xref: /illumos-gate/usr/src/uts/common/io/mr_sas/mr_sas.h (revision 46b592853d0f4f11781b6b0a7533f267c6aee132)
1 /*
2  * mr_sas.h: header for mr_sas
3  *
4  * Solaris MegaRAID driver for SAS2.0 controllers
5  * Copyright (c) 2008-2009, LSI Logic Corporation.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright notice,
12  *    this list of conditions and the following disclaimer.
13  *
14  * 2. Redistributions in binary form must reproduce the above copyright notice,
15  *    this list of conditions and the following disclaimer in the documentation
16  *    and/or other materials provided with the distribution.
17  *
18  * 3. Neither the name of the author nor the names of its contributors may be
19  *    used to endorse or promote products derived from this software without
20  *    specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
27  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
28  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
29  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
30  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
32  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
33  * DAMAGE.
34  */
35 
36 /*
37  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
38  * Use is subject to license terms.
39  */
40 #ifndef	_MR_SAS_H_
41 #define	_MR_SAS_H_
42 
43 #ifdef	__cplusplus
44 extern "C" {
45 #endif
46 
47 #include <sys/scsi/scsi.h>
48 #include "mr_sas_list.h"
49 
50 /*
51  * MegaRAID SAS2.0 Driver meta data
52  */
53 #define	MRSAS_VERSION				"LSIv2.3"
54 #define	MRSAS_RELDATE				"May 11, 2009"
55 
56 #define	MRSAS_TRUE				1
57 #define	MRSAS_FALSE				0
58 
59 /*
60  * MegaRAID SAS2.0 device id conversion definitions.
61  */
62 #define	INST2LSIRDCTL(x)		((x) << INST_MINOR_SHIFT)
63 
64 /*
65  * MegaRAID SAS2.0 supported controllers
66  */
67 #define	PCI_DEVICE_ID_LSI_2108VDE		0x0078
68 #define	PCI_DEVICE_ID_LSI_2108V			0x0079
69 
70 /*
71  * Register Index for 2108 Controllers.
72  */
73 #define	REGISTER_SET_IO_2108			(2)
74 
75 #define	MRSAS_MAX_SGE_CNT			0x50
76 
77 #define	MRSAS_IOCTL_DRIVER			0x12341234
78 #define	MRSAS_IOCTL_FIRMWARE			0x12345678
79 #define	MRSAS_IOCTL_AEN				0x87654321
80 
81 #define	MRSAS_1_SECOND				1000000
82 
83 /* Dynamic Enumeration Flags */
84 #define	MRSAS_PD_LUN		1
85 #define	MRSAS_LD_LUN		0
86 #define	MRSAS_PD_TGT_MAX	255
87 #define	MRSAS_GET_PD_MAX(s)	((s)->mr_pd_max)
88 #define	WWN_STRLEN		17
89 
90 /*
91  * =====================================
92  * MegaRAID SAS2.0 MFI firmware definitions
93  * =====================================
94  */
95 /*
96  * MFI stands for  MegaRAID SAS2.0 FW Interface. This is just a moniker for
97  * protocol between the software and firmware. Commands are issued using
98  * "message frames"
99  */
100 
101 /*
102  * FW posts its state in upper 4 bits of outbound_msg_0 register
103  */
104 #define	MFI_STATE_SHIFT 			28
105 #define	MFI_STATE_MASK				((uint32_t)0xF<<MFI_STATE_SHIFT)
106 #define	MFI_STATE_UNDEFINED			((uint32_t)0x0<<MFI_STATE_SHIFT)
107 #define	MFI_STATE_BB_INIT			((uint32_t)0x1<<MFI_STATE_SHIFT)
108 #define	MFI_STATE_FW_INIT			((uint32_t)0x4<<MFI_STATE_SHIFT)
109 #define	MFI_STATE_WAIT_HANDSHAKE		((uint32_t)0x6<<MFI_STATE_SHIFT)
110 #define	MFI_STATE_FW_INIT_2			((uint32_t)0x7<<MFI_STATE_SHIFT)
111 #define	MFI_STATE_DEVICE_SCAN			((uint32_t)0x8<<MFI_STATE_SHIFT)
112 #define	MFI_STATE_BOOT_MESSAGE_PENDING		((uint32_t)0x9<<MFI_STATE_SHIFT)
113 #define	MFI_STATE_FLUSH_CACHE			((uint32_t)0xA<<MFI_STATE_SHIFT)
114 #define	MFI_STATE_READY				((uint32_t)0xB<<MFI_STATE_SHIFT)
115 #define	MFI_STATE_OPERATIONAL			((uint32_t)0xC<<MFI_STATE_SHIFT)
116 #define	MFI_STATE_FAULT				((uint32_t)0xF<<MFI_STATE_SHIFT)
117 
118 #define	MRMFI_FRAME_SIZE			64
119 
120 /*
121  * During FW init, clear pending cmds & reset state using inbound_msg_0
122  *
123  * ABORT	: Abort all pending cmds
124  * READY	: Move from OPERATIONAL to READY state; discard queue info
125  * MFIMODE	: Discard (possible) low MFA posted in 64-bit mode (??)
126  * CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver
127  */
128 #define	MFI_INIT_ABORT				0x00000001
129 #define	MFI_INIT_READY				0x00000002
130 #define	MFI_INIT_MFIMODE			0x00000004
131 #define	MFI_INIT_CLEAR_HANDSHAKE		0x00000008
132 #define	MFI_INIT_HOTPLUG			0x00000010
133 #define	MFI_STOP_ADP				0x00000020
134 #define	MFI_RESET_FLAGS		MFI_INIT_READY|MFI_INIT_MFIMODE|MFI_INIT_ABORT
135 
136 /*
137  * MFI frame flags
138  */
139 #define	MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
140 #define	MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
141 #define	MFI_FRAME_SGL32				0x0000
142 #define	MFI_FRAME_SGL64				0x0002
143 #define	MFI_FRAME_SENSE32			0x0000
144 #define	MFI_FRAME_SENSE64			0x0004
145 #define	MFI_FRAME_DIR_NONE			0x0000
146 #define	MFI_FRAME_DIR_WRITE			0x0008
147 #define	MFI_FRAME_DIR_READ			0x0010
148 #define	MFI_FRAME_DIR_BOTH			0x0018
149 
150 /*
151  * Definition for cmd_status
152  */
153 #define	MFI_CMD_STATUS_POLL_MODE		0xFF
154 #define	MFI_CMD_STATUS_SYNC_MODE		0xFF
155 
156 /*
157  * MFI command opcodes
158  */
159 #define	MFI_CMD_OP_INIT				0x00
160 #define	MFI_CMD_OP_LD_READ			0x01
161 #define	MFI_CMD_OP_LD_WRITE			0x02
162 #define	MFI_CMD_OP_LD_SCSI			0x03
163 #define	MFI_CMD_OP_PD_SCSI			0x04
164 #define	MFI_CMD_OP_DCMD				0x05
165 #define	MFI_CMD_OP_ABORT			0x06
166 #define	MFI_CMD_OP_SMP				0x07
167 #define	MFI_CMD_OP_STP				0x08
168 
169 #define	MR_DCMD_CTRL_GET_INFO			0x01010000
170 
171 #define	MR_DCMD_CTRL_CACHE_FLUSH		0x01101000
172 #define	MR_FLUSH_CTRL_CACHE			0x01
173 #define	MR_FLUSH_DISK_CACHE			0x02
174 
175 #define	MR_DCMD_CTRL_SHUTDOWN			0x01050000
176 #define	MRSAS_ENABLE_DRIVE_SPINDOWN		0x01
177 
178 #define	MR_DCMD_CTRL_EVENT_GET_INFO		0x01040100
179 #define	MR_DCMD_CTRL_EVENT_GET			0x01040300
180 #define	MR_DCMD_CTRL_EVENT_WAIT			0x01040500
181 #define	MR_DCMD_LD_GET_PROPERTIES		0x03030000
182 #define	MR_DCMD_PD_GET_INFO			0x02020000
183 
184 /*
185  * Solaris Specific MAX values
186  */
187 #define	MAX_SGL					24
188 /*
189  * MFI command completion codes
190  */
191 enum MFI_STAT {
192 	MFI_STAT_OK				= 0x00,
193 	MFI_STAT_INVALID_CMD			= 0x01,
194 	MFI_STAT_INVALID_DCMD			= 0x02,
195 	MFI_STAT_INVALID_PARAMETER		= 0x03,
196 	MFI_STAT_INVALID_SEQUENCE_NUMBER	= 0x04,
197 	MFI_STAT_ABORT_NOT_POSSIBLE		= 0x05,
198 	MFI_STAT_APP_HOST_CODE_NOT_FOUND	= 0x06,
199 	MFI_STAT_APP_IN_USE			= 0x07,
200 	MFI_STAT_APP_NOT_INITIALIZED		= 0x08,
201 	MFI_STAT_ARRAY_INDEX_INVALID		= 0x09,
202 	MFI_STAT_ARRAY_ROW_NOT_EMPTY		= 0x0a,
203 	MFI_STAT_CONFIG_RESOURCE_CONFLICT	= 0x0b,
204 	MFI_STAT_DEVICE_NOT_FOUND		= 0x0c,
205 	MFI_STAT_DRIVE_TOO_SMALL		= 0x0d,
206 	MFI_STAT_FLASH_ALLOC_FAIL		= 0x0e,
207 	MFI_STAT_FLASH_BUSY			= 0x0f,
208 	MFI_STAT_FLASH_ERROR			= 0x10,
209 	MFI_STAT_FLASH_IMAGE_BAD		= 0x11,
210 	MFI_STAT_FLASH_IMAGE_INCOMPLETE		= 0x12,
211 	MFI_STAT_FLASH_NOT_OPEN			= 0x13,
