drivers/scsi/megaraid/megaraid_sas.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *  Linux MegaRAID driver for SAS based RAID controllers
   4  *
   5  *  Copyright (c) 2003-2013  LSI Corporation
   6  *  Copyright (c) 2013-2016  Avago Technologies
   7  *  Copyright (c) 2016-2018  Broadcom Inc.
   8  *
   9  *  FILE: megaraid_sas.h
  10  *
  11  *  Authors: Broadcom Inc.
  12  *           Kashyap Desai <kashyap.desai@broadcom.com>
  13  *           Sumit Saxena <sumit.saxena@broadcom.com>
  14  *
  15  *  Send feedback to: megaraidlinux.pdl@broadcom.com
  16  */
  17
  18 #ifndef LSI_MEGARAID_SAS_H
  19 #define LSI_MEGARAID_SAS_H
  20
  21 /*
  22  * MegaRAID SAS Driver meta data
  23  */
  24 #define MEGASAS_VERSION                         "07.717.02.00-rc1"
  25 #define MEGASAS_RELDATE                         "May 19, 2021"
  26
  27 #define MEGASAS_MSIX_NAME_LEN                   32
  28
  29 /*
  30  * Device IDs
  31  */
  32 #define PCI_DEVICE_ID_LSI_SAS1078R              0x0060
  33 #define PCI_DEVICE_ID_LSI_SAS1078DE             0x007C
  34 #define PCI_DEVICE_ID_LSI_VERDE_ZCR             0x0413
  35 #define PCI_DEVICE_ID_LSI_SAS1078GEN2           0x0078
  36 #define PCI_DEVICE_ID_LSI_SAS0079GEN2           0x0079
  37 #define PCI_DEVICE_ID_LSI_SAS0073SKINNY         0x0073
  38 #define PCI_DEVICE_ID_LSI_SAS0071SKINNY         0x0071
  39 #define PCI_DEVICE_ID_LSI_FUSION                0x005b
  40 #define PCI_DEVICE_ID_LSI_PLASMA                0x002f
  41 #define PCI_DEVICE_ID_LSI_INVADER               0x005d
  42 #define PCI_DEVICE_ID_LSI_FURY                  0x005f
  43 #define PCI_DEVICE_ID_LSI_INTRUDER              0x00ce
  44 #define PCI_DEVICE_ID_LSI_INTRUDER_24           0x00cf
  45 #define PCI_DEVICE_ID_LSI_CUTLASS_52            0x0052
  46 #define PCI_DEVICE_ID_LSI_CUTLASS_53            0x0053
  47 #define PCI_DEVICE_ID_LSI_VENTURA                   0x0014
  48 #define PCI_DEVICE_ID_LSI_CRUSADER                  0x0015
  49 #define PCI_DEVICE_ID_LSI_HARPOON                   0x0016
  50 #define PCI_DEVICE_ID_LSI_TOMCAT                    0x0017
  51 #define PCI_DEVICE_ID_LSI_VENTURA_4PORT         0x001B
  52 #define PCI_DEVICE_ID_LSI_CRUSADER_4PORT        0x001C
  53 #define PCI_DEVICE_ID_LSI_AERO_10E1             0x10e1
  54 #define PCI_DEVICE_ID_LSI_AERO_10E2             0x10e2
  55 #define PCI_DEVICE_ID_LSI_AERO_10E5             0x10e5
  56 #define PCI_DEVICE_ID_LSI_AERO_10E6             0x10e6
  57 #define PCI_DEVICE_ID_LSI_AERO_10E0             0x10e0
  58 #define PCI_DEVICE_ID_LSI_AERO_10E3             0x10e3
  59 #define PCI_DEVICE_ID_LSI_AERO_10E4             0x10e4
  60 #define PCI_DEVICE_ID_LSI_AERO_10E7             0x10e7
  61
  62 /*
  63  * Intel HBA SSDIDs
  64  */
  65 #define MEGARAID_INTEL_RS3DC080_SSDID           0x9360
  66 #define MEGARAID_INTEL_RS3DC040_SSDID           0x9362
  67 #define MEGARAID_INTEL_RS3SC008_SSDID           0x9380
  68 #define MEGARAID_INTEL_RS3MC044_SSDID           0x9381
  69 #define MEGARAID_INTEL_RS3WC080_SSDID           0x9341
  70 #define MEGARAID_INTEL_RS3WC040_SSDID           0x9343
  71 #define MEGARAID_INTEL_RMS3BC160_SSDID          0x352B
  72
  73 /*
  74  * Intruder HBA SSDIDs
  75  */
  76 #define MEGARAID_INTRUDER_SSDID1                0x9371
  77 #define MEGARAID_INTRUDER_SSDID2                0x9390
  78 #define MEGARAID_INTRUDER_SSDID3                0x9370
  79
  80 /*
  81  * Intel HBA branding
  82  */
  83 #define MEGARAID_INTEL_RS3DC080_BRANDING        \
  84         "Intel(R) RAID Controller RS3DC080"
  85 #define MEGARAID_INTEL_RS3DC040_BRANDING        \
  86         "Intel(R) RAID Controller RS3DC040"
  87 #define MEGARAID_INTEL_RS3SC008_BRANDING        \
  88         "Intel(R) RAID Controller RS3SC008"
  89 #define MEGARAID_INTEL_RS3MC044_BRANDING        \
  90         "Intel(R) RAID Controller RS3MC044"
  91 #define MEGARAID_INTEL_RS3WC080_BRANDING        \
  92         "Intel(R) RAID Controller RS3WC080"
  93 #define MEGARAID_INTEL_RS3WC040_BRANDING        \
  94         "Intel(R) RAID Controller RS3WC040"
  95 #define MEGARAID_INTEL_RMS3BC160_BRANDING       \
  96         "Intel(R) Integrated RAID Module RMS3BC160"
  97
  98 /*
  99  * =====================================
 100  * MegaRAID SAS MFI firmware definitions
 101  * =====================================
 102  */
 103
 104 /*
 105  * MFI stands for  MegaRAID SAS FW Interface. This is just a moniker for
 106  * protocol between the software and firmware. Commands are issued using
 107  * "message frames"
 108  */
 109
 110 /*
 111  * FW posts its state in upper 4 bits of outbound_msg_0 register
 112  */
 113 #define MFI_STATE_MASK                          0xF0000000
 114 #define MFI_STATE_UNDEFINED                     0x00000000
 115 #define MFI_STATE_BB_INIT                       0x10000000
 116 #define MFI_STATE_FW_INIT                       0x40000000
 117 #define MFI_STATE_WAIT_HANDSHAKE                0x60000000
 118 #define MFI_STATE_FW_INIT_2                     0x70000000
 119 #define MFI_STATE_DEVICE_SCAN                   0x80000000
 120 #define MFI_STATE_BOOT_MESSAGE_PENDING          0x90000000
 121 #define MFI_STATE_FLUSH_CACHE                   0xA0000000
 122 #define MFI_STATE_READY                         0xB0000000
 123 #define MFI_STATE_OPERATIONAL                   0xC0000000
 124 #define MFI_STATE_FAULT                         0xF0000000
 125 #define MFI_STATE_FORCE_OCR                     0x00000080
 126 #define MFI_STATE_DMADONE                       0x00000008
 127 #define MFI_STATE_CRASH_DUMP_DONE               0x00000004
 128 #define MFI_RESET_REQUIRED                      0x00000001
 129 #define MFI_RESET_ADAPTER                       0x00000002
 130 #define MEGAMFI_FRAME_SIZE                      64
 131
 132 #define MFI_STATE_FAULT_CODE                    0x0FFF0000
 133 #define MFI_STATE_FAULT_SUBCODE                 0x0000FF00
 134 /*
 135  * During FW init, clear pending cmds & reset state using inbound_msg_0
 136  *
 137  * ABORT        : Abort all pending cmds
 138  * READY        : Move from OPERATIONAL to READY state; discard queue info
 139  * MFIMODE      : Discard (possible) low MFA posted in 64-bit mode (??)
 140  * CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver
 141  * HOTPLUG      : Resume from Hotplug
 142  * MFI_STOP_ADP : Send signal to FW to stop processing
 143  * MFI_ADP_TRIGGER_SNAP_DUMP: Inform firmware to initiate snap dump
 144  */
 145 #define WRITE_SEQUENCE_OFFSET           (0x0000000FC) /* I20 */
 146 #define HOST_DIAGNOSTIC_OFFSET          (0x000000F8)  /* I20 */
 147 #define DIAG_WRITE_ENABLE                       (0x00000080)
 148 #define DIAG_RESET_ADAPTER                      (0x00000004)
 149
 150 #define MFI_ADP_RESET                           0x00000040
 151 #define MFI_INIT_ABORT                          0x00000001
 152 #define MFI_INIT_READY                          0x00000002
 153 #define MFI_INIT_MFIMODE                        0x00000004
 154 #define MFI_INIT_CLEAR_HANDSHAKE                0x00000008
 155 #define MFI_INIT_HOTPLUG                        0x00000010
 156 #define MFI_STOP_ADP                            0x00000020
 157 #define MFI_RESET_FLAGS                         MFI_INIT_READY| \
 158                                                 MFI_INIT_MFIMODE| \
 159                                                 MFI_INIT_ABORT
 160 #define MFI_ADP_TRIGGER_SNAP_DUMP               0x00000100
 161 #define MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE    (0x01)
 162
 163 /*
 164  * MFI frame flags
 165  */
 166 #define MFI_FRAME_POST_IN_REPLY_QUEUE           0x0000
 167 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE      0x0001
 168 #define MFI_FRAME_SGL32                         0x0000
 169 #define MFI_FRAME_SGL64                         0x0002
 170 #define MFI_FRAME_SENSE32                       0x0000
 171 #define MFI_FRAME_SENSE64                       0x0004
 172 #define MFI_FRAME_DIR_NONE                      0x0000
 173 #define MFI_FRAME_DIR_WRITE                     0x0008
 174 #define MFI_FRAME_DIR_READ                      0x0010
 175 #define MFI_FRAME_DIR_BOTH                      0x0018
 176 #define MFI_FRAME_IEEE                          0x0020
 177
 178 /* Driver internal */
 179 #define DRV_DCMD_POLLED_MODE            0x1
 180 #define DRV_DCMD_SKIP_REFIRE            0x2
 181
 182 /*
 183  * Definition for cmd_status
 184  */
 185 #define MFI_CMD_STATUS_POLL_MODE                0xFF
 186
 187 /*
 188  * MFI command opcodes
 189  */
 190 enum MFI_CMD_OP {
 191         MFI_CMD_INIT            = 0x0,
 192         MFI_CMD_LD_READ         = 0x1,
 193         MFI_CMD_LD_WRITE        = 0x2,
 194         MFI_CMD_LD_SCSI_IO      = 0x3,
 195         MFI_CMD_PD_SCSI_IO      = 0x4,
 196         MFI_CMD_DCMD            = 0x5,
 197         MFI_CMD_ABORT           = 0x6,
 198         MFI_CMD_SMP             = 0x7,
 199         MFI_CMD_STP             = 0x8,
 200         MFI_CMD_NVME            = 0x9,
 201         MFI_CMD_TOOLBOX         = 0xa,
 202         MFI_CMD_OP_COUNT,
 203         MFI_CMD_INVALID         = 0xff
 204 };
 205
 206 #define MR_DCMD_CTRL_GET_INFO                   0x01010000
 207 #define MR_DCMD_LD_GET_LIST                     0x03010000
 208 #define MR_DCMD_LD_LIST_QUERY                   0x03010100
 209
 210 #define MR_DCMD_CTRL_CACHE_FLUSH                0x01101000
 211 #define MR_FLUSH_CTRL_CACHE                     0x01
 212 #define MR_FLUSH_DISK_CACHE                     0x02
 213
 214 #define MR_DCMD_CTRL_SHUTDOWN                   0x01050000
 215 #define MR_DCMD_HIBERNATE_SHUTDOWN              0x01060000
 216 #define MR_ENABLE_DRIVE_SPINDOWN                0x01
 217
 218 #define MR_DCMD_CTRL_EVENT_GET_INFO             0x01040100
 219 #define MR_DCMD_CTRL_EVENT_GET                  0x01040300
 220 #define MR_DCMD_CTRL_EVENT_WAIT                 0x01040500
 221 #define MR_DCMD_LD_GET_PROPERTIES               0x03030000
 222
 223 #define MR_DCMD_CLUSTER                         0x08000000
 224 #define MR_DCMD_CLUSTER_RESET_ALL               0x08010100
 225 #define MR_DCMD_CLUSTER_RESET_LD                0x08010200
 226 #define MR_DCMD_PD_LIST_QUERY                   0x02010100
 227
 228 #define MR_DCMD_CTRL_SET_CRASH_DUMP_PARAMS      0x01190100
 229 #define MR_DRIVER_SET_APP_CRASHDUMP_MODE        (0xF0010000 | 0x0600)
 230 #define MR_DCMD_PD_GET_INFO                     0x02020000
 231
 232 /*
 233  * Global functions
 234  */
 235 extern u8 MR_ValidateMapInfo(struct megasas_instance *instance, u64 map_id);
 236
 237
 238 /*
 239  * MFI command completion codes
 240  */
 241 enum MFI_STAT {
 242         MFI_STAT_OK = 0x00,
 243         MFI_STAT_INVALID_CMD = 0x01,
 244         MFI_STAT_INVALID_DCMD = 0x02,
 245         MFI_STAT_INVALID_PARAMETER = 0x03,
 246         MFI_STAT_INVALID_SEQUENCE_NUMBER = 0x04,
 247         MFI_STAT_ABORT_NOT_POSSIBLE = 0x05,
 248         MFI_STAT_APP_HOST_CODE_NOT_FOUND = 0x06,
 249         MFI_STAT_APP_IN_USE = 0x07,
 250         MFI_STAT_APP_NOT_INITIALIZED = 0x08,
 251         MFI_STAT_ARRAY_INDEX_INVALID = 0x09,
 252         MFI_STAT_ARRAY_ROW_NOT_EMPTY = 0x0a,
 253         MFI_STAT_CONFIG_RESOURCE_CONFLICT = 0x0b,
 254         MFI_STAT_DEVICE_NOT_FOUND = 0x0c,
 255         MFI_STAT_DRIVE_TOO_SMALL = 0x0d,
 256         MFI_STAT_FLASH_ALLOC_FAIL = 0x0e,
 257         MFI_STAT_FLASH_BUSY = 0x0f,
 258         MFI_STAT_FLASH_ERROR = 0x10,
 259         MFI_STAT_FLASH_IMAGE_BAD = 0x11,
 260         MFI_STAT_FLASH_IMAGE_INCOMPLETE = 0x12,
 261         MFI_STAT_FLASH_NOT_OPEN = 0x13,
 262         MFI_STAT_FLASH_NOT_STARTED = 0x14,
 263         MFI_STAT_FLUSH_FAILED = 0x15,
 264         MFI_STAT_HOST_CODE_NOT_FOUNT = 0x16,
 265         MFI_STAT_LD_CC_IN_PROGRESS = 0x17,
 266         MFI_STAT_LD_INIT_IN_PROGRESS = 0x18,
 267         MFI_STAT_LD_LBA_OUT_OF_RANGE = 0x19,
 268         MFI_STAT_LD_MAX_CONFIGURED = 0x1a,
 269         MFI_STAT_LD_NOT_OPTIMAL = 0x1b,
 270         MFI_STAT_LD_RBLD_IN_PROGRESS = 0x1c,
 271         MFI_STAT_LD_RECON_IN_PROGRESS = 0x1d,
 272         MFI_STAT_LD_WRONG_RAID_LEVEL = 0x1e,
 273         MFI_STAT_MAX_SPARES_EXCEEDED = 0x1f,
 274         MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20,
 275         MFI_STAT_MFC_HW_ERROR = 0x21,
 276         MFI_STAT_NO_HW_PRESENT = 0x22,
 277         MFI_STAT_NOT_FOUND = 0x23,
 278         MFI_STAT_NOT_IN_ENCL = 0x24,
 279         MFI_STAT_PD_CLEAR_IN_PROGRESS = 0x25,
 280         MFI_STAT_PD_TYPE_WRONG = 0x26,
 281         MFI_STAT_PR_DISABLED = 0x27,
 282         MFI_STAT_ROW_INDEX_INVALID = 0x28,
 283         MFI_STAT_SAS_CONFIG_INVALID_ACTION = 0x29,
 284         MFI_STAT_SAS_CONFIG_INVALID_DATA = 0x2a,
 285         MFI_STAT_SAS_CONFIG_INVALID_PAGE = 0x2b,
 286         MFI_STAT_SAS_CONFIG_INVALID_TYPE = 0x2c,
 287         MFI_STAT_SCSI_DONE_WITH_ERROR = 0x2d,
 288         MFI_STAT_SCSI_IO_FAILED = 0x2e,
 289         MFI_STAT_SCSI_RESERVATION_CONFLICT = 0x2f,
 290         MFI_STAT_SHUTDOWN_FAILED = 0x30,
 291         MFI_STAT_TIME_NOT_SET = 0x31,
 292         MFI_STAT_WRONG_STATE = 0x32,
 293         MFI_STAT_LD_OFFLINE = 0x33,
