mpt.h revision 159312
1/* $FreeBSD: head/sys/dev/mpt/mpt.h 159312 2006-06-05 22:25:49Z 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 int mpt_event_handler_t(struct mpt_softc *, request_t *,
181				MSG_EVENT_NOTIFY_REPLY *);
182typedef void mpt_reset_handler_t(struct mpt_softc *, int /*type*/);
183/* XXX Add return value and use for veto? */
184typedef void mpt_shutdown_handler_t(struct mpt_softc *);
185typedef void mpt_detach_handler_t(struct mpt_softc *);
186typedef int mpt_unload_handler_t(struct mpt_personality *);
187
188struct mpt_personality
189{
190	const char		*name;
191	uint32_t		 id;		/* Assigned identifier. */
192	u_int			 use_count;	/* Instances using personality*/
193	mpt_load_handler_t	*load;		/* configure personailty */
194#define MPT_PERS_FIRST_HANDLER(pers) (&(pers)->load)
195	mpt_probe_handler_t	*probe;		/* configure personailty */
196	mpt_attach_handler_t	*attach;	/* initialize device instance */
197	mpt_enable_handler_t	*enable;	/* enable device */
198	mpt_event_handler_t	*event;		/* Handle MPI event. */
199	mpt_reset_handler_t	*reset;		/* Re-init after reset. */
200	mpt_shutdown_handler_t	*shutdown;	/* Shutdown instance. */
201	mpt_detach_handler_t	*detach;	/* release device instance */
202	mpt_unload_handler_t	*unload;	/* Shutdown personality */
203#define MPT_PERS_LAST_HANDLER(pers) (&(pers)->unload)
204};
205
206int mpt_modevent(module_t, int, void *);
207
208/* Maximum supported number of personalities. */
209#define MPT_MAX_PERSONALITIES	(15)
210
211#define MPT_PERSONALITY_DEPEND(name, dep, vmin, vpref, vmax) \
212	MODULE_DEPEND(name, dep, vmin, vpref, vmax)
213
214#define DECLARE_MPT_PERSONALITY(name, order)				  \
215	static moduledata_t name##_mod = {				  \
216		#name, mpt_modevent, &name##_personality		  \
217	};								  \
218	DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, order);	  \
219	MODULE_VERSION(name, 1);					  \
220	MPT_PERSONALITY_DEPEND(name, mpt_core, 1, 1, 1)
221
222/******************************* Bus DMA Support ******************************/
223/* XXX Need to update bus_dmamap_sync to take a range argument. */
224#define bus_dmamap_sync_range(dma_tag, dmamap, offset, len, op)	\
225	bus_dmamap_sync(dma_tag, dmamap, op)
226
227#if __FreeBSD_version >= 501102
228#define mpt_dma_tag_create(mpt, parent_tag, alignment, boundary,	\
229			   lowaddr, highaddr, filter, filterarg,	\
230			   maxsize, nsegments, maxsegsz, flags,		\
231			   dma_tagp)					\
232	bus_dma_tag_create(parent_tag, alignment, boundary,		\
233			   lowaddr, highaddr, filter, filterarg,	\
234			   maxsize, nsegments, maxsegsz, flags,		\
235			   busdma_lock_mutex, &Giant,			\
236			   dma_tagp)
237#else
238#define mpt_dma_tag_create(mpt, parent_tag, alignment, boundary,	\
239			   lowaddr, highaddr, filter, filterarg,	\
240			   maxsize, nsegments, maxsegsz, flags,		\
241			   dma_tagp)					\
242	bus_dma_tag_create(parent_tag, alignment, boundary,		\
243			   lowaddr, highaddr, filter, filterarg,	\
244			   maxsize, nsegments, maxsegsz, flags,		\
245			   dma_tagp)
246#endif
247
248struct mpt_map_info {
249	struct mpt_softc *mpt;
250	int		  error;
251	uint32_t	  phys;
252};
253
254void mpt_map_rquest(void *, bus_dma_segment_t *, int, int);
255
256/**************************** Kernel Thread Support ***************************/
257#if __FreeBSD_version > 500005
258#define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
259	kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
260#else
261#define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
262	kthread_create(func, farg, proc_ptr, fmtstr, arg)
263#endif
264
265/****************************** Timer Facilities ******************************/
266#if __FreeBSD_version > 500000
267#define mpt_callout_init(c)	callout_init(c, /*mpsafe*/0);
268#else
269#define mpt_callout_init(c)	callout_init(c);
270#endif
271
272/********************************** Endianess *********************************/
273static __inline uint64_t
274u64toh(U64 s)
275{
276	uint64_t result;
277
278	result = le32toh(s.Low);
279	result |= ((uint64_t)le32toh(s.High)) << 32;
280	return (result);
281}
282
283/**************************** MPI Transaction State ***************************/
284typedef enum {
285	REQ_STATE_NIL		= 0x00,
286	REQ_STATE_FREE		= 0x01,
287	REQ_STATE_ALLOCATED	= 0x02,
288	REQ_STATE_QUEUED	= 0x04,
289	REQ_STATE_DONE		= 0x08,
290	REQ_STATE_TIMEDOUT	= 0x10,
291	REQ_STATE_NEED_WAKEUP	= 0x20,
292	REQ_STATE_LOCKED	= 0x80,	/* can't be freed */
293	REQ_STATE_MASK		= 0xFF
294} mpt_req_state_t;
295
296struct req_entry {
