xref: /titanic_50/usr/src/uts/common/sys/scsi/adapters/mpt_sas/mptsas_var.h (revision c0be74ae7862a3f3cbc24cf40e20bc9c6694f8a5)
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 (c) 2017, Joyent, Inc.
26  * Copyright (c) 2014, Tegile Systems Inc. All rights reserved.
27  */
28 
29 /*
30  * Copyright (c) 2000 to 2010, LSI Corporation.
31  * All rights reserved.
32  *
33  * Redistribution and use in source and binary forms of all code within
34  * this file that is exclusively owned by LSI, with or without
35  * modification, is permitted provided that, in addition to the CDDL 1.0
36  * License requirements, the following conditions are met:
37  *
38  *    Neither the name of the author nor the names of its contributors may be
39  *    used to endorse or promote products derived from this software without
40  *    specific prior written permission.
41  *
42  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
43  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
44  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
45  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
46  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
47  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
48  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
49  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
50  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
51  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
52  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
53  * DAMAGE.
54  */
55 
56 #ifndef _SYS_SCSI_ADAPTERS_MPTVAR_H
57 #define	_SYS_SCSI_ADAPTERS_MPTVAR_H
58 
59 #include <sys/byteorder.h>
60 #include <sys/queue.h>
61 #include <sys/isa_defs.h>
62 #include <sys/sunmdi.h>
63 #include <sys/mdi_impldefs.h>
64 #include <sys/scsi/adapters/mpt_sas/mptsas_hash.h>
65 #include <sys/scsi/adapters/mpt_sas/mptsas_ioctl.h>
66 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_tool.h>
67 #include <sys/scsi/adapters/mpt_sas/mpi/mpi2_cnfg.h>
68 
69 #ifdef	__cplusplus
70 extern "C" {
71 #endif
72 
73 /*
74  * Compile options
75  */
76 #ifdef DEBUG
77 #define	MPTSAS_DEBUG		/* turn on debugging code */
78 #endif	/* DEBUG */
79 
80 #define	MPTSAS_INITIAL_SOFT_SPACE	4
81 
82 /*
83  * Note below macro definition and data type definition
84  * are used for phy mask handling, it should be changed
85  * simultaneously.
86  */
87 #define	MPTSAS_MAX_PHYS		24
88 typedef uint32_t		mptsas_phymask_t;
89 
90 #define	MPTSAS_INVALID_DEVHDL	0xffff
91 #define	MPTSAS_SATA_GUID	"sata-guid"
92 
93 /*
94  * Hash table sizes for SMP targets (i.e., expanders) and ordinary SSP/STP
95  * targets.  There's no need to go overboard here, as the ordinary paths for
96  * I/O do not normally require hashed target lookups.  These should be good
97  * enough and then some for any fabric within the hardware's capabilities.
98  */
99 #define	MPTSAS_SMP_BUCKET_COUNT		23
100 #define	MPTSAS_TARGET_BUCKET_COUNT	97
101 #define	MPTSAS_TMP_TARGET_BUCKET_COUNT	13
102 
103 /*
104  * MPT HW defines
105  */
106 #define	MPTSAS_MAX_DISKS_IN_CONFIG	14
107 #define	MPTSAS_MAX_DISKS_IN_VOL		10
108 #define	MPTSAS_MAX_HOTSPARES		2
109 #define	MPTSAS_MAX_RAIDVOLS		2
110 #define	MPTSAS_MAX_RAIDCONFIGS		5
111 
112 /*
113  * 64-bit SAS WWN is displayed as 16 characters as HEX characters,
114  * plus two means the prefix 'w' and end of the string '\0'.
115  */
116 #define	MPTSAS_WWN_STRLEN	(16 + 2)
117 #define	MPTSAS_MAX_GUID_LEN	64
118 
119 /*
120  * DMA routine flags
121  */
122 #define	MPTSAS_DMA_HANDLE_ALLOCD	0x2
123 #define	MPTSAS_DMA_MEMORY_ALLOCD	0x4
124 #define	MPTSAS_DMA_HANDLE_BOUND	0x8
125 
126 /*
127  * If the HBA supports DMA or bus-mastering, you may have your own
128  * scatter-gather list for physically non-contiguous memory in one
129  * I/O operation; if so, there's probably a size for that list.
130  * It must be placed in the ddi_dma_lim_t structure, so that the system
131  * DMA-support routines can use it to break up the I/O request, so we
132  * define it here.
133  */
134 #if defined(__sparc)
135 #define	MPTSAS_MAX_DMA_SEGS	1
136 #define	MPTSAS_MAX_CMD_SEGS	1
137 #else
138 #define	MPTSAS_MAX_DMA_SEGS	256
139 #define	MPTSAS_MAX_CMD_SEGS	257
140 #endif
141 #define	MPTSAS_MAX_FRAME_SGES(mpt) \
142 	(((mpt->m_req_frame_size - (sizeof (MPI2_SCSI_IO_REQUEST))) / 8) + 1)
143 
144 #define	MPTSAS_SGE_SIZE(mpt)					\
145 	((mpt)->m_MPI25 ? sizeof (MPI2_IEEE_SGE_SIMPLE64) :	\
146 	    sizeof (MPI2_SGE_SIMPLE64))
147 
148 /*
149  * Calculating how many 64-bit DMA simple elements can be stored in the first
150  * frame. Note that msg_scsi_io_request contains 2 double-words (8 bytes) for
151  * element storage.  And 64-bit dma element is 3 double-words (12 bytes) in
152  * size. IEEE 64-bit dma element used for SAS3 controllers is 4 double-words
153  * (16 bytes).
154  */
155 #define	MPTSAS_MAX_FRAME_SGES64(mpt) \
156 	((mpt->m_req_frame_size - \
157 	sizeof (MPI2_SCSI_IO_REQUEST) + sizeof (MPI2_SGE_IO_UNION)) / \
158 	MPTSAS_SGE_SIZE(mpt))
159 
160 /*
161  * Scatter-gather list structure defined by HBA hardware
162  */
163 typedef	struct NcrTableIndirect {	/* Table Indirect entries */
164 	uint32_t count;		/* 24 bit count */
165 	union {
166 		uint32_t address32;	/* 32 bit address */
167 		struct {
168 			uint32_t Low;
169 			uint32_t High;
170 		} address64;		/* 64 bit address */
171 	} addr;
172 } mptti_t;
173 
174 /*
175  * preferred pkt_private length in 64-bit quantities
176  */
177 #ifdef	_LP64
178 #define	PKT_PRIV_SIZE	2
179 #define	PKT_PRIV_LEN	16	/* in bytes */
180 #else /* _ILP32 */
181 #define	PKT_PRIV_SIZE	1
182 #define	PKT_PRIV_LEN	8	/* in bytes */
183 #endif
184 
185 #define	PKT2CMD(pkt)	((struct mptsas_cmd *)((pkt)->pkt_ha_private))
186 #define	CMD2PKT(cmdp)	((struct scsi_pkt *)((cmdp)->cmd_pkt))
187 #define	EXTCMDS_STATUS_SIZE (sizeof (struct scsi_arq_status))
188 
189 /*
190  * get offset of item in structure
191  */
192 #define	MPTSAS_GET_ITEM_OFF(type, member) ((size_t)(&((type *)0)->member))
193 
194 /*
195  * WWID provided by LSI firmware is generated by firmware but the WWID is not
196  * IEEE NAA standard format, OBP has no chance to distinguish format of unit
197  * address. According LSI's confirmation, the top nibble of RAID WWID is
198  * meanless, so the consensus between Solaris and OBP is to replace top nibble
199  * of WWID provided by LSI to "3" always to hint OBP that this is a RAID WWID
200  * format unit address.
201  */
202 #define	MPTSAS_RAID_WWID(wwid) \
203 	((wwid & 0x0FFFFFFFFFFFFFFF) | 0x3000000000000000)
204 
205 typedef struct mptsas_target_addr {
206 	uint64_t mta_wwn;
207 	mptsas_phymask_t mta_phymask;
208 } mptsas_target_addr_t;
209 
210 TAILQ_HEAD(mptsas_active_cmdq, mptsas_cmd);
211 typedef struct mptsas_active_cmdq mptsas_active_cmdq_t;
212 
213 typedef	struct mptsas_target {
214 		mptsas_target_addr_t	m_addr;
215 		refhash_link_t		m_link;
216 		uint8_t			m_dr_flag;
217 		uint16_t		m_devhdl;
218 		uint32_t		m_deviceinfo;
219 		uint8_t			m_phynum;
220 		uint32_t		m_dups;
221 		mptsas_active_cmdq_t	m_active_cmdq;
222 		int32_t			m_t_throttle;
223 		int32_t			m_t_ncmds;
224 		int32_t			m_reset_delay;
225 		int32_t			m_t_nwait;
226 
227 		uint16_t		m_qfull_retry_interval;
228 		uint8_t			m_qfull_retries;
229 		uint16_t		m_io_flags;
230 		uint16_t		m_enclosure;
231 		uint16_t		m_slot_num;
232 		uint32_t		m_tgt_unconfigured;
233 } mptsas_target_t;
234 
235 /*
236  * If you change this structure, be sure that mptsas_smp_target_copy()
237  * does the right thing.
