/*
 *  linux/drivers/message/fusion/mptbase.h
 *      High performance SCSI + LAN / Fibre Channel device drivers.
 *      For use with PCI chip/adapter(s):
 *          LSIFC9xx/LSI409xx Fibre Channel
 *      running LSI Fusion MPT (Message Passing Technology) firmware.
 *
 *  Copyright (c) 1999-2008 LSI Corporation
 *  (mailto:DL-MPTFusionLinux@lsi.com)
 *
 */
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; version 2 of the License.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    NO WARRANTY
    THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
    CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
    LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
    solely responsible for determining the appropriateness of using and
    distributing the Program and assumes all risks associated with its
    exercise of rights under this Agreement, including but not limited to
    the risks and costs of program errors, damage to or loss of data,
    programs or equipment, and unavailability or interruption of operations.

    DISCLAIMER OF LIABILITY
    NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
    TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
    USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
    HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef MPTBASE_H_INCLUDED
#define MPTBASE_H_INCLUDED
/*{-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/mutex.h>

#include "lsi/mpi_type.h"
#include "lsi/mpi.h"            /* Fusion MPI(nterface) basic defs */
#include "lsi/mpi_ioc.h"        /* Fusion MPT IOC(ontroller) defs */
#include "lsi/mpi_cnfg.h"       /* IOC configuration support */
#include "lsi/mpi_init.h"       /* SCSI Host (initiator) protocol support */
#include "lsi/mpi_lan.h"        /* LAN over FC protocol support */
#include "lsi/mpi_raid.h"       /* Integrated Mirroring support */

#include "lsi/mpi_fc.h"         /* Fibre Channel (lowlevel) support */
#include "lsi/mpi_targ.h"       /* SCSI/FCP Target protcol support */
#include "lsi/mpi_tool.h"       /* Tools support */
#include "lsi/mpi_sas.h"        /* SAS support */

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

#ifndef MODULEAUTHOR
#define MODULEAUTHOR    "LSI Corporation"
#endif

#ifndef COPYRIGHT
#define COPYRIGHT       "Copyright (c) 1999-2008 " MODULEAUTHOR
#endif

#define MPT_LINUX_VERSION_COMMON        "3.04.20"
#define MPT_LINUX_PACKAGE_NAME          "@(#)mptlinux-3.04.20"
#define WHAT_MAGIC_STRING               "@" "(" "#" ")"

#define show_mptmod_ver(s,ver)  \
        printk(KERN_INFO "%s %s\n", s, ver);

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *  Fusion MPT(linux) driver configurable stuff...
 */
#define MPT_MAX_ADAPTERS                18
#define MPT_MAX_PROTOCOL_DRIVERS        16
#define MPT_MAX_CALLBACKNAME_LEN        49
#define MPT_MAX_BUS                     1       /* Do not change */
#define MPT_MAX_FC_DEVICES              255
#define MPT_MAX_SCSI_DEVICES            16
#define MPT_LAST_LUN                    255
#define MPT_SENSE_BUFFER_ALLOC          64
        /* allow for 256 max sense alloc, but only 255 max request */
#if MPT_SENSE_BUFFER_ALLOC >= 256
#       undef MPT_SENSE_BUFFER_ALLOC
#       define MPT_SENSE_BUFFER_ALLOC   256
#       define MPT_SENSE_BUFFER_SIZE    255
#else
#       define MPT_SENSE_BUFFER_SIZE    MPT_SENSE_BUFFER_ALLOC
#endif

#define MPT_NAME_LENGTH                 32
#define MPT_KOBJ_NAME_LEN               20

#define MPT_PROCFS_MPTBASEDIR           "mpt"
                                                /* chg it to "driver/fusion" ? */
#define MPT_PROCFS_SUMMARY_ALL_NODE             MPT_PROCFS_MPTBASEDIR "/summary"
#define MPT_PROCFS_SUMMARY_ALL_PATHNAME         "/proc/" MPT_PROCFS_SUMMARY_ALL_NODE
#define MPT_FW_REV_MAGIC_ID_STRING              "FwRev="

#define  MPT_MAX_REQ_DEPTH              1023
#define  MPT_DEFAULT_REQ_DEPTH          256
#define  MPT_MIN_REQ_DEPTH              128

#define  MPT_MAX_REPLY_DEPTH            MPT_MAX_REQ_DEPTH
#define  MPT_DEFAULT_REPLY_DEPTH        128
#define  MPT_MIN_REPLY_DEPTH            8
#define  MPT_MAX_REPLIES_PER_ISR        32

#define  MPT_MAX_FRAME_SIZE             128
#define  MPT_DEFAULT_FRAME_SIZE         128

#define  MPT_REPLY_FRAME_SIZE           0x50  /* Must be a multiple of 8 */

#define  MPT_SG_REQ_128_SCALE           1
#define  MPT_SG_REQ_96_SCALE            2
#define  MPT_SG_REQ_64_SCALE            4

