LXR linux/drivers/scsi/lpfc/lpfc

   1/*******************************************************************
   2 * This file is part of the Emulex Linux Device Driver for         *
   3 * Fibre Channel Host Bus Adapters.                                *
   4 * Copyright (C) 2017 Broadcom. All Rights Reserved. The term      *
   5 * “Broadcom” refers to Broadcom Limited 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
  94enum 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 */
 107enum 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
 118union 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 */
 134struct 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
 145struct lpfc_queue {
 146        struct list_head list;
 147        struct list_head wq_list;
 148        enum lpfc_sli4_queue_type type;
 149        enum lpfc_sli4_queue_subtype subtype;
 150        struct lpfc_hba *phba;
 151        struct list_head child_list;
 152        struct list_head page_list;
 153        struct list_head sgl_list;
 154        uint32_t entry_count;   /* Number of entries to support on the queue */
 155        uint32_t entry_size;    /* Size of each queue entry. */
 156        uint32_t entry_repost;  /* Count of entries before doorbell is rung */
 157#define LPFC_EQ_REPOST          8
 158#define LPFC_MQ_REPOST          8
 159#define LPFC_CQ_REPOST          64
 160#define LPFC_RQ_REPOST          64
 161#define LPFC_RELEASE_NOTIFICATION_INTERVAL      32  /* For WQs */
 162        uint32_t queue_id;      /* Queue ID assigned by the hardware */
 163        uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
 164        uint32_t page_count;    /* Number of pages allocated for this queue */
 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 db_format;
 173#define LPFC_DB_RING_FORMAT     0x01
 174#define LPFC_DB_LIST_FORMAT     0x02
 175        void __iomem *db_regaddr;
 176        /* For q stats */
 177        uint32_t q_cnt_1;
 178        uint32_t q_cnt_2;
 179        uint32_t q_cnt_3;
 180        uint64_t q_cnt_4;
 181/* defines for EQ stats */
 182#define EQ_max_eqe              q_cnt_1
 183#define EQ_no_entry             q_cnt_2
 184#define EQ_cqe_cnt              q_cnt_3
 185#define EQ_processed            q_cnt_4
 186
 187/* defines for CQ stats */
 188#define CQ_mbox                 q_cnt_1
 189#define CQ_max_cqe              q_cnt_1
 190#define CQ_release_wqe          q_cnt_2
 191#define CQ_xri_aborted          q_cnt_3
 192#define CQ_wq                   q_cnt_4
 193
 194/* defines for WQ stats */
 195#define WQ_overflow             q_cnt_1
 196#define WQ_posted               q_cnt_4
 197
 198/* defines for RQ stats */
 199#define RQ_no_posted_buf        q_cnt_1
 200#define RQ_no_buf_found         q_cnt_2
 201#define RQ_buf_posted           q_cnt_3
 202#define RQ_rcv_buf              q_cnt_4
 203
 204        struct work_struct irqwork;
 205        struct work_struct spwork;
 206
 207        uint64_t isr_timestamp;
 208        struct lpfc_queue *assoc_qp;
 209        union sli4_qe qe[1];    /* array to index entries (must be last) */
 210};
 211
 212struct lpfc_sli4_link {
 213        uint16_t speed;
 214        uint8_t duplex;
 215        uint8_t status;
 216        uint8_t type;
 217        uint8_t number;
 218        uint8_t fault;
 219        uint16_t logical_speed;
 220        uint16_t topology;
 221};
 222
 223struct lpfc_fcf_rec {
 224        uint8_t  fabric_name[8];
 225        uint8_t  switch_name[8];
 226        uint8_t  mac_addr[6];
 227        uint16_t fcf_indx;
 228        uint32_t priority;
 229        uint16_t vlan_id;
 230        uint32_t addr_mode;
 231        uint32_t flag;
 232#define BOOT_ENABLE     0x01
 233#define RECORD_VALID    0x02
 234};
 235
 236struct lpfc_fcf_pri_rec {
 237        uint16_t fcf_index;
 238#define LPFC_FCF_ON_PRI_LIST 0x0001
 239#define LPFC_FCF_FLOGI_FAILED 0x0002
 240        uint16_t flag;
 241        uint32_t priority;
 242};
 243
 244struct lpfc_fcf_pri {
 245        struct list_head list;
 246        struct lpfc_fcf_pri_rec fcf_rec;
 247};
 248
 249/*
 250 * Maximum FCF table index, it is for driver internal book keeping, it
 251 * just needs to be no less than the supported HBA's FCF table size.
