xref: /illumos-gate/usr/src/uts/common/sys/scsi/adapters/mpt_sas/mptsas_var.h (revision 24fe0b3bf671e123467ce1df0b67cadd3614c8e4)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  * Copyright (c) 2000 to 2009, LSI Corporation.
29  * All rights reserved.
30  *
31  * Redistribution and use in source and binary forms of all code within
32  * this file that is exclusively owned by LSI, with or without
33  * modification, is permitted provided that, in addition to the CDDL 1.0
34  * License requirements, the following conditions are met:
35  *
36  *    Neither the name of the author nor the names of its contributors may be
37  *    used to endorse or promote products derived from this software without
38  *    specific prior written permission.
39  *
40  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
41  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
42  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
43  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
44  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
45  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
46  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
47  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
48  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
49  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
50  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
51  * DAMAGE.
52  */
53 
54 #ifndef _SYS_SCSI_ADAPTERS_MPTVAR_H
55 #define	_SYS_SCSI_ADAPTERS_MPTVAR_H
56 
57 #include <sys/byteorder.h>
58 #include <sys/isa_defs.h>
59 #include <sys/sunmdi.h>
60 #include <sys/mdi_impldefs.h>
61 #include <sys/scsi/adapters/mpt_sas/mptsas_ioctl.h>
62 
63 #ifdef	__cplusplus
64 extern "C" {
65 #endif
66 
67 /*
68  * Compile options
69  */
70 #ifdef DEBUG
71 #define	MPTSAS_DEBUG		/* turn on debugging code */
72 #endif	/* DEBUG */
73 
74 #define	MPTSAS_INITIAL_SOFT_SPACE	4
75 
76 #define	MAX_MPI_PORTS		16
77 
78 #define	MPTSAS_MAX_PHYS		8
79 
80 #define	MPTSAS_INVALID_DEVHDL	0xffff
81 
82 /*
83  * MPT HW defines
84  */
85 #define	MPTSAS_MAX_DISKS_IN_CONFIG	14
86 #define	MPTSAS_MAX_DISKS_IN_VOL		10
87 #define	MPTSAS_MAX_HOTSPARES		2
88 #define	MPTSAS_MAX_RAIDVOLS		2
89 #define	MPTSAS_MAX_RAIDCONFIGS		5
90 
91 /*
92  * 64-bit SAS WWN is displayed as 16 characters as HEX characters,
93  * plus one means the end of the string '\0'.
94  */
95 #define	MPTSAS_WWN_STRLEN 16 + 1
96 #define	MPTSAS_MAX_GUID_LEN	64
97 
98 /*
99  * DMA routine flags
100  */
101 #define	MPTSAS_DMA_HANDLE_ALLOCD	0x2
102 #define	MPTSAS_DMA_MEMORY_ALLOCD	0x4
103 #define	MPTSAS_DMA_HANDLE_BOUND	0x8
104 
105 /*
106  * If the HBA supports DMA or bus-mastering, you may have your own
107  * scatter-gather list for physically non-contiguous memory in one
108  * I/O operation; if so, there's probably a size for that list.
109  * It must be placed in the ddi_dma_lim_t structure, so that the system
110  * DMA-support routines can use it to break up the I/O request, so we
111  * define it here.
112  */
113 #if defined(__sparc)
114 #define	MPTSAS_MAX_DMA_SEGS	1
115 #define	MPTSAS_MAX_CMD_SEGS	1
116 #else
117 #define	MPTSAS_MAX_DMA_SEGS	256
118 #define	MPTSAS_MAX_CMD_SEGS	257
119 #endif
120 #define	MPTSAS_MAX_FRAME_SGES(mpt) \
121 	(((mpt->m_req_frame_size - (sizeof (MPI2_SCSI_IO_REQUEST))) / 8) + 1)
122 
123 /*
124  * Caculating how many 64-bit DMA simple elements can be stored in the first
125  * frame. Note that msg_scsi_io_request contains 2 double-words (8 bytes) for
126  * element storage.  And 64-bit dma element is 3 double-words (12 bytes) in
127  * size.
128  */
129 #define	MPTSAS_MAX_FRAME_SGES64(mpt) \
130 	((mpt->m_req_frame_size - \
131 	(sizeof (MPI2_SCSI_IO_REQUEST)) + sizeof (MPI2_SGE_IO_UNION)) / 12)
132 
133 /*
134  * Scatter-gather list structure defined by HBA hardware
135  */
136 typedef	struct NcrTableIndirect {	/* Table Indirect entries */
137 	uint32_t count;		/* 24 bit count */
138 	union {
139 		uint32_t address32;	/* 32 bit address */
140 		struct {
141 			uint32_t Low;
142 			uint32_t High;
143 		} address64;		/* 64 bit address */
144 	} addr;
145 } mptti_t;
146 
147 /*
148  * preferred pkt_private length in 64-bit quantities
149  */
150 #ifdef	_LP64
151 #define	PKT_PRIV_SIZE	2
152 #define	PKT_PRIV_LEN	16	/* in bytes */
153 #else /* _ILP32 */
154 #define	PKT_PRIV_SIZE	1
155 #define	PKT_PRIV_LEN	8	/* in bytes */
156 #endif
157 
158 #define	PKT2CMD(pkt)	((struct mptsas_cmd *)((pkt)->pkt_ha_private))
159 #define	CMD2PKT(cmdp)	((struct scsi_pkt *)((cmdp)->cmd_pkt))
160 #define	EXTCMDS_STATUS_SIZE (sizeof (struct scsi_arq_status))
161 
162 /*
163  * get offset of item in structure
164  */
165 #define	MPTSAS_GET_ITEM_OFF(type, member) ((size_t)(&((type *)0)->member))
166 
167 /*
168  * WWID provided by LSI firmware is generated by firmware but the WWID is not
169  * IEEE NAA standard format, OBP has no chance to distinguish format of unit
170  * address. According LSI's confirmation, the top nibble of RAID WWID is
171  * meanless, so the consensus between Solaris and OBP is to replace top nibble
172  * of WWID provided by LSI to "3" always to hint OBP that this is a RAID WWID
173  * format unit address.
174  */
175 #define	MPTSAS_RAID_WWID(wwid) \
176 	((wwid & 0x0FFFFFFFFFFFFFFF) | 0x3000000000000000)
177 
178 typedef	struct mptsas_target {
179 		uint64_t		m_sas_wwn;	/* hash key1 */
180 		uint8_t			m_phymask;	/* hash key2 */
181 		/*
182 		 * m_dr_flag is a flag for DR, make sure the member
183 		 * take the place of dr_flag of mptsas_hash_data.