#define  CAN_SLEEP                      1
#define  NO_SLEEP                       0

#define MPT_COALESCING_TIMEOUT          0x10


/*
 * SCSI transfer rate defines.
 */
#define MPT_ULTRA320                    0x08
#define MPT_ULTRA160                    0x09
#define MPT_ULTRA2                      0x0A
#define MPT_ULTRA                       0x0C
#define MPT_FAST                        0x19
#define MPT_SCSI                        0x32
#define MPT_ASYNC                       0xFF

#define MPT_NARROW                      0
#define MPT_WIDE                        1

#define C0_1030                         0x08
#define XL_929                          0x01


/*
 *      Try to keep these at 2^N-1
 */
#define MPT_FC_CAN_QUEUE        1024
#define MPT_SCSI_CAN_QUEUE      127
#define MPT_SAS_CAN_QUEUE       127

/*
 * Set the MAX_SGE value based on user input.
 */
#ifdef CONFIG_FUSION_MAX_SGE
#if CONFIG_FUSION_MAX_SGE  < 16
#define MPT_SCSI_SG_DEPTH       16
#elif CONFIG_FUSION_MAX_SGE  > 128
#define MPT_SCSI_SG_DEPTH       128
#else
#define MPT_SCSI_SG_DEPTH       CONFIG_FUSION_MAX_SGE
#endif
#else
#define MPT_SCSI_SG_DEPTH       40
#endif

#ifdef CONFIG_FUSION_MAX_FC_SGE
#if CONFIG_FUSION_MAX_FC_SGE  < 16
#define MPT_SCSI_FC_SG_DEPTH    16
#elif CONFIG_FUSION_MAX_FC_SGE  > 256
#define MPT_SCSI_FC_SG_DEPTH    256
#else
#define MPT_SCSI_FC_SG_DEPTH    CONFIG_FUSION_MAX_FC_SGE
#endif
#else
#define MPT_SCSI_FC_SG_DEPTH    40
#endif

/* debug print string length used for events and iocstatus */
# define EVENT_DESCR_STR_SZ             100

#define MPT_POLLING_INTERVAL            1000    /* in milliseconds */

#ifdef __KERNEL__       /* { */
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

#include <linux/proc_fs.h>

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 * Attempt semi-consistent error & warning msgs across
 * MPT drivers.  NOTE: Users of these macro defs must
 * themselves define their own MYNAM.
 */
#define MYIOC_s_FMT                     MYNAM ": %s: "
#define MYIOC_s_DEBUG_FMT               KERN_DEBUG MYNAM ": %s: "
#define MYIOC_s_INFO_FMT                KERN_INFO MYNAM ": %s: "
#define MYIOC_s_NOTE_FMT                KERN_NOTICE MYNAM ": %s: "
#define MYIOC_s_WARN_FMT                KERN_WARNING MYNAM ": %s: WARNING - "
#define MYIOC_s_ERR_FMT                 KERN_ERR MYNAM ": %s: ERROR - "

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *  ATTO UL4D associated structures and defines
 */
#define ATTOFLAG_DISC     0x0001
#define ATTOFLAG_TAGGED   0x0002
#define ATTOFLAG_WIDE_ENB 0x0008
#define ATTOFLAG_ID_ENB   0x0010
#define ATTOFLAG_LUN_ENB  0x0060

typedef struct _ATTO_DEVICE_INFO
{
        u8      Offset;                                 /* 00h */
        u8      Period;                                 /* 01h */
        u16     ATTOFlags;                              /* 02h */
} ATTO_DEVICE_INFO, MPI_POINTER PTR_ATTO_DEVICE_INFO,
  ATTODeviceInfo_t, MPI_POINTER pATTODeviceInfo_t;

typedef struct _ATTO_CONFIG_PAGE_SCSI_PORT_2
{
        CONFIG_PAGE_HEADER      Header;                 /* 00h */
        u16                     PortFlags;              /* 04h */
        u16                     Unused1;                /* 06h */
        u32                     Unused2;                /* 08h */
        ATTO_DEVICE_INFO        DeviceSettings[16];     /* 0Ch */
} fATTO_CONFIG_PAGE_SCSI_PORT_2, MPI_POINTER PTR_ATTO_CONFIG_PAGE_SCSI_PORT_2,
  ATTO_SCSIPortPage2_t, MPI_POINTER pATTO_SCSIPortPage2_t;


/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *  MPT protocol driver defs...
 */
typedef enum {
        MPTBASE_DRIVER,         /* MPT base class */
        MPTCTL_DRIVER,          /* MPT ioctl class */
        MPTSPI_DRIVER,          /* MPT SPI host class */
        MPTFC_DRIVER,           /* MPT FC host class */
        MPTSAS_DRIVER,          /* MPT SAS host class */
        MPTLAN_DRIVER,          /* MPT LAN class */
        MPTSTM_DRIVER,          /* MPT SCSI target mode class */
        MPTUNKNOWN_DRIVER
} MPT_DRIVER_CLASS;

struct mpt_pci_driver{
        int  (*probe) (struct pci_dev *dev, const struct pci_device_id *id);
        void (*remove) (struct pci_dev *dev);
};

