1 /* 2 * 3 * linux/drivers/s390/scsi/zfcp_fsf.h 4 * 5 * FCP adapter driver for IBM eServer zSeries 6 * 7 * (C) Copyright IBM Corp. 2002, 2004 8 * 9 * Author(s): Martin Peschke <mpeschke@de.ibm.com> 10 * Raimund Schroeder <raimund.schroeder@de.ibm.com> 11 * Aron Zeh 12 * Wolfgang Taphorn 13 * Stefan Bader <stefan.bader@de.ibm.com> 14 * Heiko Carstens <heiko.carstens@de.ibm.com> 15 * Andreas Herrmann <aherrman@de.ibm.com> 16 * Volker Sameske <sameske@de.ibm.com> 17 * 18 * This program is free software; you can redistribute it and/or modify 19 * it under the terms of the GNU General Public License as published by 20 * the Free Software Foundation; either version 2, or (at your option) 21 * any later version. 22 * 23 * This program is distributed in the hope that it will be useful, 24 * but WITHOUT ANY WARRANTY; without even the implied warranty of 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 26 * GNU General Public License for more details. 27 * 28 * You should have received a copy of the GNU General Public License 29 * along with this program; if not, write to the Free Software 30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 31 */ 32 33 #ifndef FSF_H 34 #define FSF_H 35 36 #define FSF_QTCB_VERSION1 0x00000001 37 #define FSF_QTCB_CURRENT_VERSION FSF_QTCB_VERSION1 38 39 /* FSF commands */ 40 #define FSF_QTCB_FCP_CMND 0x00000001 41 #define FSF_QTCB_ABORT_FCP_CMND 0x00000002 42 #define FSF_QTCB_OPEN_PORT_WITH_DID 0x00000005 43 #define FSF_QTCB_OPEN_LUN 0x00000006 44 #define FSF_QTCB_CLOSE_LUN 0x00000007 45 #define FSF_QTCB_CLOSE_PORT 0x00000008 46 #define FSF_QTCB_CLOSE_PHYSICAL_PORT 0x00000009 47 #define FSF_QTCB_SEND_ELS 0x0000000B 48 #define FSF_QTCB_SEND_GENERIC 0x0000000C 49 #define FSF_QTCB_EXCHANGE_CONFIG_DATA 0x0000000D 50 #define FSF_QTCB_EXCHANGE_PORT_DATA 0x0000000E 51 #define FSF_QTCB_DOWNLOAD_CONTROL_FILE 0x00000012 52 #define FSF_QTCB_UPLOAD_CONTROL_FILE 0x00000013 53 54 /* FSF QTCB types */ 55 #define FSF_IO_COMMAND 0x00000001 56 #define FSF_SUPPORT_COMMAND 0x00000002 57 #define FSF_CONFIG_COMMAND 0x00000003 58 #define FSF_PORT_COMMAND 0x00000004 59 60 /* FSF control file upload/download operations' subtype and options */ 61 #define FSF_CFDC_OPERATION_SUBTYPE 0x00020001 62 #define FSF_CFDC_OPTION_NORMAL_MODE 0x00000000 63 #define FSF_CFDC_OPTION_FORCE 0x00000001 64 #define FSF_CFDC_OPTION_FULL_ACCESS 0x00000002 65 #define FSF_CFDC_OPTION_RESTRICTED_ACCESS 0x00000004 66 67 /* FSF protocol stati */ 68 #define FSF_PROT_GOOD 0x00000001 69 #define FSF_PROT_QTCB_VERSION_ERROR 0x00000010 70 #define FSF_PROT_SEQ_NUMB_ERROR 0x00000020 71 #define FSF_PROT_UNSUPP_QTCB_TYPE 0x00000040 72 #define FSF_PROT_HOST_CONNECTION_INITIALIZING 0x00000080 73 #define FSF_PROT_FSF_STATUS_PRESENTED 0x00000100 74 #define FSF_PROT_DUPLICATE_REQUEST_ID 0x00000200 75 #define FSF_PROT_LINK_DOWN 0x00000400 76 #define FSF_PROT_REEST_QUEUE 0x00000800 77 #define FSF_PROT_ERROR_STATE 