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) 2017 Broadcom. All Rights Reserved. The term      *
   5  * “Broadcom” refers to Broadcom Limited and/or its subsidiaries.  *
   6  * Copyright (C) 2009-2016 Emulex.  All rights reserved.           *
   7  * EMULEX and SLI are trademarks of Emulex.                        *
   8  * www.broadcom.com                                                *
   9  *                                                                 *
  10  * This program is free software; you can redistribute it and/or   *
  11  * modify it under the terms of version 2 of the GNU General       *
  12  * Public License as published by the Free Software Foundation.    *
  13  * This program is distributed in the hope that it will be useful. *
  14  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
  15  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
  16  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
  17  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
  18  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
  19  * more details, a copy of which can be found in the file COPYING  *
  20  * included with this package.                                     *
  21  *******************************************************************/
  22
  23 #define LPFC_ACTIVE_MBOX_WAIT_CNT               100
  24 #define LPFC_XRI_EXCH_BUSY_WAIT_TMO             10000
  25 #define LPFC_XRI_EXCH_BUSY_WAIT_T1              10
  26 #define LPFC_XRI_EXCH_BUSY_WAIT_T2              30000
  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 FCP EQ/CQ/WQ tuples */
  39 #define LPFC_HBA_IO_CHAN_MIN    0
  40 #define LPFC_HBA_IO_CHAN_MAX    32
  41 #define LPFC_FCP_IO_CHAN_DEF    4
  42 #define LPFC_NVME_IO_CHAN_DEF   0
  43
  44 /* Number of channels used for Flash Optimized Fabric (FOF) operations */
  45
  46 #define LPFC_FOF_IO_CHAN_NUM       1
  47
  48 /*
  49  * Provide the default FCF Record attributes used by the driver
  50  * when nonFIP mode is configured and there is no other default
  51  * FCF Record attributes.
  52  */
  53 #define LPFC_FCOE_FCF_DEF_INDEX 0
  54 #define LPFC_FCOE_FCF_GET_FIRST 0xFFFF
  55 #define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF
  56
  57 #define LPFC_FCOE_NULL_VID      0xFFF
  58 #define LPFC_FCOE_IGNORE_VID    0xFFFF
  59
  60 /* First 3 bytes of default FCF MAC is specified by FC_MAP */
  61 #define LPFC_FCOE_FCF_MAC3      0xFF
  62 #define LPFC_FCOE_FCF_MAC4      0xFF
  63 #define LPFC_FCOE_FCF_MAC5      0xFE
  64 #define LPFC_FCOE_FCF_MAP0      0x0E
  65 #define LPFC_FCOE_FCF_MAP1      0xFC
  66 #define LPFC_FCOE_FCF_MAP2      0x00
  67 #define LPFC_FCOE_MAX_RCV_SIZE  0x800
  68 #define LPFC_FCOE_FKA_ADV_PER   0
  69 #define LPFC_FCOE_FIP_PRIORITY  0x80
  70
  71 #define sli4_sid_from_fc_hdr(fc_hdr)  \
  72         ((fc_hdr)->fh_s_id[0] << 16 | \
  73          (fc_hdr)->fh_s_id[1] <<  8 | \
  74          (fc_hdr)->fh_s_id[2])
  75
  76 #define sli4_did_from_fc_hdr(fc_hdr)  \
  77         ((fc_hdr)->fh_d_id[0] << 16 | \
  78          (fc_hdr)->fh_d_id[1] <<  8 | \
  79          (fc_hdr)->fh_d_id[2])
  80
  81 #define sli4_fctl_from_fc_hdr(fc_hdr)  \
  82         ((fc_hdr)->fh_f_ctl[0] << 16 | \
  83          (fc_hdr)->fh_f_ctl[1] <<  8 | \
  84          (fc_hdr)->fh_f_ctl[2])
  85
  86 #define sli4_type_from_fc_hdr(fc_hdr)  \
  87         ((fc_hdr)->fh_type)
  88
  89 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
  90
  91 #define INT_FW_UPGRADE  0
  92 #define RUN_FW_UPGRADE  1
  93
  94 enum lpfc_sli4_queue_type {
  95         LPFC_EQ,
  96         LPFC_GCQ,
  97         LPFC_MCQ,
  98         LPFC_WCQ,
  99         LPFC_RCQ,
 100         LPFC_MQ,
 101         LPFC_WQ,
 102         LPFC_HRQ,
 103         LPFC_DRQ
 104 };
 105
 106 /* The queue sub-type defines the functional purpose of the queue */
 107 enum lpfc_sli4_queue_subtype {
 108         LPFC_NONE,
 109         LPFC_MBOX,
 110         LPFC_FCP,
 111         LPFC_ELS,
 112         LPFC_NVME,
 113         LPFC_NVMET,
 114         LPFC_NVME_LS,
 115         LPFC_USOL
 116 };
 117
 118 union sli4_qe {
 119         void *address;
 120         struct lpfc_eqe *eqe;
 121         struct lpfc_cqe *cqe;
 122         struct lpfc_mcqe *mcqe;