297	TAILQ_ENTRY(req_entry) links;	/* Pointer to next in list */
298	mpt_req_state_t	state;		/* Request State Information */
299	uint16_t	index;		/* Index of this entry */
300	uint16_t	IOCStatus;	/* Completion status */
301	uint16_t	ResponseCode;	/* TMF Reponse Code */
302	uint16_t	serno;		/* serial number */
303	union ccb      *ccb;		/* CAM request */
304	void	       *req_vbuf;	/* Virtual Address of Entry */
305	void	       *sense_vbuf;	/* Virtual Address of sense data */
306	bus_addr_t	req_pbuf;	/* Physical Address of Entry */
307	bus_addr_t	sense_pbuf;	/* Physical Address of sense data */
308	bus_dmamap_t	dmap;		/* DMA map for data buffers */
309	struct req_entry *chain;	/* for SGE overallocations */
310};
311
312/**************************** MPI Target State Info ***************************/
313
314typedef struct {
315	uint32_t reply_desc;	/* current reply descriptor */
316	uint32_t resid;		/* current data residual */
317	uint32_t bytes_xfered;	/* current relative offset */
318	union ccb *ccb;		/* pointer to currently active ccb */
319	request_t *req;		/* pointer to currently active assist request */
320	int	nxfers;
321	uint32_t tag_id;
322	enum {
323		TGT_STATE_NIL,
324		TGT_STATE_LOADING,
325		TGT_STATE_LOADED,
326		TGT_STATE_IN_CAM,
327                TGT_STATE_SETTING_UP_FOR_DATA,
328                TGT_STATE_MOVING_DATA,
329                TGT_STATE_MOVING_DATA_AND_STATUS,
330                TGT_STATE_SENDING_STATUS
331	} state;
332} mpt_tgt_state_t;
333
334/*
335 * When we get an incoming command it has its own tag which is called the
336 * IoIndex. This is the value we gave that particular command buffer when
337 * we originally assigned it. It's just a number, really. The FC card uses
338 * it as an RX_ID. We can use it to index into mpt->tgt_cmd_ptrs, which
339 * contains pointers the request_t structures related to that IoIndex.
340 *
341 * What *we* do is construct a tag out of the index for the target command
342 * which owns the incoming ATIO plus a rolling sequence number.
343 */
344#define	MPT_MAKE_TAGID(mpt, req, ioindex)	\
345 ((ioindex << 18) | (((mpt->sequence++) & 0x3f) << 12) | (req->index & 0xfff))
346
347#ifdef	INVARIANTS
348#define	MPT_TAG_2_REQ(a, b)		mpt_tag_2_req(a, (uint32_t) b)
349#else
350#define	MPT_TAG_2_REQ(mpt, tag)		mpt->tgt_cmd_ptrs[tag >> 18]
351#endif
352
353#define	MPT_TGT_STATE(mpt, req) ((mpt_tgt_state_t *) \
354    (&((uint8_t *)req->req_vbuf)[MPT_RQSL(mpt) - sizeof (mpt_tgt_state_t)]))
355
356STAILQ_HEAD(mpt_hdr_stailq, ccb_hdr);
357#define	MPT_MAX_LUNS	256
358typedef struct {
359	struct mpt_hdr_stailq	atios;
360	struct mpt_hdr_stailq	inots;
361	int enabled;
362} tgt_resource_t;
363#define	MPT_MAX_ELS	64
364
365/**************************** Handler Registration ****************************/
366/*
367 * Global table of registered reply handlers.  The
368 * handler is indicated by byte 3 of the request
369 * index submitted to the IOC.  This allows the
370 * driver core to perform generic processing without
371 * any knowledge of per-personality behavior.
372 *
373 * MPT_NUM_REPLY_HANDLERS must be a power of 2
374 * to allow the easy generation of a mask.
375 *
376 * The handler offsets used by the core are hard coded
377 * allowing faster code generation when assigning a handler
378 * to a request.  All "personalities" must use the
379 * the handler registration mechanism.
380 *
381 * The IOC handlers that are rarely executed are placed
382 * at the tail of the table to make it more likely that
383 * all commonly executed handlers fit in a single cache
384 * line.
385 */
386#define MPT_NUM_REPLY_HANDLERS		(32)
387#define MPT_REPLY_HANDLER_EVENTS	MPT_CBI_TO_HID(0)
388#define MPT_REPLY_HANDLER_CONFIG	MPT_CBI_TO_HID(MPT_NUM_REPLY_HANDLERS-1)
389#define MPT_REPLY_HANDLER_HANDSHAKE	MPT_CBI_TO_HID(MPT_NUM_REPLY_HANDLERS-2)
390typedef int mpt_reply_handler_t(struct mpt_softc *mpt, request_t *request,
391    uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame);
392typedef union {
393	mpt_reply_handler_t	*reply_handler;
394} mpt_handler_t;
395
396typedef enum {
397	MPT_HANDLER_REPLY,
398	MPT_HANDLER_EVENT,
399	MPT_HANDLER_RESET,
400	MPT_HANDLER_SHUTDOWN
401} mpt_handler_type;
402
403struct mpt_handler_record
404{
405	LIST_ENTRY(mpt_handler_record)	links;
406	mpt_handler_t			handler;
407};
408
409LIST_HEAD(mpt_handler_list, mpt_handler_record);
410
411/*
412 * The handler_id is currently unused but would contain the
413 * handler ID used in the MsgContext field to allow direction
414 * of replies to the handler.  Registrations that don't require
415 * a handler id can pass in NULL for the handler_id.
