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        "3.04.16"
  80 #define MPT_LINUX_PACKAGE_NAME          "@(#)mptlinux-3.04.16"
  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        1024
 161 #define MPT_SCSI_CAN_QUEUE      127
 162 #define MPT_SAS_CAN_QUEUE       127
 163
 164 /*
 165  * Set the MAX_SGE value based on user input.
 166  */
 167 #ifdef CONFIG_FUSION_MAX_SGE
 168 #if CONFIG_FUSION_MAX_SGE  < 16
 169 #define MPT_SCSI_SG_DEPTH       16
 170 #elif CONFIG_FUSION_MAX_SGE  > 128
 171 #define MPT_SCSI_SG_DEPTH       128
 172 #else
 173 #define MPT_SCSI_SG_DEPTH       CONFIG_FUSION_MAX_SGE
 174 #endif
 175 #else
 176 #define MPT_SCSI_SG_DEPTH       40
 177 #endif
 178
 179 #ifdef CONFIG_FUSION_MAX_FC_SGE
 180 #if CONFIG_FUSION_MAX_FC_SGE  < 16
 181 #define MPT_SCSI_FC_SG_DEPTH    16
 182 #elif CONFIG_FUSION_MAX_FC_SGE  > 256
 183 #define MPT_SCSI_FC_SG_DEPTH    256
 184 #else
 185 #define MPT_SCSI_FC_SG_DEPTH    CONFIG_FUSION_MAX_FC_SGE
 186 #endif
 187 #else
 188 #define MPT_SCSI_FC_SG_DEPTH    40
 189 #endif
 190
 191 /* debug print string length used for events and iocstatus */
 192 # define EVENT_DESCR_STR_SZ             100
 193
 194 #define MPT_POLLING_INTERVAL            1000    /* in milliseconds */
 195
 196 #ifdef __KERNEL__       /* { */
 197 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 198
 199 #include <linux/proc_fs.h>
 200
 201 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 202 /*
 203  * Attempt semi-consistent error & warning msgs across
 204  * MPT drivers.  NOTE: Users of these macro defs must
 205  * themselves define their own MYNAM.
 206  */
 207 #define MYIOC_s_FMT                     MYNAM ": %s: "
 208 #define MYIOC_s_DEBUG_FMT               KERN_DEBUG MYNAM ": %s: "
 209 #define MYIOC_s_INFO_FMT                KERN_INFO MYNAM ": %s: "
 210 #define MYIOC_s_NOTE_FMT                KERN_NOTICE MYNAM ": %s: "
 211 #define MYIOC_s_WARN_FMT                KERN_WARNING MYNAM ": %s: WARNING - "
 212 #define MYIOC_s_ERR_FMT                 KERN_ERR MYNAM ": %s: ERROR - "
 213
 214 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 215 /*
 216  *  ATTO UL4D associated structures and defines
 217  */
 218 #define ATTOFLAG_DISC     0x0001
 219 #define ATTOFLAG_TAGGED   0x0002
 220 #define ATTOFLAG_WIDE_ENB 0x0008
 221 #define ATTOFLAG_ID_ENB   0x0010
 222 #define ATTOFLAG_LUN_ENB  0x0060
 223
 224 typedef struct _ATTO_DEVICE_INFO
 225 {
 226         u8      Offset;                                 /* 00h */
 227         u8      Period;                                 /* 01h */
 228         u16     ATTOFlags;                              /* 02h */
 229 } ATTO_DEVICE_INFO, MPI_POINTER PTR_ATTO_DEVICE_INFO,
 230   ATTODeviceInfo_t, MPI_POINTER pATTODeviceInfo_t;
 231
 232 typedef struct _ATTO_CONFIG_PAGE_SCSI_PORT_2
 233 {
 234         CONFIG_PAGE_HEADER      Header;                 /* 00h */
 235         u16                     PortFlags;              /* 04h */
 236         u16                     Unused1;                /* 06h */
 237         u32                     Unused2;                /* 08h */
 238         ATTO_DEVICE_INFO        DeviceSettings[16];     /* 0Ch */
 239 } fATTO_CONFIG_PAGE_SCSI_PORT_2, MPI_POINTER PTR_ATTO_CONFIG_PAGE_SCSI_PORT_2,
 240   ATTO_SCSIPortPage2_t, MPI_POINTER pATTO_SCSIPortPage2_t;
 241
 242
 243 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 244 /*
 245  *  MPT protocol driver defs...
 246  */
 247 typedef enum {
 248         MPTBASE_DRIVER,         /* MPT base class */
 249         MPTCTL_DRIVER,          /* MPT ioctl class */
 250         MPTSPI_DRIVER,          /* MPT SPI host class */
 251         MPTFC_DRIVER,           /* MPT FC host class */
 252         MPTSAS_DRIVER,          /* MPT SAS host class */
 253         MPTLAN_DRIVER,          /* MPT LAN class */
 254         MPTSTM_DRIVER,          /* MPT SCSI target mode class */
 255         MPTUNKNOWN_DRIVER
 256 } MPT_DRIVER_CLASS;
 257
 258 struct mpt_pci_driver{
 259         int  (*probe) (struct pci_dev *dev, const struct pci_device_id *id);
 260         void (*remove) (struct pci_dev *dev);
 261 };
 262
 263 /*
 264  *  MPT adapter / port / bus / device info structures...
