1 /* 2 * sbp2.h - Defines and prototypes for sbp2.c 3 * 4 * Copyright (C) 2000 James Goodwin, Filanet Corporation (www.filanet.com) 5 * jamesg@filanet.com 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software Foundation, 19 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 20 */ 21 22 #ifndef SBP2_H 23 #define SBP2_H 24 25 /* Some compatibility code */ 26 #define SCSI_REGISTER_HOST(tmpl) scsi_register_module(MODULE_SCSI_HA, tmpl) 27 #define SCSI_UNREGISTER_HOST(tmpl) scsi_unregister_module(MODULE_SCSI_HA, tmpl) 28 29 #define SBP2_DEVICE_NAME "sbp2" 30 31 /* 32 * SBP2 specific structures and defines 33 */ 34 35 #define ORB_DIRECTION_WRITE_TO_MEDIA 0x0 36 #define ORB_DIRECTION_READ_FROM_MEDIA 0x1 37 #define ORB_DIRECTION_NO_DATA_TRANSFER 0x2 38 39 #define ORB_SET_NULL_PTR(value) ((value & 0x1) << 31) 40 #define ORB_SET_NOTIFY(value) ((value & 0x1) << 31) 41 #define ORB_SET_RQ_FMT(value) ((value & 0x3) << 29) /* unused ? */ 42 #define ORB_SET_NODE_ID(value) ((value & 0xffff) << 16) 43 #define ORB_SET_DATA_SIZE(value) (value & 0xffff) 44 #define ORB_SET_PAGE_SIZE(value) ((value & 0x7) << 16) 45 #define ORB_SET_PAGE_TABLE_PRESENT(value) ((value & 0x1) << 19) 46 #define ORB_SET_MAX_PAYLOAD(value) ((value & 0xf) << 20) 47 #define ORB_SET_SPEED(value) ((value & 0x7) << 24) 48 #define ORB_SET_DIRECTION(value) ((value & 0x1) << 27) 49 50 struct sbp2_command_orb { 51 volatile u32 next_ORB_hi; 52 volatile u32 next_ORB_lo; 53 u32 data_descriptor_hi; 54 u32 data_descriptor_lo; 55 u32 misc; 56 u8 cdb[12]; 57 }; 58 59 #define LOGIN_REQUEST 0x0 60 #define QUERY_LOGINS_REQUEST 0x1 61 #define RECONNECT_REQUEST 0x3 62 #define SET_PASSWORD_REQUEST 0x4 63 #define LOGOUT_REQUEST 0x7 64 #define ABORT_TASK_REQUEST 0xb 65 #define ABORT_TASK_SET 0xc 66 #define LOGICAL_UNIT_RESET 0xe 67 #define TARGET_RESET_REQUEST 0xf 68 69 #define ORB_SET_LUN(value) (value & 0xffff) 70 #define ORB_SET_FUNCTION(value) ((value & 0xf) << 16) 71 #define ORB_SET_RECONNECT(value) ((value & 0xf) << 20) 72 #define ORB_SET_EXCLUSIVE(value) ((value & 0x1) << 28) 73 #define ORB_SET_LOGIN_RESP_LENGTH(value) (value & 0xffff) 74 #define ORB_SET_PASSWD_LENGTH(value) ((value & 0xffff) << 16) 75 76 struct sbp2_login_orb { 77 u32 password_hi; 78 u32 password_lo; 79 u32 login_response_hi; 80 u32 login_response_lo; 81 u32 lun_misc; 82 u32 passwd_resp_lengths; 83 u32 status_FIFO_hi; 84 u32 status_FIFO_lo; 85 }; 86 87 #define RESPONSE_GET_LOGIN_ID(value) (value & 0xffff) 88 #define RESPONSE_GET_LENGTH(value) ((value >> 16) & 0xffff) 89 #define RESPONSE_GET_RECONNECT_HOLD(value) (value & 0xffff) 90 91 struct sbp2_login_response { 92 u32 length_login_ID; 93 u32 command_block_agent_hi; 94 u32 command_block_agent_lo; 95 u32 reconnect_hold; 96 }; 97 98 #define ORB_SET_LOGIN_ID(value) (value & 0xffff) 99 100 #define ORB_SET_QUERY_LOGINS_RESP_LENGTH(value) (value & 0xffff) 101 102 struct sbp2_query_logins_orb { 103 u32 reserved1; 104 u32 reserved2; 105 u32 