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 #ifdef CONFIG_XEN
  49         #define ARCMSR_MAX_FREECCB_NUM  160
  50 #define ARCMSR_MAX_OUTSTANDING_CMD      155
  51 #else
  52         #define ARCMSR_MAX_FREECCB_NUM  320
  53 #define ARCMSR_MAX_OUTSTANDING_CMD      255
  54 #endif
  55 #define ARCMSR_DRIVER_VERSION           "v1.30.00.04-20140919"
  56 #define ARCMSR_SCSI_INITIATOR_ID                                                255
  57 #define ARCMSR_MAX_XFER_SECTORS                                                 512
  58 #define ARCMSR_MAX_XFER_SECTORS_B                                               4096
  59 #define ARCMSR_MAX_XFER_SECTORS_C                                               304
  60 #define ARCMSR_MAX_TARGETID                                                     17
  61 #define ARCMSR_MAX_TARGETLUN                                                    8
  62 #define ARCMSR_MAX_CMD_PERLUN                            ARCMSR_MAX_OUTSTANDING_CMD
  63 #define ARCMSR_MAX_QBUFFER                                                      4096
  64 #define ARCMSR_DEFAULT_SG_ENTRIES                                               38
  65 #define ARCMSR_MAX_HBB_POSTQUEUE                                                264
  66 #define ARCMSR_MAX_ARC1214_POSTQUEUE    256
  67 #define ARCMSR_MAX_ARC1214_DONEQUEUE    257
  68 #define ARCMSR_MAX_XFER_LEN                                                     0x26000 /* 152K */
  69 #define ARCMSR_CDB_SG_PAGE_LENGTH                                               256
  70 #define ARCMST_NUM_MSIX_VECTORS         4
  71 #ifndef PCI_DEVICE_ID_ARECA_1880
  72 #define PCI_DEVICE_ID_ARECA_1880 0x1880
  73  #endif
  74 #ifndef PCI_DEVICE_ID_ARECA_1214
  75         #define PCI_DEVICE_ID_ARECA_1214        0x1214
  76 #endif
  77 /*
  78 **********************************************************************************
  79 **
  80 **********************************************************************************
  81 */
  82 #define ARC_SUCCESS                                                       0
  83 #define ARC_FAILURE                                                       1
  84 /*
  85 *******************************************************************************
  86 **        split 64bits dma addressing
  87 *******************************************************************************
  88 */
  89 #define dma_addr_hi32(addr)               (uint32_t) ((addr>>16)>>16)
  90 #define dma_addr_lo32(addr)               (uint32_t) (addr & 0xffffffff)
  91 /*
  92 *******************************************************************************
  93 **        MESSAGE CONTROL CODE
  94 *******************************************************************************
  95 */
  96 struct CMD_MESSAGE
  97 {
  98       uint32_t HeaderLength;
  99       uint8_t  Signature[8];
 100       uint32_t Timeout;
 101       uint32_t ControlCode;
 102       uint32_t ReturnCode;
 103       uint32_t Length;
 104 };
 105 /*
 106 *******************************************************************************
 107 **        IOP Message Transfer Data for user space
 108 *******************************************************************************
 109 */
 110 #define ARCMSR_API_DATA_BUFLEN  1032
 111 struct CMD_MESSAGE_FIELD
 112 {
 113     struct CMD_MESSAGE                  cmdmessage;
 114     uint8_t                             messagedatabuffer[ARCMSR_API_DATA_BUFLEN];
 115 };
 116 /* IOP message transfer */
 117 #define ARCMSR_MESSAGE_FAIL                     0x0001
 118 /* DeviceType */
 119 #define ARECA_SATA_RAID                         0x90000000
 120 /* FunctionCode */
 121 #define FUNCTION_READ_RQBUFFER                  0x0801
 122 #define FUNCTION_WRITE_WQBUFFER                 0x0802
 123 #define FUNCTION_CLEAR_RQBUFFER                 0x0803
 124 #define FUNCTION_CLEAR_WQBUFFER                 0x0804
 125 #define FUNCTION_CLEAR_ALLQBUFFER               0x0805
 126 #define FUNCTION_RETURN_CODE_3F                 0x0806
 127 #define FUNCTION_SAY_HELLO                      0x0807
 128 #define FUNCTION_SAY_GOODBYE                    0x0808
 129 #define FUNCTION_FLUSH_ADAPTER_CACHE            0x0809
 130 #define FUNCTION_GET_FIRMWARE_STATUS                    0x080A
 131 #define FUNCTION_HARDWARE_RESET                 0x080B
 132 /* ARECA IO CONTROL CODE*/
 133 #define ARCMSR_MESSAGE_READ_RQBUFFER       \
 134         ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER
 135 #define ARCMSR_MESSAGE_WRITE_WQBUFFER      \
 136         ARECA_SATA_RAID | FUNCTION_WRITE_WQBUFFER
 137 #define ARCMSR_MESSAGE_CLEAR_RQBUFFER      \
 138         ARECA_SATA_RAID | FUNCTION_CLEAR_RQBUFFER
 139 #define ARCMSR_MESSAGE_CLEAR_WQBUFFER      \
 140         ARECA_SATA_RAID | FUNCTION_CLEAR_WQBUFFER
 141 #define ARCMSR_MESSAGE_CLEAR_ALLQBUFFER    \
 142         ARECA_SATA_RAID | FUNCTION_CLEAR_ALLQBUFFER
 143 #define ARCMSR_MESSAGE_RETURN_CODE_3F      \
 144         ARECA_SATA_RAID | FUNCTION_RETURN_CODE_3F
 145 #define ARCMSR_MESSAGE_SAY_HELLO           \
 146         ARECA_SATA_RAID | FUNCTION_SAY_HELLO
 147 #define ARCMSR_MESSAGE_SAY_GOODBYE         \
 148         ARECA_SATA_RAID | FUNCTION_SAY_GOODBYE
