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_GET_QE_REL_INT                     32
  27 #define LPFC_RPI_LOW_WATER_MARK                 10
  28
  29 #define LPFC_UNREG_FCF                          1
  30 #define LPFC_SKIP_UNREG_FCF                     0
  31
  32 /* Amount of time in seconds for waiting FCF rediscovery to complete */
  33 #define LPFC_FCF_REDISCOVER_WAIT_TMO            2000 /* msec */
  34
  35 /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
  36 #define LPFC_NEMBED_MBOX_SGL_CNT                254
  37
  38 /* Multi-queue arrangement for fast-path FCP work queues */
  39 #define LPFC_FN_EQN_MAX       8
  40 #define LPFC_SP_EQN_DEF       1
  41 #define LPFC_FP_EQN_DEF       4
  42 #define LPFC_FP_EQN_MIN       1
  43 #define LPFC_FP_EQN_MAX       (LPFC_FN_EQN_MAX - LPFC_SP_EQN_DEF)
  44
  45 #define LPFC_FN_WQN_MAX       32
  46 #define LPFC_SP_WQN_DEF       1
  47 #define LPFC_FP_WQN_DEF       4
  48 #define LPFC_FP_WQN_MIN       1
  49 #define LPFC_FP_WQN_MAX       (LPFC_FN_WQN_MAX - LPFC_SP_WQN_DEF)
  50
  51 /*
  52  * Provide the default FCF Record attributes used by the driver
  53  * when nonFIP mode is configured and there is no other default
  54  * FCF Record attributes.
  55  */
  56 #define LPFC_FCOE_FCF_DEF_INDEX 0
  57 #define LPFC_FCOE_FCF_GET_FIRST 0xFFFF
  58 #define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF
  59
  60 #define LPFC_FCOE_NULL_VID      0xFFF
  61 #define LPFC_FCOE_IGNORE_VID    0xFFFF
  62
  63 /* First 3 bytes of default FCF MAC is specified by FC_MAP */
  64 #define LPFC_FCOE_FCF_MAC3      0xFF
  65 #define LPFC_FCOE_FCF_MAC4      0xFF
  66 #define LPFC_FCOE_FCF_MAC5      0xFE
  67 #define LPFC_FCOE_FCF_MAP0      0x0E
  68 #define LPFC_FCOE_FCF_MAP1      0xFC
  69 #define LPFC_FCOE_FCF_MAP2      0x00
  70 #define LPFC_FCOE_MAX_RCV_SIZE  0x800
  71 #define LPFC_FCOE_FKA_ADV_PER   0
  72 #define LPFC_FCOE_FIP_PRIORITY  0x80
  73
  74 #define sli4_sid_from_fc_hdr(fc_hdr)  \
  75         ((fc_hdr)->fh_s_id[0] << 16 | \
  76          (fc_hdr)->fh_s_id[1] <<  8 | \
  77          (fc_hdr)->fh_s_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 LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
  85
  86 enum lpfc_sli4_queue_type {
  87         LPFC_EQ,
  88         LPFC_GCQ,
  89         LPFC_MCQ,
  90         LPFC_WCQ,
  91         LPFC_RCQ,
  92         LPFC_MQ,
  93         LPFC_WQ,
  94         LPFC_HRQ,
  95         LPFC_DRQ
  96 };
  97
  98 /* The queue sub-type defines the functional purpose of the queue */
  99 enum lpfc_sli4_queue_subtype {
 100         LPFC_NONE,
 101         LPFC_MBOX,
 102         LPFC_FCP,
 103         LPFC_ELS,
 104         LPFC_USOL
 105 };
 106
 107 union sli4_qe {
 108         void *address;
 109         struct lpfc_eqe *eqe;
 110         struct lpfc_cqe *cqe;
 111         struct lpfc_mcqe *mcqe;
 112         struct lpfc_wcqe_complete *wcqe_complete;
 113         struct lpfc_wcqe_release *wcqe_release;
 114         struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
 115         struct lpfc_rcqe_complete *rcqe_complete;
 116         struct lpfc_mqe *mqe;
 117         union  lpfc_wqe *wqe;
 118         struct lpfc_rqe *rqe;
 119 };
 120
 121 struct lpfc_queue {
 122         struct list_head list;
 123         enum lpfc_sli4_queue_type type;
 124         enum lpfc_sli4_queue_subtype subtype;
 125         struct lpfc_hba *phba;
 126         struct list_head child_list;
 127         uint32_t entry_count;   /* Number of entries to support on the queue */
 128         uint32_t entry_size;    /* Size of each queue entry. */
 129         uint32_t queue_id;      /* Queue ID assigned by the hardware */
 130         uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
 131         struct list_head page_list;
 132         uint32_t page_count;    /* Number of pages allocated for this queue */
 133         uint32_t host_index;    /* The host's index for putting or getting */
 134         uint32_t hba_index;     /* The last known hba index for get or put */
 135         union sli4_qe qe[1];    /* array to index entries (must be last) */
