xref: /dragonfly/sys/dev/raid/mfi/mfireg.h (revision 52f9f0d9)
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  * $FreeBSD: src/sys/dev/mfi/mfireg.h,v 1.16 2011/07/14 20:20:33 jhb Exp $
53  * FreeBSD projects/head_mfi/ r232888
54  */
55 
56 #ifndef _MFIREG_H
57 #define _MFIREG_H
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 
68 #define MEGAMFI_FRAME_SIZE              64
69 
70 /*
71  * Start with the register set.  All registers are 32 bits wide.
72  * The usual Intel IOP style setup.
73  */
74 #define MFI_IMSG0	0x10	/* Inbound message 0 */
75 #define MFI_IMSG1	0x14	/* Inbound message 1 */
76 #define MFI_OMSG0	0x18	/* Outbound message 0 */
77 #define MFI_OMSG1	0x1c	/* Outbound message 1 */
78 #define MFI_IDB		0x20	/* Inbound doorbell */
79 #define MFI_ISTS	0x24	/* Inbound interrupt status */
80 #define MFI_IMSK	0x28	/* Inbound interrupt mask */
81 #define MFI_ODB		0x2c	/* Outbound doorbell */
82 #define MFI_OSTS	0x30	/* Outbound interrupt status */
83 #define MFI_OMSK	0x34	/* Outbound interrupt mask */
84 #define MFI_IQP		0x40	/* Inbound queue port */
85 #define MFI_OQP		0x44	/* Outbound queue port */
86 
87 /*
88  * ThunderBolt specific Register
89  */
90 
91 #define MFI_RPI		0x6c 		/* reply_post_host_index */
92 #define MFI_ILQP 	0xc0		/* inbound_low_queue_port */
93 #define MFI_IHQP 	0xc4		/* inbound_high_queue_port */
94 
95 /*
96  * 1078 specific related register
97  */
98 #define MFI_ODR0	0x9c 		/* outbound doorbell register0 */
99 #define MFI_ODCR0	0xa0 		/* outbound doorbell clear register0  */
100 #define MFI_OSP0	0xb0 		/* outbound scratch pad0  */
101 #define MFI_1078_EIM	0x80000004 	/* 1078 enable intrrupt mask  */
102 #define MFI_RMI		0x2 		/* reply message interrupt  */
103 #define MFI_1078_RM	0x80000000 	/* reply 1078 message interrupt  */
104 #define MFI_ODC		0x4 		/* outbound doorbell change interrupt */
105 
106 /* OCR registers */
107 #define MFI_WSR		0x004		/* write sequence register */
108 #define MFI_HDR		0x008		/* host diagnostic register */
109 #define MFI_RSR		0x3c3		/* Reset Status Register */
110 
111 /*
112  * GEN2 specific changes
113  */
114 #define MFI_GEN2_EIM	0x00000005	/* GEN2 enable interrupt mask */
115 #define MFI_GEN2_RM	0x00000001	/* reply GEN2 message interrupt */
116 
117 /*
118  * skinny specific changes
119  */
120 #define MFI_SKINNY_IDB	0x00	/* Inbound doorbell is at 0x00 for skinny */
121 #define MFI_IQPL	0x000000c0
122 #define MFI_IQPH	0x000000c4
123 #define MFI_SKINNY_RM	0x00000001	/* reply skinny message interrupt */
124 
125 /* Bits for MFI_OSTS */
126 #define MFI_OSTS_INTR_VALID	0x00000002
127 
128 /* OCR specific flags */
129 #define MFI_FIRMWARE_STATE_CHANGE	0x00000002
130 #define MFI_STATE_CHANGE_INTERRUPT	0x00000004  /* MFI state change interrrupt */
131 
132 /*
133  * Firmware state values.  Found in OMSG0 during initialization.
134  */
135 #define MFI_FWSTATE_MASK		0xf0000000
136 #define MFI_FWSTATE_UNDEFINED		0x00000000
137 #define MFI_FWSTATE_BB_INIT		0x10000000
138 #define MFI_FWSTATE_FW_INIT		0x40000000
139 #define MFI_FWSTATE_WAIT_HANDSHAKE	0x60000000
140 #define MFI_FWSTATE_FW_INIT_2		0x70000000
141 #define MFI_FWSTATE_DEVICE_SCAN		0x80000000
142 #define MFI_FWSTATE_BOOT_MESSAGE_PENDING	0x90000000
143 #define MFI_FWSTATE_FLUSH_CACHE		0xa0000000
144 #define MFI_FWSTATE_READY		0xb0000000
145 #define MFI_FWSTATE_OPERATIONAL		0xc0000000
146 #define MFI_FWSTATE_FAULT		0xf0000000
147 #define MFI_FWSTATE_MAXSGL_MASK		0x00ff0000
148 #define MFI_FWSTATE_MAXCMD_MASK		0x0000ffff
149 #define MFI_FWSTATE_HOSTMEMREQD_MASK	0x08000000
150 #define MFI_FWSTATE_BOOT_MESSAGE_PENDING	0x90000000
151 #define MFI_RESET_REQUIRED		0x00000001
152 
153 /* ThunderBolt Support */
154 #define MFI_FWSTATE_TB_MASK		0xf0000000
155 #define MFI_FWSTATE_TB_RESET		0x00000000
156 #define MFI_FWSTATE_TB_READY		0x10000000
157 #define MFI_FWSTATE_TB_OPERATIONAL	0x20000000
158 #define MFI_FWSTATE_TB_FAULT		0x40000000
159 
160 /*
161  * Control bits to drive the card to ready state.  These go into the IDB
162  * register.
163  */
164 #define MFI_FWINIT_ABORT	0x00000000 /* Abort all pending commands */
165 #define MFI_FWINIT_READY	0x00000002 /* Move from operational to ready */
166 #define MFI_FWINIT_MFIMODE	0x00000004 /* unknown */
167 #define MFI_FWINIT_CLEAR_HANDSHAKE 0x00000008 /* Respond to WAIT_HANDSHAKE */
168 #define MFI_FWINIT_HOTPLUG	0x00000010
169 
170 /* ADP reset flags */
171 #define MFI_STOP_ADP		0x00000020
172 #define MFI_ADP_RESET		0x00000040
173 #define DIAG_WRITE_ENABLE	0x00000080
174 #define DIAG_RESET_ADAPTER	0x00000004
175 
176 /* MFI Commands */
177 typedef enum {
178 	MFI_CMD_INIT =		0x00,
179 	MFI_CMD_LD_READ,
180 	MFI_CMD_LD_WRITE,
181 	MFI_CMD_LD_SCSI_IO,
182 	MFI_CMD_PD_SCSI_IO,
183 	MFI_CMD_DCMD,
184 	MFI_CMD_ABORT,
185 	MFI_CMD_SMP,
186 	MFI_CMD_STP
187 } mfi_cmd_t;
188 
189 /* Direct commands */
190 typedef enum {
191 	MFI_DCMD_CTRL_MFI_HOST_MEM_ALLOC = 0x0100e100,
192 	MFI_DCMD_CTRL_GETINFO =		0x01010000,
193 	MFI_DCMD_CTRL_MFC_DEFAULTS_GET =0x010e0201,
194 	MFI_DCMD_CTRL_MFC_DEFAULTS_SET =0x010e0202,
195 	MFI_DCMD_CTRL_FLUSHCACHE =	0x01101000,
196 	MFI_DCMD_CTRL_SHUTDOWN =	0x01050000,
197 	MFI_DCMD_CTRL_EVENT_GETINFO =	0x01040100,
198 	MFI_DCMD_CTRL_EVENT_GET =	0x01040300,
199 	MFI_DCMD_CTRL_EVENT_WAIT =	0x01040500,
200 	MFI_DCMD_PR_GET_STATUS =	0x01070100,
201 	MFI_DCMD_PR_GET_PROPERTIES =	0x01070200,
202 	MFI_DCMD_PR_SET_PROPERTIES =	0x01070300,
203 	MFI_DCMD_PR_START =		0x01070400,
204 	MFI_DCMD_PR_STOP =		0x01070500,
205 	MFI_DCMD_TIME_SECS_GET =	0x01080201,
206 	MFI_DCMD_FLASH_FW_OPEN =	0x010f0100,
207 	MFI_DCMD_FLASH_FW_DOWNLOAD =	0x010f0200,
208 	MFI_DCMD_FLASH_FW_FLASH =	0x010f0300,
209 	MFI_DCMD_FLASH_FW_CLOSE =	0x010f0400,
210 	MFI_DCMD_PD_GET_LIST =		0x02010000,
211 	MFI_DCMD_PD_LIST_QUERY =	0x02010100,
212 	MFI_DCMD_PD_GET_INFO = 		0x02020000,
213 	MFI_DCMD_PD_STATE_SET =		0x02030100,
214 	MFI_DCMD_PD_REBUILD_START =	0x02040100,
215 	MFI_DCMD_PD_REBUILD_ABORT =	0x02040200,
216 	MFI_DCMD_PD_CLEAR_START =	0x02050100,
217 	MFI_DCMD_PD_CLEAR_ABORT =	0x02050200,
218 	MFI_DCMD_PD_GET_PROGRESS =	0x02060000,
219 	MFI_DCMD_PD_LOCATE_START =	0x02070100,
220 	MFI_DCMD_PD_LOCATE_STOP =	0x02070200,
221 	MFI_DCMD_LD_MAP_GET_INFO =	0x0300e101,
222 	MFI_DCMD_LD_SYNC =		0x0300e102,
223 	MFI_DCMD_LD_GET_LIST =		0x03010000,
224 	MFI_DCMD_LD_GET_INFO =		0x03020000,
225 	MFI_DCMD_LD_GET_PROP =		0x03030000,
226 	MFI_DCMD_LD_SET_PROP =		0x03040000,
227 	MFI_DCMD_LD_INIT_START =	0x03060100,
228 	MFI_DCMD_LD_DELETE =		0x03090000,
229 	MFI_DCMD_CFG_READ =		0x04010000,
230 	MFI_DCMD_CFG_ADD =		0x04020000,
231 	MFI_DCMD_CFG_CLEAR =		0x04030000,
232 	MFI_DCMD_CFG_MAKE_SPARE =	0x04040000,
233 	MFI_DCMD_CFG_REMOVE_SPARE =	0x04050000,
234 	MFI_DCMD_CFG_FOREIGN_IMPORT =	0x04060400,
235 	MFI_DCMD_BBU_GET_STATUS =	0x05010000,
236 	MFI_DCMD_BBU_GET_CAPACITY_INFO =0x05020000,
237 	MFI_DCMD_BBU_GET_DESIGN_INFO =	0x05030000,
238 	MFI_DCMD_CLUSTER =		0x08000000,
239 	MFI_DCMD_CLUSTER_RESET_ALL =	0x08010100,
240 	MFI_DCMD_CLUSTER_RESET_LD =	0x08010200
241 } mfi_dcmd_t;
242 
243 /* Modifiers for MFI_DCMD_CTRL_FLUSHCACHE */
244 #define MFI_FLUSHCACHE_CTRL	0x01
245 #define MFI_FLUSHCACHE_DISK	0x02
246 
247 /* Modifiers for MFI_DCMD_CTRL_SHUTDOWN */
248 #define MFI_SHUTDOWN_SPINDOWN	0x01
249 
250 /*
251  * MFI Frame flags
252  */
253 #define MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
254 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
255 #define MFI_FRAME_SGL32				0x0000
256 #define MFI_FRAME_SGL64				0x0002
257 #define MFI_FRAME_SENSE32			0x0000
258 #define MFI_FRAME_SENSE64			0x0004
259 #define MFI_FRAME_DIR_NONE			0x0000
260 #define MFI_FRAME_DIR_WRITE			0x0008
261 #define MFI_FRAME_DIR_READ			0x0010
262 #define MFI_FRAME_DIR_BOTH			0x0018
263 #define MFI_FRAME_IEEE_SGL			0x0020
264 
265 /* ThunderBolt Specific */
266 
267 /*
268  * Pre-TB command size and TB command size.
