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        "3.04.20"
  80 #define MPT_LINUX_PACKAGE_NAME          "@(#)mptlinux-3.04.20"
  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_CALLBACKNAME_LEN        49
  93 #define MPT_MAX_BUS                     1       /* Do not change */
  94 #define MPT_MAX_FC_DEVICES              255
  95 #define MPT_MAX_SCSI_DEVICES            16
  96 #define MPT_LAST_LUN                    255
  97 #define MPT_SENSE_BUFFER_ALLOC          64
  98         /* allow for 256 max sense alloc, but only 255 max request */
  99 #if MPT_SENSE_BUFFER_ALLOC >= 256
 100 #       undef MPT_SENSE_BUFFER_ALLOC
 101 #       define MPT_SENSE_BUFFER_ALLOC   256
 102 #       define MPT_SENSE_BUFFER_SIZE    255
 103 #else
 104 #       define MPT_SENSE_BUFFER_SIZE    MPT_SENSE_BUFFER_ALLOC
 105 #endif
 106
 107 #define MPT_NAME_LENGTH                 32
 108 #define MPT_KOBJ_NAME_LEN               20
 109
 110 #define MPT_PROCFS_MPTBASEDIR           "mpt"
 111                                                 /* chg it to "driver/fusion" ? */
 112 #define MPT_PROCFS_SUMMARY_ALL_NODE             MPT_PROCFS_MPTBASEDIR "/summary"
 113 #define MPT_PROCFS_SUMMARY_ALL_PATHNAME         "/proc/" MPT_PROCFS_SUMMARY_ALL_NODE
 114 #define MPT_FW_REV_MAGIC_ID_STRING              "FwRev="
 115
 116 #define  MPT_MAX_REQ_DEPTH              1023
 117 #define  MPT_DEFAULT_REQ_DEPTH          256
 118 #define  MPT_MIN_REQ_DEPTH              128
 119
 120 #define  MPT_MAX_REPLY_DEPTH            MPT_MAX_REQ_DEPTH
 121 #define  MPT_DEFAULT_REPLY_DEPTH        128
 122 #define  MPT_MIN_REPLY_DEPTH            8
 123 #define  MPT_MAX_REPLIES_PER_ISR        32
 124
 125 #define  MPT_MAX_FRAME_SIZE             128
 126 #define  MPT_DEFAULT_FRAME_SIZE         128
 127
 128 #define  MPT_REPLY_FRAME_SIZE           0x50  /* Must be a multiple of 8 */
 129
 130 #define  MPT_SG_REQ_128_SCALE           1
 131 #define  MPT_SG_REQ_96_SCALE            2
 132 #define  MPT_SG_REQ_64_SCALE            4
 133
 134 #define  CAN_SLEEP                      1
 135 #define  NO_SLEEP                       0
 136
 137 #define MPT_COALESCING_TIMEOUT          0x10
 138
 139
 140 /*
 141  * SCSI transfer rate defines.
 142  */
 143 #define MPT_ULTRA320                    0x08
 144 #define MPT_ULTRA160                    0x09
 145 #define MPT_ULTRA2                      0x0A
 146 #define MPT_ULTRA                       0x0C
 147 #define MPT_FAST                        0x19
 148 #define MPT_SCSI                        0x32
 149 #define MPT_ASYNC                       0xFF
 150
 151 #define MPT_NARROW                      0
 152 #define MPT_WIDE                        1
 153
 154 #define C0_1030                         0x08
 155 #define XL_929                          0x01
 156
 157
 158 /*
 159  *      Try to keep these at 2^N-1
 160  */
 161 #define MPT_FC_CAN_QUEUE        1024
 162 #define MPT_SCSI_CAN_QUEUE      127
 163 #define MPT_SAS_CAN_QUEUE       127
 164
 165 /*
 166  * Set the MAX_SGE value based on user input.
 167  */
 168 #ifdef CONFIG_FUSION_MAX_SGE
 169 #if CONFIG_FUSION_MAX_SGE  < 16
 170 #define MPT_SCSI_SG_DEPTH       16
 171 #elif CONFIG_FUSION_MAX_SGE  > 128
 172 #define MPT_SCSI_SG_DEPTH       128
 173 #else
 174 #define MPT_SCSI_SG_DEPTH       CONFIG_FUSION_MAX_SGE
 175 #endif
 176 #else
 177 #define MPT_SCSI_SG_DEPTH       40
 178 #endif
 179
 180 #ifdef CONFIG_FUSION_MAX_FC_SGE
 181 #if CONFIG_FUSION_MAX_FC_SGE  < 16
 182 #define MPT_SCSI_FC_SG_DEPTH    16
 183 #elif CONFIG_FUSION_MAX_FC_SGE  > 256
 184 #define MPT_SCSI_FC_SG_DEPTH    256
 185 #else
 186 #define MPT_SCSI_FC_SG_DEPTH    CONFIG_FUSION_MAX_FC_SGE
 187 #endif
 188 #else
 189 #define MPT_SCSI_FC_SG_DEPTH    40
 190 #endif
 191
 192 /* debug print string length used for events and iocstatus */
 193 # define EVENT_DESCR_STR_SZ             100
 194
 195 #define MPT_POLLING_INTERVAL            1000    /* in milliseconds */
 196
 197 #ifdef __KERNEL__       /* { */
 198 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 199
 200 #include <linux/proc_fs.h>
 201
 202 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 203 /*
 204  * Attempt semi-consistent error & warning msgs across
 205  * MPT drivers.  NOTE: Users of these macro defs must
 206  * themselves define their own MYNAM.