 294         MFI_STAT_PEER_NOTIFICATION_REJECTED = 0x34,
 295         MFI_STAT_PEER_NOTIFICATION_FAILED = 0x35,
 296         MFI_STAT_RESERVATION_IN_PROGRESS = 0x36,
 297         MFI_STAT_I2C_ERRORS_DETECTED = 0x37,
 298         MFI_STAT_PCI_ERRORS_DETECTED = 0x38,
 299         MFI_STAT_CONFIG_SEQ_MISMATCH = 0x67,
 300
 301         MFI_STAT_INVALID_STATUS = 0xFF
 302 };
 303
 304 enum mfi_evt_class {
 305         MFI_EVT_CLASS_DEBUG =           -2,
 306         MFI_EVT_CLASS_PROGRESS =        -1,
 307         MFI_EVT_CLASS_INFO =            0,
 308         MFI_EVT_CLASS_WARNING =         1,
 309         MFI_EVT_CLASS_CRITICAL =        2,
 310         MFI_EVT_CLASS_FATAL =           3,
 311         MFI_EVT_CLASS_DEAD =            4
 312 };
 313
 314 /*
 315  * Crash dump related defines
 316  */
 317 #define MAX_CRASH_DUMP_SIZE 512
 318 #define CRASH_DMA_BUF_SIZE  (1024 * 1024)
 319
 320 enum MR_FW_CRASH_DUMP_STATE {
 321         UNAVAILABLE = 0,
 322         AVAILABLE = 1,
 323         COPYING = 2,
 324         COPIED = 3,
 325         COPY_ERROR = 4,
 326 };
 327
 328 enum _MR_CRASH_BUF_STATUS {
 329         MR_CRASH_BUF_TURN_OFF = 0,
 330         MR_CRASH_BUF_TURN_ON = 1,
 331 };
 332
 333 /*
 334  * Number of mailbox bytes in DCMD message frame
 335  */
 336 #define MFI_MBOX_SIZE                           12
 337
 338 enum MR_EVT_CLASS {
 339
 340         MR_EVT_CLASS_DEBUG = -2,
 341         MR_EVT_CLASS_PROGRESS = -1,
 342         MR_EVT_CLASS_INFO = 0,
 343         MR_EVT_CLASS_WARNING = 1,
 344         MR_EVT_CLASS_CRITICAL = 2,
 345         MR_EVT_CLASS_FATAL = 3,
 346         MR_EVT_CLASS_DEAD = 4,
 347
 348 };
 349
 350 enum MR_EVT_LOCALE {
 351
 352         MR_EVT_LOCALE_LD = 0x0001,
 353         MR_EVT_LOCALE_PD = 0x0002,
 354         MR_EVT_LOCALE_ENCL = 0x0004,
 355         MR_EVT_LOCALE_BBU = 0x0008,
 356         MR_EVT_LOCALE_SAS = 0x0010,
 357         MR_EVT_LOCALE_CTRL = 0x0020,
 358         MR_EVT_LOCALE_CONFIG = 0x0040,
 359         MR_EVT_LOCALE_CLUSTER = 0x0080,
 360         MR_EVT_LOCALE_ALL = 0xffff,
 361
 362 };
 363
 364 enum MR_EVT_ARGS {
 365
 366         MR_EVT_ARGS_NONE,
 367         MR_EVT_ARGS_CDB_SENSE,
 368         MR_EVT_ARGS_LD,
 369         MR_EVT_ARGS_LD_COUNT,
 370         MR_EVT_ARGS_LD_LBA,
 371         MR_EVT_ARGS_LD_OWNER,
 372         MR_EVT_ARGS_LD_LBA_PD_LBA,
 373         MR_EVT_ARGS_LD_PROG,
 374         MR_EVT_ARGS_LD_STATE,
 375         MR_EVT_ARGS_LD_STRIP,
 376         MR_EVT_ARGS_PD,
 377         MR_EVT_ARGS_PD_ERR,
 378         MR_EVT_ARGS_PD_LBA,
 379         MR_EVT_ARGS_PD_LBA_LD,
 380         MR_EVT_ARGS_PD_PROG,
 381         MR_EVT_ARGS_PD_STATE,
 382         MR_EVT_ARGS_PCI,
 383         MR_EVT_ARGS_RATE,
 384         MR_EVT_ARGS_STR,
 385         MR_EVT_ARGS_TIME,
 386         MR_EVT_ARGS_ECC,
 387         MR_EVT_ARGS_LD_PROP,
 388         MR_EVT_ARGS_PD_SPARE,
 389         MR_EVT_ARGS_PD_INDEX,
 390         MR_EVT_ARGS_DIAG_PASS,
 391         MR_EVT_ARGS_DIAG_FAIL,
 392         MR_EVT_ARGS_PD_LBA_LBA,
 393         MR_EVT_ARGS_PORT_PHY,
 394         MR_EVT_ARGS_PD_MISSING,
 395         MR_EVT_ARGS_PD_ADDRESS,
 396         MR_EVT_ARGS_BITMAP,
 397         MR_EVT_ARGS_CONNECTOR,
 398         MR_EVT_ARGS_PD_PD,
 399         MR_EVT_ARGS_PD_FRU,
 400         MR_EVT_ARGS_PD_PATHINFO,
 401         MR_EVT_ARGS_PD_POWER_STATE,
 402         MR_EVT_ARGS_GENERIC,
 403 };
 404
 405
 406 #define SGE_BUFFER_SIZE 4096
 407 #define MEGASAS_CLUSTER_ID_SIZE 16
 408 /*
 409  * define constants for device list query options
 410  */
 411 enum MR_PD_QUERY_TYPE {
 412         MR_PD_QUERY_TYPE_ALL                = 0,
 413         MR_PD_QUERY_TYPE_STATE              = 1,
 414         MR_PD_QUERY_TYPE_POWER_STATE        = 2,
 415         MR_PD_QUERY_TYPE_MEDIA_TYPE         = 3,
 416         MR_PD_QUERY_TYPE_SPEED              = 4,
 417         MR_PD_QUERY_TYPE_EXPOSED_TO_HOST    = 5,
 418 };
 419
 420 enum MR_LD_QUERY_TYPE {
 421         MR_LD_QUERY_TYPE_ALL             = 0,
 422         MR_LD_QUERY_TYPE_EXPOSED_TO_HOST = 1,
 423         MR_LD_QUERY_TYPE_USED_TGT_IDS    = 2,
 424         MR_LD_QUERY_TYPE_CLUSTER_ACCESS  = 3,
 425         MR_LD_QUERY_TYPE_CLUSTER_LOCALE  = 4,
 426 };
 427
 428
 429 #define MR_EVT_CFG_CLEARED                              0x0004
 430 #define MR_EVT_LD_STATE_CHANGE                          0x0051
 431 #define MR_EVT_PD_INSERTED                              0x005b
 432 #define MR_EVT_PD_REMOVED                               0x0070
 433 #define MR_EVT_LD_CREATED                               0x008a
 434 #define MR_EVT_LD_DELETED                               0x008b
 435 #define MR_EVT_FOREIGN_CFG_IMPORTED                     0x00db
 436 #define MR_EVT_LD_OFFLINE                               0x00fc
 437 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED             0x0152
 438 #define MR_EVT_CTRL_PROP_CHANGED                        0x012f
 439
 440 enum MR_PD_STATE {
 441         MR_PD_STATE_UNCONFIGURED_GOOD   = 0x00,
 442         MR_PD_STATE_UNCONFIGURED_BAD    = 0x01,
 443         MR_PD_STATE_HOT_SPARE           = 0x02,
 444         MR_PD_STATE_OFFLINE             = 0x10,
 445         MR_PD_STATE_FAILED              = 0x11,
 446         MR_PD_STATE_REBUILD             = 0x14,
 447         MR_PD_STATE_ONLINE              = 0x18,
 448         MR_PD_STATE_COPYBACK            = 0x20,
 449         MR_PD_STATE_SYSTEM              = 0x40,
 450  };
 451
 452 union MR_PD_REF {
 453         struct {
 454                 u16      deviceId;
 455                 u16      seqNum;
 456         } mrPdRef;
 457         u32      ref;
 458 };
 459
 460 /*
 461  * define the DDF Type bit structure
 462  */
 463 union MR_PD_DDF_TYPE {
 464          struct {
 465                 union {
 466                         struct {
 467 #ifndef __BIG_ENDIAN_BITFIELD
 468                                  u16     forcedPDGUID:1;
 469                                  u16     inVD:1;
 470                                  u16     isGlobalSpare:1;
 471                                  u16     isSpare:1;
 472                                  u16     isForeign:1;
 473                                  u16     reserved:7;
 474                                  u16     intf:4;
 475 #else
 476                                  u16     intf:4;
 477                                  u16     reserved:7;
 478                                  u16     isForeign:1;
 479                                  u16     isSpare:1;
 480                                  u16     isGlobalSpare:1;
 481                                  u16     inVD:1;
 482                                  u16     forcedPDGUID:1;
 483 #endif
 484                          } pdType;
 485                          u16     type;
 486                  };
 487                  u16     reserved;
 488          } ddf;
 489          struct {
 490                  u32    reserved;
 491          } nonDisk;
 492          u32     type;
 493 } __packed;
 494
 495 /*
 496  * defines the progress structure
 497  */
 498 union MR_PROGRESS {
 499         struct  {
 500                 u16 progress;
 501                 union {
 502                         u16 elapsedSecs;
 503                         u16 elapsedSecsForLastPercent;
 504                 };
 505         } mrProgress;
 506         u32 w;
 507 } __packed;
 508
 509 /*
 510  * defines the physical drive progress structure
 511  */
 512 struct MR_PD_PROGRESS {
 513         struct {
 514 #ifndef __BIG_ENDIAN_BITFIELD
 515                 u32     rbld:1;
 516                 u32     patrol:1;
 517                 u32     clear:1;
 518                 u32     copyBack:1;
 519                 u32     erase:1;
 520                 u32     locate:1;
 521                 u32     reserved:26;
 522 #else
 523                 u32     reserved:26;
 524                 u32     locate:1;
 525                 u32     erase:1;
 526                 u32     copyBack:1;
 527                 u32     clear:1;
 528                 u32     patrol:1;
 529                 u32     rbld:1;
 530 #endif
 531         } active;
 532         union MR_PROGRESS     rbld;
 533         union MR_PROGRESS     patrol;
 534         union {
 535                 union MR_PROGRESS     clear;
 536                 union MR_PROGRESS     erase;
 537         };
 538
 539         struct {
 540 #ifndef __BIG_ENDIAN_BITFIELD
 541                 u32     rbld:1;
 542                 u32     patrol:1;
 543                 u32     clear:1;
 544                 u32     copyBack:1;
 545                 u32     erase:1;
 546                 u32     reserved:27;
 547 #else
 548                 u32     reserved:27;
 549                 u32     erase:1;
 550                 u32     copyBack:1;
 551                 u32     clear:1;
 552                 u32     patrol:1;
 553                 u32     rbld:1;
 554 #endif
 555         } pause;
 556
 557         union MR_PROGRESS     reserved[3];
 558 } __packed;
 559
 560 struct  MR_PD_INFO {
 561         union MR_PD_REF ref;
 562         u8 inquiryData[96];
 563         u8 vpdPage83[64];
 564         u8 notSupported;
 565         u8 scsiDevType;
 566
 567         union {
 568                 u8 connectedPortBitmap;
 569                 u8 connectedPortNumbers;
 570         };
 571
 572         u8 deviceSpeed;
 573         u32 mediaErrCount;
 574         u32 otherErrCount;
 575         u32 predFailCount;
 576         u32 lastPredFailEventSeqNum;
 577
 578         u16 fwState;
 579         u8 disabledForRemoval;
 580         u8 linkSpeed;
 581         union MR_PD_DDF_TYPE state;
 582
 583         struct {
 584                 u8 count;
 585 #ifndef __BIG_ENDIAN_BITFIELD
 586                 u8 isPathBroken:4;
 587                 u8 reserved3:3;
 588                 u8 widePortCapable:1;
 589 #else
 590                 u8 widePortCapable:1;
 591                 u8 reserved3:3;
 592                 u8 isPathBroken:4;
 593 #endif
 594
 595                 u8 connectorIndex[2];
 596                 u8 reserved[4];
 597                 u64 sasAddr[2];
 598                 u8 reserved2[16];
 599         } pathInfo;
 600
 601         u64 rawSize;
 602         u64 nonCoercedSize;
 603         u64 coercedSize;
 604         u16 enclDeviceId;
 605         u8 enclIndex;
 606
 607         union {
 608                 u8 slotNumber;
 609                 u8 enclConnectorIndex;
 610         };
 611
 612         struct MR_PD_PROGRESS progInfo;
 613         u8 badBlockTableFull;
 614         u8 unusableInCurrentConfig;
 615         u8 vpdPage83Ext[64];
 616         u8 powerState;
 617         u8 enclPosition;
 618         u32 allowedOps;
 619         u16 copyBackPartnerId;
 620         u16 enclPartnerDeviceId;
 621         struct {
 622 #ifndef __BIG_ENDIAN_BITFIELD
 623                 u16 fdeCapable:1;
 624                 u16 fdeEnabled:1;
 625                 u16 secured:1;
 626                 u16 locked:1;
 627                 u16 foreign:1;
 628                 u16 needsEKM:1;
 629                 u16 reserved:10;
 630 #else
 631                 u16 reserved:10;
 632                 u16 needsEKM:1;
 633                 u16 foreign:1;
 634                 u16 locked:1;
 635                 u16 secured:1;
 636                 u16 fdeEnabled:1;
 637                 u16 fdeCapable:1;
 638 #endif
 639         } security;
 640         u8 mediaType;
 641         u8 notCertified;
 642         u8 bridgeVendor[8];
 643         u8 bridgeProductIdentification[16];
 644         u8 bridgeProductRevisionLevel[4];
 645         u8 satBridgeExists;
 646
 647         u8 interfaceType;
 648         u8 temperature;
 649         u8 emulatedBlockSize;
 650         u16 userDataBlockSize;
 651         u16 reserved2;
 652
 653         struct {
 654 #ifndef __BIG_ENDIAN_BITFIELD
 655                 u32 piType:3;
 656                 u32 piFormatted:1;
 657                 u32 piEligible:1;
 658                 u32 NCQ:1;
 659                 u32 WCE:1;
 660                 u32 commissionedSpare:1;
 661                 u32 emergencySpare:1;
 662                 u32 ineligibleForSSCD:1;
 663                 u32 ineligibleForLd:1;
 664                 u32 useSSEraseType:1;
 665                 u32 wceUnchanged:1;
 666                 u32 supportScsiUnmap:1;
 667                 u32 reserved:18;
 668 #else
 669                 u32 reserved:18;
 670                 u32 supportScsiUnmap:1;
 671                 u32 wceUnchanged:1;
 672                 u32 useSSEraseType:1;
 673                 u32 ineligibleForLd:1;
 674                 u32 ineligibleForSSCD:1;
 675                 u32 emergencySpare:1;
 676                 u32 commissionedSpare:1;
 677                 u32 WCE:1;
 678                 u32 NCQ:1;
 679                 u32 piEligible:1;
 680                 u32 piFormatted:1;
 681                 u32 piType:3;
 682 #endif
 683         } properties;
 684
 685         u64 shieldDiagCompletionTime;
 686         u8 shieldCounter;
 687
 688         u8 linkSpeedOther;
 689         u8 reserved4[2];
 690
 691         struct {
 692 #ifndef __BIG_ENDIAN_BITFIELD
 693                 u32 bbmErrCountSupported:1;
