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_RPI_LOW_WATER_MARK                 10
  28
  29 #define LPFC_UNREG_FCF                          1
  30 #define LPFC_SKIP_UNREG_FCF                     0
  31
  32 /* Amount of time in seconds for waiting FCF rediscovery to complete */
  33 #define LPFC_FCF_REDISCOVER_WAIT_TMO            2000 /* msec */
  34
  35 /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
  36 #define LPFC_NEMBED_MBOX_SGL_CNT                254
  37
  38 /* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */
  39 #define LPFC_HBA_IO_CHAN_MIN    0
  40 #define LPFC_HBA_IO_CHAN_MAX    32
  41 #define LPFC_FCP_IO_CHAN_DEF    4
  42 #define LPFC_NVME_IO_CHAN_DEF   0
  43
  44 /* Number of channels used for Flash Optimized Fabric (FOF) operations */
  45
  46 #define LPFC_FOF_IO_CHAN_NUM       1
  47
  48 /*
  49  * Provide the default FCF Record attributes used by the driver
  50  * when nonFIP mode is configured and there is no other default
  51  * FCF Record attributes.
  52  */
  53 #define LPFC_FCOE_FCF_DEF_INDEX 0
  54 #define LPFC_FCOE_FCF_GET_FIRST 0xFFFF
  55 #define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF
  56
  57 #define LPFC_FCOE_NULL_VID      0xFFF
  58 #define LPFC_FCOE_IGNORE_VID    0xFFFF
  59
  60 /* First 3 bytes of default FCF MAC is specified by FC_MAP */
  61 #define LPFC_FCOE_FCF_MAC3      0xFF
  62 #define LPFC_FCOE_FCF_MAC4      0xFF
  63 #define LPFC_FCOE_FCF_MAC5      0xFE
  64 #define LPFC_FCOE_FCF_MAP0      0x0E
  65 #define LPFC_FCOE_FCF_MAP1      0xFC
  66 #define LPFC_FCOE_FCF_MAP2      0x00
  67 #define LPFC_FCOE_MAX_RCV_SIZE  0x800
  68 #define LPFC_FCOE_FKA_ADV_PER   0
  69 #define LPFC_FCOE_FIP_PRIORITY  0x80
  70
  71 #define sli4_sid_from_fc_hdr(fc_hdr)  \
  72         ((fc_hdr)->fh_s_id[0] << 16 | \
  73          (fc_hdr)->fh_s_id[1] <<  8 | \
  74          (fc_hdr)->fh_s_id[2])
  75
  76 #define sli4_did_from_fc_hdr(fc_hdr)  \
  77         ((fc_hdr)->fh_d_id[0] << 16 | \
  78          (fc_hdr)->fh_d_id[1] <<  8 | \
  79          (fc_hdr)->fh_d_id[2])
  80
  81 #define sli4_fctl_from_fc_hdr(fc_hdr)  \
  82         ((fc_hdr)->fh_f_ctl[0] << 16 | \
  83          (fc_hdr)->fh_f_ctl[1] <<  8 | \
  84          (fc_hdr)->fh_f_ctl[2])
  85
  86 #define sli4_type_from_fc_hdr(fc_hdr)  \
  87         ((fc_hdr)->fh_type)
  88
  89 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
  90
  91 #define INT_FW_UPGRADE  0
  92 #define RUN_FW_UPGRADE  1
  93
  94 enum lpfc_sli4_queue_type {
  95         LPFC_EQ,
  96         LPFC_GCQ,
  97         LPFC_MCQ,
  98         LPFC_WCQ,
  99         LPFC_RCQ,
 100         LPFC_MQ,
 101         LPFC_WQ,
 102         LPFC_HRQ,
 103         LPFC_DRQ
 104 };
 105
 106 /* The queue sub-type defines the functional purpose of the queue */
 107 enum lpfc_sli4_queue_subtype {
 108         LPFC_NONE,
 109         LPFC_MBOX,
 110         LPFC_FCP,
 111         LPFC_ELS,
 112         LPFC_NVME,
 113         LPFC_NVMET,
 114         LPFC_NVME_LS,
 115         LPFC_USOL
 116 };
 117
 118 union sli4_qe {
 119         void *address;
 120         struct lpfc_eqe *eqe;
 121         struct lpfc_cqe *cqe;
 122         struct lpfc_mcqe *mcqe;
 123         struct lpfc_wcqe_complete *wcqe_complete;
 124         struct lpfc_wcqe_release *wcqe_release;
 125         struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
 126         struct lpfc_rcqe_complete *rcqe_complete;
 127         struct lpfc_mqe *mqe;
 128         union  lpfc_wqe *wqe;
 129         union  lpfc_wqe128 *wqe128;
 130         struct lpfc_rqe *rqe;
 131 };
 132
 133 /* RQ buffer list */
 134 struct lpfc_rqb {
 135         uint16_t entry_count;     /* Current number of RQ slots */
 136         uint16_t buffer_count;    /* Current number of buffers posted */