212 	MFI_STAT_FLASH_NOT_STARTED		= 0x14,
213 	MFI_STAT_FLUSH_FAILED			= 0x15,
214 	MFI_STAT_HOST_CODE_NOT_FOUNT		= 0x16,
215 	MFI_STAT_LD_CC_IN_PROGRESS		= 0x17,
216 	MFI_STAT_LD_INIT_IN_PROGRESS		= 0x18,
217 	MFI_STAT_LD_LBA_OUT_OF_RANGE		= 0x19,
218 	MFI_STAT_LD_MAX_CONFIGURED		= 0x1a,
219 	MFI_STAT_LD_NOT_OPTIMAL			= 0x1b,
220 	MFI_STAT_LD_RBLD_IN_PROGRESS		= 0x1c,
221 	MFI_STAT_LD_RECON_IN_PROGRESS		= 0x1d,
222 	MFI_STAT_LD_WRONG_RAID_LEVEL		= 0x1e,
223 	MFI_STAT_MAX_SPARES_EXCEEDED		= 0x1f,
224 	MFI_STAT_MEMORY_NOT_AVAILABLE		= 0x20,
225 	MFI_STAT_MFC_HW_ERROR			= 0x21,
226 	MFI_STAT_NO_HW_PRESENT			= 0x22,
227 	MFI_STAT_NOT_FOUND			= 0x23,
228 	MFI_STAT_NOT_IN_ENCL			= 0x24,
229 	MFI_STAT_PD_CLEAR_IN_PROGRESS		= 0x25,
230 	MFI_STAT_PD_TYPE_WRONG			= 0x26,
231 	MFI_STAT_PR_DISABLED			= 0x27,
232 	MFI_STAT_ROW_INDEX_INVALID		= 0x28,
233 	MFI_STAT_SAS_CONFIG_INVALID_ACTION	= 0x29,
234 	MFI_STAT_SAS_CONFIG_INVALID_DATA	= 0x2a,
235 	MFI_STAT_SAS_CONFIG_INVALID_PAGE	= 0x2b,
236 	MFI_STAT_SAS_CONFIG_INVALID_TYPE	= 0x2c,
237 	MFI_STAT_SCSI_DONE_WITH_ERROR		= 0x2d,
238 	MFI_STAT_SCSI_IO_FAILED			= 0x2e,
239 	MFI_STAT_SCSI_RESERVATION_CONFLICT	= 0x2f,
240 	MFI_STAT_SHUTDOWN_FAILED		= 0x30,
241 	MFI_STAT_TIME_NOT_SET			= 0x31,
242 	MFI_STAT_WRONG_STATE			= 0x32,
243 	MFI_STAT_LD_OFFLINE			= 0x33,
244 	/* UNUSED: 0x34 to 0xfe */
245 	MFI_STAT_INVALID_STATUS			= 0xFF
246 };
247 
248 enum MR_EVT_CLASS {
249 	MR_EVT_CLASS_DEBUG		= -2,
250 	MR_EVT_CLASS_PROGRESS		= -1,
251 	MR_EVT_CLASS_INFO		=  0,
252 	MR_EVT_CLASS_WARNING		=  1,
253 	MR_EVT_CLASS_CRITICAL		=  2,
254 	MR_EVT_CLASS_FATAL		=  3,
255 	MR_EVT_CLASS_DEAD		=  4
256 };
257 
258 enum MR_EVT_LOCALE {
259 	MR_EVT_LOCALE_LD		= 0x0001,
260 	MR_EVT_LOCALE_PD		= 0x0002,
261 	MR_EVT_LOCALE_ENCL		= 0x0004,
262 	MR_EVT_LOCALE_BBU		= 0x0008,
263 	MR_EVT_LOCALE_SAS		= 0x0010,
264 	MR_EVT_LOCALE_CTRL		= 0x0020,
265 	MR_EVT_LOCALE_CONFIG		= 0x0040,
266 	MR_EVT_LOCALE_CLUSTER		= 0x0080,
267 	MR_EVT_LOCALE_ALL		= 0xffff
268 };
269 
270 #define	MR_EVT_CFG_CLEARED		0x0004
271 #define	MR_EVT_LD_CREATED		0x008a
272 #define	MR_EVT_LD_DELETED		0x008b
273 #define	MR_EVT_PD_REMOVED_EXT		0x00f8
274 #define	MR_EVT_PD_INSERTED_EXT		0x00f7
275 
276 enum LD_STATE {
277 	LD_OFFLINE		= 0,
278 	LD_PARTIALLY_DEGRADED	= 1,
279 	LD_DEGRADED		= 2,
280 	LD_OPTIMAL		= 3,
281 	LD_INVALID		= 0xFF
282 };
283 
284 enum MRSAS_EVT {
285 	MRSAS_EVT_CONFIG_TGT	= 0,
286 	MRSAS_EVT_UNCONFIG_TGT	= 1,
287 	MRSAS_EVT_UNCONFIG_SMP	= 2
288 };
289 
290 #define	DMA_OBJ_ALLOCATED	1
291 #define	DMA_OBJ_REALLOCATED	2
292 #define	DMA_OBJ_FREED		3
293 
294 /*
295  * dma_obj_t	- Our DMA object
296  * @param buffer	: kernel virtual address
297  * @param size		: size of the data to be allocated
298  * @param acc_handle	: access handle
299  * @param dma_handle	: dma handle
300  * @param dma_cookie	: scatter-gather list
301  * @param dma_attr	: dma attributes for this buffer
302  * Our DMA object. The caller must initialize the size and dma attributes
303  * (dma_attr) fields before allocating the resources.
304  */
305 typedef struct {
306 	caddr_t			buffer;
307 	uint32_t		size;
308 	ddi_acc_handle_t	acc_handle;
309 	ddi_dma_handle_t	dma_handle;
310 	ddi_dma_cookie_t	dma_cookie[MRSAS_MAX_SGE_CNT];
311 	ddi_dma_attr_t		dma_attr;
312 	uint8_t			status;
313 	uint8_t			reserved[3];
314 } dma_obj_t;
315 
316 struct mrsas_eventinfo {
317 	struct mrsas_instance	*instance;
318 	int 			tgt;
319 	int 			lun;
320 	int 			event;
321 };
322 
323 struct mrsas_ld {
324 	dev_info_t		*dip;
325 	uint8_t 		lun_type;
326 	uint8_t 		reserved[3];
327 };
328 
329 struct mrsas_pd {
330 	dev_info_t		*dip;
331 	uint8_t 		lun_type;
332 	uint8_t 		dev_id;
333 	uint8_t 		flags;
334 	uint8_t 		reserved;
335 };
336 
337 struct mrsas_pd_info {
338 	uint16_t	deviceId;
339 	uint16_t	seqNum;
340 	uint8_t		inquiryData[96];
341 	uint8_t		vpdPage83[64];
342 	uint8_t		notSupported;
343 	uint8_t		scsiDevType;
344 	uint8_t		a;
345 	uint8_t		device_speed;
346 	uint32_t	mediaerrcnt;
347 	uint32_t	other;
348 	uint32_t	pred;
349 	uint32_t	lastpred;
350 	uint16_t	fwState;
351 	uint8_t		disabled;
352 	uint8_t		linkspwwd;
353 	uint32_t	ddfType;
354 	struct {
355 		uint8_t	count;
356 		uint8_t	isPathBroken;
357 		uint8_t	connectorIndex[2];
358 		uint8_t	reserved[4];
359 		uint64_t sasAddr[2];
360 		uint8_t	reserved2[16];
361 	} pathInfo;
362 };
363 
364 typedef struct mrsas_instance {
365 	uint32_t	*producer;
366 	uint32_t	*consumer;
367 
368 	uint32_t	*reply_queue;
369 	dma_obj_t	mfi_internal_dma_obj;
370 
371 	uint8_t		init_id;
372 	uint8_t		reserved[3];
373 
374 	uint16_t	max_num_sge;
375 	uint16_t	max_fw_cmds;
376 	uint32_t	max_sectors_per_req;
377 
378 	struct mrsas_cmd **cmd_list;
379 
380 	mlist_t		cmd_pool_list;
381 	kmutex_t	cmd_pool_mtx;
382 
383 	mlist_t		cmd_pend_list;
384 	kmutex_t	cmd_pend_mtx;
385 
386 	dma_obj_t	mfi_evt_detail_obj;
387 	struct mrsas_cmd *aen_cmd;
388 
389 	uint32_t	aen_seq_num;
390 	uint32_t	aen_class_locale_word;
391 
392 	scsi_hba_tran_t		*tran;
393 
394 	kcondvar_t	int_cmd_cv;
395 	kmutex_t	int_cmd_mtx;
396 
397 	kcondvar_t	aen_cmd_cv;
398 	kmutex_t	aen_cmd_mtx;
399 
400 	kcondvar_t	abort_cmd_cv;
401 	kmutex_t	abort_cmd_mtx;
402 
403 	dev_info_t		*dip;
404 	ddi_acc_handle_t	pci_handle;
405 
406 	timeout_id_t	timeout_id;
407 	uint32_t	unique_id;
408 	uint16_t	fw_outstanding;
409 	caddr_t		regmap;
410 	ddi_acc_handle_t	regmap_handle;
411 	uint8_t		isr_level;
412 	ddi_iblock_cookie_t	iblock_cookie;
413 	ddi_iblock_cookie_t	soft_iblock_cookie;
414 	ddi_softintr_t		soft_intr_id;
415 	uint8_t		softint_running;
416 	kmutex_t	completed_pool_mtx;
417 	mlist_t		completed_pool_list;
418 
419 	caddr_t		internal_buf;
420 	uint32_t	internal_buf_dmac_add;
421 	uint32_t	internal_buf_size;
422 
423 	uint16_t	vendor_id;
424 	uint16_t	device_id;
425 	uint16_t	subsysvid;
426 	uint16_t	subsysid;
427 	int		instance;
428 	int		baseaddress;
429 	char		iocnode[16];
430 
431 	int		fm_capabilities;
432 
433 	struct mrsas_func_ptr *func_ptr;
434 	/* MSI interrupts specific */
435 	ddi_intr_handle_t *intr_htable;
436 	int		intr_type;
437 	int		intr_cnt;
438 	size_t		intr_size;
439 	uint_t		intr_pri;
440 	int		intr_cap;
441 
442 	ddi_taskq_t	*taskq;
443 	struct mrsas_ld	*mr_ld_list;
444 } mrsas_t;
445 
446 struct mrsas_func_ptr {
447 	int (*read_fw_status_reg)(struct mrsas_instance *);
448 	void (*issue_cmd)(struct mrsas_cmd *, struct mrsas_instance *);
449 	int (*issue_cmd_in_sync_mode)(struct mrsas_instance *,
450 	    struct mrsas_cmd *);
451 	int (*issue_cmd_in_poll_mode)(struct mrsas_instance *,
452 	    struct mrsas_cmd *);
453 	void (*enable_intr)(struct mrsas_instance *);
454 	void (*disable_intr)(struct mrsas_instance *);
455 	int (*intr_ack)(struct mrsas_instance *);
456 };
457 
458 /*
459  * ### Helper routines ###
460  */
461 
462 /*
463  * con_log() - console log routine
464  * @param level		: indicates the severity of the message.
