lpfc_sli4.h 21.2 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662
/*******************************************************************
 * This file is part of the Emulex Linux Device Driver for         *
 * Fibre Channel Host Bus Adapters.                                *
 * Copyright (C) 2009-2011 Emulex.  All rights reserved.           *
 * EMULEX and SLI are trademarks of Emulex.                        *
 * www.emulex.com                                                  *
 *                                                                 *
 * This program is free software; you can redistribute it and/or   *
 * modify it under the terms of version 2 of the GNU General       *
 * Public License as published by the Free Software Foundation.    *
 * This program is distributed in the hope that it will be useful. *
 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
 * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
 * more details, a copy of which can be found in the file COPYING  *
 * included with this package.                                     *
 *******************************************************************/

#define LPFC_ACTIVE_MBOX_WAIT_CNT               100
#define LPFC_XRI_EXCH_BUSY_WAIT_TMO		10000
#define LPFC_XRI_EXCH_BUSY_WAIT_T1   		10
#define LPFC_XRI_EXCH_BUSY_WAIT_T2              30000
#define LPFC_RELEASE_NOTIFICATION_INTERVAL	32
#define LPFC_RPI_LOW_WATER_MARK			10

#define LPFC_UNREG_FCF                          1
#define LPFC_SKIP_UNREG_FCF                     0

/* Amount of time in seconds for waiting FCF rediscovery to complete */
#define LPFC_FCF_REDISCOVER_WAIT_TMO		2000 /* msec */

/* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
#define LPFC_NEMBED_MBOX_SGL_CNT		254

/* Multi-queue arrangement for fast-path FCP work queues */
#define LPFC_FN_EQN_MAX       8
#define LPFC_SP_EQN_DEF       1
#define LPFC_FP_EQN_DEF       4
#define LPFC_FP_EQN_MIN       1
#define LPFC_FP_EQN_MAX       (LPFC_FN_EQN_MAX - LPFC_SP_EQN_DEF)

#define LPFC_FN_WQN_MAX       32
#define LPFC_SP_WQN_DEF       1
#define LPFC_FP_WQN_DEF       4
#define LPFC_FP_WQN_MIN       1
#define LPFC_FP_WQN_MAX       (LPFC_FN_WQN_MAX - LPFC_SP_WQN_DEF)

/*
 * Provide the default FCF Record attributes used by the driver
 * when nonFIP mode is configured and there is no other default
 * FCF Record attributes.
 */
#define LPFC_FCOE_FCF_DEF_INDEX	0
#define LPFC_FCOE_FCF_GET_FIRST	0xFFFF
#define LPFC_FCOE_FCF_NEXT_NONE	0xFFFF

#define LPFC_FCOE_NULL_VID	0xFFF
#define LPFC_FCOE_IGNORE_VID	0xFFFF

/* First 3 bytes of default FCF MAC is specified by FC_MAP */
#define LPFC_FCOE_FCF_MAC3	0xFF
#define LPFC_FCOE_FCF_MAC4	0xFF
#define LPFC_FCOE_FCF_MAC5	0xFE
#define LPFC_FCOE_FCF_MAP0	0x0E
#define LPFC_FCOE_FCF_MAP1	0xFC
#define LPFC_FCOE_FCF_MAP2	0x00
#define LPFC_FCOE_MAX_RCV_SIZE	0x800
#define LPFC_FCOE_FKA_ADV_PER	0
#define LPFC_FCOE_FIP_PRIORITY	0x80

#define sli4_sid_from_fc_hdr(fc_hdr)  \
	((fc_hdr)->fh_s_id[0] << 16 | \
	 (fc_hdr)->fh_s_id[1] <<  8 | \
	 (fc_hdr)->fh_s_id[2])

#define sli4_fctl_from_fc_hdr(fc_hdr)  \
	((fc_hdr)->fh_f_ctl[0] << 16 | \
	 (fc_hdr)->fh_f_ctl[1] <<  8 | \
	 (fc_hdr)->fh_f_ctl[2])

