ips.h

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} IPS_CONF, *PIPS_CONF;

typedef struct {
   u32        signature;
   u8         reserved;
   u8         adapter_slot;
   u16        adapter_type;
   u8         bios_high[4];
   u8         bios_low[4];
   u16        reserved2;
   u8         reserved3;
   u8         operating_system;
   u8         driver_high[4];
   u8         driver_low[4];
   u8         reserved4[100];
} IPS_NVRAM_P5, *PIPS_NVRAM_P5;

typedef struct _IPS_SUBSYS {
   u32        param[128];
} IPS_SUBSYS, *PIPS_SUBSYS;

/*
 * Inquiry Data Format
 */
typedef struct {
   u8        DeviceType:5;
   u8        DeviceTypeQualifier:3;
   u8        DeviceTypeModifier:7;
   u8        RemoveableMedia:1;
   u8        Versions;
   u8        ResponseDataFormat;
   u8        AdditionalLength;
   u16       Reserved;
   u8        SoftReset:1;
   u8        CommandQueue:1;
   u8        Reserved2:1;
   u8        LinkedCommands:1;
   u8        Synchronous:1;
   u8        Wide16Bit:1;
   u8        Wide32Bit:1;
   u8        RelativeAddressing:1;
   u8        VendorId[8];
   u8        ProductId[16];
   u8        ProductRevisionLevel[4];
   u8        VendorSpecific[20];
   u8        Reserved3[40];
} IPS_INQ_DATA, *PIPS_INQ_DATA;

/*
 * Read Capacity Data Format
 */
typedef struct {
   u32       lba;
   u32       len;
} IPS_CAPACITY;

/*
 * Sense Data Format
 */
typedef struct {
   u8        pg_pc:6;       /* Page Code                    */
   u8        pg_res1:2;     /* Reserved                     */
   u8        pg_len;        /* Page Length                  */
   u16       pg_trk_z;      /* Tracks per zone              */
   u16       pg_asec_z;     /* Alternate sectors per zone   */
   u16       pg_atrk_z;     /* Alternate tracks per zone    */
   u16       pg_atrk_v;     /* Alternate tracks per volume  */
   u16       pg_sec_t;      /* Sectors per track            */
   u16       pg_bytes_s;    /* Bytes per physical sectors   */
   u16       pg_intl;       /* Interleave                   */
   u16       pg_trkskew;    /* Track skew factor            */
   u16       pg_cylskew;    /* Cylinder Skew Factor         */
   u32       pg_res2:27;    /* Reserved                     */
   u32       pg_ins:1;      /* Inhibit Slave                */
   u32       pg_surf:1;     /* Allocate Surface Sectors     */
   u32       pg_rmb:1;      /* Removeable                   */
   u32       pg_hsec:1;     /* Hard sector formatting       */
   u32       pg_ssec:1;     /* Soft sector formatting       */
} IPS_DADF;

typedef struct {
   u8        pg_pc:6;        /* Page Code                     */
   u8        pg_res1:2;      /* Reserved                      */
   u8        pg_len;         /* Page Length                   */
   u16       pg_cylu;        /* Number of cylinders (upper)   */
   u8        pg_cyll;        /* Number of cylinders (lower)   */
   u8        pg_head;        /* Number of heads               */
   u16       pg_wrpcompu;    /* Write precomp (upper)         */
   u32       pg_wrpcompl:8;  /* Write precomp (lower)         */
   u32       pg_redwrcur:24; /* Reduced write current         */
   u32       pg_drstep:16;   /* Drive step rate               */
   u32       pg_landu:16;    /* Landing zone cylinder (upper) */
   u32       pg_landl:8;     /* Landing zone cylinder (lower) */
   u32       pg_res2:24;     /* Reserved                      */
} IPS_RDDG;

struct ips_blk_desc {
   u8       bd_dencode;
   u8       bd_nblks1;
   u8       bd_nblks2;
   u8       bd_nblks3;
   u8       bd_res;
   u8       bd_blen1;
   u8       bd_blen2;
   u8       bd_blen3;
};

