1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2021 Broadcom. All Rights Reserved. The term 4 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. 5 */ 6 7 #ifndef _EFCT_HW_H 8 #define _EFCT_HW_H 9 10 #include "../libefc_sli/sli4.h" 11 12 /* 13 * EFCT PCI IDs 14 */ 15 #define EFCT_VENDOR_ID 0x10df 16 /* LightPulse 16Gb x 4 FC (lancer-g6) */ 17 #define EFCT_DEVICE_LANCER_G6 0xe307 18 /* LightPulse 32Gb x 4 FC (lancer-g7) */ 19 #define EFCT_DEVICE_LANCER_G7 0xf407 20 21 /*Default RQ entries len used by driver*/ 22 #define EFCT_HW_RQ_ENTRIES_MIN 512 23 #define EFCT_HW_RQ_ENTRIES_DEF 1024 24 #define EFCT_HW_RQ_ENTRIES_MAX 4096 25 26 /*Defines the size of the RQ buffers used for each RQ*/ 27 #define EFCT_HW_RQ_SIZE_HDR 128 28 #define EFCT_HW_RQ_SIZE_PAYLOAD 1024 29 30 /*Define the maximum number of multi-receive queues*/ 31 #define EFCT_HW_MAX_MRQS 8 32 33 /* 34 * Define count of when to set the WQEC bit in a submitted 35 * WQE, causing a consummed/released completion to be posted. 36 */ 37 #define EFCT_HW_WQEC_SET_COUNT 32 38 39 /*Send frame timeout in seconds*/ 40 #define EFCT_HW_SEND_FRAME_TIMEOUT 10 41 42 /* 43 * FDT Transfer Hint value, reads greater than this value 44 * will be segmented to implement fairness. A value of zero disables 45 * the feature. 46 */ 47 #define EFCT_HW_FDT_XFER_HINT 8192 48 49 #define EFCT_HW_TIMECHECK_ITERATIONS 100 50 #define EFCT_HW_MAX_NUM_MQ 1 51 #define EFCT_HW_MAX_NUM_RQ 32 52 #define EFCT_HW_MAX_NUM_EQ 16 53 #define EFCT_HW_MAX_NUM_WQ 32 54 #define EFCT_HW_DEF_NUM_EQ 1 55 56 #define OCE_HW_MAX_NUM_MRQ_PAIRS 16 57 58 #define EFCT_HW_MQ_DEPTH 128 59 #define EFCT_HW_EQ_DEPTH 1024 60 61 /* 62 * A CQ will be assinged to each WQ 63 * (CQ must have 2X entries of the WQ for abort 64 * processing), plus a separate one for each RQ PAIR and one for MQ 65 */ 66 #define EFCT_HW_MAX_NUM_CQ \ 67 ((EFCT_HW_MAX_NUM_WQ * 2) + 1 + (OCE_HW_MAX_NUM_MRQ_PAIRS * 2)) 68 69 #define EFCT_HW_Q_HASH_SIZE 128 70 #define EFCT_HW_RQ_HEADER_SIZE 128 71 #define EFCT_HW_RQ_HEADER_INDEX 0 72 73 #define EFCT_HW_REQUE_XRI_REGTAG 65534 74 75 /* Options for efct_hw_command() */ 76 enum efct_cmd_opts { 77 /* command executes synchronously and busy-waits for completion */ 78 EFCT_CMD_POLL, 79 /* command executes asynchronously. Uses callback */ 80 EFCT_CMD_NOWAIT, 81 }; 82 83 enum efct_hw_reset { 84 EFCT_HW_RESET_FUNCTION, 85 EFCT_HW_RESET_FIRMWARE, 86 EFCT_HW_RESET_MAX 87 }; 88 89 enum efct_hw_topo { 90 EFCT_HW_TOPOLOGY_AUTO, 91 EFCT_HW_TOPOLOGY_NPORT, 92 EFCT_HW_TOPOLOGY_LOOP, 93 EFCT_HW_TOPOLOGY_NONE, 94 EFCT_HW_TOPOLOGY_MAX 95 }; 96 97 /* pack fw revision values into a single uint64_t */ 98 #define HW_FWREV(a, b, c, d) (((uint64_t)(a) << 48) | ((uint64_t)(b) << 32) \ 99 | ((uint64_t)(c) << 