1 /*-
   2  * Copyright (c) 2013 LSI Corp.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the author nor the names of any co-contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29 
  30 /*
  31  *  Copyright (c) 2000-2013 LSI Corporation.
  32  *
  33  *
  34  *           Name:  mpi2.h
  35  *          Title:  MPI Message independent structures and definitions
  36  *                  including System Interface Register Set and
  37  *                  scatter/gather formats.
  38  *  Creation Date:  June 21, 2006
  39  *
  40  *  mpi2.h Version:  02.00.33
  41  *
  42  *  NOTE: Names (typedefs, defines, etc.) beginning with an MPI25 or Mpi25
  43  *        prefix are for use only on MPI v2.5 products, and must not be used
  44  *        with MPI v2.0 products. Unless otherwise noted, names beginning with
  45  *        MPI2 or Mpi2 are for use with both MPI v2.0 and MPI v2.5 products.
  46  *
  47  *  Version History
  48  *  ---------------
  49  *
  50  *  Date      Version   Description
  51  *  --------  --------  ------------------------------------------------------
  52  *  04-30-07  02.00.00  Corresponds to Fusion-MPT MPI Specification Rev A.
  53  *  06-04-07  02.00.01  Bumped MPI2_HEADER_VERSION_UNIT.
  54  *  06-26-07  02.00.02  Bumped MPI2_HEADER_VERSION_UNIT.
  55  *  08-31-07  02.00.03  Bumped MPI2_HEADER_VERSION_UNIT.
  56  *                      Moved ReplyPostHostIndex register to offset 0x6C of the
  57  *                      MPI2_SYSTEM_INTERFACE_REGS and modified the define for
  58  *                      MPI2_REPLY_POST_HOST_INDEX_OFFSET.
  59  *                      Added union of request descriptors.
  60  *                      Added union of reply descriptors.
  61  *  10-31-07  02.00.04  Bumped MPI2_HEADER_VERSION_UNIT.
  62  *                      Added define for MPI2_VERSION_02_00.
  63  *                      Fixed the size of the FunctionDependent5 field in the
  64  *                      MPI2_DEFAULT_REPLY structure.
  65  *  12-18-07  02.00.05  Bumped MPI2_HEADER_VERSION_UNIT.
  66  *                      Removed the MPI-defined Fault Codes and extended the
  67  *                      product specific codes up to 0xEFFF.
  68  *                      Added a sixth key value for the WriteSequence register
  69  *                      and changed the flush value to 0x0.
  70  *                      Added message function codes for Diagnostic Buffer Post
  71  *                      and Diagnsotic Release.
  72  *                      New IOCStatus define: MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED
  73  *                      Moved MPI2_VERSION_UNION from mpi2_ioc.h.
  74  *  02-29-08  02.00.06  Bumped MPI2_HEADER_VERSION_UNIT.
  75  *  03-03-08  02.00.07  Bumped MPI2_HEADER_VERSION_UNIT.
  76  *  05-21-08  02.00.08  Bumped MPI2_HEADER_VERSION_UNIT.
  77  *                      Added #defines for marking a reply descriptor as unused.
  78  *  06-27-08  02.00.09  Bumped MPI2_HEADER_VERSION_UNIT.
  79  *  10-02-08  02.00.10  Bumped MPI2_HEADER_VERSION_UNIT.
  80  *                      Moved LUN field defines from mpi2_init.h.
  81  *  01-19-09  02.00.11  Bumped MPI2_HEADER_VERSION_UNIT.
  82  *  05-06-09  02.00.12  Bumped MPI2_HEADER_VERSION_UNIT.
  83  *                      In all request and reply descriptors, replaced VF_ID
  84  *                      field with MSIxIndex field.
  85  *                      Removed DevHandle field from
  86  *                      MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR and made those
  87  *                      bytes reserved.
  88  *                      Added RAID Accelerator functionality.
  89  *  07-30-09  02.00.13  Bumped MPI2_HEADER_VERSION_UNIT.
  90  *  10-28-09  02.00.14  Bumped MPI2_HEADER_VERSION_UNIT.
  91  *                      Added MSI-x index mask and shift for Reply Post Host
  92  *                      Index register.
  93  *                      Added function code for Host Based Discovery Action.
  94  *  02-10-10  02.00.15  Bumped MPI2_HEADER_VERSION_UNIT.
  95  *                      Added define for MPI2_FUNCTION_PWR_MGMT_CONTROL.
  96  *                      Added defines for product-specific range of message
  97  *                      function codes, 0xF0 to 0xFF.
  98  *  05-12-10  02.00.16  Bumped MPI2_HEADER_VERSION_UNIT.
  99  *                      Added alternative defines for the SGE Direction bit.
 100  *  08-11-10  02.00.17  Bumped MPI2_HEADER_VERSION_UNIT.
 101  *  11-10-10  02.00.18  Bumped MPI2_HEADER_VERSION_UNIT.
 102  *                      Added MPI2_IEEE_SGE_FLAGS_SYSTEMPLBCPI_ADDR define.
 103  *  02-23-11  02.00.19  Bumped MPI2_HEADER_VERSION_UNIT.
 104  *                      Added MPI2_FUNCTION_SEND_HOST_MESSAGE.
 105  *  03-09-11  02.00.20  Bumped MPI2_HEADER_VERSION_UNIT.
 106  *  05-25-11  02.00.21  Bumped MPI2_HEADER_VERSION_UNIT.
 107  *  08-24-11  02.00.22  Bumped MPI2_HEADER_VERSION_UNIT.
 108  *  11-18-11  02.00.23  Bumped MPI2_HEADER_VERSION_UNIT.
 109  *                      Incorporating additions for MPI v2.5.
 110  *  02-06-12  02.00.24  Bumped MPI2_HEADER_VERSION_UNIT.
 111  *  03-29-12  02.00.25  Bumped MPI2_HEADER_VERSION_UNIT.
 112  *                      Added Hard Reset delay timings.
 113  *  07-10-12  02.00.26  Bumped MPI2_HEADER_VERSION_UNIT.
 114  *  07-26-12  02.00.27  Bumped MPI2_HEADER_VERSION_UNIT.
 115  *  11-27-12  02.00.28  Bumped MPI2_HEADER_VERSION_UNIT.
 116  *  12-20-12  02.00.29  Bumped MPI2_HEADER_VERSION_UNIT.
 117  *                      Added MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET.
 118  *  04-09-13  02.00.30  Bumped MPI2_HEADER_VERSION_UNIT.
 119  *  04-17-13  02.00.31  Bumped MPI2_HEADER_VERSION_UNIT.
 120  *  08-19-13  02.00.32  Bumped MPI2_HEADER_VERSION_UNIT.
 121  *  12-05-13  02.00.33  Bumped MPI2_HEADER_VERSION_UNIT.
