1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term * 5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * 6 * Copyright (C) 2009-2016 Emulex. All rights reserved. * 7 * EMULEX and SLI are trademarks of Emulex. * 8 * www.broadcom.com * 9 * * 10 * This program is free software; you can redistribute it and/or * 11 * modify it under the terms of version 2 of the GNU General * 12 * Public License as published by the Free Software Foundation. * 13 * This program is distributed in the hope that it will be useful. * 14 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 15 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 16 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 17 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 18 * TO BE LEGALLY INVALID. See the GNU General Public License for * 19 * more details, a copy of which can be found in the file COPYING * 20 * included with this package. * 21 *******************************************************************/ 22 23 #define LPFC_ACTIVE_MBOX_WAIT_CNT 100 24 #define LPFC_XRI_EXCH_BUSY_WAIT_TMO 10000 25 #define LPFC_XRI_EXCH_BUSY_WAIT_T1 10 26 #define LPFC_XRI_EXCH_BUSY_WAIT_T2 30000 27 #define LPFC_RPI_LOW_WATER_MARK 10 28 29 #define LPFC_UNREG_FCF 1 30 #define LPFC_SKIP_UNREG_FCF 0 31 32 /* Amount of time in seconds for waiting FCF rediscovery to complete */ 33 #define LPFC_FCF_REDISCOVER_WAIT_TMO 2000 /* msec */ 34 35 /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */ 36 #define LPFC_NEMBED_MBOX_SGL_CNT 254 37 38 /* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */ 39 #define LPFC_HBA_IO_CHAN_MIN 0 40 #define LPFC_HBA_IO_CHAN_MAX 32 41 #define LPFC_FCP_IO_CHAN_DEF 4 42 #define LPFC_NVME_IO_CHAN_DEF 0 43 44 /* Number of channels used for Flash Optimized Fabric (FOF) operations */ 45 46 #define LPFC_FOF_IO_CHAN_NUM 1 47 48 /* 49 * Provide the default FCF Record attributes used by the driver 50 * when nonFIP mode is configured and there is no other default 51 * FCF Record attributes. 52 */ 53 #define LPFC_FCOE_FCF_DEF_INDEX 0 54 #define LPFC_FCOE_FCF_GET_FIRST 0xFFFF 55 #define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF 56 57 #define LPFC_FCOE_NULL_VID 0xFFF 58 #define LPFC_FCOE_IGNORE_VID 0xFFFF 59 60 /* First 3 bytes of default FCF MAC is specified by FC_MAP */ 61 #define LPFC_FCOE_FCF_MAC3 0xFF 62 #define LPFC_FCOE_FCF_MAC4 0xFF 63 #define LPFC_FCOE_FCF_MAC5 0xFE 64 #define LPFC_FCOE_FCF_MAP0 0x0E 65 #define LPFC_FCOE_FCF_MAP1 0xFC 66 #define LPFC_FCOE_FCF_MAP2 0x00 67 #define LPFC_FCOE_MAX_RCV_SIZE 0x800 68 #define LPFC_FCOE_FKA_ADV_PER 0 69 #define LPFC_FCOE_FIP_PRIORITY 0x80 70 71 #define sli4_sid_from_fc_hdr(fc_hdr) \ 72 ((fc_hdr)->fh_s_id[0] << 16 | \ 73 (fc_hdr)->fh_s_id[1] << 8 | \ 74 (fc_hdr)->fh_s_id[2]) 75 76 #define sli4_did_from_fc_hdr(fc_hdr) \ 77 ((fc_hdr)->fh_d_id[0] << 16 | \ 78 (fc_hdr)->fh_d_id[1] << 8 | \ 79 (fc_hdr)->fh_d_id[2]) 80 81 #define sli4_fctl_from_fc_hdr(fc_hdr) \ 82 ((fc_hdr)->fh_f_ctl[0] << 16 | \ 83 (fc_hdr)->fh_f_ctl[1] << 8 | \ 84 (fc_hdr)->fh_f_ctl[2]) 85 86 #define sli4_type_from_fc_hdr(fc_hdr) \ 87 ((fc_hdr)->fh_type) 88 89 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000 90 91 #define INT_FW_UPGRADE 0 92 #define RUN_FW_UPGRADE 1 93 94 enum lpfc_sli4_queue_type { 95 LPFC_EQ, 96 LPFC_GCQ, 97 LPFC_MCQ, 98 LPFC_WCQ, 99 LPFC_RCQ, 100 LPFC_MQ, 101 LPFC_WQ, 102 LPFC_HRQ, 103 LPFC_DRQ 104 }; 105 106 /* The queue sub-type defines the functional purpose of the queue */ 107 enum lpfc_sli4_queue_subtype { 108 LPFC_NONE, 109 LPFC_MBOX, 110 LPFC_FCP, 111 LPFC_ELS, 112 LPFC_NVME, 113 LPFC_NVMET, 114 LPFC_NVME_LS, 115 LPFC_USOL 116 }; 117 118 union sli4_qe { 119 void *address; 120 struct lpfc_eqe *eqe; 121 struct lpfc_cqe *cqe; 122 struct lpfc_mcqe *mcqe; 123 struct