LXR linux/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        "3.04.12"
  80#define MPT_LINUX_PACKAGE_NAME          "@(#)mptlinux-3.04.12"
  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
 224typedef 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
 232typedef 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 */
 247typedef 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
 258struct 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
 267typedef 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 */
 319typedef 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
 332typedef struct _MPT_SGL_HDR {
 333        SGESimple32_t    sge[1];
 334} MPT_SGL_HDR;
 335
 336typedef struct _MPT_SGL64_HDR {
 337        SGESimple64_t    sge[1];
 338} MPT_SGL64_HDR;
 339
 340/*
 341 *  System interface register set
 342 */
 343
 344typedef 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 */
 386typedef 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        u32                      num_luns;
 400} VirtTarget;
 401
 402typedef struct _VirtDevice {
 403        VirtTarget              *vtarget;
 404        u8                       configured_lun;
 405        int                      lun;
 406} VirtDevice;
 407
 408/*
 409 *  Fibre Channel (SCSI) target device and associated defines...
 410 */
 411#define MPT_TARGET_DEFAULT_DV_STATUS    0x00
 412#define MPT_TARGET_FLAGS_VALID_NEGO     0x01
 413#define MPT_TARGET_FLAGS_VALID_INQUIRY  0x02
 414#define MPT_TARGET_FLAGS_Q_YES          0x08
 415#define MPT_TARGET_FLAGS_VALID_56       0x10
 416#define MPT_TARGET_FLAGS_SAF_TE_ISSUED  0x20
 417#define MPT_TARGET_FLAGS_RAID_COMPONENT 0x40
 418#define MPT_TARGET_FLAGS_LED_ON         0x80
 419
 420/*
 421 *      /proc/mpt interface
 422 */
 423typedef struct {
 424        const char      *name;
 425        mode_t           mode;
 426        int              pad;
 427        read_proc_t     *read_proc;
 428        write_proc_t    *write_proc;
 429} mpt_proc_entry_t;
 430
 431#define MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len) \
 432do { \
 433        len -= offset;                  \
 434        if (len < request) {            \
 435                *eof = 1;               \
 436                if (len <= 0)           \
 437                        return 0;       \
 438        } else                          \
 439                len = request;          \
 440        *start = buf + offset;          \
 441        return len;                     \
 442} while (0)
 443
 444
 445/*
 446 *      IOCTL structure and associated defines
 447 */
 448
 449#define MPTCTL_RESET_OK                 0x01    /* Issue Bus Reset */
 450
 451#define MPT_MGMT_STATUS_RF_VALID        0x01    /* The Reply Frame is VALID */
 452#define MPT_MGMT_STATUS_COMMAND_GOOD    0x02    /* Command Status GOOD */
 453#define MPT_MGMT_STATUS_PENDING         0x04    /* command is pending */
 454#define MPT_MGMT_STATUS_DID_IOCRESET    0x08    /* IOC Reset occurred
 455                                                   on the current*/
 456#define MPT_MGMT_STATUS_SENSE_VALID     0x10    /* valid sense info */
 457#define MPT_MGMT_STATUS_TIMER_ACTIVE    0x20    /* obsolete */
 458#define MPT_MGMT_STATUS_FREE_MF         0x40    /* free the mf from
 459                                                   complete routine */
 460
 461#define INITIALIZE_MGMT_STATUS(status) \
 462        status = MPT_MGMT_STATUS_PENDING;
 463#define CLEAR_MGMT_STATUS(status) \
 464        status = 0;