 137         struct list_head rqb_buffer_list;  /* buffers assigned to this HBQ */
 138                                   /* Callback for HBQ buffer allocation */
 139         struct rqb_dmabuf *(*rqb_alloc_buffer)(struct lpfc_hba *);
 140                                   /* Callback for HBQ buffer free */
 141         void               (*rqb_free_buffer)(struct lpfc_hba *,
 142                                                struct rqb_dmabuf *);
 143 };
 144
 145 struct lpfc_queue {
 146         struct list_head list;
 147         struct list_head wq_list;
 148         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 host_index;    /* The host's index for putting or getting */
 165         uint32_t hba_index;     /* The last known hba index for get or put */
 166
 167         struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */
 168         struct lpfc_rqb *rqbp;  /* ptr to RQ buffers */
 169
 170         uint32_t q_mode;
 171         uint16_t page_count;    /* Number of pages allocated for this queue */
 172         uint16_t page_size;     /* size of page allocated for this queue */
 173 #define LPFC_EXPANDED_PAGE_SIZE 16384
 174 #define LPFC_DEFAULT_PAGE_SIZE  4096
 175         uint16_t chann;         /* IO channel this queue is associated with */
 176         uint16_t db_format;
 177 #define LPFC_DB_RING_FORMAT     0x01
 178 #define LPFC_DB_LIST_FORMAT     0x02
 179         void __iomem *db_regaddr;
 180         /* For q stats */
 181         uint32_t q_cnt_1;
 182         uint32_t q_cnt_2;
 183         uint32_t q_cnt_3;
 184         uint64_t q_cnt_4;
 185 /* defines for EQ stats */
 186 #define EQ_max_eqe              q_cnt_1
 187 #define EQ_no_entry             q_cnt_2
 188 #define EQ_cqe_cnt              q_cnt_3
 189 #define EQ_processed            q_cnt_4
 190
 191 /* defines for CQ stats */
 192 #define CQ_mbox                 q_cnt_1
 193 #define CQ_max_cqe              q_cnt_1
 194 #define CQ_release_wqe          q_cnt_2
 195 #define CQ_xri_aborted          q_cnt_3
 196 #define CQ_wq                   q_cnt_4
 197
 198 /* defines for WQ stats */
 199 #define WQ_overflow             q_cnt_1
 200 #define WQ_posted               q_cnt_4
 201
 202 /* defines for RQ stats */
 203 #define RQ_no_posted_buf        q_cnt_1
 204 #define RQ_no_buf_found         q_cnt_2
 205 #define RQ_buf_posted           q_cnt_3
 206 #define RQ_rcv_buf              q_cnt_4
 207
 208         struct work_struct irqwork;
 209         struct work_struct spwork;
 210
 211         uint64_t isr_timestamp;
 212         struct lpfc_queue *assoc_qp;
 213         union sli4_qe qe[1];    /* array to index entries (must be last) */
 214 };
 215
 216 struct lpfc_sli4_link {
 217         uint16_t speed;
 218         uint8_t duplex;
 219         uint8_t status;
 220         uint8_t type;
 221         uint8_t number;
 222         uint8_t fault;
 223         uint16_t logical_speed;
 224         uint16_t topology;
 225 };
 226
 227 struct lpfc_fcf_rec {
 228         uint8_t  fabric_name[8];
 229         uint8_t  switch_name[8];
 230         uint8_t  mac_addr[6];
 231         uint16_t fcf_indx;
 232         uint32_t priority;
 233         uint16_t vlan_id;
 234         uint32_t addr_mode;
 235         uint32_t flag;
 236 #define BOOT_ENABLE     0x01
 237 #define RECORD_VALID    0x02
 238 };
 239
 240 struct lpfc_fcf_pri_rec {
 241         uint16_t fcf_index;
 242 #define LPFC_FCF_ON_PRI_LIST 0x0001
 243 #define LPFC_FCF_FLOGI_FAILED 0x0002
 244         uint16_t flag;
 245         uint32_t priority;
 246 };
 247
 248 struct lpfc_fcf_pri {
 249         struct list_head list;
 250         struct lpfc_fcf_pri_rec fcf_rec;
 251 };
 252
 253 /*
 254  * Maximum FCF table index, it is for driver internal book keeping, it
 255  * just needs to be no less than the supported HBA's FCF table size.
