xref: /freebsd/sys/dev/mfi/mfireg.h (revision 730cecb05aaf016ac52ef7cfc691ccec3a0408cd)
1 /*-
2  * Copyright (c) 2006 IronPort Systems
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 /*-
27  * Copyright (c) 2007 LSI Corp.
28  * Copyright (c) 2007 Rajesh Prabhakaran.
29  * All rights reserved.
30  *
31  * Redistribution and use in source and binary forms, with or without
32  * modification, are permitted provided that the following conditions
33  * are met:
34  * 1. Redistributions of source code must retain the above copyright
35  *    notice, this list of conditions and the following disclaimer.
36  * 2. Redistributions in binary form must reproduce the above copyright
37  *    notice, this list of conditions and the following disclaimer in the
38  *    documentation and/or other materials provided with the distribution.
39  *
40  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
41  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50  * SUCH DAMAGE.
51  */
52 
53 #ifndef _MFIREG_H
54 #define _MFIREG_H
55 
56 #include <sys/cdefs.h>
57 __FBSDID("$FreeBSD$");
58 
59 /*
60  * MegaRAID SAS MFI firmware definitions
61  *
62  * Calling this driver 'MegaRAID SAS' is a bit misleading.  It's a completely
63  * new firmware interface from the old AMI MegaRAID one, and there is no
64  * reason why this interface should be limited to just SAS.  In any case, LSI
65  * seems to also call this interface 'MFI', so that will be used here.
66  */
67 #define MEGAMFI_FRAME_SIZE              64
68 /*
69  * Start with the register set.  All registers are 32 bits wide.
70  * The usual Intel IOP style setup.
71  */
72 #define MFI_IMSG0	0x10	/* Inbound message 0 */
73 #define MFI_IMSG1	0x14	/* Inbound message 1 */
74 #define MFI_OMSG0	0x18	/* Outbound message 0 */
75 #define MFI_OMSG1	0x1c	/* Outbound message 1 */
76 #define MFI_IDB		0x20	/* Inbound doorbell */
77 #define MFI_ISTS	0x24	/* Inbound interrupt status */
78 #define MFI_IMSK	0x28	/* Inbound interrupt mask */
79 #define MFI_ODB		0x2c	/* Outbound doorbell */
80 #define MFI_OSTS	0x30	/* Outbound interrupt status */
81 #define MFI_OMSK	0x34	/* Outbound interrupt mask */
82 #define MFI_IQP		0x40	/* Inbound queue port */
83 #define MFI_OQP		0x44	/* Outbound queue port */
84 
85 /*
86 *  ThunderBolt specific Register
87 */
88 
89 #define MFI_RFPI	0x48 		/* reply_free_post_host_index */
90 #define MFI_RPI		0x6c 		/* reply_post_host_index */
91 #define MFI_ILQP 	0xc0		/* inbound_low_queue_port */
92 #define MFI_IHQP 	0xc4		/* inbound_high_queue_port */
93 
94 /*
95  * 1078 specific related register
96  */
97 #define MFI_ODR0	0x9c 		/* outbound doorbell register0 */
98 #define MFI_ODCR0	0xa0 		/* outbound doorbell clear register0  */
99 #define MFI_OSP0	0xb0 		/* outbound scratch pad0  */
100 #define MFI_1078_EIM	0x80000004 	/* 1078 enable intrrupt mask  */
101 #define MFI_RMI		0x2 		/* reply message interrupt  */
102 #define MFI_1078_RM	0x80000000 	/* reply 1078 message interrupt  */
103 #define MFI_ODC		0x4 		/* outbound doorbell change interrupt */
104 
105 /* OCR registers */
106 #define MFI_WSR		0x004		/* write sequence register */
107 #define MFI_HDR		0x008		/* host diagnostic register */
108 #define MFI_RSR		0x3c3		/* Reset Status Register */
109 
110 /*
111  * GEN2 specific changes
112  */
113 #define MFI_GEN2_EIM	0x00000005	/* GEN2 enable interrupt mask */
114 #define MFI_GEN2_RM	0x00000001	/* reply GEN2 message interrupt */
115 
116 /*
117  * skinny specific changes
118  */
119 #define MFI_SKINNY_IDB	0x00	/* Inbound doorbell is at 0x00 for skinny */
120 #define MFI_IQPL	0x000000c0
121 #define MFI_IQPH	0x000000c4
122 #define MFI_SKINNY_RM	0x00000001	/* reply skinny message interrupt */
123 
124 /* Bits for MFI_OSTS */
125 #define MFI_OSTS_INTR_VALID	0x00000002
126 
127 /* OCR specific flags */
128 #define MFI_FIRMWARE_STATE_CHANGE	0x00000002
129 #define MFI_STATE_CHANGE_INTERRUPT	0x00000004  /* MFI state change interrrupt */
130 
131 /*
132  * Firmware state values.  Found in OMSG0 during initialization.
133  */
134 #define MFI_FWSTATE_MASK		0xf0000000
135 #define MFI_FWSTATE_UNDEFINED		0x00000000
136 #define MFI_FWSTATE_BB_INIT		0x10000000
137 #define MFI_FWSTATE_FW_INIT		0x40000000
138 #define MFI_FWSTATE_WAIT_HANDSHAKE	0x60000000
139 #define MFI_FWSTATE_FW_INIT_2		0x70000000
140 #define MFI_FWSTATE_DEVICE_SCAN		0x80000000
141 #define MFI_FWSTATE_BOOT_MESSAGE_PENDING	0x90000000
142 #define MFI_FWSTATE_FLUSH_CACHE		0xa0000000
143 #define MFI_FWSTATE_READY		0xb0000000
144 #define MFI_FWSTATE_OPERATIONAL		0xc0000000
145 #define MFI_FWSTATE_FAULT		0xf0000000
146 #define MFI_FWSTATE_MAXSGL_MASK		0x00ff0000
147 #define MFI_FWSTATE_MAXCMD_MASK		0x0000ffff
148 #define MFI_FWSTATE_HOSTMEMREQD_MASK	0x08000000
149 #define MFI_FWSTATE_BOOT_MESSAGE_PENDING	0x90000000
150 #define MFI_RESET_REQUIRED		0x00000001
151 
152 /* ThunderBolt Support */
153 #define MFI_FWSTATE_TB_MASK		0xf0000000
154 #define MFI_FWSTATE_TB_RESET		0x00000000
155 #define MFI_FWSTATE_TB_READY		0x10000000
156 #define MFI_FWSTATE_TB_OPERATIONAL	0x20000000
157 #define MFI_FWSTATE_TB_FAULT		0x40000000
158 
159 /*
160  * Control bits to drive the card to ready state.  These go into the IDB
161  * register.
162  */
163 #define MFI_FWINIT_ABORT	0x00000000 /* Abort all pending commands */
164 #define MFI_FWINIT_READY	0x00000002 /* Move from operational to ready */
165 #define MFI_FWINIT_MFIMODE	0x00000004 /* unknown */
166 #define MFI_FWINIT_CLEAR_HANDSHAKE 0x00000008 /* Respond to WAIT_HANDSHAKE */
167 #define MFI_FWINIT_HOTPLUG	0x00000010
168 
169 /* ADP reset flags */
170 #define MFI_STOP_ADP		0x00000020
171 #define MFI_ADP_RESET		0x00000040
172 #define DIAG_WRITE_ENABLE	0x00000080
173 #define DIAG_RESET_ADAPTER	0x00000004
174 
175 /* MFI Commands */
176 typedef enum {
177 	MFI_CMD_INIT =		0x00,
178 	MFI_CMD_LD_READ,
179 	MFI_CMD_LD_WRITE,
180 	MFI_CMD_LD_SCSI_IO,
181 	MFI_CMD_PD_SCSI_IO,
182 	MFI_CMD_DCMD,
183 	MFI_CMD_ABORT,
184 	MFI_CMD_SMP,
185 	MFI_CMD_STP
186 } mfi_cmd_t;
187 
188 /* Direct commands */
189 typedef enum {
190 	MFI_DCMD_CTRL_GETINFO =		0x01010000,
191 	MFI_DCMD_CTRL_MFI_HOST_MEM_ALLOC =0x0100e100,
192 	MFI_DCMD_CTRL_MFC_DEFAULTS_GET =0x010e0201,
193 	MFI_DCMD_CTRL_MFC_DEFAULTS_SET =0x010e0202,
194 	MFI_DCMD_CTRL_FLUSHCACHE =	0x01101000,
195 	MFI_DCMD_CTRL_SHUTDOWN =	0x01050000,
196 	MFI_DCMD_CTRL_EVENT_GETINFO =	0x01040100,
197 	MFI_DCMD_CTRL_EVENT_GET =	0x01040300,
198 	MFI_DCMD_CTRL_EVENT_WAIT =	0x01040500,
199 	MFI_DCMD_PR_GET_STATUS =	0x01070100,
200 	MFI_DCMD_PR_GET_PROPERTIES =	0x01070200,
201 	MFI_DCMD_PR_SET_PROPERTIES =	0x01070300,
202 	MFI_DCMD_PR_START =		0x01070400,
203 	MFI_DCMD_PR_STOP =		0x01070500,
204 	MFI_DCMD_TIME_SECS_GET =	0x01080201,
205 	MFI_DCMD_FLASH_FW_OPEN =	0x010f0100,
206 	MFI_DCMD_FLASH_FW_DOWNLOAD =	0x010f0200,
207 	MFI_DCMD_FLASH_FW_FLASH =	0x010f0300,
208 	MFI_DCMD_FLASH_FW_CLOSE =	0x010f0400,
209 	MFI_DCMD_PD_GET_LIST =		0x02010000,
210 	MFI_DCMD_PD_LIST_QUERY =	0x02010100,
211 	MFI_DCMD_PD_GET_INFO = 		0x02020000,
212 	MFI_DCMD_PD_STATE_SET =		0x02030100,
213 	MFI_DCMD_PD_REBUILD_START =	0x02040100,
214 	MFI_DCMD_PD_REBUILD_ABORT =	0x02040200,
215 	MFI_DCMD_PD_CLEAR_START =	0x02050100,
216 	MFI_DCMD_PD_CLEAR_ABORT =	0x02050200,
217 	MFI_DCMD_PD_GET_PROGRESS =	0x02060000,
218 	MFI_DCMD_PD_LOCATE_START =	0x02070100,
219 	MFI_DCMD_PD_LOCATE_STOP =	0x02070200,
220 	MFI_DCMD_LD_MAP_GET_INFO =	0x0300e101,
221 	MFI_DCMD_LD_SYNC =		0x0300e102,
222 	MFI_DCMD_LD_GET_LIST =		0x03010000,
223 	MFI_DCMD_LD_GET_INFO =		0x03020000,
224 	MFI_DCMD_LD_GET_PROP =		0x03030000,
225 	MFI_DCMD_LD_SET_PROP =		0x03040000,
226 	MFI_DCMD_LD_INIT_START =	0x03060100,
227 	MFI_DCMD_LD_DELETE =		0x03090000,
228 	MFI_DCMD_CFG_READ =		0x04010000,
229 	MFI_DCMD_CFG_ADD =		0x04020000,
230 	MFI_DCMD_CFG_CLEAR =		0x04030000,
231 	MFI_DCMD_CFG_MAKE_SPARE =	0x04040000,
232 	MFI_DCMD_CFG_REMOVE_SPARE =	0x04050000,
233 	MFI_DCMD_CFG_FOREIGN_IMPORT =	0x04060400,
234 	MFI_DCMD_BBU_GET_STATUS =	0x05010000,
235 	MFI_DCMD_BBU_GET_CAPACITY_INFO =0x05020000,
236 	MFI_DCMD_BBU_GET_DESIGN_INFO =	0x05030000,
237 	MFI_DCMD_CLUSTER =		0x08000000,
238 	MFI_DCMD_CLUSTER_RESET_ALL =	0x08010100,
239 	MFI_DCMD_CLUSTER_RESET_LD =	0x08010200
240 } mfi_dcmd_t;
241 
242 /* Modifiers for MFI_DCMD_CTRL_FLUSHCACHE */
243 #define MFI_FLUSHCACHE_CTRL	0x01
244 #define MFI_FLUSHCACHE_DISK	0x02
245 
246 /* Modifiers for MFI_DCMD_CTRL_SHUTDOWN */
247 #define MFI_SHUTDOWN_SPINDOWN	0x01
248 
249 /*
250  * MFI Frame flags
251  */
252 #define MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
253 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
254 #define MFI_FRAME_SGL32				0x0000
255 #define MFI_FRAME_SGL64				0x0002
256 #define MFI_FRAME_SENSE32			0x0000
257 #define MFI_FRAME_SENSE64			0x0004
258 #define MFI_FRAME_DIR_NONE			0x0000
259 #define MFI_FRAME_DIR_WRITE			0x0008
260 #define MFI_FRAME_DIR_READ			0x0010
261 #define MFI_FRAME_DIR_BOTH			0x0018
262 #define MFI_FRAME_IEEE_SGL			0x0020
263 #define MFI_FRAME_FMT "\20" \
264     "\1NOPOST" \
265     "\2SGL64" \
266     "\3SENSE64" \
267     "\4WRITE" \
268     "\5READ" \
269     "\6IEEESGL"
270 
271 /* ThunderBolt Specific */
272 
273 /*
274  * Pre-TB command size and TB command size.