 207  */
 208 #define MYIOC_s_FMT                     MYNAM ": %s: "
 209 #define MYIOC_s_DEBUG_FMT               KERN_DEBUG MYNAM ": %s: "
 210 #define MYIOC_s_INFO_FMT                KERN_INFO MYNAM ": %s: "
 211 #define MYIOC_s_NOTE_FMT                KERN_NOTICE MYNAM ": %s: "
 212 #define MYIOC_s_WARN_FMT                KERN_WARNING MYNAM ": %s: WARNING - "
 213 #define MYIOC_s_ERR_FMT                 KERN_ERR MYNAM ": %s: ERROR - "
 214
 215 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 216 /*
 217  *  ATTO UL4D associated structures and defines
 218  */
 219 #define ATTOFLAG_DISC     0x0001
 220 #define ATTOFLAG_TAGGED   0x0002
 221 #define ATTOFLAG_WIDE_ENB 0x0008
 222 #define ATTOFLAG_ID_ENB   0x0010
 223 #define ATTOFLAG_LUN_ENB  0x0060
 224
 225 typedef struct _ATTO_DEVICE_INFO
 226 {
 227         u8      Offset;                                 /* 00h */
 228         u8      Period;                                 /* 01h */
 229         u16     ATTOFlags;                              /* 02h */
 230 } ATTO_DEVICE_INFO, MPI_POINTER PTR_ATTO_DEVICE_INFO,
 231   ATTODeviceInfo_t, MPI_POINTER pATTODeviceInfo_t;
 232
 233 typedef struct _ATTO_CONFIG_PAGE_SCSI_PORT_2
 234 {
 235         CONFIG_PAGE_HEADER      Header;                 /* 00h */
 236         u16                     PortFlags;              /* 04h */
 237         u16                     Unused1;                /* 06h */
 238         u32                     Unused2;                /* 08h */
 239         ATTO_DEVICE_INFO        DeviceSettings[16];     /* 0Ch */
 240 } fATTO_CONFIG_PAGE_SCSI_PORT_2, MPI_POINTER PTR_ATTO_CONFIG_PAGE_SCSI_PORT_2,
 241   ATTO_SCSIPortPage2_t, MPI_POINTER pATTO_SCSIPortPage2_t;
 242
 243
 244 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 245 /*
 246  *  MPT protocol driver defs...
 247  */
 248 typedef enum {
 249         MPTBASE_DRIVER,         /* MPT base class */
 250         MPTCTL_DRIVER,          /* MPT ioctl class */
 251         MPTSPI_DRIVER,          /* MPT SPI host class */
 252         MPTFC_DRIVER,           /* MPT FC host class */
 253         MPTSAS_DRIVER,          /* MPT SAS host class */
 254         MPTLAN_DRIVER,          /* MPT LAN class */
 255         MPTSTM_DRIVER,          /* MPT SCSI target mode class */
 256         MPTUNKNOWN_DRIVER
 257 } MPT_DRIVER_CLASS;
 258
 259 struct mpt_pci_driver{
 260         int  (*probe) (struct pci_dev *dev, const struct pci_device_id *id);
 261         void (*remove) (struct pci_dev *dev);
 262 };
 263
 264 /*
 265  *  MPT adapter / port / bus / device info structures...
 266  */
 267
 268 typedef union _MPT_FRAME_TRACKER {
 269         struct {
 270                 struct list_head        list;
 271                 u32                      arg1;
 272                 u32                      pad;
 273                 void                    *argp1;
 274         } linkage;
 275         /*
 276          * NOTE: When request frames are free, on the linkage structure
 277          * contets are valid.  All other values are invalid.
 278          * In particular, do NOT reply on offset [2]
 279          * (in words) being the * message context.
 280          * The message context must be reset (computed via base address
 281          * + an offset) prior to issuing any command.
 282          *
 283          * NOTE2: On non-32-bit systems, where pointers are LARGE,
 284          * using the linkage pointers destroys our sacred MsgContext
 285          * field contents.  But we don't care anymore because these
 286          * are now reset in mpt_put_msg_frame() just prior to sending
 287          * a request off to the IOC.
 288          */
 289         struct {
 290                 u32 __hdr[2];
 291                 /*
 292                  * The following _MUST_ match the location of the
 293                  * MsgContext field in the MPT message headers.
