xref: /freebsd/sys/dev/mfi/mfireg.h (revision 2a664c03e55254b0f3b32dcdfc78179c0a57a8d2)
1 /*-
2  * Copyright (c) 2006 IronPort Systems
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 /*-
27  * Copyright (c) 2007 LSI Corp.
28  * Copyright (c) 2007 Rajesh Prabhakaran.
29  * All rights reserved.
30  *
31  * Redistribution and use in source and binary forms, with or without
32  * modification, are permitted provided that the following conditions
33  * are met:
34  * 1. Redistributions of source code must retain the above copyright
35  *    notice, this list of conditions and the following disclaimer.
36  * 2. Redistributions in binary form must reproduce the above copyright
37  *    notice, this list of conditions and the following disclaimer in the
38  *    documentation and/or other materials provided with the distribution.
39  *
40  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
41  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50  * SUCH DAMAGE.
51  */
52 
53 #ifndef _MFIREG_H
54 #define _MFIREG_H
55 
56 #include <sys/cdefs.h>
57 __FBSDID("$FreeBSD$");
58 
59 /*
60  * MegaRAID SAS MFI firmware definitions
61  *
62  * Calling this driver 'MegaRAID SAS' is a bit misleading.  It's a completely
63  * new firmware interface from the old AMI MegaRAID one, and there is no
64  * reason why this interface should be limited to just SAS.  In any case, LSI
65  * seems to also call this interface 'MFI', so that will be used here.
66  */
67 #define MEGAMFI_FRAME_SIZE              64
68 /*
69  * Start with the register set.  All registers are 32 bits wide.
70  * The usual Intel IOP style setup.
71  */
72 #define MFI_IMSG0	0x10	/* Inbound message 0 */
73 #define MFI_IMSG1	0x14	/* Inbound message 1 */
74 #define MFI_OMSG0	0x18	/* Outbound message 0 */
75 #define MFI_OMSG1	0x1c	/* Outbound message 1 */
76 #define MFI_IDB		0x20	/* Inbound doorbell */
77 #define MFI_ISTS	0x24	/* Inbound interrupt status */
78 #define MFI_IMSK	0x28	/* Inbound interrupt mask */
79 #define MFI_ODB		0x2c	/* Outbound doorbell */
80 #define MFI_OSTS	0x30	/* Outbound interrupt status */
81 #define MFI_OMSK	0x34	/* Outbound interrupt mask */
82 #define MFI_IQP		0x40	/* Inbound queue port */
83 #define MFI_OQP		0x44	/* Outbound queue port */
84 
85 /*
86 *  ThunderBolt specific Register
87 */
88 
89 #define MFI_RPI		0x6c 		/* reply_post_host_index */
90 #define MFI_ILQP 	0xc0		/* inbound_low_queue_port */
91 #define MFI_IHQP 	0xc4		/* inbound_high_queue_port */
92 
93 /*
94  * 1078 specific related register
95  */
96 #define MFI_ODR0	0x9c 		/* outbound doorbell register0 */
97 #define MFI_ODCR0	0xa0 		/* outbound doorbell clear register0  */
98 #define MFI_OSP0	0xb0 		/* outbound scratch pad0  */
99 #define MFI_1078_EIM	0x80000004 	/* 1078 enable intrrupt mask  */
100 #define MFI_RMI		0x2 		/* reply message interrupt  */
101 #define MFI_1078_RM	0x80000000 	/* reply 1078 message interrupt  */
102 #define MFI_ODC		0x4 		/* outbound doorbell change interrupt */
103 
104 /* OCR registers */
105 #define MFI_WSR		0x004		/* write sequence register */
106 #define MFI_HDR		0x008		/* host diagnostic register */
107 #define MFI_RSR		0x3c3		/* Reset Status Register */
108 
109 /*
110  * GEN2 specific changes
111  */
112 #define MFI_GEN2_EIM	0x00000005	/* GEN2 enable interrupt mask */
113 #define MFI_GEN2_RM	0x00000001	/* reply GEN2 message interrupt */
114 
115 /*
116  * skinny specific changes
117  */
118 #define MFI_SKINNY_IDB	0x00	/* Inbound doorbell is at 0x00 for skinny */
119 #define MFI_IQPL	0x000000c0
120 #define MFI_IQPH	0x000000c4
121 #define MFI_SKINNY_RM	0x00000001	/* reply skinny message interrupt */
122 
123 /* Bits for MFI_OSTS */
124 #define MFI_OSTS_INTR_VALID	0x00000002
125 
126 /* OCR specific flags */
127 #define MFI_FIRMWARE_STATE_CHANGE	0x00000002
128 #define MFI_STATE_CHANGE_INTERRUPT	0x00000004  /* MFI state change interrrupt */
129 
130 /*
131  * Firmware state values.  Found in OMSG0 during initialization.
132  */
133 #define MFI_FWSTATE_MASK		0xf0000000
134 #define MFI_FWSTATE_UNDEFINED		0x00000000
135 #define MFI_FWSTATE_BB_INIT		0x10000000
136 #define MFI_FWSTATE_FW_INIT		0x40000000
137 #define MFI_FWSTATE_WAIT_HANDSHAKE	0x60000000
138 #define MFI_FWSTATE_FW_INIT_2		0x70000000
139 #define MFI_FWSTATE_DEVICE_SCAN		0x80000000
140 #define MFI_FWSTATE_BOOT_MESSAGE_PENDING	0x90000000
141 #define MFI_FWSTATE_FLUSH_CACHE		0xa0000000
142 #define MFI_FWSTATE_READY		0xb0000000
143 #define MFI_FWSTATE_OPERATIONAL		0xc0000000
144 #define MFI_FWSTATE_FAULT		0xf0000000
145 #define MFI_FWSTATE_MAXSGL_MASK		0x00ff0000
146 #define MFI_FWSTATE_MAXCMD_MASK		0x0000ffff
147 #define MFI_FWSTATE_HOSTMEMREQD_MASK	0x08000000
148 #define MFI_FWSTATE_BOOT_MESSAGE_PENDING	0x90000000
149 #define MFI_RESET_REQUIRED		0x00000001
150 
151 /* ThunderBolt Support */
152 #define MFI_FWSTATE_TB_MASK		0xf0000000
153 #define MFI_FWSTATE_TB_RESET		0x00000000
154 #define MFI_FWSTATE_TB_READY		0x10000000
155 #define MFI_FWSTATE_TB_OPERATIONAL	0x20000000
156 #define MFI_FWSTATE_TB_FAULT		0x40000000
157 
158 /*
159  * Control bits to drive the card to ready state.  These go into the IDB
160  * register.
161  */
162 #define MFI_FWINIT_ABORT	0x00000000 /* Abort all pending commands */
163 #define MFI_FWINIT_READY	0x00000002 /* Move from operational to ready */
164 #define MFI_FWINIT_MFIMODE	0x00000004 /* unknown */
165 #define MFI_FWINIT_CLEAR_HANDSHAKE 0x00000008 /* Respond to WAIT_HANDSHAKE */
166 #define MFI_FWINIT_HOTPLUG	0x00000010
167 
168 /* ADP reset flags */
169 #define MFI_STOP_ADP		0x00000020
170 #define MFI_ADP_RESET		0x00000040
171 #define DIAG_WRITE_ENABLE	0x00000080
172 #define DIAG_RESET_ADAPTER	0x00000004
173 
174 /* MFI Commands */
175 typedef enum {
176 	MFI_CMD_INIT =		0x00,
177 	MFI_CMD_LD_READ,
178 	MFI_CMD_LD_WRITE,
179 	MFI_CMD_LD_SCSI_IO,
180 	MFI_CMD_PD_SCSI_IO,
181 	MFI_CMD_DCMD,
182 	MFI_CMD_ABORT,
183 	MFI_CMD_SMP,
184 	MFI_CMD_STP
185 } mfi_cmd_t;
186 
187 /* Direct commands */
188 typedef enum {
189 	MFI_DCMD_CTRL_GETINFO =		0x01010000,
190 	MFI_DCMD_CTRL_MFI_HOST_MEM_ALLOC =0x0100e100,
191 	MFI_DCMD_CTRL_MFC_DEFAULTS_GET =0x010e0201,
192 	MFI_DCMD_CTRL_MFC_DEFAULTS_SET =0x010e0202,
193 	MFI_DCMD_CTRL_FLUSHCACHE =	0x01101000,
194 	MFI_DCMD_CTRL_SHUTDOWN =	0x01050000,
195 	MFI_DCMD_CTRL_EVENT_GETINFO =	0x01040100,
196 	MFI_DCMD_CTRL_EVENT_GET =	0x01040300,
197 	MFI_DCMD_CTRL_EVENT_WAIT =	0x01040500,
198 	MFI_DCMD_PR_GET_STATUS =	0x01070100,
199 	MFI_DCMD_PR_GET_PROPERTIES =	0x01070200,
200 	MFI_DCMD_PR_SET_PROPERTIES =	0x01070300,
201 	MFI_DCMD_PR_START =		0x01070400,
202 	MFI_DCMD_PR_STOP =		0x01070500,
203 	MFI_DCMD_TIME_SECS_GET =	0x01080201,
204 	MFI_DCMD_FLASH_FW_OPEN =	0x010f0100,
205 	MFI_DCMD_FLASH_FW_DOWNLOAD =	0x010f0200,
206 	MFI_DCMD_FLASH_FW_FLASH =	0x010f0300,
207 	MFI_DCMD_FLASH_FW_CLOSE =	0x010f0400,
208 	MFI_DCMD_PD_GET_LIST =		0x02010000,
209 	MFI_DCMD_PD_LIST_QUERY =	0x02010100,
210 	MFI_DCMD_PD_GET_INFO = 		0x02020000,
211 	MFI_DCMD_PD_STATE_SET =		0x02030100,
212 	MFI_DCMD_PD_REBUILD_START =	0x02040100,
213 	MFI_DCMD_PD_REBUILD_ABORT =	0x02040200,
214 	MFI_DCMD_PD_CLEAR_START =	0x02050100,
215 	MFI_DCMD_PD_CLEAR_ABORT =	0x02050200,
216 	MFI_DCMD_PD_GET_PROGRESS =	0x02060000,
217 	MFI_DCMD_PD_LOCATE_START =	0x02070100,
218 	MFI_DCMD_PD_LOCATE_STOP =	0x02070200,
219 	MFI_DCMD_LD_MAP_GET_INFO =	0x0300e101,
220 	MFI_DCMD_LD_SYNC =		0x0300e102,
221 	MFI_DCMD_LD_GET_LIST =		0x03010000,
222 	MFI_DCMD_LD_GET_INFO =		0x03020000,
223 	MFI_DCMD_LD_GET_PROP =		0x03030000,
224 	MFI_DCMD_LD_SET_PROP =		0x03040000,
225 	MFI_DCMD_LD_INIT_START =	0x03060100,
226 	MFI_DCMD_LD_DELETE =		0x03090000,
227 	MFI_DCMD_CFG_READ =		0x04010000,
228 	MFI_DCMD_CFG_ADD =		0x04020000,
229 	MFI_DCMD_CFG_CLEAR =		0x04030000,
230 	MFI_DCMD_CFG_MAKE_SPARE =	0x04040000,
231 	MFI_DCMD_CFG_REMOVE_SPARE =	0x04050000,
232 	MFI_DCMD_CFG_FOREIGN_IMPORT =	0x04060400,
233 	MFI_DCMD_BBU_GET_STATUS =	0x05010000,
234 	MFI_DCMD_BBU_GET_CAPACITY_INFO =0x05020000,
235 	MFI_DCMD_BBU_GET_DESIGN_INFO =	0x05030000,
236 	MFI_DCMD_CLUSTER =		0x08000000,
237 	MFI_DCMD_CLUSTER_RESET_ALL =	0x08010100,
238 	MFI_DCMD_CLUSTER_RESET_LD =	0x08010200
239 } mfi_dcmd_t;
240 
241 /* Modifiers for MFI_DCMD_CTRL_FLUSHCACHE */
242 #define MFI_FLUSHCACHE_CTRL	0x01
243 #define MFI_FLUSHCACHE_DISK	0x02
244 
245 /* Modifiers for MFI_DCMD_CTRL_SHUTDOWN */
246 #define MFI_SHUTDOWN_SPINDOWN	0x01
247 
248 /*
249  * MFI Frame flags
250  */
251 #define MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
252 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
253 #define MFI_FRAME_SGL32				0x0000
254 #define MFI_FRAME_SGL64				0x0002
255 #define MFI_FRAME_SENSE32			0x0000
256 #define MFI_FRAME_SENSE64			0x0004
257 #define MFI_FRAME_DIR_NONE			0x0000
258 #define MFI_FRAME_DIR_WRITE			0x0008
259 #define MFI_FRAME_DIR_READ			0x0010
260 #define MFI_FRAME_DIR_BOTH			0x0018
261 #define MFI_FRAME_IEEE_SGL			0x0020
262 
263 /* ThunderBolt Specific */
264 
265 /*
266  * Pre-TB command size and TB command size.
