xref: /freebsd/sys/dev/mfi/mfireg.h (revision 2008043f386721d58158e37e0d7e50df8095942d)
1 /*-
2  * SPDX-License-Identifier: 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 /*
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 interrupt 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_GET_PROPS =       0x01020100,
196 	MFI_DCMD_CTRL_SET_PROPS =       0x01020200,
197 	MFI_DCMD_CTRL_SHUTDOWN =	0x01050000,
198 	MFI_DCMD_CTRL_EVENT_GETINFO =	0x01040100,
199 	MFI_DCMD_CTRL_EVENT_GET =	0x01040300,
200 	MFI_DCMD_CTRL_EVENT_WAIT =	0x01040500,
201 	MFI_DCMD_PR_GET_STATUS =	0x01070100,
202 	MFI_DCMD_PR_GET_PROPERTIES =	0x01070200,
203 	MFI_DCMD_PR_SET_PROPERTIES =	0x01070300,
204 	MFI_DCMD_PR_START =		0x01070400,
205 	MFI_DCMD_PR_STOP =		0x01070500,
206 	MFI_DCMD_TIME_SECS_GET =	0x01080201,
207 	MFI_DCMD_FLASH_FW_OPEN =	0x010f0100,
208 	MFI_DCMD_FLASH_FW_DOWNLOAD =	0x010f0200,
209 	MFI_DCMD_FLASH_FW_FLASH =	0x010f0300,
210 	MFI_DCMD_FLASH_FW_CLOSE =	0x010f0400,
211 	MFI_DCMD_PD_GET_LIST =		0x02010000,
212 	MFI_DCMD_PD_LIST_QUERY =	0x02010100,
213 	MFI_DCMD_PD_GET_INFO = 		0x02020000,
214 	MFI_DCMD_PD_STATE_SET =		0x02030100,
215 	MFI_DCMD_PD_REBUILD_START =	0x02040100,
216 	MFI_DCMD_PD_REBUILD_ABORT =	0x02040200,
217 	MFI_DCMD_PD_CLEAR_START =	0x02050100,
218 	MFI_DCMD_PD_CLEAR_ABORT =	0x02050200,
219 	MFI_DCMD_PD_GET_PROGRESS =	0x02060000,
220 	MFI_DCMD_PD_LOCATE_START =	0x02070100,
221 	MFI_DCMD_PD_LOCATE_STOP =	0x02070200,
222 	MFI_DCMD_LD_MAP_GET_INFO =	0x0300e101,
223 	MFI_DCMD_LD_SYNC =		0x0300e102,
224 	MFI_DCMD_LD_GET_LIST =		0x03010000,
225 	MFI_DCMD_LD_GET_INFO =		0x03020000,
226 	MFI_DCMD_LD_GET_PROP =		0x03030000,
227 	MFI_DCMD_LD_SET_PROP =		0x03040000,
228 	MFI_DCMD_LD_INIT_START =	0x03060100,
229 	MFI_DCMD_LD_DELETE =		0x03090000,
230 	MFI_DCMD_CFG_READ =		0x04010000,
231 	MFI_DCMD_CFG_ADD =		0x04020000,
232 	MFI_DCMD_CFG_CLEAR =		0x04030000,
233 	MFI_DCMD_CFG_MAKE_SPARE =	0x04040000,
234 	MFI_DCMD_CFG_REMOVE_SPARE =	0x04050000,
235 	MFI_DCMD_CFG_FOREIGN_SCAN =     0x04060100,
236 	MFI_DCMD_CFG_FOREIGN_DISPLAY =  0x04060200,
237 	MFI_DCMD_CFG_FOREIGN_PREVIEW =  0x04060300,
238 	MFI_DCMD_CFG_FOREIGN_IMPORT =	0x04060400,
239 	MFI_DCMD_CFG_FOREIGN_CLEAR =    0x04060500,
240 	MFI_DCMD_BBU_GET_STATUS =	0x05010000,
241 	MFI_DCMD_BBU_GET_CAPACITY_INFO =0x05020000,
242 	MFI_DCMD_BBU_GET_DESIGN_INFO =	0x05030000,
243 	MFI_DCMD_BBU_START_LEARN =	0x05040000,
244 	MFI_DCMD_BBU_GET_PROP =		0x05050100,
245 	MFI_DCMD_BBU_SET_PROP =		0x05050200,
246 	MFI_DCMD_CLUSTER =		0x08000000,
247 	MFI_DCMD_CLUSTER_RESET_ALL =	0x08010100,
248 	MFI_DCMD_CLUSTER_RESET_LD =	0x08010200
249 } mfi_dcmd_t;
250 
251 /* Modifiers for MFI_DCMD_CTRL_FLUSHCACHE */
252 #define MFI_FLUSHCACHE_CTRL	0x01
253 #define MFI_FLUSHCACHE_DISK	0x02
254 
255 /* Modifiers for MFI_DCMD_CTRL_SHUTDOWN */
256 #define MFI_SHUTDOWN_SPINDOWN	0x01
257 
258 /*
259  * MFI Frame flags
260  */
261 #define MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
262 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
263 #define MFI_FRAME_SGL32				0x0000
264 #define MFI_FRAME_SGL64				0x0002
265 #define MFI_FRAME_SENSE32			0x0000
266 #define MFI_FRAME_SENSE64			0x0004
267 #define MFI_FRAME_DIR_NONE			0x0000
268 #define MFI_FRAME_DIR_WRITE			0x0008
269 #define MFI_FRAME_DIR_READ			0x0010
270 #define MFI_FRAME_DIR_BOTH			0x0018
271 #define MFI_FRAME_IEEE_SGL			0x0020
272 #define MFI_FRAME_FMT "\20" \
273     "\1NOPOST" \
274     "\2SGL64" \
275     "\3SENSE64" \
276     "\4WRITE" \
277     "\5READ" \
278     "\6IEEESGL"
279 
280 /* ThunderBolt Specific */
281 
282 /*
283  * Pre-TB command size and TB command size.
284  * We will be checking it at the load time for the time being
285  */
286 #define MR_COMMAND_SIZE (MFI_FRAME_SIZE*20) /* 1280 bytes */
287 
288 #define MEGASAS_THUNDERBOLT_MSG_ALLIGNMENT  256
289 /*
290  * We are defining only 128 byte message to reduce memory move over head
291  * and also it will reduce the SRB extension size by 128byte compared with
292  * 256 message size
293  */
294 #define MEGASAS_THUNDERBOLT_NEW_MSG_SIZE	256
295 #define MEGASAS_THUNDERBOLT_MAX_COMMANDS	1024
296 #define MEGASAS_THUNDERBOLT_MAX_REPLY_COUNT	1024
297 #define MEGASAS_THUNDERBOLT_REPLY_SIZE		8
298 #define MEGASAS_THUNDERBOLT_MAX_CHAIN_COUNT	1
299 #define MEGASAS_MAX_SZ_CHAIN_FRAME		1024
300 
301 #define MPI2_FUNCTION_PASSTHRU_IO_REQUEST       0xF0
302 #define MPI2_FUNCTION_LD_IO_REQUEST             0xF1
303 
304 #define MR_INTERNAL_MFI_FRAMES_SMID             1
305 #define MR_CTRL_EVENT_WAIT_SMID                 2
306 #define MR_INTERNAL_DRIVER_RESET_SMID           3
307 
308 /* MFI Status codes */
309 typedef enum {
310 	MFI_STAT_OK =			0x00,
311 	MFI_STAT_INVALID_CMD,
312 	MFI_STAT_INVALID_DCMD,
313 	MFI_STAT_INVALID_PARAMETER,
314 	MFI_STAT_INVALID_SEQUENCE_NUMBER,
315 	MFI_STAT_ABORT_NOT_POSSIBLE,
316 	MFI_STAT_APP_HOST_CODE_NOT_FOUND,
317 	MFI_STAT_APP_IN_USE,
318 	MFI_STAT_APP_NOT_INITIALIZED,
319 	MFI_STAT_ARRAY_INDEX_INVALID,
320 	MFI_STAT_ARRAY_ROW_NOT_EMPTY,
321 	MFI_STAT_CONFIG_RESOURCE_CONFLICT,
322 	MFI_STAT_DEVICE_NOT_FOUND,
323 	MFI_STAT_DRIVE_TOO_SMALL,
324 	MFI_STAT_FLASH_ALLOC_FAIL,
325 	MFI_STAT_FLASH_BUSY,
326 	MFI_STAT_FLASH_ERROR =		0x10,
327 	MFI_STAT_FLASH_IMAGE_BAD,
328 	MFI_STAT_FLASH_IMAGE_INCOMPLETE,
329 	MFI_STAT_FLASH_NOT_OPEN,
330 	MFI_STAT_FLASH_NOT_STARTED,
331 	MFI_STAT_FLUSH_FAILED,
332 	MFI_STAT_HOST_CODE_NOT_FOUNT,
333 	MFI_STAT_LD_CC_IN_PROGRESS,