 149 #define ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE \
 150         ARECA_SATA_RAID | FUNCTION_FLUSH_ADAPTER_CACHE
 151 /* ARECA IOCTL ReturnCode */
 152 #define ARCMSR_MESSAGE_RETURNCODE_OK            0x00000001
 153 #define ARCMSR_MESSAGE_RETURNCODE_ERROR         0x00000006
 154 #define ARCMSR_MESSAGE_RETURNCODE_3F            0x0000003F
 155 #define ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON   0x00000088
 156 /*
 157 *************************************************************
 158 **   structure for holding DMA address data
 159 *************************************************************
 160 */
 161 #define IS_DMA64                        (sizeof(dma_addr_t) == 8)
 162 #define IS_SG64_ADDR                0x01000000 /* bit24 */
 163 struct  SG32ENTRY
 164 {
 165         __le32                                  length;
 166         __le32                                  address;
 167 }__attribute__ ((packed));
 168 struct  SG64ENTRY
 169 {
 170         __le32                                  length;
 171         __le32                                  address;
 172         __le32                                  addresshigh;
 173 }__attribute__ ((packed));
 174 /*
 175 ********************************************************************
 176 **      Q Buffer of IOP Message Transfer
 177 ********************************************************************
 178 */
 179 struct QBUFFER
 180 {
 181         uint32_t      data_len;
 182         uint8_t       data[124];
 183 };
 184 /*
 185 *******************************************************************************
 186 **      FIRMWARE INFO for Intel IOP R 80331 processor (Type A)
 187 *******************************************************************************
 188 */
 189 struct FIRMWARE_INFO
 190 {
 191         uint32_t      signature;                /*0, 00-03*/
 192         uint32_t      request_len;              /*1, 04-07*/
 193         uint32_t      numbers_queue;            /*2, 08-11*/
 194         uint32_t      sdram_size;               /*3, 12-15*/
 195         uint32_t      ide_channels;             /*4, 16-19*/
 196         char          vendor[40];               /*5, 20-59*/
 197         char          model[8];                 /*15, 60-67*/
 198         char          firmware_ver[16];         /*17, 68-83*/
 199         char          device_map[16];           /*21, 84-99*/
 200         uint32_t                cfgVersion;                     /*25,100-103 Added for checking of new firmware capability*/
 201         uint8_t         cfgSerial[16];                  /*26,104-119*/
 202         uint32_t                cfgPicStatus;                   /*30,120-123*/
 203 };
 204 /* signature of set and get firmware config */
 205 #define ARCMSR_SIGNATURE_GET_CONFIG                   0x87974060
 206 #define ARCMSR_SIGNATURE_SET_CONFIG                   0x87974063
 207 /* message code of inbound message register */
 208 #define ARCMSR_INBOUND_MESG0_NOP                      0x00000000
 209 #define ARCMSR_INBOUND_MESG0_GET_CONFIG               0x00000001
 210 #define ARCMSR_INBOUND_MESG0_SET_CONFIG               0x00000002
 211 #define ARCMSR_INBOUND_MESG0_ABORT_CMD                0x00000003
 212 #define ARCMSR_INBOUND_MESG0_STOP_BGRB                0x00000004
 213 #define ARCMSR_INBOUND_MESG0_FLUSH_CACHE              0x00000005
 214 #define ARCMSR_INBOUND_MESG0_START_BGRB               0x00000006
 215 #define ARCMSR_INBOUND_MESG0_CHK331PENDING            0x00000007
 216 #define ARCMSR_INBOUND_MESG0_SYNC_TIMER               0x00000008
 217 /* doorbell interrupt generator */
 218 #define ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK           0x00000001
 219 #define ARCMSR_INBOUND_DRIVER_DATA_READ_OK            0x00000002
 220 #define ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK          0x00000001
 221 #define ARCMSR_OUTBOUND_IOP331_DATA_READ_OK           0x00000002
 222 /* ccb areca cdb flag */
 223 #define ARCMSR_CCBPOST_FLAG_SGL_BSIZE                 0x80000000
 224 #define ARCMSR_CCBPOST_FLAG_IAM_BIOS                  0x40000000
 225 #define ARCMSR_CCBREPLY_FLAG_IAM_BIOS                 0x40000000
 226 #define ARCMSR_CCBREPLY_FLAG_ERROR_MODE0              0x10000000
 227 #define ARCMSR_CCBREPLY_FLAG_ERROR_MODE1              0x00000001
 228 /* outbound firmware ok */
 229 #define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK             0x80000000
 230 /* ARC-1680 Bus Reset*/
 231 #define ARCMSR_ARC1680_BUS_RESET                                0x00000003
 232 /* ARC-1880 Bus Reset*/
 233 #define ARCMSR_ARC1880_RESET_ADAPTER                            0x00000024
 234 #define ARCMSR_ARC1880_DiagWrite_ENABLE                 0x00000080
 235
 236 /*
 237 ************************************************************************
 238 **                SPEC. for Areca Type B adapter
 239 ************************************************************************
 240 */
 241 /* ARECA HBB COMMAND for its FIRMWARE */
 242 /* window of "instruction flags" from driver to iop */
 243 #define ARCMSR_DRV2IOP_DOORBELL                       0x00020400