 252 */
 253#define LPFC_SLI4_FCF_TBL_INDX_MAX      32
 254
 255struct lpfc_fcf {
 256        uint16_t fcfi;
 257        uint32_t fcf_flag;
 258#define FCF_AVAILABLE   0x01 /* FCF available for discovery */
 259#define FCF_REGISTERED  0x02 /* FCF registered with FW */
 260#define FCF_SCAN_DONE   0x04 /* FCF table scan done */
 261#define FCF_IN_USE      0x08 /* Atleast one discovery completed */
 262#define FCF_INIT_DISC   0x10 /* Initial FCF discovery */
 263#define FCF_DEAD_DISC   0x20 /* FCF DEAD fast FCF failover discovery */
 264#define FCF_ACVL_DISC   0x40 /* All CVL fast FCF failover discovery */
 265#define FCF_DISCOVERY   (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
 266#define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
 267#define FCF_REDISC_EVT  0x100 /* FCF rediscovery event to worker thread */
 268#define FCF_REDISC_FOV  0x200 /* Post FCF rediscovery fast failover */
 269#define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
 270        uint32_t addr_mode;
 271        uint32_t eligible_fcf_cnt;
 272        struct lpfc_fcf_rec current_rec;
 273        struct lpfc_fcf_rec failover_rec;
 274        struct list_head fcf_pri_list;
 275        struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
 276        uint32_t current_fcf_scan_pri;
 277        struct timer_list redisc_wait;
 278        unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
 279};
 280
 281
 282#define LPFC_REGION23_SIGNATURE "RG23"
 283#define LPFC_REGION23_VERSION   1
 284#define LPFC_REGION23_LAST_REC  0xff
 285#define DRIVER_SPECIFIC_TYPE    0xA2
 286#define LINUX_DRIVER_ID         0x20
 287#define PORT_STE_TYPE           0x1
 288
 289struct lpfc_fip_param_hdr {
 290        uint8_t type;
 291#define FCOE_PARAM_TYPE         0xA0
 292        uint8_t length;
 293#define FCOE_PARAM_LENGTH       2
 294        uint8_t parm_version;
 295#define FIPP_VERSION            0x01
 296        uint8_t parm_flags;
 297#define lpfc_fip_param_hdr_fipp_mode_SHIFT      6
 298#define lpfc_fip_param_hdr_fipp_mode_MASK       0x3
 299#define lpfc_fip_param_hdr_fipp_mode_WORD       parm_flags
 300#define FIPP_MODE_ON                            0x1
 301#define FIPP_MODE_OFF                           0x0
 302#define FIPP_VLAN_VALID                         0x1
 303};
 304
 305struct lpfc_fcoe_params {
 306        uint8_t fc_map[3];
 307        uint8_t reserved1;
 308        uint16_t vlan_tag;
 309        uint8_t reserved[2];
 310};
 311
 312struct lpfc_fcf_conn_hdr {
 313        uint8_t type;
 314#define FCOE_CONN_TBL_TYPE              0xA1
 315        uint8_t length;   /* words */
 316        uint8_t reserved[2];
 317};
 318
 319struct lpfc_fcf_conn_rec {
 320        uint16_t flags;
 321#define FCFCNCT_VALID           0x0001
 322#define FCFCNCT_BOOT            0x0002
 323#define FCFCNCT_PRIMARY         0x0004   /* if not set, Secondary */
 324#define FCFCNCT_FBNM_VALID      0x0008
 325#define FCFCNCT_SWNM_VALID      0x0010
 326#define FCFCNCT_VLAN_VALID      0x0020
 327#define FCFCNCT_AM_VALID        0x0040
 328#define FCFCNCT_AM_PREFERRED    0x0080   /* if not set, AM Required */
 329#define FCFCNCT_AM_SPMA         0x0100   /* if not set, FPMA */
 330
 331        uint16_t vlan_tag;
 332        uint8_t fabric_name[8];
 333        uint8_t switch_name[8];
 334};
 335
 336struct lpfc_fcf_conn_entry {
 337        struct list_head list;
 338        struct lpfc_fcf_conn_rec conn_rec;
 339};
 340
 341/*
 342 * Define the host's bootstrap mailbox.  This structure contains
 343 * the member attributes needed to create, use, and destroy the
 344 * bootstrap mailbox region.