 265  */
 266
 267 typedef union _MPT_FRAME_TRACKER {
 268         struct {
 269                 struct list_head        list;
 270                 u32                      arg1;
 271                 u32                      pad;
 272                 void                    *argp1;
 273         } linkage;
 274         /*
 275          * NOTE: When request frames are free, on the linkage structure
 276          * contets are valid.  All other values are invalid.
 277          * In particular, do NOT reply on offset [2]
 278          * (in words) being the * message context.
 279          * The message context must be reset (computed via base address
 280          * + an offset) prior to issuing any command.
 281          *
 282          * NOTE2: On non-32-bit systems, where pointers are LARGE,
 283          * using the linkage pointers destroys our sacred MsgContext
 284          * field contents.  But we don't care anymore because these
 285          * are now reset in mpt_put_msg_frame() just prior to sending
 286          * a request off to the IOC.
 287          */
 288         struct {
 289                 u32 __hdr[2];
 290                 /*
 291                  * The following _MUST_ match the location of the
 292                  * MsgContext field in the MPT message headers.
 293                  */
 294                 union {
 295                         u32              MsgContext;
 296                         struct {
 297                                 u16      req_idx;       /* Request index */
 298                                 u8       cb_idx;        /* callback function index */
 299                                 u8       rsvd;
 300                         } fld;
 301                 } msgctxu;
 302         } hwhdr;
 303         /*
 304          * Remark: 32 bit identifier:
 305          *  31-24: reserved
 306          *  23-16: call back index
 307          *  15-0 : request index
 308          */
 309 } MPT_FRAME_TRACKER;
 310
 311 /*
 312  *  We might want to view/access a frame as:
 313  *    1) generic request header
 314  *    2) SCSIIORequest
 315  *    3) SCSIIOReply
 316  *    4) MPIDefaultReply
 317  *    5) frame tracker
 318  */
 319 typedef struct _MPT_FRAME_HDR {
 320         union {
 321                 MPIHeader_t             hdr;
 322                 SCSIIORequest_t         scsireq;
 323                 SCSIIOReply_t           sreply;
 324                 ConfigReply_t           configreply;
 325                 MPIDefaultReply_t       reply;
 326                 MPT_FRAME_TRACKER       frame;
 327         } u;
 328 } MPT_FRAME_HDR;
 329
 330 #define MPT_REQ_MSGFLAGS_DROPME         0x80
 331
 332 typedef struct _MPT_SGL_HDR {
 333         SGESimple32_t    sge[1];
 334 } MPT_SGL_HDR;
 335
 336 typedef struct _MPT_SGL64_HDR {
 337         SGESimple64_t    sge[1];
 338 } MPT_SGL64_HDR;
 339
 340 /*
 341  *  System interface register set
 342  */
 343
 344 typedef struct _SYSIF_REGS
 345 {
 346         u32     Doorbell;       /* 00     System<->IOC Doorbell reg  */
 347         u32     WriteSequence;  /* 04     Write Sequence register    */
 348         u32     Diagnostic;     /* 08     Diagnostic register        */
 349         u32     TestBase;       /* 0C     Test Base Address          */
 350         u32     DiagRwData;     /* 10     Read Write Data (fw download)   */
 351         u32     DiagRwAddress;  /* 14     Read Write Address (fw download)*/
 352         u32     Reserved1[6];   /* 18-2F  reserved for future use    */
 353         u32     IntStatus;      /* 30     Interrupt Status           */
 354         u32     IntMask;        /* 34     Interrupt Mask             */
 355         u32     Reserved2[2];   /* 38-3F  reserved for future use    */
 356         u32     RequestFifo;    /* 40     Request Post/Free FIFO     */
 357         u32     ReplyFifo;      /* 44     Reply   Post/Free FIFO     */
 358         u32     RequestHiPriFifo; /* 48   Hi Priority Request FIFO   */
 359         u32     Reserved3;      /* 4C-4F  reserved for future use    */
 360         u32     HostIndex;      /* 50     Host Index register        */
 361         u32     Reserved4[15];  /* 54-8F                             */
 362         u32     Fubar;          /* 90     For Fubar usage            */
 363         u32     Reserved5[1050];/* 94-10F8                           */
 364         u32     Reset_1078;     /* 10FC   Reset 1078                 */
 365 } SYSIF_REGS;
 366
 367 /*
 368  * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
 369  * in conjunction with SYSIF_REGS accesses!
 370  */
 371
 372
 373 /*
 374  *      Dynamic Multi-Pathing specific stuff...