 136 };
 137
 138 struct lpfc_sli4_link {
 139         uint8_t speed;
 140         uint8_t duplex;
 141         uint8_t status;
 142         uint8_t type;
 143         uint8_t number;
 144         uint8_t fault;
 145         uint16_t logical_speed;
 146         uint16_t topology;
 147 };
 148
 149 struct lpfc_fcf_rec {
 150         uint8_t  fabric_name[8];
 151         uint8_t  switch_name[8];
 152         uint8_t  mac_addr[6];
 153         uint16_t fcf_indx;
 154         uint32_t priority;
 155         uint16_t vlan_id;
 156         uint32_t addr_mode;
 157         uint32_t flag;
 158 #define BOOT_ENABLE     0x01
 159 #define RECORD_VALID    0x02
 160 };
 161
 162 struct lpfc_fcf_pri_rec {
 163         uint16_t fcf_index;
 164 #define LPFC_FCF_ON_PRI_LIST 0x0001
 165 #define LPFC_FCF_FLOGI_FAILED 0x0002
 166         uint16_t flag;
 167         uint32_t priority;
 168 };
 169
 170 struct lpfc_fcf_pri {
 171         struct list_head list;
 172         struct lpfc_fcf_pri_rec fcf_rec;
 173 };
 174
 175 /*
 176  * Maximum FCF table index, it is for driver internal book keeping, it
 177  * just needs to be no less than the supported HBA's FCF table size.
 178  */
 179 #define LPFC_SLI4_FCF_TBL_INDX_MAX      32
 180
 181 struct lpfc_fcf {
 182         uint16_t fcfi;
 183         uint32_t fcf_flag;
 184 #define FCF_AVAILABLE   0x01 /* FCF available for discovery */
 185 #define FCF_REGISTERED  0x02 /* FCF registered with FW */
 186 #define FCF_SCAN_DONE   0x04 /* FCF table scan done */
 187 #define FCF_IN_USE      0x08 /* Atleast one discovery completed */
 188 #define FCF_INIT_DISC   0x10 /* Initial FCF discovery */
 189 #define FCF_DEAD_DISC   0x20 /* FCF DEAD fast FCF failover discovery */
 190 #define FCF_ACVL_DISC   0x40 /* All CVL fast FCF failover discovery */
 191 #define FCF_DISCOVERY   (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
 192 #define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
 193 #define FCF_REDISC_EVT  0x100 /* FCF rediscovery event to worker thread */
 194 #define FCF_REDISC_FOV  0x200 /* Post FCF rediscovery fast failover */
 195 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
 196         uint32_t addr_mode;
 197         uint32_t eligible_fcf_cnt;
 198         struct lpfc_fcf_rec current_rec;
 199         struct lpfc_fcf_rec failover_rec;
 200         struct list_head fcf_pri_list;
 201         struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
 202         uint32_t current_fcf_scan_pri;
 203         struct timer_list redisc_wait;
 204         unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
 205 };
 206
 207
 208 #define LPFC_REGION23_SIGNATURE "RG23"
 209 #define LPFC_REGION23_VERSION   1
 210 #define LPFC_REGION23_LAST_REC  0xff
 211 #define DRIVER_SPECIFIC_TYPE    0xA2
 212 #define LINUX_DRIVER_ID         0x20
 213 #define PORT_STE_TYPE           0x1
 214
 215 struct lpfc_fip_param_hdr {
 216         uint8_t type;
 217 #define FCOE_PARAM_TYPE         0xA0
 218         uint8_t length;
 219 #define FCOE_PARAM_LENGTH       2
 220         uint8_t parm_version;
 221 #define FIPP_VERSION            0x01
 222         uint8_t parm_flags;
 223 #define lpfc_fip_param_hdr_fipp_mode_SHIFT      6
 224 #define lpfc_fip_param_hdr_fipp_mode_MASK       0x3
 225 #define lpfc_fip_param_hdr_fipp_mode_WORD       parm_flags
 226 #define FIPP_MODE_ON                            0x1
 227 #define FIPP_MODE_OFF                           0x0
 228 #define FIPP_VLAN_VALID                         0x1
 229 };
 230
 231 struct lpfc_fcoe_params {
 232         uint8_t fc_map[3];
 233         uint8_t reserved1;
 234         uint16_t vlan_tag;
 235         uint8_t reserved[2];
 236 };
 237
 238 struct lpfc_fcf_conn_hdr {
 239         uint8_t type;
 240 #define FCOE_CONN_TBL_TYPE              0xA1
 241         uint8_t length;   /* words */
 242         uint8_t reserved[2];
 243 };
 244
 245 struct lpfc_fcf_conn_rec {
 246         uint16_t flags;
 247 #define FCFCNCT_VALID           0x0001
 248 #define FCFCNCT_BOOT            0x0002
 249 #define FCFCNCT_PRIMARY         0x0004   /* if not set, Secondary */