267  * We will be checking it at the load time for the time being
268  */
269 #define MR_COMMAND_SIZE (MFI_FRAME_SIZE*20) /* 1280 bytes */
270 
271 #define MEGASAS_THUNDERBOLT_MSG_ALLIGNMENT  256
272 /*
273  * We are defining only 128 byte message to reduce memory move over head
274  * and also it will reduce the SRB extension size by 128byte compared with
275  * 256 message size
276  */
277 #define MEGASAS_THUNDERBOLT_NEW_MSG_SIZE	256
278 #define MEGASAS_THUNDERBOLT_MAX_COMMANDS	1024
279 #define MEGASAS_THUNDERBOLT_MAX_REPLY_COUNT	1024
280 #define MEGASAS_THUNDERBOLT_REPLY_SIZE		8
281 #define MEGASAS_THUNDERBOLT_MAX_CHAIN_COUNT	1
282 #define MEGASAS_MAX_SZ_CHAIN_FRAME		1024
283 
284 #define MPI2_FUNCTION_PASSTHRU_IO_REQUEST       0xF0
285 #define MPI2_FUNCTION_LD_IO_REQUEST             0xF1
286 
287 #define MR_INTERNAL_MFI_FRAMES_SMID             1
288 #define MR_CTRL_EVENT_WAIT_SMID                 2
289 #define MR_INTERNAL_DRIVER_RESET_SMID           3
290 
291 
292 /* MFI Status codes */
293 typedef enum {
294 	MFI_STAT_OK =			0x00,
295 	MFI_STAT_INVALID_CMD,
296 	MFI_STAT_INVALID_DCMD,
297 	MFI_STAT_INVALID_PARAMETER,
298 	MFI_STAT_INVALID_SEQUENCE_NUMBER,
299 	MFI_STAT_ABORT_NOT_POSSIBLE,
300 	MFI_STAT_APP_HOST_CODE_NOT_FOUND,
301 	MFI_STAT_APP_IN_USE,
302 	MFI_STAT_APP_NOT_INITIALIZED,
303 	MFI_STAT_ARRAY_INDEX_INVALID,
304 	MFI_STAT_ARRAY_ROW_NOT_EMPTY,
305 	MFI_STAT_CONFIG_RESOURCE_CONFLICT,
306 	MFI_STAT_DEVICE_NOT_FOUND,
307 	MFI_STAT_DRIVE_TOO_SMALL,
308 	MFI_STAT_FLASH_ALLOC_FAIL,
309 	MFI_STAT_FLASH_BUSY,
310 	MFI_STAT_FLASH_ERROR =		0x10,
311 	MFI_STAT_FLASH_IMAGE_BAD,
312 	MFI_STAT_FLASH_IMAGE_INCOMPLETE,
313 	MFI_STAT_FLASH_NOT_OPEN,
314 	MFI_STAT_FLASH_NOT_STARTED,
315 	MFI_STAT_FLUSH_FAILED,
316 	MFI_STAT_HOST_CODE_NOT_FOUNT,
317 	MFI_STAT_LD_CC_IN_PROGRESS,
318 	MFI_STAT_LD_INIT_IN_PROGRESS,
319 	MFI_STAT_LD_LBA_OUT_OF_RANGE,
320 	MFI_STAT_LD_MAX_CONFIGURED,
321 	MFI_STAT_LD_NOT_OPTIMAL,
322 	MFI_STAT_LD_RBLD_IN_PROGRESS,
323 	MFI_STAT_LD_RECON_IN_PROGRESS,
324 	MFI_STAT_LD_WRONG_RAID_LEVEL,
325 	MFI_STAT_MAX_SPARES_EXCEEDED,
326 	MFI_STAT_MEMORY_NOT_AVAILABLE =	0x20,
327 	MFI_STAT_MFC_HW_ERROR,
328 	MFI_STAT_NO_HW_PRESENT,
329 	MFI_STAT_NOT_FOUND,
330 	MFI_STAT_NOT_IN_ENCL,
331 	MFI_STAT_PD_CLEAR_IN_PROGRESS,
332 	MFI_STAT_PD_TYPE_WRONG,
333 	MFI_STAT_PR_DISABLED,
334 	MFI_STAT_ROW_INDEX_INVALID,
335 	MFI_STAT_SAS_CONFIG_INVALID_ACTION,
336 	MFI_STAT_SAS_CONFIG_INVALID_DATA,
337 	MFI_STAT_SAS_CONFIG_INVALID_PAGE,
338 	MFI_STAT_SAS_CONFIG_INVALID_TYPE,
339 	MFI_STAT_SCSI_DONE_WITH_ERROR,
340 	MFI_STAT_SCSI_IO_FAILED,
341 	MFI_STAT_SCSI_RESERVATION_CONFLICT,
342 	MFI_STAT_SHUTDOWN_FAILED =	0x30,
343 	MFI_STAT_TIME_NOT_SET,
344 	MFI_STAT_WRONG_STATE,
345 	MFI_STAT_LD_OFFLINE,
346 	MFI_STAT_PEER_NOTIFICATION_REJECTED,
347 	MFI_STAT_PEER_NOTIFICATION_FAILED,
348 	MFI_STAT_RESERVATION_IN_PROGRESS,
349 	MFI_STAT_I2C_ERRORS_DETECTED,
350 	MFI_STAT_PCI_ERRORS_DETECTED,
351 	MFI_STAT_DIAG_FAILED,
352 	MFI_STAT_BOOT_MSG_PENDING,
353 	MFI_STAT_FOREIGN_CONFIG_INCOMPLETE,
354 	MFI_STAT_INVALID_STATUS =	0xFF
355 } mfi_status_t;
356 
357 typedef enum {
358 	MFI_EVT_CLASS_DEBUG =		-2,
359 	MFI_EVT_CLASS_PROGRESS =	-1,
360 	MFI_EVT_CLASS_INFO =		0,
361 	MFI_EVT_CLASS_WARNING =		1,
362 	MFI_EVT_CLASS_CRITICAL =	2,
363 	MFI_EVT_CLASS_FATAL =		3,
364 	MFI_EVT_CLASS_DEAD =		4
365 } mfi_evt_class_t;
366 
367 typedef enum {
368 	MFI_EVT_LOCALE_LD =		0x0001,
369 	MFI_EVT_LOCALE_PD =		0x0002,
370 	MFI_EVT_LOCALE_ENCL =		0x0004,
371 	MFI_EVT_LOCALE_BBU =		0x0008,
372 	MFI_EVT_LOCALE_SAS =		0x0010,
373 	MFI_EVT_LOCALE_CTRL =		0x0020,
374 	MFI_EVT_LOCALE_CONFIG =		0x0040,
375 	MFI_EVT_LOCALE_CLUSTER =	0x0080,
376 	MFI_EVT_LOCALE_ALL =		0xffff
377 } mfi_evt_locale_t;
378 
379 typedef enum {
380 	MR_EVT_ARGS_NONE =		0x00,
381 	MR_EVT_ARGS_CDB_SENSE,
382 	MR_EVT_ARGS_LD,
383 	MR_EVT_ARGS_LD_COUNT,
384 	MR_EVT_ARGS_LD_LBA,
385 	MR_EVT_ARGS_LD_OWNER,
386 	MR_EVT_ARGS_LD_LBA_PD_LBA,
387 	MR_EVT_ARGS_LD_PROG,
388 	MR_EVT_ARGS_LD_STATE,
389 	MR_EVT_ARGS_LD_STRIP,
390 	MR_EVT_ARGS_PD,
391 	MR_EVT_ARGS_PD_ERR,
392 	MR_EVT_ARGS_PD_LBA,
393 	MR_EVT_ARGS_PD_LBA_LD,
394 	MR_EVT_ARGS_PD_PROG,
395 	MR_EVT_ARGS_PD_STATE,
396 	MR_EVT_ARGS_PCI,
397 	MR_EVT_ARGS_RATE,
398 	MR_EVT_ARGS_STR,
399 	MR_EVT_ARGS_TIME,
400 	MR_EVT_ARGS_ECC
401 } mfi_evt_args;
402 
403 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED	0x0152
404 #define MR_EVT_PD_REMOVED			0x0070
405 #define MR_EVT_PD_INSERTED			0x005b
406 #define MR_EVT_LD_CHANGE			0x0051
407 
408 typedef enum {
409 	MR_LD_CACHE_WRITE_BACK =	0x01,
410 	MR_LD_CACHE_WRITE_ADAPTIVE =	0x02,
411 	MR_LD_CACHE_READ_AHEAD =	0x04,
412 	MR_LD_CACHE_READ_ADAPTIVE =	0x08,
413 	MR_LD_CACHE_WRITE_CACHE_BAD_BBU=0x10,
414 	MR_LD_CACHE_ALLOW_WRITE_CACHE =	0x20,
415 	MR_LD_CACHE_ALLOW_READ_CACHE =	0x40
416 } mfi_ld_cache;
417 #define	MR_LD_CACHE_MASK	0x7f
418 
419 #define	MR_LD_CACHE_POLICY_READ_AHEAD_NONE		0
420 #define	MR_LD_CACHE_POLICY_READ_AHEAD_ALWAYS		MR_LD_CACHE_READ_AHEAD
421 #define	MR_LD_CACHE_POLICY_READ_AHEAD_ADAPTIVE		\
422 	(MR_LD_CACHE_READ_AHEAD | MR_LD_CACHE_READ_ADAPTIVE)
423 #define	MR_LD_CACHE_POLICY_WRITE_THROUGH		0
424 #define	MR_LD_CACHE_POLICY_WRITE_BACK			MR_LD_CACHE_WRITE_BACK
425 #define	MR_LD_CACHE_POLICY_IO_CACHED			\
426 	(MR_LD_CACHE_ALLOW_WRITE_CACHE | MR_LD_CACHE_ALLOW_READ_CACHE)
427 #define	MR_LD_CACHE_POLICY_IO_DIRECT			0
428 
429 typedef enum {
430 	MR_PD_CACHE_UNCHANGED  =	0,
431 	MR_PD_CACHE_ENABLE =		1,
432 	MR_PD_CACHE_DISABLE =		2
433 } mfi_pd_cache;
434 
435 typedef enum {
436 	MR_PD_QUERY_TYPE_ALL =		0,
437 	MR_PD_QUERY_TYPE_STATE =	1,
438 	MR_PD_QUERY_TYPE_POWER_STATE =	2,
439 	MR_PD_QUERY_TYPE_MEDIA_TYPE =	3,
440 	MR_PD_QUERY_TYPE_SPEED =	4,
441 	MR_PD_QUERY_TYPE_EXPOSED_TO_HOST = 5 /*query for system drives */
442 } mfi_pd_query_type;
443 
444 /*
445  * Other propertities and definitions
446  */
447 #define MFI_MAX_PD_CHANNELS	2
448 #define MFI_MAX_LD_CHANNELS	2
449 #define MFI_MAX_CHANNELS	(MFI_MAX_PD_CHANNELS + MFI_MAX_LD_CHANNELS)