 375  */
 376
 377 /* VirtTarget negoFlags field */
 378 #define MPT_TARGET_NO_NEGO_WIDE         0x01
 379 #define MPT_TARGET_NO_NEGO_SYNC         0x02
 380 #define MPT_TARGET_NO_NEGO_QAS          0x04
 381 #define MPT_TAPE_NEGO_IDP               0x08
 382
 383 /*
 384  *      VirtDevice - FC LUN device or SCSI target device
 385  */
 386 typedef struct _VirtTarget {
 387         struct scsi_target      *starget;
 388         u8                       tflags;
 389         u8                       ioc_id;
 390         u8                       id;
 391         u8                       channel;
 392         u8                       minSyncFactor; /* 0xFF is async */
 393         u8                       maxOffset;     /* 0 if async */
 394         u8                       maxWidth;      /* 0 if narrow, 1 if wide */
 395         u8                       negoFlags;     /* bit field, see above */
 396         u8                       raidVolume;    /* set, if RAID Volume */
 397         u8                       type;          /* byte 0 of Inquiry data */
 398         u8                       deleted;       /* target in process of being removed */
 399         u8                       inDMD;         /* currently in the device
 400                                                    removal delay timer */
 401         u32                      num_luns;
 402 } VirtTarget;
 403
 404 typedef struct _VirtDevice {
 405         VirtTarget              *vtarget;
 406         u8                       configured_lun;
 407         int                      lun;
 408 } VirtDevice;
 409
 410 /*
 411  *  Fibre Channel (SCSI) target device and associated defines...
 412  */
 413 #define MPT_TARGET_DEFAULT_DV_STATUS    0x00
 414 #define MPT_TARGET_FLAGS_VALID_NEGO     0x01
 415 #define MPT_TARGET_FLAGS_VALID_INQUIRY  0x02
 416 #define MPT_TARGET_FLAGS_Q_YES          0x08
 417 #define MPT_TARGET_FLAGS_VALID_56       0x10
 418 #define MPT_TARGET_FLAGS_SAF_TE_ISSUED  0x20
 419 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x40
 420 #define MPT_TARGET_FLAGS_LED_ON         0x80
 421
 422 /*
 423  *      /proc/mpt interface
 424  */
 425 typedef struct {
 426         const char      *name;
 427         mode_t           mode;
 428         int              pad;
 429         read_proc_t     *read_proc;
 430         write_proc_t    *write_proc;
 431 } mpt_proc_entry_t;
 432
 433 #define MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len) \
 434 do { \
 435         len -= offset;                  \
 436         if (len < request) {            \
 437                 *eof = 1;               \
 438                 if (len <= 0)           \
 439                         return 0;       \
 440         } else                          \
 441                 len = request;          \
 442         *start = buf + offset;          \
 443         return len;                     \
 444 } while (0)
 445
 446
 447 /*
 448  *      IOCTL structure and associated defines
 449  */
 450
 451 #define MPTCTL_RESET_OK                 0x01    /* Issue Bus Reset */
 452
 453 #define MPT_MGMT_STATUS_RF_VALID        0x01    /* The Reply Frame is VALID */
 454 #define MPT_MGMT_STATUS_COMMAND_GOOD    0x02    /* Command Status GOOD */
 455 #define MPT_MGMT_STATUS_PENDING         0x04    /* command is pending */
 456 #define MPT_MGMT_STATUS_DID_IOCRESET    0x08    /* IOC Reset occurred
 457                                                    on the current*/
 458 #define MPT_MGMT_STATUS_SENSE_VALID     0x10    /* valid sense info */
 459 #define MPT_MGMT_STATUS_TIMER_ACTIVE    0x20    /* obsolete */
 460 #define MPT_MGMT_STATUS_FREE_MF         0x40    /* free the mf from
 461                                                    complete routine */
 462
 463 #define INITIALIZE_MGMT_STATUS(status) \
 464         status = MPT_MGMT_STATUS_PENDING;
 465 #define CLEAR_MGMT_STATUS(status) \
 466         status = 0;
 467 #define CLEAR_MGMT_PENDING_STATUS(status) \
 468         status &= ~MPT_MGMT_STATUS_PENDING;
 469 #define SET_MGMT_MSG_CONTEXT(msg_context, value) \
 470         msg_context = value;
 471
 472 typedef struct _MPT_MGMT {
 473         struct mutex             mutex;
 474         struct completion        done;
 475         u8                       reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
 476         u8                       sense[MPT_SENSE_BUFFER_ALLOC];
 477         u8                       status;        /* current command status */
 478         int                      completion_code;
 479         u32                      msg_context;
 480 } MPT_MGMT;
 481
 482 /*
 483  *  Event Structure and define
 484  */
 485 #define MPTCTL_EVENT_LOG_SIZE           (0x000000032)
 486 typedef struct _mpt_ioctl_events {
 487         u32     event;          /* Specified by define above */
 488         u32     eventContext;   /* Index or counter */
 489         u32     data[2];        /* First 8 bytes of Event Data */
 490 } MPT_IOCTL_EVENTS;
 491
 492 /*
 493  * CONFIGPARM status  defines
 494  */
 495 #define MPT_CONFIG_GOOD         MPI_IOCSTATUS_SUCCESS
 496 #define MPT_CONFIG_ERROR        0x002F
 497
 498 /*
 499  *      Substructure to store SCSI specific configuration page data
 500  */
 501                                                 /* dvStatus defines: */
 502 #define MPT_SCSICFG_USE_NVRAM           0x01    /* WriteSDP1 using NVRAM */
