xref: /illumos-gate/usr/src/uts/common/sys/scsi/adapters/mpt_sas/mptsas_var.h (revision f33925576a8c0c920106623df372f43dc31d8322)
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 (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
24  * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
25  * Copyright 2019 Joyent, Inc.
26  * Copyright (c) 2014, Tegile Systems Inc. All rights reserved.
27  * Copyright 2023 Racktop Systems, Inc.
28  * Copyright 2026 Hans Rosenfeld
29  */
30 
31 /*
32  * Copyright (c) 2000 to 2010, LSI Corporation.
33  * All rights reserved.
34  *
35  * Redistribution and use in source and binary forms of all code within
36  * this file that is exclusively owned by LSI, with or without
37  * modification, is permitted provided that, in addition to the CDDL 1.0
38  * License requirements, the following conditions are met:
39  *
40  *    Neither the name of the author nor the names of its contributors may be
41  *    used to endorse or promote products derived from this software without
42  *    specific prior written permission.
43  *
44  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
45  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
46  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
47  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
48  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
49  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
50  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
51  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
52  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
53  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
54  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
55  * DAMAGE.
56  */
57 
58 #ifndef _SYS_SCSI_ADAPTERS_MPTVAR_H
59 #define	_SYS_SCSI_ADAPTERS_MPTVAR_H
60 
61 #include <sys/byteorder.h>
62 #include <sys/queue.h>
63 #include <sys/refhash.h>
64 #include <sys/isa_defs.h>
65 #include <sys/sunmdi.h>
66 #include <sys/mdi_impldefs.h>
67 #include <sys/ddi_ufm.h>
68 #include <sys/scsi/adapters/mpt_sas/mptsas_ioctl.h>
69 #include <sys/scsi/adapters/mpi/mpi2_tool.h>
70 #include <sys/scsi/adapters/mpi/mpi2_cnfg.h>
71 
72 #ifdef	__cplusplus
73 extern "C" {
74 #endif
75 
76 /*
77  * Compile options
78  */
79 #ifdef DEBUG
80 #define	MPTSAS_DEBUG		/* turn on debugging code */
81 #endif	/* DEBUG */
82 
83 #define	MPTSAS_INITIAL_SOFT_SPACE	4
84 
85 /*
86  * Note below macro definition and data type definition
87  * are used for phy mask handling, it should be changed
88  * simultaneously.
89  */
90 #define	MPTSAS_MAX_PHYS		24
91 typedef uint32_t		mptsas_phymask_t;
92 
93 #define	MPTSAS_INVALID_DEVHDL	0xffff
94 #define	MPTSAS_SATA_GUID	"sata-guid"
95 
96 /*
97  * Hash table sizes for SMP targets (i.e., expanders) and ordinary SSP/STP
98  * targets.  There's no need to go overboard here, as the ordinary paths for
99  * I/O do not normally require hashed target lookups.  These should be good
100  * enough and then some for any fabric within the hardware's capabilities.
101  */
102 #define	MPTSAS_SMP_BUCKET_COUNT		23
103 #define	MPTSAS_TARGET_BUCKET_COUNT	97
104 #define	MPTSAS_TMP_TARGET_BUCKET_COUNT	13
105 
106 /*
107  * MPT HW defines
108  */
109 #define	MPTSAS_MAX_DISKS_IN_CONFIG	14
110 #define	MPTSAS_MAX_DISKS_IN_VOL		10
111 #define	MPTSAS_MAX_HOTSPARES		2
112 #define	MPTSAS_MAX_RAIDVOLS		2
113 #define	MPTSAS_MAX_RAIDCONFIGS		5
114 
115 /*
116  * 64-bit SAS WWN is displayed as 16 characters as HEX characters,
117  * plus two means the prefix 'w' and end of the string '\0'.
118  */
119 #define	MPTSAS_WWN_STRLEN	(16 + 2)
120 #define	MPTSAS_MAX_GUID_LEN	64
121 
122 /*
123  * DMA routine flags
124  */
125 #define	MPTSAS_DMA_HANDLE_ALLOCD	0x2
126 #define	MPTSAS_DMA_MEMORY_ALLOCD	0x4
127 #define	MPTSAS_DMA_HANDLE_BOUND	0x8
128 
129 /*
130  * If the HBA supports DMA or bus-mastering, you may have your own
131  * scatter-gather list for physically non-contiguous memory in one
132  * I/O operation; if so, there's probably a size for that list.
133  * It must be placed in the ddi_dma_lim_t structure, so that the system
134  * DMA-support routines can use it to break up the I/O request, so we
135  * define it here.
136  */
137 #define	MPTSAS_MAX_DMA_SEGS	257
138 
139 #define	MPTSAS_MAX_FRAME_SGES(mpt) \
140 	(((mpt->m_req_frame_size - (sizeof (MPI2_SCSI_IO_REQUEST))) / 8) + 1)
141 
142 #define	MPTSAS_SGE_SIZE(mpt)					\
143 	((mpt)->m_MPI25 ? sizeof (MPI2_IEEE_SGE_SIMPLE64) :	\
144 	    sizeof (MPI2_SGE_SIMPLE64))
145 
146 /*
147  * Calculating how many 64-bit DMA simple elements can be stored in the first
148  * frame. Note that msg_scsi_io_request contains 2 double-words (8 bytes) for
149  * element storage.  And 64-bit dma element is 3 double-words (12 bytes) in
150  * size. IEEE 64-bit dma element used for SAS3 controllers is 4 double-words
151  * (16 bytes).
152  */
153 #define	MPTSAS_MAX_FRAME_SGES64(mpt) \
154 	((mpt->m_req_frame_size - \
155 	sizeof (MPI2_SCSI_IO_REQUEST) + sizeof (MPI2_SGE_IO_UNION)) / \
156 	MPTSAS_SGE_SIZE(mpt))
157 
158 /*
159  * Scatter-gather list structure defined by HBA hardware
160  */
161 typedef	struct NcrTableIndirect {	/* Table Indirect entries */
162 	uint32_t count;		/* 24 bit count */
163 	union {
164 		uint32_t address32;	/* 32 bit address */
165 		struct {
166 			uint32_t Low;
167 			uint32_t High;
168 		} address64;		/* 64 bit address */
169 	} addr;
170 } mptti_t;
171 
172 /*
173  * preferred pkt_private length in 64-bit quantities
174  */
175 #ifdef	_LP64
176 #define	PKT_PRIV_SIZE	2
177 #define	PKT_PRIV_LEN	16	/* in bytes */
178 #else /* _ILP32 */
179 #define	PKT_PRIV_SIZE	1
180 #define	PKT_PRIV_LEN	8	/* in bytes */
181 #endif
182 
183 #define	PKT2CMD(pkt)	((struct mptsas_cmd *)((pkt)->pkt_ha_private))
184 #define	CMD2PKT(cmdp)	((struct scsi_pkt *)((cmdp)->cmd_pkt))
185 #define	EXTCMDS_STATUS_SIZE (sizeof (struct scsi_arq_status))
186 
187 /*
188  * get offset of item in structure
189  */
190 #define	MPTSAS_GET_ITEM_OFF(type, member) ((size_t)(&((type *)0)->member))
191 
192 /*
193  * WWID provided by LSI firmware is generated by firmware but the WWID is not
194  * IEEE NAA standard format, OBP has no chance to distinguish format of unit
195  * address. According LSI's confirmation, the top nibble of RAID WWID is
196  * meanless, so the consensus between Solaris and OBP is to replace top nibble
197  * of WWID provided by LSI to "3" always to hint OBP that this is a RAID WWID
198  * format unit address.
199  */
200 #define	MPTSAS_RAID_WWID(wwid) \
201 	((wwid & 0x0FFFFFFFFFFFFFFF) | 0x3000000000000000)
202 
203 typedef struct mptsas_target_addr {
204 	uint64_t mta_wwn;
205 	mptsas_phymask_t mta_phymask;
206 } mptsas_target_addr_t;
207 
208 TAILQ_HEAD(mptsas_active_cmdq, mptsas_cmd);
209 typedef struct mptsas_active_cmdq mptsas_active_cmdq_t;
210 
211 typedef	struct mptsas_target {
212 		mptsas_target_addr_t	m_addr;
213 		refhash_link_t		m_link;
214 		uint8_t			m_dr_flag;
215 		uint16_t		m_devhdl;
216 		uint32_t		m_deviceinfo;
217 		uint8_t			m_phynum;
218 		uint32_t		m_dups;
219 		mptsas_active_cmdq_t	m_active_cmdq;
220 		int32_t			m_t_throttle;
221 		int32_t			m_t_ncmds;
222 		int32_t			m_reset_delay;
223 		int32_t			m_t_nwait;
224 
225 		uint16_t		m_qfull_retry_interval;
226 		uint8_t			m_qfull_retries;
227 		uint16_t		m_io_flags;
228 		uint16_t		m_enclosure;
229 		uint16_t		m_slot_num;
230 		uint32_t		m_tgt_unconfigured;
231 } mptsas_target_t;
232 
233 /*
234  * If you change this structure, be sure that mptsas_smp_target_copy()
235  * does the right thing.