16) | ((uint64_t)(d))) 100 101 #define EFCT_FW_VER_STR(a, b, c, d) (#a "." #b "." #c "." #d) 102 103 enum efct_hw_io_type { 104 EFCT_HW_ELS_REQ, 105 EFCT_HW_ELS_RSP, 106 EFCT_HW_FC_CT, 107 EFCT_HW_FC_CT_RSP, 108 EFCT_HW_BLS_ACC, 109 EFCT_HW_BLS_RJT, 110 EFCT_HW_IO_TARGET_READ, 111 EFCT_HW_IO_TARGET_WRITE, 112 EFCT_HW_IO_TARGET_RSP, 113 EFCT_HW_IO_DNRX_REQUEUE, 114 EFCT_HW_IO_MAX, 115 }; 116 117 enum efct_hw_io_state { 118 EFCT_HW_IO_STATE_FREE, 119 EFCT_HW_IO_STATE_INUSE, 120 EFCT_HW_IO_STATE_WAIT_FREE, 121 EFCT_HW_IO_STATE_WAIT_SEC_HIO, 122 }; 123 124 #define EFCT_TARGET_WRITE_SKIPS 1 125 #define EFCT_TARGET_READ_SKIPS 2 126 127 struct efct_hw; 128 struct efct_io; 129 130 #define EFCT_CMD_CTX_POOL_SZ 32 131 /** 132 * HW command context. 133 * Stores the state for the asynchronous commands sent to the hardware. 134 */ 135 struct efct_command_ctx { 136 struct list_head list_entry; 137 int (*cb)(struct efct_hw *hw, int status, u8 *mqe, void *arg); 138 void *arg; /* Argument for callback */ 139 /* buffer holding command / results */ 140 u8 buf[SLI4_BMBX_SIZE]; 141 void *ctx; /* upper layer context */ 142 }; 143 144 struct efct_hw_sgl { 145 uintptr_t addr; 146 size_t len; 147 }; 148 149 union efct_hw_io_param_u { 150 struct sli_bls_params bls; 151 struct sli_els_params els; 152 struct sli_ct_params fc_ct; 153 struct sli_fcp_tgt_params fcp_tgt; 154 }; 155 156 /* WQ steering mode */ 157 enum efct_hw_wq_steering { 158 EFCT_HW_WQ_STEERING_CLASS, 159 EFCT_HW_WQ_STEERING_REQUEST, 160 EFCT_HW_WQ_STEERING_CPU, 161 }; 162 163 /* HW wqe object */ 164 struct efct_hw_wqe { 165 struct list_head list_entry; 166 bool abort_wqe_submit_needed; 167 bool send_abts; 168 u32 id; 169 u32 abort_reqtag; 170 u8 *wqebuf; 171 }; 172 173 struct efct_hw_io; 174 /* Typedef for HW "done" callback */ 175 typedef int (*efct_hw_done_t)(struct efct_hw_io *, u32 len, int status, 176 u32 ext, void *ul_arg); 177 178 /** 179 * HW IO object. 180 * 181 * Stores the per-IO information necessary 182 * for both SLI and efct. 183 * @ref: reference counter for hw io object 184 * @state: state of IO: free, busy, wait_free 185 * @list_entry used for busy, wait_free, free lists 186 * @wqe Work queue object, with link for pending 187 * @hw pointer back to hardware context 188 * @xfer_rdy transfer ready data 189 * @type IO type 190 * @xbusy Exchange is active in FW 191 * @abort_in_progress if TRUE, abort is in progress 192 * @status_saved if TRUE, latched status should be returned 193 * @wq_class WQ class if steering mode is Class 194 * @reqtag request tag for this HW IO 195 * @wq WQ assigned to the exchange 196 * @done Function called on IO completion 197 * @arg argument passed to IO done callback 198 * @abort_done Function called