269  * We will be checking it at the load time for the time being
270  */
271 #define MR_COMMAND_SIZE (MFI_FRAME_SIZE*20) /* 1280 bytes */
272 
273 #define MEGASAS_THUNDERBOLT_MSG_ALLIGNMENT  256
274 /*
275  * We are defining only 128 byte message to reduce memory move over head
276  * and also it will reduce the SRB extension size by 128byte compared with
277  * 256 message size
278  */
279 #define MEGASAS_THUNDERBOLT_NEW_MSG_SIZE	256
280 #define MEGASAS_THUNDERBOLT_MAX_COMMANDS	1024
281 #define MEGASAS_THUNDERBOLT_MAX_REPLY_COUNT	1024
282 #define MEGASAS_THUNDERBOLT_REPLY_SIZE		8
283 #define MEGASAS_THUNDERBOLT_MAX_CHAIN_COUNT	1
284 #define MEGASAS_MAX_SZ_CHAIN_FRAME		1024
285 
286 #define MPI2_FUNCTION_PASSTHRU_IO_REQUEST       0xF0
287 #define MPI2_FUNCTION_LD_IO_REQUEST             0xF1
288 
289 #define MR_INTERNAL_MFI_FRAMES_SMID             1
290 #define MR_CTRL_EVENT_WAIT_SMID                 2
291 #define MR_INTERNAL_DRIVER_RESET_SMID           3
292 
293 
294 /* MFI Status codes */
295 typedef enum {
296 	MFI_STAT_OK =			0x00,
297 	MFI_STAT_INVALID_CMD,
298 	MFI_STAT_INVALID_DCMD,
299 	MFI_STAT_INVALID_PARAMETER,
300 	MFI_STAT_INVALID_SEQUENCE_NUMBER,
301 	MFI_STAT_ABORT_NOT_POSSIBLE,
302 	MFI_STAT_APP_HOST_CODE_NOT_FOUND,
303 	MFI_STAT_APP_IN_USE,
304 	MFI_STAT_APP_NOT_INITIALIZED,
305 	MFI_STAT_ARRAY_INDEX_INVALID,
306 	MFI_STAT_ARRAY_ROW_NOT_EMPTY,
307 	MFI_STAT_CONFIG_RESOURCE_CONFLICT,
308 	MFI_STAT_DEVICE_NOT_FOUND,
309 	MFI_STAT_DRIVE_TOO_SMALL,
310 	MFI_STAT_FLASH_ALLOC_FAIL,
311 	MFI_STAT_FLASH_BUSY,
312 	MFI_STAT_FLASH_ERROR =		0x10,
313 	MFI_STAT_FLASH_IMAGE_BAD,
314 	MFI_STAT_FLASH_IMAGE_INCOMPLETE,
315 	MFI_STAT_FLASH_NOT_OPEN,
316 	MFI_STAT_FLASH_NOT_STARTED,
317 	MFI_STAT_FLUSH_FAILED,
318 	MFI_STAT_HOST_CODE_NOT_FOUNT,
319 	MFI_STAT_LD_CC_IN_PROGRESS,
320 	MFI_STAT_LD_INIT_IN_PROGRESS,
321 	MFI_STAT_LD_LBA_OUT_OF_RANGE,
322 	MFI_STAT_LD_MAX_CONFIGURED,
323 	MFI_STAT_LD_NOT_OPTIMAL,
324 	MFI_STAT_LD_RBLD_IN_PROGRESS,
325 	MFI_STAT_LD_RECON_IN_PROGRESS,
326 	MFI_STAT_LD_WRONG_RAID_LEVEL,
327 	MFI_STAT_MAX_SPARES_EXCEEDED,
328 	MFI_STAT_MEMORY_NOT_AVAILABLE =	0x20,
329 	MFI_STAT_MFC_HW_ERROR,
330 	MFI_STAT_NO_HW_PRESENT,
331 	MFI_STAT_NOT_FOUND,
332 	MFI_STAT_NOT_IN_ENCL,
333 	MFI_STAT_PD_CLEAR_IN_PROGRESS,
334 	MFI_STAT_PD_TYPE_WRONG,
335 	MFI_STAT_PR_DISABLED,
336 	MFI_STAT_ROW_INDEX_INVALID,
337 	MFI_STAT_SAS_CONFIG_INVALID_ACTION,
338 	MFI_STAT_SAS_CONFIG_INVALID_DATA,
339 	MFI_STAT_SAS_CONFIG_INVALID_PAGE,
340 	MFI_STAT_SAS_CONFIG_INVALID_TYPE,
341 	MFI_STAT_SCSI_DONE_WITH_ERROR,
342 	MFI_STAT_SCSI_IO_FAILED,
343 	MFI_STAT_SCSI_RESERVATION_CONFLICT,
344 	MFI_STAT_SHUTDOWN_FAILED =	0x30,
345 	MFI_STAT_TIME_NOT_SET,
346 	MFI_STAT_WRONG_STATE,
347 	MFI_STAT_LD_OFFLINE,
348 	MFI_STAT_PEER_NOTIFICATION_REJECTED,
349 	MFI_STAT_PEER_NOTIFICATION_FAILED,
350 	MFI_STAT_RESERVATION_IN_PROGRESS,
351 	MFI_STAT_I2C_ERRORS_DETECTED,
352 	MFI_STAT_PCI_ERRORS_DETECTED,
353 	MFI_STAT_DIAG_FAILED,
354 	MFI_STAT_BOOT_MSG_PENDING,
355 	MFI_STAT_FOREIGN_CONFIG_INCOMPLETE,
356 	MFI_STAT_INVALID_STATUS =	0xFF
357 } mfi_status_t;
358 
359 typedef enum {
360 	MFI_EVT_CLASS_DEBUG =		-2,
361 	MFI_EVT_CLASS_PROGRESS =	-1,
362 	MFI_EVT_CLASS_INFO =		0,
363 	MFI_EVT_CLASS_WARNING =		1,
364 	MFI_EVT_CLASS_CRITICAL =	2,
365 	MFI_EVT_CLASS_FATAL =		3,
366 	MFI_EVT_CLASS_DEAD =		4
367 } mfi_evt_class_t;
368 
369 typedef enum {
370 	MFI_EVT_LOCALE_LD =		0x0001,
371 	MFI_EVT_LOCALE_PD =		0x0002,
372 	MFI_EVT_LOCALE_ENCL =		0x0004,
373 	MFI_EVT_LOCALE_BBU =		0x0008,
374 	MFI_EVT_LOCALE_SAS =		0x0010,
375 	MFI_EVT_LOCALE_CTRL =		0x0020,
376 	MFI_EVT_LOCALE_CONFIG =		0x0040,
377 	MFI_EVT_LOCALE_CLUSTER =	0x0080,
378 	MFI_EVT_LOCALE_ALL =		0xffff
379 } mfi_evt_locale_t;
380 
381 typedef enum {
382 	MR_EVT_ARGS_NONE =		0x00,
383 	MR_EVT_ARGS_CDB_SENSE,
384 	MR_EVT_ARGS_LD,
385 	MR_EVT_ARGS_LD_COUNT,
386 	MR_EVT_ARGS_LD_LBA,
387 	MR_EVT_ARGS_LD_OWNER,
388 	MR_EVT_ARGS_LD_LBA_PD_LBA,
389 	MR_EVT_ARGS_LD_PROG,
390 	MR_EVT_ARGS_LD_STATE,
391 	MR_EVT_ARGS_LD_STRIP,
392 	MR_EVT_ARGS_PD,
393 	MR_EVT_ARGS_PD_ERR,
394 	MR_EVT_ARGS_PD_LBA,
395 	MR_EVT_ARGS_PD_LBA_LD,
396 	MR_EVT_ARGS_PD_PROG,
397 	MR_EVT_ARGS_PD_STATE,
398 	MR_EVT_ARGS_PCI,
399 	MR_EVT_ARGS_RATE,
400 	MR_EVT_ARGS_STR,
401 	MR_EVT_ARGS_TIME,
402 	MR_EVT_ARGS_ECC
403 } mfi_evt_args;
404 
405 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED	0x0152
406 #define MR_EVT_PD_REMOVED			0x0070
407 #define MR_EVT_PD_INSERTED			0x005b
408 
409 typedef enum {
410 	MR_LD_CACHE_WRITE_BACK =	0x01,
411 	MR_LD_CACHE_WRITE_ADAPTIVE =	0x02,
412 	MR_LD_CACHE_READ_AHEAD =	0x04,
413 	MR_LD_CACHE_READ_ADAPTIVE =	0x08,
414 	MR_LD_CACHE_WRITE_CACHE_BAD_BBU=0x10,
415 	MR_LD_CACHE_ALLOW_WRITE_CACHE =	0x20,
416 	MR_LD_CACHE_ALLOW_READ_CACHE =	0x40
417 } mfi_ld_cache;
418 #define	MR_LD_CACHE_MASK	0x7f
419 
420 #define	MR_LD_CACHE_POLICY_READ_AHEAD_NONE		0
421 #define	MR_LD_CACHE_POLICY_READ_AHEAD_ALWAYS		MR_LD_CACHE_READ_AHEAD
422 #define	MR_LD_CACHE_POLICY_READ_AHEAD_ADAPTIVE		\
423 	(MR_LD_CACHE_READ_AHEAD | MR_LD_CACHE_READ_ADAPTIVE)
424 #define	MR_LD_CACHE_POLICY_WRITE_THROUGH		0
425 #define	MR_LD_CACHE_POLICY_WRITE_BACK			MR_LD_CACHE_WRITE_BACK
426 #define	MR_LD_CACHE_POLICY_IO_CACHED			\
427 	(MR_LD_CACHE_ALLOW_WRITE_CACHE | MR_LD_CACHE_ALLOW_READ_CACHE)
428 #define	MR_LD_CACHE_POLICY_IO_DIRECT			0
429 
430 typedef enum {
431 	MR_PD_CACHE_UNCHANGED  =	0,
432 	MR_PD_CACHE_ENABLE =		1,
433 	MR_PD_CACHE_DISABLE =		2
434 } mfi_pd_cache;
435 
436 typedef enum {
437 	MR_PD_QUERY_TYPE_ALL =		0,
438 	MR_PD_QUERY_TYPE_STATE =	1,
439 	MR_PD_QUERY_TYPE_POWER_STATE =	2,
440 	MR_PD_QUERY_TYPE_MEDIA_TYPE =	3,
441 	MR_PD_QUERY_TYPE_SPEED =	4,
442 	MR_PD_QUERY_TYPE_EXPOSED_TO_HOST = 5 /*query for system drives */
443 } mfi_pd_query_type;
444 
445 /*
446  * Other propertities and definitions
447  */
448 #define MFI_MAX_PD_CHANNELS	2
449 #define MFI_MAX_LD_CHANNELS	2
450 #define MFI_MAX_CHANNELS	(MFI_MAX_PD_CHANNELS + MFI_MAX_LD_CHANNELS)
