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) 2009-2016 Emulex.  All rights reserved.           *
   5  * EMULEX and SLI are trademarks of Emulex.                        *
   6  * www.emulex.com                                                  *
   7  *                                                                 *
   8  * This program is free software; you can redistribute it and/or   *
   9  * modify it under the terms of version 2 of the GNU General       *
  10  * Public License as published by the Free Software Foundation.    *
  11  * This program is distributed in the hope that it will be useful. *
  12  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  13  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  14  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  15  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  16  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  17  * more details, a copy of which can be found in the file COPYING  *
  18  * included with this package.                                     *
  19  *******************************************************************/
  20
  21 #define LPFC_ACTIVE_MBOX_WAIT_CNT               100
  22 #define LPFC_XRI_EXCH_BUSY_WAIT_TMO             10000
  23 #define LPFC_XRI_EXCH_BUSY_WAIT_T1              10
  24 #define LPFC_XRI_EXCH_BUSY_WAIT_T2              30000
  25 #define LPFC_RELEASE_NOTIFICATION_INTERVAL      32
  26 #define LPFC_RPI_LOW_WATER_MARK                 10
  27
  28 #define LPFC_UNREG_FCF                          1
  29 #define LPFC_SKIP_UNREG_FCF                     0
  30
  31 /* Amount of time in seconds for waiting FCF rediscovery to complete */
  32 #define LPFC_FCF_REDISCOVER_WAIT_TMO            2000 /* msec */
  33
  34 /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
  35 #define LPFC_NEMBED_MBOX_SGL_CNT                254
  36
  37 /* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */
  38 #define LPFC_FCP_IO_CHAN_DEF       4
  39 #define LPFC_FCP_IO_CHAN_MIN       1
  40 #define LPFC_FCP_IO_CHAN_MAX       16
  41
  42 /* Number of channels used for Flash Optimized Fabric (FOF) operations */
  43
  44 #define LPFC_FOF_IO_CHAN_NUM       1
  45
  46 /*
  47  * Provide the default FCF Record attributes used by the driver
  48  * when nonFIP mode is configured and there is no other default
  49  * FCF Record attributes.
  50  */
  51 #define LPFC_FCOE_FCF_DEF_INDEX 0
  52 #define LPFC_FCOE_FCF_GET_FIRST 0xFFFF
  53 #define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF
  54
  55 #define LPFC_FCOE_NULL_VID      0xFFF
  56 #define LPFC_FCOE_IGNORE_VID    0xFFFF
  57
  58 /* First 3 bytes of default FCF MAC is specified by FC_MAP */
  59 #define LPFC_FCOE_FCF_MAC3      0xFF
  60 #define LPFC_FCOE_FCF_MAC4      0xFF
  61 #define LPFC_FCOE_FCF_MAC5      0xFE
  62 #define LPFC_FCOE_FCF_MAP0      0x0E
  63 #define LPFC_FCOE_FCF_MAP1      0xFC
  64 #define LPFC_FCOE_FCF_MAP2      0x00
  65 #define LPFC_FCOE_MAX_RCV_SIZE  0x800
  66 #define LPFC_FCOE_FKA_ADV_PER   0
  67 #define LPFC_FCOE_FIP_PRIORITY  0x80
  68
  69 #define sli4_sid_from_fc_hdr(fc_hdr)  \
  70         ((fc_hdr)->fh_s_id[0] << 16 | \
  71          (fc_hdr)->fh_s_id[1] <<  8 | \
  72          (fc_hdr)->fh_s_id[2])
  73
  74 #define sli4_did_from_fc_hdr(fc_hdr)  \
  75         ((fc_hdr)->fh_d_id[0] << 16 | \
  76          (fc_hdr)->fh_d_id[1] <<  8 | \
  77          (fc_hdr)->fh_d_id[2])
  78
  79 #define sli4_fctl_from_fc_hdr(fc_hdr)  \
  80         ((fc_hdr)->fh_f_ctl[0] << 16 | \
  81          (fc_hdr)->fh_f_ctl[1] <<  8 | \
  82          (fc_hdr)->fh_f_ctl[2])
  83
  84 #define sli4_type_from_fc_hdr(fc_hdr)  \
  85         ((fc_hdr)->fh_type)
  86
  87 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
  88
  89 #define INT_FW_UPGRADE  0
  90 #define RUN_FW_UPGRADE  1
  91
