xref: /freebsd/sys/dev/mfi/mfireg.h (revision 0b57cec536236d46e3dba9bd041533462f33dbb7)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD AND BSD-2-Clause
3  *
4  * Copyright (c) 2006 IronPort Systems
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 /*-
29  * Copyright (c) 2007 LSI Corp.
30  * Copyright (c) 2007 Rajesh Prabhakaran.
31  * All rights reserved.
32  *
33  * Redistribution and use in source and binary forms, with or without
34  * modification, are permitted provided that the following conditions
35  * are met:
36  * 1. Redistributions of source code must retain the above copyright
37  *    notice, this list of conditions and the following disclaimer.
38  * 2. Redistributions in binary form must reproduce the above copyright
39  *    notice, this list of conditions and the following disclaimer in the
40  *    documentation and/or other materials provided with the distribution.
41  *
42  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
43  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
44  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
45  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
46  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
47  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
48  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
50  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
51  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52  * SUCH DAMAGE.
53  */
54 
55 #ifndef _MFIREG_H
56 #define _MFIREG_H
57 
58 #include <sys/cdefs.h>
59 __FBSDID("$FreeBSD$");
60 
61 /*
62  * MegaRAID SAS MFI firmware definitions
63  *
64  * Calling this driver 'MegaRAID SAS' is a bit misleading.  It's a completely
65  * new firmware interface from the old AMI MegaRAID one, and there is no
66  * reason why this interface should be limited to just SAS.  In any case, LSI
67  * seems to also call this interface 'MFI', so that will be used here.
68  */
69 #define MEGAMFI_FRAME_SIZE              64
70 /*
71  * Start with the register set.  All registers are 32 bits wide.
72  * The usual Intel IOP style setup.
73  */
74 #define MFI_IMSG0	0x10	/* Inbound message 0 */
75 #define MFI_IMSG1	0x14	/* Inbound message 1 */
76 #define MFI_OMSG0	0x18	/* Outbound message 0 */
77 #define MFI_OMSG1	0x1c	/* Outbound message 1 */
78 #define MFI_IDB		0x20	/* Inbound doorbell */
79 #define MFI_ISTS	0x24	/* Inbound interrupt status */
80 #define MFI_IMSK	0x28	/* Inbound interrupt mask */
81 #define MFI_ODB		0x2c	/* Outbound doorbell */
82 #define MFI_OSTS	0x30	/* Outbound interrupt status */
83 #define MFI_OMSK	0x34	/* Outbound interrupt mask */
84 #define MFI_IQP		0x40	/* Inbound queue port */
85 #define MFI_OQP		0x44	/* Outbound queue port */
86 
87 /*
88 *  ThunderBolt specific Register
89 */
90 
91 #define MFI_RFPI	0x48 		/* reply_free_post_host_index */
92 #define MFI_RPI		0x6c 		/* reply_post_host_index */
93 #define MFI_ILQP 	0xc0		/* inbound_low_queue_port */
94 #define MFI_IHQP 	0xc4		/* inbound_high_queue_port */
95 
96 /*
97  * 1078 specific related register
98  */
99 #define MFI_ODR0	0x9c 		/* outbound doorbell register0 */
100 #define MFI_ODCR0	0xa0 		/* outbound doorbell clear register0  */
101 #define MFI_OSP0	0xb0 		/* outbound scratch pad0  */
102 #define MFI_1078_EIM	0x80000004 	/* 1078 enable intrrupt mask  */
103 #define MFI_RMI		0x2 		/* reply message interrupt  */
104 #define MFI_1078_RM	0x80000000 	/* reply 1078 message interrupt  */
105 #define MFI_ODC		0x4 		/* outbound doorbell change interrupt */
106 
107 /* OCR registers */
108 #define MFI_WSR		0x004		/* write sequence register */
109 #define MFI_HDR		0x008		/* host diagnostic register */
110 #define MFI_RSR		0x3c3		/* Reset Status Register */
111 
112 /*
113  * GEN2 specific changes
114  */
115 #define MFI_GEN2_EIM	0x00000005	/* GEN2 enable interrupt mask */
116 #define MFI_GEN2_RM	0x00000001	/* reply GEN2 message interrupt */
117 
118 /*
119  * skinny specific changes
120  */
121 #define MFI_SKINNY_IDB	0x00	/* Inbound doorbell is at 0x00 for skinny */
122 #define MFI_IQPL	0x000000c0
123 #define MFI_IQPH	0x000000c4
124 #define MFI_SKINNY_RM	0x00000001	/* reply skinny message interrupt */
125 
126 /* Bits for MFI_OSTS */
127 #define MFI_OSTS_INTR_VALID	0x00000002
128 
129 /* OCR specific flags */
130 #define MFI_FIRMWARE_STATE_CHANGE	0x00000002
131 #define MFI_STATE_CHANGE_INTERRUPT	0x00000004  /* MFI state change interrrupt */
132 
133 /*
134  * Firmware state values.  Found in OMSG0 during initialization.
135  */
136 #define MFI_FWSTATE_MASK		0xf0000000
137 #define MFI_FWSTATE_UNDEFINED		0x00000000
138 #define MFI_FWSTATE_BB_INIT		0x10000000
139 #define MFI_FWSTATE_FW_INIT		0x40000000
140 #define MFI_FWSTATE_WAIT_HANDSHAKE	0x60000000
141 #define MFI_FWSTATE_FW_INIT_2		0x70000000
142 #define MFI_FWSTATE_DEVICE_SCAN		0x80000000
143 #define MFI_FWSTATE_BOOT_MESSAGE_PENDING	0x90000000
144 #define MFI_FWSTATE_FLUSH_CACHE		0xa0000000
145 #define MFI_FWSTATE_READY		0xb0000000
146 #define MFI_FWSTATE_OPERATIONAL		0xc0000000
147 #define MFI_FWSTATE_FAULT		0xf0000000
148 #define MFI_FWSTATE_MAXSGL_MASK		0x00ff0000
149 #define MFI_FWSTATE_MAXCMD_MASK		0x0000ffff
150 #define MFI_FWSTATE_HOSTMEMREQD_MASK	0x08000000
151 #define MFI_FWSTATE_BOOT_MESSAGE_PENDING	0x90000000
152 #define MFI_RESET_REQUIRED		0x00000001
153 
154 /* ThunderBolt Support */
155 #define MFI_FWSTATE_TB_MASK		0xf0000000
156 #define MFI_FWSTATE_TB_RESET		0x00000000
157 #define MFI_FWSTATE_TB_READY		0x10000000
158 #define MFI_FWSTATE_TB_OPERATIONAL	0x20000000
159 #define MFI_FWSTATE_TB_FAULT		0x40000000
160 
161 /*
162  * Control bits to drive the card to ready state.  These go into the IDB
163  * register.
164  */
165 #define MFI_FWINIT_ABORT	0x00000000 /* Abort all pending commands */
166 #define MFI_FWINIT_READY	0x00000002 /* Move from operational to ready */
167 #define MFI_FWINIT_MFIMODE	0x00000004 /* unknown */
168 #define MFI_FWINIT_CLEAR_HANDSHAKE 0x00000008 /* Respond to WAIT_HANDSHAKE */
169 #define MFI_FWINIT_HOTPLUG	0x00000010
170 
171 /* ADP reset flags */
172 #define MFI_STOP_ADP		0x00000020
173 #define MFI_ADP_RESET		0x00000040
174 #define DIAG_WRITE_ENABLE	0x00000080
175 #define DIAG_RESET_ADAPTER	0x00000004
176 
177 /* MFI Commands */
178 typedef enum {
179 	MFI_CMD_INIT =		0x00,
180 	MFI_CMD_LD_READ,
181 	MFI_CMD_LD_WRITE,
182 	MFI_CMD_LD_SCSI_IO,
183 	MFI_CMD_PD_SCSI_IO,
184 	MFI_CMD_DCMD,
185 	MFI_CMD_ABORT,
186 	MFI_CMD_SMP,
187 	MFI_CMD_STP
188 } mfi_cmd_t;
189 
190 /* Direct commands */
191 typedef enum {
192 	MFI_DCMD_CTRL_GETINFO =		0x01010000,
193 	MFI_DCMD_CTRL_MFI_HOST_MEM_ALLOC =0x0100e100,
194 	MFI_DCMD_CTRL_MFC_DEFAULTS_GET =0x010e0201,
195 	MFI_DCMD_CTRL_MFC_DEFAULTS_SET =0x010e0202,
196 	MFI_DCMD_CTRL_FLUSHCACHE =	0x01101000,
197 	MFI_DCMD_CTRL_GET_PROPS =       0x01020100,
198 	MFI_DCMD_CTRL_SET_PROPS =       0x01020200,
199 	MFI_DCMD_CTRL_SHUTDOWN =	0x01050000,
200 	MFI_DCMD_CTRL_EVENT_GETINFO =	0x01040100,
201 	MFI_DCMD_CTRL_EVENT_GET =	0x01040300,
202 	MFI_DCMD_CTRL_EVENT_WAIT =	0x01040500,
203 	MFI_DCMD_PR_GET_STATUS =	0x01070100,
204 	MFI_DCMD_PR_GET_PROPERTIES =	0x01070200,
205 	MFI_DCMD_PR_SET_PROPERTIES =	0x01070300,
206 	MFI_DCMD_PR_START =		0x01070400,
207 	MFI_DCMD_PR_STOP =		0x01070500,
208 	MFI_DCMD_TIME_SECS_GET =	0x01080201,
209 	MFI_DCMD_FLASH_FW_OPEN =	0x010f0100,
210 	MFI_DCMD_FLASH_FW_DOWNLOAD =	0x010f0200,
211 	MFI_DCMD_FLASH_FW_FLASH =	0x010f0300,
212 	MFI_DCMD_FLASH_FW_CLOSE =	0x010f0400,
213 	MFI_DCMD_PD_GET_LIST =		0x02010000,
214 	MFI_DCMD_PD_LIST_QUERY =	0x02010100,
215 	MFI_DCMD_PD_GET_INFO = 		0x02020000,
216 	MFI_DCMD_PD_STATE_SET =		0x02030100,
217 	MFI_DCMD_PD_REBUILD_START =	0x02040100,
218 	MFI_DCMD_PD_REBUILD_ABORT =	0x02040200,
219 	MFI_DCMD_PD_CLEAR_START =	0x02050100,
220 	MFI_DCMD_PD_CLEAR_ABORT =	0x02050200,
221 	MFI_DCMD_PD_GET_PROGRESS =	0x02060000,
222 	MFI_DCMD_PD_LOCATE_START =	0x02070100,
223 	MFI_DCMD_PD_LOCATE_STOP =	0x02070200,
224 	MFI_DCMD_LD_MAP_GET_INFO =	0x0300e101,
225 	MFI_DCMD_LD_SYNC =		0x0300e102,
226 	MFI_DCMD_LD_GET_LIST =		0x03010000,
227 	MFI_DCMD_LD_GET_INFO =		0x03020000,
228 	MFI_DCMD_LD_GET_PROP =		0x03030000,
229 	MFI_DCMD_LD_SET_PROP =		0x03040000,
230 	MFI_DCMD_LD_INIT_START =	0x03060100,
231 	MFI_DCMD_LD_DELETE =		0x03090000,
232 	MFI_DCMD_CFG_READ =		0x04010000,
233 	MFI_DCMD_CFG_ADD =		0x04020000,
234 	MFI_DCMD_CFG_CLEAR =		0x04030000,
235 	MFI_DCMD_CFG_MAKE_SPARE =	0x04040000,
236 	MFI_DCMD_CFG_REMOVE_SPARE =	0x04050000,
237 	MFI_DCMD_CFG_FOREIGN_SCAN =     0x04060100,
238 	MFI_DCMD_CFG_FOREIGN_DISPLAY =  0x04060200,
239 	MFI_DCMD_CFG_FOREIGN_PREVIEW =  0x04060300,
240 	MFI_DCMD_CFG_FOREIGN_IMPORT =	0x04060400,
241 	MFI_DCMD_CFG_FOREIGN_CLEAR =    0x04060500,
242 	MFI_DCMD_BBU_GET_STATUS =	0x05010000,
243 	MFI_DCMD_BBU_GET_CAPACITY_INFO =0x05020000,
244 	MFI_DCMD_BBU_GET_DESIGN_INFO =	0x05030000,
245 	MFI_DCMD_BBU_START_LEARN =	0x05040000,
246 	MFI_DCMD_BBU_GET_PROP =		0x05050100,
247 	MFI_DCMD_BBU_SET_PROP =		0x05050200,
248 	MFI_DCMD_CLUSTER =		0x08000000,
249 	MFI_DCMD_CLUSTER_RESET_ALL =	0x08010100,
250 	MFI_DCMD_CLUSTER_RESET_LD =	0x08010200
251 } mfi_dcmd_t;
252 
253 /* Modifiers for MFI_DCMD_CTRL_FLUSHCACHE */
254 #define MFI_FLUSHCACHE_CTRL	0x01
255 #define MFI_FLUSHCACHE_DISK	0x02
256 
257 /* Modifiers for MFI_DCMD_CTRL_SHUTDOWN */
258 #define MFI_SHUTDOWN_SPINDOWN	0x01
259 
260 /*
261  * MFI Frame flags
262  */
263 #define MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
264 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
265 #define MFI_FRAME_SGL32				0x0000
266 #define MFI_FRAME_SGL64				0x0002
267 #define MFI_FRAME_SENSE32			0x0000
268 #define MFI_FRAME_SENSE64			0x0004
269 #define MFI_FRAME_DIR_NONE			0x0000
270 #define MFI_FRAME_DIR_WRITE			0x0008
271 #define MFI_FRAME_DIR_READ			0x0010
272 #define MFI_FRAME_DIR_BOTH			0x0018
273 #define MFI_FRAME_IEEE_SGL			0x0020
274 #define MFI_FRAME_FMT "\20" \
275     "\1NOPOST" \
276     "\2SGL64" \
277     "\3SENSE64" \
278     "\4WRITE" \
279     "\5READ" \
280     "\6IEEESGL"
281 
282 /* ThunderBolt Specific */
283 
284 /*
285  * Pre-TB command size and TB command size.