184 		 */
185 		uint8_t			m_dr_flag;	/* dr_flag */
186 		uint16_t		m_devhdl;
187 		uint32_t		m_deviceinfo;
188 		uint8_t			m_phynum;
189 		uint32_t		m_dups;
190 		int32_t			m_timeout;
191 		int32_t			m_timebase;
192 		int32_t			m_t_throttle;
193 		int32_t			m_t_ncmds;
194 		int32_t			m_reset_delay;
195 		int32_t			m_t_nwait;
196 
197 		uint16_t		m_qfull_retry_interval;
198 		uint8_t			m_qfull_retries;
199 
200 } mptsas_target_t;
201 
202 typedef struct mptsas_smp {
203 	uint64_t	m_sasaddr;	/* hash key1 */
204 	uint8_t		m_phymask;	/* hash key2 */
205 	uint8_t		reserved1;
206 	uint16_t	m_devhdl;
207 	uint32_t	m_deviceinfo;
208 } mptsas_smp_t;
209 
210 typedef struct mptsas_hash_data {
211 	uint64_t	key1;
212 	uint8_t		key2;
213 	uint8_t		dr_flag;
214 	uint16_t	devhdl;
215 	uint32_t	device_info;
216 } mptsas_hash_data_t;
217 
218 typedef struct mptsas_cache_frames {
219 	ddi_dma_handle_t m_dma_hdl;
220 	ddi_acc_handle_t m_acc_hdl;
221 	caddr_t m_frames_addr;
222 	uint32_t m_phys_addr;
223 } mptsas_cache_frames_t;
224 
225 typedef struct	mptsas_cmd {
226 	uint_t			cmd_flags;	/* flags from scsi_init_pkt */
227 	ddi_dma_handle_t	cmd_dmahandle;	/* dma handle */
228 	ddi_dma_cookie_t	cmd_cookie;
229 	uint_t			cmd_cookiec;
230 	uint_t			cmd_winindex;
231 	uint_t			cmd_nwin;
232 	uint_t			cmd_cur_cookie;
233 	off_t			cmd_dma_offset;
234 	size_t			cmd_dma_len;
235 	uint32_t		cmd_totaldmacount;
236 
237 	ddi_dma_handle_t	cmd_arqhandle;	/* dma arq handle */
238 	ddi_dma_cookie_t	cmd_arqcookie;
239 	struct buf		*cmd_arq_buf;
240 	ddi_dma_handle_t	cmd_ext_arqhandle; /* dma extern arq handle */
241 	ddi_dma_cookie_t	cmd_ext_arqcookie;
242 	struct buf		*cmd_ext_arq_buf;
243 
244 	int			cmd_pkt_flags;
245 
246 	/* timer for command in active slot */
247 	int			cmd_active_timeout;
248 
249 	struct scsi_pkt		*cmd_pkt;
250 	struct scsi_arq_status	cmd_scb;
251 	uchar_t			cmd_cdblen;	/* length of cdb */
252 	uchar_t			cmd_rqslen;	/* len of requested rqsense */
253 	uchar_t			cmd_privlen;
254 	uint_t			cmd_scblen;
255 	uint32_t		cmd_dmacount;
256 	uint64_t		cmd_dma_addr;
257 	uchar_t			cmd_age;
258 	ushort_t		cmd_qfull_retries;
259 	uchar_t			cmd_queued;	/* true if queued */
260 	struct mptsas_cmd	*cmd_linkp;
261 	mptti_t			*cmd_sg; /* Scatter/Gather structure */
262 	uchar_t			cmd_cdb[SCSI_CDB_SIZE];
263 	uint64_t		cmd_pkt_private[PKT_PRIV_LEN];
264 	uint32_t		cmd_slot;
265 	uint32_t		ioc_cmd_slot;
266 
267 	mptsas_cache_frames_t	*cmd_extra_frames;
268 
269 	uint32_t		cmd_rfm;
270 	mptsas_target_t		*cmd_tgt_addr;
271 } mptsas_cmd_t;
272 
273 /*
274  * These are the defined cmd_flags for this structure.
275  */
276 #define	CFLAG_CMDDISC		0x000001 /* cmd currently disconnected */
277 #define	CFLAG_WATCH		0x000002 /* watchdog time for this command */
278 #define	CFLAG_FINISHED		0x000004 /* command completed */
279 #define	CFLAG_CHKSEG		0x000008 /* check cmd_data within seg */
280 #define	CFLAG_COMPLETED		0x000010 /* completion routine called */
281 #define	CFLAG_PREPARED		0x000020 /* pkt has been init'ed */
282 #define	CFLAG_IN_TRANSPORT	0x000040 /* in use by host adapter driver */
283 #define	CFLAG_RESTORE_PTRS	0x000080 /* implicit restore ptr on reconnect */
284 #define	CFLAG_ARQ_IN_PROGRESS	0x000100 /* auto request sense in progress */
285 #define	CFLAG_TRANFLAG		0x0001ff /* covers transport part of flags */
286 #define	CFLAG_TM_CMD		0x000200 /* cmd is a task management command */
287 #define	CFLAG_CMDARQ		0x000400 /* cmd is a 'rqsense' command */
288 #define	CFLAG_DMAVALID		0x000800 /* dma mapping valid */
289 #define	CFLAG_DMASEND		0x001000 /* data is going 'out' */
290 #define	CFLAG_CMDIOPB		0x002000 /* this is an 'iopb' packet */
291 #define	CFLAG_CDBEXTERN		0x004000 /* cdb kmem_alloc'd */
292 #define	CFLAG_SCBEXTERN		0x008000 /* scb kmem_alloc'd */
293 #define	CFLAG_FREE		0x010000 /* packet is on free list */
294 #define	CFLAG_PRIVEXTERN	0x020000 /* target private kmem_alloc'd */
295 #define	CFLAG_DMA_PARTIAL	0x040000 /* partial xfer OK */
296 #define	CFLAG_QFULL_STATUS	0x080000 /* pkt got qfull status */
297 #define	CFLAG_TIMEOUT		0x100000 /* passthru/config command timeout */
298 #define	CFLAG_PMM_RECEIVED	0x200000 /* use cmd_pmm* for saving pointers */
299 #define	CFLAG_RETRY		0x400000 /* cmd has been retried */
300 #define	CFLAG_CMDIOC		0x800000 /* cmd is just for for ioc, no io */
301 #define	CFLAG_EXTARQBUFVALID	0x1000000 /* extern arq buf handle is valid */
302 #define	CFLAG_PASSTHRU		0x2000000 /* cmd is a passthrough command */
303 #define	CFLAG_XARQ		0x4000000 /* cmd requests for extra sense */
304 #define	CFLAG_CMDACK		0x8000000 /* cmd for event ack */
305 #define	CFLAG_TXQ		0x10000000 /* cmd queued in the tx_waitq */
306 #define	CFLAG_FW_CMD		0x20000000 /* cmd is a fw up/down command */
307 #define	CFLAG_CONFIG		0x40000000 /* cmd is for config header/page */
308 
309 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_SIZE			8
310 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_MASK			0xC0
311 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_PERIPHERAL			0x00
312 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_FLAT_SPACE			0x40
313 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT		0x80
314 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_EXTENDED_UNIT		0xC0
315 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_2B		0x00
316 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_4B		0x01
317 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_6B		0x10
318 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_8B		0x20
319 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_SIZE		0x30
320 
321 #define	MPTSAS_HASH_ARRAY_SIZE	16
322 /*
323  * hash table definition
324  */
325 
326 #define	MPTSAS_HASH_FIRST	0xffff
327 #define	MPTSAS_HASH_NEXT	0x0000
328 
329 /*
330  * passthrough request structure
331  */
332 typedef struct mptsas_pt_request {
333 	uint8_t *request;
334 	uint32_t request_size;
335 	uint32_t data_size;
336 	uint32_t dataout_size;
337 	uint32_t direction;
338 	ddi_dma_cookie_t data_cookie;
339 	ddi_dma_cookie_t dataout_cookie;
340 } mptsas_pt_request_t;
341 
342 /*
343  * config page request structure
344  */
345 typedef struct mptsas_config_request {
346 	uint32_t	page_address;
347 	uint8_t		action;
348 	uint8_t		page_type;
349 	uint8_t		page_number;
350 	uint8_t		page_length;
351 	uint8_t		page_version;
352 	uint8_t		ext_page_type;
353 	uint16_t	ext_page_length;
354 } mptsas_config_request_t;
355 
356 typedef struct mptsas_hash_node {
357 	void *data;
358 	struct mptsas_hash_node *next;
359 } mptsas_hash_node_t;
360 
361 typedef struct mptsas_hash_table {
362 	struct mptsas_hash_node *head[MPTSAS_HASH_ARRAY_SIZE];
363 	/*
364 	 * last position in traverse
365 	 */
366 	struct mptsas_hash_node *cur;
367 	uint16_t line;
368 
369 } mptsas_hash_table_t;
370 
371 /*
372  * RAID volume information
373  */
374 typedef struct mptsas_raidvol {
375 	ushort_t	m_israid;
376 	uint16_t	m_raidhandle;
377 	uint64_t	m_raidwwid;
378 	uint8_t		m_state;
379 	uint32_t	m_statusflags;
380 	uint32_t	m_settings;
381 	uint16_t	m_devhdl[MPTSAS_MAX_DISKS_IN_VOL];
382 	uint8_t		m_disknum[MPTSAS_MAX_DISKS_IN_VOL];
383 	ushort_t	m_diskstatus[MPTSAS_MAX_DISKS_IN_VOL];
384 	uint64_t	m_raidsize;
385 	int		m_raidlevel;
386 	int		m_ndisks;
387 	mptsas_target_t	*m_raidtgt;
388 } mptsas_raidvol_t;
389 
390 /*
391  * RAID configurations
392  */
393 typedef struct mptsas_raidconfig {
394 		mptsas_raidvol_t	m_raidvol[MPTSAS_MAX_RAIDVOLS];
395 		uint16_t		m_physdisk_devhdl[
396 					    MPTSAS_MAX_DISKS_IN_CONFIG];
397 		uint8_t			m_native;
398 } m_raidconfig_t;
399 
400 /*
401  * Structure to hold active outstanding cmds.  Also, keep
402  * timeout on a per target basis.