lpfc_wcqe_complete *wcqe_complete; 124 struct lpfc_wcqe_release *wcqe_release; 125 struct sli4_wcqe_xri_aborted *wcqe_xri_aborted; 126 struct lpfc_rcqe_complete *rcqe_complete; 127 struct lpfc_mqe *mqe; 128 union lpfc_wqe *wqe; 129 union lpfc_wqe128 *wqe128; 130 struct lpfc_rqe *rqe; 131 }; 132 133 /* RQ buffer list */ 134 struct lpfc_rqb { 135 uint16_t entry_count; /* Current number of RQ slots */ 136 uint16_t buffer_count; /* Current number of buffers posted */ 137 struct list_head rqb_buffer_list; /* buffers assigned to this HBQ */ 138 /* Callback for HBQ buffer allocation */ 139 struct rqb_dmabuf *(*rqb_alloc_buffer)(struct lpfc_hba *); 140 /* Callback for HBQ buffer free */ 141 void (*rqb_free_buffer)(struct lpfc_hba *, 142 struct rqb_dmabuf *); 143 }; 144 145 struct lpfc_queue { 146 struct list_head list; 147 struct list_head wq_list; 148 struct list_head wqfull_list; 149 enum lpfc_sli4_queue_type type; 150 enum lpfc_sli4_queue_subtype subtype; 151 struct lpfc_hba *phba; 152 struct list_head child_list; 153 struct list_head page_list; 154 struct list_head sgl_list; 155 uint32_t entry_count; /* Number of entries to support on the queue */ 156 uint32_t entry_size; /* Size of each queue entry. */ 157 uint32_t entry_repost; /* Count of entries before doorbell is rung */ 158 #define LPFC_EQ_REPOST 8 159 #define LPFC_MQ_REPOST 8 160 #define LPFC_CQ_REPOST 64 161 #define LPFC_RQ_REPOST 64 162 #define LPFC_RELEASE_NOTIFICATION_INTERVAL 32 /* For WQs */ 163 uint32_t queue_id; /* Queue ID assigned by the hardware */ 164 uint32_t assoc_qid; /* Queue ID associated with, for CQ/WQ/MQ */ 165 uint32_t host_index; /* The host's index for putting or getting */ 166 uint32_t hba_index; /* The last known hba index for get or put */ 167 168 struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */ 169 struct lpfc_rqb *rqbp; /* ptr to RQ buffers */ 170 171 uint32_t q_mode; 172 uint16_t page_count; /* Number of pages allocated for this queue */ 173 uint16_t page_size; /* size of page allocated for this queue */ 174 #define LPFC_EXPANDED_PAGE_SIZE 16384 175 #define LPFC_DEFAULT_PAGE_SIZE 4096 176 uint16_t chann; /* IO channel this queue is associated with */ 177 uint8_t db_format; 178 #define LPFC_DB_RING_FORMAT 0x01 179 #define LPFC_DB_LIST_FORMAT 0x02 180 uint8_t q_flag; 181 #define HBA_NVMET_WQFULL 0x1 /* We hit WQ Full condition for NVMET */ 182 void __iomem *db_regaddr; 183 uint16_t dpp_enable; 184 uint16_t dpp_id; 185 void __iomem *dpp_regaddr; 186 187 /* For q stats */ 188 uint32_t q_cnt_1; 189 uint32_t q_cnt_2; 190 uint32_t q_cnt_3; 191 uint64_t q_cnt_4; 192 /* defines for EQ stats */ 193 #define EQ_max_eqe q_cnt_1 194 #define EQ_no_entry q_cnt_2 195 #define EQ_cqe_cnt q_cnt_3 196 #define EQ_processed q_cnt_4 197 198 /* defines for CQ stats */ 199 #define CQ_mbox q_cnt_1 200 #define CQ_max_cqe q_cnt_1 201 #define CQ_release_wqe q_cnt_2 202 #define CQ_xri_aborted q_cnt_3 203 #define CQ_wq q_cnt_4 204 205 /* defines for WQ stats */ 206 #define WQ_overflow q_cnt_1 207 #define WQ_posted q_cnt_4 208 209 /* defines for RQ stats */ 210 #define RQ_no_posted_buf q_cnt_1 211 #define RQ_no_buf_found q_cnt_2 212 #define RQ_buf_posted q_cnt_3 213 #define RQ_rcv_buf q_cnt_4 214 215 struct work_struct irqwork; 216 struct work_struct spwork; 217 218 uint64_t isr_timestamp; 219 uint8_t qe_valid; 220 struct lpfc_queue *assoc_qp; 221 union sli4_qe qe[1]; /* array to index entries (must be last) */ 222 }; 223 224 struct lpfc_sli4_link { 225 uint16_t speed; 226 uint8_t duplex; 227 uint8_t status; 228 uint8_t type; 229 uint8_t number; 230 uint8_t fault; 231 uint16_t logical_speed; 232 uint16_t topology; 233 }; 234 235 struct lpfc_fcf_rec { 236 uint8_t fabric_name[8]; 237 uint8_t switch_name[8]; 238 uint8_t mac_addr[6]; 