 250 #define FCFCNCT_FBNM_VALID      0x0008
 251 #define FCFCNCT_SWNM_VALID      0x0010
 252 #define FCFCNCT_VLAN_VALID      0x0020
 253 #define FCFCNCT_AM_VALID        0x0040
 254 #define FCFCNCT_AM_PREFERRED    0x0080   /* if not set, AM Required */
 255 #define FCFCNCT_AM_SPMA         0x0100   /* if not set, FPMA */
 256
 257         uint16_t vlan_tag;
 258         uint8_t fabric_name[8];
 259         uint8_t switch_name[8];
 260 };
 261
 262 struct lpfc_fcf_conn_entry {
 263         struct list_head list;
 264         struct lpfc_fcf_conn_rec conn_rec;
 265 };
 266
 267 /*
 268  * Define the host's bootstrap mailbox.  This structure contains
 269  * the member attributes needed to create, use, and destroy the
 270  * bootstrap mailbox region.
 271  *
 272  * The macro definitions for the bmbx data structure are defined
 273  * in lpfc_hw4.h with the register definition.
 274  */
 275 struct lpfc_bmbx {
 276         struct lpfc_dmabuf *dmabuf;
 277         struct dma_address dma_address;
 278         void *avirt;
 279         dma_addr_t aphys;
 280         uint32_t bmbx_size;
 281 };
 282
 283 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
 284
 285 #define LPFC_EQE_SIZE_4B        4
 286 #define LPFC_EQE_SIZE_16B       16
 287 #define LPFC_CQE_SIZE           16
 288 #define LPFC_WQE_SIZE           64
 289 #define LPFC_MQE_SIZE           256
 290 #define LPFC_RQE_SIZE           8
 291
 292 #define LPFC_EQE_DEF_COUNT      1024
 293 #define LPFC_CQE_DEF_COUNT      256
 294 #define LPFC_WQE_DEF_COUNT      256
 295 #define LPFC_MQE_DEF_COUNT      16
 296 #define LPFC_RQE_DEF_COUNT      512
 297
 298 #define LPFC_QUEUE_NOARM        false
 299 #define LPFC_QUEUE_REARM        true
 300
 301
 302 /*
 303  * SLI4 CT field defines
 304  */
 305 #define SLI4_CT_RPI 0
 306 #define SLI4_CT_VPI 1
 307 #define SLI4_CT_VFI 2
 308 #define SLI4_CT_FCFI 3
 309
 310 #define LPFC_SLI4_FL1_MAX_SEGMENT_SIZE  0x10000
 311 #define LPFC_SLI4_FL1_MAX_BUF_SIZE      0X2000
 312 #define LPFC_SLI4_MIN_BUF_SIZE          0x400
 313 #define LPFC_SLI4_MAX_BUF_SIZE          0x20000
 314
 315 /*
 316  * SLI4 specific data structures
 317  */
 318 struct lpfc_max_cfg_param {
 319         uint16_t max_xri;
 320         uint16_t xri_base;
 321         uint16_t xri_used;
 322         uint16_t max_rpi;
 323         uint16_t rpi_base;
 324         uint16_t rpi_used;
 325         uint16_t max_vpi;
 326         uint16_t vpi_base;
 327         uint16_t vpi_used;
 328         uint16_t max_vfi;
 329         uint16_t vfi_base;
 330         uint16_t vfi_used;
 331         uint16_t max_fcfi;
 332         uint16_t fcfi_used;
 333         uint16_t max_eq;
 334         uint16_t max_rq;
 335         uint16_t max_cq;
 336         uint16_t max_wq;
 337 };
 338
 339 struct lpfc_hba;
 340 /* SLI4 HBA multi-fcp queue handler struct */
 341 struct lpfc_fcp_eq_hdl {
 342         uint32_t idx;
 343         struct lpfc_hba *phba;
 344 };
 345
 346 /* Port Capabilities for SLI4 Parameters */
 347 struct lpfc_pc_sli4_params {
 348         uint32_t supported;
 349         uint32_t if_type;
 350         uint32_t sli_rev;
 351         uint32_t sli_family;
 352         uint32_t featurelevel_1;
 353         uint32_t featurelevel_2;
 354         uint32_t proto_types;
 355 #define LPFC_SLI4_PROTO_FCOE    0x0000001
 356 #define LPFC_SLI4_PROTO_FC      0x0000002
 357 #define LPFC_SLI4_PROTO_NIC     0x0000004
 358 #define LPFC_SLI4_PROTO_ISCSI   0x0000008
 359 #define LPFC_SLI4_PROTO_RDMA    0x0000010
 360         uint32_t sge_supp_len;
 361         uint32_t if_page_sz;
 362         uint32_t rq_db_window;
 363         uint32_t loopbk_scope;
 364         uint32_t eq_pages_max;
 365         uint32_t eqe_size;
 366         uint32_t cq_pages_max;
 367         uint32_t cqe_size;
 368         uint32_t mq_pages_max;
 369         uint32_t mqe_size;
 370         uint32_t mq_elem_cnt;
 371         uint32_t wq_pages_max;
 372         uint32_t wqe_size;
 373         uint32_t rq_pages_max;
 374         uint32_t rqe_size;
 375         uint32_t hdr_pages_max;
 376         uint32_t hdr_size;
 377         uint32_t hdr_pp_align;
