1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 #ifndef _SCSI_I2O_H 3 #define _SCSI_I2O_H 4 5 /* I2O kernel space accessible structures/APIs 6 * 7 * (c) Copyright 1999, 2000 Red Hat Software 8 * 9 ************************************************************************* 10 * 11 * This header file defined the I2O APIs/structures for use by 12 * the I2O kernel modules. 13 */ 14 15 #ifdef __KERNEL__ /* This file to be included by kernel only */ 16 17 #include <linux/i2o-dev.h> 18 19 #include <linux/notifier.h> 20 #include <linux/atomic.h> 21 22 23 /* 24 * Tunable parameters first 25 */ 26 27 /* How many different OSM's are we allowing */ 28 #define MAX_I2O_MODULES 64 29 30 #define I2O_EVT_CAPABILITY_OTHER 0x01 31 #define I2O_EVT_CAPABILITY_CHANGED 0x02 32 33 #define I2O_EVT_SENSOR_STATE_CHANGED 0x01 34 35 //#ifdef __KERNEL__ /* ioctl stuff only thing exported to users */ 36 37 #define I2O_MAX_MANAGERS 4 38 39 /* 40 * I2O Interface Objects 41 */ 42 43 #include <linux/wait.h> 44 typedef wait_queue_head_t adpt_wait_queue_head_t; 45 #define ADPT_DECLARE_WAIT_QUEUE_HEAD(wait) DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wait) 46 typedef wait_queue_entry_t adpt_wait_queue_entry_t; 47 48 /* 49 * message structures 50 */ 51 52 struct i2o_message 53 { 54 u8 version_offset; 55 u8 flags; 56 u16 size; 57 u32 target_tid:12; 58 u32 init_tid:12; 59 u32 function:8; 60 u32 initiator_context; 61 /* List follows */ 62 }; 63 64 struct adpt_device; 65 struct _adpt_hba; 66 struct i2o_device 67 { 68 struct i2o_device *next; /* Chain */ 69 struct i2o_device *prev; 70 71 char dev_name[8]; /* linux /dev name if available */ 72 i2o_lct_entry lct_data;/* Device LCT information */ 73 u32 flags; 74 struct proc_dir_entry* proc_entry; /* /proc dir */ 75 struct adpt_device *owner; 76 struct _adpt_hba *controller; /* Controlling IOP */ 77 }; 78 79 /* 80 * Each I2O controller has one of these objects 81 */ 82 83 struct i2o_controller 84 { 85 char name[16]; 86 int unit; 87 int type; 88 int enabled; 89 90 struct notifier_block *event_notifer; /* Events */ 91 atomic_t users; 92 struct i2o_device *devices; /* I2O device chain */ 93 struct i2o_controller *next; /* Controller chain */ 94 95 }; 96 97 /* 98 * I2O System table entry 99 */ 100 struct i2o_sys_tbl_entry 101 { 102 u16 org_id; 103 u16 reserved1; 104 u32 iop_id:12; 105 u32 reserved2:20; 106 u16 seg_num:12; 107 u16 i2o_version:4; 108 u8 iop_state; 109 u8 msg_type; 110 u16 frame_size; 111 u16 reserved3; 112 u32 last_changed; 113 u32 iop_capabilities; 114 u32 inbound_low; 115 u32 inbound_high; 116 }; 117 118 struct i2o_sys_tbl 119 { 120 u8 num_entries; 121 u8 version; 122 u16 reserved1; 123 u32 change_ind; 124 u32 reserved2; 125 u32 reserved3; 126 struct i2o_sys_tbl_entry iops[]; 127 }; 128 129 /* 130 * I2O classes / subclasses 131 */ 132 133 /* Class ID and Code Assignments 134 * (LCT.ClassID.Version field) 135 */ 136 #define I2O_CLASS_VERSION_10 0x00 137 #define I2O_CLASS_VERSION_11 0x01 138 139 /* Class code names 140 * (from v1.5 Table 6-1 Class Code Assignments.) 