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      1 /* $NetBSD: mfireg.h,v 1.25 2024/02/13 14:56:52 msaitoh Exp $ */
      2 /* $OpenBSD: mfireg.h,v 1.24 2006/06/19 19:05:45 marco Exp $ */
      3 /*
      4  * Copyright (c) 2006 Marco Peereboom <marco (at) peereboom.us>
      5  *
      6  * Permission to use, copy, modify, and distribute this software for any
      7  * purpose with or without fee is hereby granted, provided that the above
      8  * copyright notice and this permission notice appear in all copies.
      9  *
     10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     17  */
     18 
     19 /*-
     20  * Copyright (c) 2007 LSI Corp.
     21  * Copyright (c) 2007 Rajesh Prabhakaran.
     22  * All rights reserved.
     23  *
     24  * Redistribution and use in source and binary forms, with or without
     25  * modification, are permitted provided that the following conditions
     26  * are met:
     27  * 1. Redistributions of source code must retain the above copyright
     28  *    notice, this list of conditions and the following disclaimer.
     29  * 2. Redistributions in binary form must reproduce the above copyright
     30  *    notice, this list of conditions and the following disclaimer in the
     31  *    documentation and/or other materials provided with the distribution.
     32  *
     33  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     34  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     35  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     36  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     37  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     38  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     39  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     40  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     41  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     42  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     43  * SUCH DAMAGE.
     44  */
     45 
     46 #ifndef _DEV_IC_MFIREG_H_
     47 #define _DEV_IC_MFIREG_H_
     48 
     49 /* management interface constants */
     50 #define MFI_MGMT_VD			0x01
     51 #define MFI_MGMT_SD			0x02
     52 
     53 /* generic constants */
     54 #define MFI_FRAME_SIZE			64
     55 #define MFI_SENSE_SIZE			128
     56 #define MFI_OSTS_INTR_VALID		0x00000002 /* valid interrupt */
     57 #define MFI_OSTS_PPC_INTR_VALID		0x80000000
     58 #define MFI_OSTS_GEN2_INTR_VALID	(0x00000001 | 0x00000004)
     59 #define MFI_INVALID_CTX			0xffffffff
     60 #define MFI_ENABLE_INTR			0x01
     61 #define MFI_MAXFER			MAXPHYS	/* XXX bogus */
     62 #define MFI_SECTOR_LEN			512
     63 
     64 /* register offsets */
     65 #define MFI_IMSG0			0x10 /* inbound msg 0 */
     66 #define MFI_IMSG1			0x14 /* inbound msg 1 */
     67 #define MFI_OMSG0			0x18 /* outbound msg 0 */
     68 #define MFI_OMSG1			0x1c /* outbound msg 1 */
     69 #define MFI_IDB				0x20 /* inbound doorbell */
     70 #define MFI_ISTS			0x24 /* inbound intr stat */
     71 #define MFI_IMSK			0x28 /* inbound intr mask */
     72 #define MFI_ODB				0x2c /* outbound doorbell */
     73 #define MFI_OSTS			0x30 /* outbound intr stat */
     74 #define MFI_OMSK			0x34 /* outbound inter mask */
     75 #define MFI_IQP				0x40 /* inbound queue port */
     76 #define MFI_OQP				0x44 /* outbound queue port */
     77 #define MFI_ODC				0xa0 /* outbound doorbell clr */
     78 #define MFI_OSP				0xb0 /* outbound scratch pad */
     79 
     80 /* ThunderBolt specific Register */
     81 #define MFI_RPI				0x6c /* reply_post_host_index */
     82 #define MFI_ILQP			0xc0 /* inbound_low_queue_port */
     83 #define MFI_IHQP			0xc4 /* inbound_high_queue_port */
     84 
     85 /* Aero specific Register */
     86 #define MFI_ISQP			0xc8 /* inbound_single_queue_port */
     87 
     88 /* OCR registers */
     89 #define MFI_WSR				0x004 /* write sequence register */
     90 #define MFI_HDR				0x008 /* host diagnostic register */
     91 #define MFI_RSR				0x3c3 /* Reset Status Register */
     92 
     93 /* OCR specific flags */
     94 #define MFI_FIRMWARE_STATE_CHANGE	0x00000002
     95 #define MFI_STATE_CHANGE_INTERRUPT	0x00000004
     96 
     97 /*
     98  * skinny specific changes
     99 */
    100 #define MFI_SKINNY_IDB			0x00 /* Inbound doorbell is at 0x00 for skinny */
    101 #define MFI_IQPL			0x000000c0
    102 #define MFI_IQPH			0x000000c4
    103 #define MFI_OSTS_SKINNY_INTR_VALID	0x00000001
    104 
    105 /* * firmware states */
    106 #define MFI_STATE_MASK			0xf0000000
    107 #define MFI_STATE_UNDEFINED		0x00000000
    108 #define MFI_STATE_BB_INIT		0x10000000
    109 #define MFI_STATE_FW_INIT		0x40000000
    110 #define MFI_STATE_WAIT_HANDSHAKE	0x60000000
    111 #define MFI_STATE_FW_INIT_2		0x70000000
    112 #define MFI_STATE_DEVICE_SCAN		0x80000000
    113 #define MFI_STATE_BOOT_MESSAGE_PENDING	0x90000000
    114 #define MFI_STATE_FLUSH_CACHE		0xa0000000
    115 #define MFI_STATE_READY			0xb0000000
    116 #define MFI_STATE_OPERATIONAL		0xc0000000
    117 #define MFI_STATE_FAULT			0xf0000000
    118 #define MFI_STATE_MAXSGL_MASK		0x00ff0000
    119 #define MFI_STATE_MAXCMD_MASK		0x0000ffff
    120 #define MFI_STATE_HOSTMEMREQD_MASK	0x08000000
    121 #define MFI_STATE_BOOT_MESSAGE_PENDING	0x90000000
    122 #define MFI_RESET_REQUIRED		0x00000001
    123 
    124 /* ThunderBolt Support */
    125 #define MFI_STATE_TB_MASK		0xf0000000
    126 #define MFI_STATE_TB_RESET		0x00000000
    127 #define MFI_STATE_TB_READY		0x10000000
    128 #define MFI_STATE_TB_OPERATIONAL	0x20000000
    129 #define MFI_STATE_TB_FAULT		0x40000000
    130 
    131 /* Aero Support */
    132 #define MFI_STATE_ATOMIC_DESCRIPTOR	0x01000000
    133 
    134 /* command reset register */
    135 #define MFI_INIT_ABORT			0x00000001
    136 #define MFI_INIT_READY			0x00000002
    137 #define MFI_INIT_MFIMODE		0x00000004
    138 #define MFI_INIT_CLEAR_HANDSHAKE	0x00000008
    139 #define MFI_INIT_HOTPLUG		0x00000010
    140 #define MFI_RESET_FLAGS			MFI_INIT_READY | MFI_INIT_MFIMODE | \
    141 					MFI_INIT_ABORT
    142 #define MFI_INIT_HOTPLUG		0x00000010
    143 
    144 /* ADP reset flags */
    145 #define MFI_STOP_ADP			0x00000020
    146 #define MFI_ADP_RESET			0x00000040
    147 #define DIAG_WRITE_ENABLE		0x00000080
    148 #define DIAG_RESET_ADAPTER		0x00000004
    149 
    150 /* mfi Frame flags */
    151 #define MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
    152 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE	0x0001
    153 #define MFI_FRAME_SGL32				0x0000
    154 #define MFI_FRAME_SGL64				0x0002
    155 #define MFI_FRAME_SENSE32			0x0000
    156 #define MFI_FRAME_SENSE64			0x0004
    157 #define MFI_FRAME_DIR_NONE			0x0000
    158 #define MFI_FRAME_DIR_WRITE			0x0008
    159 #define MFI_FRAME_DIR_READ			0x0010
    160 #define MFI_FRAME_DIR_BOTH			0x0018
    161 #define MFI_FRAME_IEEE_SGL			0x0020
    162 
    163 /* ThunderBolt Specific */
    164 
    165 /*
    166  * Pre-TB command size and TB command size.
    167  * We will be checking it at the load time for the time being
    168  */
    169 #define MR_COMMAND_SIZE (MFI_FRAME_SIZE*20) /* 1280 bytes */
    170 
    171 #define MEGASAS_THUNDERBOLT_MSG_ALIGNMENT	256
    172 /*
    173  * We are defining only 128 byte message to reduce memory move over head
    174  * and also it will reduce the SRB extension size by 128byte compared with
    175  * 256 message size
    176  */
    177 #define MEGASAS_THUNDERBOLT_NEW_MSG_SIZE	256
    178 #define MEGASAS_THUNDERBOLT_MAX_COMMANDS	1024
    179 #define MEGASAS_THUNDERBOLT_MAX_REPLY_COUNT	1024
    180 #define MEGASAS_THUNDERBOLT_REPLY_SIZE		8
    181 #define MEGASAS_THUNDERBOLT_MAX_CHAIN_COUNT	1
    182 #define MEGASAS_MAX_SZ_CHAIN_FRAME		1024
    183 
    184 /*
    185  * Calculating how many SGEs allowed in an allocated main message
    186  * (size of the Message - Raid SCSI IO message size(except SGE))
    187  * / size of SGE
    188  * (0x100 - (0x90 - 0x10)) / 0x10 = 8
    189  */
    190 #define MEGASAS_THUNDERBOLT_MAX_SGE_IN_MAINMSG \
    191  ((MEGASAS_THUNDERBOLT_NEW_MSG_SIZE - \
    192    (sizeof(struct mfi_mpi2_request_raid_scsi_io) - sizeof(mpi2_sge_io_union))\
    193   ) / sizeof(mpi2_sge_io_union))
    194 
    195 /*
    196  * (Command frame size allocated in SRB ext - Raid SCSI IO message size)
    197  * / size of SGL ;
    198  * (1280 - 256) / 16 = 64
    199  */
    200 #define MEGASAS_THUNDERBOLT_MAX_SGE_IN_CHAINMSG \
    201   ((MR_COMMAND_SIZE - MEGASAS_THUNDERBOLT_NEW_MSG_SIZE) / \
    202    sizeof(mpi2_sge_io_union))
    203 
    204 /*
    205  * This is the offset in number of 4 * 32bit words to the next chain
    206  * (0x100 - 0x10)/0x10 = 0xF(15)
    207  */
    208 #define MEGASAS_THUNDERBOLT_CHAIN_OFF_MAINMSG \
    209   ((MEGASAS_THUNDERBOLT_NEW_MSG_SIZE - sizeof(mpi2_sge_io_union)) / 16)
    210 
    211 #define MEGASAS_THUNDERBOLT_CHAIN_OFF_MPT_PTMSG \
    212   (offsetof(struct mfi_mpi2_request_raid_scsi_io, SGL) / 16)
    213 
    214 #define MPI2_FUNCTION_PASSTHRU_IO_REQUEST	0xF0
    215 #define MPI2_FUNCTION_LD_IO_REQUEST		0xF1
    216 
    217 #define MR_INTERNAL_MFI_FRAMES_SMID		1
    218 #define MR_CTRL_EVENT_WAIT_SMID			2
    219 #define MR_INTERNAL_DRIVER_RESET_SMID		3
    220 
    221 /* mfi command opcodes */
