drivers/scsi/gdth_ioctl.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _GDTH_IOCTL_H
   3 #define _GDTH_IOCTL_H
   4
   5 /* gdth_ioctl.h
   6  * $Id: gdth_ioctl.h,v 1.14 2004/02/19 15:43:15 achim Exp $
   7  */
   8
   9 /* IOCTLs */
  10 #define GDTIOCTL_MASK       ('J'<<8)
  11 #define GDTIOCTL_GENERAL    (GDTIOCTL_MASK | 0) /* general IOCTL */
  12 #define GDTIOCTL_DRVERS     (GDTIOCTL_MASK | 1) /* get driver version */
  13 #define GDTIOCTL_CTRTYPE    (GDTIOCTL_MASK | 2) /* get controller type */
  14 #define GDTIOCTL_OSVERS     (GDTIOCTL_MASK | 3) /* get OS version */
  15 #define GDTIOCTL_HDRLIST    (GDTIOCTL_MASK | 4) /* get host drive list */
  16 #define GDTIOCTL_CTRCNT     (GDTIOCTL_MASK | 5) /* get controller count */
  17 #define GDTIOCTL_LOCKDRV    (GDTIOCTL_MASK | 6) /* lock host drive */
  18 #define GDTIOCTL_LOCKCHN    (GDTIOCTL_MASK | 7) /* lock channel */
  19 #define GDTIOCTL_EVENT      (GDTIOCTL_MASK | 8) /* read controller events */
  20 #define GDTIOCTL_SCSI       (GDTIOCTL_MASK | 9) /* SCSI command */
  21 #define GDTIOCTL_RESET_BUS  (GDTIOCTL_MASK |10) /* reset SCSI bus */
  22 #define GDTIOCTL_RESCAN     (GDTIOCTL_MASK |11) /* rescan host drives */
  23 #define GDTIOCTL_RESET_DRV  (GDTIOCTL_MASK |12) /* reset (remote) drv. res. */
  24
  25 #define GDTIOCTL_MAGIC  0xaffe0004
  26 #define EVENT_SIZE      294
  27 #define GDTH_MAXSG      32                      /* max. s/g elements */
  28
  29 #define MAX_LDRIVES     255                     /* max. log. drive count */
  30 #define MAX_HDRIVES     MAX_LDRIVES             /* max. host drive count */
  31
  32 /* scatter/gather element */
  33 typedef struct {
  34     u32     sg_ptr;                         /* address */
  35     u32     sg_len;                         /* length */
  36 } __attribute__((packed)) gdth_sg_str;
  37
  38 /* scatter/gather element - 64bit addresses */
  39 typedef struct {
  40     u64     sg_ptr;                         /* address */
  41     u32     sg_len;                         /* length */
  42 } __attribute__((packed)) gdth_sg64_str;
  43
  44 /* command structure */
  45 typedef struct {
  46     u32     BoardNode;                      /* board node (always 0) */
  47     u32     CommandIndex;                   /* command number */
  48     u16      OpCode;                         /* the command (READ,..) */
  49     union {
  50         struct {
  51             u16      DeviceNo;               /* number of cache drive */
  52             u32     BlockNo;                /* block number */
  53             u32     BlockCnt;               /* block count */
  54             u32     DestAddr;               /* dest. addr. (if s/g: -1) */
  55             u32     sg_canz;                /* s/g element count */
  56             gdth_sg_str sg_lst[GDTH_MAXSG];     /* s/g list */
  57         } __attribute__((packed)) cache;                         /* cache service cmd. str. */
  58         struct {
  59             u16      DeviceNo;               /* number of cache drive */
  60             u64     BlockNo;                /* block number */
  61             u32     BlockCnt;               /* block count */
  62             u64     DestAddr;               /* dest. addr. (if s/g: -1) */
  63             u32     sg_canz;                /* s/g element count */
  64             gdth_sg64_str sg_lst[GDTH_MAXSG];   /* s/g list */
  65         } __attribute__((packed)) cache64;                       /* cache service cmd. str. */
  66         struct {
  67             u16      param_size;             /* size of p_param buffer */
  68             u32     subfunc;                /* IOCTL function */
  69             u32     channel;                /* device */
  70             u64     p_param;                /* buffer */
  71         } __attribute__((packed)) ioctl;                         /* IOCTL command structure */
  72         struct {
  73             u16      reserved;
  74             union {
  75                 struct {
  76                     u32  msg_handle;        /* message handle */
  77                     u64  msg_addr;          /* message buffer address */
  78                 } __attribute__((packed)) msg;
