xref: /freebsd/sys/dev/mfi/mfireg.h (revision e14ddd1f16e7e5788392c50de21ea7c927e0690c)
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_RFPI	0x48 		/* reply_free_post_host_index */
90 #define MFI_RPI		0x6c 		/* reply_post_host_index */
91 #define MFI_ILQP 	0xc0		/* inbound_low_queue_port */
92 #define MFI_IHQP 	0xc4		/* inbound_high_queue_port */
93 
94 /*
95  * 1078 specific related register
96  */
97 #define MFI_ODR0	0x9c 		/* outbound doorbell register0 */
98 #define MFI_ODCR0	0xa0 		/* outbound doorbell clear register0  */
99 #define MFI_OSP0	0xb0 		/* outbound scratch pad0  */
100 #define MFI_1078_EIM	0x80000004 	/* 1078 enable intrrupt mask  */
101 #define MFI_RMI		0x2 		/* reply message interrupt  */
102 #define MFI_1078_RM	0x80000000 	/* reply 1078 message interrupt  */
103 #define MFI_ODC		0x4 		/* outbound doorbell change interrupt */
104 
105 /* OCR registers */
106 #define MFI_WSR		0x004		/* write sequence register */
107 #define MFI_HDR		0x008		/* host diagnostic register */
108 #define MFI_RSR		0x3c3		/* Reset Status Register */
109 
110 /*
111  * GEN2 specific changes
112  */
113 #define MFI_GEN2_EIM	0x00000005	/* GEN2 enable interrupt mask */
114 #define MFI_GEN2_RM	0x00000001	/* reply GEN2 message interrupt */
115 
116 /*
117  * skinny specific changes
118  */
119 #define MFI_SKINNY_IDB	0x00	/* Inbound doorbell is at 0x00 for skinny */
120 #define MFI_IQPL	0x000000c0
121 #define MFI_IQPH	0x000000c4
122 #define MFI_SKINNY_RM	0x00000001	/* reply skinny message interrupt */
123 
124 /* Bits for MFI_OSTS */
125 #define MFI_OSTS_INTR_VALID	0x00000002
126 
127 /* OCR specific flags */
128 #define MFI_FIRMWARE_STATE_CHANGE	0x00000002
129 #define MFI_STATE_CHANGE_INTERRUPT	0x00000004  /* MFI state change interrrupt */
130 
131 /*
132  * Firmware state values.  Found in OMSG0 during initialization.
133  */
134 #define MFI_FWSTATE_MASK		0xf0000000
135 #define MFI_FWSTATE_UNDEFINED		0x00000000
136 #define MFI_FWSTATE_BB_INIT		0x10000000
137 #define MFI_FWSTATE_FW_INIT		0x40000000
138 #define MFI_FWSTATE_WAIT_HANDSHAKE	0x60000000
139 #define MFI_FWSTATE_FW_INIT_2		0x70000000
140 #define MFI_FWSTATE_DEVICE_SCAN		0x80000000
141 #define MFI_FWSTATE_BOOT_MESSAGE_PENDING	0x90000000
142 #define MFI_FWSTATE_FLUSH_CACHE		0xa0000000
143 #define MFI_FWSTATE_READY		0xb0000000
144 #define MFI_FWSTATE_OPERATIONAL		0xc0000000
145 #define MFI_FWSTATE_FAULT		0xf0000000
146 #define MFI_FWSTATE_MAXSGL_MASK		0x00ff0000
147 #define MFI_FWSTATE_MAXCMD_MASK		0x0000ffff
148 #define MFI_FWSTATE_HOSTMEMREQD_MASK	0x08000000
149 #define MFI_FWSTATE_BOOT_MESSAGE_PENDING	0x90000000
150 #define MFI_RESET_REQUIRED		0x00000001
151 
152 /* ThunderBolt Support */
153 #define MFI_FWSTATE_TB_MASK		0xf0000000
154 #define MFI_FWSTATE_TB_RESET		0x00000000
155 #define MFI_FWSTATE_TB_READY		0x10000000
156 #define MFI_FWSTATE_TB_OPERATIONAL	0x20000000
157 #define MFI_FWSTATE_TB_FAULT		0x40000000
158 
159 /*
160  * Control bits to drive the card to ready state.  These go into the IDB
161  * register.
162  */
163 #define MFI_FWINIT_ABORT	0x00000000 /* Abort all pending commands */
164 #define MFI_FWINIT_READY	0x00000002 /* Move from operational to ready */
165 #define MFI_FWINIT_MFIMODE	0x00000004 /* unknown */
166 #define MFI_FWINIT_CLEAR_HANDSHAKE 0x00000008 /* Respond to WAIT_HANDSHAKE */
167 #define MFI_FWINIT_HOTPLUG	0x00000010
168 
169 /* ADP reset flags */
170 #define MFI_STOP_ADP		0x00000020
171 #define MFI_ADP_RESET		0x00000040
172 #define DIAG_WRITE_ENABLE	0x00000080
173 #define DIAG_RESET_ADAPTER	0x00000004
174 
175 /* MFI Commands */
176 typedef enum {
177 	MFI_CMD_INIT =		0x00,
178 	MFI_CMD_LD_READ,
179 	MFI_CMD_LD_WRITE,
180 	MFI_CMD_LD_SCSI_IO,
181 	MFI_CMD_PD_SCSI_IO,
182 	MFI_CMD_DCMD,
183 	MFI_CMD_ABORT,
184 	MFI_CMD_SMP,
185 	MFI_CMD_STP
186 } mfi_cmd_t;
187 
188 /* Direct commands */
189 typedef enum {
190 	MFI_DCMD_CTRL_GETINFO =		0x01010000,
191 	MFI_DCMD_CTRL_MFI_HOST_MEM_ALLOC =0x0100e100,
192 	MFI_DCMD_CTRL_MFC_DEFAULTS_GET =0x010e0201,
193 	MFI_DCMD_CTRL_MFC_DEFAULTS_SET =0x010e0202,
194 	MFI_DCMD_CTRL_FLUSHCACHE =	0x01101000,
195 	MFI_DCMD_CTRL_SHUTDOWN =	0x01050000,
196 	MFI_DCMD_CTRL_EVENT_GETINFO =	0x01040100,
197 	MFI_DCMD_CTRL_EVENT_GET =	0x01040300,
198 	MFI_DCMD_CTRL_EVENT_WAIT =	0x01040500,
199 	MFI_DCMD_PR_GET_STATUS =	0x01070100,
200 	MFI_DCMD_PR_GET_PROPERTIES =	0x01070200,
201 	MFI_DCMD_PR_SET_PROPERTIES =	0x01070300,
202 	MFI_DCMD_PR_START =		0x01070400,
203 	MFI_DCMD_PR_STOP =		0x01070500,
204 	MFI_DCMD_TIME_SECS_GET =	0x01080201,
205 	MFI_DCMD_FLASH_FW_OPEN =	0x010f0100,
206 	MFI_DCMD_FLASH_FW_DOWNLOAD =	0x010f0200,
207 	MFI_DCMD_FLASH_FW_FLASH =	0x010f0300,
208 	MFI_DCMD_FLASH_FW_CLOSE =	0x010f0400,
209 	MFI_DCMD_PD_GET_LIST =		0x02010000,
210 	MFI_DCMD_PD_LIST_QUERY =	0x02010100,
211 	MFI_DCMD_PD_GET_INFO = 		0x02020000,
212 	MFI_DCMD_PD_STATE_SET =		0x02030100,
213 	MFI_DCMD_PD_REBUILD_START =	0x02040100,
214 	MFI_DCMD_PD_REBUILD_ABORT =	0x02040200,
215 	MFI_DCMD_PD_CLEAR_START =	0x02050100,
216 	MFI_DCMD_PD_CLEAR_ABORT =	0x02050200,
217 	MFI_DCMD_PD_GET_PROGRESS =	0x02060000,
218 	MFI_DCMD_PD_LOCATE_START =	0x02070100,
219 	MFI_DCMD_PD_LOCATE_STOP =	0x02070200,
220 	MFI_DCMD_LD_MAP_GET_INFO =	0x0300e101,
221 	MFI_DCMD_LD_SYNC =		0x0300e102,
222 	MFI_DCMD_LD_GET_LIST =		0x03010000,
223 	MFI_DCMD_LD_GET_INFO =		0x03020000,
224 	MFI_DCMD_LD_GET_PROP =		0x03030000,
225 	MFI_DCMD_LD_SET_PROP =		0x03040000,
226 	MFI_DCMD_LD_INIT_START =	0x03060100,
227 	MFI_DCMD_LD_DELETE =		0x03090000,
228 	MFI_DCMD_CFG_READ =		0x04010000,
229 	MFI_DCMD_CFG_ADD =		0x04020000,
230 	MFI_DCMD_CFG_CLEAR =		0x04030000,
231 	MFI_DCMD_CFG_MAKE_SPARE =	0x04040000,
232 	MFI_DCMD_CFG_REMOVE_SPARE =	0x04050000,
233 	MFI_DCMD_CFG_FOREIGN_IMPORT =	0x04060400,
234 	MFI_DCMD_BBU_GET_STATUS =	0x05010000,
235 	MFI_DCMD_BBU_GET_CAPACITY_INFO =0x05020000,
236 	MFI_DCMD_BBU_GET_DESIGN_INFO =	0x05030000,
237 	MFI_DCMD_BBU_START_LEARN =	0x05040000,
238 	MFI_DCMD_BBU_GET_PROP =		0x05050100,
239 	MFI_DCMD_BBU_SET_PROP =		0x05050200,
240 	MFI_DCMD_CLUSTER =		0x08000000,
241 	MFI_DCMD_CLUSTER_RESET_ALL =	0x08010100,
242 	MFI_DCMD_CLUSTER_RESET_LD =	0x08010200
243 } mfi_dcmd_t;
244 
245 /* Modifiers for MFI_DCMD_CTRL_FLUSHCACHE */
246 #define MFI_FLUSHCACHE_CTRL	0x01
247 #define MFI_FLUSHCACHE_DISK	0x02
248 
249 /* Modifiers for MFI_DCMD_CTRL_SHUTDOWN */
250 #define MFI_SHUTDOWN_SPINDOWN	0x01
251 
252 /*
253  * MFI Frame flags
254  */
255 #define MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
256 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
257 #define MFI_FRAME_SGL32				0x0000
258 #define MFI_FRAME_SGL64				0x0002
259 #define MFI_FRAME_SENSE32			0x0000
260 #define MFI_FRAME_SENSE64			0x0004
261 #define MFI_FRAME_DIR_NONE			0x0000
262 #define MFI_FRAME_DIR_WRITE			0x0008
263 #define MFI_FRAME_DIR_READ			0x0010
264 #define MFI_FRAME_DIR_BOTH			0x0018
265 #define MFI_FRAME_IEEE_SGL			0x0020
266 #define MFI_FRAME_FMT "\20" \
267     "\1NOPOST" \
268     "\2SGL64" \
269     "\3SENSE64" \
270     "\4WRITE" \
271     "\5READ" \
272     "\6IEEESGL"
273 
274 /* ThunderBolt Specific */
275 
276 /*
277  * Pre-TB command size and TB command size.
