xref: /illumos-gate/usr/src/uts/common/sys/scsi/adapters/mpt_sas/mptsas_var.h (revision 170affdd7228a2c069dff7e7ab890022ff6793d0)
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 2010 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  * Copyright (c) 2000 to 2010, LSI Corporation.
29  * All rights reserved.
30  *
31  * Redistribution and use in source and binary forms of all code within
32  * this file that is exclusively owned by LSI, with or without
33  * modification, is permitted provided that, in addition to the CDDL 1.0
34  * License requirements, the following conditions are met:
35  *
36  *    Neither the name of the author nor the names of its contributors may be
37  *    used to endorse or promote products derived from this software without
38  *    specific prior written permission.
39  *
40  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
41  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
42  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
43  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
44  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
45  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
46  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
47  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
48  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
49  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
50  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
51  * DAMAGE.
52  */
53 
54 #ifndef _SYS_SCSI_ADAPTERS_MPTVAR_H
55 #define	_SYS_SCSI_ADAPTERS_MPTVAR_H
56 
57 #include <sys/byteorder.h>
58 #include <sys/isa_defs.h>
59 #include <sys/sunmdi.h>
60 #include <sys/mdi_impldefs.h>
61 #include <sys/scsi/adapters/mpt_sas/mptsas_ioctl.h>
62 
63 #ifdef	__cplusplus
64 extern "C" {
65 #endif
66 
67 /*
68  * Compile options
69  */
70 #ifdef DEBUG
71 #define	MPTSAS_DEBUG		/* turn on debugging code */
72 #endif	/* DEBUG */
73 
74 #define	MPTSAS_INITIAL_SOFT_SPACE	4
75 
76 #define	MAX_MPI_PORTS		16
77 
78 /*
79  * Note below macro definition and data type definition
80  * are used for phy mask handling, it should be changed
81  * simultaneously.
82  */
83 #define	MPTSAS_MAX_PHYS		16
84 typedef uint16_t		mptsas_phymask_t;
85 
86 #define	MPTSAS_INVALID_DEVHDL	0xffff
87 
88 /*
89  * MPT HW defines
90  */
91 #define	MPTSAS_MAX_DISKS_IN_CONFIG	14
92 #define	MPTSAS_MAX_DISKS_IN_VOL		10
93 #define	MPTSAS_MAX_HOTSPARES		2
94 #define	MPTSAS_MAX_RAIDVOLS		2
95 #define	MPTSAS_MAX_RAIDCONFIGS		5
96 
97 /*
98  * 64-bit SAS WWN is displayed as 16 characters as HEX characters,
99  * plus one means the end of the string '\0'.
100  */
101 #define	MPTSAS_WWN_STRLEN 16 + 1
102 #define	MPTSAS_MAX_GUID_LEN	64
103 
104 /*
105  * DMA routine flags
106  */
107 #define	MPTSAS_DMA_HANDLE_ALLOCD	0x2
108 #define	MPTSAS_DMA_MEMORY_ALLOCD	0x4
109 #define	MPTSAS_DMA_HANDLE_BOUND	0x8
110 
111 /*
112  * If the HBA supports DMA or bus-mastering, you may have your own
113  * scatter-gather list for physically non-contiguous memory in one
114  * I/O operation; if so, there's probably a size for that list.
115  * It must be placed in the ddi_dma_lim_t structure, so that the system
116  * DMA-support routines can use it to break up the I/O request, so we
117  * define it here.
118  */
119 #if defined(__sparc)
120 #define	MPTSAS_MAX_DMA_SEGS	1
121 #define	MPTSAS_MAX_CMD_SEGS	1
122 #else
123 #define	MPTSAS_MAX_DMA_SEGS	256
124 #define	MPTSAS_MAX_CMD_SEGS	257
125 #endif
126 #define	MPTSAS_MAX_FRAME_SGES(mpt) \
127 	(((mpt->m_req_frame_size - (sizeof (MPI2_SCSI_IO_REQUEST))) / 8) + 1)
128 
129 /*
130  * Caculating how many 64-bit DMA simple elements can be stored in the first
131  * frame. Note that msg_scsi_io_request contains 2 double-words (8 bytes) for
132  * element storage.  And 64-bit dma element is 3 double-words (12 bytes) in
133  * size.
134  */
135 #define	MPTSAS_MAX_FRAME_SGES64(mpt) \
136 	((mpt->m_req_frame_size - \
137 	(sizeof (MPI2_SCSI_IO_REQUEST)) + sizeof (MPI2_SGE_IO_UNION)) / 12)
138 
139 /*
140  * Scatter-gather list structure defined by HBA hardware
141  */
142 typedef	struct NcrTableIndirect {	/* Table Indirect entries */
143 	uint32_t count;		/* 24 bit count */
144 	union {
145 		uint32_t address32;	/* 32 bit address */
146 		struct {
147 			uint32_t Low;
148 			uint32_t High;
149 		} address64;		/* 64 bit address */
150 	} addr;
151 } mptti_t;
152 
153 /*
154  * preferred pkt_private length in 64-bit quantities
155  */
156 #ifdef	_LP64
157 #define	PKT_PRIV_SIZE	2
158 #define	PKT_PRIV_LEN	16	/* in bytes */
159 #else /* _ILP32 */
160 #define	PKT_PRIV_SIZE	1
161 #define	PKT_PRIV_LEN	8	/* in bytes */
162 #endif
163 
164 #define	PKT2CMD(pkt)	((struct mptsas_cmd *)((pkt)->pkt_ha_private))
165 #define	CMD2PKT(cmdp)	((struct scsi_pkt *)((cmdp)->cmd_pkt))
166 #define	EXTCMDS_STATUS_SIZE (sizeof (struct scsi_arq_status))
167 
168 /*
169  * get offset of item in structure
170  */
171 #define	MPTSAS_GET_ITEM_OFF(type, member) ((size_t)(&((type *)0)->member))
172 
173 /*
174  * WWID provided by LSI firmware is generated by firmware but the WWID is not
175  * IEEE NAA standard format, OBP has no chance to distinguish format of unit
176  * address. According LSI's confirmation, the top nibble of RAID WWID is
177  * meanless, so the consensus between Solaris and OBP is to replace top nibble
178  * of WWID provided by LSI to "3" always to hint OBP that this is a RAID WWID
179  * format unit address.
180  */
181 #define	MPTSAS_RAID_WWID(wwid) \
182 	((wwid & 0x0FFFFFFFFFFFFFFF) | 0x3000000000000000)
183 
184 typedef	struct mptsas_target {
185 		uint64_t		m_sas_wwn;	/* hash key1 */
186 		mptsas_phymask_t	m_phymask;	/* hash key2 */
187 		/*
188 		 * m_dr_flag is a flag for DR, make sure the member
189 		 * take the place of dr_flag of mptsas_hash_data.