 123         struct lpfc_wcqe_complete *wcqe_complete;
 124         struct lpfc_wcqe_release *wcqe_release;
 125         struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
 126         struct lpfc_rcqe_complete *rcqe_complete;
 127         struct lpfc_mqe *mqe;
 128         union  lpfc_wqe *wqe;
 129         union  lpfc_wqe128 *wqe128;
 130         struct lpfc_rqe *rqe;
 131 };
 132
 133 /* RQ buffer list */
 134 struct lpfc_rqb {
 135         uint16_t entry_count;     /* Current number of RQ slots */
 136         uint16_t buffer_count;    /* Current number of buffers posted */
 137         struct list_head rqb_buffer_list;  /* buffers assigned to this HBQ */
 138                                   /* Callback for HBQ buffer allocation */
 139         struct rqb_dmabuf *(*rqb_alloc_buffer)(struct lpfc_hba *);
 140                                   /* Callback for HBQ buffer free */
 141         void               (*rqb_free_buffer)(struct lpfc_hba *,
 142                                                struct rqb_dmabuf *);
 143 };
 144
 145 struct lpfc_queue {
 146         struct list_head list;
 147         struct list_head wq_list;
 148         enum lpfc_sli4_queue_type type;
 149         enum lpfc_sli4_queue_subtype subtype;
 150         struct lpfc_hba *phba;
 151         struct list_head child_list;
 152         struct list_head page_list;
 153         struct list_head sgl_list;
 154         uint32_t entry_count;   /* Number of entries to support on the queue */
 155         uint32_t entry_size;    /* Size of each queue entry. */
 156         uint32_t entry_repost;  /* Count of entries before doorbell is rung */
 157 #define LPFC_EQ_REPOST          8
 158 #define LPFC_MQ_REPOST          8
 159 #define LPFC_CQ_REPOST          64
 160 #define LPFC_RQ_REPOST          64
 161 #define LPFC_RELEASE_NOTIFICATION_INTERVAL      32  /* For WQs */
 162         uint32_t queue_id;      /* Queue ID assigned by the hardware */
 163         uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
 164         uint32_t page_count;    /* Number of pages allocated for this queue */
 165         uint32_t host_index;    /* The host's index for putting or getting */
 166         uint32_t hba_index;     /* The last known hba index for get or put */
 167
 168         struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */
 169         struct lpfc_rqb *rqbp;  /* ptr to RQ buffers */
 170
 171         uint16_t sgl_list_cnt;
 172         uint16_t db_format;
 173 #define LPFC_DB_RING_FORMAT     0x01
 174 #define LPFC_DB_LIST_FORMAT     0x02
 175         void __iomem *db_regaddr;
 176         /* For q stats */
 177         uint32_t q_cnt_1;
 178         uint32_t q_cnt_2;
 179         uint32_t q_cnt_3;
 180         uint64_t q_cnt_4;
 181 /* defines for EQ stats */
 182 #define EQ_max_eqe              q_cnt_1
 183 #define EQ_no_entry             q_cnt_2
 184 #define EQ_badstate             q_cnt_3
 185 #define EQ_processed            q_cnt_4
 186
 187 /* defines for CQ stats */
 188 #define CQ_mbox                 q_cnt_1
 189 #define CQ_max_cqe              q_cnt_1
 190 #define CQ_release_wqe          q_cnt_2
 191 #define CQ_xri_aborted          q_cnt_3
 192 #define CQ_wq                   q_cnt_4
 193
 194 /* defines for WQ stats */
 195 #define WQ_overflow             q_cnt_1
 196 #define WQ_posted               q_cnt_4
 197
 198 /* defines for RQ stats */
 199 #define RQ_no_posted_buf        q_cnt_1
 200 #define RQ_no_buf_found         q_cnt_2
 201 #define RQ_buf_posted           q_cnt_3
 202 #define RQ_rcv_buf              q_cnt_4
 203
 204         uint64_t isr_timestamp;
 205         struct lpfc_queue *assoc_qp;
 206         union sli4_qe qe[1];    /* array to index entries (must be last) */
 207 };
 208
 209 struct lpfc_sli4_link {
 210         uint16_t speed;
 211         uint8_t duplex;
 212         uint8_t status;
 213         uint8_t type;
 214         uint8_t number;
 215         uint8_t fault;
 216         uint16_t logical_speed;
 217         uint16_t topology;
 218 };
 219
 220 struct lpfc_fcf_rec {
 221         uint8_t  fabric_name[8];
 222         uint8_t  switch_name[8];
 223         uint8_t  mac_addr[6];
 224         uint16_t fcf_indx;
 225         uint32_t priority;
 226         uint16_t vlan_id;
