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) 2009-2011 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 fast-path FCP work queues */
  38 #define LPFC_FN_EQN_MAX       8
  39 #define LPFC_SP_EQN_DEF       1
  40 #define LPFC_FP_EQN_DEF       4
  41 #define LPFC_FP_EQN_MIN       1
  42 #define LPFC_FP_EQN_MAX       (LPFC_FN_EQN_MAX - LPFC_SP_EQN_DEF)
  43
  44 #define LPFC_FN_WQN_MAX       32
  45 #define LPFC_SP_WQN_DEF       1
  46 #define LPFC_FP_WQN_DEF       4
  47 #define LPFC_FP_WQN_MIN       1
  48 #define LPFC_FP_WQN_MAX       (LPFC_FN_WQN_MAX - LPFC_SP_WQN_DEF)
  49
  50 /*
  51  * Provide the default FCF Record attributes used by the driver
  52  * when nonFIP mode is configured and there is no other default
  53  * FCF Record attributes.
  54  */
  55 #define LPFC_FCOE_FCF_DEF_INDEX 0
  56 #define LPFC_FCOE_FCF_GET_FIRST 0xFFFF
  57 #define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF
  58
  59 #define LPFC_FCOE_NULL_VID      0xFFF
  60 #define LPFC_FCOE_IGNORE_VID    0xFFFF
  61
  62 /* First 3 bytes of default FCF MAC is specified by FC_MAP */
  63 #define LPFC_FCOE_FCF_MAC3      0xFF
  64 #define LPFC_FCOE_FCF_MAC4      0xFF
  65 #define LPFC_FCOE_FCF_MAC5      0xFE
  66 #define LPFC_FCOE_FCF_MAP0      0x0E
  67 #define LPFC_FCOE_FCF_MAP1      0xFC
  68 #define LPFC_FCOE_FCF_MAP2      0x00
  69 #define LPFC_FCOE_MAX_RCV_SIZE  0x800
  70 #define LPFC_FCOE_FKA_ADV_PER   0
  71 #define LPFC_FCOE_FIP_PRIORITY  0x80
  72
  73 #define sli4_sid_from_fc_hdr(fc_hdr)  \
  74         ((fc_hdr)->fh_s_id[0] << 16 | \
  75          (fc_hdr)->fh_s_id[1] <<  8 | \
  76          (fc_hdr)->fh_s_id[2])
  77
  78 #define sli4_did_from_fc_hdr(fc_hdr)  \
  79         ((fc_hdr)->fh_d_id[0] << 16 | \
  80          (fc_hdr)->fh_d_id[1] <<  8 | \
  81          (fc_hdr)->fh_d_id[2])
  82
  83 #define sli4_fctl_from_fc_hdr(fc_hdr)  \
  84         ((fc_hdr)->fh_f_ctl[0] << 16 | \
  85          (fc_hdr)->fh_f_ctl[1] <<  8 | \
  86          (fc_hdr)->fh_f_ctl[2])
  87
  88 #define sli4_type_from_fc_hdr(fc_hdr)  \
  89         ((fc_hdr)->fh_type)
  90
  91 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
  92
  93 enum lpfc_sli4_queue_type {
  94         LPFC_EQ,
  95         LPFC_GCQ,
  96         LPFC_MCQ,
  97         LPFC_WCQ,
  98         LPFC_RCQ,
  99         LPFC_MQ,
 100         LPFC_WQ,
 101         LPFC_HRQ,
 102         LPFC_DRQ
 103 };
 104
 105 /* The queue sub-type defines the functional purpose of the queue */
 106 enum lpfc_sli4_queue_subtype {
 107         LPFC_NONE,
 108         LPFC_MBOX,
 109         LPFC_FCP,
 110         LPFC_ELS,
 111         LPFC_USOL
 112 };
 113
 114 union sli4_qe {
 115         void *address;
 116         struct lpfc_eqe *eqe;
 117         struct lpfc_cqe *cqe;
 118         struct lpfc_mcqe *mcqe;
 119         struct lpfc_wcqe_complete *wcqe_complete;
 120         struct lpfc_wcqe_release *wcqe_release;
 121         struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
 122         struct lpfc_rcqe_complete *rcqe_complete;
 123         struct lpfc_mqe *mqe;
 124         union  lpfc_wqe *wqe;
 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         union sli4_qe qe[1];    /* array to index entries (must be last) */
 145 };
 146
 147 struct lpfc_sli4_link {
 148         uint8_t speed;
 149         uint8_t duplex;
 150         uint8_t status;
 151         uint8_t type;
 152         uint8_t number;
 153         uint8_t fault;
 154         uint16_t logical_speed;
 155         uint16_t topology;
 156 };
 157
 158 struct lpfc_fcf_rec {
 159         uint8_t  fabric_name[8];
 160         uint8_t  switch_name[8];
 161         uint8_t  mac_addr[6];
 162         uint16_t fcf_indx;
 163         uint32_t priority;
 164         uint16_t vlan_id;
 165         uint32_t addr_mode;
 166         uint32_t flag;
 167 #define BOOT_ENABLE     0x01
 168 #define RECORD_VALID    0x02
 169 };
 170
 171 struct lpfc_fcf_pri_rec {
 172         uint16_t fcf_index;
 173 #define LPFC_FCF_ON_PRI_LIST 0x0001
 174 #define LPFC_FCF_FLOGI_FAILED 0x0002
 175         uint16_t flag;
 176         uint32_t priority;
