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        "3.04.10"
  80 #define MPT_LINUX_PACKAGE_NAME          "@(#)mptlinux-3.04.09"
  81 #define WHAT_MAGIC_STRING               "@" "(" "#" ")"
  82
  83 #define show_mptmod_ver(s,ver)  \
  84         printk(KERN_INFO "%s %s\n", s, ver);
  85
  86 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  87 /*
  88  *  Fusion MPT(linux) driver configurable stuff...
  89  */
  90 #define MPT_MAX_ADAPTERS                18
  91 #define MPT_MAX_PROTOCOL_DRIVERS        16
  92 #define MPT_MAX_BUS                     1       /* Do not change */
  93 #define MPT_MAX_FC_DEVICES              255
  94 #define MPT_MAX_SCSI_DEVICES            16
  95 #define MPT_LAST_LUN                    255
  96 #define MPT_SENSE_BUFFER_ALLOC          64
  97         /* allow for 256 max sense alloc, but only 255 max request */
  98 #if MPT_SENSE_BUFFER_ALLOC >= 256
  99 #       undef MPT_SENSE_BUFFER_ALLOC
 100 #       define MPT_SENSE_BUFFER_ALLOC   256
 101 #       define MPT_SENSE_BUFFER_SIZE    255
 102 #else
 103 #       define MPT_SENSE_BUFFER_SIZE    MPT_SENSE_BUFFER_ALLOC
 104 #endif
 105
 106 #define MPT_NAME_LENGTH                 32
 107 #define MPT_KOBJ_NAME_LEN               20
 108
 109 #define MPT_PROCFS_MPTBASEDIR           "mpt"
 110                                                 /* chg it to "driver/fusion" ? */
 111 #define MPT_PROCFS_SUMMARY_ALL_NODE             MPT_PROCFS_MPTBASEDIR "/summary"
 112 #define MPT_PROCFS_SUMMARY_ALL_PATHNAME         "/proc/" MPT_PROCFS_SUMMARY_ALL_NODE
 113 #define MPT_FW_REV_MAGIC_ID_STRING              "FwRev="
 114
 115 #define  MPT_MAX_REQ_DEPTH              1023
 116 #define  MPT_DEFAULT_REQ_DEPTH          256
 117 #define  MPT_MIN_REQ_DEPTH              128
 118
 119 #define  MPT_MAX_REPLY_DEPTH            MPT_MAX_REQ_DEPTH
 120 #define  MPT_DEFAULT_REPLY_DEPTH        128
 121 #define  MPT_MIN_REPLY_DEPTH            8
 122 #define  MPT_MAX_REPLIES_PER_ISR        32
 123
 124 #define  MPT_MAX_FRAME_SIZE             128
 125 #define  MPT_DEFAULT_FRAME_SIZE         128
 126
 127 #define  MPT_REPLY_FRAME_SIZE           0x50  /* Must be a multiple of 8 */
 128
 129 #define  MPT_SG_REQ_128_SCALE           1
 130 #define  MPT_SG_REQ_96_SCALE            2
 131 #define  MPT_SG_REQ_64_SCALE            4
 132
 133 #define  CAN_SLEEP                      1
 134 #define  NO_SLEEP                       0
 135
 136 #define MPT_COALESCING_TIMEOUT          0x10
 137
 138
 139 /*
 140  * SCSI transfer rate defines.
 141  */
 142 #define MPT_ULTRA320                    0x08
 143 #define MPT_ULTRA160                    0x09
 144 #define MPT_ULTRA2                      0x0A
 145 #define MPT_ULTRA                       0x0C
 146 #define MPT_FAST                        0x19
 147 #define MPT_SCSI                        0x32
 148 #define MPT_ASYNC                       0xFF
 149
 150 #define MPT_NARROW                      0
 151 #define MPT_WIDE                        1
 152
 153 #define C0_1030                         0x08
 154 #define XL_929                          0x01
 155
 156
 157 /*
 158  *      Try to keep these at 2^N-1
 159  */
 160 #define MPT_FC_CAN_QUEUE        127
 161 #define MPT_SCSI_CAN_QUEUE      127
 162
 163 /*
 164  * Set the MAX_SGE value based on user input.
 165  */
 166 #ifdef CONFIG_FUSION_MAX_SGE
 167 #if CONFIG_FUSION_MAX_SGE  < 16
 168 #define MPT_SCSI_SG_DEPTH       16
 169 #elif CONFIG_FUSION_MAX_SGE  > 128
 170 #define MPT_SCSI_SG_DEPTH       128
 171 #else
 172 #define MPT_SCSI_SG_DEPTH       CONFIG_FUSION_MAX_SGE
 173 #endif
 174 #else
 175 #define MPT_SCSI_SG_DEPTH       40
 176 #endif
 177
 178 #ifdef CONFIG_FUSION_MAX_FC_SGE
 179 #if CONFIG_FUSION_MAX_FC_SGE  < 16
 180 #define MPT_SCSI_FC_SG_DEPTH    16
 181 #elif CONFIG_FUSION_MAX_FC_SGE  > 256
 182 #define MPT_SCSI_FC_SG_DEPTH    256
 183 #else
 184 #define MPT_SCSI_FC_SG_DEPTH    CONFIG_FUSION_MAX_FC_SGE
 185 #endif
 186 #else
 187 #define MPT_SCSI_FC_SG_DEPTH    40
 188 #endif
 189
 190 /* debug print string length used for events and iocstatus */
 191 # define EVENT_DESCR_STR_SZ             100
 192
 193 #define MPT_POLLING_INTERVAL            1000    /* in milliseconds */
 194
 195 #ifdef __KERNEL__       /* { */
 196 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 197
 198 #include <linux/proc_fs.h>
 199
 200 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 201 /*
 202  * Attempt semi-consistent error & warning msgs across
 203  * MPT drivers.  NOTE: Users of these macro defs must
 204  * themselves define their own MYNAM.