403  */
404 typedef struct mptsas_slots {
405 	mptsas_hash_table_t	m_tgttbl;
406 	mptsas_hash_table_t	m_smptbl;
407 	m_raidconfig_t		m_raidconfig[MPTSAS_MAX_RAIDCONFIGS];
408 	uint8_t			m_num_raid_configs;
409 	uint16_t		m_tags;
410 	uint32_t		m_buffer;
411 	size_t			m_size;
412 	uint16_t		m_n_slots;
413 	mptsas_cmd_t		*m_slot[1];
414 } mptsas_slots_t;
415 
416 /*
417  * Structure to hold command and packets for event ack
418  * and task management commands.
419  */
420 typedef struct  m_event_struct {
421 	struct mptsas_cmd		m_event_cmd;
422 	struct m_event_struct	*m_event_linkp;
423 	/*
424 	 * event member record the failure event and eventcntx
425 	 * event member would be used in send ack pending process
426 	 */
427 	uint32_t		m_event;
428 	uint32_t		m_eventcntx;
429 	uint_t			in_use;
430 	struct scsi_pkt		m_event_pkt;	/* must be last */
431 						/* ... scsi_pkt_size() */
432 } m_event_struct_t;
433 #define	M_EVENT_STRUCT_SIZE	(sizeof (m_event_struct_t) - \
434 				sizeof (struct scsi_pkt) + scsi_pkt_size())
435 
436 #define	MAX_IOC_COMMANDS	8
437 
438 /*
439  * A pool of MAX_IOC_COMMANDS is maintained for event ack commands.
440  * A new event ack command requests mptsas_cmd and scsi_pkt structures
441  * from this pool, and returns it back when done.
442  */
443 
444 typedef struct m_replyh_arg {
445 	void *mpt;
446 	uint32_t rfm;
447 } m_replyh_arg_t;
448 _NOTE(DATA_READABLE_WITHOUT_LOCK(m_replyh_arg_t::mpt))
449 _NOTE(DATA_READABLE_WITHOUT_LOCK(m_replyh_arg_t::rfm))
450 
451 /*
452  * Flags for DR handler topology change
453  */
454 #define	MPTSAS_TOPO_FLAG_DIRECT_ATTACHED_DEVICE		0x0
455 #define	MPTSAS_TOPO_FLAG_EXPANDER_ASSOCIATED		0x1
456 #define	MPTSAS_TOPO_FLAG_LUN_ASSOCIATED			0x2
457 #define	MPTSAS_TOPO_FLAG_RAID_ASSOCIATED		0x4
458 #define	MPTSAS_TOPO_FLAG_RAID_PHYSDRV_ASSOCIATED	0x8
459 #define	MPTSAS_TOPO_FLAG_EXPANDER_ATTACHED_DEVICE	0x10
460 
461 typedef struct mptsas_topo_change_list {
462 	void *mpt;
463 	uint_t  event;
464 	union {
465 		uint8_t physport;
466 		uint8_t phymask;
467 	} un;
468 	uint16_t devhdl;
469 	void *object;
470 	uint8_t flags;
471 	struct mptsas_topo_change_list *next;
472 } mptsas_topo_change_list_t;
473 
474 
475 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::mpt))
476 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::event))
477 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::physport))
478 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::devhdl))
479 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::object))
480 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::flags))
481 
482 /*
483  * Status types when calling mptsas_get_target_device_info
484  */
485 #define	DEV_INFO_SUCCESS		0x0
486 #define	DEV_INFO_FAIL_PAGE0		0x1
487 #define	DEV_INFO_WRONG_DEVICE_TYPE	0x2
488 #define	DEV_INFO_PHYS_DISK		0x3
489 #define	DEV_INFO_FAIL_ALLOC		0x4
490 
491 /*
492  * mpt hotplug event defines
493  */
494 #define	MPTSAS_DR_EVENT_RECONFIG_TARGET	0x01
495 #define	MPTSAS_DR_EVENT_OFFLINE_TARGET	0x02
496 #define	MPTSAS_TOPO_FLAG_REMOVE_HANDLE	0x04
497 
498 /*
499  * SMP target hotplug events
500  */
501 #define	MPTSAS_DR_EVENT_RECONFIG_SMP	0x10
502 #define	MPTSAS_DR_EVENT_OFFLINE_SMP	0x20
503 #define	MPTSAS_DR_EVENT_MASK		0x3F
504 
505 /*
506  * mpt hotplug status definition for m_dr_flag
507  */
508 
509 /*
510  * MPTSAS_DR_INACTIVE
511  *
512  * The target is in a normal operating state.
513  * No dynamic reconfiguration operation is in progress.
514  */
515 #define	MPTSAS_DR_INACTIVE				0x0
516 /*
517  * MPTSAS_DR_INTRANSITION
518  *
519  * The target is in a transition mode since
520  * hotplug event happens and offline procedure has not
521  * been finished
522  */
523 #define	MPTSAS_DR_INTRANSITION			0x1
524 
525 typedef struct mptsas_tgt_private {
526 	int t_lun;
527 	struct mptsas_target *t_private;
528 } mptsas_tgt_private_t;
529 
530 /*
531  * The following defines are used in mptsas_set_init_mode to track the current
532  * state as we progress through reprogramming the HBA from target mode into
533  * initiator mode.
534  */
535 
536 #define	IOUC_READ_PAGE0		0x00000100
537 #define	IOUC_READ_PAGE1		0x00000200
538 #define	IOUC_WRITE_PAGE1	0x00000400
539 #define	IOUC_DONE		0x00000800
540 #define	DISCOVERY_IN_PROGRESS	MPI2_SASIOUNIT0_PORTFLAGS_DISCOVERY_IN_PROGRESS
541 #define	AUTO_PORT_CONFIGURATION	MPI2_SASIOUNIT0_PORTFLAGS_AUTO_PORT_CONFIG
542 
543 /*
544  * Last allocated slot is used for TM requests.  Since only m_max_requests
545  * frames are allocated, the last SMID will be m_max_requests - 1.