 294                  */
 295                 union {
 296                         u32              MsgContext;
 297                         struct {
 298                                 u16      req_idx;       /* Request index */
 299                                 u8       cb_idx;        /* callback function index */
 300                                 u8       rsvd;
 301                         } fld;
 302                 } msgctxu;
 303         } hwhdr;
 304         /*
 305          * Remark: 32 bit identifier:
 306          *  31-24: reserved
 307          *  23-16: call back index
 308          *  15-0 : request index
 309          */
 310 } MPT_FRAME_TRACKER;
 311
 312 /*
 313  *  We might want to view/access a frame as:
 314  *    1) generic request header
 315  *    2) SCSIIORequest
 316  *    3) SCSIIOReply
 317  *    4) MPIDefaultReply
 318  *    5) frame tracker
 319  */
 320 typedef struct _MPT_FRAME_HDR {
 321         union {
 322                 MPIHeader_t             hdr;
 323                 SCSIIORequest_t         scsireq;
 324                 SCSIIOReply_t           sreply;
 325                 ConfigReply_t           configreply;
 326                 MPIDefaultReply_t       reply;
 327                 MPT_FRAME_TRACKER       frame;
 328         } u;
 329 } MPT_FRAME_HDR;
 330
 331 #define MPT_REQ_MSGFLAGS_DROPME         0x80
 332
 333 typedef struct _MPT_SGL_HDR {
 334         SGESimple32_t    sge[1];
 335 } MPT_SGL_HDR;
 336
 337 typedef struct _MPT_SGL64_HDR {
 338         SGESimple64_t    sge[1];
 339 } MPT_SGL64_HDR;
 340
 341 /*
 342  *  System interface register set
 343  */
 344
 345 typedef struct _SYSIF_REGS
 346 {
 347         u32     Doorbell;       /* 00     System<->IOC Doorbell reg  */
 348         u32     WriteSequence;  /* 04     Write Sequence register    */
 349         u32     Diagnostic;     /* 08     Diagnostic register        */
 350         u32     TestBase;       /* 0C     Test Base Address          */
 351         u32     DiagRwData;     /* 10     Read Write Data (fw download)   */
 352         u32     DiagRwAddress;  /* 14     Read Write Address (fw download)*/
 353         u32     Reserved1[6];   /* 18-2F  reserved for future use    */
 354         u32     IntStatus;      /* 30     Interrupt Status           */
 355         u32     IntMask;        /* 34     Interrupt Mask             */
 356         u32     Reserved2[2];   /* 38-3F  reserved for future use    */
 357         u32     RequestFifo;    /* 40     Request Post/Free FIFO     */
 358         u32     ReplyFifo;      /* 44     Reply   Post/Free FIFO     */
 359         u32     RequestHiPriFifo; /* 48   Hi Priority Request FIFO   */
 360         u32     Reserved3;      /* 4C-4F  reserved for future use    */
 361         u32     HostIndex;      /* 50     Host Index register        */
 362         u32     Reserved4[15];  /* 54-8F                             */
 363         u32     Fubar;          /* 90     For Fubar usage            */
 364         u32     Reserved5[1050];/* 94-10F8                           */
 365         u32     Reset_1078;     /* 10FC   Reset 1078                 */
 366 } SYSIF_REGS;
 367
 368 /*
 369  * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
 370  * in conjunction with SYSIF_REGS accesses!
 371  */
 372
 373
 374 /*
 375  *      Dynamic Multi-Pathing specific stuff...
 376  */
 377
 378 /* VirtTarget negoFlags field */
 379 #define MPT_TARGET_NO_NEGO_WIDE         0x01
 380 #define MPT_TARGET_NO_NEGO_SYNC         0x02
 381 #define MPT_TARGET_NO_NEGO_QAS          0x04
 382 #define MPT_TAPE_NEGO_IDP               0x08
 383
 384 /*
 385  *      VirtDevice - FC LUN device or SCSI target device
 386  */
 387 typedef struct _VirtTarget {
 388         struct scsi_target      *starget;
 389         u8                       tflags;
 390         u8                       ioc_id;
 391         u8                       id;
 392         u8                       channel;
 393         u8                       minSyncFactor; /* 0xFF is async */
 394         u8                       maxOffset;     /* 0 if async */
 395         u8                       maxWidth;      /* 0 if narrow, 1 if wide */
 396         u8                       negoFlags;     /* bit field, see above */
 397         u8                       raidVolume;    /* set, if RAID Volume */
 398         u8                       type;          /* byte 0 of Inquiry data */
 399         u8                       deleted;       /* target in process of being removed */
 400         u8                       inDMD;         /* currently in the device
 401                                                    removal delay timer */
 402         u32                      num_luns;
 403 } VirtTarget;
 404
 405 typedef struct _VirtDevice {
 406         VirtTarget              *vtarget;
 407         u8                       configured_lun;
 408         int                      lun;
 409 } VirtDevice;
 410
 411 /*
 412  *  Fibre Channel (SCSI) target device and associated defines...