278  * We will be checking it at the load time for the time being
279  */
280 #define MR_COMMAND_SIZE (MFI_FRAME_SIZE*20) /* 1280 bytes */
281 
282 #define MEGASAS_THUNDERBOLT_MSG_ALLIGNMENT  256
283 /*
284  * We are defining only 128 byte message to reduce memory move over head
285  * and also it will reduce the SRB extension size by 128byte compared with
286  * 256 message size
287  */
288 #define MEGASAS_THUNDERBOLT_NEW_MSG_SIZE	256
289 #define MEGASAS_THUNDERBOLT_MAX_COMMANDS	1024
290 #define MEGASAS_THUNDERBOLT_MAX_REPLY_COUNT	1024
291 #define MEGASAS_THUNDERBOLT_REPLY_SIZE		8
292 #define MEGASAS_THUNDERBOLT_MAX_CHAIN_COUNT	1
293 #define MEGASAS_MAX_SZ_CHAIN_FRAME		1024
294 
295 #define MPI2_FUNCTION_PASSTHRU_IO_REQUEST       0xF0
296 #define MPI2_FUNCTION_LD_IO_REQUEST             0xF1
297 
298 #define MR_INTERNAL_MFI_FRAMES_SMID             1
299 #define MR_CTRL_EVENT_WAIT_SMID                 2
300 #define MR_INTERNAL_DRIVER_RESET_SMID           3
301 
302 
303 /* MFI Status codes */
304 typedef enum {
305 	MFI_STAT_OK =			0x00,
306 	MFI_STAT_INVALID_CMD,
307 	MFI_STAT_INVALID_DCMD,
308 	MFI_STAT_INVALID_PARAMETER,
309 	MFI_STAT_INVALID_SEQUENCE_NUMBER,
310 	MFI_STAT_ABORT_NOT_POSSIBLE,
311 	MFI_STAT_APP_HOST_CODE_NOT_FOUND,
312 	MFI_STAT_APP_IN_USE,
313 	MFI_STAT_APP_NOT_INITIALIZED,
314 	MFI_STAT_ARRAY_INDEX_INVALID,
315 	MFI_STAT_ARRAY_ROW_NOT_EMPTY,
316 	MFI_STAT_CONFIG_RESOURCE_CONFLICT,
317 	MFI_STAT_DEVICE_NOT_FOUND,
318 	MFI_STAT_DRIVE_TOO_SMALL,
319 	MFI_STAT_FLASH_ALLOC_FAIL,
320 	MFI_STAT_FLASH_BUSY,
321 	MFI_STAT_FLASH_ERROR =		0x10,
322 	MFI_STAT_FLASH_IMAGE_BAD,
323 	MFI_STAT_FLASH_IMAGE_INCOMPLETE,
324 	MFI_STAT_FLASH_NOT_OPEN,
325 	MFI_STAT_FLASH_NOT_STARTED,
326 	MFI_STAT_FLUSH_FAILED,
327 	MFI_STAT_HOST_CODE_NOT_FOUNT,
328 	MFI_STAT_LD_CC_IN_PROGRESS,
329 	MFI_STAT_LD_INIT_IN_PROGRESS,
330 	MFI_STAT_LD_LBA_OUT_OF_RANGE,
331 	MFI_STAT_LD_MAX_CONFIGURED,
332 	MFI_STAT_LD_NOT_OPTIMAL,
333 	MFI_STAT_LD_RBLD_IN_PROGRESS,
334 	MFI_STAT_LD_RECON_IN_PROGRESS,
335 	MFI_STAT_LD_WRONG_RAID_LEVEL,
336 	MFI_STAT_MAX_SPARES_EXCEEDED,
337 	MFI_STAT_MEMORY_NOT_AVAILABLE =	0x20,
338 	MFI_STAT_MFC_HW_ERROR,
339 	MFI_STAT_NO_HW_PRESENT,
340 	MFI_STAT_NOT_FOUND,
341 	MFI_STAT_NOT_IN_ENCL,
342 	MFI_STAT_PD_CLEAR_IN_PROGRESS,
343 	MFI_STAT_PD_TYPE_WRONG,
344 	MFI_STAT_PR_DISABLED,
345 	MFI_STAT_ROW_INDEX_INVALID,
346 	MFI_STAT_SAS_CONFIG_INVALID_ACTION,
347 	MFI_STAT_SAS_CONFIG_INVALID_DATA,
348 	MFI_STAT_SAS_CONFIG_INVALID_PAGE,
349 	MFI_STAT_SAS_CONFIG_INVALID_TYPE,
350 	MFI_STAT_SCSI_DONE_WITH_ERROR,
351 	MFI_STAT_SCSI_IO_FAILED,
352 	MFI_STAT_SCSI_RESERVATION_CONFLICT,
353 	MFI_STAT_SHUTDOWN_FAILED =	0x30,
354 	MFI_STAT_TIME_NOT_SET,
355 	MFI_STAT_WRONG_STATE,
356 	MFI_STAT_LD_OFFLINE,
357 	MFI_STAT_PEER_NOTIFICATION_REJECTED,
358 	MFI_STAT_PEER_NOTIFICATION_FAILED,
359 	MFI_STAT_RESERVATION_IN_PROGRESS,
360 	MFI_STAT_I2C_ERRORS_DETECTED,
361 	MFI_STAT_PCI_ERRORS_DETECTED,
362 	MFI_STAT_DIAG_FAILED,
363 	MFI_STAT_BOOT_MSG_PENDING,
364 	MFI_STAT_FOREIGN_CONFIG_INCOMPLETE,
365 	MFI_STAT_INVALID_STATUS =	0xFF
366 } mfi_status_t;
367 
368 typedef enum {
369 	MFI_EVT_CLASS_DEBUG =		-2,
370 	MFI_EVT_CLASS_PROGRESS =	-1,
371 	MFI_EVT_CLASS_INFO =		0,
372 	MFI_EVT_CLASS_WARNING =		1,
373 	MFI_EVT_CLASS_CRITICAL =	2,
374 	MFI_EVT_CLASS_FATAL =		3,
375 	MFI_EVT_CLASS_DEAD =		4
376 } mfi_evt_class_t;
377 
378 typedef enum {
379 	MFI_EVT_LOCALE_LD =		0x0001,
380 	MFI_EVT_LOCALE_PD =		0x0002,
381 	MFI_EVT_LOCALE_ENCL =		0x0004,
382 	MFI_EVT_LOCALE_BBU =		0x0008,
383 	MFI_EVT_LOCALE_SAS =		0x0010,
384 	MFI_EVT_LOCALE_CTRL =		0x0020,
385 	MFI_EVT_LOCALE_CONFIG =		0x0040,
386 	MFI_EVT_LOCALE_CLUSTER =	0x0080,
387 	MFI_EVT_LOCALE_ALL =		0xffff
388 } mfi_evt_locale_t;
389 
390 typedef enum {
391 	MR_EVT_ARGS_NONE =		0x00,
392 	MR_EVT_ARGS_CDB_SENSE,
393 	MR_EVT_ARGS_LD,
394 	MR_EVT_ARGS_LD_COUNT,
395 	MR_EVT_ARGS_LD_LBA,
396 	MR_EVT_ARGS_LD_OWNER,
397 	MR_EVT_ARGS_LD_LBA_PD_LBA,
398 	MR_EVT_ARGS_LD_PROG,
399 	MR_EVT_ARGS_LD_STATE,
400 	MR_EVT_ARGS_LD_STRIP,
401 	MR_EVT_ARGS_PD,
402 	MR_EVT_ARGS_PD_ERR,
403 	MR_EVT_ARGS_PD_LBA,
404 	MR_EVT_ARGS_PD_LBA_LD,
405 	MR_EVT_ARGS_PD_PROG,
406 	MR_EVT_ARGS_PD_STATE,
407 	MR_EVT_ARGS_PCI,
408 	MR_EVT_ARGS_RATE,
409 	MR_EVT_ARGS_STR,
410 	MR_EVT_ARGS_TIME,
411 	MR_EVT_ARGS_ECC
412 } mfi_evt_args;
413 
414 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED	0x0152
415 #define MR_EVT_PD_REMOVED			0x0070
416 #define MR_EVT_PD_INSERTED			0x005b
417 #define MR_EVT_LD_CHANGE			0x0051
418 
419 typedef enum {
420 	MR_LD_CACHE_WRITE_BACK =	0x01,
421 	MR_LD_CACHE_WRITE_ADAPTIVE =	0x02,
422 	MR_LD_CACHE_READ_AHEAD =	0x04,
423 	MR_LD_CACHE_READ_ADAPTIVE =	0x08,
424 	MR_LD_CACHE_WRITE_CACHE_BAD_BBU=0x10,
425 	MR_LD_CACHE_ALLOW_WRITE_CACHE =	0x20,
426 	MR_LD_CACHE_ALLOW_READ_CACHE =	0x40
427 } mfi_ld_cache;
428 #define	MR_LD_CACHE_MASK	0x7f
429 
430 #define	MR_LD_CACHE_POLICY_READ_AHEAD_NONE		0
431 #define	MR_LD_CACHE_POLICY_READ_AHEAD_ALWAYS		MR_LD_CACHE_READ_AHEAD
432 #define	MR_LD_CACHE_POLICY_READ_AHEAD_ADAPTIVE		\
433 	(MR_LD_CACHE_READ_AHEAD | MR_LD_CACHE_READ_ADAPTIVE)
434 #define	MR_LD_CACHE_POLICY_WRITE_THROUGH		0
435 #define	MR_LD_CACHE_POLICY_WRITE_BACK			MR_LD_CACHE_WRITE_BACK
436 #define	MR_LD_CACHE_POLICY_IO_CACHED			\
437 	(MR_LD_CACHE_ALLOW_WRITE_CACHE | MR_LD_CACHE_ALLOW_READ_CACHE)
438 #define	MR_LD_CACHE_POLICY_IO_DIRECT			0
439 
440 typedef enum {
441 	MR_PD_CACHE_UNCHANGED  =	0,
442 	MR_PD_CACHE_ENABLE =		1,
443 	MR_PD_CACHE_DISABLE =		2
444 } mfi_pd_cache;
445 
446 typedef enum {
447 	MR_PD_QUERY_TYPE_ALL =		0,
448 	MR_PD_QUERY_TYPE_STATE =	1,
449 	MR_PD_QUERY_TYPE_POWER_STATE =	2,
450 	MR_PD_QUERY_TYPE_MEDIA_TYPE =	3,
451 	MR_PD_QUERY_TYPE_SPEED =	4,
452 	MR_PD_QUERY_TYPE_EXPOSED_TO_HOST = 5 /*query for system drives */
453 } mfi_pd_query_type;
454 
455 /*
456  * Other propertities and definitions
457  */
458 #define MFI_MAX_PD_CHANNELS	2
459 #define MFI_MAX_LD_CHANNELS	2
460 #define MFI_MAX_CHANNELS	(MFI_MAX_PD_CHANNELS + MFI_MAX_LD_CHANNELS)
461 #define MFI_MAX_CHANNEL_DEVS	128
462 #define MFI_DEFAULT_ID		-1
463 #define MFI_MAX_LUN		8
464 #define MFI_MAX_LD		64
465 #define	MFI_MAX_PD		256
466 
467 #define MFI_FRAME_SIZE		64
468 #define MFI_MBOX_SIZE		12
469 
470 /* Firmware flashing can take 50+ seconds */
471 #define MFI_POLL_TIMEOUT_SECS	60
472 
473 /* Allow for speedier math calculations */
474 #define MFI_SECTOR_LEN		512
475 
476 /* Scatter Gather elements */
477 struct mfi_sg32 {
478 	uint32_t	addr;
479 	uint32_t	len;
480 } __packed;
481 
482 struct mfi_sg64 {
483 	uint64_t	addr;
484 	uint32_t	len;
485 } __packed;
486 
487 struct mfi_sg_skinny {
488 	uint64_t	addr;
489 	uint32_t	len;
490 	uint32_t	flag;
491 } __packed;
492 
493 union mfi_sgl {
494 	struct mfi_sg32		sg32[1];
495 	struct mfi_sg64		sg64[1];
496 	struct mfi_sg_skinny	sg_skinny[1];
497 } __packed;
498 
499 /* Message frames.  All messages have a common header */
500 struct mfi_frame_header {
501 	uint8_t		cmd;
502 	uint8_t		sense_len;
503 	uint8_t		cmd_status;
504 	uint8_t		scsi_status;
505 	uint8_t		target_id;
506 	uint8_t		lun_id;
507 	uint8_t		cdb_len;
508 	uint8_t		sg_count;
509 	uint32_t	context;
510 	/*
511 	 * pad0 is MSI Specific. Not used by Driver. Zero the value before
512 	 * sending the command to f/w.
