1/*- 2 * Copyright (c) 2017 Broadcom. All rights reserved. 3 * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 * 31 * $FreeBSD: stable/11/sys/dev/ocs_fc/ocs_hw.h 331766 2018-03-30 15:28:25Z ken $ 32 */ 33 34/** 35 * @file 36 * Defines the Hardware Abstraction Layer (HW) interface functions. 37 */ 38 39#ifndef _OCS_HW_H 40#define _OCS_HW_H 41 42#include "sli4.h" 43#include "ocs_hw.h" 44#include "ocs_stats.h" 45#include "ocs_utils.h" 46 47typedef struct ocs_hw_io_s ocs_hw_io_t; 48 49 50#if defined(OCS_INCLUDE_DEBUG) 51#else 52#define ocs_queue_history_wq(...) 53#define ocs_queue_history_cqe(...) 54#define ocs_queue_history_init(...) 55#define ocs_queue_history_free(...) 56#endif 57 58/** 59 * @brief HW queue forward declarations 60 */ 61typedef struct hw_eq_s hw_eq_t; 62typedef struct hw_cq_s hw_cq_t; 63typedef struct hw_mq_s hw_mq_t; 64typedef struct hw_wq_s hw_wq_t; 65typedef struct hw_rq_s hw_rq_t; 66typedef struct hw_rq_grp_s hw_rq_grp_t; 67 68/* HW asserts/verify 69 * 70 */ 71 72extern void _ocs_hw_assert(const char *cond, const char *filename, int linenum); 73extern void _ocs_hw_verify(const char *cond, const char *filename, int linenum); 74 75#if defined(HW_NDEBUG) 76#define ocs_hw_assert(cond) 77#define ocs_hw_verify(cond, ...) 78#else 79#define ocs_hw_assert(cond) \ 80 do { \ 81 if ((!(cond))) { \ 82 _ocs_hw_assert(#cond, __FILE__, __LINE__); \ 83 } \ 84 } while (0) 85 86#define ocs_hw_verify(cond, ...) \ 87 do { \ 88 if ((!(cond))) { \ 89 _ocs_hw_verify(#cond, __FILE__, __LINE__); \ 90 return __VA_ARGS__; \ 91 } \ 92 } while (0) 93#endif 94#define ocs_hw_verify_arg(cond) ocs_hw_verify(cond, OCS_HW_RTN_INVALID_ARG) 95 96/* 97 * HW completion loop control parameters. 98 * 99 * The HW completion loop must terminate periodically to keep the OS happy. The 100 * loop terminates when a predefined time has elapsed, but to keep the overhead of 101 * computing time down, the time is only checked after a number of loop iterations 102 * has completed. 103 * 104 * OCS_HW_TIMECHECK_ITERATIONS number of loop iterations between time checks 105 * 106 */ 107 108#define OCS_HW_TIMECHECK_ITERATIONS 100 109#define OCS_HW_MAX_NUM_MQ 1 110#define OCS_HW_MAX_NUM_RQ 32 111#define OCS_HW_MAX_NUM_EQ 16 112#define OCS_HW_MAX_NUM_WQ 32 113 114#define OCE_HW_MAX_NUM_MRQ_PAIRS 16 115 116#define OCS_HW_MAX_WQ_CLASS 4 117#define OCS_HW_MAX_WQ_CPU 128 118 119/* 120 * A CQ will be assinged to each WQ (CQ must have 2X entries of the WQ for abort 121 * processing), plus a separate one for each RQ PAIR and one for MQ 122 */ 123#define OCS_HW_MAX_NUM_CQ ((OCS_HW_MAX_NUM_WQ*2) + 1 + (OCE_HW_MAX_NUM_MRQ_PAIRS * 2)) 124 125/* 126 * Q hash - size is the maximum of all the queue sizes, rounded up to the next 127 * power of 2 128 */ 129#define OCS_HW_Q_HASH_SIZE B32_NEXT_POWER_OF_2(OCS_MAX(OCS_HW_MAX_NUM_MQ, OCS_MAX(OCS_HW_MAX_NUM_RQ, \ 130 OCS_MAX(OCS_HW_MAX_NUM_EQ, OCS_MAX(OCS_HW_MAX_NUM_WQ, \ 131 OCS_HW_MAX_NUM_CQ))))) 132 133#define OCS_HW_RQ_HEADER_SIZE 128 134#define OCS_HW_RQ_HEADER_INDEX 0 135 136/** 137 * @brief Options for ocs_hw_command(). 138 */ 139enum { 140 OCS_CMD_POLL, /**< command executes synchronously and busy-waits for completion */ 141 OCS_CMD_NOWAIT, /**< command executes asynchronously. Uses callback */ 142}; 143 144typedef enum { 145 OCS_HW_RTN_SUCCESS = 0, 146 OCS_HW_RTN_SUCCESS_SYNC = 1, 147 OCS_HW_RTN_ERROR = -1, 148 OCS_HW_RTN_NO_RESOURCES = -2, 149 OCS_HW_RTN_NO_MEMORY = -3, 150 OCS_HW_RTN_IO_NOT_ACTIVE = -4, 151 OCS_HW_RTN_IO_ABORT_IN_PROGRESS = -5, 152 OCS_HW_RTN_IO_PORT_OWNED_ALREADY_ABORTED = -6, 153 OCS_HW_RTN_INVALID_ARG = -7, 154} ocs_hw_rtn_e; 155#define OCS_HW_RTN_IS_ERROR(e) ((e) < 0) 156 157typedef enum { 158 OCS_HW_RESET_FUNCTION, 159 OCS_HW_RESET_FIRMWARE, 160 OCS_HW_RESET_MAX 161} ocs_hw_reset_e; 162 163typedef enum { 164 OCS_HW_N_IO, 165 OCS_HW_N_SGL, 166 OCS_HW_MAX_IO, 167 OCS_HW_MAX_SGE, 168 OCS_HW_MAX_SGL, 169 OCS_HW_MAX_NODES, 170 OCS_HW_MAX_RQ_ENTRIES, 171 OCS_HW_TOPOLOGY, /**< auto, nport, loop */ 172 OCS_HW_WWN_NODE, 173 OCS_HW_WWN_PORT, 174 OCS_HW_FW_REV, 175 OCS_HW_FW_REV2, 176 OCS_HW_IPL, 177 OCS_HW_VPD, 178 OCS_HW_VPD_LEN, 179 OCS_HW_MODE, /**< initiator, target, both */ 180 OCS_HW_LINK_SPEED, 181 OCS_HW_IF_TYPE, 182 OCS_HW_SLI_REV, 183 OCS_HW_SLI_FAMILY, 184 OCS_HW_RQ_PROCESS_LIMIT, 185 OCS_HW_RQ_DEFAULT_BUFFER_SIZE, 186 OCS_HW_AUTO_XFER_RDY_CAPABLE, 187 OCS_HW_AUTO_XFER_RDY_XRI_CNT, 188 OCS_HW_AUTO_XFER_RDY_SIZE, 189 OCS_HW_AUTO_XFER_RDY_BLK_SIZE, 190 OCS_HW_AUTO_XFER_RDY_T10_ENABLE, 191 OCS_HW_AUTO_XFER_RDY_P_TYPE, 192 OCS_HW_AUTO_XFER_RDY_REF_TAG_IS_LBA, 193 OCS_HW_AUTO_XFER_RDY_APP_TAG_VALID, 194 OCS_HW_AUTO_XFER_RDY_APP_TAG_VALUE, 195 OCS_HW_DIF_CAPABLE, 196 OCS_HW_DIF_SEED, 197 OCS_HW_DIF_MODE, 198 OCS_HW_DIF_MULTI_SEPARATE, 199 OCS_HW_DUMP_MAX_SIZE, 200 OCS_HW_DUMP_READY, 201 OCS_HW_DUMP_PRESENT, 202 OCS_HW_RESET_REQUIRED, 203 OCS_HW_FW_ERROR, 204 OCS_HW_FW_READY, 205 OCS_HW_HIGH_LOGIN_MODE, 206 OCS_HW_PREREGISTER_SGL, 207 OCS_HW_HW_REV1, 208 OCS_HW_HW_REV2, 209 OCS_HW_HW_REV3, 210 OCS_HW_LINKCFG, 211 OCS_HW_ETH_LICENSE, 212 OCS_HW_LINK_MODULE_TYPE, 213 OCS_HW_NUM_CHUTES, 214 OCS_HW_WAR_VERSION, 215 OCS_HW_DISABLE_AR_TGT_DIF, 216 OCS_HW_EMULATE_I_ONLY_AAB, /**< emulate IAAB=0 for initiator-commands only */ 217 OCS_HW_EMULATE_TARGET_WQE_TIMEOUT, /**< enable driver timeouts for target WQEs */ 218 OCS_HW_LINK_CONFIG_SPEED, 219 OCS_HW_CONFIG_TOPOLOGY, 220 OCS_HW_BOUNCE, 221 OCS_HW_PORTNUM, 222 OCS_HW_BIOS_VERSION_STRING, 223 OCS_HW_RQ_SELECT_POLICY, 224 OCS_HW_SGL_CHAINING_CAPABLE, 225 OCS_HW_SGL_CHAINING_ALLOWED, 226 OCS_HW_SGL_CHAINING_HOST_ALLOCATED, 227 OCS_HW_SEND_FRAME_CAPABLE, 228 OCS_HW_RQ_SELECTION_POLICY, 229 OCS_HW_RR_QUANTA, 230 OCS_HW_FILTER_DEF, 231 OCS_HW_MAX_VPORTS, 232 OCS_ESOC, 233 OCS_HW_FW_TIMED_OUT, 234} ocs_hw_property_e; 235 236enum { 237 OCS_HW_TOPOLOGY_AUTO, 238 OCS_HW_TOPOLOGY_NPORT, 239 OCS_HW_TOPOLOGY_LOOP, 240 OCS_HW_TOPOLOGY_NONE, 241 OCS_HW_TOPOLOGY_MAX 242}; 243 244enum { 245 OCS_HW_MODE_INITIATOR, 246 OCS_HW_MODE_TARGET, 247 OCS_HW_MODE_BOTH, 248 OCS_HW_MODE_MAX 249}; 250 251/** 252 * @brief Port protocols 253 */ 254 255typedef enum { 256 OCS_HW_PORT_PROTOCOL_ISCSI, 257 OCS_HW_PORT_PROTOCOL_FCOE, 258 OCS_HW_PORT_PROTOCOL_FC, 259 OCS_HW_PORT_PROTOCOL_OTHER, 260} ocs_hw_port_protocol_e; 261 262#define OCS_HW_MAX_PROFILES 40 263/** 264 * @brief A Profile Descriptor 265 */ 266typedef struct { 267 uint32_t profile_index; 268 uint32_t profile_id; 269 char profile_description[512]; 270} ocs_hw_profile_descriptor_t; 271 272/** 273 * @brief A Profile List 274 */ 275typedef struct { 276 uint32_t num_descriptors; 277 ocs_hw_profile_descriptor_t descriptors[OCS_HW_MAX_PROFILES]; 278} ocs_hw_profile_list_t; 279 280 281/** 282 * @brief Defines DIF operation modes 283 */ 284enum { 285 OCS_HW_DIF_MODE_INLINE, 286 OCS_HW_DIF_MODE_SEPARATE, 287}; 288 289/** 290 * @brief Defines the type of RQ buffer 291 */ 292typedef enum { 293 OCS_HW_RQ_BUFFER_TYPE_HDR, 294 OCS_HW_RQ_BUFFER_TYPE_PAYLOAD, 295 OCS_HW_RQ_BUFFER_TYPE_MAX, 296} ocs_hw_rq_buffer_type_e; 297 298/** 299 * @brief Defines a wrapper for the RQ payload buffers so that we can place it 300 * back on the proper queue. 