236  */
237 typedef struct mptsas_smp {
238 	mptsas_target_addr_t	m_addr;
239 	refhash_link_t		m_link;
240 	uint16_t		m_devhdl;
241 	uint32_t		m_deviceinfo;
242 	uint16_t		m_pdevhdl;
243 	uint32_t		m_pdevinfo;
244 } mptsas_smp_t;
245 
246 /*
247  * This represents a single enclosure. Targets point to an enclosure through
248  * their m_enclosure member.
249  */
250 typedef struct mptsas_enclosure {
251 	list_node_t	me_link;
252 	uint16_t	me_enchdl;
253 	uint16_t	me_flags;
254 	uint16_t	me_nslots;
255 	uint16_t	me_fslot;
256 	uint8_t		*me_slotleds;
257 } mptsas_enclosure_t;
258 
259 typedef struct mptsas_cache_frames {
260 	ddi_dma_handle_t m_dma_hdl;
261 	ddi_acc_handle_t m_acc_hdl;
262 	caddr_t m_frames_addr;
263 	uint64_t m_phys_addr;
264 } mptsas_cache_frames_t;
265 
266 typedef struct	mptsas_cmd {
267 	uint_t			cmd_flags;	/* flags from scsi_init_pkt */
268 	ddi_dma_handle_t	cmd_dmahandle;	/* dma handle */
269 	ddi_dma_cookie_t	cmd_cookie;
270 	uint_t			cmd_cookiec;
271 	uint_t			cmd_winindex;
272 	uint_t			cmd_nwin;
273 	uint_t			cmd_cur_cookie;
274 	off_t			cmd_dma_offset;
275 	size_t			cmd_dma_len;
276 	uint32_t		cmd_totaldmacount;
277 	caddr_t			cmd_arq_buf;
278 
279 	int			cmd_pkt_flags;
280 
281 	/* pending expiration time for command in active slot */
282 	hrtime_t		cmd_active_expiration;
283 	TAILQ_ENTRY(mptsas_cmd)	cmd_active_link;
284 
285 	struct scsi_pkt		*cmd_pkt;
286 	struct scsi_arq_status	cmd_scb;
287 	uchar_t			cmd_cdblen;	/* length of cdb */
288 	uchar_t			cmd_rqslen;	/* len of requested rqsense */
289 	uchar_t			cmd_privlen;
290 	uint16_t		cmd_extrqslen;	/* len of extended rqsense */
291 	uint16_t		cmd_extrqschunks; /* len in map chunks */
292 	uint16_t		cmd_extrqsidx;	/* Index into map */
293 	uint_t			cmd_scblen;
294 	uint32_t		cmd_dmacount;
295 	uint64_t		cmd_dma_addr;
296 	uchar_t			cmd_age;
297 	ushort_t		cmd_qfull_retries;
298 	uchar_t			cmd_queued;	/* true if queued */
299 	struct mptsas_cmd	*cmd_linkp;
300 	mptti_t			*cmd_sg; /* Scatter/Gather structure */
301 	uchar_t			cmd_cdb[SCSI_CDB_SIZE];
302 	uint64_t		cmd_pkt_private[PKT_PRIV_LEN];
303 	uint32_t		cmd_slot;
304 	uint32_t		ioc_cmd_slot;
305 
306 	mptsas_cache_frames_t	*cmd_extra_frames;
307 
308 	uint32_t		cmd_rfm;
309 	mptsas_target_t		*cmd_tgt_addr;
310 } mptsas_cmd_t;
311 
312 /*
313  * These are the defined cmd_flags for this structure.
314  */
315 #define	CFLAG_CMDDISC		0x000001 /* cmd currently disconnected */
316 #define	CFLAG_WATCH		0x000002 /* watchdog time for this command */
317 #define	CFLAG_FINISHED		0x000004 /* command completed */
318 #define	CFLAG_CHKSEG		0x000008 /* check cmd_data within seg */
319 #define	CFLAG_COMPLETED		0x000010 /* completion routine called */
320 #define	CFLAG_PREPARED		0x000020 /* pkt has been init'ed */
321 #define	CFLAG_IN_TRANSPORT	0x000040 /* in use by host adapter driver */
322 #define	CFLAG_RESTORE_PTRS	0x000080 /* implicit restore ptr on reconnect */
323 #define	CFLAG_ARQ_IN_PROGRESS	0x000100 /* auto request sense in progress */
324 #define	CFLAG_TRANFLAG		0x0001ff /* covers transport part of flags */
325 #define	CFLAG_TM_CMD		0x000200 /* cmd is a task management command */
326 #define	CFLAG_CMDARQ		0x000400 /* cmd is a 'rqsense' command */
327 #define	CFLAG_DMAVALID		0x000800 /* dma mapping valid */
328 #define	CFLAG_DMASEND		0x001000 /* data is going 'out' */
329 #define	CFLAG_CMDIOPB		0x002000 /* this is an 'iopb' packet */
330 #define	CFLAG_CDBEXTERN		0x004000 /* cdb kmem_alloc'd */
331 #define	CFLAG_SCBEXTERN		0x008000 /* scb kmem_alloc'd */
332 #define	CFLAG_FREE		0x010000 /* packet is on free list */
333 #define	CFLAG_PRIVEXTERN	0x020000 /* target private kmem_alloc'd */
334 #define	CFLAG_DMA_PARTIAL	0x040000 /* partial xfer OK */
335 #define	CFLAG_QFULL_STATUS	0x080000 /* pkt got qfull status */
336 #define	CFLAG_TIMEOUT		0x100000 /* passthru/config command timeout */
337 #define	CFLAG_PMM_RECEIVED	0x200000 /* use cmd_pmm* for saving pointers */
338 #define	CFLAG_RETRY		0x400000 /* cmd has been retried */
339 #define	CFLAG_CMDIOC		0x800000 /* cmd is just for for ioc, no io */
340 #define	CFLAG_PASSTHRU		0x2000000 /* cmd is a passthrough command */
341 #define	CFLAG_XARQ		0x4000000 /* cmd requests for extra sense */
342 #define	CFLAG_CMDACK		0x8000000 /* cmd for event ack */
343 #define	CFLAG_TXQ		0x10000000 /* cmd queued in the tx_waitq */
344 #define	CFLAG_FW_CMD		0x20000000 /* cmd is a fw up/down command */
345 #define	CFLAG_CONFIG		0x40000000 /* cmd is for config header/page */
346 #define	CFLAG_FW_DIAG		0x80000000 /* cmd is for FW diag buffers */
347 
348 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_SIZE			8
349 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_MASK			0xC0
350 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_PERIPHERAL			0x00
351 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_FLAT_SPACE			0x40
352 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT		0x80
353 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_EXTENDED_UNIT		0xC0
354 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_2B		0x00
355 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_4B		0x01
356 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_6B		0x10
357 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_8B		0x20
358 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_SIZE		0x30
359 
360 #define	MPTSAS_HASH_ARRAY_SIZE	16
361 /*
362  * hash table definition
363  */
364 
365 #define	MPTSAS_HASH_FIRST	0xffff
366 #define	MPTSAS_HASH_NEXT	0x0000
367 
368 typedef struct mptsas_dma_alloc_state
369 {
370 	ddi_dma_handle_t	handle;
371 	caddr_t			memp;
372 	size_t			size;
373 	ddi_acc_handle_t	accessp;
374 	ddi_dma_cookie_t	cookie;
375 } mptsas_dma_alloc_state_t;
376 
377 /*
378  * passthrough request structure
379  */
380 typedef struct mptsas_pt_request {
381 	uint8_t *request;
382 	uint32_t request_size;
383 	uint32_t data_size;
384 	uint32_t dataout_size;
385 	uint32_t direction;
386 	uint8_t simple;
387 	uint16_t sgl_offset;
388 	ddi_dma_cookie_t data_cookie;
389 	ddi_dma_cookie_t dataout_cookie;
390 } mptsas_pt_request_t;
391 
392 /*
393  * config page request structure
394  */
395 typedef struct mptsas_config_request {
396 	uint32_t	page_address;
397 	uint8_t		action;
398 	uint8_t		page_type;
399 	uint8_t		page_number;
400 	uint8_t		page_length;
401 	uint8_t		page_version;
402 	uint8_t		ext_page_type;
403 	uint16_t	ext_page_length;
404 } mptsas_config_request_t;
405 
406 typedef struct mptsas_fw_diagnostic_buffer {
407 	mptsas_dma_alloc_state_t	buffer_data;
408 	uint8_t				extended_type;
409 	uint8_t				buffer_type;
410 	uint8_t				force_release;
411 	uint32_t			product_specific[23];
412 	uint8_t				immediate;
413 	uint8_t				enabled;
414 	uint8_t				valid_data;
415 	uint8_t				owned_by_firmware;