 244 #define ARCMSR_DRV2IOP_DOORBELL_MASK                  0x00020404
 245 /* window of "instruction flags" from iop to driver */
 246 #define ARCMSR_IOP2DRV_DOORBELL                       0x00020408
 247 #define ARCMSR_IOP2DRV_DOORBELL_MASK                  0x0002040C
 248 /* ARECA FLAG LANGUAGE */
 249 /* ioctl transfer */
 250 #define ARCMSR_IOP2DRV_DATA_WRITE_OK                  0x00000001
 251 /* ioctl transfer */
 252 #define ARCMSR_IOP2DRV_DATA_READ_OK                   0x00000002
 253 #define ARCMSR_IOP2DRV_CDB_DONE                       0x00000004
 254 #define ARCMSR_IOP2DRV_MESSAGE_CMD_DONE               0x00000008
 255
 256 #define ARCMSR_DOORBELL_HANDLE_INT                    0x0000000F
 257 #define ARCMSR_DOORBELL_INT_CLEAR_PATTERN             0xFF00FFF0
 258 #define ARCMSR_MESSAGE_INT_CLEAR_PATTERN              0xFF00FFF7
 259 /* (ARCMSR_INBOUND_MESG0_GET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
 260 #define ARCMSR_MESSAGE_GET_CONFIG                     0x00010008
 261 /* (ARCMSR_INBOUND_MESG0_SET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
 262 #define ARCMSR_MESSAGE_SET_CONFIG                     0x00020008
 263 /* (ARCMSR_INBOUND_MESG0_ABORT_CMD<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
 264 #define ARCMSR_MESSAGE_ABORT_CMD                      0x00030008
 265 /* (ARCMSR_INBOUND_MESG0_STOP_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
 266 #define ARCMSR_MESSAGE_STOP_BGRB                      0x00040008
 267 /* (ARCMSR_INBOUND_MESG0_FLUSH_CACHE<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
 268 #define ARCMSR_MESSAGE_FLUSH_CACHE                    0x00050008
 269 /* (ARCMSR_INBOUND_MESG0_START_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
 270 #define ARCMSR_MESSAGE_START_BGRB                     0x00060008
 271 #define ARCMSR_MESSAGE_START_DRIVER_MODE              0x000E0008
 272 #define ARCMSR_MESSAGE_SET_POST_WINDOW                0x000F0008
 273 #define ARCMSR_MESSAGE_ACTIVE_EOI_MODE              0x00100008
 274 /* ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK */
 275 #define ARCMSR_MESSAGE_FIRMWARE_OK                    0x80000000
 276 /* ioctl transfer */
 277 #define ARCMSR_DRV2IOP_DATA_WRITE_OK                  0x00000001
 278 /* ioctl transfer */
 279 #define ARCMSR_DRV2IOP_DATA_READ_OK                   0x00000002
 280 #define ARCMSR_DRV2IOP_CDB_POSTED                     0x00000004
 281 #define ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED             0x00000008
 282 #define ARCMSR_DRV2IOP_END_OF_INTERRUPT         0x00000010
 283
 284 /* data tunnel buffer between user space program and its firmware */
 285 /* user space data to iop 128bytes */
 286 #define ARCMSR_MESSAGE_WBUFFER                        0x0000fe00
 287 /* iop data to user space 128bytes */
 288 #define ARCMSR_MESSAGE_RBUFFER                        0x0000ff00
 289 /* iop message_rwbuffer for message command */
 290 #define ARCMSR_MESSAGE_RWBUFFER                       0x0000fa00
 291 /*
 292 ************************************************************************
 293 **                SPEC. for Areca HBC adapter
 294 ************************************************************************
 295 */
 296 #define ARCMSR_HBC_ISR_THROTTLING_LEVEL         12
 297 #define ARCMSR_HBC_ISR_MAX_DONE_QUEUE           20
 298 /* Host Interrupt Mask */
 299 #define ARCMSR_HBCMU_UTILITY_A_ISR_MASK         0x00000001 /* When clear, the Utility_A interrupt routes to the host.*/
 300 #define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK 0x00000004 /* When clear, the General Outbound Doorbell interrupt routes to the host.*/
 301 #define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK        0x00000008 /* When clear, the Outbound Post List FIFO Not Empty interrupt routes to the host.*/
 302 #define ARCMSR_HBCMU_ALL_INTMASKENABLE          0x0000000D /* disable all ISR */
 303 /* Host Interrupt Status */
 304 #define ARCMSR_HBCMU_UTILITY_A_ISR                      0x00000001
 305         /*
 306         ** Set when the Utility_A Interrupt bit is set in the Outbound Doorbell Register.
 307         ** It clears by writing a 1 to the Utility_A bit in the Outbound Doorbell Clear Register or through automatic clearing (if enabled).
 308         */
 309 #define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR              0x00000004
 310         /*
 311         ** Set if Outbound Doorbell register bits 30:1 have a non-zero
 312         ** value. This bit clears only when Outbound Doorbell bits
 313         ** 30:1 are ALL clear. Only a write to the Outbound Doorbell
 314         ** Clear register clears bits in the Outbound Doorbell register.
 315         */
 316 #define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR     0x00000008
 317         /*
 318         ** Set whenever the Outbound Post List Producer/Consumer
 319         ** Register (FIFO) is not empty. It clears when the Outbound
 320         ** Post List FIFO is empty.
 321         */
 322 #define ARCMSR_HBCMU_SAS_ALL_INT                        0x00000010
 323         /*
 324         ** This bit indicates a SAS interrupt from a source external to
 325         ** the PCIe core. This bit is not maskable.
