drivers/scsi/lpfc/lpfc_sli4.h

   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_RELEASE_NOTIFICATION_INTERVAL      32
  28 #define LPFC_RPI_LOW_WATER_MARK                 10
  29
  30 #define LPFC_UNREG_FCF                          1
  31 #define LPFC_SKIP_UNREG_FCF                     0
  32
  33 /* Amount of time in seconds for waiting FCF rediscovery to complete */
  34 #define LPFC_FCF_REDISCOVER_WAIT_TMO            2000 /* msec */
  35
  36 /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
  37 #define LPFC_NEMBED_MBOX_SGL_CNT                254
  38
  39 /* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */
  40 #define LPFC_HBA_IO_CHAN_MIN    0
  41 #define LPFC_HBA_IO_CHAN_MAX    32
  42 #define LPFC_FCP_IO_CHAN_DEF    4
  43 #define LPFC_NVME_IO_CHAN_DEF   0
  44
  45 /* Number of channels used for Flash Optimized Fabric (FOF) operations */
  46
  47 #define LPFC_FOF_IO_CHAN_NUM       1
  48
  49 /*
  50  * Provide the default FCF Record attributes used by the driver
  51  * when nonFIP mode is configured and there is no other default
  52  * FCF Record attributes.
  53  */
  54 #define LPFC_FCOE_FCF_DEF_INDEX 0
  55 #define LPFC_FCOE_FCF_GET_FIRST 0xFFFF
  56 #define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF
  57
  58 #define LPFC_FCOE_NULL_VID      0xFFF
  59 #define LPFC_FCOE_IGNORE_VID    0xFFFF
  60
  61 /* First 3 bytes of default FCF MAC is specified by FC_MAP */
  62 #define LPFC_FCOE_FCF_MAC3      0xFF
  63 #define LPFC_FCOE_FCF_MAC4      0xFF
  64 #define LPFC_FCOE_FCF_MAC5      0xFE
  65 #define LPFC_FCOE_FCF_MAP0      0x0E
  66 #define LPFC_FCOE_FCF_MAP1      0xFC
  67 #define LPFC_FCOE_FCF_MAP2      0x00
  68 #define LPFC_FCOE_MAX_RCV_SIZE  0x800
  69 #define LPFC_FCOE_FKA_ADV_PER   0
  70 #define LPFC_FCOE_FIP_PRIORITY  0x80
  71
  72 #define sli4_sid_from_fc_hdr(fc_hdr)  \
  73         ((fc_hdr)->fh_s_id[0] << 16 | \
  74          (fc_hdr)->fh_s_id[1] <<  8 | \
  75          (fc_hdr)->fh_s_id[2])
  76
  77 #define sli4_did_from_fc_hdr(fc_hdr)  \
  78         ((fc_hdr)->fh_d_id[0] << 16 | \
  79          (fc_hdr)->fh_d_id[1] <<  8 | \
  80          (fc_hdr)->fh_d_id[2])
  81
  82 #define sli4_fctl_from_fc_hdr(fc_hdr)  \
  83         ((fc_hdr)->fh_f_ctl[0] << 16 | \
  84          (fc_hdr)->fh_f_ctl[1] <<  8 | \
  85          (fc_hdr)->fh_f_ctl[2])
  86
  87 #define sli4_type_from_fc_hdr(fc_hdr)  \
  88         ((fc_hdr)->fh_type)
  89
  90 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
  91
  92 #define INT_FW_UPGRADE  0
  93 #define RUN_FW_UPGRADE  1
  94
  95 enum lpfc_sli4_queue_type {
  96         LPFC_EQ,
  97         LPFC_GCQ,
  98         LPFC_MCQ,
  99         LPFC_WCQ,
 100         LPFC_RCQ,
 101         LPFC_MQ,
 102         LPFC_WQ,
 103         LPFC_HRQ,
 104         LPFC_DRQ
 105 };
 106
 107 /* The queue sub-type defines the functional purpose of the queue */
 108 enum lpfc_sli4_queue_subtype {
 109         LPFC_NONE,
 110         LPFC_MBOX,
 111         LPFC_FCP,
 112         LPFC_ELS,
 113         LPFC_NVME,
 114         LPFC_NVMET,
 115         LPFC_NVME_LS,
 116         LPFC_USOL
 117 };
 118
 119 union sli4_qe {
 120         void *address;
 121         struct lpfc_eqe *eqe;
 122         struct lpfc_cqe *cqe;
 123         struct lpfc_mcqe *mcqe;
 124         struct lpfc_wcqe_complete *wcqe_complete;
 125         struct lpfc_wcqe_release *wcqe_release;
 126         struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
 127         struct lpfc_rcqe_complete *rcqe_complete;
 128         struct lpfc_mqe *mqe;
 129         union  lpfc_wqe *wqe;
 130         union  lpfc_wqe128 *wqe128;
 131         struct lpfc_rqe *rqe;
 132 };
 133
 134 /* RQ buffer list */
 135 struct lpfc_rqb {
 136         uint16_t entry_count;     /* Current number of RQ slots */