416 	uint32_t			unique_id;
417 } mptsas_fw_diagnostic_buffer_t;
418 
419 /*
420  * FW diag request structure
421  */
422 typedef struct mptsas_diag_request {
423 	mptsas_fw_diagnostic_buffer_t	*pBuffer;
424 	uint8_t				function;
425 } mptsas_diag_request_t;
426 
427 typedef struct mptsas_hash_node {
428 	void *data;
429 	struct mptsas_hash_node *next;
430 } mptsas_hash_node_t;
431 
432 typedef struct mptsas_hash_table {
433 	struct mptsas_hash_node *head[MPTSAS_HASH_ARRAY_SIZE];
434 	/*
435 	 * last position in traverse
436 	 */
437 	struct mptsas_hash_node *cur;
438 	uint16_t line;
439 
440 } mptsas_hash_table_t;
441 
442 /*
443  * RAID volume information
444  */
445 typedef struct mptsas_raidvol {
446 	ushort_t	m_israid;
447 	uint16_t	m_raidhandle;
448 	uint64_t	m_raidwwid;
449 	uint8_t		m_state;
450 	uint32_t	m_statusflags;
451 	uint32_t	m_settings;
452 	uint16_t	m_devhdl[MPTSAS_MAX_DISKS_IN_VOL];
453 	uint8_t		m_disknum[MPTSAS_MAX_DISKS_IN_VOL];
454 	ushort_t	m_diskstatus[MPTSAS_MAX_DISKS_IN_VOL];
455 	uint64_t	m_raidsize;
456 	int		m_raidlevel;
457 	int		m_ndisks;
458 	mptsas_target_t	*m_raidtgt;
459 } mptsas_raidvol_t;
460 
461 /*
462  * RAID configurations
463  */
464 typedef struct mptsas_raidconfig {
465 		mptsas_raidvol_t	m_raidvol[MPTSAS_MAX_RAIDVOLS];
466 		uint16_t		m_physdisk_devhdl[
467 					    MPTSAS_MAX_DISKS_IN_CONFIG];
468 		uint8_t			m_native;
469 } m_raidconfig_t;
470 
471 /*
472  * Track outstanding commands.  The index into the m_slot array is the SMID
473  * (system message ID) of the outstanding command.  SMID 0 is reserved by the
474  * software/firmware protocol and is never used for any command we generate;
475  * as such, the assertion m_slot[0] == NULL is universally true.  The last
476  * entry in the array is slot number MPTSAS_TM_SLOT(mpt) and is used ONLY for
477  * task management commands.  No normal SCSI or ATA command will ever occupy
478  * that slot.  Finally, the relationship m_slot[X]->cmd_slot == X holds at any
479  * time that a consistent view of the target array is obtainable.
480  *
481  * As such, m_n_normal is the maximum number of slots available to ordinary
482  * commands, and the relationship:
483  * mpt->m_active->m_n_normal == mpt->m_max_requests - 2
484  * always holds after initialisation.
485  */
486 typedef struct mptsas_slots {
487 	size_t			m_size;		/* size of struct, bytes */
488 	uint_t			m_n_normal;	/* see above */
489 	uint_t			m_rotor;	/* next slot idx to consider */
490 	mptsas_cmd_t		*m_slot[1];
491 } mptsas_slots_t;
492 
493 /*
494  * Structure to hold command and packets for event ack
495  * and task management commands.
496  */
497 typedef struct  m_event_struct {
498 	struct mptsas_cmd		m_event_cmd;
499 	struct m_event_struct	*m_event_linkp;
500 	/*
501 	 * event member record the failure event and eventcntx
502 	 * event member would be used in send ack pending process
503 	 */
504 	uint32_t		m_event;
505 	uint32_t		m_eventcntx;
506 	uint_t			in_use;
507 	struct scsi_pkt		m_event_pkt;	/* must be last */
508 						/* ... scsi_pkt_size() */
509 } m_event_struct_t;
510 #define	M_EVENT_STRUCT_SIZE	(sizeof (m_event_struct_t) - \
511 				sizeof (struct scsi_pkt) + scsi_pkt_size())
512 
513 #define	MAX_IOC_COMMANDS	8
514 
515 /*
516  * A pool of MAX_IOC_COMMANDS is maintained for event ack commands.
517  * A new event ack command requests mptsas_cmd and scsi_pkt structures
518  * from this pool, and returns it back when done.
519  */
520 
521 typedef struct m_replyh_arg {
522 	void *mpt;
523 	uint32_t rfm;
524 } m_replyh_arg_t;
525 _NOTE(DATA_READABLE_WITHOUT_LOCK(m_replyh_arg_t::mpt))
526 _NOTE(DATA_READABLE_WITHOUT_LOCK(m_replyh_arg_t::rfm))
527 
528 /*
529  * Flags for DR handler topology change
530  */
531 #define	MPTSAS_TOPO_FLAG_DIRECT_ATTACHED_DEVICE		0x0
532 #define	MPTSAS_TOPO_FLAG_EXPANDER_ASSOCIATED		0x1
533 #define	MPTSAS_TOPO_FLAG_LUN_ASSOCIATED			0x2
534 #define	MPTSAS_TOPO_FLAG_RAID_ASSOCIATED		0x4
535 #define	MPTSAS_TOPO_FLAG_RAID_PHYSDRV_ASSOCIATED	0x8
536 #define	MPTSAS_TOPO_FLAG_EXPANDER_ATTACHED_DEVICE	0x10
537 
538 typedef struct mptsas_topo_change_list {
539 	void *mpt;
540 	uint_t  event;
541 	union {
542 		uint8_t physport;
543 		mptsas_phymask_t phymask;
544 	} un;
545 	uint16_t devhdl;
546 	void *object;
547 	uint8_t flags;
548 	struct mptsas_topo_change_list *next;
549 } mptsas_topo_change_list_t;
550 
551 
552 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::mpt))
553 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::event))
554 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::physport))
555 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::devhdl))
556 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::object))
557 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::flags))
558 
559 /*
560  * Status types when calling mptsas_get_target_device_info
561  */
562 #define	DEV_INFO_SUCCESS		0x0
563 #define	DEV_INFO_FAIL_PAGE0		0x1
564 #define	DEV_INFO_WRONG_DEVICE_TYPE	0x2
565 #define	DEV_INFO_PHYS_DISK		0x3
566 #define	DEV_INFO_FAIL_ALLOC		0x4
567 #define	DEV_INFO_FAIL_GUID		0x5
568 
569 /*
570  * mpt hotplug event defines
571  */
572 #define	MPTSAS_DR_EVENT_RECONFIG_TARGET	0x01
573 #define	MPTSAS_DR_EVENT_OFFLINE_TARGET	0x02
574 #define	MPTSAS_TOPO_FLAG_REMOVE_HANDLE	0x04
575 
576 /*
577  * SMP target hotplug events
578  */
579 #define	MPTSAS_DR_EVENT_RECONFIG_SMP	0x10
580 #define	MPTSAS_DR_EVENT_OFFLINE_SMP	0x20
581 #define	MPTSAS_DR_EVENT_MASK		0x3F
582 
583 /*
584  * mpt hotplug status definition for m_dr_flag
585  */
586 
587 /*
588  * MPTSAS_DR_INACTIVE
589  *
590  * The target is in a normal operating state.
591  * No dynamic reconfiguration operation is in progress.
592  */
593 #define	MPTSAS_DR_INACTIVE				0x0
594 /*
595  * MPTSAS_DR_INTRANSITION
596  *
597  * The target is in a transition mode since
598  * hotplug event happens and offline procedure has not
599  * been finished
600  */
601 #define	MPTSAS_DR_INTRANSITION			0x1
602 
603 typedef struct mptsas_tgt_private {
604 	int t_lun;
605 	struct mptsas_target *t_private;
606 } mptsas_tgt_private_t;
607 
608 /*
609  * The following defines are used in mptsas_set_init_mode to track the current
610  * state as we progress through reprogramming the HBA from target mode into
611  * initiator mode.
612  */
613 
614 #define	IOUC_READ_PAGE0		0x00000100
615 #define	IOUC_READ_PAGE1		0x00000200
616 #define	IOUC_WRITE_PAGE1	0x00000400
617 #define	IOUC_DONE		0x00000800
618 #define	DISCOVERY_IN_PROGRESS	MPI2_SASIOUNIT0_PORTFLAGS_DISCOVERY_IN_PROGRESS
619 #define	AUTO_PORT_CONFIGURATION	MPI2_SASIOUNIT0_PORTFLAGS_AUTO_PORT_CONFIG
620 
621 /*
622  * Last allocated slot is used for TM requests.  Since only m_max_requests
623  * frames are allocated, the last SMID will be m_max_requests - 1.
