1 /** 2 * Copyright (C) 2005 - 2011 Emulex 3 * All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License version 2 7 * as published by the Free Software Foundation. The full GNU General 8 * Public License is included in this distribution in the file called COPYING. 9 * 10 * Contact Information: 11 * linux-drivers@emulex.com 12 * 13 * Emulex 14 * 3333 Susan Street 15 * Costa Mesa, CA 92626 16 */ 17 18 #ifndef BEISCSI_CMDS_H 19 #define BEISCSI_CMDS_H 20 21 /** 22 * The driver sends configuration and managements command requests to the 23 * firmware in the BE. These requests are communicated to the processor 24 * using Work Request Blocks (WRBs) submitted to the MCC-WRB ring or via one 25 * WRB inside a MAILBOX. 26 * The commands are serviced by the ARM processor in the OneConnect's MPU. 27 */ 28 struct be_sge { 29 u32 pa_lo; 30 u32 pa_hi; 31 u32 len; 32 }; 33 34 #define MCC_WRB_SGE_CNT_SHIFT 3 /* bits 3 - 7 of dword 0 */ 35 #define MCC_WRB_SGE_CNT_MASK 0x1F /* bits 3 - 7 of dword 0 */ 36 struct be_mcc_wrb { 37 u32 embedded; /* dword 0 */ 38 u32 payload_length; /* dword 1 */ 39 u32 tag0; /* dword 2 */ 40 u32 tag1; /* dword 3 */ 41 u32 rsvd; /* dword 4 */ 42 union { 43 u8 embedded_payload[236]; /* used by embedded cmds */ 44 struct be_sge sgl[19]; /* used by non-embedded cmds */ 45 } payload; 46 }; 47 48 #define CQE_FLAGS_VALID_MASK (1 << 31) 49 #define CQE_FLAGS_ASYNC_MASK (1 << 30) 50 #define CQE_FLAGS_COMPLETED_MASK (1 << 28) 51 #define CQE_FLAGS_CONSUMED_MASK (1 << 27) 52 53 /* Completion Status */ 54 #define MCC_STATUS_SUCCESS 0x0 55 56 #define CQE_STATUS_COMPL_MASK 0xFFFF 57 #define CQE_STATUS_COMPL_SHIFT 0 /* bits 0 - 15 */ 58 #define CQE_STATUS_EXTD_MASK 0xFFFF 59 #define CQE_STATUS_EXTD_SHIFT 16 /* bits 0 - 15 */ 60 61 struct be_mcc_compl { 62 u32 status; /* dword 0 */ 63 u32 tag0; /* dword 1 */ 64 u32 tag1; /* dword 2 */ 65 u32 flags; /* dword 3 */ 66 }; 67 68 /********* Mailbox door bell *************/ 69 /** 70 * Used for driver communication with the FW. 71 * The software must write this register twice to post any command. First, 72 * it writes the register with hi=1 and the upper bits of the physical address 73 * for the MAILBOX structure. Software must poll the ready bit until this 74 * is acknowledged. Then, sotware writes the register with hi=0 with the lower 75 * bits in the address. It must poll the ready bit until the command is 76 * complete. Upon completion, the MAILBOX will contain a valid completion 77 * queue entry. 78 */ 79 #define MPU_MAILBOX_DB_OFFSET 0x160 80 #define MPU_MAILBOX_DB_RDY_MASK 0x1 /* bit 0 */ 81 #define MPU_MAILBOX_DB_HI_MASK 0x2 /* bit 1 */ 82 83 /********** MPU semphore ******************/ 84 #define MPU_EP_SEMAPHORE_OFFSET 0xac 85 #define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF 86 #define EP_SEMAPHORE_POST_ERR_MASK 0x1 87 #define EP_SEMAPHORE_POST_ERR_SHIFT 31 88 89 /********** MCC door bell ************/ 90 #define DB_MCCQ_OFFSET 0x140 91 #define DB_MCCQ_RING_ID_MASK 0x7FF /* bits 0 - 10 */ 92 /* Number of entries posted */ 93 #define DB_MCCQ_NUM_POSTED_SHIFT 16 /* bits 16 - 29 */ 94 95 /* MPU semphore POST stage values */ 96 #define POST_STAGE_ARMFW_RDY 0xc000 /* FW is done with POST */ 97 98 /** 99 * When the async bit of mcc_compl is set, the last 4 bytes of 100 * mcc_compl is interpreted as follows: 101 */ 102 #define ASYNC_TRAILER_EVENT_CODE_SHIFT 8 /* bits 8 - 15 */ 103 #define ASYNC_TRAILER_EVENT_CODE_MASK 0xFF 104 #define ASYNC_EVENT_CODE_LINK_STATE 0x1 105 struct be_async_event_trailer { 106 u32 code; 107 }; 108 109 enum { 110 ASYNC_EVENT_LINK_DOWN = 0x0, 111 ASYNC_EVENT_LINK_UP = 0x1 112 }; 113 114 /** 115 * When the event code of an async trailer is link-state, the mcc_compl 116 * must be interpreted as follows 117 */ 118 struct be_async_event_link_state { 119 u8 physical_port; 120 u8 port_link_status; 121 u8 port_duplex; 122 u8 port_speed; 123 u8 port_fault; 124 u8 rsvd0[7]; 125 struct be_async_event_trailer trailer; 126 } __packed; 127 128 struct be_mcc_mailbox { 129 struct be_mcc_wrb wrb; 130 struct be_mcc_compl compl; 131 }; 