drivers/scsi/arcmsr/arcmsr.h

   1 /*
   2 *******************************************************************************
   3 **        O.S   : Linux
   4 **   FILE NAME  : arcmsr.h
   5 **        BY    : Nick Cheng
   6 **   Description: SCSI RAID Device Driver for
   7 **                ARECA RAID Host adapter
   8 *******************************************************************************
   9 ** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved.
  10 **
  11 **     Web site: www.areca.com.tw
  12 **       E-mail: support@areca.com.tw
  13 **
  14 ** This program is free software; you can redistribute it and/or modify
  15 ** it under the terms of the GNU General Public License version 2 as
  16 ** published by the Free Software Foundation.
  17 ** This program is distributed in the hope that it will be useful,
  18 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ** GNU General Public License for more details.
  21 *******************************************************************************
  22 ** Redistribution and use in source and binary forms, with or without
  23 ** modification, are permitted provided that the following conditions
  24 ** are met:
  25 ** 1. Redistributions of source code must retain the above copyright
  26 **    notice, this list of conditions and the following disclaimer.
  27 ** 2. Redistributions in binary form must reproduce the above copyright
  28 **    notice, this list of conditions and the following disclaimer in the
  29 **    documentation and/or other materials provided with the distribution.
  30 ** 3. The name of the author may not be used to endorse or promote products
  31 **    derived from this software without specific prior written permission.
  32 **
  33 ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  34 ** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  35 ** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  36 ** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  37 ** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT
  38 ** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  39 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION)HOWEVER CAUSED AND ON ANY
  40 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  41 **(INCLUDING NEGLIGENCE OR OTHERWISE)ARISING IN ANY WAY OUT OF THE USE OF
  42 ** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  43 *******************************************************************************
  44 */
  45 #include <linux/interrupt.h>
  46 struct device_attribute;
  47 /*The limit of outstanding scsi command that firmware can handle*/
  48 #define ARCMSR_MAX_OUTSTANDING_CMD                                              256
  49 #ifdef CONFIG_XEN
  50         #define ARCMSR_MAX_FREECCB_NUM  160
  51 #else
  52         #define ARCMSR_MAX_FREECCB_NUM  320
  53 #endif
  54 #define ARCMSR_DRIVER_VERSION                "Driver Version 1.20.00.15 2010/08/05"
  55 #define ARCMSR_SCSI_INITIATOR_ID                                                255
  56 #define ARCMSR_MAX_XFER_SECTORS                                                 512
  57 #define ARCMSR_MAX_XFER_SECTORS_B                                               4096
  58 #define ARCMSR_MAX_XFER_SECTORS_C                                               304
  59 #define ARCMSR_MAX_TARGETID                                                     17
  60 #define ARCMSR_MAX_TARGETLUN                                                    8
  61 #define ARCMSR_MAX_CMD_PERLUN                            ARCMSR_MAX_OUTSTANDING_CMD
  62 #define ARCMSR_MAX_QBUFFER                                                      4096
  63 #define ARCMSR_DEFAULT_SG_ENTRIES                                               38
  64 #define ARCMSR_MAX_HBB_POSTQUEUE                                                264
  65 #define ARCMSR_MAX_XFER_LEN                                                     0x26000 /* 152K */
  66 #define ARCMSR_CDB_SG_PAGE_LENGTH                                               256
  67 #ifndef PCI_DEVICE_ID_ARECA_1880
  68 #define PCI_DEVICE_ID_ARECA_1880 0x1880
  69  #endif
  70 /*
  71 **********************************************************************************
  72 **
  73 **********************************************************************************
  74 */
  75 #define ARC_SUCCESS                                                       0
  76 #define ARC_FAILURE                                                       1
  77 /*
  78 *******************************************************************************
  79 **        split 64bits dma addressing
  80 *******************************************************************************
  81 */
  82 #define dma_addr_hi32(addr)               (uint32_t) ((addr>>16)>>16)
  83 #define dma_addr_lo32(addr)               (uint32_t) (addr & 0xffffffff)
  84 /*
  85 *******************************************************************************
  86 **        MESSAGE CONTROL CODE
  87 *******************************************************************************
  88 */
  89 struct CMD_MESSAGE
  90 {
  91       uint32_t HeaderLength;
  92       uint8_t  Signature[8];
  93       uint32_t Timeout;
  94       uint32_t ControlCode;
