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 BladeEngine's MPU. 27 */ 28struct 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 */ 36struct 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 61struct 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 105struct be_async_event_trailer { 106 u32 code; 107}; 108 109enum { 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 */ 118struct 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 128struct 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_CONFIGURE_STATELESS_IP_ADDR 17 167#define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR 21 168#define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY 22 169#define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23 170#define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID 24 171#define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO 25 172#define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61 173#define OPCODE_COMMON_ISCSI_DEFQ_CREATE 64 174#define OPCODE_COMMON_ISCSI_DEFQ_DESTROY 65 175#define OPCODE_COMMON_ISCSI_WRBQ_CREATE 66 176#define OPCODE_COMMON_ISCSI_WRBQ_DESTROY 67 177 178struct be_cmd_req_hdr { 179 u8 opcode; /* dword 0 */ 180 u8 subsystem; /* dword 0 */ 181 u8 port_number; /* dword 0 */ 182 u8 domain; /* dword 0 */ 183 u32 timeout; /* dword 1 */ 184 u32 request_length; /* dword 2 */ 185 u32 rsvd0; /* dword 3 */ 186}; 187 188struct be_cmd_resp_hdr { 189 u32 info; /* dword 0 */ 190 u32 status; /* dword 1 */ 191 u32 response_length; /* dword 2 */ 192 u32 actual_resp_len; /* dword 3 */ 193}; 194 195struct phys_addr { 196 u32 lo; 197 u32 hi; 198}; 199 200/************************** 201 * BE Command definitions * 202 **************************/ 203 204/** 205 * Pseudo amap definition in which each bit of the actual structure is defined 206 * as a byte - used to calculate offset/shift/mask of each field 207 */ 208struct amap_eq_context { 209 u8 cidx[13]; /* dword 0 */ 210 u8 rsvd0[3]; /* dword 0 */ 211 u8 epidx[13]; /* dword 0 */ 212 u8 valid; /* dword 0 */ 213 u8 rsvd1; /* dword 0 */ 214 u8 size; /* dword 0 */ 215 u8 pidx[13]; /* dword 1 */ 216 u8 rsvd2[3]; /* dword 1 */ 217 u8 pd[10]; /* dword 1 */ 218 u8 count[3]; /* dword 1 */ 219 u8 solevent; /* dword 1 */ 220 u8 stalled; /* dword 1 */ 221 u8 armed; /* dword 1 */ 222 u8 rsvd3[4]; /* dword 2 */ 223 u8 func[8]; /* dword 2 */ 224 u8 rsvd4; /* dword 2 */ 225 u8 delaymult[10]; /* dword 2 */ 226 u8 rsvd5[2]; /* dword 2 */ 227 u8 phase[2]; /* dword 2 */ 228 u8 nodelay; /* dword 2 */ 229 u8 rsvd6[4]; /* dword 2 */ 230 u8 rsvd7[32]; /* dword 3 */ 231} __packed; 232 233struct be_cmd_req_eq_create { 234 struct be_cmd_req_hdr hdr; /* dw[4] */ 235 u16 num_pages; /* sword */ 236 u16 rsvd0; /* sword */ 237 u8 context[sizeof(struct amap_eq_context) / 8]; /* dw[4] */ 238 struct phys_addr pages[8]; 239} __packed; 240 241struct be_cmd_resp_eq_create { 242 struct be_cmd_resp_hdr resp_hdr; 243 u16 eq_id; /* sword */ 244 u16 rsvd0; /* sword */ 245} __packed; 246 247struct mgmt_chap_format { 248 u32 flags; 249 u8 intr_chap_name[256]; 250 u8 intr_secret[16]; 