  92 enum lpfc_sli4_queue_type {
  93         LPFC_EQ,
  94         LPFC_GCQ,
  95         LPFC_MCQ,
  96         LPFC_WCQ,
  97         LPFC_RCQ,
  98         LPFC_MQ,
  99         LPFC_WQ,
 100         LPFC_HRQ,
 101         LPFC_DRQ
 102 };
 103
 104 /* The queue sub-type defines the functional purpose of the queue */
 105 enum lpfc_sli4_queue_subtype {
 106         LPFC_NONE,
 107         LPFC_MBOX,
 108         LPFC_FCP,
 109         LPFC_ELS,
 110         LPFC_USOL
 111 };
 112
 113 union sli4_qe {
 114         void *address;
 115         struct lpfc_eqe *eqe;
 116         struct lpfc_cqe *cqe;
 117         struct lpfc_mcqe *mcqe;
 118         struct lpfc_wcqe_complete *wcqe_complete;
 119         struct lpfc_wcqe_release *wcqe_release;
 120         struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
 121         struct lpfc_rcqe_complete *rcqe_complete;
 122         struct lpfc_mqe *mqe;
 123         union  lpfc_wqe *wqe;
 124         union  lpfc_wqe128 *wqe128;
 125         struct lpfc_rqe *rqe;
 126 };
 127
 128 struct lpfc_queue {
 129         struct list_head list;
 130         enum lpfc_sli4_queue_type type;
 131         enum lpfc_sli4_queue_subtype subtype;
 132         struct lpfc_hba *phba;
 133         struct list_head child_list;
 134         uint32_t entry_count;   /* Number of entries to support on the queue */
 135         uint32_t entry_size;    /* Size of each queue entry. */
 136         uint32_t entry_repost;  /* Count of entries before doorbell is rung */
 137 #define LPFC_QUEUE_MIN_REPOST   8
 138         uint32_t queue_id;      /* Queue ID assigned by the hardware */
 139         uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
 140         struct list_head page_list;
 141         uint32_t page_count;    /* Number of pages allocated for this queue */
 142         uint32_t host_index;    /* The host's index for putting or getting */
 143         uint32_t hba_index;     /* The last known hba index for get or put */
 144
 145         struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */
 146
 147         uint16_t db_format;
 148 #define LPFC_DB_RING_FORMAT     0x01
 149 #define LPFC_DB_LIST_FORMAT     0x02
 150         void __iomem *db_regaddr;
 151         /* For q stats */
 152         uint32_t q_cnt_1;
 153         uint32_t q_cnt_2;
 154         uint32_t q_cnt_3;
 155         uint64_t q_cnt_4;
 156 /* defines for EQ stats */
 157 #define EQ_max_eqe              q_cnt_1
 158 #define EQ_no_entry             q_cnt_2
 159 #define EQ_badstate             q_cnt_3
 160 #define EQ_processed            q_cnt_4
 161
 162 /* defines for CQ stats */
 163 #define CQ_mbox                 q_cnt_1
 164 #define CQ_max_cqe              q_cnt_1
 165 #define CQ_release_wqe          q_cnt_2
 166 #define CQ_xri_aborted          q_cnt_3
 167 #define CQ_wq                   q_cnt_4
 168
 169 /* defines for WQ stats */
 170 #define WQ_overflow             q_cnt_1
 171 #define WQ_posted               q_cnt_4
 172
 173 /* defines for RQ stats */
 174 #define RQ_no_posted_buf        q_cnt_1
 175 #define RQ_no_buf_found         q_cnt_2
 176 #define RQ_buf_trunc            q_cnt_3
 177 #define RQ_rcv_buf              q_cnt_4
 178
 179         union sli4_qe qe[1];    /* array to index entries (must be last) */
 180 };
 181
 182 struct lpfc_sli4_link {
 183         uint16_t speed;
 184         uint8_t duplex;
 185         uint8_t status;
 186         uint8_t type;
 187         uint8_t number;
 188         uint8_t fault;
 189         uint16_t logical_speed;
 190         uint16_t topology;
 191 };
 192
 193 struct lpfc_fcf_rec {
 194         uint8_t  fabric_name[8];
 195         uint8_t  switch_name[8];
 196         uint8_t  mac_addr[6];
 197         uint16_t fcf_indx;
 198         uint32_t priority;
 199         uint16_t vlan_id;
 200         uint32_t addr_mode;