 326         */
 327         /* DoorBell*/
 328 #define ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK                      0x00000002
 329 #define ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK                       0x00000004
 330         /*inbound message 0 ready*/
 331 #define ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE           0x00000008
 332         /*more than 12 request completed in a time*/
 333 #define ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING               0x00000010
 334 #define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK                      0x00000002
 335         /*outbound DATA WRITE isr door bell clear*/
 336 #define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_DOORBELL_CLEAR  0x00000002
 337 #define ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK                       0x00000004
 338         /*outbound DATA READ isr door bell clear*/
 339 #define ARCMSR_HBCMU_IOP2DRV_DATA_READ_DOORBELL_CLEAR   0x00000004
 340         /*outbound message 0 ready*/
 341 #define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE           0x00000008
 342         /*outbound message cmd isr door bell clear*/
 343 #define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR    0x00000008
 344         /*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
 345 #define ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK                        0x80000000
 346 /*
 347 *******************************************************************************
 348 **                SPEC. for Areca Type D adapter
 349 *******************************************************************************
 350 */
 351 #define ARCMSR_ARC1214_CHIP_ID                          0x00004
 352 #define ARCMSR_ARC1214_CPU_MEMORY_CONFIGURATION         0x00008
 353 #define ARCMSR_ARC1214_I2_HOST_INTERRUPT_MASK           0x00034
 354 #define ARCMSR_ARC1214_SAMPLE_RESET                     0x00100
 355 #define ARCMSR_ARC1214_RESET_REQUEST                    0x00108
 356 #define ARCMSR_ARC1214_MAIN_INTERRUPT_STATUS            0x00200
 357 #define ARCMSR_ARC1214_PCIE_F0_INTERRUPT_ENABLE         0x0020C
 358 #define ARCMSR_ARC1214_INBOUND_MESSAGE0                 0x00400
 359 #define ARCMSR_ARC1214_INBOUND_MESSAGE1                 0x00404
 360 #define ARCMSR_ARC1214_OUTBOUND_MESSAGE0                0x00420
 361 #define ARCMSR_ARC1214_OUTBOUND_MESSAGE1                0x00424
 362 #define ARCMSR_ARC1214_INBOUND_DOORBELL                 0x00460
 363 #define ARCMSR_ARC1214_OUTBOUND_DOORBELL                0x00480
 364 #define ARCMSR_ARC1214_OUTBOUND_DOORBELL_ENABLE         0x00484
 365 #define ARCMSR_ARC1214_INBOUND_LIST_BASE_LOW            0x01000
 366 #define ARCMSR_ARC1214_INBOUND_LIST_BASE_HIGH           0x01004
 367 #define ARCMSR_ARC1214_INBOUND_LIST_WRITE_POINTER       0x01018
 368 #define ARCMSR_ARC1214_OUTBOUND_LIST_BASE_LOW           0x01060
 369 #define ARCMSR_ARC1214_OUTBOUND_LIST_BASE_HIGH          0x01064
 370 #define ARCMSR_ARC1214_OUTBOUND_LIST_COPY_POINTER       0x0106C
 371 #define ARCMSR_ARC1214_OUTBOUND_LIST_READ_POINTER       0x01070
 372 #define ARCMSR_ARC1214_OUTBOUND_INTERRUPT_CAUSE         0x01088
 373 #define ARCMSR_ARC1214_OUTBOUND_INTERRUPT_ENABLE        0x0108C
 374 #define ARCMSR_ARC1214_MESSAGE_WBUFFER                  0x02000
 375 #define ARCMSR_ARC1214_MESSAGE_RBUFFER                  0x02100
 376 #define ARCMSR_ARC1214_MESSAGE_RWBUFFER                 0x02200
 377 /* Host Interrupt Mask */
 378 #define ARCMSR_ARC1214_ALL_INT_ENABLE                   0x00001010
 379 #define ARCMSR_ARC1214_ALL_INT_DISABLE                  0x00000000
 380 /* Host Interrupt Status */
 381 #define ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR            0x00001000
 382 #define ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR           0x00000010
 383 /* DoorBell*/
 384 #define ARCMSR_ARC1214_DRV2IOP_DATA_IN_READY            0x00000001
 385 #define ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ            0x00000002
 386 /*inbound message 0 ready*/
 387 #define ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK            0x00000001
 388 /*outbound DATA WRITE isr door bell clear*/
 389 #define ARCMSR_ARC1214_IOP2DRV_DATA_READ_OK             0x00000002
 390 /*outbound message 0 ready*/
 391 #define ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE         0x02000000
 392 /*outbound message cmd isr door bell clear*/
 393 /*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
 394 #define ARCMSR_ARC1214_MESSAGE_FIRMWARE_OK              0x80000000
 395 #define ARCMSR_ARC1214_OUTBOUND_LIST_INTERRUPT_CLEAR    0x00000001
 396 /*
 397 *******************************************************************************
 398 **    ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504)
 399 *******************************************************************************
 400 */
 401 struct ARCMSR_CDB
 402 {
 403         uint8_t                                                 Bus;
 404         uint8_t                                                 TargetID;
 405         uint8_t                                                 LUN;
 406         uint8_t                                                 Function;
 407         uint8_t                                                 CdbLength;
 408         uint8_t                                                 sgcount;
 409         uint8_t                                                 Flags;
 410 #define ARCMSR_CDB_FLAG_SGL_BSIZE          0x01
 411 #define ARCMSR_CDB_FLAG_BIOS               0x02
 412 #define ARCMSR_CDB_FLAG_WRITE              0x04
 413 #define ARCMSR_CDB_FLAG_SIMPLEQ            0x00
 414 #define ARCMSR_CDB_FLAG_HEADQ              0x08
 415 #define ARCMSR_CDB_FLAG_ORDEREDQ           0x10
 416
 417         uint8_t                                                 msgPages;
 418         uint32_t                                                msgContext;
 419         uint32_t                                                DataLength;
 420         uint8_t                                                 Cdb[16];