238  */
239 typedef struct mptsas_smp {
240 	mptsas_target_addr_t	m_addr;
241 	refhash_link_t		m_link;
242 	uint16_t		m_devhdl;
243 	uint32_t		m_deviceinfo;
244 	uint16_t		m_pdevhdl;
245 	uint32_t		m_pdevinfo;
246 } mptsas_smp_t;
247 
248 /*
249  * This represents a single enclosure. Targets point to an enclosure through
250  * their m_enclosure member.
251  */
252 typedef struct mptsas_enclosure {
253 	list_node_t	me_link;
254 	uint16_t	me_enchdl;
255 	uint16_t	me_flags;
256 	uint16_t	me_nslots;
257 	uint16_t	me_fslot;
258 	uint8_t		*me_slotleds;
259 } mptsas_enclosure_t;
260 
261 typedef struct mptsas_cache_frames {
262 	ddi_dma_handle_t m_dma_hdl;
263 	ddi_acc_handle_t m_acc_hdl;
264 	caddr_t m_frames_addr;
265 	uint64_t m_phys_addr;
266 } mptsas_cache_frames_t;
267 
268 typedef struct	mptsas_cmd {
269 	uint_t			cmd_flags;	/* flags from scsi_init_pkt */
270 	ddi_dma_handle_t	cmd_dmahandle;	/* dma handle */
271 	ddi_dma_cookie_t	cmd_cookie;
272 	uint_t			cmd_cookiec;
273 	uint_t			cmd_winindex;
274 	uint_t			cmd_nwin;
275 	uint_t			cmd_cur_cookie;
276 	off_t			cmd_dma_offset;
277 	size_t			cmd_dma_len;
278 	uint32_t		cmd_totaldmacount;
279 	caddr_t			cmd_arq_buf;
280 
281 	int			cmd_pkt_flags;
282 
283 	/* pending expiration time for command in active slot */
284 	hrtime_t		cmd_active_expiration;
285 	TAILQ_ENTRY(mptsas_cmd)	cmd_active_link;
286 
287 	struct scsi_pkt		*cmd_pkt;
288 	struct scsi_arq_status	cmd_scb;
289 	uchar_t			cmd_cdblen;	/* length of cdb */
290 	uchar_t			cmd_rqslen;	/* len of requested rqsense */
291 	uchar_t			cmd_privlen;
292 	uint16_t		cmd_extrqslen;	/* len of extended rqsense */
293 	uint16_t		cmd_extrqschunks; /* len in map chunks */
294 	uint16_t		cmd_extrqsidx;	/* Index into map */
295 	uint_t			cmd_scblen;
296 	uint32_t		cmd_dmacount;
297 	uint64_t		cmd_dma_addr;
298 	uchar_t			cmd_age;
299 	ushort_t		cmd_qfull_retries;
300 	uchar_t			cmd_queued;	/* true if queued */
301 	struct mptsas_cmd	*cmd_linkp;
302 	mptti_t			*cmd_sg; /* Scatter/Gather structure */
303 	uchar_t			cmd_cdb[SCSI_CDB_SIZE];
304 	uint64_t		cmd_pkt_private[PKT_PRIV_LEN];
305 	uint32_t		cmd_slot;
306 	uint32_t		ioc_cmd_slot;
307 
308 	mptsas_cache_frames_t	*cmd_extra_frames;
309 
310 	uint32_t		cmd_rfm;
311 	mptsas_target_t		*cmd_tgt_addr;
312 } mptsas_cmd_t;
313 
314 /*
315  * These are the defined cmd_flags for this structure.
316  */
317 #define	CFLAG_CMDDISC		0x000001 /* cmd currently disconnected */
318 #define	CFLAG_WATCH		0x000002 /* watchdog time for this command */
319 #define	CFLAG_FINISHED		0x000004 /* command completed */
320 #define	CFLAG_CHKSEG		0x000008 /* check cmd_data within seg */
321 #define	CFLAG_COMPLETED		0x000010 /* completion routine called */
322 #define	CFLAG_PREPARED		0x000020 /* pkt has been init'ed */
323 #define	CFLAG_IN_TRANSPORT	0x000040 /* in use by host adapter driver */
324 #define	CFLAG_RESTORE_PTRS	0x000080 /* implicit restore ptr on reconnect */
325 #define	CFLAG_ARQ_IN_PROGRESS	0x000100 /* auto request sense in progress */
326 #define	CFLAG_TRANFLAG		0x0001ff /* covers transport part of flags */
327 #define	CFLAG_TM_CMD		0x000200 /* cmd is a task management command */
328 #define	CFLAG_CMDARQ		0x000400 /* cmd is a 'rqsense' command */
329 #define	CFLAG_DMAVALID		0x000800 /* dma mapping valid */
330 #define	CFLAG_DMASEND		0x001000 /* data is going 'out' */
331 #define	CFLAG_CMDIOPB		0x002000 /* this is an 'iopb' packet */
332 #define	CFLAG_CDBEXTERN		0x004000 /* cdb kmem_alloc'd */
333 #define	CFLAG_SCBEXTERN		0x008000 /* scb kmem_alloc'd */
334 #define	CFLAG_FREE		0x010000 /* packet is on free list */
335 #define	CFLAG_PRIVEXTERN	0x020000 /* target private kmem_alloc'd */
336 #define	CFLAG_DMA_PARTIAL	0x040000 /* partial xfer OK */
337 #define	CFLAG_QFULL_STATUS	0x080000 /* pkt got qfull status */
338 #define	CFLAG_TIMEOUT		0x100000 /* passthru/config command timeout */
339 #define	CFLAG_PMM_RECEIVED	0x200000 /* use cmd_pmm* for saving pointers */
340 #define	CFLAG_RETRY		0x400000 /* cmd has been retried */
341 #define	CFLAG_CMDIOC		0x800000 /* cmd is just for for ioc, no io */
342 #define	CFLAG_PASSTHRU		0x2000000 /* cmd is a passthrough command */
343 #define	CFLAG_XARQ		0x4000000 /* cmd requests for extra sense */
344 #define	CFLAG_CMDACK		0x8000000 /* cmd for event ack */
345 #define	CFLAG_TXQ		0x10000000 /* cmd queued in the tx_waitq */
346 #define	CFLAG_FW_CMD		0x20000000 /* cmd is a fw up/down command */
347 #define	CFLAG_CONFIG		0x40000000 /* cmd is for config header/page */
348 #define	CFLAG_FW_DIAG		0x80000000 /* cmd is for FW diag buffers */
349 
350 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_SIZE			8
351 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_MASK			0xC0
352 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_PERIPHERAL			0x00
353 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_FLAT_SPACE			0x40
354 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT		0x80
355 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_EXTENDED_UNIT		0xC0
356 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_2B		0x00
357 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_4B		0x01
358 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_6B		0x10
359 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_8B		0x20
360 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_SIZE		0x30
361 
362 #define	MPTSAS_HASH_ARRAY_SIZE	16
363 /*
364  * hash table definition
365  */
366 
367 #define	MPTSAS_HASH_FIRST	0xffff
368 #define	MPTSAS_HASH_NEXT	0x0000
369 
370 typedef struct mptsas_dma_alloc_state
371 {
372 	ddi_dma_handle_t	handle;
373 	caddr_t			memp;
374 	size_t			size;
375 	ddi_acc_handle_t	accessp;
376 	ddi_dma_cookie_t	cookie;
377 } mptsas_dma_alloc_state_t;
378 
379 /*
380  * passthrough request structure
381  */
382 typedef struct mptsas_pt_request {
383 	uint8_t *request;
384 	uint32_t request_size;
385 	uint32_t data_size;
386 	uint32_t dataout_size;
387 	uint32_t direction;
388 	uint8_t simple;
389 	uint16_t sgl_offset;
390 	ddi_dma_cookie_t data_cookie;
391 	ddi_dma_cookie_t dataout_cookie;
392 } mptsas_pt_request_t;
393 
394 /*
395  * config page request structure
396  */
397 typedef struct mptsas_config_request {
398 	uint32_t	page_address;
399 	uint8_t		action;
400 	uint8_t		page_type;
401 	uint8_t		page_number;
402 	uint8_t		page_length;
403 	uint8_t		page_version;
404 	uint8_t		ext_page_type;
405 	uint16_t	ext_page_length;
406 } mptsas_config_request_t;
407 
408 typedef struct mptsas_fw_diagnostic_buffer {
409 	mptsas_dma_alloc_state_t	buffer_data;
410 	uint8_t				extended_type;
411 	uint8_t				buffer_type;
412 	uint8_t				force_release;
413 	uint32_t			product_specific[23];
414 	uint8_t				immediate;
415 	uint8_t				enabled;
416 	uint8_t				valid_data;
417 	uint8_t				owned_by_firmware;
