drivers/message/fusion/mptbase.h

   1 /*
   2  *  linux/drivers/message/fusion/mptbase.h
   3  *      High performance SCSI + LAN / Fibre Channel device drivers.
   4  *      For use with PCI chip/adapter(s):
   5  *          LSIFC9xx/LSI409xx Fibre Channel
   6  *      running LSI Fusion MPT (Message Passing Technology) firmware.
   7  *
   8  *  Copyright (c) 1999-2008 LSI Corporation
   9  *  (mailto:DL-MPTFusionLinux@lsi.com)
  10  *
  11  */
  12 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  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 as published by
  16     the Free Software Foundation; version 2 of the License.
  17
  18     This program is distributed in the hope that it will be useful,
  19     but WITHOUT ANY WARRANTY; without even the implied warranty of
  20     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21     GNU General Public License for more details.
  22
  23     NO WARRANTY
  24     THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
  25     CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
  26     LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
  27     MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
  28     solely responsible for determining the appropriateness of using and
  29     distributing the Program and assumes all risks associated with its
  30     exercise of rights under this Agreement, including but not limited to
  31     the risks and costs of program errors, damage to or loss of data,
  32     programs or equipment, and unavailability or interruption of operations.
  33
  34     DISCLAIMER OF LIABILITY
  35     NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
  36     DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  37     DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
  38     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  39     TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  40     USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
  41     HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
  42
  43     You should have received a copy of the GNU General Public License
  44     along with this program; if not, write to the Free Software
  45     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  46 */
  47
  48 #ifndef MPTBASE_H_INCLUDED
  49 #define MPTBASE_H_INCLUDED
  50 /*{-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  51
  52 #include <linux/kernel.h>
  53 #include <linux/pci.h>
  54 #include <linux/mutex.h>
  55
  56 #include "lsi/mpi_type.h"
  57 #include "lsi/mpi.h"            /* Fusion MPI(nterface) basic defs */
  58 #include "lsi/mpi_ioc.h"        /* Fusion MPT IOC(ontroller) defs */
  59 #include "lsi/mpi_cnfg.h"       /* IOC configuration support */
  60 #include "lsi/mpi_init.h"       /* SCSI Host (initiator) protocol support */
  61 #include "lsi/mpi_lan.h"        /* LAN over FC protocol support */
  62 #include "lsi/mpi_raid.h"       /* Integrated Mirroring support */
  63
  64 #include "lsi/mpi_fc.h"         /* Fibre Channel (lowlevel) support */
  65 #include "lsi/mpi_targ.h"       /* SCSI/FCP Target protcol support */
  66 #include "lsi/mpi_tool.h"       /* Tools support */
  67 #include "lsi/mpi_sas.h"        /* SAS support */
  68
  69 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  70
  71 #ifndef MODULEAUTHOR
  72 #define MODULEAUTHOR    "LSI Corporation"
  73 #endif
  74
  75 #ifndef COPYRIGHT
  76 #define COPYRIGHT       "Copyright (c) 1999-2008 " MODULEAUTHOR
  77 #endif
  78
  79 #define MPT_LINUX_VERSION_COMMON        "3.04.08"
  80 #define MPT_LINUX_PACKAGE_NAME          "@(#)mptlinux-3.04.08"
  81 #define WHAT_MAGIC_STRING               "@" "(" "#" ")"
  82
  83 #define show_mptmod_ver(s,ver)  \
  84         printk(KERN_INFO "%s %s\n", s, ver);
  85
  86 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  87 /*
  88  *  Fusion MPT(linux) driver configurable stuff...
  89  */
  90 #define MPT_MAX_ADAPTERS                18
  91 #define MPT_MAX_PROTOCOL_DRIVERS        16
  92 #define MPT_MAX_BUS                     1       /* Do not change */
  93 #define MPT_MAX_FC_DEVICES              255
  94 #define MPT_MAX_SCSI_DEVICES            16
  95 #define MPT_LAST_LUN                    255
  96 #define MPT_SENSE_BUFFER_ALLOC          64
  97         /* allow for 256 max sense alloc, but only 255 max request */
  98 #if MPT_SENSE_BUFFER_ALLOC >= 256
  99 #       undef MPT_SENSE_BUFFER_ALLOC
 100 #       define MPT_SENSE_BUFFER_ALLOC   256
 101 #       define MPT_SENSE_BUFFER_SIZE    255
 102 #else
 103 #       define MPT_SENSE_BUFFER_SIZE    MPT_SENSE_BUFFER_ALLOC
 104 #endif
 105
 106 #define MPT_NAME_LENGTH                 32
 107
 108 #define MPT_PROCFS_MPTBASEDIR           "mpt"
 109                                                 /* chg it to "driver/fusion" ? */
 110 #define MPT_PROCFS_SUMMARY_ALL_NODE             MPT_PROCFS_MPTBASEDIR "/summary"
 111 #define MPT_PROCFS_SUMMARY_ALL_PATHNAME         "/proc/" MPT_PROCFS_SUMMARY_ALL_NODE
 112 #define MPT_FW_REV_MAGIC_ID_STRING              "FwRev="
 113
 114 #define  MPT_MAX_REQ_DEPTH              1023
 115 #define  MPT_DEFAULT_REQ_DEPTH          256
 116 #define  MPT_MIN_REQ_DEPTH              128
 117
 118 #define  MPT_MAX_REPLY_DEPTH            MPT_MAX_REQ_DEPTH
 119 #define  MPT_DEFAULT_REPLY_DEPTH        128
 120 #define  MPT_MIN_REPLY_DEPTH            8
 121 #define  MPT_MAX_REPLIES_PER_ISR        32
 122
 123 #define  MPT_MAX_FRAME_SIZE             128
 124 #define  MPT_DEFAULT_FRAME_SIZE         128
 125
 126 #define  MPT_REPLY_FRAME_SIZE           0x50  /* Must be a multiple of 8 */
 127
 128 #define  MPT_SG_REQ_128_SCALE           1
 129 #define  MPT_SG_REQ_96_SCALE            2
 130 #define  MPT_SG_REQ_64_SCALE            4
 131
 132 #define  CAN_SLEEP                      1
 133 #define  NO_SLEEP                       0
 134
 135 #define MPT_COALESCING_TIMEOUT          0x10
 136
 137
 138 /*
 139  * SCSI transfer rate defines.
