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 1.1.1.1 2005/04/11 02:50:36 jack 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 MAX_HDRIVES         100
  27
  28 /* IOCTL structure (write) */
  29 typedef struct {
  30     ulong32                 magic;              /* IOCTL magic */
  31     ushort                  ioctl;              /* IOCTL */
  32     ushort                  ionode;             /* controller number */
  33     ushort                  service;            /* controller service */
  34     ushort                  timeout;            /* timeout */
  35     union {
  36         struct {
  37             unchar          command[512];       /* controller command */
  38             unchar          data[1];            /* add. data */
  39         } general;
  40         struct {
  41             unchar          lock;               /* lock/unlock */
  42             unchar          drive_cnt;          /* drive count */
  43             ushort          drives[MAX_HDRIVES];/* drives */
  44         } lockdrv;
  45         struct {
  46             unchar          lock;               /* lock/unlock */
  47             unchar          channel;            /* channel */
  48         } lockchn;
  49         struct {
  50             int             erase;              /* erase event ? */
  51             int             handle;
  52             unchar          evt[EVENT_SIZE];    /* event structure */
  53         } event;
  54         struct {
  55             unchar          bus;                /* SCSI bus */
  56             unchar          target;             /* target ID */
  57             unchar          lun;                /* LUN */
  58             unchar          cmd_len;            /* command length */
  59             unchar          cmd[12];            /* SCSI command */
  60         } scsi;
  61         struct {
  62             ushort          hdr_no;             /* host drive number */
  63             unchar          flag;               /* old meth./add/remove */
  64         } rescan;
  65     } iu;
  66 } gdth_iowr_str;
  67
  68 /* IOCTL structure (read) */
  69 typedef struct {
  70     ulong32                 size;               /* buffer size */
  71     ulong32                 status;             /* IOCTL error code */
  72     union {
  73         struct {
  74             unchar          data[1];            /* data */
  75         } general;
  76         struct {
  77             ushort          version;            /* driver version */
  78         } drvers;
  79         struct {
  80             unchar          type;               /* controller type */
  81             ushort          info;               /* slot etc. */
  82             ushort          oem_id;             /* OEM ID */
  83             ushort          bios_ver;           /* not used */
  84             ushort          access;             /* not used */
  85             ushort          ext_type;           /* extended type */
  86             ushort          device_id;          /* device ID */
  87             ushort          sub_device_id;      /* sub device ID */
  88         } ctrtype;
  89         struct {
  90             unchar          version;            /* OS version */
  91             unchar          subversion;         /* OS subversion */
  92             ushort          revision;           /* revision */
  93         } osvers;
  94         struct {
  95             ushort          count;              /* controller count */
  96         } ctrcnt;
  97         struct {
  98             int             handle;
  99             unchar          evt[EVENT_SIZE];    /* event structure */
 100         } event;
 101         struct {
 102             unchar          bus;                /* SCSI bus, 0xff: invalid */
 103             unchar          target;             /* target ID */
 104             unchar          lun;                /* LUN */
 105             unchar          cluster_type;       /* cluster properties */
 106         } hdr_list[MAX_HDRIVES];                /* index is host drive number */
 107     } iu;
 108 } gdth_iord_str;
 109
 110
 111 #endif
 112