418 	uint32_t			unique_id;
419 } mptsas_fw_diagnostic_buffer_t;
420 
421 /*
422  * FW diag request structure
423  */
424 typedef struct mptsas_diag_request {
425 	mptsas_fw_diagnostic_buffer_t	*pBuffer;
426 	uint8_t				function;
427 } mptsas_diag_request_t;
428 
429 typedef struct mptsas_hash_node {
430 	void *data;
431 	struct mptsas_hash_node *next;
432 } mptsas_hash_node_t;
433 
434 typedef struct mptsas_hash_table {
435 	struct mptsas_hash_node *head[MPTSAS_HASH_ARRAY_SIZE];
436 	/*
437 	 * last position in traverse
438 	 */
439 	struct mptsas_hash_node *cur;
440 	uint16_t line;
441 
442 } mptsas_hash_table_t;
443 
444 /*
445  * RAID volume information
446  */
447 typedef struct mptsas_raidvol {
448 	ushort_t	m_israid;
449 	uint16_t	m_raidhandle;
450 	uint64_t	m_raidwwid;
451 	uint8_t		m_state;
452 	uint32_t	m_statusflags;
453 	uint32_t	m_settings;
454 	uint16_t	m_devhdl[MPTSAS_MAX_DISKS_IN_VOL];
455 	uint8_t		m_disknum[MPTSAS_MAX_DISKS_IN_VOL];
456 	ushort_t	m_diskstatus[MPTSAS_MAX_DISKS_IN_VOL];
457 	uint64_t	m_raidsize;
458 	int		m_raidlevel;
459 	int		m_ndisks;
460 	mptsas_target_t	*m_raidtgt;
461 } mptsas_raidvol_t;
462 
463 /*
464  * RAID configurations
465  */
466 typedef struct mptsas_raidconfig {
467 		mptsas_raidvol_t	m_raidvol[MPTSAS_MAX_RAIDVOLS];
468 		uint16_t		m_physdisk_devhdl[
469 					    MPTSAS_MAX_DISKS_IN_CONFIG];
470 		uint8_t			m_native;
471 } m_raidconfig_t;
472 
473 /*
474  * Track outstanding commands.  The index into the m_slot array is the SMID
475  * (system message ID) of the outstanding command.  SMID 0 is reserved by the
476  * software/firmware protocol and is never used for any command we generate;
477  * as such, the assertion m_slot[0] == NULL is universally true.  The last
478  * entry in the array is slot number MPTSAS_TM_SLOT(mpt) and is used ONLY for
479  * task management commands.  No normal SCSI or ATA command will ever occupy
480  * that slot.  Finally, the relationship m_slot[X]->cmd_slot == X holds at any
481  * time that a consistent view of the target array is obtainable.
482  *
483  * As such, m_n_normal is the maximum number of slots available to ordinary
484  * commands, and the relationship:
485  * mpt->m_active->m_n_normal == mpt->m_max_requests - 2
486  * always holds after initialisation.
487  */
488 typedef struct mptsas_slots {
489 	size_t			m_size;		/* size of struct, bytes */
490 	uint_t			m_n_normal;	/* see above */
491 	uint_t			m_rotor;	/* next slot idx to consider */
492 	mptsas_cmd_t		*m_slot[1];
493 } mptsas_slots_t;
494 
495 /*
496  * Structure to hold command and packets for event ack
497  * and task management commands.
498  */
499 typedef struct  m_event_struct {
500 	struct mptsas_cmd		m_event_cmd;
501 	struct m_event_struct	*m_event_linkp;
502 	/*
503 	 * event member record the failure event and eventcntx
504 	 * event member would be used in send ack pending process
505 	 */
506 	uint32_t		m_event;
507 	uint32_t		m_eventcntx;
508 	uint_t			in_use;
509 	struct scsi_pkt		m_event_pkt;	/* must be last */
510 						/* ... scsi_pkt_size() */
511 } m_event_struct_t;
512 #define	M_EVENT_STRUCT_SIZE	(sizeof (m_event_struct_t) - \
513 				sizeof (struct scsi_pkt) + scsi_pkt_size())
514 
515 #define	MAX_IOC_COMMANDS	8
516 
517 /*
518  * A pool of MAX_IOC_COMMANDS is maintained for event ack commands.
519  * A new event ack command requests mptsas_cmd and scsi_pkt structures
520  * from this pool, and returns it back when done.
521  */
522 
523 typedef struct m_replyh_arg {
524 	void *mpt;
525 	uint32_t rfm;
526 } m_replyh_arg_t;
527 _NOTE(DATA_READABLE_WITHOUT_LOCK(m_replyh_arg_t::mpt))
528 _NOTE(DATA_READABLE_WITHOUT_LOCK(m_replyh_arg_t::rfm))
529 
530 /*
531  * Flags for DR handler topology change
532  */
533 #define	MPTSAS_TOPO_FLAG_DIRECT_ATTACHED_DEVICE		0x0
534 #define	MPTSAS_TOPO_FLAG_EXPANDER_ASSOCIATED		0x1
535 #define	MPTSAS_TOPO_FLAG_LUN_ASSOCIATED			0x2
536 #define	MPTSAS_TOPO_FLAG_RAID_ASSOCIATED		0x4
537 #define	MPTSAS_TOPO_FLAG_RAID_PHYSDRV_ASSOCIATED	0x8
538 #define	MPTSAS_TOPO_FLAG_EXPANDER_ATTACHED_DEVICE	0x10
539 
540 typedef struct mptsas_topo_change_list {
541 	void *mpt;
542 	uint_t  event;
543 	union {
544 		uint8_t physport;
545 		mptsas_phymask_t phymask;
546 	} un;
547 	uint16_t devhdl;
548 	void *object;
549 	uint8_t flags;
550 	struct mptsas_topo_change_list *next;
551 } mptsas_topo_change_list_t;
552 
553 
554 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::mpt))
555 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::event))
556 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::physport))
557 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::devhdl))
558 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::object))
559 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::flags))
560 
561 /*
562  * Status types when calling mptsas_get_target_device_info
563  */
564 #define	DEV_INFO_SUCCESS		0x0
565 #define	DEV_INFO_FAIL_PAGE0		0x1
566 #define	DEV_INFO_WRONG_DEVICE_TYPE	0x2
567 #define	DEV_INFO_PHYS_DISK		0x3
568 #define	DEV_INFO_FAIL_ALLOC		0x4
569 #define	DEV_INFO_FAIL_GUID		0x5
570 
571 /*
572  * mpt hotplug event defines
573  */
574 #define	MPTSAS_DR_EVENT_RECONFIG_TARGET	0x01
575 #define	MPTSAS_DR_EVENT_OFFLINE_TARGET	0x02
576 #define	MPTSAS_TOPO_FLAG_REMOVE_HANDLE	0x04
577 
578 /*
579  * SMP target hotplug events
580  */
581 #define	MPTSAS_DR_EVENT_RECONFIG_SMP	0x10
582 #define	MPTSAS_DR_EVENT_OFFLINE_SMP	0x20
583 #define	MPTSAS_DR_EVENT_MASK		0x3F
584 
585 /*
586  * mpt hotplug status definition for m_dr_flag
587  */
588 
589 /*
590  * MPTSAS_DR_INACTIVE
591  *
592  * The target is in a normal operating state.
593  * No dynamic reconfiguration operation is in progress.
594  */
595 #define	MPTSAS_DR_INACTIVE				0x0
596 /*
597  * MPTSAS_DR_INTRANSITION
598  *
599  * The target is in a transition mode since
600  * hotplug event happens and offline procedure has not
601  * been finished
602  */
603 #define	MPTSAS_DR_INTRANSITION			0x1
604 
605 typedef struct mptsas_tgt_private {
606 	int t_lun;
607 	struct mptsas_target *t_private;
608 } mptsas_tgt_private_t;
609 
610 /*
611  * The following defines are used in mptsas_set_init_mode to track the current
612  * state as we progress through reprogramming the HBA from target mode into
613  * initiator mode.
614  */
615 
616 #define	IOUC_READ_PAGE0		0x00000100
617 #define	IOUC_READ_PAGE1		0x00000200
618 #define	IOUC_WRITE_PAGE1	0x00000400
619 #define	IOUC_DONE		0x00000800
620 #define	DISCOVERY_IN_PROGRESS	MPI2_SASIOUNIT0_PORTFLAGS_DISCOVERY_IN_PROGRESS
621 #define	AUTO_PORT_CONFIGURATION	MPI2_SASIOUNIT0_PORTFLAGS_AUTO_PORT_CONFIG
622 
623 /*
624  * Last allocated slot is used for TM requests.  Since only m_max_requests
625  * frames are allocated, the last SMID will be m_max_requests - 1.