  95       uint32_t ReturnCode;
  96       uint32_t Length;
  97 };
  98 /*
  99 *******************************************************************************
 100 **        IOP Message Transfer Data for user space
 101 *******************************************************************************
 102 */
 103 struct CMD_MESSAGE_FIELD
 104 {
 105     struct CMD_MESSAGE                  cmdmessage;
 106     uint8_t                             messagedatabuffer[1032];
 107 };
 108 /* IOP message transfer */
 109 #define ARCMSR_MESSAGE_FAIL                     0x0001
 110 /* DeviceType */
 111 #define ARECA_SATA_RAID                         0x90000000
 112 /* FunctionCode */
 113 #define FUNCTION_READ_RQBUFFER                  0x0801
 114 #define FUNCTION_WRITE_WQBUFFER                 0x0802
 115 #define FUNCTION_CLEAR_RQBUFFER                 0x0803
 116 #define FUNCTION_CLEAR_WQBUFFER                 0x0804
 117 #define FUNCTION_CLEAR_ALLQBUFFER               0x0805
 118 #define FUNCTION_RETURN_CODE_3F                 0x0806
 119 #define FUNCTION_SAY_HELLO                      0x0807
 120 #define FUNCTION_SAY_GOODBYE                    0x0808
 121 #define FUNCTION_FLUSH_ADAPTER_CACHE            0x0809
 122 #define FUNCTION_GET_FIRMWARE_STATUS                    0x080A
 123 #define FUNCTION_HARDWARE_RESET                 0x080B
 124 /* ARECA IO CONTROL CODE*/
 125 #define ARCMSR_MESSAGE_READ_RQBUFFER       \
 126         ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER
 127 #define ARCMSR_MESSAGE_WRITE_WQBUFFER      \
 128         ARECA_SATA_RAID | FUNCTION_WRITE_WQBUFFER
 129 #define ARCMSR_MESSAGE_CLEAR_RQBUFFER      \
 130         ARECA_SATA_RAID | FUNCTION_CLEAR_RQBUFFER
 131 #define ARCMSR_MESSAGE_CLEAR_WQBUFFER      \
 132         ARECA_SATA_RAID | FUNCTION_CLEAR_WQBUFFER
 133 #define ARCMSR_MESSAGE_CLEAR_ALLQBUFFER    \
 134         ARECA_SATA_RAID | FUNCTION_CLEAR_ALLQBUFFER
 135 #define ARCMSR_MESSAGE_RETURN_CODE_3F      \
 136         ARECA_SATA_RAID | FUNCTION_RETURN_CODE_3F
 137 #define ARCMSR_MESSAGE_SAY_HELLO           \
 138         ARECA_SATA_RAID | FUNCTION_SAY_HELLO
 139 #define ARCMSR_MESSAGE_SAY_GOODBYE         \
 140         ARECA_SATA_RAID | FUNCTION_SAY_GOODBYE
 141 #define ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE \
 142         ARECA_SATA_RAID | FUNCTION_FLUSH_ADAPTER_CACHE
 143 /* ARECA IOCTL ReturnCode */
 144 #define ARCMSR_MESSAGE_RETURNCODE_OK            0x00000001
 145 #define ARCMSR_MESSAGE_RETURNCODE_ERROR         0x00000006
 146 #define ARCMSR_MESSAGE_RETURNCODE_3F            0x0000003F
 147 #define ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON   0x00000088
 148 /*
 149 *************************************************************
 150 **   structure for holding DMA address data
 151 *************************************************************
 152 */
 153 #define IS_DMA64                        (sizeof(dma_addr_t) == 8)
 154 #define IS_SG64_ADDR                0x01000000 /* bit24 */
 155 struct  SG32ENTRY
 156 {
 157         __le32                                  length;
 158         __le32                                  address;
 159 }__attribute__ ((packed));
 160 struct  SG64ENTRY
 161 {
 162         __le32                                  length;
 163         __le32                                  address;
 164         __le32                                  addresshigh;
 165 }__attribute__ ((packed));
 166 /*
 167 ********************************************************************
 168 **      Q Buffer of IOP Message Transfer
 169 ********************************************************************
 170 */
 171 struct QBUFFER
 172 {
 173         uint32_t      data_len;
 174         uint8_t       data[124];
 175 };
 176 /*
 177 *******************************************************************************
 178 **      FIRMWARE INFO for Intel IOP R 80331 processor (Type A)
 179 *******************************************************************************
 180 */
 181 struct FIRMWARE_INFO
 182 {
 183         uint32_t      signature;                /*0, 00-03*/
 184         uint32_t      request_len;              /*1, 04-07*/
 185         uint32_t      numbers_queue;            /*2, 08-11*/
 186         uint32_t      sdram_size;               /*3, 12-15*/
 187         uint32_t      ide_channels;             /*4, 16-19*/
 188         char          vendor[40];               /*5, 20-59*/
 189         char          model[8];                 /*15, 60-67*/
 190         char          firmware_ver[16];         /*17, 68-83*/
 191         char          device_map[16];           /*21, 84-99*/
 192         uint32_t                cfgVersion;                     /*25,100-103 Added for checking of new firmware capability*/
 193         uint8_t         cfgSerial[16];                  /*26,104-119*/
 194         uint32_t                cfgPicStatus;                   /*30,120-123*/
 195 };
 196 /* signature of set and get firmware config */
 197 #define ARCMSR_SIGNATURE_GET_CONFIG                   0x87974060
 198 #define ARCMSR_SIGNATURE_SET_CONFIG                   0x87974063
 199 /* message code of inbound message register */
 200 #define ARCMSR_INBOUND_MESG0_NOP                      0x00000000