239 uint16_t fcf_indx; 240 uint32_t priority; 241 uint16_t vlan_id; 242 uint32_t addr_mode; 243 uint32_t flag; 244 #define BOOT_ENABLE 0x01 245 #define RECORD_VALID 0x02 246 }; 247 248 struct lpfc_fcf_pri_rec { 249 uint16_t fcf_index; 250 #define LPFC_FCF_ON_PRI_LIST 0x0001 251 #define LPFC_FCF_FLOGI_FAILED 0x0002 252 uint16_t flag; 253 uint32_t priority; 254 }; 255 256 struct lpfc_fcf_pri { 257 struct list_head list; 258 struct lpfc_fcf_pri_rec fcf_rec; 259 }; 260 261 /* 262 * Maximum FCF table index, it is for driver internal book keeping, it 263 * just needs to be no less than the supported HBA's FCF table size. 264 */ 265 #define LPFC_SLI4_FCF_TBL_INDX_MAX 32 266 267 struct lpfc_fcf { 268 uint16_t fcfi; 269 uint32_t fcf_flag; 270 #define FCF_AVAILABLE 0x01 /* FCF available for discovery */ 271 #define FCF_REGISTERED 0x02 /* FCF registered with FW */ 272 #define FCF_SCAN_DONE 0x04 /* FCF table scan done */ 273 #define FCF_IN_USE 0x08 /* Atleast one discovery completed */ 274 #define FCF_INIT_DISC 0x10 /* Initial FCF discovery */ 275 #define FCF_DEAD_DISC 0x20 /* FCF DEAD fast FCF failover discovery */ 276 #define FCF_ACVL_DISC 0x40 /* All CVL fast FCF failover discovery */ 277 #define FCF_DISCOVERY (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC) 278 #define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */ 279 #define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */ 280 #define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */ 281 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT) 282 uint32_t addr_mode; 283 uint32_t eligible_fcf_cnt; 284 struct lpfc_fcf_rec current_rec; 285 struct lpfc_fcf_rec failover_rec; 286 struct list_head fcf_pri_list; 287 struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX]; 288 uint32_t current_fcf_scan_pri; 289 struct timer_list redisc_wait; 290 unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */ 291 }; 292 293 294 #define LPFC_REGION23_SIGNATURE "RG23" 295 #define LPFC_REGION23_VERSION 1 296 #define LPFC_REGION23_LAST_REC 0xff 297 #define DRIVER_SPECIFIC_TYPE 0xA2 298 #define LINUX_DRIVER_ID 0x20 299 #define PORT_STE_TYPE 0x1 300 301 struct lpfc_fip_param_hdr { 302 uint8_t type; 303 #define FCOE_PARAM_TYPE 0xA0 304 uint8_t length; 305 #define FCOE_PARAM_LENGTH 2 306 uint8_t parm_version; 307 #define FIPP_VERSION 0x01 308 uint8_t parm_flags; 309 #define lpfc_fip_param_hdr_fipp_mode_SHIFT 6 310 #define lpfc_fip_param_hdr_fipp_mode_MASK 0x3 311 #define lpfc_fip_param_hdr_fipp_mode_WORD parm_flags 312 #define FIPP_MODE_ON 0x1 313 #define FIPP_MODE_OFF 0x0 314 #define FIPP_VLAN_VALID 0x1 315 }; 316 317 struct lpfc_fcoe_params { 318 uint8_t fc_map[3]; 319 uint8_t reserved1; 320 uint16_t vlan_tag; 321 uint8_t reserved[2]; 322 }; 323 324 struct lpfc_fcf_conn_hdr { 325 uint8_t type; 326 #define FCOE_CONN_TBL_TYPE 0xA1 327 uint8_t length; /* words */ 328 uint8_t reserved[2]; 329 }; 330 331 struct lpfc_fcf_conn_rec { 332 uint16_t flags; 333 #define FCFCNCT_VALID 0x0001 334 #define FCFCNCT_BOOT 0x0002 335 #define FCFCNCT_PRIMARY 0x0004 /* if not set, Secondary */ 336 #define FCFCNCT_FBNM_VALID 0x0008 337 #define FCFCNCT_SWNM_VALID 0x0010 338 #define FCFCNCT_VLAN_VALID 0x0020 339 #define FCFCNCT_AM_VALID 0x0040 340 #define FCFCNCT_AM_PREFERRED 0x0080 /* if not set, AM Required */ 341 #define FCFCNCT_AM_SPMA 0x0100 /* if not set, FPMA */ 342 343 uint16_t vlan_tag; 344 uint8_t fabric_name[8]; 345 uint8_t switch_name[8]; 346 }; 347 348 struct lpfc_fcf_conn_entry { 349 struct list_head list; 350 struct lpfc_fcf_conn_rec conn_rec; 351 }; 352 353 /* 354 * Define the host's bootstrap mailbox. This structure contains 355 * the member attributes needed to create, use, and destroy the 356 * bootstrap mailbox region. 