query_response_hi; 106 u32 query_response_lo; 107 u32 lun_misc; 108 u32 reserved_resp_length; 109 u32 status_FIFO_hi; 110 u32 status_FIFO_lo; 111 }; 112 113 #define RESPONSE_GET_MAX_LOGINS(value) (value & 0xffff) 114 #define RESPONSE_GET_ACTIVE_LOGINS(value) ((RESPONSE_GET_LENGTH(value) - 4) / 12) 115 116 struct sbp2_query_logins_response { 117 u32 length_max_logins; 118 u32 misc_IDs; 119 u32 initiator_misc_hi; 120 u32 initiator_misc_lo; 121 }; 122 123 struct sbp2_reconnect_orb { 124 u32 reserved1; 125 u32 reserved2; 126 u32 reserved3; 127 u32 reserved4; 128 u32 login_ID_misc; 129 u32 reserved5; 130 u32 status_FIFO_hi; 131 u32 status_FIFO_lo; 132 }; 133 134 struct sbp2_logout_orb { 135 u32 reserved1; 136 u32 reserved2; 137 u32 reserved3; 138 u32 reserved4; 139 u32 login_ID_misc; 140 u32 reserved5; 141 u32 status_FIFO_hi; 142 u32 status_FIFO_lo; 143 }; 144 145 #define PAGE_TABLE_SET_SEGMENT_BASE_HI(value) (value & 0xffff) 146 #define PAGE_TABLE_SET_SEGMENT_LENGTH(value) ((value & 0xffff) << 16) 147 148 struct sbp2_unrestricted_page_table { 149 u32 length_segment_base_hi; 150 u32 segment_base_lo; 151 }; 152 153 #define RESP_STATUS_REQUEST_COMPLETE 0x0 154 #define RESP_STATUS_TRANSPORT_FAILURE 0x1 155 #define RESP_STATUS_ILLEGAL_REQUEST 0x2 156 #define RESP_STATUS_VENDOR_DEPENDENT 0x3 157 158 #define SBP2_STATUS_NO_ADDITIONAL_INFO 0x0 159 #define SBP2_STATUS_REQ_TYPE_NOT_SUPPORTED 0x1 160 #define SBP2_STATUS_SPEED_NOT_SUPPORTED 0x2 161 #define SBP2_STATUS_PAGE_SIZE_NOT_SUPPORTED 0x3 162 #define SBP2_STATUS_ACCESS_DENIED 0x4 163 #define SBP2_STATUS_LU_NOT_SUPPORTED 0x5 164 #define SBP2_STATUS_MAX_PAYLOAD_TOO_SMALL 0x6 165 #define SBP2_STATUS_RESOURCES_UNAVAILABLE 0x8 166 #define SBP2_STATUS_FUNCTION_REJECTED 0x9 167 #define SBP2_STATUS_LOGIN_ID_NOT_RECOGNIZED 0xa 168 #define SBP2_STATUS_DUMMY_ORB_COMPLETED 0xb 169 #define SBP2_STATUS_REQUEST_ABORTED 0xc 170 #define SBP2_STATUS_UNSPECIFIED_ERROR 0xff 171 172 #define SFMT_CURRENT_ERROR 0x0 173 #define SFMT_DEFERRED_ERROR 0x1 174 #define SFMT_VENDOR_DEPENDENT_STATUS 0x3 175 176 #define SBP2_SCSI_STATUS_GOOD 0x0 177 #define SBP2_SCSI_STATUS_CHECK_CONDITION 0x2 178 #define SBP2_SCSI_STATUS_CONDITION_MET 0x4 179 #define SBP2_SCSI_STATUS_BUSY 0x8 180 #define SBP2_SCSI_STATUS_RESERVATION_CONFLICT 0x18 181 #define SBP2_SCSI_STATUS_COMMAND_TERMINATED 0x22 182 183 #define SBP2_SCSI_STATUS_SELECTION_TIMEOUT 0xff 184 185 #define STATUS_GET_ORB_OFFSET_HI(value) (value & 0xffff) 186 #define STATUS_GET_SBP_STATUS(value) ((value >> 16) & 0xff) 187 #define STATUS_GET_LENGTH(value) ((value >> 24) & 0x7) 188 #define STATUS_GET_DEAD_BIT(value) ((value >> 27) & 0x1) 189 #define STATUS_GET_RESP(value) ((value >> 28) & 0x3) 190 #define STATUS_GET_SRC(value) ((value >> 30) & 0x3) 191 192 struct sbp2_status_block { 193 u32 ORB_offset_hi_misc; 194 u32 ORB_offset_lo; 195 u8 command_set_dependent[24]; 196 }; 197 198 /* 199 * Miscellaneous SBP2 related config rom defines 200 */ 201 