190 		 */
191 		uint8_t			m_dr_flag;	/* dr_flag */
192 		uint16_t		m_devhdl;
193 		uint32_t		m_deviceinfo;
194 		uint8_t			m_phynum;
195 		uint32_t		m_dups;
196 		int32_t			m_timeout;
197 		int32_t			m_timebase;
198 		int32_t			m_t_throttle;
199 		int32_t			m_t_ncmds;
200 		int32_t			m_reset_delay;
201 		int32_t			m_t_nwait;
202 
203 		uint16_t		m_qfull_retry_interval;
204 		uint8_t			m_qfull_retries;
205 
206 } mptsas_target_t;
207 
208 typedef struct mptsas_smp {
209 	uint64_t	m_sasaddr;	/* hash key1 */
210 	mptsas_phymask_t m_phymask;	/* hash key2 */
211 	uint8_t		reserved1;
212 	uint16_t	m_devhdl;
213 	uint32_t	m_deviceinfo;
214 } mptsas_smp_t;
215 
216 typedef struct mptsas_hash_data {
217 	uint64_t	key1;
218 	mptsas_phymask_t key2;
219 	uint8_t		dr_flag;
220 	uint16_t	devhdl;
221 	uint32_t	device_info;
222 } mptsas_hash_data_t;
223 
224 typedef struct mptsas_cache_frames {
225 	ddi_dma_handle_t m_dma_hdl;
226 	ddi_acc_handle_t m_acc_hdl;
227 	caddr_t m_frames_addr;
228 	uint32_t m_phys_addr;
229 } mptsas_cache_frames_t;
230 
231 typedef struct	mptsas_cmd {
232 	uint_t			cmd_flags;	/* flags from scsi_init_pkt */
233 	ddi_dma_handle_t	cmd_dmahandle;	/* dma handle */
234 	ddi_dma_cookie_t	cmd_cookie;
235 	uint_t			cmd_cookiec;
236 	uint_t			cmd_winindex;
237 	uint_t			cmd_nwin;
238 	uint_t			cmd_cur_cookie;
239 	off_t			cmd_dma_offset;
240 	size_t			cmd_dma_len;
241 	uint32_t		cmd_totaldmacount;
242 
243 	ddi_dma_handle_t	cmd_arqhandle;	/* dma arq handle */
244 	ddi_dma_cookie_t	cmd_arqcookie;
245 	struct buf		*cmd_arq_buf;
246 	ddi_dma_handle_t	cmd_ext_arqhandle; /* dma extern arq handle */
247 	ddi_dma_cookie_t	cmd_ext_arqcookie;
248 	struct buf		*cmd_ext_arq_buf;
249 
250 	int			cmd_pkt_flags;
251 
252 	/* timer for command in active slot */
253 	int			cmd_active_timeout;
254 
255 	struct scsi_pkt		*cmd_pkt;
256 	struct scsi_arq_status	cmd_scb;
257 	uchar_t			cmd_cdblen;	/* length of cdb */
258 	uchar_t			cmd_rqslen;	/* len of requested rqsense */
259 	uchar_t			cmd_privlen;
260 	uint_t			cmd_scblen;
261 	uint32_t		cmd_dmacount;
262 	uint64_t		cmd_dma_addr;
263 	uchar_t			cmd_age;
264 	ushort_t		cmd_qfull_retries;
265 	uchar_t			cmd_queued;	/* true if queued */
266 	struct mptsas_cmd	*cmd_linkp;
267 	mptti_t			*cmd_sg; /* Scatter/Gather structure */
268 	uchar_t			cmd_cdb[SCSI_CDB_SIZE];
269 	uint64_t		cmd_pkt_private[PKT_PRIV_LEN];
270 	uint32_t		cmd_slot;
271 	uint32_t		ioc_cmd_slot;
272 
273 	mptsas_cache_frames_t	*cmd_extra_frames;
274 
275 	uint32_t		cmd_rfm;
276 	mptsas_target_t		*cmd_tgt_addr;
277 } mptsas_cmd_t;
278 
279 /*
280  * These are the defined cmd_flags for this structure.
281  */
282 #define	CFLAG_CMDDISC		0x000001 /* cmd currently disconnected */
283 #define	CFLAG_WATCH		0x000002 /* watchdog time for this command */
284 #define	CFLAG_FINISHED		0x000004 /* command completed */
285 #define	CFLAG_CHKSEG		0x000008 /* check cmd_data within seg */
286 #define	CFLAG_COMPLETED		0x000010 /* completion routine called */
287 #define	CFLAG_PREPARED		0x000020 /* pkt has been init'ed */
288 #define	CFLAG_IN_TRANSPORT	0x000040 /* in use by host adapter driver */
289 #define	CFLAG_RESTORE_PTRS	0x000080 /* implicit restore ptr on reconnect */
290 #define	CFLAG_ARQ_IN_PROGRESS	0x000100 /* auto request sense in progress */
291 #define	CFLAG_TRANFLAG		0x0001ff /* covers transport part of flags */
292 #define	CFLAG_TM_CMD		0x000200 /* cmd is a task management command */
293 #define	CFLAG_CMDARQ		0x000400 /* cmd is a 'rqsense' command */
294 #define	CFLAG_DMAVALID		0x000800 /* dma mapping valid */
295 #define	CFLAG_DMASEND		0x001000 /* data is going 'out' */
296 #define	CFLAG_CMDIOPB		0x002000 /* this is an 'iopb' packet */
297 #define	CFLAG_CDBEXTERN		0x004000 /* cdb kmem_alloc'd */
298 #define	CFLAG_SCBEXTERN		0x008000 /* scb kmem_alloc'd */
299 #define	CFLAG_FREE		0x010000 /* packet is on free list */
300 #define	CFLAG_PRIVEXTERN	0x020000 /* target private kmem_alloc'd */
301 #define	CFLAG_DMA_PARTIAL	0x040000 /* partial xfer OK */
302 #define	CFLAG_QFULL_STATUS	0x080000 /* pkt got qfull status */
303 #define	CFLAG_TIMEOUT		0x100000 /* passthru/config command timeout */
304 #define	CFLAG_PMM_RECEIVED	0x200000 /* use cmd_pmm* for saving pointers */
305 #define	CFLAG_RETRY		0x400000 /* cmd has been retried */
306 #define	CFLAG_CMDIOC		0x800000 /* cmd is just for for ioc, no io */
307 #define	CFLAG_EXTARQBUFVALID	0x1000000 /* extern arq buf handle is valid */
308 #define	CFLAG_PASSTHRU		0x2000000 /* cmd is a passthrough command */
309 #define	CFLAG_XARQ		0x4000000 /* cmd requests for extra sense */
310 #define	CFLAG_CMDACK		0x8000000 /* cmd for event ack */
311 #define	CFLAG_TXQ		0x10000000 /* cmd queued in the tx_waitq */
312 #define	CFLAG_FW_CMD		0x20000000 /* cmd is a fw up/down command */
313 #define	CFLAG_CONFIG		0x40000000 /* cmd is for config header/page */
314 #define	CFLAG_FW_DIAG		0x80000000 /* cmd is for FW diag buffers */
315 
316 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_SIZE			8
317 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_MASK			0xC0
318 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_PERIPHERAL			0x00
319 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_FLAT_SPACE			0x40
320 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT		0x80
321 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_EXTENDED_UNIT		0xC0
322 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_2B		0x00
323 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_4B		0x01
324 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_6B		0x10
325 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_8B		0x20
326 #define	MPTSAS_SCSI_REPORTLUNS_ADDRESS_LOGICAL_UNIT_SIZE		0x30
327 
328 #define	MPTSAS_HASH_ARRAY_SIZE	16
329 /*
330  * hash table definition
331  */
332 
333 #define	MPTSAS_HASH_FIRST	0xffff
334 #define	MPTSAS_HASH_NEXT	0x0000
335 
336 typedef struct mptsas_dma_alloc_state
337 {
338 	ddi_dma_handle_t	handle;
339 	caddr_t			memp;
340 	size_t			size;
341 	ddi_acc_handle_t	accessp;
342 	ddi_dma_cookie_t	cookie;
343 } mptsas_dma_alloc_state_t;
344 
345 /*
346  * passthrough request structure
347  */
348 typedef struct mptsas_pt_request {
349 	uint8_t *request;
350 	uint32_t request_size;
351 	uint32_t data_size;
352 	uint32_t dataout_size;
353 	uint32_t direction;
354 	ddi_dma_cookie_t data_cookie;
355 	ddi_dma_cookie_t dataout_cookie;
356 } mptsas_pt_request_t;
357 
358 /*
359  * config page request structure
360  */
361 typedef struct mptsas_config_request {
362 	uint32_t	page_address;
363 	uint8_t		action;
364 	uint8_t		page_type;
365 	uint8_t		page_number;
366 	uint8_t		page_length;
367 	uint8_t		page_version;
368 	uint8_t		ext_page_type;
369 	uint16_t	ext_page_length;
370 } mptsas_config_request_t;
371 
372 typedef struct mptsas_fw_diagnostic_buffer {
373 	mptsas_dma_alloc_state_t	buffer_data;
374 	uint8_t				extended_type;
375 	uint8_t				buffer_type;
376 	uint8_t				force_release;
377 	uint32_t			product_specific[23];
378 	uint8_t				immediate;
379 	uint8_t				enabled;
380 	uint8_t				valid_data;
381 	uint8_t				owned_by_firmware;
382 	uint32_t			unique_id;
383 } mptsas_fw_diagnostic_buffer_t;
384 
385 /*
386  * FW diag request structure
387  */
388 typedef struct mptsas_diag_request {
389 	mptsas_fw_diagnostic_buffer_t	*pBuffer;
390 	uint8_t				function;
391 } mptsas_diag_request_t;
392 
393 typedef struct mptsas_hash_node {
394 	void *data;
395 	struct mptsas_hash_node *next;
396 } mptsas_hash_node_t;
397 
398 typedef struct mptsas_hash_table {
399 	struct mptsas_hash_node *head[MPTSAS_HASH_ARRAY_SIZE];
400 	/*
401 	 * last position in traverse
402 	 */
403 	struct mptsas_hash_node *cur;
404 	uint16_t line;
405 
406 } mptsas_hash_table_t;
407 
408 /*
409  * RAID volume information
410  */
411 typedef struct mptsas_raidvol {
412 	ushort_t	m_israid;
413 	uint16_t	m_raidhandle;
414 	uint64_t	m_raidwwid;
415 	uint8_t		m_state;
416 	uint32_t	m_statusflags;
417 	uint32_t	m_settings;
418 	uint16_t	m_devhdl[MPTSAS_MAX_DISKS_IN_VOL];
419 	uint8_t		m_disknum[MPTSAS_MAX_DISKS_IN_VOL];
420 	ushort_t	m_diskstatus[MPTSAS_MAX_DISKS_IN_VOL];
421 	uint64_t	m_raidsize;
422 	int		m_raidlevel;
423 	int		m_ndisks;
424 	mptsas_target_t	*m_raidtgt;
425 } mptsas_raidvol_t;
426 
427 /*
428  * RAID configurations
429  */
430 typedef struct mptsas_raidconfig {
431 		mptsas_raidvol_t	m_raidvol[MPTSAS_MAX_RAIDVOLS];
432 		uint16_t		m_physdisk_devhdl[
433 					    MPTSAS_MAX_DISKS_IN_CONFIG];
434 		uint8_t			m_native;
435 } m_raidconfig_t;
436 
437 /*
438  * Structure to hold active outstanding cmds.  Also, keep
439  * timeout on a per target basis.
