linux-old/drivers/message/fusion/mptbase.h
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   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 Logic Fusion MPT (Message Passing Technology) firmware.
   7 *
   8 *  Credits:
   9 *     (see mptbase.c)
  10 *
  11 *  Copyright (c) 1999-2004 LSI Logic Corporation
  12 *  Originally By: Steven J. Ralston
  13 *  (mailto:sjralston1@netscape.net)
  14 *  (mailto:mpt_linux_developer@lsil.com)
  15 *
  16 *  $Id: mptbase.h,v 1.149 2003/05/07 14:08:31 pdelaney Exp $
  17 */
  18/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  19/*
  20    This program is free software; you can redistribute it and/or modify
  21    it under the terms of the GNU General Public License as published by
  22    the Free Software Foundation; version 2 of the License.
  23
  24    This program is distributed in the hope that it will be useful,
  25    but WITHOUT ANY WARRANTY; without even the implied warranty of
  26    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  27    GNU General Public License for more details.
  28
  29    NO WARRANTY
  30    THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
  31    CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
  32    LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
  33    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
  34    solely responsible for determining the appropriateness of using and
  35    distributing the Program and assumes all risks associated with its
  36    exercise of rights under this Agreement, including but not limited to
  37    the risks and costs of program errors, damage to or loss of data,
  38    programs or equipment, and unavailability or interruption of operations.
  39
  40    DISCLAIMER OF LIABILITY
  41    NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
  42    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  43    DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
  44    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  45    TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  46    USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
  47    HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
  48
  49    You should have received a copy of the GNU General Public License
  50    along with this program; if not, write to the Free Software
  51    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  52*/
  53
  54#ifndef MPTBASE_H_INCLUDED
  55#define MPTBASE_H_INCLUDED
  56/*{-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  57
  58#include "linux_compat.h"       /* linux-2.2.x (vs. -2.4.x) tweaks */
  59#include "scsi3.h"              /* SCSI defines */
  60
  61#include "lsi/mpi_type.h"
  62#include "lsi/mpi.h"            /* Fusion MPI(nterface) basic defs */
  63#include "lsi/mpi_ioc.h"        /* Fusion MPT IOC(ontroller) defs */
  64#include "lsi/mpi_cnfg.h"       /* IOC configuration support */
  65#include "lsi/mpi_init.h"       /* SCSI Host (initiator) protocol support */
  66#include "lsi/mpi_lan.h"        /* LAN over FC protocol support */
  67#include "lsi/mpi_raid.h"       /* Integrated Mirroring support */
  68
  69#include "lsi/mpi_fc.h"         /* Fibre Channel (lowlevel) support */
  70#include "lsi/mpi_targ.h"       /* SCSI/FCP Target protcol support */
  71#include "lsi/mpi_tool.h"       /* Tools support */
  72#include "lsi/fc_log.h"
  73
  74/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  75
  76#ifndef MODULEAUTHOR
  77#define MODULEAUTHOR    "LSI Logic Corporation"
  78#endif
  79
  80#ifndef COPYRIGHT
  81#define COPYRIGHT       "Copyright (c) 1999-2004 " MODULEAUTHOR
  82#endif
  83
  84#define MPT_LINUX_VERSION_COMMON        "2.05.16"
  85#define MPT_LINUX_PACKAGE_NAME          "@(#)mptlinux-2.05.16"
  86#define WHAT_MAGIC_STRING               "@" "(" "#" ")"
  87
  88#define show_mptmod_ver(s,ver)  \
  89        printk(KERN_INFO "%s %s\n", s, ver);
  90
  91/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  92/*
  93 *  Fusion MPT(linux) driver configurable stuff...
  94 */
  95#define MPT_MAX_ADAPTERS                18
  96#define MPT_MAX_PROTOCOL_DRIVERS        16
  97#define MPT_MAX_BUS                     1       /* Do not change */
  98#define MPT_MAX_FC_DEVICES              255
  99#define MPT_MAX_SCSI_DEVICES            16
 100#define MPT_LAST_LUN                    255
 101#define MPT_SENSE_BUFFER_ALLOC          64
 102        /* allow for 256 max sense alloc, but only 255 max request */
 103#if MPT_SENSE_BUFFER_ALLOC >= 256
 104#       undef MPT_SENSE_BUFFER_ALLOC
 105#       define MPT_SENSE_BUFFER_ALLOC   256
 106#       define MPT_SENSE_BUFFER_SIZE    255
 107#else
 108#       define MPT_SENSE_BUFFER_SIZE    MPT_SENSE_BUFFER_ALLOC
 109#endif
 110
 111#define MPT_NAME_LENGTH                 32
 112
 113#define MPT_PROCFS_MPTBASEDIR           "mpt"
 114                                                /* chg it to "driver/fusion" ? */
 115#define MPT_PROCFS_SUMMARY_ALL_NODE             MPT_PROCFS_MPTBASEDIR "/summary"
 116#define MPT_PROCFS_SUMMARY_ALL_PATHNAME         "/proc/" MPT_PROCFS_SUMMARY_ALL_NODE
 117#define MPT_FW_REV_MAGIC_ID_STRING              "FwRev="
 118
 119#define  MPT_MAX_REQ_DEPTH              1023
 120#define  MPT_DEFAULT_REQ_DEPTH          256
 121#define  MPT_MIN_REQ_DEPTH              128
 122
 123#define  MPT_MAX_REPLY_DEPTH            MPT_MAX_REQ_DEPTH
 124#define  MPT_DEFAULT_REPLY_DEPTH        128
 125#define  MPT_MIN_REPLY_DEPTH            8
 126#define  MPT_MAX_REPLIES_PER_ISR        32
 127
 128#define  MPT_MAX_FRAME_SIZE             128
 129#define  MPT_DEFAULT_FRAME_SIZE         128
 130
 131#define  MPT_REPLY_FRAME_SIZE           0x40  /* Must be a multiple of 8 */
 132
 133#define  MPT_SG_REQ_128_SCALE           1
 134#define  MPT_SG_REQ_96_SCALE            2
 135#define  MPT_SG_REQ_64_SCALE            4
 136
 137#define  CAN_SLEEP                      1
 138#define  NO_SLEEP                       0
 139
 140#define MPT_COALESCING_TIMEOUT          0x10
 141
 142/*
 143 * SCSI transfer rate defines.