450 #define MFI_MAX_CHANNEL_DEVS	128
451 #define MFI_DEFAULT_ID		-1
452 #define MFI_MAX_LUN		8
453 #define MFI_MAX_LD		64
454 #define	MFI_MAX_PD		256
455 
456 #define MFI_FRAME_SIZE		64
457 #define MFI_MBOX_SIZE		12
458 
459 /* Firmware flashing can take 40s */
460 #define MFI_POLL_TIMEOUT_SECS	50
461 
462 /* Allow for speedier math calculations */
463 #define MFI_SECTOR_LEN		512
464 
465 /* Scatter Gather elements */
466 struct mfi_sg32 {
467 	uint32_t	addr;
468 	uint32_t	len;
469 } __packed;
470 
471 struct mfi_sg64 {
472 	uint64_t	addr;
473 	uint32_t	len;
474 } __packed;
475 
476 struct mfi_sg_skinny {
477 	uint64_t	addr;
478 	uint32_t	len;
479 	uint32_t	flag;
480 } __packed;
481 
482 union mfi_sgl {
483 	struct mfi_sg32		sg32[1];
484 	struct mfi_sg64		sg64[1];
485 	struct mfi_sg_skinny	sg_skinny[1];
486 } __packed;
487 
488 /* Message frames.  All messages have a common header */
489 struct mfi_frame_header {
490 	uint8_t		cmd;
491 	uint8_t		sense_len;
492 	uint8_t		cmd_status;
493 	uint8_t		scsi_status;
494 	uint8_t		target_id;
495 	uint8_t		lun_id;
496 	uint8_t		cdb_len;
497 	uint8_t		sg_count;
498 	uint32_t	context;
499 	/*
500 	 * pad0 is MSI Specific. Not used by Driver. Zero the value before
501 	 * sending the command to f/w.
502 	 */
503 	uint32_t	pad0;
504 	uint16_t	flags;
505 #define MFI_FRAME_DATAOUT	0x08
506 #define MFI_FRAME_DATAIN	0x10
507 	uint16_t	timeout;
508 	uint32_t	data_len;
509 } __packed;
510 
511 struct mfi_init_frame {
512 	struct mfi_frame_header	header;
513 	uint32_t	qinfo_new_addr_lo;
514 	uint32_t	qinfo_new_addr_hi;
515 	uint32_t	qinfo_old_addr_lo;
516 	uint32_t	qinfo_old_addr_hi;
517 	// Start LSIP200113393
518 	uint32_t	driver_ver_lo;      /*28h */
519 	uint32_t	driver_ver_hi;      /*2Ch */
520 
521 	uint32_t	reserved[4];
522 	// End LSIP200113393
523 } __packed;
524 
525 /*
526  * Define MFI Address Context union.
527  */
528 #ifdef MFI_ADDRESS_IS_uint64_t
529     typedef uint64_t     MFI_ADDRESS;
530 #else
531     typedef union _MFI_ADDRESS {
532         struct {
533             uint32_t     addressLow;
534             uint32_t     addressHigh;
535         } u;
536         uint64_t     address;
537     } MFI_ADDRESS, *PMFI_ADDRESS;
538 #endif
539 
540 #define MFI_IO_FRAME_SIZE 40
541 struct mfi_io_frame {
542 	struct mfi_frame_header	header;
543 	uint32_t	sense_addr_lo;
544 	uint32_t	sense_addr_hi;
545 	uint32_t	lba_lo;
546 	uint32_t	lba_hi;
547 	union mfi_sgl	sgl;
548 } __packed;
549 
550 #define MFI_PASS_FRAME_SIZE 48
551 struct mfi_pass_frame {
552 	struct mfi_frame_header header;
553 	uint32_t	sense_addr_lo;
554 	uint32_t	sense_addr_hi;
555 	uint8_t		cdb[16];
556 	union mfi_sgl	sgl;
557 } __packed;
558 
559 #define MFI_DCMD_FRAME_SIZE 40
560 struct mfi_dcmd_frame {
561 	struct mfi_frame_header header;
562 	uint32_t	opcode;
563 	uint8_t		mbox[MFI_MBOX_SIZE];
564 	union mfi_sgl	sgl;
565 } __packed;
566 
567 struct mfi_abort_frame {
568 	struct mfi_frame_header header;
569 	uint32_t	abort_context;
570 	/* pad is changed to reserved.*/
571 	uint32_t	reserved0;
572 	uint32_t	abort_mfi_addr_lo;
573 	uint32_t	abort_mfi_addr_hi;
574 	uint32_t	reserved1[6];
575 } __packed;
576 
577 struct mfi_smp_frame {
578 	struct mfi_frame_header header;
579 	uint64_t	sas_addr;
580 	union {
581 		struct mfi_sg32 sg32[2];
582 		struct mfi_sg64 sg64[2];
583 	} sgl;
584 } __packed;
585 
586 struct mfi_stp_frame {
587 	struct mfi_frame_header header;
588 	uint16_t	fis[10];
589 	uint32_t	stp_flags;
590 	union {
591 		struct mfi_sg32 sg32[2];
592 		struct mfi_sg64 sg64[2];
593 	} sgl;
594 } __packed;
595 
596 union mfi_frame {
597 	struct mfi_frame_header header;
598 	struct mfi_init_frame	init;
599 	/* ThunderBolt Initialization */
600 	struct mfi_io_frame	io;
601 	struct mfi_pass_frame	pass;
602 	struct mfi_dcmd_frame	dcmd;
603 	struct mfi_abort_frame	abort;
604 	struct mfi_smp_frame	smp;
605 	struct mfi_stp_frame	stp;
606 	uint8_t			bytes[MFI_FRAME_SIZE];
607 };
608 
609 #define MFI_SENSE_LEN 128
610 struct mfi_sense {
611 	uint8_t		data[MFI_SENSE_LEN];
612 };
613 
614 /* The queue init structure that is passed with the init message */
615 struct mfi_init_qinfo {
616 	uint32_t	flags;
617 	uint32_t	rq_entries;
618 	uint32_t	rq_addr_lo;
619 	uint32_t	rq_addr_hi;
620 	uint32_t	pi_addr_lo;
621 	uint32_t	pi_addr_hi;
622 	uint32_t	ci_addr_lo;
623 	uint32_t	ci_addr_hi;
624 } __packed;
625 
626 /* SAS (?) controller properties, part of mfi_ctrl_info */
627 struct mfi_ctrl_props {
628 	uint16_t	seq_num;
629 	uint16_t	pred_fail_poll_interval;
630 	uint16_t	intr_throttle_cnt;
631 	uint16_t	intr_throttle_timeout;
632 	uint8_t		rebuild_rate;
633 	uint8_t		patrol_read_rate;
634 	uint8_t		bgi_rate;
635 	uint8_t		cc_rate;
636 	uint8_t		recon_rate;
637 	uint8_t		cache_flush_interval;
638 	uint8_t		spinup_drv_cnt;
639 	uint8_t		spinup_delay;
640 	uint8_t		cluster_enable;
641 	uint8_t		coercion_mode;
642 	uint8_t		alarm_enable;
643 	uint8_t		disable_auto_rebuild;
644 	uint8_t		disable_battery_warn;
645 	uint8_t		ecc_bucket_size;
646 	uint16_t	ecc_bucket_leak_rate;
647 	uint8_t		restore_hotspare_on_insertion;
648 	uint8_t		expose_encl_devices;
649 	uint8_t		maintainPdFailHistory;
650 	uint8_t		disallowHostRequestReordering;
651 	/* set TRUE to abort CC on detecting an inconsistency */
652 	uint8_t		abortCCOnError;
653 	/* load balance mode (MR_LOAD_BALANCE_MODE) */
654 	uint8_t		loadBalanceMode;
655 	/*
656 	 * 0 - use auto detect logic of backplanes like SGPIO, i2c SEP using
657 	 *     h/w mechansim like GPIO pins
658 	 * 1 - disable auto detect SGPIO,
659 	 * 2 - disable i2c SEP auto detect
660 	 * 3 - disable both auto detect
661 	 */
662 	uint8_t		disableAutoDetectBackplane;
663 	/*
664 	 * % of source LD to be reserved for a VDs snapshot in snapshot
665 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on
666 	 */
667 	uint8_t		snapVDSpace;
668 
669 	/*
670 	 * Add properties that can be controlled by a bit in the following
671 	 * structure.
