mpt.h revision 162133
1/* $FreeBSD: head/sys/dev/mpt/mpt.h 162133 2006-09-07 23:08:21Z mjacob $ */
2/*-
3 * Generic defines for LSI '909 FC  adapters.
4 * FreeBSD Version.
5 *
6 * Copyright (c)  2000, 2001 by Greg Ansley
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice immediately at the beginning of the file, without modification,
13 *    this list of conditions, and the following disclaimer.
14 * 2. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29/*-
30 * Copyright (c) 2002, 2006 by Matthew Jacob
31 * All rights reserved.
32 *
33 * Redistribution and use in source and binary forms, with or without
34 * modification, are permitted provided that the following conditions are
35 * met:
36 * 1. Redistributions of source code must retain the above copyright
37 *    notice, this list of conditions and the following disclaimer.
38 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
39 *    substantially similar to the "NO WARRANTY" disclaimer below
40 *    ("Disclaimer") and any redistribution must be conditioned upon including
41 *    a substantially similar Disclaimer requirement for further binary
42 *    redistribution.
43 * 3. Neither the names of the above listed copyright holders nor the names
44 *    of any contributors may be used to endorse or promote products derived
45 *    from this software without specific prior written permission.
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
48 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
51 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
52 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
53 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
54 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
55 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
56 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
57 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
58 *
59 * Support from Chris Ellsworth in order to make SAS adapters work
60 * is gratefully acknowledged.
61 *
62 *
63 * Support from LSI-Logic has also gone a great deal toward making this a
64 * workable subsystem and is gratefully acknowledged.
65 */
66/*
67 * Copyright (c) 2004, Avid Technology, Inc. and its contributors.
68 * Copyright (c) 2004, 2005 Justin T. Gibbs
69 * Copyright (c) 2005, WHEEL Sp. z o.o.
70 * All rights reserved.
71 *
72 * Redistribution and use in source and binary forms, with or without
73 * modification, are permitted provided that the following conditions are
74 * met:
75 * 1. Redistributions of source code must retain the above copyright
76 *    notice, this list of conditions and the following disclaimer.
77 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
78 *    substantially similar to the "NO WARRANTY" disclaimer below
79 *    ("Disclaimer") and any redistribution must be conditioned upon including
80 *    a substantially similar Disclaimer requirement for further binary
81 *    redistribution.
82 * 3. Neither the names of the above listed copyright holders nor the names
83 *    of any contributors may be used to endorse or promote products derived
84 *    from this software without specific prior written permission.
85 *
86 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
87 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
88 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
89 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
90 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
91 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
92 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
93 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
94 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
95 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
96 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
97 */
98
99#ifndef _MPT_H_
100#define _MPT_H_
101
102/********************************* OS Includes ********************************/
103#include <sys/types.h>
104#include <sys/param.h>
105#include <sys/systm.h>
106#include <sys/endian.h>
107#include <sys/eventhandler.h>
108#if __FreeBSD_version < 500000
109#include <sys/kernel.h>
110#include <sys/queue.h>
111#include <sys/malloc.h>
112#else
113#include <sys/lock.h>
114#include <sys/kernel.h>
115#include <sys/queue.h>
116#include <sys/malloc.h>
117#include <sys/mutex.h>
118#include <sys/condvar.h>
119#endif
120#include <sys/proc.h>
121#include <sys/bus.h>
122#include <sys/module.h>
123
124#include <machine/cpu.h>
125#include <machine/resource.h>
126
127#if __FreeBSD_version < 500000
128#include <machine/bus.h>
129#include <machine/clock.h>
130#endif
131
132#include <sys/rman.h>
133
134#if __FreeBSD_version < 500000
135#include <pci/pcireg.h>
136#include <pci/pcivar.h>
137#else
138#include <dev/pci/pcireg.h>
139#include <dev/pci/pcivar.h>
140#endif
141
142#include <machine/bus.h>
143#include "opt_ddb.h"
144
145/**************************** Register Definitions ****************************/
146#include <dev/mpt/mpt_reg.h>
147
148/******************************* MPI Definitions ******************************/
149#include <dev/mpt/mpilib/mpi_type.h>
150#include <dev/mpt/mpilib/mpi.h>
151#include <dev/mpt/mpilib/mpi_cnfg.h>
152#include <dev/mpt/mpilib/mpi_ioc.h>
153#include <dev/mpt/mpilib/mpi_raid.h>
154
155/* XXX For mpt_debug.c */
156#include <dev/mpt/mpilib/mpi_init.h>
157
158/****************************** Misc Definitions ******************************/
159#define MPT_OK (0)
160#define MPT_FAIL (0x10000)
161
162#define NUM_ELEMENTS(array) (sizeof(array) / sizeof(*array))
163
164#define	MPT_ROLE_NONE		0
165#define	MPT_ROLE_INITIATOR	1
166#define	MPT_ROLE_TARGET		2
167#define	MPT_ROLE_BOTH		3
168#define	MPT_ROLE_DEFAULT	MPT_ROLE_INITIATOR
169
170/**************************** Forward Declarations ****************************/
171struct mpt_softc;
172struct mpt_personality;
173typedef struct req_entry request_t;
174
175/************************* Personality Module Support *************************/
176typedef int mpt_load_handler_t(struct mpt_personality *);
177typedef int mpt_probe_handler_t(struct mpt_softc *);
178typedef int mpt_attach_handler_t(struct mpt_softc *);
179typedef int mpt_enable_handler_t(struct mpt_softc *);
180typedef void mpt_ready_handler_t(struct mpt_softc *);
181typedef int mpt_event_handler_t(struct mpt_softc *, request_t *,