132 133 /* Type of subsystems supported by FW */ 134 #define CMD_SUBSYSTEM_COMMON 0x1 135 #define CMD_SUBSYSTEM_ISCSI 0x2 136 #define CMD_SUBSYSTEM_ETH 0x3 137 #define CMD_SUBSYSTEM_ISCSI_INI 0x6 138 #define CMD_COMMON_TCP_UPLOAD 0x1 139 140 /** 141 * List of common opcodes subsystem CMD_SUBSYSTEM_COMMON 142 * These opcodes are unique for each subsystem defined above 143 */ 144 #define OPCODE_COMMON_CQ_CREATE 12 145 #define OPCODE_COMMON_EQ_CREATE 13 146 #define OPCODE_COMMON_MCC_CREATE 21 147 #define OPCODE_COMMON_GET_CNTL_ATTRIBUTES 32 148 #define OPCODE_COMMON_GET_FW_VERSION 35 149 #define OPCODE_COMMON_MODIFY_EQ_DELAY 41 150 #define OPCODE_COMMON_FIRMWARE_CONFIG 42 151 #define OPCODE_COMMON_MCC_DESTROY 53 152 #define OPCODE_COMMON_CQ_DESTROY 54 153 #define OPCODE_COMMON_EQ_DESTROY 55 154 #define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG 58 155 #define OPCODE_COMMON_FUNCTION_RESET 61 156 157 /** 158 * LIST of opcodes that are common between Initiator and Target 159 * used by CMD_SUBSYSTEM_ISCSI 160 * These opcodes are unique for each subsystem defined above 161 */ 162 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES 2 163 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES 3 164 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG 7 165 #define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN 14 166 #define OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR 17 167 #define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR 18 168 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR 21 169 #define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY 22 170 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23 171 #define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID 24 172 #define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO 25 173 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61 174 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE 64 175 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY 65 176 #define OPCODE_COMMON_ISCSI_WRBQ_CREATE 66 177 #define OPCODE_COMMON_ISCSI_WRBQ_DESTROY 67 178 179 struct be_cmd_req_hdr { 180 u8 opcode; /* dword 0 */ 181 u8 subsystem; /* dword 0 */ 182 u8 port_number; /* dword 0 */ 183 u8 domain; /* dword 0 */ 184 u32 timeout; /* dword 1 */ 185 u32 request_length; /* dword 2 */ 186 u32 rsvd0; /* dword 3 */ 187 }; 188 189 struct be_cmd_resp_hdr { 190 u32 info; /* dword 0 */ 191 u32 status; /* dword 1 */ 192 u32 response_length; /* dword 2 */ 193 u32 actual_resp_len; /* dword 3 */ 194 }; 195 196 struct phys_addr { 197 u32 lo; 198 u32 hi; 199 }; 200 201 /************************** 202 * BE Command definitions * 203 **************************/ 204 205 /** 206 * Pseudo amap definition in which each bit of the actual structure is defined 207 * as a byte - used to calculate offset/shift/mask of each field 208 */ 209 struct amap_eq_context { 210 u8 cidx[13]; /* dword 0 */ 211 u8 rsvd0[3]; /* dword 0 */ 212 u8 epidx[13]; /* dword 0 */ 213 u8 valid; /* dword 0 */ 214 u8 rsvd1; /* dword 0 */ 215 u8 size; /* dword 0 */ 216 u8 pidx[13]; /* dword 1 */ 217 u8 rsvd2[3]; /* dword 1 */ 218 u8 pd[10]; /* dword 1 */ 219 u8 count[3]; /* dword 1 */ 220 u8 solevent; /* dword 1 */ 221 u8 stalled; /* dword 1 */ 222 u8 armed; /* dword 1 */ 223 u8 rsvd3[4]; /* dword 2 */ 224 u8 func[8]; /* dword 2 */ 225 u8 rsvd4; /* dword 2 */ 226 u8 delaymult[10]; /* dword 2 */ 227 u8 rsvd5[2]; /* dword 2 */ 228 u8 phase[2]; /* dword 2 */ 229 u8 nodelay; /* dword 2 */ 230 u8 rsvd6[4]; /* dword 2 */ 231 u8 rsvd7[32]; /* dword 3 */ 232 } __packed; 233 234 struct be_cmd_req_eq_create { 235 struct be_cmd_req_hdr hdr; /* dw[4] */ 236 u16 num_pages; /* sword */ 237 u16 rsvd0; /* sword */ 238 u8 context[sizeof(struct amap_eq_context) / 8]; /* dw[4] */ 239 struct phys_addr pages[8]; 240 } __packed; 241 242 struct be_cmd_resp_eq_create { 243 struct be_cmd_resp_hdr resp_hdr; 244 u16 eq_id; /* sword */ 245 u16 rsvd0; /* sword */ 246 } __packed; 247 248 struct mgmt_chap_format { 249 u32 flags; 250 u8 intr_chap_name[256]; 251 u8 intr_secret[16]; 252 u8 