 421         uint8_t                                                 DeviceStatus;
 422 #define ARCMSR_DEV_CHECK_CONDITION          0x02
 423 #define ARCMSR_DEV_SELECT_TIMEOUT           0xF0
 424 #define ARCMSR_DEV_ABORTED                  0xF1
 425 #define ARCMSR_DEV_INIT_FAIL                0xF2
 426
 427         uint8_t                                                 SenseData[15];
 428         union
 429         {
 430                 struct SG32ENTRY                sg32entry[1];
 431                 struct SG64ENTRY                sg64entry[1];
 432         } u;
 433 };
 434 /*
 435 *******************************************************************************
 436 **     Messaging Unit (MU) of the Intel R 80331 I/O processor(Type A) and Type B processor
 437 *******************************************************************************
 438 */
 439 struct MessageUnit_A
 440 {
 441         uint32_t        resrved0[4];                    /*0000 000F*/
 442         uint32_t        inbound_msgaddr0;               /*0010 0013*/
 443         uint32_t        inbound_msgaddr1;               /*0014 0017*/
 444         uint32_t        outbound_msgaddr0;              /*0018 001B*/
 445         uint32_t        outbound_msgaddr1;              /*001C 001F*/
 446         uint32_t        inbound_doorbell;               /*0020 0023*/
 447         uint32_t        inbound_intstatus;              /*0024 0027*/
 448         uint32_t        inbound_intmask;                /*0028 002B*/
 449         uint32_t        outbound_doorbell;              /*002C 002F*/
 450         uint32_t        outbound_intstatus;             /*0030 0033*/
 451         uint32_t        outbound_intmask;               /*0034 0037*/
 452         uint32_t        reserved1[2];                   /*0038 003F*/
 453         uint32_t        inbound_queueport;              /*0040 0043*/
 454         uint32_t        outbound_queueport;             /*0044 0047*/
 455         uint32_t        reserved2[2];                   /*0048 004F*/
 456         uint32_t        reserved3[492];                 /*0050 07FF 492*/
 457         uint32_t        reserved4[128];                 /*0800 09FF 128*/
 458         uint32_t        message_rwbuffer[256];          /*0a00 0DFF 256*/
 459         uint32_t        message_wbuffer[32];            /*0E00 0E7F  32*/
 460         uint32_t        reserved5[32];                  /*0E80 0EFF  32*/
 461         uint32_t        message_rbuffer[32];            /*0F00 0F7F  32*/
 462         uint32_t        reserved6[32];                  /*0F80 0FFF  32*/
 463 };
 464
 465 struct MessageUnit_B
 466 {
 467         uint32_t        post_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
 468         uint32_t        done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
 469         uint32_t        postq_index;
 470         uint32_t        doneq_index;
 471         uint32_t                __iomem *drv2iop_doorbell;
 472         uint32_t                __iomem *drv2iop_doorbell_mask;
 473         uint32_t                __iomem *iop2drv_doorbell;
 474         uint32_t                __iomem *iop2drv_doorbell_mask;
 475         uint32_t                __iomem *message_rwbuffer;
 476         uint32_t                __iomem *message_wbuffer;
 477         uint32_t                __iomem *message_rbuffer;
 478 };
 479 /*
 480 *********************************************************************
 481 ** LSI
 482 *********************************************************************
 483 */
 484 struct MessageUnit_C{
 485         uint32_t        message_unit_status;                    /*0000 0003*/
 486         uint32_t        slave_error_attribute;                  /*0004 0007*/
 487         uint32_t        slave_error_address;                    /*0008 000B*/
 488         uint32_t        posted_outbound_doorbell;               /*000C 000F*/
 489         uint32_t        master_error_attribute;                 /*0010 0013*/
 490         uint32_t        master_error_address_low;               /*0014 0017*/
 491         uint32_t        master_error_address_high;              /*0018 001B*/
 492         uint32_t        hcb_size;                               /*001C 001F*/
 493         uint32_t        inbound_doorbell;                       /*0020 0023*/
 494         uint32_t        diagnostic_rw_data;                     /*0024 0027*/
 495         uint32_t        diagnostic_rw_address_low;              /*0028 002B*/
 496         uint32_t        diagnostic_rw_address_high;             /*002C 002F*/
 497         uint32_t        host_int_status;                                /*0030 0033*/
 498         uint32_t        host_int_mask;                          /*0034 0037*/
 499         uint32_t        dcr_data;                               /*0038 003B*/
 500         uint32_t        dcr_address;                            /*003C 003F*/
 501         uint32_t        inbound_queueport;                      /*0040 0043*/
 502         uint32_t        outbound_queueport;                     /*0044 0047*/
 503         uint32_t        hcb_pci_address_low;                    /*0048 004B*/
 504         uint32_t        hcb_pci_address_high;                   /*004C 004F*/
 505         uint32_t        iop_int_status;                         /*0050 0053*/
 506         uint32_t        iop_int_mask;                           /*0054 0057*/
 507         uint32_t        iop_inbound_queue_port;                 /*0058 005B*/
 508         uint32_t        iop_outbound_queue_port;                /*005C 005F*/
 509         uint32_t        inbound_free_list_index;                        /*0060 0063*/
 510         uint32_t        inbound_post_list_index;                        /*0064 0067*/
 511         uint32_t        outbound_free_list_index;                       /*0068 006B*/
 512         uint32_t        outbound_post_list_index;                       /*006C 006F*/
 513         uint32_t        inbound_doorbell_clear;                 /*0070 0073*/
 514         uint32_t        i2o_message_unit_control;                       /*0074 0077*/
 515         uint32_t        last_used_message_source_address_low;   /*0078 007B*/