626  */
627 #define	MPTSAS_SLOTS_SIZE(mpt) \
628 	(sizeof (struct mptsas_slots) + (sizeof (struct mptsas_cmd *) * \
629 		mpt->m_max_requests))
630 #define	MPTSAS_TM_SLOT(mpt)	(mpt->m_max_requests - 1)
631 
632 /*
633  * Macro for phy_flags
634  */
635 
636 typedef struct smhba_info {
637 	kmutex_t	phy_mutex;
638 	uint8_t		phy_id;
639 	uint64_t	sas_addr;
640 	char		path[8];
641 	uint16_t	owner_devhdl;
642 	uint16_t	attached_devhdl;
643 	uint8_t		attached_phy_identify;
644 	uint32_t	attached_phy_info;
645 	uint8_t		programmed_link_rate;
646 	uint8_t		hw_link_rate;
647 	uint8_t		change_count;
648 	uint32_t	phy_info;
649 	uint8_t		negotiated_link_rate;
650 	uint8_t		port_num;
651 	kstat_t		*phy_stats;
652 	uint32_t	invalid_dword_count;
653 	uint32_t	running_disparity_error_count;
654 	uint32_t	loss_of_dword_sync_count;
655 	uint32_t	phy_reset_problem_count;
656 	void		*mpt;
657 } smhba_info_t;
658 
659 typedef struct mptsas_phy_info {
660 	uint8_t			port_num;
661 	uint8_t			port_flags;
662 	uint16_t		ctrl_devhdl;
663 	uint32_t		phy_device_type;
664 	uint16_t		attached_devhdl;
665 	mptsas_phymask_t	phy_mask;
666 	smhba_info_t		smhba_info;
667 } mptsas_phy_info_t;
668 
669 
670 typedef struct mptsas_doneq_thread_arg {
671 	void		*mpt;
672 	uint64_t	t;
673 } mptsas_doneq_thread_arg_t;
674 
675 #define	MPTSAS_DONEQ_THREAD_ACTIVE	0x1
676 typedef struct mptsas_doneq_thread_list {
677 	mptsas_cmd_t		*doneq;
678 	mptsas_cmd_t		**donetail;
679 	kthread_t		*threadp;
680 	kcondvar_t		cv;
681 	ushort_t		reserv1;
682 	uint32_t		reserv2;
683 	kmutex_t		mutex;
684 	uint32_t		flag;
685 	uint32_t		len;
686 	mptsas_doneq_thread_arg_t	arg;
687 } mptsas_doneq_thread_list_t;
688 
689 typedef struct mptsas {
690 	int		m_instance;
691 
692 	struct mptsas *m_next;
693 
694 	scsi_hba_tran_t		*m_tran;
695 	smp_hba_tran_t		*m_smptran;
696 	kmutex_t		m_mutex;
697 	kmutex_t		m_passthru_mutex;
698 	kcondvar_t		m_cv;
699 	kcondvar_t		m_passthru_cv;
700 	kcondvar_t		m_fw_cv;
701 	kcondvar_t		m_config_cv;
702 	kcondvar_t		m_fw_diag_cv;
703 	dev_info_t		*m_dip;
704 
705 	/*
706 	 * soft state flags
707 	 */
708 	uint_t		m_softstate;
709 
710 	refhash_t	*m_targets;
711 	refhash_t	*m_smp_targets;
712 	list_t		m_enclosures;
713 	refhash_t	*m_tmp_targets;
714 
715 	m_raidconfig_t	m_raidconfig[MPTSAS_MAX_RAIDCONFIGS];
716 	uint8_t		m_num_raid_configs;
717 
718 	struct mptsas_slots *m_active;	/* outstanding cmds */
719 
720 	mptsas_cmd_t	*m_waitq;	/* cmd queue for active request */
721 	mptsas_cmd_t	**m_waitqtail;	/* wait queue tail ptr */
722 
723 	kmutex_t	m_tx_waitq_mutex;
724 	mptsas_cmd_t	*m_tx_waitq;	/* TX cmd queue for active request */
725 	mptsas_cmd_t	**m_tx_waitqtail;	/* tx_wait queue tail ptr */
726 	int		m_tx_draining;	/* TX queue draining flag */
727 
728 	mptsas_cmd_t	*m_doneq;	/* queue of completed commands */
729 	mptsas_cmd_t	**m_donetail;	/* queue tail ptr */
730 
731 	/*
732 	 * variables for helper threads (fan-out interrupts)
733 	 */
734 	mptsas_doneq_thread_list_t	*m_doneq_thread_id;
735 	uint32_t		m_doneq_thread_n;
736 	uint32_t		m_doneq_thread_threshold;
737 	uint32_t		m_doneq_length_threshold;
738 	uint32_t		m_doneq_len;
739 	kcondvar_t		m_doneq_thread_cv;
740 	kmutex_t		m_doneq_mutex;
741 
742 	int		m_ncmds;	/* number of outstanding commands */
743 	m_event_struct_t *m_ioc_event_cmdq;	/* cmd queue for ioc event */
744 	m_event_struct_t **m_ioc_event_cmdtail;	/* ioc cmd queue tail */
745 
746 	ddi_acc_handle_t m_datap;	/* operating regs data access handle */
747 
748 	struct _MPI2_SYSTEM_INTERFACE_REGS	*m_reg;
749 
750 	ushort_t	m_devid;	/* device id of chip. */
751 	uchar_t		m_revid;	/* revision of chip. */
752 	uint16_t	m_svid;		/* subsystem Vendor ID of chip */
753 	uint16_t	m_ssid;		/* subsystem Device ID of chip */
754 
755 	uchar_t		m_sync_offset;	/* default offset for this chip. */
756 
757 	timeout_id_t	m_quiesce_timeid;
758 
759 	ddi_dma_handle_t m_dma_req_frame_hdl;
760 	ddi_acc_handle_t m_acc_req_frame_hdl;
761 	ddi_dma_handle_t m_dma_req_sense_hdl;
762 	ddi_acc_handle_t m_acc_req_sense_hdl;
763 	ddi_dma_handle_t m_dma_reply_frame_hdl;
764 	ddi_acc_handle_t m_acc_reply_frame_hdl;
765 	ddi_dma_handle_t m_dma_free_queue_hdl;
766 	ddi_acc_handle_t m_acc_free_queue_hdl;
767 	ddi_dma_handle_t m_dma_post_queue_hdl;
768 	ddi_acc_handle_t m_acc_post_queue_hdl;
769 
770 	/*
771 	 * list of reset notification requests
772 	 */
773 	struct scsi_reset_notify_entry	*m_reset_notify_listf;
774 
775 	/*
776 	 * qfull handling
777 	 */
778 	timeout_id_t	m_restart_cmd_timeid;
779 
780 	/*
781 	 * scsi	reset delay per	bus
782 	 */
783 	uint_t		m_scsi_reset_delay;
784 
785 	int		m_pm_idle_delay;
786 
787 	uchar_t		m_polled_intr;	/* intr was polled. */
788 	uchar_t		m_suspended;	/* true	if driver is suspended */
789 
790 	struct kmem_cache *m_kmem_cache;
791 	struct kmem_cache *m_cache_frames;
792 
793 	/*
794 	 * hba options.
795 	 */
796 	uint_t		m_options;
797 
798 	int		m_in_callback;
799 
800 	int		m_power_level;	/* current power level */
801 
802 	int		m_busy;		/* power management busy state */
803 
804 	off_t		m_pmcsr_offset; /* PMCSR offset */
805 
806 	ddi_acc_handle_t m_config_handle;
807 
808 	ddi_dma_attr_t		m_io_dma_attr;	/* Used for data I/O */
809 	ddi_dma_attr_t		m_msg_dma_attr; /* Used for message frames */
810 	ddi_device_acc_attr_t	m_dev_acc_attr;
811 	ddi_device_acc_attr_t	m_reg_acc_attr;
812 
813 	/*
814 	 * request/reply variables
815 	 */
816 	caddr_t		m_req_frame;
817 	uint64_t	m_req_frame_dma_addr;
818 	caddr_t		m_req_sense;
819 	caddr_t		m_extreq_sense;
820 	uint_t		m_extreq_sense_refcount;
821 	kcondvar_t	m_extreq_sense_refcount_cv;
822 	uint64_t	m_req_sense_dma_addr;
823 	caddr_t		m_reply_frame;
824 	uint64_t	m_reply_frame_dma_addr;
825 	caddr_t		m_free_queue;
826 	uint64_t	m_free_queue_dma_addr;
827 	caddr_t		m_post_queue;
828 	uint64_t	m_post_queue_dma_addr;
829 	struct map	*m_erqsense_map;
830 
831 	m_replyh_arg_t *m_replyh_args;
832 
833 	uint16_t	m_max_requests;
834 	uint16_t	m_req_frame_size;
835 	uint16_t	m_req_sense_size;
836 
837 	/*
838 	 * Max frames per request reprted in IOC Facts
839 	 */
840 	uint8_t		m_max_chain_depth;
841 	/*
842 	 * Max frames per request which is used in reality. It's adjusted
843 	 * according DMA SG length attribute, and shall not exceed the
844 	 * m_max_chain_depth.