target_chap_name[256]; 253 u8 target_secret[16]; 254 u16 intr_chap_name_length; 255 u16 intr_secret_length; 256 u16 target_chap_name_length; 257 u16 target_secret_length; 258 } __packed; 259 260 struct mgmt_auth_method_format { 261 u8 auth_method_type; 262 u8 padding[3]; 263 struct mgmt_chap_format chap; 264 } __packed; 265 266 struct mgmt_conn_login_options { 267 u8 flags; 268 u8 header_digest; 269 u8 data_digest; 270 u8 rsvd0; 271 u32 max_recv_datasegment_len_ini; 272 u32 max_recv_datasegment_len_tgt; 273 u32 tcp_mss; 274 u32 tcp_window_size; 275 struct mgmt_auth_method_format auth_data; 276 } __packed; 277 278 struct ip_addr_format { 279 u16 size_of_structure; 280 u8 reserved; 281 u8 ip_type; 282 u8 addr[16]; 283 u32 rsvd0; 284 } __packed; 285 286 struct mgmt_conn_info { 287 u32 connection_handle; 288 u32 connection_status; 289 u16 src_port; 290 u16 dest_port; 291 u16 dest_port_redirected; 292 u16 cid; 293 u32 estimated_throughput; 294 struct ip_addr_format src_ipaddr; 295 struct ip_addr_format dest_ipaddr; 296 struct ip_addr_format dest_ipaddr_redirected; 297 struct mgmt_conn_login_options negotiated_login_options; 298 } __packed; 299 300 struct mgmt_session_login_options { 301 u8 flags; 302 u8 error_recovery_level; 303 u16 rsvd0; 304 u32 first_burst_length; 305 u32 max_burst_length; 306 u16 max_connections; 307 u16 max_outstanding_r2t; 308 u16 default_time2wait; 309 u16 default_time2retain; 310 } __packed; 311 312 struct mgmt_session_info { 313 u32 session_handle; 314 u32 status; 315 u8 isid[6]; 316 u16 tsih; 317 u32 session_flags; 318 u16 conn_count; 319 u16 pad; 320 u8 target_name[224]; 321 u8 initiator_iscsiname[224]; 322 struct mgmt_session_login_options negotiated_login_options; 323 struct mgmt_conn_info conn_list[1]; 324 } __packed; 325 326 struct be_cmd_get_session_req { 327 struct be_cmd_req_hdr hdr; 328 u32 session_handle; 329 } __packed; 330 331 struct be_cmd_get_session_resp { 332 struct be_cmd_resp_hdr hdr; 333 struct mgmt_session_info session_info; 334 } __packed; 335 336 struct mac_addr { 337 u16 size_of_structure; 338 u8 addr[ETH_ALEN]; 339 } __packed; 340 341 struct be_cmd_get_boot_target_req { 342 struct be_cmd_req_hdr hdr; 343 } __packed; 344 345 struct be_cmd_get_boot_target_resp { 346 struct be_cmd_resp_hdr hdr; 347 u32 boot_session_count; 348 int boot_session_handle; 349 }; 350 351 struct be_cmd_mac_query_req { 352 struct be_cmd_req_hdr hdr; 353 u8 type; 354 u8 permanent; 355 u16 if_id; 356 } __packed; 357 358 struct be_cmd_get_mac_resp { 359 struct be_cmd_resp_hdr hdr; 360 struct mac_addr mac; 361 }; 362 363 struct be_ip_addr_subnet_format { 364 u16 size_of_structure; 365 u8 ip_type; 366 u8 ipv6_prefix_length; 367 u8 addr[16]; 368 u8 subnet_mask[16]; 369 u32 rsvd0; 370 } __packed; 371 372 struct be_cmd_get_if_info_req { 373 struct be_cmd_req_hdr hdr; 374 u32 interface_hndl; 375 u32 ip_type; 376 } __packed; 377 378 struct be_cmd_get_if_info_resp { 379 struct be_cmd_req_hdr hdr; 380 u32 interface_hndl; 381 u32 vlan_priority; 382 u32 ip_addr_count; 383 u32 dhcp_state; 384 struct be_ip_addr_subnet_format ip_addr; 385 } __packed; 386 387 struct be_ip_addr_record { 388 u32 action; 389 u32 interface_hndl; 390 struct be_ip_addr_subnet_format ip_addr; 391 u32 status; 392 } __packed; 393 394 struct be_ip_addr_record_params { 395 u32 record_entry_count; 396 struct be_ip_addr_record ip_record; 397 } __packed; 398 399 struct be_cmd_set_ip_addr_req { 400 struct be_cmd_req_hdr hdr; 401 struct be_ip_addr_record_params ip_params; 402 } __packed; 403 404 405 struct be_cmd_set_dhcp_req { 406 struct be_cmd_req_hdr hdr; 407 u32 interface_hndl; 408 u32 ip_type; 409 u32 flags; 410 u32 retry_count; 411 } __packed; 412 413 struct be_cmd_rel_dhcp_req { 414 struct be_cmd_req_hdr hdr; 415 u32 interface_hndl; 416 u32 ip_type; 417 } __packed; 418 419 struct be_cmd_set_def_gateway_req { 420 struct be_cmd_req_hdr hdr; 421 u32 action; 422 struct ip_addr_format ip_addr; 423 } __packed; 424 425 struct be_cmd_get_def_gateway_req { 426 struct be_cmd_req_hdr hdr; 427 u32 ip_type; 428 } __packed; 429 430 struct