301 */ 302typedef struct { 303 uint16_t rqindex; 304 ocs_dma_t dma; 305} ocs_hw_rq_buffer_t; 306 307/** 308 * @brief T10 DIF operations. 309 */ 310typedef enum { 311 OCS_HW_DIF_OPER_DISABLED, 312 OCS_HW_SGE_DIF_OP_IN_NODIF_OUT_CRC, 313 OCS_HW_SGE_DIF_OP_IN_CRC_OUT_NODIF, 314 OCS_HW_SGE_DIF_OP_IN_NODIF_OUT_CHKSUM, 315 OCS_HW_SGE_DIF_OP_IN_CHKSUM_OUT_NODIF, 316 OCS_HW_SGE_DIF_OP_IN_CRC_OUT_CRC, 317 OCS_HW_SGE_DIF_OP_IN_CHKSUM_OUT_CHKSUM, 318 OCS_HW_SGE_DIF_OP_IN_CRC_OUT_CHKSUM, 319 OCS_HW_SGE_DIF_OP_IN_CHKSUM_OUT_CRC, 320 OCS_HW_SGE_DIF_OP_IN_RAW_OUT_RAW, 321} ocs_hw_dif_oper_e; 322 323#define OCS_HW_DIF_OPER_PASS_THRU OCS_HW_SGE_DIF_OP_IN_CRC_OUT_CRC 324#define OCS_HW_DIF_OPER_STRIP OCS_HW_SGE_DIF_OP_IN_CRC_OUT_NODIF 325#define OCS_HW_DIF_OPER_INSERT OCS_HW_SGE_DIF_OP_IN_NODIF_OUT_CRC 326 327/** 328 * @brief T10 DIF block sizes. 329 */ 330typedef enum { 331 OCS_HW_DIF_BK_SIZE_512, 332 OCS_HW_DIF_BK_SIZE_1024, 333 OCS_HW_DIF_BK_SIZE_2048, 334 OCS_HW_DIF_BK_SIZE_4096, 335 OCS_HW_DIF_BK_SIZE_520, 336 OCS_HW_DIF_BK_SIZE_4104, 337 OCS_HW_DIF_BK_SIZE_NA = 0 338} ocs_hw_dif_blk_size_e; 339 340/** 341 * @brief Link configurations. 342 */ 343typedef enum { 344 OCS_HW_LINKCFG_4X10G = 0, 345 OCS_HW_LINKCFG_1X40G, 346 OCS_HW_LINKCFG_2X16G, 347 OCS_HW_LINKCFG_4X8G, 348 OCS_HW_LINKCFG_4X1G, 349 OCS_HW_LINKCFG_2X10G, 350 OCS_HW_LINKCFG_2X10G_2X8G, 351 352 /* must be last */ 353 OCS_HW_LINKCFG_NA, 354} ocs_hw_linkcfg_e; 355 356/** 357 * @brief link module types 358 * 359 * (note: these just happen to match SLI4 values) 360 */ 361 362enum { 363 OCS_HW_LINK_MODULE_TYPE_1GB = 0x0004, 364 OCS_HW_LINK_MODULE_TYPE_2GB = 0x0008, 365 OCS_HW_LINK_MODULE_TYPE_4GB = 0x0040, 366 OCS_HW_LINK_MODULE_TYPE_8GB = 0x0080, 367 OCS_HW_LINK_MODULE_TYPE_10GB = 0x0100, 368 OCS_HW_LINK_MODULE_TYPE_16GB = 0x0200, 369 OCS_HW_LINK_MODULE_TYPE_32GB = 0x0400, 370}; 371 372/** 373 * @brief T10 DIF information passed to the transport. 374 */ 375typedef struct ocs_hw_dif_info_s { 376 ocs_hw_dif_oper_e dif_oper; 377 ocs_hw_dif_blk_size_e blk_size; 378 uint32_t ref_tag_cmp; 379 uint32_t ref_tag_repl; 380 uint32_t app_tag_cmp:16, 381 app_tag_repl:16; 382 uint32_t check_ref_tag:1, 383 check_app_tag:1, 384 check_guard:1, 385 auto_incr_ref_tag:1, 386 repl_app_tag:1, 387 repl_ref_tag:1, 388 dif:2, 389 dif_separate:1, 390 391 /* If the APP TAG is 0xFFFF, disable checking the REF TAG and CRC fields */ 392 disable_app_ffff:1, 393 394 /* if the APP TAG is 0xFFFF and REF TAG is 0xFFFF_FFFF, disable checking the received CRC field. */ 395 disable_app_ref_ffff:1, 396 397 :21; 398 uint16_t dif_seed; 399} ocs_hw_dif_info_t; 400typedef enum { 401 OCS_HW_ELS_REQ, /**< ELS request */ 402 OCS_HW_ELS_RSP, /**< ELS response */ 403 OCS_HW_ELS_RSP_SID, /**< ELS response, override the S_ID */ 404 OCS_HW_FC_CT, /**< FC Common Transport */ 405 OCS_HW_FC_CT_RSP, /**< FC Common Transport Response */ 406 OCS_HW_BLS_ACC, /**< BLS accept (BA_ACC) */ 407 OCS_HW_BLS_ACC_SID, /**< BLS accept (BA_ACC), override the S_ID */ 408 OCS_HW_BLS_RJT, /**< BLS reject (BA_RJT) */ 409 OCS_HW_BCAST, /**< Class 3 broadcast sequence */ 410 OCS_HW_IO_TARGET_READ, 411 OCS_HW_IO_TARGET_WRITE, 412 OCS_HW_IO_TARGET_RSP, 413 OCS_HW_IO_INITIATOR_READ, 414 OCS_HW_IO_INITIATOR_WRITE, 415 OCS_HW_IO_INITIATOR_NODATA, 416 OCS_HW_IO_DNRX_REQUEUE, 417 OCS_HW_IO_MAX, 418} ocs_hw_io_type_e; 419 420typedef enum { 421 OCS_HW_IO_STATE_FREE, 422 OCS_HW_IO_STATE_INUSE, 423 OCS_HW_IO_STATE_WAIT_FREE, 424 OCS_HW_IO_STATE_WAIT_SEC_HIO, 425} ocs_hw_io_state_e; 426 427/* Descriptive strings for the HW IO request types (note: these must always 428 * match up with the ocs_hw_io_type_e declaration) */ 429#define OCS_HW_IO_TYPE_STRINGS \ 430 "ELS request", \ 431 "ELS response", \ 432 "ELS response(set SID)", \ 433 "FC CT request", \ 434 "BLS accept", \ 435 "BLS accept(set SID)", \ 436 "BLS reject", \ 437 "target read", \ 438 "target write", \ 439 "target response", \ 440 "initiator read", \ 441 "initiator write", \ 442 "initiator nodata", 443 444/** 445 * @brief HW command context. 446 * 447 * Stores the state for the asynchronous commands sent to the hardware. 448 */ 449typedef struct ocs_command_ctx_s { 450 ocs_list_t link; 451 /**< Callback function */ 452 int32_t (*cb)(struct ocs_hw_s *, int32_t, uint8_t *, void *); 453 void *arg; /**< Argument for callback */ 454 uint8_t *buf; /**< buffer holding command / results */ 455 void *ctx; /**< upper layer context */ 456} ocs_command_ctx_t; 457 458typedef struct ocs_hw_sgl_s { 459 uintptr_t addr; 460 size_t len; 461} ocs_hw_sgl_t; 462 463/** 464 * @brief HW callback type 465 * 466 * Typedef for HW "done" callback. 467 */ 468typedef int32_t (*ocs_hw_done_t)(struct ocs_hw_io_s *, ocs_remote_node_t *, uint32_t len, int32_t status, uint32_t ext, void *ul_arg); 469 470 471typedef union ocs_hw_io_param_u { 472 struct { 473 uint16_t ox_id; 474 uint16_t rx_id; 475 uint8_t payload[12]; /**< big enough for ABTS BA_ACC */ 476 } bls; 477 struct { 478 uint32_t s_id; 479 uint16_t ox_id; 480 uint16_t rx_id; 481 uint8_t payload[12]; /**< big enough for ABTS BA_ACC */ 482 } bls_sid; 483 struct { 484 uint8_t r_ctl; 485 uint8_t type; 486 uint8_t df_ctl; 487 uint8_t timeout; 488 } bcast; 489 struct { 490 uint16_t ox_id; 491 uint8_t timeout; 492 } els; 493 struct { 494 uint32_t s_id; 495 uint16_t ox_id; 496 uint8_t timeout; 497 } els_sid; 498 struct { 499 uint8_t r_ctl; 500 uint8_t type; 501 uint8_t df_ctl; 502 uint8_t timeout; 503 } fc_ct; 504 struct { 505 uint8_t r_ctl; 506 uint8_t type; 507 uint8_t df_ctl; 508 uint8_t timeout; 509 uint16_t ox_id; 510 } fc_ct_rsp; 511 struct { 512 uint32_t offset; 513 uint16_t ox_id; 514 uint16_t flags; 515 uint8_t cs_ctl; 516 ocs_hw_dif_oper_e dif_oper; 517 ocs_hw_dif_blk_size_e blk_size; 518 uint8_t timeout; 519 uint32_t app_id; 520 } fcp_tgt; 521 struct { 522 ocs_dma_t *cmnd; 523 ocs_dma_t *rsp; 524 ocs_hw_dif_oper_e dif_oper; 525 ocs_hw_dif_blk_size_e blk_size; 526 uint32_t cmnd_size; 527 uint16_t flags; 528 uint8_t timeout; 529 uint32_t first_burst; 530 } fcp_ini; 531} ocs_hw_io_param_t; 532 533/** 534 * @brief WQ steering mode 535 */ 536typedef enum { 537 OCS_HW_WQ_STEERING_CLASS, 538 OCS_HW_WQ_STEERING_REQUEST, 539 OCS_HW_WQ_STEERING_CPU, 540} ocs_hw_wq_steering_e; 541 542/** 543 * @brief HW wqe object 544 */ 545typedef struct { 546 uint32_t abort_wqe_submit_needed:1, /**< set if abort wqe needs to be submitted */ 547 send_abts:1, /**< set to 1 to have hardware to automatically send ABTS */ 548 auto_xfer_rdy_dnrx:1, /**< TRUE if DNRX was set on this IO */ 549 :29; 550 uint32_t id; 551 uint32_t abort_reqtag; 552 ocs_list_link_t link; 553 uint8_t *wqebuf; /**< work queue entry buffer */ 554} ocs_hw_wqe_t; 555 556/** 557 * @brief HW IO object. 