/*
 *  MPT adapter / port / bus / device info structures...
 */

typedef union _MPT_FRAME_TRACKER {
        struct {
                struct list_head        list;
                u32                      arg1;
                u32                      pad;
                void                    *argp1;
        } linkage;
        /*
         * NOTE: When request frames are free, on the linkage structure
         * contets are valid.  All other values are invalid.
         * In particular, do NOT reply on offset [2]
         * (in words) being the * message context.
         * The message context must be reset (computed via base address
         * + an offset) prior to issuing any command.
         *
         * NOTE2: On non-32-bit systems, where pointers are LARGE,
         * using the linkage pointers destroys our sacred MsgContext
         * field contents.  But we don't care anymore because these
         * are now reset in mpt_put_msg_frame() just prior to sending
         * a request off to the IOC.
         */
        struct {
                u32 __hdr[2];
                /*
                 * The following _MUST_ match the location of the
                 * MsgContext field in the MPT message headers.
                 */
                union {
                        u32              MsgContext;
                        struct {
                                u16      req_idx;       /* Request index */
                                u8       cb_idx;        /* callback function index */
                                u8       rsvd;
                        } fld;
                } msgctxu;
        } hwhdr;
        /*
         * Remark: 32 bit identifier:
         *  31-24: reserved
         *  23-16: call back index
         *  15-0 : request index
         */
} MPT_FRAME_TRACKER;

/*
 *  We might want to view/access a frame as:
 *    1) generic request header
 *    2) SCSIIORequest
 *    3) SCSIIOReply
 *    4) MPIDefaultReply
 *    5) frame tracker
 */
typedef struct _MPT_FRAME_HDR {
        union {
                MPIHeader_t             hdr;
                SCSIIORequest_t         scsireq;
                SCSIIOReply_t           sreply;
                ConfigReply_t           configreply;
                MPIDefaultReply_t       reply;
                MPT_FRAME_TRACKER       frame;
        } u;
} MPT_FRAME_HDR;

#define MPT_REQ_MSGFLAGS_DROPME         0x80

typedef struct _MPT_SGL_HDR {
        SGESimple32_t    sge[1];
} MPT_SGL_HDR;

typedef struct _MPT_SGL64_HDR {
        SGESimple64_t    sge[1];
} MPT_SGL64_HDR;

/*
 *  System interface register set
 */

typedef struct _SYSIF_REGS
{
        u32     Doorbell;       /* 00     System<->IOC Doorbell reg  */
        u32     WriteSequence;  /* 04     Write Sequence register    */
        u32     Diagnostic;     /* 08     Diagnostic register        */
        u32     TestBase;       /* 0C     Test Base Address          */
        u32     DiagRwData;     /* 10     Read Write Data (fw download)   */
        u32     DiagRwAddress;  /* 14     Read Write Address (fw download)*/
        u32     Reserved1[6];   /* 18-2F  reserved for future use    */
        u32     IntStatus;      /* 30     Interrupt Status           */
        u32     IntMask;        /* 34     Interrupt Mask             */
        u32     Reserved2[2];   /* 38-3F  reserved for future use    */
        u32     RequestFifo;    /* 40     Request Post/Free FIFO     */
        u32     ReplyFifo;      /* 44     Reply   Post/Free FIFO     */
        u32     RequestHiPriFifo; /* 48   Hi Priority Request FIFO   */
        u32     Reserved3;      /* 4C-4F  reserved for future use    */
        u32     HostIndex;      /* 50     Host Index register        */
        u32     Reserved4[15];  /* 54-8F                             */
        u32     Fubar;          /* 90     For Fubar usage            */
        u32     Reserved5[1050];/* 94-10F8                           */
        u32     Reset_1078;     /* 10FC   Reset 1078                 */
} SYSIF_REGS;

/*
 * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
 * in conjunction with SYSIF_REGS accesses!
 */


/*
 *      Dynamic Multi-Pathing specific stuff...
 */

/* VirtTarget negoFlags field */
#define MPT_TARGET_NO_NEGO_WIDE         0x01
#define MPT_TARGET_NO_NEGO_SYNC         0x02
#define MPT_TARGET_NO_NEGO_QAS          0x04
#define MPT_TAPE_NEGO_IDP               0x08

