xref: /dragonfly/sys/dev/raid/mfi/mfireg.h (revision dd100166)
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_EVENT_GETINFO =	0x01040100,
194 	MFI_DCMD_CTRL_EVENT_GET =	0x01040300,
195 	MFI_DCMD_CTRL_EVENT_WAIT =	0x01040500,
196 	MFI_DCMD_CTRL_SHUTDOWN =	0x01050000,
197 	MFI_DCMD_PR_GET_STATUS =	0x01070100,
198 	MFI_DCMD_PR_GET_PROPERTIES =	0x01070200,
199 	MFI_DCMD_PR_SET_PROPERTIES =	0x01070300,
200 	MFI_DCMD_PR_START =		0x01070400,
201 	MFI_DCMD_PR_STOP =		0x01070500,
202 	MFI_DCMD_TIME_SECS_GET =	0x01080201,
203 	MFI_DCMD_CTRL_MFC_DEFAULTS_GET =0x010e0201,
204 	MFI_DCMD_CTRL_MFC_DEFAULTS_SET =0x010e0202,
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_CTRL_FLUSHCACHE =	0x01101000,
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_SCAN =	0x04060100,
235 	MFI_DCMD_CFG_FOREIGN_DISPLAY =	0x04060200,
236 	MFI_DCMD_CFG_FOREIGN_PREVIEW =	0x04060300,
237 	MFI_DCMD_CFG_FOREIGN_IMPORT =	0x04060400,
238 	MFI_DCMD_CFG_FOREIGN_CLEAR =	0x04060500,
239 	MFI_DCMD_BBU_GET_STATUS =	0x05010000,
240 	MFI_DCMD_BBU_GET_CAPACITY_INFO =0x05020000,
241 	MFI_DCMD_BBU_GET_DESIGN_INFO =	0x05030000,
242 	MFI_DCMD_CLUSTER =		0x08000000,
243 	MFI_DCMD_CLUSTER_RESET_ALL =	0x08010100,
244 	MFI_DCMD_CLUSTER_RESET_LD =	0x08010200
245 } mfi_dcmd_t;
246 
247 /* Modifiers for MFI_DCMD_CTRL_FLUSHCACHE */
248 #define MFI_FLUSHCACHE_CTRL	0x01
249 #define MFI_FLUSHCACHE_DISK	0x02
250 
251 /* Modifiers for MFI_DCMD_CTRL_SHUTDOWN */
252 #define MFI_SHUTDOWN_SPINDOWN	0x01
253 
254 /*
255  * MFI Frame flags
256  */
257 #define MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
258 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
259 #define MFI_FRAME_SGL32				0x0000
260 #define MFI_FRAME_SGL64				0x0002
261 #define MFI_FRAME_SENSE32			0x0000
262 #define MFI_FRAME_SENSE64			0x0004
263 #define MFI_FRAME_DIR_NONE			0x0000
264 #define MFI_FRAME_DIR_WRITE			0x0008
265 #define MFI_FRAME_DIR_READ			0x0010
266 #define MFI_FRAME_DIR_BOTH			0x0018
267 #define MFI_FRAME_IEEE_SGL			0x0020
268 
269 /* ThunderBolt Specific */
270 
271 /*
272  * Pre-TB command size and TB command size.
273  * We will be checking it at the load time for the time being
274  */
275 #define MR_COMMAND_SIZE (MFI_FRAME_SIZE*20) /* 1280 bytes */
276 
277 #define MEGASAS_THUNDERBOLT_MSG_ALLIGNMENT  256
278 /*
279  * We are defining only 128 byte message to reduce memory move over head
280  * and also it will reduce the SRB extension size by 128byte compared with
281  * 256 message size
282  */
283 #define MEGASAS_THUNDERBOLT_NEW_MSG_SIZE	256
284 #define MEGASAS_THUNDERBOLT_MAX_COMMANDS	1024
285 #define MEGASAS_THUNDERBOLT_MAX_REPLY_COUNT	1024
286 #define MEGASAS_THUNDERBOLT_REPLY_SIZE		8
287 #define MEGASAS_THUNDERBOLT_MAX_CHAIN_COUNT	1
288 #define MEGASAS_MAX_SZ_CHAIN_FRAME		1024
289 
290 #define MPI2_FUNCTION_PASSTHRU_IO_REQUEST       0xF0
291 #define MPI2_FUNCTION_LD_IO_REQUEST             0xF1
292 
293 #define MR_INTERNAL_MFI_FRAMES_SMID             1
294 #define MR_CTRL_EVENT_WAIT_SMID                 2
295 #define MR_INTERNAL_DRIVER_RESET_SMID           3
296 
297 
298 /* MFI Status codes */
299 typedef enum {
300 	MFI_STAT_OK =			0x00,
301 	MFI_STAT_INVALID_CMD,
302 	MFI_STAT_INVALID_DCMD,
303 	MFI_STAT_INVALID_PARAMETER,
304 	MFI_STAT_INVALID_SEQUENCE_NUMBER,
305 	MFI_STAT_ABORT_NOT_POSSIBLE,
306 	MFI_STAT_APP_HOST_CODE_NOT_FOUND,
307 	MFI_STAT_APP_IN_USE,
308 	MFI_STAT_APP_NOT_INITIALIZED,
309 	MFI_STAT_ARRAY_INDEX_INVALID,
310 	MFI_STAT_ARRAY_ROW_NOT_EMPTY,
311 	MFI_STAT_CONFIG_RESOURCE_CONFLICT,
312 	MFI_STAT_DEVICE_NOT_FOUND,
313 	MFI_STAT_DRIVE_TOO_SMALL,
314 	MFI_STAT_FLASH_ALLOC_FAIL,
315 	MFI_STAT_FLASH_BUSY,
316 	MFI_STAT_FLASH_ERROR =		0x10,
317 	MFI_STAT_FLASH_IMAGE_BAD,
318 	MFI_STAT_FLASH_IMAGE_INCOMPLETE,
319 	MFI_STAT_FLASH_NOT_OPEN,
320 	MFI_STAT_FLASH_NOT_STARTED,
321 	MFI_STAT_FLUSH_FAILED,
322 	MFI_STAT_HOST_CODE_NOT_FOUNT,
323 	MFI_STAT_LD_CC_IN_PROGRESS,
324 	MFI_STAT_LD_INIT_IN_PROGRESS,
325 	MFI_STAT_LD_LBA_OUT_OF_RANGE,
326 	MFI_STAT_LD_MAX_CONFIGURED,
327 	MFI_STAT_LD_NOT_OPTIMAL,
328 	MFI_STAT_LD_RBLD_IN_PROGRESS,
329 	MFI_STAT_LD_RECON_IN_PROGRESS,
330 	MFI_STAT_LD_WRONG_RAID_LEVEL,
331 	MFI_STAT_MAX_SPARES_EXCEEDED,
332 	MFI_STAT_MEMORY_NOT_AVAILABLE =	0x20,
333 	MFI_STAT_MFC_HW_ERROR,
334 	MFI_STAT_NO_HW_PRESENT,
335 	MFI_STAT_NOT_FOUND,
336 	MFI_STAT_NOT_IN_ENCL,
337 	MFI_STAT_PD_CLEAR_IN_PROGRESS,
338 	MFI_STAT_PD_TYPE_WRONG,
339 	MFI_STAT_PR_DISABLED,
340 	MFI_STAT_ROW_INDEX_INVALID,
341 	MFI_STAT_SAS_CONFIG_INVALID_ACTION,
342 	MFI_STAT_SAS_CONFIG_INVALID_DATA,
343 	MFI_STAT_SAS_CONFIG_INVALID_PAGE,
344 	MFI_STAT_SAS_CONFIG_INVALID_TYPE,
345 	MFI_STAT_SCSI_DONE_WITH_ERROR,
346 	MFI_STAT_SCSI_IO_FAILED,
347 	MFI_STAT_SCSI_RESERVATION_CONFLICT,
348 	MFI_STAT_SHUTDOWN_FAILED =	0x30,
349 	MFI_STAT_TIME_NOT_SET,
350 	MFI_STAT_WRONG_STATE,
351 	MFI_STAT_LD_OFFLINE,
352 	MFI_STAT_PEER_NOTIFICATION_REJECTED,
353 	MFI_STAT_PEER_NOTIFICATION_FAILED,
354 	MFI_STAT_RESERVATION_IN_PROGRESS,