on abort completion 199 * @abort_arg argument passed to abort done callback 200 * @wq_steering WQ steering mode request 201 * @saved_status Saved status 202 * @saved_len Status length 203 * @saved_ext Saved extended status 204 * @eq EQ on which this HIO came up 205 * @sge_offset SGE data offset 206 * @def_sgl_count Count of SGEs in default SGL 207 * @abort_reqtag request tag for an abort of this HW IO 208 * @indicator Exchange indicator 209 * @def_sgl default SGL 210 * @sgl pointer to current active SGL 211 * @sgl_count count of SGEs in io->sgl 212 * @first_data_sge index of first data SGE 213 * @n_sge number of active SGEs 214 */ 215 struct efct_hw_io { 216 struct kref ref; 217 enum efct_hw_io_state state; 218 void (*release)(struct kref *arg); 219 struct list_head list_entry; 220 struct efct_hw_wqe wqe; 221 222 struct efct_hw *hw; 223 struct efc_dma xfer_rdy; 224 u16 type; 225 bool xbusy; 226 int abort_in_progress; 227 bool status_saved; 228 u8 wq_class; 229 u16 reqtag; 230 231 struct hw_wq *wq; 232 efct_hw_done_t done; 233 void *arg; 234 efct_hw_done_t abort_done; 235 void *abort_arg; 236 237 enum efct_hw_wq_steering wq_steering; 238 239 u32 saved_status; 240 u32 saved_len; 241 u32 saved_ext; 242 243 struct hw_eq *eq; 244 u32 sge_offset; 245 u32 def_sgl_count; 246 u32 abort_reqtag; 247 u32 indicator; 248 struct efc_dma def_sgl; 249 struct efc_dma *sgl; 250 u32 sgl_count; 251 u32 first_data_sge; 252 u32 n_sge; 253 }; 254 255 enum efct_hw_port { 256 EFCT_HW_PORT_INIT, 257 EFCT_HW_PORT_SHUTDOWN, 258 }; 259 260 /* Node group rpi reference */ 261 struct efct_hw_rpi_ref { 262 atomic_t rpi_count; 263 atomic_t rpi_attached; 264 }; 265 266 enum efct_hw_link_stat { 267 EFCT_HW_LINK_STAT_LINK_FAILURE_COUNT, 268 EFCT_HW_LINK_STAT_LOSS_OF_SYNC_COUNT, 269 EFCT_HW_LINK_STAT_LOSS_OF_SIGNAL_COUNT, 270 EFCT_HW_LINK_STAT_PRIMITIVE_SEQ_COUNT, 271 EFCT_HW_LINK_STAT_INVALID_XMIT_WORD_COUNT, 272 EFCT_HW_LINK_STAT_CRC_COUNT, 273 EFCT_HW_LINK_STAT_PRIMITIVE_SEQ_TIMEOUT_COUNT, 274 EFCT_HW_LINK_STAT_ELASTIC_BUFFER_OVERRUN_COUNT, 275 EFCT_HW_LINK_STAT_ARB_TIMEOUT_COUNT, 276 EFCT_HW_LINK_STAT_ADVERTISED_RCV_B2B_CREDIT, 277 EFCT_HW_LINK_STAT_CURR_RCV_B2B_CREDIT, 278 EFCT_HW_LINK_STAT_ADVERTISED_XMIT_B2B_CREDIT, 279 EFCT_HW_LINK_STAT_CURR_XMIT_B2B_CREDIT, 280 EFCT_HW_LINK_STAT_RCV_EOFA_COUNT, 281 EFCT_HW_LINK_STAT_RCV_EOFDTI_COUNT, 282 EFCT_HW_LINK_STAT_RCV_EOFNI_COUNT, 283 EFCT_HW_LINK_STAT_RCV_SOFF_COUNT, 284 EFCT_HW_LINK_STAT_RCV_DROPPED_NO_AER_COUNT, 285 EFCT_HW_LINK_STAT_RCV_DROPPED_NO_RPI_COUNT, 286 EFCT_HW_LINK_STAT_RCV_DROPPED_NO_XRI_COUNT, 287 EFCT_HW_LINK_STAT_MAX, 288 }; 289 290 enum efct_hw_host_stat { 291 EFCT_HW_HOST_STAT_TX_KBYTE_COUNT, 292 EFCT_HW_HOST_STAT_RX_KBYTE_COUNT, 293 EFCT_HW_HOST_STAT_TX_FRAME_COUNT, 