416 *
417 * Deregistrations for handlers without a handler id should
418 * pass in MPT_HANDLER_ID_NONE.
419 */
420#define MPT_HANDLER_ID_NONE		(0xFFFFFFFF)
421int mpt_register_handler(struct mpt_softc *, mpt_handler_type,
422			 mpt_handler_t, uint32_t *);
423int mpt_deregister_handler(struct mpt_softc *, mpt_handler_type,
424			   mpt_handler_t, uint32_t);
425
426/******************* Per-Controller Instance Data Structures ******************/
427TAILQ_HEAD(req_queue, req_entry);
428
429/* Structure for saving proper values for modifyable PCI config registers */
430struct mpt_pci_cfg {
431	uint16_t Command;
432	uint16_t LatencyTimer_LineSize;
433	uint32_t IO_BAR;
434	uint32_t Mem0_BAR[2];
435	uint32_t Mem1_BAR[2];
436	uint32_t ROM_BAR;
437	uint8_t  IntLine;
438	uint32_t PMCSR;
439};
440
441typedef enum {
442	MPT_RVF_NONE		= 0x0,
443	MPT_RVF_ACTIVE		= 0x1,
444	MPT_RVF_ANNOUNCED	= 0x2,
445	MPT_RVF_UP2DATE		= 0x4,
446	MPT_RVF_REFERENCED	= 0x8,
447	MPT_RVF_WCE_CHANGED	= 0x10
448} mpt_raid_volume_flags;
449
450struct mpt_raid_volume {
451	CONFIG_PAGE_RAID_VOL_0	       *config_page;
452	MPI_RAID_VOL_INDICATOR		sync_progress;
453	mpt_raid_volume_flags		flags;
454	u_int				quiesced_disks;
455};
456
457typedef enum {
458	MPT_RDF_NONE		= 0x00,
459	MPT_RDF_ACTIVE		= 0x01,
460	MPT_RDF_ANNOUNCED	= 0x02,
461	MPT_RDF_UP2DATE		= 0x04,
462	MPT_RDF_REFERENCED	= 0x08,
463	MPT_RDF_QUIESCING	= 0x10,
464	MPT_RDF_QUIESCED	= 0x20
465} mpt_raid_disk_flags;
466
467struct mpt_raid_disk {
468	CONFIG_PAGE_RAID_PHYS_DISK_0	config_page;
469	struct mpt_raid_volume	       *volume;
470	u_int				member_number;
471	u_int				pass_thru_active;
472	mpt_raid_disk_flags		flags;
473};
474
475struct mpt_evtf_record {
476	MSG_EVENT_NOTIFY_REPLY		reply;
477	uint32_t			context;
478	LIST_ENTRY(mpt_evtf_record)	links;
479};
480
481LIST_HEAD(mpt_evtf_list, mpt_evtf_record);
482
483struct mpt_softc {
484	device_t		dev;
485#if __FreeBSD_version < 500000
486	uint32_t		mpt_islocked;
487	int			mpt_splsaved;
488#else
489	struct mtx		mpt_lock;
490	int			mpt_locksetup;
491#endif
492	uint32_t		mpt_pers_mask;
493	uint32_t		: 8,
494		unit		: 8,
495				: 1,
496		twildcard	: 1,
497		tenabled	: 1,
498		role		: 2,	/* none, ini, target, both */
499				: 1,
500		raid_enabled	: 1,
501		raid_mwce_set	: 1,
502		getreqwaiter	: 1,
503		shutdwn_raid    : 1,
504		shutdwn_recovery: 1,
505		outofbeer	: 1,
506		disabled	: 1,
507		is_spi		: 1,
508		is_sas		: 1,
509		is_fc		: 1;
510
511	u_int			verbose;
512
513	/*
514	 * IOC Facts
515	 */
516	uint16_t	mpt_global_credits;
517	uint16_t	request_frame_size;
518	uint8_t		mpt_max_devices;
519	uint8_t		mpt_max_buses;
520	uint8_t		ioc_facts_flags;
521	uint8_t		padding0;
522
523	/*
524	 * Port Facts
525	 * XXX - Add multi-port support!.