451 #define MFI_MAX_CHANNEL_DEVS	128
452 #define MFI_DEFAULT_ID		-1
453 #define MFI_MAX_LUN		8
454 #define MFI_MAX_LD		64
455 #define	MFI_MAX_PD		256
456 
457 #define MFI_FRAME_SIZE		64
458 #define MFI_MBOX_SIZE		12
459 
460 /* Firmware flashing can take 40s */
461 #define MFI_POLL_TIMEOUT_SECS	50
462 
463 /* Allow for speedier math calculations */
464 #define MFI_SECTOR_LEN		512
465 
466 /* Scatter Gather elements */
467 struct mfi_sg32 {
468 	uint32_t	addr;
469 	uint32_t	len;
470 } __packed;
471 
472 struct mfi_sg64 {
473 	uint64_t	addr;
474 	uint32_t	len;
475 } __packed;
476 
477 struct mfi_sg_skinny {
478 	uint64_t	addr;
479 	uint32_t	len;
480 	uint32_t	flag;
481 } __packed;
482 
483 union mfi_sgl {
484 	struct mfi_sg32		sg32[1];
485 	struct mfi_sg64		sg64[1];
486 	struct mfi_sg_skinny	sg_skinny[1];
487 } __packed;
488 
489 /* Message frames.  All messages have a common header */
490 struct mfi_frame_header {
491 	uint8_t		cmd;
492 	uint8_t		sense_len;
493 	uint8_t		cmd_status;
494 	uint8_t		scsi_status;
495 	uint8_t		target_id;
496 	uint8_t		lun_id;
497 	uint8_t		cdb_len;
498 	uint8_t		sg_count;
499 	uint32_t	context;
500 	/*
501 	 * pad0 is MSI Specific. Not used by Driver. Zero the value before
502 	 * sending the command to f/w.
503 	 */
504 	uint32_t	pad0;
505 	uint16_t	flags;
506 #define MFI_FRAME_DATAOUT	0x08
507 #define MFI_FRAME_DATAIN	0x10
508 	uint16_t	timeout;
509 	uint32_t	data_len;
510 } __packed;
511 
512 struct mfi_init_frame {
513 	struct mfi_frame_header	header;
514 	uint32_t	qinfo_new_addr_lo;
515 	uint32_t	qinfo_new_addr_hi;
516 	uint32_t	qinfo_old_addr_lo;
517 	uint32_t	qinfo_old_addr_hi;
518 	// Start LSIP200113393
519 	uint32_t	driver_ver_lo;      /*28h */
520 	uint32_t	driver_ver_hi;      /*2Ch */
521 
522 	uint32_t	reserved[4];
523 	// End LSIP200113393
524 } __packed;
525 
526 /*
527  * Define MFI Address Context union.
528  */
529 #ifdef MFI_ADDRESS_IS_uint64_t
530     typedef uint64_t     MFI_ADDRESS;
531 #else
532     typedef union _MFI_ADDRESS {
533         struct {
534             uint32_t     addressLow;
535             uint32_t     addressHigh;
536         } u;
537         uint64_t     address;
538     } MFI_ADDRESS, *PMFI_ADDRESS;
539 #endif
540 
541 #define MFI_IO_FRAME_SIZE 40
542 struct mfi_io_frame {
543 	struct mfi_frame_header	header;
544 	uint32_t	sense_addr_lo;
545 	uint32_t	sense_addr_hi;
546 	uint32_t	lba_lo;
547 	uint32_t	lba_hi;
548 	union mfi_sgl	sgl;
549 } __packed;
550 
551 #define MFI_PASS_FRAME_SIZE 48
552 struct mfi_pass_frame {
553 	struct mfi_frame_header header;
554 	uint32_t	sense_addr_lo;
555 	uint32_t	sense_addr_hi;
556 	uint8_t		cdb[16];
557 	union mfi_sgl	sgl;
558 } __packed;
559 
560 #define MFI_DCMD_FRAME_SIZE 40
561 struct mfi_dcmd_frame {
562 	struct mfi_frame_header header;
563 	uint32_t	opcode;
564 	uint8_t		mbox[MFI_MBOX_SIZE];
565 	union mfi_sgl	sgl;
566 } __packed;
567 
568 struct mfi_abort_frame {
569 	struct mfi_frame_header header;
570 	uint32_t	abort_context;
571 	/* pad is changed to reserved.*/
572 	uint32_t	reserved0;
573 	uint32_t	abort_mfi_addr_lo;
574 	uint32_t	abort_mfi_addr_hi;
575 	uint32_t	reserved1[6];
576 } __packed;
577 
578 struct mfi_smp_frame {
579 	struct mfi_frame_header header;
580 	uint64_t	sas_addr;
581 	union {
582 		struct mfi_sg32 sg32[2];
583 		struct mfi_sg64 sg64[2];
584 	} sgl;
585 } __packed;
586 
587 struct mfi_stp_frame {
588 	struct mfi_frame_header header;
589 	uint16_t	fis[10];
590 	uint32_t	stp_flags;
591 	union {
592 		struct mfi_sg32 sg32[2];
593 		struct mfi_sg64 sg64[2];
594 	} sgl;
595 } __packed;
596 
597 union mfi_frame {
598 	struct mfi_frame_header header;
599 	struct mfi_init_frame	init;
600 	/* ThunderBolt Initialization */
601 	struct mfi_io_frame	io;
602 	struct mfi_pass_frame	pass;
603 	struct mfi_dcmd_frame	dcmd;
604 	struct mfi_abort_frame	abort;
605 	struct mfi_smp_frame	smp;
606 	struct mfi_stp_frame	stp;
607 	uint8_t			bytes[MFI_FRAME_SIZE];
608 };
609 
610 #define MFI_SENSE_LEN 128
611 struct mfi_sense {
612 	uint8_t		data[MFI_SENSE_LEN];
613 };
614 
615 /* The queue init structure that is passed with the init message */
616 struct mfi_init_qinfo {
617 	uint32_t	flags;
618 	uint32_t	rq_entries;
619 	uint32_t	rq_addr_lo;
620 	uint32_t	rq_addr_hi;
621 	uint32_t	pi_addr_lo;
622 	uint32_t	pi_addr_hi;
623 	uint32_t	ci_addr_lo;
624 	uint32_t	ci_addr_hi;
625 } __packed;
626 
627 /* SAS (?) controller properties, part of mfi_ctrl_info */
628 struct mfi_ctrl_props {
629 	uint16_t	seq_num;
630 	uint16_t	pred_fail_poll_interval;
631 	uint16_t	intr_throttle_cnt;
632 	uint16_t	intr_throttle_timeout;
633 	uint8_t		rebuild_rate;
634 	uint8_t		patrol_read_rate;
635 	uint8_t		bgi_rate;
636 	uint8_t		cc_rate;
637 	uint8_t		recon_rate;
638 	uint8_t		cache_flush_interval;
639 	uint8_t		spinup_drv_cnt;
640 	uint8_t		spinup_delay;
641 	uint8_t		cluster_enable;
642 	uint8_t		coercion_mode;
643 	uint8_t		alarm_enable;
644 	uint8_t		disable_auto_rebuild;
645 	uint8_t		disable_battery_warn;
646 	uint8_t		ecc_bucket_size;
647 	uint16_t	ecc_bucket_leak_rate;
648 	uint8_t		restore_hotspare_on_insertion;
649 	uint8_t		expose_encl_devices;
650 	uint8_t		maintainPdFailHistory;
651 	uint8_t		disallowHostRequestReordering;
652 	/* set TRUE to abort CC on detecting an inconsistency */
653 	uint8_t		abortCCOnError;
654 	/* load balance mode (MR_LOAD_BALANCE_MODE) */
655 	uint8_t		loadBalanceMode;
656 	/*
657 	 * 0 - use auto detect logic of backplanes like SGPIO, i2c SEP using
658 	 *     h/w mechansim like GPIO pins
659 	 * 1 - disable auto detect SGPIO,
660 	 * 2 - disable i2c SEP auto detect
661 	 * 3 - disable both auto detect
662 	 */
663 	uint8_t		disableAutoDetectBackplane;
664 	/*
665 	 * % of source LD to be reserved for a VDs snapshot in snapshot
666 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on
667 	 */
668 	uint8_t		snapVDSpace;
669 
670 	/*
671 	 * Add properties that can be controlled by a bit in the following
672 	 * structure.