334 	MFI_STAT_LD_INIT_IN_PROGRESS,
335 	MFI_STAT_LD_LBA_OUT_OF_RANGE,
336 	MFI_STAT_LD_MAX_CONFIGURED,
337 	MFI_STAT_LD_NOT_OPTIMAL,
338 	MFI_STAT_LD_RBLD_IN_PROGRESS,
339 	MFI_STAT_LD_RECON_IN_PROGRESS,
340 	MFI_STAT_LD_WRONG_RAID_LEVEL,
341 	MFI_STAT_MAX_SPARES_EXCEEDED,
342 	MFI_STAT_MEMORY_NOT_AVAILABLE =	0x20,
343 	MFI_STAT_MFC_HW_ERROR,
344 	MFI_STAT_NO_HW_PRESENT,
345 	MFI_STAT_NOT_FOUND,
346 	MFI_STAT_NOT_IN_ENCL,
347 	MFI_STAT_PD_CLEAR_IN_PROGRESS,
348 	MFI_STAT_PD_TYPE_WRONG,
349 	MFI_STAT_PR_DISABLED,
350 	MFI_STAT_ROW_INDEX_INVALID,
351 	MFI_STAT_SAS_CONFIG_INVALID_ACTION,
352 	MFI_STAT_SAS_CONFIG_INVALID_DATA,
353 	MFI_STAT_SAS_CONFIG_INVALID_PAGE,
354 	MFI_STAT_SAS_CONFIG_INVALID_TYPE,
355 	MFI_STAT_SCSI_DONE_WITH_ERROR,
356 	MFI_STAT_SCSI_IO_FAILED,
357 	MFI_STAT_SCSI_RESERVATION_CONFLICT,
358 	MFI_STAT_SHUTDOWN_FAILED =	0x30,
359 	MFI_STAT_TIME_NOT_SET,
360 	MFI_STAT_WRONG_STATE,
361 	MFI_STAT_LD_OFFLINE,
362 	MFI_STAT_PEER_NOTIFICATION_REJECTED,
363 	MFI_STAT_PEER_NOTIFICATION_FAILED,
364 	MFI_STAT_RESERVATION_IN_PROGRESS,
365 	MFI_STAT_I2C_ERRORS_DETECTED,
366 	MFI_STAT_PCI_ERRORS_DETECTED,
367 	MFI_STAT_DIAG_FAILED,
368 	MFI_STAT_BOOT_MSG_PENDING,
369 	MFI_STAT_FOREIGN_CONFIG_INCOMPLETE,
370 	MFI_STAT_INVALID_STATUS =	0xFF
371 } mfi_status_t;
372 
373 typedef enum {
374 	MFI_EVT_CLASS_DEBUG =		-2,
375 	MFI_EVT_CLASS_PROGRESS =	-1,
376 	MFI_EVT_CLASS_INFO =		0,
377 	MFI_EVT_CLASS_WARNING =		1,
378 	MFI_EVT_CLASS_CRITICAL =	2,
379 	MFI_EVT_CLASS_FATAL =		3,
380 	MFI_EVT_CLASS_DEAD =		4
381 } mfi_evt_class_t;
382 
383 typedef enum {
384 	MFI_EVT_LOCALE_LD =		0x0001,
385 	MFI_EVT_LOCALE_PD =		0x0002,
386 	MFI_EVT_LOCALE_ENCL =		0x0004,
387 	MFI_EVT_LOCALE_BBU =		0x0008,
388 	MFI_EVT_LOCALE_SAS =		0x0010,
389 	MFI_EVT_LOCALE_CTRL =		0x0020,
390 	MFI_EVT_LOCALE_CONFIG =		0x0040,
391 	MFI_EVT_LOCALE_CLUSTER =	0x0080,
392 	MFI_EVT_LOCALE_ALL =		0xffff
393 } mfi_evt_locale_t;
394 
395 typedef enum {
396 	MR_EVT_ARGS_NONE =		0x00,
397 	MR_EVT_ARGS_CDB_SENSE,
398 	MR_EVT_ARGS_LD,
399 	MR_EVT_ARGS_LD_COUNT,
400 	MR_EVT_ARGS_LD_LBA,
401 	MR_EVT_ARGS_LD_OWNER,
402 	MR_EVT_ARGS_LD_LBA_PD_LBA,
403 	MR_EVT_ARGS_LD_PROG,
404 	MR_EVT_ARGS_LD_STATE,
405 	MR_EVT_ARGS_LD_STRIP,
406 	MR_EVT_ARGS_PD,
407 	MR_EVT_ARGS_PD_ERR,
408 	MR_EVT_ARGS_PD_LBA,
409 	MR_EVT_ARGS_PD_LBA_LD,
410 	MR_EVT_ARGS_PD_PROG,
411 	MR_EVT_ARGS_PD_STATE,
412 	MR_EVT_ARGS_PCI,
413 	MR_EVT_ARGS_RATE,
414 	MR_EVT_ARGS_STR,
415 	MR_EVT_ARGS_TIME,
416 	MR_EVT_ARGS_ECC
417 } mfi_evt_args;
418 
419 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED	0x0152
420 #define MR_EVT_PD_REMOVED			0x0070
421 #define MR_EVT_PD_INSERTED			0x005b
422 #define MR_EVT_LD_CHANGE			0x0051
423 
424 typedef enum {
425 	MR_LD_CACHE_WRITE_BACK =	0x01,
426 	MR_LD_CACHE_WRITE_ADAPTIVE =	0x02,
427 	MR_LD_CACHE_READ_AHEAD =	0x04,
428 	MR_LD_CACHE_READ_ADAPTIVE =	0x08,
429 	MR_LD_CACHE_WRITE_CACHE_BAD_BBU=0x10,
430 	MR_LD_CACHE_ALLOW_WRITE_CACHE =	0x20,
431 	MR_LD_CACHE_ALLOW_READ_CACHE =	0x40
432 } mfi_ld_cache;
433 #define	MR_LD_CACHE_MASK	0x7f
434 
435 #define	MR_LD_CACHE_POLICY_READ_AHEAD_NONE		0
436 #define	MR_LD_CACHE_POLICY_READ_AHEAD_ALWAYS		MR_LD_CACHE_READ_AHEAD
437 #define	MR_LD_CACHE_POLICY_READ_AHEAD_ADAPTIVE		\
438 	(MR_LD_CACHE_READ_AHEAD | MR_LD_CACHE_READ_ADAPTIVE)
439 #define	MR_LD_CACHE_POLICY_WRITE_THROUGH		0
440 #define	MR_LD_CACHE_POLICY_WRITE_BACK			MR_LD_CACHE_WRITE_BACK
441 #define	MR_LD_CACHE_POLICY_IO_CACHED			\
442 	(MR_LD_CACHE_ALLOW_WRITE_CACHE | MR_LD_CACHE_ALLOW_READ_CACHE)
443 #define	MR_LD_CACHE_POLICY_IO_DIRECT			0
444 
445 typedef enum {
446 	MR_PD_CACHE_UNCHANGED  =	0,
447 	MR_PD_CACHE_ENABLE =		1,
448 	MR_PD_CACHE_DISABLE =		2
449 } mfi_pd_cache;
450 
451 typedef enum {
452 	MR_PD_QUERY_TYPE_ALL =		0,
453 	MR_PD_QUERY_TYPE_STATE =	1,
454 	MR_PD_QUERY_TYPE_POWER_STATE =	2,
455 	MR_PD_QUERY_TYPE_MEDIA_TYPE =	3,
456 	MR_PD_QUERY_TYPE_SPEED =	4,
457 	MR_PD_QUERY_TYPE_EXPOSED_TO_HOST = 5 /*query for system drives */
458 } mfi_pd_query_type;
459 
460 /*
461  * Other propertities and definitions
462  */
463 #define MFI_MAX_PD_CHANNELS	2
464 #define MFI_MAX_LD_CHANNELS	2
465 #define MFI_MAX_CHANNELS	(MFI_MAX_PD_CHANNELS + MFI_MAX_LD_CHANNELS)
466 #define MFI_MAX_CHANNEL_DEVS	128
467 #define MFI_DEFAULT_ID		-1
468 #define MFI_MAX_LUN		8
469 #define MFI_MAX_LD		64
470 #define	MFI_MAX_PD		256
471 
472 #define MFI_FRAME_SIZE		64
473 #define MFI_MBOX_SIZE		12
474 
475 /* Firmware flashing can take 50+ seconds */
476 #define MFI_POLL_TIMEOUT_SECS	60
477 
478 /* Allow for speedier math calculations */
479 #define MFI_SECTOR_LEN		512
480 
481 /* Scatter Gather elements */
482 struct mfi_sg32 {
483 	uint32_t	addr;
484 	uint32_t	len;
485 } __packed;
486 
487 struct mfi_sg64 {
488 	uint64_t	addr;
489 	uint32_t	len;
490 } __packed;
491 
492 struct mfi_sg_skinny {
493 	uint64_t	addr;
494 	uint32_t	len;
495 	uint32_t	flag;
496 } __packed;
497 
498 union mfi_sgl {
499 	struct mfi_sg32		sg32[1];
500 	struct mfi_sg64		sg64[1];
501 	struct mfi_sg_skinny	sg_skinny[1];
502 } __packed;
503 
504 /* Message frames.  All messages have a common header */
505 struct mfi_frame_header {
506 	uint8_t		cmd;
507 	uint8_t		sense_len;
508 	uint8_t		cmd_status;
509 	uint8_t		scsi_status;
510 	uint8_t		target_id;
511 	uint8_t		lun_id;
512 	uint8_t		cdb_len;
513 	uint8_t		sg_count;
514 	uint32_t	context;
515 	/*
516 	 * pad0 is MSI Specific. Not used by Driver. Zero the value before
517 	 * sending the command to f/w.