 205  */
 206 #define MYIOC_s_FMT                     MYNAM ": %s: "
 207 #define MYIOC_s_DEBUG_FMT               KERN_DEBUG MYNAM ": %s: "
 208 #define MYIOC_s_INFO_FMT                KERN_INFO MYNAM ": %s: "
 209 #define MYIOC_s_NOTE_FMT                KERN_NOTICE MYNAM ": %s: "
 210 #define MYIOC_s_WARN_FMT                KERN_WARNING MYNAM ": %s: WARNING - "
 211 #define MYIOC_s_ERR_FMT                 KERN_ERR MYNAM ": %s: ERROR - "
 212
 213 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 214 /*
 215  *  ATTO UL4D associated structures and defines
 216  */
 217 #define ATTOFLAG_DISC     0x0001
 218 #define ATTOFLAG_TAGGED   0x0002
 219 #define ATTOFLAG_WIDE_ENB 0x0008
 220 #define ATTOFLAG_ID_ENB   0x0010
 221 #define ATTOFLAG_LUN_ENB  0x0060
 222
 223 typedef struct _ATTO_DEVICE_INFO
 224 {
 225         u8      Offset;                                 /* 00h */
 226         u8      Period;                                 /* 01h */
 227         u16     ATTOFlags;                              /* 02h */
 228 } ATTO_DEVICE_INFO, MPI_POINTER PTR_ATTO_DEVICE_INFO,
 229   ATTODeviceInfo_t, MPI_POINTER pATTODeviceInfo_t;
 230
 231 typedef struct _ATTO_CONFIG_PAGE_SCSI_PORT_2
 232 {
 233         CONFIG_PAGE_HEADER      Header;                 /* 00h */
 234         u16                     PortFlags;              /* 04h */
 235         u16                     Unused1;                /* 06h */
 236         u32                     Unused2;                /* 08h */
 237         ATTO_DEVICE_INFO        DeviceSettings[16];     /* 0Ch */
 238 } fATTO_CONFIG_PAGE_SCSI_PORT_2, MPI_POINTER PTR_ATTO_CONFIG_PAGE_SCSI_PORT_2,
 239   ATTO_SCSIPortPage2_t, MPI_POINTER pATTO_SCSIPortPage2_t;
 240
 241
 242 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 243 /*
 244  *  MPT protocol driver defs...
 245  */
 246 typedef enum {
 247         MPTBASE_DRIVER,         /* MPT base class */
 248         MPTCTL_DRIVER,          /* MPT ioctl class */
 249         MPTSPI_DRIVER,          /* MPT SPI host class */
 250         MPTFC_DRIVER,           /* MPT FC host class */
 251         MPTSAS_DRIVER,          /* MPT SAS host class */
 252         MPTLAN_DRIVER,          /* MPT LAN class */
 253         MPTSTM_DRIVER,          /* MPT SCSI target mode class */
 254         MPTUNKNOWN_DRIVER
 255 } MPT_DRIVER_CLASS;
 256
 257 struct mpt_pci_driver{
 258         int  (*probe) (struct pci_dev *dev, const struct pci_device_id *id);
 259         void (*remove) (struct pci_dev *dev);
 260 };
 261
 262 /*
 263  *  MPT adapter / port / bus / device info structures...
 264  */
 265
 266 typedef union _MPT_FRAME_TRACKER {
 267         struct {
 268                 struct list_head        list;
 269                 u32                      arg1;
 270                 u32                      pad;
 271                 void                    *argp1;
 272         } linkage;
 273         /*
 274          * NOTE: When request frames are free, on the linkage structure
 275          * contets are valid.  All other values are invalid.
 276          * In particular, do NOT reply on offset [2]
 277          * (in words) being the * message context.
 278          * The message context must be reset (computed via base address
 279          * + an offset) prior to issuing any command.
 280          *
 281          * NOTE2: On non-32-bit systems, where pointers are LARGE,
 282          * using the linkage pointers destroys our sacred MsgContext
 283          * field contents.  But we don't care anymore because these
 284          * are now reset in mpt_put_msg_frame() just prior to sending
 285          * a request off to the IOC.
 286          */
 287         struct {
 288                 u32 __hdr[2];
 289                 /*
 290                  * The following _MUST_ match the location of the
 291                  * MsgContext field in the MPT message headers.