673 	 */
674 	struct {
675 		/* set TRUE to disable copyBack (0=copback enabled) */
676 		uint32_t	copyBackDisabled		:1;
677 		uint32_t	SMARTerEnabled			:1;
678 		uint32_t	prCorrectUnconfiguredAreas	:1;
679 		uint32_t	useFdeOnly			:1;
680 		uint32_t	disableNCQ			:1;
681 		uint32_t	SSDSMARTerEnabled		:1;
682 		uint32_t	SSDPatrolReadEnabled		:1;
683 		uint32_t	enableSpinDownUnconfigured	:1;
684 		uint32_t	autoEnhancedImport		:1;
685 		uint32_t	enableSecretKeyControl		:1;
686 		uint32_t	disableOnlineCtrlReset		:1;
687 		uint32_t	allowBootWithPinnedCache	:1;
688 		uint32_t	disableSpinDownHS		:1;
689 		uint32_t	enableJBOD			:1;
690 		uint32_t	reserved			:18;
691 	} OnOffProperties;
692 	/*
693 	 * % of source LD to be reserved for auto snapshot in snapshot
694 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on.
695 	 */
696 	uint8_t		autoSnapVDSpace;
697 	/*
698 	 * Snapshot writeable VIEWs capacity as a % of source LD capacity:
699 	 * 0=READ only, 1=5%, 2=10%, 3=15% and so on.
700 	 */
701 	uint8_t		viewSpace;
702 	/* # of idle minutes before device is spun down (0=use FW defaults) */
703 	uint16_t	spinDownTime;
704 	uint8_t		reserved[24];
705 } __packed;
706 
707 /* PCI information about the card. */
708 struct mfi_info_pci {
709 	uint16_t	vendor;
710 	uint16_t	device;
711 	uint16_t	subvendor;
712 	uint16_t	subdevice;
713 	uint8_t		reserved[24];
714 } __packed;
715 
716 /* Host (front end) interface information */
717 struct mfi_info_host {
718 	uint8_t		type;
719 #define MFI_INFO_HOST_PCIX	0x01
720 #define MFI_INFO_HOST_PCIE	0x02
721 #define MFI_INFO_HOST_ISCSI	0x04
722 #define MFI_INFO_HOST_SAS3G	0x08
723 	uint8_t		reserved[6];
724 	uint8_t		port_count;
725 	uint64_t	port_addr[8];
726 } __packed;
727 
728 /* Device (back end) interface information */
729 struct mfi_info_device {
730 	uint8_t		type;
731 #define MFI_INFO_DEV_SPI	0x01
732 #define MFI_INFO_DEV_SAS3G	0x02
733 #define MFI_INFO_DEV_SATA1	0x04
734 #define MFI_INFO_DEV_SATA3G	0x08
735 	uint8_t		reserved[6];
736 	uint8_t		port_count;
737 	uint64_t	port_addr[8];
738 } __packed;
739 
740 /* Firmware component information */
741 struct mfi_info_component {
742 	char		 name[8];
743 	char		 version[32];
744 	char		 build_date[16];
745 	char		 build_time[16];
746 } __packed;
747 
748 /* Controller default settings */
749 struct mfi_defaults {
750 	uint64_t	sas_addr;
751 	uint8_t		phy_polarity;
752 	uint8_t		background_rate;
753 	uint8_t		stripe_size;
754 	uint8_t		flush_time;
755 	uint8_t		write_back;
756 	uint8_t		read_ahead;
757 	uint8_t		cache_when_bbu_bad;
758 	uint8_t		cached_io;
759 	uint8_t		smart_mode;
760 	uint8_t		alarm_disable;
761 	uint8_t		coercion;
762 	uint8_t		zrc_config;
763 	uint8_t		dirty_led_shows_drive_activity;
764 	uint8_t		bios_continue_on_error;
765 	uint8_t		spindown_mode;
766 	uint8_t		allowed_device_types;
767 	uint8_t		allow_mix_in_enclosure;
768 	uint8_t		allow_mix_in_ld;
769 	uint8_t		allow_sata_in_cluster;
770 	uint8_t		max_chained_enclosures;
771 	uint8_t		disable_ctrl_r;
772 	uint8_t		enabel_web_bios;
773 	uint8_t		phy_polarity_split;
774 	uint8_t		direct_pd_mapping;
775 	uint8_t		bios_enumerate_lds;
776 	uint8_t		restored_hot_spare_on_insertion;
777 	uint8_t		expose_enclosure_devices;
778 	uint8_t		maintain_pd_fail_history;
779 	uint8_t		resv[28];
780 } __packed;
781 
782 /* Controller default settings */
783 struct mfi_bios_data {
784 	uint16_t	boot_target_id;
785 	uint8_t		do_not_int_13;
786 	uint8_t		continue_on_error;
787 	uint8_t		verbose;
788 	uint8_t		geometry;
789 	uint8_t		expose_all_drives;
790 	uint8_t		reserved[56];
791 	uint8_t		check_sum;
792 } __packed;
793 
794 /* SAS (?) controller info, returned from MFI_DCMD_CTRL_GETINFO. */
795 struct mfi_ctrl_info {
796 	struct mfi_info_pci	pci;
797 	struct mfi_info_host	host;
798 	struct mfi_info_device	device;
799 
800 	/* Firmware components that are present and active. */
801 	uint32_t		image_check_word;
802 	uint32_t		image_component_count;
803 	struct mfi_info_component image_component[8];
804 
805 	/* Firmware components that have been flashed but are inactive */
806 	uint32_t		pending_image_component_count;
807 	struct mfi_info_component pending_image_component[8];
808 
809 	uint8_t			max_arms;
810 	uint8_t			max_spans;
811 	uint8_t			max_arrays;
812 	uint8_t			max_lds;
813 	char			product_name[80];
814 	char			serial_number[32];
815 	uint32_t		hw_present;
816 #define MFI_INFO_HW_BBU		0x01
817 #define MFI_INFO_HW_ALARM	0x02
818 #define MFI_INFO_HW_NVRAM	0x04
819 #define MFI_INFO_HW_UART	0x08
820 	uint32_t		current_fw_time;
821 	uint16_t		max_cmds;
822 	uint16_t		max_sg_elements;
823 	uint32_t		max_request_size;
824 	uint16_t		lds_present;
825 	uint16_t		lds_degraded;
826 	uint16_t		lds_offline;
827 	uint16_t		pd_present;
828 	uint16_t		pd_disks_present;
829 	uint16_t		pd_disks_pred_failure;
830 	uint16_t		pd_disks_failed;
831 	uint16_t		nvram_size;
832 	uint16_t		memory_size;
833 	uint16_t		flash_size;
834 	uint16_t		ram_correctable_errors;
835 	uint16_t		ram_uncorrectable_errors;
836 	uint8_t			cluster_allowed;
837 	uint8_t			cluster_active;
838 	uint16_t		max_strips_per_io;
839 
840 	uint32_t		raid_levels;
841 #define MFI_INFO_RAID_0		0x01
842 #define MFI_INFO_RAID_1		0x02
843 #define MFI_INFO_RAID_5		0x04
844 #define MFI_INFO_RAID_1E	0x08
845 #define MFI_INFO_RAID_6		0x10
846 
847 	uint32_t		adapter_ops;
848 #define MFI_INFO_AOPS_RBLD_RATE		0x0001
849 #define MFI_INFO_AOPS_CC_RATE		0x0002
850 #define MFI_INFO_AOPS_BGI_RATE		0x0004
851 #define MFI_INFO_AOPS_RECON_RATE	0x0008
852 #define MFI_INFO_AOPS_PATROL_RATE	0x0010
853 #define MFI_INFO_AOPS_ALARM_CONTROL	0x0020
854 #define MFI_INFO_AOPS_CLUSTER_SUPPORTED	0x0040
855 #define MFI_INFO_AOPS_BBU		0x0080
856 #define MFI_INFO_AOPS_SPANNING_ALLOWED	0x0100
857 #define MFI_INFO_AOPS_DEDICATED_SPARES	0x0200
858 #define MFI_INFO_AOPS_REVERTIBLE_SPARES	0x0400
859 #define MFI_INFO_AOPS_FOREIGN_IMPORT	0x0800
860 #define MFI_INFO_AOPS_SELF_DIAGNOSTIC	0x1000
861 #define MFI_INFO_AOPS_MIXED_ARRAY	0x2000
862 #define MFI_INFO_AOPS_GLOBAL_SPARES	0x4000
863 
864 	uint32_t		ld_ops;
865 #define MFI_INFO_LDOPS_READ_POLICY	0x01
866 #define MFI_INFO_LDOPS_WRITE_POLICY	0x02
867 #define MFI_INFO_LDOPS_IO_POLICY	0x04
868 #define MFI_INFO_LDOPS_ACCESS_POLICY	0x08
869 #define MFI_INFO_LDOPS_DISK_CACHE_POLICY 0x10
870 
871 	struct {
872 		uint8_t		min;
873 		uint8_t		max;
874 		uint8_t		reserved[2];
875 	} __packed stripe_sz_ops;
876 
877 	uint32_t		pd_ops;
878 #define MFI_INFO_PDOPS_FORCE_ONLINE	0x01
879 #define MFI_INFO_PDOPS_FORCE_OFFLINE	0x02
880 #define MFI_INFO_PDOPS_FORCE_REBUILD	0x04
881 
882 	uint32_t		pd_mix_support;
883 #define MFI_INFO_PDMIX_SAS		0x01
884 #define MFI_INFO_PDMIX_SATA		0x02
885 #define MFI_INFO_PDMIX_ENCL		0x04
886 #define MFI_INFO_PDMIX_LD		0x08
887 #define MFI_INFO_PDMIX_SATA_CLUSTER	0x10
888 
889 	uint8_t			ecc_bucket_count;
890 	uint8_t			reserved2[11];
891 	struct mfi_ctrl_props	properties;
892 	char			package_version[0x60];
893 	uint8_t			pad[0x800 - 0x6a0];
894 } __packed;
895 
896 /* keep track of an event. */
897 union mfi_evt {
898 	struct {
899 		uint16_t	locale;
900 		uint8_t		reserved;
901 		int8_t		evt_class;
902 	} members;
903 	uint32_t		word;
904 } __packed;
905 
906 /* event log state. */
907 struct mfi_evt_log_state {
908 	uint32_t		newest_seq_num;
909 	uint32_t		oldest_seq_num;
910 	uint32_t		clear_seq_num;
911 	uint32_t		shutdown_seq_num;
912 	uint32_t		boot_seq_num;
913 } __packed;
914 
915 struct mfi_progress {
916 	uint16_t		progress;
917 	uint16_t		elapsed_seconds;
918 } __packed;
919 
920 struct mfi_evt_ld {
921 	uint16_t		target_id;
922 	uint8_t			ld_index;
923 	uint8_t			reserved;
924 } __packed;
925 
926 struct mfi_evt_pd {
927 	uint16_t		device_id;
928 	uint8_t			enclosure_index;
929 	uint8_t			slot_number;
930 } __packed;
931 
932 /* SAS (?) event detail, returned from MFI_DCMD_CTRL_EVENT_WAIT. */
933 struct mfi_evt_detail {