 140  */
 141 #define MPT_ULTRA320                    0x08
 142 #define MPT_ULTRA160                    0x09
 143 #define MPT_ULTRA2                      0x0A
 144 #define MPT_ULTRA                       0x0C
 145 #define MPT_FAST                        0x19
 146 #define MPT_SCSI                        0x32
 147 #define MPT_ASYNC                       0xFF
 148
 149 #define MPT_NARROW                      0
 150 #define MPT_WIDE                        1
 151
 152 #define C0_1030                         0x08
 153 #define XL_929                          0x01
 154
 155
 156 /*
 157  *      Try to keep these at 2^N-1
 158  */
 159 #define MPT_FC_CAN_QUEUE        127
 160 #define MPT_SCSI_CAN_QUEUE      127
 161
 162 /*
 163  * Set the MAX_SGE value based on user input.
 164  */
 165 #ifdef  CONFIG_FUSION_MAX_SGE
 166 #if     CONFIG_FUSION_MAX_SGE  < 16
 167 #define MPT_SCSI_SG_DEPTH       16
 168 #elif   CONFIG_FUSION_MAX_SGE  > 128
 169 #define MPT_SCSI_SG_DEPTH       128
 170 #else
 171 #define MPT_SCSI_SG_DEPTH       CONFIG_FUSION_MAX_SGE
 172 #endif
 173 #else
 174 #define MPT_SCSI_SG_DEPTH       40
 175 #endif
 176
 177 /* debug print string length used for events and iocstatus */
 178 # define EVENT_DESCR_STR_SZ             100
 179
 180 #define MPT_POLLING_INTERVAL            1000    /* in milliseconds */
 181
 182 #ifdef __KERNEL__       /* { */
 183 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 184
 185 #include <linux/proc_fs.h>
 186
 187 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 188 /*
 189  * Attempt semi-consistent error & warning msgs across
 190  * MPT drivers.  NOTE: Users of these macro defs must
 191  * themselves define their own MYNAM.
 192  */
 193 #define MYIOC_s_FMT                     MYNAM ": %s: "
 194 #define MYIOC_s_DEBUG_FMT               KERN_DEBUG MYNAM ": %s: "
 195 #define MYIOC_s_INFO_FMT                KERN_INFO MYNAM ": %s: "
 196 #define MYIOC_s_NOTE_FMT                KERN_NOTICE MYNAM ": %s: "
 197 #define MYIOC_s_WARN_FMT                KERN_WARNING MYNAM ": %s: WARNING - "
 198 #define MYIOC_s_ERR_FMT                 KERN_ERR MYNAM ": %s: ERROR - "
 199
 200 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 201 /*
 202  *  ATTO UL4D associated structures and defines
 203  */
 204 #define ATTOFLAG_DISC     0x0001
 205 #define ATTOFLAG_TAGGED   0x0002
 206 #define ATTOFLAG_WIDE_ENB 0x0008
 207 #define ATTOFLAG_ID_ENB   0x0010
 208 #define ATTOFLAG_LUN_ENB  0x0060
 209
 210 typedef struct _ATTO_DEVICE_INFO
 211 {
 212         u8      Offset;                                 /* 00h */
 213         u8      Period;                                 /* 01h */
 214         u16     ATTOFlags;                              /* 02h */
 215 } ATTO_DEVICE_INFO, MPI_POINTER PTR_ATTO_DEVICE_INFO,
 216   ATTODeviceInfo_t, MPI_POINTER pATTODeviceInfo_t;
 217
 218 typedef struct _ATTO_CONFIG_PAGE_SCSI_PORT_2
 219 {
 220         CONFIG_PAGE_HEADER      Header;                 /* 00h */
 221         u16                     PortFlags;              /* 04h */
 222         u16                     Unused1;                /* 06h */
 223         u32                     Unused2;                /* 08h */
 224         ATTO_DEVICE_INFO        DeviceSettings[16];     /* 0Ch */
 225 } fATTO_CONFIG_PAGE_SCSI_PORT_2, MPI_POINTER PTR_ATTO_CONFIG_PAGE_SCSI_PORT_2,
 226   ATTO_SCSIPortPage2_t, MPI_POINTER pATTO_SCSIPortPage2_t;
 227
 228
 229 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 230 /*
 231  *  MPT protocol driver defs...
 232  */
 233 typedef enum {
 234         MPTBASE_DRIVER,         /* MPT base class */
 235         MPTCTL_DRIVER,          /* MPT ioctl class */
 236         MPTSPI_DRIVER,          /* MPT SPI host class */
 237         MPTFC_DRIVER,           /* MPT FC host class */
 238         MPTSAS_DRIVER,          /* MPT SAS host class */
 239         MPTLAN_DRIVER,          /* MPT LAN class */
 240         MPTSTM_DRIVER,          /* MPT SCSI target mode class */
 241         MPTUNKNOWN_DRIVER
 242 } MPT_DRIVER_CLASS;
 243
 244 struct mpt_pci_driver{
 245         int  (*probe) (struct pci_dev *dev, const struct pci_device_id *id);
 246         void (*remove) (struct pci_dev *dev);
 247 };
 248
 249 /*
 250  *  MPT adapter / port / bus / device info structures...