 292                  */
 293                 union {
 294                         u32              MsgContext;
 295                         struct {
 296                                 u16      req_idx;       /* Request index */
 297                                 u8       cb_idx;        /* callback function index */
 298                                 u8       rsvd;
 299                         } fld;
 300                 } msgctxu;
 301         } hwhdr;
 302         /*
 303          * Remark: 32 bit identifier:
 304          *  31-24: reserved
 305          *  23-16: call back index
 306          *  15-0 : request index
 307          */
 308 } MPT_FRAME_TRACKER;
 309
 310 /*
 311  *  We might want to view/access a frame as:
 312  *    1) generic request header
 313  *    2) SCSIIORequest
 314  *    3) SCSIIOReply
 315  *    4) MPIDefaultReply
 316  *    5) frame tracker
 317  */
 318 typedef struct _MPT_FRAME_HDR {
 319         union {
 320                 MPIHeader_t             hdr;
 321                 SCSIIORequest_t         scsireq;
 322                 SCSIIOReply_t           sreply;
 323                 ConfigReply_t           configreply;
 324                 MPIDefaultReply_t       reply;
 325                 MPT_FRAME_TRACKER       frame;
 326         } u;
 327 } MPT_FRAME_HDR;
 328
 329 #define MPT_REQ_MSGFLAGS_DROPME         0x80
 330
 331 typedef struct _MPT_SGL_HDR {
 332         SGESimple32_t    sge[1];
 333 } MPT_SGL_HDR;
 334
 335 typedef struct _MPT_SGL64_HDR {
 336         SGESimple64_t    sge[1];
 337 } MPT_SGL64_HDR;
 338
 339 /*
 340  *  System interface register set
 341  */
 342
 343 typedef struct _SYSIF_REGS
 344 {
 345         u32     Doorbell;       /* 00     System<->IOC Doorbell reg  */
 346         u32     WriteSequence;  /* 04     Write Sequence register    */
 347         u32     Diagnostic;     /* 08     Diagnostic register        */
 348         u32     TestBase;       /* 0C     Test Base Address          */
 349         u32     DiagRwData;     /* 10     Read Write Data (fw download)   */
 350         u32     DiagRwAddress;  /* 14     Read Write Address (fw download)*/
 351         u32     Reserved1[6];   /* 18-2F  reserved for future use    */
 352         u32     IntStatus;      /* 30     Interrupt Status           */
 353         u32     IntMask;        /* 34     Interrupt Mask             */
 354         u32     Reserved2[2];   /* 38-3F  reserved for future use    */
 355         u32     RequestFifo;    /* 40     Request Post/Free FIFO     */
 356         u32     ReplyFifo;      /* 44     Reply   Post/Free FIFO     */
 357         u32     RequestHiPriFifo; /* 48   Hi Priority Request FIFO   */
 358         u32     Reserved3;      /* 4C-4F  reserved for future use    */
 359         u32     HostIndex;      /* 50     Host Index register        */
 360         u32     Reserved4[15];  /* 54-8F                             */
 361         u32     Fubar;          /* 90     For Fubar usage            */
 362         u32     Reserved5[1050];/* 94-10F8                           */
 363         u32     Reset_1078;     /* 10FC   Reset 1078                 */
 364 } SYSIF_REGS;
 365
 366 /*
 367  * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
 368  * in conjunction with SYSIF_REGS accesses!
 369  */
 370
 371
 372 /*
 373  *      Dynamic Multi-Pathing specific stuff...
 374  */
 375
 376 /* VirtTarget negoFlags field */
 377 #define MPT_TARGET_NO_NEGO_WIDE         0x01
 378 #define MPT_TARGET_NO_NEGO_SYNC         0x02
 379 #define MPT_TARGET_NO_NEGO_QAS          0x04
 380 #define MPT_TAPE_NEGO_IDP               0x08
 381
 382 /*
 383  *      VirtDevice - FC LUN device or SCSI target device
 384  */
 385 typedef struct _VirtTarget {
 386         struct scsi_target      *starget;
 387         u8                       tflags;
 388         u8                       ioc_id;
 389         u8                       id;
 390         u8                       channel;
 391         u8                       minSyncFactor; /* 0xFF is async */
 392         u8                       maxOffset;     /* 0 if async */
 393         u8                       maxWidth;      /* 0 if narrow, 1 if wide */
 394         u8                       negoFlags;     /* bit field, see above */
 395         u8                       raidVolume;    /* set, if RAID Volume */
 396         u8                       type;          /* byte 0 of Inquiry data */
 397         u8                       deleted;       /* target in process of being removed */
 398         u32                      num_luns;
 399 } VirtTarget;
 400
 401 typedef struct _VirtDevice {
 402         VirtTarget              *vtarget;
 403         u8                       configured_lun;
 404         int                      lun;
 405 } VirtDevice;
 406
 407 /*
 408  *  Fibre Channel (SCSI) target device and associated defines...