 144 */
 145#define MPT_ULTRA320                    0x08
 146#define MPT_ULTRA160                    0x09
 147#define MPT_ULTRA2                      0x0A
 148#define MPT_ULTRA                       0x0C
 149#define MPT_FAST                        0x19
 150#define MPT_SCSI                        0x32
 151#define MPT_ASYNC                       0xFF
 152
 153#define MPT_NARROW                      0
 154#define MPT_WIDE                        1
 155
 156#define C0_1030                         0x08
 157#define XL_929                          0x01
 158
 159#ifdef __KERNEL__       /* { */
 160/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 161
 162#include <linux/proc_fs.h>
 163
 164/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 165/*
 166 * Attempt semi-consistent error & warning msgs across
 167 * MPT drivers.  NOTE: Users of these macro defs must
 168 * themselves define their own MYNAM.
 169 */
 170#define MYIOC_s_INFO_FMT                KERN_INFO MYNAM ": %s: "
 171#define MYIOC_s_NOTE_FMT                KERN_NOTICE MYNAM ": %s: "
 172#define MYIOC_s_WARN_FMT                KERN_WARNING MYNAM ": %s: WARNING - "
 173#define MYIOC_s_ERR_FMT                 KERN_ERR MYNAM ": %s: ERROR - "
 174
 175/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 176/*
 177 *  MPT protocol driver defs...
 178 */
 179typedef enum {
 180        MPTBASE_DRIVER,         /* MPT base class */
 181        MPTCTL_DRIVER,          /* MPT ioctl class */
 182        MPTSCSIH_DRIVER,        /* MPT SCSI host (initiator) class */
 183        MPTLAN_DRIVER,          /* MPT LAN class */
 184        MPTSTM_DRIVER,          /* MPT SCSI target mode class */
 185        MPTDMP_DRIVER,          /* MPT Dynamic Multi-pathing class */
 186        MPTUNKNOWN_DRIVER
 187} MPT_DRIVER_CLASS;
 188
 189/*
 190 *  MPT adapter / port / bus / device info structures...
 191 */
 192
 193typedef union _MPT_FRAME_TRACKER {
 194        struct {
 195                struct _MPT_FRAME_HDR   *forw;
 196                struct _MPT_FRAME_HDR   *back;
 197                u32                      arg1;
 198                u32                      pad;
 199                void                    *argp1;
 200#ifndef MPT_SCSI_USE_NEW_EH
 201                void                    *argp2;
 202#endif
 203        } linkage;
 204        /*
 205         * NOTE: When request frames are free, on the linkage structure
 206         * contets are valid.  All other values are invalid.
 207         * In particular, do NOT reply on offset [2]
 208         * (in words) being the * message context.
 209         * The message context must be reset (computed via base address
 210         * + an offset) prior to issuing any command.
 211         *
 212         * NOTE2: On non-32-bit systems, where pointers are LARGE,
 213         * using the linkage pointers destroys our sacred MsgContext
 214         * field contents.  But we don't care anymore because these
 215         * are now reset in mpt_put_msg_frame() just prior to sending
 216         * a request off to the IOC.
 217         */
 218        struct {
 219                u32 __hdr[2];
 220                /*
 221                 * The following _MUST_ match the location of the
 222                 * MsgContext field in the MPT message headers.
 223                 */
 224                union {
 225                        u32              MsgContext;
 226                        struct {
 227                                u16      req_idx;       /* Request index */
 228                                u8       cb_idx;        /* callback function index */
 229                                u8       rsvd;
 230                        } fld;
 231                } msgctxu;
 232        } hwhdr;
 233        /*
 234         * Remark: 32 bit identifier:
 235         *  31-24: reserved
 236         *  23-16: call back index
 237         *  15-0 : request index
 238         */
 239} MPT_FRAME_TRACKER;
 240
 241/*
 242 *  We might want to view/access a frame as:
 243 *    1) generic request header
 244 *    2) SCSIIORequest
 245 *    3) SCSIIOReply
 246 *    4) MPIDefaultReply
 247 *    5) frame tracker
 248 */
 249typedef struct _MPT_FRAME_HDR {
 250        union {
 251                MPIHeader_t             hdr;
 252                SCSIIORequest_t         scsireq;
 253                SCSIIOReply_t           sreply;
 254                ConfigReply_t           configreply;
 255                MPIDefaultReply_t       reply;
 256                MPT_FRAME_TRACKER       frame;
 257        } u;
 258} MPT_FRAME_HDR;
 259
 260#define MPT_REQ_MSGFLAGS_DROPME         0x80
 261
 262/* Used for tracking the free request frames
 263 * and free reply frames.
 264 */
 265typedef struct _MPT_Q_TRACKER {
 266        MPT_FRAME_HDR   *head;
 267        MPT_FRAME_HDR   *tail;
 268} MPT_Q_TRACKER;
 269
 270
 271typedef struct _MPT_SGL_HDR {
 272        SGESimple32_t    sge[1];
 273} MPT_SGL_HDR;
 274
 275typedef struct _MPT_SGL64_HDR {
 276        SGESimple64_t    sge[1];
 277} MPT_SGL64_HDR;
 278
 279
 280typedef struct _Q_ITEM {
 281        struct _Q_ITEM  *forw;
 282        struct _Q_ITEM  *back;
 283} Q_ITEM;
 284
 285typedef struct _Q_TRACKER {
 286        struct _Q_ITEM  *head;
 287        struct _Q_ITEM  *tail;
 288} Q_TRACKER;
 289
 290typedef struct _MPT_DONE_Q {
 291        struct _MPT_DONE_Q      *forw;
 292        struct _MPT_DONE_Q      *back;
 293        void                    *argp;
 294} MPT_DONE_Q;
 295
 296typedef struct _DONE_Q_TRACKER {
 297        MPT_DONE_Q      *head;
 298        MPT_DONE_Q      *tail;
 299} DONE_Q_TRACKER;
 300
 301/*
 302 *  Chip-specific stuff... FC929 delineates break between
 303 *  FC and Parallel SCSI parts. Do NOT re-order.