286  * We will be checking it at the load time for the time being
287  */
288 #define MR_COMMAND_SIZE (MFI_FRAME_SIZE*20) /* 1280 bytes */
289 
290 #define MEGASAS_THUNDERBOLT_MSG_ALLIGNMENT  256
291 /*
292  * We are defining only 128 byte message to reduce memory move over head
293  * and also it will reduce the SRB extension size by 128byte compared with
294  * 256 message size
295  */
296 #define MEGASAS_THUNDERBOLT_NEW_MSG_SIZE	256
297 #define MEGASAS_THUNDERBOLT_MAX_COMMANDS	1024
298 #define MEGASAS_THUNDERBOLT_MAX_REPLY_COUNT	1024
299 #define MEGASAS_THUNDERBOLT_REPLY_SIZE		8
300 #define MEGASAS_THUNDERBOLT_MAX_CHAIN_COUNT	1
301 #define MEGASAS_MAX_SZ_CHAIN_FRAME		1024
302 
303 #define MPI2_FUNCTION_PASSTHRU_IO_REQUEST       0xF0
304 #define MPI2_FUNCTION_LD_IO_REQUEST             0xF1
305 
306 #define MR_INTERNAL_MFI_FRAMES_SMID             1
307 #define MR_CTRL_EVENT_WAIT_SMID                 2
308 #define MR_INTERNAL_DRIVER_RESET_SMID           3
309 
310 
311 /* MFI Status codes */
312 typedef enum {
313 	MFI_STAT_OK =			0x00,
314 	MFI_STAT_INVALID_CMD,
315 	MFI_STAT_INVALID_DCMD,
316 	MFI_STAT_INVALID_PARAMETER,
317 	MFI_STAT_INVALID_SEQUENCE_NUMBER,
318 	MFI_STAT_ABORT_NOT_POSSIBLE,
319 	MFI_STAT_APP_HOST_CODE_NOT_FOUND,
320 	MFI_STAT_APP_IN_USE,
321 	MFI_STAT_APP_NOT_INITIALIZED,
322 	MFI_STAT_ARRAY_INDEX_INVALID,
323 	MFI_STAT_ARRAY_ROW_NOT_EMPTY,
324 	MFI_STAT_CONFIG_RESOURCE_CONFLICT,
325 	MFI_STAT_DEVICE_NOT_FOUND,
326 	MFI_STAT_DRIVE_TOO_SMALL,
327 	MFI_STAT_FLASH_ALLOC_FAIL,
328 	MFI_STAT_FLASH_BUSY,
329 	MFI_STAT_FLASH_ERROR =		0x10,
330 	MFI_STAT_FLASH_IMAGE_BAD,
331 	MFI_STAT_FLASH_IMAGE_INCOMPLETE,
332 	MFI_STAT_FLASH_NOT_OPEN,
333 	MFI_STAT_FLASH_NOT_STARTED,
334 	MFI_STAT_FLUSH_FAILED,
335 	MFI_STAT_HOST_CODE_NOT_FOUNT,
336 	MFI_STAT_LD_CC_IN_PROGRESS,
337 	MFI_STAT_LD_INIT_IN_PROGRESS,
338 	MFI_STAT_LD_LBA_OUT_OF_RANGE,
339 	MFI_STAT_LD_MAX_CONFIGURED,
340 	MFI_STAT_LD_NOT_OPTIMAL,
341 	MFI_STAT_LD_RBLD_IN_PROGRESS,
342 	MFI_STAT_LD_RECON_IN_PROGRESS,
343 	MFI_STAT_LD_WRONG_RAID_LEVEL,
344 	MFI_STAT_MAX_SPARES_EXCEEDED,
345 	MFI_STAT_MEMORY_NOT_AVAILABLE =	0x20,
346 	MFI_STAT_MFC_HW_ERROR,
347 	MFI_STAT_NO_HW_PRESENT,
348 	MFI_STAT_NOT_FOUND,
349 	MFI_STAT_NOT_IN_ENCL,
350 	MFI_STAT_PD_CLEAR_IN_PROGRESS,
351 	MFI_STAT_PD_TYPE_WRONG,
352 	MFI_STAT_PR_DISABLED,
353 	MFI_STAT_ROW_INDEX_INVALID,
354 	MFI_STAT_SAS_CONFIG_INVALID_ACTION,
355 	MFI_STAT_SAS_CONFIG_INVALID_DATA,
356 	MFI_STAT_SAS_CONFIG_INVALID_PAGE,
357 	MFI_STAT_SAS_CONFIG_INVALID_TYPE,
358 	MFI_STAT_SCSI_DONE_WITH_ERROR,
359 	MFI_STAT_SCSI_IO_FAILED,
360 	MFI_STAT_SCSI_RESERVATION_CONFLICT,
361 	MFI_STAT_SHUTDOWN_FAILED =	0x30,
362 	MFI_STAT_TIME_NOT_SET,
363 	MFI_STAT_WRONG_STATE,
364 	MFI_STAT_LD_OFFLINE,
365 	MFI_STAT_PEER_NOTIFICATION_REJECTED,
366 	MFI_STAT_PEER_NOTIFICATION_FAILED,
367 	MFI_STAT_RESERVATION_IN_PROGRESS,
368 	MFI_STAT_I2C_ERRORS_DETECTED,
369 	MFI_STAT_PCI_ERRORS_DETECTED,
370 	MFI_STAT_DIAG_FAILED,
371 	MFI_STAT_BOOT_MSG_PENDING,
372 	MFI_STAT_FOREIGN_CONFIG_INCOMPLETE,
373 	MFI_STAT_INVALID_STATUS =	0xFF
374 } mfi_status_t;
375 
376 typedef enum {
377 	MFI_EVT_CLASS_DEBUG =		-2,
378 	MFI_EVT_CLASS_PROGRESS =	-1,
379 	MFI_EVT_CLASS_INFO =		0,
380 	MFI_EVT_CLASS_WARNING =		1,
381 	MFI_EVT_CLASS_CRITICAL =	2,
382 	MFI_EVT_CLASS_FATAL =		3,
383 	MFI_EVT_CLASS_DEAD =		4
384 } mfi_evt_class_t;
385 
386 typedef enum {
387 	MFI_EVT_LOCALE_LD =		0x0001,
388 	MFI_EVT_LOCALE_PD =		0x0002,
389 	MFI_EVT_LOCALE_ENCL =		0x0004,
390 	MFI_EVT_LOCALE_BBU =		0x0008,
391 	MFI_EVT_LOCALE_SAS =		0x0010,
392 	MFI_EVT_LOCALE_CTRL =		0x0020,
393 	MFI_EVT_LOCALE_CONFIG =		0x0040,
394 	MFI_EVT_LOCALE_CLUSTER =	0x0080,
395 	MFI_EVT_LOCALE_ALL =		0xffff
396 } mfi_evt_locale_t;
397 
398 typedef enum {
399 	MR_EVT_ARGS_NONE =		0x00,
400 	MR_EVT_ARGS_CDB_SENSE,
401 	MR_EVT_ARGS_LD,
402 	MR_EVT_ARGS_LD_COUNT,
403 	MR_EVT_ARGS_LD_LBA,
404 	MR_EVT_ARGS_LD_OWNER,
405 	MR_EVT_ARGS_LD_LBA_PD_LBA,
406 	MR_EVT_ARGS_LD_PROG,
407 	MR_EVT_ARGS_LD_STATE,
408 	MR_EVT_ARGS_LD_STRIP,
409 	MR_EVT_ARGS_PD,
410 	MR_EVT_ARGS_PD_ERR,
411 	MR_EVT_ARGS_PD_LBA,
412 	MR_EVT_ARGS_PD_LBA_LD,
413 	MR_EVT_ARGS_PD_PROG,
414 	MR_EVT_ARGS_PD_STATE,
415 	MR_EVT_ARGS_PCI,
416 	MR_EVT_ARGS_RATE,
417 	MR_EVT_ARGS_STR,
418 	MR_EVT_ARGS_TIME,
419 	MR_EVT_ARGS_ECC
420 } mfi_evt_args;
421 
422 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED	0x0152
423 #define MR_EVT_PD_REMOVED			0x0070
424 #define MR_EVT_PD_INSERTED			0x005b
425 #define MR_EVT_LD_CHANGE			0x0051
426 
427 typedef enum {
428 	MR_LD_CACHE_WRITE_BACK =	0x01,
429 	MR_LD_CACHE_WRITE_ADAPTIVE =	0x02,
430 	MR_LD_CACHE_READ_AHEAD =	0x04,
431 	MR_LD_CACHE_READ_ADAPTIVE =	0x08,
432 	MR_LD_CACHE_WRITE_CACHE_BAD_BBU=0x10,
433 	MR_LD_CACHE_ALLOW_WRITE_CACHE =	0x20,
434 	MR_LD_CACHE_ALLOW_READ_CACHE =	0x40
435 } mfi_ld_cache;
436 #define	MR_LD_CACHE_MASK	0x7f
437 
438 #define	MR_LD_CACHE_POLICY_READ_AHEAD_NONE		0
439 #define	MR_LD_CACHE_POLICY_READ_AHEAD_ALWAYS		MR_LD_CACHE_READ_AHEAD
440 #define	MR_LD_CACHE_POLICY_READ_AHEAD_ADAPTIVE		\
441 	(MR_LD_CACHE_READ_AHEAD | MR_LD_CACHE_READ_ADAPTIVE)
442 #define	MR_LD_CACHE_POLICY_WRITE_THROUGH		0
443 #define	MR_LD_CACHE_POLICY_WRITE_BACK			MR_LD_CACHE_WRITE_BACK
444 #define	MR_LD_CACHE_POLICY_IO_CACHED			\
445 	(MR_LD_CACHE_ALLOW_WRITE_CACHE | MR_LD_CACHE_ALLOW_READ_CACHE)
446 #define	MR_LD_CACHE_POLICY_IO_DIRECT			0
447 
448 typedef enum {
449 	MR_PD_CACHE_UNCHANGED  =	0,
450 	MR_PD_CACHE_ENABLE =		1,
451 	MR_PD_CACHE_DISABLE =		2
452 } mfi_pd_cache;
453 
454 typedef enum {
455 	MR_PD_QUERY_TYPE_ALL =		0,
456 	MR_PD_QUERY_TYPE_STATE =	1,
457 	MR_PD_QUERY_TYPE_POWER_STATE =	2,
458 	MR_PD_QUERY_TYPE_MEDIA_TYPE =	3,
459 	MR_PD_QUERY_TYPE_SPEED =	4,
460 	MR_PD_QUERY_TYPE_EXPOSED_TO_HOST = 5 /*query for system drives */
461 } mfi_pd_query_type;
462 
463 /*
464  * Other propertities and definitions
465  */
466 #define MFI_MAX_PD_CHANNELS	2
467 #define MFI_MAX_LD_CHANNELS	2
468 #define MFI_MAX_CHANNELS	(MFI_MAX_PD_CHANNELS + MFI_MAX_LD_CHANNELS)
