linux/drivers/scsi/gdth.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _GDTH_H
   3#define _GDTH_H
   4
   5/*
   6 * Header file for the GDT Disk Array/Storage RAID controllers driver for Linux
   7 * 
   8 * gdth.h Copyright (C) 1995-06 ICP vortex, Achim Leubner
   9 * See gdth.c for further informations and 
  10 * below for supported controller types
  11 *
  12 * <achim_leubner@adaptec.com>
  13 *
  14 * $Id: gdth.h,v 1.58 2006/01/11 16:14:09 achim Exp $
  15 */
  16
  17#include <linux/types.h>
  18
  19#ifndef TRUE
  20#define TRUE 1
  21#endif
  22#ifndef FALSE
  23#define FALSE 0
  24#endif
  25
  26/* defines, macros */
  27
  28/* driver version */
  29#define GDTH_VERSION_STR        "3.05"
  30#define GDTH_VERSION            3
  31#define GDTH_SUBVERSION         5
  32
  33/* protocol version */
  34#define PROTOCOL_VERSION        1
  35
  36/* OEM IDs */
  37#define OEM_ID_ICP      0x941c
  38#define OEM_ID_INTEL    0x8000
  39
  40/* controller classes */
  41#define GDT_PCI         0x03                    /* PCI controller */
  42#define GDT_PCINEW      0x04                    /* new PCI controller */
  43#define GDT_PCIMPR      0x05                    /* PCI MPR controller */
  44
  45#ifndef PCI_DEVICE_ID_VORTEX_GDT60x0
  46/* GDT_PCI */
  47#define PCI_DEVICE_ID_VORTEX_GDT60x0    0       /* GDT6000/6020/6050 */
  48#define PCI_DEVICE_ID_VORTEX_GDT6000B   1       /* GDT6000B/6010 */
  49/* GDT_PCINEW */
  50#define PCI_DEVICE_ID_VORTEX_GDT6x10    2       /* GDT6110/6510 */
  51#define PCI_DEVICE_ID_VORTEX_GDT6x20    3       /* GDT6120/6520 */
  52#define PCI_DEVICE_ID_VORTEX_GDT6530    4       /* GDT6530 */
  53#define PCI_DEVICE_ID_VORTEX_GDT6550    5       /* GDT6550 */
  54/* GDT_PCINEW, wide/ultra SCSI controllers */
  55#define PCI_DEVICE_ID_VORTEX_GDT6x17    6       /* GDT6117/6517 */
  56#define PCI_DEVICE_ID_VORTEX_GDT6x27    7       /* GDT6127/6527 */
  57#define PCI_DEVICE_ID_VORTEX_GDT6537    8       /* GDT6537 */
  58#define PCI_DEVICE_ID_VORTEX_GDT6557    9       /* GDT6557/6557-ECC */
  59/* GDT_PCINEW, wide SCSI controllers */
  60#define PCI_DEVICE_ID_VORTEX_GDT6x15    10      /* GDT6115/6515 */
  61#define PCI_DEVICE_ID_VORTEX_GDT6x25    11      /* GDT6125/6525 */
  62#define PCI_DEVICE_ID_VORTEX_GDT6535    12      /* GDT6535 */
  63#define PCI_DEVICE_ID_VORTEX_GDT6555    13      /* GDT6555/6555-ECC */
  64#endif
  65
  66#ifndef PCI_DEVICE_ID_VORTEX_GDT6x17RP
  67/* GDT_MPR, RP series, wide/ultra SCSI */
  68#define PCI_DEVICE_ID_VORTEX_GDT6x17RP  0x100   /* GDT6117RP/GDT6517RP */
  69#define PCI_DEVICE_ID_VORTEX_GDT6x27RP  0x101   /* GDT6127RP/GDT6527RP */
  70#define PCI_DEVICE_ID_VORTEX_GDT6537RP  0x102   /* GDT6537RP */
  71#define PCI_DEVICE_ID_VORTEX_GDT6557RP  0x103   /* GDT6557RP */
  72/* GDT_MPR, RP series, narrow/ultra SCSI */
  73#define PCI_DEVICE_ID_VORTEX_GDT6x11RP  0x104   /* GDT6111RP/GDT6511RP */
  74#define PCI_DEVICE_ID_VORTEX_GDT6x21RP  0x105   /* GDT6121RP/GDT6521RP */
  75#endif
  76#ifndef PCI_DEVICE_ID_VORTEX_GDT6x17RD
  77/* GDT_MPR, RD series, wide/ultra SCSI */
  78#define PCI_DEVICE_ID_VORTEX_GDT6x17RD  0x110   /* GDT6117RD/GDT6517RD */
  79#define PCI_DEVICE_ID_VORTEX_GDT6x27RD  0x111   /* GDT6127RD/GDT6527RD */
  80#define PCI_DEVICE_ID_VORTEX_GDT6537RD  0x112   /* GDT6537RD */
  81#define PCI_DEVICE_ID_VORTEX_GDT6557RD  0x113   /* GDT6557RD */
  82/* GDT_MPR, RD series, narrow/ultra SCSI */
  83#define PCI_DEVICE_ID_VORTEX_GDT6x11RD  0x114   /* GDT6111RD/GDT6511RD */
  84#define PCI_DEVICE_ID_VORTEX_GDT6x21RD  0x115   /* GDT6121RD/GDT6521RD */
  85/* GDT_MPR, RD series, wide/ultra2 SCSI */
  86#define PCI_DEVICE_ID_VORTEX_GDT6x18RD  0x118   /* GDT6118RD/GDT6518RD/
  87                                                   GDT6618RD */
  88#define PCI_DEVICE_ID_VORTEX_GDT6x28RD  0x119   /* GDT6128RD/GDT6528RD/
  89                                                   GDT6628RD */
  90#define PCI_DEVICE_ID_VORTEX_GDT6x38RD  0x11A   /* GDT6538RD/GDT6638RD */
  91#define PCI_DEVICE_ID_VORTEX_GDT6x58RD  0x11B   /* GDT6558RD/GDT6658RD */
  92/* GDT_MPR, RN series (64-bit PCI), wide/ultra2 SCSI */
  93#define PCI_DEVICE_ID_VORTEX_GDT7x18RN  0x168   /* GDT7118RN/GDT7518RN/
  94                                                   GDT7618RN */
  95#define PCI_DEVICE_ID_VORTEX_GDT7x28RN  0x169   /* GDT7128RN/GDT7528RN/
  96                                                   GDT7628RN */
  97#define PCI_DEVICE_ID_VORTEX_GDT7x38RN  0x16A   /* GDT7538RN/GDT7638RN */
  98#define PCI_DEVICE_ID_VORTEX_GDT7x58RN  0x16B   /* GDT7558RN/GDT7658RN */
  99#endif
 100
 101#ifndef PCI_DEVICE_ID_VORTEX_GDT6x19RD
 102/* GDT_MPR, RD series, Fibre Channel */
 103#define PCI_DEVICE_ID_VORTEX_GDT6x19RD  0x210   /* GDT6519RD/GDT6619RD */
 104#define PCI_DEVICE_ID_VORTEX_GDT6x29RD  0x211   /* GDT6529RD/GDT6629RD */
 105/* GDT_MPR, RN series (64-bit PCI), Fibre Channel */
 106#define PCI_DEVICE_ID_VORTEX_GDT7x19RN  0x260   /* GDT7519RN/GDT7619RN */
 107#define PCI_DEVICE_ID_VORTEX_GDT7x29RN  0x261   /* GDT7529RN/GDT7629RN */
 108#endif
 109
 110#ifndef PCI_DEVICE_ID_VORTEX_GDTMAXRP
 111/* GDT_MPR, last device ID */
 112#define PCI_DEVICE_ID_VORTEX_GDTMAXRP   0x2ff   
 113#endif
 114
 115#ifndef PCI_DEVICE_ID_VORTEX_GDTNEWRX
 116/* new GDT Rx Controller */
 117#define PCI_DEVICE_ID_VORTEX_GDTNEWRX   0x300
 118#endif
 119
 120#ifndef PCI_DEVICE_ID_VORTEX_GDTNEWRX2
 121/* new(2) GDT Rx Controller */
 122#define PCI_DEVICE_ID_VORTEX_GDTNEWRX2  0x301
 123#endif        
 124
 125#ifndef PCI_DEVICE_ID_INTEL_SRC
 126/* Intel Storage RAID Controller */
 127#define PCI_DEVICE_ID_INTEL_SRC         0x600
 128#endif
 129
 130#ifndef PCI_DEVICE_ID_INTEL_SRC_XSCALE
 131/* Intel Storage RAID Controller */
 132#define PCI_DEVICE_ID_INTEL_SRC_XSCALE  0x601
 133#endif
 134
 135/* limits */
 136#define GDTH_SCRATCH    PAGE_SIZE               /* 4KB scratch buffer */
 137#define GDTH_MAXCMDS    120
 138#define GDTH_MAXC_P_L   16                      /* max. cmds per lun */
 139#define GDTH_MAX_RAW    2                       /* max. cmds per raw device */
 140#define MAXOFFSETS      128
 141#define MAXHA           16
 142#define MAXID           127