be_cmd_get_def_gateway_resp { 431 struct be_cmd_req_hdr hdr; 432 struct ip_addr_format ip_addr; 433 } __packed; 434 435 /******************** Create CQ ***************************/ 436 /** 437 * Pseudo amap definition in which each bit of the actual structure is defined 438 * as a byte - used to calculate offset/shift/mask of each field 439 */ 440 struct amap_cq_context { 441 u8 cidx[11]; /* dword 0 */ 442 u8 rsvd0; /* dword 0 */ 443 u8 coalescwm[2]; /* dword 0 */ 444 u8 nodelay; /* dword 0 */ 445 u8 epidx[11]; /* dword 0 */ 446 u8 rsvd1; /* dword 0 */ 447 u8 count[2]; /* dword 0 */ 448 u8 valid; /* dword 0 */ 449 u8 solevent; /* dword 0 */ 450 u8 eventable; /* dword 0 */ 451 u8 pidx[11]; /* dword 1 */ 452 u8 rsvd2; /* dword 1 */ 453 u8 pd[10]; /* dword 1 */ 454 u8 eqid[8]; /* dword 1 */ 455 u8 stalled; /* dword 1 */ 456 u8 armed; /* dword 1 */ 457 u8 rsvd3[4]; /* dword 2 */ 458 u8 func[8]; /* dword 2 */ 459 u8 rsvd4[20]; /* dword 2 */ 460 u8 rsvd5[32]; /* dword 3 */ 461 } __packed; 462 463 struct be_cmd_req_cq_create { 464 struct be_cmd_req_hdr hdr; 465 u16 num_pages; 466 u16 rsvd0; 467 u8 context[sizeof(struct amap_cq_context) / 8]; 468 struct phys_addr pages[4]; 469 } __packed; 470 471 struct be_cmd_resp_cq_create { 472 struct be_cmd_resp_hdr hdr; 473 u16 cq_id; 474 u16 rsvd0; 475 } __packed; 476 477 /******************** Create MCCQ ***************************/ 478 /** 479 * Pseudo amap definition in which each bit of the actual structure is defined 480 * as a byte - used to calculate offset/shift/mask of each field 481 */ 482 struct amap_mcc_context { 483 u8 con_index[14]; 484 u8 rsvd0[2]; 485 u8 ring_size[4]; 486 u8 fetch_wrb; 487 u8 fetch_r2t; 488 u8 cq_id[10]; 489 u8 prod_index[14]; 490 u8 fid[8]; 491 u8 pdid[9]; 492 u8 valid; 493 u8 rsvd1[32]; 494 u8 rsvd2[32]; 495 } __packed; 496 497 struct be_cmd_req_mcc_create { 498 struct be_cmd_req_hdr hdr; 499 u16 num_pages; 500 u16 rsvd0; 501 u8 context[sizeof(struct amap_mcc_context) / 8]; 502 struct phys_addr pages[8]; 503 } __packed; 504 505 struct be_cmd_resp_mcc_create { 506 struct be_cmd_resp_hdr hdr; 507 u16 id; 508 u16 rsvd0; 509 } __packed; 510 511 /******************** Q Destroy ***************************/ 512 /* Type of Queue to be destroyed */ 513 enum { 514 QTYPE_EQ = 1, 515 QTYPE_CQ, 516 QTYPE_MCCQ, 517 QTYPE_WRBQ, 518 QTYPE_DPDUQ, 519 QTYPE_SGL 520 }; 521 522 struct be_cmd_req_q_destroy { 523 struct be_cmd_req_hdr hdr; 524 u16 id; 525 u16 bypass_flush; /* valid only for rx q destroy */ 526 } __packed; 527 528 struct macaddr { 529 u8 byte[ETH_ALEN]; 530 }; 531 532 struct be_cmd_req_mcast_mac_config { 533 struct be_cmd_req_hdr hdr; 534 u16 num_mac; 535 u8 promiscuous; 536 u8 interface_id; 537 struct macaddr mac[32]; 538 } __packed; 539 540 static inline void *embedded_payload(struct be_mcc_wrb *wrb) 541 { 542 return wrb->payload.embedded_payload; 543 } 544 545 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb) 546 { 547 return &wrb->payload.sgl[0]; 548 } 549 550 /******************** Modify EQ Delay *******************/ 551 struct be_cmd_req_modify_eq_delay { 552 struct be_cmd_req_hdr hdr; 553 u32 num_eq; 554 struct { 555 u32 eq_id; 556 u32 phase; 557 u32 delay_multiplier; 558 } delay[8]; 559 } __packed; 560 561 /******************** Get MAC ADDR *******************/ 562 563 #define ETH_ALEN 6 564 565 struct be_cmd_get_nic_conf_req { 566 struct be_cmd_req_hdr hdr; 567 u32 nic_port_count; 568 u32 speed; 569 u32 max_speed; 570 u32 link_state; 571 u32 max_frame_size; 572 u16 size_of_structure; 573 u8 mac_address[ETH_ALEN]; 574 u32 rsvd[23]; 575 }; 576 577 struct be_cmd_get_nic_conf_resp { 578 struct be_cmd_resp_hdr hdr; 579 u32 nic_port_count; 580 u32 speed; 581 u32 max_speed; 582 u32 link_state; 583 u32 max_frame_size; 584 u16 size_of_structure; 585 u8 mac_address[6]; 586 u32 rsvd[23]; 587 }; 588 589 #define BEISCSI_ALIAS_LEN 32 590 591 struct be_cmd_hba_name { 592 struct be_cmd_req_hdr hdr; 593 u16 flags; 594 u16 rsvd0; 595 u8 initiator_name[ISCSI_NAME_LEN]; 596 u8 initiator_alias[BEISCSI_ALIAS_LEN]; 597 } __packed; 598 599 struct