 694                 u32 bbmErrCount:31;
 695 #else
 696                 u32 bbmErrCount:31;
 697                 u32 bbmErrCountSupported:1;
 698 #endif
 699         } bbmErr;
 700
 701         u8 reserved1[512-428];
 702 } __packed;
 703
 704 /*
 705  * Definition of structure used to expose attributes of VD or JBOD
 706  * (this structure is to be filled by firmware when MR_DCMD_DRV_GET_TARGET_PROP
 707  * is fired by driver)
 708  */
 709 struct MR_TARGET_PROPERTIES {
 710         u32    max_io_size_kb;
 711         u32    device_qdepth;
 712         u32    sector_size;
 713         u8     reset_tmo;
 714         u8     reserved[499];
 715 } __packed;
 716
 717  /*
 718  * defines the physical drive address structure
 719  */
 720 struct MR_PD_ADDRESS {
 721         __le16  deviceId;
 722         u16     enclDeviceId;
 723
 724         union {
 725                 struct {
 726                         u8  enclIndex;
 727                         u8  slotNumber;
 728                 } mrPdAddress;
 729                 struct {
 730                         u8  enclPosition;
 731                         u8  enclConnectorIndex;
 732                 } mrEnclAddress;
 733         };
 734         u8      scsiDevType;
 735         union {
 736                 u8      connectedPortBitmap;
 737                 u8      connectedPortNumbers;
 738         };
 739         u64     sasAddr[2];
 740 } __packed;
 741
 742 /*
 743  * defines the physical drive list structure
 744  */
 745 struct MR_PD_LIST {
 746         __le32          size;
 747         __le32          count;
 748         struct MR_PD_ADDRESS   addr[1];
 749 } __packed;
 750
 751 struct megasas_pd_list {
 752         u16             tid;
 753         u8             driveType;
 754         u8             driveState;
 755 } __packed;
 756
 757  /*
 758  * defines the logical drive reference structure
 759  */
 760 union  MR_LD_REF {
 761         struct {
 762                 u8      targetId;
 763                 u8      reserved;
 764                 __le16     seqNum;
 765         };
 766         __le32     ref;
 767 } __packed;
 768
 769 /*
 770  * defines the logical drive list structure
 771  */
 772 struct MR_LD_LIST {
 773         __le32     ldCount;
 774         __le32     reserved;
 775         struct {
 776                 union MR_LD_REF   ref;
 777                 u8          state;
 778                 u8          reserved[3];
 779                 __le64          size;
 780         } ldList[MAX_LOGICAL_DRIVES_EXT];
 781 } __packed;
 782
 783 struct MR_LD_TARGETID_LIST {
 784         __le32  size;
 785         __le32  count;
 786         u8      pad[3];
 787         u8      targetId[MAX_LOGICAL_DRIVES_EXT];
 788 };
 789
 790 struct MR_HOST_DEVICE_LIST_ENTRY {
 791         struct {
 792                 union {
 793                         struct {
 794 #if defined(__BIG_ENDIAN_BITFIELD)
 795                                 u8 reserved:7;
 796                                 u8 is_sys_pd:1;
 797 #else
 798                                 u8 is_sys_pd:1;
 799                                 u8 reserved:7;
 800 #endif
 801                         } bits;
 802                         u8 byte;
 803                 } u;
 804         } flags;
 805         u8 scsi_type;
 806         __le16 target_id;
 807         u8 reserved[4];
 808         __le64 sas_addr[2];
 809 } __packed;
 810
 811 struct MR_HOST_DEVICE_LIST {
 812         __le32                  size;
 813         __le32                  count;
 814         __le32                  reserved[2];
 815         struct MR_HOST_DEVICE_LIST_ENTRY        host_device_list[1];
 816 } __packed;
 817
 818 #define HOST_DEVICE_LIST_SZ (sizeof(struct MR_HOST_DEVICE_LIST) +              \
 819                               (sizeof(struct MR_HOST_DEVICE_LIST_ENTRY) *      \
 820                               (MEGASAS_MAX_PD + MAX_LOGICAL_DRIVES_EXT - 1)))
 821
 822
 823 /*
 824  * SAS controller properties
 825  */
 826 struct megasas_ctrl_prop {
 827
 828         u16 seq_num;
 829         u16 pred_fail_poll_interval;
 830         u16 intr_throttle_count;
 831         u16 intr_throttle_timeouts;
 832         u8 rebuild_rate;
 833         u8 patrol_read_rate;
 834         u8 bgi_rate;
 835         u8 cc_rate;
 836         u8 recon_rate;
 837         u8 cache_flush_interval;
 838         u8 spinup_drv_count;
 839         u8 spinup_delay;
 840         u8 cluster_enable;
 841         u8 coercion_mode;
 842         u8 alarm_enable;
 843         u8 disable_auto_rebuild;
 844         u8 disable_battery_warn;
 845         u8 ecc_bucket_size;
 846         u16 ecc_bucket_leak_rate;
 847         u8 restore_hotspare_on_insertion;
 848         u8 expose_encl_devices;
 849         u8 maintainPdFailHistory;
 850         u8 disallowHostRequestReordering;
 851         u8 abortCCOnError;
 852         u8 loadBalanceMode;
 853         u8 disableAutoDetectBackplane;
 854
 855         u8 snapVDSpace;
 856
 857         /*
 858         * Add properties that can be controlled by
 859         * a bit in the following structure.
 860         */
 861         struct {
 862 #if   defined(__BIG_ENDIAN_BITFIELD)
 863                 u32     reserved:18;
 864                 u32     enableJBOD:1;
 865                 u32     disableSpinDownHS:1;
 866                 u32     allowBootWithPinnedCache:1;
 867                 u32     disableOnlineCtrlReset:1;
 868                 u32     enableSecretKeyControl:1;
 869                 u32     autoEnhancedImport:1;
 870                 u32     enableSpinDownUnconfigured:1;
 871                 u32     SSDPatrolReadEnabled:1;
 872                 u32     SSDSMARTerEnabled:1;
 873                 u32     disableNCQ:1;
 874                 u32     useFdeOnly:1;
 875                 u32     prCorrectUnconfiguredAreas:1;
 876                 u32     SMARTerEnabled:1;
 877                 u32     copyBackDisabled:1;
 878 #else
 879                 u32     copyBackDisabled:1;
 880                 u32     SMARTerEnabled:1;
 881                 u32     prCorrectUnconfiguredAreas:1;
 882                 u32     useFdeOnly:1;
 883                 u32     disableNCQ:1;
 884                 u32     SSDSMARTerEnabled:1;
 885                 u32     SSDPatrolReadEnabled:1;
 886                 u32     enableSpinDownUnconfigured:1;
 887                 u32     autoEnhancedImport:1;
 888                 u32     enableSecretKeyControl:1;
 889                 u32     disableOnlineCtrlReset:1;
 890                 u32     allowBootWithPinnedCache:1;
 891                 u32     disableSpinDownHS:1;
 892                 u32     enableJBOD:1;
 893                 u32     reserved:18;
 894 #endif
 895         } OnOffProperties;
 896
 897         union {
 898                 u8 autoSnapVDSpace;
 899                 u8 viewSpace;
 900                 struct {
 901 #if   defined(__BIG_ENDIAN_BITFIELD)
 902                         u16 reserved3:9;
 903                         u16 enable_fw_dev_list:1;
 904                         u16 reserved2:1;
 905                         u16 enable_snap_dump:1;
 906                         u16 reserved1:4;
 907 #else
 908                         u16 reserved1:4;
 909                         u16 enable_snap_dump:1;
 910                         u16 reserved2:1;
 911                         u16 enable_fw_dev_list:1;
 912                         u16 reserved3:9;
 913 #endif
 914                 } on_off_properties2;
 915         };
 916         __le16 spinDownTime;
 917         u8  reserved[24];
 918 } __packed;
 919
 920 /*
 921  * SAS controller information
 922  */
 923 struct megasas_ctrl_info {
 924
 925         /*
 926          * PCI device information
 927          */
 928         struct {
 929
 930                 __le16 vendor_id;
 931                 __le16 device_id;
 932                 __le16 sub_vendor_id;
 933                 __le16 sub_device_id;
 934                 u8 reserved[24];
 935
 936         } __attribute__ ((packed)) pci;
 937
 938         /*
 939          * Host interface information
 940          */
 941         struct {
 942
 943                 u8 PCIX:1;
 944                 u8 PCIE:1;
 945                 u8 iSCSI:1;
 946                 u8 SAS_3G:1;
 947                 u8 SRIOV:1;
 948                 u8 reserved_0:3;
 949                 u8 reserved_1[6];
 950                 u8 port_count;
 951                 u64 port_addr[8];
 952
 953         } __attribute__ ((packed)) host_interface;
 954
 955         /*
 956          * Device (backend) interface information
 957          */
 958         struct {
 959
 960                 u8 SPI:1;
 961                 u8 SAS_3G:1;
 962                 u8 SATA_1_5G:1;
 963                 u8 SATA_3G:1;
 964                 u8 reserved_0:4;
 965                 u8 reserved_1[6];
 966                 u8 port_count;
 967                 u64 port_addr[8];
 968
 969         } __attribute__ ((packed)) device_interface;
 970
 971         /*
 972          * List of components residing in flash. All str are null terminated
 973          */
 974         __le32 image_check_word;
 975         __le32 image_component_count;
 976
 977         struct {
 978
 979                 char name[8];
 980                 char version[32];
 981                 char build_date[16];
 982                 char built_time[16];
 983
 984         } __attribute__ ((packed)) image_component[8];
 985
 986         /*
 987          * List of flash components that have been flashed on the card, but
 988          * are not in use, pending reset of the adapter. This list will be
 989          * empty if a flash operation has not occurred. All stings are null
 990          * terminated
 991          */
 992         __le32 pending_image_component_count;
 993
 994         struct {
 995
 996                 char name[8];
 997                 char version[32];
 998                 char build_date[16];
 999                 char build_time[16];
1000
1001         } __attribute__ ((packed)) pending_image_component[8];
1002
1003         u8 max_arms;
1004         u8 max_spans;
1005         u8 max_arrays;
1006         u8 max_lds;
1007
1008         char product_name[80];
1009         char serial_no[32];
1010
1011         /*
1012          * Other physical/controller/operation information. Indicates the
1013          * presence of the hardware
1014          */
1015         struct {
1016
1017                 u32 bbu:1;
1018                 u32 alarm:1;
1019                 u32 nvram:1;
1020                 u32 uart:1;
1021                 u32 reserved:28;
1022
1023         } __attribute__ ((packed)) hw_present;
1024
1025         __le32 current_fw_time;
1026
1027         /*
1028          * Maximum data transfer sizes
1029          */
1030         __le16 max_concurrent_cmds;
1031         __le16 max_sge_count;
1032         __le32 max_request_size;
1033
1034         /*
1035          * Logical and physical device counts
1036          */
1037         __le16 ld_present_count;
1038         __le16 ld_degraded_count;
1039         __le16 ld_offline_count;
1040
1041         __le16 pd_present_count;
1042         __le16 pd_disk_present_count;
1043         __le16 pd_disk_pred_failure_count;
1044         __le16 pd_disk_failed_count;
1045
1046         /*
1047          * Memory size information
1048          */
1049         __le16 nvram_size;
1050         __le16 memory_size;
1051         __le16 flash_size;
1052
1053         /*
1054          * Error counters
1055          */
1056         __le16 mem_correctable_error_count;
1057         __le16 mem_uncorrectable_error_count;
1058
1059         /*
1060          * Cluster information
1061          */
1062         u8 cluster_permitted;
1063         u8 cluster_active;
1064
1065         /*
1066          * Additional max data transfer sizes
1067          */
1068         __le16 max_strips_per_io;
1069
1070         /*
1071          * Controller capabilities structures
1072          */
1073         struct {
1074
1075                 u32 raid_level_0:1;
1076                 u32 raid_level_1:1;
1077                 u32 raid_level_5:1;
1078                 u32 raid_level_1E:1;
1079                 u32 raid_level_6:1;
1080                 u32 reserved:27;
1081
1082         } __attribute__ ((packed)) raid_levels;
1083
1084         struct {
1085
1086                 u32 rbld_rate:1;
1087                 u32 cc_rate:1;
1088                 u32 bgi_rate:1;
1089                 u32 recon_rate:1;
1090                 u32 patrol_rate:1;
1091                 u32 alarm_control:1;
1092                 u32 cluster_supported:1;
1093                 u32 bbu:1;
1094                 u32 spanning_allowed:1;
1095                 u32 dedicated_hotspares:1;
1096                 u32 revertible_hotspares:1;
1097                 u32 foreign_config_import:1;
1098                 u32 self_diagnostic:1;
1099                 u32 mixed_redundancy_arr:1;
1100                 u32 global_hot_spares:1;
1101                 u32 reserved:17;
1102
1103         } __attribute__ ((packed)) adapter_operations;
1104
1105         struct {
1106
1107                 u32 read_policy:1;