934 	uint32_t		seq;
935 	uint32_t		time;
936 	uint32_t		code;
937 	union mfi_evt		evt_class;
938 	uint8_t			arg_type;
939 	uint8_t			reserved1[15];
940 
941 	union {
942 		struct {
943 			struct mfi_evt_pd	pd;
944 			uint8_t			cdb_len;
945 			uint8_t			sense_len;
946 			uint8_t			reserved[2];
947 			uint8_t			cdb[16];
948 			uint8_t			sense[64];
949 		} cdb_sense;
950 
951 		struct mfi_evt_ld		ld;
952 
953 		struct {
954 			struct mfi_evt_ld	ld;
955 			uint64_t		count;
956 		} ld_count;
957 
958 		struct {
959 			uint64_t		lba;
960 			struct mfi_evt_ld	ld;
961 		} ld_lba;
962 
963 		struct {
964 			struct mfi_evt_ld	ld;
965 			uint32_t		pre_owner;
966 			uint32_t		new_owner;
967 		} ld_owner;
968 
969 		struct {
970 			uint64_t		ld_lba;
971 			uint64_t		pd_lba;
972 			struct mfi_evt_ld	ld;
973 			struct mfi_evt_pd	pd;
974 		} ld_lba_pd_lba;
975 
976 		struct {
977 			struct mfi_evt_ld	ld;
978 			struct mfi_progress	prog;
979 		} ld_prog;
980 
981 		struct {
982 			struct mfi_evt_ld	ld;
983 			uint32_t		prev_state;
984 			uint32_t		new_state;
985 		} ld_state;
986 
987 		struct {
988 			uint64_t		strip;
989 			struct mfi_evt_ld	ld;
990 		} ld_strip;
991 
992 		struct mfi_evt_pd		pd;
993 
994 		struct {
995 			struct mfi_evt_pd	pd;
996 			uint32_t		err;
997 		} pd_err;
998 
999 		struct {
1000 			uint64_t		lba;
1001 			struct mfi_evt_pd	pd;
1002 		} pd_lba;
1003 
1004 		struct {
1005 			uint64_t		lba;
1006 			struct mfi_evt_pd	pd;
1007 			struct mfi_evt_ld	ld;
1008 		} pd_lba_ld;
1009 
1010 		struct {
1011 			struct mfi_evt_pd	pd;
1012 			struct mfi_progress	prog;
1013 		} pd_prog;
1014 
1015 		struct {
1016 			struct mfi_evt_pd	ld;
1017 			uint32_t		prev_state;
1018 			uint32_t		new_state;
1019 		} pd_state;
1020 
1021 		struct {
1022 			uint16_t		venderId;
1023 			uint16_t		deviceId;
1024 			uint16_t		subVenderId;
1025 			uint16_t		subDeviceId;
1026 		} pci;
1027 
1028 		uint32_t			rate;
1029 
1030 		char				str[96];
1031 
1032 		struct {
1033 			uint32_t		rtc;
1034 			uint16_t		elapsedSeconds;
1035 		} time;
1036 
1037 		struct {
1038 			uint32_t		ecar;
1039 			uint32_t		elog;
1040 			char			str[64];
1041 		} ecc;
1042 
1043 		uint8_t		b[96];
1044 		uint16_t	s[48];
1045 		uint32_t	w[24];
1046 		uint64_t	d[12];
1047 	} args;
1048 
1049 	char description[128];
1050 } __packed;
1051 
1052 struct mfi_evt_list {
1053 	uint32_t		count;
1054 	uint32_t		reserved;
1055 	struct mfi_evt_detail	event[1];
1056 } __packed;
1057 
1058 union mfi_pd_ref {
1059 	struct {
1060 		uint16_t	device_id;
1061 		uint16_t	seq_num;
1062 	} v;
1063 	uint32_t	ref;
1064 } __packed;
1065 
1066 union mfi_pd_ddf_type {
1067 	struct {
1068 		union {
1069 			struct {
1070 				uint16_t	forced_pd_guid	: 1;
1071 				uint16_t	in_vd		: 1;
1072 				uint16_t	is_global_spare	: 1;
1073 				uint16_t	is_spare	: 1;
1074 				uint16_t	is_foreign	: 1;
1075 				uint16_t	reserved	: 7;
1076 				uint16_t	intf		: 4;
1077 			} pd_type;
1078 			uint16_t	type;
1079 		} v;
1080 		uint16_t		reserved;
1081 	} ddf;
1082 	struct {
1083 		uint32_t		reserved;
1084 	} non_disk;
1085 	uint32_t			type;
1086 } __packed;
1087 
1088 struct mfi_pd_progress {
1089 	uint32_t			active;
1090 #define	MFI_PD_PROGRESS_REBUILD	(1<<0)
1091 #define	MFI_PD_PROGRESS_PATROL	(1<<1)
1092 #define	MFI_PD_PROGRESS_CLEAR	(1<<2)
1093 	struct mfi_progress		rbld;
1094 	struct mfi_progress		patrol;
1095 	struct mfi_progress		clear;
1096 	struct mfi_progress		reserved[4];
1097 } __packed;
1098 
1099 struct mfi_pd_info {
1100 	union mfi_pd_ref		ref;
1101 	uint8_t				inquiry_data[96];
1102 	uint8_t				vpd_page83[64];
1103 	uint8_t				not_supported;
1104 	uint8_t				scsi_dev_type;
1105 	uint8_t				connected_port_bitmap;
1106 	uint8_t				device_speed;
1107 	uint32_t			media_err_count;
1108 	uint32_t			other_err_count;
1109 	uint32_t			pred_fail_count;
1110 	uint32_t			last_pred_fail_event_seq_num;
1111 	uint16_t			fw_state;	/* MFI_PD_STATE_* */
1112 	uint8_t				disabled_for_removal;
1113 	uint8_t				link_speed;
1114 	union mfi_pd_ddf_type		state;
1115 	struct {
1116 		uint8_t			count;
1117 		uint8_t			is_path_broken;
1118 		uint8_t			reserved[6];
1119 		uint64_t		sas_addr[4];
1120 	} path_info;
1121 	uint64_t			raw_size;
1122 	uint64_t			non_coerced_size;
1123 	uint64_t			coerced_size;
1124 	uint16_t			encl_device_id;
1125 	uint8_t				encl_index;
1126 	uint8_t				slot_number;
1127 	struct mfi_pd_progress		prog_info;
1128 	uint8_t				bad_block_table_full;
1129 	uint8_t				unusable_in_current_config;
1130 	uint8_t				vpd_page83_ext[64];
1131 	uint8_t				reserved[512-358];
1132 } __packed;
1133 
1134 struct mfi_pd_address {
1135 	uint16_t		device_id;
1136 	uint16_t		encl_device_id;
1137 	uint8_t			encl_index;
1138 	uint8_t			slot_number;
1139 	uint8_t			scsi_dev_type;	/* 0 = disk */
1140 	uint8_t			connect_port_bitmap;
1141 	uint64_t		sas_addr[2];
1142 } __packed;
1143 
1144 #define MAX_SYS_PDS 240
1145 struct mfi_pd_list {
1146 	uint32_t		size;
1147 	uint32_t		count;
1148 	struct mfi_pd_address	addr[MAX_SYS_PDS];
1149 } __packed;
1150 
1151 enum mfi_pd_state {
1152 	MFI_PD_STATE_UNCONFIGURED_GOOD = 0x00,
1153 	MFI_PD_STATE_UNCONFIGURED_BAD = 0x01,
1154 	MFI_PD_STATE_HOT_SPARE = 0x02,
1155 	MFI_PD_STATE_OFFLINE = 0x10,
1156 	MFI_PD_STATE_FAILED = 0x11,
1157 	MFI_PD_STATE_REBUILD = 0x14,
1158 	MFI_PD_STATE_ONLINE = 0x18,
1159 	MFI_PD_STATE_COPYBACK = 0x20,
1160 	MFI_PD_STATE_SYSTEM = 0x40
1161 };
1162 
1163 union mfi_ld_ref {
1164 	struct {
1165 		uint8_t		target_id;
1166 		uint8_t		reserved;
1167 		uint16_t	seq;
1168 	} v;
1169 	uint32_t		ref;
1170 } __packed;
1171 
1172 struct mfi_ld_list {
1173 	uint32_t		ld_count;
1174 	uint32_t		reserved1;
1175 	struct {
1176 		union mfi_ld_ref	ld;
1177 		uint8_t		state;
1178 		uint8_t		reserved2[3];
1179 		uint64_t	size;
1180 	} ld_list[MFI_MAX_LD];
1181 } __packed;
1182 
1183 enum mfi_ld_access {
1184 	MFI_LD_ACCESS_RW =	0,
1185 	MFI_LD_ACCSSS_RO = 	2,
1186 	MFI_LD_ACCESS_BLOCKED =	3,
1187 };
1188 #define MFI_LD_ACCESS_MASK	3
1189 
1190 enum mfi_ld_state {
1191 	MFI_LD_STATE_OFFLINE =			0,
1192 	MFI_LD_STATE_PARTIALLY_DEGRADED =	1,
1193 	MFI_LD_STATE_DEGRADED =			2,
1194 	MFI_LD_STATE_OPTIMAL =			3
1195 };
1196 
1197 struct mfi_ld_props {
1198 	union mfi_ld_ref	ld;
1199 	char			name[16];
1200 	uint8_t			default_cache_policy;
1201 	uint8_t			access_policy;
1202 	uint8_t			disk_cache_policy;
1203 	uint8_t			current_cache_policy;
1204 	uint8_t			no_bgi;
1205 	uint8_t			reserved[7];
1206 } __packed;
1207 
1208 struct mfi_ld_params {
1209 	uint8_t			primary_raid_level;
1210 	uint8_t			raid_level_qualifier;
1211 	uint8_t			secondary_raid_level;
1212 	uint8_t			stripe_size;
1213 	uint8_t			num_drives;
1214 	uint8_t			span_depth;
1215 	uint8_t			state;
1216 	uint8_t			init_state;
1217 #define	MFI_LD_PARAMS_INIT_NO		0
1218 #define	MFI_LD_PARAMS_INIT_QUICK	1
1219 #define	MFI_LD_PARAMS_INIT_FULL		2
1220 	uint8_t			is_consistent;
1221 	uint8_t			reserved1[6];
1222 	uint8_t			isSSCD;
1223 	uint8_t			reserved2[16];
1224 } __packed;
1225 
1226 struct mfi_ld_progress {
1227 	uint32_t		active;
1228 #define	MFI_LD_PROGRESS_CC	(1<<0)
1229 #define	MFI_LD_PROGRESS_BGI	(1<<1)
1230 #define	MFI_LD_PROGRESS_FGI	(1<<2)
1231 #define	MFI_LD_PROGRESS_RECON	(1<<3)
1232 	struct mfi_progress	cc;
1233 	struct mfi_progress	bgi;
1234 	struct mfi_progress	fgi;
1235 	struct mfi_progress	recon;
1236 	struct mfi_progress	reserved[4];
1237 } __packed;
1238 
1239 struct mfi_span {
1240 	uint64_t		start_block;
1241 	uint64_t		num_blocks;
1242 	uint16_t		array_ref;
1243 	uint8_t			reserved[6];
1244 } __packed;
1245 
1246 #define	MFI_MAX_SPAN_DEPTH	8
1247 struct mfi_ld_config {
1248 	struct mfi_ld_props	properties;
1249 	struct mfi_ld_params	params;
1250 	struct mfi_span		span[MFI_MAX_SPAN_DEPTH];
1251 } __packed;
1252 
1253 struct mfi_ld_info {
1254 	struct mfi_ld_config	ld_config;
1255 	uint64_t		size;
1256 	struct mfi_ld_progress	progress;
1257 	uint16_t		cluster_owner;