440  */
441 typedef struct mptsas_slots {
442 	mptsas_hash_table_t	m_tgttbl;
443 	mptsas_hash_table_t	m_smptbl;
444 	m_raidconfig_t		m_raidconfig[MPTSAS_MAX_RAIDCONFIGS];
445 	uint8_t			m_num_raid_configs;
446 	uint16_t		m_tags;
447 	size_t			m_size;
448 	uint16_t		m_n_slots;
449 	mptsas_cmd_t		*m_slot[1];
450 } mptsas_slots_t;
451 
452 /*
453  * Structure to hold command and packets for event ack
454  * and task management commands.
455  */
456 typedef struct  m_event_struct {
457 	struct mptsas_cmd		m_event_cmd;
458 	struct m_event_struct	*m_event_linkp;
459 	/*
460 	 * event member record the failure event and eventcntx
461 	 * event member would be used in send ack pending process
462 	 */
463 	uint32_t		m_event;
464 	uint32_t		m_eventcntx;
465 	uint_t			in_use;
466 	struct scsi_pkt		m_event_pkt;	/* must be last */
467 						/* ... scsi_pkt_size() */
468 } m_event_struct_t;
469 #define	M_EVENT_STRUCT_SIZE	(sizeof (m_event_struct_t) - \
470 				sizeof (struct scsi_pkt) + scsi_pkt_size())
471 
472 #define	MAX_IOC_COMMANDS	8
473 
474 /*
475  * A pool of MAX_IOC_COMMANDS is maintained for event ack commands.
476  * A new event ack command requests mptsas_cmd and scsi_pkt structures
477  * from this pool, and returns it back when done.
478  */
479 
480 typedef struct m_replyh_arg {
481 	void *mpt;
482 	uint32_t rfm;
483 } m_replyh_arg_t;
484 _NOTE(DATA_READABLE_WITHOUT_LOCK(m_replyh_arg_t::mpt))
485 _NOTE(DATA_READABLE_WITHOUT_LOCK(m_replyh_arg_t::rfm))
486 
487 /*
488  * Flags for DR handler topology change
489  */
490 #define	MPTSAS_TOPO_FLAG_DIRECT_ATTACHED_DEVICE		0x0
491 #define	MPTSAS_TOPO_FLAG_EXPANDER_ASSOCIATED		0x1
492 #define	MPTSAS_TOPO_FLAG_LUN_ASSOCIATED			0x2
493 #define	MPTSAS_TOPO_FLAG_RAID_ASSOCIATED		0x4
494 #define	MPTSAS_TOPO_FLAG_RAID_PHYSDRV_ASSOCIATED	0x8
495 #define	MPTSAS_TOPO_FLAG_EXPANDER_ATTACHED_DEVICE	0x10
496 
497 typedef struct mptsas_topo_change_list {
498 	void *mpt;
499 	uint_t  event;
500 	union {
501 		uint8_t physport;
502 		mptsas_phymask_t phymask;
503 	} un;
504 	uint16_t devhdl;
505 	void *object;
506 	uint8_t flags;
507 	struct mptsas_topo_change_list *next;
508 } mptsas_topo_change_list_t;
509 
510 
511 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::mpt))
512 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::event))
513 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::physport))
514 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::devhdl))
515 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::object))
516 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas_topo_change_list_t::flags))
517 
518 /*
519  * Status types when calling mptsas_get_target_device_info
520  */
521 #define	DEV_INFO_SUCCESS		0x0
522 #define	DEV_INFO_FAIL_PAGE0		0x1
523 #define	DEV_INFO_WRONG_DEVICE_TYPE	0x2
524 #define	DEV_INFO_PHYS_DISK		0x3
525 #define	DEV_INFO_FAIL_ALLOC		0x4
526 
527 /*
528  * mpt hotplug event defines
529  */
530 #define	MPTSAS_DR_EVENT_RECONFIG_TARGET	0x01
531 #define	MPTSAS_DR_EVENT_OFFLINE_TARGET	0x02
532 #define	MPTSAS_TOPO_FLAG_REMOVE_HANDLE	0x04
533 
534 /*
535  * SMP target hotplug events
536  */
537 #define	MPTSAS_DR_EVENT_RECONFIG_SMP	0x10
538 #define	MPTSAS_DR_EVENT_OFFLINE_SMP	0x20
539 #define	MPTSAS_DR_EVENT_MASK		0x3F
540 
541 /*
542  * mpt hotplug status definition for m_dr_flag
543  */
544 
545 /*
546  * MPTSAS_DR_INACTIVE
547  *
548  * The target is in a normal operating state.
549  * No dynamic reconfiguration operation is in progress.
550  */
551 #define	MPTSAS_DR_INACTIVE				0x0
552 /*
553  * MPTSAS_DR_INTRANSITION
554  *
555  * The target is in a transition mode since
556  * hotplug event happens and offline procedure has not
557  * been finished
558  */
559 #define	MPTSAS_DR_INTRANSITION			0x1
560 
561 typedef struct mptsas_tgt_private {
562 	int t_lun;
563 	struct mptsas_target *t_private;
564 } mptsas_tgt_private_t;
565 
566 /*
567  * The following defines are used in mptsas_set_init_mode to track the current
568  * state as we progress through reprogramming the HBA from target mode into
569  * initiator mode.
570  */
571 
572 #define	IOUC_READ_PAGE0		0x00000100
573 #define	IOUC_READ_PAGE1		0x00000200
574 #define	IOUC_WRITE_PAGE1	0x00000400
575 #define	IOUC_DONE		0x00000800
576 #define	DISCOVERY_IN_PROGRESS	MPI2_SASIOUNIT0_PORTFLAGS_DISCOVERY_IN_PROGRESS
577 #define	AUTO_PORT_CONFIGURATION	MPI2_SASIOUNIT0_PORTFLAGS_AUTO_PORT_CONFIG
578 
579 /*
580  * Last allocated slot is used for TM requests.  Since only m_max_requests
581  * frames are allocated, the last SMID will be m_max_requests - 1.