0x01000000 78 79 /* FSF stati */ 80 #define FSF_GOOD 0x00000000 81 #define FSF_PORT_ALREADY_OPEN 0x00000001 82 #define FSF_LUN_ALREADY_OPEN 0x00000002 83 #define FSF_PORT_HANDLE_NOT_VALID 0x00000003 84 #define FSF_LUN_HANDLE_NOT_VALID 0x00000004 85 #define FSF_HANDLE_MISMATCH 0x00000005 86 #define FSF_SERVICE_CLASS_NOT_SUPPORTED 0x00000006 87 #define FSF_FCPLUN_NOT_VALID 0x00000009 88 #define FSF_ACCESS_DENIED 0x00000010 89 #define FSF_LUN_SHARING_VIOLATION 0x00000012 90 #define FSF_FCP_COMMAND_DOES_NOT_EXIST 0x00000022 91 #define FSF_DIRECTION_INDICATOR_NOT_VALID 0x00000030 92 #define FSF_CMND_LENGTH_NOT_VALID 0x00000033 93 #define FSF_MAXIMUM_NUMBER_OF_PORTS_EXCEEDED 0x00000040 94 #define FSF_MAXIMUM_NUMBER_OF_LUNS_EXCEEDED 0x00000041 95 #define FSF_ELS_COMMAND_REJECTED 0x00000050 96 #define FSF_GENERIC_COMMAND_REJECTED 0x00000051 97 #define FSF_OPERATION_PARTIALLY_SUCCESSFUL 0x00000052 98 #define FSF_AUTHORIZATION_FAILURE 0x00000053 99 #define FSF_CFDC_ERROR_DETECTED 0x00000054 100 #define FSF_CONTROL_FILE_UPDATE_ERROR 0x00000055 101 #define FSF_CONTROL_FILE_TOO_LARGE 0x00000056 102 #define FSF_ACCESS_CONFLICT_DETECTED 0x00000057 103 #define FSF_CONFLICTS_OVERRULED 0x00000058 104 #define FSF_PORT_BOXED 0x00000059 105 #define FSF_LUN_BOXED 0x0000005A 106 #define FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE 0x0000005B 107 #define FSF_PAYLOAD_SIZE_MISMATCH 0x00000060 108 #define FSF_REQUEST_SIZE_TOO_LARGE 0x00000061 109 #define FSF_RESPONSE_SIZE_TOO_LARGE 0x00000062 110 #define FSF_SBAL_MISMATCH 0x00000063 111 #define FSF_OPEN_PORT_WITHOUT_PRLI 0x00000064 112 #define FSF_ADAPTER_STATUS_AVAILABLE 0x000000AD 113 #define FSF_FCP_RSP_AVAILABLE 0x000000AF 114 #define FSF_UNKNOWN_COMMAND 0x000000E2 115 #define FSF_UNKNOWN_OP_SUBTYPE 0x000000E3 116 #define FSF_INVALID_COMMAND_OPTION 0x000000E5 117 /* #define FSF_ERROR 0x000000FF */ 118 119 #define FSF_PROT_STATUS_QUAL_SIZE 16 120 #define FSF_STATUS_QUALIFIER_SIZE 16 121 122 /* FSF status qualifier, recommendations */ 123 #define FSF_SQ_NO_RECOM 0x00 124 #define FSF_SQ_FCP_RSP_AVAILABLE 0x01 125 #define FSF_SQ_RETRY_IF_POSSIBLE 0x02 126 #define FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED 0x03 127 #define FSF_SQ_INVOKE_LINK_TEST_PROCEDURE 0x04 128 #define FSF_SQ_ULP_PROGRAMMING_ERROR 0x05 129 #define FSF_SQ_COMMAND_ABORTED 0x06 130 #define FSF_SQ_NO_RETRY_POSSIBLE 0x07 131 132 /* FSF status qualifier for CFDC commands */ 133 #define FSF_SQ_CFDC_HARDENED_ON_SE 0x00000000 134 #define FSF_SQ_CFDC_COULD_NOT_HARDEN_ON_SE 0x00000001 135 #define FSF_SQ_CFDC_COULD_NOT_HARDEN_ON_SE2 0x00000002 136 /* CFDC subtable codes */ 137 #define FSF_SQ_CFDC_SUBTABLE_OS 0x0001 138 #define FSF_SQ_CFDC_SUBTABLE_PORT_WWPN 0x0002 139 #define FSF_SQ_CFDC_SUBTABLE_PORT_DID 0x0003 140 #define FSF_SQ_CFDC_SUBTABLE_LUN 0x0004 141 142 /* FSF status qualifier (most significant 4 bytes), local link down */ 143 #define FSF_PSQ_LINK_NO_LIGHT 