355 	MFI_STAT_I2C_ERRORS_DETECTED,
356 	MFI_STAT_PCI_ERRORS_DETECTED,
357 	MFI_STAT_DIAG_FAILED,
358 	MFI_STAT_BOOT_MSG_PENDING,
359 	MFI_STAT_FOREIGN_CONFIG_INCOMPLETE,
360 	MFI_STAT_INVALID_STATUS =	0xFF
361 } mfi_status_t;
362 
363 typedef enum {
364 	MFI_EVT_CLASS_DEBUG =		-2,
365 	MFI_EVT_CLASS_PROGRESS =	-1,
366 	MFI_EVT_CLASS_INFO =		0,
367 	MFI_EVT_CLASS_WARNING =		1,
368 	MFI_EVT_CLASS_CRITICAL =	2,
369 	MFI_EVT_CLASS_FATAL =		3,
370 	MFI_EVT_CLASS_DEAD =		4
371 } mfi_evt_class_t;
372 
373 typedef enum {
374 	MFI_EVT_LOCALE_LD =		0x0001,
375 	MFI_EVT_LOCALE_PD =		0x0002,
376 	MFI_EVT_LOCALE_ENCL =		0x0004,
377 	MFI_EVT_LOCALE_BBU =		0x0008,
378 	MFI_EVT_LOCALE_SAS =		0x0010,
379 	MFI_EVT_LOCALE_CTRL =		0x0020,
380 	MFI_EVT_LOCALE_CONFIG =		0x0040,
381 	MFI_EVT_LOCALE_CLUSTER =	0x0080,
382 	MFI_EVT_LOCALE_ALL =		0xffff
383 } mfi_evt_locale_t;
384 
385 typedef enum {
386 	MR_EVT_ARGS_NONE =		0x00,
387 	MR_EVT_ARGS_CDB_SENSE,
388 	MR_EVT_ARGS_LD,
389 	MR_EVT_ARGS_LD_COUNT,
390 	MR_EVT_ARGS_LD_LBA,
391 	MR_EVT_ARGS_LD_OWNER,
392 	MR_EVT_ARGS_LD_LBA_PD_LBA,
393 	MR_EVT_ARGS_LD_PROG,
394 	MR_EVT_ARGS_LD_STATE,
395 	MR_EVT_ARGS_LD_STRIP,
396 	MR_EVT_ARGS_PD,
397 	MR_EVT_ARGS_PD_ERR,
398 	MR_EVT_ARGS_PD_LBA,
399 	MR_EVT_ARGS_PD_LBA_LD,
400 	MR_EVT_ARGS_PD_PROG,
401 	MR_EVT_ARGS_PD_STATE,
402 	MR_EVT_ARGS_PCI,
403 	MR_EVT_ARGS_RATE,
404 	MR_EVT_ARGS_STR,
405 	MR_EVT_ARGS_TIME,
406 	MR_EVT_ARGS_ECC
407 } mfi_evt_args;
408 
409 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED	0x0152
410 #define MR_EVT_PD_REMOVED			0x0070
411 #define MR_EVT_PD_INSERTED			0x005b
412 
413 typedef enum {
414 	MR_LD_CACHE_WRITE_BACK =	0x01,
415 	MR_LD_CACHE_WRITE_ADAPTIVE =	0x02,
416 	MR_LD_CACHE_READ_AHEAD =	0x04,
417 	MR_LD_CACHE_READ_ADAPTIVE =	0x08,
418 	MR_LD_CACHE_WRITE_CACHE_BAD_BBU=0x10,
419 	MR_LD_CACHE_ALLOW_WRITE_CACHE =	0x20,
420 	MR_LD_CACHE_ALLOW_READ_CACHE =	0x40
421 } mfi_ld_cache;
422 #define	MR_LD_CACHE_MASK	0x7f
423 
424 #define	MR_LD_CACHE_POLICY_READ_AHEAD_NONE		0
425 #define	MR_LD_CACHE_POLICY_READ_AHEAD_ALWAYS		MR_LD_CACHE_READ_AHEAD
426 #define	MR_LD_CACHE_POLICY_READ_AHEAD_ADAPTIVE		\
427 	(MR_LD_CACHE_READ_AHEAD | MR_LD_CACHE_READ_ADAPTIVE)
428 #define	MR_LD_CACHE_POLICY_WRITE_THROUGH		0
429 #define	MR_LD_CACHE_POLICY_WRITE_BACK			MR_LD_CACHE_WRITE_BACK
430 #define	MR_LD_CACHE_POLICY_IO_CACHED			\
431 	(MR_LD_CACHE_ALLOW_WRITE_CACHE | MR_LD_CACHE_ALLOW_READ_CACHE)
432 #define	MR_LD_CACHE_POLICY_IO_DIRECT			0
433 
434 typedef enum {
435 	MR_PD_CACHE_UNCHANGED  =	0,
436 	MR_PD_CACHE_ENABLE =		1,
437 	MR_PD_CACHE_DISABLE =		2
438 } mfi_pd_cache;
439 
440 typedef enum {
441 	MR_PD_QUERY_TYPE_ALL =		0,
442 	MR_PD_QUERY_TYPE_STATE =	1,
443 	MR_PD_QUERY_TYPE_POWER_STATE =	2,
444 	MR_PD_QUERY_TYPE_MEDIA_TYPE =	3,
445 	MR_PD_QUERY_TYPE_SPEED =	4,
446 	MR_PD_QUERY_TYPE_EXPOSED_TO_HOST = 5 /*query for system drives */
447 } mfi_pd_query_type;
448 
449 /*
450  * Other propertities and definitions
451  */
452 #define MFI_MAX_PD_CHANNELS	2
453 #define MFI_MAX_LD_CHANNELS	2
454 #define MFI_MAX_CHANNELS	(MFI_MAX_PD_CHANNELS + MFI_MAX_LD_CHANNELS)
455 #define MFI_MAX_CHANNEL_DEVS	128
456 #define MFI_DEFAULT_ID		-1
457 #define MFI_MAX_LUN		8
458 #define MFI_MAX_LD		64
459 #define	MFI_MAX_PD		256
460 
461 #define MFI_FRAME_SIZE		64
462 #define MFI_MBOX_SIZE		12
463 
464 /* Firmware flashing can take 40s */
465 #define MFI_POLL_TIMEOUT_SECS	50
466 
467 /* Allow for speedier math calculations */
468 #define MFI_SECTOR_LEN		512
469 
470 /* Scatter Gather elements */
471 struct mfi_sg32 {
472 	uint32_t	addr;
473 	uint32_t	len;
474 } __packed;
475 
476 struct mfi_sg64 {
477 	uint64_t	addr;
478 	uint32_t	len;
479 } __packed;
480 
481 struct mfi_sg_skinny {
482 	uint64_t	addr;
483 	uint32_t	len;
484 	uint32_t	flag;
485 } __packed;
486 
487 union mfi_sgl {
488 	struct mfi_sg32		sg32[1];
489 	struct mfi_sg64		sg64[1];
490 	struct mfi_sg_skinny	sg_skinny[1];
491 } __packed;
492 
493 /* Message frames.  All messages have a common header */
494 struct mfi_frame_header {
495 	uint8_t		cmd;
496 	uint8_t		sense_len;
497 	uint8_t		cmd_status;
498 	uint8_t		scsi_status;
499 	uint8_t		target_id;
500 	uint8_t		lun_id;
501 	uint8_t		cdb_len;
502 	uint8_t		sg_count;
503 	uint32_t	context;
504 	/*
505 	 * pad0 is MSI Specific. Not used by Driver. Zero the value before
506 	 * sending the command to f/w.
507 	 */
508 	uint32_t	pad0;
509 	uint16_t	flags;
510 #define MFI_FRAME_DATAOUT	0x08
511 #define MFI_FRAME_DATAIN	0x10
512 	uint16_t	timeout;
513 	uint32_t	data_len;
514 } __packed;
515 
516 struct mfi_init_frame {
517 	struct mfi_frame_header	header;
518 	uint32_t	qinfo_new_addr_lo;
519 	uint32_t	qinfo_new_addr_hi;
520 	uint32_t	qinfo_old_addr_lo;
521 	uint32_t	qinfo_old_addr_hi;
522 	// Start LSIP200113393
523 	uint32_t	driver_ver_lo;      /*28h */
524 	uint32_t	driver_ver_hi;      /*2Ch */
525 
526 	uint32_t	reserved[4];
527 	// End LSIP200113393
528 } __packed;
529 
530 /*
531  * Define MFI Address Context union.
