drivers/scsi/megaraid/mbox_defs.h

   1 /*
   2  *
   3  *                      Linux MegaRAID Unified device driver
   4  *
   5  * Copyright (c) 2003-2004  LSI Logic Corporation.
   6  *
   7  *         This program is free software; you can redistribute it and/or
   8  *         modify it under the terms of the GNU General Public License
   9  *         as published by the Free Software Foundation; either version
  10  *         2 of the License, or (at your option) any later version.
  11  *
  12  * FILE         : mbox_defs.h
  13  *
  14  */
  15 #ifndef _MRAID_MBOX_DEFS_H_
  16 #define _MRAID_MBOX_DEFS_H_
  17
  18 #include <linux/types.h>
  19
  20 /*
  21  * Commands and states for mailbox based controllers
  22  */
  23
  24 #define MBOXCMD_LREAD           0x01
  25 #define MBOXCMD_LWRITE          0x02
  26 #define MBOXCMD_PASSTHRU        0x03
  27 #define MBOXCMD_ADPEXTINQ       0x04
  28 #define MBOXCMD_ADAPTERINQ      0x05
  29 #define MBOXCMD_LREAD64         0xA7
  30 #define MBOXCMD_LWRITE64        0xA8
  31 #define MBOXCMD_PASSTHRU64      0xC3
  32 #define MBOXCMD_EXTPTHRU        0xE3
  33
  34 #define MAIN_MISC_OPCODE        0xA4
  35 #define GET_MAX_SG_SUPPORT      0x01
  36 #define SUPPORT_EXT_CDB         0x16
  37
  38 #define FC_NEW_CONFIG           0xA1
  39 #define NC_SUBOP_PRODUCT_INFO   0x0E
  40 #define NC_SUBOP_ENQUIRY3       0x0F
  41 #define ENQ3_GET_SOLICITED_FULL 0x02
  42 #define OP_DCMD_READ_CONFIG     0x04
  43 #define NEW_READ_CONFIG_8LD     0x67
  44 #define READ_CONFIG_8LD         0x07
  45 #define FLUSH_ADAPTER           0x0A
  46 #define FLUSH_SYSTEM            0xFE
  47
  48 /*
  49  * Command for random deletion of logical drives
  50  */
  51 #define FC_DEL_LOGDRV           0xA4
  52 #define OP_SUP_DEL_LOGDRV       0x2A
  53 #define OP_GET_LDID_MAP         0x18
  54 #define OP_DEL_LOGDRV           0x1C
  55
  56 /*
  57  * BIOS commands
  58  */
  59 #define IS_BIOS_ENABLED         0x62
  60 #define GET_BIOS                0x01
  61 #define CHNL_CLASS              0xA9
  62 #define GET_CHNL_CLASS          0x00
  63 #define SET_CHNL_CLASS          0x01
  64 #define CH_RAID                 0x01
  65 #define CH_SCSI                 0x00
  66 #define BIOS_PVT_DATA           0x40
  67 #define GET_BIOS_PVT_DATA       0x00
  68
  69
  70 /*
  71  * Commands to support clustering
  72  */
  73 #define GET_TARGET_ID           0x7D
  74 #define CLUSTER_OP              0x70
  75 #define GET_CLUSTER_MODE        0x02
  76 #define CLUSTER_CMD             0x6E
  77 #define RESERVE_LD              0x01
  78 #define RELEASE_LD              0x02
  79 #define RESET_RESERVATIONS      0x03
  80 #define RESERVATION_STATUS      0x04
  81 #define RESERVE_PD              0x05
  82 #define RELEASE_PD              0x06
  83
  84
  85 /*
  86  * Module battery status
  87  */
  88 #define BATTERY_MODULE_MISSING          0x01
  89 #define BATTERY_LOW_VOLTAGE             0x02
  90 #define BATTERY_TEMP_HIGH               0x04
  91 #define BATTERY_PACK_MISSING            0x08
  92 #define BATTERY_CHARGE_MASK             0x30
  93 #define BATTERY_CHARGE_DONE             0x00
  94 #define BATTERY_CHARGE_INPROG           0x10
  95 #define BATTERY_CHARGE_FAIL             0x20
  96 #define BATTERY_CYCLES_EXCEEDED         0x40
  97
  98 /*
  99  * Physical drive states.
