1 /* QLogic qed NIC Driver 2 * Copyright (c) 2015-2017 QLogic Corporation 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and /or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #ifndef __ISCSI_COMMON__ 34 #define __ISCSI_COMMON__ 35 /**********************/ 36 /* ISCSI FW CONSTANTS */ 37 /**********************/ 38 39 /* iSCSI HSI constants */ 40 #define ISCSI_DEFAULT_MTU (1500) 41 42 /* KWQ (kernel work queue) layer codes */ 43 #define ISCSI_SLOW_PATH_LAYER_CODE (6) 44 45 /* iSCSI parameter defaults */ 46 #define ISCSI_DEFAULT_HEADER_DIGEST (0) 47 #define ISCSI_DEFAULT_DATA_DIGEST (0) 48 #define ISCSI_DEFAULT_INITIAL_R2T (1) 49 #define ISCSI_DEFAULT_IMMEDIATE_DATA (1) 50 #define ISCSI_DEFAULT_MAX_PDU_LENGTH (0x2000) 51 #define ISCSI_DEFAULT_FIRST_BURST_LENGTH (0x10000) 52 #define ISCSI_DEFAULT_MAX_BURST_LENGTH (0x40000) 53 #define ISCSI_DEFAULT_MAX_OUTSTANDING_R2T (1) 54 55 /* iSCSI parameter limits */ 56 #define ISCSI_MIN_VAL_MAX_PDU_LENGTH (0x200) 57 #define ISCSI_MAX_VAL_MAX_PDU_LENGTH (0xffffff) 58 #define ISCSI_MIN_VAL_BURST_LENGTH (0x200) 59 #define ISCSI_MAX_VAL_BURST_LENGTH (0xffffff) 60 #define ISCSI_MIN_VAL_MAX_OUTSTANDING_R2T (1) 61 #define ISCSI_MAX_VAL_MAX_OUTSTANDING_R2T (0xff) 62 63 #define ISCSI_AHS_CNTL_SIZE 4 64 65 #define ISCSI_WQE_NUM_SGES_SLOWIO (0xf) 66 67 /* iSCSI reserved params */ 68 #define ISCSI_ITT_ALL_ONES (0xffffffff) 69 #define ISCSI_TTT_ALL_ONES (0xffffffff) 70 71 #define ISCSI_OPTION_1_OFF_CHIP_TCP 1 72 #define ISCSI_OPTION_2_ON_CHIP_TCP 2 73 74 #define ISCSI_INITIATOR_MODE 0 75 #define ISCSI_TARGET_MODE 1 76 77 /* iSCSI request op codes */ 78 #define ISCSI_OPCODE_NOP_OUT_NO_IMM (0) 79 #define ISCSI_OPCODE_NOP_OUT ( \ 80 ISCSI_OPCODE_NOP_OUT_NO_IMM | 0x40) 81 #define ISCSI_OPCODE_SCSI_CMD_NO_IMM (1) 82 #define ISCSI_OPCODE_SCSI_CMD ( \ 83 ISCSI_OPCODE_SCSI_CMD_NO_IMM | 0x40) 84 #define ISCSI_OPCODE_TMF_REQUEST_NO_IMM (2) 85 #define ISCSI_OPCODE_TMF_REQUEST ( \ 86 ISCSI_OPCODE_TMF_REQUEST_NO_IMM | 0x40) 87 #define ISCSI_OPCODE_LOGIN_REQUEST_NO_IMM (3) 88 #define ISCSI_OPCODE_LOGIN_REQUEST ( \ 89 ISCSI_OPCODE_LOGIN_REQUEST_NO_IMM | 0x40) 90 #define ISCSI_OPCODE_TEXT_REQUEST_NO_IMM (4) 91 #define ISCSI_OPCODE_TEXT_REQUEST ( \ 92 ISCSI_OPCODE_TEXT_REQUEST_NO_IMM | 0x40) 93 #define ISCSI_OPCODE_DATA_OUT (5) 94 #define ISCSI_OPCODE_LOGOUT_REQUEST_NO_IMM (6) 95 #define ISCSI_OPCODE_LOGOUT_REQUEST ( \ 96 ISCSI_OPCODE_LOGOUT_REQUEST_NO_IMM | 0x40) 97 98 /* iSCSI response/messages op codes */ 99 #define ISCSI_OPCODE_NOP_IN (0x20) 100 #define ISCSI_OPCODE_SCSI_RESPONSE (0x21) 101 #define ISCSI_OPCODE_TMF_RESPONSE (0x22) 102 #define ISCSI_OPCODE_LOGIN_RESPONSE (0x23) 103 #define ISCSI_OPCODE_TEXT_RESPONSE (0x24) 104 #define ISCSI_OPCODE_DATA_IN (0x25) 105 #define ISCSI_OPCODE_LOGOUT_RESPONSE (0x26) 106 #define ISCSI_OPCODE_R2T (0x31) 107 #define ISCSI_OPCODE_ASYNC_MSG (0x32) 108 #define ISCSI_OPCODE_REJECT (0x3f) 109 110 /* iSCSI stages */ 111 #define ISCSI_STAGE_SECURITY_NEGOTIATION (0) 112 #define ISCSI_STAGE_LOGIN_OPERATIONAL_NEGOTIATION (1) 113 #define ISCSI_STAGE_FULL_FEATURE_PHASE (3) 114 115 /* iSCSI CQE errors */ 116 #define CQE_ERROR_BITMAP_DATA_DIGEST (0x08) 117 #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN (0x10) 118 #define CQE_ERROR_BITMAP_DATA_TRUNCATED (0x20) 119 120 struct cqe_error_bitmap { 121 u8 cqe_error_status_bits; 122 #define CQE_ERROR_BITMAP_DIF_ERR_BITS_MASK 0x7 123 #define CQE_ERROR_BITMAP_DIF_ERR_BITS_SHIFT 0 124 #define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_MASK 0x1 125 #define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_SHIFT 3 126 #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_MASK 0x1 127 #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_SHIFT 4 128 #define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_MASK 0x1 129 #define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_SHIFT 5 130 #define CQE_ERROR_BITMAP_UNDER_RUN_ERR_MASK 0x1 131 #define CQE_ERROR_BITMAP_UNDER_RUN_ERR_SHIFT 6 132 #define CQE_ERROR_BITMAP_RESERVED2_MASK 0x1 133 #define CQE_ERROR_BITMAP_RESERVED2_SHIFT 7 134 }; 135 136 union cqe_error_status { 137 u8 error_status; 138 struct cqe_error_bitmap error_bits; 139 }; 140 141 struct data_hdr { 142 __le32 data[12]; 143 }; 144 145 struct iscsi_async_msg_hdr { 146 __le16 reserved0; 147 u8 flags_attr; 148 #define ISCSI_ASYNC_MSG_HDR_RSRV_MASK 0x7F 149 #define ISCSI_ASYNC_MSG_HDR_RSRV_SHIFT 0 150 #define ISCSI_ASYNC_MSG_HDR_CONST1_MASK 0x1 151 #define ISCSI_ASYNC_MSG_HDR_CONST1_SHIFT 7 152 u8 opcode; 153 __le32 hdr_second_dword; 154 #define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 155 #define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_SHIFT 0 156 #define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_MASK 0xFF 157 #define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_SHIFT 24 158 struct regpair lun; 159 __le32 all_ones; 160 __le32 reserved1; 161 __le32 stat_sn; 162 __le32 exp_cmd_sn; 163 __le32 max_cmd_sn; 164 __le16 param1_rsrv; 165 u8 async_vcode; 166 u8 async_event; 167 __le16 param3_rsrv; 168 __le16 param2_rsrv; 169 __le32 reserved7; 170 }; 171 172 struct iscsi_cmd_hdr { 173 __le16 reserved1; 174 u8 flags_attr; 175 #define ISCSI_CMD_HDR_ATTR_MASK 0x7 176 #define ISCSI_CMD_HDR_ATTR_SHIFT 0 177 #define ISCSI_CMD_HDR_RSRV_MASK 0x3 178 #define ISCSI_CMD_HDR_RSRV_SHIFT 3 179 #define ISCSI_CMD_HDR_WRITE_MASK 0x1 180 #define ISCSI_CMD_HDR_WRITE_SHIFT 5 181 #define ISCSI_CMD_HDR_READ_MASK 0x1 182 #define ISCSI_CMD_HDR_READ_SHIFT 6 183 #define ISCSI_CMD_HDR_FINAL_MASK 0x1 184 #define ISCSI_CMD_HDR_FINAL_SHIFT 7 185 u8 opcode; 186 __le32 hdr_second_dword; 187 #define ISCSI_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 188 #define ISCSI_CMD_HDR_DATA_SEG_LEN_SHIFT 0 189 #define ISCSI_CMD_HDR_TOTAL_AHS_LEN_MASK 0xFF 190 #define ISCSI_CMD_HDR_TOTAL_AHS_LEN_SHIFT 24 191 struct regpair lun; 192 __le32 itt; 193 __le32 expected_transfer_length; 194 __le32 cmd_sn; 195 __le32 exp_stat_sn; 196 __le32 cdb[4]; 197 }; 198 199 struct iscsi_common_hdr { 200 u8 hdr_status; 201 u8 hdr_response; 202 u8 hdr_flags; 203 u8 hdr_first_byte; 204 #define ISCSI_COMMON_HDR_OPCODE_MASK 0x3F 205 #define ISCSI_COMMON_HDR_OPCODE_SHIFT 0 206 #define ISCSI_COMMON_HDR_IMM_MASK 0x1 207 #define ISCSI_COMMON_HDR_IMM_SHIFT 6 208 #define ISCSI_COMMON_HDR_RSRV_MASK 0x1 209 #define ISCSI_COMMON_HDR_RSRV_SHIFT 7 210 __le32 hdr_second_dword; 211 #define