465  * @fparam mt		: format string
466  *
467  * con_log displays the error messages on the console based on the current
468  * debug level. Also it attaches the appropriate kernel severity level with
469  * the message.
470  *
471  *
472  * console messages debug levels
473  */
474 #define	CL_NONE		0	/* No debug information */
475 #define	CL_ANN		1	/* print unconditionally, announcements */
476 #define	CL_ANN1		2	/* No o/p  */
477 #define	CL_DLEVEL1	3	/* debug level 1, informative */
478 #define	CL_DLEVEL2	4	/* debug level 2, verbose */
479 #define	CL_DLEVEL3	5	/* debug level 3, very verbose */
480 
481 #ifdef __SUNPRO_C
482 #define	__func__ ""
483 #endif
484 
485 #define	con_log(level, fmt) { if (debug_level_g >= level) cmn_err fmt; }
486 
487 /*
488  * ### SCSA definitions ###
489  */
490 #define	PKT2TGT(pkt)	((pkt)->pkt_address.a_target)
491 #define	PKT2LUN(pkt)	((pkt)->pkt_address.a_lun)
492 #define	PKT2TRAN(pkt)	((pkt)->pkt_adress.a_hba_tran)
493 #define	ADDR2TRAN(ap)	((ap)->a_hba_tran)
494 
495 #define	TRAN2MR(tran)	(struct mrsas_instance *)(tran)->tran_hba_private)
496 #define	ADDR2MR(ap)	(TRAN2MR(ADDR2TRAN(ap))
497 
498 #define	PKT2CMD(pkt)	((struct scsa_cmd *)(pkt)->pkt_ha_private)
499 #define	CMD2PKT(sp)	((sp)->cmd_pkt)
500 #define	PKT2REQ(pkt)	(&(PKT2CMD(pkt)->request))
501 
502 #define	CMD2ADDR(cmd)	(&CMD2PKT(cmd)->pkt_address)
503 #define	CMD2TRAN(cmd)	(CMD2PKT(cmd)->pkt_address.a_hba_tran)
504 #define	CMD2MR(cmd)	(TRAN2MR(CMD2TRAN(cmd)))
505 
506 #define	CFLAG_DMAVALID		0x0001	/* requires a dma operation */
507 #define	CFLAG_DMASEND		0x0002	/* Transfer from the device */
508 #define	CFLAG_CONSISTENT	0x0040	/* consistent data transfer */
509 
510 /*
511  * ### Data structures for ioctl inteface and internal commands ###
512  */
513 
514 /*
515  * Data direction flags
516  */
517 #define	UIOC_RD		0x00001
518 #define	UIOC_WR		0x00002
519 
520 #define	SCP2HOST(scp)		(scp)->device->host	/* to host */
521 #define	SCP2HOSTDATA(scp)	SCP2HOST(scp)->hostdata	/* to soft state */
522 #define	SCP2CHANNEL(scp)	(scp)->device->channel	/* to channel */
523 #define	SCP2TARGET(scp)		(scp)->device->id	/* to target */
524 #define	SCP2LUN(scp)		(scp)->device->lun	/* to LUN */
525 
526 #define	SCSIHOST2ADAP(host)	(((caddr_t *)(host->hostdata))[0])
527 #define	SCP2ADAPTER(scp)				\
528 	(struct mrsas_instance *)SCSIHOST2ADAP(SCP2HOST(scp))
529 
530 #define	MRDRV_IS_LOGICAL_SCSA(instance, acmd)		\
531 	(acmd->device_id < MRDRV_MAX_LD) ? 1 : 0
532 #define	MRDRV_IS_LOGICAL(ap)				\
533 	((ap->a_target < MRDRV_MAX_LD) && (ap->a_lun == 0)) ? 1 : 0
534 #define	MAP_DEVICE_ID(instance, ap)			\
535 	(ap->a_target)
536 
537 #define	HIGH_LEVEL_INTR			1
538 #define	NORMAL_LEVEL_INTR		0
539 
540 /*
541  * scsa_cmd  - Per-command mr private data
542  * @param cmd_dmahandle		:  dma handle
543  * @param cmd_dmacookies	:  current dma cookies
544  * @param cmd_pkt		:  scsi_pkt reference
545  * @param cmd_dmacount		:  dma count
546  * @param cmd_cookie		:  next cookie
547  * @param cmd_ncookies		:  cookies per window
548  * @param cmd_cookiecnt		:  cookies per sub-win
549  * @param cmd_nwin		:  number of dma windows
550  * @param cmd_curwin		:  current dma window
551  * @param cmd_dma_offset	:  current window offset
552  * @param cmd_dma_len		:  current window length
553  * @param cmd_flags		:  private flags
554  * @param cmd_cdblen		:  length of cdb
555  * @param cmd_scblen		:  length of scb
556  * @param cmd_buf		:  command buffer
557  * @param channel		:  channel for scsi sub-system
558  * @param target		:  target for scsi sub-system
559  * @param lun			:  LUN for scsi sub-system
560  *
561  * - Allocated at same time as scsi_pkt by scsi_hba_pkt_alloc(9E)
562  * - Pointed to by pkt_ha_private field in scsi_pkt
563  */
564 struct scsa_cmd {
565 	ddi_dma_handle_t	cmd_dmahandle;
566 	ddi_dma_cookie_t	cmd_dmacookies[MRSAS_MAX_SGE_CNT];
567 	struct scsi_pkt		*cmd_pkt;
568 	ulong_t			cmd_dmacount;
569 	uint_t			cmd_cookie;
570 	uint_t			cmd_ncookies;
571 	uint_t			cmd_cookiecnt;
572 	uint_t			cmd_nwin;
573 	uint_t			cmd_curwin;
574 	off_t			cmd_dma_offset;
575 	ulong_t			cmd_dma_len;
576 	ulong_t			cmd_flags;
577 	uint_t			cmd_cdblen;
578 	uint_t			cmd_scblen;
579 	struct buf		*cmd_buf;
580 	ushort_t		device_id;
581 	uchar_t			islogical;
582 	uchar_t			lun;
583 	struct mrsas_device	*mrsas_dev;
584 };
585 
586 
587 struct mrsas_cmd {
588 	union mrsas_frame	*frame;
589 	uint32_t		frame_phys_addr;
590 	uint8_t			*sense;
591 	uint32_t		sense_phys_addr;
592 	dma_obj_t		frame_dma_obj;
593 	uint8_t			frame_dma_obj_status;
594 
595 	uint32_t		index;
596 	uint8_t			sync_cmd;
597 	uint8_t			cmd_status;
598 	uint16_t		abort_aen;
599 	mlist_t			list;
600 	uint32_t		frame_count;
601 	struct scsa_cmd		*cmd;
602 	struct scsi_pkt		*pkt;
603 };
604 
605 #define	MAX_MGMT_ADAPTERS			1024
606 #define	IOC_SIGNATURE				"MR-SAS"
607 
608 #define	IOC_CMD_FIRMWARE			0x0
609 #define	MRSAS_DRIVER_IOCTL_COMMON		0xF0010000
610 #define	MRSAS_DRIVER_IOCTL_DRIVER_VERSION	0xF0010100
611 #define	MRSAS_DRIVER_IOCTL_PCI_INFORMATION	0xF0010200
612 #define	MRSAS_DRIVER_IOCTL_MRRAID_STATISTICS	0xF0010300
613 
614 
615 #define	MRSAS_MAX_SENSE_LENGTH			32
616 
617 struct mrsas_mgmt_info {
618 
619 	uint16_t			count;
620 	struct mrsas_instance		*instance[MAX_MGMT_ADAPTERS];
621 	uint16_t			map[MAX_MGMT_ADAPTERS];
622 	int				max_index;
623 };
624 
625 #pragma pack(1)
626 
627 /*
628  * SAS controller properties
629  */
630 struct mrsas_ctrl_prop {
631 	uint16_t	seq_num;
632 	uint16_t	pred_fail_poll_interval;
633 	uint16_t	intr_throttle_count;
634 	uint16_t	intr_throttle_timeouts;
635 
636 	uint8_t		rebuild_rate;
637 	uint8_t		patrol_read_rate;
638 	uint8_t		bgi_rate;
639 	uint8_t		cc_rate;
640 	uint8_t		recon_rate;
641 
642 	uint8_t		cache_flush_interval;
643 
644 	uint8_t		spinup_drv_count;
645 	uint8_t		spinup_delay;
646 
647 	uint8_t		cluster_enable;
648 	uint8_t		coercion_mode;
649 	uint8_t		disk_write_cache_disable;
650 	uint8_t		alarm_enable;
651 
652 	uint8_t		reserved[44];
653 };
654 
655 /*
656  * SAS controller information
657  */
658 struct mrsas_ctrl_info {
659 	/* PCI device information */
660 	struct {
661 		uint16_t	vendor_id;
662 		uint16_t	device_id;
663 		uint16_t	sub_vendor_id;
664 		uint16_t	sub_device_id;
665 		uint8_t	reserved[24];
666 	} pci;
667 
668 	/* Host interface information */
669 	struct {
670 		uint8_t	PCIX		: 1;
671 		uint8_t	PCIE		: 1;
672 		uint8_t	iSCSI		: 1;
673 		uint8_t	SAS_3G		: 1;
674 		uint8_t	reserved_0	: 4;