582  */
583 #define	MPTSAS_SLOTS_SIZE(mpt) \
584 	(sizeof (struct mptsas_slots) + (sizeof (struct mptsas_cmd *) * \
585 		mpt->m_max_requests))
586 #define	MPTSAS_TM_SLOT(mpt)	(mpt->m_max_requests - 1)
587 
588 /*
589  * Macro for phy_flags
590  */
591 typedef struct mptsas_phy_info {
592 	uint8_t			port_num;
593 	uint8_t			port_flags;
594 	uint16_t		ctrl_devhdl;
595 	uint32_t		phy_device_type;
596 	uint16_t		attached_devhdl;
597 	mptsas_phymask_t	phy_mask;
598 } mptsas_phy_info_t;
599 
600 typedef struct mptsas_doneq_thread_arg {
601 	void		*mpt;
602 	uint64_t	t;
603 } mptsas_doneq_thread_arg_t;
604 
605 #define	MPTSAS_DONEQ_THREAD_ACTIVE	0x1
606 typedef struct mptsas_doneq_thread_list {
607 	mptsas_cmd_t		*doneq;
608 	mptsas_cmd_t		**donetail;
609 	kthread_t		*threadp;
610 	kcondvar_t		cv;
611 	ushort_t		reserv1;
612 	uint32_t		reserv2;
613 	kmutex_t		mutex;
614 	uint32_t		flag;
615 	uint32_t		len;
616 	mptsas_doneq_thread_arg_t	arg;
617 } mptsas_doneq_thread_list_t;
618 
619 typedef struct mptsas {
620 	int		m_instance;
621 
622 	struct mptsas *m_next;
623 
624 	scsi_hba_tran_t		*m_tran;
625 	smp_hba_tran_t		*m_smptran;
626 	kmutex_t		m_mutex;
627 	kcondvar_t		m_cv;
628 	kcondvar_t		m_passthru_cv;
629 	kcondvar_t		m_fw_cv;
630 	kcondvar_t		m_config_cv;
631 	kcondvar_t		m_fw_diag_cv;
632 	dev_info_t		*m_dip;
633 
634 	/*
635 	 * soft state flags
636 	 */
637 	uint_t		m_softstate;
638 
639 	struct mptsas_slots *m_active;	/* outstanding cmds */
640 
641 	mptsas_cmd_t	*m_waitq;	/* cmd queue for active request */
642 	mptsas_cmd_t	**m_waitqtail;	/* wait queue tail ptr */
643 
644 	kmutex_t	m_tx_waitq_mutex;
645 	mptsas_cmd_t	*m_tx_waitq;	/* TX cmd queue for active request */
646 	mptsas_cmd_t	**m_tx_waitqtail;	/* tx_wait queue tail ptr */
647 	int		m_tx_draining;	/* TX queue draining flag */
648 
649 	mptsas_cmd_t	*m_doneq;	/* queue of completed commands */
650 	mptsas_cmd_t	**m_donetail;	/* queue tail ptr */
651 
652 	/*
653 	 * variables for helper threads (fan-out interrupts)
654 	 */
655 	mptsas_doneq_thread_list_t	*m_doneq_thread_id;
656 	uint32_t		m_doneq_thread_n;
657 	uint32_t		m_doneq_thread_threshold;
658 	uint32_t		m_doneq_length_threshold;
659 	uint32_t		m_doneq_len;
660 	kcondvar_t		m_doneq_thread_cv;
661 	kmutex_t		m_doneq_mutex;
662 
663 	int		m_ncmds;	/* number of outstanding commands */
664 	m_event_struct_t *m_ioc_event_cmdq;	/* cmd queue for ioc event */
665 	m_event_struct_t **m_ioc_event_cmdtail;	/* ioc cmd queue tail */
666 
667 	ddi_acc_handle_t m_datap;	/* operating regs data access handle */
668 
669 	struct _MPI2_SYSTEM_INTERFACE_REGS	*m_reg;
670 
671 	ushort_t	m_devid;	/* device id of chip. */
672 	uchar_t		m_revid;	/* revision of chip. */
673 	uint16_t	m_svid;		/* subsystem Vendor ID of chip */
674 	uint16_t	m_ssid;		/* subsystem Device ID of chip */
675 
676 	uchar_t		m_sync_offset;	/* default offset for this chip. */
677 
678 	timeout_id_t	m_quiesce_timeid;
679 	timeout_id_t	m_pm_timeid;
680 
681 	ddi_dma_handle_t m_dma_req_frame_hdl;
682 	ddi_acc_handle_t m_acc_req_frame_hdl;
683 	ddi_dma_handle_t m_dma_reply_frame_hdl;
684 	ddi_acc_handle_t m_acc_reply_frame_hdl;
685 	ddi_dma_handle_t m_dma_free_queue_hdl;
686 	ddi_acc_handle_t m_acc_free_queue_hdl;
687 	ddi_dma_handle_t m_dma_post_queue_hdl;
688 	ddi_acc_handle_t m_acc_post_queue_hdl;
689 
690 	/*
691 	 * list of reset notification requests
692 	 */
693 	struct scsi_reset_notify_entry	*m_reset_notify_listf;
694 
695 	/*
696 	 * qfull handling
697 	 */
698 	timeout_id_t	m_restart_cmd_timeid;
699 
700 	/*
701 	 * scsi	reset delay per	bus
702 	 */
703 	uint_t		m_scsi_reset_delay;
704 
705 	int		m_pm_idle_delay;
706 
707 	uchar_t		m_polled_intr;	/* intr was polled. */
708 	uchar_t		m_suspended;	/* true	if driver is suspended */
709 
710 	struct kmem_cache *m_kmem_cache;
711 	struct kmem_cache *m_cache_frames;
712 
713 	/*
714 	 * hba options.
715 	 */
716 	uint_t		m_options;
717 
718 	int		m_in_callback;
719 
720 	int		m_power_level;	/* current power level */
721 
722 	int		m_busy;		/* power management busy state */
723 
724 	off_t		m_pmcsr_offset; /* PMCSR offset */
725 
726 	ddi_acc_handle_t m_config_handle;
727 
728 	ddi_dma_attr_t		m_io_dma_attr;	/* Used for data I/O */
729 	ddi_dma_attr_t		m_msg_dma_attr; /* Used for message frames */
730 	ddi_device_acc_attr_t	m_dev_acc_attr;
731 	ddi_device_acc_attr_t	m_reg_acc_attr;
732 
733 	/*
734 	 * request/reply variables
735 	 */
736 	caddr_t		m_req_frame;
737 	uint64_t	m_req_frame_dma_addr;
738 	caddr_t		m_reply_frame;
739 	uint64_t	m_reply_frame_dma_addr;
740 	caddr_t		m_free_queue;
741 	uint64_t	m_free_queue_dma_addr;
742 	caddr_t		m_post_queue;
743 	uint64_t	m_post_queue_dma_addr;
744 
745 	m_replyh_arg_t *m_replyh_args;
746 
747 	uint16_t	m_max_requests;
748 	uint16_t	m_req_frame_size;
749 
750 	/*
751 	 * Max frames per request reprted in IOC Facts
752 	 */
753 	uint8_t		m_max_chain_depth;
754 	/*
755 	 * Max frames per request which is used in reality. It's adjusted
756 	 * according DMA SG length attribute, and shall not exceed the
757 	 * m_max_chain_depth.
758 	 */
759 	uint8_t		m_max_request_frames;
760 
761 	uint16_t	m_free_queue_depth;
762 	uint16_t	m_post_queue_depth;
763 	uint16_t	m_max_replies;
764 	uint32_t	m_free_index;
765 	uint32_t	m_post_index;
766 	uint8_t		m_reply_frame_size;
767 	uint32_t	m_ioc_capabilities;
768 
769 	/*
770 	 * indicates if the firmware was upload by the driver
771 	 * at boot time
772 	 */
773 	ushort_t	m_fwupload;
774 
775 	uint16_t	m_productid;
776 
777 	/*
778 	 * per instance data structures for dma memory resources for
779 	 * MPI handshake protocol. only one handshake cmd can run at a time.