526	 */
527	uint16_t	mpt_ini_id;
528	uint16_t	mpt_port_type;
529	uint16_t	mpt_proto_flags;
530	uint16_t	mpt_max_tgtcmds;
531
532	/*
533	 * Device Configuration Information
534	 */
535	union {
536		struct mpt_spi_cfg {
537			CONFIG_PAGE_SCSI_PORT_0		_port_page0;
538			CONFIG_PAGE_SCSI_PORT_1		_port_page1;
539			CONFIG_PAGE_SCSI_PORT_2		_port_page2;
540			CONFIG_PAGE_SCSI_DEVICE_0	_dev_page0[16];
541			CONFIG_PAGE_SCSI_DEVICE_1	_dev_page1[16];
542			uint16_t			_tag_enable;
543			uint16_t			_disc_enable;
544		} spi;
545#define	mpt_port_page0		cfg.spi._port_page0
546#define	mpt_port_page1		cfg.spi._port_page1
547#define	mpt_port_page2		cfg.spi._port_page2
548#define	mpt_dev_page0		cfg.spi._dev_page0
549#define	mpt_dev_page1		cfg.spi._dev_page1
550#define	mpt_tag_enable		cfg.spi._tag_enable
551#define	mpt_disc_enable		cfg.spi._disc_enable
552		struct mpi_fc_cfg {
553			CONFIG_PAGE_FC_PORT_0 _port_page0;
554#define	mpt_fcport_page0	cfg.fc._port_page0
555		} fc;
556	} cfg;
557
558	/* Controller Info for RAID information */
559	CONFIG_PAGE_IOC_2 *	ioc_page2;
560	CONFIG_PAGE_IOC_3 *	ioc_page3;
561
562	/* Raid Data */
563	struct mpt_raid_volume* raid_volumes;
564	struct mpt_raid_disk*	raid_disks;
565	u_int			raid_max_volumes;
566	u_int			raid_max_disks;
567	u_int			raid_page0_len;
568	u_int			raid_wakeup;
569	u_int			raid_rescan;
570	u_int			raid_resync_rate;
571	u_int			raid_mwce_setting;
572	u_int			raid_queue_depth;
573	u_int			raid_nonopt_volumes;
574	struct proc	       *raid_thread;
575	struct callout		raid_timer;
576
577	/*
578	 * PCI Hardware info
579	 */
580	struct resource *	pci_irq;	/* Interrupt map for chip */
581	void *			ih;		/* Interupt handle */
582	struct mpt_pci_cfg	pci_cfg;	/* saved PCI conf registers */
583
584	/*
585	 * DMA Mapping Stuff
586	 */
587	struct resource *	pci_reg;	/* Register map for chip */
588	int			pci_mem_rid;	/* Resource ID */
589	bus_space_tag_t		pci_st;		/* Bus tag for registers */
590	bus_space_handle_t	pci_sh;		/* Bus handle for registers */
591	/* PIO versions of above. */
592	int			pci_pio_rid;
593	struct resource *	pci_pio_reg;
594	bus_space_tag_t		pci_pio_st;
595	bus_space_handle_t	pci_pio_sh;
596
597	bus_dma_tag_t		parent_dmat;	/* DMA tag for parent PCI bus */
598	bus_dma_tag_t		reply_dmat;	/* DMA tag for reply memory */
599	bus_dmamap_t		reply_dmap;	/* DMA map for reply memory */
600	uint8_t		       *reply;		/* KVA of reply memory */
601	bus_addr_t		reply_phys;	/* BusAddr of reply memory */
602
603	bus_dma_tag_t		buffer_dmat;	/* DMA tag for buffers */
604	bus_dma_tag_t		request_dmat;	/* DMA tag for request memroy */
605	bus_dmamap_t		request_dmap;	/* DMA map for request memroy */
606	uint8_t		       *request;	/* KVA of Request memory */
607	bus_addr_t		request_phys;	/* BusAddr of request memory */
608
609	uint32_t		max_seg_cnt;	/* calculated after IOC facts */
610
611	/*
612	 * Hardware management
613	 */
614	u_int			reset_cnt;
615
616	/*
617	 * CAM && Software Management
618	 */
619	request_t	       *request_pool;
620	struct req_queue	request_free_list;
621	struct req_queue	request_pending_list;
622	struct req_queue	request_timeout_list;
623
624
625	struct cam_sim	       *sim;
626	struct cam_path	       *path;
627
628	struct cam_sim	       *phydisk_sim;
629	struct cam_path	       *phydisk_path;
630
631	struct proc	       *recovery_thread;
632	request_t	       *tmf_req;
633
634	/*
635	 * Deferred frame acks due to resource shortage.
636	 */
637	struct mpt_evtf_list	ack_frames;
638
639	/*
640	 * Target Mode Support
641	 */
642	uint32_t		scsi_tgt_handler_id;
643	request_t **		tgt_cmd_ptrs;
644	request_t **		els_cmd_ptrs;	/* FC only */
645
646	/*
647	 * *snork*- this is chosen to be here *just in case* somebody
648	 * forgets to point to it exactly and we index off of trt with
649	 * CAM_LUN_WILDCARD.
650	 */
651	tgt_resource_t		trt_wildcard;	/* wildcard luns */
652	tgt_resource_t		trt[MPT_MAX_LUNS];
653	uint16_t		tgt_cmds_allocated;
654	uint16_t		els_cmds_allocated;	/* FC only */
655
656	uint16_t		timeouts;	/* timeout count */
657	uint16_t		success;	/* successes afer timeout */
658	uint16_t		sequence;	/* Sequence Number */
659	uint16_t		pad3;
660
661
662	/* Paired port in some dual adapters configurations */
663	struct mpt_softc *	mpt2;
664
665	/* FW Image management */
666	uint32_t		fw_image_size;
667	uint8_t		       *fw_image;
668	bus_dma_tag_t		fw_dmat;	/* DMA tag for firmware image */
669	bus_dmamap_t		fw_dmap;	/* DMA map for firmware image */
670	bus_addr_t		fw_phys;	/* BusAddr of firmware image */
671
672	/* Shutdown Event Handler. */
673	eventhandler_tag         eh;
674
675	TAILQ_ENTRY(mpt_softc)	links;
676};
677
678static __inline void mpt_assign_serno(struct mpt_softc *, request_t *);
679
680static __inline void
681mpt_assign_serno(struct mpt_softc *mpt, request_t *req)
682{
683	if ((req->serno = mpt->sequence++) == 0) {
684		req->serno = mpt->sequence++;
685	}
686}
687
688/***************************** Locking Primitives *****************************/