546  */
547 #define	MPTSAS_SLOTS_SIZE(mpt) \
548 	(sizeof (struct mptsas_slots) + (sizeof (struct mptsas_cmd *) * \
549 		mpt->m_max_requests))
550 #define	MPTSAS_TM_SLOT(mpt)	(mpt->m_max_requests - 1)
551 
552 /*
553  * Macro for phy_flags
554  */
555 typedef struct mptsas_phy_info {
556 	uint8_t			port_num;
557 	uint8_t			port_flags;
558 	uint16_t		ctrl_devhdl;
559 	uint32_t		phy_device_type;
560 	uint16_t		attached_devhdl;
561 	uint8_t			phy_mask;
562 } mptsas_phy_info_t;
563 
564 typedef struct mptsas_doneq_thread_arg {
565 	void		*mpt;
566 	uint64_t	t;
567 } mptsas_doneq_thread_arg_t;
568 
569 #define	MPTSAS_DONEQ_THREAD_ACTIVE	0x1
570 typedef struct mptsas_doneq_thread_list {
571 	mptsas_cmd_t		*doneq;
572 	mptsas_cmd_t		**donetail;
573 	kthread_t		*threadp;
574 	kcondvar_t		cv;
575 	ushort_t		reserv1;
576 	uint32_t		reserv2;
577 	kmutex_t		mutex;
578 	uint32_t		flag;
579 	uint32_t		len;
580 	mptsas_doneq_thread_arg_t	arg;
581 } mptsas_doneq_thread_list_t;
582 
583 typedef struct mptsas {
584 	int		m_instance;
585 
586 	struct mptsas *m_next;
587 
588 	scsi_hba_tran_t		*m_tran;
589 	sas_hba_tran_t		*m_smptran;
590 	kmutex_t		m_mutex;
591 	kcondvar_t		m_cv;
592 	kcondvar_t		m_passthru_cv;
593 	kcondvar_t		m_fw_cv;
594 	kcondvar_t		m_config_cv;
595 	dev_info_t		*m_dip;
596 
597 	/*
598 	 * soft state flags
599 	 */
600 	uint_t		m_softstate;
601 
602 	struct mptsas_slots *m_active;	/* outstanding cmds */
603 
604 	mptsas_cmd_t	*m_waitq;	/* cmd queue for active request */
605 	mptsas_cmd_t	**m_waitqtail;	/* wait queue tail ptr */
606 
607 	kmutex_t	m_tx_waitq_mutex;
608 	mptsas_cmd_t	*m_tx_waitq;	/* TX cmd queue for active request */
609 	mptsas_cmd_t	**m_tx_waitqtail;	/* tx_wait queue tail ptr */
610 	int		m_tx_draining;	/* TX queue draining flag */
611 
612 	mptsas_cmd_t	*m_doneq;	/* queue of completed commands */
613 	mptsas_cmd_t	**m_donetail;	/* queue tail ptr */
614 
615 	/*
616 	 * variables for helper threads (fan-out interrupts)
617 	 */
618 	mptsas_doneq_thread_list_t	*m_doneq_thread_id;
619 	uint32_t		m_doneq_thread_n;
620 	uint32_t		m_doneq_thread_threshold;
621 	uint32_t		m_doneq_length_threshold;
622 	uint32_t		m_doneq_len;
623 	kcondvar_t		m_doneq_thread_cv;
624 	kmutex_t		m_doneq_mutex;
625 
626 	int		m_ncmds;	/* number of outstanding commands */
627 	m_event_struct_t *m_ioc_event_cmdq;	/* cmd queue for ioc event */
628 	m_event_struct_t **m_ioc_event_cmdtail;	/* ioc cmd queue tail */
629 
630 	ddi_acc_handle_t m_datap;	/* operating regs data access handle */
631 
632 	struct _MPI2_SYSTEM_INTERFACE_REGS	*m_reg;
633 
634 	ushort_t	m_devid;	/* device id of chip. */
635 	uchar_t		m_revid;	/* revision of chip. */
636 	uint16_t	m_svid;		/* subsystem Vendor ID of chip */
637 	uint16_t	m_ssid;		/* subsystem Device ID of chip */
638 
639 	uchar_t		m_sync_offset;	/* default offset for this chip. */
640 
641 	timeout_id_t	m_quiesce_timeid;
642 	timeout_id_t	m_pm_timeid;
643 
644 	ddi_dma_handle_t m_dma_req_frame_hdl;
645 	ddi_acc_handle_t m_acc_req_frame_hdl;
646 	ddi_dma_handle_t m_dma_reply_frame_hdl;
647 	ddi_acc_handle_t m_acc_reply_frame_hdl;
648 	ddi_dma_handle_t m_dma_free_queue_hdl;
649 	ddi_acc_handle_t m_acc_free_queue_hdl;
650 	ddi_dma_handle_t m_dma_post_queue_hdl;
651 	ddi_acc_handle_t m_acc_post_queue_hdl;
652 
653 	/*
654 	 * list of reset notification requests
655 	 */
656 	struct scsi_reset_notify_entry	*m_reset_notify_listf;
657 
658 	/*
659 	 * qfull handling
660 	 */
661 	timeout_id_t	m_restart_cmd_timeid;
662 
663 	/*
664 	 * scsi	reset delay per	bus
665 	 */
666 	uint_t		m_scsi_reset_delay;
667 
668 	int		m_pm_idle_delay;
669 
670 	uchar_t		m_polled_intr;	/* intr was polled. */
671 	uchar_t		m_suspended;	/* true	if driver is suspended */
672 
673 	struct kmem_cache *m_kmem_cache;
674 	struct kmem_cache *m_cache_frames;
675 
676 	/*
677 	 * hba options.
678 	 */
679 	uint_t		m_options;
680 
681 	int		m_in_callback;
682 
683 	int		m_power_level;	/* current power level */
684 
685 	int		m_busy;		/* power management busy state */
686 
687 	off_t		m_pmcsr_offset; /* PMCSR offset */
688 
689 	ddi_acc_handle_t m_config_handle;
690 
691 	ddi_dma_attr_t		m_io_dma_attr;	/* Used for data I/O */
692 	ddi_dma_attr_t		m_msg_dma_attr; /* Used for message frames */
693 	ddi_device_acc_attr_t	m_dev_acc_attr;
694 
695 	/*
696 	 * request/reply variables
697 	 */
698 	caddr_t		m_req_frame;
699 	uint64_t	m_req_frame_dma_addr;
700 	caddr_t		m_reply_frame;
701 	uint64_t	m_reply_frame_dma_addr;
702 	caddr_t		m_free_queue;
703 	uint64_t	m_free_queue_dma_addr;
704 	caddr_t		m_post_queue;
705 	uint64_t	m_post_queue_dma_addr;
706 
707 	m_replyh_arg_t *m_replyh_args;
708 
709 	uint16_t	m_max_requests;
710 	uint16_t	m_req_frame_size;
711 
712 	/*
713 	 * Max frames per request reprted in IOC Facts
714 	 */
715 	uint8_t		m_max_chain_depth;
716 	/*
717 	 * Max frames per request which is used in reality. It's adjusted
718 	 * according DMA SG length attribute, and shall not exceed the
719 	 * m_max_chain_depth.
720 	 */
721 	uint8_t		m_max_request_frames;
722 
723 	uint16_t	m_free_queue_depth;
724 	uint16_t	m_post_queue_depth;
725 	uint16_t	m_max_replies;
726 	uint32_t	m_free_index;
727 	uint32_t	m_post_index;
728 	uint8_t		m_reply_frame_size;
729 
730 	/*
731 	 * indicates if the firmware was upload by the driver
732 	 * at boot time
733 	 */
734 	ushort_t	m_fwupload;
735 
736 	uint16_t	m_productid;
737 
738 	/*
739 	 * per instance data structures for dma memory resources for
740 	 * MPI handshake protocol. only one handshake cmd can run at a time.