518 	 */
519 	uint32_t	pad0;
520 	uint16_t	flags;
521 #define MFI_FRAME_DATAOUT	0x08
522 #define MFI_FRAME_DATAIN	0x10
523 	uint16_t	timeout;
524 	uint32_t	data_len;
525 } __packed;
526 
527 struct mfi_init_frame {
528 	struct mfi_frame_header	header;
529 	uint32_t	qinfo_new_addr_lo;
530 	uint32_t	qinfo_new_addr_hi;
531 	uint32_t	qinfo_old_addr_lo;
532 	uint32_t	qinfo_old_addr_hi;
533 	// Start LSIP200113393
534 	uint32_t	driver_ver_lo;      /*28h */
535 	uint32_t	driver_ver_hi;      /*2Ch */
536 
537 	uint32_t	reserved[4];
538 	// End LSIP200113393
539 } __packed;
540 
541 /*
542  * Define MFI Address Context union.
543  */
544 #ifdef MFI_ADDRESS_IS_uint64_t
545     typedef uint64_t     MFI_ADDRESS;
546 #else
547     typedef union _MFI_ADDRESS {
548         struct {
549             uint32_t     addressLow;
550             uint32_t     addressHigh;
551         } u;
552         uint64_t     address;
553     } MFI_ADDRESS, *PMFI_ADDRESS;
554 #endif
555 
556 #define MFI_IO_FRAME_SIZE 40
557 struct mfi_io_frame {
558 	struct mfi_frame_header	header;
559 	uint32_t	sense_addr_lo;
560 	uint32_t	sense_addr_hi;
561 	uint32_t	lba_lo;
562 	uint32_t	lba_hi;
563 	union mfi_sgl	sgl;
564 } __packed;
565 
566 #define MFI_PASS_FRAME_SIZE 48
567 struct mfi_pass_frame {
568 	struct mfi_frame_header header;
569 	uint32_t	sense_addr_lo;
570 	uint32_t	sense_addr_hi;
571 	uint8_t		cdb[16];
572 	union mfi_sgl	sgl;
573 } __packed;
574 
575 #define MFI_DCMD_FRAME_SIZE 40
576 struct mfi_dcmd_frame {
577 	struct mfi_frame_header header;
578 	uint32_t	opcode;
579 	uint8_t		mbox[MFI_MBOX_SIZE];
580 	union mfi_sgl	sgl;
581 } __packed;
582 
583 struct mfi_abort_frame {
584 	struct mfi_frame_header header;
585 	uint32_t	abort_context;
586 	/* pad is changed to reserved.*/
587 	uint32_t	reserved0;
588 	uint32_t	abort_mfi_addr_lo;
589 	uint32_t	abort_mfi_addr_hi;
590 	uint32_t	reserved1[6];
591 } __packed;
592 
593 struct mfi_smp_frame {
594 	struct mfi_frame_header header;
595 	uint64_t	sas_addr;
596 	union {
597 		struct mfi_sg32 sg32[2];
598 		struct mfi_sg64 sg64[2];
599 	} sgl;
600 } __packed;
601 
602 struct mfi_stp_frame {
603 	struct mfi_frame_header header;
604 	uint16_t	fis[10];
605 	uint32_t	stp_flags;
606 	union {
607 		struct mfi_sg32 sg32[2];
608 		struct mfi_sg64 sg64[2];
609 	} sgl;
610 } __packed;
611 
612 union mfi_frame {
613 	struct mfi_frame_header header;
614 	struct mfi_init_frame	init;
615 	/* ThunderBolt Initialization */
616 	struct mfi_io_frame	io;
617 	struct mfi_pass_frame	pass;
618 	struct mfi_dcmd_frame	dcmd;
619 	struct mfi_abort_frame	abort;
620 	struct mfi_smp_frame	smp;
621 	struct mfi_stp_frame	stp;
622 	uint8_t			bytes[MFI_FRAME_SIZE];
623 };
624 
625 #define MFI_SENSE_LEN 128
626 struct mfi_sense {
627 	uint8_t		data[MFI_SENSE_LEN];
628 };
629 
630 /* The queue init structure that is passed with the init message */
631 struct mfi_init_qinfo {
632 	uint32_t	flags;
633 	uint32_t	rq_entries;
634 	uint32_t	rq_addr_lo;
635 	uint32_t	rq_addr_hi;
636 	uint32_t	pi_addr_lo;
637 	uint32_t	pi_addr_hi;
638 	uint32_t	ci_addr_lo;
639 	uint32_t	ci_addr_hi;
640 } __packed;
641 
642 /* SAS (?) controller properties, part of mfi_ctrl_info */
643 struct mfi_ctrl_props {
644 	uint16_t	seq_num;
645 	uint16_t	pred_fail_poll_interval;
646 	uint16_t	intr_throttle_cnt;
647 	uint16_t	intr_throttle_timeout;
648 	uint8_t		rebuild_rate;
649 	uint8_t		patrol_read_rate;
650 	uint8_t		bgi_rate;
651 	uint8_t		cc_rate;
652 	uint8_t		recon_rate;
653 	uint8_t		cache_flush_interval;
654 	uint8_t		spinup_drv_cnt;
655 	uint8_t		spinup_delay;
656 	uint8_t		cluster_enable;
657 	uint8_t		coercion_mode;
658 	uint8_t		alarm_enable;
659 	uint8_t		disable_auto_rebuild;
660 	uint8_t		disable_battery_warn;
661 	uint8_t		ecc_bucket_size;
662 	uint16_t	ecc_bucket_leak_rate;
663 	uint8_t		restore_hotspare_on_insertion;
664 	uint8_t		expose_encl_devices;
665 	uint8_t		maintainPdFailHistory;
666 	uint8_t		disallowHostRequestReordering;
667 	/* set TRUE to abort CC on detecting an inconsistency */
668 	uint8_t		abortCCOnError;
669 	/* load balance mode (MR_LOAD_BALANCE_MODE) */
670 	uint8_t		loadBalanceMode;
671 	/*
672 	 * 0 - use auto detect logic of backplanes like SGPIO, i2c SEP using
673 	 *     h/w mechansim like GPIO pins
674 	 * 1 - disable auto detect SGPIO,
675 	 * 2 - disable i2c SEP auto detect
676 	 * 3 - disable both auto detect
677 	 */
678 	uint8_t		disableAutoDetectBackplane;
679 	/*
680 	 * % of source LD to be reserved for a VDs snapshot in snapshot
681 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on
682 	 */
683 	uint8_t		snapVDSpace;
684 
685 	/*
686 	 * Add properties that can be controlled by a bit in the following
687 	 * structure.
688 	 */
689 	struct {
690 		/* set TRUE to disable copyBack (0=copback enabled) */
691 		uint32_t	copyBackDisabled		:1;
692 		uint32_t	SMARTerEnabled			:1;
693 		uint32_t	prCorrectUnconfiguredAreas	:1;
694 		uint32_t	useFdeOnly			:1;
695 		uint32_t	disableNCQ			:1;
696 		uint32_t	SSDSMARTerEnabled		:1;
697 		uint32_t	SSDPatrolReadEnabled		:1;
698 		uint32_t	enableSpinDownUnconfigured	:1;
699 		uint32_t	autoEnhancedImport		:1;
700 		uint32_t	enableSecretKeyControl		:1;
701 		uint32_t	disableOnlineCtrlReset		:1;
702 		uint32_t	allowBootWithPinnedCache	:1;
703 		uint32_t	disableSpinDownHS		:1;
704 		uint32_t	enableJBOD			:1;
705 		uint32_t	reserved			:18;
706 	} OnOffProperties;
707 	/*
708 	 * % of source LD to be reserved for auto snapshot in snapshot
709 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on.
710 	 */
711 	uint8_t		autoSnapVDSpace;
712 	/*
713 	 * Snapshot writeable VIEWs capacity as a % of source LD capacity:
714 	 * 0=READ only, 1=5%, 2=10%, 3=15% and so on.