 143#define MAXLUN          8
 144#define MAXBUS          6
 145#define MAX_EVENTS      100                     /* event buffer count */
 146#define MAX_RES_ARGS    40                      /* device reservation, 
 147                                                   must be a multiple of 4 */
 148#define MAXCYLS         1024
 149#define HEADS           64
 150#define SECS            32                      /* mapping 64*32 */
 151#define MEDHEADS        127
 152#define MEDSECS         63                      /* mapping 127*63 */
 153#define BIGHEADS        255
 154#define BIGSECS         63                      /* mapping 255*63 */
 155
 156/* special command ptr. */
 157#define UNUSED_CMND     ((struct scsi_cmnd *)-1)
 158#define INTERNAL_CMND   ((struct scsi_cmnd *)-2)
 159#define SCREEN_CMND     ((struct scsi_cmnd *)-3)
 160#define SPECIAL_SCP(p)  (p==UNUSED_CMND || p==INTERNAL_CMND || p==SCREEN_CMND)
 161
 162/* controller services */
 163#define SCSIRAWSERVICE  3
 164#define CACHESERVICE    9
 165#define SCREENSERVICE   11
 166
 167/* screenservice defines */
 168#define MSG_INV_HANDLE  -1                      /* special message handle */
 169#define MSGLEN          16                      /* size of message text */
 170#define MSG_SIZE        34                      /* size of message structure */
 171#define MSG_REQUEST     0                       /* async. event: message */
 172
 173/* DPMEM constants */
 174#define DPMEM_MAGIC     0xC0FFEE11
 175#define IC_HEADER_BYTES 48
 176#define IC_QUEUE_BYTES  4
 177#define DPMEM_COMMAND_OFFSET    IC_HEADER_BYTES+IC_QUEUE_BYTES*MAXOFFSETS
 178
 179/* cluster_type constants */
 180#define CLUSTER_DRIVE         1
 181#define CLUSTER_MOUNTED       2
 182#define CLUSTER_RESERVED      4
 183#define CLUSTER_RESERVE_STATE (CLUSTER_DRIVE|CLUSTER_MOUNTED|CLUSTER_RESERVED)
 184
 185/* commands for all services, cache service */
 186#define GDT_INIT        0                       /* service initialization */
 187#define GDT_READ        1                       /* read command */
 188#define GDT_WRITE       2                       /* write command */
 189#define GDT_INFO        3                       /* information about devices */
 190#define GDT_FLUSH       4                       /* flush dirty cache buffers */
 191#define GDT_IOCTL       5                       /* ioctl command */
 192#define GDT_DEVTYPE     9                       /* additional information */
 193#define GDT_MOUNT       10                      /* mount cache device */
 194#define GDT_UNMOUNT     11                      /* unmount cache device */
 195#define GDT_SET_FEAT    12                      /* set feat. (scatter/gather) */
 196#define GDT_GET_FEAT    13                      /* get features */
 197#define GDT_WRITE_THR   16                      /* write through */
 198#define GDT_READ_THR    17                      /* read through */
 199#define GDT_EXT_INFO    18                      /* extended info */
 200#define GDT_RESET       19                      /* controller reset */
 201#define GDT_RESERVE_DRV 20                      /* reserve host drive */
 202#define GDT_RELEASE_DRV 21                      /* release host drive */
 203#define GDT_CLUST_INFO  22                      /* cluster info */
 204#define GDT_RW_ATTRIBS  23                      /* R/W attribs (write thru,..)*/
 205#define GDT_CLUST_RESET 24                      /* releases the cluster drives*/
 206#define GDT_FREEZE_IO   25                      /* freezes all IOs */
 207#define GDT_UNFREEZE_IO 26                      /* unfreezes all IOs */
 208#define GDT_X_INIT_HOST 29                      /* ext. init: 64 bit support */
 209#define GDT_X_INFO      30                      /* ext. info for drives>2TB */
 210
 211/* raw service commands */
 212#define GDT_RESERVE     14                      /* reserve dev. to raw serv. */
 213#define GDT_RELEASE     15                      /* release device */
 214#define GDT_RESERVE_ALL 16                      /* reserve all devices */
 215#define GDT_RELEASE_ALL 17                      /* release all devices */
 216#define GDT_RESET_BUS   18                      /* reset bus */
 217#define GDT_SCAN_START  19                      /* start device scan */
 218#define GDT_SCAN_END    20                      /* stop device scan */  
 219#define GDT_X_INIT_RAW  21                      /* ext. init: 64 bit support */
 220
 221/* screen service commands */
 222#define GDT_REALTIME    3                       /* realtime clock to screens. */
 223#define GDT_X_INIT_SCR  4                       /* ext. init: 64 bit support */
 224
 225/* IOCTL command defines */
 226#define SCSI_DR_INFO    0x00                    /* SCSI drive info */                   
 227#define SCSI_CHAN_CNT   0x05                    /* SCSI channel count */   
 228#define SCSI_DR_LIST    0x06                    /* SCSI drive list */
 229#define SCSI_DEF_CNT    0x15                    /* grown/primary defects */
 230#define DSK_STATISTICS  0x4b                    /* SCSI disk statistics */
 231#define IOCHAN_DESC     0x5d                    /* description of IO channel */
 232#define IOCHAN_RAW_DESC 0x5e                    /* description of raw IO chn. */
 233#define L_CTRL_PATTERN  0x20000000L             /* SCSI IOCTL mask */
 234#define ARRAY_INFO      0x12                    /* array drive info */
 235#define ARRAY_DRV_LIST  0x0f                    /* array drive list */
 236#define ARRAY_DRV_LIST2 0x34                    /* array drive list (new) */
 237#define LA_CTRL_PATTERN 0x10000000L             /* array IOCTL mask */
 238#define CACHE_DRV_CNT   0x01                    /* cache drive count */
 239#define CACHE_DRV_LIST  0x02                    /* cache drive list */
 240#define CACHE_INFO      0x04                    /* cache info */
 241#define CACHE_CONFIG    0x05                    /* cache configuration */
 242#define CACHE_DRV_INFO  0x07                    /* cache drive info */
 243#define BOARD_FEATURES  0x15                    /* controller features */
 244#define BOARD_INFO      0x28                    /* controller info */
 245#define SET_PERF_MODES  0x82                    /* set mode (coalescing,..) */