689#if __FreeBSD_version < 500000
690#define	MPT_IFLAGS		INTR_TYPE_CAM
691#define	MPT_LOCK(mpt)		mpt_lockspl(mpt)
692#define	MPT_UNLOCK(mpt)		mpt_unlockspl(mpt)
693#define	MPT_OWNED(mpt)		mpt->mpt_islocked
694#define	MPTLOCK_2_CAMLOCK	MPT_UNLOCK
695#define	CAMLOCK_2_MPTLOCK	MPT_LOCK
696#define	MPT_LOCK_SETUP(mpt)
697#define	MPT_LOCK_DESTROY(mpt)
698
699static __inline void mpt_lockspl(struct mpt_softc *mpt);
700static __inline void mpt_unlockspl(struct mpt_softc *mpt);
701
702static __inline void
703mpt_lockspl(struct mpt_softc *mpt)
704{
705       int s;
706
707       s = splcam();
708       if (mpt->mpt_islocked++ == 0) {
709               mpt->mpt_splsaved = s;
710       } else {
711               splx(s);
712	       panic("Recursed lock with mask: 0x%x\n", s);
713       }
714}
715
716static __inline void
717mpt_unlockspl(struct mpt_softc *mpt)
718{
719       if (mpt->mpt_islocked) {
720               if (--mpt->mpt_islocked == 0) {
721                       splx(mpt->mpt_splsaved);
722               }
723       } else
724	       panic("Negative lock count\n");
725}
726
727static __inline int
728mpt_sleep(struct mpt_softc *mpt, void *ident, int priority,
729	   const char *wmesg, int timo)
730{
731	int saved_cnt;
732	int saved_spl;
733	int error;
734
735	KASSERT(mpt->mpt_islocked <= 1, ("Invalid lock count on tsleep"));
736	saved_cnt = mpt->mpt_islocked;
737	saved_spl = mpt->mpt_splsaved;
738	mpt->mpt_islocked = 0;
739	error = tsleep(ident, priority, wmesg, timo);
740	KASSERT(mpt->mpt_islocked == 0, ("Invalid lock count on wakeup"));
741	mpt->mpt_islocked = saved_cnt;
742	mpt->mpt_splsaved = saved_spl;
743	return (error);
744}
745
746#else
747#ifdef	LOCKING_WORKED_AS_IT_SHOULD
748#error "Shouldn't Be Here!"
749#define	MPT_IFLAGS		INTR_TYPE_CAM | INTR_ENTROPY | INTR_MPSAFE
750#define	MPT_LOCK_SETUP(mpt)						\
751		mtx_init(&mpt->mpt_lock, "mpt", NULL, MTX_DEF);		\
752		mpt->mpt_locksetup = 1
753#define	MPT_LOCK_DESTROY(mpt)						\
754	if (mpt->mpt_locksetup) {					\
755		mtx_destroy(&mpt->mpt_lock);				\
756		mpt->mpt_locksetup = 0;					\
757	}
758
759#define	MPT_LOCK(mpt)		mtx_lock(&(mpt)->mpt_lock)
760#define	MPT_UNLOCK(mpt)		mtx_unlock(&(mpt)->mpt_lock)
761#define	MPT_OWNED(mpt)		mtx_owned(&(mpt)->mpt_lock)
762#define	MPTLOCK_2_CAMLOCK(mpt)	\
763	mtx_unlock(&(mpt)->mpt_lock); mtx_lock(&Giant)
764#define	CAMLOCK_2_MPTLOCK(mpt)	\
765	mtx_unlock(&Giant); mtx_lock(&(mpt)->mpt_lock)
766#define mpt_sleep(mpt, ident, priority, wmesg, timo) \
767	msleep(ident, &(mpt)->mpt_lock, priority, wmesg, timo)
768
769#else
770
771#define	MPT_IFLAGS		INTR_TYPE_CAM | INTR_ENTROPY
772#define	MPT_LOCK_SETUP(mpt)	do { } while (0)
773#define	MPT_LOCK_DESTROY(mpt)	do { } while (0)
774#if	0
775#define	MPT_LOCK(mpt)		\
776	device_printf(mpt->dev, "LOCK %s:%d\n", __FILE__, __LINE__); 	\
777	KASSERT(mpt->mpt_locksetup == 0,				\
778	    ("recursive lock acquire at %s:%d", __FILE__, __LINE__));	\
779	mpt->mpt_locksetup = 1
780#define	MPT_UNLOCK(mpt)		\
781	device_printf(mpt->dev, "UNLK %s:%d\n", __FILE__, __LINE__); 	\
782	KASSERT(mpt->mpt_locksetup == 1,				\
783	    ("release unowned lock at %s:%d", __FILE__, __LINE__));	\
784	mpt->mpt_locksetup = 0
785#else
786#define	MPT_LOCK(mpt)							\
787	KASSERT(mpt->mpt_locksetup == 0,				\
788	    ("recursive lock acquire at %s:%d", __FILE__, __LINE__));	\
789	mpt->mpt_locksetup = 1
790#define	MPT_UNLOCK(mpt)							\
791	KASSERT(mpt->mpt_locksetup == 1,				\
792	    ("release unowned lock at %s:%d", __FILE__, __LINE__));	\
793	mpt->mpt_locksetup = 0
794#endif
795#define	MPT_OWNED(mpt)		mpt->mpt_locksetup
796#define	MPTLOCK_2_CAMLOCK(mpt)	MPT_UNLOCK(mpt)
797#define	CAMLOCK_2_MPTLOCK(mpt)	MPT_LOCK(mpt)
798
799static __inline int
800mpt_sleep(struct mpt_softc *, void *, int, const char *, int);
801
802static __inline int
803mpt_sleep(struct mpt_softc *mpt, void *i, int p, const char *w, int t)
804{
805	int r;
806	MPT_UNLOCK(mpt);
807	r = tsleep(i, p, w, t);
808	MPT_LOCK(mpt);
809	return (r);
810}
811#endif
812#endif
813
814/******************************* Register Access ******************************/
815static __inline void mpt_write(struct mpt_softc *, size_t, uint32_t);
816static __inline uint32_t mpt_read(struct mpt_softc *, int);
817static __inline void mpt_pio_write(struct mpt_softc *, size_t, uint32_t);
818static __inline uint32_t mpt_pio_read(struct mpt_softc *, int);
819
820static __inline void
821mpt_write(struct mpt_softc *mpt, size_t offset, uint32_t val)
822{
823	bus_space_write_4(mpt->pci_st, mpt->pci_sh, offset, val);
824}
825
826static __inline uint32_t
827mpt_read(struct mpt_softc *mpt, int offset)
828{
829	return (bus_space_read_4(mpt->pci_st, mpt->pci_sh, offset));
830}
831
832/*
833 * Some operations (e.g. diagnostic register writes while the ARM proccessor
834 * is disabled), must be performed using "PCI pio" operations.  On non-PCI
835 * busses, these operations likely map to normal register accesses.