 251  */
 252
 253 typedef union _MPT_FRAME_TRACKER {
 254         struct {
 255                 struct list_head        list;
 256                 u32                      arg1;
 257                 u32                      pad;
 258                 void                    *argp1;
 259         } linkage;
 260         /*
 261          * NOTE: When request frames are free, on the linkage structure
 262          * contets are valid.  All other values are invalid.
 263          * In particular, do NOT reply on offset [2]
 264          * (in words) being the * message context.
 265          * The message context must be reset (computed via base address
 266          * + an offset) prior to issuing any command.
 267          *
 268          * NOTE2: On non-32-bit systems, where pointers are LARGE,
 269          * using the linkage pointers destroys our sacred MsgContext
 270          * field contents.  But we don't care anymore because these
 271          * are now reset in mpt_put_msg_frame() just prior to sending
 272          * a request off to the IOC.
 273          */
 274         struct {
 275                 u32 __hdr[2];
 276                 /*
 277                  * The following _MUST_ match the location of the
 278                  * MsgContext field in the MPT message headers.
 279                  */
 280                 union {
 281                         u32              MsgContext;
 282                         struct {
 283                                 u16      req_idx;       /* Request index */
 284                                 u8       cb_idx;        /* callback function index */
 285                                 u8       rsvd;
 286                         } fld;
 287                 } msgctxu;
 288         } hwhdr;
 289         /*
 290          * Remark: 32 bit identifier:
 291          *  31-24: reserved
 292          *  23-16: call back index
 293          *  15-0 : request index
 294          */
 295 } MPT_FRAME_TRACKER;
 296
 297 /*
 298  *  We might want to view/access a frame as:
 299  *    1) generic request header
 300  *    2) SCSIIORequest
 301  *    3) SCSIIOReply
 302  *    4) MPIDefaultReply
 303  *    5) frame tracker
 304  */
 305 typedef struct _MPT_FRAME_HDR {
 306         union {
 307                 MPIHeader_t             hdr;
 308                 SCSIIORequest_t         scsireq;
 309                 SCSIIOReply_t           sreply;
 310                 ConfigReply_t           configreply;
 311                 MPIDefaultReply_t       reply;
 312                 MPT_FRAME_TRACKER       frame;
 313         } u;
 314 } MPT_FRAME_HDR;
 315
 316 #define MPT_REQ_MSGFLAGS_DROPME         0x80
 317
 318 typedef struct _MPT_SGL_HDR {
 319         SGESimple32_t    sge[1];
 320 } MPT_SGL_HDR;
 321
 322 typedef struct _MPT_SGL64_HDR {
 323         SGESimple64_t    sge[1];
 324 } MPT_SGL64_HDR;
 325
 326 /*
 327  *  System interface register set
 328  */
 329
 330 typedef struct _SYSIF_REGS
 331 {
 332         u32     Doorbell;       /* 00     System<->IOC Doorbell reg  */
 333         u32     WriteSequence;  /* 04     Write Sequence register    */
 334         u32     Diagnostic;     /* 08     Diagnostic register        */
 335         u32     TestBase;       /* 0C     Test Base Address          */
 336         u32     DiagRwData;     /* 10     Read Write Data (fw download)   */
 337         u32     DiagRwAddress;  /* 14     Read Write Address (fw download)*/
 338         u32     Reserved1[6];   /* 18-2F  reserved for future use    */
 339         u32     IntStatus;      /* 30     Interrupt Status           */
 340         u32     IntMask;        /* 34     Interrupt Mask             */
 341         u32     Reserved2[2];   /* 38-3F  reserved for future use    */
 342         u32     RequestFifo;    /* 40     Request Post/Free FIFO     */
 343         u32     ReplyFifo;      /* 44     Reply   Post/Free FIFO     */
 344         u32     RequestHiPriFifo; /* 48   Hi Priority Request FIFO   */
 345         u32     Reserved3;      /* 4C-4F  reserved for future use    */
 346         u32     HostIndex;      /* 50     Host Index register        */
 347         u32     Reserved4[15];  /* 54-8F                             */
 348         u32     Fubar;          /* 90     For Fubar usage            */
 349         u32     Reserved5[1050];/* 94-10F8                           */
 350         u32     Reset_1078;     /* 10FC   Reset 1078                 */
 351 } SYSIF_REGS;
 352
 353 /*
 354  * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
 355  * in conjunction with SYSIF_REGS accesses!
 356  */
 357
 358
 359 /*
 360  *      Dynamic Multi-Pathing specific stuff...
 361  */
 362
 363 /* VirtTarget negoFlags field */
 364 #define MPT_TARGET_NO_NEGO_WIDE         0x01
 365 #define MPT_TARGET_NO_NEGO_SYNC         0x02
 366 #define MPT_TARGET_NO_NEGO_QAS          0x04
 367 #define MPT_TAPE_NEGO_IDP               0x08
 368
 369 /*
 370  *      VirtDevice - FC LUN device or SCSI target device
 371  */
 372 typedef struct _VirtTarget {
 373         struct scsi_target      *starget;
 374         u8                       tflags;
 375         u8                       ioc_id;
 376         u8                       id;
 377         u8                       channel;
 378         u8                       minSyncFactor; /* 0xFF is async */
 379         u8                       maxOffset;     /* 0 if async */
 380         u8                       maxWidth;      /* 0 if narrow, 1 if wide */
 381         u8                       negoFlags;     /* bit field, see above */
 382         u8                       raidVolume;    /* set, if RAID Volume */
 383         u8                       type;          /* byte 0 of Inquiry data */
 384         u8                       deleted;       /* target in process of being removed */
 385         u32                      num_luns;
 386 } VirtTarget;
 387
 388 typedef struct _VirtDevice {
 389         VirtTarget              *vtarget;
 390         u8                       configured_lun;
 391         int                      lun;
 392 } VirtDevice;
 393
 394 /*
 395  *  Fibre Channel (SCSI) target device and associated defines...