 246#define GET_PERF_MODES  0x83                    /* get mode */
 247#define CACHE_READ_OEM_STRING_RECORD 0x84       /* read OEM string record */ 
 248#define HOST_GET        0x10001L                /* get host drive list */
 249#define IO_CHANNEL      0x00020000L             /* default IO channel */
 250#define INVALID_CHANNEL 0x0000ffffL             /* invalid channel */
 251
 252/* service errors */
 253#define S_OK            1                       /* no error */
 254#define S_GENERR        6                       /* general error */
 255#define S_BSY           7                       /* controller busy */
 256#define S_CACHE_UNKNOWN 12                      /* cache serv.: drive unknown */
 257#define S_RAW_SCSI      12                      /* raw serv.: target error */
 258#define S_RAW_ILL       0xff                    /* raw serv.: illegal */
 259#define S_NOFUNC        -2                      /* unknown function */
 260#define S_CACHE_RESERV  -24                     /* cache: reserv. conflict */   
 261
 262/* timeout values */
 263#define INIT_RETRIES    100000                  /* 100000 * 1ms = 100s */
 264#define INIT_TIMEOUT    100000                  /* 100000 * 1ms = 100s */
 265#define POLL_TIMEOUT    10000                   /* 10000 * 1ms = 10s */
 266
 267/* priorities */
 268#define DEFAULT_PRI     0x20
 269#define IOCTL_PRI       0x10
 270#define HIGH_PRI        0x08
 271
 272/* data directions */
 273#define GDTH_DATA_IN    0x01000000L             /* data from target */
 274#define GDTH_DATA_OUT   0x00000000L             /* data to target */
 275
 276/* other defines */
 277#define LINUX_OS        8                       /* used for cache optim. */
 278#define SECS32          0x1f                    /* round capacity */
 279#define BIOS_ID_OFFS    0x10                    /* offset contr-ID in ISABIOS */
 280#define LOCALBOARD      0                       /* board node always 0 */
 281#define ASYNCINDEX      0                       /* cmd index async. event */
 282#define SPEZINDEX       1                       /* cmd index unknown service */
 283#define COALINDEX       (GDTH_MAXCMDS + 2)
 284
 285/* features */
 286#define SCATTER_GATHER  1                       /* s/g feature */
 287#define GDT_WR_THROUGH  0x100                   /* WRITE_THROUGH supported */
 288#define GDT_64BIT       0x200                   /* 64bit / drv>2TB support */
 289
 290#include "gdth_ioctl.h"
 291
 292/* screenservice message */
 293typedef struct {                               
 294    u32     msg_handle;                     /* message handle */
 295    u32     msg_len;                        /* size of message */
 296    u32     msg_alen;                       /* answer length */
 297    u8      msg_answer;                     /* answer flag */
 298    u8      msg_ext;                        /* more messages */
 299    u8      msg_reserved[2];
 300    char        msg_text[MSGLEN+2];             /* the message text */
 301} __attribute__((packed)) gdth_msg_str;
 302
 303
 304/* IOCTL data structures */
 305
 306/* Status coalescing buffer for returning multiple requests per interrupt */
 307typedef struct {
 308    u32     status;
 309    u32     ext_status;
 310    u32     info0;
 311    u32     info1;
 312} __attribute__((packed)) gdth_coal_status;
 313
 314/* performance mode data structure */
 315typedef struct {
 316    u32     version;            /* The version of this IOCTL structure. */
 317    u32     st_mode;            /* 0=dis., 1=st_buf_addr1 valid, 2=both  */
 318    u32     st_buff_addr1;      /* physical address of status buffer 1 */
 319    u32     st_buff_u_addr1;    /* reserved for 64 bit addressing */
 320    u32     st_buff_indx1;      /* reserved command idx. for this buffer */
 321    u32     st_buff_addr2;      /* physical address of status buffer 1 */
 322    u32     st_buff_u_addr2;    /* reserved for 64 bit addressing */
 323    u32     st_buff_indx2;      /* reserved command idx. for this buffer */
 324    u32     st_buff_size;       /* size of each buffer in bytes */
 325    u32     cmd_mode;           /* 0 = mode disabled, 1 = cmd_buff_addr1 */ 
 326    u32     cmd_buff_addr1;     /* physical address of cmd buffer 1 */   
 327    u32     cmd_buff_u_addr1;   /* reserved for 64 bit addressing */
 328    u32     cmd_buff_indx1;     /* cmd buf addr1 unique identifier */
 329    u32     cmd_buff_addr2;     /* physical address of cmd buffer 1 */   
 330    u32     cmd_buff_u_addr2;   /* reserved for 64 bit addressing */
 331    u32     cmd_buff_indx2;     /* cmd buf addr1 unique identifier */
 332    u32     cmd_buff_size;      /* size of each cmd buffer in bytes */
 333    u32     reserved1;
 334    u32     reserved2;
 335} __attribute__((packed)) gdth_perf_modes;
 336
 337/* SCSI drive info */
 338typedef struct {
 339    u8      vendor[8];                      /* vendor string */
 340    u8      product[16];                    /* product string */
 341    u8      revision[4];                    /* revision */
 342    u32     sy_rate;                        /* current rate for sync. tr. */
 343    u32     sy_max_rate;                    /* max. rate for sync. tr. */
 344    u32     no_ldrive;                      /* belongs to this log. drv.*/
 345    u32     blkcnt;                         /* number of blocks */
 346    u16      blksize;                        /* size of block in bytes */
 347    u8      available;                      /* flag: access is available */
 348    u8      init;                           /* medium is initialized */
 349    u8      devtype;                        /* SCSI devicetype */
 350    u8      rm_medium;                      /* medium is removable */
 351    u8      wp_medium;                      /* medium is write protected */
 352    u8      ansi;                           /* SCSI I/II or III? */
 353    u8      protocol;                       /* same as ansi */
 354    u8      sync;                           /* flag: sync. transfer enab. */
 355    u8      disc;                           /* flag: disconnect enabled */
 356    u8      queueing;                       /* flag: command queing enab. */