 122  *  --------------------------------------------------------------------------
 123  */
 124 
 125 #ifndef MPI2_H
 126 #define MPI2_H
 127 
 128 
 129 /*****************************************************************************
 130 *
 131 *        MPI Version Definitions
 132 *
 133 *****************************************************************************/
 134 
 135 #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
 136 #define MPI2_VERSION_MAJOR_SHIFT            (8)
 137 #define MPI2_VERSION_MINOR_MASK             (0x00FF)
 138 #define MPI2_VERSION_MINOR_SHIFT            (0)
 139 
 140 /* major version for all MPI v2.x */
 141 #define MPI2_VERSION_MAJOR                  (0x02)
 142 
 143 /* minor version for MPI v2.0 compatible products */
 144 #define MPI2_VERSION_MINOR                  (0x00)
 145 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) |   \
 146                                       MPI2_VERSION_MINOR)
 147 #define MPI2_VERSION_02_00                  (0x0200)
 148 
 149 
 150 /* minor version for MPI v2.5 compatible products */
 151 #define MPI25_VERSION_MINOR                 (0x05)
 152 #define MPI25_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) |   \
 153                                       MPI25_VERSION_MINOR)
 154 #define MPI2_VERSION_02_05                  (0x0205)
 155 
 156 
 157 /* Unit and Dev versioning for this MPI header set */
 158 #define MPI2_HEADER_VERSION_UNIT            (0x21)
 159 #define MPI2_HEADER_VERSION_DEV             (0x00)
 160 #define MPI2_HEADER_VERSION_UNIT_MASK       (0xFF00)
 161 #define MPI2_HEADER_VERSION_UNIT_SHIFT      (8)
 162 #define MPI2_HEADER_VERSION_DEV_MASK        (0x00FF)
 163 #define MPI2_HEADER_VERSION_DEV_SHIFT       (0)
 164 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) | MPI2_HEADER_VERSION_DEV)
 165 
 166 
 167 /*****************************************************************************
 168 *
 169 *        IOC State Definitions
 170 *
 171 *****************************************************************************/
 172 
 173 #define MPI2_IOC_STATE_RESET               (0x00000000)
 174 #define MPI2_IOC_STATE_READY               (0x10000000)
 175 #define MPI2_IOC_STATE_OPERATIONAL         (0x20000000)
 176 #define MPI2_IOC_STATE_FAULT               (0x40000000)
 177 
 178 #define MPI2_IOC_STATE_MASK                (0xF0000000)
 179 #define MPI2_IOC_STATE_SHIFT               (28)
 180 
 181 /* Fault state range for prodcut specific codes */
 182 #define MPI2_FAULT_PRODUCT_SPECIFIC_MIN                 (0x0000)
 183 #define MPI2_FAULT_PRODUCT_SPECIFIC_MAX                 (0xEFFF)
 184 
 185 
 186 /*****************************************************************************
 187 *
 188 *        System Interface Register Definitions
 189 *
 190 *****************************************************************************/
 191 
 192 typedef volatile struct _MPI2_SYSTEM_INTERFACE_REGS
 193 {
 194     U32         Doorbell;                   /* 0x00 */
 195     U32         WriteSequence;              /* 0x04 */
 196     U32         HostDiagnostic;             /* 0x08 */
 197     U32         Reserved1;                  /* 0x0C */
 198     U32         DiagRWData;                 /* 0x10 */
 199     U32         DiagRWAddressLow;           /* 0x14 */
 200     U32         DiagRWAddressHigh;          /* 0x18 */
 201     U32         Reserved2[5];               /* 0x1C */
 202     U32         HostInterruptStatus;        /* 0x30 */
 203     U32         HostInterruptMask;          /* 0x34 */
 204     U32         DCRData;                    /* 0x38 */
 205     U32         DCRAddress;                 /* 0x3C */
 206     U32         Reserved3[2];               /* 0x40 */
 207     U32         ReplyFreeHostIndex;         /* 0x48 */
 208     U32         Reserved4[8];               /* 0x4C */
 209     U32         ReplyPostHostIndex;         /* 0x6C */
 210     U32         Reserved5;                  /* 0x70 */
 211     U32         HCBSize;                    /* 0x74 */
 212     U32         HCBAddressLow;              /* 0x78 */
 213     U32         HCBAddressHigh;             /* 0x7C */
 214     U32         Reserved6[16];              /* 0x80 */
 215     U32         RequestDescriptorPostLow;   /* 0xC0 */
 216     U32         RequestDescriptorPostHigh;  /* 0xC4 */
 217     U32         Reserved7[14];              /* 0xC8 */
 218 } MPI2_SYSTEM_INTERFACE_REGS, MPI2_POINTER PTR_MPI2_SYSTEM_INTERFACE_REGS,
 219   Mpi2SystemInterfaceRegs_t, MPI2_POINTER pMpi2SystemInterfaceRegs_t;
 220 
 221 /*
 222  * Defines for working with the Doorbell register.
 223  */
 224 #define MPI2_DOORBELL_OFFSET                    (0x00000000)
 225 
 226 /* IOC --> System values */
 227 #define MPI2_DOORBELL_USED                      (0x08000000)
 228 #define MPI2_DOORBELL_WHO_INIT_MASK             (0x07000000)
 229 #define MPI2_DOORBELL_WHO_INIT_SHIFT            (24)
 230 #define MPI2_DOORBELL_FAULT_CODE_MASK           (0x0000FFFF)
 231 #define MPI2_DOORBELL_DATA_MASK                 (0x0000FFFF)
 232 
 233 /* System --> IOC values */
 234 #define MPI2_DOORBELL_FUNCTION_MASK             (0xFF000000)
 235 #define MPI2_DOORBELL_FUNCTION_SHIFT            (24)
 236 #define MPI2_DOORBELL_ADD_DWORDS_MASK           (0x00FF0000)
 237 #define MPI2_DOORBELL_ADD_DWORDS_SHIFT          (16)
 238 
 239 
 240 /*
 241  * Defines for the WriteSequence register
 242  */
 243 #define MPI2_WRITE_SEQUENCE_OFFSET              (0x00000004)
 244 #define MPI2_WRSEQ_KEY_VALUE_MASK               (0x0000000F)
 245 #define MPI2_WRSEQ_FLUSH_KEY_VALUE              (0x0)
 246 #define MPI2_WRSEQ_1ST_KEY_VALUE                (0xF)
 247 #define MPI2_WRSEQ_2ND_KEY_VALUE                (0x4)
 248 #define MPI2_WRSEQ_3RD_KEY_VALUE                (0xB)
 249 #define MPI2_WRSEQ_4TH_KEY_VALUE                (0x2)
 250 #define MPI2_WRSEQ_5TH_KEY_VALUE                (0x7)
 251 #define MPI2_WRSEQ_6TH_KEY_VALUE                (0xD)
 252 
 253 /*
 254  * Defines for the HostDiagnostic register
 255  */
 256 #define MPI2_HOST_DIAGNOSTIC_OFFSET             (0x00000008)
 257 
 258 #define MPI2_DIAG_BOOT_DEVICE_SELECT_MASK       (0x00001800)
 259 #define MPI2_DIAG_BOOT_DEVICE_SELECT_DEFAULT    (0x00000000)
 260 #define MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW       (0x00000800)
 261 
 262 #define MPI2_DIAG_CLEAR_FLASH_BAD_SIG           (0x00000400)
 263 #define MPI2_DIAG_FORCE_HCB_ON_RESET            (0x00000200)
 264 #define MPI2_DIAG_HCB_MODE                      (0x00000100)
 265 #define MPI2_DIAG_DIAG_WRITE_ENABLE             (0x00000080)
 266 #define MPI2_DIAG_FLASH_BAD_SIG                 (0x00000040)
 267 #define MPI2_DIAG_RESET_HISTORY                 (0x00000020)
 268 #define MPI2_DIAG_DIAG_RW_ENABLE                (0x00000010)
 269 #define MPI2_DIAG_RESET_ADAPTER                 (0x00000004)
 270 #define MPI2_DIAG_HOLD_IOC_RESET                (0x00000002)
 271 
 272 /*
 273  * Offsets for DiagRWData and address
 274  */
 275 #define MPI2_DIAG_RW_DATA_OFFSET                (0x00000010)
 276 #define MPI2_DIAG_RW_ADDRESS_LOW_OFFSET         (0x00000014)
 277 #define MPI2_DIAG_RW_ADDRESS_HIGH_OFFSET        (0x00000018)
 278 
 279 /*
 280  * Defines for the HostInterruptStatus register
 281  */
 282 #define MPI2_HOST_INTERRUPT_STATUS_OFFSET       (0x00000030)
 283 #define MPI2_HIS_SYS2IOC_DB_STATUS              (0x80000000)
 284 #define MPI2_HIS_IOP_DOORBELL_STATUS            MPI2_HIS_SYS2IOC_DB_STATUS
 285 #define MPI2_HIS_RESET_IRQ_STATUS               (0x40000000)
 286 #define MPI2_HIS_REPLY_DESCRIPTOR_INTERRUPT     (0x00000008)
 287 #define MPI2_HIS_IOC2SYS_DB_STATUS              (0x00000001)
 288 #define MPI2_HIS_DOORBELL_INTERRUPT             MPI2_HIS_IOC2SYS_DB_STATUS
 289 
 290 /*
 291  * Defines for the HostInterruptMask register
