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/* scatter/gather element */ 36typedef struct { 37 u32 sg_ptr; /* address */ 38 u32 sg_len; /* length */ 39} __attribute__((packed)) gdth_sg_str; 40 41/* scatter/gather element - 64bit addresses */ 42typedef struct { 43 u64 sg_ptr; /* address */ 44 u32 sg_len; /* length */ 45} __attribute__((packed)) gdth_sg64_str; 46 47/* command structure */ 48typedef struct { 49 u32 BoardNode; /* board node (always 0) */ 50 u32 CommandIndex; /* command number */ 51 u16 OpCode; /* the command (READ,..) */ 52 union { 53 struct { 54 u16 DeviceNo; /* number of cache drive */ 55 u32 BlockNo; /* block number */ 56 u32 BlockCnt; /* block count */ 57 u32 DestAddr; /* dest. addr. (if s/g: -1) */ 58 u32 sg_canz; /* s/g element count */ 59 gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */ 60 } __attribute__((packed)) cache; /* cache service cmd. str. */ 61 struct { 62 u16 DeviceNo; /* number of cache drive */ 63 u64 BlockNo; /* block number */ 64 u32 BlockCnt; /* block count */ 65 u64 DestAddr; /* dest. addr. (if s/g: -1) */ 66 u32 sg_canz; /* s/g element count */ 67 gdth_sg64_str sg_lst[GDTH_MAXSG]; /* s/g list */ 68 } __attribute__((packed)) cache64; /* cache service cmd. str. */ 69 struct { 70 u16 param_size; /* size of p_param buffer */ 71 u32 subfunc; /* IOCTL function */ 72 u32 channel; /* device */ 73 u64 p_param; /* buffer */ 74 } __attribute__((packed)) ioctl; /* IOCTL command structure */ 75 struct { 76 u16 reserved; 77 union { 78 struct { 79 u32 msg_handle; /* message handle */ 80 u64 msg_addr; /* message buffer address */ 81 } __attribute__((packed)) msg; 82 u8 data[12]; /* buffer for rtc data, ... */ 83 } su; 84 } __attribute__((packed)) screen; /* screen service cmd. str. */ 85 struct { 86 u16 reserved; 87 u32 direction; /* data direction */ 88 u32 mdisc_time; /* disc. time (0: no timeout)*/ 89 u32 mcon_time; /* connect time(0: no to.) */ 90 u32 sdata; /* dest. addr. (if s/g: -1) */ 91 u32 sdlen; /* data length (bytes) */ 92 u32 clen; /* SCSI cmd. length(6,10,12) */ 93 u8 cmd[12]; /* SCSI command */ 94 u8 target; /* target ID */ 95 u8 lun; /* LUN */ 96 u8 bus; /* SCSI bus number */ 97 u8 priority; /* only 0 used */ 98 u32 sense_len; /* sense data length */ 99 u32 sense_data; /* sense data addr. */ 100 u32 link_p; /* linked cmds (not supp.) */ 101 u32 sg_ranz; /* s/g element count */ 102 gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */ 103 } __attribute__((packed)) raw; /* raw service cmd. struct. */ 104 struct { 105 u16 reserved; 106 u32 direction; /* data direction */ 107 u32 mdisc_time; /* disc. time (0: no timeout)*/ 108 u32 mcon_time; /* connect time(0: no to.) */ 109 u64 sdata; /* dest. addr. (if s/g: -1) */ 110 u32 sdlen; /* data length (bytes) */ 111 u32 clen; /* SCSI cmd. length(6,..,16) */ 112 u8 cmd[16]; /* SCSI command */ 113 u8 target; /* target ID */ 114 u8 lun; /* LUN */ 115 u8 bus; /* SCSI bus number */ 116 u8 priority; /* only 0 used */ 117 u32 sense_len; /* sense data length */ 118 u64 sense_data; /* sense data addr. */ 119 u32 sg_ranz; /* s/g element count */ 120 gdth_sg64_str sg_lst[GDTH_MAXSG]; /* s/g list */ 121 } __attribute__((packed)) raw64; /* raw service cmd. struct. */ 122 } u; 123 /* additional variables */ 124 u8 Service; /* controller service */ 125 u8 reserved; 126 u16 Status; /* command result */ 127 u32 Info; /* additional information */ 128 void *RequestBuffer; /* request buffer */ 129} __attribute__((packed)) gdth_cmd_str; 130 131/* controller event structure */ 132#define ES_ASYNC 1 133#define ES_DRIVER 2 134#define ES_TEST 3 135#define ES_SYNC 4 136typedef struct { 137 u16 size; /* size of structure */ 138 union { 139 char stream[16]; 140 struct { 141 u16 ionode; 142 u16 service; 143 u32 index; 144 } __attribute__((packed)) driver; 145 struct { 146 u16 ionode; 147 u16 service; 148 u16 status; 149 u32 info; 150 u8 scsi_coord[3]; 151 } __attribute__((packed)) async; 152 struct { 153 u16 ionode; 154 u16 service; 155 u16 status; 156 u32 info; 157 u16 hostdrive; 158 u8 scsi_coord[3]; 159 u8 sense_key; 160 } __attribute__((packed)) sync; 161 struct { 162 u32 l1, l2, l3, l4; 163 } __attribute__((packed)) test; 164 } eu; 165 u32 severity; 166 u8 event_string[256]; 167} __attribute__((packed)) gdth_evt_data; 168 169typedef struct { 170 u32 first_stamp; 171 u32 last_stamp; 172 u16 same_count; 173 u16 event_source; 174 