 503 #define MPT_SCSICFG_ALL_IDS             0x02    /* WriteSDP1 to all IDS */
 504 /* #define MPT_SCSICFG_BLK_NEGO         0x10       WriteSDP1 with WDTR and SDTR disabled */
 505
 506 typedef struct _SpiCfgData {
 507         u32              PortFlags;
 508         int             *nvram;                 /* table of device NVRAM values */
 509         IOCPage4_t      *pIocPg4;               /* SEP devices addressing */
 510         dma_addr_t       IocPg4_dma;            /* Phys Addr of IOCPage4 data */
 511         int              IocPg4Sz;              /* IOCPage4 size */
 512         u8               minSyncFactor;         /* 0xFF if async */
 513         u8               maxSyncOffset;         /* 0 if async */
 514         u8               maxBusWidth;           /* 0 if narrow, 1 if wide */
 515         u8               busType;               /* SE, LVD, HD */
 516         u8               sdp1version;           /* SDP1 version */
 517         u8               sdp1length;            /* SDP1 length  */
 518         u8               sdp0version;           /* SDP0 version */
 519         u8               sdp0length;            /* SDP0 length  */
 520         u8               dvScheduled;           /* 1 if scheduled */
 521         u8               noQas;                 /* Disable QAS for this adapter */
 522         u8               Saf_Te;                /* 1 to force all Processors as
 523                                                  * SAF-TE if Inquiry data length
 524                                                  * is too short to check for SAF-TE
 525                                                  */
 526         u8               bus_reset;             /* 1 to allow bus reset */
 527         u8               rsvd[1];
 528 }SpiCfgData;
 529
 530 typedef struct _SasCfgData {
 531         u8               ptClear;               /* 1 to automatically clear the
 532                                                  * persistent table.
 533                                                  * 0 to disable
 534                                                  * automatic clearing.
 535                                                  */
 536 }SasCfgData;
 537
 538 /*
 539  * Inactive volume link list of raid component data
 540  * @inactive_list
 541  */
 542 struct inactive_raid_component_info {
 543         struct   list_head list;
 544         u8               volumeID;              /* volume target id */
 545         u8               volumeBus;             /* volume channel */
 546         IOC_3_PHYS_DISK  d;                     /* phys disk info */
 547 };
 548
 549 typedef struct _RaidCfgData {
 550         IOCPage2_t      *pIocPg2;               /* table of Raid Volumes */
 551         IOCPage3_t      *pIocPg3;               /* table of physical disks */
 552         struct mutex    inactive_list_mutex;
 553         struct list_head        inactive_list; /* link list for physical
 554                                                 disk that belong in
 555                                                 inactive volumes */
 556 }RaidCfgData;
 557
 558 typedef struct _FcCfgData {
 559         /* will ultimately hold fc_port_page0 also */
 560         struct {
 561                 FCPortPage1_t   *data;
 562                 dma_addr_t       dma;
 563                 int              pg_sz;
 564         }                        fc_port_page1[2];
 565 } FcCfgData;
 566
 567 #define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01    /* rport registered */
 568 #define MPT_RPORT_INFO_FLAGS_MISSING    0x02    /* missing from DevPage0 scan */
 569
 570 /*
 571  * data allocated for each fc rport device
 572  */
 573 struct mptfc_rport_info
 574 {
 575         struct list_head list;
 576         struct fc_rport *rport;
 577         struct scsi_target *starget;
 578         FCDevicePage0_t pg0;
 579         u8              flags;
 580 };
 581
 582 typedef void (*MPT_ADD_SGE)(void *pAddr, u32 flagslength, dma_addr_t dma_addr);
 583 typedef void (*MPT_ADD_CHAIN)(void *pAddr, u8 next, u16 length,
 584                 dma_addr_t dma_addr);
 585 typedef void (*MPT_SCHEDULE_TARGET_RESET)(void *ioc);
 586
 587 /*
 588  *  Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
 589  */
 590 typedef struct _MPT_ADAPTER
 591 {
 592         int                      id;            /* Unique adapter id N {0,1,2,...} */
 593         int                      pci_irq;       /* This irq           */
 594         char                     name[MPT_NAME_LENGTH]; /* "iocN"             */
 595         char                     prod_name[MPT_NAME_LENGTH];    /* "LSIFC9x9"         */
 596 #ifdef CONFIG_FUSION_LOGGING
 597         /* used in mpt_display_event_info */
 598         char                     evStr[EVENT_DESCR_STR_SZ];
 599 #endif
 600         char                     board_name[16];
 601         char                     board_assembly[16];
 602         char                     board_tracer[16];
 603         u16                      nvdata_version_persistent;
 604         u16                      nvdata_version_default;
 605         int                      debug_level;
 606         u8                       io_missing_delay;
 607         u16                      device_missing_delay;
 608         SYSIF_REGS __iomem      *chip;          /* == c8817000 (mmap) */