 100  */
 101 #define PDRV_UNCNF      0
 102 #define PDRV_ONLINE     3
 103 #define PDRV_FAILED     4
 104 #define PDRV_RBLD       5
 105 #define PDRV_HOTSPARE   6
 106
 107
 108 /*
 109  * Raid logical drive states.
 110  */
 111 #define RDRV_OFFLINE    0
 112 #define RDRV_DEGRADED   1
 113 #define RDRV_OPTIMAL    2
 114 #define RDRV_DELETED    3
 115
 116 /*
 117  * Read, write and cache policies
 118  */
 119 #define NO_READ_AHEAD           0
 120 #define READ_AHEAD              1
 121 #define ADAP_READ_AHEAD         2
 122 #define WRMODE_WRITE_THRU       0
 123 #define WRMODE_WRITE_BACK       1
 124 #define CACHED_IO               0
 125 #define DIRECT_IO               1
 126
 127 #define MAX_LOGICAL_DRIVES_8LD          8
 128 #define MAX_LOGICAL_DRIVES_40LD         40
 129 #define FC_MAX_PHYSICAL_DEVICES         256
 130 #define MAX_MBOX_CHANNELS               5
 131 #define MAX_MBOX_TARGET                 15
 132 #define MBOX_MAX_PHYSICAL_DRIVES        MAX_MBOX_CHANNELS*MAX_MBOX_TARGET
 133 #define MAX_ROW_SIZE_40LD               32
 134 #define MAX_ROW_SIZE_8LD                8
 135 #define SPAN_DEPTH_8_SPANS              8
 136 #define SPAN_DEPTH_4_SPANS              4
 137 #define MAX_REQ_SENSE_LEN               0x20
 138
 139
 140
 141 /**
 142  * struct mbox_t - Driver and f/w handshake structure.
 143  * @cmd         : firmware command
 144  * @cmdid       : command id
 145  * @numsectors  : number of sectors to be transferred
 146  * @lba         : Logical Block Address on LD
 147  * @xferaddr    : DMA address for data transfer
 148  * @logdrv      : logical drive number
 149  * @numsge      : number of scatter gather elements in sg list
 150  * @resvd       : reserved
 151  * @busy        : f/w busy, must wait to issue more commands.
 152  * @numstatus   : number of commands completed.
 153  * @status      : status of the commands completed
 154  * @completed   : array of completed command ids.
 155  * @poll        : poll and ack sequence
 156  * @ack         : poll and ack sequence
 157  *
 158  * The central handshake structure between the driver and the firmware. This
 159  * structure must be allocated by the driver and aligned at 8-byte boundary.
 160  */
 161 #define MBOX_MAX_FIRMWARE_STATUS        46
 162 typedef struct {
 163         uint8_t         cmd;
 164         uint8_t         cmdid;
 165         uint16_t        numsectors;
 166         uint32_t        lba;
 167         uint32_t        xferaddr;
 168         uint8_t         logdrv;
 169         uint8_t         numsge;
 170         uint8_t         resvd;
 171         uint8_t         busy;
 172         uint8_t         numstatus;
 173         uint8_t         status;
 174         uint8_t         completed[MBOX_MAX_FIRMWARE_STATUS];
 175         uint8_t         poll;
 176         uint8_t         ack;
 177 } __attribute__ ((packed)) mbox_t;
 178
 179
 180 /**
 181  * mbox64_t - 64-bit extension for the mailbox
 182  * @segment_lo  : the low 32-bits of the address of the scatter-gather list
 183  * @segment_hi  : the upper 32-bits of the address of the scatter-gather list
 184  * @mbox        : 32-bit mailbox, whose xferadder field must be set to
 185  *              0xFFFFFFFF
 186  *
 187  * This is the extension of the 32-bit mailbox to be able to perform DMA
 188  * beyond 4GB address range.