  79                 u8       data[12];          /* buffer for rtc data, ... */
  80             } su;
  81         } __attribute__((packed)) screen;                        /* screen service cmd. str. */
  82         struct {
  83             u16      reserved;
  84             u32     direction;              /* data direction */
  85             u32     mdisc_time;             /* disc. time (0: no timeout)*/
  86             u32     mcon_time;              /* connect time(0: no to.) */
  87             u32     sdata;                  /* dest. addr. (if s/g: -1) */
  88             u32     sdlen;                  /* data length (bytes) */
  89             u32     clen;                   /* SCSI cmd. length(6,10,12) */
  90             u8      cmd[12];                /* SCSI command */
  91             u8      target;                 /* target ID */
  92             u8      lun;                    /* LUN */
  93             u8      bus;                    /* SCSI bus number */
  94             u8      priority;               /* only 0 used */
  95             u32     sense_len;              /* sense data length */
  96             u32     sense_data;             /* sense data addr. */
  97             u32     link_p;                 /* linked cmds (not supp.) */
  98             u32     sg_ranz;                /* s/g element count */
  99             gdth_sg_str sg_lst[GDTH_MAXSG];     /* s/g list */
 100         } __attribute__((packed)) raw;                           /* raw service cmd. struct. */
 101         struct {
 102             u16      reserved;
 103             u32     direction;              /* data direction */
 104             u32     mdisc_time;             /* disc. time (0: no timeout)*/
 105             u32     mcon_time;              /* connect time(0: no to.) */
 106             u64     sdata;                  /* dest. addr. (if s/g: -1) */
 107             u32     sdlen;                  /* data length (bytes) */
 108             u32     clen;                   /* SCSI cmd. length(6,..,16) */
 109             u8      cmd[16];                /* SCSI command */
 110             u8      target;                 /* target ID */
 111             u8      lun;                    /* LUN */
 112             u8      bus;                    /* SCSI bus number */
 113             u8      priority;               /* only 0 used */
 114             u32     sense_len;              /* sense data length */
 115             u64     sense_data;             /* sense data addr. */
 116             u32     sg_ranz;                /* s/g element count */
 117             gdth_sg64_str sg_lst[GDTH_MAXSG];   /* s/g list */
 118         } __attribute__((packed)) raw64;                         /* raw service cmd. struct. */
 119     } u;
 120     /* additional variables */
 121     u8      Service;                        /* controller service */
 122     u8      reserved;
 123     u16      Status;                         /* command result */
 124     u32     Info;                           /* additional information */
 125     void        *RequestBuffer;                 /* request buffer */
 126 } __attribute__((packed)) gdth_cmd_str;
 127
 128 /* controller event structure */
 129 #define ES_ASYNC    1
 130 #define ES_DRIVER   2
 131 #define ES_TEST     3
 132 #define ES_SYNC     4
 133 typedef struct {
 134     u16                  size;               /* size of structure */
 135     union {
 136         char                stream[16];
 137         struct {
 138             u16          ionode;
 139             u16          service;
 140             u32         index;
 141         } __attribute__((packed)) driver;
 142         struct {
 143             u16          ionode;
 144             u16          service;
 145             u16          status;
 146             u32         info;
 147             u8          scsi_coord[3];
 148         } __attribute__((packed)) async;
 149         struct {
 150             u16          ionode;
 151             u16          service;
 152             u16          status;
 153             u32         info;
 154             u16          hostdrive;