672 	 */
673 	struct {
674 		/* set TRUE to disable copyBack (0=copback enabled) */
675 		uint32_t	copyBackDisabled		:1;
676 		uint32_t	SMARTerEnabled			:1;
677 		uint32_t	prCorrectUnconfiguredAreas	:1;
678 		uint32_t	useFdeOnly			:1;
679 		uint32_t	disableNCQ			:1;
680 		uint32_t	SSDSMARTerEnabled		:1;
681 		uint32_t	SSDPatrolReadEnabled		:1;
682 		uint32_t	enableSpinDownUnconfigured	:1;
683 		uint32_t	autoEnhancedImport		:1;
684 		uint32_t	enableSecretKeyControl		:1;
685 		uint32_t	disableOnlineCtrlReset		:1;
686 		uint32_t	allowBootWithPinnedCache	:1;
687 		uint32_t	disableSpinDownHS		:1;
688 		uint32_t	enableJBOD			:1;
689 		uint32_t	reserved			:18;
690 	} OnOffProperties;
691 	/*
692 	 * % of source LD to be reserved for auto snapshot in snapshot
693 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on.
694 	 */
695 	uint8_t		autoSnapVDSpace;
696 	/*
697 	 * Snapshot writeable VIEWs capacity as a % of source LD capacity:
698 	 * 0=READ only, 1=5%, 2=10%, 3=15% and so on.
699 	 */
700 	uint8_t		viewSpace;
701 	/* # of idle minutes before device is spun down (0=use FW defaults) */
702 	uint16_t	spinDownTime;
703 	uint8_t		reserved[24];
704 } __packed;
705 
706 /* PCI information about the card. */
707 struct mfi_info_pci {
708 	uint16_t	vendor;
709 	uint16_t	device;
710 	uint16_t	subvendor;
711 	uint16_t	subdevice;
712 	uint8_t		reserved[24];
713 } __packed;
714 
715 /* Host (front end) interface information */
716 struct mfi_info_host {
717 	uint8_t		type;
718 #define MFI_INFO_HOST_PCIX	0x01
719 #define MFI_INFO_HOST_PCIE	0x02
720 #define MFI_INFO_HOST_ISCSI	0x04
721 #define MFI_INFO_HOST_SAS3G	0x08
722 	uint8_t		reserved[6];
723 	uint8_t		port_count;
724 	uint64_t	port_addr[8];
725 } __packed;
726 
727 /* Device (back end) interface information */
728 struct mfi_info_device {
729 	uint8_t		type;
730 #define MFI_INFO_DEV_SPI	0x01
731 #define MFI_INFO_DEV_SAS3G	0x02
732 #define MFI_INFO_DEV_SATA1	0x04
733 #define MFI_INFO_DEV_SATA3G	0x08
734 	uint8_t		reserved[6];
735 	uint8_t		port_count;
736 	uint64_t	port_addr[8];
737 } __packed;
738 
739 /* Firmware component information */
740 struct mfi_info_component {
741 	char		 name[8];
742 	char		 version[32];
743 	char		 build_date[16];
744 	char		 build_time[16];
745 } __packed;
746 
747 /* Controller default settings */
748 struct mfi_defaults {
749 	uint64_t	sas_addr;
750 	uint8_t		phy_polarity;
751 	uint8_t		background_rate;
752 	uint8_t		stripe_size;
753 	uint8_t		flush_time;
754 	uint8_t		write_back;
755 	uint8_t		read_ahead;
756 	uint8_t		cache_when_bbu_bad;
757 	uint8_t		cached_io;
758 	uint8_t		smart_mode;
759 	uint8_t		alarm_disable;
760 	uint8_t		coercion;
761 	uint8_t		zrc_config;
762 	uint8_t		dirty_led_shows_drive_activity;
763 	uint8_t		bios_continue_on_error;
764 	uint8_t		spindown_mode;
765 	uint8_t		allowed_device_types;
766 	uint8_t		allow_mix_in_enclosure;
767 	uint8_t		allow_mix_in_ld;
768 	uint8_t		allow_sata_in_cluster;
769 	uint8_t		max_chained_enclosures;
770 	uint8_t		disable_ctrl_r;
771 	uint8_t		enabel_web_bios;
772 	uint8_t		phy_polarity_split;
773 	uint8_t		direct_pd_mapping;
774 	uint8_t		bios_enumerate_lds;
775 	uint8_t		restored_hot_spare_on_insertion;
776 	uint8_t		expose_enclosure_devices;
777 	uint8_t		maintain_pd_fail_history;
778 	uint8_t		resv[28];
779 } __packed;
780 
781 /* Controller default settings */
782 struct mfi_bios_data {
783 	uint16_t	boot_target_id;
784 	uint8_t		do_not_int_13;
785 	uint8_t		continue_on_error;
786 	uint8_t		verbose;
787 	uint8_t		geometry;
788 	uint8_t		expose_all_drives;
789 	uint8_t		reserved[56];
790 	uint8_t		check_sum;
791 } __packed;
792 
793 /* SAS (?) controller info, returned from MFI_DCMD_CTRL_GETINFO. */
794 struct mfi_ctrl_info {
795 	struct mfi_info_pci	pci;
796 	struct mfi_info_host	host;
797 	struct mfi_info_device	device;
798 
799 	/* Firmware components that are present and active. */
800 	uint32_t		image_check_word;
801 	uint32_t		image_component_count;
802 	struct mfi_info_component image_component[8];
803 
804 	/* Firmware components that have been flashed but are inactive */
805 	uint32_t		pending_image_component_count;
806 	struct mfi_info_component pending_image_component[8];
807 
808 	uint8_t			max_arms;
809 	uint8_t			max_spans;
810 	uint8_t			max_arrays;
811 	uint8_t			max_lds;
812 	char			product_name[80];
813 	char			serial_number[32];
814 	uint32_t		hw_present;
815 #define MFI_INFO_HW_BBU		0x01
816 #define MFI_INFO_HW_ALARM	0x02
817 #define MFI_INFO_HW_NVRAM	0x04
818 #define MFI_INFO_HW_UART	0x08
819 	uint32_t		current_fw_time;
820 	uint16_t		max_cmds;
821 	uint16_t		max_sg_elements;
822 	uint32_t		max_request_size;
823 	uint16_t		lds_present;
824 	uint16_t		lds_degraded;
825 	uint16_t		lds_offline;
826 	uint16_t		pd_present;
827 	uint16_t		pd_disks_present;
828 	uint16_t		pd_disks_pred_failure;
829 	uint16_t		pd_disks_failed;
830 	uint16_t		nvram_size;
831 	uint16_t		memory_size;
832 	uint16_t		flash_size;
833 	uint16_t		ram_correctable_errors;
834 	uint16_t		ram_uncorrectable_errors;
835 	uint8_t			cluster_allowed;
836 	uint8_t			cluster_active;
837 	uint16_t		max_strips_per_io;
838 
839 	uint32_t		raid_levels;
840 #define MFI_INFO_RAID_0		0x01
841 #define MFI_INFO_RAID_1		0x02
842 #define MFI_INFO_RAID_5		0x04
843 #define MFI_INFO_RAID_1E	0x08
844 #define MFI_INFO_RAID_6		0x10
845 
846 	uint32_t		adapter_ops;
847 #define MFI_INFO_AOPS_RBLD_RATE		0x0001
848 #define MFI_INFO_AOPS_CC_RATE		0x0002
849 #define MFI_INFO_AOPS_BGI_RATE		0x0004
850 #define MFI_INFO_AOPS_RECON_RATE	0x0008
851 #define MFI_INFO_AOPS_PATROL_RATE	0x0010
852 #define MFI_INFO_AOPS_ALARM_CONTROL	0x0020
853 #define MFI_INFO_AOPS_CLUSTER_SUPPORTED	0x0040
854 #define MFI_INFO_AOPS_BBU		0x0080
855 #define MFI_INFO_AOPS_SPANNING_ALLOWED	0x0100
856 #define MFI_INFO_AOPS_DEDICATED_SPARES	0x0200
857 #define MFI_INFO_AOPS_REVERTIBLE_SPARES	0x0400
858 #define MFI_INFO_AOPS_FOREIGN_IMPORT	0x0800
859 #define MFI_INFO_AOPS_SELF_DIAGNOSTIC	0x1000
860 #define MFI_INFO_AOPS_MIXED_ARRAY	0x2000
861 #define MFI_INFO_AOPS_GLOBAL_SPARES	0x4000
862 
863 	uint32_t		ld_ops;
864 #define MFI_INFO_LDOPS_READ_POLICY	0x01
865 #define MFI_INFO_LDOPS_WRITE_POLICY	0x02
866 #define MFI_INFO_LDOPS_IO_POLICY	0x04
867 #define MFI_INFO_LDOPS_ACCESS_POLICY	0x08
868 #define MFI_INFO_LDOPS_DISK_CACHE_POLICY 0x10
869 
870 	struct {
871 		uint8_t		min;
872 		uint8_t		max;
873 		uint8_t		reserved[2];
874 	} __packed stripe_sz_ops;
875 
876 	uint32_t		pd_ops;
877 #define MFI_INFO_PDOPS_FORCE_ONLINE	0x01
878 #define MFI_INFO_PDOPS_FORCE_OFFLINE	0x02
879 #define MFI_INFO_PDOPS_FORCE_REBUILD	0x04
880 
881 	uint32_t		pd_mix_support;
882 #define MFI_INFO_PDMIX_SAS		0x01
883 #define MFI_INFO_PDMIX_SATA		0x02