675 		uint8_t	reserved_1[6];
676 		uint8_t	port_count;
677 		uint64_t	port_addr[8];
678 	} host_interface;
679 
680 	/* Device (backend) interface information */
681 	struct {
682 		uint8_t	SPI		: 1;
683 		uint8_t	SAS_3G		: 1;
684 		uint8_t	SATA_1_5G	: 1;
685 		uint8_t	SATA_3G		: 1;
686 		uint8_t	reserved_0	: 4;
687 		uint8_t	reserved_1[6];
688 		uint8_t	port_count;
689 		uint64_t	port_addr[8];
690 	} device_interface;
691 
692 	/* List of components residing in flash. All str are null terminated */
693 	uint32_t	image_check_word;
694 	uint32_t	image_component_count;
695 
696 	struct {
697 		char	name[8];
698 		char	version[32];
699 		char	build_date[16];
700 		char	built_time[16];
701 	} image_component[8];
702 
703 	/*
704 	 * List of flash components that have been flashed on the card, but
705 	 * are not in use, pending reset of the adapter. This list will be
706 	 * empty if a flash operation has not occurred. All stings are null
707 	 * terminated
708 	 */
709 	uint32_t	pending_image_component_count;
710 
711 	struct {
712 		char	name[8];
713 		char	version[32];
714 		char	build_date[16];
715 		char	build_time[16];
716 	} pending_image_component[8];
717 
718 	uint8_t		max_arms;
719 	uint8_t		max_spans;
720 	uint8_t		max_arrays;
721 	uint8_t		max_lds;
722 
723 	char		product_name[80];
724 	char		serial_no[32];
725 
726 	/*
727 	 * Other physical/controller/operation information. Indicates the
728 	 * presence of the hardware
729 	 */
730 	struct {
731 		uint32_t	bbu		: 1;
732 		uint32_t	alarm		: 1;
733 		uint32_t	nvram		: 1;
734 		uint32_t	uart		: 1;
735 		uint32_t	reserved	: 28;
736 	} hw_present;
737 
738 	uint32_t	current_fw_time;
739 
740 	/* Maximum data transfer sizes */
741 	uint16_t		max_concurrent_cmds;
742 	uint16_t		max_sge_count;
743 	uint32_t		max_request_size;
744 
745 	/* Logical and physical device counts */
746 	uint16_t		ld_present_count;
747 	uint16_t		ld_degraded_count;
748 	uint16_t		ld_offline_count;
749 
750 	uint16_t		pd_present_count;
751 	uint16_t		pd_disk_present_count;
752 	uint16_t		pd_disk_pred_failure_count;
753 	uint16_t		pd_disk_failed_count;
754 
755 	/* Memory size information */
756 	uint16_t		nvram_size;
757 	uint16_t		memory_size;
758 	uint16_t		flash_size;
759 
760 	/* Error counters */
761 	uint16_t		mem_correctable_error_count;
762 	uint16_t		mem_uncorrectable_error_count;
763 
764 	/* Cluster information */
765 	uint8_t		cluster_permitted;
766 	uint8_t		cluster_active;
767 	uint8_t		reserved_1[2];
768 
769 	/* Controller capabilities structures */
770 	struct {
771 		uint32_t	raid_level_0	: 1;
772 		uint32_t	raid_level_1	: 1;
773 		uint32_t	raid_level_5	: 1;
774 		uint32_t	raid_level_1E	: 1;
775 		uint32_t	reserved	: 28;
776 	} raid_levels;
777 
778 	struct {
779 		uint32_t	rbld_rate		: 1;
780 		uint32_t	cc_rate			: 1;
781 		uint32_t	bgi_rate		: 1;
782 		uint32_t	recon_rate		: 1;
783 		uint32_t	patrol_rate		: 1;
784 		uint32_t	alarm_control		: 1;
785 		uint32_t	cluster_supported	: 1;
786 		uint32_t	bbu			: 1;
787 		uint32_t	spanning_allowed	: 1;
788 		uint32_t	dedicated_hotspares	: 1;
789 		uint32_t	revertible_hotspares	: 1;
790 		uint32_t	foreign_config_import	: 1;
791 		uint32_t	self_diagnostic		: 1;
792 		uint32_t	reserved		: 19;
793 	} adapter_operations;
794 
795 	struct {
796 		uint32_t	read_policy	: 1;
797 		uint32_t	write_policy	: 1;
798 		uint32_t	io_policy	: 1;
799 		uint32_t	access_policy	: 1;
800 		uint32_t	reserved	: 28;
801 	} ld_operations;
802 
803 	struct {
804 		uint8_t	min;
805 		uint8_t	max;
806 		uint8_t	reserved[2];
807 	} stripe_size_operations;
808 
809 	struct {
810 		uint32_t	force_online	: 1;
811 		uint32_t	force_offline	: 1;
812 		uint32_t	force_rebuild	: 1;
813 		uint32_t	reserved	: 29;
814 	} pd_operations;
815 
816 	struct {
817 		uint32_t	ctrl_supports_sas	: 1;
818 		uint32_t	ctrl_supports_sata	: 1;
819 		uint32_t	allow_mix_in_encl	: 1;
820 		uint32_t	allow_mix_in_ld		: 1;
821 		uint32_t	allow_sata_in_cluster	: 1;
822 		uint32_t	reserved		: 27;
823 	} pd_mix_support;
824 
825 	/* Include the controller properties (changeable items) */
826 	uint8_t				reserved_2[12];
827 	struct mrsas_ctrl_prop		properties;
828 
829 	uint8_t				pad[0x800 - 0x640];
830 };
831 
832 /*
833  * ==================================
834  * MegaRAID SAS2.0 driver definitions
835  * ==================================
836  */
837 #define	MRDRV_MAX_NUM_CMD			1024
838 
839 #define	MRDRV_MAX_PD_CHANNELS			2
840 #define	MRDRV_MAX_LD_CHANNELS			2
841 #define	MRDRV_MAX_CHANNELS			(MRDRV_MAX_PD_CHANNELS + \
842 						MRDRV_MAX_LD_CHANNELS)
843 #define	MRDRV_MAX_DEV_PER_CHANNEL		128
844 #define	MRDRV_DEFAULT_INIT_ID			-1
845 #define	MRDRV_MAX_CMD_PER_LUN			1000
846 #define	MRDRV_MAX_LUN				1
847 #define	MRDRV_MAX_LD				64
848 
849 #define	MRDRV_RESET_WAIT_TIME			300
850 #define	MRDRV_RESET_NOTICE_INTERVAL		5
851 
852 #define	MRSAS_IOCTL_CMD				0
853 
854 /*
855  * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
856  * SGLs based on the size of dma_addr_t
857  */
858 #define	IS_DMA64		(sizeof (dma_addr_t) == 8)
859 
860 #define	IB_MSG_0_OFF			0x10	/* XScale */
861 #define	OB_MSG_0_OFF			0x18	/* XScale */
862 #define	IB_DOORBELL_OFF			0x20	/* XScale & ROC */
863 #define	OB_INTR_STATUS_OFF		0x30	/* XScale & ROC */
864 #define	OB_INTR_MASK_OFF		0x34	/* XScale & ROC */
865 #define	IB_QPORT_OFF			0x40	/* XScale & ROC */
866 #define	OB_DOORBELL_CLEAR_OFF		0xA0	/* ROC */
867 #define	OB_SCRATCH_PAD_0_OFF		0xB0	/* ROC */
868 #define	OB_INTR_MASK			0xFFFFFFFF
869 #define	OB_DOORBELL_CLEAR_MASK		0xFFFFFFFF
870 
871 /*
872  * All MFI register set macros accept mrsas_register_set*
873  */
874 #define	WR_IB_MSG_0(v, instance) 	ddi_put32((instance)->regmap_handle, \
875 	(uint32_t *)((uintptr_t)(instance)->regmap + IB_MSG_0_OFF), (v))
876 
877 #define	RD_OB_MSG_0(instance) 		ddi_get32((instance)->regmap_handle, \
878 	(uint32_t *)((uintptr_t)(instance)->regmap + OB_MSG_0_OFF))
879 
880 #define	WR_IB_DOORBELL(v, instance)	ddi_put32((instance)->regmap_handle, \
881 	(uint32_t *)((uintptr_t)(instance)->regmap + IB_DOORBELL_OFF), (v))
882 
883 #define	RD_IB_DOORBELL(instance)	ddi_get32((instance)->regmap_handle, \
884 	(uint32_t *)((uintptr_t)(instance)->regmap + IB_DOORBELL_OFF))
885 
886 #define	WR_OB_INTR_STATUS(v, instance) 	ddi_put32((instance)->regmap_handle, \
887 	(uint32_t *)((uintptr_t)(instance)->regmap + OB_INTR_STATUS_OFF), (v))
888 
889 #define	RD_OB_INTR_STATUS(instance) 	ddi_get32((instance)->regmap_handle, \