typedef struct {
   u8       plh_len;   /* Data length             */
   u8       plh_type;  /* Medium type             */
   u8       plh_res:7; /* Reserved                */
   u8       plh_wp:1;  /* Write protect           */
   u8       plh_bdl;   /* Block descriptor length */
} ips_sense_plh_t;

typedef struct {
   ips_sense_plh_t     plh;
   struct ips_blk_desc blk_desc;

   union {
      IPS_DADF      pg3;
      IPS_RDDG      pg4;
   } pdata;
} ips_mdata_t;

/*
 * Scatter Gather list format
 */
typedef struct ips_sglist {
   u32       address;
   u32       length;
} IPS_SG_LIST, *PIPS_SG_LIST;

typedef struct _IPS_INFOSTR {
   char *buffer;
   int   length;
   int   offset;
   int   pos;
   int   localpos;
} IPS_INFOSTR;

typedef struct {
   char *option_name;
   int  *option_flag;
   int   option_value;
} IPS_OPTION;

/*
 * Status Info
 */
typedef struct ips_stat {
   u32       residue_len;
   u32       scb_addr;
} ips_stat_t;

/*
 * SCB Queue Format
 */
typedef struct ips_scb_queue {
   struct ips_scb *head;
   struct ips_scb *tail;
   u32             count;
   u32             cpu_flags;
   spinlock_t      lock;
} ips_scb_queue_t;

/*
 * Wait queue_format
 */
typedef struct ips_wait_queue {
   Scsi_Cmnd      *head;
   Scsi_Cmnd      *tail;
   u32             count;
   u32             cpu_flags;
   spinlock_t      lock;
} ips_wait_queue_t;

typedef struct ips_copp_wait_item {
   Scsi_Cmnd                 *scsi_cmd;
   struct semaphore          *sem;
   struct ips_copp_wait_item *next;
} ips_copp_wait_item_t;

typedef struct ips_copp_queue {
   struct ips_copp_wait_item *head;
   struct ips_copp_wait_item *tail;
   u32                        count;
   u32                        cpu_flags;
   spinlock_t                 lock;
} ips_copp_queue_t;

/* forward decl for host structure */
struct ips_ha;

typedef struct {
   int  (*reset)(struct ips_ha *);
   int  (*issue)(struct ips_ha *, struct ips_scb *);
   int  (*isinit)(struct ips_ha *);
   int  (*isintr)(struct ips_ha *);
   int  (*init)(struct ips_ha *);
   int  (*erasebios)(struct ips_ha *);
   int  (*programbios)(struct ips_ha *, char *, int);
   int  (*verifybios)(struct ips_ha *, char *, int);
   u32  (*statupd)(struct ips_ha *);
   void (*statinit)(struct ips_ha *);
   void (*intr)(struct ips_ha *);
   void (*enableint)(struct ips_ha *);
} ips_hw_func_t;