884 #define MFI_INFO_PDMIX_ENCL		0x04
885 #define MFI_INFO_PDMIX_LD		0x08
886 #define MFI_INFO_PDMIX_SATA_CLUSTER	0x10
887 
888 	uint8_t			ecc_bucket_count;
889 	uint8_t			reserved2[11];
890 	struct mfi_ctrl_props	properties;
891 	char			package_version[0x60];
892 	uint8_t			pad[0x800 - 0x6a0];
893 } __packed;
894 
895 /* keep track of an event. */
896 union mfi_evt {
897 	struct {
898 		uint16_t	locale;
899 		uint8_t		reserved;
900 		int8_t		evt_class;
901 	} members;
902 	uint32_t		word;
903 } __packed;
904 
905 /* event log state. */
906 struct mfi_evt_log_state {
907 	uint32_t		newest_seq_num;
908 	uint32_t		oldest_seq_num;
909 	uint32_t		clear_seq_num;
910 	uint32_t		shutdown_seq_num;
911 	uint32_t		boot_seq_num;
912 } __packed;
913 
914 struct mfi_progress {
915 	uint16_t		progress;
916 	uint16_t		elapsed_seconds;
917 } __packed;
918 
919 struct mfi_evt_ld {
920 	uint16_t		target_id;
921 	uint8_t			ld_index;
922 	uint8_t			reserved;
923 } __packed;
924 
925 struct mfi_evt_pd {
926 	uint16_t		device_id;
927 	uint8_t			enclosure_index;
928 	uint8_t			slot_number;
929 } __packed;
930 
931 /* SAS (?) event detail, returned from MFI_DCMD_CTRL_EVENT_WAIT. */
932 struct mfi_evt_detail {
933 	uint32_t		seq;
934 	uint32_t		time;
935 	uint32_t		code;
936 	union mfi_evt		evt_class;
937 	uint8_t			arg_type;
938 	uint8_t			reserved1[15];
939 
940 	union {
941 		struct {
942 			struct mfi_evt_pd	pd;
943 			uint8_t			cdb_len;
944 			uint8_t			sense_len;
945 			uint8_t			reserved[2];
946 			uint8_t			cdb[16];
947 			uint8_t			sense[64];
948 		} cdb_sense;
949 
950 		struct mfi_evt_ld		ld;
951 
952 		struct {
953 			struct mfi_evt_ld	ld;
954 			uint64_t		count;
955 		} ld_count;
956 
957 		struct {
958 			uint64_t		lba;
959 			struct mfi_evt_ld	ld;
960 		} ld_lba;
961 
962 		struct {
963 			struct mfi_evt_ld	ld;
964 			uint32_t		pre_owner;
965 			uint32_t		new_owner;
966 		} ld_owner;
967 
968 		struct {
969 			uint64_t		ld_lba;
970 			uint64_t		pd_lba;
971 			struct mfi_evt_ld	ld;
972 			struct mfi_evt_pd	pd;
973 		} ld_lba_pd_lba;
974 
975 		struct {
976 			struct mfi_evt_ld	ld;
977 			struct mfi_progress	prog;
978 		} ld_prog;
979 
980 		struct {
981 			struct mfi_evt_ld	ld;
982 			uint32_t		prev_state;
983 			uint32_t		new_state;
984 		} ld_state;
985 
986 		struct {
987 			uint64_t		strip;
988 			struct mfi_evt_ld	ld;
989 		} ld_strip;
990 
991 		struct mfi_evt_pd		pd;
992 
993 		struct {
994 			struct mfi_evt_pd	pd;
995 			uint32_t		err;
996 		} pd_err;
997 
998 		struct {
999 			uint64_t		lba;
1000 			struct mfi_evt_pd	pd;
1001 		} pd_lba;
1002 
1003 		struct {
1004 			uint64_t		lba;
1005 			struct mfi_evt_pd	pd;
1006 			struct mfi_evt_ld	ld;
1007 		} pd_lba_ld;
1008 
1009 		struct {
1010 			struct mfi_evt_pd	pd;
1011 			struct mfi_progress	prog;
1012 		} pd_prog;
1013 
1014 		struct {
1015 			struct mfi_evt_pd	ld;
1016 			uint32_t		prev_state;
1017 			uint32_t		new_state;
1018 		} pd_state;
1019 
1020 		struct {
1021 			uint16_t		venderId;
1022 			uint16_t		deviceId;
1023 			uint16_t		subVenderId;
1024 			uint16_t		subDeviceId;
1025 		} pci;
1026 
1027 		uint32_t			rate;
1028 
1029 		char				str[96];
1030 
1031 		struct {
1032 			uint32_t		rtc;
1033 			uint16_t		elapsedSeconds;
1034 		} time;
1035 
1036 		struct {
1037 			uint32_t		ecar;
1038 			uint32_t		elog;
1039 			char			str[64];
1040 		} ecc;
1041 
1042 		uint8_t		b[96];
1043 		uint16_t	s[48];
1044 		uint32_t	w[24];
1045 		uint64_t	d[12];
1046 	} args;
1047 
1048 	char description[128];
1049 } __packed;
1050 
1051 struct mfi_evt_list {
1052 	uint32_t		count;
1053 	uint32_t		reserved;
1054 	struct mfi_evt_detail	event[1];
1055 } __packed;
1056 
1057 union mfi_pd_ref {
1058 	struct {
1059 		uint16_t	device_id;
1060 		uint16_t	seq_num;
1061 	} v;
1062 	uint32_t	ref;
1063 } __packed;
1064 
1065 union mfi_pd_ddf_type {
1066 	struct {
1067 		union {
1068 			struct {
1069 				uint16_t	forced_pd_guid	: 1;
1070 				uint16_t	in_vd		: 1;
1071 				uint16_t	is_global_spare	: 1;
1072 				uint16_t	is_spare	: 1;
1073 				uint16_t	is_foreign	: 1;
1074 				uint16_t	reserved	: 7;
1075 				uint16_t	intf		: 4;
1076 			} pd_type;
1077 			uint16_t	type;
1078 		} v;
1079 		uint16_t		reserved;
1080 	} ddf;
1081 	struct {
1082 		uint32_t		reserved;
1083 	} non_disk;
1084 	uint32_t			type;
1085 } __packed;
1086 
1087 struct mfi_pd_progress {
1088 	uint32_t			active;
1089 #define	MFI_PD_PROGRESS_REBUILD	(1<<0)
1090 #define	MFI_PD_PROGRESS_PATROL	(1<<1)
1091 #define	MFI_PD_PROGRESS_CLEAR	(1<<2)
1092 	struct mfi_progress		rbld;
1093 	struct mfi_progress		patrol;
1094 	struct mfi_progress		clear;
1095 	struct mfi_progress		reserved[4];
1096 } __packed;
1097 
1098 struct mfi_pd_info {
1099 	union mfi_pd_ref		ref;
1100 	uint8_t				inquiry_data[96];
1101 	uint8_t				vpd_page83[64];
1102 	uint8_t				not_supported;
1103 	uint8_t				scsi_dev_type;
1104 	uint8_t				connected_port_bitmap;
1105 	uint8_t				device_speed;
1106 	uint32_t			media_err_count;
1107 	uint32_t			other_err_count;
1108 	uint32_t			pred_fail_count;
1109 	uint32_t			last_pred_fail_event_seq_num;
1110 	uint16_t			fw_state;	/* MFI_PD_STATE_* */
1111 	uint8_t				disabled_for_removal;
1112 	uint8_t				link_speed;
1113 	union mfi_pd_ddf_type		state;
1114 	struct {
1115 		uint8_t			count;
1116 		uint8_t			is_path_broken;
1117 		uint8_t			reserved[6];
1118 		uint64_t		sas_addr[4];
1119 	} path_info;
1120 	uint64_t			raw_size;
1121 	uint64_t			non_coerced_size;
1122 	uint64_t			coerced_size;
1123 	uint16_t			encl_device_id;
1124 	uint8_t				encl_index;
1125 	uint8_t				slot_number;
1126 	struct mfi_pd_progress		prog_info;
1127 	uint8_t				bad_block_table_full;
1128 	uint8_t				unusable_in_current_config;
1129 	uint8_t				vpd_page83_ext[64];
1130 	uint8_t				reserved[512-358];
1131 } __packed;
1132 
1133 struct mfi_pd_address {
1134 	uint16_t		device_id;
1135 	uint16_t		encl_device_id;
1136 	uint8_t			encl_index;
1137 	uint8_t			slot_number;
1138 	uint8_t			scsi_dev_type;	/* 0 = disk */
1139 	uint8_t			connect_port_bitmap;
1140 	uint64_t		sas_addr[2];
1141 } __packed;
1142 
1143 #define MAX_SYS_PDS 240
1144 struct mfi_pd_list {
1145 	uint32_t		size;
1146 	uint32_t		count;
1147 	struct mfi_pd_address	addr[MAX_SYS_PDS];
1148 } __packed;
1149 
1150 enum mfi_pd_state {
1151 	MFI_PD_STATE_UNCONFIGURED_GOOD = 0x00,
1152 	MFI_PD_STATE_UNCONFIGURED_BAD = 0x01,
1153 	MFI_PD_STATE_HOT_SPARE = 0x02,
1154 	MFI_PD_STATE_OFFLINE = 0x10,
1155 	MFI_PD_STATE_FAILED = 0x11,
1156 	MFI_PD_STATE_REBUILD = 0x14,
1157 	MFI_PD_STATE_ONLINE = 0x18,
1158 	MFI_PD_STATE_COPYBACK = 0x20,
1159 	MFI_PD_STATE_SYSTEM = 0x40
1160 };
1161 
1162 /*
1163  * "SYSTEM" disk appears to be "JBOD" support from the RAID controller.
1164  * Adding a #define to denote this.
