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__ 37typedef u32 ulong32; 38typedef u64 ulong64; 39#endif 40 41#define PACKED __attribute__((packed)) 42 43/* scatter/gather element */ 44typedef struct { 45 ulong32 sg_ptr; /* address */ 46 ulong32 sg_len; /* length */ 47} PACKED gdth_sg_str; 48 49/* scatter/gather element - 64bit addresses */ 50typedef struct { 51 ulong64 sg_ptr; /* address */ 52 ulong32 sg_len; /* length */ 53} PACKED gdth_sg64_str; 54 55/* command structure */ 56typedef 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 144typedef 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 177typedef 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) */ 191typedef 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) */ 231typedef 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 */ 274typedef 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 */ 285typedef 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 */ 293typedef struct { 294 ushort ionode; /* controller number */ 295 unchar lock; /* lock/unlock */ 296 unchar channel; /* channel */ 297} gdth_ioctl_lockchn; 298 299/* GDTIOCTL_OSVERS */ 300typedef struct { 301 unchar version; /* OS version */ 302 unchar subversion; /* OS subversion */ 303 ushort revision; /* revision */ 304} gdth_ioctl_osvers; 305 306/* GDTIOCTL_CTRTYPE */ 307typedef 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 */ 320typedef 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 */ 328typedef 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 */ 341typedef struct { 342 ushort ionode; /* controller number */ 343 ushort number; /* bus/host drive number */ 344 ushort status; /* status */ 345} gdth_ioctl_reset; 346 347#endif 348