 345 *
 346 * The macro definitions for the bmbx data structure are defined
 347 * in lpfc_hw4.h with the register definition.
 348 */
 349struct lpfc_bmbx {
 350        struct lpfc_dmabuf *dmabuf;
 351        struct dma_address dma_address;
 352        void *avirt;
 353        dma_addr_t aphys;
 354        uint32_t bmbx_size;
 355};
 356
 357#define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
 358
 359#define LPFC_EQE_SIZE_4B        4
 360#define LPFC_EQE_SIZE_16B       16
 361#define LPFC_CQE_SIZE           16
 362#define LPFC_WQE_SIZE           64
 363#define LPFC_WQE128_SIZE        128
 364#define LPFC_MQE_SIZE           256
 365#define LPFC_RQE_SIZE           8
 366
 367#define LPFC_EQE_DEF_COUNT      1024
 368#define LPFC_CQE_DEF_COUNT      1024
 369#define LPFC_WQE_DEF_COUNT      256
 370#define LPFC_WQE128_DEF_COUNT   128
 371#define LPFC_WQE128_MAX_COUNT   256
 372#define LPFC_MQE_DEF_COUNT      16
 373#define LPFC_RQE_DEF_COUNT      512
 374
 375#define LPFC_QUEUE_NOARM        false
 376#define LPFC_QUEUE_REARM        true
 377
 378
 379/*
 380 * SLI4 CT field defines
 381 */
 382#define SLI4_CT_RPI 0
 383#define SLI4_CT_VPI 1
 384#define SLI4_CT_VFI 2
 385#define SLI4_CT_FCFI 3
 386
 387/*
 388 * SLI4 specific data structures
 389 */
 390struct lpfc_max_cfg_param {
 391        uint16_t max_xri;
 392        uint16_t xri_base;
 393        uint16_t xri_used;
 394        uint16_t max_rpi;
 395        uint16_t rpi_base;
 396        uint16_t rpi_used;
 397        uint16_t max_vpi;
 398        uint16_t vpi_base;
 399        uint16_t vpi_used;
 400        uint16_t max_vfi;
 401        uint16_t vfi_base;
 402        uint16_t vfi_used;
 403        uint16_t max_fcfi;
 404        uint16_t fcfi_used;
 405        uint16_t max_eq;
 406        uint16_t max_rq;
 407        uint16_t max_cq;
 408        uint16_t max_wq;
 409};
 410
 411struct lpfc_hba;
 412/* SLI4 HBA multi-fcp queue handler struct */
 413#define LPFC_SLI4_HANDLER_NAME_SZ       16
 414struct lpfc_hba_eq_hdl {
 415        uint32_t idx;
 416        char handler_name[LPFC_SLI4_HANDLER_NAME_SZ];
 417        struct lpfc_hba *phba;
 418        atomic_t hba_eq_in_use;
 419        struct cpumask *cpumask;
 420        /* CPU affinitsed to or 0xffffffff if multiple */
 421        uint32_t cpu;
 422#define LPFC_MULTI_CPU_AFFINITY 0xffffffff
 423};
 424
 425/*BB Credit recovery value*/
 426struct lpfc_bbscn_params {
 427        uint32_t word0;
 428#define lpfc_bbscn_min_SHIFT            0
 429#define lpfc_bbscn_min_MASK             0x0000000F
 430#define lpfc_bbscn_min_WORD             word0
 431#define lpfc_bbscn_max_SHIFT            4
 432#define lpfc_bbscn_max_MASK             0x0000000F
 433#define lpfc_bbscn_max_WORD             word0
 434#define lpfc_bbscn_def_SHIFT            8
 435#define lpfc_bbscn_def_MASK             0x0000000F
 436#define lpfc_bbscn_def_WORD             word0
 437};
 438
 439/* Port Capabilities for SLI4 Parameters */
 440struct lpfc_pc_sli4_params {
 441        uint32_t supported;
 442        uint32_t if_type;
 443        uint32_t sli_rev;
 444        uint32_t sli_family;
 445        uint32_t featurelevel_1;
 446        uint32_t featurelevel_2;
 447        uint32_t proto_types;
 448#define LPFC_SLI4_PROTO_FCOE    0x0000001
 449#define LPFC_SLI4_PROTO_FC      0x0000002
 450#define LPFC_SLI4_PROTO_NIC     0x0000004
 451#define LPFC_SLI4_PROTO_ISCSI   0x0000008
 452#define LPFC_SLI4_PROTO_RDMA    0x0000010
 453        uint32_t sge_supp_len;
 454        uint32_t if_page_sz;
 455        uint32_t rq_db_window;
 456        uint32_t loopbk_scope;
 457        uint32_t oas_supported;
 458        uint32_t eq_pages_max;
 459        uint32_t eqe_size;
 460        uint32_t cq_pages_max;
 461        uint32_t cqe_size;
 462        uint32_t mq_pages_max;
 463        uint32_t mqe_size;
 464        uint32_t mq_elem_cnt;
 465        uint32_t wq_pages_max;
 466        uint32_t wqe_size;
 467        uint32_t rq_pages_max;
 468        uint32_t rqe_size;
 469        uint32_t hdr_pages_max;
 470        uint32_t hdr_size;
 471        uint32_t hdr_pp_align;
 472        uint32_t sgl_pages_max;
 473        uint32_t sgl_pp_align;
 474        uint8_t cqv;
 475        uint8_t mqv;
 476        uint8_t wqv;
 477        uint8_t rqv;
 478        uint8_t wqsize;