 201         uint32_t flag;
 202 #define BOOT_ENABLE     0x01
 203 #define RECORD_VALID    0x02
 204 };
 205
 206 struct lpfc_fcf_pri_rec {
 207         uint16_t fcf_index;
 208 #define LPFC_FCF_ON_PRI_LIST 0x0001
 209 #define LPFC_FCF_FLOGI_FAILED 0x0002
 210         uint16_t flag;
 211         uint32_t priority;
 212 };
 213
 214 struct lpfc_fcf_pri {
 215         struct list_head list;
 216         struct lpfc_fcf_pri_rec fcf_rec;
 217 };
 218
 219 /*
 220  * Maximum FCF table index, it is for driver internal book keeping, it
 221  * just needs to be no less than the supported HBA's FCF table size.
 222  */
 223 #define LPFC_SLI4_FCF_TBL_INDX_MAX      32
 224
 225 struct lpfc_fcf {
 226         uint16_t fcfi;
 227         uint32_t fcf_flag;
 228 #define FCF_AVAILABLE   0x01 /* FCF available for discovery */
 229 #define FCF_REGISTERED  0x02 /* FCF registered with FW */
 230 #define FCF_SCAN_DONE   0x04 /* FCF table scan done */
 231 #define FCF_IN_USE      0x08 /* Atleast one discovery completed */
 232 #define FCF_INIT_DISC   0x10 /* Initial FCF discovery */
 233 #define FCF_DEAD_DISC   0x20 /* FCF DEAD fast FCF failover discovery */
 234 #define FCF_ACVL_DISC   0x40 /* All CVL fast FCF failover discovery */
 235 #define FCF_DISCOVERY   (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
 236 #define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
 237 #define FCF_REDISC_EVT  0x100 /* FCF rediscovery event to worker thread */
 238 #define FCF_REDISC_FOV  0x200 /* Post FCF rediscovery fast failover */
 239 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
 240         uint32_t addr_mode;
 241         uint32_t eligible_fcf_cnt;
 242         struct lpfc_fcf_rec current_rec;
 243         struct lpfc_fcf_rec failover_rec;
 244         struct list_head fcf_pri_list;
 245         struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
 246         uint32_t current_fcf_scan_pri;
 247         struct timer_list redisc_wait;
 248         unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
 249 };
 250
 251
 252 #define LPFC_REGION23_SIGNATURE "RG23"
 253 #define LPFC_REGION23_VERSION   1
 254 #define LPFC_REGION23_LAST_REC  0xff
 255 #define DRIVER_SPECIFIC_TYPE    0xA2
 256 #define LINUX_DRIVER_ID         0x20
 257 #define PORT_STE_TYPE           0x1
 258
 259 struct lpfc_fip_param_hdr {
 260         uint8_t type;
 261 #define FCOE_PARAM_TYPE         0xA0
 262         uint8_t length;
 263 #define FCOE_PARAM_LENGTH       2
 264         uint8_t parm_version;
 265 #define FIPP_VERSION            0x01
 266         uint8_t parm_flags;
 267 #define lpfc_fip_param_hdr_fipp_mode_SHIFT      6
 268 #define lpfc_fip_param_hdr_fipp_mode_MASK       0x3
 269 #define lpfc_fip_param_hdr_fipp_mode_WORD       parm_flags
 270 #define FIPP_MODE_ON                            0x1
 271 #define FIPP_MODE_OFF                           0x0
 272 #define FIPP_VLAN_VALID                         0x1
 273 };
 274
 275 struct lpfc_fcoe_params {
 276         uint8_t fc_map[3];
 277         uint8_t reserved1;
 278         uint16_t vlan_tag;
 279         uint8_t reserved[2];
 280 };
 281
 282 struct lpfc_fcf_conn_hdr {
 283         uint8_t type;
 284 #define FCOE_CONN_TBL_TYPE              0xA1
 285         uint8_t length;   /* words */
 286         uint8_t reserved[2];
 287 };
 288
 289 struct lpfc_fcf_conn_rec {
 290         uint16_t flags;
 291 #define FCFCNCT_VALID           0x0001
 292 #define FCFCNCT_BOOT            0x0002
 293 #define FCFCNCT_PRIMARY         0x0004   /* if not set, Secondary */
 294 #define FCFCNCT_FBNM_VALID      0x0008
 295 #define FCFCNCT_SWNM_VALID      0x0010
 296 #define FCFCNCT_VLAN_VALID      0x0020
 297 #define FCFCNCT_AM_VALID        0x0040
 298 #define FCFCNCT_AM_PREFERRED    0x0080   /* if not set, AM Required */
 299 #define FCFCNCT_AM_SPMA         0x0100   /* if not set, FPMA */