715 	 */
716 	uint8_t		viewSpace;
717 	/* # of idle minutes before device is spun down (0=use FW defaults) */
718 	uint16_t	spinDownTime;
719 	uint8_t		reserved[24];
720 } __packed;
721 
722 /* PCI information about the card. */
723 struct mfi_info_pci {
724 	uint16_t	vendor;
725 	uint16_t	device;
726 	uint16_t	subvendor;
727 	uint16_t	subdevice;
728 	uint8_t		reserved[24];
729 } __packed;
730 
731 /* Host (front end) interface information */
732 struct mfi_info_host {
733 	uint8_t		type;
734 #define MFI_INFO_HOST_PCIX	0x01
735 #define MFI_INFO_HOST_PCIE	0x02
736 #define MFI_INFO_HOST_ISCSI	0x04
737 #define MFI_INFO_HOST_SAS3G	0x08
738 	uint8_t		reserved[6];
739 	uint8_t		port_count;
740 	uint64_t	port_addr[8];
741 } __packed;
742 
743 /* Device (back end) interface information */
744 struct mfi_info_device {
745 	uint8_t		type;
746 #define MFI_INFO_DEV_SPI	0x01
747 #define MFI_INFO_DEV_SAS3G	0x02
748 #define MFI_INFO_DEV_SATA1	0x04
749 #define MFI_INFO_DEV_SATA3G	0x08
750 	uint8_t		reserved[6];
751 	uint8_t		port_count;
752 	uint64_t	port_addr[8];
753 } __packed;
754 
755 /* Firmware component information */
756 struct mfi_info_component {
757 	char		 name[8];
758 	char		 version[32];
759 	char		 build_date[16];
760 	char		 build_time[16];
761 } __packed;
762 
763 /* Controller default settings */
764 struct mfi_defaults {
765 	uint64_t	sas_addr;
766 	uint8_t		phy_polarity;
767 	uint8_t		background_rate;
768 	uint8_t		stripe_size;
769 	uint8_t		flush_time;
770 	uint8_t		write_back;
771 	uint8_t		read_ahead;
772 	uint8_t		cache_when_bbu_bad;
773 	uint8_t		cached_io;
774 	uint8_t		smart_mode;
775 	uint8_t		alarm_disable;
776 	uint8_t		coercion;
777 	uint8_t		zrc_config;
778 	uint8_t		dirty_led_shows_drive_activity;
779 	uint8_t		bios_continue_on_error;
780 	uint8_t		spindown_mode;
781 	uint8_t		allowed_device_types;
782 	uint8_t		allow_mix_in_enclosure;
783 	uint8_t		allow_mix_in_ld;
784 	uint8_t		allow_sata_in_cluster;
785 	uint8_t		max_chained_enclosures;
786 	uint8_t		disable_ctrl_r;
787 	uint8_t		enabel_web_bios;
788 	uint8_t		phy_polarity_split;
789 	uint8_t		direct_pd_mapping;
790 	uint8_t		bios_enumerate_lds;
791 	uint8_t		restored_hot_spare_on_insertion;
792 	uint8_t		expose_enclosure_devices;
793 	uint8_t		maintain_pd_fail_history;
794 	uint8_t		resv[28];
795 } __packed;
796 
797 /* Controller default settings */
798 struct mfi_bios_data {
799 	uint16_t	boot_target_id;
800 	uint8_t		do_not_int_13;
801 	uint8_t		continue_on_error;
802 	uint8_t		verbose;
803 	uint8_t		geometry;
804 	uint8_t		expose_all_drives;
805 	uint8_t		reserved[56];
806 	uint8_t		check_sum;
807 } __packed;
808 
809 /* SAS (?) controller info, returned from MFI_DCMD_CTRL_GETINFO. */
810 struct mfi_ctrl_info {
811 	struct mfi_info_pci	pci;
812 	struct mfi_info_host	host;
813 	struct mfi_info_device	device;
814 
815 	/* Firmware components that are present and active. */
816 	uint32_t		image_check_word;
817 	uint32_t		image_component_count;
818 	struct mfi_info_component image_component[8];
819 
820 	/* Firmware components that have been flashed but are inactive */
821 	uint32_t		pending_image_component_count;
822 	struct mfi_info_component pending_image_component[8];
823 
824 	uint8_t			max_arms;
825 	uint8_t			max_spans;
826 	uint8_t			max_arrays;
827 	uint8_t			max_lds;
828 	char			product_name[80];
829 	char			serial_number[32];
830 	uint32_t		hw_present;
831 #define MFI_INFO_HW_BBU		0x01
832 #define MFI_INFO_HW_ALARM	0x02
833 #define MFI_INFO_HW_NVRAM	0x04
834 #define MFI_INFO_HW_UART	0x08
835 	uint32_t		current_fw_time;
836 	uint16_t		max_cmds;
837 	uint16_t		max_sg_elements;
838 	uint32_t		max_request_size;
839 	uint16_t		lds_present;
840 	uint16_t		lds_degraded;
841 	uint16_t		lds_offline;
842 	uint16_t		pd_present;
843 	uint16_t		pd_disks_present;
844 	uint16_t		pd_disks_pred_failure;
845 	uint16_t		pd_disks_failed;
846 	uint16_t		nvram_size;
847 	uint16_t		memory_size;
848 	uint16_t		flash_size;
849 	uint16_t		ram_correctable_errors;
850 	uint16_t		ram_uncorrectable_errors;
851 	uint8_t			cluster_allowed;
852 	uint8_t			cluster_active;
853 	uint16_t		max_strips_per_io;
854 
855 	uint32_t		raid_levels;
856 #define MFI_INFO_RAID_0		0x01
857 #define MFI_INFO_RAID_1		0x02
858 #define MFI_INFO_RAID_5		0x04
859 #define MFI_INFO_RAID_1E	0x08
860 #define MFI_INFO_RAID_6		0x10
861 
862 	uint32_t		adapter_ops;
863 #define MFI_INFO_AOPS_RBLD_RATE		0x0001
864 #define MFI_INFO_AOPS_CC_RATE		0x0002
865 #define MFI_INFO_AOPS_BGI_RATE		0x0004
866 #define MFI_INFO_AOPS_RECON_RATE	0x0008
867 #define MFI_INFO_AOPS_PATROL_RATE	0x0010
868 #define MFI_INFO_AOPS_ALARM_CONTROL	0x0020
869 #define MFI_INFO_AOPS_CLUSTER_SUPPORTED	0x0040
870 #define MFI_INFO_AOPS_BBU		0x0080
871 #define MFI_INFO_AOPS_SPANNING_ALLOWED	0x0100
872 #define MFI_INFO_AOPS_DEDICATED_SPARES	0x0200
873 #define MFI_INFO_AOPS_REVERTIBLE_SPARES	0x0400
874 #define MFI_INFO_AOPS_FOREIGN_IMPORT	0x0800
875 #define MFI_INFO_AOPS_SELF_DIAGNOSTIC	0x1000
876 #define MFI_INFO_AOPS_MIXED_ARRAY	0x2000
877 #define MFI_INFO_AOPS_GLOBAL_SPARES	0x4000
878 
879 	uint32_t		ld_ops;
880 #define MFI_INFO_LDOPS_READ_POLICY	0x01
881 #define MFI_INFO_LDOPS_WRITE_POLICY	0x02
882 #define MFI_INFO_LDOPS_IO_POLICY	0x04
883 #define MFI_INFO_LDOPS_ACCESS_POLICY	0x08
884 #define MFI_INFO_LDOPS_DISK_CACHE_POLICY 0x10
885 
886 	struct {
887 		uint8_t		min;
888 		uint8_t		max;
889 		uint8_t		reserved[2];
890 	} __packed stripe_sz_ops;
891 
892 	uint32_t		pd_ops;
893 #define MFI_INFO_PDOPS_FORCE_ONLINE	0x01
894 #define MFI_INFO_PDOPS_FORCE_OFFLINE	0x02
895 #define MFI_INFO_PDOPS_FORCE_REBUILD	0x04
896 
897 	uint32_t		pd_mix_support;
898 #define MFI_INFO_PDMIX_SAS		0x01
899 #define MFI_INFO_PDMIX_SATA		0x02
900 #define MFI_INFO_PDMIX_ENCL		0x04
901 #define MFI_INFO_PDMIX_LD		0x08
902 #define MFI_INFO_PDMIX_SATA_CLUSTER	0x10
903 
904 	uint8_t			ecc_bucket_count;
905 	uint8_t			reserved2[11];
906 	struct mfi_ctrl_props	properties;
907 	char			package_version[0x60];
908 	uint8_t			pad[0x800 - 0x6a0];
909 } __packed;
910 
911 /* keep track of an event. */
912 union mfi_evt {
913 	struct {
914 		uint16_t	locale;
915 		uint8_t		reserved;
916 		int8_t		evt_class;
917 	} members;
918 	uint32_t		word;
919 } __packed;
920 