251 u8 target_chap_name[256]; 252 u8 target_secret[16]; 253 u16 intr_chap_name_length; 254 u16 intr_secret_length; 255 u16 target_chap_name_length; 256 u16 target_secret_length; 257} __packed; 258 259struct mgmt_auth_method_format { 260 u8 auth_method_type; 261 u8 padding[3]; 262 struct mgmt_chap_format chap; 263} __packed; 264 265struct mgmt_conn_login_options { 266 u8 flags; 267 u8 header_digest; 268 u8 data_digest; 269 u8 rsvd0; 270 u32 max_recv_datasegment_len_ini; 271 u32 max_recv_datasegment_len_tgt; 272 u32 tcp_mss; 273 u32 tcp_window_size; 274 struct mgmt_auth_method_format auth_data; 275} __packed; 276 277struct ip_address_format { 278 u16 size_of_structure; 279 u8 reserved; 280 u8 ip_type; 281 u8 ip_address[16]; 282 u32 rsvd0; 283} __packed; 284 285struct mgmt_conn_info { 286 u32 connection_handle; 287 u32 connection_status; 288 u16 src_port; 289 u16 dest_port; 290 u16 dest_port_redirected; 291 u16 cid; 292 u32 estimated_throughput; 293 struct ip_address_format src_ipaddr; 294 struct ip_address_format dest_ipaddr; 295 struct ip_address_format dest_ipaddr_redirected; 296 struct mgmt_conn_login_options negotiated_login_options; 297} __packed; 298 299struct mgmt_session_login_options { 300 u8 flags; 301 u8 error_recovery_level; 302 u16 rsvd0; 303 u32 first_burst_length; 304 u32 max_burst_length; 305 u16 max_connections; 306 u16 max_outstanding_r2t; 307 u16 default_time2wait; 308 u16 default_time2retain; 309} __packed; 310 311struct mgmt_session_info { 312 u32 session_handle; 313 u32 status; 314 u8 isid[6]; 315 u16 tsih; 316 u32 session_flags; 317 u16 conn_count; 318 u16 pad; 319 u8 target_name[224]; 320 u8 initiator_iscsiname[224]; 321 struct mgmt_session_login_options negotiated_login_options; 322 struct mgmt_conn_info conn_list[1]; 323} __packed; 324 325struct be_cmd_req_get_session { 326 struct be_cmd_req_hdr hdr; 327 u32 session_handle; 328} __packed; 329 330struct be_cmd_resp_get_session { 331 struct be_cmd_resp_hdr hdr; 332 struct mgmt_session_info session_info; 333} __packed; 334 335struct mac_addr { 336 u16 size_of_struct; 337 u8 addr[ETH_ALEN]; 338} __packed; 339 340struct be_cmd_req_get_boot_target { 341 struct be_cmd_req_hdr hdr; 342} __packed; 343 344struct be_cmd_resp_get_boot_target { 345 struct be_cmd_resp_hdr hdr; 346 u32 boot_session_count; 347 int boot_session_handle; 348}; 349 350struct be_cmd_req_mac_query { 351 struct be_cmd_req_hdr hdr; 352 u8 type; 353 u8 permanent; 354 u16 if_id; 355} __packed; 356 357struct be_cmd_resp_mac_query { 358 struct be_cmd_resp_hdr hdr; 359 struct mac_addr mac; 360}; 361 362/******************** Create CQ ***************************/ 363/** 364 * Pseudo amap definition in which each bit of the actual structure is defined 365 * as a byte - used to calculate offset/shift/mask of each field 366 */ 367struct amap_cq_context { 368 u8 cidx[11]; /* dword 0 */ 369 u8 rsvd0; /* dword 0 */ 370 u8 coalescwm[2]; /* dword 0 */ 371 u8 nodelay; /* dword 0 */ 372 u8 epidx[11]; /* dword 0 */ 373 u8 rsvd1; /* dword 0 */ 374 u8 count[2]; /* dword 0 */ 375 u8 valid; /* dword 0 */ 376 u8 solevent; /* dword 