0x00000004 144 #define FSF_PSQ_LINK_WRAP_PLUG 0x00000008 145 #define FSF_PSQ_LINK_NO_FCP 0x00000010 146 #define FSF_PSQ_LINK_FIRMWARE_UPDATE 0x00000020 147 #define FSF_PSQ_LINK_INVALID_WWPN 0x00000100 148 #define FSF_PSQ_LINK_NO_NPIV_SUPPORT 0x00000200 149 #define FSF_PSQ_LINK_NO_FCP_RESOURCES 0x00000400 150 #define FSF_PSQ_LINK_NO_FABRIC_RESOURCES 0x00000800 151 #define FSF_PSQ_LINK_FABRIC_LOGIN_UNABLE 0x00001000 152 #define FSF_PSQ_LINK_WWPN_ASSIGNMENT_CORRUPTED 0x00002000 153 #define FSF_PSQ_LINK_MODE_TABLE_CURRUPTED 0x00004000 154 #define FSF_PSQ_LINK_NO_WWPN_ASSIGNMENT 0x00008000 155 156 /* payload size in status read buffer */ 157 #define FSF_STATUS_READ_PAYLOAD_SIZE 4032 158 159 /* number of status read buffers that should be sent by ULP */ 160 #define FSF_STATUS_READS_RECOM 16 161 162 /* status types in status read buffer */ 163 #define FSF_STATUS_READ_PORT_CLOSED 0x00000001 164 #define FSF_STATUS_READ_INCOMING_ELS 0x00000002 165 #define FSF_STATUS_READ_SENSE_DATA_AVAIL 0x00000003 166 #define FSF_STATUS_READ_BIT_ERROR_THRESHOLD 0x00000004 167 #define FSF_STATUS_READ_LINK_DOWN 0x00000005 168 #define FSF_STATUS_READ_LINK_UP 0x00000006 169 #define FSF_STATUS_READ_NOTIFICATION_LOST 0x00000009 170 #define FSF_STATUS_READ_CFDC_UPDATED 0x0000000A 171 #define FSF_STATUS_READ_CFDC_HARDENED 0x0000000B 172 #define FSF_STATUS_READ_FEATURE_UPDATE_ALERT 0x0000000C 173 174 /* status subtypes in status read buffer */ 175 #define FSF_STATUS_READ_SUB_CLOSE_PHYS_PORT 0x00000001 176 #define FSF_STATUS_READ_SUB_ERROR_PORT 0x00000002 177 178 /* status subtypes for link down */ 179 #define FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK 0x00000000 180 #define FSF_STATUS_READ_SUB_FDISC_FAILED 0x00000001 181 #define FSF_STATUS_READ_SUB_FIRMWARE_UPDATE 0x00000002 182 183 /* status subtypes for unsolicited status notification lost */ 184 #define FSF_STATUS_READ_SUB_INCOMING_ELS 0x00000001 185 #define FSF_STATUS_READ_SUB_SENSE_DATA 0x00000002 186 #define FSF_STATUS_READ_SUB_LINK_STATUS 0x00000004 187 #define FSF_STATUS_READ_SUB_PORT_CLOSED 0x00000008 188 #define FSF_STATUS_READ_SUB_BIT_ERROR_THRESHOLD 0x00000010 189 #define FSF_STATUS_READ_SUB_ACT_UPDATED 0x00000020 190 #define FSF_STATUS_READ_SUB_ACT_HARDENED 0x00000040 191 #define FSF_STATUS_READ_SUB_FEATURE_UPDATE_ALERT 0x00000080 192 193 /* status subtypes for CFDC */ 194 #define FSF_STATUS_READ_SUB_CFDC_HARDENED_ON_SE 0x00000002 195 #define FSF_STATUS_READ_SUB_CFDC_HARDENED_ON_SE2 0x0000000F 196 197 /* topologie that is detected by the adapter */ 198 #define FSF_TOPO_ERROR 0x00000000 199 #define FSF_TOPO_P2P 0x00000001 200 #define FSF_TOPO_FABRIC 0x00000002 201 #define FSF_TOPO_AL 0x00000003 202 203 /* data direction for FCP commands */ 204 #define FSF_DATADIR_WRITE 0x00000001 205 #define FSF_DATADIR_READ 0x00000002 206 #define FSF_DATADIR_READ_WRITE 0x00000003 207 #define FSF_DATADIR_CMND 0x00000004 208 209 /* fc service