357 * 358 * The macro definitions for the bmbx data structure are defined 359 * in lpfc_hw4.h with the register definition. 360 */ 361 struct lpfc_bmbx { 362 struct lpfc_dmabuf *dmabuf; 363 struct dma_address dma_address; 364 void *avirt; 365 dma_addr_t aphys; 366 uint32_t bmbx_size; 367 }; 368 369 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4 370 371 #define LPFC_EQE_SIZE_4B 4 372 #define LPFC_EQE_SIZE_16B 16 373 #define LPFC_CQE_SIZE 16 374 #define LPFC_WQE_SIZE 64 375 #define LPFC_WQE128_SIZE 128 376 #define LPFC_MQE_SIZE 256 377 #define LPFC_RQE_SIZE 8 378 379 #define LPFC_EQE_DEF_COUNT 1024 380 #define LPFC_CQE_DEF_COUNT 1024 381 #define LPFC_CQE_EXP_COUNT 4096 382 #define LPFC_WQE_DEF_COUNT 256 383 #define LPFC_WQE_EXP_COUNT 1024 384 #define LPFC_MQE_DEF_COUNT 16 385 #define LPFC_RQE_DEF_COUNT 512 386 387 #define LPFC_QUEUE_NOARM false 388 #define LPFC_QUEUE_REARM true 389 390 391 /* 392 * SLI4 CT field defines 393 */ 394 #define SLI4_CT_RPI 0 395 #define SLI4_CT_VPI 1 396 #define SLI4_CT_VFI 2 397 #define SLI4_CT_FCFI 3 398 399 /* 400 * SLI4 specific data structures 401 */ 402 struct lpfc_max_cfg_param { 403 uint16_t max_xri; 404 uint16_t xri_base; 405 uint16_t xri_used; 406 uint16_t max_rpi; 407 uint16_t rpi_base; 408 uint16_t rpi_used; 409 uint16_t max_vpi; 410 uint16_t vpi_base; 411 uint16_t vpi_used; 412 uint16_t max_vfi; 413 uint16_t vfi_base; 414 uint16_t vfi_used; 415 uint16_t max_fcfi; 416 uint16_t fcfi_used; 417 uint16_t max_eq; 418 uint16_t max_rq; 419 uint16_t max_cq; 420 uint16_t max_wq; 421 }; 422 423 struct lpfc_hba; 424 /* SLI4 HBA multi-fcp queue handler struct */ 425 #define LPFC_SLI4_HANDLER_NAME_SZ 16 426 struct lpfc_hba_eq_hdl { 427 uint32_t idx; 428 char handler_name[LPFC_SLI4_HANDLER_NAME_SZ]; 429 struct lpfc_hba *phba; 430 atomic_t hba_eq_in_use; 431 struct cpumask *cpumask; 432 /* CPU affinitsed to or 0xffffffff if multiple */ 433 uint32_t cpu; 434 #define LPFC_MULTI_CPU_AFFINITY 0xffffffff 435 }; 436 437 /*BB Credit recovery value*/ 438 struct lpfc_bbscn_params { 439 uint32_t word0; 440 #define lpfc_bbscn_min_SHIFT 0 441 #define lpfc_bbscn_min_MASK 0x0000000F 442 #define lpfc_bbscn_min_WORD word0 443 #define lpfc_bbscn_max_SHIFT 4 444 #define lpfc_bbscn_max_MASK 0x0000000F 445 #define lpfc_bbscn_max_WORD word0 446 #define lpfc_bbscn_def_SHIFT 8 447 #define lpfc_bbscn_def_MASK 0x0000000F 448 #define lpfc_bbscn_def_WORD word0 449 }; 450 451 /* Port Capabilities for SLI4 Parameters */ 452 struct lpfc_pc_sli4_params { 453 uint32_t supported; 454 uint32_t if_type; 455 uint32_t sli_rev; 456 uint32_t sli_family; 457 uint32_t featurelevel_1; 458 uint32_t featurelevel_2; 459 uint32_t proto_types; 460 #define LPFC_SLI4_PROTO_FCOE 0x0000001 461 #define LPFC_SLI4_PROTO_FC 0x0000002 462 #define LPFC_SLI4_PROTO_NIC 0x0000004 463 #define LPFC_SLI4_PROTO_ISCSI 0x0000008 464 #define LPFC_SLI4_PROTO_RDMA 0x0000010 465 uint32_t sge_supp_len; 466 uint32_t if_page_sz; 467 uint32_t rq_db_window; 468 uint32_t loopbk_scope; 469 uint32_t oas_supported; 470 uint32_t eq_pages_max; 471 uint32_t eqe_size; 472 uint32_t cq_pages_max; 473 uint32_t cqe_size; 474 uint32_t mq_pages_max; 475 uint32_t mqe_size; 476 uint32_t mq_elem_cnt; 477 uint32_t wq_pages_max; 478 uint32_t wqe_size; 479 uint32_t rq_pages_max; 480 uint32_t rqe_size; 481 uint32_t hdr_pages_max; 482 uint32_t hdr_size; 483 uint32_t hdr_pp_align; 484 uint32_t sgl_pages_max; 485 uint32_t sgl_pp_align; 486 uint8_t cqv; 487 uint8_t mqv; 488 uint8_t wqv; 489 uint8_t rqv; 490 uint8_t eqav; 491 uint8_t cqav; 492 uint8_t wqsize; 493 uint8_t bv1s; 494 #define LPFC_WQ_SZ64_SUPPORT 1 495 #define LPFC_WQ_SZ128_SUPPORT 2 496 uint8_t wqpcnt; 497 }; 498 499 #define LPFC_CQ_4K_PAGE_SZ 0x1 500 #define LPFC_CQ_16K_PAGE_SZ 0x4 501 #define LPFC_WQ_4K_PAGE_SZ 