drivers/s390/scsi/zfcp_fsf.h

   1 /*
   2  * zfcp device driver
   3  *
   4  * Interface to the FSF support functions.
   5  *
   6  * Copyright IBM Corporation 2002, 2008
   7  */
   8
   9 #ifndef FSF_H
  10 #define FSF_H
  11
  12 #include <linux/pfn.h>
  13
  14 #define FSF_QTCB_CURRENT_VERSION                0x00000001
  15
  16 /* FSF commands */
  17 #define FSF_QTCB_FCP_CMND                       0x00000001
  18 #define FSF_QTCB_ABORT_FCP_CMND                 0x00000002
  19 #define FSF_QTCB_OPEN_PORT_WITH_DID             0x00000005
  20 #define FSF_QTCB_OPEN_LUN                       0x00000006
  21 #define FSF_QTCB_CLOSE_LUN                      0x00000007
  22 #define FSF_QTCB_CLOSE_PORT                     0x00000008
  23 #define FSF_QTCB_CLOSE_PHYSICAL_PORT            0x00000009
  24 #define FSF_QTCB_SEND_ELS                       0x0000000B
  25 #define FSF_QTCB_SEND_GENERIC                   0x0000000C
  26 #define FSF_QTCB_EXCHANGE_CONFIG_DATA           0x0000000D
  27 #define FSF_QTCB_EXCHANGE_PORT_DATA             0x0000000E
  28 #define FSF_QTCB_DOWNLOAD_CONTROL_FILE          0x00000012
  29 #define FSF_QTCB_UPLOAD_CONTROL_FILE            0x00000013
  30
  31 /* FSF QTCB types */
  32 #define FSF_IO_COMMAND                          0x00000001
  33 #define FSF_SUPPORT_COMMAND                     0x00000002
  34 #define FSF_CONFIG_COMMAND                      0x00000003
  35 #define FSF_PORT_COMMAND                        0x00000004
  36
  37 /* FSF control file upload/download operations' subtype and options */
  38 #define FSF_CFDC_OPERATION_SUBTYPE              0x00020001
  39 #define FSF_CFDC_OPTION_NORMAL_MODE             0x00000000
  40 #define FSF_CFDC_OPTION_FORCE                   0x00000001
  41 #define FSF_CFDC_OPTION_FULL_ACCESS             0x00000002
  42 #define FSF_CFDC_OPTION_RESTRICTED_ACCESS       0x00000004
  43
  44 /* FSF protocol states */
  45 #define FSF_PROT_GOOD                           0x00000001
  46 #define FSF_PROT_QTCB_VERSION_ERROR             0x00000010
  47 #define FSF_PROT_SEQ_NUMB_ERROR                 0x00000020
  48 #define FSF_PROT_UNSUPP_QTCB_TYPE               0x00000040
  49 #define FSF_PROT_HOST_CONNECTION_INITIALIZING   0x00000080
  50 #define FSF_PROT_FSF_STATUS_PRESENTED           0x00000100
  51 #define FSF_PROT_DUPLICATE_REQUEST_ID           0x00000200
  52 #define FSF_PROT_LINK_DOWN                      0x00000400
  53 #define FSF_PROT_REEST_QUEUE                    0x00000800
  54 #define FSF_PROT_ERROR_STATE                    0x01000000
  55
  56 /* FSF states */
  57 #define FSF_GOOD                                0x00000000
  58 #define FSF_PORT_ALREADY_OPEN                   0x00000001
  59 #define FSF_LUN_ALREADY_OPEN                    0x00000002
  60 #define FSF_PORT_HANDLE_NOT_VALID               0x00000003
  61 #define FSF_LUN_HANDLE_NOT_VALID                0x00000004
  62 #define FSF_HANDLE_MISMATCH                     0x00000005
  63 #define FSF_SERVICE_CLASS_NOT_SUPPORTED         0x00000006
  64 #define FSF_FCPLUN_NOT_VALID                    0x00000009
  65 #define FSF_ACCESS_DENIED                       0x00000010
  66 #define FSF_LUN_SHARING_VIOLATION               0x00000012
  67 #define FSF_FCP_COMMAND_DOES_NOT_EXIST          0x00000022
  68 #define FSF_DIRECTION_INDICATOR_NOT_VALID       0x00000030
  69 #define FSF_CMND_LENGTH_NOT_VALID               0x00000033
  70 #define FSF_MAXIMUM_NUMBER_OF_PORTS_EXCEEDED    0x00000040
  71 #define FSF_MAXIMUM_NUMBER_OF_LUNS_EXCEEDED     0x00000041
  72 #define FSF_ELS_COMMAND_REJECTED                0x00000050