 465#define CLEAR_MGMT_PENDING_STATUS(status) \
 466        status &= ~MPT_MGMT_STATUS_PENDING;
 467#define SET_MGMT_MSG_CONTEXT(msg_context, value) \
 468        msg_context = value;
 469
 470typedef struct _MPT_MGMT {
 471        struct mutex             mutex;
 472        struct completion        done;
 473        u8                       reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
 474        u8                       sense[MPT_SENSE_BUFFER_ALLOC];
 475        u8                       status;        /* current command status */
 476        int                      completion_code;
 477        u32                      msg_context;
 478} MPT_MGMT;
 479
 480/*
 481 *  Event Structure and define
 482 */
 483#define MPTCTL_EVENT_LOG_SIZE           (0x000000032)
 484typedef struct _mpt_ioctl_events {
 485        u32     event;          /* Specified by define above */
 486        u32     eventContext;   /* Index or counter */
 487        u32     data[2];        /* First 8 bytes of Event Data */
 488} MPT_IOCTL_EVENTS;
 489
 490/*
 491 * CONFIGPARM status  defines
 492 */
 493#define MPT_CONFIG_GOOD         MPI_IOCSTATUS_SUCCESS
 494#define MPT_CONFIG_ERROR        0x002F
 495
 496/*
 497 *      Substructure to store SCSI specific configuration page data
 498 */
 499                                                /* dvStatus defines: */
 500#define MPT_SCSICFG_USE_NVRAM           0x01    /* WriteSDP1 using NVRAM */
 501#define MPT_SCSICFG_ALL_IDS             0x02    /* WriteSDP1 to all IDS */
 502/* #define MPT_SCSICFG_BLK_NEGO         0x10       WriteSDP1 with WDTR and SDTR disabled */
 503
 504typedef struct _SpiCfgData {
 505        u32              PortFlags;
 506        int             *nvram;                 /* table of device NVRAM values */
 507        IOCPage4_t      *pIocPg4;               /* SEP devices addressing */
 508        dma_addr_t       IocPg4_dma;            /* Phys Addr of IOCPage4 data */
 509        int              IocPg4Sz;              /* IOCPage4 size */
 510        u8               minSyncFactor;         /* 0xFF if async */
 511        u8               maxSyncOffset;         /* 0 if async */
 512        u8               maxBusWidth;           /* 0 if narrow, 1 if wide */
 513        u8               busType;               /* SE, LVD, HD */
 514        u8               sdp1version;           /* SDP1 version */
 515        u8               sdp1length;            /* SDP1 length  */
 516        u8               sdp0version;           /* SDP0 version */
 517        u8               sdp0length;            /* SDP0 length  */
 518        u8               dvScheduled;           /* 1 if scheduled */
 519        u8               noQas;                 /* Disable QAS for this adapter */
 520        u8               Saf_Te;                /* 1 to force all Processors as
 521                                                 * SAF-TE if Inquiry data length
 522                                                 * is too short to check for SAF-TE
 523                                                 */
 524        u8               bus_reset;             /* 1 to allow bus reset */
 525        u8               rsvd[1];
 526}SpiCfgData;
 527
 528typedef struct _SasCfgData {
 529        u8               ptClear;               /* 1 to automatically clear the
 530                                                 * persistent table.
 531                                                 * 0 to disable
 532                                                 * automatic clearing.
