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) 1999-2007 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
  55 #include "lsi/mpi_type.h"
  56 #include "lsi/mpi.h"            /* Fusion MPI(nterface) basic defs */
  57 #include "lsi/mpi_ioc.h"        /* Fusion MPT IOC(ontroller) defs */
  58 #include "lsi/mpi_cnfg.h"       /* IOC configuration support */
  59 #include "lsi/mpi_init.h"       /* SCSI Host (initiator) protocol support */
  60 #include "lsi/mpi_lan.h"        /* LAN over FC protocol support */
  61 #include "lsi/mpi_raid.h"       /* Integrated Mirroring support */
  62
  63 #include "lsi/mpi_fc.h"         /* Fibre Channel (lowlevel) support */
  64 #include "lsi/mpi_targ.h"       /* SCSI/FCP Target protcol support */
  65 #include "lsi/mpi_tool.h"       /* Tools support */
  66 #include "lsi/mpi_sas.h"        /* SAS support */
  67
  68 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  69
  70 #ifndef MODULEAUTHOR
  71 #define MODULEAUTHOR    "LSI Corporation"
  72 #endif
  73
  74 #ifndef COPYRIGHT
  75 #define COPYRIGHT       "Copyright (c) 1999-2007 " MODULEAUTHOR
  76 #endif
  77
  78 #define MPT_LINUX_VERSION_COMMON        "3.04.06"
  79 #define MPT_LINUX_PACKAGE_NAME          "@(#)mptlinux-3.04.06"
  80 #define WHAT_MAGIC_STRING               "@" "(" "#" ")"
  81
  82 #define show_mptmod_ver(s,ver)  \
  83         printk(KERN_INFO "%s %s\n", s, ver);
  84
  85 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  86 /*
  87  *  Fusion MPT(linux) driver configurable stuff...
  88  */
  89 #define MPT_MAX_ADAPTERS                18
  90 #define MPT_MAX_PROTOCOL_DRIVERS        16
  91 #define MPT_MAX_BUS                     1       /* Do not change */
  92 #define MPT_MAX_FC_DEVICES              255
  93 #define MPT_MAX_SCSI_DEVICES            16
  94 #define MPT_LAST_LUN                    255
  95 #define MPT_SENSE_BUFFER_ALLOC          64
  96         /* allow for 256 max sense alloc, but only 255 max request */
  97 #if MPT_SENSE_BUFFER_ALLOC >= 256
  98 #       undef MPT_SENSE_BUFFER_ALLOC
  99 #       define MPT_SENSE_BUFFER_ALLOC   256
 100 #       define MPT_SENSE_BUFFER_SIZE    255
 101 #else
 102 #       define MPT_SENSE_BUFFER_SIZE    MPT_SENSE_BUFFER_ALLOC
 103 #endif
 104
 105 #define MPT_NAME_LENGTH                 32
 106
 107 #define MPT_PROCFS_MPTBASEDIR           "mpt"
 108                                                 /* chg it to "driver/fusion" ? */
 109 #define MPT_PROCFS_SUMMARY_ALL_NODE             MPT_PROCFS_MPTBASEDIR "/summary"
 110 #define MPT_PROCFS_SUMMARY_ALL_PATHNAME         "/proc/" MPT_PROCFS_SUMMARY_ALL_NODE
 111 #define MPT_FW_REV_MAGIC_ID_STRING              "FwRev="
 112
 113 #define  MPT_MAX_REQ_DEPTH              1023
 114 #define  MPT_DEFAULT_REQ_DEPTH          256
 115 #define  MPT_MIN_REQ_DEPTH              128
 116
 117 #define  MPT_MAX_REPLY_DEPTH            MPT_MAX_REQ_DEPTH
 118 #define  MPT_DEFAULT_REPLY_DEPTH        128
 119 #define  MPT_MIN_REPLY_DEPTH            8
 120 #define  MPT_MAX_REPLIES_PER_ISR        32
 121
 122 #define  MPT_MAX_FRAME_SIZE             128
 123 #define  MPT_DEFAULT_FRAME_SIZE         128
 124
 125 #define  MPT_REPLY_FRAME_SIZE           0x50  /* Must be a multiple of 8 */
 126
 127 #define  MPT_SG_REQ_128_SCALE           1
 128 #define  MPT_SG_REQ_96_SCALE            2
 129 #define  MPT_SG_REQ_64_SCALE            4
 130
 131 #define  CAN_SLEEP                      1
 132 #define  NO_SLEEP                       0
 133
 134 #define MPT_COALESCING_TIMEOUT          0x10
 135
 136 /*
 137  * SCSI transfer rate defines.
 138  */
 139 #define MPT_ULTRA320                    0x08
 140 #define MPT_ULTRA160                    0x09
 141 #define MPT_ULTRA2                      0x0A
 142 #define MPT_ULTRA                       0x0C
 143 #define MPT_FAST                        0x19
 144 #define MPT_SCSI                        0x32
 145 #define MPT_ASYNC                       0xFF
 146
 147 #define MPT_NARROW                      0
 148 #define MPT_WIDE                        1
 149
 150 #define C0_1030                         0x08
 151 #define XL_929                          0x01
 152
 153
 154 /*
 155  *      Try to keep these at 2^N-1
 156  */
 157 #define MPT_FC_CAN_QUEUE        127
 158 #define MPT_SCSI_CAN_QUEUE      127
 159
 160 /*
 161  * Set the MAX_SGE value based on user input.