469 #define MFI_MAX_CHANNEL_DEVS	128
470 #define MFI_DEFAULT_ID		-1
471 #define MFI_MAX_LUN		8
472 #define MFI_MAX_LD		64
473 #define	MFI_MAX_PD		256
474 
475 #define MFI_FRAME_SIZE		64
476 #define MFI_MBOX_SIZE		12
477 
478 /* Firmware flashing can take 50+ seconds */
479 #define MFI_POLL_TIMEOUT_SECS	60
480 
481 /* Allow for speedier math calculations */
482 #define MFI_SECTOR_LEN		512
483 
484 /* Scatter Gather elements */
485 struct mfi_sg32 {
486 	uint32_t	addr;
487 	uint32_t	len;
488 } __packed;
489 
490 struct mfi_sg64 {
491 	uint64_t	addr;
492 	uint32_t	len;
493 } __packed;
494 
495 struct mfi_sg_skinny {
496 	uint64_t	addr;
497 	uint32_t	len;
498 	uint32_t	flag;
499 } __packed;
500 
501 union mfi_sgl {
502 	struct mfi_sg32		sg32[1];
503 	struct mfi_sg64		sg64[1];
504 	struct mfi_sg_skinny	sg_skinny[1];
505 } __packed;
506 
507 /* Message frames.  All messages have a common header */
508 struct mfi_frame_header {
509 	uint8_t		cmd;
510 	uint8_t		sense_len;
511 	uint8_t		cmd_status;
512 	uint8_t		scsi_status;
513 	uint8_t		target_id;
514 	uint8_t		lun_id;
515 	uint8_t		cdb_len;
516 	uint8_t		sg_count;
517 	uint32_t	context;
518 	/*
519 	 * pad0 is MSI Specific. Not used by Driver. Zero the value before
520 	 * sending the command to f/w.
521 	 */
522 	uint32_t	pad0;
523 	uint16_t	flags;
524 #define MFI_FRAME_DATAOUT	0x08
525 #define MFI_FRAME_DATAIN	0x10
526 	uint16_t	timeout;
527 	uint32_t	data_len;
528 } __packed;
529 
530 struct mfi_init_frame {
531 	struct mfi_frame_header	header;
532 	uint32_t	qinfo_new_addr_lo;
533 	uint32_t	qinfo_new_addr_hi;
534 	uint32_t	qinfo_old_addr_lo;
535 	uint32_t	qinfo_old_addr_hi;
536 	// Start LSIP200113393
537 	uint32_t	driver_ver_lo;      /*28h */
538 	uint32_t	driver_ver_hi;      /*2Ch */
539 
540 	uint32_t	reserved[4];
541 	// End LSIP200113393
542 } __packed;
543 
544 /*
545  * Define MFI Address Context union.
546  */
547 #ifdef MFI_ADDRESS_IS_uint64_t
548     typedef uint64_t     MFI_ADDRESS;
549 #else
550     typedef union _MFI_ADDRESS {
551         struct {
552             uint32_t     addressLow;
553             uint32_t     addressHigh;
554         } u;
555         uint64_t     address;
556     } MFI_ADDRESS, *PMFI_ADDRESS;
557 #endif
558 
559 #define MFI_IO_FRAME_SIZE 40
560 struct mfi_io_frame {
561 	struct mfi_frame_header	header;
562 	uint32_t	sense_addr_lo;
563 	uint32_t	sense_addr_hi;
564 	uint32_t	lba_lo;
565 	uint32_t	lba_hi;
566 	union mfi_sgl	sgl;
567 } __packed;
568 
569 #define MFI_PASS_FRAME_SIZE 48
570 struct mfi_pass_frame {
571 	struct mfi_frame_header header;
572 	uint32_t	sense_addr_lo;
573 	uint32_t	sense_addr_hi;
574 	uint8_t		cdb[16];
575 	union mfi_sgl	sgl;
576 } __packed;
577 
578 #define MFI_DCMD_FRAME_SIZE 40
579 struct mfi_dcmd_frame {
580 	struct mfi_frame_header header;
581 	uint32_t	opcode;
582 	uint8_t		mbox[MFI_MBOX_SIZE];
583 	union mfi_sgl	sgl;
584 } __packed;
585 
586 struct mfi_abort_frame {
587 	struct mfi_frame_header header;
588 	uint32_t	abort_context;
589 	/* pad is changed to reserved.*/
590 	uint32_t	reserved0;
591 	uint32_t	abort_mfi_addr_lo;
592 	uint32_t	abort_mfi_addr_hi;
593 	uint32_t	reserved1[6];
594 } __packed;
595 
596 struct mfi_smp_frame {
597 	struct mfi_frame_header header;
598 	uint64_t	sas_addr;
599 	union {
600 		struct mfi_sg32 sg32[2];
601 		struct mfi_sg64 sg64[2];
602 	} sgl;
603 } __packed;
604 
605 struct mfi_stp_frame {
606 	struct mfi_frame_header header;
607 	uint16_t	fis[10];
608 	uint32_t	stp_flags;
609 	union {
610 		struct mfi_sg32 sg32[2];
611 		struct mfi_sg64 sg64[2];
612 	} sgl;
613 } __packed;
614 
615 union mfi_frame {
616 	struct mfi_frame_header header;
617 	struct mfi_init_frame	init;
618 	/* ThunderBolt Initialization */
619 	struct mfi_io_frame	io;
620 	struct mfi_pass_frame	pass;
621 	struct mfi_dcmd_frame	dcmd;
622 	struct mfi_abort_frame	abort;
623 	struct mfi_smp_frame	smp;
624 	struct mfi_stp_frame	stp;
625 	uint8_t			bytes[MFI_FRAME_SIZE];
626 };
627 
628 #define MFI_SENSE_LEN 128
629 struct mfi_sense {
630 	uint8_t		data[MFI_SENSE_LEN];
631 };
632 
633 /* The queue init structure that is passed with the init message */
634 struct mfi_init_qinfo {
635 	uint32_t	flags;
636 	uint32_t	rq_entries;
637 	uint32_t	rq_addr_lo;
638 	uint32_t	rq_addr_hi;
639 	uint32_t	pi_addr_lo;
640 	uint32_t	pi_addr_hi;
641 	uint32_t	ci_addr_lo;
642 	uint32_t	ci_addr_hi;
643 } __packed;
644 
645 /* SAS (?) controller properties, part of mfi_ctrl_info */
646 struct mfi_ctrl_props {
647 	uint16_t	seq_num;
648 	uint16_t	pred_fail_poll_interval;
649 	uint16_t	intr_throttle_cnt;
650 	uint16_t	intr_throttle_timeout;
651 	uint8_t		rebuild_rate;
652 	uint8_t		patrol_read_rate;
653 	uint8_t		bgi_rate;
654 	uint8_t		cc_rate;
655 	uint8_t		recon_rate;
656 	uint8_t		cache_flush_interval;
657 	uint8_t		spinup_drv_cnt;
658 	uint8_t		spinup_delay;
659 	uint8_t		cluster_enable;
660 	uint8_t		coercion_mode;
661 	uint8_t		alarm_enable;
662 	uint8_t		disable_auto_rebuild;
663 	uint8_t		disable_battery_warn;
664 	uint8_t		ecc_bucket_size;
665 	uint16_t	ecc_bucket_leak_rate;
666 	uint8_t		restore_hotspare_on_insertion;
667 	uint8_t		expose_encl_devices;
668 	uint8_t		maintainPdFailHistory;
669 	uint8_t		disallowHostRequestReordering;
670 	/* set TRUE to abort CC on detecting an inconsistency */
671 	uint8_t		abortCCOnError;
672 	/* load balance mode (MR_LOAD_BALANCE_MODE) */
673 	uint8_t		loadBalanceMode;
674 	/*
675 	 * 0 - use auto detect logic of backplanes like SGPIO, i2c SEP using
676 	 *     h/w mechansim like GPIO pins
677 	 * 1 - disable auto detect SGPIO,
678 	 * 2 - disable i2c SEP auto detect
679 	 * 3 - disable both auto detect
680 	 */
681 	uint8_t		disableAutoDetectBackplane;
682 	/*
683 	 * % of source LD to be reserved for a VDs snapshot in snapshot
684 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on
685 	 */
686 	uint8_t		snapVDSpace;
687 
688 	/*
689 	 * Add properties that can be controlled by a bit in the following
690 	 * structure.