182				MSG_EVENT_NOTIFY_REPLY *);
183typedef void mpt_reset_handler_t(struct mpt_softc *, int /*type*/);
184/* XXX Add return value and use for veto? */
185typedef void mpt_shutdown_handler_t(struct mpt_softc *);
186typedef void mpt_detach_handler_t(struct mpt_softc *);
187typedef int mpt_unload_handler_t(struct mpt_personality *);
188
189struct mpt_personality
190{
191	const char		*name;
192	uint32_t		 id;		/* Assigned identifier. */
193	u_int			 use_count;	/* Instances using personality*/
194	mpt_load_handler_t	*load;		/* configure personailty */
195#define MPT_PERS_FIRST_HANDLER(pers) (&(pers)->load)
196	mpt_probe_handler_t	*probe;		/* configure personailty */
197	mpt_attach_handler_t	*attach;	/* initialize device instance */
198	mpt_enable_handler_t	*enable;	/* enable device */
199	mpt_ready_handler_t	*ready;		/* final open for business */
200	mpt_event_handler_t	*event;		/* Handle MPI event. */
201	mpt_reset_handler_t	*reset;		/* Re-init after reset. */
202	mpt_shutdown_handler_t	*shutdown;	/* Shutdown instance. */
203	mpt_detach_handler_t	*detach;	/* release device instance */
204	mpt_unload_handler_t	*unload;	/* Shutdown personality */
205#define MPT_PERS_LAST_HANDLER(pers) (&(pers)->unload)
206};
207
208int mpt_modevent(module_t, int, void *);
209
210/* Maximum supported number of personalities. */
211#define MPT_MAX_PERSONALITIES	(15)
212
213#define MPT_PERSONALITY_DEPEND(name, dep, vmin, vpref, vmax) \
214	MODULE_DEPEND(name, dep, vmin, vpref, vmax)
215
216#define DECLARE_MPT_PERSONALITY(name, order)				  \
217	static moduledata_t name##_mod = {				  \
218		#name, mpt_modevent, &name##_personality		  \
219	};								  \
220	DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, order);	  \
221	MODULE_VERSION(name, 1);					  \
222	MPT_PERSONALITY_DEPEND(name, mpt_core, 1, 1, 1)
223
224/******************************* Bus DMA Support ******************************/
225/* XXX Need to update bus_dmamap_sync to take a range argument. */
226#define bus_dmamap_sync_range(dma_tag, dmamap, offset, len, op)	\
227	bus_dmamap_sync(dma_tag, dmamap, op)
228
229#if __FreeBSD_version >= 501102
230#define mpt_dma_tag_create(mpt, parent_tag, alignment, boundary,	\
231			   lowaddr, highaddr, filter, filterarg,	\
232			   maxsize, nsegments, maxsegsz, flags,		\
233			   dma_tagp)					\
234	bus_dma_tag_create(parent_tag, alignment, boundary,		\
235			   lowaddr, highaddr, filter, filterarg,	\
236			   maxsize, nsegments, maxsegsz, flags,		\
237			   busdma_lock_mutex, &Giant,			\
238			   dma_tagp)
239#else
240#define mpt_dma_tag_create(mpt, parent_tag, alignment, boundary,	\
241			   lowaddr, highaddr, filter, filterarg,	\
242			   maxsize, nsegments, maxsegsz, flags,		\
243			   dma_tagp)					\
244	bus_dma_tag_create(parent_tag, alignment, boundary,		\
245			   lowaddr, highaddr, filter, filterarg,	\
246			   maxsize, nsegments, maxsegsz, flags,		\
247			   dma_tagp)
248#endif
249
250struct mpt_map_info {
251	struct mpt_softc *mpt;
252	int		  error;
253	uint32_t	  phys;
254};
255
256void mpt_map_rquest(void *, bus_dma_segment_t *, int, int);
257
258/**************************** Kernel Thread Support ***************************/
259#if __FreeBSD_version > 500005
260#define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
261	kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
262#else
263#define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
264	kthread_create(func, farg, proc_ptr, fmtstr, arg)
265#endif
266
267/****************************** Timer Facilities ******************************/
268#if __FreeBSD_version > 500000
269#define mpt_callout_init(c)	callout_init(c, /*mpsafe*/0);
270#else
271#define mpt_callout_init(c)	callout_init(c);
272#endif
273
274/********************************** Endianess *********************************/
275static __inline uint64_t
276u64toh(U64 s)
277{
278	uint64_t result;
279
280	result = le32toh(s.Low);
281	result |= ((uint64_t)le32toh(s.High)) << 32;
282	return (result);
283}
284
285/**************************** MPI Transaction State ***************************/
286typedef enum {
287	REQ_STATE_NIL		= 0x00,
288	REQ_STATE_FREE		= 0x01,
289	REQ_STATE_ALLOCATED	= 0x02,
290	REQ_STATE_QUEUED	= 0x04,
291	REQ_STATE_DONE		= 0x08,
292	REQ_STATE_TIMEDOUT	= 0x10,
293	REQ_STATE_NEED_WAKEUP	= 0x20,
294	REQ_STATE_LOCKED	= 0x80,	/* can't be freed */
295	REQ_STATE_MASK		= 0xFF
296} mpt_req_state_t;
297
298struct req_entry {
299	TAILQ_ENTRY(req_entry) links;	/* Pointer to next in list */
300	mpt_req_state_t	state;		/* Request State Information */
301	uint16_t	index;		/* Index of this entry */
302	uint16_t	IOCStatus;	/* Completion status */
303	uint16_t	ResponseCode;	/* TMF Reponse Code */
304	uint16_t	serno;		/* serial number */
305	union ccb      *ccb;		/* CAM request */
306	void	       *req_vbuf;	/* Virtual Address of Entry */
307	void	       *sense_vbuf;	/* Virtual Address of sense data */
308	bus_addr_t	req_pbuf;	/* Physical Address of Entry */
309	bus_addr_t	sense_pbuf;	/* Physical Address of sense data */
310	bus_dmamap_t	dmap;		/* DMA map for data buffers */
311	struct req_entry *chain;	/* for SGE overallocations */
312};
313
314/**************************** MPI Target State Info ***************************/
315
316typedef struct {
317	uint32_t reply_desc;	/* current reply descriptor */
318	uint32_t resid;		/* current data residual */
319	uint32_t bytes_xfered;	/* current relative offset */
320	union ccb *ccb;		/* pointer to currently active ccb */
321	request_t *req;		/* pointer to currently active assist request */
322	uint32_t
323		is_local : 1,
324		nxfers	 : 31;
325	uint32_t tag_id;
326	enum {
327		TGT_STATE_NIL,
328		TGT_STATE_LOADING,
329		TGT_STATE_LOADED,
330		TGT_STATE_IN_CAM,
331                TGT_STATE_SETTING_UP_FOR_DATA,
332                TGT_STATE_MOVING_DATA,
333                TGT_STATE_MOVING_DATA_AND_STATUS,
334                TGT_STATE_SENDING_STATUS
335	} state;
336} mpt_tgt_state_t;
337
338/*
339 * When we get an incoming command it has its own tag which is called the
340 * IoIndex. This is the value we gave that particular command buffer when
341 * we originally assigned it. It's just a number, really. The FC card uses
342 * it as an RX_ID. We can use it to index into mpt->tgt_cmd_ptrs, which
343 * contains pointers the request_t structures related to that IoIndex.