 189  */
 190 typedef struct {
 191         uint32_t        xferaddr_lo;
 192         uint32_t        xferaddr_hi;
 193         mbox_t          mbox32;
 194 } __attribute__ ((packed)) mbox64_t;
 195
 196 /*
 197  * mailbox structure used for internal commands
 198  */
 199 typedef struct {
 200         u8      cmd;
 201         u8      cmdid;
 202         u8      opcode;
 203         u8      subopcode;
 204         u32     lba;
 205         u32     xferaddr;
 206         u8      logdrv;
 207         u8      rsvd[3];
 208         u8      numstatus;
 209         u8      status;
 210 } __attribute__ ((packed)) int_mbox_t;
 211
 212 /**
 213  * mraid_passthru_t - passthru structure to issue commands to physical devices
 214  * @timeout             : command timeout, 0=6sec, 1=60sec, 2=10min, 3=3hr
 215  * @ars                 : set if ARS required after check condition
 216  * @islogical           : set if command meant for logical devices
 217  * @logdrv              : logical drive number if command for LD
 218  * @channel             : Channel on which physical device is located
 219  * @target              : SCSI target of the device
 220  * @queuetag            : unused
 221  * @queueaction         : unused
 222  * @cdb                 : SCSI CDB
 223  * @cdblen              : length of the CDB
 224  * @reqsenselen         : amount of request sense data to be returned
 225  * @reqsensearea        : Sense information buffer
 226  * @numsge              : number of scatter-gather elements in the sg list
 227  * @scsistatus          : SCSI status of the command completed.
 228  * @dataxferaddr        : DMA data transfer address
 229  * @dataxferlen         : amount of the data to be transferred.
 230  */
 231 typedef struct {
 232         uint8_t         timeout         :3;
 233         uint8_t         ars             :1;
 234         uint8_t         reserved        :3;
 235         uint8_t         islogical       :1;
 236         uint8_t         logdrv;
 237         uint8_t         channel;
 238         uint8_t         target;
 239         uint8_t         queuetag;
 240         uint8_t         queueaction;
 241         uint8_t         cdb[10];
 242         uint8_t         cdblen;
 243         uint8_t         reqsenselen;
 244         uint8_t         reqsensearea[MAX_REQ_SENSE_LEN];
 245         uint8_t         numsge;
 246         uint8_t         scsistatus;
 247         uint32_t        dataxferaddr;
 248         uint32_t        dataxferlen;
 249 } __attribute__ ((packed)) mraid_passthru_t;
 250
 251 typedef struct {
 252
 253         uint32_t                dataxferaddr_lo;
 254         uint32_t                dataxferaddr_hi;
 255         mraid_passthru_t        pthru32;
 256
 257 } __attribute__ ((packed)) mega_passthru64_t;
 258
 259 /**
 260  * mraid_epassthru_t - passthru structure to issue commands to physical devices
 261  * @timeout             : command timeout, 0=6sec, 1=60sec, 2=10min, 3=3hr
 262  * @ars                 : set if ARS required after check condition
 263  * @rsvd1               : reserved field
 264  * @cd_rom              : (?)
 265  * @rsvd2               : reserved field
 266  * @islogical           : set if command meant for logical devices
 267  * @logdrv              : logical drive number if command for LD
 268  * @channel             : Channel on which physical device is located
 269  * @target              : SCSI target of the device
 270  * @queuetag            : unused
 271  * @queueaction         : unused
 272  * @cdblen              : length of the CDB
 273  * @rsvd3               : reserved field
 274  * @cdb                 : SCSI CDB
 275  * @numsge              : number of scatter-gather elements in the sg list
 276  * @status              : SCSI status of the command completed.
 277  * @reqsenselen         : amount of request sense data to be returned
 278  * @reqsensearea        : Sense information buffer
 279  * @rsvd4               : reserved field
 280  * @dataxferaddr        : DMA data transfer address
 281  * @dataxferlen         : amount of the data to be transferred.