ISCSI_COMMON_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 212 #define ISCSI_COMMON_HDR_DATA_SEG_LEN_SHIFT 0 213 #define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_MASK 0xFF 214 #define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_SHIFT 24 215 struct regpair lun_reserved; 216 __le32 itt; 217 __le32 ttt; 218 __le32 cmdstat_sn; 219 __le32 exp_statcmd_sn; 220 __le32 max_cmd_sn; 221 __le32 data[3]; 222 }; 223 224 struct iscsi_conn_offload_params { 225 struct regpair sq_pbl_addr; 226 struct regpair r2tq_pbl_addr; 227 struct regpair xhq_pbl_addr; 228 struct regpair uhq_pbl_addr; 229 __le32 initial_ack; 230 __le16 physical_q0; 231 __le16 physical_q1; 232 u8 flags; 233 #define ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_MASK 0x1 234 #define ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_SHIFT 0 235 #define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_MASK 0x1 236 #define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_SHIFT 1 237 #define ISCSI_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_MASK 0x1 238 #define ISCSI_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_SHIFT 2 239 #define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_MASK 0x1F 240 #define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_SHIFT 3 241 u8 pbl_page_size_log; 242 u8 pbe_page_size_log; 243 u8 default_cq; 244 __le32 stat_sn; 245 }; 246 247 struct iscsi_slow_path_hdr { 248 u8 op_code; 249 u8 flags; 250 #define ISCSI_SLOW_PATH_HDR_RESERVED0_MASK 0xF 251 #define ISCSI_SLOW_PATH_HDR_RESERVED0_SHIFT 0 252 #define ISCSI_SLOW_PATH_HDR_LAYER_CODE_MASK 0x7 253 #define ISCSI_SLOW_PATH_HDR_LAYER_CODE_SHIFT 4 254 #define ISCSI_SLOW_PATH_HDR_RESERVED1_MASK 0x1 255 #define ISCSI_SLOW_PATH_HDR_RESERVED1_SHIFT 7 256 }; 257 258 struct iscsi_conn_update_ramrod_params { 259 struct iscsi_slow_path_hdr hdr; 260 __le16 conn_id; 261 __le32 fw_cid; 262 u8 flags; 263 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_MASK 0x1 264 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_SHIFT 0 265 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_MASK 0x1 266 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_SHIFT 1 267 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_MASK 0x1 268 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_SHIFT 2 269 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_MASK 0x1 270 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_SHIFT 3 271 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_BLOCK_SIZE_MASK 0x1 272 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_BLOCK_SIZE_SHIFT 4 273 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_HOST_EN_MASK 0x1 274 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_HOST_EN_SHIFT 5 275 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_RESERVED1_MASK 0x3 276 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_RESERVED1_SHIFT 6 277 u8 reserved0[3]; 278 __le32 max_seq_size; 279 __le32 max_send_pdu_length; 280 __le32 max_recv_pdu_length; 281 __le32 first_seq_length; 282 __le32 exp_stat_sn; 283 }; 284 285 struct iscsi_ext_cdb_cmd_hdr { 286 __le16 reserved1; 287 u8 flags_attr; 288 #define ISCSI_EXT_CDB_CMD_HDR_ATTR_MASK 0x7 289 #define ISCSI_EXT_CDB_CMD_HDR_ATTR_SHIFT 0 290 #define ISCSI_EXT_CDB_CMD_HDR_RSRV_MASK 0x3 291 #define ISCSI_EXT_CDB_CMD_HDR_RSRV_SHIFT 3 292 #define ISCSI_EXT_CDB_CMD_HDR_WRITE_MASK 0x1 293 #define ISCSI_EXT_CDB_CMD_HDR_WRITE_SHIFT 5 294 #define ISCSI_EXT_CDB_CMD_HDR_READ_MASK 0x1 295 #define ISCSI_EXT_CDB_CMD_HDR_READ_SHIFT 6 296 #define ISCSI_EXT_CDB_CMD_HDR_FINAL_MASK 0x1 297 #define ISCSI_EXT_CDB_CMD_HDR_FINAL_SHIFT 7 298 u8 opcode; 299 __le32 hdr_second_dword; 300 #define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 301 #define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_SHIFT 0 302 #define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_MASK 0xFF 303 #define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_SHIFT 24 304 struct regpair lun; 305 __le32 itt; 306 __le32 expected_transfer_length; 307 __le32 cmd_sn; 308 __le32 exp_stat_sn; 309 struct scsi_sge cdb_sge; 310 }; 311 312 struct iscsi_login_req_hdr { 313 u8 version_min; 314 u8 version_max; 315 u8 flags_attr; 316 #define ISCSI_LOGIN_REQ_HDR_NSG_MASK 0x3 317 #define ISCSI_LOGIN_REQ_HDR_NSG_SHIFT 0 318 #define ISCSI_LOGIN_REQ_HDR_CSG_MASK 0x3 319 #define ISCSI_LOGIN_REQ_HDR_CSG_SHIFT 2 320 #define ISCSI_LOGIN_REQ_HDR_RSRV_MASK 0x3 321 #define ISCSI_LOGIN_REQ_HDR_RSRV_SHIFT 4 322 #define ISCSI_LOGIN_REQ_HDR_C_MASK 0x1 323 #define ISCSI_LOGIN_REQ_HDR_C_SHIFT 6 324 #define ISCSI_LOGIN_REQ_HDR_T_MASK 0x1 325 #define ISCSI_LOGIN_REQ_HDR_T_SHIFT 7 326 u8 opcode; 327 __le32 hdr_second_dword; 328 #define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 329 #define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_SHIFT 0 330 #define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_MASK 0xFF 331 #define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_SHIFT 24 332 __le32 isid_tabc; 333 __le16 tsih; 334 __le16 isid_d; 335 __le32 itt; 336 __le16 reserved1; 337 __le16 cid; 338 __le32 cmd_sn; 339 __le32 exp_stat_sn; 340 __le32 reserved2[4]; 341 }; 342 343 struct iscsi_logout_req_hdr { 344 __le16 reserved0; 345 u8 reason_code; 346 u8 opcode; 347 __le32 reserved1; 348 __le32 reserved2[2]; 349 __le32 itt; 350 __le16 reserved3; 351 __le16 cid; 352 __le32 cmd_sn; 353 __le32 exp_stat_sn; 354 __le32 reserved4[4]; 355 }; 356 357 struct iscsi_data_out_hdr { 358 __le16 reserved1; 359 u8 flags_attr; 360 #define ISCSI_DATA_OUT_HDR_RSRV_MASK 0x7F 361 #define ISCSI_DATA_OUT_HDR_RSRV_SHIFT 0 362 #define ISCSI_DATA_OUT_HDR_FINAL_MASK 0x1 363 #define ISCSI_DATA_OUT_HDR_FINAL_SHIFT 7 364 u8 opcode; 365 __le32 reserved2; 366 struct regpair lun; 367 __le32 itt; 368 __le32 ttt; 369 __le32 reserved3; 370 __le32 exp_stat_sn; 371 __le32 reserved4; 372 __le32 data_sn; 373 __le32 buffer_offset; 374 __le32 reserved5; 375 }; 376 377 struct iscsi_data_in_hdr { 378 u8 status_rsvd; 379 u8 reserved1; 380 u8 flags; 381 #define ISCSI_DATA_IN_HDR_STATUS_MASK 0x1 382 #define ISCSI_DATA_IN_HDR_STATUS_SHIFT 0 383 #define ISCSI_DATA_IN_HDR_UNDERFLOW_MASK 0x1 384 #define ISCSI_DATA_IN_HDR_UNDERFLOW_SHIFT 1 385 #define ISCSI_DATA_IN_HDR_OVERFLOW_MASK 0x1 386 #define ISCSI_DATA_IN_HDR_OVERFLOW_SHIFT 2 387 #define ISCSI_DATA_IN_HDR_RSRV_MASK 0x7 388 #define ISCSI_DATA_IN_HDR_RSRV_SHIFT 3 389 #define ISCSI_DATA_IN_HDR_ACK_MASK 