 227         uint32_t addr_mode;
 228         uint32_t flag;
 229 #define BOOT_ENABLE     0x01
 230 #define RECORD_VALID    0x02
 231 };
 232
 233 struct lpfc_fcf_pri_rec {
 234         uint16_t fcf_index;
 235 #define LPFC_FCF_ON_PRI_LIST 0x0001
 236 #define LPFC_FCF_FLOGI_FAILED 0x0002
 237         uint16_t flag;
 238         uint32_t priority;
 239 };
 240
 241 struct lpfc_fcf_pri {
 242         struct list_head list;
 243         struct lpfc_fcf_pri_rec fcf_rec;
 244 };
 245
 246 /*
 247  * Maximum FCF table index, it is for driver internal book keeping, it
 248  * just needs to be no less than the supported HBA's FCF table size.
 249  */
 250 #define LPFC_SLI4_FCF_TBL_INDX_MAX      32
 251
 252 struct lpfc_fcf {
 253         uint16_t fcfi;
 254         uint32_t fcf_flag;
 255 #define FCF_AVAILABLE   0x01 /* FCF available for discovery */
 256 #define FCF_REGISTERED  0x02 /* FCF registered with FW */
 257 #define FCF_SCAN_DONE   0x04 /* FCF table scan done */
 258 #define FCF_IN_USE      0x08 /* Atleast one discovery completed */
 259 #define FCF_INIT_DISC   0x10 /* Initial FCF discovery */
 260 #define FCF_DEAD_DISC   0x20 /* FCF DEAD fast FCF failover discovery */
 261 #define FCF_ACVL_DISC   0x40 /* All CVL fast FCF failover discovery */
 262 #define FCF_DISCOVERY   (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
 263 #define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
 264 #define FCF_REDISC_EVT  0x100 /* FCF rediscovery event to worker thread */
 265 #define FCF_REDISC_FOV  0x200 /* Post FCF rediscovery fast failover */
 266 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
 267         uint32_t addr_mode;
 268         uint32_t eligible_fcf_cnt;
 269         struct lpfc_fcf_rec current_rec;
 270         struct lpfc_fcf_rec failover_rec;
 271         struct list_head fcf_pri_list;
 272         struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
 273         uint32_t current_fcf_scan_pri;
 274         struct timer_list redisc_wait;
 275         unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
 276 };
 277
 278
 279 #define LPFC_REGION23_SIGNATURE "RG23"
 280 #define LPFC_REGION23_VERSION   1
 281 #define LPFC_REGION23_LAST_REC  0xff
 282 #define DRIVER_SPECIFIC_TYPE    0xA2
 283 #define LINUX_DRIVER_ID         0x20
 284 #define PORT_STE_TYPE           0x1
 285
 286 struct lpfc_fip_param_hdr {
 287         uint8_t type;
 288 #define FCOE_PARAM_TYPE         0xA0
 289         uint8_t length;
 290 #define FCOE_PARAM_LENGTH       2
 291         uint8_t parm_version;
 292 #define FIPP_VERSION            0x01
 293         uint8_t parm_flags;
 294 #define lpfc_fip_param_hdr_fipp_mode_SHIFT      6
 295 #define lpfc_fip_param_hdr_fipp_mode_MASK       0x3
 296 #define lpfc_fip_param_hdr_fipp_mode_WORD       parm_flags
 297 #define FIPP_MODE_ON                            0x1
 298 #define FIPP_MODE_OFF                           0x0
 299 #define FIPP_VLAN_VALID                         0x1
 300 };
 301
 302 struct lpfc_fcoe_params {
 303         uint8_t fc_map[3];
 304         uint8_t reserved1;
 305         uint16_t vlan_tag;
 306         uint8_t reserved[2];
 307 };
 308
 309 struct lpfc_fcf_conn_hdr {
 310         uint8_t type;
 311 #define FCOE_CONN_TBL_TYPE              0xA1
 312         uint8_t length;   /* words */
 313         uint8_t reserved[2];
 314 };
 315
 316 struct lpfc_fcf_conn_rec {
 317         uint16_t flags;
 318 #define FCFCNCT_VALID           0x0001
 319 #define FCFCNCT_BOOT            0x0002
 320 #define FCFCNCT_PRIMARY         0x0004   /* if not set, Secondary */
 321 #define FCFCNCT_FBNM_VALID      0x0008
 322 #define FCFCNCT_SWNM_VALID      0x0010
 323 #define FCFCNCT_VLAN_VALID      0x0020
 324 #define FCFCNCT_AM_VALID        0x0040
 325 #define FCFCNCT_AM_PREFERRED    0x0080   /* if not set, AM Required */
 326 #define FCFCNCT_AM_SPMA         0x0100   /* if not set, FPMA */
 327
 328         uint16_t vlan_tag;
 329         uint8_t fabric_name[8];
 330         uint8_t switch_name[8];
 331 };
 332
 333 struct lpfc_fcf_conn_entry {
 334         struct list_head list;
 335         struct lpfc_fcf_conn_rec conn_rec;
 336 };
 337
 338 /*
 339  * Define the host's bootstrap mailbox.  This structure contains