294 EFCT_HW_HOST_STAT_RX_FRAME_COUNT, 295 EFCT_HW_HOST_STAT_TX_SEQ_COUNT, 296 EFCT_HW_HOST_STAT_RX_SEQ_COUNT, 297 EFCT_HW_HOST_STAT_TOTAL_EXCH_ORIG, 298 EFCT_HW_HOST_STAT_TOTAL_EXCH_RESP, 299 EFCT_HW_HOSY_STAT_RX_P_BSY_COUNT, 300 EFCT_HW_HOST_STAT_RX_F_BSY_COUNT, 301 EFCT_HW_HOST_STAT_DROP_FRM_DUE_TO_NO_RQ_BUF_COUNT, 302 EFCT_HW_HOST_STAT_EMPTY_RQ_TIMEOUT_COUNT, 303 EFCT_HW_HOST_STAT_DROP_FRM_DUE_TO_NO_XRI_COUNT, 304 EFCT_HW_HOST_STAT_EMPTY_XRI_POOL_COUNT, 305 EFCT_HW_HOST_STAT_MAX, 306 }; 307 308 enum efct_hw_state { 309 EFCT_HW_STATE_UNINITIALIZED, 310 EFCT_HW_STATE_QUEUES_ALLOCATED, 311 EFCT_HW_STATE_ACTIVE, 312 EFCT_HW_STATE_RESET_IN_PROGRESS, 313 EFCT_HW_STATE_TEARDOWN_IN_PROGRESS, 314 }; 315 316 struct efct_hw_link_stat_counts { 317 u8 overflow; 318 u32 counter; 319 }; 320 321 struct efct_hw_host_stat_counts { 322 u32 counter; 323 }; 324 325 /* Structure used for the hash lookup of queue IDs */ 326 struct efct_queue_hash { 327 bool in_use; 328 u16 id; 329 u16 index; 330 }; 331 332 /* WQ callback object */ 333 struct hw_wq_callback { 334 u16 instance_index; /* use for request tag */ 335 void (*callback)(void *arg, u8 *cqe, int status); 336 void *arg; 337 struct list_head list_entry; 338 }; 339 340 struct reqtag_pool { 341 spinlock_t lock; /* pool lock */ 342 struct hw_wq_callback *tags[U16_MAX]; 343 struct list_head freelist; 344 }; 345 346 struct efct_hw_config { 347 u32 n_eq; 348 u32 n_cq; 349 u32 n_mq; 350 u32 n_rq; 351 u32 n_wq; 352 u32 n_io; 353 u32 n_sgl; 354 u32 speed; 355 u32 topology; 356 /* size of the buffers for first burst */ 357 u32 rq_default_buffer_size; 358 u8 esoc; 359 /* MRQ RQ selection policy */ 360 u8 rq_selection_policy; 361 /* RQ quanta if rq_selection_policy == 2 */ 362 u8 rr_quanta; 363 u32 filter_def[SLI4_CMD_REG_FCFI_NUM_RQ_CFG]; 364 }; 365 366 struct efct_hw { 367 struct efct *os; 368 struct sli4 sli; 369 u16 ulp_start; 370 u16 ulp_max; 371 u32 dump_size; 372 enum efct_hw_state state; 373 bool hw_setup_called; 374 u8 sliport_healthcheck; 375 u16 fcf_indicator; 376 377 /* HW configuration */ 378 struct efct_hw_config config; 379 380 /* calculated queue sizes for each type */ 381 u32 num_qentries[SLI4_QTYPE_MAX]; 382 383 /* Storage for SLI queue objects */ 384 struct sli4_queue wq[EFCT_HW_MAX_NUM_WQ]; 385 struct sli4_queue rq[EFCT_HW_MAX_NUM_RQ]; 386 u16 hw_rq_lookup[EFCT_HW_MAX_NUM_RQ]; 387 struct sli4_queue mq[EFCT_HW_MAX_NUM_MQ]; 388 struct sli4_queue cq[EFCT_HW_MAX_NUM_CQ]; 389 struct sli4_queue eq[EFCT_HW_MAX_NUM_EQ]; 390 391 /* HW queue */ 392 u32 eq_count; 393 u32 cq_count; 394 u32 mq_count; 395 u32 wq_count; 396 u32 rq_count; 397 u32 cmd_head_count; 398 struct list_head eq_list; 399 400 struct efct_queue_hash cq_hash[EFCT_HW_Q_HASH_SIZE]; 