1/******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2009-2015 Emulex. All rights reserved. * 5 * EMULEX and SLI are trademarks of Emulex. * 6 * www.emulex.com * 7 * * 8 * This program is free software; you can redistribute it and/or * 9 * modify it under the terms of version 2 of the GNU General * 10 * Public License as published by the Free Software Foundation. * 11 * This program is distributed in the hope that it will be useful. * 12 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 13 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 14 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 15 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 16 * TO BE LEGALLY INVALID. See the GNU General Public License for * 17 * more details, a copy of which can be found in the file COPYING * 18 * included with this package. * 19 *******************************************************************/ 20 21#define LPFC_ACTIVE_MBOX_WAIT_CNT 100 22#define LPFC_XRI_EXCH_BUSY_WAIT_TMO 10000 23#define LPFC_XRI_EXCH_BUSY_WAIT_T1 10 24#define LPFC_XRI_EXCH_BUSY_WAIT_T2 30000 25#define LPFC_RELEASE_NOTIFICATION_INTERVAL 32 26#define LPFC_RPI_LOW_WATER_MARK 10 27 28#define LPFC_UNREG_FCF 1 29#define LPFC_SKIP_UNREG_FCF 0 30 31/* Amount of time in seconds for waiting FCF rediscovery to complete */ 32#define LPFC_FCF_REDISCOVER_WAIT_TMO 2000 /* msec */ 33 34/* Number of SGL entries can be posted in a 4KB nonembedded mbox command */ 35#define LPFC_NEMBED_MBOX_SGL_CNT 254 36 37/* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */ 38#define LPFC_FCP_IO_CHAN_DEF 4 39#define LPFC_FCP_IO_CHAN_MIN 1 40#define LPFC_FCP_IO_CHAN_MAX 16 41 42/* Number of channels used for Flash Optimized Fabric (FOF) operations */ 43 44#define LPFC_FOF_IO_CHAN_NUM 1 45 46/* 47 * Provide the default FCF Record attributes used by the driver 48 * when nonFIP mode is configured and there is no other default 49 * FCF Record attributes. 50 */ 51#define LPFC_FCOE_FCF_DEF_INDEX 0 52#define LPFC_FCOE_FCF_GET_FIRST 0xFFFF 53#define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF 54 55#define LPFC_FCOE_NULL_VID 0xFFF 56#define LPFC_FCOE_IGNORE_VID 0xFFFF 57 58/* First 3 bytes of default FCF MAC is specified by FC_MAP */ 59#define LPFC_FCOE_FCF_MAC3 0xFF 60#define LPFC_FCOE_FCF_MAC4 0xFF 61#define LPFC_FCOE_FCF_MAC5 0xFE 62#define LPFC_FCOE_FCF_MAP0 0x0E 63#define LPFC_FCOE_FCF_MAP1 0xFC 64#define LPFC_FCOE_FCF_MAP2 0x00 65#define LPFC_FCOE_MAX_RCV_SIZE 0x800 66#define LPFC_FCOE_FKA_ADV_PER 0 67#define LPFC_FCOE_FIP_PRIORITY 0x80 68 69#define sli4_sid_from_fc_hdr(fc_hdr) \ 70 ((fc_hdr)->fh_s_id[0] << 16 | \ 71 (fc_hdr)->fh_s_id[1] << 8 | \ 72 (fc_hdr)->fh_s_id[2]) 73 74#define sli4_did_from_fc_hdr(fc_hdr) \ 75 ((fc_hdr)->fh_d_id[0] << 16 | \ 76 (fc_hdr)->fh_d_id[1] << 8 | \ 77 (fc_hdr)->fh_d_id[2]) 78 79#define sli4_fctl_from_fc_hdr(fc_hdr) \ 80 ((fc_hdr)->fh_f_ctl[0] << 16 | \ 81 (fc_hdr)->fh_f_ctl[1] << 8 | \ 82 (fc_hdr)->fh_f_ctl[2]) 83 84#define sli4_type_from_fc_hdr(fc_hdr) \ 85 ((fc_hdr)->fh_type) 86 87#define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000 88 89#define INT_FW_UPGRADE 0 90#define RUN_FW_UPGRADE 1 91 92enum lpfc_sli4_queue_type { 93 LPFC_EQ, 94 LPFC_GCQ, 95 LPFC_MCQ, 96 LPFC_WCQ, 97 LPFC_RCQ, 98 LPFC_MQ, 99 LPFC_WQ, 100 LPFC_HRQ, 101 LPFC_DRQ 102}; 103 104/* The queue sub-type defines the functional purpose of the queue */ 105enum lpfc_sli4_queue_subtype { 106 LPFC_NONE, 107 LPFC_MBOX, 108 LPFC_FCP, 109 LPFC_ELS, 110 LPFC_USOL 111}; 112 113union sli4_qe { 