 177 };
 178
 179 struct lpfc_fcf_pri {
 180         struct list_head list;
 181         struct lpfc_fcf_pri_rec fcf_rec;
 182 };
 183
 184 /*
 185  * Maximum FCF table index, it is for driver internal book keeping, it
 186  * just needs to be no less than the supported HBA's FCF table size.
 187  */
 188 #define LPFC_SLI4_FCF_TBL_INDX_MAX      32
 189
 190 struct lpfc_fcf {
 191         uint16_t fcfi;
 192         uint32_t fcf_flag;
 193 #define FCF_AVAILABLE   0x01 /* FCF available for discovery */
 194 #define FCF_REGISTERED  0x02 /* FCF registered with FW */
 195 #define FCF_SCAN_DONE   0x04 /* FCF table scan done */
 196 #define FCF_IN_USE      0x08 /* Atleast one discovery completed */
 197 #define FCF_INIT_DISC   0x10 /* Initial FCF discovery */
 198 #define FCF_DEAD_DISC   0x20 /* FCF DEAD fast FCF failover discovery */
 199 #define FCF_ACVL_DISC   0x40 /* All CVL fast FCF failover discovery */
 200 #define FCF_DISCOVERY   (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
 201 #define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
 202 #define FCF_REDISC_EVT  0x100 /* FCF rediscovery event to worker thread */
 203 #define FCF_REDISC_FOV  0x200 /* Post FCF rediscovery fast failover */
 204 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
 205         uint32_t addr_mode;
 206         uint32_t eligible_fcf_cnt;
 207         struct lpfc_fcf_rec current_rec;
 208         struct lpfc_fcf_rec failover_rec;
 209         struct list_head fcf_pri_list;
 210         struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
 211         uint32_t current_fcf_scan_pri;
 212         struct timer_list redisc_wait;
 213         unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
 214 };
 215
 216
 217 #define LPFC_REGION23_SIGNATURE "RG23"
 218 #define LPFC_REGION23_VERSION   1
 219 #define LPFC_REGION23_LAST_REC  0xff
 220 #define DRIVER_SPECIFIC_TYPE    0xA2
 221 #define LINUX_DRIVER_ID         0x20
 222 #define PORT_STE_TYPE           0x1
 223
 224 struct lpfc_fip_param_hdr {
 225         uint8_t type;
 226 #define FCOE_PARAM_TYPE         0xA0
 227         uint8_t length;
 228 #define FCOE_PARAM_LENGTH       2
 229         uint8_t parm_version;
 230 #define FIPP_VERSION            0x01
 231         uint8_t parm_flags;
 232 #define lpfc_fip_param_hdr_fipp_mode_SHIFT      6
 233 #define lpfc_fip_param_hdr_fipp_mode_MASK       0x3
 234 #define lpfc_fip_param_hdr_fipp_mode_WORD       parm_flags
 235 #define FIPP_MODE_ON                            0x1
 236 #define FIPP_MODE_OFF                           0x0
 237 #define FIPP_VLAN_VALID                         0x1
 238 };
 239
 240 struct lpfc_fcoe_params {
 241         uint8_t fc_map[3];
 242         uint8_t reserved1;
 243         uint16_t vlan_tag;
 244         uint8_t reserved[2];
 245 };
 246
 247 struct lpfc_fcf_conn_hdr {
 248         uint8_t type;
 249 #define FCOE_CONN_TBL_TYPE              0xA1
 250         uint8_t length;   /* words */
 251         uint8_t reserved[2];
 252 };
 253
 254 struct lpfc_fcf_conn_rec {
 255         uint16_t flags;
 256 #define FCFCNCT_VALID           0x0001
 257 #define FCFCNCT_BOOT            0x0002
 258 #define FCFCNCT_PRIMARY         0x0004   /* if not set, Secondary */
 259 #define FCFCNCT_FBNM_VALID      0x0008
 260 #define FCFCNCT_SWNM_VALID      0x0010
 261 #define FCFCNCT_VLAN_VALID      0x0020
 262 #define FCFCNCT_AM_VALID        0x0040
 263 #define FCFCNCT_AM_PREFERRED    0x0080   /* if not set, AM Required */
 264 #define FCFCNCT_AM_SPMA         0x0100   /* if not set, FPMA */
 265
 266         uint16_t vlan_tag;
 267         uint8_t fabric_name[8];
 268         uint8_t switch_name[8];
 269 };
 270
 271 struct lpfc_fcf_conn_entry {
 272         struct list_head list;
 273         struct lpfc_fcf_conn_rec conn_rec;
 274 };
 275
 276 /*
 277  * Define the host's bootstrap mailbox.  This structure contains
 278  * the member attributes needed to create, use, and destroy the
 279  * bootstrap mailbox region.
 280  *
 281  * The macro definitions for the bmbx data structure are defined
 282  * in lpfc_hw4.h with the register definition.