0 */ 377 u8 eventable; /* dword 0 */ 378 u8 pidx[11]; /* dword 1 */ 379 u8 rsvd2; /* dword 1 */ 380 u8 pd[10]; /* dword 1 */ 381 u8 eqid[8]; /* dword 1 */ 382 u8 stalled; /* dword 1 */ 383 u8 armed; /* dword 1 */ 384 u8 rsvd3[4]; /* dword 2 */ 385 u8 func[8]; /* dword 2 */ 386 u8 rsvd4[20]; /* dword 2 */ 387 u8 rsvd5[32]; /* dword 3 */ 388} __packed; 389 390struct be_cmd_req_cq_create { 391 struct be_cmd_req_hdr hdr; 392 u16 num_pages; 393 u16 rsvd0; 394 u8 context[sizeof(struct amap_cq_context) / 8]; 395 struct phys_addr pages[4]; 396} __packed; 397 398struct be_cmd_resp_cq_create { 399 struct be_cmd_resp_hdr hdr; 400 u16 cq_id; 401 u16 rsvd0; 402} __packed; 403 404/******************** Create MCCQ ***************************/ 405/** 406 * Pseudo amap definition in which each bit of the actual structure is defined 407 * as a byte - used to calculate offset/shift/mask of each field 408 */ 409struct amap_mcc_context { 410 u8 con_index[14]; 411 u8 rsvd0[2]; 412 u8 ring_size[4]; 413 u8 fetch_wrb; 414 u8 fetch_r2t; 415 u8 cq_id[10]; 416 u8 prod_index[14]; 417 u8 fid[8]; 418 u8 pdid[9]; 419 u8 valid; 420 u8 rsvd1[32]; 421 u8 rsvd2[32]; 422} __packed; 423 424struct be_cmd_req_mcc_create { 425 struct be_cmd_req_hdr hdr; 426 u16 num_pages; 427 u16 rsvd0; 428 u8 context[sizeof(struct amap_mcc_context) / 8]; 429 struct phys_addr pages[8]; 430} __packed; 431 432struct be_cmd_resp_mcc_create { 433 struct be_cmd_resp_hdr hdr; 434 u16 id; 435 u16 rsvd0; 436} __packed; 437 438/******************** Q Destroy ***************************/ 439/* Type of Queue to be destroyed */ 440enum { 441 QTYPE_EQ = 1, 442 QTYPE_CQ, 443 QTYPE_MCCQ, 444 QTYPE_WRBQ, 445 QTYPE_DPDUQ, 446 QTYPE_SGL 447}; 448 449struct be_cmd_req_q_destroy { 450 struct be_cmd_req_hdr hdr; 451 u16 id; 452 u16 bypass_flush; /* valid only for rx q destroy */ 453} __packed; 454 455struct macaddr { 456 u8 byte[ETH_ALEN]; 457}; 458 459struct be_cmd_req_mcast_mac_config { 460 struct be_cmd_req_hdr hdr; 461 u16 num_mac; 462 u8 promiscuous; 463 u8 interface_id; 464 struct macaddr mac[32]; 465} __packed; 466 467static inline void *embedded_payload(struct be_mcc_wrb *wrb) 468{ 469 return wrb->payload.embedded_payload; 470} 471 472static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb) 473{ 474 return &wrb->payload.sgl[0]; 475} 476 477/******************** Modify EQ Delay *******************/ 478struct be_cmd_req_modify_eq_delay { 479 struct be_cmd_req_hdr hdr; 480 u32 num_eq; 481 struct { 482 u32 eq_id; 483 u32 phase; 484 u32 delay_multiplier; 485 } delay[8]; 486} __packed; 487 488/******************** Get MAC ADDR *******************/ 489 490#define ETH_ALEN 6 491 492struct be_cmd_req_get_mac_addr { 493 struct be_cmd_req_hdr hdr; 494 u32 nic_port_count; 495 u32 speed; 496 u32 max_speed; 497 u32 link_state; 498 u32 max_frame_size; 499 u16 size_of_structure; 500 u8 mac_address[ETH_ALEN]; 501 u32 rsvd[23]; 502}; 503 504struct be_cmd_resp_get_mac_addr { 505 struct be_cmd_resp_hdr hdr; 506 u32 nic_port_count; 507 u32 speed; 508 u32 max_speed; 509 u32 link_state; 510 u32 max_frame_size; 511 u16 