  73 #define FSF_GENERIC_COMMAND_REJECTED            0x00000051
  74 #define FSF_OPERATION_PARTIALLY_SUCCESSFUL      0x00000052
  75 #define FSF_AUTHORIZATION_FAILURE               0x00000053
  76 #define FSF_CFDC_ERROR_DETECTED                 0x00000054
  77 #define FSF_CONTROL_FILE_UPDATE_ERROR           0x00000055
  78 #define FSF_CONTROL_FILE_TOO_LARGE              0x00000056
  79 #define FSF_ACCESS_CONFLICT_DETECTED            0x00000057
  80 #define FSF_CONFLICTS_OVERRULED                 0x00000058
  81 #define FSF_PORT_BOXED                          0x00000059
  82 #define FSF_LUN_BOXED                           0x0000005A
  83 #define FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE     0x0000005B
  84 #define FSF_PAYLOAD_SIZE_MISMATCH               0x00000060
  85 #define FSF_REQUEST_SIZE_TOO_LARGE              0x00000061
  86 #define FSF_RESPONSE_SIZE_TOO_LARGE             0x00000062
  87 #define FSF_SBAL_MISMATCH                       0x00000063
  88 #define FSF_OPEN_PORT_WITHOUT_PRLI              0x00000064
  89 #define FSF_ADAPTER_STATUS_AVAILABLE            0x000000AD
  90 #define FSF_FCP_RSP_AVAILABLE                   0x000000AF
  91 #define FSF_UNKNOWN_COMMAND                     0x000000E2
  92 #define FSF_UNKNOWN_OP_SUBTYPE                  0x000000E3
  93 #define FSF_INVALID_COMMAND_OPTION              0x000000E5
  94 /* #define FSF_ERROR                             0x000000FF  */
  95
  96 #define FSF_PROT_STATUS_QUAL_SIZE               16
  97 #define FSF_STATUS_QUALIFIER_SIZE               16
  98
  99 /* FSF status qualifier, recommendations */
 100 #define FSF_SQ_NO_RECOM                         0x00
 101 #define FSF_SQ_FCP_RSP_AVAILABLE                0x01
 102 #define FSF_SQ_RETRY_IF_POSSIBLE                0x02
 103 #define FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED       0x03
 104 #define FSF_SQ_INVOKE_LINK_TEST_PROCEDURE       0x04
 105 #define FSF_SQ_ULP_PROGRAMMING_ERROR            0x05
 106 #define FSF_SQ_COMMAND_ABORTED                  0x06
 107 #define FSF_SQ_NO_RETRY_POSSIBLE                0x07
 108
 109 /* FSF status qualifier for CFDC commands */
 110 #define FSF_SQ_CFDC_HARDENED_ON_SE              0x00000000
 111 #define FSF_SQ_CFDC_COULD_NOT_HARDEN_ON_SE      0x00000001
 112 #define FSF_SQ_CFDC_COULD_NOT_HARDEN_ON_SE2     0x00000002
 113 /* CFDC subtable codes */
 114 #define FSF_SQ_CFDC_SUBTABLE_OS                 0x0001
 115 #define FSF_SQ_CFDC_SUBTABLE_PORT_WWPN          0x0002
 116 #define FSF_SQ_CFDC_SUBTABLE_PORT_DID           0x0003
 117 #define FSF_SQ_CFDC_SUBTABLE_LUN                0x0004
 118
 119 /* FSF status qualifier (most significant 4 bytes), local link down */
 120 #define FSF_PSQ_LINK_NO_LIGHT                   0x00000004
 121 #define FSF_PSQ_LINK_WRAP_PLUG                  0x00000008
 122 #define FSF_PSQ_LINK_NO_FCP                     0x00000010
 123 #define FSF_PSQ_LINK_FIRMWARE_UPDATE            0x00000020
 124 #define FSF_PSQ_LINK_INVALID_WWPN               0x00000100
 125 #define FSF_PSQ_LINK_NO_NPIV_SUPPORT            0x00000200
 126 #define FSF_PSQ_LINK_NO_FCP_RESOURCES           0x00000400
 127 #define FSF_PSQ_LINK_NO_FABRIC_RESOURCES        0x00000800
 128 #define FSF_PSQ_LINK_FABRIC_LOGIN_UNABLE        0x00001000
 129 #define FSF_PSQ_LINK_WWPN_ASSIGNMENT_CORRUPTED  0x00002000
 130 #define FSF_PSQ_LINK_MODE_TABLE_CURRUPTED       0x00004000
 131 #define FSF_PSQ_LINK_NO_WWPN_ASSIGNMENT         0x00008000
 132
 133 /* payload size in status read buffer */
 134 #define FSF_STATUS_READ_PAYLOAD_SIZE            4032
 135
 136 /* number of status read buffers that should be sent by ULP */