 396  */
 397 #define MPT_TARGET_DEFAULT_DV_STATUS    0x00
 398 #define MPT_TARGET_FLAGS_VALID_NEGO     0x01
 399 #define MPT_TARGET_FLAGS_VALID_INQUIRY  0x02
 400 #define MPT_TARGET_FLAGS_Q_YES          0x08
 401 #define MPT_TARGET_FLAGS_VALID_56       0x10
 402 #define MPT_TARGET_FLAGS_SAF_TE_ISSUED  0x20
 403 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x40
 404 #define MPT_TARGET_FLAGS_LED_ON         0x80
 405
 406 /*
 407  *      /proc/mpt interface
 408  */
 409 typedef struct {
 410         const char      *name;
 411         mode_t           mode;
 412         int              pad;
 413         read_proc_t     *read_proc;
 414         write_proc_t    *write_proc;
 415 } mpt_proc_entry_t;
 416
 417 #define MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len) \
 418 do { \
 419         len -= offset;                  \
 420         if (len < request) {            \
 421                 *eof = 1;               \
 422                 if (len <= 0)           \
 423                         return 0;       \
 424         } else                          \
 425                 len = request;          \
 426         *start = buf + offset;          \
 427         return len;                     \
 428 } while (0)
 429
 430
 431 /*
 432  *      IOCTL structure and associated defines
 433  */
 434
 435 #define MPTCTL_RESET_OK                 0x01    /* Issue Bus Reset */
 436
 437 typedef struct _MPT_IOCTL {
 438         struct _MPT_ADAPTER     *ioc;
 439         u8                       ReplyFrame[MPT_DEFAULT_FRAME_SIZE];    /* reply frame data */
 440         u8                       sense[MPT_SENSE_BUFFER_ALLOC];
 441         int                      wait_done;     /* wake-up value for this ioc */
 442         u8                       rsvd;
 443         u8                       status;        /* current command status */
 444         u8                       reset;         /* 1 if bus reset allowed */
 445         u8                       id;            /* target for reset */
 446         struct mutex             ioctl_mutex;
 447 } MPT_IOCTL;
 448
 449 #define MPT_MGMT_STATUS_RF_VALID        0x01    /* The Reply Frame is VALID */
 450 #define MPT_MGMT_STATUS_COMMAND_GOOD    0x02    /* Command Status GOOD */
 451 #define MPT_MGMT_STATUS_PENDING         0x04    /* command is pending */
 452 #define MPT_MGMT_STATUS_DID_IOCRESET    0x08    /* IOC Reset occurred
 453                                                    on the current*/
 454 #define MPT_MGMT_STATUS_SENSE_VALID     0x10    /* valid sense info */
 455 #define MPT_MGMT_STATUS_TIMER_ACTIVE    0x20    /* obsolete */
 456 #define MPT_MGMT_STATUS_FREE_MF         0x40    /* free the mf from
 457                                                    complete routine */
 458
 459 #define INITIALIZE_MGMT_STATUS(status) \
 460         status = MPT_MGMT_STATUS_PENDING;
 461 #define CLEAR_MGMT_STATUS(status) \
 462         status = 0;
 463
 464 typedef struct _MPT_MGMT {
 465         struct mutex             mutex;
 466         struct completion        done;
 467         u8                       reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
 468         u8                       sense[MPT_SENSE_BUFFER_ALLOC];
 469         u8                       status;        /* current command status */
 470         int                      completion_code;
 471 } MPT_MGMT;
 472
 473 /*
 474  *  Event Structure and define
 475  */
 476 #define MPTCTL_EVENT_LOG_SIZE           (0x000000032)
 477 typedef struct _mpt_ioctl_events {
 478         u32     event;          /* Specified by define above */
 479         u32     eventContext;   /* Index or counter */
 480         u32     data[2];        /* First 8 bytes of Event Data */
 481 } MPT_IOCTL_EVENTS;
 482
 483 /*
 484  * CONFIGPARM status  defines
 485  */
 486 #define MPT_CONFIG_GOOD         MPI_IOCSTATUS_SUCCESS
 487 #define MPT_CONFIG_ERROR        0x002F
 488
 489 /*
 490  *      Substructure to store SCSI specific configuration page data
 491  */
 492                                                 /* dvStatus defines: */
 493 #define MPT_SCSICFG_USE_NVRAM           0x01    /* WriteSDP1 using NVRAM */
 494 #define MPT_SCSICFG_ALL_IDS             0x02    /* WriteSDP1 to all IDS */
 495 /* #define MPT_SCSICFG_BLK_NEGO         0x10       WriteSDP1 with WDTR and SDTR disabled */
 496
 497 typedef struct _SpiCfgData {
 498         u32              PortFlags;
 499         int             *nvram;                 /* table of device NVRAM values */
 500         IOCPage4_t      *pIocPg4;               /* SEP devices addressing */
 501         dma_addr_t       IocPg4_dma;            /* Phys Addr of IOCPage4 data */
 502         int              IocPg4Sz;              /* IOCPage4 size */
 503         u8               minSyncFactor;         /* 0xFF if async */
 504         u8               maxSyncOffset;         /* 0 if async */
 505         u8               maxBusWidth;           /* 0 if narrow, 1 if wide */
 506         u8               busType;               /* SE, LVD, HD */
 507         u8               sdp1version;           /* SDP1 version */
 508         u8               sdp1length;            /* SDP1 length  */
 509         u8               sdp0version;           /* SDP0 version */
 510         u8               sdp0length;            /* SDP0 length  */
 511         u8               dvScheduled;           /* 1 if scheduled */
 512         u8               noQas;                 /* Disable QAS for this adapter */
 513         u8               Saf_Te;                /* 1 to force all Processors as
 514                                                  * SAF-TE if Inquiry data length
 515                                                  * is too short to check for SAF-TE
 516                                                  */
 517         u8               bus_reset;             /* 1 to allow bus reset */
 518         u8               rsvd[1];
 519 }SpiCfgData;
 520
 521 typedef struct _SasCfgData {
 522         u8               ptClear;               /* 1 to automatically clear the
 523                                                  * persistent table.