1165  */
1166 #define MFI_PD_STATE_JBOD MFI_PD_STATE_SYSTEM
1167 
1168 union mfi_ld_ref {
1169 	struct {
1170 		uint8_t		target_id;
1171 		uint8_t		reserved;
1172 		uint16_t	seq;
1173 	} v;
1174 	uint32_t		ref;
1175 } __packed;
1176 
1177 struct mfi_ld_list {
1178 	uint32_t		ld_count;
1179 	uint32_t		reserved1;
1180 	struct {
1181 		union mfi_ld_ref	ld;
1182 		uint8_t		state;
1183 		uint8_t		reserved2[3];
1184 		uint64_t	size;
1185 	} ld_list[MFI_MAX_LD];
1186 } __packed;
1187 
1188 enum mfi_ld_access {
1189 	MFI_LD_ACCESS_RW =	0,
1190 	MFI_LD_ACCSSS_RO = 	2,
1191 	MFI_LD_ACCESS_BLOCKED =	3,
1192 };
1193 #define MFI_LD_ACCESS_MASK	3
1194 
1195 enum mfi_ld_state {
1196 	MFI_LD_STATE_OFFLINE =			0,
1197 	MFI_LD_STATE_PARTIALLY_DEGRADED =	1,
1198 	MFI_LD_STATE_DEGRADED =			2,
1199 	MFI_LD_STATE_OPTIMAL =			3
1200 };
1201 
1202 struct mfi_ld_props {
1203 	union mfi_ld_ref	ld;
1204 	char			name[16];
1205 	uint8_t			default_cache_policy;
1206 	uint8_t			access_policy;
1207 	uint8_t			disk_cache_policy;
1208 	uint8_t			current_cache_policy;
1209 	uint8_t			no_bgi;
1210 	uint8_t			reserved[7];
1211 } __packed;
1212 
1213 struct mfi_ld_params {
1214 	uint8_t			primary_raid_level;
1215 	uint8_t			raid_level_qualifier;
1216 	uint8_t			secondary_raid_level;
1217 	uint8_t			stripe_size;
1218 	uint8_t			num_drives;
1219 	uint8_t			span_depth;
1220 	uint8_t			state;
1221 	uint8_t			init_state;
1222 #define	MFI_LD_PARAMS_INIT_NO		0
1223 #define	MFI_LD_PARAMS_INIT_QUICK	1
1224 #define	MFI_LD_PARAMS_INIT_FULL		2
1225 	uint8_t			is_consistent;
1226 	uint8_t			reserved1[6];
1227 	uint8_t			isSSCD;
1228 	uint8_t			reserved2[16];
1229 } __packed;
1230 
1231 struct mfi_ld_progress {
1232 	uint32_t		active;
1233 #define	MFI_LD_PROGRESS_CC	(1<<0)
1234 #define	MFI_LD_PROGRESS_BGI	(1<<1)
1235 #define	MFI_LD_PROGRESS_FGI	(1<<2)
1236 #define	MFI_LD_PROGRESS_RECON	(1<<3)
1237 	struct mfi_progress	cc;
1238 	struct mfi_progress	bgi;
1239 	struct mfi_progress	fgi;
1240 	struct mfi_progress	recon;
1241 	struct mfi_progress	reserved[4];
1242 } __packed;
1243 
1244 struct mfi_span {
1245 	uint64_t		start_block;
1246 	uint64_t		num_blocks;
1247 	uint16_t		array_ref;
1248 	uint8_t			reserved[6];
1249 } __packed;
1250 
1251 #define	MFI_MAX_SPAN_DEPTH	8
1252 struct mfi_ld_config {
1253 	struct mfi_ld_props	properties;
1254 	struct mfi_ld_params	params;
1255 	struct mfi_span		span[MFI_MAX_SPAN_DEPTH];
1256 } __packed;
1257 
1258 struct mfi_ld_info {
1259 	struct mfi_ld_config	ld_config;
1260 	uint64_t		size;
1261 	struct mfi_ld_progress	progress;
1262 	uint16_t		cluster_owner;
1263 	uint8_t			reconstruct_active;
1264 	uint8_t			reserved1[1];
1265 	uint8_t			vpd_page83[64];
1266 	uint8_t			reserved2[16];
1267 } __packed;
1268 
1269 #define MFI_MAX_ARRAYS 16
1270 struct mfi_spare {
1271 	union mfi_pd_ref	ref;
1272 	uint8_t			spare_type;
1273 #define	MFI_SPARE_DEDICATED	(1 << 0)
1274 #define	MFI_SPARE_REVERTIBLE	(1 << 1)
1275 #define	MFI_SPARE_ENCL_AFFINITY	(1 << 2)
1276 	uint8_t			reserved[2];
1277 	uint8_t			array_count;
1278 	uint16_t		array_ref[MFI_MAX_ARRAYS];
1279 } __packed;
1280 
1281 #define MFI_MAX_ROW_SIZE 32
1282 struct mfi_array {
1283 	uint64_t			size;
1284 	uint8_t				num_drives;
1285 	uint8_t				reserved;
1286 	uint16_t			array_ref;
1287 	uint8_t				pad[20];
1288 	struct {
1289 		union mfi_pd_ref	ref;	/* 0xffff == missing drive */
1290 		uint16_t		fw_state;	/* MFI_PD_STATE_* */
1291 		struct {
1292 			uint8_t		pd;
1293 			uint8_t		slot;
1294 		} encl;
1295 	} pd[MFI_MAX_ROW_SIZE];
1296 } __packed;
1297 
1298 struct mfi_config_data {
1299 	uint32_t		size;
1300 	uint16_t		array_count;
1301 	uint16_t		array_size;
1302 	uint16_t		log_drv_count;
1303 	uint16_t		log_drv_size;
1304 	uint16_t		spares_count;
1305 	uint16_t		spares_size;
1306 	uint8_t			reserved[16];
1307 	struct mfi_array	array[0];
1308 	struct mfi_ld_config	ld[0];
1309 	struct mfi_spare	spare[0];
1310 } __packed;
1311 
1312 struct mfi_bbu_capacity_info {
1313 	uint16_t		relative_charge;
1314 	uint16_t		absolute_charge;
1315 	uint16_t		remaining_capacity;
1316 	uint16_t		full_charge_capacity;
1317 	uint16_t		run_time_to_empty;
1318 	uint16_t		average_time_to_empty;
1319 	uint16_t		average_time_to_full;
1320 	uint16_t		cycle_count;
1321 	uint16_t		max_error;
1322 	uint16_t		remaining_capacity_alarm;
1323 	uint16_t		remaining_time_alarm;
1324 	uint8_t			reserved[26];
1325 } __packed;
1326 
1327 struct mfi_bbu_design_info {
1328 	uint32_t		mfg_date;
1329 	uint16_t		design_capacity;
1330 	uint16_t		design_voltage;
1331 	uint16_t		spec_info;
1332 	uint16_t		serial_number;
1333 	uint16_t		pack_stat_config;
1334 	uint8_t			mfg_name[12];
1335 	uint8_t			device_name[8];
1336 	uint8_t			device_chemistry[8];
1337 	uint8_t			mfg_data[8];
1338 	uint8_t			reserved[17];
1339 } __packed;
1340 
1341 struct mfi_ibbu_state {
1342 	uint16_t		gas_guage_status;
1343 	uint16_t		relative_charge;
1344 	uint16_t		charger_system_state;
1345 	uint16_t		charger_system_ctrl;
1346 	uint16_t		charging_current;
1347 	uint16_t		absolute_charge;
1348 	uint16_t		max_error;
1349 	uint8_t			reserved[18];
1350 } __packed;
1351 
1352 struct mfi_bbu_state {
1353 	uint16_t		gas_guage_status;
1354 	uint16_t		relative_charge;
1355 	uint16_t		charger_status;
1356 	uint16_t		remaining_capacity;
1357 	uint16_t		full_charge_capacity;
1358 	uint8_t			is_SOH_good;
1359 	uint8_t			reserved[21];
1360 } __packed;
1361 
1362 union mfi_bbu_status_detail {
1363 	struct mfi_ibbu_state	ibbu;
1364 	struct mfi_bbu_state	bbu;
1365 };
1366 
1367 struct mfi_bbu_status {
1368 	uint8_t			battery_type;
1369 #define	MFI_BBU_TYPE_NONE	0
1370 #define	MFI_BBU_TYPE_IBBU	1
1371 #define	MFI_BBU_TYPE_BBU	2
1372 	uint8_t			reserved;
1373 	uint16_t		voltage;
1374 	int16_t			current;
1375 	uint16_t		temperature;
1376 	uint32_t		fw_status;
1377 #define	MFI_BBU_STATE_PACK_MISSING	(1 << 0)
1378 #define	MFI_BBU_STATE_VOLTAGE_LOW	(1 << 1)
1379 #define	MFI_BBU_STATE_TEMPERATURE_HIGH	(1 << 2)
1380 #define	MFI_BBU_STATE_CHARGE_ACTIVE	(1 << 3)
1381 #define	MFI_BBU_STATE_DISCHARGE_ACTIVE	(1 << 4)
1382 #define	MFI_BBU_STATE_LEARN_CYC_REQ	(1 << 5)
1383 #define	MFI_BBU_STATE_LEARN_CYC_ACTIVE	(1 << 6)
1384 #define	MFI_BBU_STATE_LEARN_CYC_FAIL	(1 << 7)
1385 #define	MFI_BBU_STATE_LEARN_CYC_TIMEOUT	(1 << 8)
1386 #define	MFI_BBU_STATE_I2C_ERR_DETECT	(1 << 9)
1387 	uint8_t			pad[20];
1388 	union mfi_bbu_status_detail detail;
1389 } __packed;
1390 
1391 enum mfi_pr_state {
1392 	MFI_PR_STATE_STOPPED = 0,
1393 	MFI_PR_STATE_READY = 1,
1394 	MFI_PR_STATE_ACTIVE = 2,
1395 	MFI_PR_STATE_ABORTED = 0xff
1396 };
1397 
1398 struct mfi_pr_status {
1399 	uint32_t		num_iteration;
1400 	uint8_t			state;
1401 	uint8_t			num_pd_done;
1402 	uint8_t			reserved[10];
1403 };
1404 
1405 enum mfi_pr_opmode {
1406 	MFI_PR_OPMODE_AUTO = 0,
1407 	MFI_PR_OPMODE_MANUAL = 1,
1408 	MFI_PR_OPMODE_DISABLED = 2
1409 };
1410 
1411 struct mfi_pr_properties {
1412 	uint8_t			op_mode;
1413 	uint8_t			max_pd;
1414 	uint8_t			reserved;
1415 	uint8_t			exclude_ld_count;
1416 	uint16_t		excluded_ld[MFI_MAX_LD];
1417 	uint8_t			cur_pd_map[MFI_MAX_PD / 8];
1418 	uint8_t			last_pd_map[MFI_MAX_PD / 8];
1419 	uint32_t		next_exec;
1420 	uint32_t		exec_freq;
1421 	uint32_t		clear_freq;
1422 };
1423 
1424 /* ThunderBolt support */
1425 
1426 /*
1427  * Raid Context structure which describes MegaRAID specific IO Paramenters
1428  * This resides at offset 0x60 where the SGL normally starts in MPT IO Frames
1429  */
1430 typedef struct _MPI2_SCSI_IO_VENDOR_UNIQUE {
1431 	uint16_t	resvd0;		/* 0x00 - 0x01 */
1432 	uint16_t	timeoutValue;	/* 0x02 - 0x03 */
1433 	uint8_t		regLockFlags;
1434 	uint8_t		armId;
1435 	uint16_t	TargetID;	/* 0x06 - 0x07 */
1436 
1437 	uint64_t	RegLockLBA;	/* 0x08 - 0x0F */
1438 
1439 	uint32_t	RegLockLength;	/* 0x10 - 0x13 */
1440 
1441 	uint16_t	SMID;		/* 0x14 - 0x15 nextLMId */
1442 	uint8_t		exStatus;	/* 0x16 */
1443 	uint8_t		Status;		/* 0x17 status */
1444 
1445 	uint8_t		RAIDFlags;	/* 0x18 */
1446 	uint8_t		numSGE;		/* 0x19 numSge */
1447 	uint16_t	configSeqNum;	/* 0x1A - 0x1B */
1448 	uint8_t		spanArm;	/* 0x1C */
1449 	uint8_t		resvd2[3];	/* 0x1D - 0x1F */
1450 } MPI2_SCSI_IO_VENDOR_UNIQUE, MPI25_SCSI_IO_VENDOR_UNIQUE;
1451 
1452 /*****************************************************************************
1453 *
1454 *        Message Functions
1455 *
1456 *****************************************************************************/
1457 
1458 #define NA_MPI2_FUNCTION_SCSI_IO_REQUEST            (0x00) /* SCSI IO */
1459 #define MPI2_FUNCTION_SCSI_TASK_MGMT                (0x01) /* SCSI Task Management */
1460 #define MPI2_FUNCTION_IOC_INIT                      (0x02) /* IOC Init */
1461 #define MPI2_FUNCTION_IOC_FACTS                     (0x03) /* IOC Facts */
1462 #define MPI2_FUNCTION_CONFIG                        (0x04) /* Configuration */