1108                 u32 write_policy:1;
1109                 u32 io_policy:1;
1110                 u32 access_policy:1;
1111                 u32 disk_cache_policy:1;
1112                 u32 reserved:27;
1113
1114         } __attribute__ ((packed)) ld_operations;
1115
1116         struct {
1117
1118                 u8 min;
1119                 u8 max;
1120                 u8 reserved[2];
1121
1122         } __attribute__ ((packed)) stripe_sz_ops;
1123
1124         struct {
1125
1126                 u32 force_online:1;
1127                 u32 force_offline:1;
1128                 u32 force_rebuild:1;
1129                 u32 reserved:29;
1130
1131         } __attribute__ ((packed)) pd_operations;
1132
1133         struct {
1134
1135                 u32 ctrl_supports_sas:1;
1136                 u32 ctrl_supports_sata:1;
1137                 u32 allow_mix_in_encl:1;
1138                 u32 allow_mix_in_ld:1;
1139                 u32 allow_sata_in_cluster:1;
1140                 u32 reserved:27;
1141
1142         } __attribute__ ((packed)) pd_mix_support;
1143
1144         /*
1145          * Define ECC single-bit-error bucket information
1146          */
1147         u8 ecc_bucket_count;
1148         u8 reserved_2[11];
1149
1150         /*
1151          * Include the controller properties (changeable items)
1152          */
1153         struct megasas_ctrl_prop properties;
1154
1155         /*
1156          * Define FW pkg version (set in envt v'bles on OEM basis)
1157          */
1158         char package_version[0x60];
1159
1160
1161         /*
1162         * If adapterOperations.supportMoreThan8Phys is set,
1163         * and deviceInterface.portCount is greater than 8,
1164         * SAS Addrs for first 8 ports shall be populated in
1165         * deviceInterface.portAddr, and the rest shall be
1166         * populated in deviceInterfacePortAddr2.
1167         */
1168         __le64      deviceInterfacePortAddr2[8]; /*6a0h */
1169         u8          reserved3[128];              /*6e0h */
1170
1171         struct {                                /*760h */
1172                 u16 minPdRaidLevel_0:4;
1173                 u16 maxPdRaidLevel_0:12;
1174
1175                 u16 minPdRaidLevel_1:4;
1176                 u16 maxPdRaidLevel_1:12;
1177
1178                 u16 minPdRaidLevel_5:4;
1179                 u16 maxPdRaidLevel_5:12;
1180
1181                 u16 minPdRaidLevel_1E:4;
1182                 u16 maxPdRaidLevel_1E:12;
1183
1184                 u16 minPdRaidLevel_6:4;
1185                 u16 maxPdRaidLevel_6:12;
1186
1187                 u16 minPdRaidLevel_10:4;
1188                 u16 maxPdRaidLevel_10:12;
1189
1190                 u16 minPdRaidLevel_50:4;
1191                 u16 maxPdRaidLevel_50:12;
1192
1193                 u16 minPdRaidLevel_60:4;
1194                 u16 maxPdRaidLevel_60:12;
1195
1196                 u16 minPdRaidLevel_1E_RLQ0:4;
1197                 u16 maxPdRaidLevel_1E_RLQ0:12;
1198
1199                 u16 minPdRaidLevel_1E0_RLQ0:4;
1200                 u16 maxPdRaidLevel_1E0_RLQ0:12;
1201
1202                 u16 reserved[6];
1203         } pdsForRaidLevels;
1204
1205         __le16 maxPds;                          /*780h */
1206         __le16 maxDedHSPs;                      /*782h */
1207         __le16 maxGlobalHSP;                    /*784h */
1208         __le16 ddfSize;                         /*786h */
1209         u8  maxLdsPerArray;                     /*788h */
1210         u8  partitionsInDDF;                    /*789h */
1211         u8  lockKeyBinding;                     /*78ah */
1212         u8  maxPITsPerLd;                       /*78bh */
1213         u8  maxViewsPerLd;                      /*78ch */
1214         u8  maxTargetId;                        /*78dh */
1215         __le16 maxBvlVdSize;                    /*78eh */
1216
1217         __le16 maxConfigurableSSCSize;          /*790h */
1218         __le16 currentSSCsize;                  /*792h */
1219
1220         char    expanderFwVersion[12];          /*794h */
1221
1222         __le16 PFKTrialTimeRemaining;           /*7A0h */
1223
1224         __le16 cacheMemorySize;                 /*7A2h */
1225
1226         struct {                                /*7A4h */
1227 #if   defined(__BIG_ENDIAN_BITFIELD)
1228                 u32     reserved:5;
1229                 u32     activePassive:2;
1230                 u32     supportConfigAutoBalance:1;
1231                 u32     mpio:1;
1232                 u32     supportDataLDonSSCArray:1;
1233                 u32     supportPointInTimeProgress:1;
1234                 u32     supportUnevenSpans:1;
1235                 u32     dedicatedHotSparesLimited:1;
1236                 u32     headlessMode:1;
1237                 u32     supportEmulatedDrives:1;
1238                 u32     supportResetNow:1;
1239                 u32     realTimeScheduler:1;
1240                 u32     supportSSDPatrolRead:1;
1241                 u32     supportPerfTuning:1;
1242                 u32     disableOnlinePFKChange:1;
1243                 u32     supportJBOD:1;
1244                 u32     supportBootTimePFKChange:1;
1245                 u32     supportSetLinkSpeed:1;
1246                 u32     supportEmergencySpares:1;
1247                 u32     supportSuspendResumeBGops:1;
1248                 u32     blockSSDWriteCacheChange:1;
1249                 u32     supportShieldState:1;
1250                 u32     supportLdBBMInfo:1;
1251                 u32     supportLdPIType3:1;
1252                 u32     supportLdPIType2:1;
1253                 u32     supportLdPIType1:1;
1254                 u32     supportPIcontroller:1;
1255 #else
1256                 u32     supportPIcontroller:1;
1257                 u32     supportLdPIType1:1;
1258                 u32     supportLdPIType2:1;
1259                 u32     supportLdPIType3:1;
1260                 u32     supportLdBBMInfo:1;
1261                 u32     supportShieldState:1;
1262                 u32     blockSSDWriteCacheChange:1;
1263                 u32     supportSuspendResumeBGops:1;
1264                 u32     supportEmergencySpares:1;
1265                 u32     supportSetLinkSpeed:1;
1266                 u32     supportBootTimePFKChange:1;
1267                 u32     supportJBOD:1;
1268                 u32     disableOnlinePFKChange:1;
1269                 u32     supportPerfTuning:1;
1270                 u32     supportSSDPatrolRead:1;
1271                 u32     realTimeScheduler:1;
1272
1273                 u32     supportResetNow:1;
1274                 u32     supportEmulatedDrives:1;
1275                 u32     headlessMode:1;
1276                 u32     dedicatedHotSparesLimited:1;
1277
1278
1279                 u32     supportUnevenSpans:1;
1280                 u32     supportPointInTimeProgress:1;
1281                 u32     supportDataLDonSSCArray:1;
1282                 u32     mpio:1;
1283                 u32     supportConfigAutoBalance:1;
1284                 u32     activePassive:2;
1285                 u32     reserved:5;
1286 #endif
1287         } adapterOperations2;
1288
1289         u8  driverVersion[32];                  /*7A8h */
1290         u8  maxDAPdCountSpinup60;               /*7C8h */
1291         u8  temperatureROC;                     /*7C9h */
1292         u8  temperatureCtrl;                    /*7CAh */
1293         u8  reserved4;                          /*7CBh */
1294         __le16 maxConfigurablePds;              /*7CCh */
1295
1296
1297         u8  reserved5[2];                       /*0x7CDh */
1298
1299         /*
1300         * HA cluster information
1301         */
1302         struct {
1303 #if defined(__BIG_ENDIAN_BITFIELD)
1304                 u32     reserved:25;
1305                 u32     passive:1;
1306                 u32     premiumFeatureMismatch:1;
1307                 u32     ctrlPropIncompatible:1;
1308                 u32     fwVersionMismatch:1;
1309                 u32     hwIncompatible:1;
1310                 u32     peerIsIncompatible:1;
1311                 u32     peerIsPresent:1;
1312 #else
1313                 u32     peerIsPresent:1;
1314                 u32     peerIsIncompatible:1;
1315                 u32     hwIncompatible:1;
1316                 u32     fwVersionMismatch:1;
1317                 u32     ctrlPropIncompatible:1;
1318                 u32     premiumFeatureMismatch:1;
1319                 u32     passive:1;
1320                 u32     reserved:25;
1321 #endif
1322         } cluster;
1323
1324         char clusterId[MEGASAS_CLUSTER_ID_SIZE]; /*0x7D4 */
1325         struct {
1326                 u8  maxVFsSupported;            /*0x7E4*/
1327                 u8  numVFsEnabled;              /*0x7E5*/
1328                 u8  requestorId;                /*0x7E6 0:PF, 1:VF1, 2:VF2*/
1329                 u8  reserved;                   /*0x7E7*/
1330         } iov;
1331
1332         struct {
1333 #if defined(__BIG_ENDIAN_BITFIELD)
1334                 u32     reserved:7;
1335                 u32     useSeqNumJbodFP:1;
1336                 u32     supportExtendedSSCSize:1;
1337                 u32     supportDiskCacheSettingForSysPDs:1;
1338                 u32     supportCPLDUpdate:1;
1339                 u32     supportTTYLogCompression:1;
1340                 u32     discardCacheDuringLDDelete:1;
1341                 u32     supportSecurityonJBOD:1;
1342                 u32     supportCacheBypassModes:1;
1343                 u32     supportDisableSESMonitoring:1;
1344                 u32     supportForceFlash:1;
1345                 u32     supportNVDRAM:1;
1346                 u32     supportDrvActivityLEDSetting:1;
1347                 u32     supportAllowedOpsforDrvRemoval:1;
1348                 u32     supportHOQRebuild:1;
1349                 u32     supportForceTo512e:1;
1350                 u32     supportNVCacheErase:1;
1351                 u32     supportDebugQueue:1;
1352                 u32     supportSwZone:1;
1353                 u32     supportCrashDump:1;
1354                 u32     supportMaxExtLDs:1;
1355                 u32     supportT10RebuildAssist:1;
1356                 u32     supportDisableImmediateIO:1;
1357                 u32     supportThermalPollInterval:1;
1358                 u32     supportPersonalityChange:2;
1359 #else
1360                 u32     supportPersonalityChange:2;
1361                 u32     supportThermalPollInterval:1;
1362                 u32     supportDisableImmediateIO:1;
1363                 u32     supportT10RebuildAssist:1;
1364                 u32     supportMaxExtLDs:1;
1365                 u32     supportCrashDump:1;
1366                 u32     supportSwZone:1;
1367                 u32     supportDebugQueue:1;
1368                 u32     supportNVCacheErase:1;
1369                 u32     supportForceTo512e:1;
1370                 u32     supportHOQRebuild:1;
1371                 u32     supportAllowedOpsforDrvRemoval:1;
1372                 u32     supportDrvActivityLEDSetting:1;
1373                 u32     supportNVDRAM:1;
1374                 u32     supportForceFlash:1;
1375                 u32     supportDisableSESMonitoring:1;
1376                 u32     supportCacheBypassModes:1;
1377                 u32     supportSecurityonJBOD:1;
1378                 u32     discardCacheDuringLDDelete:1;
1379                 u32     supportTTYLogCompression:1;
1380                 u32     supportCPLDUpdate:1;
1381                 u32     supportDiskCacheSettingForSysPDs:1;
1382                 u32     supportExtendedSSCSize:1;
1383                 u32     useSeqNumJbodFP:1;
1384                 u32     reserved:7;
1385 #endif
1386         } adapterOperations3;
1387
1388         struct {
1389 #if defined(__BIG_ENDIAN_BITFIELD)
1390         u8 reserved:7;
1391         /* Indicates whether the CPLD image is part of
1392          *  the package and stored in flash
1393          */
1394         u8 cpld_in_flash:1;
1395 #else
1396         u8 cpld_in_flash:1;
1397         u8 reserved:7;
1398 #endif
1399         u8 reserved1[3];
1400         /* Null terminated string. Has the version
1401          *  information if cpld_in_flash = FALSE
1402          */
1403         u8 userCodeDefinition[12];
1404         } cpld;  /* Valid only if upgradableCPLD is TRUE */
1405
1406         struct {
1407         #if defined(__BIG_ENDIAN_BITFIELD)
1408                 u16 reserved:2;
1409                 u16 support_nvme_passthru:1;
1410                 u16 support_pl_debug_info:1;
1411                 u16 support_flash_comp_info:1;
1412                 u16 support_host_info:1;
1413                 u16 support_dual_fw_update:1;
1414                 u16 support_ssc_rev3:1;
1415                 u16 fw_swaps_bbu_vpd_info:1;
1416                 u16 support_pd_map_target_id:1;
1417                 u16 support_ses_ctrl_in_multipathcfg:1;
1418                 u16 image_upload_supported:1;
1419                 u16 support_encrypted_mfc:1;
1420                 u16 supported_enc_algo:1;
1421                 u16 support_ibutton_less:1;
1422                 u16 ctrl_info_ext_supported:1;
