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 #ifdef GDTH_IOCTL_PROC 31 #define MAX_HDRIVES 100 /* max. host drive count */ 32 #else 33 #define MAX_HDRIVES MAX_LDRIVES /* max. host drive count */ 34 #endif 35 36 /* scatter/gather element */ 37 typedef struct { 38 u32 sg_ptr; /* address */ 39 u32 sg_len; /* length */ 40 } __attribute__((packed)) gdth_sg_str; 41 42 /* scatter/gather element - 64bit addresses */ 43 typedef struct { 44 u64 sg_ptr; /* address */ 45 u32 sg_len; /* length */ 46 } __attribute__((packed)) gdth_sg64_str; 47 48 /* command structure */ 49 typedef struct { 50 u32 BoardNode; /* board node (always 0) */ 51 u32 CommandIndex; /* command number */ 52 u16 OpCode; /* the command (READ,..) */ 53 union { 54 struct { 55 u16 DeviceNo; /* number of cache drive */ 56 u32 BlockNo; /* block number */ 57 u32 BlockCnt; /* block count */ 58 u32 DestAddr; /* dest. addr. (if s/g: -1) */ 59 u32 sg_canz; /* s/g element count */ 60 gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */ 61 } __attribute__((packed)) cache; /* cache service cmd. str. */ 62 struct { 63 u16 DeviceNo; /* number of cache drive */ 64 u64 BlockNo; /* block number */ 65 u32 BlockCnt; /* block count */ 66 u64 DestAddr; /* dest. addr. (if s/g: -1) */ 67 u32 sg_canz; /* s/g element count */ 68 gdth_sg64_str sg_lst[GDTH_MAXSG]; /* s/g list */ 69 } __attribute__((packed)) cache64; /* cache service cmd. str. */ 70 struct { 71 u16 param_size; /* size of p_param buffer */ 72 u32 subfunc; /* IOCTL function */ 73 u32 channel; /* device */ 74 u64 p_param; /* buffer */ 75 } __attribute__((packed)) ioctl; /* IOCTL command structure */ 76 struct { 77 u16 reserved; 78 union { 79 struct { 80 u32 msg_handle; /* message handle */ 81 u64 msg_addr; /* message buffer address */ 82 } __attribute__((packed)) msg; 83 u8 data[12]; /* buffer for rtc data, ... */ 84 } su; 85 } __attribute__((packed)) screen; /* screen service cmd. str. */ 86 struct { 87 u16 reserved; 88 u32 direction; /* data direction */ 89 u32 mdisc_time; /* disc. time (0: no timeout)*/ 90 u32 mcon_time; /* connect time(0: no to.) */ 91 u32 sdata; /* dest. addr. (if s/g: -1) */ 92 u32 sdlen; /* data length (bytes) */ 93 u32 clen; /* SCSI cmd. length(6,10,12) */ 94 u8 cmd[12]; /* SCSI command */ 95 u8 target; /* target ID */ 96 u8 lun; /* LUN */ 97 u8 bus; /* SCSI bus number */ 98 u8 priority; /* only 0 used */ 99 u32 sense_len; /* sense data length */ 100 u32 sense_data; /* sense data addr. */ 101 u32 link_p; /* linked cmds (not supp.) */ 102 u32 sg_ranz; /* s/g element count */ 103 gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */ 104 } __attribute__((packed)) raw; /* raw service cmd. struct. */ 105 struct { 106 u16 reserved; 107 u32 direction; /* data direction */ 108 u32 mdisc_time; /* disc. time (0: no timeout)*/ 109 u32 mcon_time; /* connect time(0: no to.) */ 110 u64 sdata; /* dest. addr. (if s/g: -1) */ 111 u32 sdlen; /* data length (bytes) */ 112 u32 clen; /* SCSI cmd. length(6,..,16) */ 113 u8 