 357    u8      cached;                         /* flag: caching enabled */
 358    u8      target_id;                      /* target ID of device */
 359    u8      lun;                            /* LUN id of device */
 360    u8      orphan;                         /* flag: drive fragment */
 361    u32     last_error;                     /* sense key or drive state */
 362    u32     last_result;                    /* result of last command */
 363    u32     check_errors;                   /* err. in last surface check */
 364    u8      percent;                        /* progress for surface check */
 365    u8      last_check;                     /* IOCTRL operation */
 366    u8      res[2];
 367    u32     flags;                          /* from 1.19/2.19: raw reserv.*/
 368    u8      multi_bus;                      /* multi bus dev? (fibre ch.) */
 369    u8      mb_status;                      /* status: available? */
 370    u8      res2[2];
 371    u8      mb_alt_status;                  /* status on second bus */
 372    u8      mb_alt_bid;                     /* number of second bus */
 373    u8      mb_alt_tid;                     /* target id on second bus */
 374    u8      res3;
 375    u8      fc_flag;                        /* from 1.22/2.22: info valid?*/
 376    u8      res4;
 377    u16      fc_frame_size;                  /* frame size (bytes) */
 378    char        wwn[8];                         /* world wide name */
 379} __attribute__((packed)) gdth_diskinfo_str;
 380
 381/* get SCSI channel count  */
 382typedef struct {
 383    u32     channel_no;                     /* number of channel */
 384    u32     drive_cnt;                      /* drive count */
 385    u8      siop_id;                        /* SCSI processor ID */
 386    u8      siop_state;                     /* SCSI processor state */ 
 387} __attribute__((packed)) gdth_getch_str;
 388
 389/* get SCSI drive numbers */
 390typedef struct {
 391    u32     sc_no;                          /* SCSI channel */
 392    u32     sc_cnt;                         /* sc_list[] elements */
 393    u32     sc_list[MAXID];                 /* minor device numbers */
 394} __attribute__((packed)) gdth_drlist_str;
 395
 396/* get grown/primary defect count */
 397typedef struct {
 398    u8      sddc_type;                      /* 0x08: grown, 0x10: prim. */
 399    u8      sddc_format;                    /* list entry format */
 400    u8      sddc_len;                       /* list entry length */
 401    u8      sddc_res;
 402    u32     sddc_cnt;                       /* entry count */
 403} __attribute__((packed)) gdth_defcnt_str;
 404
 405/* disk statistics */
 406typedef struct {
 407    u32     bid;                            /* SCSI channel */
 408    u32     first;                          /* first SCSI disk */
 409    u32     entries;                        /* number of elements */
 410    u32     count;                          /* (R) number of init. el. */
 411    u32     mon_time;                       /* time stamp */
 412    struct {
 413        u8  tid;                            /* target ID */
 414        u8  lun;                            /* LUN */
 415        u8  res[2];
 416        u32 blk_size;                       /* block size in bytes */
 417        u32 rd_count;                       /* bytes read */
 418        u32 wr_count;                       /* bytes written */
 419        u32 rd_blk_count;                   /* blocks read */
 420        u32 wr_blk_count;                   /* blocks written */
 421        u32 retries;                        /* retries */
 422        u32 reassigns;                      /* reassigns */
 423    } __attribute__((packed)) list[1];
 424} __attribute__((packed)) gdth_dskstat_str;
 425
 426/* IO channel header */
 427typedef struct {
 428    u32     version;                        /* version (-1UL: newest) */
 429    u8      list_entries;                   /* list entry count */
 430    u8      first_chan;                     /* first channel number */
 431    u8      last_chan;                      /* last channel number */
 432    u8      chan_count;                     /* (R) channel count */
 433    u32     list_offset;                    /* offset of list[0] */
 434} __attribute__((packed)) gdth_iochan_header;
 435
 436/* get IO channel description */
 437typedef struct {
 438    gdth_iochan_header  hdr;
 439    struct {
 440        u32         address;                /* channel address */
 441        u8          type;                   /* type (SCSI, FCAL) */
 442        u8          local_no;               /* local number */
 443        u16          features;               /* channel features */
 444    } __attribute__((packed)) list[MAXBUS];
 445} __attribute__((packed)) gdth_iochan_str;
 446
 447/* get raw IO channel description */
 448typedef struct {
 449    gdth_iochan_header  hdr;
 450    struct {
 451        u8      proc_id;                    /* processor id */
 452        u8      proc_defect;                /* defect ? */
 453        u8      reserved[2];
 454    } __attribute__((packed)) list[MAXBUS];
 455} __attribute__((packed)) gdth_raw_iochan_str;
 456
 457/* array drive component */
 458typedef struct {
 459    u32     al_controller;                  /* controller ID */
 460    u8      al_cache_drive;                 /* cache drive number */
 461    u8      al_status;                      /* cache drive state */
 462    u8      al_res[2];     
 463} __attribute__((packed)) gdth_arraycomp_str;
 464
 465/* array drive information */
 466typedef struct {
 467    u8      ai_type;                        /* array type (RAID0,4,5) */
 468    u8      ai_cache_drive_cnt;             /* active cachedrives */
 469    u8      ai_state;                       /* array drive state */
 470    u8      ai_master_cd;                   /* master cachedrive */
 471    u32     ai_master_controller;           /* ID of master controller */
 472    u32     ai_size;                        /* user capacity [sectors] */
 473    u32     ai_striping_size;               /* striping size [sectors] */