890 	(uint32_t *)((uintptr_t)(instance)->regmap + OB_INTR_STATUS_OFF))
891 
892 #define	WR_OB_INTR_MASK(v, instance) 	ddi_put32((instance)->regmap_handle, \
893 	(uint32_t *)((uintptr_t)(instance)->regmap + OB_INTR_MASK_OFF), (v))
894 
895 #define	RD_OB_INTR_MASK(instance) 	ddi_get32((instance)->regmap_handle, \
896 	(uint32_t *)((uintptr_t)(instance)->regmap + OB_INTR_MASK_OFF))
897 
898 #define	WR_IB_QPORT(v, instance) 	ddi_put32((instance)->regmap_handle, \
899 	(uint32_t *)((uintptr_t)(instance)->regmap + IB_QPORT_OFF), (v))
900 
901 #define	WR_OB_DOORBELL_CLEAR(v, instance) ddi_put32((instance)->regmap_handle, \
902 	(uint32_t *)((uintptr_t)(instance)->regmap + OB_DOORBELL_CLEAR_OFF), \
903 	(v))
904 
905 #define	RD_OB_SCRATCH_PAD_0(instance) 	ddi_get32((instance)->regmap_handle, \
906 	(uint32_t *)((uintptr_t)(instance)->regmap + OB_SCRATCH_PAD_0_OFF))
907 
908 /*
909  * When FW is in MFI_STATE_READY or MFI_STATE_OPERATIONAL, the state data
910  * of Outbound Msg Reg 0 indicates max concurrent cmds supported, max SGEs
911  * supported per cmd and if 64-bit MFAs (M64) is enabled or disabled.
912  */
913 #define	MFI_OB_INTR_STATUS_MASK		0x00000002
914 
915 /*
916  * This MFI_REPLY_2108_MESSAGE_INTR flag is used also
917  * in enable_intr_ppc also. Hence bit 2, i.e. 0x4 has
918  * been set in this flag along with bit 1.
919  */
920 #define	MFI_REPLY_2108_MESSAGE_INTR		0x00000001
921 #define	MFI_REPLY_2108_MESSAGE_INTR_MASK	0x00000005
922 
923 #define	MFI_POLL_TIMEOUT_SECS		60
924 
925 #define	MFI_ENABLE_INTR(instance)  ddi_put32((instance)->regmap_handle, \
926 	(uint32_t *)((uintptr_t)(instance)->regmap + OB_INTR_MASK_OFF), 1)
927 #define	MFI_DISABLE_INTR(instance)					\
928 {									\
929 	uint32_t disable = 1;						\
930 	uint32_t mask =  ddi_get32((instance)->regmap_handle, 		\
931 	    (uint32_t *)((uintptr_t)(instance)->regmap + OB_INTR_MASK_OFF));\
932 	mask &= ~disable;						\
933 	ddi_put32((instance)->regmap_handle, (uint32_t *)		\
934 	    (uintptr_t)((instance)->regmap + OB_INTR_MASK_OFF), mask);	\
935 }
936 
937 /* By default, the firmware programs for 8 Kbytes of memory */
938 #define	DEFAULT_MFI_MEM_SZ	8192
939 #define	MINIMUM_MFI_MEM_SZ	4096
940 
941 /* DCMD Message Frame MAILBOX0-11 */
942 #define	DCMD_MBOX_SZ		12
943 
944 
945 struct mrsas_register_set {
946 	uint32_t	reserved_0[4];
947 
948 	uint32_t	inbound_msg_0;
949 	uint32_t	inbound_msg_1;
950 	uint32_t	outbound_msg_0;
951 	uint32_t	outbound_msg_1;
952 
953 	uint32_t	inbound_doorbell;
954 	uint32_t	inbound_intr_status;
955 	uint32_t	inbound_intr_mask;
956 
957 	uint32_t	outbound_doorbell;
958 	uint32_t	outbound_intr_status;
959 	uint32_t	outbound_intr_mask;
960 
961 	uint32_t	reserved_1[2];
962 
963 	uint32_t	inbound_queue_port;
964 	uint32_t	outbound_queue_port;
965 
966 	uint32_t 	reserved_2[22];
967 
968 	uint32_t 	outbound_doorbell_clear;
969 
970 	uint32_t 	reserved_3[3];
971 
972 	uint32_t 	outbound_scratch_pad;
973 
974 	uint32_t 	reserved_4[3];
975 
976 	uint32_t 	inbound_low_queue_port;
977 
978 	uint32_t 	inbound_high_queue_port;
979 
980 	uint32_t 	reserved_5;
981 	uint32_t 	index_registers[820];
982 };
983 
984 struct mrsas_sge32 {
985 	uint32_t	phys_addr;
986 	uint32_t	length;
987 };
988 
989 struct mrsas_sge64 {
990 	uint64_t	phys_addr;
991 	uint32_t	length;
992 };
993 
994 union mrsas_sgl {
995 	struct mrsas_sge32	sge32[1];
996 	struct mrsas_sge64	sge64[1];
997 };
998 
999 struct mrsas_header {
1000 	uint8_t		cmd;
1001 	uint8_t		sense_len;
1002 	uint8_t		cmd_status;
1003 	uint8_t		scsi_status;
1004 
1005 	uint8_t		target_id;
1006 	uint8_t		lun;
1007 	uint8_t		cdb_len;
1008 	uint8_t		sge_count;
1009 
1010 	uint32_t	context;
1011 	uint8_t		req_id;
1012 	uint8_t		msgvector;
1013 	uint16_t	pad_0;
1014 
1015 	uint16_t	flags;
1016 	uint16_t	timeout;
1017 	uint32_t	data_xferlen;
1018 };
1019 
1020 union mrsas_sgl_frame {
1021 	struct mrsas_sge32	sge32[8];
1022 	struct mrsas_sge64	sge64[5];
1023 };
1024 
1025 struct mrsas_init_frame {
1026 	uint8_t		cmd;
1027 	uint8_t		reserved_0;
1028 	uint8_t		cmd_status;
1029 
1030 	uint8_t		reserved_1;
1031 	uint32_t	reserved_2;
1032 
1033 	uint32_t	context;
1034 	uint8_t		req_id;
1035 	uint8_t		msgvector;
1036 	uint16_t	pad_0;
1037 
1038 	uint16_t	flags;
1039 	uint16_t	reserved_3;
1040 	uint32_t	data_xfer_len;
1041 
1042 	uint32_t	queue_info_new_phys_addr_lo;
1043 	uint32_t	queue_info_new_phys_addr_hi;
1044 	uint32_t	queue_info_old_phys_addr_lo;
1045 	uint32_t	queue_info_old_phys_addr_hi;
1046 
1047 	uint32_t	reserved_4[6];
1048 };
1049 
1050 struct mrsas_init_queue_info {
1051 	uint32_t		init_flags;
1052 	uint32_t		reply_queue_entries;
1053 
1054 	uint32_t		reply_queue_start_phys_addr_lo;
1055 	uint32_t		reply_queue_start_phys_addr_hi;
1056 	uint32_t		producer_index_phys_addr_lo;
1057 	uint32_t		producer_index_phys_addr_hi;
1058 	uint32_t		consumer_index_phys_addr_lo;
1059 	uint32_t		consumer_index_phys_addr_hi;
1060 };
1061 
1062 struct mrsas_io_frame {
1063 	uint8_t			cmd;
1064 	uint8_t			sense_len;
1065 	uint8_t			cmd_status;
1066 	uint8_t			scsi_status;
1067 
1068 	uint8_t			target_id;
1069 	uint8_t			access_byte;
1070 	uint8_t			reserved_0;
1071 	uint8_t			sge_count;
1072 
1073 	uint32_t		context;
1074 	uint8_t			req_id;
1075 	uint8_t			msgvector;
1076 	uint16_t		pad_0;
1077 
1078 	uint16_t		flags;
1079 	uint16_t		timeout;
1080 	uint32_t		lba_count;
1081 
1082 	uint32_t		sense_buf_phys_addr_lo;
1083 	uint32_t		sense_buf_phys_addr_hi;
1084 
1085 	uint32_t		start_lba_lo;
1086 	uint32_t		start_lba_hi;
1087 
1088 	union mrsas_sgl		sgl;
1089 };
1090 
1091 struct mrsas_pthru_frame {
1092 	uint8_t			cmd;
1093 	uint8_t			sense_len;
1094 	uint8_t			cmd_status;
1095 	uint8_t			scsi_status;
1096 
1097 	uint8_t			target_id;
1098 	uint8_t			lun;
1099 	uint8_t			cdb_len;
1100 	uint8_t			sge_count;
1101 
1102 	uint32_t		context;
1103 	uint8_t			req_id;
1104 	uint8_t			msgvector;
1105 	uint16_t		pad_0;
1106 
1107 	uint16_t		flags;
1108 	uint16_t		timeout;
1109 	uint32_t		data_xfer_len;
1110 
1111 	uint32_t		sense_buf_phys_addr_lo;
1112 	uint32_t		sense_buf_phys_addr_hi;
1113 
1114 	uint8_t			cdb[16];
1115 	union mrsas_sgl		sgl;
1116 };
1117 
1118 struct mrsas_dcmd_frame {
1119 	uint8_t			cmd;
1120 	uint8_t			reserved_0;
1121 	uint8_t			cmd_status;
1122 	uint8_t			reserved_1[4];
1123 	uint8_t			sge_count;
1124 
1125 	uint32_t		context;
1126 	uint8_t			req_id;
1127 	uint8_t			msgvector;
1128 	uint16_t		pad_0;
1129 
1130 	uint16_t		flags;
1131 	uint16_t		timeout;