845 	 */
846 	uint8_t		m_max_request_frames;
847 
848 	uint16_t	m_free_queue_depth;
849 	uint16_t	m_post_queue_depth;
850 	uint16_t	m_max_replies;
851 	uint32_t	m_free_index;
852 	uint32_t	m_post_index;
853 	uint8_t		m_reply_frame_size;
854 	uint32_t	m_ioc_capabilities;
855 
856 	/*
857 	 * indicates if the firmware was upload by the driver
858 	 * at boot time
859 	 */
860 	ushort_t	m_fwupload;
861 
862 	uint16_t	m_productid;
863 
864 	/*
865 	 * per instance data structures for dma memory resources for
866 	 * MPI handshake protocol. only one handshake cmd can run at a time.
867 	 */
868 	ddi_dma_handle_t	m_hshk_dma_hdl;
869 	ddi_acc_handle_t	m_hshk_acc_hdl;
870 	caddr_t			m_hshk_memp;
871 	size_t			m_hshk_dma_size;
872 
873 	/* Firmware version on the card at boot time */
874 	uint32_t		m_fwversion;
875 
876 	/* MSI specific fields */
877 	ddi_intr_handle_t	*m_htable;	/* For array of interrupts */
878 	int			m_intr_type;	/* What type of interrupt */
879 	int			m_intr_cnt;	/* # of intrs count returned */
880 	size_t			m_intr_size;    /* Size of intr array */
881 	uint_t			m_intr_pri;	/* Interrupt priority   */
882 	int			m_intr_cap;	/* Interrupt capabilities */
883 	ddi_taskq_t		*m_event_taskq;
884 
885 	/* SAS specific information */
886 
887 	union {
888 		uint64_t	m_base_wwid;	/* Base WWID */
889 		struct {
890 #ifdef _BIG_ENDIAN
891 			uint32_t	m_base_wwid_hi;
892 			uint32_t	m_base_wwid_lo;
893 #else
894 			uint32_t	m_base_wwid_lo;
895 			uint32_t	m_base_wwid_hi;
896 #endif
897 		} sasaddr;
898 	} un;
899 
900 	uint8_t			m_num_phys;		/* # of PHYs */
901 	mptsas_phy_info_t	m_phy_info[MPTSAS_MAX_PHYS];
902 	uint8_t			m_port_chng;	/* initiator port changes */
903 	MPI2_CONFIG_PAGE_MAN_0   m_MANU_page0;   /* Manufactor page 0 info */
904 	MPI2_CONFIG_PAGE_MAN_1   m_MANU_page1;   /* Manufactor page 1 info */
905 
906 	/* FMA Capabilities */
907 	int			m_fm_capabilities;
908 	ddi_taskq_t		*m_dr_taskq;
909 	int			m_mpxio_enable;
910 	uint8_t			m_done_traverse_dev;
911 	uint8_t			m_done_traverse_smp;
912 	uint8_t			m_done_traverse_enc;
913 	int			m_diag_action_in_progress;
914 	uint16_t		m_dev_handle;
915 	uint16_t		m_smp_devhdl;
916 
917 	/*
918 	 * Event recording
919 	 */
920 	uint8_t			m_event_index;
921 	uint32_t		m_event_number;
922 	uint32_t		m_event_mask[4];
923 	mptsas_event_entry_t	m_events[MPTSAS_EVENT_QUEUE_SIZE];
924 
925 	/*
926 	 * FW diag Buffer List
927 	 */
928 	mptsas_fw_diagnostic_buffer_t
929 		m_fw_diag_buffer_list[MPI2_DIAG_BUF_TYPE_COUNT];
930 
931 	/* GEN3 support */
932 	uint8_t			m_MPI25;
933 
934 	/*
935 	 * Event Replay flag (MUR support)
936 	 */
937 	uint8_t			m_event_replay;
938 
939 	/*
940 	 * IR Capable flag
941 	 */
942 	uint8_t			m_ir_capable;
943 
944 	/*
945 	 * Is HBA processing a diag reset?
946 	 */
947 	uint8_t			m_in_reset;
948 
949 	/*
950 	 * per instance cmd data structures for task management cmds
951 	 */
952 	m_event_struct_t	m_event_task_mgmt;	/* must be last */
953 							/* ... scsi_pkt_size */
954 } mptsas_t;
955 #define	MPTSAS_SIZE	(sizeof (struct mptsas) - \
956 			sizeof (struct scsi_pkt) + scsi_pkt_size())
957 /*
958  * Only one of below two conditions is satisfied, we
959  * think the target is associated to the iport and
960  * allow call into mptsas_probe_lun().
961  * 1. physicalsport == physport
962  * 2. (phymask & (1 << physport)) == 0
963  * The condition #2 is because LSI uses lowest PHY
964  * number as the value of physical port when auto port
965  * configuration.
966  */
967 #define	IS_SAME_PORT(physicalport, physport, phymask, dynamicport) \
968 	((physicalport == physport) || (dynamicport && (phymask & \
969 	(1 << physport))))
970 
971 _NOTE(MUTEX_PROTECTS_DATA(mptsas::m_mutex, mptsas))
972 _NOTE(SCHEME_PROTECTS_DATA("safe sharing", mptsas::m_next))
973 _NOTE(SCHEME_PROTECTS_DATA("stable data", mptsas::m_dip mptsas::m_tran))
974 _NOTE(SCHEME_PROTECTS_DATA("stable data", mptsas::m_kmem_cache))
975 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_io_dma_attr.dma_attr_sgllen))
976 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_devid))
977 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_productid))
978 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_mpxio_enable))
979 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_instance))
980 
981 /*
982  * These should eventually migrate into the mpt header files
983  * that may become the /kernel/misc/mpt module...
984  */
985 #define	mptsas_init_std_hdr(hdl, mp, DevHandle, Lun, ChainOffset, Function) \
986 	mptsas_put_msg_DevHandle(hdl, mp, DevHandle); \
987 	mptsas_put_msg_ChainOffset(hdl, mp, ChainOffset); \
988 	mptsas_put_msg_Function(hdl, mp, Function); \
989 	mptsas_put_msg_Lun(hdl, mp, Lun)
990 
991 #define	mptsas_put_msg_DevHandle(hdl, mp, val) \
992 	ddi_put16(hdl, &(mp)->DevHandle, (val))
993 #define	mptsas_put_msg_ChainOffset(hdl, mp, val) \
994 	ddi_put8(hdl, &(mp)->ChainOffset, (val))
995 #define	mptsas_put_msg_Function(hdl, mp, val) \
996 	ddi_put8(hdl, &(mp)->Function, (val))
997 #define	mptsas_put_msg_Lun(hdl, mp, val) \
998 	ddi_put8(hdl, &(mp)->LUN[1], (val))
999 
1000 #define	mptsas_get_msg_Function(hdl, mp) \
1001 	ddi_get8(hdl, &(mp)->Function)
1002 
1003 #define	mptsas_get_msg_MsgFlags(hdl, mp) \
1004 	ddi_get8(hdl, &(mp)->MsgFlags)
1005 
1006 #define	MPTSAS_ENABLE_DRWE(hdl) \
1007 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
1008 		MPI2_WRSEQ_FLUSH_KEY_VALUE); \
1009 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
1010 		MPI2_WRSEQ_1ST_KEY_VALUE); \
1011 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
1012 		MPI2_WRSEQ_2ND_KEY_VALUE); \
1013 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
1014 		MPI2_WRSEQ_3RD_KEY_VALUE); \
1015 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
1016 		MPI2_WRSEQ_4TH_KEY_VALUE); \
1017 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
1018 		MPI2_WRSEQ_5TH_KEY_VALUE); \
1019 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
1020 		MPI2_WRSEQ_6TH_KEY_VALUE);
1021 
1022 /*
1023  * m_options flags
1024  */
1025 #define	MPTSAS_OPT_PM		0x01	/* Power Management */
1026 
1027 /*
1028  * m_softstate flags
1029  */
1030 #define	MPTSAS_SS_DRAINING		0x02
1031 #define	MPTSAS_SS_QUIESCED		0x04
1032 #define	MPTSAS_SS_MSG_UNIT_RESET	0x08
1033 #define	MPTSAS_DID_MSG_UNIT_RESET	0x10
1034 
1035 /*
1036  * regspec defines.