 282  */
 283 typedef struct {
 284         uint8_t         timeout         :3;
 285         uint8_t         ars             :1;
 286         uint8_t         rsvd1           :1;
 287         uint8_t         cd_rom          :1;
 288         uint8_t         rsvd2           :1;
 289         uint8_t         islogical       :1;
 290         uint8_t         logdrv;
 291         uint8_t         channel;
 292         uint8_t         target;
 293         uint8_t         queuetag;
 294         uint8_t         queueaction;
 295         uint8_t         cdblen;
 296         uint8_t         rsvd3;
 297         uint8_t         cdb[16];
 298         uint8_t         numsge;
 299         uint8_t         status;
 300         uint8_t         reqsenselen;
 301         uint8_t         reqsensearea[MAX_REQ_SENSE_LEN];
 302         uint8_t         rsvd4;
 303         uint32_t        dataxferaddr;
 304         uint32_t        dataxferlen;
 305 } __attribute__ ((packed)) mraid_epassthru_t;
 306
 307
 308 /**
 309  * mraid_pinfo_t - product info, static information about the controller
 310  * @data_size           : current size in bytes (not including resvd)
 311  * @config_signature    : Current value is 0x00282008
 312  * @fw_version          : Firmware version
 313  * @bios_version        : version of the BIOS
 314  * @product_name        : Name given to the controller
 315  * @max_commands        : Maximum concurrent commands supported
 316  * @nchannels           : Number of SCSI Channels detected
 317  * @fc_loop_present     : Number of Fibre Loops detected
 318  * @mem_type            : EDO, FPM, SDRAM etc
 319  * @signature           :
 320  * @dram_size           : In terms of MB
 321  * @subsysid            : device PCI subsystem ID
 322  * @subsysvid           : device PCI subsystem vendor ID
 323  * @notify_counters     :
 324  * @pad1k               : 135 + 889 resvd = 1024 total size
 325  *
 326  * This structures holds the information about the controller which is not
 327  * expected to change dynamically.
 328  *
 329  * The current value of config signature is 0x00282008:
 330  * 0x28 = MAX_LOGICAL_DRIVES,
 331  * 0x20 = Number of stripes and
 332  * 0x08 = Number of spans
 333  */
 334 typedef struct {
 335         uint32_t        data_size;
 336         uint32_t        config_signature;
 337         uint8_t         fw_version[16];
 338         uint8_t         bios_version[16];
 339         uint8_t         product_name[80];
 340         uint8_t         max_commands;
 341         uint8_t         nchannels;
 342         uint8_t         fc_loop_present;
 343         uint8_t         mem_type;
 344         uint32_t        signature;
 345         uint16_t        dram_size;
 346         uint16_t        subsysid;
 347         uint16_t        subsysvid;
 348         uint8_t         notify_counters;
 349         uint8_t         pad1k[889];
 350 } __attribute__ ((packed)) mraid_pinfo_t;
 351
 352
 353 /**
 354  * mraid_notify_t - the notification structure
 355  * @global_counter              : Any change increments this counter
 356  * @param_counter               : Indicates any params changed
 357  * @param_id                    : Param modified - defined below
 358  * @param_val                   : New val of last param modified
 359  * @write_config_counter        : write config occurred
 360  * @write_config_rsvd           :
 361  * @ldrv_op_counter             : Indicates ldrv op started/completed
 362  * @ldrv_opid                   : ldrv num
 363  * @ldrv_opcmd                  : ldrv operation - defined below
 364  * @ldrv_opstatus               : status of the operation
 365  * @ldrv_state_counter          : Indicates change of ldrv state
 366  * @ldrv_state_id               : ldrv num
 367  * @ldrv_state_new              : New state
 368  * @ldrv_state_old              : old state
 369  * @pdrv_state_counter          : Indicates change of ldrv state
 370  * @pdrv_state_id               : pdrv id
 371  * @pdrv_state_new              : New state