size_of_structure; 512 u8 mac_address[6]; 513 u32 rsvd[23]; 514}; 515 516int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl, 517 struct be_queue_info *eq, int eq_delay); 518 519int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl, 520 struct be_queue_info *cq, struct be_queue_info *eq, 521 bool sol_evts, bool no_delay, 522 int num_cqe_dma_coalesce); 523 524int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q, 525 int type); 526int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba, 527 struct be_queue_info *mccq, 528 struct be_queue_info *cq); 529 530int be_poll_mcc(struct be_ctrl_info *ctrl); 531int mgmt_check_supported_fw(struct be_ctrl_info *ctrl, 532 struct beiscsi_hba *phba); 533unsigned int be_cmd_get_mac_addr(struct beiscsi_hba *phba); 534unsigned int beiscsi_get_boot_target(struct beiscsi_hba *phba); 535unsigned int beiscsi_get_session_info(struct beiscsi_hba *phba, 536 u32 boot_session_handle, 537 struct be_dma_mem *nonemb_cmd); 538 539void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag); 540/*ISCSI Functuions */ 541int be_cmd_fw_initialize(struct be_ctrl_info *ctrl); 542 543struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem); 544struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba); 545int be_mcc_notify_wait(struct beiscsi_hba *phba); 546void be_mcc_notify(struct beiscsi_hba *phba); 547unsigned int alloc_mcc_tag(struct beiscsi_hba *phba); 548void beiscsi_async_link_state_process(struct beiscsi_hba *phba, 549 struct be_async_event_link_state *evt); 550int be_mcc_compl_process_isr(struct be_ctrl_info *ctrl, 551 struct be_mcc_compl *compl); 552 553int be_mbox_notify(struct be_ctrl_info *ctrl); 554 555int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl, 556 struct be_queue_info *cq, 557 struct be_queue_info *dq, int length, 558 int entry_size); 559 560int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl, 561 struct be_dma_mem *q_mem, u32 page_offset, 562 u32 num_pages); 563 564int beiscsi_cmd_reset_function(struct beiscsi_hba *phba); 565 566int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem, 567 struct be_queue_info *wrbq); 568 569bool is_link_state_evt(u32 trailer); 570 571struct be_default_pdu_context { 572 u32 dw[4]; 573} __packed; 574 575struct amap_be_default_pdu_context { 576 u8 dbuf_cindex[13]; /* dword 0 */ 577 u8 rsvd0[3]; /* dword 0 */ 578 u8 ring_size[4]; /* dword 0 */ 579 u8 ring_state[4]; /* dword 0 */ 580 u8 rsvd1[8]; /* dword 0 */ 581 u8 dbuf_pindex[13]; /* dword 1 */ 582 u8 rsvd2; /* dword 1 */ 583 u8 pci_func_id[8]; /* dword 1 */ 584 u8 rx_pdid[9]; /* dword 1 */ 585 u8 rx_pdid_valid; /* dword 1 */ 586 u8 default_buffer_size[16]; /* dword 2 */ 587 u8 cq_id_recv[10]; /* dword 2 */ 588 u8 rx_pdid_not_valid; /* dword 2 */ 589 u8 rsvd3[5]; /* dword 2 */ 590 u8 rsvd4[32]; /* dword 3 */ 591} __packed; 592 593struct be_defq_create_req { 594 struct be_cmd_req_hdr hdr; 595 u16 num_pages; 596 u8 ulp_num; 597 u8 rsvd0; 598 struct be_default_pdu_context context; 599 struct phys_addr pages[8]; 600} __packed; 601 602struct be_defq_create_resp { 603 struct be_cmd_req_hdr hdr; 