275  * We will be checking it at the load time for the time being
276  */
277 #define MR_COMMAND_SIZE (MFI_FRAME_SIZE*20) /* 1280 bytes */
278 
279 #define MEGASAS_THUNDERBOLT_MSG_ALLIGNMENT  256
280 /*
281  * We are defining only 128 byte message to reduce memory move over head
282  * and also it will reduce the SRB extension size by 128byte compared with
283  * 256 message size
284  */
285 #define MEGASAS_THUNDERBOLT_NEW_MSG_SIZE	256
286 #define MEGASAS_THUNDERBOLT_MAX_COMMANDS	1024
287 #define MEGASAS_THUNDERBOLT_MAX_REPLY_COUNT	1024
288 #define MEGASAS_THUNDERBOLT_REPLY_SIZE		8
289 #define MEGASAS_THUNDERBOLT_MAX_CHAIN_COUNT	1
290 #define MEGASAS_MAX_SZ_CHAIN_FRAME		1024
291 
292 #define MPI2_FUNCTION_PASSTHRU_IO_REQUEST       0xF0
293 #define MPI2_FUNCTION_LD_IO_REQUEST             0xF1
294 
295 #define MR_INTERNAL_MFI_FRAMES_SMID             1
296 #define MR_CTRL_EVENT_WAIT_SMID                 2
297 #define MR_INTERNAL_DRIVER_RESET_SMID           3
298 
299 
300 /* MFI Status codes */
301 typedef enum {
302 	MFI_STAT_OK =			0x00,
303 	MFI_STAT_INVALID_CMD,
304 	MFI_STAT_INVALID_DCMD,
305 	MFI_STAT_INVALID_PARAMETER,
306 	MFI_STAT_INVALID_SEQUENCE_NUMBER,
307 	MFI_STAT_ABORT_NOT_POSSIBLE,
308 	MFI_STAT_APP_HOST_CODE_NOT_FOUND,
309 	MFI_STAT_APP_IN_USE,
310 	MFI_STAT_APP_NOT_INITIALIZED,
311 	MFI_STAT_ARRAY_INDEX_INVALID,
312 	MFI_STAT_ARRAY_ROW_NOT_EMPTY,
313 	MFI_STAT_CONFIG_RESOURCE_CONFLICT,
314 	MFI_STAT_DEVICE_NOT_FOUND,
315 	MFI_STAT_DRIVE_TOO_SMALL,
316 	MFI_STAT_FLASH_ALLOC_FAIL,
317 	MFI_STAT_FLASH_BUSY,
318 	MFI_STAT_FLASH_ERROR =		0x10,
319 	MFI_STAT_FLASH_IMAGE_BAD,
320 	MFI_STAT_FLASH_IMAGE_INCOMPLETE,
321 	MFI_STAT_FLASH_NOT_OPEN,
322 	MFI_STAT_FLASH_NOT_STARTED,
323 	MFI_STAT_FLUSH_FAILED,
324 	MFI_STAT_HOST_CODE_NOT_FOUNT,
325 	MFI_STAT_LD_CC_IN_PROGRESS,
326 	MFI_STAT_LD_INIT_IN_PROGRESS,
327 	MFI_STAT_LD_LBA_OUT_OF_RANGE,
328 	MFI_STAT_LD_MAX_CONFIGURED,
329 	MFI_STAT_LD_NOT_OPTIMAL,
330 	MFI_STAT_LD_RBLD_IN_PROGRESS,
331 	MFI_STAT_LD_RECON_IN_PROGRESS,
332 	MFI_STAT_LD_WRONG_RAID_LEVEL,
333 	MFI_STAT_MAX_SPARES_EXCEEDED,
334 	MFI_STAT_MEMORY_NOT_AVAILABLE =	0x20,
335 	MFI_STAT_MFC_HW_ERROR,
336 	MFI_STAT_NO_HW_PRESENT,
337 	MFI_STAT_NOT_FOUND,
338 	MFI_STAT_NOT_IN_ENCL,
339 	MFI_STAT_PD_CLEAR_IN_PROGRESS,
340 	MFI_STAT_PD_TYPE_WRONG,
341 	MFI_STAT_PR_DISABLED,
342 	MFI_STAT_ROW_INDEX_INVALID,
343 	MFI_STAT_SAS_CONFIG_INVALID_ACTION,
344 	MFI_STAT_SAS_CONFIG_INVALID_DATA,
345 	MFI_STAT_SAS_CONFIG_INVALID_PAGE,
346 	MFI_STAT_SAS_CONFIG_INVALID_TYPE,
347 	MFI_STAT_SCSI_DONE_WITH_ERROR,
348 	MFI_STAT_SCSI_IO_FAILED,
349 	MFI_STAT_SCSI_RESERVATION_CONFLICT,
350 	MFI_STAT_SHUTDOWN_FAILED =	0x30,
351 	MFI_STAT_TIME_NOT_SET,
352 	MFI_STAT_WRONG_STATE,
353 	MFI_STAT_LD_OFFLINE,
354 	MFI_STAT_PEER_NOTIFICATION_REJECTED,
355 	MFI_STAT_PEER_NOTIFICATION_FAILED,
356 	MFI_STAT_RESERVATION_IN_PROGRESS,
357 	MFI_STAT_I2C_ERRORS_DETECTED,
358 	MFI_STAT_PCI_ERRORS_DETECTED,
359 	MFI_STAT_DIAG_FAILED,
360 	MFI_STAT_BOOT_MSG_PENDING,
361 	MFI_STAT_FOREIGN_CONFIG_INCOMPLETE,
362 	MFI_STAT_INVALID_STATUS =	0xFF
363 } mfi_status_t;
364 
365 typedef enum {
366 	MFI_EVT_CLASS_DEBUG =		-2,
367 	MFI_EVT_CLASS_PROGRESS =	-1,
368 	MFI_EVT_CLASS_INFO =		0,
369 	MFI_EVT_CLASS_WARNING =		1,
370 	MFI_EVT_CLASS_CRITICAL =	2,
371 	MFI_EVT_CLASS_FATAL =		3,
372 	MFI_EVT_CLASS_DEAD =		4
373 } mfi_evt_class_t;
374 
375 typedef enum {
376 	MFI_EVT_LOCALE_LD =		0x0001,
377 	MFI_EVT_LOCALE_PD =		0x0002,
378 	MFI_EVT_LOCALE_ENCL =		0x0004,
379 	MFI_EVT_LOCALE_BBU =		0x0008,
380 	MFI_EVT_LOCALE_SAS =		0x0010,
381 	MFI_EVT_LOCALE_CTRL =		0x0020,
382 	MFI_EVT_LOCALE_CONFIG =		0x0040,
383 	MFI_EVT_LOCALE_CLUSTER =	0x0080,
384 	MFI_EVT_LOCALE_ALL =		0xffff
385 } mfi_evt_locale_t;
386 
387 typedef enum {
388 	MR_EVT_ARGS_NONE =		0x00,
389 	MR_EVT_ARGS_CDB_SENSE,
390 	MR_EVT_ARGS_LD,
391 	MR_EVT_ARGS_LD_COUNT,
392 	MR_EVT_ARGS_LD_LBA,
393 	MR_EVT_ARGS_LD_OWNER,
394 	MR_EVT_ARGS_LD_LBA_PD_LBA,
395 	MR_EVT_ARGS_LD_PROG,
396 	MR_EVT_ARGS_LD_STATE,
397 	MR_EVT_ARGS_LD_STRIP,
398 	MR_EVT_ARGS_PD,
399 	MR_EVT_ARGS_PD_ERR,
400 	MR_EVT_ARGS_PD_LBA,
401 	MR_EVT_ARGS_PD_LBA_LD,
402 	MR_EVT_ARGS_PD_PROG,
403 	MR_EVT_ARGS_PD_STATE,
404 	MR_EVT_ARGS_PCI,
405 	MR_EVT_ARGS_RATE,
406 	MR_EVT_ARGS_STR,
407 	MR_EVT_ARGS_TIME,
408 	MR_EVT_ARGS_ECC
409 } mfi_evt_args;
410 
411 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED	0x0152
412 #define MR_EVT_PD_REMOVED			0x0070
413 #define MR_EVT_PD_INSERTED			0x005b
414 #define MR_EVT_LD_CHANGE			0x0051
415 
416 typedef enum {
417 	MR_LD_CACHE_WRITE_BACK =	0x01,
418 	MR_LD_CACHE_WRITE_ADAPTIVE =	0x02,
419 	MR_LD_CACHE_READ_AHEAD =	0x04,
420 	MR_LD_CACHE_READ_ADAPTIVE =	0x08,
421 	MR_LD_CACHE_WRITE_CACHE_BAD_BBU=0x10,
422 	MR_LD_CACHE_ALLOW_WRITE_CACHE =	0x20,
423 	MR_LD_CACHE_ALLOW_READ_CACHE =	0x40
424 } mfi_ld_cache;
425 #define	MR_LD_CACHE_MASK	0x7f
426 
427 #define	MR_LD_CACHE_POLICY_READ_AHEAD_NONE		0
428 #define	MR_LD_CACHE_POLICY_READ_AHEAD_ALWAYS		MR_LD_CACHE_READ_AHEAD
429 #define	MR_LD_CACHE_POLICY_READ_AHEAD_ADAPTIVE		\
430 	(MR_LD_CACHE_READ_AHEAD | MR_LD_CACHE_READ_ADAPTIVE)
431 #define	MR_LD_CACHE_POLICY_WRITE_THROUGH		0
432 #define	MR_LD_CACHE_POLICY_WRITE_BACK			MR_LD_CACHE_WRITE_BACK
433 #define	MR_LD_CACHE_POLICY_IO_CACHED			\
434 	(MR_LD_CACHE_ALLOW_WRITE_CACHE | MR_LD_CACHE_ALLOW_READ_CACHE)
435 #define	MR_LD_CACHE_POLICY_IO_DIRECT			0
436 
437 typedef enum {
438 	MR_PD_CACHE_UNCHANGED  =	0,
439 	MR_PD_CACHE_ENABLE =		1,
440 	MR_PD_CACHE_DISABLE =		2
441 } mfi_pd_cache;
442 
443 typedef enum {
444 	MR_PD_QUERY_TYPE_ALL =		0,
445 	MR_PD_QUERY_TYPE_STATE =	1,
446 	MR_PD_QUERY_TYPE_POWER_STATE =	2,
447 	MR_PD_QUERY_TYPE_MEDIA_TYPE =	3,
448 	MR_PD_QUERY_TYPE_SPEED =	4,
449 	MR_PD_QUERY_TYPE_EXPOSED_TO_HOST = 5 /*query for system drives */
450 } mfi_pd_query_type;
451 
452 /*
453  * Other propertities and definitions
454  */
455 #define MFI_MAX_PD_CHANNELS	2
456 #define MFI_MAX_LD_CHANNELS	2
457 #define MFI_MAX_CHANNELS	(MFI_MAX_PD_CHANNELS + MFI_MAX_LD_CHANNELS)