0x1 390 #define ISCSI_DATA_IN_HDR_ACK_SHIFT 6 391 #define ISCSI_DATA_IN_HDR_FINAL_MASK 0x1 392 #define ISCSI_DATA_IN_HDR_FINAL_SHIFT 7 393 u8 opcode; 394 __le32 reserved2; 395 struct regpair lun; 396 __le32 itt; 397 __le32 ttt; 398 __le32 stat_sn; 399 __le32 exp_cmd_sn; 400 __le32 max_cmd_sn; 401 __le32 data_sn; 402 __le32 buffer_offset; 403 __le32 residual_count; 404 }; 405 406 struct iscsi_r2t_hdr { 407 u8 reserved0[3]; 408 u8 opcode; 409 __le32 reserved2; 410 struct regpair lun; 411 __le32 itt; 412 __le32 ttt; 413 __le32 stat_sn; 414 __le32 exp_cmd_sn; 415 __le32 max_cmd_sn; 416 __le32 r2t_sn; 417 __le32 buffer_offset; 418 __le32 desired_data_trns_len; 419 }; 420 421 struct iscsi_nop_out_hdr { 422 __le16 reserved1; 423 u8 flags_attr; 424 #define ISCSI_NOP_OUT_HDR_RSRV_MASK 0x7F 425 #define ISCSI_NOP_OUT_HDR_RSRV_SHIFT 0 426 #define ISCSI_NOP_OUT_HDR_CONST1_MASK 0x1 427 #define ISCSI_NOP_OUT_HDR_CONST1_SHIFT 7 428 u8 opcode; 429 __le32 reserved2; 430 struct regpair lun; 431 __le32 itt; 432 __le32 ttt; 433 __le32 cmd_sn; 434 __le32 exp_stat_sn; 435 __le32 reserved3; 436 __le32 reserved4; 437 __le32 reserved5; 438 __le32 reserved6; 439 }; 440 441 struct iscsi_nop_in_hdr { 442 __le16 reserved0; 443 u8 flags_attr; 444 #define ISCSI_NOP_IN_HDR_RSRV_MASK 0x7F 445 #define ISCSI_NOP_IN_HDR_RSRV_SHIFT 0 446 #define ISCSI_NOP_IN_HDR_CONST1_MASK 0x1 447 #define ISCSI_NOP_IN_HDR_CONST1_SHIFT 7 448 u8 opcode; 449 __le32 hdr_second_dword; 450 #define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 451 #define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_SHIFT 0 452 #define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_MASK 0xFF 453 #define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_SHIFT 24 454 struct regpair lun; 455 __le32 itt; 456 __le32 ttt; 457 __le32 stat_sn; 458 __le32 exp_cmd_sn; 459 __le32 max_cmd_sn; 460 __le32 reserved5; 461 __le32 reserved6; 462 __le32 reserved7; 463 }; 464 465 struct iscsi_login_response_hdr { 466 u8 version_active; 467 u8 version_max; 468 u8 flags_attr; 469 #define ISCSI_LOGIN_RESPONSE_HDR_NSG_MASK 0x3 470 #define ISCSI_LOGIN_RESPONSE_HDR_NSG_SHIFT 0 471 #define ISCSI_LOGIN_RESPONSE_HDR_CSG_MASK 0x3 472 #define ISCSI_LOGIN_RESPONSE_HDR_CSG_SHIFT 2 473 #define ISCSI_LOGIN_RESPONSE_HDR_RSRV_MASK 0x3 474 #define ISCSI_LOGIN_RESPONSE_HDR_RSRV_SHIFT 4 475 #define ISCSI_LOGIN_RESPONSE_HDR_C_MASK 0x1 476 #define ISCSI_LOGIN_RESPONSE_HDR_C_SHIFT 6 477 #define ISCSI_LOGIN_RESPONSE_HDR_T_MASK 0x1 478 #define ISCSI_LOGIN_RESPONSE_HDR_T_SHIFT 7 479 u8 opcode; 480 __le32 hdr_second_dword; 481 #define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 482 #define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 483 #define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF 484 #define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 485 __le32 isid_tabc; 486 __le16 tsih; 487 __le16 isid_d; 488 __le32 itt; 489 __le32 reserved1; 490 __le32 stat_sn; 491 __le32 exp_cmd_sn; 492 __le32 max_cmd_sn; 493 __le16 reserved2; 494 u8 status_detail; 495 u8 status_class; 496 __le32 reserved4[2]; 497 }; 498 499 struct iscsi_logout_response_hdr { 500 u8 reserved1; 501 u8 response; 502 u8 flags; 503 u8 opcode; 504 __le32 hdr_second_dword; 505 #define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 506 #define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 507 #define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF 508 #define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 509 __le32 reserved2[2]; 510 __le32 itt; 511 __le32 reserved3; 512 __le32 stat_sn; 513 __le32 exp_cmd_sn; 514 __le32 max_cmd_sn; 515 __le32 reserved4; 516 __le16 time_2_retain; 517 __le16 time_2_wait; 518 __le32 reserved5[1]; 519 }; 520 521 struct iscsi_text_request_hdr { 522 __le16 reserved0; 523 u8 flags_attr; 524 #define ISCSI_TEXT_REQUEST_HDR_RSRV_MASK 0x3F 525 #define ISCSI_TEXT_REQUEST_HDR_RSRV_SHIFT 0 526 #define ISCSI_TEXT_REQUEST_HDR_C_MASK 0x1 527 #define ISCSI_TEXT_REQUEST_HDR_C_SHIFT 6 528 #define ISCSI_TEXT_REQUEST_HDR_F_MASK 0x1 529 #define ISCSI_TEXT_REQUEST_HDR_F_SHIFT 7 530 u8 opcode; 531 __le32 hdr_second_dword; 532 #define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 533 #define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0 534 #define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF 535 #define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24 536 struct regpair lun; 537 __le32 itt; 538 __le32 ttt; 539 __le32 cmd_sn; 540 __le32 exp_stat_sn; 541 __le32 reserved4[4]; 542 }; 543 544 struct iscsi_text_response_hdr { 545 __le16 reserved1; 546 u8 flags; 547 #define ISCSI_TEXT_RESPONSE_HDR_RSRV_MASK 0x3F 548 #define ISCSI_TEXT_RESPONSE_HDR_RSRV_SHIFT 0 549 #define ISCSI_TEXT_RESPONSE_HDR_C_MASK 0x1 550 #define ISCSI_TEXT_RESPONSE_HDR_C_SHIFT 6 551 #define ISCSI_TEXT_RESPONSE_HDR_F_MASK 0x1 552 #define ISCSI_TEXT_RESPONSE_HDR_F_SHIFT 7 553 u8 opcode; 554 __le32 hdr_second_dword; 555 #define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 556 #define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 557 #define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF 558 #define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 559 struct regpair lun; 560 __le32 itt; 561 __le32 ttt; 562 __le32 stat_sn; 563 __le32 exp_cmd_sn; 564 __le32 max_cmd_sn; 565 __le32 reserved4[3]; 566 }; 567 568 struct iscsi_tmf_request_hdr { 569 __le16 reserved0; 570 u8 function; 571 u8 opcode; 572 __le32 hdr_second_dword; 573 #define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 574 #define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0 575 #define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF 576 #define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24 577 struct regpair lun; 578 __le32 itt; 579 __le32 rtt; 580 __le32 cmd_sn; 581 __le32 exp_stat_sn; 582 __le32 ref_cmd_sn; 583 __le32 exp_data_sn; 584 __le32 reserved4[2]; 585 }; 586 587 struct iscsi_tmf_response_hdr { 588 u8 reserved2; 589 u8 hdr_response; 590 u8 hdr_flags; 591 u8 opcode; 592 __le32 hdr_second_dword; 593 #define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 594 #define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 595 #define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF 596 #define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 597 struct regpair reserved0; 598 __le32 itt; 599 __le32 reserved1; 600 __le32 stat_sn; 