 479#define LPFC_WQ_SZ64_SUPPORT    1
 480#define LPFC_WQ_SZ128_SUPPORT   2
 481        uint8_t wqpcnt;
 482};
 483
 484struct lpfc_iov {
 485        uint32_t pf_number;
 486        uint32_t vf_number;
 487};
 488
 489struct lpfc_sli4_lnk_info {
 490        uint8_t lnk_dv;
 491#define LPFC_LNK_DAT_INVAL      0
 492#define LPFC_LNK_DAT_VAL        1
 493        uint8_t lnk_tp;
 494#define LPFC_LNK_GE     0x0 /* FCoE */
 495#define LPFC_LNK_FC     0x1 /* FC   */
 496        uint8_t lnk_no;
 497        uint8_t optic_state;
 498};
 499
 500#define LPFC_SLI4_HANDLER_CNT           (LPFC_HBA_IO_CHAN_MAX+ \
 501                                         LPFC_FOF_IO_CHAN_NUM)
 502
 503/* Used for IRQ vector to CPU mapping */
 504struct lpfc_vector_map_info {
 505        uint16_t        phys_id;
 506        uint16_t        core_id;
 507        uint16_t        irq;
 508        uint16_t        channel_id;
 509};
 510#define LPFC_VECTOR_MAP_EMPTY   0xffff
 511
 512/* SLI4 HBA data structure entries */
 513struct lpfc_sli4_hba {
 514        void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
 515                                             PCI BAR0, config space registers */
 516        void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
 517                                             PCI BAR1, control registers */
 518        void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
 519                                             PCI BAR2, doorbell registers */
 520        union {
 521                struct {
 522                        /* IF Type 0, BAR 0 PCI cfg space reg mem map */
 523                        void __iomem *UERRLOregaddr;
 524                        void __iomem *UERRHIregaddr;
 525                        void __iomem *UEMASKLOregaddr;
 526                        void __iomem *UEMASKHIregaddr;
 527                } if_type0;
 528                struct {
 529                        /* IF Type 2, BAR 0 PCI cfg space reg mem map. */
 530                        void __iomem *STATUSregaddr;
 531                        void __iomem *CTRLregaddr;
 532                        void __iomem *ERR1regaddr;
 533#define SLIPORT_ERR1_REG_ERR_CODE_1             0x1
 534#define SLIPORT_ERR1_REG_ERR_CODE_2             0x2
 535                        void __iomem *ERR2regaddr;
 536#define SLIPORT_ERR2_REG_FW_RESTART             0x0
 537#define SLIPORT_ERR2_REG_FUNC_PROVISON          0x1
 538#define SLIPORT_ERR2_REG_FORCED_DUMP            0x2
 539#define SLIPORT_ERR2_REG_FAILURE_EQ             0x3
 540#define SLIPORT_ERR2_REG_FAILURE_CQ             0x4
 541#define SLIPORT_ERR2_REG_FAILURE_BUS            0x5
 542#define SLIPORT_ERR2_REG_FAILURE_RQ             0x6
 543                        void __iomem *EQDregaddr;
 544                } if_type2;
 545        } u;
 546
 547        /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
 548        void __iomem *PSMPHRregaddr;
 549
 550        /* Well-known SLI INTF register memory map. */
 551        void __iomem *SLIINTFregaddr;
 552
 553        /* IF type 0, BAR 1 function CSR register memory map */
 554        void __iomem *ISRregaddr;       /* HST_ISR register */
 555        void __iomem *IMRregaddr;       /* HST_IMR register */
 556        void __iomem *ISCRregaddr;      /* HST_ISCR register */
 557        /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
 558        void __iomem *RQDBregaddr;      /* RQ_DOORBELL register */
 559        void __iomem *WQDBregaddr;      /* WQ_DOORBELL register */
 560        void __iomem *EQCQDBregaddr;    /* EQCQ_DOORBELL register */
 561        void __iomem *MQDBregaddr;      /* MQ_DOORBELL register */
 562        void __iomem *BMBXregaddr;      /* BootStrap MBX register */
 563
 564        uint32_t ue_mask_lo;
 565        uint32_t ue_mask_hi;
 566        uint32_t ue_to_sr;
 567        uint32_t ue_to_rp;
 568        struct lpfc_register sli_intf;
 569        struct lpfc_pc_sli4_params pc_sli4_params;
 570        struct lpfc_bbscn_params bbscn_params;
 571        struct lpfc_hba_eq_hdl *hba_eq_hdl; /* HBA per-WQ handle */
 572
 573        /* Pointers to the constructed SLI4 queues */
 574        struct lpfc_queue **hba_eq;  /* Event queues for HBA */
 575        struct lpfc_queue **fcp_cq;  /* Fast-path FCP compl queue */