 409  */
 410 #define MPT_TARGET_DEFAULT_DV_STATUS    0x00
 411 #define MPT_TARGET_FLAGS_VALID_NEGO     0x01
 412 #define MPT_TARGET_FLAGS_VALID_INQUIRY  0x02
 413 #define MPT_TARGET_FLAGS_Q_YES          0x08
 414 #define MPT_TARGET_FLAGS_VALID_56       0x10
 415 #define MPT_TARGET_FLAGS_SAF_TE_ISSUED  0x20
 416 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x40
 417 #define MPT_TARGET_FLAGS_LED_ON         0x80
 418
 419 /*
 420  *      /proc/mpt interface
 421  */
 422 typedef struct {
 423         const char      *name;
 424         mode_t           mode;
 425         int              pad;
 426         read_proc_t     *read_proc;
 427         write_proc_t    *write_proc;
 428 } mpt_proc_entry_t;
 429
 430 #define MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len) \
 431 do { \
 432         len -= offset;                  \
 433         if (len < request) {            \
 434                 *eof = 1;               \
 435                 if (len <= 0)           \
 436                         return 0;       \
 437         } else                          \
 438                 len = request;          \
 439         *start = buf + offset;          \
 440         return len;                     \
 441 } while (0)
 442
 443
 444 /*
 445  *      IOCTL structure and associated defines
 446  */
 447
 448 #define MPTCTL_RESET_OK                 0x01    /* Issue Bus Reset */
 449
 450 #define MPT_MGMT_STATUS_RF_VALID        0x01    /* The Reply Frame is VALID */
 451 #define MPT_MGMT_STATUS_COMMAND_GOOD    0x02    /* Command Status GOOD */
 452 #define MPT_MGMT_STATUS_PENDING         0x04    /* command is pending */
 453 #define MPT_MGMT_STATUS_DID_IOCRESET    0x08    /* IOC Reset occurred
 454                                                    on the current*/
 455 #define MPT_MGMT_STATUS_SENSE_VALID     0x10    /* valid sense info */
 456 #define MPT_MGMT_STATUS_TIMER_ACTIVE    0x20    /* obsolete */
 457 #define MPT_MGMT_STATUS_FREE_MF         0x40    /* free the mf from
 458                                                    complete routine */
 459
 460 #define INITIALIZE_MGMT_STATUS(status) \
 461         status = MPT_MGMT_STATUS_PENDING;
 462 #define CLEAR_MGMT_STATUS(status) \
 463         status = 0;
 464 #define CLEAR_MGMT_PENDING_STATUS(status) \
 465         status &= ~MPT_MGMT_STATUS_PENDING;
 466 #define SET_MGMT_MSG_CONTEXT(msg_context, value) \
 467         msg_context = value;
 468
 469 typedef struct _MPT_MGMT {
 470         struct mutex             mutex;
 471         struct completion        done;
 472         u8                       reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
 473         u8                       sense[MPT_SENSE_BUFFER_ALLOC];
 474         u8                       status;        /* current command status */
 475         int                      completion_code;
 476         u32                      msg_context;
 477 } MPT_MGMT;
 478
 479 /*
 480  *  Event Structure and define
 481  */
 482 #define MPTCTL_EVENT_LOG_SIZE           (0x000000032)
 483 typedef struct _mpt_ioctl_events {
 484         u32     event;          /* Specified by define above */
 485         u32     eventContext;   /* Index or counter */
 486         u32     data[2];        /* First 8 bytes of Event Data */
 487 } MPT_IOCTL_EVENTS;
 488
 489 /*
 490  * CONFIGPARM status  defines
 491  */
 492 #define MPT_CONFIG_GOOD         MPI_IOCSTATUS_SUCCESS
 493 #define MPT_CONFIG_ERROR        0x002F
 494
 495 /*
 496  *      Substructure to store SCSI specific configuration page data
 497  */
 498                                                 /* dvStatus defines: */
 499 #define MPT_SCSICFG_USE_NVRAM           0x01    /* WriteSDP1 using NVRAM */
 500 #define MPT_SCSICFG_ALL_IDS             0x02    /* WriteSDP1 to all IDS */
 501 /* #define MPT_SCSICFG_BLK_NEGO         0x10       WriteSDP1 with WDTR and SDTR disabled */
 502
 503 typedef struct _SpiCfgData {
 504         u32              PortFlags;
 505         int             *nvram;                 /* table of device NVRAM values */
 506         IOCPage4_t      *pIocPg4;               /* SEP devices addressing */
 507         dma_addr_t       IocPg4_dma;            /* Phys Addr of IOCPage4 data */
 508         int              IocPg4Sz;              /* IOCPage4 size */
 509         u8               minSyncFactor;         /* 0xFF if async */
 510         u8               maxSyncOffset;         /* 0 if async */
 511         u8               maxBusWidth;           /* 0 if narrow, 1 if wide */
 512         u8               busType;               /* SE, LVD, HD */
 513         u8               sdp1version;           /* SDP1 version */
 514         u8               sdp1length;            /* SDP1 length  */
 515         u8               sdp0version;           /* SDP0 version */
 516         u8               sdp0length;            /* SDP0 length  */
 517         u8               dvScheduled;           /* 1 if scheduled */
 518         u8               noQas;                 /* Disable QAS for this adapter */
 519         u8               Saf_Te;                /* 1 to force all Processors as
 520                                                  * SAF-TE if Inquiry data length
 521                                                  * is too short to check for SAF-TE
 522                                                  */
 523         u8               bus_reset;             /* 1 to allow bus reset */
 524         u8               rsvd[1];
 525 }SpiCfgData;
 526
 527 typedef struct _SasCfgData {
 528         u8               ptClear;               /* 1 to automatically clear the
 529                                                  * persistent table.
 530                                                  * 0 to disable
 531                                                  * automatic clearing.