 137         uint16_t buffer_count;    /* Current number of buffers posted */
 138         struct list_head rqb_buffer_list;  /* buffers assigned to this HBQ */
 139                                   /* Callback for HBQ buffer allocation */
 140         struct rqb_dmabuf *(*rqb_alloc_buffer)(struct lpfc_hba *);
 141                                   /* Callback for HBQ buffer free */
 142         void               (*rqb_free_buffer)(struct lpfc_hba *,
 143                                                struct rqb_dmabuf *);
 144 };
 145
 146 struct lpfc_queue {
 147         struct list_head list;
 148         struct list_head wq_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_QUEUE_MIN_REPOST   8
 159         uint32_t queue_id;      /* Queue ID assigned by the hardware */
 160         uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
 161         uint32_t page_count;    /* Number of pages allocated for this queue */
 162         uint32_t host_index;    /* The host's index for putting or getting */
 163         uint32_t hba_index;     /* The last known hba index for get or put */
 164
 165         struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */
 166         struct lpfc_rqb *rqbp;  /* ptr to RQ buffers */
 167
 168         uint16_t sgl_list_cnt;
 169         uint16_t db_format;
 170 #define LPFC_DB_RING_FORMAT     0x01
 171 #define LPFC_DB_LIST_FORMAT     0x02
 172         void __iomem *db_regaddr;
 173         /* For q stats */
 174         uint32_t q_cnt_1;
 175         uint32_t q_cnt_2;
 176         uint32_t q_cnt_3;
 177         uint64_t q_cnt_4;
 178 /* defines for EQ stats */
 179 #define EQ_max_eqe              q_cnt_1
 180 #define EQ_no_entry             q_cnt_2
 181 #define EQ_badstate             q_cnt_3
 182 #define EQ_processed            q_cnt_4
 183
 184 /* defines for CQ stats */
 185 #define CQ_mbox                 q_cnt_1
 186 #define CQ_max_cqe              q_cnt_1
 187 #define CQ_release_wqe          q_cnt_2
 188 #define CQ_xri_aborted          q_cnt_3
 189 #define CQ_wq                   q_cnt_4
 190
 191 /* defines for WQ stats */
 192 #define WQ_overflow             q_cnt_1
 193 #define WQ_posted               q_cnt_4
 194
 195 /* defines for RQ stats */
 196 #define RQ_no_posted_buf        q_cnt_1
 197 #define RQ_no_buf_found         q_cnt_2
 198 #define RQ_buf_trunc            q_cnt_3
 199 #define RQ_rcv_buf              q_cnt_4
 200
 201         uint64_t isr_timestamp;
 202         struct lpfc_queue *assoc_qp;
 203         union sli4_qe qe[1];    /* array to index entries (must be last) */
 204 };
 205
 206 struct lpfc_sli4_link {
 207         uint16_t speed;
 208         uint8_t duplex;
 209         uint8_t status;
 210         uint8_t type;
 211         uint8_t number;
 212         uint8_t fault;
 213         uint16_t logical_speed;
 214         uint16_t topology;
 215 };
 216
 217 struct lpfc_fcf_rec {
 218         uint8_t  fabric_name[8];
 219         uint8_t  switch_name[8];
 220         uint8_t  mac_addr[6];
 221         uint16_t fcf_indx;
 222         uint32_t priority;
 223         uint16_t vlan_id;
 224         uint32_t addr_mode;
 225         uint32_t flag;
 226 #define BOOT_ENABLE     0x01
 227 #define RECORD_VALID    0x02
 228 };
 229
 230 struct lpfc_fcf_pri_rec {
 231         uint16_t fcf_index;
 232 #define LPFC_FCF_ON_PRI_LIST 0x0001
 233 #define LPFC_FCF_FLOGI_FAILED 0x0002
 234         uint16_t flag;
 235         uint32_t priority;
 236 };
 237
 238 struct lpfc_fcf_pri {
 239         struct list_head list;
 240         struct lpfc_fcf_pri_rec fcf_rec;
 241 };
 242
 243 /*
 244  * Maximum FCF table index, it is for driver internal book keeping, it
 245  * just needs to be no less than the supported HBA's FCF table size.