1463 #define MPI2_FUNCTION_PORT_FACTS                    (0x05) /* Port Facts */
1464 #define MPI2_FUNCTION_PORT_ENABLE                   (0x06) /* Port Enable */
1465 #define MPI2_FUNCTION_EVENT_NOTIFICATION            (0x07) /* Event Notification */
1466 #define MPI2_FUNCTION_EVENT_ACK                     (0x08) /* Event Acknowledge */
1467 #define MPI2_FUNCTION_FW_DOWNLOAD                   (0x09) /* FW Download */
1468 #define MPI2_FUNCTION_TARGET_ASSIST                 (0x0B) /* Target Assist */
1469 #define MPI2_FUNCTION_TARGET_STATUS_SEND            (0x0C) /* Target Status Send */
1470 #define MPI2_FUNCTION_TARGET_MODE_ABORT             (0x0D) /* Target Mode Abort */
1471 #define MPI2_FUNCTION_FW_UPLOAD                     (0x12) /* FW Upload */
1472 #define MPI2_FUNCTION_RAID_ACTION                   (0x15) /* RAID Action */
1473 #define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH      (0x16) /* SCSI IO RAID Passthrough */
1474 #define MPI2_FUNCTION_TOOLBOX                       (0x17) /* Toolbox */
1475 #define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR      (0x18) /* SCSI Enclosure Processor */
1476 #define MPI2_FUNCTION_SMP_PASSTHROUGH               (0x1A) /* SMP Passthrough */
1477 #define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL           (0x1B) /* SAS IO Unit Control */
1478 #define MPI2_FUNCTION_SATA_PASSTHROUGH              (0x1C) /* SATA Passthrough */
1479 #define MPI2_FUNCTION_DIAG_BUFFER_POST              (0x1D) /* Diagnostic Buffer Post */
1480 #define MPI2_FUNCTION_DIAG_RELEASE                  (0x1E) /* Diagnostic Release */
1481 #define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST      (0x24) /* Target Command Buffer Post Base */
1482 #define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST      (0x25) /* Target Command Buffer Post List */
1483 #define MPI2_FUNCTION_RAID_ACCELERATOR              (0x2C) /* RAID Accelerator */
1484 #define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION   (0x2F) /* Host Based Discovery Action */
1485 #define MPI2_FUNCTION_PWR_MGMT_CONTROL              (0x30) /* Power Management Control */
1486 #define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC          (0xF0) /* beginning of product-specific range */
1487 #define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC          (0xFF) /* end of product-specific range */
1488 
1489 /* Doorbell functions */
1490 #define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET        (0x40)
1491 #define MPI2_FUNCTION_HANDSHAKE                     (0x42)
1492 
1493 /*****************************************************************************
1494 *
1495 *        MPI Version Definitions
1496 *
1497 *****************************************************************************/
1498 
1499 #define MPI2_VERSION_MAJOR                  (0x02)
1500 #define MPI2_VERSION_MINOR                  (0x00)
1501 #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
1502 #define MPI2_VERSION_MAJOR_SHIFT            (8)
1503 #define MPI2_VERSION_MINOR_MASK             (0x00FF)
1504 #define MPI2_VERSION_MINOR_SHIFT            (0)
1505 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) |   \
1506                                       MPI2_VERSION_MINOR)
1507 
1508 #define MPI2_VERSION_02_00                  (0x0200)
1509 
1510 /* versioning for this MPI header set */
1511 #define MPI2_HEADER_VERSION_UNIT            (0x10)
1512 #define MPI2_HEADER_VERSION_DEV             (0x00)
1513 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
1514 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
1515 #define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
1516 #define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
1517 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) |		\
1518 					MPI2_HEADER_VERSION_DEV)
1519 
1520 
1521 /* IOCInit Request message */
1522 struct MPI2_IOC_INIT_REQUEST {
1523 	uint8_t		WhoInit;                        /* 0x00 */
1524 	uint8_t		Reserved1;                      /* 0x01 */
1525 	uint8_t		ChainOffset;                    /* 0x02 */
1526 	uint8_t		Function;                       /* 0x03 */
1527 	uint16_t	Reserved2;                      /* 0x04 */
1528 	uint8_t		Reserved3;                      /* 0x06 */
1529 	uint8_t		MsgFlags;                       /* 0x07 */
1530 	uint8_t		VP_ID;                          /* 0x08 */
1531 	uint8_t		VF_ID;                          /* 0x09 */
1532 	uint16_t	Reserved4;                      /* 0x0A */
1533 	uint16_t	MsgVersion;                     /* 0x0C */
1534 	uint16_t	HeaderVersion;                  /* 0x0E */
1535 	uint32_t	Reserved5;                      /* 0x10 */
1536 	uint16_t	Reserved6;                      /* 0x14 */
1537 	uint8_t		Reserved7;                      /* 0x16 */
1538 	uint8_t		HostMSIxVectors;                /* 0x17 */
1539 	uint16_t	Reserved8;                      /* 0x18 */
1540 	uint16_t	SystemRequestFrameSize;         /* 0x1A */
1541 	uint16_t	ReplyDescriptorPostQueueDepth;  /* 0x1C */
1542 	uint16_t	ReplyFreeQueueDepth;            /* 0x1E */
1543 	uint32_t	SenseBufferAddressHigh;         /* 0x20 */
1544 	uint32_t	SystemReplyAddressHigh;         /* 0x24 */
1545 	uint64_t	SystemRequestFrameBaseAddress;  /* 0x28 */
1546 	uint64_t	ReplyDescriptorPostQueueAddress;/* 0x30 */
1547 	uint64_t	ReplyFreeQueueAddress;          /* 0x38 */
1548 	uint64_t	TimeStamp;                      /* 0x40 */
1549 };
1550 
1551 /* WhoInit values */
1552 #define MPI2_WHOINIT_NOT_INITIALIZED            (0x00)
1553 #define MPI2_WHOINIT_SYSTEM_BIOS                (0x01)
1554 #define MPI2_WHOINIT_ROM_BIOS                   (0x02)
1555 #define MPI2_WHOINIT_PCI_PEER                   (0x03)
1556 #define MPI2_WHOINIT_HOST_DRIVER                (0x04)
1557 #define MPI2_WHOINIT_MANUFACTURER               (0x05)
1558 
1559 struct MPI2_SGE_CHAIN_UNION {
1560 	uint16_t	Length;
1561 	uint8_t		NextChainOffset;
1562 	uint8_t		Flags;
1563 	union {
1564 		uint32_t	Address32;
1565 		uint64_t	Address64;
1566 	} u;
1567 };
1568 
1569 struct MPI2_IEEE_SGE_SIMPLE32 {
1570 	uint32_t	Address;
1571 	uint32_t	FlagsLength;
1572 };
1573 
1574 struct MPI2_IEEE_SGE_SIMPLE64 {
1575 	uint64_t	Address;
1576 	uint32_t	Length;
1577 	uint16_t	Reserved1;
1578 	uint8_t		Reserved2;
1579 	uint8_t		Flags;
1580 };
1581 
1582 typedef union _MPI2_IEEE_SGE_SIMPLE_UNION {
1583 	struct MPI2_IEEE_SGE_SIMPLE32	Simple32;
1584 	struct MPI2_IEEE_SGE_SIMPLE64	Simple64;
1585 } MPI2_IEEE_SGE_SIMPLE_UNION;
1586 
1587 typedef struct _MPI2_SGE_SIMPLE_UNION {
1588 	uint32_t	FlagsLength;
1589 	union {
1590 		uint32_t	Address32;
1591 		uint64_t	Address64;
1592 	} u;
1593 } MPI2_SGE_SIMPLE_UNION;
1594 
1595 /****************************************************************************
1596 *  IEEE SGE field definitions and masks
1597 ****************************************************************************/
1598 
1599 /* Flags field bit definitions */
1600 
1601 #define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK   (0x80)
1602 
1603 #define MPI2_IEEE32_SGE_FLAGS_SHIFT             (24)
1604 
1605 #define MPI2_IEEE32_SGE_LENGTH_MASK             (0x00FFFFFF)
1606 
1607 /* Element Type */
1608 
1609 #define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT      (0x00)
1610 #define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT       (0x80)
1611 
1612 /* Data Location Address Space */
1613 
1614 #define MPI2_IEEE_SGE_FLAGS_ADDR_MASK           (0x03)
1615 #define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR         (0x00)
1616 #define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR         (0x01)
1617 #define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR         (0x02)
1618 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03)
1619 
1620 /* Address Size */
1621 
1622 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
1623 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
1624 
1625 /*******************/
1626 /* SCSI IO Control bits */
1627 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_MASK      (0xFC000000)
1628 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT     (26)
1629 
1630 #define MPI2_SCSIIO_CONTROL_DATADIRECTION_MASK  (0x03000000)
1631 #define MPI2_SCSIIO_CONTROL_NODATATRANSFER      (0x00000000)
1632 #define MPI2_SCSIIO_CONTROL_WRITE               (0x01000000)
1633 #define MPI2_SCSIIO_CONTROL_READ                (0x02000000)
1634 #define MPI2_SCSIIO_CONTROL_BIDIRECTIONAL       (0x03000000)
1635 
1636 #define MPI2_SCSIIO_CONTROL_TASKPRI_MASK        (0x00007800)
1637 #define MPI2_SCSIIO_CONTROL_TASKPRI_SHIFT       (11)
1638 
1639 #define MPI2_SCSIIO_CONTROL_TASKATTRIBUTE_MASK  (0x00000700)
1640 #define MPI2_SCSIIO_CONTROL_SIMPLEQ             (0x00000000)
1641 #define MPI2_SCSIIO_CONTROL_HEADOFQ             (0x00000100)
1642 #define MPI2_SCSIIO_CONTROL_ORDEREDQ            (0x00000200)