 533                                                 */
 534}SasCfgData;
 535
 536/*
 537 * Inactive volume link list of raid component data
 538 * @inactive_list
 539 */
 540struct inactive_raid_component_info {
 541        struct   list_head list;
 542        u8               volumeID;              /* volume target id */
 543        u8               volumeBus;             /* volume channel */
 544        IOC_3_PHYS_DISK  d;                     /* phys disk info */
 545};
 546
 547typedef struct _RaidCfgData {
 548        IOCPage2_t      *pIocPg2;               /* table of Raid Volumes */
 549        IOCPage3_t      *pIocPg3;               /* table of physical disks */
 550        struct mutex    inactive_list_mutex;
 551        struct list_head        inactive_list; /* link list for physical
 552                                                disk that belong in
 553                                                inactive volumes */
 554}RaidCfgData;
 555
 556typedef struct _FcCfgData {
 557        /* will ultimately hold fc_port_page0 also */
 558        struct {
 559                FCPortPage1_t   *data;
 560                dma_addr_t       dma;
 561                int              pg_sz;
 562        }                        fc_port_page1[2];
 563} FcCfgData;
 564
 565#define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01    /* rport registered */
 566#define MPT_RPORT_INFO_FLAGS_MISSING    0x02    /* missing from DevPage0 scan */
 567
 568/*
 569 * data allocated for each fc rport device
 570 */
 571struct mptfc_rport_info
 572{
 573        struct list_head list;
 574        struct fc_rport *rport;
 575        struct scsi_target *starget;
 576        FCDevicePage0_t pg0;
 577        u8              flags;
 578};
 579
 580typedef void (*MPT_ADD_SGE)(void *pAddr, u32 flagslength, dma_addr_t dma_addr);
 581typedef void (*MPT_ADD_CHAIN)(void *pAddr, u8 next, u16 length,
 582                dma_addr_t dma_addr);
 583
 584/*
 585 *  Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
 586 */
 587typedef struct _MPT_ADAPTER
 588{
 589        int                      id;            /* Unique adapter id N {0,1,2,...} */
 590        int                      pci_irq;       /* This irq           */
 591        char                     name[MPT_NAME_LENGTH]; /* "iocN"             */
 592        char                     prod_name[MPT_NAME_LENGTH];    /* "LSIFC9x9"         */
 593#ifdef CONFIG_FUSION_LOGGING
 594        /* used in mpt_display_event_info */
 595        char                     evStr[EVENT_DESCR_STR_SZ];
 596#endif
 597        char                     board_name[16];
 598        char                     board_assembly[16];
 599        char                     board_tracer[16];
 600        u16                      nvdata_version_persistent;
 601        u16                      nvdata_version_default;
 602        int                      debug_level;
 603        u8                       io_missing_delay;
 604        u8                       device_missing_delay;
 605        SYSIF_REGS __iomem      *chip;          /* == c8817000 (mmap) */
 606        SYSIF_REGS __iomem      *pio_chip;      /* Programmed IO (downloadboot) */
 607        u8                       bus_type;
 608        u32                      mem_phys;      /* == f4020000 (mmap) */
 609        u32                      pio_mem_phys;  /* Programmed IO (downloadboot) */
 610        int                      mem_size;      /* mmap memory size */
 611        int                      number_of_buses;
 612        int                      devices_per_bus;
 613        int                      alloc_total;
 614        u32                      last_state;
 615        int                      active;
 616        u8                      *alloc;         /* frames alloc ptr */
 617        dma_addr_t               alloc_dma;
 618        u32                      alloc_sz;
 619        MPT_FRAME_HDR           *reply_frames;  /* Reply msg frames - rounded up! */
 620        u32                      reply_frames_low_dma;
 621        int                      reply_depth;   /* Num Allocated reply frames */
 622        int                      reply_sz;      /* Reply frame size */
 623        int                      num_chain;     /* Number of chain buffers */
 624        MPT_ADD_SGE              add_sge;       /* Pointer to add_sge
 625                                                   function */
 626        MPT_ADD_CHAIN            add_chain;     /* Pointer to add_chain
 627                                                   function */
 628                /* Pool of buffers for chaining. ReqToChain
 629                 * and ChainToChain track index of chain buffers.
 630                 * ChainBuffer (DMA) virt/phys addresses.
 631                 * FreeChainQ (lock) locking mechanisms.
 632                 */
 633        int                     *ReqToChain;
 634        int                     *RequestNB;
 635        int                     *ChainToChain;
 636        u8                      *ChainBuffer;
 637        dma_addr_t               ChainBufferDMA;
 638        struct list_head         FreeChainQ;
 639        spinlock_t               FreeChainQlock;
 640                /* We (host driver) get to manage our own RequestQueue! */
 641        dma_addr_t               req_frames_dma;
 642        MPT_FRAME_HDR           *req_frames;    /* Request msg frames - rounded up! */
 643        u32                      req_frames_low_dma;
 644        int                      req_depth;     /* Number of request frames */
 645        int                      req_sz;        /* Request frame size (bytes) */
 646        spinlock_t               FreeQlock;
 647        struct list_head         FreeQ;
 648                /* Pool of SCSI sense buffers for commands coming from
 649                 * the SCSI mid-layer.  We have one 256 byte sense buffer
 650                 * for each REQ entry.