 162  */
 163 #ifdef  CONFIG_FUSION_MAX_SGE
 164 #if     CONFIG_FUSION_MAX_SGE  < 16
 165 #define MPT_SCSI_SG_DEPTH       16
 166 #elif   CONFIG_FUSION_MAX_SGE  > 128
 167 #define MPT_SCSI_SG_DEPTH       128
 168 #else
 169 #define MPT_SCSI_SG_DEPTH       CONFIG_FUSION_MAX_SGE
 170 #endif
 171 #else
 172 #define MPT_SCSI_SG_DEPTH       40
 173 #endif
 174
 175 /* debug print string length used for events and iocstatus */
 176 # define EVENT_DESCR_STR_SZ             100
 177
 178 #ifdef __KERNEL__       /* { */
 179 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 180
 181 #include <linux/proc_fs.h>
 182
 183 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 184 /*
 185  * Attempt semi-consistent error & warning msgs across
 186  * MPT drivers.  NOTE: Users of these macro defs must
 187  * themselves define their own MYNAM.
 188  */
 189 #define MYIOC_s_DEBUG_FMT               KERN_DEBUG MYNAM ": %s: "
 190 #define MYIOC_s_INFO_FMT                KERN_INFO MYNAM ": %s: "
 191 #define MYIOC_s_NOTE_FMT                KERN_NOTICE MYNAM ": %s: "
 192 #define MYIOC_s_WARN_FMT                KERN_WARNING MYNAM ": %s: WARNING - "
 193 #define MYIOC_s_ERR_FMT                 KERN_ERR MYNAM ": %s: ERROR - "
 194
 195 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 196 /*
 197  *  ATTO UL4D associated structures and defines
 198  */
 199 #define ATTOFLAG_DISC     0x0001
 200 #define ATTOFLAG_TAGGED   0x0002
 201 #define ATTOFLAG_WIDE_ENB 0x0008
 202 #define ATTOFLAG_ID_ENB   0x0010
 203 #define ATTOFLAG_LUN_ENB  0x0060
 204
 205 typedef struct _ATTO_DEVICE_INFO
 206 {
 207         u8      Offset;                                 /* 00h */
 208         u8      Period;                                 /* 01h */
 209         u16     ATTOFlags;                              /* 02h */
 210 } ATTO_DEVICE_INFO, MPI_POINTER PTR_ATTO_DEVICE_INFO,
 211   ATTODeviceInfo_t, MPI_POINTER pATTODeviceInfo_t;
 212
 213 typedef struct _ATTO_CONFIG_PAGE_SCSI_PORT_2
 214 {
 215         CONFIG_PAGE_HEADER      Header;                 /* 00h */
 216         u16                     PortFlags;              /* 04h */
 217         u16                     Unused1;                /* 06h */
 218         u32                     Unused2;                /* 08h */
 219         ATTO_DEVICE_INFO        DeviceSettings[16];     /* 0Ch */
 220 } fATTO_CONFIG_PAGE_SCSI_PORT_2, MPI_POINTER PTR_ATTO_CONFIG_PAGE_SCSI_PORT_2,
 221   ATTO_SCSIPortPage2_t, MPI_POINTER pATTO_SCSIPortPage2_t;
 222
 223
 224 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 225 /*
 226  *  MPT protocol driver defs...
 227  */
 228 typedef enum {
 229         MPTBASE_DRIVER,         /* MPT base class */
 230         MPTCTL_DRIVER,          /* MPT ioctl class */
 231         MPTSPI_DRIVER,          /* MPT SPI host class */
 232         MPTFC_DRIVER,           /* MPT FC host class */
 233         MPTSAS_DRIVER,          /* MPT SAS host class */
 234         MPTLAN_DRIVER,          /* MPT LAN class */
 235         MPTSTM_DRIVER,          /* MPT SCSI target mode class */
 236         MPTUNKNOWN_DRIVER
 237 } MPT_DRIVER_CLASS;
 238
 239 struct mpt_pci_driver{
 240         int  (*probe) (struct pci_dev *dev, const struct pci_device_id *id);
 241         void (*remove) (struct pci_dev *dev);
 242 };
 243
 244 /*
 245  *  MPT adapter / port / bus / device info structures...
 246  */
 247
 248 typedef union _MPT_FRAME_TRACKER {
 249         struct {
 250                 struct list_head        list;
 251                 u32                      arg1;
 252                 u32                      pad;
 253                 void                    *argp1;
 254         } linkage;
 255         /*
 256          * NOTE: When request frames are free, on the linkage structure
 257          * contets are valid.  All other values are invalid.
 258          * In particular, do NOT reply on offset [2]
 259          * (in words) being the * message context.
 260          * The message context must be reset (computed via base address
 261          * + an offset) prior to issuing any command.
 262          *
 263          * NOTE2: On non-32-bit systems, where pointers are LARGE,
 264          * using the linkage pointers destroys our sacred MsgContext
 265          * field contents.  But we don't care anymore because these
 266          * are now reset in mpt_put_msg_frame() just prior to sending
 267          * a request off to the IOC.
 268          */
 269         struct {
 270                 u32 __hdr[2];
 271                 /*
 272                  * The following _MUST_ match the location of the
 273                  * MsgContext field in the MPT message headers.