780 	 */
781 	ddi_dma_handle_t	m_hshk_dma_hdl;
782 
783 	ddi_acc_handle_t	m_hshk_acc_hdl;
784 
785 	caddr_t			m_hshk_memp;
786 
787 	size_t			m_hshk_dma_size;
788 
789 	/* Firmware version on the card at boot time */
790 	uint32_t		m_fwversion;
791 
792 	/* MSI specific fields */
793 	ddi_intr_handle_t	*m_htable;	/* For array of interrupts */
794 	int			m_intr_type;	/* What type of interrupt */
795 	int			m_intr_cnt;	/* # of intrs count returned */
796 	size_t			m_intr_size;    /* Size of intr array */
797 	uint_t			m_intr_pri;	/* Interrupt priority   */
798 	int			m_intr_cap;	/* Interrupt capabilities */
799 	ddi_taskq_t		*m_event_taskq;
800 
801 	/* SAS specific information */
802 
803 	union {
804 		uint64_t	m_base_wwid;	/* Base WWID */
805 		struct {
806 #ifdef _BIG_ENDIAN
807 			uint32_t	m_base_wwid_hi;
808 			uint32_t	m_base_wwid_lo;
809 #else
810 			uint32_t	m_base_wwid_lo;
811 			uint32_t	m_base_wwid_hi;
812 #endif
813 		} sasaddr;
814 	} un;
815 
816 	uint8_t			m_num_phys;		/* # of PHYs */
817 	mptsas_phy_info_t	m_phy_info[MPTSAS_MAX_PHYS];
818 	uint8_t			m_port_chng;	/* initiator port changes */
819 
820 	/* FMA Capabilities */
821 	int			m_fm_capabilities;
822 	ddi_taskq_t		*m_dr_taskq;
823 	int			m_mpxio_enable;
824 	uint8_t			m_done_traverse_dev;
825 	uint8_t			m_done_traverse_smp;
826 	int			m_passthru_in_progress;
827 	int			m_diag_action_in_progress;
828 	uint16_t		m_dev_handle;
829 	uint16_t		m_smp_devhdl;
830 
831 	/*
832 	 * Event recording
833 	 */
834 	uint8_t			m_event_index;
835 	uint32_t		m_event_number;
836 	uint32_t		m_event_mask[4];
837 	mptsas_event_entry_t	m_events[MPTSAS_EVENT_QUEUE_SIZE];
838 
839 	/*
840 	 * FW diag Buffer List
841 	 */
842 	mptsas_fw_diagnostic_buffer_t
843 		m_fw_diag_buffer_list[MPI2_DIAG_BUF_TYPE_COUNT];
844 
845 	/*
846 	 * Event Replay flag (MUR support)
847 	 */
848 	uint8_t			m_event_replay;
849 
850 	/*
851 	 * IR Capable flag
852 	 */
853 	uint8_t			m_ir_capable;
854 
855 	/*
856 	 * Is HBA processing a diag reset?
857 	 */
858 	uint8_t			m_in_reset;
859 
860 	/*
861 	 * per instance cmd data structures for task management cmds
862 	 */
863 	m_event_struct_t	m_event_task_mgmt;	/* must be last */
864 							/* ... scsi_pkt_size */
865 } mptsas_t;
866 #define	MPTSAS_SIZE	(sizeof (struct mptsas) - \
867 			sizeof (struct scsi_pkt) + scsi_pkt_size())
868 /*
869  * Only one of below two conditions is satisfied, we
870  * think the target is associated to the iport and
871  * allow call into mptsas_probe_lun().
872  * 1. physicalsport == physport
873  * 2. (phymask & (1 << physport)) == 0
874  * The condition #2 is because LSI uses lowest PHY
875  * number as the value of physical port when auto port
876  * configuration.
877  */
878 #define	IS_SAME_PORT(physicalport, physport, phymask, dynamicport) \
879 	((physicalport == physport) || (dynamicport && (phymask & \
880 	(1 << physport))))
881 
882 _NOTE(MUTEX_PROTECTS_DATA(mptsas::m_mutex, mptsas))
883 _NOTE(SCHEME_PROTECTS_DATA("safe sharing", mptsas::m_next))
884 _NOTE(SCHEME_PROTECTS_DATA("stable data", mptsas::m_dip mptsas::m_tran))
885 _NOTE(SCHEME_PROTECTS_DATA("stable data", mptsas::m_kmem_cache))
886 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_io_dma_attr.dma_attr_sgllen))
887 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_devid))
888 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_productid))
889 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_port_type))
890 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_mpxio_enable))
891 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_ntargets))
892 _NOTE(DATA_READABLE_WITHOUT_LOCK(mptsas::m_instance))
893 
894 /*
895  * These should eventually migrate into the mpt header files
896  * that may become the /kernel/misc/mpt module...
897  */
898 #define	mptsas_init_std_hdr(hdl, mp, DevHandle, Lun, ChainOffset, Function) \
899 	mptsas_put_msg_DevHandle(hdl, mp, DevHandle); \
900 	mptsas_put_msg_ChainOffset(hdl, mp, ChainOffset); \
901 	mptsas_put_msg_Function(hdl, mp, Function); \
902 	mptsas_put_msg_Lun(hdl, mp, Lun)
903 
904 #define	mptsas_put_msg_DevHandle(hdl, mp, val) \
905 	ddi_put16(hdl, &(mp)->DevHandle, (val))
906 #define	mptsas_put_msg_ChainOffset(hdl, mp, val) \
907 	ddi_put8(hdl, &(mp)->ChainOffset, (val))
908 #define	mptsas_put_msg_Function(hdl, mp, val) \
909 	ddi_put8(hdl, &(mp)->Function, (val))
910 #define	mptsas_put_msg_Lun(hdl, mp, val) \
911 	ddi_put8(hdl, &(mp)->LUN[1], (val))
912 
913 #define	mptsas_get_msg_Function(hdl, mp) \
914 	ddi_get8(hdl, &(mp)->Function)
915 
916 #define	mptsas_get_msg_MsgFlags(hdl, mp) \
917 	ddi_get8(hdl, &(mp)->MsgFlags)
918 
919 #define	MPTSAS_ENABLE_DRWE(hdl) \
920 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
921 		MPI2_WRSEQ_FLUSH_KEY_VALUE); \
922 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
923 		MPI2_WRSEQ_1ST_KEY_VALUE); \
924 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
925 		MPI2_WRSEQ_2ND_KEY_VALUE); \
926 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
927 		MPI2_WRSEQ_3RD_KEY_VALUE); \
928 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
929 		MPI2_WRSEQ_4TH_KEY_VALUE); \
930 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
931 		MPI2_WRSEQ_5TH_KEY_VALUE); \
932 	ddi_put32(hdl->m_datap, &hdl->m_reg->WriteSequence, \
933 		MPI2_WRSEQ_6TH_KEY_VALUE);
934 
935 /*
936  * m_options flags
937  */
938 #define	MPTSAS_OPT_PM		0x01	/* Power Management */
939 
940 /*
941  * m_softstate flags
942  */
943 #define	MPTSAS_SS_DRAINING		0x02
944 #define	MPTSAS_SS_QUIESCED		0x04
945 #define	MPTSAS_SS_MSG_UNIT_RESET	0x08
946 
947 /*
948  * regspec defines.
949  */
950 #define	CONFIG_SPACE	0	/* regset[0] - configuration space */
951 #define	IO_SPACE	1	/* regset[1] - used for i/o mapped device */
952 #define	MEM_SPACE	2	/* regset[2] - used for memory mapped device */
953 #define	BASE_REG2	3	/* regset[3] - used for 875 scripts ram */
954 
955 /*
956  * Handy constants
957  */
958 #define	FALSE		0
959 #define	TRUE		1
960 #define	UNDEFINED	-1
961 #define	FAILED		-2
962 
963 /*
964  * power management.