 378         uint32_t sgl_pages_max;
 379         uint32_t sgl_pp_align;
 380         uint8_t cqv;
 381         uint8_t mqv;
 382         uint8_t wqv;
 383         uint8_t rqv;
 384 };
 385
 386 struct lpfc_iov {
 387         uint32_t pf_number;
 388         uint32_t vf_number;
 389 };
 390
 391 /* SLI4 HBA data structure entries */
 392 struct lpfc_sli4_hba {
 393         void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
 394                                              PCI BAR0, config space registers */
 395         void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
 396                                              PCI BAR1, control registers */
 397         void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
 398                                              PCI BAR2, doorbell registers */
 399         union {
 400                 struct {
 401                         /* IF Type 0, BAR 0 PCI cfg space reg mem map */
 402                         void __iomem *UERRLOregaddr;
 403                         void __iomem *UERRHIregaddr;
 404                         void __iomem *UEMASKLOregaddr;
 405                         void __iomem *UEMASKHIregaddr;
 406                 } if_type0;
 407                 struct {
 408                         /* IF Type 2, BAR 0 PCI cfg space reg mem map. */
 409                         void __iomem *STATUSregaddr;
 410                         void __iomem *CTRLregaddr;
 411                         void __iomem *ERR1regaddr;
 412                         void __iomem *ERR2regaddr;
 413                 } if_type2;
 414         } u;
 415
 416         /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
 417         void __iomem *PSMPHRregaddr;
 418
 419         /* Well-known SLI INTF register memory map. */
 420         void __iomem *SLIINTFregaddr;
 421
 422         /* IF type 0, BAR 1 function CSR register memory map */
 423         void __iomem *ISRregaddr;       /* HST_ISR register */
 424         void __iomem *IMRregaddr;       /* HST_IMR register */
 425         void __iomem *ISCRregaddr;      /* HST_ISCR register */
 426         /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
 427         void __iomem *RQDBregaddr;      /* RQ_DOORBELL register */
 428         void __iomem *WQDBregaddr;      /* WQ_DOORBELL register */
 429         void __iomem *EQCQDBregaddr;    /* EQCQ_DOORBELL register */
 430         void __iomem *MQDBregaddr;      /* MQ_DOORBELL register */
 431         void __iomem *BMBXregaddr;      /* BootStrap MBX register */
 432
 433         uint32_t ue_mask_lo;
 434         uint32_t ue_mask_hi;
 435         struct lpfc_register sli_intf;
 436         struct lpfc_pc_sli4_params pc_sli4_params;
 437         struct msix_entry *msix_entries;
 438         uint32_t cfg_eqn;
 439         uint32_t msix_vec_nr;
 440         struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
 441         /* Pointers to the constructed SLI4 queues */
 442         struct lpfc_queue **fp_eq; /* Fast-path event queue */
 443         struct lpfc_queue *sp_eq;  /* Slow-path event queue */
 444         struct lpfc_queue **fcp_wq;/* Fast-path FCP work queue */
 445         struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
 446         struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
 447         struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
 448         struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
 449         struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */
 450         struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
 451         struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
 452
 453         /* Setup information for various queue parameters */
 454         int eq_esize;
 455         int eq_ecount;
 456         int cq_esize;
 457         int cq_ecount;
 458         int wq_esize;
 459         int wq_ecount;
 460         int mq_esize;
 461         int mq_ecount;
 462         int rq_esize;
 463         int rq_ecount;
 464 #define LPFC_SP_EQ_MAX_INTR_SEC         10000
 465 #define LPFC_FP_EQ_MAX_INTR_SEC         10000