1423         #else
1424
1425                 u16 ctrl_info_ext_supported:1;
1426                 u16 support_ibutton_less:1;
1427                 u16 supported_enc_algo:1;
1428                 u16 support_encrypted_mfc:1;
1429                 u16 image_upload_supported:1;
1430                 /* FW supports LUN based association and target port based */
1431                 u16 support_ses_ctrl_in_multipathcfg:1;
1432                 /* association for the SES device connected in multipath mode */
1433                 /* FW defines Jbod target Id within MR_PD_CFG_SEQ */
1434                 u16 support_pd_map_target_id:1;
1435                 /* FW swaps relevant fields in MR_BBU_VPD_INFO_FIXED to
1436                  *  provide the data in little endian order
1437                  */
1438                 u16 fw_swaps_bbu_vpd_info:1;
1439                 u16 support_ssc_rev3:1;
1440                 /* FW supports CacheCade 3.0, only one SSCD creation allowed */
1441                 u16 support_dual_fw_update:1;
1442                 /* FW supports dual firmware update feature */
1443                 u16 support_host_info:1;
1444                 /* FW supports MR_DCMD_CTRL_HOST_INFO_SET/GET */
1445                 u16 support_flash_comp_info:1;
1446                 /* FW supports MR_DCMD_CTRL_FLASH_COMP_INFO_GET */
1447                 u16 support_pl_debug_info:1;
1448                 /* FW supports retrieval of PL debug information through apps */
1449                 u16 support_nvme_passthru:1;
1450                 /* FW supports NVMe passthru commands */
1451                 u16 reserved:2;
1452         #endif
1453                 } adapter_operations4;
1454         u8 pad[0x800 - 0x7FE]; /* 0x7FE pad to 2K for expansion */
1455
1456         u32 size;
1457         u32 pad1;
1458
1459         u8 reserved6[64];
1460
1461         struct {
1462         #if defined(__BIG_ENDIAN_BITFIELD)
1463                 u32 reserved:19;
1464                 u32 support_pci_lane_margining: 1;
1465                 u32 support_psoc_update:1;
1466                 u32 support_force_personality_change:1;
1467                 u32 support_fde_type_mix:1;
1468                 u32 support_snap_dump:1;
1469                 u32 support_nvme_tm:1;
1470                 u32 support_oce_only:1;
1471                 u32 support_ext_mfg_vpd:1;
1472                 u32 support_pcie:1;
1473                 u32 support_cvhealth_info:1;
1474                 u32 support_profile_change:2;
1475                 u32 mr_config_ext2_supported:1;
1476         #else
1477                 u32 mr_config_ext2_supported:1;
1478                 u32 support_profile_change:2;
1479                 u32 support_cvhealth_info:1;
1480                 u32 support_pcie:1;
1481                 u32 support_ext_mfg_vpd:1;
1482                 u32 support_oce_only:1;
1483                 u32 support_nvme_tm:1;
1484                 u32 support_snap_dump:1;
1485                 u32 support_fde_type_mix:1;
1486                 u32 support_force_personality_change:1;
1487                 u32 support_psoc_update:1;
1488                 u32 support_pci_lane_margining: 1;
1489                 u32 reserved:19;
1490         #endif
1491         } adapter_operations5;
1492
1493         u32 rsvdForAdptOp[63];
1494
1495         u8 reserved7[3];
1496
1497         u8 TaskAbortTO; /* Timeout value in seconds used by Abort Task TM */
1498         u8 MaxResetTO;  /* Max Supported Reset timeout in seconds. */
1499         u8 reserved8[3];
1500 } __packed;
1501
1502 /*
1503  * ===============================
1504  * MegaRAID SAS driver definitions
1505  * ===============================
1506  */
1507 #define MEGASAS_MAX_PD_CHANNELS                 2
1508 #define MEGASAS_MAX_LD_CHANNELS                 2
1509 #define MEGASAS_MAX_CHANNELS                    (MEGASAS_MAX_PD_CHANNELS + \
1510                                                 MEGASAS_MAX_LD_CHANNELS)
1511 #define MEGASAS_MAX_DEV_PER_CHANNEL             128
1512 #define MEGASAS_DEFAULT_INIT_ID                 -1
1513 #define MEGASAS_MAX_LUN                         8
1514 #define MEGASAS_DEFAULT_CMD_PER_LUN             256
1515 #define MEGASAS_MAX_PD                          (MEGASAS_MAX_PD_CHANNELS * \
1516                                                 MEGASAS_MAX_DEV_PER_CHANNEL)
1517 #define MEGASAS_MAX_LD_IDS                      (MEGASAS_MAX_LD_CHANNELS * \
1518                                                 MEGASAS_MAX_DEV_PER_CHANNEL)
1519
1520 #define MEGASAS_MAX_SECTORS                    (2*1024)
1521 #define MEGASAS_MAX_SECTORS_IEEE                (2*128)
1522 #define MEGASAS_DBG_LVL                         1
1523
1524 #define MEGASAS_FW_BUSY                         1
1525
1526 /* Driver's internal Logging levels*/
1527 #define OCR_DEBUG    (1 << 0)
1528 #define TM_DEBUG     (1 << 1)
1529 #define LD_PD_DEBUG    (1 << 2)
1530
1531 #define SCAN_PD_CHANNEL 0x1
1532 #define SCAN_VD_CHANNEL 0x2
1533
1534 #define MEGASAS_KDUMP_QUEUE_DEPTH               100
1535 #define MR_LARGE_IO_MIN_SIZE                    (32 * 1024)
1536 #define MR_R1_LDIO_PIGGYBACK_DEFAULT            4
1537
1538 enum MR_SCSI_CMD_TYPE {
1539         READ_WRITE_LDIO = 0,
1540         NON_READ_WRITE_LDIO = 1,
1541         READ_WRITE_SYSPDIO = 2,
1542         NON_READ_WRITE_SYSPDIO = 3,
1543 };
1544
1545 enum DCMD_TIMEOUT_ACTION {
1546         INITIATE_OCR = 0,
1547         KILL_ADAPTER = 1,
1548         IGNORE_TIMEOUT = 2,
1549 };
1550
1551 enum FW_BOOT_CONTEXT {
1552         PROBE_CONTEXT = 0,
1553         OCR_CONTEXT = 1,
1554 };
1555
1556 /* Frame Type */
1557 #define IO_FRAME                                0
1558 #define PTHRU_FRAME                             1
1559
1560 /*
1561  * When SCSI mid-layer calls driver's reset routine, driver waits for
1562  * MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note
1563  * that the driver cannot _actually_ abort or reset pending commands. While
1564  * it is waiting for the commands to complete, it prints a diagnostic message
1565  * every MEGASAS_RESET_NOTICE_INTERVAL seconds
1566  */
1567 #define MEGASAS_RESET_WAIT_TIME                 180
1568 #define MEGASAS_INTERNAL_CMD_WAIT_TIME          180
1569 #define MEGASAS_RESET_NOTICE_INTERVAL           5
1570 #define MEGASAS_IOCTL_CMD                       0
1571 #define MEGASAS_DEFAULT_CMD_TIMEOUT             90
1572 #define MEGASAS_THROTTLE_QUEUE_DEPTH            16
1573 #define MEGASAS_DEFAULT_TM_TIMEOUT              50
1574 /*
1575  * FW reports the maximum of number of commands that it can accept (maximum
1576  * commands that can be outstanding) at any time. The driver must report a
1577  * lower number to the mid layer because it can issue a few internal commands
1578  * itself (E.g, AEN, abort cmd, IOCTLs etc). The number of commands it needs
1579  * is shown below
1580  */
1581 #define MEGASAS_INT_CMDS                        32
1582 #define MEGASAS_SKINNY_INT_CMDS                 5
1583 #define MEGASAS_FUSION_INTERNAL_CMDS            8
1584 #define MEGASAS_FUSION_IOCTL_CMDS               3
1585 #define MEGASAS_MFI_IOCTL_CMDS                  27
1586
1587 #define MEGASAS_MAX_MSIX_QUEUES                 128
1588 /*
1589  * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
1590  * SGLs based on the size of dma_addr_t
1591  */
1592 #define IS_DMA64                                (sizeof(dma_addr_t) == 8)
1593
1594 #define MFI_XSCALE_OMR0_CHANGE_INTERRUPT                0x00000001
1595
1596 #define MFI_INTR_FLAG_REPLY_MESSAGE                     0x00000001
1597 #define MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE             0x00000002
1598 #define MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT       0x00000004
1599
1600 #define MFI_OB_INTR_STATUS_MASK                 0x00000002
1601 #define MFI_POLL_TIMEOUT_SECS                   60
1602 #define MFI_IO_TIMEOUT_SECS                     180
1603 #define MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF     (5 * HZ)
1604 #define MEGASAS_OCR_SETTLE_TIME_VF              (1000 * 30)
1605 #define MEGASAS_SRIOV_MAX_RESET_TRIES_VF        1
1606 #define MEGASAS_ROUTINE_WAIT_TIME_VF            300
1607 #define MFI_REPLY_1078_MESSAGE_INTERRUPT        0x80000000
1608 #define MFI_REPLY_GEN2_MESSAGE_INTERRUPT        0x00000001
1609 #define MFI_GEN2_ENABLE_INTERRUPT_MASK          (0x00000001 | 0x00000004)
1610 #define MFI_REPLY_SKINNY_MESSAGE_INTERRUPT      0x40000000
1611 #define MFI_SKINNY_ENABLE_INTERRUPT_MASK        (0x00000001)
1612
1613 #define MFI_1068_PCSR_OFFSET                    0x84
1614 #define MFI_1068_FW_HANDSHAKE_OFFSET            0x64
1615 #define MFI_1068_FW_READY                       0xDDDD0000
1616
1617 #define MR_MAX_REPLY_QUEUES_OFFSET              0X0000001F
1618 #define MR_MAX_REPLY_QUEUES_EXT_OFFSET          0X003FC000
1619 #define MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT    14
1620 #define MR_MAX_MSIX_REG_ARRAY                   16
1621 #define MR_RDPQ_MODE_OFFSET                     0X00800000
1622
1623 #define MR_MAX_RAID_MAP_SIZE_OFFSET_SHIFT       16
1624 #define MR_MAX_RAID_MAP_SIZE_MASK               0x1FF
1625 #define MR_MIN_MAP_SIZE                         0x10000
1626 /* 64k */
1627
1628 #define MR_CAN_HANDLE_SYNC_CACHE_OFFSET         0X01000000
1629
1630 #define MR_ATOMIC_DESCRIPTOR_SUPPORT_OFFSET     (1 << 24)
1631
1632 #define MR_CAN_HANDLE_64_BIT_DMA_OFFSET         (1 << 25)
1633 #define MR_INTR_COALESCING_SUPPORT_OFFSET       (1 << 26)
1634
1635 #define MEGASAS_WATCHDOG_THREAD_INTERVAL        1000
1636 #define MEGASAS_WAIT_FOR_NEXT_DMA_MSECS         20
1637 #define MEGASAS_WATCHDOG_WAIT_COUNT             50
1638
1639 enum MR_ADAPTER_TYPE {
1640         MFI_SERIES = 1,
1641         THUNDERBOLT_SERIES = 2,
1642         INVADER_SERIES = 3,
1643         VENTURA_SERIES = 4,
1644         AERO_SERIES = 5,
1645 };
1646
1647 /*
1648 * register set for both 1068 and 1078 controllers
1649 * structure extended for 1078 registers
1650 */
1651
1652 struct megasas_register_set {
1653         u32     doorbell;                       /*0000h*/
1654         u32     fusion_seq_offset;              /*0004h*/
1655         u32     fusion_host_diag;               /*0008h*/
1656         u32     reserved_01;                    /*000Ch*/
1657
1658         u32     inbound_msg_0;                  /*0010h*/
1659         u32     inbound_msg_1;                  /*0014h*/
1660         u32     outbound_msg_0;                 /*0018h*/
1661         u32     outbound_msg_1;                 /*001Ch*/
1662
1663         u32     inbound_doorbell;               /*0020h*/
1664         u32     inbound_intr_status;            /*0024h*/
1665         u32     inbound_intr_mask;              /*0028h*/
1666
1667         u32     outbound_doorbell;              /*002Ch*/
1668         u32     outbound_intr_status;           /*0030h*/
1669         u32     outbound_intr_mask;             /*0034h*/
1670
1671         u32     reserved_1[2];                  /*0038h*/
1672
1673         u32     inbound_queue_port;             /*0040h*/
1674         u32     outbound_queue_port;            /*0044h*/
1675
1676         u32     reserved_2[9];                  /*0048h*/
1677         u32     reply_post_host_index;          /*006Ch*/
1678         u32     reserved_2_2[12];               /*0070h*/
1679
1680         u32     outbound_doorbell_clear;        /*00A0h*/
1681
1682         u32     reserved_3[3];                  /*00A4h*/
1683
1684         u32     outbound_scratch_pad_0;         /*00B0h*/
1685         u32     outbound_scratch_pad_1;         /*00B4h*/
1686         u32     outbound_scratch_pad_2;         /*00B8h*/
1687         u32     outbound_scratch_pad_3;         /*00BCh*/
1688
1689         u32     inbound_low_queue_port ;        /*00C0h*/
1690
1691         u32     inbound_high_queue_port ;       /*00C4h*/
1692
1693         u32 inbound_single_queue_port;  /*00C8h*/
1694         u32     res_6[11];                      /*CCh*/
1695         u32     host_diag;
1696         u32     seq_offset;
1697         u32     index_registers[807];           /*00CCh*/
1698 } __attribute__ ((packed));
1699
1700 struct megasas_sge32 {
1701
1702         __le32 phys_addr;
1703         __le32 length;
1704
1705 } __attribute__ ((packed));
1706
1707 struct megasas_sge64 {
1708
1709         __le64 phys_addr;
1710         __le32 length;
1711
1712 } __attribute__ ((packed));
1713
1714 struct megasas_sge_skinny {
1715         __le64 phys_addr;
1716         __le32 length;
1717         __le32 flag;
1718 } __packed;
1719
1720 union megasas_sgl {
1721
1722         struct megasas_sge32 sge32[1];
1723         struct megasas_sge64 sge64[1];
1724         struct megasas_sge_skinny sge_skinny[1];
1725
1726 } __attribute__ ((packed));
1727
1728 struct megasas_header {
1729
1730         u8 cmd;                 /*00h */
1731         u8 sense_len;           /*01h */
1732         u8 cmd_status;          /*02h */
1733         u8 scsi_status;         /*03h */
1734
1735         u8 target_id;           /*04h */
1736         u8 lun;                 /*05h */
1737         u8 cdb_len;             /*06h */