 372  * @pdrv_state_old              : old state
 373  * @pdrv_fmt_counter            : Indicates pdrv format started/over
 374  * @pdrv_fmt_id                 : pdrv id
 375  * @pdrv_fmt_val                : format started/over
 376  * @pdrv_fmt_rsvd               :
 377  * @targ_xfer_counter           : Indicates SCSI-2 Xfer rate change
 378  * @targ_xfer_id                : pdrv Id
 379  * @targ_xfer_val               : new Xfer params of last pdrv
 380  * @targ_xfer_rsvd              :
 381  * @fcloop_id_chg_counter       : Indicates loopid changed
 382  * @fcloopid_pdrvid             : pdrv id
 383  * @fcloop_id0                  : loopid on fc loop 0
 384  * @fcloop_id1                  : loopid on fc loop 1
 385  * @fcloop_state_counter        : Indicates loop state changed
 386  * @fcloop_state0               : state of fc loop 0
 387  * @fcloop_state1               : state of fc loop 1
 388  * @fcloop_state_rsvd           :
 389  */
 390 typedef struct {
 391         uint32_t        global_counter;
 392         uint8_t         param_counter;
 393         uint8_t         param_id;
 394         uint16_t        param_val;
 395         uint8_t         write_config_counter;
 396         uint8_t         write_config_rsvd[3];
 397         uint8_t         ldrv_op_counter;
 398         uint8_t         ldrv_opid;
 399         uint8_t         ldrv_opcmd;
 400         uint8_t         ldrv_opstatus;
 401         uint8_t         ldrv_state_counter;
 402         uint8_t         ldrv_state_id;
 403         uint8_t         ldrv_state_new;
 404         uint8_t         ldrv_state_old;
 405         uint8_t         pdrv_state_counter;
 406         uint8_t         pdrv_state_id;
 407         uint8_t         pdrv_state_new;
 408         uint8_t         pdrv_state_old;
 409         uint8_t         pdrv_fmt_counter;
 410         uint8_t         pdrv_fmt_id;
 411         uint8_t         pdrv_fmt_val;
 412         uint8_t         pdrv_fmt_rsvd;
 413         uint8_t         targ_xfer_counter;
 414         uint8_t         targ_xfer_id;
 415         uint8_t         targ_xfer_val;
 416         uint8_t         targ_xfer_rsvd;
 417         uint8_t         fcloop_id_chg_counter;
 418         uint8_t         fcloopid_pdrvid;
 419         uint8_t         fcloop_id0;
 420         uint8_t         fcloop_id1;
 421         uint8_t         fcloop_state_counter;
 422         uint8_t         fcloop_state0;
 423         uint8_t         fcloop_state1;
 424         uint8_t         fcloop_state_rsvd;
 425 } __attribute__ ((packed)) mraid_notify_t;
 426
 427
 428 /**
 429  * mraid_inquiry3_t - enquiry for device information
 430  *
 431  * @data_size           : current size in bytes (not including resvd)
 432  * @notify              :
 433  * @notify_rsvd         :
 434  * @rebuild_rate        : rebuild rate (0% - 100%)
 435  * @cache_flush_int     : cache flush interval in seconds
 436  * @sense_alert         :
 437  * @drive_insert_count  : drive insertion count
 438  * @battery_status      :
 439  * @num_ldrv            : no. of Log Drives configured
 440  * @recon_state         : state of reconstruct
 441  * @ldrv_op_status      : logdrv Status
 442  * @ldrv_size           : size of each log drv
 443  * @ldrv_prop           :
 444  * @ldrv_state          : state of log drives
 445  * @pdrv_state          : state of phys drvs.
 446  * @pdrv_format         :
 447  * @targ_xfer           : phys device transfer rate
 448  * @pad1k               : 761 + 263reserved = 1024 bytes total size
 449  */
 450 #define MAX_NOTIFY_SIZE         0x80
 451 #define CUR_NOTIFY_SIZE         sizeof(mraid_notify_t)
 452
 453 typedef struct {
 454         uint32_t        data_size;
 455
 456         mraid_notify_t  notify;
 457
 458         uint8_t         notify_rsvd[MAX_NOTIFY_SIZE - CUR_NOTIFY_SIZE];
 459
 460         uint8_t         rebuild_rate;
 461         uint8_t         cache_flush_int;
 462         uint8_t         sense_alert;
 463         uint8_t         drive_insert_count;
 464