 300
 301         uint16_t vlan_tag;
 302         uint8_t fabric_name[8];
 303         uint8_t switch_name[8];
 304 };
 305
 306 struct lpfc_fcf_conn_entry {
 307         struct list_head list;
 308         struct lpfc_fcf_conn_rec conn_rec;
 309 };
 310
 311 /*
 312  * Define the host's bootstrap mailbox.  This structure contains
 313  * the member attributes needed to create, use, and destroy the
 314  * bootstrap mailbox region.
 315  *
 316  * The macro definitions for the bmbx data structure are defined
 317  * in lpfc_hw4.h with the register definition.
 318  */
 319 struct lpfc_bmbx {
 320         struct lpfc_dmabuf *dmabuf;
 321         struct dma_address dma_address;
 322         void *avirt;
 323         dma_addr_t aphys;
 324         uint32_t bmbx_size;
 325 };
 326
 327 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
 328
 329 #define LPFC_EQE_SIZE_4B        4
 330 #define LPFC_EQE_SIZE_16B       16
 331 #define LPFC_CQE_SIZE           16
 332 #define LPFC_WQE_SIZE           64
 333 #define LPFC_WQE128_SIZE        128
 334 #define LPFC_MQE_SIZE           256
 335 #define LPFC_RQE_SIZE           8
 336
 337 #define LPFC_EQE_DEF_COUNT      1024
 338 #define LPFC_CQE_DEF_COUNT      1024
 339 #define LPFC_WQE_DEF_COUNT      256
 340 #define LPFC_WQE128_DEF_COUNT   128
 341 #define LPFC_MQE_DEF_COUNT      16
 342 #define LPFC_RQE_DEF_COUNT      512
 343
 344 #define LPFC_QUEUE_NOARM        false
 345 #define LPFC_QUEUE_REARM        true
 346
 347
 348 /*
 349  * SLI4 CT field defines
 350  */
 351 #define SLI4_CT_RPI 0
 352 #define SLI4_CT_VPI 1
 353 #define SLI4_CT_VFI 2
 354 #define SLI4_CT_FCFI 3
 355
 356 /*
 357  * SLI4 specific data structures
 358  */
 359 struct lpfc_max_cfg_param {
 360         uint16_t max_xri;
 361         uint16_t xri_base;
 362         uint16_t xri_used;
 363         uint16_t max_rpi;
 364         uint16_t rpi_base;
 365         uint16_t rpi_used;
 366         uint16_t max_vpi;
 367         uint16_t vpi_base;
 368         uint16_t vpi_used;
 369         uint16_t max_vfi;
 370         uint16_t vfi_base;
 371         uint16_t vfi_used;
 372         uint16_t max_fcfi;
 373         uint16_t fcfi_used;
 374         uint16_t max_eq;
 375         uint16_t max_rq;
 376         uint16_t max_cq;
 377         uint16_t max_wq;
 378 };
 379
 380 struct lpfc_hba;
 381 /* SLI4 HBA multi-fcp queue handler struct */
 382 struct lpfc_fcp_eq_hdl {
 383         uint32_t idx;
 384         struct lpfc_hba *phba;
 385         atomic_t fcp_eq_in_use;
 386 };
 387
 388 /* Port Capabilities for SLI4 Parameters */
 389 struct lpfc_pc_sli4_params {
 390         uint32_t supported;
 391         uint32_t if_type;
 392         uint32_t sli_rev;
 393         uint32_t sli_family;
 394         uint32_t featurelevel_1;
 395         uint32_t featurelevel_2;
 396         uint32_t proto_types;
 397 #define LPFC_SLI4_PROTO_FCOE    0x0000001
 398 #define LPFC_SLI4_PROTO_FC      0x0000002
 399 #define LPFC_SLI4_PROTO_NIC     0x0000004
 400 #define LPFC_SLI4_PROTO_ISCSI   0x0000008
 401 #define LPFC_SLI4_PROTO_RDMA    0x0000010
 402         uint32_t sge_supp_len;
 403         uint32_t if_page_sz;
 404         uint32_t rq_db_window;
 405         uint32_t loopbk_scope;
 406         uint32_t oas_supported;
 407         uint32_t eq_pages_max;
 408         uint32_t eqe_size;
 409         uint32_t cq_pages_max;
 410         uint32_t cqe_size;
 411         uint32_t mq_pages_max;
 412         uint32_t mqe_size;
 413         uint32_t mq_elem_cnt;
 414         uint32_t wq_pages_max;
 415         uint32_t wqe_size;
 416         uint32_t rq_pages_max;
 417         uint32_t rqe_size;
 418         uint32_t hdr_pages_max;
 419         uint32_t hdr_size;
 420         uint32_t hdr_pp_align;
 421         uint32_t sgl_pages_max;
 422         uint32_t sgl_pp_align;
