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 (0) 79 #define ISCSI_OPCODE_SCSI_CMD (1) 80 #define ISCSI_OPCODE_TMF_REQUEST (2) 81 #define ISCSI_OPCODE_LOGIN_REQUEST (3) 82 #define ISCSI_OPCODE_TEXT_REQUEST (4) 83 #define ISCSI_OPCODE_DATA_OUT (5) 84 #define ISCSI_OPCODE_LOGOUT_REQUEST (6) 85 86 /* iSCSI response/messages op codes */ 87 #define ISCSI_OPCODE_NOP_IN (0x20) 88 #define ISCSI_OPCODE_SCSI_RESPONSE (0x21) 89 #define ISCSI_OPCODE_TMF_RESPONSE (0x22) 90 #define ISCSI_OPCODE_LOGIN_RESPONSE (0x23) 91 #define ISCSI_OPCODE_TEXT_RESPONSE (0x24) 92 #define ISCSI_OPCODE_DATA_IN (0x25) 93 #define ISCSI_OPCODE_LOGOUT_RESPONSE (0x26) 94 #define ISCSI_OPCODE_R2T (0x31) 95 #define ISCSI_OPCODE_ASYNC_MSG (0x32) 96 #define ISCSI_OPCODE_REJECT (0x3f) 97 98 /* iSCSI stages */ 99 #define ISCSI_STAGE_SECURITY_NEGOTIATION (0) 100 #define ISCSI_STAGE_LOGIN_OPERATIONAL_NEGOTIATION (1) 101 #define ISCSI_STAGE_FULL_FEATURE_PHASE (3) 102 103 /* iSCSI CQE errors */ 104 #define CQE_ERROR_BITMAP_DATA_DIGEST (0x08) 105 #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN (0x10) 106 #define CQE_ERROR_BITMAP_DATA_TRUNCATED (0x20) 107 108 struct cqe_error_bitmap { 109 u8 cqe_error_status_bits; 110 #define CQE_ERROR_BITMAP_DIF_ERR_BITS_MASK 0x7 111 #define CQE_ERROR_BITMAP_DIF_ERR_BITS_SHIFT 0 112 #define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_MASK 0x1 113 #define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_SHIFT 3 114 #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_MASK 0x1 115 #define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_SHIFT 4 116 #define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_MASK 0x1 117 #define CQE_ERROR_BITMAP_DATA_TRUNCATED_ERR_SHIFT 5 118 #define CQE_ERROR_BITMAP_UNDER_RUN_ERR_MASK 0x1 119 #define CQE_ERROR_BITMAP_UNDER_RUN_ERR_SHIFT 6 120 #define CQE_ERROR_BITMAP_RESERVED2_MASK 0x1 121 #define CQE_ERROR_BITMAP_RESERVED2_SHIFT 7 122 }; 123 124 union cqe_error_status { 125 u8 error_status; 126 struct cqe_error_bitmap error_bits; 127 }; 128 129 struct data_hdr { 130 __le32 data[12]; 131 }; 132 133 struct iscsi_async_msg_hdr { 134 __le16 reserved0; 135 u8 flags_attr; 136 #define ISCSI_ASYNC_MSG_HDR_RSRV_MASK 0x7F 137 #define ISCSI_ASYNC_MSG_HDR_RSRV_SHIFT 0 138 #define ISCSI_ASYNC_MSG_HDR_CONST1_MASK 0x1 139 #define ISCSI_ASYNC_MSG_HDR_CONST1_SHIFT 7 140 u8 opcode; 141 __le32 hdr_second_dword; 142 #define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 143 #define ISCSI_ASYNC_MSG_HDR_DATA_SEG_LEN_SHIFT 0 144 #define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_MASK 0xFF 145 #define ISCSI_ASYNC_MSG_HDR_TOTAL_AHS_LEN_SHIFT 24 146 struct regpair lun; 147 __le32 all_ones; 148 __le32 reserved1; 149 __le32 stat_sn; 150 __le32 exp_cmd_sn; 151 __le32 max_cmd_sn; 152 __le16 param1_rsrv; 153 u8 async_vcode; 154 u8 async_event; 155 __le16 param3_rsrv; 156 __le16 param2_rsrv; 157 __le32 reserved7; 158 }; 159 160 struct iscsi_cmd_hdr { 161 __le16 reserved1; 162 u8 flags_attr; 163 #define ISCSI_CMD_HDR_ATTR_MASK 0x7 164 #define ISCSI_CMD_HDR_ATTR_SHIFT 0 165 #define ISCSI_CMD_HDR_RSRV_MASK 0x3 166 #define ISCSI_CMD_HDR_RSRV_SHIFT 3 167 #define ISCSI_CMD_HDR_WRITE_MASK 0x1 168 #define ISCSI_CMD_HDR_WRITE_SHIFT 5 169 #define ISCSI_CMD_HDR_READ_MASK 0x1 170 #define ISCSI_CMD_HDR_READ_SHIFT 6 171 #define ISCSI_CMD_HDR_FINAL_MASK 0x1 172 #define ISCSI_CMD_HDR_FINAL_SHIFT 7 173 u8 hdr_first_byte; 174 #define ISCSI_CMD_HDR_OPCODE_MASK 0x3F 175 #define ISCSI_CMD_HDR_OPCODE_SHIFT 0 176 #define ISCSI_CMD_HDR_IMM_MASK 0x1 177 #define ISCSI_CMD_HDR_IMM_SHIFT 6 178 #define ISCSI_CMD_HDR_RSRV1_MASK 0x1 179 #define ISCSI_CMD_HDR_RSRV1_SHIFT 7 180 __le32 hdr_second_dword; 181 #define ISCSI_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 182 #define ISCSI_CMD_HDR_DATA_SEG_LEN_SHIFT 0 183 #define ISCSI_CMD_HDR_TOTAL_AHS_LEN_MASK 0xFF 184 #define ISCSI_CMD_HDR_TOTAL_AHS_LEN_SHIFT 24 185 struct regpair lun; 186 __le32 itt; 187 __le32 expected_transfer_length; 188 __le32 cmd_sn; 189 __le32 exp_stat_sn; 190 __le32 cdb[4]; 191 }; 192 193 struct iscsi_common_hdr { 194 u8 hdr_status; 195 u8 hdr_response; 196 u8 hdr_flags; 197 u8 hdr_first_byte; 198 #define ISCSI_COMMON_HDR_OPCODE_MASK 0x3F 199 #define ISCSI_COMMON_HDR_OPCODE_SHIFT 0 200 #define ISCSI_COMMON_HDR_IMM_MASK 0x1 201 #define ISCSI_COMMON_HDR_IMM_SHIFT 6 202 #define ISCSI_COMMON_HDR_RSRV_MASK 0x1 203 #define ISCSI_COMMON_HDR_RSRV_SHIFT 7 204 __le32 hdr_second_dword; 205 #define ISCSI_COMMON_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 206 #define ISCSI_COMMON_HDR_DATA_SEG_LEN_SHIFT 0 207 #define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_MASK 0xFF 208 #define ISCSI_COMMON_HDR_TOTAL_AHS_LEN_SHIFT 24 209 struct regpair lun_reserved; 210 __le32 itt; 211 __le32 ttt; 212 __le32 cmdstat_sn; 213 __le32 exp_statcmd_sn; 214 __le32 max_cmd_sn; 215 __le32 data[3]; 216 }; 217 218 struct iscsi_conn_offload_params { 219 struct regpair sq_pbl_addr; 220 struct regpair r2tq_pbl_addr; 221 struct regpair xhq_pbl_addr; 222 struct regpair uhq_pbl_addr; 223 __le32 initial_ack; 224 __le16 physical_q0; 225 __le16 physical_q1; 226 u8 flags; 227 #define ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_MASK 0x1 228 #define ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_SHIFT 0 229 #define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_MASK 0x1 230 #define ISCSI_CONN_OFFLOAD_PARAMS_TARGET_MODE_SHIFT 1 231 #define ISCSI_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_MASK 0x1 232 #define ISCSI_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_SHIFT 2 233 #define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_MASK 0x1F 234 #define ISCSI_CONN_OFFLOAD_PARAMS_RESERVED1_SHIFT 3 235 u8 pbl_page_size_log; 236 u8 pbe_page_size_log; 237 u8 default_cq; 238 __le32 stat_sn; 239 }; 240 241 struct iscsi_slow_path_hdr { 242 u8 op_code; 243 u8 flags; 244 #define ISCSI_SLOW_PATH_HDR_RESERVED0_MASK 0xF 245 #define ISCSI_SLOW_PATH_HDR_RESERVED0_SHIFT 0 246 #define ISCSI_SLOW_PATH_HDR_LAYER_CODE_MASK 0x7 247 #define ISCSI_SLOW_PATH_HDR_LAYER_CODE_SHIFT 