513 	 */
514 	uint32_t	pad0;
515 	uint16_t	flags;
516 #define MFI_FRAME_DATAOUT	0x08
517 #define MFI_FRAME_DATAIN	0x10
518 	uint16_t	timeout;
519 	uint32_t	data_len;
520 } __packed;
521 
522 struct mfi_init_frame {
523 	struct mfi_frame_header	header;
524 	uint32_t	qinfo_new_addr_lo;
525 	uint32_t	qinfo_new_addr_hi;
526 	uint32_t	qinfo_old_addr_lo;
527 	uint32_t	qinfo_old_addr_hi;
528 	// Start LSIP200113393
529 	uint32_t	driver_ver_lo;      /*28h */
530 	uint32_t	driver_ver_hi;      /*2Ch */
531 
532 	uint32_t	reserved[4];
533 	// End LSIP200113393
534 } __packed;
535 
536 /*
537  * Define MFI Address Context union.
538  */
539 #ifdef MFI_ADDRESS_IS_uint64_t
540     typedef uint64_t     MFI_ADDRESS;
541 #else
542     typedef union _MFI_ADDRESS {
543         struct {
544             uint32_t     addressLow;
545             uint32_t     addressHigh;
546         } u;
547         uint64_t     address;
548     } MFI_ADDRESS, *PMFI_ADDRESS;
549 #endif
550 
551 #define MFI_IO_FRAME_SIZE 40
552 struct mfi_io_frame {
553 	struct mfi_frame_header	header;
554 	uint32_t	sense_addr_lo;
555 	uint32_t	sense_addr_hi;
556 	uint32_t	lba_lo;
557 	uint32_t	lba_hi;
558 	union mfi_sgl	sgl;
559 } __packed;
560 
561 #define MFI_PASS_FRAME_SIZE 48
562 struct mfi_pass_frame {
563 	struct mfi_frame_header header;
564 	uint32_t	sense_addr_lo;
565 	uint32_t	sense_addr_hi;
566 	uint8_t		cdb[16];
567 	union mfi_sgl	sgl;
568 } __packed;
569 
570 #define MFI_DCMD_FRAME_SIZE 40
571 struct mfi_dcmd_frame {
572 	struct mfi_frame_header header;
573 	uint32_t	opcode;
574 	uint8_t		mbox[MFI_MBOX_SIZE];
575 	union mfi_sgl	sgl;
576 } __packed;
577 
578 struct mfi_abort_frame {
579 	struct mfi_frame_header header;
580 	uint32_t	abort_context;
581 	/* pad is changed to reserved.*/
582 	uint32_t	reserved0;
583 	uint32_t	abort_mfi_addr_lo;
584 	uint32_t	abort_mfi_addr_hi;
585 	uint32_t	reserved1[6];
586 } __packed;
587 
588 struct mfi_smp_frame {
589 	struct mfi_frame_header header;
590 	uint64_t	sas_addr;
591 	union {
592 		struct mfi_sg32 sg32[2];
593 		struct mfi_sg64 sg64[2];
594 	} sgl;
595 } __packed;
596 
597 struct mfi_stp_frame {
598 	struct mfi_frame_header header;
599 	uint16_t	fis[10];
600 	uint32_t	stp_flags;
601 	union {
602 		struct mfi_sg32 sg32[2];
603 		struct mfi_sg64 sg64[2];
604 	} sgl;
605 } __packed;
606 
607 union mfi_frame {
608 	struct mfi_frame_header header;
609 	struct mfi_init_frame	init;
610 	/* ThunderBolt Initialization */
611 	struct mfi_io_frame	io;
612 	struct mfi_pass_frame	pass;
613 	struct mfi_dcmd_frame	dcmd;
614 	struct mfi_abort_frame	abort;
615 	struct mfi_smp_frame	smp;
616 	struct mfi_stp_frame	stp;
617 	uint8_t			bytes[MFI_FRAME_SIZE];
618 };
619 
620 #define MFI_SENSE_LEN 128
621 struct mfi_sense {
622 	uint8_t		data[MFI_SENSE_LEN];
623 };
624 
625 /* The queue init structure that is passed with the init message */
626 struct mfi_init_qinfo {
627 	uint32_t	flags;
628 	uint32_t	rq_entries;
629 	uint32_t	rq_addr_lo;
630 	uint32_t	rq_addr_hi;
631 	uint32_t	pi_addr_lo;
632 	uint32_t	pi_addr_hi;
633 	uint32_t	ci_addr_lo;
634 	uint32_t	ci_addr_hi;
635 } __packed;
636 
637 /* SAS (?) controller properties, part of mfi_ctrl_info */
638 struct mfi_ctrl_props {
639 	uint16_t	seq_num;
640 	uint16_t	pred_fail_poll_interval;
641 	uint16_t	intr_throttle_cnt;
642 	uint16_t	intr_throttle_timeout;
643 	uint8_t		rebuild_rate;
644 	uint8_t		patrol_read_rate;
645 	uint8_t		bgi_rate;
646 	uint8_t		cc_rate;
647 	uint8_t		recon_rate;
648 	uint8_t		cache_flush_interval;
649 	uint8_t		spinup_drv_cnt;
650 	uint8_t		spinup_delay;
651 	uint8_t		cluster_enable;
652 	uint8_t		coercion_mode;
653 	uint8_t		alarm_enable;
654 	uint8_t		disable_auto_rebuild;
655 	uint8_t		disable_battery_warn;
656 	uint8_t		ecc_bucket_size;
657 	uint16_t	ecc_bucket_leak_rate;
658 	uint8_t		restore_hotspare_on_insertion;
659 	uint8_t		expose_encl_devices;
660 	uint8_t		maintainPdFailHistory;
661 	uint8_t		disallowHostRequestReordering;
662 	/* set TRUE to abort CC on detecting an inconsistency */
663 	uint8_t		abortCCOnError;
664 	/* load balance mode (MR_LOAD_BALANCE_MODE) */
665 	uint8_t		loadBalanceMode;
666 	/*
667 	 * 0 - use auto detect logic of backplanes like SGPIO, i2c SEP using
668 	 *     h/w mechansim like GPIO pins
669 	 * 1 - disable auto detect SGPIO,
670 	 * 2 - disable i2c SEP auto detect
671 	 * 3 - disable both auto detect
672 	 */
673 	uint8_t		disableAutoDetectBackplane;
674 	/*
675 	 * % of source LD to be reserved for a VDs snapshot in snapshot
676 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on
677 	 */
678 	uint8_t		snapVDSpace;
679 
680 	/*
681 	 * Add properties that can be controlled by a bit in the following
682 	 * structure.
683 	 */
684 	struct {
685 		/* set TRUE to disable copyBack (0=copback enabled) */
686 		uint32_t	copyBackDisabled		:1;
687 		uint32_t	SMARTerEnabled			:1;
688 		uint32_t	prCorrectUnconfiguredAreas	:1;
689 		uint32_t	useFdeOnly			:1;
690 		uint32_t	disableNCQ			:1;
691 		uint32_t	SSDSMARTerEnabled		:1;
692 		uint32_t	SSDPatrolReadEnabled		:1;
693 		uint32_t	enableSpinDownUnconfigured	:1;
694 		uint32_t	autoEnhancedImport		:1;
695 		uint32_t	enableSecretKeyControl		:1;
696 		uint32_t	disableOnlineCtrlReset		:1;
697 		uint32_t	allowBootWithPinnedCache	:1;
698 		uint32_t	disableSpinDownHS		:1;
699 		uint32_t	enableJBOD			:1;
700 		uint32_t	reserved			:18;
701 	} OnOffProperties;
702 	/*
703 	 * % of source LD to be reserved for auto snapshot in snapshot
704 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on.
705 	 */
706 	uint8_t		autoSnapVDSpace;
707 	/*
708 	 * Snapshot writeable VIEWs capacity as a % of source LD capacity:
709 	 * 0=READ only, 1=5%, 2=10%, 3=15% and so on.
