {
929		/* FIXME */
930		/*
931		 * If the request returns an error then we need to do a diag
932		 * reset
933		 */
934		printf("%s: request for page completed with error %d",
935		    __func__, error);
936		error = ENXIO;
937		goto out;
938	}
939	bcopy(buffer, id_buffer, sz);
940	bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t));
941	if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
942	    MPI2_IOCSTATUS_SUCCESS) {
943		printf("%s: error reading SATA PASSTHRU; iocstatus = 0x%x\n",
944		    __func__, reply->IOCStatus);
945		error = ENXIO;
946		goto out;
947	}
948out:
949	mpr_free_command(sc, cm);
950	free(buffer, M_MPR);
951	return (error);
952}
953
954static int
955mprsas_volume_add(struct mpr_softc *sc, u16 handle)
956{
957	struct mprsas_softc *sassc;
958	struct mprsas_target *targ;
959	u64 wwid;
960	unsigned int id;
961	int error = 0;
962	struct mprsas_lun *lun;
963
964	sassc = sc->sassc;
965	mprsas_startup_increment(sassc);
966	/* wwid is endian safe */
967	mpr_config_get_volume_wwid(sc, handle, &wwid);
968	if (!wwid) {
969		printf("%s: invalid WWID; cannot add volume to mapping table\n",
970		    __func__);
971		error = ENXIO;
972		goto out;
973	}
974
975	id = mpr_mapping_get_raid_id(sc, wwid, handle);
976	if (id == MPR_MAP_BAD_ID) {
977		printf("%s: could not get ID for volume with handle 0x%04x and "
978		    "WWID 0x%016llx\n", __func__, handle,
979		    (unsigned long long)wwid);
980		error = ENXIO;
981		goto out;
982	}
983
984	targ = &sassc->targets[id];
985	targ->tid = id;
986	targ->handle = handle;
987	targ->devname = wwid;
988	TAILQ_INIT(&targ->commands);
989	TAILQ_INIT(&targ->timedout_commands);
990	while (!SLIST_EMPTY(&targ->luns)) {
991		lun = SLIST_FIRST(&targ->luns);
992		SLIST_REMOVE_HEAD(&targ->luns, lun_link);
993		free(lun, M_MPR);
994	}
995	SLIST_INIT(&targ->luns);
996#if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
997    (__FreeBSD_version < 902502)
998	if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
999#endif
1000		mprsas_rescan_target(sc, targ);
1001	mpr_dprint(sc, MPR_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n",
1002	    targ->tid, wwid);
1003out:
1004	mprsas_startup_decrement(sassc);
1005	return (error);
1006}
1007
1008/**
1009 * mprsas_SSU_to_SATA_devices
1010 * @sc: per adapter object
1011 *
1012 * Looks through the target list and issues a StartStopUnit SCSI command to each
1013 * SATA direct-access device.  This helps to ensure that data corruption is
1014 * avoided when the system is being shut down.  This must be called after the IR
1015 * System Shutdown RAID Action is sent if in IR mode.
1016 *
1017 * Return nothing.
1018 */
1019static void
1020mprsas_SSU_to_SATA_devices(struct mpr_softc *sc)
1021{
1022	struct mprsas_softc *sassc = sc->sassc;
1023	union ccb *ccb;
1024	path_id_t pathid = cam_sim_path(sassc->sim);
1025	target_id_t targetid;
1026	struct mprsas_target *target;
1027	struct mprsas_lun *lun;
1028	char path_str[64];
1029	struct timeval cur_time, start_time;
1030
1031	mpr_lock(sc);
1032
1033	/*
1034	 * For each LUN of each target, issue a StartStopUnit command to stop
1035	 * the device.
1036	 */
1037	sc->SSU_started = TRUE;
1038	sc->SSU_refcount = 0;
1039	for (targetid = 0; targetid < sc->facts->MaxTargets; targetid++) {
1040		target = &sassc->targets[targetid];
1041		if (target->handle == 0x0) {
1042			continue;
1043		}
1044
1045		SLIST_FOREACH(lun, &target->luns, lun_link) {
1046			ccb = xpt_alloc_ccb_nowait();
1047			if (ccb == NULL) {
1048				mpr_unlock(sc);
1049				mpr_dprint(sc, MPR_FAULT, "Unable to alloc "
1050				    "CCB to stop unit.\n");
1051				return;
1052			}
1053
1054			/*
1055			 * The stop_at_shutdown flag will be set if this LUN is
1056			 * a SATA direct-access end device.
1057			 */
1058			if (lun->stop_at_shutdown) {
1059				if (xpt_create_path(&ccb->ccb_h.path,
1060				    xpt_periph, pathid, targetid,
1061				    lun->lun_id) != CAM_REQ_CMP) {
1062					mpr_dprint(sc, MPR_FAULT, "Unable to "
1063					    "create LUN path to stop unit.\n");
1064					xpt_free_ccb(ccb);
1065					mpr_unlock(sc);
1066					return;
1067				}
1068				xpt_path_string(ccb->ccb_h.path, path_str,
1069				    sizeof(path_str));
1070
1071				mpr_dprint(sc, MPR_INFO, "Sending StopUnit: "
1072				    "path %s handle %d\n", path_str,
1073				    target->handle);
1074
1075				/*
1076				 * Issue a START STOP UNIT command for the LUN.
