drivers/scsi/gdth_ioctl.h

   1 #ifndef _GDTH_IOCTL_H
   2 #define _GDTH_IOCTL_H
   3
   4 /* gdth_ioctl.h
   5  * $Id: gdth_ioctl.h,v 1.14 2004/02/19 15:43:15 achim Exp $
   6  */
   7
   8 /* IOCTLs */
   9 #define GDTIOCTL_MASK       ('J'<<8)
  10 #define GDTIOCTL_GENERAL    (GDTIOCTL_MASK | 0) /* general IOCTL */
  11 #define GDTIOCTL_DRVERS     (GDTIOCTL_MASK | 1) /* get driver version */
  12 #define GDTIOCTL_CTRTYPE    (GDTIOCTL_MASK | 2) /* get controller type */
  13 #define GDTIOCTL_OSVERS     (GDTIOCTL_MASK | 3) /* get OS version */
  14 #define GDTIOCTL_HDRLIST    (GDTIOCTL_MASK | 4) /* get host drive list */
  15 #define GDTIOCTL_CTRCNT     (GDTIOCTL_MASK | 5) /* get controller count */
  16 #define GDTIOCTL_LOCKDRV    (GDTIOCTL_MASK | 6) /* lock host drive */
  17 #define GDTIOCTL_LOCKCHN    (GDTIOCTL_MASK | 7) /* lock channel */
  18 #define GDTIOCTL_EVENT      (GDTIOCTL_MASK | 8) /* read controller events */
  19 #define GDTIOCTL_SCSI       (GDTIOCTL_MASK | 9) /* SCSI command */
  20 #define GDTIOCTL_RESET_BUS  (GDTIOCTL_MASK |10) /* reset SCSI bus */
  21 #define GDTIOCTL_RESCAN     (GDTIOCTL_MASK |11) /* rescan host drives */
  22 #define GDTIOCTL_RESET_DRV  (GDTIOCTL_MASK |12) /* reset (remote) drv. res. */
  23
  24 #define GDTIOCTL_MAGIC  0xaffe0004
  25 #define EVENT_SIZE      294
  26 #define GDTH_MAXSG      32                      /* max. s/g elements */
  27
  28 #define MAX_LDRIVES     255                     /* max. log. drive count */
  29 #ifdef GDTH_IOCTL_PROC
  30 #define MAX_HDRIVES     100                     /* max. host drive count */
  31 #else
  32 #define MAX_HDRIVES     MAX_LDRIVES             /* max. host drive count */
  33 #endif
  34
  35 /* typedefs */
  36 #ifdef __KERNEL__
  37 typedef u32     ulong32;
  38 typedef u64     ulong64;
  39 #endif
  40
  41 #define PACKED  __attribute__((packed))
  42
  43 /* scatter/gather element */
  44 typedef struct {
  45     ulong32     sg_ptr;                         /* address */
  46     ulong32     sg_len;                         /* length */
  47 } PACKED gdth_sg_str;
  48
  49 /* scatter/gather element - 64bit addresses */
  50 typedef struct {
  51     ulong64     sg_ptr;                         /* address */
  52     ulong32     sg_len;                         /* length */
  53 } PACKED gdth_sg64_str;
  54
  55 /* command structure */
  56 typedef struct {
  57     ulong32     BoardNode;                      /* board node (always 0) */
  58     ulong32     CommandIndex;                   /* command number */
  59     ushort      OpCode;                         /* the command (READ,..) */
  60     union {
  61         struct {
  62             ushort      DeviceNo;               /* number of cache drive */
  63             ulong32     BlockNo;                /* block number */
  64             ulong32     BlockCnt;               /* block count */
  65             ulong32     DestAddr;               /* dest. addr. (if s/g: -1) */
  66             ulong32     sg_canz;                /* s/g element count */
  67             gdth_sg_str sg_lst[GDTH_MAXSG];     /* s/g list */
  68         } PACKED cache;                         /* cache service cmd. str. */
  69         struct {
  70             ushort      DeviceNo;               /* number of cache drive */
  71             ulong64     BlockNo;                /* block number */
  72             ulong32     BlockCnt;               /* block count */
  73             ulong64     DestAddr;               /* dest. addr. (if s/g: -1) */
  74             ulong32     sg_canz;                /* s/g element count */
  75             gdth_sg64_str sg_lst[GDTH_MAXSG];   /* s/g list */
  76         } PACKED cache64;                       /* cache service cmd. str. */
  77         struct {
  78             ushort      param_size;             /* size of p_param buffer */
  79             ulong32     subfunc;                /* IOCTL function */
  80             ulong32     channel;                /* device */
  81             ulong64     p_param;                /* buffer */
  82         } PACKED ioctl;                         /* IOCTL command structure */
  83         struct {
  84             ushort      reserved;
  85             union {