344 *
345 * What *we* do is construct a tag out of the index for the target command
346 * which owns the incoming ATIO plus a rolling sequence number.
347 */
348#define	MPT_MAKE_TAGID(mpt, req, ioindex)	\
349 ((ioindex << 18) | (((mpt->sequence++) & 0x3f) << 12) | (req->index & 0xfff))
350
351#ifdef	INVARIANTS
352#define	MPT_TAG_2_REQ(a, b)		mpt_tag_2_req(a, (uint32_t) b)
353#else
354#define	MPT_TAG_2_REQ(mpt, tag)		mpt->tgt_cmd_ptrs[tag >> 18]
355#endif
356
357#define	MPT_TGT_STATE(mpt, req) ((mpt_tgt_state_t *) \
358    (&((uint8_t *)req->req_vbuf)[MPT_RQSL(mpt) - sizeof (mpt_tgt_state_t)]))
359
360STAILQ_HEAD(mpt_hdr_stailq, ccb_hdr);
361#define	MPT_MAX_LUNS	256
362typedef struct {
363	struct mpt_hdr_stailq	atios;
364	struct mpt_hdr_stailq	inots;
365	int enabled;
366} tgt_resource_t;
367#define	MPT_MAX_ELS	64
368
369/**************************** Handler Registration ****************************/
370/*
371 * Global table of registered reply handlers.  The
372 * handler is indicated by byte 3 of the request
373 * index submitted to the IOC.  This allows the
374 * driver core to perform generic processing without
375 * any knowledge of per-personality behavior.
376 *
377 * MPT_NUM_REPLY_HANDLERS must be a power of 2
378 * to allow the easy generation of a mask.
379 *
380 * The handler offsets used by the core are hard coded
381 * allowing faster code generation when assigning a handler
382 * to a request.  All "personalities" must use the
383 * the handler registration mechanism.
384 *
385 * The IOC handlers that are rarely executed are placed
386 * at the tail of the table to make it more likely that
387 * all commonly executed handlers fit in a single cache
388 * line.
389 */
390#define MPT_NUM_REPLY_HANDLERS		(32)
391#define MPT_REPLY_HANDLER_EVENTS	MPT_CBI_TO_HID(0)
392#define MPT_REPLY_HANDLER_CONFIG	MPT_CBI_TO_HID(MPT_NUM_REPLY_HANDLERS-1)
393#define MPT_REPLY_HANDLER_HANDSHAKE	MPT_CBI_TO_HID(MPT_NUM_REPLY_HANDLERS-2)
394typedef int mpt_reply_handler_t(struct mpt_softc *mpt, request_t *request,
395    uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame);
396typedef union {
397	mpt_reply_handler_t	*reply_handler;
398} mpt_handler_t;
399
400typedef enum {
401	MPT_HANDLER_REPLY,
402	MPT_HANDLER_EVENT,
403	MPT_HANDLER_RESET,
404	MPT_HANDLER_SHUTDOWN
405} mpt_handler_type;
406
407struct mpt_handler_record
408{
409	LIST_ENTRY(mpt_handler_record)	links;
410	mpt_handler_t			handler;
411};
412
413LIST_HEAD(mpt_handler_list, mpt_handler_record);
414
415/*
416 * The handler_id is currently unused but would contain the
417 * handler ID used in the MsgContext field to allow direction
418 * of replies to the handler.  Registrations that don't require
419 * a handler id can pass in NULL for the handler_id.
420 *
421 * Deregistrations for handlers without a handler id should
422 * pass in MPT_HANDLER_ID_NONE.
423 */
424#define MPT_HANDLER_ID_NONE		(0xFFFFFFFF)
425int mpt_register_handler(struct mpt_softc *, mpt_handler_type,
426			 mpt_handler_t, uint32_t *);
427int mpt_deregister_handler(struct mpt_softc *, mpt_handler_type,
428			   mpt_handler_t, uint32_t);
429
430/******************* Per-Controller Instance Data Structures ******************/
431TAILQ_HEAD(req_queue, req_entry);
432
433/* Structure for saving proper values for modifyable PCI config registers */
434struct mpt_pci_cfg {
435	uint16_t Command;
436	uint16_t LatencyTimer_LineSize;
437	uint32_t IO_BAR;
438	uint32_t Mem0_BAR[2];
439	uint32_t Mem1_BAR[2];
440	uint32_t ROM_BAR;
441	uint8_t  IntLine;
442	uint32_t PMCSR;
443};
444
445typedef enum {
446	MPT_RVF_NONE		= 0x0,
447	MPT_RVF_ACTIVE		= 0x1,
448	MPT_RVF_ANNOUNCED	= 0x2,
449	MPT_RVF_UP2DATE		= 0x4,
450	MPT_RVF_REFERENCED	= 0x8,
451	MPT_RVF_WCE_CHANGED	= 0x10
452} mpt_raid_volume_flags;
453
454struct mpt_raid_volume {
455	CONFIG_PAGE_RAID_VOL_0	       *config_page;
456	MPI_RAID_VOL_INDICATOR		sync_progress;
457	mpt_raid_volume_flags		flags;
458	u_int				quiesced_disks;
459};
460
461typedef enum {
462	MPT_RDF_NONE		= 0x00,
463	MPT_RDF_ACTIVE		= 0x01,
464	MPT_RDF_ANNOUNCED	= 0x02,
465	MPT_RDF_UP2DATE		= 0x04,
466	MPT_RDF_REFERENCED	= 0x08,
467	MPT_RDF_QUIESCING	= 0x10,
468	MPT_RDF_QUIESCED	= 0x20
469} mpt_raid_disk_flags;
470
471struct mpt_raid_disk {
472	CONFIG_PAGE_RAID_PHYS_DISK_0	config_page;
473	struct mpt_raid_volume	       *volume;
474	u_int				member_number;
475	u_int				pass_thru_active;
476	mpt_raid_disk_flags		flags;
477};
478
479struct mpt_evtf_record {
480	MSG_EVENT_NOTIFY_REPLY		reply;
481	uint32_t			context;
482	LIST_ENTRY(mpt_evtf_record)	links;
483};
484
485LIST_HEAD(mpt_evtf_list, mpt_evtf_record);
486
487struct mpt_softc {
488	device_t		dev;
489#if __FreeBSD_version < 500000
490	uint32_t		mpt_islocked;
491	int			mpt_splsaved;
492#else
493	struct mtx		mpt_lock;
494	int			mpt_locksetup;
495#endif
496	uint32_t		mpt_pers_mask;
497	uint32_t
498		unit		: 8,
499				: 3,
500		twildcard	: 1,
501		tenabled	: 1,
502		do_cfg_role	: 1,
503		raid_enabled	: 1,
504		raid_mwce_set	: 1,
505		getreqwaiter	: 1,
506		shutdwn_raid    : 1,
507		shutdwn_recovery: 1,
508		outofbeer	: 1,
509		disabled	: 1,
510		is_spi		: 1,
511		is_sas		: 1,
512		is_fc		: 1;
513
514	u_int			cfg_role;
515	u_int			role;	/* role: none, ini, target, both */
516
517	u_int			verbose;
518
519	/*
520	 * IOC Facts
521	 */
522	uint16_t	mpt_global_credits;
523	uint16_t	request_frame_size;
524	uint8_t		mpt_max_devices;
525	uint8_t		mpt_max_buses;
526	uint8_t		ioc_facts_flags;
527	uint8_t		padding0;
528
529	/*
530	 * Port Facts
531	 * XXX - Add multi-port support!.