532  */
533 #ifdef MFI_ADDRESS_IS_uint64_t
534     typedef uint64_t     MFI_ADDRESS;
535 #else
536     typedef union _MFI_ADDRESS {
537         struct {
538             uint32_t     addressLow;
539             uint32_t     addressHigh;
540         } u;
541         uint64_t     address;
542     } MFI_ADDRESS, *PMFI_ADDRESS;
543 #endif
544 
545 #define MFI_IO_FRAME_SIZE 40
546 struct mfi_io_frame {
547 	struct mfi_frame_header	header;
548 	uint32_t	sense_addr_lo;
549 	uint32_t	sense_addr_hi;
550 	uint32_t	lba_lo;
551 	uint32_t	lba_hi;
552 	union mfi_sgl	sgl;
553 } __packed;
554 
555 #define MFI_PASS_FRAME_SIZE 48
556 struct mfi_pass_frame {
557 	struct mfi_frame_header header;
558 	uint32_t	sense_addr_lo;
559 	uint32_t	sense_addr_hi;
560 	uint8_t		cdb[16];
561 	union mfi_sgl	sgl;
562 } __packed;
563 
564 #define MFI_DCMD_FRAME_SIZE 40
565 struct mfi_dcmd_frame {
566 	struct mfi_frame_header header;
567 	uint32_t	opcode;
568 	uint8_t		mbox[MFI_MBOX_SIZE];
569 	union mfi_sgl	sgl;
570 } __packed;
571 
572 struct mfi_abort_frame {
573 	struct mfi_frame_header header;
574 	uint32_t	abort_context;
575 	/* pad is changed to reserved.*/
576 	uint32_t	reserved0;
577 	uint32_t	abort_mfi_addr_lo;
578 	uint32_t	abort_mfi_addr_hi;
579 	uint32_t	reserved1[6];
580 } __packed;
581 
582 struct mfi_smp_frame {
583 	struct mfi_frame_header header;
584 	uint64_t	sas_addr;
585 	union {
586 		struct mfi_sg32 sg32[2];
587 		struct mfi_sg64 sg64[2];
588 	} sgl;
589 } __packed;
590 
591 struct mfi_stp_frame {
592 	struct mfi_frame_header header;
593 	uint16_t	fis[10];
594 	uint32_t	stp_flags;
595 	union {
596 		struct mfi_sg32 sg32[2];
597 		struct mfi_sg64 sg64[2];
598 	} sgl;
599 } __packed;
600 
601 union mfi_frame {
602 	struct mfi_frame_header header;
603 	struct mfi_init_frame	init;
604 	/* ThunderBolt Initialization */
605 	struct mfi_io_frame	io;
606 	struct mfi_pass_frame	pass;
607 	struct mfi_dcmd_frame	dcmd;
608 	struct mfi_abort_frame	abort;
609 	struct mfi_smp_frame	smp;
610 	struct mfi_stp_frame	stp;
611 	uint8_t			bytes[MFI_FRAME_SIZE];
612 };
613 
614 #define MFI_SENSE_LEN 128
615 struct mfi_sense {
616 	uint8_t		data[MFI_SENSE_LEN];
617 };
618 
619 /* The queue init structure that is passed with the init message */
620 struct mfi_init_qinfo {
621 	uint32_t	flags;
622 	uint32_t	rq_entries;
623 	uint32_t	rq_addr_lo;
624 	uint32_t	rq_addr_hi;
625 	uint32_t	pi_addr_lo;
626 	uint32_t	pi_addr_hi;
627 	uint32_t	ci_addr_lo;
628 	uint32_t	ci_addr_hi;
629 } __packed;
630 
631 /* SAS (?) controller properties, part of mfi_ctrl_info */
632 struct mfi_ctrl_props {
633 	uint16_t	seq_num;
634 	uint16_t	pred_fail_poll_interval;
635 	uint16_t	intr_throttle_cnt;
636 	uint16_t	intr_throttle_timeout;
637 	uint8_t		rebuild_rate;
638 	uint8_t		patrol_read_rate;
639 	uint8_t		bgi_rate;
640 	uint8_t		cc_rate;
641 	uint8_t		recon_rate;
642 	uint8_t		cache_flush_interval;
643 	uint8_t		spinup_drv_cnt;
644 	uint8_t		spinup_delay;
645 	uint8_t		cluster_enable;
646 	uint8_t		coercion_mode;
647 	uint8_t		alarm_enable;
648 	uint8_t		disable_auto_rebuild;
649 	uint8_t		disable_battery_warn;
650 	uint8_t		ecc_bucket_size;
651 	uint16_t	ecc_bucket_leak_rate;
652 	uint8_t		restore_hotspare_on_insertion;
653 	uint8_t		expose_encl_devices;
654 	uint8_t		maintainPdFailHistory;
655 	uint8_t		disallowHostRequestReordering;
656 	/* set TRUE to abort CC on detecting an inconsistency */
657 	uint8_t		abortCCOnError;
658 	/* load balance mode (MR_LOAD_BALANCE_MODE) */
659 	uint8_t		loadBalanceMode;
660 	/*
661 	 * 0 - use auto detect logic of backplanes like SGPIO, i2c SEP using
662 	 *     h/w mechansim like GPIO pins
663 	 * 1 - disable auto detect SGPIO,
664 	 * 2 - disable i2c SEP auto detect
665 	 * 3 - disable both auto detect
666 	 */
667 	uint8_t		disableAutoDetectBackplane;
668 	/*
669 	 * % of source LD to be reserved for a VDs snapshot in snapshot
670 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on
671 	 */
672 	uint8_t		snapVDSpace;
673 
674 	/*
675 	 * Add properties that can be controlled by a bit in the following
676 	 * structure.
677 	 */
678 	struct {
679 		/* set TRUE to disable copyBack (0=copback enabled) */
680 		uint32_t	copyBackDisabled		:1;
681 		uint32_t	SMARTerEnabled			:1;
682 		uint32_t	prCorrectUnconfiguredAreas	:1;
683 		uint32_t	useFdeOnly			:1;
684 		uint32_t	disableNCQ			:1;
685 		uint32_t	SSDSMARTerEnabled		:1;
686 		uint32_t	SSDPatrolReadEnabled		:1;
687 		uint32_t	enableSpinDownUnconfigured	:1;
688 		uint32_t	autoEnhancedImport		:1;
689 		uint32_t	enableSecretKeyControl		:1;
690 		uint32_t	disableOnlineCtrlReset		:1;
691 		uint32_t	allowBootWithPinnedCache	:1;
692 		uint32_t	disableSpinDownHS		:1;
693 		uint32_t	enableJBOD			:1;
694 		uint32_t	reserved			:18;
695 	} OnOffProperties;
696 	/*
697 	 * % of source LD to be reserved for auto snapshot in snapshot
698 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on.
699 	 */
700 	uint8_t		autoSnapVDSpace;
701 	/*
702 	 * Snapshot writeable VIEWs capacity as a % of source LD capacity:
703 	 * 0=READ only, 1=5%, 2=10%, 3=15% and so on.
704 	 */
705 	uint8_t		viewSpace;
706 	/* # of idle minutes before device is spun down (0=use FW defaults) */
707 	uint16_t	spinDownTime;
708 	uint8_t		reserved[24];
709 } __packed;
710 
711 /* PCI information about the card. */
712 struct mfi_info_pci {
713 	uint16_t	vendor;
714 	uint16_t	device;
715 	uint16_t	subvendor;
716 	uint16_t	subdevice;
717 	uint8_t		reserved[24];
718 } __packed;
719 
720 /* Host (front end) interface information */
721 struct mfi_info_host {
722 	uint8_t		type;
723 #define MFI_INFO_HOST_PCIX	0x01
724 #define MFI_INFO_HOST_PCIE	0x02
725 #define MFI_INFO_HOST_ISCSI	0x04
726 #define MFI_INFO_HOST_SAS3G	0x08
727 	uint8_t		reserved[6];
728 	uint8_t		port_count;
729 	uint64_t	port_addr[8];
730 } __packed;
731 
732 /* Device (back end) interface information */
733 struct mfi_info_device {
734 	uint8_t		type;
735 #define MFI_INFO_DEV_SPI	0x01
736 #define MFI_INFO_DEV_SAS3G	0x02
737 #define MFI_INFO_DEV_SATA1	0x04
738 #define MFI_INFO_DEV_SATA3G	0x08
739 	uint8_t		reserved[6];
740 	uint8_t		port_count;
741 	uint64_t	port_addr[8];
742 } __packed;
743 
744 /* Firmware component information */
745 struct mfi_info_component {
746 	char		 name[8];
747 	char		 version[32];
748 	char		 build_date[16];
749 	char		 build_time[16];
750 } __packed;
751 
752 /* Controller default settings */
753 struct mfi_defaults {
754 	uint64_t	sas_addr;
755 	uint8_t		phy_polarity;
756 	uint8_t		background_rate;
757 	uint8_t		stripe_size;
758 	uint8_t		flush_time;
759 	uint8_t		write_back;
760 	uint8_t		read_ahead;
761 	uint8_t		cache_when_bbu_bad;
762 	uint8_t		cached_io;
763 	uint8_t		smart_mode;
764 	uint8_t		alarm_disable;
765 	uint8_t		coercion;
766 	uint8_t		zrc_config;
767 	uint8_t		dirty_led_shows_drive_activity;
768 	uint8_t		bios_continue_on_error;
769 	uint8_t		spindown_mode;
770 	uint8_t		allowed_device_types;
771 	uint8_t		allow_mix_in_enclosure;
772 	uint8_t		allow_mix_in_ld;
773 	uint8_t		allow_sata_in_cluster;
774 	uint8_t		max_chained_enclosures;
775 	uint8_t		disable_ctrl_r;
776 	uint8_t		enabel_web_bios;
777 	uint8_t		phy_polarity_split;
778 	uint8_t		direct_pd_mapping;
779 	uint8_t		bios_enumerate_lds;
780 	uint8_t		restored_hot_spare_on_insertion;