921 /* event log state. */
922 struct mfi_evt_log_state {
923 	uint32_t		newest_seq_num;
924 	uint32_t		oldest_seq_num;
925 	uint32_t		clear_seq_num;
926 	uint32_t		shutdown_seq_num;
927 	uint32_t		boot_seq_num;
928 } __packed;
929 
930 struct mfi_progress {
931 	uint16_t		progress;
932 	uint16_t		elapsed_seconds;
933 } __packed;
934 
935 struct mfi_evt_ld {
936 	uint16_t		target_id;
937 	uint8_t			ld_index;
938 	uint8_t			reserved;
939 } __packed;
940 
941 struct mfi_evt_pd {
942 	uint16_t		device_id;
943 	uint8_t			enclosure_index;
944 	uint8_t			slot_number;
945 } __packed;
946 
947 /* SAS (?) event detail, returned from MFI_DCMD_CTRL_EVENT_WAIT. */
948 struct mfi_evt_detail {
949 	uint32_t		seq;
950 	uint32_t		time;
951 	uint32_t		code;
952 	union mfi_evt		evt_class;
953 	uint8_t			arg_type;
954 	uint8_t			reserved1[15];
955 
956 	union {
957 		struct {
958 			struct mfi_evt_pd	pd;
959 			uint8_t			cdb_len;
960 			uint8_t			sense_len;
961 			uint8_t			reserved[2];
962 			uint8_t			cdb[16];
963 			uint8_t			sense[64];
964 		} cdb_sense;
965 
966 		struct mfi_evt_ld		ld;
967 
968 		struct {
969 			struct mfi_evt_ld	ld;
970 			uint64_t		count;
971 		} ld_count;
972 
973 		struct {
974 			uint64_t		lba;
975 			struct mfi_evt_ld	ld;
976 		} ld_lba;
977 
978 		struct {
979 			struct mfi_evt_ld	ld;
980 			uint32_t		pre_owner;
981 			uint32_t		new_owner;
982 		} ld_owner;
983 
984 		struct {
985 			uint64_t		ld_lba;
986 			uint64_t		pd_lba;
987 			struct mfi_evt_ld	ld;
988 			struct mfi_evt_pd	pd;
989 		} ld_lba_pd_lba;
990 
991 		struct {
992 			struct mfi_evt_ld	ld;
993 			struct mfi_progress	prog;
994 		} ld_prog;
995 
996 		struct {
997 			struct mfi_evt_ld	ld;
998 			uint32_t		prev_state;
999 			uint32_t		new_state;
1000 		} ld_state;
1001 
1002 		struct {
1003 			uint64_t		strip;
1004 			struct mfi_evt_ld	ld;
1005 		} ld_strip;
1006 
1007 		struct mfi_evt_pd		pd;
1008 
1009 		struct {
1010 			struct mfi_evt_pd	pd;
1011 			uint32_t		err;
1012 		} pd_err;
1013 
1014 		struct {
1015 			uint64_t		lba;
1016 			struct mfi_evt_pd	pd;
1017 		} pd_lba;
1018 
1019 		struct {
1020 			uint64_t		lba;
1021 			struct mfi_evt_pd	pd;
1022 			struct mfi_evt_ld	ld;
1023 		} pd_lba_ld;
1024 
1025 		struct {
1026 			struct mfi_evt_pd	pd;
1027 			struct mfi_progress	prog;
1028 		} pd_prog;
1029 
1030 		struct {
1031 			struct mfi_evt_pd	ld;
1032 			uint32_t		prev_state;
1033 			uint32_t		new_state;
1034 		} pd_state;
1035 
1036 		struct {
1037 			uint16_t		venderId;
1038 			uint16_t		deviceId;
1039 			uint16_t		subVenderId;
1040 			uint16_t		subDeviceId;
1041 		} pci;
1042 
1043 		uint32_t			rate;
1044 
1045 		char				str[96];
1046 
1047 		struct {
1048 			uint32_t		rtc;
1049 			uint16_t		elapsedSeconds;
1050 		} time;
1051 
1052 		struct {
1053 			uint32_t		ecar;
1054 			uint32_t		elog;
1055 			char			str[64];
1056 		} ecc;
1057 
1058 		uint8_t		b[96];
1059 		uint16_t	s[48];
1060 		uint32_t	w[24];
1061 		uint64_t	d[12];
1062 	} args;
1063 
1064 	char description[128];
1065 } __packed;
1066 
1067 struct mfi_evt_list {
1068 	uint32_t		count;
1069 	uint32_t		reserved;
1070 	struct mfi_evt_detail	event[1];
1071 } __packed;
1072 
1073 union mfi_pd_ref {
1074 	struct {
1075 		uint16_t	device_id;
1076 		uint16_t	seq_num;
1077 	} v;
1078 	uint32_t	ref;
1079 } __packed;
1080 
1081 union mfi_pd_ddf_type {
1082 	struct {
1083 		union {
1084 			struct {
1085 				uint16_t	forced_pd_guid	: 1;
1086 				uint16_t	in_vd		: 1;
1087 				uint16_t	is_global_spare	: 1;
1088 				uint16_t	is_spare	: 1;
1089 				uint16_t	is_foreign	: 1;
1090 				uint16_t	reserved	: 7;
1091 				uint16_t	intf		: 4;
1092 			} pd_type;
1093 			uint16_t	type;
1094 		} v;
1095 		uint16_t		reserved;
1096 	} ddf;
1097 	struct {
1098 		uint32_t		reserved;
1099 	} non_disk;
1100 	uint32_t			type;
1101 } __packed;
1102 
1103 struct mfi_pd_progress {
1104 	uint32_t			active;
1105 #define	MFI_PD_PROGRESS_REBUILD	(1<<0)
1106 #define	MFI_PD_PROGRESS_PATROL	(1<<1)
1107 #define	MFI_PD_PROGRESS_CLEAR	(1<<2)
1108 	struct mfi_progress		rbld;
1109 	struct mfi_progress		patrol;
1110 	struct mfi_progress		clear;
1111 	struct mfi_progress		reserved[4];
1112 } __packed;
1113 
1114 struct mfi_pd_info {
1115 	union mfi_pd_ref		ref;
1116 	uint8_t				inquiry_data[96];
1117 	uint8_t				vpd_page83[64];
1118 	uint8_t				not_supported;
1119 	uint8_t				scsi_dev_type;
1120 	uint8_t				connected_port_bitmap;
1121 	uint8_t				device_speed;
1122 	uint32_t			media_err_count;
1123 	uint32_t			other_err_count;
1124 	uint32_t			pred_fail_count;
1125 	uint32_t			last_pred_fail_event_seq_num;
1126 	uint16_t			fw_state;	/* MFI_PD_STATE_* */
1127 	uint8_t				disabled_for_removal;
1128 	uint8_t				link_speed;
1129 	union mfi_pd_ddf_type		state;
1130 	struct {
1131 		uint8_t			count;
1132 		uint8_t			is_path_broken;
1133 		uint8_t			reserved[6];
1134 		uint64_t		sas_addr[4];
1135 	} path_info;
1136 	uint64_t			raw_size;
1137 	uint64_t			non_coerced_size;
1138 	uint64_t			coerced_size;
1139 	uint16_t			encl_device_id;
1140 	uint8_t				encl_index;
1141 	uint8_t				slot_number;
1142 	struct mfi_pd_progress		prog_info;
1143 	uint8_t				bad_block_table_full;
1144 	uint8_t				unusable_in_current_config;
1145 	uint8_t				vpd_page83_ext[64];
1146 	uint8_t				reserved[512-358];
1147 } __packed;
1148 
1149 struct mfi_pd_address {
1150 	uint16_t		device_id;
1151 	uint16_t		encl_device_id;
1152 	uint8_t			encl_index;
1153 	uint8_t			slot_number;
1154 	uint8_t			scsi_dev_type;	/* 0 = disk */
1155 	uint8_t			connect_port_bitmap;
1156 	uint64_t		sas_addr[2];
1157 } __packed;
1158 
1159 #define MAX_SYS_PDS 240
1160 struct mfi_pd_list {
1161 	uint32_t		size;
1162 	uint32_t		count;
1163 	struct mfi_pd_address	addr[MAX_SYS_PDS];
1164 } __packed;
1165 
1166 enum mfi_pd_state {
1167 	MFI_PD_STATE_UNCONFIGURED_GOOD = 0x00,
1168 	MFI_PD_STATE_UNCONFIGURED_BAD = 0x01,
1169 	MFI_PD_STATE_HOT_SPARE = 0x02,
1170 	MFI_PD_STATE_OFFLINE = 0x10,
1171 	MFI_PD_STATE_FAILED = 0x11,
1172 	MFI_PD_STATE_REBUILD = 0x14,
1173 	MFI_PD_STATE_ONLINE = 0x18,
1174 	MFI_PD_STATE_COPYBACK = 0x20,
1175 	MFI_PD_STATE_SYSTEM = 0x40
1176 };
1177 
1178 /*
1179  * "SYSTEM" disk appears to be "JBOD" support from the RAID controller.
1180  * Adding a #define to denote this.