0x1 502 #define LPFC_WQ_16K_PAGE_SZ 0x4 503 504 struct lpfc_iov { 505 uint32_t pf_number; 506 uint32_t vf_number; 507 }; 508 509 struct lpfc_sli4_lnk_info { 510 uint8_t lnk_dv; 511 #define LPFC_LNK_DAT_INVAL 0 512 #define LPFC_LNK_DAT_VAL 1 513 uint8_t lnk_tp; 514 #define LPFC_LNK_GE 0x0 /* FCoE */ 515 #define LPFC_LNK_FC 0x1 /* FC */ 516 uint8_t lnk_no; 517 uint8_t optic_state; 518 }; 519 520 #define LPFC_SLI4_HANDLER_CNT (LPFC_HBA_IO_CHAN_MAX+ \ 521 LPFC_FOF_IO_CHAN_NUM) 522 523 /* Used for IRQ vector to CPU mapping */ 524 struct lpfc_vector_map_info { 525 uint16_t phys_id; 526 uint16_t core_id; 527 uint16_t irq; 528 uint16_t channel_id; 529 }; 530 #define LPFC_VECTOR_MAP_EMPTY 0xffff 531 532 /* SLI4 HBA data structure entries */ 533 struct lpfc_sli4_hba { 534 void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for 535 * config space registers 536 */ 537 void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for 538 * control registers 539 */ 540 void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for 541 * doorbell registers 542 */ 543 void __iomem *dpp_regs_memmap_p; /* Kernel memory mapped address for 544 * dpp registers 545 */ 546 union { 547 struct { 548 /* IF Type 0, BAR 0 PCI cfg space reg mem map */ 549 void __iomem *UERRLOregaddr; 550 void __iomem *UERRHIregaddr; 551 void __iomem *UEMASKLOregaddr; 552 void __iomem *UEMASKHIregaddr; 553 } if_type0; 554 struct { 555 /* IF Type 2, BAR 0 PCI cfg space reg mem map. */ 556 void __iomem *STATUSregaddr; 557 void __iomem *CTRLregaddr; 558 void __iomem *ERR1regaddr; 559 #define SLIPORT_ERR1_REG_ERR_CODE_1 0x1 560 #define SLIPORT_ERR1_REG_ERR_CODE_2 0x2 561 void __iomem *ERR2regaddr; 562 #define SLIPORT_ERR2_REG_FW_RESTART 0x0 563 #define SLIPORT_ERR2_REG_FUNC_PROVISON 0x1 564 #define SLIPORT_ERR2_REG_FORCED_DUMP 0x2 565 #define SLIPORT_ERR2_REG_FAILURE_EQ 0x3 566 #define SLIPORT_ERR2_REG_FAILURE_CQ 0x4 567 #define SLIPORT_ERR2_REG_FAILURE_BUS 0x5 568 #define SLIPORT_ERR2_REG_FAILURE_RQ 0x6 569 void __iomem *EQDregaddr; 570 } if_type2; 571 } u; 572 573 /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */ 574 void __iomem *PSMPHRregaddr; 575 576 /* Well-known SLI INTF register memory map. */ 577 void __iomem *SLIINTFregaddr; 578 579 /* IF type 0, BAR 1 function CSR register memory map */ 580 void __iomem *ISRregaddr; /* HST_ISR register */ 581 void __iomem *IMRregaddr; /* HST_IMR register */ 582 void __iomem *ISCRregaddr; /* HST_ISCR register */ 583 /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */ 584 void __iomem *RQDBregaddr; /* RQ_DOORBELL register */ 585 void __iomem *WQDBregaddr; /* WQ_DOORBELL register */ 586 void __iomem *CQDBregaddr; /* CQ_DOORBELL register */ 587 void __iomem *EQDBregaddr; /* EQ_DOORBELL register */ 588 void __iomem *MQDBregaddr; /* MQ_DOORBELL register */ 589 void __iomem *BMBXregaddr; /* BootStrap MBX register */ 590 591 uint32_t ue_mask_lo; 592 uint32_t ue_mask_hi; 593 uint32_t ue_to_sr; 594 uint32_t ue_to_rp; 595 struct lpfc_register sli_intf; 596 struct lpfc_pc_sli4_params pc_sli4_params; 597 struct lpfc_bbscn_params bbscn_params; 598 struct lpfc_hba_eq_hdl *hba_eq_hdl; /* HBA per-WQ handle */ 599 600 void (*sli4_eq_clr_intr)(struct lpfc_queue *q); 601 uint32_t (*sli4_eq_release)(struct lpfc_queue *q, bool arm); 602 uint32_t (*sli4_cq_release)(struct lpfc_queue *q, bool arm); 603 604 /* Pointers to the constructed SLI4 queues */ 605 struct lpfc_queue **hba_eq; /* Event queues for HBA */ 606 struct lpfc_queue **fcp_cq; /* Fast-path FCP compl queue */ 607 struct lpfc_queue **nvme_cq; /* Fast-path NVME compl queue */ 608 struct lpfc_queue **nvmet_cqset; /* Fast-path NVMET CQ Set queues */ 609 struct lpfc_queue **nvmet_mrq_hdr; /* Fast-path NVMET hdr MRQs */ 610 struct lpfc_queue **nvmet_mrq_data; /* Fast-path NVMET data MRQs */ 611 struct lpfc_queue **fcp_wq; /* Fast-path FCP work queue */ 612 struct lpfc_queue **nvme_wq; /* Fast-path NVME work queue */ 613 uint16_t *fcp_cq_map; 614 uint16_t *nvme_cq_map; 615 struct list_head lpfc_wq_list; 616 617 struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */ 618 struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */ 619 struct lpfc_queue *nvmels_cq; /* NVME LS complete queue */ 620 struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */ 621 struct lpfc_queue *els_wq; /* Slow-path ELS work queue */ 622 struct lpfc_queue *nvmels_wq; /* NVME LS work queue */ 623 struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */ 624 struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */ 625 626 struct lpfc_name wwnn; 627 struct lpfc_name wwpn; 628 629 uint32_t fw_func_mode; /* FW function protocol mode */ 630 uint32_t ulp0_mode; /* ULP0 protocol mode */ 631 uint32_t ulp1_mode; /* ULP1 protocol mode */ 632 633 struct lpfc_queue *fof_eq; /* Flash Optimized Fabric Event queue */ 634 635 /* Optimized Access Storage specific queues/structures */ 636 637 struct lpfc_queue *oas_cq; /* OAS completion queue */ 638 struct lpfc_queue *oas_wq; /* OAS Work queue */ 639 struct lpfc_sli_ring *oas_ring; 640 uint64_t oas_next_lun; 641 uint8_t oas_next_tgt_wwpn[8]; 642 uint8_t oas_next_vpt_wwpn[8]; 643 644 /* Setup information for various queue parameters */ 645 int eq_esize; 646 int eq_ecount; 647 int cq_esize; 648 int cq_ecount; 649 int wq_esize; 650 int wq_ecount; 651 int mq_esize; 652 int mq_ecount; 653 int rq_esize; 654 int rq_ecount; 655 #define LPFC_SP_EQ_MAX_INTR_SEC 10000 656 #define LPFC_FP_EQ_MAX_INTR_SEC 10000 657 658 uint32_t intr_enable; 659 struct lpfc_bmbx bmbx; 660 struct lpfc_max_cfg_param max_cfg_param; 661 uint16_t extents_in_use; /* must allocate resource extents. */ 662 uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */ 663 uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */ 664 uint16_t next_rpi; 665 uint16_t nvme_xri_max; 666 uint16_t nvme_xri_cnt; 667 uint16_t nvme_xri_start; 668 uint16_t scsi_xri_max; 669 uint16_t scsi_xri_cnt; 670 uint16_t scsi_xri_start; 671 uint16_t els_xri_cnt; 672 uint16_t nvmet_xri_cnt; 673 uint16_t nvmet_io_wait_cnt; 674 uint16_t nvmet_io_wait_total; 675 struct list_head lpfc_els_sgl_list; 676 struct list_head lpfc_abts_els_sgl_list; 677 struct list_head lpfc_nvmet_sgl_list; 678 struct list_head lpfc_abts_nvmet_ctx_list; 679 struct list_head lpfc_abts_scsi_buf_list; 680 struct list_head lpfc_abts_nvme_buf_list; 681 struct list_head lpfc_nvmet_io_wait_list; 682 struct lpfc_nvmet_ctx_info *nvmet_ctx_info; 683 struct lpfc_sglq **lpfc_sglq_active_list; 684 struct list_head lpfc_rpi_hdr_list; 685 unsigned long *rpi_bmask; 686 uint16_t *rpi_ids; 687 uint16_t rpi_count; 688 struct list_head lpfc_rpi_blk_list; 689 unsigned long *xri_bmask; 690 uint16_t *xri_ids; 691 struct list_head lpfc_xri_blk_list; 692 unsigned long *vfi_bmask; 693 uint16_t *vfi_ids; 694 uint16_t vfi_count; 695 struct list_head lpfc_vfi_blk_list; 696 struct lpfc_sli4_flags sli4_flags; 697 struct list_head sp_queue_event; 698 struct list_head sp_cqe_event_pool; 699 struct list_head sp_asynce_work_queue; 700 struct list_head sp_fcp_xri_aborted_work_queue; 701 struct list_head sp_els_xri_aborted_work_queue; 702 struct list_head sp_unsol_work_queue; 703 struct lpfc_sli4_link link_state; 704 struct lpfc_sli4_lnk_info lnk_info; 705 uint32_t pport_name_sta; 706 #define LPFC_SLI4_PPNAME_NON 0 707 #define LPFC_SLI4_PPNAME_GET 1 708 struct lpfc_iov iov; 709 spinlock_t abts_nvme_buf_list_lock; /* list of aborted SCSI IOs */ 710 spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */ 711 spinlock_t sgl_list_lock; /* list of aborted