 651                 */
 652        u8                      *sense_buf_pool;
 653        dma_addr_t               sense_buf_pool_dma;
 654        u32                      sense_buf_low_dma;
 655        u8                      *HostPageBuffer; /* SAS - host page buffer support */
 656        u32                     HostPageBuffer_sz;
 657        dma_addr_t              HostPageBuffer_dma;
 658        int                      mtrr_reg;
 659        struct pci_dev          *pcidev;        /* struct pci_dev pointer */
 660        int                     bars;           /* bitmask of BAR's that must be configured */
 661        int                     msi_enable;
 662        u8                      __iomem *memmap;        /* mmap address */
 663        struct Scsi_Host        *sh;            /* Scsi Host pointer */
 664        SpiCfgData              spi_data;       /* Scsi config. data */
 665        RaidCfgData             raid_data;      /* Raid config. data */
 666        SasCfgData              sas_data;       /* Sas config. data */
 667        FcCfgData               fc_data;        /* Fc config. data */
 668        struct proc_dir_entry   *ioc_dentry;
 669        struct _MPT_ADAPTER     *alt_ioc;       /* ptr to 929 bound adapter port */
 670        u32                      biosVersion;   /* BIOS version from IO Unit Page 2 */
 671        int                      eventTypes;    /* Event logging parameters */
 672        int                      eventContext;  /* Next event context */
 673        int                      eventLogSize;  /* Max number of cached events */
 674        struct _mpt_ioctl_events *events;       /* pointer to event log */
 675        u8                      *cached_fw;     /* Pointer to FW */
 676        dma_addr_t              cached_fw_dma;
 677        int                      hs_reply_idx;
 678#ifndef MFCNT
 679        u32                      pad0;
 680#else
 681        u32                      mfcnt;
 682#endif
 683        u32                      NB_for_64_byte_frame;
 684        u32                      hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
 685        u16                      hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
 686        IOCFactsReply_t          facts;
 687        PortFactsReply_t         pfacts[2];
 688        FCPortPage0_t            fc_port_page0[2];
 689        LANPage0_t               lan_cnfg_page0;
 690        LANPage1_t               lan_cnfg_page1;
 691
 692        u8                       ir_firmware; /* =1 if IR firmware detected */
 693        /*
 694         * Description: errata_flag_1064
 695         * If a PCIX read occurs within 1 or 2 cycles after the chip receives
 696         * a split completion for a read data, an internal address pointer incorrectly
 697         * increments by 32 bytes
 698         */
 699        int                      errata_flag_1064;
 700        int                      aen_event_read_flag; /* flag to indicate event log was read*/
 701        u8                       FirstWhoInit;
 702        u8                       upload_fw;     /* If set, do a fw upload */
 703        u8                       NBShiftFactor;  /* NB Shift Factor based on Block Size (Facts)  */
 704        u8                       pad1[4];
 705        u8                       DoneCtx;
 706        u8                       TaskCtx;
 707        u8                       InternalCtx;
 708        struct list_head         list;
 709        struct net_device       *netdev;
 710        struct list_head         sas_topology;
 711        struct mutex             sas_topology_mutex;
 712
 713        struct workqueue_struct *fw_event_q;
 714        struct list_head         fw_event_list;
 715        spinlock_t               fw_event_lock;
 716        u8                       fw_events_off; /* if '1', then ignore events */
 717        char                     fw_event_q_name[MPT_KOBJ_NAME_LEN];
 718
 719        struct mutex             sas_discovery_mutex;
 720        u8                       sas_discovery_runtime;
 721        u8                       sas_discovery_ignore_events;