 256  */
 257 #define LPFC_SLI4_FCF_TBL_INDX_MAX      32
 258
 259 struct lpfc_fcf {
 260         uint16_t fcfi;
 261         uint32_t fcf_flag;
 262 #define FCF_AVAILABLE   0x01 /* FCF available for discovery */
 263 #define FCF_REGISTERED  0x02 /* FCF registered with FW */
 264 #define FCF_SCAN_DONE   0x04 /* FCF table scan done */
 265 #define FCF_IN_USE      0x08 /* Atleast one discovery completed */
 266 #define FCF_INIT_DISC   0x10 /* Initial FCF discovery */
 267 #define FCF_DEAD_DISC   0x20 /* FCF DEAD fast FCF failover discovery */
 268 #define FCF_ACVL_DISC   0x40 /* All CVL fast FCF failover discovery */
 269 #define FCF_DISCOVERY   (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
 270 #define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
 271 #define FCF_REDISC_EVT  0x100 /* FCF rediscovery event to worker thread */
 272 #define FCF_REDISC_FOV  0x200 /* Post FCF rediscovery fast failover */
 273 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
 274         uint32_t addr_mode;
 275         uint32_t eligible_fcf_cnt;
 276         struct lpfc_fcf_rec current_rec;
 277         struct lpfc_fcf_rec failover_rec;
 278         struct list_head fcf_pri_list;
 279         struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
 280         uint32_t current_fcf_scan_pri;
 281         struct timer_list redisc_wait;
 282         unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
 283 };
 284
 285
 286 #define LPFC_REGION23_SIGNATURE "RG23"
 287 #define LPFC_REGION23_VERSION   1
 288 #define LPFC_REGION23_LAST_REC  0xff
 289 #define DRIVER_SPECIFIC_TYPE    0xA2
 290 #define LINUX_DRIVER_ID         0x20
 291 #define PORT_STE_TYPE           0x1
 292
 293 struct lpfc_fip_param_hdr {
 294         uint8_t type;
 295 #define FCOE_PARAM_TYPE         0xA0
 296         uint8_t length;
 297 #define FCOE_PARAM_LENGTH       2
 298         uint8_t parm_version;
 299 #define FIPP_VERSION            0x01
 300         uint8_t parm_flags;
 301 #define lpfc_fip_param_hdr_fipp_mode_SHIFT      6
 302 #define lpfc_fip_param_hdr_fipp_mode_MASK       0x3
 303 #define lpfc_fip_param_hdr_fipp_mode_WORD       parm_flags
 304 #define FIPP_MODE_ON                            0x1
 305 #define FIPP_MODE_OFF                           0x0
 306 #define FIPP_VLAN_VALID                         0x1
 307 };
 308
 309 struct lpfc_fcoe_params {
 310         uint8_t fc_map[3];
 311         uint8_t reserved1;
 312         uint16_t vlan_tag;
 313         uint8_t reserved[2];
 314 };
 315
 316 struct lpfc_fcf_conn_hdr {
 317         uint8_t type;
 318 #define FCOE_CONN_TBL_TYPE              0xA1
 319         uint8_t length;   /* words */
 320         uint8_t reserved[2];
 321 };
 322
 323 struct lpfc_fcf_conn_rec {
 324         uint16_t flags;
 325 #define FCFCNCT_VALID           0x0001
 326 #define FCFCNCT_BOOT            0x0002
 327 #define FCFCNCT_PRIMARY         0x0004   /* if not set, Secondary */
 328 #define FCFCNCT_FBNM_VALID      0x0008
 329 #define FCFCNCT_SWNM_VALID      0x0010
 330 #define FCFCNCT_VLAN_VALID      0x0020
 331 #define FCFCNCT_AM_VALID        0x0040
 332 #define FCFCNCT_AM_PREFERRED    0x0080   /* if not set, AM Required */
 333 #define FCFCNCT_AM_SPMA         0x0100   /* if not set, FPMA */
 334
 335         uint16_t vlan_tag;
 336         uint8_t fabric_name[8];
 337         uint8_t switch_name[8];
 338 };
 339
 340 struct lpfc_fcf_conn_entry {
 341         struct list_head list;
 342         struct lpfc_fcf_conn_rec conn_rec;
 343 };
 344
 345 /*
 346  * Define the host's bootstrap mailbox.  This structure contains
 347  * the member attributes needed to create, use, and destroy the
 348  * bootstrap mailbox region.