114 void *address; 115 struct lpfc_eqe *eqe; 116 struct lpfc_cqe *cqe; 117 struct lpfc_mcqe *mcqe; 118 struct lpfc_wcqe_complete *wcqe_complete; 119 struct lpfc_wcqe_release *wcqe_release; 120 struct sli4_wcqe_xri_aborted *wcqe_xri_aborted; 121 struct lpfc_rcqe_complete *rcqe_complete; 122 struct lpfc_mqe *mqe; 123 union lpfc_wqe *wqe; 124 union lpfc_wqe128 *wqe128; 125 struct lpfc_rqe *rqe; 126}; 127 128struct lpfc_queue { 129 struct list_head list; 130 enum lpfc_sli4_queue_type type; 131 enum lpfc_sli4_queue_subtype subtype; 132 struct lpfc_hba *phba; 133 struct list_head child_list; 134 uint32_t entry_count; /* Number of entries to support on the queue */ 135 uint32_t entry_size; /* Size of each queue entry. */ 136 uint32_t entry_repost; /* Count of entries before doorbell is rung */ 137#define LPFC_QUEUE_MIN_REPOST 8 138 uint32_t queue_id; /* Queue ID assigned by the hardware */ 139 uint32_t assoc_qid; /* Queue ID associated with, for CQ/WQ/MQ */ 140 struct list_head page_list; 141 uint32_t page_count; /* Number of pages allocated for this queue */ 142 uint32_t host_index; /* The host's index for putting or getting */ 143 uint32_t hba_index; /* The last known hba index for get or put */ 144 145 struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */ 146 147 uint16_t db_format; 148#define LPFC_DB_RING_FORMAT 0x01 149#define LPFC_DB_LIST_FORMAT 0x02 150 void __iomem *db_regaddr; 151 /* For q stats */ 152 uint32_t q_cnt_1; 153 uint32_t q_cnt_2; 154 uint32_t q_cnt_3; 155 uint64_t q_cnt_4; 156/* defines for EQ stats */ 157#define EQ_max_eqe q_cnt_1 158#define EQ_no_entry q_cnt_2 159#define EQ_badstate q_cnt_3 160#define EQ_processed q_cnt_4 161 162/* defines for CQ stats */ 163#define CQ_mbox q_cnt_1 164#define CQ_max_cqe q_cnt_1 165#define CQ_release_wqe q_cnt_2 166#define CQ_xri_aborted q_cnt_3 167#define CQ_wq q_cnt_4 168 169/* defines for WQ stats */ 170#define WQ_overflow q_cnt_1 171#define WQ_posted q_cnt_4 172 173/* defines for RQ stats */ 174#define RQ_no_posted_buf q_cnt_1 175#define RQ_no_buf_found q_cnt_2 176#define RQ_buf_trunc q_cnt_3 177#define RQ_rcv_buf q_cnt_4 178 179 union sli4_qe qe[1]; /* array to index entries (must be last) */ 180}; 181 182struct lpfc_sli4_link { 183 uint16_t speed; 184 uint8_t duplex; 185 uint8_t status; 186 uint8_t type; 187 uint8_t number; 188 uint8_t fault; 189 uint16_t logical_speed; 190 uint16_t topology; 191}; 192 193struct lpfc_fcf_rec { 194 uint8_t fabric_name[8]; 195 uint8_t switch_name[8]; 196 uint8_t mac_addr[6]; 197 uint16_t fcf_indx; 198 uint32_t priority; 199 uint16_t vlan_id; 200 uint32_t addr_mode; 201 uint32_t flag; 202#define BOOT_ENABLE 0x01 203#define RECORD_VALID 0x02 204}; 205 206struct lpfc_fcf_pri_rec { 207 uint16_t fcf_index; 208#define LPFC_FCF_ON_PRI_LIST 0x0001 209#define LPFC_FCF_FLOGI_FAILED 0x0002 210 uint16_t flag; 211 uint32_t priority; 212}; 213 214struct lpfc_fcf_pri { 215 struct list_head list; 216 struct lpfc_fcf_pri_rec fcf_rec; 217}; 218 219/* 220 * Maximum FCF table index, it is for driver internal book keeping, it 221 * just needs to be no less than the supported HBA's FCF table size. 222 */ 223#define LPFC_SLI4_FCF_TBL_INDX_MAX 32 224 225struct lpfc_fcf { 226 uint16_t fcfi; 227 uint32_t fcf_flag; 228#define FCF_AVAILABLE 0x01 /* FCF available for discovery */ 229#define FCF_REGISTERED 0x02 /* FCF registered with FW */ 230#define FCF_SCAN_DONE 0x04 /* FCF table scan done */ 231#define FCF_IN_USE 0x08 /* Atleast one discovery completed */ 232#define FCF_INIT_DISC 0x10 /* Initial FCF discovery */ 233#define FCF_DEAD_DISC 0x20 /* FCF DEAD fast FCF failover discovery */ 234#define FCF_ACVL_DISC 0x40 /* All CVL fast FCF failover discovery */ 235#define FCF_DISCOVERY (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC) 236#define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */ 237#define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */ 238#define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */ 239#define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT) 240 uint32_t addr_mode; 241 uint32_t eligible_fcf_cnt; 242 struct lpfc_fcf_rec current_rec; 243 struct lpfc_fcf_rec failover_rec; 244 struct list_head fcf_pri_list; 245 struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX]; 246 uint32_t current_fcf_scan_pri; 247 struct timer_list redisc_wait; 248 unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */ 249}; 250 251 252#define LPFC_REGION23_SIGNATURE "RG23" 253#define LPFC_REGION23_VERSION 1 254#define LPFC_REGION23_LAST_REC 0xff 255#define DRIVER_SPECIFIC_TYPE 0xA2 256#define LINUX_DRIVER_ID 0x20 257#define PORT_STE_TYPE 0x1 258 259struct lpfc_fip_param_hdr { 260 uint8_t type; 261#define FCOE_PARAM_TYPE 0xA0 262 uint8_t length; 263#define FCOE_PARAM_LENGTH 2 264 uint8_t parm_version; 265#define FIPP_VERSION 0x01 266 uint8_t parm_flags; 267#define lpfc_fip_param_hdr_fipp_mode_SHIFT 6 268#define lpfc_fip_param_hdr_fipp_mode_MASK 0x3 269#define lpfc_fip_param_hdr_fipp_mode_WORD parm_flags 270#define FIPP_MODE_ON 0x1 271#define FIPP_MODE_OFF 0x0 272#define FIPP_VLAN_VALID 0x1 273}; 274 275struct lpfc_fcoe_params { 276 uint8_t fc_map[3]; 277 uint8_t reserved1; 278 uint16_t vlan_tag; 279 uint8_t reserved[2]; 280}; 281 282struct lpfc_fcf_conn_hdr { 283 uint8_t type; 284#define FCOE_CONN_TBL_TYPE 0xA1 285 uint8_t length; /* words */ 286 uint8_t reserved[2]; 287}; 288 289struct lpfc_fcf_conn_rec { 290 uint16_t flags; 291#define FCFCNCT_VALID 0x0001 292#define FCFCNCT_BOOT 0x0002 293#define FCFCNCT_PRIMARY 0x0004 /* if not set, Secondary */ 294#define FCFCNCT_FBNM_VALID 0x0008 295#define FCFCNCT_SWNM_VALID 0x0010 296#define FCFCNCT_VLAN_VALID 0x0020 297#define FCFCNCT_AM_VALID 0x0040 298#define FCFCNCT_AM_PREFERRED 0x0080 /* if not set, AM Required */ 299#define FCFCNCT_AM_SPMA 0x0100 /* if not set, FPMA */ 300 301 uint16_t vlan_tag; 302 uint8_t fabric_name[8]; 303 uint8_t switch_name[8]; 304}; 305 306struct lpfc_fcf_conn_entry { 307 struct list_head list; 308 struct lpfc_fcf_conn_rec conn_rec; 309}; 310 311/* 312 * Define the host's bootstrap mailbox. This structure contains 313 * the member attributes needed to create, use, and destroy the 314 * bootstrap mailbox region. 315 * 316 * The macro definitions for the bmbx data structure are defined 317 * in lpfc_hw4.h with the register definition. 318 */ 319struct lpfc_bmbx { 320 struct lpfc_dmabuf *dmabuf; 321 struct dma_address dma_address; 322 void *avirt; 323 dma_addr_t aphys; 324 uint32_t bmbx_size; 325}; 326 327#define LPFC_EQE_SIZE LPFC_EQE_SIZE_4 328 329#define LPFC_EQE_SIZE_4B 4 330#define LPFC_EQE_SIZE_16B 16 331#define LPFC_CQE_SIZE 16 332#define LPFC_WQE_SIZE 64 333#define LPFC_WQE128_SIZE 128 334#define LPFC_MQE_SIZE 256 335#define LPFC_RQE_SIZE 8 336 337#define LPFC_EQE_DEF_COUNT 1024 338#define LPFC_CQE_DEF_COUNT 1024 339#define LPFC_WQE_DEF_COUNT 256 340#define LPFC_WQE128_DEF_COUNT 128 341#define LPFC_MQE_DEF_COUNT 16 342#define LPFC_RQE_DEF_COUNT 512 343 344#define LPFC_QUEUE_NOARM false 345#define LPFC_QUEUE_REARM true 346 347 348/* 