781 	uint8_t		expose_enclosure_devices;
782 	uint8_t		maintain_pd_fail_history;
783 	uint8_t		resv[28];
784 } __packed;
785 
786 /* Controller default settings */
787 struct mfi_bios_data {
788 	uint16_t	boot_target_id;
789 	uint8_t		do_not_int_13;
790 	uint8_t		continue_on_error;
791 	uint8_t		verbose;
792 	uint8_t		geometry;
793 	uint8_t		expose_all_drives;
794 	uint8_t		reserved[56];
795 	uint8_t		check_sum;
796 } __packed;
797 
798 /* SAS (?) controller info, returned from MFI_DCMD_CTRL_GETINFO. */
799 struct mfi_ctrl_info {
800 	struct mfi_info_pci	pci;
801 	struct mfi_info_host	host;
802 	struct mfi_info_device	device;
803 
804 	/* Firmware components that are present and active. */
805 	uint32_t		image_check_word;
806 	uint32_t		image_component_count;
807 	struct mfi_info_component image_component[8];
808 
809 	/* Firmware components that have been flashed but are inactive */
810 	uint32_t		pending_image_component_count;
811 	struct mfi_info_component pending_image_component[8];
812 
813 	uint8_t			max_arms;
814 	uint8_t			max_spans;
815 	uint8_t			max_arrays;
816 	uint8_t			max_lds;
817 	char			product_name[80];
818 	char			serial_number[32];
819 	uint32_t		hw_present;
820 #define MFI_INFO_HW_BBU		0x01
821 #define MFI_INFO_HW_ALARM	0x02
822 #define MFI_INFO_HW_NVRAM	0x04
823 #define MFI_INFO_HW_UART	0x08
824 	uint32_t		current_fw_time;
825 	uint16_t		max_cmds;
826 	uint16_t		max_sg_elements;
827 	uint32_t		max_request_size;
828 	uint16_t		lds_present;
829 	uint16_t		lds_degraded;
830 	uint16_t		lds_offline;
831 	uint16_t		pd_present;
832 	uint16_t		pd_disks_present;
833 	uint16_t		pd_disks_pred_failure;
834 	uint16_t		pd_disks_failed;
835 	uint16_t		nvram_size;
836 	uint16_t		memory_size;
837 	uint16_t		flash_size;
838 	uint16_t		ram_correctable_errors;
839 	uint16_t		ram_uncorrectable_errors;
840 	uint8_t			cluster_allowed;
841 	uint8_t			cluster_active;
842 	uint16_t		max_strips_per_io;
843 
844 	uint32_t		raid_levels;
845 #define MFI_INFO_RAID_0		0x01
846 #define MFI_INFO_RAID_1		0x02
847 #define MFI_INFO_RAID_5		0x04
848 #define MFI_INFO_RAID_1E	0x08
849 #define MFI_INFO_RAID_6		0x10
850 
851 	uint32_t		adapter_ops;
852 #define MFI_INFO_AOPS_RBLD_RATE		0x0001
853 #define MFI_INFO_AOPS_CC_RATE		0x0002
854 #define MFI_INFO_AOPS_BGI_RATE		0x0004
855 #define MFI_INFO_AOPS_RECON_RATE	0x0008
856 #define MFI_INFO_AOPS_PATROL_RATE	0x0010
857 #define MFI_INFO_AOPS_ALARM_CONTROL	0x0020
858 #define MFI_INFO_AOPS_CLUSTER_SUPPORTED	0x0040
859 #define MFI_INFO_AOPS_BBU		0x0080
860 #define MFI_INFO_AOPS_SPANNING_ALLOWED	0x0100
861 #define MFI_INFO_AOPS_DEDICATED_SPARES	0x0200
862 #define MFI_INFO_AOPS_REVERTIBLE_SPARES	0x0400
863 #define MFI_INFO_AOPS_FOREIGN_IMPORT	0x0800
864 #define MFI_INFO_AOPS_SELF_DIAGNOSTIC	0x1000
865 #define MFI_INFO_AOPS_MIXED_ARRAY	0x2000
866 #define MFI_INFO_AOPS_GLOBAL_SPARES	0x4000
867 
868 	uint32_t		ld_ops;
869 #define MFI_INFO_LDOPS_READ_POLICY	0x01
870 #define MFI_INFO_LDOPS_WRITE_POLICY	0x02
871 #define MFI_INFO_LDOPS_IO_POLICY	0x04
872 #define MFI_INFO_LDOPS_ACCESS_POLICY	0x08
873 #define MFI_INFO_LDOPS_DISK_CACHE_POLICY 0x10
874 
875 	struct {
876 		uint8_t		min;
877 		uint8_t		max;
878 		uint8_t		reserved[2];
879 	} __packed stripe_sz_ops;
880 
881 	uint32_t		pd_ops;
882 #define MFI_INFO_PDOPS_FORCE_ONLINE	0x01
883 #define MFI_INFO_PDOPS_FORCE_OFFLINE	0x02
884 #define MFI_INFO_PDOPS_FORCE_REBUILD	0x04
885 
886 	uint32_t		pd_mix_support;
887 #define MFI_INFO_PDMIX_SAS		0x01
888 #define MFI_INFO_PDMIX_SATA		0x02
889 #define MFI_INFO_PDMIX_ENCL		0x04
890 #define MFI_INFO_PDMIX_LD		0x08
891 #define MFI_INFO_PDMIX_SATA_CLUSTER	0x10
892 
893 	uint8_t			ecc_bucket_count;
894 	uint8_t			reserved2[11];
895 	struct mfi_ctrl_props	properties;
896 	char			package_version[0x60];
897 	uint8_t			pad[0x800 - 0x6a0];
898 } __packed;
899 
900 /* keep track of an event. */
901 union mfi_evt {
902 	struct {
903 		uint16_t	locale;
904 		uint8_t		reserved;
905 		int8_t		evt_class;
906 	} members;
907 	uint32_t		word;
908 } __packed;
909 
910 /* event log state. */
911 struct mfi_evt_log_state {
912 	uint32_t		newest_seq_num;
913 	uint32_t		oldest_seq_num;
914 	uint32_t		clear_seq_num;
915 	uint32_t		shutdown_seq_num;
916 	uint32_t		boot_seq_num;
917 } __packed;
918 
919 struct mfi_progress {
920 	uint16_t		progress;
921 	uint16_t		elapsed_seconds;
922 } __packed;
923 
924 struct mfi_evt_ld {
925 	uint16_t		target_id;
926 	uint8_t			ld_index;
927 	uint8_t			reserved;
928 } __packed;
929 
930 struct mfi_evt_pd {
931 	uint16_t		device_id;
932 	uint8_t			enclosure_index;
933 	uint8_t			slot_number;
934 } __packed;
935 
936 /* SAS (?) event detail, returned from MFI_DCMD_CTRL_EVENT_WAIT. */
937 struct mfi_evt_detail {
938 	uint32_t		seq;
939 	uint32_t		time;
940 	uint32_t		code;
941 	union mfi_evt		evt_class;
942 	uint8_t			arg_type;
943 	uint8_t			reserved1[15];
944 
945 	union {
946 		struct {
947 			struct mfi_evt_pd	pd;
948 			uint8_t			cdb_len;
949 			uint8_t			sense_len;
950 			uint8_t			reserved[2];
951 			uint8_t			cdb[16];
952 			uint8_t			sense[64];
953 		} cdb_sense;
954 
955 		struct mfi_evt_ld		ld;
956 
957 		struct {
958 			struct mfi_evt_ld	ld;
959 			uint64_t		count;
960 		} ld_count;
961 
962 		struct {
963 			uint64_t		lba;
964 			struct mfi_evt_ld	ld;
965 		} ld_lba;
966 
967 		struct {
968 			struct mfi_evt_ld	ld;
969 			uint32_t		pre_owner;
970 			uint32_t		new_owner;
971 		} ld_owner;
972 
973 		struct {
974 			uint64_t		ld_lba;
975 			uint64_t		pd_lba;
976 			struct mfi_evt_ld	ld;
977 			struct mfi_evt_pd	pd;
978 		} ld_lba_pd_lba;
979 
980 		struct {
981 			struct mfi_evt_ld	ld;
982 			struct mfi_progress	prog;
983 		} ld_prog;
984 
985 		struct {
986 			struct mfi_evt_ld	ld;
987 			uint32_t		prev_state;
988 			uint32_t		new_state;
989 		} ld_state;
990 
991 		struct {
992 			uint64_t		strip;
993 			struct mfi_evt_ld	ld;
994 		} ld_strip;
995 
996 		struct mfi_evt_pd		pd;
997 
998 		struct {
999 			struct mfi_evt_pd	pd;
1000 			uint32_t		err;
1001 		} pd_err;
1002 
1003 		struct {
1004 			uint64_t		lba;
1005 			struct mfi_evt_pd	pd;
1006 		} pd_lba;
1007 
1008 		struct {
1009 			uint64_t		lba;
1010 			struct mfi_evt_pd	pd;
1011 			struct mfi_evt_ld	ld;
1012 		} pd_lba_ld;
1013 
1014 		struct {
1015 			struct mfi_evt_pd	pd;
1016 			struct mfi_progress	prog;
1017 		} pd_prog;
1018 
1019 		struct {
1020 			struct mfi_evt_pd	ld;
1021 			uint32_t		prev_state;
1022 			uint32_t		new_state;
1023 		} pd_state;
1024 
1025 		struct {
1026 			uint16_t		venderId;
1027 			uint16_t		deviceId;
1028 			uint16_t		subVenderId;
1029 			uint16_t		subDeviceId;
1030 		} pci;
1031 
1032 		uint32_t			rate;
1033 
1034 		char				str[96];
1035 
1036 		struct {
1037 			uint32_t		rtc;
1038 			uint16_t		elapsedSeconds;
1039 		} time;
1040 
1041 		struct {
1042 			uint32_t		ecar;
1043 			uint32_t		elog;
1044 			char			str[64];
1045 		} ecc;
1046 
1047 		uint8_t		b[96];
1048 		uint16_t	s[48];
1049 		uint32_t	w[24];
1050 		uint64_t	d[12];
1051 	} args;
1052 
1053 	char description[128];
1054 } __packed;
1055 
1056 struct mfi_evt_list {
1057 	uint32_t		count;
1058 	uint32_t		reserved;
1059 	struct mfi_evt_detail	event[1];
1060 } __packed;
1061 
1062 union mfi_pd_ref {
1063 	struct {
1064 		uint16_t	device_id;
1065 		uint16_t	seq_num;