 274                  */
 275                 union {
 276                         u32              MsgContext;
 277                         struct {
 278                                 u16      req_idx;       /* Request index */
 279                                 u8       cb_idx;        /* callback function index */
 280                                 u8       rsvd;
 281                         } fld;
 282                 } msgctxu;
 283         } hwhdr;
 284         /*
 285          * Remark: 32 bit identifier:
 286          *  31-24: reserved
 287          *  23-16: call back index
 288          *  15-0 : request index
 289          */
 290 } MPT_FRAME_TRACKER;
 291
 292 /*
 293  *  We might want to view/access a frame as:
 294  *    1) generic request header
 295  *    2) SCSIIORequest
 296  *    3) SCSIIOReply
 297  *    4) MPIDefaultReply
 298  *    5) frame tracker
 299  */
 300 typedef struct _MPT_FRAME_HDR {
 301         union {
 302                 MPIHeader_t             hdr;
 303                 SCSIIORequest_t         scsireq;
 304                 SCSIIOReply_t           sreply;
 305                 ConfigReply_t           configreply;
 306                 MPIDefaultReply_t       reply;
 307                 MPT_FRAME_TRACKER       frame;
 308         } u;
 309 } MPT_FRAME_HDR;
 310
 311 #define MPT_REQ_MSGFLAGS_DROPME         0x80
 312
 313 typedef struct _MPT_SGL_HDR {
 314         SGESimple32_t    sge[1];
 315 } MPT_SGL_HDR;
 316
 317 typedef struct _MPT_SGL64_HDR {
 318         SGESimple64_t    sge[1];
 319 } MPT_SGL64_HDR;
 320
 321 /*
 322  *  System interface register set
 323  */
 324
 325 typedef struct _SYSIF_REGS
 326 {
 327         u32     Doorbell;       /* 00     System<->IOC Doorbell reg  */
 328         u32     WriteSequence;  /* 04     Write Sequence register    */
 329         u32     Diagnostic;     /* 08     Diagnostic register        */
 330         u32     TestBase;       /* 0C     Test Base Address          */
 331         u32     DiagRwData;     /* 10     Read Write Data (fw download)   */
 332         u32     DiagRwAddress;  /* 14     Read Write Address (fw download)*/
 333         u32     Reserved1[6];   /* 18-2F  reserved for future use    */
 334         u32     IntStatus;      /* 30     Interrupt Status           */
 335         u32     IntMask;        /* 34     Interrupt Mask             */
 336         u32     Reserved2[2];   /* 38-3F  reserved for future use    */
 337         u32     RequestFifo;    /* 40     Request Post/Free FIFO     */
 338         u32     ReplyFifo;      /* 44     Reply   Post/Free FIFO     */
 339         u32     RequestHiPriFifo; /* 48   Hi Priority Request FIFO   */
 340         u32     Reserved3;      /* 4C-4F  reserved for future use    */
 341         u32     HostIndex;      /* 50     Host Index register        */
 342         u32     Reserved4[15];  /* 54-8F                             */
 343         u32     Fubar;          /* 90     For Fubar usage            */
 344         u32     Reserved5[1050];/* 94-10F8                           */
 345         u32     Reset_1078;     /* 10FC   Reset 1078                 */
 346 } SYSIF_REGS;
 347
 348 /*
 349  * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
 350  * in conjunction with SYSIF_REGS accesses!
 351  */
 352
 353
 354 /*
 355  *      Dynamic Multi-Pathing specific stuff...
 356  */
 357
 358 /* VirtTarget negoFlags field */
 359 #define MPT_TARGET_NO_NEGO_WIDE         0x01
 360 #define MPT_TARGET_NO_NEGO_SYNC         0x02
 361 #define MPT_TARGET_NO_NEGO_QAS          0x04
 362 #define MPT_TAPE_NEGO_IDP               0x08
 363
 364 /*
 365  *      VirtDevice - FC LUN device or SCSI target device
 366  */
 367 typedef struct _VirtTarget {
 368         struct scsi_target      *starget;
 369         u8                       tflags;
 370         u8                       ioc_id;
 371         u8                       id;
 372         u8                       channel;
 373         u8                       minSyncFactor; /* 0xFF is async */
 374         u8                       maxOffset;     /* 0 if async */
 375         u8                       maxWidth;      /* 0 if narrow, 1 if wide */
 376         u8                       negoFlags;     /* bit field, see above */
 377         u8                       raidVolume;    /* set, if RAID Volume */
 378         u8                       type;          /* byte 0 of Inquiry data */
 379         u8                       deleted;       /* target in process of being removed */
 380         u32                      num_luns;
 381 } VirtTarget;
 382
 383 typedef struct _VirtDevice {
 384         VirtTarget              *vtarget;
 385         u8                       configured_lun;
 386         int                      lun;
 387 } VirtDevice;
 388
 389 /*
 390  *  Fibre Channel (SCSI) target device and associated defines...