624  */
625 #define	MPTSAS_SLOTS_SIZE(mpt) \
626 	(sizeof (struct mptsas_slots) + (sizeof (struct mptsas_cmd *) * \
627 		mpt->m_max_requests))
628 #define	MPTSAS_TM_SLOT(mpt)	(mpt->m_max_requests - 1)
629 
630 /*
631  * Macro for phy_flags
632  */
633 
634 typedef struct smhba_info {
635 	kmutex_t	phy_mutex;
636 	uint8_t		phy_id;
637 	uint64_t	sas_addr;
638 	char		path[8];
639 	uint16_t	owner_devhdl;
640 	uint16_t	attached_devhdl;
641 	uint8_t		attached_phy_identify;
642 	uint32_t	attached_phy_info;
643 	uint8_t		programmed_link_rate;
644 	uint8_t		hw_link_rate;
645 	uint8_t		change_count;
646 	uint32_t	phy_info;
647 	uint8_t		negotiated_link_rate;
648 	uint8_t		port_num;
649 	kstat_t		*phy_stats;
650 	uint32_t	invalid_dword_count;
651 	uint32_t	running_disparity_error_count;
652 	uint32_t	loss_of_dword_sync_count;
653 	uint32_t	phy_reset_problem_count;
654 	void		*mpt;
655 } smhba_info_t;
656 
657 typedef struct mptsas_phy_info {
658 	uint8_t			port_num;
659 	uint8_t			port_flags;
660 	uint16_t		ctrl_devhdl;
661 	uint32_t		phy_device_type;
662 	uint16_t		attached_devhdl;
663 	mptsas_phymask_t	phy_mask;
664 	smhba_info_t		smhba_info;
665 } mptsas_phy_info_t;
666 
667 
668 typedef struct mptsas_doneq_thread_arg {
669 	void		*mpt;
670 	uint64_t	t;
671 } mptsas_doneq_thread_arg_t;
672 
673 #define	MPTSAS_DONEQ_THREAD_ACTIVE	0x1
674 typedef struct mptsas_doneq_thread_list {
675 	mptsas_cmd_t		*doneq;
676 	mptsas_cmd_t		**donetail;
677 	kthread_t		*threadp;
678 	kcondvar_t		cv;
679 	ushort_t		reserv1;
680 	uint32_t		reserv2;
681 	kmutex_t		mutex;
682 	uint32_t		flag;
683 	uint32_t		len;
684 	mptsas_doneq_thread_arg_t	arg;
685 } mptsas_doneq_thread_list_t;
686 
687 typedef struct mptsas {
688 	int		m_instance;
689 
690 	struct mptsas *m_next;
691 
692 	scsi_hba_tran_t		*m_tran;
693 	smp_hba_tran_t		*m_smptran;
694 	kmutex_t		m_mutex;
695 	kmutex_t		m_passthru_mutex;
696 	kcondvar_t		m_cv;
697 	kcondvar_t		m_passthru_cv;
698 	kcondvar_t		m_fw_cv;
699 	kcondvar_t		m_config_cv;
700 	kcondvar_t		m_fw_diag_cv;
701 	dev_info_t		*m_dip;
702 
703 	/*
704 	 * soft state flags
705 	 */
706 	uint_t		m_softstate;
707 
708 	refhash_t	*m_targets;
709 	refhash_t	*m_smp_targets;
710 	list_t		m_enclosures;
711 	refhash_t	*m_tmp_targets;
712 
713 	m_raidconfig_t	m_raidconfig[MPTSAS_MAX_RAIDCONFIGS];
714 	uint8_t		m_num_raid_configs;
715 
716 	struct mptsas_slots *m_active;	/* outstanding cmds */
717 
718 	mptsas_cmd_t	*m_waitq;	/* cmd queue for active request */
719 	mptsas_cmd_t	**m_waitqtail;	/* wait queue tail ptr */
720 
721 	kmutex_t	m_tx_waitq_mutex;
722 	mptsas_cmd_t	*m_tx_waitq;	/* TX cmd queue for active request */
723 	mptsas_cmd_t	**m_tx_waitqtail;	/* tx_wait queue tail ptr */
724 	int		m_tx_draining;	/* TX queue draining flag */
725 
726 	mptsas_cmd_t	*m_doneq;	/* queue of completed commands */
727 	mptsas_cmd_t	**m_donetail;	/* queue tail ptr */
728 
729 	/*
730 	 * variables for helper threads (fan-out interrupts)
731 	 */
732 	mptsas_doneq_thread_list_t	*m_doneq_thread_id;
733 	uint32_t		m_doneq_thread_n;
734 	uint32_t		m_doneq_thread_threshold;
735 	uint32_t		m_doneq_length_threshold;
736 	uint32_t		m_doneq_len;
737 	kcondvar_t		m_doneq_thread_cv;
738 	kmutex_t		m_doneq_mutex;
739 
740 	int		m_ncmds;	/* number of outstanding commands */
741 	m_event_struct_t *m_ioc_event_cmdq;	/* cmd queue for ioc event */
742 	m_event_struct_t **m_ioc_event_cmdtail;	/* ioc cmd queue tail */
743 
744 	ddi_acc_handle_t m_datap;	/* operating regs data access handle */
745 
746 	struct _MPI2_SYSTEM_INTERFACE_REGS	*m_reg;
747 
748 	ushort_t	m_devid;	/* device id of chip. */
749 	uchar_t		m_revid;	/* revision of chip. */
750 	uint16_t	m_svid;		/* subsystem Vendor ID of chip */
751 	uint16_t	m_ssid;		/* subsystem Device ID of chip */
752 
753 	uchar_t		m_sync_offset;	/* default offset for this chip. */
754 
755 	timeout_id_t	m_quiesce_timeid;
756 
757 	ddi_dma_handle_t m_dma_req_frame_hdl;
758 	ddi_acc_handle_t m_acc_req_frame_hdl;
759 	ddi_dma_handle_t m_dma_req_sense_hdl;
760 	ddi_acc_handle_t m_acc_req_sense_hdl;
761 	ddi_dma_handle_t m_dma_reply_frame_hdl;
762 	ddi_acc_handle_t m_acc_reply_frame_hdl;
763 	ddi_dma_handle_t m_dma_free_queue_hdl;
764 	ddi_acc_handle_t m_acc_free_queue_hdl;
765 	ddi_dma_handle_t m_dma_post_queue_hdl;
766 	ddi_acc_handle_t m_acc_post_queue_hdl;
767 
768 	/*
769 	 * list of reset notification requests
770 	 */
771 	struct scsi_reset_notify_entry	*m_reset_notify_listf;
772 
773 	/*
774 	 * qfull handling
775 	 */
776 	timeout_id_t	m_restart_cmd_timeid;
777 
778 	/*
779 	 * scsi	reset delay per	bus
780 	 */
781 	uint_t		m_scsi_reset_delay;
782 
783 	int		m_pm_idle_delay;
784 
785 	uchar_t		m_polled_intr;	/* intr was polled. */
786 	uchar_t		m_suspended;	/* true	if driver is suspended */
787 
788 	struct kmem_cache *m_kmem_cache;
789 	struct kmem_cache *m_cache_frames;
790 
791 	/*
792 	 * hba options.
793 	 */
794 	uint_t		m_options;
795 
796 	int		m_in_callback;
797 
798 	int		m_power_level;	/* current power level */
799 
800 	int		m_busy;		/* power management busy state */
801 
802 	off_t		m_pmcsr_offset; /* PMCSR offset */
803 
804 	ddi_acc_handle_t m_config_handle;
805 
806 	ddi_dma_attr_t		m_io_dma_attr;	/* Used for data I/O */
807 	ddi_dma_attr_t		m_msg_dma_attr; /* Used for message frames */
808 	ddi_device_acc_attr_t	m_dev_acc_attr;
809 	ddi_device_acc_attr_t	m_reg_acc_attr;
810 
811 	/*
812 	 * request/reply variables
813 	 */
814 	caddr_t		m_req_frame;
815 	uint64_t	m_req_frame_dma_addr;
816 	caddr_t		m_req_sense;
817 	caddr_t		m_extreq_sense;
818 	uint_t		m_extreq_sense_refcount;
819 	kcondvar_t	m_extreq_sense_refcount_cv;
820 	uint64_t	m_req_sense_dma_addr;
821 	caddr_t		m_reply_frame;
822 	uint64_t	m_reply_frame_dma_addr;
823 	caddr_t		m_free_queue;
824 	uint64_t	m_free_queue_dma_addr;
825 	caddr_t		m_post_queue;
826 	uint64_t	m_post_queue_dma_addr;
827 	struct map	*m_erqsense_map;
828 
829 	m_replyh_arg_t *m_replyh_args;
830 
831 	uint16_t	m_max_requests;
832 	uint16_t	m_req_frame_size;
833 	uint16_t	m_req_sense_size;
834 
835 	/*
836 	 * Max frames per request reprted in IOC Facts
837 	 */
838 	uint8_t		m_max_chain_depth;
839 	/*
840 	 * Max frames per request which is used in reality. It's adjusted
841 	 * according DMA SG length attribute, and shall not exceed the
842 	 * m_max_chain_depth.