class */ 210 #define FSF_CLASS_1 0x00000001 211 #define FSF_CLASS_2 0x00000002 212 #define FSF_CLASS_3 0x00000003 213 214 /* SBAL chaining */ 215 #define FSF_MAX_SBALS_PER_REQ 36 216 #define FSF_MAX_SBALS_PER_ELS_REQ 2 217 218 /* logging space behind QTCB */ 219 #define FSF_QTCB_LOG_SIZE 1024 220 221 /* channel features */ 222 #define FSF_FEATURE_CFDC 0x00000002 223 #define FSF_FEATURE_LUN_SHARING 0x00000004 224 #define FSF_FEATURE_NOTIFICATION_LOST 0x00000008 225 #define FSF_FEATURE_HBAAPI_MANAGEMENT 0x00000010 226 #define FSF_FEATURE_ELS_CT_CHAINED_SBALS 0x00000020 227 #define FSF_FEATURE_UPDATE_ALERT 0x00000100 228 229 /* host connection features */ 230 #define FSF_FEATURE_NPIV_MODE 0x00000001 231 #define FSF_FEATURE_VM_ASSIGNED_WWPN 0x00000002 232 233 /* option */ 234 #define FSF_OPEN_LUN_SUPPRESS_BOXING 0x00000001 235 #define FSF_OPEN_LUN_REPLICATE_SENSE 0x00000002 236 237 /* adapter types */ 238 #define FSF_ADAPTER_TYPE_FICON 0x00000001 239 #define FSF_ADAPTER_TYPE_FICON_EXPRESS 0x00000002 240 241 /* port types */ 242 #define FSF_HBA_PORTTYPE_UNKNOWN 0x00000001 243 #define FSF_HBA_PORTTYPE_NOTPRESENT 0x00000003 244 #define FSF_HBA_PORTTYPE_NPORT 0x00000005 245 #define FSF_HBA_PORTTYPE_PTP 0x00000021 246 /* following are not defined and used by FSF Spec 247 but are additionally defined by FC-HBA */ 248 #define FSF_HBA_PORTTYPE_OTHER 0x00000002 249 #define FSF_HBA_PORTTYPE_NOTPRESENT 0x00000003 250 #define FSF_HBA_PORTTYPE_NLPORT 0x00000006 251 #define FSF_HBA_PORTTYPE_FLPORT 0x00000007 252 #define FSF_HBA_PORTTYPE_FPORT 0x00000008 253 #define FSF_HBA_PORTTYPE_LPORT 0x00000020 254 255 /* port states */ 256 #define FSF_HBA_PORTSTATE_UNKNOWN 0x00000001 257 #define FSF_HBA_PORTSTATE_ONLINE 0x00000002 258 #define FSF_HBA_PORTSTATE_OFFLINE 0x00000003 259 #define FSF_HBA_PORTSTATE_LINKDOWN 0x00000006 260 #define FSF_HBA_PORTSTATE_ERROR 0x00000007 261 262 /* IO states of adapter */ 263 #define FSF_IOSTAT_NPORT_RJT 0x00000004 264 #define FSF_IOSTAT_FABRIC_RJT 0x00000005 265 #define FSF_IOSTAT_LS_RJT 0x00000009 266 267 /* open LUN access flags*/ 268 #define FSF_UNIT_ACCESS_OPEN_LUN_ALLOWED 0x01000000 269 #define FSF_UNIT_ACCESS_EXCLUSIVE 0x02000000 270 #define FSF_UNIT_ACCESS_OUTBOUND_TRANSFER 0x10000000 271 272 struct fsf_queue_designator; 273 struct fsf_status_read_buffer; 274 struct fsf_port_closed_payload; 275 struct fsf_bit_error_payload; 276 union fsf_prot_status_qual; 277 struct fsf_qual_version_error; 278 struct fsf_qual_sequence_error; 279 struct fsf_qtcb_prefix; 280 struct fsf_qtcb_header; 281 struct fsf_qtcb_bottom_config; 282 struct fsf_qtcb_bottom_support; 283 struct fsf_qtcb_bottom_io; 284 union fsf_qtcb_bottom; 285 286 struct fsf_queue_designator { 287 u8 cssid; 288 u8 chpid; 289 u8 hla; 290 u8 ua; 291 u32 res1; 292 } __attribute__ ((packed)); 293 294 struct fsf_port_closed_payload { 295 struct fsf_queue_designator queue_designator; 296 u32 port_handle; 297 } __attribute__ ((packed)); 298 299 struct fsf_bit_error_payload { 300 u32 res1; 301 u32 link_failure_error_count; 302 u32 loss_of_sync_error_count; 303 u32 loss_of_signal_error_count; 304 u32 primitive_sequence_error_count; 305 u32 invalid_transmission_word_error_count; 306 u32 crc_error_count; 307 u32 primitive_sequence_event_timeout_count; 308 u32 elastic_buffer_overrun_error_count; 309 u32 fcal_arbitration_timeout_count; 310 u32 advertised_receive_b2b_credit; 311 u32 current_receive_b2b_credit; 312 u32 advertised_transmit_b2b_credit; 313 u32 current_transmit_b2b_credit; 314 } __attribute__ ((packed)); 315 316 struct fsf_status_read_buffer { 317 u32 status_type; 318 u32 status_subtype; 319 u32 length; 320 u32 res1; 321 struct fsf_queue_designator queue_designator; 322 u32 d_id; 323 u32 class; 324 u64 fcp_lun; 325 u8 res3[24]; 326 u8 payload[FSF_STATUS_READ_PAYLOAD_SIZE]; 327 } __attribute__ ((packed)); 328 329 struct fsf_qual_version_error { 330 u32 fsf_version; 331 u32 res1[3]; 332 } __attribute__ ((packed)); 333 334 struct fsf_qual_sequence_error { 335 u32 exp_req_seq_no; 336 u32 res1[3]; 337 } __attribute__ ((packed)); 338 339 struct fsf_link_down_info { 340 u32 error_code; 341 u32 res1; 342 u8 res2[2]; 343 u8 primary_status; 344 u8 ioerr_code; 345 u8 action_code; 346 u8 reason_code; 347 u8 explanation_code; 348 u8 vendor_specific_code; 349 } __attribute__ ((packed)); 350 351 union fsf_prot_status_qual { 352 u64 doubleword[FSF_PROT_STATUS_QUAL_SIZE / sizeof(u64)]; 353 struct fsf_qual_version_error version_error; 354 struct fsf_qual_sequence_error sequence_error; 355 struct fsf_link_down_info link_down_info; 356 } __attribute__ ((packed)); 357 358 struct fsf_qtcb_prefix { 359 u64 req_id; 360 u32 qtcb_version; 361 u32 ulp_info; 362 u32 qtcb_type; 363 u32 req_seq_no; 364 u32 prot_status; 365 union fsf_prot_status_qual prot_status_qual; 366 u8 res1[20]; 367 } __attribute__ ((packed)); 368 369 union fsf_status_qual { 370 u8 byte[FSF_STATUS_QUALIFIER_SIZE]; 371 u16 halfword[FSF_STATUS_QUALIFIER_SIZE / sizeof (u16)]; 372 u32 word[FSF_STATUS_QUALIFIER_SIZE / sizeof (u32)]; 373 u64 doubleword[FSF_STATUS_QUALIFIER_SIZE / sizeof(u64)]; 374 struct fsf_queue_designator fsf_queue_designator; 375 struct fsf_link_down_info link_down_info; 376 } __attribute__ ((packed)); 377 378 struct fsf_qtcb_header { 379 u64 req_handle; 380 u32 fsf_command; 381 u32 res1; 382 u32 port_handle; 383 u32 lun_handle; 384 u32 res2; 385 u32 fsf_status; 386 union fsf_status_qual fsf_status_qual; 387 u8 res3[28]; 388 u16 log_start; 389 u16 log_length; 390 u8 res4[16]; 391 } __attribute__ ((packed)); 392 393 struct fsf_nport_serv_param { 394 u8 common_serv_param[16]; 395 u64 wwpn; 396 u64 wwnn; 397 u8 class1_serv_param[16]; 398 u8 class2_serv_param[16]; 399 u8 class3_serv_param[16]; 400 u8 class4_serv_param[16]; 401 u8 vendor_version_level[16]; 402 } __attribute__ ((packed)); 403 404 struct fsf_plogi { 405 u32 code; 406 struct fsf_nport_serv_param serv_param; 407 } __attribute__ ((packed)); 408 409 #define FSF_FCP_CMND_SIZE 288 410 #define FSF_FCP_RSP_SIZE 128 411 412 struct fsf_qtcb_bottom_io { 413 u32 data_direction; 414 u32 service_class; 415 u8 res1[8]; 416 u32 fcp_cmnd_length; 417 u8 res2[12]; 418 u8 fcp_cmnd[FSF_FCP_CMND_SIZE]; 419 u8 fcp_rsp[FSF_FCP_RSP_SIZE]; 420 u8 res3[64]; 421 } __attribute__ ((packed)); 422 423 struct fsf_qtcb_bottom_support { 424 u32 operation_subtype; 425 u8 res1[12]; 426 u32 d_id; 427 u32 option; 428 u64 fcp_lun; 429 u64 res2; 430 u64 req_handle; 431 u32 service_class; 432 u8 res3[3]; 433 u8 timeout; 434 u32 lun_access_info; 435 u8 res4[180]; 436 u32 els1_length; 437 u32 els2_length; 438 u32 req_buf_length; 439 u32 resp_buf_length; 440 u8 els[256]; 441 } __attribute__ ((packed)); 442 443 struct fsf_qtcb_bottom_config { 444 u32 lic_version; 445 u32 feature_selection; 446 u32 high_qtcb_version; 447 u32 low_qtcb_version; 448 u32 max_qtcb_size; 449 u32 max_data_transfer_size; 450 u32 adapter_features; 451 u32 connection_features; 452 u32 fc_topology; 453 u32 fc_link_speed; 454 u32 adapter_type; 455 u32 peer_d_id; 456 u8 res2[12]; 457 u32 s_id; 458 struct fsf_nport_serv_param nport_serv_param; 459 u8 reserved_nport_serv_param[16]; 460 u8 res3[8]; 461 u32 adapter_ports; 462 u32 hardware_version; 463 u8 serial_number[32]; 464 struct fsf_nport_serv_param plogi_payload; 465 u8 res4[160]; 466 } __attribute__ ((packed)); 467 468 struct fsf_qtcb_bottom_port { 469 u64 wwpn; 470 u32 fc_port_id; 471 u32 port_type; 472 u32 port_state; 473 u32 class_of_service; /* should be 0x00000006 for class 2 and 3 */ 474 u8 supported_fc4_types[32]; /* should be 0x00000100 for scsi fcp */ 475 u8 active_fc4_types[32]; 476 u32 supported_speed; /* 0x0001 for 1 GBit/s or 0x0002 for 2 GBit/s */ 477 u32 maximum_frame_size; /* fixed value of 2112 */ 478 u64 seconds_since_last_reset; 479 u64 tx_frames; 480 u64 tx_words; 481 u64 rx_frames; 482 u64 rx_words; 483 u64 lip; /* 0 */ 484 u64 nos; /* currently 0 */ 485 u64 error_frames; /* currently 0 */ 486 u64 dumped_frames; /* currently 0 */ 487 u64 link_failure; 488 u64 loss_of_sync; 489 u64 loss_of_signal; 490 u64 psp_error_counts; 491 u64 invalid_tx_words; 492 u64 invalid_crcs; 493 u64 input_requests; 494 u64 output_requests; 495 u64 control_requests; 496 u64 input_mb; /* where 1 MByte == 1.000.000 Bytes */ 497 u64 output_mb; /* where 1 MByte == 1.000.000 Bytes */ 498 u8 res2[256]; 499 } __attribute__ ((packed)); 500 501 union fsf_qtcb_bottom { 502 struct fsf_qtcb_bottom_io io; 503 struct fsf_qtcb_bottom_support support; 504 struct fsf_qtcb_bottom_config config; 505 struct fsf_qtcb_bottom_port port; 506 }; 507 508 struct fsf_qtcb { 509 struct fsf_qtcb_prefix prefix; 510 struct fsf_qtcb_header header; 511 union fsf_qtcb_bottom bottom; 512 u8 log[FSF_QTCB_LOG_SIZE]; 513 } __attribute__ ((packed)); 514 515 #endif /* FSF_H */ 516