 466
 467         uint32_t intr_enable;
 468         struct lpfc_bmbx bmbx;
 469         struct lpfc_max_cfg_param max_cfg_param;
 470         uint16_t extents_in_use; /* must allocate resource extents. */
 471         uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
 472         uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
 473         uint16_t next_rpi;
 474         uint16_t scsi_xri_max;
 475         uint16_t scsi_xri_cnt;
 476         uint16_t scsi_xri_start;
 477         struct list_head lpfc_free_sgl_list;
 478         struct list_head lpfc_sgl_list;
 479         struct lpfc_sglq **lpfc_els_sgl_array;
 480         struct list_head lpfc_abts_els_sgl_list;
 481         struct lpfc_scsi_buf **lpfc_scsi_psb_array;
 482         struct list_head lpfc_abts_scsi_buf_list;
 483         uint32_t total_sglq_bufs;
 484         struct lpfc_sglq **lpfc_sglq_active_list;
 485         struct list_head lpfc_rpi_hdr_list;
 486         unsigned long *rpi_bmask;
 487         uint16_t *rpi_ids;
 488         uint16_t rpi_count;
 489         struct list_head lpfc_rpi_blk_list;
 490         unsigned long *xri_bmask;
 491         uint16_t *xri_ids;
 492         uint16_t xri_count;
 493         struct list_head lpfc_xri_blk_list;
 494         unsigned long *vfi_bmask;
 495         uint16_t *vfi_ids;
 496         uint16_t vfi_count;
 497         struct list_head lpfc_vfi_blk_list;
 498         struct lpfc_sli4_flags sli4_flags;
 499         struct list_head sp_queue_event;
 500         struct list_head sp_cqe_event_pool;
 501         struct list_head sp_asynce_work_queue;
 502         struct list_head sp_fcp_xri_aborted_work_queue;
 503         struct list_head sp_els_xri_aborted_work_queue;
 504         struct list_head sp_unsol_work_queue;
 505         struct lpfc_sli4_link link_state;
 506         struct lpfc_iov iov;
 507         spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
 508         spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */
 509 };
 510
 511 enum lpfc_sge_type {
 512         GEN_BUFF_TYPE,
 513         SCSI_BUFF_TYPE
 514 };
 515
 516 enum lpfc_sgl_state {
 517         SGL_FREED,
 518         SGL_ALLOCATED,
 519         SGL_XRI_ABORTED
 520 };
 521
 522 struct lpfc_sglq {
 523         /* lpfc_sglqs are used in double linked lists */
 524         struct list_head list;
 525         struct list_head clist;
 526         enum lpfc_sge_type buff_type; /* is this a scsi sgl */
 527         enum lpfc_sgl_state state;
 528         struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
 529         uint16_t iotag;         /* pre-assigned IO tag */
 530         uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
 531         uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
 532         struct sli4_sge *sgl;   /* pre-assigned SGL */
 533         void *virt;             /* virtual address. */
 534         dma_addr_t phys;        /* physical address */
 535 };
 536
 537 struct lpfc_rpi_hdr {
 538         struct list_head list;
 539         uint32_t len;
 540         struct lpfc_dmabuf *dmabuf;
 541         uint32_t page_count;
 542         uint32_t start_rpi;
 543 };
 544
 545 struct lpfc_rsrc_blks {
 546         struct list_head list;
 547         uint16_t rsrc_start;
 548         uint16_t rsrc_size;
 549         uint16_t rsrc_used;
 550 };
 551
 552 /*
 553  * SLI4 specific function prototypes
 554  */
 555 int lpfc_pci_function_reset(struct lpfc_hba *);
 556 int lpfc_sli4_hba_setup(struct lpfc_hba *);
 557 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
 558                      uint8_t, uint32_t, bool);
 559 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
 560 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
 561 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
 562                            struct lpfc_mbx_sge *);
 563 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
 564                                uint16_t);
 565
 566 void lpfc_sli4_hba_reset(struct lpfc_hba *);
 567 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
 568                         uint32_t);