532	 */
533	uint16_t	mpt_ini_id;
534	uint16_t	mpt_port_type;
535	uint16_t	mpt_proto_flags;
536	uint16_t	mpt_max_tgtcmds;
537
538	/*
539	 * Device Configuration Information
540	 */
541	union {
542		struct mpt_spi_cfg {
543			CONFIG_PAGE_SCSI_PORT_0		_port_page0;
544			CONFIG_PAGE_SCSI_PORT_1		_port_page1;
545			CONFIG_PAGE_SCSI_PORT_2		_port_page2;
546			CONFIG_PAGE_SCSI_DEVICE_0	_dev_page0[16];
547			CONFIG_PAGE_SCSI_DEVICE_1	_dev_page1[16];
548			uint16_t			_tag_enable;
549			uint16_t			_disc_enable;
550		} spi;
551#define	mpt_port_page0		cfg.spi._port_page0
552#define	mpt_port_page1		cfg.spi._port_page1
553#define	mpt_port_page2		cfg.spi._port_page2
554#define	mpt_dev_page0		cfg.spi._dev_page0
555#define	mpt_dev_page1		cfg.spi._dev_page1
556#define	mpt_tag_enable		cfg.spi._tag_enable
557#define	mpt_disc_enable		cfg.spi._disc_enable
558		struct mpi_fc_cfg {
559			CONFIG_PAGE_FC_PORT_0 _port_page0;
560			uint32_t _port_speed;
561#define	mpt_fcport_page0	cfg.fc._port_page0
562#define	mpt_fcport_speed	cfg.fc._port_speed
563		} fc;
564	} cfg;
565#if __FreeBSD_version >= 500000
566	/*
567	 * Device config information stored up for sysctl to access
568	 */
569	union {
570		struct {
571			unsigned int initiator_id;
572		} spi;
573		struct {
574			char wwnn[19];
575			char wwpn[19];
576		} fc;
577	} scinfo;
578#endif
579
580	/* Controller Info for RAID information */
581	CONFIG_PAGE_IOC_2 *	ioc_page2;
582	CONFIG_PAGE_IOC_3 *	ioc_page3;
583
584	/* Raid Data */
585	struct mpt_raid_volume* raid_volumes;
586	struct mpt_raid_disk*	raid_disks;
587	u_int			raid_max_volumes;
588	u_int			raid_max_disks;
589	u_int			raid_page0_len;
590	u_int			raid_wakeup;
591	u_int			raid_rescan;
592	u_int			raid_resync_rate;
593	u_int			raid_mwce_setting;
594	u_int			raid_queue_depth;
595	u_int			raid_nonopt_volumes;
596	struct proc	       *raid_thread;
597	struct callout		raid_timer;
598
599	/*
600	 * PCI Hardware info
601	 */
602	struct resource *	pci_irq;	/* Interrupt map for chip */
603	void *			ih;		/* Interupt handle */
604	struct mpt_pci_cfg	pci_cfg;	/* saved PCI conf registers */
605
606	/*
607	 * DMA Mapping Stuff
608	 */
609	struct resource *	pci_reg;	/* Register map for chip */
610	int			pci_mem_rid;	/* Resource ID */
611	bus_space_tag_t		pci_st;		/* Bus tag for registers */
612	bus_space_handle_t	pci_sh;		/* Bus handle for registers */
613	/* PIO versions of above. */
614	int			pci_pio_rid;
615	struct resource *	pci_pio_reg;
616	bus_space_tag_t		pci_pio_st;
617	bus_space_handle_t	pci_pio_sh;
618
619	bus_dma_tag_t		parent_dmat;	/* DMA tag for parent PCI bus */
620	bus_dma_tag_t		reply_dmat;	/* DMA tag for reply memory */
621	bus_dmamap_t		reply_dmap;	/* DMA map for reply memory */
622	uint8_t		       *reply;		/* KVA of reply memory */
623	bus_addr_t		reply_phys;	/* BusAddr of reply memory */
624
625	bus_dma_tag_t		buffer_dmat;	/* DMA tag for buffers */
626	bus_dma_tag_t		request_dmat;	/* DMA tag for request memroy */
627	bus_dmamap_t		request_dmap;	/* DMA map for request memroy */
628	uint8_t		       *request;	/* KVA of Request memory */
629	bus_addr_t		request_phys;	/* BusAddr of request memory */
630
631	uint32_t		max_seg_cnt;	/* calculated after IOC facts */
632
633	/*
634	 * Hardware management
635	 */
636	u_int			reset_cnt;
637
638	/*
639	 * CAM && Software Management
640	 */
641	request_t	       *request_pool;
642	struct req_queue	request_free_list;
643	struct req_queue	request_pending_list;
644	struct req_queue	request_timeout_list;
645
646
647	struct cam_sim	       *sim;
648	struct cam_path	       *path;
649
650	struct cam_sim	       *phydisk_sim;
651	struct cam_path	       *phydisk_path;
652
653	struct proc	       *recovery_thread;
654	request_t	       *tmf_req;
655
656	/*
657	 * Deferred frame acks due to resource shortage.