349 * SLI4 CT field defines 350 */ 351#define SLI4_CT_RPI 0 352#define SLI4_CT_VPI 1 353#define SLI4_CT_VFI 2 354#define SLI4_CT_FCFI 3 355 356/* 357 * SLI4 specific data structures 358 */ 359struct lpfc_max_cfg_param { 360 uint16_t max_xri; 361 uint16_t xri_base; 362 uint16_t xri_used; 363 uint16_t max_rpi; 364 uint16_t rpi_base; 365 uint16_t rpi_used; 366 uint16_t max_vpi; 367 uint16_t vpi_base; 368 uint16_t vpi_used; 369 uint16_t max_vfi; 370 uint16_t vfi_base; 371 uint16_t vfi_used; 372 uint16_t max_fcfi; 373 uint16_t fcfi_used; 374 uint16_t max_eq; 375 uint16_t max_rq; 376 uint16_t max_cq; 377 uint16_t max_wq; 378}; 379 380struct lpfc_hba; 381/* SLI4 HBA multi-fcp queue handler struct */ 382struct lpfc_fcp_eq_hdl { 383 uint32_t idx; 384 struct lpfc_hba *phba; 385 atomic_t fcp_eq_in_use; 386}; 387 388/* Port Capabilities for SLI4 Parameters */ 389struct lpfc_pc_sli4_params { 390 uint32_t supported; 391 uint32_t if_type; 392 uint32_t sli_rev; 393 uint32_t sli_family; 394 uint32_t featurelevel_1; 395 uint32_t featurelevel_2; 396 uint32_t proto_types; 397#define LPFC_SLI4_PROTO_FCOE 0x0000001 398#define LPFC_SLI4_PROTO_FC 0x0000002 399#define LPFC_SLI4_PROTO_NIC 0x0000004 400#define LPFC_SLI4_PROTO_ISCSI 0x0000008 401#define LPFC_SLI4_PROTO_RDMA 0x0000010 402 uint32_t sge_supp_len; 403 uint32_t if_page_sz; 404 uint32_t rq_db_window; 405 uint32_t loopbk_scope; 406 uint32_t oas_supported; 407 uint32_t eq_pages_max; 408 uint32_t eqe_size; 409 uint32_t cq_pages_max; 410 uint32_t cqe_size; 411 uint32_t mq_pages_max; 412 uint32_t mqe_size; 413 uint32_t mq_elem_cnt; 414 uint32_t wq_pages_max; 415 uint32_t wqe_size; 416 uint32_t rq_pages_max; 417 uint32_t rqe_size; 418 uint32_t hdr_pages_max; 419 uint32_t hdr_size; 420 uint32_t hdr_pp_align; 421 uint32_t sgl_pages_max; 422 uint32_t sgl_pp_align; 423 uint8_t cqv; 424 uint8_t mqv; 425 uint8_t wqv; 426 uint8_t rqv; 427 uint8_t wqsize; 428#define LPFC_WQ_SZ64_SUPPORT 1 429#define LPFC_WQ_SZ128_SUPPORT 2 430}; 431 432struct lpfc_iov { 433 uint32_t pf_number; 434 uint32_t vf_number; 435}; 436 437struct lpfc_sli4_lnk_info { 438 uint8_t lnk_dv; 439#define LPFC_LNK_DAT_INVAL 0 440#define LPFC_LNK_DAT_VAL 1 441 uint8_t lnk_tp; 442#define LPFC_LNK_GE 0x0 /* FCoE */ 443#define LPFC_LNK_FC 0x1 /* FC */ 444 uint8_t lnk_no; 445}; 446 447#define LPFC_SLI4_HANDLER_CNT (LPFC_FCP_IO_CHAN_MAX+ \ 448 LPFC_FOF_IO_CHAN_NUM) 449#define LPFC_SLI4_HANDLER_NAME_SZ 16 450 451/* Used for IRQ vector to CPU mapping */ 452struct lpfc_vector_map_info { 453 uint16_t phys_id; 454 uint16_t core_id; 455 uint16_t irq; 456 uint16_t channel_id; 457 struct cpumask maskbits; 458}; 459#define LPFC_VECTOR_MAP_EMPTY 0xffff 460 461/* SLI4 HBA data structure entries */ 462struct lpfc_sli4_hba { 463 void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for 464 PCI BAR0, config space registers */ 465 void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for 466 PCI BAR1, control registers */ 467 void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for 468 PCI BAR2, doorbell registers */ 469 union { 470 struct { 471 /* IF Type 0, BAR 0 PCI cfg space reg mem map */ 472 void __iomem *UERRLOregaddr; 473 void __iomem *UERRHIregaddr; 474 void __iomem *UEMASKLOregaddr; 475 void __iomem *UEMASKHIregaddr; 476 } if_type0; 477 struct { 478 /* IF Type 2, BAR 0 PCI cfg space reg mem map. */ 479 void __iomem *STATUSregaddr; 480 void __iomem *CTRLregaddr; 481 void __iomem *ERR1regaddr; 482#define SLIPORT_ERR1_REG_ERR_CODE_1 0x1 483#define SLIPORT_ERR1_REG_ERR_CODE_2 