843 	 */
844 	uint8_t		m_max_request_frames;
845 
846 	uint16_t	m_free_queue_depth;
847 	uint16_t	m_post_queue_depth;
848 	uint16_t	m_max_replies;
849 	uint32_t	m_free_index;
850 	uint32_t	m_post_index;
851 	uint8_t		m_reply_frame_size;
852 	uint32_t	m_ioc_capabilities;
853 
854 	/*
855 	 * indicates if the firmware was upload by the driver
856 	 * at boot time
857 	 */
858 	ushort_t	m_fwupload;
859 
860 	uint16_t	m_productid;
861 
862 	/*
863 	 * per instance data structures for dma memory resources for
864 	 * MPI handshake protocol. only one handshake cmd can run at a time.
865 	 */
866 	ddi_dma_handle_t	m_hshk_dma_hdl;
867 	ddi_acc_handle_t	m_hshk_acc_hdl;
868 	caddr_t			m_hshk_memp;
869 	size_t			m_hshk_dma_size;
870 
871 	/* Firmware version on the card at boot time */
872 	uint32_t		m_fwversion;
873 
874 	/* MSI specific fields */
875 	ddi_intr_handle_t	*m_htable;	/* For array of interrupts */
876 	int			m_intr_type;	/* What type of interrupt */
877 	int			m_intr_cnt;	/* # of intrs count returned */
878 	size_t			m_intr_size;    /* Size of intr array */
879 	uint_t			m_intr_pri;	/* Interrupt priority   */
880 	int			m_intr_cap;	/* Interrupt capabilities */
881 	ddi_taskq_t		*m_event_taskq;
882 
883 	/* SAS specific information */
884 
885 	union {
886 		uint64_t	m_base_wwid;	/* Base WWID */
887 		struct {
888 #ifdef _BIG_ENDIAN
889 			uint32_t	m_base_wwid_hi;
890 			uint32_t	m_base_wwid_lo;
891 #else
892 			uint32_t	m_base_wwid_lo;
893 			uint32_t	m_base_wwid_hi;
894 #endif
895 		} sasaddr;
896 	} un;
897 
898 	uint8_t			m_num_phys;		/* # of PHYs */
899 	mptsas_phy_info_t	m_phy_info[MPTSAS_MAX_PHYS];
900 	uint8_t			m_port_chng;	/* initiator port changes */
901 	MPI2_CONFIG_PAGE_MAN_0   m_MANU_page0;   /* Manufactor page 0 info */
902 	MPI2_CONFIG_PAGE_MAN_1   m_MANU_page1;   /* Manufactor page 1 info */
903 
904 	/* FMA Capabilities */
905 	int			m_fm_capabilities;
906 	ddi_taskq_t		*m_dr_taskq;
907 	int			m_mpxio_enable;
908 	uint8_t			m_done_traverse_dev;
909 	uint8_t			m_done_traverse_smp;
910 	uint8_t			m_done_traverse_enc;
911 	int			m_diag_action_in_progress;
912 	uint16_t		m_dev_handle;
913 	uint16_t		m_smp_devhdl;
914 
915 	/* DDI UFM Handle */
916 	ddi_ufm_handle_t	*m_ufmh;
917 
918 	/*
919 	 * Event recording
920 	 */
921 	uint8_t			m_event_index;
922 	uint32_t		m_event_number;
923 	uint32_t		m_event_mask[4];
924 	mptsas_event_entry_t	m_events[MPTSAS_EVENT_QUEUE_SIZE];
925 
926 	/*
927 	 * FW diag Buffer List
928 	 */
929 	mptsas_fw_diagnostic_buffer_t
930 		m_fw_diag_buffer_list[MPI2_DIAG_BUF_TYPE_COUNT];
931 
932 	/* IOC type flags */
933 	uint8_t			m_is_sea_ioc;
934 	uint8_t			m_is_gen35_ioc;
935 
936 	/* GEN3 support */
937 	uint8_t			m_MPI25;
938 
939 	/*
940 	 * Event Replay flag (MUR support)
941 	 */
942 	uint8_t			m_event_replay;
943 
944 	/*
945 	 * IR Capable flag
946 	 */
947 	uint8_t			m_ir_capable;
948 
949 	/*
950 	 * Is HBA processing a diag reset?
951 	 */
952 	uint8_t			m_in_reset;
953 
954 	/*
955 	 * index for the pci memory BAR
956 	 */
957 	uint8_t			m_mem_bar;
958 
959 	/*
960 	 * per instance cmd data structures for task management cmds
961 	 */
962 	m_event_struct_t	m_event_task_mgmt;	/* must be last */
963 							/* ... scsi_pkt_size */
964 } mptsas_t;
965 #define	MPTSAS_SIZE	(sizeof (struct mptsas) - \
966 			sizeof (struct scsi_pkt) + scsi_pkt_size())
967 /*
968  * Only one of below two conditions is satisfied, we
969  * think the target is associated to the iport and
970  * allow call into mptsas_probe_lun().
971  * 1. physicalsport == physport
972  * 2. (phymask & (1 << physport)) == 0
973  * The condition #2 is because LSI uses lowest PHY
974  * number as the value of physical port when auto port
975  * configuration.
976  */
977 #define	IS_SAME_PORT(physicalport, physport, phymask, dynamicport) \
978 	((physicalport == physport) || (dynamicport && (phymask & \
979 	(1 << physport))))
980 
981 _NOTE(MUTEX_PROTECTS_DATA(mptsas::m_mutex, mptsas))
982 _NOTE(SCHEME_PROTECTS_DATA("safe sharing", mptsas::m_next))
983 _NOTE(SCHEME_PROTECTS_DATA("stable data", mptsas::m_dip mptsas::m_tran))
984 _NOTE(SCHEME_PROTECTS_DATA("stable data", mptsas::m_kmem_cache))
985 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_io_dma_attr.dma_attr_sgllen))
986 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_devid))
987 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_productid))
988 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_mpxio_enable))
989 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_instance))
990 
991 /*
992  * These should eventually migrate into the mpt header files
993  * that may become the /kernel/misc/mpt module...
994  */
995 #define	mptsas_init_std_hdr(hdl, mp, DevHandle, Lun, ChainOffset, Function) \
996 	mptsas_put_msg_DevHandle(hdl, mp, DevHandle); \
997 	mptsas_put_msg_ChainOffset(hdl, mp, ChainOffset); \
998 	mptsas_put_msg_Function(hdl, mp, Function); \
999 	mptsas_put_msg_Lun(hdl, mp, Lun)
1000 
1001 #define	mptsas_put_msg_DevHandle(hdl, mp, val) \
1002 	ddi_put16(hdl, &(mp)->DevHandle, (val))
1003 #define	mptsas_put_msg_ChainOffset(hdl, mp, val) \
1004 	ddi_put8(hdl, &(mp)->ChainOffset, (val))
1005 #define	mptsas_put_msg_Function(hdl, mp, val) \
1006 	ddi_put8(hdl, &(mp)->Function, (val))
1007 #define	mptsas_put_msg_Lun(hdl, mp, val) \
1008 	ddi_put8(hdl, &(mp)->LUN[1], (val))
1009 
1010 #define	mptsas_get_msg_Function(hdl, mp) \
1011 	ddi_get8(hdl, &(mp)->Function)
1012 
1013 #define	mptsas_get_msg_MsgFlags(hdl, mp) \
1014 	ddi_get8(hdl, &(mp)->MsgFlags)
1015 
1016 #define	MPTSAS_ENABLE_DRWE(hdl) \
1017 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
1018 		MPI2_WRSEQ_FLUSH_KEY_VALUE); \
1019 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
1020 		MPI2_WRSEQ_1ST_KEY_VALUE); \
1021 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
1022 		MPI2_WRSEQ_2ND_KEY_VALUE); \
1023 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
1024 		MPI2_WRSEQ_3RD_KEY_VALUE); \
1025 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
1026 		MPI2_WRSEQ_4TH_KEY_VALUE); \
1027 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
1028 		MPI2_WRSEQ_5TH_KEY_VALUE); \
1029 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
1030 		MPI2_WRSEQ_6TH_KEY_VALUE);
1031 
1032 /*
1033  * m_options flags
1034  */
1035 #define	MPTSAS_OPT_PM		0x01	/* Power Management */
1036 
1037 /*
1038  * m_softstate flags
1039  */
1040 #define	MPTSAS_SS_DRAINING		0x02
1041 #define	MPTSAS_SS_QUIESCED		0x04
1042 #define	MPTSAS_SS_MSG_UNIT_RESET	0x08
1043 #define	MPTSAS_DID_MSG_UNIT_RESET	0x10
1044 
1045 /*
1046  * regspec defines.