658	 */
659	struct mpt_evtf_list	ack_frames;
660
661	/*
662	 * Target Mode Support
663	 */
664	uint32_t		scsi_tgt_handler_id;
665	request_t **		tgt_cmd_ptrs;
666	request_t **		els_cmd_ptrs;	/* FC only */
667
668	/*
669	 * *snork*- this is chosen to be here *just in case* somebody
670	 * forgets to point to it exactly and we index off of trt with
671	 * CAM_LUN_WILDCARD.
672	 */
673	tgt_resource_t		trt_wildcard;		/* wildcard luns */
674	tgt_resource_t		trt[MPT_MAX_LUNS];
675	uint16_t		tgt_cmds_allocated;
676	uint16_t		els_cmds_allocated;	/* FC only */
677
678	uint16_t		timeouts;	/* timeout count */
679	uint16_t		success;	/* successes afer timeout */
680	uint16_t		sequence;	/* Sequence Number */
681	uint16_t		pad3;
682
683
684	/* Paired port in some dual adapters configurations */
685	struct mpt_softc *	mpt2;
686
687	/* FW Image management */
688	uint32_t		fw_image_size;
689	uint8_t		       *fw_image;
690	bus_dma_tag_t		fw_dmat;	/* DMA tag for firmware image */
691	bus_dmamap_t		fw_dmap;	/* DMA map for firmware image */
692	bus_addr_t		fw_phys;	/* BusAddr of firmware image */
693
694	/* Shutdown Event Handler. */
695	eventhandler_tag         eh;
696
697	TAILQ_ENTRY(mpt_softc)	links;
698};
699
700static __inline void mpt_assign_serno(struct mpt_softc *, request_t *);
701
702static __inline void
703mpt_assign_serno(struct mpt_softc *mpt, request_t *req)
704{
705	if ((req->serno = mpt->sequence++) == 0) {
706		req->serno = mpt->sequence++;
707	}
708}
709
710/***************************** Locking Primitives *****************************/
711#if __FreeBSD_version < 500000
712#define	MPT_IFLAGS		INTR_TYPE_CAM
713#define	MPT_LOCK(mpt)		mpt_lockspl(mpt)
714#define	MPT_UNLOCK(mpt)		mpt_unlockspl(mpt)
715#define	MPT_OWNED(mpt)		mpt->mpt_islocked
716#define	MPTLOCK_2_CAMLOCK	MPT_UNLOCK
717#define	CAMLOCK_2_MPTLOCK	MPT_LOCK
718#define	MPT_LOCK_SETUP(mpt)
719#define	MPT_LOCK_DESTROY(mpt)
720
721static __inline void mpt_lockspl(struct mpt_softc *mpt);
722static __inline void mpt_unlockspl(struct mpt_softc *mpt);
723
724static __inline void
725mpt_lockspl(struct mpt_softc *mpt)
726{
727       int s;
728
729       s = splcam();
730       if (mpt->mpt_islocked++ == 0) {
731               mpt->mpt_splsaved = s;
732       } else {
733               splx(s);
734	       panic("Recursed lock with mask: 0x%x\n", s);
735       }
736}
737
738static __inline void
739mpt_unlockspl(struct mpt_softc *mpt)
740{
741       if (mpt->mpt_islocked) {
742               if (--mpt->mpt_islocked == 0) {
743                       splx(mpt->mpt_splsaved);
744               }
745       } else
746	       panic("Negative lock count\n");
747}
748
749static __inline int
750mpt_sleep(struct mpt_softc *mpt, void *ident, int priority,
751	   const char *wmesg, int timo)
752{
753	int saved_cnt;
754	int saved_spl;
755	int error;
756
757	KASSERT(mpt->mpt_islocked <= 1, ("Invalid lock count on tsleep"));
758	saved_cnt = mpt->mpt_islocked;
759	saved_spl = mpt->mpt_splsaved;
760	mpt->mpt_islocked = 0;
761	error = tsleep(ident, priority, wmesg, timo);
762	KASSERT(mpt->mpt_islocked == 0, ("Invalid lock count on wakeup"));
763	mpt->mpt_islocked = saved_cnt;
764	mpt->mpt_splsaved = saved_spl;
765	return (error);
766}
767
768#else
769#ifdef	LOCKING_WORKED_AS_IT_SHOULD
770#error "Shouldn't Be Here!"