202 /* 203 * The status fifo address definition below is used as a status base, with a chunk 204 * separately assigned for each sbp2 device detected. For example, 0xfffe00000000ULL 205 * is used for the first sbp2 device detected, 0xfffe00000020ULL for the next sbp2 206 * device, and so on. 207 * 208 * Note: We could use a single status fifo address for all sbp2 devices, and figure 209 * out which sbp2 device the status belongs to by looking at the source node id of 210 * the status write... but, using separate addresses for each sbp2 device allows for 211 * better code and the ability to support multiple luns within a single 1394 node. 212 * 213 * Also note that we choose the address range below as it is a region specified for 214 * write posting, where the ohci controller will automatically send an ack_complete 215 * when the status is written by the sbp2 device... saving a split transaction. =) 216 */ 217 #define SBP2_STATUS_FIFO_ADDRESS 0xfffe00000000ULL 218 #define SBP2_STATUS_FIFO_ADDRESS_HI 0xfffe 219 #define SBP2_STATUS_FIFO_ADDRESS_LO 0x0 220 221 #define SBP2_STATUS_FIFO_ENTRY_TO_OFFSET(entry) ((entry) << 5) 222 #define SBP2_STATUS_FIFO_OFFSET_TO_ENTRY(offset) ((offset) >> 5) 223 224 #define SBP2_UNIT_DIRECTORY_OFFSET_KEY 0xd1 225 #define SBP2_CSR_OFFSET_KEY 0x54 226 #define SBP2_UNIT_SPEC_ID_KEY 0x12 227 #define SBP2_UNIT_SW_VERSION_KEY 0x13 228 #define SBP2_COMMAND_SET_SPEC_ID_KEY 0x38 229 #define SBP2_COMMAND_SET_KEY 0x39 230 #define SBP2_UNIT_CHARACTERISTICS_KEY 0x3a 231 #define SBP2_DEVICE_TYPE_AND_LUN_KEY 0x14 232 #define SBP2_FIRMWARE_REVISION_KEY 0x3c 233 234 #define SBP2_DEVICE_TYPE(q) (((q) >> 16) & 0x1f) 235 #define SBP2_DEVICE_LUN(q) ((q) & 0xffff) 236 237 #define SBP2_AGENT_STATE_OFFSET 0x00ULL 238 #define SBP2_AGENT_RESET_OFFSET 0x04ULL 239 #define SBP2_ORB_POINTER_OFFSET 0x08ULL 240 #define SBP2_DOORBELL_OFFSET 0x10ULL 241 #define SBP2_UNSOLICITED_STATUS_ENABLE_OFFSET 0x14ULL 242 #define SBP2_UNSOLICITED_STATUS_VALUE 0xf 243 244 #define SBP2_BUSY_TIMEOUT_ADDRESS 0xfffff0000210ULL 245 #define SBP2_BUSY_TIMEOUT_VALUE 0xf 246 247 #define SBP2_AGENT_RESET_DATA 0xf 248 249 /* 250 * Unit spec id and sw version entry for SBP-2 devices 251 */ 252 253 #define SBP2_UNIT_SPEC_ID_ENTRY 0x0000609e 254 #define SBP2_SW_VERSION_ENTRY 0x00010483 255 256 /* 257 * Other misc defines 258 */ 259 #define SBP2_128KB_BROKEN_FIRMWARE 0xa0b800 260 261 #define SBP2_DEVICE_TYPE_LUN_UNINITIALIZED 0xffffffff 262 263 /* 264 * SCSI specific stuff 265 */ 266 267 #define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000 268 #define SBP2SCSI_MAX_SCSI_IDS 32 /* Max sbp2 device instances supported */ 269 #define SBP2_MAX_SECTORS 255 /* Max sectors supported */ 270 271 #ifndef TYPE_SDAD 272 #define TYPE_SDAD 0x0e /* simplified direct access device */ 273 #endif 274 275 /* 276 * SCSI direction table... 