401 struct efct_queue_hash rq_hash[EFCT_HW_Q_HASH_SIZE]; 402 struct efct_queue_hash wq_hash[EFCT_HW_Q_HASH_SIZE]; 403 404 /* Storage for HW queue objects */ 405 struct hw_wq *hw_wq[EFCT_HW_MAX_NUM_WQ]; 406 struct hw_rq *hw_rq[EFCT_HW_MAX_NUM_RQ]; 407 struct hw_mq *hw_mq[EFCT_HW_MAX_NUM_MQ]; 408 struct hw_cq *hw_cq[EFCT_HW_MAX_NUM_CQ]; 409 struct hw_eq *hw_eq[EFCT_HW_MAX_NUM_EQ]; 410 /* count of hw_rq[] entries */ 411 u32 hw_rq_count; 412 /* count of multirq RQs */ 413 u32 hw_mrq_count; 414 415 struct hw_wq **wq_cpu_array; 416 417 /* Sequence objects used in incoming frame processing */ 418 struct efc_hw_sequence *seq_pool; 419 420 /* Maintain an ordered, linked list of outstanding HW commands. */ 421 struct mutex bmbx_lock; 422 spinlock_t cmd_lock; 423 struct list_head cmd_head; 424 struct list_head cmd_pending; 425 mempool_t *cmd_ctx_pool; 426 mempool_t *mbox_rqst_pool; 427 428 struct sli4_link_event link; 429 430 /* pointer array of IO objects */ 431 struct efct_hw_io **io; 432 /* array of WQE buffs mapped to IO objects */ 433 u8 *wqe_buffs; 434 435 /* IO lock to synchronize list access */ 436 spinlock_t io_lock; 437 /* List of IO objects in use */ 438 struct list_head io_inuse; 439 /* List of IO objects waiting to be freed */ 440 struct list_head io_wait_free; 441 /* List of IO objects available for allocation */ 442 struct list_head io_free; 443 444 struct efc_dma loop_map; 445 446 struct efc_dma xfer_rdy; 447 448 struct efc_dma rnode_mem; 449 450 atomic_t io_alloc_failed_count; 451 452 /* stat: wq sumbit count */ 453 u32 tcmd_wq_submit[EFCT_HW_MAX_NUM_WQ]; 454 /* stat: wq complete count */ 455 u32 tcmd_wq_complete[EFCT_HW_MAX_NUM_WQ]; 456 457 atomic_t send_frame_seq_id; 458 struct reqtag_pool *wq_reqtag_pool; 459 }; 460 461 enum efct_hw_io_count_type { 462 EFCT_HW_IO_INUSE_COUNT, 463 EFCT_HW_IO_FREE_COUNT, 464 EFCT_HW_IO_WAIT_FREE_COUNT, 465 EFCT_HW_IO_N_TOTAL_IO_COUNT, 466 }; 467 468 /* HW queue data structures */ 469 struct hw_eq { 470 struct list_head list_entry; 471 enum sli4_qtype type; 472 u32 instance; 473 u32 entry_count; 474 u32 entry_size; 475 struct efct_hw *hw; 476 struct sli4_queue *queue; 477 struct list_head cq_list; 478 u32 use_count; 479 }; 480 481 struct hw_cq { 482 struct list_head list_entry; 483 enum sli4_qtype type; 484 u32 instance; 485 u32 entry_count; 486 u32 entry_size; 487 struct hw_eq *eq; 488 struct sli4_queue *queue; 489 struct list_head q_list; 490 u32 use_count; 491 }; 492 493 struct hw_q { 494 struct list_head list_entry; 495 enum sli4_qtype type; 496 }; 497 498 struct hw_mq { 499 struct list_head list_entry; 500 enum sli4_qtype type; 501 u32 instance; 502 503 u32 entry_count; 504 u32 entry_size; 505 struct hw_cq *cq; 506 struct sli4_queue *queue; 507 508 u32 use_count; 509 }; 510 511 struct hw_wq { 512 struct list_head list_entry; 513 enum sli4_qtype type; 514 u32 instance; 515 struct efct_hw *hw; 516 517 u32 entry_count; 518 u32 entry_size; 519 struct hw_cq *cq; 520 struct sli4_queue *queue; 521 u32 class; 522 523 /* WQ consumed */ 524 u32 wqec_set_count; 525 u32 wqec_count; 526 u32 free_count; 527 u32 total_submit_count; 528 struct list_head pending_list; 529 530 /* HW IO allocated for use with Send Frame */ 531 struct efct_hw_io *send_frame_io; 532 533 /* Stats */ 534 u32 use_count; 535 u32 wq_pending_count; 536 }; 537 538 struct hw_rq { 539 struct list_head list_entry; 540 enum sli4_qtype type; 541 u32 instance; 542 543 u32 entry_count; 544 u32 use_count; 545 u32 hdr_entry_size; 546 u32 first_burst_entry_size; 547 u32 data_entry_size; 548 bool is_mrq; 549 u32 base_mrq_id; 550 551 struct hw_cq *cq; 552 553 u8 filter_mask; 554 struct sli4_queue *hdr; 555 struct sli4_queue *first_burst; 556 struct sli4_queue *data; 557 558 struct efc_hw_rq_buffer *hdr_buf; 559 struct efc_hw_rq_buffer *fb_buf; 560 struct efc_hw_rq_buffer *payload_buf; 561 /* RQ tracker for this RQ */ 562 struct efc_hw_sequence **rq_tracker; 563 }; 564 565 struct efct_hw_send_frame_context { 566 struct efct_hw *hw; 567 struct hw_wq_callback *wqcb; 568 struct efct_hw_wqe wqe; 569 void (*callback)(int status, void *arg); 570 void *arg; 571 572 /* General purpose elements */ 573 struct efc_hw_sequence *seq; 574 struct efc_dma payload; 575 }; 576 577 struct efct_hw_grp_hdr { 578 u32 size; 579 __be32 magic_number; 580 u32 word2; 581 u8 rev_name[128]; 582 u8 date[12]; 583 u8 revision[32]; 584 }; 585 586 static inline int efct_hw_get_link_speed(struct efct_hw * hw)587 efct_hw_get_link_speed(struct efct_hw *hw) { 588 return hw->link.speed; 589 } 590 591 int 592 efct_hw_setup(struct efct_hw *hw, void *os, struct pci_dev *pdev); 593 int efct_hw_init(struct efct_hw *hw); 594 int 595 efct_hw_parse_filter(struct efct_hw *hw, void *value); 596 int 597 efct_hw_init_queues(struct efct_hw *hw); 598 int 599 efct_hw_map_wq_cpu(struct efct_hw *hw); 600 uint64_t 601 efct_get_wwnn(struct efct_hw *hw); 602 uint64_t 603 efct_get_wwpn(struct efct_hw *hw); 604 605 int efct_hw_rx_allocate(struct efct_hw *hw); 606 int efct_hw_rx_post(struct efct_hw *hw); 607 void efct_hw_rx_free(struct efct_hw *hw); 608 int 609 efct_hw_command(struct efct_hw *hw, u8 *cmd, u32 opts, void *cb, 610 void *arg); 611 int 612 efct_issue_mbox_rqst(void *base, void *cmd, void *cb, void *arg); 613 614 struct efct_hw_io *efct_hw_io_alloc(struct efct_hw *hw); 615 int efct_hw_io_free(struct efct_hw *hw, struct efct_hw_io *io); 616 u8 efct_hw_io_inuse(struct efct_hw *hw, struct efct_hw_io *io); 617 int 618 