771#define	MPT_IFLAGS		INTR_TYPE_CAM | INTR_ENTROPY | INTR_MPSAFE
772#define	MPT_LOCK_SETUP(mpt)						\
773		mtx_init(&mpt->mpt_lock, "mpt", NULL, MTX_DEF);		\
774		mpt->mpt_locksetup = 1
775#define	MPT_LOCK_DESTROY(mpt)						\
776	if (mpt->mpt_locksetup) {					\
777		mtx_destroy(&mpt->mpt_lock);				\
778		mpt->mpt_locksetup = 0;					\
779	}
780
781#define	MPT_LOCK(mpt)		mtx_lock(&(mpt)->mpt_lock)
782#define	MPT_UNLOCK(mpt)		mtx_unlock(&(mpt)->mpt_lock)
783#define	MPT_OWNED(mpt)		mtx_owned(&(mpt)->mpt_lock)
784#define	MPTLOCK_2_CAMLOCK(mpt)	\
785	mtx_unlock(&(mpt)->mpt_lock); mtx_lock(&Giant)
786#define	CAMLOCK_2_MPTLOCK(mpt)	\
787	mtx_unlock(&Giant); mtx_lock(&(mpt)->mpt_lock)
788#define mpt_sleep(mpt, ident, priority, wmesg, timo) \
789	msleep(ident, &(mpt)->mpt_lock, priority, wmesg, timo)
790
791#else
792
793#define	MPT_IFLAGS		INTR_TYPE_CAM | INTR_ENTROPY
794#define	MPT_LOCK_SETUP(mpt)	do { } while (0)
795#define	MPT_LOCK_DESTROY(mpt)	do { } while (0)
796#if	0
797#define	MPT_LOCK(mpt)		\
798	device_printf(mpt->dev, "LOCK %s:%d\n", __FILE__, __LINE__); 	\
799	KASSERT(mpt->mpt_locksetup == 0,				\
800	    ("recursive lock acquire at %s:%d", __FILE__, __LINE__));	\
801	mpt->mpt_locksetup = 1
802#define	MPT_UNLOCK(mpt)		\
803	device_printf(mpt->dev, "UNLK %s:%d\n", __FILE__, __LINE__); 	\
804	KASSERT(mpt->mpt_locksetup == 1,				\
805	    ("release unowned lock at %s:%d", __FILE__, __LINE__));	\
806	mpt->mpt_locksetup = 0
807#else
808#define	MPT_LOCK(mpt)							\
809	KASSERT(mpt->mpt_locksetup == 0,				\
810	    ("recursive lock acquire at %s:%d", __FILE__, __LINE__));	\
811	mpt->mpt_locksetup = 1
812#define	MPT_UNLOCK(mpt)							\
813	KASSERT(mpt->mpt_locksetup == 1,				\
814	    ("release unowned lock at %s:%d", __FILE__, __LINE__));	\
815	mpt->mpt_locksetup = 0
816#endif
817#define	MPT_OWNED(mpt)		mpt->mpt_locksetup
818#define	MPTLOCK_2_CAMLOCK(mpt)	MPT_UNLOCK(mpt)
819#define	CAMLOCK_2_MPTLOCK(mpt)	MPT_LOCK(mpt)
820
821static __inline int
822mpt_sleep(struct mpt_softc *, void *, int, const char *, int);
823
824static __inline int
825mpt_sleep(struct mpt_softc *mpt, void *i, int p, const char *w, int t)
826{
827	int r;
828	MPT_UNLOCK(mpt);
829	r = tsleep(i, p, w, t);
830	MPT_LOCK(mpt);
831	return (r);
832}
833#endif
834#endif
835
836/******************************* Register Access ******************************/
837static __inline void mpt_write(struct mpt_softc *, size_t, uint32_t);
838static __inline uint32_t mpt_read(struct mpt_softc *, int);
839static __inline void mpt_pio_write(struct mpt_softc *, size_t, uint32_t);
840static __inline uint32_t mpt_pio_read(struct mpt_softc *, int);
841
842static __inline void
843mpt_write(struct mpt_softc *mpt, size_t offset, uint32_t val)
844{
845	bus_space_write_4(mpt->pci_st, mpt->pci_sh, offset, val);
846}
847
848static __inline uint32_t
849mpt_read(struct mpt_softc *mpt, int offset)
850{
851	return (bus_space_read_4(mpt->pci_st, mpt->pci_sh, offset));
852}
853
854/*
855 * Some operations (e.g. diagnostic register writes while the ARM proccessor
856 * is disabled), must be performed using "PCI pio" operations.  On non-PCI
857 * busses, these operations likely map to normal register accesses.
858 */
859static __inline void
860mpt_pio_write(struct mpt_softc *mpt, size_t offset, uint32_t val)
861{
862	bus_space_write_4(mpt->pci_pio_st, mpt->pci_pio_sh, offset, val);
863}
864
865static __inline uint32_t
866mpt_pio_read(struct mpt_softc *mpt, int offset)
867{
868	return (bus_space_read_4(mpt->pci_pio_st, mpt->pci_pio_sh, offset));
869}
870/*********************** Reply Frame/Request Management ***********************/
871/* Max MPT Reply we are willing to accept (must be power of 2) */
872#define MPT_REPLY_SIZE   	256
873
874/*
875 * Must be less than 16384 in order for target mode to work
876 */
877#define MPT_MAX_REQUESTS(mpt)	512
878#define MPT_REQUEST_AREA	512
879#define MPT_SENSE_SIZE		32	/* included in MPT_REQUEST_AREA */
880#define MPT_REQ_MEM_SIZE(mpt)	(MPT_MAX_REQUESTS(mpt) * MPT_REQUEST_AREA)
881
882#define MPT_CONTEXT_CB_SHIFT	(16)
883#define MPT_CBI(handle)		(handle >> MPT_CONTEXT_CB_SHIFT)
884#define MPT_CBI_TO_HID(cbi)	((cbi) << MPT_CONTEXT_CB_SHIFT)
885#define MPT_CONTEXT_TO_CBI(x)	\
886    (((x) >> MPT_CONTEXT_CB_SHIFT) & (MPT_NUM_REPLY_HANDLERS - 1))
887#define MPT_CONTEXT_REQI_MASK	0xFFFF
888#define MPT_CONTEXT_TO_REQI(x)	((x) & MPT_CONTEXT_REQI_MASK)
889
890/*
891 * Convert a 32bit physical address returned from IOC to an
892 * offset into our reply frame memory or the kvm address needed
893 * to access the data.  The returned address is only the low
894 * 32 bits, so mask our base physical address accordingly.
895 */
896#define MPT_REPLY_BADDR(x)		\
897	(x << 1)
898#define MPT_REPLY_OTOV(m, i) 		\
899	((void *)(&m->reply[i]))
900
901#define	MPT_DUMP_REPLY_FRAME(mpt, reply_frame)		\
902do {							\
903	if (mpt->verbose > MPT_PRT_DEBUG)		\
904		mpt_dump_reply_frame(mpt, reply_frame);	\
905} while(0)
906
907static __inline uint32_t mpt_pop_reply_queue(struct mpt_softc *mpt);
908static __inline void mpt_free_reply(struct mpt_softc *mpt, uint32_t ptr);
909
910/*
911 * Give the reply buffer back to the IOC after we have
912 * finished processing it.