 283  */
 284 struct lpfc_bmbx {
 285         struct lpfc_dmabuf *dmabuf;
 286         struct dma_address dma_address;
 287         void *avirt;
 288         dma_addr_t aphys;
 289         uint32_t bmbx_size;
 290 };
 291
 292 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
 293
 294 #define LPFC_EQE_SIZE_4B        4
 295 #define LPFC_EQE_SIZE_16B       16
 296 #define LPFC_CQE_SIZE           16
 297 #define LPFC_WQE_SIZE           64
 298 #define LPFC_MQE_SIZE           256
 299 #define LPFC_RQE_SIZE           8
 300
 301 #define LPFC_EQE_DEF_COUNT      1024
 302 #define LPFC_CQE_DEF_COUNT      1024
 303 #define LPFC_WQE_DEF_COUNT      256
 304 #define LPFC_MQE_DEF_COUNT      16
 305 #define LPFC_RQE_DEF_COUNT      512
 306
 307 #define LPFC_QUEUE_NOARM        false
 308 #define LPFC_QUEUE_REARM        true
 309
 310
 311 /*
 312  * SLI4 CT field defines
 313  */
 314 #define SLI4_CT_RPI 0
 315 #define SLI4_CT_VPI 1
 316 #define SLI4_CT_VFI 2
 317 #define SLI4_CT_FCFI 3
 318
 319 #define LPFC_SLI4_FL1_MAX_SEGMENT_SIZE  0x10000
 320 #define LPFC_SLI4_FL1_MAX_BUF_SIZE      0X2000
 321 #define LPFC_SLI4_MIN_BUF_SIZE          0x400
 322 #define LPFC_SLI4_MAX_BUF_SIZE          0x20000
 323
 324 /*
 325  * SLI4 specific data structures
 326  */
 327 struct lpfc_max_cfg_param {
 328         uint16_t max_xri;
 329         uint16_t xri_base;
 330         uint16_t xri_used;
 331         uint16_t max_rpi;
 332         uint16_t rpi_base;
 333         uint16_t rpi_used;
 334         uint16_t max_vpi;
 335         uint16_t vpi_base;
 336         uint16_t vpi_used;
 337         uint16_t max_vfi;
 338         uint16_t vfi_base;
 339         uint16_t vfi_used;
 340         uint16_t max_fcfi;
 341         uint16_t fcfi_used;
 342         uint16_t max_eq;
 343         uint16_t max_rq;
 344         uint16_t max_cq;
 345         uint16_t max_wq;
 346 };
 347
 348 struct lpfc_hba;
 349 /* SLI4 HBA multi-fcp queue handler struct */
 350 struct lpfc_fcp_eq_hdl {
 351         uint32_t idx;
 352         struct lpfc_hba *phba;
 353 };
 354
 355 /* Port Capabilities for SLI4 Parameters */
 356 struct lpfc_pc_sli4_params {
 357         uint32_t supported;
 358         uint32_t if_type;
 359         uint32_t sli_rev;
 360         uint32_t sli_family;
 361         uint32_t featurelevel_1;
 362         uint32_t featurelevel_2;
 363         uint32_t proto_types;
 364 #define LPFC_SLI4_PROTO_FCOE    0x0000001
 365 #define LPFC_SLI4_PROTO_FC      0x0000002
 366 #define LPFC_SLI4_PROTO_NIC     0x0000004
 367 #define LPFC_SLI4_PROTO_ISCSI   0x0000008
 368 #define LPFC_SLI4_PROTO_RDMA    0x0000010
 369         uint32_t sge_supp_len;
 370         uint32_t if_page_sz;
 371         uint32_t rq_db_window;
 372         uint32_t loopbk_scope;
 373         uint32_t eq_pages_max;
 374         uint32_t eqe_size;
 375         uint32_t cq_pages_max;
 376         uint32_t cqe_size;
 377         uint32_t mq_pages_max;
 378         uint32_t mqe_size;
 379         uint32_t mq_elem_cnt;
 380         uint32_t wq_pages_max;
 381         uint32_t wqe_size;
 382         uint32_t rq_pages_max;
 383         uint32_t rqe_size;
 384         uint32_t hdr_pages_max;
 385         uint32_t hdr_size;
 386         uint32_t hdr_pp_align;
 387         uint32_t sgl_pages_max;
 388         uint32_t sgl_pp_align;
 389         uint8_t cqv;
 390         uint8_t mqv;
 391         uint8_t wqv;
 392         uint8_t rqv;
 393 };
 394
 395 struct lpfc_iov {
 396         uint32_t pf_number;
 397         uint32_t vf_number;
 398 };
 399
 400 struct lpfc_sli4_lnk_info {
 401         uint8_t lnk_dv;
 402 #define LPFC_LNK_DAT_INVAL      0
 403 #define LPFC_LNK_DAT_VAL        1
 404         uint8_t lnk_tp;
 405 #define LPFC_LNK_GE     0x0 /* FCoE */
 406 #define LPFC_LNK_FC     0x1 /* FC   */
 407         uint8_t lnk_no;
 408 };
 409
 410 /* SLI4 HBA data structure entries */
 411 struct lpfc_sli4_hba {
 412         void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
 413                                              PCI BAR0, config space registers */
 414         void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