4 248 #define ISCSI_SLOW_PATH_HDR_RESERVED1_MASK 0x1 249 #define ISCSI_SLOW_PATH_HDR_RESERVED1_SHIFT 7 250 }; 251 252 struct iscsi_conn_update_ramrod_params { 253 struct iscsi_slow_path_hdr hdr; 254 __le16 conn_id; 255 __le32 fw_cid; 256 u8 flags; 257 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_MASK 0x1 258 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_HD_EN_SHIFT 0 259 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_MASK 0x1 260 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DD_EN_SHIFT 1 261 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_MASK 0x1 262 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_INITIAL_R2T_SHIFT 2 263 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_MASK 0x1 264 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_IMMEDIATE_DATA_SHIFT 3 265 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_BLOCK_SIZE_MASK 0x1 266 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_BLOCK_SIZE_SHIFT 4 267 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_HOST_EN_MASK 0x1 268 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_DIF_ON_HOST_EN_SHIFT 5 269 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_RESERVED1_MASK 0x3 270 #define ISCSI_CONN_UPDATE_RAMROD_PARAMS_RESERVED1_SHIFT 6 271 u8 reserved0[3]; 272 __le32 max_seq_size; 273 __le32 max_send_pdu_length; 274 __le32 max_recv_pdu_length; 275 __le32 first_seq_length; 276 __le32 exp_stat_sn; 277 }; 278 279 struct iscsi_ext_cdb_cmd_hdr { 280 __le16 reserved1; 281 u8 flags_attr; 282 #define ISCSI_EXT_CDB_CMD_HDR_ATTR_MASK 0x7 283 #define ISCSI_EXT_CDB_CMD_HDR_ATTR_SHIFT 0 284 #define ISCSI_EXT_CDB_CMD_HDR_RSRV_MASK 0x3 285 #define ISCSI_EXT_CDB_CMD_HDR_RSRV_SHIFT 3 286 #define ISCSI_EXT_CDB_CMD_HDR_WRITE_MASK 0x1 287 #define ISCSI_EXT_CDB_CMD_HDR_WRITE_SHIFT 5 288 #define ISCSI_EXT_CDB_CMD_HDR_READ_MASK 0x1 289 #define ISCSI_EXT_CDB_CMD_HDR_READ_SHIFT 6 290 #define ISCSI_EXT_CDB_CMD_HDR_FINAL_MASK 0x1 291 #define ISCSI_EXT_CDB_CMD_HDR_FINAL_SHIFT 7 292 u8 opcode; 293 __le32 hdr_second_dword; 294 #define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 295 #define ISCSI_EXT_CDB_CMD_HDR_DATA_SEG_LEN_SHIFT 0 296 #define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_MASK 0xFF 297 #define ISCSI_EXT_CDB_CMD_HDR_CDB_SIZE_SHIFT 24 298 struct regpair lun; 299 __le32 itt; 300 __le32 expected_transfer_length; 301 __le32 cmd_sn; 302 __le32 exp_stat_sn; 303 struct scsi_sge cdb_sge; 304 }; 305 306 struct iscsi_login_req_hdr { 307 u8 version_min; 308 u8 version_max; 309 u8 flags_attr; 310 #define ISCSI_LOGIN_REQ_HDR_NSG_MASK 0x3 311 #define ISCSI_LOGIN_REQ_HDR_NSG_SHIFT 0 312 #define ISCSI_LOGIN_REQ_HDR_CSG_MASK 0x3 313 #define ISCSI_LOGIN_REQ_HDR_CSG_SHIFT 2 314 #define ISCSI_LOGIN_REQ_HDR_RSRV_MASK 0x3 315 #define ISCSI_LOGIN_REQ_HDR_RSRV_SHIFT 4 316 #define ISCSI_LOGIN_REQ_HDR_C_MASK 0x1 317 #define ISCSI_LOGIN_REQ_HDR_C_SHIFT 6 318 #define ISCSI_LOGIN_REQ_HDR_T_MASK 0x1 319 #define ISCSI_LOGIN_REQ_HDR_T_SHIFT 7 320 u8 opcode; 321 __le32 hdr_second_dword; 322 #define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 323 #define ISCSI_LOGIN_REQ_HDR_DATA_SEG_LEN_SHIFT 0 324 #define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_MASK 0xFF 325 #define ISCSI_LOGIN_REQ_HDR_TOTAL_AHS_LEN_SHIFT 24 326 __le32 isid_tabc; 327 __le16 tsih; 328 __le16 isid_d; 329 __le32 itt; 330 __le16 reserved1; 331 __le16 cid; 332 __le32 cmd_sn; 333 __le32 exp_stat_sn; 334 __le32 reserved2[4]; 335 }; 336 337 struct iscsi_logout_req_hdr { 338 __le16 reserved0; 339 u8 reason_code; 340 u8 opcode; 341 __le32 reserved1; 342 __le32 reserved2[2]; 343 __le32 itt; 344 __le16 reserved3; 345 __le16 cid; 346 __le32 cmd_sn; 347 __le32 exp_stat_sn; 348 __le32 reserved4[4]; 349 }; 350 351 struct iscsi_data_out_hdr { 352 __le16 reserved1; 353 u8 flags_attr; 354 #define ISCSI_DATA_OUT_HDR_RSRV_MASK 0x7F 355 #define ISCSI_DATA_OUT_HDR_RSRV_SHIFT 0 356 #define ISCSI_DATA_OUT_HDR_FINAL_MASK 0x1 357 #define ISCSI_DATA_OUT_HDR_FINAL_SHIFT 7 358 u8 opcode; 359 __le32 reserved2; 360 struct regpair lun; 361 __le32 itt; 362 __le32 ttt; 363 __le32 reserved3; 364 __le32 exp_stat_sn; 365 __le32 reserved4; 366 __le32 data_sn; 367 __le32 buffer_offset; 368 __le32 reserved5; 369 }; 370 371 struct iscsi_data_in_hdr { 372 u8 status_rsvd; 373 u8 reserved1; 374 u8 flags; 375 #define ISCSI_DATA_IN_HDR_STATUS_MASK 0x1 376 #define ISCSI_DATA_IN_HDR_STATUS_SHIFT 0 377 #define ISCSI_DATA_IN_HDR_UNDERFLOW_MASK 0x1 378 #define ISCSI_DATA_IN_HDR_UNDERFLOW_SHIFT 1 379 #define ISCSI_DATA_IN_HDR_OVERFLOW_MASK 0x1 380 #define ISCSI_DATA_IN_HDR_OVERFLOW_SHIFT 2 381 #define ISCSI_DATA_IN_HDR_RSRV_MASK 0x7 382 #define ISCSI_DATA_IN_HDR_RSRV_SHIFT 3 383 #define ISCSI_DATA_IN_HDR_ACK_MASK 0x1 384 #define ISCSI_DATA_IN_HDR_ACK_SHIFT 6 385 #define ISCSI_DATA_IN_HDR_FINAL_MASK 0x1 386 #define ISCSI_DATA_IN_HDR_FINAL_SHIFT 7 387 u8 opcode; 388 __le32 reserved2; 389 struct regpair lun; 390 __le32 itt; 391 __le32 ttt; 392 __le32 stat_sn; 393 __le32 exp_cmd_sn; 394 __le32 max_cmd_sn; 395 __le32 data_sn; 396 __le32 buffer_offset; 397 __le32 residual_count; 398 }; 399 400 struct iscsi_r2t_hdr { 401 u8 reserved0[3]; 402 u8 opcode; 403 __le32 reserved2; 404 struct regpair lun; 405 __le32 itt; 406 __le32 ttt; 407 __le32 stat_sn; 408 __le32 exp_cmd_sn; 409 __le32 max_cmd_sn; 410 __le32 r2t_sn; 411 __le32 buffer_offset; 412 __le32 desired_data_trns_len; 413 }; 414 415 struct iscsi_nop_out_hdr { 416 __le16 reserved1; 417 u8 flags_attr; 418 #define ISCSI_NOP_OUT_HDR_RSRV_MASK 0x7F 419 #define ISCSI_NOP_OUT_HDR_RSRV_SHIFT 0 420 #define ISCSI_NOP_OUT_HDR_CONST1_MASK 0x1 421 #define ISCSI_NOP_OUT_HDR_CONST1_SHIFT 7 422 u8 opcode; 423 __le32 reserved2; 424 struct regpair lun; 425 __le32 itt; 426 __le32 ttt; 427 __le32 cmd_sn; 428 __le32 exp_stat_sn; 429 __le32 reserved3; 430 __le32 reserved4; 431 __le32 reserved5; 432 __le32 reserved6; 433 }; 434 435 struct iscsi_nop_in_hdr { 436 __le16 reserved0; 437 u8 flags_attr; 438 #define ISCSI_NOP_IN_HDR_RSRV_MASK 0x7F 439 #define ISCSI_NOP_IN_HDR_RSRV_SHIFT 0 440 #define