691 	 */
692 	struct {
693 		/* set TRUE to disable copyBack (0=copback enabled) */
694 		uint32_t	copyBackDisabled		:1;
695 		uint32_t	SMARTerEnabled			:1;
696 		uint32_t	prCorrectUnconfiguredAreas	:1;
697 		uint32_t	useFdeOnly			:1;
698 		uint32_t	disableNCQ			:1;
699 		uint32_t	SSDSMARTerEnabled		:1;
700 		uint32_t	SSDPatrolReadEnabled		:1;
701 		uint32_t	enableSpinDownUnconfigured	:1;
702 		uint32_t	autoEnhancedImport		:1;
703 		uint32_t	enableSecretKeyControl		:1;
704 		uint32_t	disableOnlineCtrlReset		:1;
705 		uint32_t	allowBootWithPinnedCache	:1;
706 		uint32_t	disableSpinDownHS		:1;
707 		uint32_t	enableJBOD			:1;
708 		uint32_t	reserved			:18;
709 	} OnOffProperties;
710 	/*
711 	 * % of source LD to be reserved for auto snapshot in snapshot
712 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on.
713 	 */
714 	uint8_t		autoSnapVDSpace;
715 	/*
716 	 * Snapshot writeable VIEWs capacity as a % of source LD capacity:
717 	 * 0=READ only, 1=5%, 2=10%, 3=15% and so on.
718 	 */
719 	uint8_t		viewSpace;
720 	/* # of idle minutes before device is spun down (0=use FW defaults) */
721 	uint16_t	spinDownTime;
722 	uint8_t		reserved[24];
723 } __packed;
724 
725 /* PCI information about the card. */
726 struct mfi_info_pci {
727 	uint16_t	vendor;
728 	uint16_t	device;
729 	uint16_t	subvendor;
730 	uint16_t	subdevice;
731 	uint8_t		reserved[24];
732 } __packed;
733 
734 /* Host (front end) interface information */
735 struct mfi_info_host {
736 	uint8_t		type;
737 #define MFI_INFO_HOST_PCIX	0x01
738 #define MFI_INFO_HOST_PCIE	0x02
739 #define MFI_INFO_HOST_ISCSI	0x04
740 #define MFI_INFO_HOST_SAS3G	0x08
741 	uint8_t		reserved[6];
742 	uint8_t		port_count;
743 	uint64_t	port_addr[8];
744 } __packed;
745 
746 /* Device (back end) interface information */
747 struct mfi_info_device {
748 	uint8_t		type;
749 #define MFI_INFO_DEV_SPI	0x01
750 #define MFI_INFO_DEV_SAS3G	0x02
751 #define MFI_INFO_DEV_SATA1	0x04
752 #define MFI_INFO_DEV_SATA3G	0x08
753 	uint8_t		reserved[6];
754 	uint8_t		port_count;
755 	uint64_t	port_addr[8];
756 } __packed;
757 
758 /* Firmware component information */
759 struct mfi_info_component {
760 	char		 name[8];
761 	char		 version[32];
762 	char		 build_date[16];
763 	char		 build_time[16];
764 } __packed;
765 
766 /* Controller default settings */
767 struct mfi_defaults {
768 	uint64_t	sas_addr;
769 	uint8_t		phy_polarity;
770 	uint8_t		background_rate;
771 	uint8_t		stripe_size;
772 	uint8_t		flush_time;
773 	uint8_t		write_back;
774 	uint8_t		read_ahead;
775 	uint8_t		cache_when_bbu_bad;
776 	uint8_t		cached_io;
777 	uint8_t		smart_mode;
778 	uint8_t		alarm_disable;
779 	uint8_t		coercion;
780 	uint8_t		zrc_config;
781 	uint8_t		dirty_led_shows_drive_activity;
782 	uint8_t		bios_continue_on_error;
783 	uint8_t		spindown_mode;
784 	uint8_t		allowed_device_types;
785 	uint8_t		allow_mix_in_enclosure;
786 	uint8_t		allow_mix_in_ld;
787 	uint8_t		allow_sata_in_cluster;
788 	uint8_t		max_chained_enclosures;
789 	uint8_t		disable_ctrl_r;
790 	uint8_t		enabel_web_bios;
791 	uint8_t		phy_polarity_split;
792 	uint8_t		direct_pd_mapping;
793 	uint8_t		bios_enumerate_lds;
794 	uint8_t		restored_hot_spare_on_insertion;
795 	uint8_t		expose_enclosure_devices;
796 	uint8_t		maintain_pd_fail_history;
797 	uint8_t		resv[28];
798 } __packed;
799 
800 /* Controller default settings */
801 struct mfi_bios_data {
802 	uint16_t	boot_target_id;
803 	uint8_t		do_not_int_13;
804 	uint8_t		continue_on_error;
805 	uint8_t		verbose;
806 	uint8_t		geometry;
807 	uint8_t		expose_all_drives;
808 	uint8_t		reserved[56];
809 	uint8_t		check_sum;
810 } __packed;
811 
812 /* SAS (?) controller info, returned from MFI_DCMD_CTRL_GETINFO. */
813 struct mfi_ctrl_info {
814 	struct mfi_info_pci	pci;
815 	struct mfi_info_host	host;
816 	struct mfi_info_device	device;
817 
818 	/* Firmware components that are present and active. */
819 	uint32_t		image_check_word;
820 	uint32_t		image_component_count;
821 	struct mfi_info_component image_component[8];
822 
823 	/* Firmware components that have been flashed but are inactive */
824 	uint32_t		pending_image_component_count;
825 	struct mfi_info_component pending_image_component[8];
826 
827 	uint8_t			max_arms;
828 	uint8_t			max_spans;
829 	uint8_t			max_arrays;
830 	uint8_t			max_lds;
831 	char			product_name[80];
832 	char			serial_number[32];
833 	uint32_t		hw_present;
834 #define MFI_INFO_HW_BBU		0x01
835 #define MFI_INFO_HW_ALARM	0x02
836 #define MFI_INFO_HW_NVRAM	0x04
837 #define MFI_INFO_HW_UART	0x08
838 	uint32_t		current_fw_time;
839 	uint16_t		max_cmds;
840 	uint16_t		max_sg_elements;
841 	uint32_t		max_request_size;
842 	uint16_t		lds_present;
843 	uint16_t		lds_degraded;
844 	uint16_t		lds_offline;
845 	uint16_t		pd_present;
846 	uint16_t		pd_disks_present;
847 	uint16_t		pd_disks_pred_failure;
848 	uint16_t		pd_disks_failed;
849 	uint16_t		nvram_size;
850 	uint16_t		memory_size;
851 	uint16_t		flash_size;
852 	uint16_t		ram_correctable_errors;
853 	uint16_t		ram_uncorrectable_errors;
854 	uint8_t			cluster_allowed;
855 	uint8_t			cluster_active;
856 	uint16_t		max_strips_per_io;
857 
858 	uint32_t		raid_levels;
859 #define MFI_INFO_RAID_0		0x01
860 #define MFI_INFO_RAID_1		0x02
861 #define MFI_INFO_RAID_5		0x04
862 #define MFI_INFO_RAID_1E	0x08
863 #define MFI_INFO_RAID_6		0x10
864 
865 	uint32_t		adapter_ops;
866 #define MFI_INFO_AOPS_RBLD_RATE		0x0001
867 #define MFI_INFO_AOPS_CC_RATE		0x0002
868 #define MFI_INFO_AOPS_BGI_RATE		0x0004
869 #define MFI_INFO_AOPS_RECON_RATE	0x0008
870 #define MFI_INFO_AOPS_PATROL_RATE	0x0010
871 #define MFI_INFO_AOPS_ALARM_CONTROL	0x0020
872 #define MFI_INFO_AOPS_CLUSTER_SUPPORTED	0x0040
873 #define MFI_INFO_AOPS_BBU		0x0080
874 #define MFI_INFO_AOPS_SPANNING_ALLOWED	0x0100
875 #define MFI_INFO_AOPS_DEDICATED_SPARES	0x0200
876 #define MFI_INFO_AOPS_REVERTIBLE_SPARES	0x0400
877 #define MFI_INFO_AOPS_FOREIGN_IMPORT	0x0800
878 #define MFI_INFO_AOPS_SELF_DIAGNOSTIC	0x1000
879 #define MFI_INFO_AOPS_MIXED_ARRAY	0x2000
880 #define MFI_INFO_AOPS_GLOBAL_SPARES	0x4000
881 
882 	uint32_t		ld_ops;
883 #define MFI_INFO_LDOPS_READ_POLICY	0x01
884 #define MFI_INFO_LDOPS_WRITE_POLICY	0x02
885 #define MFI_INFO_LDOPS_IO_POLICY	0x04
886 #define MFI_INFO_LDOPS_ACCESS_POLICY	0x08
887 #define MFI_INFO_LDOPS_DISK_CACHE_POLICY 0x10
888 
889 	struct {
890 		uint8_t		min;
891 		uint8_t		max;
892 		uint8_t		reserved[2];
893 	} __packed stripe_sz_ops;
894 
895 	uint32_t		pd_ops;
896 #define MFI_INFO_PDOPS_FORCE_ONLINE	0x01
897 #define MFI_INFO_PDOPS_FORCE_OFFLINE	0x02
898 #define MFI_INFO_PDOPS_FORCE_REBUILD	0x04
899 
900 	uint32_t		pd_mix_support;
901 #define MFI_INFO_PDMIX_SAS		0x01
902 #define MFI_INFO_PDMIX_SATA		0x02
903 #define MFI_INFO_PDMIX_ENCL		0x04