 413  */
 414 #define MPT_TARGET_DEFAULT_DV_STATUS    0x00
 415 #define MPT_TARGET_FLAGS_VALID_NEGO     0x01
 416 #define MPT_TARGET_FLAGS_VALID_INQUIRY  0x02
 417 #define MPT_TARGET_FLAGS_Q_YES          0x08
 418 #define MPT_TARGET_FLAGS_VALID_56       0x10
 419 #define MPT_TARGET_FLAGS_SAF_TE_ISSUED  0x20
 420 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x40
 421 #define MPT_TARGET_FLAGS_LED_ON         0x80
 422
 423 /*
 424  *      IOCTL structure and associated defines
 425  */
 426
 427 #define MPTCTL_RESET_OK                 0x01    /* Issue Bus Reset */
 428
 429 #define MPT_MGMT_STATUS_RF_VALID        0x01    /* The Reply Frame is VALID */
 430 #define MPT_MGMT_STATUS_COMMAND_GOOD    0x02    /* Command Status GOOD */
 431 #define MPT_MGMT_STATUS_PENDING         0x04    /* command is pending */
 432 #define MPT_MGMT_STATUS_DID_IOCRESET    0x08    /* IOC Reset occurred
 433                                                    on the current*/
 434 #define MPT_MGMT_STATUS_SENSE_VALID     0x10    /* valid sense info */
 435 #define MPT_MGMT_STATUS_TIMER_ACTIVE    0x20    /* obsolete */
 436 #define MPT_MGMT_STATUS_FREE_MF         0x40    /* free the mf from
 437                                                    complete routine */
 438
 439 #define INITIALIZE_MGMT_STATUS(status) \
 440         status = MPT_MGMT_STATUS_PENDING;
 441 #define CLEAR_MGMT_STATUS(status) \
 442         status = 0;
 443 #define CLEAR_MGMT_PENDING_STATUS(status) \
 444         status &= ~MPT_MGMT_STATUS_PENDING;
 445 #define SET_MGMT_MSG_CONTEXT(msg_context, value) \
 446         msg_context = value;
 447
 448 typedef struct _MPT_MGMT {
 449         struct mutex             mutex;
 450         struct completion        done;
 451         u8                       reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
 452         u8                       sense[MPT_SENSE_BUFFER_ALLOC];
 453         u8                       status;        /* current command status */
 454         int                      completion_code;
 455         u32                      msg_context;
 456 } MPT_MGMT;
 457
 458 /*
 459  *  Event Structure and define
 460  */
 461 #define MPTCTL_EVENT_LOG_SIZE           (0x000000032)
 462 typedef struct _mpt_ioctl_events {
 463         u32     event;          /* Specified by define above */
 464         u32     eventContext;   /* Index or counter */
 465         u32     data[2];        /* First 8 bytes of Event Data */
 466 } MPT_IOCTL_EVENTS;
 467
 468 /*
 469  * CONFIGPARM status  defines
 470  */
 471 #define MPT_CONFIG_GOOD         MPI_IOCSTATUS_SUCCESS
 472 #define MPT_CONFIG_ERROR        0x002F
 473
 474 /*
 475  *      Substructure to store SCSI specific configuration page data
 476  */
 477                                                 /* dvStatus defines: */
 478 #define MPT_SCSICFG_USE_NVRAM           0x01    /* WriteSDP1 using NVRAM */
 479 #define MPT_SCSICFG_ALL_IDS             0x02    /* WriteSDP1 to all IDS */
 480 /* #define MPT_SCSICFG_BLK_NEGO         0x10       WriteSDP1 with WDTR and SDTR disabled */
 481
 482 typedef struct _SpiCfgData {
 483         u32              PortFlags;
 484         int             *nvram;                 /* table of device NVRAM values */
 485         IOCPage4_t      *pIocPg4;               /* SEP devices addressing */
 486         dma_addr_t       IocPg4_dma;            /* Phys Addr of IOCPage4 data */
 487         int              IocPg4Sz;              /* IOCPage4 size */
 488         u8               minSyncFactor;         /* 0xFF if async */
 489         u8               maxSyncOffset;         /* 0 if async */
 490         u8               maxBusWidth;           /* 0 if narrow, 1 if wide */
 491         u8               busType;               /* SE, LVD, HD */
 492         u8               sdp1version;           /* SDP1 version */
 493         u8               sdp1length;            /* SDP1 length  */
 494         u8               sdp0version;           /* SDP0 version */
 495         u8               sdp0length;            /* SDP0 length  */
 496         u8               dvScheduled;           /* 1 if scheduled */
 497         u8               noQas;                 /* Disable QAS for this adapter */
 498         u8               Saf_Te;                /* 1 to force all Processors as
 499                                                  * SAF-TE if Inquiry data length
 500                                                  * is too short to check for SAF-TE
 501                                                  */
 502         u8               bus_reset;             /* 1 to allow bus reset */
 503         u8               rsvd[1];
 504 }SpiCfgData;
 505
 506 typedef struct _SasCfgData {
 507         u8               ptClear;               /* 1 to automatically clear the
 508                                                  * persistent table.
 509                                                  * 0 to disable
 510                                                  * automatic clearing.
 511                                                  */
 512 }SasCfgData;
 513
 514 /*
 515  * Inactive volume link list of raid component data
 516  * @inactive_list
 517  */
 518 struct inactive_raid_component_info {
 519         struct   list_head list;
 520         u8               volumeID;              /* volume target id */
 521         u8               volumeBus;             /* volume channel */
 522         IOC_3_PHYS_DISK  d;                     /* phys disk info */
 523 };
 524
 525 typedef struct _RaidCfgData {
 526         IOCPage2_t      *pIocPg2;               /* table of Raid Volumes */
 527         IOCPage3_t      *pIocPg3;               /* table of physical disks */
 528         struct mutex    inactive_list_mutex;
 529         struct list_head        inactive_list; /* link list for physical
 530                                                 disk that belong in
 531                                                 inactive volumes */
 532 }RaidCfgData;
 533
 534 typedef struct _FcCfgData {
 535         /* will ultimately hold fc_port_page0 also */
 536         struct {
 537                 FCPortPage1_t   *data;
 538                 dma_addr_t       dma;
 539                 int              pg_sz;
 540         }                        fc_port_page1[2];
 541 } FcCfgData;
 542
 543 #define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01    /* rport registered */
 544 #define MPT_RPORT_INFO_FLAGS_MISSING    0x02    /* missing from DevPage0 scan */
 545
 546 /*
 547  * data allocated for each fc rport device
 548  */
 549 struct mptfc_rport_info
 550 {
 551         struct list_head list;
 552         struct fc_rport *rport;
 553         struct scsi_target *starget;
 554         FCDevicePage0_t pg0;
 555         u8              flags;
 556 };
 557
 558 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 559
 560 /*
 561  * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
 562  * Private to the driver.