efct_hw_io_send(struct efct_hw *hw, enum efct_hw_io_type type, 619 struct efct_hw_io *io, union efct_hw_io_param_u *iparam, 620 void *cb, void *arg); 621 int 622 efct_hw_io_register_sgl(struct efct_hw *hw, struct efct_hw_io *io, 623 struct efc_dma *sgl, 624 u32 sgl_count); 625 int 626 efct_hw_io_init_sges(struct efct_hw *hw, 627 struct efct_hw_io *io, enum efct_hw_io_type type); 628 629 int 630 efct_hw_io_add_sge(struct efct_hw *hw, struct efct_hw_io *io, 631 uintptr_t addr, u32 length); 632 int 633 efct_hw_io_abort(struct efct_hw *hw, struct efct_hw_io *io_to_abort, 634 bool send_abts, void *cb, void *arg); 635 u32 636 efct_hw_io_get_count(struct efct_hw *hw, 637 enum efct_hw_io_count_type io_count_type); 638 struct efct_hw_io 639 *efct_hw_io_lookup(struct efct_hw *hw, u32 indicator); 640 void efct_hw_io_abort_all(struct efct_hw *hw); 641 void efct_hw_io_free_internal(struct kref *arg); 642 643 /* HW WQ request tag API */ 644 struct reqtag_pool *efct_hw_reqtag_pool_alloc(struct efct_hw *hw); 645 void efct_hw_reqtag_pool_free(struct efct_hw *hw); 646 struct hw_wq_callback 647 *efct_hw_reqtag_alloc(struct efct_hw *hw, 648 void (*callback)(void *arg, u8 *cqe, 649 int status), void *arg); 650 void 651 efct_hw_reqtag_free(struct efct_hw *hw, struct hw_wq_callback *wqcb); 652 struct hw_wq_callback 653 *efct_hw_reqtag_get_instance(struct efct_hw *hw, u32 instance_index); 654 655 /* RQ completion handlers for RQ pair mode */ 656 int 657 efct_hw_rqpair_process_rq(struct efct_hw *hw, 658 struct hw_cq *cq, u8 *cqe); 659 int 660 efct_hw_rqpair_sequence_free(struct efct_hw *hw, struct efc_hw_sequence *seq); 661 static inline void efct_hw_sequence_copy(struct efc_hw_sequence * dst,struct efc_hw_sequence * src)662 efct_hw_sequence_copy(struct efc_hw_sequence *dst, 663 struct efc_hw_sequence *src) 664 { 665 /* Copy src to dst, then zero out the linked list link */ 666 *dst = *src; 667 } 668 669 int 670 efct_efc_hw_sequence_free(struct efc *efc, struct efc_hw_sequence *seq); 671 672 static inline int efct_hw_sequence_free(struct efct_hw * hw,struct efc_hw_sequence * seq)673 efct_hw_sequence_free(struct efct_hw *hw, struct efc_hw_sequence *seq) 674 { 675 /* Only RQ pair mode is supported */ 676 return efct_hw_rqpair_sequence_free(hw, seq); 677 } 678 679 int 680 efct_hw_eq_process(struct efct_hw *hw, struct hw_eq *eq, 681 u32 max_isr_time_msec); 682 void efct_hw_cq_process(struct efct_hw *hw, struct hw_cq *cq); 683 void 684 efct_hw_wq_process(struct efct_hw *hw, struct hw_cq *cq, 685 u8 *cqe, int status, u16 rid); 686 void 687 efct_hw_xabt_process(struct efct_hw *hw, struct hw_cq *cq, 688 u8 *cqe, u16 rid); 689 int 690 efct_hw_process(struct efct_hw *hw, u32 vector, u32 max_isr_time_msec); 691 int 692 