904 #define MFI_INFO_PDMIX_LD		0x08
905 #define MFI_INFO_PDMIX_SATA_CLUSTER	0x10
906 
907 	uint8_t			ecc_bucket_count;
908 	uint8_t			reserved2[11];
909 	struct mfi_ctrl_props	properties;
910 	char			package_version[0x60];
911 	uint8_t			pad[0x800 - 0x6a0];
912 } __packed;
913 
914 /* keep track of an event. */
915 union mfi_evt {
916 	struct {
917 		uint16_t	locale;
918 		uint8_t		reserved;
919 		int8_t		evt_class;
920 	} members;
921 	uint32_t		word;
922 } __packed;
923 
924 /* event log state. */
925 struct mfi_evt_log_state {
926 	uint32_t		newest_seq_num;
927 	uint32_t		oldest_seq_num;
928 	uint32_t		clear_seq_num;
929 	uint32_t		shutdown_seq_num;
930 	uint32_t		boot_seq_num;
931 } __packed;
932 
933 struct mfi_progress {
934 	uint16_t		progress;
935 	uint16_t		elapsed_seconds;
936 } __packed;
937 
938 struct mfi_evt_ld {
939 	uint16_t		target_id;
940 	uint8_t			ld_index;
941 	uint8_t			reserved;
942 } __packed;
943 
944 struct mfi_evt_pd {
945 	uint16_t		device_id;
946 	uint8_t			enclosure_index;
947 	uint8_t			slot_number;
948 } __packed;
949 
950 /* SAS (?) event detail, returned from MFI_DCMD_CTRL_EVENT_WAIT. */
951 struct mfi_evt_detail {
952 	uint32_t		seq;
953 	uint32_t		time;
954 	uint32_t		code;
955 	union mfi_evt		evt_class;
956 	uint8_t			arg_type;
957 	uint8_t			reserved1[15];
958 
959 	union {
960 		struct {
961 			struct mfi_evt_pd	pd;
962 			uint8_t			cdb_len;
963 			uint8_t			sense_len;
964 			uint8_t			reserved[2];
965 			uint8_t			cdb[16];
966 			uint8_t			sense[64];
967 		} cdb_sense;
968 
969 		struct mfi_evt_ld		ld;
970 
971 		struct {
972 			struct mfi_evt_ld	ld;
973 			uint64_t		count;
974 		} ld_count;
975 
976 		struct {
977 			uint64_t		lba;
978 			struct mfi_evt_ld	ld;
979 		} ld_lba;
980 
981 		struct {
982 			struct mfi_evt_ld	ld;
983 			uint32_t		pre_owner;
984 			uint32_t		new_owner;
985 		} ld_owner;
986 
987 		struct {
988 			uint64_t		ld_lba;
989 			uint64_t		pd_lba;
990 			struct mfi_evt_ld	ld;
991 			struct mfi_evt_pd	pd;
992 		} ld_lba_pd_lba;
993 
994 		struct {
995 			struct mfi_evt_ld	ld;
996 			struct mfi_progress	prog;
997 		} ld_prog;
998 
999 		struct {
1000 			struct mfi_evt_ld	ld;
1001 			uint32_t		prev_state;
1002 			uint32_t		new_state;
1003 		} ld_state;
1004 
1005 		struct {
1006 			uint64_t		strip;
1007 			struct mfi_evt_ld	ld;
1008 		} ld_strip;
1009 
1010 		struct mfi_evt_pd		pd;
1011 
1012 		struct {
1013 			struct mfi_evt_pd	pd;
1014 			uint32_t		err;
1015 		} pd_err;
1016 
1017 		struct {
1018 			uint64_t		lba;
1019 			struct mfi_evt_pd	pd;
1020 		} pd_lba;
1021 
1022 		struct {
1023 			uint64_t		lba;
1024 			struct mfi_evt_pd	pd;
1025 			struct mfi_evt_ld	ld;
1026 		} pd_lba_ld;
1027 
1028 		struct {
1029 			struct mfi_evt_pd	pd;
1030 			struct mfi_progress	prog;
1031 		} pd_prog;
1032 
1033 		struct {
1034 			struct mfi_evt_pd	ld;
1035 			uint32_t		prev_state;
1036 			uint32_t		new_state;
1037 		} pd_state;
1038 
1039 		struct {
1040 			uint16_t		venderId;
1041 			uint16_t		deviceId;
1042 			uint16_t		subVenderId;
1043 			uint16_t		subDeviceId;
1044 		} pci;
1045 
1046 		uint32_t			rate;
1047 
1048 		char				str[96];
1049 
1050 		struct {
1051 			uint32_t		rtc;
1052 			uint16_t		elapsedSeconds;
1053 		} time;
1054 
1055 		struct {
1056 			uint32_t		ecar;
1057 			uint32_t		elog;
1058 			char			str[64];
1059 		} ecc;
1060 
1061 		uint8_t		b[96];
1062 		uint16_t	s[48];
1063 		uint32_t	w[24];
1064 		uint64_t	d[12];
1065 	} args;
1066 
1067 	char description[128];
1068 } __packed;
1069 
1070 struct mfi_evt_list {
1071 	uint32_t		count;
1072 	uint32_t		reserved;
1073 	struct mfi_evt_detail	event[1];
1074 } __packed;
1075 
1076 union mfi_pd_ref {
1077 	struct {
1078 		uint16_t	device_id;
1079 		uint16_t	seq_num;
1080 	} v;
1081 	uint32_t	ref;
1082 } __packed;
1083 
1084 union mfi_pd_ddf_type {
1085 	struct {
1086 		union {
1087 			struct {
1088 				uint16_t	forced_pd_guid	: 1;
1089 				uint16_t	in_vd		: 1;
1090 				uint16_t	is_global_spare	: 1;
1091 				uint16_t	is_spare	: 1;
1092 				uint16_t	is_foreign	: 1;
1093 				uint16_t	reserved	: 7;
1094 				uint16_t	intf		: 4;
1095 			} pd_type;
1096 			uint16_t	type;
1097 		} v;
1098 		uint16_t		reserved;
1099 	} ddf;
1100 	struct {
1101 		uint32_t		reserved;
1102 	} non_disk;
1103 	uint32_t			type;
1104 } __packed;
1105 
1106 struct mfi_pd_progress {
1107 	uint32_t			active;
1108 #define	MFI_PD_PROGRESS_REBUILD	(1<<0)
1109 #define	MFI_PD_PROGRESS_PATROL	(1<<1)
1110 #define	MFI_PD_PROGRESS_CLEAR	(1<<2)
1111 	struct mfi_progress		rbld;
1112 	struct mfi_progress		patrol;
1113 	struct mfi_progress		clear;
1114 	struct mfi_progress		reserved[4];
1115 } __packed;
1116 
1117 struct mfi_pd_info {
1118 	union mfi_pd_ref		ref;
1119 	uint8_t				inquiry_data[96];
1120 	uint8_t				vpd_page83[64];
1121 	uint8_t				not_supported;
1122 	uint8_t				scsi_dev_type;
1123 	uint8_t				connected_port_bitmap;
1124 	uint8_t				device_speed;
1125 	uint32_t			media_err_count;
1126 	uint32_t			other_err_count;
1127 	uint32_t			pred_fail_count;
1128 	uint32_t			last_pred_fail_event_seq_num;
1129 	uint16_t			fw_state;	/* MFI_PD_STATE_* */
1130 	uint8_t				disabled_for_removal;
1131 	uint8_t				link_speed;
1132 	union mfi_pd_ddf_type		state;
1133 	struct {
1134 		uint8_t			count;
1135 		uint8_t			is_path_broken;
1136 		uint8_t			reserved[6];
1137 		uint64_t		sas_addr[4];
1138 	} path_info;
1139 	uint64_t			raw_size;
1140 	uint64_t			non_coerced_size;
1141 	uint64_t			coerced_size;
1142 	uint16_t			encl_device_id;
1143 	uint8_t				encl_index;
1144 	uint8_t				slot_number;
1145 	struct mfi_pd_progress		prog_info;
1146 	uint8_t				bad_block_table_full;
1147 	uint8_t				unusable_in_current_config;
1148 	uint8_t				vpd_page83_ext[64];
1149 	uint8_t				reserved[512-358];
1150 } __packed;
1151 
1152 struct mfi_pd_address {
1153 	uint16_t		device_id;
1154 	uint16_t		encl_device_id;
1155 	uint8_t			encl_index;
1156 	uint8_t			slot_number;
1157 	uint8_t			scsi_dev_type;	/* 0 = disk */
1158 	uint8_t			connect_port_bitmap;
1159 	uint64_t		sas_addr[2];
1160 } __packed;
1161 
1162 #define MAX_SYS_PDS 240
1163 struct mfi_pd_list {
1164 	uint32_t		size;
1165 	uint32_t		count;
1166 	struct mfi_pd_address	addr[MAX_SYS_PDS];
1167 } __packed;
1168 
1169 enum mfi_pd_state {
1170 	MFI_PD_STATE_UNCONFIGURED_GOOD = 0x00,
1171 	MFI_PD_STATE_UNCONFIGURED_BAD = 0x01,
1172 	MFI_PD_STATE_HOT_SPARE = 0x02,
1173 	MFI_PD_STATE_OFFLINE = 0x10,
1174 	MFI_PD_STATE_FAILED = 0x11,
1175 	MFI_PD_STATE_REBUILD = 0x14,
1176 	MFI_PD_STATE_ONLINE = 0x18,
1177 	MFI_PD_STATE_COPYBACK = 0x20,
1178 	MFI_PD_STATE_SYSTEM = 0x40
1179 };
1180 
1181 /*
1182  * "SYSTEM" disk appears to be "JBOD" support from the RAID controller.
1183  * Adding a #define to denote this.