 246  */
 247 #define LPFC_SLI4_FCF_TBL_INDX_MAX      32
 248
 249 struct lpfc_fcf {
 250         uint16_t fcfi;
 251         uint32_t fcf_flag;
 252 #define FCF_AVAILABLE   0x01 /* FCF available for discovery */
 253 #define FCF_REGISTERED  0x02 /* FCF registered with FW */
 254 #define FCF_SCAN_DONE   0x04 /* FCF table scan done */
 255 #define FCF_IN_USE      0x08 /* Atleast one discovery completed */
 256 #define FCF_INIT_DISC   0x10 /* Initial FCF discovery */
 257 #define FCF_DEAD_DISC   0x20 /* FCF DEAD fast FCF failover discovery */
 258 #define FCF_ACVL_DISC   0x40 /* All CVL fast FCF failover discovery */
 259 #define FCF_DISCOVERY   (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
 260 #define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
 261 #define FCF_REDISC_EVT  0x100 /* FCF rediscovery event to worker thread */
 262 #define FCF_REDISC_FOV  0x200 /* Post FCF rediscovery fast failover */
 263 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
 264         uint32_t addr_mode;
 265         uint32_t eligible_fcf_cnt;
 266         struct lpfc_fcf_rec current_rec;
 267         struct lpfc_fcf_rec failover_rec;
 268         struct list_head fcf_pri_list;
 269         struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
 270         uint32_t current_fcf_scan_pri;
 271         struct timer_list redisc_wait;
 272         unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
 273 };
 274
 275
 276 #define LPFC_REGION23_SIGNATURE "RG23"
 277 #define LPFC_REGION23_VERSION   1
 278 #define LPFC_REGION23_LAST_REC  0xff
 279 #define DRIVER_SPECIFIC_TYPE    0xA2
 280 #define LINUX_DRIVER_ID         0x20
 281 #define PORT_STE_TYPE           0x1
 282
 283 struct lpfc_fip_param_hdr {
 284         uint8_t type;
 285 #define FCOE_PARAM_TYPE         0xA0
 286         uint8_t length;
 287 #define FCOE_PARAM_LENGTH       2
 288         uint8_t parm_version;
 289 #define FIPP_VERSION            0x01
 290         uint8_t parm_flags;
 291 #define lpfc_fip_param_hdr_fipp_mode_SHIFT      6
 292 #define lpfc_fip_param_hdr_fipp_mode_MASK       0x3
 293 #define lpfc_fip_param_hdr_fipp_mode_WORD       parm_flags
 294 #define FIPP_MODE_ON                            0x1
 295 #define FIPP_MODE_OFF                           0x0
 296 #define FIPP_VLAN_VALID                         0x1
 297 };
 298
 299 struct lpfc_fcoe_params {
 300         uint8_t fc_map[3];
 301         uint8_t reserved1;
 302         uint16_t vlan_tag;
 303         uint8_t reserved[2];
 304 };
 305
 306 struct lpfc_fcf_conn_hdr {
 307         uint8_t type;
 308 #define FCOE_CONN_TBL_TYPE              0xA1
 309         uint8_t length;   /* words */
 310         uint8_t reserved[2];
 311 };
 312
 313 struct lpfc_fcf_conn_rec {
 314         uint16_t flags;
 315 #define FCFCNCT_VALID           0x0001
 316 #define FCFCNCT_BOOT            0x0002
 317 #define FCFCNCT_PRIMARY         0x0004   /* if not set, Secondary */
 318 #define FCFCNCT_FBNM_VALID      0x0008
 319 #define FCFCNCT_SWNM_VALID      0x0010
 320 #define FCFCNCT_VLAN_VALID      0x0020
 321 #define FCFCNCT_AM_VALID        0x0040
 322 #define FCFCNCT_AM_PREFERRED    0x0080   /* if not set, AM Required */
 323 #define FCFCNCT_AM_SPMA         0x0100   /* if not set, FPMA */
 324
 325         uint16_t vlan_tag;
 326         uint8_t fabric_name[8];
 327         uint8_t switch_name[8];
 328 };
 329
 330 struct lpfc_fcf_conn_entry {
 331         struct list_head list;
 332         struct lpfc_fcf_conn_rec conn_rec;
 333 };
 334
 335 /*
 336  * Define the host's bootstrap mailbox.  This structure contains
 337  * the member attributes needed to create, use, and destroy the
 338  * bootstrap mailbox region.