 137 #define FSF_STATUS_READS_RECOM                  16
 138
 139 /* status types in status read buffer */
 140 #define FSF_STATUS_READ_PORT_CLOSED             0x00000001
 141 #define FSF_STATUS_READ_INCOMING_ELS            0x00000002
 142 #define FSF_STATUS_READ_SENSE_DATA_AVAIL        0x00000003
 143 #define FSF_STATUS_READ_BIT_ERROR_THRESHOLD     0x00000004
 144 #define FSF_STATUS_READ_LINK_DOWN               0x00000005
 145 #define FSF_STATUS_READ_LINK_UP                 0x00000006
 146 #define FSF_STATUS_READ_NOTIFICATION_LOST       0x00000009
 147 #define FSF_STATUS_READ_CFDC_UPDATED            0x0000000A
 148 #define FSF_STATUS_READ_CFDC_HARDENED           0x0000000B
 149 #define FSF_STATUS_READ_FEATURE_UPDATE_ALERT    0x0000000C
 150
 151 /* status subtypes in status read buffer */
 152 #define FSF_STATUS_READ_SUB_CLOSE_PHYS_PORT     0x00000001
 153 #define FSF_STATUS_READ_SUB_ERROR_PORT          0x00000002
 154
 155 /* status subtypes for link down */
 156 #define FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK    0x00000000
 157 #define FSF_STATUS_READ_SUB_FDISC_FAILED        0x00000001
 158 #define FSF_STATUS_READ_SUB_FIRMWARE_UPDATE     0x00000002
 159
 160 /* status subtypes for unsolicited status notification lost */
 161 #define FSF_STATUS_READ_SUB_INCOMING_ELS        0x00000001
 162 #define FSF_STATUS_READ_SUB_SENSE_DATA          0x00000002
 163 #define FSF_STATUS_READ_SUB_LINK_STATUS         0x00000004
 164 #define FSF_STATUS_READ_SUB_PORT_CLOSED         0x00000008
 165 #define FSF_STATUS_READ_SUB_BIT_ERROR_THRESHOLD 0x00000010
 166 #define FSF_STATUS_READ_SUB_ACT_UPDATED         0x00000020
 167 #define FSF_STATUS_READ_SUB_ACT_HARDENED        0x00000040
 168 #define FSF_STATUS_READ_SUB_FEATURE_UPDATE_ALERT 0x00000080
 169
 170 /* status subtypes for CFDC */
 171 #define FSF_STATUS_READ_SUB_CFDC_HARDENED_ON_SE 0x00000002
 172 #define FSF_STATUS_READ_SUB_CFDC_HARDENED_ON_SE2 0x0000000F
 173
 174 /* topologie that is detected by the adapter */
 175 #define FSF_TOPO_ERROR                          0x00000000
 176 #define FSF_TOPO_P2P                            0x00000001
 177 #define FSF_TOPO_FABRIC                         0x00000002
 178 #define FSF_TOPO_AL                             0x00000003
 179
 180 /* data direction for FCP commands */
 181 #define FSF_DATADIR_WRITE                       0x00000001
 182 #define FSF_DATADIR_READ                        0x00000002
 183 #define FSF_DATADIR_READ_WRITE                  0x00000003
 184 #define FSF_DATADIR_CMND                        0x00000004
 185
 186 /* fc service class */
 187 #define FSF_CLASS_1                             0x00000001
 188 #define FSF_CLASS_2                             0x00000002
 189 #define FSF_CLASS_3                             0x00000003
 190
 191 /* SBAL chaining */
 192 #define FSF_MAX_SBALS_PER_REQ                   36
 193 #define FSF_MAX_SBALS_PER_ELS_REQ               2
 194
 195 /* logging space behind QTCB */
 196 #define FSF_QTCB_LOG_SIZE                       1024
 197
 198 /* channel features */
 199 #define FSF_FEATURE_CFDC                        0x00000002
 200 #define FSF_FEATURE_LUN_SHARING                 0x00000004
 201 #define FSF_FEATURE_NOTIFICATION_LOST           0x00000008
 202 #define FSF_FEATURE_HBAAPI_MANAGEMENT           0x00000010
 203 #define FSF_FEATURE_ELS_CT_CHAINED_SBALS        0x00000020
 204 #define FSF_FEATURE_UPDATE_ALERT                0x00000100
 205 #define FSF_FEATURE_MEASUREMENT_DATA            0x00000200
 206
 207 /* host connection features */
 208 #define FSF_FEATURE_NPIV_MODE                   0x00000001