1066 	} v;
1067 	uint32_t	ref;
1068 } __packed;
1069 
1070 union mfi_pd_ddf_type {
1071 	struct {
1072 		union {
1073 			struct {
1074 				uint16_t	forced_pd_guid	: 1;
1075 				uint16_t	in_vd		: 1;
1076 				uint16_t	is_global_spare	: 1;
1077 				uint16_t	is_spare	: 1;
1078 				uint16_t	is_foreign	: 1;
1079 				uint16_t	reserved	: 7;
1080 				uint16_t	intf		: 4;
1081 			} pd_type;
1082 			uint16_t	type;
1083 		} v;
1084 		uint16_t		reserved;
1085 	} ddf;
1086 	struct {
1087 		uint32_t		reserved;
1088 	} non_disk;
1089 	uint32_t			type;
1090 } __packed;
1091 
1092 struct mfi_pd_progress {
1093 	uint32_t			active;
1094 #define	MFI_PD_PROGRESS_REBUILD	(1<<0)
1095 #define	MFI_PD_PROGRESS_PATROL	(1<<1)
1096 #define	MFI_PD_PROGRESS_CLEAR	(1<<2)
1097 	struct mfi_progress		rbld;
1098 	struct mfi_progress		patrol;
1099 	struct mfi_progress		clear;
1100 	struct mfi_progress		reserved[4];
1101 } __packed;
1102 
1103 struct mfi_pd_info {
1104 	union mfi_pd_ref		ref;
1105 	uint8_t				inquiry_data[96];
1106 	uint8_t				vpd_page83[64];
1107 	uint8_t				not_supported;
1108 	uint8_t				scsi_dev_type;
1109 	uint8_t				connected_port_bitmap;
1110 	uint8_t				device_speed;
1111 	uint32_t			media_err_count;
1112 	uint32_t			other_err_count;
1113 	uint32_t			pred_fail_count;
1114 	uint32_t			last_pred_fail_event_seq_num;
1115 	uint16_t			fw_state;	/* MFI_PD_STATE_* */
1116 	uint8_t				disabled_for_removal;
1117 	uint8_t				link_speed;
1118 	union mfi_pd_ddf_type		state;
1119 	struct {
1120 		uint8_t			count;
1121 		uint8_t			is_path_broken;
1122 		uint8_t			reserved[6];
1123 		uint64_t		sas_addr[4];
1124 	} path_info;
1125 	uint64_t			raw_size;
1126 	uint64_t			non_coerced_size;
1127 	uint64_t			coerced_size;
1128 	uint16_t			encl_device_id;
1129 	uint8_t				encl_index;
1130 	uint8_t				slot_number;
1131 	struct mfi_pd_progress		prog_info;
1132 	uint8_t				bad_block_table_full;
1133 	uint8_t				unusable_in_current_config;
1134 	uint8_t				vpd_page83_ext[64];
1135 	uint8_t				reserved[512-358];
1136 } __packed;
1137 
1138 struct mfi_pd_address {
1139 	uint16_t		device_id;
1140 	uint16_t		encl_device_id;
1141 	uint8_t			encl_index;
1142 	uint8_t			slot_number;
1143 	uint8_t			scsi_dev_type;	/* 0 = disk */
1144 	uint8_t			connect_port_bitmap;
1145 	uint64_t		sas_addr[2];
1146 } __packed;
1147 
1148 #define MAX_SYS_PDS 240
1149 struct mfi_pd_list {
1150 	uint32_t		size;
1151 	uint32_t		count;
1152 	struct mfi_pd_address	addr[MAX_SYS_PDS];
1153 } __packed;
1154 
1155 enum mfi_pd_state {
1156 	MFI_PD_STATE_UNCONFIGURED_GOOD = 0x00,
1157 	MFI_PD_STATE_UNCONFIGURED_BAD = 0x01,
1158 	MFI_PD_STATE_HOT_SPARE = 0x02,
1159 	MFI_PD_STATE_OFFLINE = 0x10,
1160 	MFI_PD_STATE_FAILED = 0x11,
1161 	MFI_PD_STATE_REBUILD = 0x14,
1162 	MFI_PD_STATE_ONLINE = 0x18,
1163 	MFI_PD_STATE_COPYBACK = 0x20,
1164 	MFI_PD_STATE_SYSTEM = 0x40
1165 };
1166 
1167 union mfi_ld_ref {
1168 	struct {
1169 		uint8_t		target_id;
1170 		uint8_t		reserved;
1171 		uint16_t	seq;
1172 	} v;
1173 	uint32_t		ref;
1174 } __packed;
1175 
1176 struct mfi_ld_list {
1177 	uint32_t		ld_count;
1178 	uint32_t		reserved1;
1179 	struct {
1180 		union mfi_ld_ref	ld;
1181 		uint8_t		state;
1182 		uint8_t		reserved2[3];
1183 		uint64_t	size;
1184 	} ld_list[MFI_MAX_LD];
1185 } __packed;
1186 
1187 enum mfi_ld_access {
1188 	MFI_LD_ACCESS_RW =	0,
1189 	MFI_LD_ACCSSS_RO = 	2,
1190 	MFI_LD_ACCESS_BLOCKED =	3,
1191 };
1192 #define MFI_LD_ACCESS_MASK	3
1193 
1194 enum mfi_ld_state {
1195 	MFI_LD_STATE_OFFLINE =			0,
1196 	MFI_LD_STATE_PARTIALLY_DEGRADED =	1,
1197 	MFI_LD_STATE_DEGRADED =			2,
1198 	MFI_LD_STATE_OPTIMAL =			3
1199 };
1200 
1201 struct mfi_ld_props {
1202 	union mfi_ld_ref	ld;
1203 	char			name[16];
1204 	uint8_t			default_cache_policy;
1205 	uint8_t			access_policy;
1206 	uint8_t			disk_cache_policy;
1207 	uint8_t			current_cache_policy;
1208 	uint8_t			no_bgi;
1209 	uint8_t			reserved[7];
1210 } __packed;
1211 
1212 struct mfi_ld_params {
1213 	uint8_t			primary_raid_level;
1214 	uint8_t			raid_level_qualifier;
1215 	uint8_t			secondary_raid_level;
1216 	uint8_t			stripe_size;
1217 	uint8_t			num_drives;
1218 	uint8_t			span_depth;
1219 	uint8_t			state;
1220 	uint8_t			init_state;
1221 #define	MFI_LD_PARAMS_INIT_NO		0
1222 #define	MFI_LD_PARAMS_INIT_QUICK	1
1223 #define	MFI_LD_PARAMS_INIT_FULL		2
1224 	uint8_t			is_consistent;
1225 	uint8_t			reserved1[6];
1226 	uint8_t			isSSCD;
1227 	uint8_t			reserved2[16];
1228 } __packed;
1229 
1230 struct mfi_ld_progress {
1231 	uint32_t		active;
1232 #define	MFI_LD_PROGRESS_CC	(1<<0)
1233 #define	MFI_LD_PROGRESS_BGI	(1<<1)
1234 #define	MFI_LD_PROGRESS_FGI	(1<<2)
1235 #define	MFI_LD_PROGRESS_RECON	(1<<3)
1236 	struct mfi_progress	cc;
1237 	struct mfi_progress	bgi;
1238 	struct mfi_progress	fgi;
1239 	struct mfi_progress	recon;
1240 	struct mfi_progress	reserved[4];
1241 } __packed;
1242 
1243 struct mfi_span {
1244 	uint64_t		start_block;
1245 	uint64_t		num_blocks;
1246 	uint16_t		array_ref;
1247 	uint8_t			reserved[6];
1248 } __packed;
1249 
1250 #define	MFI_MAX_SPAN_DEPTH	8
1251 struct mfi_ld_config {
1252 	struct mfi_ld_props	properties;
1253 	struct mfi_ld_params	params;
1254 	struct mfi_span		span[MFI_MAX_SPAN_DEPTH];
1255 } __packed;
1256 
1257 struct mfi_ld_info {
1258 	struct mfi_ld_config	ld_config;
1259 	uint64_t		size;
1260 	struct mfi_ld_progress	progress;
1261 	uint16_t		cluster_owner;
1262 	uint8_t			reconstruct_active;
1263 	uint8_t			reserved1[1];
1264 	uint8_t			vpd_page83[64];
1265 	uint8_t			reserved2[16];
1266 } __packed;
1267 
1268 #define MAX_ARRAYS 128
1269 struct mfi_spare {
1270 	union mfi_pd_ref	ref;
1271 	uint8_t			spare_type;
1272 #define	MFI_SPARE_DEDICATED	(1 << 0)
1273 #define	MFI_SPARE_REVERTIBLE	(1 << 1)
1274 #define	MFI_SPARE_ENCL_AFFINITY	(1 << 2)
1275 	uint8_t			reserved[2];
1276 	uint8_t			array_count;
1277 	uint16_t		array_ref[MAX_ARRAYS];
1278 } __packed;
1279 
1280 struct mfi_array {
1281 	uint64_t			size;
1282 	uint8_t				num_drives;
1283 	uint8_t				reserved;
1284 	uint16_t			array_ref;
1285 	uint8_t				pad[20];
1286 	struct {
1287 		union mfi_pd_ref	ref;	/* 0xffff == missing drive */
1288 		uint16_t		fw_state;	/* MFI_PD_STATE_* */
1289 		struct {
1290 			uint8_t		pd;
1291 			uint8_t		slot;
1292 		} encl;
1293 	} pd[0];
1294 } __packed;
1295 
1296 struct mfi_config_data {
1297 	uint32_t		size;
1298 	uint16_t		array_count;
1299 	uint16_t		array_size;
1300 	uint16_t		log_drv_count;
1301 	uint16_t		log_drv_size;
1302 	uint16_t		spares_count;
1303 	uint16_t		spares_size;
1304 	uint8_t			reserved[16];
1305 	struct mfi_array	array[0];
1306 	struct mfi_ld_config	ld[0];
1307 	struct mfi_spare	spare[0];
1308 } __packed;
1309 
1310 struct mfi_bbu_capacity_info {
1311 	uint16_t		relative_charge;
1312 	uint16_t		absolute_charge;
1313 	uint16_t		remaining_capacity;
1314 	uint16_t		full_charge_capacity;
1315 	uint16_t		run_time_to_empty;
1316 	uint16_t		average_time_to_empty;
1317 	uint16_t		average_time_to_full;
1318 	uint16_t		cycle_count;
1319 	uint16_t		max_error;
1320 	uint16_t		remaining_capacity_alarm;
1321 	uint16_t		remaining_time_alarm;
1322 	uint8_t			reserved[26];
1323 } __packed;
1324 
1325 struct mfi_bbu_design_info {
1326 	uint32_t		mfg_date;
1327 	uint16_t		design_capacity;
1328 	uint16_t		design_voltage;
1329 	uint16_t		spec_info;