 532                                                  */
 533 }SasCfgData;
 534
 535 /*
 536  * Inactive volume link list of raid component data
 537  * @inactive_list
 538  */
 539 struct inactive_raid_component_info {
 540         struct   list_head list;
 541         u8               volumeID;              /* volume target id */
 542         u8               volumeBus;             /* volume channel */
 543         IOC_3_PHYS_DISK  d;                     /* phys disk info */
 544 };
 545
 546 typedef struct _RaidCfgData {
 547         IOCPage2_t      *pIocPg2;               /* table of Raid Volumes */
 548         IOCPage3_t      *pIocPg3;               /* table of physical disks */
 549         struct mutex    inactive_list_mutex;
 550         struct list_head        inactive_list; /* link list for physical
 551                                                 disk that belong in
 552                                                 inactive volumes */
 553 }RaidCfgData;
 554
 555 typedef struct _FcCfgData {
 556         /* will ultimately hold fc_port_page0 also */
 557         struct {
 558                 FCPortPage1_t   *data;
 559                 dma_addr_t       dma;
 560                 int              pg_sz;
 561         }                        fc_port_page1[2];
 562 } FcCfgData;
 563
 564 #define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01    /* rport registered */
 565 #define MPT_RPORT_INFO_FLAGS_MISSING    0x02    /* missing from DevPage0 scan */
 566
 567 /*
 568  * data allocated for each fc rport device
 569  */
 570 struct mptfc_rport_info
 571 {
 572         struct list_head list;
 573         struct fc_rport *rport;
 574         struct scsi_target *starget;
 575         FCDevicePage0_t pg0;
 576         u8              flags;
 577 };
 578
 579 typedef void (*MPT_ADD_SGE)(void *pAddr, u32 flagslength, dma_addr_t dma_addr);
 580 typedef void (*MPT_ADD_CHAIN)(void *pAddr, u8 next, u16 length,
 581                 dma_addr_t dma_addr);
 582
 583 /*
 584  *  Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
 585  */
 586 typedef struct _MPT_ADAPTER
 587 {
 588         int                      id;            /* Unique adapter id N {0,1,2,...} */
 589         int                      pci_irq;       /* This irq           */
 590         char                     name[MPT_NAME_LENGTH]; /* "iocN"             */
 591         char                     prod_name[MPT_NAME_LENGTH];    /* "LSIFC9x9"         */
 592 #ifdef CONFIG_FUSION_LOGGING
 593         /* used in mpt_display_event_info */
 594         char                     evStr[EVENT_DESCR_STR_SZ];
 595 #endif
 596         char                     board_name[16];
 597         char                     board_assembly[16];
 598         char                     board_tracer[16];
 599         u16                      nvdata_version_persistent;
 600         u16                      nvdata_version_default;
 601         int                      debug_level;
 602         u8                       io_missing_delay;
 603         u8                       device_missing_delay;
 604         SYSIF_REGS __iomem      *chip;          /* == c8817000 (mmap) */
 605         SYSIF_REGS __iomem      *pio_chip;      /* Programmed IO (downloadboot) */
 606         u8                       bus_type;
 607         u32                      mem_phys;      /* == f4020000 (mmap) */
 608         u32                      pio_mem_phys;  /* Programmed IO (downloadboot) */
 609         int                      mem_size;      /* mmap memory size */
 610         int                      number_of_buses;
 611         int                      devices_per_bus;
 612         int                      alloc_total;
 613         u32                      last_state;
 614         int                      active;
 615         u8                      *alloc;         /* frames alloc ptr */
 616         dma_addr_t               alloc_dma;
 617         u32                      alloc_sz;
 618         MPT_FRAME_HDR           *reply_frames;  /* Reply msg frames - rounded up! */
 619         u32                      reply_frames_low_dma;
 620         int                      reply_depth;   /* Num Allocated reply frames */
 621         int                      reply_sz;      /* Reply frame size */
 622         int                      num_chain;     /* Number of chain buffers */
 623         MPT_ADD_SGE              add_sge;       /* Pointer to add_sge
 624                                                    function */
 625         MPT_ADD_CHAIN            add_chain;     /* Pointer to add_chain
 626                                                    function */
 627                 /* Pool of buffers for chaining. ReqToChain
 628                  * and ChainToChain track index of chain buffers.
 629                  * ChainBuffer (DMA) virt/phys addresses.
 630                  * FreeChainQ (lock) locking mechanisms.
 631                  */
 632         int                     *ReqToChain;
 633         int                     *RequestNB;
 634         int                     *ChainToChain;
 635         u8                      *ChainBuffer;
 636         dma_addr_t               ChainBufferDMA;
 637         struct list_head         FreeChainQ;
 638         spinlock_t               FreeChainQlock;
 639                 /* We (host driver) get to manage our own RequestQueue! */
 640         dma_addr_t               req_frames_dma;
 641         MPT_FRAME_HDR           *req_frames;    /* Request msg frames - rounded up! */
 642         u32                      req_frames_low_dma;
 643         int                      req_depth;     /* Number of request frames */
 644         int                      req_sz;        /* Request frame size (bytes) */
 645         spinlock_t               FreeQlock;
 646         struct list_head         FreeQ;
 647                 /* Pool of SCSI sense buffers for commands coming from
 648                  * the SCSI mid-layer.  We have one 256 byte sense buffer
 649                  * for each REQ entry.