 339  *
 340  * The macro definitions for the bmbx data structure are defined
 341  * in lpfc_hw4.h with the register definition.
 342  */
 343 struct lpfc_bmbx {
 344         struct lpfc_dmabuf *dmabuf;
 345         struct dma_address dma_address;
 346         void *avirt;
 347         dma_addr_t aphys;
 348         uint32_t bmbx_size;
 349 };
 350
 351 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
 352
 353 #define LPFC_EQE_SIZE_4B        4
 354 #define LPFC_EQE_SIZE_16B       16
 355 #define LPFC_CQE_SIZE           16
 356 #define LPFC_WQE_SIZE           64
 357 #define LPFC_WQE128_SIZE        128
 358 #define LPFC_MQE_SIZE           256
 359 #define LPFC_RQE_SIZE           8
 360
 361 #define LPFC_EQE_DEF_COUNT      1024
 362 #define LPFC_CQE_DEF_COUNT      1024
 363 #define LPFC_WQE_DEF_COUNT      256
 364 #define LPFC_WQE128_DEF_COUNT   128
 365 #define LPFC_WQE128_MAX_COUNT   256
 366 #define LPFC_MQE_DEF_COUNT      16
 367 #define LPFC_RQE_DEF_COUNT      512
 368
 369 #define LPFC_QUEUE_NOARM        false
 370 #define LPFC_QUEUE_REARM        true
 371
 372
 373 /*
 374  * SLI4 CT field defines
 375  */
 376 #define SLI4_CT_RPI 0
 377 #define SLI4_CT_VPI 1
 378 #define SLI4_CT_VFI 2
 379 #define SLI4_CT_FCFI 3
 380
 381 /*
 382  * SLI4 specific data structures
 383  */
 384 struct lpfc_max_cfg_param {
 385         uint16_t max_xri;
 386         uint16_t xri_base;
 387         uint16_t xri_used;
 388         uint16_t max_rpi;
 389         uint16_t rpi_base;
 390         uint16_t rpi_used;
 391         uint16_t max_vpi;
 392         uint16_t vpi_base;
 393         uint16_t vpi_used;
 394         uint16_t max_vfi;
 395         uint16_t vfi_base;
 396         uint16_t vfi_used;
 397         uint16_t max_fcfi;
 398         uint16_t fcfi_used;
 399         uint16_t max_eq;
 400         uint16_t max_rq;
 401         uint16_t max_cq;
 402         uint16_t max_wq;
 403 };
 404
 405 struct lpfc_hba;
 406 /* SLI4 HBA multi-fcp queue handler struct */
 407 struct lpfc_hba_eq_hdl {
 408         uint32_t idx;
 409         struct lpfc_hba *phba;
 410         atomic_t hba_eq_in_use;
 411         struct cpumask *cpumask;
 412         /* CPU affinitsed to or 0xffffffff if multiple */
 413         uint32_t cpu;
 414 #define LPFC_MULTI_CPU_AFFINITY 0xffffffff
 415 };
 416
 417 /* Port Capabilities for SLI4 Parameters */
 418 struct lpfc_pc_sli4_params {
 419         uint32_t supported;
 420         uint32_t if_type;
 421         uint32_t sli_rev;
 422         uint32_t sli_family;
 423         uint32_t featurelevel_1;
 424         uint32_t featurelevel_2;
 425         uint32_t proto_types;
 426 #define LPFC_SLI4_PROTO_FCOE    0x0000001
 427 #define LPFC_SLI4_PROTO_FC      0x0000002
 428 #define LPFC_SLI4_PROTO_NIC     0x0000004
 429 #define LPFC_SLI4_PROTO_ISCSI   0x0000008
 430 #define LPFC_SLI4_PROTO_RDMA    0x0000010
 431         uint32_t sge_supp_len;
 432         uint32_t if_page_sz;
 433         uint32_t rq_db_window;
 434         uint32_t loopbk_scope;
 435         uint32_t oas_supported;
 436         uint32_t eq_pages_max;
 437         uint32_t eqe_size;
 438         uint32_t cq_pages_max;
 439         uint32_t cqe_size;
 440         uint32_t mq_pages_max;
 441         uint32_t mqe_size;
 442         uint32_t mq_elem_cnt;
 443         uint32_t wq_pages_max;
 444         uint32_t wqe_size;
 445         uint32_t rq_pages_max;
 446         uint32_t rqe_size;
 447         uint32_t hdr_pages_max;
 448         uint32_t hdr_size;
 449         uint32_t hdr_pp_align;
 450         uint32_t sgl_pages_max;
 451         uint32_t sgl_pp_align;
 452         uint8_t cqv;
 453         uint8_t mqv;
 454         uint8_t wqv;
 455         uint8_t rqv;
 456         uint8_t wqsize;
 457 #define LPFC_WQ_SZ64_SUPPORT    1
 458 #define LPFC_WQ_SZ128_SUPPORT   2
 459         uint8_t wqpcnt;
 460 };
 461
 462 struct lpfc_iov {
 463         uint32_t pf_number;
 464         uint32_t vf_number;
 465 };
 466
 467 struct lpfc_sli4_lnk_info {
 468         uint8_t lnk_dv;
 469 #define LPFC_LNK_DAT_INVAL      0
 470 #define LPFC_LNK_DAT_VAL        1
 471         uint8_t lnk_tp;
 472 #define LPFC_LNK_GE     0x0 /* FCoE */
 473 #define LPFC_LNK_FC     0x1 /* FC   */