 722
 723        /* port_info object for the host */
 724        struct mptsas_portinfo  *hba_port_info;
 725        u64                      hba_port_sas_addr;
 726        u16                      hba_port_num_phy;
 727        struct list_head         sas_device_info_list;
 728        struct mutex             sas_device_info_mutex;
 729        u8                       old_sas_discovery_protocal;
 730        u8                       sas_discovery_quiesce_io;
 731        int                      sas_index; /* index refrencing */
 732        MPT_MGMT                 sas_mgmt;
 733        MPT_MGMT                 mptbase_cmds; /* for sending config pages */
 734        MPT_MGMT                 internal_cmds;
 735        MPT_MGMT                 taskmgmt_cmds;
 736        MPT_MGMT                 ioctl_cmds;
 737        spinlock_t               taskmgmt_lock; /* diagnostic reset lock */
 738        int                      taskmgmt_in_progress;
 739        u8                       taskmgmt_quiesce_io;
 740        u8                       ioc_reset_in_progress;
 741        struct work_struct       sas_persist_task;
 742
 743        struct work_struct       fc_setup_reset_work;
 744        struct list_head         fc_rports;
 745        struct work_struct       fc_lsc_work;
 746        u8                       fc_link_speed[2];
 747        spinlock_t               fc_rescan_work_lock;
 748        struct work_struct       fc_rescan_work;
 749        char                     fc_rescan_work_q_name[MPT_KOBJ_NAME_LEN];
 750        struct workqueue_struct *fc_rescan_work_q;
 751
 752        /* driver forced bus resets count */
 753        unsigned long             hard_resets;
 754        /* fw/external bus resets count */
 755        unsigned long             soft_resets;
 756        /* cmd timeouts */
 757        unsigned long             timeouts;
 758
 759        struct scsi_cmnd        **ScsiLookup;
 760        spinlock_t                scsi_lookup_lock;
 761        u64                     dma_mask;
 762        u32                       broadcast_aen_busy;
 763        char                     reset_work_q_name[MPT_KOBJ_NAME_LEN];
 764        struct workqueue_struct *reset_work_q;
 765        struct delayed_work      fault_reset_work;
 766
 767        u8                      sg_addr_size;
 768        u8                      in_rescan;
 769        u8                      SGE_size;
 770
 771} MPT_ADAPTER;
 772
 773/*
 774 *  New return value convention:
 775 *    1 = Ok to free associated request frame
 776 *    0 = not Ok ...
 777 */
 778typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
 779typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
 780typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
 781/* reset_phase defs */
 782#define MPT_IOC_PRE_RESET               0
 783#define MPT_IOC_POST_RESET              1
 784#define MPT_IOC_SETUP_RESET             2
 785
 786/*
 787 * Invent MPT host event (super-set of MPI Events)
 788 * Fitted to 1030's 64-byte [max] request frame size
 789 */
 790typedef struct _MPT_HOST_EVENT {
 791        EventNotificationReply_t         MpiEvent;      /* 8 32-bit words! */
 792        u32                              pad[6];
 793        void                            *next;
 794} MPT_HOST_EVENT;
 795
 796#define MPT_HOSTEVENT_IOC_BRINGUP       0x91
 797#define MPT_HOSTEVENT_IOC_RECOVER       0x92
 798
 799/* Define the generic types based on the size
 800 * of the dma_addr_t type.
 801 */
 802typedef struct _mpt_sge {
 803        u32             FlagsLength;
 804        dma_addr_t      Address;
 805} MptSge_t;
 806
 807
 808#define mpt_msg_flags(ioc) \
 809        (ioc->sg_addr_size == sizeof(u64)) ?            \
 810        MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 :             \
 811        MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32
 812
 813#define MPT_SGE_FLAGS_64_BIT_ADDRESSING \
 814        (MPI_SGE_FLAGS_64_BIT_ADDRESSING << MPI_SGE_FLAGS_SHIFT)
 815
 816/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 817/*
 818 *  Funky (private) macros...