1738         u8 sge_count;           /*07h */
1739
1740         __le32 context;         /*08h */
1741         __le32 pad_0;           /*0Ch */
1742
1743         __le16 flags;           /*10h */
1744         __le16 timeout;         /*12h */
1745         __le32 data_xferlen;    /*14h */
1746
1747 } __attribute__ ((packed));
1748
1749 union megasas_sgl_frame {
1750
1751         struct megasas_sge32 sge32[8];
1752         struct megasas_sge64 sge64[5];
1753
1754 } __attribute__ ((packed));
1755
1756 typedef union _MFI_CAPABILITIES {
1757         struct {
1758 #if   defined(__BIG_ENDIAN_BITFIELD)
1759         u32     reserved:16;
1760         u32     support_fw_exposed_dev_list:1;
1761         u32     support_nvme_passthru:1;
1762         u32     support_64bit_mode:1;
1763         u32 support_pd_map_target_id:1;
1764         u32     support_qd_throttling:1;
1765         u32     support_fp_rlbypass:1;
1766         u32     support_vfid_in_ioframe:1;
1767         u32     support_ext_io_size:1;
1768         u32             support_ext_queue_depth:1;
1769         u32     security_protocol_cmds_fw:1;
1770         u32     support_core_affinity:1;
1771         u32     support_ndrive_r1_lb:1;
1772         u32             support_max_255lds:1;
1773         u32             support_fastpath_wb:1;
1774         u32     support_additional_msix:1;
1775         u32     support_fp_remote_lun:1;
1776 #else
1777         u32     support_fp_remote_lun:1;
1778         u32     support_additional_msix:1;
1779         u32             support_fastpath_wb:1;
1780         u32             support_max_255lds:1;
1781         u32     support_ndrive_r1_lb:1;
1782         u32     support_core_affinity:1;
1783         u32     security_protocol_cmds_fw:1;
1784         u32             support_ext_queue_depth:1;
1785         u32     support_ext_io_size:1;
1786         u32     support_vfid_in_ioframe:1;
1787         u32     support_fp_rlbypass:1;
1788         u32     support_qd_throttling:1;
1789         u32     support_pd_map_target_id:1;
1790         u32     support_64bit_mode:1;
1791         u32     support_nvme_passthru:1;
1792         u32     support_fw_exposed_dev_list:1;
1793         u32     reserved:16;
1794 #endif
1795         } mfi_capabilities;
1796         __le32          reg;
1797 } MFI_CAPABILITIES;
1798
1799 struct megasas_init_frame {
1800
1801         u8 cmd;                 /*00h */
1802         u8 reserved_0;          /*01h */
1803         u8 cmd_status;          /*02h */
1804
1805         u8 reserved_1;          /*03h */
1806         MFI_CAPABILITIES driver_operations; /*04h*/
1807
1808         __le32 context;         /*08h */
1809         __le32 pad_0;           /*0Ch */
1810
1811         __le16 flags;           /*10h */
1812         __le16 replyqueue_mask;         /*12h */
1813         __le32 data_xfer_len;   /*14h */
1814
1815         __le32 queue_info_new_phys_addr_lo;     /*18h */
1816         __le32 queue_info_new_phys_addr_hi;     /*1Ch */
1817         __le32 queue_info_old_phys_addr_lo;     /*20h */
1818         __le32 queue_info_old_phys_addr_hi;     /*24h */
1819         __le32 reserved_4[2];   /*28h */
1820         __le32 system_info_lo;      /*30h */
1821         __le32 system_info_hi;      /*34h */
1822         __le32 reserved_5[2];   /*38h */
1823
1824 } __attribute__ ((packed));
1825
1826 struct megasas_init_queue_info {
1827
1828         __le32 init_flags;              /*00h */
1829         __le32 reply_queue_entries;     /*04h */
1830
1831         __le32 reply_queue_start_phys_addr_lo;  /*08h */
1832         __le32 reply_queue_start_phys_addr_hi;  /*0Ch */
1833         __le32 producer_index_phys_addr_lo;     /*10h */
1834         __le32 producer_index_phys_addr_hi;     /*14h */
1835         __le32 consumer_index_phys_addr_lo;     /*18h */
1836         __le32 consumer_index_phys_addr_hi;     /*1Ch */
1837
1838 } __attribute__ ((packed));
1839
1840 struct megasas_io_frame {
1841
1842         u8 cmd;                 /*00h */
1843         u8 sense_len;           /*01h */
1844         u8 cmd_status;          /*02h */
1845         u8 scsi_status;         /*03h */
1846
1847         u8 target_id;           /*04h */
1848         u8 access_byte;         /*05h */
1849         u8 reserved_0;          /*06h */
1850         u8 sge_count;           /*07h */
1851
1852         __le32 context;         /*08h */
1853         __le32 pad_0;           /*0Ch */
1854
1855         __le16 flags;           /*10h */
1856         __le16 timeout;         /*12h */
1857         __le32 lba_count;       /*14h */
1858
1859         __le32 sense_buf_phys_addr_lo;  /*18h */
1860         __le32 sense_buf_phys_addr_hi;  /*1Ch */
1861
1862         __le32 start_lba_lo;    /*20h */
1863         __le32 start_lba_hi;    /*24h */
1864
1865         union megasas_sgl sgl;  /*28h */
1866
1867 } __attribute__ ((packed));
1868
1869 struct megasas_pthru_frame {
1870
1871         u8 cmd;                 /*00h */
1872         u8 sense_len;           /*01h */
1873         u8 cmd_status;          /*02h */
1874         u8 scsi_status;         /*03h */
1875
1876         u8 target_id;           /*04h */
1877         u8 lun;                 /*05h */
1878         u8 cdb_len;             /*06h */
1879         u8 sge_count;           /*07h */
1880
1881         __le32 context;         /*08h */
1882         __le32 pad_0;           /*0Ch */
1883
1884         __le16 flags;           /*10h */
1885         __le16 timeout;         /*12h */
1886         __le32 data_xfer_len;   /*14h */
1887
1888         __le32 sense_buf_phys_addr_lo;  /*18h */
1889         __le32 sense_buf_phys_addr_hi;  /*1Ch */
1890
1891         u8 cdb[16];             /*20h */
1892         union megasas_sgl sgl;  /*30h */
1893
1894 } __attribute__ ((packed));
1895
1896 struct megasas_dcmd_frame {
1897
1898         u8 cmd;                 /*00h */
1899         u8 reserved_0;          /*01h */
1900         u8 cmd_status;          /*02h */
1901         u8 reserved_1[4];       /*03h */
1902         u8 sge_count;           /*07h */
1903
1904         __le32 context;         /*08h */
1905         __le32 pad_0;           /*0Ch */
1906
1907         __le16 flags;           /*10h */
1908         __le16 timeout;         /*12h */
1909
1910         __le32 data_xfer_len;   /*14h */
1911         __le32 opcode;          /*18h */
1912
1913         union {                 /*1Ch */
1914                 u8 b[12];
1915                 __le16 s[6];
1916                 __le32 w[3];
1917         } mbox;
1918
1919         union megasas_sgl sgl;  /*28h */
1920
1921 } __attribute__ ((packed));
1922
1923 struct megasas_abort_frame {
1924
1925         u8 cmd;                 /*00h */
1926         u8 reserved_0;          /*01h */
1927         u8 cmd_status;          /*02h */
1928
1929         u8 reserved_1;          /*03h */
1930         __le32 reserved_2;      /*04h */
1931
1932         __le32 context;         /*08h */
1933         __le32 pad_0;           /*0Ch */
1934
1935         __le16 flags;           /*10h */
1936         __le16 reserved_3;      /*12h */
1937         __le32 reserved_4;      /*14h */
1938
1939         __le32 abort_context;   /*18h */
1940         __le32 pad_1;           /*1Ch */
1941
1942         __le32 abort_mfi_phys_addr_lo;  /*20h */
1943         __le32 abort_mfi_phys_addr_hi;  /*24h */
1944
1945         __le32 reserved_5[6];   /*28h */
1946
1947 } __attribute__ ((packed));
1948
1949 struct megasas_smp_frame {
1950
1951         u8 cmd;                 /*00h */
1952         u8 reserved_1;          /*01h */
1953         u8 cmd_status;          /*02h */
1954         u8 connection_status;   /*03h */
1955
1956         u8 reserved_2[3];       /*04h */
1957         u8 sge_count;           /*07h */
1958
1959         __le32 context;         /*08h */
1960         __le32 pad_0;           /*0Ch */
1961
1962         __le16 flags;           /*10h */
1963         __le16 timeout;         /*12h */
1964
1965         __le32 data_xfer_len;   /*14h */
1966         __le64 sas_addr;        /*18h */
1967
1968         union {
1969                 struct megasas_sge32 sge32[2];  /* [0]: resp [1]: req */
1970                 struct megasas_sge64 sge64[2];  /* [0]: resp [1]: req */
1971         } sgl;
1972
1973 } __attribute__ ((packed));
1974
1975 struct megasas_stp_frame {
1976
1977         u8 cmd;                 /*00h */
1978         u8 reserved_1;          /*01h */
1979         u8 cmd_status;          /*02h */
1980         u8 reserved_2;          /*03h */
1981
1982         u8 target_id;           /*04h */
1983         u8 reserved_3[2];       /*05h */
1984         u8 sge_count;           /*07h */
1985
1986         __le32 context;         /*08h */
1987         __le32 pad_0;           /*0Ch */
1988
1989         __le16 flags;           /*10h */
1990         __le16 timeout;         /*12h */
1991
1992         __le32 data_xfer_len;   /*14h */
1993
1994         __le16 fis[10];         /*18h */
1995         __le32 stp_flags;
1996
1997         union {
1998                 struct megasas_sge32 sge32[2];  /* [0]: resp [1]: data */
1999                 struct megasas_sge64 sge64[2];  /* [0]: resp [1]: data */
2000         } sgl;
2001
2002 } __attribute__ ((packed));
2003
2004 union megasas_frame {
2005
2006         struct megasas_header hdr;
2007         struct megasas_init_frame init;
2008         struct megasas_io_frame io;
2009         struct megasas_pthru_frame pthru;
2010         struct megasas_dcmd_frame dcmd;
2011         struct megasas_abort_frame abort;
2012         struct megasas_smp_frame smp;
2013         struct megasas_stp_frame stp;
2014
2015         u8 raw_bytes[64];
2016 };
2017
2018 /**
2019  * struct MR_PRIV_DEVICE - sdev private hostdata
2020  * @is_tm_capable: firmware managed tm_capable flag
2021  * @tm_busy: TM request is in progress
2022  * @sdev_priv_busy: pending command per sdev
2023  */
2024 struct MR_PRIV_DEVICE {
2025         bool is_tm_capable;
2026         bool tm_busy;
2027         atomic_t sdev_priv_busy;
2028         atomic_t r1_ldio_hint;
2029         u8 interface_type;
2030         u8 task_abort_tmo;
2031         u8 target_reset_tmo;
2032 };
2033 struct megasas_cmd;
2034
2035 union megasas_evt_class_locale {
2036
2037         struct {
2038 #ifndef __BIG_ENDIAN_BITFIELD
2039                 u16 locale;
2040                 u8 reserved;
2041                 s8 class;
2042 #else
2043                 s8 class;
2044                 u8 reserved;
2045                 u16 locale;
2046 #endif
2047         } __attribute__ ((packed)) members;
2048
2049         u32 word;
2050
2051 } __attribute__ ((packed));
2052
2053 struct megasas_evt_log_info {
2054         __le32 newest_seq_num;
2055         __le32 oldest_seq_num;
2056         __le32 clear_seq_num;
2057         __le32 shutdown_seq_num;
2058         __le32 boot_seq_num;
2059
2060 } __attribute__ ((packed));
2061
2062 struct megasas_progress {
2063
2064         __le16 progress;
2065         __le16 elapsed_seconds;
2066
2067 } __attribute__ ((packed));
2068
2069 struct megasas_evtarg_ld {
2070
2071         u16 target_id;
2072         u8 ld_index;
2073         u8 reserved;
2074
2075 } __attribute__ ((packed));
2076
2077 struct megasas_evtarg_pd {
2078         u16 device_id;
2079         u8 encl_index;
2080         u8 slot_number;
2081
2082 } __attribute__ ((packed));
2083
2084 struct megasas_evt_detail {
2085
2086         __le32 seq_num;
2087         __le32 time_stamp;
2088         __le32 code;
2089         union megasas_evt_class_locale cl;
2090         u8 arg_type;
2091         u8 reserved1[15];
2092
2093         union {
2094                 struct {
2095                         struct megasas_evtarg_pd pd;
2096                         u8 cdb_length;
2097                         u8 sense_length;
2098                         u8 reserved[2];
2099                         u8 cdb[16];
2100                         u8 sense[64];
2101                 } __attribute__ ((packed)) cdbSense;
2102
2103                 struct megasas_evtarg_ld ld;
2104
2105                 struct {
2106                         struct megasas_evtarg_ld ld;
2107                         __le64 count;
2108                 } __attribute__ ((packed)) ld_count;
2109
2110                 struct {
2111                         __le64 lba;
2112                         struct megasas_evtarg_ld ld;
2113                 } __attribute__ ((packed)) ld_lba;
2114
2115                 struct {
2116                         struct megasas_evtarg_ld ld;
2117                         __le32 prevOwner;
2118                         __le32 newOwner;
2119                 } __attribute__ ((packed)) ld_owner;
2120
2121                 struct {
2122                         u64 ld_lba;
2123                         u64 pd_lba;
2124                         struct megasas_evtarg_ld ld;
2125                         struct megasas_evtarg_pd pd;
2126                 } __attribute__ ((packed)) ld_lba_pd_lba;
2127
2128                 struct {
2129                         struct megasas_evtarg_ld ld;
2130                         struct megasas_progress prog;
2131                 } __attribute__ ((packed)) ld_prog;
2132