741 	 */
742 	ddi_dma_handle_t	m_hshk_dma_hdl;
743 
744 	ddi_acc_handle_t	m_hshk_acc_hdl;
745 
746 	caddr_t			m_hshk_memp;
747 
748 	size_t			m_hshk_dma_size;
749 
750 	/* Firmware version on the card at boot time */
751 	uint32_t		m_fwversion;
752 
753 	/* MSI specific fields */
754 	ddi_intr_handle_t	*m_htable;	/* For array of interrupts */
755 	int			m_intr_type;	/* What type of interrupt */
756 	int			m_intr_cnt;	/* # of intrs count returned */
757 	size_t			m_intr_size;    /* Size of intr array */
758 	uint_t			m_intr_pri;	/* Interrupt priority   */
759 	int			m_intr_cap;	/* Interrupt capabilities */
760 	ddi_taskq_t		*m_event_taskq;
761 
762 	/* SAS specific information */
763 
764 	union {
765 		uint64_t	m_base_wwid;	/* Base WWID */
766 		struct {
767 #ifdef _BIG_ENDIAN
768 			uint32_t	m_base_wwid_hi;
769 			uint32_t	m_base_wwid_lo;
770 #else
771 			uint32_t	m_base_wwid_lo;
772 			uint32_t	m_base_wwid_hi;
773 #endif
774 		} sasaddr;
775 	} un;
776 
777 	uint8_t			m_num_phys;		/* # of PHYs */
778 	mptsas_phy_info_t	m_phy_info[MPTSAS_MAX_PHYS];
779 	uint8_t			m_port_chng;	/* initiator port changes */
780 
781 	/* FMA Capabilities */
782 	int			m_fm_capabilities;
783 	ddi_taskq_t		*m_dr_taskq;
784 	int			m_mpxio_enable;
785 	uint8_t			m_done_traverse_dev;
786 	uint8_t			m_done_traverse_smp;
787 	int			m_passthru_in_progress;
788 	uint16_t		m_dev_handle;
789 	uint16_t		m_smp_devhdl;
790 
791 	/*
792 	 * Event recording
793 	 */
794 	uint32_t		m_event_number;
795 	uint32_t		m_event_mask[4];
796 	mptsas_event_entry_t	m_events[MPTSAS_EVENT_QUEUE_SIZE];
797 
798 	/*
799 	 * per instance cmd data structures for task management cmds
800 	 */
801 	m_event_struct_t	m_event_task_mgmt;	/* must be last */
802 							/* ... scsi_pkt_size */
803 } mptsas_t;
804 #define	MPTSAS_SIZE	(sizeof (struct mptsas) - \
805 			sizeof (struct scsi_pkt) + scsi_pkt_size())
806 /*
807  * Only one of below two conditions is satisfied, we
808  * think the target is associated to the iport and
809  * allow call into mptsas_probe_lun().
810  * 1. physicalsport == physport
811  * 2. (phymask & (1 << physport)) == 0
812  * The condition #2 is because LSI uses lowest PHY
813  * number as the value of physical port when auto port
814  * configuration.
815  */
816 #define	IS_SAME_PORT(physicalport, physport, phymask, dynamicport) \
817 	((physicalport == physport) || (dynamicport && (phymask & \
818 	(1 << physport))))
819 
820 _NOTE(MUTEX_PROTECTS_DATA(mptsas::m_mutex, mptsas))
821 _NOTE(SCHEME_PROTECTS_DATA("safe sharing", mptsas::m_next))
822 _NOTE(SCHEME_PROTECTS_DATA("stable data", mptsas::m_dip mptsas::m_tran))
823 _NOTE(SCHEME_PROTECTS_DATA("stable data", mptsas::m_kmem_cache))
824 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_io_dma_attr.dma_attr_sgllen))
825 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_devid))
826 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_productid))
827 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_port_type))
828 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_mpxio_enable))
829 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_ntargets))
830 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_instance))
831 
832 typedef struct mptsas_dma_alloc_state
833 {
834 	ddi_dma_handle_t	handle;
835 	caddr_t			memp;
836 	size_t			size;
837 	ddi_acc_handle_t	accessp;
838 	ddi_dma_cookie_t	cookie;
839 } mptsas_dma_alloc_state_t;
840 
841 /*
842  * These should eventually migrate into the mpt header files
843  * that may become the /kernel/misc/mpt module...
844  */
845 #define	mptsas_init_std_hdr(hdl, mp, DevHandle, Lun, ChainOffset, Function) \
846 	mptsas_put_msg_DevHandle(hdl, mp, DevHandle); \
847 	mptsas_put_msg_ChainOffset(hdl, mp, ChainOffset); \
848 	mptsas_put_msg_Function(hdl, mp, Function); \
849 	mptsas_put_msg_Lun(hdl, mp, Lun)
850 
851 #define	mptsas_put_msg_DevHandle(hdl, mp, val) \
852 	ddi_put16(hdl, &(mp)->DevHandle, (val))
853 #define	mptsas_put_msg_ChainOffset(hdl, mp, val) \
854 	ddi_put8(hdl, &(mp)->ChainOffset, (val))
855 #define	mptsas_put_msg_Function(hdl, mp, val) \
856 	ddi_put8(hdl, &(mp)->Function, (val))
857 #define	mptsas_put_msg_Lun(hdl, mp, val) \
858 	ddi_put8(hdl, &(mp)->LUN[1], (val))
859 
860 #define	mptsas_get_msg_Function(hdl, mp) \
861 	ddi_get8(hdl, &(mp)->Function)
862 
863 #define	mptsas_get_msg_MsgFlags(hdl, mp) \
864 	ddi_get8(hdl, &(mp)->MsgFlags)
865 
866 #define	MPTSAS_ENABLE_DRWE(hdl) \
867 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
868 		MPI2_WRSEQ_FLUSH_KEY_VALUE); \
869 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
870 		MPI2_WRSEQ_1ST_KEY_VALUE); \
871 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
872 		MPI2_WRSEQ_2ND_KEY_VALUE); \
873 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
874 		MPI2_WRSEQ_3RD_KEY_VALUE); \
875 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
876 		MPI2_WRSEQ_4TH_KEY_VALUE); \
877 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
878 		MPI2_WRSEQ_5TH_KEY_VALUE); \
879 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
880 		MPI2_WRSEQ_6TH_KEY_VALUE);
881 
882 /*
883  * m_options flags
884  */
885 #define	MPTSAS_OPT_PM		0x01	/* Power Management */
886 
887 /*
888  * m_softstate flags
889  */
890 #define	MPTSAS_SS_DRAINING		0x02
891 #define	MPTSAS_SS_QUIESCED		0x04
892 #define	MPTSAS_SS_MSG_UNIT_RESET	0x08
893 
894 /*
895  * regspec defines.
896  */
897 #define	CONFIG_SPACE	0	/* regset[0] - configuration space */
898 #define	IO_SPACE	1	/* regset[1] - used for i/o mapped device */
899 #define	MEM_SPACE	2	/* regset[2] - used for memory mapped device */
900 #define	BASE_REG2	3	/* regset[3] - used for 875 scripts ram */
901 
902 /*
903  * Handy constants
904  */
905 #define	FALSE		0
906 #define	TRUE		1
907 #define	UNDEFINED	-1
908 #define	FAILED		-2
909 
910 /*
911  * power management.
912  */
913 #define	MPTSAS_POWER_ON(mpt) { \
914 	pci_config_put16(mpt->m_config_handle, mpt->m_pmcsr_offset, \
915 	    PCI_PMCSR_D0); \
916 	delay(drv_usectohz(10000)); \
917 	(void) pci_restore_config_regs(mpt->m_dip); \
918 	mptsas_setup_cmd_reg(mpt); \
919 }
920 
921 #define	MPTSAS_POWER_OFF(mpt) { \
922 	(void) pci_save_config_regs(mpt->m_dip); \
923 	pci_config_put16(mpt->m_config_handle, mpt->m_pmcsr_offset, \
924 	    PCI_PMCSR_D3HOT); \
925 	mpt->m_power_level = PM_LEVEL_D3; \
926 }
927 
928 /*
929  * inq_dtype:
930  * Bits 5 through 7 are the Peripheral Device Qualifier
931  * 001b: device not connected to the LUN
932  * Bits 0 through 4 are the Peripheral Device Type
933  * 1fh: Unknown or no device type
934  *
935  * Although the inquiry may return success, the following value
936  * means no valid LUN connected.