 423         uint8_t cqv;
 424         uint8_t mqv;
 425         uint8_t wqv;
 426         uint8_t rqv;
 427         uint8_t wqsize;
 428 #define LPFC_WQ_SZ64_SUPPORT    1
 429 #define LPFC_WQ_SZ128_SUPPORT   2
 430 };
 431
 432 struct lpfc_iov {
 433         uint32_t pf_number;
 434         uint32_t vf_number;
 435 };
 436
 437 struct lpfc_sli4_lnk_info {
 438         uint8_t lnk_dv;
 439 #define LPFC_LNK_DAT_INVAL      0
 440 #define LPFC_LNK_DAT_VAL        1
 441         uint8_t lnk_tp;
 442 #define LPFC_LNK_GE     0x0 /* FCoE */
 443 #define LPFC_LNK_FC     0x1 /* FC   */
 444         uint8_t lnk_no;
 445         uint8_t optic_state;
 446 };
 447
 448 #define LPFC_SLI4_HANDLER_CNT           (LPFC_FCP_IO_CHAN_MAX+ \
 449                                          LPFC_FOF_IO_CHAN_NUM)
 450 #define LPFC_SLI4_HANDLER_NAME_SZ       16
 451
 452 /* Used for IRQ vector to CPU mapping */
 453 struct lpfc_vector_map_info {
 454         uint16_t        phys_id;
 455         uint16_t        core_id;
 456         uint16_t        irq;
 457         uint16_t        channel_id;
 458 };
 459 #define LPFC_VECTOR_MAP_EMPTY   0xffff
 460
 461 /* SLI4 HBA data structure entries */
 462 struct lpfc_sli4_hba {
 463         void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
 464                                              PCI BAR0, config space registers */
 465         void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
 466                                              PCI BAR1, control registers */
 467         void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
 468                                              PCI BAR2, doorbell registers */
 469         union {
 470                 struct {
 471                         /* IF Type 0, BAR 0 PCI cfg space reg mem map */
 472                         void __iomem *UERRLOregaddr;
 473                         void __iomem *UERRHIregaddr;
 474                         void __iomem *UEMASKLOregaddr;
 475                         void __iomem *UEMASKHIregaddr;
 476                 } if_type0;
 477                 struct {
 478                         /* IF Type 2, BAR 0 PCI cfg space reg mem map. */
 479                         void __iomem *STATUSregaddr;
 480                         void __iomem *CTRLregaddr;
 481                         void __iomem *ERR1regaddr;
 482 #define SLIPORT_ERR1_REG_ERR_CODE_1             0x1
 483 #define SLIPORT_ERR1_REG_ERR_CODE_2             0x2
 484                         void __iomem *ERR2regaddr;
 485 #define SLIPORT_ERR2_REG_FW_RESTART             0x0
 486 #define SLIPORT_ERR2_REG_FUNC_PROVISON          0x1
 487 #define SLIPORT_ERR2_REG_FORCED_DUMP            0x2
 488 #define SLIPORT_ERR2_REG_FAILURE_EQ             0x3
 489 #define SLIPORT_ERR2_REG_FAILURE_CQ             0x4
 490 #define SLIPORT_ERR2_REG_FAILURE_BUS            0x5
 491 #define SLIPORT_ERR2_REG_FAILURE_RQ             0x6
 492                 } if_type2;
 493         } u;
 494
 495         /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
 496         void __iomem *PSMPHRregaddr;
 497
 498         /* Well-known SLI INTF register memory map. */
 499         void __iomem *SLIINTFregaddr;
 500
 501         /* IF type 0, BAR 1 function CSR register memory map */
 502         void __iomem *ISRregaddr;       /* HST_ISR register */
 503         void __iomem *IMRregaddr;       /* HST_IMR register */
 504         void __iomem *ISCRregaddr;      /* HST_ISCR register */
 505         /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
 506         void __iomem *RQDBregaddr;      /* RQ_DOORBELL register */
 507         void __iomem *WQDBregaddr;      /* WQ_DOORBELL register */
 508         void __iomem *EQCQDBregaddr;    /* EQCQ_DOORBELL register */
 509         void __iomem *MQDBregaddr;      /* MQ_DOORBELL register */