#define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000

enum lpfc_sli4_queue_type {
	LPFC_EQ,
	LPFC_GCQ,
	LPFC_MCQ,
	LPFC_WCQ,
	LPFC_RCQ,
	LPFC_MQ,
	LPFC_WQ,
	LPFC_HRQ,
	LPFC_DRQ
};

/* The queue sub-type defines the functional purpose of the queue */
enum lpfc_sli4_queue_subtype {
	LPFC_NONE,
	LPFC_MBOX,
	LPFC_FCP,
	LPFC_ELS,
	LPFC_USOL
};

union sli4_qe {
	void *address;
	struct lpfc_eqe *eqe;
	struct lpfc_cqe *cqe;
	struct lpfc_mcqe *mcqe;
	struct lpfc_wcqe_complete *wcqe_complete;
	struct lpfc_wcqe_release *wcqe_release;
	struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
	struct lpfc_rcqe_complete *rcqe_complete;
	struct lpfc_mqe *mqe;
	union  lpfc_wqe *wqe;
	struct lpfc_rqe *rqe;
};

struct lpfc_queue {
	struct list_head list;
	enum lpfc_sli4_queue_type type;
	enum lpfc_sli4_queue_subtype subtype;
	struct lpfc_hba *phba;
	struct list_head child_list;
	uint32_t entry_count;	/* Number of entries to support on the queue */
	uint32_t entry_size;	/* Size of each queue entry. */
	uint32_t entry_repost;	/* Count of entries before doorbell is rung */
#define LPFC_QUEUE_MIN_REPOST	8
	uint32_t queue_id;	/* Queue ID assigned by the hardware */
	uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
	struct list_head page_list;
	uint32_t page_count;	/* Number of pages allocated for this queue */
	uint32_t host_index;	/* The host's index for putting or getting */
	uint32_t hba_index;	/* The last known hba index for get or put */
	union sli4_qe qe[1];	/* array to index entries (must be last) */
};

struct lpfc_sli4_link {
	uint8_t speed;
	uint8_t duplex;
	uint8_t status;
	uint8_t type;
	uint8_t number;
	uint8_t fault;
	uint16_t logical_speed;
	uint16_t topology;
};

struct lpfc_fcf_rec {
	uint8_t  fabric_name[8];
	uint8_t  switch_name[8];
	uint8_t  mac_addr[6];
	uint16_t fcf_indx;
	uint32_t priority;
	uint16_t vlan_id;
	uint32_t addr_mode;
	uint32_t flag;
#define BOOT_ENABLE	0x01
#define RECORD_VALID	0x02
};

struct lpfc_fcf_pri_rec {
	uint16_t fcf_index;
#define LPFC_FCF_ON_PRI_LIST 0x0001
#define LPFC_FCF_FLOGI_FAILED 0x0002
	uint16_t flag;
	uint32_t priority;
};

struct lpfc_fcf_pri {
	struct list_head list;
	struct lpfc_fcf_pri_rec fcf_rec;
};

/*
 * Maximum FCF table index, it is for driver internal book keeping, it
 * just needs to be no less than the supported HBA's FCF table size.
 */
#define LPFC_SLI4_FCF_TBL_INDX_MAX	32

struct lpfc_fcf {
	uint16_t fcfi;
	uint32_t fcf_flag;
#define FCF_AVAILABLE	0x01 /* FCF available for discovery */
#define FCF_REGISTERED	0x02 /* FCF registered with FW */
#define FCF_SCAN_DONE	0x04 /* FCF table scan done */
#define FCF_IN_USE	0x08 /* Atleast one discovery completed */
#define FCF_INIT_DISC	0x10 /* Initial FCF discovery */
#define FCF_DEAD_DISC	0x20 /* FCF DEAD fast FCF failover discovery */
#define FCF_ACVL_DISC	0x40 /* All CVL fast FCF failover discovery */
#define FCF_DISCOVERY	(FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
#define FCF_REDISC_PEND	0x80 /* FCF rediscovery pending */
#define FCF_REDISC_EVT	0x100 /* FCF rediscovery event to worker thread */
#define FCF_REDISC_FOV	0x200 /* Post FCF rediscovery fast failover */
#define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
	uint32_t addr_mode;
	uint32_t eligible_fcf_cnt;
	struct lpfc_fcf_rec current_rec;
	struct lpfc_fcf_rec failover_rec;
	struct list_head fcf_pri_list;
	struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
	uint32_t current_fcf_scan_pri;
	struct timer_list redisc_wait;
	unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
};