 516         uint32_t        last_used_message_source_address_high;  /*007C 007F*/
 517         uint32_t        pull_mode_data_byte_count[4];           /*0080 008F*/
 518         uint32_t        message_dest_address_index;             /*0090 0093*/
 519         uint32_t        done_queue_not_empty_int_counter_timer; /*0094 0097*/
 520         uint32_t        utility_A_int_counter_timer;            /*0098 009B*/
 521         uint32_t        outbound_doorbell;                      /*009C 009F*/
 522         uint32_t        outbound_doorbell_clear;                        /*00A0 00A3*/
 523         uint32_t        message_source_address_index;           /*00A4 00A7*/
 524         uint32_t        message_done_queue_index;               /*00A8 00AB*/
 525         uint32_t        reserved0;                              /*00AC 00AF*/
 526         uint32_t        inbound_msgaddr0;                       /*00B0 00B3*/
 527         uint32_t        inbound_msgaddr1;                       /*00B4 00B7*/
 528         uint32_t        outbound_msgaddr0;                      /*00B8 00BB*/
 529         uint32_t        outbound_msgaddr1;                      /*00BC 00BF*/
 530         uint32_t        inbound_queueport_low;                  /*00C0 00C3*/
 531         uint32_t        inbound_queueport_high;                 /*00C4 00C7*/
 532         uint32_t        outbound_queueport_low;                 /*00C8 00CB*/
 533         uint32_t        outbound_queueport_high;                /*00CC 00CF*/
 534         uint32_t        iop_inbound_queue_port_low;             /*00D0 00D3*/
 535         uint32_t        iop_inbound_queue_port_high;            /*00D4 00D7*/
 536         uint32_t        iop_outbound_queue_port_low;            /*00D8 00DB*/
 537         uint32_t        iop_outbound_queue_port_high;           /*00DC 00DF*/
 538         uint32_t        message_dest_queue_port_low;            /*00E0 00E3*/
 539         uint32_t        message_dest_queue_port_high;           /*00E4 00E7*/
 540         uint32_t        last_used_message_dest_address_low;     /*00E8 00EB*/
 541         uint32_t        last_used_message_dest_address_high;    /*00EC 00EF*/
 542         uint32_t        message_done_queue_base_address_low;    /*00F0 00F3*/
 543         uint32_t        message_done_queue_base_address_high;   /*00F4 00F7*/
 544         uint32_t        host_diagnostic;                                /*00F8 00FB*/
 545         uint32_t        write_sequence;                         /*00FC 00FF*/
 546         uint32_t        reserved1[34];                          /*0100 0187*/
 547         uint32_t        reserved2[1950];                                /*0188 1FFF*/
 548         uint32_t        message_wbuffer[32];                    /*2000 207F*/
 549         uint32_t        reserved3[32];                          /*2080 20FF*/
 550         uint32_t        message_rbuffer[32];                    /*2100 217F*/
 551         uint32_t        reserved4[32];                          /*2180 21FF*/
 552         uint32_t        msgcode_rwbuffer[256];                  /*2200 23FF*/
 553 };
 554 /*
 555 *********************************************************************
 556 **     Messaging Unit (MU) of Type D processor
 557 *********************************************************************
 558 */
 559 struct InBound_SRB {
 560         uint32_t addressLow; /* pointer to SRB block */
 561         uint32_t addressHigh;
 562         uint32_t length; /* in DWORDs */
 563         uint32_t reserved0;
 564 };
 565
 566 struct OutBound_SRB {
 567         uint32_t addressLow; /* pointer to SRB block */
 568         uint32_t addressHigh;
 569 };
 570
 571 struct MessageUnit_D {
 572         struct InBound_SRB      post_qbuffer[ARCMSR_MAX_ARC1214_POSTQUEUE];
 573         volatile struct OutBound_SRB
 574                                 done_qbuffer[ARCMSR_MAX_ARC1214_DONEQUEUE];
 575         u16 postq_index;
 576         volatile u16 doneq_index;
 577         u32 __iomem *chip_id;                   /* 0x00004 */
 578         u32 __iomem *cpu_mem_config;            /* 0x00008 */
 579         u32 __iomem *i2o_host_interrupt_mask;   /* 0x00034 */
 580         u32 __iomem *sample_at_reset;           /* 0x00100 */
 581         u32 __iomem *reset_request;             /* 0x00108 */
 582         u32 __iomem *host_int_status;           /* 0x00200 */
 583         u32 __iomem *pcief0_int_enable;         /* 0x0020C */
 584         u32 __iomem *inbound_msgaddr0;          /* 0x00400 */
 585         u32 __iomem *inbound_msgaddr1;          /* 0x00404 */
 586         u32 __iomem *outbound_msgaddr0;         /* 0x00420 */
 587         u32 __iomem *outbound_msgaddr1;         /* 0x00424 */
 588         u32 __iomem *inbound_doorbell;          /* 0x00460 */
 589         u32 __iomem *outbound_doorbell;         /* 0x00480 */
 590         u32 __iomem *outbound_doorbell_enable;  /* 0x00484 */
 591         u32 __iomem *inboundlist_base_low;      /* 0x01000 */
 592         u32 __iomem *inboundlist_base_high;     /* 0x01004 */
 593         u32 __iomem *inboundlist_write_pointer; /* 0x01018 */
 594         u32 __iomem *outboundlist_base_low;     /* 0x01060 */
 595         u32 __iomem *outboundlist_base_high;    /* 0x01064 */
 596         u32 __iomem *outboundlist_copy_pointer; /* 0x0106C */
 597         u32 __iomem *outboundlist_read_pointer; /* 0x01070 0x01072 */
 598         u32 __iomem *outboundlist_interrupt_cause;      /* 0x1088 */
 599         u32 __iomem *outboundlist_interrupt_enable;     /* 0x108C */
 600         u32 __iomem *message_wbuffer;           /* 0x2000 */
 601         u32 __iomem *message_rbuffer;           /* 0x2100 */
 602         u32 __iomem *msgcode_rwbuffer;          /* 0x2200 */
 603 };
 604 /*
 605 *******************************************************************************
 606 **                 Adapter Control Block
 607 *******************************************************************************
 608 */
 609 struct AdapterControlBlock
 610 {
 611         uint32_t  adapter_type;                /* adapter A,B..... */
 612         #define ACB_ADAPTER_TYPE_A            0x00000001        /* hba I IOP */
