linux/drivers/net/ethernet/emulex/benet/be_cmds.c
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   1/*
   2 * Copyright (C) 2005 - 2016 Broadcom
   3 * All rights reserved.
   4 *
   5 * This program is free software; you can redistribute it and/or
   6 * modify it under the terms of the GNU General Public License version 2
   7 * as published by the Free Software Foundation.  The full GNU General
   8 * Public License is included in this distribution in the file called COPYING.
   9 *
  10 * Contact Information:
  11 * linux-drivers@emulex.com
  12 *
  13 * Emulex
  14 * 3333 Susan Street
  15 * Costa Mesa, CA 92626
  16 */
  17
  18#include <linux/module.h>
  19#include "be.h"
  20#include "be_cmds.h"
  21
  22char *be_misconfig_evt_port_state[] = {
  23        "Physical Link is functional",
  24        "Optics faulted/incorrectly installed/not installed - Reseat optics. If issue not resolved, replace.",
  25        "Optics of two types installed – Remove one optic or install matching pair of optics.",
  26        "Incompatible optics – Replace with compatible optics for card to function.",
  27        "Unqualified optics – Replace with Avago optics for Warranty and Technical Support.",
  28        "Uncertified optics – Replace with Avago-certified optics to enable link operation."
  29};
  30
  31static char *be_port_misconfig_evt_severity[] = {
  32        "KERN_WARN",
  33        "KERN_INFO",
  34        "KERN_ERR",
  35        "KERN_WARN"
  36};
  37
  38static char *phy_state_oper_desc[] = {
  39        "Link is non-operational",
  40        "Link is operational",
  41        ""
  42};
  43
  44static struct be_cmd_priv_map cmd_priv_map[] = {
  45        {
  46                OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
  47                CMD_SUBSYSTEM_ETH,
  48                BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
  49                BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
  50        },
  51        {
  52                OPCODE_COMMON_GET_FLOW_CONTROL,
  53                CMD_SUBSYSTEM_COMMON,
  54                BE_PRIV_LNKQUERY | BE_PRIV_VHADM |
  55                BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
  56        },
  57        {
  58                OPCODE_COMMON_SET_FLOW_CONTROL,
  59                CMD_SUBSYSTEM_COMMON,
  60                BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
  61                BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
  62        },
  63        {
  64                OPCODE_ETH_GET_PPORT_STATS,
  65                CMD_SUBSYSTEM_ETH,
  66                BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
  67                BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
  68        },
  69        {
  70                OPCODE_COMMON_GET_PHY_DETAILS,
  71                CMD_SUBSYSTEM_COMMON,
  72                BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
  73                BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
  74        },
  75        {
  76                OPCODE_LOWLEVEL_HOST_DDR_DMA,
  77                CMD_SUBSYSTEM_LOWLEVEL,
  78                BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
  79        },
  80        {
  81                OPCODE_LOWLEVEL_LOOPBACK_TEST,
  82                CMD_SUBSYSTEM_LOWLEVEL,
  83                BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
  84        },
  85        {
  86                OPCODE_LOWLEVEL_SET_LOOPBACK_MODE,
  87                CMD_SUBSYSTEM_LOWLEVEL,
  88                BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
  89        },
  90        {
  91                OPCODE_COMMON_SET_HSW_CONFIG,
  92                CMD_SUBSYSTEM_COMMON,
  93                BE_PRIV_DEVCFG | BE_PRIV_VHADM |
  94                BE_PRIV_DEVSEC
  95        },
  96        {
  97                OPCODE_COMMON_GET_EXT_FAT_CAPABILITIES,
  98                CMD_SUBSYSTEM_COMMON,
  99                BE_PRIV_DEVCFG
 100        }
 101};
 102
 103static bool be_cmd_allowed(struct be_adapter *adapter, u8 opcode, u8 subsystem)
 104{
 105        int i;
 106        int num_entries = sizeof(cmd_priv_map)/sizeof(struct be_cmd_priv_map);
 107        u32 cmd_privileges = adapter->cmd_privileges;
 108
 109        for (i = 0; i < num_entries; i++)
 110                if (opcode == cmd_priv_map[i].opcode &&
 111                    subsystem == cmd_priv_map[i].subsystem)
 112                        if (!(cmd_privileges & cmd_priv_map[i].priv_mask))
 113                                return false;
 114
 115        return true;
 116}
 117
 118static inline void *embedded_payload(struct be_mcc_wrb *wrb)
 119{
 120        return wrb->payload.embedded_payload;
 121}
 122
 123static int be_mcc_notify(struct be_adapter *adapter)
 124{
 125        struct be_queue_info *mccq = &adapter->mcc_obj.q;
 126        u32 val = 0;
 127
 128        if (be_check_error(adapter, BE_ERROR_ANY))
 129                return -EIO;
 130
 131        val |= mccq->id & DB_MCCQ_RING_ID_MASK;
 132        val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT;
 133
 134        wmb();
 135        iowrite32(val, adapter->db + DB_MCCQ_OFFSET);
 136
 137        return 0;
 138}
 139
 140/* To check if valid bit is set, check the entire word as we don't know
 141 * the endianness of the data (old entry is host endian while a new entry is
 142 * little endian) */
 143static inline bool be_mcc_compl_is_new(struct be_mcc_compl *compl)
 144{
 145        u32 flags;
 146
 147        if (compl->flags != 0) {
 148                flags = le32_to_cpu(compl->flags);
 149                if (flags & CQE_FLAGS_VALID_MASK) {
 150                        compl->flags = flags;
 151                        return true;
 152                }
 153        }
 154        return false;
 155}
 156
 157/* Need to reset the entire word that houses the valid bit */
 158static inline void be_mcc_compl_use(struct be_mcc_compl *compl)
 159{
 160        compl->flags = 0;
 161}
 162
 163static struct be_cmd_resp_hdr *be_decode_resp_hdr(u32 tag0, u32 tag1)
 164{
 165        unsigned long addr;
 166
 167        addr = tag1;
 168        addr = ((addr << 16) << 16) | tag0;
 169        return (void *)addr;
 170}
 171
 172static bool be_skip_err_log(u8 opcode, u16 base_status, u16 addl_status)
 173{
 174        if (base_status == MCC_STATUS_NOT_SUPPORTED ||
 175            base_status == MCC_STATUS_ILLEGAL_REQUEST ||
 176            addl_status == MCC_ADDL_STATUS_TOO_MANY_INTERFACES ||
 177            addl_status == MCC_ADDL_STATUS_INSUFFICIENT_VLANS ||
 178            (opcode == OPCODE_COMMON_WRITE_FLASHROM &&
 179            (base_status == MCC_STATUS_ILLEGAL_FIELD ||
 180             addl_status == MCC_ADDL_STATUS_FLASH_IMAGE_CRC_MISMATCH)))
 181                return true;
 182        else
 183                return false;
 184}
 185
 186/* Place holder for all the async MCC cmds wherein the caller is not in a busy
 187 * loop (has not issued be_mcc_notify_wait())
 188 */
 189static void be_async_cmd_process(struct be_adapter *adapter,
 190                                 struct be_mcc_compl *compl,
 191                                 struct be_cmd_resp_hdr *resp_hdr)
 192{
 193        enum mcc_base_status base_status = base_status(compl->status);
 194        u8 opcode = 0, subsystem = 0;
 195
 196        if (resp_hdr) {
 197                opcode = resp_hdr->opcode;
 198                subsystem = resp_hdr->subsystem;
 199        }
 200
 201        if (opcode == OPCODE_LOWLEVEL_LOOPBACK_TEST &&
 202            subsystem == CMD_SUBSYSTEM_LOWLEVEL) {
 203                complete(&adapter->et_cmd_compl);
 204                return;
 205        }
 206
 207        if (opcode == OPCODE_LOWLEVEL_SET_LOOPBACK_MODE &&
 208            subsystem == CMD_SUBSYSTEM_LOWLEVEL) {
 209                complete(&adapter->et_cmd_compl);
 210                return;
 211        }
 212
 213        if ((opcode == OPCODE_COMMON_WRITE_FLASHROM ||
 214             opcode == OPCODE_COMMON_WRITE_OBJECT) &&
 215            subsystem == CMD_SUBSYSTEM_COMMON) {
 216                adapter->flash_status = compl->status;
 217                complete(&adapter->et_cmd_compl);
 218                return;
 219        }
 220
 221        if ((opcode == OPCODE_ETH_GET_STATISTICS ||
 222             opcode == OPCODE_ETH_GET_PPORT_STATS) &&
 223            subsystem == CMD_SUBSYSTEM_ETH &&
 224            base_status == MCC_STATUS_SUCCESS) {
 225                be_parse_stats(adapter);
 226                adapter->stats_cmd_sent = false;
 227                return;
 228        }
 229
 230        if (opcode == OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES &&
 231            subsystem == CMD_SUBSYSTEM_COMMON) {
 232                if (base_status == MCC_STATUS_SUCCESS) {
 233                        struct be_cmd_resp_get_cntl_addnl_attribs *resp =
 234                                                        (void *)resp_hdr;
 235                        adapter->hwmon_info.be_on_die_temp =
 236                                                resp->on_die_temperature;
 237                } else {
 238                        adapter->be_get_temp_freq = 0;
 239                        adapter->hwmon_info.be_on_die_temp =
 240                                                BE_INVALID_DIE_TEMP;
 241                }
 242                return;
 243        }
 244}
 245
 246static int be_mcc_compl_process(struct be_adapter *adapter,
 247                                struct be_mcc_compl *compl)
 248{
 249        enum mcc_base_status base_status;
 250        enum mcc_addl_status addl_status;
 251        struct be_cmd_resp_hdr *resp_hdr;
 252        u8 opcode = 0, subsystem = 0;
 253
 254        /* Just swap the status to host endian; mcc tag is opaquely copied
 255         * from mcc_wrb */
 256        be_dws_le_to_cpu(compl, 4);
 257
 258        base_status = base_status(compl->status);
 259        addl_status = addl_status(compl->status);
 260
 261        resp_hdr = be_decode_resp_hdr(compl->tag0, compl->tag1);
 262        if (resp_hdr) {
 263                opcode = resp_hdr->opcode;
 264                subsystem = resp_hdr->subsystem;
 265        }
 266
 267        be_async_cmd_process(adapter, compl, resp_hdr);
 268
 269        if (base_status != MCC_STATUS_SUCCESS &&
 270            !be_skip_err_log(opcode, base_status, addl_status)) {
 271                if (base_status == MCC_STATUS_UNAUTHORIZED_REQUEST ||
 272                    addl_status == MCC_ADDL_STATUS_INSUFFICIENT_PRIVILEGES) {
 273                        dev_warn(&adapter->pdev->dev,
 274                                 "VF is not privileged to issue opcode %d-%d\n",
 275                                 opcode, subsystem);
 276                } else {
 277                        dev_err(&adapter->pdev->dev,
 278                                "opcode %d-%d failed:status %d-%d\n",
 279                                opcode, subsystem, base_status, addl_status);
 280                }
 281        }
 282        return compl->status;
 283}
 284
 285/* Link state evt is a string of bytes; no need for endian swapping */
 286static void be_async_link_state_process(struct be_adapter *adapter,
 287                                        struct be_mcc_compl *compl)
 288{
 289        struct be_async_event_link_state *evt =
 290                        (struct be_async_event_link_state *)compl;
 291
 292        /* When link status changes, link speed must be re-queried from FW */
 293        adapter->phy.link_speed = -1;
 294
 295        /* On BEx the FW does not send a separate link status
 296         * notification for physical and logical link.
 297         * On other chips just process the logical link
 298         * status notification
 299         */
 300        if (!BEx_chip(adapter) &&
 301            !(evt->port_link_status & LOGICAL_LINK_STATUS_MASK))
 302                return;
 303
 304        /* For the initial link status do not rely on the ASYNC event as
 305         * it may not be received in some cases.
 306         */
 307        if (adapter->flags & BE_FLAGS_LINK_STATUS_INIT)
 308                be_link_status_update(adapter,
 309                                      evt->port_link_status & LINK_STATUS_MASK);
 310}
 311
 312static void be_async_port_misconfig_event_process(struct be_adapter *adapter,
 313                                                  struct be_mcc_compl *compl)
 314{
 315        struct be_async_event_misconfig_port *evt =
 316                        (struct be_async_event_misconfig_port *)compl;
 317        u32 sfp_misconfig_evt_word1 = le32_to_cpu(evt->event_data_word1);
 318        u32 sfp_misconfig_evt_word2 = le32_to_cpu(evt->event_data_word2);
 319        u8 phy_oper_state = PHY_STATE_OPER_MSG_NONE;
 320        struct device *dev = &adapter->pdev->dev;
 321        u8 msg_severity = DEFAULT_MSG_SEVERITY;
 322        u8 phy_state_info;
 323        u8 new_phy_state;
 324
 325        new_phy_state =
 326                (sfp_misconfig_evt_word1 >> (adapter->hba_port_num * 8)) & 0xff;
 327
 328        if (new_phy_state == adapter->phy_state)
 329                return;
 330
 331        adapter->phy_state = new_phy_state;
 332
 333        /* for older fw that doesn't populate link effect data */
 334        if (!sfp_misconfig_evt_word2)
 335                goto log_message;
 336
 337        phy_state_info =
 338                (sfp_misconfig_evt_word2 >> (adapter->hba_port_num * 8)) & 0xff;
 339
 340        if (phy_state_info & PHY_STATE_INFO_VALID) {
 341                msg_severity = (phy_state_info & PHY_STATE_MSG_SEVERITY) >> 1;
 342
 343                if (be_phy_unqualified(new_phy_state))
 344                        phy_oper_state = (phy_state_info & PHY_STATE_OPER);
 345        }
 346
 347log_message:
 348        /* Log an error message that would allow a user to determine
 349         * whether the SFPs have an issue
 350         */
 351        if (be_phy_state_unknown(new_phy_state))
 352                dev_printk(be_port_misconfig_evt_severity[msg_severity], dev,
 353                           "Port %c: Unrecognized Optics state: 0x%x. %s",
 354                           adapter->port_name,
 355                           new_phy_state,
 356                           phy_state_oper_desc[phy_oper_state]);
 357        else
 358                dev_printk(be_port_misconfig_evt_severity[msg_severity], dev,
 359                           "Port %c: %s %s",
 360                           adapter->port_name,
 361                           be_misconfig_evt_port_state[new_phy_state],
 362                           phy_state_oper_desc[phy_oper_state]);
 363
 364        /* Log Vendor name and part no. if a misconfigured SFP is detected */
 365        if (be_phy_misconfigured(new_phy_state))
 366                adapter->flags |= BE_FLAGS_PHY_MISCONFIGURED;
 367}
 368
 369/* Grp5 CoS Priority evt */
 370static void be_async_grp5_cos_priority_process(struct be_adapter *adapter,
 371                                               struct be_mcc_compl *compl)
 372{
 373        struct be_async_event_grp5_cos_priority *evt =
 374                        (struct be_async_event_grp5_cos_priority *)compl;
 375
 376        if (evt->valid) {
 377                adapter->vlan_prio_bmap = evt->available_priority_bmap;
 378                adapter->recommended_prio_bits =
 379                        evt->reco_default_priority << VLAN_PRIO_SHIFT;
 380        }
 381}
 382
 383/* Grp5 QOS Speed evt: qos_link_speed is in units of 10 Mbps */
 384static void be_async_grp5_qos_speed_process(struct be_adapter *adapter,
 385                                            struct be_mcc_compl *compl)
 386{
 387        struct be_async_event_grp5_qos_link_speed *evt =
 388                        (struct be_async_event_grp5_qos_link_speed *)compl;
 389
 390        if (adapter->phy.link_speed >= 0 &&
 391            evt->physical_port == adapter->port_num)
 392                adapter->phy.link_speed = le16_to_cpu(evt->qos_link_speed) * 10;
 393}
 394
 395/*Grp5 PVID evt*/
 396static void be_async_grp5_pvid_state_process(struct be_adapter *adapter,
 397                                             struct be_mcc_compl *compl)
 398{
 399        struct be_async_event_grp5_pvid_state *evt =
 400                        (struct be_async_event_grp5_pvid_state *)compl;
 401
 402        if (evt->enabled) {
 403                adapter->pvid = le16_to_cpu(evt->tag) & VLAN_VID_MASK;
 404                dev_info(&adapter->pdev->dev, "LPVID: %d\n", adapter->pvid);
 405        } else {
 406                adapter->pvid = 0;
 407        }
 408}
 409
 410#define MGMT_ENABLE_MASK        0x4
 411static void be_async_grp5_fw_control_process(struct be_adapter *adapter,
 412                                             struct be_mcc_compl *compl)
 413{
 414        struct be_async_fw_control *evt = (struct be_async_fw_control *)compl;
 415        u32 evt_dw1 = le32_to_cpu(evt->event_data_word1);
 416
 417        if (evt_dw1 & MGMT_ENABLE_MASK) {
 418                adapter->flags |= BE_FLAGS_OS2BMC;
 419                adapter->bmc_filt_mask = le32_to_cpu(evt->event_data_word2);
 420        } else {
 421                adapter->flags &= ~BE_FLAGS_OS2BMC;
 422        }
 423}
 424
 425static void be_async_grp5_evt_process(struct be_adapter *adapter,
 426                                      struct be_mcc_compl *compl)
 427{
 428        u8 event_type = (compl->flags >> ASYNC_EVENT_TYPE_SHIFT) &
 429                                ASYNC_EVENT_TYPE_MASK;
 430
 431        switch (event_type) {
 432        case ASYNC_EVENT_COS_PRIORITY:
 433                be_async_grp5_cos_priority_process(adapter, compl);
 434                break;
 435        case ASYNC_EVENT_QOS_SPEED:
 436                be_async_grp5_qos_speed_process(adapter, compl);
 437                break;
 438        case ASYNC_EVENT_PVID_STATE:
 439                be_async_grp5_pvid_state_process(adapter, compl);
 440                break;
 441        /* Async event to disable/enable os2bmc and/or mac-learning */
 442        case ASYNC_EVENT_FW_CONTROL:
 443                be_async_grp5_fw_control_process(adapter, compl);
 444                break;
 445        default:
 446                break;
 447        }
 448}
 449
 450static void be_async_dbg_evt_process(struct be_adapter *adapter,
 451                                     struct be_mcc_compl *cmp)
 452{
 453        u8 event_type = 0;
 454        struct be_async_event_qnq *evt = (struct be_async_event_qnq *)cmp;
 455
 456        event_type = (cmp->flags >> ASYNC_EVENT_TYPE_SHIFT) &
 457                        ASYNC_EVENT_TYPE_MASK;
 458
 459        switch (event_type) {
 460        case ASYNC_DEBUG_EVENT_TYPE_QNQ:
 461                if (evt->valid)
 462                        adapter->qnq_vid = le16_to_cpu(evt->vlan_tag);
 463                adapter->flags |= BE_FLAGS_QNQ_ASYNC_EVT_RCVD;
 464        break;
 465        default:
 466                dev_warn(&adapter->pdev->dev, "Unknown debug event 0x%x!\n",
 467                         event_type);
 468        break;
 469        }
 470}
 471
 472static void be_async_sliport_evt_process(struct be_adapter *adapter,
 473                                         struct be_mcc_compl *cmp)
 474{
 475        u8 event_type = (cmp->flags >> ASYNC_EVENT_TYPE_SHIFT) &
 476                        ASYNC_EVENT_TYPE_MASK;
 477
 478        if (event_type == ASYNC_EVENT_PORT_MISCONFIG)
 479                be_async_port_misconfig_event_process(adapter, cmp);
 480}
 481
 482static inline bool is_link_state_evt(u32 flags)
 483{
 484        return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
 485                        ASYNC_EVENT_CODE_LINK_STATE;
 486}
 487
 488static inline bool is_grp5_evt(u32 flags)
 489{
 490        return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
 491                        ASYNC_EVENT_CODE_GRP_5;
 492}
 493
 494static inline bool is_dbg_evt(u32 flags)
 495{
 496        return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
 497                        ASYNC_EVENT_CODE_QNQ;
 498}
 499
 500static inline bool is_sliport_evt(u32 flags)
 501{
 502        return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
 503                ASYNC_EVENT_CODE_SLIPORT;
 504}
 505
 506static void be_mcc_event_process(struct be_adapter *adapter,
 507                                 struct be_mcc_compl *compl)
 508{
 509        if (is_link_state_evt(compl->flags))
 510                be_async_link_state_process(adapter, compl);
 511        else if (is_grp5_evt(compl->flags))
 512                be_async_grp5_evt_process(adapter, compl);
 513        else if (is_dbg_evt(compl->flags))
 514                be_async_dbg_evt_process(adapter, compl);
 515        else if (is_sliport_evt(compl->flags))
 516                be_async_sliport_evt_process(adapter, compl);
 517}
 518
 519static struct be_mcc_compl *be_mcc_compl_get(struct be_adapter *adapter)
 520{
 521        struct be_queue_info *mcc_cq = &adapter->mcc_obj.cq;
 522        struct be_mcc_compl *compl = queue_tail_node(mcc_cq);
 523
 524        if (be_mcc_compl_is_new(compl)) {
 525                queue_tail_inc(mcc_cq);
 526                return compl;
 527        }
 528        return NULL;
 529}
 530
 531void be_async_mcc_enable(struct be_adapter *adapter)
 532{
 533        spin_lock_bh(&adapter->mcc_cq_lock);
 534
 535        be_cq_notify(adapter, adapter->mcc_obj.cq.id, true, 0);
 536        adapter->mcc_obj.rearm_cq = true;
 537
 538        spin_unlock_bh(&adapter->mcc_cq_lock);
 539}
 540
 541void be_async_mcc_disable(struct be_adapter *adapter)
 542{
 543        spin_lock_bh(&adapter->mcc_cq_lock);
 544
 545        adapter->mcc_obj.rearm_cq = false;
 546        be_cq_notify(adapter, adapter->mcc_obj.cq.id, false, 0);
 547
 548        spin_unlock_bh(&adapter->mcc_cq_lock);
 549}
 550
 551int be_process_mcc(struct be_adapter *adapter)
 552{
 553        struct be_mcc_compl *compl;
 554        int num = 0, status = 0;
 555        struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
 556
 557        spin_lock(&adapter->mcc_cq_lock);
 558
 559        while ((compl = be_mcc_compl_get(adapter))) {
 560                if (compl->flags & CQE_FLAGS_ASYNC_MASK) {
 561                        be_mcc_event_process(adapter, compl);
 562                } else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) {
 563                        status = be_mcc_compl_process(adapter, compl);
 564                        atomic_dec(&mcc_obj->q.used);
 565                }
 566                be_mcc_compl_use(compl);
 567                num++;
 568        }
 569
 570        if (num)
 571                be_cq_notify(adapter, mcc_obj->cq.id, mcc_obj->rearm_cq, num);
 572
 573        spin_unlock(&adapter->mcc_cq_lock);
 574        return status;
 575}
 576
 577/* Wait till no more pending mcc requests are present */
 578static int be_mcc_wait_compl(struct be_adapter *adapter)
 579{
 580#define mcc_timeout             12000 /* 12s timeout */
 581        int i, status = 0;
 582        struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
 583
 584        for (i = 0; i < mcc_timeout; i++) {
 585                if (be_check_error(adapter, BE_ERROR_ANY))
 586                        return -EIO;
 587
 588                local_bh_disable();
 589                status = be_process_mcc(adapter);
 590                local_bh_enable();
 591
 592                if (atomic_read(&mcc_obj->q.used) == 0)
 593                        break;
 594                usleep_range(500, 1000);
 595        }
 596        if (i == mcc_timeout) {
 597                dev_err(&adapter->pdev->dev, "FW not responding\n");
 598                be_set_error(adapter, BE_ERROR_FW);
 599                return -EIO;
 600        }
 601        return status;
 602}
 603
 604/* Notify MCC requests and wait for completion */
 605static int be_mcc_notify_wait(struct be_adapter *adapter)
 606{
 607        int status;
 608        struct be_mcc_wrb *wrb;
 609        struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
 610        u32 index = mcc_obj->q.head;
 611        struct be_cmd_resp_hdr *resp;
 612
 613        index_dec(&index, mcc_obj->q.len);
 614        wrb = queue_index_node(&mcc_obj->q, index);
 615
 616        resp = be_decode_resp_hdr(wrb->tag0, wrb->tag1);
 617
 618        status = be_mcc_notify(adapter);
 619        if (status)
 620                goto out;
 621
 622        status = be_mcc_wait_compl(adapter);
 623        if (status == -EIO)
 624                goto out;
 625
 626        status = (resp->base_status |
 627                  ((resp->addl_status & CQE_ADDL_STATUS_MASK) <<
 628                   CQE_ADDL_STATUS_SHIFT));
 629out:
 630        return status;
 631}
 632
 633static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
 634{
 635        int msecs = 0;
 636        u32 ready;
 637
 638        do {
 639                if (be_check_error(adapter, BE_ERROR_ANY))
 640                        return -EIO;
 641
 642                ready = ioread32(db);
 643                if (ready == 0xffffffff)
 644                        return -1;
 645
 646                ready &= MPU_MAILBOX_DB_RDY_MASK;
 647                if (ready)
 648                        break;
 649
 650                if (msecs > 4000) {
 651                        dev_err(&adapter->pdev->dev, "FW not responding\n");
 652                        be_set_error(adapter, BE_ERROR_FW);
 653                        be_detect_error(adapter);
 654                        return -1;
 655                }
 656
 657                msleep(1);
 658                msecs++;
 659        } while (true);
 660
 661        return 0;
 662}
 663
 664/*
 665 * Insert the mailbox address into the doorbell in two steps
 666 * Polls on the mbox doorbell till a command completion (or a timeout) occurs
 667 */
 668static int be_mbox_notify_wait(struct be_adapter *adapter)
 669{
 670        int status;
 671        u32 val = 0;
 672        void __iomem *db = adapter->db + MPU_MAILBOX_DB_OFFSET;
 673        struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
 674        struct be_mcc_mailbox *mbox = mbox_mem->va;
 675        struct be_mcc_compl *compl = &mbox->compl;
 676
 677        /* wait for ready to be set */
 678        status = be_mbox_db_ready_wait(adapter, db);
 679        if (status != 0)
 680                return status;
 681
 682        val |= MPU_MAILBOX_DB_HI_MASK;
 683        /* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */
 684        val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2;
 685        iowrite32(val, db);
 686
 687        /* wait for ready to be set */
 688        status = be_mbox_db_ready_wait(adapter, db);
 689        if (status != 0)
 690                return status;
 691
 692        val = 0;
 693        /* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */
 694        val |= (u32)(mbox_mem->dma >> 4) << 2;
 695        iowrite32(val, db);
 696
 697        status = be_mbox_db_ready_wait(adapter, db);
 698        if (status != 0)
 699                return status;
 700
 701        /* A cq entry has been made now */
 702        if (be_mcc_compl_is_new(compl)) {
 703                status = be_mcc_compl_process(adapter, &mbox->compl);
 704                be_mcc_compl_use(compl);
 705                if (status)
 706                        return status;
 707        } else {
 708                dev_err(&adapter->pdev->dev, "invalid mailbox completion\n");
 709                return -1;
 710        }
 711        return 0;
 712}
 713
 714u16 be_POST_stage_get(struct be_adapter *adapter)
 715{
 716        u32 sem;
 717
 718        if (BEx_chip(adapter))
 719                sem  = ioread32(adapter->csr + SLIPORT_SEMAPHORE_OFFSET_BEx);
 720        else
 721                pci_read_config_dword(adapter->pdev,
 722                                      SLIPORT_SEMAPHORE_OFFSET_SH, &sem);
 723
 724        return sem & POST_STAGE_MASK;
 725}
 726
 727static int lancer_wait_ready(struct be_adapter *adapter)
 728{
 729#define SLIPORT_READY_TIMEOUT 30
 730        u32 sliport_status;
 731        int i;
 732
 733        for (i = 0; i < SLIPORT_READY_TIMEOUT; i++) {
 734                sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);
 735                if (sliport_status & SLIPORT_STATUS_RDY_MASK)
 736                        return 0;
 737
 738                if (sliport_status & SLIPORT_STATUS_ERR_MASK &&
 739                    !(sliport_status & SLIPORT_STATUS_RN_MASK))
 740                        return -EIO;
 741
 742                msleep(1000);
 743        }
 744
 745        return sliport_status ? : -1;
 746}
 747
 748int be_fw_wait_ready(struct be_adapter *adapter)
 749{
 750        u16 stage;
 751        int status, timeout = 0;
 752        struct device *dev = &adapter->pdev->dev;
 753
 754        if (lancer_chip(adapter)) {
 755                status = lancer_wait_ready(adapter);
 756                if (status) {
 757                        stage = status;
 758                        goto err;
 759                }
 760                return 0;
 761        }
 762
 763        do {
 764                /* There's no means to poll POST state on BE2/3 VFs */
 765                if (BEx_chip(adapter) && be_virtfn(adapter))
 766                        return 0;
 767
 768                stage = be_POST_stage_get(adapter);
 769                if (stage == POST_STAGE_ARMFW_RDY)
 770                        return 0;
 771
 772                dev_info(dev, "Waiting for POST, %ds elapsed\n", timeout);
 773                if (msleep_interruptible(2000)) {
 774                        dev_err(dev, "Waiting for POST aborted\n");
 775                        return -EINTR;
 776                }
 777                timeout += 2;
 778        } while (timeout < 60);
 779
 780err:
 781        dev_err(dev, "POST timeout; stage=%#x\n", stage);
 782        return -ETIMEDOUT;
 783}
 784
 785static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
 786{
 787        return &wrb->payload.sgl[0];
 788}
 789
 790static inline void fill_wrb_tags(struct be_mcc_wrb *wrb, unsigned long addr)
 791{
 792        wrb->tag0 = addr & 0xFFFFFFFF;
 793        wrb->tag1 = upper_32_bits(addr);
 794}
 795
 796/* Don't touch the hdr after it's prepared */
 797/* mem will be NULL for embedded commands */
 798static void be_wrb_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
 799                                   u8 subsystem, u8 opcode, int cmd_len,
 800                                   struct be_mcc_wrb *wrb,
 801                                   struct be_dma_mem *mem)
 802{
 803        struct be_sge *sge;
 804
 805        req_hdr->opcode = opcode;
 806        req_hdr->subsystem = subsystem;
 807        req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr));
 808        req_hdr->version = 0;
 809        fill_wrb_tags(wrb, (ulong) req_hdr);
 810        wrb->payload_length = cmd_len;
 811        if (mem) {
 812                wrb->embedded |= (1 & MCC_WRB_SGE_CNT_MASK) <<
 813                        MCC_WRB_SGE_CNT_SHIFT;
 814                sge = nonembedded_sgl(wrb);
 815                sge->pa_hi = cpu_to_le32(upper_32_bits(mem->dma));
 816                sge->pa_lo = cpu_to_le32(mem->dma & 0xFFFFFFFF);
 817                sge->len = cpu_to_le32(mem->size);
 818        } else
 819                wrb->embedded |= MCC_WRB_EMBEDDED_MASK;
 820        be_dws_cpu_to_le(wrb, 8);
 821}
 822
 823static void be_cmd_page_addrs_prepare(struct phys_addr *pages, u32 max_pages,
 824                                      struct be_dma_mem *mem)
 825{
 826        int i, buf_pages = min(PAGES_4K_SPANNED(mem->va, mem->size), max_pages);
 827        u64 dma = (u64)mem->dma;
 828
 829        for (i = 0; i < buf_pages; i++) {
 830                pages[i].lo = cpu_to_le32(dma & 0xFFFFFFFF);
 831                pages[i].hi = cpu_to_le32(upper_32_bits(dma));
 832                dma += PAGE_SIZE_4K;
 833        }
 834}
 835
 836static inline struct be_mcc_wrb *wrb_from_mbox(struct be_adapter *adapter)
 837{
 838        struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
 839        struct be_mcc_wrb *wrb
 840                = &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;
 841        memset(wrb, 0, sizeof(*wrb));
 842        return wrb;
 843}
 844
 845static struct be_mcc_wrb *wrb_from_mccq(struct be_adapter *adapter)
 846{
 847        struct be_queue_info *mccq = &adapter->mcc_obj.q;
 848        struct be_mcc_wrb *wrb;
 849
 850        if (!mccq->created)
 851                return NULL;
 852
 853        if (atomic_read(&mccq->used) >= mccq->len)
 854                return NULL;
 855
 856        wrb = queue_head_node(mccq);
 857        queue_head_inc(mccq);
 858        atomic_inc(&mccq->used);
 859        memset(wrb, 0, sizeof(*wrb));
 860        return wrb;
 861}
 862
 863static bool use_mcc(struct be_adapter *adapter)
 864{
 865        return adapter->mcc_obj.q.created;
 866}
 867
 868/* Must be used only in process context */
 869static int be_cmd_lock(struct be_adapter *adapter)
 870{
 871        if (use_mcc(adapter)) {
 872                mutex_lock(&adapter->mcc_lock);
 873                return 0;
 874        } else {
 875                return mutex_lock_interruptible(&adapter->mbox_lock);
 876        }
 877}
 878
 879/* Must be used only in process context */
 880static void be_cmd_unlock(struct be_adapter *adapter)
 881{
 882        if (use_mcc(adapter))
 883                return mutex_unlock(&adapter->mcc_lock);
 884        else
 885                return mutex_unlock(&adapter->mbox_lock);
 886}
 887
 888static struct be_mcc_wrb *be_cmd_copy(struct be_adapter *adapter,
 889                                      struct be_mcc_wrb *wrb)
 890{
 891        struct be_mcc_wrb *dest_wrb;
 892
 893        if (use_mcc(adapter)) {
 894                dest_wrb = wrb_from_mccq(adapter);
 895                if (!dest_wrb)
 896                        return NULL;
 897        } else {
 898                dest_wrb = wrb_from_mbox(adapter);
 899        }
 900
 901        memcpy(dest_wrb, wrb, sizeof(*wrb));
 902        if (wrb->embedded & cpu_to_le32(MCC_WRB_EMBEDDED_MASK))
 903                fill_wrb_tags(dest_wrb, (ulong) embedded_payload(wrb));
 904
 905        return dest_wrb;
 906}
 907
 908/* Must be used only in process context */
 909static int be_cmd_notify_wait(struct be_adapter *adapter,
 910                              struct be_mcc_wrb *wrb)
 911{
 912        struct be_mcc_wrb *dest_wrb;
 913        int status;
 914
 915        status = be_cmd_lock(adapter);
 916        if (status)
 917                return status;
 918
 919        dest_wrb = be_cmd_copy(adapter, wrb);
 920        if (!dest_wrb) {
 921                status = -EBUSY;
 922                goto unlock;
 923        }
 924
 925        if (use_mcc(adapter))
 926                status = be_mcc_notify_wait(adapter);
 927        else
 928                status = be_mbox_notify_wait(adapter);
 929
 930        if (!status)
 931                memcpy(wrb, dest_wrb, sizeof(*wrb));
 932
 933unlock:
 934        be_cmd_unlock(adapter);
 935        return status;
 936}
 937
 938/* Tell fw we're about to start firing cmds by writing a
 939 * special pattern across the wrb hdr; uses mbox
 940 */
 941int be_cmd_fw_init(struct be_adapter *adapter)
 942{
 943        u8 *wrb;
 944        int status;
 945
 946        if (lancer_chip(adapter))
 947                return 0;
 948
 949        if (mutex_lock_interruptible(&adapter->mbox_lock))
 950                return -1;
 951
 952        wrb = (u8 *)wrb_from_mbox(adapter);
 953        *wrb++ = 0xFF;
 954        *wrb++ = 0x12;
 955        *wrb++ = 0x34;
 956        *wrb++ = 0xFF;
 957        *wrb++ = 0xFF;
 958        *wrb++ = 0x56;
 959        *wrb++ = 0x78;
 960        *wrb = 0xFF;
 961
 962        status = be_mbox_notify_wait(adapter);
 963
 964        mutex_unlock(&adapter->mbox_lock);
 965        return status;
 966}
 967
 968/* Tell fw we're done with firing cmds by writing a
 969 * special pattern across the wrb hdr; uses mbox
 970 */
 971int be_cmd_fw_clean(struct be_adapter *adapter)
 972{
 973        u8 *wrb;
 974        int status;
 975
 976        if (lancer_chip(adapter))
 977                return 0;
 978
 979        if (mutex_lock_interruptible(&adapter->mbox_lock))
 980                return -1;
 981
 982        wrb = (u8 *)wrb_from_mbox(adapter);
 983        *wrb++ = 0xFF;
 984        *wrb++ = 0xAA;
 985        *wrb++ = 0xBB;
 986        *wrb++ = 0xFF;
 987        *wrb++ = 0xFF;
 988        *wrb++ = 0xCC;
 989        *wrb++ = 0xDD;
 990        *wrb = 0xFF;
 991
 992        status = be_mbox_notify_wait(adapter);
 993
 994        mutex_unlock(&adapter->mbox_lock);
 995        return status;
 996}
 997
 998int be_cmd_eq_create(struct be_adapter *adapter, struct be_eq_obj *eqo)
 999{
1000        struct be_mcc_wrb *wrb;
1001        struct be_cmd_req_eq_create *req;
1002        struct be_dma_mem *q_mem = &eqo->q.dma_mem;
1003        int status, ver = 0;
1004
1005        if (mutex_lock_interruptible(&adapter->mbox_lock))
1006                return -1;
1007
1008        wrb = wrb_from_mbox(adapter);
1009        req = embedded_payload(wrb);
1010
1011        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1012                               OPCODE_COMMON_EQ_CREATE, sizeof(*req), wrb,
1013                               NULL);
1014
1015        /* Support for EQ_CREATEv2 available only SH-R onwards */
1016        if (!(BEx_chip(adapter) || lancer_chip(adapter)))
1017                ver = 2;
1018
1019        req->hdr.version = ver;
1020        req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1021
1022        AMAP_SET_BITS(struct amap_eq_context, valid, req->context, 1);
1023        /* 4byte eqe*/
1024        AMAP_SET_BITS(struct amap_eq_context, size, req->context, 0);
1025        AMAP_SET_BITS(struct amap_eq_context, count, req->context,
1026                      __ilog2_u32(eqo->q.len / 256));
1027        be_dws_cpu_to_le(req->context, sizeof(req->context));
1028
1029        be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1030
1031        status = be_mbox_notify_wait(adapter);
1032        if (!status) {
1033                struct be_cmd_resp_eq_create *resp = embedded_payload(wrb);
1034
1035                eqo->q.id = le16_to_cpu(resp->eq_id);
1036                eqo->msix_idx =
1037                        (ver == 2) ? le16_to_cpu(resp->msix_idx) : eqo->idx;
1038                eqo->q.created = true;
1039        }
1040
1041        mutex_unlock(&adapter->mbox_lock);
1042        return status;
1043}
1044
1045/* Use MCC */
1046int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,
1047                          bool permanent, u32 if_handle, u32 pmac_id)
1048{
1049        struct be_mcc_wrb *wrb;
1050        struct be_cmd_req_mac_query *req;
1051        int status;
1052
1053        mutex_lock(&adapter->mcc_lock);
1054
1055        wrb = wrb_from_mccq(adapter);
1056        if (!wrb) {
1057                status = -EBUSY;
1058                goto err;
1059        }
1060        req = embedded_payload(wrb);
1061
1062        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1063                               OPCODE_COMMON_NTWK_MAC_QUERY, sizeof(*req), wrb,
1064                               NULL);
1065        req->type = MAC_ADDRESS_TYPE_NETWORK;
1066        if (permanent) {
1067                req->permanent = 1;
1068        } else {
1069                req->if_id = cpu_to_le16((u16)if_handle);
1070                req->pmac_id = cpu_to_le32(pmac_id);
1071                req->permanent = 0;
1072        }
1073
1074        status = be_mcc_notify_wait(adapter);
1075        if (!status) {
1076                struct be_cmd_resp_mac_query *resp = embedded_payload(wrb);
1077
1078                memcpy(mac_addr, resp->mac.addr, ETH_ALEN);
1079        }
1080
1081err:
1082        mutex_unlock(&adapter->mcc_lock);
1083        return status;
1084}
1085
1086/* Uses synchronous MCCQ */
1087int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr,
1088                    u32 if_id, u32 *pmac_id, u32 domain)
1089{
1090        struct be_mcc_wrb *wrb;
1091        struct be_cmd_req_pmac_add *req;
1092        int status;
1093
1094        mutex_lock(&adapter->mcc_lock);
1095
1096        wrb = wrb_from_mccq(adapter);
1097        if (!wrb) {
1098                status = -EBUSY;
1099                goto err;
1100        }
1101        req = embedded_payload(wrb);
1102
1103        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1104                               OPCODE_COMMON_NTWK_PMAC_ADD, sizeof(*req), wrb,
1105                               NULL);
1106
1107        req->hdr.domain = domain;
1108        req->if_id = cpu_to_le32(if_id);
1109        memcpy(req->mac_address, mac_addr, ETH_ALEN);
1110
1111        status = be_mcc_notify_wait(adapter);
1112        if (!status) {
1113                struct be_cmd_resp_pmac_add *resp = embedded_payload(wrb);
1114
1115                *pmac_id = le32_to_cpu(resp->pmac_id);
1116        }
1117
1118err:
1119        mutex_unlock(&adapter->mcc_lock);
1120
1121         if (status == MCC_STATUS_UNAUTHORIZED_REQUEST)
1122                status = -EPERM;
1123
1124        return status;
1125}
1126
1127/* Uses synchronous MCCQ */
1128int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, int pmac_id, u32 dom)
1129{
1130        struct be_mcc_wrb *wrb;
1131        struct be_cmd_req_pmac_del *req;
1132        int status;
1133
1134        if (pmac_id == -1)
1135                return 0;
1136
1137        mutex_lock(&adapter->mcc_lock);
1138
1139        wrb = wrb_from_mccq(adapter);
1140        if (!wrb) {
1141                status = -EBUSY;
1142                goto err;
1143        }
1144        req = embedded_payload(wrb);
1145
1146        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1147                               OPCODE_COMMON_NTWK_PMAC_DEL, sizeof(*req),
1148                               wrb, NULL);
1149
1150        req->hdr.domain = dom;
1151        req->if_id = cpu_to_le32(if_id);
1152        req->pmac_id = cpu_to_le32(pmac_id);
1153
1154        status = be_mcc_notify_wait(adapter);
1155
1156err:
1157        mutex_unlock(&adapter->mcc_lock);
1158        return status;
1159}
1160
1161/* Uses Mbox */
1162int be_cmd_cq_create(struct be_adapter *adapter, struct be_queue_info *cq,
1163                     struct be_queue_info *eq, bool no_delay, int coalesce_wm)
1164{
1165        struct be_mcc_wrb *wrb;
1166        struct be_cmd_req_cq_create *req;
1167        struct be_dma_mem *q_mem = &cq->dma_mem;
1168        void *ctxt;
1169        int status;
1170
1171        if (mutex_lock_interruptible(&adapter->mbox_lock))
1172                return -1;
1173
1174        wrb = wrb_from_mbox(adapter);
1175        req = embedded_payload(wrb);
1176        ctxt = &req->context;
1177
1178        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1179                               OPCODE_COMMON_CQ_CREATE, sizeof(*req), wrb,
1180                               NULL);
1181
1182        req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1183
1184        if (BEx_chip(adapter)) {
1185                AMAP_SET_BITS(struct amap_cq_context_be, coalescwm, ctxt,
1186                              coalesce_wm);
1187                AMAP_SET_BITS(struct amap_cq_context_be, nodelay,
1188                              ctxt, no_delay);
1189                AMAP_SET_BITS(struct amap_cq_context_be, count, ctxt,
1190                              __ilog2_u32(cq->len / 256));
1191                AMAP_SET_BITS(struct amap_cq_context_be, valid, ctxt, 1);
1192                AMAP_SET_BITS(struct amap_cq_context_be, eventable, ctxt, 1);
1193                AMAP_SET_BITS(struct amap_cq_context_be, eqid, ctxt, eq->id);
1194        } else {
1195                req->hdr.version = 2;
1196                req->page_size = 1; /* 1 for 4K */
1197
1198                /* coalesce-wm field in this cmd is not relevant to Lancer.
1199                 * Lancer uses COMMON_MODIFY_CQ to set this field
1200                 */
1201                if (!lancer_chip(adapter))
1202                        AMAP_SET_BITS(struct amap_cq_context_v2, coalescwm,
1203                                      ctxt, coalesce_wm);
1204                AMAP_SET_BITS(struct amap_cq_context_v2, nodelay, ctxt,
1205                              no_delay);
1206                AMAP_SET_BITS(struct amap_cq_context_v2, count, ctxt,
1207                              __ilog2_u32(cq->len / 256));
1208                AMAP_SET_BITS(struct amap_cq_context_v2, valid, ctxt, 1);
1209                AMAP_SET_BITS(struct amap_cq_context_v2, eventable, ctxt, 1);
1210                AMAP_SET_BITS(struct amap_cq_context_v2, eqid, ctxt, eq->id);
1211        }
1212
1213        be_dws_cpu_to_le(ctxt, sizeof(req->context));
1214
1215        be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1216
1217        status = be_mbox_notify_wait(adapter);
1218        if (!status) {
1219                struct be_cmd_resp_cq_create *resp = embedded_payload(wrb);
1220
1221                cq->id = le16_to_cpu(resp->cq_id);
1222                cq->created = true;
1223        }
1224
1225        mutex_unlock(&adapter->mbox_lock);
1226
1227        return status;
1228}
1229
1230static u32 be_encoded_q_len(int q_len)
1231{
1232        u32 len_encoded = fls(q_len); /* log2(len) + 1 */
1233
1234        if (len_encoded == 16)
1235                len_encoded = 0;
1236        return len_encoded;
1237}
1238
1239static int be_cmd_mccq_ext_create(struct be_adapter *adapter,
1240                                  struct be_queue_info *mccq,
1241                                  struct be_queue_info *cq)
1242{
1243        struct be_mcc_wrb *wrb;
1244        struct be_cmd_req_mcc_ext_create *req;
1245        struct be_dma_mem *q_mem = &mccq->dma_mem;
1246        void *ctxt;
1247        int status;
1248
1249        if (mutex_lock_interruptible(&adapter->mbox_lock))
1250                return -1;
1251
1252        wrb = wrb_from_mbox(adapter);
1253        req = embedded_payload(wrb);
1254        ctxt = &req->context;
1255
1256        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1257                               OPCODE_COMMON_MCC_CREATE_EXT, sizeof(*req), wrb,
1258                               NULL);
1259
1260        req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1261        if (BEx_chip(adapter)) {
1262                AMAP_SET_BITS(struct amap_mcc_context_be, valid, ctxt, 1);
1263                AMAP_SET_BITS(struct amap_mcc_context_be, ring_size, ctxt,
1264                              be_encoded_q_len(mccq->len));
1265                AMAP_SET_BITS(struct amap_mcc_context_be, cq_id, ctxt, cq->id);
1266        } else {
1267                req->hdr.version = 1;
1268                req->cq_id = cpu_to_le16(cq->id);
1269
1270                AMAP_SET_BITS(struct amap_mcc_context_v1, ring_size, ctxt,
1271                              be_encoded_q_len(mccq->len));
1272                AMAP_SET_BITS(struct amap_mcc_context_v1, valid, ctxt, 1);
1273                AMAP_SET_BITS(struct amap_mcc_context_v1, async_cq_id,
1274                              ctxt, cq->id);
1275                AMAP_SET_BITS(struct amap_mcc_context_v1, async_cq_valid,
1276                              ctxt, 1);
1277        }
1278
1279        /* Subscribe to Link State, Sliport Event and Group 5 Events
1280         * (bits 1, 5 and 17 set)
1281         */
1282        req->async_event_bitmap[0] =
1283                        cpu_to_le32(BIT(ASYNC_EVENT_CODE_LINK_STATE) |
1284                                    BIT(ASYNC_EVENT_CODE_GRP_5) |
1285                                    BIT(ASYNC_EVENT_CODE_QNQ) |
1286                                    BIT(ASYNC_EVENT_CODE_SLIPORT));
1287
1288        be_dws_cpu_to_le(ctxt, sizeof(req->context));
1289
1290        be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1291
1292        status = be_mbox_notify_wait(adapter);
1293        if (!status) {
1294                struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);
1295
1296                mccq->id = le16_to_cpu(resp->id);
1297                mccq->created = true;
1298        }
1299        mutex_unlock(&adapter->mbox_lock);
1300
1301        return status;
1302}
1303
1304static int be_cmd_mccq_org_create(struct be_adapter *adapter,
1305                                  struct be_queue_info *mccq,
1306                                  struct be_queue_info *cq)
1307{
1308        struct be_mcc_wrb *wrb;
1309        struct be_cmd_req_mcc_create *req;
1310        struct be_dma_mem *q_mem = &mccq->dma_mem;
1311        void *ctxt;
1312        int status;
1313
1314        if (mutex_lock_interruptible(&adapter->mbox_lock))
1315                return -1;
1316
1317        wrb = wrb_from_mbox(adapter);
1318        req = embedded_payload(wrb);
1319        ctxt = &req->context;
1320
1321        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1322                               OPCODE_COMMON_MCC_CREATE, sizeof(*req), wrb,
1323                               NULL);
1324
1325        req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1326
1327        AMAP_SET_BITS(struct amap_mcc_context_be, valid, ctxt, 1);
1328        AMAP_SET_BITS(struct amap_mcc_context_be, ring_size, ctxt,
1329                      be_encoded_q_len(mccq->len));
1330        AMAP_SET_BITS(struct amap_mcc_context_be, cq_id, ctxt, cq->id);
1331
1332        be_dws_cpu_to_le(ctxt, sizeof(req->context));
1333
1334        be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1335
1336        status = be_mbox_notify_wait(adapter);
1337        if (!status) {
1338                struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);
1339
1340                mccq->id = le16_to_cpu(resp->id);
1341                mccq->created = true;
1342        }
1343
1344        mutex_unlock(&adapter->mbox_lock);
1345        return status;
1346}
1347
1348int be_cmd_mccq_create(struct be_adapter *adapter,
1349                       struct be_queue_info *mccq, struct be_queue_info *cq)
1350{
1351        int status;
1352
1353        status = be_cmd_mccq_ext_create(adapter, mccq, cq);
1354        if (status && BEx_chip(adapter)) {
1355                dev_warn(&adapter->pdev->dev, "Upgrade to F/W ver 2.102.235.0 "
1356                        "or newer to avoid conflicting priorities between NIC "
1357                        "and FCoE traffic");
1358                status = be_cmd_mccq_org_create(adapter, mccq, cq);
1359        }
1360        return status;
1361}
1362
1363int be_cmd_txq_create(struct be_adapter *adapter, struct be_tx_obj *txo)
1364{
1365        struct be_mcc_wrb wrb = {0};
1366        struct be_cmd_req_eth_tx_create *req;
1367        struct be_queue_info *txq = &txo->q;
1368        struct be_queue_info *cq = &txo->cq;
1369        struct be_dma_mem *q_mem = &txq->dma_mem;
1370        int status, ver = 0;
1371
1372        req = embedded_payload(&wrb);
1373        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1374                               OPCODE_ETH_TX_CREATE, sizeof(*req), &wrb, NULL);
1375
1376        if (lancer_chip(adapter)) {
1377                req->hdr.version = 1;
1378        } else if (BEx_chip(adapter)) {
1379                if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC)
1380                        req->hdr.version = 2;
1381        } else { /* For SH */
1382                req->hdr.version = 2;
1383        }
1384
1385        if (req->hdr.version > 0)
1386                req->if_id = cpu_to_le16(adapter->if_handle);
1387        req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
1388        req->ulp_num = BE_ULP1_NUM;
1389        req->type = BE_ETH_TX_RING_TYPE_STANDARD;
1390        req->cq_id = cpu_to_le16(cq->id);
1391        req->queue_size = be_encoded_q_len(txq->len);
1392        be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1393        ver = req->hdr.version;
1394
1395        status = be_cmd_notify_wait(adapter, &wrb);
1396        if (!status) {
1397                struct be_cmd_resp_eth_tx_create *resp = embedded_payload(&wrb);
1398
1399                txq->id = le16_to_cpu(resp->cid);
1400                if (ver == 2)
1401                        txo->db_offset = le32_to_cpu(resp->db_offset);
1402                else
1403                        txo->db_offset = DB_TXULP1_OFFSET;
1404                txq->created = true;
1405        }
1406
1407        return status;
1408}
1409
1410/* Uses MCC */
1411int be_cmd_rxq_create(struct be_adapter *adapter,
1412                      struct be_queue_info *rxq, u16 cq_id, u16 frag_size,
1413                      u32 if_id, u32 rss, u8 *rss_id)
1414{
1415        struct be_mcc_wrb *wrb;
1416        struct be_cmd_req_eth_rx_create *req;
1417        struct be_dma_mem *q_mem = &rxq->dma_mem;
1418        int status;
1419
1420        mutex_lock(&adapter->mcc_lock);
1421
1422        wrb = wrb_from_mccq(adapter);
1423        if (!wrb) {
1424                status = -EBUSY;
1425                goto err;
1426        }
1427        req = embedded_payload(wrb);
1428
1429        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1430                               OPCODE_ETH_RX_CREATE, sizeof(*req), wrb, NULL);
1431
1432        req->cq_id = cpu_to_le16(cq_id);
1433        req->frag_size = fls(frag_size) - 1;
1434        req->num_pages = 2;
1435        be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1436        req->interface_id = cpu_to_le32(if_id);
1437        req->max_frame_size = cpu_to_le16(BE_MAX_JUMBO_FRAME_SIZE);
1438        req->rss_queue = cpu_to_le32(rss);
1439
1440        status = be_mcc_notify_wait(adapter);
1441        if (!status) {
1442                struct be_cmd_resp_eth_rx_create *resp = embedded_payload(wrb);
1443
1444                rxq->id = le16_to_cpu(resp->id);
1445                rxq->created = true;
1446                *rss_id = resp->rss_id;
1447        }
1448
1449err:
1450        mutex_unlock(&adapter->mcc_lock);
1451        return status;
1452}
1453
1454/* Generic destroyer function for all types of queues
1455 * Uses Mbox
1456 */
1457int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q,
1458                     int queue_type)
1459{
1460        struct be_mcc_wrb *wrb;
1461        struct be_cmd_req_q_destroy *req;
1462        u8 subsys = 0, opcode = 0;
1463        int status;
1464
1465        if (mutex_lock_interruptible(&adapter->mbox_lock))
1466                return -1;
1467
1468        wrb = wrb_from_mbox(adapter);
1469        req = embedded_payload(wrb);
1470
1471        switch (queue_type) {
1472        case QTYPE_EQ:
1473                subsys = CMD_SUBSYSTEM_COMMON;
1474                opcode = OPCODE_COMMON_EQ_DESTROY;
1475                break;
1476        case QTYPE_CQ:
1477                subsys = CMD_SUBSYSTEM_COMMON;
1478                opcode = OPCODE_COMMON_CQ_DESTROY;
1479                break;
1480        case QTYPE_TXQ:
1481                subsys = CMD_SUBSYSTEM_ETH;
1482                opcode = OPCODE_ETH_TX_DESTROY;
1483                break;
1484        case QTYPE_RXQ:
1485                subsys = CMD_SUBSYSTEM_ETH;
1486                opcode = OPCODE_ETH_RX_DESTROY;
1487                break;
1488        case QTYPE_MCCQ:
1489                subsys = CMD_SUBSYSTEM_COMMON;
1490                opcode = OPCODE_COMMON_MCC_DESTROY;
1491                break;
1492        default:
1493                BUG();
1494        }
1495
1496        be_wrb_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req), wrb,
1497                               NULL);
1498        req->id = cpu_to_le16(q->id);
1499
1500        status = be_mbox_notify_wait(adapter);
1501        q->created = false;
1502
1503        mutex_unlock(&adapter->mbox_lock);
1504        return status;
1505}
1506
1507/* Uses MCC */
1508int be_cmd_rxq_destroy(struct be_adapter *adapter, struct be_queue_info *q)
1509{
1510        struct be_mcc_wrb *wrb;
1511        struct be_cmd_req_q_destroy *req;
1512        int status;
1513
1514        mutex_lock(&adapter->mcc_lock);
1515
1516        wrb = wrb_from_mccq(adapter);
1517        if (!wrb) {
1518                status = -EBUSY;
1519                goto err;
1520        }
1521        req = embedded_payload(wrb);
1522
1523        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1524                               OPCODE_ETH_RX_DESTROY, sizeof(*req), wrb, NULL);
1525        req->id = cpu_to_le16(q->id);
1526
1527        status = be_mcc_notify_wait(adapter);
1528        q->created = false;
1529
1530err:
1531        mutex_unlock(&adapter->mcc_lock);
1532        return status;
1533}
1534
1535/* Create an rx filtering policy configuration on an i/f
1536 * Will use MBOX only if MCCQ has not been created.
1537 */
1538int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags,
1539                     u32 *if_handle, u32 domain)
1540{
1541        struct be_mcc_wrb wrb = {0};
1542        struct be_cmd_req_if_create *req;
1543        int status;
1544
1545        req = embedded_payload(&wrb);
1546        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1547                               OPCODE_COMMON_NTWK_INTERFACE_CREATE,
1548                               sizeof(*req), &wrb, NULL);
1549        req->hdr.domain = domain;
1550        req->capability_flags = cpu_to_le32(cap_flags);
1551        req->enable_flags = cpu_to_le32(en_flags);
1552        req->pmac_invalid = true;
1553
1554        status = be_cmd_notify_wait(adapter, &wrb);
1555        if (!status) {
1556                struct be_cmd_resp_if_create *resp = embedded_payload(&wrb);
1557
1558                *if_handle = le32_to_cpu(resp->interface_id);
1559
1560                /* Hack to retrieve VF's pmac-id on BE3 */
1561                if (BE3_chip(adapter) && be_virtfn(adapter))
1562                        adapter->pmac_id[0] = le32_to_cpu(resp->pmac_id);
1563        }
1564        return status;
1565}
1566
1567/* Uses MCCQ if available else MBOX */
1568int be_cmd_if_destroy(struct be_adapter *adapter, int interface_id, u32 domain)
1569{
1570        struct be_mcc_wrb wrb = {0};
1571        struct be_cmd_req_if_destroy *req;
1572        int status;
1573
1574        if (interface_id == -1)
1575                return 0;
1576
1577        req = embedded_payload(&wrb);
1578
1579        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1580                               OPCODE_COMMON_NTWK_INTERFACE_DESTROY,
1581                               sizeof(*req), &wrb, NULL);
1582        req->hdr.domain = domain;
1583        req->interface_id = cpu_to_le32(interface_id);
1584
1585        status = be_cmd_notify_wait(adapter, &wrb);
1586        return status;
1587}
1588
1589/* Get stats is a non embedded command: the request is not embedded inside
1590 * WRB but is a separate dma memory block
1591 * Uses asynchronous MCC
1592 */
1593int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd)
1594{
1595        struct be_mcc_wrb *wrb;
1596        struct be_cmd_req_hdr *hdr;
1597        int status = 0;
1598
1599        mutex_lock(&adapter->mcc_lock);
1600
1601        wrb = wrb_from_mccq(adapter);
1602        if (!wrb) {
1603                status = -EBUSY;
1604                goto err;
1605        }
1606        hdr = nonemb_cmd->va;
1607
1608        be_wrb_cmd_hdr_prepare(hdr, CMD_SUBSYSTEM_ETH,
1609                               OPCODE_ETH_GET_STATISTICS, nonemb_cmd->size, wrb,
1610                               nonemb_cmd);
1611
1612        /* version 1 of the cmd is not supported only by BE2 */
1613        if (BE2_chip(adapter))
1614                hdr->version = 0;
1615        if (BE3_chip(adapter) || lancer_chip(adapter))
1616                hdr->version = 1;
1617        else
1618                hdr->version = 2;
1619
1620        status = be_mcc_notify(adapter);
1621        if (status)
1622                goto err;
1623
1624        adapter->stats_cmd_sent = true;
1625
1626err:
1627        mutex_unlock(&adapter->mcc_lock);
1628        return status;
1629}
1630
1631/* Lancer Stats */
1632int lancer_cmd_get_pport_stats(struct be_adapter *adapter,
1633                               struct be_dma_mem *nonemb_cmd)
1634{
1635        struct be_mcc_wrb *wrb;
1636        struct lancer_cmd_req_pport_stats *req;
1637        int status = 0;
1638
1639        if (!be_cmd_allowed(adapter, OPCODE_ETH_GET_PPORT_STATS,
1640                            CMD_SUBSYSTEM_ETH))
1641                return -EPERM;
1642
1643        mutex_lock(&adapter->mcc_lock);
1644
1645        wrb = wrb_from_mccq(adapter);
1646        if (!wrb) {
1647                status = -EBUSY;
1648                goto err;
1649        }
1650        req = nonemb_cmd->va;
1651
1652        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1653                               OPCODE_ETH_GET_PPORT_STATS, nonemb_cmd->size,
1654                               wrb, nonemb_cmd);
1655
1656        req->cmd_params.params.pport_num = cpu_to_le16(adapter->hba_port_num);
1657        req->cmd_params.params.reset_stats = 0;
1658
1659        status = be_mcc_notify(adapter);
1660        if (status)
1661                goto err;
1662
1663        adapter->stats_cmd_sent = true;
1664
1665err:
1666        mutex_unlock(&adapter->mcc_lock);
1667        return status;
1668}
1669
1670static int be_mac_to_link_speed(int mac_speed)
1671{
1672        switch (mac_speed) {
1673        case PHY_LINK_SPEED_ZERO:
1674                return 0;
1675        case PHY_LINK_SPEED_10MBPS:
1676                return 10;
1677        case PHY_LINK_SPEED_100MBPS:
1678                return 100;
1679        case PHY_LINK_SPEED_1GBPS:
1680                return 1000;
1681        case PHY_LINK_SPEED_10GBPS:
1682                return 10000;
1683        case PHY_LINK_SPEED_20GBPS:
1684                return 20000;
1685        case PHY_LINK_SPEED_25GBPS:
1686                return 25000;
1687        case PHY_LINK_SPEED_40GBPS:
1688                return 40000;
1689        }
1690        return 0;
1691}
1692
1693/* Uses synchronous mcc
1694 * Returns link_speed in Mbps
1695 */
1696int be_cmd_link_status_query(struct be_adapter *adapter, u16 *link_speed,
1697                             u8 *link_status, u32 dom)
1698{
1699        struct be_mcc_wrb *wrb;
1700        struct be_cmd_req_link_status *req;
1701        int status;
1702
1703        mutex_lock(&adapter->mcc_lock);
1704
1705        if (link_status)
1706                *link_status = LINK_DOWN;
1707
1708        wrb = wrb_from_mccq(adapter);
1709        if (!wrb) {
1710                status = -EBUSY;
1711                goto err;
1712        }
1713        req = embedded_payload(wrb);
1714
1715        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1716                               OPCODE_COMMON_NTWK_LINK_STATUS_QUERY,
1717                               sizeof(*req), wrb, NULL);
1718
1719        /* version 1 of the cmd is not supported only by BE2 */
1720        if (!BE2_chip(adapter))
1721                req->hdr.version = 1;
1722
1723        req->hdr.domain = dom;
1724
1725        status = be_mcc_notify_wait(adapter);
1726        if (!status) {
1727                struct be_cmd_resp_link_status *resp = embedded_payload(wrb);
1728
1729                if (link_speed) {
1730                        *link_speed = resp->link_speed ?
1731                                      le16_to_cpu(resp->link_speed) * 10 :
1732                                      be_mac_to_link_speed(resp->mac_speed);
1733
1734                        if (!resp->logical_link_status)
1735                                *link_speed = 0;
1736                }
1737                if (link_status)
1738                        *link_status = resp->logical_link_status;
1739        }
1740
1741err:
1742        mutex_unlock(&adapter->mcc_lock);
1743        return status;
1744}
1745
1746/* Uses synchronous mcc */
1747int be_cmd_get_die_temperature(struct be_adapter *adapter)
1748{
1749        struct be_mcc_wrb *wrb;
1750        struct be_cmd_req_get_cntl_addnl_attribs *req;
1751        int status = 0;
1752
1753        mutex_lock(&adapter->mcc_lock);
1754
1755        wrb = wrb_from_mccq(adapter);
1756        if (!wrb) {
1757                status = -EBUSY;
1758                goto err;
1759        }
1760        req = embedded_payload(wrb);
1761
1762        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1763                               OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES,
1764                               sizeof(*req), wrb, NULL);
1765
1766        status = be_mcc_notify(adapter);
1767err:
1768        mutex_unlock(&adapter->mcc_lock);
1769        return status;
1770}
1771
1772/* Uses synchronous mcc */
1773int be_cmd_get_fat_dump_len(struct be_adapter *adapter, u32 *dump_size)
1774{
1775        struct be_mcc_wrb wrb = {0};
1776        struct be_cmd_req_get_fat *req;
1777        int status;
1778
1779        req = embedded_payload(&wrb);
1780
1781        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1782                               OPCODE_COMMON_MANAGE_FAT, sizeof(*req),
1783                               &wrb, NULL);
1784        req->fat_operation = cpu_to_le32(QUERY_FAT);
1785        status = be_cmd_notify_wait(adapter, &wrb);
1786        if (!status) {
1787                struct be_cmd_resp_get_fat *resp = embedded_payload(&wrb);
1788
1789                if (dump_size && resp->log_size)
1790                        *dump_size = le32_to_cpu(resp->log_size) -
1791                                        sizeof(u32);
1792        }
1793        return status;
1794}
1795
1796int be_cmd_get_fat_dump(struct be_adapter *adapter, u32 buf_len, void *buf)
1797{
1798        struct be_dma_mem get_fat_cmd;
1799        struct be_mcc_wrb *wrb;
1800        struct be_cmd_req_get_fat *req;
1801        u32 offset = 0, total_size, buf_size,
1802                                log_offset = sizeof(u32), payload_len;
1803        int status;
1804
1805        if (buf_len == 0)
1806                return 0;
1807
1808        total_size = buf_len;
1809
1810        get_fat_cmd.size = sizeof(struct be_cmd_req_get_fat) + 60*1024;
1811        get_fat_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
1812                                             get_fat_cmd.size,
1813                                             &get_fat_cmd.dma, GFP_ATOMIC);
1814        if (!get_fat_cmd.va)
1815                return -ENOMEM;
1816
1817        mutex_lock(&adapter->mcc_lock);
1818
1819        while (total_size) {
1820                buf_size = min(total_size, (u32)60*1024);
1821                total_size -= buf_size;
1822
1823                wrb = wrb_from_mccq(adapter);
1824                if (!wrb) {
1825                        status = -EBUSY;
1826                        goto err;
1827                }
1828                req = get_fat_cmd.va;
1829
1830                payload_len = sizeof(struct be_cmd_req_get_fat) + buf_size;
1831                be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1832                                       OPCODE_COMMON_MANAGE_FAT, payload_len,
1833                                       wrb, &get_fat_cmd);
1834
1835                req->fat_operation = cpu_to_le32(RETRIEVE_FAT);
1836                req->read_log_offset = cpu_to_le32(log_offset);
1837                req->read_log_length = cpu_to_le32(buf_size);
1838                req->data_buffer_size = cpu_to_le32(buf_size);
1839
1840                status = be_mcc_notify_wait(adapter);
1841                if (!status) {
1842                        struct be_cmd_resp_get_fat *resp = get_fat_cmd.va;
1843
1844                        memcpy(buf + offset,
1845                               resp->data_buffer,
1846                               le32_to_cpu(resp->read_log_length));
1847                } else {
1848                        dev_err(&adapter->pdev->dev, "FAT Table Retrieve error\n");
1849                        goto err;
1850                }
1851                offset += buf_size;
1852                log_offset += buf_size;
1853        }
1854err:
1855        dma_free_coherent(&adapter->pdev->dev, get_fat_cmd.size,
1856                          get_fat_cmd.va, get_fat_cmd.dma);
1857        mutex_unlock(&adapter->mcc_lock);
1858        return status;
1859}
1860
1861/* Uses synchronous mcc */
1862int be_cmd_get_fw_ver(struct be_adapter *adapter)
1863{
1864        struct be_mcc_wrb *wrb;
1865        struct be_cmd_req_get_fw_version *req;
1866        int status;
1867
1868        mutex_lock(&adapter->mcc_lock);
1869
1870        wrb = wrb_from_mccq(adapter);
1871        if (!wrb) {
1872                status = -EBUSY;
1873                goto err;
1874        }
1875
1876        req = embedded_payload(wrb);
1877
1878        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1879                               OPCODE_COMMON_GET_FW_VERSION, sizeof(*req), wrb,
1880                               NULL);
1881        status = be_mcc_notify_wait(adapter);
1882        if (!status) {
1883                struct be_cmd_resp_get_fw_version *resp = embedded_payload(wrb);
1884
1885                strlcpy(adapter->fw_ver, resp->firmware_version_string,
1886                        sizeof(adapter->fw_ver));
1887                strlcpy(adapter->fw_on_flash, resp->fw_on_flash_version_string,
1888                        sizeof(adapter->fw_on_flash));
1889        }
1890err:
1891        mutex_unlock(&adapter->mcc_lock);
1892        return status;
1893}
1894
1895/* set the EQ delay interval of an EQ to specified value
1896 * Uses async mcc
1897 */
1898static int __be_cmd_modify_eqd(struct be_adapter *adapter,
1899                               struct be_set_eqd *set_eqd, int num)
1900{
1901        struct be_mcc_wrb *wrb;
1902        struct be_cmd_req_modify_eq_delay *req;
1903        int status = 0, i;
1904
1905        mutex_lock(&adapter->mcc_lock);
1906
1907        wrb = wrb_from_mccq(adapter);
1908        if (!wrb) {
1909                status = -EBUSY;
1910                goto err;
1911        }
1912        req = embedded_payload(wrb);
1913
1914        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1915                               OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req), wrb,
1916                               NULL);
1917
1918        req->num_eq = cpu_to_le32(num);
1919        for (i = 0; i < num; i++) {
1920                req->set_eqd[i].eq_id = cpu_to_le32(set_eqd[i].eq_id);
1921                req->set_eqd[i].phase = 0;
1922                req->set_eqd[i].delay_multiplier =
1923                                cpu_to_le32(set_eqd[i].delay_multiplier);
1924        }
1925
1926        status = be_mcc_notify(adapter);
1927err:
1928        mutex_unlock(&adapter->mcc_lock);
1929        return status;
1930}
1931
1932int be_cmd_modify_eqd(struct be_adapter *adapter, struct be_set_eqd *set_eqd,
1933                      int num)
1934{
1935        int num_eqs, i = 0;
1936
1937        while (num) {
1938                num_eqs = min(num, 8);
1939                __be_cmd_modify_eqd(adapter, &set_eqd[i], num_eqs);
1940                i += num_eqs;
1941                num -= num_eqs;
1942        }
1943
1944        return 0;
1945}
1946
1947/* Uses sycnhronous mcc */
1948int be_cmd_vlan_config(struct be_adapter *adapter, u32 if_id, u16 *vtag_array,
1949                       u32 num, u32 domain)
1950{
1951        struct be_mcc_wrb *wrb;
1952        struct be_cmd_req_vlan_config *req;
1953        int status;
1954
1955        mutex_lock(&adapter->mcc_lock);
1956
1957        wrb = wrb_from_mccq(adapter);
1958        if (!wrb) {
1959                status = -EBUSY;
1960                goto err;
1961        }
1962        req = embedded_payload(wrb);
1963
1964        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1965                               OPCODE_COMMON_NTWK_VLAN_CONFIG, sizeof(*req),
1966                               wrb, NULL);
1967        req->hdr.domain = domain;
1968
1969        req->interface_id = if_id;
1970        req->untagged = BE_IF_FLAGS_UNTAGGED & be_if_cap_flags(adapter) ? 1 : 0;
1971        req->num_vlan = num;
1972        memcpy(req->normal_vlan, vtag_array,
1973               req->num_vlan * sizeof(vtag_array[0]));
1974
1975        status = be_mcc_notify_wait(adapter);
1976err:
1977        mutex_unlock(&adapter->mcc_lock);
1978        return status;
1979}
1980
1981static int __be_cmd_rx_filter(struct be_adapter *adapter, u32 flags, u32 value)
1982{
1983        struct be_mcc_wrb *wrb;
1984        struct be_dma_mem *mem = &adapter->rx_filter;
1985        struct be_cmd_req_rx_filter *req = mem->va;
1986        int status;
1987
1988        mutex_lock(&adapter->mcc_lock);
1989
1990        wrb = wrb_from_mccq(adapter);
1991        if (!wrb) {
1992                status = -EBUSY;
1993                goto err;
1994        }
1995        memset(req, 0, sizeof(*req));
1996        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1997                               OPCODE_COMMON_NTWK_RX_FILTER, sizeof(*req),
1998                               wrb, mem);
1999
2000        req->if_id = cpu_to_le32(adapter->if_handle);
2001        req->if_flags_mask = cpu_to_le32(flags);
2002        req->if_flags = (value == ON) ? req->if_flags_mask : 0;
2003
2004        if (flags & BE_IF_FLAGS_MULTICAST) {
2005                int i;
2006
2007                /* Reset mcast promisc mode if already set by setting mask
2008                 * and not setting flags field
2009                 */
2010                req->if_flags_mask |=
2011                        cpu_to_le32(BE_IF_FLAGS_MCAST_PROMISCUOUS &
2012                                    be_if_cap_flags(adapter));
2013                req->mcast_num = cpu_to_le32(adapter->mc_count);
2014                for (i = 0; i < adapter->mc_count; i++)
2015                        ether_addr_copy(req->mcast_mac[i].byte,
2016                                        adapter->mc_list[i].mac);
2017        }
2018
2019        status = be_mcc_notify_wait(adapter);
2020err:
2021        mutex_unlock(&adapter->mcc_lock);
2022        return status;
2023}
2024
2025int be_cmd_rx_filter(struct be_adapter *adapter, u32 flags, u32 value)
2026{
2027        struct device *dev = &adapter->pdev->dev;
2028
2029        if ((flags & be_if_cap_flags(adapter)) != flags) {
2030                dev_warn(dev, "Cannot set rx filter flags 0x%x\n", flags);
2031                dev_warn(dev, "Interface is capable of 0x%x flags only\n",
2032                         be_if_cap_flags(adapter));
2033        }
2034        flags &= be_if_cap_flags(adapter);
2035        if (!flags)
2036                return -ENOTSUPP;
2037
2038        return __be_cmd_rx_filter(adapter, flags, value);
2039}
2040
2041/* Uses synchrounous mcc */
2042int be_cmd_set_flow_control(struct be_adapter *adapter, u32 tx_fc, u32 rx_fc)
2043{
2044        struct be_mcc_wrb *wrb;
2045        struct be_cmd_req_set_flow_control *req;
2046        int status;
2047
2048        if (!be_cmd_allowed(adapter, OPCODE_COMMON_SET_FLOW_CONTROL,
2049                            CMD_SUBSYSTEM_COMMON))
2050                return -EPERM;
2051
2052        mutex_lock(&adapter->mcc_lock);
2053
2054        wrb = wrb_from_mccq(adapter);
2055        if (!wrb) {
2056                status = -EBUSY;
2057                goto err;
2058        }
2059        req = embedded_payload(wrb);
2060
2061        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2062                               OPCODE_COMMON_SET_FLOW_CONTROL, sizeof(*req),
2063                               wrb, NULL);
2064
2065        req->hdr.version = 1;
2066        req->tx_flow_control = cpu_to_le16((u16)tx_fc);
2067        req->rx_flow_control = cpu_to_le16((u16)rx_fc);
2068
2069        status = be_mcc_notify_wait(adapter);
2070
2071err:
2072        mutex_unlock(&adapter->mcc_lock);
2073
2074        if (base_status(status) == MCC_STATUS_FEATURE_NOT_SUPPORTED)
2075                return  -EOPNOTSUPP;
2076
2077        return status;
2078}
2079
2080/* Uses sycn mcc */
2081int be_cmd_get_flow_control(struct be_adapter *adapter, u32 *tx_fc, u32 *rx_fc)
2082{
2083        struct be_mcc_wrb *wrb;
2084        struct be_cmd_req_get_flow_control *req;
2085        int status;
2086
2087        if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_FLOW_CONTROL,
2088                            CMD_SUBSYSTEM_COMMON))
2089                return -EPERM;
2090
2091        mutex_lock(&adapter->mcc_lock);
2092
2093        wrb = wrb_from_mccq(adapter);
2094        if (!wrb) {
2095                status = -EBUSY;
2096                goto err;
2097        }
2098        req = embedded_payload(wrb);
2099
2100        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2101                               OPCODE_COMMON_GET_FLOW_CONTROL, sizeof(*req),
2102                               wrb, NULL);
2103
2104        status = be_mcc_notify_wait(adapter);
2105        if (!status) {
2106                struct be_cmd_resp_get_flow_control *resp =
2107                                                embedded_payload(wrb);
2108
2109                *tx_fc = le16_to_cpu(resp->tx_flow_control);
2110                *rx_fc = le16_to_cpu(resp->rx_flow_control);
2111        }
2112
2113err:
2114        mutex_unlock(&adapter->mcc_lock);
2115        return status;
2116}
2117
2118/* Uses mbox */
2119int be_cmd_query_fw_cfg(struct be_adapter *adapter)
2120{
2121        struct be_mcc_wrb *wrb;
2122        struct be_cmd_req_query_fw_cfg *req;
2123        int status;
2124
2125        if (mutex_lock_interruptible(&adapter->mbox_lock))
2126                return -1;
2127
2128        wrb = wrb_from_mbox(adapter);
2129        req = embedded_payload(wrb);
2130
2131        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2132                               OPCODE_COMMON_QUERY_FIRMWARE_CONFIG,
2133                               sizeof(*req), wrb, NULL);
2134
2135        status = be_mbox_notify_wait(adapter);
2136        if (!status) {
2137                struct be_cmd_resp_query_fw_cfg *resp = embedded_payload(wrb);
2138
2139                adapter->port_num = le32_to_cpu(resp->phys_port);
2140                adapter->function_mode = le32_to_cpu(resp->function_mode);
2141                adapter->function_caps = le32_to_cpu(resp->function_caps);
2142                adapter->asic_rev = le32_to_cpu(resp->asic_revision) & 0xFF;
2143                dev_info(&adapter->pdev->dev,
2144                         "FW config: function_mode=0x%x, function_caps=0x%x\n",
2145                         adapter->function_mode, adapter->function_caps);
2146        }
2147
2148        mutex_unlock(&adapter->mbox_lock);
2149        return status;
2150}
2151
2152/* Uses mbox */
2153int be_cmd_reset_function(struct be_adapter *adapter)
2154{
2155        struct be_mcc_wrb *wrb;
2156        struct be_cmd_req_hdr *req;
2157        int status;
2158
2159        if (lancer_chip(adapter)) {
2160                iowrite32(SLI_PORT_CONTROL_IP_MASK,
2161                          adapter->db + SLIPORT_CONTROL_OFFSET);
2162                status = lancer_wait_ready(adapter);
2163                if (status)
2164                        dev_err(&adapter->pdev->dev,
2165                                "Adapter in non recoverable error\n");
2166                return status;
2167        }
2168
2169        if (mutex_lock_interruptible(&adapter->mbox_lock))
2170                return -1;
2171
2172        wrb = wrb_from_mbox(adapter);
2173        req = embedded_payload(wrb);
2174
2175        be_wrb_cmd_hdr_prepare(req, CMD_SUBSYSTEM_COMMON,
2176                               OPCODE_COMMON_FUNCTION_RESET, sizeof(*req), wrb,
2177                               NULL);
2178
2179        status = be_mbox_notify_wait(adapter);
2180
2181        mutex_unlock(&adapter->mbox_lock);
2182        return status;
2183}
2184
2185int be_cmd_rss_config(struct be_adapter *adapter, u8 *rsstable,
2186                      u32 rss_hash_opts, u16 table_size, const u8 *rss_hkey)
2187{
2188        struct be_mcc_wrb *wrb;
2189        struct be_cmd_req_rss_config *req;
2190        int status;
2191
2192        if (!(be_if_cap_flags(adapter) & BE_IF_FLAGS_RSS))
2193                return 0;
2194
2195        mutex_lock(&adapter->mcc_lock);
2196
2197        wrb = wrb_from_mccq(adapter);
2198        if (!wrb) {
2199                status = -EBUSY;
2200                goto err;
2201        }
2202        req = embedded_payload(wrb);
2203
2204        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
2205                               OPCODE_ETH_RSS_CONFIG, sizeof(*req), wrb, NULL);
2206
2207        req->if_id = cpu_to_le32(adapter->if_handle);
2208        req->enable_rss = cpu_to_le16(rss_hash_opts);
2209        req->cpu_table_size_log2 = cpu_to_le16(fls(table_size) - 1);
2210
2211        if (!BEx_chip(adapter))
2212                req->hdr.version = 1;
2213
2214        memcpy(req->cpu_table, rsstable, table_size);
2215        memcpy(req->hash, rss_hkey, RSS_HASH_KEY_LEN);
2216        be_dws_cpu_to_le(req->hash, sizeof(req->hash));
2217
2218        status = be_mcc_notify_wait(adapter);
2219err:
2220        mutex_unlock(&adapter->mcc_lock);
2221        return status;
2222}
2223
2224/* Uses sync mcc */
2225int be_cmd_set_beacon_state(struct be_adapter *adapter, u8 port_num,
2226                            u8 bcn, u8 sts, u8 state)
2227{
2228        struct be_mcc_wrb *wrb;
2229        struct be_cmd_req_enable_disable_beacon *req;
2230        int status;
2231
2232        mutex_lock(&adapter->mcc_lock);
2233
2234        wrb = wrb_from_mccq(adapter);
2235        if (!wrb) {
2236                status = -EBUSY;
2237                goto err;
2238        }
2239        req = embedded_payload(wrb);
2240
2241        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2242                               OPCODE_COMMON_ENABLE_DISABLE_BEACON,
2243                               sizeof(*req), wrb, NULL);
2244
2245        req->port_num = port_num;
2246        req->beacon_state = state;
2247        req->beacon_duration = bcn;
2248        req->status_duration = sts;
2249
2250        status = be_mcc_notify_wait(adapter);
2251
2252err:
2253        mutex_unlock(&adapter->mcc_lock);
2254        return status;
2255}
2256
2257/* Uses sync mcc */
2258int be_cmd_get_beacon_state(struct be_adapter *adapter, u8 port_num, u32 *state)
2259{
2260        struct be_mcc_wrb *wrb;
2261        struct be_cmd_req_get_beacon_state *req;
2262        int status;
2263
2264        mutex_lock(&adapter->mcc_lock);
2265
2266        wrb = wrb_from_mccq(adapter);
2267        if (!wrb) {
2268                status = -EBUSY;
2269                goto err;
2270        }
2271        req = embedded_payload(wrb);
2272
2273        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2274                               OPCODE_COMMON_GET_BEACON_STATE, sizeof(*req),
2275                               wrb, NULL);
2276
2277        req->port_num = port_num;
2278
2279        status = be_mcc_notify_wait(adapter);
2280        if (!status) {
2281                struct be_cmd_resp_get_beacon_state *resp =
2282                                                embedded_payload(wrb);
2283
2284                *state = resp->beacon_state;
2285        }
2286
2287err:
2288        mutex_unlock(&adapter->mcc_lock);
2289        return status;
2290}
2291
2292/* Uses sync mcc */
2293int be_cmd_read_port_transceiver_data(struct be_adapter *adapter,
2294                                      u8 page_num, u8 *data)
2295{
2296        struct be_dma_mem cmd;
2297        struct be_mcc_wrb *wrb;
2298        struct be_cmd_req_port_type *req;
2299        int status;
2300
2301        if (page_num > TR_PAGE_A2)
2302                return -EINVAL;
2303
2304        cmd.size = sizeof(struct be_cmd_resp_port_type);
2305        cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
2306                                     GFP_ATOMIC);
2307        if (!cmd.va) {
2308                dev_err(&adapter->pdev->dev, "Memory allocation failed\n");
2309                return -ENOMEM;
2310        }
2311
2312        mutex_lock(&adapter->mcc_lock);
2313
2314        wrb = wrb_from_mccq(adapter);
2315        if (!wrb) {
2316                status = -EBUSY;
2317                goto err;
2318        }
2319        req = cmd.va;
2320
2321        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2322                               OPCODE_COMMON_READ_TRANSRECV_DATA,
2323                               cmd.size, wrb, &cmd);
2324
2325        req->port = cpu_to_le32(adapter->hba_port_num);
2326        req->page_num = cpu_to_le32(page_num);
2327        status = be_mcc_notify_wait(adapter);
2328        if (!status) {
2329                struct be_cmd_resp_port_type *resp = cmd.va;
2330
2331                memcpy(data, resp->page_data, PAGE_DATA_LEN);
2332        }
2333err:
2334        mutex_unlock(&adapter->mcc_lock);
2335        dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
2336        return status;
2337}
2338
2339static int lancer_cmd_write_object(struct be_adapter *adapter,
2340                                   struct be_dma_mem *cmd, u32 data_size,
2341                                   u32 data_offset, const char *obj_name,
2342                                   u32 *data_written, u8 *change_status,
2343                                   u8 *addn_status)
2344{
2345        struct be_mcc_wrb *wrb;
2346        struct lancer_cmd_req_write_object *req;
2347        struct lancer_cmd_resp_write_object *resp;
2348        void *ctxt = NULL;
2349        int status;
2350
2351        mutex_lock(&adapter->mcc_lock);
2352        adapter->flash_status = 0;
2353
2354        wrb = wrb_from_mccq(adapter);
2355        if (!wrb) {
2356                status = -EBUSY;
2357                goto err_unlock;
2358        }
2359
2360        req = embedded_payload(wrb);
2361
2362        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2363                               OPCODE_COMMON_WRITE_OBJECT,
2364                               sizeof(struct lancer_cmd_req_write_object), wrb,
2365                               NULL);
2366
2367        ctxt = &req->context;
2368        AMAP_SET_BITS(struct amap_lancer_write_obj_context,
2369                      write_length, ctxt, data_size);
2370
2371        if (data_size == 0)
2372                AMAP_SET_BITS(struct amap_lancer_write_obj_context,
2373                              eof, ctxt, 1);
2374        else
2375                AMAP_SET_BITS(struct amap_lancer_write_obj_context,
2376                              eof, ctxt, 0);
2377
2378        be_dws_cpu_to_le(ctxt, sizeof(req->context));
2379        req->write_offset = cpu_to_le32(data_offset);
2380        strlcpy(req->object_name, obj_name, sizeof(req->object_name));
2381        req->descriptor_count = cpu_to_le32(1);
2382        req->buf_len = cpu_to_le32(data_size);
2383        req->addr_low = cpu_to_le32((cmd->dma +
2384                                     sizeof(struct lancer_cmd_req_write_object))
2385                                    & 0xFFFFFFFF);
2386        req->addr_high = cpu_to_le32(upper_32_bits(cmd->dma +
2387                                sizeof(struct lancer_cmd_req_write_object)));
2388
2389        status = be_mcc_notify(adapter);
2390        if (status)
2391                goto err_unlock;
2392
2393        mutex_unlock(&adapter->mcc_lock);
2394
2395        if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
2396                                         msecs_to_jiffies(60000)))
2397                status = -ETIMEDOUT;
2398        else
2399                status = adapter->flash_status;
2400
2401        resp = embedded_payload(wrb);
2402        if (!status) {
2403                *data_written = le32_to_cpu(resp->actual_write_len);
2404                *change_status = resp->change_status;
2405        } else {
2406                *addn_status = resp->additional_status;
2407        }
2408
2409        return status;
2410
2411err_unlock:
2412        mutex_unlock(&adapter->mcc_lock);
2413        return status;
2414}
2415
2416int be_cmd_query_cable_type(struct be_adapter *adapter)
2417{
2418        u8 page_data[PAGE_DATA_LEN];
2419        int status;
2420
2421        status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
2422                                                   page_data);
2423        if (!status) {
2424                switch (adapter->phy.interface_type) {
2425                case PHY_TYPE_QSFP:
2426                        adapter->phy.cable_type =
2427                                page_data[QSFP_PLUS_CABLE_TYPE_OFFSET];
2428                        break;
2429                case PHY_TYPE_SFP_PLUS_10GB:
2430                        adapter->phy.cable_type =
2431                                page_data[SFP_PLUS_CABLE_TYPE_OFFSET];
2432                        break;
2433                default:
2434                        adapter->phy.cable_type = 0;
2435                        break;
2436                }
2437        }
2438        return status;
2439}
2440
2441int be_cmd_query_sfp_info(struct be_adapter *adapter)
2442{
2443        u8 page_data[PAGE_DATA_LEN];
2444        int status;
2445
2446        status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
2447                                                   page_data);
2448        if (!status) {
2449                strlcpy(adapter->phy.vendor_name, page_data +
2450                        SFP_VENDOR_NAME_OFFSET, SFP_VENDOR_NAME_LEN - 1);
2451                strlcpy(adapter->phy.vendor_pn,
2452                        page_data + SFP_VENDOR_PN_OFFSET,
2453                        SFP_VENDOR_NAME_LEN - 1);
2454        }
2455
2456        return status;
2457}
2458
2459static int lancer_cmd_delete_object(struct be_adapter *adapter,
2460                                    const char *obj_name)
2461{
2462        struct lancer_cmd_req_delete_object *req;
2463        struct be_mcc_wrb *wrb;
2464        int status;
2465
2466        mutex_lock(&adapter->mcc_lock);
2467
2468        wrb = wrb_from_mccq(adapter);
2469        if (!wrb) {
2470                status = -EBUSY;
2471                goto err;
2472        }
2473
2474        req = embedded_payload(wrb);
2475
2476        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2477                               OPCODE_COMMON_DELETE_OBJECT,
2478                               sizeof(*req), wrb, NULL);
2479
2480        strlcpy(req->object_name, obj_name, sizeof(req->object_name));
2481
2482        status = be_mcc_notify_wait(adapter);
2483err:
2484        mutex_unlock(&adapter->mcc_lock);
2485        return status;
2486}
2487
2488int lancer_cmd_read_object(struct be_adapter *adapter, struct be_dma_mem *cmd,
2489                           u32 data_size, u32 data_offset, const char *obj_name,
2490                           u32 *data_read, u32 *eof, u8 *addn_status)
2491{
2492        struct be_mcc_wrb *wrb;
2493        struct lancer_cmd_req_read_object *req;
2494        struct lancer_cmd_resp_read_object *resp;
2495        int status;
2496
2497        mutex_lock(&adapter->mcc_lock);
2498
2499        wrb = wrb_from_mccq(adapter);
2500        if (!wrb) {
2501                status = -EBUSY;
2502                goto err_unlock;
2503        }
2504
2505        req = embedded_payload(wrb);
2506
2507        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2508                               OPCODE_COMMON_READ_OBJECT,
2509                               sizeof(struct lancer_cmd_req_read_object), wrb,
2510                               NULL);
2511
2512        req->desired_read_len = cpu_to_le32(data_size);
2513        req->read_offset = cpu_to_le32(data_offset);
2514        strcpy(req->object_name, obj_name);
2515        req->descriptor_count = cpu_to_le32(1);
2516        req->buf_len = cpu_to_le32(data_size);
2517        req->addr_low = cpu_to_le32((cmd->dma & 0xFFFFFFFF));
2518        req->addr_high = cpu_to_le32(upper_32_bits(cmd->dma));
2519
2520        status = be_mcc_notify_wait(adapter);
2521
2522        resp = embedded_payload(wrb);
2523        if (!status) {
2524                *data_read = le32_to_cpu(resp->actual_read_len);
2525                *eof = le32_to_cpu(resp->eof);
2526        } else {
2527                *addn_status = resp->additional_status;
2528        }
2529
2530err_unlock:
2531        mutex_unlock(&adapter->mcc_lock);
2532        return status;
2533}
2534
2535static int be_cmd_write_flashrom(struct be_adapter *adapter,
2536                                 struct be_dma_mem *cmd, u32 flash_type,
2537                                 u32 flash_opcode, u32 img_offset, u32 buf_size)
2538{
2539        struct be_mcc_wrb *wrb;
2540        struct be_cmd_write_flashrom *req;
2541        int status;
2542
2543        mutex_lock(&adapter->mcc_lock);
2544        adapter->flash_status = 0;
2545
2546        wrb = wrb_from_mccq(adapter);
2547        if (!wrb) {
2548                status = -EBUSY;
2549                goto err_unlock;
2550        }
2551        req = cmd->va;
2552
2553        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2554                               OPCODE_COMMON_WRITE_FLASHROM, cmd->size, wrb,
2555                               cmd);
2556
2557        req->params.op_type = cpu_to_le32(flash_type);
2558        if (flash_type == OPTYPE_OFFSET_SPECIFIED)
2559                req->params.offset = cpu_to_le32(img_offset);
2560
2561        req->params.op_code = cpu_to_le32(flash_opcode);
2562        req->params.data_buf_size = cpu_to_le32(buf_size);
2563
2564        status = be_mcc_notify(adapter);
2565        if (status)
2566                goto err_unlock;
2567
2568        mutex_unlock(&adapter->mcc_lock);
2569
2570        if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
2571                                         msecs_to_jiffies(40000)))
2572                status = -ETIMEDOUT;
2573        else
2574                status = adapter->flash_status;
2575
2576        return status;
2577
2578err_unlock:
2579        mutex_unlock(&adapter->mcc_lock);
2580        return status;
2581}
2582
2583static int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc,
2584                                u16 img_optype, u32 img_offset, u32 crc_offset)
2585{
2586        struct be_cmd_read_flash_crc *req;
2587        struct be_mcc_wrb *wrb;
2588        int status;
2589
2590        mutex_lock(&adapter->mcc_lock);
2591
2592        wrb = wrb_from_mccq(adapter);
2593        if (!wrb) {
2594                status = -EBUSY;
2595                goto err;
2596        }
2597        req = embedded_payload(wrb);
2598
2599        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2600                               OPCODE_COMMON_READ_FLASHROM, sizeof(*req),
2601                               wrb, NULL);
2602
2603        req->params.op_type = cpu_to_le32(img_optype);
2604        if (img_optype == OPTYPE_OFFSET_SPECIFIED)
2605                req->params.offset = cpu_to_le32(img_offset + crc_offset);
2606        else
2607                req->params.offset = cpu_to_le32(crc_offset);
2608
2609        req->params.op_code = cpu_to_le32(FLASHROM_OPER_REPORT);
2610        req->params.data_buf_size = cpu_to_le32(0x4);
2611
2612        status = be_mcc_notify_wait(adapter);
2613        if (!status)
2614                memcpy(flashed_crc, req->crc, 4);
2615
2616err:
2617        mutex_unlock(&adapter->mcc_lock);
2618        return status;
2619}
2620
2621static char flash_cookie[2][16] = {"*** SE FLAS", "H DIRECTORY *** "};
2622
2623static bool phy_flashing_required(struct be_adapter *adapter)
2624{
2625        return (adapter->phy.phy_type == PHY_TYPE_TN_8022 &&
2626                adapter->phy.interface_type == PHY_TYPE_BASET_10GB);
2627}
2628
2629static bool is_comp_in_ufi(struct be_adapter *adapter,
2630                           struct flash_section_info *fsec, int type)
2631{
2632        int i = 0, img_type = 0;
2633        struct flash_section_info_g2 *fsec_g2 = NULL;
2634
2635        if (BE2_chip(adapter))
2636                fsec_g2 = (struct flash_section_info_g2 *)fsec;
2637
2638        for (i = 0; i < MAX_FLASH_COMP; i++) {
2639                if (fsec_g2)
2640                        img_type = le32_to_cpu(fsec_g2->fsec_entry[i].type);
2641                else
2642                        img_type = le32_to_cpu(fsec->fsec_entry[i].type);
2643
2644                if (img_type == type)
2645                        return true;
2646        }
2647        return false;
2648}
2649
2650static struct flash_section_info *get_fsec_info(struct be_adapter *adapter,
2651                                                int header_size,
2652                                                const struct firmware *fw)
2653{
2654        struct flash_section_info *fsec = NULL;
2655        const u8 *p = fw->data;
2656
2657        p += header_size;
2658        while (p < (fw->data + fw->size)) {
2659                fsec = (struct flash_section_info *)p;
2660                if (!memcmp(flash_cookie, fsec->cookie, sizeof(flash_cookie)))
2661                        return fsec;
2662                p += 32;
2663        }
2664        return NULL;
2665}
2666
2667static int be_check_flash_crc(struct be_adapter *adapter, const u8 *p,
2668                              u32 img_offset, u32 img_size, int hdr_size,
2669                              u16 img_optype, bool *crc_match)
2670{
2671        u32 crc_offset;
2672        int status;
2673        u8 crc[4];
2674
2675        status = be_cmd_get_flash_crc(adapter, crc, img_optype, img_offset,
2676                                      img_size - 4);
2677        if (status)
2678                return status;
2679
2680        crc_offset = hdr_size + img_offset + img_size - 4;
2681
2682        /* Skip flashing, if crc of flashed region matches */
2683        if (!memcmp(crc, p + crc_offset, 4))
2684                *crc_match = true;
2685        else
2686                *crc_match = false;
2687
2688        return status;
2689}
2690
2691static int be_flash(struct be_adapter *adapter, const u8 *img,
2692                    struct be_dma_mem *flash_cmd, int optype, int img_size,
2693                    u32 img_offset)
2694{
2695        u32 flash_op, num_bytes, total_bytes = img_size, bytes_sent = 0;
2696        struct be_cmd_write_flashrom *req = flash_cmd->va;
2697        int status;
2698
2699        while (total_bytes) {
2700                num_bytes = min_t(u32, 32 * 1024, total_bytes);
2701
2702                total_bytes -= num_bytes;
2703
2704                if (!total_bytes) {
2705                        if (optype == OPTYPE_PHY_FW)
2706                                flash_op = FLASHROM_OPER_PHY_FLASH;
2707                        else
2708                                flash_op = FLASHROM_OPER_FLASH;
2709                } else {
2710                        if (optype == OPTYPE_PHY_FW)
2711                                flash_op = FLASHROM_OPER_PHY_SAVE;
2712                        else
2713                                flash_op = FLASHROM_OPER_SAVE;
2714                }
2715
2716                memcpy(req->data_buf, img, num_bytes);
2717                img += num_bytes;
2718                status = be_cmd_write_flashrom(adapter, flash_cmd, optype,
2719                                               flash_op, img_offset +
2720                                               bytes_sent, num_bytes);
2721                if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST &&
2722                    optype == OPTYPE_PHY_FW)
2723                        break;
2724                else if (status)
2725                        return status;
2726
2727                bytes_sent += num_bytes;
2728        }
2729        return 0;
2730}
2731
2732#define NCSI_UPDATE_LOG "NCSI section update is not supported in FW ver %s\n"
2733static bool be_fw_ncsi_supported(char *ver)
2734{
2735        int v1[4] = {3, 102, 148, 0}; /* Min ver that supports NCSI FW */
2736        int v2[4];
2737        int i;
2738
2739        if (sscanf(ver, "%d.%d.%d.%d", &v2[0], &v2[1], &v2[2], &v2[3]) != 4)
2740                return false;
2741
2742        for (i = 0; i < 4; i++) {
2743                if (v1[i] < v2[i])
2744                        return true;
2745                else if (v1[i] > v2[i])
2746                        return false;
2747        }
2748
2749        return true;
2750}
2751
2752/* For BE2, BE3 and BE3-R */
2753static int be_flash_BEx(struct be_adapter *adapter,
2754                        const struct firmware *fw,
2755                        struct be_dma_mem *flash_cmd, int num_of_images)
2756{
2757        int img_hdrs_size = (num_of_images * sizeof(struct image_hdr));
2758        struct device *dev = &adapter->pdev->dev;
2759        struct flash_section_info *fsec = NULL;
2760        int status, i, filehdr_size, num_comp;
2761        const struct flash_comp *pflashcomp;
2762        bool crc_match;
2763        const u8 *p;
2764
2765        struct flash_comp gen3_flash_types[] = {
2766                { BE3_ISCSI_PRIMARY_IMAGE_START, OPTYPE_ISCSI_ACTIVE,
2767                        BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_ISCSI},
2768                { BE3_REDBOOT_START, OPTYPE_REDBOOT,
2769                        BE3_REDBOOT_COMP_MAX_SIZE, IMAGE_BOOT_CODE},
2770                { BE3_ISCSI_BIOS_START, OPTYPE_BIOS,
2771                        BE3_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_ISCSI},
2772                { BE3_PXE_BIOS_START, OPTYPE_PXE_BIOS,
2773                        BE3_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_PXE},
2774                { BE3_FCOE_BIOS_START, OPTYPE_FCOE_BIOS,
2775                        BE3_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_FCOE},
2776                { BE3_ISCSI_BACKUP_IMAGE_START, OPTYPE_ISCSI_BACKUP,
2777                        BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_ISCSI},
2778                { BE3_FCOE_PRIMARY_IMAGE_START, OPTYPE_FCOE_FW_ACTIVE,
2779                        BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_FCOE},
2780                { BE3_FCOE_BACKUP_IMAGE_START, OPTYPE_FCOE_FW_BACKUP,
2781                        BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_FCOE},
2782                { BE3_NCSI_START, OPTYPE_NCSI_FW,
2783                        BE3_NCSI_COMP_MAX_SIZE, IMAGE_NCSI},
2784                { BE3_PHY_FW_START, OPTYPE_PHY_FW,
2785                        BE3_PHY_FW_COMP_MAX_SIZE, IMAGE_FIRMWARE_PHY}
2786        };
2787
2788        struct flash_comp gen2_flash_types[] = {
2789                { BE2_ISCSI_PRIMARY_IMAGE_START, OPTYPE_ISCSI_ACTIVE,
2790                        BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_ISCSI},
2791                { BE2_REDBOOT_START, OPTYPE_REDBOOT,
2792                        BE2_REDBOOT_COMP_MAX_SIZE, IMAGE_BOOT_CODE},
2793                { BE2_ISCSI_BIOS_START, OPTYPE_BIOS,
2794                        BE2_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_ISCSI},
2795                { BE2_PXE_BIOS_START, OPTYPE_PXE_BIOS,
2796                        BE2_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_PXE},
2797                { BE2_FCOE_BIOS_START, OPTYPE_FCOE_BIOS,
2798                        BE2_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_FCOE},
2799                { BE2_ISCSI_BACKUP_IMAGE_START, OPTYPE_ISCSI_BACKUP,
2800                        BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_ISCSI},
2801                { BE2_FCOE_PRIMARY_IMAGE_START, OPTYPE_FCOE_FW_ACTIVE,
2802                        BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_FCOE},
2803                { BE2_FCOE_BACKUP_IMAGE_START, OPTYPE_FCOE_FW_BACKUP,
2804                         BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_FCOE}
2805        };
2806
2807        if (BE3_chip(adapter)) {
2808                pflashcomp = gen3_flash_types;
2809                filehdr_size = sizeof(struct flash_file_hdr_g3);
2810                num_comp = ARRAY_SIZE(gen3_flash_types);
2811        } else {
2812                pflashcomp = gen2_flash_types;
2813                filehdr_size = sizeof(struct flash_file_hdr_g2);
2814                num_comp = ARRAY_SIZE(gen2_flash_types);
2815                img_hdrs_size = 0;
2816        }
2817
2818        /* Get flash section info*/
2819        fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw);
2820        if (!fsec) {
2821                dev_err(dev, "Invalid Cookie. FW image may be corrupted\n");
2822                return -1;
2823        }
2824        for (i = 0; i < num_comp; i++) {
2825                if (!is_comp_in_ufi(adapter, fsec, pflashcomp[i].img_type))
2826                        continue;
2827
2828                if ((pflashcomp[i].optype == OPTYPE_NCSI_FW) &&
2829                    !be_fw_ncsi_supported(adapter->fw_ver)) {
2830                        dev_info(dev, NCSI_UPDATE_LOG, adapter->fw_ver);
2831                        continue;
2832                }
2833
2834                if (pflashcomp[i].optype == OPTYPE_PHY_FW  &&
2835                    !phy_flashing_required(adapter))
2836                        continue;
2837
2838                if (pflashcomp[i].optype == OPTYPE_REDBOOT) {
2839                        status = be_check_flash_crc(adapter, fw->data,
2840                                                    pflashcomp[i].offset,
2841                                                    pflashcomp[i].size,
2842                                                    filehdr_size +
2843                                                    img_hdrs_size,
2844                                                    OPTYPE_REDBOOT, &crc_match);
2845                        if (status) {
2846                                dev_err(dev,
2847                                        "Could not get CRC for 0x%x region\n",
2848                                        pflashcomp[i].optype);
2849                                continue;
2850                        }
2851
2852                        if (crc_match)
2853                                continue;
2854                }
2855
2856                p = fw->data + filehdr_size + pflashcomp[i].offset +
2857                        img_hdrs_size;
2858                if (p + pflashcomp[i].size > fw->data + fw->size)
2859                        return -1;
2860
2861                status = be_flash(adapter, p, flash_cmd, pflashcomp[i].optype,
2862                                  pflashcomp[i].size, 0);
2863                if (status) {
2864                        dev_err(dev, "Flashing section type 0x%x failed\n",
2865                                pflashcomp[i].img_type);
2866                        return status;
2867                }
2868        }
2869        return 0;
2870}
2871
2872static u16 be_get_img_optype(struct flash_section_entry fsec_entry)
2873{
2874        u32 img_type = le32_to_cpu(fsec_entry.type);
2875        u16 img_optype = le16_to_cpu(fsec_entry.optype);
2876
2877        if (img_optype != 0xFFFF)
2878                return img_optype;
2879
2880        switch (img_type) {
2881        case IMAGE_FIRMWARE_ISCSI:
2882                img_optype = OPTYPE_ISCSI_ACTIVE;
2883                break;
2884        case IMAGE_BOOT_CODE:
2885                img_optype = OPTYPE_REDBOOT;
2886                break;
2887        case IMAGE_OPTION_ROM_ISCSI:
2888                img_optype = OPTYPE_BIOS;
2889                break;
2890        case IMAGE_OPTION_ROM_PXE:
2891                img_optype = OPTYPE_PXE_BIOS;
2892                break;
2893        case IMAGE_OPTION_ROM_FCOE:
2894                img_optype = OPTYPE_FCOE_BIOS;
2895                break;
2896        case IMAGE_FIRMWARE_BACKUP_ISCSI:
2897                img_optype = OPTYPE_ISCSI_BACKUP;
2898                break;
2899        case IMAGE_NCSI:
2900                img_optype = OPTYPE_NCSI_FW;
2901                break;
2902        case IMAGE_FLASHISM_JUMPVECTOR:
2903                img_optype = OPTYPE_FLASHISM_JUMPVECTOR;
2904                break;
2905        case IMAGE_FIRMWARE_PHY:
2906                img_optype = OPTYPE_SH_PHY_FW;
2907                break;
2908        case IMAGE_REDBOOT_DIR:
2909                img_optype = OPTYPE_REDBOOT_DIR;
2910                break;
2911        case IMAGE_REDBOOT_CONFIG:
2912                img_optype = OPTYPE_REDBOOT_CONFIG;
2913                break;
2914        case IMAGE_UFI_DIR:
2915                img_optype = OPTYPE_UFI_DIR;
2916                break;
2917        default:
2918                break;
2919        }
2920
2921        return img_optype;
2922}
2923
2924static int be_flash_skyhawk(struct be_adapter *adapter,
2925                            const struct firmware *fw,
2926                            struct be_dma_mem *flash_cmd, int num_of_images)
2927{
2928        int img_hdrs_size = num_of_images * sizeof(struct image_hdr);
2929        bool crc_match, old_fw_img, flash_offset_support = true;
2930        struct device *dev = &adapter->pdev->dev;
2931        struct flash_section_info *fsec = NULL;
2932        u32 img_offset, img_size, img_type;
2933        u16 img_optype, flash_optype;
2934        int status, i, filehdr_size;
2935        const u8 *p;
2936
2937        filehdr_size = sizeof(struct flash_file_hdr_g3);
2938        fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw);
2939        if (!fsec) {
2940                dev_err(dev, "Invalid Cookie. FW image may be corrupted\n");
2941                return -EINVAL;
2942        }
2943
2944retry_flash:
2945        for (i = 0; i < le32_to_cpu(fsec->fsec_hdr.num_images); i++) {
2946                img_offset = le32_to_cpu(fsec->fsec_entry[i].offset);
2947                img_size   = le32_to_cpu(fsec->fsec_entry[i].pad_size);
2948                img_type   = le32_to_cpu(fsec->fsec_entry[i].type);
2949                img_optype = be_get_img_optype(fsec->fsec_entry[i]);
2950                old_fw_img = fsec->fsec_entry[i].optype == 0xFFFF;
2951
2952                if (img_optype == 0xFFFF)
2953                        continue;
2954
2955                if (flash_offset_support)
2956                        flash_optype = OPTYPE_OFFSET_SPECIFIED;
2957                else
2958                        flash_optype = img_optype;
2959
2960                /* Don't bother verifying CRC if an old FW image is being
2961                 * flashed
2962                 */
2963                if (old_fw_img)
2964                        goto flash;
2965
2966                status = be_check_flash_crc(adapter, fw->data, img_offset,
2967                                            img_size, filehdr_size +
2968                                            img_hdrs_size, flash_optype,
2969                                            &crc_match);
2970                if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST ||
2971                    base_status(status) == MCC_STATUS_ILLEGAL_FIELD) {
2972                        /* The current FW image on the card does not support
2973                         * OFFSET based flashing. Retry using older mechanism
2974                         * of OPTYPE based flashing
2975                         */
2976                        if (flash_optype == OPTYPE_OFFSET_SPECIFIED) {
2977                                flash_offset_support = false;
2978                                goto retry_flash;
2979                        }
2980
2981                        /* The current FW image on the card does not recognize
2982                         * the new FLASH op_type. The FW download is partially
2983                         * complete. Reboot the server now to enable FW image
2984                         * to recognize the new FLASH op_type. To complete the
2985                         * remaining process, download the same FW again after
2986                         * the reboot.
2987                         */
2988                        dev_err(dev, "Flash incomplete. Reset the server\n");
2989                        dev_err(dev, "Download FW image again after reset\n");
2990                        return -EAGAIN;
2991                } else if (status) {
2992                        dev_err(dev, "Could not get CRC for 0x%x region\n",
2993                                img_optype);
2994                        return -EFAULT;
2995                }
2996
2997                if (crc_match)
2998                        continue;
2999
3000flash:
3001                p = fw->data + filehdr_size + img_offset + img_hdrs_size;
3002                if (p + img_size > fw->data + fw->size)
3003                        return -1;
3004
3005                status = be_flash(adapter, p, flash_cmd, flash_optype, img_size,
3006                                  img_offset);
3007
3008                /* The current FW image on the card does not support OFFSET
3009                 * based flashing. Retry using older mechanism of OPTYPE based
3010                 * flashing
3011                 */
3012                if (base_status(status) == MCC_STATUS_ILLEGAL_FIELD &&
3013                    flash_optype == OPTYPE_OFFSET_SPECIFIED) {
3014                        flash_offset_support = false;
3015                        goto retry_flash;
3016                }
3017
3018                /* For old FW images ignore ILLEGAL_FIELD error or errors on
3019                 * UFI_DIR region
3020                 */
3021                if (old_fw_img &&
3022                    (base_status(status) == MCC_STATUS_ILLEGAL_FIELD ||
3023                     (img_optype == OPTYPE_UFI_DIR &&
3024                      base_status(status) == MCC_STATUS_FAILED))) {
3025                        continue;
3026                } else if (status) {
3027                        dev_err(dev, "Flashing section type 0x%x failed\n",
3028                                img_type);
3029
3030                        switch (addl_status(status)) {
3031                        case MCC_ADDL_STATUS_MISSING_SIGNATURE:
3032                                dev_err(dev,
3033                                        "Digital signature missing in FW\n");
3034                                return -EINVAL;
3035                        case MCC_ADDL_STATUS_INVALID_SIGNATURE:
3036                                dev_err(dev,
3037                                        "Invalid digital signature in FW\n");
3038                                return -EINVAL;
3039                        default:
3040                                return -EFAULT;
3041                        }
3042                }
3043        }
3044        return 0;
3045}
3046
3047int lancer_fw_download(struct be_adapter *adapter,
3048                       const struct firmware *fw)
3049{
3050        struct device *dev = &adapter->pdev->dev;
3051        struct be_dma_mem flash_cmd;
3052        const u8 *data_ptr = NULL;
3053        u8 *dest_image_ptr = NULL;
3054        size_t image_size = 0;
3055        u32 chunk_size = 0;
3056        u32 data_written = 0;
3057        u32 offset = 0;
3058        int status = 0;
3059        u8 add_status = 0;
3060        u8 change_status;
3061
3062        if (!IS_ALIGNED(fw->size, sizeof(u32))) {
3063                dev_err(dev, "FW image size should be multiple of 4\n");
3064                return -EINVAL;
3065        }
3066
3067        flash_cmd.size = sizeof(struct lancer_cmd_req_write_object)
3068                                + LANCER_FW_DOWNLOAD_CHUNK;
3069        flash_cmd.va = dma_zalloc_coherent(dev, flash_cmd.size,
3070                                           &flash_cmd.dma, GFP_KERNEL);
3071        if (!flash_cmd.va)
3072                return -ENOMEM;
3073
3074        dest_image_ptr = flash_cmd.va +
3075                                sizeof(struct lancer_cmd_req_write_object);
3076        image_size = fw->size;
3077        data_ptr = fw->data;
3078
3079        while (image_size) {
3080                chunk_size = min_t(u32, image_size, LANCER_FW_DOWNLOAD_CHUNK);
3081
3082                /* Copy the image chunk content. */
3083                memcpy(dest_image_ptr, data_ptr, chunk_size);
3084
3085                status = lancer_cmd_write_object(adapter, &flash_cmd,
3086                                                 chunk_size, offset,
3087                                                 LANCER_FW_DOWNLOAD_LOCATION,
3088                                                 &data_written, &change_status,
3089                                                 &add_status);
3090                if (status)
3091                        break;
3092
3093                offset += data_written;
3094                data_ptr += data_written;
3095                image_size -= data_written;
3096        }
3097
3098        if (!status) {
3099                /* Commit the FW written */
3100                status = lancer_cmd_write_object(adapter, &flash_cmd,
3101                                                 0, offset,
3102                                                 LANCER_FW_DOWNLOAD_LOCATION,
3103                                                 &data_written, &change_status,
3104                                                 &add_status);
3105        }
3106
3107        dma_free_coherent(dev, flash_cmd.size, flash_cmd.va, flash_cmd.dma);
3108        if (status) {
3109                dev_err(dev, "Firmware load error\n");
3110                return be_cmd_status(status);
3111        }
3112
3113        dev_info(dev, "Firmware flashed successfully\n");
3114
3115        if (change_status == LANCER_FW_RESET_NEEDED) {
3116                dev_info(dev, "Resetting adapter to activate new FW\n");
3117                status = lancer_physdev_ctrl(adapter,
3118                                             PHYSDEV_CONTROL_FW_RESET_MASK);
3119                if (status) {
3120                        dev_err(dev, "Adapter busy, could not reset FW\n");
3121                        dev_err(dev, "Reboot server to activate new FW\n");
3122                }
3123        } else if (change_status != LANCER_NO_RESET_NEEDED) {
3124                dev_info(dev, "Reboot server to activate new FW\n");
3125        }
3126
3127        return 0;
3128}
3129
3130/* Check if the flash image file is compatible with the adapter that
3131 * is being flashed.
3132 */
3133static bool be_check_ufi_compatibility(struct be_adapter *adapter,
3134                                       struct flash_file_hdr_g3 *fhdr)
3135{
3136        if (!fhdr) {
3137                dev_err(&adapter->pdev->dev, "Invalid FW UFI file");
3138                return false;
3139        }
3140
3141        /* First letter of the build version is used to identify
3142         * which chip this image file is meant for.
3143         */
3144        switch (fhdr->build[0]) {
3145        case BLD_STR_UFI_TYPE_SH:
3146                if (!skyhawk_chip(adapter))
3147                        return false;
3148                break;
3149        case BLD_STR_UFI_TYPE_BE3:
3150                if (!BE3_chip(adapter))
3151                        return false;
3152                break;
3153        case BLD_STR_UFI_TYPE_BE2:
3154                if (!BE2_chip(adapter))
3155                        return false;
3156                break;
3157        default:
3158                return false;
3159        }
3160
3161        /* In BE3 FW images the "asic_type_rev" field doesn't track the
3162         * asic_rev of the chips it is compatible with.
3163         * When asic_type_rev is 0 the image is compatible only with
3164         * pre-BE3-R chips (asic_rev < 0x10)
3165         */
3166        if (BEx_chip(adapter) && fhdr->asic_type_rev == 0)
3167                return adapter->asic_rev < 0x10;
3168        else
3169                return (fhdr->asic_type_rev >= adapter->asic_rev);
3170}
3171
3172int be_fw_download(struct be_adapter *adapter, const struct firmware *fw)
3173{
3174        struct device *dev = &adapter->pdev->dev;
3175        struct flash_file_hdr_g3 *fhdr3;
3176        struct image_hdr *img_hdr_ptr;
3177        int status = 0, i, num_imgs;
3178        struct be_dma_mem flash_cmd;
3179
3180        fhdr3 = (struct flash_file_hdr_g3 *)fw->data;
3181        if (!be_check_ufi_compatibility(adapter, fhdr3)) {
3182                dev_err(dev, "Flash image is not compatible with adapter\n");
3183                return -EINVAL;
3184        }
3185
3186        flash_cmd.size = sizeof(struct be_cmd_write_flashrom);
3187        flash_cmd.va = dma_zalloc_coherent(dev, flash_cmd.size, &flash_cmd.dma,
3188                                           GFP_KERNEL);
3189        if (!flash_cmd.va)
3190                return -ENOMEM;
3191
3192        num_imgs = le32_to_cpu(fhdr3->num_imgs);
3193        for (i = 0; i < num_imgs; i++) {
3194                img_hdr_ptr = (struct image_hdr *)(fw->data +
3195                                (sizeof(struct flash_file_hdr_g3) +
3196                                 i * sizeof(struct image_hdr)));
3197                if (!BE2_chip(adapter) &&
3198                    le32_to_cpu(img_hdr_ptr->imageid) != 1)
3199                        continue;
3200
3201                if (skyhawk_chip(adapter))
3202                        status = be_flash_skyhawk(adapter, fw, &flash_cmd,
3203                                                  num_imgs);
3204                else
3205                        status = be_flash_BEx(adapter, fw, &flash_cmd,
3206                                              num_imgs);
3207        }
3208
3209        dma_free_coherent(dev, flash_cmd.size, flash_cmd.va, flash_cmd.dma);
3210        if (!status)
3211                dev_info(dev, "Firmware flashed successfully\n");
3212
3213        return status;
3214}
3215
3216int be_cmd_enable_magic_wol(struct be_adapter *adapter, u8 *mac,
3217                            struct be_dma_mem *nonemb_cmd)
3218{
3219        struct be_mcc_wrb *wrb;
3220        struct be_cmd_req_acpi_wol_magic_config *req;
3221        int status;
3222
3223        mutex_lock(&adapter->mcc_lock);
3224
3225        wrb = wrb_from_mccq(adapter);
3226        if (!wrb) {
3227                status = -EBUSY;
3228                goto err;
3229        }
3230        req = nonemb_cmd->va;
3231
3232        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
3233                               OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG, sizeof(*req),
3234                               wrb, nonemb_cmd);
3235        memcpy(req->magic_mac, mac, ETH_ALEN);
3236
3237        status = be_mcc_notify_wait(adapter);
3238
3239err:
3240        mutex_unlock(&adapter->mcc_lock);
3241        return status;
3242}
3243
3244int be_cmd_set_loopback(struct be_adapter *adapter, u8 port_num,
3245                        u8 loopback_type, u8 enable)
3246{
3247        struct be_mcc_wrb *wrb;
3248        struct be_cmd_req_set_lmode *req;
3249        int status;
3250
3251        if (!be_cmd_allowed(adapter, OPCODE_LOWLEVEL_SET_LOOPBACK_MODE,
3252                            CMD_SUBSYSTEM_LOWLEVEL))
3253                return -EPERM;
3254
3255        mutex_lock(&adapter->mcc_lock);
3256
3257        wrb = wrb_from_mccq(adapter);
3258        if (!wrb) {
3259                status = -EBUSY;
3260                goto err_unlock;
3261        }
3262
3263        req = embedded_payload(wrb);
3264
3265        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
3266                               OPCODE_LOWLEVEL_SET_LOOPBACK_MODE, sizeof(*req),
3267                               wrb, NULL);
3268
3269        req->src_port = port_num;
3270        req->dest_port = port_num;
3271        req->loopback_type = loopback_type;
3272        req->loopback_state = enable;
3273
3274        status = be_mcc_notify(adapter);
3275        if (status)
3276                goto err_unlock;
3277
3278        mutex_unlock(&adapter->mcc_lock);
3279
3280        if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
3281                                         msecs_to_jiffies(SET_LB_MODE_TIMEOUT)))
3282                status = -ETIMEDOUT;
3283
3284        return status;
3285
3286err_unlock:
3287        mutex_unlock(&adapter->mcc_lock);
3288        return status;
3289}
3290
3291int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num,
3292                         u32 loopback_type, u32 pkt_size, u32 num_pkts,
3293                         u64 pattern)
3294{
3295        struct be_mcc_wrb *wrb;
3296        struct be_cmd_req_loopback_test *req;
3297        struct be_cmd_resp_loopback_test *resp;
3298        int status;
3299
3300        if (!be_cmd_allowed(adapter, OPCODE_LOWLEVEL_LOOPBACK_TEST,
3301                            CMD_SUBSYSTEM_LOWLEVEL))
3302                return -EPERM;
3303
3304        mutex_lock(&adapter->mcc_lock);
3305
3306        wrb = wrb_from_mccq(adapter);
3307        if (!wrb) {
3308                status = -EBUSY;
3309                goto err;
3310        }
3311
3312        req = embedded_payload(wrb);
3313
3314        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
3315                               OPCODE_LOWLEVEL_LOOPBACK_TEST, sizeof(*req), wrb,
3316                               NULL);
3317
3318        req->hdr.timeout = cpu_to_le32(15);
3319        req->pattern = cpu_to_le64(pattern);
3320        req->src_port = cpu_to_le32(port_num);
3321        req->dest_port = cpu_to_le32(port_num);
3322        req->pkt_size = cpu_to_le32(pkt_size);
3323        req->num_pkts = cpu_to_le32(num_pkts);
3324        req->loopback_type = cpu_to_le32(loopback_type);
3325
3326        status = be_mcc_notify(adapter);
3327        if (status)
3328                goto err;
3329
3330        mutex_unlock(&adapter->mcc_lock);
3331
3332        wait_for_completion(&adapter->et_cmd_compl);
3333        resp = embedded_payload(wrb);
3334        status = le32_to_cpu(resp->status);
3335
3336        return status;
3337err:
3338        mutex_unlock(&adapter->mcc_lock);
3339        return status;
3340}
3341
3342int be_cmd_ddr_dma_test(struct be_adapter *adapter, u64 pattern,
3343                        u32 byte_cnt, struct be_dma_mem *cmd)
3344{
3345        struct be_mcc_wrb *wrb;
3346        struct be_cmd_req_ddrdma_test *req;
3347        int status;
3348        int i, j = 0;
3349
3350        if (!be_cmd_allowed(adapter, OPCODE_LOWLEVEL_HOST_DDR_DMA,
3351                            CMD_SUBSYSTEM_LOWLEVEL))
3352                return -EPERM;
3353
3354        mutex_lock(&adapter->mcc_lock);
3355
3356        wrb = wrb_from_mccq(adapter);
3357        if (!wrb) {
3358                status = -EBUSY;
3359                goto err;
3360        }
3361        req = cmd->va;
3362        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
3363                               OPCODE_LOWLEVEL_HOST_DDR_DMA, cmd->size, wrb,
3364                               cmd);
3365
3366        req->pattern = cpu_to_le64(pattern);
3367        req->byte_count = cpu_to_le32(byte_cnt);
3368        for (i = 0; i < byte_cnt; i++) {
3369                req->snd_buff[i] = (u8)(pattern >> (j*8));
3370                j++;
3371                if (j > 7)
3372                        j = 0;
3373        }
3374
3375        status = be_mcc_notify_wait(adapter);
3376
3377        if (!status) {
3378                struct be_cmd_resp_ddrdma_test *resp;
3379
3380                resp = cmd->va;
3381                if ((memcmp(resp->rcv_buff, req->snd_buff, byte_cnt) != 0) ||
3382                    resp->snd_err) {
3383                        status = -1;
3384                }
3385        }
3386
3387err:
3388        mutex_unlock(&adapter->mcc_lock);
3389        return status;
3390}
3391
3392int be_cmd_get_seeprom_data(struct be_adapter *adapter,
3393                            struct be_dma_mem *nonemb_cmd)
3394{
3395        struct be_mcc_wrb *wrb;
3396        struct be_cmd_req_seeprom_read *req;
3397        int status;
3398
3399        mutex_lock(&adapter->mcc_lock);
3400
3401        wrb = wrb_from_mccq(adapter);
3402        if (!wrb) {
3403                status = -EBUSY;
3404                goto err;
3405        }
3406        req = nonemb_cmd->va;
3407
3408        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3409                               OPCODE_COMMON_SEEPROM_READ, sizeof(*req), wrb,
3410                               nonemb_cmd);
3411
3412        status = be_mcc_notify_wait(adapter);
3413
3414err:
3415        mutex_unlock(&adapter->mcc_lock);
3416        return status;
3417}
3418
3419int be_cmd_get_phy_info(struct be_adapter *adapter)
3420{
3421        struct be_mcc_wrb *wrb;
3422        struct be_cmd_req_get_phy_info *req;
3423        struct be_dma_mem cmd;
3424        int status;
3425
3426        if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_PHY_DETAILS,
3427                            CMD_SUBSYSTEM_COMMON))
3428                return -EPERM;
3429
3430        mutex_lock(&adapter->mcc_lock);
3431
3432        wrb = wrb_from_mccq(adapter);
3433        if (!wrb) {
3434                status = -EBUSY;
3435                goto err;
3436        }
3437        cmd.size = sizeof(struct be_cmd_req_get_phy_info);
3438        cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
3439                                     GFP_ATOMIC);
3440        if (!cmd.va) {
3441                dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
3442                status = -ENOMEM;
3443                goto err;
3444        }
3445
3446        req = cmd.va;
3447
3448        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3449                               OPCODE_COMMON_GET_PHY_DETAILS, sizeof(*req),
3450                               wrb, &cmd);
3451
3452        status = be_mcc_notify_wait(adapter);
3453        if (!status) {
3454                struct be_phy_info *resp_phy_info =
3455                                cmd.va + sizeof(struct be_cmd_req_hdr);
3456
3457                adapter->phy.phy_type = le16_to_cpu(resp_phy_info->phy_type);
3458                adapter->phy.interface_type =
3459                        le16_to_cpu(resp_phy_info->interface_type);
3460                adapter->phy.auto_speeds_supported =
3461                        le16_to_cpu(resp_phy_info->auto_speeds_supported);
3462                adapter->phy.fixed_speeds_supported =
3463                        le16_to_cpu(resp_phy_info->fixed_speeds_supported);
3464                adapter->phy.misc_params =
3465                        le32_to_cpu(resp_phy_info->misc_params);
3466
3467                if (BE2_chip(adapter)) {
3468                        adapter->phy.fixed_speeds_supported =
3469                                BE_SUPPORTED_SPEED_10GBPS |
3470                                BE_SUPPORTED_SPEED_1GBPS;
3471                }
3472        }
3473        dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
3474err:
3475        mutex_unlock(&adapter->mcc_lock);
3476        return status;
3477}
3478
3479static int be_cmd_set_qos(struct be_adapter *adapter, u32 bps, u32 domain)
3480{
3481        struct be_mcc_wrb *wrb;
3482        struct be_cmd_req_set_qos *req;
3483        int status;
3484
3485        mutex_lock(&adapter->mcc_lock);
3486
3487        wrb = wrb_from_mccq(adapter);
3488        if (!wrb) {
3489                status = -EBUSY;
3490                goto err;
3491        }
3492
3493        req = embedded_payload(wrb);
3494
3495        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3496                               OPCODE_COMMON_SET_QOS, sizeof(*req), wrb, NULL);
3497
3498        req->hdr.domain = domain;
3499        req->valid_bits = cpu_to_le32(BE_QOS_BITS_NIC);
3500        req->max_bps_nic = cpu_to_le32(bps);
3501
3502        status = be_mcc_notify_wait(adapter);
3503
3504err:
3505        mutex_unlock(&adapter->mcc_lock);
3506        return status;
3507}
3508
3509int be_cmd_get_cntl_attributes(struct be_adapter *adapter)
3510{
3511        struct be_mcc_wrb *wrb;
3512        struct be_cmd_req_cntl_attribs *req;
3513        struct be_cmd_resp_cntl_attribs *resp;
3514        int status, i;
3515        int payload_len = max(sizeof(*req), sizeof(*resp));
3516        struct mgmt_controller_attrib *attribs;
3517        struct be_dma_mem attribs_cmd;
3518        u32 *serial_num;
3519
3520        if (mutex_lock_interruptible(&adapter->mbox_lock))
3521                return -1;
3522
3523        memset(&attribs_cmd, 0, sizeof(struct be_dma_mem));
3524        attribs_cmd.size = sizeof(struct be_cmd_resp_cntl_attribs);
3525        attribs_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
3526                                             attribs_cmd.size,
3527                                             &attribs_cmd.dma, GFP_ATOMIC);
3528        if (!attribs_cmd.va) {
3529                dev_err(&adapter->pdev->dev, "Memory allocation failure\n");
3530                status = -ENOMEM;
3531                goto err;
3532        }
3533
3534        wrb = wrb_from_mbox(adapter);
3535        if (!wrb) {
3536                status = -EBUSY;
3537                goto err;
3538        }
3539        req = attribs_cmd.va;
3540
3541        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3542                               OPCODE_COMMON_GET_CNTL_ATTRIBUTES, payload_len,
3543                               wrb, &attribs_cmd);
3544
3545        status = be_mbox_notify_wait(adapter);
3546        if (!status) {
3547                attribs = attribs_cmd.va + sizeof(struct be_cmd_resp_hdr);
3548                adapter->hba_port_num = attribs->hba_attribs.phy_port;
3549                serial_num = attribs->hba_attribs.controller_serial_number;
3550                for (i = 0; i < CNTL_SERIAL_NUM_WORDS; i++)
3551                        adapter->serial_num[i] = le32_to_cpu(serial_num[i]) &
3552                                (BIT_MASK(16) - 1);
3553                /* For BEx, since GET_FUNC_CONFIG command is not
3554                 * supported, we read funcnum here as a workaround.
3555                 */
3556                if (BEx_chip(adapter))
3557                        adapter->pf_num = attribs->hba_attribs.pci_funcnum;
3558        }
3559
3560err:
3561        mutex_unlock(&adapter->mbox_lock);
3562        if (attribs_cmd.va)
3563                dma_free_coherent(&adapter->pdev->dev, attribs_cmd.size,
3564                                  attribs_cmd.va, attribs_cmd.dma);
3565        return status;
3566}
3567
3568/* Uses mbox */
3569int be_cmd_req_native_mode(struct be_adapter *adapter)
3570{
3571        struct be_mcc_wrb *wrb;
3572        struct be_cmd_req_set_func_cap *req;
3573        int status;
3574
3575        if (mutex_lock_interruptible(&adapter->mbox_lock))
3576                return -1;
3577
3578        wrb = wrb_from_mbox(adapter);
3579        if (!wrb) {
3580                status = -EBUSY;
3581                goto err;
3582        }
3583
3584        req = embedded_payload(wrb);
3585
3586        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3587                               OPCODE_COMMON_SET_DRIVER_FUNCTION_CAP,
3588                               sizeof(*req), wrb, NULL);
3589
3590        req->valid_cap_flags = cpu_to_le32(CAPABILITY_SW_TIMESTAMPS |
3591                                CAPABILITY_BE3_NATIVE_ERX_API);
3592        req->cap_flags = cpu_to_le32(CAPABILITY_BE3_NATIVE_ERX_API);
3593
3594        status = be_mbox_notify_wait(adapter);
3595        if (!status) {
3596                struct be_cmd_resp_set_func_cap *resp = embedded_payload(wrb);
3597
3598                adapter->be3_native = le32_to_cpu(resp->cap_flags) &
3599                                        CAPABILITY_BE3_NATIVE_ERX_API;
3600                if (!adapter->be3_native)
3601                        dev_warn(&adapter->pdev->dev,
3602                                 "adapter not in advanced mode\n");
3603        }
3604err:
3605        mutex_unlock(&adapter->mbox_lock);
3606        return status;
3607}
3608
3609/* Get privilege(s) for a function */
3610int be_cmd_get_fn_privileges(struct be_adapter *adapter, u32 *privilege,
3611                             u32 domain)
3612{
3613        struct be_mcc_wrb *wrb;
3614        struct be_cmd_req_get_fn_privileges *req;
3615        int status;
3616
3617        mutex_lock(&adapter->mcc_lock);
3618
3619        wrb = wrb_from_mccq(adapter);
3620        if (!wrb) {
3621                status = -EBUSY;
3622                goto err;
3623        }
3624
3625        req = embedded_payload(wrb);
3626
3627        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3628                               OPCODE_COMMON_GET_FN_PRIVILEGES, sizeof(*req),
3629                               wrb, NULL);
3630
3631        req->hdr.domain = domain;
3632
3633        status = be_mcc_notify_wait(adapter);
3634        if (!status) {
3635                struct be_cmd_resp_get_fn_privileges *resp =
3636                                                embedded_payload(wrb);
3637
3638                *privilege = le32_to_cpu(resp->privilege_mask);
3639
3640                /* In UMC mode FW does not return right privileges.
3641                 * Override with correct privilege equivalent to PF.
3642                 */
3643                if (BEx_chip(adapter) && be_is_mc(adapter) &&
3644                    be_physfn(adapter))
3645                        *privilege = MAX_PRIVILEGES;
3646        }
3647
3648err:
3649        mutex_unlock(&adapter->mcc_lock);
3650        return status;
3651}
3652
3653/* Set privilege(s) for a function */
3654int be_cmd_set_fn_privileges(struct be_adapter *adapter, u32 privileges,
3655                             u32 domain)
3656{
3657        struct be_mcc_wrb *wrb;
3658        struct be_cmd_req_set_fn_privileges *req;
3659        int status;
3660
3661        mutex_lock(&adapter->mcc_lock);
3662
3663        wrb = wrb_from_mccq(adapter);
3664        if (!wrb) {
3665                status = -EBUSY;
3666                goto err;
3667        }
3668
3669        req = embedded_payload(wrb);
3670        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3671                               OPCODE_COMMON_SET_FN_PRIVILEGES, sizeof(*req),
3672                               wrb, NULL);
3673        req->hdr.domain = domain;
3674        if (lancer_chip(adapter))
3675                req->privileges_lancer = cpu_to_le32(privileges);
3676        else
3677                req->privileges = cpu_to_le32(privileges);
3678
3679        status = be_mcc_notify_wait(adapter);
3680err:
3681        mutex_unlock(&adapter->mcc_lock);
3682        return status;
3683}
3684
3685/* pmac_id_valid: true => pmac_id is supplied and MAC address is requested.
3686 * pmac_id_valid: false => pmac_id or MAC address is requested.
3687 *                If pmac_id is returned, pmac_id_valid is returned as true
3688 */
3689int be_cmd_get_mac_from_list(struct be_adapter *adapter, u8 *mac,
3690                             bool *pmac_id_valid, u32 *pmac_id, u32 if_handle,
3691                             u8 domain)
3692{
3693        struct be_mcc_wrb *wrb;
3694        struct be_cmd_req_get_mac_list *req;
3695        int status;
3696        int mac_count;
3697        struct be_dma_mem get_mac_list_cmd;
3698        int i;
3699
3700        memset(&get_mac_list_cmd, 0, sizeof(struct be_dma_mem));
3701        get_mac_list_cmd.size = sizeof(struct be_cmd_resp_get_mac_list);
3702        get_mac_list_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
3703                                                  get_mac_list_cmd.size,
3704                                                  &get_mac_list_cmd.dma,
3705                                                  GFP_ATOMIC);
3706
3707        if (!get_mac_list_cmd.va) {
3708                dev_err(&adapter->pdev->dev,
3709                        "Memory allocation failure during GET_MAC_LIST\n");
3710                return -ENOMEM;
3711        }
3712
3713        mutex_lock(&adapter->mcc_lock);
3714
3715        wrb = wrb_from_mccq(adapter);
3716        if (!wrb) {
3717                status = -EBUSY;
3718                goto out;
3719        }
3720
3721        req = get_mac_list_cmd.va;
3722
3723        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3724                               OPCODE_COMMON_GET_MAC_LIST,
3725                               get_mac_list_cmd.size, wrb, &get_mac_list_cmd);
3726        req->hdr.domain = domain;
3727        req->mac_type = MAC_ADDRESS_TYPE_NETWORK;
3728        if (*pmac_id_valid) {
3729                req->mac_id = cpu_to_le32(*pmac_id);
3730                req->iface_id = cpu_to_le16(if_handle);
3731                req->perm_override = 0;
3732        } else {
3733                req->perm_override = 1;
3734        }
3735
3736        status = be_mcc_notify_wait(adapter);
3737        if (!status) {
3738                struct be_cmd_resp_get_mac_list *resp =
3739                                                get_mac_list_cmd.va;
3740
3741                if (*pmac_id_valid) {
3742                        memcpy(mac, resp->macid_macaddr.mac_addr_id.macaddr,
3743                               ETH_ALEN);
3744                        goto out;
3745                }
3746
3747                mac_count = resp->true_mac_count + resp->pseudo_mac_count;
3748                /* Mac list returned could contain one or more active mac_ids
3749                 * or one or more true or pseudo permanent mac addresses.
3750                 * If an active mac_id is present, return first active mac_id
3751                 * found.
3752                 */
3753                for (i = 0; i < mac_count; i++) {
3754                        struct get_list_macaddr *mac_entry;
3755                        u16 mac_addr_size;
3756                        u32 mac_id;
3757
3758                        mac_entry = &resp->macaddr_list[i];
3759                        mac_addr_size = le16_to_cpu(mac_entry->mac_addr_size);
3760                        /* mac_id is a 32 bit value and mac_addr size
3761                         * is 6 bytes
3762                         */
3763                        if (mac_addr_size == sizeof(u32)) {
3764                                *pmac_id_valid = true;
3765                                mac_id = mac_entry->mac_addr_id.s_mac_id.mac_id;
3766                                *pmac_id = le32_to_cpu(mac_id);
3767                                goto out;
3768                        }
3769                }
3770                /* If no active mac_id found, return first mac addr */
3771                *pmac_id_valid = false;
3772                memcpy(mac, resp->macaddr_list[0].mac_addr_id.macaddr,
3773                       ETH_ALEN);
3774        }
3775
3776out:
3777        mutex_unlock(&adapter->mcc_lock);
3778        dma_free_coherent(&adapter->pdev->dev, get_mac_list_cmd.size,
3779                          get_mac_list_cmd.va, get_mac_list_cmd.dma);
3780        return status;
3781}
3782
3783int be_cmd_get_active_mac(struct be_adapter *adapter, u32 curr_pmac_id,
3784                          u8 *mac, u32 if_handle, bool active, u32 domain)
3785{
3786        if (!active)
3787                be_cmd_get_mac_from_list(adapter, mac, &active, &curr_pmac_id,
3788                                         if_handle, domain);
3789        if (BEx_chip(adapter))
3790                return be_cmd_mac_addr_query(adapter, mac, false,
3791                                             if_handle, curr_pmac_id);
3792        else
3793                /* Fetch the MAC address using pmac_id */
3794                return be_cmd_get_mac_from_list(adapter, mac, &active,
3795                                                &curr_pmac_id,
3796                                                if_handle, domain);
3797}
3798
3799int be_cmd_get_perm_mac(struct be_adapter *adapter, u8 *mac)
3800{
3801        int status;
3802        bool pmac_valid = false;
3803
3804        eth_zero_addr(mac);
3805
3806        if (BEx_chip(adapter)) {
3807                if (be_physfn(adapter))
3808                        status = be_cmd_mac_addr_query(adapter, mac, true, 0,
3809                                                       0);
3810                else
3811                        status = be_cmd_mac_addr_query(adapter, mac, false,
3812                                                       adapter->if_handle, 0);
3813        } else {
3814                status = be_cmd_get_mac_from_list(adapter, mac, &pmac_valid,
3815                                                  NULL, adapter->if_handle, 0);
3816        }
3817
3818        return status;
3819}
3820
3821/* Uses synchronous MCCQ */
3822int be_cmd_set_mac_list(struct be_adapter *adapter, u8 *mac_array,
3823                        u8 mac_count, u32 domain)
3824{
3825        struct be_mcc_wrb *wrb;
3826        struct be_cmd_req_set_mac_list *req;
3827        int status;
3828        struct be_dma_mem cmd;
3829
3830        memset(&cmd, 0, sizeof(struct be_dma_mem));
3831        cmd.size = sizeof(struct be_cmd_req_set_mac_list);
3832        cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
3833                                     GFP_KERNEL);
3834        if (!cmd.va)
3835                return -ENOMEM;
3836
3837        mutex_lock(&adapter->mcc_lock);
3838
3839        wrb = wrb_from_mccq(adapter);
3840        if (!wrb) {
3841                status = -EBUSY;
3842                goto err;
3843        }
3844
3845        req = cmd.va;
3846        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3847                               OPCODE_COMMON_SET_MAC_LIST, sizeof(*req),
3848                               wrb, &cmd);
3849
3850        req->hdr.domain = domain;
3851        req->mac_count = mac_count;
3852        if (mac_count)
3853                memcpy(req->mac, mac_array, ETH_ALEN*mac_count);
3854
3855        status = be_mcc_notify_wait(adapter);
3856
3857err:
3858        dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
3859        mutex_unlock(&adapter->mcc_lock);
3860        return status;
3861}
3862
3863/* Wrapper to delete any active MACs and provision the new mac.
3864 * Changes to MAC_LIST are allowed iff none of the MAC addresses in the
3865 * current list are active.
3866 */
3867int be_cmd_set_mac(struct be_adapter *adapter, u8 *mac, int if_id, u32 dom)
3868{
3869        bool active_mac = false;
3870        u8 old_mac[ETH_ALEN];
3871        u32 pmac_id;
3872        int status;
3873
3874        status = be_cmd_get_mac_from_list(adapter, old_mac, &active_mac,
3875                                          &pmac_id, if_id, dom);
3876
3877        if (!status && active_mac)
3878                be_cmd_pmac_del(adapter, if_id, pmac_id, dom);
3879
3880        return be_cmd_set_mac_list(adapter, mac, mac ? 1 : 0, dom);
3881}
3882
3883int be_cmd_set_hsw_config(struct be_adapter *adapter, u16 pvid,
3884                          u32 domain, u16 intf_id, u16 hsw_mode, u8 spoofchk)
3885{
3886        struct be_mcc_wrb *wrb;
3887        struct be_cmd_req_set_hsw_config *req;
3888        void *ctxt;
3889        int status;
3890
3891        if (!be_cmd_allowed(adapter, OPCODE_COMMON_SET_HSW_CONFIG,
3892                            CMD_SUBSYSTEM_COMMON))
3893                return -EPERM;
3894
3895        mutex_lock(&adapter->mcc_lock);
3896
3897        wrb = wrb_from_mccq(adapter);
3898        if (!wrb) {
3899                status = -EBUSY;
3900                goto err;
3901        }
3902
3903        req = embedded_payload(wrb);
3904        ctxt = &req->context;
3905
3906        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3907                               OPCODE_COMMON_SET_HSW_CONFIG, sizeof(*req), wrb,
3908                               NULL);
3909
3910        req->hdr.domain = domain;
3911        AMAP_SET_BITS(struct amap_set_hsw_context, interface_id, ctxt, intf_id);
3912        if (pvid) {
3913                AMAP_SET_BITS(struct amap_set_hsw_context, pvid_valid, ctxt, 1);
3914                AMAP_SET_BITS(struct amap_set_hsw_context, pvid, ctxt, pvid);
3915        }
3916        if (hsw_mode) {
3917                AMAP_SET_BITS(struct amap_set_hsw_context, interface_id,
3918                              ctxt, adapter->hba_port_num);
3919                AMAP_SET_BITS(struct amap_set_hsw_context, pport, ctxt, 1);
3920                AMAP_SET_BITS(struct amap_set_hsw_context, port_fwd_type,
3921                              ctxt, hsw_mode);
3922        }
3923
3924        /* Enable/disable both mac and vlan spoof checking */
3925        if (!BEx_chip(adapter) && spoofchk) {
3926                AMAP_SET_BITS(struct amap_set_hsw_context, mac_spoofchk,
3927                              ctxt, spoofchk);
3928                AMAP_SET_BITS(struct amap_set_hsw_context, vlan_spoofchk,
3929                              ctxt, spoofchk);
3930        }
3931
3932        be_dws_cpu_to_le(req->context, sizeof(req->context));
3933        status = be_mcc_notify_wait(adapter);
3934
3935err:
3936        mutex_unlock(&adapter->mcc_lock);
3937        return status;
3938}
3939
3940/* Get Hyper switch config */
3941int be_cmd_get_hsw_config(struct be_adapter *adapter, u16 *pvid,
3942                          u32 domain, u16 intf_id, u8 *mode, bool *spoofchk)
3943{
3944        struct be_mcc_wrb *wrb;
3945        struct be_cmd_req_get_hsw_config *req;
3946        void *ctxt;
3947        int status;
3948        u16 vid;
3949
3950        mutex_lock(&adapter->mcc_lock);
3951
3952        wrb = wrb_from_mccq(adapter);
3953        if (!wrb) {
3954                status = -EBUSY;
3955                goto err;
3956        }
3957
3958        req = embedded_payload(wrb);
3959        ctxt = &req->context;
3960
3961        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3962                               OPCODE_COMMON_GET_HSW_CONFIG, sizeof(*req), wrb,
3963                               NULL);
3964
3965        req->hdr.domain = domain;
3966        AMAP_SET_BITS(struct amap_get_hsw_req_context, interface_id,
3967                      ctxt, intf_id);
3968        AMAP_SET_BITS(struct amap_get_hsw_req_context, pvid_valid, ctxt, 1);
3969
3970        if (!BEx_chip(adapter) && mode) {
3971                AMAP_SET_BITS(struct amap_get_hsw_req_context, interface_id,
3972                              ctxt, adapter->hba_port_num);
3973                AMAP_SET_BITS(struct amap_get_hsw_req_context, pport, ctxt, 1);
3974        }
3975        be_dws_cpu_to_le(req->context, sizeof(req->context));
3976
3977        status = be_mcc_notify_wait(adapter);
3978        if (!status) {
3979                struct be_cmd_resp_get_hsw_config *resp =
3980                                                embedded_payload(wrb);
3981
3982                be_dws_le_to_cpu(&resp->context, sizeof(resp->context));
3983                vid = AMAP_GET_BITS(struct amap_get_hsw_resp_context,
3984                                    pvid, &resp->context);
3985                if (pvid)
3986                        *pvid = le16_to_cpu(vid);
3987                if (mode)
3988                        *mode = AMAP_GET_BITS(struct amap_get_hsw_resp_context,
3989                                              port_fwd_type, &resp->context);
3990                if (spoofchk)
3991                        *spoofchk =
3992                                AMAP_GET_BITS(struct amap_get_hsw_resp_context,
3993                                              spoofchk, &resp->context);
3994        }
3995
3996err:
3997        mutex_unlock(&adapter->mcc_lock);
3998        return status;
3999}
4000
4001static bool be_is_wol_excluded(struct be_adapter *adapter)
4002{
4003        struct pci_dev *pdev = adapter->pdev;
4004
4005        if (be_virtfn(adapter))
4006                return true;
4007
4008        switch (pdev->subsystem_device) {
4009        case OC_SUBSYS_DEVICE_ID1:
4010        case OC_SUBSYS_DEVICE_ID2:
4011        case OC_SUBSYS_DEVICE_ID3:
4012        case OC_SUBSYS_DEVICE_ID4:
4013                return true;
4014        default:
4015                return false;
4016        }
4017}
4018
4019int be_cmd_get_acpi_wol_cap(struct be_adapter *adapter)
4020{
4021        struct be_mcc_wrb *wrb;
4022        struct be_cmd_req_acpi_wol_magic_config_v1 *req;
4023        int status = 0;
4024        struct be_dma_mem cmd;
4025
4026        if (!be_cmd_allowed(adapter, OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
4027                            CMD_SUBSYSTEM_ETH))
4028                return -EPERM;
4029
4030        if (be_is_wol_excluded(adapter))
4031                return status;
4032
4033        if (mutex_lock_interruptible(&adapter->mbox_lock))
4034                return -1;
4035
4036        memset(&cmd, 0, sizeof(struct be_dma_mem));
4037        cmd.size = sizeof(struct be_cmd_resp_acpi_wol_magic_config_v1);
4038        cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
4039                                     GFP_ATOMIC);
4040        if (!cmd.va) {
4041                dev_err(&adapter->pdev->dev, "Memory allocation failure\n");
4042                status = -ENOMEM;
4043                goto err;
4044        }
4045
4046        wrb = wrb_from_mbox(adapter);
4047        if (!wrb) {
4048                status = -EBUSY;
4049                goto err;
4050        }
4051
4052        req = cmd.va;
4053
4054        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
4055                               OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
4056                               sizeof(*req), wrb, &cmd);
4057
4058        req->hdr.version = 1;
4059        req->query_options = BE_GET_WOL_CAP;
4060
4061        status = be_mbox_notify_wait(adapter);
4062        if (!status) {
4063                struct be_cmd_resp_acpi_wol_magic_config_v1 *resp;
4064
4065                resp = (struct be_cmd_resp_acpi_wol_magic_config_v1 *)cmd.va;
4066
4067                adapter->wol_cap = resp->wol_settings;
4068
4069                /* Non-zero macaddr indicates WOL is enabled */
4070                if (adapter->wol_cap & BE_WOL_CAP &&
4071                    !is_zero_ether_addr(resp->magic_mac))
4072                        adapter->wol_en = true;
4073        }
4074err:
4075        mutex_unlock(&adapter->mbox_lock);
4076        if (cmd.va)
4077                dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
4078                                  cmd.dma);
4079        return status;
4080
4081}
4082
4083int be_cmd_set_fw_log_level(struct be_adapter *adapter, u32 level)
4084{
4085        struct be_dma_mem extfat_cmd;
4086        struct be_fat_conf_params *cfgs;
4087        int status;
4088        int i, j;
4089
4090        memset(&extfat_cmd, 0, sizeof(struct be_dma_mem));
4091        extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps);
4092        extfat_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
4093                                            extfat_cmd.size, &extfat_cmd.dma,
4094                                            GFP_ATOMIC);
4095        if (!extfat_cmd.va)
4096                return -ENOMEM;
4097
4098        status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd);
4099        if (status)
4100                goto err;
4101
4102        cfgs = (struct be_fat_conf_params *)
4103                        (extfat_cmd.va + sizeof(struct be_cmd_resp_hdr));
4104        for (i = 0; i < le32_to_cpu(cfgs->num_modules); i++) {
4105                u32 num_modes = le32_to_cpu(cfgs->module[i].num_modes);
4106
4107                for (j = 0; j < num_modes; j++) {
4108                        if (cfgs->module[i].trace_lvl[j].mode == MODE_UART)
4109                                cfgs->module[i].trace_lvl[j].dbg_lvl =
4110                                                        cpu_to_le32(level);
4111                }
4112        }
4113
4114        status = be_cmd_set_ext_fat_capabilites(adapter, &extfat_cmd, cfgs);
4115err:
4116        dma_free_coherent(&adapter->pdev->dev, extfat_cmd.size, extfat_cmd.va,
4117                          extfat_cmd.dma);
4118        return status;
4119}
4120
4121int be_cmd_get_fw_log_level(struct be_adapter *adapter)
4122{
4123        struct be_dma_mem extfat_cmd;
4124        struct be_fat_conf_params *cfgs;
4125        int status, j;
4126        int level = 0;
4127
4128        memset(&extfat_cmd, 0, sizeof(struct be_dma_mem));
4129        extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps);
4130        extfat_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
4131                                            extfat_cmd.size, &extfat_cmd.dma,
4132                                            GFP_ATOMIC);
4133
4134        if (!extfat_cmd.va) {
4135                dev_err(&adapter->pdev->dev, "%s: Memory allocation failure\n",
4136                        __func__);
4137                goto err;
4138        }
4139
4140        status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd);
4141        if (!status) {
4142                cfgs = (struct be_fat_conf_params *)(extfat_cmd.va +
4143                                                sizeof(struct be_cmd_resp_hdr));
4144
4145                for (j = 0; j < le32_to_cpu(cfgs->module[0].num_modes); j++) {
4146                        if (cfgs->module[0].trace_lvl[j].mode == MODE_UART)
4147                                level = cfgs->module[0].trace_lvl[j].dbg_lvl;
4148                }
4149        }
4150        dma_free_coherent(&adapter->pdev->dev, extfat_cmd.size, extfat_cmd.va,
4151                          extfat_cmd.dma);
4152err:
4153        return level;
4154}
4155
4156int be_cmd_get_ext_fat_capabilites(struct be_adapter *adapter,
4157                                   struct be_dma_mem *cmd)
4158{
4159        struct be_mcc_wrb *wrb;
4160        struct be_cmd_req_get_ext_fat_caps *req;
4161        int status;
4162
4163        if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_EXT_FAT_CAPABILITIES,
4164                            CMD_SUBSYSTEM_COMMON))
4165                return -EPERM;
4166
4167        if (mutex_lock_interruptible(&adapter->mbox_lock))
4168                return -1;
4169
4170        wrb = wrb_from_mbox(adapter);
4171        if (!wrb) {
4172                status = -EBUSY;
4173                goto err;
4174        }
4175
4176        req = cmd->va;
4177        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4178                               OPCODE_COMMON_GET_EXT_FAT_CAPABILITIES,
4179                               cmd->size, wrb, cmd);
4180        req->parameter_type = cpu_to_le32(1);
4181
4182        status = be_mbox_notify_wait(adapter);
4183err:
4184        mutex_unlock(&adapter->mbox_lock);
4185        return status;
4186}
4187
4188int be_cmd_set_ext_fat_capabilites(struct be_adapter *adapter,
4189                                   struct be_dma_mem *cmd,
4190                                   struct be_fat_conf_params *configs)
4191{
4192        struct be_mcc_wrb *wrb;
4193        struct be_cmd_req_set_ext_fat_caps *req;
4194        int status;
4195
4196        mutex_lock(&adapter->mcc_lock);
4197
4198        wrb = wrb_from_mccq(adapter);
4199        if (!wrb) {
4200                status = -EBUSY;
4201                goto err;
4202        }
4203
4204        req = cmd->va;
4205        memcpy(&req->set_params, configs, sizeof(struct be_fat_conf_params));
4206        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4207                               OPCODE_COMMON_SET_EXT_FAT_CAPABILITIES,
4208                               cmd->size, wrb, cmd);
4209
4210        status = be_mcc_notify_wait(adapter);
4211err:
4212        mutex_unlock(&adapter->mcc_lock);
4213        return status;
4214}
4215
4216int be_cmd_query_port_name(struct be_adapter *adapter)
4217{
4218        struct be_cmd_req_get_port_name *req;
4219        struct be_mcc_wrb *wrb;
4220        int status;
4221
4222        if (mutex_lock_interruptible(&adapter->mbox_lock))
4223                return -1;
4224
4225        wrb = wrb_from_mbox(adapter);
4226        req = embedded_payload(wrb);
4227
4228        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4229                               OPCODE_COMMON_GET_PORT_NAME, sizeof(*req), wrb,
4230                               NULL);
4231        if (!BEx_chip(adapter))
4232                req->hdr.version = 1;
4233
4234        status = be_mbox_notify_wait(adapter);
4235        if (!status) {
4236                struct be_cmd_resp_get_port_name *resp = embedded_payload(wrb);
4237
4238                adapter->port_name = resp->port_name[adapter->hba_port_num];
4239        } else {
4240                adapter->port_name = adapter->hba_port_num + '0';
4241        }
4242
4243        mutex_unlock(&adapter->mbox_lock);
4244        return status;
4245}
4246
4247/* When more than 1 NIC descriptor is present in the descriptor list,
4248 * the caller must specify the pf_num to obtain the NIC descriptor
4249 * corresponding to its pci function.
4250 * get_vft must be true when the caller wants the VF-template desc of the
4251 * PF-pool.
4252 * The pf_num should be set to PF_NUM_IGNORE when the caller knows
4253 * that only it's NIC descriptor is present in the descriptor list.
4254 */
4255static struct be_nic_res_desc *be_get_nic_desc(u8 *buf, u32 desc_count,
4256                                               bool get_vft, u8 pf_num)
4257{
4258        struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
4259        struct be_nic_res_desc *nic;
4260        int i;
4261
4262        for (i = 0; i < desc_count; i++) {
4263                if (hdr->desc_type == NIC_RESOURCE_DESC_TYPE_V0 ||
4264                    hdr->desc_type == NIC_RESOURCE_DESC_TYPE_V1) {
4265                        nic = (struct be_nic_res_desc *)hdr;
4266
4267                        if ((pf_num == PF_NUM_IGNORE ||
4268                             nic->pf_num == pf_num) &&
4269                            (!get_vft || nic->flags & BIT(VFT_SHIFT)))
4270                                return nic;
4271                }
4272                hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
4273                hdr = (void *)hdr + hdr->desc_len;
4274        }
4275        return NULL;
4276}
4277
4278static struct be_nic_res_desc *be_get_vft_desc(u8 *buf, u32 desc_count,
4279                                               u8 pf_num)
4280{
4281        return be_get_nic_desc(buf, desc_count, true, pf_num);
4282}
4283
4284static struct be_nic_res_desc *be_get_func_nic_desc(u8 *buf, u32 desc_count,
4285                                                    u8 pf_num)
4286{
4287        return be_get_nic_desc(buf, desc_count, false, pf_num);
4288}
4289
4290static struct be_pcie_res_desc *be_get_pcie_desc(u8 *buf, u32 desc_count,
4291                                                 u8 pf_num)
4292{
4293        struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
4294        struct be_pcie_res_desc *pcie;
4295        int i;
4296
4297        for (i = 0; i < desc_count; i++) {
4298                if (hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V0 ||
4299                    hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V1) {
4300                        pcie = (struct be_pcie_res_desc *)hdr;
4301                        if (pcie->pf_num == pf_num)
4302                                return pcie;
4303                }
4304
4305                hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
4306                hdr = (void *)hdr + hdr->desc_len;
4307        }
4308        return NULL;
4309}
4310
4311static struct be_port_res_desc *be_get_port_desc(u8 *buf, u32 desc_count)
4312{
4313        struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
4314        int i;
4315
4316        for (i = 0; i < desc_count; i++) {
4317                if (hdr->desc_type == PORT_RESOURCE_DESC_TYPE_V1)
4318                        return (struct be_port_res_desc *)hdr;
4319
4320                hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
4321                hdr = (void *)hdr + hdr->desc_len;
4322        }
4323        return NULL;
4324}
4325
4326static void be_copy_nic_desc(struct be_resources *res,
4327                             struct be_nic_res_desc *desc)
4328{
4329        res->max_uc_mac = le16_to_cpu(desc->unicast_mac_count);
4330        res->max_vlans = le16_to_cpu(desc->vlan_count);
4331        res->max_mcast_mac = le16_to_cpu(desc->mcast_mac_count);
4332        res->max_tx_qs = le16_to_cpu(desc->txq_count);
4333        res->max_rss_qs = le16_to_cpu(desc->rssq_count);
4334        res->max_rx_qs = le16_to_cpu(desc->rq_count);
4335        res->max_evt_qs = le16_to_cpu(desc->eq_count);
4336        res->max_cq_count = le16_to_cpu(desc->cq_count);
4337        res->max_iface_count = le16_to_cpu(desc->iface_count);
4338        res->max_mcc_count = le16_to_cpu(desc->mcc_count);
4339        /* Clear flags that driver is not interested in */
4340        res->if_cap_flags = le32_to_cpu(desc->cap_flags) &
4341                                BE_IF_CAP_FLAGS_WANT;
4342}
4343
4344/* Uses Mbox */
4345int be_cmd_get_func_config(struct be_adapter *adapter, struct be_resources *res)
4346{
4347        struct be_mcc_wrb *wrb;
4348        struct be_cmd_req_get_func_config *req;
4349        int status;
4350        struct be_dma_mem cmd;
4351
4352        if (mutex_lock_interruptible(&adapter->mbox_lock))
4353                return -1;
4354
4355        memset(&cmd, 0, sizeof(struct be_dma_mem));
4356        cmd.size = sizeof(struct be_cmd_resp_get_func_config);
4357        cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
4358                                     GFP_ATOMIC);
4359        if (!cmd.va) {
4360                dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
4361                status = -ENOMEM;
4362                goto err;
4363        }
4364
4365        wrb = wrb_from_mbox(adapter);
4366        if (!wrb) {
4367                status = -EBUSY;
4368                goto err;
4369        }
4370
4371        req = cmd.va;
4372
4373        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4374                               OPCODE_COMMON_GET_FUNC_CONFIG,
4375                               cmd.size, wrb, &cmd);
4376
4377        if (skyhawk_chip(adapter))
4378                req->hdr.version = 1;
4379
4380        status = be_mbox_notify_wait(adapter);
4381        if (!status) {
4382                struct be_cmd_resp_get_func_config *resp = cmd.va;
4383                u32 desc_count = le32_to_cpu(resp->desc_count);
4384                struct be_nic_res_desc *desc;
4385
4386                /* GET_FUNC_CONFIG returns resource descriptors of the
4387                 * current function only. So, pf_num should be set to
4388                 * PF_NUM_IGNORE.
4389                 */
4390                desc = be_get_func_nic_desc(resp->func_param, desc_count,
4391                                            PF_NUM_IGNORE);
4392                if (!desc) {
4393                        status = -EINVAL;
4394                        goto err;
4395                }
4396
4397                /* Store pf_num & vf_num for later use in GET_PROFILE_CONFIG */
4398                adapter->pf_num = desc->pf_num;
4399                adapter->vf_num = desc->vf_num;
4400
4401                if (res)
4402                        be_copy_nic_desc(res, desc);
4403        }
4404err:
4405        mutex_unlock(&adapter->mbox_lock);
4406        if (cmd.va)
4407                dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
4408                                  cmd.dma);
4409        return status;
4410}
4411
4412/* This routine returns a list of all the NIC PF_nums in the adapter */
4413static u16 be_get_nic_pf_num_list(u8 *buf, u32 desc_count, u16 *nic_pf_nums)
4414{
4415        struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
4416        struct be_pcie_res_desc *pcie = NULL;
4417        int i;
4418        u16 nic_pf_count = 0;
4419
4420        for (i = 0; i < desc_count; i++) {
4421                if (hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V0 ||
4422                    hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V1) {
4423                        pcie = (struct be_pcie_res_desc *)hdr;
4424                        if (pcie->pf_state && (pcie->pf_type == MISSION_NIC ||
4425                                               pcie->pf_type == MISSION_RDMA)) {
4426                                nic_pf_nums[nic_pf_count++] = pcie->pf_num;
4427                        }
4428                }
4429
4430                hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
4431                hdr = (void *)hdr + hdr->desc_len;
4432        }
4433        return nic_pf_count;
4434}
4435
4436/* Will use MBOX only if MCCQ has not been created */
4437int be_cmd_get_profile_config(struct be_adapter *adapter,
4438                              struct be_resources *res,
4439                              struct be_port_resources *port_res,
4440                              u8 profile_type, u8 query, u8 domain)
4441{
4442        struct be_cmd_resp_get_profile_config *resp;
4443        struct be_cmd_req_get_profile_config *req;
4444        struct be_nic_res_desc *vf_res;
4445        struct be_pcie_res_desc *pcie;
4446        struct be_port_res_desc *port;
4447        struct be_nic_res_desc *nic;
4448        struct be_mcc_wrb wrb = {0};
4449        struct be_dma_mem cmd;
4450        u16 desc_count;
4451        int status;
4452
4453        memset(&cmd, 0, sizeof(struct be_dma_mem));
4454        cmd.size = sizeof(struct be_cmd_resp_get_profile_config);
4455        cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
4456                                     GFP_ATOMIC);
4457        if (!cmd.va)
4458                return -ENOMEM;
4459
4460        req = cmd.va;
4461        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4462                               OPCODE_COMMON_GET_PROFILE_CONFIG,
4463                               cmd.size, &wrb, &cmd);
4464
4465        if (!lancer_chip(adapter))
4466                req->hdr.version = 1;
4467        req->type = profile_type;
4468        req->hdr.domain = domain;
4469
4470        /* When QUERY_MODIFIABLE_FIELDS_TYPE bit is set, cmd returns the
4471         * descriptors with all bits set to "1" for the fields which can be
4472         * modified using SET_PROFILE_CONFIG cmd.