1132 
1133 	uint32_t		data_xfer_len;
1134 	uint32_t		opcode;
1135 
1136 	union {
1137 		uint8_t b[DCMD_MBOX_SZ];
1138 		uint16_t s[6];
1139 		uint32_t w[3];
1140 	} mbox;
1141 
1142 	union mrsas_sgl		sgl;
1143 };
1144 
1145 struct mrsas_abort_frame {
1146 	uint8_t		cmd;
1147 	uint8_t		reserved_0;
1148 	uint8_t		cmd_status;
1149 
1150 	uint8_t		reserved_1;
1151 	uint32_t	reserved_2;
1152 
1153 	uint32_t	context;
1154 	uint8_t		req_id;
1155 	uint8_t		msgvector;
1156 	uint16_t	pad_0;
1157 
1158 	uint16_t	flags;
1159 	uint16_t	reserved_3;
1160 	uint32_t	reserved_4;
1161 
1162 	uint32_t	abort_context;
1163 	uint32_t	pad_1;
1164 
1165 	uint32_t	abort_mfi_phys_addr_lo;
1166 	uint32_t	abort_mfi_phys_addr_hi;
1167 
1168 	uint32_t	reserved_5[6];
1169 };
1170 
1171 struct mrsas_smp_frame {
1172 	uint8_t		cmd;
1173 	uint8_t		reserved_1;
1174 	uint8_t		cmd_status;
1175 	uint8_t		connection_status;
1176 
1177 	uint8_t		reserved_2[3];
1178 	uint8_t		sge_count;
1179 
1180 	uint32_t	context;
1181 	uint8_t		req_id;
1182 	uint8_t		msgvector;
1183 	uint16_t	pad_0;
1184 
1185 	uint16_t	flags;
1186 	uint16_t	timeout;
1187 
1188 	uint32_t	data_xfer_len;
1189 
1190 	uint64_t	sas_addr;
1191 
1192 	union mrsas_sgl	sgl[2];
1193 };
1194 
1195 struct mrsas_stp_frame {
1196 	uint8_t		cmd;
1197 	uint8_t		reserved_1;
1198 	uint8_t		cmd_status;
1199 	uint8_t		connection_status;
1200 
1201 	uint8_t		target_id;
1202 	uint8_t		reserved_2[2];
1203 	uint8_t		sge_count;
1204 
1205 	uint32_t	context;
1206 	uint8_t		req_id;
1207 	uint8_t		msgvector;
1208 	uint16_t	pad_0;
1209 
1210 	uint16_t	flags;
1211 	uint16_t	timeout;
1212 
1213 	uint32_t	data_xfer_len;
1214 
1215 	uint16_t	fis[10];
1216 	uint32_t	stp_flags;
1217 	union mrsas_sgl	sgl;
1218 };
1219 
1220 union mrsas_frame {
1221 	struct mrsas_header		hdr;
1222 	struct mrsas_init_frame		init;
1223 	struct mrsas_io_frame		io;
1224 	struct mrsas_pthru_frame	pthru;
1225 	struct mrsas_dcmd_frame		dcmd;
1226 	struct mrsas_abort_frame	abort;
1227 	struct mrsas_smp_frame		smp;
1228 	struct mrsas_stp_frame		stp;
1229 
1230 	uint8_t			raw_bytes[64];
1231 };
1232 
1233 typedef struct mrsas_pd_address {
1234 	uint16_t	device_id;
1235 	uint16_t	encl_id;
1236 
1237 	union {
1238 		struct {
1239 			uint8_t encl_index;
1240 			uint8_t slot_number;
1241 		} pd_address;
1242 		struct {
1243 			uint8_t	encl_position;
1244 			uint8_t	encl_connector_index;
1245 		} encl_address;
1246 	}address;
1247 
1248 	uint8_t	scsi_dev_type;
1249 
1250 	union {
1251 		uint8_t		port_bitmap;
1252 		uint8_t		port_numbers;
1253 	} connected;
1254 
1255 	uint64_t		sas_addr[2];
1256 } mrsas_pd_address_t;
1257 
1258 union mrsas_evt_class_locale {
1259 	struct {
1260 		uint16_t	locale;
1261 		uint8_t		reserved;
1262 		int8_t		class;
1263 	} members;
1264 
1265 	uint32_t	word;
1266 };
1267 
1268 struct mrsas_evt_log_info {
1269 	uint32_t	newest_seq_num;
1270 	uint32_t	oldest_seq_num;
1271 	uint32_t	clear_seq_num;
1272 	uint32_t	shutdown_seq_num;
1273 	uint32_t	boot_seq_num;
1274 };
1275 
1276 struct mrsas_progress {
1277 	uint16_t	progress;
1278 	uint16_t	elapsed_seconds;
1279 };
1280 
1281 struct mrsas_evtarg_ld {
1282 	uint16_t	target_id;
1283 	uint8_t		ld_index;
1284 	uint8_t		reserved;
1285 };
1286 
1287 struct mrsas_evtarg_pd {
1288 	uint16_t	device_id;
1289 	uint8_t		encl_index;
1290 	uint8_t		slot_number;
1291 };
1292 
1293 struct mrsas_evt_detail {
1294 	uint32_t	seq_num;
1295 	uint32_t	time_stamp;
1296 	uint32_t	code;
1297 	union mrsas_evt_class_locale	cl;
1298 	uint8_t		arg_type;
1299 	uint8_t		reserved1[15];
1300 
1301 	union {
1302 		struct {
1303 			struct mrsas_evtarg_pd	pd;
1304 			uint8_t			cdb_length;
1305 			uint8_t			sense_length;
1306 			uint8_t			reserved[2];
1307 			uint8_t			cdb[16];
1308 			uint8_t			sense[64];
1309 		} cdbSense;
1310 
1311 		struct mrsas_evtarg_ld		ld;
1312 
1313 		struct {
1314 			struct mrsas_evtarg_ld	ld;
1315 			uint64_t		count;
1316 		} ld_count;
1317 
1318 		struct {
1319 			uint64_t		lba;
1320 			struct mrsas_evtarg_ld	ld;
1321 		} ld_lba;
1322 
1323 		struct {
1324 			struct mrsas_evtarg_ld	ld;
1325 			uint32_t		prevOwner;
1326 			uint32_t		newOwner;
1327 		} ld_owner;
1328 
1329 		struct {
1330 			uint64_t		ld_lba;
1331 			uint64_t		pd_lba;
1332 			struct mrsas_evtarg_ld	ld;
1333 			struct mrsas_evtarg_pd	pd;
1334 		} ld_lba_pd_lba;
1335 
1336 		struct {
1337 			struct mrsas_evtarg_ld	ld;
1338 			struct mrsas_progress	prog;
1339 		} ld_prog;
1340 
1341 		struct {
1342 			struct mrsas_evtarg_ld	ld;
1343 			uint32_t		prev_state;
1344 			uint32_t		new_state;
1345 		} ld_state;
1346 
1347 		struct {
1348 			uint64_t		strip;
1349 			struct mrsas_evtarg_ld	ld;
1350 		} ld_strip;
1351 
1352 		struct mrsas_evtarg_pd		pd;
1353 
1354 		struct {
1355 			struct mrsas_evtarg_pd	pd;
1356 			uint32_t		err;
1357 		} pd_err;
1358 
1359 		struct {
1360 			uint64_t		lba;
1361 			struct mrsas_evtarg_pd	pd;
1362 		} pd_lba;
1363 
1364 		struct {
1365 			uint64_t		lba;
1366 			struct mrsas_evtarg_pd	pd;
1367 			struct mrsas_evtarg_ld	ld;
1368 		} pd_lba_ld;
1369 
1370 		struct {
1371 			struct mrsas_evtarg_pd	pd;
1372 			struct mrsas_progress	prog;
1373 		} pd_prog;
1374 
1375 		struct {
1376 			struct mrsas_evtarg_pd	pd;
1377 			uint32_t		prevState;
1378 			uint32_t		newState;
1379 		} pd_state;
1380 
1381 		struct {
1382 			uint16_t	vendorId;
1383 			uint16_t	deviceId;
1384 			uint16_t	subVendorId;
1385 			uint16_t	subDeviceId;
1386 		} pci;
1387 
1388 		uint32_t	rate;
1389 		char		str[96];
1390 
1391 		struct {
1392 			uint32_t	rtc;
1393 			uint32_t	elapsedSeconds;
1394 		} time;
1395 
1396 		struct {
1397 			uint32_t	ecar;
1398 			uint32_t	elog;
1399 			char		str[64];
1400 		} ecc;
1401 
1402 		mrsas_pd_address_t	pd_addr;
1403 
1404 		uint8_t		b[96];
1405 		uint16_t	s[48];
1406 		uint32_t	w[24];
1407 		uint64_t	d[12];
1408 	} args;
1409 
1410 	char	description[128];
1411 
1412 };
1413 
1414 /* only 63 are usable by the application */
1415 #define	MAX_LOGICAL_DRIVES			64
1416 /* only 255 physical devices may be used */
1417 #define	MAX_PHYSICAL_DEVICES			256
1418 #define	MAX_PD_PER_ENCLOSURE			64
1419 /* maximum disks per array */
1420 #define	MAX_ROW_SIZE				32
1421 /* maximum spans per logical drive */
1422 #define	MAX_SPAN_DEPTH				8
1423 /* maximum number of arrays a hot spare may be dedicated to */
1424 #define	MAX_ARRAYS_DEDICATED			16
1425 /* maximum number of arrays which may exist */
1426 #define	MAX_ARRAYS				128
1427 /* maximum number of foreign configs that may ha managed at once */