 465         uint8_t         battery_status;
 466         uint8_t         num_ldrv;
 467         uint8_t         recon_state[MAX_LOGICAL_DRIVES_40LD / 8];
 468         uint16_t        ldrv_op_status[MAX_LOGICAL_DRIVES_40LD / 8];
 469
 470         uint32_t        ldrv_size[MAX_LOGICAL_DRIVES_40LD];
 471         uint8_t         ldrv_prop[MAX_LOGICAL_DRIVES_40LD];
 472         uint8_t         ldrv_state[MAX_LOGICAL_DRIVES_40LD];
 473         uint8_t         pdrv_state[FC_MAX_PHYSICAL_DEVICES];
 474         uint16_t        pdrv_format[FC_MAX_PHYSICAL_DEVICES / 16];
 475
 476         uint8_t         targ_xfer[80];
 477         uint8_t         pad1k[263];
 478 } __attribute__ ((packed)) mraid_inquiry3_t;
 479
 480
 481 /**
 482  * mraid_adapinfo_t - information about the adapter
 483  * @max_commands                : max concurrent commands supported
 484  * @rebuild_rate                : rebuild rate - 0% thru 100%
 485  * @max_targ_per_chan           : max targ per channel
 486  * @nchannels                   : number of channels on HBA
 487  * @fw_version                  : firmware version
 488  * @age_of_flash                : number of times FW has been flashed
 489  * @chip_set_value              : contents of 0xC0000832
 490  * @dram_size                   : in MB
 491  * @cache_flush_interval        : in seconds
 492  * @bios_version                :
 493  * @board_type                  :
 494  * @sense_alert                 :
 495  * @write_config_count          : increase with every configuration change
 496  * @drive_inserted_count        : increase with every drive inserted
 497  * @inserted_drive              : channel:Id of inserted drive
 498  * @battery_status              : bit 0: battery module missing
 499  *                              bit 1: VBAD
 500  *                              bit 2: temprature high
 501  *                              bit 3: battery pack missing
 502  *                              bit 4,5:
 503  *                                      00 - charge complete
 504  *                                      01 - fast charge in progress
 505  *                                      10 - fast charge fail
 506  *                                      11 - undefined
 507  *                              bit 6: counter > 1000
 508  *                              bit 7: Undefined
 509  * @dec_fault_bus_info          :
 510  */
 511 typedef struct {
 512         uint8_t         max_commands;
 513         uint8_t         rebuild_rate;
 514         uint8_t         max_targ_per_chan;
 515         uint8_t         nchannels;
 516         uint8_t         fw_version[4];
 517         uint16_t        age_of_flash;
 518         uint8_t         chip_set_value;
 519         uint8_t         dram_size;
 520         uint8_t         cache_flush_interval;
 521         uint8_t         bios_version[4];
 522         uint8_t         board_type;
 523         uint8_t         sense_alert;
 524         uint8_t         write_config_count;
 525         uint8_t         battery_status;
 526         uint8_t         dec_fault_bus_info;
 527 } __attribute__ ((packed)) mraid_adapinfo_t;
 528
 529
 530 /**
 531  * mraid_ldrv_info_t - information about the logical drives
 532  * @nldrv       : Number of logical drives configured
 533  * @rsvd        :
 534  * @size        : size of each logical drive
 535  * @prop        :
 536  * @state       : state of each logical drive
 537  */
 538 typedef struct {
 539         uint8_t         nldrv;
 540         uint8_t         rsvd[3];
 541         uint32_t        size[MAX_LOGICAL_DRIVES_8LD];
 542         uint8_t         prop[MAX_LOGICAL_DRIVES_8LD];
 543         uint8_t         state[MAX_LOGICAL_DRIVES_8LD];
 544 } __attribute__ ((packed)) mraid_ldrv_info_t;
 545
 546
 547 /**
 548  * mraid_pdrv_info_t - information about the physical drives
 549  * @pdrv_state  : state of each physical drive
 550  */
 551 typedef struct {
 552         uint8_t         pdrv_state[MBOX_MAX_PHYSICAL_DRIVES];
 553         uint8_t         rsvd;