els IOs */ 712 spinlock_t nvmet_io_wait_lock; /* IOs waiting for ctx resources */ 713 uint32_t physical_port; 714 715 /* CPU to vector mapping information */ 716 struct lpfc_vector_map_info *cpu_map; 717 uint16_t num_online_cpu; 718 uint16_t num_present_cpu; 719 uint16_t curr_disp_cpu; 720 }; 721 722 enum lpfc_sge_type { 723 GEN_BUFF_TYPE, 724 SCSI_BUFF_TYPE, 725 NVMET_BUFF_TYPE 726 }; 727 728 enum lpfc_sgl_state { 729 SGL_FREED, 730 SGL_ALLOCATED, 731 SGL_XRI_ABORTED 732 }; 733 734 struct lpfc_sglq { 735 /* lpfc_sglqs are used in double linked lists */ 736 struct list_head list; 737 struct list_head clist; 738 enum lpfc_sge_type buff_type; /* is this a scsi sgl */ 739 enum lpfc_sgl_state state; 740 struct lpfc_nodelist *ndlp; /* ndlp associated with IO */ 741 uint16_t iotag; /* pre-assigned IO tag */ 742 uint16_t sli4_lxritag; /* logical pre-assigned xri. */ 743 uint16_t sli4_xritag; /* pre-assigned XRI, (OXID) tag. */ 744 struct sli4_sge *sgl; /* pre-assigned SGL */ 745 void *virt; /* virtual address. */ 746 dma_addr_t phys; /* physical address */ 747 }; 748 749 struct lpfc_rpi_hdr { 750 struct list_head list; 751 uint32_t len; 752 struct lpfc_dmabuf *dmabuf; 753 uint32_t page_count; 754 uint32_t start_rpi; 755 uint16_t next_rpi; 756 }; 757 758 struct lpfc_rsrc_blks { 759 struct list_head list; 760 uint16_t rsrc_start; 761 uint16_t rsrc_size; 762 uint16_t rsrc_used; 763 }; 764 765 struct lpfc_rdp_context { 766 struct lpfc_nodelist *ndlp; 767 uint16_t ox_id; 768 uint16_t rx_id; 769 READ_LNK_VAR link_stat; 770 uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE]; 771 uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE]; 772 void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int); 773 }; 774 775 struct lpfc_lcb_context { 776 uint8_t sub_command; 777 uint8_t type; 778 uint8_t capability; 779 uint8_t frequency; 780 uint16_t duration; 781 uint16_t ox_id; 782 uint16_t rx_id; 783 struct lpfc_nodelist *ndlp; 784 }; 785 786 787 /* 788 * SLI4 specific function prototypes 789 */ 790 int lpfc_pci_function_reset(struct lpfc_hba *); 791 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *); 792 int lpfc_sli4_hba_setup(struct lpfc_hba *); 793 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t, 794 uint8_t, uint32_t, bool); 795 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *); 796 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t); 797 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t, 798 struct lpfc_mbx_sge *); 799 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *, 800 uint16_t); 801 802 void lpfc_sli4_hba_reset(struct lpfc_hba *); 803 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t, 804 uint32_t, uint32_t); 805 void lpfc_sli4_queue_free(struct lpfc_queue *); 806 int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t); 807 int lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq, 808 uint32_t numq, uint32_t imax); 809 int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *, 810 struct lpfc_queue *, uint32_t, uint32_t); 811 int lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp, 812 struct lpfc_queue **eqp, uint32_t type, 813 uint32_t subtype); 814 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *, 815 struct lpfc_queue *, uint32_t); 816 int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *, 817 struct lpfc_queue *, uint32_t); 818 int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *, 819 struct lpfc_queue *, struct lpfc_queue *, uint32_t); 820 int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp, 821 struct lpfc_queue **drqp, struct lpfc_queue **cqp, 822 uint32_t subtype); 823 int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *); 824 int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *); 825 