601 __le32 exp_cmd_sn; 602 __le32 max_cmd_sn; 603 __le32 reserved4[3]; 604 }; 605 606 struct iscsi_response_hdr { 607 u8 hdr_status; 608 u8 hdr_response; 609 u8 hdr_flags; 610 u8 opcode; 611 __le32 hdr_second_dword; 612 #define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 613 #define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 614 #define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF 615 #define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 616 struct regpair lun; 617 __le32 itt; 618 __le32 snack_tag; 619 __le32 stat_sn; 620 __le32 exp_cmd_sn; 621 __le32 max_cmd_sn; 622 __le32 exp_data_sn; 623 __le32 bi_residual_count; 624 __le32 residual_count; 625 }; 626 627 struct iscsi_reject_hdr { 628 u8 reserved4; 629 u8 hdr_reason; 630 u8 hdr_flags; 631 u8 opcode; 632 __le32 hdr_second_dword; 633 #define ISCSI_REJECT_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 634 #define ISCSI_REJECT_HDR_DATA_SEG_LEN_SHIFT 0 635 #define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_MASK 0xFF 636 #define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_SHIFT 24 637 struct regpair reserved0; 638 __le32 all_ones; 639 __le32 reserved2; 640 __le32 stat_sn; 641 __le32 exp_cmd_sn; 642 __le32 max_cmd_sn; 643 __le32 data_sn; 644 __le32 reserved3[2]; 645 }; 646 647 union iscsi_task_hdr { 648 struct iscsi_common_hdr common; 649 struct data_hdr data; 650 struct iscsi_cmd_hdr cmd; 651 struct iscsi_ext_cdb_cmd_hdr ext_cdb_cmd; 652 struct iscsi_login_req_hdr login_req; 653 struct iscsi_logout_req_hdr logout_req; 654 struct iscsi_data_out_hdr data_out; 655 struct iscsi_data_in_hdr data_in; 656 struct iscsi_r2t_hdr r2t; 657 struct iscsi_nop_out_hdr nop_out; 658 struct iscsi_nop_in_hdr nop_in; 659 struct iscsi_login_response_hdr login_response; 660 struct iscsi_logout_response_hdr logout_response; 661 struct iscsi_text_request_hdr text_request; 662 struct iscsi_text_response_hdr text_response; 663 struct iscsi_tmf_request_hdr tmf_request; 664 struct iscsi_tmf_response_hdr tmf_response; 665 struct iscsi_response_hdr response; 666 struct iscsi_reject_hdr reject; 667 struct iscsi_async_msg_hdr async_msg; 668 }; 669 670 struct iscsi_cqe_common { 671 __le16 conn_id; 672 u8 cqe_type; 673 union cqe_error_status error_bitmap; 674 __le32 reserved[3]; 675 union iscsi_task_hdr iscsi_hdr; 676 }; 677 678 struct iscsi_cqe_solicited { 679 __le16 conn_id; 680 u8 cqe_type; 681 union cqe_error_status error_bitmap; 682 __le16 itid; 683 u8 task_type; 684 u8 fw_dbg_field; 685 u8 caused_conn_err; 686 u8 reserved0[3]; 687 __le32 reserved1[1]; 688 union iscsi_task_hdr iscsi_hdr; 689 }; 690 691 struct iscsi_cqe_unsolicited { 692 __le16 conn_id; 693 u8 cqe_type; 694 union cqe_error_status error_bitmap; 695 __le16 reserved0; 696 u8 reserved1; 697 u8 unsol_cqe_type; 698 struct regpair rqe_opaque; 699 union iscsi_task_hdr iscsi_hdr; 700 }; 701 702 union iscsi_cqe { 703 struct iscsi_cqe_common cqe_common; 704 struct iscsi_cqe_solicited cqe_solicited; 705 struct iscsi_cqe_unsolicited cqe_unsolicited; 706 }; 707 708 enum iscsi_cqes_type { 709 ISCSI_CQE_TYPE_SOLICITED = 1, 710 ISCSI_CQE_TYPE_UNSOLICITED, 711 ISCSI_CQE_TYPE_SOLICITED_WITH_SENSE, 712 ISCSI_CQE_TYPE_TASK_CLEANUP, 713 ISCSI_CQE_TYPE_DUMMY, 714 MAX_ISCSI_CQES_TYPE 715 }; 716 717 enum iscsi_cqe_unsolicited_type { 718 ISCSI_CQE_UNSOLICITED_NONE, 719 ISCSI_CQE_UNSOLICITED_SINGLE, 720 ISCSI_CQE_UNSOLICITED_FIRST, 721 ISCSI_CQE_UNSOLICITED_MIDDLE, 722 ISCSI_CQE_UNSOLICITED_LAST, 723 MAX_ISCSI_CQE_UNSOLICITED_TYPE 724 }; 725 726 727 struct iscsi_debug_modes { 728 u8 flags; 729 #define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_MASK 0x1 730 #define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_SHIFT 0 731 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_MASK 0x1 732 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_SHIFT 1 733 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_MASK 0x1 734 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_SHIFT 2 735 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_MASK 0x1 736 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_SHIFT 3 737 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_MASK 0x1 738 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_SHIFT 4 739 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_MASK 0x1 740 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_SHIFT 5 741 #define ISCSI_DEBUG_MODES_ASSERT_IF_DATA_DIGEST_ERROR_MASK 0x1 742 #define ISCSI_DEBUG_MODES_ASSERT_IF_DATA_DIGEST_ERROR_SHIFT 6 743 #define ISCSI_DEBUG_MODES_ASSERT_IF_DIF_ERROR_MASK 0x1 744 #define ISCSI_DEBUG_MODES_ASSERT_IF_DIF_ERROR_SHIFT 7 745 }; 746 747 struct iscsi_dif_flags { 748 u8 flags; 749 #define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_MASK 0xF 750 #define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_SHIFT 0 751 #define ISCSI_DIF_FLAGS_DIF_TO_PEER_MASK 0x1 752 #define ISCSI_DIF_FLAGS_DIF_TO_PEER_SHIFT 4 753 #define ISCSI_DIF_FLAGS_HOST_INTERFACE_MASK 0x7 754 #define ISCSI_DIF_FLAGS_HOST_INTERFACE_SHIFT 5 755 }; 756 757 enum iscsi_eqe_opcode { 758 ISCSI_EVENT_TYPE_INIT_FUNC = 0, 759 ISCSI_EVENT_TYPE_DESTROY_FUNC, 760 ISCSI_EVENT_TYPE_OFFLOAD_CONN, 761 ISCSI_EVENT_TYPE_UPDATE_CONN, 762 ISCSI_EVENT_TYPE_CLEAR_SQ, 763 ISCSI_EVENT_TYPE_TERMINATE_CONN, 764 ISCSI_EVENT_TYPE_MAC_UPDATE_CONN, 765 ISCSI_EVENT_TYPE_ASYN_CONNECT_COMPLETE, 766 ISCSI_EVENT_TYPE_ASYN_TERMINATE_DONE, 767 RESERVED9, 768 ISCSI_EVENT_TYPE_START_OF_ERROR_TYPES = 10, 769 ISCSI_EVENT_TYPE_ASYN_ABORT_RCVD, 770 ISCSI_EVENT_TYPE_ASYN_CLOSE_RCVD, 771 ISCSI_EVENT_TYPE_ASYN_SYN_RCVD, 772 ISCSI_EVENT_TYPE_ASYN_MAX_RT_TIME, 773 ISCSI_EVENT_TYPE_ASYN_MAX_RT_CNT, 774 ISCSI_EVENT_TYPE_ASYN_MAX_KA_PROBES_CNT, 775 ISCSI_EVENT_TYPE_ASYN_FIN_WAIT2, 776 ISCSI_EVENT_TYPE_ISCSI_CONN_ERROR, 777 ISCSI_EVENT_TYPE_TCP_CONN_ERROR, 778 MAX_ISCSI_EQE_OPCODE 779 }; 780 781 enum iscsi_error_types { 782 ISCSI_STATUS_NONE = 0, 783 ISCSI_CQE_ERROR_UNSOLICITED_RCV_ON_INVALID_CONN = 1, 784 ISCSI_CONN_ERROR_TASK_CID_MISMATCH, 785 ISCSI_CONN_ERROR_TASK_NOT_VALID, 786 ISCSI_CONN_ERROR_RQ_RING_IS_FULL, 787 ISCSI_CONN_ERROR_CMDQ_RING_IS_FULL, 788 ISCSI_CONN_ERROR_HQE_CACHING_FAILED, 789 ISCSI_CONN_ERROR_HEADER_DIGEST_ERROR, 790 ISCSI_CONN_ERROR_LOCAL_COMPLETION_ERROR, 791 ISCSI_CONN_ERROR_DATA_OVERRUN, 792 ISCSI_CONN_ERROR_OUT_OF_SGES_ERROR, 793 ISCSI_CONN_ERROR_TCP_SEG_PROC_URG_ERROR, 794 ISCSI_CONN_ERROR_TCP_SEG_PROC_IP_OPTIONS_ERROR, 