2133                 struct {
2134                         struct megasas_evtarg_ld ld;
2135                         u32 prev_state;
2136                         u32 new_state;
2137                 } __attribute__ ((packed)) ld_state;
2138
2139                 struct {
2140                         u64 strip;
2141                         struct megasas_evtarg_ld ld;
2142                 } __attribute__ ((packed)) ld_strip;
2143
2144                 struct megasas_evtarg_pd pd;
2145
2146                 struct {
2147                         struct megasas_evtarg_pd pd;
2148                         u32 err;
2149                 } __attribute__ ((packed)) pd_err;
2150
2151                 struct {
2152                         u64 lba;
2153                         struct megasas_evtarg_pd pd;
2154                 } __attribute__ ((packed)) pd_lba;
2155
2156                 struct {
2157                         u64 lba;
2158                         struct megasas_evtarg_pd pd;
2159                         struct megasas_evtarg_ld ld;
2160                 } __attribute__ ((packed)) pd_lba_ld;
2161
2162                 struct {
2163                         struct megasas_evtarg_pd pd;
2164                         struct megasas_progress prog;
2165                 } __attribute__ ((packed)) pd_prog;
2166
2167                 struct {
2168                         struct megasas_evtarg_pd pd;
2169                         u32 prevState;
2170                         u32 newState;
2171                 } __attribute__ ((packed)) pd_state;
2172
2173                 struct {
2174                         u16 vendorId;
2175                         __le16 deviceId;
2176                         u16 subVendorId;
2177                         u16 subDeviceId;
2178                 } __attribute__ ((packed)) pci;
2179
2180                 u32 rate;
2181                 char str[96];
2182
2183                 struct {
2184                         u32 rtc;
2185                         u32 elapsedSeconds;
2186                 } __attribute__ ((packed)) time;
2187
2188                 struct {
2189                         u32 ecar;
2190                         u32 elog;
2191                         char str[64];
2192                 } __attribute__ ((packed)) ecc;
2193
2194                 u8 b[96];
2195                 __le16 s[48];
2196                 __le32 w[24];
2197                 __le64 d[12];
2198         } args;
2199
2200         char description[128];
2201
2202 } __attribute__ ((packed));
2203
2204 struct megasas_aen_event {
2205         struct delayed_work hotplug_work;
2206         struct megasas_instance *instance;
2207 };
2208
2209 struct megasas_irq_context {
2210         char name[MEGASAS_MSIX_NAME_LEN];
2211         struct megasas_instance *instance;
2212         u32 MSIxIndex;
2213         u32 os_irq;
2214         struct irq_poll irqpoll;
2215         bool irq_poll_scheduled;
2216         bool irq_line_enable;
2217         atomic_t   in_used;
2218 };
2219
2220 struct MR_DRV_SYSTEM_INFO {
2221         u8      infoVersion;
2222         u8      systemIdLength;
2223         u16     reserved0;
2224         u8      systemId[64];
2225         u8      reserved[1980];
2226 };
2227
2228 enum MR_PD_TYPE {
2229         UNKNOWN_DRIVE = 0,
2230         PARALLEL_SCSI = 1,
2231         SAS_PD = 2,
2232         SATA_PD = 3,
2233         FC_PD = 4,
2234         NVME_PD = 5,
2235 };
2236
2237 /* JBOD Queue depth definitions */
2238 #define MEGASAS_SATA_QD 32
2239 #define MEGASAS_SAS_QD 256
2240 #define MEGASAS_DEFAULT_PD_QD   64
2241 #define MEGASAS_NVME_QD        64
2242
2243 #define MR_DEFAULT_NVME_PAGE_SIZE       4096
2244 #define MR_DEFAULT_NVME_PAGE_SHIFT      12
2245 #define MR_DEFAULT_NVME_MDTS_KB         128
2246 #define MR_NVME_PAGE_SIZE_MASK          0x000000FF
2247
2248 /*Aero performance parameters*/
2249 #define MR_HIGH_IOPS_QUEUE_COUNT        8
2250 #define MR_DEVICE_HIGH_IOPS_DEPTH       8
2251 #define MR_HIGH_IOPS_BATCH_COUNT        16
2252
2253 enum MR_PERF_MODE {
2254         MR_BALANCED_PERF_MODE           = 0,
2255         MR_IOPS_PERF_MODE               = 1,
2256         MR_LATENCY_PERF_MODE            = 2,
2257 };
2258
2259 #define MEGASAS_PERF_MODE_2STR(mode) \
2260                 ((mode) == MR_BALANCED_PERF_MODE ? "Balanced" : \
2261                  (mode) == MR_IOPS_PERF_MODE ? "IOPS" : \
2262                  (mode) == MR_LATENCY_PERF_MODE ? "Latency" : \
2263                  "Unknown")
2264
2265 enum MEGASAS_LD_TARGET_ID_STATUS {
2266         LD_TARGET_ID_INITIAL,
2267         LD_TARGET_ID_ACTIVE,
2268         LD_TARGET_ID_DELETED,
2269 };
2270
2271 #define MEGASAS_TARGET_ID(sdev)                                         \
2272         (((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + sdev->id)
2273
2274 struct megasas_instance {
2275
2276         unsigned int *reply_map;
2277         __le32 *producer;
2278         dma_addr_t producer_h;
2279         __le32 *consumer;
2280         dma_addr_t consumer_h;
2281         struct MR_DRV_SYSTEM_INFO *system_info_buf;
2282         dma_addr_t system_info_h;
2283         struct MR_LD_VF_AFFILIATION *vf_affiliation;
2284         dma_addr_t vf_affiliation_h;
2285         struct MR_LD_VF_AFFILIATION_111 *vf_affiliation_111;
2286         dma_addr_t vf_affiliation_111_h;
2287         struct MR_CTRL_HB_HOST_MEM *hb_host_mem;
2288         dma_addr_t hb_host_mem_h;
2289         struct MR_PD_INFO *pd_info;
2290         dma_addr_t pd_info_h;
2291         struct MR_TARGET_PROPERTIES *tgt_prop;
2292         dma_addr_t tgt_prop_h;
2293
2294         __le32 *reply_queue;
2295         dma_addr_t reply_queue_h;
2296
2297         u32 *crash_dump_buf;
2298         dma_addr_t crash_dump_h;
2299
2300         struct MR_PD_LIST *pd_list_buf;
2301         dma_addr_t pd_list_buf_h;
2302
2303         struct megasas_ctrl_info *ctrl_info_buf;
2304         dma_addr_t ctrl_info_buf_h;
2305
2306         struct MR_LD_LIST *ld_list_buf;
2307         dma_addr_t ld_list_buf_h;
2308
2309         struct MR_LD_TARGETID_LIST *ld_targetid_list_buf;
2310         dma_addr_t ld_targetid_list_buf_h;
2311
2312         struct MR_HOST_DEVICE_LIST *host_device_list_buf;
2313         dma_addr_t host_device_list_buf_h;
2314
2315         struct MR_SNAPDUMP_PROPERTIES *snapdump_prop;
2316         dma_addr_t snapdump_prop_h;
2317
2318         void *crash_buf[MAX_CRASH_DUMP_SIZE];
2319         unsigned int    fw_crash_buffer_size;
2320         unsigned int    fw_crash_state;
2321         unsigned int    fw_crash_buffer_offset;
2322         u32 drv_buf_index;
2323         u32 drv_buf_alloc;
2324         u32 crash_dump_fw_support;
2325         u32 crash_dump_drv_support;
2326         u32 crash_dump_app_support;
2327         u32 secure_jbod_support;
2328         u32 support_morethan256jbod; /* FW support for more than 256 PD/JBOD */
2329         bool use_seqnum_jbod_fp;   /* Added for PD sequence */
2330         bool smp_affinity_enable;
2331         spinlock_t crashdump_lock;
2332
2333         struct megasas_register_set __iomem *reg_set;
2334         u32 __iomem *reply_post_host_index_addr[MR_MAX_MSIX_REG_ARRAY];
2335         struct megasas_pd_list          pd_list[MEGASAS_MAX_PD];
2336         struct megasas_pd_list          local_pd_list[MEGASAS_MAX_PD];
2337         u8 ld_ids[MEGASAS_MAX_LD_IDS];
2338         u8 ld_tgtid_status[MEGASAS_MAX_LD_IDS];
2339         u8 ld_ids_prev[MEGASAS_MAX_LD_IDS];
2340         u8 ld_ids_from_raidmap[MEGASAS_MAX_LD_IDS];
2341         s8 init_id;
2342
2343         u16 max_num_sge;
2344         u16 max_fw_cmds;
2345         u16 max_mpt_cmds;
2346         u16 max_mfi_cmds;
2347         u16 max_scsi_cmds;
2348         u16 ldio_threshold;
2349         u16 cur_can_queue;
2350         u32 max_sectors_per_req;
2351         bool msix_load_balance;
2352         struct megasas_aen_event *ev;
2353
2354         struct megasas_cmd **cmd_list;
2355         struct list_head cmd_pool;
2356         /* used to sync fire the cmd to fw */
2357         spinlock_t mfi_pool_lock;
2358         /* used to sync fire the cmd to fw */
2359         spinlock_t hba_lock;
2360         /* used to synch producer, consumer ptrs in dpc */
2361         spinlock_t stream_lock;
2362         spinlock_t completion_lock;
2363         struct dma_pool *frame_dma_pool;
2364         struct dma_pool *sense_dma_pool;
2365
2366         struct megasas_evt_detail *evt_detail;
2367         dma_addr_t evt_detail_h;
2368         struct megasas_cmd *aen_cmd;
2369         struct semaphore ioctl_sem;
2370
2371         struct Scsi_Host *host;
2372
2373         wait_queue_head_t int_cmd_wait_q;
2374         wait_queue_head_t abort_cmd_wait_q;
2375
2376         struct pci_dev *pdev;
2377         u32 unique_id;
2378         u32 fw_support_ieee;
2379         u32 threshold_reply_count;
2380
2381         atomic_t fw_outstanding;
2382         atomic_t ldio_outstanding;
2383         atomic_t fw_reset_no_pci_access;
2384         atomic64_t total_io_count;
2385         atomic64_t high_iops_outstanding;
2386
2387         struct megasas_instance_template *instancet;
2388         struct tasklet_struct isr_tasklet;
2389         struct work_struct work_init;
2390         struct delayed_work fw_fault_work;
2391         struct workqueue_struct *fw_fault_work_q;
2392         char fault_handler_work_q_name[48];
2393
2394         u8 flag;
2395         u8 unload;
2396         u8 flag_ieee;
2397         u8 issuepend_done;
2398         u8 disableOnlineCtrlReset;
2399         u8 UnevenSpanSupport;
2400
2401         u8 supportmax256vd;
2402         u8 pd_list_not_supported;
2403         u16 fw_supported_vd_count;
2404         u16 fw_supported_pd_count;
2405
2406         u16 drv_supported_vd_count;
2407         u16 drv_supported_pd_count;
2408
2409         atomic_t adprecovery;
2410         unsigned long last_time;
2411         u32 mfiStatus;
2412         u32 last_seq_num;
2413
2414         struct list_head internal_reset_pending_q;
2415
2416         /* Ptr to hba specific information */
2417         void *ctrl_context;
2418         unsigned int msix_vectors;
2419         struct megasas_irq_context irq_context[MEGASAS_MAX_MSIX_QUEUES];
2420         u64 map_id;
2421         u64 pd_seq_map_id;
2422         struct megasas_cmd *map_update_cmd;
2423         struct megasas_cmd *jbod_seq_cmd;
2424         unsigned long bar;
2425         long reset_flags;
2426         struct mutex reset_mutex;
2427         struct timer_list sriov_heartbeat_timer;
2428         char skip_heartbeat_timer_del;
2429         u8 requestorId;
2430         char PlasmaFW111;
2431         char clusterId[MEGASAS_CLUSTER_ID_SIZE];
2432         u8 peerIsPresent;
2433         u8 passive;
2434         u16 throttlequeuedepth;
2435         u8 mask_interrupts;
2436         u16 max_chain_frame_sz;
2437         u8 is_imr;
2438         u8 is_rdpq;
2439         bool dev_handle;
2440         bool fw_sync_cache_support;
2441         u32 mfi_frame_size;
2442         bool msix_combined;
2443         u16 max_raid_mapsize;
2444         /* preffered count to send as LDIO irrspective of FP capable.*/
2445         u8  r1_ldio_hint_default;
2446         u32 nvme_page_size;
2447         u8 adapter_type;
2448         bool consistent_mask_64bit;
2449         bool support_nvme_passthru;
2450         bool enable_sdev_max_qd;
2451         u8 task_abort_tmo;
2452         u8 max_reset_tmo;
2453         u8 snapdump_wait_time;
2454 #ifdef CONFIG_DEBUG_FS
2455         struct dentry *debugfs_root;
2456         struct dentry *raidmap_dump;
2457 #endif
2458         u8 enable_fw_dev_list;
2459         bool atomic_desc_support;
2460         bool support_seqnum_jbod_fp;
2461         bool support_pci_lane_margining;
2462         u8  low_latency_index_start;
2463         int perf_mode;
2464         int iopoll_q_count;
2465 };
2466
2467 struct MR_LD_VF_MAP {
2468         u32 size;
2469         union MR_LD_REF ref;
2470         u8 ldVfCount;
2471         u8 reserved[6];
2472         u8 policy[1];
2473 };
2474
2475 struct MR_LD_VF_AFFILIATION {
2476         u32 size;
2477         u8 ldCount;
2478         u8 vfCount;
2479         u8 thisVf;
2480         u8 reserved[9];
2481         struct MR_LD_VF_MAP map[1];
2482 };
2483
2484 /* Plasma 1.11 FW backward compatibility structures */
2485 #define IOV_111_OFFSET 0x7CE
2486 #define MAX_VIRTUAL_FUNCTIONS 8
2487 #define MR_LD_ACCESS_HIDDEN 15
2488
2489 struct IOV_111 {
2490         u8 maxVFsSupported;
2491         u8 numVFsEnabled;
2492         u8 requestorId;
2493         u8 reserved[5];
2494 };
2495
2496 struct MR_LD_VF_MAP_111 {
2497         u8 targetId;
2498         u8 reserved[3];
2499         u8 policy[MAX_VIRTUAL_FUNCTIONS];
2500 };
2501
2502 struct MR_LD_VF_AFFILIATION_111 {
2503         u8 vdCount;
2504         u8 vfCount;
2505         u8 thisVf;
2506         u8 reserved[5];
2507         struct MR_LD_VF_MAP_111 map[MAX_LOGICAL_DRIVES];
2508 };
2509
2510 struct MR_CTRL_HB_HOST_MEM {
2511         struct {
2512                 u32 fwCounter;  /* Firmware heart beat counter */
2513                 struct {
2514                         u32 debugmode:1; /* 1=Firmware is in debug mode.