558 * 559 * Stores the per-IO information necessary for both the lower (SLI) and upper 560 * layers (ocs). 561 */ 562struct ocs_hw_io_s { 563 /* Owned by HW */ 564 ocs_list_link_t link; /**< used for busy, wait_free, free lists */ 565 ocs_list_link_t wqe_link; /**< used for timed_wqe list */ 566 ocs_list_link_t dnrx_link; /**< used for io posted dnrx list */ 567 ocs_hw_io_state_e state; /**< state of IO: free, busy, wait_free */ 568 ocs_hw_wqe_t wqe; /**< Work queue object, with link for pending */ 569 ocs_lock_t axr_lock; /**< Lock to synchronize TRSP and AXT Data/Cmd Cqes */ 570 ocs_hw_t *hw; /**< pointer back to hardware context */ 571 ocs_remote_node_t *rnode; 572 struct ocs_hw_auto_xfer_rdy_buffer_s *axr_buf; 573 ocs_dma_t xfer_rdy; 574 uint16_t type; 575 uint32_t port_owned_abort_count; /**< IO abort count */ 576 hw_wq_t *wq; /**< WQ assigned to the exchange */ 577 uint32_t xbusy; /**< Exchange is active in FW */ 578 ocs_hw_done_t done; /**< Function called on IO completion */ 579 void *arg; /**< argument passed to "IO done" callback */ 580 ocs_hw_done_t abort_done; /**< Function called on abort completion */ 581 void *abort_arg; /**< argument passed to "abort done" callback */ 582 ocs_ref_t ref; /**< refcount object */ 583 size_t length; /**< needed for bug O127585: length of IO */ 584 uint8_t tgt_wqe_timeout; /**< timeout value for target WQEs */ 585 uint64_t submit_ticks; /**< timestamp when current WQE was submitted */ 586 587 uint32_t status_saved:1, /**< if TRUE, latched status should be returned */ 588 abort_in_progress:1, /**< if TRUE, abort is in progress */ 589 quarantine:1, /**< set if IO to be quarantined */ 590 quarantine_first_phase:1, /**< set if first phase of IO */ 591 is_port_owned:1, /**< set if POST_XRI was used to send XRI to th chip */ 592 auto_xfer_rdy_dnrx:1, /**< TRUE if DNRX was set on this IO */ 593 :26; 594 uint32_t saved_status; /**< latched status */ 595 uint32_t saved_len; /**< latched length */ 596 uint32_t saved_ext; /**< latched extended status */ 597 598 hw_eq_t *eq; /**< EQ that this HIO came up on */ 599 ocs_hw_wq_steering_e wq_steering; /**< WQ steering mode request */ 600 uint8_t wq_class; /**< WQ class if steering mode is Class */ 601 602 /* Owned by SLI layer */ 603 uint16_t reqtag; /**< request tag for this HW IO */ 604 uint32_t abort_reqtag; /**< request tag for an abort of this HW IO (note: this is a 32 bit value 605 to allow us to use UINT32_MAX as an uninitialized value) */ 606 uint32_t indicator; /**< XRI */ 607 ocs_dma_t def_sgl; /**< default scatter gather list */ 608 uint32_t def_sgl_count; /**< count of SGEs in default SGL */ 609 ocs_dma_t *sgl; /**< pointer to current active SGL */ 610 uint32_t sgl_count; /**< count of SGEs in io->sgl */ 611 uint32_t first_data_sge; /**< index of first data SGE */ 612 ocs_dma_t *ovfl_sgl; /**< overflow SGL */ 613 uint32_t ovfl_sgl_count; /**< count of SGEs in default SGL */ 614 sli4_lsp_sge_t *ovfl_lsp; /**< pointer to overflow segment length */ 615 ocs_hw_io_t *ovfl_io; /**< Used for SGL chaining on skyhawk */ 616 uint32_t n_sge; /**< number of active SGEs */ 617 uint32_t sge_offset; 618 619 /* BZ 161832 Workaround: */ 620 struct ocs_hw_io_s *sec_hio; /**< Secondary HW IO context */ 621 ocs_hw_io_param_t sec_iparam; /**< Secondary HW IO context saved iparam */ 622 uint32_t sec_len; /**< Secondary HW IO context saved len */ 623 624 /* Owned by upper layer */ 625 void *ul_io; /**< where upper layer can store reference to its IO */ 626}; 627 628typedef enum { 629 OCS_HW_PORT_INIT, 630 OCS_HW_PORT_SHUTDOWN, 631 OCS_HW_PORT_SET_LINK_CONFIG, 632} ocs_hw_port_e; 633 634/** 635 * @brief Fabric/Domain events 636 */ 637typedef enum { 638 OCS_HW_DOMAIN_ALLOC_OK, /**< domain successfully allocated */ 639 OCS_HW_DOMAIN_ALLOC_FAIL, /**< domain allocation failed */ 640 OCS_HW_DOMAIN_ATTACH_OK, /**< successfully attached to domain */ 641 OCS_HW_DOMAIN_ATTACH_FAIL, /**< domain attach failed */ 642 OCS_HW_DOMAIN_FREE_OK, /**< successfully freed domain */ 643 OCS_HW_DOMAIN_FREE_FAIL, /**< domain free failed */ 644 OCS_HW_DOMAIN_LOST, /**< previously discovered domain no longer available */ 645 OCS_HW_DOMAIN_FOUND, /**< new domain discovered */ 646 OCS_HW_DOMAIN_CHANGED, /**< previously discovered domain properties have changed */ 647} ocs_hw_domain_event_e; 648 649typedef enum { 650 OCS_HW_PORT_ALLOC_OK, /**< port successfully allocated */ 651 OCS_HW_PORT_ALLOC_FAIL, /**< port allocation failed */ 652 OCS_HW_PORT_ATTACH_OK, /**< successfully attached to port */ 653 OCS_HW_PORT_ATTACH_FAIL, /**< port attach failed */ 654 OCS_HW_PORT_FREE_OK, /**< successfully freed port */ 655 OCS_HW_PORT_FREE_FAIL, /**< port free failed */ 656} ocs_hw_port_event_e; 657 658typedef enum { 659 OCS_HW_NODE_ATTACH_OK, 660 OCS_HW_NODE_ATTACH_FAIL, 661 OCS_HW_NODE_FREE_OK, 662 OCS_HW_NODE_FREE_FAIL, 663 OCS_HW_NODE_FREE_ALL_OK, 664 OCS_HW_NODE_FREE_ALL_FAIL, 665} ocs_hw_remote_node_event_e; 666 667typedef enum { 668 OCS_HW_CB_DOMAIN, 669 OCS_HW_CB_PORT, 670 OCS_HW_CB_REMOTE_NODE, 671 OCS_HW_CB_UNSOLICITED, 672 OCS_HW_CB_BOUNCE, 673 OCS_HW_CB_MAX, /**< must be last */ 674} ocs_hw_callback_e; 675 676/** 677 * @brief HW unsolicited callback status 678 */ 679typedef enum { 680 OCS_HW_UNSOL_SUCCESS, 681 OCS_HW_UNSOL_ERROR, 682 OCS_HW_UNSOL_ABTS_RCVD, 683 OCS_HW_UNSOL_MAX, /**< must be last */ 684} ocs_hw_unsol_status_e; 685 686/** 687 * @brief Node group rpi reference 688 */ 689typedef struct { 690 ocs_atomic_t rpi_count; 691 ocs_atomic_t rpi_attached; 692} ocs_hw_rpi_ref_t; 693 694/** 695 * @brief HW link stat types 696 */ 697typedef enum { 698 OCS_HW_LINK_STAT_LINK_FAILURE_COUNT, 699 OCS_HW_LINK_STAT_LOSS_OF_SYNC_COUNT, 700 OCS_HW_LINK_STAT_LOSS_OF_SIGNAL_COUNT, 701 OCS_HW_LINK_STAT_PRIMITIVE_SEQ_COUNT, 702 OCS_HW_LINK_STAT_INVALID_XMIT_WORD_COUNT, 703 OCS_HW_LINK_STAT_CRC_COUNT, 704 OCS_HW_LINK_STAT_PRIMITIVE_SEQ_TIMEOUT_COUNT, 705 OCS_HW_LINK_STAT_ELASTIC_BUFFER_OVERRUN_COUNT, 706 OCS_HW_LINK_STAT_ARB_TIMEOUT_COUNT, 707 OCS_HW_LINK_STAT_ADVERTISED_RCV_B2B_CREDIT, 708 OCS_HW_LINK_STAT_CURR_RCV_B2B_CREDIT, 709 OCS_HW_LINK_STAT_ADVERTISED_XMIT_B2B_CREDIT, 710 OCS_HW_LINK_STAT_CURR_XMIT_B2B_CREDIT, 711 OCS_HW_LINK_STAT_RCV_EOFA_COUNT, 712 OCS_HW_LINK_STAT_RCV_EOFDTI_COUNT, 713 OCS_HW_LINK_STAT_RCV_EOFNI_COUNT, 