 609         SYSIF_REGS __iomem      *pio_chip;      /* Programmed IO (downloadboot) */
 610         u8                       bus_type;
 611         u32                      mem_phys;      /* == f4020000 (mmap) */
 612         u32                      pio_mem_phys;  /* Programmed IO (downloadboot) */
 613         int                      mem_size;      /* mmap memory size */
 614         int                      number_of_buses;
 615         int                      devices_per_bus;
 616         int                      alloc_total;
 617         u32                      last_state;
 618         int                      active;
 619         u8                      *alloc;         /* frames alloc ptr */
 620         dma_addr_t               alloc_dma;
 621         u32                      alloc_sz;
 622         MPT_FRAME_HDR           *reply_frames;  /* Reply msg frames - rounded up! */
 623         u32                      reply_frames_low_dma;
 624         int                      reply_depth;   /* Num Allocated reply frames */
 625         int                      reply_sz;      /* Reply frame size */
 626         int                      num_chain;     /* Number of chain buffers */
 627         MPT_ADD_SGE              add_sge;       /* Pointer to add_sge
 628                                                    function */
 629         MPT_ADD_CHAIN            add_chain;     /* Pointer to add_chain
 630                                                    function */
 631                 /* Pool of buffers for chaining. ReqToChain
 632                  * and ChainToChain track index of chain buffers.
 633                  * ChainBuffer (DMA) virt/phys addresses.
 634                  * FreeChainQ (lock) locking mechanisms.
 635                  */
 636         int                     *ReqToChain;
 637         int                     *RequestNB;
 638         int                     *ChainToChain;
 639         u8                      *ChainBuffer;
 640         dma_addr_t               ChainBufferDMA;
 641         struct list_head         FreeChainQ;
 642         spinlock_t               FreeChainQlock;
 643                 /* We (host driver) get to manage our own RequestQueue! */
 644         dma_addr_t               req_frames_dma;
 645         MPT_FRAME_HDR           *req_frames;    /* Request msg frames - rounded up! */
 646         u32                      req_frames_low_dma;
 647         int                      req_depth;     /* Number of request frames */
 648         int                      req_sz;        /* Request frame size (bytes) */
 649         spinlock_t               FreeQlock;
 650         struct list_head         FreeQ;
 651                 /* Pool of SCSI sense buffers for commands coming from
 652                  * the SCSI mid-layer.  We have one 256 byte sense buffer
 653                  * for each REQ entry.
 654                  */
 655         u8                      *sense_buf_pool;
 656         dma_addr_t               sense_buf_pool_dma;
 657         u32                      sense_buf_low_dma;
 658         u8                      *HostPageBuffer; /* SAS - host page buffer support */
 659         u32                     HostPageBuffer_sz;
 660         dma_addr_t              HostPageBuffer_dma;
 661         int                      mtrr_reg;
 662         struct pci_dev          *pcidev;        /* struct pci_dev pointer */
 663         int                     bars;           /* bitmask of BAR's that must be configured */
 664         int                     msi_enable;
 665         u8                      __iomem *memmap;        /* mmap address */
 666         struct Scsi_Host        *sh;            /* Scsi Host pointer */
 667         SpiCfgData              spi_data;       /* Scsi config. data */
 668         RaidCfgData             raid_data;      /* Raid config. data */
 669         SasCfgData              sas_data;       /* Sas config. data */
 670         FcCfgData               fc_data;        /* Fc config. data */
 671         struct proc_dir_entry   *ioc_dentry;
 672         struct _MPT_ADAPTER     *alt_ioc;       /* ptr to 929 bound adapter port */
 673         u32                      biosVersion;   /* BIOS version from IO Unit Page 2 */
 674         int                      eventTypes;    /* Event logging parameters */
 675         int                      eventContext;  /* Next event context */
 676         int                      eventLogSize;  /* Max number of cached events */
 677         struct _mpt_ioctl_events *events;       /* pointer to event log */
 678         u8                      *cached_fw;     /* Pointer to FW */
 679         dma_addr_t              cached_fw_dma;
 680         int                      hs_reply_idx;
 681 #ifndef MFCNT
 682         u32                      pad0;
 683 #else
 684         u32                      mfcnt;
 685 #endif
 686         u32                      NB_for_64_byte_frame;
 687         u32                      hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
 688         u16                      hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
 689         IOCFactsReply_t          facts;
 690         PortFactsReply_t         pfacts[2];
 691         FCPortPage0_t            fc_port_page0[2];
 692         LANPage0_t               lan_cnfg_page0;