458 #define MFI_MAX_CHANNEL_DEVS	128
459 #define MFI_DEFAULT_ID		-1
460 #define MFI_MAX_LUN		8
461 #define MFI_MAX_LD		64
462 #define	MFI_MAX_PD		256
463 
464 #define MFI_FRAME_SIZE		64
465 #define MFI_MBOX_SIZE		12
466 
467 /* Firmware flashing can take 50+ seconds */
468 #define MFI_POLL_TIMEOUT_SECS	60
469 
470 /* Allow for speedier math calculations */
471 #define MFI_SECTOR_LEN		512
472 
473 /* Scatter Gather elements */
474 struct mfi_sg32 {
475 	uint32_t	addr;
476 	uint32_t	len;
477 } __packed;
478 
479 struct mfi_sg64 {
480 	uint64_t	addr;
481 	uint32_t	len;
482 } __packed;
483 
484 struct mfi_sg_skinny {
485 	uint64_t	addr;
486 	uint32_t	len;
487 	uint32_t	flag;
488 } __packed;
489 
490 union mfi_sgl {
491 	struct mfi_sg32		sg32[1];
492 	struct mfi_sg64		sg64[1];
493 	struct mfi_sg_skinny	sg_skinny[1];
494 } __packed;
495 
496 /* Message frames.  All messages have a common header */
497 struct mfi_frame_header {
498 	uint8_t		cmd;
499 	uint8_t		sense_len;
500 	uint8_t		cmd_status;
501 	uint8_t		scsi_status;
502 	uint8_t		target_id;
503 	uint8_t		lun_id;
504 	uint8_t		cdb_len;
505 	uint8_t		sg_count;
506 	uint32_t	context;
507 	/*
508 	 * pad0 is MSI Specific. Not used by Driver. Zero the value before
509 	 * sending the command to f/w.
510 	 */
511 	uint32_t	pad0;
512 	uint16_t	flags;
513 #define MFI_FRAME_DATAOUT	0x08
514 #define MFI_FRAME_DATAIN	0x10
515 	uint16_t	timeout;
516 	uint32_t	data_len;
517 } __packed;
518 
519 struct mfi_init_frame {
520 	struct mfi_frame_header	header;
521 	uint32_t	qinfo_new_addr_lo;
522 	uint32_t	qinfo_new_addr_hi;
523 	uint32_t	qinfo_old_addr_lo;
524 	uint32_t	qinfo_old_addr_hi;
525 	// Start LSIP200113393
526 	uint32_t	driver_ver_lo;      /*28h */
527 	uint32_t	driver_ver_hi;      /*2Ch */
528 
529 	uint32_t	reserved[4];
530 	// End LSIP200113393
531 } __packed;
532 
533 /*
534  * Define MFI Address Context union.
535  */
536 #ifdef MFI_ADDRESS_IS_uint64_t
537     typedef uint64_t     MFI_ADDRESS;
538 #else
539     typedef union _MFI_ADDRESS {
540         struct {
541             uint32_t     addressLow;
542             uint32_t     addressHigh;
543         } u;
544         uint64_t     address;
545     } MFI_ADDRESS, *PMFI_ADDRESS;
546 #endif
547 
548 #define MFI_IO_FRAME_SIZE 40
549 struct mfi_io_frame {
550 	struct mfi_frame_header	header;
551 	uint32_t	sense_addr_lo;
552 	uint32_t	sense_addr_hi;
553 	uint32_t	lba_lo;
554 	uint32_t	lba_hi;
555 	union mfi_sgl	sgl;
556 } __packed;
557 
558 #define MFI_PASS_FRAME_SIZE 48
559 struct mfi_pass_frame {
560 	struct mfi_frame_header header;
561 	uint32_t	sense_addr_lo;
562 	uint32_t	sense_addr_hi;
563 	uint8_t		cdb[16];
564 	union mfi_sgl	sgl;
565 } __packed;
566 
567 #define MFI_DCMD_FRAME_SIZE 40
568 struct mfi_dcmd_frame {
569 	struct mfi_frame_header header;
570 	uint32_t	opcode;
571 	uint8_t		mbox[MFI_MBOX_SIZE];
572 	union mfi_sgl	sgl;
573 } __packed;
574 
575 struct mfi_abort_frame {
576 	struct mfi_frame_header header;
577 	uint32_t	abort_context;
578 	/* pad is changed to reserved.*/
579 	uint32_t	reserved0;
580 	uint32_t	abort_mfi_addr_lo;
581 	uint32_t	abort_mfi_addr_hi;
582 	uint32_t	reserved1[6];
583 } __packed;
584 
585 struct mfi_smp_frame {
586 	struct mfi_frame_header header;
587 	uint64_t	sas_addr;
588 	union {
589 		struct mfi_sg32 sg32[2];
590 		struct mfi_sg64 sg64[2];
591 	} sgl;
592 } __packed;
593 
594 struct mfi_stp_frame {
595 	struct mfi_frame_header header;
596 	uint16_t	fis[10];
597 	uint32_t	stp_flags;
598 	union {
599 		struct mfi_sg32 sg32[2];
600 		struct mfi_sg64 sg64[2];
601 	} sgl;
602 } __packed;
603 
604 union mfi_frame {
605 	struct mfi_frame_header header;
606 	struct mfi_init_frame	init;
607 	/* ThunderBolt Initialization */
608 	struct mfi_io_frame	io;
609 	struct mfi_pass_frame	pass;
610 	struct mfi_dcmd_frame	dcmd;
611 	struct mfi_abort_frame	abort;
612 	struct mfi_smp_frame	smp;
613 	struct mfi_stp_frame	stp;
614 	uint8_t			bytes[MFI_FRAME_SIZE];
615 };
616 
617 #define MFI_SENSE_LEN 128
618 struct mfi_sense {
619 	uint8_t		data[MFI_SENSE_LEN];
620 };
621 
622 /* The queue init structure that is passed with the init message */
623 struct mfi_init_qinfo {
624 	uint32_t	flags;
625 	uint32_t	rq_entries;
626 	uint32_t	rq_addr_lo;
627 	uint32_t	rq_addr_hi;
628 	uint32_t	pi_addr_lo;
629 	uint32_t	pi_addr_hi;
630 	uint32_t	ci_addr_lo;
631 	uint32_t	ci_addr_hi;
632 } __packed;
633 
634 /* SAS (?) controller properties, part of mfi_ctrl_info */
635 struct mfi_ctrl_props {
636 	uint16_t	seq_num;
637 	uint16_t	pred_fail_poll_interval;
638 	uint16_t	intr_throttle_cnt;
639 	uint16_t	intr_throttle_timeout;
640 	uint8_t		rebuild_rate;
641 	uint8_t		patrol_read_rate;
642 	uint8_t		bgi_rate;
643 	uint8_t		cc_rate;
644 	uint8_t		recon_rate;
645 	uint8_t		cache_flush_interval;
646 	uint8_t		spinup_drv_cnt;
647 	uint8_t		spinup_delay;
648 	uint8_t		cluster_enable;
649 	uint8_t		coercion_mode;
650 	uint8_t		alarm_enable;
651 	uint8_t		disable_auto_rebuild;
652 	uint8_t		disable_battery_warn;
653 	uint8_t		ecc_bucket_size;
654 	uint16_t	ecc_bucket_leak_rate;
655 	uint8_t		restore_hotspare_on_insertion;
656 	uint8_t		expose_encl_devices;
657 	uint8_t		maintainPdFailHistory;
658 	uint8_t		disallowHostRequestReordering;
659 	/* set TRUE to abort CC on detecting an inconsistency */
660 	uint8_t		abortCCOnError;
661 	/* load balance mode (MR_LOAD_BALANCE_MODE) */
662 	uint8_t		loadBalanceMode;
663 	/*
664 	 * 0 - use auto detect logic of backplanes like SGPIO, i2c SEP using
665 	 *     h/w mechansim like GPIO pins
666 	 * 1 - disable auto detect SGPIO,
667 	 * 2 - disable i2c SEP auto detect
668 	 * 3 - disable both auto detect
669 	 */
670 	uint8_t		disableAutoDetectBackplane;
671 	/*
672 	 * % of source LD to be reserved for a VDs snapshot in snapshot
673 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on
674 	 */
675 	uint8_t		snapVDSpace;
676 
677 	/*
678 	 * Add properties that can be controlled by a bit in the following
679 	 * structure.