277 * (now used as a back-up in case the direction passed down from above is "unknown") 278 * 279 * DIN = IN data direction 280 * DOU = OUT data direction 281 * DNO = No data transfer 282 * DUN = Unknown data direction 283 * 284 * Opcode 0xec (Teac specific "opc execute") possibly should be DNO, 285 * but we'll change it when somebody reports a problem with this. 286 */ 287 #define DIN ORB_DIRECTION_READ_FROM_MEDIA 288 #define DOU ORB_DIRECTION_WRITE_TO_MEDIA 289 #define DNO ORB_DIRECTION_NO_DATA_TRANSFER 290 #define DUN DIN 291 292 static unchar sbp2scsi_direction_table[0x100] = { 293 DNO,DNO,DIN,DIN,DOU,DIN,DIN,DOU,DIN,DUN,DOU,DOU,DUN,DUN,DUN,DIN, 294 DNO,DIN,DIN,DOU,DIN,DOU,DNO,DNO,DOU,DNO,DIN,DNO,DIN,DOU,DNO,DUN, 295 DIN,DUN,DIN,DIN,DOU,DIN,DUN,DUN,DIN,DIN,DOU,DNO,DUN,DIN,DOU,DOU, 296 DOU,DOU,DOU,DNO,DIN,DNO,DNO,DIN,DOU,DOU,DOU,DOU,DIN,DOU,DIN,DOU, 297 DOU,DOU,DIN,DIN,DIN,DNO,DIN,DNO,DNO,DNO,DUN,DNO,DOU,DIN,DNO,DUN, 298 DUN,DIN,DIN,DNO,DNO,DOU,DUN,DUN,DNO,DIN,DIN,DNO,DIN,DOU,DUN,DUN, 299 DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, 300 DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, 301 DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, 302 DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, 303 DUN,DNO,DOU,DOU,DIN,DNO,DNO,DNO,DIN,DNO,DOU,DUN,DNO,DIN,DOU,DOU, 304 DOU,DOU,DOU,DNO,DUN,DIN,DOU,DIN,DIN,DIN,DNO,DNO,DNO,DIN,DIN,DUN, 305 DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, 306 DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, 307 DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DOU,DUN,DUN,DUN,DUN,DUN, 308 DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN 309 }; 310 311 /* This should be safe. If there's more than one LUN per node, we could 312 * saturate the tlabel's though. */ 313 #define SBP2_MAX_CMDS_PER_LUN 8 314 #define SBP2_MAX_SCSI_QUEUE (SBP2_MAX_CMDS_PER_LUN * SBP2SCSI_MAX_SCSI_IDS) 315 #define SBP2_MAX_COMMAND_ORBS SBP2_MAX_SCSI_QUEUE 316 317 /* This is the two dma types we use for cmd_dma below */ 318 enum cmd_dma_types { 319 CMD_DMA_NONE, 320 CMD_DMA_PAGE, 321 CMD_DMA_SINGLE 322 }; 323 324 /* 325 * Encapsulates all the info necessary for an outstanding command. 326 */ 327 struct sbp2_command_info { 328 329 struct list_head list; 330 struct sbp2_command_orb command_orb ____cacheline_aligned; 331 dma_addr_t command_orb_dma ____cacheline_aligned; 332 Scsi_Cmnd *Current_SCpnt; 333 void (*Current_done)(Scsi_Cmnd *); 334 335 /* Also need s/g structure for each sbp2 command */ 336 struct sbp2_unrestricted_page_table scatter_gather_element[SG_ALL] ____cacheline_aligned; 337 dma_addr_t sge_dma ____cacheline_aligned; 338 void *sge_buffer; 339 dma_addr_t cmd_dma; 340 enum cmd_dma_types dma_type; 341 unsigned long dma_size; 342 int dma_dir; 343 344 }; 345 346 /* A list of flags for detected oddities and brokeness. */ 347 #define SBP2_BREAKAGE_128K_MAX_TRANSFER 0x1 348 #define SBP2_BREAKAGE_INQUIRY_HACK 0x2 349 350 351 struct sbp2scsi_host_info; 352 353 354 /* 355 * Information needed on a per scsi id basis (one for each sbp2 device) 356 */ 