 576        struct lpfc_queue **nvme_cq; /* Fast-path NVME compl queue */
 577        struct lpfc_queue **nvmet_cqset; /* Fast-path NVMET CQ Set queues */
 578        struct lpfc_queue **nvmet_mrq_hdr; /* Fast-path NVMET hdr MRQs */
 579        struct lpfc_queue **nvmet_mrq_data; /* Fast-path NVMET data MRQs */
 580        struct lpfc_queue **fcp_wq;  /* Fast-path FCP work queue */
 581        struct lpfc_queue **nvme_wq; /* Fast-path NVME work queue */
 582        uint16_t *fcp_cq_map;
 583        uint16_t *nvme_cq_map;
 584        struct list_head lpfc_wq_list;
 585
 586        struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
 587        struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
 588        struct lpfc_queue *nvmels_cq; /* NVME LS complete queue */
 589        struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
 590        struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
 591        struct lpfc_queue *nvmels_wq; /* NVME LS work queue */
 592        struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
 593        struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
 594
 595        struct lpfc_name wwnn;
 596        struct lpfc_name wwpn;
 597
 598        uint32_t fw_func_mode;  /* FW function protocol mode */
 599        uint32_t ulp0_mode;     /* ULP0 protocol mode */
 600        uint32_t ulp1_mode;     /* ULP1 protocol mode */
 601
 602        struct lpfc_queue *fof_eq; /* Flash Optimized Fabric Event queue */
 603
 604        /* Optimized Access Storage specific queues/structures */
 605
 606        struct lpfc_queue *oas_cq; /* OAS completion queue */
 607        struct lpfc_queue *oas_wq; /* OAS Work queue */
 608        struct lpfc_sli_ring *oas_ring;
 609        uint64_t oas_next_lun;
 610        uint8_t oas_next_tgt_wwpn[8];
 611        uint8_t oas_next_vpt_wwpn[8];
 612
 613        /* Setup information for various queue parameters */
 614        int eq_esize;
 615        int eq_ecount;
 616        int cq_esize;
 617        int cq_ecount;
 618        int wq_esize;
 619        int wq_ecount;
 620        int mq_esize;
 621        int mq_ecount;
 622        int rq_esize;
 623        int rq_ecount;
 624#define LPFC_SP_EQ_MAX_INTR_SEC         10000
 625#define LPFC_FP_EQ_MAX_INTR_SEC         10000
 626
 627        uint32_t intr_enable;
 628        struct lpfc_bmbx bmbx;
 629        struct lpfc_max_cfg_param max_cfg_param;
 630        uint16_t extents_in_use; /* must allocate resource extents. */
 631        uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
 632        uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
 633        uint16_t next_rpi;
 634        uint16_t nvme_xri_max;
 635        uint16_t nvme_xri_cnt;
 636        uint16_t nvme_xri_start;
 637        uint16_t scsi_xri_max;
 638        uint16_t scsi_xri_cnt;
 639        uint16_t scsi_xri_start;
 640        uint16_t els_xri_cnt;
 641        uint16_t nvmet_xri_cnt;
 642        uint16_t nvmet_io_wait_cnt;
 643        uint16_t nvmet_io_wait_total;
 644        struct list_head lpfc_els_sgl_list;
 645        struct list_head lpfc_abts_els_sgl_list;
 646        struct list_head lpfc_nvmet_sgl_list;
 647        struct list_head lpfc_abts_nvmet_ctx_list;
 648        struct list_head lpfc_abts_scsi_buf_list;
 649        struct list_head lpfc_abts_nvme_buf_list;
 650        struct list_head lpfc_nvmet_io_wait_list;
 651        struct lpfc_nvmet_ctx_info *nvmet_ctx_info;
 652        struct lpfc_sglq **lpfc_sglq_active_list;
 653        struct list_head lpfc_rpi_hdr_list;
 654        unsigned long *rpi_bmask;
 655        uint16_t *rpi_ids;
 656        uint16_t rpi_count;
 657        struct list_head lpfc_rpi_blk_list;
 658        unsigned long *xri_bmask;
 659        uint16_t *xri_ids;
 660        struct list_head lpfc_xri_blk_list;
 661        unsigned long *vfi_bmask;
 662        uint16_t *vfi_ids;
 663        uint16_t vfi_count;
 664        struct list_head lpfc_vfi_blk_list;
 665        struct lpfc_sli4_flags sli4_flags;
 666        struct list_head sp_queue_event;
 667        struct list_head sp_cqe_event_pool;
 668        struct list_head sp_asynce_work_queue;
 669        struct list_head sp_fcp_xri_aborted_work_queue;
 670        struct list_head sp_els_xri_aborted_work_queue;
 671        struct list_head sp_nvme_xri_aborted_work_queue;