965  */
966 #define	MPTSAS_POWER_ON(mpt) { \
967 	pci_config_put16(mpt->m_config_handle, mpt->m_pmcsr_offset, \
968 	    PCI_PMCSR_D0); \
969 	delay(drv_usectohz(10000)); \
970 	(void) pci_restore_config_regs(mpt->m_dip); \
971 	mptsas_setup_cmd_reg(mpt); \
972 }
973 
974 #define	MPTSAS_POWER_OFF(mpt) { \
975 	(void) pci_save_config_regs(mpt->m_dip); \
976 	pci_config_put16(mpt->m_config_handle, mpt->m_pmcsr_offset, \
977 	    PCI_PMCSR_D3HOT); \
978 	mpt->m_power_level = PM_LEVEL_D3; \
979 }
980 
981 /*
982  * inq_dtype:
983  * Bits 5 through 7 are the Peripheral Device Qualifier
984  * 001b: device not connected to the LUN
985  * Bits 0 through 4 are the Peripheral Device Type
986  * 1fh: Unknown or no device type
987  *
988  * Although the inquiry may return success, the following value
989  * means no valid LUN connected.
990  */
991 #define	MPTSAS_VALID_LUN(sd_inq) \
992 	(((sd_inq->inq_dtype & 0xe0) != 0x20) && \
993 	((sd_inq->inq_dtype & 0x1f) != 0x1f))
994 
995 /*
996  * Default is to have 10 retries on receiving QFULL status and
997  * each retry to be after 100 ms.
998  */
999 #define	QFULL_RETRIES		10
1000 #define	QFULL_RETRY_INTERVAL	100
1001 
1002 /*
1003  * Handy macros
1004  */
1005 #define	Tgt(sp)	((sp)->cmd_pkt->pkt_address.a_target)
1006 #define	Lun(sp)	((sp)->cmd_pkt->pkt_address.a_lun)
1007 
1008 #define	IS_HEX_DIGIT(n)	(((n) >= '0' && (n) <= '9') || \
1009 	((n) >= 'a' && (n) <= 'f') || ((n) >= 'A' && (n) <= 'F'))
1010 
1011 /*
1012  * poll time for mptsas_pollret() and mptsas_wait_intr()
1013  */
1014 #define	MPTSAS_POLL_TIME	30000	/* 30 seconds */
1015 
1016 /*
1017  * default time for mptsas_do_passthru
1018  */
1019 #define	MPTSAS_PASS_THRU_TIME_DEFAULT	60	/* 60 seconds */
1020 
1021 /*
1022  * macro to return the effective address of a given per-target field
1023  */
1024 #define	EFF_ADDR(start, offset)		((start) + (offset))
1025 
1026 #define	SDEV2ADDR(devp)		(&((devp)->sd_address))
1027 #define	SDEV2TRAN(devp)		((devp)->sd_address.a_hba_tran)
1028 #define	PKT2TRAN(pkt)		((pkt)->pkt_address.a_hba_tran)
1029 #define	ADDR2TRAN(ap)		((ap)->a_hba_tran)
1030 #define	DIP2TRAN(dip)		(ddi_get_driver_private(dip))
1031 
1032 
1033 #define	TRAN2MPT(hba)		((mptsas_t *)(hba)->tran_hba_private)
1034 #define	DIP2MPT(dip)		(TRAN2MPT((scsi_hba_tran_t *)DIP2TRAN(dip)))
1035 #define	SDEV2MPT(sd)		(TRAN2MPT(SDEV2TRAN(sd)))
1036 #define	PKT2MPT(pkt)		(TRAN2MPT(PKT2TRAN(pkt)))
1037 
1038 #define	ADDR2MPT(ap)		(TRAN2MPT(ADDR2TRAN(ap)))
1039 
1040 #define	POLL_TIMEOUT		(2 * SCSI_POLL_TIMEOUT * 1000000)
1041 #define	SHORT_POLL_TIMEOUT	(1000000)	/* in usec, about 1 secs */
1042 #define	MPTSAS_QUIESCE_TIMEOUT	1		/* 1 sec */
1043 #define	MPTSAS_PM_IDLE_TIMEOUT	60		/* 60 seconds */
1044 
1045 #define	MPTSAS_GET_ISTAT(mpt)  (ddi_get32((mpt)->m_datap, \
1046 			&(mpt)->m_reg->HostInterruptStatus))
1047 
1048 #define	MPTSAS_SET_SIGP(P) \
1049 		ClrSetBits(mpt->m_devaddr + NREG_ISTAT, 0, NB_ISTAT_SIGP)
1050 
1051 #define	MPTSAS_RESET_SIGP(P) (void) ddi_get8(mpt->m_datap, \
1052 			(uint8_t *)(mpt->m_devaddr + NREG_CTEST2))
1053 
1054 #define	MPTSAS_GET_INTCODE(P) (ddi_get32(mpt->m_datap, \
1055 			(uint32_t *)(mpt->m_devaddr + NREG_DSPS)))
1056 
1057 
1058 #define	MPTSAS_START_CMD(mpt, req_desc_lo, req_desc_hi) \
1059 	ddi_put32(mpt->m_datap, &mpt->m_reg->RequestDescriptorPostLow,\
1060 	    req_desc_lo);\
1061 	ddi_put32(mpt->m_datap, &mpt->m_reg->RequestDescriptorPostHigh,\
1062 	    req_desc_hi);
1063 
1064 #define	INTPENDING(mpt) \
1065 	(MPTSAS_GET_ISTAT(mpt) & MPI2_HIS_REPLY_DESCRIPTOR_INTERRUPT)
1066 
1067 /*
1068  * Mask all interrupts to disable
1069  */
1070 #define	MPTSAS_DISABLE_INTR(mpt)	\
1071 	ddi_put32((mpt)->m_datap, &(mpt)->m_reg->HostInterruptMask, \
1072 	    (MPI2_HIM_RIM | MPI2_HIM_DIM | MPI2_HIM_RESET_IRQ_MASK))
1073 
1074 /*
1075  * Mask Doorbell and Reset interrupts to enable reply desc int.
1076  */
1077 #define	MPTSAS_ENABLE_INTR(mpt)	\
1078 	ddi_put32(mpt->m_datap, &mpt->m_reg->HostInterruptMask, \
1079 	(MPI2_HIM_DIM | MPI2_HIM_RESET_IRQ_MASK))
1080 
1081 #define	MPTSAS_GET_NEXT_REPLY(mpt, index)  \
1082 	&((uint64_t *)(void *)mpt->m_post_queue)[index]
1083 
1084 #define	MPTSAS_GET_NEXT_FRAME(mpt, SMID) \
1085 	(mpt->m_req_frame + (mpt->m_req_frame_size * SMID))
1086 
1087 #define	ClrSetBits32(hdl, reg, clr, set) \
1088 	ddi_put32(hdl, (reg), \
1089 	    ((ddi_get32(mpt->m_datap, (reg)) & ~(clr)) | (set)))
1090 
1091 #define	ClrSetBits(reg, clr, set) \
1092 	ddi_put8(mpt->m_datap, (uint8_t *)(reg), \
1093 		((ddi_get8(mpt->m_datap, (uint8_t *)(reg)) & ~(clr)) | (set)))
1094 
1095 #define	MPTSAS_WAITQ_RM(mpt, cmdp)	\
1096 	if ((cmdp = mpt->m_waitq) != NULL) { \
1097 		/* If the queue is now empty fix the tail pointer */	\
1098 		if ((mpt->m_waitq = cmdp->cmd_linkp) == NULL) \
1099 			mpt->m_waitqtail = &mpt->m_waitq; \
1100 		cmdp->cmd_linkp = NULL; \
1101 		cmdp->cmd_queued = FALSE; \
1102 	}
1103 
1104 #define	MPTSAS_TX_WAITQ_RM(mpt, cmdp)	\
1105 	if ((cmdp = mpt->m_tx_waitq) != NULL) { \
1106 		/* If the queue is now empty fix the tail pointer */	\
1107 		if ((mpt->m_tx_waitq = cmdp->cmd_linkp) == NULL) \
1108 			mpt->m_tx_waitqtail = &mpt->m_tx_waitq; \
1109 		cmdp->cmd_linkp = NULL; \
1110 		cmdp->cmd_queued = FALSE; \
1111 	}
1112 
1113 /*
1114  * defaults for	the global properties
1115  */
1116 #define	DEFAULT_SCSI_OPTIONS	SCSI_OPTIONS_DR
1117 #define	DEFAULT_TAG_AGE_LIMIT	2
1118 #define	DEFAULT_WD_TICK		10
1119 
1120 /*
1121  * invalid hostid.