604 u16 id; 605 u16 rsvd0; 606} __packed; 607 608struct be_post_sgl_pages_req { 609 struct be_cmd_req_hdr hdr; 610 u16 num_pages; 611 u16 page_offset; 612 u32 rsvd0; 613 struct phys_addr pages[26]; 614 u32 rsvd1; 615} __packed; 616 617struct be_wrbq_create_req { 618 struct be_cmd_req_hdr hdr; 619 u16 num_pages; 620 u8 ulp_num; 621 u8 rsvd0; 622 struct phys_addr pages[8]; 623} __packed; 624 625struct be_wrbq_create_resp { 626 struct be_cmd_resp_hdr resp_hdr; 627 u16 cid; 628 u16 rsvd0; 629} __packed; 630 631#define SOL_CID_MASK 0x0000FFC0 632#define SOL_CODE_MASK 0x0000003F 633#define SOL_WRB_INDEX_MASK 0x00FF0000 634#define SOL_CMD_WND_MASK 0xFF000000 635#define SOL_RES_CNT_MASK 0x7FFFFFFF 636#define SOL_EXP_CMD_SN_MASK 0xFFFFFFFF 637#define SOL_HW_STS_MASK 0x000000FF 638#define SOL_STS_MASK 0x0000FF00 639#define SOL_RESP_MASK 0x00FF0000 640#define SOL_FLAGS_MASK 0x7F000000 641#define SOL_S_MASK 0x80000000 642 643struct sol_cqe { 644 u32 dw[4]; 645}; 646 647struct amap_sol_cqe { 648 u8 hw_sts[8]; /* dword 0 */ 649 u8 i_sts[8]; /* dword 0 */ 650 u8 i_resp[8]; /* dword 0 */ 651 u8 i_flags[7]; /* dword 0 */ 652 u8 s; /* dword 0 */ 653 u8 i_exp_cmd_sn[32]; /* dword 1 */ 654 u8 code[6]; /* dword 2 */ 655 u8 cid[10]; /* dword 2 */ 656 u8 wrb_index[8]; /* dword 2 */ 657 u8 i_cmd_wnd[8]; /* dword 2 */ 658 u8 i_res_cnt[31]; /* dword 3 */ 659 u8 valid; /* dword 3 */ 660} __packed; 661 662#define SOL_ICD_INDEX_MASK 0x0003FFC0 663struct amap_sol_cqe_ring { 664 u8 hw_sts[8]; /* dword 0 */ 665 u8 i_sts[8]; /* dword 0 */ 666 u8 i_resp[8]; /* dword 0 */ 667 u8 i_flags[7]; /* dword 0 */ 668 u8 s; /* dword 0 */ 669 u8 i_exp_cmd_sn[32]; /* dword 1 */ 670 u8 code[6]; /* dword 2 */ 671 u8 icd_index[12]; /* dword 2 */ 672 u8 rsvd[6]; /* dword 2 */ 673 u8 i_cmd_wnd[8]; /* dword 2 */ 674 u8 i_res_cnt[31]; /* dword 3 */ 675 u8 valid; /* dword 3 */ 676} __packed; 677 678 679 680/** 681 * Post WRB Queue Doorbell Register used by the host Storage 682 * stack to notify the 683 * controller of a posted Work Request Block 684 */ 685#define DB_WRB_POST_CID_MASK 0x3FF /* bits 0 - 9 */ 686#define DB_DEF_PDU_WRB_INDEX_MASK 0xFF /* bits 0 - 9 */ 687 688#define DB_DEF_PDU_WRB_INDEX_SHIFT 16 689#define DB_DEF_PDU_NUM_POSTED_SHIFT 24 690 691struct fragnum_bits_for_sgl_cra_in { 692 struct be_cmd_req_hdr hdr; 693 u32 num_bits; 694} __packed; 695 696struct iscsi_cleanup_req { 697 struct be_cmd_req_hdr hdr; 698 u16 chute; 699 u8 hdr_ring_id; 700 u8 data_ring_id; 701 702} __packed; 703 704struct eq_delay { 705 u32 eq_id; 706 u32 phase; 707 u32 delay_multiplier; 708} __packed; 709 710struct be_eq_delay_params_in { 711 struct be_cmd_req_hdr hdr; 712 u32 num_eq; 713 struct eq_delay delay[8]; 714} __packed; 715 716struct tcp_connect_and_offload_in { 717 struct be_cmd_req_hdr hdr; 718 struct ip_address_format ip_address; 719 u16 tcp_port; 720 u16 cid; 721 u16 cq_id; 722 u16 defq_id; 723 struct phys_addr dataout_template_pa; 724 u16 hdr_ring_id; 725 u16 data_ring_id; 726 u8 do_offload; 727 u8 rsvd0[3]; 728} __packed; 729 730struct tcp_connect_and_offload_out { 731 struct be_cmd_resp_hdr hdr; 