 650                  */
 651         u8                      *sense_buf_pool;
 652         dma_addr_t               sense_buf_pool_dma;
 653         u32                      sense_buf_low_dma;
 654         u8                      *HostPageBuffer; /* SAS - host page buffer support */
 655         u32                     HostPageBuffer_sz;
 656         dma_addr_t              HostPageBuffer_dma;
 657         int                      mtrr_reg;
 658         struct pci_dev          *pcidev;        /* struct pci_dev pointer */
 659         int                     bars;           /* bitmask of BAR's that must be configured */
 660         int                     msi_enable;
 661         u8                      __iomem *memmap;        /* mmap address */
 662         struct Scsi_Host        *sh;            /* Scsi Host pointer */
 663         SpiCfgData              spi_data;       /* Scsi config. data */
 664         RaidCfgData             raid_data;      /* Raid config. data */
 665         SasCfgData              sas_data;       /* Sas config. data */
 666         FcCfgData               fc_data;        /* Fc config. data */
 667         struct proc_dir_entry   *ioc_dentry;
 668         struct _MPT_ADAPTER     *alt_ioc;       /* ptr to 929 bound adapter port */
 669         u32                      biosVersion;   /* BIOS version from IO Unit Page 2 */
 670         int                      eventTypes;    /* Event logging parameters */
 671         int                      eventContext;  /* Next event context */
 672         int                      eventLogSize;  /* Max number of cached events */
 673         struct _mpt_ioctl_events *events;       /* pointer to event log */
 674         u8                      *cached_fw;     /* Pointer to FW */
 675         dma_addr_t              cached_fw_dma;
 676         int                      hs_reply_idx;
 677 #ifndef MFCNT
 678         u32                      pad0;
 679 #else
 680         u32                      mfcnt;
 681 #endif
 682         u32                      NB_for_64_byte_frame;
 683         u32                      hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
 684         u16                      hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
 685         IOCFactsReply_t          facts;
 686         PortFactsReply_t         pfacts[2];
 687         FCPortPage0_t            fc_port_page0[2];
 688         LANPage0_t               lan_cnfg_page0;
 689         LANPage1_t               lan_cnfg_page1;
 690
 691         u8                       ir_firmware; /* =1 if IR firmware detected */
 692         /*
 693          * Description: errata_flag_1064
 694          * If a PCIX read occurs within 1 or 2 cycles after the chip receives
 695          * a split completion for a read data, an internal address pointer incorrectly
 696          * increments by 32 bytes
 697          */
 698         int                      errata_flag_1064;
 699         int                      aen_event_read_flag; /* flag to indicate event log was read*/
 700         u8                       FirstWhoInit;
 701         u8                       upload_fw;     /* If set, do a fw upload */
 702         u8                       NBShiftFactor;  /* NB Shift Factor based on Block Size (Facts)  */
 703         u8                       pad1[4];
 704         u8                       DoneCtx;
 705         u8                       TaskCtx;
 706         u8                       InternalCtx;
 707         struct list_head         list;
 708         struct net_device       *netdev;
 709         struct list_head         sas_topology;
 710         struct mutex             sas_topology_mutex;
 711
 712         struct workqueue_struct *fw_event_q;
 713         struct list_head         fw_event_list;
 714         spinlock_t               fw_event_lock;
 715         u8                       fw_events_off; /* if '1', then ignore events */
 716         char                     fw_event_q_name[MPT_KOBJ_NAME_LEN];
 717
 718         struct mutex             sas_discovery_mutex;
 719         u8                       sas_discovery_runtime;
 720         u8                       sas_discovery_ignore_events;
 721
 722         /* port_info object for the host */
 723         struct mptsas_portinfo  *hba_port_info;
 724         u64                      hba_port_sas_addr;
 725         u16                      hba_port_num_phy;
 726         struct list_head         sas_device_info_list;
 727         struct mutex             sas_device_info_mutex;
 728         u8                       old_sas_discovery_protocal;
 729         u8                       sas_discovery_quiesce_io;
 730         int                      sas_index; /* index refrencing */
 731         MPT_MGMT                 sas_mgmt;
 732         MPT_MGMT                 mptbase_cmds; /* for sending config pages */
 733         MPT_MGMT                 internal_cmds;
 734         MPT_MGMT                 taskmgmt_cmds;
 735         MPT_MGMT                 ioctl_cmds;
 736         spinlock_t               taskmgmt_lock; /* diagnostic reset lock */
 737         int                      taskmgmt_in_progress;
 738         u8                       taskmgmt_quiesce_io;
 739         u8                       ioc_reset_in_progress;
 740         struct work_struct       sas_persist_task;
 741
 742         struct work_struct       fc_setup_reset_work;
 743         struct list_head         fc_rports;
 744         struct work_struct       fc_lsc_work;
 745         u8                       fc_link_speed[2];
 746         spinlock_t               fc_rescan_work_lock;
 747         struct work_struct       fc_rescan_work;
 748         char                     fc_rescan_work_q_name[MPT_KOBJ_NAME_LEN];
 749         struct workqueue_struct *fc_rescan_work_q;
 750
 751         /* driver forced bus resets count */
 752         unsigned long             hard_resets;
 753         /* fw/external bus resets count */
 754         unsigned long             soft_resets;
 755         /* cmd timeouts */
 756         unsigned long             timeouts;
 757
 758         struct scsi_cmnd        **ScsiLookup;
 759         spinlock_t                scsi_lookup_lock;
 760         u64                     dma_mask;
 761         u32                       broadcast_aen_busy;
 762         char                     reset_work_q_name[MPT_KOBJ_NAME_LEN];
 763         struct workqueue_struct *reset_work_q;
 764         struct delayed_work      fault_reset_work;
 765
 766         u8                      sg_addr_size;
 767         u8                      in_rescan;
 768         u8                      SGE_size;
 769
 770 } MPT_ADAPTER;
 771
 772 /*
 773  *  New return value convention:
 774  *    1 = Ok to free associated request frame
 775  *    0 = not Ok ...