 304 */
 305
 306typedef enum {
 307        FC919X = 0x0819,
 308        FC929X = 0x0829,
 309        FC909 = 0x0909,
 310        FC919 = 0x0919,
 311        FC929 = 0x0929,
 312        C1030 = 0x1030,
 313        C1035 = 0x1035,
 314        FCUNK = 0xFBAD
 315} CHIP_TYPE;
 316
 317/*
 318 *  System interface register set
 319 */
 320
 321typedef struct _SYSIF_REGS
 322{
 323        u32     Doorbell;       /* 00     System<->IOC Doorbell reg  */
 324        u32     WriteSequence;  /* 04     Write Sequence register    */
 325        u32     Diagnostic;     /* 08     Diagnostic register        */
 326        u32     TestBase;       /* 0C     Test Base Address          */
 327        u32     DiagRwData;     /* 10     Read Write Data (fw download)   */
 328        u32     DiagRwAddress;  /* 14     Read Write Address (fw download)*/
 329        u32     Reserved1[6];   /* 18-2F  reserved for future use    */
 330        u32     IntStatus;      /* 30     Interrupt Status           */
 331        u32     IntMask;        /* 34     Interrupt Mask             */
 332        u32     Reserved2[2];   /* 38-3F  reserved for future use    */
 333        u32     RequestFifo;    /* 40     Request Post/Free FIFO     */
 334        u32     ReplyFifo;      /* 44     Reply   Post/Free FIFO     */
 335        u32     Reserved3[2];   /* 48-4F  reserved for future use    */
 336        u32     HostIndex;      /* 50     Host Index register        */
 337        u32     Reserved4[15];  /* 54-8F                             */
 338        u32     Fubar;          /* 90     For Fubar usage            */
 339        u32     Reserved5[27];  /* 94-FF                             */
 340} SYSIF_REGS;
 341
 342/*
 343 * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
 344 * in conjunction with SYSIF_REGS accesses!
 345 */
 346
 347
 348/*
 349 *      Dynamic Multi-Pathing specific stuff...
 350 */
 351#define DMP_MAX_PATHS   8
 352
 353typedef struct _PathInfo {
 354        u8               ioc;
 355        u8               target;
 356        u8               pad;
 357        u8               pflags;
 358} PathInfo;
 359
 360#define PATHINFO_FLAGS_OWNED            0x01
 361#define PATHINFO_FLAGS_EXISTS           0x02
 362#define PATHINFO_FLAGS_AVAILABLE        0x04
 363#define PATHINFO_FLAGS_SECONDARY        0x08
 364
 365#define PFLAGS_EXISTS_AND_AVAIL         (PATHINFO_FLAGS_EXISTS|PATHINFO_FLAGS_AVAILABLE)
 366#define PFLAGS_AVAIL_AND_OWNED          (PATHINFO_FLAGS_AVAILABLE|PATHINFO_FLAGS_OWNED)
 367
 368typedef struct _ScsiCmndTracker {
 369        void                    *head;
 370        void                    *tail;
 371} ScsiCmndTracker;
 372
 373
 374/*
 375 *      VirtDevice - FC LUN device or SCSI target device
 376 *      (used to be FCSCSI_TARGET)
 377 */
 378typedef struct _VirtDevice {
 379        struct _VirtDevice      *forw;
 380        struct _VirtDevice      *back;
 381        struct scsi_device      *device;
 382        rwlock_t                 VdevLock;
 383        int                      ref_cnt;
 384        u8                       tflags;
 385        u8                       ioc_id;
 386        u8                       target_id;
 387        u8                       bus_id;
 388        u8                       minSyncFactor; /* 0xFF is async */
 389        u8                       maxOffset;     /* 0 if async */
 390        u8                       maxWidth;      /* 0 if narrow, 1 if wide*/
 391        u8                       negoFlags;     /* bit field, 0 if WDTR/SDTR/QAS allowed */
 392        u8                       raidVolume;    /* set, if RAID Volume */
 393        u8                       type;          /* byte 0 of Inquiry data */
 394        u8                       cflags;        /* controller flags */
 395        u8                       rsvd1raid;
 396        int                      npaths;
 397        u16                      fc_phys_lun;
 398        u16                      fc_xlat_lun;
 399        int                      stall_detected;
 400        PathInfo                 path[DMP_MAX_PATHS];
 401        struct timer_list        stall_timer;
 402        struct timer_list        retry_timer;
 403        struct timer_list        gone_timer;
 404        ScsiCmndTracker          WaitQ;
 405        ScsiCmndTracker          SentQ;
 406        ScsiCmndTracker          DoneQ;
 407        u32                      num_luns;
 408        u32                      luns[8];               /* Max LUNs is 256 */
 409        u8                       pad[4];
 410        u8                       inq_data[8];
 411                /* IEEE Registered Extended Identifier
 412                   obtained via INQUIRY VPD page 0x83 */
 413                /* NOTE: Do not separate uniq_prepad and uniq_data
 414                   as they are treateed as a single entity in the code */
 415        u8                       uniq_prepad[8];
 416        u8                       uniq_data[20];
 417        u8                       pad2[4];
 418} VirtDevice;
 419
 420/*
 421 *  Fibre Channel (SCSI) target device and associated defines...