732 u32 connection_handle; 733 u16 cid; 734 u16 rsvd0; 735 736} __packed; 737 738struct be_mcc_wrb_context { 739 struct MCC_WRB *wrb; 740 int *users_final_status; 741} __packed; 742 743#define DB_DEF_PDU_RING_ID_MASK 0x3FF /* bits 0 - 9 */ 744#define DB_DEF_PDU_CQPROC_MASK 0x3FFF /* bits 0 - 9 */ 745#define DB_DEF_PDU_REARM_SHIFT 14 746#define DB_DEF_PDU_EVENT_SHIFT 15 747#define DB_DEF_PDU_CQPROC_SHIFT 16 748 749struct dmsg_cqe { 750 u32 dw[4]; 751} __packed; 752 753struct tcp_upload_params_in { 754 struct be_cmd_req_hdr hdr; 755 u16 id; 756 u16 upload_type; 757 u32 reset_seq; 758} __packed; 759 760struct tcp_upload_params_out { 761 u32 dw[32]; 762} __packed; 763 764union tcp_upload_params { 765 struct tcp_upload_params_in request; 766 struct tcp_upload_params_out response; 767} __packed; 768 769struct be_ulp_fw_cfg { 770 u32 ulp_mode; 771 u32 etx_base; 772 u32 etx_count; 773 u32 sq_base; 774 u32 sq_count; 775 u32 rq_base; 776 u32 rq_count; 777 u32 dq_base; 778 u32 dq_count; 779 u32 lro_base; 780 u32 lro_count; 781 u32 icd_base; 782 u32 icd_count; 783}; 784 785struct be_fw_cfg { 786 struct be_cmd_req_hdr hdr; 787 u32 be_config_number; 788 u32 asic_revision; 789 u32 phys_port; 790 u32 function_mode; 791 struct be_ulp_fw_cfg ulp[2]; 792 u32 function_caps; 793} __packed; 794 795struct be_all_if_id { 796 struct be_cmd_req_hdr hdr; 797 u32 if_count; 798 u32 if_hndl_list[1]; 799} __packed; 800 801#define ISCSI_OPCODE_SCSI_DATA_OUT 5 802#define OPCODE_COMMON_MODIFY_EQ_DELAY 41 803#define OPCODE_COMMON_ISCSI_CLEANUP 59 804#define OPCODE_COMMON_TCP_UPLOAD 56 805#define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70 806#define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1 807#define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME 6 808#define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME 7 809#define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION 14 810#define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41 811#define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42 812#define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET 52 813 814/* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */ 815#define CMD_ISCSI_COMMAND_INVALIDATE 1 816#define CMD_ISCSI_CONNECTION_INVALIDATE 0x8001 817#define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST 0x8002 818 819#define INI_WR_CMD 1 /* Initiator write command */ 820#define INI_TMF_CMD 2 /* Initiator TMF command */ 821#define INI_NOPOUT_CMD 3 /* Initiator; Send a NOP-OUT */ 822#define INI_RD_CMD 5 /* Initiator requesting to send 823 * a read command 824 */ 825#define TGT_CTX_UPDT_CMD 7 /* Target context update */ 826#define TGT_STS_CMD 8 /* Target R2T and other BHS 827 * where only the status number 828 * need to be updated 829 */ 830#define TGT_DATAIN_CMD 9 /* Target Data-Ins in response 831 * to read command 832 */ 833#define TGT_SOS_PDU 10 /* Target:standalone status 834 * response 835 */ 836#define TGT_DM_CMD 11 /* Indicates that the bhs 837 * preparedby 838 * driver should not be touched 839 */ 840/* --- CMD_CHUTE_TYPE --- */ 841#define