 563  */
 564
 565 #define MPT_HOST_BUS_UNKNOWN            (0xFF)
 566 #define MPT_HOST_TOO_MANY_TM            (0x05)
 567 #define MPT_HOST_NVRAM_INVALID          (0xFFFFFFFF)
 568 #define MPT_HOST_NO_CHAIN               (0xFFFFFFFF)
 569 #define MPT_NVRAM_MASK_TIMEOUT          (0x000000FF)
 570 #define MPT_NVRAM_SYNC_MASK             (0x0000FF00)
 571 #define MPT_NVRAM_SYNC_SHIFT            (8)
 572 #define MPT_NVRAM_DISCONNECT_ENABLE     (0x00010000)
 573 #define MPT_NVRAM_ID_SCAN_ENABLE        (0x00020000)
 574 #define MPT_NVRAM_LUN_SCAN_ENABLE       (0x00040000)
 575 #define MPT_NVRAM_TAG_QUEUE_ENABLE      (0x00080000)
 576 #define MPT_NVRAM_WIDE_DISABLE          (0x00100000)
 577 #define MPT_NVRAM_BOOT_CHOICE           (0x00200000)
 578
 579 typedef enum {
 580         FC,
 581         SPI,
 582         SAS
 583 } BUS_TYPE;
 584
 585 typedef struct _MPT_SCSI_HOST {
 586         struct _MPT_ADAPTER              *ioc;
 587         ushort                    sel_timeout[MPT_MAX_FC_DEVICES];
 588         char                      *info_kbuf;
 589         long                      last_queue_full;
 590         u16                       spi_pending;
 591         struct list_head          target_reset_list;
 592 } MPT_SCSI_HOST;
 593
 594 typedef void (*MPT_ADD_SGE)(void *pAddr, u32 flagslength, dma_addr_t dma_addr);
 595 typedef void (*MPT_ADD_CHAIN)(void *pAddr, u8 next, u16 length,
 596                 dma_addr_t dma_addr);
 597 typedef void (*MPT_SCHEDULE_TARGET_RESET)(void *ioc);
 598 typedef void (*MPT_FLUSH_RUNNING_CMDS)(MPT_SCSI_HOST *hd);
 599
 600 /*
 601  *  Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
 602  */
 603 typedef struct _MPT_ADAPTER
 604 {
 605         int                      id;            /* Unique adapter id N {0,1,2,...} */
 606         int                      pci_irq;       /* This irq           */
 607         char                     name[MPT_NAME_LENGTH]; /* "iocN"             */
 608         char                     prod_name[MPT_NAME_LENGTH];    /* "LSIFC9x9"         */
 609 #ifdef CONFIG_FUSION_LOGGING
 610         /* used in mpt_display_event_info */
 611         char                     evStr[EVENT_DESCR_STR_SZ];
 612 #endif
 613         char                     board_name[16];
 614         char                     board_assembly[16];
 615         char                     board_tracer[16];
 616         u16                      nvdata_version_persistent;
 617         u16                      nvdata_version_default;
 618         int                      debug_level;
 619         u8                       io_missing_delay;
 620         u16                      device_missing_delay;
 621         SYSIF_REGS __iomem      *chip;          /* == c8817000 (mmap) */
 622         SYSIF_REGS __iomem      *pio_chip;      /* Programmed IO (downloadboot) */
 623         u8                       bus_type;
 624         u32                      mem_phys;      /* == f4020000 (mmap) */
 625         u32                      pio_mem_phys;  /* Programmed IO (downloadboot) */
 626         int                      mem_size;      /* mmap memory size */
 627         int                      number_of_buses;
 628         int                      devices_per_bus;
 629         int                      alloc_total;
 630         u32                      last_state;
 631         int                      active;
 632         u8                      *alloc;         /* frames alloc ptr */
 633         dma_addr_t               alloc_dma;
 634         u32                      alloc_sz;
 635         MPT_FRAME_HDR           *reply_frames;  /* Reply msg frames - rounded up! */
 636         u32                      reply_frames_low_dma;
 637         int                      reply_depth;   /* Num Allocated reply frames */
 638         int                      reply_sz;      /* Reply frame size */
 639         int                      num_chain;     /* Number of chain buffers */
 640         MPT_ADD_SGE              add_sge;       /* Pointer to add_sge
 641                                                    function */
 642         MPT_ADD_CHAIN            add_chain;     /* Pointer to add_chain
 643                                                    function */
 644                 /* Pool of buffers for chaining. ReqToChain
 645                  * and ChainToChain track index of chain buffers.
 646                  * ChainBuffer (DMA) virt/phys addresses.
 647                  * FreeChainQ (lock) locking mechanisms.