 422 */
 423#define MPT_TARGET_DEFAULT_DV_STATUS    0
 424#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,55)
 425#define MPT_TARGET_FLAGS_CONFIGURED     0x02
 426#define MPT_TARGET_FLAGS_Q_YES          0x08
 427#else
 428#define MPT_TARGET_FLAGS_VALID_NEGO     0x01
 429#define MPT_TARGET_FLAGS_VALID_INQUIRY  0x02
 430#define MPT_TARGET_FLAGS_Q_YES          0x08
 431#define MPT_TARGET_FLAGS_VALID_56       0x10
 432#define MPT_TARGET_FLAGS_SAF_TE_ISSUED  0x20
 433#endif
 434
 435#define MPT_TARGET_NO_NEGO_WIDE         0x01
 436#define MPT_TARGET_NO_NEGO_SYNC         0x02
 437#define MPT_TARGET_NO_NEGO_QAS          0x04
 438
 439typedef struct _VirtDevTracker {
 440        struct _VirtDevice      *head;
 441        struct _VirtDevice      *tail;
 442        rwlock_t                 VlistLock;
 443        int                      pad;
 444} VirtDevTracker;
 445
 446
 447/*
 448 *      /proc/mpt interface
 449 */
 450typedef struct {
 451        const char      *name;
 452        mode_t           mode;
 453        int              pad;
 454        read_proc_t     *read_proc;
 455        write_proc_t    *write_proc;
 456} mpt_proc_entry_t;
 457
 458#define MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len) \
 459do { \
 460        len -= offset;                  \
 461        if (len < request) {            \
 462                *eof = 1;               \
 463                if (len <= 0)           \
 464                        return 0;       \
 465        } else                          \
 466                len = request;          \
 467        *start = buf + offset;          \
 468        return len;                     \
 469} while (0)
 470
 471
 472/*
 473 *      IOCTL structure and associated defines
 474 */
 475
 476#define MPT_IOCTL_STATUS_DID_IOCRESET   0x01    /* IOC Reset occurred on the current*/
 477#define MPT_IOCTL_STATUS_RF_VALID       0x02    /* The Reply Frame is VALID */
 478#define MPT_IOCTL_STATUS_TIMER_ACTIVE   0x04    /* The timer is running */
 479#define MPT_IOCTL_STATUS_SENSE_VALID    0x08    /* Sense data is valid */
 480#define MPT_IOCTL_STATUS_COMMAND_GOOD   0x10    /* Command Status GOOD */
 481#define MPT_IOCTL_STATUS_TMTIMER_ACTIVE 0x20    /* The TM timer is running */
 482#define MPT_IOCTL_STATUS_TM_FAILED      0x40    /* User TM request failed */
 483
 484#define MPTCTL_RESET_OK                 0x01    /* Issue Bus Reset */
 485
 486typedef struct _MPT_IOCTL {
 487        struct _MPT_ADAPTER     *ioc;
 488        struct timer_list        timer;         /* timer function for this adapter */
 489        u8                       ReplyFrame[MPT_DEFAULT_FRAME_SIZE];    /* reply frame data */
 490        u8                       sense[MPT_SENSE_BUFFER_ALLOC];
 491        int                      wait_done;     /* wake-up value for this ioc */
 492        u8                       rsvd;
 493        u8                       status;        /* current command status */
 494        u8                       reset;         /* 1 if bus reset allowed */
 495        u8                       target;        /* target for reset */
 496        void                    *tmPtr;
 497        struct timer_list        TMtimer;       /* timer function for this adapter */
 498} MPT_IOCTL;
 499
 500/*
 501 *  Event Structure and define
 502 */
 503#define MPTCTL_EVENT_LOG_SIZE           (0x0000000A)
 504typedef struct _mpt_ioctl_events {
 505        u32     event;          /* Specified by define above */
 506        u32     eventContext;   /* Index or counter */
 507        int     data[2];        /* First 8 bytes of Event Data */
 508} MPT_IOCTL_EVENTS;
 509
 510/*
 511 * CONFIGPARM status  defines
 512 */
 513#define MPT_CONFIG_GOOD         MPI_IOCSTATUS_SUCCESS
 514#define MPT_CONFIG_ERROR        0x002F
 515
 516/*
 517 *      Substructure to store SCSI specific configuration page data
 518 */
 519                                                /* dvStatus defines: */
 520#define MPT_SCSICFG_NEGOTIATE           0x01    /* Negotiate on next IO */
 521#define MPT_SCSICFG_NEED_DV             0x02    /* Schedule DV */
 522#define MPT_SCSICFG_DV_PENDING          0x04    /* DV on this physical id pending */
 523#define MPT_SCSICFG_DV_NOT_DONE         0x08    /* DV has not been performed */
 524#define MPT_SCSICFG_BLK_NEGO            0x10    /* WriteSDP1 with WDTR and SDTR disabled */
 525#define MPT_SCSICFG_RELOAD_IOC_PG3      0x20    /* IOC Pg 3 data is obsolete */
 526                                                /* Args passed to writeSDP1: */
 527#define MPT_SCSICFG_USE_NVRAM           0x01    /* WriteSDP1 using NVRAM */
 528#define MPT_SCSICFG_ALL_IDS             0x02    /* WriteSDP1 to all IDS */
 529/* #define MPT_SCSICFG_BLK_NEGO         0x10       WriteSDP1 with WDTR and SDTR disabled */
 530
 531typedef struct _ScsiCfgData {
 532        u32              PortFlags;
 533        int             *nvram;                 /* table of device NVRAM values */
 534        IOCPage2_t      *pIocPg2;               /* table of Raid Volumes */
 535        IOCPage3_t      *pIocPg3;               /* table of physical disks */
 536        IOCPage4_t      *pIocPg4;               /* SEP devices addressing */
 537        dma_addr_t       IocPg4_dma;            /* Phys Addr of IOCPage4 data */
 538        int              IocPg4Sz;              /* IOCPage4 size */
 539        u8               dvStatus[MPT_MAX_SCSI_DEVICES];
 540        int              isRaid;                /* bit field, 1 if RAID */
 541        u8               minSyncFactor;         /* 0xFF if async */
 542        u8               maxSyncOffset;         /* 0 if async */
 543        u8               maxBusWidth;           /* 0 if narrow, 1 if wide */
 544        u8               busType;               /* SE, LVD, HD */
 545        u8               sdp1version;           /* SDP1 version */
 546        u8               sdp1length;            /* SDP1 length  */
 547        u8               sdp0version;           /* SDP0 version */
 548        u8               sdp0length;            /* SDP0 length  */
 549        u8               dvScheduled;           /* 1 if scheduled */
 550        u8               forceDv;               /* 1 to force DV scheduling */
 551        u8               noQas;                 /* Disable QAS for this adapter */
 552        u8               Saf_Te;                /* 1 to force all Processors as SAF-TE if Inquiry data length is too short to check for SAF-TE */
 553        u8               rsvd[1];
 554} ScsiCfgData;
 555
 556/*
 557 *  Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
 558 */
 559typedef struct _MPT_ADAPTER
 560{
 561        struct _MPT_ADAPTER     *forw;
 562        struct _MPT_ADAPTER     *back;
 563        int                      id;            /* Unique adapter id N {0,1,2,...} */
 564        int                      pci_irq;       /* This irq           */
 565        char                     name[MPT_NAME_LENGTH]; /* "iocN"             */
 566        char                    *prod_name;     /* "LSIFC9x9"         */
 567        volatile SYSIF_REGS     *chip;          /* == c8817000 (mmap) */
 568        volatile SYSIF_REGS     *pio_chip;      /* Programmed IO (downloadboot) */
 569        u32                      mem_phys;      /* == f4020000 (mmap) */
 570        u32                      pio_mem_phys;  /* Programmed IO (downloadboot) */
 571        int                      mem_size;      /* mmap memory size */
 572        int                      alloc_total;
 573        u32                      last_state;
 574        int                      active;
 575        u8                      *reply_alloc;   /* Reply frames alloc ptr */
 576        dma_addr_t               reply_alloc_dma;
 577        MPT_FRAME_HDR           *reply_frames;  /* Reply msg frames - rounded up! */
 578        dma_addr_t               reply_frames_dma;
 579        u32                      reply_frames_low_dma;
 580        int                      reply_depth;   /* Num Allocated reply frames */
 581        int                      reply_sz;      /* Reply frame size */
 582        CHIP_TYPE                chip_type;
 583                /* We (host driver) get to manage our own RequestQueue! */
 584        u8                      *req_alloc;     /* Request frames alloc ptr */
 585        dma_addr_t               req_alloc_dma;
 586        MPT_FRAME_HDR           *req_frames;    /* Request msg frames - rounded up! */
 587        dma_addr_t               req_frames_dma;
 588        u32                      req_frames_low_dma;
 589        int                      req_depth;     /* Number of request frames */
 590        int                      req_sz;        /* Request frame size (bytes) */
 591        spinlock_t               FreeQlock;
 592        MPT_Q_TRACKER            FreeQ;
 593                /* Pool of SCSI sense buffers for commands coming from
 594                 * the SCSI mid-layer.  We have one 256 byte sense buffer
 595                 * for each REQ entry.