/*
 *      VirtDevice - FC LUN device or SCSI target device
 */
typedef struct _VirtTarget {
        struct scsi_target      *starget;
        u8                       tflags;
        u8                       ioc_id;
        u8                       id;
        u8                       channel;
        u8                       minSyncFactor; /* 0xFF is async */
        u8                       maxOffset;     /* 0 if async */
        u8                       maxWidth;      /* 0 if narrow, 1 if wide */
        u8                       negoFlags;     /* bit field, see above */
        u8                       raidVolume;    /* set, if RAID Volume */
        u8                       type;          /* byte 0 of Inquiry data */
        u8                       deleted;       /* target in process of being removed */
        u8                       inDMD;         /* currently in the device
                                                   removal delay timer */
        u32                      num_luns;
} VirtTarget;

typedef struct _VirtDevice {
        VirtTarget              *vtarget;
        u8                       configured_lun;
        u64                      lun;
} VirtDevice;

/*
 *  Fibre Channel (SCSI) target device and associated defines...
 */
#define MPT_TARGET_DEFAULT_DV_STATUS    0x00
#define MPT_TARGET_FLAGS_VALID_NEGO     0x01
#define MPT_TARGET_FLAGS_VALID_INQUIRY  0x02
#define MPT_TARGET_FLAGS_Q_YES          0x08
#define MPT_TARGET_FLAGS_VALID_56       0x10
#define MPT_TARGET_FLAGS_SAF_TE_ISSUED  0x20
#define MPT_TARGET_FLAGS_RAID_COMPONENT 0x40
#define MPT_TARGET_FLAGS_LED_ON         0x80

/*
 *      IOCTL structure and associated defines
 */

#define MPTCTL_RESET_OK                 0x01    /* Issue Bus Reset */

#define MPT_MGMT_STATUS_RF_VALID        0x01    /* The Reply Frame is VALID */
#define MPT_MGMT_STATUS_COMMAND_GOOD    0x02    /* Command Status GOOD */
#define MPT_MGMT_STATUS_PENDING         0x04    /* command is pending */
#define MPT_MGMT_STATUS_DID_IOCRESET    0x08    /* IOC Reset occurred
                                                   on the current*/
#define MPT_MGMT_STATUS_SENSE_VALID     0x10    /* valid sense info */
#define MPT_MGMT_STATUS_TIMER_ACTIVE    0x20    /* obsolete */
#define MPT_MGMT_STATUS_FREE_MF         0x40    /* free the mf from
                                                   complete routine */

#define INITIALIZE_MGMT_STATUS(status) \
        status = MPT_MGMT_STATUS_PENDING;
#define CLEAR_MGMT_STATUS(status) \
        status = 0;
#define CLEAR_MGMT_PENDING_STATUS(status) \
        status &= ~MPT_MGMT_STATUS_PENDING;
#define SET_MGMT_MSG_CONTEXT(msg_context, value) \
        msg_context = value;

typedef struct _MPT_MGMT {
        struct mutex             mutex;
        struct completion        done;
        u8                       reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
        u8                       sense[MPT_SENSE_BUFFER_ALLOC];
        u8                       status;        /* current command status */
        int                      completion_code;
        u32                      msg_context;
} MPT_MGMT;

/*
 *  Event Structure and define
 */
#define MPTCTL_EVENT_LOG_SIZE           (0x000000032)
typedef struct _mpt_ioctl_events {
        u32     event;          /* Specified by define above */
        u32     eventContext;   /* Index or counter */
        u32     data[2];        /* First 8 bytes of Event Data */
} MPT_IOCTL_EVENTS;

/*
 * CONFIGPARM status  defines
 */
#define MPT_CONFIG_GOOD         MPI_IOCSTATUS_SUCCESS
#define MPT_CONFIG_ERROR        0x002F

/*
 *      Substructure to store SCSI specific configuration page data
 */
                                                /* dvStatus defines: */
#define MPT_SCSICFG_USE_NVRAM           0x01    /* WriteSDP1 using NVRAM */
#define MPT_SCSICFG_ALL_IDS             0x02    /* WriteSDP1 to all IDS */
/* #define MPT_SCSICFG_BLK_NEGO         0x10       WriteSDP1 with WDTR and SDTR disabled */

typedef struct _SpiCfgData {
        u32              PortFlags;
        int             *nvram;                 /* table of device NVRAM values */
        IOCPage4_t      *pIocPg4;               /* SEP devices addressing */
        dma_addr_t       IocPg4_dma;            /* Phys Addr of IOCPage4 data */
        int              IocPg4Sz;              /* IOCPage4 size */
        u8               minSyncFactor;         /* 0xFF if async */
        u8               maxSyncOffset;         /* 0 if async */
        u8               maxBusWidth;           /* 0 if narrow, 1 if wide */
        u8               busType;               /* SE, LVD, HD */
        u8               sdp1version;           /* SDP1 version */
        u8               sdp1length;            /* SDP1 length  */
        u8               sdp0version;           /* SDP0 version */
        u8               sdp0length;            /* SDP0 length  */
        u8               dvScheduled;           /* 1 if scheduled */
        u8               noQas;                 /* Disable QAS for this adapter */
        u8               Saf_Te;                /* 1 to force all Processors as
                                                 * SAF-TE if Inquiry data length
                                                 * is too short to check for SAF-TE
                                                 */
        u8               bus_reset;             /* 1 to allow bus reset */
        u8               rsvd[1];
}SpiCfgData;

typedef struct _SasCfgData {
        u8               ptClear;               /* 1 to automatically clear the
                                                 * persistent table.
                                                 * 0 to disable
                                                 * automatic clearing.
                                                 */
}SasCfgData;