typedef struct ips_ha {
   u8                 ha_id[IPS_MAX_CHANNELS+1];
   u32                dcdb_active[IPS_MAX_CHANNELS];
   u32                io_addr;            /* Base I/O address           */
   u8                 irq;                /* IRQ for adapter            */
   u8                 ntargets;           /* Number of targets          */
   u8                 nbus;               /* Number of buses            */
   u8                 nlun;               /* Number of Luns             */
   u16                ad_type;            /* Adapter type               */
   u16                host_num;           /* Adapter number             */
   u32                max_xfer;           /* Maximum Xfer size          */
   u32                max_cmds;           /* Max concurrent commands    */
   u32                num_ioctl;          /* Number of Ioctls           */
   ips_stat_t         sp;                 /* Status packer pointer      */
   struct ips_scb    *scbs;               /* Array of all CCBS          */
   struct ips_scb    *scb_freelist;       /* SCB free list              */
   ips_wait_queue_t   scb_waitlist;       /* Pending SCB list           */
   ips_copp_queue_t   copp_waitlist;      /* Pending PT list            */
   ips_scb_queue_t    scb_activelist;     /* Active SCB list            */
   IPS_IO_CMD        *dummy;              /* dummy command              */
   IPS_ADAPTER       *adapt;              /* Adapter status area        */
   IPS_ENQ           *enq;                /* Adapter Enquiry data       */
   IPS_CONF          *conf;               /* Adapter config data        */
   IPS_NVRAM_P5      *nvram;              /* NVRAM page 5 data          */
   IPS_SUBSYS        *subsys;             /* Subsystem parameters       */
   char              *ioctl_data;         /* IOCTL data area            */
   u32                ioctl_datasize;     /* IOCTL data size            */
   u32                cmd_in_progress;    /* Current command in progress*/
   long               flags;              /* HA flags                   */
   u8                 waitflag;           /* are we waiting for cmd     */
   u8                 active;
   u16                reset_count;        /* number of resets           */
   u32                last_ffdc;          /* last time we sent ffdc info*/
   u8                 revision_id;        /* Revision level             */
   u16                device_id;          /* PCI device ID              */
   u8                 reserved;
   u32                mem_addr;           /* Memory mapped address      */
   u32                io_len;             /* Size of IO Address         */
   u32                mem_len;            /* Size of memory address     */
   char              *mem_ptr;            /* Memory mapped Ptr          */
   char              *ioremap_ptr;        /* ioremapped memory pointer  */
   ips_hw_func_t      func;               /* hw function pointers       */
   struct pci_dev    *pcidev;             /* PCI device handle          */
   spinlock_t         scb_lock;
   spinlock_t         copp_lock;
   spinlock_t         ips_lock;
} ips_ha_t;

typedef void (*ips_scb_callback) (ips_ha_t *, struct ips_scb *);

/*
 * SCB Format
 */
typedef struct ips_scb {
   IPS_HOST_COMMAND  cmd;
   IPS_DCDB_TABLE    dcdb;
   u8                target_id;
   u8                bus;
   u8                lun;
   u8                cdb[12];
   u32               scb_busaddr;
   u32               data_busaddr;
   u32               timeout;
   u8                basic_status;
   u8                extended_status;
   u16               breakup;
   u32               data_len;
   u32               sg_len;
   u32               flags;
   u32               op_code;
   IPS_SG_LIST      *sg_list;
   Scsi_Cmnd        *scsi_cmd;
   struct ips_scb   *q_next;
   ips_scb_callback  callback;
   struct semaphore *sem;
} ips_scb_t;

typedef struct ips_scb_pt {
   IPS_HOST_COMMAND  cmd;
   IPS_DCDB_TABLE    dcdb;
   u8                target_id;
   u8                bus;
   u8                lun;
   u8                cdb[12];
   u32               scb_busaddr;
   u32               data_busaddr;
   u32               timeout;
   u8                basic_status;
   u8                extended_status;
   u16               breakup;
   u32               data_len;
   u32               sg_len;
   u32               flags;
   u32               op_code;
   IPS_SG_LIST      *sg_list;
   Scsi_Cmnd        *scsi_cmd;
   struct ips_scb   *q_next;
   ips_scb_callback  callback;
} ips_scb_pt_t;

/*
 * Passthru Command Format
 */
typedef struct {
   u8            CoppID[4];
   u32           CoppCmd;
   u32           PtBuffer;
   u8           *CmdBuffer;
   u32           CmdBSize;
   ips_scb_pt_t  CoppCP;
   u32           TimeOut;
   u8            BasicStatus;
   u8            ExtendedStatus;
   u16           reserved;
} ips_passthru_t;

#endif

/*
 * Overrides for Emacs so that we almost follow Linus's tabbing style.
 * Emacs will notice this stuff at the end of the file and automatically
 * adjust the settings for this buffer only.  This must remain at the end
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