 648                  */
 649         int                     *ReqToChain;
 650         int                     *RequestNB;
 651         int                     *ChainToChain;
 652         u8                      *ChainBuffer;
 653         dma_addr_t               ChainBufferDMA;
 654         struct list_head         FreeChainQ;
 655         spinlock_t               FreeChainQlock;
 656                 /* We (host driver) get to manage our own RequestQueue! */
 657         dma_addr_t               req_frames_dma;
 658         MPT_FRAME_HDR           *req_frames;    /* Request msg frames - rounded up! */
 659         u32                      req_frames_low_dma;
 660         int                      req_depth;     /* Number of request frames */
 661         int                      req_sz;        /* Request frame size (bytes) */
 662         spinlock_t               FreeQlock;
 663         struct list_head         FreeQ;
 664                 /* Pool of SCSI sense buffers for commands coming from
 665                  * the SCSI mid-layer.  We have one 256 byte sense buffer
 666                  * for each REQ entry.
 667                  */
 668         u8                      *sense_buf_pool;
 669         dma_addr_t               sense_buf_pool_dma;
 670         u32                      sense_buf_low_dma;
 671         u8                      *HostPageBuffer; /* SAS - host page buffer support */
 672         u32                     HostPageBuffer_sz;
 673         dma_addr_t              HostPageBuffer_dma;
 674         int                      mtrr_reg;
 675         struct pci_dev          *pcidev;        /* struct pci_dev pointer */
 676         int                     bars;           /* bitmask of BAR's that must be configured */
 677         int                     msi_enable;
 678         u8                      __iomem *memmap;        /* mmap address */
 679         struct Scsi_Host        *sh;            /* Scsi Host pointer */
 680         SpiCfgData              spi_data;       /* Scsi config. data */
 681         RaidCfgData             raid_data;      /* Raid config. data */
 682         SasCfgData              sas_data;       /* Sas config. data */
 683         FcCfgData               fc_data;        /* Fc config. data */
 684         struct proc_dir_entry   *ioc_dentry;
 685         struct _MPT_ADAPTER     *alt_ioc;       /* ptr to 929 bound adapter port */
 686         u32                      biosVersion;   /* BIOS version from IO Unit Page 2 */
 687         int                      eventTypes;    /* Event logging parameters */
 688         int                      eventContext;  /* Next event context */
 689         int                      eventLogSize;  /* Max number of cached events */
 690         struct _mpt_ioctl_events *events;       /* pointer to event log */
 691         u8                      *cached_fw;     /* Pointer to FW */
 692         dma_addr_t              cached_fw_dma;
 693         int                      hs_reply_idx;
 694 #ifndef MFCNT
 695         u32                      pad0;
 696 #else
 697         u32                      mfcnt;
 698 #endif
 699         u32                      NB_for_64_byte_frame;
 700         u32                      hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
 701         u16                      hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
 702         IOCFactsReply_t          facts;
 703         PortFactsReply_t         pfacts[2];
 704         FCPortPage0_t            fc_port_page0[2];
 705         LANPage0_t               lan_cnfg_page0;
 706         LANPage1_t               lan_cnfg_page1;
 707
 708         u8                       ir_firmware; /* =1 if IR firmware detected */
 709         /*
 710          * Description: errata_flag_1064
 711          * If a PCIX read occurs within 1 or 2 cycles after the chip receives
 712          * a split completion for a read data, an internal address pointer incorrectly
 713          * increments by 32 bytes
 714          */
 715         int                      errata_flag_1064;
 716         int                      aen_event_read_flag; /* flag to indicate event log was read*/
 717         u8                       FirstWhoInit;
 718         u8                       upload_fw;     /* If set, do a fw upload */
 719         u8                       NBShiftFactor;  /* NB Shift Factor based on Block Size (Facts)  */
 720         u8                       pad1[4];
 721         u8                       DoneCtx;
 722         u8                       TaskCtx;
 723         u8                       InternalCtx;
 724         struct list_head         list;
 725         struct net_device       *netdev;
 726         struct list_head         sas_topology;
 727         struct mutex             sas_topology_mutex;
 728
 729         struct workqueue_struct *fw_event_q;
 730         struct list_head         fw_event_list;
 731         spinlock_t               fw_event_lock;
 732         u8                       fw_events_off; /* if '1', then ignore events */
 733         char                     fw_event_q_name[MPT_KOBJ_NAME_LEN];
 734
 735         struct mutex             sas_discovery_mutex;
 736         u8                       sas_discovery_runtime;
 737         u8                       sas_discovery_ignore_events;
 738
 739         /* port_info object for the host */
 740         struct mptsas_portinfo  *hba_port_info;
 741         u64                      hba_port_sas_addr;
 742         u16                      hba_port_num_phy;
 743         struct list_head         sas_device_info_list;
 744         struct mutex             sas_device_info_mutex;
 745         u8                       old_sas_discovery_protocal;