 596                 */
 597        u8                      *sense_buf_pool;
 598        dma_addr_t               sense_buf_pool_dma;
 599        u32                      sense_buf_low_dma;
 600        int                      mtrr_reg;
 601        struct pci_dev          *pcidev;        /* struct pci_dev pointer */
 602        u8                      *memmap;        /* mmap address */
 603        struct Scsi_Host        *sh;            /* Scsi Host pointer */
 604        ScsiCfgData             spi_data;       /* Scsi config. data */
 605        MPT_IOCTL               *ioctl;         /* ioctl data pointer */
 606        struct proc_dir_entry   *ioc_dentry;
 607        struct _MPT_ADAPTER     *alt_ioc;       /* ptr to 929 bound adapter port */
 608        spinlock_t               diagLock;      /* diagnostic reset lock */
 609        int                      diagPending;
 610        u32                      biosVersion;   /* BIOS version from IO Unit Page 2 */
 611        int                      eventTypes;    /* Event logging parameters */
 612        int                      eventContext;  /* Next event context */
 613        int                      eventLogSize;  /* Max number of cached events */
 614#ifdef MPTSCSIH_DBG_TIMEOUT
 615        int                     timeout_hard;
 616        int                     timeout_delta;
 617        int                     timeout_cnt;
 618        int                     timeout_maxcnt;
 619#endif
 620        struct _mpt_ioctl_events *events;       /* pointer to event log */
 621        u8                      *cached_fw;     /* Pointer to FW */
 622        dma_addr_t              cached_fw_dma;
 623        Q_TRACKER                configQ;       /* linked list of config. requests */
 624        int                      hs_reply_idx;
 625#ifndef MFCNT
 626        u32                      pad0;
 627#else
 628        u32                      mfcnt;
 629#endif
 630        u32                      hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
 631        u16                      hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
 632        IOCFactsReply_t          facts;
 633        PortFactsReply_t         pfacts[2];
 634        FCPortPage0_t            fc_port_page0[2];
 635        LANPage0_t               lan_cnfg_page0;
 636        LANPage1_t               lan_cnfg_page1;
 637        u8                       FirstWhoInit;
 638        u8                       upload_fw;     /* If set, do a fw upload */
 639        u8                       reload_fw;     /* Force a FW Reload on next reset */
 640        u8                       pad1[5];
 641} MPT_ADAPTER;
 642
 643
 644typedef struct _MPT_ADAPTER_TRACKER {
 645        MPT_ADAPTER     *head;
 646        MPT_ADAPTER     *tail;
 647} MPT_ADAPTER_TRACKER;
 648
 649/*
 650 *  New return value convention:
 651 *    1 = Ok to free associated request frame
 652 *    0 = not Ok ...
 653 */
 654typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
 655typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
 656typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
 657/* reset_phase defs */
 658#define MPT_IOC_PRE_RESET               0
 659#define MPT_IOC_POST_RESET              1
 660#define MPT_IOC_SETUP_RESET             2
 661
 662/*
 663 * Invent MPT host event (super-set of MPI Events)
 664 * Fitted to 1030's 64-byte [max] request frame size
 665 */
 666typedef struct _MPT_HOST_EVENT {
 667        EventNotificationReply_t         MpiEvent;      /* 8 32-bit words! */
 668        u32                              pad[6];
 669        void                            *next;
 670} MPT_HOST_EVENT;
 671
 672#define MPT_HOSTEVENT_IOC_BRINGUP       0x91
 673#define MPT_HOSTEVENT_IOC_RECOVER       0x92
 674
 675/* Define the generic types based on the size
 676 * of the dma_addr_t type.
 677 */
 678typedef struct _mpt_sge {
 679        u32             FlagsLength;
 680        dma_addr_t      Address;
 681} MptSge_t;
 682
 683#define mpt_addr_size() \
 684        ((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SGE_FLAGS_64_BIT_ADDRESSING : \
 685                MPI_SGE_FLAGS_32_BIT_ADDRESSING)
 686
 687#define mpt_msg_flags() \
 688        ((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 : \
 689                MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32)
 690
 691/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 692/*
 693 *  Funky (private) macros...