  86                 struct {
  87                     ulong32  msg_handle;        /* message handle */
  88                     ulong64  msg_addr;          /* message buffer address */
  89                 } PACKED msg;
  90                 unchar       data[12];          /* buffer for rtc data, ... */
  91             } su;
  92         } PACKED screen;                        /* screen service cmd. str. */
  93         struct {
  94             ushort      reserved;
  95             ulong32     direction;              /* data direction */
  96             ulong32     mdisc_time;             /* disc. time (0: no timeout)*/
  97             ulong32     mcon_time;              /* connect time(0: no to.) */
  98             ulong32     sdata;                  /* dest. addr. (if s/g: -1) */
  99             ulong32     sdlen;                  /* data length (bytes) */
 100             ulong32     clen;                   /* SCSI cmd. length(6,10,12) */
 101             unchar      cmd[12];                /* SCSI command */
 102             unchar      target;                 /* target ID */
 103             unchar      lun;                    /* LUN */
 104             unchar      bus;                    /* SCSI bus number */
 105             unchar      priority;               /* only 0 used */
 106             ulong32     sense_len;              /* sense data length */
 107             ulong32     sense_data;             /* sense data addr. */
 108             ulong32     link_p;                 /* linked cmds (not supp.) */
 109             ulong32     sg_ranz;                /* s/g element count */
 110             gdth_sg_str sg_lst[GDTH_MAXSG];     /* s/g list */
 111         } PACKED raw;                           /* raw service cmd. struct. */
 112         struct {
 113             ushort      reserved;
 114             ulong32     direction;              /* data direction */
 115             ulong32     mdisc_time;             /* disc. time (0: no timeout)*/
 116             ulong32     mcon_time;              /* connect time(0: no to.) */
 117             ulong64     sdata;                  /* dest. addr. (if s/g: -1) */
 118             ulong32     sdlen;                  /* data length (bytes) */
 119             ulong32     clen;                   /* SCSI cmd. length(6,..,16) */
 120             unchar      cmd[16];                /* SCSI command */
 121             unchar      target;                 /* target ID */
 122             unchar      lun;                    /* LUN */
 123             unchar      bus;                    /* SCSI bus number */
 124             unchar      priority;               /* only 0 used */
 125             ulong32     sense_len;              /* sense data length */
 126             ulong64     sense_data;             /* sense data addr. */
 127             ulong32     sg_ranz;                /* s/g element count */
 128             gdth_sg64_str sg_lst[GDTH_MAXSG];   /* s/g list */
 129         } PACKED raw64;                         /* raw service cmd. struct. */
 130     } u;
 131     /* additional variables */
 132     unchar      Service;                        /* controller service */
 133     unchar      reserved;
 134     ushort      Status;                         /* command result */
 135     ulong32     Info;                           /* additional information */
 136     void        *RequestBuffer;                 /* request buffer */
 137 } PACKED gdth_cmd_str;
 138
 139 /* controller event structure */
 140 #define ES_ASYNC    1
 141 #define ES_DRIVER   2
 142 #define ES_TEST     3
 143 #define ES_SYNC     4
 144 typedef struct {
 145     ushort                  size;               /* size of structure */
 146     union {
 147         char                stream[16];
 148         struct {
 149             ushort          ionode;
 150             ushort          service;
 151             ulong32         index;
 152         } PACKED driver;
 153         struct {
 154             ushort          ionode;
 155             ushort          service;
 156             ushort          status;
 157             ulong32         info;
 158             unchar          scsi_coord[3];
 159         } PACKED async;
 160         struct {