 201 #define ARCMSR_INBOUND_MESG0_GET_CONFIG               0x00000001
 202 #define ARCMSR_INBOUND_MESG0_SET_CONFIG               0x00000002
 203 #define ARCMSR_INBOUND_MESG0_ABORT_CMD                0x00000003
 204 #define ARCMSR_INBOUND_MESG0_STOP_BGRB                0x00000004
 205 #define ARCMSR_INBOUND_MESG0_FLUSH_CACHE              0x00000005
 206 #define ARCMSR_INBOUND_MESG0_START_BGRB               0x00000006
 207 #define ARCMSR_INBOUND_MESG0_CHK331PENDING            0x00000007
 208 #define ARCMSR_INBOUND_MESG0_SYNC_TIMER               0x00000008
 209 /* doorbell interrupt generator */
 210 #define ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK           0x00000001
 211 #define ARCMSR_INBOUND_DRIVER_DATA_READ_OK            0x00000002
 212 #define ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK          0x00000001
 213 #define ARCMSR_OUTBOUND_IOP331_DATA_READ_OK           0x00000002
 214 /* ccb areca cdb flag */
 215 #define ARCMSR_CCBPOST_FLAG_SGL_BSIZE                 0x80000000
 216 #define ARCMSR_CCBPOST_FLAG_IAM_BIOS                  0x40000000
 217 #define ARCMSR_CCBREPLY_FLAG_IAM_BIOS                 0x40000000
 218 #define ARCMSR_CCBREPLY_FLAG_ERROR_MODE0              0x10000000
 219 #define ARCMSR_CCBREPLY_FLAG_ERROR_MODE1              0x00000001
 220 /* outbound firmware ok */
 221 #define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK             0x80000000
 222 /* ARC-1680 Bus Reset*/
 223 #define ARCMSR_ARC1680_BUS_RESET                                0x00000003
 224 /* ARC-1880 Bus Reset*/
 225 #define ARCMSR_ARC1880_RESET_ADAPTER                            0x00000024
 226 #define ARCMSR_ARC1880_DiagWrite_ENABLE                 0x00000080
 227
 228 /*
 229 ************************************************************************
 230 **                SPEC. for Areca Type B adapter
 231 ************************************************************************
 232 */
 233 /* ARECA HBB COMMAND for its FIRMWARE */
 234 /* window of "instruction flags" from driver to iop */
 235 #define ARCMSR_DRV2IOP_DOORBELL                       0x00020400
 236 #define ARCMSR_DRV2IOP_DOORBELL_MASK                  0x00020404
 237 /* window of "instruction flags" from iop to driver */
 238 #define ARCMSR_IOP2DRV_DOORBELL                       0x00020408
 239 #define ARCMSR_IOP2DRV_DOORBELL_MASK                  0x0002040C
 240 /* ARECA FLAG LANGUAGE */
 241 /* ioctl transfer */
 242 #define ARCMSR_IOP2DRV_DATA_WRITE_OK                  0x00000001
 243 /* ioctl transfer */
 244 #define ARCMSR_IOP2DRV_DATA_READ_OK                   0x00000002
 245 #define ARCMSR_IOP2DRV_CDB_DONE                       0x00000004
 246 #define ARCMSR_IOP2DRV_MESSAGE_CMD_DONE               0x00000008
 247
 248 #define ARCMSR_DOORBELL_HANDLE_INT                    0x0000000F
 249 #define ARCMSR_DOORBELL_INT_CLEAR_PATTERN             0xFF00FFF0
 250 #define ARCMSR_MESSAGE_INT_CLEAR_PATTERN              0xFF00FFF7
 251 /* (ARCMSR_INBOUND_MESG0_GET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
 252 #define ARCMSR_MESSAGE_GET_CONFIG                     0x00010008
 253 /* (ARCMSR_INBOUND_MESG0_SET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
 254 #define ARCMSR_MESSAGE_SET_CONFIG                     0x00020008
 255 /* (ARCMSR_INBOUND_MESG0_ABORT_CMD<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
 256 #define ARCMSR_MESSAGE_ABORT_CMD                      0x00030008
 257 /* (ARCMSR_INBOUND_MESG0_STOP_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
 258 #define ARCMSR_MESSAGE_STOP_BGRB                      0x00040008
 259 /* (ARCMSR_INBOUND_MESG0_FLUSH_CACHE<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
 260 #define ARCMSR_MESSAGE_FLUSH_CACHE                    0x00050008
 261 /* (ARCMSR_INBOUND_MESG0_START_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
 262 #define ARCMSR_MESSAGE_START_BGRB                     0x00060008
 263 #define ARCMSR_MESSAGE_START_DRIVER_MODE              0x000E0008
 264 #define ARCMSR_MESSAGE_SET_POST_WINDOW                0x000F0008
 265 #define ARCMSR_MESSAGE_ACTIVE_EOI_MODE              0x00100008
 266 /* ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK */
 267 #define ARCMSR_MESSAGE_FIRMWARE_OK                    0x80000000
 268 /* ioctl transfer */
 269 #define ARCMSR_DRV2IOP_DATA_WRITE_OK                  0x00000001
 270 /* ioctl transfer */
 271 #define ARCMSR_DRV2IOP_DATA_READ_OK                   0x00000002
 272 #define ARCMSR_DRV2IOP_CDB_POSTED                     0x00000004
 273 #define ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED             0x00000008
 274 #define ARCMSR_DRV2IOP_END_OF_INTERRUPT         0x00000010
 275
 276 /* data tunnel buffer between user space program and its firmware */
 277 /* user space data to iop 128bytes */
 278 #define ARCMSR_MESSAGE_WBUFFER                        0x0000fe00
 279 /* iop data to user space 128bytes */
 280 #define ARCMSR_MESSAGE_RBUFFER                        0x0000ff00
 281 /* iop message_rwbuffer for message command */
 282 #define ARCMSR_MESSAGE_RWBUFFER                       0x0000fa00
 283 /*
 284 ************************************************************************