680 	 */
681 	struct {
682 		/* set TRUE to disable copyBack (0=copback enabled) */
683 		uint32_t	copyBackDisabled		:1;
684 		uint32_t	SMARTerEnabled			:1;
685 		uint32_t	prCorrectUnconfiguredAreas	:1;
686 		uint32_t	useFdeOnly			:1;
687 		uint32_t	disableNCQ			:1;
688 		uint32_t	SSDSMARTerEnabled		:1;
689 		uint32_t	SSDPatrolReadEnabled		:1;
690 		uint32_t	enableSpinDownUnconfigured	:1;
691 		uint32_t	autoEnhancedImport		:1;
692 		uint32_t	enableSecretKeyControl		:1;
693 		uint32_t	disableOnlineCtrlReset		:1;
694 		uint32_t	allowBootWithPinnedCache	:1;
695 		uint32_t	disableSpinDownHS		:1;
696 		uint32_t	enableJBOD			:1;
697 		uint32_t	reserved			:18;
698 	} OnOffProperties;
699 	/*
700 	 * % of source LD to be reserved for auto snapshot in snapshot
701 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on.
702 	 */
703 	uint8_t		autoSnapVDSpace;
704 	/*
705 	 * Snapshot writeable VIEWs capacity as a % of source LD capacity:
706 	 * 0=READ only, 1=5%, 2=10%, 3=15% and so on.
707 	 */
708 	uint8_t		viewSpace;
709 	/* # of idle minutes before device is spun down (0=use FW defaults) */
710 	uint16_t	spinDownTime;
711 	uint8_t		reserved[24];
712 } __packed;
713 
714 /* PCI information about the card. */
715 struct mfi_info_pci {
716 	uint16_t	vendor;
717 	uint16_t	device;
718 	uint16_t	subvendor;
719 	uint16_t	subdevice;
720 	uint8_t		reserved[24];
721 } __packed;
722 
723 /* Host (front end) interface information */
724 struct mfi_info_host {
725 	uint8_t		type;
726 #define MFI_INFO_HOST_PCIX	0x01
727 #define MFI_INFO_HOST_PCIE	0x02
728 #define MFI_INFO_HOST_ISCSI	0x04
729 #define MFI_INFO_HOST_SAS3G	0x08
730 	uint8_t		reserved[6];
731 	uint8_t		port_count;
732 	uint64_t	port_addr[8];
733 } __packed;
734 
735 /* Device (back end) interface information */
736 struct mfi_info_device {
737 	uint8_t		type;
738 #define MFI_INFO_DEV_SPI	0x01
739 #define MFI_INFO_DEV_SAS3G	0x02
740 #define MFI_INFO_DEV_SATA1	0x04
741 #define MFI_INFO_DEV_SATA3G	0x08
742 	uint8_t		reserved[6];
743 	uint8_t		port_count;
744 	uint64_t	port_addr[8];
745 } __packed;
746 
747 /* Firmware component information */
748 struct mfi_info_component {
749 	char		 name[8];
750 	char		 version[32];
751 	char		 build_date[16];
752 	char		 build_time[16];
753 } __packed;
754 
755 /* Controller default settings */
756 struct mfi_defaults {
757 	uint64_t	sas_addr;
758 	uint8_t		phy_polarity;
759 	uint8_t		background_rate;
760 	uint8_t		stripe_size;
761 	uint8_t		flush_time;
762 	uint8_t		write_back;
763 	uint8_t		read_ahead;
764 	uint8_t		cache_when_bbu_bad;
765 	uint8_t		cached_io;
766 	uint8_t		smart_mode;
767 	uint8_t		alarm_disable;
768 	uint8_t		coercion;
769 	uint8_t		zrc_config;
770 	uint8_t		dirty_led_shows_drive_activity;
771 	uint8_t		bios_continue_on_error;
772 	uint8_t		spindown_mode;
773 	uint8_t		allowed_device_types;
774 	uint8_t		allow_mix_in_enclosure;
775 	uint8_t		allow_mix_in_ld;
776 	uint8_t		allow_sata_in_cluster;
777 	uint8_t		max_chained_enclosures;
778 	uint8_t		disable_ctrl_r;
779 	uint8_t		enabel_web_bios;
780 	uint8_t		phy_polarity_split;
781 	uint8_t		direct_pd_mapping;
782 	uint8_t		bios_enumerate_lds;
783 	uint8_t		restored_hot_spare_on_insertion;
784 	uint8_t		expose_enclosure_devices;
785 	uint8_t		maintain_pd_fail_history;
786 	uint8_t		resv[28];
787 } __packed;
788 
789 /* Controller default settings */
790 struct mfi_bios_data {
791 	uint16_t	boot_target_id;
792 	uint8_t		do_not_int_13;
793 	uint8_t		continue_on_error;
794 	uint8_t		verbose;
795 	uint8_t		geometry;
796 	uint8_t		expose_all_drives;
797 	uint8_t		reserved[56];
798 	uint8_t		check_sum;
799 } __packed;
800 
801 /* SAS (?) controller info, returned from MFI_DCMD_CTRL_GETINFO. */
802 struct mfi_ctrl_info {
803 	struct mfi_info_pci	pci;
804 	struct mfi_info_host	host;
805 	struct mfi_info_device	device;
806 
807 	/* Firmware components that are present and active. */
808 	uint32_t		image_check_word;
809 	uint32_t		image_component_count;
810 	struct mfi_info_component image_component[8];
811 
812 	/* Firmware components that have been flashed but are inactive */
813 	uint32_t		pending_image_component_count;
814 	struct mfi_info_component pending_image_component[8];
815 
816 	uint8_t			max_arms;
817 	uint8_t			max_spans;
818 	uint8_t			max_arrays;
819 	uint8_t			max_lds;
820 	char			product_name[80];
821 	char			serial_number[32];
822 	uint32_t		hw_present;
823 #define MFI_INFO_HW_BBU		0x01
824 #define MFI_INFO_HW_ALARM	0x02
825 #define MFI_INFO_HW_NVRAM	0x04
826 #define MFI_INFO_HW_UART	0x08
827 	uint32_t		current_fw_time;
828 	uint16_t		max_cmds;
829 	uint16_t		max_sg_elements;
830 	uint32_t		max_request_size;
831 	uint16_t		lds_present;
832 	uint16_t		lds_degraded;
833 	uint16_t		lds_offline;
834 	uint16_t		pd_present;
835 	uint16_t		pd_disks_present;
836 	uint16_t		pd_disks_pred_failure;
837 	uint16_t		pd_disks_failed;
838 	uint16_t		nvram_size;
839 	uint16_t		memory_size;
840 	uint16_t		flash_size;
841 	uint16_t		ram_correctable_errors;
842 	uint16_t		ram_uncorrectable_errors;
843 	uint8_t			cluster_allowed;
844 	uint8_t			cluster_active;
845 	uint16_t		max_strips_per_io;
846 
847 	uint32_t		raid_levels;
848 #define MFI_INFO_RAID_0		0x01
849 #define MFI_INFO_RAID_1		0x02
850 #define MFI_INFO_RAID_5		0x04
851 #define MFI_INFO_RAID_1E	0x08
852 #define MFI_INFO_RAID_6		0x10
853 
854 	uint32_t		adapter_ops;
855 #define MFI_INFO_AOPS_RBLD_RATE		0x0001
856 #define MFI_INFO_AOPS_CC_RATE		0x0002
857 #define MFI_INFO_AOPS_BGI_RATE		0x0004
858 #define MFI_INFO_AOPS_RECON_RATE	0x0008
859 #define MFI_INFO_AOPS_PATROL_RATE	0x0010
860 #define MFI_INFO_AOPS_ALARM_CONTROL	0x0020
861 #define MFI_INFO_AOPS_CLUSTER_SUPPORTED	0x0040
862 #define MFI_INFO_AOPS_BBU		0x0080
863 #define MFI_INFO_AOPS_SPANNING_ALLOWED	0x0100
864 #define MFI_INFO_AOPS_DEDICATED_SPARES	0x0200
865 #define MFI_INFO_AOPS_REVERTIBLE_SPARES	0x0400
866 #define MFI_INFO_AOPS_FOREIGN_IMPORT	0x0800
867 #define MFI_INFO_AOPS_SELF_DIAGNOSTIC	0x1000
868 #define MFI_INFO_AOPS_MIXED_ARRAY	0x2000
869 #define MFI_INFO_AOPS_GLOBAL_SPARES	0x4000
870 
871 	uint32_t		ld_ops;
872 #define MFI_INFO_LDOPS_READ_POLICY	0x01
873 #define MFI_INFO_LDOPS_WRITE_POLICY	0x02
874 #define MFI_INFO_LDOPS_IO_POLICY	0x04
875 #define MFI_INFO_LDOPS_ACCESS_POLICY	0x08
876 #define MFI_INFO_LDOPS_DISK_CACHE_POLICY 0x10
877 
878 	struct {
879 		uint8_t		min;
880 		uint8_t		max;
881 		uint8_t		reserved[2];
882 	} __packed stripe_sz_ops;
883 
884 	uint32_t		pd_ops;
885 #define MFI_INFO_PDOPS_FORCE_ONLINE	0x01
886 #define MFI_INFO_PDOPS_FORCE_OFFLINE	0x02
887 #define MFI_INFO_PDOPS_FORCE_REBUILD	0x04
888 
889 	uint32_t		pd_mix_support;
890 #define MFI_INFO_PDMIX_SAS		0x01
891 #define MFI_INFO_PDMIX_SATA		0x02