/*
 * Inactive volume link list of raid component data
 * @inactive_list
 */
struct inactive_raid_component_info {
        struct   list_head list;
        u8               volumeID;              /* volume target id */
        u8               volumeBus;             /* volume channel */
        IOC_3_PHYS_DISK  d;                     /* phys disk info */
};

typedef struct _RaidCfgData {
        IOCPage2_t      *pIocPg2;               /* table of Raid Volumes */
        IOCPage3_t      *pIocPg3;               /* table of physical disks */
        struct mutex    inactive_list_mutex;
        struct list_head        inactive_list; /* link list for physical
                                                disk that belong in
                                                inactive volumes */
}RaidCfgData;

typedef struct _FcCfgData {
        /* will ultimately hold fc_port_page0 also */
        struct {
                FCPortPage1_t   *data;
                dma_addr_t       dma;
                int              pg_sz;
        }                        fc_port_page1[2];
} FcCfgData;

#define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01    /* rport registered */
#define MPT_RPORT_INFO_FLAGS_MISSING    0x02    /* missing from DevPage0 scan */

/*
 * data allocated for each fc rport device
 */
struct mptfc_rport_info
{
        struct list_head list;
        struct fc_rport *rport;
        struct scsi_target *starget;
        FCDevicePage0_t pg0;
        u8              flags;
};

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

/*
 * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
 * Private to the driver.
 */

#define MPT_HOST_BUS_UNKNOWN            (0xFF)
#define MPT_HOST_TOO_MANY_TM            (0x05)
#define MPT_HOST_NVRAM_INVALID          (0xFFFFFFFF)
#define MPT_HOST_NO_CHAIN               (0xFFFFFFFF)
#define MPT_NVRAM_MASK_TIMEOUT          (0x000000FF)
#define MPT_NVRAM_SYNC_MASK             (0x0000FF00)
#define MPT_NVRAM_SYNC_SHIFT            (8)
#define MPT_NVRAM_DISCONNECT_ENABLE     (0x00010000)
#define MPT_NVRAM_ID_SCAN_ENABLE        (0x00020000)
#define MPT_NVRAM_LUN_SCAN_ENABLE       (0x00040000)
#define MPT_NVRAM_TAG_QUEUE_ENABLE      (0x00080000)
#define MPT_NVRAM_WIDE_DISABLE          (0x00100000)
#define MPT_NVRAM_BOOT_CHOICE           (0x00200000)

typedef enum {
        FC,
        SPI,
        SAS
} BUS_TYPE;

typedef struct _MPT_SCSI_HOST {
        struct _MPT_ADAPTER              *ioc;
        ushort                    sel_timeout[MPT_MAX_FC_DEVICES];
        char                      *info_kbuf;
        long                      last_queue_full;
        u16                       spi_pending;
        struct list_head          target_reset_list;
} MPT_SCSI_HOST;

typedef void (*MPT_ADD_SGE)(void *pAddr, u32 flagslength, dma_addr_t dma_addr);
typedef void (*MPT_ADD_CHAIN)(void *pAddr, u8 next, u16 length,
                dma_addr_t dma_addr);
typedef void (*MPT_SCHEDULE_TARGET_RESET)(void *ioc);
typedef void (*MPT_FLUSH_RUNNING_CMDS)(MPT_SCSI_HOST *hd);