 340  * the member attributes needed to create, use, and destroy the
 341  * bootstrap mailbox region.
 342  *
 343  * The macro definitions for the bmbx data structure are defined
 344  * in lpfc_hw4.h with the register definition.
 345  */
 346 struct lpfc_bmbx {
 347         struct lpfc_dmabuf *dmabuf;
 348         struct dma_address dma_address;
 349         void *avirt;
 350         dma_addr_t aphys;
 351         uint32_t bmbx_size;
 352 };
 353
 354 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
 355
 356 #define LPFC_EQE_SIZE_4B        4
 357 #define LPFC_EQE_SIZE_16B       16
 358 #define LPFC_CQE_SIZE           16
 359 #define LPFC_WQE_SIZE           64
 360 #define LPFC_WQE128_SIZE        128
 361 #define LPFC_MQE_SIZE           256
 362 #define LPFC_RQE_SIZE           8
 363
 364 #define LPFC_EQE_DEF_COUNT      1024
 365 #define LPFC_CQE_DEF_COUNT      1024
 366 #define LPFC_WQE_DEF_COUNT      256
 367 #define LPFC_WQE128_DEF_COUNT   128
 368 #define LPFC_WQE128_MAX_COUNT   256
 369 #define LPFC_MQE_DEF_COUNT      16
 370 #define LPFC_RQE_DEF_COUNT      512
 371
 372 #define LPFC_QUEUE_NOARM        false
 373 #define LPFC_QUEUE_REARM        true
 374
 375
 376 /*
 377  * SLI4 CT field defines
 378  */
 379 #define SLI4_CT_RPI 0
 380 #define SLI4_CT_VPI 1
 381 #define SLI4_CT_VFI 2
 382 #define SLI4_CT_FCFI 3
 383
 384 /*
 385  * SLI4 specific data structures
 386  */
 387 struct lpfc_max_cfg_param {
 388         uint16_t max_xri;
 389         uint16_t xri_base;
 390         uint16_t xri_used;
 391         uint16_t max_rpi;
 392         uint16_t rpi_base;
 393         uint16_t rpi_used;
 394         uint16_t max_vpi;
 395         uint16_t vpi_base;
 396         uint16_t vpi_used;
 397         uint16_t max_vfi;
 398         uint16_t vfi_base;
 399         uint16_t vfi_used;
 400         uint16_t max_fcfi;
 401         uint16_t fcfi_used;
 402         uint16_t max_eq;
 403         uint16_t max_rq;
 404         uint16_t max_cq;
 405         uint16_t max_wq;
 406 };
 407
 408 struct lpfc_hba;
 409 /* SLI4 HBA multi-fcp queue handler struct */
 410 struct lpfc_hba_eq_hdl {
 411         uint32_t idx;
 412         struct lpfc_hba *phba;
 413         atomic_t hba_eq_in_use;
 414         struct cpumask *cpumask;
 415         /* CPU affinitsed to or 0xffffffff if multiple */
 416         uint32_t cpu;
 417 #define LPFC_MULTI_CPU_AFFINITY 0xffffffff
 418 };
 419
 420 /* Port Capabilities for SLI4 Parameters */
 421 struct lpfc_pc_sli4_params {
 422         uint32_t supported;
 423         uint32_t if_type;
 424         uint32_t sli_rev;
 425         uint32_t sli_family;
 426         uint32_t featurelevel_1;
 427         uint32_t featurelevel_2;
 428         uint32_t proto_types;
 429 #define LPFC_SLI4_PROTO_FCOE    0x0000001
 430 #define LPFC_SLI4_PROTO_FC      0x0000002
 431 #define LPFC_SLI4_PROTO_NIC     0x0000004
 432 #define LPFC_SLI4_PROTO_ISCSI   0x0000008
 433 #define LPFC_SLI4_PROTO_RDMA    0x0000010
 434         uint32_t sge_supp_len;
 435         uint32_t if_page_sz;
 436         uint32_t rq_db_window;
 437         uint32_t loopbk_scope;
 438         uint32_t oas_supported;
 439         uint32_t eq_pages_max;
 440         uint32_t eqe_size;
 441         uint32_t cq_pages_max;
 442         uint32_t cqe_size;
 443         uint32_t mq_pages_max;
 444         uint32_t mqe_size;
 445         uint32_t mq_elem_cnt;
 446         uint32_t wq_pages_max;
 447         uint32_t wqe_size;
 448         uint32_t rq_pages_max;
 449         uint32_t rqe_size;
 450         uint32_t hdr_pages_max;
 451         uint32_t hdr_size;
 452         uint32_t hdr_pp_align;
 453         uint32_t sgl_pages_max;
 454         uint32_t sgl_pp_align;
 455         uint8_t cqv;
 456         uint8_t mqv;
 457         uint8_t wqv;
 458         uint8_t rqv;
 459         uint8_t wqsize;
 460 #define LPFC_WQ_SZ64_SUPPORT    1
 461 #define LPFC_WQ_SZ128_SUPPORT   2
 462         uint8_t wqpcnt;
 463 };
 464
 465 struct lpfc_iov {
 466         uint32_t pf_number;
 467         uint32_t vf_number;
 468 };
 469
 470 struct lpfc_sli4_lnk_info {
 471         uint8_t lnk_dv;
 472 #define LPFC_LNK_DAT_INVAL      0
 473 #define LPFC_LNK_DAT_VAL        1
 474         uint8_t lnk_tp;
 475 #define LPFC_LNK_GE     0x0 /* FCoE */