 693         LANPage1_t               lan_cnfg_page1;
 694
 695         u8                       ir_firmware; /* =1 if IR firmware detected */
 696         /*
 697          * Description: errata_flag_1064
 698          * If a PCIX read occurs within 1 or 2 cycles after the chip receives
 699          * a split completion for a read data, an internal address pointer incorrectly
 700          * increments by 32 bytes
 701          */
 702         int                      errata_flag_1064;
 703         int                      aen_event_read_flag; /* flag to indicate event log was read*/
 704         u8                       FirstWhoInit;
 705         u8                       upload_fw;     /* If set, do a fw upload */
 706         u8                       NBShiftFactor;  /* NB Shift Factor based on Block Size (Facts)  */
 707         u8                       pad1[4];
 708         u8                       DoneCtx;
 709         u8                       TaskCtx;
 710         u8                       InternalCtx;
 711         struct list_head         list;
 712         struct net_device       *netdev;
 713         struct list_head         sas_topology;
 714         struct mutex             sas_topology_mutex;
 715
 716         struct workqueue_struct *fw_event_q;
 717         struct list_head         fw_event_list;
 718         spinlock_t               fw_event_lock;
 719         u8                       fw_events_off; /* if '1', then ignore events */
 720         char                     fw_event_q_name[MPT_KOBJ_NAME_LEN];
 721
 722         struct mutex             sas_discovery_mutex;
 723         u8                       sas_discovery_runtime;
 724         u8                       sas_discovery_ignore_events;
 725
 726         /* port_info object for the host */
 727         struct mptsas_portinfo  *hba_port_info;
 728         u64                      hba_port_sas_addr;
 729         u16                      hba_port_num_phy;
 730         struct list_head         sas_device_info_list;
 731         struct mutex             sas_device_info_mutex;
 732         u8                       old_sas_discovery_protocal;
 733         u8                       sas_discovery_quiesce_io;
 734         int                      sas_index; /* index refrencing */
 735         MPT_MGMT                 sas_mgmt;
 736         MPT_MGMT                 mptbase_cmds; /* for sending config pages */
 737         MPT_MGMT                 internal_cmds;
 738         MPT_MGMT                 taskmgmt_cmds;
 739         MPT_MGMT                 ioctl_cmds;
 740         spinlock_t               taskmgmt_lock; /* diagnostic reset lock */
 741         int                      taskmgmt_in_progress;
 742         u8                       taskmgmt_quiesce_io;
 743         u8                       ioc_reset_in_progress;
 744         MPT_SCHEDULE_TARGET_RESET schedule_target_reset;
 745         struct work_struct       sas_persist_task;
 746
 747         struct work_struct       fc_setup_reset_work;
 748         struct list_head         fc_rports;
 749         struct work_struct       fc_lsc_work;
 750         u8                       fc_link_speed[2];
 751         spinlock_t               fc_rescan_work_lock;
 752         struct work_struct       fc_rescan_work;
 753         char                     fc_rescan_work_q_name[MPT_KOBJ_NAME_LEN];
 754         struct workqueue_struct *fc_rescan_work_q;
 755
 756         /* driver forced bus resets count */
 757         unsigned long             hard_resets;
 758         /* fw/external bus resets count */
 759         unsigned long             soft_resets;
 760         /* cmd timeouts */
 761         unsigned long             timeouts;
 762
 763         struct scsi_cmnd        **ScsiLookup;
 764         spinlock_t                scsi_lookup_lock;
 765         u64                     dma_mask;
 766         u32                       broadcast_aen_busy;
 767         char                     reset_work_q_name[MPT_KOBJ_NAME_LEN];
 768         struct workqueue_struct *reset_work_q;
 769         struct delayed_work      fault_reset_work;
 770
 771         u8                      sg_addr_size;
 772         u8                      in_rescan;
 773         u8                      SGE_size;
 774
 775 } MPT_ADAPTER;
 776
 777 /*
 778  *  New return value convention:
 779  *    1 = Ok to free associated request frame
 780  *    0 = not Ok ...
 781  */
 782 typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
 783 typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
 784 typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
 785 /* reset_phase defs */
 786 #define MPT_IOC_PRE_RESET               0
 787 #define MPT_IOC_POST_RESET              1
 788 #define MPT_IOC_SETUP_RESET             2
 789
 790 /*
 791  * Invent MPT host event (super-set of MPI Events)
 792  * Fitted to 1030's 64-byte [max] request frame size
 793  */
 794 typedef struct _MPT_HOST_EVENT {
 795         EventNotificationReply_t         MpiEvent;      /* 8 32-bit words! */
 796         u32                              pad[6];
 797         void                            *next;
 798 } MPT_HOST_EVENT;
 799
 800 #define MPT_HOSTEVENT_IOC_BRINGUP       0x91
 801 #define MPT_HOSTEVENT_IOC_RECOVER       0x92
 802
 803 /* Define the generic types based on the size
 804  * of the dma_addr_t type.