 524                                                  * 0 to disable
 525                                                  * automatic clearing.
 526                                                  */
 527 }SasCfgData;
 528
 529 /*
 530  * Inactive volume link list of raid component data
 531  * @inactive_list
 532  */
 533 struct inactive_raid_component_info {
 534         struct   list_head list;
 535         u8               volumeID;              /* volume target id */
 536         u8               volumeBus;             /* volume channel */
 537         IOC_3_PHYS_DISK  d;                     /* phys disk info */
 538 };
 539
 540 typedef struct _RaidCfgData {
 541         IOCPage2_t      *pIocPg2;               /* table of Raid Volumes */
 542         IOCPage3_t      *pIocPg3;               /* table of physical disks */
 543         struct mutex    inactive_list_mutex;
 544         struct list_head        inactive_list; /* link list for physical
 545                                                 disk that belong in
 546                                                 inactive volumes */
 547 }RaidCfgData;
 548
 549 typedef struct _FcCfgData {
 550         /* will ultimately hold fc_port_page0 also */
 551         struct {
 552                 FCPortPage1_t   *data;
 553                 dma_addr_t       dma;
 554                 int              pg_sz;
 555         }                        fc_port_page1[2];
 556 } FcCfgData;
 557
 558 #define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01    /* rport registered */
 559 #define MPT_RPORT_INFO_FLAGS_MISSING    0x02    /* missing from DevPage0 scan */
 560
 561 /*
 562  * data allocated for each fc rport device
 563  */
 564 struct mptfc_rport_info
 565 {
 566         struct list_head list;
 567         struct fc_rport *rport;
 568         struct scsi_target *starget;
 569         FCDevicePage0_t pg0;
 570         u8              flags;
 571 };
 572
 573 typedef void (*MPT_ADD_SGE)(void *pAddr, u32 flagslength, dma_addr_t dma_addr);
 574 typedef void (*MPT_ADD_CHAIN)(void *pAddr, u8 next, u16 length,
 575                 dma_addr_t dma_addr);
 576
 577 /*
 578  *  Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
 579  */
 580 typedef struct _MPT_ADAPTER
 581 {
 582         int                      id;            /* Unique adapter id N {0,1,2,...} */
 583         int                      pci_irq;       /* This irq           */
 584         char                     name[MPT_NAME_LENGTH]; /* "iocN"             */
 585         char                     prod_name[MPT_NAME_LENGTH];    /* "LSIFC9x9"         */
 586         char                     board_name[16];
 587         char                     board_assembly[16];
 588         char                     board_tracer[16];
 589         u16                      nvdata_version_persistent;
 590         u16                      nvdata_version_default;
 591         int                      debug_level;
 592         u8                       io_missing_delay;
 593         u8                       device_missing_delay;
 594         SYSIF_REGS __iomem      *chip;          /* == c8817000 (mmap) */
 595         SYSIF_REGS __iomem      *pio_chip;      /* Programmed IO (downloadboot) */
 596         u8                       bus_type;
 597         u32                      mem_phys;      /* == f4020000 (mmap) */
 598         u32                      pio_mem_phys;  /* Programmed IO (downloadboot) */
 599         int                      mem_size;      /* mmap memory size */
 600         int                      number_of_buses;
 601         int                      devices_per_bus;
 602         int                      alloc_total;
 603         u32                      last_state;
 604         int                      active;
 605         u8                      *alloc;         /* frames alloc ptr */
 606         dma_addr_t               alloc_dma;
 607         u32                      alloc_sz;
 608         MPT_FRAME_HDR           *reply_frames;  /* Reply msg frames - rounded up! */
 609         u32                      reply_frames_low_dma;
 610         int                      reply_depth;   /* Num Allocated reply frames */
 611         int                      reply_sz;      /* Reply frame size */
 612         int                      num_chain;     /* Number of chain buffers */
 613         MPT_ADD_SGE              add_sge;       /* Pointer to add_sge
 614                                                    function */
 615         MPT_ADD_CHAIN            add_chain;     /* Pointer to add_chain
 616                                                    function */
 617                 /* Pool of buffers for chaining. ReqToChain
 618                  * and ChainToChain track index of chain buffers.
 619                  * ChainBuffer (DMA) virt/phys addresses.
 620                  * FreeChainQ (lock) locking mechanisms.