 285 **                SPEC. for Areca HBC adapter
 286 ************************************************************************
 287 */
 288 #define ARCMSR_HBC_ISR_THROTTLING_LEVEL         12
 289 #define ARCMSR_HBC_ISR_MAX_DONE_QUEUE           20
 290 /* Host Interrupt Mask */
 291 #define ARCMSR_HBCMU_UTILITY_A_ISR_MASK         0x00000001 /* When clear, the Utility_A interrupt routes to the host.*/
 292 #define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK 0x00000004 /* When clear, the General Outbound Doorbell interrupt routes to the host.*/
 293 #define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK        0x00000008 /* When clear, the Outbound Post List FIFO Not Empty interrupt routes to the host.*/
 294 #define ARCMSR_HBCMU_ALL_INTMASKENABLE          0x0000000D /* disable all ISR */
 295 /* Host Interrupt Status */
 296 #define ARCMSR_HBCMU_UTILITY_A_ISR                      0x00000001
 297         /*
 298         ** Set when the Utility_A Interrupt bit is set in the Outbound Doorbell Register.
 299         ** It clears by writing a 1 to the Utility_A bit in the Outbound Doorbell Clear Register or through automatic clearing (if enabled).
 300         */
 301 #define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR              0x00000004
 302         /*
 303         ** Set if Outbound Doorbell register bits 30:1 have a non-zero
 304         ** value. This bit clears only when Outbound Doorbell bits
 305         ** 30:1 are ALL clear. Only a write to the Outbound Doorbell
 306         ** Clear register clears bits in the Outbound Doorbell register.
 307         */
 308 #define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR     0x00000008
 309         /*
 310         ** Set whenever the Outbound Post List Producer/Consumer
 311         ** Register (FIFO) is not empty. It clears when the Outbound
 312         ** Post List FIFO is empty.
 313         */
 314 #define ARCMSR_HBCMU_SAS_ALL_INT                        0x00000010
 315         /*
 316         ** This bit indicates a SAS interrupt from a source external to
 317         ** the PCIe core. This bit is not maskable.
 318         */
 319         /* DoorBell*/
 320 #define ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK                      0x00000002
 321 #define ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK                       0x00000004
 322         /*inbound message 0 ready*/
 323 #define ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE           0x00000008
 324         /*more than 12 request completed in a time*/
 325 #define ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING               0x00000010
 326 #define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK                      0x00000002
 327         /*outbound DATA WRITE isr door bell clear*/
 328 #define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_DOORBELL_CLEAR  0x00000002
 329 #define ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK                       0x00000004
 330         /*outbound DATA READ isr door bell clear*/
 331 #define ARCMSR_HBCMU_IOP2DRV_DATA_READ_DOORBELL_CLEAR   0x00000004
 332         /*outbound message 0 ready*/
 333 #define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE           0x00000008
 334         /*outbound message cmd isr door bell clear*/
 335 #define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR    0x00000008
 336         /*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
 337 #define ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK                        0x80000000
 338 /*
 339 *******************************************************************************
 340 **    ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504)
 341 *******************************************************************************
 342 */
 343 struct ARCMSR_CDB
 344 {
 345         uint8_t                                                 Bus;
 346         uint8_t                                                 TargetID;
 347         uint8_t                                                 LUN;
 348         uint8_t                                                 Function;
 349         uint8_t                                                 CdbLength;
 350         uint8_t                                                 sgcount;
 351         uint8_t                                                 Flags;
 352 #define ARCMSR_CDB_FLAG_SGL_BSIZE          0x01
 353 #define ARCMSR_CDB_FLAG_BIOS               0x02
 354 #define ARCMSR_CDB_FLAG_WRITE              0x04
 355 #define ARCMSR_CDB_FLAG_SIMPLEQ            0x00
 356 #define ARCMSR_CDB_FLAG_HEADQ              0x08
 357 #define ARCMSR_CDB_FLAG_ORDEREDQ           0x10
 358
 359         uint8_t                                                 msgPages;
 360         uint32_t                                                Context;
 361         uint32_t                                                DataLength;
 362         uint8_t                                                 Cdb[16];
 363         uint8_t                                                 DeviceStatus;
 364 #define ARCMSR_DEV_CHECK_CONDITION          0x02
 365 #define ARCMSR_DEV_SELECT_TIMEOUT           0xF0