 415                                              PCI BAR1, control registers */
 416         void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
 417                                              PCI BAR2, doorbell registers */
 418         union {
 419                 struct {
 420                         /* IF Type 0, BAR 0 PCI cfg space reg mem map */
 421                         void __iomem *UERRLOregaddr;
 422                         void __iomem *UERRHIregaddr;
 423                         void __iomem *UEMASKLOregaddr;
 424                         void __iomem *UEMASKHIregaddr;
 425                 } if_type0;
 426                 struct {
 427                         /* IF Type 2, BAR 0 PCI cfg space reg mem map. */
 428                         void __iomem *STATUSregaddr;
 429                         void __iomem *CTRLregaddr;
 430                         void __iomem *ERR1regaddr;
 431 #define SLIPORT_ERR1_REG_ERR_CODE_1             0x1
 432 #define SLIPORT_ERR1_REG_ERR_CODE_2             0x2
 433                         void __iomem *ERR2regaddr;
 434 #define SLIPORT_ERR2_REG_FW_RESTART             0x0
 435 #define SLIPORT_ERR2_REG_FUNC_PROVISON          0x1
 436 #define SLIPORT_ERR2_REG_FORCED_DUMP            0x2
 437 #define SLIPORT_ERR2_REG_FAILURE_EQ             0x3
 438 #define SLIPORT_ERR2_REG_FAILURE_CQ             0x4
 439 #define SLIPORT_ERR2_REG_FAILURE_BUS            0x5
 440 #define SLIPORT_ERR2_REG_FAILURE_RQ             0x6
 441                 } if_type2;
 442         } u;
 443
 444         /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
 445         void __iomem *PSMPHRregaddr;
 446
 447         /* Well-known SLI INTF register memory map. */
 448         void __iomem *SLIINTFregaddr;
 449
 450         /* IF type 0, BAR 1 function CSR register memory map */
 451         void __iomem *ISRregaddr;       /* HST_ISR register */
 452         void __iomem *IMRregaddr;       /* HST_IMR register */
 453         void __iomem *ISCRregaddr;      /* HST_ISCR register */
 454         /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
 455         void __iomem *RQDBregaddr;      /* RQ_DOORBELL register */
 456         void __iomem *WQDBregaddr;      /* WQ_DOORBELL register */
 457         void __iomem *EQCQDBregaddr;    /* EQCQ_DOORBELL register */
 458         void __iomem *MQDBregaddr;      /* MQ_DOORBELL register */
 459         void __iomem *BMBXregaddr;      /* BootStrap MBX register */
 460
 461         uint32_t ue_mask_lo;
 462         uint32_t ue_mask_hi;
 463         struct lpfc_register sli_intf;
 464         struct lpfc_pc_sli4_params pc_sli4_params;
 465         struct msix_entry *msix_entries;
 466         uint32_t cfg_eqn;
 467         uint32_t msix_vec_nr;
 468         struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
 469         /* Pointers to the constructed SLI4 queues */
 470         struct lpfc_queue **fp_eq; /* Fast-path event queue */
 471         struct lpfc_queue *sp_eq;  /* Slow-path event queue */
 472         struct lpfc_queue **fcp_wq;/* Fast-path FCP work queue */
 473         struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
 474         struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
 475         struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
 476         struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
 477         struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */
 478         struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
 479         struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
 480
 481         /* Setup information for various queue parameters */
 482         int eq_esize;
 483         int eq_ecount;
 484         int cq_esize;
 485         int cq_ecount;
 486         int wq_esize;
 487         int wq_ecount;
 488         int mq_esize;
 489         int mq_ecount;
 490         int rq_esize;
 491         int rq_ecount;
 492 #define LPFC_SP_EQ_MAX_INTR_SEC         10000
 493 #define LPFC_FP_EQ_MAX_INTR_SEC         10000
 494
 495         uint32_t intr_enable;
 496         struct lpfc_bmbx bmbx;