 694 */
 695#ifdef MPT_DEBUG
 696#define dprintk(x)  printk x
 697#else
 698#define dprintk(x)
 699#endif
 700
 701#ifdef MPT_DEBUG_INIT
 702#define dinitprintk(x)  printk x
 703#define DBG_DUMP_FW_REQUEST_FRAME(mfp) \
 704        {       int  i, n = 10;                                         \
 705                u32 *m = (u32 *)(mfp);                                  \
 706                printk(KERN_INFO " ");                                  \
 707                for (i=0; i<n; i++)                                     \
 708                        printk(" %08x", le32_to_cpu(m[i]));             \
 709                printk("\n");                                           \
 710        }
 711#else
 712#define dinitprintk(x)
 713#define DBG_DUMP_FW_REQUEST_FRAME(mfp)
 714#endif
 715
 716#ifdef MPT_DEBUG_EXIT
 717#define dexitprintk(x)  printk x
 718#else
 719#define dexitprintk(x)
 720#endif
 721
 722#ifdef MPT_DEBUG_RESET
 723#define drsprintk(x)  printk x
 724#else
 725#define drsprintk(x)
 726#endif
 727
 728#ifdef MPT_DEBUG_HANDSHAKE
 729#define dhsprintk(x)  printk x
 730#else
 731#define dhsprintk(x)
 732#endif
 733
 734//#if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
 735#if defined(MPT_DEBUG_MSG_FRAME)
 736#define dmfprintk(x)  printk x
 737#else
 738#define dmfprintk(x)
 739#endif
 740
 741#ifdef MPT_DEBUG_IRQ
 742#define dirqprintk(x)  printk x
 743#else
 744#define dirqprintk(x)
 745#endif
 746
 747#ifdef MPT_DEBUG_SG
 748#define dsgprintk(x)  printk x
 749#else
 750#define dsgprintk(x)
 751#endif
 752
 753#if defined(MPT_DEBUG_DL) || defined(MPT_DEBUG)
 754#define ddlprintk(x)  printk x
 755#else
 756#define ddlprintk(x)
 757#endif
 758
 759
 760#ifdef MPT_DEBUG_DV
 761#define ddvprintk(x)  printk x
 762#else
 763#define ddvprintk(x)
 764#endif
 765
 766#if defined(MPT_DEBUG_DV) || defined(MPT_DEBUG_DV_TINY)
 767#define ddvtprintk(x)  printk x
 768#else
 769#define ddvtprintk(x)
 770#endif
 771
 772#ifdef MPT_DEBUG_IOCTL
 773#define dctlprintk(x) printk x
 774#else
 775#define dctlprintk(x)
 776#endif
 777
 778#ifdef MPT_DEBUG_RESET
 779#define dtmprintk(x) printk x
 780#else
 781#define dtmprintk(x)
 782#endif
 783
 784#ifdef MPT_DEBUG_NEH
 785#define nehprintk(x) printk x
 786#else
 787#define nehprintk(x)
 788#endif
 789
 790#if defined(MPT_DEBUG_CONFIG) || defined(MPT_DEBUG)
 791#define dcprintk(x) printk x
 792#else
 793#define dcprintk(x)
 794#endif
 795
 796#if defined(MPT_DEBUG_SCSI) || defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
 797#define dsprintk(x) printk x
 798#else
 799#define dsprintk(x)
 800#endif
 801
 802
 803#define MPT_INDEX_2_MFPTR(ioc,idx) \
 804        (MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )
 805
 806#define MFPTR_2_MPT_INDEX(ioc,mf) \
 807        (int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )
 808
 809#define MPT_INDEX_2_RFPTR(ioc,idx) \
 810        (MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )
 811
 812#define Q_INIT(q,type)  (q)->head = (q)->tail = (type*)(q)
 813#define Q_IS_EMPTY(q)   ((Q_ITEM*)(q)->head == (Q_ITEM*)(q))
 814
 815#define Q_ADD_TAIL(qt,i,type) { \
 816        Q_TRACKER       *_qt = (Q_TRACKER*)(qt); \
 817        Q_ITEM          *oldTail = _qt->tail; \
 818        (i)->forw = (type*)_qt; \
 819        (i)->back = (type*)oldTail; \
 820        oldTail->forw = (Q_ITEM*)(i); \
 821        _qt->tail = (Q_ITEM*)(i); \
 822}
 823
 824#define Q_ADD_HEAD(qt,i,type) { \
 825        Q_TRACKER       *_qt = (Q_TRACKER*)(qt); \
 826        Q_ITEM          *oldHead = _qt->head; \
 827        (i)->forw = (type*)oldHead; \
 828        (i)->back = (type*)_qt; \
 829        oldHead->back = (Q_ITEM*)(i); \
 830        _qt->head = (Q_ITEM*)(i); \
 831}
 832
 833#define Q_DEL_ITEM(i) { \
 834        Q_ITEM  *_forw = (Q_ITEM*)(i)->forw; \
 835        Q_ITEM  *_back = (Q_ITEM*)(i)->back; \
 836        _back->forw = _forw; \
 837        _forw->back = _back; \
 838}
 839
 840#define SWAB4(value) \
 841        (u32)(   (((value) & 0x000000ff) << 24) \
 842               | (((value) & 0x0000ff00) << 8)  \
 843               | (((value) & 0x00ff0000) >> 8)  \
 844               | (((value) & 0xff000000) >> 24) )
 845
 846
 847#if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
 848#define DBG_DUMP_REPLY_FRAME(mfp) \
 849        {       u32 *m = (u32 *)(mfp);                                  \
 850                int  i, n = (le32_to_cpu(m[0]) & 0x00FF0000) >> 16;     \
 851                printk(KERN_INFO " ");                                  \
 852                for (i=0; i<n; i++)                                     \
 853                        printk(" %08x", le32_to_cpu(m[i]));             \
 854                printk("\n");                                           \
 855        }
 856#define DBG_DUMP_REQUEST_FRAME_HDR(mfp) \
 857        {       int  i, n = 3;                                          \
 858                u32 *m = (u32 *)(mfp);                                  \
 859                printk(KERN_INFO " ");                                  \
 860                for (i=0; i<n; i++)                                     \
 861                        printk(" %08x", le32_to_cpu(m[i]));             \
 862                printk("\n");                                           \
 863        }
 864#else
 865#define DBG_DUMP_REPLY_FRAME(mfp)
 866#define DBG_DUMP_REQUEST_FRAME_HDR(mfp)
 867#endif
 868
 869
 870/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 871
 872/*
 873 * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
 874 * Private to the driver.
 875 */
 876/* LOCAL structure and fields used when processing
 877 * internally generated commands. These include:
 878 * bus scan, dv and config requests.