 366 #define ARCMSR_DEV_ABORTED                  0xF1
 367 #define ARCMSR_DEV_INIT_FAIL                0xF2
 368
 369         uint8_t                                                 SenseData[15];
 370         union
 371         {
 372                 struct SG32ENTRY                sg32entry[1];
 373                 struct SG64ENTRY                sg64entry[1];
 374         } u;
 375 };
 376 /*
 377 *******************************************************************************
 378 **     Messaging Unit (MU) of the Intel R 80331 I/O processor(Type A) and Type B processor
 379 *******************************************************************************
 380 */
 381 struct MessageUnit_A
 382 {
 383         uint32_t        resrved0[4];                    /*0000 000F*/
 384         uint32_t        inbound_msgaddr0;               /*0010 0013*/
 385         uint32_t        inbound_msgaddr1;               /*0014 0017*/
 386         uint32_t        outbound_msgaddr0;              /*0018 001B*/
 387         uint32_t        outbound_msgaddr1;              /*001C 001F*/
 388         uint32_t        inbound_doorbell;               /*0020 0023*/
 389         uint32_t        inbound_intstatus;              /*0024 0027*/
 390         uint32_t        inbound_intmask;                /*0028 002B*/
 391         uint32_t        outbound_doorbell;              /*002C 002F*/
 392         uint32_t        outbound_intstatus;             /*0030 0033*/
 393         uint32_t        outbound_intmask;               /*0034 0037*/
 394         uint32_t        reserved1[2];                   /*0038 003F*/
 395         uint32_t        inbound_queueport;              /*0040 0043*/
 396         uint32_t        outbound_queueport;             /*0044 0047*/
 397         uint32_t        reserved2[2];                   /*0048 004F*/
 398         uint32_t        reserved3[492];                 /*0050 07FF 492*/
 399         uint32_t        reserved4[128];                 /*0800 09FF 128*/
 400         uint32_t        message_rwbuffer[256];          /*0a00 0DFF 256*/
 401         uint32_t        message_wbuffer[32];            /*0E00 0E7F  32*/
 402         uint32_t        reserved5[32];                  /*0E80 0EFF  32*/
 403         uint32_t        message_rbuffer[32];            /*0F00 0F7F  32*/
 404         uint32_t        reserved6[32];                  /*0F80 0FFF  32*/
 405 };
 406
 407 struct MessageUnit_B
 408 {
 409         uint32_t        post_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
 410         uint32_t        done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
 411         uint32_t        postq_index;
 412         uint32_t        doneq_index;
 413         uint32_t                __iomem *drv2iop_doorbell;
 414         uint32_t                __iomem *drv2iop_doorbell_mask;
 415         uint32_t                __iomem *iop2drv_doorbell;
 416         uint32_t                __iomem *iop2drv_doorbell_mask;
 417         uint32_t                __iomem *message_rwbuffer;
 418         uint32_t                __iomem *message_wbuffer;
 419         uint32_t                __iomem *message_rbuffer;
 420 };
 421 /*
 422 *********************************************************************
 423 ** LSI
 424 *********************************************************************
 425 */
 426 struct MessageUnit_C{
 427         uint32_t        message_unit_status;                    /*0000 0003*/
 428         uint32_t        slave_error_attribute;                  /*0004 0007*/
 429         uint32_t        slave_error_address;                    /*0008 000B*/
 430         uint32_t        posted_outbound_doorbell;               /*000C 000F*/
 431         uint32_t        master_error_attribute;                 /*0010 0013*/
 432         uint32_t        master_error_address_low;               /*0014 0017*/
 433         uint32_t        master_error_address_high;              /*0018 001B*/
 434         uint32_t        hcb_size;                               /*001C 001F*/
 435         uint32_t        inbound_doorbell;                       /*0020 0023*/
 436         uint32_t        diagnostic_rw_data;                     /*0024 0027*/
 437         uint32_t        diagnostic_rw_address_low;              /*0028 002B*/
 438         uint32_t        diagnostic_rw_address_high;             /*002C 002F*/
 439         uint32_t        host_int_status;                                /*0030 0033*/
 440         uint32_t        host_int_mask;                          /*0034 0037*/
 441         uint32_t        dcr_data;                               /*0038 003B*/
 442         uint32_t        dcr_address;                            /*003C 003F*/
 443         uint32_t        inbound_queueport;                      /*0040 0043*/
 444         uint32_t        outbound_queueport;                     /*0044 0047*/
 445         uint32_t        hcb_pci_address_low;                    /*0048 004B*/
 446         uint32_t        hcb_pci_address_high;                   /*004C 004F*/
 447         uint32_t        iop_int_status;                         /*0050 0053*/
 448         uint32_t        iop_int_mask;                           /*0054 0057*/
 449         uint32_t        iop_inbound_queue_port;                 /*0058 005B*/