 474         uint8_t lnk_no;
 475         uint8_t optic_state;
 476 };
 477
 478 #define LPFC_SLI4_HANDLER_CNT           (LPFC_HBA_IO_CHAN_MAX+ \
 479                                          LPFC_FOF_IO_CHAN_NUM)
 480 #define LPFC_SLI4_HANDLER_NAME_SZ       16
 481
 482 /* Used for IRQ vector to CPU mapping */
 483 struct lpfc_vector_map_info {
 484         uint16_t        phys_id;
 485         uint16_t        core_id;
 486         uint16_t        irq;
 487         uint16_t        channel_id;
 488 };
 489 #define LPFC_VECTOR_MAP_EMPTY   0xffff
 490
 491 /* SLI4 HBA data structure entries */
 492 struct lpfc_sli4_hba {
 493         void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
 494                                              PCI BAR0, config space registers */
 495         void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
 496                                              PCI BAR1, control registers */
 497         void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
 498                                              PCI BAR2, doorbell registers */
 499         union {
 500                 struct {
 501                         /* IF Type 0, BAR 0 PCI cfg space reg mem map */
 502                         void __iomem *UERRLOregaddr;
 503                         void __iomem *UERRHIregaddr;
 504                         void __iomem *UEMASKLOregaddr;
 505                         void __iomem *UEMASKHIregaddr;
 506                 } if_type0;
 507                 struct {
 508                         /* IF Type 2, BAR 0 PCI cfg space reg mem map. */
 509                         void __iomem *STATUSregaddr;
 510                         void __iomem *CTRLregaddr;
 511                         void __iomem *ERR1regaddr;
 512 #define SLIPORT_ERR1_REG_ERR_CODE_1             0x1
 513 #define SLIPORT_ERR1_REG_ERR_CODE_2             0x2
 514                         void __iomem *ERR2regaddr;
 515 #define SLIPORT_ERR2_REG_FW_RESTART             0x0
 516 #define SLIPORT_ERR2_REG_FUNC_PROVISON          0x1
 517 #define SLIPORT_ERR2_REG_FORCED_DUMP            0x2
 518 #define SLIPORT_ERR2_REG_FAILURE_EQ             0x3
 519 #define SLIPORT_ERR2_REG_FAILURE_CQ             0x4
 520 #define SLIPORT_ERR2_REG_FAILURE_BUS            0x5
 521 #define SLIPORT_ERR2_REG_FAILURE_RQ             0x6
 522                 } if_type2;
 523         } u;
 524
 525         /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
 526         void __iomem *PSMPHRregaddr;
 527
 528         /* Well-known SLI INTF register memory map. */
 529         void __iomem *SLIINTFregaddr;
 530
 531         /* IF type 0, BAR 1 function CSR register memory map */
 532         void __iomem *ISRregaddr;       /* HST_ISR register */
 533         void __iomem *IMRregaddr;       /* HST_IMR register */
 534         void __iomem *ISCRregaddr;      /* HST_ISCR register */
 535         /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
 536         void __iomem *RQDBregaddr;      /* RQ_DOORBELL register */
 537         void __iomem *WQDBregaddr;      /* WQ_DOORBELL register */
 538         void __iomem *EQCQDBregaddr;    /* EQCQ_DOORBELL register */
 539         void __iomem *MQDBregaddr;      /* MQ_DOORBELL register */
 540         void __iomem *BMBXregaddr;      /* BootStrap MBX register */
 541
 542         uint32_t ue_mask_lo;
 543         uint32_t ue_mask_hi;
 544         uint32_t ue_to_sr;
 545         uint32_t ue_to_rp;
 546         struct lpfc_register sli_intf;
 547         struct lpfc_pc_sli4_params pc_sli4_params;
 548         uint8_t handler_name[LPFC_SLI4_HANDLER_CNT][LPFC_SLI4_HANDLER_NAME_SZ];
 549         struct lpfc_hba_eq_hdl *hba_eq_hdl; /* HBA per-WQ handle */
 550
 551         /* Pointers to the constructed SLI4 queues */
 552         struct lpfc_queue **hba_eq;  /* Event queues for HBA */
 553         struct lpfc_queue **fcp_cq;  /* Fast-path FCP compl queue */
 554         struct lpfc_queue **nvme_cq; /* Fast-path NVME compl queue */
 555         struct lpfc_queue **nvmet_cqset; /* Fast-path NVMET CQ Set queues */
 556         struct lpfc_queue **nvmet_mrq_hdr; /* Fast-path NVMET hdr MRQs */