 349  *
 350  * The macro definitions for the bmbx data structure are defined
 351  * in lpfc_hw4.h with the register definition.
 352  */
 353 struct lpfc_bmbx {
 354         struct lpfc_dmabuf *dmabuf;
 355         struct dma_address dma_address;
 356         void *avirt;
 357         dma_addr_t aphys;
 358         uint32_t bmbx_size;
 359 };
 360
 361 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
 362
 363 #define LPFC_EQE_SIZE_4B        4
 364 #define LPFC_EQE_SIZE_16B       16
 365 #define LPFC_CQE_SIZE           16
 366 #define LPFC_WQE_SIZE           64
 367 #define LPFC_WQE128_SIZE        128
 368 #define LPFC_MQE_SIZE           256
 369 #define LPFC_RQE_SIZE           8
 370
 371 #define LPFC_EQE_DEF_COUNT      1024
 372 #define LPFC_CQE_DEF_COUNT      1024
 373 #define LPFC_CQE_EXP_COUNT      4096
 374 #define LPFC_WQE_DEF_COUNT      256
 375 #define LPFC_WQE_EXP_COUNT      1024
 376 #define LPFC_MQE_DEF_COUNT      16
 377 #define LPFC_RQE_DEF_COUNT      512
 378
 379 #define LPFC_QUEUE_NOARM        false
 380 #define LPFC_QUEUE_REARM        true
 381
 382
 383 /*
 384  * SLI4 CT field defines
 385  */
 386 #define SLI4_CT_RPI 0
 387 #define SLI4_CT_VPI 1
 388 #define SLI4_CT_VFI 2
 389 #define SLI4_CT_FCFI 3
 390
 391 /*
 392  * SLI4 specific data structures
 393  */
 394 struct lpfc_max_cfg_param {
 395         uint16_t max_xri;
 396         uint16_t xri_base;
 397         uint16_t xri_used;
 398         uint16_t max_rpi;
 399         uint16_t rpi_base;
 400         uint16_t rpi_used;
 401         uint16_t max_vpi;
 402         uint16_t vpi_base;
 403         uint16_t vpi_used;
 404         uint16_t max_vfi;
 405         uint16_t vfi_base;
 406         uint16_t vfi_used;
 407         uint16_t max_fcfi;
 408         uint16_t fcfi_used;
 409         uint16_t max_eq;
 410         uint16_t max_rq;
 411         uint16_t max_cq;
 412         uint16_t max_wq;
 413 };
 414
 415 struct lpfc_hba;
 416 /* SLI4 HBA multi-fcp queue handler struct */
 417 #define LPFC_SLI4_HANDLER_NAME_SZ       16
 418 struct lpfc_hba_eq_hdl {
 419         uint32_t idx;
 420         char handler_name[LPFC_SLI4_HANDLER_NAME_SZ];
 421         struct lpfc_hba *phba;
 422         atomic_t hba_eq_in_use;
 423         struct cpumask *cpumask;
 424         /* CPU affinitsed to or 0xffffffff if multiple */
 425         uint32_t cpu;
 426 #define LPFC_MULTI_CPU_AFFINITY 0xffffffff
 427 };
 428
 429 /*BB Credit recovery value*/
 430 struct lpfc_bbscn_params {
 431         uint32_t word0;
 432 #define lpfc_bbscn_min_SHIFT            0
 433 #define lpfc_bbscn_min_MASK             0x0000000F
 434 #define lpfc_bbscn_min_WORD             word0
 435 #define lpfc_bbscn_max_SHIFT            4
 436 #define lpfc_bbscn_max_MASK             0x0000000F
 437 #define lpfc_bbscn_max_WORD             word0
 438 #define lpfc_bbscn_def_SHIFT            8
 439 #define lpfc_bbscn_def_MASK             0x0000000F
 440 #define lpfc_bbscn_def_WORD             word0
 441 };
 442
 443 /* Port Capabilities for SLI4 Parameters */
 444 struct lpfc_pc_sli4_params {
 445         uint32_t supported;
 446         uint32_t if_type;
 447         uint32_t sli_rev;
 448         uint32_t sli_family;
 449         uint32_t featurelevel_1;
 450         uint32_t featurelevel_2;
 451         uint32_t proto_types;
 452 #define LPFC_SLI4_PROTO_FCOE    0x0000001
 453 #define LPFC_SLI4_PROTO_FC      0x0000002
 454 #define LPFC_SLI4_PROTO_NIC     0x0000004
 455 #define LPFC_SLI4_PROTO_ISCSI   0x0000008
 456 #define LPFC_SLI4_PROTO_RDMA    0x0000010
 457         uint32_t sge_supp_len;
 458         uint32_t if_page_sz;
 459         uint32_t rq_db_window;
 460         uint32_t loopbk_scope;
 461         uint32_t oas_supported;
 462         uint32_t eq_pages_max;
 463         uint32_t eqe_size;
 464         uint32_t cq_pages_max;
 465         uint32_t cqe_size;
 466         uint32_t mq_pages_max;
 467         uint32_t mqe_size;
 468         uint32_t mq_elem_cnt;
 469         uint32_t wq_pages_max;
 470         uint32_t wqe_size;
 471         uint32_t rq_pages_max;
 472         uint32_t rqe_size;
 473         uint32_t hdr_pages_max;
 474         uint32_t hdr_size;
 475         uint32_t hdr_pp_align;
 476         uint32_t sgl_pages_max;
 477         uint32_t sgl_pp_align;
 478         uint8_t cqv;
 479         uint8_t mqv;
 480         uint8_t wqv;