710 	 */
711 	uint8_t		viewSpace;
712 	/* # of idle minutes before device is spun down (0=use FW defaults) */
713 	uint16_t	spinDownTime;
714 	uint8_t		reserved[24];
715 } __packed;
716 
717 /* PCI information about the card. */
718 struct mfi_info_pci {
719 	uint16_t	vendor;
720 	uint16_t	device;
721 	uint16_t	subvendor;
722 	uint16_t	subdevice;
723 	uint8_t		reserved[24];
724 } __packed;
725 
726 /* Host (front end) interface information */
727 struct mfi_info_host {
728 	uint8_t		type;
729 #define MFI_INFO_HOST_PCIX	0x01
730 #define MFI_INFO_HOST_PCIE	0x02
731 #define MFI_INFO_HOST_ISCSI	0x04
732 #define MFI_INFO_HOST_SAS3G	0x08
733 	uint8_t		reserved[6];
734 	uint8_t		port_count;
735 	uint64_t	port_addr[8];
736 } __packed;
737 
738 /* Device (back end) interface information */
739 struct mfi_info_device {
740 	uint8_t		type;
741 #define MFI_INFO_DEV_SPI	0x01
742 #define MFI_INFO_DEV_SAS3G	0x02
743 #define MFI_INFO_DEV_SATA1	0x04
744 #define MFI_INFO_DEV_SATA3G	0x08
745 	uint8_t		reserved[6];
746 	uint8_t		port_count;
747 	uint64_t	port_addr[8];
748 } __packed;
749 
750 /* Firmware component information */
751 struct mfi_info_component {
752 	char		 name[8];
753 	char		 version[32];
754 	char		 build_date[16];
755 	char		 build_time[16];
756 } __packed;
757 
758 /* Controller default settings */
759 struct mfi_defaults {
760 	uint64_t	sas_addr;
761 	uint8_t		phy_polarity;
762 	uint8_t		background_rate;
763 	uint8_t		stripe_size;
764 	uint8_t		flush_time;
765 	uint8_t		write_back;
766 	uint8_t		read_ahead;
767 	uint8_t		cache_when_bbu_bad;
768 	uint8_t		cached_io;
769 	uint8_t		smart_mode;
770 	uint8_t		alarm_disable;
771 	uint8_t		coercion;
772 	uint8_t		zrc_config;
773 	uint8_t		dirty_led_shows_drive_activity;
774 	uint8_t		bios_continue_on_error;
775 	uint8_t		spindown_mode;
776 	uint8_t		allowed_device_types;
777 	uint8_t		allow_mix_in_enclosure;
778 	uint8_t		allow_mix_in_ld;
779 	uint8_t		allow_sata_in_cluster;
780 	uint8_t		max_chained_enclosures;
781 	uint8_t		disable_ctrl_r;
782 	uint8_t		enabel_web_bios;
783 	uint8_t		phy_polarity_split;
784 	uint8_t		direct_pd_mapping;
785 	uint8_t		bios_enumerate_lds;
786 	uint8_t		restored_hot_spare_on_insertion;
787 	uint8_t		expose_enclosure_devices;
788 	uint8_t		maintain_pd_fail_history;
789 	uint8_t		resv[28];
790 } __packed;
791 
792 /* Controller default settings */
793 struct mfi_bios_data {
794 	uint16_t	boot_target_id;
795 	uint8_t		do_not_int_13;
796 	uint8_t		continue_on_error;
797 	uint8_t		verbose;
798 	uint8_t		geometry;
799 	uint8_t		expose_all_drives;
800 	uint8_t		reserved[56];
801 	uint8_t		check_sum;
802 } __packed;
803 
804 /* SAS (?) controller info, returned from MFI_DCMD_CTRL_GETINFO. */
805 struct mfi_ctrl_info {
806 	struct mfi_info_pci	pci;
807 	struct mfi_info_host	host;
808 	struct mfi_info_device	device;
809 
810 	/* Firmware components that are present and active. */
811 	uint32_t		image_check_word;
812 	uint32_t		image_component_count;
813 	struct mfi_info_component image_component[8];
814 
815 	/* Firmware components that have been flashed but are inactive */
816 	uint32_t		pending_image_component_count;
817 	struct mfi_info_component pending_image_component[8];
818 
819 	uint8_t			max_arms;
820 	uint8_t			max_spans;
821 	uint8_t			max_arrays;
822 	uint8_t			max_lds;
823 	char			product_name[80];
824 	char			serial_number[32];
825 	uint32_t		hw_present;
826 #define MFI_INFO_HW_BBU		0x01
827 #define MFI_INFO_HW_ALARM	0x02
828 #define MFI_INFO_HW_NVRAM	0x04
829 #define MFI_INFO_HW_UART	0x08
830 	uint32_t		current_fw_time;
831 	uint16_t		max_cmds;
832 	uint16_t		max_sg_elements;
833 	uint32_t		max_request_size;
834 	uint16_t		lds_present;
835 	uint16_t		lds_degraded;
836 	uint16_t		lds_offline;
837 	uint16_t		pd_present;
838 	uint16_t		pd_disks_present;
839 	uint16_t		pd_disks_pred_failure;
840 	uint16_t		pd_disks_failed;
841 	uint16_t		nvram_size;
842 	uint16_t		memory_size;
843 	uint16_t		flash_size;
844 	uint16_t		ram_correctable_errors;
845 	uint16_t		ram_uncorrectable_errors;
846 	uint8_t			cluster_allowed;
847 	uint8_t			cluster_active;
848 	uint16_t		max_strips_per_io;
849 
850 	uint32_t		raid_levels;
851 #define MFI_INFO_RAID_0		0x01
852 #define MFI_INFO_RAID_1		0x02
853 #define MFI_INFO_RAID_5		0x04
854 #define MFI_INFO_RAID_1E	0x08
855 #define MFI_INFO_RAID_6		0x10
856 
857 	uint32_t		adapter_ops;
858 #define MFI_INFO_AOPS_RBLD_RATE		0x0001
859 #define MFI_INFO_AOPS_CC_RATE		0x0002
860 #define MFI_INFO_AOPS_BGI_RATE		0x0004
861 #define MFI_INFO_AOPS_RECON_RATE	0x0008
862 #define MFI_INFO_AOPS_PATROL_RATE	0x0010
863 #define MFI_INFO_AOPS_ALARM_CONTROL	0x0020
864 #define MFI_INFO_AOPS_CLUSTER_SUPPORTED	0x0040
865 #define MFI_INFO_AOPS_BBU		0x0080
866 #define MFI_INFO_AOPS_SPANNING_ALLOWED	0x0100
867 #define MFI_INFO_AOPS_DEDICATED_SPARES	0x0200
868 #define MFI_INFO_AOPS_REVERTIBLE_SPARES	0x0400
869 #define MFI_INFO_AOPS_FOREIGN_IMPORT	0x0800
870 #define MFI_INFO_AOPS_SELF_DIAGNOSTIC	0x1000
871 #define MFI_INFO_AOPS_MIXED_ARRAY	0x2000
872 #define MFI_INFO_AOPS_GLOBAL_SPARES	0x4000
873 
874 	uint32_t		ld_ops;
875 #define MFI_INFO_LDOPS_READ_POLICY	0x01
876 #define MFI_INFO_LDOPS_WRITE_POLICY	0x02
877 #define MFI_INFO_LDOPS_IO_POLICY	0x04
878 #define MFI_INFO_LDOPS_ACCESS_POLICY	0x08
879 #define MFI_INFO_LDOPS_DISK_CACHE_POLICY 0x10
880 
881 	struct {
882 		uint8_t		min;
883 		uint8_t		max;
884 		uint8_t		reserved[2];
885 	} __packed stripe_sz_ops;
886 
887 	uint32_t		pd_ops;
888 #define MFI_INFO_PDOPS_FORCE_ONLINE	0x01
889 #define MFI_INFO_PDOPS_FORCE_OFFLINE	0x02
890 #define MFI_INFO_PDOPS_FORCE_REBUILD	0x04
891 
892 	uint32_t		pd_mix_support;
893 #define MFI_INFO_PDMIX_SAS		0x01
894 #define MFI_INFO_PDMIX_SATA		0x02
895 #define MFI_INFO_PDMIX_ENCL		0x04
896 #define MFI_INFO_PDMIX_LD		0x08
897 #define MFI_INFO_PDMIX_SATA_CLUSTER	0x10
898 
899 	uint8_t			ecc_bucket_count;
900 	uint8_t			reserved2[11];
901 	struct mfi_ctrl_props	properties;
902 	char			package_version[0x60];
903 	uint8_t			pad[0x800 - 0x6a0];
904 } __packed;
905 
906 /* keep track of an event. */
907 union mfi_evt {
908 	struct {
909 		uint16_t	locale;
910 		uint8_t		reserved;
911 		int8_t		evt_class;
912 	} members;
913 	uint32_t		word;
914 } __packed;
915 
916 /* event log state. */
917 struct mfi_evt_log_state {
918 	uint32_t		newest_seq_num;
919 	uint32_t		oldest_seq_num;
920 	uint32_t		clear_seq_num;
921 	uint32_t		shutdown_seq_num;
922 	uint32_t		boot_seq_num;
923 } __packed;
924 
925 struct mfi_progress {
926 	uint16_t		progress;
927 	uint16_t		elapsed_seconds;
928 } __packed;
929 
930 struct mfi_evt_ld {
931 	uint16_t		target_id;
932 	uint8_t			ld_index;
933 	uint8_t			reserved;
934 } __packed;
935 
936 struct mfi_evt_pd {
937 	uint16_t		device_id;
938 	uint8_t			enclosure_index;
939 	uint8_t			slot_number;
940 } __packed;
941 
942 /* SAS (?) event detail, returned from MFI_DCMD_CTRL_EVENT_WAIT. */
943 struct mfi_evt_detail {
944 	uint32_t		seq;
945 	uint32_t		time;
946 	uint32_t		code;
947 	union mfi_evt		evt_class;
948 	uint8_t			arg_type;
949 	uint8_t			reserved1[15];
950 
951 	union {
952 		struct {
953 			struct mfi_evt_pd	pd;
954 			uint8_t			cdb_len;
955 			uint8_t			sense_len;
956 			uint8_t			reserved[2];
957 			uint8_t			cdb[16];
958 			uint8_t			sense[64];
959 		} cdb_sense;
960 
961 		struct mfi_evt_ld		ld;
962 
963 		struct {
964 			struct mfi_evt_ld	ld;
965 			uint64_t		count;
966 		} ld_count;
967 
968 		struct {
969 			uint64_t		lba;
970 			struct mfi_evt_ld	ld;
971 		} ld_lba;
972 
973 		struct {
974 			struct mfi_evt_ld	ld;
975 			uint32_t		pre_owner;
976 			uint32_t		new_owner;
977 		} ld_owner;
978 
979 		struct {
980 			uint64_t		ld_lba;
981 			uint64_t		pd_lba;
982 			struct mfi_evt_ld	ld;
983 			struct mfi_evt_pd	pd;
984 		} ld_lba_pd_lba;
985 
986 		struct {
987 			struct mfi_evt_ld	ld;
988 			struct mfi_progress	prog;