 497         struct lpfc_max_cfg_param max_cfg_param;
 498         uint16_t extents_in_use; /* must allocate resource extents. */
 499         uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
 500         uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
 501         uint16_t next_rpi;
 502         uint16_t scsi_xri_max;
 503         uint16_t scsi_xri_cnt;
 504         uint16_t els_xri_cnt;
 505         uint16_t scsi_xri_start;
 506         struct list_head lpfc_free_sgl_list;
 507         struct list_head lpfc_sgl_list;
 508         struct list_head lpfc_abts_els_sgl_list;
 509         struct list_head lpfc_abts_scsi_buf_list;
 510         struct lpfc_sglq **lpfc_sglq_active_list;
 511         struct list_head lpfc_rpi_hdr_list;
 512         unsigned long *rpi_bmask;
 513         uint16_t *rpi_ids;
 514         uint16_t rpi_count;
 515         struct list_head lpfc_rpi_blk_list;
 516         unsigned long *xri_bmask;
 517         uint16_t *xri_ids;
 518         struct list_head lpfc_xri_blk_list;
 519         unsigned long *vfi_bmask;
 520         uint16_t *vfi_ids;
 521         uint16_t vfi_count;
 522         struct list_head lpfc_vfi_blk_list;
 523         struct lpfc_sli4_flags sli4_flags;
 524         struct list_head sp_queue_event;
 525         struct list_head sp_cqe_event_pool;
 526         struct list_head sp_asynce_work_queue;
 527         struct list_head sp_fcp_xri_aborted_work_queue;
 528         struct list_head sp_els_xri_aborted_work_queue;
 529         struct list_head sp_unsol_work_queue;
 530         struct lpfc_sli4_link link_state;
 531         struct lpfc_sli4_lnk_info lnk_info;
 532         uint32_t pport_name_sta;
 533 #define LPFC_SLI4_PPNAME_NON    0
 534 #define LPFC_SLI4_PPNAME_GET    1
 535         struct lpfc_iov iov;
 536         spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
 537         spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */
 538 };
 539
 540 enum lpfc_sge_type {
 541         GEN_BUFF_TYPE,
 542         SCSI_BUFF_TYPE
 543 };
 544
 545 enum lpfc_sgl_state {
 546         SGL_FREED,
 547         SGL_ALLOCATED,
 548         SGL_XRI_ABORTED
 549 };
 550
 551 struct lpfc_sglq {
 552         /* lpfc_sglqs are used in double linked lists */
 553         struct list_head list;
 554         struct list_head clist;
 555         enum lpfc_sge_type buff_type; /* is this a scsi sgl */
 556         enum lpfc_sgl_state state;
 557         struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
 558         uint16_t iotag;         /* pre-assigned IO tag */
 559         uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
 560         uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
 561         struct sli4_sge *sgl;   /* pre-assigned SGL */
 562         void *virt;             /* virtual address. */
 563         dma_addr_t phys;        /* physical address */
 564 };
 565
 566 struct lpfc_rpi_hdr {
 567         struct list_head list;
 568         uint32_t len;
 569         struct lpfc_dmabuf *dmabuf;
 570         uint32_t page_count;
 571         uint32_t start_rpi;
 572 };
 573
 574 struct lpfc_rsrc_blks {
 575         struct list_head list;
 576         uint16_t rsrc_start;
 577         uint16_t rsrc_size;
 578         uint16_t rsrc_used;
 579 };
 580
 581 /*
 582  * SLI4 specific function prototypes
 583  */
 584 int lpfc_pci_function_reset(struct lpfc_hba *);
 585 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
 586 int lpfc_sli4_hba_setup(struct lpfc_hba *);
 587 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
 588                      uint8_t, uint32_t, bool);
 589 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
 590 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
 591 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
 592                            struct lpfc_mbx_sge *);
 593 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
 594                                uint16_t);
 595
 596 void lpfc_sli4_hba_reset(struct lpfc_hba *);
 597 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
 598                         uint32_t);