1037  */
1038 #define	CONFIG_SPACE	0	/* regset[0] - configuration space */
1039 #define	IO_SPACE	1	/* regset[1] - used for i/o mapped device */
1040 #define	MEM_SPACE	2	/* regset[2] - used for memory mapped device */
1041 #define	BASE_REG2	3	/* regset[3] - used for 875 scripts ram */
1042 
1043 /*
1044  * Handy constants
1045  */
1046 #define	FALSE		0
1047 #define	TRUE		1
1048 #define	UNDEFINED	-1
1049 #define	FAILED		-2
1050 
1051 /*
1052  * power management.
1053  */
1054 #define	MPTSAS_POWER_ON(mpt) { \
1055 	pci_config_put16(mpt->m_config_handle, mpt->m_pmcsr_offset, \
1056 	    PCI_PMCSR_D0); \
1057 	delay(drv_usectohz(10000)); \
1058 	(void) pci_restore_config_regs(mpt->m_dip); \
1059 	mptsas_setup_cmd_reg(mpt); \
1060 }
1061 
1062 #define	MPTSAS_POWER_OFF(mpt) { \
1063 	(void) pci_save_config_regs(mpt->m_dip); \
1064 	pci_config_put16(mpt->m_config_handle, mpt->m_pmcsr_offset, \
1065 	    PCI_PMCSR_D3HOT); \
1066 	mpt->m_power_level = PM_LEVEL_D3; \
1067 }
1068 
1069 /*
1070  * inq_dtype:
1071  * Bits 5 through 7 are the Peripheral Device Qualifier
1072  * 001b: device not connected to the LUN
1073  * Bits 0 through 4 are the Peripheral Device Type
1074  * 1fh: Unknown or no device type
1075  *
1076  * Although the inquiry may return success, the following value
1077  * means no valid LUN connected.
1078  */
1079 #define	MPTSAS_VALID_LUN(sd_inq) \
1080 	(((sd_inq->inq_dtype & 0xe0) != 0x20) && \
1081 	((sd_inq->inq_dtype & 0x1f) != 0x1f))
1082 
1083 /*
1084  * Default is to have 10 retries on receiving QFULL status and
1085  * each retry to be after 100 ms.
1086  */
1087 #define	QFULL_RETRIES		10
1088 #define	QFULL_RETRY_INTERVAL	100
1089 
1090 /*
1091  * Handy macros
1092  */
1093 #define	Tgt(sp)	((sp)->cmd_pkt->pkt_address.a_target)
1094 #define	Lun(sp)	((sp)->cmd_pkt->pkt_address.a_lun)
1095 
1096 #define	IS_HEX_DIGIT(n)	(((n) >= '0' && (n) <= '9') || \
1097 	((n) >= 'a' && (n) <= 'f') || ((n) >= 'A' && (n) <= 'F'))
1098 
1099 /*
1100  * poll time for mptsas_pollret() and mptsas_wait_intr()
1101  */
1102 #define	MPTSAS_POLL_TIME	30000	/* 30 seconds */
1103 
1104 /*
1105  * default time for mptsas_do_passthru
1106  */
1107 #define	MPTSAS_PASS_THRU_TIME_DEFAULT	60	/* 60 seconds */
1108 
1109 /*
1110  * macro to return the effective address of a given per-target field
1111  */
1112 #define	EFF_ADDR(start, offset)		((start) + (offset))
1113 
1114 #define	SDEV2ADDR(devp)		(&((devp)->sd_address))
1115 #define	SDEV2TRAN(devp)		((devp)->sd_address.a_hba_tran)
1116 #define	PKT2TRAN(pkt)		((pkt)->pkt_address.a_hba_tran)
1117 #define	ADDR2TRAN(ap)		((ap)->a_hba_tran)
1118 #define	DIP2TRAN(dip)		(ddi_get_driver_private(dip))
1119 
1120 
1121 #define	TRAN2MPT(hba)		((mptsas_t *)(hba)->tran_hba_private)
1122 #define	DIP2MPT(dip)		(TRAN2MPT((scsi_hba_tran_t *)DIP2TRAN(dip)))
1123 #define	SDEV2MPT(sd)		(TRAN2MPT(SDEV2TRAN(sd)))
1124 #define	PKT2MPT(pkt)		(TRAN2MPT(PKT2TRAN(pkt)))
1125 
1126 #define	ADDR2MPT(ap)		(TRAN2MPT(ADDR2TRAN(ap)))
1127 
1128 #define	POLL_TIMEOUT		(2 * SCSI_POLL_TIMEOUT * 1000000)
1129 #define	SHORT_POLL_TIMEOUT	(1000000)	/* in usec, about 1 secs */
1130 #define	MPTSAS_QUIESCE_TIMEOUT	1		/* 1 sec */
1131 #define	MPTSAS_PM_IDLE_TIMEOUT	60		/* 60 seconds */
1132 
1133 #define	MPTSAS_GET_ISTAT(mpt)  (ddi_get32((mpt)->m_datap, \
1134 			&(mpt)->m_reg->HostInterruptStatus))
1135 
1136 #define	MPTSAS_SET_SIGP(P) \
1137 		ClrSetBits(mpt->m_devaddr + NREG_ISTAT, 0, NB_ISTAT_SIGP)
1138 
1139 #define	MPTSAS_RESET_SIGP(P) (void) ddi_get8(mpt->m_datap, \
1140 			(uint8_t *)(mpt->m_devaddr + NREG_CTEST2))
1141 
1142 #define	MPTSAS_GET_INTCODE(P) (ddi_get32(mpt->m_datap, \
1143 			(uint32_t *)(mpt->m_devaddr + NREG_DSPS)))
1144 
1145 
1146 #define	MPTSAS_START_CMD(mpt, req_desc) \
1147 	ddi_put32(mpt->m_datap, &mpt->m_reg->RequestDescriptorPostLow,	\
1148 	    req_desc & 0xffffffffu);					\
1149 	ddi_put32(mpt->m_datap, &mpt->m_reg->RequestDescriptorPostHigh,	\
1150 	    (req_desc >> 32) & 0xffffffffu);
1151 
1152 #define	INTPENDING(mpt) \
1153 	(MPTSAS_GET_ISTAT(mpt) & MPI2_HIS_REPLY_DESCRIPTOR_INTERRUPT)
1154 
1155 /*
1156  * Mask all interrupts to disable
1157  */
1158 #define	MPTSAS_DISABLE_INTR(mpt)	\
1159 	ddi_put32((mpt)->m_datap, &(mpt)->m_reg->HostInterruptMask, \
1160 	    (MPI2_HIM_RIM | MPI2_HIM_DIM | MPI2_HIM_RESET_IRQ_MASK))
1161 
1162 /*
1163  * Mask Doorbell and Reset interrupts to enable reply desc int.
1164  */
1165 #define	MPTSAS_ENABLE_INTR(mpt)	\
1166 	ddi_put32(mpt->m_datap, &mpt->m_reg->HostInterruptMask, \
1167 	(MPI2_HIM_DIM | MPI2_HIM_RESET_IRQ_MASK))
1168 
1169 #define	MPTSAS_GET_NEXT_REPLY(mpt, index)  \
1170 	&((uint64_t *)(void *)mpt->m_post_queue)[index]
1171 
1172 #define	MPTSAS_GET_NEXT_FRAME(mpt, SMID) \
1173 	(mpt->m_req_frame + (mpt->m_req_frame_size * SMID))
1174 
1175 #define	ClrSetBits32(hdl, reg, clr, set) \
1176 	ddi_put32(hdl, (reg), \
1177 	    ((ddi_get32(mpt->m_datap, (reg)) & ~(clr)) | (set)))
1178 
1179 #define	ClrSetBits(reg, clr, set) \
1180 	ddi_put8(mpt->m_datap, (uint8_t *)(reg), \
1181 		((ddi_get8(mpt->m_datap, (uint8_t *)(reg)) & ~(clr)) | (set)))
1182 
1183 #define	MPTSAS_WAITQ_RM(mpt, cmdp)	\
1184 	if ((cmdp = mpt->m_waitq) != NULL) { \
1185 		/* If the queue is now empty fix the tail pointer */	\
1186 		if ((mpt->m_waitq = cmdp->cmd_linkp) == NULL) \
1187 			mpt->m_waitqtail = &mpt->m_waitq; \
1188 		cmdp->cmd_linkp = NULL; \
1189 		cmdp->cmd_queued = FALSE; \
1190 	}
1191 
1192 #define	MPTSAS_TX_WAITQ_RM(mpt, cmdp)	\
1193 	if ((cmdp = mpt->m_tx_waitq) != NULL) { \
1194 		/* If the queue is now empty fix the tail pointer */	\
1195 		if ((mpt->m_tx_waitq = cmdp->cmd_linkp) == NULL) \
1196 			mpt->m_tx_waitqtail = &mpt->m_tx_waitq; \
1197 		cmdp->cmd_linkp = NULL; \
1198 		cmdp->cmd_queued = FALSE; \
1199 	}
1200 
1201 /*
1202  * defaults for	the global properties
1203  */
1204 #define	DEFAULT_SCSI_OPTIONS	SCSI_OPTIONS_DR
1205 #define	DEFAULT_TAG_AGE_LIMIT	2
1206 #define	DEFAULT_WD_TICK		1
1207 
1208 /*
1209  * invalid hostid.