 879 */
 880typedef struct _MPT_LOCAL_REPLY {
 881        ConfigPageHeader_t header;
 882        int     completion;
 883        u8      sense[SCSI_STD_SENSE_BYTES];
 884        u8      scsiStatus;
 885        u8      skip;
 886        u32     pad;
 887} MPT_LOCAL_REPLY;
 888
 889#define MPT_HOST_BUS_UNKNOWN            (0xFF)
 890#define MPT_HOST_TOO_MANY_TM            (0x05)
 891#define MPT_HOST_NVRAM_INVALID          (0xFFFFFFFF)
 892#define MPT_HOST_NO_CHAIN               (0xFFFFFFFF)
 893#define MPT_NVRAM_MASK_TIMEOUT          (0x000000FF)
 894#define MPT_NVRAM_SYNC_MASK             (0x0000FF00)
 895#define MPT_NVRAM_SYNC_SHIFT            (8)
 896#define MPT_NVRAM_DISCONNECT_ENABLE     (0x00010000)
 897#define MPT_NVRAM_ID_SCAN_ENABLE        (0x00020000)
 898#define MPT_NVRAM_LUN_SCAN_ENABLE       (0x00040000)
 899#define MPT_NVRAM_TAG_QUEUE_ENABLE      (0x00080000)
 900#define MPT_NVRAM_WIDE_DISABLE          (0x00100000)
 901#define MPT_NVRAM_BOOT_CHOICE           (0x00200000)
 902
 903#ifdef MPT_SCSI_USE_NEW_EH
 904/* The TM_STATE variable is used to provide strict single threading of TM
 905 * requests as well as communicate TM error conditions.
 906 */
 907#define TM_STATE_NONE          (0)
 908#define TM_STATE_IN_PROGRESS   (1)
 909#define TM_STATE_ERROR         (2)
 910#endif
 911
 912typedef struct _MPT_SCSI_HOST {
 913        MPT_ADAPTER              *ioc;
 914        int                       port;
 915        u32                       pad0;
 916        struct scsi_cmnd        **ScsiLookup;
 917                /* Pool of buffers for chaining. ReqToChain
 918                 * and ChainToChain track index of chain buffers.
 919                 * ChainBuffer (DMA) virt/phys addresses.
 920                 * FreeChainQ (lock) locking mechanisms.
 921                 */
 922        int                      *ReqToChain;
 923        int                      *ChainToChain;
 924        u8                       *ChainBuffer;
 925        dma_addr_t                ChainBufferDMA;
 926        MPT_Q_TRACKER             FreeChainQ;
 927        spinlock_t                FreeChainQlock;
 928        u32                       qtag_tick;
 929        VirtDevice              **Targets;
 930        MPT_LOCAL_REPLY          *pLocal;               /* used for internal commands */
 931        struct timer_list         timer;
 932        struct timer_list         TMtimer;              /* Timer for TM commands ONLY */
 933                /* Pool of memory for holding SCpnts before doing
 934                 * OS callbacks. freeQ is the free pool.
 935                 */
 936        u8                       *memQ;
 937        DONE_Q_TRACKER            freeQ;
 938        DONE_Q_TRACKER            doneQ;                /* Holds Linux formmatted requests */
 939        DONE_Q_TRACKER            pendingQ;             /* Holds MPI formmatted requests */
 940        MPT_Q_TRACKER             taskQ;                /* TM request Q */
 941        spinlock_t                freedoneQlock;
 942        int                       taskQcnt;
 943        int                       num_chain;            /* Number of chain buffers */
 944        int                       max_sge;              /* Max No of SGE*/
 945        u8                        numTMrequests;
 946        u8                        tmPending;
 947        u8                        resetPending;
 948        u8                        is_spi;               /* Parallel SCSI i/f */
 949        u8                        negoNvram;            /* DV disabled, nego NVRAM */
 950        u8                        is_multipath;         /* Multi-path compatible */
 951#ifdef MPT_SCSI_USE_NEW_EH
 952        u8                        tmState;
 953        u8                        rsvd[1];
 954#else
 955        u8                        rsvd[2];
 956#endif
 957        MPT_FRAME_HDR            *tmPtr;                /* Ptr to TM request*/
 958        MPT_FRAME_HDR            *cmdPtr;               /* Ptr to nonOS request */
 959        struct scsi_cmnd         *abortSCpnt;
 960        MPT_LOCAL_REPLY           localReply;           /* internal cmd reply struct */
 961        unsigned long             hard_resets;          /* driver forced bus resets count */
 962        unsigned long             soft_resets;          /* fw/external bus resets count */
 963        unsigned long             timeouts;             /* cmd timeouts */
 964        ushort                    sel_timeout[MPT_MAX_FC_DEVICES];
 965} MPT_SCSI_HOST;
 966
 967/*
 968 *      Structure for overlaying onto scsi_cmnd->SCp area
 969 *      NOTE: SCp area is 36 bytes min, 44 bytes max?
 970 */
 971typedef struct _scPrivate {
 972        struct scsi_cmnd        *forw;
 973        struct scsi_cmnd        *back;
 974        void                    *p1;
 975        void                    *p2;
 976        u8                       io_path_id;    /* DMP */
 977        u8                       pad[7];
 978} scPrivate;
 979
 980/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 981/*
 982 *      More Dynamic Multi-Pathing stuff...
 983 */
 984
 985/* Forward decl, a strange C thing, to prevent gcc compiler warnings */
 986struct scsi_cmnd;
 987
 988/*
 989 *      DMP service layer structure / API interface
 990 */
 991typedef struct _DmpServices {
 992        VirtDevTracker    VdevList;
 993        struct semaphore *Daemon;
 994        int             (*ScsiPathSelect)
 995                                (struct scsi_cmnd *, MPT_SCSI_HOST **hd, int *target, int *lun);
 996        int             (*DmpIoDoneChk)
 997                                (MPT_SCSI_HOST *, struct scsi_cmnd *,
 998                                 SCSIIORequest_t *,
 999                                 SCSIIOReply_t *);
1000        void            (*mptscsih_scanVlist)

1001                                (MPT_SCSI_HOST *, int portnum);
1002        int             (*ScsiAbort)
1003                                (struct scsi_cmnd *);
1004        int             (*ScsiBusReset)
1005                                (struct scsi_cmnd *);
1006} DmpServices_t;
1007
1008/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1009/*
1010 * Generic structure passed to the base mpt_config function.
1011 */
1012typedef struct _x_config_parms {
1013        Q_ITEM                   linkage;       /* linked list */
1014        struct timer_list        timer;         /* timer function for this request  */
1015        ConfigPageHeader_t      *hdr;
1016        dma_addr_t               physAddr;
1017        int                      wait_done;     /* wait for this request */
1018        u32                      pageAddr;      /* properly formatted */
1019        u8                       action;
1020        u8                       dir;
1021        u8                       timeout;       /* seconds */
1022        u8                       pad1;
1023        u16                      status;
1024        u16                      pad2;
1025} CONFIGPARMS;
1026
1027/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1028/*
1029 *  Public entry points...
