root/drivers/scsi/gdth.h

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DEFINITIONS

This source file includes following definitions.
  1. gdth_cmnd_priv

   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 */
 293 typedef 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 */
 307 typedef 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 */
 315 typedef 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 */
 338 typedef 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  */
 382 typedef 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 */
 390 typedef 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 */
 397 typedef 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 */
 406 typedef 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 */
 427 typedef 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 */
 437 typedef 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 */
 448 typedef 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 */
 458 typedef 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 */
 466 typedef 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 */
 491 typedef 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 
 501 typedef 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 */
 510 typedef 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 
 518 typedef 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 
 527 typedef struct {
 528     gdth_cpar_str   cpar;
 529     gdth_cstat_str  cstat;
 530 } __attribute__((packed)) gdth_cinfo_str;
 531 
 532 /* cache drive info */
 533 typedef 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 */
 553 typedef 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 
 564 typedef 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 
 591 typedef struct {
 592     gdth_oem_str_params params;
 593     gdth_oem_str        text;
 594 } __attribute__((packed)) gdth_oem_str_ioctl;
 595 
 596 /* board features */
 597 typedef 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 */
 605 typedef 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 */
 634 typedef 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 
 644 typedef 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 */
 659 typedef 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 */
 680 typedef 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 */
 691 typedef 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 */
 717 typedef 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) */
 737 typedef 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 */
 757 typedef 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) */
 766 typedef 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 */
 787 typedef 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 */
 798 typedef 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 */
 806 typedef 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 
 908 static 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 */
 914 typedef 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 */
 929 typedef struct {
 930     u32     last_block_no;
 931     u32     block_length;
 932 } __attribute__((packed)) gdth_rdcap_data;
 933 
 934 /* READ_CAPACITY (16) data format */
 935 typedef struct {
 936     u64     last_block_no;
 937     u32     block_length;
 938 } __attribute__((packed)) gdth_rdcap16_data;
 939 
 940 /* REQUEST_SENSE data format */
 941 typedef 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 */
 955 typedef 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 */
 971 typedef struct {
 972     unsigned long       b[10];                          /* 32/64 bit compiler ! */
 973 } __attribute__((packed)) gdth_stackframe;
 974 
 975 
 976 /* function prototyping */
 977 
 978 int gdth_show_info(struct seq_file *, struct Scsi_Host *);
 979 int gdth_set_info(struct Scsi_Host *, char *, int);
 980 
 981 #endif

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