 161             ushort          ionode;
 162             ushort          service;
 163             ushort          status;
 164             ulong32         info;
 165             ushort          hostdrive;
 166             unchar          scsi_coord[3];
 167             unchar          sense_key;
 168         } PACKED sync;
 169         struct {
 170             ulong32         l1, l2, l3, l4;
 171         } PACKED test;
 172     } eu;
 173     ulong32                 severity;
 174     unchar                  event_string[256];
 175 } PACKED gdth_evt_data;
 176
 177 typedef struct {
 178     ulong32         first_stamp;
 179     ulong32         last_stamp;
 180     ushort          same_count;
 181     ushort          event_source;
 182     ushort          event_idx;
 183     unchar          application;
 184     unchar          reserved;
 185     gdth_evt_data   event_data;
 186 } PACKED gdth_evt_str;
 187
 188
 189 #ifdef GDTH_IOCTL_PROC
 190 /* IOCTL structure (write) */
 191 typedef struct {
 192     ulong32                 magic;              /* IOCTL magic */
 193     ushort                  ioctl;              /* IOCTL */
 194     ushort                  ionode;             /* controller number */
 195     ushort                  service;            /* controller service */
 196     ushort                  timeout;            /* timeout */
 197     union {
 198         struct {
 199             unchar          command[512];       /* controller command */
 200             unchar          data[1];            /* add. data */
 201         } general;
 202         struct {
 203             unchar          lock;               /* lock/unlock */
 204             unchar          drive_cnt;          /* drive count */
 205             ushort          drives[MAX_HDRIVES];/* drives */
 206         } lockdrv;
 207         struct {
 208             unchar          lock;               /* lock/unlock */
 209             unchar          channel;            /* channel */
 210         } lockchn;
 211         struct {
 212             int             erase;              /* erase event ? */
 213             int             handle;
 214             unchar          evt[EVENT_SIZE];    /* event structure */
 215         } event;
 216         struct {
 217             unchar          bus;                /* SCSI bus */
 218             unchar          target;             /* target ID */
 219             unchar          lun;                /* LUN */
 220             unchar          cmd_len;            /* command length */
 221             unchar          cmd[12];            /* SCSI command */
 222         } scsi;
 223         struct {
 224             ushort          hdr_no;             /* host drive number */
 225             unchar          flag;               /* old meth./add/remove */
 226         } rescan;
 227     } iu;
 228 } gdth_iowr_str;
 229
 230 /* IOCTL structure (read) */
 231 typedef struct {
 232     ulong32                 size;               /* buffer size */
 233     ulong32                 status;             /* IOCTL error code */
 234     union {
 235         struct {
 236             unchar          data[1];            /* data */
 237         } general;
 238         struct {
 239             ushort          version;            /* driver version */
 240         } drvers;
 241         struct {
 242             unchar          type;               /* controller type */
 243             ushort          info;               /* slot etc. */
 244             ushort          oem_id;             /* OEM ID */
 245             ushort          bios_ver;           /* not used */
 246             ushort          access;             /* not used */
 247             ushort          ext_type;           /* extended type */
 248             ushort          device_id;          /* device ID */
 249             ushort          sub_device_id;      /* sub device ID */
 250         } ctrtype;
 251         struct {
 252             unchar          version;            /* OS version */
 253             unchar          subversion;         /* OS subversion */
 254             ushort          revision;           /* revision */
 255         } osvers;
 256         struct {