be_cmd_ntwk_link_status_req { 600 struct be_cmd_req_hdr hdr; 601 u32 rsvd0; 602 } __packed; 603 604 /*** Port Speed Values ***/ 605 #define BE2ISCSI_LINK_SPEED_ZERO 0x00 606 #define BE2ISCSI_LINK_SPEED_10MBPS 0x01 607 #define BE2ISCSI_LINK_SPEED_100MBPS 0x02 608 #define BE2ISCSI_LINK_SPEED_1GBPS 0x03 609 #define BE2ISCSI_LINK_SPEED_10GBPS 0x04 610 struct be_cmd_ntwk_link_status_resp { 611 struct be_cmd_resp_hdr hdr; 612 u8 phys_port; 613 u8 mac_duplex; 614 u8 mac_speed; 615 u8 mac_fault; 616 u8 mgmt_mac_duplex; 617 u8 mgmt_mac_speed; 618 u16 qos_link_speed; 619 u32 logical_link_speed; 620 } __packed; 621 622 int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl, 623 struct be_queue_info *eq, int eq_delay); 624 625 int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl, 626 struct be_queue_info *cq, struct be_queue_info *eq, 627 bool sol_evts, bool no_delay, 628 int num_cqe_dma_coalesce); 629 630 int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q, 631 int type); 632 int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba, 633 struct be_queue_info *mccq, 634 struct be_queue_info *cq); 635 636 int be_poll_mcc(struct be_ctrl_info *ctrl); 637 int mgmt_check_supported_fw(struct be_ctrl_info *ctrl, 638 struct beiscsi_hba *phba); 639 unsigned int be_cmd_get_initname(struct beiscsi_hba *phba); 640 unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba); 641 642 void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag); 643 /*ISCSI Functuions */ 644 int be_cmd_fw_initialize(struct be_ctrl_info *ctrl); 645 646 struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem); 647 struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba); 648 int be_mcc_notify_wait(struct beiscsi_hba *phba); 649 void be_mcc_notify(struct beiscsi_hba *phba); 650 unsigned int alloc_mcc_tag(struct beiscsi_hba *phba); 651 void beiscsi_async_link_state_process(struct beiscsi_hba *phba, 652 struct be_async_event_link_state *evt); 653 int be_mcc_compl_process_isr(struct be_ctrl_info *ctrl, 654 struct be_mcc_compl *compl); 655 656 int be_mbox_notify(struct be_ctrl_info *ctrl); 657 658 int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl, 659 struct be_queue_info *cq, 660 struct be_queue_info *dq, int length, 661 int entry_size); 662 663 int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl, 664 struct be_dma_mem *q_mem, u32 page_offset, 665 u32 num_pages); 666 667 int beiscsi_cmd_reset_function(struct beiscsi_hba *phba); 668 669 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem, 670 struct be_queue_info *wrbq); 671 672 bool is_link_state_evt(u32 trailer); 673 674 struct be_default_pdu_context { 675 u32 dw[4]; 676 } __packed; 677 678 struct amap_be_default_pdu_context { 679 u8 dbuf_cindex[13]; /* dword 0 */ 680 u8 rsvd0[3]; /* dword 0 */ 681 u8 ring_size[4]; /* dword 0 */ 682 u8 ring_state[4]; /* dword 0 */ 683 u8 rsvd1[8]; /* dword 0 */ 684 u8 dbuf_pindex[13]; /* dword 1 */ 685 u8 rsvd2; /* dword 1 */ 686 u8 pci_func_id[8]; /* dword 1 */ 687 u8 rx_pdid[9]; /* dword 1 */ 688 u8 rx_pdid_valid; /* dword 1 */ 689 u8 default_buffer_size[16]; /* dword 2 */ 690 u8 cq_id_recv[10]; /* dword 2 */ 691 u8 rx_pdid_not_valid; /* dword 2 */ 692 u8 rsvd3[5]; /* dword 2 */ 693 u8 rsvd4[32]; /* dword 3 */ 694 } __packed; 695 696 struct be_defq_create_req { 697 struct be_cmd_req_hdr hdr; 698 u16 num_pages; 699 u8 ulp_num; 700 u8 rsvd0; 701 struct be_default_pdu_context context; 702 struct phys_addr pages[8]; 703 } __packed; 704 705 struct be_defq_create_resp { 706 struct be_cmd_req_hdr hdr; 707 u16 id; 708 u16 rsvd0; 709 } __packed; 710 711 struct be_post_sgl_pages_req { 712 struct be_cmd_req_hdr hdr; 713 u16 num_pages; 714 u16 page_offset; 715 u32 rsvd0; 716 struct phys_addr pages[26]; 717 u32 rsvd1; 718 } __packed; 719 720 struct be_wrbq_create_req { 721 struct be_cmd_req_hdr hdr; 722 u16 num_pages; 723 u8 ulp_num; 724 u8 rsvd0; 725 struct phys_addr pages[8]; 726 } __packed; 727 728 struct be_wrbq_create_resp { 729 struct be_cmd_resp_hdr resp_hdr; 730 u16 cid; 731 u16 rsvd0; 732 } __packed; 733 734 #define SOL_CID_MASK 0x0000FFC0 