 776  */
 777 typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
 778 typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
 779 typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
 780 /* reset_phase defs */
 781 #define MPT_IOC_PRE_RESET               0
 782 #define MPT_IOC_POST_RESET              1
 783 #define MPT_IOC_SETUP_RESET             2
 784
 785 /*
 786  * Invent MPT host event (super-set of MPI Events)
 787  * Fitted to 1030's 64-byte [max] request frame size
 788  */
 789 typedef struct _MPT_HOST_EVENT {
 790         EventNotificationReply_t         MpiEvent;      /* 8 32-bit words! */
 791         u32                              pad[6];
 792         void                            *next;
 793 } MPT_HOST_EVENT;
 794
 795 #define MPT_HOSTEVENT_IOC_BRINGUP       0x91
 796 #define MPT_HOSTEVENT_IOC_RECOVER       0x92
 797
 798 /* Define the generic types based on the size
 799  * of the dma_addr_t type.
 800  */
 801 typedef struct _mpt_sge {
 802         u32             FlagsLength;
 803         dma_addr_t      Address;
 804 } MptSge_t;
 805
 806
 807 #define mpt_msg_flags(ioc) \
 808         (ioc->sg_addr_size == sizeof(u64)) ?            \
 809         MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 :             \
 810         MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32
 811
 812 #define MPT_SGE_FLAGS_64_BIT_ADDRESSING \
 813         (MPI_SGE_FLAGS_64_BIT_ADDRESSING << MPI_SGE_FLAGS_SHIFT)
 814
 815 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 816 /*
 817  *  Funky (private) macros...
 818  */
 819 #include "mptdebug.h"
 820
 821 #define MPT_INDEX_2_MFPTR(ioc,idx) \
 822         (MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )
 823
 824 #define MFPTR_2_MPT_INDEX(ioc,mf) \
 825         (int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )
 826
 827 #define MPT_INDEX_2_RFPTR(ioc,idx) \
 828         (MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )
 829
 830 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 831
 832 #define SCSI_STD_SENSE_BYTES    18
 833 #define SCSI_STD_INQUIRY_BYTES  36
 834 #define SCSI_MAX_INQUIRY_BYTES  96
 835
 836 /*
 837  * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
 838  * Private to the driver.
 839  */
 840 /* LOCAL structure and fields used when processing
 841  * internally generated commands. These include:
 842  * bus scan, dv and config requests.
 843  */
 844 typedef struct _MPT_LOCAL_REPLY {
 845         ConfigPageHeader_t header;
 846         int     completion;
 847         u8      sense[SCSI_STD_SENSE_BYTES];
 848         u8      scsiStatus;
 849         u8      skip;
 850         u32     pad;
 851 } MPT_LOCAL_REPLY;
 852
 853 #define MPT_HOST_BUS_UNKNOWN            (0xFF)
 854 #define MPT_HOST_TOO_MANY_TM            (0x05)
 855 #define MPT_HOST_NVRAM_INVALID          (0xFFFFFFFF)
 856 #define MPT_HOST_NO_CHAIN               (0xFFFFFFFF)
 857 #define MPT_NVRAM_MASK_TIMEOUT          (0x000000FF)
 858 #define MPT_NVRAM_SYNC_MASK             (0x0000FF00)
 859 #define MPT_NVRAM_SYNC_SHIFT            (8)
 860 #define MPT_NVRAM_DISCONNECT_ENABLE     (0x00010000)
 861 #define MPT_NVRAM_ID_SCAN_ENABLE        (0x00020000)
 862 #define MPT_NVRAM_LUN_SCAN_ENABLE       (0x00040000)
 863 #define MPT_NVRAM_TAG_QUEUE_ENABLE      (0x00080000)
 864 #define MPT_NVRAM_WIDE_DISABLE          (0x00100000)
 865 #define MPT_NVRAM_BOOT_CHOICE           (0x00200000)
 866
 867 /* The TM_STATE variable is used to provide strict single threading of TM
 868  * requests as well as communicate TM error conditions.
 869  */
 870 #define TM_STATE_NONE          (0)
 871 #define TM_STATE_IN_PROGRESS   (1)
 872 #define TM_STATE_ERROR         (2)
 873
 874 typedef enum {
 875         FC,
 876         SPI,
 877         SAS
 878 } BUS_TYPE;
 879
 880 typedef struct _MPT_SCSI_HOST {
 881         MPT_ADAPTER              *ioc;
 882         int                       port;
 883         u32                       pad0;
 884         MPT_LOCAL_REPLY          *pLocal;               /* used for internal commands */
 885         struct timer_list         timer;
 886                 /* Pool of memory for holding SCpnts before doing
 887                  * OS callbacks. freeQ is the free pool.
 888                  */
 889         u8                        negoNvram;            /* DV disabled, nego NVRAM */
 890         u8                        pad1;
 891         u8                        rsvd[2];
 892         MPT_FRAME_HDR            *cmdPtr;               /* Ptr to nonOS request */
 893         struct scsi_cmnd         *abortSCpnt;
 894         MPT_LOCAL_REPLY           localReply;           /* internal cmd reply struct */
 895         ushort                    sel_timeout[MPT_MAX_FC_DEVICES];
 896         char                      *info_kbuf;
 897         long                      last_queue_full;
 898         u16                       tm_iocstatus;
 899         u16                       spi_pending;
 900         struct list_head          target_reset_list;
 901 } MPT_SCSI_HOST;
 902
 903 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 904 /*
 905  *      More Dynamic Multi-Pathing stuff...