836 */
837static __inline void
838mpt_pio_write(struct mpt_softc *mpt, size_t offset, uint32_t val)
839{
840	bus_space_write_4(mpt->pci_pio_st, mpt->pci_pio_sh, offset, val);
841}
842
843static __inline uint32_t
844mpt_pio_read(struct mpt_softc *mpt, int offset)
845{
846	return (bus_space_read_4(mpt->pci_pio_st, mpt->pci_pio_sh, offset));
847}
848/*********************** Reply Frame/Request Management ***********************/
849/* Max MPT Reply we are willing to accept (must be power of 2) */
850#define MPT_REPLY_SIZE   	256
851
852/*
853 * Must be less than 16384 in order for target mode to work
854 */
855#define MPT_MAX_REQUESTS(mpt)	512
856#define MPT_REQUEST_AREA	512
857#define MPT_SENSE_SIZE		32	/* included in MPT_REQUEST_AREA */
858#define MPT_REQ_MEM_SIZE(mpt)	(MPT_MAX_REQUESTS(mpt) * MPT_REQUEST_AREA)
859
860#define MPT_CONTEXT_CB_SHIFT	(16)
861#define MPT_CBI(handle)		(handle >> MPT_CONTEXT_CB_SHIFT)
862#define MPT_CBI_TO_HID(cbi)	((cbi) << MPT_CONTEXT_CB_SHIFT)
863#define MPT_CONTEXT_TO_CBI(x)	\
864    (((x) >> MPT_CONTEXT_CB_SHIFT) & (MPT_NUM_REPLY_HANDLERS - 1))
865#define MPT_CONTEXT_REQI_MASK	0xFFFF
866#define MPT_CONTEXT_TO_REQI(x)	((x) & MPT_CONTEXT_REQI_MASK)
867
868/*
869 * Convert a 32bit physical address returned from IOC to an
870 * offset into our reply frame memory or the kvm address needed
871 * to access the data.  The returned address is only the low
872 * 32 bits, so mask our base physical address accordingly.
873 */
874#define MPT_REPLY_BADDR(x)		\
875	(x << 1)
876#define MPT_REPLY_OTOV(m, i) 		\
877	((void *)(&m->reply[i]))
878
879#define	MPT_DUMP_REPLY_FRAME(mpt, reply_frame)		\
880do {							\
881	if (mpt->verbose > MPT_PRT_DEBUG)		\
882		mpt_dump_reply_frame(mpt, reply_frame);	\
883} while(0)
884
885static __inline uint32_t mpt_pop_reply_queue(struct mpt_softc *mpt);
886static __inline void mpt_free_reply(struct mpt_softc *mpt, uint32_t ptr);
887
888/*
889 * Give the reply buffer back to the IOC after we have
890 * finished processing it.
891 */
892static __inline void
893mpt_free_reply(struct mpt_softc *mpt, uint32_t ptr)
894{
895     mpt_write(mpt, MPT_OFFSET_REPLY_Q, ptr);
896}
897
898/* Get a reply from the IOC */
899static __inline uint32_t
900mpt_pop_reply_queue(struct mpt_softc *mpt)
901{
902     return mpt_read(mpt, MPT_OFFSET_REPLY_Q);
903}
904
905void
906mpt_complete_request_chain(struct mpt_softc *, struct req_queue *, u_int);
907
908/************************** Scatter Gather Managment **************************/
909/* MPT_RQSL- size of request frame, in bytes */
910#define	MPT_RQSL(mpt)		(mpt->request_frame_size << 2)
911
912/* MPT_NSGL- how many SG entries can fit in a request frame size */
913#define	MPT_NSGL(mpt)		(MPT_RQSL(mpt) / sizeof (SGE_IO_UNION))
914
915/* MPT_NRFM- how many request frames can fit in each request alloc we make */
916#define	MPT_NRFM(mpt)		(MPT_REQUEST_AREA / MPT_RQSL(mpt))
917
918/*
919 * MPT_NSGL_FIRST- # of SG elements that can fit after
920 * an I/O request but still within the request frame.
921 * Do this safely based upon SGE_IO_UNION.
922 *
923 * Note that the first element is *within* the SCSI request.