1122  */
1123 #define	MPTSAS_INVALID_HOSTID  -1
1124 
1125 /*
1126  * Get/Set hostid from SCSI port configuration page
1127  */
1128 #define	MPTSAS_GET_HOST_ID(configuration) (configuration & 0xFF)
1129 #define	MPTSAS_SET_HOST_ID(hostid) (hostid | ((1 << hostid) << 16))
1130 
1131 /*
1132  * Config space.
1133  */
1134 #define	MPTSAS_LATENCY_TIMER	0x40
1135 
1136 /*
1137  * Offset to firmware version
1138  */
1139 #define	MPTSAS_FW_VERSION_OFFSET	9
1140 
1141 /*
1142  * Offset and masks to get at the ProductId field
1143  */
1144 #define	MPTSAS_FW_PRODUCTID_OFFSET	8
1145 #define	MPTSAS_FW_PRODUCTID_MASK	0xFFFF0000
1146 #define	MPTSAS_FW_PRODUCTID_SHIFT	16
1147 
1148 /*
1149  * Subsystem ID for HBAs.
1150  */
1151 #define	MPTSAS_HBA_SUBSYSTEM_ID    0x10C0
1152 #define	MPTSAS_RHEA_SUBSYSTEM_ID	0x10B0
1153 
1154 /*
1155  * reset delay tick
1156  */
1157 #define	MPTSAS_WATCH_RESET_DELAY_TICK 50	/* specified in milli seconds */
1158 
1159 /*
1160  * Ioc reset return values
1161  */
1162 #define	MPTSAS_RESET_FAIL	-1
1163 #define	MPTSAS_NO_RESET		0
1164 #define	MPTSAS_SUCCESS_HARDRESET	1
1165 
1166 /*
1167  * throttle support.
1168  */
1169 #define	MAX_THROTTLE	32
1170 #define	HOLD_THROTTLE	0
1171 #define	DRAIN_THROTTLE	-1
1172 #define	QFULL_THROTTLE	-2
1173 
1174 /*
1175  * Passthrough/config request flags
1176  */
1177 #define	MPTSAS_DATA_ALLOCATED		0x0001
1178 #define	MPTSAS_DATAOUT_ALLOCATED	0x0002
1179 #define	MPTSAS_REQUEST_POOL_CMD		0x0004
1180 #define	MPTSAS_ADDRESS_REPLY		0x0008
1181 #define	MPTSAS_CMD_TIMEOUT		0x0010
1182 
1183 /*
1184  * response code tlr flag
1185  */
1186 #define	MPTSAS_SCSI_RESPONSE_CODE_TLR_OFF	0x02
1187 
1188 /*
1189  * System Events
1190  */
1191 #ifndef	DDI_VENDOR_LSI
1192 #define	DDI_VENDOR_LSI	"LSI"
1193 #endif	/* DDI_VENDOR_LSI */
1194 
1195 /*
1196  * Shared functions
1197  */
1198 int mptsas_save_cmd(struct mptsas *mpt, struct mptsas_cmd *cmd);
1199 void mptsas_remove_cmd(mptsas_t *mpt, mptsas_cmd_t *cmd);
1200 void mptsas_waitq_add(mptsas_t *mpt, mptsas_cmd_t *cmd);
1201 int mptsas_config_space_init(struct mptsas *mpt);
1202 int mptsas_init_chip(mptsas_t *mpt, int first_time);
1203 void mptsas_log(struct mptsas *mpt, int level, char *fmt, ...);
1204 int mptsas_poll(mptsas_t *mpt, mptsas_cmd_t *poll_cmd, int polltime);
1205 int mptsas_do_dma(mptsas_t *mpt, uint32_t size, int var, int (*callback)());
1206 int mptsas_send_config_request_msg(mptsas_t *mpt, uint8_t action,
1207 	uint8_t pagetype, uint32_t pageaddress, uint8_t pagenumber,
1208 	uint8_t pageversion, uint8_t pagelength, uint32_t
1209 	SGEflagslength, uint32_t SGEaddress32);
1210 int mptsas_send_extended_config_request_msg(mptsas_t *mpt, uint8_t action,
1211 	uint8_t extpagetype, uint32_t pageaddress, uint8_t pagenumber,
1212 	uint8_t pageversion, uint16_t extpagelength,
1213 	uint32_t SGEflagslength, uint32_t SGEaddress32);
1214 int mptsas_update_flash(mptsas_t *mpt, caddr_t ptrbuffer, uint32_t size,
1215 	uint8_t type, int mode);
1216 int mptsas_check_flash(mptsas_t *mpt, caddr_t origfile, uint32_t size,
1217 	uint8_t type, int mode);
1218 int mptsas_download_firmware();
1219 int mptsas_can_download_firmware();
1220 int mptsas_dma_alloc(mptsas_t *mpt, mptsas_dma_alloc_state_t *dma_statep);
1221 void mptsas_dma_free(mptsas_dma_alloc_state_t *dma_statep);
1222 mptsas_phymask_t mptsas_physport_to_phymask(mptsas_t *mpt, uint8_t physport);
1223 void mptsas_fma_check(mptsas_t *mpt, mptsas_cmd_t *cmd);
1224 int mptsas_check_acc_handle(ddi_acc_handle_t handle);
1225 int mptsas_check_dma_handle(ddi_dma_handle_t handle);
1226 void mptsas_fm_ereport(mptsas_t *mpt, char *detail);
1227 
1228 /*
1229  * impl functions
1230  */
1231 int mptsas_ioc_wait_for_response(mptsas_t *mpt);
1232 int mptsas_ioc_wait_for_doorbell(mptsas_t *mpt);
1233 int mptsas_ioc_reset(mptsas_t *mpt);
1234 int mptsas_send_handshake_msg(mptsas_t *mpt, caddr_t memp, int numbytes,
1235     ddi_acc_handle_t accessp);
1236 int mptsas_get_handshake_msg(mptsas_t *mpt, caddr_t memp, int numbytes,
1237     ddi_acc_handle_t accessp);
1238 int mptsas_send_config_request_msg(mptsas_t *mpt, uint8_t action,
1239     uint8_t pagetype, uint32_t pageaddress, uint8_t pagenumber,
1240     uint8_t pageversion, uint8_t pagelength, uint32_t SGEflagslength,
1241     uint32_t SGEaddress32);
1242 int mptsas_send_extended_config_request_msg(mptsas_t *mpt, uint8_t action,
1243     uint8_t extpagetype, uint32_t pageaddress, uint8_t pagenumber,
1244     uint8_t pageversion, uint16_t extpagelength,
1245     uint32_t SGEflagslength, uint32_t SGEaddress32);
1246 
1247 int mptsas_request_from_pool(mptsas_t *mpt, mptsas_cmd_t **cmd,
1248     struct scsi_pkt **pkt);
1249 void mptsas_return_to_pool(mptsas_t *mpt, mptsas_cmd_t *cmd);
1250 void mptsas_destroy_ioc_event_cmd(mptsas_t *mpt);
1251 void mptsas_start_config_page_access(mptsas_t *mpt, mptsas_cmd_t *cmd);
1252 int mptsas_access_config_page(mptsas_t *mpt, uint8_t action, uint8_t page_type,
1253     uint8_t page_number, uint32_t page_address, int (*callback) (mptsas_t *,
1254     caddr_t, ddi_acc_handle_t, uint16_t, uint32_t, va_list), ...);
1255 
1256 int mptsas_ioc_task_management(mptsas_t *mpt, int task_type,