989 		} ld_prog;
990 
991 		struct {
992 			struct mfi_evt_ld	ld;
993 			uint32_t		prev_state;
994 			uint32_t		new_state;
995 		} ld_state;
996 
997 		struct {
998 			uint64_t		strip;
999 			struct mfi_evt_ld	ld;
1000 		} ld_strip;
1001 
1002 		struct mfi_evt_pd		pd;
1003 
1004 		struct {
1005 			struct mfi_evt_pd	pd;
1006 			uint32_t		err;
1007 		} pd_err;
1008 
1009 		struct {
1010 			uint64_t		lba;
1011 			struct mfi_evt_pd	pd;
1012 		} pd_lba;
1013 
1014 		struct {
1015 			uint64_t		lba;
1016 			struct mfi_evt_pd	pd;
1017 			struct mfi_evt_ld	ld;
1018 		} pd_lba_ld;
1019 
1020 		struct {
1021 			struct mfi_evt_pd	pd;
1022 			struct mfi_progress	prog;
1023 		} pd_prog;
1024 
1025 		struct {
1026 			struct mfi_evt_pd	ld;
1027 			uint32_t		prev_state;
1028 			uint32_t		new_state;
1029 		} pd_state;
1030 
1031 		struct {
1032 			uint16_t		venderId;
1033 			uint16_t		deviceId;
1034 			uint16_t		subVenderId;
1035 			uint16_t		subDeviceId;
1036 		} pci;
1037 
1038 		uint32_t			rate;
1039 
1040 		char				str[96];
1041 
1042 		struct {
1043 			uint32_t		rtc;
1044 			uint16_t		elapsedSeconds;
1045 		} time;
1046 
1047 		struct {
1048 			uint32_t		ecar;
1049 			uint32_t		elog;
1050 			char			str[64];
1051 		} ecc;
1052 
1053 		uint8_t		b[96];
1054 		uint16_t	s[48];
1055 		uint32_t	w[24];
1056 		uint64_t	d[12];
1057 	} args;
1058 
1059 	char description[128];
1060 } __packed;
1061 
1062 struct mfi_evt_list {
1063 	uint32_t		count;
1064 	uint32_t		reserved;
1065 	struct mfi_evt_detail	event[1];
1066 } __packed;
1067 
1068 union mfi_pd_ref {
1069 	struct {
1070 		uint16_t	device_id;
1071 		uint16_t	seq_num;
1072 	} v;
1073 	uint32_t	ref;
1074 } __packed;
1075 
1076 union mfi_pd_ddf_type {
1077 	struct {
1078 		union {
1079 			struct {
1080 				uint16_t	forced_pd_guid	: 1;
1081 				uint16_t	in_vd		: 1;
1082 				uint16_t	is_global_spare	: 1;
1083 				uint16_t	is_spare	: 1;
1084 				uint16_t	is_foreign	: 1;
1085 				uint16_t	reserved	: 7;
1086 				uint16_t	intf		: 4;
1087 			} pd_type;
1088 			uint16_t	type;
1089 		} v;
1090 		uint16_t		reserved;
1091 	} ddf;
1092 	struct {
1093 		uint32_t		reserved;
1094 	} non_disk;
1095 	uint32_t			type;
1096 } __packed;
1097 
1098 struct mfi_pd_progress {
1099 	uint32_t			active;
1100 #define	MFI_PD_PROGRESS_REBUILD	(1<<0)
1101 #define	MFI_PD_PROGRESS_PATROL	(1<<1)
1102 #define	MFI_PD_PROGRESS_CLEAR	(1<<2)
1103 	struct mfi_progress		rbld;
1104 	struct mfi_progress		patrol;
1105 	struct mfi_progress		clear;
1106 	struct mfi_progress		reserved[4];
1107 } __packed;
1108 
1109 struct mfi_pd_info {
1110 	union mfi_pd_ref		ref;
1111 	uint8_t				inquiry_data[96];
1112 	uint8_t				vpd_page83[64];
1113 	uint8_t				not_supported;
1114 	uint8_t				scsi_dev_type;
1115 	uint8_t				connected_port_bitmap;
1116 	uint8_t				device_speed;
1117 	uint32_t			media_err_count;
1118 	uint32_t			other_err_count;
1119 	uint32_t			pred_fail_count;
1120 	uint32_t			last_pred_fail_event_seq_num;
1121 	uint16_t			fw_state;	/* MFI_PD_STATE_* */
1122 	uint8_t				disabled_for_removal;
1123 	uint8_t				link_speed;
1124 	union mfi_pd_ddf_type		state;
1125 	struct {
1126 		uint8_t			count;
1127 		uint8_t			is_path_broken;
1128 		uint8_t			reserved[6];
1129 		uint64_t		sas_addr[4];
1130 	} path_info;
1131 	uint64_t			raw_size;
1132 	uint64_t			non_coerced_size;
1133 	uint64_t			coerced_size;
1134 	uint16_t			encl_device_id;
1135 	uint8_t				encl_index;
1136 	uint8_t				slot_number;
1137 	struct mfi_pd_progress		prog_info;
1138 	uint8_t				bad_block_table_full;
1139 	uint8_t				unusable_in_current_config;
1140 	uint8_t				vpd_page83_ext[64];
1141 	uint8_t				reserved[512-358];
1142 } __packed;
1143 
1144 struct mfi_pd_address {
1145 	uint16_t		device_id;
1146 	uint16_t		encl_device_id;
1147 	uint8_t			encl_index;
1148 	uint8_t			slot_number;
1149 	uint8_t			scsi_dev_type;	/* 0 = disk */
1150 	uint8_t			connect_port_bitmap;
1151 	uint64_t		sas_addr[2];
1152 } __packed;
1153 
1154 #define MAX_SYS_PDS 240
1155 struct mfi_pd_list {
1156 	uint32_t		size;
1157 	uint32_t		count;
1158 	struct mfi_pd_address	addr[MAX_SYS_PDS];
1159 } __packed;
1160 
1161 enum mfi_pd_state {
1162 	MFI_PD_STATE_UNCONFIGURED_GOOD = 0x00,
1163 	MFI_PD_STATE_UNCONFIGURED_BAD = 0x01,
1164 	MFI_PD_STATE_HOT_SPARE = 0x02,
1165 	MFI_PD_STATE_OFFLINE = 0x10,
1166 	MFI_PD_STATE_FAILED = 0x11,
1167 	MFI_PD_STATE_REBUILD = 0x14,
1168 	MFI_PD_STATE_ONLINE = 0x18,
1169 	MFI_PD_STATE_COPYBACK = 0x20,
1170 	MFI_PD_STATE_SYSTEM = 0x40
1171 };
1172 
1173 /*
1174  * "SYSTEM" disk appears to be "JBOD" support from the RAID controller.
1175  * Adding a #define to denote this.
1176  */
1177 #define MFI_PD_STATE_JBOD MFI_PD_STATE_SYSTEM
1178 
1179 union mfi_ld_ref {
1180 	struct {
1181 		uint8_t		target_id;
1182 		uint8_t		reserved;
1183 		uint16_t	seq;
1184 	} v;
1185 	uint32_t		ref;
1186 } __packed;
1187 
1188 struct mfi_ld_list {
1189 	uint32_t		ld_count;
1190 	uint32_t		reserved1;
1191 	struct {
1192 		union mfi_ld_ref	ld;
1193 		uint8_t		state;
1194 		uint8_t		reserved2[3];
1195 		uint64_t	size;
1196 	} ld_list[MFI_MAX_LD];
1197 } __packed;
1198 
1199 enum mfi_ld_access {
1200 	MFI_LD_ACCESS_RW =	0,
1201 	MFI_LD_ACCSSS_RO = 	2,
1202 	MFI_LD_ACCESS_BLOCKED =	3,
1203 };
1204 #define MFI_LD_ACCESS_MASK	3
1205 
1206 enum mfi_ld_state {
1207 	MFI_LD_STATE_OFFLINE =			0,
1208 	MFI_LD_STATE_PARTIALLY_DEGRADED =	1,
1209 	MFI_LD_STATE_DEGRADED =			2,
1210 	MFI_LD_STATE_OPTIMAL =			3
1211 };
1212 
1213 struct mfi_ld_props {
1214 	union mfi_ld_ref	ld;
1215 	char			name[16];
1216 	uint8_t			default_cache_policy;
1217 	uint8_t			access_policy;
1218 	uint8_t			disk_cache_policy;
1219 	uint8_t			current_cache_policy;
1220 	uint8_t			no_bgi;
1221 	uint8_t			reserved[7];
1222 } __packed;
1223 
1224 struct mfi_ld_params {
1225 	uint8_t			primary_raid_level;
1226 	uint8_t			raid_level_qualifier;
1227 	uint8_t			secondary_raid_level;
1228 	uint8_t			stripe_size;
1229 	uint8_t			num_drives;
1230 	uint8_t			span_depth;
1231 	uint8_t			state;
1232 	uint8_t			init_state;
1233 #define	MFI_LD_PARAMS_INIT_NO		0
1234 #define	MFI_LD_PARAMS_INIT_QUICK	1
1235 #define	MFI_LD_PARAMS_INIT_FULL		2
1236 	uint8_t			is_consistent;
1237 	uint8_t			reserved1[6];
1238 	uint8_t			isSSCD;
1239 	uint8_t			reserved2[16];
1240 } __packed;
1241 
1242 struct mfi_ld_progress {
1243 	uint32_t		active;
1244 #define	MFI_LD_PROGRESS_CC	(1<<0)
1245 #define	MFI_LD_PROGRESS_BGI	(1<<1)
1246 #define	MFI_LD_PROGRESS_FGI	(1<<2)
1247 #define	MFI_LD_PROGRESS_RECON	(1<<3)
1248 	struct mfi_progress	cc;
1249 	struct mfi_progress	bgi;
1250 	struct mfi_progress	fgi;
1251 	struct mfi_progress	recon;
1252 	struct mfi_progress	reserved[4];
1253 } __packed;
1254 
1255 struct mfi_span {
1256 	uint64_t		start_block;
1257 	uint64_t		num_blocks;
1258 	uint16_t		array_ref;
1259 	uint8_t			reserved[6];
1260 } __packed;
1261 
1262 #define	MFI_MAX_SPAN_DEPTH	8
1263 struct mfi_ld_config {
1264 	struct mfi_ld_props	properties;
1265 	struct mfi_ld_params	params;
1266 	struct mfi_span		span[MFI_MAX_SPAN_DEPTH];
1267 } __packed;
1268 
1269 struct mfi_ld_info {
1270 	struct mfi_ld_config	ld_config;
1271 	uint64_t		size;
1272 	struct mfi_ld_progress	progress;
1273 	uint16_t		cluster_owner;
1274 	uint8_t			reconstruct_active;
1275 	uint8_t			reserved1[1];
1276 	uint8_t			vpd_page83[64];
1277 	uint8_t			reserved2[16];
1278 } __packed;
1279 
1280 #define MFI_MAX_ARRAYS 16
1281 struct mfi_spare {
1282 	union mfi_pd_ref	ref;
1283 	uint8_t			spare_type;
1284 #define	MFI_SPARE_DEDICATED	(1 << 0)
1285 #define	MFI_SPARE_REVERTIBLE	(1 << 1)
1286 #define	MFI_SPARE_ENCL_AFFINITY	(1 << 2)
1287 	uint8_t			reserved[2];
1288 	uint8_t			array_count;
1289 	uint16_t		array_ref[MFI_MAX_ARRAYS];
1290 } __packed;
1291 
1292 #define MFI_MAX_ROW_SIZE 32
1293 struct mfi_array {
1294 	uint64_t			size;
1295 	uint8_t				num_drives;
1296 	uint8_t				reserved;
1297 	uint16_t			array_ref;