 621                  */
 622         int                     *ReqToChain;
 623         int                     *RequestNB;
 624         int                     *ChainToChain;
 625         u8                      *ChainBuffer;
 626         dma_addr_t               ChainBufferDMA;
 627         struct list_head         FreeChainQ;
 628         spinlock_t               FreeChainQlock;
 629                 /* We (host driver) get to manage our own RequestQueue! */
 630         dma_addr_t               req_frames_dma;
 631         MPT_FRAME_HDR           *req_frames;    /* Request msg frames - rounded up! */
 632         u32                      req_frames_low_dma;
 633         int                      req_depth;     /* Number of request frames */
 634         int                      req_sz;        /* Request frame size (bytes) */
 635         spinlock_t               FreeQlock;
 636         struct list_head         FreeQ;
 637                 /* Pool of SCSI sense buffers for commands coming from
 638                  * the SCSI mid-layer.  We have one 256 byte sense buffer
 639                  * for each REQ entry.
 640                  */
 641         u8                      *sense_buf_pool;
 642         dma_addr_t               sense_buf_pool_dma;
 643         u32                      sense_buf_low_dma;
 644         u8                      *HostPageBuffer; /* SAS - host page buffer support */
 645         u32                     HostPageBuffer_sz;
 646         dma_addr_t              HostPageBuffer_dma;
 647         int                      mtrr_reg;
 648         struct pci_dev          *pcidev;        /* struct pci_dev pointer */
 649         int                     bars;           /* bitmask of BAR's that must be configured */
 650         int                     msi_enable;
 651         u8                      __iomem *memmap;        /* mmap address */
 652         struct Scsi_Host        *sh;            /* Scsi Host pointer */
 653         SpiCfgData              spi_data;       /* Scsi config. data */
 654         RaidCfgData             raid_data;      /* Raid config. data */
 655         SasCfgData              sas_data;       /* Sas config. data */
 656         FcCfgData               fc_data;        /* Fc config. data */
 657         MPT_IOCTL               *ioctl;         /* ioctl data pointer */
 658         struct proc_dir_entry   *ioc_dentry;
 659         struct _MPT_ADAPTER     *alt_ioc;       /* ptr to 929 bound adapter port */
 660         u32                      biosVersion;   /* BIOS version from IO Unit Page 2 */
 661         int                      eventTypes;    /* Event logging parameters */
 662         int                      eventContext;  /* Next event context */
 663         int                      eventLogSize;  /* Max number of cached events */
 664         struct _mpt_ioctl_events *events;       /* pointer to event log */
 665         u8                      *cached_fw;     /* Pointer to FW */
 666         dma_addr_t              cached_fw_dma;
 667         int                      hs_reply_idx;
 668 #ifndef MFCNT
 669         u32                      pad0;
 670 #else
 671         u32                      mfcnt;
 672 #endif
 673         u32                      NB_for_64_byte_frame;
 674         u32                      hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
 675         u16                      hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
 676         IOCFactsReply_t          facts;
 677         PortFactsReply_t         pfacts[2];
 678         FCPortPage0_t            fc_port_page0[2];
 679         LANPage0_t               lan_cnfg_page0;
 680         LANPage1_t               lan_cnfg_page1;
 681
 682         u8                       ir_firmware; /* =1 if IR firmware detected */
 683         /*
 684          * Description: errata_flag_1064
 685          * If a PCIX read occurs within 1 or 2 cycles after the chip receives
 686          * a split completion for a read data, an internal address pointer incorrectly
 687          * increments by 32 bytes
 688          */
 689         int                      errata_flag_1064;
 690         int                      aen_event_read_flag; /* flag to indicate event log was read*/
 691         u8                       FirstWhoInit;
 692         u8                       upload_fw;     /* If set, do a fw upload */
 693         u8                       reload_fw;     /* Force a FW Reload on next reset */
 694         u8                       NBShiftFactor;  /* NB Shift Factor based on Block Size (Facts)  */
 695         u8                       pad1[4];
 696         u8                       DoneCtx;
 697         u8                       TaskCtx;
 698         u8                       InternalCtx;
 699         spinlock_t               initializing_hba_lock;
 700         int                      initializing_hba_lock_flag;
 701         struct list_head         list;
 702         struct net_device       *netdev;
 703         struct list_head         sas_topology;
 704         struct mutex             sas_topology_mutex;
 705         struct mutex             sas_discovery_mutex;
 706         u8                       sas_discovery_runtime;
 707         u8                       sas_discovery_ignore_events;
 708         u8                       sas_discovery_quiesce_io;
 709         int                      sas_index; /* index refrencing */
 710         MPT_MGMT                 sas_mgmt;
 711         MPT_MGMT                 mptbase_cmds; /* for sending config pages */
 712         MPT_MGMT                 internal_cmds;
 713         MPT_MGMT                 taskmgmt_cmds;
 714         spinlock_t               taskmgmt_lock; /* diagnostic reset lock */
 715         int                      taskmgmt_in_progress;
 716         u8                       taskmgmt_quiesce_io;
 717         u8                       ioc_reset_in_progress;
 718         struct work_struct       sas_persist_task;
 719
 720         struct work_struct       fc_setup_reset_work;
 721         struct list_head         fc_rports;
 722         struct work_struct       fc_lsc_work;
 723         u8                       fc_link_speed[2];
 724         spinlock_t               fc_rescan_work_lock;
 725         struct work_struct       fc_rescan_work;
 726         char                     fc_rescan_work_q_name[20];
 727         struct workqueue_struct *fc_rescan_work_q;
 728         struct scsi_cmnd        **ScsiLookup;
 729         spinlock_t                scsi_lookup_lock;
 730         u64                     dma_mask;
 731         char                     reset_work_q_name[20];
 732         struct workqueue_struct *reset_work_q;
 733         struct delayed_work      fault_reset_work;
 734         spinlock_t               fault_reset_work_lock;
 735
 736         u8                      sg_addr_size;
 737         u8                      SGE_size;
 738
 739 } MPT_ADAPTER;
 740
 741 /*
 742  *  New return value convention:
 743  *    1 = Ok to free associated request frame
 744  *    0 = not Ok ...