 450         uint32_t        iop_outbound_queue_port;                /*005C 005F*/
 451         uint32_t        inbound_free_list_index;                        /*0060 0063*/
 452         uint32_t        inbound_post_list_index;                        /*0064 0067*/
 453         uint32_t        outbound_free_list_index;                       /*0068 006B*/
 454         uint32_t        outbound_post_list_index;                       /*006C 006F*/
 455         uint32_t        inbound_doorbell_clear;                 /*0070 0073*/
 456         uint32_t        i2o_message_unit_control;                       /*0074 0077*/
 457         uint32_t        last_used_message_source_address_low;   /*0078 007B*/
 458         uint32_t        last_used_message_source_address_high;  /*007C 007F*/
 459         uint32_t        pull_mode_data_byte_count[4];           /*0080 008F*/
 460         uint32_t        message_dest_address_index;             /*0090 0093*/
 461         uint32_t        done_queue_not_empty_int_counter_timer; /*0094 0097*/
 462         uint32_t        utility_A_int_counter_timer;            /*0098 009B*/
 463         uint32_t        outbound_doorbell;                      /*009C 009F*/
 464         uint32_t        outbound_doorbell_clear;                        /*00A0 00A3*/
 465         uint32_t        message_source_address_index;           /*00A4 00A7*/
 466         uint32_t        message_done_queue_index;               /*00A8 00AB*/
 467         uint32_t        reserved0;                              /*00AC 00AF*/
 468         uint32_t        inbound_msgaddr0;                       /*00B0 00B3*/
 469         uint32_t        inbound_msgaddr1;                       /*00B4 00B7*/
 470         uint32_t        outbound_msgaddr0;                      /*00B8 00BB*/
 471         uint32_t        outbound_msgaddr1;                      /*00BC 00BF*/
 472         uint32_t        inbound_queueport_low;                  /*00C0 00C3*/
 473         uint32_t        inbound_queueport_high;                 /*00C4 00C7*/
 474         uint32_t        outbound_queueport_low;                 /*00C8 00CB*/
 475         uint32_t        outbound_queueport_high;                /*00CC 00CF*/
 476         uint32_t        iop_inbound_queue_port_low;             /*00D0 00D3*/
 477         uint32_t        iop_inbound_queue_port_high;            /*00D4 00D7*/
 478         uint32_t        iop_outbound_queue_port_low;            /*00D8 00DB*/
 479         uint32_t        iop_outbound_queue_port_high;           /*00DC 00DF*/
 480         uint32_t        message_dest_queue_port_low;            /*00E0 00E3*/
 481         uint32_t        message_dest_queue_port_high;           /*00E4 00E7*/
 482         uint32_t        last_used_message_dest_address_low;     /*00E8 00EB*/
 483         uint32_t        last_used_message_dest_address_high;    /*00EC 00EF*/
 484         uint32_t        message_done_queue_base_address_low;    /*00F0 00F3*/
 485         uint32_t        message_done_queue_base_address_high;   /*00F4 00F7*/
 486         uint32_t        host_diagnostic;                                /*00F8 00FB*/
 487         uint32_t        write_sequence;                         /*00FC 00FF*/
 488         uint32_t        reserved1[34];                          /*0100 0187*/
 489         uint32_t        reserved2[1950];                                /*0188 1FFF*/
 490         uint32_t        message_wbuffer[32];                    /*2000 207F*/
 491         uint32_t        reserved3[32];                          /*2080 20FF*/
 492         uint32_t        message_rbuffer[32];                    /*2100 217F*/
 493         uint32_t        reserved4[32];                          /*2180 21FF*/
 494         uint32_t        msgcode_rwbuffer[256];                  /*2200 23FF*/
 495 };
 496 /*
 497 *******************************************************************************
 498 **                 Adapter Control Block
 499 *******************************************************************************
 500 */
 501 struct AdapterControlBlock
 502 {
 503         uint32_t  adapter_type;                /* adapter A,B..... */
 504         #define ACB_ADAPTER_TYPE_A            0x00000001        /* hba I IOP */
 505         #define ACB_ADAPTER_TYPE_B            0x00000002        /* hbb M IOP */
 506         #define ACB_ADAPTER_TYPE_C            0x00000004        /* hbc P IOP */
 507         #define ACB_ADAPTER_TYPE_D            0x00000008        /* hbd A IOP */
 508         struct pci_dev *                pdev;
 509         struct Scsi_Host *              host;
 510         unsigned long                   vir2phy_offset;
 511         /* Offset is used in making arc cdb physical to virtual calculations */
 512         uint32_t                        outbound_int_enable;
 513         uint32_t                        cdb_phyaddr_hi32;
 514         uint32_t                        reg_mu_acc_handle0;
 515         spinlock_t                                              eh_lock;
 516         spinlock_t                                              ccblist_lock;
 517         union {
 518                 struct MessageUnit_A __iomem *pmuA;
 519                 struct MessageUnit_B    *pmuB;