1330 	uint16_t		serial_number;
1331 	uint16_t		pack_stat_config;
1332 	uint8_t			mfg_name[12];
1333 	uint8_t			device_name[8];
1334 	uint8_t			device_chemistry[8];
1335 	uint8_t			mfg_data[8];
1336 	uint8_t			reserved[17];
1337 } __packed;
1338 
1339 struct mfi_ibbu_state {
1340 	uint16_t		gas_guage_status;
1341 	uint16_t		relative_charge;
1342 	uint16_t		charger_system_state;
1343 	uint16_t		charger_system_ctrl;
1344 	uint16_t		charging_current;
1345 	uint16_t		absolute_charge;
1346 	uint16_t		max_error;
1347 	uint8_t			reserved[18];
1348 } __packed;
1349 
1350 struct mfi_bbu_state {
1351 	uint16_t		gas_guage_status;
1352 	uint16_t		relative_charge;
1353 	uint16_t		charger_status;
1354 	uint16_t		remaining_capacity;
1355 	uint16_t		full_charge_capacity;
1356 	uint8_t			is_SOH_good;
1357 	uint8_t			reserved[21];
1358 } __packed;
1359 
1360 union mfi_bbu_status_detail {
1361 	struct mfi_ibbu_state	ibbu;
1362 	struct mfi_bbu_state	bbu;
1363 };
1364 
1365 struct mfi_bbu_status {
1366 	uint8_t			battery_type;
1367 #define	MFI_BBU_TYPE_NONE	0
1368 #define	MFI_BBU_TYPE_IBBU	1
1369 #define	MFI_BBU_TYPE_BBU	2
1370 	uint8_t			reserved;
1371 	uint16_t		voltage;
1372 	int16_t			current;
1373 	uint16_t		temperature;
1374 	uint32_t		fw_status;
1375 #define	MFI_BBU_STATE_PACK_MISSING	(1 << 0)
1376 #define	MFI_BBU_STATE_VOLTAGE_LOW	(1 << 1)
1377 #define	MFI_BBU_STATE_TEMPERATURE_HIGH	(1 << 2)
1378 #define	MFI_BBU_STATE_CHARGE_ACTIVE	(1 << 0)
1379 #define	MFI_BBU_STATE_DISCHARGE_ACTIVE	(1 << 0)
1380 	uint8_t			pad[20];
1381 	union mfi_bbu_status_detail detail;
1382 } __packed;
1383 
1384 enum mfi_pr_state {
1385 	MFI_PR_STATE_STOPPED = 0,
1386 	MFI_PR_STATE_READY = 1,
1387 	MFI_PR_STATE_ACTIVE = 2,
1388 	MFI_PR_STATE_ABORTED = 0xff
1389 };
1390 
1391 struct mfi_pr_status {
1392 	uint32_t		num_iteration;
1393 	uint8_t			state;
1394 	uint8_t			num_pd_done;
1395 	uint8_t			reserved[10];
1396 };
1397 
1398 enum mfi_pr_opmode {
1399 	MFI_PR_OPMODE_AUTO = 0,
1400 	MFI_PR_OPMODE_MANUAL = 1,
1401 	MFI_PR_OPMODE_DISABLED = 2
1402 };
1403 
1404 struct mfi_pr_properties {
1405 	uint8_t			op_mode;
1406 	uint8_t			max_pd;
1407 	uint8_t			reserved;
1408 	uint8_t			exclude_ld_count;
1409 	uint16_t		excluded_ld[MFI_MAX_LD];
1410 	uint8_t			cur_pd_map[MFI_MAX_PD / 8];
1411 	uint8_t			last_pd_map[MFI_MAX_PD / 8];
1412 	uint32_t		next_exec;
1413 	uint32_t		exec_freq;
1414 	uint32_t		clear_freq;
1415 };
1416 
1417 /* ThunderBolt support */
1418 
1419 /*
1420  * Raid Context structure which describes MegaRAID specific IO Paramenters
1421  * This resides at offset 0x60 where the SGL normally starts in MPT IO Frames
1422  */
1423 typedef struct _MPI2_SCSI_IO_VENDOR_UNIQUE {
1424 	uint16_t	resvd0;		/* 0x00 - 0x01 */
1425 	uint16_t	timeoutValue;	/* 0x02 - 0x03 */
1426 	uint8_t		regLockFlags;
1427 	uint8_t		armId;
1428 	uint16_t	TargetID;	/* 0x06 - 0x07 */
1429 
1430 	uint64_t	RegLockLBA;	/* 0x08 - 0x0F */
1431 
1432 	uint32_t	RegLockLength;	/* 0x10 - 0x13 */
1433 
1434 	uint16_t	SMID;		/* 0x14 - 0x15 nextLMId */
1435 	uint8_t		exStatus;	/* 0x16 */
1436 	uint8_t		Status;		/* 0x17 status */
1437 
1438 	uint8_t		RAIDFlags;	/* 0x18 */
1439 	uint8_t		numSGE;		/* 0x19 numSge */
1440 	uint16_t	configSeqNum;	/* 0x1A - 0x1B */
1441 	uint8_t		spanArm;	/* 0x1C */
1442 	uint8_t		resvd2[3];	/* 0x1D - 0x1F */
1443 } MPI2_SCSI_IO_VENDOR_UNIQUE, MPI25_SCSI_IO_VENDOR_UNIQUE;
1444 
1445 /*** DJA *****/
1446 
1447 /*****************************************************************************
1448 *
1449 *        Message Functions
1450 *
1451 *****************************************************************************/
1452 
1453 #define NA_MPI2_FUNCTION_SCSI_IO_REQUEST            (0x00) /* SCSI IO */
1454 #define MPI2_FUNCTION_SCSI_TASK_MGMT                (0x01) /* SCSI Task Management */
1455 #define MPI2_FUNCTION_IOC_INIT                      (0x02) /* IOC Init */
1456 #define MPI2_FUNCTION_IOC_FACTS                     (0x03) /* IOC Facts */
1457 #define MPI2_FUNCTION_CONFIG                        (0x04) /* Configuration */
1458 #define MPI2_FUNCTION_PORT_FACTS                    (0x05) /* Port Facts */
1459 #define MPI2_FUNCTION_PORT_ENABLE                   (0x06) /* Port Enable */
1460 #define MPI2_FUNCTION_EVENT_NOTIFICATION            (0x07) /* Event Notification */
1461 #define MPI2_FUNCTION_EVENT_ACK                     (0x08) /* Event Acknowledge */
1462 #define MPI2_FUNCTION_FW_DOWNLOAD                   (0x09) /* FW Download */
1463 #define MPI2_FUNCTION_TARGET_ASSIST                 (0x0B) /* Target Assist */
1464 #define MPI2_FUNCTION_TARGET_STATUS_SEND            (0x0C) /* Target Status Send */
1465 #define MPI2_FUNCTION_TARGET_MODE_ABORT             (0x0D) /* Target Mode Abort */
1466 #define MPI2_FUNCTION_FW_UPLOAD                     (0x12) /* FW Upload */
1467 #define MPI2_FUNCTION_RAID_ACTION                   (0x15) /* RAID Action */
1468 #define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH      (0x16) /* SCSI IO RAID Passthrough */
1469 #define MPI2_FUNCTION_TOOLBOX                       (0x17) /* Toolbox */
1470 #define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR      (0x18) /* SCSI Enclosure Processor */
1471 #define MPI2_FUNCTION_SMP_PASSTHROUGH               (0x1A) /* SMP Passthrough */
1472 #define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL           (0x1B) /* SAS IO Unit Control */
1473 #define MPI2_FUNCTION_SATA_PASSTHROUGH              (0x1C) /* SATA Passthrough */
1474 #define MPI2_FUNCTION_DIAG_BUFFER_POST              (0x1D) /* Diagnostic Buffer Post */
1475 #define MPI2_FUNCTION_DIAG_RELEASE                  (0x1E) /* Diagnostic Release */
1476 #define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST      (0x24) /* Target Command Buffer Post Base */
1477 #define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST      (0x25) /* Target Command Buffer Post List */
1478 #define MPI2_FUNCTION_RAID_ACCELERATOR              (0x2C) /* RAID Accelerator */
1479 #define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION   (0x2F) /* Host Based Discovery Action */
1480 #define MPI2_FUNCTION_PWR_MGMT_CONTROL              (0x30) /* Power Management Control */
1481 #define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC          (0xF0) /* beginning of product-specific range */
1482 #define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC          (0xFF) /* end of product-specific range */
1483 
1484 /* Doorbell functions */
1485 #define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET        (0x40)
1486 #define MPI2_FUNCTION_HANDSHAKE                     (0x42)
1487 
1488 /*****************************************************************************
1489 *
1490 *        MPI Version Definitions
1491 *
1492 *****************************************************************************/
1493 
1494 #define MPI2_VERSION_MAJOR                  (0x02)
1495 #define MPI2_VERSION_MINOR                  (0x00)
1496 #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
1497 #define MPI2_VERSION_MAJOR_SHIFT            (8)
1498 #define MPI2_VERSION_MINOR_MASK             (0x00FF)
1499 #define MPI2_VERSION_MINOR_SHIFT            (0)
1500 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) |   \