795 ISCSI_CONN_ERROR_TCP_SEG_PROC_CONNECT_INVALID_WS_OPTION, 796 ISCSI_CONN_ERROR_TCP_IP_FRAGMENT_ERROR, 797 ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_LEN, 798 ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_TYPE, 799 ISCSI_CONN_ERROR_PROTOCOL_ERR_ITT_OUT_OF_RANGE, 800 ISCSI_CONN_ERROR_PROTOCOL_ERR_TTT_OUT_OF_RANGE, 801 ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_EXCEEDS_PDU_SIZE, 802 ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE, 803 ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE_BEFORE_UPDATE, 804 ISCSI_CONN_ERROR_UNVALID_NOPIN_DSL, 805 ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_CARRIES_NO_DATA, 806 ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SN, 807 ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_IN_TTT, 808 ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_OUT_ITT, 809 ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_TTT, 810 ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_BUFFER_OFFSET, 811 ISCSI_CONN_ERROR_PROTOCOL_ERR_BUFFER_OFFSET_OOO, 812 ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_SN, 813 ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0, 814 ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1, 815 ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_2, 816 ISCSI_CONN_ERROR_PROTOCOL_ERR_LUN, 817 ISCSI_CONN_ERROR_PROTOCOL_ERR_F_BIT_ZERO, 818 ISCSI_CONN_ERROR_PROTOCOL_ERR_F_BIT_ZERO_S_BIT_ONE, 819 ISCSI_CONN_ERROR_PROTOCOL_ERR_EXP_STAT_SN, 820 ISCSI_CONN_ERROR_PROTOCOL_ERR_DSL_NOT_ZERO, 821 ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_DSL, 822 ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG, 823 ISCSI_CONN_ERROR_PROTOCOL_ERR_OUTSTANDING_R2T_COUNT, 824 ISCSI_CONN_ERROR_PROTOCOL_ERR_DIF_TX, 825 ISCSI_CONN_ERROR_SENSE_DATA_LENGTH, 826 ISCSI_CONN_ERROR_DATA_PLACEMENT_ERROR, 827 ISCSI_CONN_ERROR_INVALID_ITT, 828 ISCSI_ERROR_UNKNOWN, 829 MAX_ISCSI_ERROR_TYPES 830 }; 831 832 833 enum iscsi_ramrod_cmd_id { 834 ISCSI_RAMROD_CMD_ID_UNUSED = 0, 835 ISCSI_RAMROD_CMD_ID_INIT_FUNC = 1, 836 ISCSI_RAMROD_CMD_ID_DESTROY_FUNC = 2, 837 ISCSI_RAMROD_CMD_ID_OFFLOAD_CONN = 3, 838 ISCSI_RAMROD_CMD_ID_UPDATE_CONN = 4, 839 ISCSI_RAMROD_CMD_ID_TERMINATION_CONN = 5, 840 ISCSI_RAMROD_CMD_ID_CLEAR_SQ = 6, 841 ISCSI_RAMROD_CMD_ID_MAC_UPDATE = 7, 842 MAX_ISCSI_RAMROD_CMD_ID 843 }; 844 845 struct iscsi_reg1 { 846 __le32 reg1_map; 847 #define ISCSI_REG1_NUM_SGES_MASK 0xF 848 #define ISCSI_REG1_NUM_SGES_SHIFT 0 849 #define ISCSI_REG1_RESERVED1_MASK 0xFFFFFFF 850 #define ISCSI_REG1_RESERVED1_SHIFT 4 851 }; 852 853 union iscsi_seq_num { 854 __le16 data_sn; 855 __le16 r2t_sn; 856 }; 857 858 struct iscsi_spe_conn_mac_update { 859 struct iscsi_slow_path_hdr hdr; 860 __le16 conn_id; 861 __le32 fw_cid; 862 __le16 remote_mac_addr_lo; 863 __le16 remote_mac_addr_mid; 864 __le16 remote_mac_addr_hi; 865 u8 reserved0[2]; 866 }; 867 868 struct iscsi_spe_conn_offload { 869 struct iscsi_slow_path_hdr hdr; 870 __le16 conn_id; 871 __le32 fw_cid; 872 struct iscsi_conn_offload_params iscsi; 873 struct tcp_offload_params tcp; 874 }; 875 876 struct iscsi_spe_conn_offload_option2 { 877 struct iscsi_slow_path_hdr hdr; 878 __le16 conn_id; 879 __le32 fw_cid; 880 struct iscsi_conn_offload_params iscsi; 881 struct tcp_offload_params_opt2 tcp; 882 }; 883 884 struct iscsi_spe_conn_termination { 885 struct iscsi_slow_path_hdr hdr; 886 __le16 conn_id; 887 __le32 fw_cid; 888 u8 abortive; 889 u8 reserved0[7]; 890 struct regpair queue_cnts_addr; 891 struct regpair query_params_addr; 892 }; 893 894 struct iscsi_spe_func_dstry { 895 struct iscsi_slow_path_hdr hdr; 896 __le16 reserved0; 897 __le32 reserved1; 898 }; 899 900 struct iscsi_spe_func_init { 901 struct iscsi_slow_path_hdr hdr; 902 __le16 half_way_close_timeout; 903 u8 num_sq_pages_in_ring; 904 u8 num_r2tq_pages_in_ring; 905 u8 num_uhq_pages_in_ring; 906 u8 ll2_rx_queue_id; 907 u8 ooo_enable; 908 struct iscsi_debug_modes debug_mode; 909 __le16 reserved1; 910 __le32 reserved2; 911 __le32 reserved3; 912 __le32 reserved4; 913 struct scsi_init_func_params func_params; 914 struct scsi_init_func_queues q_params; 915 }; 916 917 struct ystorm_iscsi_task_state { 918 struct scsi_cached_sges data_desc; 919 struct scsi_sgl_params sgl_params; 920 __le32 exp_r2t_sn; 921 __le32 buffer_offset; 922 union iscsi_seq_num seq_num; 923 struct iscsi_dif_flags dif_flags; 924 u8 flags; 925 #define YSTORM_ISCSI_TASK_STATE_LOCAL_COMP_MASK 0x1 926 #define YSTORM_ISCSI_TASK_STATE_LOCAL_COMP_SHIFT 0 927 #define YSTORM_ISCSI_TASK_STATE_SLOW_IO_MASK 0x1 928 #define YSTORM_ISCSI_TASK_STATE_SLOW_IO_SHIFT 1 929 #define YSTORM_ISCSI_TASK_STATE_RESERVED0_MASK 0x3F 930 #define YSTORM_ISCSI_TASK_STATE_RESERVED0_SHIFT 2 931 }; 932 933 struct ystorm_iscsi_task_rxmit_opt { 934 __le32 fast_rxmit_sge_offset; 935 __le32 scan_start_buffer_offset; 936 __le32 fast_rxmit_buffer_offset; 937 u8 scan_start_sgl_index; 938 u8 fast_rxmit_sgl_index; 939 __le16 reserved; 940 }; 941 942 struct ystorm_iscsi_task_st_ctx { 943 struct ystorm_iscsi_task_state state; 944 struct ystorm_iscsi_task_rxmit_opt rxmit_opt; 945 union iscsi_task_hdr pdu_hdr; 946 }; 947 948 struct ystorm_iscsi_task_ag_ctx { 949 u8 reserved; 950 u8 byte1; 951 __le16 word0; 952 u8 flags0; 953 #define YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF 954 #define YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 955 #define YSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 956 #define YSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 957 #define YSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 958 #define YSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 959 #define YSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 960 #define YSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 961 #define YSTORM_ISCSI_TASK_AG_CTX_BIT3_MASK 0x1 962 #define YSTORM_ISCSI_TASK_AG_CTX_BIT3_SHIFT 7 963 u8 flags1; 964 #define YSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 965 #define YSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 0 966 #define YSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 967 #define YSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 968 #define YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_MASK 0x3 969 #define YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_SHIFT 4 970 #define YSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 971 #define YSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 6 972 #define YSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 973 #define YSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 974 u8 flags2; 975 #define YSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 976 #define YSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 977 #define YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 978 #define YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 979 #define YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 980 #define YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 981 #define YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 982 #define YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 983 #define YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 984 #define YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 985 #define YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 986 #define YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 987 #define YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 988 #define YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 989 #define YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 990 #define YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 991 u8 byte2; 992 __le32 TTT; 993 u8 byte3; 994 u8 byte4; 995 __le16 word1; 996 }; 997 998 struct mstorm_iscsi_task_ag_ctx { 999 u8 cdu_validation; 1000 u8 byte1; 1001 __le16 task_cid; 1002 u8 flags0; 1003 #define MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF 1004 #define MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 1005 #define MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 1006 #define MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 1007 #define MSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 1008 #define MSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1009 #define MSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 1010 #define MSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 1011 #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_MASK 0x1 1012 #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_SHIFT 7 1013 u8 flags1; 1014 #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_MASK 0x3 1015 #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_SHIFT 0 1016 #define MSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 1017 #define MSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 1018 #define MSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 1019 #define MSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 4 1020 #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_MASK 0x1 1021 #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_SHIFT 6 1022 #define MSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 1023 #define MSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 1024 u8 flags2; 1025 #define MSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 1026 #define MSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 0 1027 #define MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 1028 #define MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 1029 #define MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 1030 #define MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 1031 #define MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 1032 #define MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 1033 #define MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 1034 #define MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 1035 #define MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 1036 #define MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 1037 #define MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 1038 #define MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 1039 #define MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 1040 #define MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 1041 u8 byte2; 1042 __le32 reg0; 1043 u8 byte3; 1044 u8 byte4; 1045 __le16 word1; 1046 }; 1047 1048 struct ustorm_iscsi_task_ag_ctx { 1049 u8 reserved; 1050 u8 state; 1051 __le16 icid; 1052 u8 flags0; 1053 #define USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF 1054 #define USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 1055 #define USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 1056 #define USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 1057 #define USTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 1058 #define USTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1059 #define USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_MASK 0x3 1060 #define USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_SHIFT 6 1061 u8 flags1; 1062 #define USTORM_ISCSI_TASK_AG_CTX_RESERVED1_MASK 0x3 1063 #define USTORM_ISCSI_TASK_AG_CTX_RESERVED1_SHIFT 0 1064 #define USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_MASK 0x3 1065 #define USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_SHIFT 2 1066 #define USTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 1067 #define USTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 4 1068 #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_MASK 0x3 1069 #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_SHIFT 6 1070 u8 flags2; 1071 #define USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_MASK 0x1 1072 #define USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_SHIFT 0 1073 #define USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_MASK 0x1 1074 #define USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_SHIFT 1 1075 #define USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_MASK 0x1 1076 #define USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_SHIFT 2 1077 #define USTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 1078 #define USTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 3 1079 #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_MASK 0x1 1080 #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_SHIFT 4 1081 #define USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_MASK 0x1 1082 #define USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_SHIFT 5 1083 #define USTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 1084 #define USTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 6 1085 #define USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_MASK 