 745  */
 746 typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
 747 typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
 748 typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
 749 /* reset_phase defs */
 750 #define MPT_IOC_PRE_RESET               0
 751 #define MPT_IOC_POST_RESET              1
 752 #define MPT_IOC_SETUP_RESET             2
 753
 754 /*
 755  * Invent MPT host event (super-set of MPI Events)
 756  * Fitted to 1030's 64-byte [max] request frame size
 757  */
 758 typedef struct _MPT_HOST_EVENT {
 759         EventNotificationReply_t         MpiEvent;      /* 8 32-bit words! */
 760         u32                              pad[6];
 761         void                            *next;
 762 } MPT_HOST_EVENT;
 763
 764 #define MPT_HOSTEVENT_IOC_BRINGUP       0x91
 765 #define MPT_HOSTEVENT_IOC_RECOVER       0x92
 766
 767 /* Define the generic types based on the size
 768  * of the dma_addr_t type.
 769  */
 770 typedef struct _mpt_sge {
 771         u32             FlagsLength;
 772         dma_addr_t      Address;
 773 } MptSge_t;
 774
 775
 776 #define mpt_msg_flags(ioc) \
 777         (ioc->sg_addr_size == sizeof(u64)) ?            \
 778         MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 :             \
 779         MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32
 780
 781 #define MPT_SGE_FLAGS_64_BIT_ADDRESSING \
 782         (MPI_SGE_FLAGS_64_BIT_ADDRESSING << MPI_SGE_FLAGS_SHIFT)
 783
 784 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 785 /*
 786  *  Funky (private) macros...
 787  */
 788 #include "mptdebug.h"
 789
 790 #define MPT_INDEX_2_MFPTR(ioc,idx) \
 791         (MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )
 792
 793 #define MFPTR_2_MPT_INDEX(ioc,mf) \
 794         (int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )
 795
 796 #define MPT_INDEX_2_RFPTR(ioc,idx) \
 797         (MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )
 798
 799 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 800
 801 #define SCSI_STD_SENSE_BYTES    18
 802 #define SCSI_STD_INQUIRY_BYTES  36
 803 #define SCSI_MAX_INQUIRY_BYTES  96
 804
 805 /*
 806  * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
 807  * Private to the driver.
 808  */
 809 /* LOCAL structure and fields used when processing
 810  * internally generated commands. These include:
 811  * bus scan, dv and config requests.
 812  */
 813 typedef struct _MPT_LOCAL_REPLY {
 814         ConfigPageHeader_t header;
 815         int     completion;
 816         u8      sense[SCSI_STD_SENSE_BYTES];
 817         u8      scsiStatus;
 818         u8      skip;
 819         u32     pad;
 820 } MPT_LOCAL_REPLY;
 821
 822 #define MPT_HOST_BUS_UNKNOWN            (0xFF)
 823 #define MPT_HOST_TOO_MANY_TM            (0x05)
 824 #define MPT_HOST_NVRAM_INVALID          (0xFFFFFFFF)
 825 #define MPT_HOST_NO_CHAIN               (0xFFFFFFFF)
 826 #define MPT_NVRAM_MASK_TIMEOUT          (0x000000FF)
 827 #define MPT_NVRAM_SYNC_MASK             (0x0000FF00)
 828 #define MPT_NVRAM_SYNC_SHIFT            (8)
 829 #define MPT_NVRAM_DISCONNECT_ENABLE     (0x00010000)
 830 #define MPT_NVRAM_ID_SCAN_ENABLE        (0x00020000)
 831 #define MPT_NVRAM_LUN_SCAN_ENABLE       (0x00040000)
 832 #define MPT_NVRAM_TAG_QUEUE_ENABLE      (0x00080000)
 833 #define MPT_NVRAM_WIDE_DISABLE          (0x00100000)
 834 #define MPT_NVRAM_BOOT_CHOICE           (0x00200000)
 835
 836 /* The TM_STATE variable is used to provide strict single threading of TM
 837  * requests as well as communicate TM error conditions.
 838  */
 839 #define TM_STATE_NONE          (0)
 840 #define TM_STATE_IN_PROGRESS   (1)
 841 #define TM_STATE_ERROR         (2)
 842
 843 typedef enum {
 844         FC,
 845         SPI,
 846         SAS
 847 } BUS_TYPE;
 848
 849 typedef struct _MPT_SCSI_HOST {
 850         MPT_ADAPTER              *ioc;
 851         int                       port;
 852         u32                       pad0;
 853         MPT_LOCAL_REPLY          *pLocal;               /* used for internal commands */
 854         struct timer_list         timer;
 855                 /* Pool of memory for holding SCpnts before doing
 856                  * OS callbacks. freeQ is the free pool.
 857                  */
 858         u8                        tmPending;
 859         u8                        negoNvram;            /* DV disabled, nego NVRAM */
 860         u8                        pad1;
 861         u8                        tmState;
 862         u8                        rsvd[2];
 863         MPT_FRAME_HDR            *cmdPtr;               /* Ptr to nonOS request */
 864         struct scsi_cmnd         *abortSCpnt;
 865         MPT_LOCAL_REPLY           localReply;           /* internal cmd reply struct */
 866         unsigned long             hard_resets;          /* driver forced bus resets count */
 867         unsigned long             soft_resets;          /* fw/external bus resets count */
 868         unsigned long             timeouts;             /* cmd timeouts */
 869         ushort                    sel_timeout[MPT_MAX_FC_DEVICES];
 870         char                      *info_kbuf;
 871         long                      last_queue_full;
 872         u16                       tm_iocstatus;
 873         u16                       spi_pending;
 874         struct list_head          target_reset_list;
 875 } MPT_SCSI_HOST;
 876
 877 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 878 /*
 879  *      More Dynamic Multi-Pathing stuff...