141 */ 142 143 #define I2O_CLASS_EXECUTIVE 0x000 144 #define I2O_CLASS_DDM 0x001 145 #define I2O_CLASS_RANDOM_BLOCK_STORAGE 0x010 146 #define I2O_CLASS_SEQUENTIAL_STORAGE 0x011 147 #define I2O_CLASS_LAN 0x020 148 #define I2O_CLASS_WAN 0x030 149 #define I2O_CLASS_FIBRE_CHANNEL_PORT 0x040 150 #define I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL 0x041 151 #define I2O_CLASS_SCSI_PERIPHERAL 0x051 152 #define I2O_CLASS_ATE_PORT 0x060 153 #define I2O_CLASS_ATE_PERIPHERAL 0x061 154 #define I2O_CLASS_FLOPPY_CONTROLLER 0x070 155 #define I2O_CLASS_FLOPPY_DEVICE 0x071 156 #define I2O_CLASS_BUS_ADAPTER_PORT 0x080 157 #define I2O_CLASS_PEER_TRANSPORT_AGENT 0x090 158 #define I2O_CLASS_PEER_TRANSPORT 0x091 159 160 /* Rest of 0x092 - 0x09f reserved for peer-to-peer classes 161 */ 162 163 #define I2O_CLASS_MATCH_ANYCLASS 0xffffffff 164 165 /* Subclasses 166 */ 167 168 #define I2O_SUBCLASS_i960 0x001 169 #define I2O_SUBCLASS_HDM 0x020 170 #define I2O_SUBCLASS_ISM 0x021 171 172 /* Operation functions */ 173 174 #define I2O_PARAMS_FIELD_GET 0x0001 175 #define I2O_PARAMS_LIST_GET 0x0002 176 #define I2O_PARAMS_MORE_GET 0x0003 177 #define I2O_PARAMS_SIZE_GET 0x0004 178 #define I2O_PARAMS_TABLE_GET 0x0005 179 #define I2O_PARAMS_FIELD_SET 0x0006 180 #define I2O_PARAMS_LIST_SET 0x0007 181 #define I2O_PARAMS_ROW_ADD 0x0008 182 #define I2O_PARAMS_ROW_DELETE 0x0009 183 #define I2O_PARAMS_TABLE_CLEAR 0x000A 184 185 /* 186 * I2O serial number conventions / formats 187 * (circa v1.5) 188 */ 189 190 #define I2O_SNFORMAT_UNKNOWN 0 191 #define I2O_SNFORMAT_BINARY 1 192 #define I2O_SNFORMAT_ASCII 2 193 #define I2O_SNFORMAT_UNICODE 3 194 #define I2O_SNFORMAT_LAN48_MAC 4 195 #define I2O_SNFORMAT_WAN 5 196 197 /* Plus new in v2.0 (Yellowstone pdf doc) 198 */ 199 200 #define I2O_SNFORMAT_LAN64_MAC 6 201 #define I2O_SNFORMAT_DDM 7 202 #define I2O_SNFORMAT_IEEE_REG64 8 203 #define I2O_SNFORMAT_IEEE_REG128 9 204 #define I2O_SNFORMAT_UNKNOWN2 0xff 205 206 /* Transaction Reply Lists (TRL) Control Word structure */ 207 208 #define TRL_SINGLE_FIXED_LENGTH 0x00 209 #define TRL_SINGLE_VARIABLE_LENGTH 0x40 210 #define TRL_MULTIPLE_FIXED_LENGTH 0x80 211 212 /* 213 * Messaging API values 214 */ 215 216 #define I2O_CMD_ADAPTER_ASSIGN 0xB3 217 #define I2O_CMD_ADAPTER_READ 0xB2 218 #define I2O_CMD_ADAPTER_RELEASE 0xB5 219 #define