/*
 *  Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
 */
typedef struct _MPT_ADAPTER
{
        int                      id;            /* Unique adapter id N {0,1,2,...} */
        int                      pci_irq;       /* This irq           */
        char                     name[MPT_NAME_LENGTH]; /* "iocN"             */
        const char               *prod_name;    /* "LSIFC9x9"         */
#ifdef CONFIG_FUSION_LOGGING
        /* used in mpt_display_event_info */
        char                     evStr[EVENT_DESCR_STR_SZ];
#endif
        char                     board_name[16];
        char                     board_assembly[16];
        char                     board_tracer[16];
        u16                      nvdata_version_persistent;
        u16                      nvdata_version_default;
        int                      debug_level;
        u8                       io_missing_delay;
        u16                      device_missing_delay;
        SYSIF_REGS __iomem      *chip;          /* == c8817000 (mmap) */
        SYSIF_REGS __iomem      *pio_chip;      /* Programmed IO (downloadboot) */
        u8                       bus_type;
        u32                      mem_phys;      /* == f4020000 (mmap) */
        u32                      pio_mem_phys;  /* Programmed IO (downloadboot) */
        int                      mem_size;      /* mmap memory size */
        int                      number_of_buses;
        int                      devices_per_bus;
        int                      alloc_total;
        u32                      last_state;
        int                      active;
        u8                      *alloc;         /* frames alloc ptr */
        dma_addr_t               alloc_dma;
        u32                      alloc_sz;
        MPT_FRAME_HDR           *reply_frames;  /* Reply msg frames - rounded up! */
        u32                      reply_frames_low_dma;
        int                      reply_depth;   /* Num Allocated reply frames */
        int                      reply_sz;      /* Reply frame size */
        int                      num_chain;     /* Number of chain buffers */
        MPT_ADD_SGE              add_sge;       /* Pointer to add_sge
                                                   function */
        MPT_ADD_CHAIN            add_chain;     /* Pointer to add_chain
                                                   function */
                /* Pool of buffers for chaining. ReqToChain
                 * and ChainToChain track index of chain buffers.
                 * ChainBuffer (DMA) virt/phys addresses.
                 * FreeChainQ (lock) locking mechanisms.
                 */
        int                     *ReqToChain;
        int                     *RequestNB;
        int                     *ChainToChain;
        u8                      *ChainBuffer;
        dma_addr_t               ChainBufferDMA;
        struct list_head         FreeChainQ;
        spinlock_t               FreeChainQlock;
                /* We (host driver) get to manage our own RequestQueue! */
        dma_addr_t               req_frames_dma;
        MPT_FRAME_HDR           *req_frames;    /* Request msg frames - rounded up! */
        u32                      req_frames_low_dma;
        int                      req_depth;     /* Number of request frames */
        int                      req_sz;        /* Request frame size (bytes) */
        spinlock_t               FreeQlock;
        struct list_head         FreeQ;
                /* Pool of SCSI sense buffers for commands coming from
                 * the SCSI mid-layer.  We have one 256 byte sense buffer
                 * for each REQ entry.
                 */
        u8                      *sense_buf_pool;
        dma_addr_t               sense_buf_pool_dma;
        u32                      sense_buf_low_dma;
        u8                      *HostPageBuffer; /* SAS - host page buffer support */
        u32                     HostPageBuffer_sz;
        dma_addr_t              HostPageBuffer_dma;
        struct pci_dev          *pcidev;        /* struct pci_dev pointer */
        int                     bars;           /* bitmask of BAR's that must be configured */
        int                     msi_enable;
        u8                      __iomem *memmap;        /* mmap address */
        struct Scsi_Host        *sh;            /* Scsi Host pointer */
        SpiCfgData              spi_data;       /* Scsi config. data */
        RaidCfgData             raid_data;      /* Raid config. data */
        SasCfgData              sas_data;       /* Sas config. data */
        FcCfgData               fc_data;        /* Fc config. data */
        struct proc_dir_entry   *ioc_dentry;
        struct _MPT_ADAPTER     *alt_ioc;       /* ptr to 929 bound adapter port */
        u32                      biosVersion;   /* BIOS version from IO Unit Page 2 */
        int                      eventTypes;    /* Event logging parameters */
        int                      eventContext;  /* Next event context */
        int                      eventLogSize;  /* Max number of cached events */
        struct _mpt_ioctl_events *events;       /* pointer to event log */
        u8                      *cached_fw;     /* Pointer to FW */
        dma_addr_t              cached_fw_dma;
        int                      hs_reply_idx;
#ifndef MFCNT
        u32                      pad0;
#else
        u32                      mfcnt;
#endif
        u32                      NB_for_64_byte_frame;
        u32                      hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
        u16                      hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
        IOCFactsReply_t          facts;
        PortFactsReply_t         pfacts[2];
        FCPortPage0_t            fc_port_page0[2];
        LANPage0_t               lan_cnfg_page0;
        LANPage1_t               lan_cnfg_page1;

        u8                       ir_firmware; /* =1 if IR firmware detected */
        /*
         * Description: errata_flag_1064
         * If a PCIX read occurs within 1 or 2 cycles after the chip receives
         * a split completion for a read data, an internal address pointer incorrectly
         * increments by 32 bytes
         */
        int                      errata_flag_1064;
        int                      aen_event_read_flag; /* flag to indicate event log was read*/
        u8                       FirstWhoInit;
        u8                       upload_fw;     /* If set, do a fw upload */
        u8                       NBShiftFactor;  /* NB Shift Factor based on Block Size (Facts)  */
        u8                       pad1[4];
        u8                       DoneCtx;
        u8                       TaskCtx;
        u8                       InternalCtx;
        struct list_head         list;
        struct net_device       *netdev;
        struct list_head         sas_topology;
        struct mutex             sas_topology_mutex;

        struct workqueue_struct *fw_event_q;
        struct list_head         fw_event_list;
        spinlock_t               fw_event_lock;
        u8                       fw_events_off; /* if '1', then ignore events */
        char                     fw_event_q_name[MPT_KOBJ_NAME_LEN];

        struct mutex             sas_discovery_mutex;
        u8                       sas_discovery_runtime;
        u8                       sas_discovery_ignore_events;