1047  */
1048 #define	CONFIG_SPACE	0	/* regset[0] - configuration space */
1049 #define	IO_SPACE	1	/* regset[1] - used for i/o mapped device */
1050 #define	MEM_SPACE	2	/* regset[2] - used for memory mapped device */
1051 #define	BASE_REG2	3	/* regset[3] - used for 875 scripts ram */
1052 
1053 /*
1054  * Handy constants
1055  */
1056 #define	FALSE		0
1057 #define	TRUE		1
1058 #define	UNDEFINED	-1
1059 #define	FAILED		-2
1060 
1061 /*
1062  * power management.
1063  */
1064 #define	MPTSAS_POWER_ON(mpt) { \
1065 	pci_config_put16(mpt->m_config_handle, mpt->m_pmcsr_offset, \
1066 	    PCI_PMCSR_D0); \
1067 	delay(drv_usectohz(10000)); \
1068 	(void) pci_restore_config_regs(mpt->m_dip); \
1069 	mptsas_setup_cmd_reg(mpt); \
1070 }
1071 
1072 #define	MPTSAS_POWER_OFF(mpt) { \
1073 	(void) pci_save_config_regs(mpt->m_dip); \
1074 	pci_config_put16(mpt->m_config_handle, mpt->m_pmcsr_offset, \
1075 	    PCI_PMCSR_D3HOT); \
1076 	mpt->m_power_level = PM_LEVEL_D3; \
1077 }
1078 
1079 /*
1080  * inq_dtype:
1081  * Bits 5 through 7 are the Peripheral Device Qualifier
1082  * 001b: device not connected to the LUN
1083  * Bits 0 through 4 are the Peripheral Device Type
1084  * 1fh: Unknown or no device type
1085  *
1086  * Although the inquiry may return success, the following value
1087  * means no valid LUN connected.
1088  */
1089 #define	MPTSAS_VALID_LUN(sd_inq) \
1090 	(((sd_inq->inq_dtype & 0xe0) != 0x20) && \
1091 	((sd_inq->inq_dtype & 0x1f) != 0x1f))
1092 
1093 /*
1094  * Default is to have 10 retries on receiving QFULL status and
1095  * each retry to be after 100 ms.
1096  */
1097 #define	QFULL_RETRIES		10
1098 #define	QFULL_RETRY_INTERVAL	100
1099 
1100 /*
1101  * Handy macros
1102  */
1103 #define	Tgt(sp)	((sp)->cmd_pkt->pkt_address.a_target)
1104 #define	Lun(sp)	((sp)->cmd_pkt->pkt_address.a_lun)
1105 
1106 #define	IS_HEX_DIGIT(n)	(((n) >= '0' && (n) <= '9') || \
1107 	((n) >= 'a' && (n) <= 'f') || ((n) >= 'A' && (n) <= 'F'))
1108 
1109 /*
1110  * poll time for mptsas_pollret() and mptsas_wait_intr()
1111  */
1112 #define	MPTSAS_POLL_TIME	30000	/* 30 seconds */
1113 
1114 /*
1115  * default time for mptsas_do_passthru
1116  */
1117 #define	MPTSAS_PASS_THRU_TIME_DEFAULT	60	/* 60 seconds */
1118 
1119 /*
1120  * macro to return the effective address of a given per-target field
1121  */
1122 #define	EFF_ADDR(start, offset)		((start) + (offset))
1123 
1124 #define	SDEV2ADDR(devp)		(&((devp)->sd_address))
1125 #define	SDEV2TRAN(devp)		((devp)->sd_address.a_hba_tran)
1126 #define	PKT2TRAN(pkt)		((pkt)->pkt_address.a_hba_tran)
1127 #define	ADDR2TRAN(ap)		((ap)->a_hba_tran)
1128 #define	DIP2TRAN(dip)		(ddi_get_driver_private(dip))
1129 
1130 
1131 #define	TRAN2MPT(hba)		((mptsas_t *)(hba)->tran_hba_private)
1132 #define	DIP2MPT(dip)		(TRAN2MPT((scsi_hba_tran_t *)DIP2TRAN(dip)))
1133 #define	SDEV2MPT(sd)		(TRAN2MPT(SDEV2TRAN(sd)))
1134 #define	PKT2MPT(pkt)		(TRAN2MPT(PKT2TRAN(pkt)))
1135 
1136 #define	ADDR2MPT(ap)		(TRAN2MPT(ADDR2TRAN(ap)))
1137 
1138 #define	POLL_TIMEOUT		(2 * SCSI_POLL_TIMEOUT * 1000000)
1139 #define	SHORT_POLL_TIMEOUT	(1000000)	/* in usec, about 1 secs */
1140 #define	MPTSAS_QUIESCE_TIMEOUT	1		/* 1 sec */
1141 #define	MPTSAS_PM_IDLE_TIMEOUT	60		/* 60 seconds */
1142 
1143 #define	MPTSAS_GET_ISTAT(mpt)  (mptsas_hirrd((mpt), \
1144 			&(mpt)->m_reg->HostInterruptStatus))
1145 
1146 #define	MPTSAS_SET_SIGP(P) \
1147 		ClrSetBits(mpt->m_devaddr + NREG_ISTAT, 0, NB_ISTAT_SIGP)
1148 
1149 #define	MPTSAS_RESET_SIGP(P) (void) ddi_get8(mpt->m_datap, \
1150 			(uint8_t *)(mpt->m_devaddr + NREG_CTEST2))
1151 
1152 #define	MPTSAS_GET_INTCODE(P) (mptsas_hirrd(mpt, \
1153 			(uint32_t *)(mpt->m_devaddr + NREG_DSPS)))
1154 
1155 
1156 #define	MPTSAS_START_CMD(mpt, req_desc) \
1157 	ddi_put32(mpt->m_datap, &mpt->m_reg->RequestDescriptorPostLow,	\
1158 	    req_desc & 0xffffffffu);					\
1159 	ddi_put32(mpt->m_datap, &mpt->m_reg->RequestDescriptorPostHigh,	\
1160 	    (req_desc >> 32) & 0xffffffffu);
1161 
1162 #define	INTPENDING(mpt) \
1163 	(MPTSAS_GET_ISTAT(mpt) & MPI2_HIS_REPLY_DESCRIPTOR_INTERRUPT)
1164 
1165 /*
1166  * Mask all interrupts to disable
1167  */
1168 #define	MPTSAS_DISABLE_INTR(mpt)	\
1169 	ddi_put32((mpt)->m_datap, &(mpt)->m_reg->HostInterruptMask, \
1170 	    (MPI2_HIM_RIM | MPI2_HIM_DIM | MPI2_HIM_RESET_IRQ_MASK))
1171 
1172 /*
1173  * Mask Doorbell and Reset interrupts to enable reply desc int.
1174  */
1175 #define	MPTSAS_ENABLE_INTR(mpt)	\
1176 	ddi_put32(mpt->m_datap, &mpt->m_reg->HostInterruptMask, \
1177 	(MPI2_HIM_DIM | MPI2_HIM_RESET_IRQ_MASK))
1178 
1179 #define	MPTSAS_GET_NEXT_REPLY(mpt, index)  \
1180 	&((uint64_t *)(void *)mpt->m_post_queue)[index]
1181 
1182 #define	MPTSAS_GET_NEXT_FRAME(mpt, SMID) \
1183 	(mpt->m_req_frame + (mpt->m_req_frame_size * SMID))
1184 
1185 #define	ClrSetBits32(hdl, reg, clr, set) \
1186 	ddi_put32(hdl, (reg), \
1187 	    ((mptsas_hirrd(mpt, (reg)) & ~(clr)) | (set)))
1188 
1189 #define	ClrSetBits(reg, clr, set) \
1190 	ddi_put8(mpt->m_datap, (uint8_t *)(reg), \
1191 		((ddi_get8(mpt->m_datap, (uint8_t *)(reg)) & ~(clr)) | (set)))
1192 
1193 #define	MPTSAS_WAITQ_RM(mpt, cmdp)	\
1194 	if ((cmdp = mpt->m_waitq) != NULL) { \
1195 		/* If the queue is now empty fix the tail pointer */	\
1196 		if ((mpt->m_waitq = cmdp->cmd_linkp) == NULL) \
1197 			mpt->m_waitqtail = &mpt->m_waitq; \
1198 		cmdp->cmd_linkp = NULL; \
1199 		cmdp->cmd_queued = FALSE; \
1200 	}
1201 
1202 #define	MPTSAS_TX_WAITQ_RM(mpt, cmdp)	\
1203 	if ((cmdp = mpt->m_tx_waitq) != NULL) { \
1204 		/* If the queue is now empty fix the tail pointer */	\
1205 		if ((mpt->m_tx_waitq = cmdp->cmd_linkp) == NULL) \
1206 			mpt->m_tx_waitqtail = &mpt->m_tx_waitq; \
1207 		cmdp->cmd_linkp = NULL; \
1208 		cmdp->cmd_queued = FALSE; \
1209 	}
1210 
1211 /*
1212  * defaults for	the global properties
1213  */
1214 #define	DEFAULT_SCSI_OPTIONS	SCSI_OPTIONS_DR
1215 #define	DEFAULT_TAG_AGE_LIMIT	2
1216 #define	DEFAULT_WD_TICK		1
1217 
1218 /*
1219  * invalid hostid.