924 */
925#define	MPT_NSGL_FIRST(mpt)	\
926    ((MPT_RQSL(mpt) - sizeof (MSG_SCSI_IO_REQUEST) + sizeof (SGE_IO_UNION)) / \
927    sizeof (SGE_IO_UNION))
928
929/***************************** IOC Initialization *****************************/
930int mpt_reset(struct mpt_softc *, int /*reinit*/);
931
932/****************************** Debugging ************************************/
933typedef struct mpt_decode_entry {
934	char    *name;
935	u_int	 value;
936	u_int	 mask;
937} mpt_decode_entry_t;
938
939int mpt_decode_value(mpt_decode_entry_t *table, u_int num_entries,
940		     const char *name, u_int value, u_int *cur_column,
941		     u_int wrap_point);
942
943void mpt_dump_request(struct mpt_softc *, request_t *);
944
945enum {
946	MPT_PRT_ALWAYS,
947	MPT_PRT_FATAL,
948	MPT_PRT_ERROR,
949	MPT_PRT_WARN,
950	MPT_PRT_INFO,
951	MPT_PRT_NEGOTIATION,
952	MPT_PRT_DEBUG,
953	MPT_PRT_DEBUG1,
954	MPT_PRT_DEBUG2,
955	MPT_PRT_DEBUG3,
956	MPT_PRT_TRACE,
957	MPT_PRT_NONE=100
958};
959
960#if __FreeBSD_version > 500000
961#define mpt_lprt(mpt, level, ...)		\
962do {						\
963	if (level <= (mpt)->verbose)		\
964		mpt_prt(mpt, __VA_ARGS__);	\
965} while (0)
966
967#define mpt_lprtc(mpt, level, ...)		 \
968do {						 \
969	if (level <= (mpt)->debug_level)	 \
970		mpt_prtc(mpt, __VA_ARGS__);	 \
971} while (0)
972#else
973void mpt_lprt(struct mpt_softc *, int, const char *, ...)
974	__printflike(3, 4);
975void mpt_lprtc(struct mpt_softc *, int, const char *, ...)
976	__printflike(3, 4);
977#endif
978void mpt_prt(struct mpt_softc *, const char *, ...)
979	__printflike(2, 3);
980void mpt_prtc(struct mpt_softc *, const char *, ...)
981	__printflike(2, 3);
982
983/**************************** Target Mode Related ***************************/
984static __inline int mpt_cdblen(uint8_t, int);
985static __inline int
986mpt_cdblen(uint8_t cdb0, int maxlen)
987{
988	int group = cdb0 >> 5;
989	switch (group) {
990	case 0:
991		return (6);
992	case 1:
993		return (10);
994	case 4:
995	case 5:
996		return (12);
997	default:
998		return (16);
999	}
1000}
1001#ifdef	INVARIANTS
1002static __inline request_t * mpt_tag_2_req(struct mpt_softc *, uint32_t);
1003static __inline request_t *
1004mpt_tag_2_req(struct mpt_softc *mpt, uint32_t tag)
1005{
1006	uint16_t rtg = (tag >> 18);
1007	KASSERT(rtg < mpt->tgt_cmds_allocated, ("bad tag %d\n", tag));
1008	KASSERT(mpt->tgt_cmd_ptrs, ("no cmd backpointer array"));
1009	KASSERT(mpt->tgt_cmd_ptrs[rtg], ("no cmd backpointer"));
1010	return (mpt->tgt_cmd_ptrs[rtg]);
1011}
1012
1013
1014static __inline int
1015mpt_req_on_free_list(struct mpt_softc *, request_t *);
1016static __inline int
1017mpt_req_on_pending_list(struct mpt_softc *, request_t *);
1018
1019static __inline void
1020mpt_req_spcl(struct mpt_softc *, request_t *, const char *, int);
1021static __inline void
1022mpt_req_not_spcl(struct mpt_softc *, request_t *, const char *, int);
1023
1024
1025/*
1026 * Is request on freelist?
1027 */
1028static __inline int
1029mpt_req_on_free_list(struct mpt_softc *mpt, request_t *req)
1030{
1031	request_t *lrq;
1032
1033	TAILQ_FOREACH(lrq, &mpt->request_free_list, links) {
1034		if (lrq == req) {
1035			return (1);
1036		}
1037	}
1038	return (0);
1039}
1040
1041/*
1042 * Is request on pending list?
1043 */
1044static __inline int
1045mpt_req_on_pending_list(struct mpt_softc *mpt, request_t *req)
1046{
1047	request_t *lrq;
1048
1049	TAILQ_FOREACH(lrq, &mpt->request_pending_list, links) {
1050		if (lrq == req) {
1051			return (1);
1052		}
1053	}
1054	return (0);
1055}
1056
1057/*
1058 * Make sure that req *is* part of one of the special lists
1059 */
1060static __inline void
1061mpt_req_spcl(struct mpt_softc *mpt, request_t *req, const char *s, int line)
1062{
1063	int i;
1064	for (i = 0; i < mpt->els_cmds_allocated; i++) {
1065		if (req == mpt->els_cmd_ptrs[i]) {
1066			return;
1067		}
1068	}
1069	for (i = 0; i < mpt->tgt_cmds_allocated; i++) {
1070		if (req == mpt->tgt_cmd_ptrs[i]) {
1071			return;
1072		}
1073	}
1074	panic("%s(%d): req %p:%u function %x not in els or tgt ptrs\n",
1075	    s, line, req, req->serno,
1076	    ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function);
1077}
1078
1079/*
1080 * Make sure that req is *not* part of one of the special lists.