#define LPFC_REGION23_SIGNATURE "RG23"
#define LPFC_REGION23_VERSION	1
#define LPFC_REGION23_LAST_REC  0xff
#define DRIVER_SPECIFIC_TYPE	0xA2
#define LINUX_DRIVER_ID		0x20
#define PORT_STE_TYPE		0x1

struct lpfc_fip_param_hdr {
	uint8_t type;
#define FCOE_PARAM_TYPE		0xA0
	uint8_t length;
#define FCOE_PARAM_LENGTH	2
	uint8_t parm_version;
#define FIPP_VERSION		0x01
	uint8_t parm_flags;
#define	lpfc_fip_param_hdr_fipp_mode_SHIFT	6
#define	lpfc_fip_param_hdr_fipp_mode_MASK	0x3
#define lpfc_fip_param_hdr_fipp_mode_WORD	parm_flags
#define	FIPP_MODE_ON				0x1
#define	FIPP_MODE_OFF				0x0
#define FIPP_VLAN_VALID				0x1
};

struct lpfc_fcoe_params {
	uint8_t fc_map[3];
	uint8_t reserved1;
	uint16_t vlan_tag;
	uint8_t reserved[2];
};

struct lpfc_fcf_conn_hdr {
	uint8_t type;
#define FCOE_CONN_TBL_TYPE		0xA1
	uint8_t length;   /* words */
	uint8_t reserved[2];
};

struct lpfc_fcf_conn_rec {
	uint16_t flags;
#define	FCFCNCT_VALID		0x0001
#define	FCFCNCT_BOOT		0x0002
#define	FCFCNCT_PRIMARY		0x0004   /* if not set, Secondary */
#define	FCFCNCT_FBNM_VALID	0x0008
#define	FCFCNCT_SWNM_VALID	0x0010
#define	FCFCNCT_VLAN_VALID	0x0020
#define	FCFCNCT_AM_VALID	0x0040
#define	FCFCNCT_AM_PREFERRED	0x0080   /* if not set, AM Required */
#define	FCFCNCT_AM_SPMA		0x0100	 /* if not set, FPMA */

	uint16_t vlan_tag;
	uint8_t fabric_name[8];
	uint8_t switch_name[8];
};

struct lpfc_fcf_conn_entry {
	struct list_head list;
	struct lpfc_fcf_conn_rec conn_rec;
};

/*
 * Define the host's bootstrap mailbox.  This structure contains
 * the member attributes needed to create, use, and destroy the
 * bootstrap mailbox region.
 *
 * The macro definitions for the bmbx data structure are defined
 * in lpfc_hw4.h with the register definition.
 */
struct lpfc_bmbx {
	struct lpfc_dmabuf *dmabuf;
	struct dma_address dma_address;
	void *avirt;
	dma_addr_t aphys;
	uint32_t bmbx_size;
};

#define LPFC_EQE_SIZE LPFC_EQE_SIZE_4

#define LPFC_EQE_SIZE_4B 	4
#define LPFC_EQE_SIZE_16B	16
#define LPFC_CQE_SIZE		16
#define LPFC_WQE_SIZE		64
#define LPFC_MQE_SIZE		256
#define LPFC_RQE_SIZE		8

#define LPFC_EQE_DEF_COUNT	1024
#define LPFC_CQE_DEF_COUNT      1024
#define LPFC_WQE_DEF_COUNT      256
#define LPFC_MQE_DEF_COUNT      16
#define LPFC_RQE_DEF_COUNT	512

#define LPFC_QUEUE_NOARM	false
#define LPFC_QUEUE_REARM	true


/*
 * SLI4 CT field defines
 */
#define SLI4_CT_RPI 0
#define SLI4_CT_VPI 1
#define SLI4_CT_VFI 2
#define SLI4_CT_FCFI 3