 672        struct list_head sp_unsol_work_queue;
 673        struct lpfc_sli4_link link_state;
 674        struct lpfc_sli4_lnk_info lnk_info;
 675        uint32_t pport_name_sta;
 676#define LPFC_SLI4_PPNAME_NON    0
 677#define LPFC_SLI4_PPNAME_GET    1
 678        struct lpfc_iov iov;
 679        spinlock_t abts_nvme_buf_list_lock; /* list of aborted SCSI IOs */
 680        spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
 681        spinlock_t sgl_list_lock; /* list of aborted els IOs */
 682        spinlock_t nvmet_io_wait_lock; /* IOs waiting for ctx resources */
 683        uint32_t physical_port;
 684
 685        /* CPU to vector mapping information */
 686        struct lpfc_vector_map_info *cpu_map;
 687        uint16_t num_online_cpu;
 688        uint16_t num_present_cpu;
 689        uint16_t curr_disp_cpu;
 690};
 691
 692enum lpfc_sge_type {
 693        GEN_BUFF_TYPE,
 694        SCSI_BUFF_TYPE,
 695        NVMET_BUFF_TYPE
 696};
 697
 698enum lpfc_sgl_state {
 699        SGL_FREED,
 700        SGL_ALLOCATED,
 701        SGL_XRI_ABORTED
 702};
 703
 704struct lpfc_sglq {
 705        /* lpfc_sglqs are used in double linked lists */
 706        struct list_head list;
 707        struct list_head clist;
 708        enum lpfc_sge_type buff_type; /* is this a scsi sgl */
 709        enum lpfc_sgl_state state;
 710        struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
 711        uint16_t iotag;         /* pre-assigned IO tag */
 712        uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
 713        uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
 714        struct sli4_sge *sgl;   /* pre-assigned SGL */
 715        void *virt;             /* virtual address. */
 716        dma_addr_t phys;        /* physical address */
 717};
 718
 719struct lpfc_rpi_hdr {
 720        struct list_head list;
 721        uint32_t len;
 722        struct lpfc_dmabuf *dmabuf;
 723        uint32_t page_count;
 724        uint32_t start_rpi;
 725        uint16_t next_rpi;
 726};
 727
 728struct lpfc_rsrc_blks {
 729        struct list_head list;
 730        uint16_t rsrc_start;
 731        uint16_t rsrc_size;
 732        uint16_t rsrc_used;
 733};
 734
 735struct lpfc_rdp_context {
 736        struct lpfc_nodelist *ndlp;
 737        uint16_t ox_id;
 738        uint16_t rx_id;
 739        READ_LNK_VAR link_stat;
 740        uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
 741        uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
 742        void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
 743};
 744
 745struct lpfc_lcb_context {
 746        uint8_t  sub_command;
 747        uint8_t  type;
 748        uint8_t  frequency;
 749        uint16_t ox_id;
 750        uint16_t rx_id;
 751        struct lpfc_nodelist *ndlp;
 752};
 753
 754
 755/*
 756 * SLI4 specific function prototypes
 757 */
 758int lpfc_pci_function_reset(struct lpfc_hba *);
 759int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
 760int lpfc_sli4_hba_setup(struct lpfc_hba *);
 761int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
 762                     uint8_t, uint32_t, bool);
 763void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
 764void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
 765void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
 766                           struct lpfc_mbx_sge *);
 767int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
 768                               uint16_t);
 769
 770void lpfc_sli4_hba_reset(struct lpfc_hba *);
 771struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
 772                        uint32_t);
 773void lpfc_sli4_queue_free(struct lpfc_queue *);
 774int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
 775int lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq,
 776                             uint32_t numq, uint32_t imax);
 777int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
 778                        struct lpfc_queue *, uint32_t, uint32_t);
 779int lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp,
 780                        struct lpfc_queue **eqp, uint32_t type,
 781                        uint32_t subtype);
 782int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
 783                       struct lpfc_queue *, uint32_t);