937  */
938 #define	MPTSAS_VALID_LUN(sd_inq) \
939 	(((sd_inq->inq_dtype & 0xe0) != 0x20) && \
940 	((sd_inq->inq_dtype & 0x1f) != 0x1f))
941 
942 /*
943  * Default is to have 10 retries on receiving QFULL status and
944  * each retry to be after 100 ms.
945  */
946 #define	QFULL_RETRIES		10
947 #define	QFULL_RETRY_INTERVAL	100
948 
949 /*
950  * Handy macros
951  */
952 #define	Tgt(sp)	((sp)->cmd_pkt->pkt_address.a_target)
953 #define	Lun(sp)	((sp)->cmd_pkt->pkt_address.a_lun)
954 
955 #define	IS_HEX_DIGIT(n)	(((n) >= '0' && (n) <= '9') || \
956 	((n) >= 'a' && (n) <= 'f') || ((n) >= 'A' && (n) <= 'F'))
957 
958 /*
959  * poll time for mptsas_pollret() and mptsas_wait_intr()
960  */
961 #define	MPTSAS_POLL_TIME	30000	/* 30 seconds */
962 
963 /*
964  * default time for mptsas_do_passthru
965  */
966 #define	MPTSAS_PASS_THRU_TIME_DEFAULT	60	/* 60 seconds */
967 
968 /*
969  * macro for getting value in micro-seconds since last boot to be used as
970  * timeout in cv_timedwait call.
971  */
972 #define	MPTSAS_CV_TIMEOUT(timeout)  (ddi_get_lbolt() + \
973     drv_usectohz(timeout * MICROSEC))
974 
975 /*
976  * macro to return the effective address of a given per-target field
977  */
978 #define	EFF_ADDR(start, offset)		((start) + (offset))
979 
980 #define	SDEV2ADDR(devp)		(&((devp)->sd_address))
981 #define	SDEV2TRAN(devp)		((devp)->sd_address.a_hba_tran)
982 #define	PKT2TRAN(pkt)		((pkt)->pkt_address.a_hba_tran)
983 #define	ADDR2TRAN(ap)		((ap)->a_hba_tran)
984 #define	DIP2TRAN(dip)		(ddi_get_driver_private(dip))
985 
986 
987 #define	TRAN2MPT(hba)		((mptsas_t *)(hba)->tran_hba_private)
988 #define	DIP2MPT(dip)		(TRAN2MPT((scsi_hba_tran_t *)DIP2TRAN(dip)))
989 #define	SDEV2MPT(sd)		(TRAN2MPT(SDEV2TRAN(sd)))
990 #define	PKT2MPT(pkt)		(TRAN2MPT(PKT2TRAN(pkt)))
991 
992 #define	ADDR2MPT(ap)		(TRAN2MPT(ADDR2TRAN(ap)))
993 
994 #define	POLL_TIMEOUT		(2 * SCSI_POLL_TIMEOUT * 1000000)
995 #define	SHORT_POLL_TIMEOUT	(1000000)	/* in usec, about 1 secs */
996 #define	MPTSAS_QUIESCE_TIMEOUT	1		/* 1 sec */
997 #define	MPTSAS_PM_IDLE_TIMEOUT	60		/* 60 seconds */
998 
999 #define	MPTSAS_GET_ISTAT(mpt)  (ddi_get32((mpt)->m_datap, \
1000 			&(mpt)->m_reg->HostInterruptStatus))
1001 
1002 #define	MPTSAS_SET_SIGP(P) \
1003 		ClrSetBits(mpt->m_devaddr + NREG_ISTAT, 0, NB_ISTAT_SIGP)
1004 
1005 #define	MPTSAS_RESET_SIGP(P) (void) ddi_get8(mpt->m_datap, \
1006 			(uint8_t *)(mpt->m_devaddr + NREG_CTEST2))
1007 
1008 #define	MPTSAS_GET_INTCODE(P) (ddi_get32(mpt->m_datap, \
1009 			(uint32_t *)(mpt->m_devaddr + NREG_DSPS)))
1010 
1011 
1012 #define	MPTSAS_START_CMD(mpt, req_desc_lo, req_desc_hi) \
1013 	ddi_put32(mpt->m_datap, &mpt->m_reg->RequestDescriptorPostLow,\
1014 	    req_desc_lo);\
1015 	ddi_put32(mpt->m_datap, &mpt->m_reg->RequestDescriptorPostHigh,\
1016 	    req_desc_hi);
1017 
1018 #define	INTPENDING(mpt) \
1019 	(MPTSAS_GET_ISTAT(mpt) & MPI2_HIS_REPLY_DESCRIPTOR_INTERRUPT)
1020 
1021 /*
1022  * Mask all interrupts to disable
1023  */
1024 #define	MPTSAS_DISABLE_INTR(mpt)	\
1025 	ddi_put32((mpt)->m_datap, &(mpt)->m_reg->HostInterruptMask, \
1026 	    (MPI2_HIM_RIM | MPI2_HIM_DIM | MPI2_HIM_RESET_IRQ_MASK))
1027 
1028 /*
1029  * Mask Doorbell and Reset interrupts to enable reply desc int.
1030  */
1031 #define	MPTSAS_ENABLE_INTR(mpt)	\
1032 	ddi_put32(mpt->m_datap, &mpt->m_reg->HostInterruptMask, \
1033 	(MPI2_HIM_DIM | MPI2_HIM_RESET_IRQ_MASK))
1034 
1035 #define	MPTSAS_GET_NEXT_REPLY(mpt, index)  \
1036 	&((uint64_t *)(void *)mpt->m_post_queue)[index]
1037 
1038 #define	MPTSAS_GET_NEXT_FRAME(mpt, SMID) \
1039 	(mpt->m_req_frame + (mpt->m_req_frame_size * SMID))
1040 
1041 #define	ClrSetBits32(hdl, reg, clr, set) \
1042 	ddi_put32(hdl, (reg), \
1043 	    ((ddi_get32(mpt->m_datap, (reg)) & ~(clr)) | (set)))
1044 
1045 #define	ClrSetBits(reg, clr, set) \
1046 	ddi_put8(mpt->m_datap, (uint8_t *)(reg), \
1047 		((ddi_get8(mpt->m_datap, (uint8_t *)(reg)) & ~(clr)) | (set)))
1048 
1049 #define	MPTSAS_WAITQ_RM(mpt, cmdp)	\
1050 	if ((cmdp = mpt->m_waitq) != NULL) { \
1051 		/* If the queue is now empty fix the tail pointer */	\
1052 		if ((mpt->m_waitq = cmdp->cmd_linkp) == NULL) \
1053 			mpt->m_waitqtail = &mpt->m_waitq; \
1054 		cmdp->cmd_linkp = NULL; \
1055 		cmdp->cmd_queued = FALSE; \
1056 	}
1057 
1058 #define	MPTSAS_TX_WAITQ_RM(mpt, cmdp)	\
1059 	if ((cmdp = mpt->m_tx_waitq) != NULL) { \
1060 		/* If the queue is now empty fix the tail pointer */	\
1061 		if ((mpt->m_tx_waitq = cmdp->cmd_linkp) == NULL) \
1062 			mpt->m_tx_waitqtail = &mpt->m_tx_waitq; \
1063 		cmdp->cmd_linkp = NULL; \
1064 		cmdp->cmd_queued = FALSE; \
1065 	}
1066 
1067 /*
1068  * defaults for	the global properties
1069  */
1070 #define	DEFAULT_SCSI_OPTIONS	SCSI_OPTIONS_DR
1071 #define	DEFAULT_TAG_AGE_LIMIT	2
1072 #define	DEFAULT_WD_TICK		10
1073 
1074 /*
1075  * invalid hostid.