ISCSI_NOP_IN_HDR_CONST1_MASK 0x1 441 #define ISCSI_NOP_IN_HDR_CONST1_SHIFT 7 442 u8 opcode; 443 __le32 hdr_second_dword; 444 #define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 445 #define ISCSI_NOP_IN_HDR_DATA_SEG_LEN_SHIFT 0 446 #define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_MASK 0xFF 447 #define ISCSI_NOP_IN_HDR_TOTAL_AHS_LEN_SHIFT 24 448 struct regpair lun; 449 __le32 itt; 450 __le32 ttt; 451 __le32 stat_sn; 452 __le32 exp_cmd_sn; 453 __le32 max_cmd_sn; 454 __le32 reserved5; 455 __le32 reserved6; 456 __le32 reserved7; 457 }; 458 459 struct iscsi_login_response_hdr { 460 u8 version_active; 461 u8 version_max; 462 u8 flags_attr; 463 #define ISCSI_LOGIN_RESPONSE_HDR_NSG_MASK 0x3 464 #define ISCSI_LOGIN_RESPONSE_HDR_NSG_SHIFT 0 465 #define ISCSI_LOGIN_RESPONSE_HDR_CSG_MASK 0x3 466 #define ISCSI_LOGIN_RESPONSE_HDR_CSG_SHIFT 2 467 #define ISCSI_LOGIN_RESPONSE_HDR_RSRV_MASK 0x3 468 #define ISCSI_LOGIN_RESPONSE_HDR_RSRV_SHIFT 4 469 #define ISCSI_LOGIN_RESPONSE_HDR_C_MASK 0x1 470 #define ISCSI_LOGIN_RESPONSE_HDR_C_SHIFT 6 471 #define ISCSI_LOGIN_RESPONSE_HDR_T_MASK 0x1 472 #define ISCSI_LOGIN_RESPONSE_HDR_T_SHIFT 7 473 u8 opcode; 474 __le32 hdr_second_dword; 475 #define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 476 #define ISCSI_LOGIN_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 477 #define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF 478 #define ISCSI_LOGIN_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 479 __le32 isid_tabc; 480 __le16 tsih; 481 __le16 isid_d; 482 __le32 itt; 483 __le32 reserved1; 484 __le32 stat_sn; 485 __le32 exp_cmd_sn; 486 __le32 max_cmd_sn; 487 __le16 reserved2; 488 u8 status_detail; 489 u8 status_class; 490 __le32 reserved4[2]; 491 }; 492 493 struct iscsi_logout_response_hdr { 494 u8 reserved1; 495 u8 response; 496 u8 flags; 497 u8 opcode; 498 __le32 hdr_second_dword; 499 #define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 500 #define ISCSI_LOGOUT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 501 #define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF 502 #define ISCSI_LOGOUT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 503 __le32 reserved2[2]; 504 __le32 itt; 505 __le32 reserved3; 506 __le32 stat_sn; 507 __le32 exp_cmd_sn; 508 __le32 max_cmd_sn; 509 __le32 reserved4; 510 __le16 time_2_retain; 511 __le16 time_2_wait; 512 __le32 reserved5[1]; 513 }; 514 515 struct iscsi_text_request_hdr { 516 __le16 reserved0; 517 u8 flags_attr; 518 #define ISCSI_TEXT_REQUEST_HDR_RSRV_MASK 0x3F 519 #define ISCSI_TEXT_REQUEST_HDR_RSRV_SHIFT 0 520 #define ISCSI_TEXT_REQUEST_HDR_C_MASK 0x1 521 #define ISCSI_TEXT_REQUEST_HDR_C_SHIFT 6 522 #define ISCSI_TEXT_REQUEST_HDR_F_MASK 0x1 523 #define ISCSI_TEXT_REQUEST_HDR_F_SHIFT 7 524 u8 opcode; 525 __le32 hdr_second_dword; 526 #define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 527 #define ISCSI_TEXT_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0 528 #define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF 529 #define ISCSI_TEXT_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24 530 struct regpair lun; 531 __le32 itt; 532 __le32 ttt; 533 __le32 cmd_sn; 534 __le32 exp_stat_sn; 535 __le32 reserved4[4]; 536 }; 537 538 struct iscsi_text_response_hdr { 539 __le16 reserved1; 540 u8 flags; 541 #define ISCSI_TEXT_RESPONSE_HDR_RSRV_MASK 0x3F 542 #define ISCSI_TEXT_RESPONSE_HDR_RSRV_SHIFT 0 543 #define ISCSI_TEXT_RESPONSE_HDR_C_MASK 0x1 544 #define ISCSI_TEXT_RESPONSE_HDR_C_SHIFT 6 545 #define ISCSI_TEXT_RESPONSE_HDR_F_MASK 0x1 546 #define ISCSI_TEXT_RESPONSE_HDR_F_SHIFT 7 547 u8 opcode; 548 __le32 hdr_second_dword; 549 #define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 550 #define ISCSI_TEXT_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 551 #define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF 552 #define ISCSI_TEXT_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 553 struct regpair lun; 554 __le32 itt; 555 __le32 ttt; 556 __le32 stat_sn; 557 __le32 exp_cmd_sn; 558 __le32 max_cmd_sn; 559 __le32 reserved4[3]; 560 }; 561 562 struct iscsi_tmf_request_hdr { 563 __le16 reserved0; 564 u8 function; 565 u8 opcode; 566 __le32 hdr_second_dword; 567 #define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 568 #define ISCSI_TMF_REQUEST_HDR_DATA_SEG_LEN_SHIFT 0 569 #define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_MASK 0xFF 570 #define ISCSI_TMF_REQUEST_HDR_TOTAL_AHS_LEN_SHIFT 24 571 struct regpair lun; 572 __le32 itt; 573 __le32 rtt; 574 __le32 cmd_sn; 575 __le32 exp_stat_sn; 576 __le32 ref_cmd_sn; 577 __le32 exp_data_sn; 578 __le32 reserved4[2]; 579 }; 580 581 struct iscsi_tmf_response_hdr { 582 u8 reserved2; 583 u8 hdr_response; 584 u8 hdr_flags; 585 u8 opcode; 586 __le32 hdr_second_dword; 587 #define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 588 #define ISCSI_TMF_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 589 #define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF 590 #define ISCSI_TMF_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 591 struct regpair reserved0; 592 __le32 itt; 593 __le32 reserved1; 594 __le32 stat_sn; 595 __le32 exp_cmd_sn; 596 __le32 max_cmd_sn; 597 __le32 reserved4[3]; 598 }; 599 600 struct iscsi_response_hdr { 601 u8 hdr_status; 602 u8 hdr_response; 603 u8 hdr_flags; 604 u8 opcode; 605 __le32 hdr_second_dword; 606 #define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 607 #define ISCSI_RESPONSE_HDR_DATA_SEG_LEN_SHIFT 0 608 #define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_MASK 0xFF 609 #define ISCSI_RESPONSE_HDR_TOTAL_AHS_LEN_SHIFT 24 610 struct regpair lun; 611 __le32 itt; 612 __le32 snack_tag; 613 __le32 stat_sn; 614 __le32 exp_cmd_sn; 615 __le32 max_cmd_sn; 616 __le32 exp_data_sn; 617 __le32 bi_residual_count; 618 __le32 residual_count; 619 }; 620 621 struct iscsi_reject_hdr { 622 u8 reserved4; 623 u8 hdr_reason; 624 u8 hdr_flags; 625 u8 opcode; 626 __le32 hdr_second_dword; 627 #define ISCSI_REJECT_HDR_DATA_SEG_LEN_MASK 0xFFFFFF 628 #define ISCSI_REJECT_HDR_DATA_SEG_LEN_SHIFT 0 629 #define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_MASK 0xFF 630 #define ISCSI_REJECT_HDR_TOTAL_AHS_LEN_SHIFT 24 631 struct regpair reserved0; 632 __le32 all_ones; 633 __le32 reserved2; 634 __le32 stat_sn; 635 __le32 exp_cmd_sn; 636 __le32 max_cmd_sn; 637 __le32 data_sn; 638 __le32 reserved3[2]; 639 }; 640 641 union iscsi_task_hdr { 642 struct iscsi_common_hdr common; 643 struct data_hdr data; 644 struct iscsi_cmd_hdr cmd; 645 struct iscsi_ext_cdb_cmd_hdr ext_cdb_cmd; 646 struct iscsi_login_req_hdr login_req; 647 struct iscsi_logout_req_hdr logout_req; 648 struct iscsi_data_out_hdr data_out; 649 struct iscsi_data_in_hdr data_in; 650 struct iscsi_r2t_hdr r2t; 651 struct iscsi_nop_out_hdr nop_out; 652 struct iscsi_nop_in_hdr nop_in; 653 struct iscsi_login_response_hdr login_response; 654 struct iscsi_logout_response_hdr logout_response; 655 struct iscsi_text_request_hdr text_request; 656 struct iscsi_text_response_hdr text_response; 657 struct iscsi_tmf_request_hdr tmf_request; 658 struct iscsi_tmf_response_hdr tmf_response; 659 struct iscsi_response_hdr response; 660 struct iscsi_reject_hdr reject; 661 struct iscsi_async_msg_hdr async_msg; 662 }; 663 664 struct iscsi_cqe_common { 665 __le16 conn_id; 666 u8 cqe_type; 667 union cqe_error_status error_bitmap; 668 __le32 reserved[3]; 669 union iscsi_task_hdr iscsi_hdr; 670 }; 671 672 struct iscsi_cqe_solicited { 673 __le16 conn_id; 674 u8 cqe_type; 675 union cqe_error_status error_bitmap; 676 __le16 itid; 677 u8 task_type; 678 u8 fw_dbg_field; 679 u8 caused_conn_err; 680 u8 reserved0[3]; 681 __le32 reserved1[1]; 682 union iscsi_task_hdr iscsi_hdr; 683 }; 684 685 struct iscsi_cqe_unsolicited { 686 __le16 conn_id; 687 u8 cqe_type; 688 union cqe_error_status error_bitmap; 689 __le16 reserved0; 690 u8 reserved1; 691 u8 unsol_cqe_type; 692 struct regpair rqe_opaque; 693 union iscsi_task_hdr iscsi_hdr; 694 }; 695 696 union iscsi_cqe { 697 struct iscsi_cqe_common cqe_common; 698 struct iscsi_cqe_solicited cqe_solicited; 699 struct iscsi_cqe_unsolicited cqe_unsolicited; 700 }; 701 702 enum iscsi_cqes_type { 703 ISCSI_CQE_TYPE_SOLICITED = 1, 704 ISCSI_CQE_TYPE_UNSOLICITED, 705 ISCSI_CQE_TYPE_SOLICITED_WITH_SENSE, 706 ISCSI_CQE_TYPE_TASK_CLEANUP, 707 ISCSI_CQE_TYPE_DUMMY, 708 MAX_ISCSI_CQES_TYPE 709 }; 710 711 enum iscsi_cqe_unsolicited_type { 712 ISCSI_CQE_UNSOLICITED_NONE, 713 ISCSI_CQE_UNSOLICITED_SINGLE, 714 ISCSI_CQE_UNSOLICITED_FIRST, 715 ISCSI_CQE_UNSOLICITED_MIDDLE, 716 ISCSI_CQE_UNSOLICITED_LAST, 717 MAX_ISCSI_CQE_UNSOLICITED_TYPE 718 }; 719 720 721 struct iscsi_debug_modes { 722 u8 flags; 723 #define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_MASK 0x1 724 #define ISCSI_DEBUG_MODES_ASSERT_IF_RX_CONN_ERROR_SHIFT 0 725 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_MASK 0x1 726 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_RESET_SHIFT 1 727 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_MASK 0x1 728 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_FIN_SHIFT 2 729 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_MASK 0x1 730 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_CLEANUP_SHIFT 3 731 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_MASK 0x1 732 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_REJECT_OR_ASYNC_SHIFT 4 733 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_MASK 0x1 734 #define ISCSI_DEBUG_MODES_ASSERT_IF_RECV_NOP_SHIFT 5 735 #define ISCSI_DEBUG_MODES_ASSERT_IF_DATA_DIGEST_ERROR_MASK 0x1 736 #define ISCSI_DEBUG_MODES_ASSERT_IF_DATA_DIGEST_ERROR_SHIFT 6 737 #define ISCSI_DEBUG_MODES_ASSERT_IF_DIF_ERROR_MASK 0x1 738 #define ISCSI_DEBUG_MODES_ASSERT_IF_DIF_ERROR_SHIFT 7 739 }; 740 741 struct iscsi_dif_flags { 742 u8 flags; 743 #define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_MASK 0xF 744 #define ISCSI_DIF_FLAGS_PROT_INTERVAL_SIZE_LOG_SHIFT 0 745 #define ISCSI_DIF_FLAGS_DIF_TO_PEER_MASK 0x1 746 #define ISCSI_DIF_FLAGS_DIF_TO_PEER_SHIFT 4 747 #define ISCSI_DIF_FLAGS_HOST_INTERFACE_MASK 0x7 748 #define ISCSI_DIF_FLAGS_HOST_INTERFACE_SHIFT 5 749 }; 750 751 enum iscsi_eqe_opcode { 752 ISCSI_EVENT_TYPE_INIT_FUNC = 0, 753 ISCSI_EVENT_TYPE_DESTROY_FUNC, 754 ISCSI_EVENT_TYPE_OFFLOAD_CONN, 755 ISCSI_EVENT_TYPE_UPDATE_CONN, 756 ISCSI_EVENT_TYPE_CLEAR_SQ, 757 ISCSI_EVENT_TYPE_TERMINATE_CONN, 758 ISCSI_EVENT_TYPE_MAC_UPDATE_CONN, 759 ISCSI_EVENT_TYPE_ASYN_CONNECT_COMPLETE, 760 ISCSI_EVENT_TYPE_ASYN_TERMINATE_DONE, 761 RESERVED9, 762 ISCSI_EVENT_TYPE_START_OF_ERROR_TYPES = 10, 763 ISCSI_EVENT_TYPE_ASYN_ABORT_RCVD, 764 ISCSI_EVENT_TYPE_ASYN_CLOSE_RCVD, 765 ISCSI_EVENT_TYPE_ASYN_SYN_RCVD, 766 ISCSI_EVENT_TYPE_ASYN_MAX_RT_TIME, 767 ISCSI_EVENT_TYPE_ASYN_MAX_RT_CNT, 768 ISCSI_EVENT_TYPE_ASYN_MAX_KA_PROBES_CNT, 769 ISCSI_EVENT_TYPE_ASYN_FIN_WAIT2, 770 ISCSI_EVENT_TYPE_ISCSI_CONN_ERROR, 771 ISCSI_EVENT_TYPE_TCP_CONN_ERROR, 772 MAX_ISCSI_EQE_OPCODE 773 }; 774 775 enum iscsi_error_types { 776 ISCSI_STATUS_NONE = 0, 777 ISCSI_CQE_ERROR_UNSOLICITED_RCV_ON_INVALID_CONN = 1, 778 ISCSI_CONN_ERROR_TASK_CID_MISMATCH, 779 ISCSI_CONN_ERROR_TASK_NOT_VALID, 780 ISCSI_CONN_ERROR_RQ_RING_IS_FULL, 781 ISCSI_CONN_ERROR_CMDQ_RING_IS_FULL, 782 ISCSI_CONN_ERROR_HQE_CACHING_FAILED, 783 ISCSI_CONN_ERROR_HEADER_DIGEST_ERROR, 784 ISCSI_CONN_ERROR_LOCAL_COMPLETION_ERROR, 785 ISCSI_CONN_ERROR_DATA_OVERRUN, 786 ISCSI_CONN_ERROR_OUT_OF_SGES_ERROR, 787 ISCSI_CONN_ERROR_IP_OPTIONS_ERROR, 788 ISCSI_CONN_ERROR_PRS_ERRORS, 789 ISCSI_CONN_ERROR_CONNECT_INVALID_TCP_OPTION, 790 ISCSI_CONN_ERROR_TCP_IP_FRAGMENT_ERROR, 791 ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_LEN, 792 ISCSI_CONN_ERROR_PROTOCOL_ERR_AHS_TYPE, 793 ISCSI_CONN_ERROR_PROTOCOL_ERR_ITT_OUT_OF_RANGE, 794 ISCSI_CONN_ERROR_PROTOCOL_ERR_TTT_OUT_OF_RANGE, 795 ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_EXCEEDS_PDU_SIZE, 796 ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE, 797 ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_OPCODE_BEFORE_UPDATE, 798 ISCSI_CONN_ERROR_UNVALID_NOPIN_DSL, 799 ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_CARRIES_NO_DATA, 800 ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SN, 