 292  */
 293 #define MPI2_HOST_INTERRUPT_MASK_OFFSET         (0x00000034)
 294 #define MPI2_HIM_RESET_IRQ_MASK                 (0x40000000)
 295 #define MPI2_HIM_REPLY_INT_MASK                 (0x00000008)
 296 #define MPI2_HIM_RIM                            MPI2_HIM_REPLY_INT_MASK
 297 #define MPI2_HIM_IOC2SYS_DB_MASK                (0x00000001)
 298 #define MPI2_HIM_DIM                            MPI2_HIM_IOC2SYS_DB_MASK
 299 
 300 /*
 301  * Offsets for DCRData and address
 302  */
 303 #define MPI2_DCR_DATA_OFFSET                    (0x00000038)
 304 #define MPI2_DCR_ADDRESS_OFFSET                 (0x0000003C)
 305 
 306 /*
 307  * Offset for the Reply Free Queue
 308  */
 309 #define MPI2_REPLY_FREE_HOST_INDEX_OFFSET       (0x00000048)
 310 
 311 /*
 312  * Defines for the Reply Descriptor Post Queue
 313  */
 314 #define MPI2_REPLY_POST_HOST_INDEX_OFFSET       (0x0000006C)
 315 #define MPI2_REPLY_POST_HOST_INDEX_MASK         (0x00FFFFFF)
 316 #define MPI2_RPHI_MSIX_INDEX_MASK               (0xFF000000)
 317 #define MPI2_RPHI_MSIX_INDEX_SHIFT              (24)
 318 #define MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET  (0x0000030C) /* MPI v2.5 only */
 319 
 320 
 321 /*
 322  * Defines for the HCBSize and address
 323  */
 324 #define MPI2_HCB_SIZE_OFFSET                    (0x00000074)
 325 #define MPI2_HCB_SIZE_SIZE_MASK                 (0xFFFFF000)
 326 #define MPI2_HCB_SIZE_HCB_ENABLE                (0x00000001)
 327 
 328 #define MPI2_HCB_ADDRESS_LOW_OFFSET             (0x00000078)
 329 #define MPI2_HCB_ADDRESS_HIGH_OFFSET            (0x0000007C)
 330 
 331 /*
 332  * Offsets for the Request Queue
 333  */
 334 #define MPI2_REQUEST_DESCRIPTOR_POST_LOW_OFFSET     (0x000000C0)
 335 #define MPI2_REQUEST_DESCRIPTOR_POST_HIGH_OFFSET    (0x000000C4)
 336 
 337 
 338 /* Hard Reset delay timings */
 339 #define MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC     (50000)
 340 #define MPI2_HARD_RESET_PCIE_RESET_READ_WINDOW_MICRO_SEC    (255000)
 341 #define MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC    (256000)
 342 
 343 /*****************************************************************************
 344 *
 345 *        Message Descriptors
 346 *
 347 *****************************************************************************/
 348 
 349 /* Request Descriptors */
 350 
 351 /* Default Request Descriptor */
 352 typedef struct _MPI2_DEFAULT_REQUEST_DESCRIPTOR
 353 {
 354     U8              RequestFlags;               /* 0x00 */
 355     U8              MSIxIndex;                  /* 0x01 */
 356     U16             SMID;                       /* 0x02 */
 357     U16             LMID;                       /* 0x04 */
 358     U16             DescriptorTypeDependent;    /* 0x06 */
 359 } MPI2_DEFAULT_REQUEST_DESCRIPTOR,
 360   MPI2_POINTER PTR_MPI2_DEFAULT_REQUEST_DESCRIPTOR,
 361   Mpi2DefaultRequestDescriptor_t, MPI2_POINTER pMpi2DefaultRequestDescriptor_t;
 362 
 363 /* defines for the RequestFlags field */
 364 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK               (0x0E)
 365 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO                 (0x00)
 366 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET             (0x02)
 367 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY           (0x06)
 368 #define MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE            (0x08)
 369 #define MPI2_REQ_DESCRIPT_FLAGS_RAID_ACCELERATOR        (0x0A)
 370 #define MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO      (0x0C)
 371 
 372 #define MPI2_REQ_DESCRIPT_FLAGS_IOC_FIFO_MARKER (0x01)
 373 
 374 
 375 /* High Priority Request Descriptor */
 376 typedef struct _MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR
 377 {
 378     U8              RequestFlags;               /* 0x00 */
 379     U8              MSIxIndex;                  /* 0x01 */
 380     U16             SMID;                       /* 0x02 */
 381     U16             LMID;                       /* 0x04 */
 382     U16             Reserved1;                  /* 0x06 */
 383 } MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
 384   MPI2_POINTER PTR_MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR,
 385   Mpi2HighPriorityRequestDescriptor_t,
 386   MPI2_POINTER pMpi2HighPriorityRequestDescriptor_t;
 387 
 388 
 389 /* SCSI IO Request Descriptor */
 390 typedef struct _MPI2_SCSI_IO_REQUEST_DESCRIPTOR
 391 {
 392     U8              RequestFlags;               /* 0x00 */
 393     U8              MSIxIndex;                  /* 0x01 */
 394     U16             SMID;                       /* 0x02 */
 395     U16             LMID;                       /* 0x04 */
 396     U16             DevHandle;                  /* 0x06 */
 397 } MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
 398   MPI2_POINTER PTR_MPI2_SCSI_IO_REQUEST_DESCRIPTOR,
 399   Mpi2SCSIIORequestDescriptor_t, MPI2_POINTER pMpi2SCSIIORequestDescriptor_t;
 400 
 401 
 402 /* SCSI Target Request Descriptor */
 403 typedef struct _MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR
 404 {
 405     U8              RequestFlags;               /* 0x00 */
 406     U8              MSIxIndex;                  /* 0x01 */
 407     U16             SMID;                       /* 0x02 */
 408     U16             LMID;                       /* 0x04 */
 409     U16             IoIndex;                    /* 0x06 */
 410 } MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
 411   MPI2_POINTER PTR_MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR,
 412   Mpi2SCSITargetRequestDescriptor_t,
 413   MPI2_POINTER pMpi2SCSITargetRequestDescriptor_t;
 414 
 415 
 416 /* RAID Accelerator Request Descriptor */
 417 typedef struct _MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR
 418 {
 419     U8              RequestFlags;               /* 0x00 */
 420     U8              MSIxIndex;                  /* 0x01 */
 421     U16             SMID;                       /* 0x02 */
 422     U16             LMID;                       /* 0x04 */
 423     U16             Reserved;                   /* 0x06 */
 424 } MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
 425   MPI2_POINTER PTR_MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR,
 426   Mpi2RAIDAcceleratorRequestDescriptor_t,
 427   MPI2_POINTER pMpi2RAIDAcceleratorRequestDescriptor_t;
 428 
 429 
 430 /* Fast Path SCSI IO Request Descriptor */
 431 typedef MPI2_SCSI_IO_REQUEST_DESCRIPTOR
 432     MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR,
 433     MPI2_POINTER PTR_MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR,
 434     Mpi25FastPathSCSIIORequestDescriptor_t,
 435     MPI2_POINTER pMpi25FastPathSCSIIORequestDescriptor_t;
 436 
 437 
 438 /* union of Request Descriptors */
 439 typedef union _MPI2_REQUEST_DESCRIPTOR_UNION
 440 {
 441     MPI2_DEFAULT_REQUEST_DESCRIPTOR             Default;
 442     MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR       HighPriority;
 443     MPI2_SCSI_IO_REQUEST_DESCRIPTOR             SCSIIO;
 444     MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR         SCSITarget;
 445     MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR          RAIDAccelerator;
 446     MPI25_FP_SCSI_IO_REQUEST_DESCRIPTOR         FastPathSCSIIO;
 447     U64                                         Words;
 448 } MPI2_REQUEST_DESCRIPTOR_UNION, MPI2_POINTER PTR_MPI2_REQUEST_DESCRIPTOR_UNION,
 449   Mpi2RequestDescriptorUnion_t, MPI2_POINTER pMpi2RequestDescriptorUnion_t;
 450 
 451 
 452 /* Reply Descriptors */
 453 
 454 /* Default Reply Descriptor */
 455 typedef struct _MPI2_DEFAULT_REPLY_DESCRIPTOR
 456 {
 457     U8              ReplyFlags;                 /* 0x00 */
 458     U8              MSIxIndex;                  /* 0x01 */