1076  */
1077 #define	MPTSAS_INVALID_HOSTID  -1
1078 
1079 /*
1080  * Get/Set hostid from SCSI port configuration page
1081  */
1082 #define	MPTSAS_GET_HOST_ID(configuration) (configuration & 0xFF)
1083 #define	MPTSAS_SET_HOST_ID(hostid) (hostid | ((1 << hostid) << 16))
1084 
1085 /*
1086  * Config space.
1087  */
1088 #define	MPTSAS_LATENCY_TIMER	0x40
1089 
1090 /*
1091  * Offset to firmware version
1092  */
1093 #define	MPTSAS_FW_VERSION_OFFSET	9
1094 
1095 /*
1096  * Offset and masks to get at the ProductId field
1097  */
1098 #define	MPTSAS_FW_PRODUCTID_OFFSET	8
1099 #define	MPTSAS_FW_PRODUCTID_MASK	0xFFFF0000
1100 #define	MPTSAS_FW_PRODUCTID_SHIFT	16
1101 
1102 /*
1103  * Subsystem ID for HBAs.
1104  */
1105 #define	MPTSAS_HBA_SUBSYSTEM_ID    0x10C0
1106 #define	MPTSAS_RHEA_SUBSYSTEM_ID	0x10B0
1107 
1108 /*
1109  * reset delay tick
1110  */
1111 #define	MPTSAS_WATCH_RESET_DELAY_TICK 50	/* specified in milli seconds */
1112 
1113 /*
1114  * Ioc reset return values
1115  */
1116 #define	MPTSAS_RESET_FAIL	-1
1117 #define	MPTSAS_NO_RESET		0
1118 #define	MPTSAS_SUCCESS_HARDRESET	1
1119 
1120 /*
1121  * throttle support.
1122  */
1123 #define	MAX_THROTTLE	32
1124 #define	HOLD_THROTTLE	0
1125 #define	DRAIN_THROTTLE	-1
1126 #define	QFULL_THROTTLE	-2
1127 
1128 /*
1129  * Passthrough/config request flags
1130  */
1131 #define	MPTSAS_DATA_ALLOCATED		0x0001
1132 #define	MPTSAS_DATAOUT_ALLOCATED	0x0002
1133 #define	MPTSAS_REQUEST_POOL_CMD		0x0004
1134 #define	MPTSAS_ADDRESS_REPLY		0x0008
1135 #define	MPTSAS_CMD_TIMEOUT		0x0010
1136 
1137 /*
1138  * System Events
1139  */
1140 #ifndef	DDI_VENDOR_LSI
1141 #define	DDI_VENDOR_LSI	"LSI"
1142 #endif	/* DDI_VENDOR_LSI */
1143 
1144 /*
1145  * Shared functions
1146  */
1147 int mptsas_save_cmd(struct mptsas *mpt, struct mptsas_cmd *cmd);
1148 void mptsas_remove_cmd(mptsas_t *mpt, mptsas_cmd_t *cmd);
1149 void mptsas_waitq_add(mptsas_t *mpt, mptsas_cmd_t *cmd);
1150 int mptsas_config_space_init(struct mptsas *mpt);
1151 int mptsas_init_chip(mptsas_t *mpt, int first_time);
1152 void mptsas_log(struct mptsas *mpt, int level, char *fmt, ...);
1153 int mptsas_poll(mptsas_t *mpt, mptsas_cmd_t *poll_cmd, int polltime);
1154 int mptsas_do_dma(mptsas_t *mpt, uint32_t size, int var, int (*callback)());
1155 int mptsas_send_config_request_msg(mptsas_t *mpt, uint8_t action,
1156 	uint8_t pagetype, uint32_t pageaddress, uint8_t pagenumber,
1157 	uint8_t pageversion, uint8_t pagelength, uint32_t
1158 	SGEflagslength, uint32_t SGEaddress32);
1159 int mptsas_send_extended_config_request_msg(mptsas_t *mpt, uint8_t action,
1160 	uint8_t extpagetype, uint32_t pageaddress, uint8_t pagenumber,
1161 	uint8_t pageversion, uint16_t extpagelength,
1162 	uint32_t SGEflagslength, uint32_t SGEaddress32);
1163 int mptsas_update_flash(mptsas_t *mpt, caddr_t ptrbuffer, uint32_t size,
1164 	uint8_t type, int mode);
1165 int mptsas_check_flash(mptsas_t *mpt, caddr_t origfile, uint32_t size,
1166 	uint8_t type, int mode);
1167 int mptsas_download_firmware();
1168 int mptsas_can_download_firmware();
1169 int mptsas_passthru_dma_alloc(mptsas_t *mpt,
1170     mptsas_dma_alloc_state_t *dma_statep);
1171 void mptsas_passthru_dma_free(mptsas_dma_alloc_state_t *dma_statep);
1172 uint8_t mptsas_physport_to_phymask(mptsas_t *mpt, uint8_t physport);
1173 uint8_t mptsas_phymask_to_physport(mptsas_t *mpt, uint8_t phymask);
1174 void mptsas_fma_check(mptsas_t *mpt, mptsas_cmd_t *cmd);
1175 int mptsas_check_acc_handle(ddi_acc_handle_t handle);
1176 int mptsas_check_dma_handle(ddi_dma_handle_t handle);
1177 void mptsas_fm_ereport(mptsas_t *mpt, char *detail);
1178 
1179 /*
1180  * impl functions
1181  */
1182 int mptsas_ioc_wait_for_response(mptsas_t *mpt);
1183 int mptsas_ioc_wait_for_doorbell(mptsas_t *mpt);
1184 int mptsas_ioc_reset(mptsas_t *mpt);
1185 int mptsas_send_handshake_msg(mptsas_t *mpt, caddr_t memp, int numbytes,
1186     ddi_acc_handle_t accessp);
1187 int mptsas_get_handshake_msg(mptsas_t *mpt, caddr_t memp, int numbytes,
1188     ddi_acc_handle_t accessp);
1189 int mptsas_send_config_request_msg(mptsas_t *mpt, uint8_t action,
1190     uint8_t pagetype, uint32_t pageaddress, uint8_t pagenumber,
1191     uint8_t pageversion, uint8_t pagelength, uint32_t SGEflagslength,
1192     uint32_t SGEaddress32);
1193 int mptsas_send_extended_config_request_msg(mptsas_t *mpt, uint8_t action,
1194     uint8_t extpagetype, uint32_t pageaddress, uint8_t pagenumber,
1195     uint8_t pageversion, uint16_t extpagelength,
1196     uint32_t SGEflagslength, uint32_t SGEaddress32);
1197 
1198 int mptsas_request_from_pool(mptsas_t *mpt, mptsas_cmd_t **cmd,
1199     struct scsi_pkt **pkt);
1200 void mptsas_return_to_pool(mptsas_t *mpt, mptsas_cmd_t *cmd);
1201 void mptsas_destroy_ioc_event_cmd(mptsas_t *mpt);
1202 void mptsas_start_config_page_access(mptsas_t *mpt, mptsas_cmd_t *cmd);
1203 int mptsas_access_config_page(mptsas_t *mpt, uint8_t action, uint8_t page_type,
1204     uint8_t page_number, uint32_t page_address, int (*callback) (mptsas_t *,
1205     caddr_t, ddi_acc_handle_t, uint16_t, uint32_t, va_list), ...);
1206 
1207 int mptsas_ioc_task_management(mptsas_t *mpt, int task_type,