 209 #define FSF_FEATURE_VM_ASSIGNED_WWPN            0x00000002
 210
 211 /* option */
 212 #define FSF_OPEN_LUN_SUPPRESS_BOXING            0x00000001
 213 #define FSF_OPEN_LUN_REPLICATE_SENSE            0x00000002
 214
 215 /* adapter types */
 216 #define FSF_ADAPTER_TYPE_FICON                  0x00000001
 217 #define FSF_ADAPTER_TYPE_FICON_EXPRESS          0x00000002
 218
 219 /* port types */
 220 #define FSF_HBA_PORTTYPE_UNKNOWN                0x00000001
 221 #define FSF_HBA_PORTTYPE_NOTPRESENT             0x00000003
 222 #define FSF_HBA_PORTTYPE_NPORT                  0x00000005
 223 #define FSF_HBA_PORTTYPE_PTP                    0x00000021
 224 /* following are not defined and used by FSF Spec
 225    but are additionally defined by FC-HBA */
 226 #define FSF_HBA_PORTTYPE_OTHER                  0x00000002
 227 #define FSF_HBA_PORTTYPE_NOTPRESENT             0x00000003
 228 #define FSF_HBA_PORTTYPE_NLPORT                 0x00000006
 229 #define FSF_HBA_PORTTYPE_FLPORT                 0x00000007
 230 #define FSF_HBA_PORTTYPE_FPORT                  0x00000008
 231 #define FSF_HBA_PORTTYPE_LPORT                  0x00000020
 232
 233 /* port states */
 234 #define FSF_HBA_PORTSTATE_UNKNOWN               0x00000001
 235 #define FSF_HBA_PORTSTATE_ONLINE                0x00000002
 236 #define FSF_HBA_PORTSTATE_OFFLINE               0x00000003
 237 #define FSF_HBA_PORTSTATE_LINKDOWN              0x00000006
 238 #define FSF_HBA_PORTSTATE_ERROR                 0x00000007
 239
 240 /* IO states of adapter */
 241 #define FSF_IOSTAT_NPORT_RJT                    0x00000004
 242 #define FSF_IOSTAT_FABRIC_RJT                   0x00000005
 243 #define FSF_IOSTAT_LS_RJT                       0x00000009
 244
 245 /* open LUN access flags*/
 246 #define FSF_UNIT_ACCESS_OPEN_LUN_ALLOWED        0x01000000
 247 #define FSF_UNIT_ACCESS_EXCLUSIVE               0x02000000
 248 #define FSF_UNIT_ACCESS_OUTBOUND_TRANSFER       0x10000000
 249
 250 /* FSF interface for CFDC */
 251 #define ZFCP_CFDC_MAX_SIZE              127 * 1024
 252 #define ZFCP_CFDC_PAGES                 PFN_UP(ZFCP_CFDC_MAX_SIZE)
 253
 254 struct zfcp_fsf_cfdc {
 255         struct scatterlist sg[ZFCP_CFDC_PAGES];
 256         u32 command;
 257         u32 option;
 258 };
 259
 260 struct fsf_queue_designator {
 261         u8  cssid;
 262         u8  chpid;
 263         u8  hla;
 264         u8  ua;
 265         u32 res1;
 266 } __attribute__ ((packed));
 267
 268 struct fsf_port_closed_payload {
 269         struct fsf_queue_designator queue_designator;
 270         u32                         port_handle;
 271 } __attribute__ ((packed));
 272
 273 struct fsf_bit_error_payload {
 274         u32 res1;
 275         u32 link_failure_error_count;
 276         u32 loss_of_sync_error_count;
 277         u32 loss_of_signal_error_count;
 278         u32 primitive_sequence_error_count;
 279         u32 invalid_transmission_word_error_count;
 280         u32 crc_error_count;
 281         u32 primitive_sequence_event_timeout_count;
 282         u32 elastic_buffer_overrun_error_count;
 283         u32 fcal_arbitration_timeout_count;
 284         u32 advertised_receive_b2b_credit;
 285         u32 current_receive_b2b_credit;
 286         u32 advertised_transmit_b2b_credit;
 287         u32 current_transmit_b2b_credit;
 288 } __attribute__ ((packed));
 289
 290 struct fsf_status_read_buffer {
 291         u32 status_type;
 292         u32 status_subtype;
 293         u32 length;
 294         u32 res1;
 295         struct fsf_queue_designator queue_designator;
 296         u32 d_id;
 297         u32 class;
 298         u64 fcp_lun;
 299         u8  res3[24];
 300         u8  payload[FSF_STATUS_READ_PAYLOAD_SIZE];
 301 } __attribute__ ((packed));
 302
 303 struct fsf_qual_version_error {
 304         u32 fsf_version;
 305         u32 res1[3];
 306 } __attribute__ ((packed));
 307
 308 struct fsf_qual_sequence_error {
 309         u32 exp_req_seq_no;
 310         u32 res1[3];
 311 } __attribute__ ((packed));
 312
 313 struct fsf_link_down_info {
 314         u32 error_code;
 315         u32 res1;
 316         u8 res2[2];
 317         u8 primary_status;
 318         u8 ioerr_code;
 319         u8 action_code;
 320         u8 reason_code;
 321         u8 explanation_code;
 322         u8 vendor_specific_code;
 323 } __attribute__ ((packed));
 324
 325 struct fsf_qual_latency_info {
 326         u32 channel_lat;
 327         u32 fabric_lat;
 328         u8 res1[8];
 329 } __attribute__ ((packed));
 330
 331 union fsf_prot_status_qual {
 332         u32 word[FSF_PROT_STATUS_QUAL_SIZE / sizeof(u32)];
 333         u64 doubleword[FSF_PROT_STATUS_QUAL_SIZE / sizeof(u64)];
 334         struct fsf_qual_version_error   version_error;
 335         struct fsf_qual_sequence_error  sequence_error;
 336         struct fsf_link_down_info link_down_info;
 337         struct fsf_qual_latency_info latency_info;
 338 } __attribute__ ((packed));
 339
 340 struct fsf_qtcb_prefix {
 341         u64 req_id;
 342         u32 qtcb_version;
 343         u32 ulp_info;
 344         u32 qtcb_type;
 345         u32 req_seq_no;
 346         u32 prot_status;
 347         union fsf_prot_status_qual prot_status_qual;
 348         u8  res1[20];
 349 } __attribute__ ((packed));
 350
 351 struct fsf_statistics_info {
 352         u64 input_req;
 353         u64 output_req;
 354         u64 control_req;
 355         u64 input_mb;
 356         u64 output_mb;
 357         u64 seconds_act;
 358 } __attribute__ ((packed));
 359
 360 union fsf_status_qual {
 361         u8  byte[FSF_STATUS_QUALIFIER_SIZE];
 362         u16 halfword[FSF_STATUS_QUALIFIER_SIZE / sizeof (u16)];
 363         u32 word[FSF_STATUS_QUALIFIER_SIZE / sizeof (u32)];
 364         u64 doubleword[FSF_STATUS_QUALIFIER_SIZE / sizeof(u64)];
 365         struct fsf_queue_designator fsf_queue_designator;
 366         struct fsf_link_down_info link_down_info;
 367 } __attribute__ ((packed));
 368
 369 struct fsf_qtcb_header {
 370         u64 req_handle;
 371         u32 fsf_command;
 372         u32 res1;
 373         u32 port_handle;
 374         u32 lun_handle;
 375         u32 res2;
 376         u32 fsf_status;
 377         union fsf_status_qual fsf_status_qual;
 378         u8  res3[28];
 379         u16 log_start;
 380         u16 log_length;
 381         u8  res4[16];
 382 } __attribute__ ((packed));
 383
 384 struct fsf_nport_serv_param {
 385         u8  common_serv_param[16];
 386         u64 wwpn;
 387         u64 wwnn;
 388         u8  class1_serv_param[16];
 389         u8  class2_serv_param[16];
 390         u8  class3_serv_param[16];
 391         u8  class4_serv_param[16];
 392         u8  vendor_version_level[16];
 393 } __attribute__ ((packed));
 394
 395 struct fsf_plogi {
 396         u32    code;
 397         struct fsf_nport_serv_param serv_param;
 398 } __attribute__ ((packed));
 399
 400 #define FSF_FCP_CMND_SIZE       288
 401 #define FSF_FCP_RSP_SIZE        128
 402
 403 struct fsf_qtcb_bottom_io {
 404         u32 data_direction;
 405         u32 service_class;
 406         u8  res1[8];
 407         u32 fcp_cmnd_length;
 408         u8  res2[12];
 409         u8  fcp_cmnd[FSF_FCP_CMND_SIZE];
 410         u8  fcp_rsp[FSF_FCP_RSP_SIZE];
 411         u8  res3[64];
 412 } __attribute__ ((packed));
 413
 414 struct fsf_qtcb_bottom_support {
 415         u32 operation_subtype;
 416         u8  res1[12];
 417         u32 d_id;
 418         u32 option;
 419         u64 fcp_lun;
 420         u64 res2;
 421         u64 req_handle;
 422         u32 service_class;
 423         u8  res3[3];
 424         u8  timeout;
 425         u32 lun_access_info;
 426         u8  res4[180];
 427         u32 els1_length;
 428         u32 els2_length;
 429         u32 req_buf_length;
 430         u32 resp_buf_length;
 431         u8  els[256];
 432 } __attribute__ ((packed));
 433
 434 struct fsf_qtcb_bottom_config {
 435         u32 lic_version;
 436         u32 feature_selection;
 437         u32 high_qtcb_version;
 438         u32 low_qtcb_version;
 439         u32 max_qtcb_size;
 440         u32 max_data_transfer_size;
 441         u32 adapter_features;
 442         u32 connection_features;
 443         u32 fc_topology;
 444         u32 fc_link_speed;
 445         u32 adapter_type;
 446         u32 peer_d_id;
 447         u8 res1[2];
 448         u16 timer_interval;
 449         u8 res2[8];
 450         u32 s_id;
 451         struct fsf_nport_serv_param nport_serv_param;
 452         u8 reserved_nport_serv_param[16];
 453         u8 res3[8];
 454         u32 adapter_ports;
 455         u32 hardware_version;
 456         u8 serial_number[32];
 457         struct fsf_nport_serv_param plogi_payload;
 458         struct fsf_statistics_info stat_info;
 459         u8 res4[112];
 460 } __attribute__ ((packed));
 461
 462 struct fsf_qtcb_bottom_port {
 463         u64 wwpn;
 464         u32 fc_port_id;
 465         u32 port_type;
 466         u32 port_state;
 467         u32 class_of_service;   /* should be 0x00000006 for class 2 and 3 */
 468         u8 supported_fc4_types[32]; /* should be 0x00000100 for scsi fcp */
 469         u8 active_fc4_types[32];
 470         u32 supported_speed;    /* 0x0001 for 1 GBit/s or 0x0002 for 2 GBit/s */
 471         u32 maximum_frame_size; /* fixed value of 2112 */
 472         u64 seconds_since_last_reset;
 473         u64 tx_frames;
 474         u64 tx_words;
 475         u64 rx_frames;
 476         u64 rx_words;
 477         u64 lip;                /* 0 */
 478         u64 nos;                /* currently 0 */
 479         u64 error_frames;       /* currently 0 */
 480         u64 dumped_frames;      /* currently 0 */
 481         u64 link_failure;
 482         u64 loss_of_sync;
 483         u64 loss_of_signal;
 484         u64 psp_error_counts;
 485         u64 invalid_tx_words;
 486         u64 invalid_crcs;
 487         u64 input_requests;
 488         u64 output_requests;
 489         u64 control_requests;
 490         u64 input_mb;           /* where 1 MByte == 1.000.000 Bytes */
 491         u64 output_mb;          /* where 1 MByte == 1.000.000 Bytes */
 492         u8 cp_util;
 493         u8 cb_util;
 494         u8 a_util;
 495         u8 res2[253];
 496 } __attribute__ ((packed));
 497
 498 union fsf_qtcb_bottom {
 499         struct fsf_qtcb_bottom_io      io;
 500         struct fsf_qtcb_bottom_support support;
 501         struct fsf_qtcb_bottom_config  config;
 502         struct fsf_qtcb_bottom_port port;
 503 };
 504
 505 struct fsf_qtcb {
 506         struct fsf_qtcb_prefix prefix;
 507         struct fsf_qtcb_header header;
 508         union  fsf_qtcb_bottom bottom;
 509         u8 log[FSF_QTCB_LOG_SIZE];
 510 } __attribute__ ((packed));
 511
 512 #endif                          /* FSF_H */