 520                 struct MessageUnit_C __iomem *pmuC;
 521         };
 522         /* message unit ATU inbound base address0 */
 523         void __iomem *mem_base0;
 524         void __iomem *mem_base1;
 525         uint32_t                        acb_flags;
 526         u16                     dev_id;
 527         uint8_t                                 adapter_index;
 528         #define ACB_F_SCSISTOPADAPTER           0x0001
 529         #define ACB_F_MSG_STOP_BGRB             0x0002
 530         /* stop RAID background rebuild */
 531         #define ACB_F_MSG_START_BGRB            0x0004
 532         /* stop RAID background rebuild */
 533         #define ACB_F_IOPDATA_OVERFLOW          0x0008
 534         /* iop message data rqbuffer overflow */
 535         #define ACB_F_MESSAGE_WQBUFFER_CLEARED  0x0010
 536         /* message clear wqbuffer */
 537         #define ACB_F_MESSAGE_RQBUFFER_CLEARED  0x0020
 538         /* message clear rqbuffer */
 539         #define ACB_F_MESSAGE_WQBUFFER_READED   0x0040
 540         #define ACB_F_BUS_RESET                 0x0080
 541         #define ACB_F_BUS_HANG_ON               0x0800/* need hardware reset bus */
 542
 543         #define ACB_F_IOP_INITED                0x0100
 544         /* iop init */
 545         #define ACB_F_ABORT                             0x0200
 546         #define ACB_F_FIRMWARE_TRAP                     0x0400
 547         struct CommandControlBlock *                    pccb_pool[ARCMSR_MAX_FREECCB_NUM];
 548         /* used for memory free */
 549         struct list_head                ccb_free_list;
 550         /* head of free ccb list */
 551
 552         atomic_t                        ccboutstandingcount;
 553         /*The present outstanding command number that in the IOP that
 554                                         waiting for being handled by FW*/
 555
 556         void *                          dma_coherent;
 557         /* dma_coherent used for memory free */
 558         dma_addr_t                      dma_coherent_handle;
 559         /* dma_coherent_handle used for memory free */
 560         dma_addr_t                              dma_coherent_handle_hbb_mu;
 561         unsigned int                            uncache_size;
 562         uint8_t                         rqbuffer[ARCMSR_MAX_QBUFFER];
 563         /* data collection buffer for read from 80331 */
 564         int32_t                         rqbuf_firstindex;
 565         /* first of read buffer  */
 566         int32_t                         rqbuf_lastindex;
 567         /* last of read buffer   */
 568         uint8_t                         wqbuffer[ARCMSR_MAX_QBUFFER];
 569         /* data collection buffer for write to 80331  */
 570         int32_t                         wqbuf_firstindex;
 571         /* first of write buffer */
 572         int32_t                         wqbuf_lastindex;
 573         /* last of write buffer  */
 574         uint8_t                         devstate[ARCMSR_MAX_TARGETID][ARCMSR_MAX_TARGETLUN];
 575         /* id0 ..... id15, lun0...lun7 */
 576 #define ARECA_RAID_GONE               0x55
 577 #define ARECA_RAID_GOOD               0xaa
 578         uint32_t                        num_resets;
 579         uint32_t                        num_aborts;
 580         uint32_t                        signature;
 581         uint32_t                        firm_request_len;
 582         uint32_t                        firm_numbers_queue;
 583         uint32_t                        firm_sdram_size;
 584         uint32_t                        firm_hd_channels;
 585         uint32_t                                firm_cfg_version;
 586         char                    firm_model[12];
 587         char                    firm_version[20];
 588         char                    device_map[20];                 /*21,84-99*/
 589         struct work_struct              arcmsr_do_message_isr_bh;
 590         struct timer_list               eternal_timer;
 591         unsigned short          fw_flag;
 592                                 #define FW_NORMAL       0x0000
 593                                 #define FW_BOG          0x0001
 594                                 #define FW_DEADLOCK     0x0010
 595         atomic_t                        rq_map_token;
 596         atomic_t                        ante_token_value;
 597 };/* HW_DEVICE_EXTENSION */
 598 /*
 599 *******************************************************************************
 600 **                   Command Control Block
 601 **             this CCB length must be 32 bytes boundary
 602 *******************************************************************************
 603 */
 604 struct CommandControlBlock{
 605         /*x32:sizeof struct_CCB=(32+60)byte, x64:sizeof struct_CCB=(64+60)byte*/
 606         struct list_head                list;                           /*x32: 8byte, x64: 16byte*/
 607         struct scsi_cmnd                *pcmd;                          /*8 bytes pointer of linux scsi command */
 608         struct AdapterControlBlock      *acb;                           /*x32: 4byte, x64: 8byte*/
 609         uint32_t                        cdb_phyaddr_pattern;            /*x32: 4byte, x64: 4byte*/