 481         uint8_t rqv;
 482         uint8_t wqsize;
 483 #define LPFC_WQ_SZ64_SUPPORT    1
 484 #define LPFC_WQ_SZ128_SUPPORT   2
 485         uint8_t wqpcnt;
 486 };
 487
 488 struct lpfc_iov {
 489         uint32_t pf_number;
 490         uint32_t vf_number;
 491 };
 492
 493 struct lpfc_sli4_lnk_info {
 494         uint8_t lnk_dv;
 495 #define LPFC_LNK_DAT_INVAL      0
 496 #define LPFC_LNK_DAT_VAL        1
 497         uint8_t lnk_tp;
 498 #define LPFC_LNK_GE     0x0 /* FCoE */
 499 #define LPFC_LNK_FC     0x1 /* FC   */
 500         uint8_t lnk_no;
 501         uint8_t optic_state;
 502 };
 503
 504 #define LPFC_SLI4_HANDLER_CNT           (LPFC_HBA_IO_CHAN_MAX+ \
 505                                          LPFC_FOF_IO_CHAN_NUM)
 506
 507 /* Used for IRQ vector to CPU mapping */
 508 struct lpfc_vector_map_info {
 509         uint16_t        phys_id;
 510         uint16_t        core_id;
 511         uint16_t        irq;
 512         uint16_t        channel_id;
 513 };
 514 #define LPFC_VECTOR_MAP_EMPTY   0xffff
 515
 516 /* SLI4 HBA data structure entries */
 517 struct lpfc_sli4_hba {
 518         void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
 519                                              PCI BAR0, config space registers */
 520         void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
 521                                              PCI BAR1, control registers */
 522         void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
 523                                              PCI BAR2, doorbell registers */
 524         union {
 525                 struct {
 526                         /* IF Type 0, BAR 0 PCI cfg space reg mem map */
 527                         void __iomem *UERRLOregaddr;
 528                         void __iomem *UERRHIregaddr;
 529                         void __iomem *UEMASKLOregaddr;
 530                         void __iomem *UEMASKHIregaddr;
 531                 } if_type0;
 532                 struct {
 533                         /* IF Type 2, BAR 0 PCI cfg space reg mem map. */
 534                         void __iomem *STATUSregaddr;
 535                         void __iomem *CTRLregaddr;
 536                         void __iomem *ERR1regaddr;
 537 #define SLIPORT_ERR1_REG_ERR_CODE_1             0x1
 538 #define SLIPORT_ERR1_REG_ERR_CODE_2             0x2
 539                         void __iomem *ERR2regaddr;
 540 #define SLIPORT_ERR2_REG_FW_RESTART             0x0
 541 #define SLIPORT_ERR2_REG_FUNC_PROVISON          0x1
 542 #define SLIPORT_ERR2_REG_FORCED_DUMP            0x2
 543 #define SLIPORT_ERR2_REG_FAILURE_EQ             0x3
 544 #define SLIPORT_ERR2_REG_FAILURE_CQ             0x4
 545 #define SLIPORT_ERR2_REG_FAILURE_BUS            0x5
 546 #define SLIPORT_ERR2_REG_FAILURE_RQ             0x6
 547                         void __iomem *EQDregaddr;
 548                 } if_type2;
 549         } u;
 550
 551         /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
 552         void __iomem *PSMPHRregaddr;
 553
 554         /* Well-known SLI INTF register memory map. */
 555         void __iomem *SLIINTFregaddr;
 556
 557         /* IF type 0, BAR 1 function CSR register memory map */
 558         void __iomem *ISRregaddr;       /* HST_ISR register */
 559         void __iomem *IMRregaddr;       /* HST_IMR register */
 560         void __iomem *ISCRregaddr;      /* HST_ISCR register */
 561         /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
 562         void __iomem *RQDBregaddr;      /* RQ_DOORBELL register */
 563         void __iomem *WQDBregaddr;      /* WQ_DOORBELL register */
 564         void __iomem *EQCQDBregaddr;    /* EQCQ_DOORBELL register */
 565         void __iomem *MQDBregaddr;      /* MQ_DOORBELL register */
 566         void __iomem *BMBXregaddr;      /* BootStrap MBX register */
 567
 568         uint32_t ue_mask_lo;
 569         uint32_t ue_mask_hi;
 570         uint32_t ue_to_sr;
 571         uint32_t ue_to_rp;
 572         struct lpfc_register sli_intf;
 573         struct lpfc_pc_sli4_params pc_sli4_params;
 574         struct lpfc_bbscn_params bbscn_params;
 575         struct lpfc_hba_eq_hdl *hba_eq_hdl; /* HBA per-WQ handle */
 576
 577         /* Pointers to the constructed SLI4 queues */
 578         struct lpfc_queue **hba_eq;  /* Event queues for HBA */