 554 } __attribute__ ((packed)) mraid_pdrv_info_t;
 555
 556
 557 /**
 558  * mraid_inquiry_t - RAID inquiry, mailbox command 0x05
 559  * @mraid_adapinfo_t    : adapter information
 560  * @mraid_ldrv_info_t   : logical drives information
 561  * @mraid_pdrv_info_t   : physical drives information
 562  */
 563 typedef struct {
 564         mraid_adapinfo_t        adapter_info;
 565         mraid_ldrv_info_t       logdrv_info;
 566         mraid_pdrv_info_t       pdrv_info;
 567 } __attribute__ ((packed)) mraid_inquiry_t;
 568
 569
 570 /**
 571  * mraid_extinq_t - RAID extended inquiry, mailbox command 0x04
 572  *
 573  * @raid_inq            : raid inquiry
 574  * @phys_drv_format     :
 575  * @stack_attn          :
 576  * @modem_status        :
 577  * @rsvd                :
 578  */
 579 typedef struct {
 580         mraid_inquiry_t raid_inq;
 581         uint16_t        phys_drv_format[MAX_MBOX_CHANNELS];
 582         uint8_t         stack_attn;
 583         uint8_t         modem_status;
 584         uint8_t         rsvd[2];
 585 } __attribute__ ((packed)) mraid_extinq_t;
 586
 587
 588 /**
 589  * adap_device_t - device information
 590  * @channel     : channel fpor the device
 591  * @target      : target ID of the device
 592  */
 593 typedef struct {
 594         uint8_t         channel;
 595         uint8_t         target;
 596 }__attribute__ ((packed)) adap_device_t;
 597
 598
 599 /**
 600  * adap_span_40ld_t - 40LD span
 601  * @start_blk   : starting block
 602  * @num_blks    : number of blocks
 603  */
 604 typedef struct {
 605         uint32_t        start_blk;
 606         uint32_t        num_blks;
 607         adap_device_t   device[MAX_ROW_SIZE_40LD];
 608 }__attribute__ ((packed)) adap_span_40ld_t;
 609
 610
 611 /**
 612  * adap_span_8ld_t - 8LD span
 613  * @start_blk   : starting block
 614  * @num_blks    : number of blocks
 615  */
 616 typedef struct {
 617         uint32_t        start_blk;
 618         uint32_t        num_blks;
 619         adap_device_t   device[MAX_ROW_SIZE_8LD];
 620 }__attribute__ ((packed)) adap_span_8ld_t;
 621
 622
 623 /**
 624  * logdrv_param_t - logical drives parameters
 625  *
 626  * @span_depth  : total number of spans
 627  * @level       : RAID level
 628  * @read_ahead  : read ahead, no read ahead, adaptive read ahead
 629  * @stripe_sz   : encoded stripe size
 630  * @status      : status of the logical drive
 631  * @write_mode  : write mode, write_through/write_back
 632  * @direct_io   : direct io or through cache
 633  * @row_size    : number of stripes in a row
 634  */
 635 typedef struct {
 636         uint8_t         span_depth;
 637         uint8_t         level;
 638         uint8_t         read_ahead;
 639         uint8_t         stripe_sz;
 640         uint8_t         status;
 641         uint8_t         write_mode;
 642         uint8_t         direct_io;
 643         uint8_t         row_size;
 644 } __attribute__ ((packed)) logdrv_param_t;
 645
 646
 647 /**
 648  * logdrv_40ld_t - logical drive definition for 40LD controllers
 649  * @lparam      : logical drives parameters
 650  * @span        : span
 651  */
 652 typedef struct {
 653         logdrv_param_t          lparam;
 654         adap_span_40ld_t        span[SPAN_DEPTH_8_SPANS];
 655 }__attribute__ ((packed)) logdrv_40ld_t;
 656
 657
 658 /**
 659  * logdrv_8ld_span8_t - logical drive definition for 8LD controllers
 660  * @lparam      : logical drives parameters
 661  * @span        : span
 662  *
 663  * 8-LD logical drive with upto 8 spans
 664  */
 665 typedef struct {
 666         logdrv_param_t  lparam;
 667         adap_span_8ld_t span[SPAN_DEPTH_8_SPANS];
 668 }__attribute__ ((packed)) logdrv_8ld_span8_t;
 669
 670
 671 /**
 672  * logdrv_8ld_span4_t - logical drive definition for 8LD controllers
 673  * @lparam      : logical drives parameters
 674  * @span        : span
 675  *
 676  * 8-LD logical drive with upto 4 spans
 677  */
 678 typedef struct {
