drivers/scsi/bnx2fc/bnx2fc_constants.h

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