efct_hw_queue_hash_find(struct efct_queue_hash *hash, u16 id); 693 int efct_hw_wq_write(struct hw_wq *wq, struct efct_hw_wqe *wqe); 694 int 695 efct_hw_send_frame(struct efct_hw *hw, struct fc_frame_header *hdr, 696 u8 sof, u8 eof, struct efc_dma *payload, 697 struct efct_hw_send_frame_context *ctx, 698 void (*callback)(void *arg, u8 *cqe, int status), 699 void *arg); 700 int 701 efct_els_hw_srrs_send(struct efc *efc, struct efc_disc_io *io); 702 int 703 efct_efc_bls_send(struct efc *efc, u32 type, struct sli_bls_params *bls); 704 int 705 efct_hw_bls_send(struct efct *efct, u32 type, struct sli_bls_params *bls_params, 706 void *cb, void *arg); 707 708 /* Function for retrieving link statistics */ 709 int 710 efct_hw_get_link_stats(struct efct_hw *hw, 711 u8 req_ext_counters, 712 u8 clear_overflow_flags, 713 u8 clear_all_counters, 714 void (*efct_hw_link_stat_cb_t)(int status, 715 u32 num_counters, 716 struct efct_hw_link_stat_counts *counters, void *arg), 717 void *arg); 718 /* Function for retrieving host statistics */ 719 int 720 efct_hw_get_host_stats(struct efct_hw *hw, 721 u8 cc, 722 void (*efct_hw_host_stat_cb_t)(int status, 723 u32 num_counters, 724 struct efct_hw_host_stat_counts *counters, void *arg), 725 void *arg); 726 int 727 efct_hw_firmware_write(struct efct_hw *hw, struct efc_dma *dma, 728 u32 size, u32 offset, int last, 729 void (*cb)(int status, u32 bytes_written, 730 u32 change_status, void *arg), 731 void *arg); 732 typedef void (*efct_hw_async_cb_t)(struct efct_hw *hw, int status, 733 u8 *mqe, void *arg); 734 int 735 efct_hw_async_call(struct efct_hw *hw, efct_hw_async_cb_t callback, void *arg); 736 737 struct hw_eq *efct_hw_new_eq(struct efct_hw *hw, u32 entry_count); 738 struct hw_cq *efct_hw_new_cq(struct hw_eq *eq, u32 entry_count); 739 u32 740 efct_hw_new_cq_set(struct hw_eq *eqs[], struct hw_cq *cqs[], 741 u32 num_cqs, u32 entry_count); 742 struct hw_mq *efct_hw_new_mq(struct hw_cq *cq, u32 entry_count); 743 struct hw_wq 744 *efct_hw_new_wq(struct hw_cq *cq, u32 entry_count); 745 u32 746 efct_hw_new_rq_set(struct hw_cq *cqs[], struct hw_rq *rqs[], 747 u32 num_rq_pairs, u32 entry_count); 748 void efct_hw_del_eq(struct hw_eq *eq); 749 void efct_hw_del_cq(struct hw_cq *cq); 750 void efct_hw_del_mq(struct hw_mq *mq); 751 void efct_hw_del_wq(struct hw_wq *wq); 752 void efct_hw_del_rq(struct hw_rq *rq); 753 void efct_hw_queue_teardown(struct efct_hw *hw); 754 void efct_hw_teardown(struct efct_hw *hw); 755 int 756 efct_hw_reset(struct efct_hw *hw, enum efct_hw_reset reset); 757 758 int 759 efct_hw_port_control(struct efct_hw *hw, enum efct_hw_port ctrl, 760 uintptr_t value, 761 void (*cb)(int status, uintptr_t value, void *arg), 762 void *arg); 763 764 #endif /* __EFCT_H__ */ 765