0x2 484 void __iomem *ERR2regaddr; 485#define SLIPORT_ERR2_REG_FW_RESTART 0x0 486#define SLIPORT_ERR2_REG_FUNC_PROVISON 0x1 487#define SLIPORT_ERR2_REG_FORCED_DUMP 0x2 488#define SLIPORT_ERR2_REG_FAILURE_EQ 0x3 489#define SLIPORT_ERR2_REG_FAILURE_CQ 0x4 490#define SLIPORT_ERR2_REG_FAILURE_BUS 0x5 491#define SLIPORT_ERR2_REG_FAILURE_RQ 0x6 492 } if_type2; 493 } u; 494 495 /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */ 496 void __iomem *PSMPHRregaddr; 497 498 /* Well-known SLI INTF register memory map. */ 499 void __iomem *SLIINTFregaddr; 500 501 /* IF type 0, BAR 1 function CSR register memory map */ 502 void __iomem *ISRregaddr; /* HST_ISR register */ 503 void __iomem *IMRregaddr; /* HST_IMR register */ 504 void __iomem *ISCRregaddr; /* HST_ISCR register */ 505 /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */ 506 void __iomem *RQDBregaddr; /* RQ_DOORBELL register */ 507 void __iomem *WQDBregaddr; /* WQ_DOORBELL register */ 508 void __iomem *EQCQDBregaddr; /* EQCQ_DOORBELL register */ 509 void __iomem *MQDBregaddr; /* MQ_DOORBELL register */ 510 void __iomem *BMBXregaddr; /* BootStrap MBX register */ 511 512 uint32_t ue_mask_lo; 513 uint32_t ue_mask_hi; 514 struct lpfc_register sli_intf; 515 struct lpfc_pc_sli4_params pc_sli4_params; 516 struct msix_entry *msix_entries; 517 uint8_t handler_name[LPFC_SLI4_HANDLER_CNT][LPFC_SLI4_HANDLER_NAME_SZ]; 518 struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */ 519 520 /* Pointers to the constructed SLI4 queues */ 521 struct lpfc_queue **hba_eq;/* Event queues for HBA */ 522 struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */ 523 struct lpfc_queue **fcp_wq;/* Fast-path FCP work queue */ 524 uint16_t *fcp_cq_map; 525 526 struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */ 527 struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */ 528 struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */ 529 struct lpfc_queue *els_wq; /* Slow-path ELS work queue */ 530 struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */ 531 struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */ 532 533 uint32_t fw_func_mode; /* FW function protocol mode */ 534 uint32_t ulp0_mode; /* ULP0 protocol mode */ 535 uint32_t ulp1_mode; /* ULP1 protocol mode */ 536 537 struct lpfc_queue *fof_eq; /* Flash Optimized Fabric Event queue */ 538 539 /* Optimized Access Storage specific queues/structures */ 540 541 struct lpfc_queue *oas_cq; /* OAS completion queue */ 542 struct lpfc_queue *oas_wq; /* OAS Work queue */ 543 struct lpfc_sli_ring *oas_ring; 544 uint64_t oas_next_lun; 545 uint8_t oas_next_tgt_wwpn[8]; 546 uint8_t oas_next_vpt_wwpn[8]; 547 548 /* Setup information for various queue parameters */ 549 int eq_esize; 550 int eq_ecount; 551 int cq_esize; 552 int cq_ecount; 553 int wq_esize; 554 int wq_ecount; 555 int mq_esize; 556 int mq_ecount; 557 int rq_esize; 558 int rq_ecount; 559#define LPFC_SP_EQ_MAX_INTR_SEC 10000 560#define LPFC_FP_EQ_MAX_INTR_SEC 10000 561 562 uint32_t intr_enable; 563 struct lpfc_bmbx bmbx; 564 struct lpfc_max_cfg_param max_cfg_param; 565 uint16_t extents_in_use; /* must allocate resource extents. */ 566 uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */ 567 uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */ 568 uint16_t next_rpi; 569 uint16_t scsi_xri_max; 570 uint16_t scsi_xri_cnt; 571 uint16_t els_xri_cnt; 572 uint16_t scsi_xri_start; 573 struct list_head lpfc_free_sgl_list; 574 struct list_head lpfc_sgl_list; 575 struct list_head lpfc_abts_els_sgl_list; 