1298 	uint8_t				pad[20];
1299 	struct {
1300 		union mfi_pd_ref	ref;	/* 0xffff == missing drive */
1301 		uint16_t		fw_state;	/* MFI_PD_STATE_* */
1302 		struct {
1303 			uint8_t		pd;
1304 			uint8_t		slot;
1305 		} encl;
1306 	} pd[MFI_MAX_ROW_SIZE];
1307 } __packed;
1308 
1309 struct mfi_config_data {
1310 	uint32_t		size;
1311 	uint16_t		array_count;
1312 	uint16_t		array_size;
1313 	uint16_t		log_drv_count;
1314 	uint16_t		log_drv_size;
1315 	uint16_t		spares_count;
1316 	uint16_t		spares_size;
1317 	uint8_t			reserved[16];
1318 	struct mfi_array	array[0];
1319 	struct mfi_ld_config	ld[0];
1320 	struct mfi_spare	spare[0];
1321 } __packed;
1322 
1323 struct mfi_bbu_capacity_info {
1324 	uint16_t		relative_charge;
1325 	uint16_t		absolute_charge;
1326 	uint16_t		remaining_capacity;
1327 	uint16_t		full_charge_capacity;
1328 	uint16_t		run_time_to_empty;
1329 	uint16_t		average_time_to_empty;
1330 	uint16_t		average_time_to_full;
1331 	uint16_t		cycle_count;
1332 	uint16_t		max_error;
1333 	uint16_t		remaining_capacity_alarm;
1334 	uint16_t		remaining_time_alarm;
1335 	uint8_t			reserved[26];
1336 } __packed;
1337 
1338 struct mfi_bbu_design_info {
1339 	uint32_t		mfg_date;
1340 	uint16_t		design_capacity;
1341 	uint16_t		design_voltage;
1342 	uint16_t		spec_info;
1343 	uint16_t		serial_number;
1344 	uint16_t		pack_stat_config;
1345 	uint8_t			mfg_name[12];
1346 	uint8_t			device_name[8];
1347 	uint8_t			device_chemistry[8];
1348 	uint8_t			mfg_data[8];
1349 	uint8_t			reserved[17];
1350 } __packed;
1351 
1352 struct mfi_ibbu_state {
1353 	uint16_t		gas_guage_status;
1354 	uint16_t		relative_charge;
1355 	uint16_t		charger_system_state;
1356 	uint16_t		charger_system_ctrl;
1357 	uint16_t		charging_current;
1358 	uint16_t		absolute_charge;
1359 	uint16_t		max_error;
1360 	uint8_t			reserved[18];
1361 } __packed;
1362 
1363 struct mfi_bbu_state {
1364 	uint16_t		gas_guage_status;
1365 	uint16_t		relative_charge;
1366 	uint16_t		charger_status;
1367 	uint16_t		remaining_capacity;
1368 	uint16_t		full_charge_capacity;
1369 	uint8_t			is_SOH_good;
1370 	uint8_t			reserved[21];
1371 } __packed;
1372 
1373 struct mfi_bbu_properties {
1374 	uint32_t		auto_learn_period;
1375 	uint32_t		next_learn_time;
1376 	uint8_t			learn_delay_interval;
1377 	uint8_t			auto_learn_mode;
1378 	uint8_t			bbu_mode;
1379 	uint8_t			reserved[21];
1380 } __packed;
1381 
1382 union mfi_bbu_status_detail {
1383 	struct mfi_ibbu_state	ibbu;
1384 	struct mfi_bbu_state	bbu;
1385 };
1386 
1387 struct mfi_bbu_status {
1388 	uint8_t			battery_type;
1389 #define	MFI_BBU_TYPE_NONE	0
1390 #define	MFI_BBU_TYPE_IBBU	1
1391 #define	MFI_BBU_TYPE_BBU	2
1392 	uint8_t			reserved;
1393 	uint16_t		voltage;
1394 	int16_t			current;
1395 	uint16_t		temperature;
1396 	uint32_t		fw_status;
1397 #define	MFI_BBU_STATE_PACK_MISSING	(1 << 0)
1398 #define	MFI_BBU_STATE_VOLTAGE_LOW	(1 << 1)
1399 #define	MFI_BBU_STATE_TEMPERATURE_HIGH	(1 << 2)
1400 #define	MFI_BBU_STATE_CHARGE_ACTIVE	(1 << 3)
1401 #define	MFI_BBU_STATE_DISCHARGE_ACTIVE	(1 << 4)
1402 #define	MFI_BBU_STATE_LEARN_CYC_REQ	(1 << 5)
1403 #define	MFI_BBU_STATE_LEARN_CYC_ACTIVE	(1 << 6)
1404 #define	MFI_BBU_STATE_LEARN_CYC_FAIL	(1 << 7)
1405 #define	MFI_BBU_STATE_LEARN_CYC_TIMEOUT	(1 << 8)
1406 #define	MFI_BBU_STATE_I2C_ERR_DETECT	(1 << 9)
1407 	uint8_t			pad[20];
1408 	union mfi_bbu_status_detail detail;
1409 } __packed;
1410 
1411 enum mfi_pr_state {
1412 	MFI_PR_STATE_STOPPED = 0,
1413 	MFI_PR_STATE_READY = 1,
1414 	MFI_PR_STATE_ACTIVE = 2,
1415 	MFI_PR_STATE_ABORTED = 0xff
1416 };
1417 
1418 struct mfi_pr_status {
1419 	uint32_t		num_iteration;
1420 	uint8_t			state;
1421 	uint8_t			num_pd_done;
1422 	uint8_t			reserved[10];
1423 };
1424 
1425 enum mfi_pr_opmode {
1426 	MFI_PR_OPMODE_AUTO = 0,
1427 	MFI_PR_OPMODE_MANUAL = 1,
1428 	MFI_PR_OPMODE_DISABLED = 2
1429 };
1430 
1431 struct mfi_pr_properties {
1432 	uint8_t			op_mode;
1433 	uint8_t			max_pd;
1434 	uint8_t			reserved;
1435 	uint8_t			exclude_ld_count;
1436 	uint16_t		excluded_ld[MFI_MAX_LD];
1437 	uint8_t			cur_pd_map[MFI_MAX_PD / 8];
1438 	uint8_t			last_pd_map[MFI_MAX_PD / 8];
1439 	uint32_t		next_exec;
1440 	uint32_t		exec_freq;
1441 	uint32_t		clear_freq;
1442 };
1443 
1444 /* ThunderBolt support */
1445 
1446 /*
1447  * Raid Context structure which describes MegaRAID specific IO Paramenters
1448  * This resides at offset 0x60 where the SGL normally starts in MPT IO Frames
1449  */
1450 typedef struct _MPI2_SCSI_IO_VENDOR_UNIQUE {
1451 	uint16_t	resvd0;		/* 0x00 - 0x01 */
1452 	uint16_t	timeoutValue;	/* 0x02 - 0x03 */
1453 	uint8_t		regLockFlags;
1454 	uint8_t		armId;
1455 	uint16_t	TargetID;	/* 0x06 - 0x07 */
1456 
1457 	uint64_t	RegLockLBA;	/* 0x08 - 0x0F */
1458 
1459 	uint32_t	RegLockLength;	/* 0x10 - 0x13 */
1460 
1461 	uint16_t	SMID;		/* 0x14 - 0x15 nextLMId */
1462 	uint8_t		exStatus;	/* 0x16 */
1463 	uint8_t		Status;		/* 0x17 status */
1464 
1465 	uint8_t		RAIDFlags;	/* 0x18 */
1466 	uint8_t		numSGE;		/* 0x19 numSge */
1467 	uint16_t	configSeqNum;	/* 0x1A - 0x1B */
1468 	uint8_t		spanArm;	/* 0x1C */
1469 	uint8_t		resvd2[3];	/* 0x1D - 0x1F */
1470 } MPI2_SCSI_IO_VENDOR_UNIQUE, MPI25_SCSI_IO_VENDOR_UNIQUE;
1471 
1472 /*****************************************************************************
1473 *
1474 *        Message Functions
1475 *
1476 *****************************************************************************/
1477 
1478 #define NA_MPI2_FUNCTION_SCSI_IO_REQUEST            (0x00) /* SCSI IO */
1479 #define MPI2_FUNCTION_SCSI_TASK_MGMT                (0x01) /* SCSI Task Management */
1480 #define MPI2_FUNCTION_IOC_INIT                      (0x02) /* IOC Init */
1481 #define MPI2_FUNCTION_IOC_FACTS                     (0x03) /* IOC Facts */
1482 #define MPI2_FUNCTION_CONFIG                        (0x04) /* Configuration */
1483 #define MPI2_FUNCTION_PORT_FACTS                    (0x05) /* Port Facts */
1484 #define MPI2_FUNCTION_PORT_ENABLE                   (0x06) /* Port Enable */
1485 #define MPI2_FUNCTION_EVENT_NOTIFICATION            (0x07) /* Event Notification */
1486 #define MPI2_FUNCTION_EVENT_ACK                     (0x08) /* Event Acknowledge */
1487 #define MPI2_FUNCTION_FW_DOWNLOAD                   (0x09) /* FW Download */
1488 #define MPI2_FUNCTION_TARGET_ASSIST                 (0x0B) /* Target Assist */
1489 #define MPI2_FUNCTION_TARGET_STATUS_SEND            (0x0C) /* Target Status Send */
1490 #define MPI2_FUNCTION_TARGET_MODE_ABORT             (0x0D) /* Target Mode Abort */
1491 #define MPI2_FUNCTION_FW_UPLOAD                     (0x12) /* FW Upload */
1492 #define MPI2_FUNCTION_RAID_ACTION                   (0x15) /* RAID Action */
1493 #define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH      (0x16) /* SCSI IO RAID Passthrough */
1494 #define MPI2_FUNCTION_TOOLBOX                       (0x17) /* Toolbox */
1495 #define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR      (0x18) /* SCSI Enclosure Processor */
1496 #define MPI2_FUNCTION_SMP_PASSTHROUGH               (0x1A) /* SMP Passthrough */
1497 #define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL           (0x1B) /* SAS IO Unit Control */
1498 #define MPI2_FUNCTION_SATA_PASSTHROUGH              (0x1C) /* SATA Passthrough */
1499 #define MPI2_FUNCTION_DIAG_BUFFER_POST              (0x1D) /* Diagnostic Buffer Post */
1500 #define MPI2_FUNCTION_DIAG_RELEASE                  (0x1E) /* Diagnostic Release */
1501 #define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST      (0x24) /* Target Command Buffer Post Base */
1502 #define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST      (0x25) /* Target Command Buffer Post List */
1503 #define MPI2_FUNCTION_RAID_ACCELERATOR              (0x2C) /* RAID Accelerator */
1504 #define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION   (0x2F) /* Host Based Discovery Action */