 391  */
 392 #define MPT_TARGET_DEFAULT_DV_STATUS    0x00
 393 #define MPT_TARGET_FLAGS_VALID_NEGO     0x01
 394 #define MPT_TARGET_FLAGS_VALID_INQUIRY  0x02
 395 #define MPT_TARGET_FLAGS_Q_YES          0x08
 396 #define MPT_TARGET_FLAGS_VALID_56       0x10
 397 #define MPT_TARGET_FLAGS_SAF_TE_ISSUED  0x20
 398 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x40
 399 #define MPT_TARGET_FLAGS_LED_ON         0x80
 400
 401 /*
 402  *      /proc/mpt interface
 403  */
 404 typedef struct {
 405         const char      *name;
 406         mode_t           mode;
 407         int              pad;
 408         read_proc_t     *read_proc;
 409         write_proc_t    *write_proc;
 410 } mpt_proc_entry_t;
 411
 412 #define MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len) \
 413 do { \
 414         len -= offset;                  \
 415         if (len < request) {            \
 416                 *eof = 1;               \
 417                 if (len <= 0)           \
 418                         return 0;       \
 419         } else                          \
 420                 len = request;          \
 421         *start = buf + offset;          \
 422         return len;                     \
 423 } while (0)
 424
 425
 426 /*
 427  *      IOCTL structure and associated defines
 428  */
 429
 430 #define MPT_IOCTL_STATUS_DID_IOCRESET   0x01    /* IOC Reset occurred on the current*/
 431 #define MPT_IOCTL_STATUS_RF_VALID       0x02    /* The Reply Frame is VALID */
 432 #define MPT_IOCTL_STATUS_TIMER_ACTIVE   0x04    /* The timer is running */
 433 #define MPT_IOCTL_STATUS_SENSE_VALID    0x08    /* Sense data is valid */
 434 #define MPT_IOCTL_STATUS_COMMAND_GOOD   0x10    /* Command Status GOOD */
 435 #define MPT_IOCTL_STATUS_TMTIMER_ACTIVE 0x20    /* The TM timer is running */
 436 #define MPT_IOCTL_STATUS_TM_FAILED      0x40    /* User TM request failed */
 437
 438 #define MPTCTL_RESET_OK                 0x01    /* Issue Bus Reset */
 439
 440 typedef struct _MPT_IOCTL {
 441         struct _MPT_ADAPTER     *ioc;
 442         u8                       ReplyFrame[MPT_DEFAULT_FRAME_SIZE];    /* reply frame data */
 443         u8                       sense[MPT_SENSE_BUFFER_ALLOC];
 444         int                      wait_done;     /* wake-up value for this ioc */
 445         u8                       rsvd;
 446         u8                       status;        /* current command status */
 447         u8                       reset;         /* 1 if bus reset allowed */
 448         u8                       id;            /* target for reset */
 449         struct mutex             ioctl_mutex;
 450 } MPT_IOCTL;
 451
 452 #define MPT_SAS_MGMT_STATUS_RF_VALID    0x02    /* The Reply Frame is VALID */
 453 #define MPT_SAS_MGMT_STATUS_COMMAND_GOOD        0x10    /* Command Status GOOD */
 454 #define MPT_SAS_MGMT_STATUS_TM_FAILED   0x40    /* User TM request failed */
 455
 456 typedef struct _MPT_SAS_MGMT {
 457         struct mutex             mutex;
 458         struct completion        done;
 459         u8                       reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
 460         u8                       status;        /* current command status */
 461 }MPT_SAS_MGMT;
 462
 463 /*
 464  *  Event Structure and define
 465  */
 466 #define MPTCTL_EVENT_LOG_SIZE           (0x000000032)
 467 typedef struct _mpt_ioctl_events {
 468         u32     event;          /* Specified by define above */
 469         u32     eventContext;   /* Index or counter */
 470         u32     data[2];        /* First 8 bytes of Event Data */
 471 } MPT_IOCTL_EVENTS;
 472
 473 /*
 474  * CONFIGPARM status  defines
 475  */
 476 #define MPT_CONFIG_GOOD         MPI_IOCSTATUS_SUCCESS
 477 #define MPT_CONFIG_ERROR        0x002F
 478
 479 /*
 480  *      Substructure to store SCSI specific configuration page data
 481  */
 482                                                 /* dvStatus defines: */
 483 #define MPT_SCSICFG_USE_NVRAM           0x01    /* WriteSDP1 using NVRAM */
 484 #define MPT_SCSICFG_ALL_IDS             0x02    /* WriteSDP1 to all IDS */
 485 /* #define MPT_SCSICFG_BLK_NEGO         0x10       WriteSDP1 with WDTR and SDTR disabled */
 486
 487 typedef struct _SpiCfgData {
 488         u32              PortFlags;
 489         int             *nvram;                 /* table of device NVRAM values */
 490         IOCPage4_t      *pIocPg4;               /* SEP devices addressing */
 491         dma_addr_t       IocPg4_dma;            /* Phys Addr of IOCPage4 data */
 492         int              IocPg4Sz;              /* IOCPage4 size */
 493         u8               minSyncFactor;         /* 0xFF if async */
 494         u8               maxSyncOffset;         /* 0 if async */
 495         u8               maxBusWidth;           /* 0 if narrow, 1 if wide */
 496         u8               busType;               /* SE, LVD, HD */
 497         u8               sdp1version;           /* SDP1 version */
 498         u8               sdp1length;            /* SDP1 length  */
 499         u8               sdp0version;           /* SDP0 version */
 500         u8               sdp0length;            /* SDP0 length  */
 501         u8               dvScheduled;           /* 1 if scheduled */
 502         u8               noQas;                 /* Disable QAS for this adapter */
 503         u8               Saf_Te;                /* 1 to force all Processors as
 504                                                  * SAF-TE if Inquiry data length
 505                                                  * is too short to check for SAF-TE
 506                                                  */
 507         u8               bus_reset;             /* 1 to allow bus reset */
 508         u8               rsvd[1];
 509 }SpiCfgData;
 510
 511 typedef struct _SasCfgData {
 512         u8               ptClear;               /* 1 to automatically clear the
 513                                                  * persistent table.