int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *); 826 int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *); 827 int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *, 828 struct lpfc_queue *); 829 int lpfc_sli4_queue_setup(struct lpfc_hba *); 830 void lpfc_sli4_queue_unset(struct lpfc_hba *); 831 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t); 832 int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *); 833 int lpfc_repost_nvme_sgl_list(struct lpfc_hba *phba); 834 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *); 835 void lpfc_sli4_free_xri(struct lpfc_hba *, int); 836 int lpfc_sli4_post_async_mbox(struct lpfc_hba *); 837 int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int); 838 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *); 839 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *); 840 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *); 841 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *); 842 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *); 843 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *); 844 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *); 845 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *); 846 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *); 847 int lpfc_sli4_alloc_rpi(struct lpfc_hba *); 848 void lpfc_sli4_free_rpi(struct lpfc_hba *, int); 849 void lpfc_sli4_remove_rpis(struct lpfc_hba *); 850 void lpfc_sli4_async_event_proc(struct lpfc_hba *); 851 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *); 852 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *, 853 void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *); 854 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *); 855 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *); 856 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *, 857 struct sli4_wcqe_xri_aborted *); 858 void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba, 859 struct sli4_wcqe_xri_aborted *axri); 860 void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba, 861 struct sli4_wcqe_xri_aborted *axri); 862 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *, 863 struct sli4_wcqe_xri_aborted *); 864 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *); 865 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *); 866 int lpfc_sli4_brdreset(struct lpfc_hba *); 867 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *); 868 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *); 869 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *); 870 int lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba); 871 int lpfc_sli4_init_vpi(struct lpfc_vport *); 872 inline void lpfc_sli4_eq_clr_intr(struct lpfc_queue *); 873 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool); 874 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool); 875 inline void lpfc_sli4_if6_eq_clr_intr(struct lpfc_queue *q); 876 uint32_t lpfc_sli4_if6_cq_release(struct lpfc_queue *q, bool arm); 877 uint32_t lpfc_sli4_if6_eq_release(struct lpfc_queue *q, bool arm); 878 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t); 879 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t); 880 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t); 881 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t); 882 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *); 883 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *); 884 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *); 885 int lpfc_sli4_unregister_fcf(struct lpfc_hba *); 886 int lpfc_sli4_post_status_check(struct lpfc_hba *); 887 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *); 888 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *); 889 void lpfc_sli4_ras_dma_free(struct lpfc_hba *phba); 890