 679         logdrv_param_t  lparam;
 680         adap_span_8ld_t span[SPAN_DEPTH_4_SPANS];
 681 }__attribute__ ((packed)) logdrv_8ld_span4_t;
 682
 683
 684 /**
 685  * phys_drive_t - physical device information
 686  * @type        : Type of the device
 687  * @cur_status  : current status of the device
 688  * @tag_depth   : Level of tagging
 689  * @sync_neg    : sync negotiation - ENABLE or DISBALE
 690  * @size        : configurable size in terms of 512 byte
 691  */
 692 typedef struct {
 693         uint8_t         type;
 694         uint8_t         cur_status;
 695         uint8_t         tag_depth;
 696         uint8_t         sync_neg;
 697         uint32_t        size;
 698 }__attribute__ ((packed)) phys_drive_t;
 699
 700
 701 /**
 702  * disk_array_40ld_t - disk array for 40LD controllers
 703  * @numldrv     : number of logical drives
 704  * @resvd       :
 705  * @ldrv        : logical drives information
 706  * @pdrv        : physical drives information
 707  */
 708 typedef struct {
 709         uint8_t         numldrv;
 710         uint8_t         resvd[3];
 711         logdrv_40ld_t   ldrv[MAX_LOGICAL_DRIVES_40LD];
 712         phys_drive_t    pdrv[MBOX_MAX_PHYSICAL_DRIVES];
 713 }__attribute__ ((packed)) disk_array_40ld_t;
 714
 715
 716 /**
 717  * disk_array_8ld_span8_t - disk array for 8LD controllers
 718  * @numldrv     : number of logical drives
 719  * @resvd       :
 720  * @ldrv        : logical drives information
 721  * @pdrv        : physical drives information
 722  *
 723  * Disk array for 8LD logical drives with upto 8 spans
 724  */
 725 typedef struct {
 726         uint8_t                 numldrv;
 727         uint8_t                 resvd[3];
 728         logdrv_8ld_span8_t      ldrv[MAX_LOGICAL_DRIVES_8LD];
 729         phys_drive_t            pdrv[MBOX_MAX_PHYSICAL_DRIVES];
 730 }__attribute__ ((packed)) disk_array_8ld_span8_t;
 731
 732
 733 /**
 734  * disk_array_8ld_span4_t - disk array for 8LD controllers
 735  * @numldrv     : number of logical drives
 736  * @resvd       :
 737  * @ldrv        : logical drives information
 738  * @pdrv        : physical drives information
 739  *
 740  * Disk array for 8LD logical drives with upto 4 spans
 741  */
 742 typedef struct {
 743         uint8_t                 numldrv;
 744         uint8_t                 resvd[3];
 745         logdrv_8ld_span4_t      ldrv[MAX_LOGICAL_DRIVES_8LD];
 746         phys_drive_t            pdrv[MBOX_MAX_PHYSICAL_DRIVES];
 747 }__attribute__ ((packed)) disk_array_8ld_span4_t;
 748
 749
 750 /**
 751  * struct private_bios_data - bios private data for boot devices
 752  * @geometry    : bits 0-3 - BIOS geometry, 0x0001 - 1GB, 0x0010 - 2GB,
 753  *              0x1000 - 8GB, Others values are invalid
 754  * @unused      : bits 4-7 are unused
 755  * @boot_drv    : logical drive set as boot drive, 0..7 - for 8LD cards,
 756  *              0..39 - for 40LD cards
 757  * @cksum       : 0-(sum of first 13 bytes of this structure)
 758  */
 759 struct private_bios_data {
 760         uint8_t         geometry        :4;
 761         uint8_t         unused          :4;
 762         uint8_t         boot_drv;
 763         uint8_t         rsvd[12];
 764         uint16_t        cksum;
 765 } __attribute__ ((packed));
 766
 767
 768 /**
 769  * mbox_sgl64 - 64-bit scatter list for mailbox based controllers
 770  * @address     : address of the buffer
 771  * @length      : data transfer length
 772  */
 773 typedef struct {
 774         uint64_t        address;
 775         uint32_t        length;
 776 } __attribute__ ((packed)) mbox_sgl64;
 777
 778 /**
 779  * mbox_sgl32 - 32-bit scatter list for mailbox based controllers
 780  * @address     : address of the buffer
 781  * @length      : data transfer length
 782  */
 783 typedef struct {
 784         uint32_t        address;
 785         uint32_t        length;
 786 } __attribute__ ((packed)) mbox_sgl32;
 787
 788 #endif          // _MRAID_MBOX_DEFS_H_
 789
 790 /* vim: set ts=8 sw=8 tw=78: */