    222 #define MFI_CMD_INIT			0x00
    223 #define MFI_CMD_LD_READ			0x01
    224 #define MFI_CMD_LD_WRITE		0x02
    225 #define MFI_CMD_LD_SCSI_IO		0x03
    226 #define MFI_CMD_PD_SCSI_IO		0x04
    227 #define MFI_CMD_DCMD			0x05
    228 #define MFI_CMD_ABORT			0x06
    229 #define MFI_CMD_SMP			0x07
    230 #define MFI_CMD_STP			0x08
    231 
    232 /* direct commands */
    233 #define MR_DCMD_CTRL_GET_INFO		0x01010000
    234 #define MR_DCMD_CTRL_CACHE_FLUSH	0x01101000
    235 #define   MR_FLUSH_CTRL_CACHE		0x01
    236 #define   MR_FLUSH_DISK_CACHE		0x02
    237 #define MR_DCMD_CTRL_HOST_MEM_ALLOC	0x0100e100
    238 #define MR_DCMD_CTRL_SHUTDOWN		0x01050000
    239 #define   MR_ENABLE_DRIVE_SPINDOWN	0x01
    240 #define MR_DCMD_CTRL_EVENT_GET_INFO	0x01040100
    241 #define MR_DCMD_CTRL_EVENT_GET		0x01040300
    242 #define MR_DCMD_CTRL_EVENT_WAIT		0x01040500
    243 #define MR_DCMD_PD_GET_LIST		0x02010000
    244 #define MR_DCMD_PD_LIST_QUERY		0x02010100
    245 #define MR_DCMD_PD_GET_INFO		0x02020000
    246 #define MR_DCMD_PD_SET_STATE		0x02030100
    247 #define MR_DCMD_PD_REBUILD		0x02040100
    248 #define MR_DCMD_PD_BLINK		0x02070100
    249 #define MR_DCMD_PD_UNBLINK		0x02070200
    250 #define MR_DCMD_LD_MAP_GET_INFO		0x0300e101
    251 #define MR_DCMD_LD_SYNC			0x0300e102
    252 #define MR_DCMD_LD_GET_LIST		0x03010000
    253 #define MR_DCMD_LD_GET_INFO		0x03020000
    254 #define MR_DCMD_LD_GET_PROPERTIES	0x03030000
    255 #define MR_DCMD_CONF_GET		0x04010000
    256 #define MR_DCMD_CFG_ADD			0x04020000
    257 #define MR_DCMD_CFG_CLEAR		0x04030000
    258 #define MR_DCMD_CFG_MAKE_SPARE		0x04040000
    259 #define MR_DCMD_CFG_FOREIGN_SCAN	0x04060100
    260 #define MR_DCMD_CFG_FOREIGN_CLEAR	0x04060500
    261 #define MR_DCMD_BBU_GET_STATUS		0x05010000
    262 #define MR_DCMD_BBU_GET_CAPACITY_INFO	0x05020000
    263 #define MR_DCMD_BBU_GET_DESIGN_INFO	0x05030000
    264 #define MR_DCMD_CLUSTER			0x08000000
    265 #define MR_DCMD_CLUSTER_RESET_ALL	0x08010100
    266 #define MR_DCMD_CLUSTER_RESET_LD	0x08010200
    267 
    268 #define MR_DCMD_SPEAKER_GET		0x01030100
    269 #define MR_DCMD_SPEAKER_ENABLE		0x01030200
    270 #define MR_DCMD_SPEAKER_DISABLE		0x01030300
    271 #define MR_DCMD_SPEAKER_SILENCE		0x01030400
    272 #define MR_DCMD_SPEAKER_TEST		0x01030500
    273 
    274 /* mailbox bytes in direct command */
    275 #define MFI_MBOX_SIZE			12
    276 
    277 union mfi_mbox {
    278 	uint8_t                 b[MFI_MBOX_SIZE];
    279 	uint16_t                s[6];
    280 	uint32_t                w[3];
    281 };
    282 
    283 /* mfi completion codes */
    284 typedef enum {
    285 	MFI_STAT_OK =				0x00,
    286 	MFI_STAT_INVALID_CMD =			0x01,
    287 	MFI_STAT_INVALID_DCMD =			0x02,
    288 	MFI_STAT_INVALID_PARAMETER =		0x03,
    289 	MFI_STAT_INVALID_SEQUENCE_NUMBER =	0x04,
    290 	MFI_STAT_ABORT_NOT_POSSIBLE =		0x05,
    291 	MFI_STAT_APP_HOST_CODE_NOT_FOUND =	0x06,
    292 	MFI_STAT_APP_IN_USE =			0x07,
    293 	MFI_STAT_APP_NOT_INITIALIZED =		0x08,
    294 	MFI_STAT_ARRAY_INDEX_INVALID =		0x09,
    295 	MFI_STAT_ARRAY_ROW_NOT_EMPTY =		0x0a,
    296 	MFI_STAT_CONFIG_RESOURCE_CONFLICT =	0x0b,
    297 	MFI_STAT_DEVICE_NOT_FOUND =		0x0c,
    298 	MFI_STAT_DRIVE_TOO_SMALL =		0x0d,
    299 	MFI_STAT_FLASH_ALLOC_FAIL =		0x0e,
    300 	MFI_STAT_FLASH_BUSY =			0x0f,
    301 	MFI_STAT_FLASH_ERROR =			0x10,
    302 	MFI_STAT_FLASH_IMAGE_BAD =		0x11,
    303 	MFI_STAT_FLASH_IMAGE_INCOMPLETE =	0x12,
    304 	MFI_STAT_FLASH_NOT_OPEN =		0x13,
    305 	MFI_STAT_FLASH_NOT_STARTED =		0x14,
    306 	MFI_STAT_FLUSH_FAILED =			0x15,
    307 	MFI_STAT_HOST_CODE_NOT_FOUNT =		0x16,
    308 	MFI_STAT_LD_CC_IN_PROGRESS =		0x17,
    309 	MFI_STAT_LD_INIT_IN_PROGRESS =		0x18,
    310 	MFI_STAT_LD_LBA_OUT_OF_RANGE =		0x19,
    311 	MFI_STAT_LD_MAX_CONFIGURED =		0x1a,
    312 	MFI_STAT_LD_NOT_OPTIMAL =		0x1b,
    313 	MFI_STAT_LD_RBLD_IN_PROGRESS =		0x1c,
    314 	MFI_STAT_LD_RECON_IN_PROGRESS =		0x1d,
    315 	MFI_STAT_LD_WRONG_RAID_LEVEL =		0x1e,
    316 	MFI_STAT_MAX_SPARES_EXCEEDED =		0x1f,
    317 	MFI_STAT_MEMORY_NOT_AVAILABLE =		0x20,
    318 	MFI_STAT_MFC_HW_ERROR =			0x21,
    319 	MFI_STAT_NO_HW_PRESENT =		0x22,
    320 	MFI_STAT_NOT_FOUND =			0x23,
    321 	MFI_STAT_NOT_IN_ENCL =			0x24,
    322 	MFI_STAT_PD_CLEAR_IN_PROGRESS =		0x25,
    323 	MFI_STAT_PD_TYPE_WRONG =		0x26,
    324 	MFI_STAT_PR_DISABLED =			0x27,
    325 	MFI_STAT_ROW_INDEX_INVALID =		0x28,
    326 	MFI_STAT_SAS_CONFIG_INVALID_ACTION =	0x29,
    327 	MFI_STAT_SAS_CONFIG_INVALID_DATA =	0x2a,
    328 	MFI_STAT_SAS_CONFIG_INVALID_PAGE =	0x2b,
    329 	MFI_STAT_SAS_CONFIG_INVALID_TYPE =	0x2c,
    330 	MFI_STAT_SCSI_DONE_WITH_ERROR =		0x2d,
    331 	MFI_STAT_SCSI_IO_FAILED =		0x2e,
    332 	MFI_STAT_SCSI_RESERVATION_CONFLICT =	0x2f,
    333 	MFI_STAT_SHUTDOWN_FAILED =		0x30,
    334 	MFI_STAT_TIME_NOT_SET =			0x31,
    335 	MFI_STAT_WRONG_STATE =			0x32,
    336 	MFI_STAT_LD_OFFLINE =			0x33,
    337 	MFI_STAT_PEER_NOTIFICATION_REJECTED =	0x34,
    338 	MFI_STAT_PEER_NOTIFICATION_FAILED =	0x35,
    339 	MFI_STAT_RESERVATION_IN_PROGRESS =	0x36,
    340 	MFI_STAT_I2C_ERRORS_DETECTED =		0x37,
    341 	MFI_STAT_PCI_ERRORS_DETECTED =		0x38,
    342 	MFI_STAT_INVALID_STATUS =		0xff
    343 } mfi_status_t;
    344 
    345 typedef enum {
    346 	MFI_EVT_CLASS_DEBUG =			-2,
    347 	MFI_EVT_CLASS_PROGRESS =		-1,
    348 	MFI_EVT_CLASS_INFO =			0,
    349 	MFI_EVT_CLASS_WARNING =			1,
    350 	MFI_EVT_CLASS_CRITICAL =		2,
    351 	MFI_EVT_CLASS_FATAL =			3,
    352 	MFI_EVT_CLASS_DEAD =			4
    353 } mfi_evt_class_t;
    354 
    355 typedef enum {
    356 	MFI_EVT_LOCALE_LD =			0x0001,
    357 	MFI_EVT_LOCALE_PD =			0x0002,
    358 	MFI_EVT_LOCALE_ENCL =			0x0004,
    359 	MFI_EVT_LOCALE_BBU =			0x0008,
    360 	MFI_EVT_LOCALE_SAS =			0x0010,
    361 	MFI_EVT_LOCALE_CTRL =			0x0020,
    362 	MFI_EVT_LOCALE_CONFIG =			0x0040,
    363 	MFI_EVT_LOCALE_CLUSTER =		0x0080,
    364 	MFI_EVT_LOCALE_ALL =			0xffff
    365 } mfi_evt_locale_t;
    366 
    367 typedef enum {
    368 	MR_EVT_ARGS_NONE =			0x00,
    369 	MR_EVT_ARGS_CDB_SENSE,
    370 	MR_EVT_ARGS_LD,
    371 	MR_EVT_ARGS_LD_COUNT,
    372 	MR_EVT_ARGS_LD_LBA,
    373 	MR_EVT_ARGS_LD_OWNER,
    374 	MR_EVT_ARGS_LD_LBA_PD_LBA,
    375 	MR_EVT_ARGS_LD_PROG,
    376 	MR_EVT_ARGS_LD_STATE,
    377 	MR_EVT_ARGS_LD_STRIP,
    378 	MR_EVT_ARGS_PD,
    379 	MR_EVT_ARGS_PD_ERR,
    380 	MR_EVT_ARGS_PD_LBA,
    381 	MR_EVT_ARGS_PD_LBA_LD,
    382 	MR_EVT_ARGS_PD_PROG,
    383 	MR_EVT_ARGS_PD_STATE,
    384 	MR_EVT_ARGS_PCI,
    385 	MR_EVT_ARGS_RATE,
    386 	MR_EVT_ARGS_STR,
    387 	MR_EVT_ARGS_TIME,
    388 	MR_EVT_ARGS_ECC
    389 } mfi_evt_args;
    390 
    391 /* XXX should be in mfi_evt_args ? */
    392 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED	0x0152
    393 #define MR_EVT_ARGS_PD_ADDRESS			0x1d
    394 #define MR_EVT_PD_INSERTED			0x005b
    395 #define MR_EVT_PD_REMOVED			0x0070
    396 #define MR_EVT_PD_STATE_CHANGE			0x0072
    397 #define MR_EVT_LD_CHANGE			0x0051
    398 #define MR_EVT_LD_CREATED			0x008a
    399 #define MR_EVT_LD_DELETED			0x008b
    400 #define MR_EVT_PD_REMOVED_EXT			0x00f8
    401 #define MR_EVT_PD_INSERTED_EXT			0x00f7
    402 
    403 
    404 
    405 typedef enum {
    406 	MR_PD_QUERY_TYPE_ALL =			0,
    407 	MR_PD_QUERY_TYPE_STATE =		1,
    408 	MR_PD_QUERY_TYPE_POWER_STATE =		2,
    409 	MR_PD_QUERY_TYPE_MEDIA_TYPE =		3,
    410 	MR_PD_QUERY_TYPE_SPEED =		4,
    411 	MR_PD_QUERY_TYPE_EXPOSED_TO_HOST =	5 /*query for system drives */
    412 } mfi_pd_query_type;
    413 
    414 /* driver definitions */
    415 #define MFI_MAX_PD_CHANNELS			2
    416 #define MFI_MAX_PD_ARRAY			32
    417 #define MFI_MAX_LD_CHANNELS			2
    418 #define MFI_MAX_CHANNELS	(MFI_MAX_PD_CHANNELS + MFI_MAX_LD_CHANNELS)
    419 #define MFI_MAX_CHANNEL_DEVS			128
    420 #define MFI_DEFAULT_ID				-1
    421 #define MFI_MAX_LUN				8
    422 #define MFI_MAX_LD				64
    423 #define MFI_MAX_SPAN				8
    424 #define MFI_MAX_ARRAY_DEDICATED			16
    425 #define MFI_MAX_PD				256
    426 
    427 /* sense buffer */
    428 struct mfi_sense {
    429 	uint8_t			mse_data[MFI_SENSE_SIZE];
    430 };
    431 
    432 /* scatter gather elements */
    433 struct mfi_sg32 {
    434 	uint32_t		addr;
    435 	uint32_t		len;
    436 };
    437 
    438 struct mfi_sg64 {
    439 	uint64_t		addr;
    440 	uint32_t		len;
    441 } __packed;
    442 
    443 struct mfi_sg_ieee {
    444 	uint64_t		addr;
    445 	uint32_t		len;
    446 	uint32_t		flags;
    447 };
    448 
    449 
    450 union mfi_sgl {
    451 	struct mfi_sg32		sg32[1];
    452 	struct mfi_sg64		sg64[1];
    453 	struct mfi_sg_ieee	sg_ieee[1];
    454 };
    455 
    456 /* message frame */
    457 struct mfi_frame_header {
    458 	uint8_t			mfh_cmd;
    459 	uint8_t			mfh_sense_len;
    460 	uint8_t			mfh_cmd_status;
    461 	uint8_t			mfh_scsi_status;
    462 	uint8_t			mfh_target_id;
    463 	uint8_t			mfh_lun_id;
    464 	uint8_t			mfh_cdb_len;
    465 	uint8_t			mfh_sg_count;
    466 	uint32_t		mfh_context;
    467 	uint32_t		mfh_pad0;
    468 	uint16_t		mfh_flags;
    469 	uint16_t		mfh_timeout;
    470 	uint32_t		mfh_data_len;
    471 };
    472 
    473 union mfi_sgl_frame {
    474 	struct mfi_sg32		sge32[8];
    475 	struct mfi_sg64		sge64[5];
    476 
    477 } __packed;
    478 
    479 struct mfi_init_frame {