1220  */
1221 #define	MPTSAS_INVALID_HOSTID  -1
1222 
1223 /*
1224  * Get/Set hostid from SCSI port configuration page
1225  */
1226 #define	MPTSAS_GET_HOST_ID(configuration) (configuration & 0xFF)
1227 #define	MPTSAS_SET_HOST_ID(hostid) (hostid | ((1 << hostid) << 16))
1228 
1229 /*
1230  * Config space.
1231  */
1232 #define	MPTSAS_LATENCY_TIMER	0x40
1233 
1234 /*
1235  * Offset to firmware version
1236  */
1237 #define	MPTSAS_FW_VERSION_OFFSET	9
1238 
1239 /*
1240  * Offset and masks to get at the ProductId field
1241  */
1242 #define	MPTSAS_FW_PRODUCTID_OFFSET	8
1243 #define	MPTSAS_FW_PRODUCTID_MASK	0xFFFF0000
1244 #define	MPTSAS_FW_PRODUCTID_SHIFT	16
1245 
1246 /*
1247  * Subsystem ID for HBAs.
1248  */
1249 #define	MPTSAS_HBA_SUBSYSTEM_ID    0x10C0
1250 #define	MPTSAS_RHEA_SUBSYSTEM_ID	0x10B0
1251 
1252 /*
1253  * reset delay tick
1254  */
1255 #define	MPTSAS_WATCH_RESET_DELAY_TICK 50	/* specified in milli seconds */
1256 
1257 /*
1258  * Ioc reset return values
1259  */
1260 #define	MPTSAS_RESET_FAIL	-1
1261 #define	MPTSAS_NO_RESET		0
1262 #define	MPTSAS_SUCCESS_HARDRESET	1
1263 #define	MPTSAS_SUCCESS_MUR	2
1264 
1265 /*
1266  * throttle support.
1267  */
1268 #define	MAX_THROTTLE	32
1269 #define	HOLD_THROTTLE	0
1270 #define	DRAIN_THROTTLE	-1
1271 #define	QFULL_THROTTLE	-2
1272 
1273 /*
1274  * Passthrough/config request flags
1275  */
1276 #define	MPTSAS_DATA_ALLOCATED		0x0001
1277 #define	MPTSAS_DATAOUT_ALLOCATED	0x0002
1278 #define	MPTSAS_REQUEST_POOL_CMD		0x0004
1279 #define	MPTSAS_ADDRESS_REPLY		0x0008
1280 #define	MPTSAS_CMD_TIMEOUT		0x0010
1281 
1282 /*
1283  * response code tlr flag
1284  */
1285 #define	MPTSAS_SCSI_RESPONSE_CODE_TLR_OFF	0x02
1286 
1287 /*
1288  * System Events
1289  */
1290 #ifndef	DDI_VENDOR_LSI
1291 #define	DDI_VENDOR_LSI	"LSI"
1292 #endif	/* DDI_VENDOR_LSI */
1293 
1294 /*
1295  * Shared functions
1296  */
1297 int mptsas_save_cmd(struct mptsas *mpt, struct mptsas_cmd *cmd);
1298 void mptsas_remove_cmd(mptsas_t *mpt, mptsas_cmd_t *cmd);
1299 void mptsas_waitq_add(mptsas_t *mpt, mptsas_cmd_t *cmd);
1300 void mptsas_log(struct mptsas *mpt, int level, char *fmt, ...);
1301 int mptsas_poll(mptsas_t *mpt, mptsas_cmd_t *poll_cmd, int polltime);
1302 int mptsas_do_dma(mptsas_t *mpt, uint32_t size, int var, int (*callback)());
1303 int mptsas_update_flash(mptsas_t *mpt, caddr_t ptrbuffer, uint32_t size,
1304 	uint8_t type, int mode);
1305 int mptsas_check_flash(mptsas_t *mpt, caddr_t origfile, uint32_t size,
1306 	uint8_t type, int mode);
1307 int mptsas_download_firmware();
1308 int mptsas_can_download_firmware();
1309 int mptsas_dma_alloc(mptsas_t *mpt, mptsas_dma_alloc_state_t *dma_statep);
1310 void mptsas_dma_free(mptsas_dma_alloc_state_t *dma_statep);
1311 mptsas_phymask_t mptsas_physport_to_phymask(mptsas_t *mpt, uint8_t physport);
1312 void mptsas_fma_check(mptsas_t *mpt, mptsas_cmd_t *cmd);
1313 int mptsas_check_acc_handle(ddi_acc_handle_t handle);
1314 int mptsas_check_dma_handle(ddi_dma_handle_t handle);
1315 void mptsas_fm_ereport(mptsas_t *mpt, char *detail);
1316 int mptsas_dma_addr_create(mptsas_t *mpt, ddi_dma_attr_t dma_attr,
1317     ddi_dma_handle_t *dma_hdp, ddi_acc_handle_t *acc_hdp, caddr_t *dma_memp,
1318     uint32_t alloc_size, ddi_dma_cookie_t *cookiep);
1319 void mptsas_dma_addr_destroy(ddi_dma_handle_t *, ddi_acc_handle_t *);
1320 uint32_t mptsas_hirrd(mptsas_t *mpt, uint32_t *regaddr);
1321 
1322 /*
1323  * impl functions
1324  */
1325 int mptsas_ioc_wait_for_response(mptsas_t *mpt);
1326 int mptsas_ioc_wait_for_doorbell(mptsas_t *mpt);
1327 int mptsas_ioc_reset(mptsas_t *mpt, int);
1328 int mptsas_send_handshake_msg(mptsas_t *mpt, caddr_t memp, int numbytes,
1329     ddi_acc_handle_t accessp);
1330 int mptsas_get_handshake_msg(mptsas_t *mpt, caddr_t memp, int numbytes,
1331     ddi_acc_handle_t accessp);
1332 int mptsas_send_config_request_msg(mptsas_t *mpt, uint8_t action,
1333     uint8_t pagetype, uint32_t pageaddress, uint8_t pagenumber,
1334     uint8_t pageversion, uint8_t pagelength, uint32_t SGEflagslength,
1335     uint64_t SGEaddress);
1336 int mptsas_send_extended_config_request_msg(mptsas_t *mpt, uint8_t action,
1337     uint8_t extpagetype, uint32_t pageaddress, uint8_t pagenumber,
1338     uint8_t pageversion, uint16_t extpagelength,
1339     uint32_t SGEflagslength, uint64_t SGEaddress);
1340 
1341 int mptsas_request_from_pool(mptsas_t *mpt, mptsas_cmd_t **cmd,
1342     struct scsi_pkt **pkt);
1343 void mptsas_return_to_pool(mptsas_t *mpt, mptsas_cmd_t *cmd);
1344 void mptsas_destroy_ioc_event_cmd(mptsas_t *mpt);
1345 void mptsas_start_config_page_access(mptsas_t *mpt, mptsas_cmd_t *cmd);
1346 int mptsas_access_config_page(mptsas_t *mpt, uint8_t action, uint8_t page_type,
1347     uint8_t page_number, uint32_t page_address, int (*callback) (mptsas_t *,
1348     caddr_t, ddi_acc_handle_t, uint16_t, uint32_t, va_list), ...);
1349 
1350 int mptsas_ioc_task_management(mptsas_t *mpt, int task_type,
1351     uint16_t dev_handle, int lun, uint8_t *reply, uint32_t reply_size,
1352     int mode);
1353 int mptsas_send_event_ack(mptsas_t *mpt, uint32_t event, uint32_t eventcntx);
1354 void mptsas_send_pending_event_ack(mptsas_t *mpt);
1355 void mptsas_set_throttle(struct mptsas *mpt, mptsas_target_t *ptgt, int what);
1356 int mptsas_restart_ioc(mptsas_t *mpt);
1357 void mptsas_update_driver_data(struct mptsas *mpt);
1358 uint64_t mptsas_get_sata_guid(mptsas_t *mpt, mptsas_target_t *ptgt, int lun);
1359 
1360 /*
1361  * init functions
1362  */
1363 int mptsas_ioc_get_facts(mptsas_t *mpt);
1364 int mptsas_ioc_get_port_facts(mptsas_t *mpt, int port);
1365 int mptsas_ioc_enable_port(mptsas_t *mpt);