913 */
914static __inline void
915mpt_free_reply(struct mpt_softc *mpt, uint32_t ptr)
916{
917     mpt_write(mpt, MPT_OFFSET_REPLY_Q, ptr);
918}
919
920/* Get a reply from the IOC */
921static __inline uint32_t
922mpt_pop_reply_queue(struct mpt_softc *mpt)
923{
924     return mpt_read(mpt, MPT_OFFSET_REPLY_Q);
925}
926
927void
928mpt_complete_request_chain(struct mpt_softc *, struct req_queue *, u_int);
929
930/************************** Scatter Gather Managment **************************/
931/* MPT_RQSL- size of request frame, in bytes */
932#define	MPT_RQSL(mpt)		(mpt->request_frame_size << 2)
933
934/* MPT_NSGL- how many SG entries can fit in a request frame size */
935#define	MPT_NSGL(mpt)		(MPT_RQSL(mpt) / sizeof (SGE_IO_UNION))
936
937/* MPT_NRFM- how many request frames can fit in each request alloc we make */
938#define	MPT_NRFM(mpt)		(MPT_REQUEST_AREA / MPT_RQSL(mpt))
939
940/*
941 * MPT_NSGL_FIRST- # of SG elements that can fit after
942 * an I/O request but still within the request frame.
943 * Do this safely based upon SGE_IO_UNION.
944 *
945 * Note that the first element is *within* the SCSI request.
946 */
947#define	MPT_NSGL_FIRST(mpt)	\
948    ((MPT_RQSL(mpt) - sizeof (MSG_SCSI_IO_REQUEST) + sizeof (SGE_IO_UNION)) / \
949    sizeof (SGE_IO_UNION))
950
951/***************************** IOC Initialization *****************************/
952int mpt_reset(struct mpt_softc *, int /*reinit*/);
953
954/****************************** Debugging ************************************/
955typedef struct mpt_decode_entry {
956	char    *name;
957	u_int	 value;
958	u_int	 mask;
959} mpt_decode_entry_t;
960
961int mpt_decode_value(mpt_decode_entry_t *table, u_int num_entries,
962		     const char *name, u_int value, u_int *cur_column,
963		     u_int wrap_point);
964
965void mpt_dump_data(struct mpt_softc *, const char *, void *, int);
966void mpt_dump_request(struct mpt_softc *, request_t *);
967
968enum {
969	MPT_PRT_ALWAYS,
970	MPT_PRT_FATAL,
971	MPT_PRT_ERROR,
972	MPT_PRT_WARN,
973	MPT_PRT_INFO,
974	MPT_PRT_NEGOTIATION,
975	MPT_PRT_DEBUG,
976	MPT_PRT_DEBUG1,
977	MPT_PRT_DEBUG2,
978	MPT_PRT_DEBUG3,
979	MPT_PRT_TRACE,
980	MPT_PRT_NONE=100
981};
982
983#if __FreeBSD_version > 500000
984#define mpt_lprt(mpt, level, ...)		\
985do {						\
986	if (level <= (mpt)->verbose)		\
987		mpt_prt(mpt, __VA_ARGS__);	\
988} while (0)
989
990#define mpt_lprtc(mpt, level, ...)		 \
991do {						 \
992	if (level <= (mpt)->debug_level)	 \
993		mpt_prtc(mpt, __VA_ARGS__);	 \
994} while (0)
995#else
996void mpt_lprt(struct mpt_softc *, int, const char *, ...)
997	__printflike(3, 4);
998void mpt_lprtc(struct mpt_softc *, int, const char *, ...)
999	__printflike(3, 4);
1000#endif
1001void mpt_prt(struct mpt_softc *, const char *, ...)
1002	__printflike(2, 3);
1003void mpt_prtc(struct mpt_softc *, const char *, ...)
1004	__printflike(2, 3);
1005
1006/**************************** Target Mode Related ***************************/
1007static __inline int mpt_cdblen(uint8_t, int);
1008static __inline int
1009mpt_cdblen(uint8_t cdb0, int maxlen)
1010{
1011	int group = cdb0 >> 5;
1012	switch (group) {
1013	case 0:
1014		return (6);
1015	case 1:
1016		return (10);
1017	case 4:
1018	case 5:
1019		return (12);
1020	default:
1021		return (16);
1022	}
1023}
1024#ifdef	INVARIANTS
1025static __inline request_t * mpt_tag_2_req(struct mpt_softc *, uint32_t);
1026static __inline request_t *
1027mpt_tag_2_req(struct mpt_softc *mpt, uint32_t tag)
1028{
1029	uint16_t rtg = (tag >> 18);
1030	KASSERT(rtg < mpt->tgt_cmds_allocated, ("bad tag %d\n", tag));
1031	KASSERT(mpt->tgt_cmd_ptrs, ("no cmd backpointer array"));
1032	KASSERT(mpt->tgt_cmd_ptrs[rtg], ("no cmd backpointer"));
1033	return (mpt->tgt_cmd_ptrs[rtg]);
1034}
1035
1036
1037static __inline int
1038mpt_req_on_free_list(struct mpt_softc *, request_t *);
1039static __inline int
1040mpt_req_on_pending_list(struct mpt_softc *, request_t *);
1041
1042static __inline void
1043mpt_req_spcl(struct mpt_softc *, request_t *, const char *, int);
1044static __inline void
1045mpt_req_not_spcl(struct mpt_softc *, request_t *, const char *, int);
1046
1047
1048/*
1049 * Is request on freelist?
1050 */
1051static __inline int
1052mpt_req_on_free_list(struct mpt_softc *mpt, request_t *req)
1053{
1054	request_t *lrq;
1055
1056	TAILQ_FOREACH(lrq, &mpt->request_free_list, links) {
1057		if (lrq == req) {
1058			return (1);
1059		}
1060	}
1061	return (0);
1062}
1063
1064/*
1065 * Is request on pending list?