 476 #define LPFC_LNK_FC     0x1 /* FC   */
 477         uint8_t lnk_no;
 478         uint8_t optic_state;
 479 };
 480
 481 #define LPFC_SLI4_HANDLER_CNT           (LPFC_HBA_IO_CHAN_MAX+ \
 482                                          LPFC_FOF_IO_CHAN_NUM)
 483 #define LPFC_SLI4_HANDLER_NAME_SZ       16
 484
 485 /* Used for IRQ vector to CPU mapping */
 486 struct lpfc_vector_map_info {
 487         uint16_t        phys_id;
 488         uint16_t        core_id;
 489         uint16_t        irq;
 490         uint16_t        channel_id;
 491 };
 492 #define LPFC_VECTOR_MAP_EMPTY   0xffff
 493
 494 /* SLI4 HBA data structure entries */
 495 struct lpfc_sli4_hba {
 496         void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
 497                                              PCI BAR0, config space registers */
 498         void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
 499                                              PCI BAR1, control registers */
 500         void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
 501                                              PCI BAR2, doorbell registers */
 502         union {
 503                 struct {
 504                         /* IF Type 0, BAR 0 PCI cfg space reg mem map */
 505                         void __iomem *UERRLOregaddr;
 506                         void __iomem *UERRHIregaddr;
 507                         void __iomem *UEMASKLOregaddr;
 508                         void __iomem *UEMASKHIregaddr;
 509                 } if_type0;
 510                 struct {
 511                         /* IF Type 2, BAR 0 PCI cfg space reg mem map. */
 512                         void __iomem *STATUSregaddr;
 513                         void __iomem *CTRLregaddr;
 514                         void __iomem *ERR1regaddr;
 515 #define SLIPORT_ERR1_REG_ERR_CODE_1             0x1
 516 #define SLIPORT_ERR1_REG_ERR_CODE_2             0x2
 517                         void __iomem *ERR2regaddr;
 518 #define SLIPORT_ERR2_REG_FW_RESTART             0x0
 519 #define SLIPORT_ERR2_REG_FUNC_PROVISON          0x1
 520 #define SLIPORT_ERR2_REG_FORCED_DUMP            0x2
 521 #define SLIPORT_ERR2_REG_FAILURE_EQ             0x3
 522 #define SLIPORT_ERR2_REG_FAILURE_CQ             0x4
 523 #define SLIPORT_ERR2_REG_FAILURE_BUS            0x5
 524 #define SLIPORT_ERR2_REG_FAILURE_RQ             0x6
 525                 } if_type2;
 526         } u;
 527
 528         /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
 529         void __iomem *PSMPHRregaddr;
 530
 531         /* Well-known SLI INTF register memory map. */
 532         void __iomem *SLIINTFregaddr;
 533
 534         /* IF type 0, BAR 1 function CSR register memory map */
 535         void __iomem *ISRregaddr;       /* HST_ISR register */
 536         void __iomem *IMRregaddr;       /* HST_IMR register */
 537         void __iomem *ISCRregaddr;      /* HST_ISCR register */
 538         /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
 539         void __iomem *RQDBregaddr;      /* RQ_DOORBELL register */
 540         void __iomem *WQDBregaddr;      /* WQ_DOORBELL register */
 541         void __iomem *EQCQDBregaddr;    /* EQCQ_DOORBELL register */
 542         void __iomem *MQDBregaddr;      /* MQ_DOORBELL register */
 543         void __iomem *BMBXregaddr;      /* BootStrap MBX register */
 544
 545         uint32_t ue_mask_lo;
 546         uint32_t ue_mask_hi;
 547         uint32_t ue_to_sr;
 548         uint32_t ue_to_rp;
 549         struct lpfc_register sli_intf;
 550         struct lpfc_pc_sli4_params pc_sli4_params;
 551         uint8_t handler_name[LPFC_SLI4_HANDLER_CNT][LPFC_SLI4_HANDLER_NAME_SZ];
 552         struct lpfc_hba_eq_hdl *hba_eq_hdl; /* HBA per-WQ handle */
 553
 554         /* Pointers to the constructed SLI4 queues */
 555         struct lpfc_queue **hba_eq;  /* Event queues for HBA */
 556         struct lpfc_queue **fcp_cq;  /* Fast-path FCP compl queue */
 557         struct lpfc_queue **nvme_cq; /* Fast-path NVME compl queue */
 558         struct lpfc_queue **nvmet_cqset; /* Fast-path NVMET CQ Set queues */
 559         struct lpfc_queue **nvmet_mrq_hdr; /* Fast-path NVMET hdr MRQs */
 560         struct lpfc_queue **nvmet_mrq_data; /* Fast-path NVMET data MRQs */