0x1 1086 #define USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_SHIFT 7 1087 u8 flags3; 1088 #define USTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 1089 #define USTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 0 1090 #define USTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 1091 #define USTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 1 1092 #define USTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 1093 #define USTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 2 1094 #define USTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 1095 #define USTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 3 1096 #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_MASK 0xF 1097 #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_SHIFT 4 1098 __le32 dif_err_intervals; 1099 __le32 dif_error_1st_interval; 1100 __le32 rcv_cont_len; 1101 __le32 exp_cont_len; 1102 __le32 total_data_acked; 1103 __le32 exp_data_acked; 1104 u8 next_tid_valid; 1105 u8 byte3; 1106 __le16 word1; 1107 __le16 next_tid; 1108 __le16 word3; 1109 __le32 hdr_residual_count; 1110 __le32 exp_r2t_sn; 1111 }; 1112 1113 struct mstorm_iscsi_task_st_ctx { 1114 struct scsi_cached_sges data_desc; 1115 struct scsi_sgl_params sgl_params; 1116 __le32 rem_task_size; 1117 __le32 data_buffer_offset; 1118 u8 task_type; 1119 struct iscsi_dif_flags dif_flags; 1120 u8 reserved0[2]; 1121 struct regpair sense_db; 1122 __le32 expected_itt; 1123 __le32 reserved1; 1124 }; 1125 1126 struct ustorm_iscsi_task_st_ctx { 1127 __le32 rem_rcv_len; 1128 __le32 exp_data_transfer_len; 1129 __le32 exp_data_sn; 1130 struct regpair lun; 1131 struct iscsi_reg1 reg1; 1132 u8 flags2; 1133 #define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_MASK 0x1 1134 #define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_SHIFT 0 1135 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_MASK 0x7F 1136 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_SHIFT 1 1137 struct iscsi_dif_flags dif_flags; 1138 __le16 reserved3; 1139 __le32 reserved4; 1140 __le32 reserved5; 1141 __le32 reserved6; 1142 __le32 reserved7; 1143 u8 task_type; 1144 u8 error_flags; 1145 #define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_MASK 0x1 1146 #define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_SHIFT 0 1147 #define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_MASK 0x1 1148 #define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_SHIFT 1 1149 #define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_MASK 0x1 1150 #define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_SHIFT 2 1151 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_MASK 0x1F 1152 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_SHIFT 3 1153 u8 flags; 1154 #define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_MASK 0x3 1155 #define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_SHIFT 0 1156 #define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_MASK 0x1 1157 #define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_SHIFT 2 1158 #define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_MASK 0x1 1159 #define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_SHIFT 3 1160 #define USTORM_ISCSI_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_MASK 0x1 1161 #define USTORM_ISCSI_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_SHIFT 4 1162 #define USTORM_ISCSI_TASK_ST_CTX_HQ_SCANNED_DONE_MASK 0x1 1163 #define USTORM_ISCSI_TASK_ST_CTX_HQ_SCANNED_DONE_SHIFT 5 1164 #define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_MASK 0x1 1165 #define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_SHIFT 6 1166 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_MASK 0x1 1167 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_SHIFT 7 1168 u8 cq_rss_number; 1169 }; 1170 1171 struct iscsi_task_context { 1172 struct ystorm_iscsi_task_st_ctx ystorm_st_context; 1173 struct ystorm_iscsi_task_ag_ctx ystorm_ag_context; 1174 struct regpair ystorm_ag_padding[2]; 1175 struct tdif_task_context tdif_context; 1176 struct mstorm_iscsi_task_ag_ctx mstorm_ag_context; 1177 struct regpair mstorm_ag_padding[2]; 1178 struct ustorm_iscsi_task_ag_ctx ustorm_ag_context; 1179 struct mstorm_iscsi_task_st_ctx mstorm_st_context; 1180 struct ustorm_iscsi_task_st_ctx ustorm_st_context; 1181 struct rdif_task_context rdif_context; 1182 }; 1183 1184 enum iscsi_task_type { 1185 ISCSI_TASK_TYPE_INITIATOR_WRITE, 1186 ISCSI_TASK_TYPE_INITIATOR_READ, 1187 ISCSI_TASK_TYPE_MIDPATH, 1188 ISCSI_TASK_TYPE_UNSOLIC, 1189 ISCSI_TASK_TYPE_EXCHCLEANUP, 1190 ISCSI_TASK_TYPE_IRRELEVANT, 1191 ISCSI_TASK_TYPE_TARGET_WRITE, 1192 ISCSI_TASK_TYPE_TARGET_READ, 1193 ISCSI_TASK_TYPE_TARGET_RESPONSE, 1194 ISCSI_TASK_TYPE_LOGIN_RESPONSE, 1195 MAX_ISCSI_TASK_TYPE 1196 }; 1197 1198 union iscsi_ttt_txlen_union { 1199 __le32 desired_tx_len; 1200 __le32 ttt; 1201 }; 1202 1203 struct iscsi_uhqe { 1204 __le32 reg1; 1205 #define ISCSI_UHQE_PDU_PAYLOAD_LEN_MASK 0xFFFFF 1206 #define ISCSI_UHQE_PDU_PAYLOAD_LEN_SHIFT 0 1207 #define ISCSI_UHQE_LOCAL_COMP_MASK 0x1 1208 #define ISCSI_UHQE_LOCAL_COMP_SHIFT 20 1209 #define ISCSI_UHQE_TOGGLE_BIT_MASK 0x1 1210 #define ISCSI_UHQE_TOGGLE_BIT_SHIFT 21 1211 #define ISCSI_UHQE_PURE_PAYLOAD_MASK 0x1 1212 #define ISCSI_UHQE_PURE_PAYLOAD_SHIFT 22 1213 #define ISCSI_UHQE_LOGIN_RESPONSE_PDU_MASK 0x1 1214 #define ISCSI_UHQE_LOGIN_RESPONSE_PDU_SHIFT 23 1215 #define ISCSI_UHQE_TASK_ID_HI_MASK 0xFF 1216 #define ISCSI_UHQE_TASK_ID_HI_SHIFT 24 1217 __le32 reg2; 1218 #define ISCSI_UHQE_BUFFER_OFFSET_MASK 0xFFFFFF 1219 #define ISCSI_UHQE_BUFFER_OFFSET_SHIFT 0 1220 #define ISCSI_UHQE_TASK_ID_LO_MASK 0xFF 1221 #define ISCSI_UHQE_TASK_ID_LO_SHIFT 24 1222 }; 1223 1224 1225 struct iscsi_wqe { 1226 __le16 task_id; 1227 u8 flags; 1228 #define ISCSI_WQE_WQE_TYPE_MASK 0x7 1229 #define ISCSI_WQE_WQE_TYPE_SHIFT 0 1230 #define ISCSI_WQE_NUM_SGES_MASK 0xF 1231 #define ISCSI_WQE_NUM_SGES_SHIFT 3 1232 #define ISCSI_WQE_RESPONSE_MASK 0x1 1233 #define ISCSI_WQE_RESPONSE_SHIFT 7 1234 struct iscsi_dif_flags prot_flags; 1235 __le32 contlen_cdbsize; 1236 #define ISCSI_WQE_CONT_LEN_MASK 0xFFFFFF 1237 #define ISCSI_WQE_CONT_LEN_SHIFT 0 1238 #define ISCSI_WQE_CDB_SIZE_MASK 0xFF 1239 #define ISCSI_WQE_CDB_SIZE_SHIFT 24 1240 }; 1241 1242 enum iscsi_wqe_type { 1243 ISCSI_WQE_TYPE_NORMAL, 1244 ISCSI_WQE_TYPE_TASK_CLEANUP, 1245 