 155             u8          scsi_coord[3];
 156             u8          sense_key;
 157         } __attribute__((packed)) sync;
 158         struct {
 159             u32         l1, l2, l3, l4;
 160         } __attribute__((packed)) test;
 161     } eu;
 162     u32                 severity;
 163     u8                  event_string[256];
 164 } __attribute__((packed)) gdth_evt_data;
 165
 166 typedef struct {
 167     u32         first_stamp;
 168     u32         last_stamp;
 169     u16          same_count;
 170     u16          event_source;
 171     u16          event_idx;
 172     u8          application;
 173     u8          reserved;
 174     gdth_evt_data   event_data;
 175 } __attribute__((packed)) gdth_evt_str;
 176
 177 /* GDTIOCTL_GENERAL */
 178 typedef struct {
 179     u16 ionode;                              /* controller number */
 180     u16 timeout;                             /* timeout */
 181     u32 info;                               /* error info */
 182     u16 status;                              /* status */
 183     unsigned long data_len;                             /* data buffer size */
 184     unsigned long sense_len;                            /* sense buffer size */
 185     gdth_cmd_str command;                       /* command */
 186 } gdth_ioctl_general;
 187
 188 /* GDTIOCTL_LOCKDRV */
 189 typedef struct {
 190     u16 ionode;                              /* controller number */
 191     u8 lock;                                /* lock/unlock */
 192     u8 drive_cnt;                           /* drive count */
 193     u16 drives[MAX_HDRIVES];                 /* drives */
 194 } gdth_ioctl_lockdrv;
 195
 196 /* GDTIOCTL_LOCKCHN */
 197 typedef struct {
 198     u16 ionode;                              /* controller number */
 199     u8 lock;                                /* lock/unlock */
 200     u8 channel;                             /* channel */
 201 } gdth_ioctl_lockchn;
 202
 203 /* GDTIOCTL_OSVERS */
 204 typedef struct {
 205     u8 version;                             /* OS version */
 206     u8 subversion;                          /* OS subversion */
 207     u16 revision;                            /* revision */
 208 } gdth_ioctl_osvers;
 209
 210 /* GDTIOCTL_CTRTYPE */
 211 typedef struct {
 212     u16 ionode;                              /* controller number */
 213     u8 type;                                /* controller type */
 214     u16 info;                                /* slot etc. */
 215     u16 oem_id;                              /* OEM ID */
 216     u16 bios_ver;                            /* not used */
 217     u16 access;                              /* not used */
 218     u16 ext_type;                            /* extended type */
 219     u16 device_id;                           /* device ID */
 220     u16 sub_device_id;                       /* sub device ID */
 221 } gdth_ioctl_ctrtype;
 222
 223 /* GDTIOCTL_EVENT */
 224 typedef struct {
 225     u16 ionode;
 226     int erase;                                  /* erase event? */
 227     int handle;                                 /* event handle */
 228     gdth_evt_str event;
 229 } gdth_ioctl_event;
 230
 231 /* GDTIOCTL_RESCAN/GDTIOCTL_HDRLIST */
 232 typedef struct {
 233     u16 ionode;                              /* controller number */
 234     u8 flag;                                /* add/remove */
 235     u16 hdr_no;                              /* drive no. */
 236     struct {
 237         u8 bus;                             /* SCSI bus */
 238         u8 target;                          /* target ID */
 239         u8 lun;                             /* LUN */
 240         u8 cluster_type;                    /* cluster properties */
 241     } hdr_list[MAX_HDRIVES];                    /* index is host drive number */
 242 } gdth_ioctl_rescan;
 243
 244 /* GDTIOCTL_RESET_BUS/GDTIOCTL_RESET_DRV */
 245 typedef struct {
 246     u16 ionode;                              /* controller number */
 247     u16 number;                              /* bus/host drive number */
 248     u16 status;                              /* status */
 249 } gdth_ioctl_reset;
 250
 251 #endif