 459     U16             DescriptorTypeDependent1;   /* 0x02 */
 460     U32             DescriptorTypeDependent2;   /* 0x04 */
 461 } MPI2_DEFAULT_REPLY_DESCRIPTOR, MPI2_POINTER PTR_MPI2_DEFAULT_REPLY_DESCRIPTOR,
 462   Mpi2DefaultReplyDescriptor_t, MPI2_POINTER pMpi2DefaultReplyDescriptor_t;
 463 
 464 /* defines for the ReplyFlags field */
 465 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK                   (0x0F)
 466 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS             (0x00)
 467 #define MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY               (0x01)
 468 #define MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS        (0x02)
 469 #define MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER       (0x03)
 470 #define MPI2_RPY_DESCRIPT_FLAGS_RAID_ACCELERATOR_SUCCESS    (0x05)
 471 #define MPI25_RPY_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO_SUCCESS  (0x06)
 472 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED                      (0x0F)
 473 
 474 /* values for marking a reply descriptor as unused */
 475 #define MPI2_RPY_DESCRIPT_UNUSED_WORD0_MARK             (0xFFFFFFFF)
 476 #define MPI2_RPY_DESCRIPT_UNUSED_WORD1_MARK             (0xFFFFFFFF)
 477 
 478 /* Address Reply Descriptor */
 479 typedef struct _MPI2_ADDRESS_REPLY_DESCRIPTOR
 480 {
 481     U8              ReplyFlags;                 /* 0x00 */
 482     U8              MSIxIndex;                  /* 0x01 */
 483     U16             SMID;                       /* 0x02 */
 484     U32             ReplyFrameAddress;          /* 0x04 */
 485 } MPI2_ADDRESS_REPLY_DESCRIPTOR, MPI2_POINTER PTR_MPI2_ADDRESS_REPLY_DESCRIPTOR,
 486   Mpi2AddressReplyDescriptor_t, MPI2_POINTER pMpi2AddressReplyDescriptor_t;
 487 
 488 #define MPI2_ADDRESS_REPLY_SMID_INVALID                 (0x00)
 489 
 490 
 491 /* SCSI IO Success Reply Descriptor */
 492 typedef struct _MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR
 493 {
 494     U8              ReplyFlags;                 /* 0x00 */
 495     U8              MSIxIndex;                  /* 0x01 */
 496     U16             SMID;                       /* 0x02 */
 497     U16             TaskTag;                    /* 0x04 */
 498     U16             Reserved1;                  /* 0x06 */
 499 } MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
 500   MPI2_POINTER PTR_MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
 501   Mpi2SCSIIOSuccessReplyDescriptor_t,
 502   MPI2_POINTER pMpi2SCSIIOSuccessReplyDescriptor_t;
 503 
 504 
 505 /* TargetAssist Success Reply Descriptor */
 506 typedef struct _MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR
 507 {
 508     U8              ReplyFlags;                 /* 0x00 */
 509     U8              MSIxIndex;                  /* 0x01 */
 510     U16             SMID;                       /* 0x02 */
 511     U8              SequenceNumber;             /* 0x04 */
 512     U8              Reserved1;                  /* 0x05 */
 513     U16             IoIndex;                    /* 0x06 */
 514 } MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
 515   MPI2_POINTER PTR_MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR,
 516   Mpi2TargetAssistSuccessReplyDescriptor_t,
 517   MPI2_POINTER pMpi2TargetAssistSuccessReplyDescriptor_t;
 518 
 519 
 520 /* Target Command Buffer Reply Descriptor */
 521 typedef struct _MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR
 522 {
 523     U8              ReplyFlags;                 /* 0x00 */
 524     U8              MSIxIndex;                  /* 0x01 */
 525     U8              VP_ID;                      /* 0x02 */
 526     U8              Flags;                      /* 0x03 */
 527     U16             InitiatorDevHandle;         /* 0x04 */
 528     U16             IoIndex;                    /* 0x06 */
 529 } MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
 530   MPI2_POINTER PTR_MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR,
 531   Mpi2TargetCommandBufferReplyDescriptor_t,
 532   MPI2_POINTER pMpi2TargetCommandBufferReplyDescriptor_t;
 533 
 534 /* defines for Flags field */
 535 #define MPI2_RPY_DESCRIPT_TCB_FLAGS_PHYNUM_MASK     (0x3F)
 536 
 537 
 538 /* RAID Accelerator Success Reply Descriptor */
 539 typedef struct _MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR
 540 {
 541     U8              ReplyFlags;                 /* 0x00 */
 542     U8              MSIxIndex;                  /* 0x01 */
 543     U16             SMID;                       /* 0x02 */
 544     U32             Reserved;                   /* 0x04 */
 545 } MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
 546   MPI2_POINTER PTR_MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR,
 547   Mpi2RAIDAcceleratorSuccessReplyDescriptor_t,
 548   MPI2_POINTER pMpi2RAIDAcceleratorSuccessReplyDescriptor_t;
 549 
 550 
 551 /* Fast Path SCSI IO Success Reply Descriptor */
 552 typedef MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR
 553     MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
 554     MPI2_POINTER PTR_MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR,
 555     Mpi25FastPathSCSIIOSuccessReplyDescriptor_t,
 556     MPI2_POINTER pMpi25FastPathSCSIIOSuccessReplyDescriptor_t;
 557 
 558 
 559 /* union of Reply Descriptors */
 560 typedef union _MPI2_REPLY_DESCRIPTORS_UNION
 561 {
 562     MPI2_DEFAULT_REPLY_DESCRIPTOR                   Default;
 563     MPI2_ADDRESS_REPLY_DESCRIPTOR                   AddressReply;
 564     MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR           SCSIIOSuccess;
 565     MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR      TargetAssistSuccess;
 566     MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR     TargetCommandBuffer;
 567     MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR  RAIDAcceleratorSuccess;
 568     MPI25_FP_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR       FastPathSCSIIOSuccess;
 569     U64                                             Words;
 570 } MPI2_REPLY_DESCRIPTORS_UNION, MPI2_POINTER PTR_MPI2_REPLY_DESCRIPTORS_UNION,
 571   Mpi2ReplyDescriptorsUnion_t, MPI2_POINTER pMpi2ReplyDescriptorsUnion_t;
 572 
 573 
 574 
 575 /*****************************************************************************
 576 *
 577 *        Message Functions
 578 *
 579 *****************************************************************************/
 580 
 581 #define MPI2_FUNCTION_SCSI_IO_REQUEST               (0x00) /* SCSI IO */
 582 #define MPI2_FUNCTION_SCSI_TASK_MGMT                (0x01) /* SCSI Task Management */
 583 #define MPI2_FUNCTION_IOC_INIT                      (0x02) /* IOC Init */
 584 #define MPI2_FUNCTION_IOC_FACTS                     (0x03) /* IOC Facts */
 585 #define MPI2_FUNCTION_CONFIG                        (0x04) /* Configuration */
 586 #define MPI2_FUNCTION_PORT_FACTS                    (0x05) /* Port Facts */
 587 #define MPI2_FUNCTION_PORT_ENABLE                   (0x06) /* Port Enable */
 588 #define MPI2_FUNCTION_EVENT_NOTIFICATION            (0x07) /* Event Notification */
 589 #define MPI2_FUNCTION_EVENT_ACK                     (0x08) /* Event Acknowledge */
 590 #define MPI2_FUNCTION_FW_DOWNLOAD                   (0x09) /* FW Download */
 591 #define MPI2_FUNCTION_TARGET_ASSIST                 (0x0B) /* Target Assist */
 592 #define MPI2_FUNCTION_TARGET_STATUS_SEND            (0x0C) /* Target Status Send */
 593 #define MPI2_FUNCTION_TARGET_MODE_ABORT             (0x0D) /* Target Mode Abort */
 594 #define MPI2_FUNCTION_FW_UPLOAD                     (0x12) /* FW Upload */
 595 #define MPI2_FUNCTION_RAID_ACTION                   (0x15) /* RAID Action */
 596 #define MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH      (0x16) /* SCSI IO RAID Passthrough */