1184  */
1185 #define MFI_PD_STATE_JBOD MFI_PD_STATE_SYSTEM
1186 
1187 union mfi_ld_ref {
1188 	struct {
1189 		uint8_t		target_id;
1190 		uint8_t		reserved;
1191 		uint16_t	seq;
1192 	} v;
1193 	uint32_t		ref;
1194 } __packed;
1195 
1196 struct mfi_ld_list {
1197 	uint32_t		ld_count;
1198 	uint32_t		reserved1;
1199 	struct {
1200 		union mfi_ld_ref	ld;
1201 		uint8_t		state;
1202 		uint8_t		reserved2[3];
1203 		uint64_t	size;
1204 	} ld_list[MFI_MAX_LD];
1205 } __packed;
1206 
1207 enum mfi_ld_access {
1208 	MFI_LD_ACCESS_RW =	0,
1209 	MFI_LD_ACCSSS_RO = 	2,
1210 	MFI_LD_ACCESS_BLOCKED =	3,
1211 };
1212 #define MFI_LD_ACCESS_MASK	3
1213 
1214 enum mfi_ld_state {
1215 	MFI_LD_STATE_OFFLINE =			0,
1216 	MFI_LD_STATE_PARTIALLY_DEGRADED =	1,
1217 	MFI_LD_STATE_DEGRADED =			2,
1218 	MFI_LD_STATE_OPTIMAL =			3
1219 };
1220 
1221 struct mfi_ld_props {
1222 	union mfi_ld_ref	ld;
1223 	char			name[16];
1224 	uint8_t			default_cache_policy;
1225 	uint8_t			access_policy;
1226 	uint8_t			disk_cache_policy;
1227 	uint8_t			current_cache_policy;
1228 	uint8_t			no_bgi;
1229 	uint8_t			reserved[7];
1230 } __packed;
1231 
1232 struct mfi_ld_params {
1233 	uint8_t			primary_raid_level;
1234 	uint8_t			raid_level_qualifier;
1235 	uint8_t			secondary_raid_level;
1236 	uint8_t			stripe_size;
1237 	uint8_t			num_drives;
1238 	uint8_t			span_depth;
1239 	uint8_t			state;
1240 	uint8_t			init_state;
1241 #define	MFI_LD_PARAMS_INIT_NO		0
1242 #define	MFI_LD_PARAMS_INIT_QUICK	1
1243 #define	MFI_LD_PARAMS_INIT_FULL		2
1244 	uint8_t			is_consistent;
1245 	uint8_t			reserved1[6];
1246 	uint8_t			isSSCD;
1247 	uint8_t			reserved2[16];
1248 } __packed;
1249 
1250 struct mfi_ld_progress {
1251 	uint32_t		active;
1252 #define	MFI_LD_PROGRESS_CC	(1<<0)
1253 #define	MFI_LD_PROGRESS_BGI	(1<<1)
1254 #define	MFI_LD_PROGRESS_FGI	(1<<2)
1255 #define	MFI_LD_PROGRESS_RECON	(1<<3)
1256 	struct mfi_progress	cc;
1257 	struct mfi_progress	bgi;
1258 	struct mfi_progress	fgi;
1259 	struct mfi_progress	recon;
1260 	struct mfi_progress	reserved[4];
1261 } __packed;
1262 
1263 struct mfi_span {
1264 	uint64_t		start_block;
1265 	uint64_t		num_blocks;
1266 	uint16_t		array_ref;
1267 	uint8_t			reserved[6];
1268 } __packed;
1269 
1270 #define	MFI_MAX_SPAN_DEPTH	8
1271 struct mfi_ld_config {
1272 	struct mfi_ld_props	properties;
1273 	struct mfi_ld_params	params;
1274 	struct mfi_span		span[MFI_MAX_SPAN_DEPTH];
1275 } __packed;
1276 
1277 struct mfi_ld_info {
1278 	struct mfi_ld_config	ld_config;
1279 	uint64_t		size;
1280 	struct mfi_ld_progress	progress;
1281 	uint16_t		cluster_owner;
1282 	uint8_t			reconstruct_active;
1283 	uint8_t			reserved1[1];
1284 	uint8_t			vpd_page83[64];
1285 	uint8_t			reserved2[16];
1286 } __packed;
1287 
1288 #define MFI_MAX_ARRAYS 16
1289 struct mfi_spare {
1290 	union mfi_pd_ref	ref;
1291 	uint8_t			spare_type;
1292 #define	MFI_SPARE_DEDICATED	(1 << 0)
1293 #define	MFI_SPARE_REVERTIBLE	(1 << 1)
1294 #define	MFI_SPARE_ENCL_AFFINITY	(1 << 2)
1295 	uint8_t			reserved[2];
1296 	uint8_t			array_count;
1297 	uint16_t		array_ref[MFI_MAX_ARRAYS];
1298 } __packed;
1299 
1300 #define MFI_MAX_ROW_SIZE 32
1301 struct mfi_array {
1302 	uint64_t			size;
1303 	uint8_t				num_drives;
1304 	uint8_t				reserved;
1305 	uint16_t			array_ref;
1306 	uint8_t				pad[20];
1307 	struct {
1308 		union mfi_pd_ref	ref;	/* 0xffff == missing drive */
1309 		uint16_t		fw_state;	/* MFI_PD_STATE_* */
1310 		struct {
1311 			uint8_t		pd;
1312 			uint8_t		slot;
1313 		} encl;
1314 	} pd[MFI_MAX_ROW_SIZE];
1315 } __packed;
1316 
1317 struct mfi_config_data {
1318 	uint32_t		size;
1319 	uint16_t		array_count;
1320 	uint16_t		array_size;
1321 	uint16_t		log_drv_count;
1322 	uint16_t		log_drv_size;
1323 	uint16_t		spares_count;
1324 	uint16_t		spares_size;
1325 	uint8_t			reserved[16];
1326 	struct mfi_array	array[0];
1327 	struct mfi_ld_config	ld[0];
1328 	struct mfi_spare	spare[0];
1329 } __packed;
1330 
1331 struct mfi_bbu_capacity_info {
1332 	uint16_t		relative_charge;
1333 	uint16_t		absolute_charge;
1334 	uint16_t		remaining_capacity;
1335 	uint16_t		full_charge_capacity;
1336 	uint16_t		run_time_to_empty;
1337 	uint16_t		average_time_to_empty;
1338 	uint16_t		average_time_to_full;
1339 	uint16_t		cycle_count;
1340 	uint16_t		max_error;
1341 	uint16_t		remaining_capacity_alarm;
1342 	uint16_t		remaining_time_alarm;
1343 	uint8_t			reserved[26];
1344 } __packed;
1345 
1346 struct mfi_bbu_design_info {
1347 	uint32_t		mfg_date;
1348 	uint16_t		design_capacity;
1349 	uint16_t		design_voltage;
1350 	uint16_t		spec_info;
1351 	uint16_t		serial_number;
1352 	uint16_t		pack_stat_config;
1353 	uint8_t			mfg_name[12];
1354 	uint8_t			device_name[8];
1355 	uint8_t			device_chemistry[8];
1356 	uint8_t			mfg_data[8];
1357 	uint8_t			reserved[17];
1358 } __packed;
1359 
1360 struct mfi_ibbu_state {
1361 	uint16_t		gas_guage_status;
1362 	uint16_t		relative_charge;
1363 	uint16_t		charger_system_state;
1364 	uint16_t		charger_system_ctrl;
1365 	uint16_t		charging_current;
1366 	uint16_t		absolute_charge;
1367 	uint16_t		max_error;
1368 	uint8_t			reserved[18];
1369 } __packed;
1370 
1371 struct mfi_bbu_state {
1372 	uint16_t		gas_guage_status;
1373 	uint16_t		relative_charge;
1374 	uint16_t		charger_status;
1375 	uint16_t		remaining_capacity;
1376 	uint16_t		full_charge_capacity;
1377 	uint8_t			is_SOH_good;
1378 	uint8_t			reserved[21];
1379 } __packed;
1380 
1381 struct mfi_bbu_properties {
1382 	uint32_t		auto_learn_period;
1383 	uint32_t		next_learn_time;
1384 	uint8_t			learn_delay_interval;
1385 	uint8_t			auto_learn_mode;
1386 	uint8_t			bbu_mode;
1387 	uint8_t			reserved[21];
1388 } __packed;
1389 
1390 union mfi_bbu_status_detail {
1391 	struct mfi_ibbu_state	ibbu;
1392 	struct mfi_bbu_state	bbu;
1393 };
1394 
1395 struct mfi_bbu_status {
1396 	uint8_t			battery_type;
1397 #define	MFI_BBU_TYPE_NONE	0
1398 #define	MFI_BBU_TYPE_IBBU	1
1399 #define	MFI_BBU_TYPE_BBU	2
1400 	uint8_t			reserved;
1401 	uint16_t		voltage;
1402 	int16_t			current;
1403 	uint16_t		temperature;
1404 	uint32_t		fw_status;
1405 #define	MFI_BBU_STATE_PACK_MISSING	(1 << 0)
1406 #define	MFI_BBU_STATE_VOLTAGE_LOW	(1 << 1)
1407 #define	MFI_BBU_STATE_TEMPERATURE_HIGH	(1 << 2)
1408 #define	MFI_BBU_STATE_CHARGE_ACTIVE	(1 << 3)
1409 #define	MFI_BBU_STATE_DISCHARGE_ACTIVE	(1 << 4)
1410 #define	MFI_BBU_STATE_LEARN_CYC_REQ	(1 << 5)
1411 #define	MFI_BBU_STATE_LEARN_CYC_ACTIVE	(1 << 6)
1412 #define	MFI_BBU_STATE_LEARN_CYC_FAIL	(1 << 7)
1413 #define	MFI_BBU_STATE_LEARN_CYC_TIMEOUT	(1 << 8)
1414 #define	MFI_BBU_STATE_I2C_ERR_DETECT	(1 << 9)
1415 	uint8_t			pad[20];
1416 	union mfi_bbu_status_detail detail;
1417 } __packed;
1418 
1419 enum mfi_pr_state {
1420 	MFI_PR_STATE_STOPPED = 0,
1421 	MFI_PR_STATE_READY = 1,
1422 	MFI_PR_STATE_ACTIVE = 2,
1423 	MFI_PR_STATE_ABORTED = 0xff
1424 };
1425 
1426 struct mfi_pr_status {
1427 	uint32_t		num_iteration;
1428 	uint8_t			state;
1429 	uint8_t			num_pd_done;
1430 	uint8_t			reserved[10];
1431 };
1432 
1433 enum mfi_pr_opmode {
1434 	MFI_PR_OPMODE_AUTO = 0,
1435 	MFI_PR_OPMODE_MANUAL = 1,
1436 	MFI_PR_OPMODE_DISABLED = 2
1437 };
1438 
1439 struct mfi_pr_properties {
1440 	uint8_t			op_mode;
1441 	uint8_t			max_pd;
1442 	uint8_t			reserved;
1443 	uint8_t			exclude_ld_count;
1444 	uint16_t		excluded_ld[MFI_MAX_LD];
1445 	uint8_t			cur_pd_map[MFI_MAX_PD / 8];
1446 	uint8_t			last_pd_map[MFI_MAX_PD / 8];
1447 	uint32_t		next_exec;
1448 	uint32_t		exec_freq;
1449 	uint32_t		clear_freq;
1450 };
1451 
1452 /* ThunderBolt support */
1453 
1454 /*
1455  * Raid Context structure which describes MegaRAID specific IO Paramenters
1456  * This resides at offset 0x60 where the SGL normally starts in MPT IO Frames
1457  */
1458 typedef struct _MPI2_SCSI_IO_VENDOR_UNIQUE {
1459 	uint16_t	resvd0;		/* 0x00 - 0x01 */
1460 	uint16_t	timeoutValue;	/* 0x02 - 0x03 */
1461 	uint8_t		regLockFlags;
1462 	uint8_t		armId;
1463 	uint16_t	TargetID;	/* 0x06 - 0x07 */
1464 
1465 	uint64_t	RegLockLBA;	/* 0x08 - 0x0F */
1466 
1467 	uint32_t	RegLockLength;	/* 0x10 - 0x13 */
1468 
1469 	uint16_t	SMID;		/* 0x14 - 0x15 nextLMId */
1470 	uint8_t		exStatus;	/* 0x16 */
1471 	uint8_t		Status;		/* 0x17 status */
1472 
1473 	uint8_t		RAIDFlags;	/* 0x18 */
1474 	uint8_t		numSGE;		/* 0x19 numSge */
1475 	uint16_t	configSeqNum;	/* 0x1A - 0x1B */
1476 	uint8_t		spanArm;	/* 0x1C */
1477 	uint8_t		resvd2[3];	/* 0x1D - 0x1F */
1478 } MPI2_SCSI_IO_VENDOR_UNIQUE, MPI25_SCSI_IO_VENDOR_UNIQUE;
1479 
1480 /*****************************************************************************
1481 *
1482 *        Message Functions
1483 *
1484 *****************************************************************************/
1485 
1486 #define NA_MPI2_FUNCTION_SCSI_IO_REQUEST            (0x00) /* SCSI IO */
1487 #define MPI2_FUNCTION_SCSI_TASK_MGMT                (0x01) /* SCSI Task Management */
1488 #define MPI2_FUNCTION_IOC_INIT                      (0x02) /* IOC Init */