1210  */
1211 #define	MPTSAS_INVALID_HOSTID  -1
1212 
1213 /*
1214  * Get/Set hostid from SCSI port configuration page
1215  */
1216 #define	MPTSAS_GET_HOST_ID(configuration) (configuration & 0xFF)
1217 #define	MPTSAS_SET_HOST_ID(hostid) (hostid | ((1 << hostid) << 16))
1218 
1219 /*
1220  * Config space.
1221  */
1222 #define	MPTSAS_LATENCY_TIMER	0x40
1223 
1224 /*
1225  * Offset to firmware version
1226  */
1227 #define	MPTSAS_FW_VERSION_OFFSET	9
1228 
1229 /*
1230  * Offset and masks to get at the ProductId field
1231  */
1232 #define	MPTSAS_FW_PRODUCTID_OFFSET	8
1233 #define	MPTSAS_FW_PRODUCTID_MASK	0xFFFF0000
1234 #define	MPTSAS_FW_PRODUCTID_SHIFT	16
1235 
1236 /*
1237  * Subsystem ID for HBAs.
1238  */
1239 #define	MPTSAS_HBA_SUBSYSTEM_ID    0x10C0
1240 #define	MPTSAS_RHEA_SUBSYSTEM_ID	0x10B0
1241 
1242 /*
1243  * reset delay tick
1244  */
1245 #define	MPTSAS_WATCH_RESET_DELAY_TICK 50	/* specified in milli seconds */
1246 
1247 /*
1248  * Ioc reset return values
1249  */
1250 #define	MPTSAS_RESET_FAIL	-1
1251 #define	MPTSAS_NO_RESET		0
1252 #define	MPTSAS_SUCCESS_HARDRESET	1
1253 #define	MPTSAS_SUCCESS_MUR	2
1254 
1255 /*
1256  * throttle support.
1257  */
1258 #define	MAX_THROTTLE	32
1259 #define	HOLD_THROTTLE	0
1260 #define	DRAIN_THROTTLE	-1
1261 #define	QFULL_THROTTLE	-2
1262 
1263 /*
1264  * Passthrough/config request flags
1265  */
1266 #define	MPTSAS_DATA_ALLOCATED		0x0001
1267 #define	MPTSAS_DATAOUT_ALLOCATED	0x0002
1268 #define	MPTSAS_REQUEST_POOL_CMD		0x0004
1269 #define	MPTSAS_ADDRESS_REPLY		0x0008
1270 #define	MPTSAS_CMD_TIMEOUT		0x0010
1271 
1272 /*
1273  * response code tlr flag
1274  */
1275 #define	MPTSAS_SCSI_RESPONSE_CODE_TLR_OFF	0x02
1276 
1277 /*
1278  * System Events
1279  */
1280 #ifndef	DDI_VENDOR_LSI
1281 #define	DDI_VENDOR_LSI	"LSI"
1282 #endif	/* DDI_VENDOR_LSI */
1283 
1284 /*
1285  * Shared functions
1286  */
1287 int mptsas_save_cmd(struct mptsas *mpt, struct mptsas_cmd *cmd);
1288 void mptsas_remove_cmd(mptsas_t *mpt, mptsas_cmd_t *cmd);
1289 void mptsas_waitq_add(mptsas_t *mpt, mptsas_cmd_t *cmd);
1290 void mptsas_log(struct mptsas *mpt, int level, char *fmt, ...);
1291 int mptsas_poll(mptsas_t *mpt, mptsas_cmd_t *poll_cmd, int polltime);
1292 int mptsas_do_dma(mptsas_t *mpt, uint32_t size, int var, int (*callback)());
1293 int mptsas_update_flash(mptsas_t *mpt, caddr_t ptrbuffer, uint32_t size,
1294 	uint8_t type, int mode);
1295 int mptsas_check_flash(mptsas_t *mpt, caddr_t origfile, uint32_t size,
1296 	uint8_t type, int mode);
1297 int mptsas_download_firmware();
1298 int mptsas_can_download_firmware();
1299 int mptsas_dma_alloc(mptsas_t *mpt, mptsas_dma_alloc_state_t *dma_statep);
1300 void mptsas_dma_free(mptsas_dma_alloc_state_t *dma_statep);
1301 mptsas_phymask_t mptsas_physport_to_phymask(mptsas_t *mpt, uint8_t physport);
1302 void mptsas_fma_check(mptsas_t *mpt, mptsas_cmd_t *cmd);
1303 int mptsas_check_acc_handle(ddi_acc_handle_t handle);
1304 int mptsas_check_dma_handle(ddi_dma_handle_t handle);
1305 void mptsas_fm_ereport(mptsas_t *mpt, char *detail);
1306 int mptsas_dma_addr_create(mptsas_t *mpt, ddi_dma_attr_t dma_attr,
1307     ddi_dma_handle_t *dma_hdp, ddi_acc_handle_t *acc_hdp, caddr_t *dma_memp,
1308     uint32_t alloc_size, ddi_dma_cookie_t *cookiep);
1309 void mptsas_dma_addr_destroy(ddi_dma_handle_t *, ddi_acc_handle_t *);
1310 
1311 /*
1312  * impl functions
1313  */
1314 int mptsas_ioc_wait_for_response(mptsas_t *mpt);
1315 int mptsas_ioc_wait_for_doorbell(mptsas_t *mpt);
1316 int mptsas_ioc_reset(mptsas_t *mpt, int);
1317 int mptsas_send_handshake_msg(mptsas_t *mpt, caddr_t memp, int numbytes,
1318     ddi_acc_handle_t accessp);
1319 int mptsas_get_handshake_msg(mptsas_t *mpt, caddr_t memp, int numbytes,
1320     ddi_acc_handle_t accessp);
1321 int mptsas_send_config_request_msg(mptsas_t *mpt, uint8_t action,
1322     uint8_t pagetype, uint32_t pageaddress, uint8_t pagenumber,
1323     uint8_t pageversion, uint8_t pagelength, uint32_t SGEflagslength,
1324     uint64_t SGEaddress);
1325 int mptsas_send_extended_config_request_msg(mptsas_t *mpt, uint8_t action,
1326     uint8_t extpagetype, uint32_t pageaddress, uint8_t pagenumber,
1327     uint8_t pageversion, uint16_t extpagelength,
1328     uint32_t SGEflagslength, uint64_t SGEaddress);
1329 
1330 int mptsas_request_from_pool(mptsas_t *mpt, mptsas_cmd_t **cmd,
1331     struct scsi_pkt **pkt);
1332 void mptsas_return_to_pool(mptsas_t *mpt, mptsas_cmd_t *cmd);
1333 void mptsas_destroy_ioc_event_cmd(mptsas_t *mpt);
1334 void mptsas_start_config_page_access(mptsas_t *mpt, mptsas_cmd_t *cmd);
1335 int mptsas_access_config_page(mptsas_t *mpt, uint8_t action, uint8_t page_type,
1336     uint8_t page_number, uint32_t page_address, int (*callback) (mptsas_t *,
1337     caddr_t, ddi_acc_handle_t, uint16_t, uint32_t, va_list), ...);
1338 
1339 int mptsas_ioc_task_management(mptsas_t *mpt, int task_type,
1340     uint16_t dev_handle, int lun, uint8_t *reply, uint32_t reply_size,
1341     int mode);
1342 int mptsas_send_event_ack(mptsas_t *mpt, uint32_t event, uint32_t eventcntx);
1343 void mptsas_send_pending_event_ack(mptsas_t *mpt);
1344 void mptsas_set_throttle(struct mptsas *mpt, mptsas_target_t *ptgt, int what);
1345 int mptsas_restart_ioc(mptsas_t *mpt);
1346 void mptsas_update_driver_data(struct mptsas *mpt);
1347 uint64_t mptsas_get_sata_guid(mptsas_t *mpt, mptsas_target_t *ptgt, int lun);
1348 
1349 /*
1350  * init functions
1351  */
1352 int mptsas_ioc_get_facts(mptsas_t *mpt);
1353 int mptsas_ioc_get_port_facts(mptsas_t *mpt, int port);
1354 int mptsas_ioc_enable_port(mptsas_t *mpt);
1355 int mptsas_ioc_enable_event_notification(mptsas_t *mpt);