1257     uint16_t dev_handle, int lun, uint8_t *reply, uint32_t reply_size,
1258     int mode);
1259 int mptsas_send_event_ack(mptsas_t *mpt, uint32_t event, uint32_t eventcntx);
1260 void mptsas_send_pending_event_ack(mptsas_t *mpt);
1261 void mptsas_set_throttle(struct mptsas *mpt, mptsas_target_t *ptgt, int what);
1262 int mptsas_restart_ioc(mptsas_t *mpt);
1263 void mptsas_update_driver_data(struct mptsas *mpt);
1264 uint64_t mptsas_get_sata_guid(mptsas_t *mpt, mptsas_target_t *ptgt, int lun);
1265 
1266 /*
1267  * init functions
1268  */
1269 int mptsas_ioc_get_facts(mptsas_t *mpt);
1270 int mptsas_ioc_get_port_facts(mptsas_t *mpt, int port);
1271 int mptsas_ioc_enable_port(mptsas_t *mpt);
1272 int mptsas_ioc_enable_event_notification(mptsas_t *mpt);
1273 int mptsas_ioc_init(mptsas_t *mpt);
1274 
1275 /*
1276  * configuration pages operation
1277  */
1278 int mptsas_get_sas_device_page0(mptsas_t *mpt, uint32_t page_address,
1279     uint16_t *dev_handle, uint64_t *sas_wwn, uint32_t *dev_info,
1280     uint8_t *physport, uint8_t *phynum);
1281 int mptsas_get_sas_io_unit_page(mptsas_t *mpt);
1282 int mptsas_get_sas_io_unit_page_hndshk(mptsas_t *mpt);
1283 int mptsas_get_sas_expander_page0(mptsas_t *mpt, uint32_t page_address,
1284     mptsas_smp_t *info);
1285 int mptsas_set_ioc_params(mptsas_t *mpt);
1286 int mptsas_get_manufacture_page5(mptsas_t *mpt);
1287 int mptsas_get_sas_port_page0(mptsas_t *mpt, uint32_t page_address,
1288     uint64_t *sas_wwn, uint8_t *portwidth);
1289 int mptsas_get_bios_page3(mptsas_t *mpt,  uint32_t *bios_version);
1290 
1291 /*
1292  * RAID functions
1293  */
1294 int mptsas_get_raid_settings(mptsas_t *mpt, mptsas_raidvol_t *raidvol);
1295 int mptsas_get_raid_info(mptsas_t *mpt);
1296 int mptsas_get_physdisk_settings(mptsas_t *mpt, mptsas_raidvol_t *raidvol,
1297     uint8_t physdisknum);
1298 int mptsas_delete_volume(mptsas_t *mpt, uint16_t volid);
1299 void mptsas_raid_action_system_shutdown(mptsas_t *mpt);
1300 
1301 #define	MPTSAS_IOCSTATUS(status) (status & MPI2_IOCSTATUS_MASK)
1302 /*
1303  * debugging.
1304  */
1305 #if defined(MPTSAS_DEBUG)
1306 
1307 void mptsas_printf(char *fmt, ...);
1308 
1309 #define	MPTSAS_DBGPR(m, args)	\
1310 	if (mptsas_debug_flags & (m)) \
1311 		mptsas_printf args
1312 #else	/* ! defined(MPTSAS_DEBUG) */
1313 #define	MPTSAS_DBGPR(m, args)
1314 #endif	/* defined(MPTSAS_DEBUG) */
1315 
1316 #define	NDBG0(args)	MPTSAS_DBGPR(0x01, args)	/* init	*/
1317 #define	NDBG1(args)	MPTSAS_DBGPR(0x02, args)	/* normal running */
1318 #define	NDBG2(args)	MPTSAS_DBGPR(0x04, args)	/* property handling */
1319 #define	NDBG3(args)	MPTSAS_DBGPR(0x08, args)	/* pkt handling */
1320 
1321 #define	NDBG4(args)	MPTSAS_DBGPR(0x10, args)	/* kmem alloc/free */
1322 #define	NDBG5(args)	MPTSAS_DBGPR(0x20, args)	/* polled cmds */
1323 #define	NDBG6(args)	MPTSAS_DBGPR(0x40, args)	/* interrupts */
1324 #define	NDBG7(args)	MPTSAS_DBGPR(0x80, args)	/* queue handling */
1325 
1326 #define	NDBG8(args)	MPTSAS_DBGPR(0x0100, args)	/* arq */
1327 #define	NDBG9(args)	MPTSAS_DBGPR(0x0200, args)	/* Tagged Q'ing */
1328 #define	NDBG10(args)	MPTSAS_DBGPR(0x0400, args)	/* halting chip */
1329 #define	NDBG11(args)	MPTSAS_DBGPR(0x0800, args)	/* power management */
1330 
1331 #define	NDBG12(args)	MPTSAS_DBGPR(0x1000, args)	/* enumeration */
1332 #define	NDBG13(args)	MPTSAS_DBGPR(0x2000, args)	/* configuration page */
1333 #define	NDBG14(args)	MPTSAS_DBGPR(0x4000, args)
1334 #define	NDBG15(args)	MPTSAS_DBGPR(0x8000, args)
1335 
1336 #define	NDBG16(args)	MPTSAS_DBGPR(0x010000, args)
1337 #define	NDBG17(args)	MPTSAS_DBGPR(0x020000, args)	/* scatter/gather */
1338 #define	NDBG18(args)	MPTSAS_DBGPR(0x040000, args)
1339 #define	NDBG19(args)	MPTSAS_DBGPR(0x080000, args)	/* handshaking */
1340 
1341 #define	NDBG20(args)	MPTSAS_DBGPR(0x100000, args)	/* events */
1342 #define	NDBG21(args)	MPTSAS_DBGPR(0x200000, args)	/* dma */
1343 #define	NDBG22(args)	MPTSAS_DBGPR(0x400000, args)	/* reset */
1344 #define	NDBG23(args)	MPTSAS_DBGPR(0x800000, args)	/* abort */
1345 
1346 #define	NDBG24(args)	MPTSAS_DBGPR(0x1000000, args)	/* capabilities */
1347 #define	NDBG25(args)	MPTSAS_DBGPR(0x2000000, args)	/* flushing */
1348 #define	NDBG26(args)	MPTSAS_DBGPR(0x4000000, args)
1349 #define	NDBG27(args)	MPTSAS_DBGPR(0x8000000, args)
1350 
1351 #define	NDBG28(args)	MPTSAS_DBGPR(0x10000000, args)	/* hotplug */
1352 #define	NDBG29(args)	MPTSAS_DBGPR(0x20000000, args)	/* timeouts */
1353 #define	NDBG30(args)	MPTSAS_DBGPR(0x40000000, args)	/* mptsas_watch */
1354 #define	NDBG31(args)	MPTSAS_DBGPR(0x80000000, args)	/* negotations */
1355 
1356 /*
1357  * auto request sense
1358  */
1359 #define	RQ_MAKECOM_COMMON(pkt, flag, cmd) \
1360 	(pkt)->pkt_flags = (flag), \
1361 	((union scsi_cdb *)(pkt)->pkt_cdbp)->scc_cmd = (cmd), \
1362 	((union scsi_cdb *)(pkt)->pkt_cdbp)->scc_lun = \
1363 	    (pkt)->pkt_address.a_lun
1364 
1365 #define	RQ_MAKECOM_G0(pkt, flag, cmd, addr, cnt) \
1366 	RQ_MAKECOM_COMMON((pkt), (flag), (cmd)), \
1367 	FORMG0ADDR(((union scsi_cdb *)(pkt)->pkt_cdbp), (addr)), \
1368 	FORMG0COUNT(((union scsi_cdb *)(pkt)->pkt_cdbp), (cnt))
1369 
1370 
1371 #ifdef	__cplusplus
1372 }
1373 #endif
1374 
1375 #endif	/* _SYS_SCSI_ADAPTERS_MPTVAR_H */
1376