    480 	struct mfi_frame_header	mif_header;
    481 	uint32_t		mif_qinfo_new_addr_lo;
    482 	uint32_t		mif_qinfo_new_addr_hi;
    483 	uint32_t		mif_qinfo_old_addr_lo;
    484 	uint32_t		mif_qinfo_old_addr_hi;
    485 	uint32_t		driver_ver_lo;	/* 0x28 */
    486 	uint32_t		driver_ver_hi;	/* 0x2c */
    487 	uint32_t		reserved[4];
    488 } __packed;
    489 
    490 /* queue init structure */
    491 struct mfi_init_qinfo {
    492 	uint32_t		miq_flags;
    493 	uint32_t		miq_rq_entries;
    494 	uint32_t		miq_rq_addr_lo;
    495 	uint32_t		miq_rq_addr_hi;
    496 	uint32_t		miq_pi_addr_lo;
    497 	uint32_t		miq_pi_addr_hi;
    498 	uint32_t		miq_ci_addr_lo;
    499 	uint32_t		miq_ci_addr_hi;
    500 } __packed;
    501 
    502 #define MFI_IO_FRAME_SIZE	40
    503 struct mfi_io_frame {
    504 	struct mfi_frame_header	mif_header;
    505 	uint32_t		mif_sense_addr_lo;
    506 	uint32_t		mif_sense_addr_hi;
    507 	uint32_t		mif_lba_lo;
    508 	uint32_t		mif_lba_hi;
    509 	union mfi_sgl		mif_sgl;
    510 } __packed;
    511 
    512 #define MFI_PASS_FRAME_SIZE	48
    513 struct mfi_pass_frame {
    514 	struct mfi_frame_header mpf_header;
    515 	uint32_t		mpf_sense_addr_lo;
    516 	uint32_t		mpf_sense_addr_hi;
    517 	uint8_t			mpf_cdb[16];
    518 	union mfi_sgl		mpf_sgl;
    519 } __packed;
    520 
    521 #define MFI_DCMD_FRAME_SIZE	40
    522 struct mfi_dcmd_frame {
    523 	struct mfi_frame_header mdf_header;
    524 	uint32_t		mdf_opcode;
    525 	union mfi_mbox		mdf_mbox;
    526 	union mfi_sgl		mdf_sgl;
    527 };
    528 #define MFI_DCMD_MBOX_PEND_FLAG	0x1
    529 
    530 struct mfi_abort_frame {
    531 	struct mfi_frame_header maf_header;
    532 	uint32_t		maf_abort_context;
    533 	uint32_t		maf_pad;
    534 	uint32_t		maf_abort_mfi_addr_lo;
    535 	uint32_t		maf_abort_mfi_addr_hi;
    536 	uint32_t		maf_reserved[6];
    537 };
    538 
    539 struct mfi_smp_frame {
    540 	struct mfi_frame_header msf_header;
    541 	uint64_t		msf_sas_addr;
    542 	union {
    543 		struct mfi_sg32 sg32[2];
    544 		struct mfi_sg64 sg64[2];
    545 	}			msf_sgl;
    546 } __packed;
    547 
    548 struct mfi_stp_frame {
    549 	struct mfi_frame_header msf_header;
    550 	uint16_t		msf_fis[10];
    551 	uint32_t		msf_stp_flags;
    552 	union {
    553 		struct mfi_sg32 sg32[2];
    554 		struct mfi_sg64 sg64[2];
    555 	}			msf_sgl;
    556 } __packed;
    557 
    558 union mfi_frame {
    559 	struct mfi_frame_header mfr_header;
    560 	struct mfi_init_frame	mfr_init;
    561 	struct mfi_io_frame	mfr_io;
    562 	struct mfi_pass_frame	mfr_pass;
    563 	struct mfi_dcmd_frame	mfr_dcmd;
    564 	struct mfi_abort_frame	mfr_abort;
    565 	struct mfi_smp_frame	mfr_smp;
    566 	struct mfi_stp_frame	mfr_stp;
    567 	uint8_t			mfr_bytes[MFI_FRAME_SIZE];
    568 };
    569 
    570 union mfi_evt_class_locale {
    571 	struct {
    572 		uint16_t	locale;
    573 		uint8_t		reserved;
    574 		int8_t		class;
    575 	}			mec_members;
    576 	uint32_t		mec_word;
    577 };
    578 
    579 struct mfi_evt_log_info {
    580 	uint32_t		mel_newest_seq_num;
    581 	uint32_t		mel_oldest_seq_num;
    582 	uint32_t		mel_clear_seq_num;
    583 	uint32_t		mel_shutdown_seq_num;
    584 	uint32_t		mel_boot_seq_num;
    585 };
    586 
    587 struct mfi_progress {
    588 	uint16_t		mp_progress;
    589 	uint16_t		mp_elapsed_seconds;
    590 };
    591 
    592 struct mfi_evtarg_ld {
    593 	uint16_t		mel_target_id;
    594 	uint8_t			mel_ld_index;
    595 	uint8_t			mel_reserved;
    596 };
    597 
    598 struct mfi_evtarg_pd {
    599 	uint16_t		mep_device_id;
    600 	uint8_t			mep_encl_index;
    601 	uint8_t			mep_slot_number;
    602 };
    603 
    604 struct mfi_evtarg_pd_state {
    605 	struct mfi_evtarg_pd	pd;
    606 	uint32_t		prev_state;
    607 	uint32_t		new_state;
    608 };
    609 
    610 struct mfi_evtarg_pd_address {
    611 	uint16_t		device_id;
    612 	uint16_t		encl_id;
    613 
    614 	union {
    615 		struct {
    616 			uint8_t			encl_index;
    617 			uint8_t			slot_number;
    618 		}			pd_address;
    619 		struct {
    620 			uint8_t			encl_position;
    621 			uint8_t			encl_connector_index;
    622 		}			encl_address;
    623 	}			address;
    624 
    625 	uint8_t			scsi_dev_type;
    626 
    627 	union {
    628 		uint8_t			port_bitmap;
    629 		uint8_t			port_numbers;
    630 	}			connected;
    631 
    632 	uint64_t		sas_addr[2];
    633 };
    634 
    635 struct mfi_evt_detail {
    636 	uint32_t				med_seq_num;
    637 	uint32_t				med_time_stamp;
    638 	uint32_t				med_code;
    639 	union mfi_evt_class_locale		med_cl;
    640 	uint8_t					med_arg_type;
    641 	uint8_t					med_reserved1[15];
    642 
    643 	union {
    644 		struct {
    645 			struct mfi_evtarg_pd	pd;
    646 			uint8_t			cdb_length;
    647 			uint8_t			sense_length;
    648 			uint8_t			reserved[2];
    649 			uint8_t			cdb[16];
    650 			uint8_t			sense[64];
    651 		} __packed			cdb_sense;
    652 
    653 		struct mfi_evtarg_ld		ld;
    654 
    655 		struct {
    656 			struct mfi_evtarg_ld	ld;
    657 			uint64_t		count;
    658 		} __packed			ld_count;
    659 
    660 		struct {
    661 			uint64_t		lba;
    662 			struct mfi_evtarg_ld	ld;
    663 		} __packed			ld_lba;
    664 
    665 		struct {
    666 			struct mfi_evtarg_ld	ld;
    667 			uint32_t		prev_owner;
    668 			uint32_t		new_owner;
    669 		} __packed			ld_owner;
    670 
    671 		struct {
    672 			uint64_t		ld_lba;
    673 			uint64_t		pd_lba;
    674 			struct mfi_evtarg_ld	ld;
    675 			struct mfi_evtarg_pd	pd;
    676 		} __packed			ld_lba_pd_lba;
    677 
    678 		struct {
    679 			struct mfi_evtarg_ld	ld;
    680 			struct mfi_progress	prog;
    681 		} __packed			ld_prog;
    682 
    683 		struct {
    684 			struct mfi_evtarg_ld	ld;
    685 			uint32_t		prev_state;
    686 			uint32_t		new_state;
    687 		} __packed			ld_state;
    688 
    689 		struct {
    690 			uint64_t		strip;
    691 			struct mfi_evtarg_ld	ld;
    692 		} __packed			ld_strip;
    693 
    694 		struct mfi_evtarg_pd		pd;
    695 
    696 		struct {
    697 			struct mfi_evtarg_pd	pd;
    698 			uint32_t		err;
    699 		} __packed			pd_err;
    700 
    701 		struct {
    702 			uint64_t		lba;
    703 			struct mfi_evtarg_pd	pd;
    704 		} __packed			pd_lba;
    705 
    706 		struct {
    707 			uint64_t		lba;
    708 			struct mfi_evtarg_pd	pd;
    709 			struct mfi_evtarg_ld	ld;
    710 		} __packed			pd_lba_ld;
    711 
    712 		struct {
    713 			struct mfi_evtarg_pd	pd;
    714 			struct mfi_progress	prog;
    715 		} __packed			pd_prog;
    716 
    717 		struct mfi_evtarg_pd_state	pd_state;
    718 
    719 		struct {
    720 			uint16_t		vendor_id;
    721 			uint16_t		device_id;
    722 			uint16_t		subvendor_id;
    723 			uint16_t		subdevice_id;
    724 		} __packed			pci;
    725 
    726 		uint32_t			rate;
    727 		char				str[96];
    728 
    729 		struct {
    730 			uint32_t		rtc;
    731 			uint32_t		elapsed_seconds;
    732 		} __packed			time;
    733 
    734 		struct {
    735 			uint32_t		ecar;
    736 			uint32_t		elog;
    737 			char			str[64];
    738 		} __packed			ecc;
    739 
    740 		struct mfi_evtarg_pd_address	pd_address;
    741 
    742 		uint8_t				b[96];
    743 		uint16_t			s[48];
    744 		uint32_t			w[24];
    745 		uint64_t			d[12];
    746 	}					args;
    747 
    748 	char					med_description[128];
    749 } __packed;
    750 
    751 /* controller properties from mfi_ctrl_info */
    752 struct mfi_ctrl_props {
    753 	uint16_t		mcp_seq_num;
    754 	uint16_t		mcp_pred_fail_poll_interval;
    755 	uint16_t		mcp_intr_throttle_cnt;
    756 	uint16_t		mcp_intr_throttle_timeout;
    757 	uint8_t			mcp_rebuild_rate;
    758 	uint8_t			mcp_patrol_read_rate;
    759 	uint8_t			mcp_bgi_rate;
    760 	uint8_t			mcp_cc_rate;
    761 	uint8_t			mcp_recon_rate;
    762 	uint8_t			mcp_cache_flush_interval;
    763 	uint8_t			mcp_spinup_drv_cnt;
    764 	uint8_t			mcp_spinup_delay;
    765 	uint8_t			mcp_cluster_enable;
    766 	uint8_t			mcp_coercion_mode;
    767 	uint8_t			mcp_alarm_enable;
    768 	uint8_t			mcp_disable_auto_rebuild;
    769 	uint8_t			mcp_disable_battery_warn;
    770 	uint8_t			mcp_ecc_bucket_size;
    771 	uint16_t		mcp_ecc_bucket_leak_rate;
    772 	uint8_t			mcp_restore_hotspare_on_insertion;
    773 	uint8_t			mcp_expose_encl_devices;
    774 	uint8_t			maintainPdFailHistory;
    775 	uint8_t			disallowHostRequestReordering;
    776 	/* set TRUE to abort CC on detecting an inconsistency */
    777 	uint8_t			abortCCOnError;
    778 	/* load balance mode (MR_LOAD_BALANCE_MODE) */
    779 	uint8_t			loadBalanceMode;
    780 	/*
    781 	 * 0 - use auto detect logic of backplanes like SGPIO, i2c SEP using
    782 	 *     h/w mechanism like GPIO pins
    783 	 * 1 - disable auto detect SGPIO,
    784 	 * 2 - disable i2c SEP auto detect
    785 	 * 3 - disable both auto detect
    786 	 */
    787 	uint8_t			disableAutoDetectBackplane;
    788 	/*
    789 	 * % of source LD to be reserved for a VDs snapshot in snapshot
    790 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so on
    791 	 */
    792 	uint8_t			snapVDSpace;
    793 
    794 	/*
    795 	 * Add properties that can be controlled by a bit in the following
    796 	 * structure.
