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