CMD_CONNECTION_CHUTE_0 1 842#define CMD_CONNECTION_CHUTE_1 2 843#define CMD_CONNECTION_CHUTE_2 3 844 845#define EQ_MAJOR_CODE_COMPLETION 0 846 847#define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0 848#define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1 849 850/* --- CONNECTION_UPLOAD_PARAMS --- */ 851/* These parameters are used to define the type of upload desired. */ 852#define CONNECTION_UPLOAD_GRACEFUL 1 /* Graceful upload */ 853#define CONNECTION_UPLOAD_ABORT_RESET 2 /* Abortive upload with 854 * reset 855 */ 856#define CONNECTION_UPLOAD_ABORT 3 /* Abortive upload without 857 * reset 858 */ 859#define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4 /* Abortive upload with reset, 860 * sequence number by driver */ 861 862/* Returns byte size of given field with a structure. */ 863 864/* Returns the number of items in the field array. */ 865#define BE_NUMBER_OF_FIELD(_type_, _field_) \ 866 (FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\ 867 868/** 869 * Different types of iSCSI completions to host driver for both initiator 870 * and taget mode 871 * of operation. 872 */ 873#define SOL_CMD_COMPLETE 1 /* Solicited command completed 874 * normally 875 */ 876#define SOL_CMD_KILLED_DATA_DIGEST_ERR 2 /* Solicited command got 877 * invalidated internally due 878 * to Data Digest error 879 */ 880#define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3 /* Connection got invalidated 881 * internally 882 * due to a received PDU 883 * size > DSL 884 */ 885#define CXN_KILLED_BURST_LEN_MISMATCH 4 /* Connection got invalidated 886 * internally due ti received 887 * PDU sequence size > 888 * FBL/MBL. 889 */ 890#define CXN_KILLED_AHS_RCVD 5 /* Connection got invalidated 891 * internally due to a received 892 * PDU Hdr that has 893 * AHS */ 894#define CXN_KILLED_HDR_DIGEST_ERR 6 /* Connection got invalidated 895 * internally due to Hdr Digest 896 * error 897 */ 898#define CXN_KILLED_UNKNOWN_HDR 7 /* Connection got invalidated 899 * internally 900 * due to a bad opcode in the 901 * pdu hdr 902 */ 903#define CXN_KILLED_STALE_ITT_TTT_RCVD 8 /* Connection got invalidated 904 * internally due to a received 905 * ITT/TTT that does not belong 906 * to this Connection 907 */ 908#define CXN_KILLED_INVALID_ITT_TTT_RCVD 9 /* Connection got invalidated 909 * internally due to received 910 * ITT/TTT value > Max 911 * Supported ITTs/TTTs 912 */ 913#define CXN_KILLED_RST_RCVD 10 /* Connection got invalidated 914 * internally due to an 915 * incoming TCP RST 916 */ 917#define CXN_KILLED_TIMED_OUT 11 /* Connection got invalidated 918 * internally due to timeout on 919 * tcp segment 12 retransmit 920 * attempts failed 921 */ 922#define CXN_KILLED_RST_SENT 12 /* Connection got invalidated 923 * internally due to TCP RST 924 * sent by the Tx side 925 */ 926#define CXN_KILLED_FIN_RCVD 13 /* Connection got invalidated 927 * internally due to an 928 * incoming TCP FIN. 929 */ 930#define CXN_KILLED_BAD_UNSOL_PDU_RCVD 14 /* Connection got invalidated 931 * internally due to bad 932 * unsolicited PDU Unsolicited 933 * PDUs are PDUs with 934 * ITT=0xffffffff 935 */ 936#define CXN_KILLED_BAD_WRB_INDEX_ERROR 15 /* Connection got invalidated 937 * internally due to bad WRB 938 * index. 