 880  */
 881
 882 /* Forward decl, a strange C thing, to prevent gcc compiler warnings */
 883 struct scsi_cmnd;
 884
 885 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 886 /*
 887  * Generic structure passed to the base mpt_config function.
 888  */
 889 typedef struct _x_config_parms {
 890         union {
 891                 ConfigExtendedPageHeader_t      *ehdr;
 892                 ConfigPageHeader_t      *hdr;
 893         } cfghdr;
 894         dma_addr_t               physAddr;
 895         u32                      pageAddr;      /* properly formatted */
 896         u16                      status;
 897         u8                       action;
 898         u8                       dir;
 899         u8                       timeout;       /* seconds */
 900 } CONFIGPARMS;
 901
 902 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 903 /*
 904  *  Public entry points...
 905  */
 906 extern int       mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
 907 extern void      mpt_detach(struct pci_dev *pdev);
 908 #ifdef CONFIG_PM
 909 extern int       mpt_suspend(struct pci_dev *pdev, pm_message_t state);
 910 extern int       mpt_resume(struct pci_dev *pdev);
 911 #endif
 912 extern u8        mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
 913 extern void      mpt_deregister(u8 cb_idx);
 914 extern int       mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc);
 915 extern void      mpt_event_deregister(u8 cb_idx);
 916 extern int       mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func);
 917 extern void      mpt_reset_deregister(u8 cb_idx);
 918 extern int       mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx);
 919 extern void      mpt_device_driver_deregister(u8 cb_idx);
 920 extern MPT_FRAME_HDR    *mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc);
 921 extern void      mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 922 extern void      mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 923 extern void      mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 924
 925 extern int       mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
 926 extern int       mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
 927 extern u32       mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
 928 extern void      mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
 929 extern int       mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
 930 extern int       mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
 931 extern int       mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
 932 extern void      mpt_free_fw_memory(MPT_ADAPTER *ioc);
 933 extern int       mpt_findImVolumes(MPT_ADAPTER *ioc);
 934 extern int       mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
 935 extern int       mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk);
 936 extern int       mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
 937 extern void      mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
 938 extern void     mpt_halt_firmware(MPT_ADAPTER *ioc);
 939
 940
 941 /*
 942  *  Public data decl's...
 943  */
 944 extern struct list_head   ioc_list;
 945 extern int mpt_fwfault_debug;
 946
 947 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 948 #endif          /* } __KERNEL__ */
 949
 950 #ifdef CONFIG_64BIT
 951 #define CAST_U32_TO_PTR(x)      ((void *)(u64)x)
 952 #define CAST_PTR_TO_U32(x)      ((u32)(u64)x)
 953 #else
 954 #define CAST_U32_TO_PTR(x)      ((void *)x)
 955 #define CAST_PTR_TO_U32(x)      ((u32)x)
 956 #endif
 957
 958 #define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
 959         ((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR)   ? 'I' : 'i',    \
 960         ((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET)      ? 'T' : 't',    \
 961         ((pflags) & MPI_PORTFACTS_PROTOCOL_LAN)         ? 'L' : 'l',    \
 962         ((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR)  ? 'B' : 'b'
 963
 964 /*
 965  *  Shifted SGE Defines - Use in SGE with FlagsLength member.
 966  *  Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
 967  *  Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
 968  */
 969 #define MPT_TRANSFER_IOC_TO_HOST                (0x00000000)
 970 #define MPT_TRANSFER_HOST_TO_IOC                (0x04000000)
 971 #define MPT_SGE_FLAGS_LAST_ELEMENT              (0x80000000)
 972 #define MPT_SGE_FLAGS_END_OF_BUFFER             (0x40000000)
 973 #define MPT_SGE_FLAGS_LOCAL_ADDRESS             (0x08000000)
 974 #define MPT_SGE_FLAGS_DIRECTION                 (0x04000000)
 975 #define MPT_SGE_FLAGS_END_OF_LIST               (0x01000000)
 976
 977 #define MPT_SGE_FLAGS_TRANSACTION_ELEMENT       (0x00000000)
 978 #define MPT_SGE_FLAGS_SIMPLE_ELEMENT            (0x10000000)
 979 #define MPT_SGE_FLAGS_CHAIN_ELEMENT             (0x30000000)
 980 #define MPT_SGE_FLAGS_ELEMENT_MASK              (0x30000000)
 981
 982 #define MPT_SGE_FLAGS_SSIMPLE_READ \
 983         (MPT_SGE_FLAGS_LAST_ELEMENT |   \
 984          MPT_SGE_FLAGS_END_OF_BUFFER |  \
 985          MPT_SGE_FLAGS_END_OF_LIST |    \
 986          MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
 987          MPT_TRANSFER_IOC_TO_HOST)
 988 #define MPT_SGE_FLAGS_SSIMPLE_WRITE \
 989         (MPT_SGE_FLAGS_LAST_ELEMENT |   \
 990          MPT_SGE_FLAGS_END_OF_BUFFER |  \
 991          MPT_SGE_FLAGS_END_OF_LIST |    \
 992          MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
 993          MPT_TRANSFER_HOST_TO_IOC)
 994
 995 /*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 996 #endif
 997