 805  */
 806 typedef struct _mpt_sge {
 807         u32             FlagsLength;
 808         dma_addr_t      Address;
 809 } MptSge_t;
 810
 811
 812 #define mpt_msg_flags(ioc) \
 813         (ioc->sg_addr_size == sizeof(u64)) ?            \
 814         MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 :             \
 815         MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32
 816
 817 #define MPT_SGE_FLAGS_64_BIT_ADDRESSING \
 818         (MPI_SGE_FLAGS_64_BIT_ADDRESSING << MPI_SGE_FLAGS_SHIFT)
 819
 820 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 821 /*
 822  *  Funky (private) macros...
 823  */
 824 #include "mptdebug.h"
 825
 826 #define MPT_INDEX_2_MFPTR(ioc,idx) \
 827         (MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )
 828
 829 #define MFPTR_2_MPT_INDEX(ioc,mf) \
 830         (int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )
 831
 832 #define MPT_INDEX_2_RFPTR(ioc,idx) \
 833         (MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )
 834
 835 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 836
 837 #define SCSI_STD_SENSE_BYTES    18
 838 #define SCSI_STD_INQUIRY_BYTES  36
 839 #define SCSI_MAX_INQUIRY_BYTES  96
 840
 841 /*
 842  * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
 843  * Private to the driver.
 844  */
 845 /* LOCAL structure and fields used when processing
 846  * internally generated commands. These include:
 847  * bus scan, dv and config requests.
 848  */
 849 typedef struct _MPT_LOCAL_REPLY {
 850         ConfigPageHeader_t header;
 851         int     completion;
 852         u8      sense[SCSI_STD_SENSE_BYTES];
 853         u8      scsiStatus;
 854         u8      skip;
 855         u32     pad;
 856 } MPT_LOCAL_REPLY;
 857
 858 #define MPT_HOST_BUS_UNKNOWN            (0xFF)
 859 #define MPT_HOST_TOO_MANY_TM            (0x05)
 860 #define MPT_HOST_NVRAM_INVALID          (0xFFFFFFFF)
 861 #define MPT_HOST_NO_CHAIN               (0xFFFFFFFF)
 862 #define MPT_NVRAM_MASK_TIMEOUT          (0x000000FF)
 863 #define MPT_NVRAM_SYNC_MASK             (0x0000FF00)
 864 #define MPT_NVRAM_SYNC_SHIFT            (8)
 865 #define MPT_NVRAM_DISCONNECT_ENABLE     (0x00010000)
 866 #define MPT_NVRAM_ID_SCAN_ENABLE        (0x00020000)
 867 #define MPT_NVRAM_LUN_SCAN_ENABLE       (0x00040000)
 868 #define MPT_NVRAM_TAG_QUEUE_ENABLE      (0x00080000)
 869 #define MPT_NVRAM_WIDE_DISABLE          (0x00100000)
 870 #define MPT_NVRAM_BOOT_CHOICE           (0x00200000)
 871
 872 /* The TM_STATE variable is used to provide strict single threading of TM
 873  * requests as well as communicate TM error conditions.
 874  */
 875 #define TM_STATE_NONE          (0)
 876 #define TM_STATE_IN_PROGRESS   (1)
 877 #define TM_STATE_ERROR         (2)
 878
 879 typedef enum {
 880         FC,
 881         SPI,
 882         SAS
 883 } BUS_TYPE;
 884
 885 typedef struct _MPT_SCSI_HOST {
 886         MPT_ADAPTER              *ioc;
 887         ushort                    sel_timeout[MPT_MAX_FC_DEVICES];
 888         char                      *info_kbuf;
 889         long                      last_queue_full;
 890         u16                       spi_pending;
 891         struct list_head          target_reset_list;
 892 } MPT_SCSI_HOST;
 893
 894 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 895 /*
 896  *      More Dynamic Multi-Pathing stuff...
 897  */
 898
 899 /* Forward decl, a strange C thing, to prevent gcc compiler warnings */
 900 struct scsi_cmnd;
 901
 902 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 903 /*
 904  * Generic structure passed to the base mpt_config function.
 905  */
 906 typedef struct _x_config_parms {
 907         union {
 908                 ConfigExtendedPageHeader_t      *ehdr;
 909                 ConfigPageHeader_t      *hdr;
 910         } cfghdr;
 911         dma_addr_t               physAddr;
 912         u32                      pageAddr;      /* properly formatted */
 913         u16                      status;
 914         u8                       action;
 915         u8                       dir;
 916         u8                       timeout;       /* seconds */
 917 } CONFIGPARMS;
 918
 919 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 920 /*
 921  *  Public entry points...