1356 int mptsas_ioc_init(mptsas_t *mpt);
1357 
1358 /*
1359  * configuration pages operation
1360  */
1361 int mptsas_get_sas_device_page0(mptsas_t *mpt, uint32_t page_address,
1362     uint16_t *dev_handle, uint64_t *sas_wwn, uint32_t *dev_info,
1363     uint8_t *physport, uint8_t *phynum, uint16_t *pdevhandle,
1364     uint16_t *slot_num, uint16_t *enclosure, uint16_t *io_flags);
1365 int mptsas_get_sas_io_unit_page(mptsas_t *mpt);
1366 int mptsas_get_sas_io_unit_page_hndshk(mptsas_t *mpt);
1367 int mptsas_get_sas_expander_page0(mptsas_t *mpt, uint32_t page_address,
1368     mptsas_smp_t *info);
1369 int mptsas_set_ioc_params(mptsas_t *mpt);
1370 int mptsas_get_manufacture_page5(mptsas_t *mpt);
1371 int mptsas_get_sas_port_page0(mptsas_t *mpt, uint32_t page_address,
1372     uint64_t *sas_wwn, uint8_t *portwidth);
1373 int mptsas_get_bios_page3(mptsas_t *mpt,  uint32_t *bios_version);
1374 int mptsas_get_sas_phy_page0(mptsas_t *mpt, uint32_t page_address,
1375     smhba_info_t *info);
1376 int mptsas_get_sas_phy_page1(mptsas_t *mpt, uint32_t page_address,
1377     smhba_info_t *info);
1378 int mptsas_get_manufacture_page0(mptsas_t *mpt);
1379 int mptsas_get_enclosure_page0(mptsas_t *mpt, uint32_t page_address,
1380     mptsas_enclosure_t *mpe);
1381 void mptsas_create_phy_stats(mptsas_t *mpt, char *iport, dev_info_t *dip);
1382 void mptsas_destroy_phy_stats(mptsas_t *mpt);
1383 int mptsas_smhba_phy_init(mptsas_t *mpt);
1384 /*
1385  * RAID functions
1386  */
1387 int mptsas_get_raid_settings(mptsas_t *mpt, mptsas_raidvol_t *raidvol);
1388 int mptsas_get_raid_info(mptsas_t *mpt);
1389 int mptsas_get_physdisk_settings(mptsas_t *mpt, mptsas_raidvol_t *raidvol,
1390     uint8_t physdisknum);
1391 int mptsas_delete_volume(mptsas_t *mpt, uint16_t volid);
1392 void mptsas_raid_action_system_shutdown(mptsas_t *mpt);
1393 
1394 #define	MPTSAS_IOCSTATUS(status) (status & MPI2_IOCSTATUS_MASK)
1395 /*
1396  * debugging.
1397  * MPTSAS_DBGLOG_LINECNT must be a power of 2.
1398  */
1399 #define	MPTSAS_DBGLOG_LINECNT	128
1400 #define	MPTSAS_DBGLOG_LINELEN	256
1401 #define	MPTSAS_DBGLOG_BUFSIZE	(MPTSAS_DBGLOG_LINECNT * MPTSAS_DBGLOG_LINELEN)
1402 
1403 #if defined(MPTSAS_DEBUG)
1404 
1405 extern uint32_t mptsas_debugprt_flags;
1406 extern uint32_t mptsas_debuglog_flags;
1407 
1408 void mptsas_printf(char *fmt, ...);
1409 void mptsas_debug_log(char *fmt, ...);
1410 
1411 #define	MPTSAS_DBGPR(m, args)	\
1412 	if (mptsas_debugprt_flags & (m)) \
1413 		mptsas_printf args;   \
1414 	if (mptsas_debuglog_flags & (m)) \
1415 		mptsas_debug_log args
1416 #else	/* ! defined(MPTSAS_DEBUG) */
1417 #define	MPTSAS_DBGPR(m, args)
1418 #endif	/* defined(MPTSAS_DEBUG) */
1419 
1420 #define	NDBG0(args)	MPTSAS_DBGPR(0x01, args)	/* init	*/
1421 #define	NDBG1(args)	MPTSAS_DBGPR(0x02, args)	/* normal running */
1422 #define	NDBG2(args)	MPTSAS_DBGPR(0x04, args)	/* property handling */
1423 #define	NDBG3(args)	MPTSAS_DBGPR(0x08, args)	/* pkt handling */
1424 
1425 #define	NDBG4(args)	MPTSAS_DBGPR(0x10, args)	/* kmem alloc/free */
1426 #define	NDBG5(args)	MPTSAS_DBGPR(0x20, args)	/* polled cmds */
1427 #define	NDBG6(args)	MPTSAS_DBGPR(0x40, args)	/* interrupts */
1428 #define	NDBG7(args)	MPTSAS_DBGPR(0x80, args)	/* queue handling */
1429 
1430 #define	NDBG8(args)	MPTSAS_DBGPR(0x0100, args)	/* arq */
1431 #define	NDBG9(args)	MPTSAS_DBGPR(0x0200, args)	/* Tagged Q'ing */
1432 #define	NDBG10(args)	MPTSAS_DBGPR(0x0400, args)	/* halting chip */
1433 #define	NDBG11(args)	MPTSAS_DBGPR(0x0800, args)	/* power management */
1434 
1435 #define	NDBG12(args)	MPTSAS_DBGPR(0x1000, args)	/* enumeration */
1436 #define	NDBG13(args)	MPTSAS_DBGPR(0x2000, args)	/* configuration page */
1437 #define	NDBG14(args)	MPTSAS_DBGPR(0x4000, args)	/* LED control */
1438 #define	NDBG15(args)	MPTSAS_DBGPR(0x8000, args)	/* Passthrough */
1439 
1440 #define	NDBG16(args)	MPTSAS_DBGPR(0x010000, args)	/* SAS Broadcasts */
1441 #define	NDBG17(args)	MPTSAS_DBGPR(0x020000, args)	/* scatter/gather */
1442 #define	NDBG18(args)	MPTSAS_DBGPR(0x040000, args)
1443 #define	NDBG19(args)	MPTSAS_DBGPR(0x080000, args)	/* handshaking */
1444 
1445 #define	NDBG20(args)	MPTSAS_DBGPR(0x100000, args)	/* events */
1446 #define	NDBG21(args)	MPTSAS_DBGPR(0x200000, args)	/* dma */
1447 #define	NDBG22(args)	MPTSAS_DBGPR(0x400000, args)	/* reset */
1448 #define	NDBG23(args)	MPTSAS_DBGPR(0x800000, args)	/* abort */
1449 
1450 #define	NDBG24(args)	MPTSAS_DBGPR(0x1000000, args)	/* capabilities */
1451 #define	NDBG25(args)	MPTSAS_DBGPR(0x2000000, args)	/* flushing */
1452 #define	NDBG26(args)	MPTSAS_DBGPR(0x4000000, args)
1453 #define	NDBG27(args)	MPTSAS_DBGPR(0x8000000, args)	/* passthrough */
1454 
1455 #define	NDBG28(args)	MPTSAS_DBGPR(0x10000000, args)	/* hotplug */
1456 #define	NDBG29(args)	MPTSAS_DBGPR(0x20000000, args)	/* timeouts */
1457 #define	NDBG30(args)	MPTSAS_DBGPR(0x40000000, args)	/* mptsas_watch */
1458 #define	NDBG31(args)	MPTSAS_DBGPR(0x80000000, args)	/* negotations */
1459 
1460 /*
1461  * auto request sense
1462  */
1463 #define	RQ_MAKECOM_COMMON(pkt, flag, cmd) \
1464 	(pkt)->pkt_flags = (flag), \
1465 	((union scsi_cdb *)(pkt)->pkt_cdbp)->scc_cmd = (cmd), \
1466 	((union scsi_cdb *)(pkt)->pkt_cdbp)->scc_lun = \
1467 	    (pkt)->pkt_address.a_lun
1468 
1469 #define	RQ_MAKECOM_G0(pkt, flag, cmd, addr, cnt) \
1470 	RQ_MAKECOM_COMMON((pkt), (flag), (cmd)), \
1471 	FORMG0ADDR(((union scsi_cdb *)(pkt)->pkt_cdbp), (addr)), \
1472 	FORMG0COUNT(((union scsi_cdb *)(pkt)->pkt_cdbp), (cnt))
1473 
1474 
1475 #ifdef	__cplusplus
1476 }
1477 #endif
1478 
1479 #endif	/* _SYS_SCSI_ADAPTERS_MPTVAR_H */
1480