 746         u8                       sas_discovery_quiesce_io;
 747         int                      sas_index; /* index refrencing */
 748         MPT_MGMT                 sas_mgmt;
 749         MPT_MGMT                 mptbase_cmds; /* for sending config pages */
 750         MPT_MGMT                 internal_cmds;
 751         MPT_MGMT                 taskmgmt_cmds;
 752         MPT_MGMT                 ioctl_cmds;
 753         spinlock_t               taskmgmt_lock; /* diagnostic reset lock */
 754         int                      taskmgmt_in_progress;
 755         u8                       taskmgmt_quiesce_io;
 756         u8                       ioc_reset_in_progress;
 757         u8                       reset_status;
 758         u8                       wait_on_reset_completion;
 759         MPT_SCHEDULE_TARGET_RESET schedule_target_reset;
 760         MPT_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
 761         struct work_struct       sas_persist_task;
 762
 763         struct work_struct       fc_setup_reset_work;
 764         struct list_head         fc_rports;
 765         struct work_struct       fc_lsc_work;
 766         u8                       fc_link_speed[2];
 767         spinlock_t               fc_rescan_work_lock;
 768         struct work_struct       fc_rescan_work;
 769         char                     fc_rescan_work_q_name[MPT_KOBJ_NAME_LEN];
 770         struct workqueue_struct *fc_rescan_work_q;
 771
 772         /* driver forced bus resets count */
 773         unsigned long             hard_resets;
 774         /* fw/external bus resets count */
 775         unsigned long             soft_resets;
 776         /* cmd timeouts */
 777         unsigned long             timeouts;
 778
 779         struct scsi_cmnd        **ScsiLookup;
 780         spinlock_t                scsi_lookup_lock;
 781         u64                     dma_mask;
 782         u32                       broadcast_aen_busy;
 783         char                     reset_work_q_name[MPT_KOBJ_NAME_LEN];
 784         struct workqueue_struct *reset_work_q;
 785         struct delayed_work      fault_reset_work;
 786
 787         u8                      sg_addr_size;
 788         u8                      in_rescan;
 789         u8                      SGE_size;
 790
 791 } MPT_ADAPTER;
 792
 793 /*
 794  *  New return value convention:
 795  *    1 = Ok to free associated request frame
 796  *    0 = not Ok ...
 797  */
 798 typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
 799 typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
 800 typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
 801 /* reset_phase defs */
 802 #define MPT_IOC_PRE_RESET               0
 803 #define MPT_IOC_POST_RESET              1
 804 #define MPT_IOC_SETUP_RESET             2
 805
 806 /*
 807  * Invent MPT host event (super-set of MPI Events)
 808  * Fitted to 1030's 64-byte [max] request frame size
 809  */
 810 typedef struct _MPT_HOST_EVENT {
 811         EventNotificationReply_t         MpiEvent;      /* 8 32-bit words! */
 812         u32                              pad[6];
 813         void                            *next;
 814 } MPT_HOST_EVENT;
 815
 816 #define MPT_HOSTEVENT_IOC_BRINGUP       0x91
 817 #define MPT_HOSTEVENT_IOC_RECOVER       0x92
 818
 819 /* Define the generic types based on the size
 820  * of the dma_addr_t type.
 821  */
 822 typedef struct _mpt_sge {
 823         u32             FlagsLength;
 824         dma_addr_t      Address;
 825 } MptSge_t;
 826
 827
 828 #define mpt_msg_flags(ioc) \
 829         (ioc->sg_addr_size == sizeof(u64)) ?            \
 830         MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 :             \
 831         MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32
 832
 833 #define MPT_SGE_FLAGS_64_BIT_ADDRESSING \
 834         (MPI_SGE_FLAGS_64_BIT_ADDRESSING << MPI_SGE_FLAGS_SHIFT)
 835
 836 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 837 /*
 838  *  Funky (private) macros...
 839  */
 840 #include "mptdebug.h"
 841
 842 #define MPT_INDEX_2_MFPTR(ioc,idx) \
 843         (MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )
 844
 845 #define MFPTR_2_MPT_INDEX(ioc,mf) \
 846         (int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )
 847
 848 #define MPT_INDEX_2_RFPTR(ioc,idx) \
 849         (MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )
 850
 851 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 852
 853 #define SCSI_STD_SENSE_BYTES    18
 854 #define SCSI_STD_INQUIRY_BYTES  36
 855 #define SCSI_MAX_INQUIRY_BYTES  96
 856
 857 /*
 858  * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
 859  * Private to the driver.
 860  */
 861 /* LOCAL structure and fields used when processing
 862  * internally generated commands. These include:
 863  * bus scan, dv and config requests.
 864  */
 865 typedef struct _MPT_LOCAL_REPLY {
 866         ConfigPageHeader_t header;
 867         int     completion;
 868         u8      sense[SCSI_STD_SENSE_BYTES];
 869         u8      scsiStatus;
 870         u8      skip;
 871         u32     pad;
 872 } MPT_LOCAL_REPLY;
 873
 874
 875 /* The TM_STATE variable is used to provide strict single threading of TM
 876  * requests as well as communicate TM error conditions.
 877  */
 878 #define TM_STATE_NONE          (0)
 879 #define TM_STATE_IN_PROGRESS   (1)
 880 #define TM_STATE_ERROR         (2)
 881
 882 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 883 /*
 884  *      More Dynamic Multi-Pathing stuff...
 885  */
 886
 887 /* Forward decl, a strange C thing, to prevent gcc compiler warnings */
 888 struct scsi_cmnd;
 889
 890 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 891 /*
 892  * Generic structure passed to the base mpt_config function.