1258 	uint8_t			reconstruct_active;
1259 	uint8_t			reserved1[1];
1260 	uint8_t			vpd_page83[64];
1261 	uint8_t			reserved2[16];
1262 } __packed;
1263 
1264 #define MAX_ARRAYS 128
1265 struct mfi_spare {
1266 	union mfi_pd_ref	ref;
1267 	uint8_t			spare_type;
1268 #define	MFI_SPARE_DEDICATED	(1 << 0)
1269 #define	MFI_SPARE_REVERTIBLE	(1 << 1)
1270 #define	MFI_SPARE_ENCL_AFFINITY	(1 << 2)
1271 	uint8_t			reserved[2];
1272 	uint8_t			array_count;
1273 	uint16_t		array_ref[MAX_ARRAYS];
1274 } __packed;
1275 
1276 struct mfi_array {
1277 	uint64_t			size;
1278 	uint8_t				num_drives;
1279 	uint8_t				reserved;
1280 	uint16_t			array_ref;
1281 	uint8_t				pad[20];
1282 	struct {
1283 		union mfi_pd_ref	ref;	/* 0xffff == missing drive */
1284 		uint16_t		fw_state;	/* MFI_PD_STATE_* */
1285 		struct {
1286 			uint8_t		pd;
1287 			uint8_t		slot;
1288 		} encl;
1289 	} pd[0];
1290 } __packed;
1291 
1292 struct mfi_config_data {
1293 	uint32_t		size;
1294 	uint16_t		array_count;
1295 	uint16_t		array_size;
1296 	uint16_t		log_drv_count;
1297 	uint16_t		log_drv_size;
1298 	uint16_t		spares_count;
1299 	uint16_t		spares_size;
1300 	uint8_t			reserved[16];
1301 	struct mfi_array	array[0];
1302 	struct mfi_ld_config	ld[0];
1303 	struct mfi_spare	spare[0];
1304 } __packed;
1305 
1306 struct mfi_bbu_capacity_info {
1307 	uint16_t		relative_charge;
1308 	uint16_t		absolute_charge;
1309 	uint16_t		remaining_capacity;
1310 	uint16_t		full_charge_capacity;
1311 	uint16_t		run_time_to_empty;
1312 	uint16_t		average_time_to_empty;
1313 	uint16_t		average_time_to_full;
1314 	uint16_t		cycle_count;
1315 	uint16_t		max_error;
1316 	uint16_t		remaining_capacity_alarm;
1317 	uint16_t		remaining_time_alarm;
1318 	uint8_t			reserved[26];
1319 } __packed;
1320 
1321 struct mfi_bbu_design_info {
1322 	uint32_t		mfg_date;
1323 	uint16_t		design_capacity;
1324 	uint16_t		design_voltage;
1325 	uint16_t		spec_info;
1326 	uint16_t		serial_number;
1327 	uint16_t		pack_stat_config;
1328 	uint8_t			mfg_name[12];
1329 	uint8_t			device_name[8];
1330 	uint8_t			device_chemistry[8];
1331 	uint8_t			mfg_data[8];
1332 	uint8_t			reserved[17];
1333 } __packed;
1334 
1335 struct mfi_ibbu_state {
1336 	uint16_t		gas_guage_status;
1337 	uint16_t		relative_charge;
1338 	uint16_t		charger_system_state;
1339 	uint16_t		charger_system_ctrl;
1340 	uint16_t		charging_current;
1341 	uint16_t		absolute_charge;
1342 	uint16_t		max_error;
1343 	uint8_t			reserved[18];
1344 } __packed;
1345 
1346 struct mfi_bbu_state {
1347 	uint16_t		gas_guage_status;
1348 	uint16_t		relative_charge;
1349 	uint16_t		charger_status;
1350 	uint16_t		remaining_capacity;
1351 	uint16_t		full_charge_capacity;
1352 	uint8_t			is_SOH_good;
1353 	uint8_t			reserved[21];
1354 } __packed;
1355 
1356 union mfi_bbu_status_detail {
1357 	struct mfi_ibbu_state	ibbu;
1358 	struct mfi_bbu_state	bbu;
1359 };
1360 
1361 struct mfi_bbu_status {
1362 	uint8_t			battery_type;
1363 #define	MFI_BBU_TYPE_NONE	0
1364 #define	MFI_BBU_TYPE_IBBU	1
1365 #define	MFI_BBU_TYPE_BBU	2
1366 	uint8_t			reserved;
1367 	uint16_t		voltage;
1368 	int16_t			current;
1369 	uint16_t		temperature;
1370 	uint32_t		fw_status;
1371 #define	MFI_BBU_STATE_PACK_MISSING	(1 << 0)
1372 #define	MFI_BBU_STATE_VOLTAGE_LOW	(1 << 1)
1373 #define	MFI_BBU_STATE_TEMPERATURE_HIGH	(1 << 2)
1374 #define	MFI_BBU_STATE_CHARGE_ACTIVE	(1 << 0)
1375 #define	MFI_BBU_STATE_DISCHARGE_ACTIVE	(1 << 0)
1376 	uint8_t			pad[20];
1377 	union mfi_bbu_status_detail detail;
1378 } __packed;
1379 
1380 enum mfi_pr_state {
1381 	MFI_PR_STATE_STOPPED = 0,
1382 	MFI_PR_STATE_READY = 1,
1383 	MFI_PR_STATE_ACTIVE = 2,
1384 	MFI_PR_STATE_ABORTED = 0xff
1385 };
1386 
1387 struct mfi_pr_status {
1388 	uint32_t		num_iteration;
1389 	uint8_t			state;
1390 	uint8_t			num_pd_done;
1391 	uint8_t			reserved[10];
1392 };
1393 
1394 enum mfi_pr_opmode {
1395 	MFI_PR_OPMODE_AUTO = 0,
1396 	MFI_PR_OPMODE_MANUAL = 1,
1397 	MFI_PR_OPMODE_DISABLED = 2
1398 };
1399 
1400 struct mfi_pr_properties {
1401 	uint8_t			op_mode;
1402 	uint8_t			max_pd;
1403 	uint8_t			reserved;
1404 	uint8_t			exclude_ld_count;
1405 	uint16_t		excluded_ld[MFI_MAX_LD];
1406 	uint8_t			cur_pd_map[MFI_MAX_PD / 8];
1407 	uint8_t			last_pd_map[MFI_MAX_PD / 8];
1408 	uint32_t		next_exec;
1409 	uint32_t		exec_freq;
1410 	uint32_t		clear_freq;
1411 };
1412 
1413 /* ThunderBolt support */
1414 
1415 /*
1416  * Raid Context structure which describes MegaRAID specific IO Paramenters
1417  * This resides at offset 0x60 where the SGL normally starts in MPT IO Frames
1418  */
1419 typedef struct _MPI2_SCSI_IO_VENDOR_UNIQUE {
1420 	uint16_t	resvd0;		/* 0x00 - 0x01 */
1421 	uint16_t	timeoutValue;	/* 0x02 - 0x03 */
1422 	uint8_t		regLockFlags;
1423 	uint8_t		armId;
1424 	uint16_t	TargetID;	/* 0x06 - 0x07 */
1425 
1426 	uint64_t	RegLockLBA;	/* 0x08 - 0x0F */
1427 
1428 	uint32_t	RegLockLength;	/* 0x10 - 0x13 */
1429 
1430 	uint16_t	SMID;		/* 0x14 - 0x15 nextLMId */
1431 	uint8_t		exStatus;	/* 0x16 */
1432 	uint8_t		Status;		/* 0x17 status */
1433 
1434 	uint8_t		RAIDFlags;	/* 0x18 */
1435 	uint8_t		numSGE;		/* 0x19 numSge */
1436 	uint16_t	configSeqNum;	/* 0x1A - 0x1B */
1437 	uint8_t		spanArm;	/* 0x1C */
1438 	uint8_t		resvd2[3];	/* 0x1D - 0x1F */
1439 } MPI2_SCSI_IO_VENDOR_UNIQUE, MPI25_SCSI_IO_VENDOR_UNIQUE;
1440 
1441 /*** DJA *****/
1442 
1443 /*****************************************************************************
1444 *
1445 *        Message Functions
1446 *
1447 *****************************************************************************/
1448 
1449 #define NA_MPI2_FUNCTION_SCSI_IO_REQUEST            (0x00) /* SCSI IO */
1450 #define MPI2_FUNCTION_SCSI_TASK_MGMT                (0x01) /* SCSI Task Management */
1451 #define MPI2_FUNCTION_IOC_INIT                      (0x02) /* IOC Init */
1452 #define MPI2_FUNCTION_IOC_FACTS                     (0x03) /* IOC Facts */
1453 #define MPI2_FUNCTION_CONFIG                        (0x04) /* Configuration */
1454 #define MPI2_FUNCTION_PORT_FACTS                    (0x05) /* Port Facts */
1455 #define MPI2_FUNCTION_PORT_ENABLE                   (0x06) /* Port Enable */
1456 #define MPI2_FUNCTION_EVENT_NOTIFICATION            (0x07) /* Event Notification */
1457 #define MPI2_FUNCTION_EVENT_ACK                     (0x08) /* Event Acknowledge */
1458 #define MPI2_FUNCTION_FW_DOWNLOAD                   (0x09) /* FW Download */
1459 #define MPI2_FUNCTION_TARGET_ASSIST                 (0x0B) /* Target Assist */
1460 #define MPI2_FUNCTION_TARGET_STATUS_SEND            (0x0C) /* Target Status Send */
1461 #define MPI2_FUNCTION_TARGET_MODE_ABORT             (0x0D) /* Target Mode Abort */
1462 #define MPI2_FUNCTION_FW_UPLOAD                     (0x12) /* FW Upload */
1463 #define MPI2_FUNCTION_RAID_ACTION                   (0x15) /* RAID Action */
1464 #define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH      (0x16) /* SCSI IO RAID Passthrough */
1465 #define MPI2_FUNCTION_TOOLBOX                       (0x17) /* Toolbox */
1466 #define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR      (0x18) /* SCSI Enclosure Processor */
1467 #define MPI2_FUNCTION_SMP_PASSTHROUGH               (0x1A) /* SMP Passthrough */
1468 #define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL           (0x1B) /* SAS IO Unit Control */
1469 #define MPI2_FUNCTION_SATA_PASSTHROUGH              (0x1C) /* SATA Passthrough */
1470 #define MPI2_FUNCTION_DIAG_BUFFER_POST              (0x1D) /* Diagnostic Buffer Post */
1471 #define MPI2_FUNCTION_DIAG_RELEASE                  (0x1E) /* Diagnostic Release */
1472 #define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST      (0x24) /* Target Command Buffer Post Base */
1473 #define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST      (0x25) /* Target Command Buffer Post List */
1474 #define MPI2_FUNCTION_RAID_ACCELERATOR              (0x2C) /* RAID Accelerator */