892 #define MFI_INFO_PDMIX_ENCL		0x04
893 #define MFI_INFO_PDMIX_LD		0x08
894 #define MFI_INFO_PDMIX_SATA_CLUSTER	0x10
895 
896 	uint8_t			ecc_bucket_count;
897 	uint8_t			reserved2[11];
898 	struct mfi_ctrl_props	properties;
899 	char			package_version[0x60];
900 	uint8_t			pad[0x800 - 0x6a0];
901 } __packed;
902 
903 /* keep track of an event. */
904 union mfi_evt {
905 	struct {
906 		uint16_t	locale;
907 		uint8_t		reserved;
908 		int8_t		evt_class;
909 	} members;
910 	uint32_t		word;
911 } __packed;
912 
913 /* event log state. */
914 struct mfi_evt_log_state {
915 	uint32_t		newest_seq_num;
916 	uint32_t		oldest_seq_num;
917 	uint32_t		clear_seq_num;
918 	uint32_t		shutdown_seq_num;
919 	uint32_t		boot_seq_num;
920 } __packed;
921 
922 struct mfi_progress {
923 	uint16_t		progress;
924 	uint16_t		elapsed_seconds;
925 } __packed;
926 
927 struct mfi_evt_ld {
928 	uint16_t		target_id;
929 	uint8_t			ld_index;
930 	uint8_t			reserved;
931 } __packed;
932 
933 struct mfi_evt_pd {
934 	uint16_t		device_id;
935 	uint8_t			enclosure_index;
936 	uint8_t			slot_number;
937 } __packed;
938 
939 /* SAS (?) event detail, returned from MFI_DCMD_CTRL_EVENT_WAIT. */
940 struct mfi_evt_detail {
941 	uint32_t		seq;
942 	uint32_t		time;
943 	uint32_t		code;
944 	union mfi_evt		evt_class;
945 	uint8_t			arg_type;
946 	uint8_t			reserved1[15];
947 
948 	union {
949 		struct {
950 			struct mfi_evt_pd	pd;
951 			uint8_t			cdb_len;
952 			uint8_t			sense_len;
953 			uint8_t			reserved[2];
954 			uint8_t			cdb[16];
955 			uint8_t			sense[64];
956 		} cdb_sense;
957 
958 		struct mfi_evt_ld		ld;
959 
960 		struct {
961 			struct mfi_evt_ld	ld;
962 			uint64_t		count;
963 		} ld_count;
964 
965 		struct {
966 			uint64_t		lba;
967 			struct mfi_evt_ld	ld;
968 		} ld_lba;
969 
970 		struct {
971 			struct mfi_evt_ld	ld;
972 			uint32_t		pre_owner;
973 			uint32_t		new_owner;
974 		} ld_owner;
975 
976 		struct {
977 			uint64_t		ld_lba;
978 			uint64_t		pd_lba;
979 			struct mfi_evt_ld	ld;
980 			struct mfi_evt_pd	pd;
981 		} ld_lba_pd_lba;
982 
983 		struct {
984 			struct mfi_evt_ld	ld;
985 			struct mfi_progress	prog;
986 		} ld_prog;
987 
988 		struct {
989 			struct mfi_evt_ld	ld;
990 			uint32_t		prev_state;
991 			uint32_t		new_state;
992 		} ld_state;
993 
994 		struct {
995 			uint64_t		strip;
996 			struct mfi_evt_ld	ld;
997 		} ld_strip;
998 
999 		struct mfi_evt_pd		pd;
1000 
1001 		struct {
1002 			struct mfi_evt_pd	pd;
1003 			uint32_t		err;
1004 		} pd_err;
1005 
1006 		struct {
1007 			uint64_t		lba;
1008 			struct mfi_evt_pd	pd;
1009 		} pd_lba;
1010 
1011 		struct {
1012 			uint64_t		lba;
1013 			struct mfi_evt_pd	pd;
1014 			struct mfi_evt_ld	ld;
1015 		} pd_lba_ld;
1016 
1017 		struct {
1018 			struct mfi_evt_pd	pd;
1019 			struct mfi_progress	prog;
1020 		} pd_prog;
1021 
1022 		struct {
1023 			struct mfi_evt_pd	ld;
1024 			uint32_t		prev_state;
1025 			uint32_t		new_state;
1026 		} pd_state;
1027 
1028 		struct {
1029 			uint16_t		venderId;
1030 			uint16_t		deviceId;
1031 			uint16_t		subVenderId;
1032 			uint16_t		subDeviceId;
1033 		} pci;
1034 
1035 		uint32_t			rate;
1036 
1037 		char				str[96];
1038 
1039 		struct {
1040 			uint32_t		rtc;
1041 			uint16_t		elapsedSeconds;
1042 		} time;
1043 
1044 		struct {
1045 			uint32_t		ecar;
1046 			uint32_t		elog;
1047 			char			str[64];
1048 		} ecc;
1049 
1050 		uint8_t		b[96];
1051 		uint16_t	s[48];
1052 		uint32_t	w[24];
1053 		uint64_t	d[12];
1054 	} args;
1055 
1056 	char description[128];
1057 } __packed;
1058 
1059 struct mfi_evt_list {
1060 	uint32_t		count;
1061 	uint32_t		reserved;
1062 	struct mfi_evt_detail	event[1];
1063 } __packed;
1064 
1065 union mfi_pd_ref {
1066 	struct {
1067 		uint16_t	device_id;
1068 		uint16_t	seq_num;
1069 	} v;
1070 	uint32_t	ref;
1071 } __packed;
1072 
1073 union mfi_pd_ddf_type {
1074 	struct {
1075 		union {
1076 			struct {
1077 				uint16_t	forced_pd_guid	: 1;
1078 				uint16_t	in_vd		: 1;
1079 				uint16_t	is_global_spare	: 1;
1080 				uint16_t	is_spare	: 1;
1081 				uint16_t	is_foreign	: 1;
1082 				uint16_t	reserved	: 7;
1083 				uint16_t	intf		: 4;
1084 			} pd_type;
1085 			uint16_t	type;
1086 		} v;
1087 		uint16_t		reserved;
1088 	} ddf;
1089 	struct {
1090 		uint32_t		reserved;
1091 	} non_disk;
1092 	uint32_t			type;
1093 } __packed;
1094 
1095 struct mfi_pd_progress {
1096 	uint32_t			active;
1097 #define	MFI_PD_PROGRESS_REBUILD	(1<<0)
1098 #define	MFI_PD_PROGRESS_PATROL	(1<<1)
1099 #define	MFI_PD_PROGRESS_CLEAR	(1<<2)
1100 	struct mfi_progress		rbld;
1101 	struct mfi_progress		patrol;
1102 	struct mfi_progress		clear;
1103 	struct mfi_progress		reserved[4];
1104 } __packed;
1105 
1106 struct mfi_pd_info {
1107 	union mfi_pd_ref		ref;
1108 	uint8_t				inquiry_data[96];
1109 	uint8_t				vpd_page83[64];
1110 	uint8_t				not_supported;
1111 	uint8_t				scsi_dev_type;
1112 	uint8_t				connected_port_bitmap;
1113 	uint8_t				device_speed;
1114 	uint32_t			media_err_count;
1115 	uint32_t			other_err_count;
1116 	uint32_t			pred_fail_count;
1117 	uint32_t			last_pred_fail_event_seq_num;
1118 	uint16_t			fw_state;	/* MFI_PD_STATE_* */
1119 	uint8_t				disabled_for_removal;
1120 	uint8_t				link_speed;
1121 	union mfi_pd_ddf_type		state;
1122 	struct {
1123 		uint8_t			count;
1124 		uint8_t			is_path_broken;
1125 		uint8_t			reserved[6];
1126 		uint64_t		sas_addr[4];
1127 	} path_info;
1128 	uint64_t			raw_size;
1129 	uint64_t			non_coerced_size;
1130 	uint64_t			coerced_size;
1131 	uint16_t			encl_device_id;
1132 	uint8_t				encl_index;
1133 	uint8_t				slot_number;
1134 	struct mfi_pd_progress		prog_info;
1135 	uint8_t				bad_block_table_full;
1136 	uint8_t				unusable_in_current_config;
1137 	uint8_t				vpd_page83_ext[64];
1138 	uint8_t				reserved[512-358];
1139 } __packed;
1140 
1141 struct mfi_pd_address {
1142 	uint16_t		device_id;
1143 	uint16_t		encl_device_id;
1144 	uint8_t			encl_index;
1145 	uint8_t			slot_number;
1146 	uint8_t			scsi_dev_type;	/* 0 = disk */
1147 	uint8_t			connect_port_bitmap;
1148 	uint64_t		sas_addr[2];
1149 } __packed;
1150 
1151 #define MAX_SYS_PDS 240
1152 struct mfi_pd_list {
1153 	uint32_t		size;
1154 	uint32_t		count;
1155 	struct mfi_pd_address	addr[MAX_SYS_PDS];
1156 } __packed;
1157 
1158 enum mfi_pd_state {
1159 	MFI_PD_STATE_UNCONFIGURED_GOOD = 0x00,
1160 	MFI_PD_STATE_UNCONFIGURED_BAD = 0x01,
1161 	MFI_PD_STATE_HOT_SPARE = 0x02,
1162 	MFI_PD_STATE_OFFLINE = 0x10,
1163 	MFI_PD_STATE_FAILED = 0x11,
1164 	MFI_PD_STATE_REBUILD = 0x14,
1165 	MFI_PD_STATE_ONLINE = 0x18,
1166 	MFI_PD_STATE_COPYBACK = 0x20,
1167 	MFI_PD_STATE_SYSTEM = 0x40
1168 };
1169 
1170 /*
1171  * "SYSTEM" disk appears to be "JBOD" support from the RAID controller.
1172  * Adding a #define to denote this.