 579         struct lpfc_queue **fcp_cq;  /* Fast-path FCP compl queue */
 580         struct lpfc_queue **nvme_cq; /* Fast-path NVME compl queue */
 581         struct lpfc_queue **nvmet_cqset; /* Fast-path NVMET CQ Set queues */
 582         struct lpfc_queue **nvmet_mrq_hdr; /* Fast-path NVMET hdr MRQs */
 583         struct lpfc_queue **nvmet_mrq_data; /* Fast-path NVMET data MRQs */
 584         struct lpfc_queue **fcp_wq;  /* Fast-path FCP work queue */
 585         struct lpfc_queue **nvme_wq; /* Fast-path NVME work queue */
 586         uint16_t *fcp_cq_map;
 587         uint16_t *nvme_cq_map;
 588         struct list_head lpfc_wq_list;
 589
 590         struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
 591         struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
 592         struct lpfc_queue *nvmels_cq; /* NVME LS complete queue */
 593         struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
 594         struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
 595         struct lpfc_queue *nvmels_wq; /* NVME LS work queue */
 596         struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
 597         struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
 598
 599         struct lpfc_name wwnn;
 600         struct lpfc_name wwpn;
 601
 602         uint32_t fw_func_mode;  /* FW function protocol mode */
 603         uint32_t ulp0_mode;     /* ULP0 protocol mode */
 604         uint32_t ulp1_mode;     /* ULP1 protocol mode */
 605
 606         struct lpfc_queue *fof_eq; /* Flash Optimized Fabric Event queue */
 607
 608         /* Optimized Access Storage specific queues/structures */
 609
 610         struct lpfc_queue *oas_cq; /* OAS completion queue */
 611         struct lpfc_queue *oas_wq; /* OAS Work queue */
 612         struct lpfc_sli_ring *oas_ring;
 613         uint64_t oas_next_lun;
 614         uint8_t oas_next_tgt_wwpn[8];
 615         uint8_t oas_next_vpt_wwpn[8];
 616
 617         /* Setup information for various queue parameters */
 618         int eq_esize;
 619         int eq_ecount;
 620         int cq_esize;
 621         int cq_ecount;
 622         int wq_esize;
 623         int wq_ecount;
 624         int mq_esize;
 625         int mq_ecount;
 626         int rq_esize;
 627         int rq_ecount;
 628 #define LPFC_SP_EQ_MAX_INTR_SEC         10000
 629 #define LPFC_FP_EQ_MAX_INTR_SEC         10000
 630
 631         uint32_t intr_enable;
 632         struct lpfc_bmbx bmbx;
 633         struct lpfc_max_cfg_param max_cfg_param;
 634         uint16_t extents_in_use; /* must allocate resource extents. */
 635         uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
 636         uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
 637         uint16_t next_rpi;
 638         uint16_t nvme_xri_max;
 639         uint16_t nvme_xri_cnt;
 640         uint16_t nvme_xri_start;
 641         uint16_t scsi_xri_max;
 642         uint16_t scsi_xri_cnt;
 643         uint16_t scsi_xri_start;
 644         uint16_t els_xri_cnt;
 645         uint16_t nvmet_xri_cnt;
 646         uint16_t nvmet_io_wait_cnt;
 647         uint16_t nvmet_io_wait_total;
 648         struct list_head lpfc_els_sgl_list;
 649         struct list_head lpfc_abts_els_sgl_list;
 650         struct list_head lpfc_nvmet_sgl_list;
 651         struct list_head lpfc_abts_nvmet_ctx_list;
 652         struct list_head lpfc_abts_scsi_buf_list;
 653         struct list_head lpfc_abts_nvme_buf_list;
 654         struct list_head lpfc_nvmet_io_wait_list;
 655         struct lpfc_nvmet_ctx_info *nvmet_ctx_info;
 656         struct lpfc_sglq **lpfc_sglq_active_list;
 657         struct list_head lpfc_rpi_hdr_list;
 658         unsigned long *rpi_bmask;
 659         uint16_t *rpi_ids;
 660         uint16_t rpi_count;
 661         struct list_head lpfc_rpi_blk_list;
 662         unsigned long *xri_bmask;
 663         uint16_t *xri_ids;
 664         struct list_head lpfc_xri_blk_list;
 665         unsigned long *vfi_bmask;
 666         uint16_t *vfi_ids;
 667         uint16_t vfi_count;
 668         struct list_head lpfc_vfi_blk_list;
 669         struct lpfc_sli4_flags sli4_flags;
 670         struct list_head sp_queue_event;
 671         struct list_head sp_cqe_event_pool;
 672         struct list_head sp_asynce_work_queue;