1501                                       MPI2_VERSION_MINOR)
1502 
1503 #define MPI2_VERSION_02_00                  (0x0200)
1504 
1505 /* versioning for this MPI header set */
1506 #define MPI2_HEADER_VERSION_UNIT            (0x10)
1507 #define MPI2_HEADER_VERSION_DEV             (0x00)
1508 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
1509 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
1510 #define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
1511 #define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
1512 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) |		\
1513 					MPI2_HEADER_VERSION_DEV)
1514 
1515 
1516 /* IOCInit Request message */
1517 struct MPI2_IOC_INIT_REQUEST {
1518 	uint8_t		WhoInit;                        /* 0x00 */
1519 	uint8_t		Reserved1;                      /* 0x01 */
1520 	uint8_t		ChainOffset;                    /* 0x02 */
1521 	uint8_t		Function;                       /* 0x03 */
1522 	uint16_t	Reserved2;                      /* 0x04 */
1523 	uint8_t		Reserved3;                      /* 0x06 */
1524 	uint8_t		MsgFlags;                       /* 0x07 */
1525 	uint8_t		VP_ID;                          /* 0x08 */
1526 	uint8_t		VF_ID;                          /* 0x09 */
1527 	uint16_t	Reserved4;                      /* 0x0A */
1528 	uint16_t	MsgVersion;                     /* 0x0C */
1529 	uint16_t	HeaderVersion;                  /* 0x0E */
1530 	uint32_t	Reserved5;                      /* 0x10 */
1531 	uint16_t	Reserved6;                      /* 0x14 */
1532 	uint8_t		Reserved7;                      /* 0x16 */
1533 	uint8_t		HostMSIxVectors;                /* 0x17 */
1534 	uint16_t	Reserved8;                      /* 0x18 */
1535 	uint16_t	SystemRequestFrameSize;         /* 0x1A */
1536 	uint16_t	ReplyDescriptorPostQueueDepth;  /* 0x1C */
1537 	uint16_t	ReplyFreeQueueDepth;            /* 0x1E */
1538 	uint32_t	SenseBufferAddressHigh;         /* 0x20 */
1539 	uint32_t	SystemReplyAddressHigh;         /* 0x24 */
1540 	uint64_t	SystemRequestFrameBaseAddress;  /* 0x28 */
1541 	uint64_t	ReplyDescriptorPostQueueAddress;/* 0x30 */
1542 	uint64_t	ReplyFreeQueueAddress;          /* 0x38 */
1543 	uint64_t	TimeStamp;                      /* 0x40 */
1544 };
1545 
1546 /* WhoInit values */
1547 #define MPI2_WHOINIT_NOT_INITIALIZED            (0x00)
1548 #define MPI2_WHOINIT_SYSTEM_BIOS                (0x01)
1549 #define MPI2_WHOINIT_ROM_BIOS                   (0x02)
1550 #define MPI2_WHOINIT_PCI_PEER                   (0x03)
1551 #define MPI2_WHOINIT_HOST_DRIVER                (0x04)
1552 #define MPI2_WHOINIT_MANUFACTURER               (0x05)
1553 
1554 struct MPI2_SGE_CHAIN_UNION {
1555 	uint16_t	Length;
1556 	uint8_t		NextChainOffset;
1557 	uint8_t		Flags;
1558 	union {
1559 		uint32_t	Address32;
1560 		uint64_t	Address64;
1561 	} u;
1562 };
1563 
1564 struct MPI2_IEEE_SGE_SIMPLE32 {
1565 	uint32_t	Address;
1566 	uint32_t	FlagsLength;
1567 };
1568 
1569 struct MPI2_IEEE_SGE_SIMPLE64 {
1570 	uint64_t	Address;
1571 	uint32_t	Length;
1572 	uint16_t	Reserved1;
1573 	uint8_t		Reserved2;
1574 	uint8_t		Flags;
1575 };
1576 
1577 typedef union _MPI2_IEEE_SGE_SIMPLE_UNION {
1578 	struct MPI2_IEEE_SGE_SIMPLE32	Simple32;
1579 	struct MPI2_IEEE_SGE_SIMPLE64	Simple64;
1580 } MPI2_IEEE_SGE_SIMPLE_UNION;
1581 
1582 typedef struct _MPI2_SGE_SIMPLE_UNION {
1583 	uint32_t	FlagsLength;
1584 	union {
1585 		uint32_t	Address32;
1586 		uint64_t	Address64;
1587 	} u;
1588 } MPI2_SGE_SIMPLE_UNION;
1589 
1590 /****************************************************************************
1591 *  IEEE SGE field definitions and masks
1592 ****************************************************************************/
1593 
1594 /* Flags field bit definitions */
1595 
1596 #define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK   (0x80)
1597 
1598 #define MPI2_IEEE32_SGE_FLAGS_SHIFT             (24)
1599 
1600 #define MPI2_IEEE32_SGE_LENGTH_MASK             (0x00FFFFFF)
1601 
1602 /* Element Type */
1603 
1604 #define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT      (0x00)
1605 #define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT       (0x80)
1606 
1607 /* Data Location Address Space */
1608 
1609 #define MPI2_IEEE_SGE_FLAGS_ADDR_MASK           (0x03)
1610 #define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR         (0x00)
1611 #define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR         (0x01)
1612 #define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR         (0x02)
1613 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03)
1614 
1615 /* Address Size */
1616 
1617 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
1618 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
1619 
1620 /*******************/
1621 /* SCSI IO Control bits */
1622 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_MASK      (0xFC000000)
1623 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT     (26)
1624 
1625 #define MPI2_SCSIIO_CONTROL_DATADIRECTION_MASK  (0x03000000)
1626 #define MPI2_SCSIIO_CONTROL_NODATATRANSFER      (0x00000000)
1627 #define MPI2_SCSIIO_CONTROL_WRITE               (0x01000000)
1628 #define MPI2_SCSIIO_CONTROL_READ                (0x02000000)
1629 #define MPI2_SCSIIO_CONTROL_BIDIRECTIONAL       (0x03000000)
1630 
1631 #define MPI2_SCSIIO_CONTROL_TASKPRI_MASK        (0x00007800)
1632 #define MPI2_SCSIIO_CONTROL_TASKPRI_SHIFT       (11)
1633 
1634 #define MPI2_SCSIIO_CONTROL_TASKATTRIBUTE_MASK  (0x00000700)
1635 #define MPI2_SCSIIO_CONTROL_SIMPLEQ             (0x00000000)
1636 #define MPI2_SCSIIO_CONTROL_HEADOFQ             (0x00000100)
1637 #define MPI2_SCSIIO_CONTROL_ORDEREDQ            (0x00000200)
1638 #define MPI2_SCSIIO_CONTROL_ACAQ                (0x00000400)
1639 
1640 #define MPI2_SCSIIO_CONTROL_TLR_MASK            (0x000000C0)
1641 #define MPI2_SCSIIO_CONTROL_NO_TLR              (0x00000000)
1642 #define MPI2_SCSIIO_CONTROL_TLR_ON              (0x00000040)
1643 #define MPI2_SCSIIO_CONTROL_TLR_OFF             (0x00000080)
1644 
1645 /*******************/
1646 
1647 typedef struct {
1648 	uint8_t		CDB[20];                    /* 0x00 */
1649 	uint32_t	PrimaryReferenceTag;        /* 0x14 */
1650 	uint16_t	PrimaryApplicationTag;      /* 0x18 */
1651 	uint16_t	PrimaryApplicationTagMask;  /* 0x1A */
1652 	uint32_t	TransferLength;             /* 0x1C */
1653 } MPI2_SCSI_IO_CDB_EEDP32;
1654 
1655 
1656 typedef union _MPI2_IEEE_SGE_CHAIN_UNION {
1657 	struct MPI2_IEEE_SGE_SIMPLE32	Chain32;
1658 	struct MPI2_IEEE_SGE_SIMPLE64	Chain64;
1659 } MPI2_IEEE_SGE_CHAIN_UNION;
1660 
1661 typedef union _MPI2_SIMPLE_SGE_UNION {
1662 	MPI2_SGE_SIMPLE_UNION		MpiSimple;
1663 	MPI2_IEEE_SGE_SIMPLE_UNION	IeeeSimple;
1664 } MPI2_SIMPLE_SGE_UNION;
1665 
1666 typedef union _MPI2_SGE_IO_UNION {
1667 	MPI2_SGE_SIMPLE_UNION		MpiSimple;
1668 	struct MPI2_SGE_CHAIN_UNION	MpiChain;
1669 	MPI2_IEEE_SGE_SIMPLE_UNION	IeeeSimple;
1670 	MPI2_IEEE_SGE_CHAIN_UNION	IeeeChain;
1671 } MPI2_SGE_IO_UNION;
1672 
1673 typedef union {
1674 	uint8_t			CDB32[32];
1675 	MPI2_SCSI_IO_CDB_EEDP32	EEDP32;
1676 	MPI2_SGE_SIMPLE_UNION	SGE;
1677 } MPI2_SCSI_IO_CDB_UNION;
1678 
1679 
1680 /* MPI 2.5 SGLs */
1681 
1682 #define MPI25_IEEE_SGE_FLAGS_END_OF_LIST        (0x40)
1683 
1684 typedef struct _MPI25_IEEE_SGE_CHAIN64 {