 819 */
 820#include "mptdebug.h"
 821
 822#define MPT_INDEX_2_MFPTR(ioc,idx) \
 823        (MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )
 824
 825#define MFPTR_2_MPT_INDEX(ioc,mf) \
 826        (int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )
 827
 828#define MPT_INDEX_2_RFPTR(ioc,idx) \
 829        (MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )
 830
 831/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 832
 833#define SCSI_STD_SENSE_BYTES    18
 834#define SCSI_STD_INQUIRY_BYTES  36
 835#define SCSI_MAX_INQUIRY_BYTES  96
 836
 837/*
 838 * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
 839 * Private to the driver.
 840 */
 841/* LOCAL structure and fields used when processing
 842 * internally generated commands. These include:
 843 * bus scan, dv and config requests.
 844 */
 845typedef struct _MPT_LOCAL_REPLY {
 846        ConfigPageHeader_t header;
 847        int     completion;
 848        u8      sense[SCSI_STD_SENSE_BYTES];
 849        u8      scsiStatus;
 850        u8      skip;
 851        u32     pad;
 852} MPT_LOCAL_REPLY;
 853
 854#define MPT_HOST_BUS_UNKNOWN            (0xFF)
 855#define MPT_HOST_TOO_MANY_TM            (0x05)
 856#define MPT_HOST_NVRAM_INVALID          (0xFFFFFFFF)
 857#define MPT_HOST_NO_CHAIN               (0xFFFFFFFF)
 858#define MPT_NVRAM_MASK_TIMEOUT          (0x000000FF)
 859#define MPT_NVRAM_SYNC_MASK             (0x0000FF00)
 860#define MPT_NVRAM_SYNC_SHIFT            (8)
 861#define MPT_NVRAM_DISCONNECT_ENABLE     (0x00010000)
 862#define MPT_NVRAM_ID_SCAN_ENABLE        (0x00020000)
 863#define MPT_NVRAM_LUN_SCAN_ENABLE       (0x00040000)
 864#define MPT_NVRAM_TAG_QUEUE_ENABLE      (0x00080000)
 865#define MPT_NVRAM_WIDE_DISABLE          (0x00100000)
 866#define MPT_NVRAM_BOOT_CHOICE           (0x00200000)
 867
 868/* The TM_STATE variable is used to provide strict single threading of TM
 869 * requests as well as communicate TM error conditions.
 870 */
 871#define TM_STATE_NONE          (0)
 872#define TM_STATE_IN_PROGRESS   (1)
 873#define TM_STATE_ERROR         (2)
 874
 875typedef enum {
 876        FC,
 877        SPI,
 878        SAS
 879} BUS_TYPE;
 880
 881typedef struct _MPT_SCSI_HOST {
 882        MPT_ADAPTER              *ioc;
 883        ushort                    sel_timeout[MPT_MAX_FC_DEVICES];
 884        char                      *info_kbuf;
 885        long                      last_queue_full;
 886        u16                       spi_pending;
 887        struct list_head          target_reset_list;
 888} MPT_SCSI_HOST;
 889
 890/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 891/*
 892 *      More Dynamic Multi-Pathing stuff...
 893 */
 894
 895/* Forward decl, a strange C thing, to prevent gcc compiler warnings */
 896struct scsi_cmnd;
 897
 898/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 899/*
 900 * Generic structure passed to the base mpt_config function.
 901 */
 902typedef struct _x_config_parms {
 903        union {
 904                ConfigExtendedPageHeader_t      *ehdr;
 905                ConfigPageHeader_t      *hdr;
 906        } cfghdr;
 907        dma_addr_t               physAddr;
 908        u32                      pageAddr;      /* properly formatted */
 909        u16                      status;
 910        u8                       action;
 911        u8                       dir;
 912        u8                       timeout;       /* seconds */
 913} CONFIGPARMS;
 914
 915/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 916/*
 917 *  Public entry points...