 557         struct lpfc_queue **nvmet_mrq_data; /* Fast-path NVMET data MRQs */
 558         struct lpfc_queue **fcp_wq;  /* Fast-path FCP work queue */
 559         struct lpfc_queue **nvme_wq; /* Fast-path NVME work queue */
 560         uint16_t *fcp_cq_map;
 561         uint16_t *nvme_cq_map;
 562         struct list_head lpfc_wq_list;
 563
 564         struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
 565         struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
 566         struct lpfc_queue *nvmels_cq; /* NVME LS complete queue */
 567         struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
 568         struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
 569         struct lpfc_queue *nvmels_wq; /* NVME LS work queue */
 570         struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
 571         struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
 572
 573         struct lpfc_name wwnn;
 574         struct lpfc_name wwpn;
 575
 576         uint32_t fw_func_mode;  /* FW function protocol mode */
 577         uint32_t ulp0_mode;     /* ULP0 protocol mode */
 578         uint32_t ulp1_mode;     /* ULP1 protocol mode */
 579
 580         struct lpfc_queue *fof_eq; /* Flash Optimized Fabric Event queue */
 581
 582         /* Optimized Access Storage specific queues/structures */
 583
 584         struct lpfc_queue *oas_cq; /* OAS completion queue */
 585         struct lpfc_queue *oas_wq; /* OAS Work queue */
 586         struct lpfc_sli_ring *oas_ring;
 587         uint64_t oas_next_lun;
 588         uint8_t oas_next_tgt_wwpn[8];
 589         uint8_t oas_next_vpt_wwpn[8];
 590
 591         /* Setup information for various queue parameters */
 592         int eq_esize;
 593         int eq_ecount;
 594         int cq_esize;
 595         int cq_ecount;
 596         int wq_esize;
 597         int wq_ecount;
 598         int mq_esize;
 599         int mq_ecount;
 600         int rq_esize;
 601         int rq_ecount;
 602 #define LPFC_SP_EQ_MAX_INTR_SEC         10000
 603 #define LPFC_FP_EQ_MAX_INTR_SEC         10000
 604
 605         uint32_t intr_enable;
 606         struct lpfc_bmbx bmbx;
 607         struct lpfc_max_cfg_param max_cfg_param;
 608         uint16_t extents_in_use; /* must allocate resource extents. */
 609         uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
 610         uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
 611         uint16_t next_rpi;
 612         uint16_t nvme_xri_max;
 613         uint16_t nvme_xri_cnt;
 614         uint16_t nvme_xri_start;
 615         uint16_t scsi_xri_max;
 616         uint16_t scsi_xri_cnt;
 617         uint16_t scsi_xri_start;
 618         uint16_t els_xri_cnt;
 619         uint16_t nvmet_xri_cnt;
 620         struct list_head lpfc_els_sgl_list;
 621         struct list_head lpfc_abts_els_sgl_list;
 622         struct list_head lpfc_nvmet_sgl_list;
 623         struct list_head lpfc_abts_nvmet_ctx_list;
 624         struct list_head lpfc_abts_scsi_buf_list;
 625         struct list_head lpfc_abts_nvme_buf_list;
 626         struct lpfc_sglq **lpfc_sglq_active_list;
 627         struct list_head lpfc_rpi_hdr_list;
 628         unsigned long *rpi_bmask;
 629         uint16_t *rpi_ids;
 630         uint16_t rpi_count;
 631         struct list_head lpfc_rpi_blk_list;
 632         unsigned long *xri_bmask;
 633         uint16_t *xri_ids;
 634         struct list_head lpfc_xri_blk_list;
 635         unsigned long *vfi_bmask;
 636         uint16_t *vfi_ids;
 637         uint16_t vfi_count;
 638         struct list_head lpfc_vfi_blk_list;
 639         struct lpfc_sli4_flags sli4_flags;
 640         struct list_head sp_queue_event;
 641         struct list_head sp_cqe_event_pool;
 642         struct list_head sp_asynce_work_queue;
 643         struct list_head sp_fcp_xri_aborted_work_queue;
 644         struct list_head sp_els_xri_aborted_work_queue;
 645         struct list_head sp_nvme_xri_aborted_work_queue;
 646         struct list_head sp_unsol_work_queue;
 647         struct lpfc_sli4_link link_state;
 648         struct lpfc_sli4_lnk_info lnk_info;
 649         uint32_t pport_name_sta;
 650 #define LPFC_SLI4_PPNAME_NON    0