 906  */
 907
 908 /* Forward decl, a strange C thing, to prevent gcc compiler warnings */
 909 struct scsi_cmnd;
 910
 911 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 912 /*
 913  * Generic structure passed to the base mpt_config function.
 914  */
 915 typedef struct _x_config_parms {
 916         union {
 917                 ConfigExtendedPageHeader_t      *ehdr;
 918                 ConfigPageHeader_t      *hdr;
 919         } cfghdr;
 920         dma_addr_t               physAddr;
 921         u32                      pageAddr;      /* properly formatted */
 922         u16                      status;
 923         u8                       action;
 924         u8                       dir;
 925         u8                       timeout;       /* seconds */
 926 } CONFIGPARMS;
 927
 928 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 929 /*
 930  *  Public entry points...
 931  */
 932 extern int       mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
 933 extern void      mpt_detach(struct pci_dev *pdev);
 934 #ifdef CONFIG_PM
 935 extern int       mpt_suspend(struct pci_dev *pdev, pm_message_t state);
 936 extern int       mpt_resume(struct pci_dev *pdev);
 937 #endif
 938 extern u8        mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
 939 extern void      mpt_deregister(u8 cb_idx);
 940 extern int       mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc);
 941 extern void      mpt_event_deregister(u8 cb_idx);
 942 extern int       mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func);
 943 extern void      mpt_reset_deregister(u8 cb_idx);
 944 extern int       mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx);
 945 extern void      mpt_device_driver_deregister(u8 cb_idx);
 946 extern MPT_FRAME_HDR    *mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc);
 947 extern void      mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 948 extern void      mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 949 extern void      mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 950
 951 extern int       mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
 952 extern int       mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
 953 extern u32       mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
 954 extern void      mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
 955 extern int       mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
 956 extern int       mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
 957 extern int       mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
 958 extern void      mpt_free_fw_memory(MPT_ADAPTER *ioc);
 959 extern int       mpt_findImVolumes(MPT_ADAPTER *ioc);
 960 extern int       mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
 961 extern int       mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk);
 962 extern int      mpt_raid_phys_disk_pg1(MPT_ADAPTER *ioc, u8 phys_disk_num,
 963                 pRaidPhysDiskPage1_t phys_disk);
 964 extern int      mpt_raid_phys_disk_get_num_paths(MPT_ADAPTER *ioc,
 965                 u8 phys_disk_num);
 966 extern int       mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
 967 extern void      mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
 968 extern void     mpt_halt_firmware(MPT_ADAPTER *ioc);
 969
 970
 971 /*
 972  *  Public data decl's...
 973  */
 974 extern struct list_head   ioc_list;
 975 extern int mpt_fwfault_debug;
 976
 977 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 978 #endif          /* } __KERNEL__ */
 979
 980 #ifdef CONFIG_64BIT
 981 #define CAST_U32_TO_PTR(x)      ((void *)(u64)x)
 982 #define CAST_PTR_TO_U32(x)      ((u32)(u64)x)
 983 #else
 984 #define CAST_U32_TO_PTR(x)      ((void *)x)
 985 #define CAST_PTR_TO_U32(x)      ((u32)x)
 986 #endif
 987
 988 #define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
 989         ((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR)   ? 'I' : 'i',    \
 990         ((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET)      ? 'T' : 't',    \
 991         ((pflags) & MPI_PORTFACTS_PROTOCOL_LAN)         ? 'L' : 'l',    \
 992         ((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR)  ? 'B' : 'b'
 993
 994 /*
 995  *  Shifted SGE Defines - Use in SGE with FlagsLength member.
 996  *  Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
 997  *  Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
 998  */
 999 #define MPT_TRANSFER_IOC_TO_HOST                (0x00000000)
1000 #define MPT_TRANSFER_HOST_TO_IOC                (0x04000000)
1001 #define MPT_SGE_FLAGS_LAST_ELEMENT              (0x80000000)
1002 #define MPT_SGE_FLAGS_END_OF_BUFFER             (0x40000000)
1003 #define MPT_SGE_FLAGS_LOCAL_ADDRESS             (0x08000000)
1004 #define MPT_SGE_FLAGS_DIRECTION                 (0x04000000)
1005 #define MPT_SGE_FLAGS_END_OF_LIST               (0x01000000)
1006
1007 #define MPT_SGE_FLAGS_TRANSACTION_ELEMENT       (0x00000000)
1008 #define MPT_SGE_FLAGS_SIMPLE_ELEMENT            (0x10000000)
1009 #define MPT_SGE_FLAGS_CHAIN_ELEMENT             (0x30000000)
1010 #define MPT_SGE_FLAGS_ELEMENT_MASK              (0x30000000)
1011
1012 #define MPT_SGE_FLAGS_SSIMPLE_READ \
1013         (MPT_SGE_FLAGS_LAST_ELEMENT |   \
1014          MPT_SGE_FLAGS_END_OF_BUFFER |  \
1015          MPT_SGE_FLAGS_END_OF_LIST |    \
1016          MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1017          MPT_TRANSFER_IOC_TO_HOST)
1018 #define MPT_SGE_FLAGS_SSIMPLE_WRITE \
1019         (MPT_SGE_FLAGS_LAST_ELEMENT |   \
1020          MPT_SGE_FLAGS_END_OF_BUFFER |  \
1021          MPT_SGE_FLAGS_END_OF_LIST |    \
1022          MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1023          MPT_TRANSFER_HOST_TO_IOC)
1024
1025 /*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1026 #endif
1027