 599 void lpfc_sli4_queue_free(struct lpfc_queue *);
 600 uint32_t lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint16_t);
 601 uint32_t lpfc_modify_fcp_eq_delay(struct lpfc_hba *, uint16_t);
 602 uint32_t lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
 603                         struct lpfc_queue *, uint32_t, uint32_t);
 604 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
 605                        struct lpfc_queue *, uint32_t);
 606 uint32_t lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
 607                         struct lpfc_queue *, uint32_t);
 608 uint32_t lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
 609                         struct lpfc_queue *, struct lpfc_queue *, uint32_t);
 610 void lpfc_rq_adjust_repost(struct lpfc_hba *, struct lpfc_queue *, int);
 611 uint32_t lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 612 uint32_t lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 613 uint32_t lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 614 uint32_t lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 615 uint32_t lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
 616                          struct lpfc_queue *);
 617 int lpfc_sli4_queue_setup(struct lpfc_hba *);
 618 void lpfc_sli4_queue_unset(struct lpfc_hba *);
 619 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
 620 int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
 621 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
 622 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
 623 int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
 624 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 625 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 626 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
 627 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
 628 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
 629 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
 630 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
 631 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
 632 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
 633 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
 634 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
 635 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
 636 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
 637 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
 638 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
 639                         void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
 640 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
 641 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
 642 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
 643                                struct sli4_wcqe_xri_aborted *);
 644 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
 645                                struct sli4_wcqe_xri_aborted *);
 646 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
 647 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
 648 int lpfc_sli4_brdreset(struct lpfc_hba *);
 649 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
 650 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
 651 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
 652 int lpfc_sli4_init_vpi(struct lpfc_vport *);
 653 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
 654 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
 655 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
 656 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
 657 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
 658 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
 659 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 660 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 661 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 662 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
 663 int lpfc_sli4_post_status_check(struct lpfc_hba *);
 664 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
 665 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);