 784int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
 785                        struct lpfc_queue *, uint32_t);
 786int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
 787                        struct lpfc_queue *, struct lpfc_queue *, uint32_t);
 788int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp,
 789                        struct lpfc_queue **drqp, struct lpfc_queue **cqp,
 790                        uint32_t subtype);
 791int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 792int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 793int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 794int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 795int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
 796                         struct lpfc_queue *);
 797int lpfc_sli4_queue_setup(struct lpfc_hba *);
 798void lpfc_sli4_queue_unset(struct lpfc_hba *);
 799int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
 800int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
 801int lpfc_repost_nvme_sgl_list(struct lpfc_hba *phba);
 802uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
 803void lpfc_sli4_free_xri(struct lpfc_hba *, int);
 804int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
 805int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
 806struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 807struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 808void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
 809void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
 810int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
 811int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
 812int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
 813struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
 814void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
 815int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
 816void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
 817void lpfc_sli4_remove_rpis(struct lpfc_hba *);
 818void lpfc_sli4_async_event_proc(struct lpfc_hba *);
 819void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
 820int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
 821                        void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
 822void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
 823void lpfc_sli4_nvme_xri_abort_event_proc(struct lpfc_hba *phba);
 824void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
 825void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
 826                               struct sli4_wcqe_xri_aborted *);
 827void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
 828                                struct sli4_wcqe_xri_aborted *axri);
 829void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
 830                                 struct sli4_wcqe_xri_aborted *axri);
 831void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
 832                               struct sli4_wcqe_xri_aborted *);
 833void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
 834void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
 835int lpfc_sli4_brdreset(struct lpfc_hba *);
 836int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
 837void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
 838int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
 839int lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba);
 840int lpfc_sli4_init_vpi(struct lpfc_vport *);
 841uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
 842uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
 843void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
 844int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
 845int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
 846int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
 847void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 848void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 849void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 850int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
 851int lpfc_sli4_post_status_check(struct lpfc_hba *);
 852uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
 853uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
 854