1489 #define MPI2_FUNCTION_IOC_FACTS                     (0x03) /* IOC Facts */
1490 #define MPI2_FUNCTION_CONFIG                        (0x04) /* Configuration */
1491 #define MPI2_FUNCTION_PORT_FACTS                    (0x05) /* Port Facts */
1492 #define MPI2_FUNCTION_PORT_ENABLE                   (0x06) /* Port Enable */
1493 #define MPI2_FUNCTION_EVENT_NOTIFICATION            (0x07) /* Event Notification */
1494 #define MPI2_FUNCTION_EVENT_ACK                     (0x08) /* Event Acknowledge */
1495 #define MPI2_FUNCTION_FW_DOWNLOAD                   (0x09) /* FW Download */
1496 #define MPI2_FUNCTION_TARGET_ASSIST                 (0x0B) /* Target Assist */
1497 #define MPI2_FUNCTION_TARGET_STATUS_SEND            (0x0C) /* Target Status Send */
1498 #define MPI2_FUNCTION_TARGET_MODE_ABORT             (0x0D) /* Target Mode Abort */
1499 #define MPI2_FUNCTION_FW_UPLOAD                     (0x12) /* FW Upload */
1500 #define MPI2_FUNCTION_RAID_ACTION                   (0x15) /* RAID Action */
1501 #define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH      (0x16) /* SCSI IO RAID Passthrough */
1502 #define MPI2_FUNCTION_TOOLBOX                       (0x17) /* Toolbox */
1503 #define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR      (0x18) /* SCSI Enclosure Processor */
1504 #define MPI2_FUNCTION_SMP_PASSTHROUGH               (0x1A) /* SMP Passthrough */
1505 #define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL           (0x1B) /* SAS IO Unit Control */
1506 #define MPI2_FUNCTION_SATA_PASSTHROUGH              (0x1C) /* SATA Passthrough */
1507 #define MPI2_FUNCTION_DIAG_BUFFER_POST              (0x1D) /* Diagnostic Buffer Post */
1508 #define MPI2_FUNCTION_DIAG_RELEASE                  (0x1E) /* Diagnostic Release */
1509 #define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST      (0x24) /* Target Command Buffer Post Base */
1510 #define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST      (0x25) /* Target Command Buffer Post List */
1511 #define MPI2_FUNCTION_RAID_ACCELERATOR              (0x2C) /* RAID Accelerator */
1512 #define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION   (0x2F) /* Host Based Discovery Action */
1513 #define MPI2_FUNCTION_PWR_MGMT_CONTROL              (0x30) /* Power Management Control */
1514 #define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC          (0xF0) /* beginning of product-specific range */
1515 #define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC          (0xFF) /* end of product-specific range */
1516 
1517 /* Doorbell functions */
1518 #define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET        (0x40)
1519 #define MPI2_FUNCTION_HANDSHAKE                     (0x42)
1520 
1521 /*****************************************************************************
1522 *
1523 *        MPI Version Definitions
1524 *
1525 *****************************************************************************/
1526 
1527 #define MPI2_VERSION_MAJOR                  (0x02)
1528 #define MPI2_VERSION_MINOR                  (0x00)
1529 #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
1530 #define MPI2_VERSION_MAJOR_SHIFT            (8)
1531 #define MPI2_VERSION_MINOR_MASK             (0x00FF)
1532 #define MPI2_VERSION_MINOR_SHIFT            (0)
1533 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) |   \
1534                                       MPI2_VERSION_MINOR)
1535 
1536 #define MPI2_VERSION_02_00                  (0x0200)
1537 
1538 /* versioning for this MPI header set */
1539 #define MPI2_HEADER_VERSION_UNIT            (0x10)
1540 #define MPI2_HEADER_VERSION_DEV             (0x00)
1541 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
1542 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
1543 #define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
1544 #define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
1545 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) |		\
1546 					MPI2_HEADER_VERSION_DEV)
1547 
1548 
1549 /* IOCInit Request message */
1550 struct MPI2_IOC_INIT_REQUEST {
1551 	uint8_t		WhoInit;                        /* 0x00 */
1552 	uint8_t		Reserved1;                      /* 0x01 */
1553 	uint8_t		ChainOffset;                    /* 0x02 */
1554 	uint8_t		Function;                       /* 0x03 */
1555 	uint16_t	Reserved2;                      /* 0x04 */
1556 	uint8_t		Reserved3;                      /* 0x06 */
1557 	uint8_t		MsgFlags;                       /* 0x07 */
1558 	uint8_t		VP_ID;                          /* 0x08 */
1559 	uint8_t		VF_ID;                          /* 0x09 */
1560 	uint16_t	Reserved4;                      /* 0x0A */
1561 	uint16_t	MsgVersion;                     /* 0x0C */
1562 	uint16_t	HeaderVersion;                  /* 0x0E */
1563 	uint32_t	Reserved5;                      /* 0x10 */
1564 	uint16_t	Reserved6;                      /* 0x14 */
1565 	uint8_t		Reserved7;                      /* 0x16 */
1566 	uint8_t		HostMSIxVectors;                /* 0x17 */
1567 	uint16_t	Reserved8;                      /* 0x18 */
1568 	uint16_t	SystemRequestFrameSize;         /* 0x1A */
1569 	uint16_t	ReplyDescriptorPostQueueDepth;  /* 0x1C */
1570 	uint16_t	ReplyFreeQueueDepth;            /* 0x1E */
1571 	uint32_t	SenseBufferAddressHigh;         /* 0x20 */
1572 	uint32_t	SystemReplyAddressHigh;         /* 0x24 */
1573 	uint64_t	SystemRequestFrameBaseAddress;  /* 0x28 */
1574 	uint64_t	ReplyDescriptorPostQueueAddress;/* 0x30 */
1575 	uint64_t	ReplyFreeQueueAddress;          /* 0x38 */
1576 	uint64_t	TimeStamp;                      /* 0x40 */
1577 };
1578 
1579 /* WhoInit values */
1580 #define MPI2_WHOINIT_NOT_INITIALIZED            (0x00)
1581 #define MPI2_WHOINIT_SYSTEM_BIOS                (0x01)
1582 #define MPI2_WHOINIT_ROM_BIOS                   (0x02)
1583 #define MPI2_WHOINIT_PCI_PEER                   (0x03)
1584 #define MPI2_WHOINIT_HOST_DRIVER                (0x04)
1585 #define MPI2_WHOINIT_MANUFACTURER               (0x05)
1586 
1587 struct MPI2_SGE_CHAIN_UNION {
1588 	uint16_t	Length;
1589 	uint8_t		NextChainOffset;
1590 	uint8_t		Flags;
1591 	union {
1592 		uint32_t	Address32;
1593 		uint64_t	Address64;
1594 	} u;
1595 };
1596 
1597 struct MPI2_IEEE_SGE_SIMPLE32 {
1598 	uint32_t	Address;
1599 	uint32_t	FlagsLength;
1600 };
1601 
1602 struct MPI2_IEEE_SGE_SIMPLE64 {
1603 	uint64_t	Address;
1604 	uint32_t	Length;
1605 	uint16_t	Reserved1;
1606 	uint8_t		Reserved2;
1607 	uint8_t		Flags;
1608 };
1609 
1610 typedef union _MPI2_IEEE_SGE_SIMPLE_UNION {
1611 	struct MPI2_IEEE_SGE_SIMPLE32	Simple32;
1612 	struct MPI2_IEEE_SGE_SIMPLE64	Simple64;
1613 } MPI2_IEEE_SGE_SIMPLE_UNION;
1614 
1615 typedef struct _MPI2_SGE_SIMPLE_UNION {
1616 	uint32_t	FlagsLength;
1617 	union {
1618 		uint32_t	Address32;
1619 		uint64_t	Address64;
1620 	} u;
1621 } MPI2_SGE_SIMPLE_UNION;
1622 
1623 /****************************************************************************
1624 *  IEEE SGE field definitions and masks
1625 ****************************************************************************/
1626 
1627 /* Flags field bit definitions */
1628 
1629 #define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK   (0x80)
1630 
1631 #define MPI2_IEEE32_SGE_FLAGS_SHIFT             (24)
1632 
1633 #define MPI2_IEEE32_SGE_LENGTH_MASK             (0x00FFFFFF)
1634 
1635 /* Element Type */
1636 
1637 #define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT      (0x00)
1638 #define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT       (0x80)
1639 
1640 /* Data Location Address Space */
1641 
1642 #define MPI2_IEEE_SGE_FLAGS_ADDR_MASK           (0x03)
1643 #define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR         (0x00)
1644 #define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR         (0x01)
1645 #define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR         (0x02)
1646 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03)
1647 
1648 /* Address Size */
1649 
1650 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
1651 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
1652 
1653 /*******************/
1654 /* SCSI IO Control bits */
1655 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_MASK      (0xFC000000)
1656 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT     (26)
1657 
1658 #define MPI2_SCSIIO_CONTROL_DATADIRECTION_MASK  (0x03000000)
1659 #define MPI2_SCSIIO_CONTROL_NODATATRANSFER      (0x00000000)
1660 #define MPI2_SCSIIO_CONTROL_WRITE               (0x01000000)
1661 #define MPI2_SCSIIO_CONTROL_READ                (0x02000000)
1662 #define MPI2_SCSIIO_CONTROL_BIDIRECTIONAL       (0x03000000)
1663 
1664 #define MPI2_SCSIIO_CONTROL_TASKPRI_MASK        (0x00007800)
1665 #define MPI2_SCSIIO_CONTROL_TASKPRI_SHIFT       (11)
1666 
1667 #define MPI2_SCSIIO_CONTROL_TASKATTRIBUTE_MASK  (0x00000700)
1668 #define MPI2_SCSIIO_CONTROL_SIMPLEQ             (0x00000000)
1669 #define MPI2_SCSIIO_CONTROL_HEADOFQ             (0x00000100)