1208     uint16_t dev_handle, int lun);
1209 int mptsas_send_event_ack(mptsas_t *mpt, uint32_t event, uint32_t eventcntx);
1210 void mptsas_send_pending_event_ack(mptsas_t *mpt);
1211 void mptsas_set_throttle(struct mptsas *mpt, mptsas_target_t *ptgt, int what);
1212 int mptsas_restart_ioc(mptsas_t *mpt);
1213 void mptsas_update_driver_data(struct mptsas *mpt);
1214 uint64_t mptsas_get_sata_guid(mptsas_t *mpt, mptsas_target_t *ptgt, int lun);
1215 
1216 /*
1217  * init functions
1218  */
1219 int mptsas_ioc_get_facts(mptsas_t *mpt);
1220 int mptsas_ioc_get_port_facts(mptsas_t *mpt, int port);
1221 int mptsas_ioc_enable_port(mptsas_t *mpt);
1222 int mptsas_ioc_enable_event_notification(mptsas_t *mpt);
1223 int mptsas_ioc_init(mptsas_t *mpt);
1224 
1225 /*
1226  * configuration pages operation
1227  */
1228 int mptsas_get_sas_device_page0(mptsas_t *mpt, uint32_t page_address,
1229     uint16_t *dev_handle, uint64_t *sas_wwn, uint32_t *dev_info,
1230     uint8_t *physport, uint8_t *phynum);
1231 int mptsas_get_sas_io_unit_page(mptsas_t *mpt);
1232 int mptsas_get_sas_io_unit_page_hndshk(mptsas_t *mpt);
1233 int mptsas_get_sas_expander_page0(mptsas_t *mpt, uint32_t page_address,
1234     mptsas_smp_t *info);
1235 int mptsas_set_initiator_mode(mptsas_t *mpt);
1236 int mptsas_set_ioc_params(mptsas_t *mpt);
1237 int mptsas_get_manufacture_page5(mptsas_t *mpt);
1238 int mptsas_get_sas_port_page0(mptsas_t *mpt, uint32_t page_address,
1239     uint64_t *sas_wwn, uint8_t *portwidth);
1240 
1241 /*
1242  * RAID functions
1243  */
1244 int mptsas_get_raid_settings(mptsas_t *mpt, mptsas_raidvol_t *raidvol);
1245 int mptsas_get_raid_info(mptsas_t *mpt);
1246 int mptsas_get_physdisk_settings(mptsas_t *mpt, mptsas_raidvol_t *raidvol,
1247     uint8_t physdisknum);
1248 int mptsas_delete_volume(mptsas_t *mpt, uint16_t volid);
1249 
1250 #define	MPTSAS_IOCSTATUS(status) (status & MPI2_IOCSTATUS_MASK)
1251 /*
1252  * debugging.
1253  */
1254 #if defined(MPTSAS_DEBUG)
1255 
1256 void mptsas_printf(char *fmt, ...);
1257 
1258 #define	MPTSAS_DBGPR(m, args)	\
1259 	if (mptsas_debug_flags & (m)) \
1260 		mptsas_printf args
1261 #else	/* ! defined(MPTSAS_DEBUG) */
1262 #define	MPTSAS_DBGPR(m, args)
1263 #endif	/* defined(MPTSAS_DEBUG) */
1264 
1265 #define	NDBG0(args)	MPTSAS_DBGPR(0x01, args)	/* init	*/
1266 #define	NDBG1(args)	MPTSAS_DBGPR(0x02, args)	/* normal running */
1267 #define	NDBG2(args)	MPTSAS_DBGPR(0x04, args)	/* property handling */
1268 #define	NDBG3(args)	MPTSAS_DBGPR(0x08, args)	/* pkt handling */
1269 
1270 #define	NDBG4(args)	MPTSAS_DBGPR(0x10, args)	/* kmem alloc/free */
1271 #define	NDBG5(args)	MPTSAS_DBGPR(0x20, args)	/* polled cmds */
1272 #define	NDBG6(args)	MPTSAS_DBGPR(0x40, args)	/* interrupts */
1273 #define	NDBG7(args)	MPTSAS_DBGPR(0x80, args)	/* queue handling */
1274 
1275 #define	NDBG8(args)	MPTSAS_DBGPR(0x0100, args)	/* arq */
1276 #define	NDBG9(args)	MPTSAS_DBGPR(0x0200, args)	/* Tagged Q'ing */
1277 #define	NDBG10(args)	MPTSAS_DBGPR(0x0400, args)	/* halting chip */
1278 #define	NDBG11(args)	MPTSAS_DBGPR(0x0800, args)	/* power management */
1279 
1280 #define	NDBG12(args)	MPTSAS_DBGPR(0x1000, args)	/* enumeration */
1281 #define	NDBG13(args)	MPTSAS_DBGPR(0x2000, args)	/* configuration page */
1282 #define	NDBG14(args)	MPTSAS_DBGPR(0x4000, args)
1283 #define	NDBG15(args)	MPTSAS_DBGPR(0x8000, args)
1284 
1285 #define	NDBG16(args)	MPTSAS_DBGPR(0x010000, args)
1286 #define	NDBG17(args)	MPTSAS_DBGPR(0x020000, args)	/* scatter/gather */
1287 #define	NDBG18(args)	MPTSAS_DBGPR(0x040000, args)
1288 #define	NDBG19(args)	MPTSAS_DBGPR(0x080000, args)	/* handshaking */
1289 
1290 #define	NDBG20(args)	MPTSAS_DBGPR(0x100000, args)	/* events */
1291 #define	NDBG21(args)	MPTSAS_DBGPR(0x200000, args)	/* dma */
1292 #define	NDBG22(args)	MPTSAS_DBGPR(0x400000, args)	/* reset */
1293 #define	NDBG23(args)	MPTSAS_DBGPR(0x800000, args)	/* abort */
1294 
1295 #define	NDBG24(args)	MPTSAS_DBGPR(0x1000000, args)	/* capabilities */
1296 #define	NDBG25(args)	MPTSAS_DBGPR(0x2000000, args)	/* flushing */
1297 #define	NDBG26(args)	MPTSAS_DBGPR(0x4000000, args)
1298 #define	NDBG27(args)	MPTSAS_DBGPR(0x8000000, args)
1299 
1300 #define	NDBG28(args)	MPTSAS_DBGPR(0x10000000, args)	/* hotplug */
1301 #define	NDBG29(args)	MPTSAS_DBGPR(0x20000000, args)	/* timeouts */
1302 #define	NDBG30(args)	MPTSAS_DBGPR(0x40000000, args)	/* mptsas_watch */
1303 #define	NDBG31(args)	MPTSAS_DBGPR(0x80000000, args)	/* negotations */
1304 
1305 /*
1306  * auto request sense
1307  */
1308 #define	RQ_MAKECOM_COMMON(pkt, flag, cmd) \
1309 	(pkt)->pkt_flags = (flag), \
1310 	((union scsi_cdb *)(pkt)->pkt_cdbp)->scc_cmd = (cmd), \
1311 	((union scsi_cdb *)(pkt)->pkt_cdbp)->scc_lun = \
1312 	    (pkt)->pkt_address.a_lun
1313 
1314 #define	RQ_MAKECOM_G0(pkt, flag, cmd, addr, cnt) \
1315 	RQ_MAKECOM_COMMON((pkt), (flag), (cmd)), \
1316 	FORMG0ADDR(((union scsi_cdb *)(pkt)->pkt_cdbp), (addr)), \
1317 	FORMG0COUNT(((union scsi_cdb *)(pkt)->pkt_cdbp), (cnt))
1318 
1319 
1320 #ifdef	__cplusplus
1321 }
1322 #endif
1323 
1324 #endif	/* _SYS_SCSI_ADAPTERS_MPTVAR_H */
1325