 474    u32     ai_secsize;                     /* sector size [bytes] */
 475    u32     ai_err_info;                    /* failed cache drive */
 476    u8      ai_name[8];                     /* name of the array drive */
 477    u8      ai_controller_cnt;              /* number of controllers */
 478    u8      ai_removable;                   /* flag: removable */
 479    u8      ai_write_protected;             /* flag: write protected */
 480    u8      ai_devtype;                     /* type: always direct access */
 481    gdth_arraycomp_str  ai_drives[35];          /* drive components: */
 482    u8      ai_drive_entries;               /* number of drive components */
 483    u8      ai_protected;                   /* protection flag */
 484    u8      ai_verify_state;                /* state of a parity verify */
 485    u8      ai_ext_state;                   /* extended array drive state */
 486    u8      ai_expand_state;                /* array expand state (>=2.18)*/
 487    u8      ai_reserved[3];
 488} __attribute__((packed)) gdth_arrayinf_str;
 489
 490/* get array drive list */
 491typedef struct {
 492    u32     controller_no;                  /* controller no. */
 493    u8      cd_handle;                      /* master cachedrive */
 494    u8      is_arrayd;                      /* Flag: is array drive? */
 495    u8      is_master;                      /* Flag: is array master? */
 496    u8      is_parity;                      /* Flag: is parity drive? */
 497    u8      is_hotfix;                      /* Flag: is hotfix drive? */
 498    u8      res[3];
 499} __attribute__((packed)) gdth_alist_str;
 500
 501typedef struct {
 502    u32     entries_avail;                  /* allocated entries */
 503    u32     entries_init;                   /* returned entries */
 504    u32     first_entry;                    /* first entry number */
 505    u32     list_offset;                    /* offset of following list */
 506    gdth_alist_str list[1];                     /* list */
 507} __attribute__((packed)) gdth_arcdl_str;
 508
 509/* cache info/config IOCTL */
 510typedef struct {
 511    u32     version;                        /* firmware version */
 512    u16      state;                          /* cache state (on/off) */
 513    u16      strategy;                       /* cache strategy */
 514    u16      write_back;                     /* write back state (on/off) */
 515    u16      block_size;                     /* cache block size */
 516} __attribute__((packed)) gdth_cpar_str;
 517
 518typedef struct {
 519    u32     csize;                          /* cache size */
 520    u32     read_cnt;                       /* read/write counter */
 521    u32     write_cnt;
 522    u32     tr_hits;                        /* hits */
 523    u32     sec_hits;
 524    u32     sec_miss;                       /* misses */
 525} __attribute__((packed)) gdth_cstat_str;
 526
 527typedef struct {
 528    gdth_cpar_str   cpar;
 529    gdth_cstat_str  cstat;
 530} __attribute__((packed)) gdth_cinfo_str;
 531
 532/* cache drive info */
 533typedef struct {
 534    u8      cd_name[8];                     /* cache drive name */
 535    u32     cd_devtype;                     /* SCSI devicetype */
 536    u32     cd_ldcnt;                       /* number of log. drives */
 537    u32     cd_last_error;                  /* last error */
 538    u8      cd_initialized;                 /* drive is initialized */
 539    u8      cd_removable;                   /* media is removable */
 540    u8      cd_write_protected;             /* write protected */
 541    u8      cd_flags;                       /* Pool Hot Fix? */
 542    u32     ld_blkcnt;                      /* number of blocks */
 543    u32     ld_blksize;                     /* blocksize */
 544    u32     ld_dcnt;                        /* number of disks */
 545    u32     ld_slave;                       /* log. drive index */
 546    u32     ld_dtype;                       /* type of logical drive */
 547    u32     ld_last_error;                  /* last error */
 548    u8      ld_name[8];                     /* log. drive name */
 549    u8      ld_error;                       /* error */
 550} __attribute__((packed)) gdth_cdrinfo_str;
 551
 552/* OEM string */
 553typedef struct {
 554    u32     ctl_version;
 555    u32     file_major_version;
 556    u32     file_minor_version;
 557    u32     buffer_size;
 558    u32     cpy_count;
 559    u32     ext_error;
 560    u32     oem_id;
 561    u32     board_id;
 562} __attribute__((packed)) gdth_oem_str_params;
 563
 564typedef struct {
 565    u8      product_0_1_name[16];
 566    u8      product_4_5_name[16];
 567    u8      product_cluster_name[16];
 568    u8      product_reserved[16];
 569    u8      scsi_cluster_target_vendor_id[16];
 570    u8      cluster_raid_fw_name[16];
 571    u8      oem_brand_name[16];
 572    u8      oem_raid_type[16];
 573    u8      bios_type[13];
 574    u8      bios_title[50];
 575    u8      oem_company_name[37];
 576    u32     pci_id_1;
 577    u32     pci_id_2;
 578    u8      validation_status[80];
 579    u8      reserved_1[4];
 580    u8      scsi_host_drive_inquiry_vendor_id[16];
 581    u8      library_file_template[16];
 582    u8      reserved_2[16];
 583    u8      tool_name_1[32];
 584    u8      tool_name_2[32];
 585    u8      tool_name_3[32];
 586    u8      oem_contact_1[84];
 587    u8      oem_contact_2[84];
 588    u8      oem_contact_3[84];
 589} __attribute__((packed)) gdth_oem_str;
 590
 591typedef struct {
 592    gdth_oem_str_params params;
 593    gdth_oem_str        text;
 594} __attribute__((packed)) gdth_oem_str_ioctl;
 595
 596/* board features */
 597typedef struct {
 598    u8      chaining;                       /* Chaining supported */
 599    u8      striping;                       /* Striping (RAID-0) supp. */
 600    u8      mirroring;                      /* Mirroring (RAID-1) supp. */
 601    u8      raid;                           /* RAID-4/5/10 supported */
 602} __attribute__((packed)) gdth_bfeat_str;
 603
 604/* board info IOCTL */
 605typedef struct {