714 OCS_HW_LINK_STAT_RCV_SOFF_COUNT, 715 OCS_HW_LINK_STAT_RCV_DROPPED_NO_AER_COUNT, 716 OCS_HW_LINK_STAT_RCV_DROPPED_NO_RPI_COUNT, 717 OCS_HW_LINK_STAT_RCV_DROPPED_NO_XRI_COUNT, 718 OCS_HW_LINK_STAT_MAX, /**< must be last */ 719} ocs_hw_link_stat_e; 720 721typedef enum { 722 OCS_HW_HOST_STAT_TX_KBYTE_COUNT, 723 OCS_HW_HOST_STAT_RX_KBYTE_COUNT, 724 OCS_HW_HOST_STAT_TX_FRAME_COUNT, 725 OCS_HW_HOST_STAT_RX_FRAME_COUNT, 726 OCS_HW_HOST_STAT_TX_SEQ_COUNT, 727 OCS_HW_HOST_STAT_RX_SEQ_COUNT, 728 OCS_HW_HOST_STAT_TOTAL_EXCH_ORIG, 729 OCS_HW_HOST_STAT_TOTAL_EXCH_RESP, 730 OCS_HW_HOSY_STAT_RX_P_BSY_COUNT, 731 OCS_HW_HOST_STAT_RX_F_BSY_COUNT, 732 OCS_HW_HOST_STAT_DROP_FRM_DUE_TO_NO_RQ_BUF_COUNT, 733 OCS_HW_HOST_STAT_EMPTY_RQ_TIMEOUT_COUNT, 734 OCS_HW_HOST_STAT_DROP_FRM_DUE_TO_NO_XRI_COUNT, 735 OCS_HW_HOST_STAT_EMPTY_XRI_POOL_COUNT, 736 OCS_HW_HOST_STAT_MAX /* MUST BE LAST */ 737} ocs_hw_host_stat_e; 738 739typedef enum { 740 OCS_HW_STATE_UNINITIALIZED, /* power-on, no allocations, no initializations */ 741 OCS_HW_STATE_QUEUES_ALLOCATED, /* chip is reset, allocations are complete (queues not registered) */ 742 OCS_HW_STATE_ACTIVE, /* chip is up an running */ 743 OCS_HW_STATE_RESET_IN_PROGRESS, /* chip is being reset */ 744 OCS_HW_STATE_TEARDOWN_IN_PROGRESS, /* teardown has been started */ 745} ocs_hw_state_e; 746 747/** 748 * @brief Defines a general FC sequence object, consisting of a header, payload buffers 749 * and a HW IO in the case of port owned XRI 750 */ 751typedef struct { 752 ocs_hw_t *hw; /**< HW that owns this sequence */ 753 /* sequence information */ 754 uint8_t fcfi; /**< FCFI associated with sequence */ 755 uint8_t auto_xrdy; /**< If auto XFER_RDY was generated */ 756 uint8_t out_of_xris; /**< If IO would have been assisted if XRIs were available */ 757 ocs_hw_rq_buffer_t *header; 758 ocs_hw_rq_buffer_t *payload; /**< received frame payload buffer */ 759 760 /* other "state" information from the SRB (sequence coalescing) */ 761 ocs_hw_unsol_status_e status; 762 uint32_t xri; /**< XRI associated with sequence; sequence coalescing only */ 763 ocs_hw_io_t *hio; /**< HW IO */ 764 765 ocs_list_link_t link; 766 void *hw_priv; /**< HW private context */ 767} ocs_hw_sequence_t; 768 769/** 770 * @brief Structure to track optimized write buffers posted to chip owned XRIs. 771 * 772 * Note: The rqindex will be set the following "fake" indexes. This will be used 773 * when the buffer is returned via ocs_seq_free() to make the buffer available 774 * for re-use on another XRI. 775 * 776 * The dma->alloc pointer on the dummy header will be used to get back to this structure when the buffer is freed. 777 * 778 * More of these object may be allocated on the fly if more XRIs are pushed to the chip. 779 */ 780#define OCS_HW_RQ_INDEX_DUMMY_HDR 0xFF00 781#define OCS_HW_RQ_INDEX_DUMMY_DATA 0xFF01 782typedef struct ocs_hw_auto_xfer_rdy_buffer_s { 783 fc_header_t hdr; /**< used to build a dummy data header for unsolicited processing */ 784 ocs_hw_rq_buffer_t header; /**< Points to the dummy data header */ 785 ocs_hw_rq_buffer_t payload; /**< received frame payload buffer */ 786 ocs_hw_sequence_t seq; /**< sequence for passing the buffers */ 787 uint8_t data_cqe; 788 uint8_t cmd_cqe; 789 790 /* fields saved from the command header that are needed when the data arrives */ 791 uint8_t fcfi; 792 793 /* To handle outof order completions save AXR cmd and data cqes */ 794 uint8_t call_axr_cmd; 795 uint8_t call_axr_data; 796 ocs_hw_sequence_t *cmd_seq; 797} ocs_hw_auto_xfer_rdy_buffer_t; 798 799/** 800 * @brief Node group rpi reference 801 */ 802typedef struct { 803 uint8_t overflow; 804 uint32_t counter; 805} ocs_hw_link_stat_counts_t; 806 807/** 808 * @brief HW object describing fc host stats 809 */ 810typedef struct { 811 uint32_t counter; 812} ocs_hw_host_stat_counts_t; 813 814#define TID_HASH_BITS 8 815#define TID_HASH_LEN (1U << TID_HASH_BITS) 816 817typedef struct ocs_hw_iopt_s { 818 char name[32]; 819 uint32_t instance_index; 820 ocs_thread_t iopt_thread; 821 ocs_cbuf_t *iopt_free_queue; /* multiple reader, multiple writer */ 822 ocs_cbuf_t *iopt_work_queue; 823 ocs_array_t *iopt_cmd_array; 824} ocs_hw_iopt_t; 825 826typedef enum { 827 HW_CQ_HANDLER_LOCAL, 828 HW_CQ_HANDLER_THREAD, 829} hw_cq_handler_e; 830 831#include "ocs_hw_queues.h" 832 833/** 834 * @brief Stucture used for the hash lookup of queue IDs 835 */ 836typedef struct { 837 uint32_t id:16, 838 in_use:1, 839 index:15; 840} ocs_queue_hash_t; 841 842/** 843 * @brief Define the fields required to implement the skyhawk DIF quarantine. 844 */ 845#define OCS_HW_QUARANTINE_QUEUE_DEPTH 4 846 847typedef struct { 848 uint32_t quarantine_index; 849 ocs_hw_io_t *quarantine_ios[OCS_HW_QUARANTINE_QUEUE_DEPTH]; 850} ocs_quarantine_info_t; 851 852/** 853 * @brief Define the WQ callback object 854 */ 855typedef struct { 856 uint16_t instance_index; /**< use for request tag */ 857 void (*callback)(void *arg, uint8_t *cqe, int32_t status); 858 void *arg; 859} hw_wq_callback_t; 860 861typedef struct { 862 uint64_t fwrev; 863 864 /* Control Declarations here ...*/ 865 866 uint8_t retain_tsend_io_length; 867 868 /* Use unregistered RPI */ 869 uint8_t use_unregistered_rpi; 870 uint32_t unregistered_rid; 871 uint32_t unregistered_index; 872 873 uint8_t disable_ar_tgt_dif; /* Disable auto response if target DIF */ 874 uint8_t disable_dump_loc; 875 uint8_t use_dif_quarantine; 876 uint8_t use_dif_sec_xri; 877 878 uint8_t override_fcfi; 879 880 uint8_t fw_version_too_low; 881 882 uint8_t sglc_misreported; 883 884 uint8_t ignore_send_frame; 885 886} ocs_hw_workaround_t; 887 888 889 890/** 891 * @brief HW object 892 */ 893struct ocs_hw_s { 894 ocs_os_handle_t os; 895 sli4_t sli; 896 uint16_t ulp_start; 897 uint16_t ulp_max; 898 uint32_t dump_size; 899 ocs_hw_state_e state; 900 uint8_t hw_setup_called; 901 uint8_t sliport_healthcheck; 902 uint16_t watchdog_timeout; 903 ocs_lock_t watchdog_lock; 904 905 /** HW configuration, subject to ocs_hw_set() */ 906 struct { 907 uint32_t n_eq; /**< number of event queues */ 908 uint32_t n_cq; /**< number of completion queues */ 909 uint32_t n_mq; /**< number of mailbox queues */ 910 uint32_t n_rq; /**< number of receive queues */ 911 uint32_t n_wq; /**< number of work queues */ 912 uint32_t n_io; /**< total number of IO objects */ 913 uint32_t n_sgl;/**< length of SGL */ 914 uint32_t speed; /** requested link speed in Mbps */ 915 uint32_t topology; /** requested link topology */ 916 uint32_t rq_default_buffer_size; /** size of the buffers for first burst */ 917 uint32_t auto_xfer_rdy_xri_cnt; /** Initial XRIs to post to chip at initialization */ 918 uint32_t auto_xfer_rdy_size; /** max size IO to use with this feature */ 