1173  */
1174 #define MFI_PD_STATE_JBOD MFI_PD_STATE_SYSTEM
1175 
1176 union mfi_ld_ref {
1177 	struct {
1178 		uint8_t		target_id;
1179 		uint8_t		reserved;
1180 		uint16_t	seq;
1181 	} v;
1182 	uint32_t		ref;
1183 } __packed;
1184 
1185 struct mfi_ld_list {
1186 	uint32_t		ld_count;
1187 	uint32_t		reserved1;
1188 	struct {
1189 		union mfi_ld_ref	ld;
1190 		uint8_t		state;
1191 		uint8_t		reserved2[3];
1192 		uint64_t	size;
1193 	} ld_list[MFI_MAX_LD];
1194 } __packed;
1195 
1196 enum mfi_ld_access {
1197 	MFI_LD_ACCESS_RW =	0,
1198 	MFI_LD_ACCSSS_RO = 	2,
1199 	MFI_LD_ACCESS_BLOCKED =	3,
1200 };
1201 #define MFI_LD_ACCESS_MASK	3
1202 
1203 enum mfi_ld_state {
1204 	MFI_LD_STATE_OFFLINE =			0,
1205 	MFI_LD_STATE_PARTIALLY_DEGRADED =	1,
1206 	MFI_LD_STATE_DEGRADED =			2,
1207 	MFI_LD_STATE_OPTIMAL =			3
1208 };
1209 
1210 struct mfi_ld_props {
1211 	union mfi_ld_ref	ld;
1212 	char			name[16];
1213 	uint8_t			default_cache_policy;
1214 	uint8_t			access_policy;
1215 	uint8_t			disk_cache_policy;
1216 	uint8_t			current_cache_policy;
1217 	uint8_t			no_bgi;
1218 	uint8_t			reserved[7];
1219 } __packed;
1220 
1221 struct mfi_ld_params {
1222 	uint8_t			primary_raid_level;
1223 	uint8_t			raid_level_qualifier;
1224 	uint8_t			secondary_raid_level;
1225 	uint8_t			stripe_size;
1226 	uint8_t			num_drives;
1227 	uint8_t			span_depth;
1228 	uint8_t			state;
1229 	uint8_t			init_state;
1230 #define	MFI_LD_PARAMS_INIT_NO		0
1231 #define	MFI_LD_PARAMS_INIT_QUICK	1
1232 #define	MFI_LD_PARAMS_INIT_FULL		2
1233 	uint8_t			is_consistent;
1234 	uint8_t			reserved1[6];
1235 	uint8_t			isSSCD;
1236 	uint8_t			reserved2[16];
1237 } __packed;
1238 
1239 struct mfi_ld_progress {
1240 	uint32_t		active;
1241 #define	MFI_LD_PROGRESS_CC	(1<<0)
1242 #define	MFI_LD_PROGRESS_BGI	(1<<1)
1243 #define	MFI_LD_PROGRESS_FGI	(1<<2)
1244 #define	MFI_LD_PROGRESS_RECON	(1<<3)
1245 	struct mfi_progress	cc;
1246 	struct mfi_progress	bgi;
1247 	struct mfi_progress	fgi;
1248 	struct mfi_progress	recon;
1249 	struct mfi_progress	reserved[4];
1250 } __packed;
1251 
1252 struct mfi_span {
1253 	uint64_t		start_block;
1254 	uint64_t		num_blocks;
1255 	uint16_t		array_ref;
1256 	uint8_t			reserved[6];
1257 } __packed;
1258 
1259 #define	MFI_MAX_SPAN_DEPTH	8
1260 struct mfi_ld_config {
1261 	struct mfi_ld_props	properties;
1262 	struct mfi_ld_params	params;
1263 	struct mfi_span		span[MFI_MAX_SPAN_DEPTH];
1264 } __packed;
1265 
1266 struct mfi_ld_info {
1267 	struct mfi_ld_config	ld_config;
1268 	uint64_t		size;
1269 	struct mfi_ld_progress	progress;
1270 	uint16_t		cluster_owner;
1271 	uint8_t			reconstruct_active;
1272 	uint8_t			reserved1[1];
1273 	uint8_t			vpd_page83[64];
1274 	uint8_t			reserved2[16];
1275 } __packed;
1276 
1277 #define MFI_MAX_ARRAYS 16
1278 struct mfi_spare {
1279 	union mfi_pd_ref	ref;
1280 	uint8_t			spare_type;
1281 #define	MFI_SPARE_DEDICATED	(1 << 0)
1282 #define	MFI_SPARE_REVERTIBLE	(1 << 1)
1283 #define	MFI_SPARE_ENCL_AFFINITY	(1 << 2)
1284 	uint8_t			reserved[2];
1285 	uint8_t			array_count;
1286 	uint16_t		array_ref[MFI_MAX_ARRAYS];
1287 } __packed;
1288 
1289 #define MFI_MAX_ROW_SIZE 32
1290 struct mfi_array {
1291 	uint64_t			size;
1292 	uint8_t				num_drives;
1293 	uint8_t				reserved;
1294 	uint16_t			array_ref;
1295 	uint8_t				pad[20];
1296 	struct {
1297 		union mfi_pd_ref	ref;	/* 0xffff == missing drive */
1298 		uint16_t		fw_state;	/* MFI_PD_STATE_* */
1299 		struct {
1300 			uint8_t		pd;
1301 			uint8_t		slot;
1302 		} encl;
1303 	} pd[MFI_MAX_ROW_SIZE];
1304 } __packed;
1305 
1306 struct mfi_config_data {
1307 	uint32_t		size;
1308 	uint16_t		array_count;
1309 	uint16_t		array_size;
1310 	uint16_t		log_drv_count;
1311 	uint16_t		log_drv_size;
1312 	uint16_t		spares_count;
1313 	uint16_t		spares_size;
1314 	uint8_t			reserved[16];
1315 	struct mfi_array	array[0];
1316 	struct mfi_ld_config	ld[0];
1317 	struct mfi_spare	spare[0];
1318 } __packed;
1319 
1320 struct mfi_bbu_capacity_info {
1321 	uint16_t		relative_charge;
1322 	uint16_t		absolute_charge;
1323 	uint16_t		remaining_capacity;
1324 	uint16_t		full_charge_capacity;
1325 	uint16_t		run_time_to_empty;
1326 	uint16_t		average_time_to_empty;
1327 	uint16_t		average_time_to_full;
1328 	uint16_t		cycle_count;
1329 	uint16_t		max_error;
1330 	uint16_t		remaining_capacity_alarm;
1331 	uint16_t		remaining_time_alarm;
1332 	uint8_t			reserved[26];
1333 } __packed;
1334 
1335 struct mfi_bbu_design_info {
1336 	uint32_t		mfg_date;
1337 	uint16_t		design_capacity;
1338 	uint16_t		design_voltage;
1339 	uint16_t		spec_info;
1340 	uint16_t		serial_number;
1341 	uint16_t		pack_stat_config;
1342 	uint8_t			mfg_name[12];
1343 	uint8_t			device_name[8];
1344 	uint8_t			device_chemistry[8];
1345 	uint8_t			mfg_data[8];
1346 	uint8_t			reserved[17];
1347 } __packed;
1348 
1349 struct mfi_ibbu_state {
1350 	uint16_t		gas_guage_status;
1351 	uint16_t		relative_charge;
1352 	uint16_t		charger_system_state;
1353 	uint16_t		charger_system_ctrl;
1354 	uint16_t		charging_current;
1355 	uint16_t		absolute_charge;
1356 	uint16_t		max_error;
1357 	uint8_t			reserved[18];
1358 } __packed;
1359 
1360 struct mfi_bbu_state {
1361 	uint16_t		gas_guage_status;
1362 	uint16_t		relative_charge;
1363 	uint16_t		charger_status;
1364 	uint16_t		remaining_capacity;
1365 	uint16_t		full_charge_capacity;
1366 	uint8_t			is_SOH_good;
1367 	uint8_t			reserved[21];
1368 } __packed;
1369 
1370 union mfi_bbu_status_detail {
1371 	struct mfi_ibbu_state	ibbu;
1372 	struct mfi_bbu_state	bbu;
1373 };
1374 
1375 struct mfi_bbu_status {
1376 	uint8_t			battery_type;
1377 #define	MFI_BBU_TYPE_NONE	0
1378 #define	MFI_BBU_TYPE_IBBU	1
1379 #define	MFI_BBU_TYPE_BBU	2
1380 	uint8_t			reserved;
1381 	uint16_t		voltage;
1382 	int16_t			current;
1383 	uint16_t		temperature;
1384 	uint32_t		fw_status;
1385 #define	MFI_BBU_STATE_PACK_MISSING	(1 << 0)
1386 #define	MFI_BBU_STATE_VOLTAGE_LOW	(1 << 1)
1387 #define	MFI_BBU_STATE_TEMPERATURE_HIGH	(1 << 2)
1388 #define	MFI_BBU_STATE_CHARGE_ACTIVE	(1 << 3)
1389 #define	MFI_BBU_STATE_DISCHARGE_ACTIVE	(1 << 4)
1390 #define	MFI_BBU_STATE_LEARN_CYC_REQ	(1 << 5)
1391 #define	MFI_BBU_STATE_LEARN_CYC_ACTIVE	(1 << 6)
1392 #define	MFI_BBU_STATE_LEARN_CYC_FAIL	(1 << 7)
1393 #define	MFI_BBU_STATE_LEARN_CYC_TIMEOUT	(1 << 8)
1394 #define	MFI_BBU_STATE_I2C_ERR_DETECT	(1 << 9)
1395 	uint8_t			pad[20];
1396 	union mfi_bbu_status_detail detail;
1397 } __packed;
1398 
1399 enum mfi_pr_state {
1400 	MFI_PR_STATE_STOPPED = 0,
1401 	MFI_PR_STATE_READY = 1,
1402 	MFI_PR_STATE_ACTIVE = 2,
1403 	MFI_PR_STATE_ABORTED = 0xff
1404 };
1405 
1406 struct mfi_pr_status {
1407 	uint32_t		num_iteration;
1408 	uint8_t			state;
1409 	uint8_t			num_pd_done;
1410 	uint8_t			reserved[10];
1411 };
1412 
1413 enum mfi_pr_opmode {
1414 	MFI_PR_OPMODE_AUTO = 0,
1415 	MFI_PR_OPMODE_MANUAL = 1,
1416 	MFI_PR_OPMODE_DISABLED = 2
1417 };
1418 
1419 struct mfi_pr_properties {
1420 	uint8_t			op_mode;
1421 	uint8_t			max_pd;
1422 	uint8_t			reserved;
1423 	uint8_t			exclude_ld_count;
1424 	uint16_t		excluded_ld[MFI_MAX_LD];
1425 	uint8_t			cur_pd_map[MFI_MAX_PD / 8];
1426 	uint8_t			last_pd_map[MFI_MAX_PD / 8];
1427 	uint32_t		next_exec;
1428 	uint32_t		exec_freq;
1429 	uint32_t		clear_freq;
1430 };
1431 
1432 /* ThunderBolt support */
1433 
1434 /*
1435  * Raid Context structure which describes MegaRAID specific IO Paramenters
1436  * This resides at offset 0x60 where the SGL normally starts in MPT IO Frames
1437  */
1438 typedef struct _MPI2_SCSI_IO_VENDOR_UNIQUE {
1439 	uint16_t	resvd0;		/* 0x00 - 0x01 */
1440 	uint16_t	timeoutValue;	/* 0x02 - 0x03 */
1441 	uint8_t		regLockFlags;
1442 	uint8_t		armId;
1443 	uint16_t	TargetID;	/* 0x06 - 0x07 */
1444 
1445 	uint64_t	RegLockLBA;	/* 0x08 - 0x0F */
1446 
1447 	uint32_t	RegLockLength;	/* 0x10 - 0x13 */
1448 
1449 	uint16_t	SMID;		/* 0x14 - 0x15 nextLMId */
1450 	uint8_t		exStatus;	/* 0x16 */
1451 	uint8_t		Status;		/* 0x17 status */
1452 
1453 	uint8_t		RAIDFlags;	/* 0x18 */
1454 	uint8_t		numSGE;		/* 0x19 numSge */
1455 	uint16_t	configSeqNum;	/* 0x1A - 0x1B */
1456 	uint8_t		spanArm;	/* 0x1C */
1457 	uint8_t		resvd2[3];	/* 0x1D - 0x1F */
1458 } MPI2_SCSI_IO_VENDOR_UNIQUE, MPI25_SCSI_IO_VENDOR_UNIQUE;
1459 
1460 /*****************************************************************************
1461 *
1462 *        Message Functions
1463 *
1464 *****************************************************************************/
1465 
1466 #define NA_MPI2_FUNCTION_SCSI_IO_REQUEST            (0x00) /* SCSI IO */
1467 #define MPI2_FUNCTION_SCSI_TASK_MGMT                (0x01) /* SCSI Task Management */
1468 #define MPI2_FUNCTION_IOC_INIT                      (0x02) /* IOC Init */
1469 #define MPI2_FUNCTION_IOC_FACTS                     (0x03) /* IOC Facts */
1470 #define MPI2_FUNCTION_CONFIG                        (0x04) /* Configuration */
