LXR linux/drivers/scsi/lpfc/lpfc

   1/*******************************************************************
   2 * This file is part of the Emulex Linux Device Driver for         *
   3 * Fibre Channel Host Bus Adapters.                                *
   4 * Copyright (C) 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
  93enum 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 */
 106enum lpfc_sli4_queue_subtype {
 107        LPFC_NONE,
 108        LPFC_MBOX,
 109        LPFC_FCP,
 110        LPFC_ELS,
 111        LPFC_USOL
 112};
 113
 114union 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
 128struct 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
 147struct 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
 158struct 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
 171struct 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
 179struct 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
 190struct 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
 224struct 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
 240struct 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
 247struct 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
 254struct 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
 271struct 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 */
 284struct 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 */
 327struct 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
 348struct lpfc_hba;
 349/* SLI4 HBA multi-fcp queue handler struct */
 350struct lpfc_fcp_eq_hdl {
 351        uint32_t idx;
 352        struct lpfc_hba *phba;
 353};
 354
 355/* Port Capabilities for SLI4 Parameters */
 356struct 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
 395struct lpfc_iov {
 396        uint32_t pf_number;
 397        uint32_t vf_number;
 398};
 399
 400struct 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 */
 411struct 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
 540enum lpfc_sge_type {
 541        GEN_BUFF_TYPE,
 542        SCSI_BUFF_TYPE
 543};
 544
 545enum lpfc_sgl_state {
 546        SGL_FREED,
 547        SGL_ALLOCATED,
 548        SGL_XRI_ABORTED
 549};
 550
 551struct 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
 566struct 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
 574struct 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 */
 584int lpfc_pci_function_reset(struct lpfc_hba *);
 585int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
 586int lpfc_sli4_hba_setup(struct lpfc_hba *);
 587int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
 588                     uint8_t, uint32_t, bool);
 589void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
 590void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
 591void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
 592                           struct lpfc_mbx_sge *);
 593int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
 594                               uint16_t);
 595
 596void lpfc_sli4_hba_reset(struct lpfc_hba *);
 597struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
 598                        uint32_t);
 599void lpfc_sli4_queue_free(struct lpfc_queue *);
 600uint32_t lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint16_t);
 601uint32_t lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
 602                        struct lpfc_queue *, uint32_t, uint32_t);
 603int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
 604                       struct lpfc_queue *, uint32_t);
 605uint32_t lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
 606                        struct lpfc_queue *, uint32_t);
 607uint32_t lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
 608                        struct lpfc_queue *, struct lpfc_queue *, uint32_t);
 609void lpfc_rq_adjust_repost(struct lpfc_hba *, struct lpfc_queue *, int);
 610uint32_t lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 611uint32_t lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 612uint32_t lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 613uint32_t lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 614uint32_t lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
 615                         struct lpfc_queue *);
 616int lpfc_sli4_queue_setup(struct lpfc_hba *);
 617void lpfc_sli4_queue_unset(struct lpfc_hba *);
 618int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
 619int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
 620uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
 621int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
 622int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
 623struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 624struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 625void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
 626void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
 627int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
 628int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
 629int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
 630struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
 631void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
 632int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
 633void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
 634void lpfc_sli4_remove_rpis(struct lpfc_hba *);
 635void lpfc_sli4_async_event_proc(struct lpfc_hba *);
 636void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
 637int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
 638                        void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
 639void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
 640void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
 641void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
 642                               struct sli4_wcqe_xri_aborted *);
 643void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
 644                               struct sli4_wcqe_xri_aborted *);
 645void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
 646void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
 647int lpfc_sli4_brdreset(struct lpfc_hba *);
 648int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
 649void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
 650int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
 651int lpfc_sli4_init_vpi(struct lpfc_vport *);
 652uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
 653uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
 654void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
 655int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
 656int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
 657int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
 658void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 659void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 660void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 661int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
 662int lpfc_sli4_post_status_check(struct lpfc_hba *);
 663uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
 664uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
 665