1366 int mptsas_ioc_enable_event_notification(mptsas_t *mpt);
1367 int mptsas_ioc_init(mptsas_t *mpt);
1368 
1369 /*
1370  * configuration pages operation
1371  */
1372 int mptsas_get_sas_device_page0(mptsas_t *mpt, uint32_t page_address,
1373     uint16_t *dev_handle, uint64_t *sas_wwn, uint32_t *dev_info,
1374     uint8_t *physport, uint8_t *phynum, uint16_t *pdevhandle,
1375     uint16_t *slot_num, uint16_t *enclosure, uint16_t *io_flags);
1376 int mptsas_get_sas_io_unit_page(mptsas_t *mpt);
1377 int mptsas_get_sas_io_unit_page_hndshk(mptsas_t *mpt);
1378 int mptsas_get_sas_expander_page0(mptsas_t *mpt, uint32_t page_address,
1379     mptsas_smp_t *info);
1380 int mptsas_set_ioc_params(mptsas_t *mpt);
1381 int mptsas_get_manufacture_page5(mptsas_t *mpt);
1382 int mptsas_get_sas_port_page0(mptsas_t *mpt, uint32_t page_address,
1383     uint64_t *sas_wwn, uint8_t *portwidth);
1384 int mptsas_get_bios_page3(mptsas_t *mpt,  uint32_t *bios_version);
1385 int mptsas_get_sas_phy_page0(mptsas_t *mpt, uint32_t page_address,
1386     smhba_info_t *info);
1387 int mptsas_get_sas_phy_page1(mptsas_t *mpt, uint32_t page_address,
1388     smhba_info_t *info);
1389 int mptsas_get_manufacture_page0(mptsas_t *mpt);
1390 int mptsas_get_enclosure_page0(mptsas_t *mpt, uint32_t page_address,
1391     mptsas_enclosure_t *mpe);
1392 void mptsas_create_phy_stats(mptsas_t *mpt, char *iport, dev_info_t *dip);
1393 void mptsas_destroy_phy_stats(mptsas_t *mpt);
1394 int mptsas_smhba_phy_init(mptsas_t *mpt);
1395 /*
1396  * RAID functions
1397  */
1398 int mptsas_get_raid_settings(mptsas_t *mpt, mptsas_raidvol_t *raidvol);
1399 int mptsas_get_raid_info(mptsas_t *mpt);
1400 int mptsas_get_physdisk_settings(mptsas_t *mpt, mptsas_raidvol_t *raidvol,
1401     uint8_t physdisknum);
1402 int mptsas_delete_volume(mptsas_t *mpt, uint16_t volid);
1403 void mptsas_raid_action_system_shutdown(mptsas_t *mpt);
1404 
1405 #define	MPTSAS_IOCSTATUS(status) (status & MPI2_IOCSTATUS_MASK)
1406 /*
1407  * debugging.
1408  * MPTSAS_DBGLOG_LINECNT must be a power of 2.
1409  */
1410 #define	MPTSAS_DBGLOG_LINECNT	128
1411 #define	MPTSAS_DBGLOG_LINELEN	256
1412 #define	MPTSAS_DBGLOG_BUFSIZE	(MPTSAS_DBGLOG_LINECNT * MPTSAS_DBGLOG_LINELEN)
1413 
1414 #if defined(MPTSAS_DEBUG)
1415 
1416 extern uint32_t mptsas_debugprt_flags;
1417 extern uint32_t mptsas_debuglog_flags;
1418 
1419 void mptsas_printf(char *fmt, ...);
1420 void mptsas_debug_log(char *fmt, ...);
1421 
1422 #define	MPTSAS_DBGPR(m, args)	\
1423 	if (mptsas_debugprt_flags & (m)) \
1424 		mptsas_printf args;   \
1425 	if (mptsas_debuglog_flags & (m)) \
1426 		mptsas_debug_log args
1427 #else	/* ! defined(MPTSAS_DEBUG) */
1428 #define	MPTSAS_DBGPR(m, args)
1429 #endif	/* defined(MPTSAS_DEBUG) */
1430 
1431 #define	NDBG0(args)	MPTSAS_DBGPR(0x01, args)	/* init	*/
1432 #define	NDBG1(args)	MPTSAS_DBGPR(0x02, args)	/* normal running */
1433 #define	NDBG2(args)	MPTSAS_DBGPR(0x04, args)	/* property handling */
1434 #define	NDBG3(args)	MPTSAS_DBGPR(0x08, args)	/* pkt handling */
1435 
1436 #define	NDBG4(args)	MPTSAS_DBGPR(0x10, args)	/* kmem alloc/free */
1437 #define	NDBG5(args)	MPTSAS_DBGPR(0x20, args)	/* polled cmds */
1438 #define	NDBG6(args)	MPTSAS_DBGPR(0x40, args)	/* interrupts */
1439 #define	NDBG7(args)	MPTSAS_DBGPR(0x80, args)	/* queue handling */
1440 
1441 #define	NDBG8(args)	MPTSAS_DBGPR(0x0100, args)	/* arq */
1442 #define	NDBG9(args)	MPTSAS_DBGPR(0x0200, args)	/* Tagged Q'ing */
1443 #define	NDBG10(args)	MPTSAS_DBGPR(0x0400, args)	/* halting chip */
1444 #define	NDBG11(args)	MPTSAS_DBGPR(0x0800, args)	/* power management */
1445 
1446 #define	NDBG12(args)	MPTSAS_DBGPR(0x1000, args)	/* enumeration */
1447 #define	NDBG13(args)	MPTSAS_DBGPR(0x2000, args)	/* configuration page */
1448 #define	NDBG14(args)	MPTSAS_DBGPR(0x4000, args)	/* LED control */
1449 #define	NDBG15(args)	MPTSAS_DBGPR(0x8000, args)	/* Passthrough */
1450 
1451 #define	NDBG16(args)	MPTSAS_DBGPR(0x010000, args)	/* SAS Broadcasts */
1452 #define	NDBG17(args)	MPTSAS_DBGPR(0x020000, args)	/* scatter/gather */
1453 #define	NDBG18(args)	MPTSAS_DBGPR(0x040000, args)
1454 #define	NDBG19(args)	MPTSAS_DBGPR(0x080000, args)	/* handshaking */
1455 
1456 #define	NDBG20(args)	MPTSAS_DBGPR(0x100000, args)	/* events */
1457 #define	NDBG21(args)	MPTSAS_DBGPR(0x200000, args)	/* dma */
1458 #define	NDBG22(args)	MPTSAS_DBGPR(0x400000, args)	/* reset */
1459 #define	NDBG23(args)	MPTSAS_DBGPR(0x800000, args)	/* abort */
1460 
1461 #define	NDBG24(args)	MPTSAS_DBGPR(0x1000000, args)	/* capabilities */
1462 #define	NDBG25(args)	MPTSAS_DBGPR(0x2000000, args)	/* flushing */
1463 #define	NDBG26(args)	MPTSAS_DBGPR(0x4000000, args)
1464 #define	NDBG27(args)	MPTSAS_DBGPR(0x8000000, args)	/* passthrough */
1465 
1466 #define	NDBG28(args)	MPTSAS_DBGPR(0x10000000, args)	/* hotplug */
1467 #define	NDBG29(args)	MPTSAS_DBGPR(0x20000000, args)	/* timeouts */
1468 #define	NDBG30(args)	MPTSAS_DBGPR(0x40000000, args)	/* mptsas_watch */
1469 #define	NDBG31(args)	MPTSAS_DBGPR(0x80000000, args)	/* negotations */
1470 
1471 /*
1472  * auto request sense
1473  */
1474 #define	RQ_MAKECOM_COMMON(pkt, flag, cmd) \
1475 	(pkt)->pkt_flags = (flag), \
1476 	((union scsi_cdb *)(pkt)->pkt_cdbp)->scc_cmd = (cmd), \
1477 	((union scsi_cdb *)(pkt)->pkt_cdbp)->scc_lun = \
1478 	    (pkt)->pkt_address.a_lun
1479 
1480 #define	RQ_MAKECOM_G0(pkt, flag, cmd, addr, cnt) \
1481 	RQ_MAKECOM_COMMON((pkt), (flag), (cmd)), \
1482 	FORMG0ADDR(((union scsi_cdb *)(pkt)->pkt_cdbp), (addr)), \
1483 	FORMG0COUNT(((union scsi_cdb *)(pkt)->pkt_cdbp), (cnt))
1484 
1485 
1486 #ifdef	__cplusplus
1487 }
1488 #endif
1489 
1490 #endif	/* _SYS_SCSI_ADAPTERS_MPTVAR_H */
1491