    797 	 */
    798 	struct {
    799 		/* set TRUE to disable copyBack (0=copback enabled) */
    800 		uint32_t	copyBackDisabled		:1;
    801 		uint32_t	SMARTerEnabled			:1;
    802 		uint32_t	prCorrectUnconfiguredAreas	:1;
    803 		uint32_t	useFdeOnly			:1;
    804 		uint32_t	disableNCQ			:1;
    805 		uint32_t	SSDSMARTerEnabled		:1;
    806 		uint32_t	SSDPatrolReadEnabled		:1;
    807 		uint32_t	enableSpinDownUnconfigured	:1;
    808 		uint32_t	autoEnhancedImport		:1;
    809 		uint32_t	enableSecretKeyControl		:1;
    810 		uint32_t	disableOnlineCtrlReset		:1;
    811 		uint32_t	allowBootWithPinnedCache	:1;
    812 		uint32_t	disableSpinDownHS		:1;
    813 		uint32_t	enableJBOD			:1;
    814 		uint32_t	disableCacheBypass		:1;
    815 		uint32_t	useDiskActivityForLocate	:1;
    816 		uint32_t	enablePI			:1;
    817 		uint32_t	preventPIImport			:1;
    818 		uint32_t	useGlobalSparesForEmergency	:1;
    819 		uint32_t	useUnconfGoodForEmergency	:1;
    820 		uint32_t	useEmergencySparesforSMARTer	:1;
    821 		uint32_t	forceSGPIOForQuadOnly		:1;
    822 		uint32_t	enableConfigAutoBalance		:1;
    823 		uint32_t	enableVirtualCache		:1;
    824 		uint32_t	enableAutoLockRecovery		:1;
    825 		uint32_t	disableImmediateIO		:1;
    826 		uint32_t	disableT10RebuildAssist		:1;
    827 		uint32_t	ignore64ldRestriction		:1;
    828 		uint32_t	enableSwZone			:1;
    829 		uint32_t	limitMaxRateSATA3G		:1;
    830 		uint32_t	reserved			:2;
    831 	} OnOffProperties;
    832 	/*
    833 	 * % of source LD to be reserved for auto snapshot in snapshot
    834 	 * repository, for metadata and user data: 1=5%, 2=10%, 3=15% and so
    835 	 * on.
    836 	 */
    837 	uint8_t			autoSnapVDSpace;
    838 	/*
    839 	 * Snapshot writeable VIEWs capacity as a % of source LD capacity:
    840 	 * 0=READ only, 1=5%, 2=10%, 3=15% and so on.
    841 	 */
    842 	uint8_t			viewSpace;
    843 	/* # of idle minutes before device is spun down (0=use FW defaults) */
    844 	uint16_t		spinDownTime;
    845 	uint8_t			reserved[24];
    846 } __packed;
    847 
    848 /* pci info */
    849 struct mfi_info_pci {
    850 	uint16_t		mip_vendor;
    851 	uint16_t		mip_device;
    852 	uint16_t		mip_subvendor;
    853 	uint16_t		mip_subdevice;
    854 	uint8_t			mip_reserved[24];
    855 } __packed;
    856 
    857 /* host interface info */
    858 struct mfi_info_host {
    859 	uint8_t			mih_type;
    860 #define MFI_INFO_HOST_PCIX	0x01
    861 #define MFI_INFO_HOST_PCIE	0x02
    862 #define MFI_INFO_HOST_ISCSI	0x04
    863 #define MFI_INFO_HOST_SAS3G	0x08
    864 	uint8_t			mih_reserved[6];
    865 	uint8_t			mih_port_count;
    866 	uint64_t		mih_port_addr[8];
    867 } __packed;
    868 
    869 /* device interface info */
    870 struct mfi_info_device {
    871 	uint8_t			mid_type;
    872 #define MFI_INFO_DEV_SPI	0x01
    873 #define MFI_INFO_DEV_SAS3G	0x02
    874 #define MFI_INFO_DEV_SATA1	0x04
    875 #define MFI_INFO_DEV_SATA3G	0x08
    876 	uint8_t			mid_reserved[6];
    877 	uint8_t			mid_port_count;
    878 	uint64_t		mid_port_addr[8];
    879 } __packed;
    880 
    881 /* firmware component info */
    882 struct mfi_info_component {
    883 	char			mic_name[8];
    884 	char			mic_version[32];
    885 	char			mic_build_date[16];
    886 	char			mic_build_time[16];
    887 } __packed;
    888 
    889 /* controller info from MFI_DCMD_CTRL_GETINFO. */
    890 struct mfi_ctrl_info {
    891 	struct mfi_info_pci	mci_pci;
    892 	struct mfi_info_host	mci_host;
    893 	struct mfi_info_device	mci_device;
    894 
    895 	/* Firmware components that are present and active. */
    896 	uint32_t		mci_image_check_word;
    897 	uint32_t		mci_image_component_count;
    898 	struct mfi_info_component mci_image_component[8];
    899 
    900 	/* Firmware components that have been flashed but are inactive */
    901 	uint32_t		mci_pending_image_component_count;
    902 	struct mfi_info_component mci_pending_image_component[8];
    903 
    904 	uint8_t			mci_max_arms;
    905 	uint8_t			mci_max_spans;
    906 	uint8_t			mci_max_arrays;
    907 	uint8_t			mci_max_lds;
    908 	char			mci_product_name[80];
    909 	char			mci_serial_number[32];
    910 	uint32_t		mci_hw_present;
    911 #define MFI_INFO_HW_BBU		0x01
    912 #define MFI_INFO_HW_ALARM	0x02
    913 #define MFI_INFO_HW_NVRAM	0x04
    914 #define MFI_INFO_HW_UART	0x08
    915 	uint32_t		mci_current_fw_time;
    916 	uint16_t		mci_max_cmds;
    917 	uint16_t		mci_max_sg_elements;
    918 	uint32_t		mci_max_request_size;
    919 	uint16_t		mci_lds_present;
    920 	uint16_t		mci_lds_degraded;
    921 	uint16_t		mci_lds_offline;
    922 	uint16_t		mci_pd_present;
    923 	uint16_t		mci_pd_disks_present;
    924 	uint16_t		mci_pd_disks_pred_failure;
    925 	uint16_t		mci_pd_disks_failed;
    926 	uint16_t		mci_nvram_size;
    927 	uint16_t		mci_memory_size;
    928 	uint16_t		mci_flash_size;
    929 	uint16_t		mci_ram_correctable_errors;
    930 	uint16_t		mci_ram_uncorrectable_errors;
    931 	uint8_t			mci_cluster_allowed;
    932 	uint8_t			mci_cluster_active;
    933 	uint16_t		mci_max_strips_per_io;
    934 
    935 	uint32_t		mci_raid_levels;
    936 #define MFI_INFO_RAID_0		0x01
    937 #define MFI_INFO_RAID_1		0x02
    938 #define MFI_INFO_RAID_5		0x04
    939 #define MFI_INFO_RAID_1E	0x08
    940 #define MFI_INFO_RAID_6		0x10
    941 
    942 	uint32_t		mci_adapter_ops;
    943 #define MFI_INFO_AOPS_RBLD_RATE		0x0001
    944 #define MFI_INFO_AOPS_CC_RATE		0x0002
    945 #define MFI_INFO_AOPS_BGI_RATE		0x0004
    946 #define MFI_INFO_AOPS_RECON_RATE	0x0008
    947 #define MFI_INFO_AOPS_PATROL_RATE	0x0010
    948 #define MFI_INFO_AOPS_ALARM_CONTROL	0x0020
    949 #define MFI_INFO_AOPS_CLUSTER_SUPPORTED	0x0040
    950 #define MFI_INFO_AOPS_BBU		0x0080
    951 #define MFI_INFO_AOPS_SPANNING_ALLOWED	0x0100
    952 #define MFI_INFO_AOPS_DEDICATED_SPARES	0x0200
    953 #define MFI_INFO_AOPS_REVERTIBLE_SPARES	0x0400
    954 #define MFI_INFO_AOPS_FOREIGN_IMPORT	0x0800
    955 #define MFI_INFO_AOPS_SELF_DIAGNOSTIC	0x1000
    956 #define MFI_INFO_AOPS_MIXED_ARRAY	0x2000
    957 #define MFI_INFO_AOPS_GLOBAL_SPARES	0x4000
    958 
    959 	uint32_t		mci_ld_ops;
    960 #define MFI_INFO_LDOPS_READ_POLICY	0x01
    961 #define MFI_INFO_LDOPS_WRITE_POLICY	0x02
    962 #define MFI_INFO_LDOPS_IO_POLICY	0x04
    963 #define MFI_INFO_LDOPS_ACCESS_POLICY	0x08
    964 #define MFI_INFO_LDOPS_DISK_CACHE_POLICY 0x10
    965 
    966 	struct {
    967 		uint8_t		min;
    968 		uint8_t		max;
    969 		uint8_t		reserved[2];
    970 	} __packed		mci_stripe_sz_ops;
    971 
    972 	uint32_t		mci_pd_ops;
    973 #define MFI_INFO_PDOPS_FORCE_ONLINE	0x01
    974 #define MFI_INFO_PDOPS_FORCE_OFFLINE	0x02
    975 #define MFI_INFO_PDOPS_FORCE_REBUILD	0x04
    976 
    977 	uint32_t		mci_pd_mix_support;
    978 #define MFI_INFO_PDMIX_SAS		0x01
    979 #define MFI_INFO_PDMIX_SATA		0x02
    980 #define MFI_INFO_PDMIX_ENCL		0x04
    981 #define MFI_INFO_PDMIX_LD		0x08
    982 #define MFI_INFO_PDMIX_SATA_CLUSTER	0x10
    983 
    984 	uint8_t			mci_ecc_bucket_count;
    985 	uint8_t			mci_reserved2[11];
    986 	struct mfi_ctrl_props	mci_properties;
    987 	char			mci_package_version[0x60];
    988 
    989 	uint64_t		mci_dev_iface_port_addr2[8];
    990 	uint8_t			mci_reserved3[128];
    991 
    992 	struct {
    993 		uint16_t raid_level_0;
    994 		uint16_t raid_level_1;
    995 		uint16_t raid_level_5;
    996 		uint16_t raid_level_1e;
    997 		uint16_t raid_level_6;
    998 		uint16_t raid_level_10;
    999 		uint16_t raid_level_50;
   1000 		uint16_t raid_level_60;
   1001 		uint16_t raid_level_1e_rlq0;
   1002 		uint16_t raid_level_1e0_rlq0;
   1003 		uint16_t reserved[6];
   1004 	} __packed		mci_pds_for_raid_levels;
   1005 
   1006 	uint16_t		mci_max_pds;
   1007 	uint16_t		mci_max_ded_hsps;
   1008 	uint16_t		mci_max_global_hsps;
   1009 	uint16_t		mci_ddf_size;
   1010 	uint8_t			mci_max_lds_per_array;
   1011 	uint8_t			mci_partitions_in_ddf;
   1012 	uint8_t			mci_lock_key_binding;
   1013 	uint8_t			mci_max_pits_per_ld;
   1014 	uint8_t			mci_max_views_per_ld;
   1015 	uint8_t			mci_max_target_id;
   1016 	uint16_t		mci_max_bvl_vd_size;
   1017 
   1018 	uint16_t		mci_max_configurable_ssc_size;
   1019 	uint16_t		mci_current_ssc_size;
   1020 
   1021 	char			mci_expander_fw_version[12];
   1022 
   1023 	uint16_t		mci_pfk_trial_time_remaining;
   1024 	uint16_t		mci_cache_memory_size;
   1025 
   1026 	uint32_t		mci_adapter_ops2;
   1027 #define MFI_INFO_AOPS2_SUPP_PI_CTRL	0x00000001
   1028 #define MFI_INFO_AOPS2_SUPP_LD_PIT1	0x00000002
   1029 #define MFI_INFO_AOPS2_SUPP_LD_PIT2	0x00000004
   1030 #define MFI_INFO_AOPS2_SUPP_LD_PIT3	0x00000008
   1031 #define MFI_INFO_AOPS2_SUPP_LD_BBMI	0x00000010
   1032 #define MFI_INFO_AOPS2_SUPP_SHIELD_STAT	0x00000020
   1033 #define MFI_INFO_AOPS2_BLK_SSD_WC_CNG	0x00000040