801 ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_IN_TTT, 802 ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_OUT_ITT, 803 ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_TTT, 804 ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_BUFFER_OFFSET, 805 ISCSI_CONN_ERROR_PROTOCOL_ERR_BUFFER_OFFSET_OOO, 806 ISCSI_CONN_ERROR_PROTOCOL_ERR_R2T_SN, 807 ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_0, 808 ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_1, 809 ISCSI_CONN_ERROR_PROTOCOL_ERR_DESIRED_DATA_TRNS_LEN_2, 810 ISCSI_CONN_ERROR_PROTOCOL_ERR_LUN, 811 ISCSI_CONN_ERROR_PROTOCOL_ERR_F_BIT_ZERO, 812 ISCSI_CONN_ERROR_PROTOCOL_ERR_F_BIT_ZERO_S_BIT_ONE, 813 ISCSI_CONN_ERROR_PROTOCOL_ERR_EXP_STAT_SN, 814 ISCSI_CONN_ERROR_PROTOCOL_ERR_DSL_NOT_ZERO, 815 ISCSI_CONN_ERROR_PROTOCOL_ERR_INVALID_DSL, 816 ISCSI_CONN_ERROR_PROTOCOL_ERR_DATA_SEG_LEN_TOO_BIG, 817 ISCSI_CONN_ERROR_PROTOCOL_ERR_OUTSTANDING_R2T_COUNT, 818 ISCSI_CONN_ERROR_PROTOCOL_ERR_DIF_TX, 819 ISCSI_CONN_ERROR_SENSE_DATA_LENGTH, 820 ISCSI_CONN_ERROR_DATA_PLACEMENT_ERROR, 821 ISCSI_CONN_ERROR_INVALID_ITT, 822 ISCSI_ERROR_UNKNOWN, 823 MAX_ISCSI_ERROR_TYPES 824 }; 825 826 827 enum iscsi_ramrod_cmd_id { 828 ISCSI_RAMROD_CMD_ID_UNUSED = 0, 829 ISCSI_RAMROD_CMD_ID_INIT_FUNC = 1, 830 ISCSI_RAMROD_CMD_ID_DESTROY_FUNC = 2, 831 ISCSI_RAMROD_CMD_ID_OFFLOAD_CONN = 3, 832 ISCSI_RAMROD_CMD_ID_UPDATE_CONN = 4, 833 ISCSI_RAMROD_CMD_ID_TERMINATION_CONN = 5, 834 ISCSI_RAMROD_CMD_ID_CLEAR_SQ = 6, 835 ISCSI_RAMROD_CMD_ID_MAC_UPDATE = 7, 836 MAX_ISCSI_RAMROD_CMD_ID 837 }; 838 839 struct iscsi_reg1 { 840 __le32 reg1_map; 841 #define ISCSI_REG1_NUM_SGES_MASK 0xF 842 #define ISCSI_REG1_NUM_SGES_SHIFT 0 843 #define ISCSI_REG1_RESERVED1_MASK 0xFFFFFFF 844 #define ISCSI_REG1_RESERVED1_SHIFT 4 845 }; 846 847 union iscsi_seq_num { 848 __le16 data_sn; 849 __le16 r2t_sn; 850 }; 851 852 struct iscsi_spe_conn_mac_update { 853 struct iscsi_slow_path_hdr hdr; 854 __le16 conn_id; 855 __le32 fw_cid; 856 __le16 remote_mac_addr_lo; 857 __le16 remote_mac_addr_mid; 858 __le16 remote_mac_addr_hi; 859 u8 reserved0[2]; 860 }; 861 862 struct iscsi_spe_conn_offload { 863 struct iscsi_slow_path_hdr hdr; 864 __le16 conn_id; 865 __le32 fw_cid; 866 struct iscsi_conn_offload_params iscsi; 867 struct tcp_offload_params tcp; 868 }; 869 870 struct iscsi_spe_conn_offload_option2 { 871 struct iscsi_slow_path_hdr hdr; 872 __le16 conn_id; 873 __le32 fw_cid; 874 struct iscsi_conn_offload_params iscsi; 875 struct tcp_offload_params_opt2 tcp; 876 }; 877 878 struct iscsi_spe_conn_termination { 879 struct iscsi_slow_path_hdr hdr; 880 __le16 conn_id; 881 __le32 fw_cid; 882 u8 abortive; 883 u8 reserved0[7]; 884 struct regpair queue_cnts_addr; 885 struct regpair query_params_addr; 886 }; 887 888 struct iscsi_spe_func_dstry { 889 struct iscsi_slow_path_hdr hdr; 890 __le16 reserved0; 891 __le32 reserved1; 892 }; 893 894 struct iscsi_spe_func_init { 895 struct iscsi_slow_path_hdr hdr; 896 __le16 half_way_close_timeout; 897 u8 num_sq_pages_in_ring; 898 u8 num_r2tq_pages_in_ring; 899 u8 num_uhq_pages_in_ring; 900 u8 ll2_rx_queue_id; 901 u8 ooo_enable; 902 struct iscsi_debug_modes debug_mode; 903 __le16 reserved1; 904 __le32 reserved2; 905 __le32 reserved3; 906 __le32 reserved4; 907 struct scsi_init_func_params func_params; 908 struct scsi_init_func_queues q_params; 909 }; 910 911 struct ystorm_iscsi_task_state { 912 struct scsi_cached_sges data_desc; 913 struct scsi_sgl_params sgl_params; 914 __le32 exp_r2t_sn; 915 __le32 buffer_offset; 916 union iscsi_seq_num seq_num; 917 struct iscsi_dif_flags dif_flags; 918 u8 flags; 919 #define YSTORM_ISCSI_TASK_STATE_LOCAL_COMP_MASK 0x1 920 #define YSTORM_ISCSI_TASK_STATE_LOCAL_COMP_SHIFT 0 921 #define YSTORM_ISCSI_TASK_STATE_SLOW_IO_MASK 0x1 922 #define YSTORM_ISCSI_TASK_STATE_SLOW_IO_SHIFT 1 923 #define YSTORM_ISCSI_TASK_STATE_RESERVED0_MASK 0x3F 924 #define YSTORM_ISCSI_TASK_STATE_RESERVED0_SHIFT 2 925 }; 926 927 struct ystorm_iscsi_task_rxmit_opt { 928 __le32 fast_rxmit_sge_offset; 929 __le32 scan_start_buffer_offset; 930 __le32 fast_rxmit_buffer_offset; 931 u8 scan_start_sgl_index; 932 u8 fast_rxmit_sgl_index; 933 __le16 reserved; 934 }; 935 936 struct ystorm_iscsi_task_st_ctx { 937 struct ystorm_iscsi_task_state state; 938 struct ystorm_iscsi_task_rxmit_opt rxmit_opt; 939 union iscsi_task_hdr pdu_hdr; 940 }; 941 942 struct ystorm_iscsi_task_ag_ctx { 943 u8 reserved; 944 u8 byte1; 945 __le16 word0; 946 u8 flags0; 947 #define YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF 948 #define YSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 949 #define YSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 950 #define YSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 951 #define YSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 952 #define YSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 953 #define YSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 954 #define YSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 955 #define YSTORM_ISCSI_TASK_AG_CTX_BIT3_MASK 0x1 956 #define YSTORM_ISCSI_TASK_AG_CTX_BIT3_SHIFT 7 957 u8 flags1; 958 #define YSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 959 #define YSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 0 960 #define YSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 961 #define YSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 962 #define YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_MASK 0x3 963 #define YSTORM_ISCSI_TASK_AG_CTX_CF2SPECIAL_SHIFT 4 964 #define YSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 965 #define YSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 6 966 #define YSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 967 #define YSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 968 u8 flags2; 969 #define YSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 970 #define YSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 971 #define YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 972 #define YSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 973 #define YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 974 #define YSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 975 #define YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 976 #define YSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 977 #define YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 978 #define YSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 979 #define YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 980 #define YSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 981 #define YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 982 #define YSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 983 #define YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 984 #define YSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 985 u8 byte2; 986 __le32 TTT; 987 u8 byte3; 988 u8 byte4; 989 __le16 word1; 990 }; 991 992 struct mstorm_iscsi_task_ag_ctx { 993 u8 cdu_validation; 994 u8 byte1; 995 __le16 task_cid; 996 u8 flags0; 997 #define MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF 998 #define MSTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 999 #define MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 1000 #define MSTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 1001 #define MSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 1002 #define MSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1003 #define MSTORM_ISCSI_TASK_AG_CTX_VALID_MASK 0x1 1004 #define MSTORM_ISCSI_TASK_AG_CTX_VALID_SHIFT 6 1005 #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_MASK 0x1 1006 #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_FLAG_SHIFT 7 1007 u8 flags1; 1008 #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_MASK 0x3 1009 #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_SHIFT 0 1010 #define MSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 1011 #define MSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 2 1012 #define MSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 1013 #define MSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 4 1014 #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_MASK 0x1 1015 #define MSTORM_ISCSI_TASK_AG_CTX_TASK_CLEANUP_CF_EN_SHIFT 6 1016 #define MSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 1017 #define MSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 7 1018 u8 flags2; 1019 #define MSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 1020 #define MSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 0 1021 #define MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 1022 #define MSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 1 1023 #define MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 1024 #define MSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 2 1025 #define MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 1026 #define MSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 3 1027 #define MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 1028 #define MSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 4 1029 #define MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 1030 #define MSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 5 1031 #define MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 1032 #define MSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 6 1033 #define MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 1034 #define MSTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 7 1035 u8 byte2; 1036 __le32 reg0; 1037 u8 byte3; 1038 u8 byte4; 1039 __le16 word1; 1040 }; 1041 1042 struct ustorm_iscsi_task_ag_ctx { 1043 u8 reserved; 1044 u8 state; 1045 __le16 icid; 1046 u8 flags0; 1047 #define USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF 1048 #define USTORM_ISCSI_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 1049 #define USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 1050 #define USTORM_ISCSI_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 1051 #define USTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 1052 #define USTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1053 #define USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_MASK 0x3 1054 #define USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_SHIFT 6 1055 u8 flags1; 1056 #define USTORM_ISCSI_TASK_AG_CTX_RESERVED1_MASK 0x3 1057 #define USTORM_ISCSI_TASK_AG_CTX_RESERVED1_SHIFT 0 1058 #define USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_MASK 0x3 1059 #define USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_SHIFT 2 1060 #define USTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 1061 #define USTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 4 1062 #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_MASK 0x3 1063 #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_SHIFT 6 1064 u8 flags2; 1065 #define USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_MASK 0x1 1066 #define USTORM_ISCSI_TASK_AG_CTX_HQ_SCANNED_CF_EN_SHIFT 0 1067 #define USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_MASK 0x1 1068 #define USTORM_ISCSI_TASK_AG_CTX_DISABLE_DATA_ACKED_SHIFT 1 1069 #define USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_MASK 0x1 1070 #define USTORM_ISCSI_TASK_AG_CTX_R2T2RECV_EN_SHIFT 2 1071 #define USTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 1072 #define USTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 3 1073 #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_MASK 0x1 1074 #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_CF_EN_SHIFT 4 1075 #define USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_MASK 0x1 1076 #define USTORM_ISCSI_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_SHIFT 5 1077 #define USTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 1078 #define USTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 6 1079 #define USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_MASK 0x1 1080 #define USTORM_ISCSI_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_SHIFT 