1685 	uint64_t	Address;
1686 	uint32_t	Length;
1687 	uint16_t	Reserved1;
1688 	uint8_t		NextChainOffset;
1689 	uint8_t		Flags;
1690 } MPI25_IEEE_SGE_CHAIN64, *pMpi25IeeeSgeChain64_t;
1691 
1692 /* use MPI2_IEEE_SGE_FLAGS_ defines for the Flags field */
1693 
1694 
1695 /********/
1696 
1697 /*
1698  * RAID SCSI IO Request Message
1699  * Total SGE count will be one less than  _MPI2_SCSI_IO_REQUEST
1700  */
1701 struct mfi_mpi2_request_raid_scsi_io {
1702 	uint16_t		DevHandle;                      /* 0x00 */
1703 	uint8_t			ChainOffset;                    /* 0x02 */
1704 	uint8_t			Function;                       /* 0x03 */
1705 	uint16_t		Reserved1;                      /* 0x04 */
1706 	uint8_t			Reserved2;                      /* 0x06 */
1707 	uint8_t			MsgFlags;                       /* 0x07 */
1708 	uint8_t			VP_ID;                          /* 0x08 */
1709 	uint8_t			VF_ID;                          /* 0x09 */
1710 	uint16_t		Reserved3;                      /* 0x0A */
1711 	uint32_t		SenseBufferLowAddress;          /* 0x0C */
1712 	uint16_t		SGLFlags;                       /* 0x10 */
1713 	uint8_t			SenseBufferLength;              /* 0x12 */
1714 	uint8_t			Reserved4;                      /* 0x13 */
1715 	uint8_t			SGLOffset0;                     /* 0x14 */
1716 	uint8_t			SGLOffset1;                     /* 0x15 */
1717 	uint8_t			SGLOffset2;                     /* 0x16 */
1718 	uint8_t			SGLOffset3;                     /* 0x17 */
1719 	uint32_t		SkipCount;                      /* 0x18 */
1720 	uint32_t		DataLength;                     /* 0x1C */
1721 	uint32_t		BidirectionalDataLength;        /* 0x20 */
1722 	uint16_t		IoFlags;                        /* 0x24 */
1723 	uint16_t		EEDPFlags;                      /* 0x26 */
1724 	uint32_t		EEDPBlockSize;                  /* 0x28 */
1725 	uint32_t		SecondaryReferenceTag;          /* 0x2C */
1726 	uint16_t		SecondaryApplicationTag;        /* 0x30 */
1727 	uint16_t		ApplicationTagTranslationMask;  /* 0x32 */
1728 	uint8_t			LUN[8];                         /* 0x34 */
1729 	uint32_t		Control;                        /* 0x3C */
1730 	MPI2_SCSI_IO_CDB_UNION	CDB;                            /* 0x40 */
1731 	MPI2_SCSI_IO_VENDOR_UNIQUE	RaidContext;              /* 0x60 */
1732 	MPI2_SGE_IO_UNION	SGL;                            /* 0x80 */
1733 } __packed;
1734 
1735 /*
1736  * MPT RAID MFA IO Descriptor.
1737  */
1738 typedef struct _MFI_RAID_MFA_IO_DESCRIPTOR {
1739 	uint32_t	RequestFlags : 8;
1740 	uint32_t	MessageAddress1 : 24; /* bits 31:8*/
1741 	uint32_t	MessageAddress2;      /* bits 61:32 */
1742 } MFI_RAID_MFA_IO_REQUEST_DESCRIPTOR,*PMFI_RAID_MFA_IO_REQUEST_DESCRIPTOR;
1743 
1744 struct mfi_mpi2_request_header {
1745 	uint8_t		RequestFlags;       /* 0x00 */
1746 	uint8_t		MSIxIndex;          /* 0x01 */
1747 	uint16_t	SMID;               /* 0x02 */
1748 	uint16_t	LMID;               /* 0x04 */
1749 };
1750 
1751 /* defines for the RequestFlags field */
1752 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK               (0x0E)
1753 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
1754 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET             (0x02)
1755 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY           (0x06)
1756 #define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE            (0x08)
1757 #define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR        (0x0A)
1758 
1759 #define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER (0x01)
1760 
1761 struct mfi_mpi2_request_high_priority {
1762 	struct mfi_mpi2_request_header	header;
1763 	uint16_t			reserved;
1764 };
1765 
1766 struct mfi_mpi2_request_scsi_io {
1767 	struct mfi_mpi2_request_header	header;
1768 	uint16_t			scsi_io_dev_handle;
1769 };
1770 
1771 struct mfi_mpi2_request_scsi_target {
1772 	struct mfi_mpi2_request_header	header;
1773 	uint16_t			scsi_target_io_index;
1774 };
1775 
1776 /* Request Descriptors */
1777 union mfi_mpi2_request_descriptor {
1778 	struct mfi_mpi2_request_header		header;
1779 	struct mfi_mpi2_request_high_priority	high_priority;
1780 	struct mfi_mpi2_request_scsi_io		scsi_io;
1781 	struct mfi_mpi2_request_scsi_target	scsi_target;
1782 	uint64_t				words;
1783 };
1784 
1785 
1786 struct mfi_mpi2_reply_header {
1787 	uint8_t		ReplyFlags;                 /* 0x00 */
1788 	uint8_t		MSIxIndex;                  /* 0x01 */
1789 	uint16_t	SMID;                       /* 0x02 */
1790 };
1791 
1792 /* defines for the ReplyFlags field */
1793 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK                   (0x0F)
1794 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS             (0x00)
1795 #define MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY               (0x01)
1796 #define MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS        (0x02)
1797 #define MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER       (0x03)
1798 #define MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS    (0x05)
1799 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED                      (0x0F)
1800 
1801 /* values for marking a reply descriptor as unused */
1802 #define MPI2_RPY_DESCRIPT_UNUSED_WORD0_MARK             (0xFFFFFFFF)
1803 #define MPI2_RPY_DESCRIPT_UNUSED_WORD1_MARK             (0xFFFFFFFF)
1804 
1805 struct mfi_mpi2_reply_default {
1806 	struct mfi_mpi2_reply_header	header;
1807 	uint32_t			DescriptorTypeDependent2;
1808 };
1809 
1810 struct mfi_mpi2_reply_address {
1811 	struct mfi_mpi2_reply_header	header;
1812 	uint32_t			ReplyFrameAddress;
1813 };
1814 
1815 struct mfi_mpi2_reply_scsi_io {
1816 	struct mfi_mpi2_reply_header	header;
1817 	uint16_t			TaskTag;		/* 0x04 */
1818 	uint16_t			Reserved1;		/* 0x06 */
1819 };
1820 
1821 struct mfi_mpi2_reply_target_assist {
1822 	struct mfi_mpi2_reply_header	header;
1823 	uint8_t				SequenceNumber;		/* 0x04 */
1824 	uint8_t				Reserved1;		/* 0x04 */
1825 	uint16_t			IoIndex;		/* 0x06 */
1826 };
1827 
1828 struct mfi_mpi2_reply_target_cmd_buffer {
1829 	struct mfi_mpi2_reply_header	header;
1830 	uint8_t				SequenceNumber;		/* 0x04 */
1831 	uint8_t				Flags;			/* 0x04 */
1832 	uint16_t			InitiatorDevHandle;	/* 0x06 */
1833 	uint16_t			IoIndex;		/* 0x06 */
1834 };
1835 
1836 struct mfi_mpi2_reply_raid_accel {
1837 	struct mfi_mpi2_reply_header	header;
1838 	uint8_t				SequenceNumber;		/* 0x04 */
1839 	uint32_t			Reserved;		/* 0x04 */
1840 };
1841 
1842 /* union of Reply Descriptors */
1843 union mfi_mpi2_reply_descriptor {
1844 	struct mfi_mpi2_reply_header		header;
1845 	struct mfi_mpi2_reply_scsi_io		scsi_io;
1846 	struct mfi_mpi2_reply_target_assist	target_assist;
1847 	struct mfi_mpi2_reply_target_cmd_buffer	target_cmd;
1848 	struct mfi_mpi2_reply_raid_accel	raid_accel;
1849 	struct mfi_mpi2_reply_default		reply_default;
1850 	uint64_t				words;
1851 };
1852 
1853 struct IO_REQUEST_INFO {
1854 	uint64_t	ldStartBlock;
1855 	uint32_t	numBlocks;
1856 	uint16_t	ldTgtId;
1857 	uint8_t		isRead;
1858 	uint16_t	devHandle;
1859 	uint64_t	pdBlock;
1860 	uint8_t		fpOkForIo;
1861 };
1862 
1863 #define MFI_SCSI_MAX_TARGETS	128
1864 #define MFI_SCSI_MAX_LUNS	8
1865 #define MFI_SCSI_INITIATOR_ID	255
1866 #define MFI_SCSI_MAX_CMDS	8
1867 #define MFI_SCSI_MAX_CDB_LEN	16
1868 
1869 #endif /* _MFIREG_H */
1870