1181  */
1182 #define MFI_PD_STATE_JBOD MFI_PD_STATE_SYSTEM
1183 
1184 union mfi_ld_ref {
1185 	struct {
1186 		uint8_t		target_id;
1187 		uint8_t		reserved;
1188 		uint16_t	seq;
1189 	} v;
1190 	uint32_t		ref;
1191 } __packed;
1192 
1193 struct mfi_ld_list {
1194 	uint32_t		ld_count;
1195 	uint32_t		reserved1;
1196 	struct {
1197 		union mfi_ld_ref	ld;
1198 		uint8_t		state;
1199 		uint8_t		reserved2[3];
1200 		uint64_t	size;
1201 	} ld_list[MFI_MAX_LD];
1202 } __packed;
1203 
1204 enum mfi_ld_access {
1205 	MFI_LD_ACCESS_RW =	0,
1206 	MFI_LD_ACCSSS_RO = 	2,
1207 	MFI_LD_ACCESS_BLOCKED =	3,
1208 };
1209 #define MFI_LD_ACCESS_MASK	3
1210 
1211 enum mfi_ld_state {
1212 	MFI_LD_STATE_OFFLINE =			0,
1213 	MFI_LD_STATE_PARTIALLY_DEGRADED =	1,
1214 	MFI_LD_STATE_DEGRADED =			2,
1215 	MFI_LD_STATE_OPTIMAL =			3
1216 };
1217 
1218 struct mfi_ld_props {
1219 	union mfi_ld_ref	ld;
1220 	char			name[16];
1221 	uint8_t			default_cache_policy;
1222 	uint8_t			access_policy;
1223 	uint8_t			disk_cache_policy;
1224 	uint8_t			current_cache_policy;
1225 	uint8_t			no_bgi;
1226 	uint8_t			reserved[7];
1227 } __packed;
1228 
1229 struct mfi_ld_params {
1230 	uint8_t			primary_raid_level;
1231 	uint8_t			raid_level_qualifier;
1232 	uint8_t			secondary_raid_level;
1233 	uint8_t			stripe_size;
1234 	uint8_t			num_drives;
1235 	uint8_t			span_depth;
1236 	uint8_t			state;
1237 	uint8_t			init_state;
1238 #define	MFI_LD_PARAMS_INIT_NO		0
1239 #define	MFI_LD_PARAMS_INIT_QUICK	1
1240 #define	MFI_LD_PARAMS_INIT_FULL		2
1241 	uint8_t			is_consistent;
1242 	uint8_t			reserved1[6];
1243 	uint8_t			isSSCD;
1244 	uint8_t			reserved2[16];
1245 } __packed;
1246 
1247 struct mfi_ld_progress {
1248 	uint32_t		active;
1249 #define	MFI_LD_PROGRESS_CC	(1<<0)
1250 #define	MFI_LD_PROGRESS_BGI	(1<<1)
1251 #define	MFI_LD_PROGRESS_FGI	(1<<2)
1252 #define	MFI_LD_PROGRESS_RECON	(1<<3)
1253 	struct mfi_progress	cc;
1254 	struct mfi_progress	bgi;
1255 	struct mfi_progress	fgi;
1256 	struct mfi_progress	recon;
1257 	struct mfi_progress	reserved[4];
1258 } __packed;
1259 
1260 struct mfi_span {
1261 	uint64_t		start_block;
1262 	uint64_t		num_blocks;
1263 	uint16_t		array_ref;
1264 	uint8_t			reserved[6];
1265 } __packed;
1266 
1267 #define	MFI_MAX_SPAN_DEPTH	8
1268 struct mfi_ld_config {
1269 	struct mfi_ld_props	properties;
1270 	struct mfi_ld_params	params;
1271 	struct mfi_span		span[MFI_MAX_SPAN_DEPTH];
1272 } __packed;
1273 
1274 struct mfi_ld_info {
1275 	struct mfi_ld_config	ld_config;
1276 	uint64_t		size;
1277 	struct mfi_ld_progress	progress;
1278 	uint16_t		cluster_owner;
1279 	uint8_t			reconstruct_active;
1280 	uint8_t			reserved1[1];
1281 	uint8_t			vpd_page83[64];
1282 	uint8_t			reserved2[16];
1283 } __packed;
1284 
1285 #define MFI_MAX_ARRAYS 16
1286 struct mfi_spare {
1287 	union mfi_pd_ref	ref;
1288 	uint8_t			spare_type;
1289 #define	MFI_SPARE_DEDICATED	(1 << 0)
1290 #define	MFI_SPARE_REVERTIBLE	(1 << 1)
1291 #define	MFI_SPARE_ENCL_AFFINITY	(1 << 2)
1292 	uint8_t			reserved[2];
1293 	uint8_t			array_count;
1294 	uint16_t		array_ref[MFI_MAX_ARRAYS];
1295 } __packed;
1296 
1297 #define MFI_MAX_ROW_SIZE 32
1298 struct mfi_array {
1299 	uint64_t			size;
1300 	uint8_t				num_drives;
1301 	uint8_t				reserved;
1302 	uint16_t			array_ref;
1303 	uint8_t				pad[20];
1304 	struct {
1305 		union mfi_pd_ref	ref;	/* 0xffff == missing drive */
1306 		uint16_t		fw_state;	/* MFI_PD_STATE_* */
1307 		struct {
1308 			uint8_t		pd;
1309 			uint8_t		slot;
1310 		} encl;
1311 	} pd[MFI_MAX_ROW_SIZE];
1312 } __packed;
1313 
1314 struct mfi_config_data {
1315 	uint32_t		size;
1316 	uint16_t		array_count;
1317 	uint16_t		array_size;
1318 	uint16_t		log_drv_count;
1319 	uint16_t		log_drv_size;
1320 	uint16_t		spares_count;
1321 	uint16_t		spares_size;
1322 	uint8_t			reserved[16];
1323 	struct mfi_array	array[0];
1324 	struct mfi_ld_config	ld[0];
1325 	struct mfi_spare	spare[0];
1326 } __packed;
1327 
1328 struct mfi_bbu_capacity_info {
1329 	uint16_t		relative_charge;
1330 	uint16_t		absolute_charge;
1331 	uint16_t		remaining_capacity;
1332 	uint16_t		full_charge_capacity;
1333 	uint16_t		run_time_to_empty;
1334 	uint16_t		average_time_to_empty;
1335 	uint16_t		average_time_to_full;
1336 	uint16_t		cycle_count;
1337 	uint16_t		max_error;
1338 	uint16_t		remaining_capacity_alarm;
1339 	uint16_t		remaining_time_alarm;
1340 	uint8_t			reserved[26];
1341 } __packed;
1342 
1343 struct mfi_bbu_design_info {
1344 	uint32_t		mfg_date;
1345 	uint16_t		design_capacity;
1346 	uint16_t		design_voltage;
1347 	uint16_t		spec_info;
1348 	uint16_t		serial_number;
1349 	uint16_t		pack_stat_config;
1350 	uint8_t			mfg_name[12];
1351 	uint8_t			device_name[8];
1352 	uint8_t			device_chemistry[8];
1353 	uint8_t			mfg_data[8];
1354 	uint8_t			reserved[17];
1355 } __packed;
1356 
1357 struct mfi_ibbu_state {
1358 	uint16_t		gas_guage_status;
1359 	uint16_t		relative_charge;
1360 	uint16_t		charger_system_state;
1361 	uint16_t		charger_system_ctrl;
1362 	uint16_t		charging_current;
1363 	uint16_t		absolute_charge;
1364 	uint16_t		max_error;
1365 	uint8_t			reserved[18];
1366 } __packed;
1367 
1368 struct mfi_bbu_state {
1369 	uint16_t		gas_guage_status;
1370 	uint16_t		relative_charge;
1371 	uint16_t		charger_status;
1372 	uint16_t		remaining_capacity;
1373 	uint16_t		full_charge_capacity;
1374 	uint8_t			is_SOH_good;
1375 	uint8_t			reserved[21];
1376 } __packed;
1377 
1378 struct mfi_bbu_properties {
1379 	uint32_t		auto_learn_period;
1380 	uint32_t		next_learn_time;
1381 	uint8_t			learn_delay_interval;
1382 	uint8_t			auto_learn_mode;
1383 	uint8_t			bbu_mode;
1384 	uint8_t			reserved[21];
1385 } __packed;
1386 
1387 union mfi_bbu_status_detail {
1388 	struct mfi_ibbu_state	ibbu;
1389 	struct mfi_bbu_state	bbu;
1390 };
1391 
1392 struct mfi_bbu_status {
1393 	uint8_t			battery_type;
1394 #define	MFI_BBU_TYPE_NONE	0
1395 #define	MFI_BBU_TYPE_IBBU	1
1396 #define	MFI_BBU_TYPE_BBU	2
1397 	uint8_t			reserved;
1398 	uint16_t		voltage;
1399 	int16_t			current;
1400 	uint16_t		temperature;
1401 	uint32_t		fw_status;
1402 #define	MFI_BBU_STATE_PACK_MISSING	(1 << 0)
1403 #define	MFI_BBU_STATE_VOLTAGE_LOW	(1 << 1)
1404 #define	MFI_BBU_STATE_TEMPERATURE_HIGH	(1 << 2)
1405 #define	MFI_BBU_STATE_CHARGE_ACTIVE	(1 << 3)
1406 #define	MFI_BBU_STATE_DISCHARGE_ACTIVE	(1 << 4)
1407 #define	MFI_BBU_STATE_LEARN_CYC_REQ	(1 << 5)
1408 #define	MFI_BBU_STATE_LEARN_CYC_ACTIVE	(1 << 6)
1409 #define	MFI_BBU_STATE_LEARN_CYC_FAIL	(1 << 7)
1410 #define	MFI_BBU_STATE_LEARN_CYC_TIMEOUT	(1 << 8)
1411 #define	MFI_BBU_STATE_I2C_ERR_DETECT	(1 << 9)
1412 	uint8_t			pad[20];
1413 	union mfi_bbu_status_detail detail;
1414 } __packed;
1415 
1416 enum mfi_pr_state {
1417 	MFI_PR_STATE_STOPPED = 0,
1418 	MFI_PR_STATE_READY = 1,
1419 	MFI_PR_STATE_ACTIVE = 2,
1420 	MFI_PR_STATE_ABORTED = 0xff
1421 };
1422 
1423 struct mfi_pr_status {
1424 	uint32_t		num_iteration;
1425 	uint8_t			state;
1426 	uint8_t			num_pd_done;
1427 	uint8_t			reserved[10];
1428 };
1429 
1430 enum mfi_pr_opmode {
1431 	MFI_PR_OPMODE_AUTO = 0,
1432 	MFI_PR_OPMODE_MANUAL = 1,
1433 	MFI_PR_OPMODE_DISABLED = 2
1434 };
1435 
1436 struct mfi_pr_properties {
1437 	uint8_t			op_mode;
1438 	uint8_t			max_pd;
1439 	uint8_t			reserved;
1440 	uint8_t			exclude_ld_count;
1441 	uint16_t		excluded_ld[MFI_MAX_LD];
1442 	uint8_t			cur_pd_map[MFI_MAX_PD / 8];
1443 	uint8_t			last_pd_map[MFI_MAX_PD / 8];
1444 	uint32_t		next_exec;
1445 	uint32_t		exec_freq;
1446 	uint32_t		clear_freq;
1447 };
1448 
1449 /* ThunderBolt support */
1450 
1451 /*
1452  * Raid Context structure which describes MegaRAID specific IO Paramenters
1453  * This resides at offset 0x60 where the SGL normally starts in MPT IO Frames
1454  */
1455 typedef struct _MPI2_SCSI_IO_VENDOR_UNIQUE {
1456 	uint16_t	resvd0;		/* 0x00 - 0x01 */
1457 	uint16_t	timeoutValue;	/* 0x02 - 0x03 */
1458 	uint8_t		regLockFlags;
1459 	uint8_t		armId;
1460 	uint16_t	TargetID;	/* 0x06 - 0x07 */
1461 