#define LPFC_SLI4_FL1_MAX_SEGMENT_SIZE	0x10000
#define LPFC_SLI4_FL1_MAX_BUF_SIZE	0X2000
#define LPFC_SLI4_MIN_BUF_SIZE		0x400
#define LPFC_SLI4_MAX_BUF_SIZE		0x20000

/*
 * SLI4 specific data structures
 */
struct lpfc_max_cfg_param {
	uint16_t max_xri;
	uint16_t xri_base;
	uint16_t xri_used;
	uint16_t max_rpi;
	uint16_t rpi_base;
	uint16_t rpi_used;
	uint16_t max_vpi;
	uint16_t vpi_base;
	uint16_t vpi_used;
	uint16_t max_vfi;
	uint16_t vfi_base;
	uint16_t vfi_used;
	uint16_t max_fcfi;
	uint16_t fcfi_used;
	uint16_t max_eq;
	uint16_t max_rq;
	uint16_t max_cq;
	uint16_t max_wq;
};

struct lpfc_hba;
/* SLI4 HBA multi-fcp queue handler struct */
struct lpfc_fcp_eq_hdl {
	uint32_t idx;
	struct lpfc_hba *phba;
};

/* Port Capabilities for SLI4 Parameters */
struct lpfc_pc_sli4_params {
	uint32_t supported;
	uint32_t if_type;
	uint32_t sli_rev;
	uint32_t sli_family;
	uint32_t featurelevel_1;
	uint32_t featurelevel_2;
	uint32_t proto_types;
#define LPFC_SLI4_PROTO_FCOE	0x0000001
#define LPFC_SLI4_PROTO_FC	0x0000002
#define LPFC_SLI4_PROTO_NIC	0x0000004
#define LPFC_SLI4_PROTO_ISCSI	0x0000008
#define LPFC_SLI4_PROTO_RDMA	0x0000010
	uint32_t sge_supp_len;
	uint32_t if_page_sz;
	uint32_t rq_db_window;
	uint32_t loopbk_scope;
	uint32_t eq_pages_max;
	uint32_t eqe_size;
	uint32_t cq_pages_max;
	uint32_t cqe_size;
	uint32_t mq_pages_max;
	uint32_t mqe_size;
	uint32_t mq_elem_cnt;
	uint32_t wq_pages_max;
	uint32_t wqe_size;
	uint32_t rq_pages_max;
	uint32_t rqe_size;
	uint32_t hdr_pages_max;
	uint32_t hdr_size;
	uint32_t hdr_pp_align;
	uint32_t sgl_pages_max;
	uint32_t sgl_pp_align;
	uint8_t cqv;
	uint8_t mqv;
	uint8_t wqv;
	uint8_t rqv;
};

struct lpfc_iov {
	uint32_t pf_number;
	uint32_t vf_number;
};

struct lpfc_sli4_lnk_info {
	uint8_t lnk_dv;
#define LPFC_LNK_DAT_INVAL	0
#define LPFC_LNK_DAT_VAL	1
	uint8_t lnk_tp;
#define LPFC_LNK_GE	0x0 /* FCoE */
#define LPFC_LNK_FC	0x1 /* FC   */
	uint8_t lnk_no;
};