 606    u32     ser_no;                         /* serial no. */
 607    u8      oem_id[2];                      /* OEM ID */
 608    u16      ep_flags;                       /* eprom flags */
 609    u32     proc_id;                        /* processor ID */
 610    u32     memsize;                        /* memory size (bytes) */
 611    u8      mem_banks;                      /* memory banks */
 612    u8      chan_type;                      /* channel type */
 613    u8      chan_count;                     /* channel count */
 614    u8      rdongle_pres;                   /* dongle present? */
 615    u32     epr_fw_ver;                     /* (eprom) firmware version */
 616    u32     upd_fw_ver;                     /* (update) firmware version */
 617    u32     upd_revision;                   /* update revision */
 618    char        type_string[16];                /* controller name */
 619    char        raid_string[16];                /* RAID firmware name */
 620    u8      update_pres;                    /* update present? */
 621    u8      xor_pres;                       /* XOR engine present? */
 622    u8      prom_type;                      /* ROM type (eprom/flash) */
 623    u8      prom_count;                     /* number of ROM devices */
 624    u32     dup_pres;                       /* duplexing module present? */
 625    u32     chan_pres;                      /* number of expansion chn. */
 626    u32     mem_pres;                       /* memory expansion inst. ? */
 627    u8      ft_bus_system;                  /* fault bus supported? */
 628    u8      subtype_valid;                  /* board_subtype valid? */
 629    u8      board_subtype;                  /* subtype/hardware level */
 630    u8      ramparity_pres;                 /* RAM parity check hardware? */
 631} __attribute__((packed)) gdth_binfo_str; 
 632
 633/* get host drive info */
 634typedef struct {
 635    char        name[8];                        /* host drive name */
 636    u32     size;                           /* size (sectors) */
 637    u8      host_drive;                     /* host drive number */
 638    u8      log_drive;                      /* log. drive (master) */
 639    u8      reserved;
 640    u8      rw_attribs;                     /* r/w attribs */
 641    u32     start_sec;                      /* start sector */
 642} __attribute__((packed)) gdth_hentry_str;
 643
 644typedef struct {
 645    u32     entries;                        /* entry count */
 646    u32     offset;                         /* offset of entries */
 647    u8      secs_p_head;                    /* sectors/head */
 648    u8      heads_p_cyl;                    /* heads/cylinder */
 649    u8      reserved;
 650    u8      clust_drvtype;                  /* cluster drive type */
 651    u32     location;                       /* controller number */
 652    gdth_hentry_str entry[MAX_HDRIVES];         /* entries */
 653} __attribute__((packed)) gdth_hget_str;    
 654
 655
 656/* DPRAM structures */
 657
 658/* interface area ISA/PCI */
 659typedef struct {
 660    u8              S_Cmd_Indx;             /* special command */
 661    u8 volatile     S_Status;               /* status special command */
 662    u16              reserved1;
 663    u32             S_Info[4];              /* add. info special command */
 664    u8 volatile     Sema0;                  /* command semaphore */
 665    u8              reserved2[3];
 666    u8              Cmd_Index;              /* command number */
 667    u8              reserved3[3];
 668    u16 volatile     Status;                 /* command status */
 669    u16              Service;                /* service(for async.events) */
 670    u32             Info[2];                /* additional info */
 671    struct {
 672        u16          offset;                 /* command offs. in the DPRAM*/
 673        u16          serv_id;                /* service */
 674    } __attribute__((packed)) comm_queue[MAXOFFSETS];            /* command queue */
 675    u32             bios_reserved[2];
 676    u8              gdt_dpr_cmd[1];         /* commands */
 677} __attribute__((packed)) gdt_dpr_if;
 678
 679/* SRAM structure PCI controllers */
 680typedef struct {
 681    u32     magic;                          /* controller ID from BIOS */
 682    u16      need_deinit;                    /* switch betw. BIOS/driver */
 683    u8      switch_support;                 /* see need_deinit */
 684    u8      padding[9];
 685    u8      os_used[16];                    /* OS code per service */
 686    u8      unused[28];
 687    u8      fw_magic;                       /* contr. ID from firmware */
 688} __attribute__((packed)) gdt_pci_sram;
 689
 690/* DPRAM ISA controllers */
 691typedef struct {
 692    union {
 693        struct {
 694            u8      bios_used[0x3c00-32];   /* 15KB - 32Bytes BIOS */
 695            u16      need_deinit;            /* switch betw. BIOS/driver */
 696            u8      switch_support;         /* see need_deinit */
 697            u8      padding[9];
 698            u8      os_used[16];            /* OS code per service */
 699        } __attribute__((packed)) dp_sram;
 700        u8          bios_area[0x4000];      /* 16KB reserved for BIOS */
 701    } bu;
 702    union {
 703        gdt_dpr_if      ic;                     /* interface area */
 704        u8          if_area[0x3000];        /* 12KB for interface */
 705    } u;
 706    struct {
 707        u8          memlock;                /* write protection DPRAM */
 708        u8          event;                  /* release event */
 709        u8          irqen;                  /* board interrupts enable */
 710        u8          irqdel;                 /* acknowledge board int. */
 711        u8 volatile Sema1;                  /* status semaphore */
 712        u8          rq;                     /* IRQ/DRQ configuration */
 713    } __attribute__((packed)) io;
 714} __attribute__((packed)) gdt2_dpram_str;
 715
 716/* DPRAM PCI controllers */
 717typedef struct {
 718    union {
 719        gdt_dpr_if      ic;                     /* interface area */