        /* port_info object for the host */
        struct mptsas_portinfo  *hba_port_info;
        u64                      hba_port_sas_addr;
        u16                      hba_port_num_phy;
        struct list_head         sas_device_info_list;
        struct mutex             sas_device_info_mutex;
        u8                       old_sas_discovery_protocal;
        u8                       sas_discovery_quiesce_io;
        int                      sas_index; /* index refrencing */
        MPT_MGMT                 sas_mgmt;
        MPT_MGMT                 mptbase_cmds; /* for sending config pages */
        MPT_MGMT                 internal_cmds;
        MPT_MGMT                 taskmgmt_cmds;
        MPT_MGMT                 ioctl_cmds;
        spinlock_t               taskmgmt_lock; /* diagnostic reset lock */
        int                      taskmgmt_in_progress;
        u8                       taskmgmt_quiesce_io;
        u8                       ioc_reset_in_progress;
        u8                       reset_status;
        u8                       wait_on_reset_completion;
        MPT_SCHEDULE_TARGET_RESET schedule_target_reset;
        MPT_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
        struct work_struct       sas_persist_task;

        struct work_struct       fc_setup_reset_work;
        struct list_head         fc_rports;
        struct work_struct       fc_lsc_work;
        u8                       fc_link_speed[2];
        spinlock_t               fc_rescan_work_lock;
        struct work_struct       fc_rescan_work;
        char                     fc_rescan_work_q_name[MPT_KOBJ_NAME_LEN];
        struct workqueue_struct *fc_rescan_work_q;

        /* driver forced bus resets count */
        unsigned long             hard_resets;
        /* fw/external bus resets count */
        unsigned long             soft_resets;
        /* cmd timeouts */
        unsigned long             timeouts;

        struct scsi_cmnd        **ScsiLookup;
        spinlock_t                scsi_lookup_lock;
        u64                     dma_mask;
        u32                       broadcast_aen_busy;
        char                     reset_work_q_name[MPT_KOBJ_NAME_LEN];
        struct workqueue_struct *reset_work_q;
        struct delayed_work      fault_reset_work;

        u8                      sg_addr_size;
        u8                      in_rescan;
        u8                      SGE_size;

} MPT_ADAPTER;

/*
 *  New return value convention:
 *    1 = Ok to free associated request frame
 *    0 = not Ok ...
 */
typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
/* reset_phase defs */
#define MPT_IOC_PRE_RESET               0
#define MPT_IOC_POST_RESET              1
#define MPT_IOC_SETUP_RESET             2

/*
 * Invent MPT host event (super-set of MPI Events)
 * Fitted to 1030's 64-byte [max] request frame size
 */
typedef struct _MPT_HOST_EVENT {
        EventNotificationReply_t         MpiEvent;      /* 8 32-bit words! */
        u32                              pad[6];
        void                            *next;
} MPT_HOST_EVENT;

#define MPT_HOSTEVENT_IOC_BRINGUP       0x91
#define MPT_HOSTEVENT_IOC_RECOVER       0x92

/* Define the generic types based on the size
 * of the dma_addr_t type.
 */
typedef struct _mpt_sge {
        u32             FlagsLength;
        dma_addr_t      Address;
} MptSge_t;


#define mpt_msg_flags(ioc) \
        (ioc->sg_addr_size == sizeof(u64)) ?            \
        MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 :             \
        MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32

#define MPT_SGE_FLAGS_64_BIT_ADDRESSING \
        (MPI_SGE_FLAGS_64_BIT_ADDRESSING << MPI_SGE_FLAGS_SHIFT)

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *  Funky (private) macros...
 */
#include "mptdebug.h"

#define MPT_INDEX_2_MFPTR(ioc,idx) \
        (MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )

#define MFPTR_2_MPT_INDEX(ioc,mf) \
        (int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )

#define MPT_INDEX_2_RFPTR(ioc,idx) \
        (MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

#define SCSI_STD_SENSE_BYTES    18
#define SCSI_STD_INQUIRY_BYTES  36
#define SCSI_MAX_INQUIRY_BYTES  96

/*
 * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
 * Private to the driver.
 */
/* LOCAL structure and fields used when processing
 * internally generated commands. These include:
 * bus scan, dv and config requests.
 */
typedef struct _MPT_LOCAL_REPLY {
        ConfigPageHeader_t header;
        int     completion;
        u8      sense[SCSI_STD_SENSE_BYTES];
        u8      scsiStatus;
        u8      skip;
        u32     pad;
} MPT_LOCAL_REPLY;


/* The TM_STATE variable is used to provide strict single threading of TM
 * requests as well as communicate TM error conditions.
 */
#define TM_STATE_NONE          (0)
#define TM_STATE_IN_PROGRESS   (1)
#define TM_STATE_ERROR         (2)