 651 #define LPFC_SLI4_PPNAME_GET    1
 652         struct lpfc_iov iov;
 653         spinlock_t abts_nvme_buf_list_lock; /* list of aborted SCSI IOs */
 654         spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
 655         spinlock_t sgl_list_lock; /* list of aborted els IOs */
 656         spinlock_t nvmet_io_lock;
 657         uint32_t physical_port;
 658
 659         /* CPU to vector mapping information */
 660         struct lpfc_vector_map_info *cpu_map;
 661         uint16_t num_online_cpu;
 662         uint16_t num_present_cpu;
 663         uint16_t curr_disp_cpu;
 664
 665         uint16_t nvmet_mrq_post_idx;
 666 };
 667
 668 enum lpfc_sge_type {
 669         GEN_BUFF_TYPE,
 670         SCSI_BUFF_TYPE,
 671         NVMET_BUFF_TYPE
 672 };
 673
 674 enum lpfc_sgl_state {
 675         SGL_FREED,
 676         SGL_ALLOCATED,
 677         SGL_XRI_ABORTED
 678 };
 679
 680 struct lpfc_sglq {
 681         /* lpfc_sglqs are used in double linked lists */
 682         struct list_head list;
 683         struct list_head clist;
 684         enum lpfc_sge_type buff_type; /* is this a scsi sgl */
 685         enum lpfc_sgl_state state;
 686         struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
 687         uint16_t iotag;         /* pre-assigned IO tag */
 688         uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
 689         uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
 690         struct sli4_sge *sgl;   /* pre-assigned SGL */
 691         void *virt;             /* virtual address. */
 692         dma_addr_t phys;        /* physical address */
 693 };
 694
 695 struct lpfc_rpi_hdr {
 696         struct list_head list;
 697         uint32_t len;
 698         struct lpfc_dmabuf *dmabuf;
 699         uint32_t page_count;
 700         uint32_t start_rpi;
 701 };
 702
 703 struct lpfc_rsrc_blks {
 704         struct list_head list;
 705         uint16_t rsrc_start;
 706         uint16_t rsrc_size;
 707         uint16_t rsrc_used;
 708 };
 709
 710 struct lpfc_rdp_context {
 711         struct lpfc_nodelist *ndlp;
 712         uint16_t ox_id;
 713         uint16_t rx_id;
 714         READ_LNK_VAR link_stat;
 715         uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
 716         uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
 717         void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
 718 };
 719
 720 struct lpfc_lcb_context {
 721         uint8_t  sub_command;
 722         uint8_t  type;
 723         uint8_t  frequency;
 724         uint16_t ox_id;
 725         uint16_t rx_id;
 726         struct lpfc_nodelist *ndlp;
 727 };
 728
 729
 730 /*
 731  * SLI4 specific function prototypes
 732  */
 733 int lpfc_pci_function_reset(struct lpfc_hba *);
 734 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
 735 int lpfc_sli4_hba_setup(struct lpfc_hba *);
 736 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
 737                      uint8_t, uint32_t, bool);
 738 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
 739 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
 740 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
 741                            struct lpfc_mbx_sge *);
 742 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
 743                                uint16_t);
 744
 745 void lpfc_sli4_hba_reset(struct lpfc_hba *);
 746 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
 747                         uint32_t);
 748 void lpfc_sli4_queue_free(struct lpfc_queue *);
 749 int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
 750 int lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq);
 751 int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
 752                         struct lpfc_queue *, uint32_t, uint32_t);
 753 int lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp,
 754                         struct lpfc_queue **eqp, uint32_t type,
 755                         uint32_t subtype);
 756 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
 757                        struct lpfc_queue *, uint32_t);
 758 int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
 759                         struct lpfc_queue *, uint32_t);