1077				 * Increment the SSU counter to be used to
1078				 * count the number of required replies.
1079				 */
1080				mpr_dprint(sc, MPR_INFO, "Incrementing SSU "
1081				    "count\n");
1082				sc->SSU_refcount++;
1083				ccb->ccb_h.target_id =
1084				    xpt_path_target_id(ccb->ccb_h.path);
1085				ccb->ccb_h.target_lun = lun->lun_id;
1086				ccb->ccb_h.ppriv_ptr1 = sassc;
1087				scsi_start_stop(&ccb->csio,
1088				    /*retries*/0,
1089				    mprsas_stop_unit_done,
1090				    MSG_SIMPLE_Q_TAG,
1091				    /*start*/FALSE,
1092				    /*load/eject*/0,
1093				    /*immediate*/FALSE,
1094				    MPR_SENSE_LEN,
1095				    /*timeout*/10000);
1096				xpt_action(ccb);
1097			}
1098		}
1099	}
1100
1101	mpr_unlock(sc);
1102
1103	/*
1104	 * Wait until all of the SSU commands have completed or time has
1105	 * expired (60 seconds).  pause for 100ms each time through.  If any
1106	 * command times out, the target will be reset in the SCSI command
1107	 * timeout routine.
1108	 */
1109	getmicrotime(&start_time);
1110	while (sc->SSU_refcount) {
1111		pause("mprwait", hz/10);
1112
1113		getmicrotime(&cur_time);
1114		if ((cur_time.tv_sec - start_time.tv_sec) > 60) {
1115			mpr_dprint(sc, MPR_FAULT, "Time has expired waiting "
1116			    "for SSU commands to complete.\n");
1117			break;
1118		}
1119	}
1120}
1121
1122static void
1123mprsas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb)
1124{
1125	struct mprsas_softc *sassc;
1126	char path_str[64];
1127
1128	sassc = (struct mprsas_softc *)done_ccb->ccb_h.ppriv_ptr1;
1129
1130	xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str));
1131	mpr_dprint(sassc->sc, MPR_INFO, "Completing stop unit for %s\n",
1132	    path_str);
1133
1134	if (done_ccb == NULL)
1135		return;
1136
1137	/*
1138	 * Nothing more to do except free the CCB and path.  If the command
1139	 * timed out, an abort reset, then target reset will be issued during
1140	 * the SCSI Command process.
1141	 */
1142	xpt_free_path(done_ccb->ccb_h.path);
1143	xpt_free_ccb(done_ccb);
1144}
1145
1146/**
1147 * mprsas_ir_shutdown - IR shutdown notification
1148 * @sc: per adapter object
1149 *
1150 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
1151 * the host system is shutting down.
1152 *
1153 * Return nothing.
1154 */
1155void
1156mprsas_ir_shutdown(struct mpr_softc *sc)
1157{
1158	u16 volume_mapping_flags;
1159	u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1160	struct dev_mapping_table *mt_entry;
1161	u32 start_idx, end_idx;
1162	unsigned int id, found_volume = 0;
1163	struct mpr_command *cm;
1164	Mpi2RaidActionRequest_t	*action;
1165
1166	mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
1167
1168	/* is IR firmware build loaded? */
1169	if (!sc->ir_firmware)
1170		goto out;
1171
1172	/* are there any volumes?  Look at IR target IDs. */
1173	// TODO-later, this should be looked up in the RAID config structure
1174	// when it is implemented.
1175	volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
1176	    MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1177	if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
1178		start_idx = 0;
1179		if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1180			start_idx = 1;
1181	} else
1182		start_idx = sc->max_devices - sc->max_volumes;
1183	end_idx = start_idx + sc->max_volumes - 1;
1184
1185	for (id = start_idx; id < end_idx; id++) {
1186		mt_entry = &sc->mapping_table[id];
1187		if ((mt_entry->physical_id != 0) &&
1188		    (mt_entry->missing_count == 0)) {
1189			found_volume = 1;
1190			break;
1191		}
1192	}
1193
1194	if (!found_volume)
1195		goto out;
1196
1197	if ((cm = mpr_alloc_command(sc)) == NULL) {
1198		printf("%s: command alloc failed\n", __func__);
1199		goto out;
1200	}
1201
1202	action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
1203	action->Function = MPI2_FUNCTION_RAID_ACTION;
1204	action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
1205	cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1206	mpr_lock(sc);
1207	mpr_wait_command(sc, cm, 5, CAN_SLEEP);
1208	mpr_unlock(sc);
1209
1210	/*
1211	 * Don't check for reply, just leave.
1212	 */
1213	if (cm)
1214		mpr_free_command(sc, cm);
1215
1216out:
1217	mprsas_SSU_to_SATA_devices(sc);
1218}
1219