 510         void __iomem *BMBXregaddr;      /* BootStrap MBX register */
 511
 512         uint32_t ue_mask_lo;
 513         uint32_t ue_mask_hi;
 514         uint32_t ue_to_sr;
 515         uint32_t ue_to_rp;
 516         struct lpfc_register sli_intf;
 517         struct lpfc_pc_sli4_params pc_sli4_params;
 518         struct msix_entry *msix_entries;
 519         uint8_t handler_name[LPFC_SLI4_HANDLER_CNT][LPFC_SLI4_HANDLER_NAME_SZ];
 520         struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
 521
 522         /* Pointers to the constructed SLI4 queues */
 523         struct lpfc_queue **hba_eq;/* Event queues for HBA */
 524         struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */
 525         struct lpfc_queue **fcp_wq;/* Fast-path FCP work queue */
 526         uint16_t *fcp_cq_map;
 527
 528         struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
 529         struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
 530         struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
 531         struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
 532         struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
 533         struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
 534
 535         uint32_t fw_func_mode;  /* FW function protocol mode */
 536         uint32_t ulp0_mode;     /* ULP0 protocol mode */
 537         uint32_t ulp1_mode;     /* ULP1 protocol mode */
 538
 539         struct lpfc_queue *fof_eq; /* Flash Optimized Fabric Event queue */
 540
 541         /* Optimized Access Storage specific queues/structures */
 542
 543         struct lpfc_queue *oas_cq; /* OAS completion queue */
 544         struct lpfc_queue *oas_wq; /* OAS Work queue */
 545         struct lpfc_sli_ring *oas_ring;
 546         uint64_t oas_next_lun;
 547         uint8_t oas_next_tgt_wwpn[8];
 548         uint8_t oas_next_vpt_wwpn[8];
 549
 550         /* Setup information for various queue parameters */
 551         int eq_esize;
 552         int eq_ecount;
 553         int cq_esize;
 554         int cq_ecount;
 555         int wq_esize;
 556         int wq_ecount;
 557         int mq_esize;
 558         int mq_ecount;
 559         int rq_esize;
 560         int rq_ecount;
 561 #define LPFC_SP_EQ_MAX_INTR_SEC         10000
 562 #define LPFC_FP_EQ_MAX_INTR_SEC         10000
 563
 564         uint32_t intr_enable;
 565         struct lpfc_bmbx bmbx;
 566         struct lpfc_max_cfg_param max_cfg_param;
 567         uint16_t extents_in_use; /* must allocate resource extents. */
 568         uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
 569         uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
 570         uint16_t next_rpi;
 571         uint16_t scsi_xri_max;
 572         uint16_t scsi_xri_cnt;
 573         uint16_t els_xri_cnt;
 574         uint16_t scsi_xri_start;
 575         struct list_head lpfc_free_sgl_list;
 576         struct list_head lpfc_sgl_list;
 577         struct list_head lpfc_abts_els_sgl_list;
 578         struct list_head lpfc_abts_scsi_buf_list;
 579         struct lpfc_sglq **lpfc_sglq_active_list;
 580         struct list_head lpfc_rpi_hdr_list;
 581         unsigned long *rpi_bmask;
 582         uint16_t *rpi_ids;
 583         uint16_t rpi_count;
 584         struct list_head lpfc_rpi_blk_list;
 585         unsigned long *xri_bmask;
 586         uint16_t *xri_ids;
 587         struct list_head lpfc_xri_blk_list;
 588         unsigned long *vfi_bmask;
 589         uint16_t *vfi_ids;
 590         uint16_t vfi_count;
 591         struct list_head lpfc_vfi_blk_list;
 592         struct lpfc_sli4_flags sli4_flags;
 593         struct list_head sp_queue_event;
 594         struct list_head sp_cqe_event_pool;
 595         struct list_head sp_asynce_work_queue;
 596         struct list_head sp_fcp_xri_aborted_work_queue;