 569 void lpfc_sli4_queue_free(struct lpfc_queue *);
 570 uint32_t lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint16_t);
 571 uint32_t lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
 572                         struct lpfc_queue *, uint32_t, uint32_t);
 573 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
 574                        struct lpfc_queue *, uint32_t);
 575 uint32_t lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
 576                         struct lpfc_queue *, uint32_t);
 577 uint32_t lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
 578                         struct lpfc_queue *, struct lpfc_queue *, uint32_t);
 579 uint32_t lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 580 uint32_t lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 581 uint32_t lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 582 uint32_t lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 583 uint32_t lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
 584                          struct lpfc_queue *);
 585 int lpfc_sli4_queue_setup(struct lpfc_hba *);
 586 void lpfc_sli4_queue_unset(struct lpfc_hba *);
 587 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
 588 int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
 589 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
 590 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
 591 int lpfc_sli4_post_els_sgl_list(struct lpfc_hba *phba);
 592 int lpfc_sli4_post_els_sgl_list_ext(struct lpfc_hba *phba);
 593 int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
 594 int lpfc_sli4_post_scsi_sgl_blk_ext(struct lpfc_hba *, struct list_head *,
 595                                     int);
 596 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 597 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 598 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
 599 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
 600 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
 601 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
 602 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
 603 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
 604 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
 605 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
 606 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
 607 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
 608 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
 609 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
 610 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *);
 611 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
 612 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
 613 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
 614                                struct sli4_wcqe_xri_aborted *);
 615 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
 616                                struct sli4_wcqe_xri_aborted *);
 617 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
 618 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
 619 int lpfc_sli4_brdreset(struct lpfc_hba *);
 620 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
 621 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
 622 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
 623 int lpfc_sli4_init_vpi(struct lpfc_vport *);
 624 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
 625 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
 626 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
 627 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
 628 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
 629 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
 630 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 631 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 632 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 633 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
 634 int lpfc_sli4_post_status_check(struct lpfc_hba *);
 635 uint8_t lpfc_sli4_mbox_opcode_get(struct lpfc_hba *, struct lpfcMboxq *);
 636