939 */ 940#define CXN_KILLED_OVER_RUN_RESIDUAL 16 /* Command got invalidated 941 * internally due to received 942 * command has residual 943 * over run bytes. 944 */ 945#define CXN_KILLED_UNDER_RUN_RESIDUAL 17 /* Command got invalidated 946 * internally due to received 947 * command has residual under 948 * run bytes. 949 */ 950#define CMD_KILLED_INVALID_STATSN_RCVD 18 /* Command got invalidated 951 * internally due to a received 952 * PDU has an invalid StatusSN 953 */ 954#define CMD_KILLED_INVALID_R2T_RCVD 19 /* Command got invalidated 955 * internally due to a received 956 * an R2T with some invalid 957 * fields in it 958 */ 959#define CMD_CXN_KILLED_LUN_INVALID 20 /* Command got invalidated 960 * internally due to received 961 * PDU has an invalid LUN. 962 */ 963#define CMD_CXN_KILLED_ICD_INVALID 21 /* Command got invalidated 964 * internally due to the 965 * corresponding ICD not in a 966 * valid state 967 */ 968#define CMD_CXN_KILLED_ITT_INVALID 22 /* Command got invalidated due 969 * to received PDU has an 970 * invalid ITT. 971 */ 972#define CMD_CXN_KILLED_SEQ_OUTOFORDER 23 /* Command got invalidated due 973 * to received sequence buffer 974 * offset is out of order. 975 */ 976#define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24 /* Command got invalidated 977 * internally due to a 978 * received PDU has an invalid 979 * DataSN 980 */ 981#define CXN_INVALIDATE_NOTIFY 25 /* Connection invalidation 982 * completion notify. 983 */ 984#define CXN_INVALIDATE_INDEX_NOTIFY 26 /* Connection invalidation 985 * completion 986 * with data PDU index. 987 */ 988#define CMD_INVALIDATED_NOTIFY 27 /* Command invalidation 989 * completionnotifify. 990 */ 991#define UNSOL_HDR_NOTIFY 28 /* Unsolicited header notify.*/ 992#define UNSOL_DATA_NOTIFY 29 /* Unsolicited data notify.*/ 993#define UNSOL_DATA_DIGEST_ERROR_NOTIFY 30 /* Unsolicited data digest 994 * error notify. 995 */ 996#define DRIVERMSG_NOTIFY 31 /* TCP acknowledge based 997 * notification. 998 */ 999#define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated 1000 * internally due to command 1001 * and data are not on same 1002 * connection. 1003 */ 1004#define SOL_CMD_KILLED_DIF_ERR 33 /* Solicited command got 1005 * invalidated internally due 1006 * to DIF error 1007 */ 1008#define CXN_KILLED_SYN_RCVD 34 /* Connection got invalidated 1009 * internally due to incoming 1010 * TCP SYN 1011 */ 1012#define CXN_KILLED_IMM_DATA_RCVD 35 /* Connection got invalidated 1013 * internally due to an 1014 * incoming Unsolicited PDU 1015 * that has immediate data on 1016 * the cxn 1017 */ 1018 1019int beiscsi_pci_soft_reset(struct beiscsi_hba *phba); 1020int be_chk_reset_complete(struct beiscsi_hba *phba); 1021 1022void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len, 1023 bool embedded, u8 sge_cnt); 1024 1025void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr, 1026 u8 subsystem, u8 opcode, int cmd_len); 1027 1028#endif /* !BEISCSI_CMDS_H */ 1029