 610         uint32_t                        arc_cdb_size;                   /*x32:4byte,x64:4byte*/
 611         uint16_t                        ccb_flags;                      /*x32: 2byte, x64: 2byte*/
 612         #define                 CCB_FLAG_READ                   0x0000
 613         #define                 CCB_FLAG_WRITE          0x0001
 614         #define                 CCB_FLAG_ERROR          0x0002
 615         #define                 CCB_FLAG_FLUSHCACHE             0x0004
 616         #define                 CCB_FLAG_MASTER_ABORTED 0x0008
 617         uint16_t                                startdone;                      /*x32:2byte,x32:2byte*/
 618         #define                 ARCMSR_CCB_DONE                         0x0000
 619         #define                 ARCMSR_CCB_START                0x55AA
 620         #define                 ARCMSR_CCB_ABORTED              0xAA55
 621         #define                 ARCMSR_CCB_ILLEGAL              0xFFFF
 622         #if BITS_PER_LONG == 64
 623         /*  ======================512+64 bytes========================  */
 624                 uint32_t                                reserved[5];            /*24 byte*/
 625         #else
 626         /*  ======================512+32 bytes========================  */
 627                 uint32_t                                reserved;               /*8  byte*/
 628         #endif
 629         /*  =======================================================   */
 630         struct ARCMSR_CDB               arcmsr_cdb;
 631 };
 632 /*
 633 *******************************************************************************
 634 **    ARECA SCSI sense data
 635 *******************************************************************************
 636 */
 637 struct SENSE_DATA
 638 {
 639         uint8_t                         ErrorCode:7;
 640 #define SCSI_SENSE_CURRENT_ERRORS       0x70
 641 #define SCSI_SENSE_DEFERRED_ERRORS      0x71
 642         uint8_t                         Valid:1;
 643         uint8_t                         SegmentNumber;
 644         uint8_t                         SenseKey:4;
 645         uint8_t                         Reserved:1;
 646         uint8_t                         IncorrectLength:1;
 647         uint8_t                         EndOfMedia:1;
 648         uint8_t                         FileMark:1;
 649         uint8_t                         Information[4];
 650         uint8_t                         AdditionalSenseLength;
 651         uint8_t                         CommandSpecificInformation[4];
 652         uint8_t                         AdditionalSenseCode;
 653         uint8_t                         AdditionalSenseCodeQualifier;
 654         uint8_t                         FieldReplaceableUnitCode;
 655         uint8_t                         SenseKeySpecific[3];
 656 };
 657 /*
 658 *******************************************************************************
 659 **  Outbound Interrupt Status Register - OISR
 660 *******************************************************************************
 661 */
 662 #define     ARCMSR_MU_OUTBOUND_INTERRUPT_STATUS_REG                 0x30
 663 #define     ARCMSR_MU_OUTBOUND_PCI_INT                              0x10
 664 #define     ARCMSR_MU_OUTBOUND_POSTQUEUE_INT                        0x08
 665 #define     ARCMSR_MU_OUTBOUND_DOORBELL_INT                         0x04
 666 #define     ARCMSR_MU_OUTBOUND_MESSAGE1_INT                         0x02
 667 #define     ARCMSR_MU_OUTBOUND_MESSAGE0_INT                         0x01
 668 #define     ARCMSR_MU_OUTBOUND_HANDLE_INT                 \
 669                     (ARCMSR_MU_OUTBOUND_MESSAGE0_INT      \
 670                      |ARCMSR_MU_OUTBOUND_MESSAGE1_INT     \
 671                      |ARCMSR_MU_OUTBOUND_DOORBELL_INT     \
 672                      |ARCMSR_MU_OUTBOUND_POSTQUEUE_INT    \
 673                      |ARCMSR_MU_OUTBOUND_PCI_INT)
 674 /*
 675 *******************************************************************************
 676 **  Outbound Interrupt Mask Register - OIMR
 677 *******************************************************************************
 678 */
 679 #define     ARCMSR_MU_OUTBOUND_INTERRUPT_MASK_REG                   0x34
 680 #define     ARCMSR_MU_OUTBOUND_PCI_INTMASKENABLE                    0x10
 681 #define     ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE              0x08
 682 #define     ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE               0x04
 683 #define     ARCMSR_MU_OUTBOUND_MESSAGE1_INTMASKENABLE               0x02
 684 #define     ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE               0x01
 685 #define     ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE                    0x1F
 686
 687 extern void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *);
 688 extern void arcmsr_iop_message_read(struct AdapterControlBlock *);
 689 extern struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *);
 690 extern struct device_attribute *arcmsr_host_attrs[];
 691 extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *);
 692 void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb);