linux/drivers/scsi/bnx2fc/bnx2fc_constants.h
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   1#ifndef __BNX2FC_CONSTANTS_H_
   2#define __BNX2FC_CONSTANTS_H_
   3
   4/**
   5 * This file defines HSI constants for the FCoE flows
   6 */
   7
   8/* Current FCoE HSI version number composed of two fields (16 bit) */
   9/* Implies on a change broken previous HSI */
  10#define FCOE_HSI_MAJOR_VERSION (2)
  11/* Implies on a change which does not broken previous HSI */
  12#define FCOE_HSI_MINOR_VERSION (1)
  13
  14/* KWQ/KCQ FCoE layer code */
  15#define FCOE_KWQE_LAYER_CODE   (7)
  16
  17/* KWQ (kernel work queue) request op codes */
  18#define FCOE_KWQE_OPCODE_INIT1                  (0)
  19#define FCOE_KWQE_OPCODE_INIT2                  (1)
  20#define FCOE_KWQE_OPCODE_INIT3                  (2)
  21#define FCOE_KWQE_OPCODE_OFFLOAD_CONN1  (3)
  22#define FCOE_KWQE_OPCODE_OFFLOAD_CONN2  (4)
  23#define FCOE_KWQE_OPCODE_OFFLOAD_CONN3  (5)
  24#define FCOE_KWQE_OPCODE_OFFLOAD_CONN4  (6)
  25#define FCOE_KWQE_OPCODE_ENABLE_CONN    (7)
  26#define FCOE_KWQE_OPCODE_DISABLE_CONN   (8)
  27#define FCOE_KWQE_OPCODE_DESTROY_CONN   (9)
  28#define FCOE_KWQE_OPCODE_DESTROY                (10)
  29#define FCOE_KWQE_OPCODE_STAT                   (11)
  30
  31/* KCQ (kernel completion queue) response op codes */
  32#define FCOE_KCQE_OPCODE_INIT_FUNC                              (0x10)
  33#define FCOE_KCQE_OPCODE_DESTROY_FUNC                   (0x11)
  34#define FCOE_KCQE_OPCODE_STAT_FUNC                              (0x12)
  35#define FCOE_KCQE_OPCODE_OFFLOAD_CONN                   (0x15)
  36#define FCOE_KCQE_OPCODE_ENABLE_CONN                    (0x16)
  37#define FCOE_KCQE_OPCODE_DISABLE_CONN                   (0x17)
  38#define FCOE_KCQE_OPCODE_DESTROY_CONN                   (0x18)
  39#define FCOE_KCQE_OPCODE_CQ_EVENT_NOTIFICATION  (0x20)
  40#define FCOE_KCQE_OPCODE_FCOE_ERROR                             (0x21)
  41
  42/* KCQ (kernel completion queue) completion status */
  43#define FCOE_KCQE_COMPLETION_STATUS_SUCCESS                             (0x0)
  44#define FCOE_KCQE_COMPLETION_STATUS_ERROR                               (0x1)
  45#define FCOE_KCQE_COMPLETION_STATUS_INVALID_OPCODE              (0x2)
  46#define FCOE_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE   (0x3)
  47#define FCOE_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE    (0x4)
  48#define FCOE_KCQE_COMPLETION_STATUS_NIC_ERROR                   (0x5)
  49#define FCOE_KCQE_COMPLETION_STATUS_WRONG_HSI_VERSION   (0x6)
  50#define FCOE_KCQE_COMPLETION_STATUS_PARITY_ERROR        (0x81)
  51
  52/* CQE type */
  53#define FCOE_PENDING_CQE_TYPE                   0
  54#define FCOE_UNSOLIC_CQE_TYPE                   1
  55
  56/* Unsolicited CQE type */
  57#define FCOE_UNSOLICITED_FRAME_CQE_TYPE                 0
  58#define FCOE_ERROR_DETECTION_CQE_TYPE                   1
  59#define FCOE_WARNING_DETECTION_CQE_TYPE                 2
  60
  61/* E_D_TOV timer resolution in ms */
  62#define FCOE_E_D_TOV_TIMER_RESOLUTION_MS (20)
  63
  64/* E_D_TOV timer resolution for SDM (4 micro) */
  65#define FCOE_E_D_TOV_SDM_TIMER_RESOLUTION                               \
  66        (FCOE_E_D_TOV_TIMER_RESOLUTION_MS * 1000 / 4)
  67
  68/* REC timer resolution in ms */
  69#define FCOE_REC_TIMER_RESOLUTION_MS (20)
  70
  71/* REC timer resolution for SDM (4 micro) */
  72#define FCOE_REC_SDM_TIMER_RESOLUTION (FCOE_REC_TIMER_RESOLUTION_MS * 1000 / 4)
  73
  74/* E_D_TOV timer default wraparound value (2 sec) in 20 ms resolution */
  75#define FCOE_E_D_TOV_DEFAULT_WRAPAROUND_VAL                     \
  76                        (2000 / FCOE_E_D_TOV_TIMER_RESOLUTION_MS)
  77
  78/* REC_TOV timer default wraparound value (3 sec) in 20 ms resolution */
  79#define FCOE_REC_TOV_DEFAULT_WRAPAROUND_VAL                     \
  80                        (3000 / FCOE_REC_TIMER_RESOLUTION_MS)
  81
  82#define FCOE_NUM_OF_TIMER_TASKS  (8 * 1024)
  83
  84#define FCOE_NUM_OF_CACHED_TASKS_TIMER (8)
  85
  86/* Task context constants */
  87/******** Remove FCP_CMD write tce sleep ***********************/
  88/* In case timer services are required then shall be updated by Xstorm after
  89 * start processing the task. In case no timer facilities are required then the
  90 * driver would initialize the state to this value
  91 *
  92#define FCOE_TASK_TX_STATE_NORMAL                               0
  93 * After driver has initialize the task in case timer services required *
  94#define FCOE_TASK_TX_STATE_INIT                                 1
  95******** Remove FCP_CMD write tce sleep ***********************/
  96/* After driver has initialize the task in case timer services required */
  97#define FCOE_TASK_TX_STATE_INIT                                 0
  98/* In case timer services are required then shall be updated by Xstorm after
  99 * start processing the task. In case no timer facilities are required then the
 100 * driver would initialize the state to this value
 101 */
 102#define FCOE_TASK_TX_STATE_NORMAL                               1
 103/* Task is under abort procedure. Updated in order to stop processing of
 104 * pending WQEs on this task
 105 */
 106#define FCOE_TASK_TX_STATE_ABORT                                2
 107/* For E_D_T_TOV timer expiration in Xstorm (Class 2 only) */
 108#define FCOE_TASK_TX_STATE_ERROR                                3
 109/* For REC_TOV timer expiration indication received from Xstorm */
 110#define FCOE_TASK_TX_STATE_WARNING                              4
 111/* For completed unsolicited task */
 112#define FCOE_TASK_TX_STATE_UNSOLICITED_COMPLETED                5
 113/* For exchange cleanup request task */
 114#define FCOE_TASK_TX_STATE_EXCHANGE_CLEANUP                     6
 115/* For sequence cleanup request task */
 116#define FCOE_TASK_TX_STATE_SEQUENCE_CLEANUP                     7
 117/* For completion the ABTS task. */
 118#define FCOE_TASK_TX_STATE_ABTS_TX                              8
 119
 120#define FCOE_TASK_RX_STATE_NORMAL                               0
 121#define FCOE_TASK_RX_STATE_COMPLETED                            1
 122/* Obsolete: Intermediate completion (middle path with local completion) */
 123#define FCOE_TASK_RX_STATE_INTER_COMP                           2
 124/* For REC_TOV timer expiration indication received from Xstorm */
 125#define FCOE_TASK_RX_STATE_WARNING                              3
 126/* For E_D_T_TOV timer expiration in Ustorm */
 127#define FCOE_TASK_RX_STATE_ERROR                                4
 128/* FW only: First visit at rx-path, part of the abts round trip */
 129#define FCOE_TASK_RX_STATE_ABTS_IN_PROCESS                      5
 130/* FW only: Second visit at rx-path, after ABTS frame transmitted */
 131#define FCOE_TASK_RX_STATE_ABTS_TRANSMITTED                     6
 132/* Special completion indication in case of task was aborted. */
 133#define FCOE_TASK_RX_STATE_ABTS_COMPLETED                       7
 134/* FW only: First visit at rx-path, part of the cleanup round trip */
 135#define FCOE_TASK_RX_STATE_EXCHANGE_CLEANUP_IN_PROCESS          8
 136/* FW only: Special completion indication in case of task was cleaned. */
 137#define FCOE_TASK_RX_STATE_EXCHANGE_CLEANUP_COMPLETED           9
 138/* Not in used: Special completion indication (in task requested the exchange
 139 * cleanup) in case cleaned task is in non-valid.
 140 */
 141#define FCOE_TASK_RX_STATE_ABORT_CLEANUP_COMPLETED              10
 142/* Special completion indication (in task requested the sequence cleanup) in
 143 * case cleaned task was already returned to normal.
 144 */
 145#define FCOE_TASK_RX_STATE_IGNORED_SEQUENCE_CLEANUP             11
 146
 147
 148#define FCOE_TASK_TYPE_WRITE                    0
 149#define FCOE_TASK_TYPE_READ                             1
 150#define FCOE_TASK_TYPE_MIDPATH                  2
 151#define FCOE_TASK_TYPE_UNSOLICITED              3
 152#define FCOE_TASK_TYPE_ABTS                             4
 153#define FCOE_TASK_TYPE_EXCHANGE_CLEANUP 5
 154#define FCOE_TASK_TYPE_SEQUENCE_CLEANUP 6
 155
 156#define FCOE_TASK_DEV_TYPE_DISK                 0
 157#define FCOE_TASK_DEV_TYPE_TAPE                 1
 158
 159#define FCOE_TASK_CLASS_TYPE_3                  0
 160#define FCOE_TASK_CLASS_TYPE_2                  1
 161
 162/* FCoE/FC packet fields  */
 163#define FCOE_ETH_TYPE                                   0x8906
 164
 165/* FCoE maximum elements in hash table */
 166#define FCOE_MAX_ELEMENTS_IN_HASH_TABLE_ROW     8
 167
 168/* FCoE half of the elements in hash table */
 169#define FCOE_HALF_ELEMENTS_IN_HASH_TABLE_ROW                    \
 170                        (FCOE_MAX_ELEMENTS_IN_HASH_TABLE_ROW / 2)
 171
 172/* FcoE number of cached T2 entries */
 173#define T_FCOE_NUMBER_OF_CACHED_T2_ENTRIES (4)
 174
 175/* FCoE maximum elements in hash table */
 176#define FCOE_HASH_TBL_CHUNK_SIZE        16384
 177
 178/* Everest FCoE connection type */
 179#define B577XX_FCOE_CONNECTION_TYPE             4
 180
 181/* FCoE number of rows (in log). This number derives
 182 * from the maximum connections supported which is 2048.
 183 * TBA: Need a different constant for E2
 184 */
 185#define FCOE_MAX_NUM_SESSIONS_LOG               11
 186
 187#define FC_ABTS_REPLY_MAX_PAYLOAD_LEN   12
 188
 189/* Error codes for Error Reporting in slow path flows */
 190#define FCOE_SLOW_PATH_ERROR_CODE_TOO_MANY_FUNCS                        0
 191#define FCOE_SLOW_PATH_ERROR_CODE_NO_LICENSE                            1
 192
 193/* Error codes for Error Reporting in fast path flows
 194 * XFER error codes
 195 */
 196#define FCOE_ERROR_CODE_XFER_OOO_RO                                     0
 197#define FCOE_ERROR_CODE_XFER_RO_NOT_ALIGNED                             1
 198#define FCOE_ERROR_CODE_XFER_NULL_BURST_LEN                             2
 199#define FCOE_ERROR_CODE_XFER_RO_GREATER_THAN_DATA2TRNS                  3
 200#define FCOE_ERROR_CODE_XFER_INVALID_PAYLOAD_SIZE                       4
 201#define FCOE_ERROR_CODE_XFER_TASK_TYPE_NOT_WRITE                        5
 202#define FCOE_ERROR_CODE_XFER_PEND_XFER_SET                              6
 203#define FCOE_ERROR_CODE_XFER_OPENED_SEQ                                 7
 204#define FCOE_ERROR_CODE_XFER_FCTL                                       8
 205
 206/* FCP RSP error codes */
 207#define FCOE_ERROR_CODE_FCP_RSP_BIDI_FLAGS_SET                          9
 208#define FCOE_ERROR_CODE_FCP_RSP_UNDERFLOW                               10
 209#define FCOE_ERROR_CODE_FCP_RSP_OVERFLOW                                11
 210#define FCOE_ERROR_CODE_FCP_RSP_INVALID_LENGTH_FIELD                    12
 211#define FCOE_ERROR_CODE_FCP_RSP_INVALID_SNS_FIELD                       13
 212#define FCOE_ERROR_CODE_FCP_RSP_INVALID_PAYLOAD_SIZE                    14
 213#define FCOE_ERROR_CODE_FCP_RSP_PEND_XFER_SET                           15
 214#define FCOE_ERROR_CODE_FCP_RSP_OPENED_SEQ                              16
 215#define FCOE_ERROR_CODE_FCP_RSP_FCTL                                    17
 216#define FCOE_ERROR_CODE_FCP_RSP_LAST_SEQ_RESET                          18