 922  */
 923 extern int       mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
 924 extern void      mpt_detach(struct pci_dev *pdev);
 925 #ifdef CONFIG_PM
 926 extern int       mpt_suspend(struct pci_dev *pdev, pm_message_t state);
 927 extern int       mpt_resume(struct pci_dev *pdev);
 928 #endif
 929 extern u8        mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass,
 930                 char *func_name);
 931 extern void      mpt_deregister(u8 cb_idx);
 932 extern int       mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc);
 933 extern void      mpt_event_deregister(u8 cb_idx);
 934 extern int       mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func);
 935 extern void      mpt_reset_deregister(u8 cb_idx);
 936 extern int       mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx);
 937 extern void      mpt_device_driver_deregister(u8 cb_idx);
 938 extern MPT_FRAME_HDR    *mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc);
 939 extern void      mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 940 extern void      mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 941 extern void      mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 942
 943 extern int       mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
 944 extern int       mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
 945 extern u32       mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
 946 extern void      mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
 947 extern int       mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
 948 extern int       mpt_Soft_Hard_ResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
 949 extern int       mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
 950 extern int       mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
 951 extern void      mpt_free_fw_memory(MPT_ADAPTER *ioc);
 952 extern int       mpt_findImVolumes(MPT_ADAPTER *ioc);
 953 extern int       mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
 954 extern int       mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk);
 955 extern int      mpt_raid_phys_disk_pg1(MPT_ADAPTER *ioc, u8 phys_disk_num,
 956                 pRaidPhysDiskPage1_t phys_disk);
 957 extern int      mpt_raid_phys_disk_get_num_paths(MPT_ADAPTER *ioc,
 958                 u8 phys_disk_num);
 959 extern int       mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
 960 extern void      mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
 961 extern void     mpt_halt_firmware(MPT_ADAPTER *ioc);
 962
 963
 964 /*
 965  *  Public data decl's...
 966  */
 967 extern struct list_head   ioc_list;
 968 extern int mpt_fwfault_debug;
 969
 970 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 971 #endif          /* } __KERNEL__ */
 972
 973 #ifdef CONFIG_64BIT
 974 #define CAST_U32_TO_PTR(x)      ((void *)(u64)x)
 975 #define CAST_PTR_TO_U32(x)      ((u32)(u64)x)
 976 #else
 977 #define CAST_U32_TO_PTR(x)      ((void *)x)
 978 #define CAST_PTR_TO_U32(x)      ((u32)x)
 979 #endif
 980
 981 #define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
 982         ((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR)   ? 'I' : 'i',    \
 983         ((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET)      ? 'T' : 't',    \
 984         ((pflags) & MPI_PORTFACTS_PROTOCOL_LAN)         ? 'L' : 'l',    \
 985         ((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR)  ? 'B' : 'b'
 986
 987 /*
 988  *  Shifted SGE Defines - Use in SGE with FlagsLength member.
 989  *  Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
 990  *  Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
 991  */
 992 #define MPT_TRANSFER_IOC_TO_HOST                (0x00000000)
 993 #define MPT_TRANSFER_HOST_TO_IOC                (0x04000000)
 994 #define MPT_SGE_FLAGS_LAST_ELEMENT              (0x80000000)
 995 #define MPT_SGE_FLAGS_END_OF_BUFFER             (0x40000000)
 996 #define MPT_SGE_FLAGS_LOCAL_ADDRESS             (0x08000000)
 997 #define MPT_SGE_FLAGS_DIRECTION                 (0x04000000)
 998 #define MPT_SGE_FLAGS_END_OF_LIST               (0x01000000)
 999
1000 #define MPT_SGE_FLAGS_TRANSACTION_ELEMENT       (0x00000000)
1001 #define MPT_SGE_FLAGS_SIMPLE_ELEMENT            (0x10000000)
1002 #define MPT_SGE_FLAGS_CHAIN_ELEMENT             (0x30000000)
1003 #define MPT_SGE_FLAGS_ELEMENT_MASK              (0x30000000)
1004
1005 #define MPT_SGE_FLAGS_SSIMPLE_READ \
1006         (MPT_SGE_FLAGS_LAST_ELEMENT |   \
1007          MPT_SGE_FLAGS_END_OF_BUFFER |  \
1008          MPT_SGE_FLAGS_END_OF_LIST |    \
1009          MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1010          MPT_TRANSFER_IOC_TO_HOST)
1011 #define MPT_SGE_FLAGS_SSIMPLE_WRITE \
1012         (MPT_SGE_FLAGS_LAST_ELEMENT |   \
1013          MPT_SGE_FLAGS_END_OF_BUFFER |  \
1014          MPT_SGE_FLAGS_END_OF_LIST |    \
1015          MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1016          MPT_TRANSFER_HOST_TO_IOC)
1017
1018 /*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1019 #endif
1020