cmd[16]; /* SCSI command */ 114 u8 target; /* target ID */ 115 u8 lun; /* LUN */ 116 u8 bus; /* SCSI bus number */ 117 u8 priority; /* only 0 used */ 118 u32 sense_len; /* sense data length */ 119 u64 sense_data; /* sense data addr. */ 120 u32 sg_ranz; /* s/g element count */ 121 gdth_sg64_str sg_lst[GDTH_MAXSG]; /* s/g list */ 122 } __attribute__((packed)) raw64; /* raw service cmd. struct. */ 123 } u; 124 /* additional variables */ 125 u8 Service; /* controller service */ 126 u8 reserved; 127 u16 Status; /* command result */ 128 u32 Info; /* additional information */ 129 void *RequestBuffer; /* request buffer */ 130 } __attribute__((packed)) gdth_cmd_str; 131 132 /* controller event structure */ 133 #define ES_ASYNC 1 134 #define ES_DRIVER 2 135 #define ES_TEST 3 136 #define ES_SYNC 4 137 typedef struct { 138 u16 size; /* size of structure */ 139 union { 140 char stream[16]; 141 struct { 142 u16 ionode; 143 u16 service; 144 u32 index; 145 } __attribute__((packed)) driver; 146 struct { 147 u16 ionode; 148 u16 service; 149 u16 status; 150 u32 info; 151 u8 scsi_coord[3]; 152 } __attribute__((packed)) async; 153 struct { 154 u16 ionode; 155 u16 service; 156 u16 status; 157 u32 info; 158 u16 hostdrive; 159 u8 scsi_coord[3]; 160 u8 sense_key; 161 } __attribute__((packed)) sync; 162 struct { 163 u32 l1, l2, l3, l4; 164 } __attribute__((packed)) test; 165 } eu; 166 u32 severity; 167 u8 event_string[256]; 168 } __attribute__((packed)) gdth_evt_data; 169 170 typedef struct { 171 u32 first_stamp; 172 u32 last_stamp; 173 u16 same_count; 174 u16 event_source; 175 u16 event_idx; 176 u8 application; 177 u8 reserved; 178 gdth_evt_data event_data; 179 } __attribute__((packed)) gdth_evt_str; 180 181 182 #ifdef GDTH_IOCTL_PROC 183 /* IOCTL structure (write) */ 184 typedef struct { 185 u32 magic; /* IOCTL magic */ 186 u16 ioctl; /* IOCTL */ 187 u16 ionode; /* controller number */ 188 u16 service; /* controller service */ 189 u16 timeout; /* timeout */ 190 union { 191 struct { 192 u8 command[512]; /* controller command */ 193 u8 data[1]; /* add. data */ 194 } general; 195 struct { 196 u8 lock; /* lock/unlock */ 197 u8 drive_cnt; /* drive count */ 198 u16 drives[MAX_HDRIVES];/* drives */ 199 } lockdrv; 200 struct { 201 u8 lock; /* lock/unlock */ 202 u8 channel; /* channel */ 203 } lockchn; 204 struct { 205 int erase; /* erase event ? */ 206 int handle; 207 u8 evt[EVENT_SIZE]; /* event structure */ 208 } event; 209 struct { 210 u8 bus; /* SCSI bus */ 211 u8 target; /* target ID */ 212 u8 lun; /* LUN */ 213 u8 cmd_len; /* command length */ 214 u8 cmd[12]; /* SCSI command */ 215 } scsi; 216 struct { 217 u16 hdr_no; /* host drive number */ 218 u8 flag; /* old meth./add/remove */ 219 } rescan; 220 } iu; 221 } gdth_iowr_str; 222 223 /* IOCTL structure (read) */ 224 typedef struct { 225 u32 size; /* buffer size */ 226 u32 status; /* IOCTL error code */ 227 union { 228 struct { 229 u8 data[1]; /* data */ 230 } general; 231 struct { 232 u16 version; /* driver version */ 233 } drvers; 234 struct { 235 u8 type; /* controller type */ 236 u16 info; /* slot etc. */ 237 u16 oem_id; /* OEM ID */ 238 u16 bios_ver; /* not used */ 239 u16 access; /* not used */ 240 u16 ext_type; /* extended type */ 241 u16 device_id; /* device ID */ 242 u16 sub_device_id; /* sub device ID */ 243 } ctrtype; 244 struct { 245 u8 version; /* OS version */ 246 u8 subversion; /* OS subversion */ 247 u16 revision; /* revision */ 248 } osvers; 249 struct { 250 u16 count; /* controller count */ 251 } ctrcnt; 252 struct { 253 int handle; 254 u8 evt[EVENT_SIZE]; /* event structure */ 255 } event; 256 struct { 257 u8 bus; /* SCSI bus, 0xff: invalid */ 258 u8 target; /* target ID */ 259 u8 lun; /* LUN */ 260 u8 cluster_type; /* cluster properties */ 261 } hdr_list[MAX_HDRIVES]; /* index is host drive number */ 262 } iu; 263 } gdth_iord_str; 264 #endif 265 266 /* GDTIOCTL_GENERAL */ 267 typedef struct { 268 u16 ionode; /* controller number */ 269 u16 timeout; /* timeout */ 270 u32 info; /* error info */ 271 u16 status; /* status */ 272 unsigned long data_len; /* data buffer size */ 273 unsigned long sense_len; /* sense buffer size */ 274 gdth_cmd_str command; /* command */ 275 } gdth_ioctl_general; 276 277 /* GDTIOCTL_LOCKDRV */ 278 typedef struct { 279 u16 ionode; /* controller number */ 280 u8 lock; /* lock/unlock */ 281 u8 drive_cnt; /* drive count */ 282 u16 drives[MAX_HDRIVES]; /* drives */ 283 } gdth_ioctl_lockdrv; 284 285 /* GDTIOCTL_LOCKCHN */ 286 typedef struct { 287 u16 ionode; /* controller number */ 288 u8 lock; /* lock/unlock */ 289 u8 channel; /* channel */ 290 } gdth_ioctl_lockchn; 291 292 /* GDTIOCTL_OSVERS */ 293 typedef struct { 294 u8 version; /* OS version */ 295 u8 subversion; /* OS subversion */ 296 u16 revision; /* revision */ 297 } gdth_ioctl_osvers; 298 299 /* GDTIOCTL_CTRTYPE */ 300 typedef struct { 301 u16 ionode; /* controller number */ 302 u8 type; /* controller type */ 303 u16 info; /* slot etc. */ 304 u16 oem_id; /* OEM ID */ 305 u16 bios_ver; /* not used */ 306 u16 access; /* not used */ 307 u16 ext_type; /* extended type */ 308 u16 device_id; /* device ID */ 309 u16 sub_device_id; /* sub device ID */ 310 } gdth_ioctl_ctrtype; 311 312 /* GDTIOCTL_EVENT */ 313 typedef struct { 314 u16 ionode; 315 int erase; /* erase event? */ 316 int handle; /* event handle */ 317 gdth_evt_str event; 318 } gdth_ioctl_event; 319 320 /* GDTIOCTL_RESCAN/GDTIOCTL_HDRLIST */ 321 typedef struct { 322 u16 ionode; /* controller number */ 323 u8 flag; /* add/remove */ 324 u16 hdr_no; /* drive no. */ 325 struct { 326 u8 bus; /* SCSI bus */ 327 u8 target; /* target ID */ 328 u8 lun; /* LUN */ 329 u8 cluster_type; /* cluster properties */ 330 } hdr_list[MAX_HDRIVES]; /* index is host drive number */ 331 } gdth_ioctl_rescan; 332 333 /* GDTIOCTL_RESET_BUS/GDTIOCTL_RESET_DRV */ 334 typedef struct { 335 u16 ionode; /* controller number */ 336 u16 number; /* bus/host drive number */ 337 u16 status; /* status */ 338 } gdth_ioctl_reset; 339 340 #endif 341