735 #define SOL_CODE_MASK 0x0000003F 736 #define SOL_WRB_INDEX_MASK 0x00FF0000 737 #define SOL_CMD_WND_MASK 0xFF000000 738 #define SOL_RES_CNT_MASK 0x7FFFFFFF 739 #define SOL_EXP_CMD_SN_MASK 0xFFFFFFFF 740 #define SOL_HW_STS_MASK 0x000000FF 741 #define SOL_STS_MASK 0x0000FF00 742 #define SOL_RESP_MASK 0x00FF0000 743 #define SOL_FLAGS_MASK 0x7F000000 744 #define SOL_S_MASK 0x80000000 745 746 struct sol_cqe { 747 u32 dw[4]; 748 }; 749 750 struct amap_sol_cqe { 751 u8 hw_sts[8]; /* dword 0 */ 752 u8 i_sts[8]; /* dword 0 */ 753 u8 i_resp[8]; /* dword 0 */ 754 u8 i_flags[7]; /* dword 0 */ 755 u8 s; /* dword 0 */ 756 u8 i_exp_cmd_sn[32]; /* dword 1 */ 757 u8 code[6]; /* dword 2 */ 758 u8 cid[10]; /* dword 2 */ 759 u8 wrb_index[8]; /* dword 2 */ 760 u8 i_cmd_wnd[8]; /* dword 2 */ 761 u8 i_res_cnt[31]; /* dword 3 */ 762 u8 valid; /* dword 3 */ 763 } __packed; 764 765 #define SOL_ICD_INDEX_MASK 0x0003FFC0 766 struct amap_sol_cqe_ring { 767 u8 hw_sts[8]; /* dword 0 */ 768 u8 i_sts[8]; /* dword 0 */ 769 u8 i_resp[8]; /* dword 0 */ 770 u8 i_flags[7]; /* dword 0 */ 771 u8 s; /* dword 0 */ 772 u8 i_exp_cmd_sn[32]; /* dword 1 */ 773 u8 code[6]; /* dword 2 */ 774 u8 icd_index[12]; /* dword 2 */ 775 u8 rsvd[6]; /* dword 2 */ 776 u8 i_cmd_wnd[8]; /* dword 2 */ 777 u8 i_res_cnt[31]; /* dword 3 */ 778 u8 valid; /* dword 3 */ 779 } __packed; 780 781 782 783 /** 784 * Post WRB Queue Doorbell Register used by the host Storage 785 * stack to notify the 786 * controller of a posted Work Request Block 787 */ 788 #define DB_WRB_POST_CID_MASK 0x3FF /* bits 0 - 9 */ 789 #define DB_DEF_PDU_WRB_INDEX_MASK 0xFF /* bits 0 - 9 */ 790 791 #define DB_DEF_PDU_WRB_INDEX_SHIFT 16 792 #define DB_DEF_PDU_NUM_POSTED_SHIFT 24 793 794 struct fragnum_bits_for_sgl_cra_in { 795 struct be_cmd_req_hdr hdr; 796 u32 num_bits; 797 } __packed; 798 799 struct iscsi_cleanup_req { 800 struct be_cmd_req_hdr hdr; 801 u16 chute; 802 u8 hdr_ring_id; 803 u8 data_ring_id; 804 805 } __packed; 806 807 struct eq_delay { 808 u32 eq_id; 809 u32 phase; 810 u32 delay_multiplier; 811 } __packed; 812 813 struct be_eq_delay_params_in { 814 struct be_cmd_req_hdr hdr; 815 u32 num_eq; 816 struct eq_delay delay[8]; 817 } __packed; 818 819 struct tcp_connect_and_offload_in { 820 struct be_cmd_req_hdr hdr; 821 struct ip_addr_format ip_address; 822 u16 tcp_port; 823 u16 cid; 824 u16 cq_id; 825 u16 defq_id; 826 struct phys_addr dataout_template_pa; 827 u16 hdr_ring_id; 828 u16 data_ring_id; 829 u8 do_offload; 830 u8 rsvd0[3]; 831 } __packed; 832 833 struct tcp_connect_and_offload_out { 834 struct be_cmd_resp_hdr hdr; 835 u32 connection_handle; 836 u16 cid; 837 u16 rsvd0; 838 839 } __packed; 840 841 struct be_mcc_wrb_context { 842 struct MCC_WRB *wrb; 843 int *users_final_status; 844 } __packed; 845 846 #define DB_DEF_PDU_RING_ID_MASK 0x3FF /* bits 0 - 9 */ 847 #define DB_DEF_PDU_CQPROC_MASK 0x3FFF /* bits 0 - 9 */ 848 #define DB_DEF_PDU_REARM_SHIFT 14 849 #define DB_DEF_PDU_EVENT_SHIFT 15 850 #define DB_DEF_PDU_CQPROC_SHIFT 16 851 852 struct dmsg_cqe { 853 u32 dw[4]; 854 } __packed; 855 856 struct tcp_upload_params_in { 857 struct be_cmd_req_hdr hdr; 858 u16 id; 859 u16 upload_type; 860 u32 reset_seq; 861 } __packed; 862 863 struct tcp_upload_params_out { 864 u32 dw[32]; 865 } __packed; 866 867 union tcp_upload_params { 868 struct tcp_upload_params_in request; 869 struct tcp_upload_params_out response; 870 } __packed; 871 872 struct be_ulp_fw_cfg { 873 u32 ulp_mode; 874 u32 etx_base; 875 u32 etx_count; 876 u32 sq_base; 877 u32 sq_count; 878 u32 rq_base; 879 u32 rq_count; 880 u32 dq_base; 881 u32 dq_count; 882 u32 lro_base; 883 u32 lro_count; 884 u32 icd_base; 885 u32 icd_count; 886 }; 887 888 struct be_fw_cfg { 889 struct be_cmd_req_hdr hdr; 890 u32 be_config_number; 891 u32 asic_revision; 892 u32 phys_port; 893 u32 function_mode; 894 struct be_ulp_fw_cfg ulp[2]; 895 u32 function_caps; 896 } __packed; 897 898 struct be_cmd_get_all_if_id_req { 899 struct be_cmd_req_hdr hdr; 900 u32 if_count; 901 u32 if_hndl_list[1]; 902 } __packed; 903 904 #define ISCSI_OPCODE_SCSI_DATA_OUT 5 905 #define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5 906 #define OPCODE_COMMON_MODIFY_EQ_DELAY 41 907 #define OPCODE_COMMON_ISCSI_CLEANUP 59 908 #define OPCODE_COMMON_TCP_UPLOAD 56 909 #define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70 910 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1 911 #define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME 6 912 #define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME 7 913 #define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION 14 914 #define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41 915 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42 916 #define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET 52 917 #define OPCODE_COMMON_WRITE_FLASH 96 918 #define OPCODE_COMMON_READ_FLASH 97 919 920 /* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */ 921 #define CMD_ISCSI_COMMAND_INVALIDATE 1 922 #define CMD_ISCSI_CONNECTION_INVALIDATE 0x8001 923 #define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST 0x8002 924 925 #define INI_WR_CMD 1 /* Initiator write command */ 926 #define INI_TMF_CMD 2 /* Initiator TMF command */ 927 #define INI_NOPOUT_CMD 3 /* Initiator; Send a NOP-OUT */ 928 #define INI_RD_CMD 5 /* Initiator requesting to send 929 * a read command 930 */ 931 #define TGT_CTX_UPDT_CMD 7 /* Target context update */ 932 #define TGT_STS_CMD 8 /* Target R2T and other BHS 933 * where only the status number 934 * need to be updated 935 */ 936 #define TGT_DATAIN_CMD 9 /* Target Data-Ins in response 937 * to read command 938 */ 939 #define TGT_SOS_PDU 10 /* Target:standalone status 940 * response 941 */ 942 #define TGT_DM_CMD 11 /* Indicates that the bhs 943 * preparedby 944 * driver should not be touched 945 */ 946 /* --- CMD_CHUTE_TYPE --- */ 947 #define CMD_CONNECTION_CHUTE_0 1 948 #define CMD_CONNECTION_CHUTE_1 2 949 #define CMD_CONNECTION_CHUTE_2 3 950 951 #define EQ_MAJOR_CODE_COMPLETION 0 952 953 #define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0 954 #define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1 955 956 /* --- CONNECTION_UPLOAD_PARAMS --- */ 957 /* These parameters are used to define the type of upload desired. */ 958 #define CONNECTION_UPLOAD_GRACEFUL 1 /* Graceful upload */ 959 #define CONNECTION_UPLOAD_ABORT_RESET 2 /* Abortive upload with 960 * reset 961 */ 962 #define CONNECTION_UPLOAD_ABORT 3 /* Abortive upload without 963 * reset 964 */ 965 #define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4 /* Abortive upload with reset, 966 * sequence number by driver */ 967 968 /* Returns byte size of given field with a structure. */ 969 970 /* Returns the number of items in the field array. */ 971 #define BE_NUMBER_OF_FIELD(_type_, _field_) \ 972 (FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\ 973 974 /** 975 * Different types of iSCSI completions to host driver for both initiator 976 * and taget mode 977 * of operation. 978 */ 979 #define SOL_CMD_COMPLETE 1 /* Solicited command completed 980 * normally 981 */ 982 #define SOL_CMD_KILLED_DATA_DIGEST_ERR 2 /* Solicited command got 983 * invalidated internally due 984 * to Data Digest error 985 */ 986 #define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3 /* Connection got invalidated 987 * internally 988 * due to a received PDU 989 * size > DSL 990 */ 991 #define CXN_KILLED_BURST_LEN_MISMATCH 4 /* Connection got invalidated 992 * internally due ti received 993 * PDU sequence size > 994 * FBL/MBL. 995 */ 996 #define CXN_KILLED_AHS_RCVD 5 /* Connection got invalidated 997 * internally due to a received 998 * PDU Hdr that has 999 * AHS */ 1000 #define CXN_KILLED_HDR_DIGEST_ERR 6 /* Connection got invalidated 1001 * internally due to Hdr Digest 1002 * error 1003 */ 1004 #define CXN_KILLED_UNKNOWN_HDR 7 /* Connection got invalidated 1005 * internally 1006 * due to a bad opcode in the 1007 * pdu hdr 1008 */ 1009 #define CXN_KILLED_STALE_ITT_TTT_RCVD 8 /* Connection got invalidated 1010 * internally due to a received 1011 * ITT/TTT that does not belong 1012 * to this Connection 1013 */ 1014 #define