 760 int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
 761                         struct lpfc_queue *, struct lpfc_queue *, uint32_t);
 762 int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp,
 763                         struct lpfc_queue **drqp, struct lpfc_queue **cqp,
 764                         uint32_t subtype);
 765 void lpfc_rq_adjust_repost(struct lpfc_hba *, struct lpfc_queue *, int);
 766 int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 767 int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 768 int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 769 int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 770 int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
 771                          struct lpfc_queue *);
 772 int lpfc_sli4_queue_setup(struct lpfc_hba *);
 773 void lpfc_sli4_queue_unset(struct lpfc_hba *);
 774 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
 775 int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
 776 int lpfc_repost_nvme_sgl_list(struct lpfc_hba *phba);
 777 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
 778 void lpfc_sli4_free_xri(struct lpfc_hba *, int);
 779 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
 780 int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
 781 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 782 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 783 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
 784 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
 785 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
 786 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
 787 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
 788 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
 789 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
 790 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
 791 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
 792 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
 793 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
 794 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
 795 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
 796                         void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
 797 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
 798 void lpfc_sli4_nvme_xri_abort_event_proc(struct lpfc_hba *phba);
 799 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
 800 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
 801                                struct sli4_wcqe_xri_aborted *);
 802 void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
 803                                 struct sli4_wcqe_xri_aborted *axri);
 804 void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
 805                                  struct sli4_wcqe_xri_aborted *axri);
 806 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
 807                                struct sli4_wcqe_xri_aborted *);
 808 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
 809 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
 810 int lpfc_sli4_brdreset(struct lpfc_hba *);
 811 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
 812 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
 813 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
 814 int lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba);
 815 int lpfc_sli4_init_vpi(struct lpfc_vport *);
 816 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
 817 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
 818 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
 819 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
 820 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
 821 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
 822 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 823 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 824 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 825 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
 826 int lpfc_sli4_post_status_check(struct lpfc_hba *);
 827 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
 828 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);