1475 #define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION   (0x2F) /* Host Based Discovery Action */
1476 #define MPI2_FUNCTION_PWR_MGMT_CONTROL              (0x30) /* Power Management Control */
1477 #define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC          (0xF0) /* beginning of product-specific range */
1478 #define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC          (0xFF) /* end of product-specific range */
1479 
1480 /* Doorbell functions */
1481 #define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET        (0x40)
1482 #define MPI2_FUNCTION_HANDSHAKE                     (0x42)
1483 
1484 /*****************************************************************************
1485 *
1486 *        MPI Version Definitions
1487 *
1488 *****************************************************************************/
1489 
1490 #define MPI2_VERSION_MAJOR                  (0x02)
1491 #define MPI2_VERSION_MINOR                  (0x00)
1492 #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
1493 #define MPI2_VERSION_MAJOR_SHIFT            (8)
1494 #define MPI2_VERSION_MINOR_MASK             (0x00FF)
1495 #define MPI2_VERSION_MINOR_SHIFT            (0)
1496 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) |   \
1497                                       MPI2_VERSION_MINOR)
1498 
1499 #define MPI2_VERSION_02_00                  (0x0200)
1500 
1501 /* versioning for this MPI header set */
1502 #define MPI2_HEADER_VERSION_UNIT            (0x10)
1503 #define MPI2_HEADER_VERSION_DEV             (0x00)
1504 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
1505 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
1506 #define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
1507 #define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
1508 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) |		\
1509 					MPI2_HEADER_VERSION_DEV)
1510 
1511 
1512 /* IOCInit Request message */
1513 struct MPI2_IOC_INIT_REQUEST {
1514 	uint8_t		WhoInit;                        /* 0x00 */
1515 	uint8_t		Reserved1;                      /* 0x01 */
1516 	uint8_t		ChainOffset;                    /* 0x02 */
1517 	uint8_t		Function;                       /* 0x03 */
1518 	uint16_t	Reserved2;                      /* 0x04 */
1519 	uint8_t		Reserved3;                      /* 0x06 */
1520 	uint8_t		MsgFlags;                       /* 0x07 */
1521 	uint8_t		VP_ID;                          /* 0x08 */
1522 	uint8_t		VF_ID;                          /* 0x09 */
1523 	uint16_t	Reserved4;                      /* 0x0A */
1524 	uint16_t	MsgVersion;                     /* 0x0C */
1525 	uint16_t	HeaderVersion;                  /* 0x0E */
1526 	uint32_t	Reserved5;                      /* 0x10 */
1527 	uint16_t	Reserved6;                      /* 0x14 */
1528 	uint8_t		Reserved7;                      /* 0x16 */
1529 	uint8_t		HostMSIxVectors;                /* 0x17 */
1530 	uint16_t	Reserved8;                      /* 0x18 */
1531 	uint16_t	SystemRequestFrameSize;         /* 0x1A */
1532 	uint16_t	ReplyDescriptorPostQueueDepth;  /* 0x1C */
1533 	uint16_t	ReplyFreeQueueDepth;            /* 0x1E */
1534 	uint32_t	SenseBufferAddressHigh;         /* 0x20 */
1535 	uint32_t	SystemReplyAddressHigh;         /* 0x24 */
1536 	uint64_t	SystemRequestFrameBaseAddress;  /* 0x28 */
1537 	uint64_t	ReplyDescriptorPostQueueAddress;/* 0x30 */
1538 	uint64_t	ReplyFreeQueueAddress;          /* 0x38 */
1539 	uint64_t	TimeStamp;                      /* 0x40 */
1540 };
1541 
1542 /* WhoInit values */
1543 #define MPI2_WHOINIT_NOT_INITIALIZED            (0x00)
1544 #define MPI2_WHOINIT_SYSTEM_BIOS                (0x01)
1545 #define MPI2_WHOINIT_ROM_BIOS                   (0x02)
1546 #define MPI2_WHOINIT_PCI_PEER                   (0x03)
1547 #define MPI2_WHOINIT_HOST_DRIVER                (0x04)
1548 #define MPI2_WHOINIT_MANUFACTURER               (0x05)
1549 
1550 struct MPI2_SGE_CHAIN_UNION {
1551 	uint16_t	Length;
1552 	uint8_t		NextChainOffset;
1553 	uint8_t		Flags;
1554 	union {
1555 		uint32_t	Address32;
1556 		uint64_t	Address64;
1557 	} u;
1558 };
1559 
1560 struct MPI2_IEEE_SGE_SIMPLE32 {
1561 	uint32_t	Address;
1562 	uint32_t	FlagsLength;
1563 };
1564 
1565 struct MPI2_IEEE_SGE_SIMPLE64 {
1566 	uint64_t	Address;
1567 	uint32_t	Length;
1568 	uint16_t	Reserved1;
1569 	uint8_t		Reserved2;
1570 	uint8_t		Flags;
1571 };
1572 
1573 typedef union _MPI2_IEEE_SGE_SIMPLE_UNION {
1574 	struct MPI2_IEEE_SGE_SIMPLE32	Simple32;
1575 	struct MPI2_IEEE_SGE_SIMPLE64	Simple64;
1576 } MPI2_IEEE_SGE_SIMPLE_UNION;
1577 
1578 typedef struct _MPI2_SGE_SIMPLE_UNION {
1579 	uint32_t	FlagsLength;
1580 	union {
1581 		uint32_t	Address32;
1582 		uint64_t	Address64;
1583 	} u;
1584 } MPI2_SGE_SIMPLE_UNION;
1585 
1586 /****************************************************************************
1587 *  IEEE SGE field definitions and masks
1588 ****************************************************************************/
1589 
1590 /* Flags field bit definitions */
1591 
1592 #define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK   (0x80)
1593 
1594 #define MPI2_IEEE32_SGE_FLAGS_SHIFT             (24)
1595 
1596 #define MPI2_IEEE32_SGE_LENGTH_MASK             (0x00FFFFFF)
1597 
1598 /* Element Type */
1599 
1600 #define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT      (0x00)
1601 #define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT       (0x80)
1602 
1603 /* Data Location Address Space */
1604 
1605 #define MPI2_IEEE_SGE_FLAGS_ADDR_MASK           (0x03)
1606 #define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR         (0x00)
1607 #define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR         (0x01)
1608 #define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR         (0x02)
1609 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03)
1610 
1611 /* Address Size */
1612 
1613 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
1614 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
1615 
1616 /*******************/
1617 /* SCSI IO Control bits */
1618 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_MASK      (0xFC000000)
1619 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT     (26)
1620 
1621 #define MPI2_SCSIIO_CONTROL_DATADIRECTION_MASK  (0x03000000)
1622 #define MPI2_SCSIIO_CONTROL_NODATATRANSFER      (0x00000000)
1623 #define MPI2_SCSIIO_CONTROL_WRITE               (0x01000000)
1624 #define MPI2_SCSIIO_CONTROL_READ                (0x02000000)
1625 #define MPI2_SCSIIO_CONTROL_BIDIRECTIONAL       (0x03000000)
1626 
1627 #define MPI2_SCSIIO_CONTROL_TASKPRI_MASK        (0x00007800)
1628 #define MPI2_SCSIIO_CONTROL_TASKPRI_SHIFT       (11)
1629 
1630 #define MPI2_SCSIIO_CONTROL_TASKATTRIBUTE_MASK  (0x00000700)
1631 #define MPI2_SCSIIO_CONTROL_SIMPLEQ             (0x00000000)
1632 #define MPI2_SCSIIO_CONTROL_HEADOFQ             (0x00000100)
1633 #define MPI2_SCSIIO_CONTROL_ORDEREDQ            (0x00000200)
1634 #define MPI2_SCSIIO_CONTROL_ACAQ                (0x00000400)
1635 
1636 #define MPI2_SCSIIO_CONTROL_TLR_MASK            (0x000000C0)
1637 #define MPI2_SCSIIO_CONTROL_NO_TLR              (0x00000000)
1638 #define MPI2_SCSIIO_CONTROL_TLR_ON              (0x00000040)
1639 #define MPI2_SCSIIO_CONTROL_TLR_OFF             (0x00000080)
1640 
1641 /*******************/
1642 
1643 typedef struct {
1644 	uint8_t		CDB[20];                    /* 0x00 */
1645 	uint32_t	PrimaryReferenceTag;        /* 0x14 */
1646 	uint16_t	PrimaryApplicationTag;      /* 0x18 */
1647 	uint16_t	PrimaryApplicationTagMask;  /* 0x1A */
1648 	uint32_t	TransferLength;             /* 0x1C */
1649 } MPI2_SCSI_IO_CDB_EEDP32;
1650 
1651 
1652 typedef union _MPI2_IEEE_SGE_CHAIN_UNION {
1653 	struct MPI2_IEEE_SGE_SIMPLE32	Chain32;
1654 	struct MPI2_IEEE_SGE_SIMPLE64	Chain64;
1655 } MPI2_IEEE_SGE_CHAIN_UNION;
1656 
1657 typedef union _MPI2_SIMPLE_SGE_UNION {
1658 	MPI2_SGE_SIMPLE_UNION		MpiSimple;