 597 #define MPI2_FUNCTION_TOOLBOX                       (0x17) /* Toolbox */
 598 #define MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR      (0x18) /* SCSI Enclosure Processor */
 599 #define MPI2_FUNCTION_SMP_PASSTHROUGH               (0x1A) /* SMP Passthrough */
 600 #define MPI2_FUNCTION_SAS_IO_UNIT_CONTROL           (0x1B) /* SAS IO Unit Control */
 601 #define MPI2_FUNCTION_SATA_PASSTHROUGH              (0x1C) /* SATA Passthrough */
 602 #define MPI2_FUNCTION_DIAG_BUFFER_POST              (0x1D) /* Diagnostic Buffer Post */
 603 #define MPI2_FUNCTION_DIAG_RELEASE                  (0x1E) /* Diagnostic Release */
 604 #define MPI2_FUNCTION_TARGET_CMD_BUF_BASE_POST      (0x24) /* Target Command Buffer Post Base */
 605 #define MPI2_FUNCTION_TARGET_CMD_BUF_LIST_POST      (0x25) /* Target Command Buffer Post List */
 606 #define MPI2_FUNCTION_RAID_ACCELERATOR              (0x2C) /* RAID Accelerator */
 607 #define MPI2_FUNCTION_HOST_BASED_DISCOVERY_ACTION   (0x2F) /* Host Based Discovery Action */
 608 #define MPI2_FUNCTION_PWR_MGMT_CONTROL              (0x30) /* Power Management Control */
 609 #define MPI2_FUNCTION_SEND_HOST_MESSAGE             (0x31) /* Send Host Message */
 610 #define MPI2_FUNCTION_MIN_PRODUCT_SPECIFIC          (0xF0) /* beginning of product-specific range */
 611 #define MPI2_FUNCTION_MAX_PRODUCT_SPECIFIC          (0xFF) /* end of product-specific range */
 612 
 613 
 614 
 615 /* Doorbell functions */
 616 #define MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET        (0x40)
 617 #define MPI2_FUNCTION_HANDSHAKE                     (0x42)
 618 
 619 
 620 /*****************************************************************************
 621 *
 622 *        IOC Status Values
 623 *
 624 *****************************************************************************/
 625 
 626 /* mask for IOCStatus status value */
 627 #define MPI2_IOCSTATUS_MASK                     (0x7FFF)
 628 
 629 /****************************************************************************
 630 *  Common IOCStatus values for all replies
 631 ****************************************************************************/
 632 
 633 #define MPI2_IOCSTATUS_SUCCESS                      (0x0000)
 634 #define MPI2_IOCSTATUS_INVALID_FUNCTION             (0x0001)
 635 #define MPI2_IOCSTATUS_BUSY                         (0x0002)
 636 #define MPI2_IOCSTATUS_INVALID_SGL                  (0x0003)
 637 #define MPI2_IOCSTATUS_INTERNAL_ERROR               (0x0004)
 638 #define MPI2_IOCSTATUS_INVALID_VPID                 (0x0005)
 639 #define MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES       (0x0006)
 640 #define MPI2_IOCSTATUS_INVALID_FIELD                (0x0007)
 641 #define MPI2_IOCSTATUS_INVALID_STATE                (0x0008)
 642 #define MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED       (0x0009)
 643 
 644 /****************************************************************************
 645 *  Config IOCStatus values
 646 ****************************************************************************/
 647 
 648 #define MPI2_IOCSTATUS_CONFIG_INVALID_ACTION        (0x0020)
 649 #define MPI2_IOCSTATUS_CONFIG_INVALID_TYPE          (0x0021)
 650 #define MPI2_IOCSTATUS_CONFIG_INVALID_PAGE          (0x0022)
 651 #define MPI2_IOCSTATUS_CONFIG_INVALID_DATA          (0x0023)
 652 #define MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS           (0x0024)
 653 #define MPI2_IOCSTATUS_CONFIG_CANT_COMMIT           (0x0025)
 654 
 655 /****************************************************************************
 656 *  SCSI IO Reply
 657 ****************************************************************************/
 658 
 659 #define MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR         (0x0040)
 660 #define MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE       (0x0042)
 661 #define MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE        (0x0043)
 662 #define MPI2_IOCSTATUS_SCSI_DATA_OVERRUN            (0x0044)
 663 #define MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN           (0x0045)
 664 #define MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR           (0x0046)
 665 #define MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR          (0x0047)
 666 #define MPI2_IOCSTATUS_SCSI_TASK_TERMINATED         (0x0048)
 667 #define MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH       (0x0049)
 668 #define MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED        (0x004A)
 669 #define MPI2_IOCSTATUS_SCSI_IOC_TERMINATED          (0x004B)
 670 #define MPI2_IOCSTATUS_SCSI_EXT_TERMINATED          (0x004C)
 671 
 672 /****************************************************************************
 673 *  For use by SCSI Initiator and SCSI Target end-to-end data protection
 674 ****************************************************************************/
 675 
 676 #define MPI2_IOCSTATUS_EEDP_GUARD_ERROR             (0x004D)
 677 #define MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR           (0x004E)
 678 #define MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR           (0x004F)
 679 
 680 /****************************************************************************
 681 *  SCSI Target values
 682 ****************************************************************************/
 683 
 684 #define MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX      (0x0062)
 685 #define MPI2_IOCSTATUS_TARGET_ABORTED               (0x0063)
 686 #define MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE     (0x0064)
 687 #define MPI2_IOCSTATUS_TARGET_NO_CONNECTION         (0x0065)
 688 #define MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH   (0x006A)
 689 #define MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR     (0x006D)
 690 #define MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA   (0x006E)
 691 #define MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT          (0x006F)
 692 #define MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT       (0x0070)
 693 #define MPI2_IOCSTATUS_TARGET_NAK_RECEIVED          (0x0071)
 694 
 695 /****************************************************************************
 696 *  Serial Attached SCSI values
 697 ****************************************************************************/
 698 
 699 #define MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED       (0x0090)
 700 #define MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN         (0x0091)
 701 
 702 /****************************************************************************
 703 *  Diagnostic Buffer Post / Diagnostic Release values
 704 ****************************************************************************/
 705 
 706 #define MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED          (0x00A0)
 707 
 708 /****************************************************************************
 709 *  RAID Accelerator values
 710 ****************************************************************************/
 711 
 712 #define MPI2_IOCSTATUS_RAID_ACCEL_ERROR             (0x00B0)
 713 
 714 /****************************************************************************
 715 *  IOCStatus flag to indicate that log info is available
 716 ****************************************************************************/
 717 
 718 #define MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE      (0x8000)
 719 
 720 /****************************************************************************
 721 *  IOCLogInfo Types
 722 ****************************************************************************/
 723 
 724 #define MPI2_IOCLOGINFO_TYPE_MASK               (0xF0000000)
 725 #define MPI2_IOCLOGINFO_TYPE_SHIFT              (28)
 726 #define MPI2_IOCLOGINFO_TYPE_NONE               (0x0)