1471 #define MPI2_FUNCTION_PORT_FACTS                    (0x05) /* Port Facts */
1472 #define MPI2_FUNCTION_PORT_ENABLE                   (0x06) /* Port Enable */
1473 #define MPI2_FUNCTION_EVENT_NOTIFICATION            (0x07) /* Event Notification */
1474 #define MPI2_FUNCTION_EVENT_ACK                     (0x08) /* Event Acknowledge */
1475 #define MPI2_FUNCTION_FW_DOWNLOAD                   (0x09) /* FW Download */
1476 #define MPI2_FUNCTION_TARGET_ASSIST                 (0x0B) /* Target Assist */
1477 #define MPI2_FUNCTION_TARGET_STATUS_SEND            (0x0C) /* Target Status Send */
1478 #define MPI2_FUNCTION_TARGET_MODE_ABORT             (0x0D) /* Target Mode Abort */
1479 #define MPI2_FUNCTION_FW_UPLOAD                     (0x12) /* FW Upload */
1480 #define MPI2_FUNCTION_RAID_ACTION                   (0x15) /* RAID Action */
1481 #define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH      (0x16) /* SCSI IO RAID Passthrough */
1482 #define MPI2_FUNCTION_TOOLBOX                       (0x17) /* Toolbox */
1483 #define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR      (0x18) /* SCSI Enclosure Processor */
1484 #define MPI2_FUNCTION_SMP_PASSTHROUGH               (0x1A) /* SMP Passthrough */
1485 #define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL           (0x1B) /* SAS IO Unit Control */
1486 #define MPI2_FUNCTION_SATA_PASSTHROUGH              (0x1C) /* SATA Passthrough */
1487 #define MPI2_FUNCTION_DIAG_BUFFER_POST              (0x1D) /* Diagnostic Buffer Post */
1488 #define MPI2_FUNCTION_DIAG_RELEASE                  (0x1E) /* Diagnostic Release */
1489 #define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST      (0x24) /* Target Command Buffer Post Base */
1490 #define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST      (0x25) /* Target Command Buffer Post List */
1491 #define MPI2_FUNCTION_RAID_ACCELERATOR              (0x2C) /* RAID Accelerator */
1492 #define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION   (0x2F) /* Host Based Discovery Action */
1493 #define MPI2_FUNCTION_PWR_MGMT_CONTROL              (0x30) /* Power Management Control */
1494 #define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC          (0xF0) /* beginning of product-specific range */
1495 #define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC          (0xFF) /* end of product-specific range */
1496 
1497 /* Doorbell functions */
1498 #define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET        (0x40)
1499 #define MPI2_FUNCTION_HANDSHAKE                     (0x42)
1500 
1501 /*****************************************************************************
1502 *
1503 *        MPI Version Definitions
1504 *
1505 *****************************************************************************/
1506 
1507 #define MPI2_VERSION_MAJOR                  (0x02)
1508 #define MPI2_VERSION_MINOR                  (0x00)
1509 #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
1510 #define MPI2_VERSION_MAJOR_SHIFT            (8)
1511 #define MPI2_VERSION_MINOR_MASK             (0x00FF)
1512 #define MPI2_VERSION_MINOR_SHIFT            (0)
1513 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) |   \
1514                                       MPI2_VERSION_MINOR)
1515 
1516 #define MPI2_VERSION_02_00                  (0x0200)
1517 
1518 /* versioning for this MPI header set */
1519 #define MPI2_HEADER_VERSION_UNIT            (0x10)
1520 #define MPI2_HEADER_VERSION_DEV             (0x00)
1521 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
1522 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
1523 #define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
1524 #define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
1525 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) |		\
1526 					MPI2_HEADER_VERSION_DEV)
1527 
1528 
1529 /* IOCInit Request message */
1530 struct MPI2_IOC_INIT_REQUEST {
1531 	uint8_t		WhoInit;                        /* 0x00 */
1532 	uint8_t		Reserved1;                      /* 0x01 */
1533 	uint8_t		ChainOffset;                    /* 0x02 */
1534 	uint8_t		Function;                       /* 0x03 */
1535 	uint16_t	Reserved2;                      /* 0x04 */
1536 	uint8_t		Reserved3;                      /* 0x06 */
1537 	uint8_t		MsgFlags;                       /* 0x07 */
1538 	uint8_t		VP_ID;                          /* 0x08 */
1539 	uint8_t		VF_ID;                          /* 0x09 */
1540 	uint16_t	Reserved4;                      /* 0x0A */
1541 	uint16_t	MsgVersion;                     /* 0x0C */
1542 	uint16_t	HeaderVersion;                  /* 0x0E */
1543 	uint32_t	Reserved5;                      /* 0x10 */
1544 	uint16_t	Reserved6;                      /* 0x14 */
1545 	uint8_t		Reserved7;                      /* 0x16 */
1546 	uint8_t		HostMSIxVectors;                /* 0x17 */
1547 	uint16_t	Reserved8;                      /* 0x18 */
1548 	uint16_t	SystemRequestFrameSize;         /* 0x1A */
1549 	uint16_t	ReplyDescriptorPostQueueDepth;  /* 0x1C */
1550 	uint16_t	ReplyFreeQueueDepth;            /* 0x1E */
1551 	uint32_t	SenseBufferAddressHigh;         /* 0x20 */
1552 	uint32_t	SystemReplyAddressHigh;         /* 0x24 */
1553 	uint64_t	SystemRequestFrameBaseAddress;  /* 0x28 */
1554 	uint64_t	ReplyDescriptorPostQueueAddress;/* 0x30 */
1555 	uint64_t	ReplyFreeQueueAddress;          /* 0x38 */
1556 	uint64_t	TimeStamp;                      /* 0x40 */
1557 };
1558 
1559 /* WhoInit values */
1560 #define MPI2_WHOINIT_NOT_INITIALIZED            (0x00)
1561 #define MPI2_WHOINIT_SYSTEM_BIOS                (0x01)
1562 #define MPI2_WHOINIT_ROM_BIOS                   (0x02)
1563 #define MPI2_WHOINIT_PCI_PEER                   (0x03)
1564 #define MPI2_WHOINIT_HOST_DRIVER                (0x04)
1565 #define MPI2_WHOINIT_MANUFACTURER               (0x05)
1566 
1567 struct MPI2_SGE_CHAIN_UNION {
1568 	uint16_t	Length;
1569 	uint8_t		NextChainOffset;
1570 	uint8_t		Flags;
1571 	union {
1572 		uint32_t	Address32;
1573 		uint64_t	Address64;
1574 	} u;
1575 };
1576 
1577 struct MPI2_IEEE_SGE_SIMPLE32 {
1578 	uint32_t	Address;
1579 	uint32_t	FlagsLength;
1580 };
1581 
1582 struct MPI2_IEEE_SGE_SIMPLE64 {
1583 	uint64_t	Address;
1584 	uint32_t	Length;
1585 	uint16_t	Reserved1;
1586 	uint8_t		Reserved2;
1587 	uint8_t		Flags;
1588 };
1589 
1590 typedef union _MPI2_IEEE_SGE_SIMPLE_UNION {
1591 	struct MPI2_IEEE_SGE_SIMPLE32	Simple32;
1592 	struct MPI2_IEEE_SGE_SIMPLE64	Simple64;
1593 } MPI2_IEEE_SGE_SIMPLE_UNION;
1594 
1595 typedef struct _MPI2_SGE_SIMPLE_UNION {
1596 	uint32_t	FlagsLength;
1597 	union {
1598 		uint32_t	Address32;
1599 		uint64_t	Address64;
1600 	} u;
1601 } MPI2_SGE_SIMPLE_UNION;
1602 
1603 /****************************************************************************
1604 *  IEEE SGE field definitions and masks
1605 ****************************************************************************/
1606 
1607 /* Flags field bit definitions */
1608 
1609 #define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK   (0x80)
1610 
1611 #define MPI2_IEEE32_SGE_FLAGS_SHIFT             (24)
1612 
1613 #define MPI2_IEEE32_SGE_LENGTH_MASK             (0x00FFFFFF)
1614 
1615 /* Element Type */
1616 
1617 #define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT      (0x00)
1618 #define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT       (0x80)
1619 
1620 /* Data Location Address Space */
1621 
1622 #define MPI2_IEEE_SGE_FLAGS_ADDR_MASK           (0x03)
1623 #define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR         (0x00)
1624 #define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR         (0x01)
1625 #define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR         (0x02)
1626 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03)
1627 
1628 /* Address Size */
1629 
1630 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
1631 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
1632 
1633 /*******************/
1634 /* SCSI IO Control bits */
1635 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_MASK      (0xFC000000)
1636 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT     (26)
1637 
1638 #define MPI2_SCSIIO_CONTROL_DATADIRECTION_MASK  (0x03000000)
1639 #define MPI2_SCSIIO_CONTROL_NODATATRANSFER      (0x00000000)
1640 #define MPI2_SCSIIO_CONTROL_WRITE               (0x01000000)
1641 #define MPI2_SCSIIO_CONTROL_READ                (0x02000000)
1642 #define MPI2_SCSIIO_CONTROL_BIDIRECTIONAL       (0x03000000)
1643 
1644 #define MPI2_SCSIIO_CONTROL_TASKPRI_MASK        (0x00007800)
1645 #define MPI2_SCSIIO_CONTROL_TASKPRI_SHIFT       (11)
1646 
1647 #define MPI2_SCSIIO_CONTROL_TASKATTRIBUTE_MASK  (0x00000700)
1648 #define MPI2_SCSIIO_CONTROL_SIMPLEQ             (0x00000000)
1649 #define MPI2_SCSIIO_CONTROL_HEADOFQ             (0x00000100)
1650 #define MPI2_SCSIIO_CONTROL_ORDEREDQ            (0x00000200)