919 uint8_t auto_xfer_rdy_blk_size_chip; /** block size to use with this feature */ 920 uint8_t esoc; 921 uint16_t dif_seed; /** The seed for the DIF CRC calculation */ 922 uint16_t auto_xfer_rdy_app_tag_value; 923 uint8_t dif_mode; /**< DIF mode to use */ 924 uint8_t i_only_aab; /** Enable initiator-only auto-abort */ 925 uint8_t emulate_tgt_wqe_timeout; /** Enable driver target wqe timeouts */ 926 uint32_t bounce:1; 927 const char *queue_topology; /**< Queue topology string */ 928 uint8_t auto_xfer_rdy_t10_enable; /** Enable t10 PI for auto xfer ready */ 929 uint8_t auto_xfer_rdy_p_type; /** p_type for auto xfer ready */ 930 uint8_t auto_xfer_rdy_ref_tag_is_lba; 931 uint8_t auto_xfer_rdy_app_tag_valid; 932 uint8_t rq_selection_policy; /** MRQ RQ selection policy */ 933 uint8_t rr_quanta; /** RQ quanta if rq_selection_policy == 2 */ 934 uint32_t filter_def[SLI4_CMD_REG_FCFI_NUM_RQ_CFG]; 935 } config; 936 937 /* calculated queue sizes for each type */ 938 uint32_t num_qentries[SLI_QTYPE_MAX]; 939 940 /* Storage for SLI queue objects */ 941 sli4_queue_t wq[OCS_HW_MAX_NUM_WQ]; 942 sli4_queue_t rq[OCS_HW_MAX_NUM_RQ]; 943 uint16_t hw_rq_lookup[OCS_HW_MAX_NUM_RQ]; 944 sli4_queue_t mq[OCS_HW_MAX_NUM_MQ]; 945 sli4_queue_t cq[OCS_HW_MAX_NUM_CQ]; 946 sli4_queue_t eq[OCS_HW_MAX_NUM_EQ]; 947 948 /* HW queue */ 949 uint32_t eq_count; 950 uint32_t cq_count; 951 uint32_t mq_count; 952 uint32_t wq_count; 953 uint32_t rq_count; /**< count of SLI RQs */ 954 ocs_list_t eq_list; 955 956 ocs_queue_hash_t cq_hash[OCS_HW_Q_HASH_SIZE]; 957 ocs_queue_hash_t rq_hash[OCS_HW_Q_HASH_SIZE]; 958 ocs_queue_hash_t wq_hash[OCS_HW_Q_HASH_SIZE]; 959 960 /* Storage for HW queue objects */ 961 hw_wq_t *hw_wq[OCS_HW_MAX_NUM_WQ]; 962 hw_rq_t *hw_rq[OCS_HW_MAX_NUM_RQ]; 963 hw_mq_t *hw_mq[OCS_HW_MAX_NUM_MQ]; 964 hw_cq_t *hw_cq[OCS_HW_MAX_NUM_CQ]; 965 hw_eq_t *hw_eq[OCS_HW_MAX_NUM_EQ]; 966 uint32_t hw_rq_count; /**< count of hw_rq[] entries */ 967 uint32_t hw_mrq_count; /**< count of multirq RQs */ 968 969 ocs_varray_t *wq_class_array[OCS_HW_MAX_WQ_CLASS]; /**< pool per class WQs */ 970 ocs_varray_t *wq_cpu_array[OCS_HW_MAX_WQ_CPU]; /**< pool per CPU WQs */ 971 972 /* Sequence objects used in incoming frame processing */ 973 ocs_array_t *seq_pool; 974 975 /* Auto XFER RDY Buffers - protect with io_lock */ 976 uint32_t auto_xfer_rdy_enabled:1, /**< TRUE if auto xfer rdy is enabled */ 977 :31; 978 ocs_pool_t *auto_xfer_rdy_buf_pool; /**< pool of ocs_hw_auto_xfer_rdy_buffer_t objects */ 979 980 /** Maintain an ordered, linked list of outstanding HW commands. */ 981 ocs_lock_t cmd_lock; 982 ocs_list_t cmd_head; 983 ocs_list_t cmd_pending; 984 uint32_t cmd_head_count; 985 986 987 sli4_link_event_t link; 988 ocs_hw_linkcfg_e linkcfg; /**< link configuration setting */ 989 uint32_t eth_license; /**< Ethernet license; to enable FCoE on Lancer */ 990 991 struct { 992 /** 993 * Function + argument used to notify upper layer of domain events. 994 * 995 * The final argument to the callback is a generic data pointer: 996 * - ocs_domain_record_t on OCS_HW_DOMAIN_FOUND 997 * - ocs_domain_t on OCS_HW_DOMAIN_ALLOC_FAIL, OCS_HW_DOMAIN_ALLOC_OK, 998 * OCS_HW_DOMAIN_FREE_FAIL, OCS_HW_DOMAIN_FREE_OK, 999 * OCS_HW_DOMAIN_ATTACH_FAIL, OCS_HW_DOMAIN_ATTACH_OK, and 1000 * OCS_HW_DOMAIN_LOST. 1001 */ 1002 int32_t (*domain)(void *, ocs_hw_domain_event_e, void *); 1003 /** 1004 * Function + argument used to notify upper layers of port events. 1005 * 1006 * The final argument to the callback is a pointer to the effected 1007 * SLI port for all events. 1008 */ 1009 int32_t (*port)(void *, ocs_hw_port_event_e, void *); 1010 /** Function + argument used to announce arrival of unsolicited frames */ 1011 int32_t (*unsolicited)(void *, ocs_hw_sequence_t *); 1012 int32_t (*rnode)(void *, ocs_hw_remote_node_event_e, void *); 1013 int32_t (*bounce)(void (*)(void *arg), void *arg, uint32_t s_id, uint32_t d_id, uint32_t ox_id); 1014 } callback; 1015 struct { 1016 void *domain; 1017 void *port; 1018 void *unsolicited; 1019 void *rnode; 1020 void *bounce; 1021 } args; 1022 1023 /* OCS domain objects index by FCFI */ 1024 int32_t first_domain_idx; /* Workaround for srb->fcfi == 0 */ 1025 ocs_domain_t *domains[SLI4_MAX_FCFI]; 1026 1027 /* Table of FCFI values index by FCF_index */ 1028 uint16_t fcf_index_fcfi[SLI4_MAX_FCF_INDEX]; 1029 1030 uint16_t fcf_indicator; 1031 1032 ocs_hw_io_t **io; /**< pointer array of IO objects */ 1033 uint8_t *wqe_buffs; /**< array of WQE buffs mapped to IO objects */ 1034 1035 ocs_lock_t io_lock; /**< IO lock to synchronize list access */ 1036 ocs_lock_t io_abort_lock; /**< IO lock to synchronize IO aborting */ 1037 ocs_list_t io_inuse; /**< List of IO objects in use */ 1038 ocs_list_t io_timed_wqe; /**< List of IO objects with a timed target WQE */ 1039 ocs_list_t io_wait_free; /**< List of IO objects waiting to be freed */ 1040 ocs_list_t io_free; /**< List of IO objects available for allocation */ 1041 ocs_list_t io_port_owned; /**< List of IO objects posted for chip use */ 1042 ocs_list_t io_port_dnrx; /**< List of IO objects needing auto xfer rdy buffers */ 1043 1044 ocs_dma_t loop_map; 1045 1046 ocs_dma_t xfer_rdy; 1047 1048 ocs_dma_t dump_sges; 1049 1050 ocs_dma_t rnode_mem; 1051 1052 ocs_dma_t domain_dmem; /*domain dma mem for service params */ 1053 ocs_dma_t fcf_dmem; /*dma men for fcf */ 1054 1055 ocs_hw_rpi_ref_t *rpi_ref; 1056 1057 char *hw_war_version; 1058 ocs_hw_workaround_t workaround; 1059 1060 ocs_atomic_t io_alloc_failed_count; 1061 1062#if defined(OCS_DEBUG_QUEUE_HISTORY) 1063 ocs_hw_q_hist_t q_hist; 1064#endif 1065 1066 ocs_list_t sec_hio_wait_list; /**< BZ 161832 Workaround: Secondary HW IO context wait list */ 1067 uint32_t sec_hio_wait_count; /**< BZ 161832 Workaround: Count of IOs that were put on the 1068 * Secondary HW IO wait list 1069 */ 1070 1071#define HW_MAX_TCMD_THREADS 16 1072 ocs_hw_qtop_t *qtop; /**< pointer to queue topology */ 1073 1074 uint32_t tcmd_wq_submit[OCS_HW_MAX_NUM_WQ]; /**< stat: wq sumbit count */ 1075 uint32_t tcmd_wq_complete[OCS_HW_MAX_NUM_WQ]; /**< stat: wq complete count */ 1076 1077 ocs_timer_t wqe_timer; /**< Timer to periodically check for WQE timeouts */ 1078 ocs_timer_t watchdog_timer; /**< Timer for heartbeat */ 1079 bool expiration_logged; 1080 uint32_t in_active_wqe_timer:1, /**< TRUE if currently in active wqe timer handler */ 1081 active_wqe_timer_shutdown:1, /** TRUE if wqe timer is to be shutdown */ 1082 :30; 1083 1084 ocs_list_t iopc_list; /**< list of IO processing contexts */ 1085 ocs_lock_t iopc_list_lock; /**< lock for iopc_list */ 1086 1087 ocs_pool_t *wq_reqtag_pool; /**< pool of hw_wq_callback_t objects */ 1088 1089 ocs_atomic_t send_frame_seq_id; /**< send frame