 727 #define MPI2_IOCLOGINFO_TYPE_SCSI               (0x1)
 728 #define MPI2_IOCLOGINFO_TYPE_FC                 (0x2)
 729 #define MPI2_IOCLOGINFO_TYPE_SAS                (0x3)
 730 #define MPI2_IOCLOGINFO_TYPE_ISCSI              (0x4)
 731 #define MPI2_IOCLOGINFO_LOG_DATA_MASK           (0x0FFFFFFF)
 732 
 733 
 734 /*****************************************************************************
 735 *
 736 *        Standard Message Structures
 737 *
 738 *****************************************************************************/
 739 
 740 /****************************************************************************
 741 * Request Message Header for all request messages
 742 ****************************************************************************/
 743 
 744 typedef struct _MPI2_REQUEST_HEADER
 745 {
 746     U16             FunctionDependent1;         /* 0x00 */
 747     U8              ChainOffset;                /* 0x02 */
 748     U8              Function;                   /* 0x03 */
 749     U16             FunctionDependent2;         /* 0x04 */
 750     U8              FunctionDependent3;         /* 0x06 */
 751     U8              MsgFlags;                   /* 0x07 */
 752     U8              VP_ID;                      /* 0x08 */
 753     U8              VF_ID;                      /* 0x09 */
 754     U16             Reserved1;                  /* 0x0A */
 755 } MPI2_REQUEST_HEADER, MPI2_POINTER PTR_MPI2_REQUEST_HEADER,
 756   MPI2RequestHeader_t, MPI2_POINTER pMPI2RequestHeader_t;
 757 
 758 
 759 /****************************************************************************
 760 *  Default Reply
 761 ****************************************************************************/
 762 
 763 typedef struct _MPI2_DEFAULT_REPLY
 764 {
 765     U16             FunctionDependent1;         /* 0x00 */
 766     U8              MsgLength;                  /* 0x02 */
 767     U8              Function;                   /* 0x03 */
 768     U16             FunctionDependent2;         /* 0x04 */
 769     U8              FunctionDependent3;         /* 0x06 */
 770     U8              MsgFlags;                   /* 0x07 */
 771     U8              VP_ID;                      /* 0x08 */
 772     U8              VF_ID;                      /* 0x09 */
 773     U16             Reserved1;                  /* 0x0A */
 774     U16             FunctionDependent5;         /* 0x0C */
 775     U16             IOCStatus;                  /* 0x0E */
 776     U32             IOCLogInfo;                 /* 0x10 */
 777 } MPI2_DEFAULT_REPLY, MPI2_POINTER PTR_MPI2_DEFAULT_REPLY,
 778   MPI2DefaultReply_t, MPI2_POINTER pMPI2DefaultReply_t;
 779 
 780 
 781 /* common version structure/union used in messages and configuration pages */
 782 
 783 typedef struct _MPI2_VERSION_STRUCT
 784 {
 785     U8                      Dev;                        /* 0x00 */
 786     U8                      Unit;                       /* 0x01 */
 787     U8                      Minor;                      /* 0x02 */
 788     U8                      Major;                      /* 0x03 */
 789 } MPI2_VERSION_STRUCT;
 790 
 791 typedef union _MPI2_VERSION_UNION
 792 {
 793     MPI2_VERSION_STRUCT     Struct;
 794     U32                     Word;
 795 } MPI2_VERSION_UNION;
 796 
 797 
 798 /* LUN field defines, common to many structures */
 799 #define MPI2_LUN_FIRST_LEVEL_ADDRESSING             (0x0000FFFF)
 800 #define MPI2_LUN_SECOND_LEVEL_ADDRESSING            (0xFFFF0000)
 801 #define MPI2_LUN_THIRD_LEVEL_ADDRESSING             (0x0000FFFF)
 802 #define MPI2_LUN_FOURTH_LEVEL_ADDRESSING            (0xFFFF0000)
 803 #define MPI2_LUN_LEVEL_1_WORD                       (0xFF00)
 804 #define MPI2_LUN_LEVEL_1_DWORD                      (0x0000FF00)
 805 
 806 
 807 /*****************************************************************************
 808 *
 809 *        Fusion-MPT MPI Scatter Gather Elements
 810 *
 811 *****************************************************************************/
 812 
 813 /****************************************************************************
 814 *  MPI Simple Element structures
 815 ****************************************************************************/
 816 
 817 typedef struct _MPI2_SGE_SIMPLE32
 818 {
 819     U32                     FlagsLength;
 820     U32                     Address;
 821 } MPI2_SGE_SIMPLE32, MPI2_POINTER PTR_MPI2_SGE_SIMPLE32,
 822   Mpi2SGESimple32_t, MPI2_POINTER pMpi2SGESimple32_t;
 823 
 824 typedef struct _MPI2_SGE_SIMPLE64
 825 {
 826     U32                     FlagsLength;
 827     U64                     Address;
 828 } MPI2_SGE_SIMPLE64, MPI2_POINTER PTR_MPI2_SGE_SIMPLE64,
 829   Mpi2SGESimple64_t, MPI2_POINTER pMpi2SGESimple64_t;
 830 
 831 typedef struct _MPI2_SGE_SIMPLE_UNION
 832 {
 833     U32                     FlagsLength;
 834     union
 835     {
 836         U32                 Address32;
 837         U64                 Address64;
 838     } u;
 839 } MPI2_SGE_SIMPLE_UNION, MPI2_POINTER PTR_MPI2_SGE_SIMPLE_UNION,
 840   Mpi2SGESimpleUnion_t, MPI2_POINTER pMpi2SGESimpleUnion_t;
 841 
 842 
 843 /****************************************************************************
 844 *  MPI Chain Element structures - for MPI v2.0 products only
 845 ****************************************************************************/
 846 
 847 typedef struct _MPI2_SGE_CHAIN32
 848 {
 849     U16                     Length;
 850     U8                      NextChainOffset;
 851     U8                      Flags;
 852     U32                     Address;
 853 } MPI2_SGE_CHAIN32, MPI2_POINTER PTR_MPI2_SGE_CHAIN32,
 854   Mpi2SGEChain32_t, MPI2_POINTER pMpi2SGEChain32_t;
 855 
 856 typedef struct _MPI2_SGE_CHAIN64
 857 {
 858     U16                     Length;
 859     U8                      NextChainOffset;
 860     U8                      Flags;
 861     U64                     Address;
 862 } MPI2_SGE_CHAIN64, MPI2_POINTER PTR_MPI2_SGE_CHAIN64,
 863   Mpi2SGEChain64_t, MPI2_POINTER pMpi2SGEChain64_t;
 864 
 865 typedef struct _MPI2_SGE_CHAIN_UNION
 866 {
 867     U16                     Length;
 868     U8                      NextChainOffset;
 869     U8                      Flags;
 870     union
 871     {
 872         U32                 Address32;
 873         U64                 Address64;
 874     } u;
 875 } MPI2_SGE_CHAIN_UNION, MPI2_POINTER PTR_MPI2_SGE_CHAIN_UNION,
 876   Mpi2SGEChainUnion_t, MPI2_POINTER pMpi2SGEChainUnion_t;
 877 
 878 
 879 /****************************************************************************
 880 *  MPI Transaction Context Element structures - for MPI v2.0 products only
 881 ****************************************************************************/
 882 
 883 typedef struct _MPI2_SGE_TRANSACTION32
 884 {
 885     U8                      Reserved;
 886     U8                      ContextSize;
 887     U8                      DetailsLength;
 888     U8                      Flags;
 889     U32                     TransactionContext[1];
 890     U32                     TransactionDetails[1];
 891 } MPI2_SGE_TRANSACTION32, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION32,
 892   Mpi2SGETransaction32_t, MPI2_POINTER pMpi2SGETransaction32_t;
 893 
 894 typedef struct _MPI2_SGE_TRANSACTION64
 895 {
 896     U8                      Reserved;
 897     U8                      ContextSize;
 898     U8                      DetailsLength;
 899     U8                      Flags;
 900     U32                     TransactionContext[2];
 901     U32                     TransactionDetails[1];
 902 } MPI2_SGE_TRANSACTION64, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION64,
 903   Mpi2SGETransaction64_t, MPI2_POINTER pMpi2SGETransaction64_t;
 904 
 905 typedef struct _MPI2_SGE_TRANSACTION96