1651 #define MPI2_SCSIIO_CONTROL_ACAQ                (0x00000400)
1652 
1653 #define MPI2_SCSIIO_CONTROL_TLR_MASK            (0x000000C0)
1654 #define MPI2_SCSIIO_CONTROL_NO_TLR              (0x00000000)
1655 #define MPI2_SCSIIO_CONTROL_TLR_ON              (0x00000040)
1656 #define MPI2_SCSIIO_CONTROL_TLR_OFF             (0x00000080)
1657 
1658 /*******************/
1659 
1660 typedef struct {
1661 	uint8_t		CDB[20];                    /* 0x00 */
1662 	uint32_t	PrimaryReferenceTag;        /* 0x14 */
1663 	uint16_t	PrimaryApplicationTag;      /* 0x18 */
1664 	uint16_t	PrimaryApplicationTagMask;  /* 0x1A */
1665 	uint32_t	TransferLength;             /* 0x1C */
1666 } MPI2_SCSI_IO_CDB_EEDP32;
1667 
1668 
1669 typedef union _MPI2_IEEE_SGE_CHAIN_UNION {
1670 	struct MPI2_IEEE_SGE_SIMPLE32	Chain32;
1671 	struct MPI2_IEEE_SGE_SIMPLE64	Chain64;
1672 } MPI2_IEEE_SGE_CHAIN_UNION;
1673 
1674 typedef union _MPI2_SIMPLE_SGE_UNION {
1675 	MPI2_SGE_SIMPLE_UNION		MpiSimple;
1676 	MPI2_IEEE_SGE_SIMPLE_UNION	IeeeSimple;
1677 } MPI2_SIMPLE_SGE_UNION;
1678 
1679 typedef union _MPI2_SGE_IO_UNION {
1680 	MPI2_SGE_SIMPLE_UNION		MpiSimple;
1681 	struct MPI2_SGE_CHAIN_UNION	MpiChain;
1682 	MPI2_IEEE_SGE_SIMPLE_UNION	IeeeSimple;
1683 	MPI2_IEEE_SGE_CHAIN_UNION	IeeeChain;
1684 } MPI2_SGE_IO_UNION;
1685 
1686 typedef union {
1687 	uint8_t			CDB32[32];
1688 	MPI2_SCSI_IO_CDB_EEDP32	EEDP32;
1689 	MPI2_SGE_SIMPLE_UNION	SGE;
1690 } MPI2_SCSI_IO_CDB_UNION;
1691 
1692 
1693 /* MPI 2.5 SGLs */
1694 
1695 #define MPI25_IEEE_SGE_FLAGS_END_OF_LIST        (0x40)
1696 
1697 typedef struct _MPI25_IEEE_SGE_CHAIN64 {
1698 	uint64_t	Address;
1699 	uint32_t	Length;
1700 	uint16_t	Reserved1;
1701 	uint8_t		NextChainOffset;
1702 	uint8_t		Flags;
1703 } MPI25_IEEE_SGE_CHAIN64, *pMpi25IeeeSgeChain64_t;
1704 
1705 /* use MPI2_IEEE_SGE_FLAGS_ defines for the Flags field */
1706 
1707 
1708 /********/
1709 
1710 /*
1711  * RAID SCSI IO Request Message
1712  * Total SGE count will be one less than  _MPI2_SCSI_IO_REQUEST
1713  */
1714 struct mfi_mpi2_request_raid_scsi_io {
1715 	uint16_t		DevHandle;                      /* 0x00 */
1716 	uint8_t			ChainOffset;                    /* 0x02 */
1717 	uint8_t			Function;                       /* 0x03 */
1718 	uint16_t		Reserved1;                      /* 0x04 */
1719 	uint8_t			Reserved2;                      /* 0x06 */
1720 	uint8_t			MsgFlags;                       /* 0x07 */
1721 	uint8_t			VP_ID;                          /* 0x08 */
1722 	uint8_t			VF_ID;                          /* 0x09 */
1723 	uint16_t		Reserved3;                      /* 0x0A */
1724 	uint32_t		SenseBufferLowAddress;          /* 0x0C */
1725 	uint16_t		SGLFlags;                       /* 0x10 */
1726 	uint8_t			SenseBufferLength;              /* 0x12 */
1727 	uint8_t			Reserved4;                      /* 0x13 */
1728 	uint8_t			SGLOffset0;                     /* 0x14 */
1729 	uint8_t			SGLOffset1;                     /* 0x15 */
1730 	uint8_t			SGLOffset2;                     /* 0x16 */
1731 	uint8_t			SGLOffset3;                     /* 0x17 */
1732 	uint32_t		SkipCount;                      /* 0x18 */
1733 	uint32_t		DataLength;                     /* 0x1C */
1734 	uint32_t		BidirectionalDataLength;        /* 0x20 */
1735 	uint16_t		IoFlags;                        /* 0x24 */
1736 	uint16_t		EEDPFlags;                      /* 0x26 */
1737 	uint32_t		EEDPBlockSize;                  /* 0x28 */
1738 	uint32_t		SecondaryReferenceTag;          /* 0x2C */
1739 	uint16_t		SecondaryApplicationTag;        /* 0x30 */
1740 	uint16_t		ApplicationTagTranslationMask;  /* 0x32 */
1741 	uint8_t			LUN[8];                         /* 0x34 */
1742 	uint32_t		Control;                        /* 0x3C */
1743 	MPI2_SCSI_IO_CDB_UNION	CDB;                            /* 0x40 */
1744 	MPI2_SCSI_IO_VENDOR_UNIQUE	RaidContext;              /* 0x60 */
1745 	MPI2_SGE_IO_UNION	SGL;                            /* 0x80 */
1746 } __packed;
1747 
1748 /*
1749  * MPT RAID MFA IO Descriptor.
1750  */
1751 typedef struct _MFI_RAID_MFA_IO_DESCRIPTOR {
1752 	uint32_t	RequestFlags : 8;
1753 	uint32_t	MessageAddress1 : 24; /* bits 31:8*/
1754 	uint32_t	MessageAddress2;      /* bits 61:32 */
1755 } MFI_RAID_MFA_IO_REQUEST_DESCRIPTOR,*PMFI_RAID_MFA_IO_REQUEST_DESCRIPTOR;
1756 
1757 struct mfi_mpi2_request_header {
1758 	uint8_t		RequestFlags;       /* 0x00 */
1759 	uint8_t		MSIxIndex;          /* 0x01 */
1760 	uint16_t	SMID;               /* 0x02 */
1761 	uint16_t	LMID;               /* 0x04 */
1762 };
1763 
1764 /* defines for the RequestFlags field */
1765 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK               (0x0E)
1766 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
1767 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET             (0x02)
1768 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY           (0x06)
1769 #define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE            (0x08)
1770 #define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR        (0x0A)
1771 
1772 #define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER (0x01)
1773 
1774 struct mfi_mpi2_request_high_priority {
1775 	struct mfi_mpi2_request_header	header;
1776 	uint16_t			reserved;
1777 };
1778 
1779 struct mfi_mpi2_request_scsi_io {
1780 	struct mfi_mpi2_request_header	header;
1781 	uint16_t			scsi_io_dev_handle;
1782 };
1783 
1784 struct mfi_mpi2_request_scsi_target {
1785 	struct mfi_mpi2_request_header	header;
1786 	uint16_t			scsi_target_io_index;
1787 };
1788 
1789 /* Request Descriptors */
1790 union mfi_mpi2_request_descriptor {
1791 	struct mfi_mpi2_request_header		header;
1792 	struct mfi_mpi2_request_high_priority	high_priority;
1793 	struct mfi_mpi2_request_scsi_io		scsi_io;
1794 	struct mfi_mpi2_request_scsi_target	scsi_target;
1795 	uint64_t				words;
1796 };
1797 
1798 
1799 struct mfi_mpi2_reply_header {
1800 	uint8_t		ReplyFlags;                 /* 0x00 */
1801 	uint8_t		MSIxIndex;                  /* 0x01 */
1802 	uint16_t	SMID;                       /* 0x02 */
1803 };
1804 
1805 /* defines for the ReplyFlags field */
1806 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK                   (0x0F)
1807 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS             (0x00)
1808 #define MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY               (0x01)
1809 #define MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS        (0x02)
1810 #define MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER       (0x03)
1811 #define MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS    (0x05)
1812 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED                      (0x0F)
1813 
1814 /* values for marking a reply descriptor as unused */
1815 #define MPI2_RPY_DESCRIPT_UNUSED_WORD0_MARK             (0xFFFFFFFF)
1816 #define MPI2_RPY_DESCRIPT_UNUSED_WORD1_MARK             (0xFFFFFFFF)
1817 
1818 struct mfi_mpi2_reply_default {
1819 	struct mfi_mpi2_reply_header	header;
1820 	uint32_t			DescriptorTypeDependent2;
1821 };
1822 
1823 struct mfi_mpi2_reply_address {
1824 	struct mfi_mpi2_reply_header	header;
1825 	uint32_t			ReplyFrameAddress;
1826 };
1827 
1828 struct mfi_mpi2_reply_scsi_io {
1829 	struct mfi_mpi2_reply_header	header;
1830 	uint16_t			TaskTag;		/* 0x04 */
1831 	uint16_t			Reserved1;		/* 0x06 */
1832 };
1833 
1834 struct mfi_mpi2_reply_target_assist {
1835 	struct mfi_mpi2_reply_header	header;
1836 	uint8_t				SequenceNumber;		/* 0x04 */
1837 	uint8_t				Reserved1;		/* 0x04 */
1838 	uint16_t			IoIndex;		/* 0x06 */
1839 };
1840 
1841 struct mfi_mpi2_reply_target_cmd_buffer {
1842 	struct mfi_mpi2_reply_header	header;
1843 	uint8_t				SequenceNumber;		/* 0x04 */
1844 	uint8_t				Flags;			/* 0x04 */
1845 	uint16_t			InitiatorDevHandle;	/* 0x06 */
1846 	uint16_t			IoIndex;		/* 0x06 */
1847 };
1848 
1849 struct mfi_mpi2_reply_raid_accel {
1850 	struct mfi_mpi2_reply_header	header;
1851 	uint8_t				SequenceNumber;		/* 0x04 */
1852 	uint32_t			Reserved;		/* 0x04 */
1853 };
1854 
1855 /* union of Reply Descriptors */
1856 union mfi_mpi2_reply_descriptor {
1857 	struct mfi_mpi2_reply_header		header;
1858 	struct mfi_mpi2_reply_scsi_io		scsi_io;
1859 	struct mfi_mpi2_reply_target_assist	target_assist;
1860 	struct mfi_mpi2_reply_target_cmd_buffer	target_cmd;
1861 	struct mfi_mpi2_reply_raid_accel	raid_accel;
1862 	struct mfi_mpi2_reply_default		reply_default;
1863 	uint64_t				words;
1864 };
1865 
1866 struct IO_REQUEST_INFO {
1867 	uint64_t	ldStartBlock;
1868 	uint32_t	numBlocks;
1869 	uint16_t	ldTgtId;
1870 	uint8_t		isRead;
1871 	uint16_t	devHandle;
1872 	uint64_t	pdBlock;
1873 	uint8_t		fpOkForIo;
1874 };
1875 
1876 #define MFI_SCSI_MAX_TARGETS	128
1877 #define MFI_SCSI_MAX_LUNS	8
1878 #define MFI_SCSI_INITIATOR_ID	255
1879 #define MFI_SCSI_MAX_CMDS	8
1880 #define MFI_SCSI_MAX_CDB_LEN	16
1881 
1882 #endif /* _MFIREG_H */
1883