1643 #define MPI2_SCSIIO_CONTROL_ACAQ                (0x00000400)
1644 
1645 #define MPI2_SCSIIO_CONTROL_TLR_MASK            (0x000000C0)
1646 #define MPI2_SCSIIO_CONTROL_NO_TLR              (0x00000000)
1647 #define MPI2_SCSIIO_CONTROL_TLR_ON              (0x00000040)
1648 #define MPI2_SCSIIO_CONTROL_TLR_OFF             (0x00000080)
1649 
1650 /*******************/
1651 
1652 typedef struct {
1653 	uint8_t		CDB[20];                    /* 0x00 */
1654 	uint32_t	PrimaryReferenceTag;        /* 0x14 */
1655 	uint16_t	PrimaryApplicationTag;      /* 0x18 */
1656 	uint16_t	PrimaryApplicationTagMask;  /* 0x1A */
1657 	uint32_t	TransferLength;             /* 0x1C */
1658 } MPI2_SCSI_IO_CDB_EEDP32;
1659 
1660 
1661 typedef union _MPI2_IEEE_SGE_CHAIN_UNION {
1662 	struct MPI2_IEEE_SGE_SIMPLE32	Chain32;
1663 	struct MPI2_IEEE_SGE_SIMPLE64	Chain64;
1664 } MPI2_IEEE_SGE_CHAIN_UNION;
1665 
1666 typedef union _MPI2_SIMPLE_SGE_UNION {
1667 	MPI2_SGE_SIMPLE_UNION		MpiSimple;
1668 	MPI2_IEEE_SGE_SIMPLE_UNION	IeeeSimple;
1669 } MPI2_SIMPLE_SGE_UNION;
1670 
1671 typedef union _MPI2_SGE_IO_UNION {
1672 	MPI2_SGE_SIMPLE_UNION		MpiSimple;
1673 	struct MPI2_SGE_CHAIN_UNION	MpiChain;
1674 	MPI2_IEEE_SGE_SIMPLE_UNION	IeeeSimple;
1675 	MPI2_IEEE_SGE_CHAIN_UNION	IeeeChain;
1676 } MPI2_SGE_IO_UNION;
1677 
1678 typedef union {
1679 	uint8_t			CDB32[32];
1680 	MPI2_SCSI_IO_CDB_EEDP32	EEDP32;
1681 	MPI2_SGE_SIMPLE_UNION	SGE;
1682 } MPI2_SCSI_IO_CDB_UNION;
1683 
1684 
1685 /* MPI 2.5 SGLs */
1686 
1687 #define MPI25_IEEE_SGE_FLAGS_END_OF_LIST        (0x40)
1688 
1689 typedef struct _MPI25_IEEE_SGE_CHAIN64 {
1690 	uint64_t	Address;
1691 	uint32_t	Length;
1692 	uint16_t	Reserved1;
1693 	uint8_t		NextChainOffset;
1694 	uint8_t		Flags;
1695 } MPI25_IEEE_SGE_CHAIN64, *pMpi25IeeeSgeChain64_t;
1696 
1697 /* use MPI2_IEEE_SGE_FLAGS_ defines for the Flags field */
1698 
1699 
1700 /********/
1701 
1702 /*
1703  * RAID SCSI IO Request Message
1704  * Total SGE count will be one less than  _MPI2_SCSI_IO_REQUEST
1705  */
1706 struct mfi_mpi2_request_raid_scsi_io {
1707 	uint16_t		DevHandle;                      /* 0x00 */
1708 	uint8_t			ChainOffset;                    /* 0x02 */
1709 	uint8_t			Function;                       /* 0x03 */
1710 	uint16_t		Reserved1;                      /* 0x04 */
1711 	uint8_t			Reserved2;                      /* 0x06 */
1712 	uint8_t			MsgFlags;                       /* 0x07 */
1713 	uint8_t			VP_ID;                          /* 0x08 */
1714 	uint8_t			VF_ID;                          /* 0x09 */
1715 	uint16_t		Reserved3;                      /* 0x0A */
1716 	uint32_t		SenseBufferLowAddress;          /* 0x0C */
1717 	uint16_t		SGLFlags;                       /* 0x10 */
1718 	uint8_t			SenseBufferLength;              /* 0x12 */
1719 	uint8_t			Reserved4;                      /* 0x13 */
1720 	uint8_t			SGLOffset0;                     /* 0x14 */
1721 	uint8_t			SGLOffset1;                     /* 0x15 */
1722 	uint8_t			SGLOffset2;                     /* 0x16 */
1723 	uint8_t			SGLOffset3;                     /* 0x17 */
1724 	uint32_t		SkipCount;                      /* 0x18 */
1725 	uint32_t		DataLength;                     /* 0x1C */
1726 	uint32_t		BidirectionalDataLength;        /* 0x20 */
1727 	uint16_t		IoFlags;                        /* 0x24 */
1728 	uint16_t		EEDPFlags;                      /* 0x26 */
1729 	uint32_t		EEDPBlockSize;                  /* 0x28 */
1730 	uint32_t		SecondaryReferenceTag;          /* 0x2C */
1731 	uint16_t		SecondaryApplicationTag;        /* 0x30 */
1732 	uint16_t		ApplicationTagTranslationMask;  /* 0x32 */
1733 	uint8_t			LUN[8];                         /* 0x34 */
1734 	uint32_t		Control;                        /* 0x3C */
1735 	MPI2_SCSI_IO_CDB_UNION	CDB;                            /* 0x40 */
1736 	MPI2_SCSI_IO_VENDOR_UNIQUE	RaidContext;              /* 0x60 */
1737 	MPI2_SGE_IO_UNION	SGL;                            /* 0x80 */
1738 } __packed;
1739 
1740 /*
1741  * MPT RAID MFA IO Descriptor.
1742  */
1743 typedef struct _MFI_RAID_MFA_IO_DESCRIPTOR {
1744 	uint32_t	RequestFlags : 8;
1745 	uint32_t	MessageAddress1 : 24; /* bits 31:8*/
1746 	uint32_t	MessageAddress2;      /* bits 61:32 */
1747 } MFI_RAID_MFA_IO_REQUEST_DESCRIPTOR,*PMFI_RAID_MFA_IO_REQUEST_DESCRIPTOR;
1748 
1749 struct mfi_mpi2_request_header {
1750 	uint8_t		RequestFlags;       /* 0x00 */
1751 	uint8_t		MSIxIndex;          /* 0x01 */
1752 	uint16_t	SMID;               /* 0x02 */
1753 	uint16_t	LMID;               /* 0x04 */
1754 };
1755 
1756 /* defines for the RequestFlags field */
1757 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK               (0x0E)
1758 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
1759 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET             (0x02)
1760 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY           (0x06)
1761 #define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE            (0x08)
1762 #define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR        (0x0A)
1763 
1764 #define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER (0x01)
1765 
1766 struct mfi_mpi2_request_high_priority {
1767 	struct mfi_mpi2_request_header	header;
1768 	uint16_t			reserved;
1769 };
1770 
1771 struct mfi_mpi2_request_scsi_io {
1772 	struct mfi_mpi2_request_header	header;
1773 	uint16_t			scsi_io_dev_handle;
1774 };
1775 
1776 struct mfi_mpi2_request_scsi_target {
1777 	struct mfi_mpi2_request_header	header;
1778 	uint16_t			scsi_target_io_index;
1779 };
1780 
1781 /* Request Descriptors */
1782 union mfi_mpi2_request_descriptor {
1783 	struct mfi_mpi2_request_header		header;
1784 	struct mfi_mpi2_request_high_priority	high_priority;
1785 	struct mfi_mpi2_request_scsi_io		scsi_io;
1786 	struct mfi_mpi2_request_scsi_target	scsi_target;
1787 	uint64_t				words;
1788 };
1789 
1790 
1791 struct mfi_mpi2_reply_header {
1792 	uint8_t		ReplyFlags;                 /* 0x00 */
1793 	uint8_t		MSIxIndex;                  /* 0x01 */
1794 	uint16_t	SMID;                       /* 0x02 */
1795 };
1796 
1797 /* defines for the ReplyFlags field */
1798 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK                   (0x0F)
1799 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS             (0x00)
1800 #define MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY               (0x01)
1801 #define MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS        (0x02)
1802 #define MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER       (0x03)
1803 #define MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS    (0x05)
1804 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED                      (0x0F)
1805 
1806 /* values for marking a reply descriptor as unused */
1807 #define MPI2_RPY_DESCRIPT_UNUSED_WORD0_MARK             (0xFFFFFFFF)
1808 #define MPI2_RPY_DESCRIPT_UNUSED_WORD1_MARK             (0xFFFFFFFF)
1809 
1810 struct mfi_mpi2_reply_default {
1811 	struct mfi_mpi2_reply_header	header;
1812 	uint32_t			DescriptorTypeDependent2;
1813 };
1814 
1815 struct mfi_mpi2_reply_address {
1816 	struct mfi_mpi2_reply_header	header;
1817 	uint32_t			ReplyFrameAddress;
1818 };
1819 
1820 struct mfi_mpi2_reply_scsi_io {
1821 	struct mfi_mpi2_reply_header	header;
1822 	uint16_t			TaskTag;		/* 0x04 */
1823 	uint16_t			Reserved1;		/* 0x06 */
1824 };
1825 
1826 struct mfi_mpi2_reply_target_assist {
1827 	struct mfi_mpi2_reply_header	header;
1828 	uint8_t				SequenceNumber;		/* 0x04 */
1829 	uint8_t				Reserved1;		/* 0x04 */
1830 	uint16_t			IoIndex;		/* 0x06 */
1831 };
1832 
1833 struct mfi_mpi2_reply_target_cmd_buffer {
1834 	struct mfi_mpi2_reply_header	header;
1835 	uint8_t				SequenceNumber;		/* 0x04 */
1836 	uint8_t				Flags;			/* 0x04 */
1837 	uint16_t			InitiatorDevHandle;	/* 0x06 */
1838 	uint16_t			IoIndex;		/* 0x06 */
1839 };
1840 
1841 struct mfi_mpi2_reply_raid_accel {
1842 	struct mfi_mpi2_reply_header	header;
1843 	uint8_t				SequenceNumber;		/* 0x04 */
1844 	uint32_t			Reserved;		/* 0x04 */
1845 };
1846 
1847 /* union of Reply Descriptors */
1848 union mfi_mpi2_reply_descriptor {
1849 	struct mfi_mpi2_reply_header		header;
1850 	struct mfi_mpi2_reply_scsi_io		scsi_io;
1851 	struct mfi_mpi2_reply_target_assist	target_assist;
1852 	struct mfi_mpi2_reply_target_cmd_buffer	target_cmd;
1853 	struct mfi_mpi2_reply_raid_accel	raid_accel;
1854 	struct mfi_mpi2_reply_default		reply_default;
1855 	uint64_t				words;
1856 };
1857 
1858 struct IO_REQUEST_INFO {
1859 	uint64_t	ldStartBlock;
1860 	uint32_t	numBlocks;
1861 	uint16_t	ldTgtId;
1862 	uint8_t		isRead;
1863 	uint16_t	devHandle;
1864 	uint64_t	pdBlock;
1865 	uint8_t		fpOkForIo;
1866 };
1867 
1868 #define MFI_SCSI_MAX_TARGETS	128
1869 #define MFI_SCSI_MAX_LUNS	8
1870 #define MFI_SCSI_INITIATOR_ID	255
1871 #define MFI_SCSI_MAX_CMDS	8
1872 #define MFI_SCSI_MAX_CDB_LEN	16
1873 
1874 #endif /* _MFIREG_H */
1875