 561         struct lpfc_queue **fcp_wq;  /* Fast-path FCP work queue */
 562         struct lpfc_queue **nvme_wq; /* Fast-path NVME work queue */
 563         uint16_t *fcp_cq_map;
 564         uint16_t *nvme_cq_map;
 565         struct list_head lpfc_wq_list;
 566
 567         struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
 568         struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
 569         struct lpfc_queue *nvmels_cq; /* NVME LS complete queue */
 570         struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
 571         struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
 572         struct lpfc_queue *nvmels_wq; /* NVME LS work queue */
 573         struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
 574         struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
 575
 576         struct lpfc_name wwnn;
 577         struct lpfc_name wwpn;
 578
 579         uint32_t fw_func_mode;  /* FW function protocol mode */
 580         uint32_t ulp0_mode;     /* ULP0 protocol mode */
 581         uint32_t ulp1_mode;     /* ULP1 protocol mode */
 582
 583         struct lpfc_queue *fof_eq; /* Flash Optimized Fabric Event queue */
 584
 585         /* Optimized Access Storage specific queues/structures */
 586
 587         struct lpfc_queue *oas_cq; /* OAS completion queue */
 588         struct lpfc_queue *oas_wq; /* OAS Work queue */
 589         struct lpfc_sli_ring *oas_ring;
 590         uint64_t oas_next_lun;
 591         uint8_t oas_next_tgt_wwpn[8];
 592         uint8_t oas_next_vpt_wwpn[8];
 593
 594         /* Setup information for various queue parameters */
 595         int eq_esize;
 596         int eq_ecount;
 597         int cq_esize;
 598         int cq_ecount;
 599         int wq_esize;
 600         int wq_ecount;
 601         int mq_esize;
 602         int mq_ecount;
 603         int rq_esize;
 604         int rq_ecount;
 605 #define LPFC_SP_EQ_MAX_INTR_SEC         10000
 606 #define LPFC_FP_EQ_MAX_INTR_SEC         10000
 607
 608         uint32_t intr_enable;
 609         struct lpfc_bmbx bmbx;
 610         struct lpfc_max_cfg_param max_cfg_param;
 611         uint16_t extents_in_use; /* must allocate resource extents. */
 612         uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
 613         uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
 614         uint16_t next_rpi;
 615         uint16_t nvme_xri_max;
 616         uint16_t nvme_xri_cnt;
 617         uint16_t nvme_xri_start;
 618         uint16_t scsi_xri_max;
 619         uint16_t scsi_xri_cnt;
 620         uint16_t scsi_xri_start;
 621         uint16_t els_xri_cnt;
 622         uint16_t nvmet_xri_cnt;
 623         uint16_t nvmet_ctx_cnt;
 624         uint16_t nvmet_io_wait_cnt;
 625         uint16_t nvmet_io_wait_total;
 626         struct list_head lpfc_els_sgl_list;
 627         struct list_head lpfc_abts_els_sgl_list;
 628         struct list_head lpfc_nvmet_sgl_list;
 629         struct list_head lpfc_abts_nvmet_ctx_list;
 630         struct list_head lpfc_abts_scsi_buf_list;
 631         struct list_head lpfc_abts_nvme_buf_list;
 632         struct list_head lpfc_nvmet_ctx_list;
 633         struct list_head lpfc_nvmet_io_wait_list;
 634         struct lpfc_sglq **lpfc_sglq_active_list;
 635         struct list_head lpfc_rpi_hdr_list;
 636         unsigned long *rpi_bmask;
 637         uint16_t *rpi_ids;
 638         uint16_t rpi_count;
 639         struct list_head lpfc_rpi_blk_list;
 640         unsigned long *xri_bmask;
 641         uint16_t *xri_ids;
 642         struct list_head lpfc_xri_blk_list;
 643         unsigned long *vfi_bmask;
 644         uint16_t *vfi_ids;
 645         uint16_t vfi_count;
 646         struct list_head lpfc_vfi_blk_list;
 647         struct lpfc_sli4_flags sli4_flags;
 648         struct list_head sp_queue_event;
 649         struct list_head sp_cqe_event_pool;
 650         struct list_head sp_asynce_work_queue;
 651         struct list_head sp_fcp_xri_aborted_work_queue;
 652         struct list_head sp_els_xri_aborted_work_queue;
 653         struct list_head sp_nvme_xri_aborted_work_queue;
 654         struct list_head sp_unsol_work_queue;
 655         struct lpfc_sli4_link link_state;