 514                                                  * 0 to disable
 515                                                  * automatic clearing.
 516                                                  */
 517 }SasCfgData;
 518
 519 /*
 520  * Inactive volume link list of raid component data
 521  * @inactive_list
 522  */
 523 struct inactive_raid_component_info {
 524         struct   list_head list;
 525         u8               volumeID;              /* volume target id */
 526         u8               volumeBus;             /* volume channel */
 527         IOC_3_PHYS_DISK  d;                     /* phys disk info */
 528 };
 529
 530 typedef struct _RaidCfgData {
 531         IOCPage2_t      *pIocPg2;               /* table of Raid Volumes */
 532         IOCPage3_t      *pIocPg3;               /* table of physical disks */
 533         struct semaphore        inactive_list_mutex;
 534         struct list_head        inactive_list; /* link list for physical
 535                                                 disk that belong in
 536                                                 inactive volumes */
 537 }RaidCfgData;
 538
 539 typedef struct _FcCfgData {
 540         /* will ultimately hold fc_port_page0 also */
 541         struct {
 542                 FCPortPage1_t   *data;
 543                 dma_addr_t       dma;
 544                 int              pg_sz;
 545         }                        fc_port_page1[2];
 546 } FcCfgData;
 547
 548 #define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01    /* rport registered */
 549 #define MPT_RPORT_INFO_FLAGS_MISSING    0x02    /* missing from DevPage0 scan */
 550
 551 /*
 552  * data allocated for each fc rport device
 553  */
 554 struct mptfc_rport_info
 555 {
 556         struct list_head list;
 557         struct fc_rport *rport;
 558         struct scsi_target *starget;
 559         FCDevicePage0_t pg0;
 560         u8              flags;
 561 };
 562
 563 /*
 564  *  Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
 565  */
 566 typedef struct _MPT_ADAPTER
 567 {
 568         int                      id;            /* Unique adapter id N {0,1,2,...} */
 569         int                      pci_irq;       /* This irq           */
 570         char                     name[MPT_NAME_LENGTH]; /* "iocN"             */
 571         char                     prod_name[MPT_NAME_LENGTH];    /* "LSIFC9x9"         */
 572         char                     board_name[16];
 573         char                     board_assembly[16];
 574         char                     board_tracer[16];
 575         u16                      nvdata_version_persistent;
 576         u16                      nvdata_version_default;
 577         int                      debug_level;
 578         u8                       io_missing_delay;
 579         u8                       device_missing_delay;
 580         SYSIF_REGS __iomem      *chip;          /* == c8817000 (mmap) */
 581         SYSIF_REGS __iomem      *pio_chip;      /* Programmed IO (downloadboot) */
 582         u8                       bus_type;
 583         u32                      mem_phys;      /* == f4020000 (mmap) */
 584         u32                      pio_mem_phys;  /* Programmed IO (downloadboot) */
 585         int                      mem_size;      /* mmap memory size */
 586         int                      number_of_buses;
 587         int                      devices_per_bus;
 588         int                      alloc_total;
 589         u32                      last_state;
 590         int                      active;
 591         u8                      *alloc;         /* frames alloc ptr */
 592         dma_addr_t               alloc_dma;
 593         u32                      alloc_sz;
 594         MPT_FRAME_HDR           *reply_frames;  /* Reply msg frames - rounded up! */
 595         u32                      reply_frames_low_dma;
 596         int                      reply_depth;   /* Num Allocated reply frames */
 597         int                      reply_sz;      /* Reply frame size */
 598         int                      num_chain;     /* Number of chain buffers */
 599                 /* Pool of buffers for chaining. ReqToChain
 600                  * and ChainToChain track index of chain buffers.
 601                  * ChainBuffer (DMA) virt/phys addresses.
 602                  * FreeChainQ (lock) locking mechanisms.
 603                  */
 604         int                     *ReqToChain;
 605         int                     *RequestNB;
 606         int                     *ChainToChain;
 607         u8                      *ChainBuffer;
 608         dma_addr_t               ChainBufferDMA;
 609         struct list_head         FreeChainQ;
 610         spinlock_t               FreeChainQlock;
 611                 /* We (host driver) get to manage our own RequestQueue! */
 612         dma_addr_t               req_frames_dma;
 613         MPT_FRAME_HDR           *req_frames;    /* Request msg frames - rounded up! */
 614         u32                      req_frames_low_dma;
 615         int                      req_depth;     /* Number of request frames */
 616         int                      req_sz;        /* Request frame size (bytes) */
 617         spinlock_t               FreeQlock;
 618         struct list_head         FreeQ;
 619                 /* Pool of SCSI sense buffers for commands coming from
 620                  * the SCSI mid-layer.  We have one 256 byte sense buffer
 621                  * for each REQ entry.