576 struct list_head lpfc_abts_scsi_buf_list; 577 struct lpfc_sglq **lpfc_sglq_active_list; 578 struct list_head lpfc_rpi_hdr_list; 579 unsigned long *rpi_bmask; 580 uint16_t *rpi_ids; 581 uint16_t rpi_count; 582 struct list_head lpfc_rpi_blk_list; 583 unsigned long *xri_bmask; 584 uint16_t *xri_ids; 585 struct list_head lpfc_xri_blk_list; 586 unsigned long *vfi_bmask; 587 uint16_t *vfi_ids; 588 uint16_t vfi_count; 589 struct list_head lpfc_vfi_blk_list; 590 struct lpfc_sli4_flags sli4_flags; 591 struct list_head sp_queue_event; 592 struct list_head sp_cqe_event_pool; 593 struct list_head sp_asynce_work_queue; 594 struct list_head sp_fcp_xri_aborted_work_queue; 595 struct list_head sp_els_xri_aborted_work_queue; 596 struct list_head sp_unsol_work_queue; 597 struct lpfc_sli4_link link_state; 598 struct lpfc_sli4_lnk_info lnk_info; 599 uint32_t pport_name_sta; 600#define LPFC_SLI4_PPNAME_NON 0 601#define LPFC_SLI4_PPNAME_GET 1 602 struct lpfc_iov iov; 603 spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */ 604 spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */ 605 606 /* CPU to vector mapping information */ 607 struct lpfc_vector_map_info *cpu_map; 608 uint16_t num_online_cpu; 609 uint16_t num_present_cpu; 610 uint16_t curr_disp_cpu; 611}; 612 613enum lpfc_sge_type { 614 GEN_BUFF_TYPE, 615 SCSI_BUFF_TYPE 616}; 617 618enum lpfc_sgl_state { 619 SGL_FREED, 620 SGL_ALLOCATED, 621 SGL_XRI_ABORTED 622}; 623 624struct lpfc_sglq { 625 /* lpfc_sglqs are used in double linked lists */ 626 struct list_head list; 627 struct list_head clist; 628 enum lpfc_sge_type buff_type; /* is this a scsi sgl */ 629 enum lpfc_sgl_state state; 630 struct lpfc_nodelist *ndlp; /* ndlp associated with IO */ 631 uint16_t iotag; /* pre-assigned IO tag */ 632 uint16_t sli4_lxritag; /* logical pre-assigned xri. */ 633 uint16_t sli4_xritag; /* pre-assigned XRI, (OXID) tag. */ 634 struct sli4_sge *sgl; /* pre-assigned SGL */ 635 void *virt; /* virtual address. */ 636 dma_addr_t phys; /* physical address */ 637}; 638 639struct lpfc_rpi_hdr { 640 struct list_head list; 641 uint32_t len; 642 struct lpfc_dmabuf *dmabuf; 643 uint32_t page_count; 644 uint32_t start_rpi; 645}; 646 647struct lpfc_rsrc_blks { 648 struct list_head list; 649 uint16_t rsrc_start; 650 uint16_t rsrc_size; 651 uint16_t rsrc_used; 652}; 653 654/* 655 * SLI4 specific function prototypes 656 */ 657int lpfc_pci_function_reset(struct lpfc_hba *); 658int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *); 659int lpfc_sli4_hba_setup(struct lpfc_hba *); 660int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t, 661 uint8_t, uint32_t, bool); 662void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *); 663void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t); 664void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t, 665 struct lpfc_mbx_sge *); 666int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *, 667 uint16_t); 668 669void lpfc_sli4_hba_reset(struct lpfc_hba *); 670struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t, 671 uint32_t); 672void lpfc_sli4_queue_free(struct lpfc_queue *); 673int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t); 674int lpfc_modify_fcp_eq_delay(struct lpfc_hba *, uint32_t); 675int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *, 676 struct lpfc_queue *, uint32_t, uint32_t); 677int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *, 678 struct lpfc_queue *, uint32_t); 679int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *, 680 