7 1081 u8 flags3; 1082 #define USTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 1083 #define USTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 0 1084 #define USTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 1085 #define USTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 1 1086 #define USTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 1087 #define USTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 2 1088 #define USTORM_ISCSI_TASK_AG_CTX_RULE6EN_MASK 0x1 1089 #define USTORM_ISCSI_TASK_AG_CTX_RULE6EN_SHIFT 3 1090 #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_MASK 0xF 1091 #define USTORM_ISCSI_TASK_AG_CTX_DIF_ERROR_TYPE_SHIFT 4 1092 __le32 dif_err_intervals; 1093 __le32 dif_error_1st_interval; 1094 __le32 rcv_cont_len; 1095 __le32 exp_cont_len; 1096 __le32 total_data_acked; 1097 __le32 exp_data_acked; 1098 u8 next_tid_valid; 1099 u8 byte3; 1100 __le16 word1; 1101 __le16 next_tid; 1102 __le16 word3; 1103 __le32 hdr_residual_count; 1104 __le32 exp_r2t_sn; 1105 }; 1106 1107 struct mstorm_iscsi_task_st_ctx { 1108 struct scsi_cached_sges data_desc; 1109 struct scsi_sgl_params sgl_params; 1110 __le32 rem_task_size; 1111 __le32 data_buffer_offset; 1112 u8 task_type; 1113 struct iscsi_dif_flags dif_flags; 1114 u8 reserved0[2]; 1115 struct regpair sense_db; 1116 __le32 expected_itt; 1117 __le32 reserved1; 1118 }; 1119 1120 struct ustorm_iscsi_task_st_ctx { 1121 __le32 rem_rcv_len; 1122 __le32 exp_data_transfer_len; 1123 __le32 exp_data_sn; 1124 struct regpair lun; 1125 struct iscsi_reg1 reg1; 1126 u8 flags2; 1127 #define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_MASK 0x1 1128 #define USTORM_ISCSI_TASK_ST_CTX_AHS_EXIST_SHIFT 0 1129 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_MASK 0x7F 1130 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED1_SHIFT 1 1131 struct iscsi_dif_flags dif_flags; 1132 __le16 reserved3; 1133 __le32 reserved4; 1134 __le32 reserved5; 1135 __le32 reserved6; 1136 __le32 reserved7; 1137 u8 task_type; 1138 u8 error_flags; 1139 #define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_MASK 0x1 1140 #define USTORM_ISCSI_TASK_ST_CTX_DATA_DIGEST_ERROR_SHIFT 0 1141 #define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_MASK 0x1 1142 #define USTORM_ISCSI_TASK_ST_CTX_DATA_TRUNCATED_ERROR_SHIFT 1 1143 #define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_MASK 0x1 1144 #define USTORM_ISCSI_TASK_ST_CTX_UNDER_RUN_ERROR_SHIFT 2 1145 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_MASK 0x1F 1146 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED8_SHIFT 3 1147 u8 flags; 1148 #define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_MASK 0x3 1149 #define USTORM_ISCSI_TASK_ST_CTX_CQE_WRITE_SHIFT 0 1150 #define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_MASK 0x1 1151 #define USTORM_ISCSI_TASK_ST_CTX_LOCAL_COMP_SHIFT 2 1152 #define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_MASK 0x1 1153 #define USTORM_ISCSI_TASK_ST_CTX_Q0_R2TQE_WRITE_SHIFT 3 1154 #define USTORM_ISCSI_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_MASK 0x1 1155 #define USTORM_ISCSI_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_SHIFT 4 1156 #define USTORM_ISCSI_TASK_ST_CTX_HQ_SCANNED_DONE_MASK 0x1 1157 #define USTORM_ISCSI_TASK_ST_CTX_HQ_SCANNED_DONE_SHIFT 5 1158 #define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_MASK 0x1 1159 #define USTORM_ISCSI_TASK_ST_CTX_R2T2RECV_DONE_SHIFT 6 1160 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_MASK 0x1 1161 #define USTORM_ISCSI_TASK_ST_CTX_RESERVED0_SHIFT 7 1162 u8 cq_rss_number; 1163 }; 1164 1165 struct iscsi_task_context { 1166 struct ystorm_iscsi_task_st_ctx ystorm_st_context; 1167 struct ystorm_iscsi_task_ag_ctx ystorm_ag_context; 1168 struct regpair ystorm_ag_padding[2]; 1169 struct tdif_task_context tdif_context; 1170 struct mstorm_iscsi_task_ag_ctx mstorm_ag_context; 1171 struct regpair mstorm_ag_padding[2]; 1172 struct ustorm_iscsi_task_ag_ctx ustorm_ag_context; 1173 struct mstorm_iscsi_task_st_ctx mstorm_st_context; 1174 struct ustorm_iscsi_task_st_ctx ustorm_st_context; 1175 struct rdif_task_context rdif_context; 1176 }; 1177 1178 enum iscsi_task_type { 1179 ISCSI_TASK_TYPE_INITIATOR_WRITE, 1180 ISCSI_TASK_TYPE_INITIATOR_READ, 1181 ISCSI_TASK_TYPE_MIDPATH, 1182 ISCSI_TASK_TYPE_UNSOLIC, 1183 ISCSI_TASK_TYPE_EXCHCLEANUP, 1184 ISCSI_TASK_TYPE_IRRELEVANT, 1185 ISCSI_TASK_TYPE_TARGET_WRITE, 1186 ISCSI_TASK_TYPE_TARGET_READ, 1187 ISCSI_TASK_TYPE_TARGET_RESPONSE, 1188 ISCSI_TASK_TYPE_LOGIN_RESPONSE, 1189 MAX_ISCSI_TASK_TYPE 1190 }; 1191 1192 union iscsi_ttt_txlen_union { 1193 __le32 desired_tx_len; 1194 __le32 ttt; 1195 }; 1196 1197 struct iscsi_uhqe { 1198 __le32 reg1; 1199 #define ISCSI_UHQE_PDU_PAYLOAD_LEN_MASK 0xFFFFF 1200 #define ISCSI_UHQE_PDU_PAYLOAD_LEN_SHIFT 0 1201 #define ISCSI_UHQE_LOCAL_COMP_MASK 0x1 1202 #define ISCSI_UHQE_LOCAL_COMP_SHIFT 20 1203 #define ISCSI_UHQE_TOGGLE_BIT_MASK 0x1 1204 #define ISCSI_UHQE_TOGGLE_BIT_SHIFT 21 1205 #define ISCSI_UHQE_PURE_PAYLOAD_MASK 0x1 1206 #define ISCSI_UHQE_PURE_PAYLOAD_SHIFT 22 1207 #define ISCSI_UHQE_LOGIN_RESPONSE_PDU_MASK 0x1 1208 #define ISCSI_UHQE_LOGIN_RESPONSE_PDU_SHIFT 23 1209 #define ISCSI_UHQE_TASK_ID_HI_MASK 0xFF 1210 #define ISCSI_UHQE_TASK_ID_HI_SHIFT 24 1211 __le32 reg2; 1212 #define ISCSI_UHQE_BUFFER_OFFSET_MASK 0xFFFFFF 1213 #define ISCSI_UHQE_BUFFER_OFFSET_SHIFT 0 1214 #define ISCSI_UHQE_TASK_ID_LO_MASK 0xFF 1215 #define ISCSI_UHQE_TASK_ID_LO_SHIFT 24 1216 }; 1217 1218 1219 struct iscsi_wqe { 1220 __le16 task_id; 1221 u8 flags; 1222 #define ISCSI_WQE_WQE_TYPE_MASK 0x7 1223 #define ISCSI_WQE_WQE_TYPE_SHIFT 0 1224 #define ISCSI_WQE_NUM_SGES_MASK 0xF 1225 #define ISCSI_WQE_NUM_SGES_SHIFT 3 1226 #define ISCSI_WQE_RESPONSE_MASK 0x1 1227 #define ISCSI_WQE_RESPONSE_SHIFT 7 1228 struct iscsi_dif_flags prot_flags; 1229 __le32 contlen_cdbsize; 1230 #define ISCSI_WQE_CONT_LEN_MASK 0xFFFFFF 1231 #define ISCSI_WQE_CONT_LEN_SHIFT 0 1232 #define ISCSI_WQE_CDB_SIZE_MASK 0xFF 1233 #define ISCSI_WQE_CDB_SIZE_SHIFT 24 1234 }; 