1462 	uint64_t	RegLockLBA;	/* 0x08 - 0x0F */
1463 
1464 	uint32_t	RegLockLength;	/* 0x10 - 0x13 */
1465 
1466 	uint16_t	SMID;		/* 0x14 - 0x15 nextLMId */
1467 	uint8_t		exStatus;	/* 0x16 */
1468 	uint8_t		Status;		/* 0x17 status */
1469 
1470 	uint8_t		RAIDFlags;	/* 0x18 */
1471 	uint8_t		numSGE;		/* 0x19 numSge */
1472 	uint16_t	configSeqNum;	/* 0x1A - 0x1B */
1473 	uint8_t		spanArm;	/* 0x1C */
1474 	uint8_t		resvd2[3];	/* 0x1D - 0x1F */
1475 } MPI2_SCSI_IO_VENDOR_UNIQUE, MPI25_SCSI_IO_VENDOR_UNIQUE;
1476 
1477 /*****************************************************************************
1478 *
1479 *        Message Functions
1480 *
1481 *****************************************************************************/
1482 
1483 #define NA_MPI2_FUNCTION_SCSI_IO_REQUEST            (0x00) /* SCSI IO */
1484 #define MPI2_FUNCTION_SCSI_TASK_MGMT                (0x01) /* SCSI Task Management */
1485 #define MPI2_FUNCTION_IOC_INIT                      (0x02) /* IOC Init */
1486 #define MPI2_FUNCTION_IOC_FACTS                     (0x03) /* IOC Facts */
1487 #define MPI2_FUNCTION_CONFIG                        (0x04) /* Configuration */
1488 #define MPI2_FUNCTION_PORT_FACTS                    (0x05) /* Port Facts */
1489 #define MPI2_FUNCTION_PORT_ENABLE                   (0x06) /* Port Enable */
1490 #define MPI2_FUNCTION_EVENT_NOTIFICATION            (0x07) /* Event Notification */
1491 #define MPI2_FUNCTION_EVENT_ACK                     (0x08) /* Event Acknowledge */
1492 #define MPI2_FUNCTION_FW_DOWNLOAD                   (0x09) /* FW Download */
1493 #define MPI2_FUNCTION_TARGET_ASSIST                 (0x0B) /* Target Assist */
1494 #define MPI2_FUNCTION_TARGET_STATUS_SEND            (0x0C) /* Target Status Send */
1495 #define MPI2_FUNCTION_TARGET_MODE_ABORT             (0x0D) /* Target Mode Abort */
1496 #define MPI2_FUNCTION_FW_UPLOAD                     (0x12) /* FW Upload */
1497 #define MPI2_FUNCTION_RAID_ACTION                   (0x15) /* RAID Action */
1498 #define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH      (0x16) /* SCSI IO RAID Passthrough */
1499 #define MPI2_FUNCTION_TOOLBOX                       (0x17) /* Toolbox */
1500 #define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR      (0x18) /* SCSI Enclosure Processor */
1501 #define MPI2_FUNCTION_SMP_PASSTHROUGH               (0x1A) /* SMP Passthrough */
1502 #define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL           (0x1B) /* SAS IO Unit Control */
1503 #define MPI2_FUNCTION_SATA_PASSTHROUGH              (0x1C) /* SATA Passthrough */
1504 #define MPI2_FUNCTION_DIAG_BUFFER_POST              (0x1D) /* Diagnostic Buffer Post */
1505 #define MPI2_FUNCTION_DIAG_RELEASE                  (0x1E) /* Diagnostic Release */
1506 #define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST      (0x24) /* Target Command Buffer Post Base */
1507 #define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST      (0x25) /* Target Command Buffer Post List */
1508 #define MPI2_FUNCTION_RAID_ACCELERATOR              (0x2C) /* RAID Accelerator */
1509 #define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION   (0x2F) /* Host Based Discovery Action */
1510 #define MPI2_FUNCTION_PWR_MGMT_CONTROL              (0x30) /* Power Management Control */
1511 #define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC          (0xF0) /* beginning of product-specific range */
1512 #define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC          (0xFF) /* end of product-specific range */
1513 
1514 /* Doorbell functions */
1515 #define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET        (0x40)
1516 #define MPI2_FUNCTION_HANDSHAKE                     (0x42)
1517 
1518 /*****************************************************************************
1519 *
1520 *        MPI Version Definitions
1521 *
1522 *****************************************************************************/
1523 
1524 #define MPI2_VERSION_MAJOR                  (0x02)
1525 #define MPI2_VERSION_MINOR                  (0x00)
1526 #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
1527 #define MPI2_VERSION_MAJOR_SHIFT            (8)
1528 #define MPI2_VERSION_MINOR_MASK             (0x00FF)
1529 #define MPI2_VERSION_MINOR_SHIFT            (0)
1530 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) |   \
1531                                       MPI2_VERSION_MINOR)
1532 
1533 #define MPI2_VERSION_02_00                  (0x0200)
1534 
1535 /* versioning for this MPI header set */
1536 #define MPI2_HEADER_VERSION_UNIT            (0x10)
1537 #define MPI2_HEADER_VERSION_DEV             (0x00)
1538 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
1539 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
1540 #define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
1541 #define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
1542 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) |		\
1543 					MPI2_HEADER_VERSION_DEV)
1544 
1545 /* IOCInit Request message */
1546 struct MPI2_IOC_INIT_REQUEST {
1547 	uint8_t		WhoInit;                        /* 0x00 */
1548 	uint8_t		Reserved1;                      /* 0x01 */
1549 	uint8_t		ChainOffset;                    /* 0x02 */
1550 	uint8_t		Function;                       /* 0x03 */
1551 	uint16_t	Reserved2;                      /* 0x04 */
1552 	uint8_t		Reserved3;                      /* 0x06 */
1553 	uint8_t		MsgFlags;                       /* 0x07 */
1554 	uint8_t		VP_ID;                          /* 0x08 */
1555 	uint8_t		VF_ID;                          /* 0x09 */
1556 	uint16_t	Reserved4;                      /* 0x0A */
1557 	uint16_t	MsgVersion;                     /* 0x0C */
1558 	uint16_t	HeaderVersion;                  /* 0x0E */
1559 	uint32_t	Reserved5;                      /* 0x10 */
1560 	uint16_t	Reserved6;                      /* 0x14 */
1561 	uint8_t		Reserved7;                      /* 0x16 */
1562 	uint8_t		HostMSIxVectors;                /* 0x17 */
1563 	uint16_t	Reserved8;                      /* 0x18 */
1564 	uint16_t	SystemRequestFrameSize;         /* 0x1A */
1565 	uint16_t	ReplyDescriptorPostQueueDepth;  /* 0x1C */
1566 	uint16_t	ReplyFreeQueueDepth;            /* 0x1E */
1567 	uint32_t	SenseBufferAddressHigh;         /* 0x20 */
1568 	uint32_t	SystemReplyAddressHigh;         /* 0x24 */
1569 	uint64_t	SystemRequestFrameBaseAddress;  /* 0x28 */
1570 	uint64_t	ReplyDescriptorPostQueueAddress;/* 0x30 */
1571 	uint64_t	ReplyFreeQueueAddress;          /* 0x38 */
1572 	uint64_t	TimeStamp;                      /* 0x40 */
1573 };
1574 
1575 /* WhoInit values */
1576 #define MPI2_WHOINIT_NOT_INITIALIZED            (0x00)
1577 #define MPI2_WHOINIT_SYSTEM_BIOS                (0x01)
1578 #define MPI2_WHOINIT_ROM_BIOS                   (0x02)
1579 #define MPI2_WHOINIT_PCI_PEER                   (0x03)
1580 #define MPI2_WHOINIT_HOST_DRIVER                (0x04)
1581 #define MPI2_WHOINIT_MANUFACTURER               (0x05)
1582 
1583 struct MPI2_SGE_CHAIN_UNION {
1584 	uint16_t	Length;
1585 	uint8_t		NextChainOffset;
1586 	uint8_t		Flags;
1587 	union {
1588 		uint32_t	Address32;
1589 		uint64_t	Address64;
1590 	} u;
1591 };
1592 
1593 struct MPI2_IEEE_SGE_SIMPLE32 {
1594 	uint32_t	Address;
1595 	uint32_t	FlagsLength;
1596 };
1597 
1598 struct MPI2_IEEE_SGE_SIMPLE64 {
1599 	uint64_t	Address;
1600 	uint32_t	Length;
1601 	uint16_t	Reserved1;
1602 	uint8_t		Reserved2;
1603 	uint8_t		Flags;
1604 };
1605 
1606 typedef union _MPI2_IEEE_SGE_SIMPLE_UNION {
1607 	struct MPI2_IEEE_SGE_SIMPLE32	Simple32;
1608 	struct MPI2_IEEE_SGE_SIMPLE64	Simple64;
1609 } MPI2_IEEE_SGE_SIMPLE_UNION;
1610 
1611 typedef struct _MPI2_SGE_SIMPLE_UNION {
1612 	uint32_t	FlagsLength;
1613 	union {
1614 		uint32_t	Address32;
1615 		uint64_t	Address64;
1616 	} u;
1617 } MPI2_SGE_SIMPLE_UNION;
1618 
1619 /****************************************************************************
1620 *  IEEE SGE field definitions and masks