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *      More Dynamic Multi-Pathing stuff...
 */

/* Forward decl, a strange C thing, to prevent gcc compiler warnings */
struct scsi_cmnd;

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 * Generic structure passed to the base mpt_config function.
 */
typedef struct _x_config_parms {
        union {
                ConfigExtendedPageHeader_t      *ehdr;
                ConfigPageHeader_t      *hdr;
        } cfghdr;
        dma_addr_t               physAddr;
        u32                      pageAddr;      /* properly formatted */
        u16                      status;
        u8                       action;
        u8                       dir;
        u8                       timeout;       /* seconds */
} CONFIGPARMS;

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *  Public entry points...
 */
extern int       mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
extern void      mpt_detach(struct pci_dev *pdev);
#ifdef CONFIG_PM
extern int       mpt_suspend(struct pci_dev *pdev, pm_message_t state);
extern int       mpt_resume(struct pci_dev *pdev);
#endif
extern u8        mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass,
                char *func_name);
extern void      mpt_deregister(u8 cb_idx);
extern int       mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc);
extern void      mpt_event_deregister(u8 cb_idx);
extern int       mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func);
extern void      mpt_reset_deregister(u8 cb_idx);
extern int       mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx);
extern void      mpt_device_driver_deregister(u8 cb_idx);
extern MPT_FRAME_HDR    *mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc);
extern void      mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
extern void      mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
extern void      mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);

extern int       mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
extern int       mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
extern u32       mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
extern void      mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
extern int       mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
extern int       mpt_Soft_Hard_ResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
extern int       mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
extern int       mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
extern void      mpt_free_fw_memory(MPT_ADAPTER *ioc);
extern int       mpt_findImVolumes(MPT_ADAPTER *ioc);
extern int       mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
extern int       mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk);
extern int      mpt_raid_phys_disk_pg1(MPT_ADAPTER *ioc, u8 phys_disk_num,
                pRaidPhysDiskPage1_t phys_disk);
extern int      mpt_raid_phys_disk_get_num_paths(MPT_ADAPTER *ioc,
                u8 phys_disk_num);
extern int       mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
extern void      mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc);
extern void     mpt_halt_firmware(MPT_ADAPTER *ioc);


/*
 *  Public data decl's...
 */
extern struct list_head   ioc_list;
extern int mpt_fwfault_debug;

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
#endif          /* } __KERNEL__ */

#ifdef CONFIG_64BIT
#define CAST_U32_TO_PTR(x)      ((void *)(u64)x)
#define CAST_PTR_TO_U32(x)      ((u32)(u64)x)
#else
#define CAST_U32_TO_PTR(x)      ((void *)x)
#define CAST_PTR_TO_U32(x)      ((u32)x)
#endif

#define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
        ((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR)   ? 'I' : 'i',    \
        ((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET)      ? 'T' : 't',    \
        ((pflags) & MPI_PORTFACTS_PROTOCOL_LAN)         ? 'L' : 'l',    \
        ((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR)  ? 'B' : 'b'

/*
 *  Shifted SGE Defines - Use in SGE with FlagsLength member.
 *  Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
 *  Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
 */
#define MPT_TRANSFER_IOC_TO_HOST                (0x00000000)
#define MPT_TRANSFER_HOST_TO_IOC                (0x04000000)
#define MPT_SGE_FLAGS_LAST_ELEMENT              (0x80000000)
#define MPT_SGE_FLAGS_END_OF_BUFFER             (0x40000000)
#define MPT_SGE_FLAGS_LOCAL_ADDRESS             (0x08000000)
#define MPT_SGE_FLAGS_DIRECTION                 (0x04000000)
#define MPT_SGE_FLAGS_END_OF_LIST               (0x01000000)

#define MPT_SGE_FLAGS_TRANSACTION_ELEMENT       (0x00000000)
#define MPT_SGE_FLAGS_SIMPLE_ELEMENT            (0x10000000)
#define MPT_SGE_FLAGS_CHAIN_ELEMENT             (0x30000000)
#define MPT_SGE_FLAGS_ELEMENT_MASK              (0x30000000)

#define MPT_SGE_FLAGS_SSIMPLE_READ \
        (MPT_SGE_FLAGS_LAST_ELEMENT |   \
         MPT_SGE_FLAGS_END_OF_BUFFER |  \
         MPT_SGE_FLAGS_END_OF_LIST |    \
         MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
         MPT_TRANSFER_IOC_TO_HOST)
#define MPT_SGE_FLAGS_SSIMPLE_WRITE \
        (MPT_SGE_FLAGS_LAST_ELEMENT |   \
         MPT_SGE_FLAGS_END_OF_BUFFER |  \

         MPT_SGE_FLAGS_END_OF_LIST |    \
         MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
         MPT_TRANSFER_HOST_TO_IOC)

/*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
#endif