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