 673         struct list_head sp_fcp_xri_aborted_work_queue;
 674         struct list_head sp_els_xri_aborted_work_queue;
 675         struct list_head sp_unsol_work_queue;
 676         struct lpfc_sli4_link link_state;
 677         struct lpfc_sli4_lnk_info lnk_info;
 678         uint32_t pport_name_sta;
 679 #define LPFC_SLI4_PPNAME_NON    0
 680 #define LPFC_SLI4_PPNAME_GET    1
 681         struct lpfc_iov iov;
 682         spinlock_t abts_nvme_buf_list_lock; /* list of aborted SCSI IOs */
 683         spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
 684         spinlock_t sgl_list_lock; /* list of aborted els IOs */
 685         spinlock_t nvmet_io_wait_lock; /* IOs waiting for ctx resources */
 686         uint32_t physical_port;
 687
 688         /* CPU to vector mapping information */
 689         struct lpfc_vector_map_info *cpu_map;
 690         uint16_t num_online_cpu;
 691         uint16_t num_present_cpu;
 692         uint16_t curr_disp_cpu;
 693 };
 694
 695 enum lpfc_sge_type {
 696         GEN_BUFF_TYPE,
 697         SCSI_BUFF_TYPE,
 698         NVMET_BUFF_TYPE
 699 };
 700
 701 enum lpfc_sgl_state {
 702         SGL_FREED,
 703         SGL_ALLOCATED,
 704         SGL_XRI_ABORTED
 705 };
 706
 707 struct lpfc_sglq {
 708         /* lpfc_sglqs are used in double linked lists */
 709         struct list_head list;
 710         struct list_head clist;
 711         enum lpfc_sge_type buff_type; /* is this a scsi sgl */
 712         enum lpfc_sgl_state state;
 713         struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
 714         uint16_t iotag;         /* pre-assigned IO tag */
 715         uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
 716         uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
 717         struct sli4_sge *sgl;   /* pre-assigned SGL */
 718         void *virt;             /* virtual address. */
 719         dma_addr_t phys;        /* physical address */
 720 };
 721
 722 struct lpfc_rpi_hdr {
 723         struct list_head list;
 724         uint32_t len;
 725         struct lpfc_dmabuf *dmabuf;
 726         uint32_t page_count;
 727         uint32_t start_rpi;
 728         uint16_t next_rpi;
 729 };
 730
 731 struct lpfc_rsrc_blks {
 732         struct list_head list;
 733         uint16_t rsrc_start;
 734         uint16_t rsrc_size;
 735         uint16_t rsrc_used;
 736 };
 737
 738 struct lpfc_rdp_context {
 739         struct lpfc_nodelist *ndlp;
 740         uint16_t ox_id;
 741         uint16_t rx_id;
 742         READ_LNK_VAR link_stat;
 743         uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
 744         uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
 745         void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
 746 };
 747
 748 struct lpfc_lcb_context {
 749         uint8_t  sub_command;
 750         uint8_t  type;
 751         uint8_t  frequency;
 752         uint16_t ox_id;
 753         uint16_t rx_id;
 754         struct lpfc_nodelist *ndlp;
 755 };
 756
 757
 758 /*
 759  * SLI4 specific function prototypes
 760  */
 761 int lpfc_pci_function_reset(struct lpfc_hba *);
 762 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
 763 int lpfc_sli4_hba_setup(struct lpfc_hba *);
 764 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
 765                      uint8_t, uint32_t, bool);
 766 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
 767 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
 768 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
 769                            struct lpfc_mbx_sge *);
 770 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
 771                                uint16_t);
 772
 773 void lpfc_sli4_hba_reset(struct lpfc_hba *);
 774 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
 775                                          uint32_t, uint32_t);
 776 void lpfc_sli4_queue_free(struct lpfc_queue *);
 777 int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
 778 int lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq,
 779                              uint32_t numq, uint32_t imax);
 780 int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
 781                         struct lpfc_queue *, uint32_t, uint32_t);
 782 int lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp,
 783                         struct lpfc_queue **eqp, uint32_t type,