/* SLI4 HBA data structure entries */
struct lpfc_sli4_hba {
	void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
					     PCI BAR0, config space registers */
	void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
					     PCI BAR1, control registers */
	void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
					     PCI BAR2, doorbell registers */
	union {
		struct {
			/* IF Type 0, BAR 0 PCI cfg space reg mem map */
			void __iomem *UERRLOregaddr;
			void __iomem *UERRHIregaddr;
			void __iomem *UEMASKLOregaddr;
			void __iomem *UEMASKHIregaddr;
		} if_type0;
		struct {
			/* IF Type 2, BAR 0 PCI cfg space reg mem map. */
			void __iomem *STATUSregaddr;
			void __iomem *CTRLregaddr;
			void __iomem *ERR1regaddr;
#define SLIPORT_ERR1_REG_ERR_CODE_1		0x1
#define SLIPORT_ERR1_REG_ERR_CODE_2		0x2
			void __iomem *ERR2regaddr;
#define SLIPORT_ERR2_REG_FW_RESTART		0x0
#define SLIPORT_ERR2_REG_FUNC_PROVISON		0x1
#define SLIPORT_ERR2_REG_FORCED_DUMP		0x2
#define SLIPORT_ERR2_REG_FAILURE_EQ		0x3
#define SLIPORT_ERR2_REG_FAILURE_CQ		0x4
#define SLIPORT_ERR2_REG_FAILURE_BUS		0x5
#define SLIPORT_ERR2_REG_FAILURE_RQ		0x6
		} if_type2;
	} u;

	/* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
	void __iomem *PSMPHRregaddr;

	/* Well-known SLI INTF register memory map. */
	void __iomem *SLIINTFregaddr;

	/* IF type 0, BAR 1 function CSR register memory map */
	void __iomem *ISRregaddr;	/* HST_ISR register */
	void __iomem *IMRregaddr;	/* HST_IMR register */
	void __iomem *ISCRregaddr;	/* HST_ISCR register */
	/* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
	void __iomem *RQDBregaddr;	/* RQ_DOORBELL register */
	void __iomem *WQDBregaddr;	/* WQ_DOORBELL register */
	void __iomem *EQCQDBregaddr;	/* EQCQ_DOORBELL register */
	void __iomem *MQDBregaddr;	/* MQ_DOORBELL register */
	void __iomem *BMBXregaddr;	/* BootStrap MBX register */

	uint32_t ue_mask_lo;
	uint32_t ue_mask_hi;
	struct lpfc_register sli_intf;
	struct lpfc_pc_sli4_params pc_sli4_params;
	struct msix_entry *msix_entries;
	uint32_t cfg_eqn;
	uint32_t msix_vec_nr;
	struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
	/* Pointers to the constructed SLI4 queues */
	struct lpfc_queue **fp_eq; /* Fast-path event queue */
	struct lpfc_queue *sp_eq;  /* Slow-path event queue */
	struct lpfc_queue **fcp_wq;/* Fast-path FCP work queue */
	struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
	struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
	struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
	struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
	struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */
	struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
	struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */

	/* Setup information for various queue parameters */
	int eq_esize;
	int eq_ecount;
	int cq_esize;
	int cq_ecount;
	int wq_esize;
	int wq_ecount;
	int mq_esize;
	int mq_ecount;
	int rq_esize;
	int rq_ecount;
#define LPFC_SP_EQ_MAX_INTR_SEC         10000
#define LPFC_FP_EQ_MAX_INTR_SEC         10000

	uint32_t intr_enable;
	struct lpfc_bmbx bmbx;
	struct lpfc_max_cfg_param max_cfg_param;
	uint16_t extents_in_use; /* must allocate resource extents. */
	uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
	uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
	uint16_t next_rpi;
	uint16_t scsi_xri_max;
	uint16_t scsi_xri_cnt;
	uint16_t scsi_xri_start;
	struct list_head lpfc_free_sgl_list;
	struct list_head lpfc_sgl_list;
	struct lpfc_sglq **lpfc_els_sgl_array;
	struct list_head lpfc_abts_els_sgl_list;
	struct lpfc_scsi_buf **lpfc_scsi_psb_array;
	struct list_head lpfc_abts_scsi_buf_list;
	uint32_t total_sglq_bufs;
	struct lpfc_sglq **lpfc_sglq_active_list;
	struct list_head lpfc_rpi_hdr_list;
	unsigned long *rpi_bmask;
	uint16_t *rpi_ids;
	uint16_t rpi_count;
	struct list_head lpfc_rpi_blk_list;
	unsigned long *xri_bmask;
	uint16_t *xri_ids;
	uint16_t xri_count;
	struct list_head lpfc_xri_blk_list;
	unsigned long *vfi_bmask;
	uint16_t *vfi_ids;
	uint16_t vfi_count;
	struct list_head lpfc_vfi_blk_list;
	struct lpfc_sli4_flags sli4_flags;
	struct list_head sp_queue_event;
	struct list_head sp_cqe_event_pool;
	struct list_head sp_asynce_work_queue;
	struct list_head sp_fcp_xri_aborted_work_queue;
	struct list_head sp_els_xri_aborted_work_queue;
	struct list_head sp_unsol_work_queue;
	struct lpfc_sli4_link link_state;
	struct lpfc_sli4_lnk_info lnk_info;
	uint32_t pport_name_sta;
#define LPFC_SLI4_PPNAME_NON	0
#define LPFC_SLI4_PPNAME_GET	1
	struct lpfc_iov iov;
	spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
	spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */
};