CXN_KILLED_INVALID_ITT_TTT_RCVD 9 /* Connection got invalidated 1015 * internally due to received 1016 * ITT/TTT value > Max 1017 * Supported ITTs/TTTs 1018 */ 1019 #define CXN_KILLED_RST_RCVD 10 /* Connection got invalidated 1020 * internally due to an 1021 * incoming TCP RST 1022 */ 1023 #define CXN_KILLED_TIMED_OUT 11 /* Connection got invalidated 1024 * internally due to timeout on 1025 * tcp segment 12 retransmit 1026 * attempts failed 1027 */ 1028 #define CXN_KILLED_RST_SENT 12 /* Connection got invalidated 1029 * internally due to TCP RST 1030 * sent by the Tx side 1031 */ 1032 #define CXN_KILLED_FIN_RCVD 13 /* Connection got invalidated 1033 * internally due to an 1034 * incoming TCP FIN. 1035 */ 1036 #define CXN_KILLED_BAD_UNSOL_PDU_RCVD 14 /* Connection got invalidated 1037 * internally due to bad 1038 * unsolicited PDU Unsolicited 1039 * PDUs are PDUs with 1040 * ITT=0xffffffff 1041 */ 1042 #define CXN_KILLED_BAD_WRB_INDEX_ERROR 15 /* Connection got invalidated 1043 * internally due to bad WRB 1044 * index. 1045 */ 1046 #define CXN_KILLED_OVER_RUN_RESIDUAL 16 /* Command got invalidated 1047 * internally due to received 1048 * command has residual 1049 * over run bytes. 1050 */ 1051 #define CXN_KILLED_UNDER_RUN_RESIDUAL 17 /* Command got invalidated 1052 * internally due to received 1053 * command has residual under 1054 * run bytes. 1055 */ 1056 #define CMD_KILLED_INVALID_STATSN_RCVD 18 /* Command got invalidated 1057 * internally due to a received 1058 * PDU has an invalid StatusSN 1059 */ 1060 #define CMD_KILLED_INVALID_R2T_RCVD 19 /* Command got invalidated 1061 * internally due to a received 1062 * an R2T with some invalid 1063 * fields in it 1064 */ 1065 #define CMD_CXN_KILLED_LUN_INVALID 20 /* Command got invalidated 1066 * internally due to received 1067 * PDU has an invalid LUN. 1068 */ 1069 #define CMD_CXN_KILLED_ICD_INVALID 21 /* Command got invalidated 1070 * internally due to the 1071 * corresponding ICD not in a 1072 * valid state 1073 */ 1074 #define CMD_CXN_KILLED_ITT_INVALID 22 /* Command got invalidated due 1075 * to received PDU has an 1076 * invalid ITT. 1077 */ 1078 #define CMD_CXN_KILLED_SEQ_OUTOFORDER 23 /* Command got invalidated due 1079 * to received sequence buffer 1080 * offset is out of order. 1081 */ 1082 #define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24 /* Command got invalidated 1083 * internally due to a 1084 * received PDU has an invalid 1085 * DataSN 1086 */ 1087 #define CXN_INVALIDATE_NOTIFY 25 /* Connection invalidation 1088 * completion notify. 1089 */ 1090 #define CXN_INVALIDATE_INDEX_NOTIFY 26 /* Connection invalidation 1091 * completion 1092 * with data PDU index. 1093 */ 1094 #define CMD_INVALIDATED_NOTIFY 27 /* Command invalidation 1095 * completionnotifify. 1096 */ 1097 #define UNSOL_HDR_NOTIFY 28 /* Unsolicited header notify.*/ 1098 #define UNSOL_DATA_NOTIFY 29 /* Unsolicited data notify.*/ 1099 #define UNSOL_DATA_DIGEST_ERROR_NOTIFY 30 /* Unsolicited data digest 1100 * error notify. 1101 */ 1102 #define DRIVERMSG_NOTIFY 31 /* TCP acknowledge based 1103 * notification. 1104 */ 1105 #define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated 1106 * internally due to command 1107 * and data are not on same 1108 * connection. 1109 */ 1110 #define SOL_CMD_KILLED_DIF_ERR 33 /* Solicited command got 1111 * invalidated internally due 1112 * to DIF error 1113 */ 1114 #define CXN_KILLED_SYN_RCVD 34 /* Connection got invalidated 1115 * internally due to incoming 1116 * TCP SYN 1117 */ 1118 #define CXN_KILLED_IMM_DATA_RCVD 35 /* Connection got invalidated 1119 * internally due to an 1120 * incoming Unsolicited PDU 1121 * that has immediate data on 1122 * the cxn 1123 */ 1124 1125 int beiscsi_pci_soft_reset(struct beiscsi_hba *phba); 1126 int be_chk_reset_complete(struct beiscsi_hba *phba); 1127 1128 void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len, 1129 bool embedded, u8 sge_cnt); 1130 1131 void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr, 1132 u8 subsystem, u8 opcode, int cmd_len); 1133 1134 #endif /* !BEISCSI_CMDS_H */ 1135