1428 #define	MAX_FOREIGN_CONFIGS			8
1429 /* maximum spares (global and dedicated combined) */
1430 #define	MAX_SPARES_FOR_THE_CONTROLLER		MAX_PHYSICAL_DEVICES
1431 /* maximum possible Target IDs (i.e. 0 to 63) */
1432 #define	MAX_TARGET_ID				63
1433 /* maximum number of supported enclosures */
1434 #define	MAX_ENCLOSURES				32
1435 /* maximum number of PHYs per controller */
1436 #define	MAX_PHYS_PER_CONTROLLER			16
1437 /* maximum number of LDs per array (due to DDF limitations) */
1438 #define	MAX_LDS_PER_ARRAY			16
1439 
1440 /*
1441  * -----------------------------------------------------------------------------
1442  * -----------------------------------------------------------------------------
1443  *
1444  * Logical Drive commands
1445  *
1446  * -----------------------------------------------------------------------------
1447  * -----------------------------------------------------------------------------
1448  */
1449 #define	MR_DCMD_LD	0x03000000,	/* Logical Device (LD) opcodes */
1450 
1451 /*
1452  * Input:	dcmd.opcode	- MR_DCMD_LD_GET_LIST
1453  *		dcmd.mbox	- reserved
1454  *		dcmd.sge IN	- ptr to returned MR_LD_LIST structure
1455  * Desc:	Return the logical drive list structure
1456  * Status:	No error
1457  */
1458 
1459 /*
1460  * defines the logical drive reference structure
1461  */
1462 typedef	union _MR_LD_REF {	/* LD reference structure */
1463 	struct {
1464 		uint8_t	targetId; /* LD target id (0 to MAX_TARGET_ID) */
1465 		uint8_t	reserved; /* reserved for in line with MR_PD_REF */
1466 		uint16_t seqNum;  /* Sequence Number */
1467 	} ld_ref;
1468 	uint32_t ref;		/* shorthand reference to full 32-bits */
1469 } MR_LD_REF;			/* 4 bytes */
1470 
1471 /*
1472  * defines the logical drive list structure
1473  */
1474 typedef struct _MR_LD_LIST {
1475 	uint32_t	ldCount;	/* number of LDs */
1476 	uint32_t	reserved;	/* pad to 8-byte boundary */
1477 	struct {
1478 		MR_LD_REF ref;	/* LD reference */
1479 		uint8_t	state;		/* current LD state (MR_LD_STATE) */
1480 		uint8_t	reserved[3];	/* pad to 8-byte boundary */
1481 		uint64_t size;		/* LD size */
1482 	} ldList[MAX_LOGICAL_DRIVES];
1483 } MR_LD_LIST;
1484 
1485 struct mrsas_drv_ver {
1486 	uint8_t	signature[12];
1487 	uint8_t	os_name[16];
1488 	uint8_t	os_ver[12];
1489 	uint8_t	drv_name[20];
1490 	uint8_t	drv_ver[32];
1491 	uint8_t	drv_rel_date[20];
1492 };
1493 
1494 #define	PCI_TYPE0_ADDRESSES		6
1495 #define	PCI_TYPE1_ADDRESSES		2
1496 #define	PCI_TYPE2_ADDRESSES		5
1497 
1498 struct mrsas_pci_common_header {
1499 	uint16_t	vendorID;		/* (ro) */
1500 	uint16_t	deviceID;		/* (ro) */
1501 	uint16_t	command;		/* Device control */
1502 	uint16_t	status;
1503 	uint8_t		revisionID;		/* (ro) */
1504 	uint8_t		progIf;			/* (ro) */
1505 	uint8_t		subClass;		/* (ro) */
1506 	uint8_t		baseClass;		/* (ro) */
1507 	uint8_t		cacheLineSize;		/* (ro+) */
1508 	uint8_t		latencyTimer;		/* (ro+) */
1509 	uint8_t		headerType;		/* (ro) */
1510 	uint8_t		bist;			/* Built in self test */
1511 
1512 	union {
1513 	    struct {
1514 		uint32_t	baseAddresses[PCI_TYPE0_ADDRESSES];
1515 		uint32_t	cis;
1516 		uint16_t	subVendorID;
1517 		uint16_t	subSystemID;
1518 		uint32_t	romBaseAddress;
1519 		uint8_t		capabilitiesPtr;
1520 		uint8_t		reserved1[3];
1521 		uint32_t	reserved2;
1522 		uint8_t		interruptLine;
1523 		uint8_t		interruptPin;	/* (ro) */
1524 		uint8_t		minimumGrant;	/* (ro) */
1525 		uint8_t		maximumLatency;	/* (ro) */
1526 	    } type_0;
1527 
1528 	    struct {
1529 		uint32_t	baseAddresses[PCI_TYPE1_ADDRESSES];
1530 		uint8_t		primaryBus;
1531 		uint8_t		secondaryBus;
1532 		uint8_t		subordinateBus;
1533 		uint8_t		secondaryLatency;
1534 		uint8_t		ioBase;
1535 		uint8_t		ioLimit;
1536 		uint16_t	secondaryStatus;
1537 		uint16_t	memoryBase;
1538 		uint16_t	memoryLimit;
1539 		uint16_t	prefetchBase;
1540 		uint16_t	prefetchLimit;
1541 		uint32_t	prefetchBaseUpper32;
1542 		uint32_t	prefetchLimitUpper32;
1543 		uint16_t	ioBaseUpper16;
1544 		uint16_t	ioLimitUpper16;
1545 		uint8_t		capabilitiesPtr;
1546 		uint8_t		reserved1[3];
1547 		uint32_t	romBaseAddress;
1548 		uint8_t		interruptLine;
1549 		uint8_t		interruptPin;
1550 		uint16_t	bridgeControl;
1551 	    } type_1;
1552 
1553 	    struct {
1554 		uint32_t	socketRegistersBaseAddress;
1555 		uint8_t		capabilitiesPtr;
1556 		uint8_t		reserved;
1557 		uint16_t	secondaryStatus;
1558 		uint8_t		primaryBus;
1559 		uint8_t		secondaryBus;
1560 		uint8_t		subordinateBus;
1561 		uint8_t		secondaryLatency;
1562 		struct {
1563 			uint32_t	base;
1564 			uint32_t	limit;
1565 		} range[PCI_TYPE2_ADDRESSES-1];
1566 		uint8_t		interruptLine;
1567 		uint8_t		interruptPin;
1568 		uint16_t	bridgeControl;
1569 	    } type_2;
1570 	} header;
1571 };
1572 
1573 struct mrsas_pci_link_capability {
1574 	union {
1575 	    struct {
1576 		uint32_t linkSpeed		:4;
1577 		uint32_t linkWidth		:6;
1578 		uint32_t aspmSupport		:2;
1579 		uint32_t losExitLatency		:3;
1580 		uint32_t l1ExitLatency		:3;
1581 		uint32_t rsvdp			:6;
1582 		uint32_t portNumber		:8;
1583 	    } bits;
1584 
1585 	    uint32_t asUlong;
1586 	} cap;
1587 
1588 };
1589 
1590 struct mrsas_pci_link_status_capability {
1591 	union {
1592 	    struct {
1593 		uint16_t linkSpeed		:4;
1594 		uint16_t negotiatedLinkWidth	:6;
1595 		uint16_t linkTrainingError	:1;
1596 		uint16_t linkTraning		:1;
1597 		uint16_t slotClockConfig	:1;
1598 		uint16_t rsvdZ			:3;
1599 	    } bits;
1600 
1601 	    uint16_t asUshort;
1602 	} stat_cap;
1603 
1604 	uint16_t reserved;
1605 
1606 };
1607 
1608 struct mrsas_pci_capabilities {
1609 	struct mrsas_pci_link_capability	linkCapability;
1610 	struct mrsas_pci_link_status_capability linkStatusCapability;
1611 };
1612 
1613 struct mrsas_pci_information
1614 {
1615 	uint32_t		busNumber;
1616 	uint8_t			deviceNumber;
1617 	uint8_t			functionNumber;
1618 	uint8_t			interruptVector;
1619 	uint8_t			reserved;
1620 	struct mrsas_pci_common_header pciHeaderInfo;
1621 	struct mrsas_pci_capabilities capability;
1622 	uint8_t			reserved2[32];
1623 };
1624 
1625 struct mrsas_ioctl {
1626 	uint16_t	version;
1627 	uint16_t	controller_id;
1628 	uint8_t		signature[8];
1629 	uint32_t	reserved_1;
1630 	uint32_t	control_code;
1631 	uint32_t	reserved_2[2];
1632 	uint8_t		frame[64];
1633 	union mrsas_sgl_frame sgl_frame;
1634 	uint8_t		sense_buff[MRSAS_MAX_SENSE_LENGTH];
1635 	uint8_t		data[1];
1636 };
1637 
1638 struct mrsas_aen {
1639 	uint16_t	host_no;
1640 	uint16_t	cmd_status;