sequence ID */ 1090}; 1091 1092 1093typedef enum { 1094 OCS_HW_IO_INUSE_COUNT, 1095 OCS_HW_IO_FREE_COUNT, 1096 OCS_HW_IO_WAIT_FREE_COUNT, 1097 OCS_HW_IO_PORT_OWNED_COUNT, 1098 OCS_HW_IO_N_TOTAL_IO_COUNT, 1099} ocs_hw_io_count_type_e; 1100 1101typedef void (*tcmd_cq_handler)(ocs_hw_t *hw, uint32_t cq_idx, void *cq_handler_arg); 1102 1103/* 1104 * HW queue data structures 1105 */ 1106 1107struct hw_eq_s { 1108 ocs_list_link_t link; /**< must be first */ 1109 sli4_qtype_e type; /**< must be second */ 1110 uint32_t instance; 1111 uint32_t entry_count; 1112 uint32_t entry_size; 1113 ocs_hw_t *hw; 1114 sli4_queue_t *queue; 1115 ocs_list_t cq_list; 1116#if OCS_STAT_ENABLE 1117 uint32_t use_count; 1118#endif 1119 ocs_varray_t *wq_array; /*<< array of WQs */ 1120}; 1121 1122struct hw_cq_s { 1123 ocs_list_link_t link; /*<< must be first */ 1124 sli4_qtype_e type; /**< must be second */ 1125 uint32_t instance; /*<< CQ instance (cq_idx) */ 1126 uint32_t entry_count; /*<< Number of entries */ 1127 uint32_t entry_size; /*<< entry size */ 1128 hw_eq_t *eq; /*<< parent EQ */ 1129 sli4_queue_t *queue; /**< pointer to SLI4 queue */ 1130 ocs_list_t q_list; /**< list of children queues */ 1131 1132#if OCS_STAT_ENABLE 1133 uint32_t use_count; 1134#endif 1135}; 1136 1137typedef struct { 1138 ocs_list_link_t link; /*<< must be first */ 1139 sli4_qtype_e type; /*<< must be second */ 1140} hw_q_t; 1141 1142struct hw_mq_s { 1143 ocs_list_link_t link; /*<< must be first */ 1144 sli4_qtype_e type; /*<< must be second */ 1145 uint32_t instance; 1146 1147 uint32_t entry_count; 1148 uint32_t entry_size; 1149 hw_cq_t *cq; 1150 sli4_queue_t *queue; 1151 1152#if OCS_STAT_ENABLE 1153 uint32_t use_count; 1154#endif 1155}; 1156 1157struct hw_wq_s { 1158 ocs_list_link_t link; /*<< must be first */ 1159 sli4_qtype_e type; /*<< must be second */ 1160 uint32_t instance; 1161 ocs_hw_t *hw; 1162 1163 uint32_t entry_count; 1164 uint32_t entry_size; 1165 hw_cq_t *cq; 1166 sli4_queue_t *queue; 1167 uint32_t class; 1168 uint8_t ulp; 1169 1170 /* WQ consumed */ 1171 uint32_t wqec_set_count; /*<< how often IOs are submitted with wqce set */ 1172 uint32_t wqec_count; /*<< current wqce counter */ 1173 uint32_t free_count; /*<< free count */ 1174 uint32_t total_submit_count; /*<< total submit count */ 1175 ocs_list_t pending_list; /*<< list of IOs pending for this WQ */ 1176 1177 /* 1178 * ---Skyhawk only --- 1179 * BZ 160124 - Driver must quarantine XRIs for target writes and 1180 * initiator read when using DIF separates. Throw them on a 1181 * queue until another 4 similar requests are completed to ensure they 1182 * are flushed from the internal chip cache before being re-used. 1183 * The must be a separate queue per CQ because the actual chip completion 1184 * order cannot be determined. Since each WQ has a separate CQ, use the wq 1185 * associated with the IO. 1186 * 1187 * Note: Protected by queue->lock 1188 */ 1189 ocs_quarantine_info_t quarantine_info; 1190 1191 /* 1192 * HW IO allocated for use with Send Frame 1193 */ 1194 ocs_hw_io_t *send_frame_io; 1195 1196 /* Stats */ 1197#if OCS_STAT_ENABLE 1198 uint32_t use_count; /*<< use count */ 1199 uint32_t wq_pending_count; /*<< count of HW IOs that were queued on the WQ pending list */ 1200#endif 1201}; 1202 1203struct hw_rq_s { 1204 ocs_list_link_t link; /*<< must be first */ 1205 sli4_qtype_e type; /*<< must be second */ 1206 uint32_t instance; 1207 1208 uint32_t entry_count; 1209 uint32_t hdr_entry_size; 1210 uint32_t first_burst_entry_size; 1211 uint32_t data_entry_size; 1212 uint8_t ulp; 1213 bool is_mrq; 1214 uint32_t base_mrq_id; 1215 1216 hw_cq_t *cq; 1217 1218 uint8_t filter_mask; /* Filter mask value */ 1219 sli4_queue_t *hdr; 1220 sli4_queue_t *first_burst; 1221 sli4_queue_t *data; 1222 1223 ocs_hw_rq_buffer_t *hdr_buf; 1224 ocs_hw_rq_buffer_t *fb_buf; 1225 ocs_hw_rq_buffer_t *payload_buf; 1226 1227 ocs_hw_sequence_t **rq_tracker; /* RQ tracker for this RQ */ 1228#if OCS_STAT_ENABLE 1229 uint32_t use_count; 1230 uint32_t hdr_use_count; 1231 uint32_t fb_use_count; 1232 uint32_t payload_use_count; 1233#endif 1234}; 1235 1236typedef struct ocs_hw_global_s { 1237 const char *queue_topology_string; /**< queue topology string */ 1238} ocs_hw_global_t; 1239extern ocs_hw_global_t hw_global; 1240 1241extern hw_eq_t *hw_new_eq(ocs_hw_t *hw, uint32_t entry_count); 1242extern hw_cq_t *hw_new_cq(hw_eq_t *eq, uint32_t entry_count); 1243extern uint32_t hw_new_cq_set(hw_eq_t *eqs[], hw_cq_t *cqs[], uint32_t num_cqs, uint32_t entry_count); 1244extern hw_mq_t *hw_new_mq(hw_cq_t *cq, uint32_t entry_count); 1245extern hw_wq_t *hw_new_wq(hw_cq_t *cq, uint32_t entry_count, uint32_t class, uint32_t ulp); 1246extern hw_rq_t *hw_new_rq(hw_cq_t *cq, uint32_t entry_count, uint32_t ulp); 1247extern uint32_t hw_new_rq_set(hw_cq_t *cqs[], hw_rq_t *rqs[], uint32_t num_rq_pairs, uint32_t entry_count, uint32_t ulp); 1248extern void hw_del_eq(hw_eq_t *eq); 1249extern void hw_del_cq(hw_cq_t *cq); 1250extern void hw_del_mq(hw_mq_t *mq); 1251extern void hw_del_wq(hw_wq_t *wq); 1252extern void hw_del_rq(hw_rq_t *rq); 1253extern void hw_queue_dump(ocs_hw_t *hw); 1254extern void hw_queue_teardown(ocs_hw_t *hw); 1255extern int32_t hw_route_rqe(ocs_hw_t *hw, ocs_hw_sequence_t *seq); 1256extern int32_t ocs_hw_queue_hash_find(ocs_queue_hash_t *, uint16_t); 1257extern ocs_hw_rtn_e ocs_hw_setup(ocs_hw_t *, ocs_os_handle_t, sli4_port_type_e); 1258extern ocs_hw_rtn_e ocs_hw_init(ocs_hw_t *); 1259extern ocs_hw_rtn_e ocs_hw_teardown(ocs_hw_t *); 1260extern ocs_hw_rtn_e ocs_hw_reset(ocs_hw_t *, ocs_hw_reset_e); 1261extern int32_t ocs_hw_get_num_eq(ocs_hw_t *); 1262extern ocs_hw_rtn_e ocs_hw_get(ocs_hw_t *, ocs_hw_property_e, uint32_t *); 1263extern void *ocs_hw_get_ptr(ocs_hw_t *, ocs_hw_property_e); 1264extern ocs_hw_rtn_e ocs_hw_set(ocs_hw_t *, ocs_hw_property_e, uint32_t); 1265extern ocs_hw_rtn_e ocs_hw_set_ptr(ocs_hw_t *, ocs_hw_property_e, void*); 1266extern int32_t ocs_hw_event_check(ocs_hw_t *, uint32_t); 1267extern int32_t ocs_hw_process(ocs_hw_t *, uint32_t, uint32_t); 1268extern ocs_hw_rtn_e ocs_hw_command(ocs_hw_t *, uint8_t *, uint32_t, void *, void *); 1269extern ocs_hw_rtn_e ocs_hw_callback(ocs_hw_t *, ocs_hw_callback_e, void *, void *); 1270extern ocs_hw_rtn_e ocs_hw_port_alloc(ocs_hw_t *, ocs_sli_port_t *, ocs_domain_t *, uint8_t *); 1271extern ocs_hw_rtn_e ocs_hw_port_attach(ocs_hw_t *, ocs_sli_port_t *, uint32_t); 1272typedef void (*ocs_hw_port_control_cb_t)(int32_t status, uintptr_t value, void *arg); 1273extern ocs_hw_rtn_e ocs_hw_port_control(ocs_hw_t *, ocs_hw_port_e, uintptr_t, ocs_hw_port_control_cb_t, void *); 1274extern ocs_hw_rtn_e ocs_hw_port_free(ocs_hw_t *, ocs_sli_port_t *); 1275extern