   1034 #define MFI_INFO_AOPS2_SUPP_SUSPRES_BGO	0x00000080
   1035 #define MFI_INFO_AOPS2_SUPP_EMERG_SPARE	0x00000100
   1036 #define MFI_INFO_AOPS2_SUPP_SET_LNKSPD	0x00000200
   1037 #define MFI_INFO_AOPS2_SUPP_BT_PFK_CNG	0x00000400
   1038 #define MFI_INFO_AOPS2_SUPP_JBOD	0x00000800
   1039 #define MFI_INFO_AOPS2_DIS_ONLN_PFK_CNG	0x00001000
   1040 #define MFI_INFO_AOPS2_SUPP_PERF_TUNE	0x00002000
   1041 #define MFI_INFO_AOPS2_SUPP_SSD_PREAD	0x00004000
   1042 #define MFI_INFO_AOPS2_RT_SCHED		0x00008000
   1043 #define MFI_INFO_AOPS2_SUPP_RESET_NOW	0x00010000
   1044 #define MFI_INFO_AOPS2_SUPP_EMU_DRIVE	0x00020000
   1045 #define MFI_INFO_AOPS2_HEADLESS_MODE	0x00040000
   1046 #define MFI_INFO_AOPS2_DEDIC_HSPARE_LIM	0x00080000
   1047 #define MFI_INFO_AOPS2_SUPP_UNEVEN_SPAN	0x00100000
   1048 
   1049 	uint8_t			mci_drv_version[32];
   1050 	uint8_t			mci_max_da_pd_count_spinup_60;
   1051 	uint8_t			mci_temperature_roc;
   1052 	uint8_t			mci_temperature_ctrl;
   1053 	uint8_t			mci_reserved4;
   1054 	uint16_t		mci_max_configurable_pds;
   1055 	uint8_t			mci_reserved5[2];
   1056 
   1057 	uint32_t		cluster;
   1058 
   1059 	char			cluster_id[16];
   1060 	char			reserved6[4];
   1061 
   1062 	uint32_t		mci_adapter_ops3;
   1063 #define MFI_INFO_AOPS3_SUPP_PERSONALTY_CHANGE	0x00000003
   1064 #define MFI_INFO_AOPS3_SUPP_THERMAL_POLL_INTVL	0x00000004
   1065 #define MFI_INFO_AOPS3_SUPP_DIS_IMMEDIATE_IO	0x00000008
   1066 #define MFI_INFO_AOPS3_SUPP_T10_REBUILD_ASSIST	0x00000010
   1067 #define MFI_INFO_AOPS3_SUPP_MAX_EXT_LDS		0x00000020
   1068 #define MFI_INFO_AOPS3_SUPP_CRASH_DUMP		0x00000040
   1069 #define MFI_INFO_AOPS3_SUPP_SW_SONE		0x00000080
   1070 #define MFI_INFO_AOPS3_SUPP_DEBUG_QUEUE		0x00000100
   1071 #define MFI_INFO_AOPS3_SUPP_NVCACHE_ERASE	0x00000200
   1072 #define MFI_INFO_AOPS3_SUPP_FORCE_TO_512E	0x00000400
   1073 #define MFI_INFO_AOPS3_SUPP_HOQ_REBUILD		0x00000800
   1074 #define MFI_INFO_AOPS3_SUPP_ALLOWED_OPS_DRVRMVL	0x00001000
   1075 #define MFI_INFO_AOPS3_SUPP_DRV_ACTIVITY_LEDSET	0x00002000
   1076 #define MFI_INFO_AOPS3_SUPP_NVDRAM		0x00004000
   1077 #define MFI_INFO_AOPS3_SUPP_FORCE_FLASH		0x00008000
   1078 #define MFI_INFO_AOPS3_SUPP_DIS_SES_MONITOR	0x00010000
   1079 #define MFI_INFO_AOPS3_SUPP_CACHE_BYPASS_MODE	0x00020000
   1080 #define MFI_INFO_AOPS3_SUPP_SECURITY_ON_JBOD	0x00040000
   1081 #define MFI_INFO_AOPS3_DISCARD_CACHE_DUR_LD_DEL	0x00080000
   1082 #define MFI_INFO_AOPS3_SUPP_TTY_LOG_COMPRESS	0x00100000
   1083 #define MFI_INFO_AOPS3_SUPP_CPLD_UPDATE		0x00200000
   1084 #define MFI_INFO_AOPS3_SUPP_DISK_CACHE_SYS_PD	0x00400000
   1085 #define MFI_INFO_AOPS3_SUPP_EXTENDED_SSC_SIZE	0x00800000
   1086 #define MFI_INFO_AOPS3_USE_SEQNUM_JBOD_FP	0x01000000
   1087 
   1088 	uint8_t			mci_pad_cpld[16];
   1089 
   1090 	uint16_t		mci_adapter_ops4;
   1091 
   1092 	uint8_t			mci_pad[0x800 - 0x7fe];
   1093 } __packed;
   1094 
   1095 /* logical disk info from MR_DCMD_LD_GET_LIST */
   1096 struct mfi_ld {
   1097 	uint8_t			mld_target;
   1098 	uint8_t			mld_res;
   1099 	uint16_t		mld_seq;
   1100 } __packed;
   1101 
   1102 struct mfi_ld_list {
   1103 	uint32_t		mll_no_ld;
   1104 	uint32_t		mll_res;
   1105 	struct {
   1106 		struct mfi_ld	mll_ld;
   1107 		uint8_t		mll_state;
   1108 #define MFI_LD_OFFLINE			0x00
   1109 #define MFI_LD_PART_DEGRADED		0x01
   1110 #define MFI_LD_DEGRADED			0x02
   1111 #define MFI_LD_ONLINE			0x03
   1112 		uint8_t		mll_res2;
   1113 		uint8_t		mll_res3;
   1114 		uint8_t		mll_res4;
   1115 		uint64_t	mll_size;
   1116 	} mll_list[MFI_MAX_LD];
   1117 } __packed;
   1118 
   1119 /* logical disk details from MR_DCMD_LD_GET_INFO */
   1120 struct mfi_ld_prop {
   1121 	struct mfi_ld		mlp_ld;
   1122 	char			mlp_name[16];
   1123 	uint8_t			mlp_cache_policy;
   1124 	uint8_t			mlp_acces_policy;
   1125 	uint8_t			mlp_diskcache_policy;
   1126 	uint8_t			mlp_cur_cache_policy;
   1127 	uint8_t			mlp_disable_bgi;
   1128 	uint8_t			mlp_res[7];
   1129 } __packed;
   1130 
   1131 struct mfi_ld_parm {
   1132 	uint8_t			mpa_pri_raid;	/* SNIA DDF PRL */
   1133 #define MFI_DDF_PRL_RAID0	0x00
   1134 #define MFI_DDF_PRL_RAID1	0x01
   1135 #define MFI_DDF_PRL_RAID3	0x03
   1136 #define MFI_DDF_PRL_RAID4	0x04
   1137 #define MFI_DDF_PRL_RAID5	0x05
   1138 #define MFI_DDF_PRL_RAID1E	0x11
   1139 #define MFI_DDF_PRL_JBOD	0x0f
   1140 #define MFI_DDF_PRL_CONCAT	0x1f
   1141 #define MFI_DDF_PRL_RAID5E	0x15
   1142 #define MFI_DDF_PRL_RAID5EE	0x25
   1143 #define MFI_DDF_PRL_RAID6	0x16
   1144 	uint8_t			mpa_raid_qual;	/* SNIA DDF RLQ */
   1145 	uint8_t			mpa_sec_raid;	/* SNIA DDF SRL */
   1146 #define MFI_DDF_SRL_STRIPED	0x00
   1147 #define MFI_DDF_SRL_MIRRORED	0x01
   1148 #define MFI_DDF_SRL_CONCAT	0x02
   1149 #define MFI_DDF_SRL_SPANNED	0x03
   1150 	uint8_t			mpa_stripe_size;
   1151 	uint8_t			mpa_no_drv_per_span;
   1152 	uint8_t			mpa_span_depth;
   1153 	uint8_t			mpa_state;
   1154 	uint8_t			mpa_init_state;
   1155 	uint8_t			mpa_is_consistent;
   1156 	uint8_t			mpa_res1[6];
   1157 	uint8_t			mpa_isSSCD;
   1158 	uint8_t			mpa_res[16];
   1159 } __packed;
   1160 
   1161 struct mfi_ld_span {
   1162 	uint64_t		mls_start_block;
   1163 	uint64_t		mls_no_blocks;
   1164 	uint16_t		mls_index;
   1165 	uint8_t			mls_res[6];
   1166 } __packed;
   1167 
   1168 struct mfi_ld_cfg {
   1169 	struct mfi_ld_prop	mlc_prop;
   1170 	struct mfi_ld_parm	mlc_parm;
   1171 	struct mfi_ld_span	mlc_span[MFI_MAX_SPAN];
   1172 } __packed;
   1173 
   1174 struct mfi_ld_progress {
   1175 	uint32_t		mlp_in_prog;
   1176 #define MFI_LD_PROG_CC		0x01
   1177 #define MFI_LD_PROG_BGI		0x02
   1178 #define MFI_LD_PROG_FGI		0x04
   1179 #define MFI_LD_PROG_RECONSTRUCT	0x08
   1180 	struct mfi_progress	mlp_cc;
   1181 	struct mfi_progress	mlp_bgi;
   1182 	struct mfi_progress	mlp_fgi;
   1183 	struct mfi_progress	mlp_reconstruct;
   1184 	struct mfi_progress	mlp_res[4];
   1185 } __packed;
   1186 
   1187 struct mfi_ld_details {
   1188 	struct mfi_ld_cfg	mld_cfg;
   1189 	uint64_t		mld_size;
   1190 	struct mfi_ld_progress	mld_progress;
   1191 	uint16_t		mld_clust_own_id;
   1192 	uint8_t			mld_res1;
   1193 	uint8_t			mld_res2;
   1194 	uint8_t			mld_inq_page83[64];
   1195 	uint8_t			mld_res[16];
   1196 } __packed;
   1197 
   1198 /* physical disk info from MR_DCMD_PD_GET_LIST */
   1199 struct mfi_pd_address {
   1200 	uint16_t		mpa_pd_id;
   1201 	uint16_t		mpa_enc_id;
   1202 	uint8_t			mpa_enc_index;
   1203 	uint8_t			mpa_enc_slot;
   1204 	uint8_t			mpa_scsi_type;
   1205 	uint8_t			mpa_port;
   1206 	uint64_t		mpa_sas_address[2];
   1207 } __packed;
   1208 
   1209 struct mfi_pd_list {
   1210 	uint32_t		mpl_size;
   1211 	uint32_t		mpl_no_pd;
   1212 	struct mfi_pd_address	mpl_address[MFI_MAX_PD];
   1213 } __packed;
   1214 
   1215 struct mfi_pd {
   1216 	uint16_t		mfp_id;
   1217 	uint16_t		mfp_seq;
   1218 } __packed;
   1219 
   1220 struct mfi_pd_progress {
   1221 	uint32_t		mfp_in_prog;
   1222 #define MFI_PD_PROG_RBLD	0x01
   1223 #define MFI_PD_PROG_PR		0x02
   1224 #define MFI_PD_PROG_CLEAR	0x04
   1225 	struct mfi_progress	mfp_rebuild;
   1226 	struct mfi_progress	mfp_patrol_read;
   1227 	struct mfi_progress	mfp_clear;
   1228 	struct mfi_progress	mfp_res[4];
   1229 } __packed;
   1230 
   1231 struct mfi_pd_details {
   1232 	struct mfi_pd		mpd_pd;
   1233 	uint8_t			mpd_inq_data[96];
   1234 	uint8_t			mpd_inq_page83[64];
   1235 	uint8_t			mpd_no_support;
   1236 	uint8_t			mpd_scsi_type;
   1237 	uint8_t			mpd_port;
   1238 	uint8_t			mpd_speed;
   1239 	uint32_t		mpd_mediaerr_cnt;
   1240 	uint32_t		mpd_othererr_cnt;
   1241 	uint32_t		mpd_predfail_cnt;
   1242 	uint32_t		mpd_last_pred_event;
   1243 	uint16_t		mpd_fw_state;
   1244 	uint8_t			mpd_rdy_for_remove;
   1245 	uint8_t			mpd_link_speed;
   1246 	uint32_t		mpd_ddf_state;
   1247 #define MFI_DDF_GUID_FORCED	0x01
   1248 #define MFI_DDF_PART_OF_VD	0x02
   1249 #define MFI_DDF_GLOB_HOTSPARE	0x04
   1250 #define MFI_DDF_HOTSPARE	0x08
   1251 #define MFI_DDF_FOREIGN		0x10
   1252 #define MFI_DDF_TYPE_MASK	0xf000
   1253 #define MFI_DDF_TYPE_UNKNOWN	0x0000
   1254 #define MFI_DDF_TYPE_PAR_SCSI	0x1000
   1255 #define MFI_DDF_TYPE_SAS	0x2000
   1256 #define MFI_DDF_TYPE_SATA	0x3000
   1257 #define MFI_DDF_TYPE_FC		0x4000
   1258 	struct {
   1259 		uint8_t		mpp_cnt;
   1260 		uint8_t		mpp_severed;
   1261 		uint8_t		mpp_res[6];
   1262 		uint64_t	mpp_sas_addr[4];
   1263 	} __packed mpd_path;
   1264 	uint64_t		mpd_size;
   1265 	uint64_t		mpd_no_coerce_size;
   1266 	uint64_t		mpd_coerce_size;
   1267 	uint16_t		mpd_enc_id;
   1268 	uint8_t			mpd_enc_idx;
   1269 	uint8_t			mpd_enc_slot;
   1270 	struct mfi_pd_progress	mpd_progress;
   1271 	uint8_t			mpd_bblock_full;
   1272 	uint8_t			mpd_unusable;
   1273 	uint8_t			mpd_res[218]; /* size is 512 */
   1274 } __packed;