 597         struct list_head sp_els_xri_aborted_work_queue;
 598         struct list_head sp_unsol_work_queue;
 599         struct lpfc_sli4_link link_state;
 600         struct lpfc_sli4_lnk_info lnk_info;
 601         uint32_t pport_name_sta;
 602 #define LPFC_SLI4_PPNAME_NON    0
 603 #define LPFC_SLI4_PPNAME_GET    1
 604         struct lpfc_iov iov;
 605         spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
 606         spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */
 607         uint32_t physical_port;
 608
 609         /* CPU to vector mapping information */
 610         struct lpfc_vector_map_info *cpu_map;
 611         uint16_t num_online_cpu;
 612         uint16_t num_present_cpu;
 613         uint16_t curr_disp_cpu;
 614 };
 615
 616 enum lpfc_sge_type {
 617         GEN_BUFF_TYPE,
 618         SCSI_BUFF_TYPE
 619 };
 620
 621 enum lpfc_sgl_state {
 622         SGL_FREED,
 623         SGL_ALLOCATED,
 624         SGL_XRI_ABORTED
 625 };
 626
 627 struct lpfc_sglq {
 628         /* lpfc_sglqs are used in double linked lists */
 629         struct list_head list;
 630         struct list_head clist;
 631         enum lpfc_sge_type buff_type; /* is this a scsi sgl */
 632         enum lpfc_sgl_state state;
 633         struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
 634         uint16_t iotag;         /* pre-assigned IO tag */
 635         uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
 636         uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
 637         struct sli4_sge *sgl;   /* pre-assigned SGL */
 638         void *virt;             /* virtual address. */
 639         dma_addr_t phys;        /* physical address */
 640 };
 641
 642 struct lpfc_rpi_hdr {
 643         struct list_head list;
 644         uint32_t len;
 645         struct lpfc_dmabuf *dmabuf;
 646         uint32_t page_count;
 647         uint32_t start_rpi;
 648 };
 649
 650 struct lpfc_rsrc_blks {
 651         struct list_head list;
 652         uint16_t rsrc_start;
 653         uint16_t rsrc_size;
 654         uint16_t rsrc_used;
 655 };
 656
 657 struct lpfc_rdp_context {
 658         struct lpfc_nodelist *ndlp;
 659         uint16_t ox_id;
 660         uint16_t rx_id;
 661         READ_LNK_VAR link_stat;
 662         uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
 663         uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
 664         void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
 665 };
 666
 667 struct lpfc_lcb_context {
 668         uint8_t  sub_command;
 669         uint8_t  type;
 670         uint8_t  frequency;
 671         uint16_t ox_id;
 672         uint16_t rx_id;
 673         struct lpfc_nodelist *ndlp;
 674 };
 675
 676
 677 /*
 678  * SLI4 specific function prototypes
 679  */
 680 int lpfc_pci_function_reset(struct lpfc_hba *);
 681 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
 682 int lpfc_sli4_hba_setup(struct lpfc_hba *);
 683 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
 684                      uint8_t, uint32_t, bool);
 685 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
 686 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
 687 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
 688                            struct lpfc_mbx_sge *);
 689 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
 690                                uint16_t);
 691
 692 void lpfc_sli4_hba_reset(struct lpfc_hba *);
 693 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
 694                         uint32_t);
 695 void lpfc_sli4_queue_free(struct lpfc_queue *);
 696 int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
 697 int lpfc_modify_fcp_eq_delay(struct lpfc_hba *, uint32_t);
 698 int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