 656         struct lpfc_sli4_lnk_info lnk_info;
 657         uint32_t pport_name_sta;
 658 #define LPFC_SLI4_PPNAME_NON    0
 659 #define LPFC_SLI4_PPNAME_GET    1
 660         struct lpfc_iov iov;
 661         spinlock_t abts_nvme_buf_list_lock; /* list of aborted SCSI IOs */
 662         spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
 663         spinlock_t sgl_list_lock; /* list of aborted els IOs */
 664         spinlock_t nvmet_io_lock;
 665         spinlock_t nvmet_io_wait_lock; /* IOs waiting for ctx resources */
 666         uint32_t physical_port;
 667
 668         /* CPU to vector mapping information */
 669         struct lpfc_vector_map_info *cpu_map;
 670         uint16_t num_online_cpu;
 671         uint16_t num_present_cpu;
 672         uint16_t curr_disp_cpu;
 673 };
 674
 675 enum lpfc_sge_type {
 676         GEN_BUFF_TYPE,
 677         SCSI_BUFF_TYPE,
 678         NVMET_BUFF_TYPE
 679 };
 680
 681 enum lpfc_sgl_state {
 682         SGL_FREED,
 683         SGL_ALLOCATED,
 684         SGL_XRI_ABORTED
 685 };
 686
 687 struct lpfc_sglq {
 688         /* lpfc_sglqs are used in double linked lists */
 689         struct list_head list;
 690         struct list_head clist;
 691         enum lpfc_sge_type buff_type; /* is this a scsi sgl */
 692         enum lpfc_sgl_state state;
 693         struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
 694         uint16_t iotag;         /* pre-assigned IO tag */
 695         uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
 696         uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
 697         struct sli4_sge *sgl;   /* pre-assigned SGL */
 698         void *virt;             /* virtual address. */
 699         dma_addr_t phys;        /* physical address */
 700 };
 701
 702 struct lpfc_rpi_hdr {
 703         struct list_head list;
 704         uint32_t len;
 705         struct lpfc_dmabuf *dmabuf;
 706         uint32_t page_count;
 707         uint32_t start_rpi;
 708         uint16_t next_rpi;
 709 };
 710
 711 struct lpfc_rsrc_blks {
 712         struct list_head list;
 713         uint16_t rsrc_start;
 714         uint16_t rsrc_size;
 715         uint16_t rsrc_used;
 716 };
 717
 718 struct lpfc_rdp_context {
 719         struct lpfc_nodelist *ndlp;
 720         uint16_t ox_id;
 721         uint16_t rx_id;
 722         READ_LNK_VAR link_stat;
 723         uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
 724         uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
 725         void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
 726 };
 727
 728 struct lpfc_lcb_context {
 729         uint8_t  sub_command;
 730         uint8_t  type;
 731         uint8_t  frequency;
 732         uint16_t ox_id;
 733         uint16_t rx_id;
 734         struct lpfc_nodelist *ndlp;
 735 };
 736
 737
 738 /*
 739  * SLI4 specific function prototypes
 740  */
 741 int lpfc_pci_function_reset(struct lpfc_hba *);
 742 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
 743 int lpfc_sli4_hba_setup(struct lpfc_hba *);
 744 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
 745                      uint8_t, uint32_t, bool);
 746 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
 747 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
 748 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
 749                            struct lpfc_mbx_sge *);
 750 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
 751                                uint16_t);
 752
 753 void lpfc_sli4_hba_reset(struct lpfc_hba *);
 754 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
 755                         uint32_t);
 756 void lpfc_sli4_queue_free(struct lpfc_queue *);
 757 int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
 758 int lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq);
 759 int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
 760                         struct lpfc_queue *, uint32_t, uint32_t);
 761 int lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp,
 762                         struct lpfc_queue **eqp, uint32_t type,
 763                         uint32_t subtype);
 764 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
 765                        struct lpfc_queue *, uint32_t);