 622                  */
 623         u8                      *sense_buf_pool;
 624         dma_addr_t               sense_buf_pool_dma;
 625         u32                      sense_buf_low_dma;
 626         u8                      *HostPageBuffer; /* SAS - host page buffer support */
 627         u32                     HostPageBuffer_sz;
 628         dma_addr_t              HostPageBuffer_dma;
 629         int                      mtrr_reg;
 630         struct pci_dev          *pcidev;        /* struct pci_dev pointer */
 631         u8                      __iomem *memmap;        /* mmap address */
 632         struct Scsi_Host        *sh;            /* Scsi Host pointer */
 633         SpiCfgData              spi_data;       /* Scsi config. data */
 634         RaidCfgData             raid_data;      /* Raid config. data */
 635         SasCfgData              sas_data;       /* Sas config. data */
 636         FcCfgData               fc_data;        /* Fc config. data */
 637         MPT_IOCTL               *ioctl;         /* ioctl data pointer */
 638         struct proc_dir_entry   *ioc_dentry;
 639         struct _MPT_ADAPTER     *alt_ioc;       /* ptr to 929 bound adapter port */
 640         spinlock_t               diagLock;      /* diagnostic reset lock */
 641         int                      diagPending;
 642         u32                      biosVersion;   /* BIOS version from IO Unit Page 2 */
 643         int                      eventTypes;    /* Event logging parameters */
 644         int                      eventContext;  /* Next event context */
 645         int                      eventLogSize;  /* Max number of cached events */
 646         struct _mpt_ioctl_events *events;       /* pointer to event log */
 647         u8                      *cached_fw;     /* Pointer to FW */
 648         dma_addr_t              cached_fw_dma;
 649         struct list_head         configQ;       /* linked list of config. requests */
 650         int                      hs_reply_idx;
 651 #ifndef MFCNT
 652         u32                      pad0;
 653 #else
 654         u32                      mfcnt;
 655 #endif
 656         u32                      NB_for_64_byte_frame;
 657         u32                      hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
 658         u16                      hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
 659         IOCFactsReply_t          facts;
 660         PortFactsReply_t         pfacts[2];
 661         FCPortPage0_t            fc_port_page0[2];
 662         struct timer_list        persist_timer; /* persist table timer */
 663         int                      persist_wait_done; /* persist completion flag */
 664         u8                       persist_reply_frame[MPT_DEFAULT_FRAME_SIZE]; /* persist reply */
 665         LANPage0_t               lan_cnfg_page0;
 666         LANPage1_t               lan_cnfg_page1;
 667
 668         u8                       ir_firmware; /* =1 if IR firmware detected */
 669         /*
 670          * Description: errata_flag_1064
 671          * If a PCIX read occurs within 1 or 2 cycles after the chip receives
 672          * a split completion for a read data, an internal address pointer incorrectly
 673          * increments by 32 bytes
 674          */
 675         int                      errata_flag_1064;
 676         int                      aen_event_read_flag; /* flag to indicate event log was read*/
 677         u8                       FirstWhoInit;
 678         u8                       upload_fw;     /* If set, do a fw upload */
 679         u8                       reload_fw;     /* Force a FW Reload on next reset */
 680         u8                       NBShiftFactor;  /* NB Shift Factor based on Block Size (Facts)  */
 681         u8                       pad1[4];
 682         u8                       DoneCtx;
 683         u8                       TaskCtx;
 684         u8                       InternalCtx;
 685         spinlock_t               initializing_hba_lock;
 686         int                      initializing_hba_lock_flag;
 687         struct list_head         list;
 688         struct net_device       *netdev;
 689         struct list_head         sas_topology;
 690         struct mutex             sas_topology_mutex;
 691         struct mutex             sas_discovery_mutex;
 692         u8                       sas_discovery_runtime;
 693         u8                       sas_discovery_ignore_events;
 694         u16                      handle;
 695         int                      sas_index; /* index refrencing */
 696         MPT_SAS_MGMT             sas_mgmt;
 697         struct work_struct       sas_persist_task;
 698
 699         struct work_struct       fc_setup_reset_work;
 700         struct list_head         fc_rports;
 701         struct work_struct       fc_lsc_work;
 702         u8                       fc_link_speed[2];
 703         spinlock_t               fc_rescan_work_lock;
 704         struct work_struct       fc_rescan_work;
 705         char                     fc_rescan_work_q_name[KOBJ_NAME_LEN];
 706         struct workqueue_struct *fc_rescan_work_q;
 707 } MPT_ADAPTER;
 708
 709 /*
 710  *  New return value convention:
 711  *    1 = Ok to free associated request frame
 712  *    0 = not Ok ...
 713  */
 714 typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
 715 typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
 716 typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
 717 /* reset_phase defs */
 718 #define MPT_IOC_PRE_RESET               0
 719 #define MPT_IOC_POST_RESET              1
 720 #define MPT_IOC_SETUP_RESET             2
 721
 722 /*
 723  * Invent MPT host event (super-set of MPI Events)
 724  * Fitted to 1030's 64-byte [max] request frame size
 725  */
 726 typedef struct _MPT_HOST_EVENT {
 727         EventNotificationReply_t         MpiEvent;      /* 8 32-bit words! */
 728         u32                              pad[6];
 729         void                            *next;
 730 } MPT_HOST_EVENT;
 731
 732 #define MPT_HOSTEVENT_IOC_BRINGUP       0x91
 733 #define MPT_HOSTEVENT_IOC_RECOVER       0x92
 734
 735 /* Define the generic types based on the size
 736  * of the dma_addr_t type.