I2O_CMD_BIOS_INFO_SET 0xA5 220 #define I2O_CMD_BOOT_DEVICE_SET 0xA7 221 #define I2O_CMD_CONFIG_VALIDATE 0xBB 222 #define I2O_CMD_CONN_SETUP 0xCA 223 #define I2O_CMD_DDM_DESTROY 0xB1 224 #define I2O_CMD_DDM_ENABLE 0xD5 225 #define I2O_CMD_DDM_QUIESCE 0xC7 226 #define I2O_CMD_DDM_RESET 0xD9 227 #define I2O_CMD_DDM_SUSPEND 0xAF 228 #define I2O_CMD_DEVICE_ASSIGN 0xB7 229 #define I2O_CMD_DEVICE_RELEASE 0xB9 230 #define I2O_CMD_HRT_GET 0xA8 231 #define I2O_CMD_ADAPTER_CLEAR 0xBE 232 #define I2O_CMD_ADAPTER_CONNECT 0xC9 233 #define I2O_CMD_ADAPTER_RESET 0xBD 234 #define I2O_CMD_LCT_NOTIFY 0xA2 235 #define I2O_CMD_OUTBOUND_INIT 0xA1 236 #define I2O_CMD_PATH_ENABLE 0xD3 237 #define I2O_CMD_PATH_QUIESCE 0xC5 238 #define I2O_CMD_PATH_RESET 0xD7 239 #define I2O_CMD_STATIC_MF_CREATE 0xDD 240 #define I2O_CMD_STATIC_MF_RELEASE 0xDF 241 #define I2O_CMD_STATUS_GET 0xA0 242 #define I2O_CMD_SW_DOWNLOAD 0xA9 243 #define I2O_CMD_SW_UPLOAD 0xAB 244 #define I2O_CMD_SW_REMOVE 0xAD 245 #define I2O_CMD_SYS_ENABLE 0xD1 246 #define I2O_CMD_SYS_MODIFY 0xC1 247 #define I2O_CMD_SYS_QUIESCE 0xC3 248 #define I2O_CMD_SYS_TAB_SET 0xA3 249 250 #define I2O_CMD_UTIL_NOP 0x00 251 #define I2O_CMD_UTIL_ABORT 0x01 252 #define I2O_CMD_UTIL_CLAIM 0x09 253 #define I2O_CMD_UTIL_RELEASE 0x0B 254 #define I2O_CMD_UTIL_PARAMS_GET 0x06 255 #define I2O_CMD_UTIL_PARAMS_SET 0x05 256 #define I2O_CMD_UTIL_EVT_REGISTER 0x13 257 #define I2O_CMD_UTIL_EVT_ACK 0x14 258 #define I2O_CMD_UTIL_CONFIG_DIALOG 0x10 259 #define I2O_CMD_UTIL_DEVICE_RESERVE 0x0D 260 #define I2O_CMD_UTIL_DEVICE_RELEASE 0x0F 261 #define I2O_CMD_UTIL_LOCK 0x17 262 #define I2O_CMD_UTIL_LOCK_RELEASE 0x19 263 #define I2O_CMD_UTIL_REPLY_FAULT_NOTIFY 0x15 264 265 #define I2O_CMD_SCSI_EXEC 0x81 266 #define I2O_CMD_SCSI_ABORT 0x83 267 #define I2O_CMD_SCSI_BUSRESET 0x27 268 269 #define I2O_CMD_BLOCK_READ 0x30 270 #define I2O_CMD_BLOCK_WRITE 0x31 271 #define I2O_CMD_BLOCK_CFLUSH 0x37 272 #define I2O_CMD_BLOCK_MLOCK 0x49 273 #define I2O_CMD_BLOCK_MUNLOCK 0x4B 274 #define I2O_CMD_BLOCK_MMOUNT 0x41 275 #define I2O_CMD_BLOCK_MEJECT 0x43 276 277 #define I2O_PRIVATE_MSG 0xFF 278 279 /* 280 * Init Outbound Q status 281 */ 282 283 #define I2O_CMD_OUTBOUND_INIT_IN_PROGRESS 0x01 284 #define I2O_CMD_OUTBOUND_INIT_REJECTED 0x02 285 #define I2O_CMD_OUTBOUND_INIT_FAILED 0x03 286 #define I2O_CMD_OUTBOUND_INIT_COMPLETE 0x04 287 288 /* 289 * I2O Get Status State values 290 */ 291 292 #define ADAPTER_STATE_INITIALIZING 0x01 293 #define ADAPTER_STATE_RESET 0x02 294 #define ADAPTER_STATE_HOLD 0x04 295 #define ADAPTER_STATE_READY 0x05 296 #define ADAPTER_STATE_OPERATIONAL 0x08 297 #define ADAPTER_STATE_FAILED 0x10 298 #define ADAPTER_STATE_FAULTED 0x11 299 300 /* I2O API function return values */ 301 302 #define I2O_RTN_NO_ERROR 0 303 #define I2O_RTN_NOT_INIT 1 304 #define I2O_RTN_FREE_Q_EMPTY 2 305 #define I2O_RTN_TCB_ERROR 3 306 #define I2O_RTN_TRANSACTION_ERROR 4 307 #define I2O_RTN_ADAPTER_ALREADY_INIT 5 308 #define I2O_RTN_MALLOC_ERROR 6 309 #define I2O_RTN_ADPTR_NOT_REGISTERED 7 310 #define I2O_RTN_MSG_REPLY_TIMEOUT 8 311 #define I2O_RTN_NO_STATUS 9 312 #define I2O_RTN_NO_FIRM_VER 10 313 #define I2O_RTN_NO_LINK_SPEED 11 314 315 /* Reply message status defines for all messages */ 316 317 #define I2O_REPLY_STATUS_SUCCESS 0x00 318 #define I2O_REPLY_STATUS_ABORT_DIRTY 0x01 319 #define I2O_REPLY_STATUS_ABORT_NO_DATA_TRANSFER 0x02 320 #define I2O_REPLY_STATUS_ABORT_PARTIAL_TRANSFER 0x03 321 #define I2O_REPLY_STATUS_ERROR_DIRTY 0x04 322 #define I2O_REPLY_STATUS_ERROR_NO_DATA_TRANSFER 0x05 323 #define I2O_REPLY_STATUS_ERROR_PARTIAL_TRANSFER 0x06 324 #define I2O_REPLY_STATUS_PROCESS_ABORT_DIRTY 0x08 325 #define I2O_REPLY_STATUS_PROCESS_ABORT_NO_DATA_TRANSFER 0x09 326 #define I2O_REPLY_STATUS_PROCESS_ABORT_PARTIAL_TRANSFER 0x0A 327 #define I2O_REPLY_STATUS_TRANSACTION_ERROR 0x0B 328 #define I2O_REPLY_STATUS_PROGRESS_REPORT 0x80 329 330 /* Status codes and Error Information for Parameter functions */ 331 332 #define I2O_PARAMS_STATUS_SUCCESS 0x00 333 #define I2O_PARAMS_STATUS_BAD_KEY_ABORT 0x01 334 #define I2O_PARAMS_STATUS_BAD_KEY_CONTINUE 0x02 335 #define I2O_PARAMS_STATUS_BUFFER_FULL 0x03 336 #define I2O_PARAMS_STATUS_BUFFER_TOO_SMALL 0x04 337 #define I2O_PARAMS_STATUS_FIELD_UNREADABLE 0x05 338 #define I2O_PARAMS_STATUS_FIELD_UNWRITEABLE 0x06 339 #define I2O_PARAMS_STATUS_INSUFFICIENT_FIELDS 0x07 340 #define I2O_PARAMS_STATUS_INVALID_GROUP_ID 0x08 341 #define I2O_PARAMS_STATUS_INVALID_OPERATION 0x09 342 #define I2O_PARAMS_STATUS_NO_KEY_FIELD 0x0A 343 #define I2O_PARAMS_STATUS_NO_SUCH_FIELD 0x0B 344 #define I2O_PARAMS_STATUS_NON_DYNAMIC_GROUP 0x0C 345 #define I2O_PARAMS_STATUS_OPERATION_ERROR 0x0D 346 #define I2O_PARAMS_STATUS_SCALAR_ERROR 0x0E 347 #define I2O_PARAMS_STATUS_TABLE_ERROR 0x0F 348 #define I2O_PARAMS_STATUS_WRONG_GROUP_TYPE 0x10 349 350 /* DetailedStatusCode defines for Executive, DDM, Util and Transaction error 351 * messages: Table 3-2 Detailed Status Codes.*/ 352 353 #define I2O_DSC_SUCCESS 0x0000 354 #define I2O_DSC_BAD_KEY 0x0002 355 #define I2O_DSC_TCL_ERROR 0x0003 356 #define I2O_DSC_REPLY_BUFFER_FULL 0x0004 357 #define I2O_DSC_NO_SUCH_PAGE 0x0005 358 #define I2O_DSC_INSUFFICIENT_RESOURCE_SOFT 0x0006 359 #define I2O_DSC_INSUFFICIENT_RESOURCE_HARD 0x0007 360 #define I2O_DSC_CHAIN_BUFFER_TOO_LARGE 0x0009 361 #define I2O_DSC_UNSUPPORTED_FUNCTION 0x000A 362 #define I2O_DSC_DEVICE_LOCKED 