1030 */
1031extern int       mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
1032extern void      mpt_deregister(int cb_idx);
1033extern int       mpt_event_register(int cb_idx, MPT_EVHANDLER ev_cbfunc);
1034extern void      mpt_event_deregister(int cb_idx);
1035extern int       mpt_reset_register(int cb_idx, MPT_RESETHANDLER reset_func);
1036extern void      mpt_reset_deregister(int cb_idx);
1037extern int       mpt_register_ascqops_strings(void *ascqTable, int ascqtbl_sz, const char **opsTable);
1038extern void      mpt_deregister_ascqops_strings(void);
1039extern MPT_FRAME_HDR    *mpt_get_msg_frame(int handle, int iocid);
1040extern void      mpt_free_msg_frame(int handle, int iocid, MPT_FRAME_HDR *mf);
1041extern void      mpt_put_msg_frame(int handle, int iocid, MPT_FRAME_HDR *mf);
1042extern void      mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr);
1043extern void      mpt_add_chain(char *pAddr, u8 next, u16 length, dma_addr_t dma_addr);
1044
1045extern int       mpt_send_handshake_request(int handle, int iocid, int reqBytes, u32 *req, int sleepFlag);
1046extern int       mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes, u32 *req, int replyBytes, u16 *u16reply, int maxwait, int sleepFlag);
1047extern int       mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
1048extern MPT_ADAPTER      *mpt_adapter_find_first(void);
1049extern MPT_ADAPTER      *mpt_adapter_find_next(MPT_ADAPTER *prev);
1050extern u32       mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
1051extern void      mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
1052extern int       mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
1053extern int       mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
1054extern int       mpt_toolbox(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
1055extern void      mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
1056extern void      mpt_free_fw_memory(MPT_ADAPTER *ioc);
1057extern int       mpt_findImVolumes(MPT_ADAPTER *ioc);
1058extern int       mpt_read_ioc_pg_3(MPT_ADAPTER *ioc);
1059
1060/*
1061 *  Public data decl's...
1062 */
1063extern MPT_ADAPTER              *mpt_adapters[MPT_MAX_ADAPTERS];
1064extern struct proc_dir_entry    *mpt_proc_root_dir;
1065extern DmpServices_t            *DmpService;
1066
1067extern int                mpt_lan_index;        /* needed by mptlan.c */
1068extern int                mpt_stm_index;        /* needed by mptstm.c */
1069
1070extern void              *mpt_v_ASCQ_TablePtr;
1071extern const char       **mpt_ScsiOpcodesPtr;
1072extern int                mpt_ASCQ_TableSz;
1073
1074/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1075#endif          /* } __KERNEL__ */
1076
1077/*
1078 *  More (public) macros...
1079 */
1080#ifndef MIN
1081#define MIN(a, b)   (((a) < (b)) ? (a) : (b))
1082#endif
1083#ifndef MAX
1084#define MAX(a, b)   (((a) > (b)) ? (a) : (b))
1085#endif
1086
1087#ifndef offsetof
1088#define offsetof(t, m)  ((size_t) (&((t *)0)->m))
1089#endif
1090
1091#if defined(__alpha__) || defined(__sparc_v9__) || defined(__ia64__) || defined(__x86_64__)
1092#define CAST_U32_TO_PTR(x)      ((void *)(u64)x)
1093#define CAST_PTR_TO_U32(x)      ((u32)(u64)x)
1094#else
1095#define CAST_U32_TO_PTR(x)      ((void *)x)
1096#define CAST_PTR_TO_U32(x)      ((u32)x)
1097#endif
1098
1099#define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
1100        ((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR)   ? 'I' : 'i',    \
1101        ((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET)      ? 'T' : 't',    \
1102        ((pflags) & MPI_PORTFACTS_PROTOCOL_LAN)         ? 'L' : 'l',    \
1103        ((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR)  ? 'B' : 'b'
1104
1105/*
1106 *  Shifted SGE Defines - Use in SGE with FlagsLength member.
1107 *  Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
1108 *  Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
1109 */
1110#define MPT_TRANSFER_IOC_TO_HOST                (0x00000000)
1111#define MPT_TRANSFER_HOST_TO_IOC                (0x04000000)
1112#define MPT_SGE_FLAGS_LAST_ELEMENT              (0x80000000)
1113#define MPT_SGE_FLAGS_END_OF_BUFFER             (0x40000000)
1114#define MPT_SGE_FLAGS_LOCAL_ADDRESS             (0x08000000)
1115#define MPT_SGE_FLAGS_DIRECTION                 (0x04000000)
1116#define MPT_SGE_FLAGS_ADDRESSING                (mpt_addr_size() << MPI_SGE_FLAGS_SHIFT)
1117#define MPT_SGE_FLAGS_END_OF_LIST               (0x01000000)
1118
1119#define MPT_SGE_FLAGS_TRANSACTION_ELEMENT       (0x00000000)
1120#define MPT_SGE_FLAGS_SIMPLE_ELEMENT            (0x10000000)
1121#define MPT_SGE_FLAGS_CHAIN_ELEMENT             (0x30000000)
1122#define MPT_SGE_FLAGS_ELEMENT_MASK              (0x30000000)
1123
1124#define MPT_SGE_FLAGS_SSIMPLE_READ \
1125        (MPT_SGE_FLAGS_LAST_ELEMENT |   \
1126         MPT_SGE_FLAGS_END_OF_BUFFER |  \
1127         MPT_SGE_FLAGS_END_OF_LIST |    \
1128         MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1129         MPT_SGE_FLAGS_ADDRESSING | \
1130         MPT_TRANSFER_IOC_TO_HOST)
1131#define MPT_SGE_FLAGS_SSIMPLE_WRITE \
1132        (MPT_SGE_FLAGS_LAST_ELEMENT |   \
1133         MPT_SGE_FLAGS_END_OF_BUFFER |  \
1134         MPT_SGE_FLAGS_END_OF_LIST |    \
1135         MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1136         MPT_SGE_FLAGS_ADDRESSING | \
1137         MPT_TRANSFER_HOST_TO_IOC)
1138
1139/*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1140#endif
1141
1142
The original LXR software by the LXR community, this experimental version by lxr@linux.no.
lxr.linux.no kindly hosted by Redpill Linpro AS, provider of Linux consulting and operations services since 1995.