ISCSI_WQE_TYPE_MIDDLE_PATH, 1246 ISCSI_WQE_TYPE_LOGIN, 1247 ISCSI_WQE_TYPE_FIRST_R2T_CONT, 1248 ISCSI_WQE_TYPE_NONFIRST_R2T_CONT, 1249 ISCSI_WQE_TYPE_RESPONSE, 1250 MAX_ISCSI_WQE_TYPE 1251 }; 1252 1253 struct iscsi_xhqe { 1254 union iscsi_ttt_txlen_union ttt_or_txlen; 1255 __le32 exp_stat_sn; 1256 struct iscsi_dif_flags prot_flags; 1257 u8 total_ahs_length; 1258 u8 opcode; 1259 u8 flags; 1260 #define ISCSI_XHQE_FINAL_MASK 0x1 1261 #define ISCSI_XHQE_FINAL_SHIFT 0 1262 #define ISCSI_XHQE_STATUS_BIT_MASK 0x1 1263 #define ISCSI_XHQE_STATUS_BIT_SHIFT 1 1264 #define ISCSI_XHQE_NUM_SGES_MASK 0xF 1265 #define ISCSI_XHQE_NUM_SGES_SHIFT 2 1266 #define ISCSI_XHQE_RESERVED0_MASK 0x3 1267 #define ISCSI_XHQE_RESERVED0_SHIFT 6 1268 union iscsi_seq_num seq_num; 1269 __le16 reserved1; 1270 }; 1271 1272 struct mstorm_iscsi_stats_drv { 1273 struct regpair iscsi_rx_dropped_pdus_task_not_valid; 1274 }; 1275 1276 struct pstorm_iscsi_stats_drv { 1277 struct regpair iscsi_tx_bytes_cnt; 1278 struct regpair iscsi_tx_packet_cnt; 1279 }; 1280 1281 struct tstorm_iscsi_stats_drv { 1282 struct regpair iscsi_rx_bytes_cnt; 1283 struct regpair iscsi_rx_packet_cnt; 1284 struct regpair iscsi_rx_new_ooo_isle_events_cnt; 1285 __le32 iscsi_cmdq_threshold_cnt; 1286 __le32 iscsi_rq_threshold_cnt; 1287 __le32 iscsi_immq_threshold_cnt; 1288 }; 1289 1290 struct ustorm_iscsi_stats_drv { 1291 struct regpair iscsi_rx_data_pdu_cnt; 1292 struct regpair iscsi_rx_r2t_pdu_cnt; 1293 struct regpair iscsi_rx_total_pdu_cnt; 1294 }; 1295 1296 struct xstorm_iscsi_stats_drv { 1297 struct regpair iscsi_tx_go_to_slow_start_event_cnt; 1298 struct regpair iscsi_tx_fast_retransmit_event_cnt; 1299 }; 1300 1301 struct ystorm_iscsi_stats_drv { 1302 struct regpair iscsi_tx_data_pdu_cnt; 1303 struct regpair iscsi_tx_r2t_pdu_cnt; 1304 struct regpair iscsi_tx_total_pdu_cnt; 1305 }; 1306 1307 struct iscsi_db_data { 1308 u8 params; 1309 #define ISCSI_DB_DATA_DEST_MASK 0x3 1310 #define ISCSI_DB_DATA_DEST_SHIFT 0 1311 #define ISCSI_DB_DATA_AGG_CMD_MASK 0x3 1312 #define ISCSI_DB_DATA_AGG_CMD_SHIFT 2 1313 #define ISCSI_DB_DATA_BYPASS_EN_MASK 0x1 1314 #define ISCSI_DB_DATA_BYPASS_EN_SHIFT 4 1315 #define ISCSI_DB_DATA_RESERVED_MASK 0x1 1316 #define ISCSI_DB_DATA_RESERVED_SHIFT 5 1317 #define ISCSI_DB_DATA_AGG_VAL_SEL_MASK 0x3 1318 #define ISCSI_DB_DATA_AGG_VAL_SEL_SHIFT 6 1319 u8 agg_flags; 1320 __le16 sq_prod; 1321 }; 1322 1323 struct tstorm_iscsi_task_ag_ctx { 1324 u8 byte0; 1325 u8 byte1; 1326 __le16 word0; 1327 u8 flags0; 1328 #define TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF 1329 #define TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 1330 #define TSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 1331 #define TSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 1332 #define TSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 1333 #define TSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1334 #define TSTORM_ISCSI_TASK_AG_CTX_BIT2_MASK 0x1 1335 #define TSTORM_ISCSI_TASK_AG_CTX_BIT2_SHIFT 6 1336 #define TSTORM_ISCSI_TASK_AG_CTX_BIT3_MASK 0x1 1337 #define TSTORM_ISCSI_TASK_AG_CTX_BIT3_SHIFT 7 1338 u8 flags1; 1339 #define TSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 1340 #define TSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 1341 #define TSTORM_ISCSI_TASK_AG_CTX_BIT5_MASK 0x1 1342 #define TSTORM_ISCSI_TASK_AG_CTX_BIT5_SHIFT 1 1343 #define TSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 1344 #define TSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 2 1345 #define TSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 1346 #define TSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 4 1347 #define TSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 1348 #define TSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 6 1349 u8 flags2; 1350 #define TSTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 1351 #define TSTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 0 1352 #define TSTORM_ISCSI_TASK_AG_CTX_CF4_MASK 0x3 1353 #define TSTORM_ISCSI_TASK_AG_CTX_CF4_SHIFT 2 1354 #define TSTORM_ISCSI_TASK_AG_CTX_CF5_MASK 0x3 1355 #define TSTORM_ISCSI_TASK_AG_CTX_CF5_SHIFT 4 1356 #define TSTORM_ISCSI_TASK_AG_CTX_CF6_MASK 0x3 1357 #define TSTORM_ISCSI_TASK_AG_CTX_CF6_SHIFT 6 1358 u8 flags3; 1359 #define TSTORM_ISCSI_TASK_AG_CTX_CF7_MASK 0x3 1360 #define TSTORM_ISCSI_TASK_AG_CTX_CF7_SHIFT 0 1361 #define TSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 1362 #define TSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 2 1363 #define TSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 1364 #define TSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 3 1365 #define TSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 1366 #define TSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 4 1367 #define TSTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 1368 #define TSTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 5 1369 #define TSTORM_ISCSI_TASK_AG_CTX_CF4EN_MASK 0x1 1370 #define TSTORM_ISCSI_TASK_AG_CTX_CF4EN_SHIFT 6 1371 #define TSTORM_ISCSI_TASK_AG_CTX_CF5EN_MASK 0x1 1372 #define TSTORM_ISCSI_TASK_AG_CTX_CF5EN_SHIFT 7 1373 u8 flags4; 1374 #define TSTORM_ISCSI_TASK_AG_CTX_CF6EN_MASK 0x1 1375 #define TSTORM_ISCSI_TASK_AG_CTX_CF6EN_SHIFT 0 1376 #define TSTORM_ISCSI_TASK_AG_CTX_CF7EN_MASK 0x1 1377 #define TSTORM_ISCSI_TASK_AG_CTX_CF7EN_SHIFT 1 1378 #define TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 1379 #define TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 2 1380 #define TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 1381 #define TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 3 1382 #define TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 1383 #define TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 4 1384 #define TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 1385 #define TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 5 1386 #define TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 1387 #define TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 6 1388 #define TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 1389 #define TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 7 1390 u8 byte2; 1391 __le16 word1; 1392 __le32 reg0; 1393 u8 byte3; 1394 u8 byte4; 1395 __le16 word2; 1396 __le16 word3; 1397 __le16 word4; 1398 __le32 reg1; 1399 __le32 reg2; 1400 }; 1401 1402 #endif /* __ISCSI_COMMON__ */ 1403