   1275 
   1276 /* array configuration from MR_DCMD_CONF_GET */
   1277 struct mfi_array {
   1278 	uint64_t		mar_smallest_pd;
   1279 	uint8_t			mar_no_disk;
   1280 	uint8_t			mar_res1;
   1281 	uint16_t		mar_array_ref;
   1282 	uint8_t			mar_res2[20];
   1283 	struct {
   1284 		struct mfi_pd	mar_pd;
   1285 		uint16_t	mar_pd_state;
   1286 #define MFI_PD_UNCONFIG_GOOD	0x00
   1287 #define MFI_PD_UNCONFIG_BAD	0x01
   1288 #define MFI_PD_HOTSPARE		0x02
   1289 #define MFI_PD_OFFLINE		0x10
   1290 #define MFI_PD_FAILED		0x11
   1291 #define MFI_PD_REBUILD		0x14
   1292 #define MFI_PD_ONLINE		0x18
   1293 #define MFI_PD_COPYBACK		0x20
   1294 #define MFI_PD_SYSTEM		0x40
   1295 #define MFI_PD_JBOD		MFI_PD_SYSTEM
   1296 		uint8_t		mar_enc_pd;
   1297 		uint8_t		mar_enc_slot;
   1298 	} pd[MFI_MAX_PD_ARRAY];
   1299 } __packed;
   1300 
   1301 struct mfi_hotspare {
   1302 	struct mfi_pd	mhs_pd;
   1303 	uint8_t		mhs_type;
   1304 #define MFI_PD_HS_DEDICATED	0x01
   1305 #define MFI_PD_HS_REVERTIBLE	0x02
   1306 #define MFI_PD_HS_ENC_AFFINITY	0x04
   1307 	uint8_t		mhs_res[2];
   1308 	uint8_t		mhs_array_max;
   1309 	uint16_t	mhs_array_ref[MFI_MAX_ARRAY_DEDICATED];
   1310 } __packed;
   1311 
   1312 struct mfi_conf {
   1313 	uint32_t		mfc_size;
   1314 	uint16_t		mfc_no_array;
   1315 	uint16_t		mfc_array_size;
   1316 	uint16_t		mfc_no_ld;
   1317 	uint16_t		mfc_ld_size;
   1318 	uint16_t		mfc_no_hs;
   1319 	uint16_t		mfc_hs_size;
   1320 	uint8_t			mfc_res[16];
   1321 	/*
   1322 	 * XXX this is a ridiculous hack and does not reflect reality
   1323 	 * Structures are actually indexed and therefore need pointer
   1324 	 * math to reach.  We need the size of this structure first so
   1325 	 * call it with the size of this structure and then use the returned
   1326 	 * values to allocate memory and do the transfer of the whole structure
   1327 	 * then calculate pointers to each of these structures.
   1328 	 */
   1329 	struct mfi_array	mfc_array[1];
   1330 	struct mfi_ld_cfg	mfc_ld[1];
   1331 	struct mfi_hotspare	mfc_hs[1];
   1332 } __packed;
   1333 
   1334 /* informations from MR_DCMD_BBU_GET_CAPACITY_INFO */
   1335 struct mfi_bbu_capacity_info {
   1336 	uint16_t		relative_charge;
   1337 	uint16_t		absolute_charge;
   1338 	uint16_t		remaining_capacity;
   1339 	uint16_t		full_charge_capacity;
   1340 	uint16_t		run_time_to_empty;
   1341 	uint16_t		average_time_to_empty;
   1342 	uint16_t		average_time_to_full;
   1343 	uint16_t		cycle_count;
   1344 	uint16_t		max_error;
   1345 	uint16_t		remaining_capacity_alarm;
   1346 	uint16_t		remaining_time_alarm;
   1347 	uint8_t			reserved[26];
   1348 } __packed;
   1349 
   1350 /* informations from MR_DCMD_BBU_GET_DESIGN_INFO */
   1351 struct mfi_bbu_design_info {
   1352 	uint32_t		mfg_date;
   1353 	uint16_t		design_capacity;
   1354 	uint16_t		design_voltage;
   1355 	uint16_t		spec_info;
   1356 	uint16_t		serial_number;
   1357 	uint16_t		pack_stat_config;
   1358 	uint8_t			mfg_name[12];
   1359 	uint8_t			device_name[8];
   1360 	uint8_t			device_chemistry[8];
   1361 	uint8_t			mfg_data[8];
   1362 	uint8_t			reserved[17];
   1363 } __packed;
   1364 
   1365 struct mfi_ibbu_state {
   1366 	uint16_t		gas_guage_status;
   1367 	uint16_t		relative_charge;
   1368 	uint16_t		charger_system_state;
   1369 	uint16_t		charger_system_ctrl;
   1370 	uint16_t		charging_current;
   1371 	uint16_t		absolute_charge;
   1372 	uint16_t		max_error;
   1373 	uint8_t			reserved[18];
   1374 } __packed;
   1375 
   1376 struct mfi_bbu_state {
   1377 	uint16_t		gas_guage_status;
   1378 	uint16_t		relative_charge;
   1379 	uint16_t		charger_status;
   1380 	uint16_t		remaining_capacity;
   1381 	uint16_t		full_charge_capacity;
   1382 	uint8_t			is_SOH_good;
   1383 	uint8_t			reserved[21];
   1384 } __packed;
   1385 
   1386 union mfi_bbu_status_detail {
   1387 	struct mfi_ibbu_state	ibbu;
   1388 	struct mfi_bbu_state	bbu;
   1389 };
   1390 
   1391 /* informations from MR_DCMD_BBU_GET_STATUS */
   1392 struct mfi_bbu_status {
   1393 	uint8_t			battery_type;
   1394 #define MFI_BBU_TYPE_NONE	0
   1395 #define MFI_BBU_TYPE_IBBU	1
   1396 #define MFI_BBU_TYPE_BBU	2
   1397 #define MFI_BBU_TYPE_IBBU09	5
   1398 #define MFI_BBU_TYPE_CVPM02	6
   1399 	uint8_t			reserved;
   1400 	uint16_t		voltage; /* mV */
   1401 	int16_t			current; /* mA */
   1402 	uint16_t		temperature; /* degC */
   1403 	uint32_t		fw_status;
   1404 #define MFI_BBU_STATE_PACK_MISSING	(1 << 0)
   1405 #define MFI_BBU_STATE_VOLTAGE_LOW	(1 << 1)
   1406 #define MFI_BBU_STATE_TEMPERATURE_HIGH	(1 << 2)
   1407 #define MFI_BBU_STATE_CHARGE_ACTIVE	(1 << 3)
   1408 #define MFI_BBU_STATE_DISCHARGE_ACTIVE	(1 << 4)
   1409 #define MFI_BBU_STATE_LEARN_CYC_REQ	(1 << 5)
   1410 #define MFI_BBU_STATE_LEARN_CYC_ACTIVE	(1 << 6)
   1411 #define MFI_BBU_STATE_LEARN_CYC_FAIL	(1 << 7)
   1412 #define MFI_BBU_STATE_LEARN_CYC_TIMEOUT	(1 << 8)
   1413 #define MFI_BBU_STATE_I2C_ERR_DETECT	(1 << 9)
   1414 #define MFI_BBU_STATE_REPLACE_PACK	(1 << 10)
   1415 #define MFI_BBU_STATE_CAPACITY_LOW	(1 << 11)
   1416 #define MFI_BBU_STATE_LEARN_REQUIRED	(1 << 12)
   1417 #define MFI_BBU_STATE_BAD_IBBU	(					\
   1418 				    MFI_BBU_STATE_PACK_MISSING |	\
   1419 				    MFI_BBU_STATE_VOLTAGE_LOW |		\
   1420 				    MFI_BBU_STATE_DISCHARGE_ACTIVE |	\
   1421 				    MFI_BBU_STATE_LEARN_CYC_ACTIVE |	\
   1422 				    MFI_BBU_STATE_REPLACE_PACK |	\
   1423 				    MFI_BBU_STATE_CAPACITY_LOW)
   1424 #define MFI_BBU_STATE_BAD_BBU	(					\
   1425 				    MFI_BBU_STATE_PACK_MISSING |	\
   1426 				    MFI_BBU_STATE_REPLACE_PACK |	\
   1427 				    MFI_BBU_STATE_CAPACITY_LOW)
   1428 	uint8_t			pad[20];
   1429 	union mfi_bbu_status_detail detail;
   1430 } __packed;
   1431 
   1432 /* ThunderBolt support */
   1433 
   1434 /*
   1435  * Raid Context structure which describes MegaRAID specific IO Parameters
   1436  * This resides at offset 0x60 where the SGL normally starts in MPT IO Frames
   1437  */
   1438 typedef struct _mpi2_scsi_io_vendor_unique {
   1439 	uint16_t	resvd0;		/* 0x00 - 0x01 */
   1440 	uint16_t	timeoutValue;	/* 0x02 - 0x03 */
   1441 	uint8_t		regLockFlags;
   1442 	uint8_t		armId;
   1443 	uint16_t	TargetID;	/* 0x06 - 0x07 */
   1444 
   1445 	uint64_t	RegLockLBA;	/* 0x08 - 0x0F */
   1446 
   1447 	uint32_t	RegLockLength;	/* 0x10 - 0x13 */
   1448 
   1449 	uint16_t	SMID;		/* 0x14 - 0x15 nextLMId */
   1450 	uint8_t		exStatus;	/* 0x16 */
   1451 	uint8_t		Status;		/* 0x17 status */
   1452 
   1453 	uint8_t		RAIDFlags;	/* 0x18 */
   1454 	uint8_t		numSGE;		/* 0x19 numSge */
   1455 	uint16_t	configSeqNum;	/* 0x1A - 0x1B */
   1456 	uint8_t		spanArm;	/* 0x1C */
   1457 	uint8_t		resvd2[3];	/* 0x1D - 0x1F */
   1458 } mpi2_scsi_io_vendor_unique, mpi25_scsi_io_vendor_unique;
   1459 
   1460 /*****************************************************************************
   1461 *
   1462 *        Message Functions
   1463 *
   1464 *****************************************************************************/
   1465 
   1466 #define NA_MPI2_FUNCTION_SCSI_IO_REQUEST       (0x00) /* SCSI IO */
   1467 #define MPI2_FUNCTION_SCSI_TASK_MGMT	       (0x01) /* SCSI Task Management */
   1468 #define MPI2_FUNCTION_IOC_INIT		       (0x02) /* IOC Init */
   1469 #define MPI2_FUNCTION_IOC_FACTS		       (0x03) /* IOC Facts */
   1470 #define MPI2_FUNCTION_CONFIG		       (0x04) /* Configuration */
   1471 #define MPI2_FUNCTION_PORT_FACTS	       (0x05) /* Port Facts */
   1472 #define MPI2_FUNCTION_PORT_ENABLE	       (0x06) /* Port Enable */
   1473 #define MPI2_FUNCTION_EVENT_NOTIFICATION       (0x07) /* Event Notification */
   1474 #define MPI2_FUNCTION_EVENT_ACK		       (0x08) /* Event Acknowledge */
   1475 #define MPI2_FUNCTION_FW_DOWNLOAD	       (0x09) /* FW Download */
   1476 #define MPI2_FUNCTION_TARGET_ASSIST	       (0x0B) /* Target Assist */
   1477 #define MPI2_FUNCTION_TARGET_STATUS_SEND       (0x0C) /* Target Status Send */
   1478 #define MPI2_FUNCTION_TARGET_MODE_ABORT	       (0x0D) /* Target Mode Abort */
   1479 #define MPI2_FUNCTION_FW_UPLOAD		       (0x12) /* FW Upload */
   1480 #define MPI2_FUNCTION_RAID_ACTION	       (0x15) /* RAID Action */
   1481 #define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH (0x16) /* SCSI IO RAID Passthrough */
   1482 #define MPI2_FUNCTION_TOOLBOX		       (0x17) /* Toolbox */
   1483 #define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR (0x18) /* SCSI Enclosure Processor */
   1484 #define MPI2_FUNCTION_SMP_PASSTHROUGH	       (0x1A) /* SMP Passthrough */
   1485 #define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL      (0x1B) /* SAS IO Unit Control */
   1486 #define MPI2_FUNCTION_SATA_PASSTHROUGH	       (0x1C) /* SATA Passthrough */
   1487 #define MPI2_FUNCTION_DIAG_BUFFER_POST	       (0x1D) /* Diagnostic Buffer Post */