2515                                             Heart beat will not be updated. */
2516                         u32 reserved:31;
2517                 } debug;
2518                 u32 reserved_fw[6];
2519                 u32 driverCounter; /* Driver heart beat counter.  0x20 */
2520                 u32 reserved_driver[7];
2521         } HB;
2522         u8 pad[0x400-0x40];
2523 };
2524
2525 enum {
2526         MEGASAS_HBA_OPERATIONAL                 = 0,
2527         MEGASAS_ADPRESET_SM_INFAULT             = 1,
2528         MEGASAS_ADPRESET_SM_FW_RESET_SUCCESS    = 2,
2529         MEGASAS_ADPRESET_SM_OPERATIONAL         = 3,
2530         MEGASAS_HW_CRITICAL_ERROR               = 4,
2531         MEGASAS_ADPRESET_SM_POLLING             = 5,
2532         MEGASAS_ADPRESET_INPROG_SIGN            = 0xDEADDEAD,
2533 };
2534
2535 struct megasas_instance_template {
2536         void (*fire_cmd)(struct megasas_instance *, dma_addr_t, \
2537                 u32, struct megasas_register_set __iomem *);
2538
2539         void (*enable_intr)(struct megasas_instance *);
2540         void (*disable_intr)(struct megasas_instance *);
2541
2542         int (*clear_intr)(struct megasas_instance *);
2543
2544         u32 (*read_fw_status_reg)(struct megasas_instance *);
2545         int (*adp_reset)(struct megasas_instance *, \
2546                 struct megasas_register_set __iomem *);
2547         int (*check_reset)(struct megasas_instance *, \
2548                 struct megasas_register_set __iomem *);
2549         irqreturn_t (*service_isr)(int irq, void *devp);
2550         void (*tasklet)(unsigned long);
2551         u32 (*init_adapter)(struct megasas_instance *);
2552         u32 (*build_and_issue_cmd) (struct megasas_instance *,
2553                                     struct scsi_cmnd *);
2554         void (*issue_dcmd)(struct megasas_instance *instance,
2555                             struct megasas_cmd *cmd);
2556 };
2557
2558 #define MEGASAS_IS_LOGICAL(sdev)                                        \
2559         ((sdev->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1)
2560
2561 #define MEGASAS_DEV_INDEX(scp)                                          \
2562         (((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) +   \
2563         scp->device->id)
2564
2565 #define MEGASAS_PD_INDEX(scp)                                           \
2566         ((scp->device->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +         \
2567         scp->device->id)
2568
2569 struct megasas_cmd {
2570
2571         union megasas_frame *frame;
2572         dma_addr_t frame_phys_addr;
2573         u8 *sense;
2574         dma_addr_t sense_phys_addr;
2575
2576         u32 index;
2577         u8 sync_cmd;
2578         u8 cmd_status_drv;
2579         u8 abort_aen;
2580         u8 retry_for_fw_reset;
2581
2582
2583         struct list_head list;
2584         struct scsi_cmnd *scmd;
2585         u8 flags;
2586
2587         struct megasas_instance *instance;
2588         union {
2589                 struct {
2590                         u16 smid;
2591                         u16 resvd;
2592                 } context;
2593                 u32 frame_count;
2594         };
2595 };
2596
2597 #define MAX_MGMT_ADAPTERS               1024
2598 #define MAX_IOCTL_SGE                   16
2599
2600 struct megasas_iocpacket {
2601
2602         u16 host_no;
2603         u16 __pad1;
2604         u32 sgl_off;
2605         u32 sge_count;
2606         u32 sense_off;
2607         u32 sense_len;
2608         union {
2609                 u8 raw[128];
2610                 struct megasas_header hdr;
2611         } frame;
2612
2613         struct iovec sgl[MAX_IOCTL_SGE];
2614
2615 } __attribute__ ((packed));
2616
2617 struct megasas_aen {
2618         u16 host_no;
2619         u16 __pad1;
2620         u32 seq_num;
2621         u32 class_locale_word;
2622 } __attribute__ ((packed));
2623
2624 struct compat_megasas_iocpacket {
2625         u16 host_no;
2626         u16 __pad1;
2627         u32 sgl_off;
2628         u32 sge_count;
2629         u32 sense_off;
2630         u32 sense_len;
2631         union {
2632                 u8 raw[128];
2633                 struct megasas_header hdr;
2634         } frame;
2635         struct compat_iovec sgl[MAX_IOCTL_SGE];
2636 } __attribute__ ((packed));
2637
2638 #define MEGASAS_IOC_FIRMWARE32  _IOWR('M', 1, struct compat_megasas_iocpacket)
2639
2640 #define MEGASAS_IOC_FIRMWARE    _IOWR('M', 1, struct megasas_iocpacket)
2641 #define MEGASAS_IOC_GET_AEN     _IOW('M', 3, struct megasas_aen)
2642
2643 struct megasas_mgmt_info {
2644
2645         u16 count;
2646         struct megasas_instance *instance[MAX_MGMT_ADAPTERS];
2647         int max_index;
2648 };
2649
2650 enum MEGASAS_OCR_CAUSE {
2651         FW_FAULT_OCR                    = 0,
2652         SCSIIO_TIMEOUT_OCR              = 1,
2653         MFI_IO_TIMEOUT_OCR              = 2,
2654 };
2655
2656 enum DCMD_RETURN_STATUS {
2657         DCMD_SUCCESS    = 0x00,
2658         DCMD_TIMEOUT    = 0x01,
2659         DCMD_FAILED     = 0x02,
2660         DCMD_BUSY       = 0x03,
2661         DCMD_INIT       = 0xff,
2662 };
2663
2664 u8
2665 MR_BuildRaidContext(struct megasas_instance *instance,
2666                     struct IO_REQUEST_INFO *io_info,
2667                     struct RAID_CONTEXT *pRAID_Context,
2668                     struct MR_DRV_RAID_MAP_ALL *map, u8 **raidLUN);
2669 u16 MR_TargetIdToLdGet(u32 ldTgtId, struct MR_DRV_RAID_MAP_ALL *map);
2670 struct MR_LD_RAID *MR_LdRaidGet(u32 ld, struct MR_DRV_RAID_MAP_ALL *map);
2671 u16 MR_ArPdGet(u32 ar, u32 arm, struct MR_DRV_RAID_MAP_ALL *map);
2672 u16 MR_LdSpanArrayGet(u32 ld, u32 span, struct MR_DRV_RAID_MAP_ALL *map);
2673 __le16 MR_PdDevHandleGet(u32 pd, struct MR_DRV_RAID_MAP_ALL *map);
2674 u16 MR_GetLDTgtId(u32 ld, struct MR_DRV_RAID_MAP_ALL *map);
2675
2676 __le16 get_updated_dev_handle(struct megasas_instance *instance,
2677                               struct LD_LOAD_BALANCE_INFO *lbInfo,
2678                               struct IO_REQUEST_INFO *in_info,
2679                               struct MR_DRV_RAID_MAP_ALL *drv_map);
2680 void mr_update_load_balance_params(struct MR_DRV_RAID_MAP_ALL *map,
2681         struct LD_LOAD_BALANCE_INFO *lbInfo);
2682 int megasas_get_ctrl_info(struct megasas_instance *instance);
2683 /* PD sequence */
2684 int
2685 megasas_sync_pd_seq_num(struct megasas_instance *instance, bool pend);
2686 void megasas_set_dynamic_target_properties(struct scsi_device *sdev,
2687                                            bool is_target_prop);
2688 int megasas_get_target_prop(struct megasas_instance *instance,
2689                             struct scsi_device *sdev);
2690 void megasas_get_snapdump_properties(struct megasas_instance *instance);
2691
2692 int megasas_set_crash_dump_params(struct megasas_instance *instance,
2693         u8 crash_buf_state);
2694 void megasas_free_host_crash_buffer(struct megasas_instance *instance);
2695
2696 void megasas_return_cmd_fusion(struct megasas_instance *instance,
2697         struct megasas_cmd_fusion *cmd);
2698 int megasas_issue_blocked_cmd(struct megasas_instance *instance,
2699         struct megasas_cmd *cmd, int timeout);
2700 void __megasas_return_cmd(struct megasas_instance *instance,
2701         struct megasas_cmd *cmd);
2702
2703 void megasas_return_mfi_mpt_pthr(struct megasas_instance *instance,
2704         struct megasas_cmd *cmd_mfi, struct megasas_cmd_fusion *cmd_fusion);
2705 int megasas_cmd_type(struct scsi_cmnd *cmd);
2706 void megasas_setup_jbod_map(struct megasas_instance *instance);
2707
2708 void megasas_update_sdev_properties(struct scsi_device *sdev);
2709 int megasas_reset_fusion(struct Scsi_Host *shost, int reason);
2710 int megasas_task_abort_fusion(struct scsi_cmnd *scmd);
2711 int megasas_reset_target_fusion(struct scsi_cmnd *scmd);
2712 u32 mega_mod64(u64 dividend, u32 divisor);
2713 int megasas_alloc_fusion_context(struct megasas_instance *instance);
2714 void megasas_free_fusion_context(struct megasas_instance *instance);
2715 int megasas_fusion_start_watchdog(struct megasas_instance *instance);
2716 void megasas_fusion_stop_watchdog(struct megasas_instance *instance);
2717
2718 void megasas_set_dma_settings(struct megasas_instance *instance,
2719                               struct megasas_dcmd_frame *dcmd,
2720                               dma_addr_t dma_addr, u32 dma_len);
2721 int megasas_adp_reset_wait_for_ready(struct megasas_instance *instance,
2722                                      bool do_adp_reset,
2723                                      int ocr_context);
2724 int megasas_irqpoll(struct irq_poll *irqpoll, int budget);
2725 void megasas_dump_fusion_io(struct scsi_cmnd *scmd);
2726 u32 megasas_readl(struct megasas_instance *instance,
2727                   const volatile void __iomem *addr);
2728 struct megasas_cmd *megasas_get_cmd(struct megasas_instance *instance);
2729 void megasas_return_cmd(struct megasas_instance *instance,
2730                         struct megasas_cmd *cmd);
2731 int megasas_issue_polled(struct megasas_instance *instance,
2732                          struct megasas_cmd *cmd);
2733 void megaraid_sas_kill_hba(struct megasas_instance *instance);
2734 void megasas_check_and_restore_queue_depth(struct megasas_instance *instance);
2735 void megasas_start_timer(struct megasas_instance *instance);
2736 int megasas_sriov_start_heartbeat(struct megasas_instance *instance,
2737                                   int initial);
2738 int megasas_alloc_cmds(struct megasas_instance *instance);
2739 void megasas_free_cmds(struct megasas_instance *instance);
2740
2741 void megasas_init_debugfs(void);
2742 void megasas_exit_debugfs(void);
2743 void megasas_setup_debugfs(struct megasas_instance *instance);
2744 void megasas_destroy_debugfs(struct megasas_instance *instance);
2745 int megasas_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num);
2746
2747 #endif                          /*LSI_MEGARAID_SAS_H */