 720        u8          if_area[0xff0-sizeof(gdt_pci_sram)];
 721    } u;
 722    gdt_pci_sram        gdt6sr;                 /* SRAM structure */
 723    struct {
 724        u8          unused0[1];
 725        u8 volatile Sema1;                  /* command semaphore */
 726        u8          unused1[3];
 727        u8          irqen;                  /* board interrupts enable */
 728        u8          unused2[2];
 729        u8          event;                  /* release event */
 730        u8          unused3[3];
 731        u8          irqdel;                 /* acknowledge board int. */
 732        u8          unused4[3];
 733    } __attribute__((packed)) io;
 734} __attribute__((packed)) gdt6_dpram_str;
 735
 736/* PLX register structure (new PCI controllers) */
 737typedef struct {
 738    u8              cfg_reg;        /* DPRAM cfg.(2:below 1MB,0:anywhere)*/
 739    u8              unused1[0x3f];
 740    u8 volatile     sema0_reg;              /* command semaphore */
 741    u8 volatile     sema1_reg;              /* status semaphore */
 742    u8              unused2[2];
 743    u16 volatile     status;                 /* command status */
 744    u16              service;                /* service */
 745    u32             info[2];                /* additional info */
 746    u8              unused3[0x10];
 747    u8              ldoor_reg;              /* PCI to local doorbell */
 748    u8              unused4[3];
 749    u8 volatile     edoor_reg;              /* local to PCI doorbell */
 750    u8              unused5[3];
 751    u8              control0;               /* control0 register(unused) */
 752    u8              control1;               /* board interrupts enable */
 753    u8              unused6[0x16];
 754} __attribute__((packed)) gdt6c_plx_regs;
 755
 756/* DPRAM new PCI controllers */
 757typedef struct {
 758    union {
 759        gdt_dpr_if      ic;                     /* interface area */
 760        u8          if_area[0x4000-sizeof(gdt_pci_sram)];
 761    } u;
 762    gdt_pci_sram        gdt6sr;                 /* SRAM structure */
 763} __attribute__((packed)) gdt6c_dpram_str;
 764
 765/* i960 register structure (PCI MPR controllers) */
 766typedef struct {
 767    u8              unused1[16];
 768    u8 volatile     sema0_reg;              /* command semaphore */
 769    u8              unused2;
 770    u8 volatile     sema1_reg;              /* status semaphore */
 771    u8              unused3;
 772    u16 volatile     status;                 /* command status */
 773    u16              service;                /* service */
 774    u32             info[2];                /* additional info */
 775    u8              ldoor_reg;              /* PCI to local doorbell */
 776    u8              unused4[11];
 777    u8 volatile     edoor_reg;              /* local to PCI doorbell */
 778    u8              unused5[7];
 779    u8              edoor_en_reg;           /* board interrupts enable */
 780    u8              unused6[27];
 781    u32             unused7[939];         
 782    u32             severity;       
 783    char                evt_str[256];           /* event string */
 784} __attribute__((packed)) gdt6m_i960_regs;
 785
 786/* DPRAM PCI MPR controllers */
 787typedef struct {
 788    gdt6m_i960_regs     i960r;                  /* 4KB i960 registers */
 789    union {
 790        gdt_dpr_if      ic;                     /* interface area */
 791        u8          if_area[0x3000-sizeof(gdt_pci_sram)];
 792    } u;
 793    gdt_pci_sram        gdt6sr;                 /* SRAM structure */
 794} __attribute__((packed)) gdt6m_dpram_str;
 795
 796
 797/* PCI resources */
 798typedef struct {
 799    struct pci_dev      *pdev;
 800    unsigned long               dpmem;                  /* DPRAM address */
 801    unsigned long               io;                     /* IO address */
 802} gdth_pci_str;
 803
 804
 805/* controller information structure */
 806typedef struct {
 807    struct Scsi_Host    *shost;
 808    struct list_head    list;
 809    u16         hanum;
 810    u16              oem_id;                 /* OEM */
 811    u16              type;                   /* controller class */
 812    u32             stype;                  /* subtype (PCI: device ID) */
 813    u16              fw_vers;                /* firmware version */
 814    u16              cache_feat;             /* feat. cache serv. (s/g,..)*/
 815    u16              raw_feat;               /* feat. raw service (s/g,..)*/
 816    u16              screen_feat;            /* feat. raw service (s/g,..)*/
 817    void __iomem        *brd;                   /* DPRAM address */
 818    u32             brd_phys;               /* slot number/BIOS address */
 819    gdt6c_plx_regs      *plx;                   /* PLX regs (new PCI contr.) */
 820    gdth_cmd_str        cmdext;
 821    gdth_cmd_str        *pccb;                  /* address command structure */
 822    u32             ccb_phys;               /* phys. address */
 823#ifdef INT_COAL
 824    gdth_coal_status    *coal_stat;             /* buffer for coalescing int.*/
 825    u64             coal_stat_phys;         /* phys. address */
 826#endif
 827    char                *pscratch;              /* scratch (DMA) buffer */
 828    u64             scratch_phys;           /* phys. address */
 829    u8              scratch_busy;           /* in use? */
 830    u8              dma64_support;          /* 64-bit DMA supported? */
 831    gdth_msg_str        *pmsg;                  /* message buffer */
 832    u64             msg_phys;               /* phys. address */
 833    u8              scan_mode;              /* current scan mode */
 834    u8              irq;                    /* IRQ */
 835    u8              drq;                    /* DRQ (ISA controllers) */
 836    u16              status;                 /* command status */
 837    u16              service;                /* service/firmware ver./.. */
 838    u32             info;
 839    u32             info2;                  /* additional info */
 840    struct scsi_cmnd           *req_first;             /* top of request queue */