ocs_hw_rtn_e ocs_hw_domain_alloc(ocs_hw_t *, ocs_domain_t *, uint32_t, uint32_t); 1276extern ocs_hw_rtn_e ocs_hw_domain_attach(ocs_hw_t *, ocs_domain_t *, uint32_t); 1277extern ocs_hw_rtn_e ocs_hw_domain_free(ocs_hw_t *, ocs_domain_t *); 1278extern ocs_hw_rtn_e ocs_hw_domain_force_free(ocs_hw_t *, ocs_domain_t *); 1279extern ocs_domain_t * ocs_hw_domain_get(ocs_hw_t *, uint16_t); 1280extern ocs_hw_rtn_e ocs_hw_node_alloc(ocs_hw_t *, ocs_remote_node_t *, uint32_t, ocs_sli_port_t *); 1281extern ocs_hw_rtn_e ocs_hw_node_free_all(ocs_hw_t *); 1282extern ocs_hw_rtn_e ocs_hw_node_attach(ocs_hw_t *, ocs_remote_node_t *, ocs_dma_t *); 1283extern ocs_hw_rtn_e ocs_hw_node_detach(ocs_hw_t *, ocs_remote_node_t *); 1284extern ocs_hw_rtn_e ocs_hw_node_free_resources(ocs_hw_t *, ocs_remote_node_t *); 1285extern ocs_hw_rtn_e ocs_hw_node_group_alloc(ocs_hw_t *, ocs_remote_node_group_t *); 1286extern ocs_hw_rtn_e ocs_hw_node_group_attach(ocs_hw_t *, ocs_remote_node_group_t *, ocs_remote_node_t *); 1287extern ocs_hw_rtn_e ocs_hw_node_group_free(ocs_hw_t *, ocs_remote_node_group_t *); 1288extern ocs_hw_io_t *ocs_hw_io_alloc(ocs_hw_t *); 1289extern ocs_hw_io_t *ocs_hw_io_activate_port_owned(ocs_hw_t *, ocs_hw_io_t *); 1290extern int32_t ocs_hw_io_free(ocs_hw_t *, ocs_hw_io_t *); 1291extern uint8_t ocs_hw_io_inuse(ocs_hw_t *hw, ocs_hw_io_t *io); 1292typedef int32_t (*ocs_hw_srrs_cb_t)(ocs_hw_io_t *io, ocs_remote_node_t *rnode, uint32_t length, int32_t status, uint32_t ext_status, void *arg); 1293extern ocs_hw_rtn_e ocs_hw_srrs_send(ocs_hw_t *, ocs_hw_io_type_e, ocs_hw_io_t *, ocs_dma_t *, uint32_t, ocs_dma_t *, ocs_remote_node_t *, ocs_hw_io_param_t *, ocs_hw_srrs_cb_t, void *); 1294extern ocs_hw_rtn_e ocs_hw_io_send(ocs_hw_t *, ocs_hw_io_type_e, ocs_hw_io_t *, uint32_t, ocs_hw_io_param_t *, ocs_remote_node_t *, void *, void *); 1295extern ocs_hw_rtn_e _ocs_hw_io_send(ocs_hw_t *hw, ocs_hw_io_type_e type, ocs_hw_io_t *io, 1296 uint32_t len, ocs_hw_io_param_t *iparam, ocs_remote_node_t *rnode, 1297 void *cb, void *arg); 1298extern ocs_hw_rtn_e ocs_hw_io_register_sgl(ocs_hw_t *, ocs_hw_io_t *, ocs_dma_t *, uint32_t); 1299extern ocs_hw_rtn_e ocs_hw_io_init_sges(ocs_hw_t *hw, ocs_hw_io_t *io, ocs_hw_io_type_e type); 1300extern ocs_hw_rtn_e ocs_hw_io_add_seed_sge(ocs_hw_t *hw, ocs_hw_io_t *io, ocs_hw_dif_info_t *dif_info); 1301extern ocs_hw_rtn_e ocs_hw_io_add_sge(ocs_hw_t *, ocs_hw_io_t *, uintptr_t, uint32_t); 1302extern ocs_hw_rtn_e ocs_hw_io_add_dif_sge(ocs_hw_t *hw, ocs_hw_io_t *io, uintptr_t addr); 1303extern ocs_hw_rtn_e ocs_hw_io_abort(ocs_hw_t *, ocs_hw_io_t *, uint32_t, void *, void *); 1304extern int32_t ocs_hw_io_get_xid(ocs_hw_t *, ocs_hw_io_t *); 1305extern uint32_t ocs_hw_io_get_count(ocs_hw_t *, ocs_hw_io_count_type_e); 1306extern uint32_t ocs_hw_get_rqes_produced_count(ocs_hw_t *hw); 1307 1308typedef void (*ocs_hw_fw_cb_t)(int32_t status, uint32_t bytes_written, uint32_t change_status, void *arg); 1309extern ocs_hw_rtn_e ocs_hw_firmware_write(ocs_hw_t *, ocs_dma_t *, uint32_t, uint32_t, int, ocs_hw_fw_cb_t, void*); 1310 1311/* Function for retrieving SFP data */ 1312typedef void (*ocs_hw_sfp_cb_t)(void *, int32_t, uint32_t, uint32_t *, void *); 1313extern ocs_hw_rtn_e ocs_hw_get_sfp(ocs_hw_t *, uint16_t, ocs_hw_sfp_cb_t, void *); 1314 1315/* Function for retrieving temperature data */ 1316typedef void (*ocs_hw_temp_cb_t)(int32_t status, 1317 uint32_t curr_temp, 1318 uint32_t crit_temp_thrshld, 1319 uint32_t warn_temp_thrshld, 1320 uint32_t norm_temp_thrshld, 1321 uint32_t fan_off_thrshld, 1322 uint32_t fan_on_thrshld, 1323 void *arg); 1324extern ocs_hw_rtn_e ocs_hw_get_temperature(ocs_hw_t *, ocs_hw_temp_cb_t, void*); 1325 1326/* Function for retrieving link statistics */ 1327typedef void (*ocs_hw_link_stat_cb_t)(int32_t status, 1328 uint32_t num_counters, 1329 ocs_hw_link_stat_counts_t *counters, 1330 void *arg); 1331extern ocs_hw_rtn_e ocs_hw_get_link_stats(ocs_hw_t *, 1332 uint8_t req_ext_counters, 1333 uint8_t clear_overflow_flags, 1334 uint8_t clear_all_counters, 1335 ocs_hw_link_stat_cb_t, void*); 1336/* Function for retrieving host statistics */ 1337typedef void (*ocs_hw_host_stat_cb_t)(int32_t status, 1338 uint32_t num_counters, 1339 ocs_hw_host_stat_counts_t *counters, 1340 void *arg); 1341extern ocs_hw_rtn_e ocs_hw_get_host_stats(ocs_hw_t *hw, uint8_t cc, ocs_hw_host_stat_cb_t, void *arg); 1342 1343extern ocs_hw_rtn_e ocs_hw_raise_ue(ocs_hw_t *, uint8_t); 1344typedef void (*ocs_hw_dump_get_cb_t)(int32_t status, uint32_t bytes_read, uint8_t eof, void *arg); 1345extern ocs_hw_rtn_e ocs_hw_dump_get(ocs_hw_t *, ocs_dma_t *, uint32_t, uint32_t, ocs_hw_dump_get_cb_t, void *); 1346extern ocs_hw_rtn_e ocs_hw_set_dump_location(ocs_hw_t *, uint32_t, ocs_dma_t *, uint8_t); 1347 1348typedef void (*ocs_get_port_protocol_cb_t)(int32_t status, ocs_hw_port_protocol_e port_protocol, void *arg); 1349extern ocs_hw_rtn_e ocs_hw_get_port_protocol(ocs_hw_t *hw, uint32_t pci_func, ocs_get_port_protocol_cb_t mgmt_cb, void* ul_arg); 1350typedef void (*ocs_set_port_protocol_cb_t)(int32_t status, void *arg); 1351extern ocs_hw_rtn_e ocs_hw_set_port_protocol(ocs_hw_t *hw, ocs_hw_port_protocol_e profile, 1352 uint32_t pci_func, ocs_set_port_protocol_cb_t mgmt_cb, 1353 void* ul_arg); 1354 1355typedef void (*ocs_get_profile_list_cb_t)(int32_t status, ocs_hw_profile_list_t*, void *arg); 1356extern ocs_hw_rtn_e ocs_hw_get_profile_list(ocs_hw_t *hw, ocs_get_profile_list_cb_t mgmt_cb, void *arg); 1357typedef void (*ocs_get_active_profile_cb_t)(int32_t status, uint32_t active_profile, void *arg); 1358extern ocs_hw_rtn_e ocs_hw_get_active_profile(ocs_hw_t *hw, ocs_get_active_profile_cb_t mgmt_cb, void *arg); 1359typedef void (*ocs_set_active_profile_cb_t)(int32_t status, void *arg); 1360extern ocs_hw_rtn_e ocs_hw_set_active_profile(ocs_hw_t *hw, ocs_set_active_profile_cb_t mgmt_cb, 1361 uint32_t profile_id, void *arg); 1362typedef void (*ocs_get_nvparms_cb_t)(int32_t status, uint8_t *wwpn, uint8_t *wwnn, uint8_t hard_alpa, 1363 uint32_t preferred_d_id, void *arg); 1364extern ocs_hw_rtn_e ocs_hw_get_nvparms(ocs_hw_t *hw, ocs_get_nvparms_cb_t mgmt_cb, void *arg); 1365typedef void (*ocs_set_nvparms_cb_t)(int32_t status, void *arg); 1366extern ocs_hw_rtn_e ocs_hw_set_nvparms(ocs_hw_t *hw, ocs_set_nvparms_cb_t mgmt_cb, uint8_t *wwpn, 1367 uint8_t *wwnn, uint8_t hard_alpa, uint32_t preferred_d_id, void *arg); 1368extern int32_t ocs_hw_eq_process(ocs_hw_t *hw, hw_eq_t *eq, uint32_t max_isr_time_msec); 1369extern void ocs_hw_cq_process(ocs_hw_t *hw, hw_cq_t *cq); 1370extern void ocs_hw_wq_process(ocs_hw_t *hw, hw_cq_t *cq, uint8_t *cqe, int32_t status, uint16_t rid); 1371extern void ocs_hw_xabt_process(ocs_hw_t *hw, hw_cq_t *cq, uint8_t *cqe, uint16_t rid); 1372extern int32_t hw_wq_write(hw_wq_t *wq, ocs_hw_wqe_t *wqe); 1373 1374typedef void (*ocs_hw_dump_clear_cb_t)(int32_t status, void *arg); 1375extern ocs_hw_rtn_e ocs_hw_dump_clear(ocs_hw_t *, ocs_hw_dump_clear_cb_t, void *); 1376 1377extern uint8_t ocs_hw_is_io_port_owned(ocs_hw_t *hw, ocs_hw_io_t *io); 1378 1379 1380extern uint8_t ocs_hw_is_xri_port_owned(ocs_hw_t *hw, uint32_t xri); 1381extern ocs_hw_io_t * ocs_hw_io_lookup(ocs_hw_t *hw, uint32_t indicator); 1382extern uint32_t ocs_hw_xri_move_to_port_owned(ocs_hw_t *hw, uint32_t num_xri); 1383extern ocs_hw_rtn_e ocs_hw_xri_move_to_host_owned(ocs_hw_t *hw, uint8_t num_xri); 1384extern int32_t ocs_hw_reque_xri(ocs_hw_t *hw, ocs_hw_io_t *io); 1385 1386 1387typedef struct { 1388 /* structure elements used by HW */ 1389 ocs_hw_t *hw; /**> pointer to HW */ 1390 hw_wq_callback_t *wqcb; /**> WQ callback object, request tag */ 1391 ocs_hw_wqe_t wqe; /**> WQE buffer object (may be queued on WQ pending list) */ 1392 void (*callback)(int32_t status, void *arg); /**> final callback function */ 1393 void *arg; /**> final callback argument */ 1394 1395 /* General purpose elements */ 1396 ocs_hw_sequence_t *seq; 1397 ocs_dma_t payload; /**> a payload DMA buffer */ 1398} ocs_hw_send_frame_context_t; 1399 1400 1401#define OCS_HW_OBJECT_G5 0xfeaa0001 1402#define OCS_HW_OBJECT_G6 0xfeaa0003 1403#define OCS_FILE_TYPE_GROUP 0xf7 1404#define OCS_FILE_ID_GROUP 0xa2 1405struct ocs_hw_grp_hdr { 1406 uint32_t size; 1407 uint32_t magic_number; 1408 uint32_t word2; 1409 uint8_t rev_name[128]; 1410 uint8_t date[12]; 1411 uint8_t revision[32]; 1412}; 1413 1414 1415ocs_hw_rtn_e 1416ocs_hw_send_frame(ocs_hw_t *hw, fc_header_le_t *hdr, uint8_t sof, uint8_t eof, ocs_dma_t *payload, 1417 ocs_hw_send_frame_context_t *ctx, 1418 void (*callback)(void *arg, uint8_t *cqe, int32_t status), void *arg); 1419 1420/* RQ completion handlers for RQ pair mode */ 1421extern int32_t ocs_hw_rqpair_process_rq(ocs_hw_t *hw, hw_cq_t *cq, uint8_t *cqe); 1422extern ocs_hw_rtn_e ocs_hw_rqpair_sequence_free(ocs_hw_t *hw, ocs_hw_sequence_t *seq); 1423extern int32_t ocs_hw_rqpair_process_auto_xfr_rdy_cmd(ocs_hw_t *hw, hw_cq_t *cq, uint8_t *cqe); 1424extern int32_t ocs_hw_rqpair_process_auto_xfr_rdy_data(ocs_hw_t *hw, hw_cq_t *cq, uint8_t *cqe); 1425extern ocs_hw_rtn_e ocs_hw_rqpair_init(ocs_hw_t *hw); 1426extern ocs_hw_rtn_e ocs_hw_rqpair_auto_xfer_rdy_buffer_alloc(ocs_hw_t *hw, uint32_t num_buffers); 1427extern uint8_t ocs_hw_rqpair_auto_xfer_rdy_buffer_post(ocs_hw_t *hw, ocs_hw_io_t *io, int reuse_buf); 1428extern ocs_hw_rtn_e ocs_hw_rqpair_auto_xfer_rdy_move_to_port(ocs_hw_t *hw, ocs_hw_io_t *io); 1429extern void ocs_hw_rqpair_auto_xfer_rdy_move_to_host(ocs_hw_t *hw, ocs_hw_io_t *io); 1430extern void ocs_hw_rqpair_teardown(ocs_hw_t *hw); 1431 1432extern ocs_hw_rtn_e ocs_hw_rx_allocate(ocs_hw_t *hw); 1433extern ocs_hw_rtn_e ocs_hw_rx_post(ocs_hw_t *hw); 1434extern void ocs_hw_rx_free(ocs_hw_t *hw); 1435 1436extern void ocs_hw_unsol_process_bounce(void *arg); 1437 1438typedef int32_t (*ocs_hw_async_cb_t)(ocs_hw_t *hw, int32_t status, uint8_t *mqe, void *arg); 1439extern int32_t ocs_hw_async_call(ocs_hw_t *hw, ocs_hw_async_cb_t callback, void *arg); 1440 1441static inline void 1442ocs_hw_sequence_copy(ocs_hw_sequence_t *dst, ocs_hw_sequence_t *src) 1443{ 1444 /* Copy the src to dst, then zero out the linked list link */ 1445 *dst = *src; 1446 ocs_memset(&dst->link, 0, sizeof(dst->link)); 1447} 1448 1449static inline ocs_hw_rtn_e 1450ocs_hw_sequence_free(ocs_hw_t *hw, ocs_hw_sequence_t *seq) 1451{ 1452 /* Only RQ pair mode is supported */ 1453 return ocs_hw_rqpair_sequence_free(hw, seq); 1454} 1455 1456/* HW WQ request tag API */ 1457extern ocs_hw_rtn_e ocs_hw_reqtag_init(ocs_hw_t *hw); 1458extern hw_wq_callback_t *ocs_hw_reqtag_alloc(ocs_hw_t *hw, 1459 void (*callback)(void *arg, uint8_t *cqe, int32_t status), void *arg); 1460extern void ocs_hw_reqtag_free(ocs_hw_t *hw, hw_wq_callback_t *wqcb); 1461extern hw_wq_callback_t *ocs_hw_reqtag_get_instance(ocs_hw_t *hw, uint32_t instance_index); 1462extern void ocs_hw_reqtag_reset(ocs_hw_t *hw); 1463 1464 1465extern uint32_t ocs_hw_dif_blocksize(ocs_hw_dif_info_t *dif_info); 1466extern int32_t ocs_hw_dif_mem_blocksize(ocs_hw_dif_info_t *dif_info, int wiretomem); 1467extern int32_t ocs_hw_dif_wire_blocksize(ocs_hw_dif_info_t *dif_info, int wiretomem); 1468extern uint32_t ocs_hw_get_def_wwn(ocs_t *ocs, uint32_t chan, uint64_t *wwpn, uint64_t *wwnn); 1469 1470/* Uncomment to enable CPUTRACE */ 1471//#define ENABLE_CPUTRACE 1472#ifdef ENABLE_CPUTRACE 1473#define CPUTRACE(t) ocs_printf("trace: %-20s %2s %-16s cpu %2d\n", __func__, t, \ 1474 ({ocs_thread_t *self = ocs_thread_self(); self != NULL ? self->name : "unknown";}), ocs_thread_getcpu()); 1475#else 1476#define CPUTRACE(...) 1477#endif 1478 1479 1480/* Two levels of macro needed due to expansion */ 1481#define HW_FWREV(a,b,c,d) (((uint64_t)(a) << 48) | ((uint64_t)(b) << 32) | ((uint64_t)(c) << 16) | ((uint64_t)(d))) 1482#define HW_FWREV_1(x) HW_FWREV(x) 1483 1484#define OCS_FW_VER_STR2(a,b,c,d) #a "." #b "." #c "." #d 1485#define OCS_FW_VER_STR(x) OCS_FW_VER_STR2(x) 1486 1487#define OCS_MIN_FW_VER_LANCER 10,4,255,0 1488#define OCS_MIN_FW_VER_SKYHAWK 10,4,255,0 1489 1490extern void ocs_hw_workaround_setup(struct ocs_hw_s *hw); 1491 1492 1493/** 1494 * @brief Defines the number of the RQ buffers for each RQ 1495 */ 1496 1497#ifndef OCS_HW_RQ_NUM_HDR 1498#define OCS_HW_RQ_NUM_HDR 1024 1499#endif 1500 1501#ifndef OCS_HW_RQ_NUM_PAYLOAD 1502#define OCS_HW_RQ_NUM_PAYLOAD 1024 1503#endif 1504 1505/** 1506 * @brief Defines the size of the RQ buffers used for each RQ 1507 */ 1508#ifndef OCS_HW_RQ_SIZE_HDR 1509#define OCS_HW_RQ_SIZE_HDR 128 1510#endif 1511 1512#ifndef OCS_HW_RQ_SIZE_PAYLOAD 1513#define OCS_HW_RQ_SIZE_PAYLOAD 1024 1514#endif 1515 1516/* 1517 * @brief Define the maximum number of multi-receive queues 1518 */ 1519#ifndef OCS_HW_MAX_MRQS 1520#define OCS_HW_MAX_MRQS 8 1521#endif 1522 1523/* 1524 * @brief Define count of when to set the WQEC bit in a submitted 1525 * WQE, causing a consummed/released completion to be posted. 1526 */ 1527#ifndef OCS_HW_WQEC_SET_COUNT 1528#define OCS_HW_WQEC_SET_COUNT 32 1529#endif 1530 1531/* 1532 * @brief Send frame timeout in seconds 1533 */ 1534#ifndef OCS_HW_SEND_FRAME_TIMEOUT 1535#define OCS_HW_SEND_FRAME_TIMEOUT 10 1536#endif 1537 1538/* 1539 * @brief FDT Transfer Hint value, reads greater than this value 1540 * will be segmented to implement fairness. A value of zero disables 1541 * the feature. 1542 */ 1543#ifndef OCS_HW_FDT_XFER_HINT 1544#define OCS_HW_FDT_XFER_HINT 8192 1545#endif 1546 1547#endif /* !_OCS_HW_H */ 1548