 906 {
 907     U8                      Reserved;
 908     U8                      ContextSize;
 909     U8                      DetailsLength;
 910     U8                      Flags;
 911     U32                     TransactionContext[3];
 912     U32                     TransactionDetails[1];
 913 } MPI2_SGE_TRANSACTION96, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION96,
 914   Mpi2SGETransaction96_t, MPI2_POINTER pMpi2SGETransaction96_t;
 915 
 916 typedef struct _MPI2_SGE_TRANSACTION128
 917 {
 918     U8                      Reserved;
 919     U8                      ContextSize;
 920     U8                      DetailsLength;
 921     U8                      Flags;
 922     U32                     TransactionContext[4];
 923     U32                     TransactionDetails[1];
 924 } MPI2_SGE_TRANSACTION128, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION128,
 925   Mpi2SGETransaction_t128, MPI2_POINTER pMpi2SGETransaction_t128;
 926 
 927 typedef struct _MPI2_SGE_TRANSACTION_UNION
 928 {
 929     U8                      Reserved;
 930     U8                      ContextSize;
 931     U8                      DetailsLength;
 932     U8                      Flags;
 933     union
 934     {
 935         U32                 TransactionContext32[1];
 936         U32                 TransactionContext64[2];
 937         U32                 TransactionContext96[3];
 938         U32                 TransactionContext128[4];
 939     } u;
 940     U32                     TransactionDetails[1];
 941 } MPI2_SGE_TRANSACTION_UNION, MPI2_POINTER PTR_MPI2_SGE_TRANSACTION_UNION,
 942   Mpi2SGETransactionUnion_t, MPI2_POINTER pMpi2SGETransactionUnion_t;
 943 
 944 
 945 /****************************************************************************
 946 *  MPI SGE union for IO SGL's - for MPI v2.0 products only
 947 ****************************************************************************/
 948 
 949 typedef struct _MPI2_MPI_SGE_IO_UNION
 950 {
 951     union
 952     {
 953         MPI2_SGE_SIMPLE_UNION   Simple;
 954         MPI2_SGE_CHAIN_UNION    Chain;
 955     } u;
 956 } MPI2_MPI_SGE_IO_UNION, MPI2_POINTER PTR_MPI2_MPI_SGE_IO_UNION,
 957   Mpi2MpiSGEIOUnion_t, MPI2_POINTER pMpi2MpiSGEIOUnion_t;
 958 
 959 
 960 /****************************************************************************
 961 *  MPI SGE union for SGL's with Simple and Transaction elements - for MPI v2.0 products only
 962 ****************************************************************************/
 963 
 964 typedef struct _MPI2_SGE_TRANS_SIMPLE_UNION
 965 {
 966     union
 967     {
 968         MPI2_SGE_SIMPLE_UNION       Simple;
 969         MPI2_SGE_TRANSACTION_UNION  Transaction;
 970     } u;
 971 } MPI2_SGE_TRANS_SIMPLE_UNION, MPI2_POINTER PTR_MPI2_SGE_TRANS_SIMPLE_UNION,
 972   Mpi2SGETransSimpleUnion_t, MPI2_POINTER pMpi2SGETransSimpleUnion_t;
 973 
 974 
 975 /****************************************************************************
 976 *  All MPI SGE types union
 977 ****************************************************************************/
 978 
 979 typedef struct _MPI2_MPI_SGE_UNION
 980 {
 981     union
 982     {
 983         MPI2_SGE_SIMPLE_UNION       Simple;
 984         MPI2_SGE_CHAIN_UNION        Chain;
 985         MPI2_SGE_TRANSACTION_UNION  Transaction;
 986     } u;
 987 } MPI2_MPI_SGE_UNION, MPI2_POINTER PTR_MPI2_MPI_SGE_UNION,
 988   Mpi2MpiSgeUnion_t, MPI2_POINTER pMpi2MpiSgeUnion_t;
 989 
 990 
 991 /****************************************************************************
 992 *  MPI SGE field definition and masks
 993 ****************************************************************************/
 994 
 995 /* Flags field bit definitions */
 996 
 997 #define MPI2_SGE_FLAGS_LAST_ELEMENT             (0x80)
 998 #define MPI2_SGE_FLAGS_END_OF_BUFFER            (0x40)
 999 #define MPI2_SGE_FLAGS_ELEMENT_TYPE_MASK        (0x30)
1000 #define MPI2_SGE_FLAGS_LOCAL_ADDRESS            (0x08)
1001 #define MPI2_SGE_FLAGS_DIRECTION                (0x04)
1002 #define MPI2_SGE_FLAGS_ADDRESS_SIZE             (0x02)
1003 #define MPI2_SGE_FLAGS_END_OF_LIST              (0x01)
1004 
1005 #define MPI2_SGE_FLAGS_SHIFT                    (24)
1006 
1007 #define MPI2_SGE_LENGTH_MASK                    (0x00FFFFFF)
1008 #define MPI2_SGE_CHAIN_LENGTH_MASK              (0x0000FFFF)
1009 
1010 /* Element Type */
1011 
1012 #define MPI2_SGE_FLAGS_TRANSACTION_ELEMENT      (0x00) /* for MPI v2.0 products only */
1013 #define MPI2_SGE_FLAGS_SIMPLE_ELEMENT           (0x10)
1014 #define MPI2_SGE_FLAGS_CHAIN_ELEMENT            (0x30) /* for MPI v2.0 products only */
1015 #define MPI2_SGE_FLAGS_ELEMENT_MASK             (0x30)
1016 
1017 /* Address location */
1018 
1019 #define MPI2_SGE_FLAGS_SYSTEM_ADDRESS           (0x00)
1020 
1021 /* Direction */
1022 
1023 #define MPI2_SGE_FLAGS_IOC_TO_HOST              (0x00)
1024 #define MPI2_SGE_FLAGS_HOST_TO_IOC              (0x04)
1025 
1026 #define MPI2_SGE_FLAGS_DEST                     (MPI2_SGE_FLAGS_IOC_TO_HOST)
1027 #define MPI2_SGE_FLAGS_SOURCE                   (MPI2_SGE_FLAGS_HOST_TO_IOC)
1028 
1029 /* Address Size */
1030 
1031 #define MPI2_SGE_FLAGS_32_BIT_ADDRESSING        (0x00)
1032 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING        (0x02)
1033 
1034 /* Context Size */
1035 
1036 #define MPI2_SGE_FLAGS_32_BIT_CONTEXT           (0x00)
1037 #define MPI2_SGE_FLAGS_64_BIT_CONTEXT           (0x02)
1038 #define MPI2_SGE_FLAGS_96_BIT_CONTEXT           (0x04)
1039 #define MPI2_SGE_FLAGS_128_BIT_CONTEXT          (0x06)
1040 
1041 #define MPI2_SGE_CHAIN_OFFSET_MASK              (0x00FF0000)
1042 #define MPI2_SGE_CHAIN_OFFSET_SHIFT             (16)
1043 
1044 /****************************************************************************
1045 *  MPI SGE operation Macros
1046 ****************************************************************************/
1047 
1048 /* SIMPLE FlagsLength manipulations... */
1049 #define MPI2_SGE_SET_FLAGS(f)          ((U32)(f) << MPI2_SGE_FLAGS_SHIFT)
1050 #define MPI2_SGE_GET_FLAGS(f)          (((f) & ~MPI2_SGE_LENGTH_MASK) >> MPI2_SGE_FLAGS_SHIFT)
1051 #define MPI2_SGE_LENGTH(f)             ((f) & MPI2_SGE_LENGTH_MASK)
1052 #define MPI2_SGE_CHAIN_LENGTH(f)       ((f) & MPI2_SGE_CHAIN_LENGTH_MASK)
1053 
1054 #define MPI2_SGE_SET_FLAGS_LENGTH(f,l) (MPI2_SGE_SET_FLAGS(f) | MPI2_SGE_LENGTH(l))
1055 
1056 #define MPI2_pSGE_GET_FLAGS(psg)            MPI2_SGE_GET_FLAGS((psg)->FlagsLength)
1057 #define MPI2_pSGE_GET_LENGTH(psg)           MPI2_SGE_LENGTH((psg)->FlagsLength)
1058 #define MPI2_pSGE_SET_FLAGS_LENGTH(psg,f,l) (psg)->FlagsLength = MPI2_SGE_SET_FLAGS_LENGTH(f,l)
1059 
1060 /* CAUTION - The following are READ-MODIFY-WRITE! */
1061 #define MPI2_pSGE_SET_FLAGS(psg,f)      (psg)->FlagsLength |= MPI2_SGE_SET_FLAGS(f)
1062 #define MPI2_pSGE_SET_LENGTH(psg,l)     (psg)->FlagsLength |= MPI2_SGE_LENGTH(l)
1063 
1064 #define MPI2_GET_CHAIN_OFFSET(x)    ((x & MPI2_SGE_CHAIN_OFFSET_MASK) >> MPI2_SGE_CHAIN_OFFSET_SHIFT)
1065 
1066 
1067 /*****************************************************************************
1068 *
1069 *        Fusion-MPT IEEE Scatter Gather Elements
1070 *
1071 *****************************************************************************/
1072 
1073 /****************************************************************************
1074 *  IEEE Simple Element structures
1075 ****************************************************************************/
1076 
1077 /* MPI2_IEEE_SGE_SIMPLE32 is for MPI v2.0 products only */
1078 typedef struct _MPI2_IEEE_SGE_SIMPLE32
1079 {
1080     U32                     Address;
1081     U32                     FlagsLength;
1082 } MPI2_IEEE_SGE_SIMPLE32, MPI2_POINTER PTR_MPI2_IEEE_SGE_SIMPLE32,
1083   Mpi2IeeeSgeSimple32_t, MPI2_POINTER pMpi2IeeeSgeSimple32_t;