1235 1236 enum iscsi_wqe_type { 1237 ISCSI_WQE_TYPE_NORMAL, 1238 ISCSI_WQE_TYPE_TASK_CLEANUP, 1239 ISCSI_WQE_TYPE_MIDDLE_PATH, 1240 ISCSI_WQE_TYPE_LOGIN, 1241 ISCSI_WQE_TYPE_FIRST_R2T_CONT, 1242 ISCSI_WQE_TYPE_NONFIRST_R2T_CONT, 1243 ISCSI_WQE_TYPE_RESPONSE, 1244 MAX_ISCSI_WQE_TYPE 1245 }; 1246 1247 struct iscsi_xhqe { 1248 union iscsi_ttt_txlen_union ttt_or_txlen; 1249 __le32 exp_stat_sn; 1250 struct iscsi_dif_flags prot_flags; 1251 u8 total_ahs_length; 1252 u8 opcode; 1253 u8 flags; 1254 #define ISCSI_XHQE_FINAL_MASK 0x1 1255 #define ISCSI_XHQE_FINAL_SHIFT 0 1256 #define ISCSI_XHQE_STATUS_BIT_MASK 0x1 1257 #define ISCSI_XHQE_STATUS_BIT_SHIFT 1 1258 #define ISCSI_XHQE_NUM_SGES_MASK 0xF 1259 #define ISCSI_XHQE_NUM_SGES_SHIFT 2 1260 #define ISCSI_XHQE_RESERVED0_MASK 0x3 1261 #define ISCSI_XHQE_RESERVED0_SHIFT 6 1262 union iscsi_seq_num seq_num; 1263 __le16 reserved1; 1264 }; 1265 1266 struct mstorm_iscsi_stats_drv { 1267 struct regpair iscsi_rx_dropped_pdus_task_not_valid; 1268 }; 1269 1270 struct pstorm_iscsi_stats_drv { 1271 struct regpair iscsi_tx_bytes_cnt; 1272 struct regpair iscsi_tx_packet_cnt; 1273 }; 1274 1275 struct tstorm_iscsi_stats_drv { 1276 struct regpair iscsi_rx_bytes_cnt; 1277 struct regpair iscsi_rx_packet_cnt; 1278 struct regpair iscsi_rx_new_ooo_isle_events_cnt; 1279 __le32 iscsi_cmdq_threshold_cnt; 1280 __le32 iscsi_rq_threshold_cnt; 1281 __le32 iscsi_immq_threshold_cnt; 1282 }; 1283 1284 struct ustorm_iscsi_stats_drv { 1285 struct regpair iscsi_rx_data_pdu_cnt; 1286 struct regpair iscsi_rx_r2t_pdu_cnt; 1287 struct regpair iscsi_rx_total_pdu_cnt; 1288 }; 1289 1290 struct xstorm_iscsi_stats_drv { 1291 struct regpair iscsi_tx_go_to_slow_start_event_cnt; 1292 struct regpair iscsi_tx_fast_retransmit_event_cnt; 1293 }; 1294 1295 struct ystorm_iscsi_stats_drv { 1296 struct regpair iscsi_tx_data_pdu_cnt; 1297 struct regpair iscsi_tx_r2t_pdu_cnt; 1298 struct regpair iscsi_tx_total_pdu_cnt; 1299 }; 1300 1301 struct tstorm_iscsi_task_ag_ctx { 1302 u8 byte0; 1303 u8 byte1; 1304 __le16 word0; 1305 u8 flags0; 1306 #define TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_MASK 0xF 1307 #define TSTORM_ISCSI_TASK_AG_CTX_NIBBLE0_SHIFT 0 1308 #define TSTORM_ISCSI_TASK_AG_CTX_BIT0_MASK 0x1 1309 #define TSTORM_ISCSI_TASK_AG_CTX_BIT0_SHIFT 4 1310 #define TSTORM_ISCSI_TASK_AG_CTX_BIT1_MASK 0x1 1311 #define TSTORM_ISCSI_TASK_AG_CTX_BIT1_SHIFT 5 1312 #define TSTORM_ISCSI_TASK_AG_CTX_BIT2_MASK 0x1 1313 #define TSTORM_ISCSI_TASK_AG_CTX_BIT2_SHIFT 6 1314 #define TSTORM_ISCSI_TASK_AG_CTX_BIT3_MASK 0x1 1315 #define TSTORM_ISCSI_TASK_AG_CTX_BIT3_SHIFT 7 1316 u8 flags1; 1317 #define TSTORM_ISCSI_TASK_AG_CTX_BIT4_MASK 0x1 1318 #define TSTORM_ISCSI_TASK_AG_CTX_BIT4_SHIFT 0 1319 #define TSTORM_ISCSI_TASK_AG_CTX_BIT5_MASK 0x1 1320 #define TSTORM_ISCSI_TASK_AG_CTX_BIT5_SHIFT 1 1321 #define TSTORM_ISCSI_TASK_AG_CTX_CF0_MASK 0x3 1322 #define TSTORM_ISCSI_TASK_AG_CTX_CF0_SHIFT 2 1323 #define TSTORM_ISCSI_TASK_AG_CTX_CF1_MASK 0x3 1324 #define TSTORM_ISCSI_TASK_AG_CTX_CF1_SHIFT 4 1325 #define TSTORM_ISCSI_TASK_AG_CTX_CF2_MASK 0x3 1326 #define TSTORM_ISCSI_TASK_AG_CTX_CF2_SHIFT 6 1327 u8 flags2; 1328 #define TSTORM_ISCSI_TASK_AG_CTX_CF3_MASK 0x3 1329 #define TSTORM_ISCSI_TASK_AG_CTX_CF3_SHIFT 0 1330 #define TSTORM_ISCSI_TASK_AG_CTX_CF4_MASK 0x3 1331 #define TSTORM_ISCSI_TASK_AG_CTX_CF4_SHIFT 2 1332 #define TSTORM_ISCSI_TASK_AG_CTX_CF5_MASK 0x3 1333 #define TSTORM_ISCSI_TASK_AG_CTX_CF5_SHIFT 4 1334 #define TSTORM_ISCSI_TASK_AG_CTX_CF6_MASK 0x3 1335 #define TSTORM_ISCSI_TASK_AG_CTX_CF6_SHIFT 6 1336 u8 flags3; 1337 #define TSTORM_ISCSI_TASK_AG_CTX_CF7_MASK 0x3 1338 #define TSTORM_ISCSI_TASK_AG_CTX_CF7_SHIFT 0 1339 #define TSTORM_ISCSI_TASK_AG_CTX_CF0EN_MASK 0x1 1340 #define TSTORM_ISCSI_TASK_AG_CTX_CF0EN_SHIFT 2 1341 #define TSTORM_ISCSI_TASK_AG_CTX_CF1EN_MASK 0x1 1342 #define TSTORM_ISCSI_TASK_AG_CTX_CF1EN_SHIFT 3 1343 #define TSTORM_ISCSI_TASK_AG_CTX_CF2EN_MASK 0x1 1344 #define TSTORM_ISCSI_TASK_AG_CTX_CF2EN_SHIFT 4 1345 #define TSTORM_ISCSI_TASK_AG_CTX_CF3EN_MASK 0x1 1346 #define TSTORM_ISCSI_TASK_AG_CTX_CF3EN_SHIFT 5 1347 #define TSTORM_ISCSI_TASK_AG_CTX_CF4EN_MASK 0x1 1348 #define TSTORM_ISCSI_TASK_AG_CTX_CF4EN_SHIFT 6 1349 #define TSTORM_ISCSI_TASK_AG_CTX_CF5EN_MASK 0x1 1350 #define TSTORM_ISCSI_TASK_AG_CTX_CF5EN_SHIFT 7 1351 u8 flags4; 1352 #define TSTORM_ISCSI_TASK_AG_CTX_CF6EN_MASK 0x1 1353 #define TSTORM_ISCSI_TASK_AG_CTX_CF6EN_SHIFT 0 1354 #define TSTORM_ISCSI_TASK_AG_CTX_CF7EN_MASK 0x1 1355 #define TSTORM_ISCSI_TASK_AG_CTX_CF7EN_SHIFT 1 1356 #define TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_MASK 0x1 1357 #define TSTORM_ISCSI_TASK_AG_CTX_RULE0EN_SHIFT 2 1358 #define TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_MASK 0x1 1359 #define TSTORM_ISCSI_TASK_AG_CTX_RULE1EN_SHIFT 3 1360 #define TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_MASK 0x1 1361 #define TSTORM_ISCSI_TASK_AG_CTX_RULE2EN_SHIFT 4 1362 #define TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_MASK 0x1 1363 #define TSTORM_ISCSI_TASK_AG_CTX_RULE3EN_SHIFT 5 1364 #define TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_MASK 0x1 1365 #define TSTORM_ISCSI_TASK_AG_CTX_RULE4EN_SHIFT 6 1366 #define TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_MASK 0x1 1367 #define TSTORM_ISCSI_TASK_AG_CTX_RULE5EN_SHIFT 7 1368 u8 byte2; 1369 __le16 word1; 1370 __le32 reg0; 1371 u8 byte3; 1372 u8 byte4; 1373 __le16 word2; 1374 __le16 word3; 1375 __le16 word4; 1376 __le32 reg1; 1377 __le32 reg2; 1378 }; 1379 struct iscsi_db_data { 1380 u8 params; 1381 #define ISCSI_DB_DATA_DEST_MASK 0x3 1382 #define ISCSI_DB_DATA_DEST_SHIFT 0 1383 #define ISCSI_DB_DATA_AGG_CMD_MASK 0x3 1384 #define ISCSI_DB_DATA_AGG_CMD_SHIFT 2 1385 #define ISCSI_DB_DATA_BYPASS_EN_MASK 0x1 1386 #define ISCSI_DB_DATA_BYPASS_EN_SHIFT 4 1387 #define ISCSI_DB_DATA_RESERVED_MASK 0x1 1388 #define ISCSI_DB_DATA_RESERVED_SHIFT 5 1389 #define ISCSI_DB_DATA_AGG_VAL_SEL_MASK 0x3 1390 #define ISCSI_DB_DATA_AGG_VAL_SEL_SHIFT 6 1391 u8 agg_flags; 1392 __le16 sq_prod; 1393 }; 1394 1395 #endif /* __ISCSI_COMMON__ */ 1396