 766 int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
 767                         struct lpfc_queue *, uint32_t);
 768 int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
 769                         struct lpfc_queue *, struct lpfc_queue *, uint32_t);
 770 int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp,
 771                         struct lpfc_queue **drqp, struct lpfc_queue **cqp,
 772                         uint32_t subtype);
 773 int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 774 int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 775 int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 776 int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 777 int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
 778                          struct lpfc_queue *);
 779 int lpfc_sli4_queue_setup(struct lpfc_hba *);
 780 void lpfc_sli4_queue_unset(struct lpfc_hba *);
 781 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
 782 int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
 783 int lpfc_repost_nvme_sgl_list(struct lpfc_hba *phba);
 784 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
 785 void lpfc_sli4_free_xri(struct lpfc_hba *, int);
 786 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
 787 int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
 788 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 789 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 790 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
 791 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
 792 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
 793 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
 794 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
 795 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
 796 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
 797 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
 798 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
 799 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
 800 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
 801 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
 802 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
 803                         void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
 804 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
 805 void lpfc_sli4_nvme_xri_abort_event_proc(struct lpfc_hba *phba);
 806 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
 807 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
 808                                struct sli4_wcqe_xri_aborted *);
 809 void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
 810                                 struct sli4_wcqe_xri_aborted *axri);
 811 void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
 812                                  struct sli4_wcqe_xri_aborted *axri);
 813 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
 814                                struct sli4_wcqe_xri_aborted *);
 815 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
 816 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
 817 int lpfc_sli4_brdreset(struct lpfc_hba *);
 818 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
 819 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
 820 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
 821 int lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba);
 822 int lpfc_sli4_init_vpi(struct lpfc_vport *);
 823 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
 824 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
 825 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
 826 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
 827 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
 828 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
 829 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 830 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 831 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 832 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
 833 int lpfc_sli4_post_status_check(struct lpfc_hba *);
 834 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
 835 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);