1659 	MPI2_IEEE_SGE_SIMPLE_UNION	IeeeSimple;
1660 } MPI2_SIMPLE_SGE_UNION;
1661 
1662 typedef union _MPI2_SGE_IO_UNION {
1663 	MPI2_SGE_SIMPLE_UNION		MpiSimple;
1664 	struct MPI2_SGE_CHAIN_UNION	MpiChain;
1665 	MPI2_IEEE_SGE_SIMPLE_UNION	IeeeSimple;
1666 	MPI2_IEEE_SGE_CHAIN_UNION	IeeeChain;
1667 } MPI2_SGE_IO_UNION;
1668 
1669 typedef union {
1670 	uint8_t			CDB32[32];
1671 	MPI2_SCSI_IO_CDB_EEDP32	EEDP32;
1672 	MPI2_SGE_SIMPLE_UNION	SGE;
1673 } MPI2_SCSI_IO_CDB_UNION;
1674 
1675 
1676 /* MPI 2.5 SGLs */
1677 
1678 #define MPI25_IEEE_SGE_FLAGS_END_OF_LIST        (0x40)
1679 
1680 typedef struct _MPI25_IEEE_SGE_CHAIN64 {
1681 	uint64_t	Address;
1682 	uint32_t	Length;
1683 	uint16_t	Reserved1;
1684 	uint8_t		NextChainOffset;
1685 	uint8_t		Flags;
1686 } MPI25_IEEE_SGE_CHAIN64, *pMpi25IeeeSgeChain64_t;
1687 
1688 /* use MPI2_IEEE_SGE_FLAGS_ defines for the Flags field */
1689 
1690 
1691 /********/
1692 
1693 /*
1694  * RAID SCSI IO Request Message
1695  * Total SGE count will be one less than  _MPI2_SCSI_IO_REQUEST
1696  */
1697 struct mfi_mpi2_request_raid_scsi_io {
1698 	uint16_t		DevHandle;                      /* 0x00 */
1699 	uint8_t			ChainOffset;                    /* 0x02 */
1700 	uint8_t			Function;                       /* 0x03 */
1701 	uint16_t		Reserved1;                      /* 0x04 */
1702 	uint8_t			Reserved2;                      /* 0x06 */
1703 	uint8_t			MsgFlags;                       /* 0x07 */
1704 	uint8_t			VP_ID;                          /* 0x08 */
1705 	uint8_t			VF_ID;                          /* 0x09 */
1706 	uint16_t		Reserved3;                      /* 0x0A */
1707 	uint32_t		SenseBufferLowAddress;          /* 0x0C */
1708 	uint16_t		SGLFlags;                       /* 0x10 */
1709 	uint8_t			SenseBufferLength;              /* 0x12 */
1710 	uint8_t			Reserved4;                      /* 0x13 */
1711 	uint8_t			SGLOffset0;                     /* 0x14 */
1712 	uint8_t			SGLOffset1;                     /* 0x15 */
1713 	uint8_t			SGLOffset2;                     /* 0x16 */
1714 	uint8_t			SGLOffset3;                     /* 0x17 */
1715 	uint32_t		SkipCount;                      /* 0x18 */
1716 	uint32_t		DataLength;                     /* 0x1C */
1717 	uint32_t		BidirectionalDataLength;        /* 0x20 */
1718 	uint16_t		IoFlags;                        /* 0x24 */
1719 	uint16_t		EEDPFlags;                      /* 0x26 */
1720 	uint32_t		EEDPBlockSize;                  /* 0x28 */
1721 	uint32_t		SecondaryReferenceTag;          /* 0x2C */
1722 	uint16_t		SecondaryApplicationTag;        /* 0x30 */
1723 	uint16_t		ApplicationTagTranslationMask;  /* 0x32 */
1724 	uint8_t			LUN[8];                         /* 0x34 */
1725 	uint32_t		Control;                        /* 0x3C */
1726 	MPI2_SCSI_IO_CDB_UNION	CDB;                            /* 0x40 */
1727 	MPI2_SCSI_IO_VENDOR_UNIQUE	RaidContext;              /* 0x60 */
1728 	MPI2_SGE_IO_UNION	SGL;                            /* 0x80 */
1729 } __packed;
1730 
1731 /*
1732  * MPT RAID MFA IO Descriptor.
1733  */
1734 typedef struct _MFI_RAID_MFA_IO_DESCRIPTOR {
1735 	uint32_t	RequestFlags : 8;
1736 	uint32_t	MessageAddress1 : 24; /* bits 31:8*/
1737 	uint32_t	MessageAddress2;      /* bits 61:32 */
1738 } MFI_RAID_MFA_IO_REQUEST_DESCRIPTOR,*PMFI_RAID_MFA_IO_REQUEST_DESCRIPTOR;
1739 
1740 struct mfi_mpi2_request_header {
1741 	uint8_t		RequestFlags;       /* 0x00 */
1742 	uint8_t		MSIxIndex;          /* 0x01 */
1743 	uint16_t	SMID;               /* 0x02 */
1744 	uint16_t	LMID;               /* 0x04 */
1745 };
1746 
1747 /* defines for the RequestFlags field */
1748 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK               (0x0E)
1749 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
1750 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET             (0x02)
1751 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY           (0x06)
1752 #define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE            (0x08)
1753 #define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR        (0x0A)
1754 
1755 #define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER (0x01)
1756 
1757 struct mfi_mpi2_request_high_priority {
1758 	struct mfi_mpi2_request_header	header;
1759 	uint16_t			reserved;
1760 };
1761 
1762 struct mfi_mpi2_request_scsi_io {
1763 	struct mfi_mpi2_request_header	header;
1764 	uint16_t			scsi_io_dev_handle;
1765 };
1766 
1767 struct mfi_mpi2_request_scsi_target {
1768 	struct mfi_mpi2_request_header	header;
1769 	uint16_t			scsi_target_io_index;
1770 };
1771 
1772 /* Request Descriptors */
1773 union mfi_mpi2_request_descriptor {
1774 	struct mfi_mpi2_request_header		header;
1775 	struct mfi_mpi2_request_high_priority	high_priority;
1776 	struct mfi_mpi2_request_scsi_io		scsi_io;
1777 	struct mfi_mpi2_request_scsi_target	scsi_target;
1778 	uint64_t				words;
1779 };
1780 
1781 
1782 struct mfi_mpi2_reply_header {
1783 	uint8_t		ReplyFlags;                 /* 0x00 */
1784 	uint8_t		MSIxIndex;                  /* 0x01 */
1785 	uint16_t	SMID;                       /* 0x02 */
1786 };
1787 
1788 /* defines for the ReplyFlags field */
1789 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK                   (0x0F)
1790 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS             (0x00)
1791 #define MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY               (0x01)
1792 #define MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS        (0x02)
1793 #define MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER       (0x03)
1794 #define MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS    (0x05)
1795 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED                      (0x0F)
1796 
1797 /* values for marking a reply descriptor as unused */
1798 #define MPI2_RPY_DESCRIPT_UNUSED_WORD0_MARK             (0xFFFFFFFF)
1799 #define MPI2_RPY_DESCRIPT_UNUSED_WORD1_MARK             (0xFFFFFFFF)
1800 
1801 struct mfi_mpi2_reply_default {
1802 	struct mfi_mpi2_reply_header	header;
1803 	uint32_t			DescriptorTypeDependent2;
1804 };
1805 
1806 struct mfi_mpi2_reply_address {
1807 	struct mfi_mpi2_reply_header	header;
1808 	uint32_t			ReplyFrameAddress;
1809 };
1810 
1811 struct mfi_mpi2_reply_scsi_io {
1812 	struct mfi_mpi2_reply_header	header;
1813 	uint16_t			TaskTag;		/* 0x04 */
1814 	uint16_t			Reserved1;		/* 0x06 */
1815 };
1816 
1817 struct mfi_mpi2_reply_target_assist {
1818 	struct mfi_mpi2_reply_header	header;
1819 	uint8_t				SequenceNumber;		/* 0x04 */
1820 	uint8_t				Reserved1;		/* 0x04 */
1821 	uint16_t			IoIndex;		/* 0x06 */
1822 };
1823 
1824 struct mfi_mpi2_reply_target_cmd_buffer {
1825 	struct mfi_mpi2_reply_header	header;
1826 	uint8_t				SequenceNumber;		/* 0x04 */
1827 	uint8_t				Flags;			/* 0x04 */
1828 	uint16_t			InitiatorDevHandle;	/* 0x06 */
1829 	uint16_t			IoIndex;		/* 0x06 */
1830 };
1831 
1832 struct mfi_mpi2_reply_raid_accel {
1833 	struct mfi_mpi2_reply_header	header;
1834 	uint8_t				SequenceNumber;		/* 0x04 */
1835 	uint32_t			Reserved;		/* 0x04 */
1836 };
1837 
1838 /* union of Reply Descriptors */
1839 union mfi_mpi2_reply_descriptor {
1840 	struct mfi_mpi2_reply_header		header;
1841 	struct mfi_mpi2_reply_scsi_io		scsi_io;
1842 	struct mfi_mpi2_reply_target_assist	target_assist;
1843 	struct mfi_mpi2_reply_target_cmd_buffer	target_cmd;
1844 	struct mfi_mpi2_reply_raid_accel	raid_accel;
1845 	struct mfi_mpi2_reply_default		reply_default;
1846 	uint64_t				words;
1847 };
1848 
1849 struct IO_REQUEST_INFO {
1850 	uint64_t	ldStartBlock;
1851 	uint32_t	numBlocks;
1852 	uint16_t	ldTgtId;
1853 	uint8_t		isRead;
1854 	uint16_t	devHandle;
1855 	uint64_t	pdBlock;
1856 	uint8_t		fpOkForIo;
1857 };
1858 
1859 #define MFI_SCSI_MAX_TARGETS	128
1860 #define MFI_SCSI_MAX_LUNS	8
1861 #define MFI_SCSI_INITIATOR_ID	255
1862 #define MFI_SCSI_MAX_CMDS	8
1863 #define MFI_SCSI_MAX_CDB_LEN	16
1864 
1865 #endif /* _MFIREG_H */
1866