1670 #define MPI2_SCSIIO_CONTROL_ORDEREDQ            (0x00000200)
1671 #define MPI2_SCSIIO_CONTROL_ACAQ                (0x00000400)
1672 
1673 #define MPI2_SCSIIO_CONTROL_TLR_MASK            (0x000000C0)
1674 #define MPI2_SCSIIO_CONTROL_NO_TLR              (0x00000000)
1675 #define MPI2_SCSIIO_CONTROL_TLR_ON              (0x00000040)
1676 #define MPI2_SCSIIO_CONTROL_TLR_OFF             (0x00000080)
1677 
1678 /*******************/
1679 
1680 typedef struct {
1681 	uint8_t		CDB[20];                    /* 0x00 */
1682 	uint32_t	PrimaryReferenceTag;        /* 0x14 */
1683 	uint16_t	PrimaryApplicationTag;      /* 0x18 */
1684 	uint16_t	PrimaryApplicationTagMask;  /* 0x1A */
1685 	uint32_t	TransferLength;             /* 0x1C */
1686 } MPI2_SCSI_IO_CDB_EEDP32;
1687 
1688 
1689 typedef union _MPI2_IEEE_SGE_CHAIN_UNION {
1690 	struct MPI2_IEEE_SGE_SIMPLE32	Chain32;
1691 	struct MPI2_IEEE_SGE_SIMPLE64	Chain64;
1692 } MPI2_IEEE_SGE_CHAIN_UNION;
1693 
1694 typedef union _MPI2_SIMPLE_SGE_UNION {
1695 	MPI2_SGE_SIMPLE_UNION		MpiSimple;
1696 	MPI2_IEEE_SGE_SIMPLE_UNION	IeeeSimple;
1697 } MPI2_SIMPLE_SGE_UNION;
1698 
1699 typedef union _MPI2_SGE_IO_UNION {
1700 	MPI2_SGE_SIMPLE_UNION		MpiSimple;
1701 	struct MPI2_SGE_CHAIN_UNION	MpiChain;
1702 	MPI2_IEEE_SGE_SIMPLE_UNION	IeeeSimple;
1703 	MPI2_IEEE_SGE_CHAIN_UNION	IeeeChain;
1704 } MPI2_SGE_IO_UNION;
1705 
1706 typedef union {
1707 	uint8_t			CDB32[32];
1708 	MPI2_SCSI_IO_CDB_EEDP32	EEDP32;
1709 	MPI2_SGE_SIMPLE_UNION	SGE;
1710 } MPI2_SCSI_IO_CDB_UNION;
1711 
1712 
1713 /* MPI 2.5 SGLs */
1714 
1715 #define MPI25_IEEE_SGE_FLAGS_END_OF_LIST        (0x40)
1716 
1717 typedef struct _MPI25_IEEE_SGE_CHAIN64 {
1718 	uint64_t	Address;
1719 	uint32_t	Length;
1720 	uint16_t	Reserved1;
1721 	uint8_t		NextChainOffset;
1722 	uint8_t		Flags;
1723 } MPI25_IEEE_SGE_CHAIN64, *pMpi25IeeeSgeChain64_t;
1724 
1725 /* use MPI2_IEEE_SGE_FLAGS_ defines for the Flags field */
1726 
1727 
1728 /********/
1729 
1730 /*
1731  * RAID SCSI IO Request Message
1732  * Total SGE count will be one less than  _MPI2_SCSI_IO_REQUEST
1733  */
1734 struct mfi_mpi2_request_raid_scsi_io {
1735 	uint16_t		DevHandle;                      /* 0x00 */
1736 	uint8_t			ChainOffset;                    /* 0x02 */
1737 	uint8_t			Function;                       /* 0x03 */
1738 	uint16_t		Reserved1;                      /* 0x04 */
1739 	uint8_t			Reserved2;                      /* 0x06 */
1740 	uint8_t			MsgFlags;                       /* 0x07 */
1741 	uint8_t			VP_ID;                          /* 0x08 */
1742 	uint8_t			VF_ID;                          /* 0x09 */
1743 	uint16_t		Reserved3;                      /* 0x0A */
1744 	uint32_t		SenseBufferLowAddress;          /* 0x0C */
1745 	uint16_t		SGLFlags;                       /* 0x10 */
1746 	uint8_t			SenseBufferLength;              /* 0x12 */
1747 	uint8_t			Reserved4;                      /* 0x13 */
1748 	uint8_t			SGLOffset0;                     /* 0x14 */
1749 	uint8_t			SGLOffset1;                     /* 0x15 */
1750 	uint8_t			SGLOffset2;                     /* 0x16 */
1751 	uint8_t			SGLOffset3;                     /* 0x17 */
1752 	uint32_t		SkipCount;                      /* 0x18 */
1753 	uint32_t		DataLength;                     /* 0x1C */
1754 	uint32_t		BidirectionalDataLength;        /* 0x20 */
1755 	uint16_t		IoFlags;                        /* 0x24 */
1756 	uint16_t		EEDPFlags;                      /* 0x26 */
1757 	uint32_t		EEDPBlockSize;                  /* 0x28 */
1758 	uint32_t		SecondaryReferenceTag;          /* 0x2C */
1759 	uint16_t		SecondaryApplicationTag;        /* 0x30 */
1760 	uint16_t		ApplicationTagTranslationMask;  /* 0x32 */
1761 	uint8_t			LUN[8];                         /* 0x34 */
1762 	uint32_t		Control;                        /* 0x3C */
1763 	MPI2_SCSI_IO_CDB_UNION	CDB;                            /* 0x40 */
1764 	MPI2_SCSI_IO_VENDOR_UNIQUE	RaidContext;              /* 0x60 */
1765 	MPI2_SGE_IO_UNION	SGL;                            /* 0x80 */
1766 } __packed;
1767 
1768 /*
1769  * MPT RAID MFA IO Descriptor.
1770  */
1771 typedef struct _MFI_RAID_MFA_IO_DESCRIPTOR {
1772 	uint32_t	RequestFlags : 8;
1773 	uint32_t	MessageAddress1 : 24; /* bits 31:8*/
1774 	uint32_t	MessageAddress2;      /* bits 61:32 */
1775 } MFI_RAID_MFA_IO_REQUEST_DESCRIPTOR,*PMFI_RAID_MFA_IO_REQUEST_DESCRIPTOR;
1776 
1777 struct mfi_mpi2_request_header {
1778 	uint8_t		RequestFlags;       /* 0x00 */
1779 	uint8_t		MSIxIndex;          /* 0x01 */
1780 	uint16_t	SMID;               /* 0x02 */
1781 	uint16_t	LMID;               /* 0x04 */
1782 };
1783 
1784 /* defines for the RequestFlags field */
1785 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK               (0x0E)
1786 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
1787 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET             (0x02)
1788 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY           (0x06)
1789 #define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE            (0x08)
1790 #define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR        (0x0A)
1791 
1792 #define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER (0x01)
1793 
1794 struct mfi_mpi2_request_high_priority {
1795 	struct mfi_mpi2_request_header	header;
1796 	uint16_t			reserved;
1797 };
1798 
1799 struct mfi_mpi2_request_scsi_io {
1800 	struct mfi_mpi2_request_header	header;
1801 	uint16_t			scsi_io_dev_handle;
1802 };
1803 
1804 struct mfi_mpi2_request_scsi_target {
1805 	struct mfi_mpi2_request_header	header;
1806 	uint16_t			scsi_target_io_index;
1807 };
1808 
1809 /* Request Descriptors */
1810 union mfi_mpi2_request_descriptor {
1811 	struct mfi_mpi2_request_header		header;
1812 	struct mfi_mpi2_request_high_priority	high_priority;
1813 	struct mfi_mpi2_request_scsi_io		scsi_io;
1814 	struct mfi_mpi2_request_scsi_target	scsi_target;
1815 	uint64_t				words;
1816 };
1817 
1818 
1819 struct mfi_mpi2_reply_header {
1820 	uint8_t		ReplyFlags;                 /* 0x00 */
1821 	uint8_t		MSIxIndex;                  /* 0x01 */
1822 	uint16_t	SMID;                       /* 0x02 */
1823 };
1824 
1825 /* defines for the ReplyFlags field */
1826 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK                   (0x0F)
1827 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS             (0x00)
1828 #define MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY               (0x01)
1829 #define MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS        (0x02)
1830 #define MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER       (0x03)
1831 #define MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS    (0x05)
1832 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED                      (0x0F)
1833 
1834 /* values for marking a reply descriptor as unused */
1835 #define MPI2_RPY_DESCRIPT_UNUSED_WORD0_MARK             (0xFFFFFFFF)
1836 #define MPI2_RPY_DESCRIPT_UNUSED_WORD1_MARK             (0xFFFFFFFF)
1837 
1838 struct mfi_mpi2_reply_default {
1839 	struct mfi_mpi2_reply_header	header;
1840 	uint32_t			DescriptorTypeDependent2;
1841 };
1842 
1843 struct mfi_mpi2_reply_address {
1844 	struct mfi_mpi2_reply_header	header;
1845 	uint32_t			ReplyFrameAddress;
1846 };
1847 
1848 struct mfi_mpi2_reply_scsi_io {
1849 	struct mfi_mpi2_reply_header	header;
1850 	uint16_t			TaskTag;		/* 0x04 */
1851 	uint16_t			Reserved1;		/* 0x06 */
1852 };
1853 
1854 struct mfi_mpi2_reply_target_assist {
1855 	struct mfi_mpi2_reply_header	header;
1856 	uint8_t				SequenceNumber;		/* 0x04 */
1857 	uint8_t				Reserved1;		/* 0x04 */
1858 	uint16_t			IoIndex;		/* 0x06 */
1859 };
1860 
1861 struct mfi_mpi2_reply_target_cmd_buffer {
1862 	struct mfi_mpi2_reply_header	header;
1863 	uint8_t				SequenceNumber;		/* 0x04 */
1864 	uint8_t				Flags;			/* 0x04 */
1865 	uint16_t			InitiatorDevHandle;	/* 0x06 */
1866 	uint16_t			IoIndex;		/* 0x06 */
1867 };
1868 
1869 struct mfi_mpi2_reply_raid_accel {
1870 	struct mfi_mpi2_reply_header	header;
1871 	uint8_t				SequenceNumber;		/* 0x04 */
1872 	uint32_t			Reserved;		/* 0x04 */
1873 };
1874 
1875 /* union of Reply Descriptors */
1876 union mfi_mpi2_reply_descriptor {
1877 	struct mfi_mpi2_reply_header		header;
1878 	struct mfi_mpi2_reply_scsi_io		scsi_io;
1879 	struct mfi_mpi2_reply_target_assist	target_assist;
1880 	struct mfi_mpi2_reply_target_cmd_buffer	target_cmd;
1881 	struct mfi_mpi2_reply_raid_accel	raid_accel;
1882 	struct mfi_mpi2_reply_default		reply_default;
1883 	uint64_t				words;
1884 };
1885 
1886 struct IO_REQUEST_INFO {
1887 	uint64_t	ldStartBlock;
1888 	uint32_t	numBlocks;
1889 	uint16_t	ldTgtId;
1890 	uint8_t		isRead;
1891 	uint16_t	devHandle;
1892 	uint64_t	pdBlock;
1893 	uint8_t		fpOkForIo;
1894 };
1895 
1896 #define MFI_SCSI_MAX_TARGETS	128
1897 #define MFI_SCSI_MAX_LUNS	8
1898 #define MFI_SCSI_INITIATOR_ID	255
1899 #define MFI_SCSI_MAX_CMDS	8
1900 #define MFI_SCSI_MAX_CDB_LEN	16
1901 
1902 #endif /* _MFIREG_H */
1903