   1488 #define MPI2_FUNCTION_DIAG_RELEASE	       (0x1E) /* Diagnostic Release */
   1489 #define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST (0x24) /* Target Command Buffer Post Base */
   1490 #define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST (0x25) /* Target Command Buffer Post List */
   1491 #define MPI2_FUNCTION_RAID_ACCELERATOR	       (0x2C) /* RAID Accelerator */
   1492 #define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION (0x2F) /* Host Based Discovery Action */
   1493 #define MPI2_FUNCTION_PWR_MGMT_CONTROL	       (0x30) /* Power Management Control */
   1494 #define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC     (0xF0) /* beginning of product-specific range */
   1495 #define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC     (0xFF) /* end of product-specific range */
   1496 
   1497 /* Doorbell functions */
   1498 #define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET	(0x40)
   1499 #define MPI2_FUNCTION_HANDSHAKE			(0x42)
   1500 
   1501 /*****************************************************************************
   1502 *
   1503 *        MPI Version Definitions
   1504 *
   1505 *****************************************************************************/
   1506 
   1507 #define MPI2_VERSION_MAJOR                  (0x02)
   1508 #define MPI2_VERSION_MINOR                  (0x00)
   1509 #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
   1510 #define MPI2_VERSION_MAJOR_SHIFT            (8)
   1511 #define MPI2_VERSION_MINOR_MASK             (0x00FF)
   1512 #define MPI2_VERSION_MINOR_SHIFT            (0)
   1513 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) |   \
   1514                                       MPI2_VERSION_MINOR)
   1515 
   1516 #define MPI2_VERSION_02_00                  (0x0200)
   1517 
   1518 /* versioning for this MPI header set */
   1519 #define MPI2_HEADER_VERSION_UNIT            (0x10)
   1520 #define MPI2_HEADER_VERSION_DEV             (0x00)
   1521 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
   1522 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
   1523 #define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
   1524 #define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
   1525 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) |		\
   1526 					MPI2_HEADER_VERSION_DEV)
   1527 
   1528 
   1529 /* IOCInit Request message */
   1530 struct mpi2_ioc_init_request {
   1531 	uint8_t		WhoInit;                        /* 0x00 */
   1532 	uint8_t		Reserved1;                      /* 0x01 */
   1533 	uint8_t		ChainOffset;                    /* 0x02 */
   1534 	uint8_t		Function;                       /* 0x03 */
   1535 	uint16_t	Reserved2;                      /* 0x04 */
   1536 	uint8_t		Reserved3;                      /* 0x06 */
   1537 	uint8_t		MsgFlags;                       /* 0x07 */
   1538 	uint8_t		VP_ID;                          /* 0x08 */
   1539 	uint8_t		VF_ID;                          /* 0x09 */
   1540 	uint16_t	Reserved4;                      /* 0x0A */
   1541 	uint16_t	MsgVersion;                     /* 0x0C */
   1542 	uint16_t	HeaderVersion;                  /* 0x0E */
   1543 	uint32_t	Reserved5;                      /* 0x10 */
   1544 	uint16_t	Reserved6;                      /* 0x14 */
   1545 	uint8_t		Reserved7;                      /* 0x16 */
   1546 	uint8_t		HostMSIxVectors;                /* 0x17 */
   1547 	uint16_t	Reserved8;                      /* 0x18 */
   1548 	uint16_t	SystemRequestFrameSize;         /* 0x1A */
   1549 	uint16_t	ReplyDescriptorPostQueueDepth;  /* 0x1C */
   1550 	uint16_t	ReplyFreeQueueDepth;            /* 0x1E */
   1551 	uint32_t	SenseBufferAddressHigh;         /* 0x20 */
   1552 	uint32_t	SystemReplyAddressHigh;         /* 0x24 */
   1553 	uint64_t	SystemRequestFrameBaseAddress;  /* 0x28 */
   1554 	uint64_t	ReplyDescriptorPostQueueAddress;/* 0x30 */
   1555 	uint64_t	ReplyFreeQueueAddress;          /* 0x38 */
   1556 	uint64_t	TimeStamp;                      /* 0x40 */
   1557 };
   1558 
   1559 /* WhoInit values */
   1560 #define MPI2_WHOINIT_NOT_INITIALIZED            (0x00)
   1561 #define MPI2_WHOINIT_SYSTEM_BIOS                (0x01)
   1562 #define MPI2_WHOINIT_ROM_BIOS                   (0x02)
   1563 #define MPI2_WHOINIT_PCI_PEER                   (0x03)
   1564 #define MPI2_WHOINIT_HOST_DRIVER                (0x04)
   1565 #define MPI2_WHOINIT_MANUFACTURER               (0x05)
   1566 
   1567 struct mpi2_sge_chain_union {
   1568 	uint16_t	Length;
   1569 	uint8_t		NextChainOffset;
   1570 	uint8_t		Flags;
   1571 	union {
   1572 		uint32_t	Address32;
   1573 		uint64_t	Address64;
   1574 	} u;
   1575 };
   1576 
   1577 struct mpi2_ieee_sge_simple32 {
   1578 	uint32_t	Address;
   1579 	uint32_t	FlagsLength;
   1580 };
   1581 
   1582 struct mpi2_ieee_sge_simple64 {
   1583 	uint64_t	Address;
   1584 	uint32_t	Length;
   1585 	uint16_t	Reserved1;
   1586 	uint8_t		Reserved2;
   1587 	uint8_t		Flags;
   1588 };
   1589 
   1590 typedef union _mpi2_ieee_simple_union {
   1591 	struct mpi2_ieee_sge_simple32	Simple32;
   1592 	struct mpi2_ieee_sge_simple64	Simple64;
   1593 } mpi2_ieee_simple_union;
   1594 
   1595 typedef struct _mpi2_sge_simple_union {
   1596 	uint32_t	FlagsLength;
   1597 	union {
   1598 		uint32_t	Address32;
   1599 		uint64_t	Address64;
   1600 	} u;
   1601 } mpi2_sge_simple_union;
   1602 
   1603 /* MPI 2.5 SGLs */
   1604 
   1605 #define MPI25_IEEE_SGE_FLAGS_END_OF_LIST        (0x40)
   1606 
   1607 struct mpi25_ieee_sge_chain64 {
   1608 	uint64_t	Address;
   1609 	uint32_t	Length;
   1610 	uint16_t	Reserved1;
   1611 	uint8_t		NextChainOffset;
   1612 	uint8_t		Flags;
   1613 };
   1614 
   1615 /* use MPI2_IEEE_SGE_FLAGS_ defines for the Flags field */
   1616 
   1617 /****************************************************************************
   1618 *  IEEE SGE field definitions and masks
   1619 ****************************************************************************/
   1620 
   1621 /* Flags field bit definitions */
   1622 
   1623 #define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK   (0x80)
   1624 
   1625 #define MPI2_IEEE32_SGE_FLAGS_SHIFT             (24)
   1626 
   1627 #define MPI2_IEEE32_SGE_LENGTH_MASK             (0x00FFFFFF)
   1628 
   1629 /* Element Type */
   1630 
   1631 #define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT      (0x00)
   1632 #define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT       (0x80)
   1633 
   1634 /* Data Location Address Space */
   1635 
   1636 #define MPI2_IEEE_SGE_FLAGS_ADDR_MASK           (0x03)
   1637 #define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR         (0x00)
   1638 #define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR         (0x01)
   1639 #define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR         (0x02)
   1640 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03)
   1641 
   1642 /* Address Size */
   1643 
   1644 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
   1645 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
   1646 
   1647 /*******************/
   1648 /* SCSI IO Control bits */
   1649 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_MASK      (0xFC000000)
   1650 #define MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT     (26)
   1651 
   1652 #define MPI2_SCSIIO_CONTROL_DATADIRECTION_MASK  (0x03000000)
   1653 #define MPI2_SCSIIO_CONTROL_NODATATRANSFER      (0x00000000)
   1654 #define MPI2_SCSIIO_CONTROL_WRITE               (0x01000000)
   1655 #define MPI2_SCSIIO_CONTROL_READ                (0x02000000)
   1656 #define MPI2_SCSIIO_CONTROL_BIDIRECTIONAL       (0x03000000)
   1657 
   1658 #define MPI2_SCSIIO_CONTROL_TASKPRI_MASK        (0x00007800)
   1659 #define MPI2_SCSIIO_CONTROL_TASKPRI_SHIFT       (11)
   1660 
   1661 #define MPI2_SCSIIO_CONTROL_TASKATTRIBUTE_MASK  (0x00000700)
   1662 #define MPI2_SCSIIO_CONTROL_SIMPLEQ             (0x00000000)
   1663 #define MPI2_SCSIIO_CONTROL_HEADOFQ             (0x00000100)
   1664 #define MPI2_SCSIIO_CONTROL_ORDEREDQ            (0x00000200)
   1665 #define MPI2_SCSIIO_CONTROL_ACAQ                (0x00000400)
   1666 
   1667 #define MPI2_SCSIIO_CONTROL_TLR_MASK            (0x000000C0)
   1668 #define MPI2_SCSIIO_CONTROL_NO_TLR              (0x00000000)
   1669 #define MPI2_SCSIIO_CONTROL_TLR_ON              (0x00000040)
   1670 #define MPI2_SCSIIO_CONTROL_TLR_OFF             (0x00000080)
   1671 
   1672 /*******************/
   1673 
   1674 typedef struct {
   1675 	uint8_t		CDB[20];                    /* 0x00 */
   1676 	uint32_t	PrimaryReferenceTag;        /* 0x14 */
   1677 	uint16_t	PrimaryApplicationTag;      /* 0x18 */
   1678 	uint16_t	PrimaryApplicationTagMask;  /* 0x1A */
   1679 	uint32_t	TransferLength;             /* 0x1C */
   1680 } mpi2_scsi_io_cdb_eedp32;