0x000B 363 #define I2O_DSC_DEVICE_RESET 0x000C 364 #define I2O_DSC_INAPPROPRIATE_FUNCTION 0x000D 365 #define I2O_DSC_INVALID_INITIATOR_ADDRESS 0x000E 366 #define I2O_DSC_INVALID_MESSAGE_FLAGS 0x000F 367 #define I2O_DSC_INVALID_OFFSET 0x0010 368 #define I2O_DSC_INVALID_PARAMETER 0x0011 369 #define I2O_DSC_INVALID_REQUEST 0x0012 370 #define I2O_DSC_INVALID_TARGET_ADDRESS 0x0013 371 #define I2O_DSC_MESSAGE_TOO_LARGE 0x0014 372 #define I2O_DSC_MESSAGE_TOO_SMALL 0x0015 373 #define I2O_DSC_MISSING_PARAMETER 0x0016 374 #define I2O_DSC_TIMEOUT 0x0017 375 #define I2O_DSC_UNKNOWN_ERROR 0x0018 376 #define I2O_DSC_UNKNOWN_FUNCTION 0x0019 377 #define I2O_DSC_UNSUPPORTED_VERSION 0x001A 378 #define I2O_DSC_DEVICE_BUSY 0x001B 379 #define I2O_DSC_DEVICE_NOT_AVAILABLE 0x001C 380 381 /* Device Claim Types */ 382 #define I2O_CLAIM_PRIMARY 0x01000000 383 #define I2O_CLAIM_MANAGEMENT 0x02000000 384 #define I2O_CLAIM_AUTHORIZED 0x03000000 385 #define I2O_CLAIM_SECONDARY 0x04000000 386 387 /* Message header defines for VersionOffset */ 388 #define I2OVER15 0x0001 389 #define I2OVER20 0x0002 390 /* Default is 1.5, FIXME: Need support for both 1.5 and 2.0 */ 391 #define I2OVERSION I2OVER15 392 #define SGL_OFFSET_0 I2OVERSION 393 #define SGL_OFFSET_4 (0x0040 | I2OVERSION) 394 #define SGL_OFFSET_5 (0x0050 | I2OVERSION) 395 #define SGL_OFFSET_6 (0x0060 | I2OVERSION) 396 #define SGL_OFFSET_7 (0x0070 | I2OVERSION) 397 #define SGL_OFFSET_8 (0x0080 | I2OVERSION) 398 #define SGL_OFFSET_9 (0x0090 | I2OVERSION) 399 #define SGL_OFFSET_10 (0x00A0 | I2OVERSION) 400 #define SGL_OFFSET_12 (0x00C0 | I2OVERSION) 401 402 #define TRL_OFFSET_5 (0x0050 | I2OVERSION) 403 #define TRL_OFFSET_6 (0x0060 | I2OVERSION) 404 405 /* msg header defines for MsgFlags */ 406 #define MSG_STATIC 0x0100 407 #define MSG_64BIT_CNTXT 0x0200 408 #define MSG_MULTI_TRANS 0x1000 409 #define MSG_FAIL 0x2000 410 #define MSG_LAST 0x4000 411 #define MSG_REPLY 0x8000 412 413 /* minimum size msg */ 414 #define THREE_WORD_MSG_SIZE 0x00030000 415 #define FOUR_WORD_MSG_SIZE 0x00040000 416 #define FIVE_WORD_MSG_SIZE 0x00050000 417 #define SIX_WORD_MSG_SIZE 0x00060000 418 #define SEVEN_WORD_MSG_SIZE 0x00070000 419 #define EIGHT_WORD_MSG_SIZE 0x00080000 420 #define NINE_WORD_MSG_SIZE 0x00090000 421 #define TEN_WORD_MSG_SIZE 0x000A0000 422 #define I2O_MESSAGE_SIZE(x) ((x)<<16) 423 424 425 /* Special TID Assignments */ 426 427 #define ADAPTER_TID 0 428 #define HOST_TID 1 429 430 #define MSG_FRAME_SIZE 128 431 #define NMBR_MSG_FRAMES 128 432 433 #define MSG_POOL_SIZE 16384 434 435 #define I2O_POST_WAIT_OK 0 436 #define I2O_POST_WAIT_TIMEOUT -ETIMEDOUT 437 438 439 #endif /* __KERNEL__ */ 440 441 #endif /* _SCSI_I2O_H */ 442