 613         #define ACB_ADAPTER_TYPE_B            0x00000002        /* hbb M IOP */
 614         #define ACB_ADAPTER_TYPE_C            0x00000004        /* hbc P IOP */
 615         #define ACB_ADAPTER_TYPE_D            0x00000008        /* hbd A IOP */
 616         u32                             roundup_ccbsize;
 617         struct pci_dev *                pdev;
 618         struct Scsi_Host *              host;
 619         unsigned long                   vir2phy_offset;
 620         struct msix_entry       entries[ARCMST_NUM_MSIX_VECTORS];
 621         /* Offset is used in making arc cdb physical to virtual calculations */
 622         uint32_t                        outbound_int_enable;
 623         uint32_t                        cdb_phyaddr_hi32;
 624         uint32_t                        reg_mu_acc_handle0;
 625         spinlock_t                                              eh_lock;
 626         spinlock_t                                              ccblist_lock;
 627         spinlock_t                      postq_lock;
 628         spinlock_t                      doneq_lock;
 629         spinlock_t                      rqbuffer_lock;
 630         spinlock_t                      wqbuffer_lock;
 631         union {
 632                 struct MessageUnit_A __iomem *pmuA;
 633                 struct MessageUnit_B    *pmuB;
 634                 struct MessageUnit_C __iomem *pmuC;
 635                 struct MessageUnit_D    *pmuD;
 636         };
 637         /* message unit ATU inbound base address0 */
 638         void __iomem *mem_base0;
 639         void __iomem *mem_base1;
 640         uint32_t                        acb_flags;
 641         u16                     dev_id;
 642         uint8_t                                 adapter_index;
 643         #define ACB_F_SCSISTOPADAPTER           0x0001
 644         #define ACB_F_MSG_STOP_BGRB             0x0002
 645         /* stop RAID background rebuild */
 646         #define ACB_F_MSG_START_BGRB            0x0004
 647         /* stop RAID background rebuild */
 648         #define ACB_F_IOPDATA_OVERFLOW          0x0008
 649         /* iop message data rqbuffer overflow */
 650         #define ACB_F_MESSAGE_WQBUFFER_CLEARED  0x0010
 651         /* message clear wqbuffer */
 652         #define ACB_F_MESSAGE_RQBUFFER_CLEARED  0x0020
 653         /* message clear rqbuffer */
 654         #define ACB_F_MESSAGE_WQBUFFER_READED   0x0040
 655         #define ACB_F_BUS_RESET                 0x0080
 656         #define ACB_F_BUS_HANG_ON               0x0800/* need hardware reset bus */
 657
 658         #define ACB_F_IOP_INITED                0x0100
 659         /* iop init */
 660         #define ACB_F_ABORT                             0x0200
 661         #define ACB_F_FIRMWARE_TRAP                     0x0400
 662         #define ACB_F_MSI_ENABLED               0x1000
 663         #define ACB_F_MSIX_ENABLED              0x2000
 664         struct CommandControlBlock *                    pccb_pool[ARCMSR_MAX_FREECCB_NUM];
 665         /* used for memory free */
 666         struct list_head                ccb_free_list;
 667         /* head of free ccb list */
 668
 669         atomic_t                        ccboutstandingcount;
 670         /*The present outstanding command number that in the IOP that
 671                                         waiting for being handled by FW*/
 672
 673         void *                          dma_coherent;
 674         /* dma_coherent used for memory free */
 675         dma_addr_t                      dma_coherent_handle;
 676         /* dma_coherent_handle used for memory free */
 677         dma_addr_t                              dma_coherent_handle2;
 678         void                            *dma_coherent2;
 679         unsigned int                            uncache_size;
 680         uint8_t                         rqbuffer[ARCMSR_MAX_QBUFFER];
 681         /* data collection buffer for read from 80331 */
 682         int32_t                         rqbuf_getIndex;
 683         /* first of read buffer  */
 684         int32_t                         rqbuf_putIndex;
 685         /* last of read buffer   */
 686         uint8_t                         wqbuffer[ARCMSR_MAX_QBUFFER];
 687         /* data collection buffer for write to 80331  */
 688         int32_t                         wqbuf_getIndex;
 689         /* first of write buffer */
 690         int32_t                         wqbuf_putIndex;
 691         /* last of write buffer  */
 692         uint8_t                         devstate[ARCMSR_MAX_TARGETID][ARCMSR_MAX_TARGETLUN];
 693         /* id0 ..... id15, lun0...lun7 */
 694 #define ARECA_RAID_GONE               0x55
 695 #define ARECA_RAID_GOOD               0xaa
 696         uint32_t                        num_resets;
 697         uint32_t                        num_aborts;
 698         uint32_t                        signature;
 699         uint32_t                        firm_request_len;
 700         uint32_t                        firm_numbers_queue;
 701         uint32_t                        firm_sdram_size;
 702         uint32_t                        firm_hd_channels;
 703         uint32_t                                firm_cfg_version;
 704         char                    firm_model[12];
 705         char                    firm_version[20];
 706         char                    device_map[20];                 /*21,84-99*/
 707         struct work_struct              arcmsr_do_message_isr_bh;
 708         struct timer_list               eternal_timer;
 709         unsigned short          fw_flag;
 710                                 #define FW_NORMAL       0x0000
 711                                 #define FW_BOG          0x0001
 712                                 #define FW_DEADLOCK     0x0010
 713         atomic_t                        rq_map_token;
 714         atomic_t                        ante_token_value;
 715         uint32_t        maxOutstanding;
 716         int             msix_vector_count;
 717 };/* HW_DEVICE_EXTENSION */
 718 /*