1621 ****************************************************************************/
1622 
1623 /* Flags field bit definitions */
1624 
1625 #define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK   (0x80)
1626 
1627 #define MPI2_IEEE32_SGE_FLAGS_SHIFT             (24)
1628 
1629 #define MPI2_IEEE32_SGE_LENGTH_MASK             (0x00FFFFFF)
1630 
1631 /* Element Type */
1632 
1633 #define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT      (0x00)
1634 #define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT       (0x80)
1635 
1636 /* Data Location Address Space */
1637 
1638 #define MPI2_IEEE_SGE_FLAGS_ADDR_MASK           (0x03)
1639 #define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR         (0x00)
1640 #define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR         (0x01)
1641 #define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR         (0x02)
1642 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03)
1643 
1644 /* Address Size */
1645 
1646 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
1647 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
1648 
1649 /*******************/
1650 /* SCSI IO Control bits */
1651 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_MASK      (0xFC000000)
1652 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT     (26)
1653 
1654 #define MPI2_SCSIIO_CONTROL_DATADIRECTION_MASK  (0x03000000)
1655 #define MPI2_SCSIIO_CONTROL_NODATATRANSFER      (0x00000000)
1656 #define MPI2_SCSIIO_CONTROL_WRITE               (0x01000000)
1657 #define MPI2_SCSIIO_CONTROL_READ                (0x02000000)
1658 #define MPI2_SCSIIO_CONTROL_BIDIRECTIONAL       (0x03000000)
1659 
1660 #define MPI2_SCSIIO_CONTROL_TASKPRI_MASK        (0x00007800)
1661 #define MPI2_SCSIIO_CONTROL_TASKPRI_SHIFT       (11)
1662 
1663 #define MPI2_SCSIIO_CONTROL_TASKATTRIBUTE_MASK  (0x00000700)
1664 #define MPI2_SCSIIO_CONTROL_SIMPLEQ             (0x00000000)
1665 #define MPI2_SCSIIO_CONTROL_HEADOFQ             (0x00000100)
1666 #define MPI2_SCSIIO_CONTROL_ORDEREDQ            (0x00000200)
1667 #define MPI2_SCSIIO_CONTROL_ACAQ                (0x00000400)
1668 
1669 #define MPI2_SCSIIO_CONTROL_TLR_MASK            (0x000000C0)
1670 #define MPI2_SCSIIO_CONTROL_NO_TLR              (0x00000000)
1671 #define MPI2_SCSIIO_CONTROL_TLR_ON              (0x00000040)
1672 #define MPI2_SCSIIO_CONTROL_TLR_OFF             (0x00000080)
1673 
1674 /*******************/
1675 
1676 typedef struct {
1677 	uint8_t		CDB[20];                    /* 0x00 */
1678 	uint32_t	PrimaryReferenceTag;        /* 0x14 */
1679 	uint16_t	PrimaryApplicationTag;      /* 0x18 */
1680 	uint16_t	PrimaryApplicationTagMask;  /* 0x1A */
1681 	uint32_t	TransferLength;             /* 0x1C */
1682 } MPI2_SCSI_IO_CDB_EEDP32;
1683 
1684 typedef union _MPI2_IEEE_SGE_CHAIN_UNION {
1685 	struct MPI2_IEEE_SGE_SIMPLE32	Chain32;
1686 	struct MPI2_IEEE_SGE_SIMPLE64	Chain64;
1687 } MPI2_IEEE_SGE_CHAIN_UNION;
1688 
1689 typedef union _MPI2_SIMPLE_SGE_UNION {
1690 	MPI2_SGE_SIMPLE_UNION		MpiSimple;
1691 	MPI2_IEEE_SGE_SIMPLE_UNION	IeeeSimple;
1692 } MPI2_SIMPLE_SGE_UNION;
1693 
1694 typedef union _MPI2_SGE_IO_UNION {
1695 	MPI2_SGE_SIMPLE_UNION		MpiSimple;
1696 	struct MPI2_SGE_CHAIN_UNION	MpiChain;
1697 	MPI2_IEEE_SGE_SIMPLE_UNION	IeeeSimple;
1698 	MPI2_IEEE_SGE_CHAIN_UNION	IeeeChain;
1699 } MPI2_SGE_IO_UNION;
1700 
1701 typedef union {
1702 	uint8_t			CDB32[32];
1703 	MPI2_SCSI_IO_CDB_EEDP32	EEDP32;
1704 	MPI2_SGE_SIMPLE_UNION	SGE;
1705 } MPI2_SCSI_IO_CDB_UNION;
1706 
1707 /* MPI 2.5 SGLs */
1708 
1709 #define MPI25_IEEE_SGE_FLAGS_END_OF_LIST        (0x40)
1710 
1711 typedef struct _MPI25_IEEE_SGE_CHAIN64 {
1712 	uint64_t	Address;
1713 	uint32_t	Length;
1714 	uint16_t	Reserved1;
1715 	uint8_t		NextChainOffset;
1716 	uint8_t		Flags;
1717 } MPI25_IEEE_SGE_CHAIN64, *pMpi25IeeeSgeChain64_t;
1718 
1719 /* use MPI2_IEEE_SGE_FLAGS_ defines for the Flags field */
1720 
1721 /********/
1722 
1723 /*
1724  * RAID SCSI IO Request Message
1725  * Total SGE count will be one less than  _MPI2_SCSI_IO_REQUEST
1726  */
1727 struct mfi_mpi2_request_raid_scsi_io {
1728 	uint16_t		DevHandle;                      /* 0x00 */
1729 	uint8_t			ChainOffset;                    /* 0x02 */
1730 	uint8_t			Function;                       /* 0x03 */
1731 	uint16_t		Reserved1;                      /* 0x04 */
1732 	uint8_t			Reserved2;                      /* 0x06 */
1733 	uint8_t			MsgFlags;                       /* 0x07 */
1734 	uint8_t			VP_ID;                          /* 0x08 */
1735 	uint8_t			VF_ID;                          /* 0x09 */
1736 	uint16_t		Reserved3;                      /* 0x0A */
1737 	uint32_t		SenseBufferLowAddress;          /* 0x0C */
1738 	uint16_t		SGLFlags;                       /* 0x10 */
1739 	uint8_t			SenseBufferLength;              /* 0x12 */
1740 	uint8_t			Reserved4;                      /* 0x13 */
1741 	uint8_t			SGLOffset0;                     /* 0x14 */
1742 	uint8_t			SGLOffset1;                     /* 0x15 */
1743 	uint8_t			SGLOffset2;                     /* 0x16 */
1744 	uint8_t			SGLOffset3;                     /* 0x17 */
1745 	uint32_t		SkipCount;                      /* 0x18 */
1746 	uint32_t		DataLength;                     /* 0x1C */
1747 	uint32_t		BidirectionalDataLength;        /* 0x20 */
1748 	uint16_t		IoFlags;                        /* 0x24 */
1749 	uint16_t		EEDPFlags;                      /* 0x26 */
1750 	uint32_t		EEDPBlockSize;                  /* 0x28 */
1751 	uint32_t		SecondaryReferenceTag;          /* 0x2C */
1752 	uint16_t		SecondaryApplicationTag;        /* 0x30 */
1753 	uint16_t		ApplicationTagTranslationMask;  /* 0x32 */
1754 	uint8_t			LUN[8];                         /* 0x34 */
1755 	uint32_t		Control;                        /* 0x3C */
1756 	MPI2_SCSI_IO_CDB_UNION	CDB;                            /* 0x40 */
1757 	MPI2_SCSI_IO_VENDOR_UNIQUE	RaidContext;              /* 0x60 */
1758 	MPI2_SGE_IO_UNION	SGL;                            /* 0x80 */
1759 } __packed;
1760 
1761 /*
1762  * MPT RAID MFA IO Descriptor.
1763  */
1764 typedef struct _MFI_RAID_MFA_IO_DESCRIPTOR {
1765 	uint32_t	RequestFlags : 8;
1766 	uint32_t	MessageAddress1 : 24; /* bits 31:8*/
1767 	uint32_t	MessageAddress2;      /* bits 61:32 */
1768 } MFI_RAID_MFA_IO_REQUEST_DESCRIPTOR,*PMFI_RAID_MFA_IO_REQUEST_DESCRIPTOR;
1769 
1770 struct mfi_mpi2_request_header {
1771 	uint8_t		RequestFlags;       /* 0x00 */
1772 	uint8_t		MSIxIndex;          /* 0x01 */
1773 	uint16_t	SMID;               /* 0x02 */
1774 	uint16_t	LMID;               /* 0x04 */
1775 };
1776 
1777 /* defines for the RequestFlags field */
1778 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK               (0x0E)
1779 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
1780 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET             (0x02)
1781 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY           (0x06)
1782 #define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE            (0x08)
1783 #define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR        (0x0A)
1784 
1785 #define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER (0x01)
1786 
1787 struct mfi_mpi2_request_high_priority {
1788 	struct mfi_mpi2_request_header	header;
1789 	uint16_t			reserved;
1790 };
1791 
1792 struct mfi_mpi2_request_scsi_io {
1793 	struct mfi_mpi2_request_header	header;
1794 	uint16_t			scsi_io_dev_handle;
1795 };
1796 
1797 struct mfi_mpi2_request_scsi_target {
1798 	struct mfi_mpi2_request_header	header;
1799 	uint16_t			scsi_target_io_index;
1800 };
1801 
1802 /* Request Descriptors */
1803 union mfi_mpi2_request_descriptor {
1804 	struct mfi_mpi2_request_header		header;
1805 	struct mfi_mpi2_request_high_priority	high_priority;
1806 	struct mfi_mpi2_request_scsi_io		scsi_io;
1807 	struct mfi_mpi2_request_scsi_target	scsi_target;
1808 	uint64_t				words;
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