   1681 
   1682 
   1683 typedef union _mpi2_ieee_sge_chain_union {
   1684 	struct mpi2_ieee_sge_simple32	Chain32;
   1685 	struct mpi25_ieee_sge_chain64	Chain64;
   1686 } mpi2_ieee_sge_chain_union;
   1687 
   1688 typedef union _mpi2_simple_sge_union {
   1689 	mpi2_sge_simple_union		MpiSimple;
   1690 	mpi2_ieee_simple_union	IeeeSimple;
   1691 } mpi2_simple_sge_union;
   1692 
   1693 typedef union _mpi2_sge_io_union {
   1694 	mpi2_sge_simple_union		MpiSimple;
   1695 	struct mpi2_sge_chain_union	MpiChain;
   1696 	mpi2_ieee_simple_union	IeeeSimple;
   1697 	mpi2_ieee_sge_chain_union	IeeeChain;
   1698 } mpi2_sge_io_union;
   1699 
   1700 typedef union {
   1701 	uint8_t			CDB32[32];
   1702 	mpi2_scsi_io_cdb_eedp32	EEDP32;
   1703 	mpi2_sge_simple_union	SGE;
   1704 } mpi2_scsi_io_cdb_union;
   1705 
   1706 
   1707 
   1708 /********/
   1709 
   1710 /*
   1711  * RAID SCSI IO Request Message
   1712  * Total SGE count will be one less than  _MPI2_SCSI_IO_REQUEST
   1713  */
   1714 struct mfi_mpi2_request_raid_scsi_io {
   1715 	uint16_t		DevHandle;                      /* 0x00 */
   1716 	uint8_t			ChainOffset;                    /* 0x02 */
   1717 	uint8_t			Function;                       /* 0x03 */
   1718 	uint16_t		Reserved1;                      /* 0x04 */
   1719 	uint8_t			Reserved2;                      /* 0x06 */
   1720 	uint8_t			MsgFlags;                       /* 0x07 */
   1721 	uint8_t			VP_ID;                          /* 0x08 */
   1722 	uint8_t			VF_ID;                          /* 0x09 */
   1723 	uint16_t		Reserved3;                      /* 0x0A */
   1724 	uint32_t		SenseBufferLowAddress;          /* 0x0C */
   1725 	uint16_t		SGLFlags;                       /* 0x10 */
   1726 	uint8_t			SenseBufferLength;              /* 0x12 */
   1727 	uint8_t			Reserved4;                      /* 0x13 */
   1728 	uint8_t			SGLOffset0;                     /* 0x14 */
   1729 	uint8_t			SGLOffset1;                     /* 0x15 */
   1730 	uint8_t			SGLOffset2;                     /* 0x16 */
   1731 	uint8_t			SGLOffset3;                     /* 0x17 */
   1732 	uint32_t		SkipCount;                      /* 0x18 */
   1733 	uint32_t		DataLength;                     /* 0x1C */
   1734 	uint32_t		BidirectionalDataLength;        /* 0x20 */
   1735 	uint16_t		IoFlags;                        /* 0x24 */
   1736 	uint16_t		EEDPFlags;                      /* 0x26 */
   1737 	uint32_t		EEDPBlockSize;                  /* 0x28 */
   1738 	uint32_t		SecondaryReferenceTag;          /* 0x2C */
   1739 	uint16_t		SecondaryApplicationTag;        /* 0x30 */
   1740 	uint16_t		ApplicationTagTranslationMask;  /* 0x32 */
   1741 	uint8_t			LUN[8];                         /* 0x34 */
   1742 	uint32_t		Control;                        /* 0x3C */
   1743 	mpi2_scsi_io_cdb_union	CDB;                            /* 0x40 */
   1744 	mpi2_scsi_io_vendor_unique	RaidContext;              /* 0x60 */
   1745 	mpi2_sge_io_union	SGL;                            /* 0x80 */
   1746 } __packed;
   1747 
   1748 /*
   1749  * MPT RAID MFA IO Descriptor.
   1750  */
   1751 typedef struct _mfi_raid_mfa_io_descriptor {
   1752 	uint32_t	RequestFlags : 8;
   1753 	uint32_t	MessageAddress1 : 24; /* bits 31:8*/
   1754 	uint32_t	MessageAddress2;      /* bits 61:32 */
   1755 } mfi_raid_mfa_io_request_descriptor;
   1756 
   1757 struct mfi_mpi2_request_header {
   1758 	uint8_t		RequestFlags;       /* 0x00 */
   1759 	uint8_t		MSIxIndex;          /* 0x01 */
   1760 	uint16_t	SMID;               /* 0x02 */
   1761 	uint16_t	LMID;               /* 0x04 */
   1762 };
   1763 
   1764 /* defines for the RequestFlags field */
   1765 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK               (0x0E)
   1766 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
   1767 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET             (0x02)
   1768 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY           (0x06)
   1769 #define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE            (0x08)
   1770 #define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR        (0x0A)
   1771 
   1772 #define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER (0x01)
   1773 
   1774 struct mfi_mpi2_request_high_priority {
   1775 	struct mfi_mpi2_request_header	header;
   1776 	uint16_t			reserved;
   1777 };
   1778 
   1779 struct mfi_mpi2_request_scsi_io {
   1780 	struct mfi_mpi2_request_header	header;
   1781 	uint16_t			scsi_io_dev_handle;
   1782 };
   1783 
   1784 struct mfi_mpi2_request_scsi_target {
   1785 	struct mfi_mpi2_request_header	header;
   1786 	uint16_t			scsi_target_io_index;
   1787 };
   1788 
   1789 /* Request Descriptors */
   1790 union mfi_mpi2_request_descriptor {
   1791 	struct mfi_mpi2_request_header		header;
   1792 	struct mfi_mpi2_request_high_priority	high_priority;
   1793 	struct mfi_mpi2_request_scsi_io		scsi_io;
   1794 	struct mfi_mpi2_request_scsi_target	scsi_target;
   1795 	uint64_t				words;
   1796 };
   1797 
   1798 /*
   1799  * Request descriptor types
   1800  */
   1801 #define MFI_REQ_DESCRIPT_FLAGS_LD_IO		0x7
   1802 #define MFI_REQ_DESCRIPT_FLAGS_MFA		0x1
   1803 #define MFI_REQ_DESCRIPT_FLAGS_TYPE_SHIFT	0x1
   1804 
   1805 #define MFI_FUSION_FP_DEFAULT_TIMEOUT		0x14
   1806 
   1807 struct mfi_mpi2_reply_header {
   1808 	uint8_t		ReplyFlags;                 /* 0x00 */
   1809 	uint8_t		MSIxIndex;                  /* 0x01 */
   1810 	uint16_t	SMID;                       /* 0x02 */
   1811 };
   1812 
   1813 /* defines for the ReplyFlags field */
   1814 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK                   (0x0F)
   1815 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS             (0x00)
   1816 #define MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY               (0x01)
   1817 #define MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS        (0x02)
   1818 #define MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER       (0x03)
   1819 #define MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS    (0x05)
   1820 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED                      (0x0F)
   1821 
   1822 /* values for marking a reply descriptor as unused */
   1823 #define MPI2_RPY_DESCRIPT_UNUSED_WORD0_MARK             (0xFFFFFFFF)
   1824 #define MPI2_RPY_DESCRIPT_UNUSED_WORD1_MARK             (0xFFFFFFFF)
   1825 
   1826 struct mfi_mpi2_reply_default {
   1827 	struct mfi_mpi2_reply_header	header;
   1828 	uint32_t			DescriptorTypeDependent2;
   1829 };
   1830 
   1831 struct mfi_mpi2_reply_address {
   1832 	struct mfi_mpi2_reply_header	header;
   1833 	uint32_t			ReplyFrameAddress;
   1834 };
   1835 
   1836 struct mfi_mpi2_reply_scsi_io {
   1837 	struct mfi_mpi2_reply_header	header;
   1838 	uint16_t			TaskTag;		/* 0x04 */
   1839 	uint16_t			Reserved1;		/* 0x06 */
   1840 };
   1841 
   1842 struct mfi_mpi2_reply_target_assist {
   1843 	struct mfi_mpi2_reply_header	header;
   1844 	uint8_t				SequenceNumber;		/* 0x04 */
   1845 	uint8_t				Reserved1;		/* 0x04 */
   1846 	uint16_t			IoIndex;		/* 0x06 */
   1847 };
   1848 
   1849 struct mfi_mpi2_reply_target_cmd_buffer {
   1850 	struct mfi_mpi2_reply_header	header;
   1851 	uint8_t				SequenceNumber;		/* 0x04 */
   1852 	uint8_t				Flags;			/* 0x04 */
   1853 	uint16_t			InitiatorDevHandle;	/* 0x06 */
   1854 	uint16_t			IoIndex;		/* 0x06 */
   1855 };
   1856 
   1857 struct mfi_mpi2_reply_raid_accel {
   1858 	struct mfi_mpi2_reply_header	header;
   1859 	uint8_t				SequenceNumber;		/* 0x04 */
   1860 	uint32_t			Reserved;		/* 0x04 */
   1861 };
   1862 
   1863 /* union of Reply Descriptors */
   1864 union mfi_mpi2_reply_descriptor {
   1865 	struct mfi_mpi2_reply_header		header;
   1866 	struct mfi_mpi2_reply_scsi_io		scsi_io;
   1867 	struct mfi_mpi2_reply_target_assist	target_assist;
   1868 	struct mfi_mpi2_reply_target_cmd_buffer	target_cmd;
   1869 	struct mfi_mpi2_reply_raid_accel	raid_accel;
   1870 	struct mfi_mpi2_reply_default		reply_default;
   1871 	uint64_t				words;
   1872 };
   1873 
   1874 struct io_request_info {
   1875 	uint64_t	ldStartBlock;
   1876 	uint32_t	numBlocks;
   1877 	uint16_t	ldTgtId;
   1878 	uint8_t		isRead;
   1879 	uint16_t	devHandle;
   1880 	uint64_t	pdBlock;
   1881 	uint8_t		fpOkForIo;
   1882 };
   1883 
   1884 /*
   1885  * Define MFI Address Context union.
   1886  */
   1887 #ifdef MFI_ADDRESS_IS_uint64_t
   1888 typedef uint64_t     mfi_address;
   1889 #else
   1890 typedef union _mfi_address {
   1891 	struct {
   1892 		uint32_t     addressLow;
   1893 		uint32_t     addressHigh;
   1894 	} u;
   1895 	uint64_t     address;
   1896 } mfi_address;
   1897 #endif
   1898 
   1899 #define MEGASAS_MAX_NAME        32
   1900 #define MEGASAS_VERSION         "4.23"
   1901 
   1902 #endif /* _DEV_IC_MFIREG_H_ */
   1903