 841    struct {
 842        u8          present;                /* Flag: host drive present? */
 843        u8          is_logdrv;              /* Flag: log. drive (master)? */
 844        u8          is_arraydrv;            /* Flag: array drive? */
 845        u8          is_master;              /* Flag: array drive master? */
 846        u8          is_parity;              /* Flag: parity drive? */
 847        u8          is_hotfix;              /* Flag: hotfix drive? */
 848        u8          master_no;              /* number of master drive */
 849        u8          lock;                   /* drive locked? (hot plug) */
 850        u8          heads;                  /* mapping */
 851        u8          secs;
 852        u16          devtype;                /* further information */
 853        u64         size;                   /* capacity */
 854        u8          ldr_no;                 /* log. drive no. */
 855        u8          rw_attribs;             /* r/w attributes */
 856        u8          cluster_type;           /* cluster properties */
 857        u8          media_changed;          /* Flag:MOUNT/UNMOUNT occurred */
 858        u32         start_sec;              /* start sector */
 859    } hdr[MAX_LDRIVES];                         /* host drives */
 860    struct {
 861        u8          lock;                   /* channel locked? (hot plug) */
 862        u8          pdev_cnt;               /* physical device count */
 863        u8          local_no;               /* local channel number */
 864        u8          io_cnt[MAXID];          /* current IO count */
 865        u32         address;                /* channel address */
 866        u32         id_list[MAXID];         /* IDs of the phys. devices */
 867    } raw[MAXBUS];                              /* SCSI channels */
 868    struct {
 869        struct scsi_cmnd       *cmnd;                  /* pending request */
 870        u16          service;                /* service */
 871    } cmd_tab[GDTH_MAXCMDS];                    /* table of pend. requests */
 872    struct gdth_cmndinfo {                      /* per-command private info */
 873        int index;
 874        int internal_command;                   /* don't call scsi_done */
 875        gdth_cmd_str *internal_cmd_str;         /* crier for internal messages*/
 876        dma_addr_t sense_paddr;                 /* sense dma-addr */
 877        u8 priority;
 878        int timeout_count;                      /* # of timeout calls */
 879        volatile int wait_for_completion;
 880        u16 status;
 881        u32 info;
 882        enum dma_data_direction dma_dir;
 883        int phase;                              /* ???? */
 884        int OpCode;
 885    } cmndinfo[GDTH_MAXCMDS];                   /* index==0 is free */
 886    u8              bus_cnt;                /* SCSI bus count */
 887    u8              tid_cnt;                /* Target ID count */
 888    u8              bus_id[MAXBUS];         /* IOP IDs */
 889    u8              virt_bus;               /* number of virtual bus */
 890    u8              more_proc;              /* more /proc info supported */
 891    u16              cmd_cnt;                /* command count in DPRAM */
 892    u16              cmd_len;                /* length of actual command */
 893    u16              cmd_offs_dpmem;         /* actual offset in DPRAM */
 894    u16              ic_all_size;            /* sizeof DPRAM interf. area */
 895    gdth_cpar_str       cpar;                   /* controller cache par. */
 896    gdth_bfeat_str      bfeat;                  /* controller features */
 897    gdth_binfo_str      binfo;                  /* controller info */
 898    gdth_evt_data       dvr;                    /* event structure */
 899    spinlock_t          smp_lock;
 900    struct pci_dev      *pdev;
 901    char                oem_name[8];
 902#ifdef GDTH_DMA_STATISTICS
 903    unsigned long               dma32_cnt, dma64_cnt;   /* statistics: DMA buffer */
 904#endif
 905    struct scsi_device         *sdev;
 906} gdth_ha_str;
 907
 908static inline struct gdth_cmndinfo *gdth_cmnd_priv(struct scsi_cmnd* cmd)
 909{
 910        return (struct gdth_cmndinfo *)cmd->host_scribble;
 911}
 912
 913/* INQUIRY data format */
 914typedef struct {
 915    u8      type_qual;
 916    u8      modif_rmb;
 917    u8      version;
 918    u8      resp_aenc;
 919    u8      add_length;
 920    u8      reserved1;
 921    u8      reserved2;
 922    u8      misc;
 923    u8      vendor[8];
 924    u8      product[16];
 925    u8      revision[4];
 926} __attribute__((packed)) gdth_inq_data;
 927
 928/* READ_CAPACITY data format */
 929typedef struct {
 930    u32     last_block_no;
 931    u32     block_length;
 932} __attribute__((packed)) gdth_rdcap_data;
 933
 934/* READ_CAPACITY (16) data format */
 935typedef struct {
 936    u64     last_block_no;
 937    u32     block_length;
 938} __attribute__((packed)) gdth_rdcap16_data;
 939
 940/* REQUEST_SENSE data format */
 941typedef struct {
 942    u8      errorcode;
 943    u8      segno;
 944    u8      key;
 945    u32     info;
 946    u8      add_length;
 947    u32     cmd_info;
 948    u8      adsc;
 949    u8      adsq;
 950    u8      fruc;
 951    u8      key_spec[3];
 952} __attribute__((packed)) gdth_sense_data;
 953
 954/* MODE_SENSE data format */
 955typedef struct {
 956    struct {
 957        u8  data_length;
 958        u8  med_type;
 959        u8  dev_par;
 960        u8  bd_length;
 961    } __attribute__((packed)) hd;
 962    struct {
 963        u8  dens_code;
 964        u8  block_count[3];
 965        u8  reserved;
 966        u8  block_length[3];
 967    } __attribute__((packed)) bd;
 968} __attribute__((packed)) gdth_modep_data;
 969
 970/* stack frame */
 971typedef struct {
 972    unsigned long       b[10];                          /* 32/64 bit compiler ! */
 973} __attribute__((packed)) gdth_stackframe;
 974
 975
 976/* function prototyping */
 977
 978int gdth_show_info(struct seq_file *, struct Scsi_Host *);
 979int gdth_set_info(struct Scsi_Host *, char *, int);
 980
 981#endif
 982