u16 event_idx; 175 u8 application; 176 u8 reserved; 177 gdth_evt_data event_data; 178} __attribute__((packed)) gdth_evt_str; 179 180 181#ifdef GDTH_IOCTL_PROC 182/* IOCTL structure (write) */ 183typedef struct { 184 u32 magic; /* IOCTL magic */ 185 u16 ioctl; /* IOCTL */ 186 u16 ionode; /* controller number */ 187 u16 service; /* controller service */ 188 u16 timeout; /* timeout */ 189 union { 190 struct { 191 u8 command[512]; /* controller command */ 192 u8 data[1]; /* add. data */ 193 } general; 194 struct { 195 u8 lock; /* lock/unlock */ 196 u8 drive_cnt; /* drive count */ 197 u16 drives[MAX_HDRIVES];/* drives */ 198 } lockdrv; 199 struct { 200 u8 lock; /* lock/unlock */ 201 u8 channel; /* channel */ 202 } lockchn; 203 struct { 204 int erase; /* erase event ? */ 205 int handle; 206 u8 evt[EVENT_SIZE]; /* event structure */ 207 } event; 208 struct { 209 u8 bus; /* SCSI bus */ 210 u8 target; /* target ID */ 211 u8 lun; /* LUN */ 212 u8 cmd_len; /* command length */ 213 u8 cmd[12]; /* SCSI command */ 214 } scsi; 215 struct { 216 u16 hdr_no; /* host drive number */ 217 u8 flag; /* old meth./add/remove */ 218 } rescan; 219 } iu; 220} gdth_iowr_str; 221 222/* IOCTL structure (read) */ 223typedef struct { 224 u32 size; /* buffer size */ 225 u32 status; /* IOCTL error code */ 226 union { 227 struct { 228 u8 data[1]; /* data */ 229 } general; 230 struct { 231 u16 version; /* driver version */ 232 } drvers; 233 struct { 234 u8 type; /* controller type */ 235 u16 info; /* slot etc. */ 236 u16 oem_id; /* OEM ID */ 237 u16 bios_ver; /* not used */ 238 u16 access; /* not used */ 239 u16 ext_type; /* extended type */ 240 u16 device_id; /* device ID */ 241 u16 sub_device_id; /* sub device ID */ 242 } ctrtype; 243 struct { 244 u8 version; /* OS version */ 245 u8 subversion; /* OS subversion */ 246 u16 revision; /* revision */ 247 } osvers; 248 struct { 249 u16 count; /* controller count */ 250 } ctrcnt; 251 struct { 252 int handle; 253 u8 evt[EVENT_SIZE]; /* event structure */ 254 } event; 255 struct { 256 u8 bus; /* SCSI bus, 0xff: invalid */ 257 u8 target; /* target ID */ 258 u8 lun; /* LUN */ 259 u8 cluster_type; /* cluster properties */ 260 } hdr_list[MAX_HDRIVES]; /* index is host drive number */ 261 } iu; 262} gdth_iord_str; 263#endif 264 265/* GDTIOCTL_GENERAL */ 266typedef struct { 267 u16 ionode; /* controller number */ 268 u16 timeout; /* timeout */ 269 u32 info; /* error info */ 270 u16 status; /* status */ 271 unsigned long data_len; /* data buffer size */ 272 unsigned long sense_len; /* sense buffer size */ 273 gdth_cmd_str command; /* command */ 274} gdth_ioctl_general; 275 276/* GDTIOCTL_LOCKDRV */ 277typedef struct { 278 u16 ionode; /* controller number */ 279 u8 lock; /* lock/unlock */ 280 u8 drive_cnt; /* drive count */ 281 u16 drives[MAX_HDRIVES]; /* drives */ 282} gdth_ioctl_lockdrv; 283 284/* GDTIOCTL_LOCKCHN */ 285typedef struct { 286 u16 ionode; /* controller number */ 287 u8 lock; /* lock/unlock */ 288 u8 channel; /* channel */ 289} gdth_ioctl_lockchn; 290 291/* GDTIOCTL_OSVERS */ 292typedef struct { 293 u8 version; /* OS version */ 294 u8 subversion; /* OS subversion */ 295 u16 revision; /* revision */ 296} gdth_ioctl_osvers; 297 298/* GDTIOCTL_CTRTYPE */ 299typedef struct { 300 u16 ionode; /* controller number */ 301 u8 type; /* controller type */ 302 u16 info; /* slot etc. */ 303 u16 oem_id; /* OEM ID */ 304 u16 bios_ver; /* not used */ 305 u16 access; /* not used */ 306 u16 ext_type; /* extended type */ 307 u16 device_id; /* device ID */ 308 u16 sub_device_id; /* sub device ID */ 309} gdth_ioctl_ctrtype; 310 311/* GDTIOCTL_EVENT */ 312typedef struct { 313 u16 ionode; 314 int erase; /* erase event? */ 315 int handle; /* event handle */ 316 gdth_evt_str event; 317} gdth_ioctl_event; 318 319/* GDTIOCTL_RESCAN/GDTIOCTL_HDRLIST */ 320typedef struct { 321 u16 ionode; /* controller number */ 322 u8 flag; /* add/remove */ 323 u16 hdr_no; /* drive no. */ 324 struct { 325 u8 bus; /* SCSI bus */ 326 u8 target; /* target ID */ 327 u8 lun; /* LUN */ 328 u8 cluster_type; /* cluster properties */ 329 } hdr_list[MAX_HDRIVES]; /* index is host drive number */ 330} gdth_ioctl_rescan; 331 332/* GDTIOCTL_RESET_BUS/GDTIOCTL_RESET_DRV */ 333typedef struct { 334 u16 ionode; /* controller number */ 335 u16 number; /* bus/host drive number */ 336 u16 status; /* status */ 337} gdth_ioctl_reset; 338 339#endif 340