 699                         struct lpfc_queue *, uint32_t, uint32_t);
 700 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
 701                        struct lpfc_queue *, uint32_t);
 702 int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
 703                         struct lpfc_queue *, uint32_t);
 704 int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
 705                         struct lpfc_queue *, struct lpfc_queue *, uint32_t);
 706 void lpfc_rq_adjust_repost(struct lpfc_hba *, struct lpfc_queue *, int);
 707 int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 708 int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 709 int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 710 int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 711 int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
 712                          struct lpfc_queue *);
 713 int lpfc_sli4_queue_setup(struct lpfc_hba *);
 714 void lpfc_sli4_queue_unset(struct lpfc_hba *);
 715 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
 716 int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
 717 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
 718 void lpfc_sli4_free_xri(struct lpfc_hba *, int);
 719 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
 720 int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
 721 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 722 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 723 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
 724 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
 725 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
 726 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
 727 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
 728 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
 729 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
 730 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
 731 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
 732 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
 733 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
 734 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
 735 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
 736                         void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
 737 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
 738 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
 739 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
 740                                struct sli4_wcqe_xri_aborted *);
 741 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
 742                                struct sli4_wcqe_xri_aborted *);
 743 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
 744 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
 745 int lpfc_sli4_brdreset(struct lpfc_hba *);
 746 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
 747 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
 748 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
 749 int lpfc_sli4_init_vpi(struct lpfc_vport *);
 750 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
 751 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
 752 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
 753 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
 754 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
 755 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
 756 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 757 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 758 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 759 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
 760 int lpfc_sli4_post_status_check(struct lpfc_hba *);
 761 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
 762 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);