 257             ushort          count;              /* controller count */
 258         } ctrcnt;
 259         struct {
 260             int             handle;
 261             unchar          evt[EVENT_SIZE];    /* event structure */
 262         } event;
 263         struct {
 264             unchar          bus;                /* SCSI bus, 0xff: invalid */
 265             unchar          target;             /* target ID */
 266             unchar          lun;                /* LUN */
 267             unchar          cluster_type;       /* cluster properties */
 268         } hdr_list[MAX_HDRIVES];                /* index is host drive number */
 269     } iu;
 270 } gdth_iord_str;
 271 #endif
 272
 273 /* GDTIOCTL_GENERAL */
 274 typedef struct {
 275     ushort ionode;                              /* controller number */
 276     ushort timeout;                             /* timeout */
 277     ulong32 info;                               /* error info */
 278     ushort status;                              /* status */
 279     ulong data_len;                             /* data buffer size */
 280     ulong sense_len;                            /* sense buffer size */
 281     gdth_cmd_str command;                       /* command */
 282 } gdth_ioctl_general;
 283
 284 /* GDTIOCTL_LOCKDRV */
 285 typedef struct {
 286     ushort ionode;                              /* controller number */
 287     unchar lock;                                /* lock/unlock */
 288     unchar drive_cnt;                           /* drive count */
 289     ushort drives[MAX_HDRIVES];                 /* drives */
 290 } gdth_ioctl_lockdrv;
 291
 292 /* GDTIOCTL_LOCKCHN */
 293 typedef struct {
 294     ushort ionode;                              /* controller number */
 295     unchar lock;                                /* lock/unlock */
 296     unchar channel;                             /* channel */
 297 } gdth_ioctl_lockchn;
 298
 299 /* GDTIOCTL_OSVERS */
 300 typedef struct {
 301     unchar version;                             /* OS version */
 302     unchar subversion;                          /* OS subversion */
 303     ushort revision;                            /* revision */
 304 } gdth_ioctl_osvers;
 305
 306 /* GDTIOCTL_CTRTYPE */
 307 typedef struct {
 308     ushort ionode;                              /* controller number */
 309     unchar type;                                /* controller type */
 310     ushort info;                                /* slot etc. */
 311     ushort oem_id;                              /* OEM ID */
 312     ushort bios_ver;                            /* not used */
 313     ushort access;                              /* not used */
 314     ushort ext_type;                            /* extended type */
 315     ushort device_id;                           /* device ID */
 316     ushort sub_device_id;                       /* sub device ID */
 317 } gdth_ioctl_ctrtype;
 318
 319 /* GDTIOCTL_EVENT */
 320 typedef struct {
 321     ushort ionode;
 322     int erase;                                  /* erase event? */
 323     int handle;                                 /* event handle */
 324     gdth_evt_str event;
 325 } gdth_ioctl_event;
 326
 327 /* GDTIOCTL_RESCAN/GDTIOCTL_HDRLIST */
 328 typedef struct {
 329     ushort ionode;                              /* controller number */
 330     unchar flag;                                /* add/remove */
 331     ushort hdr_no;                              /* drive no. */
 332     struct {
 333         unchar bus;                             /* SCSI bus */
 334         unchar target;                          /* target ID */
 335         unchar lun;                             /* LUN */
 336         unchar cluster_type;                    /* cluster properties */
 337     } hdr_list[MAX_HDRIVES];                    /* index is host drive number */
 338 } gdth_ioctl_rescan;
 339
 340 /* GDTIOCTL_RESET_BUS/GDTIOCTL_RESET_DRV */
 341 typedef struct {
 342     ushort ionode;                              /* controller number */
 343     ushort number;                              /* bus/host drive number */
 344     ushort status;                              /* status */
 345 } gdth_ioctl_reset;
 346
 347 #endif