1084 
1085 typedef struct _MPI2_IEEE_SGE_SIMPLE64
1086 {
1087     U64                     Address;
1088     U32                     Length;
1089     U16                     Reserved1;
1090     U8                      Reserved2;
1091     U8                      Flags;
1092 } MPI2_IEEE_SGE_SIMPLE64, MPI2_POINTER PTR_MPI2_IEEE_SGE_SIMPLE64,
1093   Mpi2IeeeSgeSimple64_t, MPI2_POINTER pMpi2IeeeSgeSimple64_t;
1094 
1095 typedef union _MPI2_IEEE_SGE_SIMPLE_UNION
1096 {
1097     MPI2_IEEE_SGE_SIMPLE32  Simple32;
1098     MPI2_IEEE_SGE_SIMPLE64  Simple64;
1099 } MPI2_IEEE_SGE_SIMPLE_UNION, MPI2_POINTER PTR_MPI2_IEEE_SGE_SIMPLE_UNION,
1100   Mpi2IeeeSgeSimpleUnion_t, MPI2_POINTER pMpi2IeeeSgeSimpleUnion_t;
1101 
1102 
1103 /****************************************************************************
1104 *  IEEE Chain Element structures
1105 ****************************************************************************/
1106 
1107 /* MPI2_IEEE_SGE_CHAIN32 is for MPI v2.0 products only */
1108 typedef MPI2_IEEE_SGE_SIMPLE32  MPI2_IEEE_SGE_CHAIN32;
1109 
1110 /* MPI2_IEEE_SGE_CHAIN64 is for MPI v2.0 products only */
1111 typedef MPI2_IEEE_SGE_SIMPLE64  MPI2_IEEE_SGE_CHAIN64;
1112 
1113 typedef union _MPI2_IEEE_SGE_CHAIN_UNION
1114 {
1115     MPI2_IEEE_SGE_CHAIN32   Chain32;
1116     MPI2_IEEE_SGE_CHAIN64   Chain64;
1117 } MPI2_IEEE_SGE_CHAIN_UNION, MPI2_POINTER PTR_MPI2_IEEE_SGE_CHAIN_UNION,
1118   Mpi2IeeeSgeChainUnion_t, MPI2_POINTER pMpi2IeeeSgeChainUnion_t;
1119 
1120 /* MPI25_IEEE_SGE_CHAIN64 is for MPI v2.5 products only */
1121 typedef struct _MPI25_IEEE_SGE_CHAIN64
1122 {
1123     U64                     Address;
1124     U32                     Length;
1125     U16                     Reserved1;
1126     U8                      NextChainOffset;
1127     U8                      Flags;
1128 } MPI25_IEEE_SGE_CHAIN64, MPI2_POINTER PTR_MPI25_IEEE_SGE_CHAIN64,
1129   Mpi25IeeeSgeChain64_t, MPI2_POINTER pMpi25IeeeSgeChain64_t;
1130 
1131 
1132 /****************************************************************************
1133 *  All IEEE SGE types union
1134 ****************************************************************************/
1135 
1136 /* MPI2_IEEE_SGE_UNION is for MPI v2.0 products only */
1137 typedef struct _MPI2_IEEE_SGE_UNION
1138 {
1139     union
1140     {
1141         MPI2_IEEE_SGE_SIMPLE_UNION  Simple;
1142         MPI2_IEEE_SGE_CHAIN_UNION   Chain;
1143     } u;
1144 } MPI2_IEEE_SGE_UNION, MPI2_POINTER PTR_MPI2_IEEE_SGE_UNION,
1145   Mpi2IeeeSgeUnion_t, MPI2_POINTER pMpi2IeeeSgeUnion_t;
1146 
1147 
1148 /****************************************************************************
1149 *  IEEE SGE union for IO SGL's
1150 ****************************************************************************/
1151 
1152 typedef union _MPI25_SGE_IO_UNION
1153 {
1154     MPI2_IEEE_SGE_SIMPLE64      IeeeSimple;
1155     MPI25_IEEE_SGE_CHAIN64      IeeeChain;
1156 } MPI25_SGE_IO_UNION, MPI2_POINTER PTR_MPI25_SGE_IO_UNION,
1157   Mpi25SGEIOUnion_t, MPI2_POINTER pMpi25SGEIOUnion_t;
1158 
1159 
1160 /****************************************************************************
1161 *  IEEE SGE field definitions and masks
1162 ****************************************************************************/
1163 
1164 /* Flags field bit definitions */
1165 
1166 #define MPI2_IEEE_SGE_FLAGS_ELEMENT_TYPE_MASK   (0x80)
1167 #define MPI25_IEEE_SGE_FLAGS_END_OF_LIST        (0x40)
1168 
1169 #define MPI2_IEEE32_SGE_FLAGS_SHIFT             (24)
1170 
1171 #define MPI2_IEEE32_SGE_LENGTH_MASK             (0x00FFFFFF)
1172 
1173 /* Element Type */
1174 
1175 #define MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT      (0x00)
1176 #define MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT       (0x80)
1177 
1178 /* Data Location Address Space */
1179 
1180 #define MPI2_IEEE_SGE_FLAGS_ADDR_MASK           (0x03)
1181 #define MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR         (0x00) /* for MPI v2.0, use in IEEE Simple Element only; for MPI v2.5, use in IEEE Simple or Chain element */
1182 #define MPI2_IEEE_SGE_FLAGS_IOCDDR_ADDR         (0x01) /* use in IEEE Simple Element only */
1183 #define MPI2_IEEE_SGE_FLAGS_IOCPLB_ADDR         (0x02)
1184 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR      (0x03) /* for MPI v2.0, use in IEEE Simple Element only; for MPI v2.5, use in IEEE Simple or Chain element */
1185 #define MPI2_IEEE_SGE_FLAGS_SYSTEMPLBPCI_ADDR   (0x03) /* use in MPI v2.0 IEEE Chain Element only */
1186 #define MPI2_IEEE_SGE_FLAGS_SYSTEMPLBCPI_ADDR   (MPI2_IEEE_SGE_FLAGS_SYSTEMPLBPCI_ADDR) /* typo in name */
1187 
1188 /****************************************************************************
1189 *  IEEE SGE operation Macros
1190 ****************************************************************************/
1191 
1192 /* SIMPLE FlagsLength manipulations... */
1193 #define MPI2_IEEE32_SGE_SET_FLAGS(f)     ((U32)(f) << MPI2_IEEE32_SGE_FLAGS_SHIFT)
1194 #define MPI2_IEEE32_SGE_GET_FLAGS(f)     (((f) & ~MPI2_IEEE32_SGE_LENGTH_MASK) >> MPI2_IEEE32_SGE_FLAGS_SHIFT)
1195 #define MPI2_IEEE32_SGE_LENGTH(f)        ((f) & MPI2_IEEE32_SGE_LENGTH_MASK)
1196 
1197 #define MPI2_IEEE32_SGE_SET_FLAGS_LENGTH(f, l)      (MPI2_IEEE32_SGE_SET_FLAGS(f) | MPI2_IEEE32_SGE_LENGTH(l))
1198 
1199 #define MPI2_IEEE32_pSGE_GET_FLAGS(psg)             MPI2_IEEE32_SGE_GET_FLAGS((psg)->FlagsLength)
1200 #define MPI2_IEEE32_pSGE_GET_LENGTH(psg)            MPI2_IEEE32_SGE_LENGTH((psg)->FlagsLength)
1201 #define MPI2_IEEE32_pSGE_SET_FLAGS_LENGTH(psg,f,l)  (psg)->FlagsLength = MPI2_IEEE32_SGE_SET_FLAGS_LENGTH(f,l)
1202 
1203 /* CAUTION - The following are READ-MODIFY-WRITE! */
1204 #define MPI2_IEEE32_pSGE_SET_FLAGS(psg,f)    (psg)->FlagsLength |= MPI2_IEEE32_SGE_SET_FLAGS(f)
1205 #define MPI2_IEEE32_pSGE_SET_LENGTH(psg,l)   (psg)->FlagsLength |= MPI2_IEEE32_SGE_LENGTH(l)
1206 
1207 
1208 
1209 /*****************************************************************************
1210 *
1211 *        Fusion-MPT MPI/IEEE Scatter Gather Unions
1212 *
1213 *****************************************************************************/
1214 
1215 typedef union _MPI2_SIMPLE_SGE_UNION
1216 {
1217     MPI2_SGE_SIMPLE_UNION       MpiSimple;
1218     MPI2_IEEE_SGE_SIMPLE_UNION  IeeeSimple;
1219 } MPI2_SIMPLE_SGE_UNION, MPI2_POINTER PTR_MPI2_SIMPLE_SGE_UNION,
1220   Mpi2SimpleSgeUntion_t, MPI2_POINTER pMpi2SimpleSgeUntion_t;
1221 
1222 
1223 typedef union _MPI2_SGE_IO_UNION
1224 {
1225     MPI2_SGE_SIMPLE_UNION       MpiSimple;
1226     MPI2_SGE_CHAIN_UNION        MpiChain;
1227     MPI2_IEEE_SGE_SIMPLE_UNION  IeeeSimple;
1228     MPI2_IEEE_SGE_CHAIN_UNION   IeeeChain;
1229 } MPI2_SGE_IO_UNION, MPI2_POINTER PTR_MPI2_SGE_IO_UNION,
1230   Mpi2SGEIOUnion_t, MPI2_POINTER pMpi2SGEIOUnion_t;
1231 
1232 
1233 /****************************************************************************
1234 *
1235 *  Values for SGLFlags field, used in many request messages with an SGL
1236 *
1237 ****************************************************************************/
1238 
1239 /* values for MPI SGL Data Location Address Space subfield */
1240 #define MPI2_SGLFLAGS_ADDRESS_SPACE_MASK            (0x0C)
1241 #define MPI2_SGLFLAGS_SYSTEM_ADDRESS_SPACE          (0x00)
1242 #define MPI2_SGLFLAGS_IOCDDR_ADDRESS_SPACE          (0x04)
1243 #define MPI2_SGLFLAGS_IOCPLB_ADDRESS_SPACE          (0x08)
1244 #define MPI2_SGLFLAGS_IOCPLBNTA_ADDRESS_SPACE       (0x0C)
1245 /* values for SGL Type subfield */
1246 #define MPI2_SGLFLAGS_SGL_TYPE_MASK                 (0x03)
1247 #define MPI2_SGLFLAGS_SGL_TYPE_MPI                  (0x00)
1248 #define MPI2_SGLFLAGS_SGL_TYPE_IEEE32               (0x01) /* MPI v2.0 products only */
1249 #define MPI2_SGLFLAGS_SGL_TYPE_IEEE64               (0x02)
1250 
1251 
1252 #endif
1253