 893  */
 894 typedef struct _x_config_parms {
 895         union {
 896                 ConfigExtendedPageHeader_t      *ehdr;
 897                 ConfigPageHeader_t      *hdr;
 898         } cfghdr;
 899         dma_addr_t               physAddr;
 900         u32                      pageAddr;      /* properly formatted */
 901         u16                      status;
 902         u8                       action;
 903         u8                       dir;
 904         u8                       timeout;       /* seconds */
 905 } CONFIGPARMS;
 906
 907 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 908 /*
 909  *  Public entry points...
 910  */
 911 extern int       mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
 912 extern void      mpt_detach(struct pci_dev *pdev);
 913 #ifdef CONFIG_PM
 914 extern int       mpt_suspend(struct pci_dev *pdev, pm_message_t state);
 915 extern int       mpt_resume(struct pci_dev *pdev);
 916 #endif
 917 extern u8        mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass,
 918                 char *func_name);
 919 extern void      mpt_deregister(u8 cb_idx);
 920 extern int       mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc);
 921 extern void      mpt_event_deregister(u8 cb_idx);
 922 extern int       mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func);
 923 extern void      mpt_reset_deregister(u8 cb_idx);
 924 extern int       mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx);
 925 extern void      mpt_device_driver_deregister(u8 cb_idx);
 926 extern MPT_FRAME_HDR    *mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc);
 927 extern void      mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 928 extern void      mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 929 extern void      mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 930
 931 extern int       mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
 932 extern int       mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
 933 extern u32       mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
 934 extern void      mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
 935 extern int       mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
 936 extern int       mpt_Soft_Hard_ResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
 937 extern int       mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
 938 extern int       mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
 939 extern void      mpt_free_fw_memory(MPT_ADAPTER *ioc);
 940 extern int       mpt_findImVolumes(MPT_ADAPTER *ioc);
 941 extern int       mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
 942 extern int       mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk);
 943 extern int      mpt_raid_phys_disk_pg1(MPT_ADAPTER *ioc, u8 phys_disk_num,
 944                 pRaidPhysDiskPage1_t phys_disk);
 945 extern int      mpt_raid_phys_disk_get_num_paths(MPT_ADAPTER *ioc,
 946                 u8 phys_disk_num);
 947 extern int       mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
 948 extern void      mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
 949 extern void     mpt_halt_firmware(MPT_ADAPTER *ioc);
 950
 951
 952 /*
 953  *  Public data decl's...
 954  */
 955 extern struct list_head   ioc_list;
 956 extern int mpt_fwfault_debug;
 957
 958 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 959 #endif          /* } __KERNEL__ */
 960
 961 #ifdef CONFIG_64BIT
 962 #define CAST_U32_TO_PTR(x)      ((void *)(u64)x)
 963 #define CAST_PTR_TO_U32(x)      ((u32)(u64)x)
 964 #else
 965 #define CAST_U32_TO_PTR(x)      ((void *)x)
 966 #define CAST_PTR_TO_U32(x)      ((u32)x)
 967 #endif
 968
 969 #define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
 970         ((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR)   ? 'I' : 'i',    \
 971         ((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET)      ? 'T' : 't',    \
 972         ((pflags) & MPI_PORTFACTS_PROTOCOL_LAN)         ? 'L' : 'l',    \
 973         ((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR)  ? 'B' : 'b'
 974
 975 /*
 976  *  Shifted SGE Defines - Use in SGE with FlagsLength member.
 977  *  Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
 978  *  Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
 979  */
 980 #define MPT_TRANSFER_IOC_TO_HOST                (0x00000000)
 981 #define MPT_TRANSFER_HOST_TO_IOC                (0x04000000)
 982 #define MPT_SGE_FLAGS_LAST_ELEMENT              (0x80000000)
 983 #define MPT_SGE_FLAGS_END_OF_BUFFER             (0x40000000)
 984 #define MPT_SGE_FLAGS_LOCAL_ADDRESS             (0x08000000)
 985 #define MPT_SGE_FLAGS_DIRECTION                 (0x04000000)
 986 #define MPT_SGE_FLAGS_END_OF_LIST               (0x01000000)
 987
 988 #define MPT_SGE_FLAGS_TRANSACTION_ELEMENT       (0x00000000)
 989 #define MPT_SGE_FLAGS_SIMPLE_ELEMENT            (0x10000000)
 990 #define MPT_SGE_FLAGS_CHAIN_ELEMENT             (0x30000000)
 991 #define MPT_SGE_FLAGS_ELEMENT_MASK              (0x30000000)
 992
 993 #define MPT_SGE_FLAGS_SSIMPLE_READ \
 994         (MPT_SGE_FLAGS_LAST_ELEMENT |   \
 995          MPT_SGE_FLAGS_END_OF_BUFFER |  \
 996          MPT_SGE_FLAGS_END_OF_LIST |    \
 997          MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
 998          MPT_TRANSFER_IOC_TO_HOST)
 999 #define MPT_SGE_FLAGS_SSIMPLE_WRITE \
1000         (MPT_SGE_FLAGS_LAST_ELEMENT |   \
1001          MPT_SGE_FLAGS_END_OF_BUFFER |  \
1002          MPT_SGE_FLAGS_END_OF_LIST |    \
1003          MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1004          MPT_TRANSFER_HOST_TO_IOC)
1005
1006 /*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1007 #endif
1008