struct lpfc_queue *, uint32_t); 681int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *, 682 struct lpfc_queue *, struct lpfc_queue *, uint32_t); 683void lpfc_rq_adjust_repost(struct lpfc_hba *, struct lpfc_queue *, int); 684int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *); 685int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *); 686int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *); 687int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *); 688int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *, 689 struct lpfc_queue *); 690int lpfc_sli4_queue_setup(struct lpfc_hba *); 691void lpfc_sli4_queue_unset(struct lpfc_hba *); 692int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t); 693int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *); 694uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *); 695void lpfc_sli4_free_xri(struct lpfc_hba *, int); 696int lpfc_sli4_post_async_mbox(struct lpfc_hba *); 697int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int); 698struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *); 699struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *); 700void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *); 701void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *); 702int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *); 703int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *); 704int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *); 705struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *); 706void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *); 707int lpfc_sli4_alloc_rpi(struct lpfc_hba *); 708void lpfc_sli4_free_rpi(struct lpfc_hba *, int); 709void lpfc_sli4_remove_rpis(struct lpfc_hba *); 710void lpfc_sli4_async_event_proc(struct lpfc_hba *); 711void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *); 712int lpfc_sli4_resume_rpi(struct lpfc_nodelist *, 713 void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *); 714void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *); 715void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *); 716void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *, 717 struct sli4_wcqe_xri_aborted *); 718void lpfc_sli4_els_xri_aborted(struct lpfc_hba *, 719 struct sli4_wcqe_xri_aborted *); 720void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *); 721void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *); 722int lpfc_sli4_brdreset(struct lpfc_hba *); 723int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *); 724void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *); 725int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *); 726int lpfc_sli4_init_vpi(struct lpfc_vport *); 727uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool); 728uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool); 729void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t); 730int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t); 731int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t); 732int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t); 733void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *); 734void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *); 735void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *); 736int lpfc_sli4_unregister_fcf(struct lpfc_hba *); 737int lpfc_sli4_post_status_check(struct lpfc_hba *); 738uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *); 739uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *); 740