1505 #define MPI2_FUNCTION_PWR_MGMT_CONTROL              (0x30) /* Power Management Control */
1506 #define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC          (0xF0) /* beginning of product-specific range */
1507 #define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC          (0xFF) /* end of product-specific range */
1508 
1509 /* Doorbell functions */
1510 #define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET        (0x40)
1511 #define MPI2_FUNCTION_HANDSHAKE                     (0x42)
1512 
1513 /*****************************************************************************
1514 *
1515 *        MPI Version Definitions
1516 *
1517 *****************************************************************************/
1518 
1519 #define MPI2_VERSION_MAJOR                  (0x02)
1520 #define MPI2_VERSION_MINOR                  (0x00)
1521 #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
1522 #define MPI2_VERSION_MAJOR_SHIFT            (8)
1523 #define MPI2_VERSION_MINOR_MASK             (0x00FF)
1524 #define MPI2_VERSION_MINOR_SHIFT            (0)
1525 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) |   \
1526                                       MPI2_VERSION_MINOR)
1527 
1528 #define MPI2_VERSION_02_00                  (0x0200)
1529 
1530 /* versioning for this MPI header set */
1531 #define MPI2_HEADER_VERSION_UNIT            (0x10)
1532 #define MPI2_HEADER_VERSION_DEV             (0x00)
1533 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
1534 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
1535 #define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
1536 #define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
1537 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) |		\
1538 					MPI2_HEADER_VERSION_DEV)
1539 
1540 
1541 /* IOCInit Request message */
1542 struct MPI2_IOC_INIT_REQUEST {
1543 	uint8_t		WhoInit;                        /* 0x00 */
1544 	uint8_t		Reserved1;                      /* 0x01 */
1545 	uint8_t		ChainOffset;                    /* 0x02 */
1546 	uint8_t		Function;                       /* 0x03 */
1547 	uint16_t	Reserved2;                      /* 0x04 */
1548 	uint8_t		Reserved3;                      /* 0x06 */
1549 	uint8_t		MsgFlags;                       /* 0x07 */
1550 	uint8_t		VP_ID;                          /* 0x08 */
1551 	uint8_t		VF_ID;                          /* 0x09 */
1552 	uint16_t	Reserved4;                      /* 0x0A */
1553 	uint16_t	MsgVersion;                     /* 0x0C */
1554 	uint16_t	HeaderVersion;                  /* 0x0E */
1555 	uint32_t	Reserved5;                      /* 0x10 */
1556 	uint16_t	Reserved6;                      /* 0x14 */
1557 	uint8_t		Reserved7;                      /* 0x16 */
1558 	uint8_t		HostMSIxVectors;                /* 0x17 */
1559 	uint16_t	Reserved8;                      /* 0x18 */
1560 	uint16_t	SystemRequestFrameSize;         /* 0x1A */
1561 	uint16_t	ReplyDescriptorPostQueueDepth;  /* 0x1C */
1562 	uint16_t	ReplyFreeQueueDepth;            /* 0x1E */
1563 	uint32_t	SenseBufferAddressHigh;         /* 0x20 */
1564 	uint32_t	SystemReplyAddressHigh;         /* 0x24 */
1565 	uint64_t	SystemRequestFrameBaseAddress;  /* 0x28 */
1566 	uint64_t	ReplyDescriptorPostQueueAddress;/* 0x30 */
1567 	uint64_t	ReplyFreeQueueAddress;          /* 0x38 */
1568 	uint64_t	TimeStamp;                      /* 0x40 */
1569 };
1570 
1571 /* WhoInit values */
1572 #define MPI2_WHOINIT_NOT_INITIALIZED            (0x00)
1573 #define MPI2_WHOINIT_SYSTEM_BIOS                (0x01)
1574 #define MPI2_WHOINIT_ROM_BIOS                   (0x02)
1575 #define MPI2_WHOINIT_PCI_PEER                   (0x03)
1576 #define MPI2_WHOINIT_HOST_DRIVER                (0x04)
1577 #define MPI2_WHOINIT_MANUFACTURER               (0x05)
1578 
1579 struct MPI2_SGE_CHAIN_UNION {
1580 	uint16_t	Length;
1581 	uint8_t		NextChainOffset;
1582 	uint8_t		Flags;
1583 	union {
1584 		uint32_t	Address32;
1585 		uint64_t	Address64;
1586 	} u;
1587 };
1588 
1589 struct MPI2_IEEE_SGE_SIMPLE32 {
1590 	uint32_t	Address;
1591 	uint32_t	FlagsLength;
1592 };
1593 
1594 struct MPI2_IEEE_SGE_SIMPLE64 {
1595 	uint64_t	Address;
1596 	uint32_t	Length;
1597 	uint16_t	Reserved1;
1598 	uint8_t		Reserved2;
1599 	uint8_t		Flags;
1600 };
1601 
1602 typedef union _MPI2_IEEE_SGE_SIMPLE_UNION {
1603 	struct MPI2_IEEE_SGE_SIMPLE32	Simple32;
1604 	struct MPI2_IEEE_SGE_SIMPLE64	Simple64;
1605 } MPI2_IEEE_SGE_SIMPLE_UNION;
1606 
1607 typedef struct _MPI2_SGE_SIMPLE_UNION {
1608 	uint32_t	FlagsLength;
1609 	union {
1610 		uint32_t	Address32;
1611 		uint64_t	Address64;
1612 	} u;
1613 } MPI2_SGE_SIMPLE_UNION;
1614 
1615 /****************************************************************************
1616 *  IEEE SGE field definitions and masks
1617 ****************************************************************************/
1618 
1619 /* Flags field bit definitions */
1620 
1621 #define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK   (0x80)
1622 
1623 #define MPI2_IEEE32_SGE_FLAGS_SHIFT             (24)
1624 
1625 #define MPI2_IEEE32_SGE_LENGTH_MASK             (0x00FFFFFF)
1626 
1627 /* Element Type */
1628 
1629 #define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT      (0x00)
1630 #define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT       (0x80)
1631 
1632 /* Data Location Address Space */
1633 
1634 #define MPI2_IEEE_SGE_FLAGS_ADDR_MASK           (0x03)
1635 #define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR         (0x00)
1636 #define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR         (0x01)
1637 #define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR         (0x02)
1638 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03)
1639 
1640 /* Address Size */
1641 
1642 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
1643 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
1644 
1645 /*******************/
1646 /* SCSI IO Control bits */
1647 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_MASK      (0xFC000000)
1648 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT     (26)
1649 
1650 #define MPI2_SCSIIO_CONTROL_DATADIRECTION_MASK  (0x03000000)
1651 #define MPI2_SCSIIO_CONTROL_NODATATRANSFER      (0x00000000)
1652 #define MPI2_SCSIIO_CONTROL_WRITE               (0x01000000)
1653 #define MPI2_SCSIIO_CONTROL_READ                (0x02000000)
1654 #define MPI2_SCSIIO_CONTROL_BIDIRECTIONAL       (0x03000000)
1655 
1656 #define MPI2_SCSIIO_CONTROL_TASKPRI_MASK        (0x00007800)
1657 #define MPI2_SCSIIO_CONTROL_TASKPRI_SHIFT       (11)
1658 
1659 #define MPI2_SCSIIO_CONTROL_TASKATTRIBUTE_MASK  (0x00000700)
1660 #define MPI2_SCSIIO_CONTROL_SIMPLEQ             (0x00000000)
1661 #define MPI2_SCSIIO_CONTROL_HEADOFQ             (0x00000100)
1662 #define MPI2_SCSIIO_CONTROL_ORDEREDQ            (0x00000200)
1663 #define MPI2_SCSIIO_CONTROL_ACAQ                (0x00000400)
1664 
1665 #define MPI2_SCSIIO_CONTROL_TLR_MASK            (0x000000C0)
1666 #define MPI2_SCSIIO_CONTROL_NO_TLR              (0x00000000)
1667 #define MPI2_SCSIIO_CONTROL_TLR_ON              (0x00000040)
1668 #define MPI2_SCSIIO_CONTROL_TLR_OFF             (0x00000080)
1669 
1670 /*******************/
1671 
1672 typedef struct {
1673 	uint8_t		CDB[20];                    /* 0x00 */
1674 	uint32_t	PrimaryReferenceTag;        /* 0x14 */
1675 	uint16_t	PrimaryApplicationTag;      /* 0x18 */
1676 	uint16_t	PrimaryApplicationTagMask;  /* 0x1A */
1677 	uint32_t	TransferLength;             /* 0x1C */
1678 } MPI2_SCSI_IO_CDB_EEDP32;
1679 
1680 
1681 typedef union _MPI2_IEEE_SGE_CHAIN_UNION {
1682 	struct MPI2_IEEE_SGE_SIMPLE32	Chain32;
1683 	struct MPI2_IEEE_SGE_SIMPLE64	Chain64;
1684 } MPI2_IEEE_SGE_CHAIN_UNION;
1685 
1686 typedef union _MPI2_SIMPLE_SGE_UNION {
1687 	MPI2_SGE_SIMPLE_UNION		MpiSimple;
1688 	MPI2_IEEE_SGE_SIMPLE_UNION	IeeeSimple;