 918 */
 919extern int       mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
 920extern void      mpt_detach(struct pci_dev *pdev);
 921#ifdef CONFIG_PM
 922extern int       mpt_suspend(struct pci_dev *pdev, pm_message_t state);
 923extern int       mpt_resume(struct pci_dev *pdev);
 924#endif
 925extern u8        mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
 926extern void      mpt_deregister(u8 cb_idx);
 927extern int       mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc);
 928extern void      mpt_event_deregister(u8 cb_idx);
 929extern int       mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func);
 930extern void      mpt_reset_deregister(u8 cb_idx);
 931extern int       mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx);
 932extern void      mpt_device_driver_deregister(u8 cb_idx);
 933extern MPT_FRAME_HDR    *mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc);
 934extern void      mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 935extern void      mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 936extern void      mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
 937
 938extern int       mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
 939extern int       mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
 940extern u32       mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
 941extern void      mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
 942extern int       mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
 943extern int       mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
 944extern int       mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
 945extern void      mpt_free_fw_memory(MPT_ADAPTER *ioc);
 946extern int       mpt_findImVolumes(MPT_ADAPTER *ioc);
 947extern int       mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
 948extern int       mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk);
 949extern int      mpt_raid_phys_disk_pg1(MPT_ADAPTER *ioc, u8 phys_disk_num,
 950                pRaidPhysDiskPage1_t phys_disk);
 951extern int      mpt_raid_phys_disk_get_num_paths(MPT_ADAPTER *ioc,
 952                u8 phys_disk_num);
 953extern int       mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
 954extern void      mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
 955extern void     mpt_halt_firmware(MPT_ADAPTER *ioc);
 956
 957
 958/*
 959 *  Public data decl's...
 960 */
 961extern struct list_head   ioc_list;
 962extern int mpt_fwfault_debug;
 963
 964/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 965#endif          /* } __KERNEL__ */
 966
 967#ifdef CONFIG_64BIT
 968#define CAST_U32_TO_PTR(x)      ((void *)(u64)x)
 969#define CAST_PTR_TO_U32(x)      ((u32)(u64)x)
 970#else
 971#define CAST_U32_TO_PTR(x)      ((void *)x)
 972#define CAST_PTR_TO_U32(x)      ((u32)x)
 973#endif
 974
 975#define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
 976        ((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR)   ? 'I' : 'i',    \
 977        ((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET)      ? 'T' : 't',    \
 978        ((pflags) & MPI_PORTFACTS_PROTOCOL_LAN)         ? 'L' : 'l',    \
 979        ((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR)  ? 'B' : 'b'
 980
 981/*
 982 *  Shifted SGE Defines - Use in SGE with FlagsLength member.
 983 *  Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
 984 *  Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
 985 */
 986#define MPT_TRANSFER_IOC_TO_HOST                (0x00000000)
 987#define MPT_TRANSFER_HOST_TO_IOC                (0x04000000)
 988#define MPT_SGE_FLAGS_LAST_ELEMENT              (0x80000000)
 989#define MPT_SGE_FLAGS_END_OF_BUFFER             (0x40000000)
 990#define MPT_SGE_FLAGS_LOCAL_ADDRESS             (0x08000000)
 991#define MPT_SGE_FLAGS_DIRECTION                 (0x04000000)
 992#define MPT_SGE_FLAGS_END_OF_LIST               (0x01000000)
 993
 994#define MPT_SGE_FLAGS_TRANSACTION_ELEMENT       (0x00000000)
 995#define MPT_SGE_FLAGS_SIMPLE_ELEMENT            (0x10000000)
 996#define MPT_SGE_FLAGS_CHAIN_ELEMENT             (0x30000000)
 997#define MPT_SGE_FLAGS_ELEMENT_MASK              (0x30000000)
 998
 999#define MPT_SGE_FLAGS_SSIMPLE_READ \
1000        (MPT_SGE_FLAGS_LAST_ELEMENT |   \

1001         MPT_SGE_FLAGS_END_OF_BUFFER |  \
1002         MPT_SGE_FLAGS_END_OF_LIST |    \
1003         MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1004         MPT_TRANSFER_IOC_TO_HOST)
1005#define MPT_SGE_FLAGS_SSIMPLE_WRITE \
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_HOST_TO_IOC)
1011
1012/*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1013#endif
1014
1015