enum lpfc_sge_type {
	GEN_BUFF_TYPE,
	SCSI_BUFF_TYPE
};

enum lpfc_sgl_state {
	SGL_FREED,
	SGL_ALLOCATED,
	SGL_XRI_ABORTED
};

struct lpfc_sglq {
	/* lpfc_sglqs are used in double linked lists */
	struct list_head list;
	struct list_head clist;
	enum lpfc_sge_type buff_type; /* is this a scsi sgl */
	enum lpfc_sgl_state state;
	struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
	uint16_t iotag;         /* pre-assigned IO tag */
	uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
	uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
	struct sli4_sge *sgl;	/* pre-assigned SGL */
	void *virt;		/* virtual address. */
	dma_addr_t phys;	/* physical address */
};

struct lpfc_rpi_hdr {
	struct list_head list;
	uint32_t len;
	struct lpfc_dmabuf *dmabuf;
	uint32_t page_count;
	uint32_t start_rpi;
};

struct lpfc_rsrc_blks {
	struct list_head list;
	uint16_t rsrc_start;
	uint16_t rsrc_size;
	uint16_t rsrc_used;
};

/*
 * SLI4 specific function prototypes
 */
int lpfc_pci_function_reset(struct lpfc_hba *);
int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
int lpfc_sli4_hba_setup(struct lpfc_hba *);
int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
		     uint8_t, uint32_t, bool);
void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
			   struct lpfc_mbx_sge *);
int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
			       uint16_t);

void lpfc_sli4_hba_reset(struct lpfc_hba *);
struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
			uint32_t);
void lpfc_sli4_queue_free(struct lpfc_queue *);
uint32_t lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint16_t);
uint32_t lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
			struct lpfc_queue *, uint32_t, uint32_t);
int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
		       struct lpfc_queue *, uint32_t);
uint32_t lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
			struct lpfc_queue *, uint32_t);
uint32_t lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
			struct lpfc_queue *, struct lpfc_queue *, uint32_t);
void lpfc_rq_adjust_repost(struct lpfc_hba *, struct lpfc_queue *, int);
uint32_t lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
uint32_t lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
uint32_t lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
uint32_t lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
uint32_t lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
			 struct lpfc_queue *);
int lpfc_sli4_queue_setup(struct lpfc_hba *);
void lpfc_sli4_queue_unset(struct lpfc_hba *);
int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
int lpfc_sli4_post_els_sgl_list(struct lpfc_hba *phba);
int lpfc_sli4_post_els_sgl_list_ext(struct lpfc_hba *phba);
int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
int lpfc_sli4_post_scsi_sgl_blk_ext(struct lpfc_hba *, struct list_head *,
				    int);
struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
void lpfc_sli4_remove_rpis(struct lpfc_hba *);
void lpfc_sli4_async_event_proc(struct lpfc_hba *);
void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
int lpfc_sli4_resume_rpi(struct lpfc_nodelist *);
void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
			       struct sli4_wcqe_xri_aborted *);
void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
			       struct sli4_wcqe_xri_aborted *);
void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
int lpfc_sli4_brdreset(struct lpfc_hba *);
int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
int lpfc_sli4_init_vpi(struct lpfc_vport *);
uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
int lpfc_sli4_post_status_check(struct lpfc_hba *);
uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);