 719 *******************************************************************************
 720 **                   Command Control Block
 721 **             this CCB length must be 32 bytes boundary
 722 *******************************************************************************
 723 */
 724 struct CommandControlBlock{
 725         /*x32:sizeof struct_CCB=(32+60)byte, x64:sizeof struct_CCB=(64+60)byte*/
 726         struct list_head                list;                           /*x32: 8byte, x64: 16byte*/
 727         struct scsi_cmnd                *pcmd;                          /*8 bytes pointer of linux scsi command */
 728         struct AdapterControlBlock      *acb;                           /*x32: 4byte, x64: 8byte*/
 729         uint32_t                        cdb_phyaddr;                    /*x32: 4byte, x64: 4byte*/
 730         uint32_t                        arc_cdb_size;                   /*x32:4byte,x64:4byte*/
 731         uint16_t                        ccb_flags;                      /*x32: 2byte, x64: 2byte*/
 732         #define                 CCB_FLAG_READ                   0x0000
 733         #define                 CCB_FLAG_WRITE          0x0001
 734         #define                 CCB_FLAG_ERROR          0x0002
 735         #define                 CCB_FLAG_FLUSHCACHE             0x0004
 736         #define                 CCB_FLAG_MASTER_ABORTED 0x0008
 737         uint16_t                                startdone;                      /*x32:2byte,x32:2byte*/
 738         #define                 ARCMSR_CCB_DONE                         0x0000
 739         #define                 ARCMSR_CCB_START                0x55AA
 740         #define                 ARCMSR_CCB_ABORTED              0xAA55
 741         #define                 ARCMSR_CCB_ILLEGAL              0xFFFF
 742         #if BITS_PER_LONG == 64
 743         /*  ======================512+64 bytes========================  */
 744                 uint32_t                                reserved[5];            /*24 byte*/
 745         #else
 746         /*  ======================512+32 bytes========================  */
 747                 uint32_t                                reserved;               /*8  byte*/
 748         #endif
 749         /*  =======================================================   */
 750         struct ARCMSR_CDB               arcmsr_cdb;
 751 };
 752 /*
 753 *******************************************************************************
 754 **    ARECA SCSI sense data
 755 *******************************************************************************
 756 */
 757 struct SENSE_DATA
 758 {
 759         uint8_t                         ErrorCode:7;
 760 #define SCSI_SENSE_CURRENT_ERRORS       0x70
 761 #define SCSI_SENSE_DEFERRED_ERRORS      0x71
 762         uint8_t                         Valid:1;
 763         uint8_t                         SegmentNumber;
 764         uint8_t                         SenseKey:4;
 765         uint8_t                         Reserved:1;
 766         uint8_t                         IncorrectLength:1;
 767         uint8_t                         EndOfMedia:1;
 768         uint8_t                         FileMark:1;
 769         uint8_t                         Information[4];
 770         uint8_t                         AdditionalSenseLength;
 771         uint8_t                         CommandSpecificInformation[4];
 772         uint8_t                         AdditionalSenseCode;
 773         uint8_t                         AdditionalSenseCodeQualifier;
 774         uint8_t                         FieldReplaceableUnitCode;
 775         uint8_t                         SenseKeySpecific[3];
 776 };
 777 /*
 778 *******************************************************************************
 779 **  Outbound Interrupt Status Register - OISR
 780 *******************************************************************************
 781 */
 782 #define     ARCMSR_MU_OUTBOUND_INTERRUPT_STATUS_REG                 0x30
 783 #define     ARCMSR_MU_OUTBOUND_PCI_INT                              0x10
 784 #define     ARCMSR_MU_OUTBOUND_POSTQUEUE_INT                        0x08
 785 #define     ARCMSR_MU_OUTBOUND_DOORBELL_INT                         0x04
 786 #define     ARCMSR_MU_OUTBOUND_MESSAGE1_INT                         0x02
 787 #define     ARCMSR_MU_OUTBOUND_MESSAGE0_INT                         0x01
 788 #define     ARCMSR_MU_OUTBOUND_HANDLE_INT                 \
 789                     (ARCMSR_MU_OUTBOUND_MESSAGE0_INT      \
 790                      |ARCMSR_MU_OUTBOUND_MESSAGE1_INT     \
 791                      |ARCMSR_MU_OUTBOUND_DOORBELL_INT     \
 792                      |ARCMSR_MU_OUTBOUND_POSTQUEUE_INT    \
 793                      |ARCMSR_MU_OUTBOUND_PCI_INT)
 794 /*
 795 *******************************************************************************
 796 **  Outbound Interrupt Mask Register - OIMR
 797 *******************************************************************************
 798 */
 799 #define     ARCMSR_MU_OUTBOUND_INTERRUPT_MASK_REG                   0x34
 800 #define     ARCMSR_MU_OUTBOUND_PCI_INTMASKENABLE                    0x10
 801 #define     ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE              0x08
 802 #define     ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE               0x04
 803 #define     ARCMSR_MU_OUTBOUND_MESSAGE1_INTMASKENABLE               0x02
 804 #define     ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE               0x01
 805 #define     ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE                    0x1F
 806
 807 extern void arcmsr_write_ioctldata2iop(struct AdapterControlBlock *);
 808 extern uint32_t arcmsr_Read_iop_rqbuffer_data(struct AdapterControlBlock *,
 809         struct QBUFFER __iomem *);
 810 extern void arcmsr_clear_iop2drv_rqueue_buffer(struct AdapterControlBlock *);
 811 extern struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *);
 812 extern struct device_attribute *arcmsr_host_attrs[];
 813 extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *);
 814 void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb);