linux/drivers/scsi/bfa/bfa_core.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
   4 * Copyright (c) 2014- QLogic Corporation.
   5 * All rights reserved
   6 * www.qlogic.com
   7 *
   8 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
   9 */
  10
  11#include "bfad_drv.h"
  12#include "bfa_modules.h"
  13#include "bfi_reg.h"
  14
  15BFA_TRC_FILE(HAL, CORE);
  16
  17/*
  18 * Message handlers for various modules.
  19 */
  20static bfa_isr_func_t  bfa_isrs[BFI_MC_MAX] = {
  21        bfa_isr_unhandled,      /* NONE */
  22        bfa_isr_unhandled,      /* BFI_MC_IOC */
  23        bfa_fcdiag_intr,        /* BFI_MC_DIAG */
  24        bfa_isr_unhandled,      /* BFI_MC_FLASH */
  25        bfa_isr_unhandled,      /* BFI_MC_CEE */
  26        bfa_fcport_isr,         /* BFI_MC_FCPORT */
  27        bfa_isr_unhandled,      /* BFI_MC_IOCFC */
  28        bfa_isr_unhandled,      /* BFI_MC_LL */
  29        bfa_uf_isr,             /* BFI_MC_UF */
  30        bfa_fcxp_isr,           /* BFI_MC_FCXP */
  31        bfa_lps_isr,            /* BFI_MC_LPS */
  32        bfa_rport_isr,          /* BFI_MC_RPORT */
  33        bfa_itn_isr,            /* BFI_MC_ITN */
  34        bfa_isr_unhandled,      /* BFI_MC_IOIM_READ */
  35        bfa_isr_unhandled,      /* BFI_MC_IOIM_WRITE */
  36        bfa_isr_unhandled,      /* BFI_MC_IOIM_IO */
  37        bfa_ioim_isr,           /* BFI_MC_IOIM */
  38        bfa_ioim_good_comp_isr, /* BFI_MC_IOIM_IOCOM */
  39        bfa_tskim_isr,          /* BFI_MC_TSKIM */
  40        bfa_isr_unhandled,      /* BFI_MC_SBOOT */
  41        bfa_isr_unhandled,      /* BFI_MC_IPFC */
  42        bfa_isr_unhandled,      /* BFI_MC_PORT */
  43        bfa_isr_unhandled,      /* --------- */
  44        bfa_isr_unhandled,      /* --------- */
  45        bfa_isr_unhandled,      /* --------- */
  46        bfa_isr_unhandled,      /* --------- */
  47        bfa_isr_unhandled,      /* --------- */
  48        bfa_isr_unhandled,      /* --------- */
  49        bfa_isr_unhandled,      /* --------- */
  50        bfa_isr_unhandled,      /* --------- */
  51        bfa_isr_unhandled,      /* --------- */
  52        bfa_isr_unhandled,      /* --------- */
  53};
  54/*
  55 * Message handlers for mailbox command classes
  56 */
  57static bfa_ioc_mbox_mcfunc_t  bfa_mbox_isrs[BFI_MC_MAX] = {
  58        NULL,
  59        NULL,           /* BFI_MC_IOC   */
  60        NULL,           /* BFI_MC_DIAG  */
  61        NULL,           /* BFI_MC_FLASH */
  62        NULL,           /* BFI_MC_CEE   */
  63        NULL,           /* BFI_MC_PORT  */
  64        bfa_iocfc_isr,  /* BFI_MC_IOCFC */
  65        NULL,
  66};
  67
  68
  69
  70void
  71__bfa_trc(struct bfa_trc_mod_s *trcm, int fileno, int line, u64 data)
  72{
  73        int             tail = trcm->tail;
  74        struct bfa_trc_s        *trc = &trcm->trc[tail];
  75
  76        if (trcm->stopped)
  77                return;
  78
  79        trc->fileno = (u16) fileno;
  80        trc->line = (u16) line;
  81        trc->data.u64 = data;
  82        trc->timestamp = BFA_TRC_TS(trcm);
  83
  84        trcm->tail = (trcm->tail + 1) & (BFA_TRC_MAX - 1);
  85        if (trcm->tail == trcm->head)
  86                trcm->head = (trcm->head + 1) & (BFA_TRC_MAX - 1);
  87}
  88
  89static void
  90bfa_com_port_attach(struct bfa_s *bfa)
  91{
  92        struct bfa_port_s       *port = &bfa->modules.port;
  93        struct bfa_mem_dma_s    *port_dma = BFA_MEM_PORT_DMA(bfa);
  94
  95        bfa_port_attach(port, &bfa->ioc, bfa, bfa->trcmod);
  96        bfa_port_mem_claim(port, port_dma->kva_curp, port_dma->dma_curp);
  97}
  98
  99/*
 100 * ablk module attach
 101 */
 102static void
 103bfa_com_ablk_attach(struct bfa_s *bfa)
 104{
 105        struct bfa_ablk_s       *ablk = &bfa->modules.ablk;
 106        struct bfa_mem_dma_s    *ablk_dma = BFA_MEM_ABLK_DMA(bfa);
 107
 108        bfa_ablk_attach(ablk, &bfa->ioc);
 109        bfa_ablk_memclaim(ablk, ablk_dma->kva_curp, ablk_dma->dma_curp);
 110}
 111
 112static void
 113bfa_com_cee_attach(struct bfa_s *bfa)
 114{
 115        struct bfa_cee_s        *cee = &bfa->modules.cee;
 116        struct bfa_mem_dma_s    *cee_dma = BFA_MEM_CEE_DMA(bfa);
 117
 118        cee->trcmod = bfa->trcmod;
 119        bfa_cee_attach(cee, &bfa->ioc, bfa);
 120        bfa_cee_mem_claim(cee, cee_dma->kva_curp, cee_dma->dma_curp);
 121}
 122
 123static void
 124bfa_com_sfp_attach(struct bfa_s *bfa)
 125{
 126        struct bfa_sfp_s        *sfp = BFA_SFP_MOD(bfa);
 127        struct bfa_mem_dma_s    *sfp_dma = BFA_MEM_SFP_DMA(bfa);
 128
 129        bfa_sfp_attach(sfp, &bfa->ioc, bfa, bfa->trcmod);
 130        bfa_sfp_memclaim(sfp, sfp_dma->kva_curp, sfp_dma->dma_curp);
 131}
 132
 133static void
 134bfa_com_flash_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
 135{
 136        struct bfa_flash_s      *flash = BFA_FLASH(bfa);
 137        struct bfa_mem_dma_s    *flash_dma = BFA_MEM_FLASH_DMA(bfa);
 138
 139        bfa_flash_attach(flash, &bfa->ioc, bfa, bfa->trcmod, mincfg);
 140        bfa_flash_memclaim(flash, flash_dma->kva_curp,
 141                           flash_dma->dma_curp, mincfg);
 142}
 143
 144static void
 145bfa_com_diag_attach(struct bfa_s *bfa)
 146{
 147        struct bfa_diag_s       *diag = BFA_DIAG_MOD(bfa);
 148        struct bfa_mem_dma_s    *diag_dma = BFA_MEM_DIAG_DMA(bfa);
 149
 150        bfa_diag_attach(diag, &bfa->ioc, bfa, bfa_fcport_beacon, bfa->trcmod);
 151        bfa_diag_memclaim(diag, diag_dma->kva_curp, diag_dma->dma_curp);
 152}
 153
 154static void
 155bfa_com_phy_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
 156{
 157        struct bfa_phy_s        *phy = BFA_PHY(bfa);
 158        struct bfa_mem_dma_s    *phy_dma = BFA_MEM_PHY_DMA(bfa);
 159
 160        bfa_phy_attach(phy, &bfa->ioc, bfa, bfa->trcmod, mincfg);
 161        bfa_phy_memclaim(phy, phy_dma->kva_curp, phy_dma->dma_curp, mincfg);
 162}
 163
 164static void
 165bfa_com_fru_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
 166{
 167        struct bfa_fru_s        *fru = BFA_FRU(bfa);
 168        struct bfa_mem_dma_s    *fru_dma = BFA_MEM_FRU_DMA(bfa);
 169
 170        bfa_fru_attach(fru, &bfa->ioc, bfa, bfa->trcmod, mincfg);
 171        bfa_fru_memclaim(fru, fru_dma->kva_curp, fru_dma->dma_curp, mincfg);
 172}
 173
 174/*
 175 * BFA IOC FC related definitions
 176 */
 177
 178/*
 179 * IOC local definitions
 180 */
 181#define BFA_IOCFC_TOV           5000    /* msecs */
 182
 183enum {
 184        BFA_IOCFC_ACT_NONE      = 0,
 185        BFA_IOCFC_ACT_INIT      = 1,
 186        BFA_IOCFC_ACT_STOP      = 2,
 187        BFA_IOCFC_ACT_DISABLE   = 3,
 188        BFA_IOCFC_ACT_ENABLE    = 4,
 189};
 190
 191#define DEF_CFG_NUM_FABRICS             1
 192#define DEF_CFG_NUM_LPORTS              256
 193#define DEF_CFG_NUM_CQS                 4
 194#define DEF_CFG_NUM_IOIM_REQS           (BFA_IOIM_MAX)
 195#define DEF_CFG_NUM_TSKIM_REQS          128
 196#define DEF_CFG_NUM_FCXP_REQS           64
 197#define DEF_CFG_NUM_UF_BUFS             64
 198#define DEF_CFG_NUM_RPORTS              1024
 199#define DEF_CFG_NUM_ITNIMS              (DEF_CFG_NUM_RPORTS)
 200#define DEF_CFG_NUM_TINS                256
 201
 202#define DEF_CFG_NUM_SGPGS               2048
 203#define DEF_CFG_NUM_REQQ_ELEMS          256
 204#define DEF_CFG_NUM_RSPQ_ELEMS          64
 205#define DEF_CFG_NUM_SBOOT_TGTS          16
 206#define DEF_CFG_NUM_SBOOT_LUNS          16
 207
 208/*
 209 * IOCFC state machine definitions/declarations
 210 */
 211bfa_fsm_state_decl(bfa_iocfc, stopped, struct bfa_iocfc_s, enum iocfc_event);
 212bfa_fsm_state_decl(bfa_iocfc, initing, struct bfa_iocfc_s, enum iocfc_event);
 213bfa_fsm_state_decl(bfa_iocfc, dconf_read, struct bfa_iocfc_s, enum iocfc_event);
 214bfa_fsm_state_decl(bfa_iocfc, init_cfg_wait,
 215                   struct bfa_iocfc_s, enum iocfc_event);
 216bfa_fsm_state_decl(bfa_iocfc, init_cfg_done,
 217                   struct bfa_iocfc_s, enum iocfc_event);
 218bfa_fsm_state_decl(bfa_iocfc, operational,
 219                   struct bfa_iocfc_s, enum iocfc_event);
 220bfa_fsm_state_decl(bfa_iocfc, dconf_write,
 221                   struct bfa_iocfc_s, enum iocfc_event);
 222bfa_fsm_state_decl(bfa_iocfc, stopping, struct bfa_iocfc_s, enum iocfc_event);
 223bfa_fsm_state_decl(bfa_iocfc, enabling, struct bfa_iocfc_s, enum iocfc_event);
 224bfa_fsm_state_decl(bfa_iocfc, cfg_wait, struct bfa_iocfc_s, enum iocfc_event);
 225bfa_fsm_state_decl(bfa_iocfc, disabling, struct bfa_iocfc_s, enum iocfc_event);
 226bfa_fsm_state_decl(bfa_iocfc, disabled, struct bfa_iocfc_s, enum iocfc_event);
 227bfa_fsm_state_decl(bfa_iocfc, failed, struct bfa_iocfc_s, enum iocfc_event);
 228bfa_fsm_state_decl(bfa_iocfc, init_failed,
 229                   struct bfa_iocfc_s, enum iocfc_event);
 230
 231/*
 232 * forward declaration for IOC FC functions
 233 */
 234static void bfa_iocfc_start_submod(struct bfa_s *bfa);
 235static void bfa_iocfc_disable_submod(struct bfa_s *bfa);
 236static void bfa_iocfc_send_cfg(void *bfa_arg);
 237static void bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status);
 238static void bfa_iocfc_disable_cbfn(void *bfa_arg);
 239static void bfa_iocfc_hbfail_cbfn(void *bfa_arg);
 240static void bfa_iocfc_reset_cbfn(void *bfa_arg);
 241static struct bfa_ioc_cbfn_s bfa_iocfc_cbfn;
 242static void bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete);
 243static void bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl);
 244static void bfa_iocfc_enable_cb(void *bfa_arg, bfa_boolean_t compl);
 245static void bfa_iocfc_disable_cb(void *bfa_arg, bfa_boolean_t compl);
 246
 247static void
 248bfa_iocfc_sm_stopped_entry(struct bfa_iocfc_s *iocfc)
 249{
 250}
 251
 252static void
 253bfa_iocfc_sm_stopped(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 254{
 255        bfa_trc(iocfc->bfa, event);
 256
 257        switch (event) {
 258        case IOCFC_E_INIT:
 259        case IOCFC_E_ENABLE:
 260                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_initing);
 261                break;
 262        default:
 263                bfa_sm_fault(iocfc->bfa, event);
 264                break;
 265        }
 266}
 267
 268static void
 269bfa_iocfc_sm_initing_entry(struct bfa_iocfc_s *iocfc)
 270{
 271        bfa_ioc_enable(&iocfc->bfa->ioc);
 272}
 273
 274static void
 275bfa_iocfc_sm_initing(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 276{
 277        bfa_trc(iocfc->bfa, event);
 278
 279        switch (event) {
 280        case IOCFC_E_IOC_ENABLED:
 281                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_read);
 282                break;
 283
 284        case IOCFC_E_DISABLE:
 285                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
 286                break;
 287
 288        case IOCFC_E_STOP:
 289                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
 290                break;
 291
 292        case IOCFC_E_IOC_FAILED:
 293                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed);
 294                break;
 295        default:
 296                bfa_sm_fault(iocfc->bfa, event);
 297                break;
 298        }
 299}
 300
 301static void
 302bfa_iocfc_sm_dconf_read_entry(struct bfa_iocfc_s *iocfc)
 303{
 304        bfa_dconf_modinit(iocfc->bfa);
 305}
 306
 307static void
 308bfa_iocfc_sm_dconf_read(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 309{
 310        bfa_trc(iocfc->bfa, event);
 311
 312        switch (event) {
 313        case IOCFC_E_DCONF_DONE:
 314                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_wait);
 315                break;
 316
 317        case IOCFC_E_DISABLE:
 318                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
 319                break;
 320
 321        case IOCFC_E_STOP:
 322                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
 323                break;
 324
 325        case IOCFC_E_IOC_FAILED:
 326                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed);
 327                break;
 328        default:
 329                bfa_sm_fault(iocfc->bfa, event);
 330                break;
 331        }
 332}
 333
 334static void
 335bfa_iocfc_sm_init_cfg_wait_entry(struct bfa_iocfc_s *iocfc)
 336{
 337        bfa_iocfc_send_cfg(iocfc->bfa);
 338}
 339
 340static void
 341bfa_iocfc_sm_init_cfg_wait(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 342{
 343        bfa_trc(iocfc->bfa, event);
 344
 345        switch (event) {
 346        case IOCFC_E_CFG_DONE:
 347                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_done);
 348                break;
 349
 350        case IOCFC_E_DISABLE:
 351                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
 352                break;
 353
 354        case IOCFC_E_STOP:
 355                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
 356                break;
 357
 358        case IOCFC_E_IOC_FAILED:
 359                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed);
 360                break;
 361        default:
 362                bfa_sm_fault(iocfc->bfa, event);
 363                break;
 364        }
 365}
 366
 367static void
 368bfa_iocfc_sm_init_cfg_done_entry(struct bfa_iocfc_s *iocfc)
 369{
 370        iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
 371        bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.init_hcb_qe,
 372                     bfa_iocfc_init_cb, iocfc->bfa);
 373}
 374
 375static void
 376bfa_iocfc_sm_init_cfg_done(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 377{
 378        bfa_trc(iocfc->bfa, event);
 379
 380        switch (event) {
 381        case IOCFC_E_START:
 382                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_operational);
 383                break;
 384        case IOCFC_E_STOP:
 385                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
 386                break;
 387        case IOCFC_E_DISABLE:
 388                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
 389                break;
 390        case IOCFC_E_IOC_FAILED:
 391                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
 392                break;
 393        default:
 394                bfa_sm_fault(iocfc->bfa, event);
 395                break;
 396        }
 397}
 398
 399static void
 400bfa_iocfc_sm_operational_entry(struct bfa_iocfc_s *iocfc)
 401{
 402        bfa_fcport_init(iocfc->bfa);
 403        bfa_iocfc_start_submod(iocfc->bfa);
 404}
 405
 406static void
 407bfa_iocfc_sm_operational(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 408{
 409        bfa_trc(iocfc->bfa, event);
 410
 411        switch (event) {
 412        case IOCFC_E_STOP:
 413                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
 414                break;
 415        case IOCFC_E_DISABLE:
 416                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
 417                break;
 418        case IOCFC_E_IOC_FAILED:
 419                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
 420                break;
 421        default:
 422                bfa_sm_fault(iocfc->bfa, event);
 423                break;
 424        }
 425}
 426
 427static void
 428bfa_iocfc_sm_dconf_write_entry(struct bfa_iocfc_s *iocfc)
 429{
 430        bfa_dconf_modexit(iocfc->bfa);
 431}
 432
 433static void
 434bfa_iocfc_sm_dconf_write(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 435{
 436        bfa_trc(iocfc->bfa, event);
 437
 438        switch (event) {
 439        case IOCFC_E_DCONF_DONE:
 440        case IOCFC_E_IOC_FAILED:
 441                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
 442                break;
 443        default:
 444                bfa_sm_fault(iocfc->bfa, event);
 445                break;
 446        }
 447}
 448
 449static void
 450bfa_iocfc_sm_stopping_entry(struct bfa_iocfc_s *iocfc)
 451{
 452        bfa_ioc_disable(&iocfc->bfa->ioc);
 453}
 454
 455static void
 456bfa_iocfc_sm_stopping(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 457{
 458        bfa_trc(iocfc->bfa, event);
 459
 460        switch (event) {
 461        case IOCFC_E_IOC_DISABLED:
 462                bfa_isr_disable(iocfc->bfa);
 463                bfa_iocfc_disable_submod(iocfc->bfa);
 464                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopped);
 465                iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
 466                bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.stop_hcb_qe,
 467                             bfa_iocfc_stop_cb, iocfc->bfa);
 468                break;
 469
 470        case IOCFC_E_IOC_ENABLED:
 471        case IOCFC_E_DCONF_DONE:
 472        case IOCFC_E_CFG_DONE:
 473                break;
 474
 475        default:
 476                bfa_sm_fault(iocfc->bfa, event);
 477                break;
 478        }
 479}
 480
 481static void
 482bfa_iocfc_sm_enabling_entry(struct bfa_iocfc_s *iocfc)
 483{
 484        bfa_ioc_enable(&iocfc->bfa->ioc);
 485}
 486
 487static void
 488bfa_iocfc_sm_enabling(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 489{
 490        bfa_trc(iocfc->bfa, event);
 491
 492        switch (event) {
 493        case IOCFC_E_IOC_ENABLED:
 494                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_cfg_wait);
 495                break;
 496
 497        case IOCFC_E_DISABLE:
 498                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
 499                break;
 500
 501        case IOCFC_E_STOP:
 502                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
 503                break;
 504
 505        case IOCFC_E_IOC_FAILED:
 506                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
 507
 508                if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE)
 509                        break;
 510
 511                iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED;
 512                bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe,
 513                             bfa_iocfc_enable_cb, iocfc->bfa);
 514                iocfc->bfa->iocfc.cb_reqd = BFA_FALSE;
 515                break;
 516        default:
 517                bfa_sm_fault(iocfc->bfa, event);
 518                break;
 519        }
 520}
 521
 522static void
 523bfa_iocfc_sm_cfg_wait_entry(struct bfa_iocfc_s *iocfc)
 524{
 525        bfa_iocfc_send_cfg(iocfc->bfa);
 526}
 527
 528static void
 529bfa_iocfc_sm_cfg_wait(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 530{
 531        bfa_trc(iocfc->bfa, event);
 532
 533        switch (event) {
 534        case IOCFC_E_CFG_DONE:
 535                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_operational);
 536                if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE)
 537                        break;
 538
 539                iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
 540                bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe,
 541                             bfa_iocfc_enable_cb, iocfc->bfa);
 542                iocfc->bfa->iocfc.cb_reqd = BFA_FALSE;
 543                break;
 544        case IOCFC_E_DISABLE:
 545                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
 546                break;
 547
 548        case IOCFC_E_STOP:
 549                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
 550                break;
 551        case IOCFC_E_IOC_FAILED:
 552                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
 553                if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE)
 554                        break;
 555
 556                iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED;
 557                bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe,
 558                             bfa_iocfc_enable_cb, iocfc->bfa);
 559                iocfc->bfa->iocfc.cb_reqd = BFA_FALSE;
 560                break;
 561        default:
 562                bfa_sm_fault(iocfc->bfa, event);
 563                break;
 564        }
 565}
 566
 567static void
 568bfa_iocfc_sm_disabling_entry(struct bfa_iocfc_s *iocfc)
 569{
 570        bfa_ioc_disable(&iocfc->bfa->ioc);
 571}
 572
 573static void
 574bfa_iocfc_sm_disabling(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 575{
 576        bfa_trc(iocfc->bfa, event);
 577
 578        switch (event) {
 579        case IOCFC_E_IOC_DISABLED:
 580                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabled);
 581                break;
 582        case IOCFC_E_IOC_ENABLED:
 583        case IOCFC_E_DCONF_DONE:
 584        case IOCFC_E_CFG_DONE:
 585                break;
 586        default:
 587                bfa_sm_fault(iocfc->bfa, event);
 588                break;
 589        }
 590}
 591
 592static void
 593bfa_iocfc_sm_disabled_entry(struct bfa_iocfc_s *iocfc)
 594{
 595        bfa_isr_disable(iocfc->bfa);
 596        bfa_iocfc_disable_submod(iocfc->bfa);
 597        iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
 598        bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.dis_hcb_qe,
 599                     bfa_iocfc_disable_cb, iocfc->bfa);
 600}
 601
 602static void
 603bfa_iocfc_sm_disabled(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 604{
 605        bfa_trc(iocfc->bfa, event);
 606
 607        switch (event) {
 608        case IOCFC_E_STOP:
 609                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
 610                break;
 611        case IOCFC_E_ENABLE:
 612                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_enabling);
 613                break;
 614        default:
 615                bfa_sm_fault(iocfc->bfa, event);
 616                break;
 617        }
 618}
 619
 620static void
 621bfa_iocfc_sm_failed_entry(struct bfa_iocfc_s *iocfc)
 622{
 623        bfa_isr_disable(iocfc->bfa);
 624        bfa_iocfc_disable_submod(iocfc->bfa);
 625}
 626
 627static void
 628bfa_iocfc_sm_failed(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 629{
 630        bfa_trc(iocfc->bfa, event);
 631
 632        switch (event) {
 633        case IOCFC_E_STOP:
 634                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
 635                break;
 636        case IOCFC_E_DISABLE:
 637                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
 638                break;
 639        case IOCFC_E_IOC_ENABLED:
 640                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_cfg_wait);
 641                break;
 642        case IOCFC_E_IOC_FAILED:
 643                break;
 644        default:
 645                bfa_sm_fault(iocfc->bfa, event);
 646                break;
 647        }
 648}
 649
 650static void
 651bfa_iocfc_sm_init_failed_entry(struct bfa_iocfc_s *iocfc)
 652{
 653        bfa_isr_disable(iocfc->bfa);
 654        iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED;
 655        bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.init_hcb_qe,
 656                     bfa_iocfc_init_cb, iocfc->bfa);
 657}
 658
 659static void
 660bfa_iocfc_sm_init_failed(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
 661{
 662        bfa_trc(iocfc->bfa, event);
 663
 664        switch (event) {
 665        case IOCFC_E_STOP:
 666                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
 667                break;
 668        case IOCFC_E_DISABLE:
 669                bfa_ioc_disable(&iocfc->bfa->ioc);
 670                break;
 671        case IOCFC_E_IOC_ENABLED:
 672                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_read);
 673                break;
 674        case IOCFC_E_IOC_DISABLED:
 675                bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopped);
 676                iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
 677                bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.dis_hcb_qe,
 678                             bfa_iocfc_disable_cb, iocfc->bfa);
 679                break;
 680        case IOCFC_E_IOC_FAILED:
 681                break;
 682        default:
 683                bfa_sm_fault(iocfc->bfa, event);
 684                break;
 685        }
 686}
 687
 688/*
 689 * BFA Interrupt handling functions
 690 */
 691static void
 692bfa_reqq_resume(struct bfa_s *bfa, int qid)
 693{
 694        struct list_head *waitq, *qe, *qen;
 695        struct bfa_reqq_wait_s *wqe;
 696
 697        waitq = bfa_reqq(bfa, qid);
 698        list_for_each_safe(qe, qen, waitq) {
 699                /*
 700                 * Callback only as long as there is room in request queue
 701                 */
 702                if (bfa_reqq_full(bfa, qid))
 703                        break;
 704
 705                list_del(qe);
 706                wqe = (struct bfa_reqq_wait_s *) qe;
 707                wqe->qresume(wqe->cbarg);
 708        }
 709}
 710
 711bfa_boolean_t
 712bfa_isr_rspq(struct bfa_s *bfa, int qid)
 713{
 714        struct bfi_msg_s *m;
 715        u32     pi, ci;
 716        struct list_head *waitq;
 717        bfa_boolean_t ret;
 718
 719        ci = bfa_rspq_ci(bfa, qid);
 720        pi = bfa_rspq_pi(bfa, qid);
 721
 722        ret = (ci != pi);
 723
 724        while (ci != pi) {
 725                m = bfa_rspq_elem(bfa, qid, ci);
 726                WARN_ON(m->mhdr.msg_class >= BFI_MC_MAX);
 727
 728                bfa_isrs[m->mhdr.msg_class] (bfa, m);
 729                CQ_INCR(ci, bfa->iocfc.cfg.drvcfg.num_rspq_elems);
 730        }
 731
 732        /*
 733         * acknowledge RME completions and update CI
 734         */
 735        bfa_isr_rspq_ack(bfa, qid, ci);
 736
 737        /*
 738         * Resume any pending requests in the corresponding reqq.
 739         */
 740        waitq = bfa_reqq(bfa, qid);
 741        if (!list_empty(waitq))
 742                bfa_reqq_resume(bfa, qid);
 743
 744        return ret;
 745}
 746
 747static inline void
 748bfa_isr_reqq(struct bfa_s *bfa, int qid)
 749{
 750        struct list_head *waitq;
 751
 752        bfa_isr_reqq_ack(bfa, qid);
 753
 754        /*
 755         * Resume any pending requests in the corresponding reqq.
 756         */
 757        waitq = bfa_reqq(bfa, qid);
 758        if (!list_empty(waitq))
 759                bfa_reqq_resume(bfa, qid);
 760}
 761
 762void
 763bfa_msix_all(struct bfa_s *bfa, int vec)
 764{
 765        u32     intr, qintr;
 766        int     queue;
 767
 768        intr = readl(bfa->iocfc.bfa_regs.intr_status);
 769        if (!intr)
 770                return;
 771
 772        /*
 773         * RME completion queue interrupt
 774         */
 775        qintr = intr & __HFN_INT_RME_MASK;
 776        if (qintr && bfa->queue_process) {
 777                for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
 778                        bfa_isr_rspq(bfa, queue);
 779        }
 780
 781        intr &= ~qintr;
 782        if (!intr)
 783                return;
 784
 785        /*
 786         * CPE completion queue interrupt
 787         */
 788        qintr = intr & __HFN_INT_CPE_MASK;
 789        if (qintr && bfa->queue_process) {
 790                for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
 791                        bfa_isr_reqq(bfa, queue);
 792        }
 793        intr &= ~qintr;
 794        if (!intr)
 795                return;
 796
 797        bfa_msix_lpu_err(bfa, intr);
 798}
 799
 800bfa_boolean_t
 801bfa_intx(struct bfa_s *bfa)
 802{
 803        u32 intr, qintr;
 804        int queue;
 805        bfa_boolean_t rspq_comp = BFA_FALSE;
 806
 807        intr = readl(bfa->iocfc.bfa_regs.intr_status);
 808
 809        qintr = intr & (__HFN_INT_RME_MASK | __HFN_INT_CPE_MASK);
 810        if (qintr)
 811                writel(qintr, bfa->iocfc.bfa_regs.intr_status);
 812
 813        /*
 814         * Unconditional RME completion queue interrupt
 815         */
 816        if (bfa->queue_process) {
 817                for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
 818                        if (bfa_isr_rspq(bfa, queue))
 819                                rspq_comp = BFA_TRUE;
 820        }
 821
 822        if (!intr)
 823                return (qintr | rspq_comp) ? BFA_TRUE : BFA_FALSE;
 824
 825        /*
 826         * CPE completion queue interrupt
 827         */
 828        qintr = intr & __HFN_INT_CPE_MASK;
 829        if (qintr && bfa->queue_process) {
 830                for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
 831                        bfa_isr_reqq(bfa, queue);
 832        }
 833        intr &= ~qintr;
 834        if (!intr)
 835                return BFA_TRUE;
 836
 837        if (bfa->intr_enabled)
 838                bfa_msix_lpu_err(bfa, intr);
 839
 840        return BFA_TRUE;
 841}
 842
 843void
 844bfa_isr_enable(struct bfa_s *bfa)
 845{
 846        u32 umsk;
 847        int port_id = bfa_ioc_portid(&bfa->ioc);
 848
 849        bfa_trc(bfa, bfa_ioc_pcifn(&bfa->ioc));
 850        bfa_trc(bfa, port_id);
 851
 852        bfa_msix_ctrl_install(bfa);
 853
 854        if (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)) {
 855                umsk = __HFN_INT_ERR_MASK_CT2;
 856                umsk |= port_id == 0 ?
 857                        __HFN_INT_FN0_MASK_CT2 : __HFN_INT_FN1_MASK_CT2;
 858        } else {
 859                umsk = __HFN_INT_ERR_MASK;
 860                umsk |= port_id == 0 ? __HFN_INT_FN0_MASK : __HFN_INT_FN1_MASK;
 861        }
 862
 863        writel(umsk, bfa->iocfc.bfa_regs.intr_status);
 864        writel(~umsk, bfa->iocfc.bfa_regs.intr_mask);
 865        bfa->iocfc.intr_mask = ~umsk;
 866        bfa_isr_mode_set(bfa, bfa->msix.nvecs != 0);
 867
 868        /*
 869         * Set the flag indicating successful enabling of interrupts
 870         */
 871        bfa->intr_enabled = BFA_TRUE;
 872}
 873
 874void
 875bfa_isr_disable(struct bfa_s *bfa)
 876{
 877        bfa->intr_enabled = BFA_FALSE;
 878        bfa_isr_mode_set(bfa, BFA_FALSE);
 879        writel(-1L, bfa->iocfc.bfa_regs.intr_mask);
 880        bfa_msix_uninstall(bfa);
 881}
 882
 883void
 884bfa_msix_reqq(struct bfa_s *bfa, int vec)
 885{
 886        bfa_isr_reqq(bfa, vec - bfa->iocfc.hwif.cpe_vec_q0);
 887}
 888
 889void
 890bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m)
 891{
 892        bfa_trc(bfa, m->mhdr.msg_class);
 893        bfa_trc(bfa, m->mhdr.msg_id);
 894        bfa_trc(bfa, m->mhdr.mtag.i2htok);
 895        WARN_ON(1);
 896        bfa_trc_stop(bfa->trcmod);
 897}
 898
 899void
 900bfa_msix_rspq(struct bfa_s *bfa, int vec)
 901{
 902        bfa_isr_rspq(bfa, vec - bfa->iocfc.hwif.rme_vec_q0);
 903}
 904
 905void
 906bfa_msix_lpu_err(struct bfa_s *bfa, int vec)
 907{
 908        u32 intr, curr_value;
 909        bfa_boolean_t lpu_isr, halt_isr, pss_isr;
 910
 911        intr = readl(bfa->iocfc.bfa_regs.intr_status);
 912
 913        if (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)) {
 914                halt_isr = intr & __HFN_INT_CPQ_HALT_CT2;
 915                pss_isr  = intr & __HFN_INT_ERR_PSS_CT2;
 916                lpu_isr  = intr & (__HFN_INT_MBOX_LPU0_CT2 |
 917                                   __HFN_INT_MBOX_LPU1_CT2);
 918                intr    &= __HFN_INT_ERR_MASK_CT2;
 919        } else {
 920                halt_isr = bfa_asic_id_ct(bfa->ioc.pcidev.device_id) ?
 921                                          (intr & __HFN_INT_LL_HALT) : 0;
 922                pss_isr  = intr & __HFN_INT_ERR_PSS;
 923                lpu_isr  = intr & (__HFN_INT_MBOX_LPU0 | __HFN_INT_MBOX_LPU1);
 924                intr    &= __HFN_INT_ERR_MASK;
 925        }
 926
 927        if (lpu_isr)
 928                bfa_ioc_mbox_isr(&bfa->ioc);
 929
 930        if (intr) {
 931                if (halt_isr) {
 932                        /*
 933                         * If LL_HALT bit is set then FW Init Halt LL Port
 934                         * Register needs to be cleared as well so Interrupt
 935                         * Status Register will be cleared.
 936                         */
 937                        curr_value = readl(bfa->ioc.ioc_regs.ll_halt);
 938                        curr_value &= ~__FW_INIT_HALT_P;
 939                        writel(curr_value, bfa->ioc.ioc_regs.ll_halt);
 940                }
 941
 942                if (pss_isr) {
 943                        /*
 944                         * ERR_PSS bit needs to be cleared as well in case
 945                         * interrups are shared so driver's interrupt handler is
 946                         * still called even though it is already masked out.
 947                         */
 948                        curr_value = readl(
 949                                        bfa->ioc.ioc_regs.pss_err_status_reg);
 950                        writel(curr_value,
 951                                bfa->ioc.ioc_regs.pss_err_status_reg);
 952                }
 953
 954                writel(intr, bfa->iocfc.bfa_regs.intr_status);
 955                bfa_ioc_error_isr(&bfa->ioc);
 956        }
 957}
 958
 959/*
 960 * BFA IOC FC related functions
 961 */
 962
 963/*
 964 *  BFA IOC private functions
 965 */
 966
 967/*
 968 * Use the Mailbox interface to send BFI_IOCFC_H2I_CFG_REQ
 969 */
 970static void
 971bfa_iocfc_send_cfg(void *bfa_arg)
 972{
 973        struct bfa_s *bfa = bfa_arg;
 974        struct bfa_iocfc_s *iocfc = &bfa->iocfc;
 975        struct bfi_iocfc_cfg_req_s cfg_req;
 976        struct bfi_iocfc_cfg_s *cfg_info = iocfc->cfginfo;
 977        struct bfa_iocfc_cfg_s  *cfg = &iocfc->cfg;
 978        int             i;
 979
 980        WARN_ON(cfg->fwcfg.num_cqs > BFI_IOC_MAX_CQS);
 981        bfa_trc(bfa, cfg->fwcfg.num_cqs);
 982
 983        bfa_iocfc_reset_queues(bfa);
 984
 985        /*
 986         * initialize IOC configuration info
 987         */
 988        cfg_info->single_msix_vec = 0;
 989        if (bfa->msix.nvecs == 1)
 990                cfg_info->single_msix_vec = 1;
 991        cfg_info->endian_sig = BFI_IOC_ENDIAN_SIG;
 992        cfg_info->num_cqs = cfg->fwcfg.num_cqs;
 993        cfg_info->num_ioim_reqs = cpu_to_be16(bfa_fcpim_get_throttle_cfg(bfa,
 994                                               cfg->fwcfg.num_ioim_reqs));
 995        cfg_info->num_fwtio_reqs = cpu_to_be16(cfg->fwcfg.num_fwtio_reqs);
 996
 997        bfa_dma_be_addr_set(cfg_info->cfgrsp_addr, iocfc->cfgrsp_dma.pa);
 998        /*
 999         * dma map REQ and RSP circular queues and shadow pointers
1000         */
1001        for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
1002                bfa_dma_be_addr_set(cfg_info->req_cq_ba[i],
1003                                    iocfc->req_cq_ba[i].pa);
1004                bfa_dma_be_addr_set(cfg_info->req_shadow_ci[i],
1005                                    iocfc->req_cq_shadow_ci[i].pa);
1006                cfg_info->req_cq_elems[i] =
1007                        cpu_to_be16(cfg->drvcfg.num_reqq_elems);
1008
1009                bfa_dma_be_addr_set(cfg_info->rsp_cq_ba[i],
1010                                    iocfc->rsp_cq_ba[i].pa);
1011                bfa_dma_be_addr_set(cfg_info->rsp_shadow_pi[i],
1012                                    iocfc->rsp_cq_shadow_pi[i].pa);
1013                cfg_info->rsp_cq_elems[i] =
1014                        cpu_to_be16(cfg->drvcfg.num_rspq_elems);
1015        }
1016
1017        /*
1018         * Enable interrupt coalescing if it is driver init path
1019         * and not ioc disable/enable path.
1020         */
1021        if (bfa_fsm_cmp_state(iocfc, bfa_iocfc_sm_init_cfg_wait))
1022                cfg_info->intr_attr.coalesce = BFA_TRUE;
1023
1024        /*
1025         * dma map IOC configuration itself
1026         */
1027        bfi_h2i_set(cfg_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_CFG_REQ,
1028                    bfa_fn_lpu(bfa));
1029        bfa_dma_be_addr_set(cfg_req.ioc_cfg_dma_addr, iocfc->cfg_info.pa);
1030
1031        bfa_ioc_mbox_send(&bfa->ioc, &cfg_req,
1032                          sizeof(struct bfi_iocfc_cfg_req_s));
1033}
1034
1035static void
1036bfa_iocfc_init_mem(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
1037                   struct bfa_pcidev_s *pcidev)
1038{
1039        struct bfa_iocfc_s      *iocfc = &bfa->iocfc;
1040
1041        bfa->bfad = bfad;
1042        iocfc->bfa = bfa;
1043        iocfc->cfg = *cfg;
1044
1045        /*
1046         * Initialize chip specific handlers.
1047         */
1048        if (bfa_asic_id_ctc(bfa_ioc_devid(&bfa->ioc))) {
1049                iocfc->hwif.hw_reginit = bfa_hwct_reginit;
1050                iocfc->hwif.hw_reqq_ack = bfa_hwct_reqq_ack;
1051                iocfc->hwif.hw_rspq_ack = bfa_hwct_rspq_ack;
1052                iocfc->hwif.hw_msix_init = bfa_hwct_msix_init;
1053                iocfc->hwif.hw_msix_ctrl_install = bfa_hwct_msix_ctrl_install;
1054                iocfc->hwif.hw_msix_queue_install = bfa_hwct_msix_queue_install;
1055                iocfc->hwif.hw_msix_uninstall = bfa_hwct_msix_uninstall;
1056                iocfc->hwif.hw_isr_mode_set = bfa_hwct_isr_mode_set;
1057                iocfc->hwif.hw_msix_getvecs = bfa_hwct_msix_getvecs;
1058                iocfc->hwif.hw_msix_get_rme_range = bfa_hwct_msix_get_rme_range;
1059                iocfc->hwif.rme_vec_q0 = BFI_MSIX_RME_QMIN_CT;
1060                iocfc->hwif.cpe_vec_q0 = BFI_MSIX_CPE_QMIN_CT;
1061        } else {
1062                iocfc->hwif.hw_reginit = bfa_hwcb_reginit;
1063                iocfc->hwif.hw_reqq_ack = NULL;
1064                iocfc->hwif.hw_rspq_ack = bfa_hwcb_rspq_ack;
1065                iocfc->hwif.hw_msix_init = bfa_hwcb_msix_init;
1066                iocfc->hwif.hw_msix_ctrl_install = bfa_hwcb_msix_ctrl_install;
1067                iocfc->hwif.hw_msix_queue_install = bfa_hwcb_msix_queue_install;
1068                iocfc->hwif.hw_msix_uninstall = bfa_hwcb_msix_uninstall;
1069                iocfc->hwif.hw_isr_mode_set = bfa_hwcb_isr_mode_set;
1070                iocfc->hwif.hw_msix_getvecs = bfa_hwcb_msix_getvecs;
1071                iocfc->hwif.hw_msix_get_rme_range = bfa_hwcb_msix_get_rme_range;
1072                iocfc->hwif.rme_vec_q0 = BFI_MSIX_RME_QMIN_CB +
1073                        bfa_ioc_pcifn(&bfa->ioc) * BFI_IOC_MAX_CQS;
1074                iocfc->hwif.cpe_vec_q0 = BFI_MSIX_CPE_QMIN_CB +
1075                        bfa_ioc_pcifn(&bfa->ioc) * BFI_IOC_MAX_CQS;
1076        }
1077
1078        if (bfa_asic_id_ct2(bfa_ioc_devid(&bfa->ioc))) {
1079                iocfc->hwif.hw_reginit = bfa_hwct2_reginit;
1080                iocfc->hwif.hw_isr_mode_set = NULL;
1081                iocfc->hwif.hw_rspq_ack = bfa_hwct2_rspq_ack;
1082        }
1083
1084        iocfc->hwif.hw_reginit(bfa);
1085        bfa->msix.nvecs = 0;
1086}
1087
1088static void
1089bfa_iocfc_mem_claim(struct bfa_s *bfa, struct bfa_iocfc_cfg_s *cfg)
1090{
1091        u8      *dm_kva = NULL;
1092        u64     dm_pa = 0;
1093        int     i, per_reqq_sz, per_rspq_sz;
1094        struct bfa_iocfc_s  *iocfc = &bfa->iocfc;
1095        struct bfa_mem_dma_s *ioc_dma = BFA_MEM_IOC_DMA(bfa);
1096        struct bfa_mem_dma_s *iocfc_dma = BFA_MEM_IOCFC_DMA(bfa);
1097        struct bfa_mem_dma_s *reqq_dma, *rspq_dma;
1098
1099        /* First allocate dma memory for IOC */
1100        bfa_ioc_mem_claim(&bfa->ioc, bfa_mem_dma_virt(ioc_dma),
1101                        bfa_mem_dma_phys(ioc_dma));
1102
1103        /* Claim DMA-able memory for the request/response queues */
1104        per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ),
1105                                BFA_DMA_ALIGN_SZ);
1106        per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ),
1107                                BFA_DMA_ALIGN_SZ);
1108
1109        for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
1110                reqq_dma = BFA_MEM_REQQ_DMA(bfa, i);
1111                iocfc->req_cq_ba[i].kva = bfa_mem_dma_virt(reqq_dma);
1112                iocfc->req_cq_ba[i].pa = bfa_mem_dma_phys(reqq_dma);
1113                memset(iocfc->req_cq_ba[i].kva, 0, per_reqq_sz);
1114
1115                rspq_dma = BFA_MEM_RSPQ_DMA(bfa, i);
1116                iocfc->rsp_cq_ba[i].kva = bfa_mem_dma_virt(rspq_dma);
1117                iocfc->rsp_cq_ba[i].pa = bfa_mem_dma_phys(rspq_dma);
1118                memset(iocfc->rsp_cq_ba[i].kva, 0, per_rspq_sz);
1119        }
1120
1121        /* Claim IOCFC dma memory - for shadow CI/PI */
1122        dm_kva = bfa_mem_dma_virt(iocfc_dma);
1123        dm_pa  = bfa_mem_dma_phys(iocfc_dma);
1124
1125        for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
1126                iocfc->req_cq_shadow_ci[i].kva = dm_kva;
1127                iocfc->req_cq_shadow_ci[i].pa = dm_pa;
1128                dm_kva += BFA_CACHELINE_SZ;
1129                dm_pa += BFA_CACHELINE_SZ;
1130
1131                iocfc->rsp_cq_shadow_pi[i].kva = dm_kva;
1132                iocfc->rsp_cq_shadow_pi[i].pa = dm_pa;
1133                dm_kva += BFA_CACHELINE_SZ;
1134                dm_pa += BFA_CACHELINE_SZ;
1135        }
1136
1137        /* Claim IOCFC dma memory - for the config info page */
1138        bfa->iocfc.cfg_info.kva = dm_kva;
1139        bfa->iocfc.cfg_info.pa = dm_pa;
1140        bfa->iocfc.cfginfo = (struct bfi_iocfc_cfg_s *) dm_kva;
1141        dm_kva += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
1142        dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
1143
1144        /* Claim IOCFC dma memory - for the config response */
1145        bfa->iocfc.cfgrsp_dma.kva = dm_kva;
1146        bfa->iocfc.cfgrsp_dma.pa = dm_pa;
1147        bfa->iocfc.cfgrsp = (struct bfi_iocfc_cfgrsp_s *) dm_kva;
1148        dm_kva += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
1149                        BFA_CACHELINE_SZ);
1150        dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
1151                        BFA_CACHELINE_SZ);
1152
1153        /* Claim IOCFC kva memory */
1154        bfa_ioc_debug_memclaim(&bfa->ioc, bfa_mem_kva_curp(iocfc));
1155        bfa_mem_kva_curp(iocfc) += BFA_DBG_FWTRC_LEN;
1156}
1157
1158/*
1159 * Start BFA submodules.
1160 */
1161static void
1162bfa_iocfc_start_submod(struct bfa_s *bfa)
1163{
1164        int             i;
1165
1166        bfa->queue_process = BFA_TRUE;
1167        for (i = 0; i < BFI_IOC_MAX_CQS; i++)
1168                bfa_isr_rspq_ack(bfa, i, bfa_rspq_ci(bfa, i));
1169
1170        bfa_fcport_start(bfa);
1171        bfa_uf_start(bfa);
1172        /*
1173         * bfa_init() with flash read is complete. now invalidate the stale
1174         * content of lun mask like unit attention, rp tag and lp tag.
1175         */
1176        bfa_ioim_lm_init(BFA_FCP_MOD(bfa)->bfa);
1177
1178        bfa->iocfc.submod_enabled = BFA_TRUE;
1179}
1180
1181/*
1182 * Disable BFA submodules.
1183 */
1184static void
1185bfa_iocfc_disable_submod(struct bfa_s *bfa)
1186{
1187        if (bfa->iocfc.submod_enabled == BFA_FALSE)
1188                return;
1189
1190        bfa_fcdiag_iocdisable(bfa);
1191        bfa_fcport_iocdisable(bfa);
1192        bfa_fcxp_iocdisable(bfa);
1193        bfa_lps_iocdisable(bfa);
1194        bfa_rport_iocdisable(bfa);
1195        bfa_fcp_iocdisable(bfa);
1196        bfa_dconf_iocdisable(bfa);
1197
1198        bfa->iocfc.submod_enabled = BFA_FALSE;
1199}
1200
1201static void
1202bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete)
1203{
1204        struct bfa_s    *bfa = bfa_arg;
1205
1206        if (complete)
1207                bfa_cb_init(bfa->bfad, bfa->iocfc.op_status);
1208}
1209
1210static void
1211bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl)
1212{
1213        struct bfa_s  *bfa = bfa_arg;
1214        struct bfad_s *bfad = bfa->bfad;
1215
1216        if (compl)
1217                complete(&bfad->comp);
1218}
1219
1220static void
1221bfa_iocfc_enable_cb(void *bfa_arg, bfa_boolean_t compl)
1222{
1223        struct bfa_s    *bfa = bfa_arg;
1224        struct bfad_s *bfad = bfa->bfad;
1225
1226        if (compl)
1227                complete(&bfad->enable_comp);
1228}
1229
1230static void
1231bfa_iocfc_disable_cb(void *bfa_arg, bfa_boolean_t compl)
1232{
1233        struct bfa_s  *bfa = bfa_arg;
1234        struct bfad_s *bfad = bfa->bfad;
1235
1236        if (compl)
1237                complete(&bfad->disable_comp);
1238}
1239
1240/**
1241 * configure queue registers from firmware response
1242 */
1243static void
1244bfa_iocfc_qreg(struct bfa_s *bfa, struct bfi_iocfc_qreg_s *qreg)
1245{
1246        int     i;
1247        struct bfa_iocfc_regs_s *r = &bfa->iocfc.bfa_regs;
1248        void __iomem *kva = bfa_ioc_bar0(&bfa->ioc);
1249
1250        for (i = 0; i < BFI_IOC_MAX_CQS; i++) {
1251                bfa->iocfc.hw_qid[i] = qreg->hw_qid[i];
1252                r->cpe_q_ci[i] = kva + be32_to_cpu(qreg->cpe_q_ci_off[i]);
1253                r->cpe_q_pi[i] = kva + be32_to_cpu(qreg->cpe_q_pi_off[i]);
1254                r->cpe_q_ctrl[i] = kva + be32_to_cpu(qreg->cpe_qctl_off[i]);
1255                r->rme_q_ci[i] = kva + be32_to_cpu(qreg->rme_q_ci_off[i]);
1256                r->rme_q_pi[i] = kva + be32_to_cpu(qreg->rme_q_pi_off[i]);
1257                r->rme_q_ctrl[i] = kva + be32_to_cpu(qreg->rme_qctl_off[i]);
1258        }
1259}
1260
1261static void
1262bfa_iocfc_res_recfg(struct bfa_s *bfa, struct bfa_iocfc_fwcfg_s *fwcfg)
1263{
1264        struct bfa_iocfc_s      *iocfc   = &bfa->iocfc;
1265        struct bfi_iocfc_cfg_s  *cfg_info = iocfc->cfginfo;
1266
1267        bfa_fcxp_res_recfg(bfa, fwcfg->num_fcxp_reqs);
1268        bfa_uf_res_recfg(bfa, fwcfg->num_uf_bufs);
1269        bfa_rport_res_recfg(bfa, fwcfg->num_rports);
1270        bfa_fcp_res_recfg(bfa, cpu_to_be16(cfg_info->num_ioim_reqs),
1271                          fwcfg->num_ioim_reqs);
1272        bfa_tskim_res_recfg(bfa, fwcfg->num_tskim_reqs);
1273}
1274
1275/*
1276 * Update BFA configuration from firmware configuration.
1277 */
1278static void
1279bfa_iocfc_cfgrsp(struct bfa_s *bfa)
1280{
1281        struct bfa_iocfc_s              *iocfc   = &bfa->iocfc;
1282        struct bfi_iocfc_cfgrsp_s       *cfgrsp  = iocfc->cfgrsp;
1283        struct bfa_iocfc_fwcfg_s        *fwcfg   = &cfgrsp->fwcfg;
1284
1285        fwcfg->num_cqs        = fwcfg->num_cqs;
1286        fwcfg->num_ioim_reqs  = be16_to_cpu(fwcfg->num_ioim_reqs);
1287        fwcfg->num_fwtio_reqs = be16_to_cpu(fwcfg->num_fwtio_reqs);
1288        fwcfg->num_tskim_reqs = be16_to_cpu(fwcfg->num_tskim_reqs);
1289        fwcfg->num_fcxp_reqs  = be16_to_cpu(fwcfg->num_fcxp_reqs);
1290        fwcfg->num_uf_bufs    = be16_to_cpu(fwcfg->num_uf_bufs);
1291        fwcfg->num_rports     = be16_to_cpu(fwcfg->num_rports);
1292
1293        /*
1294         * configure queue register offsets as learnt from firmware
1295         */
1296        bfa_iocfc_qreg(bfa, &cfgrsp->qreg);
1297
1298        /*
1299         * Re-configure resources as learnt from Firmware
1300         */
1301        bfa_iocfc_res_recfg(bfa, fwcfg);
1302
1303        /*
1304         * Install MSIX queue handlers
1305         */
1306        bfa_msix_queue_install(bfa);
1307
1308        if (bfa->iocfc.cfgrsp->pbc_cfg.pbc_pwwn != 0) {
1309                bfa->ioc.attr->pwwn = bfa->iocfc.cfgrsp->pbc_cfg.pbc_pwwn;
1310                bfa->ioc.attr->nwwn = bfa->iocfc.cfgrsp->pbc_cfg.pbc_nwwn;
1311                bfa_fsm_send_event(iocfc, IOCFC_E_CFG_DONE);
1312        }
1313}
1314
1315void
1316bfa_iocfc_reset_queues(struct bfa_s *bfa)
1317{
1318        int             q;
1319
1320        for (q = 0; q < BFI_IOC_MAX_CQS; q++) {
1321                bfa_reqq_ci(bfa, q) = 0;
1322                bfa_reqq_pi(bfa, q) = 0;
1323                bfa_rspq_ci(bfa, q) = 0;
1324                bfa_rspq_pi(bfa, q) = 0;
1325        }
1326}
1327
1328/*
1329 *      Process FAA pwwn msg from fw.
1330 */
1331static void
1332bfa_iocfc_process_faa_addr(struct bfa_s *bfa, struct bfi_faa_addr_msg_s *msg)
1333{
1334        struct bfa_iocfc_s              *iocfc   = &bfa->iocfc;
1335        struct bfi_iocfc_cfgrsp_s       *cfgrsp  = iocfc->cfgrsp;
1336
1337        cfgrsp->pbc_cfg.pbc_pwwn = msg->pwwn;
1338        cfgrsp->pbc_cfg.pbc_nwwn = msg->nwwn;
1339
1340        bfa->ioc.attr->pwwn = msg->pwwn;
1341        bfa->ioc.attr->nwwn = msg->nwwn;
1342        bfa_fsm_send_event(iocfc, IOCFC_E_CFG_DONE);
1343}
1344
1345/* Fabric Assigned Address specific functions */
1346
1347/*
1348 *      Check whether IOC is ready before sending command down
1349 */
1350static bfa_status_t
1351bfa_faa_validate_request(struct bfa_s *bfa)
1352{
1353        enum bfa_ioc_type_e     ioc_type = bfa_get_type(bfa);
1354        u32     card_type = bfa->ioc.attr->card_type;
1355
1356        if (bfa_ioc_is_operational(&bfa->ioc)) {
1357                if ((ioc_type != BFA_IOC_TYPE_FC) || bfa_mfg_is_mezz(card_type))
1358                        return BFA_STATUS_FEATURE_NOT_SUPPORTED;
1359        } else {
1360                return BFA_STATUS_IOC_NON_OP;
1361        }
1362
1363        return BFA_STATUS_OK;
1364}
1365
1366bfa_status_t
1367bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr,
1368                bfa_cb_iocfc_t cbfn, void *cbarg)
1369{
1370        struct bfi_faa_query_s  faa_attr_req;
1371        struct bfa_iocfc_s      *iocfc = &bfa->iocfc;
1372        bfa_status_t            status;
1373
1374        status = bfa_faa_validate_request(bfa);
1375        if (status != BFA_STATUS_OK)
1376                return status;
1377
1378        if (iocfc->faa_args.busy == BFA_TRUE)
1379                return BFA_STATUS_DEVBUSY;
1380
1381        iocfc->faa_args.faa_attr = attr;
1382        iocfc->faa_args.faa_cb.faa_cbfn = cbfn;
1383        iocfc->faa_args.faa_cb.faa_cbarg = cbarg;
1384
1385        iocfc->faa_args.busy = BFA_TRUE;
1386        memset(&faa_attr_req, 0, sizeof(struct bfi_faa_query_s));
1387        bfi_h2i_set(faa_attr_req.mh, BFI_MC_IOCFC,
1388                BFI_IOCFC_H2I_FAA_QUERY_REQ, bfa_fn_lpu(bfa));
1389
1390        bfa_ioc_mbox_send(&bfa->ioc, &faa_attr_req,
1391                sizeof(struct bfi_faa_query_s));
1392
1393        return BFA_STATUS_OK;
1394}
1395
1396/*
1397 *      FAA query response
1398 */
1399static void
1400bfa_faa_query_reply(struct bfa_iocfc_s *iocfc,
1401                bfi_faa_query_rsp_t *rsp)
1402{
1403        void    *cbarg = iocfc->faa_args.faa_cb.faa_cbarg;
1404
1405        if (iocfc->faa_args.faa_attr) {
1406                iocfc->faa_args.faa_attr->faa = rsp->faa;
1407                iocfc->faa_args.faa_attr->faa_state = rsp->faa_status;
1408                iocfc->faa_args.faa_attr->pwwn_source = rsp->addr_source;
1409        }
1410
1411        WARN_ON(!iocfc->faa_args.faa_cb.faa_cbfn);
1412
1413        iocfc->faa_args.faa_cb.faa_cbfn(cbarg, BFA_STATUS_OK);
1414        iocfc->faa_args.busy = BFA_FALSE;
1415}
1416
1417/*
1418 * IOC enable request is complete
1419 */
1420static void
1421bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status)
1422{
1423        struct bfa_s    *bfa = bfa_arg;
1424
1425        if (status == BFA_STATUS_OK)
1426                bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_ENABLED);
1427        else
1428                bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_FAILED);
1429}
1430
1431/*
1432 * IOC disable request is complete
1433 */
1434static void
1435bfa_iocfc_disable_cbfn(void *bfa_arg)
1436{
1437        struct bfa_s    *bfa = bfa_arg;
1438
1439        bfa->queue_process = BFA_FALSE;
1440        bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_DISABLED);
1441}
1442
1443/*
1444 * Notify sub-modules of hardware failure.
1445 */
1446static void
1447bfa_iocfc_hbfail_cbfn(void *bfa_arg)
1448{
1449        struct bfa_s    *bfa = bfa_arg;
1450
1451        bfa->queue_process = BFA_FALSE;
1452        bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_FAILED);
1453}
1454
1455/*
1456 * Actions on chip-reset completion.
1457 */
1458static void
1459bfa_iocfc_reset_cbfn(void *bfa_arg)
1460{
1461        struct bfa_s    *bfa = bfa_arg;
1462
1463        bfa_iocfc_reset_queues(bfa);
1464        bfa_isr_enable(bfa);
1465}
1466
1467/*
1468 * Query IOC memory requirement information.
1469 */
1470void
1471bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
1472                  struct bfa_s *bfa)
1473{
1474        int q, per_reqq_sz, per_rspq_sz;
1475        struct bfa_mem_dma_s *ioc_dma = BFA_MEM_IOC_DMA(bfa);
1476        struct bfa_mem_dma_s *iocfc_dma = BFA_MEM_IOCFC_DMA(bfa);
1477        struct bfa_mem_kva_s *iocfc_kva = BFA_MEM_IOCFC_KVA(bfa);
1478        u32     dm_len = 0;
1479
1480        /* dma memory setup for IOC */
1481        bfa_mem_dma_setup(meminfo, ioc_dma,
1482                BFA_ROUNDUP(sizeof(struct bfi_ioc_attr_s), BFA_DMA_ALIGN_SZ));
1483
1484        /* dma memory setup for REQ/RSP queues */
1485        per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ),
1486                                BFA_DMA_ALIGN_SZ);
1487        per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ),
1488                                BFA_DMA_ALIGN_SZ);
1489
1490        for (q = 0; q < cfg->fwcfg.num_cqs; q++) {
1491                bfa_mem_dma_setup(meminfo, BFA_MEM_REQQ_DMA(bfa, q),
1492                                per_reqq_sz);
1493                bfa_mem_dma_setup(meminfo, BFA_MEM_RSPQ_DMA(bfa, q),
1494                                per_rspq_sz);
1495        }
1496
1497        /* IOCFC dma memory - calculate Shadow CI/PI size */
1498        for (q = 0; q < cfg->fwcfg.num_cqs; q++)
1499                dm_len += (2 * BFA_CACHELINE_SZ);
1500
1501        /* IOCFC dma memory - calculate config info / rsp size */
1502        dm_len += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
1503        dm_len += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
1504                        BFA_CACHELINE_SZ);
1505
1506        /* dma memory setup for IOCFC */
1507        bfa_mem_dma_setup(meminfo, iocfc_dma, dm_len);
1508
1509        /* kva memory setup for IOCFC */
1510        bfa_mem_kva_setup(meminfo, iocfc_kva, BFA_DBG_FWTRC_LEN);
1511}
1512
1513/*
1514 * Query IOC memory requirement information.
1515 */
1516void
1517bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
1518                 struct bfa_pcidev_s *pcidev)
1519{
1520        int             i;
1521        struct bfa_ioc_s *ioc = &bfa->ioc;
1522
1523        bfa_iocfc_cbfn.enable_cbfn = bfa_iocfc_enable_cbfn;
1524        bfa_iocfc_cbfn.disable_cbfn = bfa_iocfc_disable_cbfn;
1525        bfa_iocfc_cbfn.hbfail_cbfn = bfa_iocfc_hbfail_cbfn;
1526        bfa_iocfc_cbfn.reset_cbfn = bfa_iocfc_reset_cbfn;
1527
1528        ioc->trcmod = bfa->trcmod;
1529        bfa_ioc_attach(&bfa->ioc, bfa, &bfa_iocfc_cbfn, &bfa->timer_mod);
1530
1531        bfa_ioc_pci_init(&bfa->ioc, pcidev, BFI_PCIFN_CLASS_FC);
1532        bfa_ioc_mbox_register(&bfa->ioc, bfa_mbox_isrs);
1533
1534        bfa_iocfc_init_mem(bfa, bfad, cfg, pcidev);
1535        bfa_iocfc_mem_claim(bfa, cfg);
1536        INIT_LIST_HEAD(&bfa->timer_mod.timer_q);
1537
1538        INIT_LIST_HEAD(&bfa->comp_q);
1539        for (i = 0; i < BFI_IOC_MAX_CQS; i++)
1540                INIT_LIST_HEAD(&bfa->reqq_waitq[i]);
1541
1542        bfa->iocfc.cb_reqd = BFA_FALSE;
1543        bfa->iocfc.op_status = BFA_STATUS_OK;
1544        bfa->iocfc.submod_enabled = BFA_FALSE;
1545
1546        bfa_fsm_set_state(&bfa->iocfc, bfa_iocfc_sm_stopped);
1547}
1548
1549/*
1550 * Query IOC memory requirement information.
1551 */
1552void
1553bfa_iocfc_init(struct bfa_s *bfa)
1554{
1555        bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_INIT);
1556}
1557
1558/*
1559 * IOC start called from bfa_start(). Called to start IOC operations
1560 * at driver instantiation for this instance.
1561 */
1562void
1563bfa_iocfc_start(struct bfa_s *bfa)
1564{
1565        bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_START);
1566}
1567
1568/*
1569 * IOC stop called from bfa_stop(). Called only when driver is unloaded
1570 * for this instance.
1571 */
1572void
1573bfa_iocfc_stop(struct bfa_s *bfa)
1574{
1575        bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_STOP);
1576}
1577
1578void
1579bfa_iocfc_isr(void *bfaarg, struct bfi_mbmsg_s *m)
1580{
1581        struct bfa_s            *bfa = bfaarg;
1582        struct bfa_iocfc_s      *iocfc = &bfa->iocfc;
1583        union bfi_iocfc_i2h_msg_u       *msg;
1584
1585        msg = (union bfi_iocfc_i2h_msg_u *) m;
1586        bfa_trc(bfa, msg->mh.msg_id);
1587
1588        switch (msg->mh.msg_id) {
1589        case BFI_IOCFC_I2H_CFG_REPLY:
1590                bfa_iocfc_cfgrsp(bfa);
1591                break;
1592        case BFI_IOCFC_I2H_UPDATEQ_RSP:
1593                iocfc->updateq_cbfn(iocfc->updateq_cbarg, BFA_STATUS_OK);
1594                break;
1595        case BFI_IOCFC_I2H_ADDR_MSG:
1596                bfa_iocfc_process_faa_addr(bfa,
1597                                (struct bfi_faa_addr_msg_s *)msg);
1598                break;
1599        case BFI_IOCFC_I2H_FAA_QUERY_RSP:
1600                bfa_faa_query_reply(iocfc, (bfi_faa_query_rsp_t *)msg);
1601                break;
1602        default:
1603                WARN_ON(1);
1604        }
1605}
1606
1607void
1608bfa_iocfc_get_attr(struct bfa_s *bfa, struct bfa_iocfc_attr_s *attr)
1609{
1610        struct bfa_iocfc_s      *iocfc = &bfa->iocfc;
1611
1612        attr->intr_attr.coalesce = iocfc->cfginfo->intr_attr.coalesce;
1613
1614        attr->intr_attr.delay = iocfc->cfginfo->intr_attr.delay ?
1615                                be16_to_cpu(iocfc->cfginfo->intr_attr.delay) :
1616                                be16_to_cpu(iocfc->cfgrsp->intr_attr.delay);
1617
1618        attr->intr_attr.latency = iocfc->cfginfo->intr_attr.latency ?
1619                        be16_to_cpu(iocfc->cfginfo->intr_attr.latency) :
1620                        be16_to_cpu(iocfc->cfgrsp->intr_attr.latency);
1621
1622        attr->config    = iocfc->cfg;
1623}
1624
1625bfa_status_t
1626bfa_iocfc_israttr_set(struct bfa_s *bfa, struct bfa_iocfc_intr_attr_s *attr)
1627{
1628        struct bfa_iocfc_s              *iocfc = &bfa->iocfc;
1629        struct bfi_iocfc_set_intr_req_s *m;
1630
1631        iocfc->cfginfo->intr_attr.coalesce = attr->coalesce;
1632        iocfc->cfginfo->intr_attr.delay = cpu_to_be16(attr->delay);
1633        iocfc->cfginfo->intr_attr.latency = cpu_to_be16(attr->latency);
1634
1635        if (!bfa_iocfc_is_operational(bfa))
1636                return BFA_STATUS_OK;
1637
1638        m = bfa_reqq_next(bfa, BFA_REQQ_IOC);
1639        if (!m)
1640                return BFA_STATUS_DEVBUSY;
1641
1642        bfi_h2i_set(m->mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_SET_INTR_REQ,
1643                    bfa_fn_lpu(bfa));
1644        m->coalesce = iocfc->cfginfo->intr_attr.coalesce;
1645        m->delay    = iocfc->cfginfo->intr_attr.delay;
1646        m->latency  = iocfc->cfginfo->intr_attr.latency;
1647
1648        bfa_trc(bfa, attr->delay);
1649        bfa_trc(bfa, attr->latency);
1650
1651        bfa_reqq_produce(bfa, BFA_REQQ_IOC, m->mh);
1652        return BFA_STATUS_OK;
1653}
1654
1655void
1656bfa_iocfc_set_snsbase(struct bfa_s *bfa, int seg_no, u64 snsbase_pa)
1657{
1658        struct bfa_iocfc_s      *iocfc = &bfa->iocfc;
1659
1660        iocfc->cfginfo->sense_buf_len = (BFI_IOIM_SNSLEN - 1);
1661        bfa_dma_be_addr_set(iocfc->cfginfo->ioim_snsbase[seg_no], snsbase_pa);
1662}
1663/*
1664 * Enable IOC after it is disabled.
1665 */
1666void
1667bfa_iocfc_enable(struct bfa_s *bfa)
1668{
1669        bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0,
1670                     "IOC Enable");
1671        bfa->iocfc.cb_reqd = BFA_TRUE;
1672        bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_ENABLE);
1673}
1674
1675void
1676bfa_iocfc_disable(struct bfa_s *bfa)
1677{
1678        bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0,
1679                     "IOC Disable");
1680
1681        bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_DISABLE);
1682}
1683
1684bfa_boolean_t
1685bfa_iocfc_is_operational(struct bfa_s *bfa)
1686{
1687        return bfa_ioc_is_operational(&bfa->ioc) &&
1688                bfa_fsm_cmp_state(&bfa->iocfc, bfa_iocfc_sm_operational);
1689}
1690
1691/*
1692 * Return boot target port wwns -- read from boot information in flash.
1693 */
1694void
1695bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t *wwns)
1696{
1697        struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1698        struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
1699        int i;
1700
1701        if (cfgrsp->pbc_cfg.boot_enabled && cfgrsp->pbc_cfg.nbluns) {
1702                bfa_trc(bfa, cfgrsp->pbc_cfg.nbluns);
1703                *nwwns = cfgrsp->pbc_cfg.nbluns;
1704                for (i = 0; i < cfgrsp->pbc_cfg.nbluns; i++)
1705                        wwns[i] = cfgrsp->pbc_cfg.blun[i].tgt_pwwn;
1706
1707                return;
1708        }
1709
1710        *nwwns = cfgrsp->bootwwns.nwwns;
1711        memcpy(wwns, cfgrsp->bootwwns.wwn, sizeof(cfgrsp->bootwwns.wwn));
1712}
1713
1714int
1715bfa_iocfc_get_pbc_vports(struct bfa_s *bfa, struct bfi_pbc_vport_s *pbc_vport)
1716{
1717        struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1718        struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
1719
1720        memcpy(pbc_vport, cfgrsp->pbc_cfg.vport, sizeof(cfgrsp->pbc_cfg.vport));
1721        return cfgrsp->pbc_cfg.nvports;
1722}
1723
1724
1725/*
1726 * Use this function query the memory requirement of the BFA library.
1727 * This function needs to be called before bfa_attach() to get the
1728 * memory required of the BFA layer for a given driver configuration.
1729 *
1730 * This call will fail, if the cap is out of range compared to pre-defined
1731 * values within the BFA library
1732 *
1733 * @param[in] cfg -     pointer to bfa_ioc_cfg_t. Driver layer should indicate
1734 *                      its configuration in this structure.
1735 *                      The default values for struct bfa_iocfc_cfg_s can be
1736 *                      fetched using bfa_cfg_get_default() API.
1737 *
1738 *                      If cap's boundary check fails, the library will use
1739 *                      the default bfa_cap_t values (and log a warning msg).
1740 *
1741 * @param[out] meminfo - pointer to bfa_meminfo_t. This content
1742 *                      indicates the memory type (see bfa_mem_type_t) and
1743 *                      amount of memory required.
1744 *
1745 *                      Driver should allocate the memory, populate the
1746 *                      starting address for each block and provide the same
1747 *                      structure as input parameter to bfa_attach() call.
1748 *
1749 * @param[in] bfa -     pointer to the bfa structure, used while fetching the
1750 *                      dma, kva memory information of the bfa sub-modules.
1751 *
1752 * @return void
1753 *
1754 * Special Considerations: @note
1755 */
1756void
1757bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
1758                struct bfa_s *bfa)
1759{
1760        struct bfa_mem_dma_s *port_dma = BFA_MEM_PORT_DMA(bfa);
1761        struct bfa_mem_dma_s *ablk_dma = BFA_MEM_ABLK_DMA(bfa);
1762        struct bfa_mem_dma_s *cee_dma = BFA_MEM_CEE_DMA(bfa);
1763        struct bfa_mem_dma_s *sfp_dma = BFA_MEM_SFP_DMA(bfa);
1764        struct bfa_mem_dma_s *flash_dma = BFA_MEM_FLASH_DMA(bfa);
1765        struct bfa_mem_dma_s *diag_dma = BFA_MEM_DIAG_DMA(bfa);
1766        struct bfa_mem_dma_s *phy_dma = BFA_MEM_PHY_DMA(bfa);
1767        struct bfa_mem_dma_s *fru_dma = BFA_MEM_FRU_DMA(bfa);
1768
1769        WARN_ON((cfg == NULL) || (meminfo == NULL));
1770
1771        memset((void *)meminfo, 0, sizeof(struct bfa_meminfo_s));
1772
1773        /* Initialize the DMA & KVA meminfo queues */
1774        INIT_LIST_HEAD(&meminfo->dma_info.qe);
1775        INIT_LIST_HEAD(&meminfo->kva_info.qe);
1776
1777        bfa_iocfc_meminfo(cfg, meminfo, bfa);
1778        bfa_sgpg_meminfo(cfg, meminfo, bfa);
1779        bfa_fcport_meminfo(cfg, meminfo, bfa);
1780        bfa_fcxp_meminfo(cfg, meminfo, bfa);
1781        bfa_lps_meminfo(cfg, meminfo, bfa);
1782        bfa_uf_meminfo(cfg, meminfo, bfa);
1783        bfa_rport_meminfo(cfg, meminfo, bfa);
1784        bfa_fcp_meminfo(cfg, meminfo, bfa);
1785        bfa_dconf_meminfo(cfg, meminfo, bfa);
1786
1787        /* dma info setup */
1788        bfa_mem_dma_setup(meminfo, port_dma, bfa_port_meminfo());
1789        bfa_mem_dma_setup(meminfo, ablk_dma, bfa_ablk_meminfo());
1790        bfa_mem_dma_setup(meminfo, cee_dma, bfa_cee_meminfo());
1791        bfa_mem_dma_setup(meminfo, sfp_dma, bfa_sfp_meminfo());
1792        bfa_mem_dma_setup(meminfo, flash_dma,
1793                          bfa_flash_meminfo(cfg->drvcfg.min_cfg));
1794        bfa_mem_dma_setup(meminfo, diag_dma, bfa_diag_meminfo());
1795        bfa_mem_dma_setup(meminfo, phy_dma,
1796                          bfa_phy_meminfo(cfg->drvcfg.min_cfg));
1797        bfa_mem_dma_setup(meminfo, fru_dma,
1798                          bfa_fru_meminfo(cfg->drvcfg.min_cfg));
1799}
1800
1801/*
1802 * Use this function to do attach the driver instance with the BFA
1803 * library. This function will not trigger any HW initialization
1804 * process (which will be done in bfa_init() call)
1805 *
1806 * This call will fail, if the cap is out of range compared to
1807 * pre-defined values within the BFA library
1808 *
1809 * @param[out]  bfa     Pointer to bfa_t.
1810 * @param[in]   bfad    Opaque handle back to the driver's IOC structure
1811 * @param[in]   cfg     Pointer to bfa_ioc_cfg_t. Should be same structure
1812 *                      that was used in bfa_cfg_get_meminfo().
1813 * @param[in]   meminfo Pointer to bfa_meminfo_t. The driver should
1814 *                      use the bfa_cfg_get_meminfo() call to
1815 *                      find the memory blocks required, allocate the
1816 *                      required memory and provide the starting addresses.
1817 * @param[in]   pcidev  pointer to struct bfa_pcidev_s
1818 *
1819 * @return
1820 * void
1821 *
1822 * Special Considerations:
1823 *
1824 * @note
1825 *
1826 */
1827void
1828bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
1829               struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
1830{
1831        struct bfa_mem_dma_s *dma_info, *dma_elem;
1832        struct bfa_mem_kva_s *kva_info, *kva_elem;
1833        struct list_head *dm_qe, *km_qe;
1834
1835        bfa->fcs = BFA_FALSE;
1836
1837        WARN_ON((cfg == NULL) || (meminfo == NULL));
1838
1839        /* Initialize memory pointers for iterative allocation */
1840        dma_info = &meminfo->dma_info;
1841        dma_info->kva_curp = dma_info->kva;
1842        dma_info->dma_curp = dma_info->dma;
1843
1844        kva_info = &meminfo->kva_info;
1845        kva_info->kva_curp = kva_info->kva;
1846
1847        list_for_each(dm_qe, &dma_info->qe) {
1848                dma_elem = (struct bfa_mem_dma_s *) dm_qe;
1849                dma_elem->kva_curp = dma_elem->kva;
1850                dma_elem->dma_curp = dma_elem->dma;
1851        }
1852
1853        list_for_each(km_qe, &kva_info->qe) {
1854                kva_elem = (struct bfa_mem_kva_s *) km_qe;
1855                kva_elem->kva_curp = kva_elem->kva;
1856        }
1857
1858        bfa_iocfc_attach(bfa, bfad, cfg, pcidev);
1859        bfa_fcdiag_attach(bfa, bfad, cfg, pcidev);
1860        bfa_sgpg_attach(bfa, bfad, cfg, pcidev);
1861        bfa_fcport_attach(bfa, bfad, cfg, pcidev);
1862        bfa_fcxp_attach(bfa, bfad, cfg, pcidev);
1863        bfa_lps_attach(bfa, bfad, cfg, pcidev);
1864        bfa_uf_attach(bfa, bfad, cfg, pcidev);
1865        bfa_rport_attach(bfa, bfad, cfg, pcidev);
1866        bfa_fcp_attach(bfa, bfad, cfg, pcidev);
1867        bfa_dconf_attach(bfa, bfad, cfg);
1868        bfa_com_port_attach(bfa);
1869        bfa_com_ablk_attach(bfa);
1870        bfa_com_cee_attach(bfa);
1871        bfa_com_sfp_attach(bfa);
1872        bfa_com_flash_attach(bfa, cfg->drvcfg.min_cfg);
1873        bfa_com_diag_attach(bfa);
1874        bfa_com_phy_attach(bfa, cfg->drvcfg.min_cfg);
1875        bfa_com_fru_attach(bfa, cfg->drvcfg.min_cfg);
1876}
1877
1878/*
1879 * Use this function to delete a BFA IOC. IOC should be stopped (by
1880 * calling bfa_stop()) before this function call.
1881 *
1882 * @param[in] bfa - pointer to bfa_t.
1883 *
1884 * @return
1885 * void
1886 *
1887 * Special Considerations:
1888 *
1889 * @note
1890 */
1891void
1892bfa_detach(struct bfa_s *bfa)
1893{
1894        bfa_ioc_detach(&bfa->ioc);
1895}
1896
1897void
1898bfa_comp_deq(struct bfa_s *bfa, struct list_head *comp_q)
1899{
1900        INIT_LIST_HEAD(comp_q);
1901        list_splice_tail_init(&bfa->comp_q, comp_q);
1902}
1903
1904void
1905bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q)
1906{
1907        struct list_head                *qe;
1908        struct list_head                *qen;
1909        struct bfa_cb_qe_s      *hcb_qe;
1910        bfa_cb_cbfn_status_t    cbfn;
1911
1912        list_for_each_safe(qe, qen, comp_q) {
1913                hcb_qe = (struct bfa_cb_qe_s *) qe;
1914                if (hcb_qe->pre_rmv) {
1915                        /* qe is invalid after return, dequeue before cbfn() */
1916                        list_del(qe);
1917                        cbfn = (bfa_cb_cbfn_status_t)(hcb_qe->cbfn);
1918                        cbfn(hcb_qe->cbarg, hcb_qe->fw_status);
1919                } else
1920                        hcb_qe->cbfn(hcb_qe->cbarg, BFA_TRUE);
1921        }
1922}
1923
1924void
1925bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q)
1926{
1927        struct list_head                *qe;
1928        struct bfa_cb_qe_s      *hcb_qe;
1929
1930        while (!list_empty(comp_q)) {
1931                bfa_q_deq(comp_q, &qe);
1932                hcb_qe = (struct bfa_cb_qe_s *) qe;
1933                WARN_ON(hcb_qe->pre_rmv);
1934                hcb_qe->cbfn(hcb_qe->cbarg, BFA_FALSE);
1935        }
1936}
1937
1938/*
1939 * Return the list of PCI vendor/device id lists supported by this
1940 * BFA instance.
1941 */
1942void
1943bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids)
1944{
1945        static struct bfa_pciid_s __pciids[] = {
1946                {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G2P},
1947                {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G1P},
1948                {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT},
1949                {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT_FC},
1950        };
1951
1952        *npciids = ARRAY_SIZE(__pciids);
1953        *pciids = __pciids;
1954}
1955
1956/*
1957 * Use this function query the default struct bfa_iocfc_cfg_s value (compiled
1958 * into BFA layer). The OS driver can then turn back and overwrite entries that
1959 * have been configured by the user.
1960 *
1961 * @param[in] cfg - pointer to bfa_ioc_cfg_t
1962 *
1963 * @return
1964 *      void
1965 *
1966 * Special Considerations:
1967 * note
1968 */
1969void
1970bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg)
1971{
1972        cfg->fwcfg.num_fabrics = DEF_CFG_NUM_FABRICS;
1973        cfg->fwcfg.num_lports = DEF_CFG_NUM_LPORTS;
1974        cfg->fwcfg.num_rports = DEF_CFG_NUM_RPORTS;
1975        cfg->fwcfg.num_ioim_reqs = DEF_CFG_NUM_IOIM_REQS;
1976        cfg->fwcfg.num_tskim_reqs = DEF_CFG_NUM_TSKIM_REQS;
1977        cfg->fwcfg.num_fcxp_reqs = DEF_CFG_NUM_FCXP_REQS;
1978        cfg->fwcfg.num_uf_bufs = DEF_CFG_NUM_UF_BUFS;
1979        cfg->fwcfg.num_cqs = DEF_CFG_NUM_CQS;
1980        cfg->fwcfg.num_fwtio_reqs = 0;
1981
1982        cfg->drvcfg.num_reqq_elems = DEF_CFG_NUM_REQQ_ELEMS;
1983        cfg->drvcfg.num_rspq_elems = DEF_CFG_NUM_RSPQ_ELEMS;
1984        cfg->drvcfg.num_sgpgs = DEF_CFG_NUM_SGPGS;
1985        cfg->drvcfg.num_sboot_tgts = DEF_CFG_NUM_SBOOT_TGTS;
1986        cfg->drvcfg.num_sboot_luns = DEF_CFG_NUM_SBOOT_LUNS;
1987        cfg->drvcfg.path_tov = BFA_FCPIM_PATHTOV_DEF;
1988        cfg->drvcfg.ioc_recover = BFA_FALSE;
1989        cfg->drvcfg.delay_comp = BFA_FALSE;
1990
1991}
1992
1993void
1994bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg)
1995{
1996        bfa_cfg_get_default(cfg);
1997        cfg->fwcfg.num_ioim_reqs   = BFA_IOIM_MIN;
1998        cfg->fwcfg.num_tskim_reqs  = BFA_TSKIM_MIN;
1999        cfg->fwcfg.num_fcxp_reqs   = BFA_FCXP_MIN;
2000        cfg->fwcfg.num_uf_bufs     = BFA_UF_MIN;
2001        cfg->fwcfg.num_rports      = BFA_RPORT_MIN;
2002        cfg->fwcfg.num_fwtio_reqs = 0;
2003
2004        cfg->drvcfg.num_sgpgs      = BFA_SGPG_MIN;
2005        cfg->drvcfg.num_reqq_elems = BFA_REQQ_NELEMS_MIN;
2006        cfg->drvcfg.num_rspq_elems = BFA_RSPQ_NELEMS_MIN;
2007        cfg->drvcfg.min_cfg        = BFA_TRUE;
2008}
2009