4473         */
4474        if (query == RESOURCE_MODIFIABLE)
4475                req->type |= QUERY_MODIFIABLE_FIELDS_TYPE;
4476
4477        status = be_cmd_notify_wait(adapter, &wrb);
4478        if (status)
4479                goto err;
4480
4481        resp = cmd.va;
4482        desc_count = le16_to_cpu(resp->desc_count);
4483
4484        if (port_res) {
4485                u16 nic_pf_cnt = 0, i;
4486                u16 nic_pf_num_list[MAX_NIC_FUNCS];
4487
4488                nic_pf_cnt = be_get_nic_pf_num_list(resp->func_param,
4489                                                    desc_count,
4490                                                    nic_pf_num_list);
4491
4492                for (i = 0; i < nic_pf_cnt; i++) {
4493                        nic = be_get_func_nic_desc(resp->func_param, desc_count,
4494                                                   nic_pf_num_list[i]);
4495                        if (nic->link_param == adapter->port_num) {
4496                                port_res->nic_pfs++;
4497                                pcie = be_get_pcie_desc(resp->func_param,
4498                                                        desc_count,
4499                                                        nic_pf_num_list[i]);
4500                                port_res->max_vfs += le16_to_cpu(pcie->num_vfs);
4501                        }
4502                }
4503                return status;
4504        }
4505
4506        pcie = be_get_pcie_desc(resp->func_param, desc_count,
4507                                adapter->pf_num);
4508        if (pcie)
4509                res->max_vfs = le16_to_cpu(pcie->num_vfs);
4510
4511        port = be_get_port_desc(resp->func_param, desc_count);
4512        if (port)
4513                adapter->mc_type = port->mc_type;
4514
4515        nic = be_get_func_nic_desc(resp->func_param, desc_count,
4516                                   adapter->pf_num);
4517        if (nic)
4518                be_copy_nic_desc(res, nic);
4519
4520        vf_res = be_get_vft_desc(resp->func_param, desc_count,
4521                                 adapter->pf_num);
4522        if (vf_res)
4523                res->vf_if_cap_flags = vf_res->cap_flags;
4524err:
4525        if (cmd.va)
4526                dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
4527                                  cmd.dma);
4528        return status;
4529}
4530
4531/* Will use MBOX only if MCCQ has not been created */
4532static int be_cmd_set_profile_config(struct be_adapter *adapter, void *desc,
4533                                     int size, int count, u8 version, u8 domain)
4534{
4535        struct be_cmd_req_set_profile_config *req;
4536        struct be_mcc_wrb wrb = {0};
4537        struct be_dma_mem cmd;
4538        int status;
4539
4540        memset(&cmd, 0, sizeof(struct be_dma_mem));
4541        cmd.size = sizeof(struct be_cmd_req_set_profile_config);
4542        cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
4543                                     GFP_ATOMIC);
4544        if (!cmd.va)
4545                return -ENOMEM;
4546
4547        req = cmd.va;
4548        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4549                               OPCODE_COMMON_SET_PROFILE_CONFIG, cmd.size,
4550                               &wrb, &cmd);
4551        req->hdr.version = version;
4552        req->hdr.domain = domain;
4553        req->desc_count = cpu_to_le32(count);
4554        memcpy(req->desc, desc, size);
4555
4556        status = be_cmd_notify_wait(adapter, &wrb);
4557
4558        if (cmd.va)
4559                dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
4560                                  cmd.dma);
4561        return status;
4562}
4563
4564/* Mark all fields invalid */
4565static void be_reset_nic_desc(struct be_nic_res_desc *nic)
4566{
4567        memset(nic, 0, sizeof(*nic));
4568        nic->unicast_mac_count = 0xFFFF;
4569        nic->mcc_count = 0xFFFF;
4570        nic->vlan_count = 0xFFFF;
4571        nic->mcast_mac_count = 0xFFFF;
4572        nic->txq_count = 0xFFFF;
4573        nic->rq_count = 0xFFFF;
4574        nic->rssq_count = 0xFFFF;
4575        nic->lro_count = 0xFFFF;
4576        nic->cq_count = 0xFFFF;
4577        nic->toe_conn_count = 0xFFFF;
4578        nic->eq_count = 0xFFFF;
4579        nic->iface_count = 0xFFFF;
4580        nic->link_param = 0xFF;
4581        nic->channel_id_param = cpu_to_le16(0xF000);
4582        nic->acpi_params = 0xFF;
4583        nic->wol_param = 0x0F;
4584        nic->tunnel_iface_count = 0xFFFF;
4585        nic->direct_tenant_iface_count = 0xFFFF;
4586        nic->bw_min = 0xFFFFFFFF;
4587        nic->bw_max = 0xFFFFFFFF;
4588}
4589
4590/* Mark all fields invalid */
4591static void be_reset_pcie_desc(struct be_pcie_res_desc *pcie)
4592{
4593        memset(pcie, 0, sizeof(*pcie));
4594        pcie->sriov_state = 0xFF;
4595        pcie->pf_state = 0xFF;
4596        pcie->pf_type = 0xFF;
4597        pcie->num_vfs = 0xFFFF;
4598}
4599
4600int be_cmd_config_qos(struct be_adapter *adapter, u32 max_rate, u16 link_speed,
4601                      u8 domain)
4602{
4603        struct be_nic_res_desc nic_desc;
4604        u32 bw_percent;
4605        u16 version = 0;
4606
4607        if (BE3_chip(adapter))
4608                return be_cmd_set_qos(adapter, max_rate / 10, domain);
4609
4610        be_reset_nic_desc(&nic_desc);
4611        nic_desc.pf_num = adapter->pf_num;
4612        nic_desc.vf_num = domain;
4613        nic_desc.bw_min = 0;
4614        if (lancer_chip(adapter)) {
4615                nic_desc.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V0;
4616                nic_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V0;
4617                nic_desc.flags = (1 << QUN_SHIFT) | (1 << IMM_SHIFT) |
4618                                        (1 << NOSV_SHIFT);
4619                nic_desc.bw_max = cpu_to_le32(max_rate / 10);
4620        } else {
4621                version = 1;
4622                nic_desc.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V1;
4623                nic_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
4624                nic_desc.flags = (1 << IMM_SHIFT) | (1 << NOSV_SHIFT);
4625                bw_percent = max_rate ? (max_rate * 100) / link_speed : 100;
4626                nic_desc.bw_max = cpu_to_le32(bw_percent);
4627        }
4628
4629        return be_cmd_set_profile_config(adapter, &nic_desc,
4630                                         nic_desc.hdr.desc_len,
4631                                         1, version, domain);
4632}
4633
4634int be_cmd_set_sriov_config(struct be_adapter *adapter,
4635                            struct be_resources pool_res, u16 num_vfs,
4636                            struct be_resources *vft_res)
4637{
4638        struct {
4639                struct be_pcie_res_desc pcie;
4640                struct be_nic_res_desc nic_vft;
4641        } __packed desc;
4642
4643        /* PF PCIE descriptor */
4644        be_reset_pcie_desc(&desc.pcie);
4645        desc.pcie.hdr.desc_type = PCIE_RESOURCE_DESC_TYPE_V1;
4646        desc.pcie.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
4647        desc.pcie.flags = BIT(IMM_SHIFT) | BIT(NOSV_SHIFT);
4648        desc.pcie.pf_num = adapter->pdev->devfn;
4649        desc.pcie.sriov_state = num_vfs ? 1 : 0;
4650        desc.pcie.num_vfs = cpu_to_le16(num_vfs);
4651
4652        /* VF NIC Template descriptor */
4653        be_reset_nic_desc(&desc.nic_vft);
4654        desc.nic_vft.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V1;
4655        desc.nic_vft.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
4656        desc.nic_vft.flags = vft_res->flags | BIT(VFT_SHIFT) |
4657                             BIT(IMM_SHIFT) | BIT(NOSV_SHIFT);
4658        desc.nic_vft.pf_num = adapter->pdev->devfn;
4659        desc.nic_vft.vf_num = 0;
4660        desc.nic_vft.cap_flags = cpu_to_le32(vft_res->vf_if_cap_flags);
4661        desc.nic_vft.rq_count = cpu_to_le16(vft_res->max_rx_qs);
4662        desc.nic_vft.txq_count = cpu_to_le16(vft_res->max_tx_qs);
4663        desc.nic_vft.rssq_count = cpu_to_le16(vft_res->max_rss_qs);
4664        desc.nic_vft.cq_count = cpu_to_le16(vft_res->max_cq_count);
4665
4666        if (vft_res->max_uc_mac)
4667                desc.nic_vft.unicast_mac_count =
4668                                        cpu_to_le16(vft_res->max_uc_mac);
4669        if (vft_res->max_vlans)
4670                desc.nic_vft.vlan_count = cpu_to_le16(vft_res->max_vlans);
4671        if (vft_res->max_iface_count)
4672                desc.nic_vft.iface_count =
4673                                cpu_to_le16(vft_res->max_iface_count);
4674        if (vft_res->max_mcc_count)
4675                desc.nic_vft.mcc_count = cpu_to_le16(vft_res->max_mcc_count);
4676
4677        return be_cmd_set_profile_config(adapter, &desc,
4678                                         2 * RESOURCE_DESC_SIZE_V1, 2, 1, 0);
4679}
4680
4681int be_cmd_manage_iface(struct be_adapter *adapter, u32 iface, u8 op)
4682{
4683        struct be_mcc_wrb *wrb;
4684        struct be_cmd_req_manage_iface_filters *req;
4685        int status;
4686
4687        if (iface == 0xFFFFFFFF)
4688                return -1;
4689
4690        mutex_lock(&adapter->mcc_lock);
4691
4692        wrb = wrb_from_mccq(adapter);
4693        if (!wrb) {
4694                status = -EBUSY;
4695                goto err;
4696        }
4697        req = embedded_payload(wrb);
4698
4699        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4700                               OPCODE_COMMON_MANAGE_IFACE_FILTERS, sizeof(*req),
4701                               wrb, NULL);
4702        req->op = op;
4703        req->target_iface_id = cpu_to_le32(iface);
4704
4705        status = be_mcc_notify_wait(adapter);
4706err:
4707        mutex_unlock(&adapter->mcc_lock);
4708        return status;
4709}
4710
4711int be_cmd_set_vxlan_port(struct be_adapter *adapter, __be16 port)
4712{
4713        struct be_port_res_desc port_desc;
4714
4715        memset(&port_desc, 0, sizeof(port_desc));
4716        port_desc.hdr.desc_type = PORT_RESOURCE_DESC_TYPE_V1;
4717        port_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
4718        port_desc.flags = (1 << IMM_SHIFT) | (1 << NOSV_SHIFT);
4719        port_desc.link_num = adapter->hba_port_num;
4720        if (port) {
4721                port_desc.nv_flags = NV_TYPE_VXLAN | (1 << SOCVID_SHIFT) |
4722                                        (1 << RCVID_SHIFT);
4723                port_desc.nv_port = swab16(port);
4724        } else {
4725                port_desc.nv_flags = NV_TYPE_DISABLED;
4726                port_desc.nv_port = 0;
4727        }
4728
4729        return be_cmd_set_profile_config(adapter, &port_desc,
4730                                         RESOURCE_DESC_SIZE_V1, 1, 1, 0);
4731}
4732
4733int be_cmd_get_if_id(struct be_adapter *adapter, struct be_vf_cfg *vf_cfg,
4734                     int vf_num)
4735{
4736        struct be_mcc_wrb *wrb;
4737        struct be_cmd_req_get_iface_list *req;
4738        struct be_cmd_resp_get_iface_list *resp;
4739        int status;
4740
4741        mutex_lock(&adapter->mcc_lock);
4742
4743        wrb = wrb_from_mccq(adapter);
4744        if (!wrb) {
4745                status = -EBUSY;
4746                goto err;
4747        }
4748        req = embedded_payload(wrb);
4749
4750        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4751                               OPCODE_COMMON_GET_IFACE_LIST, sizeof(*resp),
4752                               wrb, NULL);
4753        req->hdr.domain = vf_num + 1;
4754
4755        status = be_mcc_notify_wait(adapter);
4756        if (!status) {
4757                resp = (struct be_cmd_resp_get_iface_list *)req;
4758                vf_cfg->if_handle = le32_to_cpu(resp->if_desc.if_id);
4759        }
4760
4761err:
4762        mutex_unlock(&adapter->mcc_lock);
4763        return status;
4764}
4765
4766static int lancer_wait_idle(struct be_adapter *adapter)
4767{
4768#define SLIPORT_IDLE_TIMEOUT 30
4769        u32 reg_val;
4770        int status = 0, i;
4771
4772        for (i = 0; i < SLIPORT_IDLE_TIMEOUT; i++) {
4773                reg_val = ioread32(adapter->db + PHYSDEV_CONTROL_OFFSET);
4774                if ((reg_val & PHYSDEV_CONTROL_INP_MASK) == 0)
4775                        break;
4776
4777                ssleep(1);
4778        }
4779
4780        if (i == SLIPORT_IDLE_TIMEOUT)
4781                status = -1;
4782
4783        return status;
4784}
4785
4786int lancer_physdev_ctrl(struct be_adapter *adapter, u32 mask)
4787{
4788        int status = 0;
4789
4790        status = lancer_wait_idle(adapter);
4791        if (status)
4792                return status;
4793
4794        iowrite32(mask, adapter->db + PHYSDEV_CONTROL_OFFSET);
4795
4796        return status;
4797}
4798
4799/* Routine to check whether dump image is present or not */
4800bool dump_present(struct be_adapter *adapter)
4801{
4802        u32 sliport_status = 0;
4803
4804        sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);
4805        return !!(sliport_status & SLIPORT_STATUS_DIP_MASK);
4806}
4807
4808int lancer_initiate_dump(struct be_adapter *adapter)
4809{
4810        struct device *dev = &adapter->pdev->dev;
4811        int status;
4812
4813        if (dump_present(adapter)) {
4814                dev_info(dev, "Previous dump not cleared, not forcing dump\n");
4815                return -EEXIST;
4816        }
4817
4818        /* give firmware reset and diagnostic dump */
4819        status = lancer_physdev_ctrl(adapter, PHYSDEV_CONTROL_FW_RESET_MASK |
4820                                     PHYSDEV_CONTROL_DD_MASK);
4821        if (status < 0) {
4822                dev_err(dev, "FW reset failed\n");
4823                return status;
4824        }
4825
4826        status = lancer_wait_idle(adapter);
4827        if (status)
4828                return status;
4829
4830        if (!dump_present(adapter)) {
4831                dev_err(dev, "FW dump not generated\n");
4832                return -EIO;
4833        }
4834
4835        return 0;
4836}
4837
4838int lancer_delete_dump(struct be_adapter *adapter)
4839{
4840        int status;
4841
4842        status = lancer_cmd_delete_object(adapter, LANCER_FW_DUMP_FILE);
4843        return be_cmd_status(status);
4844}
4845
4846/* Uses sync mcc */
4847int be_cmd_enable_vf(struct be_adapter *adapter, u8 domain)
4848{
4849        struct be_mcc_wrb *wrb;
4850        struct be_cmd_enable_disable_vf *req;
4851        int status;
4852
4853        if (BEx_chip(adapter))
4854                return 0;
4855
4856        mutex_lock(&adapter->mcc_lock);
4857
4858        wrb = wrb_from_mccq(adapter);
4859        if (!wrb) {
4860                status = -EBUSY;
4861                goto err;
4862        }
4863
4864        req = embedded_payload(wrb);
4865
4866        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4867                               OPCODE_COMMON_ENABLE_DISABLE_VF, sizeof(*req),
4868                               wrb, NULL);
4869
4870        req->hdr.domain = domain;
4871        req->enable = 1;
4872        status = be_mcc_notify_wait(adapter);
4873err:
4874        mutex_unlock(&adapter->mcc_lock);
4875        return status;
4876}
4877
4878int be_cmd_intr_set(struct be_adapter *adapter, bool intr_enable)
4879{
4880        struct be_mcc_wrb *wrb;
4881        struct be_cmd_req_intr_set *req;
4882        int status;
4883
4884        if (mutex_lock_interruptible(&adapter->mbox_lock))
4885                return -1;
4886
4887        wrb = wrb_from_mbox(adapter);
4888
4889        req = embedded_payload(wrb);
4890
4891        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4892                               OPCODE_COMMON_SET_INTERRUPT_ENABLE, sizeof(*req),
4893                               wrb, NULL);
4894
4895        req->intr_enabled = intr_enable;
4896
4897        status = be_mbox_notify_wait(adapter);
4898
4899        mutex_unlock(&adapter->mbox_lock);
4900        return status;
4901}
4902
4903/* Uses MBOX */
4904int be_cmd_get_active_profile(struct be_adapter *adapter, u16 *profile_id)
4905{
4906        struct be_cmd_req_get_active_profile *req;
4907        struct be_mcc_wrb *wrb;
4908        int status;
4909
4910        if (mutex_lock_interruptible(&adapter->mbox_lock))
4911                return -1;
4912
4913        wrb = wrb_from_mbox(adapter);
4914        if (!wrb) {
4915                status = -EBUSY;
4916                goto err;
4917        }
4918
4919        req = embedded_payload(wrb);
4920
4921        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4922                               OPCODE_COMMON_GET_ACTIVE_PROFILE, sizeof(*req),
4923                               wrb, NULL);
4924
4925        status = be_mbox_notify_wait(adapter);
4926        if (!status) {
4927                struct be_cmd_resp_get_active_profile *resp =
4928                                                        embedded_payload(wrb);
4929
4930                *profile_id = le16_to_cpu(resp->active_profile_id);
4931        }
4932
4933err:
4934        mutex_unlock(&adapter->mbox_lock);
4935        return status;
4936}
4937
4938static int
4939__be_cmd_set_logical_link_config(struct be_adapter *adapter,
4940                                 int link_state, int version, u8 domain)
4941{
4942        struct be_mcc_wrb *wrb;
4943        struct be_cmd_req_set_ll_link *req;
4944        int status;
4945
4946        mutex_lock(&adapter->mcc_lock);
4947
4948        wrb = wrb_from_mccq(adapter);
4949        if (!wrb) {
4950                status = -EBUSY;
4951                goto err;
4952        }
4953
4954        req = embedded_payload(wrb);
4955
4956        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4957                               OPCODE_COMMON_SET_LOGICAL_LINK_CONFIG,
4958                               sizeof(*req), wrb, NULL);
4959
4960        req->hdr.version = version;
4961        req->hdr.domain = domain;
4962
4963        if (link_state == IFLA_VF_LINK_STATE_ENABLE ||
4964            link_state == IFLA_VF_LINK_STATE_AUTO)
4965                req->link_config |= PLINK_ENABLE;
4966
4967        if (link_state == IFLA_VF_LINK_STATE_AUTO)
4968                req->link_config |= PLINK_TRACK;
4969
4970        status = be_mcc_notify_wait(adapter);
4971err:
4972        mutex_unlock(&adapter->mcc_lock);
4973        return status;
4974}
4975
4976int be_cmd_set_logical_link_config(struct be_adapter *adapter,
4977                                   int link_state, u8 domain)
4978{
4979        int status;
4980
4981        if (BE2_chip(adapter))
4982                return -EOPNOTSUPP;
4983
4984        status = __be_cmd_set_logical_link_config(adapter, link_state,
4985                                                  2, domain);
4986
4987        /* Version 2 of the command will not be recognized by older FW.
4988         * On such a failure issue version 1 of the command.
4989         */
4990        if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST)
4991                status = __be_cmd_set_logical_link_config(adapter, link_state,
4992                                                          1, domain);
4993        return status;
4994}
4995
4996int be_cmd_set_features(struct be_adapter *adapter)
4997{
4998        struct be_cmd_resp_set_features *resp;
4999        struct be_cmd_req_set_features *req;
5000        struct be_mcc_wrb *wrb;
5001        int status;
5002
5003        if (mutex_lock_interruptible(&adapter->mcc_lock))
5004                return -1;
5005
5006        wrb = wrb_from_mccq(adapter);
5007        if (!wrb) {
5008                status = -EBUSY;
5009                goto err;
5010        }
5011
5012        req = embedded_payload(wrb);
5013
5014        be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
5015                               OPCODE_COMMON_SET_FEATURES,
5016                               sizeof(*req), wrb, NULL);
5017
5018        req->features = cpu_to_le32(BE_FEATURE_UE_RECOVERY);
5019        req->parameter_len = cpu_to_le32(sizeof(struct be_req_ue_recovery));
5020        req->parameter.req.uer = cpu_to_le32(BE_UE_RECOVERY_UER_MASK);
5021
5022        status = be_mcc_notify_wait(adapter);
5023        if (status)
5024                goto err;
5025
5026        resp = embedded_payload(wrb);
5027
5028        adapter->error_recovery.ue_to_poll_time =
5029                le16_to_cpu(resp->parameter.resp.ue2rp);
5030        adapter->error_recovery.ue_to_reset_time =
5031                le16_to_cpu(resp->parameter.resp.ue2sr);
5032        adapter->error_recovery.recovery_supported = true;
5033err:
5034        /* Checking "MCC_STATUS_INVALID_LENGTH" for SKH as FW
5035         * returns this error in older firmware versions
5036         */
5037        if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST ||
5038            base_status(status) == MCC_STATUS_INVALID_LENGTH)
5039                dev_info(&adapter->pdev->dev,
5040                         "Adapter does not support HW error recovery\n");
5041
5042        mutex_unlock(&adapter->mcc_lock);
5043        return status;
5044}
5045
5046int be_roce_mcc_cmd(void *netdev_handle, void *wrb_payload,
5047                    int wrb_payload_size, u16 *cmd_status, u16 *ext_status)
5048{
5049        struct be_adapter *adapter = netdev_priv(netdev_handle);
5050        struct be_mcc_wrb *wrb;
5051        struct be_cmd_req_hdr *hdr = (struct be_cmd_req_hdr *)wrb_payload;
5052        struct be_cmd_req_hdr *req;
5053        struct be_cmd_resp_hdr *resp;
5054        int status;
5055
5056        mutex_lock(&adapter->mcc_lock);
5057
5058        wrb = wrb_from_mccq(adapter);
5059        if (!wrb) {
5060                status = -EBUSY;
5061                goto err;
5062        }
5063        req = embedded_payload(wrb);
5064        resp = embedded_payload(wrb);
5065
5066        be_wrb_cmd_hdr_prepare(req, hdr->subsystem,
5067                               hdr->opcode, wrb_payload_size, wrb, NULL);
5068        memcpy(req, wrb_payload, wrb_payload_size);
5069        be_dws_cpu_to_le(req, wrb_payload_size);
5070
5071        status = be_mcc_notify_wait(adapter);
5072        if (cmd_status)
5073                *cmd_status = (status & 0xffff);
5074        if (ext_status)
5075                *ext_status = 0;
5076        memcpy(wrb_payload, resp, sizeof(*resp) + resp->response_length);
5077        be_dws_le_to_cpu(wrb_payload, sizeof(*resp) + resp->response_length);
5078err:
5079        mutex_unlock(&adapter->mcc_lock);
5080        return status;
5081}
5082EXPORT_SYMBOL(be_roce_mcc_cmd);
5083