 784                         uint32_t subtype);
 785 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
 786                        struct lpfc_queue *, uint32_t);
 787 int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
 788                         struct lpfc_queue *, uint32_t);
 789 int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
 790                         struct lpfc_queue *, struct lpfc_queue *, uint32_t);
 791 int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp,
 792                         struct lpfc_queue **drqp, struct lpfc_queue **cqp,
 793                         uint32_t subtype);
 794 int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 795 int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 796 int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 797 int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 798 int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
 799                          struct lpfc_queue *);
 800 int lpfc_sli4_queue_setup(struct lpfc_hba *);
 801 void lpfc_sli4_queue_unset(struct lpfc_hba *);
 802 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
 803 int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
 804 int lpfc_repost_nvme_sgl_list(struct lpfc_hba *phba);
 805 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
 806 void lpfc_sli4_free_xri(struct lpfc_hba *, int);
 807 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
 808 int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
 809 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 810 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 811 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
 812 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
 813 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
 814 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
 815 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
 816 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
 817 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
 818 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
 819 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
 820 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
 821 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
 822 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
 823 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
 824                         void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
 825 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
 826 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
 827 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
 828                                struct sli4_wcqe_xri_aborted *);
 829 void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
 830                                 struct sli4_wcqe_xri_aborted *axri);
 831 void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
 832                                  struct sli4_wcqe_xri_aborted *axri);
 833 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
 834                                struct sli4_wcqe_xri_aborted *);
 835 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
 836 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
 837 int lpfc_sli4_brdreset(struct lpfc_hba *);
 838 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
 839 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
 840 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
 841 int lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba);
 842 int lpfc_sli4_init_vpi(struct lpfc_vport *);
 843 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
 844 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
 845 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
 846 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
 847 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
 848 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
 849 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 850 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 851 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 852 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
 853 int lpfc_sli4_post_status_check(struct lpfc_hba *);
 854 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
 855 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);