1081 */
1082static __inline void
1083mpt_req_not_spcl(struct mpt_softc *mpt, request_t *req, const char *s, int line)
1084{
1085	int i;
1086	for (i = 0; i < mpt->els_cmds_allocated; i++) {
1087		KASSERT(req != mpt->els_cmd_ptrs[i],
1088		    ("%s(%d): req %p:%u func %x in els ptrs at ioindex %d\n",
1089		    s, line, req, req->serno,
1090		    ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function, i));
1091	}
1092	for (i = 0; i < mpt->tgt_cmds_allocated; i++) {
1093		KASSERT(req != mpt->tgt_cmd_ptrs[i],
1094		    ("%s(%d): req %p:%u func %x in tgt ptrs at ioindex %d\n",
1095		    s, line, req, req->serno,
1096		    ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function, i));
1097	}
1098}
1099#endif
1100
1101typedef enum {
1102	MPT_ABORT_TASK_SET=1234,
1103	MPT_CLEAR_TASK_SET,
1104	MPT_TARGET_RESET,
1105	MPT_CLEAR_ACA,
1106	MPT_TERMINATE_TASK,
1107	MPT_NIL_TMT_VALUE=5678
1108} mpt_task_mgmt_t;
1109
1110/**************************** Unclassified Routines ***************************/
1111void		mpt_send_cmd(struct mpt_softc *mpt, request_t *req);
1112int		mpt_recv_handshake_reply(struct mpt_softc *mpt,
1113					 size_t reply_len, void *reply);
1114int		mpt_wait_req(struct mpt_softc *mpt, request_t *req,
1115			     mpt_req_state_t state, mpt_req_state_t mask,
1116			     int sleep_ok, int time_ms);
1117void		mpt_enable_ints(struct mpt_softc *mpt);
1118void		mpt_disable_ints(struct mpt_softc *mpt);
1119int		mpt_attach(struct mpt_softc *mpt);
1120int		mpt_shutdown(struct mpt_softc *mpt);
1121int		mpt_detach(struct mpt_softc *mpt);
1122int		mpt_send_handshake_cmd(struct mpt_softc *mpt,
1123				       size_t len, void *cmd);
1124request_t *	mpt_get_request(struct mpt_softc *mpt, int sleep_ok);
1125void		mpt_free_request(struct mpt_softc *mpt, request_t *req);
1126void		mpt_intr(void *arg);
1127void		mpt_check_doorbell(struct mpt_softc *mpt);
1128void		mpt_dump_reply_frame(struct mpt_softc *mpt,
1129				     MSG_DEFAULT_REPLY *reply_frame);
1130
1131void		mpt_set_config_regs(struct mpt_softc *);
1132int		mpt_issue_cfg_req(struct mpt_softc */*mpt*/, request_t */*req*/,
1133				  u_int /*Action*/, u_int /*PageVersion*/,
1134				  u_int /*PageLength*/, u_int /*PageNumber*/,
1135				  u_int /*PageType*/, uint32_t /*PageAddress*/,
1136				  bus_addr_t /*addr*/, bus_size_t/*len*/,
1137				  int /*sleep_ok*/, int /*timeout_ms*/);
1138int		mpt_read_cfg_header(struct mpt_softc *, int /*PageType*/,
1139				    int /*PageNumber*/,
1140				    uint32_t /*PageAddress*/,
1141				    CONFIG_PAGE_HEADER *,
1142				    int /*sleep_ok*/, int /*timeout_ms*/);
1143int		mpt_read_cfg_page(struct mpt_softc *t, int /*Action*/,
1144				  uint32_t /*PageAddress*/,
1145				  CONFIG_PAGE_HEADER *, size_t /*len*/,
1146				  int /*sleep_ok*/, int /*timeout_ms*/);
1147int		mpt_write_cfg_page(struct mpt_softc *, int /*Action*/,
1148				   uint32_t /*PageAddress*/,
1149				   CONFIG_PAGE_HEADER *, size_t /*len*/,
1150				   int /*sleep_ok*/, int /*timeout_ms*/);
1151static __inline int
1152mpt_read_cur_cfg_page(struct mpt_softc *mpt, uint32_t PageAddress,
1153		      CONFIG_PAGE_HEADER *hdr, size_t len,
1154		      int sleep_ok, int timeout_ms)
1155{
1156	return (mpt_read_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT,
1157				  PageAddress, hdr, len, sleep_ok, timeout_ms));
1158}
1159
1160static __inline int
1161mpt_write_cur_cfg_page(struct mpt_softc *mpt, uint32_t PageAddress,
1162		       CONFIG_PAGE_HEADER *hdr, size_t len, int sleep_ok,
1163		       int timeout_ms)
1164{
1165	return (mpt_write_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT,
1166				   PageAddress, hdr, len, sleep_ok,
1167				   timeout_ms));
1168}
1169
1170/* mpt_debug.c functions */
1171void mpt_print_reply(void *vmsg);
1172void mpt_print_db(uint32_t mb);
1173void mpt_print_config_reply(void *vmsg);
1174char *mpt_ioc_diag(uint32_t diag);
1175void mpt_req_state(mpt_req_state_t state);
1176void mpt_print_config_request(void *vmsg);
1177void mpt_print_request(void *vmsg);
1178void mpt_print_scsi_io_request(MSG_SCSI_IO_REQUEST *msg);
1179void mpt_dump_sgl(SGE_IO_UNION *se, int offset);
1180#endif /* _MPT_H_ */
1181