 737  */
 738 typedef struct _mpt_sge {
 739         u32             FlagsLength;
 740         dma_addr_t      Address;
 741 } MptSge_t;
 742
 743 #define mpt_addr_size() \
 744         ((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SGE_FLAGS_64_BIT_ADDRESSING : \
 745                 MPI_SGE_FLAGS_32_BIT_ADDRESSING)
 746
 747 #define mpt_msg_flags() \
 748         ((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 : \
 749                 MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32)
 750
 751 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 752 /*
 753  *  Funky (private) macros...
 754  */
 755 #include "mptdebug.h"
 756
 757 #define MPT_INDEX_2_MFPTR(ioc,idx) \
 758         (MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )
 759
 760 #define MFPTR_2_MPT_INDEX(ioc,mf) \
 761         (int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )
 762
 763 #define MPT_INDEX_2_RFPTR(ioc,idx) \
 764         (MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )
 765
 766 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 767
 768 #define SCSI_STD_SENSE_BYTES    18
 769 #define SCSI_STD_INQUIRY_BYTES  36
 770 #define SCSI_MAX_INQUIRY_BYTES  96
 771
 772 /*
 773  * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
 774  * Private to the driver.
 775  */
 776 /* LOCAL structure and fields used when processing
 777  * internally generated commands. These include:
 778  * bus scan, dv and config requests.
 779  */
 780 typedef struct _MPT_LOCAL_REPLY {
 781         ConfigPageHeader_t header;
 782         int     completion;
 783         u8      sense[SCSI_STD_SENSE_BYTES];
 784         u8      scsiStatus;
 785         u8      skip;
 786         u32     pad;
 787 } MPT_LOCAL_REPLY;
 788
 789 #define MPT_HOST_BUS_UNKNOWN            (0xFF)
 790 #define MPT_HOST_TOO_MANY_TM            (0x05)
 791 #define MPT_HOST_NVRAM_INVALID          (0xFFFFFFFF)
 792 #define MPT_HOST_NO_CHAIN               (0xFFFFFFFF)
 793 #define MPT_NVRAM_MASK_TIMEOUT          (0x000000FF)
 794 #define MPT_NVRAM_SYNC_MASK             (0x0000FF00)
 795 #define MPT_NVRAM_SYNC_SHIFT            (8)
 796 #define MPT_NVRAM_DISCONNECT_ENABLE     (0x00010000)
 797 #define MPT_NVRAM_ID_SCAN_ENABLE        (0x00020000)
 798 #define MPT_NVRAM_LUN_SCAN_ENABLE       (0x00040000)
 799 #define MPT_NVRAM_TAG_QUEUE_ENABLE      (0x00080000)
 800 #define MPT_NVRAM_WIDE_DISABLE          (0x00100000)
 801 #define MPT_NVRAM_BOOT_CHOICE           (0x00200000)
 802
 803 /* The TM_STATE variable is used to provide strict single threading of TM
 804  * requests as well as communicate TM error conditions.
 805  */
 806 #define TM_STATE_NONE          (0)
 807 #define TM_STATE_IN_PROGRESS   (1)
 808 #define TM_STATE_ERROR         (2)
 809
 810 typedef enum {
 811         FC,
 812         SPI,
 813         SAS
 814 } BUS_TYPE;
 815
 816 typedef struct _MPT_SCSI_HOST {
 817         MPT_ADAPTER              *ioc;
 818         int                       port;
 819         u32                       pad0;
 820         struct scsi_cmnd        **ScsiLookup;
 821         MPT_LOCAL_REPLY          *pLocal;               /* used for internal commands */
 822         struct timer_list         timer;
 823                 /* Pool of memory for holding SCpnts before doing
 824                  * OS callbacks. freeQ is the free pool.
 825                  */
 826         u8                        tmPending;
 827         u8                        resetPending;
 828         u8                        negoNvram;            /* DV disabled, nego NVRAM */
 829         u8                        pad1;
 830         u8                        tmState;
 831         u8                        rsvd[2];
 832         MPT_FRAME_HDR            *cmdPtr;               /* Ptr to nonOS request */
 833         struct scsi_cmnd         *abortSCpnt;
 834         MPT_LOCAL_REPLY           localReply;           /* internal cmd reply struct */
 835         unsigned long             hard_resets;          /* driver forced bus resets count */
 836         unsigned long             soft_resets;          /* fw/external bus resets count */
 837         unsigned long             timeouts;             /* cmd timeouts */
 838         ushort                    sel_timeout[MPT_MAX_FC_DEVICES];
 839         char                      *info_kbuf;
 840         wait_queue_head_t         scandv_waitq;
 841         int                       scandv_wait_done;
 842         long                      last_queue_full;
 843         u16                       tm_iocstatus;
 844         u16                       spi_pending;
 845         struct list_head          target_reset_list;
 846 } MPT_SCSI_HOST;
 847
 848 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 849 /*
 850  *      More Dynamic Multi-Pathing stuff...
 851  */
 852
 853 /* Forward decl, a strange C thing, to prevent gcc compiler warnings */
 854 struct scsi_cmnd;
 855
 856 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 857 /*
 858  * Generic structure passed to the base mpt_config function.