1066 */
1067static __inline int
1068mpt_req_on_pending_list(struct mpt_softc *mpt, request_t *req)
1069{
1070	request_t *lrq;
1071
1072	TAILQ_FOREACH(lrq, &mpt->request_pending_list, links) {
1073		if (lrq == req) {
1074			return (1);
1075		}
1076	}
1077	return (0);
1078}
1079
1080/*
1081 * Make sure that req *is* part of one of the special lists
1082 */
1083static __inline void
1084mpt_req_spcl(struct mpt_softc *mpt, request_t *req, const char *s, int line)
1085{
1086	int i;
1087	for (i = 0; i < mpt->els_cmds_allocated; i++) {
1088		if (req == mpt->els_cmd_ptrs[i]) {
1089			return;
1090		}
1091	}
1092	for (i = 0; i < mpt->tgt_cmds_allocated; i++) {
1093		if (req == mpt->tgt_cmd_ptrs[i]) {
1094			return;
1095		}
1096	}
1097	panic("%s(%d): req %p:%u function %x not in els or tgt ptrs\n",
1098	    s, line, req, req->serno,
1099	    ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function);
1100}
1101
1102/*
1103 * Make sure that req is *not* part of one of the special lists.
1104 */
1105static __inline void
1106mpt_req_not_spcl(struct mpt_softc *mpt, request_t *req, const char *s, int line)
1107{
1108	int i;
1109	for (i = 0; i < mpt->els_cmds_allocated; i++) {
1110		KASSERT(req != mpt->els_cmd_ptrs[i],
1111		    ("%s(%d): req %p:%u func %x in els ptrs at ioindex %d\n",
1112		    s, line, req, req->serno,
1113		    ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function, i));
1114	}
1115	for (i = 0; i < mpt->tgt_cmds_allocated; i++) {
1116		KASSERT(req != mpt->tgt_cmd_ptrs[i],
1117		    ("%s(%d): req %p:%u func %x in tgt ptrs at ioindex %d\n",
1118		    s, line, req, req->serno,
1119		    ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function, i));
1120	}
1121}
1122#endif
1123
1124/*
1125 * Task Management Types, purely for internal consumption
1126 */
1127typedef enum {
1128	MPT_ABORT_TASK_SET=1234,
1129	MPT_CLEAR_TASK_SET,
1130	MPT_TARGET_RESET,
1131	MPT_CLEAR_ACA,
1132	MPT_TERMINATE_TASK,
1133	MPT_NIL_TMT_VALUE=5678
1134} mpt_task_mgmt_t;
1135
1136/**************************** Unclassified Routines ***************************/
1137void		mpt_send_cmd(struct mpt_softc *mpt, request_t *req);
1138int		mpt_recv_handshake_reply(struct mpt_softc *mpt,
1139					 size_t reply_len, void *reply);
1140int		mpt_wait_req(struct mpt_softc *mpt, request_t *req,
1141			     mpt_req_state_t state, mpt_req_state_t mask,
1142			     int sleep_ok, int time_ms);
1143void		mpt_enable_ints(struct mpt_softc *mpt);
1144void		mpt_disable_ints(struct mpt_softc *mpt);
1145int		mpt_attach(struct mpt_softc *mpt);
1146int		mpt_shutdown(struct mpt_softc *mpt);
1147int		mpt_detach(struct mpt_softc *mpt);
1148int		mpt_send_handshake_cmd(struct mpt_softc *mpt,
1149				       size_t len, void *cmd);
1150request_t *	mpt_get_request(struct mpt_softc *mpt, int sleep_ok);
1151void		mpt_free_request(struct mpt_softc *mpt, request_t *req);
1152void		mpt_intr(void *arg);
1153void		mpt_check_doorbell(struct mpt_softc *mpt);
1154void		mpt_dump_reply_frame(struct mpt_softc *mpt,
1155				     MSG_DEFAULT_REPLY *reply_frame);
1156
1157void		mpt_set_config_regs(struct mpt_softc *);
1158int		mpt_issue_cfg_req(struct mpt_softc */*mpt*/, request_t */*req*/,
1159				  u_int /*Action*/, u_int /*PageVersion*/,
1160				  u_int /*PageLength*/, u_int /*PageNumber*/,
1161				  u_int /*PageType*/, uint32_t /*PageAddress*/,
1162				  bus_addr_t /*addr*/, bus_size_t/*len*/,
1163				  int /*sleep_ok*/, int /*timeout_ms*/);
1164int		mpt_read_cfg_header(struct mpt_softc *, int /*PageType*/,
1165				    int /*PageNumber*/,
1166				    uint32_t /*PageAddress*/,
1167				    CONFIG_PAGE_HEADER *,
1168				    int /*sleep_ok*/, int /*timeout_ms*/);
1169int		mpt_read_cfg_page(struct mpt_softc *t, int /*Action*/,
1170				  uint32_t /*PageAddress*/,
1171				  CONFIG_PAGE_HEADER *, size_t /*len*/,
1172				  int /*sleep_ok*/, int /*timeout_ms*/);
1173int		mpt_write_cfg_page(struct mpt_softc *, int /*Action*/,
1174				   uint32_t /*PageAddress*/,
1175				   CONFIG_PAGE_HEADER *, size_t /*len*/,
1176				   int /*sleep_ok*/, int /*timeout_ms*/);
1177static __inline int
1178mpt_read_cur_cfg_page(struct mpt_softc *mpt, uint32_t PageAddress,
1179		      CONFIG_PAGE_HEADER *hdr, size_t len,
1180		      int sleep_ok, int timeout_ms)
1181{
1182	return (mpt_read_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT,
1183				  PageAddress, hdr, len, sleep_ok, timeout_ms));
1184}
1185
1186static __inline int
1187mpt_write_cur_cfg_page(struct mpt_softc *mpt, uint32_t PageAddress,
1188		       CONFIG_PAGE_HEADER *hdr, size_t len, int sleep_ok,
1189		       int timeout_ms)
1190{
1191	return (mpt_write_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT,
1192				   PageAddress, hdr, len, sleep_ok,
1193				   timeout_ms));
1194}
1195
1196/* mpt_debug.c functions */
1197void mpt_print_reply(void *vmsg);
1198void mpt_print_db(uint32_t mb);
1199void mpt_print_config_reply(void *vmsg);
1200char *mpt_ioc_diag(uint32_t diag);
1201void mpt_req_state(mpt_req_state_t state);
1202void mpt_print_config_request(void *vmsg);
1203void mpt_print_request(void *vmsg);
1204void mpt_print_scsi_io_request(MSG_SCSI_IO_REQUEST *msg);
1205void mpt_dump_sgl(SGE_IO_UNION *se, int offset);
1206#endif /* _MPT_H_ */
1207