1641 	uint32_t	seq_num;
1642 	uint32_t	class_locale_word;
1643 };
1644 #pragma pack()
1645 
1646 #ifndef	DDI_VENDOR_LSI
1647 #define	DDI_VENDOR_LSI		"LSI"
1648 #endif /* DDI_VENDOR_LSI */
1649 
1650 #ifndef	KMDB_MODULE
1651 static int	mrsas_getinfo(dev_info_t *, ddi_info_cmd_t,  void *, void **);
1652 static int	mrsas_attach(dev_info_t *, ddi_attach_cmd_t);
1653 static int	mrsas_reset(dev_info_t *, ddi_reset_cmd_t);
1654 static int	mrsas_detach(dev_info_t *, ddi_detach_cmd_t);
1655 static int	mrsas_open(dev_t *, int, int, cred_t *);
1656 static int	mrsas_close(dev_t, int, int, cred_t *);
1657 static int	mrsas_ioctl(dev_t, int, intptr_t, int, cred_t *, int *);
1658 
1659 static int	mrsas_tran_tgt_init(dev_info_t *, dev_info_t *,
1660 		    scsi_hba_tran_t *, struct scsi_device *);
1661 static struct scsi_pkt *mrsas_tran_init_pkt(struct scsi_address *, register
1662 		    struct scsi_pkt *, struct buf *, int, int, int, int,
1663 		    int (*)(), caddr_t);
1664 static int	mrsas_tran_start(struct scsi_address *,
1665 		    register struct scsi_pkt *);
1666 static int	mrsas_tran_abort(struct scsi_address *, struct scsi_pkt *);
1667 static int	mrsas_tran_reset(struct scsi_address *, int);
1668 static int	mrsas_tran_getcap(struct scsi_address *, char *, int);
1669 static int	mrsas_tran_setcap(struct scsi_address *, char *, int, int);
1670 static void	mrsas_tran_destroy_pkt(struct scsi_address *,
1671 		    struct scsi_pkt *);
1672 static void	mrsas_tran_dmafree(struct scsi_address *, struct scsi_pkt *);
1673 static void	mrsas_tran_sync_pkt(struct scsi_address *, struct scsi_pkt *);
1674 static uint_t	mrsas_isr();
1675 static uint_t	mrsas_softintr();
1676 
1677 static int	init_mfi(struct mrsas_instance *);
1678 static int	mrsas_free_dma_obj(struct mrsas_instance *, dma_obj_t);
1679 static int	mrsas_alloc_dma_obj(struct mrsas_instance *, dma_obj_t *,
1680 		    uchar_t);
1681 static struct mrsas_cmd *get_mfi_pkt(struct mrsas_instance *);
1682 static void	return_mfi_pkt(struct mrsas_instance *,
1683 		    struct mrsas_cmd *);
1684 
1685 static void	free_space_for_mfi(struct mrsas_instance *);
1686 static void	free_additional_dma_buffer(struct mrsas_instance *);
1687 static int	alloc_additional_dma_buffer(struct mrsas_instance *);
1688 static int	read_fw_status_reg_ppc(struct mrsas_instance *);
1689 static void	issue_cmd_ppc(struct mrsas_cmd *, struct mrsas_instance *);
1690 static int	issue_cmd_in_poll_mode_ppc(struct mrsas_instance *,
1691 		    struct mrsas_cmd *);
1692 static int	issue_cmd_in_sync_mode_ppc(struct mrsas_instance *,
1693 		    struct mrsas_cmd *);
1694 static void	enable_intr_ppc(struct mrsas_instance *);
1695 static void	disable_intr_ppc(struct mrsas_instance *);
1696 static int	intr_ack_ppc(struct mrsas_instance *);
1697 static int	mfi_state_transition_to_ready(struct mrsas_instance *);
1698 static void	destroy_mfi_frame_pool(struct mrsas_instance *);
1699 static int	create_mfi_frame_pool(struct mrsas_instance *);
1700 static int	mrsas_dma_alloc(struct mrsas_instance *, struct scsi_pkt *,
1701 		    struct buf *, int, int (*)());
1702 static int	mrsas_dma_move(struct mrsas_instance *,
1703 			struct scsi_pkt *, struct buf *);
1704 static void	flush_cache(struct mrsas_instance *instance);
1705 static void	display_scsi_inquiry(caddr_t);
1706 static int	start_mfi_aen(struct mrsas_instance *instance);
1707 static int	handle_drv_ioctl(struct mrsas_instance *instance,
1708 		    struct mrsas_ioctl *ioctl, int mode);
1709 static int	handle_mfi_ioctl(struct mrsas_instance *instance,
1710 		    struct mrsas_ioctl *ioctl, int mode);
1711 static int	handle_mfi_aen(struct mrsas_instance *instance,
1712 		    struct mrsas_aen *aen);
1713 static void	fill_up_drv_ver(struct mrsas_drv_ver *dv);
1714 static struct mrsas_cmd *build_cmd(struct mrsas_instance *instance,
1715 		    struct scsi_address *ap, struct scsi_pkt *pkt,
1716 		    uchar_t *cmd_done);
1717 static int	register_mfi_aen(struct mrsas_instance *instance,
1718 		    uint32_t seq_num, uint32_t class_locale_word);
1719 static int	issue_mfi_pthru(struct mrsas_instance *instance, struct
1720 		    mrsas_ioctl *ioctl, struct mrsas_cmd *cmd, int mode);
1721 static int	issue_mfi_dcmd(struct mrsas_instance *instance, struct
1722 		    mrsas_ioctl *ioctl, struct mrsas_cmd *cmd, int mode);
1723 static int	issue_mfi_smp(struct mrsas_instance *instance, struct
1724 		    mrsas_ioctl *ioctl, struct mrsas_cmd *cmd, int mode);
1725 static int	issue_mfi_stp(struct mrsas_instance *instance, struct
1726 		    mrsas_ioctl *ioctl, struct mrsas_cmd *cmd, int mode);
1727 static int	abort_aen_cmd(struct mrsas_instance *instance,
1728 		    struct mrsas_cmd *cmd_to_abort);
1729 
1730 static int	mrsas_common_check(struct mrsas_instance *instance,
1731 		    struct  mrsas_cmd *cmd);
1732 static void	mrsas_fm_init(struct mrsas_instance *instance);
1733 static void	mrsas_fm_fini(struct mrsas_instance *instance);
1734 static int	mrsas_fm_error_cb(dev_info_t *, ddi_fm_error_t *,
1735 		    const void *);
1736 static void	mrsas_fm_ereport(struct mrsas_instance *instance,
1737 		    char *detail);
1738 static int	mrsas_check_dma_handle(ddi_dma_handle_t handle);
1739 static int	mrsas_check_acc_handle(ddi_acc_handle_t handle);
1740 
1741 static void	mrsas_rem_intrs(struct mrsas_instance *instance);
1742 static int	mrsas_add_intrs(struct mrsas_instance *instance, int intr_type);
1743 
1744 static void	mrsas_tran_tgt_free(dev_info_t *, dev_info_t *,
1745 		    scsi_hba_tran_t *, struct scsi_device *);
1746 static int	mrsas_tran_bus_config(dev_info_t *, uint_t,
1747 		    ddi_bus_config_op_t, void *, dev_info_t **);
1748 static int	mrsas_parse_devname(char *, int *, int *);
1749 static int	mrsas_config_all_devices(struct mrsas_instance *);
1750 static int 	mrsas_config_scsi_device(struct mrsas_instance *,
1751 		    struct scsi_device *, dev_info_t **);
1752 static int 	mrsas_config_ld(struct mrsas_instance *, uint16_t,
1753 				uint8_t, dev_info_t **);
1754 static dev_info_t *mrsas_find_child(struct mrsas_instance *, uint16_t,
1755 			uint8_t);
1756 static int	mrsas_name_node(dev_info_t *, char *, int);
1757 static void	mrsas_issue_evt_taskq(struct mrsas_eventinfo *);
1758 static int	mrsas_service_evt(struct mrsas_instance *, int, int, int,
1759 			uint64_t);
1760 static int	mrsas_mode_sense_build(struct scsi_pkt *);
1761 #endif	/* KMDB_MODULE */
1762 
1763 #ifdef	__cplusplus
1764 }
1765 #endif
1766 
1767 #endif /* _MR_SAS_H_ */
1768