 217#define FCOE_ERROR_CODE_FCP_RSP_CONF_REQ_NOT_SUPPORTED_YET              19
 218
 219/* FCP DATA error codes */
 220#define FCOE_ERROR_CODE_DATA_OOO_RO                                     20
 221#define FCOE_ERROR_CODE_DATA_EXCEEDS_DEFINED_MAX_FRAME_SIZE             21
 222#define FCOE_ERROR_CODE_DATA_EXCEEDS_DATA2TRNS                          22
 223#define FCOE_ERROR_CODE_DATA_SOFI3_SEQ_ACTIVE_SET                       23
 224#define FCOE_ERROR_CODE_DATA_SOFN_SEQ_ACTIVE_RESET                      24
 225#define FCOE_ERROR_CODE_DATA_EOFN_END_SEQ_SET                           25
 226#define FCOE_ERROR_CODE_DATA_EOFT_END_SEQ_RESET                         26
 227#define FCOE_ERROR_CODE_DATA_TASK_TYPE_NOT_READ                         27
 228#define FCOE_ERROR_CODE_DATA_FCTL                                       28
 229
 230/* Middle path error codes */
 231#define FCOE_ERROR_CODE_MIDPATH_INVALID_TYPE                            29
 232#define FCOE_ERROR_CODE_MIDPATH_SOFI3_SEQ_ACTIVE_SET                    30
 233#define FCOE_ERROR_CODE_MIDPATH_SOFN_SEQ_ACTIVE_RESET                   31
 234#define FCOE_ERROR_CODE_MIDPATH_EOFN_END_SEQ_SET                        32
 235#define FCOE_ERROR_CODE_MIDPATH_EOFT_END_SEQ_RESET                      33
 236#define FCOE_ERROR_CODE_MIDPATH_REPLY_FCTL                              34
 237#define FCOE_ERROR_CODE_MIDPATH_INVALID_REPLY                           35
 238#define FCOE_ERROR_CODE_MIDPATH_ELS_REPLY_RCTL                          36
 239
 240/* ABTS error codes */
 241#define FCOE_ERROR_CODE_ABTS_REPLY_F_CTL                                37
 242#define FCOE_ERROR_CODE_ABTS_REPLY_DDF_RCTL_FIELD                       38
 243#define FCOE_ERROR_CODE_ABTS_REPLY_INVALID_BLS_RCTL                     39
 244#define FCOE_ERROR_CODE_ABTS_REPLY_INVALID_RCTL                         40
 245#define FCOE_ERROR_CODE_ABTS_REPLY_RCTL_GENERAL_MISMATCH                41
 246
 247/* Common error codes */
 248#define FCOE_ERROR_CODE_COMMON_MIDDLE_FRAME_WITH_PAD                    42
 249#define FCOE_ERROR_CODE_COMMON_SEQ_INIT_IN_TCE                          43
 250#define FCOE_ERROR_CODE_COMMON_FC_HDR_RX_ID_MISMATCH                    44
 251#define FCOE_ERROR_CODE_COMMON_INCORRECT_SEQ_CNT                        45
 252#define FCOE_ERROR_CODE_COMMON_DATA_FC_HDR_FCP_TYPE_MISMATCH            46
 253#define FCOE_ERROR_CODE_COMMON_DATA_NO_MORE_SGES                        47
 254#define FCOE_ERROR_CODE_COMMON_OPTIONAL_FC_HDR                          48
 255#define FCOE_ERROR_CODE_COMMON_READ_TCE_OX_ID_TOO_BIG                   49
 256#define FCOE_ERROR_CODE_COMMON_DATA_WAS_NOT_TRANSMITTED                 50
 257
 258/* Unsolicited Rx error codes */
 259#define FCOE_ERROR_CODE_UNSOLICITED_TYPE_NOT_ELS                        51
 260#define FCOE_ERROR_CODE_UNSOLICITED_TYPE_NOT_BLS                        52
 261#define FCOE_ERROR_CODE_UNSOLICITED_FCTL_ELS                            53
 262#define FCOE_ERROR_CODE_UNSOLICITED_FCTL_BLS                            54
 263#define FCOE_ERROR_CODE_UNSOLICITED_R_CTL                               55
 264
 265#define FCOE_ERROR_CODE_RW_TASK_DDF_RCTL_INFO_FIELD                     56
 266#define FCOE_ERROR_CODE_RW_TASK_INVALID_RCTL                            57
 267#define FCOE_ERROR_CODE_RW_TASK_RCTL_GENERAL_MISMATCH                   58
 268
 269/* Timer error codes */
 270#define FCOE_ERROR_CODE_E_D_TOV_TIMER_EXPIRATION                        60
 271#define FCOE_ERROR_CODE_REC_TOV_TIMER_EXPIRATION                        61
 272
 273
 274#endif /* BNX2FC_CONSTANTS_H_ */
 275