1689 } MPI2_SIMPLE_SGE_UNION;
1690 
1691 typedef union _MPI2_SGE_IO_UNION {
1692 	MPI2_SGE_SIMPLE_UNION		MpiSimple;
1693 	struct MPI2_SGE_CHAIN_UNION	MpiChain;
1694 	MPI2_IEEE_SGE_SIMPLE_UNION	IeeeSimple;
1695 	MPI2_IEEE_SGE_CHAIN_UNION	IeeeChain;
1696 } MPI2_SGE_IO_UNION;
1697 
1698 typedef union {
1699 	uint8_t			CDB32[32];
1700 	MPI2_SCSI_IO_CDB_EEDP32	EEDP32;
1701 	MPI2_SGE_SIMPLE_UNION	SGE;
1702 } MPI2_SCSI_IO_CDB_UNION;
1703 
1704 
1705 /* MPI 2.5 SGLs */
1706 
1707 #define MPI25_IEEE_SGE_FLAGS_END_OF_LIST        (0x40)
1708 
1709 typedef struct _MPI25_IEEE_SGE_CHAIN64 {
1710 	uint64_t	Address;
1711 	uint32_t	Length;
1712 	uint16_t	Reserved1;
1713 	uint8_t		NextChainOffset;
1714 	uint8_t		Flags;
1715 } MPI25_IEEE_SGE_CHAIN64, *pMpi25IeeeSgeChain64_t;
1716 
1717 /* use MPI2_IEEE_SGE_FLAGS_ defines for the Flags field */
1718 
1719 
1720 /********/
1721 
1722 /*
1723  * RAID SCSI IO Request Message
1724  * Total SGE count will be one less than  _MPI2_SCSI_IO_REQUEST
1725  */
1726 struct mfi_mpi2_request_raid_scsi_io {
1727 	uint16_t		DevHandle;                      /* 0x00 */
1728 	uint8_t			ChainOffset;                    /* 0x02 */
1729 	uint8_t			Function;                       /* 0x03 */
1730 	uint16_t		Reserved1;                      /* 0x04 */
1731 	uint8_t			Reserved2;                      /* 0x06 */
1732 	uint8_t			MsgFlags;                       /* 0x07 */
1733 	uint8_t			VP_ID;                          /* 0x08 */
1734 	uint8_t			VF_ID;                          /* 0x09 */
1735 	uint16_t		Reserved3;                      /* 0x0A */
1736 	uint32_t		SenseBufferLowAddress;          /* 0x0C */
1737 	uint16_t		SGLFlags;                       /* 0x10 */
1738 	uint8_t			SenseBufferLength;              /* 0x12 */
1739 	uint8_t			Reserved4;                      /* 0x13 */
1740 	uint8_t			SGLOffset0;                     /* 0x14 */
1741 	uint8_t			SGLOffset1;                     /* 0x15 */
1742 	uint8_t			SGLOffset2;                     /* 0x16 */
1743 	uint8_t			SGLOffset3;                     /* 0x17 */
1744 	uint32_t		SkipCount;                      /* 0x18 */
1745 	uint32_t		DataLength;                     /* 0x1C */
1746 	uint32_t		BidirectionalDataLength;        /* 0x20 */
1747 	uint16_t		IoFlags;                        /* 0x24 */
1748 	uint16_t		EEDPFlags;                      /* 0x26 */
1749 	uint32_t		EEDPBlockSize;                  /* 0x28 */
1750 	uint32_t		SecondaryReferenceTag;          /* 0x2C */
1751 	uint16_t		SecondaryApplicationTag;        /* 0x30 */
1752 	uint16_t		ApplicationTagTranslationMask;  /* 0x32 */
1753 	uint8_t			LUN[8];                         /* 0x34 */
1754 	uint32_t		Control;                        /* 0x3C */
1755 	MPI2_SCSI_IO_CDB_UNION	CDB;                            /* 0x40 */
1756 	MPI2_SCSI_IO_VENDOR_UNIQUE	RaidContext;              /* 0x60 */
1757 	MPI2_SGE_IO_UNION	SGL;                            /* 0x80 */
1758 } __packed;
1759 
1760 /*
1761  * MPT RAID MFA IO Descriptor.
1762  */
1763 typedef struct _MFI_RAID_MFA_IO_DESCRIPTOR {
1764 	uint32_t	RequestFlags : 8;
1765 	uint32_t	MessageAddress1 : 24; /* bits 31:8*/
1766 	uint32_t	MessageAddress2;      /* bits 61:32 */
1767 } MFI_RAID_MFA_IO_REQUEST_DESCRIPTOR,*PMFI_RAID_MFA_IO_REQUEST_DESCRIPTOR;
1768 
1769 struct mfi_mpi2_request_header {
1770 	uint8_t		RequestFlags;       /* 0x00 */
1771 	uint8_t		MSIxIndex;          /* 0x01 */
1772 	uint16_t	SMID;               /* 0x02 */
1773 	uint16_t	LMID;               /* 0x04 */
1774 };
1775 
1776 /* defines for the RequestFlags field */
1777 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK               (0x0E)
1778 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
1779 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET             (0x02)
1780 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY           (0x06)
1781 #define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE            (0x08)
1782 #define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR        (0x0A)
1783 
1784 #define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER (0x01)
1785 
1786 struct mfi_mpi2_request_high_priority {
1787 	struct mfi_mpi2_request_header	header;
1788 	uint16_t			reserved;
1789 };
1790 
1791 struct mfi_mpi2_request_scsi_io {
1792 	struct mfi_mpi2_request_header	header;
1793 	uint16_t			scsi_io_dev_handle;
1794 };
1795 
1796 struct mfi_mpi2_request_scsi_target {
1797 	struct mfi_mpi2_request_header	header;
1798 	uint16_t			scsi_target_io_index;
1799 };
1800 
1801 /* Request Descriptors */
1802 union mfi_mpi2_request_descriptor {
1803 	struct mfi_mpi2_request_header		header;
1804 	struct mfi_mpi2_request_high_priority	high_priority;
1805 	struct mfi_mpi2_request_scsi_io		scsi_io;
1806 	struct mfi_mpi2_request_scsi_target	scsi_target;
1807 	uint64_t				words;
1808 };
1809 
1810 
1811 struct mfi_mpi2_reply_header {
1812 	uint8_t		ReplyFlags;                 /* 0x00 */
1813 	uint8_t		MSIxIndex;                  /* 0x01 */
1814 	uint16_t	SMID;                       /* 0x02 */
1815 };
1816 
1817 /* defines for the ReplyFlags field */
1818 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK                   (0x0F)
1819 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS             (0x00)
1820 #define MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY               (0x01)
1821 #define MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS        (0x02)
1822 #define MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER       (0x03)
1823 #define MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS    (0x05)
1824 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED                      (0x0F)
1825 
1826 /* values for marking a reply descriptor as unused */
1827 #define MPI2_RPY_DESCRIPT_UNUSED_WORD0_MARK             (0xFFFFFFFF)
1828 #define MPI2_RPY_DESCRIPT_UNUSED_WORD1_MARK             (0xFFFFFFFF)
1829 
1830 struct mfi_mpi2_reply_default {
1831 	struct mfi_mpi2_reply_header	header;
1832 	uint32_t			DescriptorTypeDependent2;
1833 };
1834 
1835 struct mfi_mpi2_reply_address {
1836 	struct mfi_mpi2_reply_header	header;
1837 	uint32_t			ReplyFrameAddress;
1838 };
1839 
1840 struct mfi_mpi2_reply_scsi_io {
1841 	struct mfi_mpi2_reply_header	header;
1842 	uint16_t			TaskTag;		/* 0x04 */
1843 	uint16_t			Reserved1;		/* 0x06 */
1844 };
1845 
1846 struct mfi_mpi2_reply_target_assist {
1847 	struct mfi_mpi2_reply_header	header;
1848 	uint8_t				SequenceNumber;		/* 0x04 */
1849 	uint8_t				Reserved1;		/* 0x04 */
1850 	uint16_t			IoIndex;		/* 0x06 */
1851 };
1852 
1853 struct mfi_mpi2_reply_target_cmd_buffer {
1854 	struct mfi_mpi2_reply_header	header;
1855 	uint8_t				SequenceNumber;		/* 0x04 */
1856 	uint8_t				Flags;			/* 0x04 */
1857 	uint16_t			InitiatorDevHandle;	/* 0x06 */
1858 	uint16_t			IoIndex;		/* 0x06 */
1859 };
1860 
1861 struct mfi_mpi2_reply_raid_accel {
1862 	struct mfi_mpi2_reply_header	header;
1863 	uint8_t				SequenceNumber;		/* 0x04 */
1864 	uint32_t			Reserved;		/* 0x04 */
1865 };
1866 
1867 /* union of Reply Descriptors */
1868 union mfi_mpi2_reply_descriptor {
1869 	struct mfi_mpi2_reply_header		header;
1870 	struct mfi_mpi2_reply_scsi_io		scsi_io;
1871 	struct mfi_mpi2_reply_target_assist	target_assist;
1872 	struct mfi_mpi2_reply_target_cmd_buffer	target_cmd;
1873 	struct mfi_mpi2_reply_raid_accel	raid_accel;
1874 	struct mfi_mpi2_reply_default		reply_default;
1875 	uint64_t				words;
1876 };
1877 
1878 struct IO_REQUEST_INFO {
1879 	uint64_t	ldStartBlock;
1880 	uint32_t	numBlocks;
1881 	uint16_t	ldTgtId;
1882 	uint8_t		isRead;
1883 	uint16_t	devHandle;
1884 	uint64_t	pdBlock;
1885 	uint8_t		fpOkForIo;
1886 };
1887 
1888 #define MFI_SCSI_MAX_TARGETS	128
1889 #define MFI_SCSI_MAX_LUNS	8
1890 #define MFI_SCSI_INITIATOR_ID	255
1891 #define MFI_SCSI_MAX_CMDS	8
1892 #define MFI_SCSI_MAX_CDB_LEN	16
1893 
1894 #endif /* _MFIREG_H */
1895