357 struct scsi_id_instance_data { 358 /* SCSI ID */ 359 int id; 360 361 /* 362 * Various sbp2 specific structures 363 */ 364 struct sbp2_command_orb *last_orb; 365 dma_addr_t last_orb_dma; 366 struct sbp2_login_orb *login_orb; 367 dma_addr_t login_orb_dma; 368 struct sbp2_login_response *login_response; 369 dma_addr_t login_response_dma; 370 struct sbp2_query_logins_orb *query_logins_orb; 371 dma_addr_t query_logins_orb_dma; 372 struct sbp2_query_logins_response *query_logins_response; 373 dma_addr_t query_logins_response_dma; 374 struct sbp2_reconnect_orb *reconnect_orb; 375 dma_addr_t reconnect_orb_dma; 376 struct sbp2_logout_orb *logout_orb; 377 dma_addr_t logout_orb_dma; 378 struct sbp2_status_block status_block; 379 380 /* 381 * Stuff we need to know about the sbp2 device itself 382 */ 383 u64 sbp2_management_agent_addr; 384 u64 sbp2_command_block_agent_addr; 385 u32 speed_code; 386 u32 max_payload_size; 387 388 /* 389 * Values pulled from the device's unit directory 390 */ 391 u32 sbp2_command_set_spec_id; 392 u32 sbp2_command_set; 393 u32 sbp2_unit_characteristics; 394 u32 sbp2_device_type_and_lun; 395 u32 sbp2_firmware_revision; 396 397 /* 398 * Variable used for logins, reconnects, logouts, query logins 399 */ 400 atomic_t sbp2_login_complete; 401 402 /* 403 * Pool of command orbs, so we can have more than overlapped command per id 404 */ 405 spinlock_t sbp2_command_orb_lock; 406 struct list_head sbp2_command_orb_inuse; 407 struct list_head sbp2_command_orb_completed; 408 409 struct list_head list; 410 411 /* Node entry, as retrieved from NodeMgr entries */ 412 struct node_entry *ne; 413 414 /* A backlink to our host_info */ 415 struct sbp2scsi_host_info *hi; 416 417 /* Device specific workarounds/brokeness */ 418 u32 workarounds; 419 }; 420 421 422 /* Describes a per-ud scsi_id group */ 423 struct scsi_id_group { 424 struct list_head scsi_id_list; 425 }; 426 427 428 /* 429 * Sbp2 host data structure (one per sbp2 host) 430 */ 431 struct sbp2scsi_host_info { 432 struct hpsb_host *host; 433 434 /* Spin locks for command processing */ 435 spinlock_t sbp2_command_lock; 436 437 /* This is the scsi host we register with the scsi mid level. */ 438 struct Scsi_Host *scsi_host; 439 440 /* Our allocated scsi_host_template */ 441 Scsi_Host_Template sht; 442 443 /* The proc_name used with the above sht */ 444 char proc_name[32]; 445 446 struct hpsb_highlevel *hl; 447 448 /* SCSI ID instance data (one for each sbp2 device instance possible) */ 449 struct scsi_id_instance_data *scsi_id[SBP2SCSI_MAX_SCSI_IDS]; 450 }; 451 452 /* 453 * Function prototypes 454 */ 455 456 /* 457 * Various utility prototypes 458 */ 459 static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_id); 460 static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_id); 461 static struct sbp2_command_info *sbp2util_find_command_for_orb(struct scsi_id_instance_data *scsi_id, dma_addr_t orb); 462 static struct sbp2_command_info *sbp2util_find_command_for_SCpnt(struct scsi_id_instance_data *scsi_id, void *SCpnt); 463 static struct sbp2_command_info *sbp2util_allocate_command_orb(struct scsi_id_instance_data *scsi_id, 464 Scsi_Cmnd *Current_SCpnt, 465 void (*Current_done)(Scsi_Cmnd *)); 466 static void sbp2util_mark_command_completed(struct scsi_id_instance_data *scsi_id, 467 struct sbp2_command_info *command); 468 469 /* 470 * IEEE-1394 core driver related prototypes 471 */ 472 static struct sbp2scsi_host_info *sbp2_add_host(struct hpsb_host *host); 473 static void sbp2_remove_host(struct hpsb_host *host); 474 static int sbp2_probe(struct unit_directory *ud); 475 static void sbp2_disconnect(struct unit_directory *ud); 476 static void sbp2_update(struct unit_directory *ud); 477 478 static int sbp2_start_ud(struct sbp2scsi_host_info *hi, 479 struct unit_directory *ud); 480 static int sbp2_start_device(struct scsi_id_instance_data *scsi_id); 481 static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id); 482 483 #ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA 484 static int sbp2_handle_physdma_write(struct hpsb_host *host, int nodeid, int destid, quadlet_t *data, 485 u64 addr, size_t length, u16 flags); 486 static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid, quadlet_t *data, 487 u64 addr, size_t length, u16 flags); 488 #endif 489 490 /* 491 * SBP-2 protocol related prototypes 492 */ 493 static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id); 494 static int sbp2_login_device(struct scsi_id_instance_data *scsi_id); 495 static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id); 496 static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id); 497 static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, int destid, 498 quadlet_t *data, u64 addr, size_t length, u16 flags); 499 static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait); 500 static int sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id, 501 struct sbp2_command_info *command, 502 unchar *scsi_cmd, 503 unsigned int scsi_use_sg, 504 unsigned int scsi_request_bufflen, 505 void *scsi_request_buffer, 506 unsigned char scsi_dir); 507 static int sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, 508 struct sbp2_command_info *command); 509 static int sbp2_send_command(struct scsi_id_instance_data *scsi_id, 510 Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *)); 511 static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, unchar *sense_data); 512 static void sbp2_check_sbp2_command(struct scsi_id_instance_data *scsi_id, unchar *cmd); 513 static void sbp2_check_sbp2_response(struct scsi_id_instance_data *scsi_id, Scsi_Cmnd *SCpnt); 514 static void sbp2_parse_unit_directory(struct scsi_id_group *scsi_group, 515 struct unit_directory *ud); 516 static int sbp2_set_busy_timeout(struct scsi_id_instance_data *scsi_id); 517 static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id); 518 519 #endif /* SBP2_H */ 520