 859  */
 860 typedef struct _x_config_parms {
 861         struct list_head         linkage;       /* linked list */
 862         struct timer_list        timer;         /* timer function for this request  */
 863         union {
 864                 ConfigExtendedPageHeader_t      *ehdr;
 865                 ConfigPageHeader_t      *hdr;
 866         } cfghdr;
 867         dma_addr_t               physAddr;
 868         int                      wait_done;     /* wait for this request */
 869         u32                      pageAddr;      /* properly formatted */
 870         u8                       action;
 871         u8                       dir;
 872         u8                       timeout;       /* seconds */
 873         u8                       pad1;
 874         u16                      status;
 875         u16                      pad2;
 876 } CONFIGPARMS;
 877
 878 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 879 /*
 880  *  Public entry points...
 881  */
 882 extern int       mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
 883 extern void      mpt_detach(struct pci_dev *pdev);
 884 #ifdef CONFIG_PM
 885 extern int       mpt_suspend(struct pci_dev *pdev, pm_message_t state);
 886 extern int       mpt_resume(struct pci_dev *pdev);
 887 #endif
 888 extern u8        mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
 889 extern void      mpt_deregister(u8 cb_idx);
 890 extern int       mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc);
 891 extern void      mpt_event_deregister(u8 cb_idx);
 892 extern int       mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func);
 893 extern void      mpt_reset_deregister(u8 cb_idx);
 894 extern int       mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx);
 895 extern void      mpt_device_driver_deregister(u8 cb_idx);
 896 extern MPT_FRAME_HDR    *mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc);
 897 extern void      mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 898 extern void      mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 899 extern void      mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 900 extern void      mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr);
 901
 902 extern int       mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
 903 extern int       mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
 904 extern u32       mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
 905 extern void      mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
 906 extern int       mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
 907 extern int       mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
 908 extern void      mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
 909 extern void      mpt_free_fw_memory(MPT_ADAPTER *ioc);
 910 extern int       mpt_findImVolumes(MPT_ADAPTER *ioc);
 911 extern int       mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
 912 extern int       mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk);
 913
 914 /*
 915  *  Public data decl's...
 916  */
 917 extern struct list_head   ioc_list;
 918 extern struct proc_dir_entry    *mpt_proc_root_dir;
 919
 920 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 921 #endif          /* } __KERNEL__ */
 922
 923 #if defined(__alpha__) || defined(__sparc_v9__) || defined(__ia64__) || defined(__x86_64__) || defined(__powerpc__)
 924 #define CAST_U32_TO_PTR(x)      ((void *)(u64)x)
 925 #define CAST_PTR_TO_U32(x)      ((u32)(u64)x)
 926 #else
 927 #define CAST_U32_TO_PTR(x)      ((void *)x)
 928 #define CAST_PTR_TO_U32(x)      ((u32)x)
 929 #endif
 930
 931 #define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
 932         ((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR)   ? 'I' : 'i',    \
 933         ((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET)      ? 'T' : 't',    \
 934         ((pflags) & MPI_PORTFACTS_PROTOCOL_LAN)         ? 'L' : 'l',    \
 935         ((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR)  ? 'B' : 'b'
 936
 937 /*
 938  *  Shifted SGE Defines - Use in SGE with FlagsLength member.
 939  *  Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
 940  *  Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
 941  */
 942 #define MPT_TRANSFER_IOC_TO_HOST                (0x00000000)
 943 #define MPT_TRANSFER_HOST_TO_IOC                (0x04000000)
 944 #define MPT_SGE_FLAGS_LAST_ELEMENT              (0x80000000)
 945 #define MPT_SGE_FLAGS_END_OF_BUFFER             (0x40000000)
 946 #define MPT_SGE_FLAGS_LOCAL_ADDRESS             (0x08000000)
 947 #define MPT_SGE_FLAGS_DIRECTION                 (0x04000000)
 948 #define MPT_SGE_FLAGS_ADDRESSING                (mpt_addr_size() << MPI_SGE_FLAGS_SHIFT)
 949 #define MPT_SGE_FLAGS_END_OF_LIST               (0x01000000)
 950
 951 #define MPT_SGE_FLAGS_TRANSACTION_ELEMENT       (0x00000000)
 952 #define MPT_SGE_FLAGS_SIMPLE_ELEMENT            (0x10000000)
 953 #define MPT_SGE_FLAGS_CHAIN_ELEMENT             (0x30000000)
 954 #define MPT_SGE_FLAGS_ELEMENT_MASK              (0x30000000)
 955
 956 #define MPT_SGE_FLAGS_SSIMPLE_READ \
 957         (MPT_SGE_FLAGS_LAST_ELEMENT |   \
 958          MPT_SGE_FLAGS_END_OF_BUFFER |  \
 959          MPT_SGE_FLAGS_END_OF_LIST |    \
 960          MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
 961          MPT_SGE_FLAGS_ADDRESSING | \
 962          MPT_TRANSFER_IOC_TO_HOST)
 963 #define MPT_SGE_FLAGS_SSIMPLE_WRITE \
 964         (MPT_SGE_FLAGS_LAST_ELEMENT |   \
 965          MPT_SGE_FLAGS_END_OF_BUFFER |  \
 966          MPT_SGE_FLAGS_END_OF_LIST |    \
 967          MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
 968          MPT_SGE_FLAGS_ADDRESSING | \
 969          MPT_TRANSFER_HOST_TO_IOC)
 970
 971 /*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 972 #endif
 973